This option does not affect the kernel build, it only
lets you choose drivers.
-config WAVELAN
- tristate "AT&T/Lucent old WaveLAN & DEC RoamAbout DS ISA support"
- depends on ISA && WLAN_PRE80211
- select WIRELESS_EXT
- select WEXT_SPY
- select WEXT_PRIV
- ---help---
- The Lucent WaveLAN (formerly NCR and AT&T; or DEC RoamAbout DS) is
- a Radio LAN (wireless Ethernet-like Local Area Network) using the
- radio frequencies 900 MHz and 2.4 GHz.
-
- If you want to use an ISA WaveLAN card under Linux, say Y and read
- the Ethernet-HOWTO, available from
- <http://www.tldp.org/docs.html#howto>. Some more specific
- information is contained in
- <file:Documentation/networking/wavelan.txt> and in the source code
- <file:drivers/net/wireless/wavelan.p.h>.
-
- You will also need the wireless tools package available from
- <http://www.hpl.hp.com/personal/Jean_Tourrilhes/Linux/Tools.html>.
- Please read the man pages contained therein.
-
- To compile this driver as a module, choose M here: the module will be
- called wavelan.
-
-config PCMCIA_WAVELAN
- tristate "AT&T/Lucent old WaveLAN Pcmcia wireless support"
- depends on PCMCIA && WLAN_PRE80211
- select WIRELESS_EXT
- select WEXT_SPY
- select WEXT_PRIV
- help
- Say Y here if you intend to attach an AT&T/Lucent Wavelan PCMCIA
- (PC-card) wireless Ethernet networking card to your computer. This
- driver is for the non-IEEE-802.11 Wavelan cards.
-
- To compile this driver as a module, choose M here: the module will be
- called wavelan_cs. If unsure, say N.
-
config PCMCIA_NETWAVE
tristate "Xircom Netwave AirSurfer Pcmcia wireless support"
depends on PCMCIA && WLAN_PRE80211
obj-$(CONFIG_IPW2200) += ipw2x00/
# Obsolete cards
-obj-$(CONFIG_WAVELAN) += wavelan.o
obj-$(CONFIG_PCMCIA_NETWAVE) += netwave_cs.o
-obj-$(CONFIG_PCMCIA_WAVELAN) += wavelan_cs.o
obj-$(CONFIG_HERMES) += orinoco/
+++ /dev/null
-/*
- * Intel 82586 IEEE 802.3 Ethernet LAN Coprocessor.
- *
- * See:
- * Intel Microcommunications 1991
- * p1-1 to p1-37
- * Intel order No. 231658
- * ISBN 1-55512-119-5
- *
- * Unfortunately, the above chapter mentions neither
- * the System Configuration Pointer (SCP) nor the
- * Intermediate System Configuration Pointer (ISCP),
- * so we probably need to look elsewhere for the
- * whole story -- some recommend the "Intel LAN
- * Components manual" but I have neither a copy
- * nor a full reference. But "elsewhere" may be
- * in the same publication...
- * The description of a later device, the
- * "82596CA High-Performance 32-Bit Local Area Network
- * Coprocessor", (ibid. p1-38 to p1-109) does mention
- * the SCP and ISCP and also has an i82586 compatibility
- * mode. Even more useful is "AP-235 An 82586 Data Link
- * Driver" (ibid. p1-337 to p1-417).
- */
-
-#define I82586_MEMZ (64 * 1024)
-
-#define I82586_SCP_ADDR (I82586_MEMZ - sizeof(scp_t))
-
-#define ADDR_LEN 6
-#define I82586NULL 0xFFFF
-
-#define toff(t,p,f) (unsigned short)((void *)(&((t *)((void *)0 + (p)))->f) - (void *)0)
-
-/*
- * System Configuration Pointer (SCP).
- */
-typedef struct scp_t scp_t;
-struct scp_t
-{
- unsigned short scp_sysbus; /* 82586 bus width: */
-#define SCP_SY_16BBUS (0x0 << 0) /* 16 bits */
-#define SCP_SY_8BBUS (0x1 << 0) /* 8 bits. */
- unsigned short scp_junk[2]; /* Unused */
- unsigned short scp_iscpl; /* lower 16 bits of ISCP_ADDR */
- unsigned short scp_iscph; /* upper 16 bits of ISCP_ADDR */
-};
-
-/*
- * Intermediate System Configuration Pointer (ISCP).
- */
-typedef struct iscp_t iscp_t;
-struct iscp_t
-{
- unsigned short iscp_busy; /* set by CPU before first CA, */
- /* cleared by 82586 after read. */
- unsigned short iscp_offset; /* offset of SCB */
- unsigned short iscp_basel; /* base of SCB */
- unsigned short iscp_baseh; /* " */
-};
-
-/*
- * System Control Block (SCB).
- * The 82586 writes its status to scb_status and then
- * raises an interrupt to alert the CPU.
- * The CPU writes a command to scb_command and
- * then issues a Channel Attention (CA) to alert the 82586.
- */
-typedef struct scb_t scb_t;
-struct scb_t
-{
- unsigned short scb_status; /* Status of 82586 */
-#define SCB_ST_INT (0xF << 12) /* Some of: */
-#define SCB_ST_CX (0x1 << 15) /* Cmd completed */
-#define SCB_ST_FR (0x1 << 14) /* Frame received */
-#define SCB_ST_CNA (0x1 << 13) /* Cmd unit not active */
-#define SCB_ST_RNR (0x1 << 12) /* Rcv unit not ready */
-#define SCB_ST_JUNK0 (0x1 << 11) /* 0 */
-#define SCB_ST_CUS (0x7 << 8) /* Cmd unit status */
-#define SCB_ST_CUS_IDLE (0 << 8) /* Idle */
-#define SCB_ST_CUS_SUSP (1 << 8) /* Suspended */
-#define SCB_ST_CUS_ACTV (2 << 8) /* Active */
-#define SCB_ST_JUNK1 (0x1 << 7) /* 0 */
-#define SCB_ST_RUS (0x7 << 4) /* Rcv unit status */
-#define SCB_ST_RUS_IDLE (0 << 4) /* Idle */
-#define SCB_ST_RUS_SUSP (1 << 4) /* Suspended */
-#define SCB_ST_RUS_NRES (2 << 4) /* No resources */
-#define SCB_ST_RUS_RDY (4 << 4) /* Ready */
- unsigned short scb_command; /* Next command */
-#define SCB_CMD_ACK_CX (0x1 << 15) /* Ack cmd completion */
-#define SCB_CMD_ACK_FR (0x1 << 14) /* Ack frame received */
-#define SCB_CMD_ACK_CNA (0x1 << 13) /* Ack CU not active */
-#define SCB_CMD_ACK_RNR (0x1 << 12) /* Ack RU not ready */
-#define SCB_CMD_JUNKX (0x1 << 11) /* Unused */
-#define SCB_CMD_CUC (0x7 << 8) /* Command Unit command */
-#define SCB_CMD_CUC_NOP (0 << 8) /* Nop */
-#define SCB_CMD_CUC_GO (1 << 8) /* Start cbl_offset */
-#define SCB_CMD_CUC_RES (2 << 8) /* Resume execution */
-#define SCB_CMD_CUC_SUS (3 << 8) /* Suspend " */
-#define SCB_CMD_CUC_ABT (4 << 8) /* Abort " */
-#define SCB_CMD_RESET (0x1 << 7) /* Reset chip (hardware) */
-#define SCB_CMD_RUC (0x7 << 4) /* Receive Unit command */
-#define SCB_CMD_RUC_NOP (0 << 4) /* Nop */
-#define SCB_CMD_RUC_GO (1 << 4) /* Start rfa_offset */
-#define SCB_CMD_RUC_RES (2 << 4) /* Resume reception */
-#define SCB_CMD_RUC_SUS (3 << 4) /* Suspend " */
-#define SCB_CMD_RUC_ABT (4 << 4) /* Abort " */
- unsigned short scb_cbl_offset; /* Offset of first command unit */
- /* Action Command */
- unsigned short scb_rfa_offset; /* Offset of first Receive */
- /* Frame Descriptor in the */
- /* Receive Frame Area */
- unsigned short scb_crcerrs; /* Properly aligned frames */
- /* received with a CRC error */
- unsigned short scb_alnerrs; /* Misaligned frames received */
- /* with a CRC error */
- unsigned short scb_rscerrs; /* Frames lost due to no space */
- unsigned short scb_ovrnerrs; /* Frames lost due to slow bus */
-};
-
-#define scboff(p,f) toff(scb_t, p, f)
-
-/*
- * The eight Action Commands.
- */
-typedef enum acmd_e acmd_e;
-enum acmd_e
-{
- acmd_nop = 0, /* Do nothing */
- acmd_ia_setup = 1, /* Load an (ethernet) address into the */
- /* 82586 */
- acmd_configure = 2, /* Update the 82586 operating parameters */
- acmd_mc_setup = 3, /* Load a list of (ethernet) multicast */
- /* addresses into the 82586 */
- acmd_transmit = 4, /* Transmit a frame */
- acmd_tdr = 5, /* Perform a Time Domain Reflectometer */
- /* test on the serial link */
- acmd_dump = 6, /* Copy 82586 registers to memory */
- acmd_diagnose = 7, /* Run an internal self test */
-};
-
-/*
- * Generic Action Command header.
- */
-typedef struct ach_t ach_t;
-struct ach_t
-{
- unsigned short ac_status; /* Command status: */
-#define AC_SFLD_C (0x1 << 15) /* Command completed */
-#define AC_SFLD_B (0x1 << 14) /* Busy executing */
-#define AC_SFLD_OK (0x1 << 13) /* Completed error free */
-#define AC_SFLD_A (0x1 << 12) /* Command aborted */
-#define AC_SFLD_FAIL (0x1 << 11) /* Selftest failed */
-#define AC_SFLD_S10 (0x1 << 10) /* No carrier sense */
- /* during transmission */
-#define AC_SFLD_S9 (0x1 << 9) /* Tx unsuccessful: */
- /* (stopped) lost CTS */
-#define AC_SFLD_S8 (0x1 << 8) /* Tx unsuccessful: */
- /* (stopped) slow DMA */
-#define AC_SFLD_S7 (0x1 << 7) /* Tx deferred: */
- /* other link traffic */
-#define AC_SFLD_S6 (0x1 << 6) /* Heart Beat: collision */
- /* detect after last tx */
-#define AC_SFLD_S5 (0x1 << 5) /* Tx stopped: */
- /* excessive collisions */
-#define AC_SFLD_MAXCOL (0xF << 0) /* Collision count */
- unsigned short ac_command; /* Command specifier: */
-#define AC_CFLD_EL (0x1 << 15) /* End of command list */
-#define AC_CFLD_S (0x1 << 14) /* Suspend on completion */
-#define AC_CFLD_I (0x1 << 13) /* Interrupt on completion */
-#define AC_CFLD_CMD (0x7 << 0) /* acmd_e */
- unsigned short ac_link; /* Next Action Command */
-};
-
-#define acoff(p,f) toff(ach_t, p, f)
-
-/*
- * The Nop Action Command.
- */
-typedef struct ac_nop_t ac_nop_t;
-struct ac_nop_t
-{
- ach_t nop_h;
-};
-
-/*
- * The IA-Setup Action Command.
- */
-typedef struct ac_ias_t ac_ias_t;
-struct ac_ias_t
-{
- ach_t ias_h;
- unsigned char ias_addr[ADDR_LEN]; /* The (ethernet) address */
-};
-
-/*
- * The Configure Action Command.
- */
-typedef struct ac_cfg_t ac_cfg_t;
-struct ac_cfg_t
-{
- ach_t cfg_h;
- unsigned char cfg_byte_cnt; /* Size foll data: 4-12 */
-#define AC_CFG_BYTE_CNT(v) (((v) & 0xF) << 0)
- unsigned char cfg_fifolim; /* FIFO threshold */
-#define AC_CFG_FIFOLIM(v) (((v) & 0xF) << 0)
- unsigned char cfg_byte8;
-#define AC_CFG_SAV_BF(v) (((v) & 0x1) << 7) /* Save rxd bad frames */
-#define AC_CFG_SRDY(v) (((v) & 0x1) << 6) /* SRDY/ARDY pin means */
- /* external sync. */
- unsigned char cfg_byte9;
-#define AC_CFG_ELPBCK(v) (((v) & 0x1) << 7) /* External loopback */
-#define AC_CFG_ILPBCK(v) (((v) & 0x1) << 6) /* Internal loopback */
-#define AC_CFG_PRELEN(v) (((v) & 0x3) << 4) /* Preamble length */
-#define AC_CFG_PLEN_2 0 /* 2 bytes */
-#define AC_CFG_PLEN_4 1 /* 4 bytes */
-#define AC_CFG_PLEN_8 2 /* 8 bytes */
-#define AC_CFG_PLEN_16 3 /* 16 bytes */
-#define AC_CFG_ALOC(v) (((v) & 0x1) << 3) /* Addr/len data is */
- /* explicit in buffers */
-#define AC_CFG_ADDRLEN(v) (((v) & 0x7) << 0) /* Bytes per address */
- unsigned char cfg_byte10;
-#define AC_CFG_BOFMET(v) (((v) & 0x1) << 7) /* Use alternate expo. */
- /* backoff method */
-#define AC_CFG_ACR(v) (((v) & 0x7) << 4) /* Accelerated cont. res. */
-#define AC_CFG_LINPRIO(v) (((v) & 0x7) << 0) /* Linear priority */
- unsigned char cfg_ifs; /* Interframe spacing */
- unsigned char cfg_slotl; /* Slot time (low byte) */
- unsigned char cfg_byte13;
-#define AC_CFG_RETRYNUM(v) (((v) & 0xF) << 4) /* Max. collision retry */
-#define AC_CFG_SLTTMHI(v) (((v) & 0x7) << 0) /* Slot time (high bits) */
- unsigned char cfg_byte14;
-#define AC_CFG_FLGPAD(v) (((v) & 0x1) << 7) /* Pad with HDLC flags */
-#define AC_CFG_BTSTF(v) (((v) & 0x1) << 6) /* Do HDLC bitstuffing */
-#define AC_CFG_CRC16(v) (((v) & 0x1) << 5) /* 16 bit CCITT CRC */
-#define AC_CFG_NCRC(v) (((v) & 0x1) << 4) /* Insert no CRC */
-#define AC_CFG_TNCRS(v) (((v) & 0x1) << 3) /* Tx even if no carrier */
-#define AC_CFG_MANCH(v) (((v) & 0x1) << 2) /* Manchester coding */
-#define AC_CFG_BCDIS(v) (((v) & 0x1) << 1) /* Disable broadcast */
-#define AC_CFG_PRM(v) (((v) & 0x1) << 0) /* Promiscuous mode */
- unsigned char cfg_byte15;
-#define AC_CFG_ICDS(v) (((v) & 0x1) << 7) /* Internal collision */
- /* detect source */
-#define AC_CFG_CDTF(v) (((v) & 0x7) << 4) /* Collision detect */
- /* filter in bit times */
-#define AC_CFG_ICSS(v) (((v) & 0x1) << 3) /* Internal carrier */
- /* sense source */
-#define AC_CFG_CSTF(v) (((v) & 0x7) << 0) /* Carrier sense */
- /* filter in bit times */
- unsigned short cfg_min_frm_len;
-#define AC_CFG_MNFRM(v) (((v) & 0xFF) << 0) /* Min. bytes/frame (<= 255) */
-};
-
-/*
- * The MC-Setup Action Command.
- */
-typedef struct ac_mcs_t ac_mcs_t;
-struct ac_mcs_t
-{
- ach_t mcs_h;
- unsigned short mcs_cnt; /* No. of bytes of MC addresses */
-#if 0
- unsigned char mcs_data[ADDR_LEN]; /* The first MC address .. */
- ...
-#endif
-};
-
-#define I82586_MAX_MULTICAST_ADDRESSES 128 /* Hardware hashed filter */
-
-/*
- * The Transmit Action Command.
- */
-typedef struct ac_tx_t ac_tx_t;
-struct ac_tx_t
-{
- ach_t tx_h;
- unsigned short tx_tbd_offset; /* Address of list of buffers. */
-#if 0
-Linux packets are passed down with the destination MAC address
-and length/type field already prepended to the data,
-so we do not need to insert it. Consistent with this
-we must also set the AC_CFG_ALOC(..) flag during the
-ac_cfg_t action command.
- unsigned char tx_addr[ADDR_LEN]; /* The frame dest. address */
- unsigned short tx_length; /* The frame length */
-#endif /* 0 */
-};
-
-/*
- * The Time Domain Reflectometer Action Command.
- */
-typedef struct ac_tdr_t ac_tdr_t;
-struct ac_tdr_t
-{
- ach_t tdr_h;
- unsigned short tdr_result; /* Result. */
-#define AC_TDR_LNK_OK (0x1 << 15) /* No link problem */
-#define AC_TDR_XCVR_PRB (0x1 << 14) /* Txcvr cable problem */
-#define AC_TDR_ET_OPN (0x1 << 13) /* Open on the link */
-#define AC_TDR_ET_SRT (0x1 << 12) /* Short on the link */
-#define AC_TDR_TIME (0x7FF << 0) /* Distance to problem */
- /* site in transmit */
- /* clock cycles */
-};
-
-/*
- * The Dump Action Command.
- */
-typedef struct ac_dmp_t ac_dmp_t;
-struct ac_dmp_t
-{
- ach_t dmp_h;
- unsigned short dmp_offset; /* Result. */
-};
-
-/*
- * Size of the result of the dump command.
- */
-#define DUMPBYTES 170
-
-/*
- * The Diagnose Action Command.
- */
-typedef struct ac_dgn_t ac_dgn_t;
-struct ac_dgn_t
-{
- ach_t dgn_h;
-};
-
-/*
- * Transmit Buffer Descriptor (TBD).
- */
-typedef struct tbd_t tbd_t;
-struct tbd_t
-{
- unsigned short tbd_status; /* Written by the CPU */
-#define TBD_STATUS_EOF (0x1 << 15) /* This TBD is the */
- /* last for this frame */
-#define TBD_STATUS_ACNT (0x3FFF << 0) /* Actual count of data */
- /* bytes in this buffer */
- unsigned short tbd_next_bd_offset; /* Next in list */
- unsigned short tbd_bufl; /* Buffer address (low) */
- unsigned short tbd_bufh; /* " " (high) */
-};
-
-/*
- * Receive Buffer Descriptor (RBD).
- */
-typedef struct rbd_t rbd_t;
-struct rbd_t
-{
- unsigned short rbd_status; /* Written by the 82586 */
-#define RBD_STATUS_EOF (0x1 << 15) /* This RBD is the */
- /* last for this frame */
-#define RBD_STATUS_F (0x1 << 14) /* ACNT field is valid */
-#define RBD_STATUS_ACNT (0x3FFF << 0) /* Actual no. of data */
- /* bytes in this buffer */
- unsigned short rbd_next_rbd_offset; /* Next rbd in list */
- unsigned short rbd_bufl; /* Data pointer (low) */
- unsigned short rbd_bufh; /* " " (high) */
- unsigned short rbd_el_size; /* EL+Data buf. size */
-#define RBD_EL (0x1 << 15) /* This BD is the */
- /* last in the list */
-#define RBD_SIZE (0x3FFF << 0) /* No. of bytes the */
- /* buffer can hold */
-};
-
-#define rbdoff(p,f) toff(rbd_t, p, f)
-
-/*
- * Frame Descriptor (FD).
- */
-typedef struct fd_t fd_t;
-struct fd_t
-{
- unsigned short fd_status; /* Written by the 82586 */
-#define FD_STATUS_C (0x1 << 15) /* Completed storing frame */
-#define FD_STATUS_B (0x1 << 14) /* FD was consumed by RU */
-#define FD_STATUS_OK (0x1 << 13) /* Frame rxd successfully */
-#define FD_STATUS_S11 (0x1 << 11) /* CRC error */
-#define FD_STATUS_S10 (0x1 << 10) /* Alignment error */
-#define FD_STATUS_S9 (0x1 << 9) /* Ran out of resources */
-#define FD_STATUS_S8 (0x1 << 8) /* Rx DMA overrun */
-#define FD_STATUS_S7 (0x1 << 7) /* Frame too short */
-#define FD_STATUS_S6 (0x1 << 6) /* No EOF flag */
- unsigned short fd_command; /* Command */
-#define FD_COMMAND_EL (0x1 << 15) /* Last FD in list */
-#define FD_COMMAND_S (0x1 << 14) /* Suspend RU after rx */
- unsigned short fd_link_offset; /* Next FD */
- unsigned short fd_rbd_offset; /* First RBD (data) */
- /* Prepared by CPU, */
- /* updated by 82586 */
-#if 0
-I think the rest is unused since we
-have set AC_CFG_ALOC(..). However, just
-in case, we leave the space.
-#endif /* 0 */
- unsigned char fd_dest[ADDR_LEN]; /* Destination address */
- /* Written by 82586 */
- unsigned char fd_src[ADDR_LEN]; /* Source address */
- /* Written by 82586 */
- unsigned short fd_length; /* Frame length or type */
- /* Written by 82586 */
-};
-
-#define fdoff(p,f) toff(fd_t, p, f)
-
-/*
- * This software may only be used and distributed
- * according to the terms of the GNU General Public License.
- *
- * For more details, see wavelan.c.
- */
+++ /dev/null
-/*
- * Definitions for Intel 82593 CSMA/CD Core LAN Controller
- * The definitions are taken from the 1992 users manual with Intel
- * order number 297125-001.
- *
- * /usr/src/pc/RCS/i82593.h,v 1.1 1996/07/17 15:23:12 root Exp
- *
- * Copyright 1994, Anders Klemets <klemets@it.kth.se>
- *
- * HISTORY
- * i82593.h,v
- * Revision 1.4 2005/11/4 09:15:00 baroniunas
- * Modified copyright with permission of author as follows:
- *
- * "If I82539.H is the only file with my copyright statement
- * that is included in the Source Forge project, then you have
- * my approval to change the copyright statement to be a GPL
- * license, in the way you proposed on October 10."
- *
- * Revision 1.1 1996/07/17 15:23:12 root
- * Initial revision
- *
- * Revision 1.3 1995/04/05 15:13:58 adj
- * Initial alpha release
- *
- * Revision 1.2 1994/06/16 23:57:31 klemets
- * Mirrored all the fields in the configuration block.
- *
- * Revision 1.1 1994/06/02 20:25:34 klemets
- * Initial revision
- *
- *
- */
-#ifndef _I82593_H
-#define _I82593_H
-
-/* Intel 82593 CSMA/CD Core LAN Controller */
-
-/* Port 0 Command Register definitions */
-
-/* Execution operations */
-#define OP0_NOP 0 /* CHNL = 0 */
-#define OP0_SWIT_TO_PORT_1 0 /* CHNL = 1 */
-#define OP0_IA_SETUP 1
-#define OP0_CONFIGURE 2
-#define OP0_MC_SETUP 3
-#define OP0_TRANSMIT 4
-#define OP0_TDR 5
-#define OP0_DUMP 6
-#define OP0_DIAGNOSE 7
-#define OP0_TRANSMIT_NO_CRC 9
-#define OP0_RETRANSMIT 12
-#define OP0_ABORT 13
-/* Reception operations */
-#define OP0_RCV_ENABLE 8
-#define OP0_RCV_DISABLE 10
-#define OP0_STOP_RCV 11
-/* Status pointer control operations */
-#define OP0_FIX_PTR 15 /* CHNL = 1 */
-#define OP0_RLS_PTR 15 /* CHNL = 0 */
-#define OP0_RESET 14
-
-#define CR0_CHNL (1 << 4) /* 0=Channel 0, 1=Channel 1 */
-#define CR0_STATUS_0 0x00
-#define CR0_STATUS_1 0x20
-#define CR0_STATUS_2 0x40
-#define CR0_STATUS_3 0x60
-#define CR0_INT_ACK (1 << 7) /* 0=No ack, 1=acknowledge */
-
-/* Port 0 Status Register definitions */
-
-#define SR0_NO_RESULT 0 /* dummy */
-#define SR0_EVENT_MASK 0x0f
-#define SR0_IA_SETUP_DONE 1
-#define SR0_CONFIGURE_DONE 2
-#define SR0_MC_SETUP_DONE 3
-#define SR0_TRANSMIT_DONE 4
-#define SR0_TDR_DONE 5
-#define SR0_DUMP_DONE 6
-#define SR0_DIAGNOSE_PASSED 7
-#define SR0_TRANSMIT_NO_CRC_DONE 9
-#define SR0_RETRANSMIT_DONE 12
-#define SR0_EXECUTION_ABORTED 13
-#define SR0_END_OF_FRAME 8
-#define SR0_RECEPTION_ABORTED 10
-#define SR0_DIAGNOSE_FAILED 15
-#define SR0_STOP_REG_HIT 11
-
-#define SR0_CHNL (1 << 4)
-#define SR0_EXECUTION (1 << 5)
-#define SR0_RECEPTION (1 << 6)
-#define SR0_INTERRUPT (1 << 7)
-#define SR0_BOTH_RX_TX (SR0_EXECUTION | SR0_RECEPTION)
-
-#define SR3_EXEC_STATE_MASK 0x03
-#define SR3_EXEC_IDLE 0
-#define SR3_TX_ABORT_IN_PROGRESS 1
-#define SR3_EXEC_ACTIVE 2
-#define SR3_ABORT_IN_PROGRESS 3
-#define SR3_EXEC_CHNL (1 << 2)
-#define SR3_STP_ON_NO_RSRC (1 << 3)
-#define SR3_RCVING_NO_RSRC (1 << 4)
-#define SR3_RCV_STATE_MASK 0x60
-#define SR3_RCV_IDLE 0x00
-#define SR3_RCV_READY 0x20
-#define SR3_RCV_ACTIVE 0x40
-#define SR3_RCV_STOP_IN_PROG 0x60
-#define SR3_RCV_CHNL (1 << 7)
-
-/* Port 1 Command Register definitions */
-
-#define OP1_NOP 0
-#define OP1_SWIT_TO_PORT_0 1
-#define OP1_INT_DISABLE 2
-#define OP1_INT_ENABLE 3
-#define OP1_SET_TS 5
-#define OP1_RST_TS 7
-#define OP1_POWER_DOWN 8
-#define OP1_RESET_RING_MNGMT 11
-#define OP1_RESET 14
-#define OP1_SEL_RST 15
-
-#define CR1_STATUS_4 0x00
-#define CR1_STATUS_5 0x20
-#define CR1_STATUS_6 0x40
-#define CR1_STOP_REG_UPDATE (1 << 7)
-
-/* Receive frame status bits */
-
-#define RX_RCLD (1 << 0)
-#define RX_IA_MATCH (1 << 1)
-#define RX_NO_AD_MATCH (1 << 2)
-#define RX_NO_SFD (1 << 3)
-#define RX_SRT_FRM (1 << 7)
-#define RX_OVRRUN (1 << 8)
-#define RX_ALG_ERR (1 << 10)
-#define RX_CRC_ERR (1 << 11)
-#define RX_LEN_ERR (1 << 12)
-#define RX_RCV_OK (1 << 13)
-#define RX_TYP_LEN (1 << 15)
-
-/* Transmit status bits */
-
-#define TX_NCOL_MASK 0x0f
-#define TX_FRTL (1 << 4)
-#define TX_MAX_COL (1 << 5)
-#define TX_HRT_BEAT (1 << 6)
-#define TX_DEFER (1 << 7)
-#define TX_UND_RUN (1 << 8)
-#define TX_LOST_CTS (1 << 9)
-#define TX_LOST_CRS (1 << 10)
-#define TX_LTCOL (1 << 11)
-#define TX_OK (1 << 13)
-#define TX_COLL (1 << 15)
-
-struct i82593_conf_block {
- u_char fifo_limit : 4,
- forgnesi : 1,
- fifo_32 : 1,
- d6mod : 1,
- throttle_enb : 1;
- u_char throttle : 6,
- cntrxint : 1,
- contin : 1;
- u_char addr_len : 3,
- acloc : 1,
- preamb_len : 2,
- loopback : 2;
- u_char lin_prio : 3,
- tbofstop : 1,
- exp_prio : 3,
- bof_met : 1;
- u_char : 4,
- ifrm_spc : 4;
- u_char : 5,
- slottim_low : 3;
- u_char slottim_hi : 3,
- : 1,
- max_retr : 4;
- u_char prmisc : 1,
- bc_dis : 1,
- : 1,
- crs_1 : 1,
- nocrc_ins : 1,
- crc_1632 : 1,
- : 1,
- crs_cdt : 1;
- u_char cs_filter : 3,
- crs_src : 1,
- cd_filter : 3,
- : 1;
- u_char : 2,
- min_fr_len : 6;
- u_char lng_typ : 1,
- lng_fld : 1,
- rxcrc_xf : 1,
- artx : 1,
- sarec : 1,
- tx_jabber : 1, /* why is this called max_len in the manual? */
- hash_1 : 1,
- lbpkpol : 1;
- u_char : 6,
- fdx : 1,
- : 1;
- u_char dummy_6 : 6, /* supposed to be ones */
- mult_ia : 1,
- dis_bof : 1;
- u_char dummy_1 : 1, /* supposed to be one */
- tx_ifs_retrig : 2,
- mc_all : 1,
- rcv_mon : 2,
- frag_acpt : 1,
- tstrttrs : 1;
- u_char fretx : 1,
- runt_eop : 1,
- hw_sw_pin : 1,
- big_endn : 1,
- syncrqs : 1,
- sttlen : 1,
- tx_eop : 1,
- rx_eop : 1;
- u_char rbuf_size : 5,
- rcvstop : 1,
- : 2;
-};
-
-#define I82593_MAX_MULTICAST_ADDRESSES 128 /* Hardware hashed filter */
-
-#endif /* _I82593_H */
+++ /dev/null
-/*
- * WaveLAN ISA driver
- *
- * Jean II - HPLB '96
- *
- * Reorganisation and extension of the driver.
- * Original copyright follows (also see the end of this file).
- * See wavelan.p.h for details.
- *
- *
- *
- * AT&T GIS (nee NCR) WaveLAN card:
- * An Ethernet-like radio transceiver
- * controlled by an Intel 82586 coprocessor.
- */
-
-#include "wavelan.p.h" /* Private header */
-
-/************************* MISC SUBROUTINES **************************/
-/*
- * Subroutines which won't fit in one of the following category
- * (WaveLAN modem or i82586)
- */
-
-/*------------------------------------------------------------------*/
-/*
- * Translate irq number to PSA irq parameter
- */
-static u8 wv_irq_to_psa(int irq)
-{
- if (irq < 0 || irq >= ARRAY_SIZE(irqvals))
- return 0;
-
- return irqvals[irq];
-}
-
-/*------------------------------------------------------------------*/
-/*
- * Translate PSA irq parameter to irq number
- */
-static int __init wv_psa_to_irq(u8 irqval)
-{
- int i;
-
- for (i = 0; i < ARRAY_SIZE(irqvals); i++)
- if (irqvals[i] == irqval)
- return i;
-
- return -1;
-}
-
-/********************* HOST ADAPTER SUBROUTINES *********************/
-/*
- * Useful subroutines to manage the WaveLAN ISA interface
- *
- * One major difference with the PCMCIA hardware (except the port mapping)
- * is that we have to keep the state of the Host Control Register
- * because of the interrupt enable & bus size flags.
- */
-
-/*------------------------------------------------------------------*/
-/*
- * Read from card's Host Adaptor Status Register.
- */
-static inline u16 hasr_read(unsigned long ioaddr)
-{
- return (inw(HASR(ioaddr)));
-} /* hasr_read */
-
-/*------------------------------------------------------------------*/
-/*
- * Write to card's Host Adapter Command Register.
- */
-static inline void hacr_write(unsigned long ioaddr, u16 hacr)
-{
- outw(hacr, HACR(ioaddr));
-} /* hacr_write */
-
-/*------------------------------------------------------------------*/
-/*
- * Write to card's Host Adapter Command Register. Include a delay for
- * those times when it is needed.
- */
-static void hacr_write_slow(unsigned long ioaddr, u16 hacr)
-{
- hacr_write(ioaddr, hacr);
- /* delay might only be needed sometimes */
- mdelay(1);
-} /* hacr_write_slow */
-
-/*------------------------------------------------------------------*/
-/*
- * Set the channel attention bit.
- */
-static inline void set_chan_attn(unsigned long ioaddr, u16 hacr)
-{
- hacr_write(ioaddr, hacr | HACR_CA);
-} /* set_chan_attn */
-
-/*------------------------------------------------------------------*/
-/*
- * Reset, and then set host adaptor into default mode.
- */
-static inline void wv_hacr_reset(unsigned long ioaddr)
-{
- hacr_write_slow(ioaddr, HACR_RESET);
- hacr_write(ioaddr, HACR_DEFAULT);
-} /* wv_hacr_reset */
-
-/*------------------------------------------------------------------*/
-/*
- * Set the I/O transfer over the ISA bus to 8-bit mode
- */
-static inline void wv_16_off(unsigned long ioaddr, u16 hacr)
-{
- hacr &= ~HACR_16BITS;
- hacr_write(ioaddr, hacr);
-} /* wv_16_off */
-
-/*------------------------------------------------------------------*/
-/*
- * Set the I/O transfer over the ISA bus to 8-bit mode
- */
-static inline void wv_16_on(unsigned long ioaddr, u16 hacr)
-{
- hacr |= HACR_16BITS;
- hacr_write(ioaddr, hacr);
-} /* wv_16_on */
-
-/*------------------------------------------------------------------*/
-/*
- * Disable interrupts on the WaveLAN hardware.
- * (called by wv_82586_stop())
- */
-static inline void wv_ints_off(struct net_device * dev)
-{
- net_local *lp = netdev_priv(dev);
- unsigned long ioaddr = dev->base_addr;
-
- lp->hacr &= ~HACR_INTRON;
- hacr_write(ioaddr, lp->hacr);
-} /* wv_ints_off */
-
-/*------------------------------------------------------------------*/
-/*
- * Enable interrupts on the WaveLAN hardware.
- * (called by wv_hw_reset())
- */
-static inline void wv_ints_on(struct net_device * dev)
-{
- net_local *lp = netdev_priv(dev);
- unsigned long ioaddr = dev->base_addr;
-
- lp->hacr |= HACR_INTRON;
- hacr_write(ioaddr, lp->hacr);
-} /* wv_ints_on */
-
-/******************* MODEM MANAGEMENT SUBROUTINES *******************/
-/*
- * Useful subroutines to manage the modem of the WaveLAN
- */
-
-/*------------------------------------------------------------------*/
-/*
- * Read the Parameter Storage Area from the WaveLAN card's memory
- */
-/*
- * Read bytes from the PSA.
- */
-static void psa_read(unsigned long ioaddr, u16 hacr, int o, /* offset in PSA */
- u8 * b, /* buffer to fill */
- int n)
-{ /* size to read */
- wv_16_off(ioaddr, hacr);
-
- while (n-- > 0) {
- outw(o, PIOR2(ioaddr));
- o++;
- *b++ = inb(PIOP2(ioaddr));
- }
-
- wv_16_on(ioaddr, hacr);
-} /* psa_read */
-
-/*------------------------------------------------------------------*/
-/*
- * Write the Parameter Storage Area to the WaveLAN card's memory.
- */
-static void psa_write(unsigned long ioaddr, u16 hacr, int o, /* Offset in PSA */
- u8 * b, /* Buffer in memory */
- int n)
-{ /* Length of buffer */
- int count = 0;
-
- wv_16_off(ioaddr, hacr);
-
- while (n-- > 0) {
- outw(o, PIOR2(ioaddr));
- o++;
-
- outb(*b, PIOP2(ioaddr));
- b++;
-
- /* Wait for the memory to finish its write cycle */
- count = 0;
- while ((count++ < 100) &&
- (hasr_read(ioaddr) & HASR_PSA_BUSY)) mdelay(1);
- }
-
- wv_16_on(ioaddr, hacr);
-} /* psa_write */
-
-#ifdef SET_PSA_CRC
-/*------------------------------------------------------------------*/
-/*
- * Calculate the PSA CRC
- * Thanks to Valster, Nico <NVALSTER@wcnd.nl.lucent.com> for the code
- * NOTE: By specifying a length including the CRC position the
- * returned value should be zero. (i.e. a correct checksum in the PSA)
- *
- * The Windows drivers don't use the CRC, but the AP and the PtP tool
- * depend on it.
- */
-static u16 psa_crc(u8 * psa, /* The PSA */
- int size)
-{ /* Number of short for CRC */
- int byte_cnt; /* Loop on the PSA */
- u16 crc_bytes = 0; /* Data in the PSA */
- int bit_cnt; /* Loop on the bits of the short */
-
- for (byte_cnt = 0; byte_cnt < size; byte_cnt++) {
- crc_bytes ^= psa[byte_cnt]; /* Its an xor */
-
- for (bit_cnt = 1; bit_cnt < 9; bit_cnt++) {
- if (crc_bytes & 0x0001)
- crc_bytes = (crc_bytes >> 1) ^ 0xA001;
- else
- crc_bytes >>= 1;
- }
- }
-
- return crc_bytes;
-} /* psa_crc */
-#endif /* SET_PSA_CRC */
-
-/*------------------------------------------------------------------*/
-/*
- * update the checksum field in the Wavelan's PSA
- */
-static void update_psa_checksum(struct net_device * dev, unsigned long ioaddr, u16 hacr)
-{
-#ifdef SET_PSA_CRC
- psa_t psa;
- u16 crc;
-
- /* read the parameter storage area */
- psa_read(ioaddr, hacr, 0, (unsigned char *) &psa, sizeof(psa));
-
- /* update the checksum */
- crc = psa_crc((unsigned char *) &psa,
- sizeof(psa) - sizeof(psa.psa_crc[0]) -
- sizeof(psa.psa_crc[1])
- - sizeof(psa.psa_crc_status));
-
- psa.psa_crc[0] = crc & 0xFF;
- psa.psa_crc[1] = (crc & 0xFF00) >> 8;
-
- /* Write it ! */
- psa_write(ioaddr, hacr, (char *) &psa.psa_crc - (char *) &psa,
- (unsigned char *) &psa.psa_crc, 2);
-
-#ifdef DEBUG_IOCTL_INFO
- printk(KERN_DEBUG "%s: update_psa_checksum(): crc = 0x%02x%02x\n",
- dev->name, psa.psa_crc[0], psa.psa_crc[1]);
-
- /* Check again (luxury !) */
- crc = psa_crc((unsigned char *) &psa,
- sizeof(psa) - sizeof(psa.psa_crc_status));
-
- if (crc != 0)
- printk(KERN_WARNING
- "%s: update_psa_checksum(): CRC does not agree with PSA data (even after recalculating)\n",
- dev->name);
-#endif /* DEBUG_IOCTL_INFO */
-#endif /* SET_PSA_CRC */
-} /* update_psa_checksum */
-
-/*------------------------------------------------------------------*/
-/*
- * Write 1 byte to the MMC.
- */
-static void mmc_out(unsigned long ioaddr, u16 o, u8 d)
-{
- int count = 0;
-
- /* Wait for MMC to go idle */
- while ((count++ < 100) && (inw(HASR(ioaddr)) & HASR_MMC_BUSY))
- udelay(10);
-
- outw((u16) (((u16) d << 8) | (o << 1) | 1), MMCR(ioaddr));
-}
-
-/*------------------------------------------------------------------*/
-/*
- * Routine to write bytes to the Modem Management Controller.
- * We start at the end because it is the way it should be!
- */
-static void mmc_write(unsigned long ioaddr, u8 o, u8 * b, int n)
-{
- o += n;
- b += n;
-
- while (n-- > 0)
- mmc_out(ioaddr, --o, *(--b));
-} /* mmc_write */
-
-/*------------------------------------------------------------------*/
-/*
- * Read a byte from the MMC.
- * Optimised version for 1 byte, avoid using memory.
- */
-static u8 mmc_in(unsigned long ioaddr, u16 o)
-{
- int count = 0;
-
- while ((count++ < 100) && (inw(HASR(ioaddr)) & HASR_MMC_BUSY))
- udelay(10);
- outw(o << 1, MMCR(ioaddr));
-
- while ((count++ < 100) && (inw(HASR(ioaddr)) & HASR_MMC_BUSY))
- udelay(10);
- return (u8) (inw(MMCR(ioaddr)) >> 8);
-}
-
-/*------------------------------------------------------------------*/
-/*
- * Routine to read bytes from the Modem Management Controller.
- * The implementation is complicated by a lack of address lines,
- * which prevents decoding of the low-order bit.
- * (code has just been moved in the above function)
- * We start at the end because it is the way it should be!
- */
-static inline void mmc_read(unsigned long ioaddr, u8 o, u8 * b, int n)
-{
- o += n;
- b += n;
-
- while (n-- > 0)
- *(--b) = mmc_in(ioaddr, --o);
-} /* mmc_read */
-
-/*------------------------------------------------------------------*/
-/*
- * Get the type of encryption available.
- */
-static inline int mmc_encr(unsigned long ioaddr)
-{ /* I/O port of the card */
- int temp;
-
- temp = mmc_in(ioaddr, mmroff(0, mmr_des_avail));
- if ((temp != MMR_DES_AVAIL_DES) && (temp != MMR_DES_AVAIL_AES))
- return 0;
- else
- return temp;
-}
-
-/*------------------------------------------------------------------*/
-/*
- * Wait for the frequency EEPROM to complete a command.
- * I hope this one will be optimally inlined.
- */
-static inline void fee_wait(unsigned long ioaddr, /* I/O port of the card */
- int delay, /* Base delay to wait for */
- int number)
-{ /* Number of time to wait */
- int count = 0; /* Wait only a limited time */
-
- while ((count++ < number) &&
- (mmc_in(ioaddr, mmroff(0, mmr_fee_status)) &
- MMR_FEE_STATUS_BUSY)) udelay(delay);
-}
-
-/*------------------------------------------------------------------*/
-/*
- * Read bytes from the Frequency EEPROM (frequency select cards).
- */
-static void fee_read(unsigned long ioaddr, /* I/O port of the card */
- u16 o, /* destination offset */
- u16 * b, /* data buffer */
- int n)
-{ /* number of registers */
- b += n; /* Position at the end of the area */
-
- /* Write the address */
- mmc_out(ioaddr, mmwoff(0, mmw_fee_addr), o + n - 1);
-
- /* Loop on all buffer */
- while (n-- > 0) {
- /* Write the read command */
- mmc_out(ioaddr, mmwoff(0, mmw_fee_ctrl),
- MMW_FEE_CTRL_READ);
-
- /* Wait until EEPROM is ready (should be quick). */
- fee_wait(ioaddr, 10, 100);
-
- /* Read the value. */
- *--b = ((mmc_in(ioaddr, mmroff(0, mmr_fee_data_h)) << 8) |
- mmc_in(ioaddr, mmroff(0, mmr_fee_data_l)));
- }
-}
-
-
-/*------------------------------------------------------------------*/
-/*
- * Write bytes from the Frequency EEPROM (frequency select cards).
- * This is a bit complicated, because the frequency EEPROM has to
- * be unprotected and the write enabled.
- * Jean II
- */
-static void fee_write(unsigned long ioaddr, /* I/O port of the card */
- u16 o, /* destination offset */
- u16 * b, /* data buffer */
- int n)
-{ /* number of registers */
- b += n; /* Position at the end of the area. */
-
-#ifdef EEPROM_IS_PROTECTED /* disabled */
-#ifdef DOESNT_SEEM_TO_WORK /* disabled */
- /* Ask to read the protected register */
- mmc_out(ioaddr, mmwoff(0, mmw_fee_ctrl), MMW_FEE_CTRL_PRREAD);
-
- fee_wait(ioaddr, 10, 100);
-
- /* Read the protected register. */
- printk("Protected 2: %02X-%02X\n",
- mmc_in(ioaddr, mmroff(0, mmr_fee_data_h)),
- mmc_in(ioaddr, mmroff(0, mmr_fee_data_l)));
-#endif /* DOESNT_SEEM_TO_WORK */
-
- /* Enable protected register. */
- mmc_out(ioaddr, mmwoff(0, mmw_fee_addr), MMW_FEE_ADDR_EN);
- mmc_out(ioaddr, mmwoff(0, mmw_fee_ctrl), MMW_FEE_CTRL_PREN);
-
- fee_wait(ioaddr, 10, 100);
-
- /* Unprotect area. */
- mmc_out(ioaddr, mmwoff(0, mmw_fee_addr), o + n);
- mmc_out(ioaddr, mmwoff(0, mmw_fee_ctrl), MMW_FEE_CTRL_PRWRITE);
-#ifdef DOESNT_SEEM_TO_WORK /* disabled */
- /* or use: */
- mmc_out(ioaddr, mmwoff(0, mmw_fee_ctrl), MMW_FEE_CTRL_PRCLEAR);
-#endif /* DOESNT_SEEM_TO_WORK */
-
- fee_wait(ioaddr, 10, 100);
-#endif /* EEPROM_IS_PROTECTED */
-
- /* Write enable. */
- mmc_out(ioaddr, mmwoff(0, mmw_fee_addr), MMW_FEE_ADDR_EN);
- mmc_out(ioaddr, mmwoff(0, mmw_fee_ctrl), MMW_FEE_CTRL_WREN);
-
- fee_wait(ioaddr, 10, 100);
-
- /* Write the EEPROM address. */
- mmc_out(ioaddr, mmwoff(0, mmw_fee_addr), o + n - 1);
-
- /* Loop on all buffer */
- while (n-- > 0) {
- /* Write the value. */
- mmc_out(ioaddr, mmwoff(0, mmw_fee_data_h), (*--b) >> 8);
- mmc_out(ioaddr, mmwoff(0, mmw_fee_data_l), *b & 0xFF);
-
- /* Write the write command. */
- mmc_out(ioaddr, mmwoff(0, mmw_fee_ctrl),
- MMW_FEE_CTRL_WRITE);
-
- /* WaveLAN documentation says to wait at least 10 ms for EEBUSY = 0 */
- mdelay(10);
- fee_wait(ioaddr, 10, 100);
- }
-
- /* Write disable. */
- mmc_out(ioaddr, mmwoff(0, mmw_fee_addr), MMW_FEE_ADDR_DS);
- mmc_out(ioaddr, mmwoff(0, mmw_fee_ctrl), MMW_FEE_CTRL_WDS);
-
- fee_wait(ioaddr, 10, 100);
-
-#ifdef EEPROM_IS_PROTECTED /* disabled */
- /* Reprotect EEPROM. */
- mmc_out(ioaddr, mmwoff(0, mmw_fee_addr), 0x00);
- mmc_out(ioaddr, mmwoff(0, mmw_fee_ctrl), MMW_FEE_CTRL_PRWRITE);
-
- fee_wait(ioaddr, 10, 100);
-#endif /* EEPROM_IS_PROTECTED */
-}
-
-/************************ I82586 SUBROUTINES *************************/
-/*
- * Useful subroutines to manage the Ethernet controller
- */
-
-/*------------------------------------------------------------------*/
-/*
- * Read bytes from the on-board RAM.
- * Why does inlining this function make it fail?
- */
-static /*inline */ void obram_read(unsigned long ioaddr,
- u16 o, u8 * b, int n)
-{
- outw(o, PIOR1(ioaddr));
- insw(PIOP1(ioaddr), (unsigned short *) b, (n + 1) >> 1);
-}
-
-/*------------------------------------------------------------------*/
-/*
- * Write bytes to the on-board RAM.
- */
-static inline void obram_write(unsigned long ioaddr, u16 o, u8 * b, int n)
-{
- outw(o, PIOR1(ioaddr));
- outsw(PIOP1(ioaddr), (unsigned short *) b, (n + 1) >> 1);
-}
-
-/*------------------------------------------------------------------*/
-/*
- * Acknowledge the reading of the status issued by the i82586.
- */
-static void wv_ack(struct net_device * dev)
-{
- net_local *lp = netdev_priv(dev);
- unsigned long ioaddr = dev->base_addr;
- u16 scb_cs;
- int i;
-
- obram_read(ioaddr, scboff(OFFSET_SCB, scb_status),
- (unsigned char *) &scb_cs, sizeof(scb_cs));
- scb_cs &= SCB_ST_INT;
-
- if (scb_cs == 0)
- return;
-
- obram_write(ioaddr, scboff(OFFSET_SCB, scb_command),
- (unsigned char *) &scb_cs, sizeof(scb_cs));
-
- set_chan_attn(ioaddr, lp->hacr);
-
- for (i = 1000; i > 0; i--) {
- obram_read(ioaddr, scboff(OFFSET_SCB, scb_command),
- (unsigned char *) &scb_cs, sizeof(scb_cs));
- if (scb_cs == 0)
- break;
-
- udelay(10);
- }
- udelay(100);
-
-#ifdef DEBUG_CONFIG_ERROR
- if (i <= 0)
- printk(KERN_INFO
- "%s: wv_ack(): board not accepting command.\n",
- dev->name);
-#endif
-}
-
-/*------------------------------------------------------------------*/
-/*
- * Set channel attention bit and busy wait until command has
- * completed, then acknowledge completion of the command.
- */
-static int wv_synchronous_cmd(struct net_device * dev, const char *str)
-{
- net_local *lp = netdev_priv(dev);
- unsigned long ioaddr = dev->base_addr;
- u16 scb_cmd;
- ach_t cb;
- int i;
-
- scb_cmd = SCB_CMD_CUC & SCB_CMD_CUC_GO;
- obram_write(ioaddr, scboff(OFFSET_SCB, scb_command),
- (unsigned char *) &scb_cmd, sizeof(scb_cmd));
-
- set_chan_attn(ioaddr, lp->hacr);
-
- for (i = 1000; i > 0; i--) {
- obram_read(ioaddr, OFFSET_CU, (unsigned char *) &cb,
- sizeof(cb));
- if (cb.ac_status & AC_SFLD_C)
- break;
-
- udelay(10);
- }
- udelay(100);
-
- if (i <= 0 || !(cb.ac_status & AC_SFLD_OK)) {
-#ifdef DEBUG_CONFIG_ERROR
- printk(KERN_INFO "%s: %s failed; status = 0x%x\n",
- dev->name, str, cb.ac_status);
-#endif
-#ifdef DEBUG_I82586_SHOW
- wv_scb_show(ioaddr);
-#endif
- return -1;
- }
-
- /* Ack the status */
- wv_ack(dev);
-
- return 0;
-}
-
-/*------------------------------------------------------------------*/
-/*
- * Configuration commands completion interrupt.
- * Check if done, and if OK.
- */
-static int
-wv_config_complete(struct net_device * dev, unsigned long ioaddr, net_local * lp)
-{
- unsigned short mcs_addr;
- unsigned short status;
- int ret;
-
-#ifdef DEBUG_INTERRUPT_TRACE
- printk(KERN_DEBUG "%s: ->wv_config_complete()\n", dev->name);
-#endif
-
- mcs_addr = lp->tx_first_in_use + sizeof(ac_tx_t) + sizeof(ac_nop_t)
- + sizeof(tbd_t) + sizeof(ac_cfg_t) + sizeof(ac_ias_t);
-
- /* Read the status of the last command (set mc list). */
- obram_read(ioaddr, acoff(mcs_addr, ac_status),
- (unsigned char *) &status, sizeof(status));
-
- /* If not completed -> exit */
- if ((status & AC_SFLD_C) == 0)
- ret = 0; /* Not ready to be scrapped */
- else {
-#ifdef DEBUG_CONFIG_ERROR
- unsigned short cfg_addr;
- unsigned short ias_addr;
-
- /* Check mc_config command */
- if ((status & AC_SFLD_OK) != AC_SFLD_OK)
- printk(KERN_INFO
- "%s: wv_config_complete(): set_multicast_address failed; status = 0x%x\n",
- dev->name, status);
-
- /* check ia-config command */
- ias_addr = mcs_addr - sizeof(ac_ias_t);
- obram_read(ioaddr, acoff(ias_addr, ac_status),
- (unsigned char *) &status, sizeof(status));
- if ((status & AC_SFLD_OK) != AC_SFLD_OK)
- printk(KERN_INFO
- "%s: wv_config_complete(): set_MAC_address failed; status = 0x%x\n",
- dev->name, status);
-
- /* Check config command. */
- cfg_addr = ias_addr - sizeof(ac_cfg_t);
- obram_read(ioaddr, acoff(cfg_addr, ac_status),
- (unsigned char *) &status, sizeof(status));
- if ((status & AC_SFLD_OK) != AC_SFLD_OK)
- printk(KERN_INFO
- "%s: wv_config_complete(): configure failed; status = 0x%x\n",
- dev->name, status);
-#endif /* DEBUG_CONFIG_ERROR */
-
- ret = 1; /* Ready to be scrapped */
- }
-
-#ifdef DEBUG_INTERRUPT_TRACE
- printk(KERN_DEBUG "%s: <-wv_config_complete() - %d\n", dev->name,
- ret);
-#endif
- return ret;
-}
-
-/*------------------------------------------------------------------*/
-/*
- * Command completion interrupt.
- * Reclaim as many freed tx buffers as we can.
- * (called in wavelan_interrupt()).
- * Note : the spinlock is already grabbed for us.
- */
-static int wv_complete(struct net_device * dev, unsigned long ioaddr, net_local * lp)
-{
- int nreaped = 0;
-
-#ifdef DEBUG_INTERRUPT_TRACE
- printk(KERN_DEBUG "%s: ->wv_complete()\n", dev->name);
-#endif
-
- /* Loop on all the transmit buffers */
- while (lp->tx_first_in_use != I82586NULL) {
- unsigned short tx_status;
-
- /* Read the first transmit buffer */
- obram_read(ioaddr, acoff(lp->tx_first_in_use, ac_status),
- (unsigned char *) &tx_status,
- sizeof(tx_status));
-
- /* If not completed -> exit */
- if ((tx_status & AC_SFLD_C) == 0)
- break;
-
- /* Hack for reconfiguration */
- if (tx_status == 0xFFFF)
- if (!wv_config_complete(dev, ioaddr, lp))
- break; /* Not completed */
-
- /* We now remove this buffer */
- nreaped++;
- --lp->tx_n_in_use;
-
-/*
-if (lp->tx_n_in_use > 0)
- printk("%c", "0123456789abcdefghijk"[lp->tx_n_in_use]);
-*/
-
- /* Was it the last one? */
- if (lp->tx_n_in_use <= 0)
- lp->tx_first_in_use = I82586NULL;
- else {
- /* Next one in the chain */
- lp->tx_first_in_use += TXBLOCKZ;
- if (lp->tx_first_in_use >=
- OFFSET_CU +
- NTXBLOCKS * TXBLOCKZ) lp->tx_first_in_use -=
- NTXBLOCKS * TXBLOCKZ;
- }
-
- /* Hack for reconfiguration */
- if (tx_status == 0xFFFF)
- continue;
-
- /* Now, check status of the finished command */
- if (tx_status & AC_SFLD_OK) {
- int ncollisions;
-
- dev->stats.tx_packets++;
- ncollisions = tx_status & AC_SFLD_MAXCOL;
- dev->stats.collisions += ncollisions;
-#ifdef DEBUG_TX_INFO
- if (ncollisions > 0)
- printk(KERN_DEBUG
- "%s: wv_complete(): tx completed after %d collisions.\n",
- dev->name, ncollisions);
-#endif
- } else {
- dev->stats.tx_errors++;
- if (tx_status & AC_SFLD_S10) {
- dev->stats.tx_carrier_errors++;
-#ifdef DEBUG_TX_FAIL
- printk(KERN_DEBUG
- "%s: wv_complete(): tx error: no CS.\n",
- dev->name);
-#endif
- }
- if (tx_status & AC_SFLD_S9) {
- dev->stats.tx_carrier_errors++;
-#ifdef DEBUG_TX_FAIL
- printk(KERN_DEBUG
- "%s: wv_complete(): tx error: lost CTS.\n",
- dev->name);
-#endif
- }
- if (tx_status & AC_SFLD_S8) {
- dev->stats.tx_fifo_errors++;
-#ifdef DEBUG_TX_FAIL
- printk(KERN_DEBUG
- "%s: wv_complete(): tx error: slow DMA.\n",
- dev->name);
-#endif
- }
- if (tx_status & AC_SFLD_S6) {
- dev->stats.tx_heartbeat_errors++;
-#ifdef DEBUG_TX_FAIL
- printk(KERN_DEBUG
- "%s: wv_complete(): tx error: heart beat.\n",
- dev->name);
-#endif
- }
- if (tx_status & AC_SFLD_S5) {
- dev->stats.tx_aborted_errors++;
-#ifdef DEBUG_TX_FAIL
- printk(KERN_DEBUG
- "%s: wv_complete(): tx error: too many collisions.\n",
- dev->name);
-#endif
- }
- }
-
-#ifdef DEBUG_TX_INFO
- printk(KERN_DEBUG
- "%s: wv_complete(): tx completed, tx_status 0x%04x\n",
- dev->name, tx_status);
-#endif
- }
-
-#ifdef DEBUG_INTERRUPT_INFO
- if (nreaped > 1)
- printk(KERN_DEBUG "%s: wv_complete(): reaped %d\n",
- dev->name, nreaped);
-#endif
-
- /*
- * Inform upper layers.
- */
- if (lp->tx_n_in_use < NTXBLOCKS - 1) {
- netif_wake_queue(dev);
- }
-#ifdef DEBUG_INTERRUPT_TRACE
- printk(KERN_DEBUG "%s: <-wv_complete()\n", dev->name);
-#endif
- return nreaped;
-}
-
-/*------------------------------------------------------------------*/
-/*
- * Reconfigure the i82586, or at least ask for it.
- * Because wv_82586_config uses a transmission buffer, we must do it
- * when we are sure that there is one left, so we do it now
- * or in wavelan_packet_xmit() (I can't find any better place,
- * wavelan_interrupt is not an option), so you may experience
- * delays sometimes.
- */
-static void wv_82586_reconfig(struct net_device * dev)
-{
- net_local *lp = netdev_priv(dev);
- unsigned long flags;
-
- /* Arm the flag, will be cleard in wv_82586_config() */
- lp->reconfig_82586 = 1;
-
- /* Check if we can do it now ! */
- if((netif_running(dev)) && !(netif_queue_stopped(dev))) {
- spin_lock_irqsave(&lp->spinlock, flags);
- /* May fail */
- wv_82586_config(dev);
- spin_unlock_irqrestore(&lp->spinlock, flags);
- }
- else {
-#ifdef DEBUG_CONFIG_INFO
- printk(KERN_DEBUG
- "%s: wv_82586_reconfig(): delayed (state = %lX)\n",
- dev->name, dev->state);
-#endif
- }
-}
-
-/********************* DEBUG & INFO SUBROUTINES *********************/
-/*
- * This routine is used in the code to show information for debugging.
- * Most of the time, it dumps the contents of hardware structures.
- */
-
-#ifdef DEBUG_PSA_SHOW
-/*------------------------------------------------------------------*/
-/*
- * Print the formatted contents of the Parameter Storage Area.
- */
-static void wv_psa_show(psa_t * p)
-{
- printk(KERN_DEBUG "##### WaveLAN PSA contents: #####\n");
- printk(KERN_DEBUG "psa_io_base_addr_1: 0x%02X %02X %02X %02X\n",
- p->psa_io_base_addr_1,
- p->psa_io_base_addr_2,
- p->psa_io_base_addr_3, p->psa_io_base_addr_4);
- printk(KERN_DEBUG "psa_rem_boot_addr_1: 0x%02X %02X %02X\n",
- p->psa_rem_boot_addr_1,
- p->psa_rem_boot_addr_2, p->psa_rem_boot_addr_3);
- printk(KERN_DEBUG "psa_holi_params: 0x%02x, ", p->psa_holi_params);
- printk("psa_int_req_no: %d\n", p->psa_int_req_no);
-#ifdef DEBUG_SHOW_UNUSED
- printk(KERN_DEBUG "psa_unused0[]: %pM\n", p->psa_unused0);
-#endif /* DEBUG_SHOW_UNUSED */
- printk(KERN_DEBUG "psa_univ_mac_addr[]: %pM\n", p->psa_univ_mac_addr);
- printk(KERN_DEBUG "psa_local_mac_addr[]: %pM\n", p->psa_local_mac_addr);
- printk(KERN_DEBUG "psa_univ_local_sel: %d, ",
- p->psa_univ_local_sel);
- printk("psa_comp_number: %d, ", p->psa_comp_number);
- printk("psa_thr_pre_set: 0x%02x\n", p->psa_thr_pre_set);
- printk(KERN_DEBUG "psa_feature_select/decay_prm: 0x%02x, ",
- p->psa_feature_select);
- printk("psa_subband/decay_update_prm: %d\n", p->psa_subband);
- printk(KERN_DEBUG "psa_quality_thr: 0x%02x, ", p->psa_quality_thr);
- printk("psa_mod_delay: 0x%02x\n", p->psa_mod_delay);
- printk(KERN_DEBUG "psa_nwid: 0x%02x%02x, ", p->psa_nwid[0],
- p->psa_nwid[1]);
- printk("psa_nwid_select: %d\n", p->psa_nwid_select);
- printk(KERN_DEBUG "psa_encryption_select: %d, ",
- p->psa_encryption_select);
- printk
- ("psa_encryption_key[]: %02x:%02x:%02x:%02x:%02x:%02x:%02x:%02x\n",
- p->psa_encryption_key[0], p->psa_encryption_key[1],
- p->psa_encryption_key[2], p->psa_encryption_key[3],
- p->psa_encryption_key[4], p->psa_encryption_key[5],
- p->psa_encryption_key[6], p->psa_encryption_key[7]);
- printk(KERN_DEBUG "psa_databus_width: %d\n", p->psa_databus_width);
- printk(KERN_DEBUG "psa_call_code/auto_squelch: 0x%02x, ",
- p->psa_call_code[0]);
- printk
- ("psa_call_code[]: %02X:%02X:%02X:%02X:%02X:%02X:%02X:%02X\n",
- p->psa_call_code[0], p->psa_call_code[1], p->psa_call_code[2],
- p->psa_call_code[3], p->psa_call_code[4], p->psa_call_code[5],
- p->psa_call_code[6], p->psa_call_code[7]);
-#ifdef DEBUG_SHOW_UNUSED
- printk(KERN_DEBUG "psa_reserved[]: %02X:%02X\n",
- p->psa_reserved[0],
- p->psa_reserved[1]);
-#endif /* DEBUG_SHOW_UNUSED */
- printk(KERN_DEBUG "psa_conf_status: %d, ", p->psa_conf_status);
- printk("psa_crc: 0x%02x%02x, ", p->psa_crc[0], p->psa_crc[1]);
- printk("psa_crc_status: 0x%02x\n", p->psa_crc_status);
-} /* wv_psa_show */
-#endif /* DEBUG_PSA_SHOW */
-
-#ifdef DEBUG_MMC_SHOW
-/*------------------------------------------------------------------*/
-/*
- * Print the formatted status of the Modem Management Controller.
- * This function needs to be completed.
- */
-static void wv_mmc_show(struct net_device * dev)
-{
- unsigned long ioaddr = dev->base_addr;
- net_local *lp = netdev_priv(dev);
- mmr_t m;
-
- /* Basic check */
- if (hasr_read(ioaddr) & HASR_NO_CLK) {
- printk(KERN_WARNING
- "%s: wv_mmc_show: modem not connected\n",
- dev->name);
- return;
- }
-
- /* Read the mmc */
- mmc_out(ioaddr, mmwoff(0, mmw_freeze), 1);
- mmc_read(ioaddr, 0, (u8 *) & m, sizeof(m));
- mmc_out(ioaddr, mmwoff(0, mmw_freeze), 0);
-
- /* Don't forget to update statistics */
- lp->wstats.discard.nwid +=
- (m.mmr_wrong_nwid_h << 8) | m.mmr_wrong_nwid_l;
-
- printk(KERN_DEBUG "##### WaveLAN modem status registers: #####\n");
-#ifdef DEBUG_SHOW_UNUSED
- printk(KERN_DEBUG
- "mmc_unused0[]: %02X:%02X:%02X:%02X:%02X:%02X:%02X:%02X\n",
- m.mmr_unused0[0], m.mmr_unused0[1], m.mmr_unused0[2],
- m.mmr_unused0[3], m.mmr_unused0[4], m.mmr_unused0[5],
- m.mmr_unused0[6], m.mmr_unused0[7]);
-#endif /* DEBUG_SHOW_UNUSED */
- printk(KERN_DEBUG "Encryption algorithm: %02X - Status: %02X\n",
- m.mmr_des_avail, m.mmr_des_status);
-#ifdef DEBUG_SHOW_UNUSED
- printk(KERN_DEBUG "mmc_unused1[]: %02X:%02X:%02X:%02X:%02X\n",
- m.mmr_unused1[0],
- m.mmr_unused1[1],
- m.mmr_unused1[2], m.mmr_unused1[3], m.mmr_unused1[4]);
-#endif /* DEBUG_SHOW_UNUSED */
- printk(KERN_DEBUG "dce_status: 0x%x [%s%s%s%s]\n",
- m.mmr_dce_status,
- (m.
- mmr_dce_status & MMR_DCE_STATUS_RX_BUSY) ?
- "energy detected," : "",
- (m.
- mmr_dce_status & MMR_DCE_STATUS_LOOPT_IND) ?
- "loop test indicated," : "",
- (m.
- mmr_dce_status & MMR_DCE_STATUS_TX_BUSY) ?
- "transmitter on," : "",
- (m.
- mmr_dce_status & MMR_DCE_STATUS_JBR_EXPIRED) ?
- "jabber timer expired," : "");
- printk(KERN_DEBUG "Dsp ID: %02X\n", m.mmr_dsp_id);
-#ifdef DEBUG_SHOW_UNUSED
- printk(KERN_DEBUG "mmc_unused2[]: %02X:%02X\n",
- m.mmr_unused2[0], m.mmr_unused2[1]);
-#endif /* DEBUG_SHOW_UNUSED */
- printk(KERN_DEBUG "# correct_nwid: %d, # wrong_nwid: %d\n",
- (m.mmr_correct_nwid_h << 8) | m.mmr_correct_nwid_l,
- (m.mmr_wrong_nwid_h << 8) | m.mmr_wrong_nwid_l);
- printk(KERN_DEBUG "thr_pre_set: 0x%x [current signal %s]\n",
- m.mmr_thr_pre_set & MMR_THR_PRE_SET,
- (m.
- mmr_thr_pre_set & MMR_THR_PRE_SET_CUR) ? "above" :
- "below");
- printk(KERN_DEBUG "signal_lvl: %d [%s], ",
- m.mmr_signal_lvl & MMR_SIGNAL_LVL,
- (m.
- mmr_signal_lvl & MMR_SIGNAL_LVL_VALID) ? "new msg" :
- "no new msg");
- printk("silence_lvl: %d [%s], ",
- m.mmr_silence_lvl & MMR_SILENCE_LVL,
- (m.
- mmr_silence_lvl & MMR_SILENCE_LVL_VALID) ? "update done" :
- "no new update");
- printk("sgnl_qual: 0x%x [%s]\n", m.mmr_sgnl_qual & MMR_SGNL_QUAL,
- (m.
- mmr_sgnl_qual & MMR_SGNL_QUAL_ANT) ? "Antenna 1" :
- "Antenna 0");
-#ifdef DEBUG_SHOW_UNUSED
- printk(KERN_DEBUG "netw_id_l: %x\n", m.mmr_netw_id_l);
-#endif /* DEBUG_SHOW_UNUSED */
-} /* wv_mmc_show */
-#endif /* DEBUG_MMC_SHOW */
-
-#ifdef DEBUG_I82586_SHOW
-/*------------------------------------------------------------------*/
-/*
- * Print the last block of the i82586 memory.
- */
-static void wv_scb_show(unsigned long ioaddr)
-{
- scb_t scb;
-
- obram_read(ioaddr, OFFSET_SCB, (unsigned char *) &scb,
- sizeof(scb));
-
- printk(KERN_DEBUG "##### WaveLAN system control block: #####\n");
-
- printk(KERN_DEBUG "status: ");
- printk("stat 0x%x[%s%s%s%s] ",
- (scb.
- scb_status & (SCB_ST_CX | SCB_ST_FR | SCB_ST_CNA |
- SCB_ST_RNR)) >> 12,
- (scb.
- scb_status & SCB_ST_CX) ? "command completion interrupt," :
- "", (scb.scb_status & SCB_ST_FR) ? "frame received," : "",
- (scb.
- scb_status & SCB_ST_CNA) ? "command unit not active," : "",
- (scb.
- scb_status & SCB_ST_RNR) ? "receiving unit not ready," :
- "");
- printk("cus 0x%x[%s%s%s] ", (scb.scb_status & SCB_ST_CUS) >> 8,
- ((scb.scb_status & SCB_ST_CUS) ==
- SCB_ST_CUS_IDLE) ? "idle" : "",
- ((scb.scb_status & SCB_ST_CUS) ==
- SCB_ST_CUS_SUSP) ? "suspended" : "",
- ((scb.scb_status & SCB_ST_CUS) ==
- SCB_ST_CUS_ACTV) ? "active" : "");
- printk("rus 0x%x[%s%s%s%s]\n", (scb.scb_status & SCB_ST_RUS) >> 4,
- ((scb.scb_status & SCB_ST_RUS) ==
- SCB_ST_RUS_IDLE) ? "idle" : "",
- ((scb.scb_status & SCB_ST_RUS) ==
- SCB_ST_RUS_SUSP) ? "suspended" : "",
- ((scb.scb_status & SCB_ST_RUS) ==
- SCB_ST_RUS_NRES) ? "no resources" : "",
- ((scb.scb_status & SCB_ST_RUS) ==
- SCB_ST_RUS_RDY) ? "ready" : "");
-
- printk(KERN_DEBUG "command: ");
- printk("ack 0x%x[%s%s%s%s] ",
- (scb.
- scb_command & (SCB_CMD_ACK_CX | SCB_CMD_ACK_FR |
- SCB_CMD_ACK_CNA | SCB_CMD_ACK_RNR)) >> 12,
- (scb.
- scb_command & SCB_CMD_ACK_CX) ? "ack cmd completion," : "",
- (scb.
- scb_command & SCB_CMD_ACK_FR) ? "ack frame received," : "",
- (scb.
- scb_command & SCB_CMD_ACK_CNA) ? "ack CU not active," : "",
- (scb.
- scb_command & SCB_CMD_ACK_RNR) ? "ack RU not ready," : "");
- printk("cuc 0x%x[%s%s%s%s%s] ",
- (scb.scb_command & SCB_CMD_CUC) >> 8,
- ((scb.scb_command & SCB_CMD_CUC) ==
- SCB_CMD_CUC_NOP) ? "nop" : "",
- ((scb.scb_command & SCB_CMD_CUC) ==
- SCB_CMD_CUC_GO) ? "start cbl_offset" : "",
- ((scb.scb_command & SCB_CMD_CUC) ==
- SCB_CMD_CUC_RES) ? "resume execution" : "",
- ((scb.scb_command & SCB_CMD_CUC) ==
- SCB_CMD_CUC_SUS) ? "suspend execution" : "",
- ((scb.scb_command & SCB_CMD_CUC) ==
- SCB_CMD_CUC_ABT) ? "abort execution" : "");
- printk("ruc 0x%x[%s%s%s%s%s]\n",
- (scb.scb_command & SCB_CMD_RUC) >> 4,
- ((scb.scb_command & SCB_CMD_RUC) ==
- SCB_CMD_RUC_NOP) ? "nop" : "",
- ((scb.scb_command & SCB_CMD_RUC) ==
- SCB_CMD_RUC_GO) ? "start rfa_offset" : "",
- ((scb.scb_command & SCB_CMD_RUC) ==
- SCB_CMD_RUC_RES) ? "resume reception" : "",
- ((scb.scb_command & SCB_CMD_RUC) ==
- SCB_CMD_RUC_SUS) ? "suspend reception" : "",
- ((scb.scb_command & SCB_CMD_RUC) ==
- SCB_CMD_RUC_ABT) ? "abort reception" : "");
-
- printk(KERN_DEBUG "cbl_offset 0x%x ", scb.scb_cbl_offset);
- printk("rfa_offset 0x%x\n", scb.scb_rfa_offset);
-
- printk(KERN_DEBUG "crcerrs %d ", scb.scb_crcerrs);
- printk("alnerrs %d ", scb.scb_alnerrs);
- printk("rscerrs %d ", scb.scb_rscerrs);
- printk("ovrnerrs %d\n", scb.scb_ovrnerrs);
-}
-
-/*------------------------------------------------------------------*/
-/*
- * Print the formatted status of the i82586's receive unit.
- */
-static void wv_ru_show(struct net_device * dev)
-{
- printk(KERN_DEBUG
- "##### WaveLAN i82586 receiver unit status: #####\n");
- printk(KERN_DEBUG "ru:");
- /*
- * Not implemented yet
- */
- printk("\n");
-} /* wv_ru_show */
-
-/*------------------------------------------------------------------*/
-/*
- * Display info about one control block of the i82586 memory.
- */
-static void wv_cu_show_one(struct net_device * dev, net_local * lp, int i, u16 p)
-{
- unsigned long ioaddr;
- ac_tx_t actx;
-
- ioaddr = dev->base_addr;
-
- printk("%d: 0x%x:", i, p);
-
- obram_read(ioaddr, p, (unsigned char *) &actx, sizeof(actx));
- printk(" status=0x%x,", actx.tx_h.ac_status);
- printk(" command=0x%x,", actx.tx_h.ac_command);
-
- /*
- {
- tbd_t tbd;
-
- obram_read(ioaddr, actx.tx_tbd_offset, (unsigned char *)&tbd, sizeof(tbd));
- printk(" tbd_status=0x%x,", tbd.tbd_status);
- }
- */
-
- printk("|");
-}
-
-/*------------------------------------------------------------------*/
-/*
- * Print status of the command unit of the i82586.
- */
-static void wv_cu_show(struct net_device * dev)
-{
- net_local *lp = netdev_priv(dev);
- unsigned int i;
- u16 p;
-
- printk(KERN_DEBUG
- "##### WaveLAN i82586 command unit status: #####\n");
-
- printk(KERN_DEBUG);
- for (i = 0, p = lp->tx_first_in_use; i < NTXBLOCKS; i++) {
- wv_cu_show_one(dev, lp, i, p);
-
- p += TXBLOCKZ;
- if (p >= OFFSET_CU + NTXBLOCKS * TXBLOCKZ)
- p -= NTXBLOCKS * TXBLOCKZ;
- }
- printk("\n");
-}
-#endif /* DEBUG_I82586_SHOW */
-
-#ifdef DEBUG_DEVICE_SHOW
-/*------------------------------------------------------------------*/
-/*
- * Print the formatted status of the WaveLAN PCMCIA device driver.
- */
-static void wv_dev_show(struct net_device * dev)
-{
- printk(KERN_DEBUG "dev:");
- printk(" state=%lX,", dev->state);
- printk(" trans_start=%ld,", dev->trans_start);
- printk(" flags=0x%x,", dev->flags);
- printk("\n");
-} /* wv_dev_show */
-
-/*------------------------------------------------------------------*/
-/*
- * Print the formatted status of the WaveLAN PCMCIA device driver's
- * private information.
- */
-static void wv_local_show(struct net_device * dev)
-{
- net_local *lp;
-
- lp = netdev_priv(dev);
-
- printk(KERN_DEBUG "local:");
- printk(" tx_n_in_use=%d,", lp->tx_n_in_use);
- printk(" hacr=0x%x,", lp->hacr);
- printk(" rx_head=0x%x,", lp->rx_head);
- printk(" rx_last=0x%x,", lp->rx_last);
- printk(" tx_first_free=0x%x,", lp->tx_first_free);
- printk(" tx_first_in_use=0x%x,", lp->tx_first_in_use);
- printk("\n");
-} /* wv_local_show */
-#endif /* DEBUG_DEVICE_SHOW */
-
-#if defined(DEBUG_RX_INFO) || defined(DEBUG_TX_INFO)
-/*------------------------------------------------------------------*/
-/*
- * Dump packet header (and content if necessary) on the screen
- */
-static inline void wv_packet_info(u8 * p, /* Packet to dump */
- int length, /* Length of the packet */
- char *msg1, /* Name of the device */
- char *msg2)
-{ /* Name of the function */
- int i;
- int maxi;
-
- printk(KERN_DEBUG
- "%s: %s(): dest %pM, length %d\n",
- msg1, msg2, p, length);
- printk(KERN_DEBUG
- "%s: %s(): src %pM, type 0x%02X%02X\n",
- msg1, msg2, &p[6], p[12], p[13]);
-
-#ifdef DEBUG_PACKET_DUMP
-
- printk(KERN_DEBUG "data=\"");
-
- if ((maxi = length) > DEBUG_PACKET_DUMP)
- maxi = DEBUG_PACKET_DUMP;
- for (i = 14; i < maxi; i++)
- if (p[i] >= ' ' && p[i] <= '~')
- printk(" %c", p[i]);
- else
- printk("%02X", p[i]);
- if (maxi < length)
- printk("..");
- printk("\"\n");
- printk(KERN_DEBUG "\n");
-#endif /* DEBUG_PACKET_DUMP */
-}
-#endif /* defined(DEBUG_RX_INFO) || defined(DEBUG_TX_INFO) */
-
-/*------------------------------------------------------------------*/
-/*
- * This is the information which is displayed by the driver at startup.
- * There are lots of flags for configuring it to your liking.
- */
-static void wv_init_info(struct net_device * dev)
-{
- short ioaddr = dev->base_addr;
- net_local *lp = netdev_priv(dev);
- psa_t psa;
-
- /* Read the parameter storage area */
- psa_read(ioaddr, lp->hacr, 0, (unsigned char *) &psa, sizeof(psa));
-
-#ifdef DEBUG_PSA_SHOW
- wv_psa_show(&psa);
-#endif
-#ifdef DEBUG_MMC_SHOW
- wv_mmc_show(dev);
-#endif
-#ifdef DEBUG_I82586_SHOW
- wv_cu_show(dev);
-#endif
-
-#ifdef DEBUG_BASIC_SHOW
- /* Now, let's go for the basic stuff. */
- printk(KERN_NOTICE "%s: WaveLAN at %#x, %pM, IRQ %d",
- dev->name, ioaddr, dev->dev_addr, dev->irq);
-
- /* Print current network ID. */
- if (psa.psa_nwid_select)
- printk(", nwid 0x%02X-%02X", psa.psa_nwid[0],
- psa.psa_nwid[1]);
- else
- printk(", nwid off");
-
- /* If 2.00 card */
- if (!(mmc_in(ioaddr, mmroff(0, mmr_fee_status)) &
- (MMR_FEE_STATUS_DWLD | MMR_FEE_STATUS_BUSY))) {
- unsigned short freq;
-
- /* Ask the EEPROM to read the frequency from the first area. */
- fee_read(ioaddr, 0x00, &freq, 1);
-
- /* Print frequency */
- printk(", 2.00, %ld", (freq >> 6) + 2400L);
-
- /* Hack! */
- if (freq & 0x20)
- printk(".5");
- } else {
- printk(", PC");
- switch (psa.psa_comp_number) {
- case PSA_COMP_PC_AT_915:
- case PSA_COMP_PC_AT_2400:
- printk("-AT");
- break;
- case PSA_COMP_PC_MC_915:
- case PSA_COMP_PC_MC_2400:
- printk("-MC");
- break;
- case PSA_COMP_PCMCIA_915:
- printk("MCIA");
- break;
- default:
- printk("?");
- }
- printk(", ");
- switch (psa.psa_subband) {
- case PSA_SUBBAND_915:
- printk("915");
- break;
- case PSA_SUBBAND_2425:
- printk("2425");
- break;
- case PSA_SUBBAND_2460:
- printk("2460");
- break;
- case PSA_SUBBAND_2484:
- printk("2484");
- break;
- case PSA_SUBBAND_2430_5:
- printk("2430.5");
- break;
- default:
- printk("?");
- }
- }
-
- printk(" MHz\n");
-#endif /* DEBUG_BASIC_SHOW */
-
-#ifdef DEBUG_VERSION_SHOW
- /* Print version information */
- printk(KERN_NOTICE "%s", version);
-#endif
-} /* wv_init_info */
-
-/********************* IOCTL, STATS & RECONFIG *********************/
-/*
- * We found here routines that are called by Linux on different
- * occasions after the configuration and not for transmitting data
- * These may be called when the user use ifconfig, /proc/net/dev
- * or wireless extensions
- */
-
-
-/*------------------------------------------------------------------*/
-/*
- * Set or clear the multicast filter for this adaptor.
- * num_addrs == -1 Promiscuous mode, receive all packets
- * num_addrs == 0 Normal mode, clear multicast list
- * num_addrs > 0 Multicast mode, receive normal and MC packets,
- * and do best-effort filtering.
- */
-static void wavelan_set_multicast_list(struct net_device * dev)
-{
- net_local *lp = netdev_priv(dev);
-
-#ifdef DEBUG_IOCTL_TRACE
- printk(KERN_DEBUG "%s: ->wavelan_set_multicast_list()\n",
- dev->name);
-#endif
-
-#ifdef DEBUG_IOCTL_INFO
- printk(KERN_DEBUG
- "%s: wavelan_set_multicast_list(): setting Rx mode %02X to %d addresses.\n",
- dev->name, dev->flags, dev->mc_count);
-#endif
-
- /* Are we asking for promiscuous mode,
- * or all multicast addresses (we don't have that!)
- * or too many multicast addresses for the hardware filter? */
- if ((dev->flags & IFF_PROMISC) ||
- (dev->flags & IFF_ALLMULTI) ||
- (dev->mc_count > I82586_MAX_MULTICAST_ADDRESSES)) {
- /*
- * Enable promiscuous mode: receive all packets.
- */
- if (!lp->promiscuous) {
- lp->promiscuous = 1;
- lp->mc_count = 0;
-
- wv_82586_reconfig(dev);
- }
- } else
- /* Are there multicast addresses to send? */
- if (dev->mc_list != (struct dev_mc_list *) NULL) {
- /*
- * Disable promiscuous mode, but receive all packets
- * in multicast list
- */
-#ifdef MULTICAST_AVOID
- if (lp->promiscuous || (dev->mc_count != lp->mc_count))
-#endif
- {
- lp->promiscuous = 0;
- lp->mc_count = dev->mc_count;
-
- wv_82586_reconfig(dev);
- }
- } else {
- /*
- * Switch to normal mode: disable promiscuous mode and
- * clear the multicast list.
- */
- if (lp->promiscuous || lp->mc_count == 0) {
- lp->promiscuous = 0;
- lp->mc_count = 0;
-
- wv_82586_reconfig(dev);
- }
- }
-#ifdef DEBUG_IOCTL_TRACE
- printk(KERN_DEBUG "%s: <-wavelan_set_multicast_list()\n",
- dev->name);
-#endif
-}
-
-/*------------------------------------------------------------------*/
-/*
- * This function doesn't exist.
- * (Note : it was a nice way to test the reconfigure stuff...)
- */
-#ifdef SET_MAC_ADDRESS
-static int wavelan_set_mac_address(struct net_device * dev, void *addr)
-{
- struct sockaddr *mac = addr;
-
- /* Copy the address. */
- memcpy(dev->dev_addr, mac->sa_data, WAVELAN_ADDR_SIZE);
-
- /* Reconfigure the beast. */
- wv_82586_reconfig(dev);
-
- return 0;
-}
-#endif /* SET_MAC_ADDRESS */
-
-
-/*------------------------------------------------------------------*/
-/*
- * Frequency setting (for hardware capable of it)
- * It's a bit complicated and you don't really want to look into it.
- * (called in wavelan_ioctl)
- */
-static int wv_set_frequency(unsigned long ioaddr, /* I/O port of the card */
- iw_freq * frequency)
-{
- const int BAND_NUM = 10; /* Number of bands */
- long freq = 0L; /* offset to 2.4 GHz in .5 MHz */
-#ifdef DEBUG_IOCTL_INFO
- int i;
-#endif
-
- /* Setting by frequency */
- /* Theoretically, you may set any frequency between
- * the two limits with a 0.5 MHz precision. In practice,
- * I don't want you to have trouble with local regulations.
- */
- if ((frequency->e == 1) &&
- (frequency->m >= (int) 2.412e8)
- && (frequency->m <= (int) 2.487e8)) {
- freq = ((frequency->m / 10000) - 24000L) / 5;
- }
-
- /* Setting by channel (same as wfreqsel) */
- /* Warning: each channel is 22 MHz wide, so some of the channels
- * will interfere. */
- if ((frequency->e == 0) && (frequency->m < BAND_NUM)) {
- /* Get frequency offset. */
- freq = channel_bands[frequency->m] >> 1;
- }
-
- /* Verify that the frequency is allowed. */
- if (freq != 0L) {
- u16 table[10]; /* Authorized frequency table */
-
- /* Read the frequency table. */
- fee_read(ioaddr, 0x71, table, 10);
-
-#ifdef DEBUG_IOCTL_INFO
- printk(KERN_DEBUG "Frequency table: ");
- for (i = 0; i < 10; i++) {
- printk(" %04X", table[i]);
- }
- printk("\n");
-#endif
-
- /* Look in the table to see whether the frequency is allowed. */
- if (!(table[9 - ((freq - 24) / 16)] &
- (1 << ((freq - 24) % 16)))) return -EINVAL; /* not allowed */
- } else
- return -EINVAL;
-
- /* if we get a usable frequency */
- if (freq != 0L) {
- unsigned short area[16];
- unsigned short dac[2];
- unsigned short area_verify[16];
- unsigned short dac_verify[2];
- /* Corresponding gain (in the power adjust value table)
- * See AT&T WaveLAN Data Manual, REF 407-024689/E, page 3-8
- * and WCIN062D.DOC, page 6.2.9. */
- unsigned short power_limit[] = { 40, 80, 120, 160, 0 };
- int power_band = 0; /* Selected band */
- unsigned short power_adjust; /* Correct value */
-
- /* Search for the gain. */
- power_band = 0;
- while ((freq > power_limit[power_band]) &&
- (power_limit[++power_band] != 0));
-
- /* Read the first area. */
- fee_read(ioaddr, 0x00, area, 16);
-
- /* Read the DAC. */
- fee_read(ioaddr, 0x60, dac, 2);
-
- /* Read the new power adjust value. */
- fee_read(ioaddr, 0x6B - (power_band >> 1), &power_adjust,
- 1);
- if (power_band & 0x1)
- power_adjust >>= 8;
- else
- power_adjust &= 0xFF;
-
-#ifdef DEBUG_IOCTL_INFO
- printk(KERN_DEBUG "WaveLAN EEPROM Area 1: ");
- for (i = 0; i < 16; i++) {
- printk(" %04X", area[i]);
- }
- printk("\n");
-
- printk(KERN_DEBUG "WaveLAN EEPROM DAC: %04X %04X\n",
- dac[0], dac[1]);
-#endif
-
- /* Frequency offset (for info only) */
- area[0] = ((freq << 5) & 0xFFE0) | (area[0] & 0x1F);
-
- /* Receiver Principle main divider coefficient */
- area[3] = (freq >> 1) + 2400L - 352L;
- area[2] = ((freq & 0x1) << 4) | (area[2] & 0xFFEF);
-
- /* Transmitter Main divider coefficient */
- area[13] = (freq >> 1) + 2400L;
- area[12] = ((freq & 0x1) << 4) | (area[2] & 0xFFEF);
-
- /* Other parts of the area are flags, bit streams or unused. */
-
- /* Set the value in the DAC. */
- dac[1] = ((power_adjust >> 1) & 0x7F) | (dac[1] & 0xFF80);
- dac[0] = ((power_adjust & 0x1) << 4) | (dac[0] & 0xFFEF);
-
- /* Write the first area. */
- fee_write(ioaddr, 0x00, area, 16);
-
- /* Write the DAC. */
- fee_write(ioaddr, 0x60, dac, 2);
-
- /* We now should verify here that the writing of the EEPROM went OK. */
-
- /* Reread the first area. */
- fee_read(ioaddr, 0x00, area_verify, 16);
-
- /* Reread the DAC. */
- fee_read(ioaddr, 0x60, dac_verify, 2);
-
- /* Compare. */
- if (memcmp(area, area_verify, 16 * 2) ||
- memcmp(dac, dac_verify, 2 * 2)) {
-#ifdef DEBUG_IOCTL_ERROR
- printk(KERN_INFO
- "WaveLAN: wv_set_frequency: unable to write new frequency to EEPROM(?).\n");
-#endif
- return -EOPNOTSUPP;
- }
-
- /* We must download the frequency parameters to the
- * synthesizers (from the EEPROM - area 1)
- * Note: as the EEPROM is automatically decremented, we set the end
- * if the area... */
- mmc_out(ioaddr, mmwoff(0, mmw_fee_addr), 0x0F);
- mmc_out(ioaddr, mmwoff(0, mmw_fee_ctrl),
- MMW_FEE_CTRL_READ | MMW_FEE_CTRL_DWLD);
-
- /* Wait until the download is finished. */
- fee_wait(ioaddr, 100, 100);
-
- /* We must now download the power adjust value (gain) to
- * the synthesizers (from the EEPROM - area 7 - DAC). */
- mmc_out(ioaddr, mmwoff(0, mmw_fee_addr), 0x61);
- mmc_out(ioaddr, mmwoff(0, mmw_fee_ctrl),
- MMW_FEE_CTRL_READ | MMW_FEE_CTRL_DWLD);
-
- /* Wait for the download to finish. */
- fee_wait(ioaddr, 100, 100);
-
-#ifdef DEBUG_IOCTL_INFO
- /* Verification of what we have done */
-
- printk(KERN_DEBUG "WaveLAN EEPROM Area 1: ");
- for (i = 0; i < 16; i++) {
- printk(" %04X", area_verify[i]);
- }
- printk("\n");
-
- printk(KERN_DEBUG "WaveLAN EEPROM DAC: %04X %04X\n",
- dac_verify[0], dac_verify[1]);
-#endif
-
- return 0;
- } else
- return -EINVAL; /* Bah, never get there... */
-}
-
-/*------------------------------------------------------------------*/
-/*
- * Give the list of available frequencies.
- */
-static int wv_frequency_list(unsigned long ioaddr, /* I/O port of the card */
- iw_freq * list, /* List of frequencies to fill */
- int max)
-{ /* Maximum number of frequencies */
- u16 table[10]; /* Authorized frequency table */
- long freq = 0L; /* offset to 2.4 GHz in .5 MHz + 12 MHz */
- int i; /* index in the table */
- int c = 0; /* Channel number */
-
- /* Read the frequency table. */
- fee_read(ioaddr, 0x71 /* frequency table */ , table, 10);
-
- /* Check all frequencies. */
- i = 0;
- for (freq = 0; freq < 150; freq++)
- /* Look in the table if the frequency is allowed */
- if (table[9 - (freq / 16)] & (1 << (freq % 16))) {
- /* Compute approximate channel number */
- while ((c < ARRAY_SIZE(channel_bands)) &&
- (((channel_bands[c] >> 1) - 24) < freq))
- c++;
- list[i].i = c; /* Set the list index */
-
- /* put in the list */
- list[i].m = (((freq + 24) * 5) + 24000L) * 10000;
- list[i++].e = 1;
-
- /* Check number. */
- if (i >= max)
- return (i);
- }
-
- return (i);
-}
-
-#ifdef IW_WIRELESS_SPY
-/*------------------------------------------------------------------*/
-/*
- * Gather wireless spy statistics: for each packet, compare the source
- * address with our list, and if they match, get the statistics.
- * Sorry, but this function really needs the wireless extensions.
- */
-static inline void wl_spy_gather(struct net_device * dev,
- u8 * mac, /* MAC address */
- u8 * stats) /* Statistics to gather */
-{
- struct iw_quality wstats;
-
- wstats.qual = stats[2] & MMR_SGNL_QUAL;
- wstats.level = stats[0] & MMR_SIGNAL_LVL;
- wstats.noise = stats[1] & MMR_SILENCE_LVL;
- wstats.updated = 0x7;
-
- /* Update spy records */
- wireless_spy_update(dev, mac, &wstats);
-}
-#endif /* IW_WIRELESS_SPY */
-
-#ifdef HISTOGRAM
-/*------------------------------------------------------------------*/
-/*
- * This function calculates a histogram of the signal level.
- * As the noise is quite constant, it's like doing it on the SNR.
- * We have defined a set of interval (lp->his_range), and each time
- * the level goes in that interval, we increment the count (lp->his_sum).
- * With this histogram you may detect if one WaveLAN is really weak,
- * or you may also calculate the mean and standard deviation of the level.
- */
-static inline void wl_his_gather(struct net_device * dev, u8 * stats)
-{ /* Statistics to gather */
- net_local *lp = netdev_priv(dev);
- u8 level = stats[0] & MMR_SIGNAL_LVL;
- int i;
-
- /* Find the correct interval. */
- i = 0;
- while ((i < (lp->his_number - 1))
- && (level >= lp->his_range[i++]));
-
- /* Increment interval counter. */
- (lp->his_sum[i])++;
-}
-#endif /* HISTOGRAM */
-
-/*------------------------------------------------------------------*/
-/*
- * Wireless Handler : get protocol name
- */
-static int wavelan_get_name(struct net_device *dev,
- struct iw_request_info *info,
- union iwreq_data *wrqu,
- char *extra)
-{
- strcpy(wrqu->name, "WaveLAN");
- return 0;
-}
-
-/*------------------------------------------------------------------*/
-/*
- * Wireless Handler : set NWID
- */
-static int wavelan_set_nwid(struct net_device *dev,
- struct iw_request_info *info,
- union iwreq_data *wrqu,
- char *extra)
-{
- unsigned long ioaddr = dev->base_addr;
- net_local *lp = netdev_priv(dev); /* lp is not unused */
- psa_t psa;
- mm_t m;
- unsigned long flags;
- int ret = 0;
-
- /* Disable interrupts and save flags. */
- spin_lock_irqsave(&lp->spinlock, flags);
-
- /* Set NWID in WaveLAN. */
- if (!wrqu->nwid.disabled) {
- /* Set NWID in psa */
- psa.psa_nwid[0] = (wrqu->nwid.value & 0xFF00) >> 8;
- psa.psa_nwid[1] = wrqu->nwid.value & 0xFF;
- psa.psa_nwid_select = 0x01;
- psa_write(ioaddr, lp->hacr,
- (char *) psa.psa_nwid - (char *) &psa,
- (unsigned char *) psa.psa_nwid, 3);
-
- /* Set NWID in mmc. */
- m.w.mmw_netw_id_l = psa.psa_nwid[1];
- m.w.mmw_netw_id_h = psa.psa_nwid[0];
- mmc_write(ioaddr,
- (char *) &m.w.mmw_netw_id_l -
- (char *) &m,
- (unsigned char *) &m.w.mmw_netw_id_l, 2);
- mmc_out(ioaddr, mmwoff(0, mmw_loopt_sel), 0x00);
- } else {
- /* Disable NWID in the psa. */
- psa.psa_nwid_select = 0x00;
- psa_write(ioaddr, lp->hacr,
- (char *) &psa.psa_nwid_select -
- (char *) &psa,
- (unsigned char *) &psa.psa_nwid_select,
- 1);
-
- /* Disable NWID in the mmc (no filtering). */
- mmc_out(ioaddr, mmwoff(0, mmw_loopt_sel),
- MMW_LOOPT_SEL_DIS_NWID);
- }
- /* update the Wavelan checksum */
- update_psa_checksum(dev, ioaddr, lp->hacr);
-
- /* Enable interrupts and restore flags. */
- spin_unlock_irqrestore(&lp->spinlock, flags);
-
- return ret;
-}
-
-/*------------------------------------------------------------------*/
-/*
- * Wireless Handler : get NWID
- */
-static int wavelan_get_nwid(struct net_device *dev,
- struct iw_request_info *info,
- union iwreq_data *wrqu,
- char *extra)
-{
- unsigned long ioaddr = dev->base_addr;
- net_local *lp = netdev_priv(dev); /* lp is not unused */
- psa_t psa;
- unsigned long flags;
- int ret = 0;
-
- /* Disable interrupts and save flags. */
- spin_lock_irqsave(&lp->spinlock, flags);
-
- /* Read the NWID. */
- psa_read(ioaddr, lp->hacr,
- (char *) psa.psa_nwid - (char *) &psa,
- (unsigned char *) psa.psa_nwid, 3);
- wrqu->nwid.value = (psa.psa_nwid[0] << 8) + psa.psa_nwid[1];
- wrqu->nwid.disabled = !(psa.psa_nwid_select);
- wrqu->nwid.fixed = 1; /* Superfluous */
-
- /* Enable interrupts and restore flags. */
- spin_unlock_irqrestore(&lp->spinlock, flags);
-
- return ret;
-}
-
-/*------------------------------------------------------------------*/
-/*
- * Wireless Handler : set frequency
- */
-static int wavelan_set_freq(struct net_device *dev,
- struct iw_request_info *info,
- union iwreq_data *wrqu,
- char *extra)
-{
- unsigned long ioaddr = dev->base_addr;
- net_local *lp = netdev_priv(dev); /* lp is not unused */
- unsigned long flags;
- int ret;
-
- /* Disable interrupts and save flags. */
- spin_lock_irqsave(&lp->spinlock, flags);
-
- /* Attempt to recognise 2.00 cards (2.4 GHz frequency selectable). */
- if (!(mmc_in(ioaddr, mmroff(0, mmr_fee_status)) &
- (MMR_FEE_STATUS_DWLD | MMR_FEE_STATUS_BUSY)))
- ret = wv_set_frequency(ioaddr, &(wrqu->freq));
- else
- ret = -EOPNOTSUPP;
-
- /* Enable interrupts and restore flags. */
- spin_unlock_irqrestore(&lp->spinlock, flags);
-
- return ret;
-}
-
-/*------------------------------------------------------------------*/
-/*
- * Wireless Handler : get frequency
- */
-static int wavelan_get_freq(struct net_device *dev,
- struct iw_request_info *info,
- union iwreq_data *wrqu,
- char *extra)
-{
- unsigned long ioaddr = dev->base_addr;
- net_local *lp = netdev_priv(dev); /* lp is not unused */
- psa_t psa;
- unsigned long flags;
- int ret = 0;
-
- /* Disable interrupts and save flags. */
- spin_lock_irqsave(&lp->spinlock, flags);
-
- /* Attempt to recognise 2.00 cards (2.4 GHz frequency selectable).
- * Does it work for everybody, especially old cards? */
- if (!(mmc_in(ioaddr, mmroff(0, mmr_fee_status)) &
- (MMR_FEE_STATUS_DWLD | MMR_FEE_STATUS_BUSY))) {
- unsigned short freq;
-
- /* Ask the EEPROM to read the frequency from the first area. */
- fee_read(ioaddr, 0x00, &freq, 1);
- wrqu->freq.m = ((freq >> 5) * 5 + 24000L) * 10000;
- wrqu->freq.e = 1;
- } else {
- psa_read(ioaddr, lp->hacr,
- (char *) &psa.psa_subband - (char *) &psa,
- (unsigned char *) &psa.psa_subband, 1);
-
- if (psa.psa_subband <= 4) {
- wrqu->freq.m = fixed_bands[psa.psa_subband];
- wrqu->freq.e = (psa.psa_subband != 0);
- } else
- ret = -EOPNOTSUPP;
- }
-
- /* Enable interrupts and restore flags. */
- spin_unlock_irqrestore(&lp->spinlock, flags);
-
- return ret;
-}
-
-/*------------------------------------------------------------------*/
-/*
- * Wireless Handler : set level threshold
- */
-static int wavelan_set_sens(struct net_device *dev,
- struct iw_request_info *info,
- union iwreq_data *wrqu,
- char *extra)
-{
- unsigned long ioaddr = dev->base_addr;
- net_local *lp = netdev_priv(dev); /* lp is not unused */
- psa_t psa;
- unsigned long flags;
- int ret = 0;
-
- /* Disable interrupts and save flags. */
- spin_lock_irqsave(&lp->spinlock, flags);
-
- /* Set the level threshold. */
- /* We should complain loudly if wrqu->sens.fixed = 0, because we
- * can't set auto mode... */
- psa.psa_thr_pre_set = wrqu->sens.value & 0x3F;
- psa_write(ioaddr, lp->hacr,
- (char *) &psa.psa_thr_pre_set - (char *) &psa,
- (unsigned char *) &psa.psa_thr_pre_set, 1);
- /* update the Wavelan checksum */
- update_psa_checksum(dev, ioaddr, lp->hacr);
- mmc_out(ioaddr, mmwoff(0, mmw_thr_pre_set),
- psa.psa_thr_pre_set);
-
- /* Enable interrupts and restore flags. */
- spin_unlock_irqrestore(&lp->spinlock, flags);
-
- return ret;
-}
-
-/*------------------------------------------------------------------*/
-/*
- * Wireless Handler : get level threshold
- */
-static int wavelan_get_sens(struct net_device *dev,
- struct iw_request_info *info,
- union iwreq_data *wrqu,
- char *extra)
-{
- unsigned long ioaddr = dev->base_addr;
- net_local *lp = netdev_priv(dev); /* lp is not unused */
- psa_t psa;
- unsigned long flags;
- int ret = 0;
-
- /* Disable interrupts and save flags. */
- spin_lock_irqsave(&lp->spinlock, flags);
-
- /* Read the level threshold. */
- psa_read(ioaddr, lp->hacr,
- (char *) &psa.psa_thr_pre_set - (char *) &psa,
- (unsigned char *) &psa.psa_thr_pre_set, 1);
- wrqu->sens.value = psa.psa_thr_pre_set & 0x3F;
- wrqu->sens.fixed = 1;
-
- /* Enable interrupts and restore flags. */
- spin_unlock_irqrestore(&lp->spinlock, flags);
-
- return ret;
-}
-
-/*------------------------------------------------------------------*/
-/*
- * Wireless Handler : set encryption key
- */
-static int wavelan_set_encode(struct net_device *dev,
- struct iw_request_info *info,
- union iwreq_data *wrqu,
- char *extra)
-{
- unsigned long ioaddr = dev->base_addr;
- net_local *lp = netdev_priv(dev); /* lp is not unused */
- unsigned long flags;
- psa_t psa;
- int ret = 0;
-
- /* Disable interrupts and save flags. */
- spin_lock_irqsave(&lp->spinlock, flags);
-
- /* Check if capable of encryption */
- if (!mmc_encr(ioaddr)) {
- ret = -EOPNOTSUPP;
- }
-
- /* Check the size of the key */
- if((wrqu->encoding.length != 8) && (wrqu->encoding.length != 0)) {
- ret = -EINVAL;
- }
-
- if(!ret) {
- /* Basic checking... */
- if (wrqu->encoding.length == 8) {
- /* Copy the key in the driver */
- memcpy(psa.psa_encryption_key, extra,
- wrqu->encoding.length);
- psa.psa_encryption_select = 1;
-
- psa_write(ioaddr, lp->hacr,
- (char *) &psa.psa_encryption_select -
- (char *) &psa,
- (unsigned char *) &psa.
- psa_encryption_select, 8 + 1);
-
- mmc_out(ioaddr, mmwoff(0, mmw_encr_enable),
- MMW_ENCR_ENABLE_EN | MMW_ENCR_ENABLE_MODE);
- mmc_write(ioaddr, mmwoff(0, mmw_encr_key),
- (unsigned char *) &psa.
- psa_encryption_key, 8);
- }
-
- /* disable encryption */
- if (wrqu->encoding.flags & IW_ENCODE_DISABLED) {
- psa.psa_encryption_select = 0;
- psa_write(ioaddr, lp->hacr,
- (char *) &psa.psa_encryption_select -
- (char *) &psa,
- (unsigned char *) &psa.
- psa_encryption_select, 1);
-
- mmc_out(ioaddr, mmwoff(0, mmw_encr_enable), 0);
- }
- /* update the Wavelan checksum */
- update_psa_checksum(dev, ioaddr, lp->hacr);
- }
-
- /* Enable interrupts and restore flags. */
- spin_unlock_irqrestore(&lp->spinlock, flags);
-
- return ret;
-}
-
-/*------------------------------------------------------------------*/
-/*
- * Wireless Handler : get encryption key
- */
-static int wavelan_get_encode(struct net_device *dev,
- struct iw_request_info *info,
- union iwreq_data *wrqu,
- char *extra)
-{
- unsigned long ioaddr = dev->base_addr;
- net_local *lp = netdev_priv(dev); /* lp is not unused */
- psa_t psa;
- unsigned long flags;
- int ret = 0;
-
- /* Disable interrupts and save flags. */
- spin_lock_irqsave(&lp->spinlock, flags);
-
- /* Check if encryption is available */
- if (!mmc_encr(ioaddr)) {
- ret = -EOPNOTSUPP;
- } else {
- /* Read the encryption key */
- psa_read(ioaddr, lp->hacr,
- (char *) &psa.psa_encryption_select -
- (char *) &psa,
- (unsigned char *) &psa.
- psa_encryption_select, 1 + 8);
-
- /* encryption is enabled ? */
- if (psa.psa_encryption_select)
- wrqu->encoding.flags = IW_ENCODE_ENABLED;
- else
- wrqu->encoding.flags = IW_ENCODE_DISABLED;
- wrqu->encoding.flags |= mmc_encr(ioaddr);
-
- /* Copy the key to the user buffer */
- wrqu->encoding.length = 8;
- memcpy(extra, psa.psa_encryption_key, wrqu->encoding.length);
- }
-
- /* Enable interrupts and restore flags. */
- spin_unlock_irqrestore(&lp->spinlock, flags);
-
- return ret;
-}
-
-/*------------------------------------------------------------------*/
-/*
- * Wireless Handler : get range info
- */
-static int wavelan_get_range(struct net_device *dev,
- struct iw_request_info *info,
- union iwreq_data *wrqu,
- char *extra)
-{
- unsigned long ioaddr = dev->base_addr;
- net_local *lp = netdev_priv(dev); /* lp is not unused */
- struct iw_range *range = (struct iw_range *) extra;
- unsigned long flags;
- int ret = 0;
-
- /* Set the length (very important for backward compatibility) */
- wrqu->data.length = sizeof(struct iw_range);
-
- /* Set all the info we don't care or don't know about to zero */
- memset(range, 0, sizeof(struct iw_range));
-
- /* Set the Wireless Extension versions */
- range->we_version_compiled = WIRELESS_EXT;
- range->we_version_source = 9;
-
- /* Set information in the range struct. */
- range->throughput = 1.6 * 1000 * 1000; /* don't argue on this ! */
- range->min_nwid = 0x0000;
- range->max_nwid = 0xFFFF;
-
- range->sensitivity = 0x3F;
- range->max_qual.qual = MMR_SGNL_QUAL;
- range->max_qual.level = MMR_SIGNAL_LVL;
- range->max_qual.noise = MMR_SILENCE_LVL;
- range->avg_qual.qual = MMR_SGNL_QUAL; /* Always max */
- /* Need to get better values for those two */
- range->avg_qual.level = 30;
- range->avg_qual.noise = 8;
-
- range->num_bitrates = 1;
- range->bitrate[0] = 2000000; /* 2 Mb/s */
-
- /* Event capability (kernel + driver) */
- range->event_capa[0] = (IW_EVENT_CAPA_MASK(0x8B02) |
- IW_EVENT_CAPA_MASK(0x8B04));
- range->event_capa[1] = IW_EVENT_CAPA_K_1;
-
- /* Disable interrupts and save flags. */
- spin_lock_irqsave(&lp->spinlock, flags);
-
- /* Attempt to recognise 2.00 cards (2.4 GHz frequency selectable). */
- if (!(mmc_in(ioaddr, mmroff(0, mmr_fee_status)) &
- (MMR_FEE_STATUS_DWLD | MMR_FEE_STATUS_BUSY))) {
- range->num_channels = 10;
- range->num_frequency = wv_frequency_list(ioaddr, range->freq,
- IW_MAX_FREQUENCIES);
- } else
- range->num_channels = range->num_frequency = 0;
-
- /* Encryption supported ? */
- if (mmc_encr(ioaddr)) {
- range->encoding_size[0] = 8; /* DES = 64 bits key */
- range->num_encoding_sizes = 1;
- range->max_encoding_tokens = 1; /* Only one key possible */
- } else {
- range->num_encoding_sizes = 0;
- range->max_encoding_tokens = 0;
- }
-
- /* Enable interrupts and restore flags. */
- spin_unlock_irqrestore(&lp->spinlock, flags);
-
- return ret;
-}
-
-/*------------------------------------------------------------------*/
-/*
- * Wireless Private Handler : set quality threshold
- */
-static int wavelan_set_qthr(struct net_device *dev,
- struct iw_request_info *info,
- union iwreq_data *wrqu,
- char *extra)
-{
- unsigned long ioaddr = dev->base_addr;
- net_local *lp = netdev_priv(dev); /* lp is not unused */
- psa_t psa;
- unsigned long flags;
-
- /* Disable interrupts and save flags. */
- spin_lock_irqsave(&lp->spinlock, flags);
-
- psa.psa_quality_thr = *(extra) & 0x0F;
- psa_write(ioaddr, lp->hacr,
- (char *) &psa.psa_quality_thr - (char *) &psa,
- (unsigned char *) &psa.psa_quality_thr, 1);
- /* update the Wavelan checksum */
- update_psa_checksum(dev, ioaddr, lp->hacr);
- mmc_out(ioaddr, mmwoff(0, mmw_quality_thr),
- psa.psa_quality_thr);
-
- /* Enable interrupts and restore flags. */
- spin_unlock_irqrestore(&lp->spinlock, flags);
-
- return 0;
-}
-
-/*------------------------------------------------------------------*/
-/*
- * Wireless Private Handler : get quality threshold
- */
-static int wavelan_get_qthr(struct net_device *dev,
- struct iw_request_info *info,
- union iwreq_data *wrqu,
- char *extra)
-{
- unsigned long ioaddr = dev->base_addr;
- net_local *lp = netdev_priv(dev); /* lp is not unused */
- psa_t psa;
- unsigned long flags;
-
- /* Disable interrupts and save flags. */
- spin_lock_irqsave(&lp->spinlock, flags);
-
- psa_read(ioaddr, lp->hacr,
- (char *) &psa.psa_quality_thr - (char *) &psa,
- (unsigned char *) &psa.psa_quality_thr, 1);
- *(extra) = psa.psa_quality_thr & 0x0F;
-
- /* Enable interrupts and restore flags. */
- spin_unlock_irqrestore(&lp->spinlock, flags);
-
- return 0;
-}
-
-#ifdef HISTOGRAM
-/*------------------------------------------------------------------*/
-/*
- * Wireless Private Handler : set histogram
- */
-static int wavelan_set_histo(struct net_device *dev,
- struct iw_request_info *info,
- union iwreq_data *wrqu,
- char *extra)
-{
- net_local *lp = netdev_priv(dev); /* lp is not unused */
-
- /* Check the number of intervals. */
- if (wrqu->data.length > 16) {
- return(-E2BIG);
- }
-
- /* Disable histo while we copy the addresses.
- * As we don't disable interrupts, we need to do this */
- lp->his_number = 0;
-
- /* Are there ranges to copy? */
- if (wrqu->data.length > 0) {
- /* Copy interval ranges to the driver */
- memcpy(lp->his_range, extra, wrqu->data.length);
-
- {
- int i;
- printk(KERN_DEBUG "Histo :");
- for(i = 0; i < wrqu->data.length; i++)
- printk(" %d", lp->his_range[i]);
- printk("\n");
- }
-
- /* Reset result structure. */
- memset(lp->his_sum, 0x00, sizeof(long) * 16);
- }
-
- /* Now we can set the number of ranges */
- lp->his_number = wrqu->data.length;
-
- return(0);
-}
-
-/*------------------------------------------------------------------*/
-/*
- * Wireless Private Handler : get histogram
- */
-static int wavelan_get_histo(struct net_device *dev,
- struct iw_request_info *info,
- union iwreq_data *wrqu,
- char *extra)
-{
- net_local *lp = netdev_priv(dev); /* lp is not unused */
-
- /* Set the number of intervals. */
- wrqu->data.length = lp->his_number;
-
- /* Give back the distribution statistics */
- if(lp->his_number > 0)
- memcpy(extra, lp->his_sum, sizeof(long) * lp->his_number);
-
- return(0);
-}
-#endif /* HISTOGRAM */
-
-/*------------------------------------------------------------------*/
-/*
- * Structures to export the Wireless Handlers
- */
-
-static const iw_handler wavelan_handler[] =
-{
- NULL, /* SIOCSIWNAME */
- wavelan_get_name, /* SIOCGIWNAME */
- wavelan_set_nwid, /* SIOCSIWNWID */
- wavelan_get_nwid, /* SIOCGIWNWID */
- wavelan_set_freq, /* SIOCSIWFREQ */
- wavelan_get_freq, /* SIOCGIWFREQ */
- NULL, /* SIOCSIWMODE */
- NULL, /* SIOCGIWMODE */
- wavelan_set_sens, /* SIOCSIWSENS */
- wavelan_get_sens, /* SIOCGIWSENS */
- NULL, /* SIOCSIWRANGE */
- wavelan_get_range, /* SIOCGIWRANGE */
- NULL, /* SIOCSIWPRIV */
- NULL, /* SIOCGIWPRIV */
- NULL, /* SIOCSIWSTATS */
- NULL, /* SIOCGIWSTATS */
- iw_handler_set_spy, /* SIOCSIWSPY */
- iw_handler_get_spy, /* SIOCGIWSPY */
- iw_handler_set_thrspy, /* SIOCSIWTHRSPY */
- iw_handler_get_thrspy, /* SIOCGIWTHRSPY */
- NULL, /* SIOCSIWAP */
- NULL, /* SIOCGIWAP */
- NULL, /* -- hole -- */
- NULL, /* SIOCGIWAPLIST */
- NULL, /* -- hole -- */
- NULL, /* -- hole -- */
- NULL, /* SIOCSIWESSID */
- NULL, /* SIOCGIWESSID */
- NULL, /* SIOCSIWNICKN */
- NULL, /* SIOCGIWNICKN */
- NULL, /* -- hole -- */
- NULL, /* -- hole -- */
- NULL, /* SIOCSIWRATE */
- NULL, /* SIOCGIWRATE */
- NULL, /* SIOCSIWRTS */
- NULL, /* SIOCGIWRTS */
- NULL, /* SIOCSIWFRAG */
- NULL, /* SIOCGIWFRAG */
- NULL, /* SIOCSIWTXPOW */
- NULL, /* SIOCGIWTXPOW */
- NULL, /* SIOCSIWRETRY */
- NULL, /* SIOCGIWRETRY */
- /* Bummer ! Why those are only at the end ??? */
- wavelan_set_encode, /* SIOCSIWENCODE */
- wavelan_get_encode, /* SIOCGIWENCODE */
-};
-
-static const iw_handler wavelan_private_handler[] =
-{
- wavelan_set_qthr, /* SIOCIWFIRSTPRIV */
- wavelan_get_qthr, /* SIOCIWFIRSTPRIV + 1 */
-#ifdef HISTOGRAM
- wavelan_set_histo, /* SIOCIWFIRSTPRIV + 2 */
- wavelan_get_histo, /* SIOCIWFIRSTPRIV + 3 */
-#endif /* HISTOGRAM */
-};
-
-static const struct iw_priv_args wavelan_private_args[] = {
-/*{ cmd, set_args, get_args, name } */
- { SIOCSIPQTHR, IW_PRIV_TYPE_BYTE | IW_PRIV_SIZE_FIXED | 1, 0, "setqualthr" },
- { SIOCGIPQTHR, 0, IW_PRIV_TYPE_BYTE | IW_PRIV_SIZE_FIXED | 1, "getqualthr" },
- { SIOCSIPHISTO, IW_PRIV_TYPE_BYTE | 16, 0, "sethisto" },
- { SIOCGIPHISTO, 0, IW_PRIV_TYPE_INT | 16, "gethisto" },
-};
-
-static const struct iw_handler_def wavelan_handler_def =
-{
- .num_standard = ARRAY_SIZE(wavelan_handler),
- .num_private = ARRAY_SIZE(wavelan_private_handler),
- .num_private_args = ARRAY_SIZE(wavelan_private_args),
- .standard = wavelan_handler,
- .private = wavelan_private_handler,
- .private_args = wavelan_private_args,
- .get_wireless_stats = wavelan_get_wireless_stats,
-};
-
-/*------------------------------------------------------------------*/
-/*
- * Get wireless statistics.
- * Called by /proc/net/wireless
- */
-static iw_stats *wavelan_get_wireless_stats(struct net_device * dev)
-{
- unsigned long ioaddr = dev->base_addr;
- net_local *lp = netdev_priv(dev);
- mmr_t m;
- iw_stats *wstats;
- unsigned long flags;
-
-#ifdef DEBUG_IOCTL_TRACE
- printk(KERN_DEBUG "%s: ->wavelan_get_wireless_stats()\n",
- dev->name);
-#endif
-
- /* Check */
- if (lp == (net_local *) NULL)
- return (iw_stats *) NULL;
-
- /* Disable interrupts and save flags. */
- spin_lock_irqsave(&lp->spinlock, flags);
-
- wstats = &lp->wstats;
-
- /* Get data from the mmc. */
- mmc_out(ioaddr, mmwoff(0, mmw_freeze), 1);
-
- mmc_read(ioaddr, mmroff(0, mmr_dce_status), &m.mmr_dce_status, 1);
- mmc_read(ioaddr, mmroff(0, mmr_wrong_nwid_l), &m.mmr_wrong_nwid_l,
- 2);
- mmc_read(ioaddr, mmroff(0, mmr_thr_pre_set), &m.mmr_thr_pre_set,
- 4);
-
- mmc_out(ioaddr, mmwoff(0, mmw_freeze), 0);
-
- /* Copy data to wireless stuff. */
- wstats->status = m.mmr_dce_status & MMR_DCE_STATUS;
- wstats->qual.qual = m.mmr_sgnl_qual & MMR_SGNL_QUAL;
- wstats->qual.level = m.mmr_signal_lvl & MMR_SIGNAL_LVL;
- wstats->qual.noise = m.mmr_silence_lvl & MMR_SILENCE_LVL;
- wstats->qual.updated = (((m. mmr_signal_lvl & MMR_SIGNAL_LVL_VALID) >> 7)
- | ((m.mmr_signal_lvl & MMR_SIGNAL_LVL_VALID) >> 6)
- | ((m.mmr_silence_lvl & MMR_SILENCE_LVL_VALID) >> 5));
- wstats->discard.nwid += (m.mmr_wrong_nwid_h << 8) | m.mmr_wrong_nwid_l;
- wstats->discard.code = 0L;
- wstats->discard.misc = 0L;
-
- /* Enable interrupts and restore flags. */
- spin_unlock_irqrestore(&lp->spinlock, flags);
-
-#ifdef DEBUG_IOCTL_TRACE
- printk(KERN_DEBUG "%s: <-wavelan_get_wireless_stats()\n",
- dev->name);
-#endif
- return &lp->wstats;
-}
-
-/************************* PACKET RECEPTION *************************/
-/*
- * This part deals with receiving the packets.
