1 /* SPDX-License-Identifier: GPL-2.0-only */
2 /*
3 * IEEE 802.11 defines
4 *
5 * Copyright (c) 2001-2002, SSH Communications Security Corp and Jouni Malinen
6 * <jkmaline@cc.hut.fi>
7 * Copyright (c) 2002-2003, Jouni Malinen <jkmaline@cc.hut.fi>
8 * Copyright (c) 2005, Devicescape Software, Inc.
9 * Copyright (c) 2006, Michael Wu <flamingice@sourmilk.net>
10 * Copyright (c) 2013 - 2014 Intel Mobile Communications GmbH
11 * Copyright (c) 2016 - 2017 Intel Deutschland GmbH
12 * Copyright (c) 2018 - 2020 Intel Corporation
13 */
14
15 #ifndef LINUX_IEEE80211_H
16 #define LINUX_IEEE80211_H
17
18 #include <linux/types.h>
19 #include <linux/if_ether.h>
20 #include <linux/etherdevice.h>
21 #include <asm/byteorder.h>
22 #include <asm/unaligned.h>
23
24 /*
25 * DS bit usage
26 *
27 * TA = transmitter address
28 * RA = receiver address
29 * DA = destination address
30 * SA = source address
31 *
32 * ToDS FromDS A1(RA) A2(TA) A3 A4 Use
33 * -----------------------------------------------------------------
34 * 0 0 DA SA BSSID - IBSS/DLS
35 * 0 1 DA BSSID SA - AP -> STA
36 * 1 0 BSSID SA DA - AP <- STA
37 * 1 1 RA TA DA SA unspecified (WDS)
38 */
39
40 #define FCS_LEN 4
41
42 #define IEEE80211_FCTL_VERS 0x0003
43 #define IEEE80211_FCTL_FTYPE 0x000c
44 #define IEEE80211_FCTL_STYPE 0x00f0
45 #define IEEE80211_FCTL_TODS 0x0100
46 #define IEEE80211_FCTL_FROMDS 0x0200
47 #define IEEE80211_FCTL_MOREFRAGS 0x0400
48 #define IEEE80211_FCTL_RETRY 0x0800
49 #define IEEE80211_FCTL_PM 0x1000
50 #define IEEE80211_FCTL_MOREDATA 0x2000
51 #define IEEE80211_FCTL_PROTECTED 0x4000
52 #define IEEE80211_FCTL_ORDER 0x8000
53 #define IEEE80211_FCTL_CTL_EXT 0x0f00
54
55 #define IEEE80211_SCTL_FRAG 0x000F
56 #define IEEE80211_SCTL_SEQ 0xFFF0
57
58 #define IEEE80211_FTYPE_MGMT 0x0000
59 #define IEEE80211_FTYPE_CTL 0x0004
60 #define IEEE80211_FTYPE_DATA 0x0008
61 #define IEEE80211_FTYPE_EXT 0x000c
62
63 /* management */
64 #define IEEE80211_STYPE_ASSOC_REQ 0x0000
65 #define IEEE80211_STYPE_ASSOC_RESP 0x0010
66 #define IEEE80211_STYPE_REASSOC_REQ 0x0020
67 #define IEEE80211_STYPE_REASSOC_RESP 0x0030
68 #define IEEE80211_STYPE_PROBE_REQ 0x0040
69 #define IEEE80211_STYPE_PROBE_RESP 0x0050
70 #define IEEE80211_STYPE_BEACON 0x0080
71 #define IEEE80211_STYPE_ATIM 0x0090
72 #define IEEE80211_STYPE_DISASSOC 0x00A0
73 #define IEEE80211_STYPE_AUTH 0x00B0
74 #define IEEE80211_STYPE_DEAUTH 0x00C0
75 #define IEEE80211_STYPE_ACTION 0x00D0
76
77 /* control */
78 #define IEEE80211_STYPE_CTL_EXT 0x0060
79 #define IEEE80211_STYPE_BACK_REQ 0x0080
80 #define IEEE80211_STYPE_BACK 0x0090
81 #define IEEE80211_STYPE_PSPOLL 0x00A0
82 #define IEEE80211_STYPE_RTS 0x00B0
83 #define IEEE80211_STYPE_CTS 0x00C0
84 #define IEEE80211_STYPE_ACK 0x00D0
85 #define IEEE80211_STYPE_CFEND 0x00E0
86 #define IEEE80211_STYPE_CFENDACK 0x00F0
87
88 /* data */
89 #define IEEE80211_STYPE_DATA 0x0000
90 #define IEEE80211_STYPE_DATA_CFACK 0x0010
91 #define IEEE80211_STYPE_DATA_CFPOLL 0x0020
92 #define IEEE80211_STYPE_DATA_CFACKPOLL 0x0030
93 #define IEEE80211_STYPE_NULLFUNC 0x0040
94 #define IEEE80211_STYPE_CFACK 0x0050
95 #define IEEE80211_STYPE_CFPOLL 0x0060
96 #define IEEE80211_STYPE_CFACKPOLL 0x0070
97 #define IEEE80211_STYPE_QOS_DATA 0x0080
98 #define IEEE80211_STYPE_QOS_DATA_CFACK 0x0090
99 #define IEEE80211_STYPE_QOS_DATA_CFPOLL 0x00A0
100 #define IEEE80211_STYPE_QOS_DATA_CFACKPOLL 0x00B0
101 #define IEEE80211_STYPE_QOS_NULLFUNC 0x00C0
102 #define IEEE80211_STYPE_QOS_CFACK 0x00D0
103 #define IEEE80211_STYPE_QOS_CFPOLL 0x00E0
104 #define IEEE80211_STYPE_QOS_CFACKPOLL 0x00F0
105
106 /* extension, added by 802.11ad */
107 #define IEEE80211_STYPE_DMG_BEACON 0x0000
108 #define IEEE80211_STYPE_S1G_BEACON 0x0010
109
110 /* bits unique to S1G beacon */
111 #define IEEE80211_S1G_BCN_NEXT_TBTT 0x100
112
113 /* see 802.11ah-2016 9.9 NDP CMAC frames */
114 #define IEEE80211_S1G_1MHZ_NDP_BITS 25
115 #define IEEE80211_S1G_1MHZ_NDP_BYTES 4
116 #define IEEE80211_S1G_2MHZ_NDP_BITS 37
117 #define IEEE80211_S1G_2MHZ_NDP_BYTES 5
118
119 #define IEEE80211_NDP_FTYPE_CTS 0
120 #define IEEE80211_NDP_FTYPE_CF_END 0
121 #define IEEE80211_NDP_FTYPE_PS_POLL 1
122 #define IEEE80211_NDP_FTYPE_ACK 2
123 #define IEEE80211_NDP_FTYPE_PS_POLL_ACK 3
124 #define IEEE80211_NDP_FTYPE_BA 4
125 #define IEEE80211_NDP_FTYPE_BF_REPORT_POLL 5
126 #define IEEE80211_NDP_FTYPE_PAGING 6
127 #define IEEE80211_NDP_FTYPE_PREQ 7
128
129 #define SM64(f, v) ((((u64)v) << f##_S) & f)
130
131 /* NDP CMAC frame fields */
132 #define IEEE80211_NDP_FTYPE 0x0000000000000007
133 #define IEEE80211_NDP_FTYPE_S 0x0000000000000000
134
135 /* 1M Probe Request 11ah 9.9.3.1.1 */
136 #define IEEE80211_NDP_1M_PREQ_ANO 0x0000000000000008
137 #define IEEE80211_NDP_1M_PREQ_ANO_S 3
138 #define IEEE80211_NDP_1M_PREQ_CSSID 0x00000000000FFFF0
139 #define IEEE80211_NDP_1M_PREQ_CSSID_S 4
140 #define IEEE80211_NDP_1M_PREQ_RTYPE 0x0000000000100000
141 #define IEEE80211_NDP_1M_PREQ_RTYPE_S 20
142 #define IEEE80211_NDP_1M_PREQ_RSV 0x0000000001E00000
143 #define IEEE80211_NDP_1M_PREQ_RSV 0x0000000001E00000
144 /* 2M Probe Request 11ah 9.9.3.1.2 */
145 #define IEEE80211_NDP_2M_PREQ_ANO 0x0000000000000008
146 #define IEEE80211_NDP_2M_PREQ_ANO_S 3
147 #define IEEE80211_NDP_2M_PREQ_CSSID 0x0000000FFFFFFFF0
148 #define IEEE80211_NDP_2M_PREQ_CSSID_S 4
149 #define IEEE80211_NDP_2M_PREQ_RTYPE 0x0000001000000000
150 #define IEEE80211_NDP_2M_PREQ_RTYPE_S 36
151
152 #define IEEE80211_ANO_NETTYPE_WILD 15
153
154 /* bits unique to S1G beacon */
155 #define IEEE80211_S1G_BCN_NEXT_TBTT 0x100
156
157 /* control extension - for IEEE80211_FTYPE_CTL | IEEE80211_STYPE_CTL_EXT */
158 #define IEEE80211_CTL_EXT_POLL 0x2000
159 #define IEEE80211_CTL_EXT_SPR 0x3000
160 #define IEEE80211_CTL_EXT_GRANT 0x4000
161 #define IEEE80211_CTL_EXT_DMG_CTS 0x5000
162 #define IEEE80211_CTL_EXT_DMG_DTS 0x6000
163 #define IEEE80211_CTL_EXT_SSW 0x8000
164 #define IEEE80211_CTL_EXT_SSW_FBACK 0x9000
165 #define IEEE80211_CTL_EXT_SSW_ACK 0xa000
166
167
168 #define IEEE80211_SN_MASK ((IEEE80211_SCTL_SEQ) >> 4)
169 #define IEEE80211_MAX_SN IEEE80211_SN_MASK
170 #define IEEE80211_SN_MODULO (IEEE80211_MAX_SN + 1)
171
172
173 /* PV1 Layout 11ah 9.8.3.1 */
174 #define IEEE80211_PV1_FCTL_VERS 0x0003
175 #define IEEE80211_PV1_FCTL_FTYPE 0x001c
176 #define IEEE80211_PV1_FCTL_STYPE 0x00e0
177 #define IEEE80211_PV1_FCTL_TODS 0x0100
178 #define IEEE80211_PV1_FCTL_MOREFRAGS 0x0200
179 #define IEEE80211_PV1_FCTL_PM 0x0400
180 #define IEEE80211_PV1_FCTL_MOREDATA 0x0800
181 #define IEEE80211_PV1_FCTL_PROTECTED 0x1000
182 #define IEEE80211_PV1_FCTL_END_SP 0x2000
183 #define IEEE80211_PV1_FCTL_RELAYED 0x4000
184 #define IEEE80211_PV1_FCTL_ACK_POLICY 0x8000
185 #define IEEE80211_PV1_FCTL_CTL_EXT 0x0f00
186
ieee80211_sn_less(u16 sn1,u16 sn2)187 static inline bool ieee80211_sn_less(u16 sn1, u16 sn2)
188 {
189 return ((sn1 - sn2) & IEEE80211_SN_MASK) > (IEEE80211_SN_MODULO >> 1);
190 }
191
ieee80211_sn_add(u16 sn1,u16 sn2)192 static inline u16 ieee80211_sn_add(u16 sn1, u16 sn2)
193 {
194 return (sn1 + sn2) & IEEE80211_SN_MASK;
195 }
196
ieee80211_sn_inc(u16 sn)197 static inline u16 ieee80211_sn_inc(u16 sn)
198 {
199 return ieee80211_sn_add(sn, 1);
200 }
201
ieee80211_sn_sub(u16 sn1,u16 sn2)202 static inline u16 ieee80211_sn_sub(u16 sn1, u16 sn2)
203 {
204 return (sn1 - sn2) & IEEE80211_SN_MASK;
205 }
206
207 #define IEEE80211_SEQ_TO_SN(seq) (((seq) & IEEE80211_SCTL_SEQ) >> 4)
208 #define IEEE80211_SN_TO_SEQ(ssn) (((ssn) << 4) & IEEE80211_SCTL_SEQ)
209
210 /* miscellaneous IEEE 802.11 constants */
211 #define IEEE80211_MAX_FRAG_THRESHOLD 2352
212 #define IEEE80211_MAX_RTS_THRESHOLD 2353
213 #define IEEE80211_MAX_AID 2007
214 #define IEEE80211_MAX_AID_S1G 8191
215 #define IEEE80211_MAX_TIM_LEN 251
216 #define IEEE80211_MAX_MESH_PEERINGS 63
217 /* Maximum size for the MA-UNITDATA primitive, 802.11 standard section
218 6.2.1.1.2.
219
220 802.11e clarifies the figure in section 7.1.2. The frame body is
221 up to 2304 octets long (maximum MSDU size) plus any crypt overhead. */
222 #define IEEE80211_MAX_DATA_LEN 2304
223 /* 802.11ad extends maximum MSDU size for DMG (freq > 40Ghz) networks
224 * to 7920 bytes, see 8.2.3 General frame format
225 */
226 #define IEEE80211_MAX_DATA_LEN_DMG 7920
227 /* 30 byte 4 addr hdr, 2 byte QoS, 2304 byte MSDU, 12 byte crypt, 4 byte FCS */
228 #define IEEE80211_MAX_FRAME_LEN 2352
229
230 /* Maximal size of an A-MSDU that can be transported in a HT BA session */
231 #define IEEE80211_MAX_MPDU_LEN_HT_BA 4095
232
233 /* Maximal size of an A-MSDU */
234 #define IEEE80211_MAX_MPDU_LEN_HT_3839 3839
235 #define IEEE80211_MAX_MPDU_LEN_HT_7935 7935
236
237 #define IEEE80211_MAX_MPDU_LEN_VHT_3895 3895
238 #define IEEE80211_MAX_MPDU_LEN_VHT_7991 7991
239 #define IEEE80211_MAX_MPDU_LEN_VHT_11454 11454
240
241 #define IEEE80211_MAX_SSID_LEN 32
242
243 #define IEEE80211_MAX_MESH_ID_LEN 32
244
245 #define IEEE80211_FIRST_TSPEC_TSID 8
246 #define IEEE80211_NUM_TIDS 16
247
248 /* number of user priorities 802.11 uses */
249 #define IEEE80211_NUM_UPS 8
250 /* number of ACs */
251 #define IEEE80211_NUM_ACS 4
252
253 #define IEEE80211_QOS_CTL_LEN 2
254 /* 1d tag mask */
255 #define IEEE80211_QOS_CTL_TAG1D_MASK 0x0007
256 /* TID mask */
257 #define IEEE80211_QOS_CTL_TID_MASK 0x000f
258 /* EOSP */
259 #define IEEE80211_QOS_CTL_EOSP 0x0010
260 /* ACK policy */
261 #define IEEE80211_QOS_CTL_ACK_POLICY_NORMAL 0x0000
262 #define IEEE80211_QOS_CTL_ACK_POLICY_NOACK 0x0020
263 #define IEEE80211_QOS_CTL_ACK_POLICY_NO_EXPL 0x0040
264 #define IEEE80211_QOS_CTL_ACK_POLICY_BLOCKACK 0x0060
265 #define IEEE80211_QOS_CTL_ACK_POLICY_MASK 0x0060
266 /* A-MSDU 802.11n */
267 #define IEEE80211_QOS_CTL_A_MSDU_PRESENT 0x0080
268 /* Mesh Control 802.11s */
269 #define IEEE80211_QOS_CTL_MESH_CONTROL_PRESENT 0x0100
270
271 /* Mesh Power Save Level */
272 #define IEEE80211_QOS_CTL_MESH_PS_LEVEL 0x0200
273 /* Mesh Receiver Service Period Initiated */
274 #define IEEE80211_QOS_CTL_RSPI 0x0400
275
276 /* U-APSD queue for WMM IEs sent by AP */
277 #define IEEE80211_WMM_IE_AP_QOSINFO_UAPSD (1<<7)
278 #define IEEE80211_WMM_IE_AP_QOSINFO_PARAM_SET_CNT_MASK 0x0f
279
280 /* U-APSD queues for WMM IEs sent by STA */
281 #define IEEE80211_WMM_IE_STA_QOSINFO_AC_VO (1<<0)
282 #define IEEE80211_WMM_IE_STA_QOSINFO_AC_VI (1<<1)
283 #define IEEE80211_WMM_IE_STA_QOSINFO_AC_BK (1<<2)
284 #define IEEE80211_WMM_IE_STA_QOSINFO_AC_BE (1<<3)
285 #define IEEE80211_WMM_IE_STA_QOSINFO_AC_MASK 0x0f
286
287 /* U-APSD max SP length for WMM IEs sent by STA */
288 #define IEEE80211_WMM_IE_STA_QOSINFO_SP_ALL 0x00
289 #define IEEE80211_WMM_IE_STA_QOSINFO_SP_2 0x01
290 #define IEEE80211_WMM_IE_STA_QOSINFO_SP_4 0x02
291 #define IEEE80211_WMM_IE_STA_QOSINFO_SP_6 0x03
292 #define IEEE80211_WMM_IE_STA_QOSINFO_SP_MASK 0x03
293 #define IEEE80211_WMM_IE_STA_QOSINFO_SP_SHIFT 5
294
295 #define IEEE80211_HT_CTL_LEN 4
296
297 struct ieee80211_hdr {
298 __le16 frame_control;
299 __le16 duration_id;
300 u8 addr1[ETH_ALEN];
301 u8 addr2[ETH_ALEN];
302 u8 addr3[ETH_ALEN];
303 __le16 seq_ctrl;
304 u8 addr4[ETH_ALEN];
305 } __packed __aligned(2);
306
307 struct ieee80211_hdr_3addr {
308 __le16 frame_control;
309 __le16 duration_id;
310 u8 addr1[ETH_ALEN];
311 u8 addr2[ETH_ALEN];
312 u8 addr3[ETH_ALEN];
313 __le16 seq_ctrl;
314 } __packed __aligned(2);
315
316 struct ieee80211_qos_hdr {
317 __le16 frame_control;
318 __le16 duration_id;
319 u8 addr1[ETH_ALEN];
320 u8 addr2[ETH_ALEN];
321 u8 addr3[ETH_ALEN];
322 __le16 seq_ctrl;
323 __le16 qos_ctrl;
324 } __packed __aligned(2);
325
326 /**
327 * ieee80211_has_tods - check if IEEE80211_FCTL_TODS is set
328 * @fc: frame control bytes in little-endian byteorder
329 */
ieee80211_has_tods(__le16 fc)330 static inline bool ieee80211_has_tods(__le16 fc)
331 {
332 return (fc & cpu_to_le16(IEEE80211_FCTL_TODS)) != 0;
333 }
334
335 /**
336 * ieee80211_has_fromds - check if IEEE80211_FCTL_FROMDS is set
337 * @fc: frame control bytes in little-endian byteorder
338 */
ieee80211_has_fromds(__le16 fc)339 static inline bool ieee80211_has_fromds(__le16 fc)
340 {
341 return (fc & cpu_to_le16(IEEE80211_FCTL_FROMDS)) != 0;
342 }
343
344 /**
345 * ieee80211_has_a4 - check if IEEE80211_FCTL_TODS and IEEE80211_FCTL_FROMDS are set
346 * @fc: frame control bytes in little-endian byteorder
347 */
ieee80211_has_a4(__le16 fc)348 static inline bool ieee80211_has_a4(__le16 fc)
349 {
350 __le16 tmp = cpu_to_le16(IEEE80211_FCTL_TODS | IEEE80211_FCTL_FROMDS);
351 return (fc & tmp) == tmp;
352 }
353
354 /**
355 * ieee80211_has_morefrags - check if IEEE80211_FCTL_MOREFRAGS is set
356 * @fc: frame control bytes in little-endian byteorder
357 */
ieee80211_has_morefrags(__le16 fc)358 static inline bool ieee80211_has_morefrags(__le16 fc)
359 {
360 return (fc & cpu_to_le16(IEEE80211_FCTL_MOREFRAGS)) != 0;
361 }
362
363 /**
364 * ieee80211_has_retry - check if IEEE80211_FCTL_RETRY is set
365 * @fc: frame control bytes in little-endian byteorder
366 */
ieee80211_has_retry(__le16 fc)367 static inline bool ieee80211_has_retry(__le16 fc)
368 {
369 return (fc & cpu_to_le16(IEEE80211_FCTL_RETRY)) != 0;
370 }
371
372 /**
373 * ieee80211_has_pm - check if IEEE80211_FCTL_PM is set
374 * @fc: frame control bytes in little-endian byteorder
375 */
ieee80211_has_pm(__le16 fc)376 static inline bool ieee80211_has_pm(__le16 fc)
377 {
378 return (fc & cpu_to_le16(IEEE80211_FCTL_PM)) != 0;
379 }
380
381 /**
382 * ieee80211_has_moredata - check if IEEE80211_FCTL_MOREDATA is set
383 * @fc: frame control bytes in little-endian byteorder
384 */
ieee80211_has_moredata(__le16 fc)385 static inline bool ieee80211_has_moredata(__le16 fc)
386 {
387 return (fc & cpu_to_le16(IEEE80211_FCTL_MOREDATA)) != 0;
388 }
389
390 /**
391 * ieee80211_has_protected - check if IEEE80211_FCTL_PROTECTED is set
392 * @fc: frame control bytes in little-endian byteorder
393 */
ieee80211_has_protected(__le16 fc)394 static inline bool ieee80211_has_protected(__le16 fc)
395 {
396 return (fc & cpu_to_le16(IEEE80211_FCTL_PROTECTED)) != 0;
397 }
398
399 /**
400 * ieee80211_has_order - check if IEEE80211_FCTL_ORDER is set
401 * @fc: frame control bytes in little-endian byteorder
402 */
ieee80211_has_order(__le16 fc)403 static inline bool ieee80211_has_order(__le16 fc)
404 {
405 return (fc & cpu_to_le16(IEEE80211_FCTL_ORDER)) != 0;
406 }
407
408 /**
409 * ieee80211_is_mgmt - check if type is IEEE80211_FTYPE_MGMT
410 * @fc: frame control bytes in little-endian byteorder
411 */
ieee80211_is_mgmt(__le16 fc)412 static inline bool ieee80211_is_mgmt(__le16 fc)
413 {
414 return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE)) ==
415 cpu_to_le16(IEEE80211_FTYPE_MGMT);
416 }
417
418 /**
419 * ieee80211_is_ctl - check if type is IEEE80211_FTYPE_CTL
420 * @fc: frame control bytes in little-endian byteorder
421 */
ieee80211_is_ctl(__le16 fc)422 static inline bool ieee80211_is_ctl(__le16 fc)
423 {
424 return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE)) ==
425 cpu_to_le16(IEEE80211_FTYPE_CTL);
426 }
427
428 /**
429 * ieee80211_is_data - check if type is IEEE80211_FTYPE_DATA
430 * @fc: frame control bytes in little-endian byteorder
431 */
ieee80211_is_data(__le16 fc)432 static inline bool ieee80211_is_data(__le16 fc)
433 {
434 return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE)) ==
435 cpu_to_le16(IEEE80211_FTYPE_DATA);
436 }
437
438 /**
439 * ieee80211_is_ext - check if type is IEEE80211_FTYPE_EXT
440 * @fc: frame control bytes in little-endian byteorder
441 */
ieee80211_is_ext(__le16 fc)442 static inline bool ieee80211_is_ext(__le16 fc)
443 {
444 return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE)) ==
445 cpu_to_le16(IEEE80211_FTYPE_EXT);
446 }
447
448
449 /**
450 * ieee80211_is_data_qos - check if type is IEEE80211_FTYPE_DATA and IEEE80211_STYPE_QOS_DATA is set
451 * @fc: frame control bytes in little-endian byteorder
452 */
ieee80211_is_data_qos(__le16 fc)453 static inline bool ieee80211_is_data_qos(__le16 fc)
454 {
455 /*
456 * mask with QOS_DATA rather than IEEE80211_FCTL_STYPE as we just need
457 * to check the one bit
458 */
459 return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | IEEE80211_STYPE_QOS_DATA)) ==
460 cpu_to_le16(IEEE80211_FTYPE_DATA | IEEE80211_STYPE_QOS_DATA);
461 }
462
463 /**
464 * ieee80211_is_data_present - check if type is IEEE80211_FTYPE_DATA and has data
465 * @fc: frame control bytes in little-endian byteorder
466 */
ieee80211_is_data_present(__le16 fc)467 static inline bool ieee80211_is_data_present(__le16 fc)
468 {
469 /*
470 * mask with 0x40 and test that that bit is clear to only return true
471 * for the data-containing substypes.
