4 #include <linux/interrupt.h>
5 #include <linux/wireless.h>
6 #include <linux/netdevice.h>
7 #include <linux/etherdevice.h>
8 #include <linux/mutex.h>
9 #include <linux/refcount.h>
10 #include <net/iw_handler.h>
11 #include <net/ieee80211_radiotap.h>
12 #include <net/lib80211.h>
14 #include "hostap_config.h"
15 #include "hostap_common.h"
17 #define MAX_PARM_DEVICES 8
18 #define PARM_MIN_MAX "1-" __MODULE_STRING(MAX_PARM_DEVICES)
19 #define DEF_INTS -1, -1, -1, -1, -1, -1, -1
20 #define GET_INT_PARM(var,idx) var[var[idx] < 0 ? 0 : idx]
23 /* Specific skb->protocol value that indicates that the packet already contains
25 * FIX: This might need own value that would be allocated especially for Prism2
26 * txdesc; ETH_P_CONTROL is commented as "Card specific control frames".
27 * However, these skb's should have only minimal path in the kernel side since
28 * prism2_send_mgmt() sends these with dev_queue_xmit() to prism2_tx(). */
29 #define ETH_P_HOSTAP ETH_P_CONTROL
31 /* ARPHRD_IEEE80211_PRISM uses a bloated version of Prism2 RX frame header
32 * (from linux-wlan-ng) */
33 struct linux_wlan_ng_val
{
39 struct linux_wlan_ng_prism_hdr
{
42 struct linux_wlan_ng_val hosttime
, mactime
, channel
, rssi
, sq
, signal
,
43 noise
, rate
, istx
, frmlen
;
46 struct linux_wlan_ng_cap_hdr
{
63 struct hostap_radiotap_rx
{
64 struct ieee80211_radiotap_header hdr
;
74 #define LWNG_CAP_DID_BASE (4 | (1 << 6)) /* section 4, group 1 */
75 #define LWNG_CAPHDR_VERSION 0x80211001
77 struct hfa384x_rx_frame
{
78 /* HFA384X RX frame descriptor */
79 __le16 status
; /* HFA384X_RX_STATUS_ flags */
80 __le32 time
; /* timestamp, 1 microsecond resolution */
81 u8 silence
; /* 27 .. 154; seems to be 0 */
82 u8 signal
; /* 27 .. 154 */
83 u8 rate
; /* 10, 20, 55, or 110 */
98 u8 dst_addr
[ETH_ALEN
];
99 u8 src_addr
[ETH_ALEN
];
102 /* followed by frame data; max 2304 bytes */
106 struct hfa384x_tx_frame
{
107 /* HFA384X TX frame descriptor */
108 __le16 status
; /* HFA384X_TX_STATUS_ flags */
112 u8 retry_count
; /* not yet implemented */
113 u8 tx_rate
; /* Host AP only; 0 = firmware, or 10, 20, 55, 110 */
114 __le16 tx_control
; /* HFA384X_TX_CTRL_ flags */
117 __le16 frame_control
; /* parts not used */
120 u8 addr2
[ETH_ALEN
]; /* filled by firmware */
122 __le16 seq_ctrl
; /* filled by firmware */
127 u8 dst_addr
[ETH_ALEN
];
128 u8 src_addr
[ETH_ALEN
];
131 /* followed by frame data; max 2304 bytes */
135 struct hfa384x_rid_hdr
142 /* Macro for converting signal levels (range 27 .. 154) to wireless ext
143 * dBm value with some accuracy */
144 #define HFA384X_LEVEL_TO_dBm(v) 0x100 + (v) * 100 / 255 - 100
146 #define HFA384X_LEVEL_TO_dBm_sign(v) (v) * 100 / 255 - 100
148 struct hfa384x_scan_request
{
150 __le16 txrate
; /* HFA384X_RATES_* */
153 struct hfa384x_hostscan_request
{
156 __le16 target_ssid_len
;
160 struct hfa384x_join_request
{
165 struct hfa384x_info_frame
{
170 struct hfa384x_comm_tallies
{
171 __le16 tx_unicast_frames
;
172 __le16 tx_multicast_frames
;
174 __le16 tx_unicast_octets
;
175 __le16 tx_multicast_octets
;
176 __le16 tx_deferred_transmissions
;
177 __le16 tx_single_retry_frames
;
178 __le16 tx_multiple_retry_frames
;
179 __le16 tx_retry_limit_exceeded
;
181 __le16 rx_unicast_frames
;
182 __le16 rx_multicast_frames
;
184 __le16 rx_unicast_octets
;
185 __le16 rx_multicast_octets
;
186 __le16 rx_fcs_errors
;
187 __le16 rx_discards_no_buffer
;
188 __le16 tx_discards_wrong_sa
;
189 __le16 rx_discards_wep_undecryptable
;
190 __le16 rx_message_in_msg_fragments
;
191 __le16 rx_message_in_bad_msg_fragments
;
