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[ar7] let 802.1q tagged frames go in and out from cpmac (#6730)
[openwrt.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 */
13
14 #ifndef _802_11_H_
15 #define _802_11_H_
16
17 #ifndef _TYPEDEFS_H_
18 #include <typedefs.h>
19 #endif
20
21 #ifndef _NET_ETHERNET_H_
22 #include <proto/ethernet.h>
23 #endif
24
25 #include <proto/wpa.h>
26
27 /* enable structure packing */
28 #if defined(__GNUC__)
29 #define PACKED __attribute__((packed))
30 #else
31 #pragma pack(1)
32 #define PACKED
33 #endif
34
35 #define DOT11_TU_TO_US 1024 /* 802.11 Time Unit is 1024 microseconds */
36
37 /* Generic 802.11 frame constants */
38 #define DOT11_A3_HDR_LEN 24 /* d11 header length with A3 */
39 #define DOT11_A4_HDR_LEN 30 /* d11 header length with A4 */
40 #define DOT11_MAC_HDR_LEN DOT11_A3_HDR_LEN /* MAC header length */
41 #define DOT11_FCS_LEN 4 /* d11 FCS length */
42 #define DOT11_ICV_LEN 4 /* d11 ICV length */
43 #define DOT11_ICV_AES_LEN 8 /* d11 ICV/AES length */
44 #define DOT11_QOS_LEN 2 /* d11 QoS length */
45 #define DOT11_HTC_LEN 4 /* d11 HT Control field length */
46
47 #define DOT11_KEY_INDEX_SHIFT 6 /* d11 key index shift */
48 #define DOT11_IV_LEN 4 /* d11 IV length */
49 #define DOT11_IV_TKIP_LEN 8 /* d11 IV TKIP length */
50 #define DOT11_IV_AES_OCB_LEN 4 /* d11 IV/AES/OCB length */
51 #define DOT11_IV_AES_CCM_LEN 8 /* d11 IV/AES/CCM length */
52 #define DOT11_IV_MAX_LEN 8 /* maximum iv len for any encryption */
53
54 /* Includes MIC */
55 #define DOT11_MAX_MPDU_BODY_LEN 2304 /* max MPDU body length */
56 /* A4 header + QoS + CCMP + PDU + ICV + FCS = 2352 */
57 #define DOT11_MAX_MPDU_LEN (DOT11_A4_HDR_LEN + \
58 DOT11_QOS_LEN + \
59 DOT11_IV_AES_CCM_LEN + \
60 DOT11_MAX_MPDU_BODY_LEN + \
61 DOT11_ICV_LEN + \
62 DOT11_FCS_LEN) /* d11 max MPDU length */
63
64 #define DOT11_MAX_SSID_LEN 32 /* d11 max ssid length */
65
66 /* dot11RTSThreshold */
67 #define DOT11_DEFAULT_RTS_LEN 2347 /* d11 default RTS length */
68 #define DOT11_MAX_RTS_LEN 2347 /* d11 max RTS length */
69
70 /* dot11FragmentationThreshold */
71 #define DOT11_MIN_FRAG_LEN 256 /* d11 min fragmentation length */
72 #define DOT11_MAX_FRAG_LEN 2346 /* Max frag is also limited by aMPDUMaxLength
73 * of the attached PHY
74 */
75 #define DOT11_DEFAULT_FRAG_LEN 2346 /* d11 default fragmentation length */
76
77 /* dot11BeaconPeriod */
78 #define DOT11_MIN_BEACON_PERIOD 1 /* d11 min beacon period */
79 #define DOT11_MAX_BEACON_PERIOD 0xFFFF /* d11 max beacon period */
80
81 /* dot11DTIMPeriod */
82 #define DOT11_MIN_DTIM_PERIOD 1 /* d11 min DTIM period */
83 #define DOT11_MAX_DTIM_PERIOD 0xFF /* d11 max DTIM period */
84
85 /* 802.2 LLC/SNAP header used by 802.11 per 802.1H */
86 #define DOT11_LLC_SNAP_HDR_LEN 8 /* d11 LLC/SNAP header length */
87 #define DOT11_OUI_LEN 3 /* d11 OUI length */
88 struct dot11_llc_snap_header {
89 uint8 dsap; /* always 0xAA */
90 uint8 ssap; /* always 0xAA */
91 uint8 ctl; /* always 0x03 */
92 uint8 oui[DOT11_OUI_LEN]; /* RFC1042: 0x00 0x00 0x00
93 * Bridge-Tunnel: 0x00 0x00 0xF8
94 */
95 uint16 type; /* ethertype */
96 } PACKED;
97
98 /* RFC1042 header used by 802.11 per 802.1H */
99 #define RFC1042_HDR_LEN (ETHER_HDR_LEN + DOT11_LLC_SNAP_HDR_LEN) /* RCF1042 header length */
100
101 /* Generic 802.11 MAC header */
102 /*
103 * N.B.: This struct reflects the full 4 address 802.11 MAC header.
104 * The fields are defined such that the shorter 1, 2, and 3
105 * address headers just use the first k fields.
106 */
107 struct dot11_header {
108 uint16 fc; /* frame control */
109 uint16 durid; /* duration/ID */
110 struct ether_addr a1; /* address 1 */
111 struct ether_addr a2; /* address 2 */
112 struct ether_addr a3; /* address 3 */
113 uint16 seq; /* sequence control */
114 struct ether_addr a4; /* address 4 */
115 } PACKED;
116
117 /* Control frames */
118
119 struct dot11_rts_frame {
120 uint16 fc; /* frame control */
121 uint16 durid; /* duration/ID */
122 struct ether_addr ra; /* receiver address */
123 struct ether_addr ta; /* transmitter address */
124 } PACKED;
125 #define DOT11_RTS_LEN 16 /* d11 RTS frame length */
126
127 struct dot11_cts_frame {
128 uint16 fc; /* frame control */
129 uint16 durid; /* duration/ID */
130 struct ether_addr ra; /* receiver address */
131 } PACKED;
132 #define DOT11_CTS_LEN 10 /* d11 CTS frame length */
133
134 struct dot11_ack_frame {
135 uint16 fc; /* frame control */
136 uint16 durid; /* duration/ID */
137 struct ether_addr ra; /* receiver address */
138 } PACKED;
139 #define DOT11_ACK_LEN 10 /* d11 ACK frame length */
140
141 struct dot11_ps_poll_frame {
142 uint16 fc; /* frame control */
143 uint16 durid; /* AID */
144 struct ether_addr bssid; /* receiver address, STA in AP */
145 struct ether_addr ta; /* transmitter address */
146 } PACKED;
147 #define DOT11_PS_POLL_LEN 16 /* d11 PS poll frame length */
148
149 struct dot11_cf_end_frame {
150 uint16 fc; /* frame control */
151 uint16 durid; /* duration/ID */
152 struct ether_addr ra; /* receiver address */
153 struct ether_addr bssid; /* transmitter address, STA in AP */
154 } PACKED;
155 #define DOT11_CS_END_LEN 16 /* d11 CF-END frame length */
156
157 /* BA/BAR Control parameters */
158 #define DOT11_BA_CTL_POLICY_NORMAL 0x0000 /* normal ack */
159 #define DOT11_BA_CTL_POLICY_NOACK 0x0001 /* no ack */
160 #define DOT11_BA_CTL_POLICY_MASK 0x0001 /* ack policy mask */
161
162 #define DOT11_BA_CTL_MTID 0x0002 /* multi tid BA */
163 #define DOT11_BA_CTL_COMPRESSED 0x0004 /* compressed bitmap */
164
165 #define DOT11_BA_CTL_NUMMSDU_MASK 0x0FC0 /* num msdu in bitmap mask */
166 #define DOT11_BA_CTL_NUMMSDU_SHIFT 6 /* num msdu in bitmap shift */
167
168 #define DOT11_BA_CTL_TID_MASK 0xF000 /* tid mask */
169 #define DOT11_BA_CTL_TID_SHIFT 12 /* tid shift */
170
171 struct dot11_ba_req_frame {
172 uint16 fc; /* frame control */
173 uint16 durid; /* duration/ID */
174 struct ether_addr ra; /* receiver address */
175 struct ether_addr ta; /* transmitter address */
176 uint16 bar_control; /* BAR Control */
177 uint16 seqnum; /* Starting Sequence control */
178 } PACKED;
179 #define DOT11_BA_REQ_LEN 20 /* BAR frame length */
180
181 #define DOT11_BA_BITMAP_LEN 128 /* bitmap length */
182 #define DOT11_BA_CMP_BITMAP_LEN 8 /* compressed bitmap length */
183 struct dot11_ba_frame {
184 uint16 fc; /* frame control */
185 uint16 durid; /* duration/ID */
186 struct ether_addr ra; /* receiver address */