472 */
473 return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | 0x40)) ==
474 cpu_to_le16(IEEE80211_FTYPE_DATA);
475 }
476
477 /**
478 * ieee80211_is_assoc_req - check if IEEE80211_FTYPE_MGMT && IEEE80211_STYPE_ASSOC_REQ
479 * @fc: frame control bytes in little-endian byteorder
480 */
ieee80211_is_assoc_req(__le16 fc)481 static inline bool ieee80211_is_assoc_req(__le16 fc)
482 {
483 return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | IEEE80211_FCTL_STYPE)) ==
484 cpu_to_le16(IEEE80211_FTYPE_MGMT | IEEE80211_STYPE_ASSOC_REQ);
485 }
486
487 /**
488 * ieee80211_is_assoc_resp - check if IEEE80211_FTYPE_MGMT && IEEE80211_STYPE_ASSOC_RESP
489 * @fc: frame control bytes in little-endian byteorder
490 */
ieee80211_is_assoc_resp(__le16 fc)491 static inline bool ieee80211_is_assoc_resp(__le16 fc)
492 {
493 return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | IEEE80211_FCTL_STYPE)) ==
494 cpu_to_le16(IEEE80211_FTYPE_MGMT | IEEE80211_STYPE_ASSOC_RESP);
495 }
496
497 /**
498 * ieee80211_is_reassoc_req - check if IEEE80211_FTYPE_MGMT && IEEE80211_STYPE_REASSOC_REQ
499 * @fc: frame control bytes in little-endian byteorder
500 */
ieee80211_is_reassoc_req(__le16 fc)501 static inline bool ieee80211_is_reassoc_req(__le16 fc)
502 {
503 return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | IEEE80211_FCTL_STYPE)) ==
504 cpu_to_le16(IEEE80211_FTYPE_MGMT | IEEE80211_STYPE_REASSOC_REQ);
505 }
506
507 /**
508 * ieee80211_is_reassoc_resp - check if IEEE80211_FTYPE_MGMT && IEEE80211_STYPE_REASSOC_RESP
509 * @fc: frame control bytes in little-endian byteorder
510 */
ieee80211_is_reassoc_resp(__le16 fc)511 static inline bool ieee80211_is_reassoc_resp(__le16 fc)
512 {
513 return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | IEEE80211_FCTL_STYPE)) ==
514 cpu_to_le16(IEEE80211_FTYPE_MGMT | IEEE80211_STYPE_REASSOC_RESP);
515 }
516
517 /**
518 * ieee80211_is_probe_req - check if IEEE80211_FTYPE_MGMT && IEEE80211_STYPE_PROBE_REQ
519 * @fc: frame control bytes in little-endian byteorder
520 */
ieee80211_is_probe_req(__le16 fc)521 static inline bool ieee80211_is_probe_req(__le16 fc)
522 {
523 return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | IEEE80211_FCTL_STYPE)) ==
524 cpu_to_le16(IEEE80211_FTYPE_MGMT | IEEE80211_STYPE_PROBE_REQ);
525 }
526
527 /**
528 * ieee80211_is_probe_resp - check if IEEE80211_FTYPE_MGMT && IEEE80211_STYPE_PROBE_RESP
529 * @fc: frame control bytes in little-endian byteorder
530 */
ieee80211_is_probe_resp(__le16 fc)531 static inline bool ieee80211_is_probe_resp(__le16 fc)
532 {
533 return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | IEEE80211_FCTL_STYPE)) ==
534 cpu_to_le16(IEEE80211_FTYPE_MGMT | IEEE80211_STYPE_PROBE_RESP);
535 }
536
537 /**
538 * ieee80211_is_beacon - check if IEEE80211_FTYPE_MGMT && IEEE80211_STYPE_BEACON
539 * @fc: frame control bytes in little-endian byteorder
540 */
ieee80211_is_beacon(__le16 fc)541 static inline bool ieee80211_is_beacon(__le16 fc)
542 {
543 return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | IEEE80211_FCTL_STYPE)) ==
544 cpu_to_le16(IEEE80211_FTYPE_MGMT | IEEE80211_STYPE_BEACON);
545 }
546
547 /**
548 * ieee80211_is_s1g_beacon - check if IEEE80211_FTYPE_EXT &&
549 * IEEE80211_STYPE_S1G_BEACON
550 * @fc: frame control bytes in little-endian byteorder
551 */
ieee80211_is_s1g_beacon(__le16 fc)552 static inline bool ieee80211_is_s1g_beacon(__le16 fc)
553 {
554 return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE |
555 IEEE80211_FCTL_STYPE)) ==
556 cpu_to_le16(IEEE80211_FTYPE_EXT | IEEE80211_STYPE_S1G_BEACON);
557 }
558
559 /**
560 * ieee80211_next_tbtt_present - check if IEEE80211_FTYPE_EXT &&
561 * IEEE80211_STYPE_S1G_BEACON && IEEE80211_S1G_BCN_NEXT_TBTT
562 * @fc: frame control bytes in little-endian byteorder
563 */
ieee80211_next_tbtt_present(__le16 fc)564 static inline bool ieee80211_next_tbtt_present(__le16 fc)
565 {
566 return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | IEEE80211_FCTL_STYPE)) ==
567 cpu_to_le16(IEEE80211_FTYPE_EXT | IEEE80211_STYPE_S1G_BEACON) &&
568 fc & cpu_to_le16(IEEE80211_S1G_BCN_NEXT_TBTT);
569 }
570
571 /**
572 * ieee80211_is_s1g_short_beacon - check if next tbtt present bit is set. Only
573 * true for S1G beacons when they're short.
574 * @fc: frame control bytes in little-endian byteorder
575 */
ieee80211_is_s1g_short_beacon(__le16 fc)576 static inline bool ieee80211_is_s1g_short_beacon(__le16 fc)
577 {
578 return ieee80211_is_s1g_beacon(fc) && ieee80211_next_tbtt_present(fc);
579 }
580
581 /**
582 * ieee80211_is_atim - check if IEEE80211_FTYPE_MGMT && IEEE80211_STYPE_ATIM
583 * @fc: frame control bytes in little-endian byteorder
584 */
ieee80211_is_atim(__le16 fc)585 static inline bool ieee80211_is_atim(__le16 fc)
586 {
587 return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | IEEE80211_FCTL_STYPE)) ==
588 cpu_to_le16(IEEE80211_FTYPE_MGMT | IEEE80211_STYPE_ATIM);
589 }
590
591 /**
592 * ieee80211_is_disassoc - check if IEEE80211_FTYPE_MGMT && IEEE80211_STYPE_DISASSOC
593 * @fc: frame control bytes in little-endian byteorder
594 */
ieee80211_is_disassoc(__le16 fc)595 static inline bool ieee80211_is_disassoc(__le16 fc)
596 {
597 return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | IEEE80211_FCTL_STYPE)) ==
598 cpu_to_le16(IEEE80211_FTYPE_MGMT | IEEE80211_STYPE_DISASSOC);
599 }
600
601 /**
602 * ieee80211_is_auth - check if IEEE80211_FTYPE_MGMT && IEEE80211_STYPE_AUTH
603 * @fc: frame control bytes in little-endian byteorder
604 */
ieee80211_is_auth(__le16 fc)605 static inline bool ieee80211_is_auth(__le16 fc)
606 {
607 return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | IEEE80211_FCTL_STYPE)) ==
608 cpu_to_le16(IEEE80211_FTYPE_MGMT | IEEE80211_STYPE_AUTH);
609 }
610
611 /**
612 * ieee80211_is_deauth - check if IEEE80211_FTYPE_MGMT && IEEE80211_STYPE_DEAUTH
613 * @fc: frame control bytes in little-endian byteorder
614 */
ieee80211_is_deauth(__le16 fc)615 static inline bool ieee80211_is_deauth(__le16 fc)
616 {
617 return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | IEEE80211_FCTL_STYPE)) ==
618 cpu_to_le16(IEEE80211_FTYPE_MGMT | IEEE80211_STYPE_DEAUTH);
619 }
620
621 /**
622 * ieee80211_is_action - check if IEEE80211_FTYPE_MGMT && IEEE80211_STYPE_ACTION
623 * @fc: frame control bytes in little-endian byteorder
624 */
ieee80211_is_action(__le16 fc)625 static inline bool ieee80211_is_action(__le16 fc)
626 {
627 return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | IEEE80211_FCTL_STYPE)) ==
628 cpu_to_le16(IEEE80211_FTYPE_MGMT | IEEE80211_STYPE_ACTION);
629 }
630
631 /**
632 * ieee80211_is_back_req - check if IEEE80211_FTYPE_CTL && IEEE80211_STYPE_BACK_REQ
633 * @fc: frame control bytes in little-endian byteorder
634 */
ieee80211_is_back_req(__le16 fc)635 static inline bool ieee80211_is_back_req(__le16 fc)
636 {
637 return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | IEEE80211_FCTL_STYPE)) ==
638 cpu_to_le16(IEEE80211_FTYPE_CTL | IEEE80211_STYPE_BACK_REQ);
639 }
640
641 /**
642 * ieee80211_is_back - check if IEEE80211_FTYPE_CTL && IEEE80211_STYPE_BACK
643 * @fc: frame control bytes in little-endian byteorder
644 */
ieee80211_is_back(__le16 fc)645 static inline bool ieee80211_is_back(__le16 fc)
646 {
647 return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | IEEE80211_FCTL_STYPE)) ==
648 cpu_to_le16(IEEE80211_FTYPE_CTL | IEEE80211_STYPE_BACK);
649 }
650
651 /**
652 * ieee80211_is_pspoll - check if IEEE80211_FTYPE_CTL && IEEE80211_STYPE_PSPOLL
653 * @fc: frame control bytes in little-endian byteorder
654 */
ieee80211_is_pspoll(__le16 fc)655 static inline bool ieee80211_is_pspoll(__le16 fc)
656 {
657 return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | IEEE80211_FCTL_STYPE)) ==
658 cpu_to_le16(IEEE80211_FTYPE_CTL | IEEE80211_STYPE_PSPOLL);
659 }
660
661 /**
662 * ieee80211_is_rts - check if IEEE80211_FTYPE_CTL && IEEE80211_STYPE_RTS
663 * @fc: frame control bytes in little-endian byteorder
664 */
ieee80211_is_rts(__le16 fc)665 static inline bool ieee80211_is_rts(__le16 fc)
666 {
667 return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | IEEE80211_FCTL_STYPE)) ==
668 cpu_to_le16(IEEE80211_FTYPE_CTL | IEEE80211_STYPE_RTS);
669 }
670
671 /**
672 * ieee80211_is_cts - check if IEEE80211_FTYPE_CTL && IEEE80211_STYPE_CTS
673 * @fc: frame control bytes in little-endian byteorder
674 */
ieee80211_is_cts(__le16 fc)675 static inline bool ieee80211_is_cts(__le16 fc)
676 {
677 return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | IEEE80211_FCTL_STYPE)) ==
678 cpu_to_le16(IEEE80211_FTYPE_CTL | IEEE80211_STYPE_CTS);
679 }
680
681 /**
682 * ieee80211_is_ack - check if IEEE80211_FTYPE_CTL && IEEE80211_STYPE_ACK
683 * @fc: frame control bytes in little-endian byteorder
684 */
ieee80211_is_ack(__le16 fc)685 static inline bool ieee80211_is_ack(__le16 fc)
686 {
687 return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | IEEE80211_FCTL_STYPE)) ==
688 cpu_to_le16(IEEE80211_FTYPE_CTL | IEEE80211_STYPE_ACK);
689 }
690
691 /**
692 * ieee80211_is_cfend - check if IEEE80211_FTYPE_CTL && IEEE80211_STYPE_CFEND
693 * @fc: frame control bytes in little-endian byteorder
694 */
ieee80211_is_cfend(__le16 fc)695 static inline bool ieee80211_is_cfend(__le16 fc)
696 {
697 return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | IEEE80211_FCTL_STYPE)) ==
698 cpu_to_le16(IEEE80211_FTYPE_CTL | IEEE80211_STYPE_CFEND);
699 }
700
701 /**
702 * ieee80211_is_cfendack - check if IEEE80211_FTYPE_CTL && IEEE80211_STYPE_CFENDACK
703 * @fc: frame control bytes in little-endian byteorder
704 */
ieee80211_is_cfendack(__le16 fc)705 static inline bool ieee80211_is_cfendack(__le16 fc)
706 {
707 return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | IEEE80211_FCTL_STYPE)) ==
708 cpu_to_le16(IEEE80211_FTYPE_CTL | IEEE80211_STYPE_CFENDACK);
709 }
710
711 /**
712 * ieee80211_is_nullfunc - check if frame is a regular (non-QoS) nullfunc frame
713 * @fc: frame control bytes in little-endian byteorder
714 */
ieee80211_is_nullfunc(__le16 fc)715 static inline bool ieee80211_is_nullfunc(__le16 fc)
716 {
717 return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | IEEE80211_FCTL_STYPE)) ==
718 cpu_to_le16(IEEE80211_FTYPE_DATA | IEEE80211_STYPE_NULLFUNC);
719 }
720
721 /**
722 * ieee80211_is_qos_nullfunc - check if frame is a QoS nullfunc frame
723 * @fc: frame control bytes in little-endian byteorder
724 */
ieee80211_is_qos_nullfunc(__le16 fc)725 static inline bool ieee80211_is_qos_nullfunc(__le16 fc)
726 {
727 return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | IEEE80211_FCTL_STYPE)) ==
728 cpu_to_le16(IEEE80211_FTYPE_DATA | IEEE80211_STYPE_QOS_NULLFUNC);
729 }
730
731 /**
732 * ieee80211_is_any_nullfunc - check if frame is regular or QoS nullfunc frame
733 * @fc: frame control bytes in little-endian byteorder
734 */
ieee80211_is_any_nullfunc(__le16 fc)735 static inline bool ieee80211_is_any_nullfunc(__le16 fc)
736 {
737 return (ieee80211_is_nullfunc(fc) || ieee80211_is_qos_nullfunc(fc));
738 }
739
740 /**
741 * ieee80211_is_bufferable_mmpdu - check if frame is bufferable MMPDU
742 * @fc: frame control field in little-endian byteorder
743 */
ieee80211_is_bufferable_mmpdu(__le16 fc)744 static inline bool ieee80211_is_bufferable_mmpdu(__le16 fc)
745 {
746 /* IEEE 802.11-2012, definition of "bufferable management frame";
747 * note that this ignores the IBSS special case. */
748 return ieee80211_is_mgmt(fc) &&
749 (ieee80211_is_action(fc) ||
750 ieee80211_is_disassoc(fc) ||
751 ieee80211_is_deauth(fc));
752 }
753
754 /**
755 * ieee80211_is_first_frag - check if IEEE80211_SCTL_FRAG is not set
756 * @seq_ctrl: frame sequence control bytes in little-endian byteorder
757 */
ieee80211_is_first_frag(__le16 seq_ctrl)758 static inline bool ieee80211_is_first_frag(__le16 seq_ctrl)
759 {
760 return (seq_ctrl & cpu_to_le16(IEEE80211_SCTL_FRAG)) == 0;
761 }
762
763 /**
764 * ieee80211_is_frag - check if a frame is a fragment
765 * @hdr: 802.11 header of the frame
766 */
ieee80211_is_frag(struct ieee80211_hdr * hdr)767 static inline bool ieee80211_is_frag(struct ieee80211_hdr *hdr)
768 {
769 return ieee80211_has_morefrags(hdr->frame_control) ||
770 hdr->seq_ctrl & cpu_to_le16(IEEE80211_SCTL_FRAG);
771 }
772
773 struct ieee80211s_hdr {
774 u8 flags;
775 u8 ttl;
776 __le32 seqnum;
777 u8 eaddr1[ETH_ALEN];
778 u8 eaddr2[ETH_ALEN];
779 } __packed __aligned(2);
780
781 /* Mesh flags */
782 #define MESH_FLAGS_AE_A4 0x1
783 #define MESH_FLAGS_AE_A5_A6 0x2
784 #define MESH_FLAGS_AE 0x3
785 #define MESH_FLAGS_PS_DEEP 0x4
786
787 /**
788 * enum ieee80211_preq_flags - mesh PREQ element flags
789 *
790 * @IEEE80211_PREQ_PROACTIVE_PREP_FLAG: proactive PREP subfield
791 */
792 enum ieee80211_preq_flags {
793 IEEE80211_PREQ_PROACTIVE_PREP_FLAG = 1<<2,
794 };
795
796 /**
797 * enum ieee80211_preq_target_flags - mesh PREQ element per target flags
798 *
799 * @IEEE80211_PREQ_TO_FLAG: target only subfield
800 * @IEEE80211_PREQ_USN_FLAG: unknown target HWMP sequence number subfield
801 */
802 enum ieee80211_preq_target_flags {
803 IEEE80211_PREQ_TO_FLAG = 1<<0,
804 IEEE80211_PREQ_USN_FLAG = 1<<2,
805 };
806
807 /**
808 * struct ieee80211_quiet_ie
809 *
810 * This structure refers to "Quiet information element"
811 */
812 struct ieee80211_quiet_ie {
813 u8 count;
814 u8 period;
815 __le16 duration;
816 __le16 offset;
817 } __packed;
818
819 /**
820 * struct ieee80211_msrment_ie
821 *
822 * This structure refers to "Measurement Request/Report information element"
823 */
824 struct ieee80211_msrment_ie {
825 u8 token;
826 u8 mode;
827 u8 type;
828 u8 request[];
829 } __packed;
830
831 /**
832 * struct ieee80211_channel_sw_ie
833 *
834 * This structure refers to "Channel Switch Announcement information element"
835 */
836 struct ieee80211_channel_sw_ie {
837 u8 mode;
838 u8 new_ch_num;
839 u8 count;
840 } __packed;
841
842 /**
843 * struct ieee80211_ext_chansw_ie
844 *
845 * This structure represents the "Extended Channel Switch Announcement element"
846 */
847 struct ieee80211_ext_chansw_ie {
848 u8 mode;
849 u8 new_operating_class;
850 u8 new_ch_num;
851 u8 count;
852 } __packed;
853
854 /**
855 * struct ieee80211_sec_chan_offs_ie - secondary channel offset IE
856 * @sec_chan_offs: secondary channel offset, uses IEEE80211_HT_PARAM_CHA_SEC_*
857 * values here
858 * This structure represents the "Secondary Channel Offset element"
859 */
860 struct ieee80211_sec_chan_offs_ie {
861 u8 sec_chan_offs;
862 } __packed;
863
864 /**
865 * struct ieee80211_mesh_chansw_params_ie - mesh channel switch parameters IE
866 *
867 * This structure represents the "Mesh Channel Switch Paramters element"
868 */
869 struct ieee80211_mesh_chansw_params_ie {
870 u8 mesh_ttl;
871 u8 mesh_flags;
872 __le16 mesh_reason;
873 __le16 mesh_pre_value;
874 } __packed;
875
876 /**
877 * struct ieee80211_wide_bw_chansw_ie - wide bandwidth channel switch IE
878 */
879 struct ieee80211_wide_bw_chansw_ie {
880 u8 new_channel_width;
881 u8 new_center_freq_seg0, new_center_freq_seg1;
882 } __packed;
883
884 /**
885 * struct ieee80211_tim
886 *
887 * This structure refers to "Traffic Indication Map information element"
888 */
889 struct ieee80211_tim_ie {
890 u8 dtim_count;
891 u8 dtim_period;
892 u8 bitmap_ctrl;
893 /* variable size: 1 - 251 bytes */
894 u8 virtual_map[1];
895 } __packed;
896
897 /**
898 * struct ieee80211_meshconf_ie
899 *
900 * This structure refers to "Mesh Configuration information element"
901 */
902 struct ieee80211_meshconf_ie {
903 u8 meshconf_psel;
904 u8 meshconf_pmetric;
905 u8 meshconf_congest;
906 u8 meshconf_synch;
907 u8 meshconf_auth;
908 u8 meshconf_form;
909 u8 meshconf_cap;
910 } __packed;
911
912 /**
913 * enum mesh_config_capab_flags - Mesh Configuration IE capability field flags
914 *
915 * @IEEE80211_MESHCONF_CAPAB_ACCEPT_PLINKS: STA is willing to establish
916 * additional mesh peerings with other mesh STAs
917 * @IEEE80211_MESHCONF_CAPAB_FORWARDING: the STA forwards MSDUs
918 * @IEEE80211_MESHCONF_CAPAB_TBTT_ADJUSTING: TBTT adjustment procedure
919 * is ongoing
920 * @IEEE80211_MESHCONF_CAPAB_POWER_SAVE_LEVEL: STA is in deep sleep mode or has
921 * neighbors in deep sleep mode
922 */
923 enum mesh_config_capab_flags {
924 IEEE80211_MESHCONF_CAPAB_ACCEPT_PLINKS = 0x01,
925 IEEE80211_MESHCONF_CAPAB_FORWARDING = 0x08,
926 IEEE80211_MESHCONF_CAPAB_TBTT_ADJUSTING = 0x20,
927 IEEE80211_MESHCONF_CAPAB_POWER_SAVE_LEVEL = 0x40,
928 };
929
930 #define IEEE80211_MESHCONF_FORM_CONNECTED_TO_GATE 0x1
931
932 /**
933 * mesh channel switch parameters element's flag indicator
934 *
935 */
936 #define WLAN_EID_CHAN_SWITCH_PARAM_TX_RESTRICT BIT(0)
937 #define WLAN_EID_CHAN_SWITCH_PARAM_INITIATOR BIT(1)
938 #define WLAN_EID_CHAN_SWITCH_PARAM_REASON BIT(2)
939
940 /**
941 * struct ieee80211_rann_ie
942 *
943 * This structure refers to "Root Announcement information element"
944 */
945 struct ieee80211_rann_ie {
946 u8 rann_flags;
947 u8 rann_hopcount;
948 u8 rann_ttl;
949 u8 rann_addr[ETH_ALEN];
950 __le32 rann_seq;
951 __le32 rann_interval;
952 __le32 rann_metric;
953 } __packed;
954
955 enum ieee80211_rann_flags {
956 RANN_FLAG_IS_GATE = 1 << 0,
957 };
958
959 enum ieee80211_ht_chanwidth_values {
960 IEEE80211_HT_CHANWIDTH_20MHZ = 0,
961 IEEE80211_HT_CHANWIDTH_ANY = 1,
962 };
963
964 /**
965 * enum ieee80211_opmode_bits - VHT operating mode field bits
966 * @IEEE80211_OPMODE_NOTIF_CHANWIDTH_MASK: channel width mask
967 * @IEEE80211_OPMODE_NOTIF_CHANWIDTH_20MHZ: 20 MHz channel width
968 * @IEEE80211_OPMODE_NOTIF_CHANWIDTH_40MHZ: 40 MHz channel width
969 * @IEEE80211_OPMODE_NOTIF_CHANWIDTH_80MHZ: 80 MHz channel width
970 * @IEEE80211_OPMODE_NOTIF_CHANWIDTH_160MHZ: 160 MHz or 80+80 MHz channel width
971 * @IEEE80211_OPMODE_NOTIF_BW_160_80P80: 160 / 80+80 MHz indicator flag
972 * @IEEE80211_OPMODE_NOTIF_RX_NSS_MASK: number of spatial streams mask
973 * (the NSS value is the value of this field + 1)
974 * @IEEE80211_OPMODE_NOTIF_RX_NSS_SHIFT: number of spatial streams shift
975 * @IEEE80211_OPMODE_NOTIF_RX_NSS_TYPE_BF: indicates streams in SU-MIMO PPDU
976 * using a beamforming steering matrix
977 */
978 enum ieee80211_vht_opmode_bits {
979 IEEE80211_OPMODE_NOTIF_CHANWIDTH_MASK = 0x03,
980 IEEE80211_OPMODE_NOTIF_CHANWIDTH_20MHZ = 0,
981 IEEE80211_OPMODE_NOTIF_CHANWIDTH_40MHZ = 1,
982 IEEE80211_OPMODE_NOTIF_CHANWIDTH_80MHZ = 2,
983 IEEE80211_OPMODE_NOTIF_CHANWIDTH_160MHZ = 3,
984 IEEE80211_OPMODE_NOTIF_BW_160_80P80 = 0x04,
985 IEEE80211_OPMODE_NOTIF_RX_NSS_MASK = 0x70,
986 IEEE80211_OPMODE_NOTIF_RX_NSS_SHIFT = 4,
987 IEEE80211_OPMODE_NOTIF_RX_NSS_TYPE_BF = 0x80,
988 };
989
990 /**
991 * enum ieee80211_s1g_chanwidth
992 * These are defined in IEEE802.11-2016ah Table 10-20
993 * as BSS Channel Width
994 *
995 * @IEEE80211_S1G_CHANWIDTH_1MHZ: 1MHz operating channel
996 * @IEEE80211_S1G_CHANWIDTH_2MHZ: 2MHz operating channel
997 * @IEEE80211_S1G_CHANWIDTH_4MHZ: 4MHz operating channel
998 * @IEEE80211_S1G_CHANWIDTH_8MHZ: 8MHz operating channel
999 * @IEEE80211_S1G_CHANWIDTH_16MHZ: 16MHz operating channel
1000 */
1001 enum ieee80211_s1g_chanwidth {
1002 IEEE80211_S1G_CHANWIDTH_1MHZ = 0,
1003 IEEE80211_S1G_CHANWIDTH_2MHZ = 1,
1004 IEEE80211_S1G_CHANWIDTH_4MHZ = 3,
1005 IEEE80211_S1G_CHANWIDTH_8MHZ = 7,
1006 IEEE80211_S1G_CHANWIDTH_16MHZ = 15,
1007 };
1008
1009 #define WLAN_SA_QUERY_TR_ID_LEN 2
1010 #define WLAN_MEMBERSHIP_LEN 8
1011 #define WLAN_USER_POSITION_LEN 16
1012
1013 /**
1014 * struct ieee80211_tpc_report_ie
1015 *
1016 * This structure refers to "TPC Report element"
1017 */
1018 struct ieee80211_tpc_report_ie {
1019 u8 tx_power;
1020 u8 link_margin;
1021 } __packed;
1022