194 struct hfa384x_comm_tallies32
{
195 __le32 tx_unicast_frames
;
196 __le32 tx_multicast_frames
;
198 __le32 tx_unicast_octets
;
199 __le32 tx_multicast_octets
;
200 __le32 tx_deferred_transmissions
;
201 __le32 tx_single_retry_frames
;
202 __le32 tx_multiple_retry_frames
;
203 __le32 tx_retry_limit_exceeded
;
205 __le32 rx_unicast_frames
;
206 __le32 rx_multicast_frames
;
208 __le32 rx_unicast_octets
;
209 __le32 rx_multicast_octets
;
210 __le32 rx_fcs_errors
;
211 __le32 rx_discards_no_buffer
;
212 __le32 tx_discards_wrong_sa
;
213 __le32 rx_discards_wep_undecryptable
;
214 __le32 rx_message_in_msg_fragments
;
215 __le32 rx_message_in_bad_msg_fragments
;
218 struct hfa384x_scan_result_hdr
{
221 #define HFA384X_SCAN_IN_PROGRESS 0 /* no results available yet */
222 #define HFA384X_SCAN_HOST_INITIATED 1
223 #define HFA384X_SCAN_FIRMWARE_INITIATED 2
224 #define HFA384X_SCAN_INQUIRY_FROM_HOST 3
227 #define HFA384X_SCAN_MAX_RESULTS 32
229 struct hfa384x_scan_result
{
234 __le16 beacon_interval
;
242 struct hfa384x_hostscan_result
{
247 __le16 beacon_interval
;
256 struct comm_tallies_sums
{
257 unsigned int tx_unicast_frames
;
258 unsigned int tx_multicast_frames
;
259 unsigned int tx_fragments
;
260 unsigned int tx_unicast_octets
;
261 unsigned int tx_multicast_octets
;
262 unsigned int tx_deferred_transmissions
;
263 unsigned int tx_single_retry_frames
;
264 unsigned int tx_multiple_retry_frames
;
265 unsigned int tx_retry_limit_exceeded
;
266 unsigned int tx_discards
;
267 unsigned int rx_unicast_frames
;
268 unsigned int rx_multicast_frames
;
269 unsigned int rx_fragments
;
270 unsigned int rx_unicast_octets
;
271 unsigned int rx_multicast_octets
;
272 unsigned int rx_fcs_errors
;
273 unsigned int rx_discards_no_buffer
;
274 unsigned int tx_discards_wrong_sa
;
275 unsigned int rx_discards_wep_undecryptable
;
276 unsigned int rx_message_in_msg_fragments
;
277 unsigned int rx_message_in_bad_msg_fragments
;
281 struct hfa384x_regs
{
290 #if defined(PRISM2_PCCARD) || defined(PRISM2_PLX)
291 /* I/O ports for HFA384X Controller access */
292 #define HFA384X_CMD_OFF 0x00
293 #define HFA384X_PARAM0_OFF 0x02
294 #define HFA384X_PARAM1_OFF 0x04
295 #define HFA384X_PARAM2_OFF 0x06
296 #define HFA384X_STATUS_OFF 0x08
297 #define HFA384X_RESP0_OFF 0x0A
298 #define HFA384X_RESP1_OFF 0x0C
299 #define HFA384X_RESP2_OFF 0x0E
300 #define HFA384X_INFOFID_OFF 0x10
301 #define HFA384X_CONTROL_OFF 0x14
302 #define HFA384X_SELECT0_OFF 0x18
303 #define HFA384X_SELECT1_OFF 0x1A
304 #define HFA384X_OFFSET0_OFF 0x1C
305 #define HFA384X_OFFSET1_OFF 0x1E
306 #define HFA384X_RXFID_OFF 0x20
307 #define HFA384X_ALLOCFID_OFF 0x22
308 #define HFA384X_TXCOMPLFID_OFF 0x24
309 #define HFA384X_SWSUPPORT0_OFF 0x28
310 #define HFA384X_SWSUPPORT1_OFF 0x2A
311 #define HFA384X_SWSUPPORT2_OFF 0x2C
312 #define HFA384X_EVSTAT_OFF 0x30
313 #define HFA384X_INTEN_OFF 0x32
314 #define HFA384X_EVACK_OFF 0x34
315 #define HFA384X_DATA0_OFF 0x36
316 #define HFA384X_DATA1_OFF 0x38
317 #define HFA384X_AUXPAGE_OFF 0x3A
318 #define HFA384X_AUXOFFSET_OFF 0x3C
319 #define HFA384X_AUXDATA_OFF 0x3E
320 #endif /* PRISM2_PCCARD || PRISM2_PLX */
323 /* Memory addresses for ISL3874 controller access */
324 #define HFA384X_CMD_OFF 0x00
325 #define HFA384X_PARAM0_OFF 0x04
326 #define HFA384X_PARAM1_OFF 0x08
327 #define HFA384X_PARAM2_OFF 0x0C
328 #define HFA384X_STATUS_OFF 0x10
329 #define HFA384X_RESP0_OFF 0x14
330 #define HFA384X_RESP1_OFF 0x18
331 #define HFA384X_RESP2_OFF 0x1C
332 #define HFA384X_INFOFID_OFF 0x20
333 #define HFA384X_CONTROL_OFF 0x28
