2 * Copyright (c) 2001 Atsushi Onoe
3 * Copyright (c) 2002-2009 Sam Leffler, Errno Consulting
6 * Redistribution and use in source and binary forms, with or without
7 * modification, are permitted provided that the following conditions
9 * 1. Redistributions of source code must retain the above copyright
10 * notice, this list of conditions and the following disclaimer.
11 * 2. Redistributions in binary form must reproduce the above copyright
12 * notice, this list of conditions and the following disclaimer in the
13 * documentation and/or other materials provided with the distribution.
15 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
16 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
17 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
18 * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
19 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
20 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
21 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
22 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
23 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
24 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
28 #ifndef _NET80211_IEEE80211_H_
29 #define _NET80211_IEEE80211_H_
32 * 802.11 protocol definitions.
35 #define IEEE80211_ADDR_LEN 6 /* size of 802.11 address */
36 /* is 802.11 address multicast/broadcast? */
37 #define IEEE80211_IS_MULTICAST(_a) (*(_a) & 0x01)
40 extern const uint8_t ieee80211broadcastaddr[];
43 typedef uint16_t ieee80211_seq;
45 /* IEEE 802.11 PLCP header */
46 struct ieee80211_plcp_hdr {
54 #define IEEE80211_PLCP_SFD 0xF3A0
55 #define IEEE80211_PLCP_SERVICE 0x00
56 #define IEEE80211_PLCP_SERVICE_LOCKED 0x04
57 #define IEEE80211_PLCL_SERVICE_PBCC 0x08
58 #define IEEE80211_PLCP_SERVICE_LENEXT5 0x20
59 #define IEEE80211_PLCP_SERVICE_LENEXT6 0x40
60 #define IEEE80211_PLCP_SERVICE_LENEXT7 0x80
63 * generic definitions for IEEE 802.11 frames
65 struct ieee80211_frame {
68 uint8_t i_addr1[IEEE80211_ADDR_LEN];
69 uint8_t i_addr2[IEEE80211_ADDR_LEN];
70 uint8_t i_addr3[IEEE80211_ADDR_LEN];
72 /* possibly followed by addr4[IEEE80211_ADDR_LEN]; */
76 struct ieee80211_qosframe {
79 uint8_t i_addr1[IEEE80211_ADDR_LEN];
80 uint8_t i_addr2[IEEE80211_ADDR_LEN];
81 uint8_t i_addr3[IEEE80211_ADDR_LEN];
84 /* possibly followed by addr4[IEEE80211_ADDR_LEN]; */
88 struct ieee80211_qoscntl {
92 struct ieee80211_frame_addr4 {
95 uint8_t i_addr1[IEEE80211_ADDR_LEN];
96 uint8_t i_addr2[IEEE80211_ADDR_LEN];
97 uint8_t i_addr3[IEEE80211_ADDR_LEN];
99 uint8_t i_addr4[IEEE80211_ADDR_LEN];
103 struct ieee80211_qosframe_addr4 {
106 uint8_t i_addr1[IEEE80211_ADDR_LEN];
107 uint8_t i_addr2[IEEE80211_ADDR_LEN];
108 uint8_t i_addr3[IEEE80211_ADDR_LEN];
110 uint8_t i_addr4[IEEE80211_ADDR_LEN];
114 #define IEEE80211_FC0_VERSION_MASK 0x03
115 #define IEEE80211_FC0_VERSION_SHIFT 0
116 #define IEEE80211_FC0_VERSION_0 0x00
117 #define IEEE80211_FC0_TYPE_MASK 0x0c
118 #define IEEE80211_FC0_TYPE_SHIFT 2
119 #define IEEE80211_FC0_TYPE_MGT 0x00
120 #define IEEE80211_FC0_TYPE_CTL 0x04
121 #define IEEE80211_FC0_TYPE_DATA 0x08
123 #define IEEE80211_FC0_SUBTYPE_MASK 0xf0
124 #define IEEE80211_FC0_SUBTYPE_SHIFT 4
126 #define IEEE80211_FC0_SUBTYPE_ASSOC_REQ 0x00
127 #define IEEE80211_FC0_SUBTYPE_ASSOC_RESP 0x10
128 #define IEEE80211_FC0_SUBTYPE_REASSOC_REQ 0x20
129 #define IEEE80211_FC0_SUBTYPE_REASSOC_RESP 0x30
130 #define IEEE80211_FC0_SUBTYPE_PROBE_REQ 0x40
131 #define IEEE80211_FC0_SUBTYPE_PROBE_RESP 0x50
132 #define IEEE80211_FC0_SUBTYPE_BEACON 0x80
133 #define IEEE80211_FC0_SUBTYPE_ATIM 0x90
134 #define IEEE80211_FC0_SUBTYPE_DISASSOC 0xa0
135 #define IEEE80211_FC0_SUBTYPE_AUTH 0xb0
136 #define IEEE80211_FC0_SUBTYPE_DEAUTH 0xc0
137 #define IEEE80211_FC0_SUBTYPE_ACTION 0xd0
138 #define IEEE80211_FC0_SUBTYPE_ACTION_NOACK 0xe0
140 #define IEEE80211_FC0_SUBTYPE_BAR 0x80
141 #define IEEE80211_FC0_SUBTYPE_BA 0x90
142 #define IEEE80211_FC0_SUBTYPE_PS_POLL 0xa0
143 #define IEEE80211_FC0_SUBTYPE_RTS 0xb0
144 #define IEEE80211_FC0_SUBTYPE_CTS 0xc0
145 #define IEEE80211_FC0_SUBTYPE_ACK 0xd0
146 #define IEEE80211_FC0_SUBTYPE_CF_END 0xe0
147 #define IEEE80211_FC0_SUBTYPE_CF_END_ACK 0xf0
148 /* for TYPE_DATA (bit combination) */
149 #define IEEE80211_FC0_SUBTYPE_DATA 0x00
150 #define IEEE80211_FC0_SUBTYPE_CF_ACK 0x10
151 #define IEEE80211_FC0_SUBTYPE_CF_POLL 0x20
152 #define IEEE80211_FC0_SUBTYPE_CF_ACPL 0x30
153 #define IEEE80211_FC0_SUBTYPE_NODATA 0x40
154 #define IEEE80211_FC0_SUBTYPE_CFACK 0x50
155 #define IEEE80211_FC0_SUBTYPE_CFPOLL 0x60
156 #define IEEE80211_FC0_SUBTYPE_CF_ACK_CF_ACK 0x70
157 #define IEEE80211_FC0_SUBTYPE_QOS 0x80
158 #define IEEE80211_FC0_SUBTYPE_QOS_NULL 0xc0
160 #define IEEE80211_FC1_DIR_MASK 0x03
161 #define IEEE80211_FC1_DIR_NODS 0x00 /* STA->STA */
162 #define IEEE80211_FC1_DIR_TODS 0x01 /* STA->AP */
163 #define IEEE80211_FC1_DIR_FROMDS 0x02 /* AP ->STA */
164 #define IEEE80211_FC1_DIR_DSTODS 0x03 /* AP ->AP */
166 #define IEEE80211_IS_DSTODS(wh) \
167 (((wh)->i_fc[1] & IEEE80211_FC1_DIR_MASK) == IEEE80211_FC1_DIR_DSTODS)
169 #define IEEE80211_FC1_MORE_FRAG 0x04
170 #define IEEE80211_FC1_RETRY 0x08
