2 * SPDX-License-Identifier: BSD-2-Clause-FreeBSD
4 * Copyright (c) 2001 Atsushi Onoe
5 * Copyright (c) 2002-2009 Sam Leffler, Errno Consulting
8 * Redistribution and use in source and binary forms, with or without
9 * modification, are permitted provided that the following conditions
11 * 1. Redistributions of source code must retain the above copyright
12 * notice, this list of conditions and the following disclaimer.
13 * 2. Redistributions in binary form must reproduce the above copyright
14 * notice, this list of conditions and the following disclaimer in the
15 * documentation and/or other materials provided with the distribution.
17 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
18 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
19 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
20 * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
21 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
22 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
23 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
24 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
25 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
26 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
30 #ifndef _NET80211_IEEE80211_H_
31 #define _NET80211_IEEE80211_H_
34 * 802.11 protocol definitions.
37 #define IEEE80211_ADDR_LEN 6 /* size of 802.11 address */
38 /* is 802.11 address multicast/broadcast? */
39 #define IEEE80211_IS_MULTICAST(_a) (*(_a) & 0x01)
42 extern const uint8_t ieee80211broadcastaddr[];
45 typedef uint16_t ieee80211_seq;
47 /* IEEE 802.11 PLCP header */
48 struct ieee80211_plcp_hdr {
56 #define IEEE80211_PLCP_SFD 0xF3A0
57 #define IEEE80211_PLCP_SERVICE 0x00
58 #define IEEE80211_PLCP_SERVICE_LOCKED 0x04
59 #define IEEE80211_PLCL_SERVICE_PBCC 0x08
60 #define IEEE80211_PLCP_SERVICE_LENEXT5 0x20
61 #define IEEE80211_PLCP_SERVICE_LENEXT6 0x40
62 #define IEEE80211_PLCP_SERVICE_LENEXT7 0x80
65 * generic definitions for IEEE 802.11 frames
67 struct ieee80211_frame {
70 uint8_t i_addr1[IEEE80211_ADDR_LEN];
71 uint8_t i_addr2[IEEE80211_ADDR_LEN];
72 uint8_t i_addr3[IEEE80211_ADDR_LEN];
74 /* possibly followed by addr4[IEEE80211_ADDR_LEN]; */
78 struct ieee80211_qosframe {
81 uint8_t i_addr1[IEEE80211_ADDR_LEN];
82 uint8_t i_addr2[IEEE80211_ADDR_LEN];
83 uint8_t i_addr3[IEEE80211_ADDR_LEN];
86 /* possibly followed by addr4[IEEE80211_ADDR_LEN]; */
90 struct ieee80211_qoscntl {
94 struct ieee80211_frame_addr4 {
97 uint8_t i_addr1[IEEE80211_ADDR_LEN];
98 uint8_t i_addr2[IEEE80211_ADDR_LEN];
99 uint8_t i_addr3[IEEE80211_ADDR_LEN];
101 uint8_t i_addr4[IEEE80211_ADDR_LEN];
105 struct ieee80211_qosframe_addr4 {
108 uint8_t i_addr1[IEEE80211_ADDR_LEN];
109 uint8_t i_addr2[IEEE80211_ADDR_LEN];
110 uint8_t i_addr3[IEEE80211_ADDR_LEN];
112 uint8_t i_addr4[IEEE80211_ADDR_LEN];
116 #define IEEE80211_FC0_VERSION_MASK 0x03
117 #define IEEE80211_FC0_VERSION_SHIFT 0
118 #define IEEE80211_FC0_VERSION_0 0x00
119 #define IEEE80211_FC0_TYPE_MASK 0x0c
120 #define IEEE80211_FC0_TYPE_SHIFT 2
121 #define IEEE80211_FC0_TYPE_MGT 0x00
122 #define IEEE80211_FC0_TYPE_CTL 0x04
123 #define IEEE80211_FC0_TYPE_DATA 0x08
125 #define IEEE80211_FC0_SUBTYPE_MASK 0xf0
126 #define IEEE80211_FC0_SUBTYPE_SHIFT 4
128 #define IEEE80211_FC0_SUBTYPE_ASSOC_REQ 0x00
129 #define IEEE80211_FC0_SUBTYPE_ASSOC_RESP 0x10
130 #define IEEE80211_FC0_SUBTYPE_REASSOC_REQ 0x20
131 #define IEEE80211_FC0_SUBTYPE_REASSOC_RESP 0x30
132 #define IEEE80211_FC0_SUBTYPE_PROBE_REQ 0x40
133 #define IEEE80211_FC0_SUBTYPE_PROBE_RESP 0x50
134 #define IEEE80211_FC0_SUBTYPE_TIMING_ADV 0x60
135 #define IEEE80211_FC0_SUBTYPE_BEACON 0x80
136 #define IEEE80211_FC0_SUBTYPE_ATIM 0x90
137 #define IEEE80211_FC0_SUBTYPE_DISASSOC 0xa0
138 #define IEEE80211_FC0_SUBTYPE_AUTH 0xb0
139 #define IEEE80211_FC0_SUBTYPE_DEAUTH 0xc0
140 #define IEEE80211_FC0_SUBTYPE_ACTION 0xd0
141 #define IEEE80211_FC0_SUBTYPE_ACTION_NOACK 0xe0
143 #define IEEE80211_FC0_SUBTYPE_CONTROL_WRAP 0x70
144 #define IEEE80211_FC0_SUBTYPE_BAR 0x80
145 #define IEEE80211_FC0_SUBTYPE_BA 0x90
146 #define IEEE80211_FC0_SUBTYPE_PS_POLL 0xa0
147 #define IEEE80211_FC0_SUBTYPE_RTS 0xb0
148 #define IEEE80211_FC0_SUBTYPE_CTS 0xc0
149 #define IEEE80211_FC0_SUBTYPE_ACK 0xd0
150 #define IEEE80211_FC0_SUBTYPE_CF_END 0xe0
151 #define IEEE80211_FC0_SUBTYPE_CF_END_ACK 0xf0
152 /* for TYPE_DATA (bit combination) */
153 #define IEEE80211_FC0_SUBTYPE_DATA 0x00
154 #define IEEE80211_FC0_SUBTYPE_CF_ACK 0x10
155 #define IEEE80211_FC0_SUBTYPE_CF_POLL 0x20
156 #define IEEE80211_FC0_SUBTYPE_CF_ACPL 0x30
157 #define IEEE80211_FC0_SUBTYPE_NODATA 0x40
158 #define IEEE80211_FC0_SUBTYPE_CFACK 0x50
159 #define IEEE80211_FC0_SUBTYPE_CFPOLL 0x60
160 #define IEEE80211_FC0_SUBTYPE_CF_ACK_CF_ACK 0x70
161 #define IEEE80211_FC0_SUBTYPE_QOS 0x80
162 #define IEEE80211_FC0_SUBTYPE_QOS_CFACK 0x90
163 #define IEEE80211_FC0_SUBTYPE_QOS_CFPOLL 0xa0
164 #define IEEE80211_FC0_SUBTYPE_QOS_CFACKPOLL 0xb0
165 #define IEEE80211_FC0_SUBTYPE_QOS_NULL 0xc0
167 #define IEEE80211_IS_MGMT(wh) \
168 (!! (((wh)->i_fc[0] & IEEE80211_FC0_TYPE_MASK) \
169 == IEEE80211_FC0_TYPE_MGT))
170 #define IEEE80211_IS_CTL(wh) \
171 (!! (((wh)->i_fc[0] & IEEE80211_FC0_TYPE_MASK) \
172 == IEEE80211_FC0_TYPE_CTL))
173 #define IEEE80211_IS_DATA(wh) \
174 (!! (((wh)->i_fc[0] & IEEE80211_FC0_TYPE_MASK) \
175 == IEEE80211_FC0_TYPE_DATA))
177 #define IEEE80211_FC0_QOSDATA \
178 (IEEE80211_FC0_TYPE_DATA|IEEE80211_FC0_SUBTYPE_QOS|IEEE80211_FC0_VERSION_0)
180 #define IEEE80211_IS_QOSDATA(wh) \
181 ((wh)->i_fc[0] == IEEE80211_FC0_QOSDATA)
183 #define IEEE80211_FC1_DIR_MASK 0x03
184 #define IEEE80211_FC1_DIR_NODS 0x00 /* STA->STA */
185 #define IEEE80211_FC1_DIR_TODS 0x01 /* STA->AP */
