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[openwrt/staging/dedeckeh.git] / package / broadcom-wl / src / include / proto / 802.11.h
1 /*
2 * Copyright 2006, Broadcom Corporation
3 * All Rights Reserved.
4 *
5 * THIS SOFTWARE IS OFFERED "AS IS", AND BROADCOM GRANTS NO WARRANTIES OF ANY
6 * KIND, EXPRESS OR IMPLIED, BY STATUTE, COMMUNICATION OR OTHERWISE. BROADCOM
7 * SPECIFICALLY DISCLAIMS ANY IMPLIED WARRANTIES OF MERCHANTABILITY, FITNESS
8 * FOR A SPECIFIC PURPOSE OR NONINFRINGEMENT CONCERNING THIS SOFTWARE.
9 *
10 * Fundamental types and constants relating to 802.11
11 *
12 * $Id: 802.11.h,v 1.1.1.17 2006/04/15 01:29:08 michael Exp $
13 */
14
15 #ifndef _802_11_H_
16 #define _802_11_H_
17
18 #ifndef _TYPEDEFS_H_
19 #include <typedefs.h>
20 #endif
21
22 #ifndef _NET_ETHERNET_H_
23 #include <proto/ethernet.h>
24 #endif
25
26 #include <proto/wpa.h>
27
28 /* enable structure packing */
29 #if defined(__GNUC__)
30 #define PACKED __attribute__((packed))
31 #else
32 #pragma pack(1)
33 #define PACKED
34 #endif
35
36 #define DOT11_TU_TO_US 1024 /* 802.11 Time Unit is 1024 microseconds */
37
38 /* Generic 802.11 frame constants */
39 #define DOT11_A3_HDR_LEN 24 /* d11 header length with A3 */
40 #define DOT11_A4_HDR_LEN 30 /* d11 header length with A4 */
41 #define DOT11_MAC_HDR_LEN DOT11_A3_HDR_LEN /* MAC header length */
42 #define DOT11_FCS_LEN 4 /* d11 FCS length */
43 #define DOT11_ICV_LEN 4 /* d11 ICV length */
44 #define DOT11_ICV_AES_LEN 8 /* d11 ICV/AES length */
45 #define DOT11_QOS_LEN 2 /* d11 QoS length */
46 #define DOT11_HTC_LEN 4 /* d11 HT Control field length */
47
48 #define DOT11_KEY_INDEX_SHIFT 6 /* d11 key index shift */
49 #define DOT11_IV_LEN 4 /* d11 IV length */
50 #define DOT11_IV_TKIP_LEN 8 /* d11 IV TKIP length */
51 #define DOT11_IV_AES_OCB_LEN 4 /* d11 IV/AES/OCB length */
52 #define DOT11_IV_AES_CCM_LEN 8 /* d11 IV/AES/CCM length */
53 #define DOT11_IV_MAX_LEN 8 /* maximum iv len for any encryption */
54
55 /* Includes MIC */
56 #define DOT11_MAX_MPDU_BODY_LEN 2304 /* max MPDU body length */
57 /* A4 header + QoS + CCMP + PDU + ICV + FCS = 2352 */
58 #define DOT11_MAX_MPDU_LEN (DOT11_A4_HDR_LEN + \
59 DOT11_QOS_LEN + \
60 DOT11_IV_AES_CCM_LEN + \
61 DOT11_MAX_MPDU_BODY_LEN + \
62 DOT11_ICV_LEN + \
63 DOT11_FCS_LEN) /* d11 max MPDU length */
64
65 #define DOT11_MAX_SSID_LEN 32 /* d11 max ssid length */
66
67 /* dot11RTSThreshold */
68 #define DOT11_DEFAULT_RTS_LEN 2347 /* d11 default RTS length */
69 #define DOT11_MAX_RTS_LEN 2347 /* d11 max RTS length */
70
71 /* dot11FragmentationThreshold */
72 #define DOT11_MIN_FRAG_LEN 256 /* d11 min fragmentation length */
73 #define DOT11_MAX_FRAG_LEN 2346 /* Max frag is also limited by aMPDUMaxLength
74 * of the attached PHY
75 */
76 #define DOT11_DEFAULT_FRAG_LEN 2346 /* d11 default fragmentation length */
77
78 /* dot11BeaconPeriod */
79 #define DOT11_MIN_BEACON_PERIOD 1 /* d11 min beacon period */
80 #define DOT11_MAX_BEACON_PERIOD 0xFFFF /* d11 max beacon period */
81
82 /* dot11DTIMPeriod */
83 #define DOT11_MIN_DTIM_PERIOD 1 /* d11 min DTIM period */
84 #define DOT11_MAX_DTIM_PERIOD 0xFF /* d11 max DTIM period */
85
86 /* 802.2 LLC/SNAP header used by 802.11 per 802.1H */
87 #define DOT11_LLC_SNAP_HDR_LEN 8 /* d11 LLC/SNAP header length */
88 #define DOT11_OUI_LEN 3 /* d11 OUI length */
89 struct dot11_llc_snap_header {
90 uint8 dsap; /* always 0xAA */
91 uint8 ssap; /* always 0xAA */
92 uint8 ctl; /* always 0x03 */
93 uint8 oui[DOT11_OUI_LEN]; /* RFC1042: 0x00 0x00 0x00
94 * Bridge-Tunnel: 0x00 0x00 0xF8
95 */
96 uint16 type; /* ethertype */
97 } PACKED;
98
99 /* RFC1042 header used by 802.11 per 802.1H */
100 #define RFC1042_HDR_LEN (ETHER_HDR_LEN + DOT11_LLC_SNAP_HDR_LEN) /* RCF1042 header length */
101
102 /* Generic 802.11 MAC header */
103 /*
104 * N.B.: This struct reflects the full 4 address 802.11 MAC header.
105 * The fields are defined such that the shorter 1, 2, and 3
106 * address headers just use the first k fields.
107 */
108 struct dot11_header {
109 uint16 fc; /* frame control */
110 uint16 durid; /* duration/ID */
111 struct ether_addr a1; /* address 1 */
112 struct ether_addr a2; /* address 2 */
113 struct ether_addr a3; /* address 3 */
114 uint16 seq; /* sequence control */
115 struct ether_addr a4; /* address 4 */
116 } PACKED;
117
118 /* Control frames */
119
120 struct dot11_rts_frame {
121 uint16 fc; /* frame control */
122 uint16 durid; /* duration/ID */
123 struct ether_addr ra; /* receiver address */
124 struct ether_addr ta; /* transmitter address */
125 } PACKED;
126 #define DOT11_RTS_LEN 16 /* d11 RTS frame length */
127
128 struct dot11_cts_frame {
129 uint16 fc; /* frame control */
130 uint16 durid; /* duration/ID */
131 struct ether_addr ra; /* receiver address */
132 } PACKED;
133 #define DOT11_CTS_LEN 10 /* d11 CTS frame length */
134
135 struct dot11_ack_frame {
136 uint16 fc; /* frame control */
137 uint16 durid; /* duration/ID */
138 struct ether_addr ra; /* receiver address */
139 } PACKED;
140 #define DOT11_ACK_LEN 10 /* d11 ACK frame length */
141
142 struct dot11_ps_poll_frame {
143 uint16 fc; /* frame control */
144 uint16 durid; /* AID */
145 struct ether_addr bssid; /* receiver address, STA in AP */
146 struct ether_addr ta; /* transmitter address */
147 } PACKED;
148 #define DOT11_PS_POLL_LEN 16 /* d11 PS poll frame length */
149
150 struct dot11_cf_end_frame {
151 uint16 fc; /* frame control */
152 uint16 durid; /* duration/ID */
153 struct ether_addr ra; /* receiver address */
154 struct ether_addr bssid; /* transmitter address, STA in AP */
155 } PACKED;
156 #define DOT11_CS_END_LEN 16 /* d11 CF-END frame length */
157
158 /* BA/BAR Control parameters */
159 #define DOT11_BA_CTL_POLICY_NORMAL 0x0000 /* normal ack */
160 #define DOT11_BA_CTL_POLICY_NOACK 0x0001 /* no ack */
161 #define DOT11_BA_CTL_POLICY_MASK 0x0001 /* ack policy mask */
162
163 #define DOT11_BA_CTL_MTID 0x0002 /* multi tid BA */
164 #define DOT11_BA_CTL_COMPRESSED 0x0004 /* compressed bitmap */
165
166 #define DOT11_BA_CTL_NUMMSDU_MASK 0x0FC0 /* num msdu in bitmap mask */
167 #define DOT11_BA_CTL_NUMMSDU_SHIFT 6 /* num msdu in bitmap shift */
168
169 #define DOT11_BA_CTL_TID_MASK 0xF000 /* tid mask */
170 #define DOT11_BA_CTL_TID_SHIFT 12 /* tid shift */
171
172 struct dot11_ba_req_frame {
173 uint16 fc; /* frame control */
174 uint16 durid; /* duration/ID */
175 struct ether_addr ra; /* receiver address */
176 struct ether_addr ta; /* transmitter address */
177 uint16 bar_control; /* BAR Control */
