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a9de8ce0 JB |
1 | /* |
2 | * IEEE 802.11 defines | |
3 | * | |
4 | * Copyright (c) 2001-2002, SSH Communications Security Corp and Jouni Malinen | |
5 | * <jkmaline@cc.hut.fi> | |
6 | * Copyright (c) 2002-2003, Jouni Malinen <jkmaline@cc.hut.fi> | |
7 | * Copyright (c) 2005, Devicescape Software, Inc. | |
8 | * Copyright (c) 2006, Michael Wu <flamingice@sourmilk.net> | |
9 | * | |
10 | * This program is free software; you can redistribute it and/or modify | |
11 | * it under the terms of the GNU General Public License version 2 as | |
12 | * published by the Free Software Foundation. | |
13 | */ | |
14 | ||
15 | #ifndef IEEE80211_H | |
16 | #define IEEE80211_H | |
17 | ||
18 | #include <linux/types.h> | |
f97df02e | 19 | #include <asm/byteorder.h> |
a9de8ce0 JB |
20 | |
21 | #define FCS_LEN 4 | |
22 | ||
23 | #define IEEE80211_FCTL_VERS 0x0003 | |
24 | #define IEEE80211_FCTL_FTYPE 0x000c | |
25 | #define IEEE80211_FCTL_STYPE 0x00f0 | |
26 | #define IEEE80211_FCTL_TODS 0x0100 | |
27 | #define IEEE80211_FCTL_FROMDS 0x0200 | |
28 | #define IEEE80211_FCTL_MOREFRAGS 0x0400 | |
29 | #define IEEE80211_FCTL_RETRY 0x0800 | |
30 | #define IEEE80211_FCTL_PM 0x1000 | |
31 | #define IEEE80211_FCTL_MOREDATA 0x2000 | |
32 | #define IEEE80211_FCTL_PROTECTED 0x4000 | |
33 | #define IEEE80211_FCTL_ORDER 0x8000 | |
34 | ||
35 | #define IEEE80211_SCTL_FRAG 0x000F | |
36 | #define IEEE80211_SCTL_SEQ 0xFFF0 | |
37 | ||
38 | #define IEEE80211_FTYPE_MGMT 0x0000 | |
39 | #define IEEE80211_FTYPE_CTL 0x0004 | |
40 | #define IEEE80211_FTYPE_DATA 0x0008 | |
41 | ||
42 | /* management */ | |
43 | #define IEEE80211_STYPE_ASSOC_REQ 0x0000 | |
44 | #define IEEE80211_STYPE_ASSOC_RESP 0x0010 | |
45 | #define IEEE80211_STYPE_REASSOC_REQ 0x0020 | |
46 | #define IEEE80211_STYPE_REASSOC_RESP 0x0030 | |
47 | #define IEEE80211_STYPE_PROBE_REQ 0x0040 | |
48 | #define IEEE80211_STYPE_PROBE_RESP 0x0050 | |
49 | #define IEEE80211_STYPE_BEACON 0x0080 | |
50 | #define IEEE80211_STYPE_ATIM 0x0090 | |
51 | #define IEEE80211_STYPE_DISASSOC 0x00A0 | |
52 | #define IEEE80211_STYPE_AUTH 0x00B0 | |
53 | #define IEEE80211_STYPE_DEAUTH 0x00C0 | |
54 | #define IEEE80211_STYPE_ACTION 0x00D0 | |
55 | ||
56 | /* control */ | |
6b4e3241 RR |
57 | #define IEEE80211_STYPE_BACK_REQ 0x0080 |
58 | #define IEEE80211_STYPE_BACK 0x0090 | |
a9de8ce0 JB |
59 | #define IEEE80211_STYPE_PSPOLL 0x00A0 |
60 | #define IEEE80211_STYPE_RTS 0x00B0 | |
61 | #define IEEE80211_STYPE_CTS 0x00C0 | |
62 | #define IEEE80211_STYPE_ACK 0x00D0 | |