334 #define HFA384X_SELECT0_OFF 0x30
335 #define HFA384X_SELECT1_OFF 0x34
336 #define HFA384X_OFFSET0_OFF 0x38
337 #define HFA384X_OFFSET1_OFF 0x3C
338 #define HFA384X_RXFID_OFF 0x40
339 #define HFA384X_ALLOCFID_OFF 0x44
340 #define HFA384X_TXCOMPLFID_OFF 0x48
341 #define HFA384X_PCICOR_OFF 0x4C
342 #define HFA384X_SWSUPPORT0_OFF 0x50
343 #define HFA384X_SWSUPPORT1_OFF 0x54
344 #define HFA384X_SWSUPPORT2_OFF 0x58
345 #define HFA384X_PCIHCR_OFF 0x5C
346 #define HFA384X_EVSTAT_OFF 0x60
347 #define HFA384X_INTEN_OFF 0x64
348 #define HFA384X_EVACK_OFF 0x68
349 #define HFA384X_DATA0_OFF 0x6C
350 #define HFA384X_DATA1_OFF 0x70
351 #define HFA384X_AUXPAGE_OFF 0x74
352 #define HFA384X_AUXOFFSET_OFF 0x78
353 #define HFA384X_AUXDATA_OFF 0x7C
354 #define HFA384X_PCI_M0_ADDRH_OFF 0x80
355 #define HFA384X_PCI_M0_ADDRL_OFF 0x84
356 #define HFA384X_PCI_M0_LEN_OFF 0x88
357 #define HFA384X_PCI_M0_CTL_OFF 0x8C
358 #define HFA384X_PCI_STATUS_OFF 0x98
359 #define HFA384X_PCI_M1_ADDRH_OFF 0xA0
360 #define HFA384X_PCI_M1_ADDRL_OFF 0xA4
361 #define HFA384X_PCI_M1_LEN_OFF 0xA8
362 #define HFA384X_PCI_M1_CTL_OFF 0xAC
364 /* PCI bus master control bits (these are undocumented; based on guessing and
365 * experimenting..) */
366 #define HFA384X_PCI_CTL_FROM_BAP (BIT(5) | BIT(1) | BIT(0))
367 #define HFA384X_PCI_CTL_TO_BAP (BIT(5) | BIT(0))
369 #endif /* PRISM2_PCI */
372 /* Command codes for CMD reg. */
373 #define HFA384X_CMDCODE_INIT 0x00
374 #define HFA384X_CMDCODE_ENABLE 0x01
375 #define HFA384X_CMDCODE_DISABLE 0x02
376 #define HFA384X_CMDCODE_ALLOC 0x0A
377 #define HFA384X_CMDCODE_TRANSMIT 0x0B
378 #define HFA384X_CMDCODE_INQUIRE 0x11
379 #define HFA384X_CMDCODE_ACCESS 0x21
380 #define HFA384X_CMDCODE_ACCESS_WRITE (0x21 | BIT(8))
381 #define HFA384X_CMDCODE_DOWNLOAD 0x22
382 #define HFA384X_CMDCODE_READMIF 0x30
383 #define HFA384X_CMDCODE_WRITEMIF 0x31
384 #define HFA384X_CMDCODE_TEST 0x38
386 #define HFA384X_CMDCODE_MASK 0x3F
388 /* Test mode operations */
389 #define HFA384X_TEST_CHANGE_CHANNEL 0x08
390 #define HFA384X_TEST_MONITOR 0x0B
391 #define HFA384X_TEST_STOP 0x0F
392 #define HFA384X_TEST_CFG_BITS 0x15
393 #define HFA384X_TEST_CFG_BIT_ALC BIT(3)
395 #define HFA384X_CMD_BUSY BIT(15)
397 #define HFA384X_CMD_TX_RECLAIM BIT(8)
399 #define HFA384X_OFFSET_ERR BIT(14)
400 #define HFA384X_OFFSET_BUSY BIT(15)
403 /* ProgMode for download command */
404 #define HFA384X_PROGMODE_DISABLE 0
405 #define HFA384X_PROGMODE_ENABLE_VOLATILE 1
406 #define HFA384X_PROGMODE_ENABLE_NON_VOLATILE 2
407 #define HFA384X_PROGMODE_PROGRAM_NON_VOLATILE 3
409 #define HFA384X_AUX_MAGIC0 0xfe01
410 #define HFA384X_AUX_MAGIC1 0xdc23
411 #define HFA384X_AUX_MAGIC2 0xba45
413 #define HFA384X_AUX_PORT_DISABLED 0
414 #define HFA384X_AUX_PORT_DISABLE BIT(14)
415 #define HFA384X_AUX_PORT_ENABLE BIT(15)
416 #define HFA384X_AUX_PORT_ENABLED (BIT(14) | BIT(15))
417 #define HFA384X_AUX_PORT_MASK (BIT(14) | BIT(15))
419 #define PRISM2_PDA_SIZE 1024
422 /* Events; EvStat, Interrupt mask (IntEn), and acknowledge bits (EvAck) */
423 #define HFA384X_EV_TICK BIT(15)
424 #define HFA384X_EV_WTERR BIT(14)
425 #define HFA384X_EV_INFDROP BIT(13)
427 #define HFA384X_EV_PCI_M1 BIT(9)
428 #define HFA384X_EV_PCI_M0 BIT(8)
429 #endif /* PRISM2_PCI */
430 #define HFA384X_EV_INFO BIT(7)
431 #define HFA384X_EV_DTIM BIT(5)
432 #define HFA384X_EV_CMD BIT(4)
433 #define HFA384X_EV_ALLOC BIT(3)
434 #define HFA384X_EV_TXEXC BIT(2)
435 #define HFA384X_EV_TX BIT(1)
436 #define HFA384X_EV_RX BIT(0)
439 /* HFA384X Information frames */
440 #define HFA384X_INFO_HANDOVERADDR 0xF000 /* AP f/w ? */