178 uint16 seqnum; /* Starting Sequence control */
179 } PACKED;
180 #define DOT11_BA_REQ_LEN 20 /* BAR frame length */
181
182 #define DOT11_BA_BITMAP_LEN 128 /* bitmap length */
183 #define DOT11_BA_CMP_BITMAP_LEN 8 /* compressed bitmap length */
184 struct dot11_ba_frame {
185 uint16 fc; /* frame control */
186 uint16 durid; /* duration/ID */
187 struct ether_addr ra; /* receiver address */
188 struct ether_addr ta; /* transmitter address */
189 uint16 ba_control; /* BA Control */
190 uint16 seqnum; /* Starting Sequence control */
191 uint8 bitmap[DOT11_BA_BITMAP_LEN]; /* Block Ack Bitmap */
192 } PACKED;
193 #define DOT11_BA_LEN 20 /* BA frame length (without bitmap) */
194
195 /* Management frame header */
196 struct dot11_management_header {
197 uint16 fc; /* frame control */
198 uint16 durid; /* duration/ID */
199 struct ether_addr da; /* receiver address */
200 struct ether_addr sa; /* transmitter address */
201 struct ether_addr bssid; /* BSS ID */
202 uint16 seq; /* sequence control */
203 } PACKED;
204 #define DOT11_MGMT_HDR_LEN 24 /* d11 management header length */
205
206 /* Management frame payloads */
207
208 struct dot11_bcn_prb {
209 uint32 timestamp[2];
210 uint16 beacon_interval;
211 uint16 capability;
212 } PACKED;
213 #define DOT11_BCN_PRB_LEN 12 /* d11 beacon probe frame length */
214
215 struct dot11_auth {
216 uint16 alg; /* algorithm */
217 uint16 seq; /* sequence control */
218 uint16 status; /* status code */
219 } PACKED;
220 #define DOT11_AUTH_FIXED_LEN 6 /* length of auth frame without challenge info
221 * elt
222 */
223
224 struct dot11_assoc_req {
225 uint16 capability; /* capability information */
226 uint16 listen; /* listen interval */
227 } PACKED;
228 #define DOT11_ASSOC_REQ_FIXED_LEN 4 /* length of assoc frame without info elts */
229
230 struct dot11_reassoc_req {
231 uint16 capability; /* capability information */
232 uint16 listen; /* listen interval */
233 struct ether_addr ap; /* Current AP address */
234 } PACKED;
235 #define DOT11_REASSOC_REQ_FIXED_LEN 10 /* length of assoc frame without info elts */
236
237 struct dot11_assoc_resp {
238 uint16 capability; /* capability information */
239 uint16 status; /* status code */
240 uint16 aid; /* association ID */
241 } PACKED;
242
243 struct dot11_action_measure {
244 uint8 category;
245 uint8 action;
246 uint8 token;
247 uint8 data[1];
248 } PACKED;
249 #define DOT11_ACTION_MEASURE_LEN 3 /* d11 action measurement header length */
250
251 struct dot11_action_switch_channel {
252 uint8 category;
253 uint8 action;
254 uint8 data[5]; /* for switch IE */
255 } PACKED;
256
257 struct dot11_action_ht_ch_width {
258 uint8 category;
259 uint8 action;
260 uint8 ch_width;
261 } PACKED;
262
263 struct dot11_action_ht_mimops {
264 uint8 category;
265 uint8 action;
266 uint8 enable;
267 uint8 psmode;
268 } PACKED;
269
270 /* ************* 802.11h related definitions. ************* */
271 typedef struct {
272 uint8 id;
273 uint8 len;
274 uint8 power;
275 } dot11_power_cnst_t;
276
277 typedef struct {
278 uint8 min;
279 uint8 max;
280 } dot11_power_cap_t;
281
282 typedef struct {
283 uint8 id;
284 uint8 len;
285 uint8 tx_pwr;
286 uint8 margin;
287 } dot11_tpc_rep_t;
288 #define DOT11_MNG_IE_TPC_REPORT_LEN 2 /* length of IE data, not including 2 byte header */
289
290 typedef struct {
291 uint8 id;
292 uint8 len;
293 uint8 first_channel;
294 uint8 num_channels;
295 } dot11_supp_channels_t;
296
297 /* channel switch announcement (CSA) mode type - 802.11h-2003 $7.3.2.20 */
298 #define DOT11_CSA_MODE_ADVISORY 0 /* no DOT11_CSA_MODE_NO_TX restriction imposed */
299 #define DOT11_CSA_MODE_NO_TX 1 /* no transmission upon receiving CSA frame. */
300
301 /* CSA IE data structure */
302 struct dot11_channel_switch {
303 uint8 id;
304 uint8 len;
305 uint8 mode;
306 uint8 channel;
307 uint8 count;
308 } PACKED;
309 typedef struct dot11_channel_switch dot11_channel_switch_t;
310
311 #define DOT11_SWITCH_IE_LEN 3 /* length of IE data, not including 2 byte header */
312
313 /* 802.11h Measurement Request/Report IEs */
314 /* Measurement Type field */
315 #define DOT11_MEASURE_TYPE_BASIC 0 /* d11 measurement basic type */
316 #define DOT11_MEASURE_TYPE_CCA 1 /* d11 measurement CCA type */
317 #define DOT11_MEASURE_TYPE_RPI 2 /* d11 measurement PRI type */
318
319 /* Measurement Mode field */
320
321 /* Measurement Request Modes */
322 #define DOT11_MEASURE_MODE_ENABLE (1<<1) /* d11 measurement enable */
323 #define DOT11_MEASURE_MODE_REQUEST (1<<2) /* d11 measurement request */
324 #define DOT11_MEASURE_MODE_REPORT (1<<3) /* d11 measurement report */
325 /* Measurement Report Modes */
326 #define DOT11_MEASURE_MODE_LATE (1<<0) /* d11 measurement late */
327 #define DOT11_MEASURE_MODE_INCAPABLE (1<<1) /* d11 measurement incapable */
328 #define DOT11_MEASURE_MODE_REFUSED (1<<2) /* d11 measurement refuse */
329 /* Basic Measurement Map bits */
330 #define DOT11_MEASURE_BASIC_MAP_BSS ((uint8)(1<<0)) /* d11 measurement basic map BSS */
331 #define DOT11_MEASURE_BASIC_MAP_OFDM ((uint8)(1<<1)) /* d11 measurement map OFDM */
332 #define DOT11_MEASURE_BASIC_MAP_UKNOWN ((uint8)(1<<2)) /* d11 measurement map unknown */
333 #define DOT11_MEASURE_BASIC_MAP_RADAR ((uint8)(1<<3)) /* d11 measurement map radar */
334 #define DOT11_MEASURE_BASIC_MAP_UNMEAS ((uint8)(1<<4)) /* d11 measurement map unmeasuremnt */
335
336 typedef struct {
337 uint8 id;
338 uint8 len;
339 uint8 token;
340 uint8 mode;
341 uint8 type;
342 uint8 channel;
343 uint8 start_time[8];
344 uint16 duration;
345 } dot11_meas_req_t;
346 #define DOT11_MNG_IE_MREQ_LEN 14 /* d11 measurement request IE length */
347 /* length of Measure Request IE data not including variable len */
348 #define DOT11_MNG_IE_MREQ_FIXED_LEN 3 /* d11 measurement request IE fixed length */
349
350 struct dot11_meas_rep {
351 uint8 id;
352 uint8 len;
353 uint8 token;
354 uint8 mode;
355 uint8 type;
356 union
357 {
358 struct {
359 uint8 channel;
360 uint8 start_time[8];
361 uint16 duration;
362 uint8 map;
363 } PACKED basic;
364 uint8 data[1];
365 } PACKED rep;
366 } PACKED;
367 typedef struct dot11_meas_rep dot11_meas_rep_t;
368
369 /* length of Measure Report IE data not including variable len */
370 #define DOT11_MNG_IE_MREP_FIXED_LEN 3 /* d11 measurement response IE fixed length */
371
372 struct dot11_meas_rep_basic {
373 uint8 channel;
374 uint8 start_time[8];
375 uint16 duration;
376 uint8 map;
377 } PACKED;
378 typedef struct dot11_meas_rep_basic dot11_meas_rep_basic_t;
379 #define DOT11_MEASURE_BASIC_REP_LEN 12 /* d11 measurement basic report length */