1023 #define IEEE80211_ADDBA_EXT_FRAG_LEVEL_MASK GENMASK(2, 1)
1024 #define IEEE80211_ADDBA_EXT_FRAG_LEVEL_SHIFT 1
1025 #define IEEE80211_ADDBA_EXT_NO_FRAG BIT(0)
1026
1027 struct ieee80211_addba_ext_ie {
1028 u8 data;
1029 } __packed;
1030
1031 /**
1032 * struct ieee80211_s1g_bcn_compat_ie
1033 *
1034 * S1G Beacon Compatibility element
1035 */
1036 struct ieee80211_s1g_bcn_compat_ie {
1037 __le16 compat_info;
1038 __le16 beacon_int;
1039 __le32 tsf_completion;
1040 } __packed;
1041
1042 /**
1043 * struct ieee80211_s1g_oper_ie
1044 *
1045 * S1G Operation element
1046 */
1047 struct ieee80211_s1g_oper_ie {
1048 u8 ch_width;
1049 u8 oper_class;
1050 u8 primary_ch;
1051 u8 oper_ch;
1052 __le16 basic_mcs_nss;
1053 } __packed;
1054
1055 /**
1056 * struct ieee80211_aid_response_ie
1057 *
1058 * AID Response element
1059 */
1060 struct ieee80211_aid_response_ie {
1061 __le16 aid;
1062 u8 switch_count;
1063 __le16 response_int;
1064 } __packed;
1065
1066 struct ieee80211_s1g_cap {
1067 u8 capab_info[10];
1068 u8 supp_mcs_nss[5];
1069 } __packed;
1070
1071 struct ieee80211_ext {
1072 __le16 frame_control;
1073 __le16 duration;
1074 union {
1075 struct {
1076 u8 sa[ETH_ALEN];
1077 __le32 timestamp;
1078 u8 change_seq;
1079 u8 variable[0];
1080 } __packed s1g_beacon;
1081 struct {
1082 u8 sa[ETH_ALEN];
1083 __le32 timestamp;
1084 u8 change_seq;
1085 u8 next_tbtt[3];
1086 u8 variable[0];
1087 } __packed s1g_short_beacon;
1088 } u;
1089 } __packed __aligned(2);
1090
1091 struct ieee80211_mgmt {
1092 __le16 frame_control;
1093 __le16 duration;
1094 u8 da[ETH_ALEN];
1095 u8 sa[ETH_ALEN];
1096 u8 bssid[ETH_ALEN];
1097 __le16 seq_ctrl;
1098 union {
1099 struct {
1100 __le16 auth_alg;
1101 __le16 auth_transaction;
1102 __le16 status_code;
1103 /* possibly followed by Challenge text */
1104 u8 variable[0];
1105 } __packed auth;
1106 struct {
1107 __le16 reason_code;
1108 } __packed deauth;
1109 struct {
1110 __le16 capab_info;
1111 __le16 listen_interval;
1112 /* followed by SSID and Supported rates */
1113 u8 variable[0];
1114 } __packed assoc_req;
1115 struct {
1116 __le16 capab_info;
1117 __le16 status_code;
1118 __le16 aid;
1119 /* followed by Supported rates */
1120 u8 variable[0];
1121 } __packed assoc_resp, reassoc_resp;
1122 struct {
1123 __le16 capab_info;
1124 __le16 status_code;
1125 u8 variable[0];
1126 } __packed s1g_assoc_resp, s1g_reassoc_resp;
1127 struct {
1128 __le16 capab_info;
1129 __le16 listen_interval;
1130 u8 current_ap[ETH_ALEN];
1131 /* followed by SSID and Supported rates */
1132 u8 variable[0];
1133 } __packed reassoc_req;
1134 struct {
1135 __le16 reason_code;
1136 } __packed disassoc;
1137 struct {
1138 __le64 timestamp;
1139 __le16 beacon_int;
1140 __le16 capab_info;
1141 /* followed by some of SSID, Supported rates,
1142 * FH Params, DS Params, CF Params, IBSS Params, TIM */
1143 u8 variable[0];
1144 } __packed beacon;
1145 struct {
1146 /* only variable items: SSID, Supported rates */
1147 u8 variable[0];
1148 } __packed probe_req;
1149 struct {
1150 __le64 timestamp;
1151 __le16 beacon_int;
1152 __le16 capab_info;
1153 /* followed by some of SSID, Supported rates,
1154 * FH Params, DS Params, CF Params, IBSS Params */
1155 u8 variable[0];
1156 } __packed probe_resp;
1157 struct {
1158 u8 category;
1159 union {
1160 struct {
1161 u8 action_code;
1162 u8 dialog_token;
1163 u8 status_code;
1164 u8 variable[0];
1165 } __packed wme_action;
1166 struct{
1167 u8 action_code;
1168 u8 variable[0];
1169 } __packed chan_switch;
1170 struct{
1171 u8 action_code;
1172 struct ieee80211_ext_chansw_ie data;
1173 u8 variable[0];
1174 } __packed ext_chan_switch;
1175 struct{
1176 u8 action_code;
1177 u8 dialog_token;
1178 u8 element_id;
1179 u8 length;
1180 struct ieee80211_msrment_ie msr_elem;
1181 } __packed measurement;
1182 struct{
1183 u8 action_code;
1184 u8 dialog_token;
1185 __le16 capab;
1186 __le16 timeout;
1187 __le16 start_seq_num;
1188 /* followed by BA Extension */
1189 u8 variable[0];
1190 } __packed addba_req;
1191 struct{
1192 u8 action_code;
1193 u8 dialog_token;
1194 __le16 status;
1195 __le16 capab;
1196 __le16 timeout;
1197 } __packed addba_resp;
1198 struct{
1199 u8 action_code;
1200 __le16 params;
1201 __le16 reason_code;
1202 } __packed delba;
1203 struct {
1204 u8 action_code;
1205 u8 variable[0];
1206 } __packed self_prot;
1207 struct{
1208 u8 action_code;
1209 u8 variable[0];
1210 } __packed mesh_action;
1211 struct {
1212 u8 action;
1213 u8 trans_id[WLAN_SA_QUERY_TR_ID_LEN];
1214 } __packed sa_query;
1215 struct {
1216 u8 action;
1217 u8 smps_control;
1218 } __packed ht_smps;
1219 struct {
1220 u8 action_code;
1221 u8 chanwidth;
1222 } __packed ht_notify_cw;
1223 struct {
1224 u8 action_code;
1225 u8 dialog_token;
1226 __le16 capability;
1227 u8 variable[0];
1228 } __packed tdls_discover_resp;
1229 struct {
1230 u8 action_code;
1231 u8 operating_mode;
1232 } __packed vht_opmode_notif;
1233 struct {
1234 u8 action_code;
1235 u8 membership[WLAN_MEMBERSHIP_LEN];
1236 u8 position[WLAN_USER_POSITION_LEN];
1237 } __packed vht_group_notif;
1238 struct {
1239 u8 action_code;
1240 u8 dialog_token;
1241 u8 tpc_elem_id;
1242 u8 tpc_elem_length;
1243 struct ieee80211_tpc_report_ie tpc;
1244 } __packed tpc_report;
1245 struct {
1246 u8 action_code;
1247 u8 dialog_token;
1248 u8 follow_up;
1249 u8 tod[6];
1250 u8 toa[6];
1251 __le16 tod_error;
1252 __le16 toa_error;
1253 u8 variable[0];
1254 } __packed ftm;
1255 } u;
1256 } __packed action;
1257 } u;
1258 } __packed __aligned(2);
1259
1260 /* Supported rates membership selectors */
1261 #define BSS_MEMBERSHIP_SELECTOR_HT_PHY 127
1262 #define BSS_MEMBERSHIP_SELECTOR_VHT_PHY 126
1263 #define BSS_MEMBERSHIP_SELECTOR_HE_PHY 122
1264
1265 /* mgmt header + 1 byte category code */
1266 #define IEEE80211_MIN_ACTION_SIZE offsetof(struct ieee80211_mgmt, u.action.u)
1267
1268
1269 /* Management MIC information element (IEEE 802.11w) */
1270 struct ieee80211_mmie {
1271 u8 element_id;
1272 u8 length;
1273 __le16 key_id;
1274 u8 sequence_number[6];
1275 u8 mic[8];
1276 } __packed;
1277
1278 /* Management MIC information element (IEEE 802.11w) for GMAC and CMAC-256 */
1279 struct ieee80211_mmie_16 {
1280 u8 element_id;
1281 u8 length;
1282 __le16 key_id;
1283 u8 sequence_number[6];
1284 u8 mic[16];
1285 } __packed;
1286
1287 struct ieee80211_vendor_ie {
1288 u8 element_id;
1289 u8 len;
1290 u8 oui[3];
1291 u8 oui_type;
1292 } __packed;
1293
1294 struct ieee80211_wmm_ac_param {
1295 u8 aci_aifsn; /* AIFSN, ACM, ACI */
1296 u8 cw; /* ECWmin, ECWmax (CW = 2^ECW - 1) */
1297 __le16 txop_limit;
1298 } __packed;
1299
1300 struct ieee80211_wmm_param_ie {
1301 u8 element_id; /* Element ID: 221 (0xdd); */
1302 u8 len; /* Length: 24 */
1303 /* required fields for WMM version 1 */
1304 u8 oui[3]; /* 00:50:f2 */
1305 u8 oui_type; /* 2 */
1306 u8 oui_subtype; /* 1 */
1307 u8 version; /* 1 for WMM version 1.0 */
1308 u8 qos_info; /* AP/STA specific QoS info */
1309 u8 reserved; /* 0 */
1310 /* AC_BE, AC_BK, AC_VI, AC_VO */
1311 struct ieee80211_wmm_ac_param ac[4];
1312 } __packed;
1313
1314 /* Control frames */
1315 struct ieee80211_rts {
1316 __le16 frame_control;
1317 __le16 duration;
1318 u8 ra[ETH_ALEN];
1319 u8 ta[ETH_ALEN];
1320 } __packed __aligned(2);
1321
1322 struct ieee80211_cts {
1323 __le16 frame_control;
1324 __le16 duration;
1325 u8 ra[ETH_ALEN];
1326 } __packed __aligned(2);
1327
1328 struct ieee80211_pspoll {
1329 __le16 frame_control;
1330 __le16 aid;
1331 u8 bssid[ETH_ALEN];
1332 u8 ta[ETH_ALEN];
1333 } __packed __aligned(2);
1334
1335 /* TDLS */
1336
1337 /* Channel switch timing */
1338 struct ieee80211_ch_switch_timing {
1339 __le16 switch_time;
1340 __le16 switch_timeout;
1341 } __packed;
1342
1343 /* Link-id information element */
1344 struct ieee80211_tdls_lnkie {
1345 u8 ie_type; /* Link Identifier IE */
1346 u8 ie_len;
1347 u8 bssid[ETH_ALEN];
1348 u8 init_sta[ETH_ALEN];
1349 u8 resp_sta[ETH_ALEN];
1350 } __packed;
1351
1352 struct ieee80211_tdls_data {
1353 u8 da[ETH_ALEN];
1354 u8 sa[ETH_ALEN];
1355 __be16 ether_type;
1356 u8 payload_type;
1357 u8 category;
1358 u8 action_code;
1359 union {
1360 struct {
1361 u8 dialog_token;
1362 __le16 capability;
1363 u8 variable[0];
1364 } __packed setup_req;
1365 struct {
1366 __le16 status_code;
1367 u8 dialog_token;
1368 __le16 capability;
1369 u8 variable[0];
1370 } __packed setup_resp;
1371 struct {
1372 __le16 status_code;
1373 u8 dialog_token;
1374 u8 variable[0];
1375 } __packed setup_cfm;
1376 struct {
1377 __le16 reason_code;
1378 u8 variable[0];
1379 } __packed teardown;
1380 struct {
1381 u8 dialog_token;
1382 u8 variable[0];
1383 } __packed discover_req;
1384 struct {
1385 u8 target_channel;
1386 u8 oper_class;
1387 u8 variable[0];
1388 } __packed chan_switch_req;
1389 struct {
1390 __le16 status_code;
1391 u8 variable[0];
1392 } __packed chan_switch_resp;
1393 } u;
1394 } __packed;
1395
1396 /*
1397 * Peer-to-Peer IE attribute related definitions.
1398 */
1399 /**
1400 * enum ieee80211_p2p_attr_id - identifies type of peer-to-peer attribute.
1401 */
1402 enum ieee80211_p2p_attr_id {
1403 IEEE80211_P2P_ATTR_STATUS = 0,
1404 IEEE80211_P2P_ATTR_MINOR_REASON,
1405 IEEE80211_P2P_ATTR_CAPABILITY,
1406 IEEE80211_P2P_ATTR_DEVICE_ID,
1407 IEEE80211_P2P_ATTR_GO_INTENT,
1408 IEEE80211_P2P_ATTR_GO_CONFIG_TIMEOUT,
1409 IEEE80211_P2P_ATTR_LISTEN_CHANNEL,
1410 IEEE80211_P2P_ATTR_GROUP_BSSID,
1411 IEEE80211_P2P_ATTR_EXT_LISTEN_TIMING,
1412 IEEE80211_P2P_ATTR_INTENDED_IFACE_ADDR,
1413 IEEE80211_P2P_ATTR_MANAGABILITY,
1414 IEEE80211_P2P_ATTR_CHANNEL_LIST,
1415 IEEE80211_P2P_ATTR_ABSENCE_NOTICE,
1416 IEEE80211_P2P_ATTR_DEVICE_INFO,
1417 IEEE80211_P2P_ATTR_GROUP_INFO,
1418 IEEE80211_P2P_ATTR_GROUP_ID,
1419 IEEE80211_P2P_ATTR_INTERFACE,
1420 IEEE80211_P2P_ATTR_OPER_CHANNEL,
1421 IEEE80211_P2P_ATTR_INVITE_FLAGS,
1422 /* 19 - 220: Reserved */
1423 IEEE80211_P2P_ATTR_VENDOR_SPECIFIC = 221,
1424
1425 IEEE80211_P2P_ATTR_MAX
1426 };
1427
1428 /* Notice of Absence attribute - described in P2P spec 4.1.14 */
1429 /* Typical max value used here */
1430 #define IEEE80211_P2P_NOA_DESC_MAX 4
1431
1432 struct ieee80211_p2p_noa_desc {
1433 u8 count;
1434 __le32 duration;
1435 __le32 interval;
1436 __le32 start_time;
1437 } __packed;
1438
1439 struct ieee80211_p2p_noa_attr {
1440 u8 index;
1441 u8 oppps_ctwindow;
1442 struct ieee80211_p2p_noa_desc desc[IEEE80211_P2P_NOA_DESC_MAX];
1443 } __packed;
1444
1445 #define IEEE80211_P2P_OPPPS_ENABLE_BIT BIT(7)
1446 #define IEEE80211_P2P_OPPPS_CTWINDOW_MASK 0x7F
1447
1448 /**
1449 * struct ieee80211_bar - HT Block Ack Request
1450 *
1451 * This structure refers to "HT BlockAckReq" as
1452 * described in 802.11n draft section 7.2.1.7.1
1453 */
1454 struct ieee80211_bar {
1455 __le16 frame_control;
1456 __le16 duration;
1457 __u8 ra[ETH_ALEN];
1458 __u8 ta[ETH_ALEN];
1459 __le16 control;
1460 __le16 start_seq_num;
1461 } __packed;
1462
1463 /* 802.11 BAR control masks */
1464 #define IEEE80211_BAR_CTRL_ACK_POLICY_NORMAL 0x0000
1465 #define IEEE80211_BAR_CTRL_MULTI_TID 0x0002
1466 #define IEEE80211_BAR_CTRL_CBMTID_COMPRESSED_BA 0x0004
1467 #define IEEE80211_BAR_CTRL_TID_INFO_MASK 0xf000
1468 #define IEEE80211_BAR_CTRL_TID_INFO_SHIFT 12
1469
1470 #define IEEE80211_HT_MCS_MASK_LEN 10
1471
1472 /**
1473 * struct ieee80211_mcs_info - MCS information
1474 * @rx_mask: RX mask
1475 * @rx_highest: highest supported RX rate. If set represents
1476 * the highest supported RX data rate in units of 1 Mbps.
1477 * If this field is 0 this value should not be used to
1478 * consider the highest RX data rate supported.
1479 * @tx_params: TX parameters
1480 */
1481 struct ieee80211_mcs_info {
1482 u8 rx_mask[IEEE80211_HT_MCS_MASK_LEN];
1483 __le16 rx_highest;
1484 u8 tx_params;
1485 u8 reserved[3];
1486 } __packed;
1487
1488 /* 802.11n HT capability MSC set */
1489 #define IEEE80211_HT_MCS_RX_HIGHEST_MASK 0x3ff
1490 #define IEEE80211_HT_MCS_TX_DEFINED 0x01
1491 #define IEEE80211_HT_MCS_TX_RX_DIFF 0x02
1492 /* value 0 == 1 stream etc */
1493 #define IEEE80211_HT_MCS_TX_MAX_STREAMS_MASK 0x0C
1494 #define IEEE80211_HT_MCS_TX_MAX_STREAMS_SHIFT 2
1495 #define IEEE80211_HT_MCS_TX_MAX_STREAMS 4
1496 #define IEEE80211_HT_MCS_TX_UNEQUAL_MODULATION 0x10
1497
1498 /*
1499 * 802.11n D5.0 20.3.5 / 20.6 says:
1500 * - indices 0 to 7 and 32 are single spatial stream
1501 * - 8 to 31 are multiple spatial streams using equal modulation
1502 * [8..15 for two streams, 16..23 for three and 24..31 for four]
1503 * - remainder are multiple spatial streams using unequal modulation
1504 */
1505 #define IEEE80211_HT_MCS_UNEQUAL_MODULATION_START 33
1506 #define IEEE80211_HT_MCS_UNEQUAL_MODULATION_START_BYTE \
1507 (IEEE80211_HT_MCS_UNEQUAL_MODULATION_START / 8)
1508
1509 /**
1510 * struct ieee80211_ht_cap - HT capabilities
1511 *
1512 * This structure is the "HT capabilities element" as
1513 * described in 802.11n D5.0 7.3.2.57
1514 */
1515 struct ieee80211_ht_cap {
1516 __le16 cap_info;
1517 u8 ampdu_params_info;
1518
1519 /* 16 bytes MCS information */
1520 struct ieee80211_mcs_info mcs;
1521
1522 __le16 extended_ht_cap_info;
1523 __le32 tx_BF_cap_info;
1524 u8 antenna_selection_info;
1525 } __packed;
1526
1527 /* 802.11n HT capabilities masks (for cap_info) */
1528 #define IEEE80211_HT_CAP_LDPC_CODING 0x0001
1529 #define IEEE80211_HT_CAP_SUP_WIDTH_20_40 0x0002
1530 #define IEEE80211_HT_CAP_SM_PS 0x000C
1531 #define IEEE80211_HT_CAP_SM_PS_SHIFT 2
1532 #define IEEE80211_HT_CAP_GRN_FLD 0x0010
1533 #define IEEE80211_HT_CAP_SGI_20 0x0020
1534 #define IEEE80211_HT_CAP_SGI_40 0x0040
1535 #define IEEE80211_HT_CAP_TX_STBC 0x0080
1536 #define IEEE80211_HT_CAP_RX_STBC 0x0300
1537 #define IEEE80211_HT_CAP_RX_STBC_SHIFT 8
1538 #define IEEE80211_HT_CAP_DELAY_BA 0x0400
1539 #define IEEE80211_HT_CAP_MAX_AMSDU 0x0800
1540 #define IEEE80211_HT_CAP_DSSSCCK40 0x1000
1541 #define IEEE80211_HT_CAP_RESERVED 0x2000
1542 #define IEEE80211_HT_CAP_40MHZ_INTOLERANT 0x4000
1543 #define IEEE80211_HT_CAP_LSIG_TXOP_PROT 0x8000
1544
1545 /* 802.11n HT extended capabilities masks (for extended_ht_cap_info) */
1546 #define IEEE80211_HT_EXT_CAP_PCO 0x0001
1547 #define IEEE80211_HT_EXT_CAP_PCO_TIME 0x0006
1548 #define IEEE80211_HT_EXT_CAP_PCO_TIME_SHIFT 1
1549 #define IEEE80211_HT_EXT_CAP_MCS_FB 0x0300
1550 #define IEEE80211_HT_EXT_CAP_MCS_FB_SHIFT 8
1551 #define IEEE80211_HT_EXT_CAP_HTC_SUP 0x0400
1552 #define IEEE80211_HT_EXT_CAP_RD_RESPONDER 0x0800
1553
1554 /* 802.11n HT capability AMPDU settings (for ampdu_params_info) */
1555 #define IEEE80211_HT_AMPDU_PARM_FACTOR 0x03
1556 #define IEEE80211_HT_AMPDU_PARM_DENSITY 0x1C
1557 #define IEEE80211_HT_AMPDU_PARM_DENSITY_SHIFT 2
1558
1559 /*
1560 * Maximum length of AMPDU that the STA can receive in high-throughput (HT).
1561 * Length = 2 ^ (13 + max_ampdu_length_exp) - 1 (octets)
1562 */
1563 enum ieee80211_max_ampdu_length_exp {
1564 IEEE80211_HT_MAX_AMPDU_8K = 0,
1565 IEEE80211_HT_MAX_AMPDU_16K = 1,
1566 IEEE80211_HT_MAX_AMPDU_32K = 2,
1567 IEEE80211_HT_MAX_AMPDU_64K = 3
1568 };
1569
1570 /*
1571 * Maximum length of AMPDU that the STA can receive in VHT.
1572 * Length = 2 ^ (13 + max_ampdu_length_exp) - 1 (octets)
1573 */
1574 enum ieee80211_vht_max_ampdu_length_exp {
1575 IEEE80211_VHT_MAX_AMPDU_8K = 0,
1576 IEEE80211_VHT_MAX_AMPDU_16K = 1,
1577 IEEE80211_VHT_MAX_AMPDU_32K = 2,
1578 IEEE80211_VHT_MAX_AMPDU_64K = 3,
1579 IEEE80211_VHT_MAX_AMPDU_128K = 4,
1580 IEEE80211_VHT_MAX_AMPDU_256K = 5,
1581 IEEE80211_VHT_MAX_AMPDU_512K = 6,
1582 IEEE80211_VHT_MAX_AMPDU_1024K = 7
1583 };
1584
1585 #define IEEE80211_HT_MAX_AMPDU_FACTOR 13
1586
1587 /* Minimum MPDU start spacing */
1588 enum ieee80211_min_mpdu_spacing {
1589 IEEE80211_HT_MPDU_DENSITY_NONE = 0, /* No restriction */
1590 IEEE80211_HT_MPDU_DENSITY_0_25 = 1, /* 1/4 usec */
1591 IEEE80211_HT_MPDU_DENSITY_0_5 = 2, /* 1/2 usec */
1592 IEEE80211_HT_MPDU_DENSITY_1 = 3, /* 1 usec */
1593 IEEE80211_HT_MPDU_DENSITY_2 = 4, /* 2 usec */
1594 IEEE80211_HT_MPDU_DENSITY_4 = 5, /* 4 usec */
1595 IEEE80211_HT_MPDU_DENSITY_8 = 6, /* 8 usec */
1596 IEEE80211_HT_MPDU_DENSITY_16 = 7 /* 16 usec */
1597 };
1598
1599 /**
1600 * struct ieee80211_ht_operation - HT operation IE
1601 *
1602 * This structure is the "HT operation element" as
1603 * described in 802.11n-2009 7.3.2.57
1604 */
1605 struct ieee80211_ht_operation {
1606 u8 primary_chan;
1607 u8 ht_param;
1608 __le16 operation_mode;
1609 __le16 stbc_param;
1610 u8 basic_set[16];
1611 } __packed;
1612
1613 /* for ht_param */
1614 #define IEEE80211_HT_PARAM_CHA_SEC_OFFSET 0x03
1615 #define IEEE80211_HT_PARAM_CHA_SEC_NONE 0x00
1616 #define IEEE80211_HT_PARAM_CHA_SEC_ABOVE 0x01
1617 #define IEEE80211_HT_PARAM_CHA_SEC_BELOW 0x03
1618 #define IEEE80211_HT_PARAM_CHAN_WIDTH_ANY 0x04
1619 #define IEEE80211_HT_PARAM_RIFS_MODE 0x08
1620
1621 /* for operation_mode */
1622 #define IEEE80211_HT_OP_MODE_PROTECTION 0x0003
1623 #define IEEE80211_HT_OP_MODE_PROTECTION_NONE 0
1624 #define IEEE80211_HT_OP_MODE_PROTECTION_NONMEMBER 1
1625 #define IEEE80211_HT_OP_MODE_PROTECTION_20MHZ 2
1626 #define IEEE80211_HT_OP_MODE_PROTECTION_NONHT_MIXED 3
1627 #define IEEE80211_HT_OP_MODE_NON_GF_STA_PRSNT 0x0004
1628 #define IEEE80211_HT_OP_MODE_NON_HT_STA_PRSNT 0x0010
1629 #define IEEE80211_HT_OP_MODE_CCFS2_SHIFT 5
1630 #define IEEE80211_HT_OP_MODE_CCFS2_MASK 0x1fe0
1631
1632 /* for stbc_param */
1633 #define IEEE80211_HT_STBC_PARAM_DUAL_BEACON 0x0040
1634 #define IEEE80211_HT_STBC_PARAM_DUAL_CTS_PROT 0x0080
1635 #define IEEE80211_HT_STBC_PARAM_STBC_BEACON 0x0100
1636 #define IEEE80211_HT_STBC_PARAM_LSIG_TXOP_FULLPROT 0x0200
1637 #define IEEE80211_HT_STBC_PARAM_PCO_ACTIVE 0x0400
1638 #define IEEE80211_HT_STBC_PARAM_PCO_PHASE 0x0800
1639
1640
1641 /* block-ack parameters */
1642 #define IEEE80211_ADDBA_PARAM_AMSDU_MASK 0x0001
1643 #define IEEE80211_ADDBA_PARAM_POLICY_MASK 0x0002
1644 #define IEEE80211_ADDBA_PARAM_TID_MASK 0x003C
1645 #define IEEE80211_ADDBA_PARAM_BUF_SIZE_MASK 0xFFC0
1646 #define IEEE80211_DELBA_PARAM_TID_MASK 0xF000
1647 #define IEEE80211_DELBA_PARAM_INITIATOR_MASK 0x0800
1648
1649 /*
1650 * A-MPDU buffer sizes
1651 * According to HT size varies from 8 to 64 frames
1652 * HE adds the ability to have up to 256 frames.
1653 */
1654 #define IEEE80211_MIN_AMPDU_BUF 0x8
1655 #define IEEE80211_MAX_AMPDU_BUF_HT 0x40
1656 #define IEEE80211_MAX_AMPDU_BUF 0x100
1657
1658
1659 /* Spatial Multiplexing Power Save Modes (for capability) */
1660 #define WLAN_HT_CAP_SM_PS_STATIC 0
1661 #define WLAN_HT_CAP_SM_PS_DYNAMIC 1
1662 #define WLAN_HT_CAP_SM_PS_INVALID 2
1663 #define WLAN_HT_CAP_SM_PS_DISABLED 3
1664
1665 /* for SM power control field lower two bits */
1666 #define WLAN_HT_SMPS_CONTROL_DISABLED 0
1667 #define WLAN_HT_SMPS_CONTROL_STATIC 1
1668 #define WLAN_HT_SMPS_CONTROL_DYNAMIC 3
1669
1670 /**
1671 * struct ieee80211_vht_mcs_info - VHT MCS information
1672 * @rx_mcs_map: RX MCS map 2 bits for each stream, total 8 streams
1673 * @rx_highest: Indicates highest long GI VHT PPDU data rate
1674 * STA can receive. Rate expressed in units of 1 Mbps.
1675 * If this field is 0 this value should not be used to
1676 * consider the highest RX data rate supported.
1677 * The top 3 bits of this field indicate the Maximum NSTS,total
1678 * (a beamformee capability.)
1679 * @tx_mcs_map: TX MCS map 2 bits for each stream, total 8 streams
1680 * @tx_highest: Indicates highest long GI VHT PPDU data rate
1681 * STA can transmit. Rate expressed in units of 1 Mbps.
1682 * If this field is 0 this value should not be used to
1683 * consider the highest TX data rate supported.
1684 * The top 2 bits of this field are reserved, the
1685 * 3rd bit from the top indiciates VHT Extended NSS BW
1686 * Capability.
