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)
39 typedef uint16_t ieee80211_seq;
41 /* IEEE 802.11 PLCP header */
42 struct ieee80211_plcp_hdr {
50 #define IEEE80211_PLCP_SFD 0xF3A0
51 #define IEEE80211_PLCP_SERVICE 0x00
52 #define IEEE80211_PLCP_SERVICE_LOCKED 0x04
53 #define IEEE80211_PLCL_SERVICE_PBCC 0x08
54 #define IEEE80211_PLCP_SERVICE_LENEXT5 0x20
55 #define IEEE80211_PLCP_SERVICE_LENEXT6 0x40
56 #define IEEE80211_PLCP_SERVICE_LENEXT7 0x80
59 * generic definitions for IEEE 802.11 frames
61 struct ieee80211_frame {
64 uint8_t i_addr1[IEEE80211_ADDR_LEN];
65 uint8_t i_addr2[IEEE80211_ADDR_LEN];
66 uint8_t i_addr3[IEEE80211_ADDR_LEN];
68 /* possibly followed by addr4[IEEE80211_ADDR_LEN]; */
72 struct ieee80211_qosframe {
75 uint8_t i_addr1[IEEE80211_ADDR_LEN];
76 uint8_t i_addr2[IEEE80211_ADDR_LEN];
77 uint8_t i_addr3[IEEE80211_ADDR_LEN];
80 /* possibly followed by addr4[IEEE80211_ADDR_LEN]; */
84 struct ieee80211_qoscntl {
88 struct ieee80211_frame_addr4 {
91 uint8_t i_addr1[IEEE80211_ADDR_LEN];
92 uint8_t i_addr2[IEEE80211_ADDR_LEN];
93 uint8_t i_addr3[IEEE80211_ADDR_LEN];
95 uint8_t i_addr4[IEEE80211_ADDR_LEN];
99 struct ieee80211_qosframe_addr4 {
102 uint8_t i_addr1[IEEE80211_ADDR_LEN];
103 uint8_t i_addr2[IEEE80211_ADDR_LEN];
104 uint8_t i_addr3[IEEE80211_ADDR_LEN];
106 uint8_t i_addr4[IEEE80211_ADDR_LEN];
110 #define IEEE80211_FC0_VERSION_MASK 0x03
111 #define IEEE80211_FC0_VERSION_SHIFT 0
112 #define IEEE80211_FC0_VERSION_0 0x00
113 #define IEEE80211_FC0_TYPE_MASK 0x0c
114 #define IEEE80211_FC0_TYPE_SHIFT 2
115 #define IEEE80211_FC0_TYPE_MGT 0x00
116 #define IEEE80211_FC0_TYPE_CTL 0x04
117 #define IEEE80211_FC0_TYPE_DATA 0x08
119 #define IEEE80211_FC0_SUBTYPE_MASK 0xf0
120 #define IEEE80211_FC0_SUBTYPE_SHIFT 4
122 #define IEEE80211_FC0_SUBTYPE_ASSOC_REQ 0x00
123 #define IEEE80211_FC0_SUBTYPE_ASSOC_RESP 0x10
124 #define IEEE80211_FC0_SUBTYPE_REASSOC_REQ 0x20
125 #define IEEE80211_FC0_SUBTYPE_REASSOC_RESP 0x30
126 #define IEEE80211_FC0_SUBTYPE_PROBE_REQ 0x40
127 #define IEEE80211_FC0_SUBTYPE_PROBE_RESP 0x50
128 #define IEEE80211_FC0_SUBTYPE_BEACON 0x80
129 #define IEEE80211_FC0_SUBTYPE_ATIM 0x90
130 #define IEEE80211_FC0_SUBTYPE_DISASSOC 0xa0
131 #define IEEE80211_FC0_SUBTYPE_AUTH 0xb0
132 #define IEEE80211_FC0_SUBTYPE_DEAUTH 0xc0
133 #define IEEE80211_FC0_SUBTYPE_ACTION 0xd0
134 #define IEEE80211_FC0_SUBTYPE_ACTION_NOACK 0xe0
136 #define IEEE80211_FC0_SUBTYPE_BAR 0x80
137 #define IEEE80211_FC0_SUBTYPE_BA 0x90
138 #define IEEE80211_FC0_SUBTYPE_PS_POLL 0xa0
139 #define IEEE80211_FC0_SUBTYPE_RTS 0xb0
140 #define IEEE80211_FC0_SUBTYPE_CTS 0xc0
141 #define IEEE80211_FC0_SUBTYPE_ACK 0xd0
142 #define IEEE80211_FC0_SUBTYPE_CF_END 0xe0
143 #define IEEE80211_FC0_SUBTYPE_CF_END_ACK 0xf0
144 /* for TYPE_DATA (bit combination) */
145 #define IEEE80211_FC0_SUBTYPE_DATA 0x00
146 #define IEEE80211_FC0_SUBTYPE_CF_ACK 0x10
147 #define IEEE80211_FC0_SUBTYPE_CF_POLL 0x20
148 #define IEEE80211_FC0_SUBTYPE_CF_ACPL 0x30
149 #define IEEE80211_FC0_SUBTYPE_NODATA 0x40
150 #define IEEE80211_FC0_SUBTYPE_CFACK 0x50
151 #define IEEE80211_FC0_SUBTYPE_CFPOLL 0x60
152 #define IEEE80211_FC0_SUBTYPE_CF_ACK_CF_ACK 0x70
153 #define IEEE80211_FC0_SUBTYPE_QOS 0x80
154 #define IEEE80211_FC0_SUBTYPE_QOS_NULL 0xc0
156 #define IEEE80211_FC1_DIR_MASK 0x03
157 #define IEEE80211_FC1_DIR_NODS 0x00 /* STA->STA */
158 #define IEEE80211_FC1_DIR_TODS 0x01 /* STA->AP */
159 #define IEEE80211_FC1_DIR_FROMDS 0x02 /* AP ->STA */
160 #define IEEE80211_FC1_DIR_DSTODS 0x03 /* AP ->AP */
162 #define IEEE80211_IS_DSTODS(wh) \
163 (((wh)->i_fc[1] & IEEE80211_FC1_DIR_MASK) == IEEE80211_FC1_DIR_DSTODS)
165 #define IEEE80211_FC1_MORE_FRAG 0x04
166 #define IEEE80211_FC1_RETRY 0x08
167 #define IEEE80211_FC1_PWR_MGT 0x10
168 #define IEEE80211_FC1_MORE_DATA 0x20
169 #define IEEE80211_FC1_PROTECTED 0x40
170 #define IEEE80211_FC1_ORDER 0x80
172 #define IEEE80211_SEQ_FRAG_MASK 0x000f
173 #define IEEE80211_SEQ_FRAG_SHIFT 0
174 #define IEEE80211_SEQ_SEQ_MASK 0xfff0
175 #define IEEE80211_SEQ_SEQ_SHIFT 4
176 #define IEEE80211_SEQ_RANGE 4096
178 #define IEEE80211_SEQ_ADD(seq, incr) \
179 (((seq) + (incr)) & (IEEE80211_SEQ_RANGE-1))
180 #define IEEE80211_SEQ_INC(seq) IEEE80211_SEQ_ADD(seq,1)
181 #define IEEE80211_SEQ_SUB(a, b) \
182 (((a) + IEEE80211_SEQ_RANGE - (b)) & (IEEE80211_SEQ_RANGE-1))
184 #define IEEE80211_SEQ_BA_RANGE 2048 /* 2^11 */
185 #define IEEE80211_SEQ_BA_BEFORE(a, b) \
186 (IEEE80211_SEQ_SUB(b, a+1) < IEEE80211_SEQ_BA_RANGE-1)
188 #define IEEE80211_NWID_LEN 32
189 #define IEEE80211_MESHID_LEN 32
191 #define IEEE80211_QOS_TXOP 0x00ff
