1 /******************************************************************************
2 *
3 * Copyright(c) 2007 - 2011 Realtek Corporation. All rights reserved.
4 *
5 * This program is free software; you can redistribute it and/or modify it
6 * under the terms of version 2 of the GNU General Public License as
7 * published by the Free Software Foundation.
8 *
9 * This program is distributed in the hope that it will be useful, but WITHOUT
10 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
11 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
12 * more details.
13 *
14 ******************************************************************************/
15 #ifndef __IEEE80211_H
16 #define __IEEE80211_H
17
18 #include <osdep_service.h>
19 #include <drv_types.h>
20 #include "wifi.h"
21 #include <linux/wireless.h>
22
23 #define MGMT_QUEUE_NUM 5
24
25 #define ETH_ALEN 6
26 #define ETH_TYPE_LEN 2
27 #define PAYLOAD_TYPE_LEN 1
28
29 #ifdef CONFIG_88EU_AP_MODE
30
31 #define RTL_IOCTL_HOSTAPD (SIOCIWFIRSTPRIV + 28)
32
33 /* RTL871X_IOCTL_HOSTAPD ioctl() cmd: */
34 enum {
35 RTL871X_HOSTAPD_FLUSH = 1,
36 RTL871X_HOSTAPD_ADD_STA = 2,
37 RTL871X_HOSTAPD_REMOVE_STA = 3,
38 RTL871X_HOSTAPD_GET_INFO_STA = 4,
39 /* REMOVED: PRISM2_HOSTAPD_RESET_TXEXC_STA = 5, */
40 RTL871X_HOSTAPD_GET_WPAIE_STA = 5,
41 RTL871X_SET_ENCRYPTION = 6,
42 RTL871X_GET_ENCRYPTION = 7,
43 RTL871X_HOSTAPD_SET_FLAGS_STA = 8,
44 RTL871X_HOSTAPD_GET_RID = 9,
45 RTL871X_HOSTAPD_SET_RID = 10,
46 RTL871X_HOSTAPD_SET_ASSOC_AP_ADDR = 11,
47 RTL871X_HOSTAPD_SET_GENERIC_ELEMENT = 12,
48 RTL871X_HOSTAPD_MLME = 13,
49 RTL871X_HOSTAPD_SCAN_REQ = 14,
50 RTL871X_HOSTAPD_STA_CLEAR_STATS = 15,
51 RTL871X_HOSTAPD_SET_BEACON = 16,
52 RTL871X_HOSTAPD_SET_WPS_BEACON = 17,
53 RTL871X_HOSTAPD_SET_WPS_PROBE_RESP = 18,
54 RTL871X_HOSTAPD_SET_WPS_ASSOC_RESP = 19,
55 RTL871X_HOSTAPD_SET_HIDDEN_SSID = 20,
56 RTL871X_HOSTAPD_SET_MACADDR_ACL = 21,
57 RTL871X_HOSTAPD_ACL_ADD_STA = 22,
58 RTL871X_HOSTAPD_ACL_REMOVE_STA = 23,
59 };
60
61 /* STA flags */
62 #define WLAN_STA_AUTH BIT(0)
63 #define WLAN_STA_ASSOC BIT(1)
64 #define WLAN_STA_PS BIT(2)
65 #define WLAN_STA_TIM BIT(3)
66 #define WLAN_STA_PERM BIT(4)
67 #define WLAN_STA_AUTHORIZED BIT(5)
68 #define WLAN_STA_PENDING_POLL BIT(6) /* pending activity poll not ACKed */
69 #define WLAN_STA_SHORT_PREAMBLE BIT(7)
70 #define WLAN_STA_PREAUTH BIT(8)
71 #define WLAN_STA_WME BIT(9)
72 #define WLAN_STA_MFP BIT(10)
73 #define WLAN_STA_HT BIT(11)
74 #define WLAN_STA_WPS BIT(12)
75 #define WLAN_STA_MAYBE_WPS BIT(13)
76 #define WLAN_STA_NONERP BIT(31)
77
78 #endif
79
80 #define IEEE_CMD_SET_WPA_PARAM 1
81 #define IEEE_CMD_SET_WPA_IE 2
82 #define IEEE_CMD_SET_ENCRYPTION 3
83 #define IEEE_CMD_MLME 4
84
85 #define IEEE_PARAM_WPA_ENABLED 1
86 #define IEEE_PARAM_TKIP_COUNTERMEASURES 2
87 #define IEEE_PARAM_DROP_UNENCRYPTED 3
88 #define IEEE_PARAM_PRIVACY_INVOKED 4
89 #define IEEE_PARAM_AUTH_ALGS 5
90 #define IEEE_PARAM_IEEE_802_1X 6
91 #define IEEE_PARAM_WPAX_SELECT 7
92
93 #define AUTH_ALG_OPEN_SYSTEM 0x1
94 #define AUTH_ALG_SHARED_KEY 0x2
95 #define AUTH_ALG_LEAP 0x00000004
96
97 #define IEEE_MLME_STA_DEAUTH 1
98 #define IEEE_MLME_STA_DISASSOC 2
99
100 #define IEEE_CRYPT_ERR_UNKNOWN_ALG 2
101 #define IEEE_CRYPT_ERR_UNKNOWN_ADDR 3
102 #define IEEE_CRYPT_ERR_CRYPT_INIT_FAILED 4
103 #define IEEE_CRYPT_ERR_KEY_SET_FAILED 5
104 #define IEEE_CRYPT_ERR_TX_KEY_SET_FAILED 6
105 #define IEEE_CRYPT_ERR_CARD_CONF_FAILED 7
106
107
108 #define IEEE_CRYPT_ALG_NAME_LEN 16
109
110 #define WPA_CIPHER_NONE BIT(0)
111 #define WPA_CIPHER_WEP40 BIT(1)
112 #define WPA_CIPHER_WEP104 BIT(2)
