1 #ifndef HOSTAP_WLAN_H
2 #define HOSTAP_WLAN_H
3
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 <net/iw_handler.h>
10 #include <net/ieee80211_radiotap.h>
11 #include <net/lib80211.h>
12
13 #include "hostap_config.h"
14 #include "hostap_common.h"
15
16 #define MAX_PARM_DEVICES 8
17 #define PARM_MIN_MAX "1-" __MODULE_STRING(MAX_PARM_DEVICES)
18 #define DEF_INTS -1, -1, -1, -1, -1, -1, -1
19 #define GET_INT_PARM(var,idx) var[var[idx] < 0 ? 0 : idx]
20
21
22 /* Specific skb->protocol value that indicates that the packet already contains
23 * txdesc header.
24 * FIX: This might need own value that would be allocated especially for Prism2
25 * txdesc; ETH_P_CONTROL is commented as "Card specific control frames".
26 * However, these skb's should have only minimal path in the kernel side since
27 * prism2_send_mgmt() sends these with dev_queue_xmit() to prism2_tx(). */
28 #define ETH_P_HOSTAP ETH_P_CONTROL
29
30 /* ARPHRD_IEEE80211_PRISM uses a bloated version of Prism2 RX frame header
31 * (from linux-wlan-ng) */
32 struct linux_wlan_ng_val {
33 u32 did;
34 u16 status, len;
35 u32 data;
36 } __packed;
37
38 struct linux_wlan_ng_prism_hdr {
39 u32 msgcode, msglen;
40 char devname[16];
41 struct linux_wlan_ng_val hosttime, mactime, channel, rssi, sq, signal,
42 noise, rate, istx, frmlen;
43 } __packed;
44
45 struct linux_wlan_ng_cap_hdr {
46 __be32 version;
47 __be32 length;
48 __be64 mactime;
49 __be64 hosttime;
50 __be32 phytype;
51 __be32 channel;
52 __be32 datarate;
53 __be32 antenna;
54 __be32 priority;
55 __be32 ssi_type;
56 __be32 ssi_signal;
57 __be32 ssi_noise;
58 __be32 preamble;
59 __be32 encoding;
60 } __packed;
61
62 struct hostap_radiotap_rx {
63 struct ieee80211_radiotap_header hdr;
64 __le64 tsft;
65 u8 rate;
66 u8 padding;
67 __le16 chan_freq;
68 __le16 chan_flags;
69 s8 dbm_antsignal;
70 s8 dbm_antnoise;
71 } __packed;
72
73 #define LWNG_CAP_DID_BASE (4 | (1 << 6)) /* section 4, group 1 */
74 #define LWNG_CAPHDR_VERSION 0x80211001
75
76 struct hfa384x_rx_frame {
77 /* HFA384X RX frame descriptor */
78 __le16 status; /* HFA384X_RX_STATUS_ flags */
79 __le32 time; /* timestamp, 1 microsecond resolution */
80 u8 silence; /* 27 .. 154; seems to be 0 */
81 u8 signal; /* 27 .. 154 */
82 u8 rate; /* 10, 20, 55, or 110 */
83 u8 rxflow;
84 __le32 reserved;
85
86 /* 802.11 */
87 __le16 frame_control;
88 __le16 duration_id;
89 u8 addr1[ETH_ALEN];
90 u8 addr2[ETH_ALEN];
91 u8 addr3[ETH_ALEN];
92 __le16 seq_ctrl;
93 u8 addr4[ETH_ALEN];
94 __le16 data_len;
95
96 /* 802.3 */
97 u8 dst_addr[ETH_ALEN];
98 u8 src_addr[ETH_ALEN];
99 __be16 len;
100
101 /* followed by frame data; max 2304 bytes */
102 } __packed;
103
104
105 struct hfa384x_tx_frame {
106 /* HFA384X TX frame descriptor */
107 __le16 status; /* HFA384X_TX_STATUS_ flags */
108 __le16 reserved1;
109 __le16 reserved2;
110 __le32 sw_support;
111 u8 retry_count; /* not yet implemented */
112 u8 tx_rate; /* Host AP only; 0 = firmware, or 10, 20, 55, 110 */
113 __le16 tx_control; /* HFA384X_TX_CTRL_ flags */
114
115 /* 802.11 */
116 __le16 frame_control; /* parts not used */
117 __le16 duration_id;
118 u8 addr1[ETH_ALEN];
119 u8 addr2[ETH_ALEN]; /* filled by firmware */
120 u8 addr3[ETH_ALEN];
121 __le16 seq_ctrl; /* filled by firmware */
122 u8 addr4[ETH_ALEN];
123 __le16 data_len;
124
125 /* 802.3 */
126 u8 dst_addr[ETH_ALEN];
127 u8 src_addr[ETH_ALEN];
128 __be16 len;
129
130 /* followed by frame data; max 2304 bytes */
131 } __packed;
132
133
134 struct hfa384x_rid_hdr
135 {
136 __le16 len;
137 __le16 rid;
138 } __packed;
139
140
141 /* Macro for converting signal levels (range 27 .. 154) to wireless ext
142 * dBm value with some accuracy */
143 #define HFA384X_LEVEL_TO_dBm(v) 0x100 + (v) * 100 / 255 - 100
144
145 #define HFA384X_LEVEL_TO_dBm_sign(v) (v) * 100 / 255 - 100
146
147 struct hfa384x_scan_request {
148 __le16 channel_list;
149 __le16 txrate; /* HFA384X_RATES_* */
150 } __packed;
151
152 struct hfa384x_hostscan_request {
153 __le16 channel_list;
154 __le16 txrate;
