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 /* sequence control field */
310 #define RTW_IEEE80211_SCTL_FRAG 0x000F
311 #define RTW_IEEE80211_SCTL_SEQ 0xFFF0
312
313
314 #define RTW_ERP_INFO_NON_ERP_PRESENT BIT(0)
315 #define RTW_ERP_INFO_USE_PROTECTION BIT(1)
316 #define RTW_ERP_INFO_BARKER_PREAMBLE_MODE BIT(2)
317
318 /* QoS, QOS */
319 #define NORMAL_ACK 0
320 #define NO_ACK 1
321 #define NON_EXPLICIT_ACK 2
322 #define BLOCK_ACK 3
323
324 #ifndef ETH_P_PAE
325 #define ETH_P_PAE 0x888E /* Port Access Entity (IEEE 802.1X) */
326 #endif /* ETH_P_PAE */
327
328 #define ETH_P_PREAUTH 0x88C7 /* IEEE 802.11i pre-authentication */
329
330 #define ETH_P_ECONET 0x0018
331
332 #ifndef ETH_P_80211_RAW
333 #define ETH_P_80211_RAW (ETH_P_ECONET + 1)
334 #endif
335
336 /* IEEE 802.11 defines */
337
338 #define P80211_OUI_LEN 3
339
340 struct ieee80211_snap_hdr {
341 u8 dsap; /* always 0xAA */
342 u8 ssap; /* always 0xAA */
343 u8 ctrl; /* always 0x03 */
344 u8 oui[P80211_OUI_LEN]; /* organizational universal id */
345 } __packed;
346
347 #define SNAP_SIZE sizeof(struct ieee80211_snap_hdr)
348
349 #define WLAN_QC_GET_TID(qc) ((qc) & 0x0f)
350
351 #define WLAN_GET_SEQ_FRAG(seq) ((seq) & RTW_IEEE80211_SCTL_FRAG)
352 #define WLAN_GET_SEQ_SEQ(seq) ((seq) & RTW_IEEE80211_SCTL_SEQ)
353
354 /* Non standard? Not in <linux/ieee80211.h> */
355 #define WLAN_REASON_EXPIRATION_CHK 65535
356
357 #define IEEE80211_MGMT_HDR_LEN 24
358 #define IEEE80211_DATA_HDR3_LEN 24
359 #define IEEE80211_DATA_HDR4_LEN 30
360
361 #define IEEE80211_CCK_MODULATION (1<<0)
362 #define IEEE80211_OFDM_MODULATION (1<<1)
363
364 #define IEEE80211_24GHZ_BAND (1<<0)
365 #define IEEE80211_52GHZ_BAND (1<<1)
366
367 #define IEEE80211_CCK_RATE_LEN 4
368 #define IEEE80211_NUM_OFDM_RATESLEN 8
369
370
371 #define IEEE80211_CCK_RATE_1MB 0x02
372 #define IEEE80211_CCK_RATE_2MB 0x04
373 #define IEEE80211_CCK_RATE_5MB 0x0B
374 #define IEEE80211_CCK_RATE_11MB 0x16
375 #define IEEE80211_OFDM_RATE_LEN 8
376 #define IEEE80211_OFDM_RATE_6MB 0x0C
377 #define IEEE80211_OFDM_RATE_9MB 0x12
378 #define IEEE80211_OFDM_RATE_12MB 0x18
379 #define IEEE80211_OFDM_RATE_18MB 0x24
380 #define IEEE80211_OFDM_RATE_24MB 0x30
381 #define IEEE80211_OFDM_RATE_36MB 0x48
382 #define IEEE80211_OFDM_RATE_48MB 0x60
383 #define IEEE80211_OFDM_RATE_54MB 0x6C
384 #define IEEE80211_BASIC_RATE_MASK 0x80
385
386 #define IEEE80211_CCK_RATE_1MB_MASK (1<<0)
387 #define IEEE80211_CCK_RATE_2MB_MASK (1<<1)
388 #define IEEE80211_CCK_RATE_5MB_MASK (1<<2)
389 #define IEEE80211_CCK_RATE_11MB_MASK (1<<3)
390 #define IEEE80211_OFDM_RATE_6MB_MASK (1<<4)
391 #define IEEE80211_OFDM_RATE_9MB_MASK (1<<5)
