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git.proxmox.com Git - mirror_ubuntu-eoan-kernel.git/blob - drivers/net/skfp/h/fplustm.h
1 /******************************************************************************
3 * (C)Copyright 1998,1999 SysKonnect,
4 * a business unit of Schneider & Koch & Co. Datensysteme GmbH.
6 * This program is free software; you can redistribute it and/or modify
7 * it under the terms of the GNU General Public License as published by
8 * the Free Software Foundation; either version 2 of the License, or
9 * (at your option) any later version.
11 * The information in this file is provided "AS IS" without warranty.
13 ******************************************************************************/
16 * AMD Fplus in tag mode data structs
24 #define HW_PTR void __iomem *
28 * fplus error statistic structure
31 u_long err_valid
; /* memory status valid */
32 u_long err_abort
; /* memory status receive abort */
33 u_long err_e_indicator
; /* error indicator */
34 u_long err_crc
; /* error detected (CRC or length) */
35 u_long err_llc_frame
; /* LLC frame */
36 u_long err_mac_frame
; /* MAC frame */
37 u_long err_smt_frame
; /* SMT frame */
38 u_long err_imp_frame
; /* implementer frame */
39 u_long err_no_buf
; /* no buffer available */
40 u_long err_too_long
; /* longer than max. buffer */
41 u_long err_bec_stat
; /* beacon state entered */
42 u_long err_clm_stat
; /* claim state entered */
43 u_long err_sifg_det
; /* short interframe gap detect */
44 u_long err_phinv
; /* PHY invalid */
45 u_long err_tkiss
; /* token issued */
46 u_long err_tkerr
; /* token error */
50 * Transmit Descriptor struct
53 __le32 txd_tbctrl
; /* transmit buffer control */
54 __le32 txd_txdscr
; /* transmit frame status word */
55 __le32 txd_tbadr
; /* physical tx buffer address */
56 __le32 txd_ntdadr
; /* physical pointer to the next TxD */
58 __le32 txd_tbadr_hi
; /* physical tx buffer addr (high dword)*/
60 char far
*txd_virt
; /* virtual pointer to the data frag */
61 /* virt pointer to the next TxD */
62 struct s_smt_fp_txd
volatile far
*txd_next
;
63 struct s_txd_os txd_os
; /* OS - specific struct */
67 * Receive Descriptor struct
70 __le32 rxd_rbctrl
; /* receive buffer control */
71 __le32 rxd_rfsw
; /* receive frame status word */
72 __le32 rxd_rbadr
; /* physical rx buffer address */
73 __le32 rxd_nrdadr
; /* physical pointer to the next RxD */
75 __le32 rxd_rbadr_hi
; /* physical tx buffer addr (high dword)*/
77 char far
*rxd_virt
; /* virtual pointer to the data frag */
78 /* virt pointer to the next RxD */
79 struct s_smt_fp_rxd
volatile far
*rxd_next
;
80 struct s_rxd_os rxd_os
; /* OS - specific struct */
84 * Descriptor Union Definition
87 struct s_smt_fp_txd t
; /* pointer to the TxD */
88 struct s_smt_fp_rxd r
; /* pointer to the RxD */
92 * TxD Ring Control struct
94 struct s_smt_tx_queue
{
95 struct s_smt_fp_txd
volatile *tx_curr_put
; /* next free TxD */
96 struct s_smt_fp_txd
volatile *tx_prev_put
; /* shadow put pointer */
97 struct s_smt_fp_txd
volatile *tx_curr_get
; /* next TxD to release*/
98 u_short tx_free
; /* count of free TxD's */
99 u_short tx_used
; /* count of used TxD's */
100 HW_PTR tx_bmu_ctl
; /* BMU addr for tx start */
101 HW_PTR tx_bmu_dsc
; /* BMU addr for curr dsc. */
105 * RxD Ring Control struct
107 struct s_smt_rx_queue
{
108 struct s_smt_fp_rxd
volatile *rx_curr_put
; /* next RxD to queue into */
109 struct s_smt_fp_rxd
volatile *rx_prev_put
; /* shadow put pointer */
110 struct s_smt_fp_rxd
volatile *rx_curr_get
; /* next RxD to fill */
111 u_short rx_free
; /* count of free RxD's */
112 u_short rx_used
; /* count of used RxD's */
113 HW_PTR rx_bmu_ctl
