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 * You should have received a copy of the GNU General Public License along with
15 * this program; if not, write to the Free Software Foundation, Inc.,
16 * 51 Franklin Street, Fifth Floor, Boston, MA 02110, USA
17 *
18 *
19 ******************************************************************************/
20 #ifndef __IEEE80211_H
21 #define __IEEE80211_H
22
23 #include <osdep_service.h>
24 #include <drv_types.h>
25 #include "wifi.h"
26 #include <linux/wireless.h>
27
28 #define MGMT_QUEUE_NUM 5
29
30 #define ETH_ALEN 6
31 #define ETH_TYPE_LEN 2
32 #define PAYLOAD_TYPE_LEN 1
33
34 #ifdef CONFIG_88EU_AP_MODE
35
36 #define RTL_IOCTL_HOSTAPD (SIOCIWFIRSTPRIV + 28)
37
38 /* RTL871X_IOCTL_HOSTAPD ioctl() cmd: */
39 enum {
40 RTL871X_HOSTAPD_FLUSH = 1,
41 RTL871X_HOSTAPD_ADD_STA = 2,
42 RTL871X_HOSTAPD_REMOVE_STA = 3,
43 RTL871X_HOSTAPD_GET_INFO_STA = 4,
44 /* REMOVED: PRISM2_HOSTAPD_RESET_TXEXC_STA = 5, */
45 RTL871X_HOSTAPD_GET_WPAIE_STA = 5,
46 RTL871X_SET_ENCRYPTION = 6,
47 RTL871X_GET_ENCRYPTION = 7,
48 RTL871X_HOSTAPD_SET_FLAGS_STA = 8,
49 RTL871X_HOSTAPD_GET_RID = 9,
50 RTL871X_HOSTAPD_SET_RID = 10,
51 RTL871X_HOSTAPD_SET_ASSOC_AP_ADDR = 11,
52 RTL871X_HOSTAPD_SET_GENERIC_ELEMENT = 12,
53 RTL871X_HOSTAPD_MLME = 13,
54 RTL871X_HOSTAPD_SCAN_REQ = 14,
55 RTL871X_HOSTAPD_STA_CLEAR_STATS = 15,
56 RTL871X_HOSTAPD_SET_BEACON = 16,
57 RTL871X_HOSTAPD_SET_WPS_BEACON = 17,
58 RTL871X_HOSTAPD_SET_WPS_PROBE_RESP = 18,
59 RTL871X_HOSTAPD_SET_WPS_ASSOC_RESP = 19,
60 RTL871X_HOSTAPD_SET_HIDDEN_SSID = 20,
61 RTL871X_HOSTAPD_SET_MACADDR_ACL = 21,
62 RTL871X_HOSTAPD_ACL_ADD_STA = 22,
63 RTL871X_HOSTAPD_ACL_REMOVE_STA = 23,
64 };
65
66 /* STA flags */
67 #define WLAN_STA_AUTH BIT(0)
68 #define WLAN_STA_ASSOC BIT(1)
69 #define WLAN_STA_PS BIT(2)
70 #define WLAN_STA_TIM BIT(3)
71 #define WLAN_STA_PERM BIT(4)
72 #define WLAN_STA_AUTHORIZED BIT(5)
73 #define WLAN_STA_PENDING_POLL BIT(6) /* pending activity poll not ACKed */
74 #define WLAN_STA_SHORT_PREAMBLE BIT(7)
75 #define WLAN_STA_PREAUTH BIT(8)
76 #define WLAN_STA_WME BIT(9)
77 #define WLAN_STA_MFP BIT(10)
78 #define WLAN_STA_HT BIT(11)
79 #define WLAN_STA_WPS BIT(12)
80 #define WLAN_STA_MAYBE_WPS BIT(13)
81 #define WLAN_STA_NONERP BIT(31)
82
83 #endif
84
85 #define IEEE_CMD_SET_WPA_PARAM 1
86 #define IEEE_CMD_SET_WPA_IE 2
87 #define IEEE_CMD_SET_ENCRYPTION 3
88 #define IEEE_CMD_MLME 4
89
90 #define IEEE_PARAM_WPA_ENABLED 1
91 #define IEEE_PARAM_TKIP_COUNTERMEASURES 2
92 #define IEEE_PARAM_DROP_UNENCRYPTED 3
93 #define IEEE_PARAM_PRIVACY_INVOKED 4
94 #define IEEE_PARAM_AUTH_ALGS 5
95 #define IEEE_PARAM_IEEE_802_1X 6
96 #define IEEE_PARAM_WPAX_SELECT 7
97
98 #define AUTH_ALG_OPEN_SYSTEM 0x1
99 #define AUTH_ALG_SHARED_KEY 0x2
100 #define AUTH_ALG_LEAP 0x00000004
101
102 #define IEEE_MLME_STA_DEAUTH 1
103 #define IEEE_MLME_STA_DISASSOC 2
104
105 #define IEEE_CRYPT_ERR_UNKNOWN_ALG 2
106 #define IEEE_CRYPT_ERR_UNKNOWN_ADDR 3
107 #define IEEE_CRYPT_ERR_CRYPT_INIT_FAILED 4
108 #define IEEE_CRYPT_ERR_KEY_SET_FAILED 5
109 #define IEEE_CRYPT_ERR_TX_KEY_SET_FAILED 6
110 #define IEEE_CRYPT_ERR_CARD_CONF_FAILED 7
111
112
113 #define IEEE_CRYPT_ALG_NAME_LEN 16
114
115 #define WPA_CIPHER_NONE BIT(0)
116 #define WPA_CIPHER_WEP40 BIT(1)
117 #define WPA_CIPHER_WEP104 BIT(2)
118 #define WPA_CIPHER_TKIP BIT(3)
119 #define WPA_CIPHER_CCMP BIT(4)
120
121
122
123 #define WPA_SELECTOR_LEN 4
124 extern u8 RTW_WPA_OUI_TYPE[];
125 extern u8 WPA_AUTH_KEY_MGMT_NONE[];
126 extern u8 WPA_AUTH_KEY_MGMT_UNSPEC_802_1X[];
127 extern u8 WPA_AUTH_KEY_MGMT_PSK_OVER_802_1X[];
128 extern u8 WPA_CIPHER_SUITE_NONE[];
129 extern u8 WPA_CIPHER_SUITE_WEP40[];
130 extern u8 WPA_CIPHER_SUITE_TKIP[];
131 extern u8 WPA_CIPHER_SUITE_WRAP[];
132 extern u8 WPA_CIPHER_SUITE_CCMP[];
133 extern u8 WPA_CIPHER_SUITE_WEP104[];
134
135
136 #define RSN_HEADER_LEN 4
137 #define RSN_SELECTOR_LEN 4
138
139 extern u16 RSN_VERSION_BSD;
140 extern u8 RSN_AUTH_KEY_MGMT_UNSPEC_802_1X[];
141 extern u8 RSN_AUTH_KEY_MGMT_PSK_OVER_802_1X[];
142 extern u8 RSN_CIPHER_SUITE_NONE[];
143 extern u8 RSN_CIPHER_SUITE_WEP40[];
144 extern u8 RSN_CIPHER_SUITE_TKIP[];