113 #define WPA_CIPHER_TKIP BIT(3)
114 #define WPA_CIPHER_CCMP BIT(4)
115
116
117
118 #define WPA_SELECTOR_LEN 4
119 extern u8 RTW_WPA_OUI_TYPE[];
120 extern u8 WPA_AUTH_KEY_MGMT_NONE[];
121 extern u8 WPA_AUTH_KEY_MGMT_UNSPEC_802_1X[];
122 extern u8 WPA_AUTH_KEY_MGMT_PSK_OVER_802_1X[];
123 extern u8 WPA_CIPHER_SUITE_NONE[];
124 extern u8 WPA_CIPHER_SUITE_WEP40[];
125 extern u8 WPA_CIPHER_SUITE_TKIP[];
126 extern u8 WPA_CIPHER_SUITE_WRAP[];
127 extern u8 WPA_CIPHER_SUITE_CCMP[];
128 extern u8 WPA_CIPHER_SUITE_WEP104[];
129
130
131 #define RSN_HEADER_LEN 4
132 #define RSN_SELECTOR_LEN 4
133
134 extern u16 RSN_VERSION_BSD;
135 extern u8 RSN_AUTH_KEY_MGMT_UNSPEC_802_1X[];
136 extern u8 RSN_AUTH_KEY_MGMT_PSK_OVER_802_1X[];
137 extern u8 RSN_CIPHER_SUITE_NONE[];
138 extern u8 RSN_CIPHER_SUITE_WEP40[];
139 extern u8 RSN_CIPHER_SUITE_TKIP[];
140 extern u8 RSN_CIPHER_SUITE_WRAP[];
141 extern u8 RSN_CIPHER_SUITE_CCMP[];
142 extern u8 RSN_CIPHER_SUITE_WEP104[];
143
144 enum ratr_table_mode {
145 RATR_INX_WIRELESS_NGB = 0, /* BGN 40 Mhz 2SS 1SS */
146 RATR_INX_WIRELESS_NG = 1, /* GN or N */
147 RATR_INX_WIRELESS_NB = 2, /* BGN 20 Mhz 2SS 1SS or BN */
148 RATR_INX_WIRELESS_N = 3,
149 RATR_INX_WIRELESS_GB = 4,
150 RATR_INX_WIRELESS_G = 5,
151 RATR_INX_WIRELESS_B = 6,
152 RATR_INX_WIRELESS_MC = 7,
153 RATR_INX_WIRELESS_AC_N = 8,
154 };
155
156 enum NETWORK_TYPE {
157 WIRELESS_INVALID = 0,
158 /* Sub-Element */
159 WIRELESS_11B = BIT(0), /* tx:cck only, rx:cck only, hw: cck */
160 WIRELESS_11G = BIT(1), /* tx:ofdm only, rx:ofdm & cck, hw:cck & ofdm*/
161 WIRELESS_11A = BIT(2), /* tx:ofdm only, rx: ofdm only, hw:ofdm only */
162 WIRELESS_11_24N = BIT(3), /* tx:MCS only, rx:MCS & cck, hw:MCS & cck */
163 WIRELESS_11_5N = BIT(4), /* tx:MCS only, rx:MCS & ofdm, hw:ofdm only */
164 WIRELESS_AC = BIT(6),
165
166 /* Combination */
167 /* tx: cck & ofdm, rx: cck & ofdm & MCS, hw: cck & ofdm */
168 WIRELESS_11BG = (WIRELESS_11B | WIRELESS_11G),
169 /* tx: ofdm & MCS, rx: ofdm & cck & MCS, hw: cck & ofdm */
170 WIRELESS_11G_24N = (WIRELESS_11G | WIRELESS_11_24N),
171 /* tx: ofdm & MCS, rx: ofdm & MCS, hw: ofdm only */
172 WIRELESS_11A_5N = (WIRELESS_11A | WIRELESS_11_5N),
173 /* tx: ofdm & cck & MCS, rx: ofdm & cck & MCS, hw: ofdm & cck */
174 WIRELESS_11BG_24N = (WIRELESS_11B | WIRELESS_11G | WIRELESS_11_24N),
175 /* tx: ofdm & MCS, rx: ofdm & MCS, hw: ofdm only */
176 WIRELESS_11AGN = (WIRELESS_11A | WIRELESS_11G | WIRELESS_11_24N |
177 WIRELESS_11_5N),
178 WIRELESS_11ABGN = (WIRELESS_11A | WIRELESS_11B | WIRELESS_11G |
179 WIRELESS_11_24N | WIRELESS_11_5N),
180 };
181
182 #define SUPPORTED_24G_NETTYPE_MSK \
183 (WIRELESS_11B | WIRELESS_11G | WIRELESS_11_24N)
184 #define SUPPORTED_5G_NETTYPE_MSK \
185 (WIRELESS_11A | WIRELESS_11_5N)
186
187 #define IsSupported24G(NetType) \
188 ((NetType) & SUPPORTED_24G_NETTYPE_MSK ? true : false)
189 #define IsSupported5G(NetType) \
190 ((NetType) & SUPPORTED_5G_NETTYPE_MSK ? true : false)
191
192 #define IsEnableHWCCK(NetType) \
193 IsSupported24G(NetType)
194 #define IsEnableHWOFDM(NetType) \
195 ((NetType) & (WIRELESS_11G | WIRELESS_11_24N | \
196 SUPPORTED_5G_NETTYPE_MSK) ? true : false)
197
198 #define IsSupportedRxCCK(NetType) IsEnableHWCCK(NetType)
199 #define IsSupportedRxOFDM(NetType) IsEnableHWOFDM(NetType)
200 #define IsSupportedRxMCS(NetType) IsEnableHWOFDM(NetType)
201
202 #define IsSupportedTxCCK(NetType) \
203 ((NetType) & (WIRELESS_11B) ? true : false)
204 #define IsSupportedTxOFDM(NetType) \
205 ((NetType) & (WIRELESS_11G|WIRELESS_11A) ? true : false)
206 #define IsSupportedTxMCS(NetType) \