- * The interrupt handler gets an interrupt when a packet has been
- * successfully received and calls this part.
- */
-
-/*------------------------------------------------------------------*/
-/*
- * This routine does the actual copying of data (including the Ethernet
- * header structure) from the WaveLAN card to an sk_buff chain that
- * will be passed up to the network interface layer. NOTE: we
- * currently don't handle trailer protocols (neither does the rest of
- * the network interface), so if that is needed, it will (at least in
- * part) be added here. The contents of the receive ring buffer are
- * copied to a message chain that is then passed to the kernel.
- *
- * Note: if any errors occur, the packet is "dropped on the floor".
- * (called by wv_packet_rcv())
- */
-static void
-wv_packet_read(struct net_device * dev, u16 buf_off, int sksize)
-{
- net_local *lp = netdev_priv(dev);
- unsigned long ioaddr = dev->base_addr;
- struct sk_buff *skb;
-
-#ifdef DEBUG_RX_TRACE
- printk(KERN_DEBUG "%s: ->wv_packet_read(0x%X, %d)\n",
- dev->name, buf_off, sksize);
-#endif
-
- /* Allocate buffer for the data */
- if ((skb = dev_alloc_skb(sksize)) == (struct sk_buff *) NULL) {
-#ifdef DEBUG_RX_ERROR
- printk(KERN_INFO
- "%s: wv_packet_read(): could not alloc_skb(%d, GFP_ATOMIC).\n",
- dev->name, sksize);
-#endif
- dev->stats.rx_dropped++;
- return;
- }
-
- /* Copy the packet to the buffer. */
- obram_read(ioaddr, buf_off, skb_put(skb, sksize), sksize);
- skb->protocol = eth_type_trans(skb, dev);
-
-#ifdef DEBUG_RX_INFO
- wv_packet_info(skb_mac_header(skb), sksize, dev->name,
- "wv_packet_read");
-#endif /* DEBUG_RX_INFO */
-
- /* Statistics-gathering and associated stuff.
- * It seem a bit messy with all the define, but it's really
- * simple... */
- if (
-#ifdef IW_WIRELESS_SPY /* defined in iw_handler.h */
- (lp->spy_data.spy_number > 0) ||
-#endif /* IW_WIRELESS_SPY */
-#ifdef HISTOGRAM
- (lp->his_number > 0) ||
-#endif /* HISTOGRAM */
- 0) {
- u8 stats[3]; /* signal level, noise level, signal quality */
-
- /* Read signal level, silence level and signal quality bytes */
- /* Note: in the PCMCIA hardware, these are part of the frame.
- * It seems that for the ISA hardware, it's nowhere to be
- * found in the frame, so I'm obliged to do this (it has a
- * side effect on /proc/net/wireless).
- * Any ideas?
- */
- mmc_out(ioaddr, mmwoff(0, mmw_freeze), 1);
- mmc_read(ioaddr, mmroff(0, mmr_signal_lvl), stats, 3);
- mmc_out(ioaddr, mmwoff(0, mmw_freeze), 0);
-
-#ifdef DEBUG_RX_INFO
- printk(KERN_DEBUG
- "%s: wv_packet_read(): Signal level %d/63, Silence level %d/63, signal quality %d/16\n",
- dev->name, stats[0] & 0x3F, stats[1] & 0x3F,
- stats[2] & 0x0F);
-#endif
-
- /* Spying stuff */
-#ifdef IW_WIRELESS_SPY
- wl_spy_gather(dev, skb_mac_header(skb) + WAVELAN_ADDR_SIZE,
- stats);
-#endif /* IW_WIRELESS_SPY */
-#ifdef HISTOGRAM
- wl_his_gather(dev, stats);
-#endif /* HISTOGRAM */
- }
-
- /*
- * Hand the packet to the network module.
- */
- netif_rx(skb);
-
- /* Keep statistics up to date */
- dev->stats.rx_packets++;
- dev->stats.rx_bytes += sksize;
-
-#ifdef DEBUG_RX_TRACE
- printk(KERN_DEBUG "%s: <-wv_packet_read()\n", dev->name);
-#endif
-}
-
-/*------------------------------------------------------------------*/
-/*
- * Transfer as many packets as we can
- * from the device RAM.
- * (called in wavelan_interrupt()).
- * Note : the spinlock is already grabbed for us.
- */
-static void wv_receive(struct net_device * dev)
-{
- unsigned long ioaddr = dev->base_addr;
- net_local *lp = netdev_priv(dev);
- fd_t fd;
- rbd_t rbd;
- int nreaped = 0;
-
-#ifdef DEBUG_RX_TRACE
- printk(KERN_DEBUG "%s: ->wv_receive()\n", dev->name);
-#endif
-
- /* Loop on each received packet. */
- for (;;) {
- obram_read(ioaddr, lp->rx_head, (unsigned char *) &fd,
- sizeof(fd));
-
- /* Note about the status :
- * It start up to be 0 (the value we set). Then, when the RU
- * grab the buffer to prepare for reception, it sets the
- * FD_STATUS_B flag. When the RU has finished receiving the
- * frame, it clears FD_STATUS_B, set FD_STATUS_C to indicate
- * completion and set the other flags to indicate the eventual
- * errors. FD_STATUS_OK indicates that the reception was OK.
- */
-
- /* If the current frame is not complete, we have reached the end. */
- if ((fd.fd_status & FD_STATUS_C) != FD_STATUS_C)
- break; /* This is how we exit the loop. */
-
- nreaped++;
-
- /* Check whether frame was correctly received. */
- if ((fd.fd_status & FD_STATUS_OK) == FD_STATUS_OK) {
- /* Does the frame contain a pointer to the data? Let's check. */
- if (fd.fd_rbd_offset != I82586NULL) {
- /* Read the receive buffer descriptor */
- obram_read(ioaddr, fd.fd_rbd_offset,
- (unsigned char *) &rbd,
- sizeof(rbd));
-
-#ifdef DEBUG_RX_ERROR
- if ((rbd.rbd_status & RBD_STATUS_EOF) !=
- RBD_STATUS_EOF) printk(KERN_INFO
- "%s: wv_receive(): missing EOF flag.\n",
- dev->name);
-
- if ((rbd.rbd_status & RBD_STATUS_F) !=
- RBD_STATUS_F) printk(KERN_INFO
- "%s: wv_receive(): missing F flag.\n",
- dev->name);
-#endif /* DEBUG_RX_ERROR */
-
- /* Read the packet and transmit to Linux */
- wv_packet_read(dev, rbd.rbd_bufl,
- rbd.
- rbd_status &
- RBD_STATUS_ACNT);
- }
-#ifdef DEBUG_RX_ERROR
- else /* if frame has no data */
- printk(KERN_INFO
- "%s: wv_receive(): frame has no data.\n",
- dev->name);
-#endif
- } else { /* If reception was no successful */
-
- dev->stats.rx_errors++;
-
-#ifdef DEBUG_RX_INFO
- printk(KERN_DEBUG
- "%s: wv_receive(): frame not received successfully (%X).\n",
- dev->name, fd.fd_status);
-#endif
-
-#ifdef DEBUG_RX_ERROR
- if ((fd.fd_status & FD_STATUS_S6) != 0)
- printk(KERN_INFO
- "%s: wv_receive(): no EOF flag.\n",
- dev->name);
-#endif
-
- if ((fd.fd_status & FD_STATUS_S7) != 0) {
- dev->stats.rx_length_errors++;
-#ifdef DEBUG_RX_FAIL
- printk(KERN_DEBUG
- "%s: wv_receive(): frame too short.\n",
- dev->name);
-#endif
- }
-
- if ((fd.fd_status & FD_STATUS_S8) != 0) {
- dev->stats.rx_over_errors++;
-#ifdef DEBUG_RX_FAIL
- printk(KERN_DEBUG
- "%s: wv_receive(): rx DMA overrun.\n",
- dev->name);
-#endif
- }
-
- if ((fd.fd_status & FD_STATUS_S9) != 0) {
- dev->stats.rx_fifo_errors++;
-#ifdef DEBUG_RX_FAIL
- printk(KERN_DEBUG
- "%s: wv_receive(): ran out of resources.\n",
- dev->name);
-#endif
- }
-
- if ((fd.fd_status & FD_STATUS_S10) != 0) {
- dev->stats.rx_frame_errors++;
-#ifdef DEBUG_RX_FAIL
- printk(KERN_DEBUG
- "%s: wv_receive(): alignment error.\n",
- dev->name);
-#endif
- }
-
- if ((fd.fd_status & FD_STATUS_S11) != 0) {
- dev->stats.rx_crc_errors++;
-#ifdef DEBUG_RX_FAIL
- printk(KERN_DEBUG
- "%s: wv_receive(): CRC error.\n",
- dev->name);
-#endif
- }
- }
-
- fd.fd_status = 0;
- obram_write(ioaddr, fdoff(lp->rx_head, fd_status),
- (unsigned char *) &fd.fd_status,
- sizeof(fd.fd_status));
-
- fd.fd_command = FD_COMMAND_EL;
- obram_write(ioaddr, fdoff(lp->rx_head, fd_command),
- (unsigned char *) &fd.fd_command,
- sizeof(fd.fd_command));
-
- fd.fd_command = 0;
- obram_write(ioaddr, fdoff(lp->rx_last, fd_command),
- (unsigned char *) &fd.fd_command,
- sizeof(fd.fd_command));
-
- lp->rx_last = lp->rx_head;
- lp->rx_head = fd.fd_link_offset;
- } /* for(;;) -> loop on all frames */
-
-#ifdef DEBUG_RX_INFO
- if (nreaped > 1)
- printk(KERN_DEBUG "%s: wv_receive(): reaped %d\n",
- dev->name, nreaped);
-#endif
-#ifdef DEBUG_RX_TRACE
- printk(KERN_DEBUG "%s: <-wv_receive()\n", dev->name);
-#endif
-}
-
-/*********************** PACKET TRANSMISSION ***********************/
-/*
- * This part deals with sending packets through the WaveLAN.
- *
- */
-
-/*------------------------------------------------------------------*/
-/*
- * This routine fills in the appropriate registers and memory
- * locations on the WaveLAN card and starts the card off on
- * the transmit.
- *
- * The principle:
- * Each block contains a transmit command, a NOP command,
- * a transmit block descriptor and a buffer.
- * The CU read the transmit block which point to the tbd,
- * read the tbd and the content of the buffer.
- * When it has finish with it, it goes to the next command
- * which in our case is the NOP. The NOP points on itself,
- * so the CU stop here.
- * When we add the next block, we modify the previous nop
- * to make it point on the new tx command.
- * Simple, isn't it ?
- *
- * (called in wavelan_packet_xmit())
- */
-static int wv_packet_write(struct net_device * dev, void *buf, short length)
-{
- net_local *lp = netdev_priv(dev);
- unsigned long ioaddr = dev->base_addr;
- unsigned short txblock;
- unsigned short txpred;
- unsigned short tx_addr;
- unsigned short nop_addr;
- unsigned short tbd_addr;
- unsigned short buf_addr;
- ac_tx_t tx;
- ac_nop_t nop;
- tbd_t tbd;
- int clen = length;
- unsigned long flags;
-
-#ifdef DEBUG_TX_TRACE
- printk(KERN_DEBUG "%s: ->wv_packet_write(%d)\n", dev->name,
- length);
-#endif
-
- spin_lock_irqsave(&lp->spinlock, flags);
-
- /* Check nothing bad has happened */
- if (lp->tx_n_in_use == (NTXBLOCKS - 1)) {
-#ifdef DEBUG_TX_ERROR
- printk(KERN_INFO "%s: wv_packet_write(): Tx queue full.\n",
- dev->name);
-#endif
- spin_unlock_irqrestore(&lp->spinlock, flags);
- return 1;
- }
-
- /* Calculate addresses of next block and previous block. */
- txblock = lp->tx_first_free;
- txpred = txblock - TXBLOCKZ;
- if (txpred < OFFSET_CU)
- txpred += NTXBLOCKS * TXBLOCKZ;
- lp->tx_first_free += TXBLOCKZ;
- if (lp->tx_first_free >= OFFSET_CU + NTXBLOCKS * TXBLOCKZ)
- lp->tx_first_free -= NTXBLOCKS * TXBLOCKZ;
-
- lp->tx_n_in_use++;
-
- /* Calculate addresses of the different parts of the block. */
- tx_addr = txblock;
- nop_addr = tx_addr + sizeof(tx);
- tbd_addr = nop_addr + sizeof(nop);
- buf_addr = tbd_addr + sizeof(tbd);
-
- /*
- * Transmit command
- */
- tx.tx_h.ac_status = 0;
- obram_write(ioaddr, toff(ac_tx_t, tx_addr, tx_h.ac_status),
- (unsigned char *) &tx.tx_h.ac_status,
- sizeof(tx.tx_h.ac_status));
-
- /*
- * NOP command
- */
- nop.nop_h.ac_status = 0;
- obram_write(ioaddr, toff(ac_nop_t, nop_addr, nop_h.ac_status),
- (unsigned char *) &nop.nop_h.ac_status,
- sizeof(nop.nop_h.ac_status));
- nop.nop_h.ac_link = nop_addr;
- obram_write(ioaddr, toff(ac_nop_t, nop_addr, nop_h.ac_link),
- (unsigned char *) &nop.nop_h.ac_link,
- sizeof(nop.nop_h.ac_link));
-
- /*
- * Transmit buffer descriptor
- */
- tbd.tbd_status = TBD_STATUS_EOF | (TBD_STATUS_ACNT & clen);
- tbd.tbd_next_bd_offset = I82586NULL;
- tbd.tbd_bufl = buf_addr;
- tbd.tbd_bufh = 0;
- obram_write(ioaddr, tbd_addr, (unsigned char *) &tbd, sizeof(tbd));
-
- /*
- * Data
- */
- obram_write(ioaddr, buf_addr, buf, length);
-
- /*
- * Overwrite the predecessor NOP link
- * so that it points to this txblock.
- */
- nop_addr = txpred + sizeof(tx);
- nop.nop_h.ac_status = 0;
- obram_write(ioaddr, toff(ac_nop_t, nop_addr, nop_h.ac_status),
- (unsigned char *) &nop.nop_h.ac_status,
- sizeof(nop.nop_h.ac_status));
- nop.nop_h.ac_link = txblock;
- obram_write(ioaddr, toff(ac_nop_t, nop_addr, nop_h.ac_link),
- (unsigned char *) &nop.nop_h.ac_link,
- sizeof(nop.nop_h.ac_link));
-
- /* Make sure the watchdog will keep quiet for a while */
- dev->trans_start = jiffies;
-
- /* Keep stats up to date. */
- dev->stats.tx_bytes += length;
-
- if (lp->tx_first_in_use == I82586NULL)
- lp->tx_first_in_use = txblock;
-
- if (lp->tx_n_in_use < NTXBLOCKS - 1)
- netif_wake_queue(dev);
-
- spin_unlock_irqrestore(&lp->spinlock, flags);
-
-#ifdef DEBUG_TX_INFO
- wv_packet_info((u8 *) buf, length, dev->name,
- "wv_packet_write");
-#endif /* DEBUG_TX_INFO */
-
-#ifdef DEBUG_TX_TRACE
- printk(KERN_DEBUG "%s: <-wv_packet_write()\n", dev->name);
-#endif
-
- return 0;
-}
-
-/*------------------------------------------------------------------*/
-/*
- * This routine is called when we want to send a packet (NET3 callback)
- * In this routine, we check if the harware is ready to accept
- * the packet. We also prevent reentrance. Then we call the function
- * to send the packet.
- */
-static netdev_tx_t wavelan_packet_xmit(struct sk_buff *skb,
- struct net_device * dev)
-{
- net_local *lp = netdev_priv(dev);
- unsigned long flags;
- char data[ETH_ZLEN];
-
-#ifdef DEBUG_TX_TRACE
- printk(KERN_DEBUG "%s: ->wavelan_packet_xmit(0x%X)\n", dev->name,
- (unsigned) skb);
-#endif
-
- /*
- * Block a timer-based transmit from overlapping.
- * In other words, prevent reentering this routine.
- */
- netif_stop_queue(dev);
-
- /* If somebody has asked to reconfigure the controller,
- * we can do it now.
- */
- if (lp->reconfig_82586) {
- spin_lock_irqsave(&lp->spinlock, flags);
- wv_82586_config(dev);
- spin_unlock_irqrestore(&lp->spinlock, flags);
- /* Check that we can continue */
- if (lp->tx_n_in_use == (NTXBLOCKS - 1))
- return NETDEV_TX_BUSY;
- }
-
- /* Do we need some padding? */
- /* Note : on wireless the propagation time is in the order of 1us,
- * and we don't have the Ethernet specific requirement of beeing
- * able to detect collisions, therefore in theory we don't really
- * need to pad. Jean II */
- if (skb->len < ETH_ZLEN) {
- memset(data, 0, ETH_ZLEN);
- skb_copy_from_linear_data(skb, data, skb->len);
- /* Write packet on the card */
- if(wv_packet_write(dev, data, ETH_ZLEN))
- return NETDEV_TX_BUSY; /* We failed */
- }
- else if(wv_packet_write(dev, skb->data, skb->len))
- return NETDEV_TX_BUSY; /* We failed */
-
-
- dev_kfree_skb(skb);
-
-#ifdef DEBUG_TX_TRACE
- printk(KERN_DEBUG "%s: <-wavelan_packet_xmit()\n", dev->name);
-#endif
- return NETDEV_TX_OK;
-}
-
-/*********************** HARDWARE CONFIGURATION ***********************/
-/*
- * This part does the real job of starting and configuring the hardware.
- */
-
-/*--------------------------------------------------------------------*/
-/*
- * Routine to initialize the Modem Management Controller.
- * (called by wv_hw_reset())
- */
-static int wv_mmc_init(struct net_device * dev)
-{
- unsigned long ioaddr = dev->base_addr;
- net_local *lp = netdev_priv(dev);
- psa_t psa;
- mmw_t m;
- int configured;
-
-#ifdef DEBUG_CONFIG_TRACE
- printk(KERN_DEBUG "%s: ->wv_mmc_init()\n", dev->name);
-#endif
-
- /* Read the parameter storage area. */
- psa_read(ioaddr, lp->hacr, 0, (unsigned char *) &psa, sizeof(psa));
-
-#ifdef USE_PSA_CONFIG
- configured = psa.psa_conf_status & 1;
-#else
- configured = 0;
-#endif
-
- /* Is the PSA is not configured */
- if (!configured) {
- /* User will be able to configure NWID later (with iwconfig). */
- psa.psa_nwid[0] = 0;
- psa.psa_nwid[1] = 0;
-
- /* no NWID checking since NWID is not set */
- psa.psa_nwid_select = 0;
-
- /* Disable encryption */
- psa.psa_encryption_select = 0;
-
- /* Set to standard values:
- * 0x04 for AT,
- * 0x01 for MCA,
- * 0x04 for PCMCIA and 2.00 card (AT&T 407-024689/E document)
- */
- if (psa.psa_comp_number & 1)
- psa.psa_thr_pre_set = 0x01;
- else
- psa.psa_thr_pre_set = 0x04;
- psa.psa_quality_thr = 0x03;
-
- /* It is configured */
- psa.psa_conf_status |= 1;
-
-#ifdef USE_PSA_CONFIG
- /* Write the psa. */
- psa_write(ioaddr, lp->hacr,
- (char *) psa.psa_nwid - (char *) &psa,
- (unsigned char *) psa.psa_nwid, 4);
- psa_write(ioaddr, lp->hacr,
- (char *) &psa.psa_thr_pre_set - (char *) &psa,
- (unsigned char *) &psa.psa_thr_pre_set, 1);
- psa_write(ioaddr, lp->hacr,
- (char *) &psa.psa_quality_thr - (char *) &psa,
- (unsigned char *) &psa.psa_quality_thr, 1);
- psa_write(ioaddr, lp->hacr,
- (char *) &psa.psa_conf_status - (char *) &psa,
- (unsigned char *) &psa.psa_conf_status, 1);
- /* update the Wavelan checksum */
- update_psa_checksum(dev, ioaddr, lp->hacr);
-#endif
- }
-
- /* Zero the mmc structure. */
- memset(&m, 0x00, sizeof(m));
-
- /* Copy PSA info to the mmc. */
- m.mmw_netw_id_l = psa.psa_nwid[1];
- m.mmw_netw_id_h = psa.psa_nwid[0];
-
- if (psa.psa_nwid_select & 1)
- m.mmw_loopt_sel = 0x00;
- else
- m.mmw_loopt_sel = MMW_LOOPT_SEL_DIS_NWID;
-
- memcpy(&m.mmw_encr_key, &psa.psa_encryption_key,
- sizeof(m.mmw_encr_key));
-
- if (psa.psa_encryption_select)
- m.mmw_encr_enable =
- MMW_ENCR_ENABLE_EN | MMW_ENCR_ENABLE_MODE;
- else
- m.mmw_encr_enable = 0;
-
- m.mmw_thr_pre_set = psa.psa_thr_pre_set & 0x3F;
- m.mmw_quality_thr = psa.psa_quality_thr & 0x0F;
-
- /*
- * Set default modem control parameters.
- * See NCR document 407-0024326 Rev. A.
- */
- m.mmw_jabber_enable = 0x01;
- m.mmw_freeze = 0;
- m.mmw_anten_sel = MMW_ANTEN_SEL_ALG_EN;
- m.mmw_ifs = 0x20;
- m.mmw_mod_delay = 0x04;
- m.mmw_jam_time = 0x38;
-
- m.mmw_des_io_invert = 0;
- m.mmw_decay_prm = 0;
- m.mmw_decay_updat_prm = 0;
-
- /* Write all info to MMC. */
- mmc_write(ioaddr, 0, (u8 *) & m, sizeof(m));
-
- /* The following code starts the modem of the 2.00 frequency
- * selectable cards at power on. It's not strictly needed for the
- * following boots.
- * The original patch was by Joe Finney for the PCMCIA driver, but
- * I've cleaned it up a bit and added documentation.
- * Thanks to Loeke Brederveld from Lucent for the info.
- */
-
- /* Attempt to recognise 2.00 cards (2.4 GHz frequency selectable)
- * Does it work for everybody, especially old cards? */
- /* Note: WFREQSEL verifies that it is able to read a sensible
- * frequency from EEPROM (address 0x00) and that MMR_FEE_STATUS_ID
- * is 0xA (Xilinx version) or 0xB (Ariadne version).
- * My test is more crude but does work. */
- if (!(mmc_in(ioaddr, mmroff(0, mmr_fee_status)) &
- (MMR_FEE_STATUS_DWLD | MMR_FEE_STATUS_BUSY))) {
- /* We must download the frequency parameters to the
- * synthesizers (from the EEPROM - area 1)
- * Note: as the EEPROM is automatically decremented, we set the end
- * if the area... */
- m.mmw_fee_addr = 0x0F;
- m.mmw_fee_ctrl = MMW_FEE_CTRL_READ | MMW_FEE_CTRL_DWLD;
- mmc_write(ioaddr, (char *) &m.mmw_fee_ctrl - (char *) &m,
- (unsigned char *) &m.mmw_fee_ctrl, 2);
-
- /* Wait until the download is finished. */
- fee_wait(ioaddr, 100, 100);
-
-#ifdef DEBUG_CONFIG_INFO
- /* The frequency was in the last word downloaded. */
- mmc_read(ioaddr, (char *) &m.mmw_fee_data_l - (char *) &m,
- (unsigned char *) &m.mmw_fee_data_l, 2);
-
- /* Print some info for the user. */
- printk(KERN_DEBUG
- "%s: WaveLAN 2.00 recognised (frequency select). Current frequency = %ld\n",
- dev->name,
- ((m.
- mmw_fee_data_h << 4) | (m.mmw_fee_data_l >> 4)) *
- 5 / 2 + 24000L);
-#endif
-
- /* We must now download the power adjust value (gain) to
- * the synthesizers (from the EEPROM - area 7 - DAC). */
- m.mmw_fee_addr = 0x61;
- m.mmw_fee_ctrl = MMW_FEE_CTRL_READ | MMW_FEE_CTRL_DWLD;
- mmc_write(ioaddr, (char *) &m.mmw_fee_ctrl - (char *) &m,
- (unsigned char *) &m.mmw_fee_ctrl, 2);
-
- /* Wait until the download is finished. */
- }
- /* if 2.00 card */
-#ifdef DEBUG_CONFIG_TRACE
- printk(KERN_DEBUG "%s: <-wv_mmc_init()\n", dev->name);
-#endif
- return 0;
-}
-
-/*------------------------------------------------------------------*/
-/*
- * Construct the fd and rbd structures.
- * Start the receive unit.
- * (called by wv_hw_reset())
- */
-static int wv_ru_start(struct net_device * dev)
-{
- net_local *lp = netdev_priv(dev);
- unsigned long ioaddr = dev->base_addr;
- u16 scb_cs;
- fd_t fd;
- rbd_t rbd;
- u16 rx;
- u16 rx_next;
- int i;
-
-#ifdef DEBUG_CONFIG_TRACE
- printk(KERN_DEBUG "%s: ->wv_ru_start()\n", dev->name);
-#endif
-
- obram_read(ioaddr, scboff(OFFSET_SCB, scb_status),
- (unsigned char *) &scb_cs, sizeof(scb_cs));
- if ((scb_cs & SCB_ST_RUS) == SCB_ST_RUS_RDY)
- return 0;
-
- lp->rx_head = OFFSET_RU;
-
- for (i = 0, rx = lp->rx_head; i < NRXBLOCKS; i++, rx = rx_next) {
- rx_next =
- (i == NRXBLOCKS - 1) ? lp->rx_head : rx + RXBLOCKZ;
-
- fd.fd_status = 0;
- fd.fd_command = (i == NRXBLOCKS - 1) ? FD_COMMAND_EL : 0;
- fd.fd_link_offset = rx_next;
- fd.fd_rbd_offset = rx + sizeof(fd);
- obram_write(ioaddr, rx, (unsigned char *) &fd, sizeof(fd));
-
- rbd.rbd_status = 0;
- rbd.rbd_next_rbd_offset = I82586NULL;
- rbd.rbd_bufl = rx + sizeof(fd) + sizeof(rbd);
- rbd.rbd_bufh = 0;
- rbd.rbd_el_size = RBD_EL | (RBD_SIZE & MAXDATAZ);
- obram_write(ioaddr, rx + sizeof(fd),
- (unsigned char *) &rbd, sizeof(rbd));
-
- lp->rx_last = rx;
- }
-
- obram_write(ioaddr, scboff(OFFSET_SCB, scb_rfa_offset),
- (unsigned char *) &lp->rx_head, sizeof(lp->rx_head));
-
- scb_cs = SCB_CMD_RUC_GO;
- obram_write(ioaddr, scboff(OFFSET_SCB, scb_command),
- (unsigned char *) &scb_cs, sizeof(scb_cs));
-
- set_chan_attn(ioaddr, lp->hacr);
-
- for (i = 1000; i > 0; i--) {
- obram_read(ioaddr, scboff(OFFSET_SCB, scb_command),
- (unsigned char *) &scb_cs, sizeof(scb_cs));
- if (scb_cs == 0)
- break;
-
- udelay(10);
- }
-
- if (i <= 0) {
-#ifdef DEBUG_CONFIG_ERROR
- printk(KERN_INFO
- "%s: wavelan_ru_start(): board not accepting command.\n",
- dev->name);
-#endif
- return -1;
- }
-#ifdef DEBUG_CONFIG_TRACE
- printk(KERN_DEBUG "%s: <-wv_ru_start()\n", dev->name);
-#endif
- return 0;
-}
-
-/*------------------------------------------------------------------*/
-/*
- * Initialise the transmit blocks.
- * Start the command unit executing the NOP
- * self-loop of the first transmit block.
- *
- * Here we create the list of send buffers used to transmit packets
- * between the PC and the command unit. For each buffer, we create a
- * buffer descriptor (pointing on the buffer), a transmit command
- * (pointing to the buffer descriptor) and a NOP command.
- * The transmit command is linked to the NOP, and the NOP to itself.
- * When we will have finished executing the transmit command, we will
- * then loop on the NOP. By releasing the NOP link to a new command,
- * we may send another buffer.
- *
- * (called by wv_hw_reset())
- */
-static int wv_cu_start(struct net_device * dev)
-{
- net_local *lp = netdev_priv(dev);
- unsigned long ioaddr = dev->base_addr;
- int i;
- u16 txblock;
- u16 first_nop;
- u16 scb_cs;
-
-#ifdef DEBUG_CONFIG_TRACE
- printk(KERN_DEBUG "%s: ->wv_cu_start()\n", dev->name);
-#endif
-
- lp->tx_first_free = OFFSET_CU;
- lp->tx_first_in_use = I82586NULL;
-
- for (i = 0, txblock = OFFSET_CU;
- i < NTXBLOCKS; i++, txblock += TXBLOCKZ) {
- ac_tx_t tx;
- ac_nop_t nop;
- tbd_t tbd;
- unsigned short tx_addr;
- unsigned short nop_addr;
- unsigned short tbd_addr;
- unsigned short buf_addr;
-
- tx_addr = txblock;
- nop_addr = tx_addr + sizeof(tx);
- tbd_addr = nop_addr + sizeof(nop);
- buf_addr = tbd_addr + sizeof(tbd);
-
- tx.tx_h.ac_status = 0;
- tx.tx_h.ac_command = acmd_transmit | AC_CFLD_I;
- tx.tx_h.ac_link = nop_addr;
- tx.tx_tbd_offset = tbd_addr;
- obram_write(ioaddr, tx_addr, (unsigned char *) &tx,
- sizeof(tx));
-
- nop.nop_h.ac_status = 0;
- nop.nop_h.ac_command = acmd_nop;
- nop.nop_h.ac_link = nop_addr;
- obram_write(ioaddr, nop_addr, (unsigned char *) &nop,
- sizeof(nop));
-
- tbd.tbd_status = TBD_STATUS_EOF;
- tbd.tbd_next_bd_offset = I82586NULL;
- tbd.tbd_bufl = buf_addr;
- tbd.tbd_bufh = 0;
- obram_write(ioaddr, tbd_addr, (unsigned char *) &tbd,
- sizeof(tbd));
- }
-
- first_nop =
- OFFSET_CU + (NTXBLOCKS - 1) * TXBLOCKZ + sizeof(ac_tx_t);
- obram_write(ioaddr, scboff(OFFSET_SCB, scb_cbl_offset),
- (unsigned char *) &first_nop, sizeof(first_nop));
-
- scb_cs = SCB_CMD_CUC_GO;
- obram_write(ioaddr, scboff(OFFSET_SCB, scb_command),
- (unsigned char *) &scb_cs, sizeof(scb_cs));
-
- set_chan_attn(ioaddr, lp->hacr);
-
- for (i = 1000; i > 0; i--) {
- obram_read(ioaddr, scboff(OFFSET_SCB, scb_command),
- (unsigned char *) &scb_cs, sizeof(scb_cs));
- if (scb_cs == 0)
- break;
-
- udelay(10);
- }
-
- if (i <= 0) {
-#ifdef DEBUG_CONFIG_ERROR
- printk(KERN_INFO
- "%s: wavelan_cu_start(): board not accepting command.\n",
- dev->name);
-#endif
- return -1;
- }
-
- lp->tx_n_in_use = 0;
- netif_start_queue(dev);
-#ifdef DEBUG_CONFIG_TRACE
- printk(KERN_DEBUG "%s: <-wv_cu_start()\n", dev->name);
-#endif
- return 0;
-}
-
-/*------------------------------------------------------------------*/
-/*
- * This routine does a standard configuration of the WaveLAN
- * controller (i82586).
- *
- * It initialises the scp, iscp and scb structure
- * The first two are just pointers to the next.
- * The last one is used for basic configuration and for basic
- * communication (interrupt status).
- *
- * (called by wv_hw_reset())
- */
-static int wv_82586_start(struct net_device * dev)
-{
- net_local *lp = netdev_priv(dev);
- unsigned long ioaddr = dev->base_addr;
- scp_t scp; /* system configuration pointer */
- iscp_t iscp; /* intermediate scp */
- scb_t scb; /* system control block */
- ach_t cb; /* Action command header */
- u8 zeroes[512];
- int i;
-
-#ifdef DEBUG_CONFIG_TRACE
- printk(KERN_DEBUG "%s: ->wv_82586_start()\n", dev->name);
-#endif
-
- /*
- * Clear the onboard RAM.
- */
- memset(&zeroes[0], 0x00, sizeof(zeroes));
- for (i = 0; i < I82586_MEMZ; i += sizeof(zeroes))
- obram_write(ioaddr, i, &zeroes[0], sizeof(zeroes));
-
- /*
- * Construct the command unit structures:
- * scp, iscp, scb, cb.
- */
- memset(&scp, 0x00, sizeof(scp));
- scp.scp_sysbus = SCP_SY_16BBUS;
- scp.scp_iscpl = OFFSET_ISCP;
- obram_write(ioaddr, OFFSET_SCP, (unsigned char *) &scp,
- sizeof(scp));
-
- memset(&iscp, 0x00, sizeof(iscp));
- iscp.iscp_busy = 1;
- iscp.iscp_offset = OFFSET_SCB;
- obram_write(ioaddr, OFFSET_ISCP, (unsigned char *) &iscp,
- sizeof(iscp));
-
- /* Our first command is to reset the i82586. */
- memset(&scb, 0x00, sizeof(scb));
- scb.scb_command = SCB_CMD_RESET;
- scb.scb_cbl_offset = OFFSET_CU;
- scb.scb_rfa_offset = OFFSET_RU;
- obram_write(ioaddr, OFFSET_SCB, (unsigned char *) &scb,
- sizeof(scb));
-
- set_chan_attn(ioaddr, lp->hacr);
-
- /* Wait for command to finish. */
- for (i = 1000; i > 0; i--) {
- obram_read(ioaddr, OFFSET_ISCP, (unsigned char *) &iscp,
- sizeof(iscp));
-
- if (iscp.iscp_busy == (unsigned short) 0)
- break;
-
- udelay(10);
- }
-
- if (i <= 0) {
-#ifdef DEBUG_CONFIG_ERROR
- printk(KERN_INFO
- "%s: wv_82586_start(): iscp_busy timeout.\n",
- dev->name);
-#endif
- return -1;
- }
-
- /* Check command completion. */
- for (i = 15; i > 0; i--) {
- obram_read(ioaddr, OFFSET_SCB, (unsigned char *) &scb,
- sizeof(scb));
-
- if (scb.scb_status == (SCB_ST_CX | SCB_ST_CNA))
- break;
-
- udelay(10);
- }
-
- if (i <= 0) {
-#ifdef DEBUG_CONFIG_ERROR
- printk(KERN_INFO
- "%s: wv_82586_start(): status: expected 0x%02x, got 0x%02x.\n",
- dev->name, SCB_ST_CX | SCB_ST_CNA, scb.scb_status);
-#endif
- return -1;
- }
-
- wv_ack(dev);
-
- /* Set the action command header. */
- memset(&cb, 0x00, sizeof(cb));
- cb.ac_command = AC_CFLD_EL | (AC_CFLD_CMD & acmd_diagnose);
- cb.ac_link = OFFSET_CU;
- obram_write(ioaddr, OFFSET_CU, (unsigned char *) &cb, sizeof(cb));
-
- if (wv_synchronous_cmd(dev, "diag()") == -1)
- return -1;
-
- obram_read(ioaddr, OFFSET_CU, (unsigned char *) &cb, sizeof(cb));
- if (cb.ac_status & AC_SFLD_FAIL) {
-#ifdef DEBUG_CONFIG_ERROR
- printk(KERN_INFO
- "%s: wv_82586_start(): i82586 Self Test failed.\n",
- dev->name);
-#endif
- return -1;
- }
-#ifdef DEBUG_I82586_SHOW
- wv_scb_show(ioaddr);
-#endif
-
-#ifdef DEBUG_CONFIG_TRACE
- printk(KERN_DEBUG "%s: <-wv_82586_start()\n", dev->name);
-#endif
- return 0;
-}
-
-/*------------------------------------------------------------------*/
-/*
- * This routine does a standard configuration of the WaveLAN
- * controller (i82586).
- *
- * This routine is a violent hack. We use the first free transmit block
- * to make our configuration. In the buffer area, we create the three
- * configuration commands (linked). We make the previous NOP point to
- * the beginning of the buffer instead of the tx command. After, we go
- * as usual to the NOP command.
- * Note that only the last command (mc_set) will generate an interrupt.
- *
- * (called by wv_hw_reset(), wv_82586_reconfig(), wavelan_packet_xmit())
- */
-static void wv_82586_config(struct net_device * dev)
-{
- net_local *lp = netdev_priv(dev);
- unsigned long ioaddr = dev->base_addr;
- unsigned short txblock;
- unsigned short txpred;
- unsigned short tx_addr;
- unsigned short nop_addr;
- unsigned short tbd_addr;
- unsigned short cfg_addr;
- unsigned short ias_addr;
- unsigned short mcs_addr;
- ac_tx_t tx;
- ac_nop_t nop;
- ac_cfg_t cfg; /* Configure action */
- ac_ias_t ias; /* IA-setup action */
- ac_mcs_t mcs; /* Multicast setup */
- struct dev_mc_list *dmi;
-
-#ifdef DEBUG_CONFIG_TRACE
- printk(KERN_DEBUG "%s: ->wv_82586_config()\n", dev->name);
-#endif
-
- /* Check nothing bad has happened */
- if (lp->tx_n_in_use == (NTXBLOCKS - 1)) {
-#ifdef DEBUG_CONFIG_ERROR
- printk(KERN_INFO "%s: wv_82586_config(): Tx queue full.\n",
- dev->name);
-#endif
- return;
- }
-
- /* Calculate addresses of next block and previous block. */
- txblock = lp->tx_first_free;
- txpred = txblock - TXBLOCKZ;
- if (txpred < OFFSET_CU)
- txpred += NTXBLOCKS * TXBLOCKZ;
- lp->tx_first_free += TXBLOCKZ;
- if (lp->tx_first_free >= OFFSET_CU + NTXBLOCKS * TXBLOCKZ)
- lp->tx_first_free -= NTXBLOCKS * TXBLOCKZ;
-
- lp->tx_n_in_use++;
-
- /* Calculate addresses of the different parts of the block. */
- tx_addr = txblock;
- nop_addr = tx_addr + sizeof(tx);
- tbd_addr = nop_addr + sizeof(nop);
- cfg_addr = tbd_addr + sizeof(tbd_t); /* beginning of the buffer */
- ias_addr = cfg_addr + sizeof(cfg);
- mcs_addr = ias_addr + sizeof(ias);
-
- /*
- * Transmit command
- */
- tx.tx_h.ac_status = 0xFFFF; /* Fake completion value */
- obram_write(ioaddr, toff(ac_tx_t, tx_addr, tx_h.ac_status),
- (unsigned char *) &tx.tx_h.ac_status,
- sizeof(tx.tx_h.ac_status));
-
- /*
- * NOP command
- */
- nop.nop_h.ac_status = 0;
- obram_write(ioaddr, toff(ac_nop_t, nop_addr, nop_h.ac_status),
- (unsigned char *) &nop.nop_h.ac_status,
- sizeof(nop.nop_h.ac_status));
- nop.nop_h.ac_link = nop_addr;
- obram_write(ioaddr, toff(ac_nop_t, nop_addr, nop_h.ac_link),
- (unsigned char *) &nop.nop_h.ac_link,
- sizeof(nop.nop_h.ac_link));
-
- /* Create a configure action. */
- memset(&cfg, 0x00, sizeof(cfg));
-
- /*
- * For Linux we invert AC_CFG_ALOC() so as to conform
- * to the way that net packets reach us from above.
- * (See also ac_tx_t.)
- *
- * Updated from Wavelan Manual WCIN085B
- */
- cfg.cfg_byte_cnt =
- AC_CFG_BYTE_CNT(sizeof(ac_cfg_t) - sizeof(ach_t));
- cfg.cfg_fifolim = AC_CFG_FIFOLIM(4);
- cfg.cfg_byte8 = AC_CFG_SAV_BF(1) | AC_CFG_SRDY(0);
- cfg.cfg_byte9 = AC_CFG_ELPBCK(0) |
- AC_CFG_ILPBCK(0) |
- AC_CFG_PRELEN(AC_CFG_PLEN_2) |
- AC_CFG_ALOC(1) | AC_CFG_ADDRLEN(WAVELAN_ADDR_SIZE);
- cfg.cfg_byte10 = AC_CFG_BOFMET(1) |
- AC_CFG_ACR(6) | AC_CFG_LINPRIO(0);
- cfg.cfg_ifs = 0x20;
- cfg.cfg_slotl = 0x0C;
- cfg.cfg_byte13 = AC_CFG_RETRYNUM(15) | AC_CFG_SLTTMHI(0);
- cfg.cfg_byte14 = AC_CFG_FLGPAD(0) |
- AC_CFG_BTSTF(0) |
- AC_CFG_CRC16(0) |
- AC_CFG_NCRC(0) |
- AC_CFG_TNCRS(1) |
- AC_CFG_MANCH(0) |
- AC_CFG_BCDIS(0) | AC_CFG_PRM(lp->promiscuous);
- cfg.cfg_byte15 = AC_CFG_ICDS(0) |
- AC_CFG_CDTF(0) | AC_CFG_ICSS(0) | AC_CFG_CSTF(0);
-/*
- cfg.cfg_min_frm_len = AC_CFG_MNFRM(64);
-*/
- cfg.cfg_min_frm_len = AC_CFG_MNFRM(8);
-
- cfg.cfg_h.ac_command = (AC_CFLD_CMD & acmd_configure);
- cfg.cfg_h.ac_link = ias_addr;
- obram_write(ioaddr, cfg_addr, (unsigned char *) &cfg, sizeof(cfg));
-
- /* Set up the MAC address */
- memset(&ias, 0x00, sizeof(ias));
- ias.ias_h.ac_command = (AC_CFLD_CMD & acmd_ia_setup);
- ias.ias_h.ac_link = mcs_addr;
- memcpy(&ias.ias_addr[0], (unsigned char *) &dev->dev_addr[0],
- sizeof(ias.ias_addr));
- obram_write(ioaddr, ias_addr, (unsigned char *) &ias, sizeof(ias));
-
- /* Initialize adapter's Ethernet multicast addresses */
- memset(&mcs, 0x00, sizeof(mcs));
- mcs.mcs_h.ac_command = AC_CFLD_I | (AC_CFLD_CMD & acmd_mc_setup);
- mcs.mcs_h.ac_link = nop_addr;
- mcs.mcs_cnt = WAVELAN_ADDR_SIZE * lp->mc_count;
- obram_write(ioaddr, mcs_addr, (unsigned char *) &mcs, sizeof(mcs));
-
- /* Any address to set? */
- if (lp->mc_count) {
- for (dmi = dev->mc_list; dmi; dmi = dmi->next)
- outsw(PIOP1(ioaddr), (u16 *) dmi->dmi_addr,
- WAVELAN_ADDR_SIZE >> 1);
-
-#ifdef DEBUG_CONFIG_INFO
- printk(KERN_DEBUG
- "%s: wv_82586_config(): set %d multicast addresses:\n",
- dev->name, lp->mc_count);
- for (dmi = dev->mc_list; dmi; dmi = dmi->next)
- printk(KERN_DEBUG " %pM\n", dmi->dmi_addr);
-#endif
- }
-
- /*
- * Overwrite the predecessor NOP link
- * so that it points to the configure action.
- */
- nop_addr = txpred + sizeof(tx);
- nop.nop_h.ac_status = 0;
- obram_write(ioaddr, toff(ac_nop_t, nop_addr, nop_h.ac_status),
- (unsigned char *) &nop.nop_h.ac_status,
- sizeof(nop.nop_h.ac_status));
- nop.nop_h.ac_link = cfg_addr;
- obram_write(ioaddr, toff(ac_nop_t, nop_addr, nop_h.ac_link),
- (unsigned char *) &nop.nop_h.ac_link,
- sizeof(nop.nop_h.ac_link));
-
- /* Job done, clear the flag */
- lp->reconfig_82586 = 0;
-
- if (lp->tx_first_in_use == I82586NULL)
- lp->tx_first_in_use = txblock;
-
- if (lp->tx_n_in_use == (NTXBLOCKS - 1))
- netif_stop_queue(dev);
-
-#ifdef DEBUG_CONFIG_TRACE
- printk(KERN_DEBUG "%s: <-wv_82586_config()\n", dev->name);
-#endif
-}
-
-/*------------------------------------------------------------------*/
-/*
- * This routine, called by wavelan_close(), gracefully stops the
- * WaveLAN controller (i82586).
- * (called by wavelan_close())
- */
-static void wv_82586_stop(struct net_device * dev)
-{
- net_local *lp = netdev_priv(dev);
- unsigned long ioaddr = dev->base_addr;
- u16 scb_cmd;
-
-#ifdef DEBUG_CONFIG_TRACE
- printk(KERN_DEBUG "%s: ->wv_82586_stop()\n", dev->name);
-#endif
-
- /* Suspend both command unit and receive unit. */
- scb_cmd =
- (SCB_CMD_CUC & SCB_CMD_CUC_SUS) | (SCB_CMD_RUC &
- SCB_CMD_RUC_SUS);
- obram_write(ioaddr, scboff(OFFSET_SCB, scb_command),
- (unsigned char *) &scb_cmd, sizeof(scb_cmd));
- set_chan_attn(ioaddr, lp->hacr);
-
- /* No more interrupts */
- wv_ints_off(dev);
-
-#ifdef DEBUG_CONFIG_TRACE
- printk(KERN_DEBUG "%s: <-wv_82586_stop()\n", dev->name);
-#endif
-}
-
-/*------------------------------------------------------------------*/
-/*
- * Totally reset the WaveLAN and restart it.
- * Performs the following actions:
- * 1. A power reset (reset DMA)
- * 2. Initialize the radio modem (using wv_mmc_init)
- * 3. Reset & Configure LAN controller (using wv_82586_start)
- * 4. Start the LAN controller's command unit
- * 5. Start the LAN controller's receive unit
- * (called by wavelan_interrupt(), wavelan_watchdog() & wavelan_open())
- */
-static int wv_hw_reset(struct net_device * dev)
-{
- net_local *lp = netdev_priv(dev);
- unsigned long ioaddr = dev->base_addr;
-
-#ifdef DEBUG_CONFIG_TRACE
- printk(KERN_DEBUG "%s: ->wv_hw_reset(dev=0x%x)\n", dev->name,
- (unsigned int) dev);
-#endif
-
- /* Increase the number of resets done. */
- lp->nresets++;
-
- wv_hacr_reset(ioaddr);
- lp->hacr = HACR_DEFAULT;
-
- if ((wv_mmc_init(dev) < 0) || (wv_82586_start(dev) < 0))
- return -1;
-
- /* Enable the card to send interrupts. */
- wv_ints_on(dev);
-
- /* Start card functions */
- if (wv_cu_start(dev) < 0)
- return -1;
-
- /* Setup the controller and parameters */
- wv_82586_config(dev);
-
- /* Finish configuration with the receive unit */
- if (wv_ru_start(dev) < 0)
- return -1;
-
-#ifdef DEBUG_CONFIG_TRACE
- printk(KERN_DEBUG "%s: <-wv_hw_reset()\n", dev->name);
-#endif
- return 0;
-}
-
-/*------------------------------------------------------------------*/
-/*
- * Check if there is a WaveLAN at the specific base address.
- * As a side effect, this reads the MAC address.
- * (called in wavelan_probe() and init_module())
- */
-static int wv_check_ioaddr(unsigned long ioaddr, u8 * mac)
-{
- int i; /* Loop counter */
-
- /* Check if the base address if available. */
- if (!request_region(ioaddr, sizeof(ha_t), "wavelan probe"))
- return -EBUSY; /* ioaddr already used */
-
- /* Reset host interface */
- wv_hacr_reset(ioaddr);
-
- /* Read the MAC address from the parameter storage area. */
- psa_read(ioaddr, HACR_DEFAULT, psaoff(0, psa_univ_mac_addr),
- mac, 6);
-
- release_region(ioaddr, sizeof(ha_t));
-
- /*
- * Check the first three octets of the address for the manufacturer's code.
- * Note: if this can't find your WaveLAN card, you've got a
- * non-NCR/AT&T/Lucent ISA card. See wavelan.p.h for detail on
- * how to configure your card.
- */
- for (i = 0; i < ARRAY_SIZE(MAC_ADDRESSES); i++)
- if ((mac[0] == MAC_ADDRESSES[i][0]) &&
- (mac[1] == MAC_ADDRESSES[i][1]) &&
- (mac[2] == MAC_ADDRESSES[i][2]))
- return 0;
-
-#ifdef DEBUG_CONFIG_INFO
- printk(KERN_WARNING
- "WaveLAN (0x%3X): your MAC address might be %02X:%02X:%02X.\n",
- ioaddr, mac[0], mac[1], mac[2]);
-#endif
- return -ENODEV;
-}
-
-/************************ INTERRUPT HANDLING ************************/
-
-/*
- * This function is the interrupt handler for the WaveLAN card. This
- * routine will be called whenever:
- */
-static irqreturn_t wavelan_interrupt(int irq, void *dev_id)
-{
- struct net_device *dev;
- unsigned long ioaddr;
- net_local *lp;
- u16 hasr;
- u16 status;
- u16 ack_cmd;
-
- dev = dev_id;
-
-#ifdef DEBUG_INTERRUPT_TRACE
- printk(KERN_DEBUG "%s: ->wavelan_interrupt()\n", dev->name);
-#endif
-
- lp = netdev_priv(dev);
- ioaddr = dev->base_addr;
-
-#ifdef DEBUG_INTERRUPT_INFO
- /* Check state of our spinlock */
- if(spin_is_locked(&lp->spinlock))
- printk(KERN_DEBUG
- "%s: wavelan_interrupt(): spinlock is already locked !!!\n",
- dev->name);
-#endif
-
- /* Prevent reentrancy. We need to do that because we may have
- * multiple interrupt handler running concurrently.
- * It is safe because interrupts are disabled before acquiring
- * the spinlock. */
- spin_lock(&lp->spinlock);
-
- /* We always had spurious interrupts at startup, but lately I
- * saw them comming *between* the request_irq() and the
- * spin_lock_irqsave() in wavelan_open(), so the spinlock
- * protection is no enough.
- * So, we also check lp->hacr that will tell us is we enabled
- * irqs or not (see wv_ints_on()).
- * We can't use netif_running(dev) because we depend on the
- * proper processing of the irq generated during the config. */
-
- /* Which interrupt it is ? */
- hasr = hasr_read(ioaddr);
-
-#ifdef DEBUG_INTERRUPT_INFO
- printk(KERN_INFO
- "%s: wavelan_interrupt(): hasr 0x%04x; hacr 0x%04x.\n",
- dev->name, hasr, lp->hacr);
-#endif
-
- /* Check modem interrupt */
- if ((hasr & HASR_MMC_INTR) && (lp->hacr & HACR_MMC_INT_ENABLE)) {
- u8 dce_status;
-
- /*
- * Interrupt from the modem management controller.
- * This will clear it -- ignored for now.
- */
- mmc_read(ioaddr, mmroff(0, mmr_dce_status), &dce_status,
- sizeof(dce_status));
-
-#ifdef DEBUG_INTERRUPT_ERROR
- printk(KERN_INFO
- "%s: wavelan_interrupt(): unexpected mmc interrupt: status 0x%04x.\n",
- dev->name, dce_status);
-#endif
- }
-
- /* Check if not controller interrupt */
- if (((hasr & HASR_82586_INTR) == 0) ||
- ((lp->hacr & HACR_82586_INT_ENABLE) == 0)) {
-#ifdef DEBUG_INTERRUPT_ERROR
- printk(KERN_INFO
- "%s: wavelan_interrupt(): interrupt not coming from i82586 - hasr 0x%04x.\n",
- dev->name, hasr);
-#endif
- spin_unlock (&lp->spinlock);
- return IRQ_NONE;
- }
-
- /* Read interrupt data. */
- obram_read(ioaddr, scboff(OFFSET_SCB, scb_status),
- (unsigned char *) &status, sizeof(status));
-
- /*
- * Acknowledge the interrupt(s).
- */
- ack_cmd = status & SCB_ST_INT;
- obram_write(ioaddr, scboff(OFFSET_SCB, scb_command),
- (unsigned char *) &ack_cmd, sizeof(ack_cmd));
- set_chan_attn(ioaddr, lp->hacr);
-
-#ifdef DEBUG_INTERRUPT_INFO
- printk(KERN_DEBUG "%s: wavelan_interrupt(): status 0x%04x.\n",
- dev->name, status);
-#endif
-
- /* Command completed. */
- if ((status & SCB_ST_CX) == SCB_ST_CX) {
-#ifdef DEBUG_INTERRUPT_INFO
- printk(KERN_DEBUG
- "%s: wavelan_interrupt(): command completed.\n",
- dev->name);
-#endif
- wv_complete(dev, ioaddr, lp);
- }
-
- /* Frame received. */
- if ((status & SCB_ST_FR) == SCB_ST_FR) {
-#ifdef DEBUG_INTERRUPT_INFO
- printk(KERN_DEBUG
- "%s: wavelan_interrupt(): received packet.\n",
- dev->name);
-#endif
- wv_receive(dev);
- }
-
- /* Check the state of the command unit. */
- if (((status & SCB_ST_CNA) == SCB_ST_CNA) ||
- (((status & SCB_ST_CUS) != SCB_ST_CUS_ACTV) &&
- (netif_running(dev)))) {
-#ifdef DEBUG_INTERRUPT_ERROR
- printk(KERN_INFO
- "%s: wavelan_interrupt(): CU inactive -- restarting\n",
- dev->name);
-#endif
- wv_hw_reset(dev);
- }
-
- /* Check the state of the command unit. */
- if (((status & SCB_ST_RNR) == SCB_ST_RNR) ||
- (((status & SCB_ST_RUS) != SCB_ST_RUS_RDY) &&
- (netif_running(dev)))) {
-#ifdef DEBUG_INTERRUPT_ERROR
- printk(KERN_INFO
- "%s: wavelan_interrupt(): RU not ready -- restarting\n",
- dev->name);
-#endif
- wv_hw_reset(dev);
- }
-
- /* Release spinlock */
- spin_unlock (&lp->spinlock);
-
-#ifdef DEBUG_INTERRUPT_TRACE
- printk(KERN_DEBUG "%s: <-wavelan_interrupt()\n", dev->name);
-#endif
- return IRQ_HANDLED;
-}
-
-/*------------------------------------------------------------------*/
-/*
- * Watchdog: when we start a transmission, a timer is set for us in the
- * kernel. If the transmission completes, this timer is disabled. If
- * the timer expires, we are called and we try to unlock the hardware.
- */
-static void wavelan_watchdog(struct net_device * dev)
-{
- net_local *lp = netdev_priv(dev);
- u_long ioaddr = dev->base_addr;
- unsigned long flags;
- unsigned int nreaped;
-
-#ifdef DEBUG_INTERRUPT_TRACE
- printk(KERN_DEBUG "%s: ->wavelan_watchdog()\n", dev->name);
-#endif
-
-#ifdef DEBUG_INTERRUPT_ERROR
- printk(KERN_INFO "%s: wavelan_watchdog: watchdog timer expired\n",
- dev->name);
-#endif
-
- /* Check that we came here for something */
- if (lp->tx_n_in_use <= 0) {
- return;
- }
-
- spin_lock_irqsave(&lp->spinlock, flags);
-
- /* Try to see if some buffers are not free (in case we missed
- * an interrupt */
- nreaped = wv_complete(dev, ioaddr, lp);
-
-#ifdef DEBUG_INTERRUPT_INFO
- printk(KERN_DEBUG
- "%s: wavelan_watchdog(): %d reaped, %d remain.\n",
- dev->name, nreaped, lp->tx_n_in_use);
-#endif
-
-#ifdef DEBUG_PSA_SHOW
- {
- psa_t psa;
- psa_read(dev, 0, (unsigned char *) &psa, sizeof(psa));
- wv_psa_show(&psa);
- }
-#endif
-#ifdef DEBUG_MMC_SHOW
- wv_mmc_show(dev);
-#endif
-#ifdef DEBUG_I82586_SHOW
- wv_cu_show(dev);
-#endif
-
- /* If no buffer has been freed */
- if (nreaped == 0) {
-#ifdef DEBUG_INTERRUPT_ERROR
- printk(KERN_INFO
- "%s: wavelan_watchdog(): cleanup failed, trying reset\n",
- dev->name);
-#endif
- wv_hw_reset(dev);
- }
-
- /* At this point, we should have some free Tx buffer ;-) */
- if (lp->tx_n_in_use < NTXBLOCKS - 1)
- netif_wake_queue(dev);
-
- spin_unlock_irqrestore(&lp->spinlock, flags);
-
-#ifdef DEBUG_INTERRUPT_TRACE
- printk(KERN_DEBUG "%s: <-wavelan_watchdog()\n", dev->name);
-#endif
-}
-
-/********************* CONFIGURATION CALLBACKS *********************/
-/*
- * Here are the functions called by the Linux networking code (NET3)
- * for initialization, configuration and deinstallations of the
- * WaveLAN ISA hardware.
- */
-
-/*------------------------------------------------------------------*/
-/*
- * Configure and start up the WaveLAN PCMCIA adaptor.
- * Called by NET3 when it "opens" the device.
- */
-static int wavelan_open(struct net_device * dev)
-{
- net_local *lp = netdev_priv(dev);
- unsigned long flags;
-
-#ifdef DEBUG_CALLBACK_TRACE
- printk(KERN_DEBUG "%s: ->wavelan_open(dev=0x%x)\n", dev->name,
- (unsigned int) dev);
-#endif
-
- /* Check irq */
- if (dev->irq == 0) {
-#ifdef DEBUG_CONFIG_ERROR
- printk(KERN_WARNING "%s: wavelan_open(): no IRQ\n",
- dev->name);
-#endif
- return -ENXIO;
- }
-
- if (request_irq(dev->irq, &wavelan_interrupt, 0, "WaveLAN", dev) != 0)
- {
-#ifdef DEBUG_CONFIG_ERROR
- printk(KERN_WARNING "%s: wavelan_open(): invalid IRQ\n",
- dev->name);
-#endif
- return -EAGAIN;
- }
-
- spin_lock_irqsave(&lp->spinlock, flags);
-
- if (wv_hw_reset(dev) != -1) {
- netif_start_queue(dev);
- } else {
- free_irq(dev->irq, dev);
-#ifdef DEBUG_CONFIG_ERROR
- printk(KERN_INFO
- "%s: wavelan_open(): impossible to start the card\n",
- dev->name);
-#endif
- spin_unlock_irqrestore(&lp->spinlock, flags);
- return -EAGAIN;
- }
- spin_unlock_irqrestore(&lp->spinlock, flags);
-
-#ifdef DEBUG_CALLBACK_TRACE
- printk(KERN_DEBUG "%s: <-wavelan_open()\n", dev->name);
-#endif
- return 0;
-}
-
-/*------------------------------------------------------------------*/
-/*
- * Shut down the WaveLAN ISA card.
- * Called by NET3 when it "closes" the device.
- */
-static int wavelan_close(struct net_device * dev)
-{
- net_local *lp = netdev_priv(dev);
- unsigned long flags;
-
-#ifdef DEBUG_CALLBACK_TRACE
- printk(KERN_DEBUG "%s: ->wavelan_close(dev=0x%x)\n", dev->name,
- (unsigned int) dev);
-#endif
-
- netif_stop_queue(dev);
-
- /*
- * Flush the Tx and disable Rx.
- */
- spin_lock_irqsave(&lp->spinlock, flags);
- wv_82586_stop(dev);
- spin_unlock_irqrestore(&lp->spinlock, flags);
-
- free_irq(dev->irq, dev);
-
-#ifdef DEBUG_CALLBACK_TRACE
- printk(KERN_DEBUG "%s: <-wavelan_close()\n", dev->name);
-#endif
- return 0;
-}
-
-static const struct net_device_ops wavelan_netdev_ops = {
- .ndo_open = wavelan_open,
- .ndo_stop = wavelan_close,
- .ndo_start_xmit = wavelan_packet_xmit,
- .ndo_set_multicast_list = wavelan_set_multicast_list,
- .ndo_tx_timeout = wavelan_watchdog,
- .ndo_change_mtu = eth_change_mtu,
- .ndo_validate_addr = eth_validate_addr,
-#ifdef SET_MAC_ADDRESS
- .ndo_set_mac_address = wavelan_set_mac_address
-#else
- .ndo_set_mac_address = eth_mac_addr,
-#endif
-};
-
-
-/*------------------------------------------------------------------*/
-/*
- * Probe an I/O address, and if the WaveLAN is there configure the
- * device structure
- * (called by wavelan_probe() and via init_module()).
- */
-static int __init wavelan_config(struct net_device *dev, unsigned short ioaddr)
-{
- u8 irq_mask;
- int irq;
- net_local *lp;
- mac_addr mac;
- int err;
-
- if (!request_region(ioaddr, sizeof(ha_t), "wavelan"))
- return -EADDRINUSE;
-
- err = wv_check_ioaddr(ioaddr, mac);
- if (err)
- goto out;
-
- memcpy(dev->dev_addr, mac, 6);
-
- dev->base_addr = ioaddr;
-
-#ifdef DEBUG_CALLBACK_TRACE
- printk(KERN_DEBUG "%s: ->wavelan_config(dev=0x%x, ioaddr=0x%lx)\n",
- dev->name, (unsigned int) dev, ioaddr);
-#endif
-
- /* Check IRQ argument on command line. */
- if (dev->irq != 0) {
- irq_mask = wv_irq_to_psa(dev->irq);
-
- if (irq_mask == 0) {
-#ifdef DEBUG_CONFIG_ERROR
- printk(KERN_WARNING
- "%s: wavelan_config(): invalid IRQ %d ignored.\n",
- dev->name, dev->irq);
-#endif
- dev->irq = 0;
- } else {
-#ifdef DEBUG_CONFIG_INFO
- printk(KERN_DEBUG
- "%s: wavelan_config(): changing IRQ to %d\n",
- dev->name, dev->irq);
-#endif
- psa_write(ioaddr, HACR_DEFAULT,
- psaoff(0, psa_int_req_no), &irq_mask, 1);
- /* update the Wavelan checksum */
- update_psa_checksum(dev, ioaddr, HACR_DEFAULT);
- wv_hacr_reset(ioaddr);
- }
- }
-
- psa_read(ioaddr, HACR_DEFAULT, psaoff(0, psa_int_req_no),
- &irq_mask, 1);
- if ((irq = wv_psa_to_irq(irq_mask)) == -1) {
-#ifdef DEBUG_CONFIG_ERROR
- printk(KERN_INFO
- "%s: wavelan_config(): could not wavelan_map_irq(%d).\n",
- dev->name, irq_mask);
-#endif
- err = -EAGAIN;
- goto out;
- }
-
- dev->irq = irq;
-
- dev->mem_start = 0x0000;
- dev->mem_end = 0x0000;
- dev->if_port = 0;
-
- /* Initialize device structures */
- memset(netdev_priv(dev), 0, sizeof(net_local));
- lp = netdev_priv(dev);
-
- /* Back link to the device structure. */
- lp->dev = dev;
- /* Add the device at the beginning of the linked list. */
- lp->next = wavelan_list;
- wavelan_list = lp;
-
- lp->hacr = HACR_DEFAULT;
-
- /* Multicast stuff */
- lp->promiscuous = 0;
- lp->mc_count = 0;
-
- /* Init spinlock */
- spin_lock_init(&lp->spinlock);
-
- dev->netdev_ops = &wavelan_netdev_ops;
- dev->watchdog_timeo = WATCHDOG_JIFFIES;
- dev->wireless_handlers = &wavelan_handler_def;
- lp->wireless_data.spy_data = &lp->spy_data;
- dev->wireless_data = &lp->wireless_data;
-
- dev->mtu = WAVELAN_MTU;
-
- /* Display nice information. */
- wv_init_info(dev);
-
-#ifdef DEBUG_CALLBACK_TRACE
- printk(KERN_DEBUG "%s: <-wavelan_config()\n", dev->name);
-#endif
- return 0;
-out:
- release_region(ioaddr, sizeof(ha_t));
- return err;
-}
-
-/*------------------------------------------------------------------*/
-/*
- * Check for a network adaptor of this type. Return '0' iff one
- * exists. There seem to be different interpretations of
- * the initial value of dev->base_addr.
- * We follow the example in drivers/net/ne.c.
- * (called in "Space.c")
- */
-struct net_device * __init wavelan_probe(int unit)
-{
- struct net_device *dev;
- short base_addr;
- int def_irq;
- int i;
- int r = 0;
-
- /* compile-time check the sizes of structures */
- BUILD_BUG_ON(sizeof(psa_t) != PSA_SIZE);
- BUILD_BUG_ON(sizeof(mmw_t) != MMW_SIZE);
- BUILD_BUG_ON(sizeof(mmr_t) != MMR_SIZE);
- BUILD_BUG_ON(sizeof(ha_t) != HA_SIZE);
-
- dev = alloc_etherdev(sizeof(net_local));
- if (!dev)
- return ERR_PTR(-ENOMEM);
-
- sprintf(dev->name, "eth%d", unit);
- netdev_boot_setup_check(dev);
- base_addr = dev->base_addr;
- def_irq = dev->irq;
-
-#ifdef DEBUG_CALLBACK_TRACE
- printk(KERN_DEBUG
- "%s: ->wavelan_probe(dev=%p (base_addr=0x%x))\n",
- dev->name, dev, (unsigned int) dev->base_addr);
-#endif
-
- /* Don't probe at all. */
- if (base_addr < 0) {
-#ifdef DEBUG_CONFIG_ERROR
- printk(KERN_WARNING
- "%s: wavelan_probe(): invalid base address\n",
- dev->name);
-#endif
- r = -ENXIO;
- } else if (base_addr > 0x100) { /* Check a single specified location. */
- r = wavelan_config(dev, base_addr);
-#ifdef DEBUG_CONFIG_INFO
- if (r != 0)
- printk(KERN_DEBUG
- "%s: wavelan_probe(): no device at specified base address (0x%X) or address already in use\n",
- dev->name, base_addr);
-#endif
-
-#ifdef DEBUG_CALLBACK_TRACE
- printk(KERN_DEBUG "%s: <-wavelan_probe()\n", dev->name);
-#endif
- } else { /* Scan all possible addresses of the WaveLAN hardware. */
- for (i = 0; i < ARRAY_SIZE(iobase); i++) {
- dev->irq = def_irq;
- if (wavelan_config(dev, iobase[i]) == 0) {
-#ifdef DEBUG_CALLBACK_TRACE
- printk(KERN_DEBUG
- "%s: <-wavelan_probe()\n",
- dev->name);
-#endif
- break;
- }
- }
- if (i == ARRAY_SIZE(iobase))
- r = -ENODEV;
- }
- if (r)
- goto out;
- r = register_netdev(dev);
- if (r)
- goto out1;
- return dev;
-out1:
- release_region(dev->base_addr, sizeof(ha_t));
- wavelan_list = wavelan_list->next;
-out:
- free_netdev(dev);
- return ERR_PTR(r);
-}
-
-/****************************** MODULE ******************************/
-/*
- * Module entry point: insertion and removal
- */
-
-#ifdef MODULE
-/*------------------------------------------------------------------*/
-/*
- * Insertion of the module
- * I'm now quite proud of the multi-device support.
- */
-int __init init_module(void)
-{
- int ret = -EIO; /* Return error if no cards found */
- int i;
-
-#ifdef DEBUG_MODULE_TRACE
- printk(KERN_DEBUG "-> init_module()\n");
-#endif
-
- /* If probing is asked */
- if (io[0] == 0) {
-#ifdef DEBUG_CONFIG_ERROR
- printk(KERN_WARNING
- "WaveLAN init_module(): doing device probing (bad !)\n");
- printk(KERN_WARNING
- "Specify base addresses while loading module to correct the problem\n");
-#endif
-
- /* Copy the basic set of address to be probed. */
- for (i = 0; i < ARRAY_SIZE(iobase); i++)
- io[i] = iobase[i];
- }
-
-
- /* Loop on all possible base addresses. */
- for (i = 0; i < ARRAY_SIZE(io) && io[i] != 0; i++) {
- struct net_device *dev = alloc_etherdev(sizeof(net_local));
- if (!dev)
- break;
- if (name[i])
- strcpy(dev->name, name[i]); /* Copy name */
- dev->base_addr = io[i];
- dev->irq = irq[i];
-
- /* Check if there is something at this base address. */
- if (wavelan_config(dev, io[i]) == 0) {
- if (register_netdev(dev) != 0) {
- release_region(dev->base_addr, sizeof(ha_t));
- wavelan_list = wavelan_list->next;
- } else {
- ret = 0;
- continue;
- }
- }
- free_netdev(dev);
- }
-
-#ifdef DEBUG_CONFIG_ERROR
- if (!wavelan_list)
- printk(KERN_WARNING
- "WaveLAN init_module(): no device found\n");
-#endif
-
-#ifdef DEBUG_MODULE_TRACE
- printk(KERN_DEBUG "<- init_module()\n");
-#endif
- return ret;
-}
-
-/*------------------------------------------------------------------*/
-/*
- * Removal of the module
- */
-void cleanup_module(void)
-{
-#ifdef DEBUG_MODULE_TRACE
- printk(KERN_DEBUG "-> cleanup_module()\n");
-#endif
-
- /* Loop on all devices and release them. */
- while (wavelan_list) {
- struct net_device *dev = wavelan_list->dev;
-
-#ifdef DEBUG_CONFIG_INFO
- printk(KERN_DEBUG
- "%s: cleanup_module(): removing device at 0x%x\n",
- dev->name, (unsigned int) dev);
-#endif
- unregister_netdev(dev);
-
- release_region(dev->base_addr, sizeof(ha_t));
- wavelan_list = wavelan_list->next;
-
- free_netdev(dev);
- }
-
-#ifdef DEBUG_MODULE_TRACE
- printk(KERN_DEBUG "<- cleanup_module()\n");
-#endif
-}
-#endif /* MODULE */
-MODULE_LICENSE("GPL");
-
-/*
- * This software may only be used and distributed
- * according to the terms of the GNU General Public License.
- *
- * This software was developed as a component of the
- * Linux operating system.
- * It is based on other device drivers and information
- * either written or supplied by:
- * Ajay Bakre (bakre@paul.rutgers.edu),
- * Donald Becker (becker@scyld.com),
- * Loeke Brederveld (Loeke.Brederveld@Utrecht.NCR.com),
- * Anders Klemets (klemets@it.kth.se),
- * Vladimir V. Kolpakov (w@stier.koenig.ru),
- * Marc Meertens (Marc.Meertens@Utrecht.NCR.com),
- * Pauline Middelink (middelin@polyware.iaf.nl),
- * Robert Morris (rtm@das.harvard.edu),
- * Jean Tourrilhes (jt@hplb.hpl.hp.com),
- * Girish Welling (welling@paul.rutgers.edu),
- *
- * Thanks go also to:
- * James Ashton (jaa101@syseng.anu.edu.au),
- * Alan Cox (alan@lxorguk.ukuu.org.uk),
- * Allan Creighton (allanc@cs.usyd.edu.au),
- * Matthew Geier (matthew@cs.usyd.edu.au),
- * Remo di Giovanni (remo@cs.usyd.edu.au),
- * Eckhard Grah (grah@wrcs1.urz.uni-wuppertal.de),
- * Vipul Gupta (vgupta@cs.binghamton.edu),
- * Mark Hagan (mhagan@wtcpost.daytonoh.NCR.COM),
- * Tim Nicholson (tim@cs.usyd.edu.au),
- * Ian Parkin (ian@cs.usyd.edu.au),
- * John Rosenberg (johnr@cs.usyd.edu.au),
- * George Rossi (george@phm.gov.au),
- * Arthur Scott (arthur@cs.usyd.edu.au),
- * Peter Storey,
- * for their assistance and advice.
- *
- * Please send bug reports, updates, comments to:
- *
- * Bruce Janson Email: bruce@cs.usyd.edu.au
- * Basser Department of Computer Science Phone: +61-2-9351-3423
- * University of Sydney, N.S.W., 2006, AUSTRALIA Fax: +61-2-9351-3838
- */
+++ /dev/null
-/*
- * WaveLAN ISA driver
- *
- * Jean II - HPLB '96
- *
- * Reorganisation and extension of the driver.
- * Original copyright follows. See wavelan.p.h for details.
- *
- * This file contains the declarations for the WaveLAN hardware. Note that
- * the WaveLAN ISA includes a i82586 controller (see definitions in
- * file i82586.h).
- *
- * The main difference between the ISA hardware and the PCMCIA one is
- * the Ethernet controller (i82586 instead of i82593).
- * The i82586 allows multiple transmit buffers. The PSA needs to be accessed
- * through the host interface.
- */
-
-#ifndef _WAVELAN_H
-#define _WAVELAN_H
-
-/************************** MAGIC NUMBERS ***************************/
-
-/* Detection of the WaveLAN card is done by reading the MAC
- * address from the card and checking it. If you have a non-AT&T
- * product (OEM, like DEC RoamAbout, Digital Ocean, or Epson),
- * you might need to modify this part to accommodate your hardware.
- */
-static const char MAC_ADDRESSES[][3] =
-{
- { 0x08, 0x00, 0x0E }, /* AT&T WaveLAN (standard) & DEC RoamAbout */
- { 0x08, 0x00, 0x6A }, /* AT&T WaveLAN (alternate) */
- { 0x00, 0x00, 0xE1 }, /* Hitachi Wavelan */
- { 0x00, 0x60, 0x1D } /* Lucent Wavelan (another one) */
- /* Add your card here and send me the patch! */
-};
-
-#define WAVELAN_ADDR_SIZE 6 /* Size of a MAC address */
-
-#define WAVELAN_MTU 1500 /* Maximum size of WaveLAN packet */
-
-#define MAXDATAZ (WAVELAN_ADDR_SIZE + WAVELAN_ADDR_SIZE + 2 + WAVELAN_MTU)
-
-/*
- * Constants used to convert channels to frequencies
- */
-
-/* Frequency available in the 2.0 modem, in units of 250 kHz
- * (as read in the offset register of the dac area).
- * Used to map channel numbers used by `wfreqsel' to frequencies
- */
-static const short channel_bands[] = { 0x30, 0x58, 0x64, 0x7A, 0x80, 0xA8,
- 0xD0, 0xF0, 0xF8, 0x150 };
-
-/* Frequencies of the 1.0 modem (fixed frequencies).
- * Use to map the PSA `subband' to a frequency
- * Note : all frequencies apart from the first one need to be multiplied by 10
- */
-static const int fixed_bands[] = { 915e6, 2.425e8, 2.46e8, 2.484e8, 2.4305e8 };
-
-
-
-/*************************** PC INTERFACE ****************************/
-
-/*
- * Host Adaptor structure.
- * (base is board port address).
- */
-typedef union hacs_u hacs_u;
-union hacs_u
-{
- unsigned short hu_command; /* Command register */
-#define HACR_RESET 0x0001 /* Reset board */
-#define HACR_CA 0x0002 /* Set Channel Attention for 82586 */
-#define HACR_16BITS 0x0004 /* 16-bit operation (0 => 8bits) */
-#define HACR_OUT0 0x0008 /* General purpose output pin 0 */
- /* not used - must be 1 */
-#define HACR_OUT1 0x0010 /* General purpose output pin 1 */
- /* not used - must be 1 */
-#define HACR_82586_INT_ENABLE 0x0020 /* Enable 82586 interrupts */
-#define HACR_MMC_INT_ENABLE 0x0040 /* Enable MMC interrupts */
-#define HACR_INTR_CLR_ENABLE 0x0080 /* Enable interrupt status read/clear */
- unsigned short hu_status; /* Status Register */
-#define HASR_82586_INTR 0x0001 /* Interrupt request from 82586 */
-#define HASR_MMC_INTR 0x0002 /* Interrupt request from MMC */
-#define HASR_MMC_BUSY 0x0004 /* MMC busy indication */
-#define HASR_PSA_BUSY 0x0008 /* LAN parameter storage area busy */
-} __attribute__ ((packed));
-
-typedef struct ha_t ha_t;
-struct ha_t
-{
- hacs_u ha_cs; /* Command and status registers */
-#define ha_command ha_cs.hu_command
-#define ha_status ha_cs.hu_status
- unsigned short ha_mmcr; /* Modem Management Ctrl Register */
- unsigned short ha_pior0; /* Program I/O Address Register Port 0 */
- unsigned short ha_piop0; /* Program I/O Port 0 */
- unsigned short ha_pior1; /* Program I/O Address Register Port 1 */
- unsigned short ha_piop1; /* Program I/O Port 1 */
- unsigned short ha_pior2; /* Program I/O Address Register Port 2 */
- unsigned short ha_piop2; /* Program I/O Port 2 */
-};
-
-#define HA_SIZE 16
-
-#define hoff(p,f) (unsigned short)((void *)(&((ha_t *)((void *)0 + (p)))->f) - (void *)0)
-#define HACR(p) hoff(p, ha_command)
-#define HASR(p) hoff(p, ha_status)
-#define MMCR(p) hoff(p, ha_mmcr)
-#define PIOR0(p) hoff(p, ha_pior0)
-#define PIOP0(p) hoff(p, ha_piop0)
-#define PIOR1(p) hoff(p, ha_pior1)
-#define PIOP1(p) hoff(p, ha_piop1)
-#define PIOR2(p) hoff(p, ha_pior2)
-#define PIOP2(p) hoff(p, ha_piop2)
-
-/*
- * Program I/O Mode Register values.
- */
-#define STATIC_PIO 0 /* Mode 1: static mode */
- /* RAM access ??? */
-#define AUTOINCR_PIO 1 /* Mode 2: auto increment mode */
- /* RAM access ??? */
-#define AUTODECR_PIO 2 /* Mode 3: auto decrement mode */
- /* RAM access ??? */
-#define PARAM_ACCESS_PIO 3 /* Mode 4: LAN parameter access mode */
- /* Parameter access. */
-#define PIO_MASK 3 /* register mask */
-#define PIOM(cmd,piono) ((u_short)cmd << 10 << (piono * 2))
-
-#define HACR_DEFAULT (HACR_OUT0 | HACR_OUT1 | HACR_16BITS | PIOM(STATIC_PIO, 0) | PIOM(AUTOINCR_PIO, 1) | PIOM(PARAM_ACCESS_PIO, 2))
-#define HACR_INTRON (HACR_82586_INT_ENABLE | HACR_MMC_INT_ENABLE | HACR_INTR_CLR_ENABLE)
-
-/************************** MEMORY LAYOUT **************************/
-
-/*
- * Onboard 64 k RAM layout.
- * (Offsets from 0x0000.)
- */
-#define OFFSET_RU 0x0000 /* 75% memory */
-#define OFFSET_CU 0xC000 /* 25% memory */
-#define OFFSET_SCB (OFFSET_ISCP - sizeof(scb_t))
-#define OFFSET_ISCP (OFFSET_SCP - sizeof(iscp_t))
-#define OFFSET_SCP I82586_SCP_ADDR
-
-#define RXBLOCKZ (sizeof(fd_t) + sizeof(rbd_t) + MAXDATAZ)
-#define TXBLOCKZ (sizeof(ac_tx_t) + sizeof(ac_nop_t) + sizeof(tbd_t) + MAXDATAZ)
-
-#define NRXBLOCKS ((OFFSET_CU - OFFSET_RU) / RXBLOCKZ)
-#define NTXBLOCKS ((OFFSET_SCB - OFFSET_CU) / TXBLOCKZ)
-
-/********************** PARAMETER STORAGE AREA **********************/
-
-/*
- * Parameter Storage Area (PSA).
- */
-typedef struct psa_t psa_t;
-struct psa_t
-{
- unsigned char psa_io_base_addr_1; /* [0x00] Base address 1 ??? */
- unsigned char psa_io_base_addr_2; /* [0x01] Base address 2 */
- unsigned char psa_io_base_addr_3; /* [0x02] Base address 3 */
- unsigned char psa_io_base_addr_4; /* [0x03] Base address 4 */
- unsigned char psa_rem_boot_addr_1; /* [0x04] Remote Boot Address 1 */
- unsigned char psa_rem_boot_addr_2; /* [0x05] Remote Boot Address 2 */
- unsigned char psa_rem_boot_addr_3; /* [0x06] Remote Boot Address 3 */
- unsigned char psa_holi_params; /* [0x07] HOst Lan Interface (HOLI) Parameters */
- unsigned char psa_int_req_no; /* [0x08] Interrupt Request Line */
- unsigned char psa_unused0[7]; /* [0x09-0x0F] unused */
-
- unsigned char psa_univ_mac_addr[WAVELAN_ADDR_SIZE]; /* [0x10-0x15] Universal (factory) MAC Address */
- unsigned char psa_local_mac_addr[WAVELAN_ADDR_SIZE]; /* [0x16-1B] Local MAC Address */
- unsigned char psa_univ_local_sel; /* [0x1C] Universal Local Selection */
-#define PSA_UNIVERSAL 0 /* Universal (factory) */
-#define PSA_LOCAL 1 /* Local */
- unsigned char psa_comp_number; /* [0x1D] Compatibility Number: */
-#define PSA_COMP_PC_AT_915 0 /* PC-AT 915 MHz */
-#define PSA_COMP_PC_MC_915 1 /* PC-MC 915 MHz */
-#define PSA_COMP_PC_AT_2400 2 /* PC-AT 2.4 GHz */
-#define PSA_COMP_PC_MC_2400 3 /* PC-MC 2.4 GHz */
-#define PSA_COMP_PCMCIA_915 4 /* PCMCIA 915 MHz or 2.0 */
- unsigned char psa_thr_pre_set; /* [0x1E] Modem Threshold Preset */
- unsigned char psa_feature_select; /* [0x1F] Call code required (1=on) */
-#define PSA_FEATURE_CALL_CODE 0x01 /* Call code required (Japan) */
- unsigned char psa_subband; /* [0x20] Subband */
-#define PSA_SUBBAND_915 0 /* 915 MHz or 2.0 */
-#define PSA_SUBBAND_2425 1 /* 2425 MHz */
-#define PSA_SUBBAND_2460 2 /* 2460 MHz */
-#define PSA_SUBBAND_2484 3 /* 2484 MHz */
-#define PSA_SUBBAND_2430_5 4 /* 2430.5 MHz */
- unsigned char psa_quality_thr; /* [0x21] Modem Quality Threshold */
- unsigned char psa_mod_delay; /* [0x22] Modem Delay (?) (reserved) */
- unsigned char psa_nwid[2]; /* [0x23-0x24] Network ID */
- unsigned char psa_nwid_select; /* [0x25] Network ID Select On/Off */
- unsigned char psa_encryption_select; /* [0x26] Encryption On/Off */
- unsigned char psa_encryption_key[8]; /* [0x27-0x2E] Encryption Key */
- unsigned char psa_databus_width; /* [0x2F] AT bus width select 8/16 */
- unsigned char psa_call_code[8]; /* [0x30-0x37] (Japan) Call Code */
- unsigned char psa_nwid_prefix[2]; /* [0x38-0x39] Roaming domain */
- unsigned char psa_reserved[2]; /* [0x3A-0x3B] Reserved - fixed 00 */
- unsigned char psa_conf_status; /* [0x3C] Conf Status, bit 0=1:config*/
- unsigned char psa_crc[2]; /* [0x3D] CRC-16 over PSA */
- unsigned char psa_crc_status; /* [0x3F] CRC Valid Flag */
-};
-
-#define PSA_SIZE 64
-
-/* Calculate offset of a field in the above structure.
- * Warning: only even addresses are used. */
-#define psaoff(p,f) ((unsigned short) ((void *)(&((psa_t *) ((void *) NULL + (p)))->f) - (void *) NULL))
-
-/******************** MODEM MANAGEMENT INTERFACE ********************/
-
-/*
- * Modem Management Controller (MMC) write structure.
- */
-typedef struct mmw_t mmw_t;
-struct mmw_t
-{
- unsigned char mmw_encr_key[8]; /* encryption key */
- unsigned char mmw_encr_enable; /* Enable or disable encryption. */
-#define MMW_ENCR_ENABLE_MODE 0x02 /* mode of security option */
-#define MMW_ENCR_ENABLE_EN 0x01 /* Enable security option. */
- unsigned char mmw_unused0[1]; /* unused */
- unsigned char mmw_des_io_invert; /* encryption option */
-#define MMW_DES_IO_INVERT_RES 0x0F /* reserved */
-#define MMW_DES_IO_INVERT_CTRL 0xF0 /* control (?) (set to 0) */
- unsigned char mmw_unused1[5]; /* unused */
- unsigned char mmw_loopt_sel; /* looptest selection */
-#define MMW_LOOPT_SEL_DIS_NWID 0x40 /* Disable NWID filtering. */
-#define MMW_LOOPT_SEL_INT 0x20 /* Activate Attention Request. */
-#define MMW_LOOPT_SEL_LS 0x10 /* looptest, no collision avoidance */
-#define MMW_LOOPT_SEL_LT3A 0x08 /* looptest 3a */
-#define MMW_LOOPT_SEL_LT3B 0x04 /* looptest 3b */
-#define MMW_LOOPT_SEL_LT3C 0x02 /* looptest 3c */
-#define MMW_LOOPT_SEL_LT3D 0x01 /* looptest 3d */
- unsigned char mmw_jabber_enable; /* jabber timer enable */
- /* Abort transmissions > 200 ms */
- unsigned char mmw_freeze; /* freeze or unfreeze signal level */
- /* 0 : signal level & qual updated for every new message, 1 : frozen */
- unsigned char mmw_anten_sel; /* antenna selection */
-#define MMW_ANTEN_SEL_SEL 0x01 /* direct antenna selection */
-#define MMW_ANTEN_SEL_ALG_EN 0x02 /* antenna selection algo. enable */
- unsigned char mmw_ifs; /* inter frame spacing */
- /* min time between transmission in bit periods (.5 us) - bit 0 ignored */
- unsigned char mmw_mod_delay; /* modem delay (synchro) */
- unsigned char mmw_jam_time; /* jamming time (after collision) */
- unsigned char mmw_unused2[1]; /* unused */
- unsigned char mmw_thr_pre_set; /* level threshold preset */
- /* Discard all packet with signal < this value (4) */
- unsigned char mmw_decay_prm; /* decay parameters */
- unsigned char mmw_decay_updat_prm; /* decay update parameters */
- unsigned char mmw_quality_thr; /* quality (z-quotient) threshold */
- /* Discard all packet with quality < this value (3) */
- unsigned char mmw_netw_id_l; /* NWID low order byte */
- unsigned char mmw_netw_id_h; /* NWID high order byte */
- /* Network ID or Domain : create virtual net on the air */
-
- /* 2.0 Hardware extension - frequency selection support */
- unsigned char mmw_mode_select; /* for analog tests (set to 0) */
- unsigned char mmw_unused3[1]; /* unused */
- unsigned char mmw_fee_ctrl; /* frequency EEPROM control */
-#define MMW_FEE_CTRL_PRE 0x10 /* Enable protected instructions. */
-#define MMW_FEE_CTRL_DWLD 0x08 /* Download EEPROM to mmc. */
-#define MMW_FEE_CTRL_CMD 0x07 /* EEPROM commands: */
-#define MMW_FEE_CTRL_READ 0x06 /* Read */
-#define MMW_FEE_CTRL_WREN 0x04 /* Write enable */
-#define MMW_FEE_CTRL_WRITE 0x05 /* Write data to address. */
-#define MMW_FEE_CTRL_WRALL 0x04 /* Write data to all addresses. */
-#define MMW_FEE_CTRL_WDS 0x04 /* Write disable */
-#define MMW_FEE_CTRL_PRREAD 0x16 /* Read addr from protect register */
-#define MMW_FEE_CTRL_PREN 0x14 /* Protect register enable */
-#define MMW_FEE_CTRL_PRCLEAR 0x17 /* Unprotect all registers. */
-#define MMW_FEE_CTRL_PRWRITE 0x15 /* Write address in protect register */
-#define MMW_FEE_CTRL_PRDS 0x14 /* Protect register disable */
- /* Never issue the PRDS command: it's irreversible! */
-
- unsigned char mmw_fee_addr; /* EEPROM address */
-#define MMW_FEE_ADDR_CHANNEL 0xF0 /* Select the channel. */
-#define MMW_FEE_ADDR_OFFSET 0x0F /* Offset in channel data */
-#define MMW_FEE_ADDR_EN 0xC0 /* FEE_CTRL enable operations */
-#define MMW_FEE_ADDR_DS 0x00 /* FEE_CTRL disable operations */
-#define MMW_FEE_ADDR_ALL 0x40 /* FEE_CTRL all operations */
-#define MMW_FEE_ADDR_CLEAR 0xFF /* FEE_CTRL clear operations */
-
- unsigned char mmw_fee_data_l; /* Write data to EEPROM. */
- unsigned char mmw_fee_data_h; /* high octet */
- unsigned char mmw_ext_ant; /* Setting for external antenna */
-#define MMW_EXT_ANT_EXTANT 0x01 /* Select external antenna */
-#define MMW_EXT_ANT_POL 0x02 /* Polarity of the antenna */
-#define MMW_EXT_ANT_INTERNAL 0x00 /* Internal antenna */
-#define MMW_EXT_ANT_EXTERNAL 0x03 /* External antenna */
-#define MMW_EXT_ANT_IQ_TEST 0x1C /* IQ test pattern (set to 0) */
-} __attribute__ ((packed));
-
-#define MMW_SIZE 37
-
-#define mmwoff(p,f) (unsigned short)((void *)(&((mmw_t *)((void *)0 + (p)))->f) - (void *)0)
-
-/*
- * Modem Management Controller (MMC) read structure.
- */
-typedef struct mmr_t mmr_t;
-struct mmr_t
-{
- unsigned char mmr_unused0[8]; /* unused */
- unsigned char mmr_des_status; /* encryption status */
- unsigned char mmr_des_avail; /* encryption available (0x55 read) */
-#define MMR_DES_AVAIL_DES 0x55 /* DES available */
-#define MMR_DES_AVAIL_AES 0x33 /* AES (AT&T) available */
- unsigned char mmr_des_io_invert; /* des I/O invert register */
- unsigned char mmr_unused1[5]; /* unused */
- unsigned char mmr_dce_status; /* DCE status */
-#define MMR_DCE_STATUS_RX_BUSY 0x01 /* receiver busy */
-#define MMR_DCE_STATUS_LOOPT_IND 0x02 /* loop test indicated */
-#define MMR_DCE_STATUS_TX_BUSY 0x04 /* transmitter on */
-#define MMR_DCE_STATUS_JBR_EXPIRED 0x08 /* jabber timer expired */
-#define MMR_DCE_STATUS 0x0F /* mask to get the bits */
- unsigned char mmr_dsp_id; /* DSP ID (AA = Daedalus rev A) */
- unsigned char mmr_unused2[2]; /* unused */
- unsigned char mmr_correct_nwid_l; /* # of correct NWIDs rxd (low) */
- unsigned char mmr_correct_nwid_h; /* # of correct NWIDs rxd (high) */
- /* Warning: read high-order octet first! */
- unsigned char mmr_wrong_nwid_l; /* # of wrong NWIDs rxd (low) */
- unsigned char mmr_wrong_nwid_h; /* # of wrong NWIDs rxd (high) */
- unsigned char mmr_thr_pre_set; /* level threshold preset */
-#define MMR_THR_PRE_SET 0x3F /* level threshold preset */
-#define MMR_THR_PRE_SET_CUR 0x80 /* Current signal above it */
- unsigned char mmr_signal_lvl; /* signal level */
-#define MMR_SIGNAL_LVL 0x3F /* signal level */
-#define MMR_SIGNAL_LVL_VALID 0x80 /* Updated since last read */
- unsigned char mmr_silence_lvl; /* silence level (noise) */
-#define MMR_SILENCE_LVL 0x3F /* silence level */
-#define MMR_SILENCE_LVL_VALID 0x80 /* Updated since last read */
- unsigned char mmr_sgnl_qual; /* signal quality */
-#define MMR_SGNL_QUAL 0x0F /* signal quality */
-#define MMR_SGNL_QUAL_ANT 0x80 /* current antenna used */
- unsigned char mmr_netw_id_l; /* NWID low order byte (?) */
- unsigned char mmr_unused3[3]; /* unused */
-
- /* 2.0 Hardware extension - frequency selection support */
- unsigned char mmr_fee_status; /* Status of frequency EEPROM */
-#define MMR_FEE_STATUS_ID 0xF0 /* Modem revision ID */
-#define MMR_FEE_STATUS_DWLD 0x08 /* Download in progress */
-#define MMR_FEE_STATUS_BUSY 0x04 /* EEPROM busy */
- unsigned char mmr_unused4[1]; /* unused */
- unsigned char mmr_fee_data_l; /* Read data from EEPROM (low) */
- unsigned char mmr_fee_data_h; /* Read data from EEPROM (high) */
-} __attribute__ ((packed));
-
-#define MMR_SIZE 36
-
-#define mmroff(p,f) (unsigned short)((void *)(&((mmr_t *)((void *)0 + (p)))->f) - (void *)0)
-
-/* Make the two above structures one */
-typedef union mm_t
-{
- struct mmw_t w; /* Write to the mmc */
- struct mmr_t r; /* Read from the mmc */
-} mm_t;
-
-#endif /* _WAVELAN_H */
-
-/*
- * This software may only be used and distributed
- * according to the terms of the GNU General Public License.
- *
- * For more details, see wavelan.c.
- */
+++ /dev/null
-/*
- * WaveLAN ISA driver
- *
- * Jean II - HPLB '96
- *
- * Reorganisation and extension of the driver.
- *
- * This file contains all definitions and declarations necessary for the
- * WaveLAN ISA driver. This file is a private header, so it should
- * be included only in wavelan.c!
- */
-
-#ifndef WAVELAN_P_H
-#define WAVELAN_P_H
-
-/************************** DOCUMENTATION ***************************/
-/*
- * This driver provides a Linux interface to the WaveLAN ISA hardware.
- * The WaveLAN is a product of Lucent (http://www.wavelan.com/).
- * This division was formerly part of NCR and then AT&T.
- * WaveLANs are also distributed by DEC (RoamAbout DS) and Digital Ocean.
- *
- * To learn how to use this driver, read the NET3 HOWTO.
- * If you want to exploit the many other functionalities, read the comments
- * in the code.
- *
- * This driver is the result of the effort of many people (see below).
- */
-
-/* ------------------------ SPECIFIC NOTES ------------------------ */
-/*
- * Web page
- * --------
- * I try to maintain a web page with the Wireless LAN Howto at :
- * http://www.hpl.hp.com/personal/Jean_Tourrilhes/Linux/Wavelan.html
- *
- * SMP
- * ---
- * We now are SMP compliant (I eventually fixed the remaining bugs).
- * The driver has been tested on a dual P6-150 and survived my usual
- * set of torture tests.
- * Anyway, I spent enough time chasing interrupt re-entrancy during
- * errors or reconfigure, and I designed the locked/unlocked sections
- * of the driver with great care, and with the recent addition of
- * the spinlock (thanks to the new API), we should be quite close to
- * the truth.
- * The SMP/IRQ locking is quite coarse and conservative (i.e. not fast),
- * but better safe than sorry (especially at 2 Mb/s ;-).
- *
- * I have also looked into disabling only our interrupt on the card
- * (via HACR) instead of all interrupts in the processor (via cli),
- * so that other driver are not impacted, and it look like it's
- * possible, but it's very tricky to do right (full of races). As
- * the gain would be mostly for SMP systems, it can wait...
- *
- * Debugging and options
- * ---------------------
- * You will find below a set of '#define" allowing a very fine control
- * on the driver behaviour and the debug messages printed.
- * The main options are :
- * o SET_PSA_CRC, to have your card correctly recognised by
- * an access point and the Point-to-Point diagnostic tool.
- * o USE_PSA_CONFIG, to read configuration from the PSA (EEprom)
- * (otherwise we always start afresh with some defaults)
- *
- * wavelan.o is too darned big
- * ---------------------------
- * That's true! There is a very simple way to reduce the driver
- * object by 33%! Comment out the following line:
- * #include <linux/wireless.h>
- * Other compile options can also reduce the size of it...
- *
- * MAC address and hardware detection:
- * -----------------------------------
- * The detection code for the WaveLAN checks that the first three
- * octets of the MAC address fit the company code. This type of
- * detection works well for AT&T cards (because the AT&T code is
- * hardcoded in wavelan.h), but of course will fail for other
- * manufacturers.
- *
- * If you are sure that your card is derived from the WaveLAN,
- * here is the way to configure it:
- * 1) Get your MAC address
- * a) With your card utilities (wfreqsel, instconf, etc.)
- * b) With the driver:
- * o compile the kernel with DEBUG_CONFIG_INFO enabled
- * o Boot and look the card messages
- * 2) Set your MAC code (3 octets) in MAC_ADDRESSES[][3] (wavelan.h)
- * 3) Compile and verify
- * 4) Send me the MAC code. I will include it in the next version.
- *
- */
-
-/* --------------------- WIRELESS EXTENSIONS --------------------- */
-/*
- * This driver is the first to support "wireless extensions".
- * This set of extensions provides a standard way to control the wireless
- * characteristics of the hardware. Applications such as mobile IP may
- * take advantage of it.
- *
- * It might be a good idea as well to fetch the wireless tools to
- * configure the device and play a bit.
- */
-
-/* ---------------------------- FILES ---------------------------- */
-/*
- * wavelan.c: actual code for the driver: C functions
- *
- * wavelan.p.h: private header: local types and variables for driver
- *
- * wavelan.h: description of the hardware interface and structs
- *
- * i82586.h: description of the Ethernet controller
- */
-
-/* --------------------------- HISTORY --------------------------- */
-/*
- * This is based on information in the drivers' headers. It may not be
- * accurate, and I guarantee only my best effort.
- *
- * The history of the WaveLAN drivers is as complicated as the history of
- * the WaveLAN itself (NCR -> AT&T -> Lucent).
- *
- * It all started with Anders Klemets <klemets@paul.rutgers.edu>
- * writing a WaveLAN ISA driver for the Mach microkernel. Girish
- * Welling <welling@paul.rutgers.edu> had also worked on it.
- * Keith Moore modified this for the PCMCIA hardware.
- *
- * Robert Morris <rtm@das.harvard.edu> ported these two drivers to BSDI
- * and added specific PCMCIA support (there is currently no equivalent
- * of the PCMCIA package under BSD).
- *
- * Jim Binkley <jrb@cs.pdx.edu> ported both BSDI drivers to FreeBSD.
- *
- * Bruce Janson <bruce@cs.usyd.edu.au> ported the BSDI ISA driver to Linux.
- *
- * Anthony D. Joseph <adj@lcs.mit.edu> started to modify Bruce's driver
- * (with help of the BSDI PCMCIA driver) for PCMCIA.
- * Yunzhou Li <yunzhou@strat.iol.unh.edu> finished this work.
- * Joe Finney <joe@comp.lancs.ac.uk> patched the driver to start
- * 2.00 cards correctly (2.4 GHz with frequency selection).
- * David Hinds <dahinds@users.sourceforge.net> integrated the whole in his
- * PCMCIA package (and bug corrections).
- *
- * I (Jean Tourrilhes - jt@hplb.hpl.hp.com) then started to make some
- * patches to the PCMCIA driver. Later, I added code in the ISA driver
- * for Wireless Extensions and full support of frequency selection
- * cards. Then, I did the same to the PCMCIA driver, and did some
- * reorganisation. Finally, I came back to the ISA driver to
- * upgrade it at the same level as the PCMCIA one and reorganise
- * the code.
- * Loeke Brederveld <lbrederv@wavelan.com> from Lucent has given me
- * much needed information on the WaveLAN hardware.
- */
-
-/* The original copyrights and literature mention others' names and
- * credits. I don't know what their part in this development was.
- */
-
-/* By the way, for the copyright and legal stuff:
- * almost everybody wrote code under the GNU or BSD license (or similar),
- * and want their original copyright to remain somewhere in the
- * code (for myself, I go with the GPL).
- * Nobody wants to take responsibility for anything, except the fame.
- */
-
-/* --------------------------- CREDITS --------------------------- */
-/*
- * This software was developed as a component of the
- * Linux operating system.
- * It is based on other device drivers and information
- * either written or supplied by:
- * Ajay Bakre <bakre@paul.rutgers.edu>,
- * Donald Becker <becker@cesdis.gsfc.nasa.gov>,
- * Loeke Brederveld <Loeke.Brederveld@Utrecht.NCR.com>,
- * Brent Elphick <belphick@uwaterloo.ca>,
- * Anders Klemets <klemets@it.kth.se>,
- * Vladimir V. Kolpakov <w@stier.koenig.ru>,
- * Marc Meertens <Marc.Meertens@Utrecht.NCR.com>,
- * Pauline Middelink <middelin@polyware.iaf.nl>,
- * Robert Morris <rtm@das.harvard.edu>,
- * Jean Tourrilhes <jt@hpl.hp.com>,
- * Girish Welling <welling@paul.rutgers.edu>,
- * Clark Woodworth <clark@hiway1.exit109.com>
- * Yongguang Zhang <ygz@isl.hrl.hac.com>
- *
- * Thanks go also to:
- * James Ashton <jaa101@syseng.anu.edu.au>,
- * Alan Cox <alan@lxorguk.ukuu.org.uk>,
- * Allan Creighton <allanc@cs.usyd.edu.au>,
- * Matthew Geier <matthew@cs.usyd.edu.au>,
- * Remo di Giovanni <remo@cs.usyd.edu.au>,
- * Eckhard Grah <grah@wrcs1.urz.uni-wuppertal.de>,
- * Vipul Gupta <vgupta@cs.binghamton.edu>,
- * Mark Hagan <mhagan@wtcpost.daytonoh.NCR.COM>,
- * Tim Nicholson <tim@cs.usyd.edu.au>,
- * Ian Parkin <ian@cs.usyd.edu.au>,
- * John Rosenberg <johnr@cs.usyd.edu.au>,
- * George Rossi <george@phm.gov.au>,
- * Arthur Scott <arthur@cs.usyd.edu.au>,
- * Stanislav Sinyagin <stas@isf.ru>
- * and Peter Storey for their assistance and advice.
- *
- * Additional Credits:
- *
- * My development has been done initially under Debian 1.1 (Linux 2.0.x)
- * and now under Debian 2.2, initially with an HP Vectra XP/60, and now
- * an HP Vectra XP/90.
- *
- */
-
-/* ------------------------- IMPROVEMENTS ------------------------- */
-/*
- * I proudly present:
- *
- * Changes made in first pre-release:
- * ----------------------------------
- * - reorganisation of the code, function name change
- * - creation of private header (wavelan.p.h)
- * - reorganised debug messages
- * - more comments, history, etc.
- * - mmc_init: configure the PSA if not done
- * - mmc_init: correct default value of level threshold for PCMCIA
- * - mmc_init: 2.00 detection better code for 2.00 initialization
- * - better info at startup
- * - IRQ setting (note: this setting is permanent)
- * - watchdog: change strategy (and solve module removal problems)
- * - add wireless extensions (ioctl and get_wireless_stats)
- * get/set nwid/frequency on fly, info for /proc/net/wireless
- * - more wireless extensions: SETSPY and GETSPY
- * - make wireless extensions optional
- * - private ioctl to set/get quality and level threshold, histogram
- * - remove /proc/net/wavelan
- * - suppress useless stuff from lp (net_local)
- * - kernel 2.1 support (copy_to/from_user instead of memcpy_to/fromfs)
- * - add message level (debug stuff in /var/adm/debug and errors not
- * displayed at console and still in /var/adm/messages)
- * - multi device support
- * - start fixing the probe (init code)
- * - more inlines
- * - man page
- * - many other minor details and cleanups
- *
- * Changes made in second pre-release:
- * -----------------------------------
- * - clean up init code (probe and module init)
- * - better multiple device support (module)
- * - name assignment (module)
- *
- * Changes made in third pre-release:
- * ----------------------------------
- * - be more conservative on timers
- * - preliminary support for multicast (I still lack some details)
- *
- * Changes made in fourth pre-release:
- * -----------------------------------
- * - multicast (revisited and finished)
- * - avoid reset in set_multicast_list (a really big hack)
- * if somebody could apply this code for other i82586 based drivers
- * - share onboard memory 75% RU and 25% CU (instead of 50/50)
- *
- * Changes made for release in 2.1.15:
- * -----------------------------------
- * - change the detection code for multi manufacturer code support
- *
- * Changes made for release in 2.1.17:
- * -----------------------------------
- * - update to wireless extensions changes
- * - silly bug in card initial configuration (psa_conf_status)
- *
- * Changes made for release in 2.1.27 & 2.0.30:
- * --------------------------------------------
- * - small bug in debug code (probably not the last one...)
- * - remove extern keyword for wavelan_probe()
- * - level threshold is now a standard wireless extension (version 4 !)
- * - modules parameters types (new module interface)
- *
- * Changes made for release in 2.1.36:
- * -----------------------------------
- * - byte count stats (courtesy of David Hinds)
- * - remove dev_tint stuff (courtesy of David Hinds)
- * - encryption setting from Brent Elphick (thanks a lot!)
- * - 'ioaddr' to 'u_long' for the Alpha (thanks to Stanislav Sinyagin)
- *
- * Other changes (not by me) :
- * -------------------------
- * - Spelling and gramar "rectification".
- *
- * Changes made for release in 2.0.37 & 2.2.2 :
- * ------------------------------------------
- * - Correct status in /proc/net/wireless
- * - Set PSA CRC to make PtP diagnostic tool happy (Bob Gray)
- * - Module init code don't fail if we found at least one card in
- * the address list (Karlis Peisenieks)
- * - Missing parenthesis (Christopher Peterson)
- * - Correct i82586 configuration parameters
- * - Encryption initialisation bug (Robert McCormack)
- * - New mac addresses detected in the probe
- * - Increase watchdog for busy environments
- *
- * Changes made for release in 2.0.38 & 2.2.7 :
- * ------------------------------------------
- * - Correct the reception logic to better report errors and avoid
- * sending bogus packet up the stack
- * - Delay RU config to avoid corrupting first received packet
- * - Change config completion code (to actually check something)
- * - Avoid reading out of bound in skbuf to transmit
- * - Rectify a lot of (useless) debugging code
- * - Change the way to `#ifdef SET_PSA_CRC'
- *
- * Changes made for release in 2.2.11 & 2.3.13 :
- * -------------------------------------------
- * - Change e-mail and web page addresses
- * - Watchdog timer is now correctly expressed in HZ, not in jiffies
- * - Add channel number to the list of frequencies in range
- * - Add the (short) list of bit-rates in range
- * - Developp a new sensitivity... (sens.value & sens.fixed)
- *
- * Changes made for release in 2.2.14 & 2.3.23 :
- * -------------------------------------------
- * - Fix check for root permission (break instead of exit)
- * - New nwid & encoding setting (Wireless Extension 9)
- *
- * Changes made for release in 2.3.49 :
- * ----------------------------------
- * - Indentation reformating (Alan)
- * - Update to new network API (softnet - 2.3.43) :
- * o replace dev->tbusy (Alan)
- * o replace dev->tstart (Alan)
- * o remove dev->interrupt (Alan)
- * o add SMP locking via spinlock in splxx (me)
- * o add spinlock in interrupt handler (me)
- * o use kernel watchdog instead of ours (me)
- * o increase watchdog timeout (kernel is more sensitive) (me)
- * o verify that all the changes make sense and work (me)
- * - Fixup a potential gotcha when reconfiguring and thighten a bit
- * the interactions with Tx queue.
- *
- * Changes made for release in 2.4.0 :
- * ---------------------------------
- * - Fix spinlock stupid bugs that I left in. The driver is now SMP
- * compliant and doesn't lockup at startup.
- *
- * Changes made for release in 2.5.2 :
- * ---------------------------------
- * - Use new driver API for Wireless Extensions :
- * o got rid of wavelan_ioctl()
- * o use a bunch of iw_handler instead
- *
- * Changes made for release in 2.5.35 :
- * ----------------------------------
- * - Set dev->trans_start to avoid filling the logs
- * - Handle better spurious/bogus interrupt
- * - Avoid deadlocks in mmc_out()/mmc_in()
- *
- * Wishes & dreams:
- * ----------------
- * - roaming (see Pcmcia driver)
- */
-
-/***************************** INCLUDES *****************************/
-
-#include <linux/module.h>
-
-#include <linux/kernel.h>
-#include <linux/sched.h>
-#include <linux/types.h>
-#include <linux/fcntl.h>
-#include <linux/interrupt.h>
-#include <linux/stat.h>
-#include <linux/ptrace.h>
-#include <linux/ioport.h>
-#include <linux/in.h>
-#include <linux/string.h>
-#include <linux/delay.h>
-#include <linux/bitops.h>
-#include <asm/system.h>
-#include <asm/io.h>
-#include <asm/dma.h>
-#include <asm/uaccess.h>
-#include <linux/errno.h>
-#include <linux/netdevice.h>
-#include <linux/etherdevice.h>
-#include <linux/skbuff.h>
-#include <linux/slab.h>
-#include <linux/timer.h>
-#include <linux/init.h>
-
-#include <linux/wireless.h> /* Wireless extensions */
-#include <net/iw_handler.h> /* Wireless handlers */
-
-/* WaveLAN declarations */
-#include "i82586.h"
-#include "wavelan.h"
-
-/************************** DRIVER OPTIONS **************************/
-/*
- * `#define' or `#undef' the following constant to change the behaviour
- * of the driver...
- */
-#undef SET_PSA_CRC /* Calculate and set the CRC on PSA (slower) */
-#define USE_PSA_CONFIG /* Use info from the PSA. */
-#undef EEPROM_IS_PROTECTED /* doesn't seem to be necessary */
-#define MULTICAST_AVOID /* Avoid extra multicast (I'm sceptical). */
-#undef SET_MAC_ADDRESS /* Experimental */
-
-/* Warning: this stuff will slow down the driver. */
-#define WIRELESS_SPY /* Enable spying addresses. */
-#undef HISTOGRAM /* Enable histogram of signal level. */
-
-/****************************** DEBUG ******************************/
-
-#undef DEBUG_MODULE_TRACE /* module insertion/removal */
-#undef DEBUG_CALLBACK_TRACE /* calls made by Linux */
-#undef DEBUG_INTERRUPT_TRACE /* calls to handler */
-#undef DEBUG_INTERRUPT_INFO /* type of interrupt and so on */
-#define DEBUG_INTERRUPT_ERROR /* problems */
-#undef DEBUG_CONFIG_TRACE /* Trace the config functions. */
-#undef DEBUG_CONFIG_INFO /* what's going on */
-#define DEBUG_CONFIG_ERROR /* errors on configuration */
-#undef DEBUG_TX_TRACE /* transmission calls */
-#undef DEBUG_TX_INFO /* header of the transmitted packet */
-#undef DEBUG_TX_FAIL /* Normal failure conditions */
-#define DEBUG_TX_ERROR /* Unexpected conditions */
-#undef DEBUG_RX_TRACE /* transmission calls */
-#undef DEBUG_RX_INFO /* header of the received packet */
-#undef DEBUG_RX_FAIL /* Normal failure conditions */
-#define DEBUG_RX_ERROR /* Unexpected conditions */
-
-#undef DEBUG_PACKET_DUMP /* Dump packet on the screen if defined to 32. */
-#undef DEBUG_IOCTL_TRACE /* misc. call by Linux */
-#undef DEBUG_IOCTL_INFO /* various debugging info */
-#define DEBUG_IOCTL_ERROR /* what's going wrong */
-#define DEBUG_BASIC_SHOW /* Show basic startup info. */
-#undef DEBUG_VERSION_SHOW /* Print version info. */
-#undef DEBUG_PSA_SHOW /* Dump PSA to screen. */
-#undef DEBUG_MMC_SHOW /* Dump mmc to screen. */
-#undef DEBUG_SHOW_UNUSED /* Show unused fields too. */
-#undef DEBUG_I82586_SHOW /* Show i82586 status. */
-#undef DEBUG_DEVICE_SHOW /* Show device parameters. */
-
-/************************ CONSTANTS & MACROS ************************/
-
-#ifdef DEBUG_VERSION_SHOW
-static const char *version = "wavelan.c : v24 (SMP + wireless extensions) 11/12/01\n";
-#endif
-
-/* Watchdog temporisation */
-#define WATCHDOG_JIFFIES (512*HZ/100)
-
-/* ------------------------ PRIVATE IOCTL ------------------------ */
-
-#define SIOCSIPQTHR SIOCIWFIRSTPRIV /* Set quality threshold */
-#define SIOCGIPQTHR SIOCIWFIRSTPRIV + 1 /* Get quality threshold */
-
-#define SIOCSIPHISTO SIOCIWFIRSTPRIV + 2 /* Set histogram ranges */
-#define SIOCGIPHISTO SIOCIWFIRSTPRIV + 3 /* Get histogram values */
-
-/****************************** TYPES ******************************/
-
-/* Shortcuts */
-typedef struct iw_statistics iw_stats;
-typedef struct iw_quality iw_qual;
-typedef struct iw_freq iw_freq;typedef struct net_local net_local;
-typedef struct timer_list timer_list;
-
-/* Basic types */
-typedef u_char mac_addr[WAVELAN_ADDR_SIZE]; /* Hardware address */
-
-/*
- * Static specific data for the interface.
- *
- * For each network interface, Linux keeps data in two structures: "device"
- * keeps the generic data (same format for everybody) and "net_local" keeps
- * additional specific data.
- */
-struct net_local
-{
- net_local * next; /* linked list of the devices */
- struct net_device * dev; /* reverse link */
- spinlock_t spinlock; /* Serialize access to the hardware (SMP) */
- int nresets; /* number of hardware resets */
- u_char reconfig_82586; /* We need to reconfigure the controller. */
- u_char promiscuous; /* promiscuous mode */
- int mc_count; /* number of multicast addresses */
- u_short hacr; /* current host interface state */
-
- int tx_n_in_use;
- u_short rx_head;
- u_short rx_last;
- u_short tx_first_free;
- u_short tx_first_in_use;
-
- iw_stats wstats; /* Wireless-specific statistics */
-
- struct iw_spy_data spy_data;
- struct iw_public_data wireless_data;
-
-#ifdef HISTOGRAM
- int his_number; /* number of intervals */
- u_char his_range[16]; /* boundaries of interval ]n-1; n] */
- u_long his_sum[16]; /* sum in interval */
-#endif /* HISTOGRAM */
-};
-
-/**************************** PROTOTYPES ****************************/
-
-/* ----------------------- MISC. SUBROUTINES ------------------------ */
-static u_char
- wv_irq_to_psa(int);
-static int
- wv_psa_to_irq(u_char);
-/* ------------------- HOST ADAPTER SUBROUTINES ------------------- */
-static inline u_short /* data */
- hasr_read(u_long); /* Read the host interface: base address */
-static inline void
- hacr_write(u_long, /* Write to host interface: base address */
- u_short), /* data */
- hacr_write_slow(u_long,
- u_short),
- set_chan_attn(u_long, /* ioaddr */
- u_short), /* hacr */
- wv_hacr_reset(u_long), /* ioaddr */
- wv_16_off(u_long, /* ioaddr */
- u_short), /* hacr */
- wv_16_on(u_long, /* ioaddr */
- u_short), /* hacr */
- wv_ints_off(struct net_device *),
- wv_ints_on(struct net_device *);
-/* ----------------- MODEM MANAGEMENT SUBROUTINES ----------------- */
-static void
- psa_read(u_long, /* Read the Parameter Storage Area. */
- u_short, /* hacr */
- int, /* offset in PSA */
- u_char *, /* buffer to fill */
- int), /* size to read */
- psa_write(u_long, /* Write to the PSA. */
- u_short, /* hacr */
- int, /* offset in PSA */
- u_char *, /* buffer in memory */
- int); /* length of buffer */
-static inline void
- mmc_out(u_long, /* Write 1 byte to the Modem Manag Control. */
- u_short,
- u_char),
- mmc_write(u_long, /* Write n bytes to the MMC. */
- u_char,
- u_char *,
- int);
-static inline u_char /* Read 1 byte from the MMC. */
- mmc_in(u_long,
- u_short);
-static inline void
- mmc_read(u_long, /* Read n bytes from the MMC. */
- u_char,
- u_char *,
- int),
- fee_wait(u_long, /* Wait for frequency EEPROM: base address */
- int, /* base delay to wait for */
- int); /* time to wait */
-static void
- fee_read(u_long, /* Read the frequency EEPROM: base address */
- u_short, /* destination offset */
- u_short *, /* data buffer */
- int); /* number of registers */
-/* ---------------------- I82586 SUBROUTINES ----------------------- */
-static /*inline*/ void
- obram_read(u_long, /* ioaddr */
- u_short, /* o */
- u_char *, /* b */
- int); /* n */
-static inline void
- obram_write(u_long, /* ioaddr */
- u_short, /* o */
- u_char *, /* b */
- int); /* n */
-static void
- wv_ack(struct net_device *);
-static inline int
- wv_synchronous_cmd(struct net_device *,
- const char *),
- wv_config_complete(struct net_device *,
- u_long,
- net_local *);
-static int
- wv_complete(struct net_device *,
- u_long,
- net_local *);
-static inline void
- wv_82586_reconfig(struct net_device *);
-/* ------------------- DEBUG & INFO SUBROUTINES ------------------- */
-#ifdef DEBUG_I82586_SHOW
-static void
- wv_scb_show(unsigned short);
-#endif
-static inline void
- wv_init_info(struct net_device *); /* display startup info */
-/* ------------------- IOCTL, STATS & RECONFIG ------------------- */
-static iw_stats *
- wavelan_get_wireless_stats(struct net_device *);
-static void
- wavelan_set_multicast_list(struct net_device *);
-/* ----------------------- PACKET RECEPTION ----------------------- */
-static inline void
- wv_packet_read(struct net_device *, /* Read a packet from a frame. */
- u_short,
- int),
- wv_receive(struct net_device *); /* Read all packets waiting. */
-/* --------------------- PACKET TRANSMISSION --------------------- */
-static inline int
- wv_packet_write(struct net_device *, /* Write a packet to the Tx buffer. */
- void *,
- short);
-static netdev_tx_t
- wavelan_packet_xmit(struct sk_buff *, /* Send a packet. */
- struct net_device *);
-/* -------------------- HARDWARE CONFIGURATION -------------------- */
-static inline int
- wv_mmc_init(struct net_device *), /* Initialize the modem. */
- wv_ru_start(struct net_device *), /* Start the i82586 receiver unit. */
- wv_cu_start(struct net_device *), /* Start the i82586 command unit. */
- wv_82586_start(struct net_device *); /* Start the i82586. */
-static void
- wv_82586_config(struct net_device *); /* Configure the i82586. */
-static inline void
- wv_82586_stop(struct net_device *);
-static int
- wv_hw_reset(struct net_device *), /* Reset the WaveLAN hardware. */
- wv_check_ioaddr(u_long, /* ioaddr */
- u_char *); /* mac address (read) */
-/* ---------------------- INTERRUPT HANDLING ---------------------- */
-static irqreturn_t
- wavelan_interrupt(int, /* interrupt handler */
- void *);
-static void
- wavelan_watchdog(struct net_device *); /* transmission watchdog */
-/* ------------------- CONFIGURATION CALLBACKS ------------------- */
-static int
- wavelan_open(struct net_device *), /* Open the device. */
- wavelan_close(struct net_device *), /* Close the device. */
- wavelan_config(struct net_device *, unsigned short);/* Configure one device. */
-extern struct net_device *wavelan_probe(int unit); /* See Space.c. */
-
-/**************************** VARIABLES ****************************/
-
-/*
- * This is the root of the linked list of WaveLAN drivers
- * It is use to verify that we don't reuse the same base address
- * for two different drivers and to clean up when removing the module.