392 #define IEEE80211_OFDM_RATE_12MB_MASK (1<<6)
393 #define IEEE80211_OFDM_RATE_18MB_MASK (1<<7)
394 #define IEEE80211_OFDM_RATE_24MB_MASK (1<<8)
395 #define IEEE80211_OFDM_RATE_36MB_MASK (1<<9)
396 #define IEEE80211_OFDM_RATE_48MB_MASK (1<<10)
397 #define IEEE80211_OFDM_RATE_54MB_MASK (1<<11)
398
399 #define IEEE80211_CCK_RATES_MASK 0x0000000F
400 #define IEEE80211_CCK_BASIC_RATES_MASK (IEEE80211_CCK_RATE_1MB_MASK | \
401 IEEE80211_CCK_RATE_2MB_MASK)
402 #define IEEE80211_CCK_DEFAULT_RATES_MASK \
403 (IEEE80211_CCK_BASIC_RATES_MASK | \
404 IEEE80211_CCK_RATE_5MB_MASK | \
405 IEEE80211_CCK_RATE_11MB_MASK)
406
407 #define IEEE80211_OFDM_RATES_MASK 0x00000FF0
408 #define IEEE80211_OFDM_BASIC_RATES_MASK (IEEE80211_OFDM_RATE_6MB_MASK | \
409 IEEE80211_OFDM_RATE_12MB_MASK | \
410 IEEE80211_OFDM_RATE_24MB_MASK)
411 #define IEEE80211_OFDM_DEFAULT_RATES_MASK \
412 (IEEE80211_OFDM_BASIC_RATES_MASK | \
413 IEEE80211_OFDM_RATE_9MB_MASK | \
414 IEEE80211_OFDM_RATE_18MB_MASK | \
415 IEEE80211_OFDM_RATE_36MB_MASK | \
416 IEEE80211_OFDM_RATE_48MB_MASK | \
417 IEEE80211_OFDM_RATE_54MB_MASK)
418
419 #define IEEE80211_NUM_OFDM_RATES 8
420 #define IEEE80211_NUM_CCK_RATES 4
421 #define IEEE80211_OFDM_SHIFT_MASK_A 4
422
423 /* IEEE 802.11 requires that STA supports concurrent reception of at least
424 * three fragmented frames. This define can be increased to support more
425 * concurrent frames, but it should be noted that each entry can consume about
426 * 2 kB of RAM and increasing cache size will slow down frame reassembly. */
427 #define IEEE80211_FRAG_CACHE_LEN 4
428
429 #define SEC_KEY_1 (1<<0)
430 #define SEC_KEY_2 (1<<1)
431 #define SEC_KEY_3 (1<<2)
432 #define SEC_KEY_4 (1<<3)
433 #define SEC_ACTIVE_KEY (1<<4)
434 #define SEC_AUTH_MODE (1<<5)
435 #define SEC_UNICAST_GROUP (1<<6)
436 #define SEC_LEVEL (1<<7)
437 #define SEC_ENABLED (1<<8)
438
439 #define SEC_LEVEL_0 0 /* None */
440 #define SEC_LEVEL_1 1 /* WEP 40 and 104 bit */
441 #define SEC_LEVEL_2 2 /* Level 1 + TKIP */
442 #define SEC_LEVEL_2_CKIP 3 /* Level 1 + CKIP */
443 #define SEC_LEVEL_3 4 /* Level 2 + CCMP */
444
445 #define WEP_KEYS 4
446 #define WEP_KEY_LEN 13
447
448 /* SWEEP TABLE ENTRIES NUMBER*/
449 #define MAX_SWEEP_TAB_ENTRIES 42
450 #define MAX_SWEEP_TAB_ENTRIES_PER_PACKET 7
451 /* MAX_RATES_LENGTH needs to be 12. The spec says 8, and many APs
452 * only use 8, and then use extended rates for the remaining supported
453 * rates. Other APs, however, stick all of their supported rates on the
454 * main rates information element... */
455 #define MAX_RATES_LENGTH ((u8)12)
456 #define MAX_RATES_EX_LENGTH ((u8)16)