155 __le16 target_ssid_len;
156 u8 target_ssid[32];
157 } __packed;
158
159 struct hfa384x_join_request {
160 u8 bssid[ETH_ALEN];
161 __le16 channel;
162 } __packed;
163
164 struct hfa384x_info_frame {
165 __le16 len;
166 __le16 type;
167 } __packed;
168
169 struct hfa384x_comm_tallies {
170 __le16 tx_unicast_frames;
171 __le16 tx_multicast_frames;
172 __le16 tx_fragments;
173 __le16 tx_unicast_octets;
174 __le16 tx_multicast_octets;
175 __le16 tx_deferred_transmissions;
176 __le16 tx_single_retry_frames;
177 __le16 tx_multiple_retry_frames;
178 __le16 tx_retry_limit_exceeded;
179 __le16 tx_discards;
180 __le16 rx_unicast_frames;
181 __le16 rx_multicast_frames;
182 __le16 rx_fragments;
183 __le16 rx_unicast_octets;
184 __le16 rx_multicast_octets;
185 __le16 rx_fcs_errors;
186 __le16 rx_discards_no_buffer;
187 __le16 tx_discards_wrong_sa;
188 __le16 rx_discards_wep_undecryptable;
189 __le16 rx_message_in_msg_fragments;
190 __le16 rx_message_in_bad_msg_fragments;
191 } __packed;
192
193 struct hfa384x_comm_tallies32 {
194 __le32 tx_unicast_frames;
195 __le32 tx_multicast_frames;
196 __le32 tx_fragments;
197 __le32 tx_unicast_octets;
198 __le32 tx_multicast_octets;
199 __le32 tx_deferred_transmissions;
200 __le32 tx_single_retry_frames;
201 __le32 tx_multiple_retry_frames;
202 __le32 tx_retry_limit_exceeded;
203 __le32 tx_discards;
204 __le32 rx_unicast_frames;
205 __le32 rx_multicast_frames;
206 __le32 rx_fragments;
207 __le32 rx_unicast_octets;
208 __le32 rx_multicast_octets;
209 __le32 rx_fcs_errors;
210 __le32 rx_discards_no_buffer;
211 __le32 tx_discards_wrong_sa;
212 __le32 rx_discards_wep_undecryptable;
213 __le32 rx_message_in_msg_fragments;
214 __le32 rx_message_in_bad_msg_fragments;
215 } __packed;
216
217 struct hfa384x_scan_result_hdr {
218 __le16 reserved;
219 __le16 scan_reason;
220 #define HFA384X_SCAN_IN_PROGRESS 0 /* no results available yet */
221 #define HFA384X_SCAN_HOST_INITIATED 1
222 #define HFA384X_SCAN_FIRMWARE_INITIATED 2
223 #define HFA384X_SCAN_INQUIRY_FROM_HOST 3
224 } __packed;
225
226 #define HFA384X_SCAN_MAX_RESULTS 32
227
228 struct hfa384x_scan_result {
229 __le16 chid;
230 __le16 anl;
231 __le16 sl;
232 u8 bssid[ETH_ALEN];
233 __le16 beacon_interval;
234 __le16 capability;
235 __le16 ssid_len;
236 u8 ssid[32];
237 u8 sup_rates[10];
238 __le16 rate;
239 } __packed;
240
241 struct hfa384x_hostscan_result {
242 __le16 chid;
243 __le16 anl;
244 __le16 sl;
245 u8 bssid[ETH_ALEN];
246 __le16 beacon_interval;
247 __le16 capability;
248 __le16 ssid_len;
249 u8 ssid[32];
250 u8 sup_rates[10];
251 __le16 rate;
252 __le16 atim;
253 } __packed;
254
255 struct comm_tallies_sums {
256 unsigned int tx_unicast_frames;
257 unsigned int tx_multicast_frames;
258 unsigned int tx_fragments;
259 unsigned int tx_unicast_octets;
260 unsigned int tx_multicast_octets;
261 unsigned int tx_deferred_transmissions;
262 unsigned int tx_single_retry_frames;
263 unsigned int tx_multiple_retry_frames;
264 unsigned int tx_retry_limit_exceeded;
265 unsigned int tx_discards;
266 unsigned int rx_unicast_frames;
267 unsigned int rx_multicast_frames;
268 unsigned int rx_fragments;
269 unsigned int rx_unicast_octets;
270 unsigned int rx_multicast_octets;
271 unsigned int rx_fcs_errors;
272 unsigned int rx_discards_no_buffer;
273 unsigned int tx_discards_wrong_sa;
274 unsigned int rx_discards_wep_undecryptable;
275 unsigned int rx_message_in_msg_fragments;
276 unsigned int rx_message_in_bad_msg_fragments;
277 };
278
279
280 struct hfa384x_regs {
281 u16 cmd;
282 u16 evstat;
283 u16 offset0;
284 u16 offset1;
285 u16 swsupport0;
286 };
287
288
289 #if defined(PRISM2_PCCARD) || defined(PRISM2_PLX)
290 /* I/O ports for HFA384X Controller access */
291 #define HFA384X_CMD_OFF 0x00
292 #define HFA384X_PARAM0_OFF 0x02
293 #define HFA384X_PARAM1_OFF 0x04
294 #define HFA384X_PARAM2_OFF 0x06
295 #define HFA384X_STATUS_OFF 0x08
296 #define HFA384X_RESP0_OFF 0x0A
297 #define HFA384X_RESP1_OFF 0x0C
298 #define HFA384X_RESP2_OFF 0x0E
299 #define HFA384X_INFOFID_OFF 0x10