187 struct ether_addr ta; /* transmitter address */
188 uint16 ba_control; /* BA Control */
189 uint16 seqnum; /* Starting Sequence control */
190 uint8 bitmap[DOT11_BA_BITMAP_LEN]; /* Block Ack Bitmap */
191 } PACKED;
192 #define DOT11_BA_LEN 20 /* BA frame length (without bitmap) */
193
194 /* Management frame header */
195 struct dot11_management_header {
196 uint16 fc; /* frame control */
197 uint16 durid; /* duration/ID */
198 struct ether_addr da; /* receiver address */
199 struct ether_addr sa; /* transmitter address */
200 struct ether_addr bssid; /* BSS ID */
201 uint16 seq; /* sequence control */
202 } PACKED;
203 #define DOT11_MGMT_HDR_LEN 24 /* d11 management header length */
204
205 /* Management frame payloads */
206
207 struct dot11_bcn_prb {
208 uint32 timestamp[2];
209 uint16 beacon_interval;
210 uint16 capability;
211 } PACKED;
212 #define DOT11_BCN_PRB_LEN 12 /* d11 beacon probe frame length */
213
214 struct dot11_auth {
215 uint16 alg; /* algorithm */
216 uint16 seq; /* sequence control */
217 uint16 status; /* status code */
218 } PACKED;
219 #define DOT11_AUTH_FIXED_LEN 6 /* length of auth frame without challenge info
220 * elt
221 */
222
223 struct dot11_assoc_req {
224 uint16 capability; /* capability information */
225 uint16 listen; /* listen interval */
226 } PACKED;
227 #define DOT11_ASSOC_REQ_FIXED_LEN 4 /* length of assoc frame without info elts */
228
229 struct dot11_reassoc_req {
230 uint16 capability; /* capability information */
231 uint16 listen; /* listen interval */
232 struct ether_addr ap; /* Current AP address */
233 } PACKED;
234 #define DOT11_REASSOC_REQ_FIXED_LEN 10 /* length of assoc frame without info elts */
235
236 struct dot11_assoc_resp {
237 uint16 capability; /* capability information */
238 uint16 status; /* status code */
239 uint16 aid; /* association ID */
240 } PACKED;
241
242 struct dot11_action_measure {
243 uint8 category;
244 uint8 action;
245 uint8 token;
246 uint8 data[1];
247 } PACKED;
248 #define DOT11_ACTION_MEASURE_LEN 3 /* d11 action measurement header length */
249
250 struct dot11_action_switch_channel {
251 uint8 category;
252 uint8 action;
253 uint8 data[5]; /* for switch IE */
254 } PACKED;
255
256 struct dot11_action_ht_ch_width {
257 uint8 category;
258 uint8 action;
259 uint8 ch_width;
260 } PACKED;
261
262 struct dot11_action_ht_mimops {
263 uint8 category;
264 uint8 action;
265 uint8 enable;
266 uint8 psmode;
267 } PACKED;
268
269 /* ************* 802.11h related definitions. ************* */
270 typedef struct {
271 uint8 id;
272 uint8 len;
273 uint8 power;
274 } dot11_power_cnst_t;
275
276 typedef struct {
277 uint8 min;
278 uint8 max;
279 } dot11_power_cap_t;
280
281 typedef struct {
282 uint8 id;
283 uint8 len;
284 uint8 tx_pwr;
285 uint8 margin;
286 } dot11_tpc_rep_t;
287 #define DOT11_MNG_IE_TPC_REPORT_LEN 2 /* length of IE data, not including 2 byte header */
288
289 typedef struct {
290 uint8 id;
291 uint8 len;
292 uint8 first_channel;
293 uint8 num_channels;
294 } dot11_supp_channels_t;
295
296 /* channel switch announcement (CSA) mode type - 802.11h-2003 $7.3.2.20 */
297 #define DOT11_CSA_MODE_ADVISORY 0 /* no DOT11_CSA_MODE_NO_TX restriction imposed */
298 #define DOT11_CSA_MODE_NO_TX 1 /* no transmission upon receiving CSA frame. */
299
300 /* CSA IE data structure */
301 struct dot11_channel_switch {
302 uint8 id;
303 uint8 len;
304 uint8 mode;
305 uint8 channel;
306 uint8 count;
307 } PACKED;
308 typedef struct dot11_channel_switch dot11_channel_switch_t;
309
310 #define DOT11_SWITCH_IE_LEN 3 /* length of IE data, not including 2 byte header */
311
312 /* 802.11h Measurement Request/Report IEs */
313 /* Measurement Type field */
314 #define DOT11_MEASURE_TYPE_BASIC 0 /* d11 measurement basic type */
315 #define DOT11_MEASURE_TYPE_CCA 1 /* d11 measurement CCA type */
316 #define DOT11_MEASURE_TYPE_RPI 2 /* d11 measurement PRI type */
317
318 /* Measurement Mode field */
319
320 /* Measurement Request Modes */
321 #define DOT11_MEASURE_MODE_ENABLE (1<<1) /* d11 measurement enable */
322 #define DOT11_MEASURE_MODE_REQUEST (1<<2) /* d11 measurement request */
323 #define DOT11_MEASURE_MODE_REPORT (1<<3) /* d11 measurement report */
324 /* Measurement Report Modes */
325 #define DOT11_MEASURE_MODE_LATE (1<<0) /* d11 measurement late */
326 #define DOT11_MEASURE_MODE_INCAPABLE (1<<1) /* d11 measurement incapable */
327 #define DOT11_MEASURE_MODE_REFUSED (1<<2) /* d11 measurement refuse */
328 /* Basic Measurement Map bits */
329 #define DOT11_MEASURE_BASIC_MAP_BSS ((uint8)(1<<0)) /* d11 measurement basic map BSS */
330 #define DOT11_MEASURE_BASIC_MAP_OFDM ((uint8)(1<<1)) /* d11 measurement map OFDM */
331 #define DOT11_MEASURE_BASIC_MAP_UKNOWN ((uint8)(1<<2)) /* d11 measurement map unknown */
332 #define DOT11_MEASURE_BASIC_MAP_RADAR ((uint8)(1<<3)) /* d11 measurement map radar */
333 #define DOT11_MEASURE_BASIC_MAP_UNMEAS ((uint8)(1<<4)) /* d11 measurement map unmeasuremnt */
334
335 typedef struct {
336 uint8 id;
337 uint8 len;
338 uint8 token;
339 uint8 mode;
340 uint8 type;
341 uint8 channel;
342 uint8 start_time[8];
343 uint16 duration;
344 } dot11_meas_req_t;
345 #define DOT11_MNG_IE_MREQ_LEN 14 /* d11 measurement request IE length */
346 /* length of Measure Request IE data not including variable len */
347 #define DOT11_MNG_IE_MREQ_FIXED_LEN 3 /* d11 measurement request IE fixed length */
348
349 struct dot11_meas_rep {
350 uint8 id;
351 uint8 len;
352 uint8 token;
353 uint8 mode;
354 uint8 type;
355 union
356 {
357 struct {
358 uint8 channel;
359 uint8 start_time[8];
360 uint16 duration;
361 uint8 map;
362 } PACKED basic;
363 uint8 data[1];
364 } PACKED rep;
365 } PACKED;
366 typedef struct dot11_meas_rep dot11_meas_rep_t;
367
368 /* length of Measure Report IE data not including variable len */
369 #define DOT11_MNG_IE_MREP_FIXED_LEN 3 /* d11 measurement response IE fixed length */
370
371 struct dot11_meas_rep_basic {
372 uint8 channel;
373 uint8 start_time[8];
374 uint16 duration;
375 uint8 map;
376 } PACKED;
377 typedef struct dot11_meas_rep_basic dot11_meas_rep_basic_t;
378 #define DOT11_MEASURE_BASIC_REP_LEN 12 /* d11 measurement basic report length */
379
380 struct dot11_quiet {
381 uint8 id;
382 uint8 len;
383 uint8 count; /* TBTTs until beacon interval in quiet starts */
384 uint8 period; /* Beacon intervals between periodic quiet periods ? */
385 uint16 duration; /* Length of quiet period, in TU's */