1687 */
1688 struct ieee80211_vht_mcs_info {
1689 __le16 rx_mcs_map;
1690 __le16 rx_highest;
1691 __le16 tx_mcs_map;
1692 __le16 tx_highest;
1693 } __packed;
1694
1695 /* for rx_highest */
1696 #define IEEE80211_VHT_MAX_NSTS_TOTAL_SHIFT 13
1697 #define IEEE80211_VHT_MAX_NSTS_TOTAL_MASK (7 << IEEE80211_VHT_MAX_NSTS_TOTAL_SHIFT)
1698
1699 /* for tx_highest */
1700 #define IEEE80211_VHT_EXT_NSS_BW_CAPABLE (1 << 13)
1701
1702 /**
1703 * enum ieee80211_vht_mcs_support - VHT MCS support definitions
1704 * @IEEE80211_VHT_MCS_SUPPORT_0_7: MCSes 0-7 are supported for the
1705 * number of streams
1706 * @IEEE80211_VHT_MCS_SUPPORT_0_8: MCSes 0-8 are supported
1707 * @IEEE80211_VHT_MCS_SUPPORT_0_9: MCSes 0-9 are supported
1708 * @IEEE80211_VHT_MCS_NOT_SUPPORTED: This number of streams isn't supported
1709 *
1710 * These definitions are used in each 2-bit subfield of the @rx_mcs_map
1711 * and @tx_mcs_map fields of &struct ieee80211_vht_mcs_info, which are
1712 * both split into 8 subfields by number of streams. These values indicate
1713 * which MCSes are supported for the number of streams the value appears
1714 * for.
1715 */
1716 enum ieee80211_vht_mcs_support {
1717 IEEE80211_VHT_MCS_SUPPORT_0_7 = 0,
1718 IEEE80211_VHT_MCS_SUPPORT_0_8 = 1,
1719 IEEE80211_VHT_MCS_SUPPORT_0_9 = 2,
1720 IEEE80211_VHT_MCS_NOT_SUPPORTED = 3,
1721 };
1722
1723 /**
1724 * struct ieee80211_vht_cap - VHT capabilities
1725 *
1726 * This structure is the "VHT capabilities element" as
1727 * described in 802.11ac D3.0 8.4.2.160
1728 * @vht_cap_info: VHT capability info
1729 * @supp_mcs: VHT MCS supported rates
1730 */
1731 struct ieee80211_vht_cap {
1732 __le32 vht_cap_info;
1733 struct ieee80211_vht_mcs_info supp_mcs;
1734 } __packed;
1735
1736 /**
1737 * enum ieee80211_vht_chanwidth - VHT channel width
1738 * @IEEE80211_VHT_CHANWIDTH_USE_HT: use the HT operation IE to
1739 * determine the channel width (20 or 40 MHz)
1740 * @IEEE80211_VHT_CHANWIDTH_80MHZ: 80 MHz bandwidth
1741 * @IEEE80211_VHT_CHANWIDTH_160MHZ: 160 MHz bandwidth
1742 * @IEEE80211_VHT_CHANWIDTH_80P80MHZ: 80+80 MHz bandwidth
1743 */
1744 enum ieee80211_vht_chanwidth {
1745 IEEE80211_VHT_CHANWIDTH_USE_HT = 0,
1746 IEEE80211_VHT_CHANWIDTH_80MHZ = 1,
1747 IEEE80211_VHT_CHANWIDTH_160MHZ = 2,
1748 IEEE80211_VHT_CHANWIDTH_80P80MHZ = 3,
1749 };
1750
1751 /**
1752 * struct ieee80211_vht_operation - VHT operation IE
1753 *
1754 * This structure is the "VHT operation element" as
1755 * described in 802.11ac D3.0 8.4.2.161
1756 * @chan_width: Operating channel width
1757 * @center_freq_seg0_idx: center freq segment 0 index
1758 * @center_freq_seg1_idx: center freq segment 1 index
1759 * @basic_mcs_set: VHT Basic MCS rate set
1760 */
1761 struct ieee80211_vht_operation {
1762 u8 chan_width;
1763 u8 center_freq_seg0_idx;
1764 u8 center_freq_seg1_idx;
1765 __le16 basic_mcs_set;
1766 } __packed;
1767
1768 /**
1769 * struct ieee80211_he_cap_elem - HE capabilities element
1770 *
1771 * This structure is the "HE capabilities element" fixed fields as
1772 * described in P802.11ax_D4.0 section 9.4.2.242.2 and 9.4.2.242.3
1773 */
1774 struct ieee80211_he_cap_elem {
1775 u8 mac_cap_info[6];
1776 u8 phy_cap_info[11];
1777 } __packed;
1778
1779 #define IEEE80211_TX_RX_MCS_NSS_DESC_MAX_LEN 5
1780
1781 /**
1782 * enum ieee80211_he_mcs_support - HE MCS support definitions
1783 * @IEEE80211_HE_MCS_SUPPORT_0_7: MCSes 0-7 are supported for the
1784 * number of streams
1785 * @IEEE80211_HE_MCS_SUPPORT_0_9: MCSes 0-9 are supported
1786 * @IEEE80211_HE_MCS_SUPPORT_0_11: MCSes 0-11 are supported
1787 * @IEEE80211_HE_MCS_NOT_SUPPORTED: This number of streams isn't supported
1788 *
1789 * These definitions are used in each 2-bit subfield of the rx_mcs_*
1790 * and tx_mcs_* fields of &struct ieee80211_he_mcs_nss_supp, which are
1791 * both split into 8 subfields by number of streams. These values indicate
1792 * which MCSes are supported for the number of streams the value appears
1793 * for.
1794 */
1795 enum ieee80211_he_mcs_support {
1796 IEEE80211_HE_MCS_SUPPORT_0_7 = 0,
1797 IEEE80211_HE_MCS_SUPPORT_0_9 = 1,
1798 IEEE80211_HE_MCS_SUPPORT_0_11 = 2,
1799 IEEE80211_HE_MCS_NOT_SUPPORTED = 3,
1800 };
1801
1802 /**
1803 * struct ieee80211_he_mcs_nss_supp - HE Tx/Rx HE MCS NSS Support Field
1804 *
1805 * This structure holds the data required for the Tx/Rx HE MCS NSS Support Field
1806 * described in P802.11ax_D2.0 section 9.4.2.237.4
1807 *
1808 * @rx_mcs_80: Rx MCS map 2 bits for each stream, total 8 streams, for channel
1809 * widths less than 80MHz.
1810 * @tx_mcs_80: Tx MCS map 2 bits for each stream, total 8 streams, for channel
1811 * widths less than 80MHz.
1812 * @rx_mcs_160: Rx MCS map 2 bits for each stream, total 8 streams, for channel
1813 * width 160MHz.
1814 * @tx_mcs_160: Tx MCS map 2 bits for each stream, total 8 streams, for channel
1815 * width 160MHz.
1816 * @rx_mcs_80p80: Rx MCS map 2 bits for each stream, total 8 streams, for
1817 * channel width 80p80MHz.
1818 * @tx_mcs_80p80: Tx MCS map 2 bits for each stream, total 8 streams, for
1819 * channel width 80p80MHz.
1820 */
1821 struct ieee80211_he_mcs_nss_supp {
1822 __le16 rx_mcs_80;
1823 __le16 tx_mcs_80;
1824 __le16 rx_mcs_160;
1825 __le16 tx_mcs_160;
1826 __le16 rx_mcs_80p80;
1827 __le16 tx_mcs_80p80;
1828 } __packed;
1829
1830 /**
1831 * struct ieee80211_he_operation - HE capabilities element
1832 *
1833 * This structure is the "HE operation element" fields as
1834 * described in P802.11ax_D4.0 section 9.4.2.243
1835 */
1836 struct ieee80211_he_operation {
1837 __le32 he_oper_params;
1838 __le16 he_mcs_nss_set;
1839 /* Optional 0,1,3,4,5,7 or 8 bytes: depends on @he_oper_params */
1840 u8 optional[];
1841 } __packed;
1842
1843 /**
1844 * struct ieee80211_he_spr - HE spatial reuse element
1845 *
1846 * This structure is the "HE spatial reuse element" element as
1847 * described in P802.11ax_D4.0 section 9.4.2.241
1848 */
1849 struct ieee80211_he_spr {
1850 u8 he_sr_control;
1851 /* Optional 0 to 19 bytes: depends on @he_sr_control */
1852 u8 optional[];
1853 } __packed;
1854
1855 /**
1856 * struct ieee80211_he_mu_edca_param_ac_rec - MU AC Parameter Record field
1857 *
1858 * This structure is the "MU AC Parameter Record" fields as
1859 * described in P802.11ax_D4.0 section 9.4.2.245
1860 */
1861 struct ieee80211_he_mu_edca_param_ac_rec {
1862 u8 aifsn;
1863 u8 ecw_min_max;
1864 u8 mu_edca_timer;
1865 } __packed;
1866
1867 /**
1868 * struct ieee80211_mu_edca_param_set - MU EDCA Parameter Set element
1869 *
1870 * This structure is the "MU EDCA Parameter Set element" fields as
1871 * described in P802.11ax_D4.0 section 9.4.2.245
1872 */
1873 struct ieee80211_mu_edca_param_set {
1874 u8 mu_qos_info;
1875 struct ieee80211_he_mu_edca_param_ac_rec ac_be;
1876 struct ieee80211_he_mu_edca_param_ac_rec ac_bk;
1877 struct ieee80211_he_mu_edca_param_ac_rec ac_vi;
1878 struct ieee80211_he_mu_edca_param_ac_rec ac_vo;
1879 } __packed;
1880
1881 /* 802.11ac VHT Capabilities */
1882 #define IEEE80211_VHT_CAP_MAX_MPDU_LENGTH_3895 0x00000000
1883 #define IEEE80211_VHT_CAP_MAX_MPDU_LENGTH_7991 0x00000001
1884 #define IEEE80211_VHT_CAP_MAX_MPDU_LENGTH_11454 0x00000002
1885 #define IEEE80211_VHT_CAP_MAX_MPDU_MASK 0x00000003
1886 #define IEEE80211_VHT_CAP_SUPP_CHAN_WIDTH_160MHZ 0x00000004
1887 #define IEEE80211_VHT_CAP_SUPP_CHAN_WIDTH_160_80PLUS80MHZ 0x00000008
1888 #define IEEE80211_VHT_CAP_SUPP_CHAN_WIDTH_MASK 0x0000000C
1889 #define IEEE80211_VHT_CAP_SUPP_CHAN_WIDTH_SHIFT 2
1890 #define IEEE80211_VHT_CAP_RXLDPC 0x00000010
1891 #define IEEE80211_VHT_CAP_SHORT_GI_80 0x00000020
1892 #define IEEE80211_VHT_CAP_SHORT_GI_160 0x00000040
1893 #define IEEE80211_VHT_CAP_TXSTBC 0x00000080
1894 #define IEEE80211_VHT_CAP_RXSTBC_1 0x00000100
1895 #define IEEE80211_VHT_CAP_RXSTBC_2 0x00000200
1896 #define IEEE80211_VHT_CAP_RXSTBC_3 0x00000300
1897 #define IEEE80211_VHT_CAP_RXSTBC_4 0x00000400
1898 #define IEEE80211_VHT_CAP_RXSTBC_MASK 0x00000700
1899 #define IEEE80211_VHT_CAP_RXSTBC_SHIFT 8
1900 #define IEEE80211_VHT_CAP_SU_BEAMFORMER_CAPABLE 0x00000800
1901 #define IEEE80211_VHT_CAP_SU_BEAMFORMEE_CAPABLE 0x00001000
1902 #define IEEE80211_VHT_CAP_BEAMFORMEE_STS_SHIFT 13
1903 #define IEEE80211_VHT_CAP_BEAMFORMEE_STS_MASK \
1904 (7 << IEEE80211_VHT_CAP_BEAMFORMEE_STS_SHIFT)
1905 #define IEEE80211_VHT_CAP_SOUNDING_DIMENSIONS_SHIFT 16
1906 #define IEEE80211_VHT_CAP_SOUNDING_DIMENSIONS_MASK \
1907 (7 << IEEE80211_VHT_CAP_SOUNDING_DIMENSIONS_SHIFT)
1908 #define IEEE80211_VHT_CAP_MU_BEAMFORMER_CAPABLE 0x00080000
1909 #define IEEE80211_VHT_CAP_MU_BEAMFORMEE_CAPABLE 0x00100000
1910 #define IEEE80211_VHT_CAP_VHT_TXOP_PS 0x00200000
1911 #define IEEE80211_VHT_CAP_HTC_VHT 0x00400000
1912 #define IEEE80211_VHT_CAP_MAX_A_MPDU_LENGTH_EXPONENT_SHIFT 23
1913 #define IEEE80211_VHT_CAP_MAX_A_MPDU_LENGTH_EXPONENT_MASK \
1914 (7 << IEEE80211_VHT_CAP_MAX_A_MPDU_LENGTH_EXPONENT_SHIFT)
1915 #define IEEE80211_VHT_CAP_VHT_LINK_ADAPTATION_VHT_UNSOL_MFB 0x08000000
1916 #define IEEE80211_VHT_CAP_VHT_LINK_ADAPTATION_VHT_MRQ_MFB 0x0c000000
1917 #define IEEE80211_VHT_CAP_RX_ANTENNA_PATTERN 0x10000000
1918 #define IEEE80211_VHT_CAP_TX_ANTENNA_PATTERN 0x20000000
1919 #define IEEE80211_VHT_CAP_EXT_NSS_BW_SHIFT 30
1920 #define IEEE80211_VHT_CAP_EXT_NSS_BW_MASK 0xc0000000
1921
1922 /**
1923 * ieee80211_get_vht_max_nss - return max NSS for a given bandwidth/MCS
1924 * @cap: VHT capabilities of the peer
1925 * @bw: bandwidth to use
1926 * @mcs: MCS index to use
1927 * @ext_nss_bw_capable: indicates whether or not the local transmitter
1928 * (rate scaling algorithm) can deal with the new logic
1929 * (dot11VHTExtendedNSSBWCapable)
1930 * @max_vht_nss: current maximum NSS as advertised by the STA in
1931 * operating mode notification, can be 0 in which case the
1932 * capability data will be used to derive this (from MCS support)
1933 *
1934 * Due to the VHT Extended NSS Bandwidth Support, the maximum NSS can
1935 * vary for a given BW/MCS. This function parses the data.
1936 *
1937 * Note: This function is exported by cfg80211.
1938 */
1939 int ieee80211_get_vht_max_nss(struct ieee80211_vht_cap *cap,
1940 enum ieee80211_vht_chanwidth bw,
1941 int mcs, bool ext_nss_bw_capable,
1942 unsigned int max_vht_nss);
1943
1944 /* 802.11ax HE MAC capabilities */
1945 #define IEEE80211_HE_MAC_CAP0_HTC_HE 0x01
1946 #define IEEE80211_HE_MAC_CAP0_TWT_REQ 0x02
1947 #define IEEE80211_HE_MAC_CAP0_TWT_RES 0x04
1948 #define IEEE80211_HE_MAC_CAP0_DYNAMIC_FRAG_NOT_SUPP 0x00
1949 #define IEEE80211_HE_MAC_CAP0_DYNAMIC_FRAG_LEVEL_1 0x08
1950 #define IEEE80211_HE_MAC_CAP0_DYNAMIC_FRAG_LEVEL_2 0x10
1951 #define IEEE80211_HE_MAC_CAP0_DYNAMIC_FRAG_LEVEL_3 0x18
1952 #define IEEE80211_HE_MAC_CAP0_DYNAMIC_FRAG_MASK 0x18
1953 #define IEEE80211_HE_MAC_CAP0_MAX_NUM_FRAG_MSDU_1 0x00
1954 #define IEEE80211_HE_MAC_CAP0_MAX_NUM_FRAG_MSDU_2 0x20
1955 #define IEEE80211_HE_MAC_CAP0_MAX_NUM_FRAG_MSDU_4 0x40
1956 #define IEEE80211_HE_MAC_CAP0_MAX_NUM_FRAG_MSDU_8 0x60
1957 #define IEEE80211_HE_MAC_CAP0_MAX_NUM_FRAG_MSDU_16 0x80
1958 #define IEEE80211_HE_MAC_CAP0_MAX_NUM_FRAG_MSDU_32 0xa0
1959 #define IEEE80211_HE_MAC_CAP0_MAX_NUM_FRAG_MSDU_64 0xc0
1960 #define IEEE80211_HE_MAC_CAP0_MAX_NUM_FRAG_MSDU_UNLIMITED 0xe0
1961 #define IEEE80211_HE_MAC_CAP0_MAX_NUM_FRAG_MSDU_MASK 0xe0
1962
1963 #define IEEE80211_HE_MAC_CAP1_MIN_FRAG_SIZE_UNLIMITED 0x00
1964 #define IEEE80211_HE_MAC_CAP1_MIN_FRAG_SIZE_128 0x01
1965 #define IEEE80211_HE_MAC_CAP1_MIN_FRAG_SIZE_256 0x02
1966 #define IEEE80211_HE_MAC_CAP1_MIN_FRAG_SIZE_512 0x03
1967 #define IEEE80211_HE_MAC_CAP1_MIN_FRAG_SIZE_MASK 0x03
1968 #define IEEE80211_HE_MAC_CAP1_TF_MAC_PAD_DUR_0US 0x00
1969 #define IEEE80211_HE_MAC_CAP1_TF_MAC_PAD_DUR_8US 0x04
1970 #define IEEE80211_HE_MAC_CAP1_TF_MAC_PAD_DUR_16US 0x08
1971 #define IEEE80211_HE_MAC_CAP1_TF_MAC_PAD_DUR_MASK 0x0c
1972 #define IEEE80211_HE_MAC_CAP1_MULTI_TID_AGG_RX_QOS_1 0x00
1973 #define IEEE80211_HE_MAC_CAP1_MULTI_TID_AGG_RX_QOS_2 0x10
1974 #define IEEE80211_HE_MAC_CAP1_MULTI_TID_AGG_RX_QOS_3 0x20
1975 #define IEEE80211_HE_MAC_CAP1_MULTI_TID_AGG_RX_QOS_4 0x30
1976 #define IEEE80211_HE_MAC_CAP1_MULTI_TID_AGG_RX_QOS_5 0x40
1977 #define IEEE80211_HE_MAC_CAP1_MULTI_TID_AGG_RX_QOS_6 0x50
1978 #define IEEE80211_HE_MAC_CAP1_MULTI_TID_AGG_RX_QOS_7 0x60
1979 #define IEEE80211_HE_MAC_CAP1_MULTI_TID_AGG_RX_QOS_8 0x70
1980 #define IEEE80211_HE_MAC_CAP1_MULTI_TID_AGG_RX_QOS_MASK 0x70
1981
1982 /* Link adaptation is split between byte HE_MAC_CAP1 and
1983 * HE_MAC_CAP2. It should be set only if IEEE80211_HE_MAC_CAP0_HTC_HE
1984 * in which case the following values apply:
1985 * 0 = No feedback.
1986 * 1 = reserved.
1987 * 2 = Unsolicited feedback.
1988 * 3 = both
1989 */
1990 #define IEEE80211_HE_MAC_CAP1_LINK_ADAPTATION 0x80
1991
1992 #define IEEE80211_HE_MAC_CAP2_LINK_ADAPTATION 0x01
1993 #define IEEE80211_HE_MAC_CAP2_ALL_ACK 0x02
1994 #define IEEE80211_HE_MAC_CAP2_TRS 0x04
1995 #define IEEE80211_HE_MAC_CAP2_BSR 0x08
1996 #define IEEE80211_HE_MAC_CAP2_BCAST_TWT 0x10
1997 #define IEEE80211_HE_MAC_CAP2_32BIT_BA_BITMAP 0x20
1998 #define IEEE80211_HE_MAC_CAP2_MU_CASCADING 0x40
1999 #define IEEE80211_HE_MAC_CAP2_ACK_EN 0x80
2000
2001 #define IEEE80211_HE_MAC_CAP3_OMI_CONTROL 0x02
2002 #define IEEE80211_HE_MAC_CAP3_OFDMA_RA 0x04
2003
2004 /* The maximum length of an A-MDPU is defined by the combination of the Maximum
2005 * A-MDPU Length Exponent field in the HT capabilities, VHT capabilities and the
2006 * same field in the HE capabilities.
2007 */
2008 #define IEEE80211_HE_MAC_CAP3_MAX_AMPDU_LEN_EXP_USE_VHT 0x00
2009 #define IEEE80211_HE_MAC_CAP3_MAX_AMPDU_LEN_EXP_VHT_1 0x08
2010 #define IEEE80211_HE_MAC_CAP3_MAX_AMPDU_LEN_EXP_VHT_2 0x10
2011 #define IEEE80211_HE_MAC_CAP3_MAX_AMPDU_LEN_EXP_RESERVED 0x18
2012 #define IEEE80211_HE_MAC_CAP3_MAX_AMPDU_LEN_EXP_MASK 0x18
2013 #define IEEE80211_HE_MAC_CAP3_AMSDU_FRAG 0x20
2014 #define IEEE80211_HE_MAC_CAP3_FLEX_TWT_SCHED 0x40
2015 #define IEEE80211_HE_MAC_CAP3_RX_CTRL_FRAME_TO_MULTIBSS 0x80
2016
2017 #define IEEE80211_HE_MAC_CAP3_MAX_AMPDU_LEN_EXP_SHIFT 3
2018
2019 #define IEEE80211_HE_MAC_CAP4_BSRP_BQRP_A_MPDU_AGG 0x01
2020 #define IEEE80211_HE_MAC_CAP4_QTP 0x02
2021 #define IEEE80211_HE_MAC_CAP4_BQR 0x04
2022 #define IEEE80211_HE_MAC_CAP4_SRP_RESP 0x08
2023 #define IEEE80211_HE_MAC_CAP4_NDP_FB_REP 0x10
2024 #define IEEE80211_HE_MAC_CAP4_OPS 0x20
2025 #define IEEE80211_HE_MAC_CAP4_AMDSU_IN_AMPDU 0x40
2026 /* Multi TID agg TX is split between byte #4 and #5
2027 * The value is a combination of B39,B40,B41
2028 */
2029 #define IEEE80211_HE_MAC_CAP4_MULTI_TID_AGG_TX_QOS_B39 0x80
2030
2031 #define IEEE80211_HE_MAC_CAP5_MULTI_TID_AGG_TX_QOS_B40 0x01
2032 #define IEEE80211_HE_MAC_CAP5_MULTI_TID_AGG_TX_QOS_B41 0x02
2033 #define IEEE80211_HE_MAC_CAP5_SUBCHAN_SELECVITE_TRANSMISSION 0x04
2034 #define IEEE80211_HE_MAC_CAP5_UL_2x996_TONE_RU 0x08
2035 #define IEEE80211_HE_MAC_CAP5_OM_CTRL_UL_MU_DATA_DIS_RX 0x10
2036 #define IEEE80211_HE_MAC_CAP5_HE_DYNAMIC_SM_PS 0x20
2037 #define IEEE80211_HE_MAC_CAP5_PUNCTURED_SOUNDING 0x40
2038 #define IEEE80211_HE_MAC_CAP5_HT_VHT_TRIG_FRAME_RX 0x80
2039
2040 #define IEEE80211_HE_VHT_MAX_AMPDU_FACTOR 20
2041 #define IEEE80211_HE_HT_MAX_AMPDU_FACTOR 16
2042
2043 /* 802.11ax HE PHY capabilities */
2044 #define IEEE80211_HE_PHY_CAP0_CHANNEL_WIDTH_SET_40MHZ_IN_2G 0x02
2045 #define IEEE80211_HE_PHY_CAP0_CHANNEL_WIDTH_SET_40MHZ_80MHZ_IN_5G 0x04
2046 #define IEEE80211_HE_PHY_CAP0_CHANNEL_WIDTH_SET_160MHZ_IN_5G 0x08
2047 #define IEEE80211_HE_PHY_CAP0_CHANNEL_WIDTH_SET_80PLUS80_MHZ_IN_5G 0x10
2048 #define IEEE80211_HE_PHY_CAP0_CHANNEL_WIDTH_SET_RU_MAPPING_IN_2G 0x20
2049 #define IEEE80211_HE_PHY_CAP0_CHANNEL_WIDTH_SET_RU_MAPPING_IN_5G 0x40
2050 #define IEEE80211_HE_PHY_CAP0_CHANNEL_WIDTH_SET_MASK 0xfe
2051
2052 #define IEEE80211_HE_PHY_CAP1_PREAMBLE_PUNC_RX_80MHZ_ONLY_SECOND_20MHZ 0x01
2053 #define IEEE80211_HE_PHY_CAP1_PREAMBLE_PUNC_RX_80MHZ_ONLY_SECOND_40MHZ 0x02
2054 #define IEEE80211_HE_PHY_CAP1_PREAMBLE_PUNC_RX_160MHZ_ONLY_SECOND_20MHZ 0x04
2055 #define IEEE80211_HE_PHY_CAP1_PREAMBLE_PUNC_RX_160MHZ_ONLY_SECOND_40MHZ 0x08
2056 #define IEEE80211_HE_PHY_CAP1_PREAMBLE_PUNC_RX_MASK 0x0f
2057 #define IEEE80211_HE_PHY_CAP1_DEVICE_CLASS_A 0x10
2058 #define IEEE80211_HE_PHY_CAP1_LDPC_CODING_IN_PAYLOAD 0x20
2059 #define IEEE80211_HE_PHY_CAP1_HE_LTF_AND_GI_FOR_HE_PPDUS_0_8US 0x40
2060 /* Midamble RX/TX Max NSTS is split between byte #2 and byte #3 */
2061 #define IEEE80211_HE_PHY_CAP1_MIDAMBLE_RX_TX_MAX_NSTS 0x80
2062
2063 #define IEEE80211_HE_PHY_CAP2_MIDAMBLE_RX_TX_MAX_NSTS 0x01
2064 #define IEEE80211_HE_PHY_CAP2_NDP_4x_LTF_AND_3_2US 0x02
2065 #define IEEE80211_HE_PHY_CAP2_STBC_TX_UNDER_80MHZ 0x04
2066 #define IEEE80211_HE_PHY_CAP2_STBC_RX_UNDER_80MHZ 0x08
2067 #define IEEE80211_HE_PHY_CAP2_DOPPLER_TX 0x10
2068 #define IEEE80211_HE_PHY_CAP2_DOPPLER_RX 0x20
2069
2070 /* Note that the meaning of UL MU below is different between an AP and a non-AP
2071 * sta, where in the AP case it indicates support for Rx and in the non-AP sta
2072 * case it indicates support for Tx.