145 extern u8 RSN_CIPHER_SUITE_WRAP[];
146 extern u8 RSN_CIPHER_SUITE_CCMP[];
147 extern u8 RSN_CIPHER_SUITE_WEP104[];
148
149 enum ratr_table_mode {
150 RATR_INX_WIRELESS_NGB = 0, /* BGN 40 Mhz 2SS 1SS */
151 RATR_INX_WIRELESS_NG = 1, /* GN or N */
152 RATR_INX_WIRELESS_NB = 2, /* BGN 20 Mhz 2SS 1SS or BN */
153 RATR_INX_WIRELESS_N = 3,
154 RATR_INX_WIRELESS_GB = 4,
155 RATR_INX_WIRELESS_G = 5,
156 RATR_INX_WIRELESS_B = 6,
157 RATR_INX_WIRELESS_MC = 7,
158 RATR_INX_WIRELESS_AC_N = 8,
159 };
160
161 enum NETWORK_TYPE {
162 WIRELESS_INVALID = 0,
163 /* Sub-Element */
164 WIRELESS_11B = BIT(0), /* tx:cck only, rx:cck only, hw: cck */
165 WIRELESS_11G = BIT(1), /* tx:ofdm only, rx:ofdm & cck, hw:cck & ofdm*/
166 WIRELESS_11A = BIT(2), /* tx:ofdm only, rx: ofdm only, hw:ofdm only */
167 WIRELESS_11_24N = BIT(3), /* tx:MCS only, rx:MCS & cck, hw:MCS & cck */
168 WIRELESS_11_5N = BIT(4), /* tx:MCS only, rx:MCS & ofdm, hw:ofdm only */
169 WIRELESS_AC = BIT(6),
170
171 /* Combination */
172 /* tx: cck & ofdm, rx: cck & ofdm & MCS, hw: cck & ofdm */
173 WIRELESS_11BG = (WIRELESS_11B | WIRELESS_11G),
174 /* tx: ofdm & MCS, rx: ofdm & cck & MCS, hw: cck & ofdm */
175 WIRELESS_11G_24N = (WIRELESS_11G | WIRELESS_11_24N),
176 /* tx: ofdm & MCS, rx: ofdm & MCS, hw: ofdm only */
177 WIRELESS_11A_5N = (WIRELESS_11A | WIRELESS_11_5N),
178 /* tx: ofdm & cck & MCS, rx: ofdm & cck & MCS, hw: ofdm & cck */
179 WIRELESS_11BG_24N = (WIRELESS_11B | WIRELESS_11G | WIRELESS_11_24N),
180 /* tx: ofdm & MCS, rx: ofdm & MCS, hw: ofdm only */
181 WIRELESS_11AGN = (WIRELESS_11A | WIRELESS_11G | WIRELESS_11_24N |
182 WIRELESS_11_5N),
183 WIRELESS_11ABGN = (WIRELESS_11A | WIRELESS_11B | WIRELESS_11G |
184 WIRELESS_11_24N | WIRELESS_11_5N),
185 };
186
187 #define SUPPORTED_24G_NETTYPE_MSK \
188 (WIRELESS_11B | WIRELESS_11G | WIRELESS_11_24N)
189 #define SUPPORTED_5G_NETTYPE_MSK \
190 (WIRELESS_11A | WIRELESS_11_5N)
191
192 #define IsSupported24G(NetType) \
193 ((NetType) & SUPPORTED_24G_NETTYPE_MSK ? true : false)
194 #define IsSupported5G(NetType) \
195 ((NetType) & SUPPORTED_5G_NETTYPE_MSK ? true : false)
196
197 #define IsEnableHWCCK(NetType) \
198 IsSupported24G(NetType)
199 #define IsEnableHWOFDM(NetType) \
200 ((NetType) & (WIRELESS_11G | WIRELESS_11_24N | \
201 SUPPORTED_5G_NETTYPE_MSK) ? true : false)
202
203 #define IsSupportedRxCCK(NetType) IsEnableHWCCK(NetType)
204 #define IsSupportedRxOFDM(NetType) IsEnableHWOFDM(NetType)
205 #define IsSupportedRxMCS(NetType) IsEnableHWOFDM(NetType)
206
207 #define IsSupportedTxCCK(NetType) \
208 ((NetType) & (WIRELESS_11B) ? true : false)
209 #define IsSupportedTxOFDM(NetType) \
210 ((NetType) & (WIRELESS_11G|WIRELESS_11A) ? true : false)
211 #define IsSupportedTxMCS(NetType) \
212 ((NetType) & (WIRELESS_11_24N|WIRELESS_11_5N) ? true : false)
213
214
215 struct ieee_param {
216 u32 cmd;
217 u8 sta_addr[ETH_ALEN];
218 union {
219 struct {
220 u8 name;
221 u32 value;
222 } wpa_param;
223 struct {
224 u32 len;
225 u8 reserved[32];
226 u8 data[0];
227 } wpa_ie;
228 struct {
229 int command;
230 int reason_code;
231 } mlme;
232 struct {
233 u8 alg[IEEE_CRYPT_ALG_NAME_LEN];
234 u8 set_tx;
235 u32 err;
236 u8 idx;
237 u8 seq[8]; /* sequence counter (set: RX, get: TX) */
238 u16 key_len;
239 u8 key[0];
240 } crypt;
241 #ifdef CONFIG_88EU_AP_MODE
242 struct {
243 u16 aid;
244 u16 capability;
245 int flags;
246 u8 tx_supp_rates[16];
247 struct rtw_ieee80211_ht_cap ht_cap;
248 } add_sta;
249 struct {
250 u8 reserved[2];/* for set max_num_sta */
251 u8 buf[0];
252 } bcn_ie;
253 #endif
254
255 } u;
256 };
257
258 #ifdef CONFIG_88EU_AP_MODE
259 struct ieee_param_ex {
260 u32 cmd;
261 u8 sta_addr[ETH_ALEN];
262 u8 data[0];
263 };
264
265 struct sta_data {
266 u16 aid;
267 u16 capability;
268 int flags;
269 u32 sta_set;
270 u8 tx_supp_rates[16];
271 u32 tx_supp_rates_len;
272 struct rtw_ieee80211_ht_cap ht_cap;
273 u64 rx_pkts;
274 u64 rx_bytes;
275 u64 rx_drops;
276 u64 tx_pkts;
277 u64 tx_bytes;
278 u64 tx_drops;
279 };
280 #endif
281
282 #define IEEE80211_DATA_LEN 2304
283 /* Maximum size for the MA-UNITDATA primitive, 802.11 standard section
284 6.2.1.1.2.