- */
-static net_local * wavelan_list = (net_local *) NULL;
-
-/*
- * This table is used to translate the PSA value to IRQ number
- * and vice versa.
- */
-static u_char irqvals[] =
-{
- 0, 0, 0, 0x01,
- 0x02, 0x04, 0, 0x08,
- 0, 0, 0x10, 0x20,
- 0x40, 0, 0, 0x80,
-};
-
-/*
- * Table of the available I/O addresses (base addresses) for WaveLAN
- */
-static unsigned short iobase[] =
-{
-#if 0
- /* Leave out 0x3C0 for now -- seems to clash with some video
- * controllers.
- * Leave out the others too -- we will always use 0x390 and leave
- * 0x300 for the Ethernet device.
- * Jean II: 0x3E0 is fine as well.
- */
- 0x300, 0x390, 0x3E0, 0x3C0
-#endif /* 0 */
- 0x390, 0x3E0
-};
-
-#ifdef MODULE
-/* Parameters set by insmod */
-static int io[4];
-static int irq[4];
-static char *name[4];
-module_param_array(io, int, NULL, 0);
-module_param_array(irq, int, NULL, 0);
-module_param_array(name, charp, NULL, 0);
-
-MODULE_PARM_DESC(io, "WaveLAN I/O base address(es),required");
-MODULE_PARM_DESC(irq, "WaveLAN IRQ number(s)");
-MODULE_PARM_DESC(name, "WaveLAN interface neme(s)");
-#endif /* MODULE */
-
-#endif /* WAVELAN_P_H */
+++ /dev/null
-/*
- * Wavelan Pcmcia driver
- *
- * Jean II - HPLB '96
- *
- * Reorganisation and extension of the driver.
- * Original copyright follow. See wavelan_cs.p.h for details.
- *
- * This code is derived from Anthony D. Joseph's code and all the changes here
- * are also under the original copyright below.
- *
- * This code supports version 2.00 of WaveLAN/PCMCIA cards (2.4GHz), and
- * can work on Linux 2.0.36 with support of David Hinds' PCMCIA Card Services
- *
- * Joe Finney (joe@comp.lancs.ac.uk) at Lancaster University in UK added
- * critical code in the routine to initialize the Modem Management Controller.
- *
- * Thanks to Alan Cox and Bruce Janson for their advice.
- *
- * -- Yunzhou Li (scip4166@nus.sg)
- *
-#ifdef WAVELAN_ROAMING
- * Roaming support added 07/22/98 by Justin Seger (jseger@media.mit.edu)
- * based on patch by Joe Finney from Lancaster University.
-#endif
- *
- * Lucent (formerly AT&T GIS, formerly NCR) WaveLAN PCMCIA card: An
- * Ethernet-like radio transceiver controlled by an Intel 82593 coprocessor.
- *
- * A non-shared memory PCMCIA ethernet driver for linux
- *
- * ISA version modified to support PCMCIA by Anthony Joseph (adj@lcs.mit.edu)
- *
- *
- * Joseph O'Sullivan & John Langford (josullvn@cs.cmu.edu & jcl@cs.cmu.edu)
- *
- * Apr 2 '98 made changes to bring the i82593 control/int handling in line
- * with offical specs...
- *
- ****************************************************************************
- * Copyright 1995
- * Anthony D. Joseph
- * Massachusetts Institute of Technology
- *
- * Permission to use, copy, modify, and distribute this program
- * for any purpose and without fee is hereby granted, provided
- * that this copyright and permission notice appear on all copies
- * and supporting documentation, the name of M.I.T. not be used
- * in advertising or publicity pertaining to distribution of the
- * program without specific prior permission, and notice be given
- * in supporting documentation that copying and distribution is
- * by permission of M.I.T. M.I.T. makes no representations about
- * the suitability of this software for any purpose. It is pro-
- * vided "as is" without express or implied warranty.
- ****************************************************************************
- *
- */
-
-/* Do *NOT* add other headers here, you are guaranteed to be wrong - Jean II */
-#include "wavelan_cs.p.h" /* Private header */
-
-#ifdef WAVELAN_ROAMING
-static void wl_cell_expiry(unsigned long data);
-static void wl_del_wavepoint(wavepoint_history *wavepoint, struct net_local *lp);
-static void wv_nwid_filter(unsigned char mode, net_local *lp);
-#endif /* WAVELAN_ROAMING */
-
-/************************* MISC SUBROUTINES **************************/
-/*
- * Subroutines which won't fit in one of the following category
- * (wavelan modem or i82593)
- */
-
-/******************* MODEM MANAGEMENT SUBROUTINES *******************/
-/*
- * Useful subroutines to manage the modem of the wavelan
- */
-
-/*------------------------------------------------------------------*/
-/*
- * Read from card's Host Adaptor Status Register.
- */
-static inline u_char
-hasr_read(u_long base)
-{
- return(inb(HASR(base)));
-} /* hasr_read */
-
-/*------------------------------------------------------------------*/
-/*
- * Write to card's Host Adapter Command Register.
- */
-static inline void
-hacr_write(u_long base,
- u_char hacr)
-{
- outb(hacr, HACR(base));
-} /* hacr_write */
-
-/*------------------------------------------------------------------*/
-/*
- * Write to card's Host Adapter Command Register. Include a delay for
- * those times when it is needed.
- */
-static void
-hacr_write_slow(u_long base,
- u_char hacr)
-{
- hacr_write(base, hacr);
- /* delay might only be needed sometimes */
- mdelay(1);
-} /* hacr_write_slow */
-
-/*------------------------------------------------------------------*/
-/*
- * Read the Parameter Storage Area from the WaveLAN card's memory
- */
-static void
-psa_read(struct net_device * dev,
- int o, /* offset in PSA */
- u_char * b, /* buffer to fill */
- int n) /* size to read */
-{
- net_local *lp = netdev_priv(dev);
- u_char __iomem *ptr = lp->mem + PSA_ADDR + (o << 1);
-
- while(n-- > 0)
- {
- *b++ = readb(ptr);
- /* Due to a lack of address decode pins, the WaveLAN PCMCIA card
- * only supports reading even memory addresses. That means the
- * increment here MUST be two.
- * Because of that, we can't use memcpy_fromio()...
- */
- ptr += 2;
- }
-} /* psa_read */
-
-/*------------------------------------------------------------------*/
-/*
- * Write the Parameter Storage Area to the WaveLAN card's memory
- */
-static void
-psa_write(struct net_device * dev,
- int o, /* Offset in psa */
- u_char * b, /* Buffer in memory */
- int n) /* Length of buffer */
-{
- net_local *lp = netdev_priv(dev);
- u_char __iomem *ptr = lp->mem + PSA_ADDR + (o << 1);
- int count = 0;
- unsigned int base = dev->base_addr;
- /* As there seem to have no flag PSA_BUSY as in the ISA model, we are
- * oblige to verify this address to know when the PSA is ready... */
- volatile u_char __iomem *verify = lp->mem + PSA_ADDR +
- (psaoff(0, psa_comp_number) << 1);
-
- /* Authorize writing to PSA */
- hacr_write(base, HACR_PWR_STAT | HACR_ROM_WEN);
-
- while(n-- > 0)
- {
- /* write to PSA */
- writeb(*b++, ptr);
- ptr += 2;
-
- /* I don't have the spec, so I don't know what the correct
- * sequence to write is. This hack seem to work for me... */
- count = 0;
- while((readb(verify) != PSA_COMP_PCMCIA_915) && (count++ < 100))
- mdelay(1);
- }
-
- /* Put the host interface back in standard state */
- hacr_write(base, HACR_DEFAULT);
-} /* psa_write */
-
-#ifdef SET_PSA_CRC
-/*------------------------------------------------------------------*/
-/*
- * Calculate the PSA CRC
- * Thanks to Valster, Nico <NVALSTER@wcnd.nl.lucent.com> for the code
- * NOTE: By specifying a length including the CRC position the
- * returned value should be zero. (i.e. a correct checksum in the PSA)
- *
- * The Windows drivers don't use the CRC, but the AP and the PtP tool
- * depend on it.
- */
-static u_short
-psa_crc(unsigned char * psa, /* The PSA */
- int size) /* Number of short for CRC */
-{
- int byte_cnt; /* Loop on the PSA */
- u_short crc_bytes = 0; /* Data in the PSA */
- int bit_cnt; /* Loop on the bits of the short */
-
- for(byte_cnt = 0; byte_cnt < size; byte_cnt++ )
- {
- crc_bytes ^= psa[byte_cnt]; /* Its an xor */
-
- for(bit_cnt = 1; bit_cnt < 9; bit_cnt++ )
- {
- if(crc_bytes & 0x0001)
- crc_bytes = (crc_bytes >> 1) ^ 0xA001;
- else
- crc_bytes >>= 1 ;
- }
- }
-
- return crc_bytes;
-} /* psa_crc */
-#endif /* SET_PSA_CRC */
-
-/*------------------------------------------------------------------*/
-/*
- * update the checksum field in the Wavelan's PSA
- */
-static void
-update_psa_checksum(struct net_device * dev)
-{
-#ifdef SET_PSA_CRC
- psa_t psa;
- u_short crc;
-
- /* read the parameter storage area */
- psa_read(dev, 0, (unsigned char *) &psa, sizeof(psa));
-
- /* update the checksum */
- crc = psa_crc((unsigned char *) &psa,
- sizeof(psa) - sizeof(psa.psa_crc[0]) - sizeof(psa.psa_crc[1])
- - sizeof(psa.psa_crc_status));
-
- psa.psa_crc[0] = crc & 0xFF;
- psa.psa_crc[1] = (crc & 0xFF00) >> 8;
-
- /* Write it ! */
- psa_write(dev, (char *)&psa.psa_crc - (char *)&psa,
- (unsigned char *)&psa.psa_crc, 2);
-
-#ifdef DEBUG_IOCTL_INFO
- printk (KERN_DEBUG "%s: update_psa_checksum(): crc = 0x%02x%02x\n",
- dev->name, psa.psa_crc[0], psa.psa_crc[1]);
-
- /* Check again (luxury !) */
- crc = psa_crc((unsigned char *) &psa,
- sizeof(psa) - sizeof(psa.psa_crc_status));
-
- if(crc != 0)
- printk(KERN_WARNING "%s: update_psa_checksum(): CRC does not agree with PSA data (even after recalculating)\n", dev->name);
-#endif /* DEBUG_IOCTL_INFO */
-#endif /* SET_PSA_CRC */
-} /* update_psa_checksum */
-
-/*------------------------------------------------------------------*/
-/*
- * Write 1 byte to the MMC.
- */
-static void
-mmc_out(u_long base,
- u_short o,
- u_char d)
-{
- int count = 0;
-
- /* Wait for MMC to go idle */
- while((count++ < 100) && (inb(HASR(base)) & HASR_MMI_BUSY))
- udelay(10);
-
- outb((u_char)((o << 1) | MMR_MMI_WR), MMR(base));
- outb(d, MMD(base));
-}
-
-/*------------------------------------------------------------------*/
-/*
- * Routine to write bytes to the Modem Management Controller.
- * We start by the end because it is the way it should be !
- */
-static void
-mmc_write(u_long base,
- u_char o,
- u_char * b,
- int n)
-{
- o += n;
- b += n;
-
- while(n-- > 0 )
- mmc_out(base, --o, *(--b));
-} /* mmc_write */
-
-/*------------------------------------------------------------------*/
-/*
- * Read 1 byte from the MMC.
- * Optimised version for 1 byte, avoid using memory...
- */
-static u_char
-mmc_in(u_long base,
- u_short o)
-{
- int count = 0;
-
- while((count++ < 100) && (inb(HASR(base)) & HASR_MMI_BUSY))
- udelay(10);
- outb(o << 1, MMR(base)); /* Set the read address */
-
- outb(0, MMD(base)); /* Required dummy write */
-
- while((count++ < 100) && (inb(HASR(base)) & HASR_MMI_BUSY))
- udelay(10);
- return (u_char) (inb(MMD(base))); /* Now do the actual read */
-}
-
-/*------------------------------------------------------------------*/
-/*
- * Routine to read bytes from the Modem Management Controller.
- * The implementation is complicated by a lack of address lines,
- * which prevents decoding of the low-order bit.
- * (code has just been moved in the above function)
- * We start by the end because it is the way it should be !
- */
-static void
-mmc_read(u_long base,
- u_char o,
- u_char * b,
- int n)
-{
- o += n;
- b += n;
-
- while(n-- > 0)
- *(--b) = mmc_in(base, --o);
-} /* mmc_read */
-
-/*------------------------------------------------------------------*/
-/*
- * Get the type of encryption available...
- */
-static inline int
-mmc_encr(u_long base) /* i/o port of the card */
-{
- int temp;
-
- temp = mmc_in(base, mmroff(0, mmr_des_avail));
- if((temp != MMR_DES_AVAIL_DES) && (temp != MMR_DES_AVAIL_AES))
- return 0;
- else
- return temp;
-}
-
-/*------------------------------------------------------------------*/
-/*
- * Wait for the frequency EEprom to complete a command...
- */
-static void
-fee_wait(u_long base, /* i/o port of the card */
- int delay, /* Base delay to wait for */
- int number) /* Number of time to wait */
-{
- int count = 0; /* Wait only a limited time */
-
- while((count++ < number) &&
- (mmc_in(base, mmroff(0, mmr_fee_status)) & MMR_FEE_STATUS_BUSY))
- udelay(delay);
-}
-
-/*------------------------------------------------------------------*/
-/*
- * Read bytes from the Frequency EEprom (frequency select cards).
- */
-static void
-fee_read(u_long base, /* i/o port of the card */
- u_short o, /* destination offset */
- u_short * b, /* data buffer */
- int n) /* number of registers */
-{
- b += n; /* Position at the end of the area */
-
- /* Write the address */
- mmc_out(base, mmwoff(0, mmw_fee_addr), o + n - 1);
-
- /* Loop on all buffer */
- while(n-- > 0)
- {
- /* Write the read command */
- mmc_out(base, mmwoff(0, mmw_fee_ctrl), MMW_FEE_CTRL_READ);
-
- /* Wait until EEprom is ready (should be quick !) */
- fee_wait(base, 10, 100);
-
- /* Read the value */
- *--b = ((mmc_in(base, mmroff(0, mmr_fee_data_h)) << 8) |
- mmc_in(base, mmroff(0, mmr_fee_data_l)));
- }
-}
-
-
-/*------------------------------------------------------------------*/
-/*
- * Write bytes from the Frequency EEprom (frequency select cards).
- * This is a bit complicated, because the frequency eeprom has to
- * be unprotected and the write enabled.
- * Jean II
- */
-static void
-fee_write(u_long base, /* i/o port of the card */
- u_short o, /* destination offset */
- u_short * b, /* data buffer */
- int n) /* number of registers */
-{
- b += n; /* Position at the end of the area */
-
-#ifdef EEPROM_IS_PROTECTED /* disabled */
-#ifdef DOESNT_SEEM_TO_WORK /* disabled */
- /* Ask to read the protected register */
- mmc_out(base, mmwoff(0, mmw_fee_ctrl), MMW_FEE_CTRL_PRREAD);
-
- fee_wait(base, 10, 100);
-
- /* Read the protected register */
- printk("Protected 2 : %02X-%02X\n",
- mmc_in(base, mmroff(0, mmr_fee_data_h)),
- mmc_in(base, mmroff(0, mmr_fee_data_l)));
-#endif /* DOESNT_SEEM_TO_WORK */
-
- /* Enable protected register */
- mmc_out(base, mmwoff(0, mmw_fee_addr), MMW_FEE_ADDR_EN);
- mmc_out(base, mmwoff(0, mmw_fee_ctrl), MMW_FEE_CTRL_PREN);
-
- fee_wait(base, 10, 100);
-
- /* Unprotect area */
- mmc_out(base, mmwoff(0, mmw_fee_addr), o + n);
- mmc_out(base, mmwoff(0, mmw_fee_ctrl), MMW_FEE_CTRL_PRWRITE);
-#ifdef DOESNT_SEEM_TO_WORK /* disabled */
- /* Or use : */
- mmc_out(base, mmwoff(0, mmw_fee_ctrl), MMW_FEE_CTRL_PRCLEAR);
-#endif /* DOESNT_SEEM_TO_WORK */
-
- fee_wait(base, 10, 100);
-#endif /* EEPROM_IS_PROTECTED */
-
- /* Write enable */
- mmc_out(base, mmwoff(0, mmw_fee_addr), MMW_FEE_ADDR_EN);
- mmc_out(base, mmwoff(0, mmw_fee_ctrl), MMW_FEE_CTRL_WREN);
-
- fee_wait(base, 10, 100);
-
- /* Write the EEprom address */
- mmc_out(base, mmwoff(0, mmw_fee_addr), o + n - 1);
-
- /* Loop on all buffer */
- while(n-- > 0)
- {
- /* Write the value */
- mmc_out(base, mmwoff(0, mmw_fee_data_h), (*--b) >> 8);
- mmc_out(base, mmwoff(0, mmw_fee_data_l), *b & 0xFF);
-
- /* Write the write command */
- mmc_out(base, mmwoff(0, mmw_fee_ctrl), MMW_FEE_CTRL_WRITE);
-
- /* Wavelan doc says : wait at least 10 ms for EEBUSY = 0 */
- mdelay(10);
- fee_wait(base, 10, 100);
- }
-
- /* Write disable */
- mmc_out(base, mmwoff(0, mmw_fee_addr), MMW_FEE_ADDR_DS);
- mmc_out(base, mmwoff(0, mmw_fee_ctrl), MMW_FEE_CTRL_WDS);
-
- fee_wait(base, 10, 100);
-
-#ifdef EEPROM_IS_PROTECTED /* disabled */
- /* Reprotect EEprom */
- mmc_out(base, mmwoff(0, mmw_fee_addr), 0x00);
- mmc_out(base, mmwoff(0, mmw_fee_ctrl), MMW_FEE_CTRL_PRWRITE);
-
- fee_wait(base, 10, 100);
-#endif /* EEPROM_IS_PROTECTED */
-}
-
-/******************* WaveLAN Roaming routines... ********************/
-
-#ifdef WAVELAN_ROAMING /* Conditional compile, see wavelan_cs.h */
-
-static unsigned char WAVELAN_BEACON_ADDRESS[] = {0x09,0x00,0x0e,0x20,0x03,0x00};
-
-static void wv_roam_init(struct net_device *dev)
-{
- net_local *lp= netdev_priv(dev);
-
- /* Do not remove this unless you have a good reason */
- printk(KERN_NOTICE "%s: Warning, you have enabled roaming on"
- " device %s !\n", dev->name, dev->name);
- printk(KERN_NOTICE "Roaming is currently an experimental unsupported feature"
- " of the Wavelan driver.\n");
- printk(KERN_NOTICE "It may work, but may also make the driver behave in"
- " erratic ways or crash.\n");
-
- lp->wavepoint_table.head=NULL; /* Initialise WavePoint table */
- lp->wavepoint_table.num_wavepoints=0;
- lp->wavepoint_table.locked=0;
- lp->curr_point=NULL; /* No default WavePoint */
- lp->cell_search=0;
-
- lp->cell_timer.data=(long)lp; /* Start cell expiry timer */
- lp->cell_timer.function=wl_cell_expiry;
- lp->cell_timer.expires=jiffies+CELL_TIMEOUT;
- add_timer(&lp->cell_timer);
-
- wv_nwid_filter(NWID_PROMISC,lp) ; /* Enter NWID promiscuous mode */
- /* to build up a good WavePoint */
- /* table... */
- printk(KERN_DEBUG "WaveLAN: Roaming enabled on device %s\n",dev->name);
-}
-
-static void wv_roam_cleanup(struct net_device *dev)
-{
- wavepoint_history *ptr,*old_ptr;
- net_local *lp= netdev_priv(dev);
-
- printk(KERN_DEBUG "WaveLAN: Roaming Disabled on device %s\n",dev->name);
-
- /* Fixme : maybe we should check that the timer exist before deleting it */
- del_timer(&lp->cell_timer); /* Remove cell expiry timer */
- ptr=lp->wavepoint_table.head; /* Clear device's WavePoint table */
- while(ptr!=NULL)
- {
- old_ptr=ptr;
- ptr=ptr->next;
- wl_del_wavepoint(old_ptr,lp);
- }
-}
-
-/* Enable/Disable NWID promiscuous mode on a given device */
-static void wv_nwid_filter(unsigned char mode, net_local *lp)
-{
- mm_t m;
- unsigned long flags;
-
-#ifdef WAVELAN_ROAMING_DEBUG
- printk(KERN_DEBUG "WaveLAN: NWID promisc %s, device %s\n",(mode==NWID_PROMISC) ? "on" : "off", lp->dev->name);
-#endif
-
- /* Disable interrupts & save flags */
- spin_lock_irqsave(&lp->spinlock, flags);
-
- m.w.mmw_loopt_sel = (mode==NWID_PROMISC) ? MMW_LOOPT_SEL_DIS_NWID : 0x00;
- mmc_write(lp->dev->base_addr, (char *)&m.w.mmw_loopt_sel - (char *)&m, (unsigned char *)&m.w.mmw_loopt_sel, 1);
-
- if(mode==NWID_PROMISC)
- lp->cell_search=1;
- else
- lp->cell_search=0;
-
- /* ReEnable interrupts & restore flags */
- spin_unlock_irqrestore(&lp->spinlock, flags);
-}
-
-/* Find a record in the WavePoint table matching a given NWID */
-static wavepoint_history *wl_roam_check(unsigned short nwid, net_local *lp)
-{
- wavepoint_history *ptr=lp->wavepoint_table.head;
-
- while(ptr!=NULL){
- if(ptr->nwid==nwid)
- return ptr;
- ptr=ptr->next;
- }
- return NULL;
-}
-
-/* Create a new wavepoint table entry */
-static wavepoint_history *wl_new_wavepoint(unsigned short nwid, unsigned char seq, net_local* lp)
-{
- wavepoint_history *new_wavepoint;
-
-#ifdef WAVELAN_ROAMING_DEBUG
- printk(KERN_DEBUG "WaveLAN: New Wavepoint, NWID:%.4X\n",nwid);
-#endif
-
- if(lp->wavepoint_table.num_wavepoints==MAX_WAVEPOINTS)
- return NULL;
-
- new_wavepoint = kmalloc(sizeof(wavepoint_history),GFP_ATOMIC);
- if(new_wavepoint==NULL)
- return NULL;
-
- new_wavepoint->nwid=nwid; /* New WavePoints NWID */
- new_wavepoint->average_fast=0; /* Running Averages..*/
- new_wavepoint->average_slow=0;
- new_wavepoint->qualptr=0; /* Start of ringbuffer */
- new_wavepoint->last_seq=seq-1; /* Last sequence no.seen */
- memset(new_wavepoint->sigqual,0,WAVEPOINT_HISTORY);/* Empty ringbuffer */
-
- new_wavepoint->next=lp->wavepoint_table.head;/* Add to wavepoint table */
- new_wavepoint->prev=NULL;
-
- if(lp->wavepoint_table.head!=NULL)
- lp->wavepoint_table.head->prev=new_wavepoint;
-
- lp->wavepoint_table.head=new_wavepoint;
-
- lp->wavepoint_table.num_wavepoints++; /* no. of visible wavepoints */
-
- return new_wavepoint;
-}
-
-/* Remove a wavepoint entry from WavePoint table */
-static void wl_del_wavepoint(wavepoint_history *wavepoint, struct net_local *lp)
-{
- if(wavepoint==NULL)
- return;
-
- if(lp->curr_point==wavepoint)
- lp->curr_point=NULL;
-
- if(wavepoint->prev!=NULL)
- wavepoint->prev->next=wavepoint->next;
-
- if(wavepoint->next!=NULL)
- wavepoint->next->prev=wavepoint->prev;
-
- if(lp->wavepoint_table.head==wavepoint)
- lp->wavepoint_table.head=wavepoint->next;
-
- lp->wavepoint_table.num_wavepoints--;
- kfree(wavepoint);
-}
-
-/* Timer callback function - checks WavePoint table for stale entries */
-static void wl_cell_expiry(unsigned long data)
-{
- net_local *lp=(net_local *)data;
- wavepoint_history *wavepoint=lp->wavepoint_table.head,*old_point;
-
-#if WAVELAN_ROAMING_DEBUG > 1
- printk(KERN_DEBUG "WaveLAN: Wavepoint timeout, dev %s\n",lp->dev->name);
-#endif
-
- if(lp->wavepoint_table.locked)
- {
-#if WAVELAN_ROAMING_DEBUG > 1
- printk(KERN_DEBUG "WaveLAN: Wavepoint table locked...\n");
-#endif
-
- lp->cell_timer.expires=jiffies+1; /* If table in use, come back later */
- add_timer(&lp->cell_timer);
- return;
- }
-
- while(wavepoint!=NULL)
- {
- if(time_after(jiffies, wavepoint->last_seen + CELL_TIMEOUT))
- {
-#ifdef WAVELAN_ROAMING_DEBUG
- printk(KERN_DEBUG "WaveLAN: Bye bye %.4X\n",wavepoint->nwid);
-#endif
-
- old_point=wavepoint;
- wavepoint=wavepoint->next;
- wl_del_wavepoint(old_point,lp);
- }
- else
- wavepoint=wavepoint->next;
- }
- lp->cell_timer.expires=jiffies+CELL_TIMEOUT;
- add_timer(&lp->cell_timer);
-}
-
-/* Update SNR history of a wavepoint */
-static void wl_update_history(wavepoint_history *wavepoint, unsigned char sigqual, unsigned char seq)
-{
- int i=0,num_missed=0,ptr=0;
- int average_fast=0,average_slow=0;
-
- num_missed=(seq-wavepoint->last_seq)%WAVEPOINT_HISTORY;/* Have we missed
- any beacons? */
- if(num_missed)
- for(i=0;i<num_missed;i++)
- {
- wavepoint->sigqual[wavepoint->qualptr++]=0; /* If so, enter them as 0's */
- wavepoint->qualptr %=WAVEPOINT_HISTORY; /* in the ringbuffer. */
- }
- wavepoint->last_seen=jiffies; /* Add beacon to history */
- wavepoint->last_seq=seq;
- wavepoint->sigqual[wavepoint->qualptr++]=sigqual;
- wavepoint->qualptr %=WAVEPOINT_HISTORY;
- ptr=(wavepoint->qualptr-WAVEPOINT_FAST_HISTORY+WAVEPOINT_HISTORY)%WAVEPOINT_HISTORY;
-
- for(i=0;i<WAVEPOINT_FAST_HISTORY;i++) /* Update running averages */
- {
- average_fast+=wavepoint->sigqual[ptr++];
- ptr %=WAVEPOINT_HISTORY;
- }
-
- average_slow=average_fast;
- for(i=WAVEPOINT_FAST_HISTORY;i<WAVEPOINT_HISTORY;i++)
- {
- average_slow+=wavepoint->sigqual[ptr++];
- ptr %=WAVEPOINT_HISTORY;
- }
-
- wavepoint->average_fast=average_fast/WAVEPOINT_FAST_HISTORY;
- wavepoint->average_slow=average_slow/WAVEPOINT_HISTORY;
-}
-
-/* Perform a handover to a new WavePoint */
-static void wv_roam_handover(wavepoint_history *wavepoint, net_local *lp)
-{
- unsigned int base = lp->dev->base_addr;
- mm_t m;
- unsigned long flags;
-
- if(wavepoint==lp->curr_point) /* Sanity check... */
- {
- wv_nwid_filter(!NWID_PROMISC,lp);
- return;
- }
-
-#ifdef WAVELAN_ROAMING_DEBUG
- printk(KERN_DEBUG "WaveLAN: Doing handover to %.4X, dev %s\n",wavepoint->nwid,lp->dev->name);
-#endif
-
- /* Disable interrupts & save flags */
- spin_lock_irqsave(&lp->spinlock, flags);
-
- m.w.mmw_netw_id_l = wavepoint->nwid & 0xFF;
- m.w.mmw_netw_id_h = (wavepoint->nwid & 0xFF00) >> 8;
-
- mmc_write(base, (char *)&m.w.mmw_netw_id_l - (char *)&m, (unsigned char *)&m.w.mmw_netw_id_l, 2);
-
- /* ReEnable interrupts & restore flags */
- spin_unlock_irqrestore(&lp->spinlock, flags);
-
- wv_nwid_filter(!NWID_PROMISC,lp);
- lp->curr_point=wavepoint;
-}
-
-/* Called when a WavePoint beacon is received */
-static void wl_roam_gather(struct net_device * dev,
- u_char * hdr, /* Beacon header */
- u_char * stats) /* SNR, Signal quality
- of packet */
-{
- wavepoint_beacon *beacon= (wavepoint_beacon *)hdr; /* Rcvd. Beacon */
- unsigned short nwid=ntohs(beacon->nwid);
- unsigned short sigqual=stats[2] & MMR_SGNL_QUAL; /* SNR of beacon */
- wavepoint_history *wavepoint=NULL; /* WavePoint table entry */
- net_local *lp = netdev_priv(dev); /* Device info */
-
-#ifdef I_NEED_THIS_FEATURE
- /* Some people don't need this, some other may need it */
- nwid=nwid^ntohs(beacon->domain_id);
-#endif
-
-#if WAVELAN_ROAMING_DEBUG > 1
- printk(KERN_DEBUG "WaveLAN: beacon, dev %s:\n",dev->name);
- printk(KERN_DEBUG "Domain: %.4X NWID: %.4X SigQual=%d\n",ntohs(beacon->domain_id),nwid,sigqual);
-#endif
-
- lp->wavepoint_table.locked=1; /* <Mutex> */
-
- wavepoint=wl_roam_check(nwid,lp); /* Find WavePoint table entry */
- if(wavepoint==NULL) /* If no entry, Create a new one... */
- {
- wavepoint=wl_new_wavepoint(nwid,beacon->seq,lp);
- if(wavepoint==NULL)
- goto out;
- }
- if(lp->curr_point==NULL) /* If this is the only WavePoint, */
- wv_roam_handover(wavepoint, lp); /* Jump on it! */
-
- wl_update_history(wavepoint, sigqual, beacon->seq); /* Update SNR history
- stats. */
-
- if(lp->curr_point->average_slow < SEARCH_THRESH_LOW) /* If our current */
- if(!lp->cell_search) /* WavePoint is getting faint, */
- wv_nwid_filter(NWID_PROMISC,lp); /* start looking for a new one */
-
- if(wavepoint->average_slow >
- lp->curr_point->average_slow + WAVELAN_ROAMING_DELTA)
- wv_roam_handover(wavepoint, lp); /* Handover to a better WavePoint */
-
- if(lp->curr_point->average_slow > SEARCH_THRESH_HIGH) /* If our SNR is */
- if(lp->cell_search) /* getting better, drop out of cell search mode */
- wv_nwid_filter(!NWID_PROMISC,lp);
-
-out:
- lp->wavepoint_table.locked=0; /* </MUTEX> :-) */
-}
-
-/* Test this MAC frame a WavePoint beacon */
-static inline int WAVELAN_BEACON(unsigned char *data)
-{
- wavepoint_beacon *beacon= (wavepoint_beacon *)data;
- static const wavepoint_beacon beacon_template={0xaa,0xaa,0x03,0x08,0x00,0x0e,0x20,0x03,0x00};
-
- if(memcmp(beacon,&beacon_template,9)==0)
- return 1;
- else
- return 0;
-}
-#endif /* WAVELAN_ROAMING */
-
-/************************ I82593 SUBROUTINES *************************/
-/*
- * Useful subroutines to manage the Ethernet controller
- */
-
-/*------------------------------------------------------------------*/
-/*
- * Routine to synchronously send a command to the i82593 chip.
- * Should be called with interrupts disabled.
- * (called by wv_packet_write(), wv_ru_stop(), wv_ru_start(),
- * wv_82593_config() & wv_diag())
- */
-static int
-wv_82593_cmd(struct net_device * dev,
- char * str,
- int cmd,
- int result)
-{
- unsigned int base = dev->base_addr;
- int status;
- int wait_completed;
- long spin;
-
- /* Spin until the chip finishes executing its current command (if any) */
- spin = 1000;
- do
- {
- /* Time calibration of the loop */
- udelay(10);
-
- /* Read the interrupt register */
- outb(OP0_NOP | CR0_STATUS_3, LCCR(base));
- status = inb(LCSR(base));
- }
- while(((status & SR3_EXEC_STATE_MASK) != SR3_EXEC_IDLE) && (spin-- > 0));
-
- /* If the interrupt hasn't been posted */
- if (spin < 0) {
-#ifdef DEBUG_INTERRUPT_ERROR
- printk(KERN_INFO "wv_82593_cmd: %s timeout (previous command), status 0x%02x\n",
- str, status);
-#endif
- return(FALSE);
- }
-
- /* Issue the command to the controller */
- outb(cmd, LCCR(base));
-
- /* If we don't have to check the result of the command
- * Note : this mean that the irq handler will deal with that */
- if(result == SR0_NO_RESULT)
- return(TRUE);
-
- /* We are waiting for command completion */
- wait_completed = TRUE;
-
- /* Busy wait while the LAN controller executes the command. */
- spin = 1000;
- do
- {
- /* Time calibration of the loop */
- udelay(10);
-
- /* Read the interrupt register */
- outb(CR0_STATUS_0 | OP0_NOP, LCCR(base));
- status = inb(LCSR(base));
-
- /* Check if there was an interrupt posted */
- if((status & SR0_INTERRUPT))
- {
- /* Acknowledge the interrupt */
- outb(CR0_INT_ACK | OP0_NOP, LCCR(base));
-
- /* Check if interrupt is a command completion */
- if(((status & SR0_BOTH_RX_TX) != SR0_BOTH_RX_TX) &&
- ((status & SR0_BOTH_RX_TX) != 0x0) &&
- !(status & SR0_RECEPTION))
- {
- /* Signal command completion */
- wait_completed = FALSE;
- }
- else
- {
- /* Note : Rx interrupts will be handled later, because we can
- * handle multiple Rx packets at once */
-#ifdef DEBUG_INTERRUPT_INFO
- printk(KERN_INFO "wv_82593_cmd: not our interrupt\n");
-#endif
- }
- }
- }
- while(wait_completed && (spin-- > 0));
-
- /* If the interrupt hasn't be posted */
- if(wait_completed)
- {
-#ifdef DEBUG_INTERRUPT_ERROR
- printk(KERN_INFO "wv_82593_cmd: %s timeout, status 0x%02x\n",
- str, status);
-#endif
- return(FALSE);
- }
-
- /* Check the return code returned by the card (see above) against
- * the expected return code provided by the caller */
- if((status & SR0_EVENT_MASK) != result)
- {
-#ifdef DEBUG_INTERRUPT_ERROR
- printk(KERN_INFO "wv_82593_cmd: %s failed, status = 0x%x\n",
- str, status);
-#endif
- return(FALSE);
- }
-
- return(TRUE);
-} /* wv_82593_cmd */
-
-/*------------------------------------------------------------------*/
-/*
- * This routine does a 593 op-code number 7, and obtains the diagnose
- * status for the WaveLAN.
- */
-static inline int
-wv_diag(struct net_device * dev)
-{
- return(wv_82593_cmd(dev, "wv_diag(): diagnose",
- OP0_DIAGNOSE, SR0_DIAGNOSE_PASSED));
-} /* wv_diag */
-
-/*------------------------------------------------------------------*/
-/*
- * Routine to read len bytes from the i82593's ring buffer, starting at
- * chip address addr. The results read from the chip are stored in buf.
- * The return value is the address to use for next the call.
- */
-static int
-read_ringbuf(struct net_device * dev,
- int addr,
- char * buf,
- int len)
-{
- unsigned int base = dev->base_addr;
- int ring_ptr = addr;
- int chunk_len;
- char * buf_ptr = buf;
-
- /* Get all the buffer */
- while(len > 0)
- {
- /* Position the Program I/O Register at the ring buffer pointer */
- outb(ring_ptr & 0xff, PIORL(base));
- outb(((ring_ptr >> 8) & PIORH_MASK), PIORH(base));
-
- /* First, determine how much we can read without wrapping around the
- ring buffer */
- if((addr + len) < (RX_BASE + RX_SIZE))
- chunk_len = len;
- else
- chunk_len = RX_BASE + RX_SIZE - addr;
- insb(PIOP(base), buf_ptr, chunk_len);
- buf_ptr += chunk_len;
- len -= chunk_len;
- ring_ptr = (ring_ptr - RX_BASE + chunk_len) % RX_SIZE + RX_BASE;
- }
- return(ring_ptr);
-} /* read_ringbuf */
-
-/*------------------------------------------------------------------*/
-/*
- * Reconfigure the i82593, or at least ask for it...
- * Because wv_82593_config use the transmission buffer, we must do it
- * when we are sure that there is no transmission, so we do it now
- * or in wavelan_packet_xmit() (I can't find any better place,
- * wavelan_interrupt is not an option...), so you may experience
- * some delay sometime...
- */
-static void
-wv_82593_reconfig(struct net_device * dev)
-{
- net_local * lp = netdev_priv(dev);
- struct pcmcia_device * link = lp->link;
- unsigned long flags;
-
- /* Arm the flag, will be cleard in wv_82593_config() */
- lp->reconfig_82593 = TRUE;
-
- /* Check if we can do it now ! */
- if((link->open) && (netif_running(dev)) && !(netif_queue_stopped(dev)))
- {
- spin_lock_irqsave(&lp->spinlock, flags); /* Disable interrupts */
- wv_82593_config(dev);
- spin_unlock_irqrestore(&lp->spinlock, flags); /* Re-enable interrupts */
- }
- else
- {
-#ifdef DEBUG_IOCTL_INFO
- printk(KERN_DEBUG
- "%s: wv_82593_reconfig(): delayed (state = %lX, link = %d)\n",
- dev->name, dev->state, link->open);
-#endif
- }
-}
-
-/********************* DEBUG & INFO SUBROUTINES *********************/
-/*
- * This routines are used in the code to show debug informations.
- * Most of the time, it dump the content of hardware structures...
- */
-
-#ifdef DEBUG_PSA_SHOW
-/*------------------------------------------------------------------*/
-/*
- * Print the formatted contents of the Parameter Storage Area.
- */
-static void
-wv_psa_show(psa_t * p)
-{
- printk(KERN_DEBUG "##### wavelan psa contents: #####\n");
- printk(KERN_DEBUG "psa_io_base_addr_1: 0x%02X %02X %02X %02X\n",
- p->psa_io_base_addr_1,
- p->psa_io_base_addr_2,
- p->psa_io_base_addr_3,
- p->psa_io_base_addr_4);
- printk(KERN_DEBUG "psa_rem_boot_addr_1: 0x%02X %02X %02X\n",
- p->psa_rem_boot_addr_1,
- p->psa_rem_boot_addr_2,
- p->psa_rem_boot_addr_3);
- printk(KERN_DEBUG "psa_holi_params: 0x%02x, ", p->psa_holi_params);
- printk("psa_int_req_no: %d\n", p->psa_int_req_no);
-#ifdef DEBUG_SHOW_UNUSED
- printk(KERN_DEBUG "psa_unused0[]: %pM\n", p->psa_unused0);
-#endif /* DEBUG_SHOW_UNUSED */
- printk(KERN_DEBUG "psa_univ_mac_addr[]: %pM\n", p->psa_univ_mac_addr);
- printk(KERN_DEBUG "psa_local_mac_addr[]: %pM\n", p->psa_local_mac_addr);
- printk(KERN_DEBUG "psa_univ_local_sel: %d, ", p->psa_univ_local_sel);
- printk("psa_comp_number: %d, ", p->psa_comp_number);
- printk("psa_thr_pre_set: 0x%02x\n", p->psa_thr_pre_set);
- printk(KERN_DEBUG "psa_feature_select/decay_prm: 0x%02x, ",
- p->psa_feature_select);
- printk("psa_subband/decay_update_prm: %d\n", p->psa_subband);
- printk(KERN_DEBUG "psa_quality_thr: 0x%02x, ", p->psa_quality_thr);
- printk("psa_mod_delay: 0x%02x\n", p->psa_mod_delay);
- printk(KERN_DEBUG "psa_nwid: 0x%02x%02x, ", p->psa_nwid[0], p->psa_nwid[1]);
- printk("psa_nwid_select: %d\n", p->psa_nwid_select);
- printk(KERN_DEBUG "psa_encryption_select: %d, ", p->psa_encryption_select);
- printk("psa_encryption_key[]: %02x:%02x:%02x:%02x:%02x:%02x:%02x:%02x\n",
- p->psa_encryption_key[0],
- p->psa_encryption_key[1],
- p->psa_encryption_key[2],
- p->psa_encryption_key[3],
- p->psa_encryption_key[4],
- p->psa_encryption_key[5],
- p->psa_encryption_key[6],
- p->psa_encryption_key[7]);
- printk(KERN_DEBUG "psa_databus_width: %d\n", p->psa_databus_width);
- printk(KERN_DEBUG "psa_call_code/auto_squelch: 0x%02x, ",
- p->psa_call_code[0]);
- printk("psa_call_code[]: %02X:%02X:%02X:%02X:%02X:%02X:%02X:%02X\n",
- p->psa_call_code[0],
- p->psa_call_code[1],
- p->psa_call_code[2],
- p->psa_call_code[3],
- p->psa_call_code[4],
- p->psa_call_code[5],
- p->psa_call_code[6],
- p->psa_call_code[7]);
-#ifdef DEBUG_SHOW_UNUSED
- printk(KERN_DEBUG "psa_reserved[]: %02X:%02X\n",
- p->psa_reserved[0],
- p->psa_reserved[1]);
-#endif /* DEBUG_SHOW_UNUSED */
- printk(KERN_DEBUG "psa_conf_status: %d, ", p->psa_conf_status);
- printk("psa_crc: 0x%02x%02x, ", p->psa_crc[0], p->psa_crc[1]);
- printk("psa_crc_status: 0x%02x\n", p->psa_crc_status);
-} /* wv_psa_show */
-#endif /* DEBUG_PSA_SHOW */
-
-#ifdef DEBUG_MMC_SHOW
-/*------------------------------------------------------------------*/
-/*
- * Print the formatted status of the Modem Management Controller.
- * This function need to be completed...
- */
-static void
-wv_mmc_show(struct net_device * dev)
-{
- unsigned int base = dev->base_addr;
- net_local * lp = netdev_priv(dev);
- mmr_t m;
-
- /* Basic check */
- if(hasr_read(base) & HASR_NO_CLK)
- {
- printk(KERN_WARNING "%s: wv_mmc_show: modem not connected\n",
- dev->name);
- return;
- }
-
- spin_lock_irqsave(&lp->spinlock, flags);
-
- /* Read the mmc */
- mmc_out(base, mmwoff(0, mmw_freeze), 1);
- mmc_read(base, 0, (u_char *)&m, sizeof(m));
- mmc_out(base, mmwoff(0, mmw_freeze), 0);
-
- /* Don't forget to update statistics */
- lp->wstats.discard.nwid += (m.mmr_wrong_nwid_h << 8) | m.mmr_wrong_nwid_l;
-
- spin_unlock_irqrestore(&lp->spinlock, flags);
-
- printk(KERN_DEBUG "##### wavelan modem status registers: #####\n");
-#ifdef DEBUG_SHOW_UNUSED
- printk(KERN_DEBUG "mmc_unused0[]: %02X:%02X:%02X:%02X:%02X:%02X:%02X:%02X\n",
- m.mmr_unused0[0],
- m.mmr_unused0[1],
- m.mmr_unused0[2],
- m.mmr_unused0[3],
- m.mmr_unused0[4],
- m.mmr_unused0[5],
- m.mmr_unused0[6],
- m.mmr_unused0[7]);
-#endif /* DEBUG_SHOW_UNUSED */
- printk(KERN_DEBUG "Encryption algorithm: %02X - Status: %02X\n",
- m.mmr_des_avail, m.mmr_des_status);
-#ifdef DEBUG_SHOW_UNUSED
- printk(KERN_DEBUG "mmc_unused1[]: %02X:%02X:%02X:%02X:%02X\n",
- m.mmr_unused1[0],
- m.mmr_unused1[1],
- m.mmr_unused1[2],
- m.mmr_unused1[3],
- m.mmr_unused1[4]);
-#endif /* DEBUG_SHOW_UNUSED */
- printk(KERN_DEBUG "dce_status: 0x%x [%s%s%s%s]\n",
- m.mmr_dce_status,
- (m.mmr_dce_status & MMR_DCE_STATUS_RX_BUSY) ? "energy detected,":"",
- (m.mmr_dce_status & MMR_DCE_STATUS_LOOPT_IND) ?
- "loop test indicated," : "",
- (m.mmr_dce_status & MMR_DCE_STATUS_TX_BUSY) ? "transmitter on," : "",
- (m.mmr_dce_status & MMR_DCE_STATUS_JBR_EXPIRED) ?
- "jabber timer expired," : "");
- printk(KERN_DEBUG "Dsp ID: %02X\n",
- m.mmr_dsp_id);
-#ifdef DEBUG_SHOW_UNUSED
- printk(KERN_DEBUG "mmc_unused2[]: %02X:%02X\n",
- m.mmr_unused2[0],
- m.mmr_unused2[1]);
-#endif /* DEBUG_SHOW_UNUSED */
- printk(KERN_DEBUG "# correct_nwid: %d, # wrong_nwid: %d\n",
- (m.mmr_correct_nwid_h << 8) | m.mmr_correct_nwid_l,
- (m.mmr_wrong_nwid_h << 8) | m.mmr_wrong_nwid_l);
- printk(KERN_DEBUG "thr_pre_set: 0x%x [current signal %s]\n",
- m.mmr_thr_pre_set & MMR_THR_PRE_SET,
- (m.mmr_thr_pre_set & MMR_THR_PRE_SET_CUR) ? "above" : "below");
- printk(KERN_DEBUG "signal_lvl: %d [%s], ",
- m.mmr_signal_lvl & MMR_SIGNAL_LVL,
- (m.mmr_signal_lvl & MMR_SIGNAL_LVL_VALID) ? "new msg" : "no new msg");
- printk("silence_lvl: %d [%s], ", m.mmr_silence_lvl & MMR_SILENCE_LVL,
- (m.mmr_silence_lvl & MMR_SILENCE_LVL_VALID) ? "update done" : "no new update");
- printk("sgnl_qual: 0x%x [%s]\n", m.mmr_sgnl_qual & MMR_SGNL_QUAL,
- (m.mmr_sgnl_qual & MMR_SGNL_QUAL_ANT) ? "Antenna 1" : "Antenna 0");
-#ifdef DEBUG_SHOW_UNUSED
- printk(KERN_DEBUG "netw_id_l: %x\n", m.mmr_netw_id_l);
-#endif /* DEBUG_SHOW_UNUSED */
-} /* wv_mmc_show */
-#endif /* DEBUG_MMC_SHOW */
-
-#ifdef DEBUG_I82593_SHOW
-/*------------------------------------------------------------------*/
-/*
- * Print the formatted status of the i82593's receive unit.
- */
-static void
-wv_ru_show(struct net_device * dev)
-{
- net_local *lp = netdev_priv(dev);
-
- printk(KERN_DEBUG "##### wavelan i82593 receiver status: #####\n");
- printk(KERN_DEBUG "ru: rfp %d stop %d", lp->rfp, lp->stop);
- /*
- * Not implemented yet...
- */
- printk("\n");
-} /* wv_ru_show */
-#endif /* DEBUG_I82593_SHOW */
-
-#ifdef DEBUG_DEVICE_SHOW
-/*------------------------------------------------------------------*/
-/*
- * Print the formatted status of the WaveLAN PCMCIA device driver.
- */
-static void
-wv_dev_show(struct net_device * dev)
-{
- printk(KERN_DEBUG "dev:");
- printk(" state=%lX,", dev->state);
- printk(" trans_start=%ld,", dev->trans_start);
- printk(" flags=0x%x,", dev->flags);
- printk("\n");
-} /* wv_dev_show */
-
-/*------------------------------------------------------------------*/
-/*
- * Print the formatted status of the WaveLAN PCMCIA device driver's
- * private information.
- */
-static void
-wv_local_show(struct net_device * dev)
-{
- net_local *lp = netdev_priv(dev);
-
- printk(KERN_DEBUG "local:");
- /*
- * Not implemented yet...
- */
- printk("\n");
-} /* wv_local_show */
-#endif /* DEBUG_DEVICE_SHOW */
-
-#if defined(DEBUG_RX_INFO) || defined(DEBUG_TX_INFO)
-/*------------------------------------------------------------------*/
-/*
- * Dump packet header (and content if necessary) on the screen
- */
-static void
-wv_packet_info(u_char * p, /* Packet to dump */
- int length, /* Length of the packet */
- char * msg1, /* Name of the device */
- char * msg2) /* Name of the function */
-{
- int i;
- int maxi;
-
- printk(KERN_DEBUG "%s: %s(): dest %pM, length %d\n",
- msg1, msg2, p, length);
- printk(KERN_DEBUG "%s: %s(): src %pM, type 0x%02X%02X\n",
- msg1, msg2, &p[6], p[12], p[13]);
-
-#ifdef DEBUG_PACKET_DUMP
-
- printk(KERN_DEBUG "data=\"");
-
- if((maxi = length) > DEBUG_PACKET_DUMP)
- maxi = DEBUG_PACKET_DUMP;
- for(i = 14; i < maxi; i++)
- if(p[i] >= ' ' && p[i] <= '~')
- printk(" %c", p[i]);
- else
- printk("%02X", p[i]);
- if(maxi < length)
- printk("..");
- printk("\"\n");
- printk(KERN_DEBUG "\n");
-#endif /* DEBUG_PACKET_DUMP */
-}
-#endif /* defined(DEBUG_RX_INFO) || defined(DEBUG_TX_INFO) */
-
-/*------------------------------------------------------------------*/
-/*
- * This is the information which is displayed by the driver at startup
- * There is a lot of flag to configure it at your will...
- */
-static void
-wv_init_info(struct net_device * dev)
-{
- unsigned int base = dev->base_addr;
- psa_t psa;
-
- /* Read the parameter storage area */
- psa_read(dev, 0, (unsigned char *) &psa, sizeof(psa));
-
-#ifdef DEBUG_PSA_SHOW
- wv_psa_show(&psa);
-#endif
-#ifdef DEBUG_MMC_SHOW
- wv_mmc_show(dev);
-#endif
-#ifdef DEBUG_I82593_SHOW
- wv_ru_show(dev);
-#endif
-
-#ifdef DEBUG_BASIC_SHOW
- /* Now, let's go for the basic stuff */
- printk(KERN_NOTICE "%s: WaveLAN: port %#x, irq %d, hw_addr %pM",
- dev->name, base, dev->irq, dev->dev_addr);
-
- /* Print current network id */
- if(psa.psa_nwid_select)
- printk(", nwid 0x%02X-%02X", psa.psa_nwid[0], psa.psa_nwid[1]);
- else
- printk(", nwid off");
-
- /* If 2.00 card */
- if(!(mmc_in(base, mmroff(0, mmr_fee_status)) &
- (MMR_FEE_STATUS_DWLD | MMR_FEE_STATUS_BUSY)))
- {
- unsigned short freq;
-
- /* Ask the EEprom to read the frequency from the first area */
- fee_read(base, 0x00 /* 1st area - frequency... */,
- &freq, 1);
-
- /* Print frequency */
- printk(", 2.00, %ld", (freq >> 6) + 2400L);
-
- /* Hack !!! */
- if(freq & 0x20)
- printk(".5");
- }
- else
- {
- printk(", PCMCIA, ");
- switch (psa.psa_subband)
- {
- case PSA_SUBBAND_915:
- printk("915");
- break;
- case PSA_SUBBAND_2425:
- printk("2425");
- break;
- case PSA_SUBBAND_2460:
- printk("2460");
- break;
- case PSA_SUBBAND_2484:
- printk("2484");
- break;
- case PSA_SUBBAND_2430_5:
- printk("2430.5");
- break;
- default:
- printk("unknown");
- }
- }
-
- printk(" MHz\n");
-#endif /* DEBUG_BASIC_SHOW */
-
-#ifdef DEBUG_VERSION_SHOW
- /* Print version information */
- printk(KERN_NOTICE "%s", version);
-#endif
-} /* wv_init_info */
-
-/********************* IOCTL, STATS & RECONFIG *********************/
-/*
- * We found here routines that are called by Linux on differents
- * occasions after the configuration and not for transmitting data
- * These may be called when the user use ifconfig, /proc/net/dev
- * or wireless extensions
- */
-
-
-/*------------------------------------------------------------------*/
-/*
- * Set or clear the multicast filter for this adaptor.
- * num_addrs == -1 Promiscuous mode, receive all packets
- * num_addrs == 0 Normal mode, clear multicast list
- * num_addrs > 0 Multicast mode, receive normal and MC packets,
- * and do best-effort filtering.
- */
-
-static void
-wavelan_set_multicast_list(struct net_device * dev)
-{
- net_local * lp = netdev_priv(dev);
-
-#ifdef DEBUG_IOCTL_TRACE
- printk(KERN_DEBUG "%s: ->wavelan_set_multicast_list()\n", dev->name);
-#endif
-
-#ifdef DEBUG_IOCTL_INFO
- printk(KERN_DEBUG "%s: wavelan_set_multicast_list(): setting Rx mode %02X to %d addresses.\n",
- dev->name, dev->flags, dev->mc_count);
-#endif
-
- if(dev->flags & IFF_PROMISC)
- {
- /*
- * Enable promiscuous mode: receive all packets.
- */
- if(!lp->promiscuous)
- {
- lp->promiscuous = 1;
- lp->allmulticast = 0;
- lp->mc_count = 0;
-
- wv_82593_reconfig(dev);
- }
- }
- else
- /* If all multicast addresses
- * or too much multicast addresses for the hardware filter */
- if((dev->flags & IFF_ALLMULTI) ||
- (dev->mc_count > I82593_MAX_MULTICAST_ADDRESSES))
- {
- /*
- * Disable promiscuous mode, but active the all multicast mode
- */
- if(!lp->allmulticast)
- {
- lp->promiscuous = 0;
- lp->allmulticast = 1;
- lp->mc_count = 0;
-
- wv_82593_reconfig(dev);
- }
- }
- else
- /* If there is some multicast addresses to send */
- if(dev->mc_list != (struct dev_mc_list *) NULL)
- {
- /*
- * Disable promiscuous mode, but receive all packets
- * in multicast list
- */
-#ifdef MULTICAST_AVOID
- if(lp->promiscuous || lp->allmulticast ||
- (dev->mc_count != lp->mc_count))
-#endif
- {
- lp->promiscuous = 0;
- lp->allmulticast = 0;
- lp->mc_count = dev->mc_count;
-
- wv_82593_reconfig(dev);
- }
- }
- else
- {
- /*
- * Switch to normal mode: disable promiscuous mode and
- * clear the multicast list.
- */
- if(lp->promiscuous || lp->mc_count == 0)
- {
- lp->promiscuous = 0;
- lp->allmulticast = 0;
- lp->mc_count = 0;
-
- wv_82593_reconfig(dev);
- }
- }
-#ifdef DEBUG_IOCTL_TRACE
- printk(KERN_DEBUG "%s: <-wavelan_set_multicast_list()\n", dev->name);
-#endif
-}
-
-/*------------------------------------------------------------------*/
-/*
- * This function doesn't exist...
- * (Note : it was a nice way to test the reconfigure stuff...)
- */
-#ifdef SET_MAC_ADDRESS
-static int
-wavelan_set_mac_address(struct net_device * dev,
- void * addr)
-{
- struct sockaddr * mac = addr;
-
- /* Copy the address */
- memcpy(dev->dev_addr, mac->sa_data, WAVELAN_ADDR_SIZE);
-
- /* Reconfig the beast */
- wv_82593_reconfig(dev);
-
- return 0;
-}
-#endif /* SET_MAC_ADDRESS */
-
-
-/*------------------------------------------------------------------*/
-/*
- * Frequency setting (for hardware able of it)
- * It's a bit complicated and you don't really want to look into it...
- */
-static int
-wv_set_frequency(u_long base, /* i/o port of the card */
- iw_freq * frequency)
-{
- const int BAND_NUM = 10; /* Number of bands */
- long freq = 0L; /* offset to 2.4 GHz in .5 MHz */
-#ifdef DEBUG_IOCTL_INFO
- int i;
-#endif
-
- /* Setting by frequency */
- /* Theoritically, you may set any frequency between
- * the two limits with a 0.5 MHz precision. In practice,
- * I don't want you to have trouble with local
- * regulations... */
- if((frequency->e == 1) &&
- (frequency->m >= (int) 2.412e8) && (frequency->m <= (int) 2.487e8))
- {
- freq = ((frequency->m / 10000) - 24000L) / 5;
- }
-
- /* Setting by channel (same as wfreqsel) */
- /* Warning : each channel is 22MHz wide, so some of the channels
- * will interfere... */
- if((frequency->e == 0) &&
- (frequency->m >= 0) && (frequency->m < BAND_NUM))
- {
- /* Get frequency offset. */
- freq = channel_bands[frequency->m] >> 1;
- }
-
- /* Verify if the frequency is allowed */
- if(freq != 0L)
- {
- u_short table[10]; /* Authorized frequency table */
-
- /* Read the frequency table */
- fee_read(base, 0x71 /* frequency table */,
- table, 10);
-
-#ifdef DEBUG_IOCTL_INFO
- printk(KERN_DEBUG "Frequency table :");
- for(i = 0; i < 10; i++)
- {
- printk(" %04X",
- table[i]);
- }
- printk("\n");
-#endif
-
- /* Look in the table if the frequency is allowed */
- if(!(table[9 - ((freq - 24) / 16)] &
- (1 << ((freq - 24) % 16))))
- return -EINVAL; /* not allowed */
- }
- else
- return -EINVAL;
-
- /* If we get a usable frequency */
- if(freq != 0L)
- {
- unsigned short area[16];
- unsigned short dac[2];
- unsigned short area_verify[16];
- unsigned short dac_verify[2];
- /* Corresponding gain (in the power adjust value table)
- * see AT&T Wavelan Data Manual, REF 407-024689/E, page 3-8
- * & WCIN062D.DOC, page 6.2.9 */
- unsigned short power_limit[] = { 40, 80, 120, 160, 0 };
- int power_band = 0; /* Selected band */
- unsigned short power_adjust; /* Correct value */
-
- /* Search for the gain */
- power_band = 0;
- while((freq > power_limit[power_band]) &&
- (power_limit[++power_band] != 0))
- ;
-
- /* Read the first area */
- fee_read(base, 0x00,
- area, 16);
-
- /* Read the DAC */
- fee_read(base, 0x60,
- dac, 2);
-
- /* Read the new power adjust value */
- fee_read(base, 0x6B - (power_band >> 1),
- &power_adjust, 1);
- if(power_band & 0x1)
- power_adjust >>= 8;
- else
- power_adjust &= 0xFF;
-
-#ifdef DEBUG_IOCTL_INFO
- printk(KERN_DEBUG "Wavelan EEprom Area 1 :");
- for(i = 0; i < 16; i++)
- {
- printk(" %04X",
- area[i]);
- }
- printk("\n");
-
- printk(KERN_DEBUG "Wavelan EEprom DAC : %04X %04X\n",
- dac[0], dac[1]);
-#endif
-
- /* Frequency offset (for info only...) */
- area[0] = ((freq << 5) & 0xFFE0) | (area[0] & 0x1F);
-
- /* Receiver Principle main divider coefficient */
- area[3] = (freq >> 1) + 2400L - 352L;
- area[2] = ((freq & 0x1) << 4) | (area[2] & 0xFFEF);
-
- /* Transmitter Main divider coefficient */
- area[13] = (freq >> 1) + 2400L;
- area[12] = ((freq & 0x1) << 4) | (area[2] & 0xFFEF);
-
- /* Others part of the area are flags, bit streams or unused... */
-
- /* Set the value in the DAC */
- dac[1] = ((power_adjust >> 1) & 0x7F) | (dac[1] & 0xFF80);
- dac[0] = ((power_adjust & 0x1) << 4) | (dac[0] & 0xFFEF);
-
- /* Write the first area */
- fee_write(base, 0x00,
- area, 16);
-
- /* Write the DAC */
- fee_write(base, 0x60,
- dac, 2);
-
- /* We now should verify here that the EEprom writing was ok */
-
- /* ReRead the first area */
- fee_read(base, 0x00,
- area_verify, 16);
-
- /* ReRead the DAC */
- fee_read(base, 0x60,
- dac_verify, 2);
-
- /* Compare */
- if(memcmp(area, area_verify, 16 * 2) ||
- memcmp(dac, dac_verify, 2 * 2))
- {
-#ifdef DEBUG_IOCTL_ERROR
- printk(KERN_INFO "Wavelan: wv_set_frequency : unable to write new frequency to EEprom (?)\n");
-#endif
- return -EOPNOTSUPP;
- }
-
- /* We must download the frequency parameters to the
- * synthetisers (from the EEprom - area 1)
- * Note : as the EEprom is auto decremented, we set the end
- * if the area... */
- mmc_out(base, mmwoff(0, mmw_fee_addr), 0x0F);
- mmc_out(base, mmwoff(0, mmw_fee_ctrl),
- MMW_FEE_CTRL_READ | MMW_FEE_CTRL_DWLD);
-
- /* Wait until the download is finished */
- fee_wait(base, 100, 100);
-
- /* We must now download the power adjust value (gain) to
- * the synthetisers (from the EEprom - area 7 - DAC) */
- mmc_out(base, mmwoff(0, mmw_fee_addr), 0x61);
- mmc_out(base, mmwoff(0, mmw_fee_ctrl),
- MMW_FEE_CTRL_READ | MMW_FEE_CTRL_DWLD);
-
- /* Wait until the download is finished */
- fee_wait(base, 100, 100);
-
-#ifdef DEBUG_IOCTL_INFO
- /* Verification of what we have done... */
-
- printk(KERN_DEBUG "Wavelan EEprom Area 1 :");
- for(i = 0; i < 16; i++)
- {
- printk(" %04X",
- area_verify[i]);
- }
- printk("\n");
-
- printk(KERN_DEBUG "Wavelan EEprom DAC : %04X %04X\n",
- dac_verify[0], dac_verify[1]);
-#endif
-
- return 0;
- }
- else
- return -EINVAL; /* Bah, never get there... */
-}
-
-/*------------------------------------------------------------------*/
-/*
- * Give the list of available frequencies
- */
-static int
-wv_frequency_list(u_long base, /* i/o port of the card */
- iw_freq * list, /* List of frequency to fill */
- int max) /* Maximum number of frequencies */
-{
- u_short table[10]; /* Authorized frequency table */
- long freq = 0L; /* offset to 2.4 GHz in .5 MHz + 12 MHz */
- int i; /* index in the table */
- const int BAND_NUM = 10; /* Number of bands */
- int c = 0; /* Channel number */
-
- /* Read the frequency table */
- fee_read(base, 0x71 /* frequency table */,
- table, 10);
-
- /* Look all frequencies */
- i = 0;
- for(freq = 0; freq < 150; freq++)
- /* Look in the table if the frequency is allowed */
- if(table[9 - (freq / 16)] & (1 << (freq % 16)))
- {
- /* Compute approximate channel number */
- while((((channel_bands[c] >> 1) - 24) < freq) &&
- (c < BAND_NUM))
- c++;
- list[i].i = c; /* Set the list index */
-
- /* put in the list */
- list[i].m = (((freq + 24) * 5) + 24000L) * 10000;
- list[i++].e = 1;
-
- /* Check number */
- if(i >= max)
- return(i);
- }
-
- return(i);
-}
-
-#ifdef IW_WIRELESS_SPY
-/*------------------------------------------------------------------*/
-/*
- * Gather wireless spy statistics : for each packet, compare the source
- * address with out list, and if match, get the stats...
- * Sorry, but this function really need wireless extensions...
- */
-static inline void
-wl_spy_gather(struct net_device * dev,
- u_char * mac, /* MAC address */
- u_char * stats) /* Statistics to gather */
-{
- struct iw_quality wstats;
-
- wstats.qual = stats[2] & MMR_SGNL_QUAL;
- wstats.level = stats[0] & MMR_SIGNAL_LVL;
- wstats.noise = stats[1] & MMR_SILENCE_LVL;
- wstats.updated = 0x7;
-
- /* Update spy records */
- wireless_spy_update(dev, mac, &wstats);
-}
-#endif /* IW_WIRELESS_SPY */
-
-#ifdef HISTOGRAM
-/*------------------------------------------------------------------*/
-/*
- * This function calculate an histogram on the signal level.
- * As the noise is quite constant, it's like doing it on the SNR.
- * We have defined a set of interval (lp->his_range), and each time
- * the level goes in that interval, we increment the count (lp->his_sum).
- * With this histogram you may detect if one wavelan is really weak,
- * or you may also calculate the mean and standard deviation of the level...
- */
-static inline void
-wl_his_gather(struct net_device * dev,
- u_char * stats) /* Statistics to gather */
-{
- net_local * lp = netdev_priv(dev);
- u_char level = stats[0] & MMR_SIGNAL_LVL;
- int i;
-
- /* Find the correct interval */
- i = 0;
- while((i < (lp->his_number - 1)) && (level >= lp->his_range[i++]))
- ;
-
- /* Increment interval counter */
- (lp->his_sum[i])++;
-}
-#endif /* HISTOGRAM */
-
-static void wl_get_drvinfo(struct net_device *dev, struct ethtool_drvinfo *info)
-{
- strncpy(info->driver, "wavelan_cs", sizeof(info->driver)-1);
-}
-
-static const struct ethtool_ops ops = {
- .get_drvinfo = wl_get_drvinfo
-};
-
-/*------------------------------------------------------------------*/
-/*
- * Wireless Handler : get protocol name
- */
-static int wavelan_get_name(struct net_device *dev,
- struct iw_request_info *info,
- union iwreq_data *wrqu,
- char *extra)
-{
- strcpy(wrqu->name, "WaveLAN");
- return 0;
-}
-
-/*------------------------------------------------------------------*/
-/*
- * Wireless Handler : set NWID
- */
-static int wavelan_set_nwid(struct net_device *dev,
- struct iw_request_info *info,
- union iwreq_data *wrqu,
- char *extra)
-{
- unsigned int base = dev->base_addr;
- net_local *lp = netdev_priv(dev);
- psa_t psa;
- mm_t m;
- unsigned long flags;
- int ret = 0;
-
- /* Disable interrupts and save flags. */
- spin_lock_irqsave(&lp->spinlock, flags);
-
- /* Set NWID in WaveLAN. */
- if (!wrqu->nwid.disabled) {
- /* Set NWID in psa */
- psa.psa_nwid[0] = (wrqu->nwid.value & 0xFF00) >> 8;
- psa.psa_nwid[1] = wrqu->nwid.value & 0xFF;
- psa.psa_nwid_select = 0x01;
- psa_write(dev,
- (char *) psa.psa_nwid - (char *) &psa,
- (unsigned char *) psa.psa_nwid, 3);
-
- /* Set NWID in mmc. */
- m.w.mmw_netw_id_l = psa.psa_nwid[1];
- m.w.mmw_netw_id_h = psa.psa_nwid[0];
- mmc_write(base,
- (char *) &m.w.mmw_netw_id_l -
- (char *) &m,
- (unsigned char *) &m.w.mmw_netw_id_l, 2);
- mmc_out(base, mmwoff(0, mmw_loopt_sel), 0x00);
- } else {
- /* Disable NWID in the psa. */
- psa.psa_nwid_select = 0x00;
- psa_write(dev,
- (char *) &psa.psa_nwid_select -
- (char *) &psa,
- (unsigned char *) &psa.psa_nwid_select,
- 1);
-
- /* Disable NWID in the mmc (no filtering). */
- mmc_out(base, mmwoff(0, mmw_loopt_sel),
- MMW_LOOPT_SEL_DIS_NWID);
- }
- /* update the Wavelan checksum */
- update_psa_checksum(dev);
-
- /* Enable interrupts and restore flags. */
- spin_unlock_irqrestore(&lp->spinlock, flags);
-
- return ret;
-}
-
-/*------------------------------------------------------------------*/
-/*
- * Wireless Handler : get NWID
- */
-static int wavelan_get_nwid(struct net_device *dev,
- struct iw_request_info *info,
- union iwreq_data *wrqu,
- char *extra)
-{
- net_local *lp = netdev_priv(dev);
- psa_t psa;
- unsigned long flags;
- int ret = 0;
-
- /* Disable interrupts and save flags. */
- spin_lock_irqsave(&lp->spinlock, flags);
-
- /* Read the NWID. */
- psa_read(dev,
- (char *) psa.psa_nwid - (char *) &psa,
- (unsigned char *) psa.psa_nwid, 3);
- wrqu->nwid.value = (psa.psa_nwid[0] << 8) + psa.psa_nwid[1];
- wrqu->nwid.disabled = !(psa.psa_nwid_select);
- wrqu->nwid.fixed = 1; /* Superfluous */
-
- /* Enable interrupts and restore flags. */
- spin_unlock_irqrestore(&lp->spinlock, flags);
-
- return ret;
-}
-
-/*------------------------------------------------------------------*/
-/*
- * Wireless Handler : set frequency
- */
-static int wavelan_set_freq(struct net_device *dev,
- struct iw_request_info *info,
- union iwreq_data *wrqu,
- char *extra)
-{
- unsigned int base = dev->base_addr;
- net_local *lp = netdev_priv(dev);
- unsigned long flags;
- int ret;
-
- /* Disable interrupts and save flags. */
- spin_lock_irqsave(&lp->spinlock, flags);
-
- /* Attempt to recognise 2.00 cards (2.4 GHz frequency selectable). */
- if (!(mmc_in(base, mmroff(0, mmr_fee_status)) &
- (MMR_FEE_STATUS_DWLD | MMR_FEE_STATUS_BUSY)))
- ret = wv_set_frequency(base, &(wrqu->freq));
- else
- ret = -EOPNOTSUPP;
-
- /* Enable interrupts and restore flags. */
- spin_unlock_irqrestore(&lp->spinlock, flags);
-
- return ret;
-}
-
-/*------------------------------------------------------------------*/
-/*
- * Wireless Handler : get frequency
- */
-static int wavelan_get_freq(struct net_device *dev,
- struct iw_request_info *info,
- union iwreq_data *wrqu,
- char *extra)
-{
- unsigned int base = dev->base_addr;
- net_local *lp = netdev_priv(dev);
- psa_t psa;
- unsigned long flags;
- int ret = 0;
-
- /* Disable interrupts and save flags. */
- spin_lock_irqsave(&lp->spinlock, flags);
-
- /* Attempt to recognise 2.00 cards (2.4 GHz frequency selectable).
- * Does it work for everybody, especially old cards? */
- if (!(mmc_in(base, mmroff(0, mmr_fee_status)) &
- (MMR_FEE_STATUS_DWLD | MMR_FEE_STATUS_BUSY))) {
- unsigned short freq;
-
- /* Ask the EEPROM to read the frequency from the first area. */
- fee_read(base, 0x00, &freq, 1);
- wrqu->freq.m = ((freq >> 5) * 5 + 24000L) * 10000;
- wrqu->freq.e = 1;
- } else {
- psa_read(dev,
- (char *) &psa.psa_subband - (char *) &psa,
- (unsigned char *) &psa.psa_subband, 1);
-
- if (psa.psa_subband <= 4) {
- wrqu->freq.m = fixed_bands[psa.psa_subband];
- wrqu->freq.e = (psa.psa_subband != 0);
- } else
- ret = -EOPNOTSUPP;
- }
-
- /* Enable interrupts and restore flags. */
- spin_unlock_irqrestore(&lp->spinlock, flags);
-
- return ret;
-}
-
-/*------------------------------------------------------------------*/
-/*
- * Wireless Handler : set level threshold
- */
-static int wavelan_set_sens(struct net_device *dev,
- struct iw_request_info *info,
- union iwreq_data *wrqu,
- char *extra)
-{
- unsigned int base = dev->base_addr;
- net_local *lp = netdev_priv(dev);
- psa_t psa;
- unsigned long flags;
- int ret = 0;
-
- /* Disable interrupts and save flags. */
- spin_lock_irqsave(&lp->spinlock, flags);
-
- /* Set the level threshold. */
- /* We should complain loudly if wrqu->sens.fixed = 0, because we
- * can't set auto mode... */
- psa.psa_thr_pre_set = wrqu->sens.value & 0x3F;
- psa_write(dev,
- (char *) &psa.psa_thr_pre_set - (char *) &psa,
- (unsigned char *) &psa.psa_thr_pre_set, 1);
- /* update the Wavelan checksum */
- update_psa_checksum(dev);
- mmc_out(base, mmwoff(0, mmw_thr_pre_set),
- psa.psa_thr_pre_set);
-
- /* Enable interrupts and restore flags. */
- spin_unlock_irqrestore(&lp->spinlock, flags);
-
- return ret;
-}
-
-/*------------------------------------------------------------------*/
-/*
- * Wireless Handler : get level threshold
- */
-static int wavelan_get_sens(struct net_device *dev,
- struct iw_request_info *info,
- union iwreq_data *wrqu,
- char *extra)
-{
- net_local *lp = netdev_priv(dev);
- psa_t psa;
- unsigned long flags;
- int ret = 0;
-
- /* Disable interrupts and save flags. */
- spin_lock_irqsave(&lp->spinlock, flags);
-
- /* Read the level threshold. */
- psa_read(dev,
- (char *) &psa.psa_thr_pre_set - (char *) &psa,
- (unsigned char *) &psa.psa_thr_pre_set, 1);
- wrqu->sens.value = psa.psa_thr_pre_set & 0x3F;
- wrqu->sens.fixed = 1;
-
- /* Enable interrupts and restore flags. */
- spin_unlock_irqrestore(&lp->spinlock, flags);
-
- return ret;
-}
-
-/*------------------------------------------------------------------*/
-/*
- * Wireless Handler : set encryption key
- */
-static int wavelan_set_encode(struct net_device *dev,
- struct iw_request_info *info,
- union iwreq_data *wrqu,
- char *extra)
-{
- unsigned int base = dev->base_addr;
- net_local *lp = netdev_priv(dev);
- unsigned long flags;
- psa_t psa;
- int ret = 0;
-
- /* Disable interrupts and save flags. */
- spin_lock_irqsave(&lp->spinlock, flags);
-
- /* Check if capable of encryption */
- if (!mmc_encr(base)) {
- ret = -EOPNOTSUPP;
- }
-
- /* Check the size of the key */
- if((wrqu->encoding.length != 8) && (wrqu->encoding.length != 0)) {
- ret = -EINVAL;
- }
-
- if(!ret) {
- /* Basic checking... */
- if (wrqu->encoding.length == 8) {
- /* Copy the key in the driver */
- memcpy(psa.psa_encryption_key, extra,
- wrqu->encoding.length);
- psa.psa_encryption_select = 1;
-
- psa_write(dev,
- (char *) &psa.psa_encryption_select -
- (char *) &psa,
- (unsigned char *) &psa.
- psa_encryption_select, 8 + 1);
-
- mmc_out(base, mmwoff(0, mmw_encr_enable),
- MMW_ENCR_ENABLE_EN | MMW_ENCR_ENABLE_MODE);
- mmc_write(base, mmwoff(0, mmw_encr_key),
- (unsigned char *) &psa.
- psa_encryption_key, 8);
- }
-
- /* disable encryption */
- if (wrqu->encoding.flags & IW_ENCODE_DISABLED) {
- psa.psa_encryption_select = 0;
- psa_write(dev,
- (char *) &psa.psa_encryption_select -
- (char *) &psa,
- (unsigned char *) &psa.
- psa_encryption_select, 1);
-
- mmc_out(base, mmwoff(0, mmw_encr_enable), 0);
- }
- /* update the Wavelan checksum */
- update_psa_checksum(dev);
- }
-
- /* Enable interrupts and restore flags. */
- spin_unlock_irqrestore(&lp->spinlock, flags);
-
- return ret;
-}
-
-/*------------------------------------------------------------------*/
-/*
- * Wireless Handler : get encryption key
- */
-static int wavelan_get_encode(struct net_device *dev,
- struct iw_request_info *info,
- union iwreq_data *wrqu,
- char *extra)
-{
- unsigned int base = dev->base_addr;
- net_local *lp = netdev_priv(dev);
- psa_t psa;
- unsigned long flags;
- int ret = 0;
-
- /* Disable interrupts and save flags. */
- spin_lock_irqsave(&lp->spinlock, flags);
-
- /* Check if encryption is available */
- if (!mmc_encr(base)) {
- ret = -EOPNOTSUPP;
- } else {
- /* Read the encryption key */
- psa_read(dev,
- (char *) &psa.psa_encryption_select -
- (char *) &psa,
- (unsigned char *) &psa.
- psa_encryption_select, 1 + 8);
-
- /* encryption is enabled ? */
- if (psa.psa_encryption_select)
- wrqu->encoding.flags = IW_ENCODE_ENABLED;
- else
- wrqu->encoding.flags = IW_ENCODE_DISABLED;
- wrqu->encoding.flags |= mmc_encr(base);
-
- /* Copy the key to the user buffer */
- wrqu->encoding.length = 8;
- memcpy(extra, psa.psa_encryption_key, wrqu->encoding.length);
- }
-
- /* Enable interrupts and restore flags. */
- spin_unlock_irqrestore(&lp->spinlock, flags);
-
- return ret;
-}
-
-#ifdef WAVELAN_ROAMING_EXT
-/*------------------------------------------------------------------*/
-/*
- * Wireless Handler : set ESSID (domain)
- */
-static int wavelan_set_essid(struct net_device *dev,
- struct iw_request_info *info,
- union iwreq_data *wrqu,
- char *extra)
-{
- net_local *lp = netdev_priv(dev);
- unsigned long flags;
- int ret = 0;
-
- /* Disable interrupts and save flags. */
- spin_lock_irqsave(&lp->spinlock, flags);
-
- /* Check if disable */
- if(wrqu->data.flags == 0)
- lp->filter_domains = 0;
- else {
- char essid[IW_ESSID_MAX_SIZE + 1];
- char * endp;
-
- /* Terminate the string */
- memcpy(essid, extra, wrqu->data.length);
- essid[IW_ESSID_MAX_SIZE] = '\0';
-
-#ifdef DEBUG_IOCTL_INFO
- printk(KERN_DEBUG "SetEssid : ``%s''\n", essid);
-#endif /* DEBUG_IOCTL_INFO */
-
- /* Convert to a number (note : Wavelan specific) */
- lp->domain_id = simple_strtoul(essid, &endp, 16);
- /* Has it worked ? */
- if(endp > essid)
- lp->filter_domains = 1;
- else {
- lp->filter_domains = 0;
- ret = -EINVAL;
- }
- }
-
- /* Enable interrupts and restore flags. */
- spin_unlock_irqrestore(&lp->spinlock, flags);
-
- return ret;
-}
-
-/*------------------------------------------------------------------*/
-/*
- * Wireless Handler : get ESSID (domain)
- */
-static int wavelan_get_essid(struct net_device *dev,
- struct iw_request_info *info,
- union iwreq_data *wrqu,
- char *extra)
-{
- net_local *lp = netdev_priv(dev);
-
- /* Is the domain ID active ? */
- wrqu->data.flags = lp->filter_domains;
-
- /* Copy Domain ID into a string (Wavelan specific) */
- /* Sound crazy, be we can't have a snprintf in the kernel !!! */
- sprintf(extra, "%lX", lp->domain_id);
- extra[IW_ESSID_MAX_SIZE] = '\0';
-
- /* Set the length */
- wrqu->data.length = strlen(extra);
-
- return 0;
-}
-
-/*------------------------------------------------------------------*/
-/*
- * Wireless Handler : set AP address
- */
-static int wavelan_set_wap(struct net_device *dev,
- struct iw_request_info *info,
- union iwreq_data *wrqu,
- char *extra)
-{
-#ifdef DEBUG_IOCTL_INFO
- printk(KERN_DEBUG "Set AP to : %pM\n", wrqu->ap_addr.sa_data);
-#endif /* DEBUG_IOCTL_INFO */
-
- return -EOPNOTSUPP;
-}
-
-/*------------------------------------------------------------------*/
-/*
- * Wireless Handler : get AP address
- */
-static int wavelan_get_wap(struct net_device *dev,
- struct iw_request_info *info,
- union iwreq_data *wrqu,
- char *extra)
-{
- /* Should get the real McCoy instead of own Ethernet address */
- memcpy(wrqu->ap_addr.sa_data, dev->dev_addr, WAVELAN_ADDR_SIZE);
- wrqu->ap_addr.sa_family = ARPHRD_ETHER;
-
- return -EOPNOTSUPP;
-}
-#endif /* WAVELAN_ROAMING_EXT */
-
-#ifdef WAVELAN_ROAMING
-/*------------------------------------------------------------------*/
-/*
- * Wireless Handler : set mode
- */
-static int wavelan_set_mode(struct net_device *dev,
- struct iw_request_info *info,
- union iwreq_data *wrqu,
- char *extra)
-{
- net_local *lp = netdev_priv(dev);
- unsigned long flags;
- int ret = 0;
-
- /* Disable interrupts and save flags. */
- spin_lock_irqsave(&lp->spinlock, flags);
-
- /* Check mode */
- switch(wrqu->mode) {
- case IW_MODE_ADHOC:
- if(do_roaming) {
- wv_roam_cleanup(dev);
- do_roaming = 0;
- }
- break;
- case IW_MODE_INFRA:
- if(!do_roaming) {
- wv_roam_init(dev);
- do_roaming = 1;
- }
- break;
- default:
- ret = -EINVAL;
- }
-
- /* Enable interrupts and restore flags. */
- spin_unlock_irqrestore(&lp->spinlock, flags);
-
- return ret;
-}
-
-/*------------------------------------------------------------------*/
-/*
- * Wireless Handler : get mode
- */
-static int wavelan_get_mode(struct net_device *dev,
- struct iw_request_info *info,
- union iwreq_data *wrqu,
- char *extra)
-{
- if(do_roaming)
- wrqu->mode = IW_MODE_INFRA;
- else
- wrqu->mode = IW_MODE_ADHOC;
-
- return 0;
-}
-#endif /* WAVELAN_ROAMING */
-
-/*------------------------------------------------------------------*/
-/*
- * Wireless Handler : get range info
- */
-static int wavelan_get_range(struct net_device *dev,
- struct iw_request_info *info,
- union iwreq_data *wrqu,
- char *extra)
-{
- unsigned int base = dev->base_addr;
- net_local *lp = netdev_priv(dev);
- struct iw_range *range = (struct iw_range *) extra;
- unsigned long flags;
- int ret = 0;
-
- /* Set the length (very important for backward compatibility) */
- wrqu->data.length = sizeof(struct iw_range);
-
- /* Set all the info we don't care or don't know about to zero */
- memset(range, 0, sizeof(struct iw_range));
-
- /* Set the Wireless Extension versions */
- range->we_version_compiled = WIRELESS_EXT;
- range->we_version_source = 9;
-
- /* Set information in the range struct. */
- range->throughput = 1.4 * 1000 * 1000; /* don't argue on this ! */
- range->min_nwid = 0x0000;
- range->max_nwid = 0xFFFF;
-
- range->sensitivity = 0x3F;
- range->max_qual.qual = MMR_SGNL_QUAL;
- range->max_qual.level = MMR_SIGNAL_LVL;
- range->max_qual.noise = MMR_SILENCE_LVL;
- range->avg_qual.qual = MMR_SGNL_QUAL; /* Always max */
- /* Need to get better values for those two */
- range->avg_qual.level = 30;
- range->avg_qual.noise = 8;
-
- range->num_bitrates = 1;
- range->bitrate[0] = 2000000; /* 2 Mb/s */
-
- /* Event capability (kernel + driver) */
- range->event_capa[0] = (IW_EVENT_CAPA_MASK(0x8B02) |
- IW_EVENT_CAPA_MASK(0x8B04) |
- IW_EVENT_CAPA_MASK(0x8B06));
- range->event_capa[1] = IW_EVENT_CAPA_K_1;
-
- /* Disable interrupts and save flags. */
- spin_lock_irqsave(&lp->spinlock, flags);
-
- /* Attempt to recognise 2.00 cards (2.4 GHz frequency selectable). */
- if (!(mmc_in(base, mmroff(0, mmr_fee_status)) &
- (MMR_FEE_STATUS_DWLD | MMR_FEE_STATUS_BUSY))) {
- range->num_channels = 10;
- range->num_frequency = wv_frequency_list(base, range->freq,
- IW_MAX_FREQUENCIES);
- } else
- range->num_channels = range->num_frequency = 0;
-
- /* Encryption supported ? */
- if (mmc_encr(base)) {
- range->encoding_size[0] = 8; /* DES = 64 bits key */
- range->num_encoding_sizes = 1;
- range->max_encoding_tokens = 1; /* Only one key possible */
- } else {
- range->num_encoding_sizes = 0;
- range->max_encoding_tokens = 0;
- }
-
- /* Enable interrupts and restore flags. */
- spin_unlock_irqrestore(&lp->spinlock, flags);
-
- return ret;
-}
-
-/*------------------------------------------------------------------*/
-/*
- * Wireless Private Handler : set quality threshold
- */
-static int wavelan_set_qthr(struct net_device *dev,
- struct iw_request_info *info,
- union iwreq_data *wrqu,
- char *extra)
-{
- unsigned int base = dev->base_addr;
- net_local *lp = netdev_priv(dev);
- psa_t psa;
- unsigned long flags;
-
- /* Disable interrupts and save flags. */
- spin_lock_irqsave(&lp->spinlock, flags);
-
- psa.psa_quality_thr = *(extra) & 0x0F;
- psa_write(dev,
- (char *) &psa.psa_quality_thr - (char *) &psa,
- (unsigned char *) &psa.psa_quality_thr, 1);
- /* update the Wavelan checksum */
- update_psa_checksum(dev);
- mmc_out(base, mmwoff(0, mmw_quality_thr),
- psa.psa_quality_thr);
-
- /* Enable interrupts and restore flags. */
- spin_unlock_irqrestore(&lp->spinlock, flags);
-
- return 0;
-}
-
-/*------------------------------------------------------------------*/
-/*
- * Wireless Private Handler : get quality threshold
- */
-static int wavelan_get_qthr(struct net_device *dev,
- struct iw_request_info *info,
- union iwreq_data *wrqu,
- char *extra)
-{
- net_local *lp = netdev_priv(dev);
- psa_t psa;
- unsigned long flags;
-
- /* Disable interrupts and save flags. */
- spin_lock_irqsave(&lp->spinlock, flags);
-
- psa_read(dev,
- (char *) &psa.psa_quality_thr - (char *) &psa,
- (unsigned char *) &psa.psa_quality_thr, 1);
- *(extra) = psa.psa_quality_thr & 0x0F;
-
- /* Enable interrupts and restore flags. */
- spin_unlock_irqrestore(&lp->spinlock, flags);
-
- return 0;
-}
-
-#ifdef WAVELAN_ROAMING
-/*------------------------------------------------------------------*/
-/*
- * Wireless Private Handler : set roaming
- */
-static int wavelan_set_roam(struct net_device *dev,
- struct iw_request_info *info,
- union iwreq_data *wrqu,
- char *extra)
-{
- net_local *lp = netdev_priv(dev);
- unsigned long flags;
-
- /* Disable interrupts and save flags. */
- spin_lock_irqsave(&lp->spinlock, flags);
-
- /* Note : should check if user == root */
- if(do_roaming && (*extra)==0)
- wv_roam_cleanup(dev);
- else if(do_roaming==0 && (*extra)!=0)
- wv_roam_init(dev);
-
- do_roaming = (*extra);
-
- /* Enable interrupts and restore flags. */
- spin_unlock_irqrestore(&lp->spinlock, flags);
-
- return 0;
-}
-
-/*------------------------------------------------------------------*/
-/*
- * Wireless Private Handler : get quality threshold
- */
-static int wavelan_get_roam(struct net_device *dev,
- struct iw_request_info *info,
- union iwreq_data *wrqu,
- char *extra)
-{
- *(extra) = do_roaming;
-
- return 0;
-}
-#endif /* WAVELAN_ROAMING */
-
-#ifdef HISTOGRAM
-/*------------------------------------------------------------------*/
-/*
- * Wireless Private Handler : set histogram
- */
-static int wavelan_set_histo(struct net_device *dev,
- struct iw_request_info *info,
- union iwreq_data *wrqu,
- char *extra)
-{
- net_local *lp = netdev_priv(dev);
-
- /* Check the number of intervals. */
- if (wrqu->data.length > 16) {
- return(-E2BIG);
- }
-
- /* Disable histo while we copy the addresses.
- * As we don't disable interrupts, we need to do this */
- lp->his_number = 0;
-
- /* Are there ranges to copy? */
- if (wrqu->data.length > 0) {
- /* Copy interval ranges to the driver */
- memcpy(lp->his_range, extra, wrqu->data.length);
-
- {
- int i;
- printk(KERN_DEBUG "Histo :");
- for(i = 0; i < wrqu->data.length; i++)
- printk(" %d", lp->his_range[i]);
- printk("\n");
- }
-
- /* Reset result structure. */
- memset(lp->his_sum, 0x00, sizeof(long) * 16);
- }
-
- /* Now we can set the number of ranges */
- lp->his_number = wrqu->data.length;
-
- return(0);
-}
-
-/*------------------------------------------------------------------*/
-/*
- * Wireless Private Handler : get histogram
- */
-static int wavelan_get_histo(struct net_device *dev,
- struct iw_request_info *info,
- union iwreq_data *wrqu,
- char *extra)
-{
- net_local *lp = netdev_priv(dev);
-
- /* Set the number of intervals. */
- wrqu->data.length = lp->his_number;
-
- /* Give back the distribution statistics */
- if(lp->his_number > 0)
- memcpy(extra, lp->his_sum, sizeof(long) * lp->his_number);
-
- return(0);
-}
-#endif /* HISTOGRAM */
-
-/*------------------------------------------------------------------*/
-/*
- * Structures to export the Wireless Handlers
- */
-
-static const struct iw_priv_args wavelan_private_args[] = {
-/*{ cmd, set_args, get_args, name } */
- { SIOCSIPQTHR, IW_PRIV_TYPE_BYTE | IW_PRIV_SIZE_FIXED | 1, 0, "setqualthr" },
- { SIOCGIPQTHR, 0, IW_PRIV_TYPE_BYTE | IW_PRIV_SIZE_FIXED | 1, "getqualthr" },
- { SIOCSIPROAM, IW_PRIV_TYPE_BYTE | IW_PRIV_SIZE_FIXED | 1, 0, "setroam" },
- { SIOCGIPROAM, 0, IW_PRIV_TYPE_BYTE | IW_PRIV_SIZE_FIXED | 1, "getroam" },
- { SIOCSIPHISTO, IW_PRIV_TYPE_BYTE | 16, 0, "sethisto" },
- { SIOCGIPHISTO, 0, IW_PRIV_TYPE_INT | 16, "gethisto" },
-};
-
-static const iw_handler wavelan_handler[] =
-{
- NULL, /* SIOCSIWNAME */
- wavelan_get_name, /* SIOCGIWNAME */
- wavelan_set_nwid, /* SIOCSIWNWID */
- wavelan_get_nwid, /* SIOCGIWNWID */
- wavelan_set_freq, /* SIOCSIWFREQ */
- wavelan_get_freq, /* SIOCGIWFREQ */
-#ifdef WAVELAN_ROAMING
- wavelan_set_mode, /* SIOCSIWMODE */
- wavelan_get_mode, /* SIOCGIWMODE */
-#else /* WAVELAN_ROAMING */
- NULL, /* SIOCSIWMODE */
- NULL, /* SIOCGIWMODE */
-#endif /* WAVELAN_ROAMING */
- wavelan_set_sens, /* SIOCSIWSENS */
- wavelan_get_sens, /* SIOCGIWSENS */
- NULL, /* SIOCSIWRANGE */
- wavelan_get_range, /* SIOCGIWRANGE */
- NULL, /* SIOCSIWPRIV */
- NULL, /* SIOCGIWPRIV */
- NULL, /* SIOCSIWSTATS */
- NULL, /* SIOCGIWSTATS */
- iw_handler_set_spy, /* SIOCSIWSPY */
- iw_handler_get_spy, /* SIOCGIWSPY */
- iw_handler_set_thrspy, /* SIOCSIWTHRSPY */
- iw_handler_get_thrspy, /* SIOCGIWTHRSPY */
-#ifdef WAVELAN_ROAMING_EXT
- wavelan_set_wap, /* SIOCSIWAP */
- wavelan_get_wap, /* SIOCGIWAP */
- NULL, /* -- hole -- */
- NULL, /* SIOCGIWAPLIST */
- NULL, /* -- hole -- */
- NULL, /* -- hole -- */
- wavelan_set_essid, /* SIOCSIWESSID */
- wavelan_get_essid, /* SIOCGIWESSID */
-#else /* WAVELAN_ROAMING_EXT */
- NULL, /* SIOCSIWAP */
- NULL, /* SIOCGIWAP */
- NULL, /* -- hole -- */
- NULL, /* SIOCGIWAPLIST */
- NULL, /* -- hole -- */
- NULL, /* -- hole -- */
- NULL, /* SIOCSIWESSID */
- NULL, /* SIOCGIWESSID */
-#endif /* WAVELAN_ROAMING_EXT */
- NULL, /* SIOCSIWNICKN */
- NULL, /* SIOCGIWNICKN */
- NULL, /* -- hole -- */
- NULL, /* -- hole -- */
- NULL, /* SIOCSIWRATE */
- NULL, /* SIOCGIWRATE */
- NULL, /* SIOCSIWRTS */
- NULL, /* SIOCGIWRTS */
- NULL, /* SIOCSIWFRAG */
- NULL, /* SIOCGIWFRAG */
- NULL, /* SIOCSIWTXPOW */
- NULL, /* SIOCGIWTXPOW */
- NULL, /* SIOCSIWRETRY */
- NULL, /* SIOCGIWRETRY */
- wavelan_set_encode, /* SIOCSIWENCODE */
- wavelan_get_encode, /* SIOCGIWENCODE */
-};
-
-static const iw_handler wavelan_private_handler[] =
-{
- wavelan_set_qthr, /* SIOCIWFIRSTPRIV */
- wavelan_get_qthr, /* SIOCIWFIRSTPRIV + 1 */
-#ifdef WAVELAN_ROAMING
- wavelan_set_roam, /* SIOCIWFIRSTPRIV + 2 */
- wavelan_get_roam, /* SIOCIWFIRSTPRIV + 3 */
-#else /* WAVELAN_ROAMING */
- NULL, /* SIOCIWFIRSTPRIV + 2 */
- NULL, /* SIOCIWFIRSTPRIV + 3 */
-#endif /* WAVELAN_ROAMING */
-#ifdef HISTOGRAM
- wavelan_set_histo, /* SIOCIWFIRSTPRIV + 4 */
- wavelan_get_histo, /* SIOCIWFIRSTPRIV + 5 */
-#endif /* HISTOGRAM */
-};
-
-static const struct iw_handler_def wavelan_handler_def =
-{
- .num_standard = ARRAY_SIZE(wavelan_handler),
- .num_private = ARRAY_SIZE(wavelan_private_handler),
- .num_private_args = ARRAY_SIZE(wavelan_private_args),
- .standard = wavelan_handler,
- .private = wavelan_private_handler,
- .private_args = wavelan_private_args,
- .get_wireless_stats = wavelan_get_wireless_stats,
-};
-
-/*------------------------------------------------------------------*/
-/*
- * Get wireless statistics
- * Called by /proc/net/wireless...
- */
-static iw_stats *
-wavelan_get_wireless_stats(struct net_device * dev)
-{
- unsigned int base = dev->base_addr;
- net_local * lp = netdev_priv(dev);
- mmr_t m;
- iw_stats * wstats;
- unsigned long flags;
-
-#ifdef DEBUG_IOCTL_TRACE
- printk(KERN_DEBUG "%s: ->wavelan_get_wireless_stats()\n", dev->name);
-#endif
-
- /* Disable interrupts & save flags */
- spin_lock_irqsave(&lp->spinlock, flags);
-
- wstats = &lp->wstats;
-
- /* Get data from the mmc */
- mmc_out(base, mmwoff(0, mmw_freeze), 1);
-
- mmc_read(base, mmroff(0, mmr_dce_status), &m.mmr_dce_status, 1);
- mmc_read(base, mmroff(0, mmr_wrong_nwid_l), &m.mmr_wrong_nwid_l, 2);
- mmc_read(base, mmroff(0, mmr_thr_pre_set), &m.mmr_thr_pre_set, 4);
-
- mmc_out(base, mmwoff(0, mmw_freeze), 0);
-
- /* Copy data to wireless stuff */
- wstats->status = m.mmr_dce_status & MMR_DCE_STATUS;
- wstats->qual.qual = m.mmr_sgnl_qual & MMR_SGNL_QUAL;
- wstats->qual.level = m.mmr_signal_lvl & MMR_SIGNAL_LVL;
- wstats->qual.noise = m.mmr_silence_lvl & MMR_SILENCE_LVL;
- wstats->qual.updated = (((m.mmr_signal_lvl & MMR_SIGNAL_LVL_VALID) >> 7) |
- ((m.mmr_signal_lvl & MMR_SIGNAL_LVL_VALID) >> 6) |
- ((m.mmr_silence_lvl & MMR_SILENCE_LVL_VALID) >> 5));
- wstats->discard.nwid += (m.mmr_wrong_nwid_h << 8) | m.mmr_wrong_nwid_l;
- wstats->discard.code = 0L;
- wstats->discard.misc = 0L;
-
- /* ReEnable interrupts & restore flags */
- spin_unlock_irqrestore(&lp->spinlock, flags);
-
-#ifdef DEBUG_IOCTL_TRACE
- printk(KERN_DEBUG "%s: <-wavelan_get_wireless_stats()\n", dev->name);
-#endif
- return &lp->wstats;
-}
-
-/************************* PACKET RECEPTION *************************/
-/*
- * This part deal with receiving the packets.
- * The interrupt handler get an interrupt when a packet has been
- * successfully received and called this part...
- */
-
-/*------------------------------------------------------------------*/
-/*
- * Calculate the starting address of the frame pointed to by the receive
- * frame pointer and verify that the frame seem correct
- * (called by wv_packet_rcv())
- */
-static int
-wv_start_of_frame(struct net_device * dev,
- int rfp, /* end of frame */
- int wrap) /* start of buffer */
-{
- unsigned int base = dev->base_addr;
- int rp;
- int len;
-
- rp = (rfp - 5 + RX_SIZE) % RX_SIZE;
- outb(rp & 0xff, PIORL(base));
- outb(((rp >> 8) & PIORH_MASK), PIORH(base));
- len = inb(PIOP(base));
- len |= inb(PIOP(base)) << 8;
-
- /* Sanity checks on size */
- /* Frame too big */
- if(len > MAXDATAZ + 100)
- {
-#ifdef DEBUG_RX_ERROR
- printk(KERN_INFO "%s: wv_start_of_frame: Received frame too large, rfp %d len 0x%x\n",
- dev->name, rfp, len);
-#endif
- return(-1);
- }
-
- /* Frame too short */
- if(len < 7)
- {
-#ifdef DEBUG_RX_ERROR
- printk(KERN_INFO "%s: wv_start_of_frame: Received null frame, rfp %d len 0x%x\n",
- dev->name, rfp, len);
-#endif
- return(-1);
- }
-
- /* Wrap around buffer */
- if(len > ((wrap - (rfp - len) + RX_SIZE) % RX_SIZE)) /* magic formula ! */
- {
-#ifdef DEBUG_RX_ERROR
- printk(KERN_INFO "%s: wv_start_of_frame: wrap around buffer, wrap %d rfp %d len 0x%x\n",
- dev->name, wrap, rfp, len);
-#endif
- return(-1);
- }
-
- return((rp - len + RX_SIZE) % RX_SIZE);
-} /* wv_start_of_frame */
-
-/*------------------------------------------------------------------*/
-/*
- * This routine does the actual copy of data (including the ethernet
- * header structure) from the WaveLAN card to an sk_buff chain that
- * will be passed up to the network interface layer. NOTE: We
- * currently don't handle trailer protocols (neither does the rest of
- * the network interface), so if that is needed, it will (at least in
- * part) be added here. The contents of the receive ring buffer are
- * copied to a message chain that is then passed to the kernel.
- *
- * Note: if any errors occur, the packet is "dropped on the floor"
- * (called by wv_packet_rcv())
- */
-static void
-wv_packet_read(struct net_device * dev,
- int fd_p,
- int sksize)
-{
- net_local * lp = netdev_priv(dev);
- struct sk_buff * skb;
-
-#ifdef DEBUG_RX_TRACE
- printk(KERN_DEBUG "%s: ->wv_packet_read(0x%X, %d)\n",
- dev->name, fd_p, sksize);
-#endif
-
- /* Allocate some buffer for the new packet */
- if((skb = dev_alloc_skb(sksize+2)) == (struct sk_buff *) NULL)
- {
-#ifdef DEBUG_RX_ERROR
- printk(KERN_INFO "%s: wv_packet_read(): could not alloc_skb(%d, GFP_ATOMIC)\n",
- dev->name, sksize);
-#endif
- dev->stats.rx_dropped++;
- /*
- * Not only do we want to return here, but we also need to drop the
- * packet on the floor to clear the interrupt.
- */
- return;
- }
-
- skb_reserve(skb, 2);
- fd_p = read_ringbuf(dev, fd_p, (char *) skb_put(skb, sksize), sksize);
- skb->protocol = eth_type_trans(skb, dev);
-
-#ifdef DEBUG_RX_INFO
- wv_packet_info(skb_mac_header(skb), sksize, dev->name, "wv_packet_read");
-#endif /* DEBUG_RX_INFO */
-
- /* Statistics gathering & stuff associated.
- * It seem a bit messy with all the define, but it's really simple... */
- if(
-#ifdef IW_WIRELESS_SPY
- (lp->spy_data.spy_number > 0) ||
-#endif /* IW_WIRELESS_SPY */
-#ifdef HISTOGRAM
- (lp->his_number > 0) ||
-#endif /* HISTOGRAM */
-#ifdef WAVELAN_ROAMING
- (do_roaming) ||
-#endif /* WAVELAN_ROAMING */
- 0)
- {
- u_char stats[3]; /* Signal level, Noise level, Signal quality */
-
- /* read signal level, silence level and signal quality bytes */
- fd_p = read_ringbuf(dev, (fd_p + 4) % RX_SIZE + RX_BASE,
- stats, 3);
-#ifdef DEBUG_RX_INFO
- printk(KERN_DEBUG "%s: wv_packet_read(): Signal level %d/63, Silence level %d/63, signal quality %d/16\n",
- dev->name, stats[0] & 0x3F, stats[1] & 0x3F, stats[2] & 0x0F);
-#endif
-
-#ifdef WAVELAN_ROAMING
- if(do_roaming)
- if(WAVELAN_BEACON(skb->data))
- wl_roam_gather(dev, skb->data, stats);
-#endif /* WAVELAN_ROAMING */
-
-#ifdef WIRELESS_SPY
- wl_spy_gather(dev, skb_mac_header(skb) + WAVELAN_ADDR_SIZE, stats);
-#endif /* WIRELESS_SPY */
-#ifdef HISTOGRAM
- wl_his_gather(dev, stats);
-#endif /* HISTOGRAM */
- }
-
- /*
- * Hand the packet to the Network Module
- */
- netif_rx(skb);
-
- /* Keep stats up to date */
- dev->stats.rx_packets++;
- dev->stats.rx_bytes += sksize;
-
-#ifdef DEBUG_RX_TRACE
- printk(KERN_DEBUG "%s: <-wv_packet_read()\n", dev->name);
-#endif
- return;
-}
-
-/*------------------------------------------------------------------*/
-/*
- * This routine is called by the interrupt handler to initiate a
- * packet transfer from the card to the network interface layer above
- * this driver. This routine checks if a buffer has been successfully
- * received by the WaveLAN card. If so, the routine wv_packet_read is
- * called to do the actual transfer of the card's data including the
- * ethernet header into a packet consisting of an sk_buff chain.
- * (called by wavelan_interrupt())
- * Note : the spinlock is already grabbed for us and irq are disabled.
- */
-static void
-wv_packet_rcv(struct net_device * dev)
-{
- unsigned int base = dev->base_addr;
- net_local * lp = netdev_priv(dev);
- int newrfp;
- int rp;
- int len;
- int f_start;
- int status;
- int i593_rfp;
- int stat_ptr;
- u_char c[4];
-
-#ifdef DEBUG_RX_TRACE
- printk(KERN_DEBUG "%s: ->wv_packet_rcv()\n", dev->name);
-#endif
-
- /* Get the new receive frame pointer from the i82593 chip */
- outb(CR0_STATUS_2 | OP0_NOP, LCCR(base));
- i593_rfp = inb(LCSR(base));
- i593_rfp |= inb(LCSR(base)) << 8;
- i593_rfp %= RX_SIZE;
-
- /* Get the new receive frame pointer from the WaveLAN card.
- * It is 3 bytes more than the increment of the i82593 receive
- * frame pointer, for each packet. This is because it includes the
- * 3 roaming bytes added by the mmc.
- */
- newrfp = inb(RPLL(base));
- newrfp |= inb(RPLH(base)) << 8;
- newrfp %= RX_SIZE;
-
-#ifdef DEBUG_RX_INFO
- printk(KERN_DEBUG "%s: wv_packet_rcv(): i593_rfp %d stop %d newrfp %d lp->rfp %d\n",
- dev->name, i593_rfp, lp->stop, newrfp, lp->rfp);
-#endif
-
-#ifdef DEBUG_RX_ERROR
- /* If no new frame pointer... */
- if(lp->overrunning || newrfp == lp->rfp)
- printk(KERN_INFO "%s: wv_packet_rcv(): no new frame: i593_rfp %d stop %d newrfp %d lp->rfp %d\n",
- dev->name, i593_rfp, lp->stop, newrfp, lp->rfp);
-#endif
-
- /* Read all frames (packets) received */
- while(newrfp != lp->rfp)
- {
- /* A frame is composed of the packet, followed by a status word,
- * the length of the frame (word) and the mmc info (SNR & qual).
- * It's because the length is at the end that we can only scan
- * frames backward. */
-
- /* Find the first frame by skipping backwards over the frames */
- rp = newrfp; /* End of last frame */
- while(((f_start = wv_start_of_frame(dev, rp, newrfp)) != lp->rfp) &&
- (f_start != -1))
- rp = f_start;
-
- /* If we had a problem */
- if(f_start == -1)
- {
-#ifdef DEBUG_RX_ERROR
- printk(KERN_INFO "wavelan_cs: cannot find start of frame ");
- printk(" i593_rfp %d stop %d newrfp %d lp->rfp %d\n",
- i593_rfp, lp->stop, newrfp, lp->rfp);
-#endif
- lp->rfp = rp; /* Get to the last usable frame */
- continue;
- }
-
- /* f_start point to the beggining of the first frame received
- * and rp to the beggining of the next one */
-
- /* Read status & length of the frame */
- stat_ptr = (rp - 7 + RX_SIZE) % RX_SIZE;
- stat_ptr = read_ringbuf(dev, stat_ptr, c, 4);
- status = c[0] | (c[1] << 8);
- len = c[2] | (c[3] << 8);
-
- /* Check status */
- if((status & RX_RCV_OK) != RX_RCV_OK)
- {
- dev->stats.rx_errors++;
- if(status & RX_NO_SFD)
- dev->stats.rx_frame_errors++;
- if(status & RX_CRC_ERR)
- dev->stats.rx_crc_errors++;
- if(status & RX_OVRRUN)
- dev->stats.rx_over_errors++;
-
-#ifdef DEBUG_RX_FAIL
- printk(KERN_DEBUG "%s: wv_packet_rcv(): packet not received ok, status = 0x%x\n",
- dev->name, status);
-#endif
- }
- else
- /* Read the packet and transmit to Linux */
- wv_packet_read(dev, f_start, len - 2);
-
- /* One frame has been processed, skip it */
- lp->rfp = rp;
- }
-
- /*
- * Update the frame stop register, but set it to less than
- * the full 8K to allow space for 3 bytes of signal strength
- * per packet.
- */
- lp->stop = (i593_rfp + RX_SIZE - ((RX_SIZE / 64) * 3)) % RX_SIZE;
- outb(OP0_SWIT_TO_PORT_1 | CR0_CHNL, LCCR(base));
- outb(CR1_STOP_REG_UPDATE | (lp->stop >> RX_SIZE_SHIFT), LCCR(base));
- outb(OP1_SWIT_TO_PORT_0, LCCR(base));
-
-#ifdef DEBUG_RX_TRACE
- printk(KERN_DEBUG "%s: <-wv_packet_rcv()\n", dev->name);
-#endif
-}
-
-/*********************** PACKET TRANSMISSION ***********************/
-/*
- * This part deal with sending packet through the wavelan
- * We copy the packet to the send buffer and then issue the send
- * command to the i82593. The result of this operation will be
- * checked in wavelan_interrupt()
- */
-
-/*------------------------------------------------------------------*/
-/*
- * This routine fills in the appropriate registers and memory
- * locations on the WaveLAN card and starts the card off on
- * the transmit.
- * (called in wavelan_packet_xmit())
- */
-static void
-wv_packet_write(struct net_device * dev,
- void * buf,
- short length)
-{
- net_local * lp = netdev_priv(dev);
- unsigned int base = dev->base_addr;
- unsigned long flags;
- int clen = length;
- register u_short xmtdata_base = TX_BASE;
-
-#ifdef DEBUG_TX_TRACE
- printk(KERN_DEBUG "%s: ->wv_packet_write(%d)\n", dev->name, length);
-#endif
-
- spin_lock_irqsave(&lp->spinlock, flags);
-
- /* Write the length of data buffer followed by the buffer */
- outb(xmtdata_base & 0xff, PIORL(base));
- outb(((xmtdata_base >> 8) & PIORH_MASK) | PIORH_SEL_TX, PIORH(base));
- outb(clen & 0xff, PIOP(base)); /* lsb */
- outb(clen >> 8, PIOP(base)); /* msb */
-
- /* Send the data */
- outsb(PIOP(base), buf, clen);
-
- /* Indicate end of transmit chain */
- outb(OP0_NOP, PIOP(base));
- /* josullvn@cs.cmu.edu: need to send a second NOP for alignment... */
- outb(OP0_NOP, PIOP(base));
-
- /* Reset the transmit DMA pointer */
- hacr_write_slow(base, HACR_PWR_STAT | HACR_TX_DMA_RESET);
- hacr_write(base, HACR_DEFAULT);
- /* Send the transmit command */
- wv_82593_cmd(dev, "wv_packet_write(): transmit",
- OP0_TRANSMIT, SR0_NO_RESULT);
-
- /* Make sure the watchdog will keep quiet for a while */
- dev->trans_start = jiffies;
-
- /* Keep stats up to date */
- dev->stats.tx_bytes += length;
-
- spin_unlock_irqrestore(&lp->spinlock, flags);
-
-#ifdef DEBUG_TX_INFO
- wv_packet_info((u_char *) buf, length, dev->name, "wv_packet_write");
-#endif /* DEBUG_TX_INFO */
-
-#ifdef DEBUG_TX_TRACE
- printk(KERN_DEBUG "%s: <-wv_packet_write()\n", dev->name);
-#endif
-}
-
-/*------------------------------------------------------------------*/
-/*
- * This routine is called when we want to send a packet (NET3 callback)
- * In this routine, we check if the harware is ready to accept
- * the packet. We also prevent reentrance. Then, we call the function
- * to send the packet...
- */
-static netdev_tx_t
-wavelan_packet_xmit(struct sk_buff * skb,
- struct net_device * dev)
-{
- net_local * lp = netdev_priv(dev);
- unsigned long flags;
-
-#ifdef DEBUG_TX_TRACE
- printk(KERN_DEBUG "%s: ->wavelan_packet_xmit(0x%X)\n", dev->name,
- (unsigned) skb);
-#endif
-
- /*
- * Block a timer-based transmit from overlapping a previous transmit.
- * In other words, prevent reentering this routine.
- */
- netif_stop_queue(dev);
-
- /* If somebody has asked to reconfigure the controller,
- * we can do it now */
- if(lp->reconfig_82593)
- {
- spin_lock_irqsave(&lp->spinlock, flags); /* Disable interrupts */
- wv_82593_config(dev);
- spin_unlock_irqrestore(&lp->spinlock, flags); /* Re-enable interrupts */
- /* Note : the configure procedure was totally synchronous,
- * so the Tx buffer is now free */
- }
-
- /* Check if we need some padding */
- /* Note : on wireless the propagation time is in the order of 1us,
- * and we don't have the Ethernet specific requirement of beeing
- * able to detect collisions, therefore in theory we don't really
- * need to pad. Jean II */
- if (skb_padto(skb, ETH_ZLEN))
- return NETDEV_TX_OK;
-
- wv_packet_write(dev, skb->data, skb->len);
-
- dev_kfree_skb(skb);
-
-#ifdef DEBUG_TX_TRACE
- printk(KERN_DEBUG "%s: <-wavelan_packet_xmit()\n", dev->name);
-#endif
- return NETDEV_TX_OK;
-}
-
-/********************** HARDWARE CONFIGURATION **********************/
-/*
- * This part do the real job of starting and configuring the hardware.
- */
-
-/*------------------------------------------------------------------*/
-/*
- * Routine to initialize the Modem Management Controller.
- * (called by wv_hw_config())
- */
-static int
-wv_mmc_init(struct net_device * dev)
-{
- unsigned int base = dev->base_addr;
- psa_t psa;
- mmw_t m;
- int configured;
- int i; /* Loop counter */
-
-#ifdef DEBUG_CONFIG_TRACE
- printk(KERN_DEBUG "%s: ->wv_mmc_init()\n", dev->name);
-#endif
-
- /* Read the parameter storage area */
- psa_read(dev, 0, (unsigned char *) &psa, sizeof(psa));
-
- /*
- * Check the first three octets of the MAC addr for the manufacturer's code.
- * Note: If you get the error message below, you've got a
- * non-NCR/AT&T/Lucent PCMCIA cards, see wavelan_cs.h for detail on
- * how to configure your card...