441 #define HFA384X_INFO_HANDOVERDEAUTHADDR 0xF001 /* AP f/w 1.3.7 */
442 #define HFA384X_INFO_COMMTALLIES 0xF100
443 #define HFA384X_INFO_SCANRESULTS 0xF101
444 #define HFA384X_INFO_CHANNELINFORESULTS 0xF102 /* AP f/w only */
445 #define HFA384X_INFO_HOSTSCANRESULTS 0xF103
446 #define HFA384X_INFO_LINKSTATUS 0xF200
447 #define HFA384X_INFO_ASSOCSTATUS 0xF201 /* ? */
448 #define HFA384X_INFO_AUTHREQ 0xF202 /* ? */
449 #define HFA384X_INFO_PSUSERCNT 0xF203 /* ? */
450 #define HFA384X_INFO_KEYIDCHANGED 0xF204 /* ? */
452 enum { HFA384X_LINKSTATUS_CONNECTED
= 1,
453 HFA384X_LINKSTATUS_DISCONNECTED
= 2,
454 HFA384X_LINKSTATUS_AP_CHANGE
= 3,
455 HFA384X_LINKSTATUS_AP_OUT_OF_RANGE
= 4,
456 HFA384X_LINKSTATUS_AP_IN_RANGE
= 5,
457 HFA384X_LINKSTATUS_ASSOC_FAILED
= 6 };
459 enum { HFA384X_PORTTYPE_BSS
= 1, HFA384X_PORTTYPE_WDS
= 2,
460 HFA384X_PORTTYPE_PSEUDO_IBSS
= 3, HFA384X_PORTTYPE_IBSS
= 0,
461 HFA384X_PORTTYPE_HOSTAP
= 6 };
463 #define HFA384X_RATES_1MBPS BIT(0)
464 #define HFA384X_RATES_2MBPS BIT(1)
465 #define HFA384X_RATES_5MBPS BIT(2)
466 #define HFA384X_RATES_11MBPS BIT(3)
468 #define HFA384X_ROAMING_FIRMWARE 1
469 #define HFA384X_ROAMING_HOST 2
470 #define HFA384X_ROAMING_DISABLED 3
472 #define HFA384X_WEPFLAGS_PRIVACYINVOKED BIT(0)
473 #define HFA384X_WEPFLAGS_EXCLUDEUNENCRYPTED BIT(1)
474 #define HFA384X_WEPFLAGS_HOSTENCRYPT BIT(4)
475 #define HFA384X_WEPFLAGS_HOSTDECRYPT BIT(7)
477 #define HFA384X_RX_STATUS_MSGTYPE (BIT(15) | BIT(14) | BIT(13))
478 #define HFA384X_RX_STATUS_PCF BIT(12)
479 #define HFA384X_RX_STATUS_MACPORT (BIT(10) | BIT(9) | BIT(8))
480 #define HFA384X_RX_STATUS_UNDECR BIT(1)
481 #define HFA384X_RX_STATUS_FCSERR BIT(0)
483 #define HFA384X_RX_STATUS_GET_MSGTYPE(s) \
484 (((s) & HFA384X_RX_STATUS_MSGTYPE) >> 13)
485 #define HFA384X_RX_STATUS_GET_MACPORT(s) \
486 (((s) & HFA384X_RX_STATUS_MACPORT) >> 8)
488 enum { HFA384X_RX_MSGTYPE_NORMAL
= 0, HFA384X_RX_MSGTYPE_RFC1042
= 1,
489 HFA384X_RX_MSGTYPE_BRIDGETUNNEL
= 2, HFA384X_RX_MSGTYPE_MGMT
= 4 };
492 #define HFA384X_TX_CTRL_ALT_RTRY BIT(5)
493 #define HFA384X_TX_CTRL_802_11 BIT(3)
494 #define HFA384X_TX_CTRL_802_3 0
495 #define HFA384X_TX_CTRL_TX_EX BIT(2)
496 #define HFA384X_TX_CTRL_TX_OK BIT(1)
498 #define HFA384X_TX_STATUS_RETRYERR BIT(0)
499 #define HFA384X_TX_STATUS_AGEDERR BIT(1)
500 #define HFA384X_TX_STATUS_DISCON BIT(2)
501 #define HFA384X_TX_STATUS_FORMERR BIT(3)
503 /* HFA3861/3863 (BBP) Control Registers */
504 #define HFA386X_CR_TX_CONFIGURE 0x12 /* CR9 */
505 #define HFA386X_CR_RX_CONFIGURE 0x14 /* CR10 */
506 #define HFA386X_CR_A_D_TEST_MODES2 0x1A /* CR13 */
507 #define HFA386X_CR_MANUAL_TX_POWER 0x3E /* CR31 */
508 #define HFA386X_CR_MEASURED_TX_POWER 0x74 /* CR58 */
513 #define PRISM2_TXFID_COUNT 8
514 #define PRISM2_DATA_MAXLEN 2304
515 #define PRISM2_TXFID_LEN (PRISM2_DATA_MAXLEN + sizeof(struct hfa384x_tx_frame))
516 #define PRISM2_TXFID_EMPTY 0xffff
517 #define PRISM2_TXFID_RESERVED 0xfffe
518 #define PRISM2_DUMMY_FID 0xffff
519 #define MAX_SSID_LEN 32
520 #define MAX_NAME_LEN 32 /* this is assumed to be equal to MAX_SSID_LEN */
522 #define PRISM2_DUMP_RX_HDR BIT(0)
523 #define PRISM2_DUMP_TX_HDR BIT(1)
524 #define PRISM2_DUMP_TXEXC_HDR BIT(2)
526 struct hostap_tx_callback_info
{
528 void (*func
)(struct sk_buff
*, int ok
, void *);
530 struct hostap_tx_callback_info
*next
;
534 /* IEEE 802.11 requires that STA supports concurrent reception of at least
535 * three fragmented frames. This define can be increased to support more
536 * concurrent frames, but it should be noted that each entry can consume about
