1 /* SPDX-License-Identifier: GPL-2.0 OR BSD-3-Clause */
2 /* Copyright(c) 2007 - 2011 Realtek Corporation. */
3
4 #ifndef __IEEE80211_H
5 #define __IEEE80211_H
6
7 #include "osdep_service.h"
8 #include "drv_types.h"
9 #include "wifi.h"
10 #include <linux/wireless.h>
11
12 #define MGMT_QUEUE_NUM 5
13
14 #define ETH_TYPE_LEN 2
15 #define PAYLOAD_TYPE_LEN 1
16
17 #define RTL_IOCTL_HOSTAPD (SIOCIWFIRSTPRIV + 28)
18
19 /* STA flags */
20 #define WLAN_STA_AUTH BIT(0)
21 #define WLAN_STA_ASSOC BIT(1)
22 #define WLAN_STA_PS BIT(2)
23 #define WLAN_STA_TIM BIT(3)
24 #define WLAN_STA_PERM BIT(4)
25 #define WLAN_STA_AUTHORIZED BIT(5)
26 #define WLAN_STA_PENDING_POLL BIT(6) /* pending activity poll not ACKed */
27 #define WLAN_STA_SHORT_PREAMBLE BIT(7)
28 #define WLAN_STA_PREAUTH BIT(8)
29 #define WLAN_STA_WME BIT(9)
30 #define WLAN_STA_MFP BIT(10)
31 #define WLAN_STA_HT BIT(11)
32 #define WLAN_STA_WPS BIT(12)
33 #define WLAN_STA_MAYBE_WPS BIT(13)
34 #define WLAN_STA_NONERP BIT(31)
35
36 #define IEEE_CMD_SET_WPA_PARAM 1
37 #define IEEE_CMD_SET_WPA_IE 2
38 #define IEEE_CMD_SET_ENCRYPTION 3
39 #define IEEE_CMD_MLME 4
40
41 #define IEEE_PARAM_WPA_ENABLED 1
42 #define IEEE_PARAM_TKIP_COUNTERMEASURES 2
43 #define IEEE_PARAM_DROP_UNENCRYPTED 3
44 #define IEEE_PARAM_PRIVACY_INVOKED 4
45 #define IEEE_PARAM_AUTH_ALGS 5
46 #define IEEE_PARAM_IEEE_802_1X 6
47 #define IEEE_PARAM_WPAX_SELECT 7
48
49 #define AUTH_ALG_OPEN_SYSTEM 0x1
50 #define AUTH_ALG_SHARED_KEY 0x2
51 #define AUTH_ALG_LEAP 0x00000004
52
53 #define IEEE_MLME_STA_DEAUTH 1
54 #define IEEE_MLME_STA_DISASSOC 2
55
56 #define IEEE_CRYPT_ERR_UNKNOWN_ALG 2
57 #define IEEE_CRYPT_ERR_UNKNOWN_ADDR 3
58 #define IEEE_CRYPT_ERR_CRYPT_INIT_FAILED 4
59 #define IEEE_CRYPT_ERR_KEY_SET_FAILED 5
60 #define IEEE_CRYPT_ERR_TX_KEY_SET_FAILED 6
61 #define IEEE_CRYPT_ERR_CARD_CONF_FAILED 7
62
63 #define IEEE_CRYPT_ALG_NAME_LEN 16
64
65 #define WPA_CIPHER_NONE BIT(0)
66 #define WPA_CIPHER_WEP40 BIT(1)
67 #define WPA_CIPHER_WEP104 BIT(2)
68 #define WPA_CIPHER_TKIP BIT(3)
69 #define WPA_CIPHER_CCMP BIT(4)
70
71
72 #define WPA_SELECTOR_LEN 4
73 extern u8 RTW_WPA_OUI_TYPE[];
74 extern u16 RTW_WPA_VERSION;
75 extern u8 WPA_AUTH_KEY_MGMT_NONE[];
76 extern u8 WPA_AUTH_KEY_MGMT_UNSPEC_802_1X[];
77 extern u8 WPA_AUTH_KEY_MGMT_PSK_OVER_802_1X[];
78 extern u8 WPA_CIPHER_SUITE_NONE[];
79 extern u8 WPA_CIPHER_SUITE_WEP40[];
80 extern u8 WPA_CIPHER_SUITE_TKIP[];
81 extern u8 WPA_CIPHER_SUITE_WRAP[];
82 extern u8 WPA_CIPHER_SUITE_CCMP[];
83 extern u8 WPA_CIPHER_SUITE_WEP104[];
84
85 #define RSN_HEADER_LEN 4
86 #define RSN_SELECTOR_LEN 4
87
88 extern u16 RSN_VERSION_BSD;
89 extern u8 RSN_AUTH_KEY_MGMT_UNSPEC_802_1X[];
90 extern u8 RSN_AUTH_KEY_MGMT_PSK_OVER_802_1X[];
91 extern u8 RSN_CIPHER_SUITE_NONE[];
92 extern u8 RSN_CIPHER_SUITE_WEP40[];
93 extern u8 RSN_CIPHER_SUITE_TKIP[];
94 extern u8 RSN_CIPHER_SUITE_WRAP[];
95 extern u8 RSN_CIPHER_SUITE_CCMP[];
96 extern u8 RSN_CIPHER_SUITE_WEP104[];
97
98 enum ratr_table_mode {
99 RATR_INX_WIRELESS_NGB = 0, /* BGN 40 Mhz 2SS 1SS */
100 RATR_INX_WIRELESS_NG = 1, /* GN or N */
101 RATR_INX_WIRELESS_NB = 2, /* BGN 20 Mhz 2SS 1SS or BN */
102 RATR_INX_WIRELESS_N = 3,
103 RATR_INX_WIRELESS_GB = 4,
104 RATR_INX_WIRELESS_G = 5,
105 RATR_INX_WIRELESS_B = 6,
106 RATR_INX_WIRELESS_MC = 7,
107 RATR_INX_WIRELESS_AC_N = 8,