207 ((NetType) & (WIRELESS_11_24N|WIRELESS_11_5N) ? true : false)
208
209
210 struct ieee_param {
211 u32 cmd;
212 u8 sta_addr[ETH_ALEN];
213 union {
214 struct {
215 u8 name;
216 u32 value;
217 } wpa_param;
218 struct {
219 u32 len;
220 u8 reserved[32];
221 u8 data[0];
222 } wpa_ie;
223 struct {
224 int command;
225 int reason_code;
226 } mlme;
227 struct {
228 u8 alg[IEEE_CRYPT_ALG_NAME_LEN];
229 u8 set_tx;
230 u32 err;
231 u8 idx;
232 u8 seq[8]; /* sequence counter (set: RX, get: TX) */
233 u16 key_len;
234 u8 key[0];
235 } crypt;
236 #ifdef CONFIG_88EU_AP_MODE
237 struct {
238 u16 aid;
239 u16 capability;
240 int flags;
241 u8 tx_supp_rates[16];
242 struct ieee80211_ht_cap ht_cap;
243 } add_sta;
244 struct {
245 u8 reserved[2];/* for set max_num_sta */
246 u8 buf[0];
247 } bcn_ie;
248 #endif
249
250 } u;
251 };
252
253 #ifdef CONFIG_88EU_AP_MODE
254 struct ieee_param_ex {
255 u32 cmd;
256 u8 sta_addr[ETH_ALEN];
257 u8 data[0];
258 };
259
260 struct sta_data {
261 u16 aid;
262 u16 capability;
263 int flags;
264 u32 sta_set;
265 u8 tx_supp_rates[16];
266 u32 tx_supp_rates_len;
267 struct ieee80211_ht_cap ht_cap;
268 u64 rx_pkts;
269 u64 rx_bytes;
270 u64 rx_drops;
271 u64 tx_pkts;
272 u64 tx_bytes;
273 u64 tx_drops;
274 };
275 #endif
276
277 #define IEEE80211_DATA_LEN 2304
278 /* Maximum size for the MA-UNITDATA primitive, 802.11 standard section
279 6.2.1.1.2.
280
281 The figure in section 7.1.2 suggests a body size of up to 2312
282 bytes is allowed, which is a bit confusing, I suspect this
283 represents the 2304 bytes of real data, plus a possible 8 bytes of
284 WEP IV and ICV. (this interpretation suggested by Ramiro Barreiro) */
285
286
287 #define IEEE80211_HLEN 30
288 #define IEEE80211_FRAME_LEN (IEEE80211_DATA_LEN + IEEE80211_HLEN)
289
290
291 /* this is stolen from ipw2200 driver */
292 #define IEEE_IBSS_MAC_HASH_SIZE 31
293
294 enum eap_type {
295 EAP_PACKET = 0,
296 EAPOL_START,
297 EAPOL_LOGOFF,
298 EAPOL_KEY,
299 EAPOL_ENCAP_ASF_ALERT
300 };
301
302 #define IEEE80211_3ADDR_LEN 24
303 #define IEEE80211_4ADDR_LEN 30
304 #define IEEE80211_FCS_LEN 4
305
306 #define MIN_FRAG_THRESHOLD 256U
307 #define MAX_FRAG_THRESHOLD 2346U
308
309 /* Frame control field constants */
310 #define RTW_IEEE80211_FCTL_VERS 0x0003
311 #define RTW_IEEE80211_FCTL_FTYPE 0x000c
312 #define RTW_IEEE80211_FCTL_STYPE 0x00f0
313 #define RTW_IEEE80211_FCTL_TODS 0x0100
314 #define RTW_IEEE80211_FCTL_FROMDS 0x0200
315 #define RTW_IEEE80211_FCTL_MOREFRAGS 0x0400
316 #define RTW_IEEE80211_FCTL_RETRY 0x0800
317 #define RTW_IEEE80211_FCTL_PM 0x1000
318 #define RTW_IEEE80211_FCTL_MOREDATA 0x2000
319 #define RTW_IEEE80211_FCTL_PROTECTED 0x4000
320 #define RTW_IEEE80211_FCTL_ORDER 0x8000
321 #define RTW_IEEE80211_FCTL_CTL_EXT 0x0f00
322
323 #define RTW_IEEE80211_FTYPE_MGMT 0x0000
324 #define RTW_IEEE80211_FTYPE_CTL 0x0004
325 #define RTW_IEEE80211_FTYPE_DATA 0x0008
326 #define RTW_IEEE80211_FTYPE_EXT 0x000c
327
328 /* management */
329 #define RTW_IEEE80211_STYPE_ASSOC_REQ 0x0000
330 #define RTW_IEEE80211_STYPE_ASSOC_RESP 0x0010
331 #define RTW_IEEE80211_STYPE_REASSOC_REQ 0x0020
332 #define RTW_IEEE80211_STYPE_REASSOC_RESP 0x0030
333 #define RTW_IEEE80211_STYPE_PROBE_REQ 0x0040
334 #define RTW_IEEE80211_STYPE_PROBE_RESP 0x0050
335 #define RTW_IEEE80211_STYPE_BEACON 0x0080
336 #define RTW_IEEE80211_STYPE_ATIM 0x0090
337 #define RTW_IEEE80211_STYPE_DISASSOC 0x00A0
338 #define RTW_IEEE80211_STYPE_AUTH 0x00B0
339 #define RTW_IEEE80211_STYPE_DEAUTH 0x00C0
340 #define RTW_IEEE80211_STYPE_ACTION 0x00D0
341
342 /* control */