171 #define IEEE80211_FC1_PWR_MGT 0x10
172 #define IEEE80211_FC1_MORE_DATA 0x20
173 #define IEEE80211_FC1_PROTECTED 0x40
174 #define IEEE80211_FC1_ORDER 0x80
176 #define IEEE80211_HAS_SEQ(type, subtype) \
177 ((type) != IEEE80211_FC0_TYPE_CTL && \
178 !((type) == IEEE80211_FC0_TYPE_DATA && \
179 ((subtype) & IEEE80211_FC0_SUBTYPE_QOS_NULL) == \
180 IEEE80211_FC0_SUBTYPE_QOS_NULL))
181 #define IEEE80211_SEQ_FRAG_MASK 0x000f
182 #define IEEE80211_SEQ_FRAG_SHIFT 0
183 #define IEEE80211_SEQ_SEQ_MASK 0xfff0
184 #define IEEE80211_SEQ_SEQ_SHIFT 4
185 #define IEEE80211_SEQ_RANGE 4096
187 #define IEEE80211_SEQ_ADD(seq, incr) \
188 (((seq) + (incr)) & (IEEE80211_SEQ_RANGE-1))
189 #define IEEE80211_SEQ_INC(seq) IEEE80211_SEQ_ADD(seq,1)
190 #define IEEE80211_SEQ_SUB(a, b) \
191 (((a) + IEEE80211_SEQ_RANGE - (b)) & (IEEE80211_SEQ_RANGE-1))
193 #define IEEE80211_SEQ_BA_RANGE 2048 /* 2^11 */
194 #define IEEE80211_SEQ_BA_BEFORE(a, b) \
195 (IEEE80211_SEQ_SUB(b, a+1) < IEEE80211_SEQ_BA_RANGE-1)
197 #define IEEE80211_NWID_LEN 32
198 #define IEEE80211_MESHID_LEN 32
200 #define IEEE80211_QOS_TXOP 0x00ff
201 /* bit 8 is reserved */
202 #define IEEE80211_QOS_AMSDU 0x80
203 #define IEEE80211_QOS_AMSDU_S 7
204 #define IEEE80211_QOS_ACKPOLICY 0x60
205 #define IEEE80211_QOS_ACKPOLICY_S 5
206 #define IEEE80211_QOS_ACKPOLICY_NOACK 0x20 /* No ACK required */
207 #define IEEE80211_QOS_ACKPOLICY_BA 0x60 /* Block ACK */
208 #define IEEE80211_QOS_EOSP 0x10 /* EndOfService Period*/
209 #define IEEE80211_QOS_EOSP_S 4
210 #define IEEE80211_QOS_TID 0x0f
211 /* qos[1] byte used for all frames sent by mesh STAs in a mesh BSS */
212 #define IEEE80211_QOS_MC 0x01 /* Mesh control */
213 /* Mesh power save level*/
214 #define IEEE80211_QOS_MESH_PSL 0x02
215 /* Mesh Receiver Service Period Initiated */
216 #define IEEE80211_QOS_RSPI 0x04
217 /* bits 11 to 15 reserved */
219 /* does frame have QoS sequence control data */
220 #define IEEE80211_QOS_HAS_SEQ(wh) \
222 (IEEE80211_FC0_TYPE_MASK | IEEE80211_FC0_SUBTYPE_QOS)) == \
223 (IEEE80211_FC0_TYPE_DATA | IEEE80211_FC0_SUBTYPE_QOS))
226 * WME/802.11e information element.
228 struct ieee80211_wme_info {
229 uint8_t wme_id; /* IEEE80211_ELEMID_VENDOR */
230 uint8_t wme_len; /* length in bytes */
231 uint8_t wme_oui[3]; /* 0x00, 0x50, 0xf2 */
232 uint8_t wme_type; /* OUI type */
233 uint8_t wme_subtype; /* OUI subtype */
234 uint8_t wme_version; /* spec revision */
235 uint8_t wme_info; /* QoS info */
239 * WME/802.11e Tspec Element
241 struct ieee80211_wme_tspec {
246 uint8_t ts_oui_subtype;
248 uint8_t ts_tsinfo[3];
249 uint8_t ts_nom_msdu[2];
250 uint8_t ts_max_msdu[2];
251 uint8_t ts_min_svc[4];
252 uint8_t ts_max_svc[4];
253 uint8_t ts_inactv_intv[4];
254 uint8_t ts_susp_intv[4];
255 uint8_t ts_start_svc[4];
256 uint8_t ts_min_rate[4];
257 uint8_t ts_mean_rate[4];
258 uint8_t ts_max_burst[4];
259 uint8_t ts_min_phy[4];
260 uint8_t ts_peak_rate[4];
262 uint8_t ts_surplus[2];
263 uint8_t ts_medium_time[2];
267 * WME AC parameter field
269 struct ieee80211_wme_acparams {
270 uint8_t acp_aci_aifsn;
271 uint8_t acp_logcwminmax;
275 #define WME_NUM_AC 4 /* 4 AC categories */
276 #define WME_NUM_TID 16 /* 16 tids */
278 #define WME_PARAM_ACI 0x60 /* Mask for ACI field */
279 #define WME_PARAM_ACI_S 5 /* Shift for ACI field */
280 #define WME_PARAM_ACM 0x10 /* Mask for ACM bit */
281 #define WME_PARAM_ACM_S 4 /* Shift for ACM bit */
282 #define WME_PARAM_AIFSN 0x0f /* Mask for aifsn field */
283 #define WME_PARAM_AIFSN_S 0 /* Shift for aifsn field */
284 #define WME_PARAM_LOGCWMIN 0x0f /* Mask for CwMin field (in log) */
285 #define WME_PARAM_LOGCWMIN_S 0 /* Shift for CwMin field */
286 #define WME_PARAM_LOGCWMAX 0xf0 /* Mask for CwMax field (in log) */
287 #define WME_PARAM_LOGCWMAX_S 4 /* Shift for CwMax field */
289 #define WME_AC_TO_TID(_ac) ( \
290 ((_ac) == WME_AC_VO) ? 6 : \
291 ((_ac) == WME_AC_VI) ? 5 : \
292 ((_ac) == WME_AC_BK) ? 1 : \
295 #define TID_TO_WME_AC(_tid) ( \
296 ((_tid) == 0 || (_tid) == 3) ? WME_AC_BE : \
297 ((_tid) < 3) ? WME_AC_BK : \
298 ((_tid) < 6) ? WME_AC_VI : \
302 * WME Parameter Element
304 struct ieee80211_wme_param {
307 uint8_t param_oui[3];
308 uint8_t param_oui_type;
309 uint8_t param_oui_subtype;
310 uint8_t param_version;
311 uint8_t param_qosInfo;
312 #define WME_QOSINFO_COUNT 0x0f /* Mask for param count field */
313 uint8_t param_reserved;
314 struct ieee80211_wme_acparams params_acParams[WME_NUM_AC];
318 * Management Notification Frame
320 struct ieee80211_mnf {
321 uint8_t mnf_category;
326 #define MNF_SETUP_REQ 0
327 #define MNF_SETUP_RESP 1
328 #define MNF_TEARDOWN 2
331 * 802.11n Management Action Frames
333 /* generic frame format */
334 struct ieee80211_action {
339 #define IEEE80211_ACTION_CAT_SM 0 /* Spectrum Management */
340 #define IEEE80211_ACTION_CAT_QOS 1 /* QoS */
341 #define IEEE80211_ACTION_CAT_DLS 2 /* DLS */
342 #define IEEE80211_ACTION_CAT_BA 3 /* BA */
343 #define IEEE80211_ACTION_CAT_HT 7 /* HT */
344 #define IEEE80211_ACTION_CAT_MESH 13 /* Mesh */
345 #define IEEE80211_ACTION_CAT_SELF_PROT 15 /* Self-protected */
346 /* 16 - 125 reserved */
