2 * Copyright (c) 2001 Atsushi Onoe
3 * Copyright (c) 2002-2007 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 /* IEEE 802.11 PLCP header */
40 struct ieee80211_plcp_hdr {
48 #define IEEE80211_PLCP_SFD 0xF3A0
49 #define IEEE80211_PLCP_SERVICE 0x00
52 * generic definitions for IEEE 802.11 frames
54 struct ieee80211_frame {
57 uint8_t i_addr1[IEEE80211_ADDR_LEN];
58 uint8_t i_addr2[IEEE80211_ADDR_LEN];
59 uint8_t i_addr3[IEEE80211_ADDR_LEN];
61 /* possibly followed by addr4[IEEE80211_ADDR_LEN]; */
65 struct ieee80211_qosframe {
68 uint8_t i_addr1[IEEE80211_ADDR_LEN];
69 uint8_t i_addr2[IEEE80211_ADDR_LEN];
70 uint8_t i_addr3[IEEE80211_ADDR_LEN];
73 /* possibly followed by addr4[IEEE80211_ADDR_LEN]; */
77 struct ieee80211_qoscntl {
81 struct ieee80211_frame_addr4 {
84 uint8_t i_addr1[IEEE80211_ADDR_LEN];
85 uint8_t i_addr2[IEEE80211_ADDR_LEN];
86 uint8_t i_addr3[IEEE80211_ADDR_LEN];
88 uint8_t i_addr4[IEEE80211_ADDR_LEN];
92 struct ieee80211_qosframe_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 #define IEEE80211_FC0_VERSION_MASK 0x03
104 #define IEEE80211_FC0_VERSION_SHIFT 0
105 #define IEEE80211_FC0_VERSION_0 0x00
106 #define IEEE80211_FC0_TYPE_MASK 0x0c
107 #define IEEE80211_FC0_TYPE_SHIFT 2
108 #define IEEE80211_FC0_TYPE_MGT 0x00
109 #define IEEE80211_FC0_TYPE_CTL 0x04
110 #define IEEE80211_FC0_TYPE_DATA 0x08
112 #define IEEE80211_FC0_SUBTYPE_MASK 0xf0
113 #define IEEE80211_FC0_SUBTYPE_SHIFT 4
115 #define IEEE80211_FC0_SUBTYPE_ASSOC_REQ 0x00
116 #define IEEE80211_FC0_SUBTYPE_ASSOC_RESP 0x10
117 #define IEEE80211_FC0_SUBTYPE_REASSOC_REQ 0x20
118 #define IEEE80211_FC0_SUBTYPE_REASSOC_RESP 0x30
119 #define IEEE80211_FC0_SUBTYPE_PROBE_REQ 0x40
120 #define IEEE80211_FC0_SUBTYPE_PROBE_RESP 0x50
121 #define IEEE80211_FC0_SUBTYPE_BEACON 0x80
122 #define IEEE80211_FC0_SUBTYPE_ATIM 0x90
123 #define IEEE80211_FC0_SUBTYPE_DISASSOC 0xa0
124 #define IEEE80211_FC0_SUBTYPE_AUTH 0xb0
125 #define IEEE80211_FC0_SUBTYPE_DEAUTH 0xc0
126 #define IEEE80211_FC0_SUBTYPE_ACTION 0xd0
128 #define IEEE80211_FC0_SUBTYPE_BAR 0x80
129 #define IEEE80211_FC0_SUBTYPE_PS_POLL 0xa0
130 #define IEEE80211_FC0_SUBTYPE_RTS 0xb0
131 #define IEEE80211_FC0_SUBTYPE_CTS 0xc0
132 #define IEEE80211_FC0_SUBTYPE_ACK 0xd0
133 #define IEEE80211_FC0_SUBTYPE_CF_END 0xe0
134 #define IEEE80211_FC0_SUBTYPE_CF_END_ACK 0xf0
135 /* for TYPE_DATA (bit combination) */
136 #define IEEE80211_FC0_SUBTYPE_DATA 0x00
137 #define IEEE80211_FC0_SUBTYPE_CF_ACK 0x10
138 #define IEEE80211_FC0_SUBTYPE_CF_POLL 0x20
139 #define IEEE80211_FC0_SUBTYPE_CF_ACPL 0x30
140 #define IEEE80211_FC0_SUBTYPE_NODATA 0x40
141 #define IEEE80211_FC0_SUBTYPE_CFACK 0x50
142 #define IEEE80211_FC0_SUBTYPE_CFPOLL 0x60
143 #define IEEE80211_FC0_SUBTYPE_CF_ACK_CF_ACK 0x70
144 #define IEEE80211_FC0_SUBTYPE_QOS 0x80
145 #define IEEE80211_FC0_SUBTYPE_QOS_NULL 0xc0
147 #define IEEE80211_FC1_DIR_MASK 0x03
148 #define IEEE80211_FC1_DIR_NODS 0x00 /* STA->STA */
149 #define IEEE80211_FC1_DIR_TODS 0x01 /* STA->AP */
150 #define IEEE80211_FC1_DIR_FROMDS 0x02 /* AP ->STA */
151 #define IEEE80211_FC1_DIR_DSTODS 0x03 /* AP ->AP */
153 #define IEEE80211_FC1_MORE_FRAG 0x04
154 #define IEEE80211_FC1_RETRY 0x08
155 #define IEEE80211_FC1_PWR_MGT 0x10
156 #define IEEE80211_FC1_MORE_DATA 0x20
157 #define IEEE80211_FC1_WEP 0x40
158 #define IEEE80211_FC1_ORDER 0x80
160 #define IEEE80211_SEQ_FRAG_MASK 0x000f
161 #define IEEE80211_SEQ_FRAG_SHIFT 0
162 #define IEEE80211_SEQ_SEQ_MASK 0xfff0
163 #define IEEE80211_SEQ_SEQ_SHIFT 4
164 #define IEEE80211_SEQ_RANGE 4096
166 #define IEEE80211_SEQ_ADD(seq, incr) \
167 (((seq) + (incr)) & (IEEE80211_SEQ_RANGE-1))
168 #define IEEE80211_SEQ_INC(seq) IEEE80211_SEQ_ADD(seq,1)
169 #define IEEE80211_SEQ_SUB(a, b) \
170 (((a) + IEEE80211_SEQ_RANGE - (b)) & (IEEE80211_SEQ_RANGE-1))
172 #define IEEE80211_SEQ_BA_RANGE 2048 /* 2^11 */
173 #define IEEE80211_SEQ_BA_BEFORE(a, b) \
174 (IEEE80211_SEQ_SUB(b, a+1) < IEEE80211_SEQ_BA_RANGE-1)
176 #define IEEE80211_NWID_LEN 32
178 #define IEEE80211_QOS_TXOP 0x00ff
179 /* bit 8 is reserved */
180 #define IEEE80211_QOS_AMSDU 0x80
181 #define IEEE80211_QOS_AMSDU_S 7
182 #define IEEE80211_QOS_ACKPOLICY 0x60
183 #define IEEE80211_QOS_ACKPOLICY_S 5
184 #define IEEE80211_QOS_ACKPOLICY_NOACK 0x20 /* No ACK required */
185 #define IEEE80211_QOS_ACKPOLICY_BA 0x60 /* Block ACK */
186 #define IEEE80211_QOS_ESOP 0x10
187 #define IEEE80211_QOS_ESOP_S 4
188 #define IEEE80211_QOS_TID 0x0f
190 /* does frame have QoS sequence control data */
191 #define IEEE80211_QOS_HAS_SEQ(wh) \
193 (IEEE80211_FC0_TYPE_MASK | IEEE80211_FC0_SUBTYPE_QOS)) == \
194 (IEEE80211_FC0_TYPE_DATA | IEEE80211_FC0_SUBTYPE_QOS))
197 * WME/802.11e information element.