343 #define RTW_IEEE80211_STYPE_CTL_EXT 0x0060
344 #define RTW_IEEE80211_STYPE_BACK_REQ 0x0080
345 #define RTW_IEEE80211_STYPE_BACK 0x0090
346 #define RTW_IEEE80211_STYPE_PSPOLL 0x00A0
347 #define RTW_IEEE80211_STYPE_RTS 0x00B0
348 #define RTW_IEEE80211_STYPE_CTS 0x00C0
349 #define RTW_IEEE80211_STYPE_ACK 0x00D0
350 #define RTW_IEEE80211_STYPE_CFEND 0x00E0
351 #define RTW_IEEE80211_STYPE_CFENDACK 0x00F0
352
353 /* data */
354 #define RTW_IEEE80211_STYPE_DATA 0x0000
355 #define RTW_IEEE80211_STYPE_DATA_CFACK 0x0010
356 #define RTW_IEEE80211_STYPE_DATA_CFPOLL 0x0020
357 #define RTW_IEEE80211_STYPE_DATA_CFACKPOLL 0x0030
358 #define RTW_IEEE80211_STYPE_NULLFUNC 0x0040
359 #define RTW_IEEE80211_STYPE_CFACK 0x0050
360 #define RTW_IEEE80211_STYPE_CFPOLL 0x0060
361 #define RTW_IEEE80211_STYPE_CFACKPOLL 0x0070
362 #define RTW_IEEE80211_STYPE_QOS_DATA 0x0080
363 #define RTW_IEEE80211_STYPE_QOS_DATA_CFACK 0x0090
364 #define RTW_IEEE80211_STYPE_QOS_DATA_CFPOLL 0x00A0
365 #define RTW_IEEE80211_STYPE_QOS_DATA_CFACKPOLL 0x00B0
366 #define RTW_IEEE80211_STYPE_QOS_NULLFUNC 0x00C0
367 #define RTW_IEEE80211_STYPE_QOS_CFACK 0x00D0
368 #define RTW_IEEE80211_STYPE_QOS_CFPOLL 0x00E0
369 #define RTW_IEEE80211_STYPE_QOS_CFACKPOLL 0x00F0
370
371 /* sequence control field */
372 #define RTW_IEEE80211_SCTL_FRAG 0x000F
373 #define RTW_IEEE80211_SCTL_SEQ 0xFFF0
374
375
376 #define RTW_ERP_INFO_NON_ERP_PRESENT BIT(0)
377 #define RTW_ERP_INFO_USE_PROTECTION BIT(1)
378 #define RTW_ERP_INFO_BARKER_PREAMBLE_MODE BIT(2)
379
380 /* QoS, QOS */
381 #define NORMAL_ACK 0
382 #define NO_ACK 1
383 #define NON_EXPLICIT_ACK 2
384 #define BLOCK_ACK 3
385
386 #ifndef ETH_P_PAE
387 #define ETH_P_PAE 0x888E /* Port Access Entity (IEEE 802.1X) */
388 #endif /* ETH_P_PAE */
389
390 #define ETH_P_PREAUTH 0x88C7 /* IEEE 802.11i pre-authentication */
391
392 #define ETH_P_ECONET 0x0018
393
394 #ifndef ETH_P_80211_RAW
395 #define ETH_P_80211_RAW (ETH_P_ECONET + 1)
396 #endif
397
398 /* IEEE 802.11 defines */
399
400 #define P80211_OUI_LEN 3
401
402 struct ieee80211_snap_hdr {
403 u8 dsap; /* always 0xAA */
404 u8 ssap; /* always 0xAA */
405 u8 ctrl; /* always 0x03 */
406 u8 oui[P80211_OUI_LEN]; /* organizational universal id */
407 } __packed;
408
409 #define SNAP_SIZE sizeof(struct ieee80211_snap_hdr)
410
411 #define WLAN_FC_GET_TYPE(fc) ((fc) & RTW_IEEE80211_FCTL_FTYPE)
412 #define WLAN_FC_GET_STYPE(fc) ((fc) & RTW_IEEE80211_FCTL_STYPE)
413
414 #define WLAN_QC_GET_TID(qc) ((qc) & 0x0f)
415
416 #define WLAN_GET_SEQ_FRAG(seq) ((seq) & RTW_IEEE80211_SCTL_FRAG)
417 #define WLAN_GET_SEQ_SEQ(seq) ((seq) & RTW_IEEE80211_SCTL_SEQ)
418
419 /* Non standard? Not in <linux/ieee80211.h> */
420 #define WLAN_REASON_EXPIRATION_CHK 65535
421
422 #define IEEE80211_MGMT_HDR_LEN 24
423 #define IEEE80211_DATA_HDR3_LEN 24
424 #define IEEE80211_DATA_HDR4_LEN 30
425
426
427 #define IEEE80211_STATMASK_SIGNAL (1<<0)
428 #define IEEE80211_STATMASK_RSSI (1<<1)
429 #define IEEE80211_STATMASK_NOISE (1<<2)
430 #define IEEE80211_STATMASK_RATE (1<<3)
431 #define IEEE80211_STATMASK_WEMASK 0x7
432
433
434 #define IEEE80211_CCK_MODULATION (1<<0)
435 #define IEEE80211_OFDM_MODULATION (1<<1)
436
437 #define IEEE80211_24GHZ_BAND (1<<0)
438 #define IEEE80211_52GHZ_BAND (1<<1)
439
440 #define IEEE80211_CCK_RATE_LEN 4
441 #define IEEE80211_NUM_OFDM_RATESLEN 8
442
443
444 #define IEEE80211_CCK_RATE_1MB 0x02
445 #define IEEE80211_CCK_RATE_2MB 0x04
446 #define IEEE80211_CCK_RATE_5MB 0x0B
447 #define IEEE80211_CCK_RATE_11MB 0x16
448 #define IEEE80211_OFDM_RATE_LEN 8
449 #define IEEE80211_OFDM_RATE_6MB 0x0C
450 #define IEEE80211_OFDM_RATE_9MB 0x12