380
381 struct dot11_quiet {
382 uint8 id;
383 uint8 len;
384 uint8 count; /* TBTTs until beacon interval in quiet starts */
385 uint8 period; /* Beacon intervals between periodic quiet periods ? */
386 uint16 duration; /* Length of quiet period, in TU's */
387 uint16 offset; /* TU's offset from TBTT in Count field */
388 } PACKED;
389 typedef struct dot11_quiet dot11_quiet_t;
390
391 typedef struct {
392 uint8 channel;
393 uint8 map;
394 } chan_map_tuple_t;
395
396 typedef struct {
397 uint8 id;
398 uint8 len;
399 uint8 eaddr[ETHER_ADDR_LEN];
400 uint8 interval;
401 chan_map_tuple_t map[1];
402 } dot11_ibss_dfs_t;
403
404 /* WME Elements */
405 #define WME_OUI "\x00\x50\xf2" /* WME OUI */
406 #define WME_VER 1 /* WME version */
407 #define WME_TYPE 2 /* WME type */
408 #define WME_SUBTYPE_IE 0 /* Information Element */
409 #define WME_SUBTYPE_PARAM_IE 1 /* Parameter Element */
410 #define WME_SUBTYPE_TSPEC 2 /* Traffic Specification */
411
412 /* WME Access Category Indices (ACIs) */
413 #define AC_BE 0 /* Best Effort */
414 #define AC_BK 1 /* Background */
415 #define AC_VI 2 /* Video */
416 #define AC_VO 3 /* Voice */
417 #define AC_COUNT 4 /* number of ACs */
418
419 typedef uint8 ac_bitmap_t; /* AC bitmap of (1 << AC_xx) */
420
421 #define AC_BITMAP_NONE 0x0 /* No ACs */
422 #define AC_BITMAP_ALL 0xf /* All ACs */
423 #define AC_BITMAP_TST(ab, ac) (((ab) & (1 << (ac))) != 0)
424
425 /* WME Information Element (IE) */
426 struct wme_ie {
427 uint8 oui[3];
428 uint8 type;
429 uint8 subtype;
430 uint8 version;
431 uint8 qosinfo;
432 } PACKED;
433 typedef struct wme_ie wme_ie_t;
434 #define WME_IE_LEN 7 /* WME IE length */
435
436 struct edcf_acparam {
437 uint8 ACI;
438 uint8 ECW;
439 uint16 TXOP; /* stored in network order (ls octet first) */
440 } PACKED;
441 typedef struct edcf_acparam edcf_acparam_t;
442
443 /* WME Parameter Element (PE) */
444 struct wme_param_ie {
445 uint8 oui[3];
446 uint8 type;
447 uint8 subtype;
448 uint8 version;
449 uint8 qosinfo;
450 uint8 rsvd;
451 edcf_acparam_t acparam[AC_COUNT];
452 } PACKED;
453 typedef struct wme_param_ie wme_param_ie_t;
454 #define WME_PARAM_IE_LEN 24 /* WME Parameter IE length */
455
456 /* QoS Info field for IE as sent from AP */
457 #define WME_QI_AP_APSD_MASK 0x80 /* U-APSD Supported mask */
458 #define WME_QI_AP_APSD_SHIFT 7 /* U-APSD Supported shift */
459 #define WME_QI_AP_COUNT_MASK 0x0f /* Parameter set count mask */
460 #define WME_QI_AP_COUNT_SHIFT 0 /* Parameter set count shift */
461
462 /* QoS Info field for IE as sent from STA */
463 #define WME_QI_STA_MAXSPLEN_MASK 0x60 /* Max Service Period Length mask */
464 #define WME_QI_STA_MAXSPLEN_SHIFT 5 /* Max Service Period Length shift */
465 #define WME_QI_STA_APSD_ALL_MASK 0xf /* APSD all AC bits mask */
466 #define WME_QI_STA_APSD_ALL_SHIFT 0 /* APSD all AC bits shift */
467 #define WME_QI_STA_APSD_BE_MASK 0x8 /* APSD AC_BE mask */
468 #define WME_QI_STA_APSD_BE_SHIFT 3 /* APSD AC_BE shift */
469 #define WME_QI_STA_APSD_BK_MASK 0x4 /* APSD AC_BK mask */
470 #define WME_QI_STA_APSD_BK_SHIFT 2 /* APSD AC_BK shift */
471 #define WME_QI_STA_APSD_VI_MASK 0x2 /* APSD AC_VI mask */
472 #define WME_QI_STA_APSD_VI_SHIFT 1 /* APSD AC_VI shift */
473 #define WME_QI_STA_APSD_VO_MASK 0x1 /* APSD AC_VO mask */
474 #define WME_QI_STA_APSD_VO_SHIFT 0 /* APSD AC_VO shift */
475
476 /* ACI */
477 #define EDCF_AIFSN_MIN 1 /* AIFSN minimum value */
478 #define EDCF_AIFSN_MAX 15 /* AIFSN maximum value */
479 #define EDCF_AIFSN_MASK 0x0f /* AIFSN mask */
480 #define EDCF_ACM_MASK 0x10 /* ACM mask */
481 #define EDCF_ACI_MASK 0x60 /* ACI mask */
482 #define EDCF_ACI_SHIFT 5 /* ACI shift */
483
484 /* ECW */
485 #define EDCF_ECW_MIN 0 /* cwmin/cwmax exponent minimum value */
486 #define EDCF_ECW_MAX 15 /* cwmin/cwmax exponent maximum value */
487 #define EDCF_ECW2CW(exp) ((1 << (exp)) - 1)
488 #define EDCF_ECWMIN_MASK 0x0f /* cwmin exponent form mask */
489 #define EDCF_ECWMAX_MASK 0xf0 /* cwmax exponent form mask */
490 #define EDCF_ECWMAX_SHIFT 4 /* cwmax exponent form shift */
491
492 /* TXOP */
493 #define EDCF_TXOP_MIN 0 /* TXOP minimum value */
494 #define EDCF_TXOP_MAX 65535 /* TXOP maximum value */
495 #define EDCF_TXOP2USEC(txop) ((txop) << 5)
496
497 /* Default EDCF parameters that AP advertises for STA to use; WMM draft Table 12 */
498 #define EDCF_AC_BE_ACI_STA 0x03 /* STA ACI value for best effort AC */
499 #define EDCF_AC_BE_ECW_STA 0xA4 /* STA ECW value for best effort AC */
500 #define EDCF_AC_BE_TXOP_STA 0x0000 /* STA TXOP value for best effort AC */
501 #define EDCF_AC_BK_ACI_STA 0x27 /* STA ACI value for background AC */
502 #define EDCF_AC_BK_ECW_STA 0xA4 /* STA ECW value for background AC */
503 #define EDCF_AC_BK_TXOP_STA 0x0000 /* STA TXOP value for background AC */
504 #define EDCF_AC_VI_ACI_STA 0x42 /* STA ACI value for video AC */
505 #define EDCF_AC_VI_ECW_STA 0x43 /* STA ECW value for video AC */
506 #define EDCF_AC_VI_TXOP_STA 0x005e /* STA TXOP value for video AC */
507 #define EDCF_AC_VO_ACI_STA 0x62 /* STA ACI value for audio AC */
508 #define EDCF_AC_VO_ECW_STA 0x32 /* STA ECW value for audio AC */
509 #define EDCF_AC_VO_TXOP_STA 0x002f /* STA TXOP value for audio AC */
510
511 /* Default EDCF parameters that AP uses; WMM draft Table 14 */
512 #define EDCF_AC_BE_ACI_AP 0x03 /* AP ACI value for best effort AC */
513 #define EDCF_AC_BE_ECW_AP 0x64 /* AP ECW value for best effort AC */
514 #define EDCF_AC_BE_TXOP_AP 0x0000 /* AP TXOP value for best effort AC */
515 #define EDCF_AC_BK_ACI_AP 0x27 /* AP ACI value for background AC */
516 #define EDCF_AC_BK_ECW_AP 0xA4 /* AP ECW value for background AC */
517 #define EDCF_AC_BK_TXOP_AP 0x0000 /* AP TXOP value for background AC */
518 #define EDCF_AC_VI_ACI_AP 0x41 /* AP ACI value for video AC */
519 #define EDCF_AC_VI_ECW_AP 0x43 /* AP ECW value for video AC */
520 #define EDCF_AC_VI_TXOP_AP 0x005e /* AP TXOP value for video AC */
521 #define EDCF_AC_VO_ACI_AP 0x61 /* AP ACI value for audio AC */
522 #define EDCF_AC_VO_ECW_AP 0x32 /* AP ECW value for audio AC */
523 #define EDCF_AC_VO_TXOP_AP 0x002f /* AP TXOP value for audio AC */
524
525 struct dot11_qbss_load_ie {
526 uint8 id; /* 11, DOT11_MNG_QBSS_LOAD_ID */
527 uint8 length;
528 uint16 station_count; /* total number of STAs associated */
529 uint8 channel_utilization; /* % of time, normalized to 255, QAP sensed medium busy */
530 uint16 aac; /* available admission capacity */
531 } PACKED;
532 typedef struct dot11_qbss_load_ie dot11_qbss_load_ie_t;
533
534 /* nom_msdu_size */