199 struct ieee80211_wme_info {
200 uint8_t wme_id; /* IEEE80211_ELEMID_VENDOR */
201 uint8_t wme_len; /* length in bytes */
202 uint8_t wme_oui[3]; /* 0x00, 0x50, 0xf2 */
203 uint8_t wme_type; /* OUI type */
204 uint8_t wme_subtype; /* OUI subtype */
205 uint8_t wme_version; /* spec revision */
206 uint8_t wme_info; /* QoS info */
210 * WME/802.11e Tspec Element
212 struct ieee80211_wme_tspec {
217 uint8_t ts_oui_subtype;
219 uint8_t ts_tsinfo[3];
220 uint8_t ts_nom_msdu[2];
221 uint8_t ts_max_msdu[2];
222 uint8_t ts_min_svc[4];
223 uint8_t ts_max_svc[4];
224 uint8_t ts_inactv_intv[4];
225 uint8_t ts_susp_intv[4];
226 uint8_t ts_start_svc[4];
227 uint8_t ts_min_rate[4];
228 uint8_t ts_mean_rate[4];
229 uint8_t ts_max_burst[4];
230 uint8_t ts_min_phy[4];
231 uint8_t ts_peak_rate[4];
233 uint8_t ts_surplus[2];
234 uint8_t ts_medium_time[2];
238 * WME AC parameter field
240 struct ieee80211_wme_acparams {
241 uint8_t acp_aci_aifsn;
242 uint8_t acp_logcwminmax;
246 #define WME_NUM_AC 4 /* 4 AC categories */
247 #define WME_NUM_TID 16 /* 16 tids */
249 #define WME_PARAM_ACI 0x60 /* Mask for ACI field */
250 #define WME_PARAM_ACI_S 5 /* Shift for ACI field */
251 #define WME_PARAM_ACM 0x10 /* Mask for ACM bit */
252 #define WME_PARAM_ACM_S 4 /* Shift for ACM bit */
253 #define WME_PARAM_AIFSN 0x0f /* Mask for aifsn field */
254 #define WME_PARAM_AIFSN_S 0 /* Shift for aifsn field */
255 #define WME_PARAM_LOGCWMIN 0x0f /* Mask for CwMin field (in log) */
256 #define WME_PARAM_LOGCWMIN_S 0 /* Shift for CwMin field */
257 #define WME_PARAM_LOGCWMAX 0xf0 /* Mask for CwMax field (in log) */
258 #define WME_PARAM_LOGCWMAX_S 4 /* Shift for CwMax field */
260 #define WME_AC_TO_TID(_ac) ( \
261 ((_ac) == WME_AC_VO) ? 6 : \
262 ((_ac) == WME_AC_VI) ? 5 : \
263 ((_ac) == WME_AC_BK) ? 1 : \
266 #define TID_TO_WME_AC(_tid) ( \
267 ((_tid) == 0 || (_tid) == 3) ? WME_AC_BE : \
268 ((_tid) < 3) ? WME_AC_BK : \
269 ((_tid) < 6) ? WME_AC_VI : \
273 * WME Parameter Element
275 struct ieee80211_wme_param {
278 uint8_t param_oui[3];
279 uint8_t param_oui_type;
280 uint8_t param_oui_subtype;
281 uint8_t param_version;
282 uint8_t param_qosInfo;
283 #define WME_QOSINFO_COUNT 0x0f /* Mask for param count field */
284 uint8_t param_reserved;
285 struct ieee80211_wme_acparams params_acParams[WME_NUM_AC];
289 * Management Notification Frame
291 struct ieee80211_mnf {
292 uint8_t mnf_category;
297 #define MNF_SETUP_REQ 0
298 #define MNF_SETUP_RESP 1
299 #define MNF_TEARDOWN 2
302 * 802.11n Management Action Frames
304 /* generic frame format */
305 struct ieee80211_action {
310 #define IEEE80211_ACTION_CAT_QOS 0 /* QoS */
311 #define IEEE80211_ACTION_CAT_BA 3 /* BA */
312 #define IEEE80211_ACTION_CAT_HT 7 /* HT */
314 #define IEEE80211_ACTION_HT_TXCHWIDTH 0 /* recommended xmit chan width*/
315 #define IEEE80211_ACTION_HT_MIMOPWRSAVE 1 /* MIMO power save */
317 /* HT - recommended transmission channel width */
318 struct ieee80211_action_ht_txchwidth {
319 struct ieee80211_action at_header;
323 #define IEEE80211_A_HT_TXCHWIDTH_20 0
324 #define IEEE80211_A_HT_TXCHWIDTH_2040 1
326 /* HT - MIMO Power Save (NB: D2.04) */
327 struct ieee80211_action_ht_mimopowersave {
328 struct ieee80211_action am_header;
332 #define IEEE80211_A_HT_MIMOPWRSAVE_ENA 0x01 /* PS enabled */
333 #define IEEE80211_A_HT_MIMOPWRSAVE_MODE 0x02
334 #define IEEE80211_A_HT_MIMOPWRSAVE_MODE_S 1
335 #define IEEE80211_A_HT_MIMOPWRSAVE_DYNAMIC 0x02 /* Dynamic Mode */
336 #define IEEE80211_A_HT_MIMOPWRSAVE_STATIC 0x00 /* no SM packets */
337 /* bits 2-7 reserved */
339 /* Block Ack actions */
340 #define IEEE80211_ACTION_BA_ADDBA_REQUEST 0 /* ADDBA request */
341 #define IEEE80211_ACTION_BA_ADDBA_RESPONSE 1 /* ADDBA response */