63 | #define IEEE80211_STYPE_CFEND 0x00E0 | |
64 | #define IEEE80211_STYPE_CFENDACK 0x00F0 | |
65 | ||
66 | /* data */ | |
67 | #define IEEE80211_STYPE_DATA 0x0000 | |
68 | #define IEEE80211_STYPE_DATA_CFACK 0x0010 | |
69 | #define IEEE80211_STYPE_DATA_CFPOLL 0x0020 | |
70 | #define IEEE80211_STYPE_DATA_CFACKPOLL 0x0030 | |
71 | #define IEEE80211_STYPE_NULLFUNC 0x0040 | |
72 | #define IEEE80211_STYPE_CFACK 0x0050 | |
73 | #define IEEE80211_STYPE_CFPOLL 0x0060 | |
74 | #define IEEE80211_STYPE_CFACKPOLL 0x0070 | |
75 | #define IEEE80211_STYPE_QOS_DATA 0x0080 | |
76 | #define IEEE80211_STYPE_QOS_DATA_CFACK 0x0090 | |
77 | #define IEEE80211_STYPE_QOS_DATA_CFPOLL 0x00A0 | |
78 | #define IEEE80211_STYPE_QOS_DATA_CFACKPOLL 0x00B0 | |
79 | #define IEEE80211_STYPE_QOS_NULLFUNC 0x00C0 | |
80 | #define IEEE80211_STYPE_QOS_CFACK 0x00D0 | |
81 | #define IEEE80211_STYPE_QOS_CFPOLL 0x00E0 | |
82 | #define IEEE80211_STYPE_QOS_CFACKPOLL 0x00F0 | |
83 | ||
84 | ||
85 | /* miscellaneous IEEE 802.11 constants */ | |
c237899d MW |
86 | #define IEEE80211_MAX_FRAG_THRESHOLD 2352 |
87 | #define IEEE80211_MAX_RTS_THRESHOLD 2353 | |
a9de8ce0 JB |
88 | #define IEEE80211_MAX_AID 2007 |
89 | #define IEEE80211_MAX_TIM_LEN 251 | |
a9de8ce0 JB |
90 | /* Maximum size for the MA-UNITDATA primitive, 802.11 standard section |
91 | 6.2.1.1.2. | |
92 | ||
c237899d MW |
93 | 802.11e clarifies the figure in section 7.1.2. The frame body is |
94 | up to 2304 octets long (maximum MSDU size) plus any crypt overhead. */ | |
95 | #define IEEE80211_MAX_DATA_LEN 2304 | |
96 | /* 30 byte 4 addr hdr, 2 byte QoS, 2304 byte MSDU, 12 byte crypt, 4 byte FCS */ | |
97 | #define IEEE80211_MAX_FRAME_LEN 2352 | |
a9de8ce0 JB |
98 | |
99 | #define IEEE80211_MAX_SSID_LEN 32 | |
100 | ||
101 | struct ieee80211_hdr { | |
102 | __le16 frame_control; | |
103 | __le16 duration_id; | |
104 | u8 addr1[6]; | |
105 | u8 addr2[6]; | |
106 | u8 addr3[6]; | |
107 | __le16 seq_ctrl; | |
108 | u8 addr4[6]; | |
109 | } __attribute__ ((packed)); | |
110 | ||
111 | ||
112 | struct ieee80211_mgmt { | |
113 | __le16 frame_control; | |
114 | __le16 duration; | |
115 | u8 da[6]; | |
116 | u8 sa[6]; | |
117 | u8 bssid[6]; | |
118 | __le16 seq_ctrl; | |
119 | union { | |
120 | struct { | |
121 | __le16 auth_alg; | |
122 | __le16 auth_transaction; | |
123 | __le16 status_code; | |
124 | /* possibly followed by Challenge text */ | |
125 | u8 variable[0]; | |
126 | } __attribute__ ((packed)) auth; | |
127 | struct { | |
128 | __le16 reason_code; | |