300 #define HFA384X_CONTROL_OFF 0x14
301 #define HFA384X_SELECT0_OFF 0x18
302 #define HFA384X_SELECT1_OFF 0x1A
303 #define HFA384X_OFFSET0_OFF 0x1C
304 #define HFA384X_OFFSET1_OFF 0x1E
305 #define HFA384X_RXFID_OFF 0x20
306 #define HFA384X_ALLOCFID_OFF 0x22
307 #define HFA384X_TXCOMPLFID_OFF 0x24
308 #define HFA384X_SWSUPPORT0_OFF 0x28
309 #define HFA384X_SWSUPPORT1_OFF 0x2A
310 #define HFA384X_SWSUPPORT2_OFF 0x2C
311 #define HFA384X_EVSTAT_OFF 0x30
312 #define HFA384X_INTEN_OFF 0x32
313 #define HFA384X_EVACK_OFF 0x34
314 #define HFA384X_DATA0_OFF 0x36
315 #define HFA384X_DATA1_OFF 0x38
316 #define HFA384X_AUXPAGE_OFF 0x3A
317 #define HFA384X_AUXOFFSET_OFF 0x3C
318 #define HFA384X_AUXDATA_OFF 0x3E
319 #endif /* PRISM2_PCCARD || PRISM2_PLX */
320
321 #ifdef PRISM2_PCI
322 /* Memory addresses for ISL3874 controller access */
323 #define HFA384X_CMD_OFF 0x00
324 #define HFA384X_PARAM0_OFF 0x04
325 #define HFA384X_PARAM1_OFF 0x08
326 #define HFA384X_PARAM2_OFF 0x0C
327 #define HFA384X_STATUS_OFF 0x10
328 #define HFA384X_RESP0_OFF 0x14
329 #define HFA384X_RESP1_OFF 0x18
330 #define HFA384X_RESP2_OFF 0x1C
331 #define HFA384X_INFOFID_OFF 0x20
332 #define HFA384X_CONTROL_OFF 0x28
333 #define HFA384X_SELECT0_OFF 0x30
334 #define HFA384X_SELECT1_OFF 0x34
335 #define HFA384X_OFFSET0_OFF 0x38
336 #define HFA384X_OFFSET1_OFF 0x3C
337 #define HFA384X_RXFID_OFF 0x40
338 #define HFA384X_ALLOCFID_OFF 0x44
339 #define HFA384X_TXCOMPLFID_OFF 0x48
340 #define HFA384X_PCICOR_OFF 0x4C
341 #define HFA384X_SWSUPPORT0_OFF 0x50
342 #define HFA384X_SWSUPPORT1_OFF 0x54
343 #define HFA384X_SWSUPPORT2_OFF 0x58
344 #define HFA384X_PCIHCR_OFF 0x5C
345 #define HFA384X_EVSTAT_OFF 0x60
346 #define HFA384X_INTEN_OFF 0x64
347 #define HFA384X_EVACK_OFF 0x68
348 #define HFA384X_DATA0_OFF 0x6C
349 #define HFA384X_DATA1_OFF 0x70
350 #define HFA384X_AUXPAGE_OFF 0x74
351 #define HFA384X_AUXOFFSET_OFF 0x78
352 #define HFA384X_AUXDATA_OFF 0x7C
353 #define HFA384X_PCI_M0_ADDRH_OFF 0x80
354 #define HFA384X_PCI_M0_ADDRL_OFF 0x84
355 #define HFA384X_PCI_M0_LEN_OFF 0x88
356 #define HFA384X_PCI_M0_CTL_OFF 0x8C
357 #define HFA384X_PCI_STATUS_OFF 0x98
358 #define HFA384X_PCI_M1_ADDRH_OFF 0xA0
359 #define HFA384X_PCI_M1_ADDRL_OFF 0xA4
360 #define HFA384X_PCI_M1_LEN_OFF 0xA8
361 #define HFA384X_PCI_M1_CTL_OFF 0xAC
362
363 /* PCI bus master control bits (these are undocumented; based on guessing and
364 * experimenting..) */
365 #define HFA384X_PCI_CTL_FROM_BAP (BIT(5) | BIT(1) | BIT(0))
366 #define HFA384X_PCI_CTL_TO_BAP (BIT(5) | BIT(0))
367
368 #endif /* PRISM2_PCI */
369
370
371 /* Command codes for CMD reg. */
372 #define HFA384X_CMDCODE_INIT 0x00
373 #define HFA384X_CMDCODE_ENABLE 0x01
374 #define HFA384X_CMDCODE_DISABLE 0x02
375 #define HFA384X_CMDCODE_ALLOC 0x0A
376 #define HFA384X_CMDCODE_TRANSMIT 0x0B
377 #define HFA384X_CMDCODE_INQUIRE 0x11
378 #define HFA384X_CMDCODE_ACCESS 0x21
379 #define HFA384X_CMDCODE_ACCESS_WRITE (0x21 | BIT(8))
380 #define HFA384X_CMDCODE_DOWNLOAD 0x22
381 #define HFA384X_CMDCODE_READMIF 0x30
382 #define HFA384X_CMDCODE_WRITEMIF 0x31
383 #define HFA384X_CMDCODE_TEST 0x38
384
385 #define HFA384X_CMDCODE_MASK 0x3F
386
387 /* Test mode operations */
388 #define HFA384X_TEST_CHANGE_CHANNEL 0x08
389 #define HFA384X_TEST_MONITOR 0x0B
390 #define HFA384X_TEST_STOP 0x0F
391 #define HFA384X_TEST_CFG_BITS 0x15
392 #define HFA384X_TEST_CFG_BIT_ALC BIT(3)
393
394 #define HFA384X_CMD_BUSY BIT(15)
395
396 #define HFA384X_CMD_TX_RECLAIM BIT(8)
397
398 #define HFA384X_OFFSET_ERR BIT(14)
399 #define HFA384X_OFFSET_BUSY BIT(15)
400
401
402 /* ProgMode for download command */
403 #define HFA384X_PROGMODE_DISABLE 0
404 #define HFA384X_PROGMODE_ENABLE_VOLATILE 1
405 #define HFA384X_PROGMODE_ENABLE_NON_VOLATILE 2
406 #define HFA384X_PROGMODE_PROGRAM_NON_VOLATILE 3
407
408 #define HFA384X_AUX_MAGIC0 0xfe01
409 #define HFA384X_AUX_MAGIC1 0xdc23
410 #define HFA384X_AUX_MAGIC2 0xba45
411
412 #define HFA384X_AUX_PORT_DISABLED 0
413 #define HFA384X_AUX_PORT_DISABLE BIT(14)