537 * 2 kB of RAM and increasing cache size will slow down frame reassembly. */
538 #define PRISM2_FRAG_CACHE_LEN 4
540 struct prism2_frag_entry
{
541 unsigned long first_frag_time
;
543 unsigned int last_frag
;
545 u8 src_addr
[ETH_ALEN
];
546 u8 dst_addr
[ETH_ALEN
];
550 struct hostap_cmd_queue
{
551 struct list_head list
;
552 wait_queue_head_t
compl;
553 volatile enum { CMD_SLEEP
, CMD_CALLBACK
, CMD_COMPLETED
} type
;
554 void (*callback
)(struct net_device
*dev
, long context
, u16 resp0
,
557 u16 cmd
, param0
, param1
;
559 volatile int issued
, issuing
;
565 /* options for hw_shutdown */
566 #define HOSTAP_HW_NO_DISABLE BIT(0)
567 #define HOSTAP_HW_ENABLE_CMDCOMPL BIT(1)
569 typedef struct local_info local_info_t
;
571 struct prism2_helper_functions
{
572 /* these functions are defined in hardware model specific files
573 * (hostap_{cs,plx,pci}.c */
574 int (*card_present
)(local_info_t
*local
);
575 void (*cor_sreset
)(local_info_t
*local
);
576 void (*genesis_reset
)(local_info_t
*local
, int hcr
);
578 /* the following functions are from hostap_hw.c, but they may have some
579 * hardware model specific code */
581 /* FIX: low-level commands like cmd might disappear at some point to
582 * make it easier to change them if needed (e.g., cmd would be replaced
583 * with write_mif/read_mif/testcmd/inquire); at least get_rid and
584 * set_rid might move to hostap_{cs,plx,pci}.c */
585 int (*cmd
)(struct net_device
*dev
, u16 cmd
, u16 param0
, u16
*param1
,
587 void (*read_regs
)(struct net_device
*dev
, struct hfa384x_regs
*regs
);
588 int (*get_rid
)(struct net_device
*dev
, u16 rid
, void *buf
, int len
,
590 int (*set_rid
)(struct net_device
*dev
, u16 rid
, void *buf
, int len
);
591 int (*hw_enable
)(struct net_device
*dev
, int initial
);
592 int (*hw_config
)(struct net_device
*dev
, int initial
);
593 void (*hw_reset
)(struct net_device
*dev
);
594 void (*hw_shutdown
)(struct net_device
*dev
, int no_disable
);
595 int (*reset_port
)(struct net_device
*dev
);
596 void (*schedule_reset
)(local_info_t
*local
);
597 int (*download
)(local_info_t
*local
,
598 struct prism2_download_param
*param
);
599 int (*tx
)(struct sk_buff
*skb
, struct net_device
*dev
);
600 int (*set_tim
)(struct net_device
*dev
, int aid
, int set
);
601 const struct file_operations
*read_aux_fops
;
603 int need_tx_headroom
; /* number of bytes of headroom needed before
604 * IEEE 802.11 header */
605 enum { HOSTAP_HW_PCCARD
, HOSTAP_HW_PLX
, HOSTAP_HW_PCI
} hw_type
;
609 struct prism2_download_data
{
613 struct prism2_download_data_area
{
614 u32 addr
; /* wlan card address */
616 u8
*data
; /* allocated data */
621 #define HOSTAP_MAX_BSS_COUNT 64
622 #define MAX_WPA_IE_LEN 64
624 struct hostap_bss_info
{
625 struct list_head list
;
626 unsigned long last_update
;
632 u8 wpa_ie
[MAX_WPA_IE_LEN
];
634 u8 rsn_ie
[MAX_WPA_IE_LEN
];
641 /* Per radio private Host AP data - shared by all net devices interfaces used
642 * by each radio (wlan#, wlan#ap, wlan#sta, WDS).
643 * ((struct hostap_interface *) netdev_priv(dev))->local points to this
646 struct module
*hw_module
;
649 int master_dev_auto_open
; /* was master device opened automatically */
650 int num_dev_open
; /* number of open devices */
651 struct net_device
*dev
; /* master radio device */
652 struct net_device
*ddev
; /* main data device */
653 struct list_head hostap_interfaces
; /* Host AP interface list (contains
654 * struct hostap_interface entries)
656 rwlock_t iface_lock
; /* hostap_interfaces read lock; use write lock
657 * when removing entries from the list.