535 #define FIXED_MSDU_SIZE 0x8000 /* MSDU size is fixed */
536 #define MSDU_SIZE_MASK 0x7fff /* (Nominal or fixed) MSDU size */
537
538 /* surplus_bandwidth */
539 /* Represented as 3 bits of integer, binary point, 13 bits fraction */
540 #define INTEGER_SHIFT 13 /* integer shift */
541 #define FRACTION_MASK 0x1FFF /* fraction mask */
542
543 /* Management Notification Frame */
544 struct dot11_management_notification {
545 uint8 category; /* DOT11_ACTION_NOTIFICATION */
546 uint8 action;
547 uint8 token;
548 uint8 status;
549 uint8 data[1]; /* Elements */
550 } PACKED;
551 #define DOT11_MGMT_NOTIFICATION_LEN 4 /* Fixed length */
552
553 /* WME Action Codes */
554 #define WME_ADDTS_REQUEST 0 /* WME ADDTS request */
555 #define WME_ADDTS_RESPONSE 1 /* WME ADDTS response */
556 #define WME_DELTS_REQUEST 2 /* WME DELTS request */
557
558 /* WME Setup Response Status Codes */
559 #define WME_ADMISSION_ACCEPTED 0 /* WME admission accepted */
560 #define WME_INVALID_PARAMETERS 1 /* WME invalide parameters */
561 #define WME_ADMISSION_REFUSED 3 /* WME admission refused */
562
563 /* Macro to take a pointer to a beacon or probe response
564 * header and return the char* pointer to the SSID info element
565 */
566 #define BCN_PRB_SSID(hdr) ((char*)(hdr) + DOT11_MGMT_HDR_LEN + DOT11_BCN_PRB_LEN)
567
568 /* Authentication frame payload constants */
569 #define DOT11_OPEN_SYSTEM 0 /* d11 open authentication */
570 #define DOT11_SHARED_KEY 1 /* d11 shared authentication */
571 #define DOT11_CHALLENGE_LEN 128 /* d11 chanllenge text length */
572
573 /* Frame control macros */
574 #define FC_PVER_MASK 0x3 /* PVER mask */
575 #define FC_PVER_SHIFT 0 /* PVER shift */
576 #define FC_TYPE_MASK 0xC /* type mask */
577 #define FC_TYPE_SHIFT 2 /* type shift */
578 #define FC_SUBTYPE_MASK 0xF0 /* subtype mask */
579 #define FC_SUBTYPE_SHIFT 4 /* subtype shift */
580 #define FC_TODS 0x100 /* to DS */
581 #define FC_TODS_SHIFT 8 /* to DS shift */
582 #define FC_FROMDS 0x200 /* from DS */
583 #define FC_FROMDS_SHIFT 9 /* from DS shift */
584 #define FC_MOREFRAG 0x400 /* more frag. */
585 #define FC_MOREFRAG_SHIFT 10 /* more frag. shift */
586 #define FC_RETRY 0x800 /* retry */
587 #define FC_RETRY_SHIFT 11 /* retry shift */
588 #define FC_PM 0x1000 /* PM */
589 #define FC_PM_SHIFT 12 /* PM shift */
590 #define FC_MOREDATA 0x2000 /* more data */
591 #define FC_MOREDATA_SHIFT 13 /* more data shift */
592 #define FC_WEP 0x4000 /* WEP */
593 #define FC_WEP_SHIFT 14 /* WEP shift */
594 #define FC_ORDER 0x8000 /* order */
595 #define FC_ORDER_SHIFT 15 /* order shift */
596
597 /* sequence control macros */
598 #define SEQNUM_SHIFT 4 /* seq. number shift */
599 #define SEQNUM_MAX 0x1000 /* max seqnum + 1 */
600 #define FRAGNUM_MASK 0xF /* frag. number mask */
601
602 /* Frame Control type/subtype defs */
603
604 /* FC Types */
605 #define FC_TYPE_MNG 0 /* management type */
606 #define FC_TYPE_CTL 1 /* control type */
607 #define FC_TYPE_DATA 2 /* data type */
608
609 /* Management Subtypes */
610 #define FC_SUBTYPE_ASSOC_REQ 0 /* assoc. request */
611 #define FC_SUBTYPE_ASSOC_RESP 1 /* assoc. response */
612 #define FC_SUBTYPE_REASSOC_REQ 2 /* reassoc. request */
613 #define FC_SUBTYPE_REASSOC_RESP 3 /* reassoc. response */
614 #define FC_SUBTYPE_PROBE_REQ 4 /* probe request */
615 #define FC_SUBTYPE_PROBE_RESP 5 /* probe response */
616 #define FC_SUBTYPE_BEACON 8 /* beacon */
617 #define FC_SUBTYPE_ATIM 9 /* ATIM */
618 #define FC_SUBTYPE_DISASSOC 10 /* disassoc. */
619 #define FC_SUBTYPE_AUTH 11 /* authentication */
620 #define FC_SUBTYPE_DEAUTH 12 /* de-authentication */
621 #define FC_SUBTYPE_ACTION 13 /* action */
622
623 /* Control Subtypes */
624 #define FC_SUBTYPE_BLOCKACK_REQ 8 /* Block Ack Req */
625 #define FC_SUBTYPE_BLOCKACK 9 /* Block Ack */
626 #define FC_SUBTYPE_PS_POLL 10 /* PS poll */
627 #define FC_SUBTYPE_RTS 11 /* RTS */
628 #define FC_SUBTYPE_CTS 12 /* CTS */
629 #define FC_SUBTYPE_ACK 13 /* ACK */
630 #define FC_SUBTYPE_CF_END 14 /* CF-END */
631 #define FC_SUBTYPE_CF_END_ACK 15 /* CF-END ACK */
632
633 /* Data Subtypes */
634 #define FC_SUBTYPE_DATA 0 /* Data */
635 #define FC_SUBTYPE_DATA_CF_ACK 1 /* Data + CF-ACK */
636 #define FC_SUBTYPE_DATA_CF_POLL 2 /* Data + CF-Poll */
637 #define FC_SUBTYPE_DATA_CF_ACK_POLL 3 /* Data + CF-Ack + CF-Poll */
638 #define FC_SUBTYPE_NULL 4 /* Null */
639 #define FC_SUBTYPE_CF_ACK 5 /* CF-Ack */
640 #define FC_SUBTYPE_CF_POLL 6 /* CF-Poll */
641 #define FC_SUBTYPE_CF_ACK_POLL 7 /* CF-Ack + CF-Poll */
642 #define FC_SUBTYPE_QOS_DATA 8 /* QoS Data */
643 #define FC_SUBTYPE_QOS_DATA_CF_ACK 9 /* QoS Data + CF-Ack */
644 #define FC_SUBTYPE_QOS_DATA_CF_POLL 10 /* QoS Data + CF-Poll */
645 #define FC_SUBTYPE_QOS_DATA_CF_ACK_POLL 11 /* QoS Data + CF-Ack + CF-Poll */
646 #define FC_SUBTYPE_QOS_NULL 12 /* QoS Null */
647 #define FC_SUBTYPE_QOS_CF_POLL 14 /* QoS CF-Poll */
648 #define FC_SUBTYPE_QOS_CF_ACK_POLL 15 /* QoS CF-Ack + CF-Poll */
649
650 /* Data Subtype Groups */
651 #define FC_SUBTYPE_ANY_QOS(s) (((s) & 8) != 0)
652 #define FC_SUBTYPE_ANY_NULL(s) (((s) & 4) != 0)
653 #define FC_SUBTYPE_ANY_CF_POLL(s) (((s) & 2) != 0)
654 #define FC_SUBTYPE_ANY_CF_ACK(s) (((s) & 1) != 0)
655
656 /* Type/Subtype Combos */
657 #define FC_KIND_MASK (FC_TYPE_MASK | FC_SUBTYPE_MASK) /* FC kind mask */
658
659 #define FC_KIND(t, s) (((t) << FC_TYPE_SHIFT) | ((s) << FC_SUBTYPE_SHIFT)) /* FC kind */
660
661 #define FC_SUBTYPE(fc) (((fc) & FC_SUBTYPE_MASK) >> FC_SUBTYPE_SHIFT) /* Subtype from FC */
662 #define FC_TYPE(fc) (((fc) & FC_TYPE_MASK) >> FC_TYPE_SHIFT) /* Type from FC */
663
664 #define FC_ASSOC_REQ FC_KIND(FC_TYPE_MNG, FC_SUBTYPE_ASSOC_REQ) /* assoc. request */
665 #define FC_ASSOC_RESP FC_KIND(FC_TYPE_MNG, FC_SUBTYPE_ASSOC_RESP) /* assoc. response */
666 #define FC_REASSOC_REQ FC_KIND(FC_TYPE_MNG, FC_SUBTYPE_REASSOC_REQ) /* reassoc. request */
667 #define FC_REASSOC_RESP FC_KIND(FC_TYPE_MNG, FC_SUBTYPE_REASSOC_RESP) /* reassoc. response */
668 #define FC_PROBE_REQ FC_KIND(FC_TYPE_MNG, FC_SUBTYPE_PROBE_REQ) /* probe request */
669 #define FC_PROBE_RESP FC_KIND(FC_TYPE_MNG, FC_SUBTYPE_PROBE_RESP) /* probe response */
670 #define FC_BEACON FC_KIND(FC_TYPE_MNG, FC_SUBTYPE_BEACON) /* beacon */
671 #define FC_DISASSOC FC_KIND(FC_TYPE_MNG, FC_SUBTYPE_DISASSOC) /* disassoc */
672 #define FC_AUTH FC_KIND(FC_TYPE_MNG, FC_SUBTYPE_AUTH) /* authentication */
673 #define FC_DEAUTH FC_KIND(FC_TYPE_MNG, FC_SUBTYPE_DEAUTH) /* deauthentication */
674 #define FC_ACTION FC_KIND(FC_TYPE_MNG, FC_SUBTYPE_ACTION) /* action */