108 };
109
110 enum NETWORK_TYPE {
111 WIRELESS_INVALID = 0,
112 /* Sub-Element */
113 WIRELESS_11B = BIT(0), /* tx:cck only, rx:cck only, hw: cck */
114 WIRELESS_11G = BIT(1), /* tx:ofdm only, rx:ofdm & cck, hw:cck & ofdm*/
115 WIRELESS_11_24N = BIT(3), /* tx:MCS only, rx:MCS & cck, hw:MCS & cck */
116
117 /* Combination */
118 /* tx: cck & ofdm, rx: cck & ofdm & MCS, hw: cck & ofdm */
119 WIRELESS_11BG = (WIRELESS_11B | WIRELESS_11G),
120 /* tx: ofdm & MCS, rx: ofdm & cck & MCS, hw: cck & ofdm */
121 WIRELESS_11G_24N = (WIRELESS_11G | WIRELESS_11_24N),
122 /* tx: ofdm & cck & MCS, rx: ofdm & cck & MCS, hw: ofdm & cck */
123 WIRELESS_11BG_24N = (WIRELESS_11B | WIRELESS_11G | WIRELESS_11_24N),
124 };
125
126 struct ieee_param {
127 u32 cmd;
128 u8 sta_addr[ETH_ALEN];
129 union {
130 struct {
131 u8 name;
132 u32 value;
133 } wpa_param;
134 struct {
135 u32 len;
136 u8 reserved[32];
137 u8 data[];
138 } wpa_ie;
139 struct {
140 int command;
141 int reason_code;
142 } mlme;
143 struct {
144 u8 alg[IEEE_CRYPT_ALG_NAME_LEN];
145 u8 set_tx;
146 u32 err;
147 u8 idx;
148 u8 seq[8]; /* sequence counter (set: RX, get: TX) */
149 u16 key_len;
150 u8 key[];
151 } crypt;
152 struct {
153 u16 aid;
154 u16 capability;
155 int flags;
156 u8 tx_supp_rates[16];
157 struct ieee80211_ht_cap ht_cap;
158 } add_sta;
159 struct {
160 u8 reserved[2];/* for set max_num_sta */
161 u8 buf[];
162 } bcn_ie;
163 } u;
164 };
165
166 #define IEEE80211_DATA_LEN 2304
167 /* Maximum size for the MA-UNITDATA primitive, 802.11 standard section
168 6.2.1.1.2.
169
170 The figure in section 7.1.2 suggests a body size of up to 2312
171 bytes is allowed, which is a bit confusing, I suspect this
172 represents the 2304 bytes of real data, plus a possible 8 bytes of
173 WEP IV and ICV. (this interpretation suggested by Ramiro Barreiro) */
174
175 #define IEEE80211_HLEN 30
176 #define IEEE80211_FRAME_LEN (IEEE80211_DATA_LEN + IEEE80211_HLEN)
177
178 /* this is stolen from ipw2200 driver */
179 #define IEEE_IBSS_MAC_HASH_SIZE 31
180
181 #define IEEE80211_3ADDR_LEN 24
182 #define IEEE80211_4ADDR_LEN 30
183 #define IEEE80211_FCS_LEN 4
184
185 #define MIN_FRAG_THRESHOLD 256U
186 #define MAX_FRAG_THRESHOLD 2346U
187
188 /* Frame control field constants */
189 #define RTW_IEEE80211_FCTL_VERS 0x0003
190 #define RTW_IEEE80211_FCTL_FTYPE 0x000c
191 #define RTW_IEEE80211_FCTL_STYPE 0x00f0
192 #define RTW_IEEE80211_FCTL_TODS 0x0100
193 #define RTW_IEEE80211_FCTL_FROMDS 0x0200
194 #define RTW_IEEE80211_FCTL_MOREFRAGS 0x0400
195 #define RTW_IEEE80211_FCTL_RETRY 0x0800
196 #define RTW_IEEE80211_FCTL_PM 0x1000
197 #define RTW_IEEE80211_FCTL_MOREDATA 0x2000
198 #define RTW_IEEE80211_FCTL_PROTECTED 0x4000
199 #define RTW_IEEE80211_FCTL_ORDER 0x8000
200 #define RTW_IEEE80211_FCTL_CTL_EXT 0x0f00
201
202 #define RTW_IEEE80211_FTYPE_MGMT 0x0000
203 #define RTW_IEEE80211_FTYPE_CTL 0x0004
204 #define RTW_IEEE80211_FTYPE_DATA 0x0008
205 #define RTW_IEEE80211_FTYPE_EXT 0x000c
206
207 /* management */
208 #define RTW_IEEE80211_STYPE_ASSOC_REQ 0x0000
209 #define RTW_IEEE80211_STYPE_ASSOC_RESP 0x0010
210 #define RTW_IEEE80211_STYPE_REASSOC_REQ 0x0020
211 #define RTW_IEEE80211_STYPE_REASSOC_RESP 0x0030
212 #define RTW_IEEE80211_STYPE_PROBE_REQ 0x0040
213 #define RTW_IEEE80211_STYPE_PROBE_RESP 0x0050
214 #define RTW_IEEE80211_STYPE_BEACON 0x0080