457 #define MAX_NETWORK_COUNT 128
458 #define MAX_CHANNEL_NUMBER 161
459 #define IEEE80211_SOFTMAC_SCAN_TIME 400
460 /* HZ / 2) */
461 #define IEEE80211_SOFTMAC_ASSOC_RETRY_TIME (HZ * 2)
462
463 #define CRC_LENGTH 4U
464
465 #define MAX_WPA_IE_LEN (256)
466 #define MAX_WPS_IE_LEN (512)
467 #define MAX_P2P_IE_LEN (256)
468 #define MAX_WFD_IE_LEN (128)
469
470 #define NETWORK_EMPTY_ESSID (1<<0)
471 #define NETWORK_HAS_OFDM (1<<1)
472 #define NETWORK_HAS_CCK (1<<2)
473
474 #define IW_ESSID_MAX_SIZE 32
475 /*
476 join_res:
477 -1: authentication fail
478 -2: association fail
479 > 0: TID
480 */
481
482 enum ieee80211_state {
483 /* the card is not linked at all */
484 IEEE80211_NOLINK = 0,
485
486 /* IEEE80211_ASSOCIATING* are for BSS client mode
487 * the driver shall not perform RX filtering unless
488 * the state is LINKED.
489 * The driver shall just check for the state LINKED and
490 * defaults to NOLINK for ALL the other states (including
491 * LINKED_SCANNING)
492 */
493
494 /* the association procedure will start (wq scheduling)*/
495 IEEE80211_ASSOCIATING,
496 IEEE80211_ASSOCIATING_RETRY,
497
498 /* the association procedure is sending AUTH request*/
499 IEEE80211_ASSOCIATING_AUTHENTICATING,
500
501 /* the association procedure has successfully authentcated
502 * and is sending association request
503 */
504 IEEE80211_ASSOCIATING_AUTHENTICATED,
505
506 /* the link is ok. the card associated to a BSS or linked
507 * to a ibss cell or acting as an AP and creating the bss
508 */
509 IEEE80211_LINKED,
510
511 /* same as LINKED, but the driver shall apply RX filter
512 * rules as we are in NO_LINK mode. As the card is still
513 * logically linked, but it is doing a syncro site survey
514 * then it will be back to LINKED state.
515 */
516 IEEE80211_LINKED_SCANNING,
517
518 };
519
520 #define DEFAULT_MAX_SCAN_AGE (15 * HZ)
521 #define DEFAULT_FTS 2346
522
is_multicast_mac_addr(const u8 * addr)523 static inline int is_multicast_mac_addr(const u8 *addr)
524 {
525 return ((addr[0] != 0xff) && (0x01 & addr[0]));
526 }
527
is_broadcast_mac_addr(const u8 * addr)528 static inline int is_broadcast_mac_addr(const u8 *addr)
529 {
530 return (addr[0] == 0xff) && (addr[1] == 0xff) && (addr[2] == 0xff) &&
531 (addr[3] == 0xff) && (addr[4] == 0xff) && (addr[5] == 0xff);
532 }
533
534 #define CFG_IEEE80211_RESERVE_FCS (1<<0)
535 #define CFG_IEEE80211_COMPUTE_FCS (1<<1)
536
537 #define MAXTID 16
538
539 #define IEEE_A (1<<0)
540 #define IEEE_B (1<<1)
541 #define IEEE_G (1<<2)
542 #define IEEE_MODE_MASK (IEEE_A|IEEE_B|IEEE_G)
543
544 /* Action category code */
545 enum rtw_ieee80211_category {