347 #define IEEE80211_ACTION_CAT_VENDOR 127 /* Vendor Specific */
349 #define IEEE80211_ACTION_HT_TXCHWIDTH 0 /* recommended xmit chan width*/
350 #define IEEE80211_ACTION_HT_MIMOPWRSAVE 1 /* MIMO power save */
352 /* HT - recommended transmission channel width */
353 struct ieee80211_action_ht_txchwidth {
354 struct ieee80211_action at_header;
358 #define IEEE80211_A_HT_TXCHWIDTH_20 0
359 #define IEEE80211_A_HT_TXCHWIDTH_2040 1
361 /* HT - MIMO Power Save (NB: D2.04) */
362 struct ieee80211_action_ht_mimopowersave {
363 struct ieee80211_action am_header;
367 #define IEEE80211_A_HT_MIMOPWRSAVE_ENA 0x01 /* PS enabled */
368 #define IEEE80211_A_HT_MIMOPWRSAVE_MODE 0x02
369 #define IEEE80211_A_HT_MIMOPWRSAVE_MODE_S 1
370 #define IEEE80211_A_HT_MIMOPWRSAVE_DYNAMIC 0x02 /* Dynamic Mode */
371 #define IEEE80211_A_HT_MIMOPWRSAVE_STATIC 0x00 /* no SM packets */
372 /* bits 2-7 reserved */
374 /* Block Ack actions */
375 #define IEEE80211_ACTION_BA_ADDBA_REQUEST 0 /* ADDBA request */
376 #define IEEE80211_ACTION_BA_ADDBA_RESPONSE 1 /* ADDBA response */
377 #define IEEE80211_ACTION_BA_DELBA 2 /* DELBA */
379 /* Block Ack Parameter Set */
380 #define IEEE80211_BAPS_BUFSIZ 0xffc0 /* buffer size */
381 #define IEEE80211_BAPS_BUFSIZ_S 6
382 #define IEEE80211_BAPS_TID 0x003c /* TID */
383 #define IEEE80211_BAPS_TID_S 2
384 #define IEEE80211_BAPS_POLICY 0x0002 /* block ack policy */
385 #define IEEE80211_BAPS_POLICY_S 1
387 #define IEEE80211_BAPS_POLICY_DELAYED (0<<IEEE80211_BAPS_POLICY_S)
388 #define IEEE80211_BAPS_POLICY_IMMEDIATE (1<<IEEE80211_BAPS_POLICY_S)
390 /* Block Ack Sequence Control */
391 #define IEEE80211_BASEQ_START 0xfff0 /* starting seqnum */
392 #define IEEE80211_BASEQ_START_S 4
393 #define IEEE80211_BASEQ_FRAG 0x000f /* fragment number */
394 #define IEEE80211_BASEQ_FRAG_S 0
396 /* Delayed Block Ack Parameter Set */
397 #define IEEE80211_DELBAPS_TID 0xf000 /* TID */
398 #define IEEE80211_DELBAPS_TID_S 12
399 #define IEEE80211_DELBAPS_INIT 0x0800 /* initiator */
400 #define IEEE80211_DELBAPS_INIT_S 11
402 /* BA - ADDBA request */
403 struct ieee80211_action_ba_addbarequest {
404 struct ieee80211_action rq_header;
405 uint8_t rq_dialogtoken;
406 uint16_t rq_baparamset;
407 uint16_t rq_batimeout; /* in TUs */
408 uint16_t rq_baseqctl;
411 /* BA - ADDBA response */
412 struct ieee80211_action_ba_addbaresponse {
413 struct ieee80211_action rs_header;
414 uint8_t rs_dialogtoken;
415 uint16_t rs_statuscode;
416 uint16_t rs_baparamset;
417 uint16_t rs_batimeout; /* in TUs */
421 struct ieee80211_action_ba_delba {
422 struct ieee80211_action dl_header;
423 uint16_t dl_baparamset;
424 uint16_t dl_reasoncode;
428 #define IEEE80211_BAR_TID 0xf000 /* TID */
429 #define IEEE80211_BAR_TID_S 12
430 #define IEEE80211_BAR_COMP 0x0004 /* Compressed Bitmap */
431 #define IEEE80211_BAR_MTID 0x0002 /* Multi-TID */
432 #define IEEE80211_BAR_NOACK 0x0001 /* No-Ack policy */
434 /* BAR Starting Sequence Control */
435 #define IEEE80211_BAR_SEQ_START 0xfff0 /* starting seqnum */
436 #define IEEE80211_BAR_SEQ_START_S 4
438 struct ieee80211_ba_request {
440 uint16_t rq_barseqctl;
446 struct ieee80211_frame_min {
449 uint8_t i_addr1[IEEE80211_ADDR_LEN];
450 uint8_t i_addr2[IEEE80211_ADDR_LEN];
454 struct ieee80211_frame_rts {
457 uint8_t i_ra[IEEE80211_ADDR_LEN];
458 uint8_t i_ta[IEEE80211_ADDR_LEN];
462 struct ieee80211_frame_cts {
465 uint8_t i_ra[IEEE80211_ADDR_LEN];
469 struct ieee80211_frame_ack {
472 uint8_t i_ra[IEEE80211_ADDR_LEN];
476 struct ieee80211_frame_pspoll {
479 uint8_t i_bssid[IEEE80211_ADDR_LEN];
480 uint8_t i_ta[IEEE80211_ADDR_LEN];
484 struct ieee80211_frame_cfend { /* NB: also CF-End+CF-Ack */
486 uint8_t i_dur[2]; /* should be zero */
487 uint8_t i_ra[IEEE80211_ADDR_LEN];
488 uint8_t i_bssid[IEEE80211_ADDR_LEN];
492 struct ieee80211_frame_bar {
495 uint8_t i_ra[IEEE80211_ADDR_LEN];
496 uint8_t i_ta[IEEE80211_ADDR_LEN];
503 * BEACON management packets
506 * octet beacon interval[2]
507 * octet capability information[2]
508 * information element
511 * octet information[length]
514 #define IEEE80211_BEACON_INTERVAL(beacon) \
515 ((beacon)[8] | ((beacon)[9] << 8))
516 #define IEEE80211_BEACON_CAPABILITY(beacon) \
517 ((beacon)[10] | ((beacon)[11] << 8))
519 #define IEEE80211_CAPINFO_ESS 0x0001
520 #define IEEE80211_CAPINFO_IBSS 0x0002
521 #define IEEE80211_CAPINFO_CF_POLLABLE 0x0004
522 #define IEEE80211_CAPINFO_CF_POLLREQ 0x0008
523 #define IEEE80211_CAPINFO_PRIVACY 0x0010
524 #define IEEE80211_CAPINFO_SHORT_PREAMBLE 0x0020
525 #define IEEE80211_CAPINFO_PBCC 0x0040
526 #define IEEE80211_CAPINFO_CHNL_AGILITY 0x0080
527 #define IEEE80211_CAPINFO_SPECTRUM_MGMT 0x0100
528 /* bit 9 is reserved */
529 #define IEEE80211_CAPINFO_SHORT_SLOTTIME 0x0400
530 #define IEEE80211_CAPINFO_RSN 0x0800
531 /* bit 12 is reserved */
532 #define IEEE80211_CAPINFO_DSSSOFDM 0x2000
533 /* bits 14-15 are reserved */
535 #define IEEE80211_CAPINFO_BITS \
536 "\20\1ESS\2IBSS\3CF_POLLABLE\4CF_POLLREQ\5PRIVACY\6SHORT_PREAMBLE" \
537 "\7PBCC\10CHNL_AGILITY\11SPECTRUM_MGMT\13SHORT_SLOTTIME\14RSN" \
541 * 802.11i/WPA information element (maximally sized).