2073 */
2074 #define IEEE80211_HE_PHY_CAP2_UL_MU_FULL_MU_MIMO 0x40
2075 #define IEEE80211_HE_PHY_CAP2_UL_MU_PARTIAL_MU_MIMO 0x80
2076
2077 #define IEEE80211_HE_PHY_CAP3_DCM_MAX_CONST_TX_NO_DCM 0x00
2078 #define IEEE80211_HE_PHY_CAP3_DCM_MAX_CONST_TX_BPSK 0x01
2079 #define IEEE80211_HE_PHY_CAP3_DCM_MAX_CONST_TX_QPSK 0x02
2080 #define IEEE80211_HE_PHY_CAP3_DCM_MAX_CONST_TX_16_QAM 0x03
2081 #define IEEE80211_HE_PHY_CAP3_DCM_MAX_CONST_TX_MASK 0x03
2082 #define IEEE80211_HE_PHY_CAP3_DCM_MAX_TX_NSS_1 0x00
2083 #define IEEE80211_HE_PHY_CAP3_DCM_MAX_TX_NSS_2 0x04
2084 #define IEEE80211_HE_PHY_CAP3_DCM_MAX_CONST_RX_NO_DCM 0x00
2085 #define IEEE80211_HE_PHY_CAP3_DCM_MAX_CONST_RX_BPSK 0x08
2086 #define IEEE80211_HE_PHY_CAP3_DCM_MAX_CONST_RX_QPSK 0x10
2087 #define IEEE80211_HE_PHY_CAP3_DCM_MAX_CONST_RX_16_QAM 0x18
2088 #define IEEE80211_HE_PHY_CAP3_DCM_MAX_CONST_RX_MASK 0x18
2089 #define IEEE80211_HE_PHY_CAP3_DCM_MAX_RX_NSS_1 0x00
2090 #define IEEE80211_HE_PHY_CAP3_DCM_MAX_RX_NSS_2 0x20
2091 #define IEEE80211_HE_PHY_CAP3_RX_HE_MU_PPDU_FROM_NON_AP_STA 0x40
2092 #define IEEE80211_HE_PHY_CAP3_SU_BEAMFORMER 0x80
2093
2094 #define IEEE80211_HE_PHY_CAP4_SU_BEAMFORMEE 0x01
2095 #define IEEE80211_HE_PHY_CAP4_MU_BEAMFORMER 0x02
2096
2097 /* Minimal allowed value of Max STS under 80MHz is 3 */
2098 #define IEEE80211_HE_PHY_CAP4_BEAMFORMEE_MAX_STS_UNDER_80MHZ_4 0x0c
2099 #define IEEE80211_HE_PHY_CAP4_BEAMFORMEE_MAX_STS_UNDER_80MHZ_5 0x10
2100 #define IEEE80211_HE_PHY_CAP4_BEAMFORMEE_MAX_STS_UNDER_80MHZ_6 0x14
2101 #define IEEE80211_HE_PHY_CAP4_BEAMFORMEE_MAX_STS_UNDER_80MHZ_7 0x18
2102 #define IEEE80211_HE_PHY_CAP4_BEAMFORMEE_MAX_STS_UNDER_80MHZ_8 0x1c
2103 #define IEEE80211_HE_PHY_CAP4_BEAMFORMEE_MAX_STS_UNDER_80MHZ_MASK 0x1c
2104
2105 /* Minimal allowed value of Max STS above 80MHz is 3 */
2106 #define IEEE80211_HE_PHY_CAP4_BEAMFORMEE_MAX_STS_ABOVE_80MHZ_4 0x60
2107 #define IEEE80211_HE_PHY_CAP4_BEAMFORMEE_MAX_STS_ABOVE_80MHZ_5 0x80
2108 #define IEEE80211_HE_PHY_CAP4_BEAMFORMEE_MAX_STS_ABOVE_80MHZ_6 0xa0
2109 #define IEEE80211_HE_PHY_CAP4_BEAMFORMEE_MAX_STS_ABOVE_80MHZ_7 0xc0
2110 #define IEEE80211_HE_PHY_CAP4_BEAMFORMEE_MAX_STS_ABOVE_80MHZ_8 0xe0
2111 #define IEEE80211_HE_PHY_CAP4_BEAMFORMEE_MAX_STS_ABOVE_80MHZ_MASK 0xe0
2112
2113 #define IEEE80211_HE_PHY_CAP5_BEAMFORMEE_NUM_SND_DIM_UNDER_80MHZ_1 0x00
2114 #define IEEE80211_HE_PHY_CAP5_BEAMFORMEE_NUM_SND_DIM_UNDER_80MHZ_2 0x01
2115 #define IEEE80211_HE_PHY_CAP5_BEAMFORMEE_NUM_SND_DIM_UNDER_80MHZ_3 0x02
2116 #define IEEE80211_HE_PHY_CAP5_BEAMFORMEE_NUM_SND_DIM_UNDER_80MHZ_4 0x03
2117 #define IEEE80211_HE_PHY_CAP5_BEAMFORMEE_NUM_SND_DIM_UNDER_80MHZ_5 0x04
2118 #define IEEE80211_HE_PHY_CAP5_BEAMFORMEE_NUM_SND_DIM_UNDER_80MHZ_6 0x05
2119 #define IEEE80211_HE_PHY_CAP5_BEAMFORMEE_NUM_SND_DIM_UNDER_80MHZ_7 0x06
2120 #define IEEE80211_HE_PHY_CAP5_BEAMFORMEE_NUM_SND_DIM_UNDER_80MHZ_8 0x07
2121 #define IEEE80211_HE_PHY_CAP5_BEAMFORMEE_NUM_SND_DIM_UNDER_80MHZ_MASK 0x07
2122
2123 #define IEEE80211_HE_PHY_CAP5_BEAMFORMEE_NUM_SND_DIM_ABOVE_80MHZ_1 0x00
2124 #define IEEE80211_HE_PHY_CAP5_BEAMFORMEE_NUM_SND_DIM_ABOVE_80MHZ_2 0x08
2125 #define IEEE80211_HE_PHY_CAP5_BEAMFORMEE_NUM_SND_DIM_ABOVE_80MHZ_3 0x10
2126 #define IEEE80211_HE_PHY_CAP5_BEAMFORMEE_NUM_SND_DIM_ABOVE_80MHZ_4 0x18
2127 #define IEEE80211_HE_PHY_CAP5_BEAMFORMEE_NUM_SND_DIM_ABOVE_80MHZ_5 0x20
2128 #define IEEE80211_HE_PHY_CAP5_BEAMFORMEE_NUM_SND_DIM_ABOVE_80MHZ_6 0x28
2129 #define IEEE80211_HE_PHY_CAP5_BEAMFORMEE_NUM_SND_DIM_ABOVE_80MHZ_7 0x30
2130 #define IEEE80211_HE_PHY_CAP5_BEAMFORMEE_NUM_SND_DIM_ABOVE_80MHZ_8 0x38
2131 #define IEEE80211_HE_PHY_CAP5_BEAMFORMEE_NUM_SND_DIM_ABOVE_80MHZ_MASK 0x38
2132
2133 #define IEEE80211_HE_PHY_CAP5_NG16_SU_FEEDBACK 0x40
2134 #define IEEE80211_HE_PHY_CAP5_NG16_MU_FEEDBACK 0x80
2135
2136 #define IEEE80211_HE_PHY_CAP6_CODEBOOK_SIZE_42_SU 0x01
2137 #define IEEE80211_HE_PHY_CAP6_CODEBOOK_SIZE_75_MU 0x02
2138 #define IEEE80211_HE_PHY_CAP6_TRIG_SU_BEAMFORMER_FB 0x04
2139 #define IEEE80211_HE_PHY_CAP6_TRIG_MU_BEAMFORMER_FB 0x08
2140 #define IEEE80211_HE_PHY_CAP6_TRIG_CQI_FB 0x10
2141 #define IEEE80211_HE_PHY_CAP6_PARTIAL_BW_EXT_RANGE 0x20
2142 #define IEEE80211_HE_PHY_CAP6_PARTIAL_BANDWIDTH_DL_MUMIMO 0x40
2143 #define IEEE80211_HE_PHY_CAP6_PPE_THRESHOLD_PRESENT 0x80
2144
2145 #define IEEE80211_HE_PHY_CAP7_SRP_BASED_SR 0x01
2146 #define IEEE80211_HE_PHY_CAP7_POWER_BOOST_FACTOR_AR 0x02
2147 #define IEEE80211_HE_PHY_CAP7_HE_SU_MU_PPDU_4XLTF_AND_08_US_GI 0x04
2148 #define IEEE80211_HE_PHY_CAP7_MAX_NC_1 0x08
2149 #define IEEE80211_HE_PHY_CAP7_MAX_NC_2 0x10
2150 #define IEEE80211_HE_PHY_CAP7_MAX_NC_3 0x18
2151 #define IEEE80211_HE_PHY_CAP7_MAX_NC_4 0x20
2152 #define IEEE80211_HE_PHY_CAP7_MAX_NC_5 0x28
2153 #define IEEE80211_HE_PHY_CAP7_MAX_NC_6 0x30
2154 #define IEEE80211_HE_PHY_CAP7_MAX_NC_7 0x38
2155 #define IEEE80211_HE_PHY_CAP7_MAX_NC_MASK 0x38
2156 #define IEEE80211_HE_PHY_CAP7_STBC_TX_ABOVE_80MHZ 0x40
2157 #define IEEE80211_HE_PHY_CAP7_STBC_RX_ABOVE_80MHZ 0x80
2158
2159 #define IEEE80211_HE_PHY_CAP8_HE_ER_SU_PPDU_4XLTF_AND_08_US_GI 0x01
2160 #define IEEE80211_HE_PHY_CAP8_20MHZ_IN_40MHZ_HE_PPDU_IN_2G 0x02
2161 #define IEEE80211_HE_PHY_CAP8_20MHZ_IN_160MHZ_HE_PPDU 0x04
2162 #define IEEE80211_HE_PHY_CAP8_80MHZ_IN_160MHZ_HE_PPDU 0x08
2163 #define IEEE80211_HE_PHY_CAP8_HE_ER_SU_1XLTF_AND_08_US_GI 0x10
2164 #define IEEE80211_HE_PHY_CAP8_MIDAMBLE_RX_TX_2X_AND_1XLTF 0x20
2165 #define IEEE80211_HE_PHY_CAP8_DCM_MAX_RU_242 0x00
2166 #define IEEE80211_HE_PHY_CAP8_DCM_MAX_RU_484 0x40
2167 #define IEEE80211_HE_PHY_CAP8_DCM_MAX_RU_996 0x80
2168 #define IEEE80211_HE_PHY_CAP8_DCM_MAX_RU_2x996 0xc0
2169 #define IEEE80211_HE_PHY_CAP8_DCM_MAX_RU_MASK 0xc0
2170
2171 #define IEEE80211_HE_PHY_CAP9_LONGER_THAN_16_SIGB_OFDM_SYM 0x01
2172 #define IEEE80211_HE_PHY_CAP9_NON_TRIGGERED_CQI_FEEDBACK 0x02
2173 #define IEEE80211_HE_PHY_CAP9_TX_1024_QAM_LESS_THAN_242_TONE_RU 0x04
2174 #define IEEE80211_HE_PHY_CAP9_RX_1024_QAM_LESS_THAN_242_TONE_RU 0x08
2175 #define IEEE80211_HE_PHY_CAP9_RX_FULL_BW_SU_USING_MU_WITH_COMP_SIGB 0x10
2176 #define IEEE80211_HE_PHY_CAP9_RX_FULL_BW_SU_USING_MU_WITH_NON_COMP_SIGB 0x20
2177 #define IEEE80211_HE_PHY_CAP9_NOMIMAL_PKT_PADDING_0US 0x00
2178 #define IEEE80211_HE_PHY_CAP9_NOMIMAL_PKT_PADDING_8US 0x40
2179 #define IEEE80211_HE_PHY_CAP9_NOMIMAL_PKT_PADDING_16US 0x80
2180 #define IEEE80211_HE_PHY_CAP9_NOMIMAL_PKT_PADDING_RESERVED 0xc0
2181 #define IEEE80211_HE_PHY_CAP9_NOMIMAL_PKT_PADDING_MASK 0xc0
2182
2183 /* 802.11ax HE TX/RX MCS NSS Support */
2184 #define IEEE80211_TX_RX_MCS_NSS_SUPP_HIGHEST_MCS_POS (3)
2185 #define IEEE80211_TX_RX_MCS_NSS_SUPP_TX_BITMAP_POS (6)
2186 #define IEEE80211_TX_RX_MCS_NSS_SUPP_RX_BITMAP_POS (11)
2187 #define IEEE80211_TX_RX_MCS_NSS_SUPP_TX_BITMAP_MASK 0x07c0
2188 #define IEEE80211_TX_RX_MCS_NSS_SUPP_RX_BITMAP_MASK 0xf800
2189
2190 /* TX/RX HE MCS Support field Highest MCS subfield encoding */
2191 enum ieee80211_he_highest_mcs_supported_subfield_enc {
2192 HIGHEST_MCS_SUPPORTED_MCS7 = 0,
2193 HIGHEST_MCS_SUPPORTED_MCS8,
2194 HIGHEST_MCS_SUPPORTED_MCS9,
2195 HIGHEST_MCS_SUPPORTED_MCS10,
2196 HIGHEST_MCS_SUPPORTED_MCS11,
2197 };
2198
2199 /* Calculate 802.11ax HE capabilities IE Tx/Rx HE MCS NSS Support Field size */
2200 static inline u8
ieee80211_he_mcs_nss_size(const struct ieee80211_he_cap_elem * he_cap)2201 ieee80211_he_mcs_nss_size(const struct ieee80211_he_cap_elem *he_cap)
2202 {
2203 u8 count = 4;
2204
2205 if (he_cap->phy_cap_info[0] &
2206 IEEE80211_HE_PHY_CAP0_CHANNEL_WIDTH_SET_160MHZ_IN_5G)
2207 count += 4;
2208
2209 if (he_cap->phy_cap_info[0] &
2210 IEEE80211_HE_PHY_CAP0_CHANNEL_WIDTH_SET_80PLUS80_MHZ_IN_5G)
2211 count += 4;
2212
2213 return count;
2214 }
2215
2216 /* 802.11ax HE PPE Thresholds */
2217 #define IEEE80211_PPE_THRES_NSS_SUPPORT_2NSS (1)
2218 #define IEEE80211_PPE_THRES_NSS_POS (0)
2219 #define IEEE80211_PPE_THRES_NSS_MASK (7)
2220 #define IEEE80211_PPE_THRES_RU_INDEX_BITMASK_2x966_AND_966_RU \
2221 (BIT(5) | BIT(6))
2222 #define IEEE80211_PPE_THRES_RU_INDEX_BITMASK_MASK 0x78
2223 #define IEEE80211_PPE_THRES_RU_INDEX_BITMASK_POS (3)
2224 #define IEEE80211_PPE_THRES_INFO_PPET_SIZE (3)
2225
2226 /*
2227 * Calculate 802.11ax HE capabilities IE PPE field size
2228 * Input: Header byte of ppe_thres (first byte), and HE capa IE's PHY cap u8*
2229 */
2230 static inline u8
ieee80211_he_ppe_size(u8 ppe_thres_hdr,const u8 * phy_cap_info)2231 ieee80211_he_ppe_size(u8 ppe_thres_hdr, const u8 *phy_cap_info)
2232 {
2233 u8 n;
2234
2235 if ((phy_cap_info[6] &
2236 IEEE80211_HE_PHY_CAP6_PPE_THRESHOLD_PRESENT) == 0)
2237 return 0;
2238
2239 n = hweight8(ppe_thres_hdr &
2240 IEEE80211_PPE_THRES_RU_INDEX_BITMASK_MASK);
2241 n *= (1 + ((ppe_thres_hdr & IEEE80211_PPE_THRES_NSS_MASK) >>
2242 IEEE80211_PPE_THRES_NSS_POS));
2243
2244 /*
2245 * Each pair is 6 bits, and we need to add the 7 "header" bits to the
2246 * total size.
2247 */
2248 n = (n * IEEE80211_PPE_THRES_INFO_PPET_SIZE * 2) + 7;
2249 n = DIV_ROUND_UP(n, 8);
2250
2251 return n;
2252 }
2253
2254 /* HE Operation defines */
2255 #define IEEE80211_HE_OPERATION_DFLT_PE_DURATION_MASK 0x00000007
2256 #define IEEE80211_HE_OPERATION_TWT_REQUIRED 0x00000008
2257 #define IEEE80211_HE_OPERATION_RTS_THRESHOLD_MASK 0x00003ff0
2258 #define IEEE80211_HE_OPERATION_RTS_THRESHOLD_OFFSET 4
2259 #define IEEE80211_HE_OPERATION_VHT_OPER_INFO 0x00004000
2260 #define IEEE80211_HE_OPERATION_CO_HOSTED_BSS 0x00008000
2261 #define IEEE80211_HE_OPERATION_ER_SU_DISABLE 0x00010000
2262 #define IEEE80211_HE_OPERATION_6GHZ_OP_INFO 0x00020000
2263 #define IEEE80211_HE_OPERATION_BSS_COLOR_MASK 0x3f000000
2264 #define IEEE80211_HE_OPERATION_BSS_COLOR_OFFSET 24
2265 #define IEEE80211_HE_OPERATION_PARTIAL_BSS_COLOR 0x40000000
2266 #define IEEE80211_HE_OPERATION_BSS_COLOR_DISABLED 0x80000000
2267
2268 /**
2269 * ieee80211_he_6ghz_oper - HE 6 GHz operation Information field
2270 * @primary: primary channel
2271 * @control: control flags
2272 * @ccfs0: channel center frequency segment 0
2273 * @ccfs1: channel center frequency segment 1
2274 * @minrate: minimum rate (in 1 Mbps units)
2275 */
2276 struct ieee80211_he_6ghz_oper {
2277 u8 primary;
2278 #define IEEE80211_HE_6GHZ_OPER_CTRL_CHANWIDTH 0x3
2279 #define IEEE80211_HE_6GHZ_OPER_CTRL_CHANWIDTH_20MHZ 0
2280 #define IEEE80211_HE_6GHZ_OPER_CTRL_CHANWIDTH_40MHZ 1
2281 #define IEEE80211_HE_6GHZ_OPER_CTRL_CHANWIDTH_80MHZ 2
2282 #define IEEE80211_HE_6GHZ_OPER_CTRL_CHANWIDTH_160MHZ 3
2283 #define IEEE80211_HE_6GHZ_OPER_CTRL_DUP_BEACON 0x4
2284 u8 control;
2285 u8 ccfs0;
2286 u8 ccfs1;
2287 u8 minrate;
2288 } __packed;
2289
2290 /*
2291 * ieee80211_he_oper_size - calculate 802.11ax HE Operations IE size
2292 * @he_oper_ie: byte data of the He Operations IE, stating from the byte
2293 * after the ext ID byte. It is assumed that he_oper_ie has at least
2294 * sizeof(struct ieee80211_he_operation) bytes, the caller must have
2295 * validated this.
2296 * @return the actual size of the IE data (not including header), or 0 on error
2297 */
2298 static inline u8
ieee80211_he_oper_size(const u8 * he_oper_ie)2299 ieee80211_he_oper_size(const u8 *he_oper_ie)
2300 {
2301 struct ieee80211_he_operation *he_oper = (void *)he_oper_ie;
2302 u8 oper_len = sizeof(struct ieee80211_he_operation);
2303 u32 he_oper_params;
2304
2305 /* Make sure the input is not NULL */
2306 if (!he_oper_ie)
2307 return 0;
2308
2309 /* Calc required length */
2310 he_oper_params = le32_to_cpu(he_oper->he_oper_params);
2311 if (he_oper_params & IEEE80211_HE_OPERATION_VHT_OPER_INFO)
2312 oper_len += 3;
2313 if (he_oper_params & IEEE80211_HE_OPERATION_CO_HOSTED_BSS)
2314 oper_len++;
2315 if (he_oper_params & IEEE80211_HE_OPERATION_6GHZ_OP_INFO)
2316 oper_len += sizeof(struct ieee80211_he_6ghz_oper);
2317
2318 /* Add the first byte (extension ID) to the total length */
2319 oper_len++;
2320
2321 return oper_len;
2322 }
2323
2324 /**
2325 * ieee80211_he_6ghz_oper - obtain 6 GHz operation field
2326 * @he_oper: HE operation element (must be pre-validated for size)
2327 * but may be %NULL
2328 *
2329 * Return: a pointer to the 6 GHz operation field, or %NULL
2330 */
2331 static inline const struct ieee80211_he_6ghz_oper *
ieee80211_he_6ghz_oper(const struct ieee80211_he_operation * he_oper)2332 ieee80211_he_6ghz_oper(const struct ieee80211_he_operation *he_oper)
2333 {
2334 const u8 *ret = (void *)&he_oper->optional;
2335 u32 he_oper_params;
2336
2337 if (!he_oper)
2338 return NULL;
2339
2340 he_oper_params = le32_to_cpu(he_oper->he_oper_params);
2341
2342 if (!(he_oper_params & IEEE80211_HE_OPERATION_6GHZ_OP_INFO))
2343 return NULL;
2344 if (he_oper_params & IEEE80211_HE_OPERATION_VHT_OPER_INFO)
2345 ret += 3;
2346 if (he_oper_params & IEEE80211_HE_OPERATION_CO_HOSTED_BSS)
2347 ret++;
2348
2349 return (void *)ret;
2350 }
2351
2352 /* HE Spatial Reuse defines */
2353 #define IEEE80211_HE_SPR_PSR_DISALLOWED BIT(0)
2354 #define IEEE80211_HE_SPR_NON_SRG_OBSS_PD_SR_DISALLOWED BIT(1)
2355 #define IEEE80211_HE_SPR_NON_SRG_OFFSET_PRESENT BIT(2)
2356 #define IEEE80211_HE_SPR_SRG_INFORMATION_PRESENT BIT(3)
2357 #define IEEE80211_HE_SPR_HESIGA_SR_VAL15_ALLOWED BIT(4)
2358
2359 /*
2360 * ieee80211_he_spr_size - calculate 802.11ax HE Spatial Reuse IE size
2361 * @he_spr_ie: byte data of the He Spatial Reuse IE, stating from the byte
2362 * after the ext ID byte. It is assumed that he_spr_ie has at least
2363 * sizeof(struct ieee80211_he_spr) bytes, the caller must have validated
2364 * this
2365 * @return the actual size of the IE data (not including header), or 0 on error
2366 */
2367 static inline u8
ieee80211_he_spr_size(const u8 * he_spr_ie)2368 ieee80211_he_spr_size(const u8 *he_spr_ie)
2369 {
2370 struct ieee80211_he_spr *he_spr = (void *)he_spr_ie;
2371 u8 spr_len = sizeof(struct ieee80211_he_spr);
2372 u8 he_spr_params;
2373
2374 /* Make sure the input is not NULL */
2375 if (!he_spr_ie)
2376 return 0;
2377
2378 /* Calc required length */
2379 he_spr_params = he_spr->he_sr_control;
2380 if (he_spr_params & IEEE80211_HE_SPR_NON_SRG_OFFSET_PRESENT)
2381 spr_len++;
2382 if (he_spr_params & IEEE80211_HE_SPR_SRG_INFORMATION_PRESENT)
2383 spr_len += 18;
2384
2385 /* Add the first byte (extension ID) to the total length */
2386 spr_len++;
2387
2388 return spr_len;
2389 }
2390
2391 /* S1G Capabilities Information field */
2392 #define IEEE80211_S1G_CAPABILITY_LEN 15
2393
2394 #define S1G_CAP0_S1G_LONG BIT(0)
2395 #define S1G_CAP0_SGI_1MHZ BIT(1)
2396 #define S1G_CAP0_SGI_2MHZ BIT(2)
2397 #define S1G_CAP0_SGI_4MHZ BIT(3)
2398 #define S1G_CAP0_SGI_8MHZ BIT(4)
2399 #define S1G_CAP0_SGI_16MHZ BIT(5)
2400 #define S1G_CAP0_SUPP_CH_WIDTH GENMASK(7, 6)
2401
2402 #define S1G_SUPP_CH_WIDTH_2 0
2403 #define S1G_SUPP_CH_WIDTH_4 1
2404 #define S1G_SUPP_CH_WIDTH_8 2
2405 #define S1G_SUPP_CH_WIDTH_16 3
2406 #define S1G_SUPP_CH_WIDTH_MAX(cap) ((1 << FIELD_GET(S1G_CAP0_SUPP_CH_WIDTH, \
2407 cap[0])) << 1)
2408
2409 #define S1G_CAP1_RX_LDPC BIT(0)
2410 #define S1G_CAP1_TX_STBC BIT(1)
2411 #define S1G_CAP1_RX_STBC BIT(2)
2412 #define S1G_CAP1_SU_BFER BIT(3)
2413 #define S1G_CAP1_SU_BFEE BIT(4)
2414 #define S1G_CAP1_BFEE_STS GENMASK(7, 5)
2415
2416 #define S1G_CAP2_SOUNDING_DIMENSIONS GENMASK(2, 0)
2417 #define S1G_CAP2_MU_BFER BIT(3)
2418 #define S1G_CAP2_MU_BFEE BIT(4)
2419 #define S1G_CAP2_PLUS_HTC_VHT BIT(5)
2420 #define S1G_CAP2_TRAVELING_PILOT GENMASK(7, 6)
2421
2422 #define S1G_CAP3_RD_RESPONDER BIT(0)
2423 #define S1G_CAP3_HT_DELAYED_BA BIT(1)
2424 #define S1G_CAP3_MAX_MPDU_LEN BIT(2)
2425 #define S1G_CAP3_MAX_AMPDU_LEN_EXP GENMASK(4, 3)
2426 #define S1G_CAP3_MIN_MPDU_START GENMASK(7, 5)
2427
2428 #define S1G_CAP4_UPLINK_SYNC BIT(0)
2429 #define S1G_CAP4_DYNAMIC_AID BIT(1)
2430 #define S1G_CAP4_BAT BIT(2)
2431 #define S1G_CAP4_TIME_ADE BIT(3)
2432 #define S1G_CAP4_NON_TIM BIT(4)
2433 #define S1G_CAP4_GROUP_AID BIT(5)
2434 #define S1G_CAP4_STA_TYPE GENMASK(7, 6)
2435
2436 #define S1G_CAP5_CENT_AUTH_CONTROL BIT(0)
2437 #define S1G_CAP5_DIST_AUTH_CONTROL BIT(1)
2438 #define S1G_CAP5_AMSDU BIT(2)
2439 #define S1G_CAP5_AMPDU BIT(3)
2440 #define S1G_CAP5_ASYMMETRIC_BA BIT(4)
2441 #define S1G_CAP5_FLOW_CONTROL BIT(5)
2442 #define S1G_CAP5_SECTORIZED_BEAM GENMASK(7, 6)
2443
2444 #define S1G_CAP6_OBSS_MITIGATION BIT(0)
2445 #define S1G_CAP6_FRAGMENT_BA BIT(1)
2446 #define S1G_CAP6_NDP_PS_POLL BIT(2)
2447 #define S1G_CAP6_RAW_OPERATION BIT(3)
2448 #define S1G_CAP6_PAGE_SLICING BIT(4)
2449 #define S1G_CAP6_TXOP_SHARING_IMP_ACK BIT(5)
2450 #define S1G_CAP6_VHT_LINK_ADAPT GENMASK(7, 6)
2451
2452 #define S1G_CAP7_TACK_AS_PS_POLL BIT(0)
2453 #define S1G_CAP7_DUP_1MHZ BIT(1)
2454 #define S1G_CAP7_MCS_NEGOTIATION BIT(2)
2455 #define S1G_CAP7_1MHZ_CTL_RESPONSE_PREAMBLE BIT(3)
2456 #define S1G_CAP7_NDP_BFING_REPORT_POLL BIT(4)
2457 #define S1G_CAP7_UNSOLICITED_DYN_AID BIT(5)
2458 #define S1G_CAP7_SECTOR_TRAINING_OPERATION BIT(6)
2459 #define S1G_CAP7_TEMP_PS_MODE_SWITCH BIT(7)
2460
2461 #define S1G_CAP8_TWT_GROUPING BIT(0)
2462 #define S1G_CAP8_BDT BIT(1)
2463 #define S1G_CAP8_COLOR GENMASK(4, 2)
2464 #define S1G_CAP8_TWT_REQUEST BIT(5)
2465 #define S1G_CAP8_TWT_RESPOND BIT(6)
2466 #define S1G_CAP8_PV1_FRAME BIT(7)
2467
2468 #define S1G_CAP9_LINK_ADAPT_PER_CONTROL_RESPONSE BIT(0)
2469
2470 #define S1G_OPER_CH_WIDTH_PRIMARY_1MHZ BIT(0)
2471 #define S1G_OPER_CH_WIDTH_OPER GENMASK(4, 1)
2472
2473
2474 #define LISTEN_INT_USF GENMASK(15, 14)
2475 #define LISTEN_INT_UI GENMASK(13, 0)
2476
2477 #define IEEE80211_MAX_USF FIELD_MAX(LISTEN_INT_USF)
2478 #define IEEE80211_MAX_UI FIELD_MAX(LISTEN_INT_UI)
2479
2480 /* Authentication algorithms */
2481 #define WLAN_AUTH_OPEN 0
2482 #define WLAN_AUTH_SHARED_KEY 1
2483 #define WLAN_AUTH_FT 2
2484 #define WLAN_AUTH_SAE 3
2485 #define WLAN_AUTH_FILS_SK 4
2486 #define WLAN_AUTH_FILS_SK_PFS 5
2487 #define WLAN_AUTH_FILS_PK 6
2488 #define WLAN_AUTH_LEAP 128
2489
2490 #define WLAN_AUTH_CHALLENGE_LEN 128
2491
2492 #define WLAN_CAPABILITY_ESS (1<<0)
2493 #define WLAN_CAPABILITY_IBSS (1<<1)
2494
2495 /*
2496 * A mesh STA sets the ESS and IBSS capability bits to zero.