285
286 The figure in section 7.1.2 suggests a body size of up to 2312
287 bytes is allowed, which is a bit confusing, I suspect this
288 represents the 2304 bytes of real data, plus a possible 8 bytes of
289 WEP IV and ICV. (this interpretation suggested by Ramiro Barreiro) */
290
291
292 #define IEEE80211_HLEN 30
293 #define IEEE80211_FRAME_LEN (IEEE80211_DATA_LEN + IEEE80211_HLEN)
294
295
296 /* this is stolen from ipw2200 driver */
297 #define IEEE_IBSS_MAC_HASH_SIZE 31
298
299 struct ieee_ibss_seq {
300 u8 mac[ETH_ALEN];
301 u16 seq_num;
302 u16 frag_num;
303 unsigned long packet_time;
304 struct list_head list;
305 };
306
307 struct rtw_ieee80211_hdr {
308 __le16 frame_ctl;
309 __le16 duration_id;
310 u8 addr1[ETH_ALEN];
311 u8 addr2[ETH_ALEN];
312 u8 addr3[ETH_ALEN];
313 u16 seq_ctl;
314 u8 addr4[ETH_ALEN];
315 } __packed;
316
317 struct rtw_ieee80211_hdr_3addr {
318 __le16 frame_ctl;
319 __le16 duration_id;
320 u8 addr1[ETH_ALEN];
321 u8 addr2[ETH_ALEN];
322 u8 addr3[ETH_ALEN];
323 u16 seq_ctl;
324 } __packed;
325
326 struct rtw_ieee80211_hdr_qos {
327 __le16 frame_ctl;
328 __le16 duration_id;
329 u8 addr1[ETH_ALEN];
330 u8 addr2[ETH_ALEN];
331 u8 addr3[ETH_ALEN];
332 u16 seq_ctl;
333 u8 addr4[ETH_ALEN];
334 u16 qc;
335 } __packed;
336
337 struct rtw_ieee80211_hdr_3addr_qos {
338 __le16 frame_ctl;
339 __le16 duration_id;
340 u8 addr1[ETH_ALEN];
341 u8 addr2[ETH_ALEN];
342 u8 addr3[ETH_ALEN];
343 u16 seq_ctl;
344 u16 qc;
345 } __packed;
346
347 struct eapol {
348 u8 snap[6];
349 u16 ethertype;
350 u8 version;
351 u8 type;
352 u16 length;
353 } __packed;
354
355 enum eap_type {
356 EAP_PACKET = 0,
357 EAPOL_START,
358 EAPOL_LOGOFF,
359 EAPOL_KEY,
360 EAPOL_ENCAP_ASF_ALERT
361 };
362
363 #define IEEE80211_3ADDR_LEN 24
364 #define IEEE80211_4ADDR_LEN 30
365 #define IEEE80211_FCS_LEN 4
366
367 #define MIN_FRAG_THRESHOLD 256U
368 #define MAX_FRAG_THRESHOLD 2346U
369
370 /* Frame control field constants */
371 #define RTW_IEEE80211_FCTL_VERS 0x0003
372 #define RTW_IEEE80211_FCTL_FTYPE 0x000c
373 #define RTW_IEEE80211_FCTL_STYPE 0x00f0
374 #define RTW_IEEE80211_FCTL_TODS 0x0100
375 #define RTW_IEEE80211_FCTL_FROMDS 0x0200
376 #define RTW_IEEE80211_FCTL_MOREFRAGS 0x0400
377 #define RTW_IEEE80211_FCTL_RETRY 0x0800
378 #define RTW_IEEE80211_FCTL_PM 0x1000
379 #define RTW_IEEE80211_FCTL_MOREDATA 0x2000
380 #define RTW_IEEE80211_FCTL_PROTECTED 0x4000
381 #define RTW_IEEE80211_FCTL_ORDER 0x8000
382 #define RTW_IEEE80211_FCTL_CTL_EXT 0x0f00
383
384 #define RTW_IEEE80211_FTYPE_MGMT 0x0000
385 #define RTW_IEEE80211_FTYPE_CTL 0x0004
386 #define RTW_IEEE80211_FTYPE_DATA 0x0008
387 #define RTW_IEEE80211_FTYPE_EXT 0x000c
388
389 /* management */
390 #define RTW_IEEE80211_STYPE_ASSOC_REQ 0x0000
391 #define RTW_IEEE80211_STYPE_ASSOC_RESP 0x0010
392 #define RTW_IEEE80211_STYPE_REASSOC_REQ 0x0020
393 #define RTW_IEEE80211_STYPE_REASSOC_RESP 0x0030
394 #define RTW_IEEE80211_STYPE_PROBE_REQ 0x0040
395 #define RTW_IEEE80211_STYPE_PROBE_RESP 0x0050
396 #define RTW_IEEE80211_STYPE_BEACON 0x0080
397 #define RTW_IEEE80211_STYPE_ATIM 0x0090
398 #define RTW_IEEE80211_STYPE_DISASSOC 0x00A0
399 #define RTW_IEEE80211_STYPE_AUTH 0x00B0
400 #define RTW_IEEE80211_STYPE_DEAUTH 0x00C0
401 #define RTW_IEEE80211_STYPE_ACTION 0x00D0
402
403 /* control */
404 #define RTW_IEEE80211_STYPE_CTL_EXT 0x0060
405 #define RTW_IEEE80211_STYPE_BACK_REQ 0x0080
406 #define RTW_IEEE80211_STYPE_BACK 0x0090
407 #define RTW_IEEE80211_STYPE_PSPOLL 0x00A0
408 #define RTW_IEEE80211_STYPE_RTS 0x00B0
409 #define RTW_IEEE80211_STYPE_CTS 0x00C0
410 #define RTW_IEEE80211_STYPE_ACK 0x00D0
411 #define RTW_IEEE80211_STYPE_CFEND 0x00E0
412 #define RTW_IEEE80211_STYPE_CFENDACK 0x00F0
413
414 /* data */
415 #define RTW_IEEE80211_STYPE_DATA 0x0000