658 * TX and RX paths can use read lock. */
659 spinlock_t cmdlock
, baplock
, lock
, irq_init_lock
;
660 struct mutex rid_bap_mtx
;
661 u16 infofid
; /* MAC buffer id for info frame */
662 /* txfid, intransmitfid, next_txtid, and next_alloc are protected by
664 spinlock_t txfidlock
;
665 int txfid_len
; /* length of allocated TX buffers */
666 u16 txfid
[PRISM2_TXFID_COUNT
]; /* buffer IDs for TX frames */
667 /* buffer IDs for intransmit frames or PRISM2_TXFID_EMPTY if
668 * corresponding txfid is free for next TX frame */
669 u16 intransmitfid
[PRISM2_TXFID_COUNT
];
670 int next_txfid
; /* index to the next txfid to be checked for
672 int next_alloc
; /* index to the next intransmitfid to be checked for
673 * allocation events */
675 /* bitfield for atomic bitops */
676 #define HOSTAP_BITS_TRANSMIT 0
677 #define HOSTAP_BITS_BAP_TASKLET 1
678 #define HOSTAP_BITS_BAP_TASKLET2 2
683 char essid
[MAX_SSID_LEN
+ 1];
684 char name
[MAX_NAME_LEN
+ 1];
686 u16 channel_mask
; /* mask of allowed channels */
687 u16 scan_channel_mask
; /* mask of channels to be scanned */
688 struct comm_tallies_sums comm_tallies
;
689 struct proc_dir_entry
*proc
;
690 int iw_mode
; /* operating mode (IW_MODE_*) */
691 int pseudo_adhoc
; /* 0: IW_MODE_ADHOC is real 802.11 compliant IBSS
692 * 1: IW_MODE_ADHOC is "pseudo IBSS" */
693 char bssid
[ETH_ALEN
];
698 int frame_dump
; /* dump RX/TX frame headers, PRISM2_DUMP_ flags */
699 int fw_tx_rate_control
;
704 int hw_reset_tries
; /* how many times reset has been tried */
708 int no_pri
; /* no PRI f/w present */
709 int sram_type
; /* 8 = x8 SRAM, 16 = x16 SRAM, -1 = unknown */
712 PRISM2_TXPOWER_AUTO
= 0, PRISM2_TXPOWER_OFF
,
713 PRISM2_TXPOWER_FIXED
, PRISM2_TXPOWER_UNKNOWN
715 int txpower
; /* if txpower_type == PRISM2_TXPOWER_FIXED */
717 /* command queue for hfa384x_cmd(); protected with cmdlock */
718 struct list_head cmd_queue
;
719 /* max_len for cmd_queue; in addition, cmd_callback can use two
720 * additional entries to prevent sleeping commands from stopping
722 #define HOSTAP_CMD_QUEUE_MAX_LEN 16
723 int cmd_queue_len
; /* number of entries in cmd_queue */
725 /* if card timeout is detected in interrupt context, reset_queue is
726 * used to schedule card reseting to be done in user context */
727 struct work_struct reset_queue
;
729 /* For scheduling a change of the promiscuous mode RID */
731 struct work_struct set_multicast_list_queue
;
733 struct work_struct set_tim_queue
;
734 struct list_head set_tim_list
;
735 spinlock_t set_tim_lock
;
737 int wds_max_connections
;
739 #define HOSTAP_WDS_BROADCAST_RA BIT(0)
740 #define HOSTAP_WDS_AP_CLIENT BIT(1)
741 #define HOSTAP_WDS_STANDARD_FRAME BIT(2)
743 u16 tx_control
; /* flags to be used in TX description */
744 int manual_retry_count
; /* -1 = use f/w default; otherwise retry count
745 * to be used with all frames */
747 struct iw_statistics wstats
;
748 unsigned long scan_timestamp
; /* Time started to scan */
750 PRISM2_MONITOR_80211
= 0, PRISM2_MONITOR_PRISM
= 1,
751 PRISM2_MONITOR_CAPHDR
= 2, PRISM2_MONITOR_RADIOTAP
= 3
753 int monitor_allow_fcserr
;
755 int hostapd
; /* whether user space daemon, hostapd, is used for AP
757 int hostapd_sta
; /* whether hostapd is used with an extra STA interface
759 struct net_device
*apdev
;
760 struct net_device_stats apdevstats
;
762 char assoc_ap_addr
[ETH_ALEN
];
763 struct net_device
*stadev
;
764 struct net_device_stats stadevstats
;
767 #define WEP_KEY_LEN 13
768 struct lib80211_crypt_info crypt_info
;
770 int open_wep
; /* allow unencrypted frames */
773 int privacy_invoked
; /* force privacy invoked flag even if no keys are
775 int fw_encrypt_ok
; /* whether firmware-based WEP encrypt is working
776 * in Host AP mode (STA f/w 1.4.9 or newer) */
777 int bcrx_sta_key
; /* use individual keys to override default keys even
778 * with RX of broad/multicast frames */
780 struct prism2_frag_entry frag_cache
[PRISM2_FRAG_CACHE_LEN