546 RTW_WLAN_CATEGORY_SPECTRUM_MGMT = 0,
547 RTW_WLAN_CATEGORY_QOS = 1,
548 RTW_WLAN_CATEGORY_DLS = 2,
549 RTW_WLAN_CATEGORY_BACK = 3,
550 RTW_WLAN_CATEGORY_PUBLIC = 4, /* IEEE 802.11 public action frames */
551 RTW_WLAN_CATEGORY_RADIO_MEASUREMENT = 5,
552 RTW_WLAN_CATEGORY_FT = 6,
553 RTW_WLAN_CATEGORY_HT = 7,
554 RTW_WLAN_CATEGORY_SA_QUERY = 8,
555 RTW_WLAN_CATEGORY_TDLS = 12,
556 RTW_WLAN_CATEGORY_WMM = 17,
557 RTW_WLAN_CATEGORY_P2P = 0x7f,/* P2P action frames */
558 };
559
560 /* SPECTRUM_MGMT action code */
561 enum rtw_ieee80211_spectrum_mgmt_actioncode {
562 RTW_WLAN_ACTION_SPCT_MSR_REQ = 0,
563 RTW_WLAN_ACTION_SPCT_MSR_RPRT = 1,
564 RTW_WLAN_ACTION_SPCT_TPC_REQ = 2,
565 RTW_WLAN_ACTION_SPCT_TPC_RPRT = 3,
566 RTW_WLAN_ACTION_SPCT_CHL_SWITCH = 4,
567 RTW_WLAN_ACTION_SPCT_EXT_CHL_SWITCH = 5,
568 };
569
570 enum _PUBLIC_ACTION {
571 ACT_PUBLIC_BSSCOEXIST = 0, /* 20/40 BSS Coexistence */
572 ACT_PUBLIC_DSE_ENABLE = 1,
573 ACT_PUBLIC_DSE_DEENABLE = 2,
574 ACT_PUBLIC_DSE_REG_LOCATION = 3,
575 ACT_PUBLIC_EXT_CHL_SWITCH = 4,
576 ACT_PUBLIC_DSE_MSR_REQ = 5,
577 ACT_PUBLIC_DSE_MSR_RPRT = 6,
578 ACT_PUBLIC_MP = 7, /* Measurement Pilot */
579 ACT_PUBLIC_DSE_PWR_CONSTRAINT = 8,
580 ACT_PUBLIC_VENDOR = 9, /* for WIFI_DIRECT */
581 ACT_PUBLIC_GAS_INITIAL_REQ = 10,
582 ACT_PUBLIC_GAS_INITIAL_RSP = 11,
583 ACT_PUBLIC_GAS_COMEBACK_REQ = 12,
584 ACT_PUBLIC_GAS_COMEBACK_RSP = 13,
585 ACT_PUBLIC_TDLS_DISCOVERY_RSP = 14,
586 ACT_PUBLIC_LOCATION_TRACK = 15,
587 ACT_PUBLIC_MAX
588 };
589
590 /* BACK action code */
591 enum rtw_ieee80211_back_actioncode {
592 RTW_WLAN_ACTION_ADDBA_REQ = 0,
593 RTW_WLAN_ACTION_ADDBA_RESP = 1,
594 RTW_WLAN_ACTION_DELBA = 2,
595 };
596
597 /* HT features action code */
598 enum rtw_ieee80211_ht_actioncode {
599 RTW_WLAN_ACTION_NOTIFY_CH_WIDTH = 0,
600 RTW_WLAN_ACTION_SM_PS = 1,
601 RTW_WLAN_ACTION_PSPM = 2,
602 RTW_WLAN_ACTION_PCO_PHASE = 3,
603 RTW_WLAN_ACTION_MIMO_CSI_MX = 4,
604 RTW_WLAN_ACTION_MIMO_NONCP_BF = 5,
605 RTW_WLAN_ACTION_MIMP_CP_BF = 6,
606 RTW_WLAN_ACTION_ASEL_INDICATES_FB = 7,
607 RTW_WLAN_ACTION_HI_INFO_EXCHG = 8,
608 };
609
610 /* BACK (block-ack) parties */
611 enum rtw_ieee80211_back_parties {
612 RTW_WLAN_BACK_RECIPIENT = 0,
613 RTW_WLAN_BACK_INITIATOR = 1,
614 RTW_WLAN_BACK_TIMER = 2,
615 };
616
617 #define OUI_MICROSOFT 0x0050f2 /* Microsoft (also used in Wi-Fi specs)
618 * 00:50:F2 */
619 #define WME_OUI_TYPE 2
620 #define WME_OUI_SUBTYPE_INFORMATION_ELEMENT 0
621 #define WME_OUI_SUBTYPE_PARAMETER_ELEMENT 1
622 #define WME_OUI_SUBTYPE_TSPEC_ELEMENT 2
623 #define WME_VERSION 1
624
625 #define WME_ACTION_CODE_SETUP_REQUEST 0
