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ipv6: Compilation fix for compat MCAST_MSFILTER sockopts.
[GitHub/mt8127/android_kernel_alcatel_ttab.git] / include / linux / ieee80211.h
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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
37c57989 100#define IEEE80211_MAX_MESH_ID_LEN 32
a9de8ce0
JB		 101
102struct ieee80211_hdr {
103 __le16 frame_control;
104 __le16 duration_id;
105 u8 addr1[6];
106 u8 addr2[6];
107 u8 addr3[6];
108 __le16 seq_ctrl;
109 u8 addr4[6];
110} __attribute__ ((packed));
111
112
37c57989
LCC		 113struct ieee80211s_hdr {
114 u8 flags;
115 u8 ttl;
116 u8 seqnum[3];
117 u8 eaddr1[6];
118 u8 eaddr2[6];
119 u8 eaddr3[6];
120} __attribute__ ((packed));
121
122
a9de8ce0
JB		 123struct ieee80211_mgmt {
124 __le16 frame_control;
125 __le16 duration;
126 u8 da[6];
127 u8 sa[6];
128 u8 bssid[6];
129 __le16 seq_ctrl;
130 union {
131 struct {
132 __le16 auth_alg;
133 __le16 auth_transaction;
134 __le16 status_code;
135 /* possibly followed by Challenge text */
136 u8 variable[0];
137 } __attribute__ ((packed)) auth;
138 struct {
139 __le16 reason_code;
140 } __attribute__ ((packed)) deauth;
141 struct {
142 __le16 capab_info;
143 __le16 listen_interval;
144 /* followed by SSID and Supported rates */
145 u8 variable[0];
146 } __attribute__ ((packed)) assoc_req;
147 struct {
148 __le16 capab_info;
149 __le16 status_code;
150 __le16 aid;
151 /* followed by Supported rates */
152 u8 variable[0];
153 } __attribute__ ((packed)) assoc_resp, reassoc_resp;
154 struct {
155 __le16 capab_info;
156 __le16 listen_interval;
157 u8 current_ap[6];
158 /* followed by SSID and Supported rates */
159 u8 variable[0];
160 } __attribute__ ((packed)) reassoc_req;
161 struct {
162 __le16 reason_code;
163 } __attribute__ ((packed)) disassoc;
164 struct {
165 __le64 timestamp;
166 __le16 beacon_int;
167 __le16 capab_info;
168 /* followed by some of SSID, Supported rates,
169 * FH Params, DS Params, CF Params, IBSS Params, TIM */
170 u8 variable[0];
171 } __attribute__ ((packed)) beacon;
172 struct {
173 /* only variable items: SSID, Supported rates */
174 u8 variable[0];
175 } __attribute__ ((packed)) probe_req;
176 struct {
177 __le64 timestamp;
178 __le16 beacon_int;
179 __le16 capab_info;
180 /* followed by some of SSID, Supported rates,
181 * FH Params, DS Params, CF Params, IBSS Params */
182 u8 variable[0];
183 } __attribute__ ((packed)) probe_resp;
184 struct {
185 u8 category;
186 union {
187 struct {
188 u8 action_code;
189 u8 dialog_token;
190 u8 status_code;
191 u8 variable[0];
192 } __attribute__ ((packed)) wme_action;
193 struct{
194 u8 action_code;
195 u8 element_id;
196 u8 length;
197 u8 switch_mode;
198 u8 new_chan;
199 u8 switch_count;
200 } __attribute__((packed)) chan_switch;
6b4e3241
RR		 201 struct{
202 u8 action_code;
203 u8 dialog_token;