543 struct ieee80211_ie_wpa {
544 uint8_t wpa_id; /* IEEE80211_ELEMID_VENDOR */
545 uint8_t wpa_len; /* length in bytes */
546 uint8_t wpa_oui[3]; /* 0x00, 0x50, 0xf2 */
547 uint8_t wpa_type; /* OUI type */
548 uint16_t wpa_version; /* spec revision */
549 uint32_t wpa_mcipher[1]; /* multicast/group key cipher */
550 uint16_t wpa_uciphercnt; /* # pairwise key ciphers */
551 uint32_t wpa_uciphers[8];/* ciphers */
552 uint16_t wpa_authselcnt; /* authentication selector cnt*/
553 uint32_t wpa_authsels[8];/* selectors */
554 uint16_t wpa_caps; /* 802.11i capabilities */
555 uint16_t wpa_pmkidcnt; /* 802.11i pmkid count */
556 uint16_t wpa_pmkids[8]; /* 802.11i pmkids */
560 * 802.11n HT Capability IE
561 * NB: these reflect D1.10
563 struct ieee80211_ie_htcap {
564 uint8_t hc_id; /* element ID */
565 uint8_t hc_len; /* length in bytes */
566 uint16_t hc_cap; /* HT caps (see below) */
567 uint8_t hc_param; /* HT params (see below) */
568 uint8_t hc_mcsset[16]; /* supported MCS set */
569 uint16_t hc_extcap; /* extended HT capabilities */
570 uint32_t hc_txbf; /* txbf capabilities */
571 uint8_t hc_antenna; /* antenna capabilities */
574 /* HT capability flags (ht_cap) */
575 #define IEEE80211_HTCAP_LDPC 0x0001 /* LDPC supported */
576 #define IEEE80211_HTCAP_CHWIDTH40 0x0002 /* 20/40 supported */
577 #define IEEE80211_HTCAP_SMPS 0x000c /* SM Power Save mode */
578 #define IEEE80211_HTCAP_SMPS_OFF 0x000c /* disabled */
579 #define IEEE80211_HTCAP_SMPS_DYNAMIC 0x0004 /* send RTS first */
580 /* NB: SMPS value 2 is reserved */
581 #define IEEE80211_HTCAP_SMPS_ENA 0x0000 /* enabled (static mode) */
582 #define IEEE80211_HTCAP_GREENFIELD 0x0010 /* Greenfield supported */
583 #define IEEE80211_HTCAP_SHORTGI20 0x0020 /* Short GI in 20MHz */
584 #define IEEE80211_HTCAP_SHORTGI40 0x0040 /* Short GI in 40MHz */
585 #define IEEE80211_HTCAP_TXSTBC 0x0080 /* STBC tx ok */
586 #define IEEE80211_HTCAP_RXSTBC 0x0300 /* STBC rx support */
587 #define IEEE80211_HTCAP_RXSTBC_S 8
588 #define IEEE80211_HTCAP_RXSTBC_1STREAM 0x0100 /* 1 spatial stream */
589 #define IEEE80211_HTCAP_RXSTBC_2STREAM 0x0200 /* 1-2 spatial streams*/
590 #define IEEE80211_HTCAP_RXSTBC_3STREAM 0x0300 /* 1-3 spatial streams*/
591 #define IEEE80211_HTCAP_DELBA 0x0400 /* HT DELBA supported */
592 #define IEEE80211_HTCAP_MAXAMSDU 0x0800 /* max A-MSDU length */
593 #define IEEE80211_HTCAP_MAXAMSDU_7935 0x0800 /* 7935 octets */
594 #define IEEE80211_HTCAP_MAXAMSDU_3839 0x0000 /* 3839 octets */
595 #define IEEE80211_HTCAP_DSSSCCK40 0x1000 /* DSSS/CCK in 40MHz */
596 #define IEEE80211_HTCAP_PSMP 0x2000 /* PSMP supported */
597 #define IEEE80211_HTCAP_40INTOLERANT 0x4000 /* 40MHz intolerant */
598 #define IEEE80211_HTCAP_LSIGTXOPPROT 0x8000 /* L-SIG TXOP prot */
600 #define IEEE80211_HTCAP_BITS \
601 "\20\1LDPC\2CHWIDTH40\5GREENFIELD\6SHORTGI20\7SHORTGI40\10TXSTBC" \
602 "\13DELBA\14AMSDU(7935)\15DSSSCCK40\16PSMP\1740INTOLERANT" \
605 /* HT parameters (hc_param) */
606 #define IEEE80211_HTCAP_MAXRXAMPDU 0x03 /* max rx A-MPDU factor */
607 #define IEEE80211_HTCAP_MAXRXAMPDU_S 0
608 #define IEEE80211_HTCAP_MAXRXAMPDU_8K 0
609 #define IEEE80211_HTCAP_MAXRXAMPDU_16K 1
610 #define IEEE80211_HTCAP_MAXRXAMPDU_32K 2
611 #define IEEE80211_HTCAP_MAXRXAMPDU_64K 3
612 #define IEEE80211_HTCAP_MPDUDENSITY 0x1c /* min MPDU start spacing */
613 #define IEEE80211_HTCAP_MPDUDENSITY_S 2
614 #define IEEE80211_HTCAP_MPDUDENSITY_NA 0 /* no time restriction */
615 #define IEEE80211_HTCAP_MPDUDENSITY_025 1 /* 1/4 us */
616 #define IEEE80211_HTCAP_MPDUDENSITY_05 2 /* 1/2 us */
617 #define IEEE80211_HTCAP_MPDUDENSITY_1 3 /* 1 us */
618 #define IEEE80211_HTCAP_MPDUDENSITY_2 4 /* 2 us */
619 #define IEEE80211_HTCAP_MPDUDENSITY_4 5 /* 4 us */
620 #define IEEE80211_HTCAP_MPDUDENSITY_8 6 /* 8 us */
621 #define IEEE80211_HTCAP_MPDUDENSITY_16 7 /* 16 us */
623 /* HT extended capabilities (hc_extcap) */
624 #define IEEE80211_HTCAP_PCO 0x0001 /* PCO capable */
625 #define IEEE80211_HTCAP_PCOTRANS 0x0006 /* PCO transition time */
626 #define IEEE80211_HTCAP_PCOTRANS_S 1
627 #define IEEE80211_HTCAP_PCOTRANS_04 0x0002 /* 400 us */
628 #define IEEE80211_HTCAP_PCOTRANS_15 0x0004 /* 1.5 ms */