416 #define RTW_IEEE80211_STYPE_DATA_CFACK 0x0010
417 #define RTW_IEEE80211_STYPE_DATA_CFPOLL 0x0020
418 #define RTW_IEEE80211_STYPE_DATA_CFACKPOLL 0x0030
419 #define RTW_IEEE80211_STYPE_NULLFUNC 0x0040
420 #define RTW_IEEE80211_STYPE_CFACK 0x0050
421 #define RTW_IEEE80211_STYPE_CFPOLL 0x0060
422 #define RTW_IEEE80211_STYPE_CFACKPOLL 0x0070
423 #define RTW_IEEE80211_STYPE_QOS_DATA 0x0080
424 #define RTW_IEEE80211_STYPE_QOS_DATA_CFACK 0x0090
425 #define RTW_IEEE80211_STYPE_QOS_DATA_CFPOLL 0x00A0
426 #define RTW_IEEE80211_STYPE_QOS_DATA_CFACKPOLL 0x00B0
427 #define RTW_IEEE80211_STYPE_QOS_NULLFUNC 0x00C0
428 #define RTW_IEEE80211_STYPE_QOS_CFACK 0x00D0
429 #define RTW_IEEE80211_STYPE_QOS_CFPOLL 0x00E0
430 #define RTW_IEEE80211_STYPE_QOS_CFACKPOLL 0x00F0
431
432 /* sequence control field */
433 #define RTW_IEEE80211_SCTL_FRAG 0x000F
434 #define RTW_IEEE80211_SCTL_SEQ 0xFFF0
435
436
437 #define RTW_ERP_INFO_NON_ERP_PRESENT BIT(0)
438 #define RTW_ERP_INFO_USE_PROTECTION BIT(1)
439 #define RTW_ERP_INFO_BARKER_PREAMBLE_MODE BIT(2)
440
441 /* QoS, QOS */
442 #define NORMAL_ACK 0
443 #define NO_ACK 1
444 #define NON_EXPLICIT_ACK 2
445 #define BLOCK_ACK 3
446
447 #ifndef ETH_P_PAE
448 #define ETH_P_PAE 0x888E /* Port Access Entity (IEEE 802.1X) */
449 #endif /* ETH_P_PAE */
450
451 #define ETH_P_PREAUTH 0x88C7 /* IEEE 802.11i pre-authentication */
452
453 #define ETH_P_ECONET 0x0018
454
455 #ifndef ETH_P_80211_RAW
456 #define ETH_P_80211_RAW (ETH_P_ECONET + 1)
457 #endif
458
459 /* IEEE 802.11 defines */
460
461 #define P80211_OUI_LEN 3
462
463 struct ieee80211_snap_hdr {
464 u8 dsap; /* always 0xAA */
465 u8 ssap; /* always 0xAA */
466 u8 ctrl; /* always 0x03 */
467 u8 oui[P80211_OUI_LEN]; /* organizational universal id */
468 } __packed;
469
470 #define SNAP_SIZE sizeof(struct ieee80211_snap_hdr)
471
472 #define WLAN_FC_GET_TYPE(fc) ((fc) & RTW_IEEE80211_FCTL_FTYPE)
473 #define WLAN_FC_GET_STYPE(fc) ((fc) & RTW_IEEE80211_FCTL_STYPE)
474
475 #define WLAN_QC_GET_TID(qc) ((qc) & 0x0f)
476
477 #define WLAN_GET_SEQ_FRAG(seq) ((seq) & RTW_IEEE80211_SCTL_FRAG)
478 #define WLAN_GET_SEQ_SEQ(seq) ((seq) & RTW_IEEE80211_SCTL_SEQ)
479
480 /* Authentication algorithms */
481 #define WLAN_AUTH_OPEN 0
482 #define WLAN_AUTH_SHARED_KEY 1
483
484 #define WLAN_AUTH_CHALLENGE_LEN 128
485
486 #define WLAN_CAPABILITY_BSS (1<<0)
487 #define WLAN_CAPABILITY_IBSS (1<<1)
488 #define WLAN_CAPABILITY_CF_POLLABLE (1<<2)
489 #define WLAN_CAPABILITY_CF_POLL_REQUEST (1<<3)
490 #define WLAN_CAPABILITY_PRIVACY (1<<4)
491 #define WLAN_CAPABILITY_SHORT_PREAMBLE (1<<5)
492 #define WLAN_CAPABILITY_PBCC (1<<6)
493 #define WLAN_CAPABILITY_CHANNEL_AGILITY (1<<7)
494 #define WLAN_CAPABILITY_SHORT_SLOT (1<<10)
495
496 /* Status codes */
497 #define WLAN_STATUS_SUCCESS 0
498 #define WLAN_STATUS_UNSPECIFIED_FAILURE 1
499 #define WLAN_STATUS_CAPS_UNSUPPORTED 10
500 #define WLAN_STATUS_REASSOC_NO_ASSOC 11
501 #define WLAN_STATUS_ASSOC_DENIED_UNSPEC 12
502 #define WLAN_STATUS_NOT_SUPPORTED_AUTH_ALG 13
503 #define WLAN_STATUS_UNKNOWN_AUTH_TRANSACTION 14
504 #define WLAN_STATUS_CHALLENGE_FAIL 15
505 #define WLAN_STATUS_AUTH_TIMEOUT 16
506 #define WLAN_STATUS_AP_UNABLE_TO_HANDLE_NEW_STA 17
507 #define WLAN_STATUS_ASSOC_DENIED_RATES 18
508 /* 802.11b */
509 #define WLAN_STATUS_ASSOC_DENIED_NOSHORT 19
510 #define WLAN_STATUS_ASSOC_DENIED_NOPBCC 20
511 #define WLAN_STATUS_ASSOC_DENIED_NOAGILITY 21
512
513 /* Reason codes */
514 #define WLAN_REASON_UNSPECIFIED 1
515 #define WLAN_REASON_PREV_AUTH_NOT_VALID 2
516 #define WLAN_REASON_DEAUTH_LEAVING 3
517 #define WLAN_REASON_DISASSOC_DUE_TO_INACTIVITY 4
518 #define WLAN_REASON_DISASSOC_AP_BUSY 5
519 #define WLAN_REASON_CLASS2_FRAME_FROM_NONAUTH_STA 6
520 #define WLAN_REASON_CLASS3_FRAME_FROM_NONASSOC_STA 7