386 uint16 offset; /* TU's offset from TBTT in Count field */
387 } PACKED;
388 typedef struct dot11_quiet dot11_quiet_t;
389
390 typedef struct {
391 uint8 channel;
392 uint8 map;
393 } chan_map_tuple_t;
394
395 typedef struct {
396 uint8 id;
397 uint8 len;
398 uint8 eaddr[ETHER_ADDR_LEN];
399 uint8 interval;
400 chan_map_tuple_t map[1];
401 } dot11_ibss_dfs_t;
402
403 /* WME Elements */
404 #define WME_OUI "\x00\x50\xf2" /* WME OUI */
405 #define WME_VER 1 /* WME version */
406 #define WME_TYPE 2 /* WME type */
407 #define WME_SUBTYPE_IE 0 /* Information Element */
408 #define WME_SUBTYPE_PARAM_IE 1 /* Parameter Element */
409 #define WME_SUBTYPE_TSPEC 2 /* Traffic Specification */
410
411 /* WME Access Category Indices (ACIs) */
412 #define AC_BE 0 /* Best Effort */
413 #define AC_BK 1 /* Background */
414 #define AC_VI 2 /* Video */
415 #define AC_VO 3 /* Voice */
416 #define AC_COUNT 4 /* number of ACs */
417
418 typedef uint8 ac_bitmap_t; /* AC bitmap of (1 << AC_xx) */
419
420 #define AC_BITMAP_NONE 0x0 /* No ACs */
421 #define AC_BITMAP_ALL 0xf /* All ACs */
422 #define AC_BITMAP_TST(ab, ac) (((ab) & (1 << (ac))) != 0)
423
424 /* WME Information Element (IE) */
425 struct wme_ie {
426 uint8 oui[3];
427 uint8 type;
428 uint8 subtype;
429 uint8 version;
430 uint8 qosinfo;
431 } PACKED;
432 typedef struct wme_ie wme_ie_t;
433 #define WME_IE_LEN 7 /* WME IE length */
434
435 struct edcf_acparam {
436 uint8 ACI;
437 uint8 ECW;
438 uint16 TXOP; /* stored in network order (ls octet first) */
439 } PACKED;
440 typedef struct edcf_acparam edcf_acparam_t;
441
442 /* WME Parameter Element (PE) */
443 struct wme_param_ie {
444 uint8 oui[3];
445 uint8 type;
446 uint8 subtype;
447 uint8 version;
448 uint8 qosinfo;
449 uint8 rsvd;
450 edcf_acparam_t acparam[AC_COUNT];
451 } PACKED;
452 typedef struct wme_param_ie wme_param_ie_t;
453 #define WME_PARAM_IE_LEN 24 /* WME Parameter IE length */
454
455 /* QoS Info field for IE as sent from AP */
456 #define WME_QI_AP_APSD_MASK 0x80 /* U-APSD Supported mask */
457 #define WME_QI_AP_APSD_SHIFT 7 /* U-APSD Supported shift */
458 #define WME_QI_AP_COUNT_MASK 0x0f /* Parameter set count mask */
459 #define WME_QI_AP_COUNT_SHIFT 0 /* Parameter set count shift */
460
461 /* QoS Info field for IE as sent from STA */
462 #define WME_QI_STA_MAXSPLEN_MASK 0x60 /* Max Service Period Length mask */
463 #define WME_QI_STA_MAXSPLEN_SHIFT 5 /* Max Service Period Length shift */
464 #define WME_QI_STA_APSD_ALL_MASK 0xf /* APSD all AC bits mask */
465 #define WME_QI_STA_APSD_ALL_SHIFT 0 /* APSD all AC bits shift */
466 #define WME_QI_STA_APSD_BE_MASK 0x8 /* APSD AC_BE mask */
467 #define WME_QI_STA_APSD_BE_SHIFT 3 /* APSD AC_BE shift */
468 #define WME_QI_STA_APSD_BK_MASK 0x4 /* APSD AC_BK mask */
469 #define WME_QI_STA_APSD_BK_SHIFT 2 /* APSD AC_BK shift */
470 #define WME_QI_STA_APSD_VI_MASK 0x2 /* APSD AC_VI mask */
471 #define WME_QI_STA_APSD_VI_SHIFT 1 /* APSD AC_VI shift */
472 #define WME_QI_STA_APSD_VO_MASK 0x1 /* APSD AC_VO mask */
473 #define WME_QI_STA_APSD_VO_SHIFT 0 /* APSD AC_VO shift */
474
475 /* ACI */
476 #define EDCF_AIFSN_MIN 1 /* AIFSN minimum value */
477 #define EDCF_AIFSN_MAX 15 /* AIFSN maximum value */
478 #define EDCF_AIFSN_MASK 0x0f /* AIFSN mask */
479 #define EDCF_ACM_MASK 0x10 /* ACM mask */
480 #define EDCF_ACI_MASK 0x60 /* ACI mask */
481 #define EDCF_ACI_SHIFT 5 /* ACI shift */
482
483 /* ECW */
484 #define EDCF_ECW_MIN 0 /* cwmin/cwmax exponent minimum value */
485 #define EDCF_ECW_MAX 15 /* cwmin/cwmax exponent maximum value */
486 #define EDCF_ECW2CW(exp) ((1 << (exp)) - 1)
487 #define EDCF_ECWMIN_MASK 0x0f /* cwmin exponent form mask */
488 #define EDCF_ECWMAX_MASK 0xf0 /* cwmax exponent form mask */
489 #define EDCF_ECWMAX_SHIFT 4 /* cwmax exponent form shift */
490
491 /* TXOP */
492 #define EDCF_TXOP_MIN 0 /* TXOP minimum value */
493 #define EDCF_TXOP_MAX 65535 /* TXOP maximum value */
494 #define EDCF_TXOP2USEC(txop) ((txop) << 5)
495
496 /* Default EDCF parameters that AP advertises for STA to use; WMM draft Table 12 */
497 #define EDCF_AC_BE_ACI_STA 0x03 /* STA ACI value for best effort AC */
498 #define EDCF_AC_BE_ECW_STA 0xA4 /* STA ECW value for best effort AC */
499 #define EDCF_AC_BE_TXOP_STA 0x0000 /* STA TXOP value for best effort AC */
500 #define EDCF_AC_BK_ACI_STA 0x27 /* STA ACI value for background AC */
501 #define EDCF_AC_BK_ECW_STA 0xA4 /* STA ECW value for background AC */
502 #define EDCF_AC_BK_TXOP_STA 0x0000 /* STA TXOP value for background AC */
503 #define EDCF_AC_VI_ACI_STA 0x42 /* STA ACI value for video AC */
504 #define EDCF_AC_VI_ECW_STA 0x43 /* STA ECW value for video AC */
505 #define EDCF_AC_VI_TXOP_STA 0x005e /* STA TXOP value for video AC */
506 #define EDCF_AC_VO_ACI_STA 0x62 /* STA ACI value for audio AC */
507 #define EDCF_AC_VO_ECW_STA 0x32 /* STA ECW value for audio AC */
508 #define EDCF_AC_VO_TXOP_STA 0x002f /* STA TXOP value for audio AC */
509
510 /* Default EDCF parameters that AP uses; WMM draft Table 14 */
511 #define EDCF_AC_BE_ACI_AP 0x03 /* AP ACI value for best effort AC */
512 #define EDCF_AC_BE_ECW_AP 0x64 /* AP ECW value for best effort AC */
513 #define EDCF_AC_BE_TXOP_AP 0x0000 /* AP TXOP value for best effort AC */
514 #define EDCF_AC_BK_ACI_AP 0x27 /* AP ACI value for background AC */
515 #define EDCF_AC_BK_ECW_AP 0xA4 /* AP ECW value for background AC */
516 #define EDCF_AC_BK_TXOP_AP 0x0000 /* AP TXOP value for background AC */
517 #define EDCF_AC_VI_ACI_AP 0x41 /* AP ACI value for video AC */
518 #define EDCF_AC_VI_ECW_AP 0x43 /* AP ECW value for video AC */
519 #define EDCF_AC_VI_TXOP_AP 0x005e /* AP TXOP value for video AC */
520 #define EDCF_AC_VO_ACI_AP 0x61 /* AP ACI value for audio AC */
521 #define EDCF_AC_VO_ECW_AP 0x32 /* AP ECW value for audio AC */
522 #define EDCF_AC_VO_TXOP_AP 0x002f /* AP TXOP value for audio AC */
523
524 struct dot11_qbss_load_ie {
525 uint8 id; /* 11, DOT11_MNG_QBSS_LOAD_ID */
526 uint8 length;
527 uint16 station_count; /* total number of STAs associated */
528 uint8 channel_utilization; /* % of time, normalized to 255, QAP sensed medium busy */
529 uint16 aac; /* available admission capacity */
530 } PACKED;
531 typedef struct dot11_qbss_load_ie dot11_qbss_load_ie_t;
532
533 /* nom_msdu_size */
534 #define FIXED_MSDU_SIZE 0x8000 /* MSDU size is fixed */
535 #define MSDU_SIZE_MASK 0x7fff /* (Nominal or fixed) MSDU size */
536
537 /* surplus_bandwidth */