414 #define HFA384X_AUX_PORT_ENABLE BIT(15)
415 #define HFA384X_AUX_PORT_ENABLED (BIT(14) | BIT(15))
416 #define HFA384X_AUX_PORT_MASK (BIT(14) | BIT(15))
417
418 #define PRISM2_PDA_SIZE 1024
419
420
421 /* Events; EvStat, Interrupt mask (IntEn), and acknowledge bits (EvAck) */
422 #define HFA384X_EV_TICK BIT(15)
423 #define HFA384X_EV_WTERR BIT(14)
424 #define HFA384X_EV_INFDROP BIT(13)
425 #ifdef PRISM2_PCI
426 #define HFA384X_EV_PCI_M1 BIT(9)
427 #define HFA384X_EV_PCI_M0 BIT(8)
428 #endif /* PRISM2_PCI */
429 #define HFA384X_EV_INFO BIT(7)
430 #define HFA384X_EV_DTIM BIT(5)
431 #define HFA384X_EV_CMD BIT(4)
432 #define HFA384X_EV_ALLOC BIT(3)
433 #define HFA384X_EV_TXEXC BIT(2)
434 #define HFA384X_EV_TX BIT(1)
435 #define HFA384X_EV_RX BIT(0)
436
437
438 /* HFA384X Information frames */
439 #define HFA384X_INFO_HANDOVERADDR 0xF000 /* AP f/w ? */
440 #define HFA384X_INFO_HANDOVERDEAUTHADDR 0xF001 /* AP f/w 1.3.7 */
441 #define HFA384X_INFO_COMMTALLIES 0xF100
442 #define HFA384X_INFO_SCANRESULTS 0xF101
443 #define HFA384X_INFO_CHANNELINFORESULTS 0xF102 /* AP f/w only */
444 #define HFA384X_INFO_HOSTSCANRESULTS 0xF103
445 #define HFA384X_INFO_LINKSTATUS 0xF200
446 #define HFA384X_INFO_ASSOCSTATUS 0xF201 /* ? */
447 #define HFA384X_INFO_AUTHREQ 0xF202 /* ? */
448 #define HFA384X_INFO_PSUSERCNT 0xF203 /* ? */
449 #define HFA384X_INFO_KEYIDCHANGED 0xF204 /* ? */
450
451 enum { HFA384X_LINKSTATUS_CONNECTED = 1,
452 HFA384X_LINKSTATUS_DISCONNECTED = 2,
453 HFA384X_LINKSTATUS_AP_CHANGE = 3,
454 HFA384X_LINKSTATUS_AP_OUT_OF_RANGE = 4,
455 HFA384X_LINKSTATUS_AP_IN_RANGE = 5,
456 HFA384X_LINKSTATUS_ASSOC_FAILED = 6 };
457
458 enum { HFA384X_PORTTYPE_BSS = 1, HFA384X_PORTTYPE_WDS = 2,
459 HFA384X_PORTTYPE_PSEUDO_IBSS = 3, HFA384X_PORTTYPE_IBSS = 0,
460 HFA384X_PORTTYPE_HOSTAP = 6 };
461
462 #define HFA384X_RATES_1MBPS BIT(0)
463 #define HFA384X_RATES_2MBPS BIT(1)
464 #define HFA384X_RATES_5MBPS BIT(2)
465 #define HFA384X_RATES_11MBPS BIT(3)
466
467 #define HFA384X_ROAMING_FIRMWARE 1
468 #define HFA384X_ROAMING_HOST 2
469 #define HFA384X_ROAMING_DISABLED 3
470
471 #define HFA384X_WEPFLAGS_PRIVACYINVOKED BIT(0)
472 #define HFA384X_WEPFLAGS_EXCLUDEUNENCRYPTED BIT(1)
473 #define HFA384X_WEPFLAGS_HOSTENCRYPT BIT(4)
474 #define HFA384X_WEPFLAGS_HOSTDECRYPT BIT(7)
475
476 #define HFA384X_RX_STATUS_MSGTYPE (BIT(15) | BIT(14) | BIT(13))
477 #define HFA384X_RX_STATUS_PCF BIT(12)
478 #define HFA384X_RX_STATUS_MACPORT (BIT(10) | BIT(9) | BIT(8))
479 #define HFA384X_RX_STATUS_UNDECR BIT(1)
480 #define HFA384X_RX_STATUS_FCSERR BIT(0)
481
482 #define HFA384X_RX_STATUS_GET_MSGTYPE(s) \
483 (((s) & HFA384X_RX_STATUS_MSGTYPE) >> 13)
484 #define HFA384X_RX_STATUS_GET_MACPORT(s) \
485 (((s) & HFA384X_RX_STATUS_MACPORT) >> 8)
486
487 enum { HFA384X_RX_MSGTYPE_NORMAL = 0, HFA384X_RX_MSGTYPE_RFC1042 = 1,
488 HFA384X_RX_MSGTYPE_BRIDGETUNNEL = 2, HFA384X_RX_MSGTYPE_MGMT = 4 };
489
490
491 #define HFA384X_TX_CTRL_ALT_RTRY BIT(5)
492 #define HFA384X_TX_CTRL_802_11 BIT(3)
493 #define HFA384X_TX_CTRL_802_3 0
494 #define HFA384X_TX_CTRL_TX_EX BIT(2)
495 #define HFA384X_TX_CTRL_TX_OK BIT(1)
496
497 #define HFA384X_TX_STATUS_RETRYERR BIT(0)
498 #define HFA384X_TX_STATUS_AGEDERR BIT(1)
499 #define HFA384X_TX_STATUS_DISCON BIT(2)
500 #define HFA384X_TX_STATUS_FORMERR BIT(3)
501
502 /* HFA3861/3863 (BBP) Control Registers */
503 #define HFA386X_CR_TX_CONFIGURE 0x12 /* CR9 */
504 #define HFA386X_CR_RX_CONFIGURE 0x14 /* CR10 */
505 #define HFA386X_CR_A_D_TEST_MODES2 0x1A /* CR13 */
506 #define HFA386X_CR_MANUAL_TX_POWER 0x3E /* CR31 */
507 #define HFA386X_CR_MEASURED_TX_POWER 0x74 /* CR58 */
508
509
510 #ifdef __KERNEL__
511
512 #define PRISM2_TXFID_COUNT 8
513 #define PRISM2_DATA_MAXLEN 2304
514 #define PRISM2_TXFID_LEN (PRISM2_DATA_MAXLEN + sizeof(struct hfa384x_tx_frame))
515 #define PRISM2_TXFID_EMPTY 0xffff
516 #define PRISM2_TXFID_RESERVED 0xfffe
517 #define PRISM2_DUMMY_FID 0xffff
518 #define MAX_SSID_LEN 32
519 #define MAX_NAME_LEN 32 /* this is assumed to be equal to MAX_SSID_LEN */