521 #define WLAN_REASON_DISASSOC_STA_HAS_LEFT 8
522 #define WLAN_REASON_STA_REQ_ASSOC_WITHOUT_AUTH 9
523 #define WLAN_REASON_JOIN_WRONG_CHANNEL 65534
524 #define WLAN_REASON_EXPIRATION_CHK 65535
525
526 /* Information Element IDs */
527 #define WLAN_EID_SSID 0
528 #define WLAN_EID_SUPP_RATES 1
529 #define WLAN_EID_FH_PARAMS 2
530 #define WLAN_EID_DS_PARAMS 3
531 #define WLAN_EID_CF_PARAMS 4
532 #define WLAN_EID_TIM 5
533 #define WLAN_EID_IBSS_PARAMS 6
534 #define WLAN_EID_CHALLENGE 16
535 /* EIDs defined by IEEE 802.11h - START */
536 #define WLAN_EID_PWR_CONSTRAINT 32
537 #define WLAN_EID_PWR_CAPABILITY 33
538 #define WLAN_EID_TPC_REQUEST 34
539 #define WLAN_EID_TPC_REPORT 35
540 #define WLAN_EID_SUPPORTED_CHANNELS 36
541 #define WLAN_EID_CHANNEL_SWITCH 37
542 #define WLAN_EID_MEASURE_REQUEST 38
543 #define WLAN_EID_MEASURE_REPORT 39
544 #define WLAN_EID_QUITE 40
545 #define WLAN_EID_IBSS_DFS 41
546 /* EIDs defined by IEEE 802.11h - END */
547 #define WLAN_EID_ERP_INFO 42
548 #define WLAN_EID_HT_CAP 45
549 #define WLAN_EID_RSN 48
550 #define WLAN_EID_EXT_SUPP_RATES 50
551 #define WLAN_EID_MOBILITY_DOMAIN 54
552 #define WLAN_EID_FAST_BSS_TRANSITION 55
553 #define WLAN_EID_TIMEOUT_INTERVAL 56
554 #define WLAN_EID_RIC_DATA 57
555 #define WLAN_EID_HT_OPERATION 61
556 #define WLAN_EID_SECONDARY_CHANNEL_OFFSET 62
557 #define WLAN_EID_20_40_BSS_COEXISTENCE 72
558 #define WLAN_EID_20_40_BSS_INTOLERANT 73
559 #define WLAN_EID_OVERLAPPING_BSS_SCAN_PARAMS 74
560 #define WLAN_EID_MMIE 76
561 #define WLAN_EID_VENDOR_SPECIFIC 221
562 #define WLAN_EID_GENERIC (WLAN_EID_VENDOR_SPECIFIC)
563
564 #define IEEE80211_MGMT_HDR_LEN 24
565 #define IEEE80211_DATA_HDR3_LEN 24
566 #define IEEE80211_DATA_HDR4_LEN 30
567
568
569 #define IEEE80211_STATMASK_SIGNAL (1<<0)
570 #define IEEE80211_STATMASK_RSSI (1<<1)
571 #define IEEE80211_STATMASK_NOISE (1<<2)
572 #define IEEE80211_STATMASK_RATE (1<<3)
573 #define IEEE80211_STATMASK_WEMASK 0x7
574
575
576 #define IEEE80211_CCK_MODULATION (1<<0)
577 #define IEEE80211_OFDM_MODULATION (1<<1)
578
579 #define IEEE80211_24GHZ_BAND (1<<0)
580 #define IEEE80211_52GHZ_BAND (1<<1)
581
582 #define IEEE80211_CCK_RATE_LEN 4
583 #define IEEE80211_NUM_OFDM_RATESLEN 8
584
585
586 #define IEEE80211_CCK_RATE_1MB 0x02
587 #define IEEE80211_CCK_RATE_2MB 0x04
588 #define IEEE80211_CCK_RATE_5MB 0x0B
589 #define IEEE80211_CCK_RATE_11MB 0x16
590 #define IEEE80211_OFDM_RATE_LEN 8
591 #define IEEE80211_OFDM_RATE_6MB 0x0C
592 #define IEEE80211_OFDM_RATE_9MB 0x12
593 #define IEEE80211_OFDM_RATE_12MB 0x18
594 #define IEEE80211_OFDM_RATE_18MB 0x24
595 #define IEEE80211_OFDM_RATE_24MB 0x30
596 #define IEEE80211_OFDM_RATE_36MB 0x48
597 #define IEEE80211_OFDM_RATE_48MB 0x60
598 #define IEEE80211_OFDM_RATE_54MB 0x6C
599 #define IEEE80211_BASIC_RATE_MASK 0x80
600
601 #define IEEE80211_CCK_RATE_1MB_MASK (1<<0)
602 #define IEEE80211_CCK_RATE_2MB_MASK (1<<1)
603 #define IEEE80211_CCK_RATE_5MB_MASK (1<<2)
604 #define IEEE80211_CCK_RATE_11MB_MASK (1<<3)
605 #define IEEE80211_OFDM_RATE_6MB_MASK (1<<4)
606 #define IEEE80211_OFDM_RATE_9MB_MASK (1<<5)
607 #define IEEE80211_OFDM_RATE_12MB_MASK (1<<6)
608 #define IEEE80211_OFDM_RATE_18MB_MASK (1<<7)
609 #define IEEE80211_OFDM_RATE_24MB_MASK (1<<8)
610 #define IEEE80211_OFDM_RATE_36MB_MASK (1<<9)
611 #define IEEE80211_OFDM_RATE_48MB_MASK (1<<10)
612 #define IEEE80211_OFDM_RATE_54MB_MASK (1<<11)
613
614 #define IEEE80211_CCK_RATES_MASK 0x0000000F
615 #define IEEE80211_CCK_BASIC_RATES_MASK (IEEE80211_CCK_RATE_1MB_MASK | \
616 IEEE80211_CCK_RATE_2MB_MASK)
617 #define IEEE80211_CCK_DEFAULT_RATES_MASK \
618 (IEEE80211_CCK_BASIC_RATES_MASK | \
619 IEEE80211_CCK_RATE_5MB_MASK | \
620 IEEE80211_CCK_RATE_11MB_MASK)
621