538 /* Represented as 3 bits of integer, binary point, 13 bits fraction */
539 #define INTEGER_SHIFT 13 /* integer shift */
540 #define FRACTION_MASK 0x1FFF /* fraction mask */
541
542 /* Management Notification Frame */
543 struct dot11_management_notification {
544 uint8 category; /* DOT11_ACTION_NOTIFICATION */
545 uint8 action;
546 uint8 token;
547 uint8 status;
548 uint8 data[1]; /* Elements */
549 } PACKED;
550 #define DOT11_MGMT_NOTIFICATION_LEN 4 /* Fixed length */
551
552 /* WME Action Codes */
553 #define WME_ADDTS_REQUEST 0 /* WME ADDTS request */
554 #define WME_ADDTS_RESPONSE 1 /* WME ADDTS response */
555 #define WME_DELTS_REQUEST 2 /* WME DELTS request */
556
557 /* WME Setup Response Status Codes */
558 #define WME_ADMISSION_ACCEPTED 0 /* WME admission accepted */
559 #define WME_INVALID_PARAMETERS 1 /* WME invalide parameters */
560 #define WME_ADMISSION_REFUSED 3 /* WME admission refused */
561
562 /* Macro to take a pointer to a beacon or probe response
563 * header and return the char* pointer to the SSID info element
564 */
565 #define BCN_PRB_SSID(hdr) ((char*)(hdr) + DOT11_MGMT_HDR_LEN + DOT11_BCN_PRB_LEN)
566
567 /* Authentication frame payload constants */
568 #define DOT11_OPEN_SYSTEM 0 /* d11 open authentication */
569 #define DOT11_SHARED_KEY 1 /* d11 shared authentication */
570 #define DOT11_CHALLENGE_LEN 128 /* d11 chanllenge text length */
571
572 /* Frame control macros */
573 #define FC_PVER_MASK 0x3 /* PVER mask */
574 #define FC_PVER_SHIFT 0 /* PVER shift */
575 #define FC_TYPE_MASK 0xC /* type mask */
576 #define FC_TYPE_SHIFT 2 /* type shift */
577 #define FC_SUBTYPE_MASK 0xF0 /* subtype mask */
578 #define FC_SUBTYPE_SHIFT 4 /* subtype shift */
579 #define FC_TODS 0x100 /* to DS */
580 #define FC_TODS_SHIFT 8 /* to DS shift */
581 #define FC_FROMDS 0x200 /* from DS */
582 #define FC_FROMDS_SHIFT 9 /* from DS shift */
583 #define FC_MOREFRAG 0x400 /* more frag. */
584 #define FC_MOREFRAG_SHIFT 10 /* more frag. shift */
585 #define FC_RETRY 0x800 /* retry */
586 #define FC_RETRY_SHIFT 11 /* retry shift */
587 #define FC_PM 0x1000 /* PM */
588 #define FC_PM_SHIFT 12 /* PM shift */
589 #define FC_MOREDATA 0x2000 /* more data */
590 #define FC_MOREDATA_SHIFT 13 /* more data shift */
591 #define FC_WEP 0x4000 /* WEP */
592 #define FC_WEP_SHIFT 14 /* WEP shift */
593 #define FC_ORDER 0x8000 /* order */
594 #define FC_ORDER_SHIFT 15 /* order shift */
595
596 /* sequence control macros */
597 #define SEQNUM_SHIFT 4 /* seq. number shift */
598 #define SEQNUM_MAX 0x1000 /* max seqnum + 1 */
599 #define FRAGNUM_MASK 0xF /* frag. number mask */
600
601 /* Frame Control type/subtype defs */
602
603 /* FC Types */
604 #define FC_TYPE_MNG 0 /* management type */
605 #define FC_TYPE_CTL 1 /* control type */
606 #define FC_TYPE_DATA 2 /* data type */
607
608 /* Management Subtypes */
609 #define FC_SUBTYPE_ASSOC_REQ 0 /* assoc. request */
610 #define FC_SUBTYPE_ASSOC_RESP 1 /* assoc. response */
611 #define FC_SUBTYPE_REASSOC_REQ 2 /* reassoc. request */
612 #define FC_SUBTYPE_REASSOC_RESP 3 /* reassoc. response */
613 #define FC_SUBTYPE_PROBE_REQ 4 /* probe request */
614 #define FC_SUBTYPE_PROBE_RESP 5 /* probe response */
615 #define FC_SUBTYPE_BEACON 8 /* beacon */
616 #define FC_SUBTYPE_ATIM 9 /* ATIM */
617 #define FC_SUBTYPE_DISASSOC 10 /* disassoc. */
618 #define FC_SUBTYPE_AUTH 11 /* authentication */
619 #define FC_SUBTYPE_DEAUTH 12 /* de-authentication */
620 #define FC_SUBTYPE_ACTION 13 /* action */
621
622 /* Control Subtypes */
623 #define FC_SUBTYPE_BLOCKACK_REQ 8 /* Block Ack Req */
624 #define FC_SUBTYPE_BLOCKACK 9 /* Block Ack */
625 #define FC_SUBTYPE_PS_POLL 10 /* PS poll */
626 #define FC_SUBTYPE_RTS 11 /* RTS */
627 #define FC_SUBTYPE_CTS 12 /* CTS */
628 #define FC_SUBTYPE_ACK 13 /* ACK */
629 #define FC_SUBTYPE_CF_END 14 /* CF-END */
630 #define FC_SUBTYPE_CF_END_ACK 15 /* CF-END ACK */
631
632 /* Data Subtypes */
633 #define FC_SUBTYPE_DATA 0 /* Data */
634 #define FC_SUBTYPE_DATA_CF_ACK 1 /* Data + CF-ACK */
635 #define FC_SUBTYPE_DATA_CF_POLL 2 /* Data + CF-Poll */
636 #define FC_SUBTYPE_DATA_CF_ACK_POLL 3 /* Data + CF-Ack + CF-Poll */
637 #define FC_SUBTYPE_NULL 4 /* Null */
638 #define FC_SUBTYPE_CF_ACK 5 /* CF-Ack */
639 #define FC_SUBTYPE_CF_POLL 6 /* CF-Poll */
640 #define FC_SUBTYPE_CF_ACK_POLL 7 /* CF-Ack + CF-Poll */
641 #define FC_SUBTYPE_QOS_DATA 8 /* QoS Data */
642 #define FC_SUBTYPE_QOS_DATA_CF_ACK 9 /* QoS Data + CF-Ack */
643 #define FC_SUBTYPE_QOS_DATA_CF_POLL 10 /* QoS Data + CF-Poll */
644 #define FC_SUBTYPE_QOS_DATA_CF_ACK_POLL 11 /* QoS Data + CF-Ack + CF-Poll */
645 #define FC_SUBTYPE_QOS_NULL 12 /* QoS Null */
646 #define FC_SUBTYPE_QOS_CF_POLL 14 /* QoS CF-Poll */
647 #define FC_SUBTYPE_QOS_CF_ACK_POLL 15 /* QoS CF-Ack + CF-Poll */
648
649 /* Data Subtype Groups */
650 #define FC_SUBTYPE_ANY_QOS(s) (((s) & 8) != 0)
651 #define FC_SUBTYPE_ANY_NULL(s) (((s) & 4) != 0)
652 #define FC_SUBTYPE_ANY_CF_POLL(s) (((s) & 2) != 0)
653 #define FC_SUBTYPE_ANY_CF_ACK(s) (((s) & 1) != 0)
654
655 /* Type/Subtype Combos */
656 #define FC_KIND_MASK (FC_TYPE_MASK | FC_SUBTYPE_MASK) /* FC kind mask */
657
658 #define FC_KIND(t, s) (((t) << FC_TYPE_SHIFT) | ((s) << FC_SUBTYPE_SHIFT)) /* FC kind */
659
660 #define FC_SUBTYPE(fc) (((fc) & FC_SUBTYPE_MASK) >> FC_SUBTYPE_SHIFT) /* Subtype from FC */
661 #define FC_TYPE(fc) (((fc) & FC_TYPE_MASK) >> FC_TYPE_SHIFT) /* Type from FC */
662
663 #define FC_ASSOC_REQ FC_KIND(FC_TYPE_MNG, FC_SUBTYPE_ASSOC_REQ) /* assoc. request */
664 #define FC_ASSOC_RESP FC_KIND(FC_TYPE_MNG, FC_SUBTYPE_ASSOC_RESP) /* assoc. response */
665 #define FC_REASSOC_REQ FC_KIND(FC_TYPE_MNG, FC_SUBTYPE_REASSOC_REQ) /* reassoc. request */
666 #define FC_REASSOC_RESP FC_KIND(FC_TYPE_MNG, FC_SUBTYPE_REASSOC_RESP) /* reassoc. response */
667 #define FC_PROBE_REQ FC_KIND(FC_TYPE_MNG, FC_SUBTYPE_PROBE_REQ) /* probe request */
668 #define FC_PROBE_RESP FC_KIND(FC_TYPE_MNG, FC_SUBTYPE_PROBE_RESP) /* probe response */
669 #define FC_BEACON FC_KIND(FC_TYPE_MNG, FC_SUBTYPE_BEACON) /* beacon */
670 #define FC_DISASSOC FC_KIND(FC_TYPE_MNG, FC_SUBTYPE_DISASSOC) /* disassoc */
671 #define FC_AUTH FC_KIND(FC_TYPE_MNG, FC_SUBTYPE_AUTH) /* authentication */
672 #define FC_DEAUTH FC_KIND(FC_TYPE_MNG, FC_SUBTYPE_DEAUTH) /* deauthentication */
673 #define FC_ACTION FC_KIND(FC_TYPE_MNG, FC_SUBTYPE_ACTION) /* action */
674
675 #define FC_BLOCKACK_REQ FC_KIND(FC_TYPE_CTL, FC_SUBTYPE_BLOCKACK_REQ) /* Block Ack Req */