];
781 unsigned int frag_next_idx
;
783 int ieee_802_1x
; /* is IEEE 802.1X used */
785 int antsel_tx
, antsel_rx
;
786 int rts_threshold
; /* dot11RTSThreshold */
787 int fragm_threshold
; /* dot11FragmentationThreshold */
788 int auth_algs
; /* PRISM2_AUTH_ flags */
790 int enh_sec
; /* cnfEnhSecurity options (broadcast SSID hide/ignore) */
791 int tallies32
; /* 32-bit tallies in use */
793 struct prism2_helper_functions
*func
;
797 #define PRISM2_FW_VER(major, minor, variant) \
798 (((major) << 16) | ((minor) << 8) | variant)
801 /* Tasklets for handling hardware IRQ related operations outside hw IRQ
803 struct tasklet_struct bap_tasklet
;
805 struct tasklet_struct info_tasklet
;
806 struct sk_buff_head info_list
; /* info frames as skb's for
809 struct hostap_tx_callback_info
*tx_callback
; /* registered TX callbacks
812 struct tasklet_struct rx_tasklet
;
813 struct sk_buff_head rx_list
;
815 struct tasklet_struct sta_tx_exc_tasklet
;
816 struct sk_buff_head sta_tx_exc_list
;
819 unsigned long last_join_time
; /* time of last JoinRequest */
820 struct hfa384x_hostscan_result
*last_scan_results
;
821 int last_scan_results_count
;
822 enum { PRISM2_SCAN
, PRISM2_HOSTSCAN
} last_scan_type
;
823 struct work_struct info_queue
;
824 unsigned long pending_info
; /* bit field of pending info_queue items */
825 #define PRISM2_INFO_PENDING_LINKSTATUS 0
826 #define PRISM2_INFO_PENDING_SCANRESULTS 1
827 int prev_link_status
; /* previous received LinkStatus info */
828 int prev_linkstatus_connected
;
829 u8 preferred_ap
[ETH_ALEN
]; /* use this AP if possible */
831 #ifdef PRISM2_CALLBACK
832 void *callback_data
; /* Can be used in callbacks; e.g., allocate
833 * on enable event and free on disable event.
834 * Host AP driver code does not touch this. */
835 #endif /* PRISM2_CALLBACK */
837 wait_queue_head_t hostscan_wq
;
839 /* Passive scan in Host AP mode */
840 struct timer_list passive_scan_timer
;
841 int passive_scan_interval
; /* in seconds, 0 = disabled */
842 int passive_scan_channel
;
843 enum { PASSIVE_SCAN_WAIT
, PASSIVE_SCAN_LISTEN
} passive_scan_state
;
845 struct timer_list tick_timer
;
846 unsigned long last_tick_timer
;
847 unsigned int sw_tick_stuck
;
849 /* commsQuality / dBmCommsQuality data from periodic polling; only
850 * valid for Managed and Ad-hoc modes */
851 unsigned long last_comms_qual_update
;
852 int comms_qual
; /* in some odd unit.. */
853 int avg_signal
; /* in dB (note: negative) */
854 int avg_noise
; /* in dB (note: negative) */
855 struct work_struct comms_qual_update
;
857 /* RSSI to dBm adjustment (for RX descriptor fields) */
858 int rssi_to_dBm
; /* subtract from RSSI to get approximate dBm value */
860 /* BSS list / protected by local->lock */
861 struct list_head bss_list
;
863 int wpa
; /* WPA support enabled */
864 int tkip_countermeasures
;
865 int drop_unencrypted
;
866 /* Generic IEEE 802.11 info element to be added to
867 * ProbeResp/Beacon/(Re)AssocReq */
869 size_t generic_elem_len
;
871 #ifdef PRISM2_DOWNLOAD_SUPPORT
872 /* Persistent volatile download data */
873 struct prism2_download_data
*dl_pri
;
874 struct prism2_download_data
*dl_sec
;
875 #endif /* PRISM2_DOWNLOAD_SUPPORT */
877 #ifdef PRISM2_IO_DEBUG
878 #define PRISM2_IO_DEBUG_SIZE 10000
879 u32 io_debug
[PRISM2_IO_DEBUG_SIZE
];
881 int io_debug_enabled
;
882 #endif /* PRISM2_IO_DEBUG */
884 /* Pointer to hardware model specific (cs,pci,plx) private data. */
889 /* Per interface private Host AP data
890 * Allocated for each net device that Host AP uses (wlan#, wlan#ap, wlan#sta,
891 * WDS) and netdev_priv(dev) points to this structure. */
892 struct hostap_interface
{
893 struct list_head list
; /* list entry in Host AP interface list */
894 struct net_device
*dev
; /* pointer to this device */
895 struct local_info
*local
; /* pointer to shared private data */
896 struct net_device_stats stats
;
897 struct iw_spy_data spy_data