192 /* bit 8 is reserved */
193 #define IEEE80211_QOS_AMSDU 0x80
194 #define IEEE80211_QOS_AMSDU_S 7
195 #define IEEE80211_QOS_ACKPOLICY 0x60
196 #define IEEE80211_QOS_ACKPOLICY_S 5
197 #define IEEE80211_QOS_ACKPOLICY_NOACK 0x20 /* No ACK required */
198 #define IEEE80211_QOS_ACKPOLICY_BA 0x60 /* Block ACK */
199 #define IEEE80211_QOS_EOSP 0x10 /* EndOfService Period*/
200 #define IEEE80211_QOS_EOSP_S 4
201 #define IEEE80211_QOS_TID 0x0f
202 /* qos[1] byte used for all frames sent by mesh STAs in a mesh BSS */
203 #define IEEE80211_QOS_MC 0x01 /* Mesh control */
204 /* Mesh power save level*/
205 #define IEEE80211_QOS_MESH_PSL 0x02
206 /* Mesh Receiver Service Period Initiated */
207 #define IEEE80211_QOS_RSPI 0x04
208 /* bits 11 to 15 reserved */
210 /* does frame have QoS sequence control data */
211 #define IEEE80211_QOS_HAS_SEQ(wh) \
213 (IEEE80211_FC0_TYPE_MASK | IEEE80211_FC0_SUBTYPE_QOS)) == \
214 (IEEE80211_FC0_TYPE_DATA | IEEE80211_FC0_SUBTYPE_QOS))
217 * WME/802.11e information element.
219 struct ieee80211_wme_info {
220 uint8_t wme_id; /* IEEE80211_ELEMID_VENDOR */
221 uint8_t wme_len; /* length in bytes */
222 uint8_t wme_oui[3]; /* 0x00, 0x50, 0xf2 */
223 uint8_t wme_type; /* OUI type */
224 uint8_t wme_subtype; /* OUI subtype */
225 uint8_t wme_version; /* spec revision */
226 uint8_t wme_info; /* QoS info */
230 * WME/802.11e Tspec Element
232 struct ieee80211_wme_tspec {
237 uint8_t ts_oui_subtype;
239 uint8_t ts_tsinfo[3];
240 uint8_t ts_nom_msdu[2];
241 uint8_t ts_max_msdu[2];
242 uint8_t ts_min_svc[4];
243 uint8_t ts_max_svc[4];
244 uint8_t ts_inactv_intv[4];
245 uint8_t ts_susp_intv[4];
246 uint8_t ts_start_svc[4];
247 uint8_t ts_min_rate[4];
248 uint8_t ts_mean_rate[4];
249 uint8_t ts_max_burst[4];
250 uint8_t ts_min_phy[4];
251 uint8_t ts_peak_rate[4];
253 uint8_t ts_surplus[2];
254 uint8_t ts_medium_time[2];
258 * WME AC parameter field
260 struct ieee80211_wme_acparams {
261 uint8_t acp_aci_aifsn;
262 uint8_t acp_logcwminmax;
266 #define WME_NUM_AC 4 /* 4 AC categories */
267 #define WME_NUM_TID 16 /* 16 tids */
269 #define WME_PARAM_ACI 0x60 /* Mask for ACI field */
270 #define WME_PARAM_ACI_S 5 /* Shift for ACI field */
271 #define WME_PARAM_ACM 0x10 /* Mask for ACM bit */
272 #define WME_PARAM_ACM_S 4 /* Shift for ACM bit */
273 #define WME_PARAM_AIFSN 0x0f /* Mask for aifsn field */
274 #define WME_PARAM_AIFSN_S 0 /* Shift for aifsn field */
275 #define WME_PARAM_LOGCWMIN 0x0f /* Mask for CwMin field (in log) */
276 #define WME_PARAM_LOGCWMIN_S 0 /* Shift for CwMin field */
277 #define WME_PARAM_LOGCWMAX 0xf0 /* Mask for CwMax field (in log) */
278 #define WME_PARAM_LOGCWMAX_S 4 /* Shift for CwMax field */
280 #define WME_AC_TO_TID(_ac) ( \
281 ((_ac) == WME_AC_VO) ? 6 : \
282 ((_ac) == WME_AC_VI) ? 5 : \
283 ((_ac) == WME_AC_BK) ? 1 : \
286 #define TID_TO_WME_AC(_tid) ( \
287 ((_tid) == 0 || (_tid) == 3) ? WME_AC_BE : \
288 ((_tid) < 3) ? WME_AC_BK : \
289 ((_tid) < 6) ? WME_AC_VI : \
293 * WME Parameter Element
295 struct ieee80211_wme_param {
298 uint8_t param_oui[3];
299 uint8_t param_oui_type;
300 uint8_t param_oui_subtype;
301 uint8_t param_version;
302 uint8_t param_qosInfo;
303 #define WME_QOSINFO_COUNT 0x0f /* Mask for param count field */
304 uint8_t param_reserved;
305 struct ieee80211_wme_acparams params_acParams[WME_NUM_AC];
309 * Management Notification Frame
311 struct ieee80211_mnf {
312 uint8_t mnf_category;
317 #define MNF_SETUP_REQ 0
318 #define MNF_SETUP_RESP 1
319 #define MNF_TEARDOWN 2
322 * 802.11n Management Action Frames
324 /* generic frame format */
325 struct ieee80211_action {
330 #define IEEE80211_ACTION_CAT_SM 0 /* Spectrum Management */
331 #define IEEE80211_ACTION_CAT_QOS 1 /* QoS */
332 #define IEEE80211_ACTION_CAT_DLS 2 /* DLS */
333 #define IEEE80211_ACTION_CAT_BA 3 /* BA */
334 #define IEEE80211_ACTION_CAT_HT 7 /* HT */
335 #define IEEE80211_ACTION_CAT_MESH 13 /* Mesh */
336 #define IEEE80211_ACTION_CAT_SELF_PROT 15 /* Self-protected */
337 /* 16 - 125 reserved */
338 #define IEEE80211_ACTION_CAT_VENDOR 127 /* Vendor Specific */
340 #define IEEE80211_ACTION_HT_TXCHWIDTH 0 /* recommended xmit chan width*/
341 #define IEEE80211_ACTION_HT_MIMOPWRSAVE 1 /* MIMO power save */
343 /* HT - recommended transmission channel width */
344 struct ieee80211_action_ht_txchwidth {
345 struct ieee80211_action at_header;
349 #define IEEE80211_A_HT_TXCHWIDTH_20 0
350 #define IEEE80211_A_HT_TXCHWIDTH_2040 1
352 /* HT - MIMO Power Save (NB: D2.04) */
353 struct ieee80211_action_ht_mimopowersave {
354 struct ieee80211_action am_header;