622 #define IEEE80211_OFDM_RATES_MASK 0x00000FF0
623 #define IEEE80211_OFDM_BASIC_RATES_MASK (IEEE80211_OFDM_RATE_6MB_MASK | \
624 IEEE80211_OFDM_RATE_12MB_MASK | \
625 IEEE80211_OFDM_RATE_24MB_MASK)
626 #define IEEE80211_OFDM_DEFAULT_RATES_MASK \
627 (IEEE80211_OFDM_BASIC_RATES_MASK | \
628 IEEE80211_OFDM_RATE_9MB_MASK | \
629 IEEE80211_OFDM_RATE_18MB_MASK | \
630 IEEE80211_OFDM_RATE_36MB_MASK | \
631 IEEE80211_OFDM_RATE_48MB_MASK | \
632 IEEE80211_OFDM_RATE_54MB_MASK)
633 #define IEEE80211_DEFAULT_RATES_MASK \
634 (IEEE80211_OFDM_DEFAULT_RATES_MASK | \
635 IEEE80211_CCK_DEFAULT_RATES_MASK)
636
637 #define IEEE80211_NUM_OFDM_RATES 8
638 #define IEEE80211_NUM_CCK_RATES 4
639 #define IEEE80211_OFDM_SHIFT_MASK_A 4
640
641 /* NOTE: This data is for statistical purposes; not all hardware provides this
642 * information for frames received. Not setting these will not cause
643 * any adverse affects. */
644 struct ieee80211_rx_stats {
645 /* u32 mac_time[2]; */
646 s8 rssi;
647 u8 signal;
648 u8 noise;
649 u8 received_channel;
650 u16 rate; /* in 100 kbps */
651 /* u8 control; */
652 u8 mask;
653 u8 freq;
654 u16 len;
655 };
656
657 /* IEEE 802.11 requires that STA supports concurrent reception of at least
658 * three fragmented frames. This define can be increased to support more
659 * concurrent frames, but it should be noted that each entry can consume about
660 * 2 kB of RAM and increasing cache size will slow down frame reassembly. */
661 #define IEEE80211_FRAG_CACHE_LEN 4
662
663 struct ieee80211_frag_entry {
664 u32 first_frag_time;
665 uint seq;
666 uint last_frag;
667 uint qos; /* jackson */
668 uint tid; /* jackson */
669 struct sk_buff *skb;
670 u8 src_addr[ETH_ALEN];
671 u8 dst_addr[ETH_ALEN];
672 };
673
674 struct ieee80211_stats {
675 uint tx_unicast_frames;
676 uint tx_multicast_frames;
677 uint tx_fragments;
678 uint tx_unicast_octets;
679 uint tx_multicast_octets;
680 uint tx_deferred_transmissions;
681 uint tx_single_retry_frames;
682 uint tx_multiple_retry_frames;
683 uint tx_retry_limit_exceeded;
684 uint tx_discards;
685 uint rx_unicast_frames;
686 uint rx_multicast_frames;
687 uint rx_fragments;
688 uint rx_unicast_octets;
689 uint rx_multicast_octets;
690 uint rx_fcs_errors;
691 uint rx_discards_no_buffer;
692 uint tx_discards_wrong_sa;
693 uint rx_discards_undecryptable;
694 uint rx_message_in_msg_fragments;
695 uint rx_message_in_bad_msg_fragments;
696 };
697
698 struct ieee80211_softmac_stats {
699 uint rx_ass_ok;
700 uint rx_ass_err;
701 uint rx_probe_rq;
702 uint tx_probe_rs;
703 uint tx_beacons;
704 uint rx_auth_rq;
705 uint rx_auth_rs_ok;
706 uint rx_auth_rs_err;
707 uint tx_auth_rq;
708 uint no_auth_rs;
709 uint no_ass_rs;
710 uint tx_ass_rq;
711 uint rx_ass_rq;
712 uint tx_probe_rq;
713 uint reassoc;
714 uint swtxstop;
715 uint swtxawake;
716 };
717
718 #define SEC_KEY_1 (1<<0)
719 #define SEC_KEY_2 (1<<1)
720 #define SEC_KEY_3 (1<<2)
721 #define SEC_KEY_4 (1<<3)
722 #define SEC_ACTIVE_KEY (1<<4)
723 #define SEC_AUTH_MODE (1<<5)
724 #define SEC_UNICAST_GROUP (1<<6)
725 #define SEC_LEVEL (1<<7)
726 #define SEC_ENABLED (1<<8)
727
728 #define SEC_LEVEL_0 0 /* None */
729 #define SEC_LEVEL_1 1 /* WEP 40 and 104 bit */
730 #define SEC_LEVEL_2 2 /* Level 1 + TKIP */
731 #define SEC_LEVEL_2_CKIP 3 /* Level 1 + CKIP */
732 #define SEC_LEVEL_3 4 /* Level 2 + CCMP */
733
734 #define WEP_KEYS 4
735 #define WEP_KEY_LEN 13
736
737 struct ieee80211_security {
738 u16 active_key:2,
739 enabled:1,
740 auth_mode:2,
741 auth_algo:4,
742 unicast_uses_group:1;
743 u8 key_sizes[WEP_KEYS];
744 u8 keys[WEP_KEYS][WEP_KEY_LEN];
745 u8 level;
746 u16 flags;
747 } __packed;
748
749 /*
750
751 802.11 data frame from AP
752
753 ,-------------------------------------------------------------------.