- */
- for (i = 0; i < ARRAY_SIZE(MAC_ADDRESSES); i++)
- if ((psa.psa_univ_mac_addr[0] == MAC_ADDRESSES[i][0]) &&
- (psa.psa_univ_mac_addr[1] == MAC_ADDRESSES[i][1]) &&
- (psa.psa_univ_mac_addr[2] == MAC_ADDRESSES[i][2]))
- break;
-
- /* If we have not found it... */
- if (i == ARRAY_SIZE(MAC_ADDRESSES))
- {
-#ifdef DEBUG_CONFIG_ERRORS
- printk(KERN_WARNING "%s: wv_mmc_init(): Invalid MAC address: %02X:%02X:%02X:...\n",
- dev->name, psa.psa_univ_mac_addr[0],
- psa.psa_univ_mac_addr[1], psa.psa_univ_mac_addr[2]);
-#endif
- return FALSE;
- }
-
- /* Get the MAC address */
- memcpy(&dev->dev_addr[0], &psa.psa_univ_mac_addr[0], WAVELAN_ADDR_SIZE);
-
-#ifdef USE_PSA_CONFIG
- configured = psa.psa_conf_status & 1;
-#else
- configured = 0;
-#endif
-
- /* Is the PSA is not configured */
- if(!configured)
- {
- /* User will be able to configure NWID after (with iwconfig) */
- psa.psa_nwid[0] = 0;
- psa.psa_nwid[1] = 0;
-
- /* As NWID is not set : no NWID checking */
- psa.psa_nwid_select = 0;
-
- /* Disable encryption */
- psa.psa_encryption_select = 0;
-
- /* Set to standard values
- * 0x04 for AT,
- * 0x01 for MCA,
- * 0x04 for PCMCIA and 2.00 card (AT&T 407-024689/E document)
- */
- if (psa.psa_comp_number & 1)
- psa.psa_thr_pre_set = 0x01;
- else
- psa.psa_thr_pre_set = 0x04;
- psa.psa_quality_thr = 0x03;
-
- /* It is configured */
- psa.psa_conf_status |= 1;
-
-#ifdef USE_PSA_CONFIG
- /* Write the psa */
- psa_write(dev, (char *)psa.psa_nwid - (char *)&psa,
- (unsigned char *)psa.psa_nwid, 4);
- psa_write(dev, (char *)&psa.psa_thr_pre_set - (char *)&psa,
- (unsigned char *)&psa.psa_thr_pre_set, 1);
- psa_write(dev, (char *)&psa.psa_quality_thr - (char *)&psa,
- (unsigned char *)&psa.psa_quality_thr, 1);
- psa_write(dev, (char *)&psa.psa_conf_status - (char *)&psa,
- (unsigned char *)&psa.psa_conf_status, 1);
- /* update the Wavelan checksum */
- update_psa_checksum(dev);
-#endif /* USE_PSA_CONFIG */
- }
-
- /* Zero the mmc structure */
- memset(&m, 0x00, sizeof(m));
-
- /* Copy PSA info to the mmc */
- m.mmw_netw_id_l = psa.psa_nwid[1];
- m.mmw_netw_id_h = psa.psa_nwid[0];
-
- if(psa.psa_nwid_select & 1)
- m.mmw_loopt_sel = 0x00;
- else
- m.mmw_loopt_sel = MMW_LOOPT_SEL_DIS_NWID;
-
- memcpy(&m.mmw_encr_key, &psa.psa_encryption_key,
- sizeof(m.mmw_encr_key));
-
- if(psa.psa_encryption_select)
- m.mmw_encr_enable = MMW_ENCR_ENABLE_EN | MMW_ENCR_ENABLE_MODE;
- else
- m.mmw_encr_enable = 0;
-
- m.mmw_thr_pre_set = psa.psa_thr_pre_set & 0x3F;
- m.mmw_quality_thr = psa.psa_quality_thr & 0x0F;
-
- /*
- * Set default modem control parameters.
- * See NCR document 407-0024326 Rev. A.
- */
- m.mmw_jabber_enable = 0x01;
- m.mmw_anten_sel = MMW_ANTEN_SEL_ALG_EN;
- m.mmw_ifs = 0x20;
- m.mmw_mod_delay = 0x04;
- m.mmw_jam_time = 0x38;
-
- m.mmw_des_io_invert = 0;
- m.mmw_freeze = 0;
- m.mmw_decay_prm = 0;
- m.mmw_decay_updat_prm = 0;
-
- /* Write all info to mmc */
- mmc_write(base, 0, (u_char *)&m, sizeof(m));
-
- /* The following code start the modem of the 2.00 frequency
- * selectable cards at power on. It's not strictly needed for the
- * following boots...
- * The original patch was by Joe Finney for the PCMCIA driver, but
- * I've cleaned it a bit and add documentation.
- * Thanks to Loeke Brederveld from Lucent for the info.
- */
-
- /* Attempt to recognise 2.00 cards (2.4 GHz frequency selectable)
- * (does it work for everybody ? - especially old cards...) */
- /* Note : WFREQSEL verify that it is able to read from EEprom
- * a sensible frequency (address 0x00) + that MMR_FEE_STATUS_ID
- * is 0xA (Xilinx version) or 0xB (Ariadne version).
- * My test is more crude but do work... */
- if(!(mmc_in(base, mmroff(0, mmr_fee_status)) &
- (MMR_FEE_STATUS_DWLD | MMR_FEE_STATUS_BUSY)))
- {
- /* We must download the frequency parameters to the
- * synthetisers (from the EEprom - area 1)
- * Note : as the EEprom is auto decremented, we set the end
- * if the area... */
- m.mmw_fee_addr = 0x0F;
- m.mmw_fee_ctrl = MMW_FEE_CTRL_READ | MMW_FEE_CTRL_DWLD;
- mmc_write(base, (char *)&m.mmw_fee_ctrl - (char *)&m,
- (unsigned char *)&m.mmw_fee_ctrl, 2);
-
- /* Wait until the download is finished */
- fee_wait(base, 100, 100);
-
-#ifdef DEBUG_CONFIG_INFO
- /* The frequency was in the last word downloaded... */
- mmc_read(base, (char *)&m.mmw_fee_data_l - (char *)&m,
- (unsigned char *)&m.mmw_fee_data_l, 2);
-
- /* Print some info for the user */
- printk(KERN_DEBUG "%s: Wavelan 2.00 recognised (frequency select) : Current frequency = %ld\n",
- dev->name,
- ((m.mmw_fee_data_h << 4) |
- (m.mmw_fee_data_l >> 4)) * 5 / 2 + 24000L);
-#endif
-
- /* We must now download the power adjust value (gain) to
- * the synthetisers (from the EEprom - area 7 - DAC) */
- m.mmw_fee_addr = 0x61;
- m.mmw_fee_ctrl = MMW_FEE_CTRL_READ | MMW_FEE_CTRL_DWLD;
- mmc_write(base, (char *)&m.mmw_fee_ctrl - (char *)&m,
- (unsigned char *)&m.mmw_fee_ctrl, 2);
-
- /* Wait until the download is finished */
- } /* if 2.00 card */
-
-#ifdef DEBUG_CONFIG_TRACE
- printk(KERN_DEBUG "%s: <-wv_mmc_init()\n", dev->name);
-#endif
- return TRUE;
-}
-
-/*------------------------------------------------------------------*/
-/*
- * Routine to gracefully turn off reception, and wait for any commands
- * to complete.
- * (called in wv_ru_start() and wavelan_close() and wavelan_event())
- */
-static int
-wv_ru_stop(struct net_device * dev)
-{
- unsigned int base = dev->base_addr;
- net_local * lp = netdev_priv(dev);
- unsigned long flags;
- int status;
- int spin;
-
-#ifdef DEBUG_CONFIG_TRACE
- printk(KERN_DEBUG "%s: ->wv_ru_stop()\n", dev->name);
-#endif
-
- spin_lock_irqsave(&lp->spinlock, flags);
-
- /* First, send the LAN controller a stop receive command */
- wv_82593_cmd(dev, "wv_graceful_shutdown(): stop-rcv",
- OP0_STOP_RCV, SR0_NO_RESULT);
-
- /* Then, spin until the receive unit goes idle */
- spin = 300;
- do
- {
- udelay(10);
- outb(OP0_NOP | CR0_STATUS_3, LCCR(base));
- status = inb(LCSR(base));
- }
- while(((status & SR3_RCV_STATE_MASK) != SR3_RCV_IDLE) && (spin-- > 0));
-
- /* Now, spin until the chip finishes executing its current command */
- do
- {
- udelay(10);
- outb(OP0_NOP | CR0_STATUS_3, LCCR(base));
- status = inb(LCSR(base));
- }
- while(((status & SR3_EXEC_STATE_MASK) != SR3_EXEC_IDLE) && (spin-- > 0));
-
- spin_unlock_irqrestore(&lp->spinlock, flags);
-
- /* If there was a problem */
- if(spin <= 0)
- {
-#ifdef DEBUG_CONFIG_ERRORS
- printk(KERN_INFO "%s: wv_ru_stop(): The chip doesn't want to stop...\n",
- dev->name);
-#endif
- return FALSE;
- }
-
-#ifdef DEBUG_CONFIG_TRACE
- printk(KERN_DEBUG "%s: <-wv_ru_stop()\n", dev->name);
-#endif
- return TRUE;
-} /* wv_ru_stop */
-
-/*------------------------------------------------------------------*/
-/*
- * This routine starts the receive unit running. First, it checks if
- * the card is actually ready. Then the card is instructed to receive
- * packets again.
- * (called in wv_hw_reset() & wavelan_open())
- */
-static int
-wv_ru_start(struct net_device * dev)
-{
- unsigned int base = dev->base_addr;
- net_local * lp = netdev_priv(dev);
- unsigned long flags;
-
-#ifdef DEBUG_CONFIG_TRACE
- printk(KERN_DEBUG "%s: ->wv_ru_start()\n", dev->name);
-#endif
-
- /*
- * We need to start from a quiescent state. To do so, we could check
- * if the card is already running, but instead we just try to shut
- * it down. First, we disable reception (in case it was already enabled).
- */
- if(!wv_ru_stop(dev))
- return FALSE;
-
- spin_lock_irqsave(&lp->spinlock, flags);
-
- /* Now we know that no command is being executed. */
-
- /* Set the receive frame pointer and stop pointer */
- lp->rfp = 0;
- outb(OP0_SWIT_TO_PORT_1 | CR0_CHNL, LCCR(base));
-
- /* Reset ring management. This sets the receive frame pointer to 1 */
- outb(OP1_RESET_RING_MNGMT, LCCR(base));
-
-#if 0
- /* XXX the i82593 manual page 6-4 seems to indicate that the stop register
- should be set as below */
- /* outb(CR1_STOP_REG_UPDATE|((RX_SIZE - 0x40)>> RX_SIZE_SHIFT),LCCR(base));*/
-#elif 0
- /* but I set it 0 instead */
- lp->stop = 0;
-#else
- /* but I set it to 3 bytes per packet less than 8K */
- lp->stop = (0 + RX_SIZE - ((RX_SIZE / 64) * 3)) % RX_SIZE;
-#endif
- outb(CR1_STOP_REG_UPDATE | (lp->stop >> RX_SIZE_SHIFT), LCCR(base));
- outb(OP1_INT_ENABLE, LCCR(base));
- outb(OP1_SWIT_TO_PORT_0, LCCR(base));
-
- /* Reset receive DMA pointer */
- hacr_write_slow(base, HACR_PWR_STAT | HACR_TX_DMA_RESET);
- hacr_write_slow(base, HACR_DEFAULT);
-
- /* Receive DMA on channel 1 */
- wv_82593_cmd(dev, "wv_ru_start(): rcv-enable",
- CR0_CHNL | OP0_RCV_ENABLE, SR0_NO_RESULT);
-
-#ifdef DEBUG_I82593_SHOW
- {
- int status;
- int opri;
- int spin = 10000;
-
- /* spin until the chip starts receiving */
- do
- {
- outb(OP0_NOP | CR0_STATUS_3, LCCR(base));
- status = inb(LCSR(base));
- if(spin-- <= 0)
- break;
- }
- while(((status & SR3_RCV_STATE_MASK) != SR3_RCV_ACTIVE) &&
- ((status & SR3_RCV_STATE_MASK) != SR3_RCV_READY));
- printk(KERN_DEBUG "rcv status is 0x%x [i:%d]\n",
- (status & SR3_RCV_STATE_MASK), i);
- }
-#endif
-
- spin_unlock_irqrestore(&lp->spinlock, flags);
-
-#ifdef DEBUG_CONFIG_TRACE
- printk(KERN_DEBUG "%s: <-wv_ru_start()\n", dev->name);
-#endif
- return TRUE;
-}
-
-/*------------------------------------------------------------------*/
-/*
- * This routine does a standard config of the WaveLAN controller (i82593).
- * In the ISA driver, this is integrated in wavelan_hardware_reset()
- * (called by wv_hw_config(), wv_82593_reconfig() & wavelan_packet_xmit())
- */
-static int
-wv_82593_config(struct net_device * dev)
-{
- unsigned int base = dev->base_addr;
- net_local * lp = netdev_priv(dev);
- struct i82593_conf_block cfblk;
- int ret = TRUE;
-
-#ifdef DEBUG_CONFIG_TRACE
- printk(KERN_DEBUG "%s: ->wv_82593_config()\n", dev->name);
-#endif
-
- /* Create & fill i82593 config block
- *
- * Now conform to Wavelan document WCIN085B
- */
- memset(&cfblk, 0x00, sizeof(struct i82593_conf_block));
- cfblk.d6mod = FALSE; /* Run in i82593 advanced mode */
- cfblk.fifo_limit = 5; /* = 56 B rx and 40 B tx fifo thresholds */
- cfblk.forgnesi = FALSE; /* 0=82C501, 1=AMD7992B compatibility */
- cfblk.fifo_32 = 1;
- cfblk.throttle_enb = FALSE;
- cfblk.contin = TRUE; /* enable continuous mode */
- cfblk.cntrxint = FALSE; /* enable continuous mode receive interrupts */
- cfblk.addr_len = WAVELAN_ADDR_SIZE;
- cfblk.acloc = TRUE; /* Disable source addr insertion by i82593 */
- cfblk.preamb_len = 0; /* 2 bytes preamble (SFD) */
- cfblk.loopback = FALSE;
- cfblk.lin_prio = 0; /* conform to 802.3 backoff algorithm */
- cfblk.exp_prio = 5; /* conform to 802.3 backoff algorithm */
- cfblk.bof_met = 1; /* conform to 802.3 backoff algorithm */
- cfblk.ifrm_spc = 0x20 >> 4; /* 32 bit times interframe spacing */
- cfblk.slottim_low = 0x20 >> 5; /* 32 bit times slot time */
- cfblk.slottim_hi = 0x0;
- cfblk.max_retr = 15;
- cfblk.prmisc = ((lp->promiscuous) ? TRUE: FALSE); /* Promiscuous mode */
- cfblk.bc_dis = FALSE; /* Enable broadcast reception */
- cfblk.crs_1 = TRUE; /* Transmit without carrier sense */
- cfblk.nocrc_ins = FALSE; /* i82593 generates CRC */
- cfblk.crc_1632 = FALSE; /* 32-bit Autodin-II CRC */
- cfblk.crs_cdt = FALSE; /* CD not to be interpreted as CS */
- cfblk.cs_filter = 0; /* CS is recognized immediately */
- cfblk.crs_src = FALSE; /* External carrier sense */
- cfblk.cd_filter = 0; /* CD is recognized immediately */
- cfblk.min_fr_len = ETH_ZLEN >> 2; /* Minimum frame length 64 bytes */
- cfblk.lng_typ = FALSE; /* Length field > 1500 = type field */
- cfblk.lng_fld = TRUE; /* Disable 802.3 length field check */
- cfblk.rxcrc_xf = TRUE; /* Don't transfer CRC to memory */
- cfblk.artx = TRUE; /* Disable automatic retransmission */
- cfblk.sarec = TRUE; /* Disable source addr trig of CD */
- cfblk.tx_jabber = TRUE; /* Disable jabber jam sequence */
- cfblk.hash_1 = FALSE; /* Use bits 0-5 in mc address hash */
- cfblk.lbpkpol = TRUE; /* Loopback pin active high */
- cfblk.fdx = FALSE; /* Disable full duplex operation */
- cfblk.dummy_6 = 0x3f; /* all ones */
- cfblk.mult_ia = FALSE; /* No multiple individual addresses */
- cfblk.dis_bof = FALSE; /* Disable the backoff algorithm ?! */
- cfblk.dummy_1 = TRUE; /* set to 1 */
- cfblk.tx_ifs_retrig = 3; /* Hmm... Disabled */
-#ifdef MULTICAST_ALL
- cfblk.mc_all = (lp->allmulticast ? TRUE: FALSE); /* Allow all multicasts */
-#else
- cfblk.mc_all = FALSE; /* No multicast all mode */
-#endif
- cfblk.rcv_mon = 0; /* Monitor mode disabled */
- cfblk.frag_acpt = TRUE; /* Do not accept fragments */
- cfblk.tstrttrs = FALSE; /* No start transmission threshold */
- cfblk.fretx = TRUE; /* FIFO automatic retransmission */
- cfblk.syncrqs = FALSE; /* Synchronous DRQ deassertion... */
- cfblk.sttlen = TRUE; /* 6 byte status registers */
- cfblk.rx_eop = TRUE; /* Signal EOP on packet reception */
- cfblk.tx_eop = TRUE; /* Signal EOP on packet transmission */
- cfblk.rbuf_size = RX_SIZE>>11; /* Set receive buffer size */
- cfblk.rcvstop = TRUE; /* Enable Receive Stop Register */
-
-#ifdef DEBUG_I82593_SHOW
- print_hex_dump(KERN_DEBUG, "wavelan_cs: config block: ", DUMP_PREFIX_NONE,
- 16, 1, &cfblk, sizeof(struct i82593_conf_block), false);
-#endif
-
- /* Copy the config block to the i82593 */
- outb(TX_BASE & 0xff, PIORL(base));
- outb(((TX_BASE >> 8) & PIORH_MASK) | PIORH_SEL_TX, PIORH(base));
- outb(sizeof(struct i82593_conf_block) & 0xff, PIOP(base)); /* lsb */
- outb(sizeof(struct i82593_conf_block) >> 8, PIOP(base)); /* msb */
- outsb(PIOP(base), (char *) &cfblk, sizeof(struct i82593_conf_block));
-
- /* reset transmit DMA pointer */
- hacr_write_slow(base, HACR_PWR_STAT | HACR_TX_DMA_RESET);
- hacr_write(base, HACR_DEFAULT);
- if(!wv_82593_cmd(dev, "wv_82593_config(): configure",
- OP0_CONFIGURE, SR0_CONFIGURE_DONE))
- ret = FALSE;
-
- /* Initialize adapter's ethernet MAC address */
- outb(TX_BASE & 0xff, PIORL(base));
- outb(((TX_BASE >> 8) & PIORH_MASK) | PIORH_SEL_TX, PIORH(base));
- outb(WAVELAN_ADDR_SIZE, PIOP(base)); /* byte count lsb */
- outb(0, PIOP(base)); /* byte count msb */
- outsb(PIOP(base), &dev->dev_addr[0], WAVELAN_ADDR_SIZE);
-
- /* reset transmit DMA pointer */
- hacr_write_slow(base, HACR_PWR_STAT | HACR_TX_DMA_RESET);
- hacr_write(base, HACR_DEFAULT);
- if(!wv_82593_cmd(dev, "wv_82593_config(): ia-setup",
- OP0_IA_SETUP, SR0_IA_SETUP_DONE))
- ret = FALSE;
-
-#ifdef WAVELAN_ROAMING
- /* If roaming is enabled, join the "Beacon Request" multicast group... */
- /* But only if it's not in there already! */
- if(do_roaming)
- dev_mc_add(dev,WAVELAN_BEACON_ADDRESS, WAVELAN_ADDR_SIZE, 1);
-#endif /* WAVELAN_ROAMING */
-
- /* If any multicast address to set */
- if(lp->mc_count)
- {
- struct dev_mc_list * dmi;
- int addrs_len = WAVELAN_ADDR_SIZE * lp->mc_count;
-
-#ifdef DEBUG_CONFIG_INFO
- printk(KERN_DEBUG "%s: wv_hw_config(): set %d multicast addresses:\n",
- dev->name, lp->mc_count);
- for(dmi=dev->mc_list; dmi; dmi=dmi->next)
- printk(KERN_DEBUG " %pM\n", dmi->dmi_addr);
-#endif
-
- /* Initialize adapter's ethernet multicast addresses */
- outb(TX_BASE & 0xff, PIORL(base));
- outb(((TX_BASE >> 8) & PIORH_MASK) | PIORH_SEL_TX, PIORH(base));
- outb(addrs_len & 0xff, PIOP(base)); /* byte count lsb */
- outb((addrs_len >> 8), PIOP(base)); /* byte count msb */
- for(dmi=dev->mc_list; dmi; dmi=dmi->next)
- outsb(PIOP(base), dmi->dmi_addr, dmi->dmi_addrlen);
-
- /* reset transmit DMA pointer */
- hacr_write_slow(base, HACR_PWR_STAT | HACR_TX_DMA_RESET);
- hacr_write(base, HACR_DEFAULT);
- if(!wv_82593_cmd(dev, "wv_82593_config(): mc-setup",
- OP0_MC_SETUP, SR0_MC_SETUP_DONE))
- ret = FALSE;
- lp->mc_count = dev->mc_count; /* remember to avoid repeated reset */
- }
-
- /* Job done, clear the flag */
- lp->reconfig_82593 = FALSE;
-
-#ifdef DEBUG_CONFIG_TRACE
- printk(KERN_DEBUG "%s: <-wv_82593_config()\n", dev->name);
-#endif
- return(ret);
-}
-
-/*------------------------------------------------------------------*/
-/*
- * Read the Access Configuration Register, perform a software reset,
- * and then re-enable the card's software.
- *
- * If I understand correctly : reset the pcmcia interface of the
- * wavelan.
- * (called by wv_config())
- */
-static int
-wv_pcmcia_reset(struct net_device * dev)
-{
- int i;
- conf_reg_t reg = { 0, CS_READ, CISREG_COR, 0 };
- struct pcmcia_device * link = ((net_local *)netdev_priv(dev))->link;
-
-#ifdef DEBUG_CONFIG_TRACE
- printk(KERN_DEBUG "%s: ->wv_pcmcia_reset()\n", dev->name);
-#endif
-
- i = pcmcia_access_configuration_register(link, ®);
- if (i != 0)
- {
- cs_error(link, AccessConfigurationRegister, i);
- return FALSE;
- }
-
-#ifdef DEBUG_CONFIG_INFO
- printk(KERN_DEBUG "%s: wavelan_pcmcia_reset(): Config reg is 0x%x\n",
- dev->name, (u_int) reg.Value);
-#endif
-
- reg.Action = CS_WRITE;
- reg.Value = reg.Value | COR_SW_RESET;
- i = pcmcia_access_configuration_register(link, ®);
- if (i != 0)
- {
- cs_error(link, AccessConfigurationRegister, i);
- return FALSE;
- }
-
- reg.Action = CS_WRITE;
- reg.Value = COR_LEVEL_IRQ | COR_CONFIG;
- i = pcmcia_access_configuration_register(link, ®);
- if (i != 0)
- {
- cs_error(link, AccessConfigurationRegister, i);
- return FALSE;
- }
-
-#ifdef DEBUG_CONFIG_TRACE
- printk(KERN_DEBUG "%s: <-wv_pcmcia_reset()\n", dev->name);
-#endif
- return TRUE;
-}
-
-/*------------------------------------------------------------------*/
-/*
- * wavelan_hw_config() is called after a CARD_INSERTION event is
- * received, to configure the wavelan hardware.
- * Note that the reception will be enabled in wavelan->open(), so the
- * device is configured but idle...
- * Performs the following actions:
- * 1. A pcmcia software reset (using wv_pcmcia_reset())
- * 2. A power reset (reset DMA)
- * 3. Reset the LAN controller
- * 4. Initialize the radio modem (using wv_mmc_init)
- * 5. Configure LAN controller (using wv_82593_config)
- * 6. Perform a diagnostic on the LAN controller
- * (called by wavelan_event() & wv_hw_reset())
- */
-static int
-wv_hw_config(struct net_device * dev)
-{
- net_local * lp = netdev_priv(dev);
- unsigned int base = dev->base_addr;
- unsigned long flags;
- int ret = FALSE;
-
-#ifdef DEBUG_CONFIG_TRACE
- printk(KERN_DEBUG "%s: ->wv_hw_config()\n", dev->name);
-#endif
-
- /* compile-time check the sizes of structures */
- BUILD_BUG_ON(sizeof(psa_t) != PSA_SIZE);
- BUILD_BUG_ON(sizeof(mmw_t) != MMW_SIZE);
- BUILD_BUG_ON(sizeof(mmr_t) != MMR_SIZE);
-
- /* Reset the pcmcia interface */
- if(wv_pcmcia_reset(dev) == FALSE)
- return FALSE;
-
- /* Disable interrupts */
- spin_lock_irqsave(&lp->spinlock, flags);
-
- /* Disguised goto ;-) */
- do
- {
- /* Power UP the module + reset the modem + reset host adapter
- * (in fact, reset DMA channels) */
- hacr_write_slow(base, HACR_RESET);
- hacr_write(base, HACR_DEFAULT);
-
- /* Check if the module has been powered up... */
- if(hasr_read(base) & HASR_NO_CLK)
- {
-#ifdef DEBUG_CONFIG_ERRORS
- printk(KERN_WARNING "%s: wv_hw_config(): modem not connected or not a wavelan card\n",
- dev->name);
-#endif
- break;
- }
-
- /* initialize the modem */
- if(wv_mmc_init(dev) == FALSE)
- {
-#ifdef DEBUG_CONFIG_ERRORS
- printk(KERN_WARNING "%s: wv_hw_config(): Can't configure the modem\n",
- dev->name);
-#endif
- break;
- }
-
- /* reset the LAN controller (i82593) */
- outb(OP0_RESET, LCCR(base));
- mdelay(1); /* A bit crude ! */
-
- /* Initialize the LAN controller */
- if(wv_82593_config(dev) == FALSE)
- {
-#ifdef DEBUG_CONFIG_ERRORS
- printk(KERN_INFO "%s: wv_hw_config(): i82593 init failed\n",
- dev->name);
-#endif
- break;
- }
-
- /* Diagnostic */
- if(wv_diag(dev) == FALSE)
- {
-#ifdef DEBUG_CONFIG_ERRORS
- printk(KERN_INFO "%s: wv_hw_config(): i82593 diagnostic failed\n",
- dev->name);
-#endif
- break;
- }
-
- /*
- * insert code for loopback test here
- */
-
- /* The device is now configured */
- lp->configured = 1;
- ret = TRUE;
- }
- while(0);
-
- /* Re-enable interrupts */
- spin_unlock_irqrestore(&lp->spinlock, flags);
-
-#ifdef DEBUG_CONFIG_TRACE
- printk(KERN_DEBUG "%s: <-wv_hw_config()\n", dev->name);
-#endif
- return(ret);
-}
-
-/*------------------------------------------------------------------*/
-/*
- * Totally reset the wavelan and restart it.
- * Performs the following actions:
- * 1. Call wv_hw_config()
- * 2. Start the LAN controller's receive unit
- * (called by wavelan_event(), wavelan_watchdog() and wavelan_open())
- */
-static void
-wv_hw_reset(struct net_device * dev)
-{
- net_local * lp = netdev_priv(dev);
-
-#ifdef DEBUG_CONFIG_TRACE
- printk(KERN_DEBUG "%s: ->wv_hw_reset()\n", dev->name);
-#endif
-
- lp->nresets++;
- lp->configured = 0;
-
- /* Call wv_hw_config() for most of the reset & init stuff */
- if(wv_hw_config(dev) == FALSE)
- return;
-
- /* start receive unit */
- wv_ru_start(dev);
-
-#ifdef DEBUG_CONFIG_TRACE
- printk(KERN_DEBUG "%s: <-wv_hw_reset()\n", dev->name);
-#endif
-}
-
-/*------------------------------------------------------------------*/
-/*
- * wv_pcmcia_config() is called after a CARD_INSERTION event is
- * received, to configure the PCMCIA socket, and to make the ethernet
- * device available to the system.
- * (called by wavelan_event())
- */
-static int
-wv_pcmcia_config(struct pcmcia_device * link)
-{
- struct net_device * dev = (struct net_device *) link->priv;
- int i;
- win_req_t req;
- memreq_t mem;
- net_local * lp = netdev_priv(dev);
-
-
-#ifdef DEBUG_CONFIG_TRACE
- printk(KERN_DEBUG "->wv_pcmcia_config(0x%p)\n", link);
-#endif
-
- do
- {
- i = pcmcia_request_io(link, &link->io);
- if (i != 0)
- {
- cs_error(link, RequestIO, i);
- break;
- }
-
- /*
- * Now allocate an interrupt line. Note that this does not
- * actually assign a handler to the interrupt.
- */
- i = pcmcia_request_irq(link, &link->irq);
- if (i != 0)
- {
- cs_error(link, RequestIRQ, i);
- break;
- }
-
- /*
- * This actually configures the PCMCIA socket -- setting up
- * the I/O windows and the interrupt mapping.
- */
- link->conf.ConfigIndex = 1;
- i = pcmcia_request_configuration(link, &link->conf);
- if (i != 0)
- {
- cs_error(link, RequestConfiguration, i);
- break;
- }
-
- /*
- * Allocate a small memory window. Note that the struct pcmcia_device
- * structure provides space for one window handle -- if your
- * device needs several windows, you'll need to keep track of
- * the handles in your private data structure, link->priv.
- */
- req.Attributes = WIN_DATA_WIDTH_8|WIN_MEMORY_TYPE_AM|WIN_ENABLE;
- req.Base = req.Size = 0;
- req.AccessSpeed = mem_speed;
- i = pcmcia_request_window(&link, &req, &link->win);
- if (i != 0)
- {
- cs_error(link, RequestWindow, i);
- break;
- }
-
- lp->mem = ioremap(req.Base, req.Size);
- dev->mem_start = (u_long)lp->mem;
- dev->mem_end = dev->mem_start + req.Size;
-
- mem.CardOffset = 0; mem.Page = 0;
- i = pcmcia_map_mem_page(link->win, &mem);
- if (i != 0)
- {
- cs_error(link, MapMemPage, i);
- break;
- }
-
- /* Feed device with this info... */
- dev->irq = link->irq.AssignedIRQ;
- dev->base_addr = link->io.BasePort1;
- netif_start_queue(dev);
-
-#ifdef DEBUG_CONFIG_INFO
- printk(KERN_DEBUG "wv_pcmcia_config: MEMSTART %p IRQ %d IOPORT 0x%x\n",
- lp->mem, dev->irq, (u_int) dev->base_addr);
-#endif
-
- SET_NETDEV_DEV(dev, &handle_to_dev(link));
- i = register_netdev(dev);
- if(i != 0)
- {
-#ifdef DEBUG_CONFIG_ERRORS
- printk(KERN_INFO "wv_pcmcia_config(): register_netdev() failed\n");
-#endif
- break;
- }
- }
- while(0); /* Humm... Disguised goto !!! */
-
- /* If any step failed, release any partially configured state */
- if(i != 0)
- {
- wv_pcmcia_release(link);
- return FALSE;
- }
-
- strcpy(((net_local *) netdev_priv(dev))->node.dev_name, dev->name);
- link->dev_node = &((net_local *) netdev_priv(dev))->node;
-
-#ifdef DEBUG_CONFIG_TRACE
- printk(KERN_DEBUG "<-wv_pcmcia_config()\n");
-#endif
- return TRUE;
-}
-
-/*------------------------------------------------------------------*/
-/*
- * After a card is removed, wv_pcmcia_release() will unregister the net
- * device, and release the PCMCIA configuration. If the device is
- * still open, this will be postponed until it is closed.
- */
-static void
-wv_pcmcia_release(struct pcmcia_device *link)
-{
- struct net_device * dev = (struct net_device *) link->priv;
- net_local * lp = netdev_priv(dev);
-
-#ifdef DEBUG_CONFIG_TRACE
- printk(KERN_DEBUG "%s: -> wv_pcmcia_release(0x%p)\n", dev->name, link);
-#endif
-
- iounmap(lp->mem);
- pcmcia_disable_device(link);
-
-#ifdef DEBUG_CONFIG_TRACE
- printk(KERN_DEBUG "%s: <- wv_pcmcia_release()\n", dev->name);
-#endif
-}
-
-/************************ INTERRUPT HANDLING ************************/
-
-/*
- * This function is the interrupt handler for the WaveLAN card. This
- * routine will be called whenever:
- * 1. A packet is received.
- * 2. A packet has successfully been transferred and the unit is
- * ready to transmit another packet.
- * 3. A command has completed execution.
- */
-static irqreturn_t
-wavelan_interrupt(int irq,
- void * dev_id)
-{
- struct net_device * dev = dev_id;
- net_local * lp;
- unsigned int base;
- int status0;
- u_int tx_status;
-
-#ifdef DEBUG_INTERRUPT_TRACE
- printk(KERN_DEBUG "%s: ->wavelan_interrupt()\n", dev->name);
-#endif
-
- lp = netdev_priv(dev);
- base = dev->base_addr;
-
-#ifdef DEBUG_INTERRUPT_INFO
- /* Check state of our spinlock (it should be cleared) */
- if(spin_is_locked(&lp->spinlock))
- printk(KERN_DEBUG
- "%s: wavelan_interrupt(): spinlock is already locked !!!\n",
- dev->name);
-#endif
-
- /* Prevent reentrancy. We need to do that because we may have
- * multiple interrupt handler running concurently.
- * It is safe because interrupts are disabled before aquiring
- * the spinlock. */
- spin_lock(&lp->spinlock);
-
- /* Treat all pending interrupts */
- while(1)
- {
- /* ---------------- INTERRUPT CHECKING ---------------- */
- /*
- * Look for the interrupt and verify the validity
- */
- outb(CR0_STATUS_0 | OP0_NOP, LCCR(base));
- status0 = inb(LCSR(base));
-
-#ifdef DEBUG_INTERRUPT_INFO
- printk(KERN_DEBUG "status0 0x%x [%s => 0x%x]", status0,
- (status0&SR0_INTERRUPT)?"int":"no int",status0&~SR0_INTERRUPT);
- if(status0&SR0_INTERRUPT)
- {
- printk(" [%s => %d]\n", (status0 & SR0_CHNL) ? "chnl" :
- ((status0 & SR0_EXECUTION) ? "cmd" :
- ((status0 & SR0_RECEPTION) ? "recv" : "unknown")),
- (status0 & SR0_EVENT_MASK));
- }
- else
- printk("\n");
-#endif
-
- /* Return if no actual interrupt from i82593 (normal exit) */
- if(!(status0 & SR0_INTERRUPT))
- break;
-
- /* If interrupt is both Rx and Tx or none...
- * This code in fact is there to catch the spurious interrupt
- * when you remove the wavelan pcmcia card from the socket */
- if(((status0 & SR0_BOTH_RX_TX) == SR0_BOTH_RX_TX) ||
- ((status0 & SR0_BOTH_RX_TX) == 0x0))
- {
-#ifdef DEBUG_INTERRUPT_INFO
- printk(KERN_INFO "%s: wv_interrupt(): bogus interrupt (or from dead card) : %X\n",
- dev->name, status0);
-#endif
- /* Acknowledge the interrupt */
- outb(CR0_INT_ACK | OP0_NOP, LCCR(base));
- break;
- }
-
- /* ----------------- RECEIVING PACKET ----------------- */
- /*
- * When the wavelan signal the reception of a new packet,
- * we call wv_packet_rcv() to copy if from the buffer and
- * send it to NET3
- */
- if(status0 & SR0_RECEPTION)
- {
-#ifdef DEBUG_INTERRUPT_INFO
- printk(KERN_DEBUG "%s: wv_interrupt(): receive\n", dev->name);
-#endif
-
- if((status0 & SR0_EVENT_MASK) == SR0_STOP_REG_HIT)
- {
-#ifdef DEBUG_INTERRUPT_ERROR
- printk(KERN_INFO "%s: wv_interrupt(): receive buffer overflow\n",
- dev->name);
-#endif
- dev->stats.rx_over_errors++;
- lp->overrunning = 1;
- }
-
- /* Get the packet */
- wv_packet_rcv(dev);
- lp->overrunning = 0;
-
- /* Acknowledge the interrupt */
- outb(CR0_INT_ACK | OP0_NOP, LCCR(base));
- continue;
- }
-
- /* ---------------- COMMAND COMPLETION ---------------- */
- /*
- * Interrupts issued when the i82593 has completed a command.
- * Most likely : transmission done
- */
-
- /* If a transmission has been done */
- if((status0 & SR0_EVENT_MASK) == SR0_TRANSMIT_DONE ||
- (status0 & SR0_EVENT_MASK) == SR0_RETRANSMIT_DONE ||
- (status0 & SR0_EVENT_MASK) == SR0_TRANSMIT_NO_CRC_DONE)
- {
-#ifdef DEBUG_TX_ERROR
- if((status0 & SR0_EVENT_MASK) == SR0_TRANSMIT_NO_CRC_DONE)
- printk(KERN_INFO "%s: wv_interrupt(): packet transmitted without CRC.\n",
- dev->name);
-#endif
-
- /* Get transmission status */
- tx_status = inb(LCSR(base));
- tx_status |= (inb(LCSR(base)) << 8);
-#ifdef DEBUG_INTERRUPT_INFO
- printk(KERN_DEBUG "%s: wv_interrupt(): transmission done\n",
- dev->name);
- {
- u_int rcv_bytes;
- u_char status3;
- rcv_bytes = inb(LCSR(base));
- rcv_bytes |= (inb(LCSR(base)) << 8);
- status3 = inb(LCSR(base));
- printk(KERN_DEBUG "tx_status 0x%02x rcv_bytes 0x%02x status3 0x%x\n",
- tx_status, rcv_bytes, (u_int) status3);
- }
-#endif
- /* Check for possible errors */
- if((tx_status & TX_OK) != TX_OK)
- {
- dev->stats.tx_errors++;
-
- if(tx_status & TX_FRTL)
- {
-#ifdef DEBUG_TX_ERROR
- printk(KERN_INFO "%s: wv_interrupt(): frame too long\n",
- dev->name);
-#endif
- }
- if(tx_status & TX_UND_RUN)
- {
-#ifdef DEBUG_TX_FAIL
- printk(KERN_DEBUG "%s: wv_interrupt(): DMA underrun\n",
- dev->name);
-#endif
- dev->stats.tx_aborted_errors++;
- }
- if(tx_status & TX_LOST_CTS)
- {
-#ifdef DEBUG_TX_FAIL
- printk(KERN_DEBUG "%s: wv_interrupt(): no CTS\n", dev->name);
-#endif
- dev->stats.tx_carrier_errors++;
- }
- if(tx_status & TX_LOST_CRS)
- {
-#ifdef DEBUG_TX_FAIL
- printk(KERN_DEBUG "%s: wv_interrupt(): no carrier\n",
- dev->name);
-#endif
- dev->stats.tx_carrier_errors++;
- }
- if(tx_status & TX_HRT_BEAT)
- {
-#ifdef DEBUG_TX_FAIL
- printk(KERN_DEBUG "%s: wv_interrupt(): heart beat\n", dev->name);
-#endif
- dev->stats.tx_heartbeat_errors++;
- }
- if(tx_status & TX_DEFER)
- {
-#ifdef DEBUG_TX_FAIL
- printk(KERN_DEBUG "%s: wv_interrupt(): channel jammed\n",
- dev->name);
-#endif
- }
- /* Ignore late collisions since they're more likely to happen
- * here (the WaveLAN design prevents the LAN controller from
- * receiving while it is transmitting). We take action only when
- * the maximum retransmit attempts is exceeded.
- */
- if(tx_status & TX_COLL)
- {
- if(tx_status & TX_MAX_COL)
- {
-#ifdef DEBUG_TX_FAIL
- printk(KERN_DEBUG "%s: wv_interrupt(): channel congestion\n",
- dev->name);
-#endif
- if(!(tx_status & TX_NCOL_MASK))
- {
- dev->stats.collisions += 0x10;
- }
- }
- }
- } /* if(!(tx_status & TX_OK)) */
-
- dev->stats.collisions += (tx_status & TX_NCOL_MASK);
- dev->stats.tx_packets++;
-
- netif_wake_queue(dev);
- outb(CR0_INT_ACK | OP0_NOP, LCCR(base)); /* Acknowledge the interrupt */
- }
- else /* if interrupt = transmit done or retransmit done */
- {
-#ifdef DEBUG_INTERRUPT_ERROR
- printk(KERN_INFO "wavelan_cs: unknown interrupt, status0 = %02x\n",
- status0);
-#endif
- outb(CR0_INT_ACK | OP0_NOP, LCCR(base)); /* Acknowledge the interrupt */
- }
- } /* while(1) */
-
- spin_unlock(&lp->spinlock);
-
-#ifdef DEBUG_INTERRUPT_TRACE
- printk(KERN_DEBUG "%s: <-wavelan_interrupt()\n", dev->name);
-#endif
-
- /* We always return IRQ_HANDLED, because we will receive empty
- * interrupts under normal operations. Anyway, it doesn't matter
- * as we are dealing with an ISA interrupt that can't be shared.
- *
- * Explanation : under heavy receive, the following happens :
- * ->wavelan_interrupt()
- * (status0 & SR0_INTERRUPT) != 0
- * ->wv_packet_rcv()
- * (status0 & SR0_INTERRUPT) != 0
- * ->wv_packet_rcv()
- * (status0 & SR0_INTERRUPT) == 0 // i.e. no more event
- * <-wavelan_interrupt()
- * ->wavelan_interrupt()
- * (status0 & SR0_INTERRUPT) == 0 // i.e. empty interrupt
- * <-wavelan_interrupt()
- * Jean II */
- return IRQ_HANDLED;
-} /* wv_interrupt */
-
-/*------------------------------------------------------------------*/
-/*
- * Watchdog: when we start a transmission, a timer is set for us in the
- * kernel. If the transmission completes, this timer is disabled. If
- * the timer expires, we are called and we try to unlock the hardware.
- *
- * Note : This watchdog is move clever than the one in the ISA driver,
- * because it try to abort the current command before reseting
- * everything...
- * On the other hand, it's a bit simpler, because we don't have to
- * deal with the multiple Tx buffers...
- */
-static void
-wavelan_watchdog(struct net_device * dev)
-{
- net_local * lp = netdev_priv(dev);
- unsigned int base = dev->base_addr;
- unsigned long flags;
- int aborted = FALSE;
-
-#ifdef DEBUG_INTERRUPT_TRACE
- printk(KERN_DEBUG "%s: ->wavelan_watchdog()\n", dev->name);
-#endif
-
-#ifdef DEBUG_INTERRUPT_ERROR
- printk(KERN_INFO "%s: wavelan_watchdog: watchdog timer expired\n",
- dev->name);
-#endif
-
- spin_lock_irqsave(&lp->spinlock, flags);
-
- /* Ask to abort the current command */
- outb(OP0_ABORT, LCCR(base));
-
- /* Wait for the end of the command (a bit hackish) */
- if(wv_82593_cmd(dev, "wavelan_watchdog(): abort",
- OP0_NOP | CR0_STATUS_3, SR0_EXECUTION_ABORTED))
- aborted = TRUE;
-
- /* Release spinlock here so that wv_hw_reset() can grab it */
- spin_unlock_irqrestore(&lp->spinlock, flags);
-
- /* Check if we were successful in aborting it */
- if(!aborted)
- {
- /* It seem that it wasn't enough */
-#ifdef DEBUG_INTERRUPT_ERROR
- printk(KERN_INFO "%s: wavelan_watchdog: abort failed, trying reset\n",
- dev->name);
-#endif
- wv_hw_reset(dev);
- }
-
-#ifdef DEBUG_PSA_SHOW
- {
- psa_t psa;
- psa_read(dev, 0, (unsigned char *) &psa, sizeof(psa));
- wv_psa_show(&psa);
- }
-#endif
-#ifdef DEBUG_MMC_SHOW
- wv_mmc_show(dev);
-#endif
-#ifdef DEBUG_I82593_SHOW
- wv_ru_show(dev);
-#endif
-
- /* We are no more waiting for something... */
- netif_wake_queue(dev);
-
-#ifdef DEBUG_INTERRUPT_TRACE
- printk(KERN_DEBUG "%s: <-wavelan_watchdog()\n", dev->name);
-#endif
-}
-
-/********************* CONFIGURATION CALLBACKS *********************/
-/*
- * Here are the functions called by the pcmcia package (cardmgr) and
- * linux networking (NET3) for initialization, configuration and
- * deinstallations of the Wavelan Pcmcia Hardware.
- */
-
-/*------------------------------------------------------------------*/
-/*
- * Configure and start up the WaveLAN PCMCIA adaptor.
- * Called by NET3 when it "open" the device.
- */
-static int
-wavelan_open(struct net_device * dev)
-{
- net_local * lp = netdev_priv(dev);
- struct pcmcia_device * link = lp->link;
- unsigned int base = dev->base_addr;
-
-#ifdef DEBUG_CALLBACK_TRACE
- printk(KERN_DEBUG "%s: ->wavelan_open(dev=0x%x)\n", dev->name,
- (unsigned int) dev);
-#endif
-
- /* Check if the modem is powered up (wavelan_close() power it down */
- if(hasr_read(base) & HASR_NO_CLK)
- {
- /* Power up (power up time is 250us) */
- hacr_write(base, HACR_DEFAULT);
-
- /* Check if the module has been powered up... */
- if(hasr_read(base) & HASR_NO_CLK)
- {
-#ifdef DEBUG_CONFIG_ERRORS
- printk(KERN_WARNING "%s: wavelan_open(): modem not connected\n",
- dev->name);
-#endif
- return FALSE;
- }
- }
-
- /* Start reception and declare the driver ready */
- if(!lp->configured)
- return FALSE;
- if(!wv_ru_start(dev))
- wv_hw_reset(dev); /* If problem : reset */
- netif_start_queue(dev);
-
- /* Mark the device as used */
- link->open++;
-
-#ifdef WAVELAN_ROAMING
- if(do_roaming)
- wv_roam_init(dev);
-#endif /* WAVELAN_ROAMING */
-
-#ifdef DEBUG_CALLBACK_TRACE
- printk(KERN_DEBUG "%s: <-wavelan_open()\n", dev->name);
-#endif
- return 0;
-}
-
-/*------------------------------------------------------------------*/
-/*
- * Shutdown the WaveLAN PCMCIA adaptor.
- * Called by NET3 when it "close" the device.
- */
-static int
-wavelan_close(struct net_device * dev)
-{
- struct pcmcia_device * link = ((net_local *)netdev_priv(dev))->link;
- unsigned int base = dev->base_addr;
-
-#ifdef DEBUG_CALLBACK_TRACE
- printk(KERN_DEBUG "%s: ->wavelan_close(dev=0x%x)\n", dev->name,
- (unsigned int) dev);
-#endif
-
- /* If the device isn't open, then nothing to do */
- if(!link->open)
- {
-#ifdef DEBUG_CONFIG_INFO
- printk(KERN_DEBUG "%s: wavelan_close(): device not open\n", dev->name);
-#endif
- return 0;
- }
-
-#ifdef WAVELAN_ROAMING
- /* Cleanup of roaming stuff... */
- if(do_roaming)
- wv_roam_cleanup(dev);
-#endif /* WAVELAN_ROAMING */
-
- link->open--;
-
- /* If the card is still present */
- if(netif_running(dev))
- {
- netif_stop_queue(dev);
-
- /* Stop receiving new messages and wait end of transmission */
- wv_ru_stop(dev);
-
- /* Power down the module */
- hacr_write(base, HACR_DEFAULT & (~HACR_PWR_STAT));
- }
-
-#ifdef DEBUG_CALLBACK_TRACE
- printk(KERN_DEBUG "%s: <-wavelan_close()\n", dev->name);
-#endif
- return 0;
-}
-
-static const struct net_device_ops wavelan_netdev_ops = {
- .ndo_open = wavelan_open,
- .ndo_stop = wavelan_close,
- .ndo_start_xmit = wavelan_packet_xmit,
- .ndo_set_multicast_list = wavelan_set_multicast_list,
-#ifdef SET_MAC_ADDRESS
- .ndo_set_mac_address = wavelan_set_mac_address,
-#endif
- .ndo_tx_timeout = wavelan_watchdog,
- .ndo_change_mtu = eth_change_mtu,
- .ndo_validate_addr = eth_validate_addr,
-};
-
-/*------------------------------------------------------------------*/
-/*
- * wavelan_attach() creates an "instance" of the driver, allocating
- * local data structures for one device (one interface). The device
- * is registered with Card Services.
- *
- * The dev_link structure is initialized, but we don't actually
- * configure the card at this point -- we wait until we receive a
- * card insertion event.
- */
-static int
-wavelan_probe(struct pcmcia_device *p_dev)
-{
- struct net_device * dev; /* Interface generic data */
- net_local * lp; /* Interface specific data */
- int ret;
-
-#ifdef DEBUG_CALLBACK_TRACE
- printk(KERN_DEBUG "-> wavelan_attach()\n");
-#endif
-
- /* The io structure describes IO port mapping */
- p_dev->io.NumPorts1 = 8;
- p_dev->io.Attributes1 = IO_DATA_PATH_WIDTH_8;
- p_dev->io.IOAddrLines = 3;
-
- /* Interrupt setup */
- p_dev->irq.Attributes = IRQ_TYPE_DYNAMIC_SHARING | IRQ_HANDLE_PRESENT;
- p_dev->irq.IRQInfo1 = IRQ_LEVEL_ID;
- p_dev->irq.Handler = wavelan_interrupt;
-
- /* General socket configuration */
- p_dev->conf.Attributes = CONF_ENABLE_IRQ;
- p_dev->conf.IntType = INT_MEMORY_AND_IO;
-
- /* Allocate the generic data structure */
- dev = alloc_etherdev(sizeof(net_local));
- if (!dev)
- return -ENOMEM;
-
- p_dev->priv = p_dev->irq.Instance = dev;
-
- lp = netdev_priv(dev);
-
- /* Init specific data */
- lp->configured = 0;
- lp->reconfig_82593 = FALSE;
- lp->nresets = 0;
- /* Multicast stuff */
- lp->promiscuous = 0;
- lp->allmulticast = 0;
- lp->mc_count = 0;
-
- /* Init spinlock */
- spin_lock_init(&lp->spinlock);
-
- /* back links */
- lp->dev = dev;
-
- /* wavelan NET3 callbacks */
- dev->netdev_ops = &wavelan_netdev_ops;
- dev->watchdog_timeo = WATCHDOG_JIFFIES;
- SET_ETHTOOL_OPS(dev, &ops);
-
- dev->wireless_handlers = &wavelan_handler_def;
- lp->wireless_data.spy_data = &lp->spy_data;
- dev->wireless_data = &lp->wireless_data;
-
- /* Other specific data */
- dev->mtu = WAVELAN_MTU;
-
- ret = wv_pcmcia_config(p_dev);
- if (ret)
- return ret;
-
- ret = wv_hw_config(dev);
- if (ret) {
- dev->irq = 0;
- pcmcia_disable_device(p_dev);
- return ret;
- }
-
- wv_init_info(dev);
-
-#ifdef DEBUG_CALLBACK_TRACE
- printk(KERN_DEBUG "<- wavelan_attach()\n");
-#endif
-
- return 0;
-}
-
-/*------------------------------------------------------------------*/
-/*
- * This deletes a driver "instance". The device is de-registered with
- * Card Services. If it has been released, all local data structures
- * are freed. Otherwise, the structures will be freed when the device
- * is released.
- */
-static void
-wavelan_detach(struct pcmcia_device *link)
-{
-#ifdef DEBUG_CALLBACK_TRACE
- printk(KERN_DEBUG "-> wavelan_detach(0x%p)\n", link);
-#endif
-
- /* Some others haven't done their job : give them another chance */
- wv_pcmcia_release(link);
-
- /* Free pieces */
- if(link->priv)
- {
- struct net_device * dev = (struct net_device *) link->priv;
-
- /* Remove ourselves from the kernel list of ethernet devices */
- /* Warning : can't be called from interrupt, timer or wavelan_close() */
- if (link->dev_node)
- unregister_netdev(dev);
- link->dev_node = NULL;
- ((net_local *)netdev_priv(dev))->link = NULL;
- ((net_local *)netdev_priv(dev))->dev = NULL;
- free_netdev(dev);
- }
-
-#ifdef DEBUG_CALLBACK_TRACE
- printk(KERN_DEBUG "<- wavelan_detach()\n");
-#endif
-}
-
-static int wavelan_suspend(struct pcmcia_device *link)
-{
- struct net_device * dev = (struct net_device *) link->priv;
-
- /* NB: wavelan_close will be called, but too late, so we are
- * obliged to close nicely the wavelan here. David, could you
- * close the device before suspending them ? And, by the way,
- * could you, on resume, add a "route add -net ..." after the
- * ifconfig up ? Thanks... */
-
- /* Stop receiving new messages and wait end of transmission */
- wv_ru_stop(dev);
-
- if (link->open)
- netif_device_detach(dev);
-
- /* Power down the module */
- hacr_write(dev->base_addr, HACR_DEFAULT & (~HACR_PWR_STAT));
-
- return 0;
-}
-
-static int wavelan_resume(struct pcmcia_device *link)
-{
- struct net_device * dev = (struct net_device *) link->priv;
-
- if (link->open) {
- wv_hw_reset(dev);
- netif_device_attach(dev);
- }
-
- return 0;
-}
-
-
-static struct pcmcia_device_id wavelan_ids[] = {
- PCMCIA_DEVICE_PROD_ID12("AT&T","WaveLAN/PCMCIA", 0xe7c5affd, 0x1bc50975),
- PCMCIA_DEVICE_PROD_ID12("Digital", "RoamAbout/DS", 0x9999ab35, 0x00d05e06),
- PCMCIA_DEVICE_PROD_ID12("Lucent Technologies", "WaveLAN/PCMCIA", 0x23eb9949, 0x1bc50975),
- PCMCIA_DEVICE_PROD_ID12("NCR", "WaveLAN/PCMCIA", 0x24358cd4, 0x1bc50975),
- PCMCIA_DEVICE_NULL,
-};
-MODULE_DEVICE_TABLE(pcmcia, wavelan_ids);
-
-static struct pcmcia_driver wavelan_driver = {
- .owner = THIS_MODULE,
- .drv = {
- .name = "wavelan_cs",
- },
- .probe = wavelan_probe,
- .remove = wavelan_detach,
- .id_table = wavelan_ids,
- .suspend = wavelan_suspend,
- .resume = wavelan_resume,
-};
-
-static int __init
-init_wavelan_cs(void)
-{
- return pcmcia_register_driver(&wavelan_driver);
-}
-
-static void __exit
-exit_wavelan_cs(void)
-{
- pcmcia_unregister_driver(&wavelan_driver);
-}
-
-module_init(init_wavelan_cs);
-module_exit(exit_wavelan_cs);
+++ /dev/null
-/*
- * Wavelan Pcmcia driver
- *
- * Jean II - HPLB '96
- *
- * Reorganization and extension of the driver.
- * Original copyright follow. See wavelan_cs.h for details.
- *
- * This file contain the declarations of the Wavelan hardware. Note that
- * the Pcmcia Wavelan include a i82593 controller (see definitions in
- * file i82593.h).
- *
- * The main difference between the pcmcia hardware and the ISA one is
- * the Ethernet Controller (i82593 instead of i82586). The i82593 allow
- * only one send buffer. The PSA (Parameter Storage Area : EEprom for
- * permanent storage of various info) is memory mapped, but not the
- * MMI (Modem Management Interface).
- */
-
-/*
- * Definitions for the AT&T GIS (formerly NCR) WaveLAN PCMCIA card:
- * An Ethernet-like radio transceiver controlled by an Intel 82593
- * coprocessor.
- *
- *
- ****************************************************************************
- * Copyright 1995
- * Anthony D. Joseph
- * Massachusetts Institute of Technology
- *
- * Permission to use, copy, modify, and distribute this program
- * for any purpose and without fee is hereby granted, provided
- * that this copyright and permission notice appear on all copies
- * and supporting documentation, the name of M.I.T. not be used
- * in advertising or publicity pertaining to distribution of the
- * program without specific prior permission, and notice be given
- * in supporting documentation that copying and distribution is
- * by permission of M.I.T. M.I.T. makes no representations about
- * the suitability of this software for any purpose. It is pro-
- * vided "as is" without express or implied warranty.
- ****************************************************************************
- *
- *
- * Credits:
- * Special thanks to Jan Hoogendoorn of AT&T GIS Utrecht for
- * providing extremely useful information about WaveLAN PCMCIA hardware
- *
- * This driver is based upon several other drivers, in particular:
- * David Hinds' Linux driver for the PCMCIA 3c589 ethernet adapter
- * Bruce Janson's Linux driver for the AT-bus WaveLAN adapter
- * Anders Klemets' PCMCIA WaveLAN adapter driver
- * Robert Morris' BSDI driver for the PCMCIA WaveLAN adapter
- */
-
-#ifndef _WAVELAN_CS_H
-#define _WAVELAN_CS_H
-
-/************************** MAGIC NUMBERS ***************************/
-
-/* The detection of the wavelan card is made by reading the MAC address
- * from the card and checking it. If you have a non AT&T product (OEM,
- * like DEC RoamAbout, or Digital Ocean, Epson, ...), you must modify this
- * part to accommodate your hardware...
- */
-static const unsigned char MAC_ADDRESSES[][3] =
-{
- { 0x08, 0x00, 0x0E }, /* AT&T Wavelan (standard) & DEC RoamAbout */
- { 0x08, 0x00, 0x6A }, /* AT&T Wavelan (alternate) */
- { 0x00, 0x00, 0xE1 }, /* Hitachi Wavelan */
- { 0x00, 0x60, 0x1D } /* Lucent Wavelan (another one) */
- /* Add your card here and send me the patch ! */
-};
-
-/*
- * Constants used to convert channels to frequencies
- */
-
-/* Frequency available in the 2.0 modem, in units of 250 kHz
- * (as read in the offset register of the dac area).
- * Used to map channel numbers used by `wfreqsel' to frequencies
- */
-static const short channel_bands[] = { 0x30, 0x58, 0x64, 0x7A, 0x80, 0xA8,
- 0xD0, 0xF0, 0xF8, 0x150 };
-
-/* Frequencies of the 1.0 modem (fixed frequencies).
- * Use to map the PSA `subband' to a frequency
- * Note : all frequencies apart from the first one need to be multiplied by 10
- */
-static const int fixed_bands[] = { 915e6, 2.425e8, 2.46e8, 2.484e8, 2.4305e8 };
-
-
-/*************************** PC INTERFACE ****************************/
-
-/* WaveLAN host interface definitions */
-
-#define LCCR(base) (base) /* LAN Controller Command Register */
-#define LCSR(base) (base) /* LAN Controller Status Register */
-#define HACR(base) (base+0x1) /* Host Adapter Command Register */
-#define HASR(base) (base+0x1) /* Host Adapter Status Register */
-#define PIORL(base) (base+0x2) /* Program I/O Register Low */
-#define RPLL(base) (base+0x2) /* Receive Pointer Latched Low */
-#define PIORH(base) (base+0x3) /* Program I/O Register High */
-#define RPLH(base) (base+0x3) /* Receive Pointer Latched High */
-#define PIOP(base) (base+0x4) /* Program I/O Port */
-#define MMR(base) (base+0x6) /* MMI Address Register */
-#define MMD(base) (base+0x7) /* MMI Data Register */
-
-/* Host Adaptor Command Register bit definitions */
-
-#define HACR_LOF (1 << 3) /* Lock Out Flag, toggle every 250ms */
-#define HACR_PWR_STAT (1 << 4) /* Power State, 1=active, 0=sleep */
-#define HACR_TX_DMA_RESET (1 << 5) /* Reset transmit DMA ptr on high */
-#define HACR_RX_DMA_RESET (1 << 6) /* Reset receive DMA ptr on high */
-#define HACR_ROM_WEN (1 << 7) /* EEPROM write enabled when true */
-
-#define HACR_RESET (HACR_TX_DMA_RESET | HACR_RX_DMA_RESET)
-#define HACR_DEFAULT (HACR_PWR_STAT)
-
-/* Host Adapter Status Register bit definitions */
-
-#define HASR_MMI_BUSY (1 << 2) /* MMI is busy when true */
-#define HASR_LOF (1 << 3) /* Lock out flag status */
-#define HASR_NO_CLK (1 << 4) /* active when modem not connected */
-
-/* Miscellaneous bit definitions */
-
-#define PIORH_SEL_TX (1 << 5) /* PIOR points to 0=rx/1=tx buffer */
-#define MMR_MMI_WR (1 << 0) /* Next MMI cycle is 0=read, 1=write */
-#define PIORH_MASK 0x1f /* only low 5 bits are significant */
-#define RPLH_MASK 0x1f /* only low 5 bits are significant */
-#define MMI_ADDR_MASK 0x7e /* Bits 1-6 of MMR are significant */
-
-/* Attribute Memory map */
-
-#define CIS_ADDR 0x0000 /* Card Information Status Register */
-#define PSA_ADDR 0x0e00 /* Parameter Storage Area address */
-#define EEPROM_ADDR 0x1000 /* EEPROM address (unused ?) */
-#define COR_ADDR 0x4000 /* Configuration Option Register */
-
-/* Configuration Option Register bit definitions */
-
-#define COR_CONFIG (1 << 0) /* Config Index, 0 when unconfigured */
-#define COR_SW_RESET (1 << 7) /* Software Reset on true */
-#define COR_LEVEL_IRQ (1 << 6) /* Level IRQ */
-
-/* Local Memory map */
-
-#define RX_BASE 0x0000 /* Receive memory, 8 kB */
-#define TX_BASE 0x2000 /* Transmit memory, 2 kB */
-#define UNUSED_BASE 0x2800 /* Unused, 22 kB */
-#define RX_SIZE (TX_BASE-RX_BASE) /* Size of receive area */
-#define RX_SIZE_SHIFT 6 /* Bits to shift in stop register */
-
-#define TRUE 1
-#define FALSE 0
-
-#define MOD_ENAL 1
-#define MOD_PROM 2
-
-/* Size of a MAC address */
-#define WAVELAN_ADDR_SIZE 6
-
-/* Maximum size of Wavelan packet */
-#define WAVELAN_MTU 1500
-
-#define MAXDATAZ (6 + 6 + 2 + WAVELAN_MTU)
-
-/********************** PARAMETER STORAGE AREA **********************/
-
-/*
- * Parameter Storage Area (PSA).
- */
-typedef struct psa_t psa_t;
-struct psa_t
-{
- /* For the PCMCIA Adapter, locations 0x00-0x0F are unused and fixed at 00 */
- unsigned char psa_io_base_addr_1; /* [0x00] Base address 1 ??? */
- unsigned char psa_io_base_addr_2; /* [0x01] Base address 2 */
- unsigned char psa_io_base_addr_3; /* [0x02] Base address 3 */
- unsigned char psa_io_base_addr_4; /* [0x03] Base address 4 */
- unsigned char psa_rem_boot_addr_1; /* [0x04] Remote Boot Address 1 */
- unsigned char psa_rem_boot_addr_2; /* [0x05] Remote Boot Address 2 */
- unsigned char psa_rem_boot_addr_3; /* [0x06] Remote Boot Address 3 */
- unsigned char psa_holi_params; /* [0x07] HOst Lan Interface (HOLI) Parameters */
- unsigned char psa_int_req_no; /* [0x08] Interrupt Request Line */
- unsigned char psa_unused0[7]; /* [0x09-0x0F] unused */
-
- unsigned char psa_univ_mac_addr[WAVELAN_ADDR_SIZE]; /* [0x10-0x15] Universal (factory) MAC Address */
- unsigned char psa_local_mac_addr[WAVELAN_ADDR_SIZE]; /* [0x16-1B] Local MAC Address */
- unsigned char psa_univ_local_sel; /* [0x1C] Universal Local Selection */
-#define PSA_UNIVERSAL 0 /* Universal (factory) */
-#define PSA_LOCAL 1 /* Local */
- unsigned char psa_comp_number; /* [0x1D] Compatability Number: */
-#define PSA_COMP_PC_AT_915 0 /* PC-AT 915 MHz */
-#define PSA_COMP_PC_MC_915 1 /* PC-MC 915 MHz */
-#define PSA_COMP_PC_AT_2400 2 /* PC-AT 2.4 GHz */
-#define PSA_COMP_PC_MC_2400 3 /* PC-MC 2.4 GHz */
-#define PSA_COMP_PCMCIA_915 4 /* PCMCIA 915 MHz or 2.0 */
- unsigned char psa_thr_pre_set; /* [0x1E] Modem Threshold Preset */
- unsigned char psa_feature_select; /* [0x1F] Call code required (1=on) */
-#define PSA_FEATURE_CALL_CODE 0x01 /* Call code required (Japan) */
- unsigned char psa_subband; /* [0x20] Subband */
-#define PSA_SUBBAND_915 0 /* 915 MHz or 2.0 */
-#define PSA_SUBBAND_2425 1 /* 2425 MHz */
-#define PSA_SUBBAND_2460 2 /* 2460 MHz */
-#define PSA_SUBBAND_2484 3 /* 2484 MHz */
-#define PSA_SUBBAND_2430_5 4 /* 2430.5 MHz */
- unsigned char psa_quality_thr; /* [0x21] Modem Quality Threshold */
- unsigned char psa_mod_delay; /* [0x22] Modem Delay ??? (reserved) */
- unsigned char psa_nwid[2]; /* [0x23-0x24] Network ID */
- unsigned char psa_nwid_select; /* [0x25] Network ID Select On Off */
- unsigned char psa_encryption_select; /* [0x26] Encryption On Off */
- unsigned char psa_encryption_key[8]; /* [0x27-0x2E] Encryption Key */
- unsigned char psa_databus_width; /* [0x2F] AT bus width select 8/16 */
- unsigned char psa_call_code[8]; /* [0x30-0x37] (Japan) Call Code */
- unsigned char psa_nwid_prefix[2]; /* [0x38-0x39] Roaming domain */
- unsigned char psa_reserved[2]; /* [0x3A-0x3B] Reserved - fixed 00 */
- unsigned char psa_conf_status; /* [0x3C] Conf Status, bit 0=1:config*/
- unsigned char psa_crc[2]; /* [0x3D] CRC-16 over PSA */
- unsigned char psa_crc_status; /* [0x3F] CRC Valid Flag */
-};
-
-/* Size for structure checking (if padding is correct) */
-#define PSA_SIZE 64
-
-/* Calculate offset of a field in the above structure
- * Warning : only even addresses are used */
-#define psaoff(p,f) ((unsigned short) ((void *)(&((psa_t *) ((void *) NULL + (p)))->f) - (void *) NULL))
-
-/******************** MODEM MANAGEMENT INTERFACE ********************/
-
-/*
- * Modem Management Controller (MMC) write structure.
- */
-typedef struct mmw_t mmw_t;
-struct mmw_t
-{
- unsigned char mmw_encr_key[8]; /* encryption key */
- unsigned char mmw_encr_enable; /* enable/disable encryption */
-#define MMW_ENCR_ENABLE_MODE 0x02 /* Mode of security option */
-#define MMW_ENCR_ENABLE_EN 0x01 /* Enable security option */
- unsigned char mmw_unused0[1]; /* unused */
- unsigned char mmw_des_io_invert; /* Encryption option */
-#define MMW_DES_IO_INVERT_RES 0x0F /* Reserved */
-#define MMW_DES_IO_INVERT_CTRL 0xF0 /* Control ??? (set to 0) */
- unsigned char mmw_unused1[5]; /* unused */
- unsigned char mmw_loopt_sel; /* looptest selection */
-#define MMW_LOOPT_SEL_DIS_NWID 0x40 /* disable NWID filtering */
-#define MMW_LOOPT_SEL_INT 0x20 /* activate Attention Request */
-#define MMW_LOOPT_SEL_LS 0x10 /* looptest w/o collision avoidance */
-#define MMW_LOOPT_SEL_LT3A 0x08 /* looptest 3a */
-#define MMW_LOOPT_SEL_LT3B 0x04 /* looptest 3b */
-#define MMW_LOOPT_SEL_LT3C 0x02 /* looptest 3c */
-#define MMW_LOOPT_SEL_LT3D 0x01 /* looptest 3d */
- unsigned char mmw_jabber_enable; /* jabber timer enable */
- /* Abort transmissions > 200 ms */
- unsigned char mmw_freeze; /* freeze / unfreeeze signal level */
- /* 0 : signal level & qual updated for every new message, 1 : frozen */
- unsigned char mmw_anten_sel; /* antenna selection */
-#define MMW_ANTEN_SEL_SEL 0x01 /* direct antenna selection */
-#define MMW_ANTEN_SEL_ALG_EN 0x02 /* antenna selection algo. enable */
- unsigned char mmw_ifs; /* inter frame spacing */
- /* min time between transmission in bit periods (.5 us) - bit 0 ignored */
- unsigned char mmw_mod_delay; /* modem delay (synchro) */
- unsigned char mmw_jam_time; /* jamming time (after collision) */
- unsigned char mmw_unused2[1]; /* unused */
- unsigned char mmw_thr_pre_set; /* level threshold preset */
- /* Discard all packet with signal < this value (4) */
- unsigned char mmw_decay_prm; /* decay parameters */
- unsigned char mmw_decay_updat_prm; /* decay update parameterz */
- unsigned char mmw_quality_thr; /* quality (z-quotient) threshold */
- /* Discard all packet with quality < this value (3) */
- unsigned char mmw_netw_id_l; /* NWID low order byte */
- unsigned char mmw_netw_id_h; /* NWID high order byte */
- /* Network ID or Domain : create virtual net on the air */
-
- /* 2.0 Hardware extension - frequency selection support */
- unsigned char mmw_mode_select; /* for analog tests (set to 0) */
- unsigned char mmw_unused3[1]; /* unused */
- unsigned char mmw_fee_ctrl; /* frequency eeprom control */
-#define MMW_FEE_CTRL_PRE 0x10 /* Enable protected instructions */
-#define MMW_FEE_CTRL_DWLD 0x08 /* Download eeprom to mmc */
-#define MMW_FEE_CTRL_CMD 0x07 /* EEprom commands : */
-#define MMW_FEE_CTRL_READ 0x06 /* Read */
-#define MMW_FEE_CTRL_WREN 0x04 /* Write enable */
-#define MMW_FEE_CTRL_WRITE 0x05 /* Write data to address */
-#define MMW_FEE_CTRL_WRALL 0x04 /* Write data to all addresses */
-#define MMW_FEE_CTRL_WDS 0x04 /* Write disable */
-#define MMW_FEE_CTRL_PRREAD 0x16 /* Read addr from protect register */
-#define MMW_FEE_CTRL_PREN 0x14 /* Protect register enable */
-#define MMW_FEE_CTRL_PRCLEAR 0x17 /* Unprotect all registers */
-#define MMW_FEE_CTRL_PRWRITE 0x15 /* Write addr in protect register */
-#define MMW_FEE_CTRL_PRDS 0x14 /* Protect register disable */
- /* Never issue this command (PRDS) : it's irreversible !!! */
-
- unsigned char mmw_fee_addr; /* EEprom address */
-#define MMW_FEE_ADDR_CHANNEL 0xF0 /* Select the channel */
-#define MMW_FEE_ADDR_OFFSET 0x0F /* Offset in channel data */
-#define MMW_FEE_ADDR_EN 0xC0 /* FEE_CTRL enable operations */
-#define MMW_FEE_ADDR_DS 0x00 /* FEE_CTRL disable operations */
-#define MMW_FEE_ADDR_ALL 0x40 /* FEE_CTRL all operations */
-#define MMW_FEE_ADDR_CLEAR 0xFF /* FEE_CTRL clear operations */
-
- unsigned char mmw_fee_data_l; /* Write data to EEprom */
- unsigned char mmw_fee_data_h; /* high octet */
- unsigned char mmw_ext_ant; /* Setting for external antenna */
-#define MMW_EXT_ANT_EXTANT 0x01 /* Select external antenna */
-#define MMW_EXT_ANT_POL 0x02 /* Polarity of the antenna */
-#define MMW_EXT_ANT_INTERNAL 0x00 /* Internal antenna */
-#define MMW_EXT_ANT_EXTERNAL 0x03 /* External antenna */
-#define MMW_EXT_ANT_IQ_TEST 0x1C /* IQ test pattern (set to 0) */
-} __attribute__((packed));
-
-/* Size for structure checking (if padding is correct) */
-#define MMW_SIZE 37
-
-/* Calculate offset of a field in the above structure */
-#define mmwoff(p,f) (unsigned short)((void *)(&((mmw_t *)((void *)0 + (p)))->f) - (void *)0)
-
-
-/*
- * Modem Management Controller (MMC) read structure.
- */
-typedef struct mmr_t mmr_t;
-struct mmr_t
-{
- unsigned char mmr_unused0[8]; /* unused */
- unsigned char mmr_des_status; /* encryption status */
- unsigned char mmr_des_avail; /* encryption available (0x55 read) */
-#define MMR_DES_AVAIL_DES 0x55 /* DES available */
-#define MMR_DES_AVAIL_AES 0x33 /* AES (AT&T) available */
- unsigned char mmr_des_io_invert; /* des I/O invert register */
- unsigned char mmr_unused1[5]; /* unused */
- unsigned char mmr_dce_status; /* DCE status */
-#define MMR_DCE_STATUS_RX_BUSY 0x01 /* receiver busy */
-#define MMR_DCE_STATUS_LOOPT_IND 0x02 /* loop test indicated */
-#define MMR_DCE_STATUS_TX_BUSY 0x04 /* transmitter on */
-#define MMR_DCE_STATUS_JBR_EXPIRED 0x08 /* jabber timer expired */
-#define MMR_DCE_STATUS 0x0F /* mask to get the bits */
- unsigned char mmr_dsp_id; /* DSP id (AA = Daedalus rev A) */
- unsigned char mmr_unused2[2]; /* unused */
- unsigned char mmr_correct_nwid_l; /* # of correct NWID's rxd (low) */
- unsigned char mmr_correct_nwid_h; /* # of correct NWID's rxd (high) */
- /* Warning : Read high order octet first !!! */
- unsigned char mmr_wrong_nwid_l; /* # of wrong NWID's rxd (low) */
- unsigned char mmr_wrong_nwid_h; /* # of wrong NWID's rxd (high) */
- unsigned char mmr_thr_pre_set; /* level threshold preset */
-#define MMR_THR_PRE_SET 0x3F /* level threshold preset */
-#define MMR_THR_PRE_SET_CUR 0x80 /* Current signal above it */
- unsigned char mmr_signal_lvl; /* signal level */
-#define MMR_SIGNAL_LVL 0x3F /* signal level */
-#define MMR_SIGNAL_LVL_VALID 0x80 /* Updated since last read */
- unsigned char mmr_silence_lvl; /* silence level (noise) */
-#define MMR_SILENCE_LVL 0x3F /* silence level */
-#define MMR_SILENCE_LVL_VALID 0x80 /* Updated since last read */
- unsigned char mmr_sgnl_qual; /* signal quality */
-#define MMR_SGNL_QUAL 0x0F /* signal quality */
-#define MMR_SGNL_QUAL_ANT 0x80 /* current antenna used */
- unsigned char mmr_netw_id_l; /* NWID low order byte ??? */
- unsigned char mmr_unused3[3]; /* unused */
-
- /* 2.0 Hardware extension - frequency selection support */
- unsigned char mmr_fee_status; /* Status of frequency eeprom */
-#define MMR_FEE_STATUS_ID 0xF0 /* Modem revision id */
-#define MMR_FEE_STATUS_DWLD 0x08 /* Download in progress */
-#define MMR_FEE_STATUS_BUSY 0x04 /* EEprom busy */
- unsigned char mmr_unused4[1]; /* unused */
- unsigned char mmr_fee_data_l; /* Read data from eeprom (low) */
- unsigned char mmr_fee_data_h; /* Read data from eeprom (high) */
-};
-
-/* Size for structure checking (if padding is correct) */
-#define MMR_SIZE 36
-
-/* Calculate offset of a field in the above structure */
-#define mmroff(p,f) (unsigned short)((void *)(&((mmr_t *)((void *)0 + (p)))->f) - (void *)0)
-
-
-/* Make the two above structures one */
-typedef union mm_t
-{
- struct mmw_t w; /* Write to the mmc */
- struct mmr_t r; /* Read from the mmc */
-} mm_t;
-
-#endif /* _WAVELAN_CS_H */
+++ /dev/null
-/*
- * Wavelan Pcmcia driver
- *
- * Jean II - HPLB '96
- *
- * Reorganisation and extension of the driver.
- *
- * This file contain all definition and declarations necessary for the
- * wavelan pcmcia driver. This file is a private header, so it should
- * be included only on wavelan_cs.c !!!
- */
-
-#ifndef WAVELAN_CS_P_H
-#define WAVELAN_CS_P_H
-
-/************************** DOCUMENTATION **************************/
-/*
- * This driver provide a Linux interface to the Wavelan Pcmcia hardware
- * The Wavelan is a product of Lucent (http://www.wavelan.com/).
- * This division was formerly part of NCR and then AT&T.
- * Wavelan are also distributed by DEC (RoamAbout DS)...
- *
- * To know how to use this driver, read the PCMCIA HOWTO.
- * If you want to exploit the many other fonctionalities, look comments
- * in the code...
- *
- * This driver is the result of the effort of many peoples (see below).
- */
-
-/* ------------------------ SPECIFIC NOTES ------------------------ */
-/*
- * Web page
- * --------
- * I try to maintain a web page with the Wireless LAN Howto at :
- * http://www.hpl.hp.com/personal/Jean_Tourrilhes/Linux/Wavelan.html
- *
- * SMP
- * ---
- * We now are SMP compliant (I eventually fixed the remaining bugs).
- * The driver has been tested on a dual P6-150 and survived my usual
- * set of torture tests.
- * Anyway, I spent enough time chasing interrupt re-entrancy during
- * errors or reconfigure, and I designed the locked/unlocked sections
- * of the driver with great care, and with the recent addition of
- * the spinlock (thanks to the new API), we should be quite close to
- * the truth.
- * The SMP/IRQ locking is quite coarse and conservative (i.e. not fast),
- * but better safe than sorry (especially at 2 Mb/s ;-).
- *
- * I have also looked into disabling only our interrupt on the card
- * (via HACR) instead of all interrupts in the processor (via cli),
- * so that other driver are not impacted, and it look like it's
- * possible, but it's very tricky to do right (full of races). As
- * the gain would be mostly for SMP systems, it can wait...
- *
- * Debugging and options
- * ---------------------
- * You will find below a set of '#define" allowing a very fine control
- * on the driver behaviour and the debug messages printed.
- * The main options are :
- * o WAVELAN_ROAMING, for the experimental roaming support.
- * o SET_PSA_CRC, to have your card correctly recognised by
- * an access point and the Point-to-Point diagnostic tool.
- * o USE_PSA_CONFIG, to read configuration from the PSA (EEprom)
- * (otherwise we always start afresh with some defaults)
- *
- * wavelan_cs.o is darn too big
- * -------------------------
- * That's true ! There is a very simple way to reduce the driver
- * object by 33% (yes !). Comment out the following line :
- * #include <linux/wireless.h>
- * Other compile options can also reduce the size of it...
- *
- * MAC address and hardware detection :
- * ----------------------------------
- * The detection code of the wavelan chech that the first 3
- * octets of the MAC address fit the company code. This type of
- * detection work well for AT&T cards (because the AT&T code is
- * hardcoded in wavelan_cs.h), but of course will fail for other
- * manufacturer.
- *
- * If you are sure that your card is derived from the wavelan,
- * here is the way to configure it :
- * 1) Get your MAC address
- * a) With your card utilities (wfreqsel, instconf, ...)
- * b) With the driver :
- * o compile the kernel with DEBUG_CONFIG_INFO enabled
- * o Boot and look the card messages
- * 2) Set your MAC code (3 octets) in MAC_ADDRESSES[][3] (wavelan_cs.h)
- * 3) Compile & verify
- * 4) Send me the MAC code - I will include it in the next version...
- *
- */
-
-/* --------------------- WIRELESS EXTENSIONS --------------------- */
-/*
- * This driver is the first one to support "wireless extensions".
- * This set of extensions provide you some way to control the wireless
- * caracteristics of the hardware in a standard way and support for
- * applications for taking advantage of it (like Mobile IP).
- *
- * It might be a good idea as well to fetch the wireless tools to
- * configure the device and play a bit.
- */
-
-/* ---------------------------- FILES ---------------------------- */
-/*
- * wavelan_cs.c : The actual code for the driver - C functions
- *
- * wavelan_cs.p.h : Private header : local types / vars for the driver
- *
- * wavelan_cs.h : Description of the hardware interface & structs
- *
- * i82593.h : Description if the Ethernet controller
- */
-
-/* --------------------------- HISTORY --------------------------- */
-/*
- * The history of the Wavelan drivers is as complicated as history of
- * the Wavelan itself (NCR -> AT&T -> Lucent).
- *
- * All started with Anders Klemets <klemets@paul.rutgers.edu>,
- * writing a Wavelan ISA driver for the MACH microkernel. Girish
- * Welling <welling@paul.rutgers.edu> had also worked on it.
- * Keith Moore modify this for the Pcmcia hardware.
- *
- * Robert Morris <rtm@das.harvard.edu> port these two drivers to BSDI
- * and add specific Pcmcia support (there is currently no equivalent
- * of the PCMCIA package under BSD...).
- *
- * Jim Binkley <jrb@cs.pdx.edu> port both BSDI drivers to FreeBSD.
- *
- * Bruce Janson <bruce@cs.usyd.edu.au> port the BSDI ISA driver to Linux.
- *
- * Anthony D. Joseph <adj@lcs.mit.edu> started modify Bruce driver
- * (with help of the BSDI PCMCIA driver) for PCMCIA.
- * Yunzhou Li <yunzhou@strat.iol.unh.edu> finished is work.
- * Joe Finney <joe@comp.lancs.ac.uk> patched the driver to start
- * correctly 2.00 cards (2.4 GHz with frequency selection).
- * David Hinds <dahinds@users.sourceforge.net> integrated the whole in his
- * Pcmcia package (+ bug corrections).
- *
- * I (Jean Tourrilhes - jt@hplb.hpl.hp.com) then started to make some
- * patchs to the Pcmcia driver. After, I added code in the ISA driver
- * for Wireless Extensions and full support of frequency selection
- * cards. Now, I'm doing the same to the Pcmcia driver + some
- * reorganisation.
- * Loeke Brederveld <lbrederv@wavelan.com> from Lucent has given me
- * much needed informations on the Wavelan hardware.
- */
-
-/* By the way : for the copyright & legal stuff :
- * Almost everybody wrote code under GNU or BSD license (or alike),
- * and want that their original copyright remain somewhere in the
- * code (for myself, I go with the GPL).
- * Nobody want to take responsibility for anything, except the fame...
- */
-
-/* --------------------------- CREDITS --------------------------- */
-/*
- * Credits:
- * Special thanks to Jan Hoogendoorn of AT&T GIS Utrecht and
- * Loeke Brederveld of Lucent for providing extremely useful
- * information about WaveLAN PCMCIA hardware
- *
- * This driver is based upon several other drivers, in particular:
- * David Hinds' Linux driver for the PCMCIA 3c589 ethernet adapter
- * Bruce Janson's Linux driver for the AT-bus WaveLAN adapter
- * Anders Klemets' PCMCIA WaveLAN adapter driver
- * Robert Morris' BSDI driver for the PCMCIA WaveLAN adapter
- *
- * Additional Credits:
- *
- * This software was originally developed under Linux 1.2.3
- * (Slackware 2.0 distribution).
- * And then under Linux 2.0.x (Debian 1.1 -> 2.2 - pcmcia 2.8.18+)
- * with an HP OmniBook 4000 and then a 5500.
- *
- * It is based on other device drivers and information either written
- * or supplied by:
- * James Ashton (jaa101@syseng.anu.edu.au),
- * Ajay Bakre (bakre@paul.rutgers.edu),
- * Donald Becker (becker@super.org),
- * Jim Binkley <jrb@cs.pdx.edu>,
- * Loeke Brederveld <lbrederv@wavelan.com>,
- * Allan Creighton (allanc@cs.su.oz.au),
- * Brent Elphick <belphick@uwaterloo.ca>,
- * Joe Finney <joe@comp.lancs.ac.uk>,
- * Matthew Geier (matthew@cs.su.oz.au),
- * Remo di Giovanni (remo@cs.su.oz.au),
- * Mark Hagan (mhagan@wtcpost.daytonoh.NCR.COM),
- * David Hinds <dahinds@users.sourceforge.net>,
- * Jan Hoogendoorn (c/o marteijn@lucent.com),
- * Bruce Janson <bruce@cs.usyd.edu.au>,
- * Anthony D. Joseph <adj@lcs.mit.edu>,
- * Anders Klemets (klemets@paul.rutgers.edu),
- * Yunzhou Li <yunzhou@strat.iol.unh.edu>,
- * Marc Meertens (mmeertens@lucent.com),
- * Keith Moore,
- * Robert Morris (rtm@das.harvard.edu),
- * Ian Parkin (ian@cs.su.oz.au),
- * John Rosenberg (johnr@cs.su.oz.au),
- * George Rossi (george@phm.gov.au),
- * Arthur Scott (arthur@cs.su.oz.au),
- * Stanislav Sinyagin <stas@isf.ru>
- * Peter Storey,
- * Jean Tourrilhes <jt@hpl.hp.com>,
- * Girish Welling (welling@paul.rutgers.edu)
- * Clark Woodworth <clark@hiway1.exit109.com>
- * Yongguang Zhang <ygz@isl.hrl.hac.com>...
- */
-
-/* ------------------------- IMPROVEMENTS ------------------------- */
-/*
- * I proudly present :
- *
- * Changes made in 2.8.22 :
- * ----------------------
- * - improved wv_set_multicast_list
- * - catch spurious interrupt
- * - correct release of the device
- *
- * Changes mades in release :
- * ------------------------
- * - Reorganisation of the code, function name change
- * - Creation of private header (wavelan_cs.h)
- * - Reorganised debug messages
- * - More comments, history, ...
- * - Configure earlier (in "insert" instead of "open")
- * and do things only once
- * - mmc_init : configure the PSA if not done
- * - mmc_init : 2.00 detection better code for 2.00 init
- * - better info at startup
- * - Correct a HUGE bug (volatile & uncalibrated busy loop)
- * in wv_82593_cmd => config speedup
- * - Stop receiving & power down on close (and power up on open)
- * use "ifconfig down" & "ifconfig up ; route add -net ..."
- * - Send packets : add watchdog instead of pooling
- * - Receive : check frame wrap around & try to recover some frames
- * - wavelan_set_multicast_list : avoid reset
- * - add wireless extensions (ioctl & get_wireless_stats)
- * get/set nwid/frequency on fly, info for /proc/net/wireless
- * - Suppress useless stuff from lp (net_local), but add link
- * - More inlines
- * - Lot of others minor details & cleanups
- *
- * Changes made in second release :
- * ------------------------------
- * - Optimise wv_85893_reconfig stuff, fix potential problems
- * - Change error values for ioctl
- * - Non blocking wv_ru_stop() + call wv_reset() in case of problems
- * - Remove development printk from wavelan_watchdog()
- * - Remove of the watchdog to wavelan_close instead of wavelan_release
- * fix potential problems...
- * - Start debugging suspend stuff (but it's still a bit weird)
- * - Debug & optimize dump header/packet in Rx & Tx (debug)
- * - Use "readb" and "writeb" to be kernel 2.1 compliant
- * - Better handling of bogus interrupts
- * - Wireless extension : SETSPY and GETSPY
- * - Remove old stuff (stats - for those needing it, just ask me...)
- * - Make wireless extensions optional
- *
- * Changes made in third release :
- * -----------------------------
- * - cleanups & typos
- * - modif wireless ext (spy -> only one pointer)
- * - new private ioctl to set/get quality & level threshold
- * - Init : correct default value of level threshold for pcmcia
- * - kill watchdog in hw_reset
- * - more 2.1 support (copy_to/from_user instead of memcpy_to/fromfs)
- * - Add message level (debug stuff in /var/adm/debug & errors not
- * displayed at console and still in /var/adm/messages)
- *
- * Changes made in fourth release :
- * ------------------------------
- * - multicast support (yes !) thanks to Yongguang Zhang.
- *
- * Changes made in fifth release (2.9.0) :
- * -------------------------------------
- * - Revisited multicast code (it was mostly wrong).
- * - protect code in wv_82593_reconfig with dev->tbusy (oups !)
- *
- * Changes made in sixth release (2.9.1a) :
- * --------------------------------------
- * - Change the detection code for multi manufacturer code support
- * - Correct bug (hang kernel) in init when we were "rejecting" a card
- *
- * Changes made in seventh release (2.9.1b) :
- * ----------------------------------------
- * - Update to wireless extensions changes
- * - Silly bug in card initial configuration (psa_conf_status)
- *
- * Changes made in eigth release :
- * -----------------------------
- * - Small bug in debug code (probably not the last one...)
- * - 1.2.13 support (thanks to Clark Woodworth)
- *
- * Changes made for release in 2.9.2b :
- * ----------------------------------
- * - Level threshold is now a standard wireless extension (version 4 !)
- * - modules parameters types for kernel > 2.1.17
- * - updated man page
- * - Others cleanup from David Hinds
- *
- * Changes made for release in 2.9.5 :
- * ---------------------------------
- * - byte count stats (courtesy of David Hinds)
- * - Remove dev_tint stuff (courtesy of David Hinds)
- * - Others cleanup from David Hinds
- * - Encryption setting from Brent Elphick (thanks a lot !)
- * - 'base' to 'u_long' for the Alpha (thanks to Stanislav Sinyagin)
- *
- * Changes made for release in 2.9.6 :
- * ---------------------------------
- * - fix bug : no longuer disable watchdog in case of bogus interrupt
- * - increase timeout in config code for picky hardware
- * - mask unused bits in status (Wireless Extensions)
- *
- * Changes integrated by Justin Seger <jseger@MIT.EDU> & David Hinds :
- * -----------------------------------------------------------------
- * - Roaming "hack" from Joe Finney <joe@comp.lancs.ac.uk>
- * - PSA CRC code from Bob Gray <rgray@bald.cs.dartmouth.edu>
- * - Better initialisation of the i82593 controller
- * from Joseph K. O'Sullivan <josullvn+@cs.cmu.edu>
- *
- * Changes made for release in 3.0.10 :
- * ----------------------------------
- * - Fix eject "hang" of the driver under 2.2.X :
- * o create wv_flush_stale_links()
- * o Rename wavelan_release to wv_pcmcia_release & move up
- * o move unregister_netdev to wavelan_detach()
- * o wavelan_release() no longer call wavelan_detach()
- * o Suppress "release" timer
- * o Other cleanups & fixes
- * - New MAC address in the probe
- * - Reorg PSA_CRC code (endian neutral & cleaner)
- * - Correct initialisation of the i82593 from Lucent manual
- * - Put back the watchdog, with larger timeout
- * - TRANSMIT_NO_CRC is a "normal" error, so recover from it
- * from Derrick J Brashear <shadow@dementia.org>
- * - Better handling of TX and RX normal failure conditions
- * - #ifdef out all the roaming code
- * - Add ESSID & "AP current address" ioctl stubs
- * - General cleanup of the code
- *
- * Changes made for release in 3.0.13 :
- * ----------------------------------
- * - Re-enable compilation of roaming code by default, but with
- * do_roaming = 0
- * - Nuke `nwid=nwid^ntohs(beacon->domain_id)' in wl_roam_gather
- * at the demand of John Carol Langford <jcl@gs176.sp.cs.cmu.edu>
- * - Introduced WAVELAN_ROAMING_EXT for incomplete ESSID stuff.
- *
- * Changes made for release in 3.0.15 :
- * ----------------------------------
- * - Change e-mail and web page addresses
- * - Watchdog timer is now correctly expressed in HZ, not in jiffies
- * - Add channel number to the list of frequencies in range
- * - Add the (short) list of bit-rates in range
- * - Developp a new sensitivity... (sens.value & sens.fixed)
- *
- * Changes made for release in 3.1.2 :
- * ---------------------------------
- * - Fix check for root permission (break instead of exit)
- * - New nwid & encoding setting (Wireless Extension 9)
- *
- * Changes made for release in 3.1.12 :
- * ----------------------------------
- * - reworked wv_82593_cmd to avoid using the IRQ handler and doing
- * ugly things with interrupts.
- * - Add IRQ protection in 82593_config/ru_start/ru_stop/watchdog
- * - Update to new network API (softnet - 2.3.43) :
- * o replace dev->tbusy (David + me)
- * o replace dev->tstart (David + me)
- * o remove dev->interrupt (David)
- * o add SMP locking via spinlock in splxx (me)
- * o add spinlock in interrupt handler (me)
- * o use kernel watchdog instead of ours (me)
- * o verify that all the changes make sense and work (me)
- * - Re-sync kernel/pcmcia versions (not much actually)
- * - A few other cleanups (David & me)...
- *
- * Changes made for release in 3.1.22 :
- * ----------------------------------
- * - Check that SMP works, remove annoying log message
- *
- * Changes made for release in 3.1.24 :
- * ----------------------------------
- * - Fix unfrequent card lockup when watchdog was reseting the hardware :
- * o control first busy loop in wv_82593_cmd()
- * o Extend spinlock protection in wv_hw_config()
- *
- * Changes made for release in 3.1.33 :
- * ----------------------------------
- * - Optional use new driver API for Wireless Extensions :
- * o got rid of wavelan_ioctl()
- * o use a bunch of iw_handler instead
- *
- * Changes made for release in 3.2.1 :
- * ---------------------------------
- * - Set dev->trans_start to avoid filling the logs
- * (and generating useless abort commands)
- * - Avoid deadlocks in mmc_out()/mmc_in()
- *
- * Wishes & dreams:
- * ----------------
- * - Cleanup and integrate the roaming code
- * (std debug, set DomainID, decay avg and co...)
- */
-
-/***************************** INCLUDES *****************************/
-
-/* Linux headers that we need */
-#include <linux/module.h>
-#include <linux/kernel.h>
-#include <linux/init.h>
-#include <linux/sched.h>
-#include <linux/ptrace.h>
-#include <linux/slab.h>
-#include <linux/string.h>
-#include <linux/timer.h>
-#include <linux/interrupt.h>
-#include <linux/spinlock.h>
-#include <linux/in.h>
-#include <linux/delay.h>
-#include <linux/bitops.h>
-#include <asm/uaccess.h>
-#include <asm/io.h>
-#include <asm/system.h>
-
-#include <linux/netdevice.h>
-#include <linux/etherdevice.h>
-#include <linux/skbuff.h>
-#include <linux/if_arp.h>
-#include <linux/ioport.h>
-#include <linux/fcntl.h>
-#include <linux/ethtool.h>
-#include <linux/wireless.h> /* Wireless extensions */
-#include <net/iw_handler.h> /* New driver API */
-
-/* Pcmcia headers that we need */
-#include <pcmcia/cs_types.h>
-#include <pcmcia/cs.h>
-#include <pcmcia/cistpl.h>
-#include <pcmcia/cisreg.h>
-#include <pcmcia/ds.h>
-
-/* Wavelan declarations */
-#include "i82593.h" /* Definitions for the Intel chip */
-
-#include "wavelan_cs.h" /* Others bits of the hardware */
-
-/************************** DRIVER OPTIONS **************************/
-/*
- * `#define' or `#undef' the following constant to change the behaviour
- * of the driver...
- */
-#define WAVELAN_ROAMING /* Include experimental roaming code */
-#undef WAVELAN_ROAMING_EXT /* Enable roaming wireless extensions */
-#undef SET_PSA_CRC /* Set the CRC in PSA (slower) */
-#define USE_PSA_CONFIG /* Use info from the PSA */
-#undef EEPROM_IS_PROTECTED /* Doesn't seem to be necessary */
-#define MULTICAST_AVOID /* Avoid extra multicast (I'm sceptical) */
-#undef SET_MAC_ADDRESS /* Experimental */
-
-/* Warning : these stuff will slow down the driver... */
-#define WIRELESS_SPY /* Enable spying addresses */
-#undef HISTOGRAM /* Enable histogram of sig level... */
-
-/****************************** DEBUG ******************************/
-
-#undef DEBUG_MODULE_TRACE /* Module insertion/removal */
-#undef DEBUG_CALLBACK_TRACE /* Calls made by Linux */
-#undef DEBUG_INTERRUPT_TRACE /* Calls to handler */
-#undef DEBUG_INTERRUPT_INFO /* type of interrupt & so on */
-#define DEBUG_INTERRUPT_ERROR /* problems */
-#undef DEBUG_CONFIG_TRACE /* Trace the config functions */
-#undef DEBUG_CONFIG_INFO /* What's going on... */
-#define DEBUG_CONFIG_ERRORS /* Errors on configuration */
-#undef DEBUG_TX_TRACE /* Transmission calls */
-#undef DEBUG_TX_INFO /* Header of the transmitted packet */
-#undef DEBUG_TX_FAIL /* Normal failure conditions */
-#define DEBUG_TX_ERROR /* Unexpected conditions */
-#undef DEBUG_RX_TRACE /* Transmission calls */
-#undef DEBUG_RX_INFO /* Header of the transmitted packet */
-#undef DEBUG_RX_FAIL /* Normal failure conditions */
-#define DEBUG_RX_ERROR /* Unexpected conditions */
-#undef DEBUG_PACKET_DUMP /* Dump packet on the screen */
-#undef DEBUG_IOCTL_TRACE /* Misc call by Linux */
-#undef DEBUG_IOCTL_INFO /* Various debug info */
-#define DEBUG_IOCTL_ERROR /* What's going wrong */
-#define DEBUG_BASIC_SHOW /* Show basic startup info */
-#undef DEBUG_VERSION_SHOW /* Print version info */
-#undef DEBUG_PSA_SHOW /* Dump psa to screen */
-#undef DEBUG_MMC_SHOW /* Dump mmc to screen */
-#undef DEBUG_SHOW_UNUSED /* Show also unused fields */
-#undef DEBUG_I82593_SHOW /* Show i82593 status */
-#undef DEBUG_DEVICE_SHOW /* Show device parameters */
-
-/************************ CONSTANTS & MACROS ************************/
-
-#ifdef DEBUG_VERSION_SHOW
-static const char *version = "wavelan_cs.c : v24 (SMP + wireless extensions) 11/1/02\n";
-#endif
-
-/* Watchdog temporisation */
-#define WATCHDOG_JIFFIES (256*HZ/100)
-
-/* Fix a bug in some old wireless extension definitions */
-#ifndef IW_ESSID_MAX_SIZE
-#define IW_ESSID_MAX_SIZE 32
-#endif
-
-/* ------------------------ PRIVATE IOCTL ------------------------ */
-
-#define SIOCSIPQTHR SIOCIWFIRSTPRIV /* Set quality threshold */
-#define SIOCGIPQTHR SIOCIWFIRSTPRIV + 1 /* Get quality threshold */
-#define SIOCSIPROAM SIOCIWFIRSTPRIV + 2 /* Set roaming state */
-#define SIOCGIPROAM SIOCIWFIRSTPRIV + 3 /* Get roaming state */
-
-#define SIOCSIPHISTO SIOCIWFIRSTPRIV + 4 /* Set histogram ranges */
-#define SIOCGIPHISTO SIOCIWFIRSTPRIV + 5 /* Get histogram values */
-
-/*************************** WaveLAN Roaming **************************/
-#ifdef WAVELAN_ROAMING /* Conditional compile, see above in options */
-
-#define WAVELAN_ROAMING_DEBUG 0 /* 1 = Trace of handover decisions */
- /* 2 = Info on each beacon rcvd... */
-#define MAX_WAVEPOINTS 7 /* Max visible at one time */
-#define WAVEPOINT_HISTORY 5 /* SNR sample history slow search */
-#define WAVEPOINT_FAST_HISTORY 2 /* SNR sample history fast search */
-#define SEARCH_THRESH_LOW 10 /* SNR to enter cell search */
-#define SEARCH_THRESH_HIGH 13 /* SNR to leave cell search */
-#define WAVELAN_ROAMING_DELTA 1 /* Hysteresis value (+/- SNR) */
-#define CELL_TIMEOUT 2*HZ /* in jiffies */
-
-#define FAST_CELL_SEARCH 1 /* Boolean values... */
-#define NWID_PROMISC 1 /* for code clarity. */
-
-typedef struct wavepoint_beacon
-{
- unsigned char dsap, /* Unused */
- ssap, /* Unused */
- ctrl, /* Unused */
- O,U,I, /* Unused */
- spec_id1, /* Unused */
- spec_id2, /* Unused */
- pdu_type, /* Unused */
- seq; /* WavePoint beacon sequence number */
- __be16 domain_id, /* WavePoint Domain ID */
- nwid; /* WavePoint NWID */
-} wavepoint_beacon;
-
-typedef struct wavepoint_history
-{
- unsigned short nwid; /* WavePoint's NWID */
- int average_slow; /* SNR running average */
- int average_fast; /* SNR running average */
- unsigned char sigqual[WAVEPOINT_HISTORY]; /* Ringbuffer of recent SNR's */
- unsigned char qualptr; /* Index into ringbuffer */
- unsigned char last_seq; /* Last seq. no seen for WavePoint */
- struct wavepoint_history *next; /* Next WavePoint in table */
- struct wavepoint_history *prev; /* Previous WavePoint in table */
- unsigned long last_seen; /* Time of last beacon recvd, jiffies */
-} wavepoint_history;
-
-struct wavepoint_table
-{
- wavepoint_history *head; /* Start of ringbuffer */
- int num_wavepoints; /* No. of WavePoints visible */
- unsigned char locked; /* Table lock */
-};
-
-#endif /* WAVELAN_ROAMING */
-
-/****************************** TYPES ******************************/
-
-/* Shortcuts */
-typedef struct iw_statistics iw_stats;
-typedef struct iw_quality iw_qual;
-typedef struct iw_freq iw_freq;
-typedef struct net_local net_local;
-typedef struct timer_list timer_list;
-
-/* Basic types */
-typedef u_char mac_addr[WAVELAN_ADDR_SIZE]; /* Hardware address */
-
-/*
- * Static specific data for the interface.
- *
- * For each network interface, Linux keep data in two structure. "device"
- * keep the generic data (same format for everybody) and "net_local" keep
- * the additional specific data.
- */
-struct net_local
-{
- dev_node_t node; /* ???? What is this stuff ???? */
- struct net_device * dev; /* Reverse link... */
- spinlock_t spinlock; /* Serialize access to the hardware (SMP) */
- struct pcmcia_device * link; /* pcmcia structure */
- int nresets; /* Number of hw resets */
- u_char configured; /* If it is configured */
- u_char reconfig_82593; /* Need to reconfigure the controller */
- u_char promiscuous; /* Promiscuous mode */
- u_char allmulticast; /* All Multicast mode */
- int mc_count; /* Number of multicast addresses */
-
- int stop; /* Current i82593 Stop Hit Register */
- int rfp; /* Last DMA machine receive pointer */
- int overrunning; /* Receiver overrun flag */
-
- iw_stats wstats; /* Wireless specific stats */
-
- struct iw_spy_data spy_data;
- struct iw_public_data wireless_data;
-
-#ifdef HISTOGRAM
- int his_number; /* Number of intervals */
- u_char his_range[16]; /* Boundaries of interval ]n-1; n] */
- u_long his_sum[16]; /* Sum in interval */
-#endif /* HISTOGRAM */
-#ifdef WAVELAN_ROAMING
- u_long domain_id; /* Domain ID we lock on for roaming */
- int filter_domains; /* Check Domain ID of beacon found */
- struct wavepoint_table wavepoint_table; /* Table of visible WavePoints*/
- wavepoint_history * curr_point; /* Current wavepoint */
- int cell_search; /* Searching for new cell? */
- struct timer_list cell_timer; /* Garbage collection */
-#endif /* WAVELAN_ROAMING */
- void __iomem *mem;
-};
-
-/* ----------------- MODEM MANAGEMENT SUBROUTINES ----------------- */
-static inline u_char /* data */
- hasr_read(u_long); /* Read the host interface : base address */
-static void
- hacr_write(u_long, /* Write to host interface : base address */
- u_char), /* data */
- hacr_write_slow(u_long,
- u_char);
-static void
- psa_read(struct net_device *, /* Read the Parameter Storage Area */
- int, /* offset in PSA */
- u_char *, /* buffer to fill */
- int), /* size to read */
- psa_write(struct net_device *, /* Write to the PSA */
- int, /* Offset in psa */
- u_char *, /* Buffer in memory */
- int); /* Length of buffer */
-static void
- mmc_out(u_long, /* Write 1 byte to the Modem Manag Control */
- u_short,
- u_char),
- mmc_write(u_long, /* Write n bytes to the MMC */
- u_char,
- u_char *,
- int);
-static u_char /* Read 1 byte from the MMC */
- mmc_in(u_long,
- u_short);
-static void
- mmc_read(u_long, /* Read n bytes from the MMC */
- u_char,
- u_char *,
- int),
- fee_wait(u_long, /* Wait for frequency EEprom : base address */
- int, /* Base delay to wait for */
- int); /* Number of time to wait */
-static void
- fee_read(u_long, /* Read the frequency EEprom : base address */
- u_short, /* destination offset */
- u_short *, /* data buffer */
- int); /* number of registers */
-/* ---------------------- I82593 SUBROUTINES ----------------------- */
-static int
- wv_82593_cmd(struct net_device *, /* synchronously send a command to i82593 */
- char *,
- int,
- int);
-static inline int
- wv_diag(struct net_device *); /* Diagnostique the i82593 */
-static int
- read_ringbuf(struct net_device *, /* Read a receive buffer */
- int,
- char *,
- int);
-static void
- wv_82593_reconfig(struct net_device *); /* Reconfigure the controller */
-/* ------------------- DEBUG & INFO SUBROUTINES ------------------- */
-static void
- wv_init_info(struct net_device *); /* display startup info */
-/* ------------------- IOCTL, STATS & RECONFIG ------------------- */
-static iw_stats *
- wavelan_get_wireless_stats(struct net_device *);
-/* ----------------------- PACKET RECEPTION ----------------------- */
-static int
- wv_start_of_frame(struct net_device *, /* Seek beggining of current frame */
- int, /* end of frame */
- int); /* start of buffer */
-static void
- wv_packet_read(struct net_device *, /* Read a packet from a frame */
- int,
- int),
- wv_packet_rcv(struct net_device *); /* Read all packets waiting */
-/* --------------------- PACKET TRANSMISSION --------------------- */
-static void
- wv_packet_write(struct net_device *, /* Write a packet to the Tx buffer */
- void *,
- short);
-static netdev_tx_t
- wavelan_packet_xmit(struct sk_buff *, /* Send a packet */
- struct net_device *);
-/* -------------------- HARDWARE CONFIGURATION -------------------- */
-static int
- wv_mmc_init(struct net_device *); /* Initialize the modem */
-static int
- wv_ru_stop(struct net_device *), /* Stop the i82593 receiver unit */
- wv_ru_start(struct net_device *); /* Start the i82593 receiver unit */
-static int
- wv_82593_config(struct net_device *); /* Configure the i82593 */
-static int
- wv_pcmcia_reset(struct net_device *); /* Reset the pcmcia interface */
-static int
- wv_hw_config(struct net_device *); /* Reset & configure the whole hardware */
-static void
- wv_hw_reset(struct net_device *); /* Same, + start receiver unit */
-static int
- wv_pcmcia_config(struct pcmcia_device *); /* Configure the pcmcia interface */
-static void
- wv_pcmcia_release(struct pcmcia_device *);/* Remove a device */
-/* ---------------------- INTERRUPT HANDLING ---------------------- */
-static irqreturn_t
- wavelan_interrupt(int, /* Interrupt handler */
- void *);
-static void
- wavelan_watchdog(struct net_device *); /* Transmission watchdog */
-/* ------------------- CONFIGURATION CALLBACKS ------------------- */
-static int
- wavelan_open(struct net_device *), /* Open the device */
- wavelan_close(struct net_device *); /* Close the device */
-static void
- wavelan_detach(struct pcmcia_device *p_dev); /* Destroy a removed device */
-
-/**************************** VARIABLES ****************************/
-
-/*
- * Parameters that can be set with 'insmod'
- * The exact syntax is 'insmod wavelan_cs.o <var>=<value>'
- */
-
-/* Shared memory speed, in ns */
-static int mem_speed = 0;
-
-/* New module interface */
-module_param(mem_speed, int, 0);
-
-#ifdef WAVELAN_ROAMING /* Conditional compile, see above in options */
-/* Enable roaming mode ? No ! Please keep this to 0 */
-static int do_roaming = 0;
-module_param(do_roaming, bool, 0);
-#endif /* WAVELAN_ROAMING */
-
-MODULE_LICENSE("GPL");
-
-#endif /* WAVELAN_CS_P_H */
-
source "drivers/staging/arlan/Kconfig"
+source "drivers/staging/wavelan/Kconfig"
+
endif # !STAGING_EXCLUDE_BUILD
endif # STAGING
obj-$(CONFIG_COWLOOP) += cowloop/
obj-$(CONFIG_STRIP) += strip/
obj-$(CONFIG_ARLAN) += arlan/
+obj-$(CONFIG_WAVELAN) += wavelan/
+obj-$(CONFIG_PCMCIA_WAVELAN) += wavelan/
--- /dev/null
+config WAVELAN
+ tristate "AT&T/Lucent old WaveLAN & DEC RoamAbout DS ISA support"
+ depends on ISA
+ select WIRELESS_EXT
+ select WEXT_SPY
+ select WEXT_PRIV
+ ---help---
+ The Lucent WaveLAN (formerly NCR and AT&T; or DEC RoamAbout DS) is
+ a Radio LAN (wireless Ethernet-like Local Area Network) using the
+ radio frequencies 900 MHz and 2.4 GHz.
+
+ If you want to use an ISA WaveLAN card under Linux, say Y and read
+ the Ethernet-HOWTO, available from
+ <http://www.tldp.org/docs.html#howto>. Some more specific
+ information is contained in
+ <file:Documentation/networking/wavelan.txt> and in the source code
+ <file:drivers/net/wireless/wavelan.p.h>.
+
+ You will also need the wireless tools package available from
+ <http://www.hpl.hp.com/personal/Jean_Tourrilhes/Linux/Tools.html>.
+ Please read the man pages contained therein.
+
+ To compile this driver as a module, choose M here: the module will be
+ called wavelan.
+
+config PCMCIA_WAVELAN
+ tristate "AT&T/Lucent old WaveLAN Pcmcia wireless support"
+ depends on PCMCIA
+ select WIRELESS_EXT
+ select WEXT_SPY
+ select WEXT_PRIV
+ help
+ Say Y here if you intend to attach an AT&T/Lucent Wavelan PCMCIA
+ (PC-card) wireless Ethernet networking card to your computer. This
+ driver is for the non-IEEE-802.11 Wavelan cards.
+
+ To compile this driver as a module, choose M here: the module will be
+ called wavelan_cs. If unsure, say N.
--- /dev/null
+obj-$(CONFIG_WAVELAN) += wavelan.o
+obj-$(CONFIG_PCMCIA_WAVELAN) += wavelan_cs.o
--- /dev/null
+/*
+ * Intel 82586 IEEE 802.3 Ethernet LAN Coprocessor.
+ *
+ * See:
+ * Intel Microcommunications 1991
+ * p1-1 to p1-37
+ * Intel order No. 231658
+ * ISBN 1-55512-119-5
+ *
+ * Unfortunately, the above chapter mentions neither
+ * the System Configuration Pointer (SCP) nor the
+ * Intermediate System Configuration Pointer (ISCP),
+ * so we probably need to look elsewhere for the
+ * whole story -- some recommend the "Intel LAN
+ * Components manual" but I have neither a copy
+ * nor a full reference. But "elsewhere" may be
+ * in the same publication...
+ * The description of a later device, the
+ * "82596CA High-Performance 32-Bit Local Area Network
+ * Coprocessor", (ibid. p1-38 to p1-109) does mention
+ * the SCP and ISCP and also has an i82586 compatibility
+ * mode. Even more useful is "AP-235 An 82586 Data Link
+ * Driver" (ibid. p1-337 to p1-417).
+ */
+
+#define I82586_MEMZ (64 * 1024)
+
+#define I82586_SCP_ADDR (I82586_MEMZ - sizeof(scp_t))
+
+#define ADDR_LEN 6
+#define I82586NULL 0xFFFF
+
+#define toff(t,p,f) (unsigned short)((void *)(&((t *)((void *)0 + (p)))->f) - (void *)0)
+
+/*
+ * System Configuration Pointer (SCP).
+ */
+typedef struct scp_t scp_t;
+struct scp_t
+{
+ unsigned short scp_sysbus; /* 82586 bus width: */
+#define SCP_SY_16BBUS (0x0 << 0) /* 16 bits */
+#define SCP_SY_8BBUS (0x1 << 0) /* 8 bits. */
+ unsigned short scp_junk[2]; /* Unused */
+ unsigned short scp_iscpl; /* lower 16 bits of ISCP_ADDR */
+ unsigned short scp_iscph; /* upper 16 bits of ISCP_ADDR */
+};
+
+/*
+ * Intermediate System Configuration Pointer (ISCP).
+ */
+typedef struct iscp_t iscp_t;
+struct iscp_t
+{
+ unsigned short iscp_busy; /* set by CPU before first CA, */
+ /* cleared by 82586 after read. */
+ unsigned short iscp_offset; /* offset of SCB */
+ unsigned short iscp_basel; /* base of SCB */
+ unsigned short iscp_baseh; /* " */
+};
+
+/*
+ * System Control Block (SCB).
+ * The 82586 writes its status to scb_status and then
+ * raises an interrupt to alert the CPU.
+ * The CPU writes a command to scb_command and
+ * then issues a Channel Attention (CA) to alert the 82586.
+ */
+typedef struct scb_t scb_t;
+struct scb_t
+{
+ unsigned short scb_status; /* Status of 82586 */
+#define SCB_ST_INT (0xF << 12) /* Some of: */
+#define SCB_ST_CX (0x1 << 15) /* Cmd completed */
+#define SCB_ST_FR (0x1 << 14) /* Frame received */
+#define SCB_ST_CNA (0x1 << 13) /* Cmd unit not active */
+#define SCB_ST_RNR (0x1 << 12) /* Rcv unit not ready */
+#define SCB_ST_JUNK0 (0x1 << 11) /* 0 */
+#define SCB_ST_CUS (0x7 << 8) /* Cmd unit status */
+#define SCB_ST_CUS_IDLE (0 << 8) /* Idle */
+#define SCB_ST_CUS_SUSP (1 << 8) /* Suspended */
+#define SCB_ST_CUS_ACTV (2 << 8) /* Active */
+#define SCB_ST_JUNK1 (0x1 << 7) /* 0 */
+#define SCB_ST_RUS (0x7 << 4) /* Rcv unit status */
+#define SCB_ST_RUS_IDLE (0 << 4) /* Idle */
+#define SCB_ST_RUS_SUSP (1 << 4) /* Suspended */
+#define SCB_ST_RUS_NRES (2 << 4) /* No resources */
+#define SCB_ST_RUS_RDY (4 << 4) /* Ready */
+ unsigned short scb_command; /* Next command */
+#define SCB_CMD_ACK_CX (0x1 << 15) /* Ack cmd completion */
+#define SCB_CMD_ACK_FR (0x1 << 14) /* Ack frame received */
+#define SCB_CMD_ACK_CNA (0x1 << 13) /* Ack CU not active */
+#define SCB_CMD_ACK_RNR (0x1 << 12) /* Ack RU not ready */
+#define SCB_CMD_JUNKX (0x1 << 11) /* Unused */
+#define SCB_CMD_CUC (0x7 << 8) /* Command Unit command */
+#define SCB_CMD_CUC_NOP (0 << 8) /* Nop */
+#define SCB_CMD_CUC_GO (1 << 8) /* Start cbl_offset */
+#define SCB_CMD_CUC_RES (2 << 8) /* Resume execution */
+#define SCB_CMD_CUC_SUS (3 << 8) /* Suspend " */
+#define SCB_CMD_CUC_ABT (4 << 8) /* Abort " */
+#define SCB_CMD_RESET (0x1 << 7) /* Reset chip (hardware) */
+#define SCB_CMD_RUC (0x7 << 4) /* Receive Unit command */
+#define SCB_CMD_RUC_NOP (0 << 4) /* Nop */
+#define SCB_CMD_RUC_GO (1 << 4) /* Start rfa_offset */
+#define SCB_CMD_RUC_RES (2 << 4) /* Resume reception */
+#define SCB_CMD_RUC_SUS (3 << 4) /* Suspend " */
+#define SCB_CMD_RUC_ABT (4 << 4) /* Abort " */
+ unsigned short scb_cbl_offset; /* Offset of first command unit */
+ /* Action Command */
+ unsigned short scb_rfa_offset; /* Offset of first Receive */
+ /* Frame Descriptor in the */
+ /* Receive Frame Area */
+ unsigned short scb_crcerrs; /* Properly aligned frames */
+ /* received with a CRC error */
+ unsigned short scb_alnerrs; /* Misaligned frames received */
+ /* with a CRC error */
+ unsigned short scb_rscerrs; /* Frames lost due to no space */
+ unsigned short scb_ovrnerrs; /* Frames lost due to slow bus */
+};
+
+#define scboff(p,f) toff(scb_t, p, f)
+
+/*
+ * The eight Action Commands.
+ */
+typedef enum acmd_e acmd_e;
+enum acmd_e
+{
+ acmd_nop = 0, /* Do nothing */
+ acmd_ia_setup = 1, /* Load an (ethernet) address into the */
+ /* 82586 */
+ acmd_configure = 2, /* Update the 82586 operating parameters */
+ acmd_mc_setup = 3, /* Load a list of (ethernet) multicast */
+ /* addresses into the 82586 */
+ acmd_transmit = 4, /* Transmit a frame */
+ acmd_tdr = 5, /* Perform a Time Domain Reflectometer */
+ /* test on the serial link */
+ acmd_dump = 6, /* Copy 82586 registers to memory */
+ acmd_diagnose = 7, /* Run an internal self test */
+};
+
+/*
+ * Generic Action Command header.