204 __le16 capab;
205 __le16 timeout;
206 __le16 start_seq_num;
207 } __attribute__((packed)) addba_req;
208 struct{
209 u8 action_code;
210 u8 dialog_token;
211 __le16 status;
212 __le16 capab;
213 __le16 timeout;
214 } __attribute__((packed)) addba_resp;
215 struct{
216 u8 action_code;
217 __le16 params;
218 __le16 reason_code;
219 } __attribute__((packed)) delba;
37c57989
LCC		 220 struct{
221 u8 action_code;
222 /* capab_info for open and confirm,
223 * reason for close
224 */
225 __le16 aux;
226 /* Followed in plink_confirm by status
227 * code, AID and supported rates,
228 * and directly by supported rates in
229 * plink_open and plink_close
230 */
231 u8 variable[0];
232 } __attribute__((packed)) plink_action;
233 struct{
234 u8 action_code;
235 u8 variable[0];
236 } __attribute__((packed)) mesh_action;
a9de8ce0
JB		 237 } u;
238 } __attribute__ ((packed)) action;
239 } u;
240} __attribute__ ((packed));
241
242
243/* Control frames */
244struct ieee80211_rts {
245 __le16 frame_control;
246 __le16 duration;
247 u8 ra[6];
248 u8 ta[6];
249} __attribute__ ((packed));
250
251struct ieee80211_cts {
252 __le16 frame_control;
253 __le16 duration;
254 u8 ra[6];
255} __attribute__ ((packed));
256
6b4e3241
RR		 257/**
258 * struct ieee80211_bar - HT Block Ack Request
259 *
260 * This structure refers to "HT BlockAckReq" as
261 * described in 802.11n draft section 7.2.1.7.1
262 */
263struct ieee80211_bar {
264 __le16 frame_control;
265 __le16 duration;
266 __u8 ra[6];
267 __u8 ta[6];
a8b47ea3
RR		 268 __le16 control;
269 __le16 start_seq_num;
6b4e3241
RR		 270} __attribute__((packed));
271
272/**
273 * struct ieee80211_ht_cap - HT capabilities
274 *
275 * This structure refers to "HT capabilities element" as
276 * described in 802.11n draft section 7.3.2.52
277 */
278struct ieee80211_ht_cap {
279 __le16 cap_info;
280 u8 ampdu_params_info;
281 u8 supp_mcs_set[16];
282 __le16 extended_ht_cap_info;
283 __le32 tx_BF_cap_info;
284 u8 antenna_selection_info;
285} __attribute__ ((packed));
286
287/**
288 * struct ieee80211_ht_cap - HT additional information
289 *
290 * This structure refers to "HT information element" as
291 * described in 802.11n draft section 7.3.2.53
292 */
293struct ieee80211_ht_addt_info {
294 u8 control_chan;
295 u8 ht_param;
296 __le16 operation_mode;
297 __le16 stbc_param;
298 u8 basic_set[16];
299} __attribute__ ((packed));
300
301/* 802.11n HT capabilities masks */
302#define IEEE80211_HT_CAP_SUP_WIDTH 0x0002
303#define IEEE80211_HT_CAP_MIMO_PS 0x000C
304#define IEEE80211_HT_CAP_GRN_FLD 0x0010
305#define IEEE80211_HT_CAP_SGI_20 0x0020
306#define IEEE80211_HT_CAP_SGI_40 0x0040
307#define IEEE80211_HT_CAP_DELAY_BA 0x0400
308#define IEEE80211_HT_CAP_MAX_AMSDU 0x0800
309#define IEEE80211_HT_CAP_AMPDU_FACTOR 0x03
310#define IEEE80211_HT_CAP_AMPDU_DENSITY 0x1C
311/* 802.11n HT IE masks */