215 #define RTW_IEEE80211_STYPE_ATIM 0x0090
216 #define RTW_IEEE80211_STYPE_DISASSOC 0x00A0
217 #define RTW_IEEE80211_STYPE_AUTH 0x00B0
218 #define RTW_IEEE80211_STYPE_DEAUTH 0x00C0
219 #define RTW_IEEE80211_STYPE_ACTION 0x00D0
220
221 /* control */
222 #define RTW_IEEE80211_STYPE_CTL_EXT 0x0060
223 #define RTW_IEEE80211_STYPE_BACK_REQ 0x0080
224 #define RTW_IEEE80211_STYPE_BACK 0x0090
225 #define RTW_IEEE80211_STYPE_PSPOLL 0x00A0
226 #define RTW_IEEE80211_STYPE_RTS 0x00B0
227 #define RTW_IEEE80211_STYPE_CTS 0x00C0
228 #define RTW_IEEE80211_STYPE_ACK 0x00D0
229 #define RTW_IEEE80211_STYPE_CFEND 0x00E0
230 #define RTW_IEEE80211_STYPE_CFENDACK 0x00F0
231
232 /* data */
233 #define RTW_IEEE80211_STYPE_DATA 0x0000
234 #define RTW_IEEE80211_STYPE_DATA_CFACK 0x0010
235 #define RTW_IEEE80211_STYPE_DATA_CFPOLL 0x0020
236 #define RTW_IEEE80211_STYPE_DATA_CFACKPOLL 0x0030
237 #define RTW_IEEE80211_STYPE_NULLFUNC 0x0040
238 #define RTW_IEEE80211_STYPE_CFACK 0x0050
239 #define RTW_IEEE80211_STYPE_CFPOLL 0x0060
240 #define RTW_IEEE80211_STYPE_CFACKPOLL 0x0070
241 #define RTW_IEEE80211_STYPE_QOS_DATA 0x0080
242 #define RTW_IEEE80211_STYPE_QOS_DATA_CFACK 0x0090
243 #define RTW_IEEE80211_STYPE_QOS_DATA_CFPOLL 0x00A0
244 #define RTW_IEEE80211_STYPE_QOS_DATA_CFACKPOLL 0x00B0
245 #define RTW_IEEE80211_STYPE_QOS_NULLFUNC 0x00C0
246 #define RTW_IEEE80211_STYPE_QOS_CFACK 0x00D0
247 #define RTW_IEEE80211_STYPE_QOS_CFPOLL 0x00E0
248 #define RTW_IEEE80211_STYPE_QOS_CFACKPOLL 0x00F0
249
250 /* sequence control field */
251 #define RTW_IEEE80211_SCTL_FRAG 0x000F
252 #define RTW_IEEE80211_SCTL_SEQ 0xFFF0
253
254 #define RTW_ERP_INFO_NON_ERP_PRESENT BIT(0)
255 #define RTW_ERP_INFO_USE_PROTECTION BIT(1)
256 #define RTW_ERP_INFO_BARKER_PREAMBLE_MODE BIT(2)
257
258 /* QoS, QOS */
259 #define NORMAL_ACK 0
260 #define NO_ACK 1
261 #define NON_EXPLICIT_ACK 2
262 #define BLOCK_ACK 3
263
264 #ifndef ETH_P_PAE
265 #define ETH_P_PAE 0x888E /* Port Access Entity (IEEE 802.1X) */
266 #endif /* ETH_P_PAE */
267
268 #define ETH_P_PREAUTH 0x88C7 /* IEEE 802.11i pre-authentication */
269
270 #define ETH_P_ECONET 0x0018
271
272 #ifndef ETH_P_80211_RAW
273 #define ETH_P_80211_RAW (ETH_P_ECONET + 1)
274 #endif
275
276 /* IEEE 802.11 defines */
277
278 #define P80211_OUI_LEN 3
279
280 struct ieee80211_snap_hdr {
281 u8 dsap; /* always 0xAA */
282 u8 ssap; /* always 0xAA */
283 u8 ctrl; /* always 0x03 */
284 u8 oui[P80211_OUI_LEN]; /* organizational universal id */
285 } __packed;
286
287 #define SNAP_SIZE sizeof(struct ieee80211_snap_hdr)
288
289 #define WLAN_FC_GET_TYPE(fc) ((fc) & RTW_IEEE80211_FCTL_FTYPE)
290 #define WLAN_FC_GET_STYPE(fc) ((fc) & RTW_IEEE80211_FCTL_STYPE)
291
292 #define WLAN_QC_GET_TID(qc) ((qc) & 0x0f)
293
294 #define WLAN_GET_SEQ_FRAG(seq) ((seq) & RTW_IEEE80211_SCTL_FRAG)
295 #define WLAN_GET_SEQ_SEQ(seq) ((seq) & RTW_IEEE80211_SCTL_SEQ)
296
297 /* Authentication algorithms */
298 #define WLAN_AUTH_OPEN 0
299 #define WLAN_AUTH_SHARED_KEY 1
300
301 #define WLAN_AUTH_CHALLENGE_LEN 128
302
303 #define WLAN_CAPABILITY_BSS (1<<0)
304 #define WLAN_CAPABILITY_IBSS (1<<1)
305 #define WLAN_CAPABILITY_CF_POLLABLE (1<<2)
306 #define WLAN_CAPABILITY_CF_POLL_REQUEST (1<<3)
307 #define WLAN_CAPABILITY_PRIVACY (1<<4)
308 #define WLAN_CAPABILITY_SHORT_PREAMBLE (1<<5)