629 #define IEEE80211_HTCAP_PCOTRANS_5 0x0006 /* 5 ms */
630 /* bits 3-7 reserved */
631 #define IEEE80211_HTCAP_MCSFBACK 0x0300 /* MCS feedback */
632 #define IEEE80211_HTCAP_MCSFBACK_S 8
633 #define IEEE80211_HTCAP_MCSFBACK_NONE 0x0000 /* nothing provided */
634 #define IEEE80211_HTCAP_MCSFBACK_UNSOL 0x0200 /* unsolicited feedback */
635 #define IEEE80211_HTCAP_MCSFBACK_MRQ 0x0300 /* " "+respond to MRQ */
636 #define IEEE80211_HTCAP_HTC 0x0400 /* +HTC support */
637 #define IEEE80211_HTCAP_RDR 0x0800 /* reverse direction responder*/
638 /* bits 12-15 reserved */
641 * 802.11n HT Information IE
643 struct ieee80211_ie_htinfo {
644 uint8_t hi_id; /* element ID */
645 uint8_t hi_len; /* length in bytes */
646 uint8_t hi_ctrlchannel; /* primary channel */
647 uint8_t hi_byte1; /* ht ie byte 1 */
648 uint8_t hi_byte2; /* ht ie byte 2 */
649 uint8_t hi_byte3; /* ht ie byte 3 */
650 uint16_t hi_byte45; /* ht ie bytes 4+5 */
651 uint8_t hi_basicmcsset[16]; /* basic MCS set */
655 #define IEEE80211_HTINFO_2NDCHAN 0x03 /* secondary/ext chan offset */
656 #define IEEE80211_HTINFO_2NDCHAN_S 0
657 #define IEEE80211_HTINFO_2NDCHAN_NONE 0x00 /* no secondary/ext channel */
658 #define IEEE80211_HTINFO_2NDCHAN_ABOVE 0x01 /* above private channel */
659 /* NB: 2 is reserved */
660 #define IEEE80211_HTINFO_2NDCHAN_BELOW 0x03 /* below primary channel */
661 #define IEEE80211_HTINFO_TXWIDTH 0x04 /* tx channel width */
662 #define IEEE80211_HTINFO_TXWIDTH_20 0x00 /* 20MHz width */
663 #define IEEE80211_HTINFO_TXWIDTH_2040 0x04 /* any supported width */
664 #define IEEE80211_HTINFO_RIFSMODE 0x08 /* Reduced IFS (RIFS) use */
665 #define IEEE80211_HTINFO_RIFSMODE_PROH 0x00 /* RIFS use prohibited */
666 #define IEEE80211_HTINFO_RIFSMODE_PERM 0x08 /* RIFS use permitted */
667 #define IEEE80211_HTINFO_PMSPONLY 0x10 /* PSMP required to associate */
668 #define IEEE80211_HTINFO_SIGRAN 0xe0 /* shortest Service Interval */
669 #define IEEE80211_HTINFO_SIGRAN_S 5
670 #define IEEE80211_HTINFO_SIGRAN_5 0x00 /* 5 ms */
674 #define IEEE80211_HTINFO_OPMODE 0x03 /* operating mode */
675 #define IEEE80211_HTINFO_OPMODE_S 0
676 #define IEEE80211_HTINFO_OPMODE_PURE 0x00 /* no protection */
677 #define IEEE80211_HTINFO_OPMODE_PROTOPT 0x01 /* protection optional */
678 #define IEEE80211_HTINFO_OPMODE_HT20PR 0x02 /* protection for HT20 sta's */
679 #define IEEE80211_HTINFO_OPMODE_MIXED 0x03 /* protection for legacy sta's*/
680 #define IEEE80211_HTINFO_NONGF_PRESENT 0x04 /* non-GF sta's present */
681 #define IEEE80211_HTINFO_TXBL 0x08 /* transmit burst limit */
682 #define IEEE80211_HTINFO_NONHT_PRESENT 0x10 /* non-HT sta's present */
683 /* bits 5-15 reserved */
686 #define IEEE80211_HTINFO_2NDARYBEACON 0x01
687 #define IEEE80211_HTINFO_LSIGTXOPPROT 0x02
688 #define IEEE80211_HTINFO_PCO_ACTIVE 0x04
689 #define IEEE80211_HTINFO_40MHZPHASE 0x08
692 #define IEEE80211_HTINFO_BASIC_STBCMCS 0x7f
693 #define IEEE80211_HTINFO_BASIC_STBCMCS_S 0
694 #define IEEE80211_HTINFO_DUALPROTECTED 0x80
697 * Management information element payloads.
701 IEEE80211_ELEMID_SSID = 0,
702 IEEE80211_ELEMID_RATES = 1,
703 IEEE80211_ELEMID_FHPARMS = 2,
704 IEEE80211_ELEMID_DSPARMS = 3,
705 IEEE80211_ELEMID_CFPARMS = 4,
706 IEEE80211_ELEMID_TIM = 5,
707 IEEE80211_ELEMID_IBSSPARMS = 6,
708 IEEE80211_ELEMID_COUNTRY = 7,
709 IEEE80211_ELEMID_CHALLENGE = 16,
710 /* 17-31 reserved for challenge text extension */
711 IEEE80211_ELEMID_PWRCNSTR = 32,
712 IEEE80211_ELEMID_PWRCAP = 33,
713 IEEE80211_ELEMID_TPCREQ = 34,
714 IEEE80211_ELEMID_TPCREP = 35,
715 IEEE80211_ELEMID_SUPPCHAN = 36,
716 IEEE80211_ELEMID_CSA = 37,
717 IEEE80211_ELEMID_MEASREQ = 38,
718 IEEE80211_ELEMID_MEASREP = 39,
719 IEEE80211_ELEMID_QUIET = 40,
720 IEEE80211_ELEMID_IBSSDFS = 41,
721 IEEE80211_ELEMID_ERP = 42,
722 IEEE80211_ELEMID_HTCAP = 45,
723 IEEE80211_ELEMID_QOS = 46,
724 IEEE80211_ELEMID_RSN = 48,
725 IEEE80211_ELEMID_XRATES = 50,
726 IEEE80211_ELEMID_HTINFO = 61,
727 IEEE80211_ELEMID_TPC = 150,
728 IEEE80211_ELEMID_CCKM = 156,
729 IEEE80211_ELEMID_VENDOR = 221, /* vendor private */
733 * NB: On vanilla Linux still IEEE80211_ELEMID_MESHPEER = 55,
734 * but they defined a new with id 117 called PEER_MGMT.