754 Bytes | 2 | 2 | 6 | 6 | 6 | 2 | 0..2312 | 4 |
755 |------|------|---------|---------|---------|------|---------|------|
756 Desc. | ctrl | dura | DA/RA | TA | SA | Sequ | frame | fcs |
757 | | tion | (BSSID) | | | ence | data | |
758 `-------------------------------------------------------------------'
759
760 Total: 28-2340 bytes
761
762 */
763
764 struct ieee80211_header_data {
765 u16 frame_ctl;
766 u16 duration_id;
767 u8 addr1[6];
768 u8 addr2[6];
769 u8 addr3[6];
770 u16 seq_ctrl;
771 };
772
773 #define BEACON_PROBE_SSID_ID_POSITION 12
774
775 /* Management Frame Information Element Types */
776 #define MFIE_TYPE_SSID 0
777 #define MFIE_TYPE_RATES 1
778 #define MFIE_TYPE_FH_SET 2
779 #define MFIE_TYPE_DS_SET 3
780 #define MFIE_TYPE_CF_SET 4
781 #define MFIE_TYPE_TIM 5
782 #define MFIE_TYPE_IBSS_SET 6
783 #define MFIE_TYPE_CHALLENGE 16
784 #define MFIE_TYPE_ERP 42
785 #define MFIE_TYPE_RSN 48
786 #define MFIE_TYPE_RATES_EX 50
787 #define MFIE_TYPE_GENERIC 221
788
789 struct ieee80211_info_element_hdr {
790 u8 id;
791 u8 len;
792 } __packed;
793
794 struct ieee80211_info_element {
795 u8 id;
796 u8 len;
797 u8 data[0];
798 } __packed;
799
800 /*
801 * These are the data types that can make up management packets
802 *
803 u16 auth_algorithm;
804 u16 auth_sequence;
805 u16 beacon_interval;
806 u16 capability;
807 u8 current_ap[ETH_ALEN];
808 u16 listen_interval;
809 struct {
810 u16 association_id:14, reserved:2;
811 } __packed;
812 u32 time_stamp[2];
813 u16 reason;
814 u16 status;
815 */
816
817 #define IEEE80211_DEFAULT_TX_ESSID "Penguin"
818 #define IEEE80211_DEFAULT_BASIC_RATE 10
819
820 struct ieee80211_authentication {
821 struct ieee80211_header_data header;
822 u16 algorithm;
823 u16 transaction;
824 u16 status;
825 /* struct ieee80211_info_element_hdr info_element; */
826 } __packed;
827
828 struct ieee80211_probe_response {
829 struct ieee80211_header_data header;
830 u32 time_stamp[2];
831 u16 beacon_interval;
832 u16 capability;
833 struct ieee80211_info_element info_element;
834 } __packed;
835
836 struct ieee80211_probe_request {
837 struct ieee80211_header_data header;
838 } __packed;
839
840 struct ieee80211_assoc_request_frame {
841 struct rtw_ieee80211_hdr_3addr header;
842 u16 capability;
843 u16 listen_interval;
844 struct ieee80211_info_element_hdr info_element;
845 } __packed;
846
847 struct ieee80211_assoc_response_frame {
848 struct rtw_ieee80211_hdr_3addr header;
849 u16 capability;
850 u16 status;
851 u16 aid;
852 } __packed;
853
854 struct ieee80211_txb {
855 u8 nr_frags;
856 u8 encrypted;
857 u16 reserved;
858 u16 frag_size;
859 u16 payload_size;
860 struct sk_buff *fragments[0];
861 };
862
863
864 /* SWEEP TABLE ENTRIES NUMBER*/
865 #define MAX_SWEEP_TAB_ENTRIES 42
866 #define MAX_SWEEP_TAB_ENTRIES_PER_PACKET 7
867 /* MAX_RATES_LENGTH needs to be 12. The spec says 8, and many APs
868 * only use 8, and then use extended rates for the remaining supported
869 * rates. Other APs, however, stick all of their supported rates on the
870 * main rates information element... */
871 #define MAX_RATES_LENGTH ((u8)12)
872 #define MAX_RATES_EX_LENGTH ((u8)16)
873 #define MAX_NETWORK_COUNT 128
874 #define MAX_CHANNEL_NUMBER 161
875 #define IEEE80211_SOFTMAC_SCAN_TIME 400
876 /* HZ / 2) */
877 #define IEEE80211_SOFTMAC_ASSOC_RETRY_TIME (HZ * 2)
878
879 #define CRC_LENGTH 4U
880
881 #define MAX_WPA_IE_LEN (256)
882 #define MAX_WPS_IE_LEN (512)
883 #define MAX_P2P_IE_LEN (256)
884 #define MAX_WFD_IE_LEN (128)
885
886 #define NETWORK_EMPTY_ESSID (1<<0)
887 #define NETWORK_HAS_OFDM (1<<1)
888 #define NETWORK_HAS_CCK (1<<2)
889
890 #define IEEE80211_DTIM_MBCAST 4
891 #define IEEE80211_DTIM_UCAST 2
892 #define IEEE80211_DTIM_VALID 1
893 #define IEEE80211_DTIM_INVALID 0
894
895 #define IEEE80211_PS_DISABLED 0
896 #define IEEE80211_PS_UNICAST IEEE80211_DTIM_UCAST
897 #define IEEE80211_PS_MBCAST IEEE80211_DTIM_MBCAST
898 #define IW_ESSID_MAX_SIZE 32
899 /*
900 join_res:
901 -1: authentication fail
902 -2: association fail
903 > 0: TID
904 */
905
906 enum ieee80211_state {
907 /* the card is not linked at all */
908 IEEE80211_NOLINK = 0,
909
910 /* IEEE80211_ASSOCIATING* are for BSS client mode
911 * the driver shall not perform RX filtering unless
912 * the state is LINKED.
913 * The driver shall just check for the state LINKED and
914 * defaults to NOLINK for ALL the other states (including
915 * LINKED_SCANNING)
916 */
917
918 /* the association procedure will start (wq scheduling)*/
919 IEEE80211_ASSOCIATING,
920 IEEE80211_ASSOCIATING_RETRY,
921
922 /* the association procedure is sending AUTH request*/
923 IEEE80211_ASSOCIATING_AUTHENTICATING,
924
925 /* the association procedure has successfully authentcated
926 * and is sending association request
927 */
928 IEEE80211_ASSOCIATING_AUTHENTICATED,
929
930 /* the link is ok. the card associated to a BSS or linked
931 * to a ibss cell or acting as an AP and creating the bss
932 */
933 IEEE80211_LINKED,
934
935 /* same as LINKED, but the driver shall apply RX filter
936 * rules as we are in NO_LINK mode. As the card is still
937 * logically linked, but it is doing a syncro site survey
938 * then it will be back to LINKED state.