129 | } __attribute__ ((packed)) deauth; | |
130 | struct { | |
131 | __le16 capab_info; | |
132 | __le16 listen_interval; | |
133 | /* followed by SSID and Supported rates */ | |
134 | u8 variable[0]; | |
135 | } __attribute__ ((packed)) assoc_req; | |
136 | struct { | |
137 | __le16 capab_info; | |
138 | __le16 status_code; | |
139 | __le16 aid; | |
140 | /* followed by Supported rates */ | |
141 | u8 variable[0]; | |
142 | } __attribute__ ((packed)) assoc_resp, reassoc_resp; | |
143 | struct { | |
144 | __le16 capab_info; | |
145 | __le16 listen_interval; | |
146 | u8 current_ap[6]; | |
147 | /* followed by SSID and Supported rates */ | |
148 | u8 variable[0]; | |
149 | } __attribute__ ((packed)) reassoc_req; | |
150 | struct { | |
151 | __le16 reason_code; | |
152 | } __attribute__ ((packed)) disassoc; | |
153 | struct { | |
154 | __le64 timestamp; | |
155 | __le16 beacon_int; | |
156 | __le16 capab_info; | |
157 | /* followed by some of SSID, Supported rates, | |
158 | * FH Params, DS Params, CF Params, IBSS Params, TIM */ | |
159 | u8 variable[0]; | |
160 | } __attribute__ ((packed)) beacon; | |
161 | struct { | |
162 | /* only variable items: SSID, Supported rates */ | |
163 | u8 variable[0]; | |
164 | } __attribute__ ((packed)) probe_req; | |
165 | struct { | |
166 | __le64 timestamp; | |
167 | __le16 beacon_int; | |
168 | __le16 capab_info; | |
169 | /* followed by some of SSID, Supported rates, | |
170 | * FH Params, DS Params, CF Params, IBSS Params */ | |
171 | u8 variable[0]; | |
172 | } __attribute__ ((packed)) probe_resp; | |
173 | struct { | |
174 | u8 category; | |
175 | union { | |
176 | struct { | |
177 | u8 action_code; | |
178 | u8 dialog_token; | |
179 | u8 status_code; | |
180 | u8 variable[0]; | |
181 | } __attribute__ ((packed)) wme_action; | |
182 | struct{ | |
183 | u8 action_code; | |
184 | u8 element_id; | |
185 | u8 length; | |
186 | u8 switch_mode; | |
187 | u8 new_chan; | |
188 | u8 switch_count; | |
189 | } __attribute__((packed)) chan_switch; | |
6b4e3241 RR |
190 | struct{ |
191 | u8 action_code; | |
192 | u8 dialog_token; | |
193 | __le16 capab; | |
194 | __le16 timeout; | |
195 | __le16 start_seq_num; | |
196 | } __attribute__((packed)) addba_req; | |
197 | struct{ | |
198 | u8 action_code; | |
199 | u8 dialog_token; | |
200 | __le16 status; | |
201 | __le16 capab; | |
202 | __le16 timeout; | |
203 | } __attribute__((packed)) addba_resp; | |
204 | struct{ | |
205 | u8 action_code; | |
206 | __le16 params; | |
207 | __le16 reason_code; | |
208 | } __attribute__((packed)) delba; | |