675
676 #define FC_BLOCKACK_REQ FC_KIND(FC_TYPE_CTL, FC_SUBTYPE_BLOCKACK_REQ) /* Block Ack Req */
677 #define FC_BLOCKACK FC_KIND(FC_TYPE_CTL, FC_SUBTYPE_BLOCKACK) /* Block Ack */
678 #define FC_PS_POLL FC_KIND(FC_TYPE_CTL, FC_SUBTYPE_PS_POLL) /* PS poll */
679 #define FC_RTS FC_KIND(FC_TYPE_CTL, FC_SUBTYPE_RTS) /* RTS */
680 #define FC_CTS FC_KIND(FC_TYPE_CTL, FC_SUBTYPE_CTS) /* CTS */
681 #define FC_ACK FC_KIND(FC_TYPE_CTL, FC_SUBTYPE_ACK) /* ACK */
682 #define FC_CF_END FC_KIND(FC_TYPE_CTL, FC_SUBTYPE_CF_END) /* CF-END */
683 #define FC_CF_END_ACK FC_KIND(FC_TYPE_CTL, FC_SUBTYPE_CF_END_ACK) /* CF-END ACK */
684
685 #define FC_DATA FC_KIND(FC_TYPE_DATA, FC_SUBTYPE_DATA) /* data */
686 #define FC_NULL_DATA FC_KIND(FC_TYPE_DATA, FC_SUBTYPE_NULL) /* null data */
687 #define FC_DATA_CF_ACK FC_KIND(FC_TYPE_DATA, FC_SUBTYPE_DATA_CF_ACK) /* data CF ACK */
688 #define FC_QOS_DATA FC_KIND(FC_TYPE_DATA, FC_SUBTYPE_QOS_DATA) /* QoS data */
689 #define FC_QOS_NULL FC_KIND(FC_TYPE_DATA, FC_SUBTYPE_QOS_NULL) /* QoS null */
690
691 /* QoS Control Field */
692
693 /* 802.1D Priority */
694 #define QOS_PRIO_SHIFT 0 /* QoS priority shift */
695 #define QOS_PRIO_MASK 0x0007 /* QoS priority mask */
696 #define QOS_PRIO(qos) (((qos) & QOS_PRIO_MASK) >> QOS_PRIO_SHIFT) /* QoS priority */
697
698 /* Traffic Identifier */
699 #define QOS_TID_SHIFT 0 /* QoS TID shift */
700 #define QOS_TID_MASK 0x000f /* QoS TID mask */
701 #define QOS_TID(qos) (((qos) & QOS_TID_MASK) >> QOS_TID_SHIFT) /* QoS TID */
702
703 /* End of Service Period (U-APSD) */
704 #define QOS_EOSP_SHIFT 4 /* QoS End of Service Period shift */
705 #define QOS_EOSP_MASK 0x0010 /* QoS End of Service Period mask */
706 #define QOS_EOSP(qos) (((qos) & QOS_EOSP_MASK) >> QOS_EOSP_SHIFT) /* Qos EOSP */
707
708 /* Ack Policy */
709 #define QOS_ACK_NORMAL_ACK 0 /* Normal Ack */
710 #define QOS_ACK_NO_ACK 1 /* No Ack (eg mcast) */
711 #define QOS_ACK_NO_EXP_ACK 2 /* No Explicit Ack */
712 #define QOS_ACK_BLOCK_ACK 3 /* Block Ack */
713 #define QOS_ACK_SHIFT 5 /* QoS ACK shift */
714 #define QOS_ACK_MASK 0x0060 /* QoS ACK mask */
715 #define QOS_ACK(qos) (((qos) & QOS_ACK_MASK) >> QOS_ACK_SHIFT) /* QoS ACK */
716
717 /* A-MSDU flag */
718 #define QOS_AMSDU_SHIFT 7 /* AMSDU shift */
719 #define QOS_AMSDU_MASK 0x0080 /* AMSDU mask */
720
721 /* Management Frames */
722
723 /* Management Frame Constants */
724
725 /* Fixed fields */
726 #define DOT11_MNG_AUTH_ALGO_LEN 2 /* d11 management auth. algo. length */
727 #define DOT11_MNG_AUTH_SEQ_LEN 2 /* d11 management auth. seq. length */
728 #define DOT11_MNG_BEACON_INT_LEN 2 /* d11 management beacon interval length */
729 #define DOT11_MNG_CAP_LEN 2 /* d11 management cap. length */
730 #define DOT11_MNG_AP_ADDR_LEN 6 /* d11 management AP address length */
731 #define DOT11_MNG_LISTEN_INT_LEN 2 /* d11 management listen interval length */
732 #define DOT11_MNG_REASON_LEN 2 /* d11 management reason length */
733 #define DOT11_MNG_AID_LEN 2 /* d11 management AID length */
734 #define DOT11_MNG_STATUS_LEN 2 /* d11 management status length */
735 #define DOT11_MNG_TIMESTAMP_LEN 8 /* d11 management timestamp length */
736
737 /* DUR/ID field in assoc resp is 0xc000 | AID */
738 #define DOT11_AID_MASK 0x3fff /* d11 AID mask */
739
740 /* Reason Codes */
741 #define DOT11_RC_RESERVED 0 /* d11 RC reserved */
742 #define DOT11_RC_UNSPECIFIED 1 /* Unspecified reason */
743 #define DOT11_RC_AUTH_INVAL 2 /* Previous authentication no longer
744 * valid
745 */
746 #define DOT11_RC_DEAUTH_LEAVING 3 /* Deauthenticated because sending station
747 * is leaving (or has left) IBSS or ESS
748 */
749 #define DOT11_RC_INACTIVITY 4 /* Disassociated due to inactivity */
750 #define DOT11_RC_BUSY 5 /* Disassociated because AP is unable
751 * to handle all currently associated
752 * stations
753 */
754 #define DOT11_RC_INVAL_CLASS_2 6 /* Class 2 frame received from
755 * nonauthenticated station
756 */
757 #define DOT11_RC_INVAL_CLASS_3 7 /* Class 3 frame received from
758 * nonassociated station
759 */
760 #define DOT11_RC_DISASSOC_LEAVING 8 /* Disassociated because sending station is
761 * leaving (or has left) BSS
762 */
763 #define DOT11_RC_NOT_AUTH 9 /* Station requesting (re)association is
764 * not authenticated with responding
765 * station
766 */
767 #define DOT11_RC_MAX 23 /* Reason codes > 23 are reserved */
768
769 /* Status Codes */
770 #define DOT11_STATUS_SUCCESS 0 /* Successful */
771 #define DOT11_STATUS_FAILURE 1 /* Unspecified failure */
772 #define DOT11_STATUS_CAP_MISMATCH 10 /* Cannot support all requested
773 * capabilities in the Capability
774 * Information field
775 */
776 #define DOT11_STATUS_REASSOC_FAIL 11 /* Reassociation denied due to inability
777 * to confirm that association exists
778 */
779 #define DOT11_STATUS_ASSOC_FAIL 12 /* Association denied due to reason
780 * outside the scope of this standard
781 */
782 #define DOT11_STATUS_AUTH_MISMATCH 13 /* Responding station does not support
783 * the specified authentication
784 * algorithm
785 */
786 #define DOT11_STATUS_AUTH_SEQ 14 /* Received an Authentication frame
787 * with authentication transaction
788 * sequence number out of expected
789 * sequence
790 */
791 #define DOT11_STATUS_AUTH_CHALLENGE_FAIL 15 /* Authentication rejected because of
792 * challenge failure
793 */
794 #define DOT11_STATUS_AUTH_TIMEOUT 16 /* Authentication rejected due to timeout
795 * waiting for next frame in sequence
796 */
797 #define DOT11_STATUS_ASSOC_BUSY_FAIL 17 /* Association denied because AP is
798 * unable to handle additional
799 * associated stations
800 */
801 #define DOT11_STATUS_ASSOC_RATE_MISMATCH 18 /* Association denied due to requesting
802 * station not supporting all of the
803 * data rates in the BSSBasicRateSet
804 * parameter
805 */
806 #define DOT11_STATUS_ASSOC_SHORT_REQUIRED 19 /* Association denied due to requesting
807 * station not supporting the Short
808 * Preamble option
809 */
810 #define DOT11_STATUS_ASSOC_PBCC_REQUIRED 20 /* Association denied due to requesting
811 * station not supporting the PBCC
812 * Modulation option
813 */
814 #define DOT11_STATUS_ASSOC_AGILITY_REQUIRED 21 /* Association denied due to requesting
815 * station not supporting the Channel
816 * Agility option
817 */
818 #define DOT11_STATUS_ASSOC_SPECTRUM_REQUIRED 22 /* Association denied because Spectrum
819 * Management capability is required.
820 */
821 #define DOT11_STATUS_ASSOC_BAD_POWER_CAP 23 /* Association denied because the info
822 * in the Power Cap element is
823 * unacceptable.