309 #define WLAN_CAPABILITY_PBCC (1<<6)
310 #define WLAN_CAPABILITY_CHANNEL_AGILITY (1<<7)
311 #define WLAN_CAPABILITY_SHORT_SLOT (1<<10)
312
313 /* Status codes */
314 #define WLAN_STATUS_SUCCESS 0
315 #define WLAN_STATUS_UNSPECIFIED_FAILURE 1
316 #define WLAN_STATUS_CAPS_UNSUPPORTED 10
317 #define WLAN_STATUS_REASSOC_NO_ASSOC 11
318 #define WLAN_STATUS_ASSOC_DENIED_UNSPEC 12
319 #define WLAN_STATUS_NOT_SUPPORTED_AUTH_ALG 13
320 #define WLAN_STATUS_UNKNOWN_AUTH_TRANSACTION 14
321 #define WLAN_STATUS_CHALLENGE_FAIL 15
322 #define WLAN_STATUS_AUTH_TIMEOUT 16
323 #define WLAN_STATUS_AP_UNABLE_TO_HANDLE_NEW_STA 17
324 #define WLAN_STATUS_ASSOC_DENIED_RATES 18
325 /* 802.11b */
326 #define WLAN_STATUS_ASSOC_DENIED_NOSHORT 19
327 #define WLAN_STATUS_ASSOC_DENIED_NOPBCC 20
328 #define WLAN_STATUS_ASSOC_DENIED_NOAGILITY 21
329
330 /* Reason codes */
331 #define WLAN_REASON_UNSPECIFIED 1
332 #define WLAN_REASON_PREV_AUTH_NOT_VALID 2
333 #define WLAN_REASON_DEAUTH_LEAVING 3
334 #define WLAN_REASON_DISASSOC_DUE_TO_INACTIVITY 4
335 #define WLAN_REASON_DISASSOC_AP_BUSY 5
336 #define WLAN_REASON_CLASS2_FRAME_FROM_NONAUTH_STA 6
337 #define WLAN_REASON_CLASS3_FRAME_FROM_NONASSOC_STA 7
338 #define WLAN_REASON_DISASSOC_STA_HAS_LEFT 8
339 #define WLAN_REASON_STA_REQ_ASSOC_WITHOUT_AUTH 9
340 #define WLAN_REASON_JOIN_WRONG_CHANNEL 65534
341 #define WLAN_REASON_EXPIRATION_CHK 65535
342
343 /* Information Element IDs */
344 #define WLAN_EID_SSID 0
345 #define WLAN_EID_SUPP_RATES 1
346 #define WLAN_EID_FH_PARAMS 2
347 #define WLAN_EID_DS_PARAMS 3
348 #define WLAN_EID_CF_PARAMS 4
349 #define WLAN_EID_TIM 5
350 #define WLAN_EID_IBSS_PARAMS 6
351 #define WLAN_EID_CHALLENGE 16
352 /* EIDs defined by IEEE 802.11h - START */
353 #define WLAN_EID_PWR_CONSTRAINT 32
354 #define WLAN_EID_PWR_CAPABILITY 33
355 #define WLAN_EID_TPC_REQUEST 34
356 #define WLAN_EID_TPC_REPORT 35
357 #define WLAN_EID_SUPPORTED_CHANNELS 36
358 #define WLAN_EID_CHANNEL_SWITCH 37
359 #define WLAN_EID_MEASURE_REQUEST 38
360 #define WLAN_EID_MEASURE_REPORT 39
361 #define WLAN_EID_QUITE 40
362 #define WLAN_EID_IBSS_DFS 41
363 /* EIDs defined by IEEE 802.11h - END */
364 #define WLAN_EID_ERP_INFO 42
365 #define WLAN_EID_HT_CAP 45
366 #define WLAN_EID_RSN 48
367 #define WLAN_EID_EXT_SUPP_RATES 50
368 #define WLAN_EID_MOBILITY_DOMAIN 54
369 #define WLAN_EID_FAST_BSS_TRANSITION 55
370 #define WLAN_EID_TIMEOUT_INTERVAL 56
371 #define WLAN_EID_RIC_DATA 57
372 #define WLAN_EID_HT_OPERATION 61
373 #define WLAN_EID_SECONDARY_CHANNEL_OFFSET 62
374 #define WLAN_EID_20_40_BSS_COEXISTENCE 72
375 #define WLAN_EID_20_40_BSS_INTOLERANT 73
376 #define WLAN_EID_OVERLAPPING_BSS_SCAN_PARAMS 74
377 #define WLAN_EID_MMIE 76
378 #define WLAN_EID_VENDOR_SPECIFIC 221
379 #define WLAN_EID_GENERIC (WLAN_EID_VENDOR_SPECIFIC)
380
381 #define IEEE80211_MGMT_HDR_LEN 24
382 #define IEEE80211_DATA_HDR3_LEN 24
383 #define IEEE80211_DATA_HDR4_LEN 30
384
385 #define IEEE80211_STATMASK_SIGNAL (1<<0)
386 #define IEEE80211_STATMASK_RSSI (1<<1)
387 #define IEEE80211_STATMASK_NOISE (1<<2)
388 #define IEEE80211_STATMASK_RATE (1<<3)
389 #define IEEE80211_STATMASK_WEMASK 0x7
390
391 #define IEEE80211_CCK_MODULATION (1<<0)
392 #define IEEE80211_OFDM_MODULATION (1<<1)
393
394 #define IEEE80211_24GHZ_BAND (1<<0)
395 #define IEEE80211_52GHZ_BAND (1<<1)
396
397 #define IEEE80211_CCK_RATE_LEN 4