342 #define IEEE80211_ACTION_BA_DELBA 2 /* DELBA */
344 /* Block Ack Parameter Set */
345 #define IEEE80211_BAPS_BUFSIZ 0xffc0 /* buffer size */
346 #define IEEE80211_BAPS_BUFSIZ_S 6
347 #define IEEE80211_BAPS_TID 0x003c /* TID */
348 #define IEEE80211_BAPS_TID_S 2
349 #define IEEE80211_BAPS_POLICY 0x0002 /* block ack policy */
350 #define IEEE80211_BAPS_POLICY_S 1
352 #define IEEE80211_BAPS_POLICY_DELAYED (0<<IEEE80211_BAPS_POLICY_S)
353 #define IEEE80211_BAPS_POLICY_IMMEDIATE (1<<IEEE80211_BAPS_POLICY_S)
355 /* Block Ack Sequence Control */
356 #define IEEE80211_BASEQ_START 0xfff0 /* starting seqnum */
357 #define IEEE80211_BASEQ_START_S 4
358 #define IEEE80211_BASEQ_FRAG 0x000f /* fragment number */
359 #define IEEE80211_BASEQ_FRAG_S 0
361 /* Delayed Block Ack Parameter Set */
362 #define IEEE80211_DELBAPS_TID 0xf000 /* TID */
363 #define IEEE80211_DELBAPS_TID_S 12
364 #define IEEE80211_DELBAPS_INIT 0x0800 /* initiator */
365 #define IEEE80211_DELBAPS_INIT_S 11
367 /* BA - ADDBA request */
368 struct ieee80211_action_ba_addbarequest {
369 struct ieee80211_action rq_header;
370 uint8_t rq_dialogtoken;
371 uint16_t rq_baparamset;
372 uint16_t rq_batimeout; /* in TUs */
373 uint16_t rq_baseqctl;
376 /* BA - ADDBA response */
377 struct ieee80211_action_ba_addbaresponse {
378 struct ieee80211_action rs_header;
379 uint8_t rs_dialogtoken;
380 uint16_t rs_statuscode;
381 uint16_t rs_baparamset;
382 uint16_t rs_batimeout; /* in TUs */
386 struct ieee80211_action_ba_delba {
387 struct ieee80211_action dl_header;
388 uint16_t dl_baparamset;
389 uint16_t dl_reasoncode;
393 #define IEEE80211_BAR_TID 0xf000 /* TID */
394 #define IEEE80211_BAR_TID_S 12
395 #define IEEE80211_BAR_COMP 0x0004 /* compressed */
396 #define IEEE80211_BAR_MTID 0x0002
397 #define IEEE80211_BAR_NOACK 0x0001 /* no-ack policy */
399 struct ieee80211_ba_request {
401 uint16_t rq_barseqctl;
407 struct ieee80211_frame_min {
410 uint8_t i_addr1[IEEE80211_ADDR_LEN];
411 uint8_t i_addr2[IEEE80211_ADDR_LEN];
415 struct ieee80211_frame_rts {
418 uint8_t i_ra[IEEE80211_ADDR_LEN];
419 uint8_t i_ta[IEEE80211_ADDR_LEN];
423 struct ieee80211_frame_cts {
426 uint8_t i_ra[IEEE80211_ADDR_LEN];
430 struct ieee80211_frame_ack {
433 uint8_t i_ra[IEEE80211_ADDR_LEN];
437 struct ieee80211_frame_pspoll {
440 uint8_t i_bssid[IEEE80211_ADDR_LEN];
441 uint8_t i_ta[IEEE80211_ADDR_LEN];
445 struct ieee80211_frame_cfend { /* NB: also CF-End+CF-Ack */
447 uint8_t i_dur[2]; /* should be zero */
448 uint8_t i_ra[IEEE80211_ADDR_LEN];
449 uint8_t i_bssid[IEEE80211_ADDR_LEN];
453 struct ieee80211_frame_bar {
456 uint8_t i_ra[IEEE80211_ADDR_LEN];
457 uint8_t i_ta[IEEE80211_ADDR_LEN];
464 * BEACON management packets
467 * octet beacon interval[2]
468 * octet capability information[2]
469 * information element
472 * octet information[length]
475 #define IEEE80211_BEACON_INTERVAL(beacon) \
476 ((beacon)[8] | ((beacon)[9] << 8))
477 #define IEEE80211_BEACON_CAPABILITY(beacon) \
478 ((beacon)[10] | ((beacon)[11] << 8))
480 #define IEEE80211_CAPINFO_ESS 0x0001
481 #define IEEE80211_CAPINFO_IBSS 0x0002
482 #define IEEE80211_CAPINFO_CF_POLLABLE 0x0004
483 #define IEEE80211_CAPINFO_CF_POLLREQ 0x0008
484 #define IEEE80211_CAPINFO_PRIVACY 0x0010
485 #define IEEE80211_CAPINFO_SHORT_PREAMBLE 0x0020
486 #define IEEE80211_CAPINFO_PBCC 0x0040
487 #define IEEE80211_CAPINFO_CHNL_AGILITY 0x0080
488 #define IEEE80211_CAPINFO_SPECTRUM_MGMT 0x0100
489 /* bit 9 is reserved */
490 #define IEEE80211_CAPINFO_SHORT_SLOTTIME 0x0400
491 #define IEEE80211_CAPINFO_RSN 0x0800
492 /* bit 12 is reserved */
493 #define IEEE80211_CAPINFO_DSSSOFDM 0x2000
494 /* bits 14-15 are reserved */
497 * 802.11i/WPA information element (maximally sized).