824 */
825 #define DOT11_STATUS_ASSOC_BAD_SUP_CHANNELS 24 /* Association denied because the info
826 * in the Supported Channel element is
827 * unacceptable
828 */
829 #define DOT11_STATUS_ASSOC_SHORTSLOT_REQUIRED 25 /* Association denied due to requesting
830 * station not supporting the Short Slot
831 * Time option
832 */
833 #define DOT11_STATUS_ASSOC_ERPBCC_REQUIRED 26 /* Association denied due to requesting
834 * station not supporting the ER-PBCC
835 * Modulation option
836 */
837 #define DOT11_STATUS_ASSOC_DSSOFDM_REQUIRED 27 /* Association denied due to requesting
838 * station not supporting the DSS-OFDM
839 * option
840 */
841
842 /* Info Elts, length of INFORMATION portion of Info Elts */
843 #define DOT11_MNG_DS_PARAM_LEN 1 /* d11 management DS parameter length */
844 #define DOT11_MNG_IBSS_PARAM_LEN 2 /* d11 management IBSS parameter length */
845
846 /* TIM Info element has 3 bytes fixed info in INFORMATION field,
847 * followed by 1 to 251 bytes of Partial Virtual Bitmap
848 */
849 #define DOT11_MNG_TIM_FIXED_LEN 3 /* d11 management TIM fixed length */
850 #define DOT11_MNG_TIM_DTIM_COUNT 0 /* d11 management DTIM count */
851 #define DOT11_MNG_TIM_DTIM_PERIOD 1 /* d11 management DTIM period */
852 #define DOT11_MNG_TIM_BITMAP_CTL 2 /* d11 management TIM BITMAP control */
853 #define DOT11_MNG_TIM_PVB 3 /* d11 management TIM PVB */
854
855 /* TLV defines */
856 #define TLV_TAG_OFF 0 /* tag offset */
857 #define TLV_LEN_OFF 1 /* length offset */
858 #define TLV_HDR_LEN 2 /* header length */
859 #define TLV_BODY_OFF 2 /* body offset */
860
861 /* Management Frame Information Element IDs */
862 #define DOT11_MNG_SSID_ID 0 /* d11 management SSID id */
863 #define DOT11_MNG_RATES_ID 1 /* d11 management rates id */
864 #define DOT11_MNG_FH_PARMS_ID 2 /* d11 management FH parameter id */
865 #define DOT11_MNG_DS_PARMS_ID 3 /* d11 management DS parameter id */
866 #define DOT11_MNG_CF_PARMS_ID 4 /* d11 management CF parameter id */
867 #define DOT11_MNG_TIM_ID 5 /* d11 management TIM id */
868 #define DOT11_MNG_IBSS_PARMS_ID 6 /* d11 management IBSS parameter id */
869 #define DOT11_MNG_COUNTRY_ID 7 /* d11 management country id */
870 #define DOT11_MNG_HOPPING_PARMS_ID 8 /* d11 management hopping parameter id */
871 #define DOT11_MNG_HOPPING_TABLE_ID 9 /* d11 management hopping table id */
872 #define DOT11_MNG_REQUEST_ID 10 /* d11 management request id */
873 #define DOT11_MNG_QBSS_LOAD_ID 11 /* d11 management QBSS Load id */
874 #define DOT11_MNG_CHALLENGE_ID 16 /* d11 management chanllenge id */
875 #define DOT11_MNG_PWR_CONSTRAINT_ID 32 /* 11H PowerConstraint */
876 #define DOT11_MNG_PWR_CAP_ID 33 /* 11H PowerCapability */
877 #define DOT11_MNG_TPC_REQUEST_ID 34 /* 11H TPC Request */
878 #define DOT11_MNG_TPC_REPORT_ID 35 /* 11H TPC Report */
879 #define DOT11_MNG_SUPP_CHANNELS_ID 36 /* 11H Supported Channels */
880 #define DOT11_MNG_CHANNEL_SWITCH_ID 37 /* 11H ChannelSwitch Announcement */
881 #define DOT11_MNG_MEASURE_REQUEST_ID 38 /* 11H MeasurementRequest */
882 #define DOT11_MNG_MEASURE_REPORT_ID 39 /* 11H MeasurementReport */
883 #define DOT11_MNG_QUIET_ID 40 /* 11H Quiet */
884 #define DOT11_MNG_IBSS_DFS_ID 41 /* 11H IBSS_DFS */
885 #define DOT11_MNG_ERP_ID 42 /* d11 management ERP id */
886 #define DOT11_MNG_TS_DELAY_ID 43 /* d11 management TS Delay id */
887 #define DOT11_MNG_NONERP_ID 47 /* d11 management NON-ERP id */
888 #define DOT11_MNG_RSN_ID 48 /* d11 management RSN id */
889 #define DOT11_MNG_EXT_RATES_ID 50 /* d11 management ext. rates id */
890 #define DOT11_MNG_WPA_ID 221 /* d11 management WPA id */
891 #define DOT11_MNG_PROPR_ID 221 /* d11 management proprietary id */
892
893 /* Rate element Basic flag and rate mask */
894 #define DOT11_RATE_BASIC 0x80 /* flag for a Basic Rate */
895 #define DOT11_RATE_MASK 0x7F /* mask for numeric part of rate */
896
897 /* ERP info element bit values */
898 #define DOT11_MNG_ERP_LEN 1 /* ERP is currently 1 byte long */
899 #define DOT11_MNG_NONERP_PRESENT 0x01 /* NonERP (802.11b) STAs are present
900 *in the BSS
901 */
902 #define DOT11_MNG_USE_PROTECTION 0x02 /* Use protection mechanisms for
903 *ERP-OFDM frames
904 */
905 #define DOT11_MNG_BARKER_PREAMBLE 0x04 /* Short Preambles: 0 == allowed,
906 * 1 == not allowed
907 */
908 /* TS Delay element offset & size */
909 #define DOT11_MGN_TS_DELAY_LEN 4 /* length of TS DELAY IE */
910 #define TS_DELAY_FIELD_SIZE 4 /* TS DELAY field size */
911
912 /* Capability Information Field */
913 #define DOT11_CAP_ESS 0x0001 /* d11 cap. ESS */
914 #define DOT11_CAP_IBSS 0x0002 /* d11 cap. IBSS */
915 #define DOT11_CAP_POLLABLE 0x0004 /* d11 cap. pollable */
916 #define DOT11_CAP_POLL_RQ 0x0008 /* d11 cap. poll request */
917 #define DOT11_CAP_PRIVACY 0x0010 /* d11 cap. privacy */
918 #define DOT11_CAP_SHORT 0x0020 /* d11 cap. short */
919 #define DOT11_CAP_PBCC 0x0040 /* d11 cap. PBCC */
920 #define DOT11_CAP_AGILITY 0x0080 /* d11 cap. agility */
921 #define DOT11_CAP_SPECTRUM 0x0100 /* d11 cap. spectrum */
922 #define DOT11_CAP_SHORTSLOT 0x0400 /* d11 cap. shortslot */
923 #define DOT11_CAP_CCK_OFDM 0x2000 /* d11 cap. CCK/OFDM */
924
925 /* Action Frame Constants */
926 #define DOT11_ACTION_CAT_ERR_MASK 0x80 /* d11 action category error mask */
927 #define DOT11_ACTION_CAT_MASK 0x7F /* d11 action category mask */
928 #define DOT11_ACTION_CAT_SPECT_MNG 0x00 /* d11 action category spectrum management */
929 #define DOT11_ACTION_CAT_BLOCKACK 0x03 /* d11 action category block ack */
930 #define DOT11_ACTION_NOTIFICATION 0x11 /* 17 */
931
932 #define DOT11_ACTION_ID_M_REQ 0 /* d11 action measurement request */
933 #define DOT11_ACTION_ID_M_REP 1 /* d11 action measurement response */
934 #define DOT11_ACTION_ID_TPC_REQ 2 /* d11 action TPC request */
935 #define DOT11_ACTION_ID_TPC_REP 3 /* d11 action TPC response */
936 #define DOT11_ACTION_ID_CHANNEL_SWITCH 4 /* d11 action channel switch */
937
938 /* HT (EWC) action ids */
939 #define DOT11_ACTION_ID_HT_CH_WIDTH 0 /* mimo ps action frame id */
940 #define DOT11_ACTION_ID_HT_MIMO_PS 1 /* mimo ps action frame id */
941
942 /* Block Ack action types */
943 #define DOT11_BA_ACTION_ADDBA_REQ 0 /* ADDBA Req action frame type */
944 #define DOT11_BA_ACTION_ADDBA_RESP 1 /* ADDBA Resp action frame type */
945 #define DOT11_BA_ACTION_DELBA 2 /* DELBA action frame type */
946
947 /* ADDBA action parameters */
948 #define DOT11_ADDBA_PARAM_POLICY_MASK 0x0002 /* policy mask(ack vs delayed) */
949 #define DOT11_ADDBA_PARAM_POLICY_SHIFT 1 /* policy shift */
950 #define DOT11_ADDBA_PARAM_TID_MASK 0x003c /* tid mask */
951 #define DOT11_ADDBA_PARAM_TID_SHIFT 2 /* tid shift */
952 #define DOT11_ADDBA_PARAM_BSIZE_MASK 0xffc0 /* buffer size mask */