+ */
+typedef struct ach_t ach_t;
+struct ach_t
+{
+ unsigned short ac_status; /* Command status: */
+#define AC_SFLD_C (0x1 << 15) /* Command completed */
+#define AC_SFLD_B (0x1 << 14) /* Busy executing */
+#define AC_SFLD_OK (0x1 << 13) /* Completed error free */
+#define AC_SFLD_A (0x1 << 12) /* Command aborted */
+#define AC_SFLD_FAIL (0x1 << 11) /* Selftest failed */
+#define AC_SFLD_S10 (0x1 << 10) /* No carrier sense */
+ /* during transmission */
+#define AC_SFLD_S9 (0x1 << 9) /* Tx unsuccessful: */
+ /* (stopped) lost CTS */
+#define AC_SFLD_S8 (0x1 << 8) /* Tx unsuccessful: */
+ /* (stopped) slow DMA */
+#define AC_SFLD_S7 (0x1 << 7) /* Tx deferred: */
+ /* other link traffic */
+#define AC_SFLD_S6 (0x1 << 6) /* Heart Beat: collision */
+ /* detect after last tx */
+#define AC_SFLD_S5 (0x1 << 5) /* Tx stopped: */
+ /* excessive collisions */
+#define AC_SFLD_MAXCOL (0xF << 0) /* Collision count */
+ unsigned short ac_command; /* Command specifier: */
+#define AC_CFLD_EL (0x1 << 15) /* End of command list */
+#define AC_CFLD_S (0x1 << 14) /* Suspend on completion */
+#define AC_CFLD_I (0x1 << 13) /* Interrupt on completion */
+#define AC_CFLD_CMD (0x7 << 0) /* acmd_e */
+ unsigned short ac_link; /* Next Action Command */
+};
+
+#define acoff(p,f) toff(ach_t, p, f)
+
+/*
+ * The Nop Action Command.
+ */
+typedef struct ac_nop_t ac_nop_t;
+struct ac_nop_t
+{
+ ach_t nop_h;
+};
+
+/*
+ * The IA-Setup Action Command.
+ */
+typedef struct ac_ias_t ac_ias_t;
+struct ac_ias_t
+{
+ ach_t ias_h;
+ unsigned char ias_addr[ADDR_LEN]; /* The (ethernet) address */
+};
+
+/*
+ * The Configure Action Command.
+ */
+typedef struct ac_cfg_t ac_cfg_t;
+struct ac_cfg_t
+{
+ ach_t cfg_h;
+ unsigned char cfg_byte_cnt; /* Size foll data: 4-12 */
+#define AC_CFG_BYTE_CNT(v) (((v) & 0xF) << 0)
+ unsigned char cfg_fifolim; /* FIFO threshold */
+#define AC_CFG_FIFOLIM(v) (((v) & 0xF) << 0)
+ unsigned char cfg_byte8;
+#define AC_CFG_SAV_BF(v) (((v) & 0x1) << 7) /* Save rxd bad frames */
+#define AC_CFG_SRDY(v) (((v) & 0x1) << 6) /* SRDY/ARDY pin means */
+ /* external sync. */
+ unsigned char cfg_byte9;
+#define AC_CFG_ELPBCK(v) (((v) & 0x1) << 7) /* External loopback */
+#define AC_CFG_ILPBCK(v) (((v) & 0x1) << 6) /* Internal loopback */
+#define AC_CFG_PRELEN(v) (((v) & 0x3) << 4) /* Preamble length */
+#define AC_CFG_PLEN_2 0 /* 2 bytes */
+#define AC_CFG_PLEN_4 1 /* 4 bytes */
+#define AC_CFG_PLEN_8 2 /* 8 bytes */
+#define AC_CFG_PLEN_16 3 /* 16 bytes */
+#define AC_CFG_ALOC(v) (((v) & 0x1) << 3) /* Addr/len data is */
+ /* explicit in buffers */
+#define AC_CFG_ADDRLEN(v) (((v) & 0x7) << 0) /* Bytes per address */
+ unsigned char cfg_byte10;
+#define AC_CFG_BOFMET(v) (((v) & 0x1) << 7) /* Use alternate expo. */
+ /* backoff method */
+#define AC_CFG_ACR(v) (((v) & 0x7) << 4) /* Accelerated cont. res. */
+#define AC_CFG_LINPRIO(v) (((v) & 0x7) << 0) /* Linear priority */
+ unsigned char cfg_ifs; /* Interframe spacing */
+ unsigned char cfg_slotl; /* Slot time (low byte) */
+ unsigned char cfg_byte13;
+#define AC_CFG_RETRYNUM(v) (((v) & 0xF) << 4) /* Max. collision retry */
+#define AC_CFG_SLTTMHI(v) (((v) & 0x7) << 0) /* Slot time (high bits) */
+ unsigned char cfg_byte14;
+#define AC_CFG_FLGPAD(v) (((v) & 0x1) << 7) /* Pad with HDLC flags */
+#define AC_CFG_BTSTF(v) (((v) & 0x1) << 6) /* Do HDLC bitstuffing */
+#define AC_CFG_CRC16(v) (((v) & 0x1) << 5) /* 16 bit CCITT CRC */
+#define AC_CFG_NCRC(v) (((v) & 0x1) << 4) /* Insert no CRC */
+#define AC_CFG_TNCRS(v) (((v) & 0x1) << 3) /* Tx even if no carrier */
+#define AC_CFG_MANCH(v) (((v) & 0x1) << 2) /* Manchester coding */
+#define AC_CFG_BCDIS(v) (((v) & 0x1) << 1) /* Disable broadcast */
+#define AC_CFG_PRM(v) (((v) & 0x1) << 0) /* Promiscuous mode */
+ unsigned char cfg_byte15;
+#define AC_CFG_ICDS(v) (((v) & 0x1) << 7) /* Internal collision */
+ /* detect source */
+#define AC_CFG_CDTF(v) (((v) & 0x7) << 4) /* Collision detect */
+ /* filter in bit times */
+#define AC_CFG_ICSS(v) (((v) & 0x1) << 3) /* Internal carrier */
+ /* sense source */
+#define AC_CFG_CSTF(v) (((v) & 0x7) << 0) /* Carrier sense */
+ /* filter in bit times */
+ unsigned short cfg_min_frm_len;
+#define AC_CFG_MNFRM(v) (((v) & 0xFF) << 0) /* Min. bytes/frame (<= 255) */
+};
+
+/*
+ * The MC-Setup Action Command.
+ */
+typedef struct ac_mcs_t ac_mcs_t;
+struct ac_mcs_t
+{
+ ach_t mcs_h;
+ unsigned short mcs_cnt; /* No. of bytes of MC addresses */
+#if 0
+ unsigned char mcs_data[ADDR_LEN]; /* The first MC address .. */
+ ...
+#endif
+};
+
+#define I82586_MAX_MULTICAST_ADDRESSES 128 /* Hardware hashed filter */
+
+/*
+ * The Transmit Action Command.
+ */
+typedef struct ac_tx_t ac_tx_t;
+struct ac_tx_t
+{
+ ach_t tx_h;
+ unsigned short tx_tbd_offset; /* Address of list of buffers. */
+#if 0
+Linux packets are passed down with the destination MAC address
+and length/type field already prepended to the data,
+so we do not need to insert it. Consistent with this
+we must also set the AC_CFG_ALOC(..) flag during the
+ac_cfg_t action command.
+ unsigned char tx_addr[ADDR_LEN]; /* The frame dest. address */
+ unsigned short tx_length; /* The frame length */
+#endif /* 0 */
+};
+
+/*
+ * The Time Domain Reflectometer Action Command.
+ */
+typedef struct ac_tdr_t ac_tdr_t;
+struct ac_tdr_t
+{
+ ach_t tdr_h;
+ unsigned short tdr_result; /* Result. */
+#define AC_TDR_LNK_OK (0x1 << 15) /* No link problem */
+#define AC_TDR_XCVR_PRB (0x1 << 14) /* Txcvr cable problem */
+#define AC_TDR_ET_OPN (0x1 << 13) /* Open on the link */
+#define AC_TDR_ET_SRT (0x1 << 12) /* Short on the link */
+#define AC_TDR_TIME (0x7FF << 0) /* Distance to problem */
+ /* site in transmit */
+ /* clock cycles */
+};
+
+/*
+ * The Dump Action Command.
+ */
+typedef struct ac_dmp_t ac_dmp_t;
+struct ac_dmp_t
+{
+ ach_t dmp_h;
+ unsigned short dmp_offset; /* Result. */
+};
+
+/*
+ * Size of the result of the dump command.
+ */
+#define DUMPBYTES 170
+
+/*
+ * The Diagnose Action Command.
+ */
+typedef struct ac_dgn_t ac_dgn_t;
+struct ac_dgn_t
+{
+ ach_t dgn_h;
+};
+
+/*
+ * Transmit Buffer Descriptor (TBD).
+ */
+typedef struct tbd_t tbd_t;
+struct tbd_t
+{
+ unsigned short tbd_status; /* Written by the CPU */
+#define TBD_STATUS_EOF (0x1 << 15) /* This TBD is the */
+ /* last for this frame */
+#define TBD_STATUS_ACNT (0x3FFF << 0) /* Actual count of data */
+ /* bytes in this buffer */
+ unsigned short tbd_next_bd_offset; /* Next in list */
+ unsigned short tbd_bufl; /* Buffer address (low) */
+ unsigned short tbd_bufh; /* " " (high) */
+};
+
+/*
+ * Receive Buffer Descriptor (RBD).
+ */
+typedef struct rbd_t rbd_t;
+struct rbd_t
+{
+ unsigned short rbd_status; /* Written by the 82586 */
+#define RBD_STATUS_EOF (0x1 << 15) /* This RBD is the */
+ /* last for this frame */
+#define RBD_STATUS_F (0x1 << 14) /* ACNT field is valid */
+#define RBD_STATUS_ACNT (0x3FFF << 0) /* Actual no. of data */
+ /* bytes in this buffer */
+ unsigned short rbd_next_rbd_offset; /* Next rbd in list */
+ unsigned short rbd_bufl; /* Data pointer (low) */
+ unsigned short rbd_bufh; /* " " (high) */
+ unsigned short rbd_el_size; /* EL+Data buf. size */
+#define RBD_EL (0x1 << 15) /* This BD is the */
+ /* last in the list */
+#define RBD_SIZE (0x3FFF << 0) /* No. of bytes the */
+ /* buffer can hold */
+};
+
+#define rbdoff(p,f) toff(rbd_t, p, f)
+
+/*
+ * Frame Descriptor (FD).
+ */
+typedef struct fd_t fd_t;
+struct fd_t
+{
+ unsigned short fd_status; /* Written by the 82586 */
+#define FD_STATUS_C (0x1 << 15) /* Completed storing frame */
+#define FD_STATUS_B (0x1 << 14) /* FD was consumed by RU */
+#define FD_STATUS_OK (0x1 << 13) /* Frame rxd successfully */
+#define FD_STATUS_S11 (0x1 << 11) /* CRC error */
+#define FD_STATUS_S10 (0x1 << 10) /* Alignment error */
+#define FD_STATUS_S9 (0x1 << 9) /* Ran out of resources */
+#define FD_STATUS_S8 (0x1 << 8) /* Rx DMA overrun */
+#define FD_STATUS_S7 (0x1 << 7) /* Frame too short */
+#define FD_STATUS_S6 (0x1 << 6) /* No EOF flag */
+ unsigned short fd_command; /* Command */
+#define FD_COMMAND_EL (0x1 << 15) /* Last FD in list */
+#define FD_COMMAND_S (0x1 << 14) /* Suspend RU after rx */
+ unsigned short fd_link_offset; /* Next FD */
+ unsigned short fd_rbd_offset; /* First RBD (data) */
+ /* Prepared by CPU, */
+ /* updated by 82586 */
+#if 0
+I think the rest is unused since we
+have set AC_CFG_ALOC(..). However, just
+in case, we leave the space.
+#endif /* 0 */
+ unsigned char fd_dest[ADDR_LEN]; /* Destination address */
+ /* Written by 82586 */
+ unsigned char fd_src[ADDR_LEN]; /* Source address */
+ /* Written by 82586 */
+ unsigned short fd_length; /* Frame length or type */
+ /* Written by 82586 */
+};
+
+#define fdoff(p,f) toff(fd_t, p, f)
+
+/*
+ * This software may only be used and distributed
+ * according to the terms of the GNU General Public License.
+ *
+ * For more details, see wavelan.c.
+ */
--- /dev/null
+/*
+ * Definitions for Intel 82593 CSMA/CD Core LAN Controller
+ * The definitions are taken from the 1992 users manual with Intel
+ * order number 297125-001.
+ *
+ * /usr/src/pc/RCS/i82593.h,v 1.1 1996/07/17 15:23:12 root Exp
+ *
+ * Copyright 1994, Anders Klemets <klemets@it.kth.se>
+ *
+ * HISTORY
+ * i82593.h,v
+ * Revision 1.4 2005/11/4 09:15:00 baroniunas
+ * Modified copyright with permission of author as follows:
+ *
+ * "If I82539.H is the only file with my copyright statement
+ * that is included in the Source Forge project, then you have
+ * my approval to change the copyright statement to be a GPL
+ * license, in the way you proposed on October 10."
+ *
+ * Revision 1.1 1996/07/17 15:23:12 root
+ * Initial revision
+ *
+ * Revision 1.3 1995/04/05 15:13:58 adj
+ * Initial alpha release
+ *
+ * Revision 1.2 1994/06/16 23:57:31 klemets
+ * Mirrored all the fields in the configuration block.
+ *
+ * Revision 1.1 1994/06/02 20:25:34 klemets
+ * Initial revision
+ *
+ *
+ */
+#ifndef _I82593_H
+#define _I82593_H
+
+/* Intel 82593 CSMA/CD Core LAN Controller */
+
+/* Port 0 Command Register definitions */
+
+/* Execution operations */
+#define OP0_NOP 0 /* CHNL = 0 */
+#define OP0_SWIT_TO_PORT_1 0 /* CHNL = 1 */
+#define OP0_IA_SETUP 1
+#define OP0_CONFIGURE 2
+#define OP0_MC_SETUP 3
+#define OP0_TRANSMIT 4
+#define OP0_TDR 5
+#define OP0_DUMP 6
+#define OP0_DIAGNOSE 7
+#define OP0_TRANSMIT_NO_CRC 9
+#define OP0_RETRANSMIT 12
+#define OP0_ABORT 13
+/* Reception operations */
+#define OP0_RCV_ENABLE 8
+#define OP0_RCV_DISABLE 10
+#define OP0_STOP_RCV 11
+/* Status pointer control operations */
+#define OP0_FIX_PTR 15 /* CHNL = 1 */
+#define OP0_RLS_PTR 15 /* CHNL = 0 */
+#define OP0_RESET 14
+
+#define CR0_CHNL (1 << 4) /* 0=Channel 0, 1=Channel 1 */
+#define CR0_STATUS_0 0x00
+#define CR0_STATUS_1 0x20
+#define CR0_STATUS_2 0x40
+#define CR0_STATUS_3 0x60
+#define CR0_INT_ACK (1 << 7) /* 0=No ack, 1=acknowledge */
+
+/* Port 0 Status Register definitions */
+
+#define SR0_NO_RESULT 0 /* dummy */
+#define SR0_EVENT_MASK 0x0f
+#define SR0_IA_SETUP_DONE 1
+#define SR0_CONFIGURE_DONE 2
+#define SR0_MC_SETUP_DONE 3
+#define SR0_TRANSMIT_DONE 4
+#define SR0_TDR_DONE 5
+#define SR0_DUMP_DONE 6
+#define SR0_DIAGNOSE_PASSED 7
+#define SR0_TRANSMIT_NO_CRC_DONE 9
+#define SR0_RETRANSMIT_DONE 12
+#define SR0_EXECUTION_ABORTED 13
+#define SR0_END_OF_FRAME 8
+#define SR0_RECEPTION_ABORTED 10
+#define SR0_DIAGNOSE_FAILED 15
+#define SR0_STOP_REG_HIT 11
+
+#define SR0_CHNL (1 << 4)
+#define SR0_EXECUTION (1 << 5)
+#define SR0_RECEPTION (1 << 6)
+#define SR0_INTERRUPT (1 << 7)
+#define SR0_BOTH_RX_TX (SR0_EXECUTION | SR0_RECEPTION)
+
+#define SR3_EXEC_STATE_MASK 0x03
+#define SR3_EXEC_IDLE 0
+#define SR3_TX_ABORT_IN_PROGRESS 1
+#define SR3_EXEC_ACTIVE 2
+#define SR3_ABORT_IN_PROGRESS 3
+#define SR3_EXEC_CHNL (1 << 2)
+#define SR3_STP_ON_NO_RSRC (1 << 3)
+#define SR3_RCVING_NO_RSRC (1 << 4)
+#define SR3_RCV_STATE_MASK 0x60
+#define SR3_RCV_IDLE 0x00
+#define SR3_RCV_READY 0x20
+#define SR3_RCV_ACTIVE 0x40
+#define SR3_RCV_STOP_IN_PROG 0x60
+#define SR3_RCV_CHNL (1 << 7)
+
+/* Port 1 Command Register definitions */
+
+#define OP1_NOP 0
+#define OP1_SWIT_TO_PORT_0 1
+#define OP1_INT_DISABLE 2
+#define OP1_INT_ENABLE 3
+#define OP1_SET_TS 5
+#define OP1_RST_TS 7
+#define OP1_POWER_DOWN 8
+#define OP1_RESET_RING_MNGMT 11
+#define OP1_RESET 14
+#define OP1_SEL_RST 15
+
+#define CR1_STATUS_4 0x00
+#define CR1_STATUS_5 0x20
+#define CR1_STATUS_6 0x40
+#define CR1_STOP_REG_UPDATE (1 << 7)
+
+/* Receive frame status bits */
+
+#define RX_RCLD (1 << 0)
+#define RX_IA_MATCH (1 << 1)
+#define RX_NO_AD_MATCH (1 << 2)
+#define RX_NO_SFD (1 << 3)
+#define RX_SRT_FRM (1 << 7)
+#define RX_OVRRUN (1 << 8)
+#define RX_ALG_ERR (1 << 10)
+#define RX_CRC_ERR (1 << 11)
+#define RX_LEN_ERR (1 << 12)
+#define RX_RCV_OK (1 << 13)
+#define RX_TYP_LEN (1 << 15)
+
+/* Transmit status bits */
+
+#define TX_NCOL_MASK 0x0f
+#define TX_FRTL (1 << 4)
+#define TX_MAX_COL (1 << 5)
+#define TX_HRT_BEAT (1 << 6)
+#define TX_DEFER (1 << 7)
+#define TX_UND_RUN (1 << 8)
+#define TX_LOST_CTS (1 << 9)
+#define TX_LOST_CRS (1 << 10)
+#define TX_LTCOL (1 << 11)
+#define TX_OK (1 << 13)
+#define TX_COLL (1 << 15)
+
+struct i82593_conf_block {
+ u_char fifo_limit : 4,
+ forgnesi : 1,
+ fifo_32 : 1,
+ d6mod : 1,
+ throttle_enb : 1;
+ u_char throttle : 6,
+ cntrxint : 1,
+ contin : 1;
+ u_char addr_len : 3,
+ acloc : 1,
+ preamb_len : 2,
+ loopback : 2;
+ u_char lin_prio : 3,
+ tbofstop : 1,
+ exp_prio : 3,
+ bof_met : 1;
+ u_char : 4,
+ ifrm_spc : 4;
+ u_char : 5,
+ slottim_low : 3;
+ u_char slottim_hi : 3,
+ : 1,
+ max_retr : 4;
+ u_char prmisc : 1,
+ bc_dis : 1,
+ : 1,
+ crs_1 : 1,
+ nocrc_ins : 1,
+ crc_1632 : 1,
+ : 1,
+ crs_cdt : 1;
+ u_char cs_filter : 3,
+ crs_src : 1,
+ cd_filter : 3,
+ : 1;
+ u_char : 2,
+ min_fr_len : 6;
+ u_char lng_typ : 1,
+ lng_fld : 1,
+ rxcrc_xf : 1,
+ artx : 1,
+ sarec : 1,
+ tx_jabber : 1, /* why is this called max_len in the manual? */
+ hash_1 : 1,
+ lbpkpol : 1;
+ u_char : 6,
+ fdx : 1,
+ : 1;
+ u_char dummy_6 : 6, /* supposed to be ones */
+ mult_ia : 1,
+ dis_bof : 1;
+ u_char dummy_1 : 1, /* supposed to be one */
+ tx_ifs_retrig : 2,
+ mc_all : 1,
+ rcv_mon : 2,
+ frag_acpt : 1,
+ tstrttrs : 1;
+ u_char fretx : 1,
+ runt_eop : 1,
+ hw_sw_pin : 1,
+ big_endn : 1,
+ syncrqs : 1,
+ sttlen : 1,
+ tx_eop : 1,
+ rx_eop : 1;
+ u_char rbuf_size : 5,
+ rcvstop : 1,
+ : 2;
+};
+
+#define I82593_MAX_MULTICAST_ADDRESSES 128 /* Hardware hashed filter */
+
+#endif /* _I82593_H */
--- /dev/null
+/*
+ * WaveLAN ISA driver
+ *
+ * Jean II - HPLB '96
+ *
+ * Reorganisation and extension of the driver.
+ * Original copyright follows (also see the end of this file).
+ * See wavelan.p.h for details.
+ *
+ *
+ *
+ * AT&T GIS (nee NCR) WaveLAN card:
+ * An Ethernet-like radio transceiver
+ * controlled by an Intel 82586 coprocessor.
+ */
+
+#include "wavelan.p.h" /* Private header */
+
+/************************* MISC SUBROUTINES **************************/
+/*
+ * Subroutines which won't fit in one of the following category
+ * (WaveLAN modem or i82586)
+ */
+
+/*------------------------------------------------------------------*/
+/*
+ * Translate irq number to PSA irq parameter
+ */
+static u8 wv_irq_to_psa(int irq)
+{
+ if (irq < 0 || irq >= ARRAY_SIZE(irqvals))
+ return 0;
+
+ return irqvals[irq];
+}
+
+/*------------------------------------------------------------------*/
+/*
+ * Translate PSA irq parameter to irq number
+ */
+static int __init wv_psa_to_irq(u8 irqval)
+{
+ int i;
+
+ for (i = 0; i < ARRAY_SIZE(irqvals); i++)
+ if (irqvals[i] == irqval)
+ return i;
+
+ return -1;
+}
+
+/********************* HOST ADAPTER SUBROUTINES *********************/
+/*
+ * Useful subroutines to manage the WaveLAN ISA interface
+ *
+ * One major difference with the PCMCIA hardware (except the port mapping)
+ * is that we have to keep the state of the Host Control Register
+ * because of the interrupt enable & bus size flags.
+ */
+
+/*------------------------------------------------------------------*/
+/*
+ * Read from card's Host Adaptor Status Register.
+ */
+static inline u16 hasr_read(unsigned long ioaddr)
+{
+ return (inw(HASR(ioaddr)));
+} /* hasr_read */
+
+/*------------------------------------------------------------------*/
+/*
+ * Write to card's Host Adapter Command Register.
+ */
+static inline void hacr_write(unsigned long ioaddr, u16 hacr)
+{
+ outw(hacr, HACR(ioaddr));
+} /* hacr_write */
+
+/*------------------------------------------------------------------*/
+/*
+ * Write to card's Host Adapter Command Register. Include a delay for
+ * those times when it is needed.
+ */
+static void hacr_write_slow(unsigned long ioaddr, u16 hacr)
+{
+ hacr_write(ioaddr, hacr);
+ /* delay might only be needed sometimes */
+ mdelay(1);
+} /* hacr_write_slow */
+
+/*------------------------------------------------------------------*/
+/*
+ * Set the channel attention bit.
+ */
+static inline void set_chan_attn(unsigned long ioaddr, u16 hacr)
+{
+ hacr_write(ioaddr, hacr | HACR_CA);
+} /* set_chan_attn */
+
+/*------------------------------------------------------------------*/
+/*
+ * Reset, and then set host adaptor into default mode.
+ */
+static inline void wv_hacr_reset(unsigned long ioaddr)
+{
+ hacr_write_slow(ioaddr, HACR_RESET);
+ hacr_write(ioaddr, HACR_DEFAULT);
+} /* wv_hacr_reset */
+
+/*------------------------------------------------------------------*/
+/*
+ * Set the I/O transfer over the ISA bus to 8-bit mode
+ */
+static inline void wv_16_off(unsigned long ioaddr, u16 hacr)
+{
+ hacr &= ~HACR_16BITS;
+ hacr_write(ioaddr, hacr);
+} /* wv_16_off */
+
+/*------------------------------------------------------------------*/
+/*
+ * Set the I/O transfer over the ISA bus to 8-bit mode
+ */
+static inline void wv_16_on(unsigned long ioaddr, u16 hacr)
+{
+ hacr |= HACR_16BITS;
+ hacr_write(ioaddr, hacr);
+} /* wv_16_on */
+
+/*------------------------------------------------------------------*/
+/*
+ * Disable interrupts on the WaveLAN hardware.
+ * (called by wv_82586_stop())
+ */
+static inline void wv_ints_off(struct net_device * dev)
+{
+ net_local *lp = netdev_priv(dev);
+ unsigned long ioaddr = dev->base_addr;
+
+ lp->hacr &= ~HACR_INTRON;
+ hacr_write(ioaddr, lp->hacr);
+} /* wv_ints_off */
+
+/*------------------------------------------------------------------*/
+/*
+ * Enable interrupts on the WaveLAN hardware.
+ * (called by wv_hw_reset())
+ */
+static inline void wv_ints_on(struct net_device * dev)
+{
+ net_local *lp = netdev_priv(dev);
+ unsigned long ioaddr = dev->base_addr;
+
+ lp->hacr |= HACR_INTRON;
+ hacr_write(ioaddr, lp->hacr);
+} /* wv_ints_on */
+
+/******************* MODEM MANAGEMENT SUBROUTINES *******************/
+/*
+ * Useful subroutines to manage the modem of the WaveLAN
+ */
+
+/*------------------------------------------------------------------*/
+/*
+ * Read the Parameter Storage Area from the WaveLAN card's memory
+ */
+/*
+ * Read bytes from the PSA.
+ */
+static void psa_read(unsigned long ioaddr, u16 hacr, int o, /* offset in PSA */
+ u8 * b, /* buffer to fill */
+ int n)
+{ /* size to read */
+ wv_16_off(ioaddr, hacr);
+
+ while (n-- > 0) {
+ outw(o, PIOR2(ioaddr));
+ o++;
+ *b++ = inb(PIOP2(ioaddr));
+ }
+
+ wv_16_on(ioaddr, hacr);
+} /* psa_read */
+
+/*------------------------------------------------------------------*/
+/*
+ * Write the Parameter Storage Area to the WaveLAN card's memory.
+ */
+static void psa_write(unsigned long ioaddr, u16 hacr, int o, /* Offset in PSA */
+ u8 * b, /* Buffer in memory */
+ int n)
+{ /* Length of buffer */
+ int count = 0;
+
+ wv_16_off(ioaddr, hacr);
+
+ while (n-- > 0) {
+ outw(o, PIOR2(ioaddr));
+ o++;
+
+ outb(*b, PIOP2(ioaddr));
+ b++;
+
+ /* Wait for the memory to finish its write cycle */
+ count = 0;
+ while ((count++ < 100) &&
+ (hasr_read(ioaddr) & HASR_PSA_BUSY)) mdelay(1);
+ }
+
+ wv_16_on(ioaddr, hacr);
+} /* psa_write */
+
+#ifdef SET_PSA_CRC
+/*------------------------------------------------------------------*/
+/*
+ * Calculate the PSA CRC
+ * Thanks to Valster, Nico <NVALSTER@wcnd.nl.lucent.com> for the code
+ * NOTE: By specifying a length including the CRC position the
+ * returned value should be zero. (i.e. a correct checksum in the PSA)
+ *
+ * The Windows drivers don't use the CRC, but the AP and the PtP tool
+ * depend on it.
+ */
+static u16 psa_crc(u8 * psa, /* The PSA */
+ int size)
+{ /* Number of short for CRC */
+ int byte_cnt; /* Loop on the PSA */
+ u16 crc_bytes = 0; /* Data in the PSA */
+ int bit_cnt; /* Loop on the bits of the short */
+
+ for (byte_cnt = 0; byte_cnt < size; byte_cnt++) {
+ crc_bytes ^= psa[byte_cnt]; /* Its an xor */
+
+ for (bit_cnt = 1; bit_cnt < 9; bit_cnt++) {
+ if (crc_bytes & 0x0001)
+ crc_bytes = (crc_bytes >> 1) ^ 0xA001;
+ else
+ crc_bytes >>= 1;
+ }
+ }
+
+ return crc_bytes;
+} /* psa_crc */
+#endif /* SET_PSA_CRC */
+
+/*------------------------------------------------------------------*/
+/*
+ * update the checksum field in the Wavelan's PSA
+ */
+static void update_psa_checksum(struct net_device * dev, unsigned long ioaddr, u16 hacr)
+{
+#ifdef SET_PSA_CRC
+ psa_t psa;
+ u16 crc;
+
+ /* read the parameter storage area */
+ psa_read(ioaddr, hacr, 0, (unsigned char *) &psa, sizeof(psa));
+
+ /* update the checksum */
+ crc = psa_crc((unsigned char *) &psa,
+ sizeof(psa) - sizeof(psa.psa_crc[0]) -
+ sizeof(psa.psa_crc[1])
+ - sizeof(psa.psa_crc_status));
+
+ psa.psa_crc[0] = crc & 0xFF;
+ psa.psa_crc[1] = (crc & 0xFF00) >> 8;
+
+ /* Write it ! */
+ psa_write(ioaddr, hacr, (char *) &psa.psa_crc - (char *) &psa,
+ (unsigned char *) &psa.psa_crc, 2);
+
+#ifdef DEBUG_IOCTL_INFO
+ printk(KERN_DEBUG "%s: update_psa_checksum(): crc = 0x%02x%02x\n",
+ dev->name, psa.psa_crc[0], psa.psa_crc[1]);
+
+ /* Check again (luxury !) */
+ crc = psa_crc((unsigned char *) &psa,
+ sizeof(psa) - sizeof(psa.psa_crc_status));
+
+ if (crc != 0)
+ printk(KERN_WARNING
+ "%s: update_psa_checksum(): CRC does not agree with PSA data (even after recalculating)\n",
+ dev->name);
+#endif /* DEBUG_IOCTL_INFO */
+#endif /* SET_PSA_CRC */
+} /* update_psa_checksum */
+
+/*------------------------------------------------------------------*/
+/*
+ * Write 1 byte to the MMC.
+ */
+static void mmc_out(unsigned long ioaddr, u16 o, u8 d)
+{
+ int count = 0;
+
+ /* Wait for MMC to go idle */
+ while ((count++ < 100) && (inw(HASR(ioaddr)) & HASR_MMC_BUSY))
+ udelay(10);
+
+ outw((u16) (((u16) d << 8) | (o << 1) | 1), MMCR(ioaddr));
+}
+
+/*------------------------------------------------------------------*/
+/*
+ * Routine to write bytes to the Modem Management Controller.
+ * We start at the end because it is the way it should be!
+ */
+static void mmc_write(unsigned long ioaddr, u8 o, u8 * b, int n)
+{
+ o += n;
+ b += n;
+
+ while (n-- > 0)
+ mmc_out(ioaddr, --o, *(--b));
+} /* mmc_write */
+
+/*------------------------------------------------------------------*/
+/*
+ * Read a byte from the MMC.
+ * Optimised version for 1 byte, avoid using memory.
+ */
+static u8 mmc_in(unsigned long ioaddr, u16 o)
+{
+ int count = 0;
+
+ while ((count++ < 100) && (inw(HASR(ioaddr)) & HASR_MMC_BUSY))
+ udelay(10);
+ outw(o << 1, MMCR(ioaddr));
+
+ while ((count++ < 100) && (inw(HASR(ioaddr)) & HASR_MMC_BUSY))
+ udelay(10);
+ return (u8) (inw(MMCR(ioaddr)) >> 8);
+}
+
+/*------------------------------------------------------------------*/
+/*
+ * Routine to read bytes from the Modem Management Controller.
+ * The implementation is complicated by a lack of address lines,
+ * which prevents decoding of the low-order bit.
+ * (code has just been moved in the above function)
+ * We start at the end because it is the way it should be!
+ */
+static inline void mmc_read(unsigned long ioaddr, u8 o, u8 * b, int n)
+{
+ o += n;
+ b += n;
+
+ while (n-- > 0)
+ *(--b) = mmc_in(ioaddr, --o);
+} /* mmc_read */
+
+/*------------------------------------------------------------------*/
+/*
+ * Get the type of encryption available.
+ */
+static inline int mmc_encr(unsigned long ioaddr)
+{ /* I/O port of the card */
+ int temp;
+
+ temp = mmc_in(ioaddr, mmroff(0, mmr_des_avail));
+ if ((temp != MMR_DES_AVAIL_DES) && (temp != MMR_DES_AVAIL_AES))
+ return 0;
+ else
+ return temp;
+}
+
+/*------------------------------------------------------------------*/
+/*
+ * Wait for the frequency EEPROM to complete a command.
+ * I hope this one will be optimally inlined.
+ */
+static inline void fee_wait(unsigned long ioaddr, /* I/O port of the card */
+ int delay, /* Base delay to wait for */
+ int number)
+{ /* Number of time to wait */
+ int count = 0; /* Wait only a limited time */
+
+ while ((count++ < number) &&
+ (mmc_in(ioaddr, mmroff(0, mmr_fee_status)) &
+ MMR_FEE_STATUS_BUSY)) udelay(delay);
+}
+
+/*------------------------------------------------------------------*/
+/*
+ * Read bytes from the Frequency EEPROM (frequency select cards).
+ */
+static void fee_read(unsigned long ioaddr, /* I/O port of the card */
+ u16 o, /* destination offset */
+ u16 * b, /* data buffer */
+ int n)
+{ /* number of registers */
+ b += n; /* Position at the end of the area */
+
+ /* Write the address */
+ mmc_out(ioaddr, mmwoff(0, mmw_fee_addr), o + n - 1);
+
+ /* Loop on all buffer */
+ while (n-- > 0) {
+ /* Write the read command */
+ mmc_out(ioaddr, mmwoff(0, mmw_fee_ctrl),
+ MMW_FEE_CTRL_READ);
+
+ /* Wait until EEPROM is ready (should be quick). */
+ fee_wait(ioaddr, 10, 100);
+
+ /* Read the value. */
+ *--b = ((mmc_in(ioaddr, mmroff(0, mmr_fee_data_h)) << 8) |
+ mmc_in(ioaddr, mmroff(0, mmr_fee_data_l)));
+ }
+}
+
+
+/*------------------------------------------------------------------*/
+/*
+ * Write bytes from the Frequency EEPROM (frequency select cards).
+ * This is a bit complicated, because the frequency EEPROM has to
+ * be unprotected and the write enabled.
+ * Jean II
+ */
+static void fee_write(unsigned long ioaddr, /* I/O port of the card */
+ u16 o, /* destination offset */
+ u16 * b, /* data buffer */
+ int n)
+{ /* number of registers */
+ b += n; /* Position at the end of the area. */
+
+#ifdef EEPROM_IS_PROTECTED /* disabled */
+#ifdef DOESNT_SEEM_TO_WORK /* disabled */
+ /* Ask to read the protected register */
+ mmc_out(ioaddr, mmwoff(0, mmw_fee_ctrl), MMW_FEE_CTRL_PRREAD);
+
+ fee_wait(ioaddr, 10, 100);
+
+ /* Read the protected register. */
+ printk("Protected 2: %02X-%02X\n",
+ mmc_in(ioaddr, mmroff(0, mmr_fee_data_h)),
+ mmc_in(ioaddr, mmroff(0, mmr_fee_data_l)));
+#endif /* DOESNT_SEEM_TO_WORK */
+
+ /* Enable protected register. */
+ mmc_out(ioaddr, mmwoff(0, mmw_fee_addr), MMW_FEE_ADDR_EN);
+ mmc_out(ioaddr, mmwoff(0, mmw_fee_ctrl), MMW_FEE_CTRL_PREN);
+
+ fee_wait(ioaddr, 10, 100);
+
+ /* Unprotect area. */
+ mmc_out(ioaddr, mmwoff(0, mmw_fee_addr), o + n);
+ mmc_out(ioaddr, mmwoff(0, mmw_fee_ctrl), MMW_FEE_CTRL_PRWRITE);
+#ifdef DOESNT_SEEM_TO_WORK /* disabled */
+ /* or use: */
+ mmc_out(ioaddr, mmwoff(0, mmw_fee_ctrl), MMW_FEE_CTRL_PRCLEAR);
+#endif /* DOESNT_SEEM_TO_WORK */
+
+ fee_wait(ioaddr, 10, 100);
+#endif /* EEPROM_IS_PROTECTED */
+
+ /* Write enable. */
+ mmc_out(ioaddr, mmwoff(0, mmw_fee_addr), MMW_FEE_ADDR_EN);
+ mmc_out(ioaddr, mmwoff(0, mmw_fee_ctrl), MMW_FEE_CTRL_WREN);
+
+ fee_wait(ioaddr, 10, 100);
+
+ /* Write the EEPROM address. */
+ mmc_out(ioaddr, mmwoff(0, mmw_fee_addr), o + n - 1);
+
+ /* Loop on all buffer */
+ while (n-- > 0) {
+ /* Write the value. */
+ mmc_out(ioaddr, mmwoff(0, mmw_fee_data_h), (*--b) >> 8);
+ mmc_out(ioaddr, mmwoff(0, mmw_fee_data_l), *b & 0xFF);
+
+ /* Write the write command. */
+ mmc_out(ioaddr, mmwoff(0, mmw_fee_ctrl),
+ MMW_FEE_CTRL_WRITE);
+
+ /* WaveLAN documentation says to wait at least 10 ms for EEBUSY = 0 */
+ mdelay(10);
+ fee_wait(ioaddr, 10, 100);
+ }
+
+ /* Write disable. */
+ mmc_out(ioaddr, mmwoff(0, mmw_fee_addr), MMW_FEE_ADDR_DS);
+ mmc_out(ioaddr, mmwoff(0, mmw_fee_ctrl), MMW_FEE_CTRL_WDS);
+
+ fee_wait(ioaddr, 10, 100);
+
+#ifdef EEPROM_IS_PROTECTED /* disabled */
+ /* Reprotect EEPROM. */
+ mmc_out(ioaddr, mmwoff(0, mmw_fee_addr), 0x00);
+ mmc_out(ioaddr, mmwoff(0, mmw_fee_ctrl), MMW_FEE_CTRL_PRWRITE);
+
+ fee_wait(ioaddr, 10, 100);
+#endif /* EEPROM_IS_PROTECTED */
+}
+
+/************************ I82586 SUBROUTINES *************************/
+/*
+ * Useful subroutines to manage the Ethernet controller
+ */
+
+/*------------------------------------------------------------------*/
+/*
+ * Read bytes from the on-board RAM.
+ * Why does inlining this function make it fail?
+ */
+static /*inline */ void obram_read(unsigned long ioaddr,
+ u16 o, u8 * b, int n)
+{
+ outw(o, PIOR1(ioaddr));
+ insw(PIOP1(ioaddr), (unsigned short *) b, (n + 1) >> 1);
+}
+
+/*------------------------------------------------------------------*/
+/*
+ * Write bytes to the on-board RAM.
+ */
+static inline void obram_write(unsigned long ioaddr, u16 o, u8 * b, int n)
+{
+ outw(o, PIOR1(ioaddr));
+ outsw(PIOP1(ioaddr), (unsigned short *) b, (n + 1) >> 1);
+}
+
+/*------------------------------------------------------------------*/
+/*
+ * Acknowledge the reading of the status issued by the i82586.
+ */
+static void wv_ack(struct net_device * dev)
+{
+ net_local *lp = netdev_priv(dev);
+ unsigned long ioaddr = dev->base_addr;
+ u16 scb_cs;
+ int i;
+
+ obram_read(ioaddr, scboff(OFFSET_SCB, scb_status),
+ (unsigned char *) &scb_cs, sizeof(scb_cs));
+ scb_cs &= SCB_ST_INT;
+
+ if (scb_cs == 0)
+ return;
+
+ obram_write(ioaddr, scboff(OFFSET_SCB, scb_command),
+ (unsigned char *) &scb_cs, sizeof(scb_cs));
+
+ set_chan_attn(ioaddr, lp->hacr);
+
+ for (i = 1000; i > 0; i--) {
+ obram_read(ioaddr, scboff(OFFSET_SCB, scb_command),
+ (unsigned char *) &scb_cs, sizeof(scb_cs));
+ if (scb_cs == 0)
+ break;
+
+ udelay(10);
+ }
+ udelay(100);
+
+#ifdef DEBUG_CONFIG_ERROR
+ if (i <= 0)
+ printk(KERN_INFO
+ "%s: wv_ack(): board not accepting command.\n",
+ dev->name);
+#endif
+}
+
+/*------------------------------------------------------------------*/
+/*
+ * Set channel attention bit and busy wait until command has
+ * completed, then acknowledge completion of the command.
+ */
+static int wv_synchronous_cmd(struct net_device * dev, const char *str)
+{
+ net_local *lp = netdev_priv(dev);
+ unsigned long ioaddr = dev->base_addr;
+ u16 scb_cmd;
+ ach_t cb;
+ int i;
+
+ scb_cmd = SCB_CMD_CUC & SCB_CMD_CUC_GO;
+ obram_write(ioaddr, scboff(OFFSET_SCB, scb_command),
+ (unsigned char *) &scb_cmd, sizeof(scb_cmd));
+
+ set_chan_attn(ioaddr, lp->hacr);
+
+ for (i = 1000; i > 0; i--) {
+ obram_read(ioaddr, OFFSET_CU, (unsigned char *) &cb,
+ sizeof(cb));
+ if (cb.ac_status & AC_SFLD_C)
+ break;
+
+ udelay(10);
+ }
+ udelay(100);
+
+ if (i <= 0 || !(cb.ac_status & AC_SFLD_OK)) {
+#ifdef DEBUG_CONFIG_ERROR
+ printk(KERN_INFO "%s: %s failed; status = 0x%x\n",
+ dev->name, str, cb.ac_status);
+#endif
+#ifdef DEBUG_I82586_SHOW
+ wv_scb_show(ioaddr);
+#endif
+ return -1;
+ }
+
+ /* Ack the status */
+ wv_ack(dev);
+
+ return 0;
+}
+
+/*------------------------------------------------------------------*/
+/*
+ * Configuration commands completion interrupt.
+ * Check if done, and if OK.
+ */
+static int
+wv_config_complete(struct net_device * dev, unsigned long ioaddr, net_local * lp)
+{
+ unsigned short mcs_addr;
+ unsigned short status;
+ int ret;
+
+#ifdef DEBUG_INTERRUPT_TRACE
+ printk(KERN_DEBUG "%s: ->wv_config_complete()\n", dev->name);
+#endif
+
+ mcs_addr = lp->tx_first_in_use + sizeof(ac_tx_t) + sizeof(ac_nop_t)
+ + sizeof(tbd_t) + sizeof(ac_cfg_t) + sizeof(ac_ias_t);
+
+ /* Read the status of the last command (set mc list). */
+ obram_read(ioaddr, acoff(mcs_addr, ac_status),
+ (unsigned char *) &status, sizeof(status));
+
+ /* If not completed -> exit */
+ if ((status & AC_SFLD_C) == 0)
+ ret = 0; /* Not ready to be scrapped */
+ else {
+#ifdef DEBUG_CONFIG_ERROR
+ unsigned short cfg_addr;
+ unsigned short ias_addr;
+
+ /* Check mc_config command */
+ if ((status & AC_SFLD_OK) != AC_SFLD_OK)
+ printk(KERN_INFO
+ "%s: wv_config_complete(): set_multicast_address failed; status = 0x%x\n",
+ dev->name, status);
+
+ /* check ia-config command */
+ ias_addr = mcs_addr - sizeof(ac_ias_t);
+ obram_read(ioaddr, acoff(ias_addr, ac_status),
+ (unsigned char *) &status, sizeof(status));
+ if ((status & AC_SFLD_OK) != AC_SFLD_OK)
+ printk(KERN_INFO
+ "%s: wv_config_complete(): set_MAC_address failed; status = 0x%x\n",
+ dev->name, status);
+
+ /* Check config command. */
+ cfg_addr = ias_addr - sizeof(ac_cfg_t);
+ obram_read(ioaddr, acoff(cfg_addr, ac_status),
+ (unsigned char *) &status, sizeof(status));
+ if ((status & AC_SFLD_OK) != AC_SFLD_OK)
+ printk(KERN_INFO
+ "%s: wv_config_complete(): configure failed; status = 0x%x\n",
+ dev->name, status);
+#endif /* DEBUG_CONFIG_ERROR */
+
+ ret = 1; /* Ready to be scrapped */
+ }
+
+#ifdef DEBUG_INTERRUPT_TRACE
+ printk(KERN_DEBUG "%s: <-wv_config_complete() - %d\n", dev->name,
+ ret);
+#endif
+ return ret;
+}
+
+/*------------------------------------------------------------------*/
+/*
+ * Command completion interrupt.
+ * Reclaim as many freed tx buffers as we can.
+ * (called in wavelan_interrupt()).
+ * Note : the spinlock is already grabbed for us.
+ */
+static int wv_complete(struct net_device * dev, unsigned long ioaddr, net_local * lp)
+{
+ int nreaped = 0;
+
+#ifdef DEBUG_INTERRUPT_TRACE
+ printk(KERN_DEBUG "%s: ->wv_complete()\n", dev->name);
+#endif
+
+ /* Loop on all the transmit buffers */
+ while (lp->tx_first_in_use != I82586NULL) {
+ unsigned short tx_status;
+
+ /* Read the first transmit buffer */
+ obram_read(ioaddr, acoff(lp->tx_first_in_use, ac_status),
+ (unsigned char *) &tx_status,
+ sizeof(tx_status));
+
+ /* If not completed -> exit */
+ if ((tx_status & AC_SFLD_C) == 0)
+ break;
+
+ /* Hack for reconfiguration */
+ if (tx_status == 0xFFFF)
+ if (!wv_config_complete(dev, ioaddr, lp))
+ break; /* Not completed */
+
+ /* We now remove this buffer */
+ nreaped++;
+ --lp->tx_n_in_use;
+
+/*
+if (lp->tx_n_in_use > 0)
+ printk("%c", "0123456789abcdefghijk"[lp->tx_n_in_use]);
+*/
+
+ /* Was it the last one? */
+ if (lp->tx_n_in_use <= 0)
+ lp->tx_first_in_use = I82586NULL;
+ else {
+ /* Next one in the chain */
+ lp->tx_first_in_use += TXBLOCKZ;
+ if (lp->tx_first_in_use >=
+ OFFSET_CU +
+ NTXBLOCKS * TXBLOCKZ) lp->tx_first_in_use -=
+ NTXBLOCKS * TXBLOCKZ;
+ }
+
+ /* Hack for reconfiguration */
+ if (tx_status == 0xFFFF)
+ continue;
+
+ /* Now, check status of the finished command */
+ if (tx_status & AC_SFLD_OK) {
+ int ncollisions;
+
+ dev->stats.tx_packets++;
+ ncollisions = tx_status & AC_SFLD_MAXCOL;
+ dev->stats.collisions += ncollisions;
+#ifdef DEBUG_TX_INFO
+ if (ncollisions > 0)
+ printk(KERN_DEBUG
+ "%s: wv_complete(): tx completed after %d collisions.\n",
+ dev->name, ncollisions);
+#endif
+ } else {
+ dev->stats.tx_errors++;
+ if (tx_status & AC_SFLD_S10) {
+ dev->stats.tx_carrier_errors++;
+#ifdef DEBUG_TX_FAIL
+ printk(KERN_DEBUG
+ "%s: wv_complete(): tx error: no CS.\n",
+ dev->name);
+#endif
+ }
+ if (tx_status & AC_SFLD_S9) {
+ dev->stats.tx_carrier_errors++;
+#ifdef DEBUG_TX_FAIL
+ printk(KERN_DEBUG
+ "%s: wv_complete(): tx error: lost CTS.\n",
+ dev->name);
+#endif
+ }
+ if (tx_status & AC_SFLD_S8) {
+ dev->stats.tx_fifo_errors++;
+#ifdef DEBUG_TX_FAIL
+ printk(KERN_DEBUG
+ "%s: wv_complete(): tx error: slow DMA.\n",
+ dev->name);
+#endif
+ }
+ if (tx_status & AC_SFLD_S6) {
+ dev->stats.tx_heartbeat_errors++;
+#ifdef DEBUG_TX_FAIL
+ printk(KERN_DEBUG
+ "%s: wv_complete(): tx error: heart beat.\n",
+ dev->name);
+#endif
+ }
+ if (tx_status & AC_SFLD_S5) {
+ dev->stats.tx_aborted_errors++;
+#ifdef DEBUG_TX_FAIL
+ printk(KERN_DEBUG
+ "%s: wv_complete(): tx error: too many collisions.\n",
+ dev->name);
+#endif
+ }
+ }
+
+#ifdef DEBUG_TX_INFO
+ printk(KERN_DEBUG
+ "%s: wv_complete(): tx completed, tx_status 0x%04x\n",
+ dev->name, tx_status);
+#endif
+ }
+
+#ifdef DEBUG_INTERRUPT_INFO
+ if (nreaped > 1)
+ printk(KERN_DEBUG "%s: wv_complete(): reaped %d\n",
+ dev->name, nreaped);
+#endif
+
+ /*
+ * Inform upper layers.
+ */
+ if (lp->tx_n_in_use < NTXBLOCKS - 1) {
+ netif_wake_queue(dev);
+ }
+#ifdef DEBUG_INTERRUPT_TRACE
+ printk(KERN_DEBUG "%s: <-wv_complete()\n", dev->name);
+#endif
+ return nreaped;
+}
+
+/*------------------------------------------------------------------*/
+/*
+ * Reconfigure the i82586, or at least ask for it.
+ * Because wv_82586_config uses a transmission buffer, we must do it
+ * when we are sure that there is one left, so we do it now
+ * or in wavelan_packet_xmit() (I can't find any better place,
+ * wavelan_interrupt is not an option), so you may experience
+ * delays sometimes.
+ */
+static void wv_82586_reconfig(struct net_device * dev)
+{
+ net_local *lp = netdev_priv(dev);
+ unsigned long flags;
+
+ /* Arm the flag, will be cleard in wv_82586_config() */
+ lp->reconfig_82586 = 1;
+
+ /* Check if we can do it now ! */
+ if((netif_running(dev)) && !(netif_queue_stopped(dev))) {
+ spin_lock_irqsave(&lp->spinlock, flags);
+ /* May fail */
+ wv_82586_config(dev);
+ spin_unlock_irqrestore(&lp->spinlock, flags);
+ }
+ else {
+#ifdef DEBUG_CONFIG_INFO
+ printk(KERN_DEBUG
+ "%s: wv_82586_reconfig(): delayed (state = %lX)\n",
+ dev->name, dev->state);
+#endif
+ }
+}
+
+/********************* DEBUG & INFO SUBROUTINES *********************/
+/*
+ * This routine is used in the code to show information for debugging.
+ * Most of the time, it dumps the contents of hardware structures.
+ */
+
+#ifdef DEBUG_PSA_SHOW
+/*------------------------------------------------------------------*/
+/*
+ * Print the formatted contents of the Parameter Storage Area.
+ */
+static void wv_psa_show(psa_t * p)
+{
+ printk(KERN_DEBUG "##### WaveLAN PSA contents: #####\n");
+ printk(KERN_DEBUG "psa_io_base_addr_1: 0x%02X %02X %02X %02X\n",
+ p->psa_io_base_addr_1,
+ p->psa_io_base_addr_2,
+ p->psa_io_base_addr_3, p->psa_io_base_addr_4);
+ printk(KERN_DEBUG "psa_rem_boot_addr_1: 0x%02X %02X %02X\n",
+ p->psa_rem_boot_addr_1,
+ p->psa_rem_boot_addr_2, p->psa_rem_boot_addr_3);
+ printk(KERN_DEBUG "psa_holi_params: 0x%02x, ", p->psa_holi_params);
+ printk("psa_int_req_no: %d\n", p->psa_int_req_no);
+#ifdef DEBUG_SHOW_UNUSED
+ printk(KERN_DEBUG "psa_unused0[]: %pM\n", p->psa_unused0);
+#endif /* DEBUG_SHOW_UNUSED */
+ printk(KERN_DEBUG "psa_univ_mac_addr[]: %pM\n", p->psa_univ_mac_addr);
+ printk(KERN_DEBUG "psa_local_mac_addr[]: %pM\n", p->psa_local_mac_addr);
+ printk(KERN_DEBUG "psa_univ_local_sel: %d, ",
+ p->psa_univ_local_sel);
+ printk("psa_comp_number: %d, ", p->psa_comp_number);
+ printk("psa_thr_pre_set: 0x%02x\n", p->psa_thr_pre_set);
+ printk(KERN_DEBUG "psa_feature_select/decay_prm: 0x%02x, ",
+ p->psa_feature_select);
+ printk("psa_subband/decay_update_prm: %d\n", p->psa_subband);
+ printk(KERN_DEBUG "psa_quality_thr: 0x%02x, ", p->psa_quality_thr);
+ printk("psa_mod_delay: 0x%02x\n", p->psa_mod_delay);
+ printk(KERN_DEBUG "psa_nwid: 0x%02x%02x, ", p->psa_nwid[0],
+ p->psa_nwid[1]);
+ printk("psa_nwid_select: %d\n", p->psa_nwid_select);
+ printk(KERN_DEBUG "psa_encryption_select: %d, ",
+ p->psa_encryption_select);
+ printk
+ ("psa_encryption_key[]: %02x:%02x:%02x:%02x:%02x:%02x:%02x:%02x\n",
+ p->psa_encryption_key[0], p->psa_encryption_key[1],
+ p->psa_encryption_key[2], p->psa_encryption_key[3],
+ p->psa_encryption_key[4], p->psa_encryption_key[5],
+ p->psa_encryption_key[6], p->psa_encryption_key[7]);
+ printk(KERN_DEBUG "psa_databus_width: %d\n", p->psa_databus_width);
+ printk(KERN_DEBUG "psa_call_code/auto_squelch: 0x%02x, ",
+ p->psa_call_code[0]);
+ printk
+ ("psa_call_code[]: %02X:%02X:%02X:%02X:%02X:%02X:%02X:%02X\n",
+ p->psa_call_code[0], p->psa_call_code[1], p->psa_call_code[2],
+ p->psa_call_code[3], p->psa_call_code[4], p->psa_call_code[5],
+ p->psa_call_code[6], p->psa_call_code[7]);
+#ifdef DEBUG_SHOW_UNUSED
+ printk(KERN_DEBUG "psa_reserved[]: %02X:%02X\n",
+ p->psa_reserved[0],
+ p->psa_reserved[1]);
+#endif /* DEBUG_SHOW_UNUSED */
+ printk(KERN_DEBUG "psa_conf_status: %d, ", p->psa_conf_status);
+ printk("psa_crc: 0x%02x%02x, ", p->psa_crc[0], p->psa_crc[1]);
+ printk("psa_crc_status: 0x%02x\n", p->psa_crc_status);
+} /* wv_psa_show */
+#endif /* DEBUG_PSA_SHOW */
+
+#ifdef DEBUG_MMC_SHOW
+/*------------------------------------------------------------------*/
+/*
+ * Print the formatted status of the Modem Management Controller.
+ * This function needs to be completed.
+ */
+static void wv_mmc_show(struct net_device * dev)
+{
+ unsigned long ioaddr = dev->base_addr;
+ net_local *lp = netdev_priv(dev);
+ mmr_t m;
+
+ /* Basic check */
+ if (hasr_read(ioaddr) & HASR_NO_CLK) {
+ printk(KERN_WARNING
+ "%s: wv_mmc_show: modem not connected\n",
+ dev->name);
+ return;
+ }
+
+ /* Read the mmc */
+ mmc_out(ioaddr, mmwoff(0, mmw_freeze), 1);
+ mmc_read(ioaddr, 0, (u8 *) & m, sizeof(m));
+ mmc_out(ioaddr, mmwoff(0, mmw_freeze), 0);
+
+ /* Don't forget to update statistics */
+ lp->wstats.discard.nwid +=
+ (m.mmr_wrong_nwid_h << 8) | m.mmr_wrong_nwid_l;
+
+ printk(KERN_DEBUG "##### WaveLAN modem status registers: #####\n");
+#ifdef DEBUG_SHOW_UNUSED
+ printk(KERN_DEBUG
+ "mmc_unused0[]: %02X:%02X:%02X:%02X:%02X:%02X:%02X:%02X\n",
+ m.mmr_unused0[0], m.mmr_unused0[1], m.mmr_unused0[2],
+ m.mmr_unused0[3], m.mmr_unused0[4], m.mmr_unused0[5],
+ m.mmr_unused0[6], m.mmr_unused0[7]);
+#endif /* DEBUG_SHOW_UNUSED */
+ printk(KERN_DEBUG "Encryption algorithm: %02X - Status: %02X\n",
+ m.mmr_des_avail, m.mmr_des_status);
+#ifdef DEBUG_SHOW_UNUSED
+ printk(KERN_DEBUG "mmc_unused1[]: %02X:%02X:%02X:%02X:%02X\n",
+ m.mmr_unused1[0],
+ m.mmr_unused1[1],
+ m.mmr_unused1[2], m.mmr_unused1[3], m.mmr_unused1[4]);
+#endif /* DEBUG_SHOW_UNUSED */
+ printk(KERN_DEBUG "dce_status: 0x%x [%s%s%s%s]\n",
+ m.mmr_dce_status,
+ (m.
+ mmr_dce_status & MMR_DCE_STATUS_RX_BUSY) ?
+ "energy detected," : "",
+ (m.
+ mmr_dce_status & MMR_DCE_STATUS_LOOPT_IND) ?
+ "loop test indicated," : "",
+ (m.
+ mmr_dce_status & MMR_DCE_STATUS_TX_BUSY) ?
+ "transmitter on," : "",
+ (m.
+ mmr_dce_status & MMR_DCE_STATUS_JBR_EXPIRED) ?
+ "jabber timer expired," : "");
+ printk(KERN_DEBUG "Dsp ID: %02X\n", m.mmr_dsp_id);
+#ifdef DEBUG_SHOW_UNUSED
+ printk(KERN_DEBUG "mmc_unused2[]: %02X:%02X\n",
+ m.mmr_unused2[0], m.mmr_unused2[1]);
+#endif /* DEBUG_SHOW_UNUSED */
+ printk(KERN_DEBUG "# correct_nwid: %d, # wrong_nwid: %d\n",
+ (m.mmr_correct_nwid_h << 8) | m.mmr_correct_nwid_l,
+ (m.mmr_wrong_nwid_h << 8) | m.mmr_wrong_nwid_l);
+ printk(KERN_DEBUG "thr_pre_set: 0x%x [current signal %s]\n",
+ m.mmr_thr_pre_set & MMR_THR_PRE_SET,
+ (m.
+ mmr_thr_pre_set & MMR_THR_PRE_SET_CUR) ? "above" :
+ "below");
+ printk(KERN_DEBUG "signal_lvl: %d [%s], ",
+ m.mmr_signal_lvl & MMR_SIGNAL_LVL,
+ (m.
+ mmr_signal_lvl & MMR_SIGNAL_LVL_VALID) ? "new msg" :
+ "no new msg");
+ printk("silence_lvl: %d [%s], ",
+ m.mmr_silence_lvl & MMR_SILENCE_LVL,
+ (m.
+ mmr_silence_lvl & MMR_SILENCE_LVL_VALID) ? "update done" :
+ "no new update");
+ printk("sgnl_qual: 0x%x [%s]\n", m.mmr_sgnl_qual & MMR_SGNL_QUAL,
+ (m.
+ mmr_sgnl_qual & MMR_SGNL_QUAL_ANT) ? "Antenna 1" :
+ "Antenna 0");
+#ifdef DEBUG_SHOW_UNUSED
+ printk(KERN_DEBUG "netw_id_l: %x\n", m.mmr_netw_id_l);
+#endif /* DEBUG_SHOW_UNUSED */
+} /* wv_mmc_show */
+#endif /* DEBUG_MMC_SHOW */
+
+#ifdef DEBUG_I82586_SHOW
+/*------------------------------------------------------------------*/
+/*
+ * Print the last block of the i82586 memory.
+ */
+static void wv_scb_show(unsigned long ioaddr)
+{
+ scb_t scb;
+
+ obram_read(ioaddr, OFFSET_SCB, (unsigned char *) &scb,
+ sizeof(scb));
+
+ printk(KERN_DEBUG "##### WaveLAN system control block: #####\n");
+
+ printk(KERN_DEBUG "status: ");
+ printk("stat 0x%x[%s%s%s%s] ",
+ (scb.
+ scb_status & (SCB_ST_CX | SCB_ST_FR | SCB_ST_CNA |
+ SCB_ST_RNR)) >> 12,
+ (scb.
+ scb_status & SCB_ST_CX) ? "command completion interrupt," :
+ "", (scb.scb_status & SCB_ST_FR) ? "frame received," : "",
+ (scb.
+ scb_status & SCB_ST_CNA) ? "command unit not active," : "",
+ (scb.
+ scb_status & SCB_ST_RNR) ? "receiving unit not ready," :
+ "");
+ printk("cus 0x%x[%s%s%s] ", (scb.scb_status & SCB_ST_CUS) >> 8,
+ ((scb.scb_status & SCB_ST_CUS) ==
+ SCB_ST_CUS_IDLE) ? "idle" : "",
+ ((scb.scb_status & SCB_ST_CUS) ==
+ SCB_ST_CUS_SUSP) ? "suspended" : "",
+ ((scb.scb_status & SCB_ST_CUS) ==
+ SCB_ST_CUS_ACTV) ? "active" : "");
+ printk("rus 0x%x[%s%s%s%s]\n", (scb.scb_status & SCB_ST_RUS) >> 4,
+ ((scb.scb_status & SCB_ST_RUS) ==
+ SCB_ST_RUS_IDLE) ? "idle" : "",
+ ((scb.scb_status & SCB_ST_RUS) ==
+ SCB_ST_RUS_SUSP) ? "suspended" : "",
+ ((scb.scb_status & SCB_ST_RUS) ==
+ SCB_ST_RUS_NRES) ? "no resources" : "",
+ ((scb.scb_status & SCB_ST_RUS) ==
+ SCB_ST_RUS_RDY) ? "ready" : "");
+
+ printk(KERN_DEBUG "command: ");
+ printk("ack 0x%x[%s%s%s%s] ",
+ (scb.
+ scb_command & (SCB_CMD_ACK_CX | SCB_CMD_ACK_FR |
+ SCB_CMD_ACK_CNA | SCB_CMD_ACK_RNR)) >> 12,
+ (scb.
+ scb_command & SCB_CMD_ACK_CX) ? "ack cmd completion," : "",
+ (scb.
+ scb_command & SCB_CMD_ACK_FR) ? "ack frame received," : "",
+ (scb.
+ scb_command & SCB_CMD_ACK_CNA) ? "ack CU not active," : "",
+ (scb.
+ scb_command & SCB_CMD_ACK_RNR) ? "ack RU not ready," : "");
+ printk("cuc 0x%x[%s%s%s%s%s] ",
+ (scb.scb_command & SCB_CMD_CUC) >> 8,
+ ((scb.scb_command & SCB_CMD_CUC) ==
+ SCB_CMD_CUC_NOP) ? "nop" : "",
+ ((scb.scb_command & SCB_CMD_CUC) ==
+ SCB_CMD_CUC_GO) ? "start cbl_offset" : "",
+ ((scb.scb_command & SCB_CMD_CUC) ==
+ SCB_CMD_CUC_RES) ? "resume execution" : "",
+ ((scb.scb_command & SCB_CMD_CUC) ==
+ SCB_CMD_CUC_SUS) ? "suspend execution" : "",
+ ((scb.scb_command & SCB_CMD_CUC) ==
+ SCB_CMD_CUC_ABT) ? "abort execution" : "");
+ printk("ruc 0x%x[%s%s%s%s%s]\n",
+ (scb.scb_command & SCB_CMD_RUC) >> 4,
+ ((scb.scb_command & SCB_CMD_RUC) ==
+ SCB_CMD_RUC_NOP) ? "nop" : "",
+ ((scb.scb_command & SCB_CMD_RUC) ==
+ SCB_CMD_RUC_GO) ? "start rfa_offset" : "",
+ ((scb.scb_command & SCB_CMD_RUC) ==
+ SCB_CMD_RUC_RES) ? "resume reception" : "",
+ ((scb.scb_command & SCB_CMD_RUC) ==
+ SCB_CMD_RUC_SUS) ? "suspend reception" : "",
+ ((scb.scb_command & SCB_CMD_RUC) ==
+ SCB_CMD_RUC_ABT) ? "abort reception" : "");
+
+ printk(KERN_DEBUG "cbl_offset 0x%x ", scb.scb_cbl_offset);
+ printk("rfa_offset 0x%x\n", scb.scb_rfa_offset);
+
+ printk(KERN_DEBUG "crcerrs %d ", scb.scb_crcerrs);
+ printk("alnerrs %d ", scb.scb_alnerrs);
+ printk("rscerrs %d ", scb.scb_rscerrs);
+ printk("ovrnerrs %d\n", scb.scb_ovrnerrs);
+}
+
+/*------------------------------------------------------------------*/
+/*
+ * Print the formatted status of the i82586's receive unit.
+ */
+static void wv_ru_show(struct net_device * dev)
+{
+ printk(KERN_DEBUG
+ "##### WaveLAN i82586 receiver unit status: #####\n");
+ printk(KERN_DEBUG "ru:");
+ /*
+ * Not implemented yet
+ */
+ printk("\n");
+} /* wv_ru_show */
+
+/*------------------------------------------------------------------*/
+/*
+ * Display info about one control block of the i82586 memory.
+ */
+static void wv_cu_show_one(struct net_device * dev, net_local * lp, int i, u16 p)
+{
+ unsigned long ioaddr;
+ ac_tx_t actx;
+
+ ioaddr = dev->base_addr;
+
+ printk("%d: 0x%x:", i, p);
+
+ obram_read(ioaddr, p, (unsigned char *) &actx, sizeof(actx));
+ printk(" status=0x%x,", actx.tx_h.ac_status);
+ printk(" command=0x%x,", actx.tx_h.ac_command);
+
+ /*
+ {
+ tbd_t tbd;
+
+ obram_read(ioaddr, actx.tx_tbd_offset, (unsigned char *)&tbd, sizeof(tbd));
+ printk(" tbd_status=0x%x,", tbd.tbd_status);
+ }
+ */
+
+ printk("|");
+}
+
+/*------------------------------------------------------------------*/
+/*
+ * Print status of the command unit of the i82586.
+ */
+static void wv_cu_show(struct net_device * dev)
+{
+ net_local *lp = netdev_priv(dev);
+ unsigned int i;
+ u16 p;
+
+ printk(KERN_DEBUG
+ "##### WaveLAN i82586 command unit status: #####\n");
+
+ printk(KERN_DEBUG);
+ for (i = 0, p = lp->tx_first_in_use; i < NTXBLOCKS; i++) {
+ wv_cu_show_one(dev, lp, i, p);
+
+ p += TXBLOCKZ;
+ if (p >= OFFSET_CU + NTXBLOCKS * TXBLOCKZ)
+ p -= NTXBLOCKS * TXBLOCKZ;
+ }
+ printk("\n");
+}
+#endif /* DEBUG_I82586_SHOW */
+
+#ifdef DEBUG_DEVICE_SHOW
+/*------------------------------------------------------------------*/
+/*
+ * Print the formatted status of the WaveLAN PCMCIA device driver.
+ */
+static void wv_dev_show(struct net_device * dev)
+{
+ printk(KERN_DEBUG "dev:");
+ printk(" state=%lX,", dev->state);
+ printk(" trans_start=%ld,", dev->trans_start);
+ printk(" flags=0x%x,", dev->flags);
+ printk("\n");
+} /* wv_dev_show */
+
+/*------------------------------------------------------------------*/
+/*
+ * Print the formatted status of the WaveLAN PCMCIA device driver's
+ * private information.
+ */
+static void wv_local_show(struct net_device * dev)
+{
+ net_local *lp;
+
+ lp = netdev_priv(dev);
+
+ printk(KERN_DEBUG "local:");
+ printk(" tx_n_in_use=%d,", lp->tx_n_in_use);
+ printk(" hacr=0x%x,", lp->hacr);
+ printk(" rx_head=0x%x,", lp->rx_head);
+ printk(" rx_last=0x%x,", lp->rx_last);
+ printk(" tx_first_free=0x%x,", lp->tx_first_free);
+ printk(" tx_first_in_use=0x%x,", lp->tx_first_in_use);
+ printk("\n");
+} /* wv_local_show */
+#endif /* DEBUG_DEVICE_SHOW */
+
+#if defined(DEBUG_RX_INFO) || defined(DEBUG_TX_INFO)
+/*------------------------------------------------------------------*/
+/*
+ * Dump packet header (and content if necessary) on the screen
+ */
+static inline void wv_packet_info(u8 * p, /* Packet to dump */
+ int length, /* Length of the packet */
+ char *msg1, /* Name of the device */
+ char *msg2)
+{ /* Name of the function */
+ int i;
+ int maxi;
+
+ printk(KERN_DEBUG
+ "%s: %s(): dest %pM, length %d\n",
+ msg1, msg2, p, length);
+ printk(KERN_DEBUG
+ "%s: %s(): src %pM, type 0x%02X%02X\n",
+ msg1, msg2, &p[6], p[12], p[13]);
+
+#ifdef DEBUG_PACKET_DUMP
+
+ printk(KERN_DEBUG "data=\"");
+
+ if ((maxi = length) > DEBUG_PACKET_DUMP)
+ maxi = DEBUG_PACKET_DUMP;
+ for (i = 14; i < maxi; i++)
+ if (p[i] >= ' ' && p[i] <= '~')
+ printk(" %c", p[i]);
+ else
+ printk("%02X", p[i]);
+ if (maxi < length)
+ printk("..");
+ printk("\"\n");
+ printk(KERN_DEBUG "\n");
+#endif /* DEBUG_PACKET_DUMP */
+}
+#endif /* defined(DEBUG_RX_INFO) || defined(DEBUG_TX_INFO) */
+
+/*------------------------------------------------------------------*/
+/*
+ * This is the information which is displayed by the driver at startup.
+ * There are lots of flags for configuring it to your liking.
+ */
+static void wv_init_info(struct net_device * dev)
+{
+ short ioaddr = dev->base_addr;
+ net_local *lp = netdev_priv(dev);
+ psa_t psa;
+
+ /* Read the parameter storage area */
+ psa_read(ioaddr, lp->hacr, 0, (unsigned char *) &psa, sizeof(psa));
+
+#ifdef DEBUG_PSA_SHOW
+ wv_psa_show(&psa);
+#endif
+#ifdef DEBUG_MMC_SHOW
+ wv_mmc_show(dev);
+#endif
+#ifdef DEBUG_I82586_SHOW
+ wv_cu_show(dev);
+#endif
+
+#ifdef DEBUG_BASIC_SHOW
+ /* Now, let's go for the basic stuff. */
+ printk(KERN_NOTICE "%s: WaveLAN at %#x, %pM, IRQ %d",
+ dev->name, ioaddr, dev->dev_addr, dev->irq);
+
+ /* Print current network ID. */
+ if (psa.psa_nwid_select)
+ printk(", nwid 0x%02X-%02X", psa.psa_nwid[0],
+ psa.psa_nwid[1]);
+ else
+ printk(", nwid off");
+
+ /* If 2.00 card */
+ if (!(mmc_in(ioaddr, mmroff(0, mmr_fee_status)) &
+ (MMR_FEE_STATUS_DWLD | MMR_FEE_STATUS_BUSY))) {
+ unsigned short freq;
+
+ /* Ask the EEPROM to read the frequency from the first area. */
+ fee_read(ioaddr, 0x00, &freq, 1);
+
+ /* Print frequency */
+ printk(", 2.00, %ld", (freq >> 6) + 2400L);
+
+ /* Hack! */
+ if (freq & 0x20)
+ printk(".5");
+ } else {
+ printk(", PC");
+ switch (psa.psa_comp_number) {
+ case PSA_COMP_PC_AT_915:
+ case PSA_COMP_PC_AT_2400:
+ printk("-AT");
+ break;
+ case PSA_COMP_PC_MC_915:
+ case PSA_COMP_PC_MC_2400:
+ printk("-MC");
+ break;
+ case PSA_COMP_PCMCIA_915:
+ printk("MCIA");
+ break;
+ default:
+ printk("?");
+ }
+ printk(", ");
+ switch (psa.psa_subband) {
+ case PSA_SUBBAND_915:
+ printk("915");
+ break;
+ case PSA_SUBBAND_2425:
+ printk("2425");
+ break;
+ case PSA_SUBBAND_2460:
+ printk("2460");
+ break;
+ case PSA_SUBBAND_2484:
+ printk("2484");
+ break;
+ case PSA_SUBBAND_2430_5:
+ printk("2430.5");
+ break;
+ default:
+ printk("?");
+ }
+ }
+
+ printk(" MHz\n");
+#endif /* DEBUG_BASIC_SHOW */
+
+#ifdef DEBUG_VERSION_SHOW
+ /* Print version information */
+ printk(KERN_NOTICE "%s", version);
+#endif
+} /* wv_init_info */
+
+/********************* IOCTL, STATS & RECONFIG *********************/
+/*
+ * We found here routines that are called by Linux on different
+ * occasions after the configuration and not for transmitting data
+ * These may be called when the user use ifconfig, /proc/net/dev
+ * or wireless extensions
+ */
+
+
+/*------------------------------------------------------------------*/
+/*
+ * Set or clear the multicast filter for this adaptor.
+ * num_addrs == -1 Promiscuous mode, receive all packets
+ * num_addrs == 0 Normal mode, clear multicast list
+ * num_addrs > 0 Multicast mode, receive normal and MC packets,
+ * and do best-effort filtering.
+ */
+static void wavelan_set_multicast_list(struct net_device * dev)
+{
+ net_local *lp = netdev_priv(dev);
+
+#ifdef DEBUG_IOCTL_TRACE
+ printk(KERN_DEBUG "%s: ->wavelan_set_multicast_list()\n",
+ dev->name);
+#endif
+
+#ifdef DEBUG_IOCTL_INFO
+ printk(KERN_DEBUG
+ "%s: wavelan_set_multicast_list(): setting Rx mode %02X to %d addresses.\n",
+ dev->name, dev->flags, dev->mc_count);
+#endif
+
+ /* Are we asking for promiscuous mode,
+ * or all multicast addresses (we don't have that!)
+ * or too many multicast addresses for the hardware filter? */
+ if ((dev->flags & IFF_PROMISC) ||
+ (dev->flags & IFF_ALLMULTI) ||
+ (dev->mc_count > I82586_MAX_MULTICAST_ADDRESSES)) {
+ /*
+ * Enable promiscuous mode: receive all packets.
+ */
+ if (!lp->promiscuous) {
+ lp->promiscuous = 1;
+ lp->mc_count = 0;
+
+ wv_82586_reconfig(dev);
+ }
+ } else
+ /* Are there multicast addresses to send? */
+ if (dev->mc_list != (struct dev_mc_list *) NULL) {
+ /*
+ * Disable promiscuous mode, but receive all packets
+ * in multicast list
+ */
+#ifdef MULTICAST_AVOID
+ if (lp->promiscuous || (dev->mc_count != lp->mc_count))
+#endif
+ {
+ lp->promiscuous = 0;
+ lp->mc_count = dev->mc_count;
+
+ wv_82586_reconfig(dev);
+ }
+ } else {
+ /*
+ * Switch to normal mode: disable promiscuous mode and
+ * clear the multicast list.
+ */
+ if (lp->promiscuous || lp->mc_count == 0) {
+ lp->promiscuous = 0;
+ lp->mc_count = 0;
+
+ wv_82586_reconfig(dev);
+ }
+ }
+#ifdef DEBUG_IOCTL_TRACE
+ printk(KERN_DEBUG "%s: <-wavelan_set_multicast_list()\n",
+ dev->name);
+#endif
+}
+
+/*------------------------------------------------------------------*/
+/*
+ * This function doesn't exist.
+ * (Note : it was a nice way to test the reconfigure stuff...)
+ */
+#ifdef SET_MAC_ADDRESS
+static int wavelan_set_mac_address(struct net_device * dev, void *addr)
+{
+ struct sockaddr *mac = addr;
+
+ /* Copy the address. */
+ memcpy(dev->dev_addr, mac->sa_data, WAVELAN_ADDR_SIZE);
+
+ /* Reconfigure the beast. */
+ wv_82586_reconfig(dev);
+
+ return 0;
+}
+#endif /* SET_MAC_ADDRESS */
+
+
+/*------------------------------------------------------------------*/
+/*
+ * Frequency setting (for hardware capable of it)
+ * It's a bit complicated and you don't really want to look into it.
+ * (called in wavelan_ioctl)
+ */
+static int wv_set_frequency(unsigned long ioaddr, /* I/O port of the card */
+ iw_freq * frequency)
+{
+ const int BAND_NUM = 10; /* Number of bands */
+ long freq = 0L; /* offset to 2.4 GHz in .5 MHz */
+#ifdef DEBUG_IOCTL_INFO
+ int i;
+#endif
+
+ /* Setting by frequency */
+ /* Theoretically, you may set any frequency between
+ * the two limits with a 0.5 MHz precision. In practice,
+ * I don't want you to have trouble with local regulations.
+ */
+ if ((frequency->e == 1) &&
+ (frequency->m >= (int) 2.412e8)
+ && (frequency->m <= (int) 2.487e8)) {
+ freq = ((frequency->m / 10000) - 24000L) / 5;
+ }
+
+ /* Setting by channel (same as wfreqsel) */
+ /* Warning: each channel is 22 MHz wide, so some of the channels
+ * will interfere. */
+ if ((frequency->e == 0) && (frequency->m < BAND_NUM)) {
+ /* Get frequency offset. */
+ freq = channel_bands[frequency->m] >> 1;
+ }
+
+ /* Verify that the frequency is allowed. */
+ if (freq != 0L) {
+ u16 table[10]; /* Authorized frequency table */
+
+ /* Read the frequency table. */
+ fee_read(ioaddr, 0x71, table, 10);
+
+#ifdef DEBUG_IOCTL_INFO
+ printk(KERN_DEBUG "Frequency table: ");
+ for (i = 0; i < 10; i++) {
+ printk(" %04X", table[i]);
+ }
+ printk("\n");
+#endif
+
+ /* Look in the table to see whether the frequency is allowed. */
+ if (!(table[9 - ((freq - 24) / 16)] &
+ (1 << ((freq - 24) % 16)))) return -EINVAL; /* not allowed */
+ } else
+ return -EINVAL;
+
+ /* if we get a usable frequency */
+ if (freq != 0L) {
+ unsigned short area[16];
+ unsigned short dac[2];
+ unsigned short area_verify[16];
+ unsigned short dac_verify[2];
+ /* Corresponding gain (in the power adjust value table)
+ * See AT&T WaveLAN Data Manual, REF 407-024689/E, page 3-8
+ * and WCIN062D.DOC, page 6.2.9. */
+ unsigned short power_limit[] = { 40, 80, 120, 160, 0 };
+ int power_band = 0; /* Selected band */
+ unsigned short power_adjust; /* Correct value */
+
+ /* Search for the gain. */
+ power_band = 0;
+ while ((freq > power_limit[power_band]) &&
+ (power_limit[++power_band] != 0));
+
+ /* Read the first area. */
+ fee_read(ioaddr, 0x00, area, 16);
+
+ /* Read the DAC. */
+ fee_read(ioaddr, 0x60, dac, 2);
+
+ /* Read the new power adjust value. */
+ fee_read(ioaddr, 0x6B - (power_band >> 1), &power_adjust,
+ 1);
+ if (power_band & 0x1)
+ power_adjust >>= 8;
+ else
+ power_adjust &= 0xFF;
+
+#ifdef DEBUG_IOCTL_INFO
+ printk(KERN_DEBUG "WaveLAN EEPROM Area 1: ");
+ for (i = 0; i < 16; i++) {
+ printk(" %04X", area[i]);
+ }
+ printk("\n");
+
+ printk(KERN_DEBUG "WaveLAN EEPROM DAC: %04X %04X\n",
+ dac[0], dac[1]);
+#endif
+
+ /* Frequency offset (for info only) */
+ area[0] = ((freq << 5) & 0xFFE0) | (area[0] & 0x1F);
+
+ /* Receiver Principle main divider coefficient */
+ area[3] = (freq >> 1) + 2400L - 352L;
+ area[2] = ((freq & 0x1) << 4) | (area[2] & 0xFFEF);
+
+ /* Transmitter Main divider coefficient */
+ area[13] = (freq >> 1) + 2400L;
+ area[12] = ((freq & 0x1) << 4) | (area[2] & 0xFFEF);
+
+ /* Other parts of the area are flags, bit streams or unused. */
+
+ /* Set the value in the DAC. */
+ dac[1] = ((power_adjust >> 1) & 0x7F) | (dac[1] & 0xFF80);
+ dac[0] = ((power_adjust & 0x1) << 4) | (dac[0] & 0xFFEF);
+
+ /* Write the first area. */
+ fee_write(ioaddr, 0x00, area, 16);
+
+ /* Write the DAC. */
+ fee_write(ioaddr, 0x60, dac, 2);
+
+ /* We now should verify here that the writing of the EEPROM went OK. */
+
+ /* Reread the first area. */
+ fee_read(ioaddr, 0x00, area_verify, 16);
+
+ /* Reread the DAC. */
+ fee_read(ioaddr, 0x60, dac_verify, 2);
+
+ /* Compare. */
+ if (memcmp(area, area_verify, 16 * 2) ||
+ memcmp(dac, dac_verify, 2 * 2)) {
+#ifdef DEBUG_IOCTL_ERROR
+ printk(KERN_INFO
+ "WaveLAN: wv_set_frequency: unable to write new frequency to EEPROM(?).\n");
+#endif
+ return -EOPNOTSUPP;
+ }
+
+ /* We must download the frequency parameters to the
+ * synthesizers (from the EEPROM - area 1)
+ * Note: as the EEPROM is automatically decremented, we set the end
+ * if the area... */
+ mmc_out(ioaddr, mmwoff(0, mmw_fee_addr), 0x0F);
+ mmc_out(ioaddr, mmwoff(0, mmw_fee_ctrl),
+ MMW_FEE_CTRL_READ | MMW_FEE_CTRL_DWLD);
+
+ /* Wait until the download is finished. */
+ fee_wait(ioaddr, 100, 100);
+
+ /* We must now download the power adjust value (gain) to
+ * the synthesizers (from the EEPROM - area 7 - DAC). */
+ mmc_out(ioaddr, mmwoff(0, mmw_fee_addr), 0x61);
+ mmc_out(ioaddr, mmwoff(0, mmw_fee_ctrl),
+ MMW_FEE_CTRL_READ | MMW_FEE_CTRL_DWLD);
+
+ /* Wait for the download to finish. */
+ fee_wait(ioaddr, 100, 100);
+
+#ifdef DEBUG_IOCTL_INFO
+ /* Verification of what we have done */
+
+ printk(KERN_DEBUG "WaveLAN EEPROM Area 1: ");
+ for (i = 0; i < 16; i++) {
+ printk(" %04X", area_verify[i]);
+ }
+ printk("\n");
+
+ printk(KERN_DEBUG "WaveLAN EEPROM DAC: %04X %04X\n",
+ dac_verify[0], dac_verify[1]);
+#endif
+
+ return 0;
+ } else
+ return -EINVAL; /* Bah, never get there... */
+}
+
+/*------------------------------------------------------------------*/
+/*
+ * Give the list of available frequencies.
+ */
+static int wv_frequency_list(unsigned long ioaddr, /* I/O port of the card */
+ iw_freq * list, /* List of frequencies to fill */
+ int max)
+{ /* Maximum number of frequencies */
+ u16 table[10]; /* Authorized frequency table */
+ long freq = 0L; /* offset to 2.4 GHz in .5 MHz + 12 MHz */
+ int i; /* index in the table */
+ int c = 0; /* Channel number */
+
+ /* Read the frequency table. */
+ fee_read(ioaddr, 0x71 /* frequency table */ , table, 10);
+
+ /* Check all frequencies. */
+ i = 0;
+ for (freq = 0; freq < 150; freq++)
+ /* Look in the table if the frequency is allowed */
+ if (table[9 - (freq / 16)] & (1 << (freq % 16))) {
+ /* Compute approximate channel number */
+ while ((c < ARRAY_SIZE(channel_bands)) &&
+ (((channel_bands[c] >> 1) - 24) < freq))
+ c++;
+ list[i].i = c; /* Set the list index */
+
+ /* put in the list */
+ list[i].m = (((freq + 24) * 5) + 24000L) * 10000;
+ list[i++].e = 1;
+
+ /* Check number. */
+ if (i >= max)
+ return (i);
+ }
+
+ return (i);
+}
+
+#ifdef IW_WIRELESS_SPY
+/*------------------------------------------------------------------*/
+/*
+ * Gather wireless spy statistics: for each packet, compare the source
+ * address with our list, and if they match, get the statistics.
+ * Sorry, but this function really needs the wireless extensions.
+ */
+static inline void wl_spy_gather(struct net_device * dev,
+ u8 * mac, /* MAC address */
+ u8 * stats) /* Statistics to gather */
+{
+ struct iw_quality wstats;
+
+ wstats.qual = stats[2] & MMR_SGNL_QUAL;
+ wstats.level = stats[0] & MMR_SIGNAL_LVL;
+ wstats.noise = stats[1] & MMR_SILENCE_LVL;
+ wstats.updated = 0x7;
+
+ /* Update spy records */
+ wireless_spy_update(dev, mac, &wstats);
+}
+#endif /* IW_WIRELESS_SPY */
+
+#ifdef HISTOGRAM
+/*------------------------------------------------------------------*/
+/*
+ * This function calculates a histogram of the signal level.
+ * As the noise is quite constant, it's like doing it on the SNR.
+ * We have defined a set of interval (lp->his_range), and each time
+ * the level goes in that interval, we increment the count (lp->his_sum).
+ * With this histogram you may detect if one WaveLAN is really weak,
+ * or you may also calculate the mean and standard deviation of the level.
+ */
+static inline void wl_his_gather(struct net_device * dev, u8 * stats)
+{ /* Statistics to gather */
+ net_local *lp = netdev_priv(dev);
+ u8 level = stats[0] & MMR_SIGNAL_LVL;
+ int i;
+
+ /* Find the correct interval. */
+ i = 0;
+ while ((i < (lp->his_number - 1))
+ && (level >= lp->his_range[i++]));
+
+ /* Increment interval counter. */
+ (lp->his_sum[i])++;
+}
+#endif /* HISTOGRAM */
+
+/*------------------------------------------------------------------*/
+/*
+ * Wireless Handler : get protocol name
+ */
+static int wavelan_get_name(struct net_device *dev,
+ struct iw_request_info *info,
+ union iwreq_data *wrqu,
+ char *extra)
+{
+ strcpy(wrqu->name, "WaveLAN");
+ return 0;
+}
+
+/*------------------------------------------------------------------*/
+/*
+ * Wireless Handler : set NWID
+ */
+static int wavelan_set_nwid(struct net_device *dev,
+ struct iw_request_info *info,
+ union iwreq_data *wrqu,
+ char *extra)
+{
+ unsigned long ioaddr = dev->base_addr;
+ net_local *lp = netdev_priv(dev); /* lp is not unused */
+ psa_t psa;
+ mm_t m;
+ unsigned long flags;
+ int ret = 0;
+
+ /* Disable interrupts and save flags. */
+ spin_lock_irqsave(&lp->spinlock, flags);
+
+ /* Set NWID in WaveLAN. */
+ if (!wrqu->nwid.disabled) {
+ /* Set NWID in psa */
+ psa.psa_nwid[0] = (wrqu->nwid.value & 0xFF00) >> 8;
+ psa.psa_nwid[1] = wrqu->nwid.value & 0xFF;
+ psa.psa_nwid_select = 0x01;
+ psa_write(ioaddr, lp->hacr,
+ (char *) psa.psa_nwid - (char *) &psa,
+ (unsigned char *) psa.psa_nwid, 3);
+
+ /* Set NWID in mmc. */
+ m.w.mmw_netw_id_l = psa.psa_nwid[1];
+ m.w.mmw_netw_id_h = psa.psa_nwid[0];
+ mmc_write(ioaddr,
+ (char *) &m.w.mmw_netw_id_l -
+ (char *) &m,
+ (unsigned char *) &m.w.mmw_netw_id_l, 2);
+ mmc_out(ioaddr, mmwoff(0, mmw_loopt_sel), 0x00);
+ } else {
+ /* Disable NWID in the psa. */
+ psa.psa_nwid_select = 0x00;
+ psa_write(ioaddr, lp->hacr,
+ (char *) &psa.psa_nwid_select -
+ (char *) &psa,
+ (unsigned char *) &psa.psa_nwid_select,
+ 1);
+
+ /* Disable NWID in the mmc (no filtering). */
+ mmc_out(ioaddr, mmwoff(0, mmw_loopt_sel),
+ MMW_LOOPT_SEL_DIS_NWID);
+ }
+ /* update the Wavelan checksum */
+ update_psa_checksum(dev, ioaddr, lp->hacr);
+
+ /* Enable interrupts and restore flags. */
+ spin_unlock_irqrestore(&lp->spinlock, flags);
+
+ return ret;
+}
+
+/*------------------------------------------------------------------*/
+/*
+ * Wireless Handler : get NWID
+ */
+static int wavelan_get_nwid(struct net_device *dev,
+ struct iw_request_info *info,
+ union iwreq_data *wrqu,
+ char *extra)
+{
+ unsigned long ioaddr = dev->base_addr;
+ net_local *lp = netdev_priv(dev); /* lp is not unused */
+ psa_t psa;
+ unsigned long flags;
+ int ret = 0;
+
+ /* Disable interrupts and save flags. */
+ spin_lock_irqsave(&lp->spinlock, flags);
+
+ /* Read the NWID. */
+ psa_read(ioaddr, lp->hacr,
+ (char *) psa.psa_nwid - (char *) &psa,
+ (unsigned char *) psa.psa_nwid, 3);
+ wrqu->nwid.value = (psa.psa_nwid[0] << 8) + psa.psa_nwid[1];
+ wrqu->nwid.disabled = !(psa.psa_nwid_select);
+ wrqu->nwid.fixed = 1; /* Superfluous */
+
+ /* Enable interrupts and restore flags. */
+ spin_unlock_irqrestore(&lp->spinlock, flags);
+
+ return ret;
+}
+
+/*------------------------------------------------------------------*/
+/*
+ * Wireless Handler : set frequency
+ */
+static int wavelan_set_freq(struct net_device *dev,
+ struct iw_request_info *info,
+ union iwreq_data *wrqu,
+ char *extra)
+{
+ unsigned long ioaddr = dev->base_addr;
+ net_local *lp = netdev_priv(dev); /* lp is not unused */
+ unsigned long flags;
+ int ret;
+
+ /* Disable interrupts and save flags. */
+ spin_lock_irqsave(&lp->spinlock, flags);
+
+ /* Attempt to recognise 2.00 cards (2.4 GHz frequency selectable). */
+ if (!(mmc_in(ioaddr, mmroff(0, mmr_fee_status)) &
+ (MMR_FEE_STATUS_DWLD | MMR_FEE_STATUS_BUSY)))
+ ret = wv_set_frequency(ioaddr, &(wrqu->freq));
+ else
+ ret = -EOPNOTSUPP;
+
+ /* Enable interrupts and restore flags. */
+ spin_unlock_irqrestore(&lp->spinlock, flags);
+
+ return ret;
+}
+
+/*------------------------------------------------------------------*/
+/*
+ * Wireless Handler : get frequency
+ */
+static int wavelan_get_freq(struct net_device *dev,
+ struct iw_request_info *info,
+ union iwreq_data *wrqu,
+ char *extra)
+{
+ unsigned long ioaddr = dev->base_addr;
+ net_local *lp = netdev_priv(dev); /* lp is not unused */
+ psa_t psa;
+ unsigned long flags;
+ int ret = 0;
+
+ /* Disable interrupts and save flags. */
+ spin_lock_irqsave(&lp->spinlock, flags);
+
+ /* Attempt to recognise 2.00 cards (2.4 GHz frequency selectable).
+ * Does it work for everybody, especially old cards? */
+ if (!(mmc_in(ioaddr, mmroff(0, mmr_fee_status)) &
+ (MMR_FEE_STATUS_DWLD | MMR_FEE_STATUS_BUSY))) {
+ unsigned short freq;
+
+ /* Ask the EEPROM to read the frequency from the first area. */
+ fee_read(ioaddr, 0x00, &freq, 1);
+ wrqu->freq.m = ((freq >> 5) * 5 + 24000L) * 10000;
+ wrqu->freq.e = 1;
+ } else {
+ psa_read(ioaddr, lp->hacr,
+ (char *) &psa.psa_subband - (char *) &psa,
+ (unsigned char *) &psa.psa_subband, 1);
+
+ if (psa.psa_subband <= 4) {
+ wrqu->freq.m = fixed_bands[psa.psa_subband];
+ wrqu->freq.e = (psa.psa_subband != 0);
+ } else
+ ret = -EOPNOTSUPP;
+ }
+
+ /* Enable interrupts and restore flags. */
+ spin_unlock_irqrestore(&lp->spinlock, flags);
+
+ return ret;
+}
+
+/*------------------------------------------------------------------*/
+/*
+ * Wireless Handler : set level threshold
+ */
+static int wavelan_set_sens(struct net_device *dev,
+ struct iw_request_info *info,
+ union iwreq_data *wrqu,
+ char *extra)
+{
+ unsigned long ioaddr = dev->base_addr;
+ net_local *lp = netdev_priv(dev); /* lp is not unused */
+ psa_t psa;
+ unsigned long flags;
+ int ret = 0;
+
+ /* Disable interrupts and save flags. */
+ spin_lock_irqsave(&lp->spinlock, flags);
+
+ /* Set the level threshold. */
+ /* We should complain loudly if wrqu->sens.fixed = 0, because we
+ * can't set auto mode... */
+ psa.psa_thr_pre_set = wrqu->sens.value & 0x3F;
+ psa_write(ioaddr, lp->hacr,
+ (char *) &psa.psa_thr_pre_set - (char *) &psa,
+ (unsigned char *) &psa.psa_thr_pre_set, 1);
+ /* update the Wavelan checksum */
+ update_psa_checksum(dev, ioaddr, lp->hacr);
+ mmc_out(ioaddr, mmwoff(0, mmw_thr_pre_set),
+ psa.psa_thr_pre_set);
+
+ /* Enable interrupts and restore flags. */
+ spin_unlock_irqrestore(&lp->spinlock, flags);
+
+ return ret;
+}
+
+/*------------------------------------------------------------------*/
+/*
+ * Wireless Handler : get level threshold
+ */
+static int wavelan_get_sens(struct net_device *dev,
+ struct iw_request_info *info,
+ union iwreq_data *wrqu,
+ char *extra)
+{
+ unsigned long ioaddr = dev->base_addr;
+ net_local *lp = netdev_priv(dev); /* lp is not unused */
+ psa_t psa;
+ unsigned long flags;
+ int ret = 0;
+
+ /* Disable interrupts and save flags. */
+ spin_lock_irqsave(&lp->spinlock, flags);
+
+ /* Read the level threshold. */
+ psa_read(ioaddr, lp->hacr,
+ (char *) &psa.psa_thr_pre_set - (char *) &psa,
+ (unsigned char *) &psa.psa_thr_pre_set, 1);
+ wrqu->sens.value = psa.psa_thr_pre_set & 0x3F;
+ wrqu->sens.fixed = 1;
+
+ /* Enable interrupts and restore flags. */
+ spin_unlock_irqrestore(&lp->spinlock, flags);
+
+ return ret;
+}
+
+/*------------------------------------------------------------------*/
+/*
+ * Wireless Handler : set encryption key
+ */
+static int wavelan_set_encode(struct net_device *dev,
+ struct iw_request_info *info,
+ union iwreq_data *wrqu,
+ char *extra)
+{
+ unsigned long ioaddr = dev->base_addr;
+ net_local *lp = netdev_priv(dev); /* lp is not unused */
+ unsigned long flags;
+ psa_t psa;
+ int ret = 0;
+
+ /* Disable interrupts and save flags. */
+ spin_lock_irqsave(&lp->spinlock, flags);
+
+ /* Check if capable of encryption */
+ if (!mmc_encr(ioaddr)) {
+ ret = -EOPNOTSUPP;
+ }
+
+ /* Check the size of the key */
+ if((wrqu->encoding.length != 8) && (wrqu->encoding.length != 0)) {
+ ret = -EINVAL;
+ }
+
+ if(!ret) {
+ /* Basic checking... */
+ if (wrqu->encoding.length == 8) {
+ /* Copy the key in the driver */
+ memcpy(psa.psa_encryption_key, extra,
+ wrqu->encoding.length);
+ psa.psa_encryption_select = 1;
+
+ psa_write(ioaddr, lp->hacr,
+ (char *) &psa.psa_encryption_select -
+ (char *) &psa,
+ (unsigned char *) &psa.
+ psa_encryption_select, 8 + 1);
+
+ mmc_out(ioaddr, mmwoff(0, mmw_encr_enable),
+ MMW_ENCR_ENABLE_EN | MMW_ENCR_ENABLE_MODE);
+ mmc_write(ioaddr, mmwoff(0, mmw_encr_key),
+ (unsigned char *) &psa.
+ psa_encryption_key, 8);
+ }
+
+ /* disable encryption */
+ if (wrqu->encoding.flags & IW_ENCODE_DISABLED) {
+ psa.psa_encryption_select = 0;
+ psa_write(ioaddr, lp->hacr,
+ (char *) &psa.psa_encryption_select -
+ (char *) &psa,
+ (unsigned char *) &psa.
+ psa_encryption_select, 1);
+
+ mmc_out(ioaddr, mmwoff(0, mmw_encr_enable), 0);
+ }
+ /* update the Wavelan checksum */
+ update_psa_checksum(dev, ioaddr, lp->hacr);
+ }
+
+ /* Enable interrupts and restore flags. */
+ spin_unlock_irqrestore(&lp->spinlock, flags);
+
+ return ret;
+}
+
+/*------------------------------------------------------------------*/
+/*
+ * Wireless Handler : get encryption key
+ */
+static int wavelan_get_encode(struct net_device *dev,
+ struct iw_request_info *info,
+ union iwreq_data *wrqu,
+ char *extra)
+{
+ unsigned long ioaddr = dev->base_addr;
+ net_local *lp = netdev_priv(dev); /* lp is not unused */
+ psa_t psa;
+ unsigned long flags;
+ int ret = 0;
+
+ /* Disable interrupts and save flags. */
+ spin_lock_irqsave(&lp->spinlock, flags);
+
+ /* Check if encryption is available */
+ if (!mmc_encr(ioaddr)) {
+ ret = -EOPNOTSUPP;
+ } else {
+ /* Read the encryption key */
+ psa_read(ioaddr, lp->hacr,
+ (char *) &psa.psa_encryption_select -
+ (char *) &psa,
+ (unsigned char *) &psa.
+ psa_encryption_select, 1 + 8);
+
+ /* encryption is enabled ? */
+ if (psa.psa_encryption_select)
+ wrqu->encoding.flags = IW_ENCODE_ENABLED;
+ else
+ wrqu->encoding.flags = IW_ENCODE_DISABLED;
+ wrqu->encoding.flags |= mmc_encr(ioaddr);
+
+ /* Copy the key to the user buffer */
+ wrqu->encoding.length = 8;
+ memcpy(extra, psa.psa_encryption_key, wrqu->encoding.length);
+ }
+
+ /* Enable interrupts and restore flags. */
+ spin_unlock_irqrestore(&lp->spinlock, flags);
+
+ return ret;
+}
+
+/*------------------------------------------------------------------*/
+/*
+ * Wireless Handler : get range info
+ */
+static int wavelan_get_range(struct net_device *dev,
+ struct iw_request_info *info,
+ union iwreq_data *wrqu,
+ char *extra)
+{
+ unsigned long ioaddr = dev->base_addr;
+ net_local *lp = netdev_priv(dev); /* lp is not unused */
+ struct iw_range *range = (struct iw_range *) extra;
+ unsigned long flags;
+ int ret = 0;
+
+ /* Set the length (very important for backward compatibility) */
+ wrqu->data.length = sizeof(struct iw_range);
+
+ /* Set all the info we don't care or don't know about to zero */
+ memset(range, 0, sizeof(struct iw_range));
+
+ /* Set the Wireless Extension versions */
+ range->we_version_compiled = WIRELESS_EXT;
+ range->we_version_source = 9;
+
+ /* Set information in the range struct. */
+ range->throughput = 1.6 * 1000 * 1000; /* don't argue on this ! */
+ range->min_nwid = 0x0000;
+ range->max_nwid = 0xFFFF;
+
+ range->sensitivity = 0x3F;
+ range->max_qual.qual = MMR_SGNL_QUAL;
+ range->max_qual.level = MMR_SIGNAL_LVL;
+ range->max_qual.noise = MMR_SILENCE_LVL;
+ range->avg_qual.qual = MMR_SGNL_QUAL; /* Always max */
+ /* Need to get better values for those two */
+ range->avg_qual.level = 30;
+ range->avg_qual.noise = 8;
+
+ range->num_bitrates = 1;
+ range->bitrate[0] = 2000000; /* 2 Mb/s */
+
+ /* Event capability (kernel + driver) */
+ range->event_capa[0] = (IW_EVENT_CAPA_MASK(0x8B02) |
+ IW_EVENT_CAPA_MASK(0x8B04));
+ range->event_capa[1] = IW_EVENT_CAPA_K_1;
+
+ /* Disable interrupts and save flags. */
+ spin_lock_irqsave(&lp->spinlock, flags);
+
+ /* Attempt to recognise 2.00 cards (2.4 GHz frequency selectable). */
+ if (!(mmc_in(ioaddr, mmroff(0, mmr_fee_status)) &
+ (MMR_FEE_STATUS_DWLD | MMR_FEE_STATUS_BUSY))) {
+ range->num_channels = 10;
+ range->num_frequency = wv_frequency_list(ioaddr, range->freq,
+ IW_MAX_FREQUENCIES);
+ } else
+ range->num_channels = range->num_frequency = 0;
+
+ /* Encryption supported ? */
+ if (mmc_encr(ioaddr)) {
+ range->encoding_size[0] = 8; /* DES = 64 bits key */
+ range->num_encoding_sizes = 1;
+ range->max_encoding_tokens = 1; /* Only one key possible */
+ } else {
+ range->num_encoding_sizes = 0;
+ range->max_encoding_tokens = 0;
+ }
+
+ /* Enable interrupts and restore flags. */
+ spin_unlock_irqrestore(&lp->spinlock, flags);
+
+ return ret;
+}
+
+/*------------------------------------------------------------------*/
+/*
+ * Wireless Private Handler : set quality threshold
+ */
+static int wavelan_set_qthr(struct net_device *dev,
+ struct iw_request_info *info,
+ union iwreq_data *wrqu,
+ char *extra)
+{
+ unsigned long ioaddr = dev->base_addr;
+ net_local *lp = netdev_priv(dev); /* lp is not unused */
+ psa_t psa;
+ unsigned long flags;
+
+ /* Disable interrupts and save flags. */
+ spin_lock_irqsave(&lp->spinlock, flags);
+
+ psa.psa_quality_thr = *(extra) & 0x0F;
+ psa_write(ioaddr, lp->hacr,
+ (char *) &psa.psa_quality_thr - (char *) &psa,
+ (unsigned char *) &psa.psa_quality_thr, 1);
+ /* update the Wavelan checksum */
+ update_psa_checksum(dev, ioaddr, lp->hacr);
+ mmc_out(ioaddr, mmwoff(0, mmw_quality_thr),
+ psa.psa_quality_thr);
+
+ /* Enable interrupts and restore flags. */
+ spin_unlock_irqrestore(&lp->spinlock, flags);
+
+ return 0;
+}
+
+/*------------------------------------------------------------------*/
+/*
+ * Wireless Private Handler : get quality threshold
+ */
+static int wavelan_get_qthr(struct net_device *dev,
+ struct iw_request_info *info,
+ union iwreq_data *wrqu,
+ char *extra)
+{
+ unsigned long ioaddr = dev->base_addr;
+ net_local *lp = netdev_priv(dev); /* lp is not unused */
+ psa_t psa;
+ unsigned long flags;
+
+ /* Disable interrupts and save flags. */
+ spin_lock_irqsave(&lp->spinlock, flags);
+
+ psa_read(ioaddr, lp->hacr,
+ (char *) &psa.psa_quality_thr - (char *) &psa,
+ (unsigned char *) &psa.psa_quality_thr, 1);
+ *(extra) = psa.psa_quality_thr & 0x0F;
+
+ /* Enable interrupts and restore flags. */
+ spin_unlock_irqrestore(&lp->spinlock, flags);
+
+ return 0;
+}
+
+#ifdef HISTOGRAM
+/*------------------------------------------------------------------*/
+/*
+ * Wireless Private Handler : set histogram
+ */
+static int wavelan_set_histo(struct net_device *dev,
+ struct iw_request_info *info,
+ union iwreq_data *wrqu,
+ char *extra)
+{
+ net_local *lp = netdev_priv(dev); /* lp is not unused */
+
+ /* Check the number of intervals. */
+ if (wrqu->data.length > 16) {
+ return(-E2BIG);
+ }
+
+ /* Disable histo while we copy the addresses.
+ * As we don't disable interrupts, we need to do this */
+ lp->his_number = 0;
+
+ /* Are there ranges to copy? */
+ if (wrqu->data.length > 0) {
+ /* Copy interval ranges to the driver */
+ memcpy(lp->his_range, extra, wrqu->data.length);
+
+ {
+ int i;
+ printk(KERN_DEBUG "Histo :");
+ for(i = 0; i < wrqu->data.length; i++)
+ printk(" %d", lp->his_range[i]);
+ printk("\n");
+ }
+
+ /* Reset result structure. */
+ memset(lp->his_sum, 0x00, sizeof(long) * 16);
+ }
+
+ /* Now we can set the number of ranges */
+ lp->his_number = wrqu->data.length;
+
+ return(0);
+}
+
+/*------------------------------------------------------------------*/
+/*
+ * Wireless Private Handler : get histogram
+ */
+static int wavelan_get_histo(struct net_device *dev,
+ struct iw_request_info *info,
+ union iwreq_data *wrqu,
+ char *extra)
+{
+ net_local *lp = netdev_priv(dev); /* lp is not unused */
+
+ /* Set the number of intervals. */
+ wrqu->data.length = lp->his_number;
+
+ /* Give back the distribution statistics */
+ if(lp->his_number > 0)
+ memcpy(extra, lp->his_sum, sizeof(long) * lp->his_number);
+
+ return(0);
+}
+#endif /* HISTOGRAM */
+
+/*------------------------------------------------------------------*/
+/*
+ * Structures to export the Wireless Handlers
+ */
+
+static const iw_handler wavelan_handler[] =
+{
+ NULL, /* SIOCSIWNAME */
+ wavelan_get_name, /* SIOCGIWNAME */
+ wavelan_set_nwid, /* SIOCSIWNWID */
+ wavelan_get_nwid, /* SIOCGIWNWID */
+ wavelan_set_freq, /* SIOCSIWFREQ */
+ wavelan_get_freq, /* SIOCGIWFREQ */
+ NULL, /* SIOCSIWMODE */
+ NULL, /* SIOCGIWMODE */
+ wavelan_set_sens, /* SIOCSIWSENS */
+ wavelan_get_sens, /* SIOCGIWSENS */
+ NULL, /* SIOCSIWRANGE */
+ wavelan_get_range, /* SIOCGIWRANGE */
+ NULL, /* SIOCSIWPRIV */
+ NULL, /* SIOCGIWPRIV */
+ NULL, /* SIOCSIWSTATS */
+ NULL, /* SIOCGIWSTATS */
+ iw_handler_set_spy, /* SIOCSIWSPY */
+ iw_handler_get_spy, /* SIOCGIWSPY */
+ iw_handler_set_thrspy, /* SIOCSIWTHRSPY */
+ iw_handler_get_thrspy, /* SIOCGIWTHRSPY */
+ NULL, /* SIOCSIWAP */
+ NULL, /* SIOCGIWAP */
+ NULL, /* -- hole -- */
+ NULL, /* SIOCGIWAPLIST */
+ NULL, /* -- hole -- */
+ NULL, /* -- hole -- */
+ NULL, /* SIOCSIWESSID */
+ NULL, /* SIOCGIWESSID */
+ NULL, /* SIOCSIWNICKN */
+ NULL, /* SIOCGIWNICKN */
+ NULL, /* -- hole -- */
+ NULL, /* -- hole -- */
+ NULL, /* SIOCSIWRATE */
+ NULL, /* SIOCGIWRATE */
+ NULL, /* SIOCSIWRTS */
+ NULL, /* SIOCGIWRTS */
+ NULL, /* SIOCSIWFRAG */
+ NULL, /* SIOCGIWFRAG */
+ NULL, /* SIOCSIWTXPOW */
+ NULL, /* SIOCGIWTXPOW */
+ NULL, /* SIOCSIWRETRY */
+ NULL, /* SIOCGIWRETRY */
+ /* Bummer ! Why those are only at the end ??? */
+ wavelan_set_encode, /* SIOCSIWENCODE */
+ wavelan_get_encode, /* SIOCGIWENCODE */
+};
+
+static const iw_handler wavelan_private_handler[] =
+{
+ wavelan_set_qthr, /* SIOCIWFIRSTPRIV */
+ wavelan_get_qthr, /* SIOCIWFIRSTPRIV + 1 */
+#ifdef HISTOGRAM
+ wavelan_set_histo, /* SIOCIWFIRSTPRIV + 2 */
+ wavelan_get_histo, /* SIOCIWFIRSTPRIV + 3 */
+#endif /* HISTOGRAM */
+};
+
+static const struct iw_priv_args wavelan_private_args[] = {
+/*{ cmd, set_args, get_args, name } */
+ { SIOCSIPQTHR, IW_PRIV_TYPE_BYTE | IW_PRIV_SIZE_FIXED | 1, 0, "setqualthr" },
+ { SIOCGIPQTHR, 0, IW_PRIV_TYPE_BYTE | IW_PRIV_SIZE_FIXED | 1, "getqualthr" },
+ { SIOCSIPHISTO, IW_PRIV_TYPE_BYTE | 16, 0, "sethisto" },
+ { SIOCGIPHISTO, 0, IW_PRIV_TYPE_INT | 16, "gethisto" },
+};
+
+static const struct iw_handler_def wavelan_handler_def =
+{
+ .num_standard = ARRAY_SIZE(wavelan_handler),
+ .num_private = ARRAY_SIZE(wavelan_private_handler),
+ .num_private_args = ARRAY_SIZE(wavelan_private_args),
+ .standard = wavelan_handler,
+ .private = wavelan_private_handler,
+ .private_args = wavelan_private_args,
+ .get_wireless_stats = wavelan_get_wireless_stats,
+};
+
+/*------------------------------------------------------------------*/
+/*
+ * Get wireless statistics.
+ * Called by /proc/net/wireless
+ */
+static iw_stats *wavelan_get_wireless_stats(struct net_device * dev)
+{
+ unsigned long ioaddr = dev->base_addr;
+ net_local *lp = netdev_priv(dev);
+ mmr_t m;
+ iw_stats *wstats;
+ unsigned long flags;
+
+#ifdef DEBUG_IOCTL_TRACE
+ printk(KERN_DEBUG "%s: ->wavelan_get_wireless_stats()\n",
+ dev->name);
+#endif
+
+ /* Check */
+ if (lp == (net_local *) NULL)
+ return (iw_stats *) NULL;
+
+ /* Disable interrupts and save flags. */
+ spin_lock_irqsave(&lp->spinlock, flags);
+
+ wstats = &lp->wstats;
+
+ /* Get data from the mmc. */
+ mmc_out(ioaddr, mmwoff(0, mmw_freeze), 1);
+
+ mmc_read(ioaddr, mmroff(0, mmr_dce_status), &m.mmr_dce_status, 1);
+ mmc_read(ioaddr, mmroff(0, mmr_wrong_nwid_l), &m.mmr_wrong_nwid_l,
+ 2);
+ mmc_read(ioaddr, mmroff(0, mmr_thr_pre_set), &m.mmr_thr_pre_set,
+ 4);
+
+ mmc_out(ioaddr, mmwoff(0, mmw_freeze), 0);
+
+ /* Copy data to wireless stuff. */
+ wstats->status = m.mmr_dce_status & MMR_DCE_STATUS;
+ wstats->qual.qual = m.mmr_sgnl_qual & MMR_SGNL_QUAL;
+ wstats->qual.level = m.mmr_signal_lvl & MMR_SIGNAL_LVL;
+ wstats->qual.noise = m.mmr_silence_lvl & MMR_SILENCE_LVL;
+ wstats->qual.updated = (((m. mmr_signal_lvl & MMR_SIGNAL_LVL_VALID) >> 7)
+ | ((m.mmr_signal_lvl & MMR_SIGNAL_LVL_VALID) >> 6)
+ | ((m.mmr_silence_lvl & MMR_SILENCE_LVL_VALID) >> 5));
+ wstats->discard.nwid += (m.mmr_wrong_nwid_h << 8) | m.mmr_wrong_nwid_l;
+ wstats->discard.code = 0L;
+ wstats->discard.misc = 0L;
+
+ /* Enable interrupts and restore flags. */
+ spin_unlock_irqrestore(&lp->spinlock, flags);
+
+#ifdef DEBUG_IOCTL_TRACE
+ printk(KERN_DEBUG "%s: <-wavelan_get_wireless_stats()\n",
+ dev->name);
+#endif
+ return &lp->wstats;
+}
+
+/************************* PACKET RECEPTION *************************/
+/*
+ * This part deals with receiving the packets.
+ * The interrupt handler gets an interrupt when a packet has been
+ * successfully received and calls this part.
+ */
+
+/*------------------------------------------------------------------*/
+/*
+ * This routine does the actual copying of data (including the Ethernet
+ * header structure) from the WaveLAN card to an sk_buff chain that
+ * will be passed up to the network interface layer. NOTE: we
+ * currently don't handle trailer protocols (neither does the rest of
+ * the network interface), so if that is needed, it will (at least in
+ * part) be added here. The contents of the receive ring buffer are
+ * copied to a message chain that is then passed to the kernel.
+ *
+ * Note: if any errors occur, the packet is "dropped on the floor".
+ * (called by wv_packet_rcv())
+ */
+static void
+wv_packet_read(struct net_device * dev, u16 buf_off, int sksize)
+{
+ net_local *lp = netdev_priv(dev);
+ unsigned long ioaddr = dev->base_addr;
+ struct sk_buff *skb;
+
+#ifdef DEBUG_RX_TRACE
+ printk(KERN_DEBUG "%s: ->wv_packet_read(0x%X, %d)\n",
+ dev->name, buf_off, sksize);
+#endif
+
+ /* Allocate buffer for the data */
+ if ((skb = dev_alloc_skb(sksize)) == (struct sk_buff *) NULL) {
+#ifdef DEBUG_RX_ERROR
+ printk(KERN_INFO
+ "%s: wv_packet_read(): could not alloc_skb(%d, GFP_ATOMIC).\n",
+ dev->name, sksize);
+#endif
+ dev->stats.rx_dropped++;
+ return;
+ }
+
+ /* Copy the packet to the buffer. */
+ obram_read(ioaddr, buf_off, skb_put(skb, sksize), sksize);
+ skb->protocol = eth_type_trans(skb, dev);
+
+#ifdef DEBUG_RX_INFO
+ wv_packet_info(skb_mac_header(skb), sksize, dev->name,
+ "wv_packet_read");
+#endif /* DEBUG_RX_INFO */
+
+ /* Statistics-gathering and associated stuff.
+ * It seem a bit messy with all the define, but it's really
+ * simple... */
+ if (
+#ifdef IW_WIRELESS_SPY /* defined in iw_handler.h */
+ (lp->spy_data.spy_number > 0) ||
+#endif /* IW_WIRELESS_SPY */
+#ifdef HISTOGRAM
+ (lp->his_number > 0) ||
+#endif /* HISTOGRAM */
+ 0) {
+ u8 stats[3]; /* signal level, noise level, signal quality */
+
+ /* Read signal level, silence level and signal quality bytes */
+ /* Note: in the PCMCIA hardware, these are part of the frame.
+ * It seems that for the ISA hardware, it's nowhere to be
+ * found in the frame, so I'm obliged to do this (it has a
+ * side effect on /proc/net/wireless).
+ * Any ideas?
+ */
+ mmc_out(ioaddr, mmwoff(0, mmw_freeze), 1);
+ mmc_read(ioaddr, mmroff(0, mmr_signal_lvl), stats, 3);
+ mmc_out(ioaddr, mmwoff(0, mmw_freeze), 0);
+
+#ifdef DEBUG_RX_INFO
+ printk(KERN_DEBUG
+ "%s: wv_packet_read(): Signal level %d/63, Silence level %d/63, signal quality %d/16\n",
+ dev->name, stats[0] & 0x3F, stats[1] & 0x3F,
+ stats[2] & 0x0F);
+#endif
+
+ /* Spying stuff */
+#ifdef IW_WIRELESS_SPY
+ wl_spy_gather(dev, skb_mac_header(skb) + WAVELAN_ADDR_SIZE,
+ stats);
+#endif /* IW_WIRELESS_SPY */
+#ifdef HISTOGRAM
+ wl_his_gather(dev, stats);
+#endif /* HISTOGRAM */
+ }
+
+ /*
+ * Hand the packet to the network module.