186 #define IEEE80211_FC1_DIR_FROMDS 0x02 /* AP ->STA */
187 #define IEEE80211_FC1_DIR_DSTODS 0x03 /* AP ->AP */
189 #define IEEE80211_IS_DSTODS(wh) \
190 (((wh)->i_fc[1] & IEEE80211_FC1_DIR_MASK) == IEEE80211_FC1_DIR_DSTODS)
192 #define IEEE80211_FC1_MORE_FRAG 0x04
193 #define IEEE80211_FC1_RETRY 0x08
194 #define IEEE80211_FC1_PWR_MGT 0x10
195 #define IEEE80211_FC1_MORE_DATA 0x20
196 #define IEEE80211_FC1_PROTECTED 0x40
197 #define IEEE80211_FC1_ORDER 0x80
199 #define IEEE80211_HAS_SEQ(type, subtype) \
200 ((type) != IEEE80211_FC0_TYPE_CTL && \
201 !((type) == IEEE80211_FC0_TYPE_DATA && \
202 ((subtype) & IEEE80211_FC0_SUBTYPE_QOS_NULL) == \
203 IEEE80211_FC0_SUBTYPE_QOS_NULL))
204 #define IEEE80211_SEQ_FRAG_MASK 0x000f
205 #define IEEE80211_SEQ_FRAG_SHIFT 0
206 #define IEEE80211_SEQ_SEQ_MASK 0xfff0
207 #define IEEE80211_SEQ_SEQ_SHIFT 4
208 #define IEEE80211_SEQ_RANGE 4096
210 #define IEEE80211_SEQ_ADD(seq, incr) \
211 (((seq) + (incr)) & (IEEE80211_SEQ_RANGE-1))
212 #define IEEE80211_SEQ_INC(seq) IEEE80211_SEQ_ADD(seq,1)
213 #define IEEE80211_SEQ_SUB(a, b) \
214 (((a) + IEEE80211_SEQ_RANGE - (b)) & (IEEE80211_SEQ_RANGE-1))
216 #define IEEE80211_SEQ_BA_RANGE 2048 /* 2^11 */
217 #define IEEE80211_SEQ_BA_BEFORE(a, b) \
218 (IEEE80211_SEQ_SUB(b, a+1) < IEEE80211_SEQ_BA_RANGE-1)
220 #define IEEE80211_NWID_LEN 32
221 #define IEEE80211_MESHID_LEN 32
223 #define IEEE80211_QOS_CTL_LEN 2
225 #define IEEE80211_QOS_TXOP 0x00ff
226 /* bit 8 is reserved */
227 #define IEEE80211_QOS_AMSDU 0x80
228 #define IEEE80211_QOS_AMSDU_S 7
229 #define IEEE80211_QOS_ACKPOLICY 0x60
230 #define IEEE80211_QOS_ACKPOLICY_S 5
231 #define IEEE80211_QOS_ACKPOLICY_NOACK 0x20 /* No ACK required */
232 #define IEEE80211_QOS_ACKPOLICY_BA 0x60 /* Block ACK */
233 #define IEEE80211_QOS_EOSP 0x10 /* EndOfService Period*/
234 #define IEEE80211_QOS_EOSP_S 4
235 #define IEEE80211_QOS_TID 0x0f
236 /* qos[1] byte used for all frames sent by mesh STAs in a mesh BSS */
237 #define IEEE80211_QOS_MC 0x01 /* Mesh control */
238 /* Mesh power save level*/
239 #define IEEE80211_QOS_MESH_PSL 0x02
240 /* Mesh Receiver Service Period Initiated */
241 #define IEEE80211_QOS_RSPI 0x04
242 /* bits 11 to 15 reserved */
244 /* does frame have QoS sequence control data */
245 #define IEEE80211_QOS_HAS_SEQ(wh) \
247 (IEEE80211_FC0_TYPE_MASK | IEEE80211_FC0_SUBTYPE_QOS)) == \
248 (IEEE80211_FC0_TYPE_DATA | IEEE80211_FC0_SUBTYPE_QOS))
251 * WME/802.11e information element.
253 struct ieee80211_wme_info {
254 uint8_t wme_id; /* IEEE80211_ELEMID_VENDOR */
255 uint8_t wme_len; /* length in bytes */
256 uint8_t wme_oui[3]; /* 0x00, 0x50, 0xf2 */
257 uint8_t wme_type; /* OUI type */
258 uint8_t wme_subtype; /* OUI subtype */
259 uint8_t wme_version; /* spec revision */
260 uint8_t wme_info; /* QoS info */
264 * WME/802.11e Tspec Element
266 struct ieee80211_wme_tspec {
271 uint8_t ts_oui_subtype;
273 uint8_t ts_tsinfo[3];
274 uint8_t ts_nom_msdu[2];
275 uint8_t ts_max_msdu[2];
276 uint8_t ts_min_svc[4];
277 uint8_t ts_max_svc[4];
278 uint8_t ts_inactv_intv[4];
279 uint8_t ts_susp_intv[4];
280 uint8_t ts_start_svc[4];
281 uint8_t ts_min_rate[4];
282 uint8_t ts_mean_rate[4];
283 uint8_t ts_max_burst[4];
284 uint8_t ts_min_phy[4];
285 uint8_t ts_peak_rate[4];
287 uint8_t ts_surplus[2];
288 uint8_t ts_medium_time[2];
292 * WME AC parameter field
294 struct ieee80211_wme_acparams {
295 uint8_t acp_aci_aifsn;
296 uint8_t acp_logcwminmax;
300 #define WME_NUM_AC 4 /* 4 AC categories */
301 #define WME_NUM_TID 16 /* 16 tids */
303 #define WME_PARAM_ACI 0x60 /* Mask for ACI field */
304 #define WME_PARAM_ACI_S 5 /* Shift for ACI field */
305 #define WME_PARAM_ACM 0x10 /* Mask for ACM bit */
306 #define WME_PARAM_ACM_S 4 /* Shift for ACM bit */
307 #define WME_PARAM_AIFSN 0x0f /* Mask for aifsn field */
308 #define WME_PARAM_AIFSN_S 0 /* Shift for aifsn field */
309 #define WME_PARAM_LOGCWMIN 0x0f /* Mask for CwMin field (in log) */
310 #define WME_PARAM_LOGCWMIN_S 0 /* Shift for CwMin field */
311 #define WME_PARAM_LOGCWMAX 0xf0 /* Mask for CwMax field (in log) */
312 #define WME_PARAM_LOGCWMAX_S 4 /* Shift for CwMax field */
314 #define WME_AC_TO_TID(_ac) ( \
315 ((_ac) == WME_AC_VO) ? 6 : \
316 ((_ac) == WME_AC_VI) ? 5 : \
317 ((_ac) == WME_AC_BK) ? 1 : \
320 #define TID_TO_WME_AC(_tid) ( \
321 ((_tid) == 0 || (_tid) == 3) ? WME_AC_BE : \
322 ((_tid) < 3) ? WME_AC_BK : \
323 ((_tid) < 6) ? WME_AC_VI : \
327 * WME Parameter Element
329 struct ieee80211_wme_param {
332 uint8_t param_oui[3];
333 uint8_t param_oui_type;
334 uint8_t param_oui_subtype;
335 uint8_t param_version;
336 uint8_t param_qosInfo;
337 #define WME_QOSINFO_COUNT 0x0f /* Mask for param count field */
338 uint8_t param_reserved;
339 struct ieee80211_wme_acparams params_acParams[WME_NUM_AC];
343 * WME U-APSD qos info field defines
345 #define WME_CAPINFO_UAPSD_EN 0x00000080
346 #define WME_CAPINFO_UAPSD_VO 0x00000001
347 #define WME_CAPINFO_UAPSD_VI 0x00000002
348 #define WME_CAPINFO_UAPSD_BK 0x00000004
349 #define WME_CAPINFO_UAPSD_BE 0x00000008
350 #define WME_CAPINFO_UAPSD_ACFLAGS_SHIFT 0
351 #define WME_CAPINFO_UAPSD_ACFLAGS_MASK 0xF
352 #define WME_CAPINFO_UAPSD_MAXSP_SHIFT 5
353 #define WME_CAPINFO_UAPSD_MAXSP_MASK 0x3
354 #define WME_CAPINFO_IE_OFFSET 8
355 #define WME_UAPSD_MAXSP(_qosinfo) \
356 (((_qosinfo) >> WME_CAPINFO_UAPSD_MAXSP_SHIFT) & \
357 WME_CAPINFO_UAPSD_MAXSP_MASK)
358 #define WME_UAPSD_AC_ENABLED(_ac, _qosinfo) \
359 ((1 << (3 - (_ac))) & ( \
360 ((_qosinfo) >> WME_CAPINFO_UAPSD_ACFLAGS_SHIFT) & \
361 WME_CAPINFO_UAPSD_ACFLAGS_MASK))
364 * Management Notification Frame
366 struct ieee80211_mnf {
367 uint8_t mnf_category;
372 #define MNF_SETUP_REQ 0
373 #define MNF_SETUP_RESP 1