a9de8ce0 JB |
209 | } u; |
210 | } __attribute__ ((packed)) action; | |
211 | } u; | |
212 | } __attribute__ ((packed)); | |
213 | ||
214 | ||
215 | /* Control frames */ | |
216 | struct ieee80211_rts { | |
217 | __le16 frame_control; | |
218 | __le16 duration; | |
219 | u8 ra[6]; | |
220 | u8 ta[6]; | |
221 | } __attribute__ ((packed)); | |
222 | ||
223 | struct ieee80211_cts { | |
224 | __le16 frame_control; | |
225 | __le16 duration; | |
226 | u8 ra[6]; | |
227 | } __attribute__ ((packed)); | |
228 | ||
6b4e3241 RR |
229 | /** |
230 | * struct ieee80211_bar - HT Block Ack Request | |
231 | * | |
232 | * This structure refers to "HT BlockAckReq" as | |
233 | * described in 802.11n draft section 7.2.1.7.1 | |
234 | */ | |
235 | struct ieee80211_bar { | |
236 | __le16 frame_control; | |
237 | __le16 duration; | |
238 | __u8 ra[6]; | |
239 | __u8 ta[6]; | |
240 | __u16 control; | |
241 | __u16 start_seq_num; | |
242 | } __attribute__((packed)); | |
243 | ||
244 | /** | |
245 | * struct ieee80211_ht_cap - HT capabilities | |
246 | * | |
247 | * This structure refers to "HT capabilities element" as | |
248 | * described in 802.11n draft section 7.3.2.52 | |
249 | */ | |
250 | struct ieee80211_ht_cap { | |
251 | __le16 cap_info; | |
252 | u8 ampdu_params_info; | |
253 | u8 supp_mcs_set[16]; | |
254 | __le16 extended_ht_cap_info; | |
255 | __le32 tx_BF_cap_info; | |
256 | u8 antenna_selection_info; | |
257 | } __attribute__ ((packed)); | |
258 | ||
259 | /** | |
260 | * struct ieee80211_ht_cap - HT additional information | |
261 | * | |
262 | * This structure refers to "HT information element" as | |
263 | * described in 802.11n draft section 7.3.2.53 | |
264 | */ | |
265 | struct ieee80211_ht_addt_info { | |
266 | u8 control_chan; | |
267 | u8 ht_param; | |
268 | __le16 operation_mode; | |
269 | __le16 stbc_param; | |
270 | u8 basic_set[16]; | |
271 | } __attribute__ ((packed)); | |
272 | ||
273 | /* 802.11n HT capabilities masks */ | |
274 | #define IEEE80211_HT_CAP_SUP_WIDTH 0x0002 | |
275 | #define IEEE80211_HT_CAP_MIMO_PS 0x000C | |
276 | #define IEEE80211_HT_CAP_GRN_FLD 0x0010 | |
277 | #define IEEE80211_HT_CAP_SGI_20 0x0020 | |
278 | #define IEEE80211_HT_CAP_SGI_40 0x0040 | |
279 | #define IEEE80211_HT_CAP_DELAY_BA 0x0400 | |
280 | #define IEEE80211_HT_CAP_MAX_AMSDU 0x0800 | |
281 | #define IEEE80211_HT_CAP_AMPDU_FACTOR 0x03 | |
282 | #define IEEE80211_HT_CAP_AMPDU_DENSITY 0x1C | |
283 | /* 802.11n HT IE masks */ | |
284 | #define IEEE80211_HT_IE_CHA_SEC_OFFSET 0x03 | |
285 | #define IEEE80211_HT_IE_CHA_WIDTH 0x04 | |