398 #define IEEE80211_NUM_OFDM_RATESLEN 8
399
400 #define IEEE80211_CCK_RATE_1MB 0x02
401 #define IEEE80211_CCK_RATE_2MB 0x04
402 #define IEEE80211_CCK_RATE_5MB 0x0B
403 #define IEEE80211_CCK_RATE_11MB 0x16
404 #define IEEE80211_OFDM_RATE_LEN 8
405 #define IEEE80211_OFDM_RATE_6MB 0x0C
406 #define IEEE80211_OFDM_RATE_9MB 0x12
407 #define IEEE80211_OFDM_RATE_12MB 0x18
408 #define IEEE80211_OFDM_RATE_18MB 0x24
409 #define IEEE80211_OFDM_RATE_24MB 0x30
410 #define IEEE80211_OFDM_RATE_36MB 0x48
411 #define IEEE80211_OFDM_RATE_48MB 0x60
412 #define IEEE80211_OFDM_RATE_54MB 0x6C
413 #define IEEE80211_BASIC_RATE_MASK 0x80
414
415 #define IEEE80211_CCK_RATE_1MB_MASK (1<<0)
416 #define IEEE80211_CCK_RATE_2MB_MASK (1<<1)
417 #define IEEE80211_CCK_RATE_5MB_MASK (1<<2)
418 #define IEEE80211_CCK_RATE_11MB_MASK (1<<3)
419 #define IEEE80211_OFDM_RATE_6MB_MASK (1<<4)
420 #define IEEE80211_OFDM_RATE_9MB_MASK (1<<5)
421 #define IEEE80211_OFDM_RATE_12MB_MASK (1<<6)
422 #define IEEE80211_OFDM_RATE_18MB_MASK (1<<7)
423 #define IEEE80211_OFDM_RATE_24MB_MASK (1<<8)
424 #define IEEE80211_OFDM_RATE_36MB_MASK (1<<9)
425 #define IEEE80211_OFDM_RATE_48MB_MASK (1<<10)
426 #define IEEE80211_OFDM_RATE_54MB_MASK (1<<11)
427
428 #define IEEE80211_CCK_RATES_MASK 0x0000000F
429 #define IEEE80211_CCK_BASIC_RATES_MASK (IEEE80211_CCK_RATE_1MB_MASK | \
430 IEEE80211_CCK_RATE_2MB_MASK)
431 #define IEEE80211_CCK_DEFAULT_RATES_MASK \
432 (IEEE80211_CCK_BASIC_RATES_MASK | \
433 IEEE80211_CCK_RATE_5MB_MASK | \
434 IEEE80211_CCK_RATE_11MB_MASK)
435
436 #define IEEE80211_OFDM_RATES_MASK 0x00000FF0
437 #define IEEE80211_OFDM_BASIC_RATES_MASK (IEEE80211_OFDM_RATE_6MB_MASK | \
438 IEEE80211_OFDM_RATE_12MB_MASK | \
439 IEEE80211_OFDM_RATE_24MB_MASK)
440 #define IEEE80211_OFDM_DEFAULT_RATES_MASK \
441 (IEEE80211_OFDM_BASIC_RATES_MASK | \
442 IEEE80211_OFDM_RATE_9MB_MASK | \
443 IEEE80211_OFDM_RATE_18MB_MASK | \
444 IEEE80211_OFDM_RATE_36MB_MASK | \
445 IEEE80211_OFDM_RATE_48MB_MASK | \
446 IEEE80211_OFDM_RATE_54MB_MASK)
447 #define IEEE80211_DEFAULT_RATES_MASK \
448 (IEEE80211_OFDM_DEFAULT_RATES_MASK | \
449 IEEE80211_CCK_DEFAULT_RATES_MASK)
450
451 #define IEEE80211_NUM_OFDM_RATES 8
452 #define IEEE80211_NUM_CCK_RATES 4
453 #define IEEE80211_OFDM_SHIFT_MASK_A 4
454
455 /* IEEE 802.11 requires that STA supports concurrent reception of at least
456 * three fragmented frames. This define can be increased to support more
457 * concurrent frames, but it should be noted that each entry can consume about
458 * 2 kB of RAM and increasing cache size will slow down frame reassembly. */
459 #define IEEE80211_FRAG_CACHE_LEN 4
460
461 #define SEC_KEY_1 (1<<0)
462 #define SEC_KEY_2 (1<<1)
463 #define SEC_KEY_3 (1<<2)
464 #define SEC_KEY_4 (1<<3)
465 #define SEC_ACTIVE_KEY (1<<4)
466 #define SEC_AUTH_MODE (1<<5)
467 #define SEC_UNICAST_GROUP (1<<6)
468 #define SEC_LEVEL (1<<7)
469 #define SEC_ENABLED (1<<8)
470
471 #define SEC_LEVEL_0 0 /* None */
472 #define SEC_LEVEL_1 1 /* WEP 40 and 104 bit */
473 #define SEC_LEVEL_2 2 /* Level 1 + TKIP */
474 #define SEC_LEVEL_2_CKIP 3 /* Level 1 + CKIP */
475 #define SEC_LEVEL_3 4 /* Level 2 + CCMP */
476
477 #define WEP_KEYS 4
478 #define WEP_KEY_LEN 13
479
480 /*
481
482 802.11 data frame from AP
483
484 ,-------------------------------------------------------------------.