374 #define MNF_TEARDOWN 2
377 * 802.11n Management Action Frames
379 /* generic frame format */
380 struct ieee80211_action {
385 #define IEEE80211_ACTION_CAT_SM 0 /* Spectrum Management */
386 #define IEEE80211_ACTION_CAT_QOS 1 /* QoS */
387 #define IEEE80211_ACTION_CAT_DLS 2 /* DLS */
388 #define IEEE80211_ACTION_CAT_BA 3 /* BA */
389 #define IEEE80211_ACTION_CAT_HT 7 /* HT */
390 #define IEEE80211_ACTION_CAT_MESH 13 /* Mesh */
391 #define IEEE80211_ACTION_CAT_SELF_PROT 15 /* Self-protected */
392 /* 16 - 125 reserved */
393 #define IEEE80211_ACTION_CAT_VHT 21
394 #define IEEE80211_ACTION_CAT_VENDOR 127 /* Vendor Specific */
396 #define IEEE80211_ACTION_HT_TXCHWIDTH 0 /* recommended xmit chan width*/
397 #define IEEE80211_ACTION_HT_MIMOPWRSAVE 1 /* MIMO power save */
399 /* HT - recommended transmission channel width */
400 struct ieee80211_action_ht_txchwidth {
401 struct ieee80211_action at_header;
405 #define IEEE80211_A_HT_TXCHWIDTH_20 0
406 #define IEEE80211_A_HT_TXCHWIDTH_2040 1
408 /* HT - MIMO Power Save (NB: D2.04) */
409 struct ieee80211_action_ht_mimopowersave {
410 struct ieee80211_action am_header;
414 #define IEEE80211_A_HT_MIMOPWRSAVE_ENA 0x01 /* PS enabled */
415 #define IEEE80211_A_HT_MIMOPWRSAVE_MODE 0x02
416 #define IEEE80211_A_HT_MIMOPWRSAVE_MODE_S 1
417 #define IEEE80211_A_HT_MIMOPWRSAVE_DYNAMIC 0x02 /* Dynamic Mode */
418 #define IEEE80211_A_HT_MIMOPWRSAVE_STATIC 0x00 /* no SM packets */
419 /* bits 2-7 reserved */
421 /* Block Ack actions */
422 #define IEEE80211_ACTION_BA_ADDBA_REQUEST 0 /* ADDBA request */
423 #define IEEE80211_ACTION_BA_ADDBA_RESPONSE 1 /* ADDBA response */
424 #define IEEE80211_ACTION_BA_DELBA 2 /* DELBA */
426 /* Block Ack Parameter Set */
427 #define IEEE80211_BAPS_BUFSIZ 0xffc0 /* buffer size */
428 #define IEEE80211_BAPS_BUFSIZ_S 6
429 #define IEEE80211_BAPS_TID 0x003c /* TID */
430 #define IEEE80211_BAPS_TID_S 2
431 #define IEEE80211_BAPS_POLICY 0x0002 /* block ack policy */
432 #define IEEE80211_BAPS_POLICY_S 1
434 #define IEEE80211_BAPS_POLICY_DELAYED (0<<IEEE80211_BAPS_POLICY_S)
435 #define IEEE80211_BAPS_POLICY_IMMEDIATE (1<<IEEE80211_BAPS_POLICY_S)
437 /* Block Ack Sequence Control */
438 #define IEEE80211_BASEQ_START 0xfff0 /* starting seqnum */
439 #define IEEE80211_BASEQ_START_S 4
440 #define IEEE80211_BASEQ_FRAG 0x000f /* fragment number */
441 #define IEEE80211_BASEQ_FRAG_S 0
443 /* Delayed Block Ack Parameter Set */
444 #define IEEE80211_DELBAPS_TID 0xf000 /* TID */
445 #define IEEE80211_DELBAPS_TID_S 12
446 #define IEEE80211_DELBAPS_INIT 0x0800 /* initiator */
447 #define IEEE80211_DELBAPS_INIT_S 11
449 /* BA - ADDBA request */
450 struct ieee80211_action_ba_addbarequest {
451 struct ieee80211_action rq_header;
452 uint8_t rq_dialogtoken;
453 uint16_t rq_baparamset;
454 uint16_t rq_batimeout; /* in TUs */
455 uint16_t rq_baseqctl;
458 /* BA - ADDBA response */
459 struct ieee80211_action_ba_addbaresponse {
460 struct ieee80211_action rs_header;
461 uint8_t rs_dialogtoken;
462 uint16_t rs_statuscode;
463 uint16_t rs_baparamset;
464 uint16_t rs_batimeout; /* in TUs */
468 struct ieee80211_action_ba_delba {
469 struct ieee80211_action dl_header;
470 uint16_t dl_baparamset;
471 uint16_t dl_reasoncode;
475 #define IEEE80211_BAR_TID 0xf000 /* TID */
476 #define IEEE80211_BAR_TID_S 12
477 #define IEEE80211_BAR_COMP 0x0004 /* Compressed Bitmap */
478 #define IEEE80211_BAR_MTID 0x0002 /* Multi-TID */
479 #define IEEE80211_BAR_NOACK 0x0001 /* No-Ack policy */
481 /* BAR Starting Sequence Control */
482 #define IEEE80211_BAR_SEQ_START 0xfff0 /* starting seqnum */
483 #define IEEE80211_BAR_SEQ_START_S 4
485 struct ieee80211_ba_request {
487 uint16_t rq_barseqctl;
493 struct ieee80211_frame_min {
496 uint8_t i_addr1[IEEE80211_ADDR_LEN];
497 uint8_t i_addr2[IEEE80211_ADDR_LEN];
501 struct ieee80211_frame_rts {
504 uint8_t i_ra[IEEE80211_ADDR_LEN];
505 uint8_t i_ta[IEEE80211_ADDR_LEN];
509 struct ieee80211_frame_cts {
512 uint8_t i_ra[IEEE80211_ADDR_LEN];
516 struct ieee80211_frame_ack {
519 uint8_t i_ra[IEEE80211_ADDR_LEN];
523 struct ieee80211_frame_pspoll {
526 uint8_t i_bssid[IEEE80211_ADDR_LEN];
527 uint8_t i_ta[IEEE80211_ADDR_LEN];
531 struct ieee80211_frame_cfend { /* NB: also CF-End+CF-Ack */
533 uint8_t i_dur[2]; /* should be zero */
534 uint8_t i_ra[IEEE80211_ADDR_LEN];
535 uint8_t i_bssid[IEEE80211_ADDR_LEN];
539 struct ieee80211_frame_bar {
542 uint8_t i_ra[IEEE80211_ADDR_LEN];
543 uint8_t i_ta[IEEE80211_ADDR_LEN];
550 * BEACON management packets
553 * octet beacon interval[2]
554 * octet capability information[2]
555 * information element
558 * octet information[length]
561 #define IEEE80211_BEACON_INTERVAL(beacon) \
562 ((beacon)[8] | ((beacon)[9] << 8))
563 #define IEEE80211_BEACON_CAPABILITY(beacon) \
564 ((beacon)[10] | ((beacon)[11] << 8))
566 #define IEEE80211_CAPINFO_ESS 0x0001
567 #define IEEE80211_CAPINFO_IBSS 0x0002
568 #define IEEE80211_CAPINFO_CF_POLLABLE 0x0004
569 #define IEEE80211_CAPINFO_CF_POLLREQ 0x0008
570 #define IEEE80211_CAPINFO_PRIVACY 0x0010
571 #define IEEE80211_CAPINFO_SHORT_PREAMBLE 0x0020
572 #define IEEE80211_CAPINFO_PBCC 0x0040
573 #define IEEE80211_CAPINFO_CHNL_AGILITY 0x0080
574 #define IEEE80211_CAPINFO_SPECTRUM_MGMT 0x0100
575 /* bit 9 is reserved */
576 #define IEEE80211_CAPINFO_SHORT_SLOTTIME 0x0400
577 #define IEEE80211_CAPINFO_RSN 0x0800
578 /* bit 12 is reserved */
579 #define IEEE80211_CAPINFO_DSSSOFDM 0x2000
580 /* bits 14-15 are reserved */
582 #define IEEE80211_CAPINFO_BITS \
583 "\20\1ESS\2IBSS\3CF_POLLABLE\4CF_POLLREQ\5PRIVACY\6SHORT_PREAMBLE" \
584 "\7PBCC\10CHNL_AGILITY\11SPECTRUM_MGMT\13SHORT_SLOTTIME\14RSN" \
588 * 802.11i/WPA information element (maximally sized).