2497 * however, this holds true for p2p probe responses (in the p2p_find
2498 * phase) as well.
2499 */
2500 #define WLAN_CAPABILITY_IS_STA_BSS(cap) \
2501 (!((cap) & (WLAN_CAPABILITY_ESS | WLAN_CAPABILITY_IBSS)))
2502
2503 #define WLAN_CAPABILITY_CF_POLLABLE (1<<2)
2504 #define WLAN_CAPABILITY_CF_POLL_REQUEST (1<<3)
2505 #define WLAN_CAPABILITY_PRIVACY (1<<4)
2506 #define WLAN_CAPABILITY_SHORT_PREAMBLE (1<<5)
2507 #define WLAN_CAPABILITY_PBCC (1<<6)
2508 #define WLAN_CAPABILITY_CHANNEL_AGILITY (1<<7)
2509
2510 /* 802.11h */
2511 #define WLAN_CAPABILITY_SPECTRUM_MGMT (1<<8)
2512 #define WLAN_CAPABILITY_QOS (1<<9)
2513 #define WLAN_CAPABILITY_SHORT_SLOT_TIME (1<<10)
2514 #define WLAN_CAPABILITY_APSD (1<<11)
2515 #define WLAN_CAPABILITY_RADIO_MEASURE (1<<12)
2516 #define WLAN_CAPABILITY_DSSS_OFDM (1<<13)
2517 #define WLAN_CAPABILITY_DEL_BACK (1<<14)
2518 #define WLAN_CAPABILITY_IMM_BACK (1<<15)
2519
2520 /* DMG (60gHz) 802.11ad */
2521 /* type - bits 0..1 */
2522 #define WLAN_CAPABILITY_DMG_TYPE_MASK (3<<0)
2523 #define WLAN_CAPABILITY_DMG_TYPE_IBSS (1<<0) /* Tx by: STA */
2524 #define WLAN_CAPABILITY_DMG_TYPE_PBSS (2<<0) /* Tx by: PCP */
2525 #define WLAN_CAPABILITY_DMG_TYPE_AP (3<<0) /* Tx by: AP */
2526
2527 #define WLAN_CAPABILITY_DMG_CBAP_ONLY (1<<2)
2528 #define WLAN_CAPABILITY_DMG_CBAP_SOURCE (1<<3)
2529 #define WLAN_CAPABILITY_DMG_PRIVACY (1<<4)
2530 #define WLAN_CAPABILITY_DMG_ECPAC (1<<5)
2531
2532 #define WLAN_CAPABILITY_DMG_SPECTRUM_MGMT (1<<8)
2533 #define WLAN_CAPABILITY_DMG_RADIO_MEASURE (1<<12)
2534
2535 /* measurement */
2536 #define IEEE80211_SPCT_MSR_RPRT_MODE_LATE (1<<0)
2537 #define IEEE80211_SPCT_MSR_RPRT_MODE_INCAPABLE (1<<1)
2538 #define IEEE80211_SPCT_MSR_RPRT_MODE_REFUSED (1<<2)
2539
2540 #define IEEE80211_SPCT_MSR_RPRT_TYPE_BASIC 0
2541 #define IEEE80211_SPCT_MSR_RPRT_TYPE_CCA 1
2542 #define IEEE80211_SPCT_MSR_RPRT_TYPE_RPI 2
2543 #define IEEE80211_SPCT_MSR_RPRT_TYPE_LCI 8
2544 #define IEEE80211_SPCT_MSR_RPRT_TYPE_CIVIC 11
2545
2546 /* 802.11g ERP information element */
2547 #define WLAN_ERP_NON_ERP_PRESENT (1<<0)
2548 #define WLAN_ERP_USE_PROTECTION (1<<1)
2549 #define WLAN_ERP_BARKER_PREAMBLE (1<<2)
2550
2551 /* WLAN_ERP_BARKER_PREAMBLE values */
2552 enum {
2553 WLAN_ERP_PREAMBLE_SHORT = 0,
2554 WLAN_ERP_PREAMBLE_LONG = 1,
2555 };
2556
2557 /* Band ID, 802.11ad #8.4.1.45 */
2558 enum {
2559 IEEE80211_BANDID_TV_WS = 0, /* TV white spaces */
2560 IEEE80211_BANDID_SUB1 = 1, /* Sub-1 GHz (excluding TV white spaces) */
2561 IEEE80211_BANDID_2G = 2, /* 2.4 GHz */
2562 IEEE80211_BANDID_3G = 3, /* 3.6 GHz */
2563 IEEE80211_BANDID_5G = 4, /* 4.9 and 5 GHz */
2564 IEEE80211_BANDID_60G = 5, /* 60 GHz */
2565 };
2566
2567 /* Status codes */
2568 enum ieee80211_statuscode {
2569 WLAN_STATUS_SUCCESS = 0,
2570 WLAN_STATUS_UNSPECIFIED_FAILURE = 1,
2571 WLAN_STATUS_CAPS_UNSUPPORTED = 10,
2572 WLAN_STATUS_REASSOC_NO_ASSOC = 11,
2573 WLAN_STATUS_ASSOC_DENIED_UNSPEC = 12,
2574 WLAN_STATUS_NOT_SUPPORTED_AUTH_ALG = 13,
2575 WLAN_STATUS_UNKNOWN_AUTH_TRANSACTION = 14,
2576 WLAN_STATUS_CHALLENGE_FAIL = 15,
2577 WLAN_STATUS_AUTH_TIMEOUT = 16,
2578 WLAN_STATUS_AP_UNABLE_TO_HANDLE_NEW_STA = 17,
2579 WLAN_STATUS_ASSOC_DENIED_RATES = 18,
2580 /* 802.11b */
2581 WLAN_STATUS_ASSOC_DENIED_NOSHORTPREAMBLE = 19,
2582 WLAN_STATUS_ASSOC_DENIED_NOPBCC = 20,
2583 WLAN_STATUS_ASSOC_DENIED_NOAGILITY = 21,
2584 /* 802.11h */
2585 WLAN_STATUS_ASSOC_DENIED_NOSPECTRUM = 22,
2586 WLAN_STATUS_ASSOC_REJECTED_BAD_POWER = 23,
2587 WLAN_STATUS_ASSOC_REJECTED_BAD_SUPP_CHAN = 24,
2588 /* 802.11g */
2589 WLAN_STATUS_ASSOC_DENIED_NOSHORTTIME = 25,
2590 WLAN_STATUS_ASSOC_DENIED_NODSSSOFDM = 26,
2591 /* 802.11w */
2592 WLAN_STATUS_ASSOC_REJECTED_TEMPORARILY = 30,
2593 WLAN_STATUS_ROBUST_MGMT_FRAME_POLICY_VIOLATION = 31,
2594 /* 802.11i */
2595 WLAN_STATUS_INVALID_IE = 40,
2596 WLAN_STATUS_INVALID_GROUP_CIPHER = 41,
2597 WLAN_STATUS_INVALID_PAIRWISE_CIPHER = 42,
2598 WLAN_STATUS_INVALID_AKMP = 43,
2599 WLAN_STATUS_UNSUPP_RSN_VERSION = 44,
2600 WLAN_STATUS_INVALID_RSN_IE_CAP = 45,
2601 WLAN_STATUS_CIPHER_SUITE_REJECTED = 46,
2602 /* 802.11e */
2603 WLAN_STATUS_UNSPECIFIED_QOS = 32,
2604 WLAN_STATUS_ASSOC_DENIED_NOBANDWIDTH = 33,
2605 WLAN_STATUS_ASSOC_DENIED_LOWACK = 34,
2606 WLAN_STATUS_ASSOC_DENIED_UNSUPP_QOS = 35,
2607 WLAN_STATUS_REQUEST_DECLINED = 37,
2608 WLAN_STATUS_INVALID_QOS_PARAM = 38,
2609 WLAN_STATUS_CHANGE_TSPEC = 39,
2610 WLAN_STATUS_WAIT_TS_DELAY = 47,
2611 WLAN_STATUS_NO_DIRECT_LINK = 48,
2612 WLAN_STATUS_STA_NOT_PRESENT = 49,
2613 WLAN_STATUS_STA_NOT_QSTA = 50,
2614 /* 802.11s */
2615 WLAN_STATUS_ANTI_CLOG_REQUIRED = 76,
2616 WLAN_STATUS_FCG_NOT_SUPP = 78,
2617 WLAN_STATUS_STA_NO_TBTT = 78,
2618 /* 802.11ad */
2619 WLAN_STATUS_REJECTED_WITH_SUGGESTED_CHANGES = 39,
2620 WLAN_STATUS_REJECTED_FOR_DELAY_PERIOD = 47,
2621 WLAN_STATUS_REJECT_WITH_SCHEDULE = 83,
2622 WLAN_STATUS_PENDING_ADMITTING_FST_SESSION = 86,
2623 WLAN_STATUS_PERFORMING_FST_NOW = 87,
2624 WLAN_STATUS_PENDING_GAP_IN_BA_WINDOW = 88,
2625 WLAN_STATUS_REJECT_U_PID_SETTING = 89,
2626 WLAN_STATUS_REJECT_DSE_BAND = 96,
2627 WLAN_STATUS_DENIED_WITH_SUGGESTED_BAND_AND_CHANNEL = 99,
2628 WLAN_STATUS_DENIED_DUE_TO_SPECTRUM_MANAGEMENT = 103,
2629 /* 802.11ai */
2630 WLAN_STATUS_FILS_AUTHENTICATION_FAILURE = 108,
2631 WLAN_STATUS_UNKNOWN_AUTHENTICATION_SERVER = 109,
2632 WLAN_STATUS_SAE_HASH_TO_ELEMENT = 126,
2633 WLAN_STATUS_SAE_PK = 127,
2634 };
2635
2636
2637 /* Reason codes */
2638 enum ieee80211_reasoncode {
2639 WLAN_REASON_UNSPECIFIED = 1,
2640 WLAN_REASON_PREV_AUTH_NOT_VALID = 2,
2641 WLAN_REASON_DEAUTH_LEAVING = 3,
2642 WLAN_REASON_DISASSOC_DUE_TO_INACTIVITY = 4,
2643 WLAN_REASON_DISASSOC_AP_BUSY = 5,
2644 WLAN_REASON_CLASS2_FRAME_FROM_NONAUTH_STA = 6,
2645 WLAN_REASON_CLASS3_FRAME_FROM_NONASSOC_STA = 7,
2646 WLAN_REASON_DISASSOC_STA_HAS_LEFT = 8,
2647 WLAN_REASON_STA_REQ_ASSOC_WITHOUT_AUTH = 9,
2648 /* 802.11h */
2649 WLAN_REASON_DISASSOC_BAD_POWER = 10,
2650 WLAN_REASON_DISASSOC_BAD_SUPP_CHAN = 11,
2651 /* 802.11i */
2652 WLAN_REASON_INVALID_IE = 13,
2653 WLAN_REASON_MIC_FAILURE = 14,
2654 WLAN_REASON_4WAY_HANDSHAKE_TIMEOUT = 15,
2655 WLAN_REASON_GROUP_KEY_HANDSHAKE_TIMEOUT = 16,
2656 WLAN_REASON_IE_DIFFERENT = 17,
2657 WLAN_REASON_INVALID_GROUP_CIPHER = 18,
2658 WLAN_REASON_INVALID_PAIRWISE_CIPHER = 19,
2659 WLAN_REASON_INVALID_AKMP = 20,
2660 WLAN_REASON_UNSUPP_RSN_VERSION = 21,
2661 WLAN_REASON_INVALID_RSN_IE_CAP = 22,
2662 WLAN_REASON_IEEE8021X_FAILED = 23,
2663 WLAN_REASON_CIPHER_SUITE_REJECTED = 24,
2664 /* TDLS (802.11z) */
2665 WLAN_REASON_TDLS_TEARDOWN_UNREACHABLE = 25,
2666 WLAN_REASON_TDLS_TEARDOWN_UNSPECIFIED = 26,
2667 /* 802.11e */
2668 WLAN_REASON_DISASSOC_UNSPECIFIED_QOS = 32,
2669 WLAN_REASON_DISASSOC_QAP_NO_BANDWIDTH = 33,
2670 WLAN_REASON_DISASSOC_LOW_ACK = 34,
2671 WLAN_REASON_DISASSOC_QAP_EXCEED_TXOP = 35,
2672 WLAN_REASON_QSTA_LEAVE_QBSS = 36,
2673 WLAN_REASON_QSTA_NOT_USE = 37,
2674 WLAN_REASON_QSTA_REQUIRE_SETUP = 38,
2675 WLAN_REASON_QSTA_TIMEOUT = 39,
2676 WLAN_REASON_QSTA_CIPHER_NOT_SUPP = 45,
2677 /* 802.11s */
2678 WLAN_REASON_MESH_PEER_CANCELED = 52,
2679 WLAN_REASON_MESH_MAX_PEERS = 53,
2680 WLAN_REASON_MESH_CONFIG = 54,
2681 WLAN_REASON_MESH_CLOSE = 55,
2682 WLAN_REASON_MESH_MAX_RETRIES = 56,
2683 WLAN_REASON_MESH_CONFIRM_TIMEOUT = 57,
2684 WLAN_REASON_MESH_INVALID_GTK = 58,
2685 WLAN_REASON_MESH_INCONSISTENT_PARAM = 59,
2686 WLAN_REASON_MESH_INVALID_SECURITY = 60,
2687 WLAN_REASON_MESH_PATH_ERROR = 61,
2688 WLAN_REASON_MESH_PATH_NOFORWARD = 62,
2689 WLAN_REASON_MESH_PATH_DEST_UNREACHABLE = 63,
2690 WLAN_REASON_MAC_EXISTS_IN_MBSS = 64,
2691 WLAN_REASON_MESH_CHAN_REGULATORY = 65,
2692 WLAN_REASON_MESH_CHAN = 66,
2693 };
2694
2695
2696 /* Information Element IDs */
2697 enum ieee80211_eid {
2698 WLAN_EID_SSID = 0,
2699 WLAN_EID_SUPP_RATES = 1,
2700 WLAN_EID_FH_PARAMS = 2, /* reserved now */
2701 WLAN_EID_DS_PARAMS = 3,
2702 WLAN_EID_CF_PARAMS = 4,
2703 WLAN_EID_TIM = 5,
2704 WLAN_EID_IBSS_PARAMS = 6,
2705 WLAN_EID_COUNTRY = 7,
2706 /* 8, 9 reserved */
2707 WLAN_EID_REQUEST = 10,
2708 WLAN_EID_QBSS_LOAD = 11,
2709 WLAN_EID_EDCA_PARAM_SET = 12,
2710 WLAN_EID_TSPEC = 13,
2711 WLAN_EID_TCLAS = 14,
2712 WLAN_EID_SCHEDULE = 15,
2713 WLAN_EID_CHALLENGE = 16,
2714 /* 17-31 reserved for challenge text extension */
2715 WLAN_EID_PWR_CONSTRAINT = 32,
2716 WLAN_EID_PWR_CAPABILITY = 33,
2717 WLAN_EID_TPC_REQUEST = 34,
2718 WLAN_EID_TPC_REPORT = 35,
2719 WLAN_EID_SUPPORTED_CHANNELS = 36,
2720 WLAN_EID_CHANNEL_SWITCH = 37,
2721 WLAN_EID_MEASURE_REQUEST = 38,
2722 WLAN_EID_MEASURE_REPORT = 39,
2723 WLAN_EID_QUIET = 40,
2724 WLAN_EID_IBSS_DFS = 41,
2725 WLAN_EID_ERP_INFO = 42,
2726 WLAN_EID_TS_DELAY = 43,
2727 WLAN_EID_TCLAS_PROCESSING = 44,
2728 WLAN_EID_HT_CAPABILITY = 45,
2729 WLAN_EID_QOS_CAPA = 46,
2730 /* 47 reserved for Broadcom */
2731 WLAN_EID_RSN = 48,
2732 WLAN_EID_802_15_COEX = 49,
2733 WLAN_EID_EXT_SUPP_RATES = 50,
2734 WLAN_EID_AP_CHAN_REPORT = 51,
2735 WLAN_EID_NEIGHBOR_REPORT = 52,
2736 WLAN_EID_RCPI = 53,
2737 WLAN_EID_MOBILITY_DOMAIN = 54,
2738 WLAN_EID_FAST_BSS_TRANSITION = 55,
2739 WLAN_EID_TIMEOUT_INTERVAL = 56,
2740 WLAN_EID_RIC_DATA = 57,
2741 WLAN_EID_DSE_REGISTERED_LOCATION = 58,
2742 WLAN_EID_SUPPORTED_REGULATORY_CLASSES = 59,
2743 WLAN_EID_EXT_CHANSWITCH_ANN = 60,
2744 WLAN_EID_HT_OPERATION = 61,
2745 WLAN_EID_SECONDARY_CHANNEL_OFFSET = 62,
2746 WLAN_EID_BSS_AVG_ACCESS_DELAY = 63,
2747 WLAN_EID_ANTENNA_INFO = 64,
2748 WLAN_EID_RSNI = 65,
2749 WLAN_EID_MEASUREMENT_PILOT_TX_INFO = 66,
2750 WLAN_EID_BSS_AVAILABLE_CAPACITY = 67,
2751 WLAN_EID_BSS_AC_ACCESS_DELAY = 68,
2752 WLAN_EID_TIME_ADVERTISEMENT = 69,
2753 WLAN_EID_RRM_ENABLED_CAPABILITIES = 70,
2754 WLAN_EID_MULTIPLE_BSSID = 71,
2755 WLAN_EID_BSS_COEX_2040 = 72,
2756 WLAN_EID_BSS_INTOLERANT_CHL_REPORT = 73,
2757 WLAN_EID_OVERLAP_BSS_SCAN_PARAM = 74,
2758 WLAN_EID_RIC_DESCRIPTOR = 75,
2759 WLAN_EID_MMIE = 76,
2760 WLAN_EID_ASSOC_COMEBACK_TIME = 77,
2761 WLAN_EID_EVENT_REQUEST = 78,
2762 WLAN_EID_EVENT_REPORT = 79,
2763 WLAN_EID_DIAGNOSTIC_REQUEST = 80,
2764 WLAN_EID_DIAGNOSTIC_REPORT = 81,
2765 WLAN_EID_LOCATION_PARAMS = 82,
2766 WLAN_EID_NON_TX_BSSID_CAP = 83,
2767 WLAN_EID_SSID_LIST = 84,
2768 WLAN_EID_MULTI_BSSID_IDX = 85,
2769 WLAN_EID_FMS_DESCRIPTOR = 86,
2770 WLAN_EID_FMS_REQUEST = 87,
2771 WLAN_EID_FMS_RESPONSE = 88,
2772 WLAN_EID_QOS_TRAFFIC_CAPA = 89,
2773 WLAN_EID_BSS_MAX_IDLE_PERIOD = 90,
2774 WLAN_EID_TSF_REQUEST = 91,
2775 WLAN_EID_TSF_RESPOSNE = 92,
2776 WLAN_EID_WNM_SLEEP_MODE = 93,
2777 WLAN_EID_TIM_BCAST_REQ = 94,
2778 WLAN_EID_TIM_BCAST_RESP = 95,
2779 WLAN_EID_COLL_IF_REPORT = 96,
2780 WLAN_EID_CHANNEL_USAGE = 97,
2781 WLAN_EID_TIME_ZONE = 98,
2782 WLAN_EID_DMS_REQUEST = 99,
2783 WLAN_EID_DMS_RESPONSE = 100,
2784 WLAN_EID_LINK_ID = 101,
2785 WLAN_EID_WAKEUP_SCHEDUL = 102,
2786 /* 103 reserved */
2787 WLAN_EID_CHAN_SWITCH_TIMING = 104,
2788 WLAN_EID_PTI_CONTROL = 105,
2789 WLAN_EID_PU_BUFFER_STATUS = 106,
2790 WLAN_EID_INTERWORKING = 107,
2791 WLAN_EID_ADVERTISEMENT_PROTOCOL = 108,
2792 WLAN_EID_EXPEDITED_BW_REQ = 109,
2793 WLAN_EID_QOS_MAP_SET = 110,
2794 WLAN_EID_ROAMING_CONSORTIUM = 111,
2795 WLAN_EID_EMERGENCY_ALERT = 112,
2796 WLAN_EID_MESH_CONFIG = 113,
2797 WLAN_EID_MESH_ID = 114,
2798 WLAN_EID_LINK_METRIC_REPORT = 115,
2799 WLAN_EID_CONGESTION_NOTIFICATION = 116,
2800 WLAN_EID_PEER_MGMT = 117,
2801 WLAN_EID_CHAN_SWITCH_PARAM = 118,
2802 WLAN_EID_MESH_AWAKE_WINDOW = 119,
2803 WLAN_EID_BEACON_TIMING = 120,
2804 WLAN_EID_MCCAOP_SETUP_REQ = 121,
2805 WLAN_EID_MCCAOP_SETUP_RESP = 122,
2806 WLAN_EID_MCCAOP_ADVERT = 123,
2807 WLAN_EID_MCCAOP_TEARDOWN = 124,
2808 WLAN_EID_GANN = 125,
2809 WLAN_EID_RANN = 126,
2810 WLAN_EID_EXT_CAPABILITY = 127,
2811 /* 128, 129 reserved for Agere */
2812 WLAN_EID_PREQ = 130,
2813 WLAN_EID_PREP = 131,
2814 WLAN_EID_PERR = 132,
2815 /* 133-136 reserved for Cisco */
2816 WLAN_EID_PXU = 137,
2817 WLAN_EID_PXUC = 138,
2818 WLAN_EID_AUTH_MESH_PEER_EXCH = 139,
2819 WLAN_EID_MIC = 140,
2820 WLAN_EID_DESTINATION_URI = 141,
2821 WLAN_EID_UAPSD_COEX = 142,
2822 WLAN_EID_WAKEUP_SCHEDULE = 143,
2823 WLAN_EID_EXT_SCHEDULE = 144,
2824 WLAN_EID_STA_AVAILABILITY = 145,
2825 WLAN_EID_DMG_TSPEC = 146,
2826 WLAN_EID_DMG_AT = 147,
2827 WLAN_EID_DMG_CAP = 148,
2828 /* 149 reserved for Cisco */
2829 WLAN_EID_CISCO_VENDOR_SPECIFIC = 150,
2830 WLAN_EID_DMG_OPERATION = 151,
2831 WLAN_EID_DMG_BSS_PARAM_CHANGE = 152,
2832 WLAN_EID_DMG_BEAM_REFINEMENT = 153,
2833 WLAN_EID_CHANNEL_MEASURE_FEEDBACK = 154,
2834 /* 155-156 reserved for Cisco */
2835 WLAN_EID_AWAKE_WINDOW = 157,
2836 WLAN_EID_MULTI_BAND = 158,
2837 WLAN_EID_ADDBA_EXT = 159,
2838 WLAN_EID_NEXT_PCP_LIST = 160,
2839 WLAN_EID_PCP_HANDOVER = 161,
2840 WLAN_EID_DMG_LINK_MARGIN = 162,
2841 WLAN_EID_SWITCHING_STREAM = 163,
2842 WLAN_EID_SESSION_TRANSITION = 164,
2843 WLAN_EID_DYN_TONE_PAIRING_REPORT = 165,
2844 WLAN_EID_CLUSTER_REPORT = 166,
2845 WLAN_EID_RELAY_CAP = 167,
2846 WLAN_EID_RELAY_XFER_PARAM_SET = 168,
2847 WLAN_EID_BEAM_LINK_MAINT = 169,
2848 WLAN_EID_MULTIPLE_MAC_ADDR = 170,
2849 WLAN_EID_U_PID = 171,
2850 WLAN_EID_DMG_LINK_ADAPT_ACK = 172,
2851 /* 173 reserved for Symbol */
2852 WLAN_EID_MCCAOP_ADV_OVERVIEW = 174,
2853 WLAN_EID_QUIET_PERIOD_REQ = 175,
2854 /* 176 reserved for Symbol */
2855 WLAN_EID_QUIET_PERIOD_RESP = 177,
2856 /* 178-179 reserved for Symbol */
2857 /* 180 reserved for ISO/IEC 20011 */
2858 WLAN_EID_EPAC_POLICY = 182,
2859 WLAN_EID_CLISTER_TIME_OFF = 183,
2860 WLAN_EID_INTER_AC_PRIO = 184,
2861 WLAN_EID_SCS_DESCRIPTOR = 185,
2862 WLAN_EID_QLOAD_REPORT = 186,
2863 WLAN_EID_HCCA_TXOP_UPDATE_COUNT = 187,
2864 WLAN_EID_HL_STREAM_ID = 188,
2865 WLAN_EID_GCR_GROUP_ADDR = 189,
2866 WLAN_EID_ANTENNA_SECTOR_ID_PATTERN = 190,
2867 WLAN_EID_VHT_CAPABILITY = 191,
2868 WLAN_EID_VHT_OPERATION = 192,
2869 WLAN_EID_EXTENDED_BSS_LOAD = 193,
2870 WLAN_EID_WIDE_BW_CHANNEL_SWITCH = 194,
2871 WLAN_EID_VHT_TX_POWER_ENVELOPE = 195,
2872 WLAN_EID_CHANNEL_SWITCH_WRAPPER = 196,
2873 WLAN_EID_AID = 197,
2874 WLAN_EID_QUIET_CHANNEL = 198,
2875 WLAN_EID_OPMODE_NOTIF = 199,
2876
2877 WLAN_EID_REDUCED_NEIGHBOR_REPORT = 201,
2878
2879 WLAN_EID_AID_REQUEST = 210,
2880 WLAN_EID_AID_RESPONSE = 211,
2881 WLAN_EID_S1G_BCN_COMPAT = 213,
2882 WLAN_EID_S1G_SHORT_BCN_INTERVAL = 214,
2883 WLAN_EID_S1G_CAPABILITIES = 217,
2884 WLAN_EID_VENDOR_SPECIFIC = 221,
2885 WLAN_EID_QOS_PARAMETER = 222,
2886 WLAN_EID_S1G_OPERATION = 232,
2887 WLAN_EID_CAG_NUMBER = 237,
2888 WLAN_EID_AP_CSN = 239,
2889 WLAN_EID_FILS_INDICATION = 240,
2890 WLAN_EID_DILS = 241,
2891 WLAN_EID_FRAGMENT = 242,
2892 WLAN_EID_RSNX = 244,
2893 WLAN_EID_EXTENSION = 255
2894 };
2895
2896 /* Element ID Extensions for Element ID 255 */
2897 enum ieee80211_eid_ext {
2898 WLAN_EID_EXT_ASSOC_DELAY_INFO = 1,
2899 WLAN_EID_EXT_FILS_REQ_PARAMS = 2,
2900 WLAN_EID_EXT_FILS_KEY_CONFIRM = 3,
2901 WLAN_EID_EXT_FILS_SESSION = 4,