520
521 #define PRISM2_DUMP_RX_HDR BIT(0)
522 #define PRISM2_DUMP_TX_HDR BIT(1)
523 #define PRISM2_DUMP_TXEXC_HDR BIT(2)
524
525 struct hostap_tx_callback_info {
526 u16 idx;
527 void (*func)(struct sk_buff *, int ok, void *);
528 void *data;
529 struct hostap_tx_callback_info *next;
530 };
531
532
533 /* IEEE 802.11 requires that STA supports concurrent reception of at least
534 * three fragmented frames. This define can be increased to support more
535 * concurrent frames, but it should be noted that each entry can consume about
536 * 2 kB of RAM and increasing cache size will slow down frame reassembly. */
537 #define PRISM2_FRAG_CACHE_LEN 4
538
539 struct prism2_frag_entry {
540 unsigned long first_frag_time;
541 unsigned int seq;
542 unsigned int last_frag;
543 struct sk_buff *skb;
544 u8 src_addr[ETH_ALEN];
545 u8 dst_addr[ETH_ALEN];
546 };
547
548
549 struct hostap_cmd_queue {
550 struct list_head list;
551 wait_queue_head_t compl;
552 volatile enum { CMD_SLEEP, CMD_CALLBACK, CMD_COMPLETED } type;
553 void (*callback)(struct net_device *dev, long context, u16 resp0,
554 u16 res);
555 long context;
556 u16 cmd, param0, param1;
557 u16 resp0, res;
558 volatile int issued, issuing;
559
560 atomic_t usecnt;
561 int del_req;
562 };
563
564 /* options for hw_shutdown */
565 #define HOSTAP_HW_NO_DISABLE BIT(0)
566 #define HOSTAP_HW_ENABLE_CMDCOMPL BIT(1)
567
568 typedef struct local_info local_info_t;
569
570 struct prism2_helper_functions {
571 /* these functions are defined in hardware model specific files
572 * (hostap_{cs,plx,pci}.c */
573 int (*card_present)(local_info_t *local);
574 void (*cor_sreset)(local_info_t *local);
575 void (*genesis_reset)(local_info_t *local, int hcr);
576
577 /* the following functions are from hostap_hw.c, but they may have some
578 * hardware model specific code */
579
580 /* FIX: low-level commands like cmd might disappear at some point to
581 * make it easier to change them if needed (e.g., cmd would be replaced
582 * with write_mif/read_mif/testcmd/inquire); at least get_rid and
583 * set_rid might move to hostap_{cs,plx,pci}.c */
584 int (*cmd)(struct net_device *dev, u16 cmd, u16 param0, u16 *param1,
585 u16 *resp0);
586 void (*read_regs)(struct net_device *dev, struct hfa384x_regs *regs);
587 int (*get_rid)(struct net_device *dev, u16 rid, void *buf, int len,
588 int exact_len);
589 int (*set_rid)(struct net_device *dev, u16 rid, void *buf, int len);
590 int (*hw_enable)(struct net_device *dev, int initial);
591 int (*hw_config)(struct net_device *dev, int initial);
592 void (*hw_reset)(struct net_device *dev);
593 void (*hw_shutdown)(struct net_device *dev, int no_disable);
594 int (*reset_port)(struct net_device *dev);
595 void (*schedule_reset)(local_info_t *local);
596 int (*download)(local_info_t *local,
597 struct prism2_download_param *param);
598 int (*tx)(struct sk_buff *skb, struct net_device *dev);
599 int (*set_tim)(struct net_device *dev, int aid, int set);
600 const struct file_operations *read_aux_fops;
601
602 int need_tx_headroom; /* number of bytes of headroom needed before
603 * IEEE 802.11 header */
604 enum { HOSTAP_HW_PCCARD, HOSTAP_HW_PLX, HOSTAP_HW_PCI } hw_type;
605 };
606
607
608 struct prism2_download_data {
609 u32 dl_cmd;
610 u32 start_addr;
611 u32 num_areas;
612 struct prism2_download_data_area {
613 u32 addr; /* wlan card address */
614 u32 len;
615 u8 *data; /* allocated data */
616 } data[0];
617 };
618
619
620 #define HOSTAP_MAX_BSS_COUNT 64
621 #define MAX_WPA_IE_LEN 64
622
623 struct hostap_bss_info {
624 struct list_head list;
625 unsigned long last_update;
626 unsigned int count;
627 u8 bssid[ETH_ALEN];
628 u16 capab_info;
629 u8 ssid[32];
630 size_t ssid_len;
631 u8 wpa_ie[MAX_WPA_IE_LEN];
632 size_t wpa_ie_len;
633 u8 rsn_ie[MAX_WPA_IE_LEN];
634 size_t rsn_ie_len;
635 int chan;
636 int included;
637 };
638
639
640 /* Per radio private Host AP data - shared by all net devices interfaces used
641 * by each radio (wlan#, wlan#ap, wlan#sta, WDS).