451 #define IEEE80211_OFDM_RATE_12MB 0x18
452 #define IEEE80211_OFDM_RATE_18MB 0x24
453 #define IEEE80211_OFDM_RATE_24MB 0x30
454 #define IEEE80211_OFDM_RATE_36MB 0x48
455 #define IEEE80211_OFDM_RATE_48MB 0x60
456 #define IEEE80211_OFDM_RATE_54MB 0x6C
457 #define IEEE80211_BASIC_RATE_MASK 0x80
458
459 #define IEEE80211_CCK_RATE_1MB_MASK (1<<0)
460 #define IEEE80211_CCK_RATE_2MB_MASK (1<<1)
461 #define IEEE80211_CCK_RATE_5MB_MASK (1<<2)
462 #define IEEE80211_CCK_RATE_11MB_MASK (1<<3)
463 #define IEEE80211_OFDM_RATE_6MB_MASK (1<<4)
464 #define IEEE80211_OFDM_RATE_9MB_MASK (1<<5)
465 #define IEEE80211_OFDM_RATE_12MB_MASK (1<<6)
466 #define IEEE80211_OFDM_RATE_18MB_MASK (1<<7)
467 #define IEEE80211_OFDM_RATE_24MB_MASK (1<<8)
468 #define IEEE80211_OFDM_RATE_36MB_MASK (1<<9)
469 #define IEEE80211_OFDM_RATE_48MB_MASK (1<<10)
470 #define IEEE80211_OFDM_RATE_54MB_MASK (1<<11)
471
472 #define IEEE80211_CCK_RATES_MASK 0x0000000F
473 #define IEEE80211_CCK_BASIC_RATES_MASK (IEEE80211_CCK_RATE_1MB_MASK | \
474 IEEE80211_CCK_RATE_2MB_MASK)
475 #define IEEE80211_CCK_DEFAULT_RATES_MASK \
476 (IEEE80211_CCK_BASIC_RATES_MASK | \
477 IEEE80211_CCK_RATE_5MB_MASK | \
478 IEEE80211_CCK_RATE_11MB_MASK)
479
480 #define IEEE80211_OFDM_RATES_MASK 0x00000FF0
481 #define IEEE80211_OFDM_BASIC_RATES_MASK (IEEE80211_OFDM_RATE_6MB_MASK | \
482 IEEE80211_OFDM_RATE_12MB_MASK | \
483 IEEE80211_OFDM_RATE_24MB_MASK)
484 #define IEEE80211_OFDM_DEFAULT_RATES_MASK \
485 (IEEE80211_OFDM_BASIC_RATES_MASK | \
486 IEEE80211_OFDM_RATE_9MB_MASK | \
487 IEEE80211_OFDM_RATE_18MB_MASK | \
488 IEEE80211_OFDM_RATE_36MB_MASK | \
489 IEEE80211_OFDM_RATE_48MB_MASK | \
490 IEEE80211_OFDM_RATE_54MB_MASK)
491 #define IEEE80211_DEFAULT_RATES_MASK \
492 (IEEE80211_OFDM_DEFAULT_RATES_MASK | \
493 IEEE80211_CCK_DEFAULT_RATES_MASK)
494
495 #define IEEE80211_NUM_OFDM_RATES 8
496 #define IEEE80211_NUM_CCK_RATES 4
497 #define IEEE80211_OFDM_SHIFT_MASK_A 4
498
499 /* IEEE 802.11 requires that STA supports concurrent reception of at least
500 * three fragmented frames. This define can be increased to support more
501 * concurrent frames, but it should be noted that each entry can consume about
502 * 2 kB of RAM and increasing cache size will slow down frame reassembly. */
503 #define IEEE80211_FRAG_CACHE_LEN 4
504
505 #define SEC_KEY_1 (1<<0)
506 #define SEC_KEY_2 (1<<1)
507 #define SEC_KEY_3 (1<<2)
508 #define SEC_KEY_4 (1<<3)
509 #define SEC_ACTIVE_KEY (1<<4)
510 #define SEC_AUTH_MODE (1<<5)
511 #define SEC_UNICAST_GROUP (1<<6)
512 #define SEC_LEVEL (1<<7)
513 #define SEC_ENABLED (1<<8)
514
515 #define SEC_LEVEL_0 0 /* None */
516 #define SEC_LEVEL_1 1 /* WEP 40 and 104 bit */
517 #define SEC_LEVEL_2 2 /* Level 1 + TKIP */
518 #define SEC_LEVEL_2_CKIP 3 /* Level 1 + CKIP */
519 #define SEC_LEVEL_3 4 /* Level 2 + CCMP */
520
521 #define WEP_KEYS 4
522 #define WEP_KEY_LEN 13
523
524 #define BEACON_PROBE_SSID_ID_POSITION 12
525
526 /* Management Frame Information Element Types */
527 #define MFIE_TYPE_SSID 0
528 #define MFIE_TYPE_RATES 1
529 #define MFIE_TYPE_FH_SET 2
530 #define MFIE_TYPE_DS_SET 3
531 #define MFIE_TYPE_CF_SET 4
532 #define MFIE_TYPE_TIM 5
533 #define MFIE_TYPE_IBSS_SET 6
534 #define MFIE_TYPE_CHALLENGE 16
535 #define MFIE_TYPE_ERP 42
536 #define MFIE_TYPE_RSN 48
537 #define MFIE_TYPE_RATES_EX 50
538 #define MFIE_TYPE_GENERIC 221
539
540 #define IEEE80211_DEFAULT_TX_ESSID "Penguin"
541 #define IEEE80211_DEFAULT_BASIC_RATE 10
542
543 /* SWEEP TABLE ENTRIES NUMBER*/
544 #define MAX_SWEEP_TAB_ENTRIES 42
545 #define MAX_SWEEP_TAB_ENTRIES_PER_PACKET 7