485 Bytes | 2 | 2 | 6 | 6 | 6 | 2 | 0..2312 | 4 |
486 |------|------|---------|---------|---------|------|---------|------|
487 Desc. | ctrl | dura | DA/RA | TA | SA | Sequ | frame | fcs |
488 | | tion | (BSSID) | | | ence | data | |
489 `-------------------------------------------------------------------'
490
491 Total: 28-2340 bytes
492
493 */
494
495 #define BEACON_PROBE_SSID_ID_POSITION 12
496
497 /* Management Frame Information Element Types */
498 #define MFIE_TYPE_SSID 0
499 #define MFIE_TYPE_RATES 1
500 #define MFIE_TYPE_FH_SET 2
501 #define MFIE_TYPE_DS_SET 3
502 #define MFIE_TYPE_CF_SET 4
503 #define MFIE_TYPE_TIM 5
504 #define MFIE_TYPE_IBSS_SET 6
505 #define MFIE_TYPE_CHALLENGE 16
506 #define MFIE_TYPE_ERP 42
507 #define MFIE_TYPE_RSN 48
508 #define MFIE_TYPE_RATES_EX 50
509 #define MFIE_TYPE_GENERIC 221
510
511 /*
512 * These are the data types that can make up management packets
513 *
514 u16 auth_algorithm;
515 u16 auth_sequence;
516 u16 beacon_interval;
517 u16 capability;
518 u8 current_ap[ETH_ALEN];
519 u16 listen_interval;
520 struct {
521 u16 association_id:14, reserved:2;
522 } __packed;
523 u32 time_stamp[2];
524 u16 reason;
525 u16 status;
526 */
527
528 #define IEEE80211_DEFAULT_TX_ESSID "Penguin"
529 #define IEEE80211_DEFAULT_BASIC_RATE 10
530
531 /* SWEEP TABLE ENTRIES NUMBER*/
532 #define MAX_SWEEP_TAB_ENTRIES 42
533 #define MAX_SWEEP_TAB_ENTRIES_PER_PACKET 7
534 /* MAX_RATES_LENGTH needs to be 12. The spec says 8, and many APs
535 * only use 8, and then use extended rates for the remaining supported
536 * rates. Other APs, however, stick all of their supported rates on the
537 * main rates information element... */
538 #define MAX_RATES_LENGTH ((u8)12)
539 #define MAX_RATES_EX_LENGTH ((u8)16)
540 #define MAX_NETWORK_COUNT 128
541 #define MAX_CHANNEL_NUMBER 161
542 #define IEEE80211_SOFTMAC_SCAN_TIME 400
543 /* HZ / 2) */
544 #define IEEE80211_SOFTMAC_ASSOC_RETRY_TIME (HZ * 2)
545
546 #define CRC_LENGTH 4U
547
548 #define MAX_WPA_IE_LEN (256)
549 #define MAX_WPS_IE_LEN (512)
550 #define MAX_P2P_IE_LEN (256)
551 #define MAX_WFD_IE_LEN (128)
552
553 #define NETWORK_EMPTY_ESSID (1<<0)
554 #define NETWORK_HAS_OFDM (1<<1)
555 #define NETWORK_HAS_CCK (1<<2)
556
557 #define IEEE80211_DTIM_MBCAST 4
558 #define IEEE80211_DTIM_UCAST 2
559 #define IEEE80211_DTIM_VALID 1
560 #define IEEE80211_DTIM_INVALID 0
561
562 #define IEEE80211_PS_DISABLED 0
563 #define IEEE80211_PS_UNICAST IEEE80211_DTIM_UCAST
564 #define IEEE80211_PS_MBCAST IEEE80211_DTIM_MBCAST
565 #define IW_ESSID_MAX_SIZE 32
566 /*
567 join_res:
568 -1: authentication fail
569 -2: association fail
570 > 0: TID
571 */
572
573 #define DEFAULT_MAX_SCAN_AGE (15 * HZ)
574 #define DEFAULT_FTS 2346
575
is_multicast_mac_addr(const u8 * addr)576 static inline int is_multicast_mac_addr(const u8 *addr)
577 {
578 return ((addr[0] != 0xff) && (0x01 & addr[0]));
579 }
580
is_broadcast_mac_addr(const u8 * addr)581 static inline int is_broadcast_mac_addr(const u8 *addr)
582 {
583 return (addr[0] == 0xff) && (addr[1] == 0xff) && (addr[2] == 0xff) &&
584 (addr[3] == 0xff) && (addr[4] == 0xff) && (addr[5] == 0xff);
585 }
586
587 #define CFG_IEEE80211_RESERVE_FCS (1<<0)
588 #define CFG_IEEE80211_COMPUTE_FCS (1<<1)
589
590 #define MAXTID 16
591
592 /* Action category code */
593 enum rtw_ieee80211_category {
594 RTW_WLAN_CATEGORY_P2P = 0x7f,/* P2P action frames */
595 };
596
597 /* SPECTRUM_MGMT action code */
598 enum rtw_ieee80211_spectrum_mgmt_actioncode {
599 RTW_WLAN_ACTION_SPCT_MSR_REQ = 0,
600 RTW_WLAN_ACTION_SPCT_MSR_RPRT = 1,
601 RTW_WLAN_ACTION_SPCT_TPC_REQ = 2,