2902 WLAN_EID_EXT_FILS_HLP_CONTAINER = 5,
2903 WLAN_EID_EXT_FILS_IP_ADDR_ASSIGN = 6,
2904 WLAN_EID_EXT_KEY_DELIVERY = 7,
2905 WLAN_EID_EXT_FILS_WRAPPED_DATA = 8,
2906 WLAN_EID_EXT_FILS_PUBLIC_KEY = 12,
2907 WLAN_EID_EXT_FILS_NONCE = 13,
2908 WLAN_EID_EXT_FUTURE_CHAN_GUIDANCE = 14,
2909 WLAN_EID_EXT_HE_CAPABILITY = 35,
2910 WLAN_EID_EXT_HE_OPERATION = 36,
2911 WLAN_EID_EXT_UORA = 37,
2912 WLAN_EID_EXT_HE_MU_EDCA = 38,
2913 WLAN_EID_EXT_HE_SPR = 39,
2914 WLAN_EID_EXT_NDP_FEEDBACK_REPORT_PARAMSET = 41,
2915 WLAN_EID_EXT_BSS_COLOR_CHG_ANN = 42,
2916 WLAN_EID_EXT_QUIET_TIME_PERIOD_SETUP = 43,
2917 WLAN_EID_EXT_ESS_REPORT = 45,
2918 WLAN_EID_EXT_OPS = 46,
2919 WLAN_EID_EXT_HE_BSS_LOAD = 47,
2920 WLAN_EID_EXT_MAX_CHANNEL_SWITCH_TIME = 52,
2921 WLAN_EID_EXT_MULTIPLE_BSSID_CONFIGURATION = 55,
2922 WLAN_EID_EXT_NON_INHERITANCE = 56,
2923 WLAN_EID_EXT_KNOWN_BSSID = 57,
2924 WLAN_EID_EXT_SHORT_SSID_LIST = 58,
2925 WLAN_EID_EXT_HE_6GHZ_CAPA = 59,
2926 WLAN_EID_EXT_UL_MU_POWER_CAPA = 60,
2927 };
2928
2929 /* Action category code */
2930 enum ieee80211_category {
2931 WLAN_CATEGORY_SPECTRUM_MGMT = 0,
2932 WLAN_CATEGORY_QOS = 1,
2933 WLAN_CATEGORY_DLS = 2,
2934 WLAN_CATEGORY_BACK = 3,
2935 WLAN_CATEGORY_PUBLIC = 4,
2936 WLAN_CATEGORY_RADIO_MEASUREMENT = 5,
2937 WLAN_CATEGORY_HT = 7,
2938 WLAN_CATEGORY_SA_QUERY = 8,
2939 WLAN_CATEGORY_PROTECTED_DUAL_OF_ACTION = 9,
2940 WLAN_CATEGORY_WNM = 10,
2941 WLAN_CATEGORY_WNM_UNPROTECTED = 11,
2942 WLAN_CATEGORY_TDLS = 12,
2943 WLAN_CATEGORY_MESH_ACTION = 13,
2944 WLAN_CATEGORY_MULTIHOP_ACTION = 14,
2945 WLAN_CATEGORY_SELF_PROTECTED = 15,
2946 WLAN_CATEGORY_DMG = 16,
2947 WLAN_CATEGORY_WMM = 17,
2948 WLAN_CATEGORY_FST = 18,
2949 WLAN_CATEGORY_UNPROT_DMG = 20,
2950 WLAN_CATEGORY_VHT = 21,
2951 WLAN_CATEGORY_VENDOR_SPECIFIC_PROTECTED = 126,
2952 WLAN_CATEGORY_VENDOR_SPECIFIC = 127,
2953 };
2954
2955 /* SPECTRUM_MGMT action code */
2956 enum ieee80211_spectrum_mgmt_actioncode {
2957 WLAN_ACTION_SPCT_MSR_REQ = 0,
2958 WLAN_ACTION_SPCT_MSR_RPRT = 1,
2959 WLAN_ACTION_SPCT_TPC_REQ = 2,
2960 WLAN_ACTION_SPCT_TPC_RPRT = 3,
2961 WLAN_ACTION_SPCT_CHL_SWITCH = 4,
2962 };
2963
2964 /* HT action codes */
2965 enum ieee80211_ht_actioncode {
2966 WLAN_HT_ACTION_NOTIFY_CHANWIDTH = 0,
2967 WLAN_HT_ACTION_SMPS = 1,
2968 WLAN_HT_ACTION_PSMP = 2,
2969 WLAN_HT_ACTION_PCO_PHASE = 3,
2970 WLAN_HT_ACTION_CSI = 4,
2971 WLAN_HT_ACTION_NONCOMPRESSED_BF = 5,
2972 WLAN_HT_ACTION_COMPRESSED_BF = 6,
2973 WLAN_HT_ACTION_ASEL_IDX_FEEDBACK = 7,
2974 };
2975
2976 /* VHT action codes */
2977 enum ieee80211_vht_actioncode {
2978 WLAN_VHT_ACTION_COMPRESSED_BF = 0,
2979 WLAN_VHT_ACTION_GROUPID_MGMT = 1,
2980 WLAN_VHT_ACTION_OPMODE_NOTIF = 2,
2981 };
2982
2983 /* Self Protected Action codes */
2984 enum ieee80211_self_protected_actioncode {
2985 WLAN_SP_RESERVED = 0,
2986 WLAN_SP_MESH_PEERING_OPEN = 1,
2987 WLAN_SP_MESH_PEERING_CONFIRM = 2,
2988 WLAN_SP_MESH_PEERING_CLOSE = 3,
2989 WLAN_SP_MGK_INFORM = 4,
2990 WLAN_SP_MGK_ACK = 5,
2991 };
2992
2993 /* Mesh action codes */
2994 enum ieee80211_mesh_actioncode {
2995 WLAN_MESH_ACTION_LINK_METRIC_REPORT,
2996 WLAN_MESH_ACTION_HWMP_PATH_SELECTION,
2997 WLAN_MESH_ACTION_GATE_ANNOUNCEMENT,
2998 WLAN_MESH_ACTION_CONGESTION_CONTROL_NOTIFICATION,
2999 WLAN_MESH_ACTION_MCCA_SETUP_REQUEST,
3000 WLAN_MESH_ACTION_MCCA_SETUP_REPLY,
3001 WLAN_MESH_ACTION_MCCA_ADVERTISEMENT_REQUEST,
3002 WLAN_MESH_ACTION_MCCA_ADVERTISEMENT,
3003 WLAN_MESH_ACTION_MCCA_TEARDOWN,
3004 WLAN_MESH_ACTION_TBTT_ADJUSTMENT_REQUEST,
3005 WLAN_MESH_ACTION_TBTT_ADJUSTMENT_RESPONSE,
3006 };
3007
3008 /* Security key length */
3009 enum ieee80211_key_len {
3010 WLAN_KEY_LEN_WEP40 = 5,
3011 WLAN_KEY_LEN_WEP104 = 13,
3012 WLAN_KEY_LEN_CCMP = 16,
3013 WLAN_KEY_LEN_CCMP_256 = 32,
3014 WLAN_KEY_LEN_TKIP = 32,
3015 WLAN_KEY_LEN_AES_CMAC = 16,
3016 WLAN_KEY_LEN_SMS4 = 32,
3017 WLAN_KEY_LEN_GCMP = 16,
3018 WLAN_KEY_LEN_GCMP_256 = 32,
3019 WLAN_KEY_LEN_BIP_CMAC_256 = 32,
3020 WLAN_KEY_LEN_BIP_GMAC_128 = 16,
3021 WLAN_KEY_LEN_BIP_GMAC_256 = 32,
3022 };
3023
3024 #define IEEE80211_WEP_IV_LEN 4
3025 #define IEEE80211_WEP_ICV_LEN 4
3026 #define IEEE80211_CCMP_HDR_LEN 8
3027 #define IEEE80211_CCMP_MIC_LEN 8
3028 #define IEEE80211_CCMP_PN_LEN 6
3029 #define IEEE80211_CCMP_256_HDR_LEN 8
3030 #define IEEE80211_CCMP_256_MIC_LEN 16
3031 #define IEEE80211_CCMP_256_PN_LEN 6
3032 #define IEEE80211_TKIP_IV_LEN 8
3033 #define IEEE80211_TKIP_ICV_LEN 4
3034 #define IEEE80211_CMAC_PN_LEN 6
3035 #define IEEE80211_GMAC_PN_LEN 6
3036 #define IEEE80211_GCMP_HDR_LEN 8
3037 #define IEEE80211_GCMP_MIC_LEN 16
3038 #define IEEE80211_GCMP_PN_LEN 6
3039
3040 #define FILS_NONCE_LEN 16
3041 #define FILS_MAX_KEK_LEN 64
3042
3043 #define FILS_ERP_MAX_USERNAME_LEN 16
3044 #define FILS_ERP_MAX_REALM_LEN 253
3045 #define FILS_ERP_MAX_RRK_LEN 64
3046
3047 #define PMK_MAX_LEN 64
3048 #define SAE_PASSWORD_MAX_LEN 128
3049
3050 /* Public action codes (IEEE Std 802.11-2016, 9.6.8.1, Table 9-307) */
3051 enum ieee80211_pub_actioncode {
3052 WLAN_PUB_ACTION_20_40_BSS_COEX = 0,
3053 WLAN_PUB_ACTION_DSE_ENABLEMENT = 1,
3054 WLAN_PUB_ACTION_DSE_DEENABLEMENT = 2,
3055 WLAN_PUB_ACTION_DSE_REG_LOC_ANN = 3,
3056 WLAN_PUB_ACTION_EXT_CHANSW_ANN = 4,
3057 WLAN_PUB_ACTION_DSE_MSMT_REQ = 5,
3058 WLAN_PUB_ACTION_DSE_MSMT_RESP = 6,
3059 WLAN_PUB_ACTION_MSMT_PILOT = 7,
3060 WLAN_PUB_ACTION_DSE_PC = 8,
3061 WLAN_PUB_ACTION_VENDOR_SPECIFIC = 9,
3062 WLAN_PUB_ACTION_GAS_INITIAL_REQ = 10,
3063 WLAN_PUB_ACTION_GAS_INITIAL_RESP = 11,
3064 WLAN_PUB_ACTION_GAS_COMEBACK_REQ = 12,
3065 WLAN_PUB_ACTION_GAS_COMEBACK_RESP = 13,
3066 WLAN_PUB_ACTION_TDLS_DISCOVER_RES = 14,
3067 WLAN_PUB_ACTION_LOC_TRACK_NOTI = 15,
3068 WLAN_PUB_ACTION_QAB_REQUEST_FRAME = 16,
3069 WLAN_PUB_ACTION_QAB_RESPONSE_FRAME = 17,
3070 WLAN_PUB_ACTION_QMF_POLICY = 18,
3071 WLAN_PUB_ACTION_QMF_POLICY_CHANGE = 19,
3072 WLAN_PUB_ACTION_QLOAD_REQUEST = 20,
3073 WLAN_PUB_ACTION_QLOAD_REPORT = 21,
3074 WLAN_PUB_ACTION_HCCA_TXOP_ADVERT = 22,
3075 WLAN_PUB_ACTION_HCCA_TXOP_RESPONSE = 23,
3076 WLAN_PUB_ACTION_PUBLIC_KEY = 24,
3077 WLAN_PUB_ACTION_CHANNEL_AVAIL_QUERY = 25,
3078 WLAN_PUB_ACTION_CHANNEL_SCHEDULE_MGMT = 26,
3079 WLAN_PUB_ACTION_CONTACT_VERI_SIGNAL = 27,
3080 WLAN_PUB_ACTION_GDD_ENABLEMENT_REQ = 28,
3081 WLAN_PUB_ACTION_GDD_ENABLEMENT_RESP = 29,
3082 WLAN_PUB_ACTION_NETWORK_CHANNEL_CONTROL = 30,
3083 WLAN_PUB_ACTION_WHITE_SPACE_MAP_ANN = 31,
3084 WLAN_PUB_ACTION_FTM_REQUEST = 32,
3085 WLAN_PUB_ACTION_FTM = 33,
3086 WLAN_PUB_ACTION_FILS_DISCOVERY = 34,
3087 };
3088
3089 /* TDLS action codes */
3090 enum ieee80211_tdls_actioncode {
3091 WLAN_TDLS_SETUP_REQUEST = 0,
3092 WLAN_TDLS_SETUP_RESPONSE = 1,
3093 WLAN_TDLS_SETUP_CONFIRM = 2,
3094 WLAN_TDLS_TEARDOWN = 3,
3095 WLAN_TDLS_PEER_TRAFFIC_INDICATION = 4,
3096 WLAN_TDLS_CHANNEL_SWITCH_REQUEST = 5,
3097 WLAN_TDLS_CHANNEL_SWITCH_RESPONSE = 6,
3098 WLAN_TDLS_PEER_PSM_REQUEST = 7,
3099 WLAN_TDLS_PEER_PSM_RESPONSE = 8,
3100 WLAN_TDLS_PEER_TRAFFIC_RESPONSE = 9,
3101 WLAN_TDLS_DISCOVERY_REQUEST = 10,
3102 };
3103
3104 /* Extended Channel Switching capability to be set in the 1st byte of
3105 * the @WLAN_EID_EXT_CAPABILITY information element
3106 */
3107 #define WLAN_EXT_CAPA1_EXT_CHANNEL_SWITCHING BIT(2)
3108
3109 /* Multiple BSSID capability is set in the 6th bit of 3rd byte of the
3110 * @WLAN_EID_EXT_CAPABILITY information element
3111 */
3112 #define WLAN_EXT_CAPA3_MULTI_BSSID_SUPPORT BIT(6)
3113
3114 /* TDLS capabilities in the 4th byte of @WLAN_EID_EXT_CAPABILITY */
3115 #define WLAN_EXT_CAPA4_TDLS_BUFFER_STA BIT(4)
3116 #define WLAN_EXT_CAPA4_TDLS_PEER_PSM BIT(5)
3117 #define WLAN_EXT_CAPA4_TDLS_CHAN_SWITCH BIT(6)
3118
3119 /* Interworking capabilities are set in 7th bit of 4th byte of the
3120 * @WLAN_EID_EXT_CAPABILITY information element
3121 */
3122 #define WLAN_EXT_CAPA4_INTERWORKING_ENABLED BIT(7)
3123
3124 /*
3125 * TDLS capabililites to be enabled in the 5th byte of the
3126 * @WLAN_EID_EXT_CAPABILITY information element
3127 */
3128 #define WLAN_EXT_CAPA5_TDLS_ENABLED BIT(5)
3129 #define WLAN_EXT_CAPA5_TDLS_PROHIBITED BIT(6)
3130 #define WLAN_EXT_CAPA5_TDLS_CH_SW_PROHIBITED BIT(7)
3131
3132 #define WLAN_EXT_CAPA8_TDLS_WIDE_BW_ENABLED BIT(5)
3133 #define WLAN_EXT_CAPA8_OPMODE_NOTIF BIT(6)
3134
3135 /* Defines the maximal number of MSDUs in an A-MSDU. */
3136 #define WLAN_EXT_CAPA8_MAX_MSDU_IN_AMSDU_LSB BIT(7)
3137 #define WLAN_EXT_CAPA9_MAX_MSDU_IN_AMSDU_MSB BIT(0)
3138
3139 /*
3140 * Fine Timing Measurement Initiator - bit 71 of @WLAN_EID_EXT_CAPABILITY
3141 * information element
3142 */
3143 #define WLAN_EXT_CAPA9_FTM_INITIATOR BIT(7)
3144
3145 /* Defines support for TWT Requester and TWT Responder */
3146 #define WLAN_EXT_CAPA10_TWT_REQUESTER_SUPPORT BIT(5)
3147 #define WLAN_EXT_CAPA10_TWT_RESPONDER_SUPPORT BIT(6)
3148
3149 /*
3150 * When set, indicates that the AP is able to tolerate 26-tone RU UL
3151 * OFDMA transmissions using HE TB PPDU from OBSS (not falsely classify the
3152 * 26-tone RU UL OFDMA transmissions as radar pulses).
3153 */
3154 #define WLAN_EXT_CAPA10_OBSS_NARROW_BW_RU_TOLERANCE_SUPPORT BIT(7)
3155
3156 /* Defines support for enhanced multi-bssid advertisement*/
3157 #define WLAN_EXT_CAPA11_EMA_SUPPORT BIT(3)
3158
3159 /* TDLS specific payload type in the LLC/SNAP header */
3160 #define WLAN_TDLS_SNAP_RFTYPE 0x2
3161
3162 /* BSS Coex IE information field bits */
3163 #define WLAN_BSS_COEX_INFORMATION_REQUEST BIT(0)
3164
3165 /**
3166 * enum ieee80211_mesh_sync_method - mesh synchronization method identifier
3167 *
3168 * @IEEE80211_SYNC_METHOD_NEIGHBOR_OFFSET: the default synchronization method
3169 * @IEEE80211_SYNC_METHOD_VENDOR: a vendor specific synchronization method
3170 * that will be specified in a vendor specific information element
3171 */
3172 enum ieee80211_mesh_sync_method {
3173 IEEE80211_SYNC_METHOD_NEIGHBOR_OFFSET = 1,
3174 IEEE80211_SYNC_METHOD_VENDOR = 255,
3175 };
3176
3177 /**
3178 * enum ieee80211_mesh_path_protocol - mesh path selection protocol identifier
3179 *
3180 * @IEEE80211_PATH_PROTOCOL_HWMP: the default path selection protocol
3181 * @IEEE80211_PATH_PROTOCOL_VENDOR: a vendor specific protocol that will
3182 * be specified in a vendor specific information element
3183 */
3184 enum ieee80211_mesh_path_protocol {
3185 IEEE80211_PATH_PROTOCOL_HWMP = 1,
3186 IEEE80211_PATH_PROTOCOL_VENDOR = 255,
3187 };
3188
3189 /**
3190 * enum ieee80211_mesh_path_metric - mesh path selection metric identifier
3191 *
3192 * @IEEE80211_PATH_METRIC_AIRTIME: the default path selection metric
3193 * @IEEE80211_PATH_METRIC_VENDOR: a vendor specific metric that will be
3194 * specified in a vendor specific information element
3195 */
3196 enum ieee80211_mesh_path_metric {
3197 IEEE80211_PATH_METRIC_AIRTIME = 1,
3198 IEEE80211_PATH_METRIC_VENDOR = 255,
3199 };
3200
3201 /**
3202 * enum ieee80211_root_mode_identifier - root mesh STA mode identifier
3203 *
3204 * These attribute are used by dot11MeshHWMPRootMode to set root mesh STA mode
3205 *
3206 * @IEEE80211_ROOTMODE_NO_ROOT: the mesh STA is not a root mesh STA (default)
3207 * @IEEE80211_ROOTMODE_ROOT: the mesh STA is a root mesh STA if greater than
3208 * this value
3209 * @IEEE80211_PROACTIVE_PREQ_NO_PREP: the mesh STA is a root mesh STA supports
3210 * the proactive PREQ with proactive PREP subfield set to 0
3211 * @IEEE80211_PROACTIVE_PREQ_WITH_PREP: the mesh STA is a root mesh STA
3212 * supports the proactive PREQ with proactive PREP subfield set to 1
3213 * @IEEE80211_PROACTIVE_RANN: the mesh STA is a root mesh STA supports
3214 * the proactive RANN
3215 */
3216 enum ieee80211_root_mode_identifier {
3217 IEEE80211_ROOTMODE_NO_ROOT = 0,
3218 IEEE80211_ROOTMODE_ROOT = 1,
3219 IEEE80211_PROACTIVE_PREQ_NO_PREP = 2,
3220 IEEE80211_PROACTIVE_PREQ_WITH_PREP = 3,
3221 IEEE80211_PROACTIVE_RANN = 4,
3222 };
3223
3224 /*
3225 * IEEE 802.11-2007 7.3.2.9 Country information element
3226 *
3227 * Minimum length is 8 octets, ie len must be evenly
3228 * divisible by 2
3229 */
3230
3231 /* Although the spec says 8 I'm seeing 6 in practice */
3232 #define IEEE80211_COUNTRY_IE_MIN_LEN 6
3233
3234 /* The Country String field of the element shall be 3 octets in length */
3235 #define IEEE80211_COUNTRY_STRING_LEN 3
3236
3237 /*
3238 * For regulatory extension stuff see IEEE 802.11-2007
3239 * Annex I (page 1141) and Annex J (page 1147). Also
3240 * review 7.3.2.9.
3241 *
3242 * When dot11RegulatoryClassesRequired is true and the
3243 * first_channel/reg_extension_id is >= 201 then the IE
3244 * compromises of the 'ext' struct represented below:
3245 *
3246 * - Regulatory extension ID - when generating IE this just needs
3247 * to be monotonically increasing for each triplet passed in
3248 * the IE
3249 * - Regulatory class - index into set of rules
3250 * - Coverage class - index into air propagation time (Table 7-27),
3251 * in microseconds, you can compute the air propagation time from
3252 * the index by multiplying by 3, so index 10 yields a propagation
3253 * of 10 us. Valid values are 0-31, values 32-255 are not defined
3254 * yet. A value of 0 inicates air propagation of <= 1 us.
3255 *
3256 * See also Table I.2 for Emission limit sets and table
3257 * I.3 for Behavior limit sets. Table J.1 indicates how to map
3258 * a reg_class to an emission limit set and behavior limit set.
3259 */
3260 #define IEEE80211_COUNTRY_EXTENSION_ID 201
3261
3262 /*
3263 * Channels numbers in the IE must be monotonically increasing
3264 * if dot11RegulatoryClassesRequired is not true.
3265 *
3266 * If dot11RegulatoryClassesRequired is true consecutive
3267 * subband triplets following a regulatory triplet shall
3268 * have monotonically increasing first_channel number fields.
3269 *
3270 * Channel numbers shall not overlap.
3271 *
3272 * Note that max_power is signed.
3273 */
3274 struct ieee80211_country_ie_triplet {
3275 union {
3276 struct {
3277 u8 first_channel;
3278 u8 num_channels;
3279 s8 max_power;
3280 } __packed chans;
3281 struct {
3282 u8 reg_extension_id;
3283 u8 reg_class;
3284 u8 coverage_class;
3285 } __packed ext;
3286 };
3287 } __packed;
3288
3289 enum ieee80211_timeout_interval_type {
3290 WLAN_TIMEOUT_REASSOC_DEADLINE = 1 /* 802.11r */,
3291 WLAN_TIMEOUT_KEY_LIFETIME = 2 /* 802.11r */,
3292 WLAN_TIMEOUT_ASSOC_COMEBACK = 3 /* 802.11w */,
3293 };
3294
3295 /**
3296 * struct ieee80211_timeout_interval_ie - Timeout Interval element
3297 * @type: type, see &enum ieee80211_timeout_interval_type
3298 * @value: timeout interval value
3299 */
3300 struct ieee80211_timeout_interval_ie {
3301 u8 type;
3302 __le32 value;
3303 } __packed;
3304
3305 /**
3306 * enum ieee80211_idle_options - BSS idle options
3307 * @WLAN_IDLE_OPTIONS_PROTECTED_KEEP_ALIVE: the station should send an RSN
3308 * protected frame to the AP to reset the idle timer at the AP for
3309 * the station.