312#define IEEE80211_HT_IE_CHA_SEC_OFFSET 0x03
313#define IEEE80211_HT_IE_CHA_WIDTH 0x04
314#define IEEE80211_HT_IE_HT_PROTECTION 0x0003
315#define IEEE80211_HT_IE_NON_GF_STA_PRSNT 0x0004
316#define IEEE80211_HT_IE_NON_HT_STA_PRSNT 0x0010
a9de8ce0 317
e53cfe0e
TW		 318/* MIMO Power Save Modes */
319#define WLAN_HT_CAP_MIMO_PS_STATIC 0
320#define WLAN_HT_CAP_MIMO_PS_DYNAMIC 1
321#define WLAN_HT_CAP_MIMO_PS_INVALID 2
322#define WLAN_HT_CAP_MIMO_PS_DISABLED 3
323
a9de8ce0
JB		 324/* Authentication algorithms */
325#define WLAN_AUTH_OPEN 0
326#define WLAN_AUTH_SHARED_KEY 1
327#define WLAN_AUTH_FAST_BSS_TRANSITION 2
328#define WLAN_AUTH_LEAP 128
329
330#define WLAN_AUTH_CHALLENGE_LEN 128
331
332#define WLAN_CAPABILITY_ESS (1<<0)
333#define WLAN_CAPABILITY_IBSS (1<<1)
334#define WLAN_CAPABILITY_CF_POLLABLE (1<<2)
335#define WLAN_CAPABILITY_CF_POLL_REQUEST (1<<3)
336#define WLAN_CAPABILITY_PRIVACY (1<<4)
337#define WLAN_CAPABILITY_SHORT_PREAMBLE (1<<5)
338#define WLAN_CAPABILITY_PBCC (1<<6)
339#define WLAN_CAPABILITY_CHANNEL_AGILITY (1<<7)
340/* 802.11h */
341#define WLAN_CAPABILITY_SPECTRUM_MGMT (1<<8)
342#define WLAN_CAPABILITY_QOS (1<<9)
343#define WLAN_CAPABILITY_SHORT_SLOT_TIME (1<<10)
344#define WLAN_CAPABILITY_DSSS_OFDM (1<<13)
345
5628221c
DD		 346/* 802.11g ERP information element */
347#define WLAN_ERP_NON_ERP_PRESENT (1<<0)
348#define WLAN_ERP_USE_PROTECTION (1<<1)
349#define WLAN_ERP_BARKER_PREAMBLE (1<<2)
350
351/* WLAN_ERP_BARKER_PREAMBLE values */
352enum {
353 WLAN_ERP_PREAMBLE_SHORT = 0,
354 WLAN_ERP_PREAMBLE_LONG = 1,
355};
356
a9de8ce0
JB		 357/* Status codes */
358enum ieee80211_statuscode {
359 WLAN_STATUS_SUCCESS = 0,
360 WLAN_STATUS_UNSPECIFIED_FAILURE = 1,
361 WLAN_STATUS_CAPS_UNSUPPORTED = 10,
362 WLAN_STATUS_REASSOC_NO_ASSOC = 11,
363 WLAN_STATUS_ASSOC_DENIED_UNSPEC = 12,
364 WLAN_STATUS_NOT_SUPPORTED_AUTH_ALG = 13,
365 WLAN_STATUS_UNKNOWN_AUTH_TRANSACTION = 14,
366 WLAN_STATUS_CHALLENGE_FAIL = 15,
367 WLAN_STATUS_AUTH_TIMEOUT = 16,
368 WLAN_STATUS_AP_UNABLE_TO_HANDLE_NEW_STA = 17,
369 WLAN_STATUS_ASSOC_DENIED_RATES = 18,
370 /* 802.11b */
371 WLAN_STATUS_ASSOC_DENIED_NOSHORTPREAMBLE = 19,
372 WLAN_STATUS_ASSOC_DENIED_NOPBCC = 20,
373 WLAN_STATUS_ASSOC_DENIED_NOAGILITY = 21,
374 /* 802.11h */
375 WLAN_STATUS_ASSOC_DENIED_NOSPECTRUM = 22,
376 WLAN_STATUS_ASSOC_REJECTED_BAD_POWER = 23,
377 WLAN_STATUS_ASSOC_REJECTED_BAD_SUPP_CHAN = 24,
378 /* 802.11g */
379 WLAN_STATUS_ASSOC_DENIED_NOSHORTTIME = 25,
380 WLAN_STATUS_ASSOC_DENIED_NODSSSOFDM = 26,
381 /* 802.11i */
382 WLAN_STATUS_INVALID_IE = 40,
383 WLAN_STATUS_INVALID_GROUP_CIPHER = 41,
384 WLAN_STATUS_INVALID_PAIRWISE_CIPHER = 42,
385 WLAN_STATUS_INVALID_AKMP = 43,
386 WLAN_STATUS_UNSUPP_RSN_VERSION = 44,
387 WLAN_STATUS_INVALID_RSN_IE_CAP = 45,
388 WLAN_STATUS_CIPHER_SUITE_REJECTED = 46,
6b4e3241
RR		 389 /* 802.11e */