953 #define DOT11_ADDBA_PARAM_BSIZE_SHIFT 6 /* buffer size shift */
954
955 #define DOT11_ADDBA_POLICY_DELAYED 0 /* delayed BA policy */
956 #define DOT11_ADDBA_POLICY_IMMEDIATE 1 /* immediate BA policy */
957
958 struct dot11_addba_req {
959 uint8 category; /* category of action frame (3) */
960 uint8 action; /* action: addba req */
961 uint8 token; /* identifier */
962 uint16 addba_param_set; /* parameter set */
963 uint16 timeout; /* timeout in seconds */
964 uint16 start_seqnum; /* starting sequence number */
965 }PACKED;
966 typedef struct dot11_addba_req dot11_addba_req_t;
967 #define DOT11_ADDBA_REQ_LEN 9 /* length of addba req frame */
968
969 struct dot11_addba_resp {
970 uint8 category; /* category of action frame (3) */
971 uint8 action; /* action: addba resp */
972 uint8 token; /* identifier */
973 uint16 status; /* status of add request */
974 uint16 addba_param_set; /* negotiated parameter set */
975 uint16 timeout; /* negotiated timeout in seconds */
976 }PACKED;
977 typedef struct dot11_addba_resp dot11_addba_resp_t;
978 #define DOT11_ADDBA_RESP_LEN 9 /* length of addba resp frame */
979
980 /* DELBA action parameters */
981 #define DOT11_DELBA_PARAM_INIT_MASK 0x0800 /* initiator mask */
982 #define DOT11_DELBA_PARAM_INIT_SHIFT 11 /* initiator shift */
983 #define DOT11_DELBA_PARAM_TID_MASK 0xf000 /* tid mask */
984 #define DOT11_DELBA_PARAM_TID_SHIFT 12 /* tid shift */
985
986 struct dot11_delba {
987 uint8 category; /* category of action frame (3) */
988 uint8 action; /* action: addba req */
989 uint16 delba_param_set; /* paarmeter set */
990 uint16 reason; /* reason for dellba */
991 }PACKED;
992 typedef struct dot11_delba dot11_delba_t;
993 #define DOT11_DELBA_LEN 6 /* length of delba frame */
994
995 /* MLME Enumerations */
996 #define DOT11_BSSTYPE_INFRASTRUCTURE 0 /* d11 infrastructure */
997 #define DOT11_BSSTYPE_INDEPENDENT 1 /* d11 independent */
998 #define DOT11_BSSTYPE_ANY 2 /* d11 any BSS type */
999 #define DOT11_SCANTYPE_ACTIVE 0 /* d11 scan active */
1000 #define DOT11_SCANTYPE_PASSIVE 1 /* d11 scan passive */
1001
1002 /* 802.11 BRCM "Compromise" Pre N constants */
1003 #define PREN_PREAMBLE 24 /* green field preamble time */
1004 #define PREN_MM_EXT 16 /* extra mixed mode preamble time */
1005 #define PREN_PREAMBLE_EXT 4 /* extra preamble (multiply by unique_streams-1) */
1006
1007 /* 802.11 A PHY constants */
1008 #define APHY_SLOT_TIME 9 /* APHY slot time */
1009 #define APHY_SIFS_TIME 16 /* APHY SIFS time */
1010 #define APHY_DIFS_TIME (APHY_SIFS_TIME + (2 * APHY_SLOT_TIME)) /* APHY DIFS time */
1011 #define APHY_PREAMBLE_TIME 16 /* APHY preamble time */
1012 #define APHY_SIGNAL_TIME 4 /* APHY signal time */
1013 #define APHY_SYMBOL_TIME 4 /* APHY symbol time */
1014 #define APHY_SERVICE_NBITS 16 /* APHY service nbits */
1015 #define APHY_TAIL_NBITS 6 /* APHY tail nbits */
1016 #define APHY_CWMIN 15 /* APHY cwmin */
1017
1018 /* 802.11 B PHY constants */
1019 #define BPHY_SLOT_TIME 20 /* BPHY slot time */
1020 #define BPHY_SIFS_TIME 10 /* BPHY SIFS time */
1021 #define BPHY_DIFS_TIME 50 /* BPHY DIFS time */
1022 #define BPHY_PLCP_TIME 192 /* BPHY PLCP time */
1023 #define BPHY_PLCP_SHORT_TIME 96 /* BPHY PLCP short time */
1024 #define BPHY_CWMIN 31 /* BPHY cwmin */
1025
1026 /* 802.11 G constants */
1027 #define DOT11_OFDM_SIGNAL_EXTENSION 6 /* d11 OFDM signal extension */
1028
1029 #define PHY_CWMAX 1023 /* PHY cwmax */
1030
1031 #define DOT11_MAXNUMFRAGS 16 /* max # fragments per MSDU */
1032
1033 /* dot11Counters Table - 802.11 spec., Annex D */
1034 typedef struct d11cnt {
1035 uint32 txfrag; /* dot11TransmittedFragmentCount */
1036 uint32 txmulti; /* dot11MulticastTransmittedFrameCount */
1037 uint32 txfail; /* dot11FailedCount */
1038 uint32 txretry; /* dot11RetryCount */
1039 uint32 txretrie; /* dot11MultipleRetryCount */
1040 uint32 rxdup; /* dot11FrameduplicateCount */
1041 uint32 txrts; /* dot11RTSSuccessCount */
1042 uint32 txnocts; /* dot11RTSFailureCount */
1043 uint32 txnoack; /* dot11ACKFailureCount */
1044 uint32 rxfrag; /* dot11ReceivedFragmentCount */
1045 uint32 rxmulti; /* dot11MulticastReceivedFrameCount */
1046 uint32 rxcrc; /* dot11FCSErrorCount */
1047 uint32 txfrmsnt; /* dot11TransmittedFrameCount */
1048 uint32 rxundec; /* dot11WEPUndecryptableCount */
1049 } d11cnt_t;
1050
1051 /* BRCM OUI */
1052 #define BRCM_OUI "\x00\x10\x18" /* Broadcom OUI */
1053
1054 /* OUI for BRCM proprietary IE */
1055 #define BRCM_PROP_OUI "\x00\x90\x4C" /* Broadcom proprietary OUI */
1056
1057 /* BRCM info element */
1058 struct brcm_ie {
1059 uint8 id; /* IE ID, 221, DOT11_MNG_PROPR_ID */
1060 uint8 len; /* IE length */
1061 uint8 oui[3]; /* Proprietary OUI, BRCM_OUI */
1062 uint8 ver; /* type/ver of this IE */
1063 uint8 assoc; /* # of assoc STAs */
1064 uint8 flags; /* misc flags */
1065 uint8 flags1; /* misc flags */
1066 uint16 amsdu_mtu_pref; /* preferred A-MSDU MTU */
1067 } PACKED;
1068 typedef struct brcm_ie brcm_ie_t;
1069 #define BRCM_IE_LEN 11 /* BRCM IE length */
1070 #define BRCM_IE_VER 2 /* BRCM IE version */
1071 #define BRCM_IE_LEGACY_AES_VER 1 /* BRCM IE legacy AES version */
1072
1073 /* brcm_ie flags */
1074 #define BRF_ABCAP 0x1 /* afterburner capable */
1075 #define BRF_ABRQRD 0x2 /* afterburner requested */
1076 #define BRF_LZWDS 0x4 /* lazy wds enabled */
1077 #define BRF_BLOCKACK 0x8 /* BlockACK capable */
1078 #define BRF_ABCOUNTER_MASK 0xf0 /* afterburner wds "state" counter */
1079 #define BRF_ABCOUNTER_SHIFT 4 /* offset of afterburner wds "state" counter */
1080
1081 /* brcm_ie flags1 */
1082 #define BRF1_AMSDU 0x1 /* A-MSDU capable */
1083
1084 #define AB_WDS_TIMEOUT_MAX 15 /* afterburner wds Max count indicating not
1085 * locally capable
1086 */
1087 #define AB_WDS_TIMEOUT_MIN 1 /* afterburner wds, use zero count as indicating
1088 * "downrev"
1089 */
1090
1091 /* EWC definitions */
1092 #define MCSSET_LEN 16 /* 16-bits per 8-bit set to give 128-bits bitmap of MCS Index */
1093
1094 struct ewc_cap {
1095 uint16 cap;
1096 uint8 params;
1097 uint8 supp_mcs[MCSSET_LEN];
1098 uint16 ext_htcap;
1099 uint32 txbf_cap;
1100 uint8 as_cap;
1101 } PACKED;
1102 typedef struct ewc_cap ewc_cap_t;
1103
1104 /* CAP IE: EWC 1.0 spec. simply stole a 802.11 IE, we use our prop. IE until this is resolved */
1105 /* the capability IE is primarily used to convey this nodes abilities */
1106 struct ewc_cap_ie {
1107 uint8 id; /* IE ID, 221, DOT11_MNG_PROPR_ID */
1108 uint8 len; /* IE length */
1109 uint8 oui[3]; /* Proprietary OUI, BRCM_PROP_OUI */
1110 uint8 type; /* type inidicates what follows */
1111 ewc_cap_t cap;
1112 } PACKED;
1113 typedef struct ewc_cap_ie ewc_cap_ie_t;
1114
1115 #define EWC_CAP_IE_LEN (26+4)
1116 #define EWC_CAP_IE_TYPE 51
1117