+ */
+ netif_rx(skb);
+
+ /* Keep statistics up to date */
+ dev->stats.rx_packets++;
+ dev->stats.rx_bytes += sksize;
+
+#ifdef DEBUG_RX_TRACE
+ printk(KERN_DEBUG "%s: <-wv_packet_read()\n", dev->name);
+#endif
+}
+
+/*------------------------------------------------------------------*/
+/*
+ * Transfer as many packets as we can
+ * from the device RAM.
+ * (called in wavelan_interrupt()).
+ * Note : the spinlock is already grabbed for us.
+ */
+static void wv_receive(struct net_device * dev)
+{
+ unsigned long ioaddr = dev->base_addr;
+ net_local *lp = netdev_priv(dev);
+ fd_t fd;
+ rbd_t rbd;
+ int nreaped = 0;
+
+#ifdef DEBUG_RX_TRACE
+ printk(KERN_DEBUG "%s: ->wv_receive()\n", dev->name);
+#endif
+
+ /* Loop on each received packet. */
+ for (;;) {
+ obram_read(ioaddr, lp->rx_head, (unsigned char *) &fd,
+ sizeof(fd));
+
+ /* Note about the status :
+ * It start up to be 0 (the value we set). Then, when the RU
+ * grab the buffer to prepare for reception, it sets the
+ * FD_STATUS_B flag. When the RU has finished receiving the
+ * frame, it clears FD_STATUS_B, set FD_STATUS_C to indicate
+ * completion and set the other flags to indicate the eventual
+ * errors. FD_STATUS_OK indicates that the reception was OK.
+ */
+
+ /* If the current frame is not complete, we have reached the end. */
+ if ((fd.fd_status & FD_STATUS_C) != FD_STATUS_C)
+ break; /* This is how we exit the loop. */
+
+ nreaped++;
+
+ /* Check whether frame was correctly received. */
+ if ((fd.fd_status & FD_STATUS_OK) == FD_STATUS_OK) {
+ /* Does the frame contain a pointer to the data? Let's check. */
+ if (fd.fd_rbd_offset != I82586NULL) {
+ /* Read the receive buffer descriptor */
+ obram_read(ioaddr, fd.fd_rbd_offset,
+ (unsigned char *) &rbd,
+ sizeof(rbd));
+
+#ifdef DEBUG_RX_ERROR
+ if ((rbd.rbd_status & RBD_STATUS_EOF) !=
+ RBD_STATUS_EOF) printk(KERN_INFO
+ "%s: wv_receive(): missing EOF flag.\n",
+ dev->name);
+
+ if ((rbd.rbd_status & RBD_STATUS_F) !=
+ RBD_STATUS_F) printk(KERN_INFO
+ "%s: wv_receive(): missing F flag.\n",
+ dev->name);
+#endif /* DEBUG_RX_ERROR */
+
+ /* Read the packet and transmit to Linux */
+ wv_packet_read(dev, rbd.rbd_bufl,
+ rbd.
+ rbd_status &
+ RBD_STATUS_ACNT);
+ }
+#ifdef DEBUG_RX_ERROR
+ else /* if frame has no data */
+ printk(KERN_INFO
+ "%s: wv_receive(): frame has no data.\n",
+ dev->name);
+#endif
+ } else { /* If reception was no successful */
+
+ dev->stats.rx_errors++;
+
+#ifdef DEBUG_RX_INFO
+ printk(KERN_DEBUG
+ "%s: wv_receive(): frame not received successfully (%X).\n",
+ dev->name, fd.fd_status);
+#endif
+
+#ifdef DEBUG_RX_ERROR
+ if ((fd.fd_status & FD_STATUS_S6) != 0)
+ printk(KERN_INFO
+ "%s: wv_receive(): no EOF flag.\n",
+ dev->name);
+#endif
+
+ if ((fd.fd_status & FD_STATUS_S7) != 0) {
+ dev->stats.rx_length_errors++;
+#ifdef DEBUG_RX_FAIL
+ printk(KERN_DEBUG
+ "%s: wv_receive(): frame too short.\n",
+ dev->name);
+#endif
+ }
+
+ if ((fd.fd_status & FD_STATUS_S8) != 0) {
+ dev->stats.rx_over_errors++;
+#ifdef DEBUG_RX_FAIL
+ printk(KERN_DEBUG
+ "%s: wv_receive(): rx DMA overrun.\n",
+ dev->name);
+#endif
+ }
+
+ if ((fd.fd_status & FD_STATUS_S9) != 0) {
+ dev->stats.rx_fifo_errors++;
+#ifdef DEBUG_RX_FAIL
+ printk(KERN_DEBUG
+ "%s: wv_receive(): ran out of resources.\n",
+ dev->name);
+#endif
+ }
+
+ if ((fd.fd_status & FD_STATUS_S10) != 0) {
+ dev->stats.rx_frame_errors++;
+#ifdef DEBUG_RX_FAIL
+ printk(KERN_DEBUG
+ "%s: wv_receive(): alignment error.\n",
+ dev->name);
+#endif
+ }
+
+ if ((fd.fd_status & FD_STATUS_S11) != 0) {
+ dev->stats.rx_crc_errors++;
+#ifdef DEBUG_RX_FAIL
+ printk(KERN_DEBUG
+ "%s: wv_receive(): CRC error.\n",
+ dev->name);
+#endif
+ }
+ }
+
+ fd.fd_status = 0;
+ obram_write(ioaddr, fdoff(lp->rx_head, fd_status),
+ (unsigned char *) &fd.fd_status,
+ sizeof(fd.fd_status));
+
+ fd.fd_command = FD_COMMAND_EL;
+ obram_write(ioaddr, fdoff(lp->rx_head, fd_command),
+ (unsigned char *) &fd.fd_command,
+ sizeof(fd.fd_command));
+
+ fd.fd_command = 0;
+ obram_write(ioaddr, fdoff(lp->rx_last, fd_command),
+ (unsigned char *) &fd.fd_command,
+ sizeof(fd.fd_command));
+
+ lp->rx_last = lp->rx_head;
+ lp->rx_head = fd.fd_link_offset;
+ } /* for(;;) -> loop on all frames */
+
+#ifdef DEBUG_RX_INFO
+ if (nreaped > 1)
+ printk(KERN_DEBUG "%s: wv_receive(): reaped %d\n",
+ dev->name, nreaped);
+#endif
+#ifdef DEBUG_RX_TRACE
+ printk(KERN_DEBUG "%s: <-wv_receive()\n", dev->name);
+#endif
+}
+
+/*********************** PACKET TRANSMISSION ***********************/
+/*
+ * This part deals with sending packets through the WaveLAN.
+ *
+ */
+
+/*------------------------------------------------------------------*/
+/*
+ * This routine fills in the appropriate registers and memory
+ * locations on the WaveLAN card and starts the card off on
+ * the transmit.
+ *
+ * The principle:
+ * Each block contains a transmit command, a NOP command,
+ * a transmit block descriptor and a buffer.
+ * The CU read the transmit block which point to the tbd,
+ * read the tbd and the content of the buffer.
+ * When it has finish with it, it goes to the next command
+ * which in our case is the NOP. The NOP points on itself,
+ * so the CU stop here.
+ * When we add the next block, we modify the previous nop
+ * to make it point on the new tx command.
+ * Simple, isn't it ?
+ *
+ * (called in wavelan_packet_xmit())
+ */
+static int wv_packet_write(struct net_device * dev, void *buf, short length)
+{
+ net_local *lp = netdev_priv(dev);
+ unsigned long ioaddr = dev->base_addr;
+ unsigned short txblock;
+ unsigned short txpred;
+ unsigned short tx_addr;
+ unsigned short nop_addr;
+ unsigned short tbd_addr;
+ unsigned short buf_addr;
+ ac_tx_t tx;
+ ac_nop_t nop;
+ tbd_t tbd;
+ int clen = length;
+ unsigned long flags;
+
+#ifdef DEBUG_TX_TRACE
+ printk(KERN_DEBUG "%s: ->wv_packet_write(%d)\n", dev->name,
+ length);
+#endif
+
+ spin_lock_irqsave(&lp->spinlock, flags);
+
+ /* Check nothing bad has happened */
+ if (lp->tx_n_in_use == (NTXBLOCKS - 1)) {
+#ifdef DEBUG_TX_ERROR
+ printk(KERN_INFO "%s: wv_packet_write(): Tx queue full.\n",
+ dev->name);
+#endif
+ spin_unlock_irqrestore(&lp->spinlock, flags);
+ return 1;
+ }
+
+ /* Calculate addresses of next block and previous block. */
+ txblock = lp->tx_first_free;
+ txpred = txblock - TXBLOCKZ;
+ if (txpred < OFFSET_CU)
+ txpred += NTXBLOCKS * TXBLOCKZ;
+ lp->tx_first_free += TXBLOCKZ;
+ if (lp->tx_first_free >= OFFSET_CU + NTXBLOCKS * TXBLOCKZ)
+ lp->tx_first_free -= NTXBLOCKS * TXBLOCKZ;
+
+ lp->tx_n_in_use++;
+
+ /* Calculate addresses of the different parts of the block. */
+ tx_addr = txblock;
+ nop_addr = tx_addr + sizeof(tx);
+ tbd_addr = nop_addr + sizeof(nop);
+ buf_addr = tbd_addr + sizeof(tbd);
+
+ /*
+ * Transmit command
+ */
+ tx.tx_h.ac_status = 0;
+ obram_write(ioaddr, toff(ac_tx_t, tx_addr, tx_h.ac_status),
+ (unsigned char *) &tx.tx_h.ac_status,
+ sizeof(tx.tx_h.ac_status));
+
+ /*
+ * NOP command
+ */
+ nop.nop_h.ac_status = 0;
+ obram_write(ioaddr, toff(ac_nop_t, nop_addr, nop_h.ac_status),
+ (unsigned char *) &nop.nop_h.ac_status,
+ sizeof(nop.nop_h.ac_status));
+ nop.nop_h.ac_link = nop_addr;
+ obram_write(ioaddr, toff(ac_nop_t, nop_addr, nop_h.ac_link),
+ (unsigned char *) &nop.nop_h.ac_link,
+ sizeof(nop.nop_h.ac_link));
+
+ /*
+ * Transmit buffer descriptor
+ */
+ tbd.tbd_status = TBD_STATUS_EOF | (TBD_STATUS_ACNT & clen);
+ tbd.tbd_next_bd_offset = I82586NULL;
+ tbd.tbd_bufl = buf_addr;
+ tbd.tbd_bufh = 0;
+ obram_write(ioaddr, tbd_addr, (unsigned char *) &tbd, sizeof(tbd));
+
+ /*
+ * Data
+ */
+ obram_write(ioaddr, buf_addr, buf, length);
+
+ /*
+ * Overwrite the predecessor NOP link
+ * so that it points to this txblock.
+ */
+ nop_addr = txpred + sizeof(tx);
+ nop.nop_h.ac_status = 0;
+ obram_write(ioaddr, toff(ac_nop_t, nop_addr, nop_h.ac_status),
+ (unsigned char *) &nop.nop_h.ac_status,
+ sizeof(nop.nop_h.ac_status));
+ nop.nop_h.ac_link = txblock;
+ obram_write(ioaddr, toff(ac_nop_t, nop_addr, nop_h.ac_link),
+ (unsigned char *) &nop.nop_h.ac_link,
+ sizeof(nop.nop_h.ac_link));
+
+ /* Make sure the watchdog will keep quiet for a while */
+ dev->trans_start = jiffies;
+
+ /* Keep stats up to date. */
+ dev->stats.tx_bytes += length;
+
+ if (lp->tx_first_in_use == I82586NULL)
+ lp->tx_first_in_use = txblock;
+
+ if (lp->tx_n_in_use < NTXBLOCKS - 1)
+ netif_wake_queue(dev);
+
+ spin_unlock_irqrestore(&lp->spinlock, flags);
+
+#ifdef DEBUG_TX_INFO
+ wv_packet_info((u8 *) buf, length, dev->name,
+ "wv_packet_write");
+#endif /* DEBUG_TX_INFO */
+
+#ifdef DEBUG_TX_TRACE
+ printk(KERN_DEBUG "%s: <-wv_packet_write()\n", dev->name);
+#endif
+
+ return 0;
+}
+
+/*------------------------------------------------------------------*/
+/*
+ * This routine is called when we want to send a packet (NET3 callback)
+ * In this routine, we check if the harware is ready to accept
+ * the packet. We also prevent reentrance. Then we call the function
+ * to send the packet.
+ */
+static netdev_tx_t wavelan_packet_xmit(struct sk_buff *skb,
+ struct net_device * dev)
+{
+ net_local *lp = netdev_priv(dev);
+ unsigned long flags;
+ char data[ETH_ZLEN];
+
+#ifdef DEBUG_TX_TRACE
+ printk(KERN_DEBUG "%s: ->wavelan_packet_xmit(0x%X)\n", dev->name,
+ (unsigned) skb);
+#endif
+
+ /*
+ * Block a timer-based transmit from overlapping.
+ * In other words, prevent reentering this routine.
+ */
+ netif_stop_queue(dev);
+
+ /* If somebody has asked to reconfigure the controller,
+ * we can do it now.
+ */
+ if (lp->reconfig_82586) {
+ spin_lock_irqsave(&lp->spinlock, flags);
+ wv_82586_config(dev);
+ spin_unlock_irqrestore(&lp->spinlock, flags);
+ /* Check that we can continue */
+ if (lp->tx_n_in_use == (NTXBLOCKS - 1))
+ return NETDEV_TX_BUSY;
+ }
+
+ /* Do we need some padding? */
+ /* Note : on wireless the propagation time is in the order of 1us,
+ * and we don't have the Ethernet specific requirement of beeing
+ * able to detect collisions, therefore in theory we don't really
+ * need to pad. Jean II */
+ if (skb->len < ETH_ZLEN) {
+ memset(data, 0, ETH_ZLEN);
+ skb_copy_from_linear_data(skb, data, skb->len);
+ /* Write packet on the card */
+ if(wv_packet_write(dev, data, ETH_ZLEN))
+ return NETDEV_TX_BUSY; /* We failed */
+ }
+ else if(wv_packet_write(dev, skb->data, skb->len))
+ return NETDEV_TX_BUSY; /* We failed */
+
+
+ dev_kfree_skb(skb);
+
+#ifdef DEBUG_TX_TRACE
+ printk(KERN_DEBUG "%s: <-wavelan_packet_xmit()\n", dev->name);
+#endif
+ return NETDEV_TX_OK;
+}
+
+/*********************** HARDWARE CONFIGURATION ***********************/
+/*
+ * This part does the real job of starting and configuring the hardware.
+ */
+
+/*--------------------------------------------------------------------*/
+/*
+ * Routine to initialize the Modem Management Controller.
+ * (called by wv_hw_reset())
+ */
+static int wv_mmc_init(struct net_device * dev)
+{
+ unsigned long ioaddr = dev->base_addr;
+ net_local *lp = netdev_priv(dev);
+ psa_t psa;
+ mmw_t m;
+ int configured;
+
+#ifdef DEBUG_CONFIG_TRACE
+ printk(KERN_DEBUG "%s: ->wv_mmc_init()\n", dev->name);
+#endif
+
+ /* Read the parameter storage area. */
+ psa_read(ioaddr, lp->hacr, 0, (unsigned char *) &psa, sizeof(psa));
+
+#ifdef USE_PSA_CONFIG
+ configured = psa.psa_conf_status & 1;
+#else
+ configured = 0;
+#endif
+
+ /* Is the PSA is not configured */
+ if (!configured) {
+ /* User will be able to configure NWID later (with iwconfig). */
+ psa.psa_nwid[0] = 0;
+ psa.psa_nwid[1] = 0;
+
+ /* no NWID checking since NWID is not set */
+ psa.psa_nwid_select = 0;
+
+ /* Disable encryption */
+ psa.psa_encryption_select = 0;
+
+ /* Set to standard values:
+ * 0x04 for AT,
+ * 0x01 for MCA,
+ * 0x04 for PCMCIA and 2.00 card (AT&T 407-024689/E document)
+ */
+ if (psa.psa_comp_number & 1)
+ psa.psa_thr_pre_set = 0x01;
+ else
+ psa.psa_thr_pre_set = 0x04;
+ psa.psa_quality_thr = 0x03;
+
+ /* It is configured */
+ psa.psa_conf_status |= 1;
+
+#ifdef USE_PSA_CONFIG
+ /* Write the psa. */
+ psa_write(ioaddr, lp->hacr,
+ (char *) psa.psa_nwid - (char *) &psa,
+ (unsigned char *) psa.psa_nwid, 4);
+ psa_write(ioaddr, lp->hacr,
+ (char *) &psa.psa_thr_pre_set - (char *) &psa,
+ (unsigned char *) &psa.psa_thr_pre_set, 1);
+ psa_write(ioaddr, lp->hacr,
+ (char *) &psa.psa_quality_thr - (char *) &psa,
+ (unsigned char *) &psa.psa_quality_thr, 1);
+ psa_write(ioaddr, lp->hacr,
+ (char *) &psa.psa_conf_status - (char *) &psa,
+ (unsigned char *) &psa.psa_conf_status, 1);
+ /* update the Wavelan checksum */
+ update_psa_checksum(dev, ioaddr, lp->hacr);
+#endif
+ }
+
+ /* Zero the mmc structure. */
+ memset(&m, 0x00, sizeof(m));
+
+ /* Copy PSA info to the mmc. */
+ m.mmw_netw_id_l = psa.psa_nwid[1];
+ m.mmw_netw_id_h = psa.psa_nwid[0];
+
+ if (psa.psa_nwid_select & 1)
+ m.mmw_loopt_sel = 0x00;
+ else
+ m.mmw_loopt_sel = MMW_LOOPT_SEL_DIS_NWID;
+
+ memcpy(&m.mmw_encr_key, &psa.psa_encryption_key,
+ sizeof(m.mmw_encr_key));
+
+ if (psa.psa_encryption_select)
+ m.mmw_encr_enable =
+ MMW_ENCR_ENABLE_EN | MMW_ENCR_ENABLE_MODE;
+ else
+ m.mmw_encr_enable = 0;
+
+ m.mmw_thr_pre_set = psa.psa_thr_pre_set & 0x3F;
+ m.mmw_quality_thr = psa.psa_quality_thr & 0x0F;
+
+ /*
+ * Set default modem control parameters.
+ * See NCR document 407-0024326 Rev. A.
+ */
+ m.mmw_jabber_enable = 0x01;
+ m.mmw_freeze = 0;
+ m.mmw_anten_sel = MMW_ANTEN_SEL_ALG_EN;
+ m.mmw_ifs = 0x20;
+ m.mmw_mod_delay = 0x04;
+ m.mmw_jam_time = 0x38;
+
+ m.mmw_des_io_invert = 0;
+ m.mmw_decay_prm = 0;
+ m.mmw_decay_updat_prm = 0;
+
+ /* Write all info to MMC. */
+ mmc_write(ioaddr, 0, (u8 *) & m, sizeof(m));
+
+ /* The following code starts the modem of the 2.00 frequency
+ * selectable cards at power on. It's not strictly needed for the
+ * following boots.
+ * The original patch was by Joe Finney for the PCMCIA driver, but
+ * I've cleaned it up a bit and added documentation.
+ * Thanks to Loeke Brederveld from Lucent for the info.
+ */
+
+ /* Attempt to recognise 2.00 cards (2.4 GHz frequency selectable)
+ * Does it work for everybody, especially old cards? */
+ /* Note: WFREQSEL verifies that it is able to read a sensible
+ * frequency from EEPROM (address 0x00) and that MMR_FEE_STATUS_ID
+ * is 0xA (Xilinx version) or 0xB (Ariadne version).
+ * My test is more crude but does work. */
+ if (!(mmc_in(ioaddr, mmroff(0, mmr_fee_status)) &
+ (MMR_FEE_STATUS_DWLD | MMR_FEE_STATUS_BUSY))) {
+ /* We must download the frequency parameters to the
+ * synthesizers (from the EEPROM - area 1)
+ * Note: as the EEPROM is automatically decremented, we set the end
+ * if the area... */
+ m.mmw_fee_addr = 0x0F;
+ m.mmw_fee_ctrl = MMW_FEE_CTRL_READ | MMW_FEE_CTRL_DWLD;
+ mmc_write(ioaddr, (char *) &m.mmw_fee_ctrl - (char *) &m,
+ (unsigned char *) &m.mmw_fee_ctrl, 2);
+
+ /* Wait until the download is finished. */
+ fee_wait(ioaddr, 100, 100);
+
+#ifdef DEBUG_CONFIG_INFO
+ /* The frequency was in the last word downloaded. */
+ mmc_read(ioaddr, (char *) &m.mmw_fee_data_l - (char *) &m,
+ (unsigned char *) &m.mmw_fee_data_l, 2);
+
+ /* Print some info for the user. */
+ printk(KERN_DEBUG
+ "%s: WaveLAN 2.00 recognised (frequency select). Current frequency = %ld\n",
+ dev->name,
+ ((m.
+ mmw_fee_data_h << 4) | (m.mmw_fee_data_l >> 4)) *
+ 5 / 2 + 24000L);
+#endif
+
+ /* We must now download the power adjust value (gain) to
+ * the synthesizers (from the EEPROM - area 7 - DAC). */
+ m.mmw_fee_addr = 0x61;
+ m.mmw_fee_ctrl = MMW_FEE_CTRL_READ | MMW_FEE_CTRL_DWLD;
+ mmc_write(ioaddr, (char *) &m.mmw_fee_ctrl - (char *) &m,
+ (unsigned char *) &m.mmw_fee_ctrl, 2);
+
+ /* Wait until the download is finished. */
+ }
+ /* if 2.00 card */
+#ifdef DEBUG_CONFIG_TRACE
+ printk(KERN_DEBUG "%s: <-wv_mmc_init()\n", dev->name);
+#endif
+ return 0;
+}
+
+/*------------------------------------------------------------------*/
+/*
+ * Construct the fd and rbd structures.
+ * Start the receive unit.
+ * (called by wv_hw_reset())
+ */
+static int wv_ru_start(struct net_device * dev)
+{
+ net_local *lp = netdev_priv(dev);
+ unsigned long ioaddr = dev->base_addr;
+ u16 scb_cs;
+ fd_t fd;
+ rbd_t rbd;
+ u16 rx;
+ u16 rx_next;
+ int i;
+
+#ifdef DEBUG_CONFIG_TRACE
+ printk(KERN_DEBUG "%s: ->wv_ru_start()\n", dev->name);
+#endif
+
+ obram_read(ioaddr, scboff(OFFSET_SCB, scb_status),
+ (unsigned char *) &scb_cs, sizeof(scb_cs));
+ if ((scb_cs & SCB_ST_RUS) == SCB_ST_RUS_RDY)
+ return 0;
+
+ lp->rx_head = OFFSET_RU;
+
+ for (i = 0, rx = lp->rx_head; i < NRXBLOCKS; i++, rx = rx_next) {
+ rx_next =
+ (i == NRXBLOCKS - 1) ? lp->rx_head : rx + RXBLOCKZ;
+
+ fd.fd_status = 0;
+ fd.fd_command = (i == NRXBLOCKS - 1) ? FD_COMMAND_EL : 0;
+ fd.fd_link_offset = rx_next;
+ fd.fd_rbd_offset = rx + sizeof(fd);
+ obram_write(ioaddr, rx, (unsigned char *) &fd, sizeof(fd));
+
+ rbd.rbd_status = 0;
+ rbd.rbd_next_rbd_offset = I82586NULL;
+ rbd.rbd_bufl = rx + sizeof(fd) + sizeof(rbd);
+ rbd.rbd_bufh = 0;
+ rbd.rbd_el_size = RBD_EL | (RBD_SIZE & MAXDATAZ);
+ obram_write(ioaddr, rx + sizeof(fd),
+ (unsigned char *) &rbd, sizeof(rbd));
+
+ lp->rx_last = rx;
+ }
+
+ obram_write(ioaddr, scboff(OFFSET_SCB, scb_rfa_offset),
+ (unsigned char *) &lp->rx_head, sizeof(lp->rx_head));
+
+ scb_cs = SCB_CMD_RUC_GO;
+ obram_write(ioaddr, scboff(OFFSET_SCB, scb_command),
+ (unsigned char *) &scb_cs, sizeof(scb_cs));
+
+ set_chan_attn(ioaddr, lp->hacr);
+
+ for (i = 1000; i > 0; i--) {
+ obram_read(ioaddr, scboff(OFFSET_SCB, scb_command),
+ (unsigned char *) &scb_cs, sizeof(scb_cs));
+ if (scb_cs == 0)
+ break;
+
+ udelay(10);
+ }
+
+ if (i <= 0) {
+#ifdef DEBUG_CONFIG_ERROR
+ printk(KERN_INFO
+ "%s: wavelan_ru_start(): board not accepting command.\n",
+ dev->name);
+#endif
+ return -1;
+ }
+#ifdef DEBUG_CONFIG_TRACE
+ printk(KERN_DEBUG "%s: <-wv_ru_start()\n", dev->name);
+#endif
+ return 0;
+}
+
+/*------------------------------------------------------------------*/
+/*
+ * Initialise the transmit blocks.
+ * Start the command unit executing the NOP
+ * self-loop of the first transmit block.
+ *
+ * Here we create the list of send buffers used to transmit packets
+ * between the PC and the command unit. For each buffer, we create a
+ * buffer descriptor (pointing on the buffer), a transmit command
+ * (pointing to the buffer descriptor) and a NOP command.
+ * The transmit command is linked to the NOP, and the NOP to itself.
+ * When we will have finished executing the transmit command, we will
+ * then loop on the NOP. By releasing the NOP link to a new command,
+ * we may send another buffer.
+ *
+ * (called by wv_hw_reset())
+ */
+static int wv_cu_start(struct net_device * dev)
+{
+ net_local *lp = netdev_priv(dev);
+ unsigned long ioaddr = dev->base_addr;
+ int i;
+ u16 txblock;
+ u16 first_nop;
+ u16 scb_cs;
+
+#ifdef DEBUG_CONFIG_TRACE
+ printk(KERN_DEBUG "%s: ->wv_cu_start()\n", dev->name);
+#endif
+
+ lp->tx_first_free = OFFSET_CU;
+ lp->tx_first_in_use = I82586NULL;
+
+ for (i = 0, txblock = OFFSET_CU;
+ i < NTXBLOCKS; i++, txblock += TXBLOCKZ) {
+ ac_tx_t tx;
+ ac_nop_t nop;
+ tbd_t tbd;
+ unsigned short tx_addr;
+ unsigned short nop_addr;
+ unsigned short tbd_addr;
+ unsigned short buf_addr;
+
+ tx_addr = txblock;
+ nop_addr = tx_addr + sizeof(tx);
+ tbd_addr = nop_addr + sizeof(nop);
+ buf_addr = tbd_addr + sizeof(tbd);
+
+ tx.tx_h.ac_status = 0;
+ tx.tx_h.ac_command = acmd_transmit | AC_CFLD_I;
+ tx.tx_h.ac_link = nop_addr;
+ tx.tx_tbd_offset = tbd_addr;
+ obram_write(ioaddr, tx_addr, (unsigned char *) &tx,
+ sizeof(tx));
+
+ nop.nop_h.ac_status = 0;
+ nop.nop_h.ac_command = acmd_nop;
+ nop.nop_h.ac_link = nop_addr;
+ obram_write(ioaddr, nop_addr, (unsigned char *) &nop,
+ sizeof(nop));
+
+ tbd.tbd_status = TBD_STATUS_EOF;
+ tbd.tbd_next_bd_offset = I82586NULL;
+ tbd.tbd_bufl = buf_addr;
+ tbd.tbd_bufh = 0;
+ obram_write(ioaddr, tbd_addr, (unsigned char *) &tbd,
+ sizeof(tbd));
+ }
+
+ first_nop =
+ OFFSET_CU + (NTXBLOCKS - 1) * TXBLOCKZ + sizeof(ac_tx_t);
+ obram_write(ioaddr, scboff(OFFSET_SCB, scb_cbl_offset),
+ (unsigned char *) &first_nop, sizeof(first_nop));
+
+ scb_cs = SCB_CMD_CUC_GO;
+ obram_write(ioaddr, scboff(OFFSET_SCB, scb_command),
+ (unsigned char *) &scb_cs, sizeof(scb_cs));
+
+ set_chan_attn(ioaddr, lp->hacr);
+
+ for (i = 1000; i > 0; i--) {
+ obram_read(ioaddr, scboff(OFFSET_SCB, scb_command),
+ (unsigned char *) &scb_cs, sizeof(scb_cs));
+ if (scb_cs == 0)
+ break;
+
+ udelay(10);
+ }
+
+ if (i <= 0) {
+#ifdef DEBUG_CONFIG_ERROR
+ printk(KERN_INFO
+ "%s: wavelan_cu_start(): board not accepting command.\n",
+ dev->name);
+#endif
+ return -1;
+ }
+
+ lp->tx_n_in_use = 0;
+ netif_start_queue(dev);
+#ifdef DEBUG_CONFIG_TRACE
+ printk(KERN_DEBUG "%s: <-wv_cu_start()\n", dev->name);
+#endif
+ return 0;
+}
+
+/*------------------------------------------------------------------*/
+/*
+ * This routine does a standard configuration of the WaveLAN
+ * controller (i82586).
+ *
+ * It initialises the scp, iscp and scb structure
+ * The first two are just pointers to the next.
+ * The last one is used for basic configuration and for basic
+ * communication (interrupt status).
+ *
+ * (called by wv_hw_reset())
+ */
+static int wv_82586_start(struct net_device * dev)
+{
+ net_local *lp = netdev_priv(dev);
+ unsigned long ioaddr = dev->base_addr;
+ scp_t scp; /* system configuration pointer */
+ iscp_t iscp; /* intermediate scp */
+ scb_t scb; /* system control block */
+ ach_t cb; /* Action command header */
+ u8 zeroes[512];
+ int i;
+
+#ifdef DEBUG_CONFIG_TRACE
+ printk(KERN_DEBUG "%s: ->wv_82586_start()\n", dev->name);
+#endif
+
+ /*
+ * Clear the onboard RAM.
+ */
+ memset(&zeroes[0], 0x00, sizeof(zeroes));
+ for (i = 0; i < I82586_MEMZ; i += sizeof(zeroes))
+ obram_write(ioaddr, i, &zeroes[0], sizeof(zeroes));
+
+ /*
+ * Construct the command unit structures:
+ * scp, iscp, scb, cb.
+ */
+ memset(&scp, 0x00, sizeof(scp));
+ scp.scp_sysbus = SCP_SY_16BBUS;
+ scp.scp_iscpl = OFFSET_ISCP;
+ obram_write(ioaddr, OFFSET_SCP, (unsigned char *) &scp,
+ sizeof(scp));
+
+ memset(&iscp, 0x00, sizeof(iscp));
+ iscp.iscp_busy = 1;
+ iscp.iscp_offset = OFFSET_SCB;
+ obram_write(ioaddr, OFFSET_ISCP, (unsigned char *) &iscp,
+ sizeof(iscp));
+
+ /* Our first command is to reset the i82586. */
+ memset(&scb, 0x00, sizeof(scb));
+ scb.scb_command = SCB_CMD_RESET;
+ scb.scb_cbl_offset = OFFSET_CU;
+ scb.scb_rfa_offset = OFFSET_RU;
+ obram_write(ioaddr, OFFSET_SCB, (unsigned char *) &scb,
+ sizeof(scb));
+
+ set_chan_attn(ioaddr, lp->hacr);
+
+ /* Wait for command to finish. */
+ for (i = 1000; i > 0; i--) {
+ obram_read(ioaddr, OFFSET_ISCP, (unsigned char *) &iscp,
+ sizeof(iscp));
+
+ if (iscp.iscp_busy == (unsigned short) 0)
+ break;
+
+ udelay(10);
+ }
+
+ if (i <= 0) {
+#ifdef DEBUG_CONFIG_ERROR
+ printk(KERN_INFO
+ "%s: wv_82586_start(): iscp_busy timeout.\n",
+ dev->name);
+#endif
+ return -1;
+ }
+
+ /* Check command completion. */
+ for (i = 15; i > 0; i--) {
+ obram_read(ioaddr, OFFSET_SCB, (unsigned char *) &scb,
+ sizeof(scb));
+
+ if (scb.scb_status == (SCB_ST_CX | SCB_ST_CNA))
+ break;
+
+ udelay(10);
+ }
+
+ if (i <= 0) {
+#ifdef DEBUG_CONFIG_ERROR
+ printk(KERN_INFO
+ "%s: wv_82586_start(): status: expected 0x%02x, got 0x%02x.\n",
+ dev->name, SCB_ST_CX | SCB_ST_CNA, scb.scb_status);
+#endif
+ return -1;
+ }
+
+ wv_ack(dev);
+
+ /* Set the action command header. */
+ memset(&cb, 0x00, sizeof(cb));
+ cb.ac_command = AC_CFLD_EL | (AC_CFLD_CMD & acmd_diagnose);
+ cb.ac_link = OFFSET_CU;
+ obram_write(ioaddr, OFFSET_CU, (unsigned char *) &cb, sizeof(cb));
+
+ if (wv_synchronous_cmd(dev, "diag()") == -1)
+ return -1;
+
+ obram_read(ioaddr, OFFSET_CU, (unsigned char *) &cb, sizeof(cb));
+ if (cb.ac_status & AC_SFLD_FAIL) {
+#ifdef DEBUG_CONFIG_ERROR
+ printk(KERN_INFO
+ "%s: wv_82586_start(): i82586 Self Test failed.\n",
+ dev->name);
+#endif
+ return -1;
+ }
+#ifdef DEBUG_I82586_SHOW
+ wv_scb_show(ioaddr);
+#endif
+
+#ifdef DEBUG_CONFIG_TRACE
+ printk(KERN_DEBUG "%s: <-wv_82586_start()\n", dev->name);
+#endif
+ return 0;
+}
+
+/*------------------------------------------------------------------*/
+/*
+ * This routine does a standard configuration of the WaveLAN
+ * controller (i82586).
+ *
+ * This routine is a violent hack. We use the first free transmit block
+ * to make our configuration. In the buffer area, we create the three
+ * configuration commands (linked). We make the previous NOP point to
+ * the beginning of the buffer instead of the tx command. After, we go
+ * as usual to the NOP command.
+ * Note that only the last command (mc_set) will generate an interrupt.
+ *
+ * (called by wv_hw_reset(), wv_82586_reconfig(), wavelan_packet_xmit())
+ */
+static void wv_82586_config(struct net_device * dev)
+{
+ net_local *lp = netdev_priv(dev);
+ unsigned long ioaddr = dev->base_addr;
+ unsigned short txblock;
+ unsigned short txpred;
+ unsigned short tx_addr;
+ unsigned short nop_addr;
+ unsigned short tbd_addr;
+ unsigned short cfg_addr;
+ unsigned short ias_addr;
+ unsigned short mcs_addr;
+ ac_tx_t tx;
+ ac_nop_t nop;
+ ac_cfg_t cfg; /* Configure action */
+ ac_ias_t ias; /* IA-setup action */
+ ac_mcs_t mcs; /* Multicast setup */
+ struct dev_mc_list *dmi;
+
+#ifdef DEBUG_CONFIG_TRACE
+ printk(KERN_DEBUG "%s: ->wv_82586_config()\n", dev->name);
+#endif
+
+ /* Check nothing bad has happened */
+ if (lp->tx_n_in_use == (NTXBLOCKS - 1)) {
+#ifdef DEBUG_CONFIG_ERROR
+ printk(KERN_INFO "%s: wv_82586_config(): Tx queue full.\n",
+ dev->name);
+#endif
+ return;
+ }
+
+ /* Calculate addresses of next block and previous block. */
+ txblock = lp->tx_first_free;
+ txpred = txblock - TXBLOCKZ;
+ if (txpred < OFFSET_CU)
+ txpred += NTXBLOCKS * TXBLOCKZ;
+ lp->tx_first_free += TXBLOCKZ;
+ if (lp->tx_first_free >= OFFSET_CU + NTXBLOCKS * TXBLOCKZ)
+ lp->tx_first_free -= NTXBLOCKS * TXBLOCKZ;
+
+ lp->tx_n_in_use++;
+
+ /* Calculate addresses of the different parts of the block. */
+ tx_addr = txblock;
+ nop_addr = tx_addr + sizeof(tx);
+ tbd_addr = nop_addr + sizeof(nop);
+ cfg_addr = tbd_addr + sizeof(tbd_t); /* beginning of the buffer */
+ ias_addr = cfg_addr + sizeof(cfg);
+ mcs_addr = ias_addr + sizeof(ias);
+
+ /*
+ * Transmit command
+ */
+ tx.tx_h.ac_status = 0xFFFF; /* Fake completion value */
+ obram_write(ioaddr, toff(ac_tx_t, tx_addr, tx_h.ac_status),
+ (unsigned char *) &tx.tx_h.ac_status,
+ sizeof(tx.tx_h.ac_status));
+
+ /*
+ * NOP command
+ */
+ nop.nop_h.ac_status = 0;
+ obram_write(ioaddr, toff(ac_nop_t, nop_addr, nop_h.ac_status),
+ (unsigned char *) &nop.nop_h.ac_status,
+ sizeof(nop.nop_h.ac_status));
+ nop.nop_h.ac_link = nop_addr;
+ obram_write(ioaddr, toff(ac_nop_t, nop_addr, nop_h.ac_link),
+ (unsigned char *) &nop.nop_h.ac_link,
+ sizeof(nop.nop_h.ac_link));
+
+ /* Create a configure action. */
+ memset(&cfg, 0x00, sizeof(cfg));
+
+ /*
+ * For Linux we invert AC_CFG_ALOC() so as to conform
+ * to the way that net packets reach us from above.
+ * (See also ac_tx_t.)
+ *
+ * Updated from Wavelan Manual WCIN085B
+ */
+ cfg.cfg_byte_cnt =
+ AC_CFG_BYTE_CNT(sizeof(ac_cfg_t) - sizeof(ach_t));
+ cfg.cfg_fifolim = AC_CFG_FIFOLIM(4);
+ cfg.cfg_byte8 = AC_CFG_SAV_BF(1) | AC_CFG_SRDY(0);
+ cfg.cfg_byte9 = AC_CFG_ELPBCK(0) |
+ AC_CFG_ILPBCK(0) |
+ AC_CFG_PRELEN(AC_CFG_PLEN_2) |
+ AC_CFG_ALOC(1) | AC_CFG_ADDRLEN(WAVELAN_ADDR_SIZE);
+ cfg.cfg_byte10 = AC_CFG_BOFMET(1) |
+ AC_CFG_ACR(6) | AC_CFG_LINPRIO(0);
+ cfg.cfg_ifs = 0x20;
+ cfg.cfg_slotl = 0x0C;
+ cfg.cfg_byte13 = AC_CFG_RETRYNUM(15) | AC_CFG_SLTTMHI(0);
+ cfg.cfg_byte14 = AC_CFG_FLGPAD(0) |
+ AC_CFG_BTSTF(0) |
+ AC_CFG_CRC16(0) |
+ AC_CFG_NCRC(0) |
+ AC_CFG_TNCRS(1) |
+ AC_CFG_MANCH(0) |
+ AC_CFG_BCDIS(0) | AC_CFG_PRM(lp->promiscuous);
+ cfg.cfg_byte15 = AC_CFG_ICDS(0) |
+ AC_CFG_CDTF(0) | AC_CFG_ICSS(0) | AC_CFG_CSTF(0);
+/*
+ cfg.cfg_min_frm_len = AC_CFG_MNFRM(64);
+*/
+ cfg.cfg_min_frm_len = AC_CFG_MNFRM(8);
+
+ cfg.cfg_h.ac_command = (AC_CFLD_CMD & acmd_configure);
+ cfg.cfg_h.ac_link = ias_addr;
+ obram_write(ioaddr, cfg_addr, (unsigned char *) &cfg, sizeof(cfg));
+
+ /* Set up the MAC address */
+ memset(&ias, 0x00, sizeof(ias));
+ ias.ias_h.ac_command = (AC_CFLD_CMD & acmd_ia_setup);
+ ias.ias_h.ac_link = mcs_addr;
+ memcpy(&ias.ias_addr[0], (unsigned char *) &dev->dev_addr[0],
+ sizeof(ias.ias_addr));
+ obram_write(ioaddr, ias_addr, (unsigned char *) &ias, sizeof(ias));
+
+ /* Initialize adapter's Ethernet multicast addresses */
+ memset(&mcs, 0x00, sizeof(mcs));
+ mcs.mcs_h.ac_command = AC_CFLD_I | (AC_CFLD_CMD & acmd_mc_setup);
+ mcs.mcs_h.ac_link = nop_addr;
+ mcs.mcs_cnt = WAVELAN_ADDR_SIZE * lp->mc_count;
+ obram_write(ioaddr, mcs_addr, (unsigned char *) &mcs, sizeof(mcs));
+
+ /* Any address to set? */
+ if (lp->mc_count) {
+ for (dmi = dev->mc_list; dmi; dmi = dmi->next)
+ outsw(PIOP1(ioaddr), (u16 *) dmi->dmi_addr,
+ WAVELAN_ADDR_SIZE >> 1);
+
+#ifdef DEBUG_CONFIG_INFO
+ printk(KERN_DEBUG
+ "%s: wv_82586_config(): set %d multicast addresses:\n",
+ dev->name, lp->mc_count);
+ for (dmi = dev->mc_list; dmi; dmi = dmi->next)
+ printk(KERN_DEBUG " %pM\n", dmi->dmi_addr);
+#endif
+ }
+
+ /*
+ * Overwrite the predecessor NOP link
+ * so that it points to the configure action.
+ */
+ nop_addr = txpred + sizeof(tx);
+ nop.nop_h.ac_status = 0;
+ obram_write(ioaddr, toff(ac_nop_t, nop_addr, nop_h.ac_status),
+ (unsigned char *) &nop.nop_h.ac_status,
+ sizeof(nop.nop_h.ac_status));
+ nop.nop_h.ac_link = cfg_addr;
+ obram_write(ioaddr, toff(ac_nop_t, nop_addr, nop_h.ac_link),
+ (unsigned char *) &nop.nop_h.ac_link,
+ sizeof(nop.nop_h.ac_link));
+
+ /* Job done, clear the flag */
+ lp->reconfig_82586 = 0;
+
+ if (lp->tx_first_in_use == I82586NULL)
+ lp->tx_first_in_use = txblock;
+
+ if (lp->tx_n_in_use == (NTXBLOCKS - 1))
+ netif_stop_queue(dev);
+
+#ifdef DEBUG_CONFIG_TRACE
+ printk(KERN_DEBUG "%s: <-wv_82586_config()\n", dev->name);
+#endif
+}
+
+/*------------------------------------------------------------------*/
+/*
+ * This routine, called by wavelan_close(), gracefully stops the
+ * WaveLAN controller (i82586).
+ * (called by wavelan_close())
+ */
+static void wv_82586_stop(struct net_device * dev)
+{
+ net_local *lp = netdev_priv(dev);
+ unsigned long ioaddr = dev->base_addr;
+ u16 scb_cmd;
+
+#ifdef DEBUG_CONFIG_TRACE
+ printk(KERN_DEBUG "%s: ->wv_82586_stop()\n", dev->name);
+#endif
+
+ /* Suspend both command unit and receive unit. */
+ scb_cmd =
+ (SCB_CMD_CUC & SCB_CMD_CUC_SUS) | (SCB_CMD_RUC &
+ SCB_CMD_RUC_SUS);
+ obram_write(ioaddr, scboff(OFFSET_SCB, scb_command),
+ (unsigned char *) &scb_cmd, sizeof(scb_cmd));
+ set_chan_attn(ioaddr, lp->hacr);
+
+ /* No more interrupts */
+ wv_ints_off(dev);
+
+#ifdef DEBUG_CONFIG_TRACE
+ printk(KERN_DEBUG "%s: <-wv_82586_stop()\n", dev->name);
+#endif
+}
+
+/*------------------------------------------------------------------*/
+/*
+ * Totally reset the WaveLAN and restart it.
+ * Performs the following actions:
+ * 1. A power reset (reset DMA)
+ * 2. Initialize the radio modem (using wv_mmc_init)
+ * 3. Reset & Configure LAN controller (using wv_82586_start)
+ * 4. Start the LAN controller's command unit
+ * 5. Start the LAN controller's receive unit
+ * (called by wavelan_interrupt(), wavelan_watchdog() & wavelan_open())
+ */
+static int wv_hw_reset(struct net_device * dev)
+{
+ net_local *lp = netdev_priv(dev);
+ unsigned long ioaddr = dev->base_addr;
+
+#ifdef DEBUG_CONFIG_TRACE
+ printk(KERN_DEBUG "%s: ->wv_hw_reset(dev=0x%x)\n", dev->name,
+ (unsigned int) dev);
+#endif
+
+ /* Increase the number of resets done. */
+ lp->nresets++;
+
+ wv_hacr_reset(ioaddr);
+ lp->hacr = HACR_DEFAULT;
+
+ if ((wv_mmc_init(dev) < 0) || (wv_82586_start(dev) < 0))
+ return -1;
+
+ /* Enable the card to send interrupts. */
+ wv_ints_on(dev);
+
+ /* Start card functions */
+ if (wv_cu_start(dev) < 0)
+ return -1;
+
+ /* Setup the controller and parameters */
+ wv_82586_config(dev);
+
+ /* Finish configuration with the receive unit */
+ if (wv_ru_start(dev) < 0)
+ return -1;
+
+#ifdef DEBUG_CONFIG_TRACE
+ printk(KERN_DEBUG "%s: <-wv_hw_reset()\n", dev->name);
+#endif
+ return 0;
+}
+
+/*------------------------------------------------------------------*/
+/*
+ * Check if there is a WaveLAN at the specific base address.
+ * As a side effect, this reads the MAC address.
+ * (called in wavelan_probe() and init_module())
+ */
+static int wv_check_ioaddr(unsigned long ioaddr, u8 * mac)
+{
+ int i; /* Loop counter */
+
+ /* Check if the base address if available. */
+ if (!request_region(ioaddr, sizeof(ha_t), "wavelan probe"))
+ return -EBUSY; /* ioaddr already used */
+
+ /* Reset host interface */
+ wv_hacr_reset(ioaddr);
+
+ /* Read the MAC address from the parameter storage area. */
+ psa_read(ioaddr, HACR_DEFAULT, psaoff(0, psa_univ_mac_addr),
+ mac, 6);
+
+ release_region(ioaddr, sizeof(ha_t));
+
+ /*
+ * Check the first three octets of the address for the manufacturer's code.
+ * Note: if this can't find your WaveLAN card, you've got a
+ * non-NCR/AT&T/Lucent ISA card. See wavelan.p.h for detail on
+ * how to configure your card.
+ */
+ for (i = 0; i < ARRAY_SIZE(MAC_ADDRESSES); i++)
+ if ((mac[0] == MAC_ADDRESSES[i][0]) &&
+ (mac[1] == MAC_ADDRESSES[i][1]) &&
+ (mac[2] == MAC_ADDRESSES[i][2]))
+ return 0;
+
+#ifdef DEBUG_CONFIG_INFO
+ printk(KERN_WARNING
+ "WaveLAN (0x%3X): your MAC address might be %02X:%02X:%02X.\n",
+ ioaddr, mac[0], mac[1], mac[2]);
+#endif
+ return -ENODEV;
+}
+
+/************************ INTERRUPT HANDLING ************************/
+
+/*
+ * This function is the interrupt handler for the WaveLAN card. This
+ * routine will be called whenever:
+ */
+static irqreturn_t wavelan_interrupt(int irq, void *dev_id)
+{
+ struct net_device *dev;
+ unsigned long ioaddr;
+ net_local *lp;
+ u16 hasr;
+ u16 status;
+ u16 ack_cmd;
+
+ dev = dev_id;
+
+#ifdef DEBUG_INTERRUPT_TRACE
+ printk(KERN_DEBUG "%s: ->wavelan_interrupt()\n", dev->name);
+#endif
+
+ lp = netdev_priv(dev);
+ ioaddr = dev->base_addr;
+
+#ifdef DEBUG_INTERRUPT_INFO
+ /* Check state of our spinlock */
+ if(spin_is_locked(&lp->spinlock))
+ printk(KERN_DEBUG
+ "%s: wavelan_interrupt(): spinlock is already locked !!!\n",
+ dev->name);
+#endif
+
+ /* Prevent reentrancy. We need to do that because we may have
+ * multiple interrupt handler running concurrently.
+ * It is safe because interrupts are disabled before acquiring
+ * the spinlock. */
+ spin_lock(&lp->spinlock);
+
+ /* We always had spurious interrupts at startup, but lately I
+ * saw them comming *between* the request_irq() and the
+ * spin_lock_irqsave() in wavelan_open(), so the spinlock
+ * protection is no enough.
+ * So, we also check lp->hacr that will tell us is we enabled
+ * irqs or not (see wv_ints_on()).
+ * We can't use netif_running(dev) because we depend on the
+ * proper processing of the irq generated during the config. */
+
+ /* Which interrupt it is ? */
+ hasr = hasr_read(ioaddr);
+
+#ifdef DEBUG_INTERRUPT_INFO
+ printk(KERN_INFO
+ "%s: wavelan_interrupt(): hasr 0x%04x; hacr 0x%04x.\n",
+ dev->name, hasr, lp->hacr);
+#endif
+
+ /* Check modem interrupt */
+ if ((hasr & HASR_MMC_INTR) && (lp->hacr & HACR_MMC_INT_ENABLE)) {
+ u8 dce_status;
+
+ /*
+ * Interrupt from the modem management controller.
+ * This will clear it -- ignored for now.
+ */
+ mmc_read(ioaddr, mmroff(0, mmr_dce_status), &dce_status,
+ sizeof(dce_status));
+
+#ifdef DEBUG_INTERRUPT_ERROR
+ printk(KERN_INFO
+ "%s: wavelan_interrupt(): unexpected mmc interrupt: status 0x%04x.\n",
+ dev->name, dce_status);
+#endif
+ }
+
+ /* Check if not controller interrupt */
+ if (((hasr & HASR_82586_INTR) == 0) ||
+ ((lp->hacr & HACR_82586_INT_ENABLE) == 0)) {
+#ifdef DEBUG_INTERRUPT_ERROR
+ printk(KERN_INFO
+ "%s: wavelan_interrupt(): interrupt not coming from i82586 - hasr 0x%04x.\n",
+ dev->name, hasr);
+#endif
+ spin_unlock (&lp->spinlock);
+ return IRQ_NONE;
+ }
+
+ /* Read interrupt data. */
+ obram_read(ioaddr, scboff(OFFSET_SCB, scb_status),
+ (unsigned char *) &status, sizeof(status));
+
+ /*
+ * Acknowledge the interrupt(s).
+ */
+ ack_cmd = status & SCB_ST_INT;
+ obram_write(ioaddr, scboff(OFFSET_SCB, scb_command),
+ (unsigned char *) &ack_cmd, sizeof(ack_cmd));
+ set_chan_attn(ioaddr, lp->hacr);
+
+#ifdef DEBUG_INTERRUPT_INFO
+ printk(KERN_DEBUG "%s: wavelan_interrupt(): status 0x%04x.\n",
+ dev->name, status);
+#endif
+
+ /* Command completed. */
+ if ((status & SCB_ST_CX) == SCB_ST_CX) {
+#ifdef DEBUG_INTERRUPT_INFO
+ printk(KERN_DEBUG
+ "%s: wavelan_interrupt(): command completed.\n",
+ dev->name);
+#endif
+ wv_complete(dev, ioaddr, lp);
+ }
+
+ /* Frame received. */
+ if ((status & SCB_ST_FR) == SCB_ST_FR) {
+#ifdef DEBUG_INTERRUPT_INFO
+ printk(KERN_DEBUG
+ "%s: wavelan_interrupt(): received packet.\n",
+ dev->name);
+#endif
+ wv_receive(dev);
+ }
+
+ /* Check the state of the command unit. */
+ if (((status & SCB_ST_CNA) == SCB_ST_CNA) ||
+ (((status & SCB_ST_CUS) != SCB_ST_CUS_ACTV) &&
+ (netif_running(dev)))) {
+#ifdef DEBUG_INTERRUPT_ERROR
+ printk(KERN_INFO
+ "%s: wavelan_interrupt(): CU inactive -- restarting\n",
+ dev->name);
+#endif
+ wv_hw_reset(dev);
+ }
+
+ /* Check the state of the command unit. */
+ if (((status & SCB_ST_RNR) == SCB_ST_RNR) ||
+ (((status & SCB_ST_RUS) != SCB_ST_RUS_RDY) &&
+ (netif_running(dev)))) {
+#ifdef DEBUG_INTERRUPT_ERROR
+ printk(KERN_INFO
+ "%s: wavelan_interrupt(): RU not ready -- restarting\n",
+ dev->name);
+#endif
+ wv_hw_reset(dev);
+ }
+
+ /* Release spinlock */
+ spin_unlock (&lp->spinlock);
+
+#ifdef DEBUG_INTERRUPT_TRACE
+ printk(KERN_DEBUG "%s: <-wavelan_interrupt()\n", dev->name);
+#endif
+ return IRQ_HANDLED;
+}
+
+/*------------------------------------------------------------------*/
+/*
+ * Watchdog: when we start a transmission, a timer is set for us in the
+ * kernel. If the transmission completes, this timer is disabled. If
+ * the timer expires, we are called and we try to unlock the hardware.
+ */
+static void wavelan_watchdog(struct net_device * dev)
+{
+ net_local *lp = netdev_priv(dev);
+ u_long ioaddr = dev->base_addr;
+ unsigned long flags;
+ unsigned int nreaped;
+
+#ifdef DEBUG_INTERRUPT_TRACE
+ printk(KERN_DEBUG "%s: ->wavelan_watchdog()\n", dev->name);
+#endif
+
+#ifdef DEBUG_INTERRUPT_ERROR
+ printk(KERN_INFO "%s: wavelan_watchdog: watchdog timer expired\n",
+ dev->name);
+#endif
+
+ /* Check that we came here for something */
+ if (lp->tx_n_in_use <= 0) {
+ return;
+ }
+
+ spin_lock_irqsave(&lp->spinlock, flags);
+
+ /* Try to see if some buffers are not free (in case we missed
+ * an interrupt */
+ nreaped = wv_complete(dev, ioaddr, lp);
+
+#ifdef DEBUG_INTERRUPT_INFO
+ printk(KERN_DEBUG
+ "%s: wavelan_watchdog(): %d reaped, %d remain.\n",
+ dev->name, nreaped, lp->tx_n_in_use);
+#endif
+
+#ifdef DEBUG_PSA_SHOW
+ {
+ psa_t psa;
+ psa_read(dev, 0, (unsigned char *) &psa, sizeof(psa));
+ wv_psa_show(&psa);
+ }
+#endif
+#ifdef DEBUG_MMC_SHOW
+ wv_mmc_show(dev);
+#endif
+#ifdef DEBUG_I82586_SHOW
+ wv_cu_show(dev);
+#endif
+
+ /* If no buffer has been freed */
+ if (nreaped == 0) {
+#ifdef DEBUG_INTERRUPT_ERROR
+ printk(KERN_INFO
+ "%s: wavelan_watchdog(): cleanup failed, trying reset\n",
+ dev->name);
+#endif
+ wv_hw_reset(dev);
+ }
+
+ /* At this point, we should have some free Tx buffer ;-) */
+ if (lp->tx_n_in_use < NTXBLOCKS - 1)
+ netif_wake_queue(dev);
+
+ spin_unlock_irqrestore(&lp->spinlock, flags);
+
+#ifdef DEBUG_INTERRUPT_TRACE
+ printk(KERN_DEBUG "%s: <-wavelan_watchdog()\n", dev->name);
+#endif
+}
+
+/********************* CONFIGURATION CALLBACKS *********************/
+/*
+ * Here are the functions called by the Linux networking code (NET3)
+ * for initialization, configuration and deinstallations of the
+ * WaveLAN ISA hardware.
+ */
+
+/*------------------------------------------------------------------*/
+/*
+ * Configure and start up the WaveLAN PCMCIA adaptor.
+ * Called by NET3 when it "opens" the device.
+ */
+static int wavelan_open(struct net_device * dev)
+{
+ net_local *lp = netdev_priv(dev);
+ unsigned long flags;
+
+#ifdef DEBUG_CALLBACK_TRACE
+ printk(KERN_DEBUG "%s: ->wavelan_open(dev=0x%x)\n", dev->name,
+ (unsigned int) dev);
+#endif
+
+ /* Check irq */
+ if (dev->irq == 0) {
+#ifdef DEBUG_CONFIG_ERROR
+ printk(KERN_WARNING "%s: wavelan_open(): no IRQ\n",
+ dev->name);
+#endif
+ return -ENXIO;
+ }
+
+ if (request_irq(dev->irq, &wavelan_interrupt, 0, "WaveLAN", dev) != 0)
+ {
+#ifdef DEBUG_CONFIG_ERROR
+ printk(KERN_WARNING "%s: wavelan_open(): invalid IRQ\n",
+ dev->name);
+#endif
+ return -EAGAIN;
+ }
+
+ spin_lock_irqsave(&lp->spinlock, flags);
+
+ if (wv_hw_reset(dev) != -1) {
+ netif_start_queue(dev);
+ } else {
+ free_irq(dev->irq, dev);
+#ifdef DEBUG_CONFIG_ERROR
+ printk(KERN_INFO
+ "%s: wavelan_open(): impossible to start the card\n",
+ dev->name);
+#endif
+ spin_unlock_irqrestore(&lp->spinlock, flags);
+ return -EAGAIN;
+ }
+ spin_unlock_irqrestore(&lp->spinlock, flags);
+
+#ifdef DEBUG_CALLBACK_TRACE
+ printk(KERN_DEBUG "%s: <-wavelan_open()\n", dev->name);
+#endif
+ return 0;
+}
+
+/*------------------------------------------------------------------*/
+/*
+ * Shut down the WaveLAN ISA card.
+ * Called by NET3 when it "closes" the device.
+ */
+static int wavelan_close(struct net_device * dev)
+{
+ net_local *lp = netdev_priv(dev);
+ unsigned long flags;
+
+#ifdef DEBUG_CALLBACK_TRACE
+ printk(KERN_DEBUG "%s: ->wavelan_close(dev=0x%x)\n", dev->name,
+ (unsigned int) dev);
+#endif
+
+ netif_stop_queue(dev);
+
+ /*
+ * Flush the Tx and disable Rx.
+ */
+ spin_lock_irqsave(&lp->spinlock, flags);
+ wv_82586_stop(dev);
+ spin_unlock_irqrestore(&lp->spinlock, flags);
+
+ free_irq(dev->irq, dev);
+
+#ifdef DEBUG_CALLBACK_TRACE
+ printk(KERN_DEBUG "%s: <-wavelan_close()\n", dev->name);
+#endif
+ return 0;
+}
+
+static const struct net_device_ops wavelan_netdev_ops = {
+ .ndo_open = wavelan_open,
+ .ndo_stop = wavelan_close,
+ .ndo_start_xmit = wavelan_packet_xmit,
+ .ndo_set_multicast_list = wavelan_set_multicast_list,
+ .ndo_tx_timeout = wavelan_watchdog,
+ .ndo_change_mtu = eth_change_mtu,
+ .ndo_validate_addr = eth_validate_addr,
+#ifdef SET_MAC_ADDRESS
+ .ndo_set_mac_address = wavelan_set_mac_address
+#else
+ .ndo_set_mac_address = eth_mac_addr,
+#endif
+};
+
+
+/*------------------------------------------------------------------*/
+/*
+ * Probe an I/O address, and if the WaveLAN is there configure the
+ * device structure
+ * (called by wavelan_probe() and via init_module()).
+ */
+static int __init wavelan_config(struct net_device *dev, unsigned short ioaddr)
+{
+ u8 irq_mask;
+ int irq;
+ net_local *lp;
+ mac_addr mac;
+ int err;
+
+ if (!request_region(ioaddr, sizeof(ha_t), "wavelan"))
+ return -EADDRINUSE;
+
+ err = wv_check_ioaddr(ioaddr, mac);
+ if (err)
+ goto out;
+
+ memcpy(dev->dev_addr, mac, 6);
+
+ dev->base_addr = ioaddr;
+
+#ifdef DEBUG_CALLBACK_TRACE
+ printk(KERN_DEBUG "%s: ->wavelan_config(dev=0x%x, ioaddr=0x%lx)\n",
+ dev->name, (unsigned int) dev, ioaddr);
+#endif
+
+ /* Check IRQ argument on command line. */
+ if (dev->irq != 0) {
+ irq_mask = wv_irq_to_psa(dev->irq);
+
+ if (irq_mask == 0) {
+#ifdef DEBUG_CONFIG_ERROR
+ printk(KERN_WARNING
+ "%s: wavelan_config(): invalid IRQ %d ignored.\n",
+ dev->name, dev->irq);
+#endif
+ dev->irq = 0;
+ } else {
+#ifdef DEBUG_CONFIG_INFO
+ printk(KERN_DEBUG
+ "%s: wavelan_config(): changing IRQ to %d\n",
+ dev->name, dev->irq);
+#endif
+ psa_write(ioaddr, HACR_DEFAULT,
+ psaoff(0, psa_int_req_no), &irq_mask, 1);
+ /* update the Wavelan checksum */
+ update_psa_checksum(dev, ioaddr, HACR_DEFAULT);
+ wv_hacr_reset(ioaddr);
+ }
+ }
+
+ psa_read(ioaddr, HACR_DEFAULT, psaoff(0, psa_int_req_no),
+ &irq_mask, 1);
+ if ((irq = wv_psa_to_irq(irq_mask)) == -1) {
+#ifdef DEBUG_CONFIG_ERROR
+ printk(KERN_INFO
+ "%s: wavelan_config(): could not wavelan_map_irq(%d).\n",
+ dev->name, irq_mask);
+#endif
+ err = -EAGAIN;
+ goto out;
+ }
+
+ dev->irq = irq;
+
+ dev->mem_start = 0x0000;
+ dev->mem_end = 0x0000;
+ dev->if_port = 0;
+
+ /* Initialize device structures */
+ memset(netdev_priv(dev), 0, sizeof(net_local));
+ lp = netdev_priv(dev);
+
+ /* Back link to the device structure. */
+ lp->dev = dev;
+ /* Add the device at the beginning of the linked list. */
+ lp->next = wavelan_list;
+ wavelan_list = lp;
+
+ lp->hacr = HACR_DEFAULT;
+
+ /* Multicast stuff */
+ lp->promiscuous = 0;
+ lp->mc_count = 0;
+
+ /* Init spinlock */
+ spin_lock_init(&lp->spinlock);
+
+ dev->netdev_ops = &wavelan_netdev_ops;
+ dev->watchdog_timeo = WATCHDOG_JIFFIES;
+ dev->wireless_handlers = &wavelan_handler_def;
+ lp->wireless_data.spy_data = &lp->spy_data;
+ dev->wireless_data = &lp->wireless_data;
+
+ dev->mtu = WAVELAN_MTU;
+
+ /* Display nice information. */
+ wv_init_info(dev);
+
+#ifdef DEBUG_CALLBACK_TRACE
+ printk(KERN_DEBUG "%s: <-wavelan_config()\n", dev->name);
+#endif
+ return 0;
+out:
+ release_region(ioaddr, sizeof(ha_t));
+ return err;
+}
+
+/*------------------------------------------------------------------*/
+/*
+ * Check for a network adaptor of this type. Return '0' iff one
+ * exists. There seem to be different interpretations of
+ * the initial value of dev->base_addr.
+ * We follow the example in drivers/net/ne.c.
+ * (called in "Space.c")
+ */
+struct net_device * __init wavelan_probe(int unit)
+{
+ struct net_device *dev;
+ short base_addr;
+ int def_irq;
+ int i;
+ int r = 0;
+
+ /* compile-time check the sizes of structures */
+ BUILD_BUG_ON(sizeof(psa_t) != PSA_SIZE);
+ BUILD_BUG_ON(sizeof(mmw_t) != MMW_SIZE);
+ BUILD_BUG_ON(sizeof(mmr_t) != MMR_SIZE);
+ BUILD_BUG_ON(sizeof(ha_t) != HA_SIZE);
+
+ dev = alloc_etherdev(sizeof(net_local));
+ if (!dev)
+ return ERR_PTR(-ENOMEM);
+
+ sprintf(dev->name, "eth%d", unit);
+ netdev_boot_setup_check(dev);
+ base_addr = dev->base_addr;
+ def_irq = dev->irq;
+
+#ifdef DEBUG_CALLBACK_TRACE
+ printk(KERN_DEBUG
+ "%s: ->wavelan_probe(dev=%p (base_addr=0x%x))\n",
+ dev->name, dev, (unsigned int) dev->base_addr);
+#endif
+
+ /* Don't probe at all. */
+ if (base_addr < 0) {
+#ifdef DEBUG_CONFIG_ERROR
+ printk(KERN_WARNING
+ "%s: wavelan_probe(): invalid base address\n",
+ dev->name);
+#endif
+ r = -ENXIO;
+ } else if (base_addr > 0x100) { /* Check a single specified location. */
+ r = wavelan_config(dev, base_addr);
+#ifdef DEBUG_CONFIG_INFO
+ if (r != 0)
+ printk(KERN_DEBUG
+ "%s: wavelan_probe(): no device at specified base address (0x%X) or address already in use\n",
+ dev->name, base_addr);
+#endif
+
+#ifdef DEBUG_CALLBACK_TRACE
+ printk(KERN_DEBUG "%s: <-wavelan_probe()\n", dev->name);
+#endif
+ } else { /* Scan all possible addresses of the WaveLAN hardware. */
+ for (i = 0; i < ARRAY_SIZE(iobase); i++) {
+ dev->irq = def_irq;
+ if (wavelan_config(dev, iobase[i]) == 0) {
+#ifdef DEBUG_CALLBACK_TRACE
+ printk(KERN_DEBUG
+ "%s: <-wavelan_probe()\n",
+ dev->name);
+#endif
+ break;
+ }
+ }
+ if (i == ARRAY_SIZE(iobase))
+ r = -ENODEV;
+ }
+ if (r)
+ goto out;
+ r = register_netdev(dev);
+ if (r)
+ goto out1;
+ return dev;
+out1:
+ release_region(dev->base_addr, sizeof(ha_t));
+ wavelan_list = wavelan_list->next;
+out:
+ free_netdev(dev);
+ return ERR_PTR(r);
+}
+
+/****************************** MODULE ******************************/
+/*
+ * Module entry point: insertion and removal
+ */
+
+#ifdef MODULE
+/*------------------------------------------------------------------*/
+/*
+ * Insertion of the module
+ * I'm now quite proud of the multi-device support.
+ */
+int __init init_module(void)
+{
+ int ret = -EIO; /* Return error if no cards found */
+ int i;
+
+#ifdef DEBUG_MODULE_TRACE
+ printk(KERN_DEBUG "-> init_module()\n");
+#endif
+
+ /* If probing is asked */
+ if (io[0] == 0) {
+#ifdef DEBUG_CONFIG_ERROR
+ printk(KERN_WARNING
+ "WaveLAN init_module(): doing device probing (bad !)\n");
+ printk(KERN_WARNING
+ "Specify base addresses while loading module to correct the problem\n");
+#endif
+
+ /* Copy the basic set of address to be probed. */
+ for (i = 0; i < ARRAY_SIZE(iobase); i++)
+ io[i] = iobase[i];
+ }
+
+
+ /* Loop on all possible base addresses. */
+ for (i = 0; i < ARRAY_SIZE(io) && io[i] != 0; i++) {
+ struct net_device *dev = alloc_etherdev(sizeof(net_local));
+ if (!dev)
+ break;
+ if (name[i])
+ strcpy(dev->name, name[i]); /* Copy name */
+ dev->base_addr = io[i];
+ dev->irq = irq[i];
+
+ /* Check if there is something at this base address. */
+ if (wavelan_config(dev, io[i]) == 0) {
+ if (register_netdev(dev) != 0) {
+ release_region(dev->base_addr, sizeof(ha_t));
+ wavelan_list = wavelan_list->next;
+ } else {
+ ret = 0;
+ continue;
+ }
+ }
+ free_netdev(dev);
+ }
+
+#ifdef DEBUG_CONFIG_ERROR
+ if (!wavelan_list)
+ printk(KERN_WARNING
+ "WaveLAN init_module(): no device found\n");
+#endif
+
+#ifdef DEBUG_MODULE_TRACE
+ printk(KERN_DEBUG "<- init_module()\n");
+#endif
+ return ret;
+}
+
+/*------------------------------------------------------------------*/
+/*
+ * Removal of the module
+ */
+void cleanup_module(void)
+{
+#ifdef DEBUG_MODULE_TRACE
+ printk(KERN_DEBUG "-> cleanup_module()\n");
+#endif
+
+ /* Loop on all devices and release them. */
+ while (wavelan_list) {
+ struct net_device *dev = wavelan_list->dev;
+
+#ifdef DEBUG_CONFIG_INFO
+ printk(KERN_DEBUG
+ "%s: cleanup_module(): removing device at 0x%x\n",
+ dev->name, (unsigned int) dev);
+#endif
+ unregister_netdev(dev);
+
+ release_region(dev->base_addr, sizeof(ha_t));
+ wavelan_list = wavelan_list->next;
+
+ free_netdev(dev);
+ }
+
+#ifdef DEBUG_MODULE_TRACE
+ printk(KERN_DEBUG "<- cleanup_module()\n");
+#endif
+}
+#endif /* MODULE */
+MODULE_LICENSE("GPL");
+
+/*
+ * This software may only be used and distributed
+ * according to the terms of the GNU General Public License.
+ *
+ * This software was developed as a component of the
+ * Linux operating system.
+ * It is based on other device drivers and information
+ * either written or supplied by:
+ * Ajay Bakre (bakre@paul.rutgers.edu),
+ * Donald Becker (becker@scyld.com),
+ * Loeke Brederveld (Loeke.Brederveld@Utrecht.NCR.com),
+ * Anders Klemets (klemets@it.kth.se),
+ * Vladimir V. Kolpakov (w@stier.koenig.ru),
+ * Marc Meertens (Marc.Meertens@Utrecht.NCR.com),
+ * Pauline Middelink (middelin@polyware.iaf.nl),
+ * Robert Morris (rtm@das.harvard.edu),
+ * Jean Tourrilhes (jt@hplb.hpl.hp.com),
+ * Girish Welling (welling@paul.rutgers.edu),
+ *
+ * Thanks go also to:
+ * James Ashton (jaa101@syseng.anu.edu.au),
+ * Alan Cox (alan@lxorguk.ukuu.org.uk),
+ * Allan Creighton (allanc@cs.usyd.edu.au),
+ * Matthew Geier (matthew@cs.usyd.edu.au),
+ * Remo di Giovanni (remo@cs.usyd.edu.au),
+ * Eckhard Grah (grah@wrcs1.urz.uni-wuppertal.de),
+ * Vipul Gupta (vgupta@cs.binghamton.edu),
+ * Mark Hagan (mhagan@wtcpost.daytonoh.NCR.COM),
+ * Tim Nicholson (tim@cs.usyd.edu.au),
+ * Ian Parkin (ian@cs.usyd.edu.au),
+ * John Rosenberg (johnr@cs.usyd.edu.au),
+ * George Rossi (george@phm.gov.au),
+ * Arthur Scott (arthur@cs.usyd.edu.au),
+ * Peter Storey,
+ * for their assistance and advice.
+ *
+ * Please send bug reports, updates, comments to:
+ *
+ * Bruce Janson Email: bruce@cs.usyd.edu.au
+ * Basser Department of Computer Science Phone: +61-2-9351-3423
+ * University of Sydney, N.S.W., 2006, AUSTRALIA Fax: +61-2-9351-3838
+ */
--- /dev/null
+/*
+ * WaveLAN ISA driver
+ *
+ * Jean II - HPLB '96
+ *
+ * Reorganisation and extension of the driver.
+ * Original copyright follows. See wavelan.p.h for details.
+ *
+ * This file contains the declarations for the WaveLAN hardware. Note that
+ * the WaveLAN ISA includes a i82586 controller (see definitions in
+ * file i82586.h).
+ *
+ * The main difference between the ISA hardware and the PCMCIA one is
+ * the Ethernet controller (i82586 instead of i82593).
+ * The i82586 allows multiple transmit buffers. The PSA needs to be accessed
+ * through the host interface.
+ */
+
+#ifndef _WAVELAN_H
+#define _WAVELAN_H
+
+/************************** MAGIC NUMBERS ***************************/
+
+/* Detection of the WaveLAN card is done by reading the MAC
+ * address from the card and checking it. If you have a non-AT&T
+ * product (OEM, like DEC RoamAbout, Digital Ocean, or Epson),
+ * you might need to modify this part to accommodate your hardware.
+ */
+static const char MAC_ADDRESSES[][3] =
+{
+ { 0x08, 0x00, 0x0E }, /* AT&T WaveLAN (standard) & DEC RoamAbout */
+ { 0x08, 0x00, 0x6A }, /* AT&T WaveLAN (alternate) */
+ { 0x00, 0x00, 0xE1 }, /* Hitachi Wavelan */
+ { 0x00, 0x60, 0x1D } /* Lucent Wavelan (another one) */
+ /* Add your card here and send me the patch! */
+};
+
+#define WAVELAN_ADDR_SIZE 6 /* Size of a MAC address */
+
+#define WAVELAN_MTU 1500 /* Maximum size of WaveLAN packet */
+
+#define MAXDATAZ (WAVELAN_ADDR_SIZE + WAVELAN_ADDR_SIZE + 2 + WAVELAN_MTU)
+
+/*
+ * Constants used to convert channels to frequencies
+ */
+
+/* Frequency available in the 2.0 modem, in units of 250 kHz
+ * (as read in the offset register of the dac area).
+ * Used to map channel numbers used by `wfreqsel' to frequencies
+ */
+static const short channel_bands[] = { 0x30, 0x58, 0x64, 0x7A, 0x80, 0xA8,
+ 0xD0, 0xF0, 0xF8, 0x150 };
+
+/* Frequencies of the 1.0 modem (fixed frequencies).
+ * Use to map the PSA `subband' to a frequency
+ * Note : all frequencies apart from the first one need to be multiplied by 10
+ */
+static const int fixed_bands[] = { 915e6, 2.425e8, 2.46e8, 2.484e8, 2.4305e8 };
+
+
+
+/*************************** PC INTERFACE ****************************/
+
+/*
+ * Host Adaptor structure.
+ * (base is board port address).
+ */
+typedef union hacs_u hacs_u;
+union hacs_u
+{
+ unsigned short hu_command; /* Command register */
+#define HACR_RESET 0x0001 /* Reset board */
+#define HACR_CA 0x0002 /* Set Channel Attention for 82586 */
+#define HACR_16BITS 0x0004 /* 16-bit operation (0 => 8bits) */
+#define HACR_OUT0 0x0008 /* General purpose output pin 0 */
+ /* not used - must be 1 */
+#define HACR_OUT1 0x0010 /* General purpose output pin 1 */
+ /* not used - must be 1 */
+#define HACR_82586_INT_ENABLE 0x0020 /* Enable 82586 interrupts */
+#define HACR_MMC_INT_ENABLE 0x0040 /* Enable MMC interrupts */
+#define HACR_INTR_CLR_ENABLE 0x0080 /* Enable interrupt status read/clear */
+ unsigned short hu_status; /* Status Register */
+#define HASR_82586_INTR 0x0001 /* Interrupt request from 82586 */
+#define HASR_MMC_INTR 0x0002 /* Interrupt request from MMC */
+#define HASR_MMC_BUSY 0x0004 /* MMC busy indication */
+#define HASR_PSA_BUSY 0x0008 /* LAN parameter storage area busy */
+} __attribute__ ((packed));
+
+typedef struct ha_t ha_t;
+struct ha_t
+{
+ hacs_u ha_cs; /* Command and status registers */
+#define ha_command ha_cs.hu_command
+#define ha_status ha_cs.hu_status
+ unsigned short ha_mmcr; /* Modem Management Ctrl Register */
+ unsigned short ha_pior0; /* Program I/O Address Register Port 0 */
+ unsigned short ha_piop0; /* Program I/O Port 0 */
+ unsigned short ha_pior1; /* Program I/O Address Register Port 1 */
+ unsigned short ha_piop1; /* Program I/O Port 1 */
+ unsigned short ha_pior2; /* Program I/O Address Register Port 2 */
+ unsigned short ha_piop2; /* Program I/O Port 2 */
+};
+
+#define HA_SIZE 16
+
+#define hoff(p,f) (unsigned short)((void *)(&((ha_t *)((void *)0 + (p)))->f) - (void *)0)
+#define HACR(p) hoff(p, ha_command)
+#define HASR(p) hoff(p, ha_status)
+#define MMCR(p) hoff(p, ha_mmcr)
+#define PIOR0(p) hoff(p, ha_pior0)
+#define PIOP0(p) hoff(p, ha_piop0)
+#define PIOR1(p) hoff(p, ha_pior1)
+#define PIOP1(p) hoff(p, ha_piop1)
+#define PIOR2(p) hoff(p, ha_pior2)
+#define PIOP2(p) hoff(p, ha_piop2)
+
+/*
+ * Program I/O Mode Register values.
+ */
+#define STATIC_PIO 0 /* Mode 1: static mode */
+ /* RAM access ??? */
+#define AUTOINCR_PIO 1 /* Mode 2: auto increment mode */
+ /* RAM access ??? */
+#define AUTODECR_PIO 2 /* Mode 3: auto decrement mode */
+ /* RAM access ??? */
+#define PARAM_ACCESS_PIO 3 /* Mode 4: LAN parameter access mode */
+ /* Parameter access. */
+#define PIO_MASK 3 /* register mask */
+#define PIOM(cmd,piono) ((u_short)cmd << 10 << (piono * 2))
+
+#define HACR_DEFAULT (HACR_OUT0 | HACR_OUT1 | HACR_16BITS | PIOM(STATIC_PIO, 0) | PIOM(AUTOINCR_PIO, 1) | PIOM(PARAM_ACCESS_PIO, 2))
+#define HACR_INTRON (HACR_82586_INT_ENABLE | HACR_MMC_INT_ENABLE | HACR_INTR_CLR_ENABLE)
+
+/************************** MEMORY LAYOUT **************************/
+
+/*
+ * Onboard 64 k RAM layout.
+ * (Offsets from 0x0000.)
+ */
+#define OFFSET_RU 0x0000 /* 75% memory */
+#define OFFSET_CU 0xC000 /* 25% memory */
+#define OFFSET_SCB (OFFSET_ISCP - sizeof(scb_t))
+#define OFFSET_ISCP (OFFSET_SCP - sizeof(iscp_t))
+#define OFFSET_SCP I82586_SCP_ADDR
+
+#define RXBLOCKZ (sizeof(fd_t) + sizeof(rbd_t) + MAXDATAZ)
+#define TXBLOCKZ (sizeof(ac_tx_t) + sizeof(ac_nop_t) + sizeof(tbd_t) + MAXDATAZ)
+
+#define NRXBLOCKS ((OFFSET_CU - OFFSET_RU) / RXBLOCKZ)
+#define NTXBLOCKS ((OFFSET_SCB - OFFSET_CU) / TXBLOCKZ)
+
+/********************** PARAMETER STORAGE AREA **********************/
+
+/*
+ * Parameter Storage Area (PSA).
+ */
+typedef struct psa_t psa_t;
+struct psa_t
+{
+ unsigned char psa_io_base_addr_1; /* [0x00] Base address 1 ??? */
+ unsigned char psa_io_base_addr_2; /* [0x01] Base address 2 */
+ unsigned char psa_io_base_addr_3; /* [0x02] Base address 3 */
+ unsigned char psa_io_base_addr_4; /* [0x03] Base address 4 */
+ unsigned char psa_rem_boot_addr_1; /* [0x04] Remote Boot Address 1 */
+ unsigned char psa_rem_boot_addr_2; /* [0x05] Remote Boot Address 2 */
+ unsigned char psa_rem_boot_addr_3; /* [0x06] Remote Boot Address 3 */
+ unsigned char psa_holi_params; /* [0x07] HOst Lan Interface (HOLI) Parameters */
+ unsigned char psa_int_req_no; /* [0x08] Interrupt Request Line */
+ unsigned char psa_unused0[7]; /* [0x09-0x0F] unused */
+
+ unsigned char psa_univ_mac_addr[WAVELAN_ADDR_SIZE]; /* [0x10-0x15] Universal (factory) MAC Address */
+ unsigned char psa_local_mac_addr[WAVELAN_ADDR_SIZE]; /* [0x16-1B] Local MAC Address */
+ unsigned char psa_univ_local_sel; /* [0x1C] Universal Local Selection */
+#define PSA_UNIVERSAL 0 /* Universal (factory) */
+#define PSA_LOCAL 1 /* Local */
+ unsigned char psa_comp_number; /* [0x1D] Compatibility Number: */
+#define PSA_COMP_PC_AT_915 0 /* PC-AT 915 MHz */
+#define PSA_COMP_PC_MC_915 1 /* PC-MC 915 MHz */
+#define PSA_COMP_PC_AT_2400 2 /* PC-AT 2.4 GHz */
+#define PSA_COMP_PC_MC_2400 3 /* PC-MC 2.4 GHz */
+#define PSA_COMP_PCMCIA_915 4 /* PCMCIA 915 MHz or 2.0 */
+ unsigned char psa_thr_pre_set; /* [0x1E] Modem Threshold Preset */
+ unsigned char psa_feature_select; /* [0x1F] Call code required (1=on) */
+#define PSA_FEATURE_CALL_CODE 0x01 /* Call code required (Japan) */
+ unsigned char psa_subband; /* [0x20] Subband */
+#define PSA_SUBBAND_915 0 /* 915 MHz or 2.0 */
+#define PSA_SUBBAND_2425 1 /* 2425 MHz */
+#define PSA_SUBBAND_2460 2 /* 2460 MHz */
+#define PSA_SUBBAND_2484 3 /* 2484 MHz */
+#define PSA_SUBBAND_2430_5 4 /* 2430.5 MHz */
+ unsigned char psa_quality_thr; /* [0x21] Modem Quality Threshold */
+ unsigned char psa_mod_delay; /* [0x22] Modem Delay (?) (reserved) */
+ unsigned char psa_nwid[2]; /* [0x23-0x24] Network ID */
+ unsigned char psa_nwid_select; /* [0x25] Network ID Select On/Off */
+ unsigned char psa_encryption_select; /* [0x26] Encryption On/Off */
+ unsigned char psa_encryption_key[8]; /* [0x27-0x2E] Encryption Key */
+ unsigned char psa_databus_width; /* [0x2F] AT bus width select 8/16 */
+ unsigned char psa_call_code[8]; /* [0x30-0x37] (Japan) Call Code */
+ unsigned char psa_nwid_prefix[2]; /* [0x38-0x39] Roaming domain */
+ unsigned char psa_reserved[2]; /* [0x3A-0x3B] Reserved - fixed 00 */
+ unsigned char psa_conf_status; /* [0x3C] Conf Status, bit 0=1:config*/
+ unsigned char psa_crc[2]; /* [0x3D] CRC-16 over PSA */
+ unsigned char psa_crc_status; /* [0x3F] CRC Valid Flag */
+};
+
+#define PSA_SIZE 64
+
+/* Calculate offset of a field in the above structure.
+ * Warning: only even addresses are used. */
+#define psaoff(p,f) ((unsigned short) ((void *)(&((psa_t *) ((void *) NULL + (p)))->f) - (void *) NULL))
+
+/******************** MODEM MANAGEMENT INTERFACE ********************/
+
+/*
+ * Modem Management Controller (MMC) write structure.
+ */
+typedef struct mmw_t mmw_t;
+struct mmw_t
+{
+ unsigned char mmw_encr_key[8]; /* encryption key */
+ unsigned char mmw_encr_enable; /* Enable or disable encryption. */
+#define MMW_ENCR_ENABLE_MODE 0x02 /* mode of security option */
+#define MMW_ENCR_ENABLE_EN 0x01 /* Enable security option. */
+ unsigned char mmw_unused0[1]; /* unused */
+ unsigned char mmw_des_io_invert; /* encryption option */
+#define MMW_DES_IO_INVERT_RES 0x0F /* reserved */
+#define MMW_DES_IO_INVERT_CTRL 0xF0 /* control (?) (set to 0) */
+ unsigned char mmw_unused1[5]; /* unused */
+ unsigned char mmw_loopt_sel; /* looptest selection */
+#define MMW_LOOPT_SEL_DIS_NWID 0x40 /* Disable NWID filtering. */
+#define MMW_LOOPT_SEL_INT 0x20 /* Activate Attention Request. */
+#define MMW_LOOPT_SEL_LS 0x10 /* looptest, no collision avoidance */
+#define MMW_LOOPT_SEL_LT3A 0x08 /* looptest 3a */
+#define MMW_LOOPT_SEL_LT3B 0x04 /* looptest 3b */
+#define MMW_LOOPT_SEL_LT3C 0x02 /* looptest 3c */
+#define MMW_LOOPT_SEL_LT3D 0x01 /* looptest 3d */
+ unsigned char mmw_jabber_enable; /* jabber timer enable */
+ /* Abort transmissions > 200 ms */
+ unsigned char mmw_freeze; /* freeze or unfreeze signal level */
+ /* 0 : signal level & qual updated for every new message, 1 : frozen */
+ unsigned char mmw_anten_sel; /* antenna selection */
+#define MMW_ANTEN_SEL_SEL 0x01 /* direct antenna selection */
+#define MMW_ANTEN_SEL_ALG_EN 0x02 /* antenna selection algo. enable */
+ unsigned char mmw_ifs; /* inter frame spacing */
+ /* min time between transmission in bit periods (.5 us) - bit 0 ignored */
+ unsigned char mmw_mod_delay; /* modem delay (synchro) */
+ unsigned char mmw_jam_time; /* jamming time (after collision) */
+ unsigned char mmw_unused2[1]; /* unused */
+ unsigned char mmw_thr_pre_set; /* level threshold preset */
+ /* Discard all packet with signal < this value (4) */
+ unsigned char mmw_decay_prm; /* decay parameters */
+ unsigned char mmw_decay_updat_prm; /* decay update parameters */
+ unsigned char mmw_quality_thr; /* quality (z-quotient) threshold */
+ /* Discard all packet with quality < this value (3) */
+ unsigned char mmw_netw_id_l; /* NWID low order byte */
+ unsigned char mmw_netw_id_h; /* NWID high order byte */
+ /* Network ID or Domain : create virtual net on the air */
+
+ /* 2.0 Hardware extension - frequency selection support */
+ unsigned char mmw_mode_select; /* for analog tests (set to 0) */
+ unsigned char mmw_unused3[1]; /* unused */
+ unsigned char mmw_fee_ctrl; /* frequency EEPROM control */
+#define MMW_FEE_CTRL_PRE 0x10 /* Enable protected instructions. */
+#define MMW_FEE_CTRL_DWLD 0x08 /* Download EEPROM to mmc. */
+#define MMW_FEE_CTRL_CMD 0x07 /* EEPROM commands: */
+#define MMW_FEE_CTRL_READ 0x06 /* Read */
+#define MMW_FEE_CTRL_WREN 0x04 /* Write enable */
+#define MMW_FEE_CTRL_WRITE 0x05 /* Write data to address. */
+#define MMW_FEE_CTRL_WRALL 0x04 /* Write data to all addresses. */
+#define MMW_FEE_CTRL_WDS 0x04 /* Write disable */
+#define MMW_FEE_CTRL_PRREAD 0x16 /* Read addr from protect register */
+#define MMW_FEE_CTRL_PREN 0x14 /* Protect register enable */
+#define MMW_FEE_CTRL_PRCLEAR 0x17 /* Unprotect all registers. */
+#define MMW_FEE_CTRL_PRWRITE 0x15 /* Write address in protect register */
+#define MMW_FEE_CTRL_PRDS 0x14 /* Protect register disable */
+ /* Never issue the PRDS command: it's irreversible! */
+
+ unsigned char mmw_fee_addr; /* EEPROM address */
+#define MMW_FEE_ADDR_CHANNEL 0xF0 /* Select the channel. */
+#define MMW_FEE_ADDR_OFFSET 0x0F /* Offset in channel data */
+#define MMW_FEE_ADDR_EN 0xC0 /* FEE_CTRL enable operations */
+#define MMW_FEE_ADDR_DS 0x00 /* FEE_CTRL disable operations */
+#define MMW_FEE_ADDR_ALL 0x40 /* FEE_CTRL all operations */
+#define MMW_FEE_ADDR_CLEAR 0xFF /* FEE_CTRL clear operations */
+
+ unsigned char mmw_fee_data_l; /* Write data to EEPROM. */
+ unsigned char mmw_fee_data_h; /* high octet */
+ unsigned char mmw_ext_ant; /* Setting for external antenna */
+#define MMW_EXT_ANT_EXTANT 0x01 /* Select external antenna */
+#define MMW_EXT_ANT_POL 0x02 /* Polarity of the antenna */
+#define MMW_EXT_ANT_INTERNAL 0x00 /* Internal antenna */
+#define MMW_EXT_ANT_EXTERNAL 0x03 /* External antenna */
+#define MMW_EXT_ANT_IQ_TEST 0x1C /* IQ test pattern (set to 0) */
+} __attribute__ ((packed));
+
+#define MMW_SIZE 37
+
+#define mmwoff(p,f) (unsigned short)((void *)(&((mmw_t *)((void *)0 + (p)))->f) - (void *)0)
+
+/*
+ * Modem Management Controller (MMC) read structure.
+ */
+typedef struct mmr_t mmr_t;
+struct mmr_t
+{
+ unsigned char mmr_unused0[8]; /* unused */
+ unsigned char mmr_des_status; /* encryption status */
+ unsigned char mmr_des_avail; /* encryption available (0x55 read) */
+#define MMR_DES_AVAIL_DES 0x55 /* DES available */
+#define MMR_DES_AVAIL_AES 0x33 /* AES (AT&T) available */
+ unsigned char mmr_des_io_invert; /* des I/O invert register */
+ unsigned char mmr_unused1[5]; /* unused */
+ unsigned char mmr_dce_status; /* DCE status */
+#define MMR_DCE_STATUS_RX_BUSY 0x01 /* receiver busy */
+#define MMR_DCE_STATUS_LOOPT_IND 0x02 /* loop test indicated */
+#define MMR_DCE_STATUS_TX_BUSY 0x04 /* transmitter on */
+#define MMR_DCE_STATUS_JBR_EXPIRED 0x08 /* jabber timer expired */
+#define MMR_DCE_STATUS 0x0F /* mask to get the bits */
+ unsigned char mmr_dsp_id; /* DSP ID (AA = Daedalus rev A) */
+ unsigned char mmr_unused2[2]; /* unused */
+ unsigned char mmr_correct_nwid_l; /* # of correct NWIDs rxd (low) */
+ unsigned char mmr_correct_nwid_h; /* # of correct NWIDs rxd (high) */
+ /* Warning: read high-order octet first! */
+ unsigned char mmr_wrong_nwid_l; /* # of wrong NWIDs rxd (low) */
+ unsigned char mmr_wrong_nwid_h; /* # of wrong NWIDs rxd (high) */
+ unsigned char mmr_thr_pre_set; /* level threshold preset */
+#define MMR_THR_PRE_SET 0x3F /* level threshold preset */
+#define MMR_THR_PRE_SET_CUR 0x80 /* Current signal above it */
+ unsigned char mmr_signal_lvl; /* signal level */
+#define MMR_SIGNAL_LVL 0x3F /* signal level */
+#define MMR_SIGNAL_LVL_VALID 0x80 /* Updated since last read */
+ unsigned char mmr_silence_lvl; /* silence level (noise) */
+#define MMR_SILENCE_LVL 0x3F /* silence level */
+#define MMR_SILENCE_LVL_VALID 0x80 /* Updated since last read */
+ unsigned char mmr_sgnl_qual; /* signal quality */
+#define MMR_SGNL_QUAL 0x0F /* signal quality */
+#define MMR_SGNL_QUAL_ANT 0x80 /* current antenna used */
+ unsigned char mmr_netw_id_l; /* NWID low order byte (?) */
+ unsigned char mmr_unused3[3]; /* unused */
+
+ /* 2.0 Hardware extension - frequency selection support */
+ unsigned char mmr_fee_status; /* Status of frequency EEPROM */
+#define MMR_FEE_STATUS_ID 0xF0 /* Modem revision ID */
+#define MMR_FEE_STATUS_DWLD 0x08 /* Download in progress */
+#define MMR_FEE_STATUS_BUSY 0x04 /* EEPROM busy */
+ unsigned char mmr_unused4[1]; /* unused */
+ unsigned char mmr_fee_data_l; /* Read data from EEPROM (low) */
+ unsigned char mmr_fee_data_h; /* Read data from EEPROM (high) */
+} __attribute__ ((packed));
+
+#define MMR_SIZE 36
+
+#define mmroff(p,f) (unsigned short)((void *)(&((mmr_t *)((void *)0 + (p)))->f) - (void *)0)
+
+/* Make the two above structures one */
+typedef union mm_t
+{
+ struct mmw_t w; /* Write to the mmc */
+ struct mmr_t r; /* Read from the mmc */
+} mm_t;
+
+#endif /* _WAVELAN_H */
+
+/*
+ * This software may only be used and distributed
+ * according to the terms of the GNU General Public License.
+ *
+ * For more details, see wavelan.c.
+ */
--- /dev/null
+/*
+ * WaveLAN ISA driver
+ *
+ * Jean II - HPLB '96
+ *
+ * Reorganisation and extension of the driver.
+ *
+ * This file contains all definitions and declarations necessary for the
+ * WaveLAN ISA driver. This file is a private header, so it should
+ * be included only in wavelan.c!
+ */
+
+#ifndef WAVELAN_P_H
+#define WAVELAN_P_H
+
+/************************** DOCUMENTATION ***************************/
+/*
+ * This driver provides a Linux interface to the WaveLAN ISA hardware.
+ * The WaveLAN is a product of Lucent (http://www.wavelan.com/).
+ * This division was formerly part of NCR and then AT&T.
+ * WaveLANs are also distributed by DEC (RoamAbout DS) and Digital Ocean.
+ *
+ * To learn how to use this driver, read the NET3 HOWTO.
+ * If you want to exploit the many other functionalities, read the comments
+ * in the code.
+ *
+ * This driver is the result of the effort of many people (see below).
+ */
+
+/* ------------------------ SPECIFIC NOTES ------------------------ */
+/*
+ * Web page
+ * --------
+ * I try to maintain a web page with the Wireless LAN Howto at :
+ * http://www.hpl.hp.com/personal/Jean_Tourrilhes/Linux/Wavelan.html
+ *
+ * SMP
+ * ---
+ * We now are SMP compliant (I eventually fixed the remaining bugs).
+ * The driver has been tested on a dual P6-150 and survived my usual
+ * set of torture tests.
+ * Anyway, I spent enough time chasing interrupt re-entrancy during
+ * errors or reconfigure, and I designed the locked/unlocked sections
+ * of the driver with great care, and with the recent addition of
+ * the spinlock (thanks to the new API), we should be quite close to
+ * the truth.
+ * The SMP/IRQ locking is quite coarse and conservative (i.e. not fast),
+ * but better safe than sorry (especially at 2 Mb/s ;-).
+ *
+ * I have also looked into disabling only our interrupt on the card
+ * (via HACR) instead of all interrupts in the processor (via cli),
+ * so that other driver are not impacted, and it look like it's
+ * possible, but it's very tricky to do right (full of races). As
+ * the gain would be mostly for SMP systems, it can wait...
+ *
+ * Debugging and options
+ * ---------------------
+ * You will find below a set of '#define" allowing a very fine control
+ * on the driver behaviour and the debug messages printed.
+ * The main options are :
+ * o SET_PSA_CRC, to have your card correctly recognised by
+ * an access point and the Point-to-Point diagnostic tool.
+ * o USE_PSA_CONFIG, to read configuration from the PSA (EEprom)
+ * (otherwise we always start afresh with some defaults)
+ *
+ * wavelan.o is too darned big
+ * ---------------------------
+ * That's true! There is a very simple way to reduce the driver
+ * object by 33%! Comment out the following line:
+ * #include <linux/wireless.h>
+ * Other compile options can also reduce the size of it...
+ *
+ * MAC address and hardware detection:
+ * -----------------------------------
+ * The detection code for the WaveLAN checks that the first three
+ * octets of the MAC address fit the company code. This type of
+ * detection works well for AT&T cards (because the AT&T code is
+ * hardcoded in wavelan.h), but of course will fail for other
+ * manufacturers.
+ *
+ * If you are sure that your card is derived from the WaveLAN,
+ * here is the way to configure it:
+ * 1) Get your MAC address
+ * a) With your card utilities (wfreqsel, instconf, etc.)
+ * b) With the driver:
+ * o compile the kernel with DEBUG_CONFIG_INFO enabled
+ * o Boot and look the card messages
+ * 2) Set your MAC code (3 octets) in MAC_ADDRESSES[][3] (wavelan.h)
+ * 3) Compile and verify
+ * 4) Send me the MAC code. I will include it in the next version.
+ *
+ */
+
+/* --------------------- WIRELESS EXTENSIONS --------------------- */
+/*
+ * This driver is the first to support "wireless extensions".
+ * This set of extensions provides a standard way to control the wireless
+ * characteristics of the hardware. Applications such as mobile IP may
+ * take advantage of it.
+ *
+ * It might be a good idea as well to fetch the wireless tools to
+ * configure the device and play a bit.
+ */
+
+/* ---------------------------- FILES ---------------------------- */
+/*
+ * wavelan.c: actual code for the driver: C functions
+ *
+ * wavelan.p.h: private header: local types and variables for driver
+ *
+ * wavelan.h: description of the hardware interface and structs
+ *
+ * i82586.h: description of the Ethernet controller
+ */
+
+/* --------------------------- HISTORY --------------------------- */
+/*
+ * This is based on information in the drivers' headers. It may not be
+ * accurate, and I guarantee only my best effort.
+ *
+ * The history of the WaveLAN drivers is as complicated as the history of
+ * the WaveLAN itself (NCR -> AT&T -> Lucent).
+ *
+ * It all started with Anders Klemets <klemets@paul.rutgers.edu>
+ * writing a WaveLAN ISA driver for the Mach microkernel. Girish
+ * Welling <welling@paul.rutgers.edu> had also worked on it.
+ * Keith Moore modified this for the PCMCIA hardware.
+ *
+ * Robert Morris <rtm@das.harvard.edu> ported these two drivers to BSDI
+ * and added specific PCMCIA support (there is currently no equivalent
+ * of the PCMCIA package under BSD).
+ *
+ * Jim Binkley <jrb@cs.pdx.edu> ported both BSDI drivers to FreeBSD.
+ *
+ * Bruce Janson <bruce@cs.usyd.edu.au> ported the BSDI ISA driver to Linux.
+ *
+ * Anthony D. Joseph <adj@lcs.mit.edu> started to modify Bruce's driver
+ * (with help of the BSDI PCMCIA driver) for PCMCIA.
+ * Yunzhou Li <yunzhou@strat.iol.unh.edu> finished this work.
+ * Joe Finney <joe@comp.lancs.ac.uk> patched the driver to start
+ * 2.00 cards correctly (2.4 GHz with frequency selection).
+ * David Hinds <dahinds@users.sourceforge.net> integrated the whole in his
+ * PCMCIA package (and bug corrections).
+ *
+ * I (Jean Tourrilhes - jt@hplb.hpl.hp.com) then started to make some
+ * patches to the PCMCIA driver. Later, I added code in the ISA driver
+ * for Wireless Extensions and full support of frequency selection
+ * cards. Then, I did the same to the PCMCIA driver, and did some
+ * reorganisation. Finally, I came back to the ISA driver to
+ * upgrade it at the same level as the PCMCIA one and reorganise
+ * the code.
+ * Loeke Brederveld <lbrederv@wavelan.com> from Lucent has given me
+ * much needed information on the WaveLAN hardware.
+ */
+
+/* The original copyrights and literature mention others' names and
+ * credits. I don't know what their part in this development was.
+ */
+
+/* By the way, for the copyright and legal stuff:
+ * almost everybody wrote code under the GNU or BSD license (or similar),
+ * and want their original copyright to remain somewhere in the
+ * code (for myself, I go with the GPL).
+ * Nobody wants to take responsibility for anything, except the fame.
+ */
+
+/* --------------------------- CREDITS --------------------------- */
+/*
+ * This software was developed as a component of the
+ * Linux operating system.
+ * It is based on other device drivers and information
+ * either written or supplied by:
+ * Ajay Bakre <bakre@paul.rutgers.edu>,
+ * Donald Becker <becker@cesdis.gsfc.nasa.gov>,
+ * Loeke Brederveld <Loeke.Brederveld@Utrecht.NCR.com>,
+ * Brent Elphick <belphick@uwaterloo.ca>,
+ * Anders Klemets <klemets@it.kth.se>,
+ * Vladimir V. Kolpakov <w@stier.koenig.ru>,
+ * Marc Meertens <Marc.Meertens@Utrecht.NCR.com>,
+ * Pauline Middelink <middelin@polyware.iaf.nl>,
+ * Robert Morris <rtm@das.harvard.edu>,
+ * Jean Tourrilhes <jt@hpl.hp.com>,
+ * Girish Welling <welling@paul.rutgers.edu>,
+ * Clark Woodworth <clark@hiway1.exit109.com>
+ * Yongguang Zhang <ygz@isl.hrl.hac.com>
+ *
+ * Thanks go also to:
+ * James Ashton <jaa101@syseng.anu.edu.au>,
+ * Alan Cox <alan@lxorguk.ukuu.org.uk>,
+ * Allan Creighton <allanc@cs.usyd.edu.au>,
+ * Matthew Geier <matthew@cs.usyd.edu.au>,
+ * Remo di Giovanni <remo@cs.usyd.edu.au>,
+ * Eckhard Grah <grah@wrcs1.urz.uni-wuppertal.de>,
+ * Vipul Gupta <vgupta@cs.binghamton.edu>,
+ * Mark Hagan <mhagan@wtcpost.daytonoh.NCR.COM>,
+ * Tim Nicholson <tim@cs.usyd.edu.au>,
+ * Ian Parkin <ian@cs.usyd.edu.au>,
+ * John Rosenberg <johnr@cs.usyd.edu.au>,
+ * George Rossi <george@phm.gov.au>,
+ * Arthur Scott <arthur@cs.usyd.edu.au>,
+ * Stanislav Sinyagin <stas@isf.ru>
+ * and Peter Storey for their assistance and advice.
+ *
+ * Additional Credits:
+ *
+ * My development has been done initially under Debian 1.1 (Linux 2.0.x)
+ * and now under Debian 2.2, initially with an HP Vectra XP/60, and now
+ * an HP Vectra XP/90.
+ *
+ */
+
+/* ------------------------- IMPROVEMENTS ------------------------- */
+/*
+ * I proudly present:
+ *
+ * Changes made in first pre-release:
+ * ----------------------------------
+ * - reorganisation of the code, function name change
+ * - creation of private header (wavelan.p.h)
+ * - reorganised debug messages
+ * - more comments, history, etc.
+ * - mmc_init: configure the PSA if not done
+ * - mmc_init: correct default value of level threshold for PCMCIA
+ * - mmc_init: 2.00 detection better code for 2.00 initialization
+ * - better info at startup
+ * - IRQ setting (note: this setting is permanent)
+ * - watchdog: change strategy (and solve module removal problems)
+ * - add wireless extensions (ioctl and get_wireless_stats)
+ * get/set nwid/frequency on fly, info for /proc/net/wireless
+ * - more wireless extensions: SETSPY and GETSPY
+ * - make wireless extensions optional
+ * - private ioctl to set/get quality and level threshold, histogram
+ * - remove /proc/net/wavelan
+ * - suppress useless stuff from lp (net_local)
+ * - kernel 2.1 support (copy_to/from_user instead of memcpy_to/fromfs)
+ * - add message level (debug stuff in /var/adm/debug and errors not
+ * displayed at console and still in /var/adm/messages)
+ * - multi device support
+ * - start fixing the probe (init code)
+ * - more inlines
+ * - man page
+ * - many other minor details and cleanups
+ *
+ * Changes made in second pre-release:
+ * -----------------------------------
+ * - clean up init code (probe and module init)
+ * - better multiple device support (module)
+ * - name assignment (module)
+ *
+ * Changes made in third pre-release:
+ * ----------------------------------
+ * - be more conservative on timers
+ * - preliminary support for multicast (I still lack some details)
+ *
+ * Changes made in fourth pre-release:
+ * -----------------------------------
+ * - multicast (revisited and finished)
+ * - avoid reset in set_multicast_list (a really big hack)
+ * if somebody could apply this code for other i82586 based drivers
+ * - share onboard memory 75% RU and 25% CU (instead of 50/50)
+ *
+ * Changes made for release in 2.1.15:
+ * -----------------------------------
+ * - change the detection code for multi manufacturer code support
+ *
+ * Changes made for release in 2.1.17:
+ * -----------------------------------
+ * - update to wireless extensions changes
+ * - silly bug in card initial configuration (psa_conf_status)
+ *
+ * Changes made for release in 2.1.27 & 2.0.30:
+ * --------------------------------------------
+ * - small bug in debug code (probably not the last one...)
+ * - remove extern keyword for wavelan_probe()
+ * - level threshold is now a standard wireless extension (version 4 !)
+ * - modules parameters types (new module interface)
+ *
+ * Changes made for release in 2.1.36:
+ * -----------------------------------
+ * - byte count stats (courtesy of David Hinds)
+ * - remove dev_tint stuff (courtesy of David Hinds)
+ * - encryption setting from Brent Elphick (thanks a lot!)
+ * - 'ioaddr' to 'u_long' for the Alpha (thanks to Stanislav Sinyagin)
+ *
+ * Other changes (not by me) :
+ * -------------------------
+ * - Spelling and gramar "rectification".
+ *
+ * Changes made for release in 2.0.37 & 2.2.2 :
+ * ------------------------------------------
+ * - Correct status in /proc/net/wireless
+ * - Set PSA CRC to make PtP diagnostic tool happy (Bob Gray)
+ * - Module init code don't fail if we found at least one card in
+ * the address list (Karlis Peisenieks)
+ * - Missing parenthesis (Christopher Peterson)
+ * - Correct i82586 configuration parameters
+ * - Encryption initialisation bug (Robert McCormack)
+ * - New mac addresses detected in the probe
+ * - Increase watchdog for busy environments
+ *
+ * Changes made for release in 2.0.38 & 2.2.7 :
+ * ------------------------------------------
+ * - Correct the reception logic to better report errors and avoid
+ * sending bogus packet up the stack
+ * - Delay RU config to avoid corrupting first received packet
+ * - Change config completion code (to actually check something)
+ * - Avoid reading out of bound in skbuf to transmit
+ * - Rectify a lot of (useless) debugging code
+ * - Change the way to `#ifdef SET_PSA_CRC'
+ *
+ * Changes made for release in 2.2.11 & 2.3.13 :
+ * -------------------------------------------
+ * - Change e-mail and web page addresses
+ * - Watchdog timer is now correctly expressed in HZ, not in jiffies
+ * - Add channel number to the list of frequencies in range
+ * - Add the (short) list of bit-rates in range
+ * - Developp a new sensitivity... (sens.value & sens.fixed)
+ *
+ * Changes made for release in 2.2.14 & 2.3.23 :
+ * -------------------------------------------
+ * - Fix check for root permission (break instead of exit)
+ * - New nwid & encoding setting (Wireless Extension 9)
+ *
+ * Changes made for release in 2.3.49 :
+ * ----------------------------------
+ * - Indentation reformating (Alan)
+ * - Update to new network API (softnet - 2.3.43) :
+ * o replace dev->tbusy (Alan)
+ * o replace dev->tstart (Alan)
+ * o remove dev->interrupt (Alan)
+ * o add SMP locking via spinlock in splxx (me)
+ * o add spinlock in interrupt handler (me)
+ * o use kernel watchdog instead of ours (me)
+ * o increase watchdog timeout (kernel is more sensitive) (me)
+ * o verify that all the changes make sense and work (me)
+ * - Fixup a potential gotcha when reconfiguring and thighten a bit
+ * the interactions with Tx queue.
+ *
+ * Changes made for release in 2.4.0 :
+ * ---------------------------------
+ * - Fix spinlock stupid bugs that I left in. The driver is now SMP
+ * compliant and doesn't lockup at startup.
+ *
+ * Changes made for release in 2.5.2 :
+ * ---------------------------------
+ * - Use new driver API for Wireless Extensions :
+ * o got rid of wavelan_ioctl()
+ * o use a bunch of iw_handler instead
+ *
+ * Changes made for release in 2.5.35 :
+ * ----------------------------------
+ * - Set dev->trans_start to avoid filling the logs
+ * - Handle better spurious/bogus interrupt
+ * - Avoid deadlocks in mmc_out()/mmc_in()
+ *
+ * Wishes & dreams:
+ * ----------------
+ * - roaming (see Pcmcia driver)
+ */
+
+/***************************** INCLUDES *****************************/
+
+#include <linux/module.h>
+
+#include <linux/kernel.h>
+#include <linux/sched.h>
+#include <linux/types.h>
+#include <linux/fcntl.h>
+#include <linux/interrupt.h>
+#include <linux/stat.h>
+#include <linux/ptrace.h>
+#include <linux/ioport.h>
+#include <linux/in.h>
+#include <linux/string.h>
+#include <linux/delay.h>
+#include <linux/bitops.h>
+#include <asm/system.h>
+#include <asm/io.h>
+#include <asm/dma.h>
+#include <asm/uaccess.h>
+#include <linux/errno.h>
+#include <linux/netdevice.h>
+#include <linux/etherdevice.h>
+#include <linux/skbuff.h>
+#include <linux/slab.h>
+#include <linux/timer.h>
+#include <linux/init.h>
+
+#include <linux/wireless.h> /* Wireless extensions */
+#include <net/iw_handler.h> /* Wireless handlers */
+
+/* WaveLAN declarations */
+#include "i82586.h"
+#include "wavelan.h"
+
+/************************** DRIVER OPTIONS **************************/
+/*
+ * `#define' or `#undef' the following constant to change the behaviour
+ * of the driver...
+ */
+#undef SET_PSA_CRC /* Calculate and set the CRC on PSA (slower) */
+#define USE_PSA_CONFIG /* Use info from the PSA. */
+#undef EEPROM_IS_PROTECTED /* doesn't seem to be necessary */
+#define MULTICAST_AVOID /* Avoid extra multicast (I'm sceptical). */
+#undef SET_MAC_ADDRESS /* Experimental */
+
+/* Warning: this stuff will slow down the driver. */
+#define WIRELESS_SPY /* Enable spying addresses. */
+#undef HISTOGRAM /* Enable histogram of signal level. */
+
+/****************************** DEBUG ******************************/
+
+#undef DEBUG_MODULE_TRACE /* module insertion/removal */
+#undef DEBUG_CALLBACK_TRACE /* calls made by Linux */
+#undef DEBUG_INTERRUPT_TRACE /* calls to handler */
+#undef DEBUG_INTERRUPT_INFO /* type of interrupt and so on */
+#define DEBUG_INTERRUPT_ERROR /* problems */
+#undef DEBUG_CONFIG_TRACE /* Trace the config functions. */
+#undef DEBUG_CONFIG_INFO /* what's going on */
+#define DEBUG_CONFIG_ERROR /* errors on configuration */
+#undef DEBUG_TX_TRACE /* transmission calls */
+#undef DEBUG_TX_INFO /* header of the transmitted packet */
+#undef DEBUG_TX_FAIL /* Normal failure conditions */
+#define DEBUG_TX_ERROR /* Unexpected conditions */
+#undef DEBUG_RX_TRACE /* transmission calls */
+#undef DEBUG_RX_INFO /* header of the received packet */
+#undef DEBUG_RX_FAIL /* Normal failure conditions */
+#define DEBUG_RX_ERROR /* Unexpected conditions */
+
+#undef DEBUG_PACKET_DUMP /* Dump packet on the screen if defined to 32. */
+#undef DEBUG_IOCTL_TRACE /* misc. call by Linux */
+#undef DEBUG_IOCTL_INFO /* various debugging info */
+#define DEBUG_IOCTL_ERROR /* what's going wrong */
+#define DEBUG_BASIC_SHOW /* Show basic startup info. */
+#undef DEBUG_VERSION_SHOW /* Print version info. */
+#undef DEBUG_PSA_SHOW /* Dump PSA to screen. */
+#undef DEBUG_MMC_SHOW /* Dump mmc to screen. */
+#undef DEBUG_SHOW_UNUSED /* Show unused fields too. */
+#undef DEBUG_I82586_SHOW /* Show i82586 status. */
+#undef DEBUG_DEVICE_SHOW /* Show device parameters. */
+
+/************************ CONSTANTS & MACROS ************************/
+
+#ifdef DEBUG_VERSION_SHOW
+static const char *version = "wavelan.c : v24 (SMP + wireless extensions) 11/12/01\n";
+#endif
+
+/* Watchdog temporisation */
+#define WATCHDOG_JIFFIES (512*HZ/100)
+
+/* ------------------------ PRIVATE IOCTL ------------------------ */
+
+#define SIOCSIPQTHR SIOCIWFIRSTPRIV /* Set quality threshold */
+#define SIOCGIPQTHR SIOCIWFIRSTPRIV + 1 /* Get quality threshold */
+
+#define SIOCSIPHISTO SIOCIWFIRSTPRIV + 2 /* Set histogram ranges */
+#define SIOCGIPHISTO SIOCIWFIRSTPRIV + 3 /* Get histogram values */
+
+/****************************** TYPES ******************************/
+
+/* Shortcuts */
+typedef struct iw_statistics iw_stats;
+typedef struct iw_quality iw_qual;
+typedef struct iw_freq iw_freq;typedef struct net_local net_local;
+typedef struct timer_list timer_list;
+
+/* Basic types */
+typedef u_char mac_addr[WAVELAN_ADDR_SIZE]; /* Hardware address */
+
+/*
+ * Static specific data for the interface.
+ *
+ * For each network interface, Linux keeps data in two structures: "device"
+ * keeps the generic data (same format for everybody) and "net_local" keeps
+ * additional specific data.
+ */
+struct net_local
+{
+ net_local * next; /* linked list of the devices */
+ struct net_device * dev; /* reverse link */
+ spinlock_t spinlock; /* Serialize access to the hardware (SMP) */
+ int nresets; /* number of hardware resets */
+ u_char reconfig_82586; /* We need to reconfigure the controller. */
+ u_char promiscuous; /* promiscuous mode */
+ int mc_count; /* number of multicast addresses */
+ u_short hacr; /* current host interface state */
+
+ int tx_n_in_use;
+ u_short rx_head;
+ u_short rx_last;
+ u_short tx_first_free;
+ u_short tx_first_in_use;
+
+ iw_stats wstats; /* Wireless-specific statistics */
+
+ struct iw_spy_data spy_data;
+ struct iw_public_data wireless_data;
+
+#ifdef HISTOGRAM
+ int his_number; /* number of intervals */
+ u_char his_range[16]; /* boundaries of interval ]n-1; n] */
+ u_long his_sum[16]; /* sum in interval */
+#endif /* HISTOGRAM */
+};
+
+/**************************** PROTOTYPES ****************************/
+
+/* ----------------------- MISC. SUBROUTINES ------------------------ */
+static u_char
+ wv_irq_to_psa(int);
+static int
+ wv_psa_to_irq(u_char);
+/* ------------------- HOST ADAPTER SUBROUTINES ------------------- */
+static inline u_short /* data */
+ hasr_read(u_long); /* Read the host interface: base address */
+static inline void
+ hacr_write(u_long, /* Write to host interface: base address */
+ u_short), /* data */
+ hacr_write_slow(u_long,
+ u_short),
+ set_chan_attn(u_long, /* ioaddr */
+ u_short), /* hacr */
+ wv_hacr_reset(u_long), /* ioaddr */
+ wv_16_off(u_long, /* ioaddr */
+ u_short), /* hacr */
+ wv_16_on(u_long, /* ioaddr */
+ u_short), /* hacr */
+ wv_ints_off(struct net_device *),
+ wv_ints_on(struct net_device *);
+/* ----------------- MODEM MANAGEMENT SUBROUTINES ----------------- */
+static void
+ psa_read(u_long, /* Read the Parameter Storage Area. */
+ u_short, /* hacr */
+ int, /* offset in PSA */
+ u_char *, /* buffer to fill */
+ int), /* size to read */
+ psa_write(u_long, /* Write to the PSA. */
+ u_short, /* hacr */
+ int, /* offset in PSA */
+ u_char *, /* buffer in memory */
+ int); /* length of buffer */
+static inline void
+ mmc_out(u_long, /* Write 1 byte to the Modem Manag Control. */
+ u_short,
+ u_char),
+ mmc_write(u_long, /* Write n bytes to the MMC. */
+ u_char,
+ u_char *,
+ int);
+static inline u_char /* Read 1 byte from the MMC. */
+ mmc_in(u_long,
+ u_short);
+static inline void
+ mmc_read(u_long, /* Read n bytes from the MMC. */
+ u_char,
+ u_char *,
+ int),
+ fee_wait(u_long, /* Wait for frequency EEPROM: base address */
+ int, /* base delay to wait for */
+ int); /* time to wait */
+static void
+ fee_read(u_long, /* Read the frequency EEPROM: base address */
+ u_short, /* destination offset */
+ u_short *, /* data buffer */
+ int); /* number of registers */
+/* ---------------------- I82586 SUBROUTINES ----------------------- */
+static /*inline*/ void
+ obram_read(u_long, /* ioaddr */
+ u_short, /* o */
+ u_char *, /* b */
+ int); /* n */
+static inline void
+ obram_write(u_long, /* ioaddr */
+ u_short, /* o */
+ u_char *, /* b */
+ int); /* n */
+static void
+ wv_ack(struct net_device *);
+static inline int
+ wv_synchronous_cmd(struct net_device *,
+ const char *),
+ wv_config_complete(struct net_device *,
+ u_long,
+ net_local *);
+static int
+ wv_complete(struct net_device *,
+ u_long,
+ net_local *);
+static inline void
+ wv_82586_reconfig(struct net_device *);
+/* ------------------- DEBUG & INFO SUBROUTINES ------------------- */
+#ifdef DEBUG_I82586_SHOW
+static void
+ wv_scb_show(unsigned short);
+#endif
+static inline void
+ wv_init_info(struct net_device *); /* display startup info */
+/* ------------------- IOCTL, STATS & RECONFIG ------------------- */
+static iw_stats *
+ wavelan_get_wireless_stats(struct net_device *);
+static void
+ wavelan_set_multicast_list(struct net_device *);
+/* ----------------------- PACKET RECEPTION ----------------------- */
+static inline void
+ wv_packet_read(struct net_device *, /* Read a packet from a frame. */
+ u_short,
+ int),
+ wv_receive(struct net_device *); /* Read all packets waiting. */
+/* --------------------- PACKET TRANSMISSION --------------------- */
+static inline int
+ wv_packet_write(struct net_device *, /* Write a packet to the Tx buffer. */
+ void *,
+ short);
+static netdev_tx_t
+ wavelan_packet_xmit(struct sk_buff *, /* Send a packet. */
+ struct net_device *);
+/* -------------------- HARDWARE CONFIGURATION -------------------- */
+static inline int
+ wv_mmc_init(struct net_device *), /* Initialize the modem. */
+ wv_ru_start(struct net_device *), /* Start the i82586 receiver unit. */
+ wv_cu_start(struct net_device *), /* Start the i82586 command unit. */
+ wv_82586_start(struct net_device *); /* Start the i82586. */
+static void
+ wv_82586_config(struct net_device *); /* Configure the i82586. */
+static inline void
+ wv_82586_stop(struct net_device *);
+static int
+ wv_hw_reset(struct net_device *), /* Reset the WaveLAN hardware. */
+ wv_check_ioaddr(u_long, /* ioaddr */
+ u_char *); /* mac address (read) */
+/* ---------------------- INTERRUPT HANDLING ---------------------- */
+static irqreturn_t
+ wavelan_interrupt(int, /* interrupt handler */
+ void *);
+static void
+ wavelan_watchdog(struct net_device *); /* transmission watchdog */
+/* ------------------- CONFIGURATION CALLBACKS ------------------- */
+static int
+ wavelan_open(struct net_device *), /* Open the device. */
+ wavelan_close(struct net_device *), /* Close the device. */
+ wavelan_config(struct net_device *, unsigned short);/* Configure one device. */
+extern struct net_device *wavelan_probe(int unit); /* See Space.c. */
+
+/**************************** VARIABLES ****************************/
+
+/*
+ * This is the root of the linked list of WaveLAN drivers
+ * It is use to verify that we don't reuse the same base address
+ * for two different drivers and to clean up when removing the module.