499 struct ieee80211_ie_wpa {
500 uint8_t wpa_id; /* IEEE80211_ELEMID_VENDOR */
501 uint8_t wpa_len; /* length in bytes */
502 uint8_t wpa_oui[3]; /* 0x00, 0x50, 0xf2 */
503 uint8_t wpa_type; /* OUI type */
504 uint16_t wpa_version; /* spec revision */
505 uint32_t wpa_mcipher[1]; /* multicast/group key cipher */
506 uint16_t wpa_uciphercnt; /* # pairwise key ciphers */
507 uint32_t wpa_uciphers[8];/* ciphers */
508 uint16_t wpa_authselcnt; /* authentication selector cnt*/
509 uint32_t wpa_authsels[8];/* selectors */
510 uint16_t wpa_caps; /* 802.11i capabilities */
511 uint16_t wpa_pmkidcnt; /* 802.11i pmkid count */
512 uint16_t wpa_pmkids[8]; /* 802.11i pmkids */
516 * 802.11n HT Capability IE
517 * NB: these reflect D1.10
519 struct ieee80211_ie_htcap {
520 uint8_t hc_id; /* element ID */
521 uint8_t hc_len; /* length in bytes */
522 uint16_t hc_cap; /* HT caps (see below) */
523 uint8_t hc_param; /* HT params (see below) */
524 uint8_t hc_mcsset[16]; /* supported MCS set */
525 uint16_t hc_extcap; /* extended HT capabilities */
526 uint32_t hc_txbf; /* txbf capabilities */
527 uint8_t hc_antenna; /* antenna capabilities */
530 /* HT capability flags (ht_cap) */
531 #define IEEE80211_HTCAP_LDPC 0x0001 /* LDPC supported */
532 #define IEEE80211_HTCAP_CHWIDTH40 0x0002 /* 20/40 supported */
533 #define IEEE80211_HTCAP_SMPS 0x000c /* SM Power Save mode */
534 #define IEEE80211_HTCAP_SMPS_OFF 0x0000 /* none (static mode) */
535 #define IEEE80211_HTCAP_SMPS_DYNAMIC 0x0004 /* send RTS first */
536 /* NB: SMPS value 2 is reserved */
537 #define IEEE80211_HTCAP_SMPS_ENA 0x000c /* enabled */
538 #define IEEE80211_HTCAP_GREENFIELD 0x0010 /* Greenfield supported */
539 #define IEEE80211_HTCAP_SHORTGI20 0x0020 /* Short GI in 20MHz */
540 #define IEEE80211_HTCAP_SHORTGI40 0x0040 /* Short GI in 40MHz */
541 #define IEEE80211_HTCAP_TXSTBC 0x0080 /* STBC tx ok */
542 #define IEEE80211_HTCAP_RXSTBC 0x0300 /* STBC rx support */
543 #define IEEE80211_HTCAP_RXSTBC_S 8
544 #define IEEE80211_HTCAP_RXSTBC_1STREAM 0x0100 /* 1 spatial stream */
545 #define IEEE80211_HTCAP_RXSTBC_2STREAM 0x0200 /* 1-2 spatial streams*/
546 #define IEEE80211_HTCAP_RXSTBC_3STREAM 0x0300 /* 1-3 spatial streams*/
547 #define IEEE80211_HTCAP_DELBA 0x0400 /* HT DELBA supported */
548 #define IEEE80211_HTCAP_MAXAMSDU 0x0800 /* max A-MSDU length */
549 #define IEEE80211_HTCAP_MAXAMSDU_7935 0x0800 /* 7935 octets */
550 #define IEEE80211_HTCAP_MAXAMSDU_3839 0x0000 /* 3839 octets */
551 #define IEEE80211_HTCAP_DSSSCCK40 0x1000 /* DSSS/CCK in 40MHz */
552 #define IEEE80211_HTCAP_PSMP 0x2000 /* PSMP supported */
553 #define IEEE80211_HTCAP_40INTOLERANT 0x4000 /* 40MHz intolerant */
554 #define IEEE80211_HTCAP_LSIGTXOPPROT 0x8000 /* L-SIG TXOP prot */
556 /* HT parameters (hc_param) */
557 #define IEEE80211_HTCAP_MAXRXAMPDU 0x03 /* max rx A-MPDU factor */
558 #define IEEE80211_HTCAP_MAXRXAMPDU_S 0
559 #define IEEE80211_HTCAP_MAXRXAMPDU_8K 0
560 #define IEEE80211_HTCAP_MAXRXAMPDU_16K 1
561 #define IEEE80211_HTCAP_MAXRXAMPDU_32K 2
562 #define IEEE80211_HTCAP_MAXRXAMPDU_64K 3
563 #define IEEE80211_HTCAP_MPDUDENSITY 0x1c /* min MPDU start spacing */
564 #define IEEE80211_HTCAP_MPDUDENSITY_S 2
565 #define IEEE80211_HTCAP_MPDUDENSITY_NA 0 /* no time restriction */
566 #define IEEE80211_HTCAP_MPDUDENSITY_025 1 /* 1/4 us */
567 #define IEEE80211_HTCAP_MPDUDENSITY_05 2 /* 1/2 us */
568 #define IEEE80211_HTCAP_MPDUDENSITY_1 3 /* 1 us */
569 #define IEEE80211_HTCAP_MPDUDENSITY_2 4 /* 2 us */