358 #define IEEE80211_A_HT_MIMOPWRSAVE_ENA 0x01 /* PS enabled */
359 #define IEEE80211_A_HT_MIMOPWRSAVE_MODE 0x02
360 #define IEEE80211_A_HT_MIMOPWRSAVE_MODE_S 1
361 #define IEEE80211_A_HT_MIMOPWRSAVE_DYNAMIC 0x02 /* Dynamic Mode */
362 #define IEEE80211_A_HT_MIMOPWRSAVE_STATIC 0x00 /* no SM packets */
363 /* bits 2-7 reserved */
365 /* Block Ack actions */
366 #define IEEE80211_ACTION_BA_ADDBA_REQUEST 0 /* ADDBA request */
367 #define IEEE80211_ACTION_BA_ADDBA_RESPONSE 1 /* ADDBA response */
368 #define IEEE80211_ACTION_BA_DELBA 2 /* DELBA */
370 /* Block Ack Parameter Set */
371 #define IEEE80211_BAPS_BUFSIZ 0xffc0 /* buffer size */
372 #define IEEE80211_BAPS_BUFSIZ_S 6
373 #define IEEE80211_BAPS_TID 0x003c /* TID */
374 #define IEEE80211_BAPS_TID_S 2
375 #define IEEE80211_BAPS_POLICY 0x0002 /* block ack policy */
376 #define IEEE80211_BAPS_POLICY_S 1
378 #define IEEE80211_BAPS_POLICY_DELAYED (0<<IEEE80211_BAPS_POLICY_S)
379 #define IEEE80211_BAPS_POLICY_IMMEDIATE (1<<IEEE80211_BAPS_POLICY_S)
381 /* Block Ack Sequence Control */
382 #define IEEE80211_BASEQ_START 0xfff0 /* starting seqnum */
383 #define IEEE80211_BASEQ_START_S 4
384 #define IEEE80211_BASEQ_FRAG 0x000f /* fragment number */
385 #define IEEE80211_BASEQ_FRAG_S 0
387 /* Delayed Block Ack Parameter Set */
388 #define IEEE80211_DELBAPS_TID 0xf000 /* TID */
389 #define IEEE80211_DELBAPS_TID_S 12
390 #define IEEE80211_DELBAPS_INIT 0x0800 /* initiator */
391 #define IEEE80211_DELBAPS_INIT_S 11
393 /* BA - ADDBA request */
394 struct ieee80211_action_ba_addbarequest {
395 struct ieee80211_action rq_header;
396 uint8_t rq_dialogtoken;
397 uint16_t rq_baparamset;
398 uint16_t rq_batimeout; /* in TUs */
399 uint16_t rq_baseqctl;
402 /* BA - ADDBA response */
403 struct ieee80211_action_ba_addbaresponse {
404 struct ieee80211_action rs_header;
405 uint8_t rs_dialogtoken;
406 uint16_t rs_statuscode;
407 uint16_t rs_baparamset;
408 uint16_t rs_batimeout; /* in TUs */
412 struct ieee80211_action_ba_delba {
413 struct ieee80211_action dl_header;
414 uint16_t dl_baparamset;
415 uint16_t dl_reasoncode;
419 #define IEEE80211_BAR_TID 0xf000 /* TID */
420 #define IEEE80211_BAR_TID_S 12
421 #define IEEE80211_BAR_COMP 0x0004 /* Compressed Bitmap */
422 #define IEEE80211_BAR_MTID 0x0002 /* Multi-TID */
423 #define IEEE80211_BAR_NOACK 0x0001 /* No-Ack policy */
425 /* BAR Starting Sequence Control */
426 #define IEEE80211_BAR_SEQ_START 0xfff0 /* starting seqnum */
427 #define IEEE80211_BAR_SEQ_START_S 4
429 struct ieee80211_ba_request {
431 uint16_t rq_barseqctl;
437 struct ieee80211_frame_min {
440 uint8_t i_addr1[IEEE80211_ADDR_LEN];
441 uint8_t i_addr2[IEEE80211_ADDR_LEN];
445 struct ieee80211_frame_rts {
448 uint8_t i_ra[IEEE80211_ADDR_LEN];
449 uint8_t i_ta[IEEE80211_ADDR_LEN];
453 struct ieee80211_frame_cts {
456 uint8_t i_ra[IEEE80211_ADDR_LEN];
460 struct ieee80211_frame_ack {
463 uint8_t i_ra[IEEE80211_ADDR_LEN];
467 struct ieee80211_frame_pspoll {
470 uint8_t i_bssid[IEEE80211_ADDR_LEN];
471 uint8_t i_ta[IEEE80211_ADDR_LEN];
475 struct ieee80211_frame_cfend { /* NB: also CF-End+CF-Ack */
477 uint8_t i_dur[2]; /* should be zero */
478 uint8_t i_ra[IEEE80211_ADDR_LEN];
479 uint8_t i_bssid[IEEE80211_ADDR_LEN];
483 struct ieee80211_frame_bar {
486 uint8_t i_ra[IEEE80211_ADDR_LEN];
487 uint8_t i_ta[IEEE80211_ADDR_LEN];
494 * BEACON management packets
497 * octet beacon interval[2]
498 * octet capability information[2]
499 * information element
502 * octet information[length]
505 #define IEEE80211_BEACON_INTERVAL(beacon) \
506 ((beacon)[8] | ((beacon)[9] << 8))
507 #define IEEE80211_BEACON_CAPABILITY(beacon) \
508 ((beacon)[10] | ((beacon)[11] << 8))
510 #define IEEE80211_CAPINFO_ESS 0x0001
511 #define IEEE80211_CAPINFO_IBSS 0x0002
512 #define IEEE80211_CAPINFO_CF_POLLABLE 0x0004
513 #define IEEE80211_CAPINFO_CF_POLLREQ 0x0008
514 #define IEEE80211_CAPINFO_PRIVACY 0x0010
515 #define IEEE80211_CAPINFO_SHORT_PREAMBLE 0x0020
516 #define IEEE80211_CAPINFO_PBCC 0x0040
517 #define IEEE80211_CAPINFO_CHNL_AGILITY 0x0080
518 #define IEEE80211_CAPINFO_SPECTRUM_MGMT 0x0100
519 /* bit 9 is reserved */
520 #define IEEE80211_CAPINFO_SHORT_SLOTTIME 0x0400
521 #define IEEE80211_CAPINFO_RSN 0x0800
522 /* bit 12 is reserved */
523 #define IEEE80211_CAPINFO_DSSSOFDM 0x2000
524 /* bits 14-15 are reserved */
526 #define IEEE80211_CAPINFO_BITS \
527 "\20\1ESS\2IBSS\3CF_POLLABLE\4CF_POLLREQ\5PRIVACY\6SHORT_PREAMBLE" \
528 "\7PBCC\10CHNL_AGILITY\11SPECTRUM_MGMT\13SHORT_SLOTTIME\14RSN" \
532 * 802.11i/WPA information element (maximally sized).