642 * ((struct hostap_interface *) netdev_priv(dev))->local points to this
643 * structure. */
644 struct local_info {
645 struct module *hw_module;
646 int card_idx;
647 int dev_enabled;
648 int master_dev_auto_open; /* was master device opened automatically */
649 int num_dev_open; /* number of open devices */
650 struct net_device *dev; /* master radio device */
651 struct net_device *ddev; /* main data device */
652 struct list_head hostap_interfaces; /* Host AP interface list (contains
653 * struct hostap_interface entries)
654 */
655 rwlock_t iface_lock; /* hostap_interfaces read lock; use write lock
656 * when removing entries from the list.
657 * TX and RX paths can use read lock. */
658 spinlock_t cmdlock, baplock, lock, irq_init_lock;
659 struct mutex rid_bap_mtx;
660 u16 infofid; /* MAC buffer id for info frame */
661 /* txfid, intransmitfid, next_txtid, and next_alloc are protected by
662 * txfidlock */
663 spinlock_t txfidlock;
664 int txfid_len; /* length of allocated TX buffers */
665 u16 txfid[PRISM2_TXFID_COUNT]; /* buffer IDs for TX frames */
666 /* buffer IDs for intransmit frames or PRISM2_TXFID_EMPTY if
667 * corresponding txfid is free for next TX frame */
668 u16 intransmitfid[PRISM2_TXFID_COUNT];
669 int next_txfid; /* index to the next txfid to be checked for
670 * availability */
671 int next_alloc; /* index to the next intransmitfid to be checked for
672 * allocation events */
673
674 /* bitfield for atomic bitops */
675 #define HOSTAP_BITS_TRANSMIT 0
676 #define HOSTAP_BITS_BAP_TASKLET 1
677 #define HOSTAP_BITS_BAP_TASKLET2 2
678 unsigned long bits;
679
680 struct ap_data *ap;
681
682 char essid[MAX_SSID_LEN + 1];
683 char name[MAX_NAME_LEN + 1];
684 int name_set;
685 u16 channel_mask; /* mask of allowed channels */
686 u16 scan_channel_mask; /* mask of channels to be scanned */
687 struct comm_tallies_sums comm_tallies;
688 struct proc_dir_entry *proc;
689 int iw_mode; /* operating mode (IW_MODE_*) */
690 int pseudo_adhoc; /* 0: IW_MODE_ADHOC is real 802.11 compliant IBSS
691 * 1: IW_MODE_ADHOC is "pseudo IBSS" */
692 char bssid[ETH_ALEN];
693 int channel;
694 int beacon_int;
695 int dtim_period;
696 int mtu;
697 int frame_dump; /* dump RX/TX frame headers, PRISM2_DUMP_ flags */
698 int fw_tx_rate_control;
699 u16 tx_rate_control;
700 u16 basic_rates;
701 int hw_resetting;
702 int hw_ready;
703 int hw_reset_tries; /* how many times reset has been tried */
704 int hw_downloading;
705 int shutdown;
706 int pri_only;
707 int no_pri; /* no PRI f/w present */
708 int sram_type; /* 8 = x8 SRAM, 16 = x16 SRAM, -1 = unknown */
709
710 enum {
711 PRISM2_TXPOWER_AUTO = 0, PRISM2_TXPOWER_OFF,
712 PRISM2_TXPOWER_FIXED, PRISM2_TXPOWER_UNKNOWN
713 } txpower_type;
714 int txpower; /* if txpower_type == PRISM2_TXPOWER_FIXED */
715
716 /* command queue for hfa384x_cmd(); protected with cmdlock */
717 struct list_head cmd_queue;
718 /* max_len for cmd_queue; in addition, cmd_callback can use two
719 * additional entries to prevent sleeping commands from stopping
720 * transmits */
721 #define HOSTAP_CMD_QUEUE_MAX_LEN 16
722 int cmd_queue_len; /* number of entries in cmd_queue */
723
724 /* if card timeout is detected in interrupt context, reset_queue is
725 * used to schedule card reseting to be done in user context */
726 struct work_struct reset_queue;
727
728 /* For scheduling a change of the promiscuous mode RID */
729 int is_promisc;
730 struct work_struct set_multicast_list_queue;
731
732 struct work_struct set_tim_queue;
733 struct list_head set_tim_list;
734 spinlock_t set_tim_lock;
735
736 int wds_max_connections;
737 int wds_connections;
738 #define HOSTAP_WDS_BROADCAST_RA BIT(0)
739 #define HOSTAP_WDS_AP_CLIENT BIT(1)
740 #define HOSTAP_WDS_STANDARD_FRAME BIT(2)
741 u32 wds_type;
742 u16 tx_control; /* flags to be used in TX description */
743 int manual_retry_count; /* -1 = use f/w default; otherwise retry count
744 * to be used with all frames */
745
746 struct iw_statistics wstats;
747 unsigned long scan_timestamp; /* Time started to scan */
748 enum {
749 PRISM2_MONITOR_80211 = 0, PRISM2_MONITOR_PRISM = 1,
750 PRISM2_MONITOR_CAPHDR = 2, PRISM2_MONITOR_RADIOTAP = 3
751 } monitor_type;
752 int monitor_allow_fcserr;
753
754 int hostapd; /* whether user space daemon, hostapd, is used for AP
755 * management */
756 int hostapd_sta; /* whether hostapd is used with an extra STA interface
757 */
758 struct net_device *apdev;
759 struct net_device_stats apdevstats;
760
761 char assoc_ap_addr[ETH_ALEN];
762 struct net_device *stadev;
763 struct net_device_stats stadevstats;
764
765 #define WEP_KEYS 4
766 #define WEP_KEY_LEN 13
767 struct lib80211_crypt_info crypt_info;
768
769 int open_wep; /* allow unencrypted frames */
770 int host_encrypt;
771 int host_decrypt;
772 int privacy_invoked; /* force privacy invoked flag even if no keys are
773 * configured */
774 int fw_encrypt_ok; /* whether firmware-based WEP encrypt is working