570 #define IEEE80211_HTCAP_MPDUDENSITY_4 5 /* 4 us */
571 #define IEEE80211_HTCAP_MPDUDENSITY_8 6 /* 8 us */
572 #define IEEE80211_HTCAP_MPDUDENSITY_16 7 /* 16 us */
574 /* HT extended capabilities (hc_extcap) */
575 #define IEEE80211_HTCAP_PCO 0x0001 /* PCO capable */
576 #define IEEE80211_HTCAP_PCOTRANS 0x0006 /* PCO transition time */
577 #define IEEE80211_HTCAP_PCOTRANS_S 1
578 #define IEEE80211_HTCAP_PCOTRANS_04 0x0002 /* 400 us */
579 #define IEEE80211_HTCAP_PCOTRANS_15 0x0004 /* 1.5 ms */
580 #define IEEE80211_HTCAP_PCOTRANS_5 0x0006 /* 5 ms */
581 /* bits 3-7 reserved */
582 #define IEEE80211_HTCAP_MCSFBACK 0x0300 /* MCS feedback */
583 #define IEEE80211_HTCAP_MCSFBACK_S 8
584 #define IEEE80211_HTCAP_MCSFBACK_NONE 0x0000 /* nothing provided */
585 #define IEEE80211_HTCAP_MCSFBACK_UNSOL 0x0200 /* unsolicited feedback */
586 #define IEEE80211_HTCAP_MCSFBACK_MRQ 0x0300 /* " "+respond to MRQ */
587 #define IEEE80211_HTCAP_HTC 0x0400 /* +HTC support */
588 #define IEEE80211_HTCAP_RDR 0x0800 /* reverse direction responder*/
589 /* bits 12-15 reserved */
592 * 802.11n HT Information IE
594 struct ieee80211_ie_htinfo {
595 uint8_t hi_id; /* element ID */
596 uint8_t hi_len; /* length in bytes */
597 uint8_t hi_ctrlchannel; /* primary channel */
598 uint8_t hi_byte1; /* ht ie byte 1 */
599 uint8_t hi_byte2; /* ht ie byte 2 */
600 uint8_t hi_byte3; /* ht ie byte 3 */
601 uint16_t hi_byte45; /* ht ie bytes 4+5 */
602 uint8_t hi_basicmcsset[16]; /* basic MCS set */
606 #define IEEE80211_HTINFO_2NDCHAN 0x03 /* secondary/ext chan offset */
607 #define IEEE80211_HTINFO_2NDCHAN_S 0
608 #define IEEE80211_HTINFO_2NDCHAN_NONE 0x00 /* no secondary/ext channel */
609 #define IEEE80211_HTINFO_2NDCHAN_ABOVE 0x01 /* above private channel */
610 /* NB: 2 is reserved */
611 #define IEEE80211_HTINFO_2NDCHAN_BELOW 0x03 /* below primary channel */
612 #define IEEE80211_HTINFO_TXWIDTH 0x04 /* tx channel width */
613 #define IEEE80211_HTINFO_TXWIDTH_20 0x00 /* 20MHz width */
614 #define IEEE80211_HTINFO_TXWIDTH_2040 0x04 /* any supported width */
615 #define IEEE80211_HTINFO_RIFSMODE 0x08 /* Reduced IFS (RIFS) use */
616 #define IEEE80211_HTINFO_RIFSMODE_PROH 0x00 /* RIFS use prohibited */
617 #define IEEE80211_HTINFO_RIFSMODE_PERM 0x08 /* RIFS use permitted */
618 #define IEEE80211_HTINFO_PMSPONLY 0x10 /* PSMP required to associate */
619 #define IEEE80211_HTINFO_SIGRAN 0xe0 /* shortest Service Interval */
620 #define IEEE80211_HTINFO_SIGRAN_S 5
621 #define IEEE80211_HTINFO_SIGRAN_5 0x00 /* 5 ms */
625 #define IEEE80211_HTINFO_OPMODE 0x03 /* operating mode */
626 #define IEEE80211_HTINFO_OPMODE_S 0
627 #define IEEE80211_HTINFO_OPMODE_PURE 0x00 /* no protection */
628 #define IEEE80211_HTINFO_OPMODE_PROTOPT 0x01 /* protection optional */
629 #define IEEE80211_HTINFO_OPMODE_HT20PR 0x02 /* protection for HT20 sta's */
630 #define IEEE80211_HTINFO_OPMODE_MIXED 0x03 /* protection for legacy sta's*/
631 #define IEEE80211_HTINFO_NONGF_PRESENT 0x04 /* non-GF sta's present */
632 #define IEEE80211_HTINFO_TXBL 0x08 /* transmit burst limit */
633 #define IEEE80211_HTINFO_NONHT_PRESENT 0x10 /* non-HT sta's present */
634 /* bits 5-15 reserved */
637 #define IEEE80211_HTINFO_2NDARYBEACON 0x01
638 #define IEEE80211_HTINFO_LSIGTXOPPROT 0x02
639 #define IEEE80211_HTINFO_PCO_ACTIVE 0x04
640 #define IEEE80211_HTINFO_40MHZPHASE 0x08
643 #define IEEE80211_HTINFO_BASIC_STBCMCS 0x7f
644 #define IEEE80211_HTINFO_BASIC_STBCMCS_S 0
645 #define IEEE80211_HTINFO_DUALPROTECTED 0x80
648 * Management information element payloads.