3310 */
3311 enum ieee80211_idle_options {
3312 WLAN_IDLE_OPTIONS_PROTECTED_KEEP_ALIVE = BIT(0),
3313 };
3314
3315 /**
3316 * struct ieee80211_bss_max_idle_period_ie
3317 *
3318 * This structure refers to "BSS Max idle period element"
3319 *
3320 * @max_idle_period: indicates the time period during which a station can
3321 * refrain from transmitting frames to its associated AP without being
3322 * disassociated. In units of 1000 TUs.
3323 * @idle_options: indicates the options associated with the BSS idle capability
3324 * as specified in &enum ieee80211_idle_options.
3325 */
3326 struct ieee80211_bss_max_idle_period_ie {
3327 __le16 max_idle_period;
3328 u8 idle_options;
3329 } __packed;
3330
3331 /* BACK action code */
3332 enum ieee80211_back_actioncode {
3333 WLAN_ACTION_ADDBA_REQ = 0,
3334 WLAN_ACTION_ADDBA_RESP = 1,
3335 WLAN_ACTION_DELBA = 2,
3336 };
3337
3338 /* BACK (block-ack) parties */
3339 enum ieee80211_back_parties {
3340 WLAN_BACK_RECIPIENT = 0,
3341 WLAN_BACK_INITIATOR = 1,
3342 };
3343
3344 /* SA Query action */
3345 enum ieee80211_sa_query_action {
3346 WLAN_ACTION_SA_QUERY_REQUEST = 0,
3347 WLAN_ACTION_SA_QUERY_RESPONSE = 1,
3348 };
3349
3350 /**
3351 * struct ieee80211_bssid_index
3352 *
3353 * This structure refers to "Multiple BSSID-index element"
3354 *
3355 * @bssid_index: BSSID index
3356 * @dtim_period: optional, overrides transmitted BSS dtim period
3357 * @dtim_count: optional, overrides transmitted BSS dtim count
3358 */
3359 struct ieee80211_bssid_index {
3360 u8 bssid_index;
3361 u8 dtim_period;
3362 u8 dtim_count;
3363 };
3364
3365 /**
3366 * struct ieee80211_multiple_bssid_configuration
3367 *
3368 * This structure refers to "Multiple BSSID Configuration element"
3369 *
3370 * @bssid_count: total number of active BSSIDs in the set
3371 * @profile_periodicity: the least number of beacon frames need to be received
3372 * in order to discover all the nontransmitted BSSIDs in the set.
3373 */
3374 struct ieee80211_multiple_bssid_configuration {
3375 u8 bssid_count;
3376 u8 profile_periodicity;
3377 };
3378
3379 #define SUITE(oui, id) (((oui) << 8) | (id))
3380
3381 /* cipher suite selectors */
3382 #define WLAN_CIPHER_SUITE_USE_GROUP SUITE(0x000FAC, 0)
3383 #define WLAN_CIPHER_SUITE_WEP40 SUITE(0x000FAC, 1)
3384 #define WLAN_CIPHER_SUITE_TKIP SUITE(0x000FAC, 2)
3385 /* reserved: SUITE(0x000FAC, 3) */
3386 #define WLAN_CIPHER_SUITE_CCMP SUITE(0x000FAC, 4)
3387 #define WLAN_CIPHER_SUITE_WEP104 SUITE(0x000FAC, 5)
3388 #define WLAN_CIPHER_SUITE_AES_CMAC SUITE(0x000FAC, 6)
3389 #define WLAN_CIPHER_SUITE_GCMP SUITE(0x000FAC, 8)
3390 #define WLAN_CIPHER_SUITE_GCMP_256 SUITE(0x000FAC, 9)
3391 #define WLAN_CIPHER_SUITE_CCMP_256 SUITE(0x000FAC, 10)
3392 #define WLAN_CIPHER_SUITE_BIP_GMAC_128 SUITE(0x000FAC, 11)
3393 #define WLAN_CIPHER_SUITE_BIP_GMAC_256 SUITE(0x000FAC, 12)
3394 #define WLAN_CIPHER_SUITE_BIP_CMAC_256 SUITE(0x000FAC, 13)
3395
3396 #define WLAN_CIPHER_SUITE_SMS4 SUITE(0x001472, 1)
3397
3398 /* AKM suite selectors */
3399 #define WLAN_AKM_SUITE_8021X SUITE(0x000FAC, 1)
3400 #define WLAN_AKM_SUITE_PSK SUITE(0x000FAC, 2)
3401 #define WLAN_AKM_SUITE_FT_8021X SUITE(0x000FAC, 3)
3402 #define WLAN_AKM_SUITE_FT_PSK SUITE(0x000FAC, 4)
3403 #define WLAN_AKM_SUITE_8021X_SHA256 SUITE(0x000FAC, 5)
3404 #define WLAN_AKM_SUITE_PSK_SHA256 SUITE(0x000FAC, 6)
3405 #define WLAN_AKM_SUITE_TDLS SUITE(0x000FAC, 7)
3406 #define WLAN_AKM_SUITE_SAE SUITE(0x000FAC, 8)
3407 #define WLAN_AKM_SUITE_FT_OVER_SAE SUITE(0x000FAC, 9)
3408 #define WLAN_AKM_SUITE_AP_PEER_KEY SUITE(0x000FAC, 10)
3409 #define WLAN_AKM_SUITE_8021X_SUITE_B SUITE(0x000FAC, 11)
3410 #define WLAN_AKM_SUITE_8021X_SUITE_B_192 SUITE(0x000FAC, 12)
3411 #define WLAN_AKM_SUITE_FT_8021X_SHA384 SUITE(0x000FAC, 13)
3412 #define WLAN_AKM_SUITE_FILS_SHA256 SUITE(0x000FAC, 14)
3413 #define WLAN_AKM_SUITE_FILS_SHA384 SUITE(0x000FAC, 15)
3414 #define WLAN_AKM_SUITE_FT_FILS_SHA256 SUITE(0x000FAC, 16)
3415 #define WLAN_AKM_SUITE_FT_FILS_SHA384 SUITE(0x000FAC, 17)
3416 #define WLAN_AKM_SUITE_OWE SUITE(0x000FAC, 18)
3417 #define WLAN_AKM_SUITE_FT_PSK_SHA384 SUITE(0x000FAC, 19)
3418 #define WLAN_AKM_SUITE_PSK_SHA384 SUITE(0x000FAC, 20)
3419
3420 #define WLAN_MAX_KEY_LEN 32
3421
3422 #define WLAN_PMK_NAME_LEN 16
3423 #define WLAN_PMKID_LEN 16
3424 #define WLAN_PMK_LEN_EAP_LEAP 16
3425 #define WLAN_PMK_LEN 32
3426 #define WLAN_PMK_LEN_SUITE_B_192 48
3427
3428 #define WLAN_OUI_WFA 0x506f9a
3429 #define WLAN_OUI_TYPE_WFA_P2P 9
3430 #define WLAN_OUI_MICROSOFT 0x0050f2
3431 #define WLAN_OUI_TYPE_MICROSOFT_WPA 1
3432 #define WLAN_OUI_TYPE_MICROSOFT_WMM 2
3433 #define WLAN_OUI_TYPE_MICROSOFT_WPS 4
3434 #define WLAN_OUI_TYPE_MICROSOFT_TPC 8
3435
3436 /*
3437 * WMM/802.11e Tspec Element
3438 */
3439 #define IEEE80211_WMM_IE_TSPEC_TID_MASK 0x0F
3440 #define IEEE80211_WMM_IE_TSPEC_TID_SHIFT 1
3441
3442 enum ieee80211_tspec_status_code {
3443 IEEE80211_TSPEC_STATUS_ADMISS_ACCEPTED = 0,
3444 IEEE80211_TSPEC_STATUS_ADDTS_INVAL_PARAMS = 0x1,
3445 };
3446
3447 struct ieee80211_tspec_ie {
3448 u8 element_id;
3449 u8 len;
3450 u8 oui[3];
3451 u8 oui_type;
3452 u8 oui_subtype;
3453 u8 version;
3454 __le16 tsinfo;
3455 u8 tsinfo_resvd;
3456 __le16 nominal_msdu;
3457 __le16 max_msdu;
3458 __le32 min_service_int;
3459 __le32 max_service_int;
3460 __le32 inactivity_int;
3461 __le32 suspension_int;
3462 __le32 service_start_time;
3463 __le32 min_data_rate;
3464 __le32 mean_data_rate;
3465 __le32 peak_data_rate;
3466 __le32 max_burst_size;
3467 __le32 delay_bound;
3468 __le32 min_phy_rate;
3469 __le16 sba;
3470 __le16 medium_time;
3471 } __packed;
3472
3473 struct ieee80211_he_6ghz_capa {
3474 /* uses IEEE80211_HE_6GHZ_CAP_* below */
3475 __le16 capa;
3476 } __packed;
3477
3478 /* HE 6 GHz band capabilities */
3479 /* uses enum ieee80211_min_mpdu_spacing values */
3480 #define IEEE80211_HE_6GHZ_CAP_MIN_MPDU_START 0x0007
3481 /* uses enum ieee80211_vht_max_ampdu_length_exp values */
3482 #define IEEE80211_HE_6GHZ_CAP_MAX_AMPDU_LEN_EXP 0x0038
3483 /* uses IEEE80211_VHT_CAP_MAX_MPDU_LENGTH_* values */
3484 #define IEEE80211_HE_6GHZ_CAP_MAX_MPDU_LEN 0x00c0
3485 /* WLAN_HT_CAP_SM_PS_* values */
3486 #define IEEE80211_HE_6GHZ_CAP_SM_PS 0x0600
3487 #define IEEE80211_HE_6GHZ_CAP_RD_RESPONDER 0x0800
3488 #define IEEE80211_HE_6GHZ_CAP_RX_ANTPAT_CONS 0x1000
3489 #define IEEE80211_HE_6GHZ_CAP_TX_ANTPAT_CONS 0x2000
3490
3491 /**
3492 * ieee80211_get_qos_ctl - get pointer to qos control bytes
3493 * @hdr: the frame
3494 *
3495 * The qos ctrl bytes come after the frame_control, duration, seq_num
3496 * and 3 or 4 addresses of length ETH_ALEN.
3497 * 3 addr: 2 + 2 + 2 + 3*6 = 24
3498 * 4 addr: 2 + 2 + 2 + 4*6 = 30
3499 */
ieee80211_get_qos_ctl(struct ieee80211_hdr * hdr)3500 static inline u8 *ieee80211_get_qos_ctl(struct ieee80211_hdr *hdr)
3501 {
3502 if (ieee80211_has_a4(hdr->frame_control))
3503 return (u8 *)hdr + 30;
3504 else
3505 return (u8 *)hdr + 24;
3506 }
3507
3508 /**
3509 * ieee80211_get_tid - get qos TID
3510 * @hdr: the frame
3511 */
ieee80211_get_tid(struct ieee80211_hdr * hdr)3512 static inline u8 ieee80211_get_tid(struct ieee80211_hdr *hdr)
3513 {
3514 u8 *qc = ieee80211_get_qos_ctl(hdr);
3515
3516 return qc[0] & IEEE80211_QOS_CTL_TID_MASK;
3517 }
3518
3519 /**
3520 * ieee80211_get_SA - get pointer to SA
3521 * @hdr: the frame
3522 *
3523 * Given an 802.11 frame, this function returns the offset
3524 * to the source address (SA). It does not verify that the
3525 * header is long enough to contain the address, and the
3526 * header must be long enough to contain the frame control
3527 * field.
3528 */
ieee80211_get_SA(struct ieee80211_hdr * hdr)3529 static inline u8 *ieee80211_get_SA(struct ieee80211_hdr *hdr)
3530 {
3531 if (ieee80211_has_a4(hdr->frame_control))
3532 return hdr->addr4;
3533 if (ieee80211_has_fromds(hdr->frame_control))
3534 return hdr->addr3;
3535 return hdr->addr2;
3536 }
3537
3538 /**
3539 * ieee80211_get_DA - get pointer to DA
3540 * @hdr: the frame
3541 *
3542 * Given an 802.11 frame, this function returns the offset
3543 * to the destination address (DA). It does not verify that
3544 * the header is long enough to contain the address, and the
3545 * header must be long enough to contain the frame control
3546 * field.
3547 */
ieee80211_get_DA(struct ieee80211_hdr * hdr)3548 static inline u8 *ieee80211_get_DA(struct ieee80211_hdr *hdr)
3549 {
3550 if (ieee80211_has_tods(hdr->frame_control))
3551 return hdr->addr3;
3552 else
3553 return hdr->addr1;
3554 }
3555
3556 /**
3557 * _ieee80211_is_robust_mgmt_frame - check if frame is a robust management frame
3558 * @hdr: the frame (buffer must include at least the first octet of payload)
3559 */
_ieee80211_is_robust_mgmt_frame(struct ieee80211_hdr * hdr)3560 static inline bool _ieee80211_is_robust_mgmt_frame(struct ieee80211_hdr *hdr)
3561 {
3562 if (ieee80211_is_disassoc(hdr->frame_control) ||
3563 ieee80211_is_deauth(hdr->frame_control))
3564 return true;
3565
3566 if (ieee80211_is_action(hdr->frame_control)) {
3567 u8 *category;
3568
3569 /*
3570 * Action frames, excluding Public Action frames, are Robust
3571 * Management Frames. However, if we are looking at a Protected
3572 * frame, skip the check since the data may be encrypted and
3573 * the frame has already been found to be a Robust Management
3574 * Frame (by the other end).
3575 */
3576 if (ieee80211_has_protected(hdr->frame_control))
3577 return true;
3578 category = ((u8 *) hdr) + 24;
3579 return *category != WLAN_CATEGORY_PUBLIC &&
3580 *category != WLAN_CATEGORY_HT &&
3581 *category != WLAN_CATEGORY_WNM_UNPROTECTED &&
3582 *category != WLAN_CATEGORY_SELF_PROTECTED &&
3583 *category != WLAN_CATEGORY_UNPROT_DMG &&
3584 *category != WLAN_CATEGORY_VHT &&
3585 *category != WLAN_CATEGORY_VENDOR_SPECIFIC;
3586 }
3587
3588 return false;
3589 }
3590
3591 /**
3592 * ieee80211_is_robust_mgmt_frame - check if skb contains a robust mgmt frame
3593 * @skb: the skb containing the frame, length will be checked
3594 */
ieee80211_is_robust_mgmt_frame(struct sk_buff * skb)3595 static inline bool ieee80211_is_robust_mgmt_frame(struct sk_buff *skb)
3596 {
3597 if (skb->len < IEEE80211_MIN_ACTION_SIZE)
3598 return false;
3599 return _ieee80211_is_robust_mgmt_frame((void *)skb->data);
3600 }
3601
3602 /**
3603 * ieee80211_is_public_action - check if frame is a public action frame
3604 * @hdr: the frame
3605 * @len: length of the frame
3606 */
ieee80211_is_public_action(struct ieee80211_hdr * hdr,size_t len)3607 static inline bool ieee80211_is_public_action(struct ieee80211_hdr *hdr,
3608 size_t len)
3609 {
3610 struct ieee80211_mgmt *mgmt = (void *)hdr;
3611
3612 if (len < IEEE80211_MIN_ACTION_SIZE)
3613 return false;
3614 if (!ieee80211_is_action(hdr->frame_control))
3615 return false;
3616 return mgmt->u.action.category == WLAN_CATEGORY_PUBLIC;
3617 }
3618
3619 /**
3620 * _ieee80211_is_group_privacy_action - check if frame is a group addressed
3621 * privacy action frame
3622 * @hdr: the frame
3623 */
_ieee80211_is_group_privacy_action(struct ieee80211_hdr * hdr)3624 static inline bool _ieee80211_is_group_privacy_action(struct ieee80211_hdr *hdr)
3625 {
3626 struct ieee80211_mgmt *mgmt = (void *)hdr;
3627
3628 if (!ieee80211_is_action(hdr->frame_control) ||
3629 !is_multicast_ether_addr(hdr->addr1))
3630 return false;
3631
3632 return mgmt->u.action.category == WLAN_CATEGORY_MESH_ACTION ||
3633 mgmt->u.action.category == WLAN_CATEGORY_MULTIHOP_ACTION;
3634 }
3635
3636 /**
3637 * ieee80211_is_group_privacy_action - check if frame is a group addressed
3638 * privacy action frame
3639 * @skb: the skb containing the frame, length will be checked
3640 */
ieee80211_is_group_privacy_action(struct sk_buff * skb)3641 static inline bool ieee80211_is_group_privacy_action(struct sk_buff *skb)
3642 {
3643 if (skb->len < IEEE80211_MIN_ACTION_SIZE)
3644 return false;
3645 return _ieee80211_is_group_privacy_action((void *)skb->data);
3646 }
3647
3648 /**
3649 * ieee80211_tu_to_usec - convert time units (TU) to microseconds
3650 * @tu: the TUs
3651 */
ieee80211_tu_to_usec(unsigned long tu)3652 static inline unsigned long ieee80211_tu_to_usec(unsigned long tu)
3653 {
3654 return 1024 * tu;
3655 }
3656
3657 /**
3658 * ieee80211_check_tim - check if AID bit is set in TIM
3659 * @tim: the TIM IE
3660 * @tim_len: length of the TIM IE
3661 * @aid: the AID to look for
3662 */
ieee80211_check_tim(const struct ieee80211_tim_ie * tim,u8 tim_len,u16 aid)3663 static inline bool ieee80211_check_tim(const struct ieee80211_tim_ie *tim,
3664 u8 tim_len, u16 aid)
3665 {
3666 u8 mask;
3667 u8 index, indexn1, indexn2;
3668
3669 if (unlikely(!tim || tim_len < sizeof(*tim)))
3670 return false;
3671
3672 aid &= 0x3fff;
3673 index = aid / 8;
3674 mask = 1 << (aid & 7);
3675
3676 indexn1 = tim->bitmap_ctrl & 0xfe;
3677 indexn2 = tim_len + indexn1 - 4;
3678
3679 if (index < indexn1 || index > indexn2)
3680 return false;
3681
3682 index -= indexn1;
3683
3684 return !!(tim->virtual_map[index] & mask);
3685 }
3686
3687 /**
3688 * ieee80211_get_tdls_action - get tdls packet action (or -1, if not tdls packet)
3689 * @skb: the skb containing the frame, length will not be checked
3690 * @hdr_size: the size of the ieee80211_hdr that starts at skb->data
3691 *
3692 * This function assumes the frame is a data frame, and that the network header
3693 * is in the correct place.
3694 */
ieee80211_get_tdls_action(struct sk_buff * skb,u32 hdr_size)3695 static inline int ieee80211_get_tdls_action(struct sk_buff *skb, u32 hdr_size)
3696 {
3697 if (!skb_is_nonlinear(skb) &&
3698 skb->len > (skb_network_offset(skb) + 2)) {
3699 /* Point to where the indication of TDLS should start */
3700 const u8 *tdls_data = skb_network_header(skb) - 2;
3701
3702 if (get_unaligned_be16(tdls_data) == ETH_P_TDLS &&
3703 tdls_data[2] == WLAN_TDLS_SNAP_RFTYPE &&
3704 tdls_data[3] == WLAN_CATEGORY_TDLS)
3705 return tdls_data[4];
3706 }
3707
3708 return -1;
3709 }
3710
3711 /* convert time units */
3712 #define TU_TO_JIFFIES(x) (usecs_to_jiffies((x) * 1024))
3713 #define TU_TO_EXP_TIME(x) (jiffies + TU_TO_JIFFIES(x))
3714
3715 /* convert frequencies */
3716 #define MHZ_TO_KHZ(freq) ((freq) * 1000)
3717 #define KHZ_TO_MHZ(freq) ((freq) / 1000)
3718 #define PR_KHZ(f) KHZ_TO_MHZ(f), f % 1000
3719 #define KHZ_F "%d.%03d"
3720
3721 /* convert powers */
3722 #define DBI_TO_MBI(gain) ((gain) * 100)
3723 #define MBI_TO_DBI(gain) ((gain) / 100)
3724 #define DBM_TO_MBM(gain) ((gain) * 100)
3725 #define MBM_TO_DBM(gain) ((gain) / 100)
3726
3727 /**
3728 * ieee80211_action_contains_tpc - checks if the frame contains TPC element
3729 * @skb: the skb containing the frame, length will be checked
3730 *
3731 * This function checks if it's either TPC report action frame or Link
3732 * Measurement report action frame as defined in IEEE Std. 802.11-2012 8.5.2.5
3733 * and 8.5.7.5 accordingly.
3734 */
ieee80211_action_contains_tpc(struct sk_buff * skb)3735 static inline bool ieee80211_action_contains_tpc(struct sk_buff *skb)
3736 {
3737 struct ieee80211_mgmt *mgmt = (void *)skb->data;
3738
3739 if (!ieee80211_is_action(mgmt->frame_control))
3740 return false;
3741
3742 if (skb->len < IEEE80211_MIN_ACTION_SIZE +
3743 sizeof(mgmt->u.action.u.tpc_report))
3744 return false;
3745
3746 /*
3747 * TPC report - check that:
3748 * category = 0 (Spectrum Management) or 5 (Radio Measurement)
3749 * spectrum management action = 3 (TPC/Link Measurement report)
3750 * TPC report EID = 35
3751 * TPC report element length = 2
3752 *
3753 * The spectrum management's tpc_report struct is used here both for
3754 * parsing tpc_report and radio measurement's link measurement report
3755 * frame, since the relevant part is identical in both frames.
3756 */
3757 if (mgmt->u.action.category != WLAN_CATEGORY_SPECTRUM_MGMT &&
3758 mgmt->u.action.category != WLAN_CATEGORY_RADIO_MEASUREMENT)
3759 return false;
3760
3761 /* both spectrum mgmt and link measurement have same action code */
3762 if (mgmt->u.action.u.tpc_report.action_code !=
3763 WLAN_ACTION_SPCT_TPC_RPRT)
3764 return false;
3765
3766 if (mgmt->u.action.u.tpc_report.tpc_elem_id != WLAN_EID_TPC_REPORT ||
3767 mgmt->u.action.u.tpc_report.tpc_elem_length !=
3768 sizeof(struct ieee80211_tpc_report_ie))
3769 return false;
3770
3771 return true;
3772 }
3773
3774 struct element {
3775 u8 id;
3776 u8 datalen;
3777 u8 data[];
3778 } __packed;
3779
3780 /* element iteration helpers */
3781 #define for_each_element(_elem, _data, _datalen) \
3782 for (_elem = (const struct element *)(_data); \
3783 (const u8 *)(_data) + (_datalen) - (const u8 *)_elem >= \
3784 (int)sizeof(*_elem) && \
3785 (const u8 *)(_data) + (_datalen) - (const u8 *)_elem >= \
3786 (int)sizeof(*_elem) + _elem->datalen; \
3787 _elem = (const struct element *)(_elem->data + _elem->datalen))
3788
3789 #define for_each_element_id(element, _id, data, datalen) \
3790 for_each_element(element, data, datalen) \
3791 if (element->id == (_id))
3792
3793 #define for_each_element_extid(element, extid, _data, _datalen) \
3794 for_each_element(element, _data, _datalen) \
3795 if (element->id == WLAN_EID_EXTENSION && \
3796 element->datalen > 0 && \
3797 element->data[0] == (extid))
3798
3799 #define for_each_subelement(sub, element) \
3800 for_each_element(sub, (element)->data, (element)->datalen)
3801
3802 #define for_each_subelement_id(sub, id, element) \
3803 for_each_element_id(sub, id, (element)->data, (element)->datalen)
3804
3805 #define for_each_subelement_extid(sub, extid, element) \
3806 for_each_element_extid(sub, extid, (element)->data, (element)->datalen)
3807
3808 /**
3809 * for_each_element_completed - determine if element parsing consumed all data
3810 * @element: element pointer after for_each_element() or friends
3811 * @data: same data pointer as passed to for_each_element() or friends
3812 * @datalen: same data length as passed to for_each_element() or friends
3813 *
3814 * This function returns %true if all the data was parsed or considered
3815 * while walking the elements. Only use this if your for_each_element()
3816 * loop cannot be broken out of, otherwise it always returns %false.
3817 *
3818 * If some data was malformed, this returns %false since the last parsed
3819 * element will not fill the whole remaining data.
3820 */
for_each_element_completed(const struct element * element,const void * data,size_t datalen)3821 static inline bool for_each_element_completed(const struct element *element,
3822 const void *data, size_t datalen)
3823 {
3824 return (const u8 *)element == (const u8 *)data + datalen;
3825 }
3826
3827 /**
3828 * RSNX Capabilities:
3829 * bits 0-3: Field length (n-1)
3830 */
3831 #define WLAN_RSNX_CAPA_PROTECTED_TWT BIT(4)
3832 #define WLAN_RSNX_CAPA_SAE_H2E BIT(5)
3833
3834 /*
3835 * reduced neighbor report, based on Draft P802.11ax_D5.0,
3836 * section 9.4.2.170
3837 */
3838 #define IEEE80211_AP_INFO_TBTT_HDR_TYPE 0x03
3839 #define IEEE80211_AP_INFO_TBTT_HDR_FILTERED 0x04
3840 #define IEEE80211_AP_INFO_TBTT_HDR_COLOC 0x08
3841 #define IEEE80211_AP_INFO_TBTT_HDR_COUNT 0xF0
3842 #define IEEE80211_TBTT_INFO_OFFSET_BSSID_BSS_PARAM 8
3843 #define IEEE80211_TBTT_INFO_OFFSET_BSSID_SSSID_BSS_PARAM 12
3844
3845 #define IEEE80211_RNR_TBTT_PARAMS_OCT_RECOMMENDED 0x01
3846 #define IEEE80211_RNR_TBTT_PARAMS_SAME_SSID 0x02
3847 #define IEEE80211_RNR_TBTT_PARAMS_MULTI_BSSID 0x04
3848 #define IEEE80211_RNR_TBTT_PARAMS_TRANSMITTED_BSSID 0x08
3849 #define IEEE80211_RNR_TBTT_PARAMS_COLOC_ESS 0x10
3850 #define IEEE80211_RNR_TBTT_PARAMS_PROBE_ACTIVE 0x20
3851 #define IEEE80211_RNR_TBTT_PARAMS_COLOC_AP 0x40
3852
3853 struct ieee80211_neighbor_ap_info {
3854 u8 tbtt_info_hdr;
3855 u8 tbtt_info_len;
3856 u8 op_class;
3857 u8 channel;
3858 } __packed;
3859
3860 #endif /* LINUX_IEEE80211_H */
3861