590 struct ieee80211_ie_wpa {
591 uint8_t wpa_id; /* IEEE80211_ELEMID_VENDOR */
592 uint8_t wpa_len; /* length in bytes */
593 uint8_t wpa_oui[3]; /* 0x00, 0x50, 0xf2 */
594 uint8_t wpa_type; /* OUI type */
595 uint16_t wpa_version; /* spec revision */
596 uint32_t wpa_mcipher[1]; /* multicast/group key cipher */
597 uint16_t wpa_uciphercnt; /* # pairwise key ciphers */
598 uint32_t wpa_uciphers[8];/* ciphers */
599 uint16_t wpa_authselcnt; /* authentication selector cnt*/
600 uint32_t wpa_authsels[8];/* selectors */
601 uint16_t wpa_caps; /* 802.11i capabilities */
602 uint16_t wpa_pmkidcnt; /* 802.11i pmkid count */
603 uint16_t wpa_pmkids[8]; /* 802.11i pmkids */
607 * 802.11n HT Capability IE
608 * NB: these reflect D1.10
610 struct ieee80211_ie_htcap {
611 uint8_t hc_id; /* element ID */
612 uint8_t hc_len; /* length in bytes */
613 uint16_t hc_cap; /* HT caps (see below) */
614 uint8_t hc_param; /* HT params (see below) */
615 uint8_t hc_mcsset[16]; /* supported MCS set */
616 uint16_t hc_extcap; /* extended HT capabilities */
617 uint32_t hc_txbf; /* txbf capabilities */
618 uint8_t hc_antenna; /* antenna capabilities */
621 /* HT capability flags (ht_cap) */
622 #define IEEE80211_HTCAP_LDPC 0x0001 /* LDPC rx supported */
623 #define IEEE80211_HTCAP_CHWIDTH40 0x0002 /* 20/40 supported */
624 #define IEEE80211_HTCAP_SMPS 0x000c /* SM Power Save mode */
625 #define IEEE80211_HTCAP_SMPS_OFF 0x000c /* disabled */
626 #define IEEE80211_HTCAP_SMPS_DYNAMIC 0x0004 /* send RTS first */
627 /* NB: SMPS value 2 is reserved */
628 #define IEEE80211_HTCAP_SMPS_ENA 0x0000 /* enabled (static mode) */
629 #define IEEE80211_HTCAP_GREENFIELD 0x0010 /* Greenfield supported */
630 #define IEEE80211_HTCAP_SHORTGI20 0x0020 /* Short GI in 20MHz */
631 #define IEEE80211_HTCAP_SHORTGI40 0x0040 /* Short GI in 40MHz */
632 #define IEEE80211_HTCAP_TXSTBC 0x0080 /* STBC tx ok */
633 #define IEEE80211_HTCAP_RXSTBC 0x0300 /* STBC rx support */
634 #define IEEE80211_HTCAP_RXSTBC_S 8
635 #define IEEE80211_HTCAP_RXSTBC_1STREAM 0x0100 /* 1 spatial stream */
636 #define IEEE80211_HTCAP_RXSTBC_2STREAM 0x0200 /* 1-2 spatial streams*/
637 #define IEEE80211_HTCAP_RXSTBC_3STREAM 0x0300 /* 1-3 spatial streams*/
638 #define IEEE80211_HTCAP_DELBA 0x0400 /* HT DELBA supported */
639 #define IEEE80211_HTCAP_MAXAMSDU 0x0800 /* max A-MSDU length */
640 #define IEEE80211_HTCAP_MAXAMSDU_7935 0x0800 /* 7935 octets */
641 #define IEEE80211_HTCAP_MAXAMSDU_3839 0x0000 /* 3839 octets */
642 #define IEEE80211_HTCAP_DSSSCCK40 0x1000 /* DSSS/CCK in 40MHz */
643 #define IEEE80211_HTCAP_PSMP 0x2000 /* PSMP supported */
644 #define IEEE80211_HTCAP_40INTOLERANT 0x4000 /* 40MHz intolerant */
645 #define IEEE80211_HTCAP_LSIGTXOPPROT 0x8000 /* L-SIG TXOP prot */
647 #define IEEE80211_HTCAP_BITS \
648 "\20\1LDPC\2CHWIDTH40\5GREENFIELD\6SHORTGI20\7SHORTGI40\10TXSTBC" \
649 "\13DELBA\14AMSDU(7935)\15DSSSCCK40\16PSMP\1740INTOLERANT" \
652 /* HT parameters (hc_param) */
653 #define IEEE80211_HTCAP_MAXRXAMPDU 0x03 /* max rx A-MPDU factor */
654 #define IEEE80211_HTCAP_MAXRXAMPDU_S 0
655 #define IEEE80211_HTCAP_MAXRXAMPDU_8K 0
656 #define IEEE80211_HTCAP_MAXRXAMPDU_16K 1
657 #define IEEE80211_HTCAP_MAXRXAMPDU_32K 2
658 #define IEEE80211_HTCAP_MAXRXAMPDU_64K 3
659 #define IEEE80211_HTCAP_MPDUDENSITY 0x1c /* min MPDU start spacing */
660 #define IEEE80211_HTCAP_MPDUDENSITY_S 2
661 #define IEEE80211_HTCAP_MPDUDENSITY_NA 0 /* no time restriction */
662 #define IEEE80211_HTCAP_MPDUDENSITY_025 1 /* 1/4 us */
663 #define IEEE80211_HTCAP_MPDUDENSITY_05 2 /* 1/2 us */
664 #define IEEE80211_HTCAP_MPDUDENSITY_1 3 /* 1 us */
665 #define IEEE80211_HTCAP_MPDUDENSITY_2 4 /* 2 us */
666 #define IEEE80211_HTCAP_MPDUDENSITY_4 5 /* 4 us */
667 #define IEEE80211_HTCAP_MPDUDENSITY_8 6 /* 8 us */
668 #define IEEE80211_HTCAP_MPDUDENSITY_16 7 /* 16 us */
670 /* HT extended capabilities (hc_extcap) */
671 #define IEEE80211_HTCAP_PCO 0x0001 /* PCO capable */
672 #define IEEE80211_HTCAP_PCOTRANS 0x0006 /* PCO transition time */
673 #define IEEE80211_HTCAP_PCOTRANS_S 1
674 #define IEEE80211_HTCAP_PCOTRANS_04 0x0002 /* 400 us */
675 #define IEEE80211_HTCAP_PCOTRANS_15 0x0004 /* 1.5 ms */
676 #define IEEE80211_HTCAP_PCOTRANS_5 0x0006 /* 5 ms */
677 /* bits 3-7 reserved */
678 #define IEEE80211_HTCAP_MCSFBACK 0x0300 /* MCS feedback */
679 #define IEEE80211_HTCAP_MCSFBACK_S 8
680 #define IEEE80211_HTCAP_MCSFBACK_NONE 0x0000 /* nothing provided */
681 #define IEEE80211_HTCAP_MCSFBACK_UNSOL 0x0200 /* unsolicited feedback */
682 #define IEEE80211_HTCAP_MCSFBACK_MRQ 0x0300 /* " "+respond to MRQ */
683 #define IEEE80211_HTCAP_HTC 0x0400 /* +HTC support */
684 #define IEEE80211_HTCAP_RDR 0x0800 /* reverse direction responder*/
685 /* bits 12-15 reserved */
688 * 802.11n HT Information IE
690 struct ieee80211_ie_htinfo {
691 uint8_t hi_id; /* element ID */
692 uint8_t hi_len; /* length in bytes */
693 uint8_t hi_ctrlchannel; /* primary channel */
694 uint8_t hi_byte1; /* ht ie byte 1 */
695 uint8_t hi_byte2; /* ht ie byte 2 */
696 uint8_t hi_byte3; /* ht ie byte 3 */
697 uint16_t hi_byte45; /* ht ie bytes 4+5 */
698 uint8_t hi_basicmcsset[16]; /* basic MCS set */
702 #define IEEE80211_HTINFO_2NDCHAN 0x03 /* secondary/ext chan offset */
703 #define IEEE80211_HTINFO_2NDCHAN_S 0
704 #define IEEE80211_HTINFO_2NDCHAN_NONE 0x00 /* no secondary/ext channel */
705 #define IEEE80211_HTINFO_2NDCHAN_ABOVE 0x01 /* above private channel */
706 /* NB: 2 is reserved */
707 #define IEEE80211_HTINFO_2NDCHAN_BELOW 0x03 /* below primary channel */
708 #define IEEE80211_HTINFO_TXWIDTH 0x04 /* tx channel width */
709 #define IEEE80211_HTINFO_TXWIDTH_20 0x00 /* 20MHz width */
710 #define IEEE80211_HTINFO_TXWIDTH_2040 0x04 /* any supported width */
711 #define IEEE80211_HTINFO_RIFSMODE 0x08 /* Reduced IFS (RIFS) use */
712 #define IEEE80211_HTINFO_RIFSMODE_PROH 0x00 /* RIFS use prohibited */
713 #define IEEE80211_HTINFO_RIFSMODE_PERM 0x08 /* RIFS use permitted */
714 #define IEEE80211_HTINFO_PMSPONLY 0x10 /* PSMP required to associate */
715 #define IEEE80211_HTINFO_SIGRAN 0xe0 /* shortest Service Interval */
716 #define IEEE80211_HTINFO_SIGRAN_S 5
717 #define IEEE80211_HTINFO_SIGRAN_5 0x00 /* 5 ms */
721 #define IEEE80211_HTINFO_OPMODE 0x03 /* operating mode */
722 #define IEEE80211_HTINFO_OPMODE_S 0
723 #define IEEE80211_HTINFO_OPMODE_PURE 0x00 /* no protection */
724 #define IEEE80211_HTINFO_OPMODE_PROTOPT 0x01 /* protection optional */
725 #define IEEE80211_HTINFO_OPMODE_HT20PR 0x02 /* protection for HT20 sta's */
726 #define IEEE80211_HTINFO_OPMODE_MIXED 0x03 /* protection for legacy sta's*/
727 #define IEEE80211_HTINFO_NONGF_PRESENT 0x04 /* non-GF sta's present */
728 #define IEEE80211_HTINFO_TXBL 0x08 /* transmit burst limit */
729 #define IEEE80211_HTINFO_NONHT_PRESENT 0x10 /* non-HT sta's present */
730 /* bits 5-15 reserved */
733 #define IEEE80211_HTINFO_2NDARYBEACON 0x01
734 #define IEEE80211_HTINFO_LSIGTXOPPROT 0x02
735 #define IEEE80211_HTINFO_PCO_ACTIVE 0x04
736 #define IEEE80211_HTINFO_40MHZPHASE 0x08
739 #define IEEE80211_HTINFO_BASIC_STBCMCS 0x7f
740 #define IEEE80211_HTINFO_BASIC_STBCMCS_S 0
741 #define IEEE80211_HTINFO_DUALPROTECTED 0x80
745 * 802.11ac definitions - 802.11ac-2013 .
749 * Maximum length of A-MPDU that the STA can RX in VHT.
750 * Length = 2 ^ (13 + max_ampdu_length_exp) - 1 (octets)
752 #define IEEE80211_VHTCAP_MAX_AMPDU_8K 0
753 #define IEEE80211_VHTCAP_MAX_AMPDU_16K 1
754 #define IEEE80211_VHTCAP_MAX_AMPDU_32K 2
755 #define IEEE80211_VHTCAP_MAX_AMPDU_64K 3
756 #define IEEE80211_VHTCAP_MAX_AMPDU_128K 4
757 #define IEEE80211_VHTCAP_MAX_AMPDU_256K 5
758 #define IEEE80211_VHTCAP_MAX_AMPDU_512K 6
759 #define IEEE80211_VHTCAP_MAX_AMPDU_1024K 7
762 * VHT MCS information.
763 * + rx_highest/tx_highest: optional; maximum long GI VHT PPDU
764 * data rate. 1Mbit/sec units.