652 IEEE80211_ELEMID_SSID = 0,
653 IEEE80211_ELEMID_RATES = 1,
654 IEEE80211_ELEMID_FHPARMS = 2,
655 IEEE80211_ELEMID_DSPARMS = 3,
656 IEEE80211_ELEMID_CFPARMS = 4,
657 IEEE80211_ELEMID_TIM = 5,
658 IEEE80211_ELEMID_IBSSPARMS = 6,
659 IEEE80211_ELEMID_COUNTRY = 7,
660 IEEE80211_ELEMID_CHALLENGE = 16,
661 /* 17-31 reserved for challenge text extension */
662 IEEE80211_ELEMID_PWRCNSTR = 32,
663 IEEE80211_ELEMID_PWRCAP = 33,
664 IEEE80211_ELEMID_TPCREQ = 34,
665 IEEE80211_ELEMID_TPCREP = 35,
666 IEEE80211_ELEMID_SUPPCHAN = 36,
667 IEEE80211_ELEMID_CHANSWITCHANN = 37,
668 IEEE80211_ELEMID_MEASREQ = 38,
669 IEEE80211_ELEMID_MEASREP = 39,
670 IEEE80211_ELEMID_QUIET = 40,
671 IEEE80211_ELEMID_IBSSDFS = 41,
672 IEEE80211_ELEMID_ERP = 42,
673 IEEE80211_ELEMID_HTCAP = 45,
674 IEEE80211_ELEMID_RSN = 48,
675 IEEE80211_ELEMID_XRATES = 50,
676 IEEE80211_ELEMID_HTINFO = 61,
677 IEEE80211_ELEMID_TPC = 150,
678 IEEE80211_ELEMID_CCKM = 156,
679 IEEE80211_ELEMID_VENDOR = 221, /* vendor private */
682 struct ieee80211_tim_ie {
683 uint8_t tim_ie; /* IEEE80211_ELEMID_TIM */
685 uint8_t tim_count; /* DTIM count */
686 uint8_t tim_period; /* DTIM period */
687 uint8_t tim_bitctl; /* bitmap control */
688 uint8_t tim_bitmap[1]; /* variable-length bitmap */
691 struct ieee80211_country_ie {
692 uint8_t ie; /* IEEE80211_ELEMID_COUNTRY */
694 uint8_t cc[3]; /* ISO CC+(I)ndoor/(O)utdoor */
696 uint8_t schan; /* starting channel */
697 uint8_t nchan; /* number channels */
698 uint8_t maxtxpwr; /* tx power cap */
699 } __packed band[10]; /* sub bands */
703 * 802.11h Channel Switch Announcement (CSA).
705 struct ieee80211_csa_ie {
706 uint8_t csa_ie; /* IEEE80211_ELEMID_CHANSWITCHANN */
708 uint8_t csa_mode; /* Channel Switch Mode */
709 uint8_t csa_newchan; /* New Channel Number */
710 uint8_t csa_count; /* Channel Switch Count */
714 * Atheros advanced capability information element.
716 struct ieee80211_ath_ie {
717 uint8_t ath_id; /* IEEE80211_ELEMID_VENDOR */
718 uint8_t ath_len; /* length in bytes */
719 uint8_t ath_oui[3]; /* 0x00, 0x03, 0x7f */
720 uint8_t ath_oui_type; /* OUI type */
721 uint8_t ath_oui_subtype; /* OUI subtype */
722 uint8_t ath_version; /* spec revision */
723 uint8_t ath_capability; /* capability info */
724 #define ATHEROS_CAP_TURBO_PRIME 0x01 /* dynamic turbo--aka Turbo' */
725 #define ATHEROS_CAP_COMPRESSION 0x02 /* data compression */
726 #define ATHEROS_CAP_FAST_FRAME 0x04 /* fast (jumbo) frames */
727 #define ATHEROS_CAP_XR 0x08 /* Xtended Range support */
728 #define ATHEROS_CAP_AR 0x10 /* Advanded Radar support */
729 #define ATHEROS_CAP_BURST 0x20 /* Bursting - not negotiated */
730 #define ATHEROS_CAP_WME 0x40 /* CWMin tuning */
731 #define ATHEROS_CAP_BOOST 0x80 /* use turbo/!turbo mode */
732 uint8_t ath_defkeyix[2];
735 /* rate set entries are in .5 Mb/s units, and potentially marked as basic */
736 #define IEEE80211_RATE_BASIC 0x80
737 #define IEEE80211_RATE_VAL 0x7f
739 /* EPR information element flags */
740 #define IEEE80211_ERP_NON_ERP_PRESENT 0x01
741 #define IEEE80211_ERP_USE_PROTECTION 0x02
742 #define IEEE80211_ERP_LONG_PREAMBLE 0x04
744 #define ATH_OUI 0x7f0300 /* Atheros OUI */
745 #define ATH_OUI_TYPE 0x01
746 #define ATH_OUI_SUBTYPE 0x01
747 #define ATH_OUI_VERSION 0x00
749 #define BCM_OUI 0x4c9000 /* Broadcom OUI */
750 #define BCM_OUI_HTCAP 51 /* pre-draft HTCAP ie */
751 #define BCM_OUI_HTINFO 52 /* pre-draft HTINFO ie */
753 #define WPA_OUI 0xf25000
754 #define WPA_OUI_TYPE 0x01
755 #define WPA_VERSION 1 /* current supported version */
757 #define WPA_CSE_NULL 0x00
758 #define WPA_CSE_WEP40 0x01
759 #define WPA_CSE_TKIP 0x02
760 #define WPA_CSE_CCMP 0x04
761 #define WPA_CSE_WEP104 0x05
763 #define WPA_ASE_NONE 0x00
764 #define WPA_ASE_8021X_UNSPEC 0x01
765 #define WPA_ASE_8021X_PSK 0x02
767 #define RSN_OUI 0xac0f00
768 #define RSN_VERSION 1 /* current supported version */
770 #define RSN_CSE_NULL 0x00
771 #define RSN_CSE_WEP40 0x01
772 #define RSN_CSE_TKIP 0x02
773 #define RSN_CSE_WRAP 0x03
774 #define RSN_CSE_CCMP 0x04
775 #define RSN_CSE_WEP104 0x05
777 #define RSN_ASE_NONE 0x00
778 #define RSN_ASE_8021X_UNSPEC 0x01
779 #define RSN_ASE_8021X_PSK 0x02
781 #define RSN_CAP_PREAUTH 0x01
783 #define WME_OUI 0xf25000
784 #define WME_OUI_TYPE 0x02
785 #define WME_INFO_OUI_SUBTYPE 0x00
786 #define WME_PARAM_OUI_SUBTYPE 0x01
787 #define WME_VERSION 1
789 /* WME stream classes */
790 #define WME_AC_BE 0 /* best effort */
791 #define WME_AC_BK 1 /* background */
792 #define WME_AC_VI 2 /* video */
793 #define WME_AC_VO 3 /* voice */
796 * AUTH management packets
803 * octet chal.text[253] NB: 1-253 bytes
806 /* challenge length for shared key auth */
807 #define IEEE80211_CHALLENGE_LEN 128
809 #define IEEE80211_AUTH_ALG_OPEN 0x0000
810 #define IEEE80211_AUTH_ALG_SHARED 0x0001
811 #define IEEE80211_AUTH_ALG_LEAP 0x0080
814 IEEE80211_AUTH_OPEN_REQUEST = 1,
815 IEEE80211_AUTH_OPEN_RESPONSE = 2,
819 IEEE80211_AUTH_SHARED_REQUEST = 1,
820 IEEE80211_AUTH_SHARED_CHALLENGE = 2,
821 IEEE80211_AUTH_SHARED_RESPONSE = 3,
822 IEEE80211_AUTH_SHARED_PASS = 4,
826 * Reason and status codes.