775 * in Host AP mode (STA f/w 1.4.9 or newer) */
776 int bcrx_sta_key; /* use individual keys to override default keys even
777 * with RX of broad/multicast frames */
778
779 struct prism2_frag_entry frag_cache[PRISM2_FRAG_CACHE_LEN];
780 unsigned int frag_next_idx;
781
782 int ieee_802_1x; /* is IEEE 802.1X used */
783
784 int antsel_tx, antsel_rx;
785 int rts_threshold; /* dot11RTSThreshold */
786 int fragm_threshold; /* dot11FragmentationThreshold */
787 int auth_algs; /* PRISM2_AUTH_ flags */
788
789 int enh_sec; /* cnfEnhSecurity options (broadcast SSID hide/ignore) */
790 int tallies32; /* 32-bit tallies in use */
791
792 struct prism2_helper_functions *func;
793
794 u8 *pda;
795 int fw_ap;
796 #define PRISM2_FW_VER(major, minor, variant) \
797 (((major) << 16) | ((minor) << 8) | variant)
798 u32 sta_fw_ver;
799
800 /* Tasklets for handling hardware IRQ related operations outside hw IRQ
801 * handler */
802 struct tasklet_struct bap_tasklet;
803
804 struct tasklet_struct info_tasklet;
805 struct sk_buff_head info_list; /* info frames as skb's for
806 * info_tasklet */
807
808 struct hostap_tx_callback_info *tx_callback; /* registered TX callbacks
809 */
810
811 struct tasklet_struct rx_tasklet;
812 struct sk_buff_head rx_list;
813
814 struct tasklet_struct sta_tx_exc_tasklet;
815 struct sk_buff_head sta_tx_exc_list;
816
817 int host_roaming;
818 unsigned long last_join_time; /* time of last JoinRequest */
819 struct hfa384x_hostscan_result *last_scan_results;
820 int last_scan_results_count;
821 enum { PRISM2_SCAN, PRISM2_HOSTSCAN } last_scan_type;
822 struct work_struct info_queue;
823 unsigned long pending_info; /* bit field of pending info_queue items */
824 #define PRISM2_INFO_PENDING_LINKSTATUS 0
825 #define PRISM2_INFO_PENDING_SCANRESULTS 1
826 int prev_link_status; /* previous received LinkStatus info */
827 int prev_linkstatus_connected;
828 u8 preferred_ap[ETH_ALEN]; /* use this AP if possible */
829
830 #ifdef PRISM2_CALLBACK
831 void *callback_data; /* Can be used in callbacks; e.g., allocate
832 * on enable event and free on disable event.
833 * Host AP driver code does not touch this. */
834 #endif /* PRISM2_CALLBACK */
835
836 wait_queue_head_t hostscan_wq;
837
838 /* Passive scan in Host AP mode */
839 struct timer_list passive_scan_timer;
840 int passive_scan_interval; /* in seconds, 0 = disabled */
841 int passive_scan_channel;
842 enum { PASSIVE_SCAN_WAIT, PASSIVE_SCAN_LISTEN } passive_scan_state;
843
844 struct timer_list tick_timer;
845 unsigned long last_tick_timer;
846 unsigned int sw_tick_stuck;
847
848 /* commsQuality / dBmCommsQuality data from periodic polling; only
849 * valid for Managed and Ad-hoc modes */
850 unsigned long last_comms_qual_update;
851 int comms_qual; /* in some odd unit.. */
852 int avg_signal; /* in dB (note: negative) */
853 int avg_noise; /* in dB (note: negative) */
854 struct work_struct comms_qual_update;
855
856 /* RSSI to dBm adjustment (for RX descriptor fields) */
857 int rssi_to_dBm; /* subtract from RSSI to get approximate dBm value */
858
859 /* BSS list / protected by local->lock */
860 struct list_head bss_list;
861 int num_bss_info;
862 int wpa; /* WPA support enabled */
863 int tkip_countermeasures;
864 int drop_unencrypted;
865 /* Generic IEEE 802.11 info element to be added to
866 * ProbeResp/Beacon/(Re)AssocReq */
867 u8 *generic_elem;
868 size_t generic_elem_len;
869
870 #ifdef PRISM2_DOWNLOAD_SUPPORT
871 /* Persistent volatile download data */
872 struct prism2_download_data *dl_pri;
873 struct prism2_download_data *dl_sec;
874 #endif /* PRISM2_DOWNLOAD_SUPPORT */
875
876 #ifdef PRISM2_IO_DEBUG
877 #define PRISM2_IO_DEBUG_SIZE 10000
878 u32 io_debug[PRISM2_IO_DEBUG_SIZE];
879 int io_debug_head;
880 int io_debug_enabled;
881 #endif /* PRISM2_IO_DEBUG */
882
883 /* Pointer to hardware model specific (cs,pci,plx) private data. */
884 void *hw_priv;
885 };
886
887
888 /* Per interface private Host AP data
889 * Allocated for each net device that Host AP uses (wlan#, wlan#ap, wlan#sta,
890 * WDS) and netdev_priv(dev) points to this structure. */
891 struct hostap_interface {
892 struct list_head list; /* list entry in Host AP interface list */
893 struct net_device *dev; /* pointer to this device */
894 struct local_info *local; /* pointer to shared private data */
895 struct net_device_stats stats;
896 struct iw_spy_data spy_data; /* iwspy support */
897 struct iw_public_data wireless_data;
898
899 enum {
900 HOSTAP_INTERFACE_MASTER,
901 HOSTAP_INTERFACE_MAIN,
902 HOSTAP_INTERFACE_AP,
903 HOSTAP_INTERFACE_STA,
904 HOSTAP_INTERFACE_WDS,
905 } type;
906
907 union {
908 struct hostap_interface_wds {
909 u8 remote_addr[ETH_ALEN];
910 } wds;
911 } u;
912 };
913
914
915 #define HOSTAP_SKB_TX_DATA_MAGIC 0xf08a36a2
916
917 /*
918 * TX meta data - stored in skb->cb buffer, so this must not be increased over
919 * the 48-byte limit.