765 * + rx_mcs_map/tx_mcs_map: bitmap of per-stream supported MCS;
768 #define IEEE80211_VHT_MCS_SUPPORT_0_7 0 /* MCS0-7 */
769 #define IEEE80211_VHT_MCS_SUPPORT_0_8 1 /* MCS0-8 */
770 #define IEEE80211_VHT_MCS_SUPPORT_0_9 2 /* MCS0-9 */
771 #define IEEE80211_VHT_MCS_NOT_SUPPORTED 3 /* not supported */
773 struct ieee80211_vht_mcs_info {
780 /* VHT capabilities element: 802.11ac-2013 8.4.2.160 */
781 struct ieee80211_ie_vhtcap {
784 uint32_t vht_cap_info;
785 struct ieee80211_vht_mcs_info supp_mcs;
788 /* VHT operation mode subfields - 802.11ac-2013 Table 8.183x */
789 #define IEEE80211_VHT_CHANWIDTH_USE_HT 0 /* Use HT IE for chw */
790 #define IEEE80211_VHT_CHANWIDTH_80MHZ 1 /* 80MHz */
791 #define IEEE80211_VHT_CHANWIDTH_160MHZ 2 /* 160MHz */
792 #define IEEE80211_VHT_CHANWIDTH_80P80MHZ 3 /* 80+80MHz */
794 /* VHT operation IE - 802.11ac-2013 8.4.2.161 */
795 struct ieee80211_ie_vht_operation {
799 uint8_t center_freq_seg1_idx;
800 uint8_t center_freq_seg2_idx;
801 uint16_t basic_mcs_set;
804 /* 802.11ac VHT Capabilities */
805 #define IEEE80211_VHTCAP_MAX_MPDU_LENGTH_3895 0x00000000
806 #define IEEE80211_VHTCAP_MAX_MPDU_LENGTH_7991 0x00000001
807 #define IEEE80211_VHTCAP_MAX_MPDU_LENGTH_11454 0x00000002
808 #define IEEE80211_VHTCAP_MAX_MPDU_MASK 0x00000003
809 #define IEEE80211_VHTCAP_MAX_MPDU_MASK_S 0
811 #define IEEE80211_VHTCAP_SUPP_CHAN_WIDTH_MASK 0x0000000C
812 #define IEEE80211_VHTCAP_SUPP_CHAN_WIDTH_MASK_S 2
813 #define IEEE80211_VHTCAP_SUPP_CHAN_WIDTH_NONE 0
814 #define IEEE80211_VHTCAP_SUPP_CHAN_WIDTH_160MHZ 1
815 #define IEEE80211_VHTCAP_SUPP_CHAN_WIDTH_160_80P80MHZ 2
816 #define IEEE80211_VHTCAP_SUPP_CHAN_WIDTH_RESERVED 3
818 #define IEEE80211_VHTCAP_RXLDPC 0x00000010
819 #define IEEE80211_VHTCAP_RXLDPC_S 4
821 #define IEEE80211_VHTCAP_SHORT_GI_80 0x00000020
822 #define IEEE80211_VHTCAP_SHORT_GI_80_S 5
824 #define IEEE80211_VHTCAP_SHORT_GI_160 0x00000040
825 #define IEEE80211_VHTCAP_SHORT_GI_160_S 6
827 #define IEEE80211_VHTCAP_TXSTBC 0x00000080
828 #define IEEE80211_VHTCAP_TXSTBC_S 7
830 #define IEEE80211_VHTCAP_RXSTBC_1 0x00000100
831 #define IEEE80211_VHTCAP_RXSTBC_2 0x00000200
832 #define IEEE80211_VHTCAP_RXSTBC_3 0x00000300
833 #define IEEE80211_VHTCAP_RXSTBC_4 0x00000400
834 #define IEEE80211_VHTCAP_RXSTBC_MASK 0x00000700
835 #define IEEE80211_VHTCAP_RXSTBC_MASK_S 8
837 #define IEEE80211_VHTCAP_SU_BEAMFORMER_CAPABLE 0x00000800
838 #define IEEE80211_VHTCAP_SU_BEAMFORMER_CAPABLE_S 11
840 #define IEEE80211_VHTCAP_SU_BEAMFORMEE_CAPABLE 0x00001000
841 #define IEEE80211_VHTCAP_SU_BEAMFORMEE_CAPABLE_S 12
843 #define IEEE80211_VHTCAP_BEAMFORMEE_STS_SHIFT 13
844 #define IEEE80211_VHTCAP_BEAMFORMEE_STS_MASK \
845 (7 << IEEE80211_VHTCAP_BEAMFORMEE_STS_SHIFT)
846 #define IEEE80211_VHTCAP_BEAMFORMEE_STS_MASK_S 13
848 #define IEEE80211_VHTCAP_SOUNDING_DIMENSIONS_SHIFT 16
849 #define IEEE80211_VHTCAP_SOUNDING_DIMENSIONS_MASK \
850 (7 << IEEE80211_VHTCAP_SOUNDING_DIMENSIONS_SHIFT)
851 #define IEEE80211_VHTCAP_SOUNDING_DIMENSIONS_MASK_S 16
853 #define IEEE80211_VHTCAP_MU_BEAMFORMER_CAPABLE 0x00080000
854 #define IEEE80211_VHTCAP_MU_BEAMFORMER_CAPABLE_S 19
855 #define IEEE80211_VHTCAP_MU_BEAMFORMEE_CAPABLE 0x00100000
856 #define IEEE80211_VHTCAP_MU_BEAMFORMEE_CAPABLE_S 20
857 #define IEEE80211_VHTCAP_VHT_TXOP_PS 0x00200000
858 #define IEEE80211_VHTCAP_VHT_TXOP_PS_S 21
859 #define IEEE80211_VHTCAP_HTC_VHT 0x00400000
860 #define IEEE80211_VHTCAP_HTC_VHT_S 22
862 #define IEEE80211_VHTCAP_MAX_A_MPDU_LENGTH_EXPONENT_SHIFT 23
863 #define IEEE80211_VHTCAP_MAX_A_MPDU_LENGTH_EXPONENT_MASK \
864 (7 << IEEE80211_VHTCAP_MAX_A_MPDU_LENGTH_EXPONENT_SHIFT)
865 #define IEEE80211_VHTCAP_MAX_A_MPDU_LENGTH_EXPONENT_MASK_S 23
867 #define IEEE80211_VHTCAP_VHT_LINK_ADAPTATION_VHT_MASK 0x0c000000
868 #define IEEE80211_VHTCAP_VHT_LINK_ADAPTATION_VHT_UNSOL_MFB 0x08000000
869 #define IEEE80211_VHTCAP_VHT_LINK_ADAPTATION_VHT_MRQ_MFB 0x0c000000
870 #define IEEE80211_VHTCAP_VHT_LINK_ADAPTATION_VHT_MASK_S 26
872 #define IEEE80211_VHTCAP_RX_ANTENNA_PATTERN 0x10000000
873 #define IEEE80211_VHTCAP_RX_ANTENNA_PATTERN_S 28
874 #define IEEE80211_VHTCAP_TX_ANTENNA_PATTERN 0x20000000
875 #define IEEE80211_VHTCAP_TX_ANTENNA_PATTERN_S 29
878 * XXX TODO: add the rest of the bits
880 #define IEEE80211_VHTCAP_BITS \
881 "\20\1MPDU7991\2MPDU11454\3CHAN160\4CHAN8080\5RXLDPC\6SHORTGI80" \
882 "\7SHORTGI160\10RXSTBC1\11RXSTBC2\12RXSTBC3\13RXSTBC4\14BFERCAP" \
883 "\15BFEECAP\27VHT\37RXANTPTN\40TXANTPTN"
886 * VHT Transmit Power Envelope element - 802.11ac-2013 8.4.2.164
888 * This defines the maximum transmit power for various bandwidths.
891 * Count is how many elements follow and what they're for:
896 * 3 - 20+40+80+(160, 80+80) MHz
898 #define IEEE80211_VHT_TXPWRENV_INFO_COUNT_SHIFT 0
899 #define IEEE80211_VHT_TXPWRENV_INFO_COUNT_MASK 0x07
902 * Unit is the tx power representation. It should be EIRP for now;
903 * other values are reserved.
905 #define IEEE80211_VHT_TXPWRENV_UNIT_MASK 0x38
906 #define IEEE80211_VHT_TXPWRENV_UNIT_SHIFT 3
908 /* This value is within the unit mask/shift above */
909 #define IEEE80211_VHT_TXPWRENV_UNIT_EIRP 0
911 struct ieee80211_ie_vht_txpwrenv {
915 int8_t tx_elem[0]; /* TX power elements, 1/2 dB, signed */
918 /* VHT action codes */
919 #define WLAN_ACTION_VHT_COMPRESSED_BF 0
920 #define WLAN_ACTION_VHT_GROUPID_MGMT 1
921 #define WLAN_ACTION_VHT_OPMODE_NOTIF 2
924 * Management information element payloads.