546 /* MAX_RATES_LENGTH needs to be 12. The spec says 8, and many APs
547 * only use 8, and then use extended rates for the remaining supported
548 * rates. Other APs, however, stick all of their supported rates on the
549 * main rates information element... */
550 #define MAX_RATES_LENGTH ((u8)12)
551 #define MAX_RATES_EX_LENGTH ((u8)16)
552 #define MAX_NETWORK_COUNT 128
553 #define MAX_CHANNEL_NUMBER 161
554 #define IEEE80211_SOFTMAC_SCAN_TIME 400
555 /* HZ / 2) */
556 #define IEEE80211_SOFTMAC_ASSOC_RETRY_TIME (HZ * 2)
557
558 #define CRC_LENGTH 4U
559
560 #define MAX_WPA_IE_LEN (256)
561 #define MAX_WPS_IE_LEN (512)
562 #define MAX_P2P_IE_LEN (256)
563 #define MAX_WFD_IE_LEN (128)
564
565 #define NETWORK_EMPTY_ESSID (1<<0)
566 #define NETWORK_HAS_OFDM (1<<1)
567 #define NETWORK_HAS_CCK (1<<2)
568
569 #define IEEE80211_DTIM_MBCAST 4
570 #define IEEE80211_DTIM_UCAST 2
571 #define IEEE80211_DTIM_VALID 1
572 #define IEEE80211_DTIM_INVALID 0
573
574 #define IEEE80211_PS_DISABLED 0
575 #define IEEE80211_PS_UNICAST IEEE80211_DTIM_UCAST
576 #define IEEE80211_PS_MBCAST IEEE80211_DTIM_MBCAST
577 #define IW_ESSID_MAX_SIZE 32
578 /*
579 join_res:
580 -1: authentication fail
581 -2: association fail
582 > 0: TID
583 */
584
585 enum ieee80211_state {
586 /* the card is not linked at all */
587 IEEE80211_NOLINK = 0,
588
589 /* IEEE80211_ASSOCIATING* are for BSS client mode
590 * the driver shall not perform RX filtering unless
591 * the state is LINKED.
592 * The driver shall just check for the state LINKED and
593 * defaults to NOLINK for ALL the other states (including
594 * LINKED_SCANNING)
595 */
596
597 /* the association procedure will start (wq scheduling)*/
598 IEEE80211_ASSOCIATING,
599 IEEE80211_ASSOCIATING_RETRY,
600
601 /* the association procedure is sending AUTH request*/
602 IEEE80211_ASSOCIATING_AUTHENTICATING,
603
604 /* the association procedure has successfully authentcated
605 * and is sending association request
606 */
607 IEEE80211_ASSOCIATING_AUTHENTICATED,
608
609 /* the link is ok. the card associated to a BSS or linked
610 * to a ibss cell or acting as an AP and creating the bss
611 */
612 IEEE80211_LINKED,
613
614 /* same as LINKED, but the driver shall apply RX filter
615 * rules as we are in NO_LINK mode. As the card is still
616 * logically linked, but it is doing a syncro site survey
617 * then it will be back to LINKED state.
618 */
619 IEEE80211_LINKED_SCANNING,
620
621 };
622
623 #define DEFAULT_MAX_SCAN_AGE (15 * HZ)
624 #define DEFAULT_FTS 2346
625
is_multicast_mac_addr(const u8 * addr)626 static inline int is_multicast_mac_addr(const u8 *addr)
627 {
628 return ((addr[0] != 0xff) && (0x01 & addr[0]));
629 }
630
is_broadcast_mac_addr(const u8 * addr)631 static inline int is_broadcast_mac_addr(const u8 *addr)
632 {
633 return (addr[0] == 0xff) && (addr[1] == 0xff) && (addr[2] == 0xff) &&
634 (addr[3] == 0xff) && (addr[4] == 0xff) && (addr[5] == 0xff);
635 }
636
637 #define CFG_IEEE80211_RESERVE_FCS (1<<0)
638 #define CFG_IEEE80211_COMPUTE_FCS (1<<1)
639
640 #define MAXTID 16
641
642 #define IEEE_A (1<<0)
643 #define IEEE_B (1<<1)
644 #define IEEE_G (1<<2)
645 #define IEEE_MODE_MASK (IEEE_A|IEEE_B|IEEE_G)
646
647 /* Baron move to ieee80211.c */
648 int ieee80211_is_empty_essid(const char *essid, int essid_len);
649 int ieee80211_get_hdrlen(u16 fc);
650
651 /* Action category code */
652 enum rtw_ieee80211_category {
653 RTW_WLAN_CATEGORY_SPECTRUM_MGMT = 0,
654 RTW_WLAN_CATEGORY_QOS = 1,
655 RTW_WLAN_CATEGORY_DLS = 2,
656 RTW_WLAN_CATEGORY_BACK = 3,
657 RTW_WLAN_CATEGORY_PUBLIC = 4, /* IEEE 802.11 public action frames */