; /* BMU addr for rx start */
114 HW_PTR rx_bmu_dsc
; /* BMU addr for curr dsc. */
117 #define VOID_FRAME_OFF 0x00
118 #define CLAIM_FRAME_OFF 0x08
119 #define BEACON_FRAME_OFF 0x10
120 #define DBEACON_FRAME_OFF 0x18
121 #define RX_FIFO_OFF 0x21 /* to get a prime number for */
122 /* the RX_FIFO_SPACE */
124 #define RBC_MEM_SIZE 0x8000
125 #define SEND_ASYNC_AS_SYNC 0x1
126 #define SYNC_TRAFFIC_ON 0x2
128 /* big FIFO memory */
129 #define RX_FIFO_SPACE 0x4000 - RX_FIFO_OFF
130 #define TX_FIFO_SPACE 0x4000
132 #define TX_SMALL_FIFO 0x0900
133 #define TX_MEDIUM_FIFO TX_FIFO_SPACE / 2
134 #define TX_LARGE_FIFO TX_FIFO_SPACE - TX_SMALL_FIFO
136 #define RX_SMALL_FIFO 0x0900
137 #define RX_LARGE_FIFO RX_FIFO_SPACE - RX_SMALL_FIFO
139 struct s_smt_fifo_conf
{
140 u_short rbc_ram_start
; /* FIFO start address */
141 u_short rbc_ram_end
; /* FIFO size */
142 u_short rx1_fifo_start
; /* rx queue start address */
143 u_short rx1_fifo_size
; /* rx queue size */
144 u_short rx2_fifo_start
; /* rx queue start address */
145 u_short rx2_fifo_size
; /* rx queue size */
146 u_short tx_s_start
; /* sync queue start address */
147 u_short tx_s_size
; /* sync queue size */
148 u_short tx_a0_start
; /* async queue A0 start address */
149 u_short tx_a0_size
; /* async queue A0 size */
150 u_short fifo_config_mode
; /* FIFO configuration mode */
153 #define FM_ADDRX (FM_ADDET|FM_EXGPA0|FM_EXGPA1)
156 u_short mdr2init
; /* mode register 2 init value */
157 u_short mdr3init
; /* mode register 3 init value */
158 u_short frselreg_init
; /* frame selection register init val */
159 u_short rx_mode
; /* address mode broad/multi/promisc */
164 struct err_st err_stats
; /* error statistics */
169 struct fddi_mac_sf
{ /* special frame build buffer */
171 struct fddi_addr mac_dest
;
172 struct fddi_addr mac_source
;
173 u_char mac_info
[0x20] ;
184 #define USED_QUEUES 2
187 * queue pointers; points to the queue dependent variables
189 struct s_smt_tx_queue
*tx
[USED_QUEUES
] ;
190 struct s_smt_rx_queue
*rx
[USED_QUEUES
] ;
193 * queue dependent variables
195 struct s_smt_tx_queue tx_q
[USED_QUEUES
] ;
196 struct s_smt_rx_queue rx_q
[USED_QUEUES
] ;
199 * FIFO configuration struct
201 struct s_smt_fifo_conf fifo
;
203 /* last formac status */
207 /* calculated FORMAC+ reg.addr. */
219 #define FPMAX_MULTICAST 32
220 #define SMT_MAX_MULTI 4
223 struct fddi_addr a
; /* mc address */
224 u_char n
; /* usage counter */
225 u_char perm
; /* flag: permanent */
226 } table
[FPMAX_MULTICAST
] ;
228 struct fddi_addr group_addr
;
229 u_long func_addr
; /* functional address */
230 int smt_slots_used
; /* count of table entries for the SMT */
231 int os_slots_used
; /* count of table entries */
232 /* used by the os-specific module */
236 * modes for mac_set_rx_mode()
238 #define RX_ENABLE_ALLMULTI 1 /* enable all multicasts */
239 #define RX_DISABLE_ALLMULTI 2 /* disable "enable all multicasts" */
240 #define RX_ENABLE_PROMISC 3 /* enable promiscuous */
241 #define RX_DISABLE_PROMISC 4 /* disable promiscuous */
242 #define RX_ENABLE_NSA 5 /* enable reception of NSA frames */
243 #define RX_DISABLE_NSA 6 /* disable reception of NSA frames */
247 * support for byte reversal in AIX
248 * (descriptors and pointers must be byte reversed in memory
249 * CPU is big endian; M-Channel is little endian)
253 #define AIX_REVERSE(x) ((((x)<<24L)&0xff000000L) + \
254 (((x)<< 8L)&0x00ff0000L) + \
255 (((x)>> 8L)&0x0000ff00L) + \
256 (((x)>>24L)&0x000000ffL))
259 #define AIX_REVERSE(x) (x)
264 #define MDR_REVERSE(x) ((((x)<<24L)&0xff000000L) + \
265 (((x)<< 8L)&0x00ff0000L) + \
266 (((x)>> 8L)&0x0000ff00L) + \
267 (((x)>>24L)&0x000000ffL))
270 #define MDR_REVERSE(x) (x)