286 | #define IEEE80211_HT_IE_HT_PROTECTION 0x0003 | |
287 | #define IEEE80211_HT_IE_NON_GF_STA_PRSNT 0x0004 | |
288 | #define IEEE80211_HT_IE_NON_HT_STA_PRSNT 0x0010 | |
a9de8ce0 JB |
289 | |
290 | /* Authentication algorithms */ | |
291 | #define WLAN_AUTH_OPEN 0 | |
292 | #define WLAN_AUTH_SHARED_KEY 1 | |
293 | #define WLAN_AUTH_FAST_BSS_TRANSITION 2 | |
294 | #define WLAN_AUTH_LEAP 128 | |
295 | ||
296 | #define WLAN_AUTH_CHALLENGE_LEN 128 | |
297 | ||
298 | #define WLAN_CAPABILITY_ESS (1<<0) | |
299 | #define WLAN_CAPABILITY_IBSS (1<<1) | |
300 | #define WLAN_CAPABILITY_CF_POLLABLE (1<<2) | |
301 | #define WLAN_CAPABILITY_CF_POLL_REQUEST (1<<3) | |
302 | #define WLAN_CAPABILITY_PRIVACY (1<<4) | |
303 | #define WLAN_CAPABILITY_SHORT_PREAMBLE (1<<5) | |
304 | #define WLAN_CAPABILITY_PBCC (1<<6) | |
305 | #define WLAN_CAPABILITY_CHANNEL_AGILITY (1<<7) | |
306 | /* 802.11h */ | |
307 | #define WLAN_CAPABILITY_SPECTRUM_MGMT (1<<8) | |
308 | #define WLAN_CAPABILITY_QOS (1<<9) | |
309 | #define WLAN_CAPABILITY_SHORT_SLOT_TIME (1<<10) | |
310 | #define WLAN_CAPABILITY_DSSS_OFDM (1<<13) | |
311 | ||
5628221c DD |
312 | /* 802.11g ERP information element */ |
313 | #define WLAN_ERP_NON_ERP_PRESENT (1<<0) | |
314 | #define WLAN_ERP_USE_PROTECTION (1<<1) | |
315 | #define WLAN_ERP_BARKER_PREAMBLE (1<<2) | |
316 | ||
317 | /* WLAN_ERP_BARKER_PREAMBLE values */ | |
318 | enum { | |
319 | WLAN_ERP_PREAMBLE_SHORT = 0, | |
320 | WLAN_ERP_PREAMBLE_LONG = 1, | |
321 | }; | |
322 | ||
a9de8ce0 JB |
323 | /* Status codes */ |
324 | enum ieee80211_statuscode { | |
325 | WLAN_STATUS_SUCCESS = 0, | |
326 | WLAN_STATUS_UNSPECIFIED_FAILURE = 1, | |
327 | WLAN_STATUS_CAPS_UNSUPPORTED = 10, | |
328 | WLAN_STATUS_REASSOC_NO_ASSOC = 11, | |
329 | WLAN_STATUS_ASSOC_DENIED_UNSPEC = 12, | |
330 | WLAN_STATUS_NOT_SUPPORTED_AUTH_ALG = 13, | |
331 | WLAN_STATUS_UNKNOWN_AUTH_TRANSACTION = 14, | |
332 | WLAN_STATUS_CHALLENGE_FAIL = 15, | |
333 | WLAN_STATUS_AUTH_TIMEOUT = 16, | |
334 | WLAN_STATUS_AP_UNABLE_TO_HANDLE_NEW_STA = 17, | |
335 | WLAN_STATUS_ASSOC_DENIED_RATES = 18, | |
336 | /* 802.11b */ | |
337 | WLAN_STATUS_ASSOC_DENIED_NOSHORTPREAMBLE = 19, | |
338 | WLAN_STATUS_ASSOC_DENIED_NOPBCC = 20, | |
339 | WLAN_STATUS_ASSOC_DENIED_NOAGILITY = 21, | |
340 | /* 802.11h */ | |
341 | WLAN_STATUS_ASSOC_DENIED_NOSPECTRUM = 22, | |
342 | WLAN_STATUS_ASSOC_REJECTED_BAD_POWER = 23, | |
343 | WLAN_STATUS_ASSOC_REJECTED_BAD_SUPP_CHAN = 24, | |
344 | /* 802.11g */ | |
345 | WLAN_STATUS_ASSOC_DENIED_NOSHORTTIME = 25, | |