534 struct ieee80211_ie_wpa {
535 uint8_t wpa_id; /* IEEE80211_ELEMID_VENDOR */
536 uint8_t wpa_len; /* length in bytes */
537 uint8_t wpa_oui[3]; /* 0x00, 0x50, 0xf2 */
538 uint8_t wpa_type; /* OUI type */
539 uint16_t wpa_version; /* spec revision */
540 uint32_t wpa_mcipher[1]; /* multicast/group key cipher */
541 uint16_t wpa_uciphercnt; /* # pairwise key ciphers */
542 uint32_t wpa_uciphers[8];/* ciphers */
543 uint16_t wpa_authselcnt; /* authentication selector cnt*/
544 uint32_t wpa_authsels[8];/* selectors */
545 uint16_t wpa_caps; /* 802.11i capabilities */
546 uint16_t wpa_pmkidcnt; /* 802.11i pmkid count */
547 uint16_t wpa_pmkids[8]; /* 802.11i pmkids */
551 * 802.11n HT Capability IE
552 * NB: these reflect D1.10
554 struct ieee80211_ie_htcap {
555 uint8_t hc_id; /* element ID */
556 uint8_t hc_len; /* length in bytes */
557 uint16_t hc_cap; /* HT caps (see below) */
558 uint8_t hc_param; /* HT params (see below) */
559 uint8_t hc_mcsset[16]; /* supported MCS set */
560 uint16_t hc_extcap; /* extended HT capabilities */
561 uint32_t hc_txbf; /* txbf capabilities */
562 uint8_t hc_antenna; /* antenna capabilities */
565 /* HT capability flags (ht_cap) */
566 #define IEEE80211_HTCAP_LDPC 0x0001 /* LDPC supported */
567 #define IEEE80211_HTCAP_CHWIDTH40 0x0002 /* 20/40 supported */
568 #define IEEE80211_HTCAP_SMPS 0x000c /* SM Power Save mode */
569 #define IEEE80211_HTCAP_SMPS_OFF 0x000c /* disabled */
570 #define IEEE80211_HTCAP_SMPS_DYNAMIC 0x0004 /* send RTS first */
571 /* NB: SMPS value 2 is reserved */
572 #define IEEE80211_HTCAP_SMPS_ENA 0x0000 /* enabled (static mode) */
573 #define IEEE80211_HTCAP_GREENFIELD 0x0010 /* Greenfield supported */
574 #define IEEE80211_HTCAP_SHORTGI20 0x0020 /* Short GI in 20MHz */
575 #define IEEE80211_HTCAP_SHORTGI40 0x0040 /* Short GI in 40MHz */
576 #define IEEE80211_HTCAP_TXSTBC 0x0080 /* STBC tx ok */
577 #define IEEE80211_HTCAP_RXSTBC 0x0300 /* STBC rx support */
578 #define IEEE80211_HTCAP_RXSTBC_S 8
579 #define IEEE80211_HTCAP_RXSTBC_1STREAM 0x0100 /* 1 spatial stream */
580 #define IEEE80211_HTCAP_RXSTBC_2STREAM 0x0200 /* 1-2 spatial streams*/
581 #define IEEE80211_HTCAP_RXSTBC_3STREAM 0x0300 /* 1-3 spatial streams*/
582 #define IEEE80211_HTCAP_DELBA 0x0400 /* HT DELBA supported */
583 #define IEEE80211_HTCAP_MAXAMSDU 0x0800 /* max A-MSDU length */
584 #define IEEE80211_HTCAP_MAXAMSDU_7935 0x0800 /* 7935 octets */
585 #define IEEE80211_HTCAP_MAXAMSDU_3839 0x0000 /* 3839 octets */
586 #define IEEE80211_HTCAP_DSSSCCK40 0x1000 /* DSSS/CCK in 40MHz */
587 #define IEEE80211_HTCAP_PSMP 0x2000 /* PSMP supported */
588 #define IEEE80211_HTCAP_40INTOLERANT 0x4000 /* 40MHz intolerant */
589 #define IEEE80211_HTCAP_LSIGTXOPPROT 0x8000 /* L-SIG TXOP prot */
591 #define IEEE80211_HTCAP_BITS \
592 "\20\1LDPC\2CHWIDTH40\5GREENFIELD\6SHORTGI20\7SHORTGI40\10TXSTBC" \
593 "\13DELBA\14AMSDU(7935)\15DSSSCCK40\16PSMP\1740INTOLERANT" \
596 /* HT parameters (hc_param) */
597 #define IEEE80211_HTCAP_MAXRXAMPDU 0x03 /* max rx A-MPDU factor */
598 #define IEEE80211_HTCAP_MAXRXAMPDU_S 0
599 #define IEEE80211_HTCAP_MAXRXAMPDU_8K 0
600 #define IEEE80211_HTCAP_MAXRXAMPDU_16K 1
601 #define IEEE80211_HTCAP_MAXRXAMPDU_32K 2
602 #define IEEE80211_HTCAP_MAXRXAMPDU_64K 3
603 #define IEEE80211_HTCAP_MPDUDENSITY 0x1c /* min MPDU start spacing */
604 #define IEEE80211_HTCAP_MPDUDENSITY_S 2
605 #define IEEE80211_HTCAP_MPDUDENSITY_NA 0 /* no time restriction */
606 #define IEEE80211_HTCAP_MPDUDENSITY_025 1 /* 1/4 us */
607 #define IEEE80211_HTCAP_MPDUDENSITY_05 2 /* 1/2 us */
608 #define IEEE80211_HTCAP_MPDUDENSITY_1 3 /* 1 us */
609 #define IEEE80211_HTCAP_MPDUDENSITY_2 4 /* 2 us */
610 #define IEEE80211_HTCAP_MPDUDENSITY_4 5 /* 4 us */
611 #define IEEE80211_HTCAP_MPDUDENSITY_8 6 /* 8 us */
612 #define IEEE80211_HTCAP_MPDUDENSITY_16 7 /* 16 us */
614 /* HT extended capabilities (hc_extcap) */
615 #define IEEE80211_HTCAP_PCO 0x0001 /* PCO capable */
616 #define IEEE80211_HTCAP_PCOTRANS 0x0006 /* PCO transition time */
617 #define IEEE80211_HTCAP_PCOTRANS_S 1
618 #define IEEE80211_HTCAP_PCOTRANS_04 0x0002 /* 400 us */
619 #define IEEE80211_HTCAP_PCOTRANS_15 0x0004 /* 1.5 ms */