602 RTW_WLAN_ACTION_SPCT_TPC_RPRT = 3,
603 RTW_WLAN_ACTION_SPCT_CHL_SWITCH = 4,
604 RTW_WLAN_ACTION_SPCT_EXT_CHL_SWITCH = 5,
605 };
606
607 enum _PUBLIC_ACTION {
608 ACT_PUBLIC_BSSCOEXIST = 0, /* 20/40 BSS Coexistence */
609 ACT_PUBLIC_DSE_ENABLE = 1,
610 ACT_PUBLIC_DSE_DEENABLE = 2,
611 ACT_PUBLIC_DSE_REG_LOCATION = 3,
612 ACT_PUBLIC_EXT_CHL_SWITCH = 4,
613 ACT_PUBLIC_DSE_MSR_REQ = 5,
614 ACT_PUBLIC_DSE_MSR_RPRT = 6,
615 ACT_PUBLIC_MP = 7, /* Measurement Pilot */
616 ACT_PUBLIC_DSE_PWR_CONSTRAINT = 8,
617 ACT_PUBLIC_VENDOR = 9, /* for WIFI_DIRECT */
618 ACT_PUBLIC_GAS_INITIAL_REQ = 10,
619 ACT_PUBLIC_GAS_INITIAL_RSP = 11,
620 ACT_PUBLIC_GAS_COMEBACK_REQ = 12,
621 ACT_PUBLIC_GAS_COMEBACK_RSP = 13,
622 ACT_PUBLIC_TDLS_DISCOVERY_RSP = 14,
623 ACT_PUBLIC_LOCATION_TRACK = 15,
624 ACT_PUBLIC_MAX
625 };
626
627 /* BACK action code */
628 enum rtw_ieee80211_back_actioncode {
629 RTW_WLAN_ACTION_ADDBA_REQ = 0,
630 RTW_WLAN_ACTION_ADDBA_RESP = 1,
631 RTW_WLAN_ACTION_DELBA = 2,
632 };
633
634 #define OUI_MICROSOFT 0x0050f2 /* Microsoft (also used in Wi-Fi specs)
635 * 00:50:F2 */
636 #define WME_OUI_TYPE 2
637 #define WME_OUI_SUBTYPE_INFORMATION_ELEMENT 0
638 #define WME_OUI_SUBTYPE_PARAMETER_ELEMENT 1
639 #define WME_OUI_SUBTYPE_TSPEC_ELEMENT 2
640 #define WME_VERSION 1
641
642 #define WME_ACTION_CODE_SETUP_REQUEST 0
643 #define WME_ACTION_CODE_SETUP_RESPONSE 1
644 #define WME_ACTION_CODE_TEARDOWN 2
645
646 #define WME_SETUP_RESPONSE_STATUS_ADMISSION_ACCEPTED 0
647 #define WME_SETUP_RESPONSE_STATUS_INVALID_PARAMETERS 1
648 #define WME_SETUP_RESPONSE_STATUS_REFUSED 3
649
650 #define WME_TSPEC_DIRECTION_UPLINK 0
651 #define WME_TSPEC_DIRECTION_DOWNLINK 1
652 #define WME_TSPEC_DIRECTION_BI_DIRECTIONAL 3
653
654 #define OUI_BROADCOM 0x00904c /* Broadcom (Epigram) */
655
656 #define VENDOR_HT_CAPAB_OUI_TYPE 0x33 /* 00-90-4c:0x33 */
657
658 /**
659 * enum rtw_ieee80211_channel_flags - channel flags
660 *
661 * Channel flags set by the regulatory control code.
662 *
663 * @RTW_IEEE80211_CHAN_DISABLED: This channel is disabled.
664 * @RTW_IEEE80211_CHAN_PASSIVE_SCAN: Only passive scanning is permitted
665 * on this channel.
666 * @RTW_IEEE80211_CHAN_NO_IBSS: IBSS is not allowed on this channel.
667 * @RTW_IEEE80211_CHAN_RADAR: Radar detection is required on this channel.
668 * @RTW_IEEE80211_CHAN_NO_HT40PLUS: extension channel above this channel
669 * is not permitted.
670 * @RTW_IEEE80211_CHAN_NO_HT40MINUS: extension channel below this channel
671 * is not permitted.
672 */
673 enum rtw_ieee80211_channel_flags {
674 RTW_IEEE80211_CHAN_DISABLED = 1<<0,
675 RTW_IEEE80211_CHAN_PASSIVE_SCAN = 1<<1,
676 RTW_IEEE80211_CHAN_NO_IBSS = 1<<2,
677 RTW_IEEE80211_CHAN_RADAR = 1<<3,
678 RTW_IEEE80211_CHAN_NO_HT40PLUS = 1<<4,
679 RTW_IEEE80211_CHAN_NO_HT40MINUS = 1<<5,
680 };
681
682 #define RTW_IEEE80211_CHAN_NO_HT40 \
683 (RTW_IEEE80211_CHAN_NO_HT40PLUS | RTW_IEEE80211_CHAN_NO_HT40MINUS)
684
685 /* Represent channel details, subset of ieee80211_channel */
686 struct rtw_ieee80211_channel {
687 u16 hw_value;
688 u32 flags;
689 };
690
691 #define CHAN_FMT \
692 "hw_value:%u, " \
693 "flags:0x%08x" \
694
695 #define CHAN_ARG(channel) \
696 (channel)->hw_value \
697 , (channel)->flags \
698
699 /* Parsed Information Elements */
700 struct rtw_ieee802_11_elems {
701 u8 *ssid;
702 u8 ssid_len;
703 u8 *supp_rates;
704 u8 supp_rates_len;
705 u8 *fh_params;
706 u8 fh_params_len;
707 u8 *ds_params;
708 u8 ds_params_len;
709 u8 *cf_params;
710 u8 cf_params_len;
711 u8 *tim;
712 u8 tim_len;
713 u8 *ibss_params;
714 u8 ibss_params_len;
715 u8 *challenge;