928 IEEE80211_ELEMID_SSID = 0,
929 IEEE80211_ELEMID_RATES = 1,
930 IEEE80211_ELEMID_FHPARMS = 2,
931 IEEE80211_ELEMID_DSPARMS = 3,
932 IEEE80211_ELEMID_CFPARMS = 4,
933 IEEE80211_ELEMID_TIM = 5,
934 IEEE80211_ELEMID_IBSSPARMS = 6,
935 IEEE80211_ELEMID_COUNTRY = 7,
936 IEEE80211_ELEMID_BSSLOAD = 11,
937 IEEE80211_ELEMID_TSPEC = 13,
938 IEEE80211_ELEMID_TCLAS = 14,
939 IEEE80211_ELEMID_CHALLENGE = 16,
940 /* 17-31 reserved for challenge text extension */
941 IEEE80211_ELEMID_PWRCNSTR = 32,
942 IEEE80211_ELEMID_PWRCAP = 33,
943 IEEE80211_ELEMID_TPCREQ = 34,
944 IEEE80211_ELEMID_TPCREP = 35,
945 IEEE80211_ELEMID_SUPPCHAN = 36,
946 IEEE80211_ELEMID_CSA = 37,
947 IEEE80211_ELEMID_MEASREQ = 38,
948 IEEE80211_ELEMID_MEASREP = 39,
949 IEEE80211_ELEMID_QUIET = 40,
950 IEEE80211_ELEMID_IBSSDFS = 41,
951 IEEE80211_ELEMID_ERP = 42,
952 IEEE80211_ELEMID_HTCAP = 45,
953 IEEE80211_ELEMID_QOS = 46,
954 IEEE80211_ELEMID_RESERVED_47 = 47,
955 IEEE80211_ELEMID_RSN = 48,
956 IEEE80211_ELEMID_XRATES = 50,
957 IEEE80211_ELEMID_APCHANREP = 51,
958 IEEE80211_ELEMID_MOBILITY_DOMAIN = 54,
959 IEEE80211_ELEMID_HTINFO = 61,
960 IEEE80211_ELEMID_SECCHAN_OFFSET = 62,
961 IEEE80211_ELEMID_RRM_ENACAPS = 70,
962 IEEE80211_ELEMID_MULTIBSSID = 71,
963 IEEE80211_ELEMID_COEX_2040 = 72,
964 IEEE80211_ELEMID_INTOL_CHN_REPORT = 73,
965 IEEE80211_ELEMID_OVERLAP_BSS_SCAN_PARAM = 74,
966 IEEE80211_ELEMID_TSF_REQ = 91,
967 IEEE80211_ELEMID_TSF_RESP = 92,
968 IEEE80211_ELEMID_WNM_SLEEP_MODE = 93,
969 IEEE80211_ELEMID_TIM_BCAST_REQ = 94,
970 IEEE80211_ELEMID_TIM_BCAST_RESP = 95,
971 IEEE80211_ELEMID_TPC = 150,
972 IEEE80211_ELEMID_CCKM = 156,
973 IEEE80211_ELEMID_VENDOR = 221, /* vendor private */
977 * NB: On vanilla Linux still IEEE80211_ELEMID_MESHPEER = 55,
978 * but they defined a new with id 117 called PEER_MGMT.
979 * NB: complies with open80211
981 IEEE80211_ELEMID_MESHCONF = 113,
982 IEEE80211_ELEMID_MESHID = 114,
983 IEEE80211_ELEMID_MESHLINK = 115,
984 IEEE80211_ELEMID_MESHCNGST = 116,
985 IEEE80211_ELEMID_MESHPEER = 117,
986 IEEE80211_ELEMID_MESHCSA = 118,
987 IEEE80211_ELEMID_MESHTIM = 39, /* XXX: remove */
988 IEEE80211_ELEMID_MESHAWAKEW = 119,
989 IEEE80211_ELEMID_MESHBEACONT = 120,
990 /* 121-124 MMCAOP not implemented yet */
991 IEEE80211_ELEMID_MESHGANN = 125,
992 IEEE80211_ELEMID_MESHRANN = 126,
993 /* 127 Extended Capabilities */
994 IEEE80211_ELEMID_EXTCAP = 127,
995 /* 128-129 reserved */
996 IEEE80211_ELEMID_MESHPREQ = 130,
997 IEEE80211_ELEMID_MESHPREP = 131,
998 IEEE80211_ELEMID_MESHPERR = 132,
999 /* 133-136 reserved */
1000 IEEE80211_ELEMID_MESHPXU = 137,
1001 IEEE80211_ELEMID_MESHPXUC = 138,
1002 IEEE80211_ELEMID_MESHAH = 60, /* XXX: remove */
1005 IEEE80211_ELEMID_VHT_CAP = 191,
1006 IEEE80211_ELEMID_VHT_OPMODE = 192,
1007 IEEE80211_ELEMID_VHT_PWR_ENV = 195,
1010 struct ieee80211_tim_ie {
1011 uint8_t tim_ie; /* IEEE80211_ELEMID_TIM */
1013 uint8_t tim_count; /* DTIM count */
1014 uint8_t tim_period; /* DTIM period */
1015 uint8_t tim_bitctl; /* bitmap control */
1016 uint8_t tim_bitmap[1]; /* variable-length bitmap */
1019 struct ieee80211_country_ie {
1020 uint8_t ie; /* IEEE80211_ELEMID_COUNTRY */
1022 uint8_t cc[3]; /* ISO CC+(I)ndoor/(O)utdoor */
1024 uint8_t schan; /* starting channel */
1025 uint8_t nchan; /* number channels */
1026 uint8_t maxtxpwr; /* tx power cap */
1027 } __packed band[1]; /* sub bands (NB: var size) */
1030 #define IEEE80211_COUNTRY_MAX_BANDS 84 /* max possible bands */
1031 #define IEEE80211_COUNTRY_MAX_SIZE \
1032 (sizeof(struct ieee80211_country_ie) + 3*(IEEE80211_COUNTRY_MAX_BANDS-1))
1034 struct ieee80211_bss_load_ie {
1037 uint16_t sta_count; /* station count */
1038 uint8_t chan_load; /* channel utilization */
1039 uint8_t aac; /* available admission capacity */
1042 struct ieee80211_ap_chan_report_ie {
1045 uint8_t i_class; /* operating class */
1046 /* Annex E, E.1 Country information and operating classes */
1047 uint8_t chan_list[0];
1050 #define IEEE80211_EXTCAP_CMS (1ULL << 0) /* 20/40 BSS coexistence management support */
1051 #define IEEE80211_EXTCAP_RSVD_1 (1ULL << 1)
1052 #define IEEE80211_EXTCAP_ECS (1ULL << 2) /* extended channel switching */
1053 #define IEEE80211_EXTCAP_RSVD_3 (1ULL << 3)
1054 #define IEEE80211_EXTCAP_PSMP_CAP (1ULL << 4) /* PSMP capability */
1055 #define IEEE80211_EXTCAP_RSVD_5 (1ULL << 5)
1056 #define IEEE80211_EXTCAP_S_PSMP_SUPP (1ULL << 6)
1057 #define IEEE80211_EXTCAP_EVENT (1ULL << 7)
1058 #define IEEE80211_EXTCAP_DIAGNOSTICS (1ULL << 8)
1059 #define IEEE80211_EXTCAP_MCAST_DIAG (1ULL << 9)
1060 #define IEEE80211_EXTCAP_LOC_TRACKING (1ULL << 10)
1061 #define IEEE80211_EXTCAP_FMS (1ULL << 11)
1062 #define IEEE80211_EXTCAP_PROXY_ARP (1ULL << 12)
1063 #define IEEE80211_EXTCAP_CIR (1ULL << 13) /* collocated interference reporting */
1064 #define IEEE80211_EXTCAP_CIVIC_LOC (1ULL << 14)
1065 #define IEEE80211_EXTCAP_GEOSPATIAL_LOC (1ULL << 15)
1066 #define IEEE80211_EXTCAP_TFS (1ULL << 16)
1067 #define IEEE80211_EXTCAP_WNM_SLEEPMODE (1ULL << 17)
1068 #define IEEE80211_EXTCAP_TIM_BROADCAST (1ULL << 18)
1069 #define IEEE80211_EXTCAP_BSS_TRANSITION (1ULL << 19)
1070 #define IEEE80211_EXTCAP_QOS_TRAF_CAP (1ULL << 20)
1071 #define IEEE80211_EXTCAP_AC_STA_COUNT (1ULL << 21)
1072 #define IEEE80211_EXTCAP_M_BSSID (1ULL << 22) /* multiple BSSID field */
1073 #define IEEE80211_EXTCAP_TIMING_MEAS (1ULL << 23)
1074 #define IEEE80211_EXTCAP_CHAN_USAGE (1ULL << 24)
1075 #define IEEE80211_EXTCAP_SSID_LIST (1ULL << 25)
1076 #define IEEE80211_EXTCAP_DMS (1ULL << 26)
1077 #define IEEE80211_EXTCAP_UTC_TSF_OFFSET (1ULL << 27)
1078 #define IEEE80211_EXTCAP_TLDS_BUF_STA_SUPP (1ULL << 28) /* TDLS peer U-APSP buffer STA support */
1079 #define IEEE80211_EXTCAP_TLDS_PPSM_SUPP (1ULL << 29) /* TDLS peer PSM support */
1080 #define IEEE80211_EXTCAP_TLDS_CH_SW (1ULL << 30) /* TDLS channel switching */
1081 #define IEEE80211_EXTCAP_INTERWORKING (1ULL << 31)
1082 #define IEEE80211_EXTCAP_QOSMAP (1ULL << 32)
1083 #define IEEE80211_EXTCAP_EBR (1ULL << 33)
1084 #define IEEE80211_EXTCAP_SSPN_IF (1ULL << 34)
1085 #define IEEE80211_EXTCAP_RSVD_35 (1ULL << 35)
1086 #define IEEE80211_EXTCAP_MSGCF_CAP (1ULL << 36)
1087 #define IEEE80211_EXTCAP_TLDS_SUPP (1ULL << 37)
1088 #define IEEE80211_EXTCAP_TLDS_PROHIB (1ULL << 38)
1089 #define IEEE80211_EXTCAP_TLDS_CH_SW_PROHIB (1ULL << 39) /* TDLS channel switching prohibited */
1090 #define IEEE80211_EXTCAP_RUF (1ULL << 40) /* reject unadmitted frame */
1091 /* service interval granularity */
1092 #define IEEE80211_EXTCAP_SIG \
1093 ((1ULL << 41) | (1ULL << 42) | (1ULL << 43))
1094 #define IEEE80211_EXTCAP_ID_LOC (1ULL << 44)
1095 #define IEEE80211_EXTCAP_U_APSD_COEX (1ULL << 45)
1096 #define IEEE80211_EXTCAP_WNM_NOTIFICATION (1ULL << 46)
1097 #define IEEE80211_EXTCAP_RSVD_47 (1ULL << 47)
1098 #define IEEE80211_EXTCAP_SSID (1ULL << 48) /* UTF-8 SSID */
1099 /* bits 49-n are reserved */
1101 struct ieee80211_extcap_ie {
1107 * 802.11h Quiet Time Element.