626 #define WME_ACTION_CODE_SETUP_RESPONSE 1
627 #define WME_ACTION_CODE_TEARDOWN 2
628
629 #define WME_SETUP_RESPONSE_STATUS_ADMISSION_ACCEPTED 0
630 #define WME_SETUP_RESPONSE_STATUS_INVALID_PARAMETERS 1
631 #define WME_SETUP_RESPONSE_STATUS_REFUSED 3
632
633 #define WME_TSPEC_DIRECTION_UPLINK 0
634 #define WME_TSPEC_DIRECTION_DOWNLINK 1
635 #define WME_TSPEC_DIRECTION_BI_DIRECTIONAL 3
636
637
638 #define OUI_BROADCOM 0x00904c /* Broadcom (Epigram) */
639
640 #define VENDOR_HT_CAPAB_OUI_TYPE 0x33 /* 00-90-4c:0x33 */
641
642 /**
643 * enum rtw_ieee80211_channel_flags - channel flags
644 *
645 * Channel flags set by the regulatory control code.
646 *
647 * @RTW_IEEE80211_CHAN_DISABLED: This channel is disabled.
648 * @RTW_IEEE80211_CHAN_PASSIVE_SCAN: Only passive scanning is permitted
649 * on this channel.
650 * @RTW_IEEE80211_CHAN_NO_IBSS: IBSS is not allowed on this channel.
651 * @RTW_IEEE80211_CHAN_RADAR: Radar detection is required on this channel.
652 * @RTW_IEEE80211_CHAN_NO_HT40PLUS: extension channel above this channel
653 * is not permitted.
654 * @RTW_IEEE80211_CHAN_NO_HT40MINUS: extension channel below this channel
655 * is not permitted.
656 */
657 enum rtw_ieee80211_channel_flags {
658 RTW_IEEE80211_CHAN_DISABLED = 1<<0,
659 RTW_IEEE80211_CHAN_PASSIVE_SCAN = 1<<1,
660 RTW_IEEE80211_CHAN_NO_IBSS = 1<<2,
661 RTW_IEEE80211_CHAN_RADAR = 1<<3,
662 RTW_IEEE80211_CHAN_NO_HT40PLUS = 1<<4,
663 RTW_IEEE80211_CHAN_NO_HT40MINUS = 1<<5,
664 };
665
666 #define RTW_IEEE80211_CHAN_NO_HT40 \
667 (RTW_IEEE80211_CHAN_NO_HT40PLUS | RTW_IEEE80211_CHAN_NO_HT40MINUS)
668
669 /* Represent channel details, subset of ieee80211_channel */
670 struct rtw_ieee80211_channel {
671 u16 hw_value;
672 u32 flags;
673 };
674
675 #define CHAN_FMT \
676 "hw_value:%u, " \
677 "flags:0x%08x" \
678
679 #define CHAN_ARG(channel) \
680 (channel)->hw_value \
681 , (channel)->flags \
682
683 /* Parsed Information Elements */
684 struct rtw_ieee802_11_elems {
685 u8 *ssid;
686 u8 ssid_len;
687 u8 *supp_rates;
688 u8 supp_rates_len;
689 u8 *fh_params;
690 u8 fh_params_len;
691 u8 *ds_params;
692 u8 ds_params_len;
693 u8 *cf_params;
694 u8 cf_params_len;
695 u8 *tim;
696 u8 tim_len;
697 u8 *ibss_params;
698 u8 ibss_params_len;
699 u8 *challenge;
700 u8 challenge_len;
701 u8 *erp_info;
702 u8 erp_info_len;
703 u8 *ext_supp_rates;
704 u8 ext_supp_rates_len;
705 u8 *wpa_ie;
706 u8 wpa_ie_len;
707 u8 *rsn_ie;
708 u8 rsn_ie_len;
709 u8 *wme;
710 u8 wme_len;
711 u8 *wme_tspec;
712 u8 wme_tspec_len;
713 u8 *wps_ie;
714 u8 wps_ie_len;
715 u8 *power_cap;
716 u8 power_cap_len;
717 u8 *supp_channels;
718 u8 supp_channels_len;
719 u8 *mdie;