920 * THE PADDING THIS STARTS WITH IS A HORRIBLE HACK THAT SHOULD NOT LIVE
921 * TO SEE THE DAY.
922 */
923 struct hostap_skb_tx_data {
924 unsigned int __padding_for_default_qdiscs;
925 u32 magic; /* HOSTAP_SKB_TX_DATA_MAGIC */
926 u8 rate; /* transmit rate */
927 #define HOSTAP_TX_FLAGS_WDS BIT(0)
928 #define HOSTAP_TX_FLAGS_BUFFERED_FRAME BIT(1)
929 #define HOSTAP_TX_FLAGS_ADD_MOREDATA BIT(2)
930 u8 flags; /* HOSTAP_TX_FLAGS_* */
931 u16 tx_cb_idx;
932 struct hostap_interface *iface;
933 unsigned long jiffies; /* queueing timestamp */
934 unsigned short ethertype;
935 };
936
937
938 #ifndef PRISM2_NO_DEBUG
939
940 #define DEBUG_FID BIT(0)
941 #define DEBUG_PS BIT(1)
942 #define DEBUG_FLOW BIT(2)
943 #define DEBUG_AP BIT(3)
944 #define DEBUG_HW BIT(4)
945 #define DEBUG_EXTRA BIT(5)
946 #define DEBUG_EXTRA2 BIT(6)
947 #define DEBUG_PS2 BIT(7)
948 #define DEBUG_MASK (DEBUG_PS | DEBUG_AP | DEBUG_HW | DEBUG_EXTRA)
949 #define PDEBUG(n, args...) \
950 do { if ((n) & DEBUG_MASK) printk(KERN_DEBUG args); } while (0)
951 #define PDEBUG2(n, args...) \
952 do { if ((n) & DEBUG_MASK) printk(args); } while (0)
953
954 #else /* PRISM2_NO_DEBUG */
955
956 #define PDEBUG(n, args...)
957 #define PDEBUG2(n, args...)
958
959 #endif /* PRISM2_NO_DEBUG */
960
961 enum { BAP0 = 0, BAP1 = 1 };
962
963 #define PRISM2_IO_DEBUG_CMD_INB 0
964 #define PRISM2_IO_DEBUG_CMD_INW 1
965 #define PRISM2_IO_DEBUG_CMD_INSW 2
966 #define PRISM2_IO_DEBUG_CMD_OUTB 3
967 #define PRISM2_IO_DEBUG_CMD_OUTW 4
968 #define PRISM2_IO_DEBUG_CMD_OUTSW 5
969 #define PRISM2_IO_DEBUG_CMD_ERROR 6
970 #define PRISM2_IO_DEBUG_CMD_INTERRUPT 7
971
972 #ifdef PRISM2_IO_DEBUG
973
974 #define PRISM2_IO_DEBUG_ENTRY(cmd, reg, value) \
975 (((cmd) << 24) | ((reg) << 16) | value)
976
prism2_io_debug_add(struct net_device * dev,int cmd,int reg,int value)977 static inline void prism2_io_debug_add(struct net_device *dev, int cmd,
978 int reg, int value)
979 {
980 struct hostap_interface *iface = netdev_priv(dev);
981 local_info_t *local = iface->local;
982
983 if (!local->io_debug_enabled)
984 return;
985
986 local->io_debug[local->io_debug_head] = jiffies & 0xffffffff;
987 if (++local->io_debug_head >= PRISM2_IO_DEBUG_SIZE)
988 local->io_debug_head = 0;
989 local->io_debug[local->io_debug_head] =
990 PRISM2_IO_DEBUG_ENTRY(cmd, reg, value);
991 if (++local->io_debug_head >= PRISM2_IO_DEBUG_SIZE)
992 local->io_debug_head = 0;
993 }
994
995
prism2_io_debug_error(struct net_device * dev,int err)996 static inline void prism2_io_debug_error(struct net_device *dev, int err)
997 {
998 struct hostap_interface *iface = netdev_priv(dev);
999 local_info_t *local = iface->local;
1000 unsigned long flags;
1001
1002 if (!local->io_debug_enabled)
1003 return;
1004
1005 spin_lock_irqsave(&local->lock, flags);
1006 prism2_io_debug_add(dev, PRISM2_IO_DEBUG_CMD_ERROR, 0, err);
1007 if (local->io_debug_enabled == 1) {
1008 local->io_debug_enabled = 0;
1009 printk(KERN_DEBUG "%s: I/O debug stopped\n", dev->name);
1010 }
1011 spin_unlock_irqrestore(&local->lock, flags);
1012 }
1013
1014 #else /* PRISM2_IO_DEBUG */
1015
prism2_io_debug_add(struct net_device * dev,int cmd,int reg,int value)1016 static inline void prism2_io_debug_add(struct net_device *dev, int cmd,
1017 int reg, int value)
1018 {
1019 }
1020
prism2_io_debug_error(struct net_device * dev,int err)1021 static inline void prism2_io_debug_error(struct net_device *dev, int err)
1022 {
1023 }
1024
1025 #endif /* PRISM2_IO_DEBUG */
1026
1027
1028 #ifdef PRISM2_CALLBACK
1029 enum {
1030 /* Called when card is enabled */
1031 PRISM2_CALLBACK_ENABLE,
1032
1033 /* Called when card is disabled */
1034 PRISM2_CALLBACK_DISABLE,
1035
1036 /* Called when RX/TX starts/ends */
1037 PRISM2_CALLBACK_RX_START, PRISM2_CALLBACK_RX_END,
1038 PRISM2_CALLBACK_TX_START, PRISM2_CALLBACK_TX_END
1039 };
1040 void prism2_callback(local_info_t *local, int event);
1041 #else /* PRISM2_CALLBACK */
1042 #define prism2_callback(d, e) do { } while (0)
1043 #endif /* PRISM2_CALLBACK */
1044
1045 #endif /* __KERNEL__ */
1046
1047 #endif /* HOSTAP_WLAN_H */
1048