1109 struct ieee80211_quiet_ie {
1110 uint8_t quiet_ie; /* IEEE80211_ELEMID_QUIET */
1112 uint8_t tbttcount; /* quiet start */
1113 uint8_t period; /* beacon intervals between quiets */
1114 uint16_t duration; /* TUs of each quiet*/
1115 uint16_t offset; /* TUs of from TBTT of quiet start */
1119 * 802.11h Channel Switch Announcement (CSA).
1121 struct ieee80211_csa_ie {
1122 uint8_t csa_ie; /* IEEE80211_ELEMID_CHANSWITCHANN */
1124 uint8_t csa_mode; /* Channel Switch Mode */
1125 uint8_t csa_newchan; /* New Channel Number */
1126 uint8_t csa_count; /* Channel Switch Count */
1130 * Note the min acceptable CSA count is used to guard against
1131 * malicious CSA injection in station mode. Defining this value
1132 * as other than 0 violates the 11h spec.
1134 #define IEEE80211_CSA_COUNT_MIN 2
1135 #define IEEE80211_CSA_COUNT_MAX 255
1137 /* rate set entries are in .5 Mb/s units, and potentially marked as basic */
1138 #define IEEE80211_RATE_BASIC 0x80
1139 #define IEEE80211_RATE_VAL 0x7f
1140 #define IEEE80211_RV(v) ((v) & IEEE80211_RATE_VAL)
1142 /* ERP information element flags */
1143 #define IEEE80211_ERP_NON_ERP_PRESENT 0x01
1144 #define IEEE80211_ERP_USE_PROTECTION 0x02
1145 #define IEEE80211_ERP_LONG_PREAMBLE 0x04
1147 #define IEEE80211_ERP_BITS \
1148 "\20\1NON_ERP_PRESENT\2USE_PROTECTION\3LONG_PREAMBLE"
1150 #define ATH_OUI 0x7f0300 /* Atheros OUI */
1151 #define ATH_OUI_TYPE 0x01 /* Atheros protocol ie */
1153 /* NB: Atheros allocated the OUI for this purpose ~2005 but beware ... */
1154 #define TDMA_OUI ATH_OUI
1155 #define TDMA_OUI_TYPE 0x02 /* TDMA protocol ie */
1157 #define BCM_OUI 0x4c9000 /* Broadcom OUI */
1158 #define BCM_OUI_HTCAP 51 /* pre-draft HTCAP ie */
1159 #define BCM_OUI_HTINFO 52 /* pre-draft HTINFO ie */
1161 #define WPA_OUI 0xf25000
1162 #define WPA_OUI_TYPE 0x01
1163 #define WPA_VERSION 1 /* current supported version */
1165 #define WPA_CSE_NULL 0x00
1166 #define WPA_CSE_WEP40 0x01
1167 #define WPA_CSE_TKIP 0x02
1168 #define WPA_CSE_CCMP 0x04
1169 #define WPA_CSE_WEP104 0x05
1171 #define WPA_ASE_NONE 0x00
1172 #define WPA_ASE_8021X_UNSPEC 0x01
1173 #define WPA_ASE_8021X_PSK 0x02
1175 #define WPS_OUI_TYPE 0x04
1177 #define RSN_OUI 0xac0f00
1178 #define RSN_VERSION 1 /* current supported version */
1180 #define RSN_CSE_NULL 0x00
1181 #define RSN_CSE_WEP40 0x01
1182 #define RSN_CSE_TKIP 0x02
1183 #define RSN_CSE_WRAP 0x03
1184 #define RSN_CSE_CCMP 0x04
1185 #define RSN_CSE_WEP104 0x05
1187 #define RSN_ASE_NONE 0x00
1188 #define RSN_ASE_8021X_UNSPEC 0x01
1189 #define RSN_ASE_8021X_PSK 0x02
1191 #define RSN_CAP_PREAUTH 0x01
1193 #define WME_OUI 0xf25000
1194 #define WME_OUI_TYPE 0x02
1195 #define WME_INFO_OUI_SUBTYPE 0x00
1196 #define WME_PARAM_OUI_SUBTYPE 0x01
1197 #define WME_VERSION 1
1199 /* WME stream classes */
1200 #define WME_AC_BE 0 /* best effort */
1201 #define WME_AC_BK 1 /* background */
1202 #define WME_AC_VI 2 /* video */
1203 #define WME_AC_VO 3 /* voice */
1206 * AUTH management packets
1213 * octet chal.text[253] NB: 1-253 bytes
1216 /* challenge length for shared key auth */
1217 #define IEEE80211_CHALLENGE_LEN 128
1219 #define IEEE80211_AUTH_ALG_OPEN 0x0000
1220 #define IEEE80211_AUTH_ALG_SHARED 0x0001
1221 #define IEEE80211_AUTH_ALG_LEAP 0x0080
1224 IEEE80211_AUTH_OPEN_REQUEST = 1,
1225 IEEE80211_AUTH_OPEN_RESPONSE = 2,
1229 IEEE80211_AUTH_SHARED_REQUEST = 1,
1230 IEEE80211_AUTH_SHARED_CHALLENGE = 2,
1231 IEEE80211_AUTH_SHARED_RESPONSE = 3,
1232 IEEE80211_AUTH_SHARED_PASS = 4,
1236 * Reason and status codes.
1238 * Reason codes are used in management frames to indicate why an
1239 * action took place (e.g. on disassociation). Status codes are
1240 * used in management frames to indicate the result of an operation.
1242 * Unlisted codes are reserved
1246 IEEE80211_REASON_UNSPECIFIED = 1,
1247 IEEE80211_REASON_AUTH_EXPIRE = 2,
1248 IEEE80211_REASON_AUTH_LEAVE = 3,
1249 IEEE80211_REASON_ASSOC_EXPIRE = 4,
1250 IEEE80211_REASON_ASSOC_TOOMANY = 5,
1251 IEEE80211_REASON_NOT_AUTHED = 6,
1252 IEEE80211_REASON_NOT_ASSOCED = 7,
1253 IEEE80211_REASON_ASSOC_LEAVE = 8,
1254 IEEE80211_REASON_ASSOC_NOT_AUTHED = 9,
1255 IEEE80211_REASON_DISASSOC_PWRCAP_BAD = 10, /* 11h */
1256 IEEE80211_REASON_DISASSOC_SUPCHAN_BAD = 11, /* 11h */
1257 IEEE80211_REASON_IE_INVALID = 13, /* 11i */
1258 IEEE80211_REASON_MIC_FAILURE = 14, /* 11i */
1259 IEEE80211_REASON_4WAY_HANDSHAKE_TIMEOUT = 15, /* 11i */
1260 IEEE80211_REASON_GROUP_KEY_UPDATE_TIMEOUT = 16, /* 11i */
1261 IEEE80211_REASON_IE_IN_4WAY_DIFFERS = 17, /* 11i */
1262 IEEE80211_REASON_GROUP_CIPHER_INVALID = 18, /* 11i */
1263 IEEE80211_REASON_PAIRWISE_CIPHER_INVALID= 19, /* 11i */
1264 IEEE80211_REASON_AKMP_INVALID = 20, /* 11i */
1265 IEEE80211_REASON_UNSUPP_RSN_IE_VERSION = 21, /* 11i */
1266 IEEE80211_REASON_INVALID_RSN_IE_CAP = 22, /* 11i */
1267 IEEE80211_REASON_802_1X_AUTH_FAILED = 23, /* 11i */
1268 IEEE80211_REASON_CIPHER_SUITE_REJECTED = 24, /* 11i */
1269 IEEE80211_REASON_UNSPECIFIED_QOS = 32, /* 11e */
1270 IEEE80211_REASON_INSUFFICIENT_BW = 33, /* 11e */
1271 IEEE80211_REASON_TOOMANY_FRAMES = 34, /* 11e */
1272 IEEE80211_REASON_OUTSIDE_TXOP = 35, /* 11e */
1273 IEEE80211_REASON_LEAVING_QBSS = 36, /* 11e */
1274 IEEE80211_REASON_BAD_MECHANISM = 37, /* 11e */
1275 IEEE80211_REASON_SETUP_NEEDED = 38, /* 11e */
1276 IEEE80211_REASON_TIMEOUT = 39, /* 11e */
1278 IEEE80211_REASON_PEER_LINK_CANCELED = 52, /* 11s */
1279 IEEE80211_REASON_MESH_MAX_PEERS = 53, /* 11s */
1280 IEEE80211_REASON_MESH_CPVIOLATION = 54, /* 11s */
1281 IEEE80211_REASON_MESH_CLOSE_RCVD = 55, /* 11s */
1282 IEEE80211_REASON_MESH_MAX_RETRIES = 56, /* 11s */
1283 IEEE80211_REASON_MESH_CONFIRM_TIMEOUT = 57, /* 11s */
1284 IEEE80211_REASON_MESH_INVALID_GTK = 58, /* 11s */
1285 IEEE80211_REASON_MESH_INCONS_PARAMS = 59, /* 11s */
1286 IEEE80211_REASON_MESH_INVALID_SECURITY = 60, /* 11s */
1287 IEEE80211_REASON_MESH_PERR_NO_PROXY = 61, /* 11s */
1288 IEEE80211_REASON_MESH_PERR_NO_FI = 62, /* 11s */