720 u8 mdie_len;
721 u8 *ftie;
722 u8 ftie_len;
723 u8 *timeout_int;
724 u8 timeout_int_len;
725 u8 *ht_capabilities;
726 u8 ht_capabilities_len;
727 u8 *ht_operation;
728 u8 ht_operation_len;
729 u8 *vendor_ht_cap;
730 u8 vendor_ht_cap_len;
731 };
732
733 enum parse_res {
734 ParseOK = 0,
735 ParseUnknown = 1,
736 ParseFailed = -1
737 };
738
739 enum parse_res rtw_ieee802_11_parse_elems(u8 *start, uint len,
740 struct rtw_ieee802_11_elems *elems,
741 int show_errors);
742
743 u8 *rtw_set_fixed_ie(void *pbuf, unsigned int len,
744 void *source, unsigned int *frlen);
745 u8 *rtw_set_ie(u8 *pbuf, int index, uint len, u8 *source, uint *frlen);
746
747 enum secondary_ch_offset {
748 SCN = 0, /* no secondary channel */
749 SCA = 1, /* secondary channel above */
750 SCB = 3, /* secondary channel below */
751 };
752
753 u8 *rtw_get_ie(u8 *pbuf, int index, uint *len, int limit);
754
755 void rtw_set_supported_rate(u8 *SupportedRates, uint mode);
756
757 unsigned char *rtw_get_wpa_ie(unsigned char *pie, uint *wpa_ie_len, int limit);
758 unsigned char *rtw_get_wpa2_ie(unsigned char *pie, uint *rsn_ie_len, int limit);
759 int rtw_get_wpa_cipher_suite(u8 *s);
760 int rtw_get_wpa2_cipher_suite(u8 *s);
761 int rtw_get_wapi_ie(u8 *in_ie, uint in_len, u8 *wapi_ie, u16 *wapi_len);
762 int rtw_parse_wpa_ie(u8 *wpa_ie, int wpa_ie_len, int *group_cipher,
763 int *pairwise_cipher, int *is_8021x);
764 int rtw_parse_wpa2_ie(u8 *wpa_ie, int wpa_ie_len, int *group_cipher,
765 int *pairwise_cipher, int *is_8021x);
766
767 int rtw_get_sec_ie(u8 *in_ie, uint in_len, u8 *rsn_ie, u16 *rsn_len,
768 u8 *wpa_ie, u16 *wpa_len);
769
770 u8 rtw_is_wps_ie(u8 *ie_ptr, uint *wps_ielen);
771 u8 *rtw_get_wps_ie(u8 *in_ie, uint in_len, u8 *wps_ie, uint *wps_ielen);
772 u8 *rtw_get_wps_attr(u8 *wps_ie, uint wps_ielen, u16 target_attr_id,
773 u8 *buf_attr, u32 *len_attr);
774 u8 *rtw_get_wps_attr_content(u8 *wps_ie, uint wps_ielen, u16 target_attr_id,
775 u8 *buf_content, uint *len_content);
776
777 uint rtw_get_rateset_len(u8 *rateset);
778
779 struct registry_priv;
780 int rtw_generate_ie(struct registry_priv *pregistrypriv);
781
782
783 int rtw_get_bit_value_from_ieee_value(u8 val);
784
785 uint rtw_is_cckrates_included(u8 *rate);
786
787 uint rtw_is_cckratesonly_included(u8 *rate);
788
789 int rtw_check_network_type(unsigned char *rate, int ratelen, int channel);
790
791 void rtw_get_bcn_info(struct wlan_network *pnetwork);
792
793 void rtw_macaddr_cfg(u8 *mac_addr);
794
795 u16 rtw_mcs_rate(u8 rf_type, u8 bw_40MHz, u8 short_GI_20, u8 short_GI_40,
796 unsigned char *MCS_rate);
797
798 #endif /* IEEE80211_H */
799