346 | WLAN_STATUS_ASSOC_DENIED_NODSSSOFDM = 26, | |
347 | /* 802.11i */ | |
348 | WLAN_STATUS_INVALID_IE = 40, | |
349 | WLAN_STATUS_INVALID_GROUP_CIPHER = 41, | |
350 | WLAN_STATUS_INVALID_PAIRWISE_CIPHER = 42, | |
351 | WLAN_STATUS_INVALID_AKMP = 43, | |
352 | WLAN_STATUS_UNSUPP_RSN_VERSION = 44, | |
353 | WLAN_STATUS_INVALID_RSN_IE_CAP = 45, | |
354 | WLAN_STATUS_CIPHER_SUITE_REJECTED = 46, | |
6b4e3241 RR |
355 | /* 802.11e */ |
356 | WLAN_STATUS_UNSPECIFIED_QOS = 32, | |
357 | WLAN_STATUS_ASSOC_DENIED_NOBANDWIDTH = 33, | |
358 | WLAN_STATUS_ASSOC_DENIED_LOWACK = 34, | |
359 | WLAN_STATUS_ASSOC_DENIED_UNSUPP_QOS = 35, | |
360 | WLAN_STATUS_REQUEST_DECLINED = 37, | |
361 | WLAN_STATUS_INVALID_QOS_PARAM = 38, | |
362 | WLAN_STATUS_CHANGE_TSPEC = 39, | |
363 | WLAN_STATUS_WAIT_TS_DELAY = 47, | |
364 | WLAN_STATUS_NO_DIRECT_LINK = 48, | |
365 | WLAN_STATUS_STA_NOT_PRESENT = 49, | |
366 | WLAN_STATUS_STA_NOT_QSTA = 50, | |
a9de8ce0 JB |
367 | }; |
368 | ||
369 | ||
370 | /* Reason codes */ | |
371 | enum ieee80211_reasoncode { | |
372 | WLAN_REASON_UNSPECIFIED = 1, | |
373 | WLAN_REASON_PREV_AUTH_NOT_VALID = 2, | |
374 | WLAN_REASON_DEAUTH_LEAVING = 3, | |
375 | WLAN_REASON_DISASSOC_DUE_TO_INACTIVITY = 4, | |
376 | WLAN_REASON_DISASSOC_AP_BUSY = 5, | |
377 | WLAN_REASON_CLASS2_FRAME_FROM_NONAUTH_STA = 6, | |
378 | WLAN_REASON_CLASS3_FRAME_FROM_NONASSOC_STA = 7, | |
379 | WLAN_REASON_DISASSOC_STA_HAS_LEFT = 8, | |
380 | WLAN_REASON_STA_REQ_ASSOC_WITHOUT_AUTH = 9, | |
381 | /* 802.11h */ | |
382 | WLAN_REASON_DISASSOC_BAD_POWER = 10, | |
383 | WLAN_REASON_DISASSOC_BAD_SUPP_CHAN = 11, | |
384 | /* 802.11i */ | |
385 | WLAN_REASON_INVALID_IE = 13, | |
386 | WLAN_REASON_MIC_FAILURE = 14, | |
387 | WLAN_REASON_4WAY_HANDSHAKE_TIMEOUT = 15, | |
388 | WLAN_REASON_GROUP_KEY_HANDSHAKE_TIMEOUT = 16, | |
389 | WLAN_REASON_IE_DIFFERENT = 17, | |
390 | WLAN_REASON_INVALID_GROUP_CIPHER = 18, | |
391 | WLAN_REASON_INVALID_PAIRWISE_CIPHER = 19, | |
392 | WLAN_REASON_INVALID_AKMP = 20, | |
393 | WLAN_REASON_UNSUPP_RSN_VERSION = 21, | |
394 | WLAN_REASON_INVALID_RSN_IE_CAP = 22, | |
395 | WLAN_REASON_IEEE8021X_FAILED = 23, | |
396 | WLAN_REASON_CIPHER_SUITE_REJECTED = 24, | |
6b4e3241 RR |
397 | /* 802.11e */ |
398 | WLAN_REASON_DISASSOC_UNSPECIFIED_QOS = 32, | |
399 | WLAN_REASON_DISASSOC_QAP_NO_BANDWIDTH = 33, | |
400 | WLAN_REASON_DISASSOC_LOW_ACK = 34, | |
401 | WLAN_REASON_DISASSOC_QAP_EXCEED_TXOP = 35, | |
402 | WLAN_REASON_QSTA_LEAVE_QBSS = 36, | |
403 | WLAN_REASON_QSTA_NOT_USE = 37, | |