620 #define IEEE80211_HTCAP_PCOTRANS_5 0x0006 /* 5 ms */
621 /* bits 3-7 reserved */
622 #define IEEE80211_HTCAP_MCSFBACK 0x0300 /* MCS feedback */
623 #define IEEE80211_HTCAP_MCSFBACK_S 8
624 #define IEEE80211_HTCAP_MCSFBACK_NONE 0x0000 /* nothing provided */
625 #define IEEE80211_HTCAP_MCSFBACK_UNSOL 0x0200 /* unsolicited feedback */
626 #define IEEE80211_HTCAP_MCSFBACK_MRQ 0x0300 /* " "+respond to MRQ */
627 #define IEEE80211_HTCAP_HTC 0x0400 /* +HTC support */
628 #define IEEE80211_HTCAP_RDR 0x0800 /* reverse direction responder*/
629 /* bits 12-15 reserved */
632 * 802.11n HT Information IE
634 struct ieee80211_ie_htinfo {
635 uint8_t hi_id; /* element ID */
636 uint8_t hi_len; /* length in bytes */
637 uint8_t hi_ctrlchannel; /* primary channel */
638 uint8_t hi_byte1; /* ht ie byte 1 */
639 uint8_t hi_byte2; /* ht ie byte 2 */
640 uint8_t hi_byte3; /* ht ie byte 3 */
641 uint16_t hi_byte45; /* ht ie bytes 4+5 */
642 uint8_t hi_basicmcsset[16]; /* basic MCS set */
646 #define IEEE80211_HTINFO_2NDCHAN 0x03 /* secondary/ext chan offset */
647 #define IEEE80211_HTINFO_2NDCHAN_S 0
648 #define IEEE80211_HTINFO_2NDCHAN_NONE 0x00 /* no secondary/ext channel */
649 #define IEEE80211_HTINFO_2NDCHAN_ABOVE 0x01 /* above private channel */
650 /* NB: 2 is reserved */
651 #define IEEE80211_HTINFO_2NDCHAN_BELOW 0x03 /* below primary channel */
652 #define IEEE80211_HTINFO_TXWIDTH 0x04 /* tx channel width */
653 #define IEEE80211_HTINFO_TXWIDTH_20 0x00 /* 20MHz width */
654 #define IEEE80211_HTINFO_TXWIDTH_2040 0x04 /* any supported width */
655 #define IEEE80211_HTINFO_RIFSMODE 0x08 /* Reduced IFS (RIFS) use */
656 #define IEEE80211_HTINFO_RIFSMODE_PROH 0x00 /* RIFS use prohibited */
657 #define IEEE80211_HTINFO_RIFSMODE_PERM 0x08 /* RIFS use permitted */
658 #define IEEE80211_HTINFO_PMSPONLY 0x10 /* PSMP required to associate */
659 #define IEEE80211_HTINFO_SIGRAN 0xe0 /* shortest Service Interval */
660 #define IEEE80211_HTINFO_SIGRAN_S 5
661 #define IEEE80211_HTINFO_SIGRAN_5 0x00 /* 5 ms */
665 #define IEEE80211_HTINFO_OPMODE 0x03 /* operating mode */
666 #define IEEE80211_HTINFO_OPMODE_S 0
667 #define IEEE80211_HTINFO_OPMODE_PURE 0x00 /* no protection */
668 #define IEEE80211_HTINFO_OPMODE_PROTOPT 0x01 /* protection optional */
669 #define IEEE80211_HTINFO_OPMODE_HT20PR 0x02 /* protection for HT20 sta's */
670 #define IEEE80211_HTINFO_OPMODE_MIXED 0x03 /* protection for legacy sta's*/
671 #define IEEE80211_HTINFO_NONGF_PRESENT 0x04 /* non-GF sta's present */
672 #define IEEE80211_HTINFO_TXBL 0x08 /* transmit burst limit */
673 #define IEEE80211_HTINFO_NONHT_PRESENT 0x10 /* non-HT sta's present */
674 /* bits 5-15 reserved */
677 #define IEEE80211_HTINFO_2NDARYBEACON 0x01
678 #define IEEE80211_HTINFO_LSIGTXOPPROT 0x02
679 #define IEEE80211_HTINFO_PCO_ACTIVE 0x04
680 #define IEEE80211_HTINFO_40MHZPHASE 0x08
683 #define IEEE80211_HTINFO_BASIC_STBCMCS 0x7f
684 #define IEEE80211_HTINFO_BASIC_STBCMCS_S 0
685 #define IEEE80211_HTINFO_DUALPROTECTED 0x80
688 * Management information element payloads.
692 IEEE80211_ELEMID_SSID = 0,
693 IEEE80211_ELEMID_RATES = 1,
694 IEEE80211_ELEMID_FHPARMS = 2,
695 IEEE80211_ELEMID_DSPARMS = 3,
696 IEEE80211_ELEMID_CFPARMS = 4,
697 IEEE80211_ELEMID_TIM = 5,
698 IEEE80211_ELEMID_IBSSPARMS = 6,
699 IEEE80211_ELEMID_COUNTRY = 7,
700 IEEE80211_ELEMID_CHALLENGE = 16,
701 /* 17-31 reserved for challenge text extension */
702 IEEE80211_ELEMID_PWRCNSTR = 32,
703 IEEE80211_ELEMID_PWRCAP = 33,
704 IEEE80211_ELEMID_TPCREQ = 34,
705 IEEE80211_ELEMID_TPCREP = 35,
706 IEEE80211_ELEMID_SUPPCHAN = 36,
707 IEEE80211_ELEMID_CSA = 37,
708 IEEE80211_ELEMID_MEASREQ = 38,
709 IEEE80211_ELEMID_MEASREP = 39,
710 IEEE80211_ELEMID_QUIET = 40,
711 IEEE80211_ELEMID_IBSSDFS = 41,
712 IEEE80211_ELEMID_ERP = 42,
713 IEEE80211_ELEMID_HTCAP = 45,
714 IEEE80211_ELEMID_QOS = 46,
715 IEEE80211_ELEMID_RSN = 48,
716 IEEE80211_ELEMID_XRATES = 50,
717 IEEE80211_ELEMID_HTINFO = 61,
718 IEEE80211_ELEMID_TPC = 150,
719 IEEE80211_ELEMID_CCKM = 156,
720 IEEE80211_ELEMID_VENDOR = 221, /* vendor private */
724 * NB: On vanilla Linux still IEEE80211_ELEMID_MESHPEER = 55,
725 * but they defined a new with id 117 called PEER_MGMT.