828 * Reason codes are used in management frames to indicate why an
829 * action took place (e.g. on disassociation). Status codes are
830 * used in management frames to indicate the result of an operation.
832 * Unlisted codes are reserved
836 IEEE80211_REASON_UNSPECIFIED = 1,
837 IEEE80211_REASON_AUTH_EXPIRE = 2,
838 IEEE80211_REASON_AUTH_LEAVE = 3,
839 IEEE80211_REASON_ASSOC_EXPIRE = 4,
840 IEEE80211_REASON_ASSOC_TOOMANY = 5,
841 IEEE80211_REASON_NOT_AUTHED = 6,
842 IEEE80211_REASON_NOT_ASSOCED = 7,
843 IEEE80211_REASON_ASSOC_LEAVE = 8,
844 IEEE80211_REASON_ASSOC_NOT_AUTHED = 9,
845 IEEE80211_REASON_DISASSOC_PWRCAP_BAD = 10, /* 11h */
846 IEEE80211_REASON_DISASSOC_SUPCHAN_BAD = 11, /* 11h */
847 IEEE80211_REASON_IE_INVALID = 13, /* 11i */
848 IEEE80211_REASON_MIC_FAILURE = 14, /* 11i */
849 IEEE80211_REASON_4WAY_HANDSHAKE_TIMEOUT = 15, /* 11i */
850 IEEE80211_REASON_GROUP_KEY_UPDATE_TIMEOUT = 16, /* 11i */
851 IEEE80211_REASON_IE_IN_4WAY_DIFFERS = 17, /* 11i */
852 IEEE80211_REASON_GROUP_CIPHER_INVALID = 18, /* 11i */
853 IEEE80211_REASON_PAIRWISE_CIPHER_INVALID= 19, /* 11i */
854 IEEE80211_REASON_AKMP_INVALID = 20, /* 11i */
855 IEEE80211_REASON_UNSUPP_RSN_IE_VERSION = 21, /* 11i */
856 IEEE80211_REASON_INVALID_RSN_IE_CAP = 22, /* 11i */
857 IEEE80211_REASON_802_1X_AUTH_FAILED = 23, /* 11i */
858 IEEE80211_REASON_CIPHER_SUITE_REJECTED = 24, /* 11i */
860 IEEE80211_STATUS_SUCCESS = 0,
861 IEEE80211_STATUS_UNSPECIFIED = 1,
862 IEEE80211_STATUS_CAPINFO = 10,
863 IEEE80211_STATUS_NOT_ASSOCED = 11,
864 IEEE80211_STATUS_OTHER = 12,
865 IEEE80211_STATUS_ALG = 13,
866 IEEE80211_STATUS_SEQUENCE = 14,
867 IEEE80211_STATUS_CHALLENGE = 15,
868 IEEE80211_STATUS_TIMEOUT = 16,
869 IEEE80211_STATUS_TOOMANY = 17,
870 IEEE80211_STATUS_BASIC_RATE = 18,
871 IEEE80211_STATUS_SP_REQUIRED = 19, /* 11b */
872 IEEE80211_STATUS_PBCC_REQUIRED = 20, /* 11b */
873 IEEE80211_STATUS_CA_REQUIRED = 21, /* 11b */
874 IEEE80211_STATUS_SPECMGMT_REQUIRED = 22, /* 11h */
875 IEEE80211_STATUS_PWRCAP_REQUIRED = 23, /* 11h */
876 IEEE80211_STATUS_SUPCHAN_REQUIRED = 24, /* 11h */
877 IEEE80211_STATUS_SHORTSLOT_REQUIRED = 25, /* 11g */
878 IEEE80211_STATUS_DSSSOFDM_REQUIRED = 26, /* 11g */
879 IEEE80211_STATUS_INVALID_IE = 40, /* 11i */
880 IEEE80211_STATUS_GROUP_CIPHER_INVALID = 41, /* 11i */
881 IEEE80211_STATUS_PAIRWISE_CIPHER_INVALID = 42, /* 11i */
882 IEEE80211_STATUS_AKMP_INVALID = 43, /* 11i */
883 IEEE80211_STATUS_UNSUPP_RSN_IE_VERSION = 44, /* 11i */
884 IEEE80211_STATUS_INVALID_RSN_IE_CAP = 45, /* 11i */
885 IEEE80211_STATUS_CIPHER_SUITE_REJECTED = 46, /* 11i */
888 #define IEEE80211_WEP_KEYLEN 5 /* 40bit */
889 #define IEEE80211_WEP_IVLEN 3 /* 24bit */
890 #define IEEE80211_WEP_KIDLEN 1 /* 1 octet */
891 #define IEEE80211_WEP_CRCLEN 4 /* CRC-32 */
892 #define IEEE80211_WEP_NKID 4 /* number of key ids */
895 * 802.11i defines an extended IV for use with non-WEP ciphers.
896 * When the EXTIV bit is set in the key id byte an additional
897 * 4 bytes immediately follow the IV for TKIP. For CCMP the
898 * EXTIV bit is likewise set but the 8 bytes represent the
899 * CCMP header rather than IV+extended-IV.
901 #define IEEE80211_WEP_EXTIV 0x20
902 #define IEEE80211_WEP_EXTIVLEN 4 /* extended IV length */
903 #define IEEE80211_WEP_MICLEN 8 /* trailing MIC */
905 #define IEEE80211_CRC_LEN 4
908 * Maximum acceptable MTU is:
909 * IEEE80211_MAX_LEN - WEP overhead - CRC -
910 * QoS overhead - RSN/WPA overhead
911 * Min is arbitrarily chosen > IEEE80211_MIN_LEN. The default
912 * mtu is Ethernet-compatible; it's set by ether_ifattach.