; /* iwspy support */
898 struct iw_public_data wireless_data
;
901 HOSTAP_INTERFACE_MASTER
,
902 HOSTAP_INTERFACE_MAIN
,
904 HOSTAP_INTERFACE_STA
,
905 HOSTAP_INTERFACE_WDS
,
909 struct hostap_interface_wds
{
910 u8 remote_addr
[ETH_ALEN
];
916 #define HOSTAP_SKB_TX_DATA_MAGIC 0xf08a36a2
919 * TX meta data - stored in skb->cb buffer, so this must not be increased over
921 * THE PADDING THIS STARTS WITH IS A HORRIBLE HACK THAT SHOULD NOT LIVE
924 struct hostap_skb_tx_data
{
925 unsigned int __padding_for_default_qdiscs
;
926 u32 magic
; /* HOSTAP_SKB_TX_DATA_MAGIC */
927 u8 rate
; /* transmit rate */
928 #define HOSTAP_TX_FLAGS_WDS BIT(0)
929 #define HOSTAP_TX_FLAGS_BUFFERED_FRAME BIT(1)
930 #define HOSTAP_TX_FLAGS_ADD_MOREDATA BIT(2)
931 u8 flags
; /* HOSTAP_TX_FLAGS_* */
933 struct hostap_interface
*iface
;
934 unsigned long jiffies
; /* queueing timestamp */
935 unsigned short ethertype
;
939 #ifndef PRISM2_NO_DEBUG
941 #define DEBUG_FID BIT(0)
942 #define DEBUG_PS BIT(1)
943 #define DEBUG_FLOW BIT(2)
944 #define DEBUG_AP BIT(3)
945 #define DEBUG_HW BIT(4)
946 #define DEBUG_EXTRA BIT(5)
947 #define DEBUG_EXTRA2 BIT(6)
948 #define DEBUG_PS2 BIT(7)
949 #define DEBUG_MASK (DEBUG_PS | DEBUG_AP | DEBUG_HW | DEBUG_EXTRA)
950 #define PDEBUG(n, args...) \
951 do { if ((n) & DEBUG_MASK) printk(KERN_DEBUG args); } while (0)
952 #define PDEBUG2(n, args...) \
953 do { if ((n) & DEBUG_MASK) printk(args); } while (0)
955 #else /* PRISM2_NO_DEBUG */
957 #define PDEBUG(n, args...)
958 #define PDEBUG2(n, args...)
960 #endif /* PRISM2_NO_DEBUG */
962 enum { BAP0
= 0, BAP1
= 1 };
964 #define PRISM2_IO_DEBUG_CMD_INB 0
965 #define PRISM2_IO_DEBUG_CMD_INW 1
966 #define PRISM2_IO_DEBUG_CMD_INSW 2
967 #define PRISM2_IO_DEBUG_CMD_OUTB 3
968 #define PRISM2_IO_DEBUG_CMD_OUTW 4
969 #define PRISM2_IO_DEBUG_CMD_OUTSW 5
970 #define PRISM2_IO_DEBUG_CMD_ERROR 6
971 #define PRISM2_IO_DEBUG_CMD_INTERRUPT 7
973 #ifdef PRISM2_IO_DEBUG
975 #define PRISM2_IO_DEBUG_ENTRY(cmd, reg, value) \
976 (((cmd) << 24) | ((reg) << 16) | value)
978 static inline void prism2_io_debug_add(struct net_device
*dev
, int cmd
,
981 struct hostap_interface
*iface
= netdev_priv(dev
);
982 local_info_t
*local
= iface
->local
;
984 if (!local
->io_debug_enabled
)
987 local
->io_debug
[local
->io_debug_head
] = jiffies
& 0xffffffff;
988 if (++local
->io_debug_head
>= PRISM2_IO_DEBUG_SIZE
)
989 local
->io_debug_head
= 0;
990 local
->io_debug
[local
->io_debug_head
] =
991 PRISM2_IO_DEBUG_ENTRY(cmd
, reg
, value
);
992 if (++local
->io_debug_head
>= PRISM2_IO_DEBUG_SIZE
)
993 local
->io_debug_head
= 0;
997 static inline void prism2_io_debug_error(struct net_device
*dev
, int err
)
999 struct hostap_interface
*iface
= netdev_priv(dev
);
1000 local_info_t
*local
= iface
->local
;
1001 unsigned long flags
;
1003 if (!local
->io_debug_enabled
)
1006 spin_lock_irqsave(&local
->lock
, flags
);
1007 prism2_io_debug_add(dev
, PRISM2_IO_DEBUG_CMD_ERROR
, 0, err
);
1008 if (local
->io_debug_enabled
== 1) {
1009 local
->io_debug_enabled
= 0;
1010 printk(KERN_DEBUG
"%s: I/O debug stopped\n", dev
->name
);
1012 spin_unlock_irqrestore(&local
->lock
, flags
);
1015 #else /* PRISM2_IO_DEBUG */
1017 static inline void prism2_io_debug_add(struct net_device
*dev
, int cmd
,
1022 static inline void prism2_io_debug_error(struct net_device
*dev
, int err
)
1026 #endif /* PRISM2_IO_DEBUG */
1029 #ifdef PRISM2_CALLBACK
1031 /* Called when card is enabled */
1032 PRISM2_CALLBACK_ENABLE
,
1034 /* Called when card is disabled */
1035 PRISM2_CALLBACK_DISABLE
,
1037 /* Called when RX/TX starts/ends */
1038 PRISM2_CALLBACK_RX_START
, PRISM2_CALLBACK_RX_END
,
1039 PRISM2_CALLBACK_TX_START
, PRISM2_CALLBACK_TX_END
1041 void prism2_callback(local_info_t
*local
, int event
);
1042 #else /* PRISM2_CALLBACK */
1043 #define prism2_callback(d, e) do { } while (0)
1044 #endif /* PRISM2_CALLBACK */
1046 #endif /* __KERNEL__ */
1048 #endif /* HOSTAP_WLAN_H */