1118 #define EWC_CAP_ADC_CODING 0x0001 /* Advance coding support */
1119 #define EWC_CAP_40MHZ 0x0002 /* FALSE:20Mhz, TRUE: 20 and 40MHZ supported */
1120 #define EWC_CAP_MIMO_PS_MASK 0x000C /* Mimo PS mask */
1121 #define EWC_CAP_MIMO_PS_SHIFT 0x0002 /* Mimo PS shift */
1122 #define EWC_CAP_MIMO_PS_OFF 0x0003 /* Mimo PS, no restriction */
1123 #define EWC_CAP_MIMO_PS_RTS 0x0001 /* Mimo PS, send RTS/CTS around MIMO frames */
1124 #define EWC_CAP_MIMO_PS_ON 0x0000 /* Mimo PS, MIMO disallowed */
1125 #define EWC_CAP_GF 0x0010 /* Greenfield preamble support */
1126 #define EWC_CAP_SHORT_GI_20 0x0020 /* 20MHZ short guard interval support */
1127 #define EWC_CAP_SHORT_GI_40 0x0040 /* 40Mhz short guard interval support */
1128 #define EWC_CAP_TX_STBC 0x0080 /* Tx STBC support */
1129 #define EWC_CAP_RX_STBC_MASK 0x0300 /* Rx STBC mask */
1130 #define EWC_CAP_RX_STBC_SHIFT 8 /* Rx STBC shift */
1131 #define EWC_CAP_DELAYED_BA 0x0400 /* delayed BA support */
1132 #define EWC_CAP_MAX_AMSDU 0x0800 /* Max AMSDU size in bytes , 0=3839, 1=7935 */
1133 #define EWC_CAP_DSSS_CCK 0x1000 /* DSSS/CCK supported by the BSS */
1134 #define EWC_CAP_PSMP 0x2000 /* Power Save Multi Poll support */
1135 #define EWC_CAP_STBC_CTL 0x4000 /* STBC control frame support */
1136 #define EWC_CAP_LSIG_TXOP 0x8000 /* L-SIG TXOP protection support */
1137
1138 #define EWC_MAX_AMSDU 7935 /* max amsdu size (bytes) per the EWC spec */
1139 #define EWC_MIN_AMSDU 3835 /* min amsdu size (bytes) per the EWC spec */
1140
1141 #define EWC_PARAMS_RX_FACTOR_MASK 0x03 /* ampdu rcv factor mask */
1142 #define EWC_PARAMS_DENSITY_MASK 0x1C /* ampdu density mask */
1143 #define EWC_PARAMS_DENSITY_SHIFT 2 /* ampdu density shift */
1144
1145 /* EWC/AMPDU specific define */
1146 #define AMPDU_MAX_MPDU_DENSITY 7 /* max mpdu density; in 1/8 usec units */
1147 #define AMPDU_MAX_RX_FACTOR 3 /* max rcv ampdu len (64kb) */
1148 #define AMPDU_RX_FACTOR_BASE 8*1024 /* ampdu factor base for rx len */
1149 #define AMPDU_DELIMITER_LEN 4 /* length of ampdu delimiter */
1150
1151 struct ewc_add {
1152 uint8 ctl_ch; /* control channel number */
1153 uint8 byte1; /* ext ch,rec. ch. width, RIFS support */
1154 uint16 opmode; /* operation mode */
1155 uint16 misc_bits; /* misc bits */
1156 uint8 basic_mcs[MCSSET_LEN]; /* required MCS set */
1157 } PACKED;
1158 typedef struct ewc_add ewc_add_t;
1159
1160 /* ADD IE: EWC 1.0 spec. simply stole a 802.11 IE, we use our prop. IE until this is resolved */
1161 /* the additional IE is primarily used to convey the current BSS configuration */
1162 struct ewc_add_ie {
1163 uint8 id; /* IE ID, 221, DOT11_MNG_PROPR_ID */
1164 uint8 len; /* IE length */
1165 uint8 oui[3]; /* Proprietary OUI, BRCM_PROP_OUI */
1166 uint8 type; /* indicates what follows */
1167 ewc_add_t add;
1168 } PACKED;
1169 typedef struct ewc_add_ie ewc_add_ie_t;
1170
1171 #define EWC_ADD_IE_LEN (22+4)
1172 #define EWC_ADD_IE_TYPE 52
1173
1174 /* byte1 defn's */
1175 #define EWC_EXT_CH_MASK 0x03 /* extension channel mask */
1176 #define EWC_EXT_CH_UPPER 0x01 /* ext. ch. on upper sb */
1177 #define EWC_EXT_CH_LOWER 0x03 /* ext. ch. on lower sb */
1178 #define EWC_EXT_CH_NONE 0x00 /* extension channel mask */
1179 #define EWC_BW_ANY 0x04 /* set, STA can use 20 or 40MHz */
1180 #define EWC_RIFS_PERMITTED 0x08 /* RIFS allowed */
1181
1182 /* opmode defn's */
1183 #define EWC_OPMODE_MASK 0x0003 /* protection mode mask */
1184 #define EWC_OPMODE_PURE 0x0000 /* protection mode PURE */
1185 #define EWC_OPMODE_HT20IN40 0x0002 /* protection mode 20MHz HT in 40MHz BSS */
1186 #define EWC_OPMODE_MIXED 0x0003 /* protection mode Mixed Mode */
1187 #define EWC_NONGF_PRESENT 0x0004 /* protection mode non-GF */
1188
1189 /* misc_bites defn's */
1190 #define EWC_BASIC_STBC_MCS 0x007f /* basic STBC MCS */
1191 #define EWC_DUAL_STBC_PROT 0x0080 /* Dual STBC Protection */
1192 #define EWC_SECOND_BCN 0x0100 /* Secondary beacon support */
1193 #define EWC_LSIG_TXOP 0x0200 /* L-SIG TXOP Protection full support */
1194 #define EWC_PCO_ACTIVE 0x0400 /* PCO active */
1195 #define EWC_PCO_PHASE 0x0800 /* PCO phase */
1196
1197 /* Macros for opmode */
1198 #define EWC_MIXEDMODE_PRESENT(add) ((ltoh16_ua(&add.opmode) & EWC_OPMODE_MASK) \
1199 == EWC_OPMODE_MIXED) /* mixed mode present */
1200 #define EWC_HT20_PRESENT(add) ((ltoh16_ua(&add.opmode) & EWC_OPMODE_MASK) \
1201 == EWC_OPMODE_HT20IN40) /* 20MHz HT present */
1202 #define EWC_USE_PROTECTION(add) (EWC_HT20_PRESENT((add)) || \
1203 EWC_MIXEDMODE_PRESENT((add))) /* use protection */
1204
1205 /* Vendor IE structure */
1206 struct vndr_ie {
1207 uchar id;
1208 uchar len;
1209 uchar oui [3];
1210 uchar data [1]; /* Variable size data */
1211 }PACKED;
1212 typedef struct vndr_ie vndr_ie_t;
1213
1214 #define VNDR_IE_HDR_LEN 2 /* id + len field */
1215 #define VNDR_IE_MIN_LEN 3 /* size of the oui field */
1216 #define VNDR_IE_MAX_LEN 256 /* verdor IE max length */
1217
1218 /* WPA definitions */
1219 #define WPA_VERSION 1 /* WPA version */
1220 #define WPA_OUI "\x00\x50\xF2" /* WPA OUI */
1221
1222 #define WPA2_VERSION 1 /* WPA2 version */
1223 #define WPA2_VERSION_LEN 2 /* WAP2 version length */
1224 #define WPA2_OUI "\x00\x0F\xAC" /* WPA2 OUI */
1225
1226 #define WPA_OUI_LEN 3 /* WPA OUI length */
1227
1228 /* RSN authenticated key managment suite */
1229 #define RSN_AKM_NONE 0 /* None (IBSS) */
1230 #define RSN_AKM_UNSPECIFIED 1 /* Over 802.1x */
1231 #define RSN_AKM_PSK 2 /* Pre-shared Key */
1232
1233 /* Key related defines */
1234 #define DOT11_MAX_DEFAULT_KEYS 4 /* number of default keys */
1235 #define DOT11_MAX_KEY_SIZE 32 /* max size of any key */
1236 #define DOT11_MAX_IV_SIZE 16 /* max size of any IV */
1237 #define DOT11_EXT_IV_FLAG (1<<5) /* flag to indicate IV is > 4 bytes */
1238
1239 #define WEP1_KEY_SIZE 5 /* max size of any WEP key */
1240 #define WEP1_KEY_HEX_SIZE 10 /* size of WEP key in hex. */
1241 #define WEP128_KEY_SIZE 13 /* max size of any WEP key */
1242 #define WEP128_KEY_HEX_SIZE 26 /* size of WEP key in hex. */
1243 #define TKIP_MIC_SIZE 8 /* size of TKIP MIC */
1244 #define TKIP_EOM_SIZE 7 /* max size of TKIP EOM */
1245 #define TKIP_EOM_FLAG 0x5a /* TKIP EOM flag byte */
1246 #define TKIP_KEY_SIZE 32 /* size of any TKIP key */
1247 #define TKIP_MIC_AUTH_TX 16 /* offset to Authenticator MIC TX key */
1248 #define TKIP_MIC_AUTH_RX 24 /* offset to Authenticator MIC RX key */
1249 #define TKIP_MIC_SUP_RX TKIP_MIC_AUTH_TX /* offset to Supplicant MIC RX key */
1250 #define TKIP_MIC_SUP_TX TKIP_MIC_AUTH_RX /* offset to Supplicant MIC TX key */
1251 #define AES_KEY_SIZE 16 /* size of AES key */
1252
1253 #undef PACKED
1254 #if !defined(__GNUC__)
1255 #pragma pack()
1256 #endif
1257
1258 #endif /* _802_11_H_ */
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