716 u8 challenge_len;
717 u8 *erp_info;
718 u8 erp_info_len;
719 u8 *ext_supp_rates;
720 u8 ext_supp_rates_len;
721 u8 *wpa_ie;
722 u8 wpa_ie_len;
723 u8 *rsn_ie;
724 u8 rsn_ie_len;
725 u8 *wme;
726 u8 wme_len;
727 u8 *wme_tspec;
728 u8 wme_tspec_len;
729 u8 *wps_ie;
730 u8 wps_ie_len;
731 u8 *power_cap;
732 u8 power_cap_len;
733 u8 *supp_channels;
734 u8 supp_channels_len;
735 u8 *mdie;
736 u8 mdie_len;
737 u8 *ftie;
738 u8 ftie_len;
739 u8 *timeout_int;
740 u8 timeout_int_len;
741 u8 *ht_capabilities;
742 u8 ht_capabilities_len;
743 u8 *ht_operation;
744 u8 ht_operation_len;
745 u8 *vendor_ht_cap;
746 u8 vendor_ht_cap_len;
747 };
748
749 enum parse_res {
750 ParseOK = 0,
751 ParseUnknown = 1,
752 ParseFailed = -1
753 };
754
755 enum parse_res rtw_ieee802_11_parse_elems(u8 *start, uint len,
756 struct rtw_ieee802_11_elems *elems,
757 int show_errors);
758
759 u8 *rtw_set_fixed_ie(unsigned char *pbuf, unsigned int len,
760 unsigned char *source, unsigned int *frlen);
761 u8 *rtw_set_ie(u8 *pbuf, int index, uint len, u8 *source, uint *frlen);
762 u8 *rtw_get_ie(u8 *pbuf, int index, int *len, int limit);
763
764 void rtw_set_supported_rate(u8 *SupportedRates, uint mode);
765
766 unsigned char *rtw_get_wpa_ie(unsigned char *pie, int *wpa_ie_len, int limit);
767 unsigned char *rtw_get_wpa2_ie(unsigned char *pie, int *rsn_ie_len, int limit);
768 int rtw_get_wpa_cipher_suite(u8 *s);
769 int rtw_get_wpa2_cipher_suite(u8 *s);
770 int rtw_get_wapi_ie(u8 *in_ie, uint in_len, u8 *wapi_ie, u16 *wapi_len);
771 int rtw_parse_wpa_ie(u8 *wpa_ie, int wpa_ie_len, int *group_cipher,
772 int *pairwise_cipher, int *is_8021x);
773 int rtw_parse_wpa2_ie(u8 *wpa_ie, int wpa_ie_len, int *group_cipher,
774 int *pairwise_cipher, int *is_8021x);
775
776 int rtw_get_sec_ie(u8 *in_ie, uint in_len, u8 *rsn_ie, u16 *rsn_len,
777 u8 *wpa_ie, u16 *wpa_len);
778
779 u8 rtw_is_wps_ie(u8 *ie_ptr, uint *wps_ielen);
780 u8 *rtw_get_wps_ie(u8 *in_ie, uint in_len, u8 *wps_ie, uint *wps_ielen);
781 u8 *rtw_get_wps_attr(u8 *wps_ie, uint wps_ielen, u16 target_attr_id,
782 u8 *buf_attr, u32 *len_attr);
783 u8 *rtw_get_wps_attr_content(u8 *wps_ie, uint wps_ielen, u16 target_attr_id,
784 u8 *buf_content, uint *len_content);
785
786 /**
787 * for_each_ie - iterate over continuous IEs
788 * @ie:
789 * @buf:
790 * @buf_len:
791 */
792 #define for_each_ie(ie, buf, buf_len) \
793 for (ie = (void *)buf; (((u8 *)ie) - ((u8 *)buf) + 1) < buf_len; \
794 ie = (void *)(((u8 *)ie) + *(((u8 *)ie)+1) + 2))
795
796 u8 *rtw_get_p2p_ie(u8 *in_ie, int in_len, u8 *p2p_ie, uint *p2p_ielen);
797 u8 *rtw_get_p2p_attr(u8 *p2p_ie, uint p2p_ielen, u8 target_attr_id,
798 u8 *buf_attr, u32 *len_attr);
799 u8 *rtw_get_p2p_attr_content(u8 *p2p_ie, uint p2p_ielen, u8 target_attr_id,
800 u8 *buf_content, uint *len_content);
801 u32 rtw_set_p2p_attr_content(u8 *pbuf, u8 attr_id, u16 attr_len,
802 u8 *pdata_attr);
803 void rtw_wlan_bssid_ex_remove_p2p_attr(struct wlan_bssid_ex *bss_ex,
804 u8 attr_id);
805 uint rtw_get_rateset_len(u8 *rateset);
806
807 struct registry_priv;
808 int rtw_generate_ie(struct registry_priv *pregistrypriv);
809
810 int rtw_get_bit_value_from_ieee_value(u8 val);
811
812 bool rtw_is_cckrates_included(u8 *rate);
813
814 bool rtw_is_cckratesonly_included(u8 *rate);
815
816 int rtw_check_network_type(unsigned char *rate, int ratelen, int channel);
817
818 void rtw_get_bcn_info(struct wlan_network *pnetwork);
819
820 void rtw_macaddr_cfg(u8 *mac_addr);
821
822 u16 rtw_mcs_rate(u8 bw_40MHz, u8 short_GI_20, u8 short_GI_40, unsigned char *MCS_rate);
823
824 #endif /* IEEE80211_H */
825