1289 IEEE80211_REASON_MESH_PERR_DEST_UNREACH = 63, /* 11s */
1290 IEEE80211_REASON_MESH_MAC_ALRDY_EXISTS_MBSS = 64, /* 11s */
1291 IEEE80211_REASON_MESH_CHAN_SWITCH_REG = 65, /* 11s */
1292 IEEE80211_REASON_MESH_CHAN_SWITCH_UNSPEC = 66, /* 11s */
1294 IEEE80211_STATUS_SUCCESS = 0,
1295 IEEE80211_STATUS_UNSPECIFIED = 1,
1296 IEEE80211_STATUS_CAPINFO = 10,
1297 IEEE80211_STATUS_NOT_ASSOCED = 11,
1298 IEEE80211_STATUS_OTHER = 12,
1299 IEEE80211_STATUS_ALG = 13,
1300 IEEE80211_STATUS_SEQUENCE = 14,
1301 IEEE80211_STATUS_CHALLENGE = 15,
1302 IEEE80211_STATUS_TIMEOUT = 16,
1303 IEEE80211_STATUS_TOOMANY = 17,
1304 IEEE80211_STATUS_BASIC_RATE = 18,
1305 IEEE80211_STATUS_SP_REQUIRED = 19, /* 11b */
1306 IEEE80211_STATUS_PBCC_REQUIRED = 20, /* 11b */
1307 IEEE80211_STATUS_CA_REQUIRED = 21, /* 11b */
1308 IEEE80211_STATUS_SPECMGMT_REQUIRED = 22, /* 11h */
1309 IEEE80211_STATUS_PWRCAP_REQUIRED = 23, /* 11h */
1310 IEEE80211_STATUS_SUPCHAN_REQUIRED = 24, /* 11h */
1311 IEEE80211_STATUS_SHORTSLOT_REQUIRED = 25, /* 11g */
1312 IEEE80211_STATUS_DSSSOFDM_REQUIRED = 26, /* 11g */
1313 IEEE80211_STATUS_MISSING_HT_CAPS = 27, /* 11n D3.0 */
1314 IEEE80211_STATUS_INVALID_IE = 40, /* 11i */
1315 IEEE80211_STATUS_GROUP_CIPHER_INVALID = 41, /* 11i */
1316 IEEE80211_STATUS_PAIRWISE_CIPHER_INVALID = 42, /* 11i */
1317 IEEE80211_STATUS_AKMP_INVALID = 43, /* 11i */
1318 IEEE80211_STATUS_UNSUPP_RSN_IE_VERSION = 44, /* 11i */
1319 IEEE80211_STATUS_INVALID_RSN_IE_CAP = 45, /* 11i */
1320 IEEE80211_STATUS_CIPHER_SUITE_REJECTED = 46, /* 11i */
1323 #define IEEE80211_WEP_KEYLEN 5 /* 40bit */
1324 #define IEEE80211_WEP_IVLEN 3 /* 24bit */
1325 #define IEEE80211_WEP_KIDLEN 1 /* 1 octet */
1326 #define IEEE80211_WEP_CRCLEN 4 /* CRC-32 */
1327 #define IEEE80211_WEP_TOTLEN (IEEE80211_WEP_IVLEN + \
1328 IEEE80211_WEP_KIDLEN + \
1329 IEEE80211_WEP_CRCLEN)
1330 #define IEEE80211_WEP_NKID 4 /* number of key ids */
1333 * 802.11i defines an extended IV for use with non-WEP ciphers.
1334 * When the EXTIV bit is set in the key id byte an additional
1335 * 4 bytes immediately follow the IV for TKIP. For CCMP the
1336 * EXTIV bit is likewise set but the 8 bytes represent the
1337 * CCMP header rather than IV+extended-IV.
1339 #define IEEE80211_WEP_EXTIV 0x20
1340 #define IEEE80211_WEP_EXTIVLEN 4 /* extended IV length */
1341 #define IEEE80211_WEP_MICLEN 8 /* trailing MIC */
1343 #define IEEE80211_CRC_LEN 4
1346 * Maximum acceptable MTU is:
1347 * IEEE80211_MAX_LEN - WEP overhead - CRC -
1348 * QoS overhead - RSN/WPA overhead
1349 * Min is arbitrarily chosen > IEEE80211_MIN_LEN. The default
1350 * mtu is Ethernet-compatible; it's set by ether_ifattach.
1352 #define IEEE80211_MTU_MAX 2290
1353 #define IEEE80211_MTU_MIN 32
1355 #define IEEE80211_MAX_LEN (2300 + IEEE80211_CRC_LEN + \
1356 (IEEE80211_WEP_IVLEN + IEEE80211_WEP_KIDLEN + IEEE80211_WEP_CRCLEN))
1357 #define IEEE80211_ACK_LEN \
1358 (sizeof(struct ieee80211_frame_ack) + IEEE80211_CRC_LEN)
1359 #define IEEE80211_MIN_LEN \
1360 (sizeof(struct ieee80211_frame_min) + IEEE80211_CRC_LEN)
1363 * The 802.11 spec says at most 2007 stations may be
1364 * associated at once. For most AP's this is way more
1365 * than is feasible so we use a default of IEEE80211_AID_DEF.
1366 * This number may be overridden by the driver and/or by
1367 * user configuration but may not be less than IEEE80211_AID_MIN
1368 * (see _ieee80211.h for implementation-specific settings).
1370 #define IEEE80211_AID_MAX 2007
1372 #define IEEE80211_AID(b) ((b) &~ 0xc000)
1375 * RTS frame length parameters. The default is specified in
1376 * the 802.11 spec as 512; we treat it as implementation-dependent
1377 * so it's defined in ieee80211_var.h. The max may be wrong
1380 #define IEEE80211_RTS_MIN 1
1381 #define IEEE80211_RTS_MAX 2346
1384 * TX fragmentation parameters. As above for RTS, we treat
1385 * default as implementation-dependent so define it elsewhere.
1387 #define IEEE80211_FRAG_MIN 256
1388 #define IEEE80211_FRAG_MAX 2346
1391 * Beacon interval (TU's). Min+max come from WiFi requirements.
1392 * As above, we treat default as implementation-dependent so
1393 * define it elsewhere.
1395 #define IEEE80211_BINTVAL_MAX 1000 /* max beacon interval (TU's) */
1396 #define IEEE80211_BINTVAL_MIN 25 /* min beacon interval (TU's) */
1399 * DTIM period (beacons). Min+max are not really defined
1400 * by the protocol but we want them publicly visible so
1403 #define IEEE80211_DTIM_MAX 15 /* max DTIM period */
1404 #define IEEE80211_DTIM_MIN 1 /* min DTIM period */
1407 * Beacon miss threshold (beacons). As for DTIM, we define
1408 * them here to be publicly visible. Note the max may be
1409 * clamped depending on device capabilities.
1411 #define IEEE80211_HWBMISS_MIN 1
1412 #define IEEE80211_HWBMISS_MAX 255
1415 * 802.11 frame duration definitions.
1418 struct ieee80211_duration {
1420 uint16_t d_data_dur;
1421 uint16_t d_plcp_len;
1422 uint8_t d_residue; /* unused octets in time slot */
1425 /* One Time Unit (TU) is 1Kus = 1024 microseconds. */
1426 #define IEEE80211_DUR_TU 1024
1428 /* IEEE 802.11b durations for DSSS PHY in microseconds */
1429 #define IEEE80211_DUR_DS_LONG_PREAMBLE 144
1430 #define IEEE80211_DUR_DS_SHORT_PREAMBLE 72
1432 #define IEEE80211_DUR_DS_SLOW_PLCPHDR 48
1433 #define IEEE80211_DUR_DS_FAST_PLCPHDR 24
1434 #define IEEE80211_DUR_DS_SLOW_ACK 112
1435 #define IEEE80211_DUR_DS_FAST_ACK 56
1436 #define IEEE80211_DUR_DS_SLOW_CTS 112
1437 #define IEEE80211_DUR_DS_FAST_CTS 56
1439 #define IEEE80211_DUR_DS_SLOT 20
1440 #define IEEE80211_DUR_DS_SIFS 10
1441 #define IEEE80211_DUR_DS_PIFS (IEEE80211_DUR_DS_SIFS + IEEE80211_DUR_DS_SLOT)
1442 #define IEEE80211_DUR_DS_DIFS (IEEE80211_DUR_DS_SIFS + \
1443 2 * IEEE80211_DUR_DS_SLOT)
1444 #define IEEE80211_DUR_DS_EIFS (IEEE80211_DUR_DS_SIFS + \
1445 IEEE80211_DUR_DS_SLOW_ACK + \
1446 IEEE80211_DUR_DS_LONG_PREAMBLE + \
1447 IEEE80211_DUR_DS_SLOW_PLCPHDR + \
1450 #endif /* _NET80211_IEEE80211_H_ */