726 * NB: complies with open80211
728 IEEE80211_ELEMID_MESHCONF = 113,
729 IEEE80211_ELEMID_MESHID = 114,
730 IEEE80211_ELEMID_MESHLINK = 115,
731 IEEE80211_ELEMID_MESHCNGST = 116,
732 IEEE80211_ELEMID_MESHPEER = 117,
733 IEEE80211_ELEMID_MESHCSA = 118,
734 IEEE80211_ELEMID_MESHTIM = 39, /* XXX: remove */
735 IEEE80211_ELEMID_MESHAWAKEW = 119,
736 IEEE80211_ELEMID_MESHBEACONT = 120,
737 /* 121-124 MMCAOP not implemented yet */
738 IEEE80211_ELEMID_MESHGANN = 125,
739 IEEE80211_ELEMID_MESHRANN = 126,
740 /* 127 Extended Capabilities */
741 /* 128-129 reserved */
742 IEEE80211_ELEMID_MESHPREQ = 130,
743 IEEE80211_ELEMID_MESHPREP = 131,
744 IEEE80211_ELEMID_MESHPERR = 132,
745 /* 133-136 reserved */
746 IEEE80211_ELEMID_MESHPXU = 137,
747 IEEE80211_ELEMID_MESHPXUC = 138,
748 IEEE80211_ELEMID_MESHAH = 60, /* XXX: remove */
751 struct ieee80211_tim_ie {
752 uint8_t tim_ie; /* IEEE80211_ELEMID_TIM */
754 uint8_t tim_count; /* DTIM count */
755 uint8_t tim_period; /* DTIM period */
756 uint8_t tim_bitctl; /* bitmap control */
757 uint8_t tim_bitmap[1]; /* variable-length bitmap */
760 struct ieee80211_country_ie {
761 uint8_t ie; /* IEEE80211_ELEMID_COUNTRY */
763 uint8_t cc[3]; /* ISO CC+(I)ndoor/(O)utdoor */
765 uint8_t schan; /* starting channel */
766 uint8_t nchan; /* number channels */
767 uint8_t maxtxpwr; /* tx power cap */
768 } __packed band[1]; /* sub bands (NB: var size) */
771 #define IEEE80211_COUNTRY_MAX_BANDS 84 /* max possible bands */
772 #define IEEE80211_COUNTRY_MAX_SIZE \
773 (sizeof(struct ieee80211_country_ie) + 3*(IEEE80211_COUNTRY_MAX_BANDS-1))
776 * 802.11h Quiet Time Element.
778 struct ieee80211_quiet_ie {
779 uint8_t quiet_ie; /* IEEE80211_ELEMID_QUIET */
781 uint8_t tbttcount; /* quiet start */
782 uint8_t period; /* beacon intervals between quiets */
783 uint16_t duration; /* TUs of each quiet*/
784 uint16_t offset; /* TUs of from TBTT of quiet start */
788 * 802.11h Channel Switch Announcement (CSA).
790 struct ieee80211_csa_ie {
791 uint8_t csa_ie; /* IEEE80211_ELEMID_CHANSWITCHANN */
793 uint8_t csa_mode; /* Channel Switch Mode */
794 uint8_t csa_newchan; /* New Channel Number */
795 uint8_t csa_count; /* Channel Switch Count */
799 * Note the min acceptable CSA count is used to guard against
800 * malicious CSA injection in station mode. Defining this value
801 * as other than 0 violates the 11h spec.
803 #define IEEE80211_CSA_COUNT_MIN 2
804 #define IEEE80211_CSA_COUNT_MAX 255
806 /* rate set entries are in .5 Mb/s units, and potentially marked as basic */
807 #define IEEE80211_RATE_BASIC 0x80
808 #define IEEE80211_RATE_VAL 0x7f
810 /* EPR information element flags */
811 #define IEEE80211_ERP_NON_ERP_PRESENT 0x01
812 #define IEEE80211_ERP_USE_PROTECTION 0x02
813 #define IEEE80211_ERP_LONG_PREAMBLE 0x04
815 #define IEEE80211_ERP_BITS \
816 "\20\1NON_ERP_PRESENT\2USE_PROTECTION\3LONG_PREAMBLE"
818 #define ATH_OUI 0x7f0300 /* Atheros OUI */
819 #define ATH_OUI_TYPE 0x01 /* Atheros protocol ie */
821 /* NB: Atheros allocated the OUI for this purpose ~2005 but beware ... */
822 #define TDMA_OUI ATH_OUI
823 #define TDMA_OUI_TYPE 0x02 /* TDMA protocol ie */
825 #define BCM_OUI 0x4c9000 /* Broadcom OUI */
826 #define BCM_OUI_HTCAP 51 /* pre-draft HTCAP ie */
827 #define BCM_OUI_HTINFO 52 /* pre-draft HTINFO ie */
829 #define WPA_OUI 0xf25000
830 #define WPA_OUI_TYPE 0x01
831 #define WPA_VERSION 1 /* current supported version */
833 #define WPA_CSE_NULL 0x00
834 #define WPA_CSE_WEP40 0x01
835 #define WPA_CSE_TKIP 0x02
836 #define WPA_CSE_CCMP 0x04
837 #define WPA_CSE_WEP104 0x05
839 #define WPA_ASE_NONE 0x00
840 #define WPA_ASE_8021X_UNSPEC 0x01
841 #define WPA_ASE_8021X_PSK 0x02
843 #define WPS_OUI_TYPE 0x04
845 #define RSN_OUI 0xac0f00
846 #define RSN_VERSION 1 /* current supported version */
848 #define RSN_CSE_NULL 0x00
849 #define RSN_CSE_WEP40 0x01
850 #define RSN_CSE_TKIP 0x02
851 #define RSN_CSE_WRAP 0x03
852 #define RSN_CSE_CCMP 0x04
853 #define RSN_CSE_WEP104 0x05
855 #define RSN_ASE_NONE 0x00
856 #define RSN_ASE_8021X_UNSPEC 0x01
857 #define RSN_ASE_8021X_PSK 0x02
859 #define RSN_CAP_PREAUTH 0x01
861 #define WME_OUI 0xf25000
862 #define WME_OUI_TYPE 0x02
863 #define WME_INFO_OUI_SUBTYPE 0x00
864 #define WME_PARAM_OUI_SUBTYPE 0x01
865 #define WME_VERSION 1
867 /* WME stream classes */
868 #define WME_AC_BE 0 /* best effort */
869 #define WME_AC_BK 1 /* background */
870 #define WME_AC_VI 2 /* video */
871 #define WME_AC_VO 3 /* voice */
874 * AUTH management packets
881 * octet chal.text[253] NB: 1-253 bytes
884 /* challenge length for shared key auth */
885 #define IEEE80211_CHALLENGE_LEN 128
887 #define IEEE80211_AUTH_ALG_OPEN 0x0000
888 #define IEEE80211_AUTH_ALG_SHARED 0x0001
889 #define IEEE80211_AUTH_ALG_LEAP 0x0080
892 IEEE80211_AUTH_OPEN_REQUEST = 1,
893 IEEE80211_AUTH_OPEN_RESPONSE = 2,
897 IEEE80211_AUTH_SHARED_REQUEST = 1,
898 IEEE80211_AUTH_SHARED_CHALLENGE = 2,
899 IEEE80211_AUTH_SHARED_RESPONSE = 3,
900 IEEE80211_AUTH_SHARED_PASS = 4,
904 * Reason and status codes.