404 | WLAN_REASON_QSTA_REQUIRE_SETUP = 38, | |
405 | WLAN_REASON_QSTA_TIMEOUT = 39, | |
406 | WLAN_REASON_QSTA_CIPHER_NOT_SUPP = 45, | |
a9de8ce0 JB |
407 | }; |
408 | ||
409 | ||
410 | /* Information Element IDs */ | |
411 | enum ieee80211_eid { | |
412 | WLAN_EID_SSID = 0, | |
413 | WLAN_EID_SUPP_RATES = 1, | |
414 | WLAN_EID_FH_PARAMS = 2, | |
415 | WLAN_EID_DS_PARAMS = 3, | |
416 | WLAN_EID_CF_PARAMS = 4, | |
417 | WLAN_EID_TIM = 5, | |
418 | WLAN_EID_IBSS_PARAMS = 6, | |
419 | WLAN_EID_CHALLENGE = 16, | |
420 | /* 802.11d */ | |
421 | WLAN_EID_COUNTRY = 7, | |
422 | WLAN_EID_HP_PARAMS = 8, | |
423 | WLAN_EID_HP_TABLE = 9, | |
424 | WLAN_EID_REQUEST = 10, | |
6b4e3241 RR |
425 | /* 802.11e */ |
426 | WLAN_EID_QBSS_LOAD = 11, | |
427 | WLAN_EID_EDCA_PARAM_SET = 12, | |
428 | WLAN_EID_TSPEC = 13, | |
429 | WLAN_EID_TCLAS = 14, | |
430 | WLAN_EID_SCHEDULE = 15, | |
431 | WLAN_EID_TS_DELAY = 43, | |
432 | WLAN_EID_TCLAS_PROCESSING = 44, | |
433 | WLAN_EID_QOS_CAPA = 46, | |
a9de8ce0 JB |
434 | /* 802.11h */ |
435 | WLAN_EID_PWR_CONSTRAINT = 32, | |
436 | WLAN_EID_PWR_CAPABILITY = 33, | |
437 | WLAN_EID_TPC_REQUEST = 34, | |
438 | WLAN_EID_TPC_REPORT = 35, | |
439 | WLAN_EID_SUPPORTED_CHANNELS = 36, | |
440 | WLAN_EID_CHANNEL_SWITCH = 37, | |
441 | WLAN_EID_MEASURE_REQUEST = 38, | |
442 | WLAN_EID_MEASURE_REPORT = 39, | |
443 | WLAN_EID_QUIET = 40, | |
444 | WLAN_EID_IBSS_DFS = 41, | |
445 | /* 802.11g */ | |
446 | WLAN_EID_ERP_INFO = 42, | |
447 | WLAN_EID_EXT_SUPP_RATES = 50, | |
6b4e3241 RR |
448 | /* 802.11n */ |
449 | WLAN_EID_HT_CAPABILITY = 45, | |
450 | WLAN_EID_HT_EXTRA_INFO = 61, | |
a9de8ce0 JB |
451 | /* 802.11i */ |
452 | WLAN_EID_RSN = 48, | |
453 | WLAN_EID_WPA = 221, | |
454 | WLAN_EID_GENERIC = 221, | |
455 | WLAN_EID_VENDOR_SPECIFIC = 221, | |
456 | WLAN_EID_QOS_PARAMETER = 222 | |
457 | }; | |
458 | ||
6b4e3241 RR |
459 | /* Action category code */ |
460 | enum ieee80211_category { | |
461 | WLAN_CATEGORY_SPECTRUM_MGMT = 0, | |
462 | WLAN_CATEGORY_QOS = 1, | |
463 | WLAN_CATEGORY_DLS = 2, | |
464 | WLAN_CATEGORY_BACK = 3, | |
465 | WLAN_CATEGORY_WMM = 17, | |
466 | }; | |
467 | ||
468 | /* BACK action code */ | |
469 | enum ieee80211_back_actioncode { | |
470 | WLAN_ACTION_ADDBA_REQ = 0, | |
471 | WLAN_ACTION_ADDBA_RESP = 1, | |
472 | WLAN_ACTION_DELBA = 2, | |
473 | }; | |
474 | ||
07db2183 RR |
475 | /* BACK (block-ack) parties */ |
476 | enum ieee80211_back_parties { | |
477 | WLAN_BACK_RECIPIENT = 0, | |
478 | WLAN_BACK_INITIATOR = 1, | |
479 | WLAN_BACK_TIMER = 2, | |
480 | }; | |
481 | ||
6b4e3241 RR |