676 #define FC_BLOCKACK FC_KIND(FC_TYPE_CTL, FC_SUBTYPE_BLOCKACK) /* Block Ack */
677 #define FC_PS_POLL FC_KIND(FC_TYPE_CTL, FC_SUBTYPE_PS_POLL) /* PS poll */
678 #define FC_RTS FC_KIND(FC_TYPE_CTL, FC_SUBTYPE_RTS) /* RTS */
679 #define FC_CTS FC_KIND(FC_TYPE_CTL, FC_SUBTYPE_CTS) /* CTS */
680 #define FC_ACK FC_KIND(FC_TYPE_CTL, FC_SUBTYPE_ACK) /* ACK */
681 #define FC_CF_END FC_KIND(FC_TYPE_CTL, FC_SUBTYPE_CF_END) /* CF-END */
682 #define FC_CF_END_ACK FC_KIND(FC_TYPE_CTL, FC_SUBTYPE_CF_END_ACK) /* CF-END ACK */
683
684 #define FC_DATA FC_KIND(FC_TYPE_DATA, FC_SUBTYPE_DATA) /* data */
685 #define FC_NULL_DATA FC_KIND(FC_TYPE_DATA, FC_SUBTYPE_NULL) /* null data */
686 #define FC_DATA_CF_ACK FC_KIND(FC_TYPE_DATA, FC_SUBTYPE_DATA_CF_ACK) /* data CF ACK */
687 #define FC_QOS_DATA FC_KIND(FC_TYPE_DATA, FC_SUBTYPE_QOS_DATA) /* QoS data */
688 #define FC_QOS_NULL FC_KIND(FC_TYPE_DATA, FC_SUBTYPE_QOS_NULL) /* QoS null */
689
690 /* QoS Control Field */
691
692 /* 802.1D Priority */
693 #define QOS_PRIO_SHIFT 0 /* QoS priority shift */
694 #define QOS_PRIO_MASK 0x0007 /* QoS priority mask */
695 #define QOS_PRIO(qos) (((qos) & QOS_PRIO_MASK) >> QOS_PRIO_SHIFT) /* QoS priority */
696
697 /* Traffic Identifier */
698 #define QOS_TID_SHIFT 0 /* QoS TID shift */
699 #define QOS_TID_MASK 0x000f /* QoS TID mask */
700 #define QOS_TID(qos) (((qos) & QOS_TID_MASK) >> QOS_TID_SHIFT) /* QoS TID */
701
702 /* End of Service Period (U-APSD) */
703 #define QOS_EOSP_SHIFT 4 /* QoS End of Service Period shift */
704 #define QOS_EOSP_MASK 0x0010 /* QoS End of Service Period mask */
705 #define QOS_EOSP(qos) (((qos) & QOS_EOSP_MASK) >> QOS_EOSP_SHIFT) /* Qos EOSP */
706
707 /* Ack Policy */
708 #define QOS_ACK_NORMAL_ACK 0 /* Normal Ack */
709 #define QOS_ACK_NO_ACK 1 /* No Ack (eg mcast) */
710 #define QOS_ACK_NO_EXP_ACK 2 /* No Explicit Ack */
711 #define QOS_ACK_BLOCK_ACK 3 /* Block Ack */
712 #define QOS_ACK_SHIFT 5 /* QoS ACK shift */
713 #define QOS_ACK_MASK 0x0060 /* QoS ACK mask */
714 #define QOS_ACK(qos) (((qos) & QOS_ACK_MASK) >> QOS_ACK_SHIFT) /* QoS ACK */
715
716 /* A-MSDU flag */
717 #define QOS_AMSDU_SHIFT 7 /* AMSDU shift */
718 #define QOS_AMSDU_MASK 0x0080 /* AMSDU mask */
719
720 /* Management Frames */
721
722 /* Management Frame Constants */
723
724 /* Fixed fields */
725 #define DOT11_MNG_AUTH_ALGO_LEN 2 /* d11 management auth. algo. length */
726 #define DOT11_MNG_AUTH_SEQ_LEN 2 /* d11 management auth. seq. length */
727 #define DOT11_MNG_BEACON_INT_LEN 2 /* d11 management beacon interval length */
728 #define DOT11_MNG_CAP_LEN 2 /* d11 management cap. length */
729 #define DOT11_MNG_AP_ADDR_LEN 6 /* d11 management AP address length */
730 #define DOT11_MNG_LISTEN_INT_LEN 2 /* d11 management listen interval length */
731 #define DOT11_MNG_REASON_LEN 2 /* d11 management reason length */
732 #define DOT11_MNG_AID_LEN 2 /* d11 management AID length */
733 #define DOT11_MNG_STATUS_LEN 2 /* d11 management status length */
734 #define DOT11_MNG_TIMESTAMP_LEN 8 /* d11 management timestamp length */
735
736 /* DUR/ID field in assoc resp is 0xc000 | AID */
737 #define DOT11_AID_MASK 0x3fff /* d11 AID mask */
738
739 /* Reason Codes */
740 #define DOT11_RC_RESERVED 0 /* d11 RC reserved */
741 #define DOT11_RC_UNSPECIFIED 1 /* Unspecified reason */
742 #define DOT11_RC_AUTH_INVAL 2 /* Previous authentication no longer
743 * valid
744 */
745 #define DOT11_RC_DEAUTH_LEAVING 3 /* Deauthenticated because sending station
746 * is leaving (or has left) IBSS or ESS
747 */
748 #define DOT11_RC_INACTIVITY 4 /* Disassociated due to inactivity */
749 #define DOT11_RC_BUSY 5 /* Disassociated because AP is unable
750 * to handle all currently associated
751 * stations
752 */
753 #define DOT11_RC_INVAL_CLASS_2 6 /* Class 2 frame received from
754 * nonauthenticated station
755 */
756 #define DOT11_RC_INVAL_CLASS_3 7 /* Class 3 frame received from
757 * nonassociated station
758 */
759 #define DOT11_RC_DISASSOC_LEAVING 8 /* Disassociated because sending station is
760 * leaving (or has left) BSS
761 */
762 #define DOT11_RC_NOT_AUTH 9 /* Station requesting (re)association is
763 * not authenticated with responding
764 * station
765 */
766 #define DOT11_RC_MAX 23 /* Reason codes > 23 are reserved */
767
768 /* Status Codes */
769 #define DOT11_STATUS_SUCCESS 0 /* Successful */
770 #define DOT11_STATUS_FAILURE 1 /* Unspecified failure */
771 #define DOT11_STATUS_CAP_MISMATCH 10 /* Cannot support all requested
772 * capabilities in the Capability
773 * Information field
774 */
775 #define DOT11_STATUS_REASSOC_FAIL 11 /* Reassociation denied due to inability
776 * to confirm that association exists
777 */
778 #define DOT11_STATUS_ASSOC_FAIL 12 /* Association denied due to reason
779 * outside the scope of this standard
780 */
781 #define DOT11_STATUS_AUTH_MISMATCH 13 /* Responding station does not support
782 * the specified authentication
783 * algorithm
784 */
785 #define DOT11_STATUS_AUTH_SEQ 14 /* Received an Authentication frame
786 * with authentication transaction
787 * sequence number out of expected
788 * sequence
789 */
790 #define DOT11_STATUS_AUTH_CHALLENGE_FAIL 15 /* Authentication rejected because of
791 * challenge failure
792 */
793 #define DOT11_STATUS_AUTH_TIMEOUT 16 /* Authentication rejected due to timeout
794 * waiting for next frame in sequence
795 */
796 #define DOT11_STATUS_ASSOC_BUSY_FAIL 17 /* Association denied because AP is
797 * unable to handle additional
798 * associated stations
799 */
800 #define DOT11_STATUS_ASSOC_RATE_MISMATCH 18 /* Association denied due to requesting
801 * station not supporting all of the
802 * data rates in the BSSBasicRateSet
803 * parameter
804 */
805 #define DOT11_STATUS_ASSOC_SHORT_REQUIRED 19 /* Association denied due to requesting
806 * station not supporting the Short
807 * Preamble option
808 */
809 #define DOT11_STATUS_ASSOC_PBCC_REQUIRED 20 /* Association denied due to requesting
810 * station not supporting the PBCC
811 * Modulation option
812 */
813 #define DOT11_STATUS_ASSOC_AGILITY_REQUIRED 21 /* Association denied due to requesting
814 * station not supporting the Channel
815 * Agility option
816 */
817 #define DOT11_STATUS_ASSOC_SPECTRUM_REQUIRED 22 /* Association denied because Spectrum
818 * Management capability is required.
819 */
820 #define DOT11_STATUS_ASSOC_BAD_POWER_CAP 23 /* Association denied because the info
821 * in the Power Cap element is
822 * unacceptable.