906 * Reason codes are used in management frames to indicate why an
907 * action took place (e.g. on disassociation). Status codes are
908 * used in management frames to indicate the result of an operation.
910 * Unlisted codes are reserved
914 IEEE80211_REASON_UNSPECIFIED = 1,
915 IEEE80211_REASON_AUTH_EXPIRE = 2,
916 IEEE80211_REASON_AUTH_LEAVE = 3,
917 IEEE80211_REASON_ASSOC_EXPIRE = 4,
918 IEEE80211_REASON_ASSOC_TOOMANY = 5,
919 IEEE80211_REASON_NOT_AUTHED = 6,
920 IEEE80211_REASON_NOT_ASSOCED = 7,
921 IEEE80211_REASON_ASSOC_LEAVE = 8,
922 IEEE80211_REASON_ASSOC_NOT_AUTHED = 9,
923 IEEE80211_REASON_DISASSOC_PWRCAP_BAD = 10, /* 11h */
924 IEEE80211_REASON_DISASSOC_SUPCHAN_BAD = 11, /* 11h */
925 IEEE80211_REASON_IE_INVALID = 13, /* 11i */
926 IEEE80211_REASON_MIC_FAILURE = 14, /* 11i */
927 IEEE80211_REASON_4WAY_HANDSHAKE_TIMEOUT = 15, /* 11i */
928 IEEE80211_REASON_GROUP_KEY_UPDATE_TIMEOUT = 16, /* 11i */
929 IEEE80211_REASON_IE_IN_4WAY_DIFFERS = 17, /* 11i */
930 IEEE80211_REASON_GROUP_CIPHER_INVALID = 18, /* 11i */
931 IEEE80211_REASON_PAIRWISE_CIPHER_INVALID= 19, /* 11i */
932 IEEE80211_REASON_AKMP_INVALID = 20, /* 11i */
933 IEEE80211_REASON_UNSUPP_RSN_IE_VERSION = 21, /* 11i */
934 IEEE80211_REASON_INVALID_RSN_IE_CAP = 22, /* 11i */
935 IEEE80211_REASON_802_1X_AUTH_FAILED = 23, /* 11i */
936 IEEE80211_REASON_CIPHER_SUITE_REJECTED = 24, /* 11i */
937 IEEE80211_REASON_UNSPECIFIED_QOS = 32, /* 11e */
938 IEEE80211_REASON_INSUFFICIENT_BW = 33, /* 11e */
939 IEEE80211_REASON_TOOMANY_FRAMES = 34, /* 11e */
940 IEEE80211_REASON_OUTSIDE_TXOP = 35, /* 11e */
941 IEEE80211_REASON_LEAVING_QBSS = 36, /* 11e */
942 IEEE80211_REASON_BAD_MECHANISM = 37, /* 11e */
943 IEEE80211_REASON_SETUP_NEEDED = 38, /* 11e */
944 IEEE80211_REASON_TIMEOUT = 39, /* 11e */
946 IEEE80211_REASON_PEER_LINK_CANCELED = 52, /* 11s */
947 IEEE80211_REASON_MESH_MAX_PEERS = 53, /* 11s */
948 IEEE80211_REASON_MESH_CPVIOLATION = 54, /* 11s */
949 IEEE80211_REASON_MESH_CLOSE_RCVD = 55, /* 11s */
950 IEEE80211_REASON_MESH_MAX_RETRIES = 56, /* 11s */
951 IEEE80211_REASON_MESH_CONFIRM_TIMEOUT = 57, /* 11s */
952 IEEE80211_REASON_MESH_INVALID_GTK = 58, /* 11s */
953 IEEE80211_REASON_MESH_INCONS_PARAMS = 59, /* 11s */
954 IEEE80211_REASON_MESH_INVALID_SECURITY = 60, /* 11s */
955 IEEE80211_REASON_MESH_PERR_NO_PROXY = 61, /* 11s */
956 IEEE80211_REASON_MESH_PERR_NO_FI = 62, /* 11s */
957 IEEE80211_REASON_MESH_PERR_DEST_UNREACH = 63, /* 11s */
958 IEEE80211_REASON_MESH_MAC_ALRDY_EXISTS_MBSS = 64, /* 11s */
959 IEEE80211_REASON_MESH_CHAN_SWITCH_REG = 65, /* 11s */
960 IEEE80211_REASON_MESH_CHAN_SWITCH_UNSPEC = 66, /* 11s */
962 IEEE80211_STATUS_SUCCESS = 0,
963 IEEE80211_STATUS_UNSPECIFIED = 1,
964 IEEE80211_STATUS_CAPINFO = 10,
965 IEEE80211_STATUS_NOT_ASSOCED = 11,
966 IEEE80211_STATUS_OTHER = 12,
967 IEEE80211_STATUS_ALG = 13,
968 IEEE80211_STATUS_SEQUENCE = 14,
969 IEEE80211_STATUS_CHALLENGE = 15,
970 IEEE80211_STATUS_TIMEOUT = 16,
971 IEEE80211_STATUS_TOOMANY = 17,
972 IEEE80211_STATUS_BASIC_RATE = 18,
973 IEEE80211_STATUS_SP_REQUIRED = 19, /* 11b */
974 IEEE80211_STATUS_PBCC_REQUIRED = 20, /* 11b */
975 IEEE80211_STATUS_CA_REQUIRED = 21, /* 11b */
976 IEEE80211_STATUS_SPECMGMT_REQUIRED = 22, /* 11h */
977 IEEE80211_STATUS_PWRCAP_REQUIRED = 23, /* 11h */
978 IEEE80211_STATUS_SUPCHAN_REQUIRED = 24, /* 11h */
979 IEEE80211_STATUS_SHORTSLOT_REQUIRED = 25, /* 11g */
980 IEEE80211_STATUS_DSSSOFDM_REQUIRED = 26, /* 11g */
981 IEEE80211_STATUS_MISSING_HT_CAPS = 27, /* 11n D3.0 */
982 IEEE80211_STATUS_INVALID_IE = 40, /* 11i */
983 IEEE80211_STATUS_GROUP_CIPHER_INVALID = 41, /* 11i */
984 IEEE80211_STATUS_PAIRWISE_CIPHER_INVALID = 42, /* 11i */
985 IEEE80211_STATUS_AKMP_INVALID = 43, /* 11i */
986 IEEE80211_STATUS_UNSUPP_RSN_IE_VERSION = 44, /* 11i */
987 IEEE80211_STATUS_INVALID_RSN_IE_CAP = 45, /* 11i */
988 IEEE80211_STATUS_CIPHER_SUITE_REJECTED = 46, /* 11i */
991 #define IEEE80211_WEP_KEYLEN 5 /* 40bit */
992 #define IEEE80211_WEP_IVLEN 3 /* 24bit */
993 #define IEEE80211_WEP_KIDLEN 1 /* 1 octet */
994 #define IEEE80211_WEP_CRCLEN 4 /* CRC-32 */
995 #define IEEE80211_WEP_TOTLEN (IEEE80211_WEP_IVLEN + \
996 IEEE80211_WEP_KIDLEN + \
997 IEEE80211_WEP_CRCLEN)
998 #define IEEE80211_WEP_NKID 4 /* number of key ids */
1001 * 802.11i defines an extended IV for use with non-WEP ciphers.