735 * NB: complies with open80211
737 IEEE80211_ELEMID_MESHCONF = 113,
738 IEEE80211_ELEMID_MESHID = 114,
739 IEEE80211_ELEMID_MESHLINK = 115,
740 IEEE80211_ELEMID_MESHCNGST = 116,
741 IEEE80211_ELEMID_MESHPEER = 117,
742 IEEE80211_ELEMID_MESHCSA = 118,
743 IEEE80211_ELEMID_MESHTIM = 39, /* XXX: remove */
744 IEEE80211_ELEMID_MESHAWAKEW = 119,
745 IEEE80211_ELEMID_MESHBEACONT = 120,
746 /* 121-124 MMCAOP not implemented yet */
747 IEEE80211_ELEMID_MESHGANN = 125,
748 IEEE80211_ELEMID_MESHRANN = 126,
749 /* 127 Extended Capabilities */
750 /* 128-129 reserved */
751 IEEE80211_ELEMID_MESHPREQ = 130,
752 IEEE80211_ELEMID_MESHPREP = 131,
753 IEEE80211_ELEMID_MESHPERR = 132,
754 /* 133-136 reserved */
755 IEEE80211_ELEMID_MESHPXU = 137,
756 IEEE80211_ELEMID_MESHPXUC = 138,
757 IEEE80211_ELEMID_MESHAH = 60, /* XXX: remove */
760 struct ieee80211_tim_ie {
761 uint8_t tim_ie; /* IEEE80211_ELEMID_TIM */
763 uint8_t tim_count; /* DTIM count */
764 uint8_t tim_period; /* DTIM period */
765 uint8_t tim_bitctl; /* bitmap control */
766 uint8_t tim_bitmap[1]; /* variable-length bitmap */
769 struct ieee80211_country_ie {
770 uint8_t ie; /* IEEE80211_ELEMID_COUNTRY */
772 uint8_t cc[3]; /* ISO CC+(I)ndoor/(O)utdoor */
774 uint8_t schan; /* starting channel */
775 uint8_t nchan; /* number channels */
776 uint8_t maxtxpwr; /* tx power cap */
777 } __packed band[1]; /* sub bands (NB: var size) */
780 #define IEEE80211_COUNTRY_MAX_BANDS 84 /* max possible bands */
781 #define IEEE80211_COUNTRY_MAX_SIZE \
782 (sizeof(struct ieee80211_country_ie) + 3*(IEEE80211_COUNTRY_MAX_BANDS-1))
785 * 802.11h Quiet Time Element.
787 struct ieee80211_quiet_ie {
788 uint8_t quiet_ie; /* IEEE80211_ELEMID_QUIET */
790 uint8_t tbttcount; /* quiet start */
791 uint8_t period; /* beacon intervals between quiets */
792 uint16_t duration; /* TUs of each quiet*/
793 uint16_t offset; /* TUs of from TBTT of quiet start */
797 * 802.11h Channel Switch Announcement (CSA).
799 struct ieee80211_csa_ie {
800 uint8_t csa_ie; /* IEEE80211_ELEMID_CHANSWITCHANN */
802 uint8_t csa_mode; /* Channel Switch Mode */
803 uint8_t csa_newchan; /* New Channel Number */
804 uint8_t csa_count; /* Channel Switch Count */
808 * Note the min acceptable CSA count is used to guard against
809 * malicious CSA injection in station mode. Defining this value
810 * as other than 0 violates the 11h spec.
812 #define IEEE80211_CSA_COUNT_MIN 2
813 #define IEEE80211_CSA_COUNT_MAX 255
815 /* rate set entries are in .5 Mb/s units, and potentially marked as basic */
816 #define IEEE80211_RATE_BASIC 0x80
817 #define IEEE80211_RATE_VAL 0x7f
819 /* ERP information element flags */
820 #define IEEE80211_ERP_NON_ERP_PRESENT 0x01
821 #define IEEE80211_ERP_USE_PROTECTION 0x02
822 #define IEEE80211_ERP_LONG_PREAMBLE 0x04
824 #define IEEE80211_ERP_BITS \
825 "\20\1NON_ERP_PRESENT\2USE_PROTECTION\3LONG_PREAMBLE"
827 #define ATH_OUI 0x7f0300 /* Atheros OUI */
828 #define ATH_OUI_TYPE 0x01 /* Atheros protocol ie */
830 /* NB: Atheros allocated the OUI for this purpose ~2005 but beware ... */
831 #define TDMA_OUI ATH_OUI
832 #define TDMA_OUI_TYPE 0x02 /* TDMA protocol ie */
834 #define BCM_OUI 0x4c9000 /* Broadcom OUI */
835 #define BCM_OUI_HTCAP 51 /* pre-draft HTCAP ie */
836 #define BCM_OUI_HTINFO 52 /* pre-draft HTINFO ie */
838 #define WPA_OUI 0xf25000
839 #define WPA_OUI_TYPE 0x01
840 #define WPA_VERSION 1 /* current supported version */
842 #define WPA_CSE_NULL 0x00
843 #define WPA_CSE_WEP40 0x01
844 #define WPA_CSE_TKIP 0x02
845 #define WPA_CSE_CCMP 0x04
846 #define WPA_CSE_WEP104 0x05
848 #define WPA_ASE_NONE 0x00
849 #define WPA_ASE_8021X_UNSPEC 0x01
850 #define WPA_ASE_8021X_PSK 0x02
852 #define WPS_OUI_TYPE 0x04
854 #define RSN_OUI 0xac0f00
855 #define RSN_VERSION 1 /* current supported version */
857 #define RSN_CSE_NULL 0x00
858 #define RSN_CSE_WEP40 0x01
859 #define RSN_CSE_TKIP 0x02
860 #define RSN_CSE_WRAP 0x03
861 #define RSN_CSE_CCMP 0x04
862 #define RSN_CSE_WEP104 0x05
864 #define RSN_ASE_NONE 0x00
865 #define RSN_ASE_8021X_UNSPEC 0x01
866 #define RSN_ASE_8021X_PSK 0x02
868 #define RSN_CAP_PREAUTH 0x01
870 #define WME_OUI 0xf25000
871 #define WME_OUI_TYPE 0x02
872 #define WME_INFO_OUI_SUBTYPE 0x00
873 #define WME_PARAM_OUI_SUBTYPE 0x01
874 #define WME_VERSION 1
876 /* WME stream classes */
877 #define WME_AC_BE 0 /* best effort */
878 #define WME_AC_BK 1 /* background */
879 #define WME_AC_VI 2 /* video */
880 #define WME_AC_VO 3 /* voice */
883 * AUTH management packets
890 * octet chal.text[253] NB: 1-253 bytes
893 /* challenge length for shared key auth */
894 #define IEEE80211_CHALLENGE_LEN 128
896 #define IEEE80211_AUTH_ALG_OPEN 0x0000
897 #define IEEE80211_AUTH_ALG_SHARED 0x0001
898 #define IEEE80211_AUTH_ALG_LEAP 0x0080
901 IEEE80211_AUTH_OPEN_REQUEST = 1,
902 IEEE80211_AUTH_OPEN_RESPONSE = 2,
906 IEEE80211_AUTH_SHARED_REQUEST = 1,
907 IEEE80211_AUTH_SHARED_CHALLENGE = 2,
908 IEEE80211_AUTH_SHARED_RESPONSE = 3,
909 IEEE80211_AUTH_SHARED_PASS = 4,
913 * Reason and status codes.