823 */
824 #define DOT11_STATUS_ASSOC_BAD_SUP_CHANNELS 24 /* Association denied because the info
825 * in the Supported Channel element is
826 * unacceptable
827 */
828 #define DOT11_STATUS_ASSOC_SHORTSLOT_REQUIRED 25 /* Association denied due to requesting
829 * station not supporting the Short Slot
830 * Time option
831 */
832 #define DOT11_STATUS_ASSOC_ERPBCC_REQUIRED 26 /* Association denied due to requesting
833 * station not supporting the ER-PBCC
834 * Modulation option
835 */
836 #define DOT11_STATUS_ASSOC_DSSOFDM_REQUIRED 27 /* Association denied due to requesting
837 * station not supporting the DSS-OFDM
838 * option
839 */
840
841 /* Info Elts, length of INFORMATION portion of Info Elts */
842 #define DOT11_MNG_DS_PARAM_LEN 1 /* d11 management DS parameter length */
843 #define DOT11_MNG_IBSS_PARAM_LEN 2 /* d11 management IBSS parameter length */
844
845 /* TIM Info element has 3 bytes fixed info in INFORMATION field,
846 * followed by 1 to 251 bytes of Partial Virtual Bitmap
847 */
848 #define DOT11_MNG_TIM_FIXED_LEN 3 /* d11 management TIM fixed length */
849 #define DOT11_MNG_TIM_DTIM_COUNT 0 /* d11 management DTIM count */
850 #define DOT11_MNG_TIM_DTIM_PERIOD 1 /* d11 management DTIM period */
851 #define DOT11_MNG_TIM_BITMAP_CTL 2 /* d11 management TIM BITMAP control */
852 #define DOT11_MNG_TIM_PVB 3 /* d11 management TIM PVB */
853
854 /* TLV defines */
855 #define TLV_TAG_OFF 0 /* tag offset */
856 #define TLV_LEN_OFF 1 /* length offset */
857 #define TLV_HDR_LEN 2 /* header length */
858 #define TLV_BODY_OFF 2 /* body offset */
859
860 /* Management Frame Information Element IDs */
861 #define DOT11_MNG_SSID_ID 0 /* d11 management SSID id */
862 #define DOT11_MNG_RATES_ID 1 /* d11 management rates id */
863 #define DOT11_MNG_FH_PARMS_ID 2 /* d11 management FH parameter id */
864 #define DOT11_MNG_DS_PARMS_ID 3 /* d11 management DS parameter id */
865 #define DOT11_MNG_CF_PARMS_ID 4 /* d11 management CF parameter id */
866 #define DOT11_MNG_TIM_ID 5 /* d11 management TIM id */
867 #define DOT11_MNG_IBSS_PARMS_ID 6 /* d11 management IBSS parameter id */
868 #define DOT11_MNG_COUNTRY_ID 7 /* d11 management country id */
869 #define DOT11_MNG_HOPPING_PARMS_ID 8 /* d11 management hopping parameter id */
870 #define DOT11_MNG_HOPPING_TABLE_ID 9 /* d11 management hopping table id */
871 #define DOT11_MNG_REQUEST_ID 10 /* d11 management request id */
872 #define DOT11_MNG_QBSS_LOAD_ID 11 /* d11 management QBSS Load id */
873 #define DOT11_MNG_CHALLENGE_ID 16 /* d11 management chanllenge id */
874 #define DOT11_MNG_PWR_CONSTRAINT_ID 32 /* 11H PowerConstraint */
875 #define DOT11_MNG_PWR_CAP_ID 33 /* 11H PowerCapability */
876 #define DOT11_MNG_TPC_REQUEST_ID 34 /* 11H TPC Request */
877 #define DOT11_MNG_TPC_REPORT_ID 35 /* 11H TPC Report */
878 #define DOT11_MNG_SUPP_CHANNELS_ID 36 /* 11H Supported Channels */
879 #define DOT11_MNG_CHANNEL_SWITCH_ID 37 /* 11H ChannelSwitch Announcement */
880 #define DOT11_MNG_MEASURE_REQUEST_ID 38 /* 11H MeasurementRequest */
881 #define DOT11_MNG_MEASURE_REPORT_ID 39 /* 11H MeasurementReport */
882 #define DOT11_MNG_QUIET_ID 40 /* 11H Quiet */
883 #define DOT11_MNG_IBSS_DFS_ID 41 /* 11H IBSS_DFS */
884 #define DOT11_MNG_ERP_ID 42 /* d11 management ERP id */
885 #define DOT11_MNG_TS_DELAY_ID 43 /* d11 management TS Delay id */
886 #define DOT11_MNG_NONERP_ID 47 /* d11 management NON-ERP id */
887 #define DOT11_MNG_RSN_ID 48 /* d11 management RSN id */
888 #define DOT11_MNG_EXT_RATES_ID 50 /* d11 management ext. rates id */
889 #define DOT11_MNG_WPA_ID 221 /* d11 management WPA id */
890 #define DOT11_MNG_PROPR_ID 221 /* d11 management proprietary id */
891
892 /* Rate element Basic flag and rate mask */
893 #define DOT11_RATE_BASIC 0x80 /* flag for a Basic Rate */
894 #define DOT11_RATE_MASK 0x7F /* mask for numeric part of rate */
895
896 /* ERP info element bit values */
897 #define DOT11_MNG_ERP_LEN 1 /* ERP is currently 1 byte long */
898 #define DOT11_MNG_NONERP_PRESENT 0x01 /* NonERP (802.11b) STAs are present
899 *in the BSS
900 */
901 #define DOT11_MNG_USE_PROTECTION 0x02 /* Use protection mechanisms for
902 *ERP-OFDM frames
903 */
904 #define DOT11_MNG_BARKER_PREAMBLE 0x04 /* Short Preambles: 0 == allowed,
905 * 1 == not allowed
906 */
907 /* TS Delay element offset & size */
908 #define DOT11_MGN_TS_DELAY_LEN 4 /* length of TS DELAY IE */
909 #define TS_DELAY_FIELD_SIZE 4 /* TS DELAY field size */
910
911 /* Capability Information Field */
912 #define DOT11_CAP_ESS 0x0001 /* d11 cap. ESS */
913 #define DOT11_CAP_IBSS 0x0002 /* d11 cap. IBSS */
914 #define DOT11_CAP_POLLABLE 0x0004 /* d11 cap. pollable */
915 #define DOT11_CAP_POLL_RQ 0x0008 /* d11 cap. poll request */
916 #define DOT11_CAP_PRIVACY 0x0010 /* d11 cap. privacy */
917 #define DOT11_CAP_SHORT 0x0020 /* d11 cap. short */
918 #define DOT11_CAP_PBCC 0x0040 /* d11 cap. PBCC */
919 #define DOT11_CAP_AGILITY 0x0080 /* d11 cap. agility */
920 #define DOT11_CAP_SPECTRUM 0x0100 /* d11 cap. spectrum */
921 #define DOT11_CAP_SHORTSLOT 0x0400 /* d11 cap. shortslot */
922 #define DOT11_CAP_CCK_OFDM 0x2000 /* d11 cap. CCK/OFDM */
923
924 /* Action Frame Constants */
925 #define DOT11_ACTION_CAT_ERR_MASK 0x80 /* d11 action category error mask */
926 #define DOT11_ACTION_CAT_MASK 0x7F /* d11 action category mask */
927 #define DOT11_ACTION_CAT_SPECT_MNG 0x00 /* d11 action category spectrum management */
928 #define DOT11_ACTION_CAT_BLOCKACK 0x03 /* d11 action category block ack */
929 #define DOT11_ACTION_NOTIFICATION 0x11 /* 17 */
930
931 #define DOT11_ACTION_ID_M_REQ 0 /* d11 action measurement request */
932 #define DOT11_ACTION_ID_M_REP 1 /* d11 action measurement response */
933 #define DOT11_ACTION_ID_TPC_REQ 2 /* d11 action TPC request */
934 #define DOT11_ACTION_ID_TPC_REP 3 /* d11 action TPC response */
935 #define DOT11_ACTION_ID_CHANNEL_SWITCH 4 /* d11 action channel switch */
936
937 /* HT (EWC) action ids */
938 #define DOT11_ACTION_ID_HT_CH_WIDTH 0 /* mimo ps action frame id */
939 #define DOT11_ACTION_ID_HT_MIMO_PS 1 /* mimo ps action frame id */
940
941 /* Block Ack action types */
942 #define DOT11_BA_ACTION_ADDBA_REQ 0 /* ADDBA Req action frame type */
943 #define DOT11_BA_ACTION_ADDBA_RESP 1 /* ADDBA Resp action frame type */
944 #define DOT11_BA_ACTION_DELBA 2 /* DELBA action frame type */
945
946 /* ADDBA action parameters */
947 #define DOT11_ADDBA_PARAM_POLICY_MASK 0x0002 /* policy mask(ack vs delayed) */
948 #define DOT11_ADDBA_PARAM_POLICY_SHIFT 1 /* policy shift */
949 #define DOT11_ADDBA_PARAM_TID_MASK 0x003c /* tid mask */
950 #define DOT11_ADDBA_PARAM_TID_SHIFT 2 /* tid shift */
951 #define DOT11_ADDBA_PARAM_BSIZE_MASK 0xffc0 /* buffer size mask */