1002 * When the EXTIV bit is set in the key id byte an additional
1003 * 4 bytes immediately follow the IV for TKIP. For CCMP the
1004 * EXTIV bit is likewise set but the 8 bytes represent the
1005 * CCMP header rather than IV+extended-IV.
1007 #define IEEE80211_WEP_EXTIV 0x20
1008 #define IEEE80211_WEP_EXTIVLEN 4 /* extended IV length */
1009 #define IEEE80211_WEP_MICLEN 8 /* trailing MIC */
1011 #define IEEE80211_CRC_LEN 4
1014 * Maximum acceptable MTU is:
1015 * IEEE80211_MAX_LEN - WEP overhead - CRC -
1016 * QoS overhead - RSN/WPA overhead
1017 * Min is arbitrarily chosen > IEEE80211_MIN_LEN. The default
1018 * mtu is Ethernet-compatible; it's set by ether_ifattach.
1020 #define IEEE80211_MTU_MAX 2290
1021 #define IEEE80211_MTU_MIN 32
1023 #define IEEE80211_MAX_LEN (2300 + IEEE80211_CRC_LEN + \
1024 (IEEE80211_WEP_IVLEN + IEEE80211_WEP_KIDLEN + IEEE80211_WEP_CRCLEN))
1025 #define IEEE80211_ACK_LEN \
1026 (sizeof(struct ieee80211_frame_ack) + IEEE80211_CRC_LEN)
1027 #define IEEE80211_MIN_LEN \
1028 (sizeof(struct ieee80211_frame_min) + IEEE80211_CRC_LEN)
1031 * The 802.11 spec says at most 2007 stations may be
1032 * associated at once. For most AP's this is way more
1033 * than is feasible so we use a default of IEEE80211_AID_DEF.
1034 * This number may be overridden by the driver and/or by
1035 * user configuration but may not be less than IEEE80211_AID_MIN
1036 * (see _ieee80211.h for implementation-specific settings).
1038 #define IEEE80211_AID_MAX 2007
1040 #define IEEE80211_AID(b) ((b) &~ 0xc000)
1043 * RTS frame length parameters. The default is specified in
1044 * the 802.11 spec as 512; we treat it as implementation-dependent
1045 * so it's defined in ieee80211_var.h. The max may be wrong
1048 #define IEEE80211_RTS_MIN 1
1049 #define IEEE80211_RTS_MAX 2346
1052 * TX fragmentation parameters. As above for RTS, we treat
1053 * default as implementation-dependent so define it elsewhere.
1055 #define IEEE80211_FRAG_MIN 256
1056 #define IEEE80211_FRAG_MAX 2346
1059 * Beacon interval (TU's). Min+max come from WiFi requirements.
1060 * As above, we treat default as implementation-dependent so
1061 * define it elsewhere.
1063 #define IEEE80211_BINTVAL_MAX 1000 /* max beacon interval (TU's) */
1064 #define IEEE80211_BINTVAL_MIN 25 /* min beacon interval (TU's) */
1067 * DTIM period (beacons). Min+max are not really defined
1068 * by the protocol but we want them publicly visible so
1071 #define IEEE80211_DTIM_MAX 15 /* max DTIM period */
1072 #define IEEE80211_DTIM_MIN 1 /* min DTIM period */
1075 * Beacon miss threshold (beacons). As for DTIM, we define
1076 * them here to be publicly visible. Note the max may be
1077 * clamped depending on device capabilities.
1079 #define IEEE80211_HWBMISS_MIN 1
1080 #define IEEE80211_HWBMISS_MAX 255
1083 * 802.11 frame duration definitions.
1086 struct ieee80211_duration {
1088 uint16_t d_data_dur;
1089 uint16_t d_plcp_len;
1090 uint8_t d_residue; /* unused octets in time slot */
1093 /* One Time Unit (TU) is 1Kus = 1024 microseconds. */
1094 #define IEEE80211_DUR_TU 1024
1096 /* IEEE 802.11b durations for DSSS PHY in microseconds */
1097 #define IEEE80211_DUR_DS_LONG_PREAMBLE 144
1098 #define IEEE80211_DUR_DS_SHORT_PREAMBLE 72
1100 #define IEEE80211_DUR_DS_SLOW_PLCPHDR 48
1101 #define IEEE80211_DUR_DS_FAST_PLCPHDR 24
1102 #define IEEE80211_DUR_DS_SLOW_ACK 112
1103 #define IEEE80211_DUR_DS_FAST_ACK 56
1104 #define IEEE80211_DUR_DS_SLOW_CTS 112
1105 #define IEEE80211_DUR_DS_FAST_CTS 56
1107 #define IEEE80211_DUR_DS_SLOT 20
1108 #define IEEE80211_DUR_DS_SIFS 10
1109 #define IEEE80211_DUR_DS_PIFS (IEEE80211_DUR_DS_SIFS + IEEE80211_DUR_DS_SLOT)
1110 #define IEEE80211_DUR_DS_DIFS (IEEE80211_DUR_DS_SIFS + \
1111 2 * IEEE80211_DUR_DS_SLOT)
1112 #define IEEE80211_DUR_DS_EIFS (IEEE80211_DUR_DS_SIFS + \
1113 IEEE80211_DUR_DS_SLOW_ACK + \
1114 IEEE80211_DUR_DS_LONG_PREAMBLE + \
1115 IEEE80211_DUR_DS_SLOW_PLCPHDR + \
1118 #endif /* _NET80211_IEEE80211_H_ */