+ */
+static net_local * wavelan_list = (net_local *) NULL;
+
+/*
+ * This table is used to translate the PSA value to IRQ number
+ * and vice versa.
+ */
+static u_char irqvals[] =
+{
+ 0, 0, 0, 0x01,
+ 0x02, 0x04, 0, 0x08,
+ 0, 0, 0x10, 0x20,
+ 0x40, 0, 0, 0x80,
+};
+
+/*
+ * Table of the available I/O addresses (base addresses) for WaveLAN
+ */
+static unsigned short iobase[] =
+{
+#if 0
+ /* Leave out 0x3C0 for now -- seems to clash with some video
+ * controllers.
+ * Leave out the others too -- we will always use 0x390 and leave
+ * 0x300 for the Ethernet device.
+ * Jean II: 0x3E0 is fine as well.
+ */
+ 0x300, 0x390, 0x3E0, 0x3C0
+#endif /* 0 */
+ 0x390, 0x3E0
+};
+
+#ifdef MODULE
+/* Parameters set by insmod */
+static int io[4];
+static int irq[4];
+static char *name[4];
+module_param_array(io, int, NULL, 0);
+module_param_array(irq, int, NULL, 0);
+module_param_array(name, charp, NULL, 0);
+
+MODULE_PARM_DESC(io, "WaveLAN I/O base address(es),required");
+MODULE_PARM_DESC(irq, "WaveLAN IRQ number(s)");
+MODULE_PARM_DESC(name, "WaveLAN interface neme(s)");
+#endif /* MODULE */
+
+#endif /* WAVELAN_P_H */
--- /dev/null
+/*
+ * Wavelan Pcmcia driver
+ *
+ * Jean II - HPLB '96
+ *
+ * Reorganisation and extension of the driver.
+ * Original copyright follow. See wavelan_cs.p.h for details.
+ *
+ * This code is derived from Anthony D. Joseph's code and all the changes here
+ * are also under the original copyright below.
+ *
+ * This code supports version 2.00 of WaveLAN/PCMCIA cards (2.4GHz), and
+ * can work on Linux 2.0.36 with support of David Hinds' PCMCIA Card Services
+ *
+ * Joe Finney (joe@comp.lancs.ac.uk) at Lancaster University in UK added
+ * critical code in the routine to initialize the Modem Management Controller.
+ *
+ * Thanks to Alan Cox and Bruce Janson for their advice.
+ *
+ * -- Yunzhou Li (scip4166@nus.sg)
+ *
+#ifdef WAVELAN_ROAMING
+ * Roaming support added 07/22/98 by Justin Seger (jseger@media.mit.edu)
+ * based on patch by Joe Finney from Lancaster University.
+#endif
+ *
+ * Lucent (formerly AT&T GIS, formerly NCR) WaveLAN PCMCIA card: An
+ * Ethernet-like radio transceiver controlled by an Intel 82593 coprocessor.
+ *
+ * A non-shared memory PCMCIA ethernet driver for linux
+ *
+ * ISA version modified to support PCMCIA by Anthony Joseph (adj@lcs.mit.edu)
+ *
+ *
+ * Joseph O'Sullivan & John Langford (josullvn@cs.cmu.edu & jcl@cs.cmu.edu)
+ *
+ * Apr 2 '98 made changes to bring the i82593 control/int handling in line
+ * with offical specs...
+ *
+ ****************************************************************************
+ * Copyright 1995
+ * Anthony D. Joseph
+ * Massachusetts Institute of Technology
+ *
+ * Permission to use, copy, modify, and distribute this program
+ * for any purpose and without fee is hereby granted, provided
+ * that this copyright and permission notice appear on all copies
+ * and supporting documentation, the name of M.I.T. not be used
+ * in advertising or publicity pertaining to distribution of the
+ * program without specific prior permission, and notice be given
+ * in supporting documentation that copying and distribution is
+ * by permission of M.I.T. M.I.T. makes no representations about
+ * the suitability of this software for any purpose. It is pro-
+ * vided "as is" without express or implied warranty.
+ ****************************************************************************
+ *
+ */
+
+/* Do *NOT* add other headers here, you are guaranteed to be wrong - Jean II */
+#include "wavelan_cs.p.h" /* Private header */
+
+#ifdef WAVELAN_ROAMING
+static void wl_cell_expiry(unsigned long data);
+static void wl_del_wavepoint(wavepoint_history *wavepoint, struct net_local *lp);
+static void wv_nwid_filter(unsigned char mode, net_local *lp);
+#endif /* WAVELAN_ROAMING */
+
+/************************* MISC SUBROUTINES **************************/
+/*
+ * Subroutines which won't fit in one of the following category
+ * (wavelan modem or i82593)
+ */
+
+/******************* MODEM MANAGEMENT SUBROUTINES *******************/
+/*
+ * Useful subroutines to manage the modem of the wavelan
+ */
+
+/*------------------------------------------------------------------*/
+/*
+ * Read from card's Host Adaptor Status Register.
+ */
+static inline u_char
+hasr_read(u_long base)
+{
+ return(inb(HASR(base)));
+} /* hasr_read */
+
+/*------------------------------------------------------------------*/
+/*
+ * Write to card's Host Adapter Command Register.
+ */
+static inline void
+hacr_write(u_long base,
+ u_char hacr)
+{
+ outb(hacr, HACR(base));
+} /* hacr_write */
+
+/*------------------------------------------------------------------*/
+/*
+ * Write to card's Host Adapter Command Register. Include a delay for
+ * those times when it is needed.
+ */
+static void
+hacr_write_slow(u_long base,
+ u_char hacr)
+{
+ hacr_write(base, hacr);
+ /* delay might only be needed sometimes */
+ mdelay(1);
+} /* hacr_write_slow */
+
+/*------------------------------------------------------------------*/
+/*
+ * Read the Parameter Storage Area from the WaveLAN card's memory
+ */
+static void
+psa_read(struct net_device * dev,
+ int o, /* offset in PSA */
+ u_char * b, /* buffer to fill */
+ int n) /* size to read */
+{
+ net_local *lp = netdev_priv(dev);
+ u_char __iomem *ptr = lp->mem + PSA_ADDR + (o << 1);
+
+ while(n-- > 0)
+ {
+ *b++ = readb(ptr);
+ /* Due to a lack of address decode pins, the WaveLAN PCMCIA card
+ * only supports reading even memory addresses. That means the
+ * increment here MUST be two.
+ * Because of that, we can't use memcpy_fromio()...
+ */
+ ptr += 2;
+ }
+} /* psa_read */
+
+/*------------------------------------------------------------------*/
+/*
+ * Write the Parameter Storage Area to the WaveLAN card's memory
+ */
+static void
+psa_write(struct net_device * dev,
+ int o, /* Offset in psa */
+ u_char * b, /* Buffer in memory */
+ int n) /* Length of buffer */
+{
+ net_local *lp = netdev_priv(dev);
+ u_char __iomem *ptr = lp->mem + PSA_ADDR + (o << 1);
+ int count = 0;
+ unsigned int base = dev->base_addr;
+ /* As there seem to have no flag PSA_BUSY as in the ISA model, we are
+ * oblige to verify this address to know when the PSA is ready... */
+ volatile u_char __iomem *verify = lp->mem + PSA_ADDR +
+ (psaoff(0, psa_comp_number) << 1);
+
+ /* Authorize writing to PSA */
+ hacr_write(base, HACR_PWR_STAT | HACR_ROM_WEN);
+
+ while(n-- > 0)
+ {
+ /* write to PSA */
+ writeb(*b++, ptr);
+ ptr += 2;
+
+ /* I don't have the spec, so I don't know what the correct
+ * sequence to write is. This hack seem to work for me... */
+ count = 0;
+ while((readb(verify) != PSA_COMP_PCMCIA_915) && (count++ < 100))
+ mdelay(1);
+ }
+
+ /* Put the host interface back in standard state */
+ hacr_write(base, HACR_DEFAULT);
+} /* psa_write */
+
+#ifdef SET_PSA_CRC
+/*------------------------------------------------------------------*/
+/*
+ * Calculate the PSA CRC
+ * Thanks to Valster, Nico <NVALSTER@wcnd.nl.lucent.com> for the code
+ * NOTE: By specifying a length including the CRC position the
+ * returned value should be zero. (i.e. a correct checksum in the PSA)
+ *
+ * The Windows drivers don't use the CRC, but the AP and the PtP tool
+ * depend on it.
+ */
+static u_short
+psa_crc(unsigned char * psa, /* The PSA */
+ int size) /* Number of short for CRC */
+{
+ int byte_cnt; /* Loop on the PSA */
+ u_short crc_bytes = 0; /* Data in the PSA */
+ int bit_cnt; /* Loop on the bits of the short */
+
+ for(byte_cnt = 0; byte_cnt < size; byte_cnt++ )
+ {
+ crc_bytes ^= psa[byte_cnt]; /* Its an xor */
+
+ for(bit_cnt = 1; bit_cnt < 9; bit_cnt++ )
+ {
+ if(crc_bytes & 0x0001)
+ crc_bytes = (crc_bytes >> 1) ^ 0xA001;
+ else
+ crc_bytes >>= 1 ;
+ }
+ }
+
+ return crc_bytes;
+} /* psa_crc */
+#endif /* SET_PSA_CRC */
+
+/*------------------------------------------------------------------*/
+/*
+ * update the checksum field in the Wavelan's PSA
+ */
+static void
+update_psa_checksum(struct net_device * dev)
+{
+#ifdef SET_PSA_CRC
+ psa_t psa;
+ u_short crc;
+
+ /* read the parameter storage area */
+ psa_read(dev, 0, (unsigned char *) &psa, sizeof(psa));
+
+ /* update the checksum */
+ crc = psa_crc((unsigned char *) &psa,
+ sizeof(psa) - sizeof(psa.psa_crc[0]) - sizeof(psa.psa_crc[1])
+ - sizeof(psa.psa_crc_status));
+
+ psa.psa_crc[0] = crc & 0xFF;
+ psa.psa_crc[1] = (crc & 0xFF00) >> 8;
+
+ /* Write it ! */
+ psa_write(dev, (char *)&psa.psa_crc - (char *)&psa,
+ (unsigned char *)&psa.psa_crc, 2);
+
+#ifdef DEBUG_IOCTL_INFO
+ printk (KERN_DEBUG "%s: update_psa_checksum(): crc = 0x%02x%02x\n",
+ dev->name, psa.psa_crc[0], psa.psa_crc[1]);
+
+ /* Check again (luxury !) */
+ crc = psa_crc((unsigned char *) &psa,
+ sizeof(psa) - sizeof(psa.psa_crc_status));
+
+ if(crc != 0)
+ printk(KERN_WARNING "%s: update_psa_checksum(): CRC does not agree with PSA data (even after recalculating)\n", dev->name);
+#endif /* DEBUG_IOCTL_INFO */
+#endif /* SET_PSA_CRC */
+} /* update_psa_checksum */
+
+/*------------------------------------------------------------------*/
+/*
+ * Write 1 byte to the MMC.
+ */
+static void
+mmc_out(u_long base,
+ u_short o,
+ u_char d)
+{
+ int count = 0;
+
+ /* Wait for MMC to go idle */
+ while((count++ < 100) && (inb(HASR(base)) & HASR_MMI_BUSY))
+ udelay(10);
+
+ outb((u_char)((o << 1) | MMR_MMI_WR), MMR(base));
+ outb(d, MMD(base));
+}
+
+/*------------------------------------------------------------------*/
+/*
+ * Routine to write bytes to the Modem Management Controller.
+ * We start by the end because it is the way it should be !
+ */
+static void
+mmc_write(u_long base,
+ u_char o,
+ u_char * b,
+ int n)
+{
+ o += n;
+ b += n;
+
+ while(n-- > 0 )
+ mmc_out(base, --o, *(--b));
+} /* mmc_write */
+
+/*------------------------------------------------------------------*/
+/*
+ * Read 1 byte from the MMC.
+ * Optimised version for 1 byte, avoid using memory...
+ */
+static u_char
+mmc_in(u_long base,
+ u_short o)
+{
+ int count = 0;
+
+ while((count++ < 100) && (inb(HASR(base)) & HASR_MMI_BUSY))
+ udelay(10);
+ outb(o << 1, MMR(base)); /* Set the read address */
+
+ outb(0, MMD(base)); /* Required dummy write */
+
+ while((count++ < 100) && (inb(HASR(base)) & HASR_MMI_BUSY))
+ udelay(10);
+ return (u_char) (inb(MMD(base))); /* Now do the actual read */
+}
+
+/*------------------------------------------------------------------*/
+/*
+ * Routine to read bytes from the Modem Management Controller.
+ * The implementation is complicated by a lack of address lines,
+ * which prevents decoding of the low-order bit.
+ * (code has just been moved in the above function)
+ * We start by the end because it is the way it should be !
+ */
+static void
+mmc_read(u_long base,
+ u_char o,
+ u_char * b,
+ int n)
+{
+ o += n;
+ b += n;
+
+ while(n-- > 0)
+ *(--b) = mmc_in(base, --o);
+} /* mmc_read */
+
+/*------------------------------------------------------------------*/
+/*
+ * Get the type of encryption available...
+ */
+static inline int
+mmc_encr(u_long base) /* i/o port of the card */
+{
+ int temp;
+
+ temp = mmc_in(base, mmroff(0, mmr_des_avail));
+ if((temp != MMR_DES_AVAIL_DES) && (temp != MMR_DES_AVAIL_AES))
+ return 0;
+ else
+ return temp;
+}
+
+/*------------------------------------------------------------------*/
+/*
+ * Wait for the frequency EEprom to complete a command...
+ */
+static void
+fee_wait(u_long base, /* i/o port of the card */
+ int delay, /* Base delay to wait for */
+ int number) /* Number of time to wait */
+{
+ int count = 0; /* Wait only a limited time */
+
+ while((count++ < number) &&
+ (mmc_in(base, mmroff(0, mmr_fee_status)) & MMR_FEE_STATUS_BUSY))
+ udelay(delay);
+}
+
+/*------------------------------------------------------------------*/
+/*
+ * Read bytes from the Frequency EEprom (frequency select cards).
+ */
+static void
+fee_read(u_long base, /* i/o port of the card */
+ u_short o, /* destination offset */
+ u_short * b, /* data buffer */
+ int n) /* number of registers */
+{
+ b += n; /* Position at the end of the area */
+
+ /* Write the address */
+ mmc_out(base, mmwoff(0, mmw_fee_addr), o + n - 1);
+
+ /* Loop on all buffer */
+ while(n-- > 0)
+ {
+ /* Write the read command */
+ mmc_out(base, mmwoff(0, mmw_fee_ctrl), MMW_FEE_CTRL_READ);
+
+ /* Wait until EEprom is ready (should be quick !) */
+ fee_wait(base, 10, 100);
+
+ /* Read the value */
+ *--b = ((mmc_in(base, mmroff(0, mmr_fee_data_h)) << 8) |
+ mmc_in(base, mmroff(0, mmr_fee_data_l)));
+ }
+}
+
+
+/*------------------------------------------------------------------*/
+/*
+ * Write bytes from the Frequency EEprom (frequency select cards).
+ * This is a bit complicated, because the frequency eeprom has to
+ * be unprotected and the write enabled.
+ * Jean II
+ */
+static void
+fee_write(u_long base, /* i/o port of the card */
+ u_short o, /* destination offset */
+ u_short * b, /* data buffer */
+ int n) /* number of registers */
+{
+ b += n; /* Position at the end of the area */
+
+#ifdef EEPROM_IS_PROTECTED /* disabled */
+#ifdef DOESNT_SEEM_TO_WORK /* disabled */
+ /* Ask to read the protected register */
+ mmc_out(base, mmwoff(0, mmw_fee_ctrl), MMW_FEE_CTRL_PRREAD);
+
+ fee_wait(base, 10, 100);
+
+ /* Read the protected register */
+ printk("Protected 2 : %02X-%02X\n",
+ mmc_in(base, mmroff(0, mmr_fee_data_h)),
+ mmc_in(base, mmroff(0, mmr_fee_data_l)));
+#endif /* DOESNT_SEEM_TO_WORK */
+
+ /* Enable protected register */
+ mmc_out(base, mmwoff(0, mmw_fee_addr), MMW_FEE_ADDR_EN);
+ mmc_out(base, mmwoff(0, mmw_fee_ctrl), MMW_FEE_CTRL_PREN);
+
+ fee_wait(base, 10, 100);
+
+ /* Unprotect area */
+ mmc_out(base, mmwoff(0, mmw_fee_addr), o + n);
+ mmc_out(base, mmwoff(0, mmw_fee_ctrl), MMW_FEE_CTRL_PRWRITE);
+#ifdef DOESNT_SEEM_TO_WORK /* disabled */
+ /* Or use : */
+ mmc_out(base, mmwoff(0, mmw_fee_ctrl), MMW_FEE_CTRL_PRCLEAR);
+#endif /* DOESNT_SEEM_TO_WORK */
+
+ fee_wait(base, 10, 100);
+#endif /* EEPROM_IS_PROTECTED */
+
+ /* Write enable */
+ mmc_out(base, mmwoff(0, mmw_fee_addr), MMW_FEE_ADDR_EN);
+ mmc_out(base, mmwoff(0, mmw_fee_ctrl), MMW_FEE_CTRL_WREN);
+
+ fee_wait(base, 10, 100);
+
+ /* Write the EEprom address */
+ mmc_out(base, mmwoff(0, mmw_fee_addr), o + n - 1);
+
+ /* Loop on all buffer */
+ while(n-- > 0)
+ {
+ /* Write the value */
+ mmc_out(base, mmwoff(0, mmw_fee_data_h), (*--b) >> 8);
+ mmc_out(base, mmwoff(0, mmw_fee_data_l), *b & 0xFF);
+
+ /* Write the write command */
+ mmc_out(base, mmwoff(0, mmw_fee_ctrl), MMW_FEE_CTRL_WRITE);
+
+ /* Wavelan doc says : wait at least 10 ms for EEBUSY = 0 */
+ mdelay(10);
+ fee_wait(base, 10, 100);
+ }
+
+ /* Write disable */
+ mmc_out(base, mmwoff(0, mmw_fee_addr), MMW_FEE_ADDR_DS);
+ mmc_out(base, mmwoff(0, mmw_fee_ctrl), MMW_FEE_CTRL_WDS);
+
+ fee_wait(base, 10, 100);
+
+#ifdef EEPROM_IS_PROTECTED /* disabled */
+ /* Reprotect EEprom */
+ mmc_out(base, mmwoff(0, mmw_fee_addr), 0x00);
+ mmc_out(base, mmwoff(0, mmw_fee_ctrl), MMW_FEE_CTRL_PRWRITE);
+
+ fee_wait(base, 10, 100);
+#endif /* EEPROM_IS_PROTECTED */
+}
+
+/******************* WaveLAN Roaming routines... ********************/
+
+#ifdef WAVELAN_ROAMING /* Conditional compile, see wavelan_cs.h */
+
+static unsigned char WAVELAN_BEACON_ADDRESS[] = {0x09,0x00,0x0e,0x20,0x03,0x00};
+
+static void wv_roam_init(struct net_device *dev)
+{
+ net_local *lp= netdev_priv(dev);
+
+ /* Do not remove this unless you have a good reason */
+ printk(KERN_NOTICE "%s: Warning, you have enabled roaming on"
+ " device %s !\n", dev->name, dev->name);
+ printk(KERN_NOTICE "Roaming is currently an experimental unsupported feature"
+ " of the Wavelan driver.\n");
+ printk(KERN_NOTICE "It may work, but may also make the driver behave in"
+ " erratic ways or crash.\n");
+
+ lp->wavepoint_table.head=NULL; /* Initialise WavePoint table */
+ lp->wavepoint_table.num_wavepoints=0;
+ lp->wavepoint_table.locked=0;
+ lp->curr_point=NULL; /* No default WavePoint */
+ lp->cell_search=0;
+
+ lp->cell_timer.data=(long)lp; /* Start cell expiry timer */
+ lp->cell_timer.function=wl_cell_expiry;
+ lp->cell_timer.expires=jiffies+CELL_TIMEOUT;
+ add_timer(&lp->cell_timer);
+
+ wv_nwid_filter(NWID_PROMISC,lp) ; /* Enter NWID promiscuous mode */
+ /* to build up a good WavePoint */
+ /* table... */
+ printk(KERN_DEBUG "WaveLAN: Roaming enabled on device %s\n",dev->name);
+}
+
+static void wv_roam_cleanup(struct net_device *dev)
+{
+ wavepoint_history *ptr,*old_ptr;
+ net_local *lp= netdev_priv(dev);
+
+ printk(KERN_DEBUG "WaveLAN: Roaming Disabled on device %s\n",dev->name);
+
+ /* Fixme : maybe we should check that the timer exist before deleting it */
+ del_timer(&lp->cell_timer); /* Remove cell expiry timer */
+ ptr=lp->wavepoint_table.head; /* Clear device's WavePoint table */
+ while(ptr!=NULL)
+ {
+ old_ptr=ptr;
+ ptr=ptr->next;
+ wl_del_wavepoint(old_ptr,lp);
+ }
+}
+
+/* Enable/Disable NWID promiscuous mode on a given device */
+static void wv_nwid_filter(unsigned char mode, net_local *lp)
+{
+ mm_t m;
+ unsigned long flags;
+
+#ifdef WAVELAN_ROAMING_DEBUG
+ printk(KERN_DEBUG "WaveLAN: NWID promisc %s, device %s\n",(mode==NWID_PROMISC) ? "on" : "off", lp->dev->name);
+#endif
+
+ /* Disable interrupts & save flags */
+ spin_lock_irqsave(&lp->spinlock, flags);
+
+ m.w.mmw_loopt_sel = (mode==NWID_PROMISC) ? MMW_LOOPT_SEL_DIS_NWID : 0x00;
+ mmc_write(lp->dev->base_addr, (char *)&m.w.mmw_loopt_sel - (char *)&m, (unsigned char *)&m.w.mmw_loopt_sel, 1);
+
+ if(mode==NWID_PROMISC)
+ lp->cell_search=1;
+ else
+ lp->cell_search=0;
+
+ /* ReEnable interrupts & restore flags */
+ spin_unlock_irqrestore(&lp->spinlock, flags);
+}
+
+/* Find a record in the WavePoint table matching a given NWID */
+static wavepoint_history *wl_roam_check(unsigned short nwid, net_local *lp)
+{
+ wavepoint_history *ptr=lp->wavepoint_table.head;
+
+ while(ptr!=NULL){
+ if(ptr->nwid==nwid)
+ return ptr;
+ ptr=ptr->next;
+ }
+ return NULL;
+}
+
+/* Create a new wavepoint table entry */
+static wavepoint_history *wl_new_wavepoint(unsigned short nwid, unsigned char seq, net_local* lp)
+{
+ wavepoint_history *new_wavepoint;
+
+#ifdef WAVELAN_ROAMING_DEBUG
+ printk(KERN_DEBUG "WaveLAN: New Wavepoint, NWID:%.4X\n",nwid);
+#endif
+
+ if(lp->wavepoint_table.num_wavepoints==MAX_WAVEPOINTS)
+ return NULL;
+
+ new_wavepoint = kmalloc(sizeof(wavepoint_history),GFP_ATOMIC);
+ if(new_wavepoint==NULL)
+ return NULL;
+
+ new_wavepoint->nwid=nwid; /* New WavePoints NWID */
+ new_wavepoint->average_fast=0; /* Running Averages..*/
+ new_wavepoint->average_slow=0;
+ new_wavepoint->qualptr=0; /* Start of ringbuffer */
+ new_wavepoint->last_seq=seq-1; /* Last sequence no.seen */
+ memset(new_wavepoint->sigqual,0,WAVEPOINT_HISTORY);/* Empty ringbuffer */
+
+ new_wavepoint->next=lp->wavepoint_table.head;/* Add to wavepoint table */
+ new_wavepoint->prev=NULL;
+
+ if(lp->wavepoint_table.head!=NULL)
+ lp->wavepoint_table.head->prev=new_wavepoint;
+
+ lp->wavepoint_table.head=new_wavepoint;
+
+ lp->wavepoint_table.num_wavepoints++; /* no. of visible wavepoints */
+
+ return new_wavepoint;
+}
+
+/* Remove a wavepoint entry from WavePoint table */
+static void wl_del_wavepoint(wavepoint_history *wavepoint, struct net_local *lp)
+{
+ if(wavepoint==NULL)
+ return;
+
+ if(lp->curr_point==wavepoint)
+ lp->curr_point=NULL;
+
+ if(wavepoint->prev!=NULL)
+ wavepoint->prev->next=wavepoint->next;
+
+ if(wavepoint->next!=NULL)
+ wavepoint->next->prev=wavepoint->prev;
+
+ if(lp->wavepoint_table.head==wavepoint)
+ lp->wavepoint_table.head=wavepoint->next;
+
+ lp->wavepoint_table.num_wavepoints--;
+ kfree(wavepoint);
+}
+
+/* Timer callback function - checks WavePoint table for stale entries */
+static void wl_cell_expiry(unsigned long data)
+{
+ net_local *lp=(net_local *)data;
+ wavepoint_history *wavepoint=lp->wavepoint_table.head,*old_point;
+
+#if WAVELAN_ROAMING_DEBUG > 1
+ printk(KERN_DEBUG "WaveLAN: Wavepoint timeout, dev %s\n",lp->dev->name);
+#endif
+
+ if(lp->wavepoint_table.locked)
+ {
+#if WAVELAN_ROAMING_DEBUG > 1
+ printk(KERN_DEBUG "WaveLAN: Wavepoint table locked...\n");
+#endif
+
+ lp->cell_timer.expires=jiffies+1; /* If table in use, come back later */
+ add_timer(&lp->cell_timer);
+ return;
+ }
+
+ while(wavepoint!=NULL)
+ {
+ if(time_after(jiffies, wavepoint->last_seen + CELL_TIMEOUT))
+ {
+#ifdef WAVELAN_ROAMING_DEBUG
+ printk(KERN_DEBUG "WaveLAN: Bye bye %.4X\n",wavepoint->nwid);
+#endif
+
+ old_point=wavepoint;
+ wavepoint=wavepoint->next;
+ wl_del_wavepoint(old_point,lp);
+ }
+ else
+ wavepoint=wavepoint->next;
+ }
+ lp->cell_timer.expires=jiffies+CELL_TIMEOUT;
+ add_timer(&lp->cell_timer);
+}
+
+/* Update SNR history of a wavepoint */
+static void wl_update_history(wavepoint_history *wavepoint, unsigned char sigqual, unsigned char seq)
+{
+ int i=0,num_missed=0,ptr=0;
+ int average_fast=0,average_slow=0;
+
+ num_missed=(seq-wavepoint->last_seq)%WAVEPOINT_HISTORY;/* Have we missed
+ any beacons? */
+ if(num_missed)
+ for(i=0;i<num_missed;i++)
+ {
+ wavepoint->sigqual[wavepoint->qualptr++]=0; /* If so, enter them as 0's */
+ wavepoint->qualptr %=WAVEPOINT_HISTORY; /* in the ringbuffer. */
+ }
+ wavepoint->last_seen=jiffies; /* Add beacon to history */
+ wavepoint->last_seq=seq;
+ wavepoint->sigqual[wavepoint->qualptr++]=sigqual;
+ wavepoint->qualptr %=WAVEPOINT_HISTORY;
+ ptr=(wavepoint->qualptr-WAVEPOINT_FAST_HISTORY+WAVEPOINT_HISTORY)%WAVEPOINT_HISTORY;
+
+ for(i=0;i<WAVEPOINT_FAST_HISTORY;i++) /* Update running averages */
+ {
+ average_fast+=wavepoint->sigqual[ptr++];
+ ptr %=WAVEPOINT_HISTORY;
+ }
+
+ average_slow=average_fast;
+ for(i=WAVEPOINT_FAST_HISTORY;i<WAVEPOINT_HISTORY;i++)
+ {
+ average_slow+=wavepoint->sigqual[ptr++];
+ ptr %=WAVEPOINT_HISTORY;
+ }
+
+ wavepoint->average_fast=average_fast/WAVEPOINT_FAST_HISTORY;
+ wavepoint->average_slow=average_slow/WAVEPOINT_HISTORY;
+}
+
+/* Perform a handover to a new WavePoint */
+static void wv_roam_handover(wavepoint_history *wavepoint, net_local *lp)
+{
+ unsigned int base = lp->dev->base_addr;
+ mm_t m;
+ unsigned long flags;
+
+ if(wavepoint==lp->curr_point) /* Sanity check... */
+ {
+ wv_nwid_filter(!NWID_PROMISC,lp);
+ return;
+ }
+
+#ifdef WAVELAN_ROAMING_DEBUG
+ printk(KERN_DEBUG "WaveLAN: Doing handover to %.4X, dev %s\n",wavepoint->nwid,lp->dev->name);
+#endif
+
+ /* Disable interrupts & save flags */
+ spin_lock_irqsave(&lp->spinlock, flags);
+
+ m.w.mmw_netw_id_l = wavepoint->nwid & 0xFF;
+ m.w.mmw_netw_id_h = (wavepoint->nwid & 0xFF00) >> 8;
+
+ mmc_write(base, (char *)&m.w.mmw_netw_id_l - (char *)&m, (unsigned char *)&m.w.mmw_netw_id_l, 2);
+
+ /* ReEnable interrupts & restore flags */
+ spin_unlock_irqrestore(&lp->spinlock, flags);
+
+ wv_nwid_filter(!NWID_PROMISC,lp);
+ lp->curr_point=wavepoint;
+}
+
+/* Called when a WavePoint beacon is received */
+static void wl_roam_gather(struct net_device * dev,
+ u_char * hdr, /* Beacon header */
+ u_char * stats) /* SNR, Signal quality
+ of packet */
+{
+ wavepoint_beacon *beacon= (wavepoint_beacon *)hdr; /* Rcvd. Beacon */
+ unsigned short nwid=ntohs(beacon->nwid);
+ unsigned short sigqual=stats[2] & MMR_SGNL_QUAL; /* SNR of beacon */
+ wavepoint_history *wavepoint=NULL; /* WavePoint table entry */
+ net_local *lp = netdev_priv(dev); /* Device info */
+
+#ifdef I_NEED_THIS_FEATURE
+ /* Some people don't need this, some other may need it */
+ nwid=nwid^ntohs(beacon->domain_id);
+#endif
+
+#if WAVELAN_ROAMING_DEBUG > 1
+ printk(KERN_DEBUG "WaveLAN: beacon, dev %s:\n",dev->name);
+ printk(KERN_DEBUG "Domain: %.4X NWID: %.4X SigQual=%d\n",ntohs(beacon->domain_id),nwid,sigqual);
+#endif
+
+ lp->wavepoint_table.locked=1; /* <Mutex> */
+
+ wavepoint=wl_roam_check(nwid,lp); /* Find WavePoint table entry */
+ if(wavepoint==NULL) /* If no entry, Create a new one... */
+ {
+ wavepoint=wl_new_wavepoint(nwid,beacon->seq,lp);
+ if(wavepoint==NULL)
+ goto out;
+ }
+ if(lp->curr_point==NULL) /* If this is the only WavePoint, */
+ wv_roam_handover(wavepoint, lp); /* Jump on it! */
+
+ wl_update_history(wavepoint, sigqual, beacon->seq); /* Update SNR history
+ stats. */
+
+ if(lp->curr_point->average_slow < SEARCH_THRESH_LOW) /* If our current */
+ if(!lp->cell_search) /* WavePoint is getting faint, */
+ wv_nwid_filter(NWID_PROMISC,lp); /* start looking for a new one */
+
+ if(wavepoint->average_slow >
+ lp->curr_point->average_slow + WAVELAN_ROAMING_DELTA)
+ wv_roam_handover(wavepoint, lp); /* Handover to a better WavePoint */
+
+ if(lp->curr_point->average_slow > SEARCH_THRESH_HIGH) /* If our SNR is */
+ if(lp->cell_search) /* getting better, drop out of cell search mode */
+ wv_nwid_filter(!NWID_PROMISC,lp);
+
+out:
+ lp->wavepoint_table.locked=0; /* </MUTEX> :-) */
+}
+
+/* Test this MAC frame a WavePoint beacon */
+static inline int WAVELAN_BEACON(unsigned char *data)
+{
+ wavepoint_beacon *beacon= (wavepoint_beacon *)data;
+ static const wavepoint_beacon beacon_template={0xaa,0xaa,0x03,0x08,0x00,0x0e,0x20,0x03,0x00};
+
+ if(memcmp(beacon,&beacon_template,9)==0)
+ return 1;
+ else
+ return 0;
+}
+#endif /* WAVELAN_ROAMING */
+
+/************************ I82593 SUBROUTINES *************************/
+/*
+ * Useful subroutines to manage the Ethernet controller
+ */
+
+/*------------------------------------------------------------------*/
+/*
+ * Routine to synchronously send a command to the i82593 chip.
+ * Should be called with interrupts disabled.
+ * (called by wv_packet_write(), wv_ru_stop(), wv_ru_start(),
+ * wv_82593_config() & wv_diag())
+ */
+static int
+wv_82593_cmd(struct net_device * dev,
+ char * str,
+ int cmd,
+ int result)
+{
+ unsigned int base = dev->base_addr;
+ int status;
+ int wait_completed;
+ long spin;
+
+ /* Spin until the chip finishes executing its current command (if any) */
+ spin = 1000;
+ do
+ {
+ /* Time calibration of the loop */
+ udelay(10);
+
+ /* Read the interrupt register */
+ outb(OP0_NOP | CR0_STATUS_3, LCCR(base));
+ status = inb(LCSR(base));
+ }
+ while(((status & SR3_EXEC_STATE_MASK) != SR3_EXEC_IDLE) && (spin-- > 0));
+
+ /* If the interrupt hasn't been posted */
+ if (spin < 0) {
+#ifdef DEBUG_INTERRUPT_ERROR
+ printk(KERN_INFO "wv_82593_cmd: %s timeout (previous command), status 0x%02x\n",
+ str, status);
+#endif
+ return(FALSE);
+ }
+
+ /* Issue the command to the controller */
+ outb(cmd, LCCR(base));
+
+ /* If we don't have to check the result of the command
+ * Note : this mean that the irq handler will deal with that */
+ if(result == SR0_NO_RESULT)
+ return(TRUE);
+
+ /* We are waiting for command completion */
+ wait_completed = TRUE;
+
+ /* Busy wait while the LAN controller executes the command. */
+ spin = 1000;
+ do
+ {
+ /* Time calibration of the loop */
+ udelay(10);
+
+ /* Read the interrupt register */
+ outb(CR0_STATUS_0 | OP0_NOP, LCCR(base));
+ status = inb(LCSR(base));
+
+ /* Check if there was an interrupt posted */
+ if((status & SR0_INTERRUPT))
+ {
+ /* Acknowledge the interrupt */
+ outb(CR0_INT_ACK | OP0_NOP, LCCR(base));
+
+ /* Check if interrupt is a command completion */
+ if(((status & SR0_BOTH_RX_TX) != SR0_BOTH_RX_TX) &&
+ ((status & SR0_BOTH_RX_TX) != 0x0) &&
+ !(status & SR0_RECEPTION))
+ {
+ /* Signal command completion */
+ wait_completed = FALSE;
+ }
+ else
+ {
+ /* Note : Rx interrupts will be handled later, because we can
+ * handle multiple Rx packets at once */
+#ifdef DEBUG_INTERRUPT_INFO
+ printk(KERN_INFO "wv_82593_cmd: not our interrupt\n");
+#endif
+ }
+ }
+ }
+ while(wait_completed && (spin-- > 0));
+
+ /* If the interrupt hasn't be posted */
+ if(wait_completed)
+ {
+#ifdef DEBUG_INTERRUPT_ERROR
+ printk(KERN_INFO "wv_82593_cmd: %s timeout, status 0x%02x\n",
+ str, status);
+#endif
+ return(FALSE);
+ }
+
+ /* Check the return code returned by the card (see above) against
+ * the expected return code provided by the caller */
+ if((status & SR0_EVENT_MASK) != result)
+ {
+#ifdef DEBUG_INTERRUPT_ERROR
+ printk(KERN_INFO "wv_82593_cmd: %s failed, status = 0x%x\n",
+ str, status);
+#endif
+ return(FALSE);
+ }
+
+ return(TRUE);
+} /* wv_82593_cmd */
+
+/*------------------------------------------------------------------*/
+/*
+ * This routine does a 593 op-code number 7, and obtains the diagnose
+ * status for the WaveLAN.
+ */
+static inline int
+wv_diag(struct net_device * dev)
+{
+ return(wv_82593_cmd(dev, "wv_diag(): diagnose",
+ OP0_DIAGNOSE, SR0_DIAGNOSE_PASSED));
+} /* wv_diag */
+
+/*------------------------------------------------------------------*/
+/*
+ * Routine to read len bytes from the i82593's ring buffer, starting at
+ * chip address addr. The results read from the chip are stored in buf.
+ * The return value is the address to use for next the call.
+ */
+static int
+read_ringbuf(struct net_device * dev,
+ int addr,
+ char * buf,
+ int len)
+{
+ unsigned int base = dev->base_addr;
+ int ring_ptr = addr;
+ int chunk_len;
+ char * buf_ptr = buf;
+
+ /* Get all the buffer */
+ while(len > 0)
+ {
+ /* Position the Program I/O Register at the ring buffer pointer */
+ outb(ring_ptr & 0xff, PIORL(base));
+ outb(((ring_ptr >> 8) & PIORH_MASK), PIORH(base));
+
+ /* First, determine how much we can read without wrapping around the
+ ring buffer */
+ if((addr + len) < (RX_BASE + RX_SIZE))
+ chunk_len = len;
+ else
+ chunk_len = RX_BASE + RX_SIZE - addr;
+ insb(PIOP(base), buf_ptr, chunk_len);
+ buf_ptr += chunk_len;
+ len -= chunk_len;
+ ring_ptr = (ring_ptr - RX_BASE + chunk_len) % RX_SIZE + RX_BASE;
+ }
+ return(ring_ptr);
+} /* read_ringbuf */
+
+/*------------------------------------------------------------------*/
+/*
+ * Reconfigure the i82593, or at least ask for it...
+ * Because wv_82593_config use the transmission buffer, we must do it
+ * when we are sure that there is no transmission, so we do it now
+ * or in wavelan_packet_xmit() (I can't find any better place,
+ * wavelan_interrupt is not an option...), so you may experience
+ * some delay sometime...
+ */
+static void
+wv_82593_reconfig(struct net_device * dev)
+{
+ net_local * lp = netdev_priv(dev);
+ struct pcmcia_device * link = lp->link;
+ unsigned long flags;
+
+ /* Arm the flag, will be cleard in wv_82593_config() */
+ lp->reconfig_82593 = TRUE;
+
+ /* Check if we can do it now ! */
+ if((link->open) && (netif_running(dev)) && !(netif_queue_stopped(dev)))
+ {
+ spin_lock_irqsave(&lp->spinlock, flags); /* Disable interrupts */
+ wv_82593_config(dev);
+ spin_unlock_irqrestore(&lp->spinlock, flags); /* Re-enable interrupts */
+ }
+ else
+ {
+#ifdef DEBUG_IOCTL_INFO
+ printk(KERN_DEBUG
+ "%s: wv_82593_reconfig(): delayed (state = %lX, link = %d)\n",
+ dev->name, dev->state, link->open);
+#endif
+ }
+}
+
+/********************* DEBUG & INFO SUBROUTINES *********************/
+/*
+ * This routines are used in the code to show debug informations.
+ * Most of the time, it dump the content of hardware structures...
+ */
+
+#ifdef DEBUG_PSA_SHOW
+/*------------------------------------------------------------------*/
+/*
+ * Print the formatted contents of the Parameter Storage Area.
+ */
+static void
+wv_psa_show(psa_t * p)
+{
+ printk(KERN_DEBUG "##### wavelan psa contents: #####\n");
+ printk(KERN_DEBUG "psa_io_base_addr_1: 0x%02X %02X %02X %02X\n",
+ p->psa_io_base_addr_1,
+ p->psa_io_base_addr_2,
+ p->psa_io_base_addr_3,
+ p->psa_io_base_addr_4);
+ printk(KERN_DEBUG "psa_rem_boot_addr_1: 0x%02X %02X %02X\n",
+ p->psa_rem_boot_addr_1,
+ p->psa_rem_boot_addr_2,
+ p->psa_rem_boot_addr_3);
+ printk(KERN_DEBUG "psa_holi_params: 0x%02x, ", p->psa_holi_params);
+ printk("psa_int_req_no: %d\n", p->psa_int_req_no);
+#ifdef DEBUG_SHOW_UNUSED
+ printk(KERN_DEBUG "psa_unused0[]: %pM\n", p->psa_unused0);
+#endif /* DEBUG_SHOW_UNUSED */
+ printk(KERN_DEBUG "psa_univ_mac_addr[]: %pM\n", p->psa_univ_mac_addr);
+ printk(KERN_DEBUG "psa_local_mac_addr[]: %pM\n", p->psa_local_mac_addr);
+ printk(KERN_DEBUG "psa_univ_local_sel: %d, ", p->psa_univ_local_sel);
+ printk("psa_comp_number: %d, ", p->psa_comp_number);
+ printk("psa_thr_pre_set: 0x%02x\n", p->psa_thr_pre_set);
+ printk(KERN_DEBUG "psa_feature_select/decay_prm: 0x%02x, ",
+ p->psa_feature_select);
+ printk("psa_subband/decay_update_prm: %d\n", p->psa_subband);
+ printk(KERN_DEBUG "psa_quality_thr: 0x%02x, ", p->psa_quality_thr);
+ printk("psa_mod_delay: 0x%02x\n", p->psa_mod_delay);
+ printk(KERN_DEBUG "psa_nwid: 0x%02x%02x, ", p->psa_nwid[0], p->psa_nwid[1]);
+ printk("psa_nwid_select: %d\n", p->psa_nwid_select);
+ printk(KERN_DEBUG "psa_encryption_select: %d, ", p->psa_encryption_select);
+ printk("psa_encryption_key[]: %02x:%02x:%02x:%02x:%02x:%02x:%02x:%02x\n",
+ p->psa_encryption_key[0],
+ p->psa_encryption_key[1],
+ p->psa_encryption_key[2],
+ p->psa_encryption_key[3],
+ p->psa_encryption_key[4],
+ p->psa_encryption_key[5],
+ p->psa_encryption_key[6],
+ p->psa_encryption_key[7]);
+ printk(KERN_DEBUG "psa_databus_width: %d\n", p->psa_databus_width);
+ printk(KERN_DEBUG "psa_call_code/auto_squelch: 0x%02x, ",
+ p->psa_call_code[0]);
+ printk("psa_call_code[]: %02X:%02X:%02X:%02X:%02X:%02X:%02X:%02X\n",
+ p->psa_call_code[0],
+ p->psa_call_code[1],
+ p->psa_call_code[2],
+ p->psa_call_code[3],
+ p->psa_call_code[4],
+ p->psa_call_code[5],
+ p->psa_call_code[6],
+ p->psa_call_code[7]);
+#ifdef DEBUG_SHOW_UNUSED
+ printk(KERN_DEBUG "psa_reserved[]: %02X:%02X\n",
+ p->psa_reserved[0],
+ p->psa_reserved[1]);
+#endif /* DEBUG_SHOW_UNUSED */
+ printk(KERN_DEBUG "psa_conf_status: %d, ", p->psa_conf_status);
+ printk("psa_crc: 0x%02x%02x, ", p->psa_crc[0], p->psa_crc[1]);
+ printk("psa_crc_status: 0x%02x\n", p->psa_crc_status);
+} /* wv_psa_show */
+#endif /* DEBUG_PSA_SHOW */
+
+#ifdef DEBUG_MMC_SHOW
+/*------------------------------------------------------------------*/
+/*
+ * Print the formatted status of the Modem Management Controller.
+ * This function need to be completed...
+ */
+static void
+wv_mmc_show(struct net_device * dev)
+{
+ unsigned int base = dev->base_addr;
+ net_local * lp = netdev_priv(dev);
+ mmr_t m;
+
+ /* Basic check */
+ if(hasr_read(base) & HASR_NO_CLK)
+ {
+ printk(KERN_WARNING "%s: wv_mmc_show: modem not connected\n",
+ dev->name);
+ return;
+ }
+
+ spin_lock_irqsave(&lp->spinlock, flags);
+
+ /* Read the mmc */
+ mmc_out(base, mmwoff(0, mmw_freeze), 1);
+ mmc_read(base, 0, (u_char *)&m, sizeof(m));
+ mmc_out(base, mmwoff(0, mmw_freeze), 0);
+
+ /* Don't forget to update statistics */
+ lp->wstats.discard.nwid += (m.mmr_wrong_nwid_h << 8) | m.mmr_wrong_nwid_l;
+
+ spin_unlock_irqrestore(&lp->spinlock, flags);
+
+ printk(KERN_DEBUG "##### wavelan modem status registers: #####\n");
+#ifdef DEBUG_SHOW_UNUSED
+ printk(KERN_DEBUG "mmc_unused0[]: %02X:%02X:%02X:%02X:%02X:%02X:%02X:%02X\n",
+ m.mmr_unused0[0],
+ m.mmr_unused0[1],
+ m.mmr_unused0[2],
+ m.mmr_unused0[3],
+ m.mmr_unused0[4],
+ m.mmr_unused0[5],
+ m.mmr_unused0[6],
+ m.mmr_unused0[7]);
+#endif /* DEBUG_SHOW_UNUSED */
+ printk(KERN_DEBUG "Encryption algorithm: %02X - Status: %02X\n",
+ m.mmr_des_avail, m.mmr_des_status);
+#ifdef DEBUG_SHOW_UNUSED
+ printk(KERN_DEBUG "mmc_unused1[]: %02X:%02X:%02X:%02X:%02X\n",
+ m.mmr_unused1[0],
+ m.mmr_unused1[1],
+ m.mmr_unused1[2],
+ m.mmr_unused1[3],
+ m.mmr_unused1[4]);
+#endif /* DEBUG_SHOW_UNUSED */
+ printk(KERN_DEBUG "dce_status: 0x%x [%s%s%s%s]\n",
+ m.mmr_dce_status,
+ (m.mmr_dce_status & MMR_DCE_STATUS_RX_BUSY) ? "energy detected,":"",
+ (m.mmr_dce_status & MMR_DCE_STATUS_LOOPT_IND) ?
+ "loop test indicated," : "",
+ (m.mmr_dce_status & MMR_DCE_STATUS_TX_BUSY) ? "transmitter on," : "",
+ (m.mmr_dce_status & MMR_DCE_STATUS_JBR_EXPIRED) ?
+ "jabber timer expired," : "");
+ printk(KERN_DEBUG "Dsp ID: %02X\n",
+ m.mmr_dsp_id);
+#ifdef DEBUG_SHOW_UNUSED
+ printk(KERN_DEBUG "mmc_unused2[]: %02X:%02X\n",
+ m.mmr_unused2[0],
+ m.mmr_unused2[1]);
+#endif /* DEBUG_SHOW_UNUSED */
+ printk(KERN_DEBUG "# correct_nwid: %d, # wrong_nwid: %d\n",
+ (m.mmr_correct_nwid_h << 8) | m.mmr_correct_nwid_l,
+ (m.mmr_wrong_nwid_h << 8) | m.mmr_wrong_nwid_l);
+ printk(KERN_DEBUG "thr_pre_set: 0x%x [current signal %s]\n",
+ m.mmr_thr_pre_set & MMR_THR_PRE_SET,
+ (m.mmr_thr_pre_set & MMR_THR_PRE_SET_CUR) ? "above" : "below");
+ printk(KERN_DEBUG "signal_lvl: %d [%s], ",
+ m.mmr_signal_lvl & MMR_SIGNAL_LVL,
+ (m.mmr_signal_lvl & MMR_SIGNAL_LVL_VALID) ? "new msg" : "no new msg");
+ printk("silence_lvl: %d [%s], ", m.mmr_silence_lvl & MMR_SILENCE_LVL,
+ (m.mmr_silence_lvl & MMR_SILENCE_LVL_VALID) ? "update done" : "no new update");
+ printk("sgnl_qual: 0x%x [%s]\n", m.mmr_sgnl_qual & MMR_SGNL_QUAL,
+ (m.mmr_sgnl_qual & MMR_SGNL_QUAL_ANT) ? "Antenna 1" : "Antenna 0");
+#ifdef DEBUG_SHOW_UNUSED
+ printk(KERN_DEBUG "netw_id_l: %x\n", m.mmr_netw_id_l);
+#endif /* DEBUG_SHOW_UNUSED */
+} /* wv_mmc_show */
+#endif /* DEBUG_MMC_SHOW */
+
+#ifdef DEBUG_I82593_SHOW
+/*------------------------------------------------------------------*/
+/*
+ * Print the formatted status of the i82593's receive unit.
+ */
+static void
+wv_ru_show(struct net_device * dev)
+{
+ net_local *lp = netdev_priv(dev);
+
+ printk(KERN_DEBUG "##### wavelan i82593 receiver status: #####\n");
+ printk(KERN_DEBUG "ru: rfp %d stop %d", lp->rfp, lp->stop);
+ /*
+ * Not implemented yet...
+ */
+ printk("\n");
+} /* wv_ru_show */
+#endif /* DEBUG_I82593_SHOW */
+
+#ifdef DEBUG_DEVICE_SHOW
+/*------------------------------------------------------------------*/
+/*
+ * Print the formatted status of the WaveLAN PCMCIA device driver.
+ */
+static void
+wv_dev_show(struct net_device * dev)
+{
+ printk(KERN_DEBUG "dev:");
+ printk(" state=%lX,", dev->state);
+ printk(" trans_start=%ld,", dev->trans_start);
+ printk(" flags=0x%x,", dev->flags);
+ printk("\n");
+} /* wv_dev_show */
+
+/*------------------------------------------------------------------*/
+/*
+ * Print the formatted status of the WaveLAN PCMCIA device driver's
+ * private information.
+ */
+static void
+wv_local_show(struct net_device * dev)
+{
+ net_local *lp = netdev_priv(dev);
+
+ printk(KERN_DEBUG "local:");
+ /*
+ * Not implemented yet...
+ */
+ printk("\n");
+} /* wv_local_show */
+#endif /* DEBUG_DEVICE_SHOW */
+
+#if defined(DEBUG_RX_INFO) || defined(DEBUG_TX_INFO)
+/*------------------------------------------------------------------*/
+/*
+ * Dump packet header (and content if necessary) on the screen
+ */
+static void
+wv_packet_info(u_char * p, /* Packet to dump */
+ int length, /* Length of the packet */
+ char * msg1, /* Name of the device */
+ char * msg2) /* Name of the function */
+{
+ int i;
+ int maxi;
+
+ printk(KERN_DEBUG "%s: %s(): dest %pM, length %d\n",
+ msg1, msg2, p, length);
+ printk(KERN_DEBUG "%s: %s(): src %pM, type 0x%02X%02X\n",
+ msg1, msg2, &p[6], p[12], p[13]);
+
+#ifdef DEBUG_PACKET_DUMP
+
+ printk(KERN_DEBUG "data=\"");
+
+ if((maxi = length) > DEBUG_PACKET_DUMP)
+ maxi = DEBUG_PACKET_DUMP;
+ for(i = 14; i < maxi; i++)
+ if(p[i] >= ' ' && p[i] <= '~')
+ printk(" %c", p[i]);
+ else
+ printk("%02X", p[i]);
+ if(maxi < length)
+ printk("..");
+ printk("\"\n");
+ printk(KERN_DEBUG "\n");
+#endif /* DEBUG_PACKET_DUMP */
+}
+#endif /* defined(DEBUG_RX_INFO) || defined(DEBUG_TX_INFO) */
+
+/*------------------------------------------------------------------*/
+/*
+ * This is the information which is displayed by the driver at startup
+ * There is a lot of flag to configure it at your will...
+ */
+static void
+wv_init_info(struct net_device * dev)
+{
+ unsigned int base = dev->base_addr;
+ psa_t psa;
+
+ /* Read the parameter storage area */
+ psa_read(dev, 0, (unsigned char *) &psa, sizeof(psa));
+
+#ifdef DEBUG_PSA_SHOW
+ wv_psa_show(&psa);
+#endif
+#ifdef DEBUG_MMC_SHOW
+ wv_mmc_show(dev);
+#endif
+#ifdef DEBUG_I82593_SHOW
+ wv_ru_show(dev);
+#endif
+
+#ifdef DEBUG_BASIC_SHOW
+ /* Now, let's go for the basic stuff */
+ printk(KERN_NOTICE "%s: WaveLAN: port %#x, irq %d, hw_addr %pM",
+ dev->name, base, dev->irq, dev->dev_addr);
+
+ /* Print current network id */
+ if(psa.psa_nwid_select)
+ printk(", nwid 0x%02X-%02X", psa.psa_nwid[0], psa.psa_nwid[1]);
+ else
+ printk(", nwid off");
+
+ /* If 2.00 card */
+ if(!(mmc_in(base, mmroff(0, mmr_fee_status)) &
+ (MMR_FEE_STATUS_DWLD | MMR_FEE_STATUS_BUSY)))
+ {
+ unsigned short freq;
+
+ /* Ask the EEprom to read the frequency from the first area */
+ fee_read(base, 0x00 /* 1st area - frequency... */,
+ &freq, 1);
+
+ /* Print frequency */
+ printk(", 2.00, %ld", (freq >> 6) + 2400L);
+
+ /* Hack !!! */
+ if(freq & 0x20)
+ printk(".5");
+ }
+ else
+ {
+ printk(", PCMCIA, ");
+ switch (psa.psa_subband)
+ {
+ case PSA_SUBBAND_915:
+ printk("915");
+ break;
+ case PSA_SUBBAND_2425:
+ printk("2425");
+ break;
+ case PSA_SUBBAND_2460:
+ printk("2460");
+ break;
+ case PSA_SUBBAND_2484:
+ printk("2484");
+ break;
+ case PSA_SUBBAND_2430_5:
+ printk("2430.5");
+ break;
+ default:
+ printk("unknown");
+ }
+ }
+
+ printk(" MHz\n");
+#endif /* DEBUG_BASIC_SHOW */
+
+#ifdef DEBUG_VERSION_SHOW
+ /* Print version information */
+ printk(KERN_NOTICE "%s", version);
+#endif
+} /* wv_init_info */
+
+/********************* IOCTL, STATS & RECONFIG *********************/
+/*
+ * We found here routines that are called by Linux on differents
+ * occasions after the configuration and not for transmitting data
+ * These may be called when the user use ifconfig, /proc/net/dev
+ * or wireless extensions
+ */
+
+
+/*------------------------------------------------------------------*/
+/*
+ * Set or clear the multicast filter for this adaptor.
+ * num_addrs == -1 Promiscuous mode, receive all packets
+ * num_addrs == 0 Normal mode, clear multicast list
+ * num_addrs > 0 Multicast mode, receive normal and MC packets,
+ * and do best-effort filtering.
+ */
+
+static void
+wavelan_set_multicast_list(struct net_device * dev)
+{
+ net_local * lp = netdev_priv(dev);
+
+#ifdef DEBUG_IOCTL_TRACE
+ printk(KERN_DEBUG "%s: ->wavelan_set_multicast_list()\n", dev->name);
+#endif
+
+#ifdef DEBUG_IOCTL_INFO
+ printk(KERN_DEBUG "%s: wavelan_set_multicast_list(): setting Rx mode %02X to %d addresses.\n",
+ dev->name, dev->flags, dev->mc_count);
+#endif
+
+ if(dev->flags & IFF_PROMISC)
+ {
+ /*
+ * Enable promiscuous mode: receive all packets.
+ */
+ if(!lp->promiscuous)
+ {
+ lp->promiscuous = 1;
+ lp->allmulticast = 0;
+ lp->mc_count = 0;
+
+ wv_82593_reconfig(dev);
+ }
+ }
+ else
+ /* If all multicast addresses
+ * or too much multicast addresses for the hardware filter */
+ if((dev->flags & IFF_ALLMULTI) ||
+ (dev->mc_count > I82593_MAX_MULTICAST_ADDRESSES))
+ {
+ /*
+ * Disable promiscuous mode, but active the all multicast mode
+ */
+ if(!lp->allmulticast)
+ {
+ lp->promiscuous = 0;
+ lp->allmulticast = 1;
+ lp->mc_count = 0;
+
+ wv_82593_reconfig(dev);
+ }
+ }
+ else
+ /* If there is some multicast addresses to send */
+ if(dev->mc_list != (struct dev_mc_list *) NULL)
+ {
+ /*
+ * Disable promiscuous mode, but receive all packets
+ * in multicast list
+ */
+#ifdef MULTICAST_AVOID
+ if(lp->promiscuous || lp->allmulticast ||
+ (dev->mc_count != lp->mc_count))
+#endif
+ {
+ lp->promiscuous = 0;
+ lp->allmulticast = 0;
+ lp->mc_count = dev->mc_count;
+
+ wv_82593_reconfig(dev);
+ }
+ }
+ else
+ {
+ /*
+ * Switch to normal mode: disable promiscuous mode and
+ * clear the multicast list.
+ */
+ if(lp->promiscuous || lp->mc_count == 0)
+ {
+ lp->promiscuous = 0;
+ lp->allmulticast = 0;
+ lp->mc_count = 0;
+
+ wv_82593_reconfig(dev);
+ }
+ }
+#ifdef DEBUG_IOCTL_TRACE
+ printk(KERN_DEBUG "%s: <-wavelan_set_multicast_list()\n", dev->name);
+#endif
+}
+
+/*------------------------------------------------------------------*/
+/*
+ * This function doesn't exist...
+ * (Note : it was a nice way to test the reconfigure stuff...)
+ */
+#ifdef SET_MAC_ADDRESS
+static int
+wavelan_set_mac_address(struct net_device * dev,
+ void * addr)
+{
+ struct sockaddr * mac = addr;
+
+ /* Copy the address */
+ memcpy(dev->dev_addr, mac->sa_data, WAVELAN_ADDR_SIZE);
+
+ /* Reconfig the beast */
+ wv_82593_reconfig(dev);
+
+ return 0;
+}
+#endif /* SET_MAC_ADDRESS */
+
+
+/*------------------------------------------------------------------*/
+/*
+ * Frequency setting (for hardware able of it)
+ * It's a bit complicated and you don't really want to look into it...
+ */
+static int
+wv_set_frequency(u_long base, /* i/o port of the card */
+ iw_freq * frequency)
+{
+ const int BAND_NUM = 10; /* Number of bands */
+ long freq = 0L; /* offset to 2.4 GHz in .5 MHz */
+#ifdef DEBUG_IOCTL_INFO
+ int i;
+#endif
+
+ /* Setting by frequency */
+ /* Theoritically, you may set any frequency between
+ * the two limits with a 0.5 MHz precision. In practice,
+ * I don't want you to have trouble with local
+ * regulations... */
+ if((frequency->e == 1) &&
+ (frequency->m >= (int) 2.412e8) && (frequency->m <= (int) 2.487e8))
+ {
+ freq = ((frequency->m / 10000) - 24000L) / 5;
+ }
+
+ /* Setting by channel (same as wfreqsel) */
+ /* Warning : each channel is 22MHz wide, so some of the channels
+ * will interfere... */
+ if((frequency->e == 0) &&
+ (frequency->m >= 0) && (frequency->m < BAND_NUM))
+ {
+ /* Get frequency offset. */
+ freq = channel_bands[frequency->m] >> 1;
+ }
+
+ /* Verify if the frequency is allowed */
+ if(freq != 0L)
+ {
+ u_short table[10]; /* Authorized frequency table */
+
+ /* Read the frequency table */
+ fee_read(base, 0x71 /* frequency table */,
+ table, 10);
+
+#ifdef DEBUG_IOCTL_INFO
+ printk(KERN_DEBUG "Frequency table :");
+ for(i = 0; i < 10; i++)
+ {
+ printk(" %04X",
+ table[i]);
+ }
+ printk("\n");
+#endif
+
+ /* Look in the table if the frequency is allowed */
+ if(!(table[9 - ((freq - 24) / 16)] &
+ (1 << ((freq - 24) % 16))))
+ return -EINVAL; /* not allowed */
+ }
+ else
+ return -EINVAL;
+
+ /* If we get a usable frequency */
+ if(freq != 0L)
+ {
+ unsigned short area[16];
+ unsigned short dac[2];
+ unsigned short area_verify[16];
+ unsigned short dac_verify[2];
+ /* Corresponding gain (in the power adjust value table)
+ * see AT&T Wavelan Data Manual, REF 407-024689/E, page 3-8
+ * & WCIN062D.DOC, page 6.2.9 */
+ unsigned short power_limit[] = { 40, 80, 120, 160, 0 };
+ int power_band = 0; /* Selected band */
+ unsigned short power_adjust; /* Correct value */
+
+ /* Search for the gain */
+ power_band = 0;
+ while((freq > power_limit[power_band]) &&
+ (power_limit[++power_band] != 0))
+ ;
+
+ /* Read the first area */
+ fee_read(base, 0x00,
+ area, 16);
+
+ /* Read the DAC */
+ fee_read(base, 0x60,
+ dac, 2);
+
+ /* Read the new power adjust value */
+ fee_read(base, 0x6B - (power_band >> 1),
+ &power_adjust, 1);
+ if(power_band & 0x1)
+ power_adjust >>= 8;
+ else
+ power_adjust &= 0xFF;
+
+#ifdef DEBUG_IOCTL_INFO
+ printk(KERN_DEBUG "Wavelan EEprom Area 1 :");
+ for(i = 0; i < 16; i++)
+ {
+ printk(" %04X",
+ area[i]);
+ }
+ printk("\n");
+
+ printk(KERN_DEBUG "Wavelan EEprom DAC : %04X %04X\n",
+ dac[0], dac[1]);
+#endif
+
+ /* Frequency offset (for info only...) */
+ area[0] = ((freq << 5) & 0xFFE0) | (area[0] & 0x1F);
+
+ /* Receiver Principle main divider coefficient */
+ area[3] = (freq >> 1) + 2400L - 352L;
+ area[2] = ((freq & 0x1) << 4) | (area[2] & 0xFFEF);
+
+ /* Transmitter Main divider coefficient */
+ area[13] = (freq >> 1) + 2400L;
+ area[12] = ((freq & 0x1) << 4) | (area[2] & 0xFFEF);
+
+ /* Others part of the area are flags, bit streams or unused... */
+
+ /* Set the value in the DAC */
+ dac[1] = ((power_adjust >> 1) & 0x7F) | (dac[1] & 0xFF80);
+ dac[0] = ((power_adjust & 0x1) << 4) | (dac[0] & 0xFFEF);
+
+ /* Write the first area */
+ fee_write(base, 0x00,
+ area, 16);
+
+ /* Write the DAC */
+ fee_write(base, 0x60,
+ dac, 2);
+
+ /* We now should verify here that the EEprom writing was ok */
+
+ /* ReRead the first area */
+ fee_read(base, 0x00,
+ area_verify, 16);
+
+ /* ReRead the DAC */
+ fee_read(base, 0x60,
+ dac_verify, 2);
+
+ /* Compare */
+ if(memcmp(area, area_verify, 16 * 2) ||
+ memcmp(dac, dac_verify, 2 * 2))
+ {
+#ifdef DEBUG_IOCTL_ERROR
+ printk(KERN_INFO "Wavelan: wv_set_frequency : unable to write new frequency to EEprom (?)\n");
+#endif
+ return -EOPNOTSUPP;
+ }
+
+ /* We must download the frequency parameters to the
+ * synthetisers (from the EEprom - area 1)
+ * Note : as the EEprom is auto decremented, we set the end
+ * if the area... */
+ mmc_out(base, mmwoff(0, mmw_fee_addr), 0x0F);
+ mmc_out(base, mmwoff(0, mmw_fee_ctrl),
+ MMW_FEE_CTRL_READ | MMW_FEE_CTRL_DWLD);
+
+ /* Wait until the download is finished */
+ fee_wait(base, 100, 100);
+
+ /* We must now download the power adjust value (gain) to
+ * the synthetisers (from the EEprom - area 7 - DAC) */
+ mmc_out(base, mmwoff(0, mmw_fee_addr), 0x61);
+ mmc_out(base, mmwoff(0, mmw_fee_ctrl),
+ MMW_FEE_CTRL_READ | MMW_FEE_CTRL_DWLD);
+
+ /* Wait until the download is finished */
+ fee_wait(base, 100, 100);
+
+#ifdef DEBUG_IOCTL_INFO
+ /* Verification of what we have done... */
+
+ printk(KERN_DEBUG "Wavelan EEprom Area 1 :");
+ for(i = 0; i < 16; i++)
+ {
+ printk(" %04X",
+ area_verify[i]);
+ }
+ printk("\n");
+
+ printk(KERN_DEBUG "Wavelan EEprom DAC : %04X %04X\n",
+ dac_verify[0], dac_verify[1]);
+#endif
+
+ return 0;
+ }
+ else
+ return -EINVAL; /* Bah, never get there... */
+}
+
+/*------------------------------------------------------------------*/
+/*
+ * Give the list of available frequencies
+ */
+static int
+wv_frequency_list(u_long base, /* i/o port of the card */
+ iw_freq * list, /* List of frequency to fill */
+ int max) /* Maximum number of frequencies */
+{
+ u_short table[10]; /* Authorized frequency table */
+ long freq = 0L; /* offset to 2.4 GHz in .5 MHz + 12 MHz */
+ int i; /* index in the table */
+ const int BAND_NUM = 10; /* Number of bands */
+ int c = 0; /* Channel number */
+
+ /* Read the frequency table */
+ fee_read(base, 0x71 /* frequency table */,
+ table, 10);
+
+ /* Look all frequencies */
+ i = 0;
+ for(freq = 0; freq < 150; freq++)
+ /* Look in the table if the frequency is allowed */
+ if(table[9 - (freq / 16)] & (1 << (freq % 16)))
+ {
+ /* Compute approximate channel number */
+ while((((channel_bands[c] >> 1) - 24) < freq) &&
+ (c < BAND_NUM))
+ c++;
+ list[i].i = c; /* Set the list index */
+
+ /* put in the list */
+ list[i].m = (((freq + 24) * 5) + 24000L) * 10000;
+ list[i++].e = 1;
+
+ /* Check number */
+ if(i >= max)
+ return(i);
+ }
+
+ return(i);
+}
+
+#ifdef IW_WIRELESS_SPY
+/*------------------------------------------------------------------*/
+/*
+ * Gather wireless spy statistics : for each packet, compare the source
+ * address with out list, and if match, get the stats...
+ * Sorry, but this function really need wireless extensions...
+ */
+static inline void
+wl_spy_gather(struct net_device * dev,
+ u_char * mac, /* MAC address */
+ u_char * stats) /* Statistics to gather */
+{
+ struct iw_quality wstats;
+
+ wstats.qual = stats[2] & MMR_SGNL_QUAL;
+ wstats.level = stats[0] & MMR_SIGNAL_LVL;
+ wstats.noise = stats[1] & MMR_SILENCE_LVL;
+ wstats.updated = 0x7;
+
+ /* Update spy records */
+ wireless_spy_update(dev, mac, &wstats);
+}
+#endif /* IW_WIRELESS_SPY */
+
+#ifdef HISTOGRAM
+/*------------------------------------------------------------------*/
+/*
+ * This function calculate an histogram on the signal level.
+ * As the noise is quite constant, it's like doing it on the SNR.
+ * We have defined a set of interval (lp->his_range), and each time
+ * the level goes in that interval, we increment the count (lp->his_sum).
+ * With this histogram you may detect if one wavelan is really weak,
+ * or you may also calculate the mean and standard deviation of the level...
+ */
+static inline void
+wl_his_gather(struct net_device * dev,
+ u_char * stats) /* Statistics to gather */
+{
+ net_local * lp = netdev_priv(dev);
+ u_char level = stats[0] & MMR_SIGNAL_LVL;
+ int i;
+
+ /* Find the correct interval */
+ i = 0;
+ while((i < (lp->his_number - 1)) && (level >= lp->his_range[i++]))
+ ;
+
+ /* Increment interval counter */
+ (lp->his_sum[i])++;
+}
+#endif /* HISTOGRAM */
+
+static void wl_get_drvinfo(struct net_device *dev, struct ethtool_drvinfo *info)
+{
+ strncpy(info->driver, "wavelan_cs", sizeof(info->driver)-1);
+}
+
+static const struct ethtool_ops ops = {
+ .get_drvinfo = wl_get_drvinfo
+};
+
+/*------------------------------------------------------------------*/
+/*
+ * Wireless Handler : get protocol name
+ */
+static int wavelan_get_name(struct net_device *dev,
+ struct iw_request_info *info,
+ union iwreq_data *wrqu,
+ char *extra)
+{
+ strcpy(wrqu->name, "WaveLAN");
+ return 0;
+}
+
+/*------------------------------------------------------------------*/
+/*
+ * Wireless Handler : set NWID
+ */
+static int wavelan_set_nwid(struct net_device *dev,
+ struct iw_request_info *info,
+ union iwreq_data *wrqu,
+ char *extra)
+{
+ unsigned int base = dev->base_addr;
+ net_local *lp = netdev_priv(dev);
+ psa_t psa;
+ mm_t m;
+ unsigned long flags;
+ int ret = 0;
+
+ /* Disable interrupts and save flags. */
+ spin_lock_irqsave(&lp->spinlock, flags);
+
+ /* Set NWID in WaveLAN. */
+ if (!wrqu->nwid.disabled) {
+ /* Set NWID in psa */
+ psa.psa_nwid[0] = (wrqu->nwid.value & 0xFF00) >> 8;
+ psa.psa_nwid[1] = wrqu->nwid.value & 0xFF;
+ psa.psa_nwid_select = 0x01;
+ psa_write(dev,
+ (char *) psa.psa_nwid - (char *) &psa,
+ (unsigned char *) psa.psa_nwid, 3);
+
+ /* Set NWID in mmc. */
+ m.w.mmw_netw_id_l = psa.psa_nwid[1];
+ m.w.mmw_netw_id_h = psa.psa_nwid[0];
+ mmc_write(base,
+ (char *) &m.w.mmw_netw_id_l -
+ (char *) &m,
+ (unsigned char *) &m.w.mmw_netw_id_l, 2);
+ mmc_out(base, mmwoff(0, mmw_loopt_sel), 0x00);
+ } else {
+ /* Disable NWID in the psa. */
+ psa.psa_nwid_select = 0x00;
+ psa_write(dev,
+ (char *) &psa.psa_nwid_select -
+ (char *) &psa,
+ (unsigned char *) &psa.psa_nwid_select,
+ 1);
+
+ /* Disable NWID in the mmc (no filtering). */
+ mmc_out(base, mmwoff(0, mmw_loopt_sel),
+ MMW_LOOPT_SEL_DIS_NWID);
+ }
+ /* update the Wavelan checksum */
+ update_psa_checksum(dev);
+
+ /* Enable interrupts and restore flags. */
+ spin_unlock_irqrestore(&lp->spinlock, flags);
+
+ return ret;
+}
+
+/*------------------------------------------------------------------*/
+/*
+ * Wireless Handler : get NWID
+ */
+static int wavelan_get_nwid(struct net_device *dev,
+ struct iw_request_info *info,
+ union iwreq_data *wrqu,
+ char *extra)
+{
+ net_local *lp = netdev_priv(dev);
+ psa_t psa;
+ unsigned long flags;
+ int ret = 0;
+
+ /* Disable interrupts and save flags. */
+ spin_lock_irqsave(&lp->spinlock, flags);
+
+ /* Read the NWID. */
+ psa_read(dev,
+ (char *) psa.psa_nwid - (char *) &psa,
+ (unsigned char *) psa.psa_nwid, 3);
+ wrqu->nwid.value = (psa.psa_nwid[0] << 8) + psa.psa_nwid[1];
+ wrqu->nwid.disabled = !(psa.psa_nwid_select);
+ wrqu->nwid.fixed = 1; /* Superfluous */
+
+ /* Enable interrupts and restore flags. */
+ spin_unlock_irqrestore(&lp->spinlock, flags);
+
+ return ret;
+}
+
+/*------------------------------------------------------------------*/
+/*
+ * Wireless Handler : set frequency
+ */
+static int wavelan_set_freq(struct net_device *dev,
+ struct iw_request_info *info,
+ union iwreq_data *wrqu,
+ char *extra)
+{
+ unsigned int base = dev->base_addr;
+ net_local *lp = netdev_priv(dev);
+ unsigned long flags;
+ int ret;
+
+ /* Disable interrupts and save flags. */
+ spin_lock_irqsave(&lp->spinlock, flags);
+
+ /* Attempt to recognise 2.00 cards (2.4 GHz frequency selectable). */
+ if (!(mmc_in(base, mmroff(0, mmr_fee_status)) &
+ (MMR_FEE_STATUS_DWLD | MMR_FEE_STATUS_BUSY)))
+ ret = wv_set_frequency(base, &(wrqu->freq));
+ else
+ ret = -EOPNOTSUPP;
+
+ /* Enable interrupts and restore flags. */
+ spin_unlock_irqrestore(&lp->spinlock, flags);
+
+ return ret;
+}
+
+/*------------------------------------------------------------------*/
+/*
+ * Wireless Handler : get frequency
+ */
+static int wavelan_get_freq(struct net_device *dev,
+ struct iw_request_info *info,
+ union iwreq_data *wrqu,
+ char *extra)
+{
+ unsigned int base = dev->base_addr;
+ net_local *lp = netdev_priv(dev);
+ psa_t psa;
+ unsigned long flags;
+ int ret = 0;
+
+ /* Disable interrupts and save flags. */
+ spin_lock_irqsave(&lp->spinlock, flags);
+
+ /* Attempt to recognise 2.00 cards (2.4 GHz frequency selectable).
+ * Does it work for everybody, especially old cards? */
+ if (!(mmc_in(base, mmroff(0, mmr_fee_status)) &
+ (MMR_FEE_STATUS_DWLD | MMR_FEE_STATUS_BUSY))) {
+ unsigned short freq;
+
+ /* Ask the EEPROM to read the frequency from the first area. */
+ fee_read(base, 0x00, &freq, 1);
+ wrqu->freq.m = ((freq >> 5) * 5 + 24000L) * 10000;
+ wrqu->freq.e = 1;
+ } else {
+ psa_read(dev,
+ (char *) &psa.psa_subband - (char *) &psa,
+ (unsigned char *) &psa.psa_subband, 1);
+
+ if (psa.psa_subband <= 4) {
+ wrqu->freq.m = fixed_bands[psa.psa_subband];
+ wrqu->freq.e = (psa.psa_subband != 0);
+ } else
+ ret = -EOPNOTSUPP;
+ }
+
+ /* Enable interrupts and restore flags. */
+ spin_unlock_irqrestore(&lp->spinlock, flags);
+
+ return ret;
+}
+
+/*------------------------------------------------------------------*/
+/*
+ * Wireless Handler : set level threshold
+ */
+static int wavelan_set_sens(struct net_device *dev,
+ struct iw_request_info *info,
+ union iwreq_data *wrqu,
+ char *extra)
+{
+ unsigned int base = dev->base_addr;
+ net_local *lp = netdev_priv(dev);
+ psa_t psa;
+ unsigned long flags;
+ int ret = 0;
+
+ /* Disable interrupts and save flags. */
+ spin_lock_irqsave(&lp->spinlock, flags);
+
+ /* Set the level threshold. */
+ /* We should complain loudly if wrqu->sens.fixed = 0, because we
+ * can't set auto mode... */
+ psa.psa_thr_pre_set = wrqu->sens.value & 0x3F;
+ psa_write(dev,
+ (char *) &psa.psa_thr_pre_set - (char *) &psa,
+ (unsigned char *) &psa.psa_thr_pre_set, 1);
+ /* update the Wavelan checksum */
+ update_psa_checksum(dev);
+ mmc_out(base, mmwoff(0, mmw_thr_pre_set),
+ psa.psa_thr_pre_set);
+
+ /* Enable interrupts and restore flags. */
+ spin_unlock_irqrestore(&lp->spinlock, flags);
+
+ return ret;
+}
+
+/*------------------------------------------------------------------*/
+/*
+ * Wireless Handler : get level threshold
+ */
+static int wavelan_get_sens(struct net_device *dev,
+ struct iw_request_info *info,
+ union iwreq_data *wrqu,
+ char *extra)
+{
+ net_local *lp = netdev_priv(dev);
+ psa_t psa;
+ unsigned long flags;
+ int ret = 0;
+
+ /* Disable interrupts and save flags. */
+ spin_lock_irqsave(&lp->spinlock, flags);
+
+ /* Read the level threshold. */
+ psa_read(dev,
+ (char *) &psa.psa_thr_pre_set - (char *) &psa,
+ (unsigned char *) &psa.psa_thr_pre_set, 1);
+ wrqu->sens.value = psa.psa_thr_pre_set & 0x3F;
+ wrqu->sens.fixed = 1;
+
+ /* Enable interrupts and restore flags. */
+ spin_unlock_irqrestore(&lp->spinlock, flags);
+
+ return ret;
+}
+
+/*------------------------------------------------------------------*/
+/*
+ * Wireless Handler : set encryption key
+ */
+static int wavelan_set_encode(struct net_device *dev,
+ struct iw_request_info *info,
+ union iwreq_data *wrqu,
+ char *extra)
+{
+ unsigned int base = dev->base_addr;
+ net_local *lp = netdev_priv(dev);
+ unsigned long flags;
+ psa_t psa;
+ int ret = 0;
+
+ /* Disable interrupts and save flags. */
+ spin_lock_irqsave(&lp->spinlock, flags);
+
+ /* Check if capable of encryption */
+ if (!mmc_encr(base)) {
+ ret = -EOPNOTSUPP;
+ }
+
+ /* Check the size of the key */
+ if((wrqu->encoding.length != 8) && (wrqu->encoding.length != 0)) {
+ ret = -EINVAL;
+ }
+
+ if(!ret) {
+ /* Basic checking... */
+ if (wrqu->encoding.length == 8) {
+ /* Copy the key in the driver */
+ memcpy(psa.psa_encryption_key, extra,
+ wrqu->encoding.length);
+ psa.psa_encryption_select = 1;
+
+ psa_write(dev,
+ (char *) &psa.psa_encryption_select -
+ (char *) &psa,
+ (unsigned char *) &psa.
+ psa_encryption_select, 8 + 1);
+
+ mmc_out(base, mmwoff(0, mmw_encr_enable),
+ MMW_ENCR_ENABLE_EN | MMW_ENCR_ENABLE_MODE);
+ mmc_write(base, mmwoff(0, mmw_encr_key),
+ (unsigned char *) &psa.
+ psa_encryption_key, 8);
+ }
+
+ /* disable encryption */
+ if (wrqu->encoding.flags & IW_ENCODE_DISABLED) {
+ psa.psa_encryption_select = 0;
+ psa_write(dev,
+ (char *) &psa.psa_encryption_select -
+ (char *) &psa,
+ (unsigned char *) &psa.
+ psa_encryption_select, 1);
+
+ mmc_out(base, mmwoff(0, mmw_encr_enable), 0);
+ }
+ /* update the Wavelan checksum */
+ update_psa_checksum(dev);
+ }
+
+ /* Enable interrupts and restore flags. */
+ spin_unlock_irqrestore(&lp->spinlock, flags);
+
+ return ret;
+}
+
+/*------------------------------------------------------------------*/
+/*
+ * Wireless Handler : get encryption key
+ */
+static int wavelan_get_encode(struct net_device *dev,
+ struct iw_request_info *info,
+ union iwreq_data *wrqu,
+ char *extra)
+{
+ unsigned int base = dev->base_addr;
+ net_local *lp = netdev_priv(dev);
+ psa_t psa;
+ unsigned long flags;
+ int ret = 0;
+
+ /* Disable interrupts and save flags. */
+ spin_lock_irqsave(&lp->spinlock, flags);
+
+ /* Check if encryption is available */
+ if (!mmc_encr(base)) {
+ ret = -EOPNOTSUPP;
+ } else {
+ /* Read the encryption key */
+ psa_read(dev,
+ (char *) &psa.psa_encryption_select -
+ (char *) &psa,
+ (unsigned char *) &psa.
+ psa_encryption_select, 1 + 8);
+
+ /* encryption is enabled ? */
+ if (psa.psa_encryption_select)
+ wrqu->encoding.flags = IW_ENCODE_ENABLED;
+ else
+ wrqu->encoding.flags = IW_ENCODE_DISABLED;
+ wrqu->encoding.flags |= mmc_encr(base);
+
+ /* Copy the key to the user buffer */
+ wrqu->encoding.length = 8;
+ memcpy(extra, psa.psa_encryption_key, wrqu->encoding.length);
+ }
+
+ /* Enable interrupts and restore flags. */
+ spin_unlock_irqrestore(&lp->spinlock, flags);
+
+ return ret;
+}
+
+#ifdef WAVELAN_ROAMING_EXT
+/*------------------------------------------------------------------*/
+/*
+ * Wireless Handler : set ESSID (domain)
+ */
+static int wavelan_set_essid(struct net_device *dev,
+ struct iw_request_info *info,
+ union iwreq_data *wrqu,
+ char *extra)
+{
+ net_local *lp = netdev_priv(dev);
+ unsigned long flags;
+ int ret = 0;
+
+ /* Disable interrupts and save flags. */
+ spin_lock_irqsave(&lp->spinlock, flags);
+
+ /* Check if disable */
+ if(wrqu->data.flags == 0)
+ lp->filter_domains = 0;
+ else {
+ char essid[IW_ESSID_MAX_SIZE + 1];
+ char * endp;
+
+ /* Terminate the string */
+ memcpy(essid, extra, wrqu->data.length);
+ essid[IW_ESSID_MAX_SIZE] = '\0';
+
+#ifdef DEBUG_IOCTL_INFO
+ printk(KERN_DEBUG "SetEssid : ``%s''\n", essid);
+#endif /* DEBUG_IOCTL_INFO */
+
+ /* Convert to a number (note : Wavelan specific) */
+ lp->domain_id = simple_strtoul(essid, &endp, 16);
+ /* Has it worked ? */
+ if(endp > essid)
+ lp->filter_domains = 1;
+ else {
+ lp->filter_domains = 0;
+ ret = -EINVAL;
+ }
+ }
+
+ /* Enable interrupts and restore flags. */
+ spin_unlock_irqrestore(&lp->spinlock, flags);
+
+ return ret;
+}
+
+/*------------------------------------------------------------------*/
+/*
+ * Wireless Handler : get ESSID (domain)
+ */
+static int wavelan_get_essid(struct net_device *dev,
+ struct iw_request_info *info,
+ union iwreq_data *wrqu,
+ char *extra)
+{
+ net_local *lp = netdev_priv(dev);
+
+ /* Is the domain ID active ? */
+ wrqu->data.flags = lp->filter_domains;
+
+ /* Copy Domain ID into a string (Wavelan specific) */
+ /* Sound crazy, be we can't have a snprintf in the kernel !!! */
+ sprintf(extra, "%lX", lp->domain_id);
+ extra[IW_ESSID_MAX_SIZE] = '\0';
+
+ /* Set the length */
+ wrqu->data.length = strlen(extra);
+
+ return 0;
+}
+
+/*------------------------------------------------------------------*/
+/*
+ * Wireless Handler : set AP address
+ */
+static int wavelan_set_wap(struct net_device *dev,
+ struct iw_request_info *info,
+ union iwreq_data *wrqu,
+ char *extra)
+{
+#ifdef DEBUG_IOCTL_INFO
+ printk(KERN_DEBUG "Set AP to : %pM\n", wrqu->ap_addr.sa_data);
+#endif /* DEBUG_IOCTL_INFO */
+
+ return -EOPNOTSUPP;
+}
+
+/*------------------------------------------------------------------*/
+/*
+ * Wireless Handler : get AP address
+ */
+static int wavelan_get_wap(struct net_device *dev,
+ struct iw_request_info *info,
+ union iwreq_data *wrqu,
+ char *extra)
+{
+ /* Should get the real McCoy instead of own Ethernet address */
+ memcpy(wrqu->ap_addr.sa_data, dev->dev_addr, WAVELAN_ADDR_SIZE);
+ wrqu->ap_addr.sa_family = ARPHRD_ETHER;
+
+ return -EOPNOTSUPP;
+}
+#endif /* WAVELAN_ROAMING_EXT */
+
+#ifdef WAVELAN_ROAMING
+/*------------------------------------------------------------------*/
+/*
+ * Wireless Handler : set mode
+ */
+static int wavelan_set_mode(struct net_device *dev,
+ struct iw_request_info *info,
+ union iwreq_data *wrqu,
+ char *extra)
+{
+ net_local *lp = netdev_priv(dev);
+ unsigned long flags;
+ int ret = 0;
+
+ /* Disable interrupts and save flags. */
+ spin_lock_irqsave(&lp->spinlock, flags);
+
+ /* Check mode */
+ switch(wrqu->mode) {
+ case IW_MODE_ADHOC:
+ if(do_roaming) {
+ wv_roam_cleanup(dev);
+ do_roaming = 0;
+ }
+ break;
+ case IW_MODE_INFRA:
+ if(!do_roaming) {
+ wv_roam_init(dev);
+ do_roaming = 1;
+ }
+ break;
+ default:
+ ret = -EINVAL;
+ }
+
+ /* Enable interrupts and restore flags. */
+ spin_unlock_irqrestore(&lp->spinlock, flags);
+
+ return ret;
+}
+
+/*------------------------------------------------------------------*/
+/*
+ * Wireless Handler : get mode
+ */
+static int wavelan_get_mode(struct net_device *dev,
+ struct iw_request_info *info,
+ union iwreq_data *wrqu,
+ char *extra)
+{
+ if(do_roaming)
+ wrqu->mode = IW_MODE_INFRA;
+ else
+ wrqu->mode = IW_MODE_ADHOC;
+
+ return 0;
+}
+#endif /* WAVELAN_ROAMING */
+
+/*------------------------------------------------------------------*/
+/*
+ * Wireless Handler : get range info
+ */
+static int wavelan_get_range(struct net_device *dev,
+ struct iw_request_info *info,
+ union iwreq_data *wrqu,
+ char *extra)
+{
+ unsigned int base = dev->base_addr;
+ net_local *lp = netdev_priv(dev);
+ struct iw_range *range = (struct iw_range *) extra;
+ unsigned long flags;
+ int ret = 0;
+
+ /* Set the length (very important for backward compatibility) */
+ wrqu->data.length = sizeof(struct iw_range);
+
+ /* Set all the info we don't care or don't know about to zero */
+ memset(range, 0, sizeof(struct iw_range));
+
+ /* Set the Wireless Extension versions */
+ range->we_version_compiled = WIRELESS_EXT;
+ range->we_version_source = 9;
+
+ /* Set information in the range struct. */
+ range->throughput = 1.4 * 1000 * 1000; /* don't argue on this ! */
+ range->min_nwid = 0x0000;
+ range->max_nwid = 0xFFFF;
+
+ range->sensitivity = 0x3F;
+ range->max_qual.qual = MMR_SGNL_QUAL;
+ range->max_qual.level = MMR_SIGNAL_LVL;
+ range->max_qual.noise = MMR_SILENCE_LVL;
+ range->avg_qual.qual = MMR_SGNL_QUAL; /* Always max */
+ /* Need to get better values for those two */
+ range->avg_qual.level = 30;
+ range->avg_qual.noise = 8;
+
+ range->num_bitrates = 1;
+ range->bitrate[0] = 2000000; /* 2 Mb/s */
+
+ /* Event capability (kernel + driver) */
+ range->event_capa[0] = (IW_EVENT_CAPA_MASK(0x8B02) |
+ IW_EVENT_CAPA_MASK(0x8B04) |
+ IW_EVENT_CAPA_MASK(0x8B06));
+ range->event_capa[1] = IW_EVENT_CAPA_K_1;
+
+ /* Disable interrupts and save flags. */
+ spin_lock_irqsave(&lp->spinlock, flags);
+
+ /* Attempt to recognise 2.00 cards (2.4 GHz frequency selectable). */
+ if (!(mmc_in(base, mmroff(0, mmr_fee_status)) &
+ (MMR_FEE_STATUS_DWLD | MMR_FEE_STATUS_BUSY))) {
+ range->num_channels = 10;
+ range->num_frequency = wv_frequency_list(base, range->freq,
+ IW_MAX_FREQUENCIES);
+ } else
+ range->num_channels = range->num_frequency = 0;
+
+ /* Encryption supported ? */
+ if (mmc_encr(base)) {
+ range->encoding_size[0] = 8; /* DES = 64 bits key */
+ range->num_encoding_sizes = 1;
+ range->max_encoding_tokens = 1; /* Only one key possible */
+ } else {
+ range->num_encoding_sizes = 0;
+ range->max_encoding_tokens = 0;
+ }
+
+ /* Enable interrupts and restore flags. */
+ spin_unlock_irqrestore(&lp->spinlock, flags);
+
+ return ret;
+}
+
+/*------------------------------------------------------------------*/
+/*
+ * Wireless Private Handler : set quality threshold
+ */
+static int wavelan_set_qthr(struct net_device *dev,
+ struct iw_request_info *info,
+ union iwreq_data *wrqu,
+ char *extra)
+{
+ unsigned int base = dev->base_addr;
+ net_local *lp = netdev_priv(dev);
+ psa_t psa;
+ unsigned long flags;
+
+ /* Disable interrupts and save flags. */
+ spin_lock_irqsave(&lp->spinlock, flags);
+
+ psa.psa_quality_thr = *(extra) & 0x0F;
+ psa_write(dev,
+ (char *) &psa.psa_quality_thr - (char *) &psa,
+ (unsigned char *) &psa.psa_quality_thr, 1);
+ /* update the Wavelan checksum */
+ update_psa_checksum(dev);
+ mmc_out(base, mmwoff(0, mmw_quality_thr),
+ psa.psa_quality_thr);
+
+ /* Enable interrupts and restore flags. */
+ spin_unlock_irqrestore(&lp->spinlock, flags);
+
+ return 0;
+}
+
+/*------------------------------------------------------------------*/
+/*
+ * Wireless Private Handler : get quality threshold
+ */
+static int wavelan_get_qthr(struct net_device *dev,
+ struct iw_request_info *info,
+ union iwreq_data *wrqu,
+ char *extra)
+{
+ net_local *lp = netdev_priv(dev);
+ psa_t psa;
+ unsigned long flags;
+
+ /* Disable interrupts and save flags. */
+ spin_lock_irqsave(&lp->spinlock, flags);
+
+ psa_read(dev,
+ (char *) &psa.psa_quality_thr - (char *) &psa,
+ (unsigned char *) &psa.psa_quality_thr, 1);
+ *(extra) = psa.psa_quality_thr & 0x0F;
+
+ /* Enable interrupts and restore flags. */
+ spin_unlock_irqrestore(&lp->spinlock, flags);
+
+ return 0;
+}
+
+#ifdef WAVELAN_ROAMING
+/*------------------------------------------------------------------*/
+/*
+ * Wireless Private Handler : set roaming
+ */
+static int wavelan_set_roam(struct net_device *dev,
+ struct iw_request_info *info,
+ union iwreq_data *wrqu,
+ char *extra)
+{
+ net_local *lp = netdev_priv(dev);
+ unsigned long flags;
+
+ /* Disable interrupts and save flags. */
+ spin_lock_irqsave(&lp->spinlock, flags);
+
+ /* Note : should check if user == root */
+ if(do_roaming && (*extra)==0)
+ wv_roam_cleanup(dev);
+ else if(do_roaming==0 && (*extra)!=0)
+ wv_roam_init(dev);
+
+ do_roaming = (*extra);
+
+ /* Enable interrupts and restore flags. */
+ spin_unlock_irqrestore(&lp->spinlock, flags);
+
+ return 0;
+}
+
+/*------------------------------------------------------------------*/
+/*
+ * Wireless Private Handler : get quality threshold
+ */
+static int wavelan_get_roam(struct net_device *dev,
+ struct iw_request_info *info,
+ union iwreq_data *wrqu,
+ char *extra)
+{
+ *(extra) = do_roaming;
+
+ return 0;
+}
+#endif /* WAVELAN_ROAMING */
+
+#ifdef HISTOGRAM
+/*------------------------------------------------------------------*/
+/*
+ * Wireless Private Handler : set histogram
+ */
+static int wavelan_set_histo(struct net_device *dev,
+ struct iw_request_info *info,
+ union iwreq_data *wrqu,
+ char *extra)
+{
+ net_local *lp = netdev_priv(dev);
+
+ /* Check the number of intervals. */
+ if (wrqu->data.length > 16) {
+ return(-E2BIG);
+ }
+
+ /* Disable histo while we copy the addresses.
+ * As we don't disable interrupts, we need to do this */
+ lp->his_number = 0;
+
+ /* Are there ranges to copy? */
+ if (wrqu->data.length > 0) {
+ /* Copy interval ranges to the driver */
+ memcpy(lp->his_range, extra, wrqu->data.length);
+
+ {
+ int i;
+ printk(KERN_DEBUG "Histo :");
+ for(i = 0; i < wrqu->data.length; i++)
+ printk(" %d", lp->his_range[i]);
+ printk("\n");
+ }
+
+ /* Reset result structure. */
+ memset(lp->his_sum, 0x00, sizeof(long) * 16);
+ }
+
+ /* Now we can set the number of ranges */
+ lp->his_number = wrqu->data.length;
+
+ return(0);
+}
+
+/*------------------------------------------------------------------*/
+/*
+ * Wireless Private Handler : get histogram
+ */
+static int wavelan_get_histo(struct net_device *dev,
+ struct iw_request_info *info,
+ union iwreq_data *wrqu,
+ char *extra)
+{
+ net_local *lp = netdev_priv(dev);
+
+ /* Set the number of intervals. */
+ wrqu->data.length = lp->his_number;
+
+ /* Give back the distribution statistics */
+ if(lp->his_number > 0)
+ memcpy(extra, lp->his_sum, sizeof(long) * lp->his_number);
+
+ return(0);
+}
+#endif /* HISTOGRAM */
+
+/*------------------------------------------------------------------*/
+/*
+ * Structures to export the Wireless Handlers
+ */
+
+static const struct iw_priv_args wavelan_private_args[] = {
+/*{ cmd, set_args, get_args, name } */
+ { SIOCSIPQTHR, IW_PRIV_TYPE_BYTE | IW_PRIV_SIZE_FIXED | 1, 0, "setqualthr" },
+ { SIOCGIPQTHR, 0, IW_PRIV_TYPE_BYTE | IW_PRIV_SIZE_FIXED | 1, "getqualthr" },
+ { SIOCSIPROAM, IW_PRIV_TYPE_BYTE | IW_PRIV_SIZE_FIXED | 1, 0, "setroam" },
+ { SIOCGIPROAM, 0, IW_PRIV_TYPE_BYTE | IW_PRIV_SIZE_FIXED | 1, "getroam" },
+ { SIOCSIPHISTO, IW_PRIV_TYPE_BYTE | 16, 0, "sethisto" },
+ { SIOCGIPHISTO, 0, IW_PRIV_TYPE_INT | 16, "gethisto" },
+};
+
+static const iw_handler wavelan_handler[] =
+{
+ NULL, /* SIOCSIWNAME */
+ wavelan_get_name, /* SIOCGIWNAME */
+ wavelan_set_nwid, /* SIOCSIWNWID */
+ wavelan_get_nwid, /* SIOCGIWNWID */
+ wavelan_set_freq, /* SIOCSIWFREQ */
+ wavelan_get_freq, /* SIOCGIWFREQ */
+#ifdef WAVELAN_ROAMING
+ wavelan_set_mode, /* SIOCSIWMODE */
+ wavelan_get_mode, /* SIOCGIWMODE */
+#else /* WAVELAN_ROAMING */
+ NULL, /* SIOCSIWMODE */
+ NULL, /* SIOCGIWMODE */
+#endif /* WAVELAN_ROAMING */
+ wavelan_set_sens, /* SIOCSIWSENS */
+ wavelan_get_sens, /* SIOCGIWSENS */
+ NULL, /* SIOCSIWRANGE */
+ wavelan_get_range, /* SIOCGIWRANGE */
+ NULL, /* SIOCSIWPRIV */
+ NULL, /* SIOCGIWPRIV */
+ NULL, /* SIOCSIWSTATS */
+ NULL, /* SIOCGIWSTATS */
+ iw_handler_set_spy, /* SIOCSIWSPY */
+ iw_handler_get_spy, /* SIOCGIWSPY */
+ iw_handler_set_thrspy, /* SIOCSIWTHRSPY */
+ iw_handler_get_thrspy, /* SIOCGIWTHRSPY */
+#ifdef WAVELAN_ROAMING_EXT
+ wavelan_set_wap, /* SIOCSIWAP */
+ wavelan_get_wap, /* SIOCGIWAP */
+ NULL, /* -- hole -- */
+ NULL, /* SIOCGIWAPLIST */
+ NULL, /* -- hole -- */
+ NULL, /* -- hole -- */
+ wavelan_set_essid, /* SIOCSIWESSID */
+ wavelan_get_essid, /* SIOCGIWESSID */
+#else /* WAVELAN_ROAMING_EXT */
+ NULL, /* SIOCSIWAP */
+ NULL, /* SIOCGIWAP */
+ NULL, /* -- hole -- */
+ NULL, /* SIOCGIWAPLIST */
+ NULL, /* -- hole -- */
+ NULL, /* -- hole -- */
+ NULL, /* SIOCSIWESSID */
+ NULL, /* SIOCGIWESSID */
+#endif /* WAVELAN_ROAMING_EXT */
+ NULL, /* SIOCSIWNICKN */
+ NULL, /* SIOCGIWNICKN */
+ NULL, /* -- hole -- */
+ NULL, /* -- hole -- */
+ NULL, /* SIOCSIWRATE */
+ NULL, /* SIOCGIWRATE */
+ NULL, /* SIOCSIWRTS */
+ NULL, /* SIOCGIWRTS */
+ NULL, /* SIOCSIWFRAG */
+ NULL, /* SIOCGIWFRAG */
+ NULL, /* SIOCSIWTXPOW */
+ NULL, /* SIOCGIWTXPOW */
+ NULL, /* SIOCSIWRETRY */
+ NULL, /* SIOCGIWRETRY */
+ wavelan_set_encode, /* SIOCSIWENCODE */
+ wavelan_get_encode, /* SIOCGIWENCODE */
+};
+
+static const iw_handler wavelan_private_handler[] =
+{
+ wavelan_set_qthr, /* SIOCIWFIRSTPRIV */
+ wavelan_get_qthr, /* SIOCIWFIRSTPRIV + 1 */
+#ifdef WAVELAN_ROAMING
+ wavelan_set_roam, /* SIOCIWFIRSTPRIV + 2 */
+ wavelan_get_roam, /* SIOCIWFIRSTPRIV + 3 */
+#else /* WAVELAN_ROAMING */
+ NULL, /* SIOCIWFIRSTPRIV + 2 */
+ NULL, /* SIOCIWFIRSTPRIV + 3 */
+#endif /* WAVELAN_ROAMING */
+#ifdef HISTOGRAM
+ wavelan_set_histo, /* SIOCIWFIRSTPRIV + 4 */
+ wavelan_get_histo, /* SIOCIWFIRSTPRIV + 5 */
+#endif /* HISTOGRAM */
+};
+
+static const struct iw_handler_def wavelan_handler_def =
+{
+ .num_standard = ARRAY_SIZE(wavelan_handler),
+ .num_private = ARRAY_SIZE(wavelan_private_handler),
+ .num_private_args = ARRAY_SIZE(wavelan_private_args),
+ .standard = wavelan_handler,
+ .private = wavelan_private_handler,
+ .private_args = wavelan_private_args,
+ .get_wireless_stats = wavelan_get_wireless_stats,
+};
+
+/*------------------------------------------------------------------*/
+/*
+ * Get wireless statistics
+ * Called by /proc/net/wireless...
+ */
+static iw_stats *
+wavelan_get_wireless_stats(struct net_device * dev)
+{
+ unsigned int base = dev->base_addr;
+ net_local * lp = netdev_priv(dev);
+ mmr_t m;
+ iw_stats * wstats;
+ unsigned long flags;
+
+#ifdef DEBUG_IOCTL_TRACE
+ printk(KERN_DEBUG "%s: ->wavelan_get_wireless_stats()\n", dev->name);
+#endif
+
+ /* Disable interrupts & save flags */
+ spin_lock_irqsave(&lp->spinlock, flags);
+
+ wstats = &lp->wstats;
+
+ /* Get data from the mmc */
+ mmc_out(base, mmwoff(0, mmw_freeze), 1);
+
+ mmc_read(base, mmroff(0, mmr_dce_status), &m.mmr_dce_status, 1);
+ mmc_read(base, mmroff(0, mmr_wrong_nwid_l), &m.mmr_wrong_nwid_l, 2);
+ mmc_read(base, mmroff(0, mmr_thr_pre_set), &m.mmr_thr_pre_set, 4);
+
+ mmc_out(base, mmwoff(0, mmw_freeze), 0);
+
+ /* Copy data to wireless stuff */
+ wstats->status = m.mmr_dce_status & MMR_DCE_STATUS;
+ wstats->qual.qual = m.mmr_sgnl_qual & MMR_SGNL_QUAL;
+ wstats->qual.level = m.mmr_signal_lvl & MMR_SIGNAL_LVL;
+ wstats->qual.noise = m.mmr_silence_lvl & MMR_SILENCE_LVL;
+ wstats->qual.updated = (((m.mmr_signal_lvl & MMR_SIGNAL_LVL_VALID) >> 7) |
+ ((m.mmr_signal_lvl & MMR_SIGNAL_LVL_VALID) >> 6) |
+ ((m.mmr_silence_lvl & MMR_SILENCE_LVL_VALID) >> 5));
+ wstats->discard.nwid += (m.mmr_wrong_nwid_h << 8) | m.mmr_wrong_nwid_l;
+ wstats->discard.code = 0L;
+ wstats->discard.misc = 0L;
+
+ /* ReEnable interrupts & restore flags */
+ spin_unlock_irqrestore(&lp->spinlock, flags);
+
+#ifdef DEBUG_IOCTL_TRACE
+ printk(KERN_DEBUG "%s: <-wavelan_get_wireless_stats()\n", dev->name);
+#endif
+ return &lp->wstats;
+}
+
+/************************* PACKET RECEPTION *************************/
+/*
+ * This part deal with receiving the packets.
+ * The interrupt handler get an interrupt when a packet has been
+ * successfully received and called this part...
+ */
+
+/*------------------------------------------------------------------*/
+/*
+ * Calculate the starting address of the frame pointed to by the receive
+ * frame pointer and verify that the frame seem correct
+ * (called by wv_packet_rcv())
+ */
+static int
+wv_start_of_frame(struct net_device * dev,
+ int rfp, /* end of frame */
+ int wrap) /* start of buffer */
+{
+ unsigned int base = dev->base_addr;
+ int rp;
+ int len;
+
+ rp = (rfp - 5 + RX_SIZE) % RX_SIZE;
+ outb(rp & 0xff, PIORL(base));
+ outb(((rp >> 8) & PIORH_MASK), PIORH(base));
+ len = inb(PIOP(base));
+ len |= inb(PIOP(base)) << 8;
+
+ /* Sanity checks on size */
+ /* Frame too big */
+ if(len > MAXDATAZ + 100)
+ {
+#ifdef DEBUG_RX_ERROR
+ printk(KERN_INFO "%s: wv_start_of_frame: Received frame too large, rfp %d len 0x%x\n",
+ dev->name, rfp, len);
+#endif
+ return(-1);
+ }
+
+ /* Frame too short */
+ if(len < 7)
+ {
+#ifdef DEBUG_RX_ERROR
+ printk(KERN_INFO "%s: wv_start_of_frame: Received null frame, rfp %d len 0x%x\n",
+ dev->name, rfp, len);
+#endif
+ return(-1);
+ }
+
+ /* Wrap around buffer */
+ if(len > ((wrap - (rfp - len) + RX_SIZE) % RX_SIZE)) /* magic formula ! */
+ {
+#ifdef DEBUG_RX_ERROR
+ printk(KERN_INFO "%s: wv_start_of_frame: wrap around buffer, wrap %d rfp %d len 0x%x\n",
+ dev->name, wrap, rfp, len);
+#endif
+ return(-1);
+ }
+
+ return((rp - len + RX_SIZE) % RX_SIZE);
+} /* wv_start_of_frame */
+
+/*------------------------------------------------------------------*/
+/*
+ * This routine does the actual copy of data (including the ethernet
+ * header structure) from the WaveLAN card to an sk_buff chain that
+ * will be passed up to the network interface layer. NOTE: We
+ * currently don't handle trailer protocols (neither does the rest of
+ * the network interface), so if that is needed, it will (at least in
+ * part) be added here. The contents of the receive ring buffer are
+ * copied to a message chain that is then passed to the kernel.
+ *
+ * Note: if any errors occur, the packet is "dropped on the floor"
+ * (called by wv_packet_rcv())
+ */
+static void
+wv_packet_read(struct net_device * dev,
+ int fd_p,
+ int sksize)
+{
+ net_local * lp = netdev_priv(dev);
+ struct sk_buff * skb;
+
+#ifdef DEBUG_RX_TRACE
+ printk(KERN_DEBUG "%s: ->wv_packet_read(0x%X, %d)\n",
+ dev->name, fd_p, sksize);
+#endif
+
+ /* Allocate some buffer for the new packet */
+ if((skb = dev_alloc_skb(sksize+2)) == (struct sk_buff *) NULL)
+ {
+#ifdef DEBUG_RX_ERROR
+ printk(KERN_INFO "%s: wv_packet_read(): could not alloc_skb(%d, GFP_ATOMIC)\n",
+ dev->name, sksize);
+#endif
+ dev->stats.rx_dropped++;
+ /*
+ * Not only do we want to return here, but we also need to drop the
+ * packet on the floor to clear the interrupt.
+ */
+ return;
+ }
+
+ skb_reserve(skb, 2);
+ fd_p = read_ringbuf(dev, fd_p, (char *) skb_put(skb, sksize), sksize);
+ skb->protocol = eth_type_trans(skb, dev);
+
+#ifdef DEBUG_RX_INFO
+ wv_packet_info(skb_mac_header(skb), sksize, dev->name, "wv_packet_read");
+#endif /* DEBUG_RX_INFO */
+
+ /* Statistics gathering & stuff associated.
+ * It seem a bit messy with all the define, but it's really simple... */
+ if(
+#ifdef IW_WIRELESS_SPY
+ (lp->spy_data.spy_number > 0) ||
+#endif /* IW_WIRELESS_SPY */
+#ifdef HISTOGRAM
+ (lp->his_number > 0) ||
+#endif /* HISTOGRAM */
+#ifdef WAVELAN_ROAMING
+ (do_roaming) ||
+#endif /* WAVELAN_ROAMING */
+ 0)
+ {
+ u_char stats[3]; /* Signal level, Noise level, Signal quality */
+
+ /* read signal level, silence level and signal quality bytes */
+ fd_p = read_ringbuf(dev, (fd_p + 4) % RX_SIZE + RX_BASE,
+ stats, 3);
+#ifdef DEBUG_RX_INFO
+ printk(KERN_DEBUG "%s: wv_packet_read(): Signal level %d/63, Silence level %d/63, signal quality %d/16\n",
+ dev->name, stats[0] & 0x3F, stats[1] & 0x3F, stats[2] & 0x0F);
+#endif
+
+#ifdef WAVELAN_ROAMING
+ if(do_roaming)
+ if(WAVELAN_BEACON(skb->data))
+ wl_roam_gather(dev, skb->data, stats);
+#endif /* WAVELAN_ROAMING */
+
+#ifdef WIRELESS_SPY
+ wl_spy_gather(dev, skb_mac_header(skb) + WAVELAN_ADDR_SIZE, stats);
+#endif /* WIRELESS_SPY */
+#ifdef HISTOGRAM
+ wl_his_gather(dev, stats);
+#endif /* HISTOGRAM */
+ }
+
+ /*
+ * Hand the packet to the Network Module
+ */
+ netif_rx(skb);
+
+ /* Keep stats up to date */
+ dev->stats.rx_packets++;
+ dev->stats.rx_bytes += sksize;
+
+#ifdef DEBUG_RX_TRACE
+ printk(KERN_DEBUG "%s: <-wv_packet_read()\n", dev->name);
+#endif
+ return;
+}
+
+/*------------------------------------------------------------------*/
+/*
+ * This routine is called by the interrupt handler to initiate a
+ * packet transfer from the card to the network interface layer above
+ * this driver. This routine checks if a buffer has been successfully
+ * received by the WaveLAN card. If so, the routine wv_packet_read is
+ * called to do the actual transfer of the card's data including the
+ * ethernet header into a packet consisting of an sk_buff chain.
+ * (called by wavelan_interrupt())
+ * Note : the spinlock is already grabbed for us and irq are disabled.
+ */
+static void
+wv_packet_rcv(struct net_device * dev)
+{
+ unsigned int base = dev->base_addr;
+ net_local * lp = netdev_priv(dev);
+ int newrfp;
+ int rp;
+ int len;
+ int f_start;
+ int status;
+ int i593_rfp;
+ int stat_ptr;
+ u_char c[4];
+
+#ifdef DEBUG_RX_TRACE
+ printk(KERN_DEBUG "%s: ->wv_packet_rcv()\n", dev->name);
+#endif
+
+ /* Get the new receive frame pointer from the i82593 chip */
+ outb(CR0_STATUS_2 | OP0_NOP, LCCR(base));
+ i593_rfp = inb(LCSR(base));
+ i593_rfp |= inb(LCSR(base)) << 8;
+ i593_rfp %= RX_SIZE;
+
+ /* Get the new receive frame pointer from the WaveLAN card.
+ * It is 3 bytes more than the increment of the i82593 receive
+ * frame pointer, for each packet. This is because it includes the
+ * 3 roaming bytes added by the mmc.
+ */
+ newrfp = inb(RPLL(base));
+ newrfp |= inb(RPLH(base)) << 8;
+ newrfp %= RX_SIZE;
+
+#ifdef DEBUG_RX_INFO
+ printk(KERN_DEBUG "%s: wv_packet_rcv(): i593_rfp %d stop %d newrfp %d lp->rfp %d\n",
+ dev->name, i593_rfp, lp->stop, newrfp, lp->rfp);
+#endif
+
+#ifdef DEBUG_RX_ERROR
+ /* If no new frame pointer... */
+ if(lp->overrunning || newrfp == lp->rfp)
+ printk(KERN_INFO "%s: wv_packet_rcv(): no new frame: i593_rfp %d stop %d newrfp %d lp->rfp %d\n",
+ dev->name, i593_rfp, lp->stop, newrfp, lp->rfp);
+#endif
+
+ /* Read all frames (packets) received */
+ while(newrfp != lp->rfp)
+ {
+ /* A frame is composed of the packet, followed by a status word,
+ * the length of the frame (word) and the mmc info (SNR & qual).
+ * It's because the length is at the end that we can only scan
+ * frames backward. */
+
+ /* Find the first frame by skipping backwards over the frames */
+ rp = newrfp; /* End of last frame */
+ while(((f_start = wv_start_of_frame(dev, rp, newrfp)) != lp->rfp) &&
+ (f_start != -1))
+ rp = f_start;
+
+ /* If we had a problem */
+ if(f_start == -1)
+ {
+#ifdef DEBUG_RX_ERROR
+ printk(KERN_INFO "wavelan_cs: cannot find start of frame ");
+ printk(" i593_rfp %d stop %d newrfp %d lp->rfp %d\n",
+ i593_rfp, lp->stop, newrfp, lp->rfp);
+#endif
+ lp->rfp = rp; /* Get to the last usable frame */
+ continue;
+ }
+
+ /* f_start point to the beggining of the first frame received
+ * and rp to the beggining of the next one */
+
+ /* Read status & length of the frame */
+ stat_ptr = (rp - 7 + RX_SIZE) % RX_SIZE;
+ stat_ptr = read_ringbuf(dev, stat_ptr, c, 4);
+ status = c[0] | (c[1] << 8);
+ len = c[2] | (c[3] << 8);
+
+ /* Check status */
+ if((status & RX_RCV_OK) != RX_RCV_OK)
+ {
+ dev->stats.rx_errors++;
+ if(status & RX_NO_SFD)
+ dev->stats.rx_frame_errors++;
+ if(status & RX_CRC_ERR)
+ dev->stats.rx_crc_errors++;
+ if(status & RX_OVRRUN)
+ dev->stats.rx_over_errors++;
+
+#ifdef DEBUG_RX_FAIL
+ printk(KERN_DEBUG "%s: wv_packet_rcv(): packet not received ok, status = 0x%x\n",
+ dev->name, status);
+#endif
+ }
+ else
+ /* Read the packet and transmit to Linux */
+ wv_packet_read(dev, f_start, len - 2);
+
+ /* One frame has been processed, skip it */
+ lp->rfp = rp;
+ }
+
+ /*
+ * Update the frame stop register, but set it to less than
+ * the full 8K to allow space for 3 bytes of signal strength
+ * per packet.
+ */
+ lp->stop = (i593_rfp + RX_SIZE - ((RX_SIZE / 64) * 3)) % RX_SIZE;
+ outb(OP0_SWIT_TO_PORT_1 | CR0_CHNL, LCCR(base));
+ outb(CR1_STOP_REG_UPDATE | (lp->stop >> RX_SIZE_SHIFT), LCCR(base));
+ outb(OP1_SWIT_TO_PORT_0, LCCR(base));
+
+#ifdef DEBUG_RX_TRACE
+ printk(KERN_DEBUG "%s: <-wv_packet_rcv()\n", dev->name);
+#endif
+}
+
+/*********************** PACKET TRANSMISSION ***********************/
+/*
+ * This part deal with sending packet through the wavelan
+ * We copy the packet to the send buffer and then issue the send
+ * command to the i82593. The result of this operation will be
+ * checked in wavelan_interrupt()
+ */
+
+/*------------------------------------------------------------------*/
+/*
+ * This routine fills in the appropriate registers and memory
+ * locations on the WaveLAN card and starts the card off on
+ * the transmit.