952 #define DOT11_ADDBA_PARAM_BSIZE_SHIFT 6 /* buffer size shift */
953
954 #define DOT11_ADDBA_POLICY_DELAYED 0 /* delayed BA policy */
955 #define DOT11_ADDBA_POLICY_IMMEDIATE 1 /* immediate BA policy */
956
957 struct dot11_addba_req {
958 uint8 category; /* category of action frame (3) */
959 uint8 action; /* action: addba req */
960 uint8 token; /* identifier */
961 uint16 addba_param_set; /* parameter set */
962 uint16 timeout; /* timeout in seconds */
963 uint16 start_seqnum; /* starting sequence number */
964 }PACKED;
965 typedef struct dot11_addba_req dot11_addba_req_t;
966 #define DOT11_ADDBA_REQ_LEN 9 /* length of addba req frame */
967
968 struct dot11_addba_resp {
969 uint8 category; /* category of action frame (3) */
970 uint8 action; /* action: addba resp */
971 uint8 token; /* identifier */
972 uint16 status; /* status of add request */
973 uint16 addba_param_set; /* negotiated parameter set */
974 uint16 timeout; /* negotiated timeout in seconds */
975 }PACKED;
976 typedef struct dot11_addba_resp dot11_addba_resp_t;
977 #define DOT11_ADDBA_RESP_LEN 9 /* length of addba resp frame */
978
979 /* DELBA action parameters */
980 #define DOT11_DELBA_PARAM_INIT_MASK 0x0800 /* initiator mask */
981 #define DOT11_DELBA_PARAM_INIT_SHIFT 11 /* initiator shift */
982 #define DOT11_DELBA_PARAM_TID_MASK 0xf000 /* tid mask */
983 #define DOT11_DELBA_PARAM_TID_SHIFT 12 /* tid shift */
984
985 struct dot11_delba {
986 uint8 category; /* category of action frame (3) */
987 uint8 action; /* action: addba req */
988 uint16 delba_param_set; /* paarmeter set */
989 uint16 reason; /* reason for dellba */
990 }PACKED;
991 typedef struct dot11_delba dot11_delba_t;
992 #define DOT11_DELBA_LEN 6 /* length of delba frame */
993
994 /* MLME Enumerations */
995 #define DOT11_BSSTYPE_INFRASTRUCTURE 0 /* d11 infrastructure */
996 #define DOT11_BSSTYPE_INDEPENDENT 1 /* d11 independent */
997 #define DOT11_BSSTYPE_ANY 2 /* d11 any BSS type */
998 #define DOT11_SCANTYPE_ACTIVE 0 /* d11 scan active */
999 #define DOT11_SCANTYPE_PASSIVE 1 /* d11 scan passive */
1000
1001 /* 802.11 BRCM "Compromise" Pre N constants */
1002 #define PREN_PREAMBLE 24 /* green field preamble time */
1003 #define PREN_MM_EXT 16 /* extra mixed mode preamble time */
1004 #define PREN_PREAMBLE_EXT 4 /* extra preamble (multiply by unique_streams-1) */
1005
1006 /* 802.11 A PHY constants */
1007 #define APHY_SLOT_TIME 9 /* APHY slot time */
1008 #define APHY_SIFS_TIME 16 /* APHY SIFS time */
1009 #define APHY_DIFS_TIME (APHY_SIFS_TIME + (2 * APHY_SLOT_TIME)) /* APHY DIFS time */
1010 #define APHY_PREAMBLE_TIME 16 /* APHY preamble time */
1011 #define APHY_SIGNAL_TIME 4 /* APHY signal time */
1012 #define APHY_SYMBOL_TIME 4 /* APHY symbol time */
1013 #define APHY_SERVICE_NBITS 16 /* APHY service nbits */
1014 #define APHY_TAIL_NBITS 6 /* APHY tail nbits */
1015 #define APHY_CWMIN 15 /* APHY cwmin */
1016
1017 /* 802.11 B PHY constants */
1018 #define BPHY_SLOT_TIME 20 /* BPHY slot time */
1019 #define BPHY_SIFS_TIME 10 /* BPHY SIFS time */
1020 #define BPHY_DIFS_TIME 50 /* BPHY DIFS time */
1021 #define BPHY_PLCP_TIME 192 /* BPHY PLCP time */
1022 #define BPHY_PLCP_SHORT_TIME 96 /* BPHY PLCP short time */
1023 #define BPHY_CWMIN 31 /* BPHY cwmin */
1024
1025 /* 802.11 G constants */
1026 #define DOT11_OFDM_SIGNAL_EXTENSION 6 /* d11 OFDM signal extension */
1027
1028 #define PHY_CWMAX 1023 /* PHY cwmax */
1029
1030 #define DOT11_MAXNUMFRAGS 16 /* max # fragments per MSDU */
1031
1032 /* dot11Counters Table - 802.11 spec., Annex D */
1033 typedef struct d11cnt {
1034 uint32 txfrag; /* dot11TransmittedFragmentCount */
1035 uint32 txmulti; /* dot11MulticastTransmittedFrameCount */
1036 uint32 txfail; /* dot11FailedCount */
1037 uint32 txretry; /* dot11RetryCount */
1038 uint32 txretrie; /* dot11MultipleRetryCount */
1039 uint32 rxdup; /* dot11FrameduplicateCount */
1040 uint32 txrts; /* dot11RTSSuccessCount */
1041 uint32 txnocts; /* dot11RTSFailureCount */
1042 uint32 txnoack; /* dot11ACKFailureCount */
1043 uint32 rxfrag; /* dot11ReceivedFragmentCount */
1044 uint32 rxmulti; /* dot11MulticastReceivedFrameCount */
1045 uint32 rxcrc; /* dot11FCSErrorCount */
1046 uint32 txfrmsnt; /* dot11TransmittedFrameCount */
1047 uint32 rxundec; /* dot11WEPUndecryptableCount */
1048 } d11cnt_t;
1049
1050 /* BRCM OUI */
1051 #define BRCM_OUI "\x00\x10\x18" /* Broadcom OUI */
1052
1053 /* OUI for BRCM proprietary IE */
1054 #define BRCM_PROP_OUI "\x00\x90\x4C" /* Broadcom proprietary OUI */
1055
1056 /* BRCM info element */
1057 struct brcm_ie {
1058 uint8 id; /* IE ID, 221, DOT11_MNG_PROPR_ID */
1059 uint8 len; /* IE length */
1060 uint8 oui[3]; /* Proprietary OUI, BRCM_OUI */
1061 uint8 ver; /* type/ver of this IE */
1062 uint8 assoc; /* # of assoc STAs */
1063 uint8 flags; /* misc flags */
1064 uint8 flags1; /* misc flags */
1065 uint16 amsdu_mtu_pref; /* preferred A-MSDU MTU */
1066 } PACKED;
1067 typedef struct brcm_ie brcm_ie_t;
1068 #define BRCM_IE_LEN 11 /* BRCM IE length */
1069 #define BRCM_IE_VER 2 /* BRCM IE version */
1070 #define BRCM_IE_LEGACY_AES_VER 1 /* BRCM IE legacy AES version */
1071
1072 /* brcm_ie flags */
1073 #define BRF_ABCAP 0x1 /* afterburner capable */
1074 #define BRF_ABRQRD 0x2 /* afterburner requested */
1075 #define BRF_LZWDS 0x4 /* lazy wds enabled */
1076 #define BRF_BLOCKACK 0x8 /* BlockACK capable */
1077 #define BRF_ABCOUNTER_MASK 0xf0 /* afterburner wds "state" counter */
1078 #define BRF_ABCOUNTER_SHIFT 4 /* offset of afterburner wds "state" counter */
1079
1080 /* brcm_ie flags1 */
1081 #define BRF1_AMSDU 0x1 /* A-MSDU capable */
1082
1083 #define AB_WDS_TIMEOUT_MAX 15 /* afterburner wds Max count indicating not
1084 * locally capable
1085 */
1086 #define AB_WDS_TIMEOUT_MIN 1 /* afterburner wds, use zero count as indicating
1087 * "downrev"
1088 */
1089
1090 /* EWC definitions */
1091 #define MCSSET_LEN 16 /* 16-bits per 8-bit set to give 128-bits bitmap of MCS Index */
1092
1093 struct ewc_cap {
1094 uint16 cap;
1095 uint8 params;
1096 uint8 supp_mcs[MCSSET_LEN];
1097 uint16 ext_htcap;
1098 uint32 txbf_cap;
1099 uint8 as_cap;
1100 } PACKED;
1101 typedef struct ewc_cap ewc_cap_t;
1102
1103 /* CAP IE: EWC 1.0 spec. simply stole a 802.11 IE, we use our prop. IE until this is resolved */
1104 /* the capability IE is primarily used to convey this nodes abilities */
1105 struct ewc_cap_ie {
1106 uint8 id; /* IE ID, 221, DOT11_MNG_PROPR_ID */
1107 uint8 len; /* IE length */
1108 uint8 oui[3]; /* Proprietary OUI, BRCM_PROP_OUI */
1109 uint8 type; /* type inidicates what follows */
1110 ewc_cap_t cap;
1111 } PACKED;
1112 typedef struct ewc_cap_ie ewc_cap_ie_t;
1113
1114 #define EWC_CAP_IE_LEN (26+4)
1115 #define EWC_CAP_IE_TYPE 51
1116