482 | /* A-MSDU 802.11n */ |
483 | #define IEEE80211_QOS_CONTROL_A_MSDU_PRESENT 0x0080 | |
484 | ||
a9de8ce0 JB |
485 | /* cipher suite selectors */ |
486 | #define WLAN_CIPHER_SUITE_USE_GROUP 0x000FAC00 | |
487 | #define WLAN_CIPHER_SUITE_WEP40 0x000FAC01 | |
488 | #define WLAN_CIPHER_SUITE_TKIP 0x000FAC02 | |
489 | /* reserved: 0x000FAC03 */ | |
490 | #define WLAN_CIPHER_SUITE_CCMP 0x000FAC04 | |
491 | #define WLAN_CIPHER_SUITE_WEP104 0x000FAC05 | |
492 | ||
493 | #define WLAN_MAX_KEY_LEN 32 | |
494 | ||
f97df02e JB |
495 | /** |
496 | * ieee80211_get_SA - get pointer to SA | |
497 | * | |
498 | * Given an 802.11 frame, this function returns the offset | |
499 | * to the source address (SA). It does not verify that the | |
500 | * header is long enough to contain the address, and the | |
501 | * header must be long enough to contain the frame control | |
502 | * field. | |
503 | * | |
504 | * @hdr: the frame | |
505 | */ | |
506 | static inline u8 *ieee80211_get_SA(struct ieee80211_hdr *hdr) | |
507 | { | |
508 | u8 *raw = (u8 *) hdr; | |
509 | u8 tofrom = (*(raw+1)) & 3; /* get the TODS and FROMDS bits */ | |
510 | ||
511 | switch (tofrom) { | |
512 | case 2: | |
513 | return hdr->addr3; | |
514 | case 3: | |
515 | return hdr->addr4; | |
516 | } | |
517 | return hdr->addr2; | |
518 | } | |
519 | ||
520 | /** | |
521 | * ieee80211_get_DA - get pointer to DA | |
522 | * | |
523 | * Given an 802.11 frame, this function returns the offset | |
524 | * to the destination address (DA). It does not verify that | |
525 | * the header is long enough to contain the address, and the | |
526 | * header must be long enough to contain the frame control | |
527 | * field. | |
528 | * | |
529 | * @hdr: the frame | |
530 | */ | |
531 | static inline u8 *ieee80211_get_DA(struct ieee80211_hdr *hdr) | |
532 | { | |
533 | u8 *raw = (u8 *) hdr; | |
534 | u8 to_ds = (*(raw+1)) & 1; /* get the TODS bit */ | |
535 | ||
536 | if (to_ds) | |
537 | return hdr->addr3; | |
538 | return hdr->addr1; | |
539 | } | |
540 | ||
541 | /** | |
542 | * ieee80211_get_morefrag - determine whether the MOREFRAGS bit is set | |
543 | * | |
544 | * This function determines whether the "more fragments" bit is set | |
545 | * in the frame. | |
546 | * | |
547 | * @hdr: the frame | |
548 | */ | |
549 | static inline int ieee80211_get_morefrag(struct ieee80211_hdr *hdr) | |
550 | { | |
551 | return (le16_to_cpu(hdr->frame_control) & | |
552 | IEEE80211_FCTL_MOREFRAGS) != 0; | |
553 | } | |
554 | ||
a9de8ce0 | 555 | #endif /* IEEE80211_H */ |