658 RTW_WLAN_CATEGORY_RADIO_MEASUREMENT = 5,
659 RTW_WLAN_CATEGORY_FT = 6,
660 RTW_WLAN_CATEGORY_HT = 7,
661 RTW_WLAN_CATEGORY_SA_QUERY = 8,
662 RTW_WLAN_CATEGORY_TDLS = 12,
663 RTW_WLAN_CATEGORY_WMM = 17,
664 RTW_WLAN_CATEGORY_P2P = 0x7f,/* P2P action frames */
665 };
666
667 /* SPECTRUM_MGMT action code */
668 enum rtw_ieee80211_spectrum_mgmt_actioncode {
669 RTW_WLAN_ACTION_SPCT_MSR_REQ = 0,
670 RTW_WLAN_ACTION_SPCT_MSR_RPRT = 1,
671 RTW_WLAN_ACTION_SPCT_TPC_REQ = 2,
672 RTW_WLAN_ACTION_SPCT_TPC_RPRT = 3,
673 RTW_WLAN_ACTION_SPCT_CHL_SWITCH = 4,
674 RTW_WLAN_ACTION_SPCT_EXT_CHL_SWITCH = 5,
675 };
676
677 enum _PUBLIC_ACTION {
678 ACT_PUBLIC_BSSCOEXIST = 0, /* 20/40 BSS Coexistence */
679 ACT_PUBLIC_DSE_ENABLE = 1,
680 ACT_PUBLIC_DSE_DEENABLE = 2,
681 ACT_PUBLIC_DSE_REG_LOCATION = 3,
682 ACT_PUBLIC_EXT_CHL_SWITCH = 4,
683 ACT_PUBLIC_DSE_MSR_REQ = 5,
684 ACT_PUBLIC_DSE_MSR_RPRT = 6,
685 ACT_PUBLIC_MP = 7, /* Measurement Pilot */
686 ACT_PUBLIC_DSE_PWR_CONSTRAINT = 8,
687 ACT_PUBLIC_VENDOR = 9, /* for WIFI_DIRECT */
688 ACT_PUBLIC_GAS_INITIAL_REQ = 10,
689 ACT_PUBLIC_GAS_INITIAL_RSP = 11,
690 ACT_PUBLIC_GAS_COMEBACK_REQ = 12,
691 ACT_PUBLIC_GAS_COMEBACK_RSP = 13,
692 ACT_PUBLIC_TDLS_DISCOVERY_RSP = 14,
693 ACT_PUBLIC_LOCATION_TRACK = 15,
694 ACT_PUBLIC_MAX
695 };
696
697 /* BACK action code */
698 enum rtw_ieee80211_back_actioncode {
699 RTW_WLAN_ACTION_ADDBA_REQ = 0,
700 RTW_WLAN_ACTION_ADDBA_RESP = 1,
701 RTW_WLAN_ACTION_DELBA = 2,
702 };
703
704 /* HT features action code */
705 enum rtw_ieee80211_ht_actioncode {
706 RTW_WLAN_ACTION_NOTIFY_CH_WIDTH = 0,
707 RTW_WLAN_ACTION_SM_PS = 1,
708 RTW_WLAN_ACTION_PSPM = 2,
709 RTW_WLAN_ACTION_PCO_PHASE = 3,
710 RTW_WLAN_ACTION_MIMO_CSI_MX = 4,
711 RTW_WLAN_ACTION_MIMO_NONCP_BF = 5,
712 RTW_WLAN_ACTION_MIMP_CP_BF = 6,
713 RTW_WLAN_ACTION_ASEL_INDICATES_FB = 7,
714 RTW_WLAN_ACTION_HI_INFO_EXCHG = 8,
715 };
716
717 /* BACK (block-ack) parties */
718 enum rtw_ieee80211_back_parties {
719 RTW_WLAN_BACK_RECIPIENT = 0,
720 RTW_WLAN_BACK_INITIATOR = 1,
721 RTW_WLAN_BACK_TIMER = 2,
722 };
723
724 #define OUI_MICROSOFT 0x0050f2 /* Microsoft (also used in Wi-Fi specs)
725 * 00:50:F2 */
726 #define WME_OUI_TYPE 2
727 #define WME_OUI_SUBTYPE_INFORMATION_ELEMENT 0
728 #define WME_OUI_SUBTYPE_PARAMETER_ELEMENT 1
729 #define WME_OUI_SUBTYPE_TSPEC_ELEMENT 2
730 #define WME_VERSION 1
731
732 #define WME_ACTION_CODE_SETUP_REQUEST 0
733 #define WME_ACTION_CODE_SETUP_RESPONSE 1
734 #define WME_ACTION_CODE_TEARDOWN 2
735
736 #define WME_SETUP_RESPONSE_STATUS_ADMISSION_ACCEPTED 0
737 #define WME_SETUP_RESPONSE_STATUS_INVALID_PARAMETERS 1
738 #define WME_SETUP_RESPONSE_STATUS_REFUSED 3
739
740 #define WME_TSPEC_DIRECTION_UPLINK 0
741 #define WME_TSPEC_DIRECTION_DOWNLINK 1
742 #define WME_TSPEC_DIRECTION_BI_DIRECTIONAL 3
743
744
745 #define OUI_BROADCOM 0x00904c /* Broadcom (Epigram) */
746
747 #define VENDOR_HT_CAPAB_OUI_TYPE 0x33 /* 00-90-4c:0x33 */
748
749 /**
750 * enum rtw_ieee80211_channel_flags - channel flags
751 *
752 * Channel flags set by the regulatory control code.
753 *
754 * @RTW_IEEE80211_CHAN_DISABLED: This channel is disabled.
755 * @RTW_IEEE80211_CHAN_PASSIVE_SCAN: Only passive scanning is permitted
756 * on this channel.
757 * @RTW_IEEE80211_CHAN_NO_IBSS: IBSS is not allowed on this channel.
758 * @RTW_IEEE80211_CHAN_RADAR: Radar detection is required on this channel.
759 * @RTW_IEEE80211_CHAN_NO_HT40PLUS: extension channel above this channel
760 * is not permitted.
761 * @RTW_IEEE80211_CHAN_NO_HT40MINUS: extension channel below this channel
762 * is not permitted.