1117 #define EWC_CAP_ADC_CODING 0x0001 /* Advance coding support */
1118 #define EWC_CAP_40MHZ 0x0002 /* FALSE:20Mhz, TRUE: 20 and 40MHZ supported */
1119 #define EWC_CAP_MIMO_PS_MASK 0x000C /* Mimo PS mask */
1120 #define EWC_CAP_MIMO_PS_SHIFT 0x0002 /* Mimo PS shift */
1121 #define EWC_CAP_MIMO_PS_OFF 0x0003 /* Mimo PS, no restriction */
1122 #define EWC_CAP_MIMO_PS_RTS 0x0001 /* Mimo PS, send RTS/CTS around MIMO frames */
1123 #define EWC_CAP_MIMO_PS_ON 0x0000 /* Mimo PS, MIMO disallowed */
1124 #define EWC_CAP_GF 0x0010 /* Greenfield preamble support */
1125 #define EWC_CAP_SHORT_GI_20 0x0020 /* 20MHZ short guard interval support */
1126 #define EWC_CAP_SHORT_GI_40 0x0040 /* 40Mhz short guard interval support */
1127 #define EWC_CAP_TX_STBC 0x0080 /* Tx STBC support */
1128 #define EWC_CAP_RX_STBC_MASK 0x0300 /* Rx STBC mask */
1129 #define EWC_CAP_RX_STBC_SHIFT 8 /* Rx STBC shift */
1130 #define EWC_CAP_DELAYED_BA 0x0400 /* delayed BA support */
1131 #define EWC_CAP_MAX_AMSDU 0x0800 /* Max AMSDU size in bytes , 0=3839, 1=7935 */
1132 #define EWC_CAP_DSSS_CCK 0x1000 /* DSSS/CCK supported by the BSS */
1133 #define EWC_CAP_PSMP 0x2000 /* Power Save Multi Poll support */
1134 #define EWC_CAP_STBC_CTL 0x4000 /* STBC control frame support */
1135 #define EWC_CAP_LSIG_TXOP 0x8000 /* L-SIG TXOP protection support */
1136
1137 #define EWC_MAX_AMSDU 7935 /* max amsdu size (bytes) per the EWC spec */
1138 #define EWC_MIN_AMSDU 3835 /* min amsdu size (bytes) per the EWC spec */
1139
1140 #define EWC_PARAMS_RX_FACTOR_MASK 0x03 /* ampdu rcv factor mask */
1141 #define EWC_PARAMS_DENSITY_MASK 0x1C /* ampdu density mask */
1142 #define EWC_PARAMS_DENSITY_SHIFT 2 /* ampdu density shift */
1143
1144 /* EWC/AMPDU specific define */
1145 #define AMPDU_MAX_MPDU_DENSITY 7 /* max mpdu density; in 1/8 usec units */
1146 #define AMPDU_MAX_RX_FACTOR 3 /* max rcv ampdu len (64kb) */
1147 #define AMPDU_RX_FACTOR_BASE 8*1024 /* ampdu factor base for rx len */
1148 #define AMPDU_DELIMITER_LEN 4 /* length of ampdu delimiter */
1149
1150 struct ewc_add {
1151 uint8 ctl_ch; /* control channel number */
1152 uint8 byte1; /* ext ch,rec. ch. width, RIFS support */
1153 uint16 opmode; /* operation mode */
1154 uint16 misc_bits; /* misc bits */
1155 uint8 basic_mcs[MCSSET_LEN]; /* required MCS set */
1156 } PACKED;
1157 typedef struct ewc_add ewc_add_t;
1158
1159 /* ADD IE: EWC 1.0 spec. simply stole a 802.11 IE, we use our prop. IE until this is resolved */
1160 /* the additional IE is primarily used to convey the current BSS configuration */
1161 struct ewc_add_ie {
1162 uint8 id; /* IE ID, 221, DOT11_MNG_PROPR_ID */
1163 uint8 len; /* IE length */
1164 uint8 oui[3]; /* Proprietary OUI, BRCM_PROP_OUI */
1165 uint8 type; /* indicates what follows */
1166 ewc_add_t add;
1167 } PACKED;
1168 typedef struct ewc_add_ie ewc_add_ie_t;
1169
1170 #define EWC_ADD_IE_LEN (22+4)
1171 #define EWC_ADD_IE_TYPE 52
1172
1173 /* byte1 defn's */
1174 #define EWC_EXT_CH_MASK 0x03 /* extension channel mask */
1175 #define EWC_EXT_CH_UPPER 0x01 /* ext. ch. on upper sb */
1176 #define EWC_EXT_CH_LOWER 0x03 /* ext. ch. on lower sb */
1177 #define EWC_EXT_CH_NONE 0x00 /* extension channel mask */
1178 #define EWC_BW_ANY 0x04 /* set, STA can use 20 or 40MHz */
1179 #define EWC_RIFS_PERMITTED 0x08 /* RIFS allowed */
1180
1181 /* opmode defn's */
1182 #define EWC_OPMODE_MASK 0x0003 /* protection mode mask */
1183 #define EWC_OPMODE_PURE 0x0000 /* protection mode PURE */
1184 #define EWC_OPMODE_HT20IN40 0x0002 /* protection mode 20MHz HT in 40MHz BSS */
1185 #define EWC_OPMODE_MIXED 0x0003 /* protection mode Mixed Mode */
1186 #define EWC_NONGF_PRESENT 0x0004 /* protection mode non-GF */
1187
1188 /* misc_bites defn's */
1189 #define EWC_BASIC_STBC_MCS 0x007f /* basic STBC MCS */
1190 #define EWC_DUAL_STBC_PROT 0x0080 /* Dual STBC Protection */
1191 #define EWC_SECOND_BCN 0x0100 /* Secondary beacon support */
1192 #define EWC_LSIG_TXOP 0x0200 /* L-SIG TXOP Protection full support */
1193 #define EWC_PCO_ACTIVE 0x0400 /* PCO active */
1194 #define EWC_PCO_PHASE 0x0800 /* PCO phase */
1195
1196 /* Macros for opmode */
1197 #define EWC_MIXEDMODE_PRESENT(add) ((ltoh16_ua(&add.opmode) & EWC_OPMODE_MASK) \
1198 == EWC_OPMODE_MIXED) /* mixed mode present */
1199 #define EWC_HT20_PRESENT(add) ((ltoh16_ua(&add.opmode) & EWC_OPMODE_MASK) \
1200 == EWC_OPMODE_HT20IN40) /* 20MHz HT present */
1201 #define EWC_USE_PROTECTION(add) (EWC_HT20_PRESENT((add)) || \
1202 EWC_MIXEDMODE_PRESENT((add))) /* use protection */
1203
1204 /* Vendor IE structure */
1205 struct vndr_ie {
1206 uchar id;
1207 uchar len;
1208 uchar oui [3];
1209 uchar data [1]; /* Variable size data */
1210 }PACKED;
1211 typedef struct vndr_ie vndr_ie_t;
1212
1213 #define VNDR_IE_HDR_LEN 2 /* id + len field */
1214 #define VNDR_IE_MIN_LEN 3 /* size of the oui field */
1215 #define VNDR_IE_MAX_LEN 256 /* verdor IE max length */
1216
1217 /* WPA definitions */
1218 #define WPA_VERSION 1 /* WPA version */
1219 #define WPA_OUI "\x00\x50\xF2" /* WPA OUI */
1220
1221 #define WPA2_VERSION 1 /* WPA2 version */
1222 #define WPA2_VERSION_LEN 2 /* WAP2 version length */
1223 #define WPA2_OUI "\x00\x0F\xAC" /* WPA2 OUI */
1224
1225 #define WPA_OUI_LEN 3 /* WPA OUI length */
1226
1227 /* RSN authenticated key managment suite */
1228 #define RSN_AKM_NONE 0 /* None (IBSS) */
1229 #define RSN_AKM_UNSPECIFIED 1 /* Over 802.1x */
1230 #define RSN_AKM_PSK 2 /* Pre-shared Key */
1231
1232 /* Key related defines */
1233 #define DOT11_MAX_DEFAULT_KEYS 4 /* number of default keys */
1234 #define DOT11_MAX_KEY_SIZE 32 /* max size of any key */
1235 #define DOT11_MAX_IV_SIZE 16 /* max size of any IV */
1236 #define DOT11_EXT_IV_FLAG (1<<5) /* flag to indicate IV is > 4 bytes */
1237
1238 #define WEP1_KEY_SIZE 5 /* max size of any WEP key */
1239 #define WEP1_KEY_HEX_SIZE 10 /* size of WEP key in hex. */
1240 #define WEP128_KEY_SIZE 13 /* max size of any WEP key */
1241 #define WEP128_KEY_HEX_SIZE 26 /* size of WEP key in hex. */
1242 #define TKIP_MIC_SIZE 8 /* size of TKIP MIC */
1243 #define TKIP_EOM_SIZE 7 /* max size of TKIP EOM */
1244 #define TKIP_EOM_FLAG 0x5a /* TKIP EOM flag byte */
1245 #define TKIP_KEY_SIZE 32 /* size of any TKIP key */
1246 #define TKIP_MIC_AUTH_TX 16 /* offset to Authenticator MIC TX key */
1247 #define TKIP_MIC_AUTH_RX 24 /* offset to Authenticator MIC RX key */
1248 #define TKIP_MIC_SUP_RX TKIP_MIC_AUTH_TX /* offset to Supplicant MIC RX key */
1249 #define TKIP_MIC_SUP_TX TKIP_MIC_AUTH_RX /* offset to Supplicant MIC TX key */
1250 #define AES_KEY_SIZE 16 /* size of AES key */
1251
1252 #undef PACKED
1253 #if !defined(__GNUC__)
1254 #pragma pack()
1255 #endif
1256
1257 #endif /* _802_11_H_ */
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