915 * Reason codes are used in management frames to indicate why an
916 * action took place (e.g. on disassociation). Status codes are
917 * used in management frames to indicate the result of an operation.
919 * Unlisted codes are reserved
923 IEEE80211_REASON_UNSPECIFIED = 1,
924 IEEE80211_REASON_AUTH_EXPIRE = 2,
925 IEEE80211_REASON_AUTH_LEAVE = 3,
926 IEEE80211_REASON_ASSOC_EXPIRE = 4,
927 IEEE80211_REASON_ASSOC_TOOMANY = 5,
928 IEEE80211_REASON_NOT_AUTHED = 6,
929 IEEE80211_REASON_NOT_ASSOCED = 7,
930 IEEE80211_REASON_ASSOC_LEAVE = 8,
931 IEEE80211_REASON_ASSOC_NOT_AUTHED = 9,
932 IEEE80211_REASON_DISASSOC_PWRCAP_BAD = 10, /* 11h */
933 IEEE80211_REASON_DISASSOC_SUPCHAN_BAD = 11, /* 11h */
934 IEEE80211_REASON_IE_INVALID = 13, /* 11i */
935 IEEE80211_REASON_MIC_FAILURE = 14, /* 11i */
936 IEEE80211_REASON_4WAY_HANDSHAKE_TIMEOUT = 15, /* 11i */
937 IEEE80211_REASON_GROUP_KEY_UPDATE_TIMEOUT = 16, /* 11i */
938 IEEE80211_REASON_IE_IN_4WAY_DIFFERS = 17, /* 11i */
939 IEEE80211_REASON_GROUP_CIPHER_INVALID = 18, /* 11i */
940 IEEE80211_REASON_PAIRWISE_CIPHER_INVALID= 19, /* 11i */
941 IEEE80211_REASON_AKMP_INVALID = 20, /* 11i */
942 IEEE80211_REASON_UNSUPP_RSN_IE_VERSION = 21, /* 11i */
943 IEEE80211_REASON_INVALID_RSN_IE_CAP = 22, /* 11i */
944 IEEE80211_REASON_802_1X_AUTH_FAILED = 23, /* 11i */
945 IEEE80211_REASON_CIPHER_SUITE_REJECTED = 24, /* 11i */
946 IEEE80211_REASON_UNSPECIFIED_QOS = 32, /* 11e */
947 IEEE80211_REASON_INSUFFICIENT_BW = 33, /* 11e */
948 IEEE80211_REASON_TOOMANY_FRAMES = 34, /* 11e */
949 IEEE80211_REASON_OUTSIDE_TXOP = 35, /* 11e */
950 IEEE80211_REASON_LEAVING_QBSS = 36, /* 11e */
951 IEEE80211_REASON_BAD_MECHANISM = 37, /* 11e */
952 IEEE80211_REASON_SETUP_NEEDED = 38, /* 11e */
953 IEEE80211_REASON_TIMEOUT = 39, /* 11e */
955 IEEE80211_REASON_PEER_LINK_CANCELED = 52, /* 11s */
956 IEEE80211_REASON_MESH_MAX_PEERS = 53, /* 11s */
957 IEEE80211_REASON_MESH_CPVIOLATION = 54, /* 11s */
958 IEEE80211_REASON_MESH_CLOSE_RCVD = 55, /* 11s */
959 IEEE80211_REASON_MESH_MAX_RETRIES = 56, /* 11s */
960 IEEE80211_REASON_MESH_CONFIRM_TIMEOUT = 57, /* 11s */
961 IEEE80211_REASON_MESH_INVALID_GTK = 58, /* 11s */
962 IEEE80211_REASON_MESH_INCONS_PARAMS = 59, /* 11s */
963 IEEE80211_REASON_MESH_INVALID_SECURITY = 60, /* 11s */
964 IEEE80211_REASON_MESH_PERR_NO_PROXY = 61, /* 11s */
965 IEEE80211_REASON_MESH_PERR_NO_FI = 62, /* 11s */
966 IEEE80211_REASON_MESH_PERR_DEST_UNREACH = 63, /* 11s */
967 IEEE80211_REASON_MESH_MAC_ALRDY_EXISTS_MBSS = 64, /* 11s */
968 IEEE80211_REASON_MESH_CHAN_SWITCH_REG = 65, /* 11s */
969 IEEE80211_REASON_MESH_CHAN_SWITCH_UNSPEC = 66, /* 11s */
971 IEEE80211_STATUS_SUCCESS = 0,
972 IEEE80211_STATUS_UNSPECIFIED = 1,
973 IEEE80211_STATUS_CAPINFO = 10,
974 IEEE80211_STATUS_NOT_ASSOCED = 11,
975 IEEE80211_STATUS_OTHER = 12,
976 IEEE80211_STATUS_ALG = 13,
977 IEEE80211_STATUS_SEQUENCE = 14,
978 IEEE80211_STATUS_CHALLENGE = 15,
979 IEEE80211_STATUS_TIMEOUT = 16,
980 IEEE80211_STATUS_TOOMANY = 17,
981 IEEE80211_STATUS_BASIC_RATE = 18,
982 IEEE80211_STATUS_SP_REQUIRED = 19, /* 11b */
983 IEEE80211_STATUS_PBCC_REQUIRED = 20, /* 11b */
984 IEEE80211_STATUS_CA_REQUIRED = 21, /* 11b */
985 IEEE80211_STATUS_SPECMGMT_REQUIRED = 22, /* 11h */
986 IEEE80211_STATUS_PWRCAP_REQUIRED = 23, /* 11h */
987 IEEE80211_STATUS_SUPCHAN_REQUIRED = 24, /* 11h */
988 IEEE80211_STATUS_SHORTSLOT_REQUIRED = 25, /* 11g */
989 IEEE80211_STATUS_DSSSOFDM_REQUIRED = 26, /* 11g */
990 IEEE80211_STATUS_MISSING_HT_CAPS = 27, /* 11n D3.0 */
991 IEEE80211_STATUS_INVALID_IE = 40, /* 11i */
992 IEEE80211_STATUS_GROUP_CIPHER_INVALID = 41, /* 11i */
993 IEEE80211_STATUS_PAIRWISE_CIPHER_INVALID = 42, /* 11i */
994 IEEE80211_STATUS_AKMP_INVALID = 43, /* 11i */
995 IEEE80211_STATUS_UNSUPP_RSN_IE_VERSION = 44, /* 11i */
996 IEEE80211_STATUS_INVALID_RSN_IE_CAP = 45, /* 11i */
997 IEEE80211_STATUS_CIPHER_SUITE_REJECTED = 46, /* 11i */
1000 #define IEEE80211_WEP_KEYLEN 5 /* 40bit */
1001 #define IEEE80211_WEP_IVLEN 3 /* 24bit */
1002 #define IEEE80211_WEP_KIDLEN 1 /* 1 octet */
1003 #define IEEE80211_WEP_CRCLEN 4 /* CRC-32 */
1004 #define IEEE80211_WEP_TOTLEN (IEEE80211_WEP_IVLEN + \
1005 IEEE80211_WEP_KIDLEN + \
1006 IEEE80211_WEP_CRCLEN)
1007 #define IEEE80211_WEP_NKID 4 /* number of key ids */
1010 * 802.11i defines an extended IV for use with non-WEP ciphers.