390 WLAN_STATUS_UNSPECIFIED_QOS = 32,
391 WLAN_STATUS_ASSOC_DENIED_NOBANDWIDTH = 33,
392 WLAN_STATUS_ASSOC_DENIED_LOWACK = 34,
393 WLAN_STATUS_ASSOC_DENIED_UNSUPP_QOS = 35,
394 WLAN_STATUS_REQUEST_DECLINED = 37,
395 WLAN_STATUS_INVALID_QOS_PARAM = 38,
396 WLAN_STATUS_CHANGE_TSPEC = 39,
397 WLAN_STATUS_WAIT_TS_DELAY = 47,
398 WLAN_STATUS_NO_DIRECT_LINK = 48,
399 WLAN_STATUS_STA_NOT_PRESENT = 49,
400 WLAN_STATUS_STA_NOT_QSTA = 50,
a9de8ce0
JB		 401};
402
403
404/* Reason codes */
405enum ieee80211_reasoncode {
406 WLAN_REASON_UNSPECIFIED = 1,
407 WLAN_REASON_PREV_AUTH_NOT_VALID = 2,
408 WLAN_REASON_DEAUTH_LEAVING = 3,
409 WLAN_REASON_DISASSOC_DUE_TO_INACTIVITY = 4,
410 WLAN_REASON_DISASSOC_AP_BUSY = 5,
411 WLAN_REASON_CLASS2_FRAME_FROM_NONAUTH_STA = 6,
412 WLAN_REASON_CLASS3_FRAME_FROM_NONASSOC_STA = 7,
413 WLAN_REASON_DISASSOC_STA_HAS_LEFT = 8,
414 WLAN_REASON_STA_REQ_ASSOC_WITHOUT_AUTH = 9,
415 /* 802.11h */
416 WLAN_REASON_DISASSOC_BAD_POWER = 10,
417 WLAN_REASON_DISASSOC_BAD_SUPP_CHAN = 11,
418 /* 802.11i */
419 WLAN_REASON_INVALID_IE = 13,
420 WLAN_REASON_MIC_FAILURE = 14,
421 WLAN_REASON_4WAY_HANDSHAKE_TIMEOUT = 15,
422 WLAN_REASON_GROUP_KEY_HANDSHAKE_TIMEOUT = 16,
423 WLAN_REASON_IE_DIFFERENT = 17,
424 WLAN_REASON_INVALID_GROUP_CIPHER = 18,
425 WLAN_REASON_INVALID_PAIRWISE_CIPHER = 19,
426 WLAN_REASON_INVALID_AKMP = 20,
427 WLAN_REASON_UNSUPP_RSN_VERSION = 21,
428 WLAN_REASON_INVALID_RSN_IE_CAP = 22,
429 WLAN_REASON_IEEE8021X_FAILED = 23,
430 WLAN_REASON_CIPHER_SUITE_REJECTED = 24,
6b4e3241
RR		 431 /* 802.11e */
432 WLAN_REASON_DISASSOC_UNSPECIFIED_QOS = 32,
433 WLAN_REASON_DISASSOC_QAP_NO_BANDWIDTH = 33,
434 WLAN_REASON_DISASSOC_LOW_ACK = 34,
435 WLAN_REASON_DISASSOC_QAP_EXCEED_TXOP = 35,
436 WLAN_REASON_QSTA_LEAVE_QBSS = 36,
437 WLAN_REASON_QSTA_NOT_USE = 37,
438 WLAN_REASON_QSTA_REQUIRE_SETUP = 38,
439 WLAN_REASON_QSTA_TIMEOUT = 39,
440 WLAN_REASON_QSTA_CIPHER_NOT_SUPP = 45,
a9de8ce0
JB		 441};
442
443
444/* Information Element IDs */
445enum ieee80211_eid {
446 WLAN_EID_SSID = 0,
447 WLAN_EID_SUPP_RATES = 1,
448 WLAN_EID_FH_PARAMS = 2,
449 WLAN_EID_DS_PARAMS = 3,
450 WLAN_EID_CF_PARAMS = 4,
451 WLAN_EID_TIM = 5,
452 WLAN_EID_IBSS_PARAMS = 6,
453 WLAN_EID_CHALLENGE = 16,
454 /* 802.11d */
455 WLAN_EID_COUNTRY = 7,
456 WLAN_EID_HP_PARAMS = 8,
457 WLAN_EID_HP_TABLE = 9,
458 WLAN_EID_REQUEST = 10,
6b4e3241
RR		 459 /* 802.11e */
460 WLAN_EID_QBSS_LOAD = 11,
461 WLAN_EID_EDCA_PARAM_SET = 12,
462 WLAN_EID_TSPEC = 13,
463 WLAN_EID_TCLAS = 14,
464 WLAN_EID_SCHEDULE = 15,
465 WLAN_EID_TS_DELAY = 43,
466 WLAN_EID_TCLAS_PROCESSING = 44,
467 WLAN_EID_QOS_CAPA = 46,
d619ee08
LCC		 468 /* 802.11s
469 *
470 * All mesh EID numbers are pending IEEE 802.11 ANA approval.
471 * The numbers have been incremented from those suggested in
472 * 802.11s/D2.0 so that MESH_CONFIG does not conflict with
473 * EXT_SUPP_RATES.