+ * (called in wavelan_packet_xmit())
+ */
+static void
+wv_packet_write(struct net_device * dev,
+ void * buf,
+ short length)
+{
+ net_local * lp = netdev_priv(dev);
+ unsigned int base = dev->base_addr;
+ unsigned long flags;
+ int clen = length;
+ register u_short xmtdata_base = TX_BASE;
+
+#ifdef DEBUG_TX_TRACE
+ printk(KERN_DEBUG "%s: ->wv_packet_write(%d)\n", dev->name, length);
+#endif
+
+ spin_lock_irqsave(&lp->spinlock, flags);
+
+ /* Write the length of data buffer followed by the buffer */
+ outb(xmtdata_base & 0xff, PIORL(base));
+ outb(((xmtdata_base >> 8) & PIORH_MASK) | PIORH_SEL_TX, PIORH(base));
+ outb(clen & 0xff, PIOP(base)); /* lsb */
+ outb(clen >> 8, PIOP(base)); /* msb */
+
+ /* Send the data */
+ outsb(PIOP(base), buf, clen);
+
+ /* Indicate end of transmit chain */
+ outb(OP0_NOP, PIOP(base));
+ /* josullvn@cs.cmu.edu: need to send a second NOP for alignment... */
+ outb(OP0_NOP, PIOP(base));
+
+ /* Reset the transmit DMA pointer */
+ hacr_write_slow(base, HACR_PWR_STAT | HACR_TX_DMA_RESET);
+ hacr_write(base, HACR_DEFAULT);
+ /* Send the transmit command */
+ wv_82593_cmd(dev, "wv_packet_write(): transmit",
+ OP0_TRANSMIT, SR0_NO_RESULT);
+
+ /* Make sure the watchdog will keep quiet for a while */
+ dev->trans_start = jiffies;
+
+ /* Keep stats up to date */
+ dev->stats.tx_bytes += length;
+
+ spin_unlock_irqrestore(&lp->spinlock, flags);
+
+#ifdef DEBUG_TX_INFO
+ wv_packet_info((u_char *) buf, length, dev->name, "wv_packet_write");
+#endif /* DEBUG_TX_INFO */
+
+#ifdef DEBUG_TX_TRACE
+ printk(KERN_DEBUG "%s: <-wv_packet_write()\n", dev->name);
+#endif
+}
+
+/*------------------------------------------------------------------*/
+/*
+ * This routine is called when we want to send a packet (NET3 callback)
+ * In this routine, we check if the harware is ready to accept
+ * the packet. We also prevent reentrance. Then, we call the function
+ * to send the packet...
+ */
+static netdev_tx_t
+wavelan_packet_xmit(struct sk_buff * skb,
+ struct net_device * dev)
+{
+ net_local * lp = netdev_priv(dev);
+ unsigned long flags;
+
+#ifdef DEBUG_TX_TRACE
+ printk(KERN_DEBUG "%s: ->wavelan_packet_xmit(0x%X)\n", dev->name,
+ (unsigned) skb);
+#endif
+
+ /*
+ * Block a timer-based transmit from overlapping a previous transmit.
+ * In other words, prevent reentering this routine.
+ */
+ netif_stop_queue(dev);
+
+ /* If somebody has asked to reconfigure the controller,
+ * we can do it now */
+ if(lp->reconfig_82593)
+ {
+ spin_lock_irqsave(&lp->spinlock, flags); /* Disable interrupts */
+ wv_82593_config(dev);
+ spin_unlock_irqrestore(&lp->spinlock, flags); /* Re-enable interrupts */
+ /* Note : the configure procedure was totally synchronous,
+ * so the Tx buffer is now free */
+ }
+
+ /* Check if we need some padding */
+ /* Note : on wireless the propagation time is in the order of 1us,
+ * and we don't have the Ethernet specific requirement of beeing
+ * able to detect collisions, therefore in theory we don't really
+ * need to pad. Jean II */
+ if (skb_padto(skb, ETH_ZLEN))
+ return NETDEV_TX_OK;
+
+ wv_packet_write(dev, skb->data, skb->len);
+
+ dev_kfree_skb(skb);
+
+#ifdef DEBUG_TX_TRACE
+ printk(KERN_DEBUG "%s: <-wavelan_packet_xmit()\n", dev->name);
+#endif
+ return NETDEV_TX_OK;
+}
+
+/********************** HARDWARE CONFIGURATION **********************/
+/*
+ * This part do the real job of starting and configuring the hardware.
+ */
+
+/*------------------------------------------------------------------*/
+/*
+ * Routine to initialize the Modem Management Controller.
+ * (called by wv_hw_config())
+ */
+static int
+wv_mmc_init(struct net_device * dev)
+{
+ unsigned int base = dev->base_addr;
+ psa_t psa;
+ mmw_t m;
+ int configured;
+ int i; /* Loop counter */
+
+#ifdef DEBUG_CONFIG_TRACE
+ printk(KERN_DEBUG "%s: ->wv_mmc_init()\n", dev->name);
+#endif
+
+ /* Read the parameter storage area */
+ psa_read(dev, 0, (unsigned char *) &psa, sizeof(psa));
+
+ /*
+ * Check the first three octets of the MAC addr for the manufacturer's code.
+ * Note: If you get the error message below, you've got a
+ * non-NCR/AT&T/Lucent PCMCIA cards, see wavelan_cs.h for detail on
+ * how to configure your card...
+ */
+ for (i = 0; i < ARRAY_SIZE(MAC_ADDRESSES); i++)
+ if ((psa.psa_univ_mac_addr[0] == MAC_ADDRESSES[i][0]) &&
+ (psa.psa_univ_mac_addr[1] == MAC_ADDRESSES[i][1]) &&
+ (psa.psa_univ_mac_addr[2] == MAC_ADDRESSES[i][2]))
+ break;
+
+ /* If we have not found it... */
+ if (i == ARRAY_SIZE(MAC_ADDRESSES))
+ {
+#ifdef DEBUG_CONFIG_ERRORS
+ printk(KERN_WARNING "%s: wv_mmc_init(): Invalid MAC address: %02X:%02X:%02X:...\n",
+ dev->name, psa.psa_univ_mac_addr[0],
+ psa.psa_univ_mac_addr[1], psa.psa_univ_mac_addr[2]);
+#endif
+ return FALSE;
+ }
+
+ /* Get the MAC address */
+ memcpy(&dev->dev_addr[0], &psa.psa_univ_mac_addr[0], WAVELAN_ADDR_SIZE);
+
+#ifdef USE_PSA_CONFIG
+ configured = psa.psa_conf_status & 1;
+#else
+ configured = 0;
+#endif
+
+ /* Is the PSA is not configured */
+ if(!configured)
+ {
+ /* User will be able to configure NWID after (with iwconfig) */
+ psa.psa_nwid[0] = 0;
+ psa.psa_nwid[1] = 0;
+
+ /* As NWID is not set : no NWID checking */
+ psa.psa_nwid_select = 0;
+
+ /* Disable encryption */
+ psa.psa_encryption_select = 0;
+
+ /* Set to standard values
+ * 0x04 for AT,
+ * 0x01 for MCA,
+ * 0x04 for PCMCIA and 2.00 card (AT&T 407-024689/E document)
+ */
+ if (psa.psa_comp_number & 1)
+ psa.psa_thr_pre_set = 0x01;
+ else
+ psa.psa_thr_pre_set = 0x04;
+ psa.psa_quality_thr = 0x03;
+
+ /* It is configured */
+ psa.psa_conf_status |= 1;
+
+#ifdef USE_PSA_CONFIG
+ /* Write the psa */
+ psa_write(dev, (char *)psa.psa_nwid - (char *)&psa,
+ (unsigned char *)psa.psa_nwid, 4);
+ psa_write(dev, (char *)&psa.psa_thr_pre_set - (char *)&psa,
+ (unsigned char *)&psa.psa_thr_pre_set, 1);
+ psa_write(dev, (char *)&psa.psa_quality_thr - (char *)&psa,
+ (unsigned char *)&psa.psa_quality_thr, 1);
+ psa_write(dev, (char *)&psa.psa_conf_status - (char *)&psa,
+ (unsigned char *)&psa.psa_conf_status, 1);
+ /* update the Wavelan checksum */
+ update_psa_checksum(dev);
+#endif /* USE_PSA_CONFIG */
+ }
+
+ /* Zero the mmc structure */
+ memset(&m, 0x00, sizeof(m));
+
+ /* Copy PSA info to the mmc */
+ m.mmw_netw_id_l = psa.psa_nwid[1];
+ m.mmw_netw_id_h = psa.psa_nwid[0];
+
+ if(psa.psa_nwid_select & 1)
+ m.mmw_loopt_sel = 0x00;
+ else
+ m.mmw_loopt_sel = MMW_LOOPT_SEL_DIS_NWID;
+
+ memcpy(&m.mmw_encr_key, &psa.psa_encryption_key,
+ sizeof(m.mmw_encr_key));
+
+ if(psa.psa_encryption_select)
+ m.mmw_encr_enable = MMW_ENCR_ENABLE_EN | MMW_ENCR_ENABLE_MODE;
+ else
+ m.mmw_encr_enable = 0;
+
+ m.mmw_thr_pre_set = psa.psa_thr_pre_set & 0x3F;
+ m.mmw_quality_thr = psa.psa_quality_thr & 0x0F;
+
+ /*
+ * Set default modem control parameters.
+ * See NCR document 407-0024326 Rev. A.
+ */
+ m.mmw_jabber_enable = 0x01;
+ m.mmw_anten_sel = MMW_ANTEN_SEL_ALG_EN;
+ m.mmw_ifs = 0x20;
+ m.mmw_mod_delay = 0x04;
+ m.mmw_jam_time = 0x38;
+
+ m.mmw_des_io_invert = 0;
+ m.mmw_freeze = 0;
+ m.mmw_decay_prm = 0;
+ m.mmw_decay_updat_prm = 0;
+
+ /* Write all info to mmc */
+ mmc_write(base, 0, (u_char *)&m, sizeof(m));
+
+ /* The following code start the modem of the 2.00 frequency
+ * selectable cards at power on. It's not strictly needed for the
+ * following boots...
+ * The original patch was by Joe Finney for the PCMCIA driver, but
+ * I've cleaned it a bit and add documentation.
+ * Thanks to Loeke Brederveld from Lucent for the info.
+ */
+
+ /* Attempt to recognise 2.00 cards (2.4 GHz frequency selectable)
+ * (does it work for everybody ? - especially old cards...) */
+ /* Note : WFREQSEL verify that it is able to read from EEprom
+ * a sensible frequency (address 0x00) + that MMR_FEE_STATUS_ID
+ * is 0xA (Xilinx version) or 0xB (Ariadne version).
+ * My test is more crude but do work... */
+ if(!(mmc_in(base, mmroff(0, mmr_fee_status)) &
+ (MMR_FEE_STATUS_DWLD | MMR_FEE_STATUS_BUSY)))
+ {
+ /* We must download the frequency parameters to the
+ * synthetisers (from the EEprom - area 1)
+ * Note : as the EEprom is auto decremented, we set the end
+ * if the area... */
+ m.mmw_fee_addr = 0x0F;
+ m.mmw_fee_ctrl = MMW_FEE_CTRL_READ | MMW_FEE_CTRL_DWLD;
+ mmc_write(base, (char *)&m.mmw_fee_ctrl - (char *)&m,
+ (unsigned char *)&m.mmw_fee_ctrl, 2);
+
+ /* Wait until the download is finished */
+ fee_wait(base, 100, 100);
+
+#ifdef DEBUG_CONFIG_INFO
+ /* The frequency was in the last word downloaded... */
+ mmc_read(base, (char *)&m.mmw_fee_data_l - (char *)&m,
+ (unsigned char *)&m.mmw_fee_data_l, 2);
+
+ /* Print some info for the user */
+ printk(KERN_DEBUG "%s: Wavelan 2.00 recognised (frequency select) : Current frequency = %ld\n",
+ dev->name,
+ ((m.mmw_fee_data_h << 4) |
+ (m.mmw_fee_data_l >> 4)) * 5 / 2 + 24000L);
+#endif
+
+ /* We must now download the power adjust value (gain) to
+ * the synthetisers (from the EEprom - area 7 - DAC) */
+ m.mmw_fee_addr = 0x61;
+ m.mmw_fee_ctrl = MMW_FEE_CTRL_READ | MMW_FEE_CTRL_DWLD;
+ mmc_write(base, (char *)&m.mmw_fee_ctrl - (char *)&m,
+ (unsigned char *)&m.mmw_fee_ctrl, 2);
+
+ /* Wait until the download is finished */
+ } /* if 2.00 card */
+
+#ifdef DEBUG_CONFIG_TRACE
+ printk(KERN_DEBUG "%s: <-wv_mmc_init()\n", dev->name);
+#endif
+ return TRUE;
+}
+
+/*------------------------------------------------------------------*/
+/*
+ * Routine to gracefully turn off reception, and wait for any commands
+ * to complete.
+ * (called in wv_ru_start() and wavelan_close() and wavelan_event())
+ */
+static int
+wv_ru_stop(struct net_device * dev)
+{
+ unsigned int base = dev->base_addr;
+ net_local * lp = netdev_priv(dev);
+ unsigned long flags;
+ int status;
+ int spin;
+
+#ifdef DEBUG_CONFIG_TRACE
+ printk(KERN_DEBUG "%s: ->wv_ru_stop()\n", dev->name);
+#endif
+
+ spin_lock_irqsave(&lp->spinlock, flags);
+
+ /* First, send the LAN controller a stop receive command */
+ wv_82593_cmd(dev, "wv_graceful_shutdown(): stop-rcv",
+ OP0_STOP_RCV, SR0_NO_RESULT);
+
+ /* Then, spin until the receive unit goes idle */
+ spin = 300;
+ do
+ {
+ udelay(10);
+ outb(OP0_NOP | CR0_STATUS_3, LCCR(base));
+ status = inb(LCSR(base));
+ }
+ while(((status & SR3_RCV_STATE_MASK) != SR3_RCV_IDLE) && (spin-- > 0));
+
+ /* Now, spin until the chip finishes executing its current command */
+ do
+ {
+ udelay(10);
+ outb(OP0_NOP | CR0_STATUS_3, LCCR(base));
+ status = inb(LCSR(base));
+ }
+ while(((status & SR3_EXEC_STATE_MASK) != SR3_EXEC_IDLE) && (spin-- > 0));
+
+ spin_unlock_irqrestore(&lp->spinlock, flags);
+
+ /* If there was a problem */
+ if(spin <= 0)
+ {
+#ifdef DEBUG_CONFIG_ERRORS
+ printk(KERN_INFO "%s: wv_ru_stop(): The chip doesn't want to stop...\n",
+ dev->name);
+#endif
+ return FALSE;
+ }
+
+#ifdef DEBUG_CONFIG_TRACE
+ printk(KERN_DEBUG "%s: <-wv_ru_stop()\n", dev->name);
+#endif
+ return TRUE;
+} /* wv_ru_stop */
+
+/*------------------------------------------------------------------*/
+/*
+ * This routine starts the receive unit running. First, it checks if
+ * the card is actually ready. Then the card is instructed to receive
+ * packets again.
+ * (called in wv_hw_reset() & wavelan_open())
+ */
+static int
+wv_ru_start(struct net_device * dev)
+{
+ unsigned int base = dev->base_addr;
+ net_local * lp = netdev_priv(dev);
+ unsigned long flags;
+
+#ifdef DEBUG_CONFIG_TRACE
+ printk(KERN_DEBUG "%s: ->wv_ru_start()\n", dev->name);
+#endif
+
+ /*
+ * We need to start from a quiescent state. To do so, we could check
+ * if the card is already running, but instead we just try to shut
+ * it down. First, we disable reception (in case it was already enabled).
+ */
+ if(!wv_ru_stop(dev))
+ return FALSE;
+
+ spin_lock_irqsave(&lp->spinlock, flags);
+
+ /* Now we know that no command is being executed. */
+
+ /* Set the receive frame pointer and stop pointer */
+ lp->rfp = 0;
+ outb(OP0_SWIT_TO_PORT_1 | CR0_CHNL, LCCR(base));
+
+ /* Reset ring management. This sets the receive frame pointer to 1 */
+ outb(OP1_RESET_RING_MNGMT, LCCR(base));
+
+#if 0
+ /* XXX the i82593 manual page 6-4 seems to indicate that the stop register
+ should be set as below */
+ /* outb(CR1_STOP_REG_UPDATE|((RX_SIZE - 0x40)>> RX_SIZE_SHIFT),LCCR(base));*/
+#elif 0
+ /* but I set it 0 instead */
+ lp->stop = 0;
+#else
+ /* but I set it to 3 bytes per packet less than 8K */
+ lp->stop = (0 + RX_SIZE - ((RX_SIZE / 64) * 3)) % RX_SIZE;
+#endif
+ outb(CR1_STOP_REG_UPDATE | (lp->stop >> RX_SIZE_SHIFT), LCCR(base));
+ outb(OP1_INT_ENABLE, LCCR(base));
+ outb(OP1_SWIT_TO_PORT_0, LCCR(base));
+
+ /* Reset receive DMA pointer */
+ hacr_write_slow(base, HACR_PWR_STAT | HACR_TX_DMA_RESET);
+ hacr_write_slow(base, HACR_DEFAULT);
+
+ /* Receive DMA on channel 1 */
+ wv_82593_cmd(dev, "wv_ru_start(): rcv-enable",
+ CR0_CHNL | OP0_RCV_ENABLE, SR0_NO_RESULT);
+
+#ifdef DEBUG_I82593_SHOW
+ {
+ int status;
+ int opri;
+ int spin = 10000;
+
+ /* spin until the chip starts receiving */
+ do
+ {
+ outb(OP0_NOP | CR0_STATUS_3, LCCR(base));
+ status = inb(LCSR(base));
+ if(spin-- <= 0)
+ break;
+ }
+ while(((status & SR3_RCV_STATE_MASK) != SR3_RCV_ACTIVE) &&
+ ((status & SR3_RCV_STATE_MASK) != SR3_RCV_READY));
+ printk(KERN_DEBUG "rcv status is 0x%x [i:%d]\n",
+ (status & SR3_RCV_STATE_MASK), i);
+ }
+#endif
+
+ spin_unlock_irqrestore(&lp->spinlock, flags);
+
+#ifdef DEBUG_CONFIG_TRACE
+ printk(KERN_DEBUG "%s: <-wv_ru_start()\n", dev->name);
+#endif
+ return TRUE;
+}
+
+/*------------------------------------------------------------------*/
+/*
+ * This routine does a standard config of the WaveLAN controller (i82593).
+ * In the ISA driver, this is integrated in wavelan_hardware_reset()
+ * (called by wv_hw_config(), wv_82593_reconfig() & wavelan_packet_xmit())
+ */
+static int
+wv_82593_config(struct net_device * dev)
+{
+ unsigned int base = dev->base_addr;
+ net_local * lp = netdev_priv(dev);
+ struct i82593_conf_block cfblk;
+ int ret = TRUE;
+
+#ifdef DEBUG_CONFIG_TRACE
+ printk(KERN_DEBUG "%s: ->wv_82593_config()\n", dev->name);
+#endif
+
+ /* Create & fill i82593 config block
+ *
+ * Now conform to Wavelan document WCIN085B
+ */
+ memset(&cfblk, 0x00, sizeof(struct i82593_conf_block));
+ cfblk.d6mod = FALSE; /* Run in i82593 advanced mode */
+ cfblk.fifo_limit = 5; /* = 56 B rx and 40 B tx fifo thresholds */
+ cfblk.forgnesi = FALSE; /* 0=82C501, 1=AMD7992B compatibility */
+ cfblk.fifo_32 = 1;
+ cfblk.throttle_enb = FALSE;
+ cfblk.contin = TRUE; /* enable continuous mode */
+ cfblk.cntrxint = FALSE; /* enable continuous mode receive interrupts */
+ cfblk.addr_len = WAVELAN_ADDR_SIZE;
+ cfblk.acloc = TRUE; /* Disable source addr insertion by i82593 */
+ cfblk.preamb_len = 0; /* 2 bytes preamble (SFD) */
+ cfblk.loopback = FALSE;
+ cfblk.lin_prio = 0; /* conform to 802.3 backoff algorithm */
+ cfblk.exp_prio = 5; /* conform to 802.3 backoff algorithm */
+ cfblk.bof_met = 1; /* conform to 802.3 backoff algorithm */
+ cfblk.ifrm_spc = 0x20 >> 4; /* 32 bit times interframe spacing */
+ cfblk.slottim_low = 0x20 >> 5; /* 32 bit times slot time */
+ cfblk.slottim_hi = 0x0;
+ cfblk.max_retr = 15;
+ cfblk.prmisc = ((lp->promiscuous) ? TRUE: FALSE); /* Promiscuous mode */
+ cfblk.bc_dis = FALSE; /* Enable broadcast reception */
+ cfblk.crs_1 = TRUE; /* Transmit without carrier sense */
+ cfblk.nocrc_ins = FALSE; /* i82593 generates CRC */
+ cfblk.crc_1632 = FALSE; /* 32-bit Autodin-II CRC */
+ cfblk.crs_cdt = FALSE; /* CD not to be interpreted as CS */
+ cfblk.cs_filter = 0; /* CS is recognized immediately */
+ cfblk.crs_src = FALSE; /* External carrier sense */
+ cfblk.cd_filter = 0; /* CD is recognized immediately */
+ cfblk.min_fr_len = ETH_ZLEN >> 2; /* Minimum frame length 64 bytes */
+ cfblk.lng_typ = FALSE; /* Length field > 1500 = type field */
+ cfblk.lng_fld = TRUE; /* Disable 802.3 length field check */
+ cfblk.rxcrc_xf = TRUE; /* Don't transfer CRC to memory */
+ cfblk.artx = TRUE; /* Disable automatic retransmission */
+ cfblk.sarec = TRUE; /* Disable source addr trig of CD */
+ cfblk.tx_jabber = TRUE; /* Disable jabber jam sequence */
+ cfblk.hash_1 = FALSE; /* Use bits 0-5 in mc address hash */
+ cfblk.lbpkpol = TRUE; /* Loopback pin active high */
+ cfblk.fdx = FALSE; /* Disable full duplex operation */
+ cfblk.dummy_6 = 0x3f; /* all ones */
+ cfblk.mult_ia = FALSE; /* No multiple individual addresses */
+ cfblk.dis_bof = FALSE; /* Disable the backoff algorithm ?! */
+ cfblk.dummy_1 = TRUE; /* set to 1 */
+ cfblk.tx_ifs_retrig = 3; /* Hmm... Disabled */
+#ifdef MULTICAST_ALL
+ cfblk.mc_all = (lp->allmulticast ? TRUE: FALSE); /* Allow all multicasts */
+#else
+ cfblk.mc_all = FALSE; /* No multicast all mode */
+#endif
+ cfblk.rcv_mon = 0; /* Monitor mode disabled */
+ cfblk.frag_acpt = TRUE; /* Do not accept fragments */
+ cfblk.tstrttrs = FALSE; /* No start transmission threshold */
+ cfblk.fretx = TRUE; /* FIFO automatic retransmission */
+ cfblk.syncrqs = FALSE; /* Synchronous DRQ deassertion... */
+ cfblk.sttlen = TRUE; /* 6 byte status registers */
+ cfblk.rx_eop = TRUE; /* Signal EOP on packet reception */
+ cfblk.tx_eop = TRUE; /* Signal EOP on packet transmission */
+ cfblk.rbuf_size = RX_SIZE>>11; /* Set receive buffer size */
+ cfblk.rcvstop = TRUE; /* Enable Receive Stop Register */
+
+#ifdef DEBUG_I82593_SHOW
+ print_hex_dump(KERN_DEBUG, "wavelan_cs: config block: ", DUMP_PREFIX_NONE,
+ 16, 1, &cfblk, sizeof(struct i82593_conf_block), false);
+#endif
+
+ /* Copy the config block to the i82593 */
+ outb(TX_BASE & 0xff, PIORL(base));
+ outb(((TX_BASE >> 8) & PIORH_MASK) | PIORH_SEL_TX, PIORH(base));
+ outb(sizeof(struct i82593_conf_block) & 0xff, PIOP(base)); /* lsb */
+ outb(sizeof(struct i82593_conf_block) >> 8, PIOP(base)); /* msb */
+ outsb(PIOP(base), (char *) &cfblk, sizeof(struct i82593_conf_block));
+
+ /* reset transmit DMA pointer */
+ hacr_write_slow(base, HACR_PWR_STAT | HACR_TX_DMA_RESET);
+ hacr_write(base, HACR_DEFAULT);
+ if(!wv_82593_cmd(dev, "wv_82593_config(): configure",
+ OP0_CONFIGURE, SR0_CONFIGURE_DONE))
+ ret = FALSE;
+
+ /* Initialize adapter's ethernet MAC address */
+ outb(TX_BASE & 0xff, PIORL(base));
+ outb(((TX_BASE >> 8) & PIORH_MASK) | PIORH_SEL_TX, PIORH(base));
+ outb(WAVELAN_ADDR_SIZE, PIOP(base)); /* byte count lsb */
+ outb(0, PIOP(base)); /* byte count msb */
+ outsb(PIOP(base), &dev->dev_addr[0], WAVELAN_ADDR_SIZE);
+
+ /* reset transmit DMA pointer */
+ hacr_write_slow(base, HACR_PWR_STAT | HACR_TX_DMA_RESET);
+ hacr_write(base, HACR_DEFAULT);
+ if(!wv_82593_cmd(dev, "wv_82593_config(): ia-setup",
+ OP0_IA_SETUP, SR0_IA_SETUP_DONE))
+ ret = FALSE;
+
+#ifdef WAVELAN_ROAMING
+ /* If roaming is enabled, join the "Beacon Request" multicast group... */
+ /* But only if it's not in there already! */
+ if(do_roaming)
+ dev_mc_add(dev,WAVELAN_BEACON_ADDRESS, WAVELAN_ADDR_SIZE, 1);
+#endif /* WAVELAN_ROAMING */
+
+ /* If any multicast address to set */
+ if(lp->mc_count)
+ {
+ struct dev_mc_list * dmi;
+ int addrs_len = WAVELAN_ADDR_SIZE * lp->mc_count;
+
+#ifdef DEBUG_CONFIG_INFO
+ printk(KERN_DEBUG "%s: wv_hw_config(): set %d multicast addresses:\n",
+ dev->name, lp->mc_count);
+ for(dmi=dev->mc_list; dmi; dmi=dmi->next)
+ printk(KERN_DEBUG " %pM\n", dmi->dmi_addr);
+#endif
+
+ /* Initialize adapter's ethernet multicast addresses */
+ outb(TX_BASE & 0xff, PIORL(base));
+ outb(((TX_BASE >> 8) & PIORH_MASK) | PIORH_SEL_TX, PIORH(base));
+ outb(addrs_len & 0xff, PIOP(base)); /* byte count lsb */
+ outb((addrs_len >> 8), PIOP(base)); /* byte count msb */
+ for(dmi=dev->mc_list; dmi; dmi=dmi->next)
+ outsb(PIOP(base), dmi->dmi_addr, dmi->dmi_addrlen);
+
+ /* reset transmit DMA pointer */
+ hacr_write_slow(base, HACR_PWR_STAT | HACR_TX_DMA_RESET);
+ hacr_write(base, HACR_DEFAULT);
+ if(!wv_82593_cmd(dev, "wv_82593_config(): mc-setup",
+ OP0_MC_SETUP, SR0_MC_SETUP_DONE))
+ ret = FALSE;
+ lp->mc_count = dev->mc_count; /* remember to avoid repeated reset */
+ }
+
+ /* Job done, clear the flag */
+ lp->reconfig_82593 = FALSE;
+
+#ifdef DEBUG_CONFIG_TRACE
+ printk(KERN_DEBUG "%s: <-wv_82593_config()\n", dev->name);
+#endif
+ return(ret);
+}
+
+/*------------------------------------------------------------------*/
+/*
+ * Read the Access Configuration Register, perform a software reset,
+ * and then re-enable the card's software.
+ *
+ * If I understand correctly : reset the pcmcia interface of the
+ * wavelan.
+ * (called by wv_config())
+ */
+static int
+wv_pcmcia_reset(struct net_device * dev)
+{
+ int i;
+ conf_reg_t reg = { 0, CS_READ, CISREG_COR, 0 };
+ struct pcmcia_device * link = ((net_local *)netdev_priv(dev))->link;
+
+#ifdef DEBUG_CONFIG_TRACE
+ printk(KERN_DEBUG "%s: ->wv_pcmcia_reset()\n", dev->name);
+#endif
+
+ i = pcmcia_access_configuration_register(link, ®);
+ if (i != 0)
+ {
+ cs_error(link, AccessConfigurationRegister, i);
+ return FALSE;
+ }
+
+#ifdef DEBUG_CONFIG_INFO
+ printk(KERN_DEBUG "%s: wavelan_pcmcia_reset(): Config reg is 0x%x\n",
+ dev->name, (u_int) reg.Value);
+#endif
+
+ reg.Action = CS_WRITE;
+ reg.Value = reg.Value | COR_SW_RESET;
+ i = pcmcia_access_configuration_register(link, ®);
+ if (i != 0)
+ {
+ cs_error(link, AccessConfigurationRegister, i);
+ return FALSE;
+ }
+
+ reg.Action = CS_WRITE;
+ reg.Value = COR_LEVEL_IRQ | COR_CONFIG;
+ i = pcmcia_access_configuration_register(link, ®);
+ if (i != 0)
+ {
+ cs_error(link, AccessConfigurationRegister, i);
+ return FALSE;
+ }
+
+#ifdef DEBUG_CONFIG_TRACE
+ printk(KERN_DEBUG "%s: <-wv_pcmcia_reset()\n", dev->name);
+#endif
+ return TRUE;
+}
+
+/*------------------------------------------------------------------*/
+/*
+ * wavelan_hw_config() is called after a CARD_INSERTION event is
+ * received, to configure the wavelan hardware.
+ * Note that the reception will be enabled in wavelan->open(), so the
+ * device is configured but idle...
+ * Performs the following actions:
+ * 1. A pcmcia software reset (using wv_pcmcia_reset())
+ * 2. A power reset (reset DMA)
+ * 3. Reset the LAN controller
+ * 4. Initialize the radio modem (using wv_mmc_init)
+ * 5. Configure LAN controller (using wv_82593_config)
+ * 6. Perform a diagnostic on the LAN controller
+ * (called by wavelan_event() & wv_hw_reset())
+ */
+static int
+wv_hw_config(struct net_device * dev)
+{
+ net_local * lp = netdev_priv(dev);
+ unsigned int base = dev->base_addr;
+ unsigned long flags;
+ int ret = FALSE;
+
+#ifdef DEBUG_CONFIG_TRACE
+ printk(KERN_DEBUG "%s: ->wv_hw_config()\n", dev->name);
+#endif
+
+ /* compile-time check the sizes of structures */
+ BUILD_BUG_ON(sizeof(psa_t) != PSA_SIZE);
+ BUILD_BUG_ON(sizeof(mmw_t) != MMW_SIZE);
+ BUILD_BUG_ON(sizeof(mmr_t) != MMR_SIZE);
+
+ /* Reset the pcmcia interface */
+ if(wv_pcmcia_reset(dev) == FALSE)
+ return FALSE;
+
+ /* Disable interrupts */
+ spin_lock_irqsave(&lp->spinlock, flags);
+
+ /* Disguised goto ;-) */
+ do
+ {
+ /* Power UP the module + reset the modem + reset host adapter
+ * (in fact, reset DMA channels) */
+ hacr_write_slow(base, HACR_RESET);
+ hacr_write(base, HACR_DEFAULT);
+
+ /* Check if the module has been powered up... */
+ if(hasr_read(base) & HASR_NO_CLK)
+ {
+#ifdef DEBUG_CONFIG_ERRORS
+ printk(KERN_WARNING "%s: wv_hw_config(): modem not connected or not a wavelan card\n",
+ dev->name);
+#endif
+ break;
+ }
+
+ /* initialize the modem */
+ if(wv_mmc_init(dev) == FALSE)
+ {
+#ifdef DEBUG_CONFIG_ERRORS
+ printk(KERN_WARNING "%s: wv_hw_config(): Can't configure the modem\n",
+ dev->name);
+#endif
+ break;
+ }
+
+ /* reset the LAN controller (i82593) */
+ outb(OP0_RESET, LCCR(base));
+ mdelay(1); /* A bit crude ! */
+
+ /* Initialize the LAN controller */
+ if(wv_82593_config(dev) == FALSE)
+ {
+#ifdef DEBUG_CONFIG_ERRORS
+ printk(KERN_INFO "%s: wv_hw_config(): i82593 init failed\n",
+ dev->name);
+#endif
+ break;
+ }
+
+ /* Diagnostic */
+ if(wv_diag(dev) == FALSE)
+ {
+#ifdef DEBUG_CONFIG_ERRORS
+ printk(KERN_INFO "%s: wv_hw_config(): i82593 diagnostic failed\n",
+ dev->name);
+#endif
+ break;
+ }
+
+ /*
+ * insert code for loopback test here
+ */
+
+ /* The device is now configured */
+ lp->configured = 1;
+ ret = TRUE;
+ }
+ while(0);
+
+ /* Re-enable interrupts */
+ spin_unlock_irqrestore(&lp->spinlock, flags);
+
+#ifdef DEBUG_CONFIG_TRACE
+ printk(KERN_DEBUG "%s: <-wv_hw_config()\n", dev->name);
+#endif
+ return(ret);
+}
+
+/*------------------------------------------------------------------*/
+/*
+ * Totally reset the wavelan and restart it.
+ * Performs the following actions:
+ * 1. Call wv_hw_config()
+ * 2. Start the LAN controller's receive unit
+ * (called by wavelan_event(), wavelan_watchdog() and wavelan_open())
+ */
+static void
+wv_hw_reset(struct net_device * dev)
+{
+ net_local * lp = netdev_priv(dev);
+
+#ifdef DEBUG_CONFIG_TRACE
+ printk(KERN_DEBUG "%s: ->wv_hw_reset()\n", dev->name);
+#endif
+
+ lp->nresets++;
+ lp->configured = 0;
+
+ /* Call wv_hw_config() for most of the reset & init stuff */
+ if(wv_hw_config(dev) == FALSE)
+ return;
+
+ /* start receive unit */
+ wv_ru_start(dev);
+
+#ifdef DEBUG_CONFIG_TRACE
+ printk(KERN_DEBUG "%s: <-wv_hw_reset()\n", dev->name);
+#endif
+}
+
+/*------------------------------------------------------------------*/
+/*
+ * wv_pcmcia_config() is called after a CARD_INSERTION event is
+ * received, to configure the PCMCIA socket, and to make the ethernet
+ * device available to the system.
+ * (called by wavelan_event())
+ */
+static int
+wv_pcmcia_config(struct pcmcia_device * link)
+{
+ struct net_device * dev = (struct net_device *) link->priv;
+ int i;
+ win_req_t req;
+ memreq_t mem;
+ net_local * lp = netdev_priv(dev);
+
+
+#ifdef DEBUG_CONFIG_TRACE
+ printk(KERN_DEBUG "->wv_pcmcia_config(0x%p)\n", link);
+#endif
+
+ do
+ {
+ i = pcmcia_request_io(link, &link->io);
+ if (i != 0)
+ {
+ cs_error(link, RequestIO, i);
+ break;
+ }
+
+ /*
+ * Now allocate an interrupt line. Note that this does not
+ * actually assign a handler to the interrupt.
+ */
+ i = pcmcia_request_irq(link, &link->irq);
+ if (i != 0)
+ {
+ cs_error(link, RequestIRQ, i);
+ break;
+ }
+
+ /*
+ * This actually configures the PCMCIA socket -- setting up
+ * the I/O windows and the interrupt mapping.
+ */
+ link->conf.ConfigIndex = 1;
+ i = pcmcia_request_configuration(link, &link->conf);
+ if (i != 0)
+ {
+ cs_error(link, RequestConfiguration, i);
+ break;
+ }
+
+ /*
+ * Allocate a small memory window. Note that the struct pcmcia_device
+ * structure provides space for one window handle -- if your
+ * device needs several windows, you'll need to keep track of
+ * the handles in your private data structure, link->priv.
+ */
+ req.Attributes = WIN_DATA_WIDTH_8|WIN_MEMORY_TYPE_AM|WIN_ENABLE;
+ req.Base = req.Size = 0;
+ req.AccessSpeed = mem_speed;
+ i = pcmcia_request_window(&link, &req, &link->win);
+ if (i != 0)
+ {
+ cs_error(link, RequestWindow, i);
+ break;
+ }
+
+ lp->mem = ioremap(req.Base, req.Size);
+ dev->mem_start = (u_long)lp->mem;
+ dev->mem_end = dev->mem_start + req.Size;
+
+ mem.CardOffset = 0; mem.Page = 0;
+ i = pcmcia_map_mem_page(link->win, &mem);
+ if (i != 0)
+ {
+ cs_error(link, MapMemPage, i);
+ break;
+ }
+
+ /* Feed device with this info... */
+ dev->irq = link->irq.AssignedIRQ;
+ dev->base_addr = link->io.BasePort1;
+ netif_start_queue(dev);
+
+#ifdef DEBUG_CONFIG_INFO
+ printk(KERN_DEBUG "wv_pcmcia_config: MEMSTART %p IRQ %d IOPORT 0x%x\n",
+ lp->mem, dev->irq, (u_int) dev->base_addr);
+#endif
+
+ SET_NETDEV_DEV(dev, &handle_to_dev(link));
+ i = register_netdev(dev);
+ if(i != 0)
+ {
+#ifdef DEBUG_CONFIG_ERRORS
+ printk(KERN_INFO "wv_pcmcia_config(): register_netdev() failed\n");
+#endif
+ break;
+ }
+ }
+ while(0); /* Humm... Disguised goto !!! */
+
+ /* If any step failed, release any partially configured state */
+ if(i != 0)
+ {
+ wv_pcmcia_release(link);
+ return FALSE;
+ }
+
+ strcpy(((net_local *) netdev_priv(dev))->node.dev_name, dev->name);
+ link->dev_node = &((net_local *) netdev_priv(dev))->node;
+
+#ifdef DEBUG_CONFIG_TRACE
+ printk(KERN_DEBUG "<-wv_pcmcia_config()\n");
+#endif
+ return TRUE;
+}
+
+/*------------------------------------------------------------------*/
+/*
+ * After a card is removed, wv_pcmcia_release() will unregister the net
+ * device, and release the PCMCIA configuration. If the device is
+ * still open, this will be postponed until it is closed.
+ */
+static void
+wv_pcmcia_release(struct pcmcia_device *link)
+{
+ struct net_device * dev = (struct net_device *) link->priv;
+ net_local * lp = netdev_priv(dev);
+
+#ifdef DEBUG_CONFIG_TRACE
+ printk(KERN_DEBUG "%s: -> wv_pcmcia_release(0x%p)\n", dev->name, link);
+#endif
+
+ iounmap(lp->mem);
+ pcmcia_disable_device(link);
+
+#ifdef DEBUG_CONFIG_TRACE
+ printk(KERN_DEBUG "%s: <- wv_pcmcia_release()\n", dev->name);
+#endif
+}
+
+/************************ INTERRUPT HANDLING ************************/
+
+/*
+ * This function is the interrupt handler for the WaveLAN card. This
+ * routine will be called whenever:
+ * 1. A packet is received.
+ * 2. A packet has successfully been transferred and the unit is
+ * ready to transmit another packet.
+ * 3. A command has completed execution.
+ */
+static irqreturn_t
+wavelan_interrupt(int irq,
+ void * dev_id)
+{
+ struct net_device * dev = dev_id;
+ net_local * lp;
+ unsigned int base;
+ int status0;
+ u_int tx_status;
+
+#ifdef DEBUG_INTERRUPT_TRACE
+ printk(KERN_DEBUG "%s: ->wavelan_interrupt()\n", dev->name);
+#endif
+
+ lp = netdev_priv(dev);
+ base = dev->base_addr;
+
+#ifdef DEBUG_INTERRUPT_INFO
+ /* Check state of our spinlock (it should be cleared) */
+ if(spin_is_locked(&lp->spinlock))
+ printk(KERN_DEBUG
+ "%s: wavelan_interrupt(): spinlock is already locked !!!\n",
+ dev->name);
+#endif
+
+ /* Prevent reentrancy. We need to do that because we may have
+ * multiple interrupt handler running concurently.
+ * It is safe because interrupts are disabled before aquiring
+ * the spinlock. */
+ spin_lock(&lp->spinlock);
+
+ /* Treat all pending interrupts */
+ while(1)
+ {
+ /* ---------------- INTERRUPT CHECKING ---------------- */
+ /*
+ * Look for the interrupt and verify the validity
+ */
+ outb(CR0_STATUS_0 | OP0_NOP, LCCR(base));
+ status0 = inb(LCSR(base));
+
+#ifdef DEBUG_INTERRUPT_INFO
+ printk(KERN_DEBUG "status0 0x%x [%s => 0x%x]", status0,
+ (status0&SR0_INTERRUPT)?"int":"no int",status0&~SR0_INTERRUPT);
+ if(status0&SR0_INTERRUPT)
+ {
+ printk(" [%s => %d]\n", (status0 & SR0_CHNL) ? "chnl" :
+ ((status0 & SR0_EXECUTION) ? "cmd" :
+ ((status0 & SR0_RECEPTION) ? "recv" : "unknown")),
+ (status0 & SR0_EVENT_MASK));
+ }
+ else
+ printk("\n");
+#endif
+
+ /* Return if no actual interrupt from i82593 (normal exit) */
+ if(!(status0 & SR0_INTERRUPT))
+ break;
+
+ /* If interrupt is both Rx and Tx or none...
+ * This code in fact is there to catch the spurious interrupt
+ * when you remove the wavelan pcmcia card from the socket */
+ if(((status0 & SR0_BOTH_RX_TX) == SR0_BOTH_RX_TX) ||
+ ((status0 & SR0_BOTH_RX_TX) == 0x0))
+ {
+#ifdef DEBUG_INTERRUPT_INFO
+ printk(KERN_INFO "%s: wv_interrupt(): bogus interrupt (or from dead card) : %X\n",
+ dev->name, status0);
+#endif
+ /* Acknowledge the interrupt */
+ outb(CR0_INT_ACK | OP0_NOP, LCCR(base));
+ break;
+ }
+
+ /* ----------------- RECEIVING PACKET ----------------- */
+ /*
+ * When the wavelan signal the reception of a new packet,
+ * we call wv_packet_rcv() to copy if from the buffer and
+ * send it to NET3
+ */
+ if(status0 & SR0_RECEPTION)
+ {
+#ifdef DEBUG_INTERRUPT_INFO
+ printk(KERN_DEBUG "%s: wv_interrupt(): receive\n", dev->name);
+#endif
+
+ if((status0 & SR0_EVENT_MASK) == SR0_STOP_REG_HIT)
+ {
+#ifdef DEBUG_INTERRUPT_ERROR
+ printk(KERN_INFO "%s: wv_interrupt(): receive buffer overflow\n",
+ dev->name);
+#endif
+ dev->stats.rx_over_errors++;
+ lp->overrunning = 1;
+ }
+
+ /* Get the packet */
+ wv_packet_rcv(dev);
+ lp->overrunning = 0;
+
+ /* Acknowledge the interrupt */
+ outb(CR0_INT_ACK | OP0_NOP, LCCR(base));
+ continue;
+ }
+
+ /* ---------------- COMMAND COMPLETION ---------------- */
+ /*
+ * Interrupts issued when the i82593 has completed a command.
+ * Most likely : transmission done
+ */
+
+ /* If a transmission has been done */
+ if((status0 & SR0_EVENT_MASK) == SR0_TRANSMIT_DONE ||
+ (status0 & SR0_EVENT_MASK) == SR0_RETRANSMIT_DONE ||
+ (status0 & SR0_EVENT_MASK) == SR0_TRANSMIT_NO_CRC_DONE)
+ {
+#ifdef DEBUG_TX_ERROR
+ if((status0 & SR0_EVENT_MASK) == SR0_TRANSMIT_NO_CRC_DONE)
+ printk(KERN_INFO "%s: wv_interrupt(): packet transmitted without CRC.\n",
+ dev->name);
+#endif
+
+ /* Get transmission status */
+ tx_status = inb(LCSR(base));
+ tx_status |= (inb(LCSR(base)) << 8);
+#ifdef DEBUG_INTERRUPT_INFO
+ printk(KERN_DEBUG "%s: wv_interrupt(): transmission done\n",
+ dev->name);
+ {
+ u_int rcv_bytes;
+ u_char status3;
+ rcv_bytes = inb(LCSR(base));
+ rcv_bytes |= (inb(LCSR(base)) << 8);
+ status3 = inb(LCSR(base));
+ printk(KERN_DEBUG "tx_status 0x%02x rcv_bytes 0x%02x status3 0x%x\n",
+ tx_status, rcv_bytes, (u_int) status3);
+ }
+#endif
+ /* Check for possible errors */
+ if((tx_status & TX_OK) != TX_OK)
+ {
+ dev->stats.tx_errors++;
+
+ if(tx_status & TX_FRTL)
+ {
+#ifdef DEBUG_TX_ERROR
+ printk(KERN_INFO "%s: wv_interrupt(): frame too long\n",
+ dev->name);
+#endif
+ }
+ if(tx_status & TX_UND_RUN)
+ {
+#ifdef DEBUG_TX_FAIL
+ printk(KERN_DEBUG "%s: wv_interrupt(): DMA underrun\n",
+ dev->name);
+#endif
+ dev->stats.tx_aborted_errors++;
+ }
+ if(tx_status & TX_LOST_CTS)
+ {
+#ifdef DEBUG_TX_FAIL
+ printk(KERN_DEBUG "%s: wv_interrupt(): no CTS\n", dev->name);
+#endif
+ dev->stats.tx_carrier_errors++;
+ }
+ if(tx_status & TX_LOST_CRS)
+ {
+#ifdef DEBUG_TX_FAIL
+ printk(KERN_DEBUG "%s: wv_interrupt(): no carrier\n",
+ dev->name);
+#endif
+ dev->stats.tx_carrier_errors++;
+ }
+ if(tx_status & TX_HRT_BEAT)
+ {
+#ifdef DEBUG_TX_FAIL
+ printk(KERN_DEBUG "%s: wv_interrupt(): heart beat\n", dev->name);
+#endif
+ dev->stats.tx_heartbeat_errors++;
+ }
+ if(tx_status & TX_DEFER)
+ {
+#ifdef DEBUG_TX_FAIL
+ printk(KERN_DEBUG "%s: wv_interrupt(): channel jammed\n",
+ dev->name);
+#endif
+ }
+ /* Ignore late collisions since they're more likely to happen
+ * here (the WaveLAN design prevents the LAN controller from
+ * receiving while it is transmitting). We take action only when
+ * the maximum retransmit attempts is exceeded.
+ */
+ if(tx_status & TX_COLL)
+ {
+ if(tx_status & TX_MAX_COL)
+ {
+#ifdef DEBUG_TX_FAIL
+ printk(KERN_DEBUG "%s: wv_interrupt(): channel congestion\n",
+ dev->name);
+#endif
+ if(!(tx_status & TX_NCOL_MASK))
+ {
+ dev->stats.collisions += 0x10;
+ }
+ }
+ }
+ } /* if(!(tx_status & TX_OK)) */
+
+ dev->stats.collisions += (tx_status & TX_NCOL_MASK);
+ dev->stats.tx_packets++;
+
+ netif_wake_queue(dev);
+ outb(CR0_INT_ACK | OP0_NOP, LCCR(base)); /* Acknowledge the interrupt */
+ }
+ else /* if interrupt = transmit done or retransmit done */
+ {
+#ifdef DEBUG_INTERRUPT_ERROR
+ printk(KERN_INFO "wavelan_cs: unknown interrupt, status0 = %02x\n",
+ status0);
+#endif
+ outb(CR0_INT_ACK | OP0_NOP, LCCR(base)); /* Acknowledge the interrupt */
+ }
+ } /* while(1) */
+
+ spin_unlock(&lp->spinlock);
+
+#ifdef DEBUG_INTERRUPT_TRACE
+ printk(KERN_DEBUG "%s: <-wavelan_interrupt()\n", dev->name);
+#endif
+
+ /* We always return IRQ_HANDLED, because we will receive empty
+ * interrupts under normal operations. Anyway, it doesn't matter
+ * as we are dealing with an ISA interrupt that can't be shared.
+ *
+ * Explanation : under heavy receive, the following happens :
+ * ->wavelan_interrupt()
+ * (status0 & SR0_INTERRUPT) != 0
+ * ->wv_packet_rcv()
+ * (status0 & SR0_INTERRUPT) != 0
+ * ->wv_packet_rcv()
+ * (status0 & SR0_INTERRUPT) == 0 // i.e. no more event
+ * <-wavelan_interrupt()
+ * ->wavelan_interrupt()
+ * (status0 & SR0_INTERRUPT) == 0 // i.e. empty interrupt
+ * <-wavelan_interrupt()
+ * Jean II */
+ return IRQ_HANDLED;
+} /* wv_interrupt */
+
+/*------------------------------------------------------------------*/
+/*
+ * Watchdog: when we start a transmission, a timer is set for us in the
+ * kernel. If the transmission completes, this timer is disabled. If
+ * the timer expires, we are called and we try to unlock the hardware.
+ *
+ * Note : This watchdog is move clever than the one in the ISA driver,
+ * because it try to abort the current command before reseting
+ * everything...
+ * On the other hand, it's a bit simpler, because we don't have to
+ * deal with the multiple Tx buffers...
+ */
+static void
+wavelan_watchdog(struct net_device * dev)
+{
+ net_local * lp = netdev_priv(dev);
+ unsigned int base = dev->base_addr;
+ unsigned long flags;
+ int aborted = FALSE;
+
+#ifdef DEBUG_INTERRUPT_TRACE
+ printk(KERN_DEBUG "%s: ->wavelan_watchdog()\n", dev->name);
+#endif
+
+#ifdef DEBUG_INTERRUPT_ERROR
+ printk(KERN_INFO "%s: wavelan_watchdog: watchdog timer expired\n",
+ dev->name);
+#endif
+
+ spin_lock_irqsave(&lp->spinlock, flags);
+
+ /* Ask to abort the current command */
+ outb(OP0_ABORT, LCCR(base));
+
+ /* Wait for the end of the command (a bit hackish) */
+ if(wv_82593_cmd(dev, "wavelan_watchdog(): abort",
+ OP0_NOP | CR0_STATUS_3, SR0_EXECUTION_ABORTED))
+ aborted = TRUE;
+
+ /* Release spinlock here so that wv_hw_reset() can grab it */
+ spin_unlock_irqrestore(&lp->spinlock, flags);
+
+ /* Check if we were successful in aborting it */
+ if(!aborted)
+ {
+ /* It seem that it wasn't enough */
+#ifdef DEBUG_INTERRUPT_ERROR
+ printk(KERN_INFO "%s: wavelan_watchdog: abort failed, trying reset\n",
+ dev->name);
+#endif
+ wv_hw_reset(dev);
+ }
+
+#ifdef DEBUG_PSA_SHOW
+ {
+ psa_t psa;
+ psa_read(dev, 0, (unsigned char *) &psa, sizeof(psa));
+ wv_psa_show(&psa);
+ }
+#endif
+#ifdef DEBUG_MMC_SHOW
+ wv_mmc_show(dev);
+#endif
+#ifdef DEBUG_I82593_SHOW
+ wv_ru_show(dev);
+#endif
+
+ /* We are no more waiting for something... */
+ netif_wake_queue(dev);
+
+#ifdef DEBUG_INTERRUPT_TRACE
+ printk(KERN_DEBUG "%s: <-wavelan_watchdog()\n", dev->name);
+#endif
+}
+
+/********************* CONFIGURATION CALLBACKS *********************/
+/*
+ * Here are the functions called by the pcmcia package (cardmgr) and
+ * linux networking (NET3) for initialization, configuration and
+ * deinstallations of the Wavelan Pcmcia Hardware.
+ */
+
+/*------------------------------------------------------------------*/
+/*
+ * Configure and start up the WaveLAN PCMCIA adaptor.
+ * Called by NET3 when it "open" the device.
+ */
+static int
+wavelan_open(struct net_device * dev)
+{
+ net_local * lp = netdev_priv(dev);
+ struct pcmcia_device * link = lp->link;
+ unsigned int base = dev->base_addr;
+
+#ifdef DEBUG_CALLBACK_TRACE
+ printk(KERN_DEBUG "%s: ->wavelan_open(dev=0x%x)\n", dev->name,
+ (unsigned int) dev);
+#endif
+
+ /* Check if the modem is powered up (wavelan_close() power it down */
+ if(hasr_read(base) & HASR_NO_CLK)
+ {
+ /* Power up (power up time is 250us) */
+ hacr_write(base, HACR_DEFAULT);
+
+ /* Check if the module has been powered up... */
+ if(hasr_read(base) & HASR_NO_CLK)
+ {
+#ifdef DEBUG_CONFIG_ERRORS
+ printk(KERN_WARNING "%s: wavelan_open(): modem not connected\n",
+ dev->name);
+#endif
+ return FALSE;
+ }
+ }
+
+ /* Start reception and declare the driver ready */
+ if(!lp->configured)
+ return FALSE;
+ if(!wv_ru_start(dev))
+ wv_hw_reset(dev); /* If problem : reset */
+ netif_start_queue(dev);
+
+ /* Mark the device as used */
+ link->open++;
+
+#ifdef WAVELAN_ROAMING
+ if(do_roaming)
+ wv_roam_init(dev);
+#endif /* WAVELAN_ROAMING */
+
+#ifdef DEBUG_CALLBACK_TRACE
+ printk(KERN_DEBUG "%s: <-wavelan_open()\n", dev->name);
+#endif
+ return 0;
+}
+
+/*------------------------------------------------------------------*/
+/*
+ * Shutdown the WaveLAN PCMCIA adaptor.
+ * Called by NET3 when it "close" the device.
+ */
+static int
+wavelan_close(struct net_device * dev)
+{
+ struct pcmcia_device * link = ((net_local *)netdev_priv(dev))->link;
+ unsigned int base = dev->base_addr;
+
+#ifdef DEBUG_CALLBACK_TRACE
+ printk(KERN_DEBUG "%s: ->wavelan_close(dev=0x%x)\n", dev->name,
+ (unsigned int) dev);
+#endif
+
+ /* If the device isn't open, then nothing to do */
+ if(!link->open)
+ {
+#ifdef DEBUG_CONFIG_INFO
+ printk(KERN_DEBUG "%s: wavelan_close(): device not open\n", dev->name);
+#endif
+ return 0;
+ }
+
+#ifdef WAVELAN_ROAMING
+ /* Cleanup of roaming stuff... */
+ if(do_roaming)
+ wv_roam_cleanup(dev);
+#endif /* WAVELAN_ROAMING */
+
+ link->open--;
+
+ /* If the card is still present */
+ if(netif_running(dev))
+ {
+ netif_stop_queue(dev);
+
+ /* Stop receiving new messages and wait end of transmission */
+ wv_ru_stop(dev);
+
+ /* Power down the module */
+ hacr_write(base, HACR_DEFAULT & (~HACR_PWR_STAT));
+ }
+
+#ifdef DEBUG_CALLBACK_TRACE
+ printk(KERN_DEBUG "%s: <-wavelan_close()\n", dev->name);
+#endif
+ return 0;
+}
+
+static const struct net_device_ops wavelan_netdev_ops = {
+ .ndo_open = wavelan_open,
+ .ndo_stop = wavelan_close,
+ .ndo_start_xmit = wavelan_packet_xmit,
+ .ndo_set_multicast_list = wavelan_set_multicast_list,
+#ifdef SET_MAC_ADDRESS
+ .ndo_set_mac_address = wavelan_set_mac_address,
+#endif
+ .ndo_tx_timeout = wavelan_watchdog,
+ .ndo_change_mtu = eth_change_mtu,
+ .ndo_validate_addr = eth_validate_addr,
+};
+
+/*------------------------------------------------------------------*/
+/*
+ * wavelan_attach() creates an "instance" of the driver, allocating
+ * local data structures for one device (one interface). The device
+ * is registered with Card Services.
+ *
+ * The dev_link structure is initialized, but we don't actually
+ * configure the card at this point -- we wait until we receive a
+ * card insertion event.
+ */
+static int
+wavelan_probe(struct pcmcia_device *p_dev)
+{
+ struct net_device * dev; /* Interface generic data */
+ net_local * lp; /* Interface specific data */
+ int ret;
+
+#ifdef DEBUG_CALLBACK_TRACE
+ printk(KERN_DEBUG "-> wavelan_attach()\n");
+#endif
+
+ /* The io structure describes IO port mapping */
+ p_dev->io.NumPorts1 = 8;
+ p_dev->io.Attributes1 = IO_DATA_PATH_WIDTH_8;
+ p_dev->io.IOAddrLines = 3;
+
+ /* Interrupt setup */
+ p_dev->irq.Attributes = IRQ_TYPE_DYNAMIC_SHARING | IRQ_HANDLE_PRESENT;
+ p_dev->irq.IRQInfo1 = IRQ_LEVEL_ID;
+ p_dev->irq.Handler = wavelan_interrupt;
+
+ /* General socket configuration */
+ p_dev->conf.Attributes = CONF_ENABLE_IRQ;
+ p_dev->conf.IntType = INT_MEMORY_AND_IO;
+
+ /* Allocate the generic data structure */
+ dev = alloc_etherdev(sizeof(net_local));
+ if (!dev)
+ return -ENOMEM;
+
+ p_dev->priv = p_dev->irq.Instance = dev;
+
+ lp = netdev_priv(dev);
+
+ /* Init specific data */
+ lp->configured = 0;
+ lp->reconfig_82593 = FALSE;
+ lp->nresets = 0;
+ /* Multicast stuff */
+ lp->promiscuous = 0;
+ lp->allmulticast = 0;
+ lp->mc_count = 0;
+
+ /* Init spinlock */
+ spin_lock_init(&lp->spinlock);
+
+ /* back links */
+ lp->dev = dev;
+
+ /* wavelan NET3 callbacks */
+ dev->netdev_ops = &wavelan_netdev_ops;
+ dev->watchdog_timeo = WATCHDOG_JIFFIES;
+ SET_ETHTOOL_OPS(dev, &ops);
+
+ dev->wireless_handlers = &wavelan_handler_def;
+ lp->wireless_data.spy_data = &lp->spy_data;
+ dev->wireless_data = &lp->wireless_data;
+
+ /* Other specific data */
+ dev->mtu = WAVELAN_MTU;
+
+ ret = wv_pcmcia_config(p_dev);
+ if (ret)
+ return ret;
+
+ ret = wv_hw_config(dev);
+ if (ret) {
+ dev->irq = 0;
+ pcmcia_disable_device(p_dev);
+ return ret;
+ }
+
+ wv_init_info(dev);
+
+#ifdef DEBUG_CALLBACK_TRACE
+ printk(KERN_DEBUG "<- wavelan_attach()\n");
+#endif
+
+ return 0;
+}
+
+/*------------------------------------------------------------------*/
+/*
+ * This deletes a driver "instance". The device is de-registered with
+ * Card Services. If it has been released, all local data structures
+ * are freed. Otherwise, the structures will be freed when the device
+ * is released.
+ */
+static void
+wavelan_detach(struct pcmcia_device *link)
+{
+#ifdef DEBUG_CALLBACK_TRACE
+ printk(KERN_DEBUG "-> wavelan_detach(0x%p)\n", link);
+#endif
+
+ /* Some others haven't done their job : give them another chance */
+ wv_pcmcia_release(link);
+
+ /* Free pieces */
+ if(link->priv)
+ {
+ struct net_device * dev = (struct net_device *) link->priv;
+
+ /* Remove ourselves from the kernel list of ethernet devices */
+ /* Warning : can't be called from interrupt, timer or wavelan_close() */
+ if (link->dev_node)
+ unregister_netdev(dev);
+ link->dev_node = NULL;
+ ((net_local *)netdev_priv(dev))->link = NULL;
+ ((net_local *)netdev_priv(dev))->dev = NULL;
+ free_netdev(dev);
+ }
+
+#ifdef DEBUG_CALLBACK_TRACE
+ printk(KERN_DEBUG "<- wavelan_detach()\n");
+#endif
+}
+
+static int wavelan_suspend(struct pcmcia_device *link)
+{
+ struct net_device * dev = (struct net_device *) link->priv;
+
+ /* NB: wavelan_close will be called, but too late, so we are
+ * obliged to close nicely the wavelan here. David, could you
+ * close the device before suspending them ? And, by the way,
+ * could you, on resume, add a "route add -net ..." after the
+ * ifconfig up ? Thanks... */
+
+ /* Stop receiving new messages and wait end of transmission */
+ wv_ru_stop(dev);
+
+ if (link->open)
+ netif_device_detach(dev);
+
+ /* Power down the module */
+ hacr_write(dev->base_addr, HACR_DEFAULT & (~HACR_PWR_STAT));
+
+ return 0;
+}
+
+static int wavelan_resume(struct pcmcia_device *link)
+{
+ struct net_device * dev = (struct net_device *) link->priv;
+
+ if (link->open) {
+ wv_hw_reset(dev);
+ netif_device_attach(dev);
+ }
+
+ return 0;
+}
+
+
+static struct pcmcia_device_id wavelan_ids[] = {
+ PCMCIA_DEVICE_PROD_ID12("AT&T","WaveLAN/PCMCIA", 0xe7c5affd, 0x1bc50975),
+ PCMCIA_DEVICE_PROD_ID12("Digital", "RoamAbout/DS", 0x9999ab35, 0x00d05e06),
+ PCMCIA_DEVICE_PROD_ID12("Lucent Technologies", "WaveLAN/PCMCIA", 0x23eb9949, 0x1bc50975),
+ PCMCIA_DEVICE_PROD_ID12("NCR", "WaveLAN/PCMCIA", 0x24358cd4, 0x1bc50975),
+ PCMCIA_DEVICE_NULL,
+};
+MODULE_DEVICE_TABLE(pcmcia, wavelan_ids);
+
+static struct pcmcia_driver wavelan_driver = {
+ .owner = THIS_MODULE,
+ .drv = {
+ .name = "wavelan_cs",
+ },
+ .probe = wavelan_probe,
+ .remove = wavelan_detach,
+ .id_table = wavelan_ids,
+ .suspend = wavelan_suspend,
+ .resume = wavelan_resume,
+};
+
+static int __init
+init_wavelan_cs(void)
+{
+ return pcmcia_register_driver(&wavelan_driver);
+}
+
+static void __exit
+exit_wavelan_cs(void)
+{
+ pcmcia_unregister_driver(&wavelan_driver);
+}
+
+module_init(init_wavelan_cs);
+module_exit(exit_wavelan_cs);
--- /dev/null
+/*
+ * Wavelan Pcmcia driver
+ *
+ * Jean II - HPLB '96
+ *
+ * Reorganization and extension of the driver.
+ * Original copyright follow. See wavelan_cs.h for details.
+ *
+ * This file contain the declarations of the Wavelan hardware. Note that
+ * the Pcmcia Wavelan include a i82593 controller (see definitions in
+ * file i82593.h).
+ *
+ * The main difference between the pcmcia hardware and the ISA one is
+ * the Ethernet Controller (i82593 instead of i82586). The i82593 allow
+ * only one send buffer. The PSA (Parameter Storage Area : EEprom for
+ * permanent storage of various info) is memory mapped, but not the
+ * MMI (Modem Management Interface).
+ */
+
+/*
+ * Definitions for the AT&T GIS (formerly NCR) WaveLAN PCMCIA card:
+ * An Ethernet-like radio transceiver controlled by an Intel 82593
+ * coprocessor.
+ *
+ *
+ ****************************************************************************
+ * Copyright 1995
+ * Anthony D. Joseph
+ * Massachusetts Institute of Technology
+ *
+ * Permission to use, copy, modify, and distribute this program
+ * for any purpose and without fee is hereby granted, provided
+ * that this copyright and permission notice appear on all copies
+ * and supporting documentation, the name of M.I.T. not be used
+ * in advertising or publicity pertaining to distribution of the
+ * program without specific prior permission, and notice be given
+ * in supporting documentation that copying and distribution is
+ * by permission of M.I.T. M.I.T. makes no representations about
+ * the suitability of this software for any purpose. It is pro-
+ * vided "as is" without express or implied warranty.
+ ****************************************************************************
+ *
+ *
+ * Credits:
+ * Special thanks to Jan Hoogendoorn of AT&T GIS Utrecht for
+ * providing extremely useful information about WaveLAN PCMCIA hardware
+ *
+ * This driver is based upon several other drivers, in particular:
+ * David Hinds' Linux driver for the PCMCIA 3c589 ethernet adapter
+ * Bruce Janson's Linux driver for the AT-bus WaveLAN adapter
+ * Anders Klemets' PCMCIA WaveLAN adapter driver
+ * Robert Morris' BSDI driver for the PCMCIA WaveLAN adapter
+ */
+
+#ifndef _WAVELAN_CS_H
+#define _WAVELAN_CS_H
+
+/************************** MAGIC NUMBERS ***************************/
+
+/* The detection of the wavelan card is made by reading the MAC address
+ * from the card and checking it. If you have a non AT&T product (OEM,
+ * like DEC RoamAbout, or Digital Ocean, Epson, ...), you must modify this
+ * part to accommodate your hardware...
+ */
+static const unsigned char MAC_ADDRESSES[][3] =
+{
+ { 0x08, 0x00, 0x0E }, /* AT&T Wavelan (standard) & DEC RoamAbout */
+ { 0x08, 0x00, 0x6A }, /* AT&T Wavelan (alternate) */
+ { 0x00, 0x00, 0xE1 }, /* Hitachi Wavelan */
+ { 0x00, 0x60, 0x1D } /* Lucent Wavelan (another one) */
+ /* Add your card here and send me the patch ! */
+};
+
+/*
+ * Constants used to convert channels to frequencies
+ */
+
+/* Frequency available in the 2.0 modem, in units of 250 kHz
+ * (as read in the offset register of the dac area).
+ * Used to map channel numbers used by `wfreqsel' to frequencies
+ */
+static const short channel_bands[] = { 0x30, 0x58, 0x64, 0x7A, 0x80, 0xA8,
+ 0xD0, 0xF0, 0xF8, 0x150 };
+
+/* Frequencies of the 1.0 modem (fixed frequencies).
+ * Use to map the PSA `subband' to a frequency
+ * Note : all frequencies apart from the first one need to be multiplied by 10
+ */
+static const int fixed_bands[] = { 915e6, 2.425e8, 2.46e8, 2.484e8, 2.4305e8 };
+
+
+/*************************** PC INTERFACE ****************************/
+
+/* WaveLAN host interface definitions */
+
+#define LCCR(base) (base) /* LAN Controller Command Register */
+#define LCSR(base) (base) /* LAN Controller Status Register */
+#define HACR(base) (base+0x1) /* Host Adapter Command Register */
+#define HASR(base) (base+0x1) /* Host Adapter Status Register */
+#define PIORL(base) (base+0x2) /* Program I/O Register Low */
+#define RPLL(base) (base+0x2) /* Receive Pointer Latched Low */
+#define PIORH(base) (base+0x3) /* Program I/O Register High */
+#define RPLH(base) (base+0x3) /* Receive Pointer Latched High */
+#define PIOP(base) (base+0x4) /* Program I/O Port */
+#define MMR(base) (base+0x6) /* MMI Address Register */
+#define MMD(base) (base+0x7) /* MMI Data Register */
+
+/* Host Adaptor Command Register bit definitions */
+
+#define HACR_LOF (1 << 3) /* Lock Out Flag, toggle every 250ms */
+#define HACR_PWR_STAT (1 << 4) /* Power State, 1=active, 0=sleep */
+#define HACR_TX_DMA_RESET (1 << 5) /* Reset transmit DMA ptr on high */
+#define HACR_RX_DMA_RESET (1 << 6) /* Reset receive DMA ptr on high */
+#define HACR_ROM_WEN (1 << 7) /* EEPROM write enabled when true */
+
+#define HACR_RESET (HACR_TX_DMA_RESET | HACR_RX_DMA_RESET)
+#define HACR_DEFAULT (HACR_PWR_STAT)
+
+/* Host Adapter Status Register bit definitions */
+
+#define HASR_MMI_BUSY (1 << 2) /* MMI is busy when true */
+#define HASR_LOF (1 << 3) /* Lock out flag status */
+#define HASR_NO_CLK (1 << 4) /* active when modem not connected */
+
+/* Miscellaneous bit definitions */
+
+#define PIORH_SEL_TX (1 << 5) /* PIOR points to 0=rx/1=tx buffer */
+#define MMR_MMI_WR (1 << 0) /* Next MMI cycle is 0=read, 1=write */
+#define PIORH_MASK 0x1f /* only low 5 bits are significant */
+#define RPLH_MASK 0x1f /* only low 5 bits are significant */
+#define MMI_ADDR_MASK 0x7e /* Bits 1-6 of MMR are significant */
+
+/* Attribute Memory map */
+
+#define CIS_ADDR 0x0000 /* Card Information Status Register */
+#define PSA_ADDR 0x0e00 /* Parameter Storage Area address */
+#define EEPROM_ADDR 0x1000 /* EEPROM address (unused ?) */
+#define COR_ADDR 0x4000 /* Configuration Option Register */
+
+/* Configuration Option Register bit definitions */
+
+#define COR_CONFIG (1 << 0) /* Config Index, 0 when unconfigured */
+#define COR_SW_RESET (1 << 7) /* Software Reset on true */
+#define COR_LEVEL_IRQ (1 << 6) /* Level IRQ */
+
+/* Local Memory map */
+
+#define RX_BASE 0x0000 /* Receive memory, 8 kB */
+#define TX_BASE 0x2000 /* Transmit memory, 2 kB */
+#define UNUSED_BASE 0x2800 /* Unused, 22 kB */
+#define RX_SIZE (TX_BASE-RX_BASE) /* Size of receive area */
+#define RX_SIZE_SHIFT 6 /* Bits to shift in stop register */
+
+#define TRUE 1
+#define FALSE 0
+
+#define MOD_ENAL 1
+#define MOD_PROM 2
+
+/* Size of a MAC address */
+#define WAVELAN_ADDR_SIZE 6
+
+/* Maximum size of Wavelan packet */
+#define WAVELAN_MTU 1500
+
+#define MAXDATAZ (6 + 6 + 2 + WAVELAN_MTU)
+
+/********************** PARAMETER STORAGE AREA **********************/
+
+/*
+ * Parameter Storage Area (PSA).
+ */
+typedef struct psa_t psa_t;
+struct psa_t
+{
+ /* For the PCMCIA Adapter, locations 0x00-0x0F are unused and fixed at 00 */
+ unsigned char psa_io_base_addr_1; /* [0x00] Base address 1 ??? */
+ unsigned char psa_io_base_addr_2; /* [0x01] Base address 2 */
+ unsigned char psa_io_base_addr_3; /* [0x02] Base address 3 */
+ unsigned char psa_io_base_addr_4; /* [0x03] Base address 4 */
+ unsigned char psa_rem_boot_addr_1; /* [0x04] Remote Boot Address 1 */
+ unsigned char psa_rem_boot_addr_2; /* [0x05] Remote Boot Address 2 */
+ unsigned char psa_rem_boot_addr_3; /* [0x06] Remote Boot Address 3 */
+ unsigned char psa_holi_params; /* [0x07] HOst Lan Interface (HOLI) Parameters */
+ unsigned char psa_int_req_no; /* [0x08] Interrupt Request Line */
+ unsigned char psa_unused0[7]; /* [0x09-0x0F] unused */
+
+ unsigned char psa_univ_mac_addr[WAVELAN_ADDR_SIZE]; /* [0x10-0x15] Universal (factory) MAC Address */
+ unsigned char psa_local_mac_addr[WAVELAN_ADDR_SIZE]; /* [0x16-1B] Local MAC Address */
+ unsigned char psa_univ_local_sel; /* [0x1C] Universal Local Selection */
+#define PSA_UNIVERSAL 0 /* Universal (factory) */
+#define PSA_LOCAL 1 /* Local */
+ unsigned char psa_comp_number; /* [0x1D] Compatability Number: */
+#define PSA_COMP_PC_AT_915 0 /* PC-AT 915 MHz */
+#define PSA_COMP_PC_MC_915 1 /* PC-MC 915 MHz */
+#define PSA_COMP_PC_AT_2400 2 /* PC-AT 2.4 GHz */
+#define PSA_COMP_PC_MC_2400 3 /* PC-MC 2.4 GHz */
+#define PSA_COMP_PCMCIA_915 4 /* PCMCIA 915 MHz or 2.0 */
+ unsigned char psa_thr_pre_set; /* [0x1E] Modem Threshold Preset */
+ unsigned char psa_feature_select; /* [0x1F] Call code required (1=on) */
+#define PSA_FEATURE_CALL_CODE 0x01 /* Call code required (Japan) */
+ unsigned char psa_subband; /* [0x20] Subband */
+#define PSA_SUBBAND_915 0 /* 915 MHz or 2.0 */
+#define PSA_SUBBAND_2425 1 /* 2425 MHz */
+#define PSA_SUBBAND_2460 2 /* 2460 MHz */
+#define PSA_SUBBAND_2484 3 /* 2484 MHz */
+#define PSA_SUBBAND_2430_5 4 /* 2430.5 MHz */
+ unsigned char psa_quality_thr; /* [0x21] Modem Quality Threshold */
+ unsigned char psa_mod_delay; /* [0x22] Modem Delay ??? (reserved) */
+ unsigned char psa_nwid[2]; /* [0x23-0x24] Network ID */
+ unsigned char psa_nwid_select; /* [0x25] Network ID Select On Off */
+ unsigned char psa_encryption_select; /* [0x26] Encryption On Off */
+ unsigned char psa_encryption_key[8]; /* [0x27-0x2E] Encryption Key */
+ unsigned char psa_databus_width; /* [0x2F] AT bus width select 8/16 */
+ unsigned char psa_call_code[8]; /* [0x30-0x37] (Japan) Call Code */
+ unsigned char psa_nwid_prefix[2]; /* [0x38-0x39] Roaming domain */
+ unsigned char psa_reserved[2]; /* [0x3A-0x3B] Reserved - fixed 00 */
+ unsigned char psa_conf_status; /* [0x3C] Conf Status, bit 0=1:config*/
+ unsigned char psa_crc[2]; /* [0x3D] CRC-16 over PSA */
+ unsigned char psa_crc_status; /* [0x3F] CRC Valid Flag */
+};
+
+/* Size for structure checking (if padding is correct) */
+#define PSA_SIZE 64
+
+/* Calculate offset of a field in the above structure
+ * Warning : only even addresses are used */
+#define psaoff(p,f) ((unsigned short) ((void *)(&((psa_t *) ((void *) NULL + (p)))->f) - (void *) NULL))
+
+/******************** MODEM MANAGEMENT INTERFACE ********************/
+
+/*
+ * Modem Management Controller (MMC) write structure.
+ */
+typedef struct mmw_t mmw_t;
+struct mmw_t
+{
+ unsigned char mmw_encr_key[8]; /* encryption key */
+ unsigned char mmw_encr_enable; /* enable/disable encryption */
+#define MMW_ENCR_ENABLE_MODE 0x02 /* Mode of security option */
+#define MMW_ENCR_ENABLE_EN 0x01 /* Enable security option */
+ unsigned char mmw_unused0[1]; /* unused */
+ unsigned char mmw_des_io_invert; /* Encryption option */
+#define MMW_DES_IO_INVERT_RES 0x0F /* Reserved */
+#define MMW_DES_IO_INVERT_CTRL 0xF0 /* Control ??? (set to 0) */
+ unsigned char mmw_unused1[5]; /* unused */
+ unsigned char mmw_loopt_sel; /* looptest selection */
+#define MMW_LOOPT_SEL_DIS_NWID 0x40 /* disable NWID filtering */
+#define MMW_LOOPT_SEL_INT 0x20 /* activate Attention Request */
+#define MMW_LOOPT_SEL_LS 0x10 /* looptest w/o collision avoidance */
+#define MMW_LOOPT_SEL_LT3A 0x08 /* looptest 3a */
+#define MMW_LOOPT_SEL_LT3B 0x04 /* looptest 3b */
+#define MMW_LOOPT_SEL_LT3C 0x02 /* looptest 3c */
+#define MMW_LOOPT_SEL_LT3D 0x01 /* looptest 3d */
+ unsigned char mmw_jabber_enable; /* jabber timer enable */
+ /* Abort transmissions > 200 ms */
+ unsigned char mmw_freeze; /* freeze / unfreeeze signal level */
+ /* 0 : signal level & qual updated for every new message, 1 : frozen */
+ unsigned char mmw_anten_sel; /* antenna selection */
+#define MMW_ANTEN_SEL_SEL 0x01 /* direct antenna selection */
+#define MMW_ANTEN_SEL_ALG_EN 0x02 /* antenna selection algo. enable */
+ unsigned char mmw_ifs; /* inter frame spacing */
+ /* min time between transmission in bit periods (.5 us) - bit 0 ignored */
+ unsigned char mmw_mod_delay; /* modem delay (synchro) */
+ unsigned char mmw_jam_time; /* jamming time (after collision) */
+ unsigned char mmw_unused2[1]; /* unused */
+ unsigned char mmw_thr_pre_set; /* level threshold preset */
+ /* Discard all packet with signal < this value (4) */
+ unsigned char mmw_decay_prm; /* decay parameters */
+ unsigned char mmw_decay_updat_prm; /* decay update parameterz */
+ unsigned char mmw_quality_thr; /* quality (z-quotient) threshold */
+ /* Discard all packet with quality < this value (3) */
+ unsigned char mmw_netw_id_l; /* NWID low order byte */
+ unsigned char mmw_netw_id_h; /* NWID high order byte */
+ /* Network ID or Domain : create virtual net on the air */
+
+ /* 2.0 Hardware extension - frequency selection support */
+ unsigned char mmw_mode_select; /* for analog tests (set to 0) */
+ unsigned char mmw_unused3[1]; /* unused */
+ unsigned char mmw_fee_ctrl; /* frequency eeprom control */
+#define MMW_FEE_CTRL_PRE 0x10 /* Enable protected instructions */
+#define MMW_FEE_CTRL_DWLD 0x08 /* Download eeprom to mmc */
+#define MMW_FEE_CTRL_CMD 0x07 /* EEprom commands : */
+#define MMW_FEE_CTRL_READ 0x06 /* Read */
+#define MMW_FEE_CTRL_WREN 0x04 /* Write enable */
+#define MMW_FEE_CTRL_WRITE 0x05 /* Write data to address */
+#define MMW_FEE_CTRL_WRALL 0x04 /* Write data to all addresses */
+#define MMW_FEE_CTRL_WDS 0x04 /* Write disable */
+#define MMW_FEE_CTRL_PRREAD 0x16 /* Read addr from protect register */
+#define MMW_FEE_CTRL_PREN 0x14 /* Protect register enable */
+#define MMW_FEE_CTRL_PRCLEAR 0x17 /* Unprotect all registers */
+#define MMW_FEE_CTRL_PRWRITE 0x15 /* Write addr in protect register */
+#define MMW_FEE_CTRL_PRDS 0x14 /* Protect register disable */
+ /* Never issue this command (PRDS) : it's irreversible !!! */
+
+ unsigned char mmw_fee_addr; /* EEprom address */
+#define MMW_FEE_ADDR_CHANNEL 0xF0 /* Select the channel */
+#define MMW_FEE_ADDR_OFFSET 0x0F /* Offset in channel data */
+#define MMW_FEE_ADDR_EN 0xC0 /* FEE_CTRL enable operations */
+#define MMW_FEE_ADDR_DS 0x00 /* FEE_CTRL disable operations */
+#define MMW_FEE_ADDR_ALL 0x40 /* FEE_CTRL all operations */
+#define MMW_FEE_ADDR_CLEAR 0xFF /* FEE_CTRL clear operations */
+
+ unsigned char mmw_fee_data_l; /* Write data to EEprom */
+ unsigned char mmw_fee_data_h; /* high octet */
+ unsigned char mmw_ext_ant; /* Setting for external antenna */
+#define MMW_EXT_ANT_EXTANT 0x01 /* Select external antenna */
+#define MMW_EXT_ANT_POL 0x02 /* Polarity of the antenna */
+#define MMW_EXT_ANT_INTERNAL 0x00 /* Internal antenna */
+#define MMW_EXT_ANT_EXTERNAL 0x03 /* External antenna */
+#define MMW_EXT_ANT_IQ_TEST 0x1C /* IQ test pattern (set to 0) */
+} __attribute__((packed));
+
+/* Size for structure checking (if padding is correct) */
+#define MMW_SIZE 37
+
+/* Calculate offset of a field in the above structure */
+#define mmwoff(p,f) (unsigned short)((void *)(&((mmw_t *)((void *)0 + (p)))->f) - (void *)0)
+
+
+/*
+ * Modem Management Controller (MMC) read structure.
+ */
+typedef struct mmr_t mmr_t;
+struct mmr_t
+{
+ unsigned char mmr_unused0[8]; /* unused */
+ unsigned char mmr_des_status; /* encryption status */
+ unsigned char mmr_des_avail; /* encryption available (0x55 read) */
+#define MMR_DES_AVAIL_DES 0x55 /* DES available */
+#define MMR_DES_AVAIL_AES 0x33 /* AES (AT&T) available */
+ unsigned char mmr_des_io_invert; /* des I/O invert register */
+ unsigned char mmr_unused1[5]; /* unused */
+ unsigned char mmr_dce_status; /* DCE status */
+#define MMR_DCE_STATUS_RX_BUSY 0x01 /* receiver busy */
+#define MMR_DCE_STATUS_LOOPT_IND 0x02 /* loop test indicated */
+#define MMR_DCE_STATUS_TX_BUSY 0x04 /* transmitter on */
+#define MMR_DCE_STATUS_JBR_EXPIRED 0x08 /* jabber timer expired */
+#define MMR_DCE_STATUS 0x0F /* mask to get the bits */
+ unsigned char mmr_dsp_id; /* DSP id (AA = Daedalus rev A) */
+ unsigned char mmr_unused2[2]; /* unused */
+ unsigned char mmr_correct_nwid_l; /* # of correct NWID's rxd (low) */
+ unsigned char mmr_correct_nwid_h; /* # of correct NWID's rxd (high) */
+ /* Warning : Read high order octet first !!! */
+ unsigned char mmr_wrong_nwid_l; /* # of wrong NWID's rxd (low) */
+ unsigned char mmr_wrong_nwid_h; /* # of wrong NWID's rxd (high) */
+ unsigned char mmr_thr_pre_set; /* level threshold preset */
+#define MMR_THR_PRE_SET 0x3F /* level threshold preset */
+#define MMR_THR_PRE_SET_CUR 0x80 /* Current signal above it */
+ unsigned char mmr_signal_lvl; /* signal level */
+#define MMR_SIGNAL_LVL 0x3F /* signal level */
+#define MMR_SIGNAL_LVL_VALID 0x80 /* Updated since last read */
+ unsigned char mmr_silence_lvl; /* silence level (noise) */
+#define MMR_SILENCE_LVL 0x3F /* silence level */
+#define MMR_SILENCE_LVL_VALID 0x80 /* Updated since last read */
+ unsigned char mmr_sgnl_qual; /* signal quality */
+#define MMR_SGNL_QUAL 0x0F /* signal quality */
+#define MMR_SGNL_QUAL_ANT 0x80 /* current antenna used */
+ unsigned char mmr_netw_id_l; /* NWID low order byte ??? */
+ unsigned char mmr_unused3[3]; /* unused */
+
+ /* 2.0 Hardware extension - frequency selection support */
+ unsigned char mmr_fee_status; /* Status of frequency eeprom */
+#define MMR_FEE_STATUS_ID 0xF0 /* Modem revision id */
+#define MMR_FEE_STATUS_DWLD 0x08 /* Download in progress */
+#define MMR_FEE_STATUS_BUSY 0x04 /* EEprom busy */
+ unsigned char mmr_unused4[1]; /* unused */
+ unsigned char mmr_fee_data_l; /* Read data from eeprom (low) */
+ unsigned char mmr_fee_data_h; /* Read data from eeprom (high) */
+};
+
+/* Size for structure checking (if padding is correct) */
+#define MMR_SIZE 36
+
+/* Calculate offset of a field in the above structure */
+#define mmroff(p,f) (unsigned short)((void *)(&((mmr_t *)((void *)0 + (p)))->f) - (void *)0)
+
+
+/* Make the two above structures one */
+typedef union mm_t
+{
+ struct mmw_t w; /* Write to the mmc */
+ struct mmr_t r; /* Read from the mmc */
+} mm_t;
+
+#endif /* _WAVELAN_CS_H */
--- /dev/null
+/*
+ * Wavelan Pcmcia driver
+ *
+ * Jean II - HPLB '96
+ *
+ * Reorganisation and extension of the driver.
+ *
+ * This file contain all definition and declarations necessary for the
+ * wavelan pcmcia driver. This file is a private header, so it should
+ * be included only on wavelan_cs.c !!!
+ */
+
+#ifndef WAVELAN_CS_P_H
+#define WAVELAN_CS_P_H
+
+/************************** DOCUMENTATION **************************/
+/*
+ * This driver provide a Linux interface to the Wavelan Pcmcia hardware
+ * The Wavelan is a product of Lucent (http://www.wavelan.com/).
+ * This division was formerly part of NCR and then AT&T.
+ * Wavelan are also distributed by DEC (RoamAbout DS)...
+ *
+ * To know how to use this driver, read the PCMCIA HOWTO.
+ * If you want to exploit the many other fonctionalities, look comments
+ * in the code...
+ *
+ * This driver is the result of the effort of many peoples (see below).
+ */
+
+/* ------------------------ SPECIFIC NOTES ------------------------ */
+/*
+ * Web page
+ * --------
+ * I try to maintain a web page with the Wireless LAN Howto at :
+ * http://www.hpl.hp.com/personal/Jean_Tourrilhes/Linux/Wavelan.html
+ *
+ * SMP
+ * ---
+ * We now are SMP compliant (I eventually fixed the remaining bugs).
+ * The driver has been tested on a dual P6-150 and survived my usual
+ * set of torture tests.
+ * Anyway, I spent enough time chasing interrupt re-entrancy during
+ * errors or reconfigure, and I designed the locked/unlocked sections
+ * of the driver with great care, and with the recent addition of
+ * the spinlock (thanks to the new API), we should be quite close to
+ * the truth.
+ * The SMP/IRQ locking is quite coarse and conservative (i.e. not fast),
+ * but better safe than sorry (especially at 2 Mb/s ;-).
+ *
+ * I have also looked into disabling only our interrupt on the card
+ * (via HACR) instead of all interrupts in the processor (via cli),
+ * so that other driver are not impacted, and it look like it's
+ * possible, but it's very tricky to do right (full of races). As
+ * the gain would be mostly for SMP systems, it can wait...
+ *
+ * Debugging and options
+ * ---------------------
+ * You will find below a set of '#define" allowing a very fine control
+ * on the driver behaviour and the debug messages printed.
+ * The main options are :
+ * o WAVELAN_ROAMING, for the experimental roaming support.
+ * o SET_PSA_CRC, to have your card correctly recognised by
+ * an access point and the Point-to-Point diagnostic tool.
+ * o USE_PSA_CONFIG, to read configuration from the PSA (EEprom)
+ * (otherwise we always start afresh with some defaults)
+ *
+ * wavelan_cs.o is darn too big
+ * -------------------------
+ * That's true ! There is a very simple way to reduce the driver
+ * object by 33% (yes !). Comment out the following line :
+ * #include <linux/wireless.h>
+ * Other compile options can also reduce the size of it...
+ *
+ * MAC address and hardware detection :
+ * ----------------------------------
+ * The detection code of the wavelan chech that the first 3
+ * octets of the MAC address fit the company code. This type of
+ * detection work well for AT&T cards (because the AT&T code is
+ * hardcoded in wavelan_cs.h), but of course will fail for other
+ * manufacturer.
+ *
+ * If you are sure that your card is derived from the wavelan,
+ * here is the way to configure it :
+ * 1) Get your MAC address
+ * a) With your card utilities (wfreqsel, instconf, ...)
+ * b) With the driver :
+ * o compile the kernel with DEBUG_CONFIG_INFO enabled
+ * o Boot and look the card messages
+ * 2) Set your MAC code (3 octets) in MAC_ADDRESSES[][3] (wavelan_cs.h)
+ * 3) Compile & verify
+ * 4) Send me the MAC code - I will include it in the next version...
+ *
+ */
+
+/* --------------------- WIRELESS EXTENSIONS --------------------- */
+/*
+ * This driver is the first one to support "wireless extensions".
+ * This set of extensions provide you some way to control the wireless
+ * caracteristics of the hardware in a standard way and support for
+ * applications for taking advantage of it (like Mobile IP).
+ *
+ * It might be a good idea as well to fetch the wireless tools to
+ * configure the device and play a bit.
+ */
+
+/* ---------------------------- FILES ---------------------------- */
+/*
+ * wavelan_cs.c : The actual code for the driver - C functions
+ *
+ * wavelan_cs.p.h : Private header : local types / vars for the driver
+ *
+ * wavelan_cs.h : Description of the hardware interface & structs
+ *
+ * i82593.h : Description if the Ethernet controller
+ */
+
+/* --------------------------- HISTORY --------------------------- */
+/*
+ * The history of the Wavelan drivers is as complicated as history of
+ * the Wavelan itself (NCR -> AT&T -> Lucent).
+ *
+ * All started with Anders Klemets <klemets@paul.rutgers.edu>,
+ * writing a Wavelan ISA driver for the MACH microkernel. Girish
+ * Welling <welling@paul.rutgers.edu> had also worked on it.
+ * Keith Moore modify this for the Pcmcia hardware.
+ *
+ * Robert Morris <rtm@das.harvard.edu> port these two drivers to BSDI
+ * and add specific Pcmcia support (there is currently no equivalent
+ * of the PCMCIA package under BSD...).
+ *
+ * Jim Binkley <jrb@cs.pdx.edu> port both BSDI drivers to FreeBSD.
+ *
+ * Bruce Janson <bruce@cs.usyd.edu.au> port the BSDI ISA driver to Linux.
+ *
+ * Anthony D. Joseph <adj@lcs.mit.edu> started modify Bruce driver
+ * (with help of the BSDI PCMCIA driver) for PCMCIA.
+ * Yunzhou Li <yunzhou@strat.iol.unh.edu> finished is work.
+ * Joe Finney <joe@comp.lancs.ac.uk> patched the driver to start
+ * correctly 2.00 cards (2.4 GHz with frequency selection).
+ * David Hinds <dahinds@users.sourceforge.net> integrated the whole in his
+ * Pcmcia package (+ bug corrections).
+ *
+ * I (Jean Tourrilhes - jt@hplb.hpl.hp.com) then started to make some
+ * patchs to the Pcmcia driver. After, I added code in the ISA driver
+ * for Wireless Extensions and full support of frequency selection
+ * cards. Now, I'm doing the same to the Pcmcia driver + some
+ * reorganisation.
+ * Loeke Brederveld <lbrederv@wavelan.com> from Lucent has given me
+ * much needed informations on the Wavelan hardware.
+ */
+
+/* By the way : for the copyright & legal stuff :
+ * Almost everybody wrote code under GNU or BSD license (or alike),
+ * and want that their original copyright remain somewhere in the
+ * code (for myself, I go with the GPL).
+ * Nobody want to take responsibility for anything, except the fame...
+ */
+
+/* --------------------------- CREDITS --------------------------- */
+/*
+ * Credits:
+ * Special thanks to Jan Hoogendoorn of AT&T GIS Utrecht and
+ * Loeke Brederveld of Lucent for providing extremely useful
+ * information about WaveLAN PCMCIA hardware
+ *
+ * This driver is based upon several other drivers, in particular:
+ * David Hinds' Linux driver for the PCMCIA 3c589 ethernet adapter
+ * Bruce Janson's Linux driver for the AT-bus WaveLAN adapter
+ * Anders Klemets' PCMCIA WaveLAN adapter driver
+ * Robert Morris' BSDI driver for the PCMCIA WaveLAN adapter
+ *
+ * Additional Credits:
+ *
+ * This software was originally developed under Linux 1.2.3
+ * (Slackware 2.0 distribution).
+ * And then under Linux 2.0.x (Debian 1.1 -> 2.2 - pcmcia 2.8.18+)
+ * with an HP OmniBook 4000 and then a 5500.
+ *
+ * It is based on other device drivers and information either written
+ * or supplied by:
+ * James Ashton (jaa101@syseng.anu.edu.au),
+ * Ajay Bakre (bakre@paul.rutgers.edu),
+ * Donald Becker (becker@super.org),
+ * Jim Binkley <jrb@cs.pdx.edu>,
+ * Loeke Brederveld <lbrederv@wavelan.com>,
+ * Allan Creighton (allanc@cs.su.oz.au),
+ * Brent Elphick <belphick@uwaterloo.ca>,
+ * Joe Finney <joe@comp.lancs.ac.uk>,
+ * Matthew Geier (matthew@cs.su.oz.au),
+ * Remo di Giovanni (remo@cs.su.oz.au),
+ * Mark Hagan (mhagan@wtcpost.daytonoh.NCR.COM),
+ * David Hinds <dahinds@users.sourceforge.net>,
+ * Jan Hoogendoorn (c/o marteijn@lucent.com),
+ * Bruce Janson <bruce@cs.usyd.edu.au>,
+ * Anthony D. Joseph <adj@lcs.mit.edu>,
+ * Anders Klemets (klemets@paul.rutgers.edu),
+ * Yunzhou Li <yunzhou@strat.iol.unh.edu>,
+ * Marc Meertens (mmeertens@lucent.com),
+ * Keith Moore,
+ * Robert Morris (rtm@das.harvard.edu),
+ * Ian Parkin (ian@cs.su.oz.au),
+ * John Rosenberg (johnr@cs.su.oz.au),
+ * George Rossi (george@phm.gov.au),
+ * Arthur Scott (arthur@cs.su.oz.au),
+ * Stanislav Sinyagin <stas@isf.ru>
+ * Peter Storey,
+ * Jean Tourrilhes <jt@hpl.hp.com>,
+ * Girish Welling (welling@paul.rutgers.edu)
+ * Clark Woodworth <clark@hiway1.exit109.com>
+ * Yongguang Zhang <ygz@isl.hrl.hac.com>...
+ */
+
+/* ------------------------- IMPROVEMENTS ------------------------- */
+/*
+ * I proudly present :
+ *
+ * Changes made in 2.8.22 :
+ * ----------------------
+ * - improved wv_set_multicast_list
+ * - catch spurious interrupt
+ * - correct release of the device
+ *
+ * Changes mades in release :
+ * ------------------------
+ * - Reorganisation of the code, function name change
+ * - Creation of private header (wavelan_cs.h)
+ * - Reorganised debug messages
+ * - More comments, history, ...
+ * - Configure earlier (in "insert" instead of "open")
+ * and do things only once
+ * - mmc_init : configure the PSA if not done
+ * - mmc_init : 2.00 detection better code for 2.00 init
+ * - better info at startup
+ * - Correct a HUGE bug (volatile & uncalibrated busy loop)
+ * in wv_82593_cmd => config speedup
+ * - Stop receiving & power down on close (and power up on open)
+ * use "ifconfig down" & "ifconfig up ; route add -net ..."
+ * - Send packets : add watchdog instead of pooling
+ * - Receive : check frame wrap around & try to recover some frames
+ * - wavelan_set_multicast_list : avoid reset
+ * - add wireless extensions (ioctl & get_wireless_stats)
+ * get/set nwid/frequency on fly, info for /proc/net/wireless
+ * - Suppress useless stuff from lp (net_local), but add link
+ * - More inlines
+ * - Lot of others minor details & cleanups
+ *
+ * Changes made in second release :
+ * ------------------------------
+ * - Optimise wv_85893_reconfig stuff, fix potential problems
+ * - Change error values for ioctl
+ * - Non blocking wv_ru_stop() + call wv_reset() in case of problems
+ * - Remove development printk from wavelan_watchdog()
+ * - Remove of the watchdog to wavelan_close instead of wavelan_release
+ * fix potential problems...
+ * - Start debugging suspend stuff (but it's still a bit weird)
+ * - Debug & optimize dump header/packet in Rx & Tx (debug)
+ * - Use "readb" and "writeb" to be kernel 2.1 compliant
+ * - Better handling of bogus interrupts
+ * - Wireless extension : SETSPY and GETSPY
+ * - Remove old stuff (stats - for those needing it, just ask me...)
+ * - Make wireless extensions optional
+ *
+ * Changes made in third release :
+ * -----------------------------
+ * - cleanups & typos
+ * - modif wireless ext (spy -> only one pointer)
+ * - new private ioctl to set/get quality & level threshold
+ * - Init : correct default value of level threshold for pcmcia
+ * - kill watchdog in hw_reset
+ * - more 2.1 support (copy_to/from_user instead of memcpy_to/fromfs)
+ * - Add message level (debug stuff in /var/adm/debug & errors not
+ * displayed at console and still in /var/adm/messages)
+ *
+ * Changes made in fourth release :
+ * ------------------------------
+ * - multicast support (yes !) thanks to Yongguang Zhang.
+ *
+ * Changes made in fifth release (2.9.0) :
+ * -------------------------------------
+ * - Revisited multicast code (it was mostly wrong).
+ * - protect code in wv_82593_reconfig with dev->tbusy (oups !)
+ *
+ * Changes made in sixth release (2.9.1a) :
+ * --------------------------------------
+ * - Change the detection code for multi manufacturer code support
+ * - Correct bug (hang kernel) in init when we were "rejecting" a card
+ *
+ * Changes made in seventh release (2.9.1b) :
+ * ----------------------------------------
+ * - Update to wireless extensions changes
+ * - Silly bug in card initial configuration (psa_conf_status)
+ *
+ * Changes made in eigth release :
+ * -----------------------------
+ * - Small bug in debug code (probably not the last one...)
+ * - 1.2.13 support (thanks to Clark Woodworth)
+ *
+ * Changes made for release in 2.9.2b :
+ * ----------------------------------
+ * - Level threshold is now a standard wireless extension (version 4 !)
+ * - modules parameters types for kernel > 2.1.17
+ * - updated man page
+ * - Others cleanup from David Hinds
+ *
+ * Changes made for release in 2.9.5 :
+ * ---------------------------------
+ * - byte count stats (courtesy of David Hinds)
+ * - Remove dev_tint stuff (courtesy of David Hinds)
+ * - Others cleanup from David Hinds
+ * - Encryption setting from Brent Elphick (thanks a lot !)
+ * - 'base' to 'u_long' for the Alpha (thanks to Stanislav Sinyagin)
+ *
+ * Changes made for release in 2.9.6 :
+ * ---------------------------------
+ * - fix bug : no longuer disable watchdog in case of bogus interrupt
+ * - increase timeout in config code for picky hardware
+ * - mask unused bits in status (Wireless Extensions)
+ *
+ * Changes integrated by Justin Seger <jseger@MIT.EDU> & David Hinds :
+ * -----------------------------------------------------------------
+ * - Roaming "hack" from Joe Finney <joe@comp.lancs.ac.uk>
+ * - PSA CRC code from Bob Gray <rgray@bald.cs.dartmouth.edu>
+ * - Better initialisation of the i82593 controller
+ * from Joseph K. O'Sullivan <josullvn+@cs.cmu.edu>
+ *
+ * Changes made for release in 3.0.10 :
+ * ----------------------------------
+ * - Fix eject "hang" of the driver under 2.2.X :
+ * o create wv_flush_stale_links()
+ * o Rename wavelan_release to wv_pcmcia_release & move up
+ * o move unregister_netdev to wavelan_detach()
+ * o wavelan_release() no longer call wavelan_detach()
+ * o Suppress "release" timer
+ * o Other cleanups & fixes
+ * - New MAC address in the probe
+ * - Reorg PSA_CRC code (endian neutral & cleaner)
+ * - Correct initialisation of the i82593 from Lucent manual
+ * - Put back the watchdog, with larger timeout
+ * - TRANSMIT_NO_CRC is a "normal" error, so recover from it
+ * from Derrick J Brashear <shadow@dementia.org>
+ * - Better handling of TX and RX normal failure conditions
+ * - #ifdef out all the roaming code
+ * - Add ESSID & "AP current address" ioctl stubs
+ * - General cleanup of the code
+ *
+ * Changes made for release in 3.0.13 :
+ * ----------------------------------
+ * - Re-enable compilation of roaming code by default, but with
+ * do_roaming = 0
+ * - Nuke `nwid=nwid^ntohs(beacon->domain_id)' in wl_roam_gather
+ * at the demand of John Carol Langford <jcl@gs176.sp.cs.cmu.edu>
+ * - Introduced WAVELAN_ROAMING_EXT for incomplete ESSID stuff.
+ *
+ * Changes made for release in 3.0.15 :
+ * ----------------------------------
+ * - Change e-mail and web page addresses
+ * - Watchdog timer is now correctly expressed in HZ, not in jiffies
+ * - Add channel number to the list of frequencies in range
+ * - Add the (short) list of bit-rates in range
+ * - Developp a new sensitivity... (sens.value & sens.fixed)
+ *
+ * Changes made for release in 3.1.2 :
+ * ---------------------------------
+ * - Fix check for root permission (break instead of exit)
+ * - New nwid & encoding setting (Wireless Extension 9)
+ *
+ * Changes made for release in 3.1.12 :
+ * ----------------------------------
+ * - reworked wv_82593_cmd to avoid using the IRQ handler and doing
+ * ugly things with interrupts.
+ * - Add IRQ protection in 82593_config/ru_start/ru_stop/watchdog
+ * - Update to new network API (softnet - 2.3.43) :
+ * o replace dev->tbusy (David + me)
+ * o replace dev->tstart (David + me)
+ * o remove dev->interrupt (David)
+ * o add SMP locking via spinlock in splxx (me)
+ * o add spinlock in interrupt handler (me)
+ * o use kernel watchdog instead of ours (me)
+ * o verify that all the changes make sense and work (me)
+ * - Re-sync kernel/pcmcia versions (not much actually)
+ * - A few other cleanups (David & me)...
+ *
+ * Changes made for release in 3.1.22 :
+ * ----------------------------------
+ * - Check that SMP works, remove annoying log message
+ *
+ * Changes made for release in 3.1.24 :
+ * ----------------------------------
+ * - Fix unfrequent card lockup when watchdog was reseting the hardware :
+ * o control first busy loop in wv_82593_cmd()
+ * o Extend spinlock protection in wv_hw_config()
+ *
+ * Changes made for release in 3.1.33 :
+ * ----------------------------------
+ * - Optional use new driver API for Wireless Extensions :
+ * o got rid of wavelan_ioctl()
+ * o use a bunch of iw_handler instead
+ *
+ * Changes made for release in 3.2.1 :
+ * ---------------------------------
+ * - Set dev->trans_start to avoid filling the logs
+ * (and generating useless abort commands)
+ * - Avoid deadlocks in mmc_out()/mmc_in()
+ *
+ * Wishes & dreams:
+ * ----------------
+ * - Cleanup and integrate the roaming code
+ * (std debug, set DomainID, decay avg and co...)
+ */
+
+/***************************** INCLUDES *****************************/
+
+/* Linux headers that we need */
+#include <linux/module.h>
+#include <linux/kernel.h>
+#include <linux/init.h>
+#include <linux/sched.h>
+#include <linux/ptrace.h>
+#include <linux/slab.h>
+#include <linux/string.h>
+#include <linux/timer.h>
+#include <linux/interrupt.h>
+#include <linux/spinlock.h>
+#include <linux/in.h>
+#include <linux/delay.h>
+#include <linux/bitops.h>
+#include <asm/uaccess.h>
+#include <asm/io.h>
+#include <asm/system.h>
+
+#include <linux/netdevice.h>
+#include <linux/etherdevice.h>
+#include <linux/skbuff.h>
+#include <linux/if_arp.h>
+#include <linux/ioport.h>
+#include <linux/fcntl.h>
+#include <linux/ethtool.h>
+#include <linux/wireless.h> /* Wireless extensions */
+#include <net/iw_handler.h> /* New driver API */
+
+/* Pcmcia headers that we need */
+#include <pcmcia/cs_types.h>
+#include <pcmcia/cs.h>
+#include <pcmcia/cistpl.h>
+#include <pcmcia/cisreg.h>
+#include <pcmcia/ds.h>
+
+/* Wavelan declarations */
+#include "i82593.h" /* Definitions for the Intel chip */
+
+#include "wavelan_cs.h" /* Others bits of the hardware */
+
+/************************** DRIVER OPTIONS **************************/
+/*
+ * `#define' or `#undef' the following constant to change the behaviour
+ * of the driver...
+ */
+#define WAVELAN_ROAMING /* Include experimental roaming code */
+#undef WAVELAN_ROAMING_EXT /* Enable roaming wireless extensions */
+#undef SET_PSA_CRC /* Set the CRC in PSA (slower) */
+#define USE_PSA_CONFIG /* Use info from the PSA */
+#undef EEPROM_IS_PROTECTED /* Doesn't seem to be necessary */
+#define MULTICAST_AVOID /* Avoid extra multicast (I'm sceptical) */
+#undef SET_MAC_ADDRESS /* Experimental */
+
+/* Warning : these stuff will slow down the driver... */
+#define WIRELESS_SPY /* Enable spying addresses */
+#undef HISTOGRAM /* Enable histogram of sig level... */
+
+/****************************** DEBUG ******************************/
+
+#undef DEBUG_MODULE_TRACE /* Module insertion/removal */
+#undef DEBUG_CALLBACK_TRACE /* Calls made by Linux */
+#undef DEBUG_INTERRUPT_TRACE /* Calls to handler */
+#undef DEBUG_INTERRUPT_INFO /* type of interrupt & so on */
+#define DEBUG_INTERRUPT_ERROR /* problems */
+#undef DEBUG_CONFIG_TRACE /* Trace the config functions */
+#undef DEBUG_CONFIG_INFO /* What's going on... */
+#define DEBUG_CONFIG_ERRORS /* Errors on configuration */
+#undef DEBUG_TX_TRACE /* Transmission calls */
+#undef DEBUG_TX_INFO /* Header of the transmitted packet */
+#undef DEBUG_TX_FAIL /* Normal failure conditions */
+#define DEBUG_TX_ERROR /* Unexpected conditions */
+#undef DEBUG_RX_TRACE /* Transmission calls */
+#undef DEBUG_RX_INFO /* Header of the transmitted packet */
+#undef DEBUG_RX_FAIL /* Normal failure conditions */
+#define DEBUG_RX_ERROR /* Unexpected conditions */
+#undef DEBUG_PACKET_DUMP /* Dump packet on the screen */
+#undef DEBUG_IOCTL_TRACE /* Misc call by Linux */
+#undef DEBUG_IOCTL_INFO /* Various debug info */
+#define DEBUG_IOCTL_ERROR /* What's going wrong */
+#define DEBUG_BASIC_SHOW /* Show basic startup info */
+#undef DEBUG_VERSION_SHOW /* Print version info */
+#undef DEBUG_PSA_SHOW /* Dump psa to screen */
+#undef DEBUG_MMC_SHOW /* Dump mmc to screen */
+#undef DEBUG_SHOW_UNUSED /* Show also unused fields */
+#undef DEBUG_I82593_SHOW /* Show i82593 status */
+#undef DEBUG_DEVICE_SHOW /* Show device parameters */
+
+/************************ CONSTANTS & MACROS ************************/
+
+#ifdef DEBUG_VERSION_SHOW
+static const char *version = "wavelan_cs.c : v24 (SMP + wireless extensions) 11/1/02\n";
+#endif
+
+/* Watchdog temporisation */
+#define WATCHDOG_JIFFIES (256*HZ/100)
+
+/* Fix a bug in some old wireless extension definitions */
+#ifndef IW_ESSID_MAX_SIZE
+#define IW_ESSID_MAX_SIZE 32
+#endif
+
+/* ------------------------ PRIVATE IOCTL ------------------------ */
+
+#define SIOCSIPQTHR SIOCIWFIRSTPRIV /* Set quality threshold */
+#define SIOCGIPQTHR SIOCIWFIRSTPRIV + 1 /* Get quality threshold */
+#define SIOCSIPROAM SIOCIWFIRSTPRIV + 2 /* Set roaming state */
+#define SIOCGIPROAM SIOCIWFIRSTPRIV + 3 /* Get roaming state */
+
+#define SIOCSIPHISTO SIOCIWFIRSTPRIV + 4 /* Set histogram ranges */
+#define SIOCGIPHISTO SIOCIWFIRSTPRIV + 5 /* Get histogram values */
+
+/*************************** WaveLAN Roaming **************************/
+#ifdef WAVELAN_ROAMING /* Conditional compile, see above in options */
+
+#define WAVELAN_ROAMING_DEBUG 0 /* 1 = Trace of handover decisions */
+ /* 2 = Info on each beacon rcvd... */
+#define MAX_WAVEPOINTS 7 /* Max visible at one time */
+#define WAVEPOINT_HISTORY 5 /* SNR sample history slow search */
+#define WAVEPOINT_FAST_HISTORY 2 /* SNR sample history fast search */
+#define SEARCH_THRESH_LOW 10 /* SNR to enter cell search */
+#define SEARCH_THRESH_HIGH 13 /* SNR to leave cell search */
+#define WAVELAN_ROAMING_DELTA 1 /* Hysteresis value (+/- SNR) */
+#define CELL_TIMEOUT 2*HZ /* in jiffies */
+
+#define FAST_CELL_SEARCH 1 /* Boolean values... */
+#define NWID_PROMISC 1 /* for code clarity. */
+
+typedef struct wavepoint_beacon
+{
+ unsigned char dsap, /* Unused */
+ ssap, /* Unused */
+ ctrl, /* Unused */
+ O,U,I, /* Unused */
+ spec_id1, /* Unused */
+ spec_id2, /* Unused */
+ pdu_type, /* Unused */
+ seq; /* WavePoint beacon sequence number */
+ __be16 domain_id, /* WavePoint Domain ID */
+ nwid; /* WavePoint NWID */
+} wavepoint_beacon;
+
+typedef struct wavepoint_history
+{
+ unsigned short nwid; /* WavePoint's NWID */
+ int average_slow; /* SNR running average */
+ int average_fast; /* SNR running average */
+ unsigned char sigqual[WAVEPOINT_HISTORY]; /* Ringbuffer of recent SNR's */
+ unsigned char qualptr; /* Index into ringbuffer */
+ unsigned char last_seq; /* Last seq. no seen for WavePoint */
+ struct wavepoint_history *next; /* Next WavePoint in table */
+ struct wavepoint_history *prev; /* Previous WavePoint in table */
+ unsigned long last_seen; /* Time of last beacon recvd, jiffies */
+} wavepoint_history;
+
+struct wavepoint_table
+{
+ wavepoint_history *head; /* Start of ringbuffer */
+ int num_wavepoints; /* No. of WavePoints visible */
+ unsigned char locked; /* Table lock */
+};
+
+#endif /* WAVELAN_ROAMING */
+
+/****************************** TYPES ******************************/
+
+/* Shortcuts */
+typedef struct iw_statistics iw_stats;
+typedef struct iw_quality iw_qual;
+typedef struct iw_freq iw_freq;
+typedef struct net_local net_local;
+typedef struct timer_list timer_list;
+
+/* Basic types */
+typedef u_char mac_addr[WAVELAN_ADDR_SIZE]; /* Hardware address */
+
+/*
+ * Static specific data for the interface.
+ *
+ * For each network interface, Linux keep data in two structure. "device"
+ * keep the generic data (same format for everybody) and "net_local" keep
+ * the additional specific data.
+ */
+struct net_local
+{
+ dev_node_t node; /* ???? What is this stuff ???? */
+ struct net_device * dev; /* Reverse link... */
+ spinlock_t spinlock; /* Serialize access to the hardware (SMP) */
+ struct pcmcia_device * link; /* pcmcia structure */
+ int nresets; /* Number of hw resets */
+ u_char configured; /* If it is configured */
+ u_char reconfig_82593; /* Need to reconfigure the controller */
+ u_char promiscuous; /* Promiscuous mode */
+ u_char allmulticast; /* All Multicast mode */
+ int mc_count; /* Number of multicast addresses */
+
+ int stop; /* Current i82593 Stop Hit Register */
+ int rfp; /* Last DMA machine receive pointer */
+ int overrunning; /* Receiver overrun flag */
+
+ iw_stats wstats; /* Wireless specific stats */
+
+ struct iw_spy_data spy_data;
+ struct iw_public_data wireless_data;
+
+#ifdef HISTOGRAM
+ int his_number; /* Number of intervals */
+ u_char his_range[16]; /* Boundaries of interval ]n-1; n] */
+ u_long his_sum[16]; /* Sum in interval */
+#endif /* HISTOGRAM */
+#ifdef WAVELAN_ROAMING
+ u_long domain_id; /* Domain ID we lock on for roaming */
+ int filter_domains; /* Check Domain ID of beacon found */
+ struct wavepoint_table wavepoint_table; /* Table of visible WavePoints*/
+ wavepoint_history * curr_point; /* Current wavepoint */
+ int cell_search; /* Searching for new cell? */
+ struct timer_list cell_timer; /* Garbage collection */
+#endif /* WAVELAN_ROAMING */
+ void __iomem *mem;
+};
+
+/* ----------------- MODEM MANAGEMENT SUBROUTINES ----------------- */
+static inline u_char /* data */
+ hasr_read(u_long); /* Read the host interface : base address */
+static void
+ hacr_write(u_long, /* Write to host interface : base address */
+ u_char), /* data */
+ hacr_write_slow(u_long,
+ u_char);
+static void
+ psa_read(struct net_device *, /* Read the Parameter Storage Area */
+ int, /* offset in PSA */
+ u_char *, /* buffer to fill */
+ int), /* size to read */
+ psa_write(struct net_device *, /* Write to the PSA */
+ int, /* Offset in psa */
+ u_char *, /* Buffer in memory */
+ int); /* Length of buffer */
+static void
+ mmc_out(u_long, /* Write 1 byte to the Modem Manag Control */
+ u_short,
+ u_char),
+ mmc_write(u_long, /* Write n bytes to the MMC */
+ u_char,
+ u_char *,
+ int);
+static u_char /* Read 1 byte from the MMC */
+ mmc_in(u_long,
+ u_short);
+static void
+ mmc_read(u_long, /* Read n bytes from the MMC */
+ u_char,
+ u_char *,
+ int),
+ fee_wait(u_long, /* Wait for frequency EEprom : base address */
+ int, /* Base delay to wait for */
+ int); /* Number of time to wait */
+static void
+ fee_read(u_long, /* Read the frequency EEprom : base address */
+ u_short, /* destination offset */
+ u_short *, /* data buffer */
+ int); /* number of registers */
+/* ---------------------- I82593 SUBROUTINES ----------------------- */
+static int
+ wv_82593_cmd(struct net_device *, /* synchronously send a command to i82593 */
+ char *,
+ int,
+ int);
+static inline int
+ wv_diag(struct net_device *); /* Diagnostique the i82593 */
+static int
+ read_ringbuf(struct net_device *, /* Read a receive buffer */
+ int,
+ char *,
+ int);
+static void
+ wv_82593_reconfig(struct net_device *); /* Reconfigure the controller */
+/* ------------------- DEBUG & INFO SUBROUTINES ------------------- */
+static void
+ wv_init_info(struct net_device *); /* display startup info */
+/* ------------------- IOCTL, STATS & RECONFIG ------------------- */
+static iw_stats *
+ wavelan_get_wireless_stats(struct net_device *);
+/* ----------------------- PACKET RECEPTION ----------------------- */
+static int
+ wv_start_of_frame(struct net_device *, /* Seek beggining of current frame */
+ int, /* end of frame */
+ int); /* start of buffer */
+static void
+ wv_packet_read(struct net_device *, /* Read a packet from a frame */
+ int,
+ int),
+ wv_packet_rcv(struct net_device *); /* Read all packets waiting */
+/* --------------------- PACKET TRANSMISSION --------------------- */
+static void
+ wv_packet_write(struct net_device *, /* Write a packet to the Tx buffer */
+ void *,
+ short);
+static netdev_tx_t
+ wavelan_packet_xmit(struct sk_buff *, /* Send a packet */
+ struct net_device *);
+/* -------------------- HARDWARE CONFIGURATION -------------------- */
+static int
+ wv_mmc_init(struct net_device *); /* Initialize the modem */
+static int
+ wv_ru_stop(struct net_device *), /* Stop the i82593 receiver unit */
+ wv_ru_start(struct net_device *); /* Start the i82593 receiver unit */
+static int
+ wv_82593_config(struct net_device *); /* Configure the i82593 */
+static int
+ wv_pcmcia_reset(struct net_device *); /* Reset the pcmcia interface */
+static int
+ wv_hw_config(struct net_device *); /* Reset & configure the whole hardware */
+static void
+ wv_hw_reset(struct net_device *); /* Same, + start receiver unit */
+static int
+ wv_pcmcia_config(struct pcmcia_device *); /* Configure the pcmcia interface */
+static void
+ wv_pcmcia_release(struct pcmcia_device *);/* Remove a device */
+/* ---------------------- INTERRUPT HANDLING ---------------------- */
+static irqreturn_t
+ wavelan_interrupt(int, /* Interrupt handler */
+ void *);
+static void
+ wavelan_watchdog(struct net_device *); /* Transmission watchdog */
+/* ------------------- CONFIGURATION CALLBACKS ------------------- */
+static int
+ wavelan_open(struct net_device *), /* Open the device */
+ wavelan_close(struct net_device *); /* Close the device */
+static void
+ wavelan_detach(struct pcmcia_device *p_dev); /* Destroy a removed device */
+
+/**************************** VARIABLES ****************************/
+
+/*
+ * Parameters that can be set with 'insmod'
+ * The exact syntax is 'insmod wavelan_cs.o <var>=<value>'
+ */
+
+/* Shared memory speed, in ns */
+static int mem_speed = 0;
+
+/* New module interface */
+module_param(mem_speed, int, 0);
+
+#ifdef WAVELAN_ROAMING /* Conditional compile, see above in options */
+/* Enable roaming mode ? No ! Please keep this to 0 */
+static int do_roaming = 0;
+module_param(do_roaming, bool, 0);
+#endif /* WAVELAN_ROAMING */
+
+MODULE_LICENSE("GPL");
+
+#endif /* WAVELAN_CS_P_H */
+
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