914 #define IEEE80211_MTU_MAX 2290
915 #define IEEE80211_MTU_MIN 32
917 #define IEEE80211_MAX_LEN (2300 + IEEE80211_CRC_LEN + \
918 (IEEE80211_WEP_IVLEN + IEEE80211_WEP_KIDLEN + IEEE80211_WEP_CRCLEN))
919 #define IEEE80211_ACK_LEN \
920 (sizeof(struct ieee80211_frame_ack) + IEEE80211_CRC_LEN)
921 #define IEEE80211_MIN_LEN \
922 (sizeof(struct ieee80211_frame_min) + IEEE80211_CRC_LEN)
925 * The 802.11 spec says at most 2007 stations may be
926 * associated at once. For most AP's this is way more
927 * than is feasible so we use a default of 128. This
928 * number may be overridden by the driver and/or by
929 * user configuration.
931 #define IEEE80211_AID_MAX 2007
932 #define IEEE80211_AID_DEF 128
934 #define IEEE80211_AID(b) ((b) &~ 0xc000)
937 * RTS frame length parameters. The default is specified in
938 * the 802.11 spec as 512; we treat it as implementation-dependent
939 * so it's defined in ieee80211_var.h. The max may be wrong
942 #define IEEE80211_RTS_MIN 1
943 #define IEEE80211_RTS_MAX 2346
946 * TX fragmentation parameters. As above for RTS, we treat
947 * default as implementation-dependent so define it elsewhere.
949 #define IEEE80211_FRAG_MIN 256
950 #define IEEE80211_FRAG_MAX 2346
953 * Beacon interval (TU's). Min+max come from WiFi requirements.
954 * As above, we treat default as implementation-dependent so
955 * define it elsewhere.
957 #define IEEE80211_BINTVAL_MAX 1000 /* max beacon interval (TU's) */
958 #define IEEE80211_BINTVAL_MIN 25 /* min beacon interval (TU's) */
961 * DTIM period (beacons). Min+max are not really defined
962 * by the protocol but we want them publicly visible so
965 #define IEEE80211_DTIM_MAX 15 /* max DTIM period */
966 #define IEEE80211_DTIM_MIN 1 /* min DTIM period */
969 * Beacon miss threshold (beacons). As for DTIM, we define
970 * them here to be publicly visible. Note the max may be
971 * clamped depending on device capabilities.
973 #define IEEE80211_HWBMISS_MIN 1
974 #define IEEE80211_HWBMISS_MAX 255
977 * 802.11 frame duration definitions.
980 struct ieee80211_duration {
984 uint8_t d_residue; /* unused octets in time slot */
987 /* One Time Unit (TU) is 1Kus = 1024 microseconds. */
988 #define IEEE80211_DUR_TU 1024
990 /* IEEE 802.11b durations for DSSS PHY in microseconds */
991 #define IEEE80211_DUR_DS_LONG_PREAMBLE 144
992 #define IEEE80211_DUR_DS_SHORT_PREAMBLE 72
994 #define IEEE80211_DUR_DS_SLOW_PLCPHDR 48
995 #define IEEE80211_DUR_DS_FAST_PLCPHDR 24
996 #define IEEE80211_DUR_DS_SLOW_ACK 112
997 #define IEEE80211_DUR_DS_FAST_ACK 56
998 #define IEEE80211_DUR_DS_SLOW_CTS 112
999 #define IEEE80211_DUR_DS_FAST_CTS 56
1001 #define IEEE80211_DUR_DS_SLOT 20
1002 #define IEEE80211_DUR_DS_SIFS 10
1003 #define IEEE80211_DUR_DS_PIFS (IEEE80211_DUR_DS_SIFS + IEEE80211_DUR_DS_SLOT)
1004 #define IEEE80211_DUR_DS_DIFS (IEEE80211_DUR_DS_SIFS + \
1005 2 * IEEE80211_DUR_DS_SLOT)
1006 #define IEEE80211_DUR_DS_EIFS (IEEE80211_DUR_DS_SIFS + \
1007 IEEE80211_DUR_DS_SLOW_ACK + \
1008 IEEE80211_DUR_DS_LONG_PREAMBLE + \
1009 IEEE80211_DUR_DS_SLOW_PLCPHDR + \
1013 * Atheros fast-frame encapsulation format.
1015 * 802.2 + FFHDR + HPAD + 802.3 + 802.2 + 1500 + SPAD + 802.3 + 802.2 + 1500:
1016 * 8 + 4 + 4 + 14 + 8 + 1500 + 6 + 14 + 8 + 1500
1019 /* fast frame header is 32-bits */
1020 #define ATH_FF_PROTO 0x0000003f /* protocol */
1021 #define ATH_FF_PROTO_S 0
1022 #define ATH_FF_FTYPE 0x000000c0 /* frame type */
1023 #define ATH_FF_FTYPE_S 6
1024 #define ATH_FF_HLEN32 0x00000300 /* optional hdr length */
1025 #define ATH_FF_HLEN32_S 8
1026 #define ATH_FF_SEQNUM 0x001ffc00 /* sequence number */
1027 #define ATH_FF_SEQNUM_S 10
1028 #define ATH_FF_OFFSET 0xffe00000 /* offset to 2nd payload */
1029 #define ATH_FF_OFFSET_S 21
1031 #define ATH_FF_MAX_HDR_PAD 4
1032 #define ATH_FF_MAX_SEP_PAD 6
1033 #define ATH_FF_MAX_HDR 30
1035 #define ATH_FF_PROTO_L2TUNNEL 0 /* L2 tunnel protocol */
1036 #define ATH_FF_ETH_TYPE 0x88bd /* Ether type for encapsulated frames */
1037 #define ATH_FF_SNAP_ORGCODE_0 0x00
1038 #define ATH_FF_SNAP_ORGCODE_1 0x03
1039 #define ATH_FF_SNAP_ORGCODE_2 0x7f
1041 #endif /* _NET80211_IEEE80211_H_ */