1011 * When the EXTIV bit is set in the key id byte an additional
1012 * 4 bytes immediately follow the IV for TKIP. For CCMP the
1013 * EXTIV bit is likewise set but the 8 bytes represent the
1014 * CCMP header rather than IV+extended-IV.
1016 #define IEEE80211_WEP_EXTIV 0x20
1017 #define IEEE80211_WEP_EXTIVLEN 4 /* extended IV length */
1018 #define IEEE80211_WEP_MICLEN 8 /* trailing MIC */
1020 #define IEEE80211_CRC_LEN 4
1023 * Maximum acceptable MTU is:
1024 * IEEE80211_MAX_LEN - WEP overhead - CRC -
1025 * QoS overhead - RSN/WPA overhead
1026 * Min is arbitrarily chosen > IEEE80211_MIN_LEN. The default
1027 * mtu is Ethernet-compatible; it's set by ether_ifattach.
1029 #define IEEE80211_MTU_MAX 2290
1030 #define IEEE80211_MTU_MIN 32
1032 #define IEEE80211_MAX_LEN (2300 + IEEE80211_CRC_LEN + \
1033 (IEEE80211_WEP_IVLEN + IEEE80211_WEP_KIDLEN + IEEE80211_WEP_CRCLEN))
1034 #define IEEE80211_ACK_LEN \
1035 (sizeof(struct ieee80211_frame_ack) + IEEE80211_CRC_LEN)
1036 #define IEEE80211_MIN_LEN \
1037 (sizeof(struct ieee80211_frame_min) + IEEE80211_CRC_LEN)
1040 * The 802.11 spec says at most 2007 stations may be
1041 * associated at once. For most AP's this is way more
1042 * than is feasible so we use a default of IEEE80211_AID_DEF.
1043 * This number may be overridden by the driver and/or by
1044 * user configuration but may not be less than IEEE80211_AID_MIN
1045 * (see _ieee80211.h for implementation-specific settings).
1047 #define IEEE80211_AID_MAX 2007
1049 #define IEEE80211_AID(b) ((b) &~ 0xc000)
1052 * RTS frame length parameters. The default is specified in
1053 * the 802.11 spec as 512; we treat it as implementation-dependent
1054 * so it's defined in ieee80211_var.h. The max may be wrong
1057 #define IEEE80211_RTS_MIN 1
1058 #define IEEE80211_RTS_MAX 2346
1061 * TX fragmentation parameters. As above for RTS, we treat
1062 * default as implementation-dependent so define it elsewhere.
1064 #define IEEE80211_FRAG_MIN 256
1065 #define IEEE80211_FRAG_MAX 2346
1068 * Beacon interval (TU's). Min+max come from WiFi requirements.
1069 * As above, we treat default as implementation-dependent so
1070 * define it elsewhere.
1072 #define IEEE80211_BINTVAL_MAX 1000 /* max beacon interval (TU's) */
1073 #define IEEE80211_BINTVAL_MIN 25 /* min beacon interval (TU's) */
1076 * DTIM period (beacons). Min+max are not really defined
1077 * by the protocol but we want them publicly visible so
1080 #define IEEE80211_DTIM_MAX 15 /* max DTIM period */
1081 #define IEEE80211_DTIM_MIN 1 /* min DTIM period */
1084 * Beacon miss threshold (beacons). As for DTIM, we define
1085 * them here to be publicly visible. Note the max may be
1086 * clamped depending on device capabilities.
1088 #define IEEE80211_HWBMISS_MIN 1
1089 #define IEEE80211_HWBMISS_MAX 255
1092 * 802.11 frame duration definitions.
1095 struct ieee80211_duration {
1097 uint16_t d_data_dur;
1098 uint16_t d_plcp_len;
1099 uint8_t d_residue; /* unused octets in time slot */
1102 /* One Time Unit (TU) is 1Kus = 1024 microseconds. */
1103 #define IEEE80211_DUR_TU 1024
1105 /* IEEE 802.11b durations for DSSS PHY in microseconds */
1106 #define IEEE80211_DUR_DS_LONG_PREAMBLE 144
1107 #define IEEE80211_DUR_DS_SHORT_PREAMBLE 72
1109 #define IEEE80211_DUR_DS_SLOW_PLCPHDR 48
1110 #define IEEE80211_DUR_DS_FAST_PLCPHDR 24
1111 #define IEEE80211_DUR_DS_SLOW_ACK 112
1112 #define IEEE80211_DUR_DS_FAST_ACK 56
1113 #define IEEE80211_DUR_DS_SLOW_CTS 112
1114 #define IEEE80211_DUR_DS_FAST_CTS 56
1116 #define IEEE80211_DUR_DS_SLOT 20
1117 #define IEEE80211_DUR_DS_SIFS 10
1118 #define IEEE80211_DUR_DS_PIFS (IEEE80211_DUR_DS_SIFS + IEEE80211_DUR_DS_SLOT)
1119 #define IEEE80211_DUR_DS_DIFS (IEEE80211_DUR_DS_SIFS + \
1120 2 * IEEE80211_DUR_DS_SLOT)
1121 #define IEEE80211_DUR_DS_EIFS (IEEE80211_DUR_DS_SIFS + \
1122 IEEE80211_DUR_DS_SLOW_ACK + \
1123 IEEE80211_DUR_DS_LONG_PREAMBLE + \
1124 IEEE80211_DUR_DS_SLOW_PLCPHDR + \
1127 #endif /* _NET80211_IEEE80211_H_ */