763 */
764 enum rtw_ieee80211_channel_flags {
765 RTW_IEEE80211_CHAN_DISABLED = 1<<0,
766 RTW_IEEE80211_CHAN_PASSIVE_SCAN = 1<<1,
767 RTW_IEEE80211_CHAN_NO_IBSS = 1<<2,
768 RTW_IEEE80211_CHAN_RADAR = 1<<3,
769 RTW_IEEE80211_CHAN_NO_HT40PLUS = 1<<4,
770 RTW_IEEE80211_CHAN_NO_HT40MINUS = 1<<5,
771 };
772
773 #define RTW_IEEE80211_CHAN_NO_HT40 \
774 (RTW_IEEE80211_CHAN_NO_HT40PLUS | RTW_IEEE80211_CHAN_NO_HT40MINUS)
775
776 /* Represent channel details, subset of ieee80211_channel */
777 struct rtw_ieee80211_channel {
778 u16 hw_value;
779 u32 flags;
780 };
781
782 #define CHAN_FMT \
783 "hw_value:%u, " \
784 "flags:0x%08x" \
785
786 #define CHAN_ARG(channel) \
787 (channel)->hw_value \
788 , (channel)->flags \
789
790 /* Parsed Information Elements */
791 struct rtw_ieee802_11_elems {
792 u8 *ssid;
793 u8 ssid_len;
794 u8 *supp_rates;
795 u8 supp_rates_len;
796 u8 *fh_params;
797 u8 fh_params_len;
798 u8 *ds_params;
799 u8 ds_params_len;
800 u8 *cf_params;
801 u8 cf_params_len;
802 u8 *tim;
803 u8 tim_len;
804 u8 *ibss_params;
805 u8 ibss_params_len;
806 u8 *challenge;
807 u8 challenge_len;
808 u8 *erp_info;
809 u8 erp_info_len;
810 u8 *ext_supp_rates;
811 u8 ext_supp_rates_len;
812 u8 *wpa_ie;
813 u8 wpa_ie_len;
814 u8 *rsn_ie;
815 u8 rsn_ie_len;
816 u8 *wme;
817 u8 wme_len;
818 u8 *wme_tspec;
819 u8 wme_tspec_len;
820 u8 *wps_ie;
821 u8 wps_ie_len;
822 u8 *power_cap;
823 u8 power_cap_len;
824 u8 *supp_channels;
825 u8 supp_channels_len;
826 u8 *mdie;
827 u8 mdie_len;
828 u8 *ftie;
829 u8 ftie_len;
830 u8 *timeout_int;
831 u8 timeout_int_len;
832 u8 *ht_capabilities;
833 u8 ht_capabilities_len;
834 u8 *ht_operation;
835 u8 ht_operation_len;
836 u8 *vendor_ht_cap;
837 u8 vendor_ht_cap_len;
838 };
839
840 enum parse_res {
841 ParseOK = 0,
842 ParseUnknown = 1,
843 ParseFailed = -1
844 };
845
846 enum parse_res rtw_ieee802_11_parse_elems(u8 *start, uint len,
847 struct rtw_ieee802_11_elems *elems,
848 int show_errors);
849
850 u8 *rtw_set_fixed_ie(void *pbuf, unsigned int len,
851 void *source, unsigned int *frlen);
852 u8 *rtw_set_ie(u8 *pbuf, int index, uint len, u8 *source, uint *frlen);
853
854 enum secondary_ch_offset {
855 SCN = 0, /* no secondary channel */
856 SCA = 1, /* secondary channel above */
857 SCB = 3, /* secondary channel below */
858 };
859
860 u8 *rtw_get_ie(u8 *pbuf, int index, int *len, int limit);
861
862 void rtw_set_supported_rate(u8 *SupportedRates, uint mode);
863
864 unsigned char *rtw_get_wpa_ie(unsigned char *pie, int *wpa_ie_len, int limit);
865 unsigned char *rtw_get_wpa2_ie(unsigned char *pie, int *rsn_ie_len, int limit);
866 int rtw_get_wpa_cipher_suite(u8 *s);
867 int rtw_get_wpa2_cipher_suite(u8 *s);
868 int rtw_get_wapi_ie(u8 *in_ie, uint in_len, u8 *wapi_ie, u16 *wapi_len);
869 int rtw_parse_wpa_ie(u8 *wpa_ie, int wpa_ie_len, int *group_cipher,
870 int *pairwise_cipher, int *is_8021x);
871 int rtw_parse_wpa2_ie(u8 *wpa_ie, int wpa_ie_len, int *group_cipher,
872 int *pairwise_cipher, int *is_8021x);
873
874 int rtw_get_sec_ie(u8 *in_ie, uint in_len, u8 *rsn_ie, u16 *rsn_len,
875 u8 *wpa_ie, u16 *wpa_len);
876
877 u8 rtw_is_wps_ie(u8 *ie_ptr, uint *wps_ielen);
878 u8 *rtw_get_wps_ie(u8 *in_ie, uint in_len, u8 *wps_ie, uint *wps_ielen);
879 u8 *rtw_get_wps_attr(u8 *wps_ie, uint wps_ielen, u16 target_attr_id,
880 u8 *buf_attr, u32 *len_attr);
881 u8 *rtw_get_wps_attr_content(u8 *wps_ie, uint wps_ielen, u16 target_attr_id,
882 u8 *buf_content, uint *len_content);
883
884 uint rtw_get_rateset_len(u8 *rateset);
885
886 struct registry_priv;
887 int rtw_generate_ie(struct registry_priv *pregistrypriv);
888
889
890 int rtw_get_bit_value_from_ieee_value(u8 val);
891
892 uint rtw_is_cckrates_included(u8 *rate);
893
894 uint rtw_is_cckratesonly_included(u8 *rate);
895
896 int rtw_check_network_type(unsigned char *rate, int ratelen, int channel);
897
898 void rtw_get_bcn_info(struct wlan_network *pnetwork);
899
900 void rtw_macaddr_cfg(u8 *mac_addr);
901
902 u16 rtw_mcs_rate(u8 rf_type, u8 bw_40MHz, u8 short_GI_20, u8 short_GI_40,
903 unsigned char *MCS_rate);
904
905 #endif /* IEEE80211_H */
906