474 */
475 WLAN_EID_MESH_CONFIG = 51,
476 WLAN_EID_MESH_ID = 52,
477 WLAN_EID_PEER_LINK = 55,
478 WLAN_EID_PREQ = 68,
479 WLAN_EID_PREP = 69,
480 WLAN_EID_PERR = 70,
a9de8ce0
JB		 481 /* 802.11h */
482 WLAN_EID_PWR_CONSTRAINT = 32,
483 WLAN_EID_PWR_CAPABILITY = 33,
484 WLAN_EID_TPC_REQUEST = 34,
485 WLAN_EID_TPC_REPORT = 35,
486 WLAN_EID_SUPPORTED_CHANNELS = 36,
487 WLAN_EID_CHANNEL_SWITCH = 37,
488 WLAN_EID_MEASURE_REQUEST = 38,
489 WLAN_EID_MEASURE_REPORT = 39,
490 WLAN_EID_QUIET = 40,
491 WLAN_EID_IBSS_DFS = 41,
492 /* 802.11g */
493 WLAN_EID_ERP_INFO = 42,
494 WLAN_EID_EXT_SUPP_RATES = 50,
6b4e3241
RR		 495 /* 802.11n */
496 WLAN_EID_HT_CAPABILITY = 45,
497 WLAN_EID_HT_EXTRA_INFO = 61,
a9de8ce0
JB		 498 /* 802.11i */
499 WLAN_EID_RSN = 48,
500 WLAN_EID_WPA = 221,
501 WLAN_EID_GENERIC = 221,
502 WLAN_EID_VENDOR_SPECIFIC = 221,
503 WLAN_EID_QOS_PARAMETER = 222
504};
505
6b4e3241
RR		 506/* Action category code */
507enum ieee80211_category {
508 WLAN_CATEGORY_SPECTRUM_MGMT = 0,
509 WLAN_CATEGORY_QOS = 1,
510 WLAN_CATEGORY_DLS = 2,
511 WLAN_CATEGORY_BACK = 3,
512 WLAN_CATEGORY_WMM = 17,
513};
514
515/* BACK action code */
516enum ieee80211_back_actioncode {
517 WLAN_ACTION_ADDBA_REQ = 0,
518 WLAN_ACTION_ADDBA_RESP = 1,
519 WLAN_ACTION_DELBA = 2,
520};
521
07db2183
RR		 522/* BACK (block-ack) parties */
523enum ieee80211_back_parties {
524 WLAN_BACK_RECIPIENT = 0,
525 WLAN_BACK_INITIATOR = 1,
526 WLAN_BACK_TIMER = 2,
527};
528
6b4e3241
RR		 529/* A-MSDU 802.11n */
530#define IEEE80211_QOS_CONTROL_A_MSDU_PRESENT 0x0080
531
a9de8ce0
JB		 532/* cipher suite selectors */
533#define WLAN_CIPHER_SUITE_USE_GROUP 0x000FAC00
534#define WLAN_CIPHER_SUITE_WEP40 0x000FAC01
535#define WLAN_CIPHER_SUITE_TKIP 0x000FAC02
536/* reserved: 0x000FAC03 */
537#define WLAN_CIPHER_SUITE_CCMP 0x000FAC04
538#define WLAN_CIPHER_SUITE_WEP104 0x000FAC05
539
540#define WLAN_MAX_KEY_LEN 32
541
f97df02e
JB		 542/**
543 * ieee80211_get_SA - get pointer to SA
544 *
545 * Given an 802.11 frame, this function returns the offset
546 * to the source address (SA). It does not verify that the
547 * header is long enough to contain the address, and the
548 * header must be long enough to contain the frame control
549 * field.
550 *
551 * @hdr: the frame
552 */
553static inline u8 *ieee80211_get_SA(struct ieee80211_hdr *hdr)
554{
555 u8 *raw = (u8 *) hdr;
556 u8 tofrom = (*(raw+1)) & 3; /* get the TODS and FROMDS bits */
557
558 switch (tofrom) {
559 case 2:
560 return hdr->addr3;
561 case 3:
562 return hdr->addr4;
563 }
564 return hdr->addr2;
565}
566
567/**
568 * ieee80211_get_DA - get pointer to DA
569 *
570 * Given an 802.11 frame, this function returns the offset
571 * to the destination address (DA). It does not verify that
572 * the header is long enough to contain the address, and the
573 * header must be long enough to contain the frame control
574 * field.
575 *
576 * @hdr: the frame
577 */
578static inline u8 *ieee80211_get_DA(struct ieee80211_hdr *hdr)
579{
580 u8 *raw = (u8 *) hdr;
581 u8 to_ds = (*(raw+1)) & 1; /* get the TODS bit */
582
583 if (to_ds)
584 return hdr->addr3;
585 return hdr->addr1;
586}
587
588/**
589 * ieee80211_get_morefrag - determine whether the MOREFRAGS bit is set
590 *
591 * This function determines whether the "more fragments" bit is set
592 * in the frame.
593 *
594 * @hdr: the frame
595 */
596static inline int ieee80211_get_morefrag(struct ieee80211_hdr *hdr)
597{
598 return (le16_to_cpu(hdr->frame_control) &
599 IEEE80211_FCTL_MOREFRAGS) != 0;
600}
601
a9de8ce0 602#endif /* IEEE80211_H */
kernel source for telekom puls (alcatel/mediatek)