939 */
940 IEEE80211_LINKED_SCANNING,
941
942 };
943
944 #define DEFAULT_MAX_SCAN_AGE (15 * HZ)
945 #define DEFAULT_FTS 2346
946
is_multicast_mac_addr(const u8 * addr)947 static inline int is_multicast_mac_addr(const u8 *addr)
948 {
949 return ((addr[0] != 0xff) && (0x01 & addr[0]));
950 }
951
is_broadcast_mac_addr(const u8 * addr)952 static inline int is_broadcast_mac_addr(const u8 *addr)
953 {
954 return (addr[0] == 0xff) && (addr[1] == 0xff) && (addr[2] == 0xff) &&
955 (addr[3] == 0xff) && (addr[4] == 0xff) && (addr[5] == 0xff);
956 }
957
958 #define CFG_IEEE80211_RESERVE_FCS (1<<0)
959 #define CFG_IEEE80211_COMPUTE_FCS (1<<1)
960
961 struct tx_pending {
962 int frag;
963 struct ieee80211_txb *txb;
964 };
965
966 #define MAXTID 16
967
968 #define IEEE_A (1<<0)
969 #define IEEE_B (1<<1)
970 #define IEEE_G (1<<2)
971 #define IEEE_MODE_MASK (IEEE_A|IEEE_B|IEEE_G)
972
973 /* Baron move to ieee80211.c */
974 int ieee80211_is_empty_essid(const char *essid, int essid_len);
975 int ieee80211_get_hdrlen(u16 fc);
976
977 /* Action category code */
978 enum rtw_ieee80211_category {
979 RTW_WLAN_CATEGORY_SPECTRUM_MGMT = 0,
980 RTW_WLAN_CATEGORY_QOS = 1,
981 RTW_WLAN_CATEGORY_DLS = 2,
982 RTW_WLAN_CATEGORY_BACK = 3,
983 RTW_WLAN_CATEGORY_PUBLIC = 4, /* IEEE 802.11 public action frames */
984 RTW_WLAN_CATEGORY_RADIO_MEASUREMENT = 5,
985 RTW_WLAN_CATEGORY_FT = 6,
986 RTW_WLAN_CATEGORY_HT = 7,
987 RTW_WLAN_CATEGORY_SA_QUERY = 8,
988 RTW_WLAN_CATEGORY_TDLS = 12,
989 RTW_WLAN_CATEGORY_WMM = 17,
990 RTW_WLAN_CATEGORY_P2P = 0x7f,/* P2P action frames */
991 };
992
993 /* SPECTRUM_MGMT action code */
994 enum rtw_ieee80211_spectrum_mgmt_actioncode {
995 RTW_WLAN_ACTION_SPCT_MSR_REQ = 0,
996 RTW_WLAN_ACTION_SPCT_MSR_RPRT = 1,
997 RTW_WLAN_ACTION_SPCT_TPC_REQ = 2,
998 RTW_WLAN_ACTION_SPCT_TPC_RPRT = 3,
999 RTW_WLAN_ACTION_SPCT_CHL_SWITCH = 4,
1000 RTW_WLAN_ACTION_SPCT_EXT_CHL_SWITCH = 5,
1001 };
1002
1003 enum _PUBLIC_ACTION {
1004 ACT_PUBLIC_BSSCOEXIST = 0, /* 20/40 BSS Coexistence */
1005 ACT_PUBLIC_DSE_ENABLE = 1,
1006 ACT_PUBLIC_DSE_DEENABLE = 2,
1007 ACT_PUBLIC_DSE_REG_LOCATION = 3,
1008 ACT_PUBLIC_EXT_CHL_SWITCH = 4,
1009 ACT_PUBLIC_DSE_MSR_REQ = 5,
1010 ACT_PUBLIC_DSE_MSR_RPRT = 6,
1011 ACT_PUBLIC_MP = 7, /* Measurement Pilot */
1012 ACT_PUBLIC_DSE_PWR_CONSTRAINT = 8,
1013 ACT_PUBLIC_VENDOR = 9, /* for WIFI_DIRECT */
1014 ACT_PUBLIC_GAS_INITIAL_REQ = 10,
1015 ACT_PUBLIC_GAS_INITIAL_RSP = 11,
1016 ACT_PUBLIC_GAS_COMEBACK_REQ = 12,
1017 ACT_PUBLIC_GAS_COMEBACK_RSP = 13,
1018 ACT_PUBLIC_TDLS_DISCOVERY_RSP = 14,
1019 ACT_PUBLIC_LOCATION_TRACK = 15,
1020 ACT_PUBLIC_MAX
1021 };
1022
1023 /* BACK action code */
1024 enum rtw_ieee80211_back_actioncode {
1025 RTW_WLAN_ACTION_ADDBA_REQ = 0,
1026 RTW_WLAN_ACTION_ADDBA_RESP = 1,
1027 RTW_WLAN_ACTION_DELBA = 2,
1028 };
1029
1030 /* HT features action code */
1031 enum rtw_ieee80211_ht_actioncode {
1032 RTW_WLAN_ACTION_NOTIFY_CH_WIDTH = 0,
1033 RTW_WLAN_ACTION_SM_PS = 1,
1034 RTW_WLAN_ACTION_PSPM = 2,
1035 RTW_WLAN_ACTION_PCO_PHASE = 3,
1036 RTW_WLAN_ACTION_MIMO_CSI_MX = 4,
1037 RTW_WLAN_ACTION_MIMO_NONCP_BF = 5,
1038 RTW_WLAN_ACTION_MIMP_CP_BF = 6,
1039 RTW_WLAN_ACTION_ASEL_INDICATES_FB = 7,
1040 RTW_WLAN_ACTION_HI_INFO_EXCHG = 8,
1041 };
1042
1043 /* BACK (block-ack) parties */
1044 enum rtw_ieee80211_back_parties {
1045 RTW_WLAN_BACK_RECIPIENT = 0,
1046 RTW_WLAN_BACK_INITIATOR = 1,
1047 RTW_WLAN_BACK_TIMER = 2,
1048 };
1049
1050 #define OUI_MICROSOFT 0x0050f2 /* Microsoft (also used in Wi-Fi specs)
1051 * 00:50:F2 */
1052 #define WME_OUI_TYPE 2
1053 #define WME_OUI_SUBTYPE_INFORMATION_ELEMENT 0
1054 #define WME_OUI_SUBTYPE_PARAMETER_ELEMENT 1
1055 #define WME_OUI_SUBTYPE_TSPEC_ELEMENT 2
1056 #define WME_VERSION 1
1057
1058 #define WME_ACTION_CODE_SETUP_REQUEST 0
1059 #define WME_ACTION_CODE_SETUP_RESPONSE 1
1060 #define WME_ACTION_CODE_TEARDOWN 2
1061
1062 #define WME_SETUP_RESPONSE_STATUS_ADMISSION_ACCEPTED 0
1063 #define WME_SETUP_RESPONSE_STATUS_INVALID_PARAMETERS 1
1064 #define WME_SETUP_RESPONSE_STATUS_REFUSED 3
1065
1066 #define WME_TSPEC_DIRECTION_UPLINK 0
1067 #define WME_TSPEC_DIRECTION_DOWNLINK 1
1068 #define WME_TSPEC_DIRECTION_BI_DIRECTIONAL 3
1069
1070
1071 #define OUI_BROADCOM 0x00904c /* Broadcom (Epigram) */
1072
1073 #define VENDOR_HT_CAPAB_OUI_TYPE 0x33 /* 00-90-4c:0x33 */
1074
1075 /**
1076 * enum rtw_ieee80211_channel_flags - channel flags
1077 *
1078 * Channel flags set by the regulatory control code.
1079 *
1080 * @RTW_IEEE80211_CHAN_DISABLED: This channel is disabled.
1081 * @RTW_IEEE80211_CHAN_PASSIVE_SCAN: Only passive scanning is permitted
1082 * on this channel.
1083 * @RTW_IEEE80211_CHAN_NO_IBSS: IBSS is not allowed on this channel.
1084 * @RTW_IEEE80211_CHAN_RADAR: Radar detection is required on this channel.
1085 * @RTW_IEEE80211_CHAN_NO_HT40PLUS: extension channel above this channel
1086 * is not permitted.
1087 * @RTW_IEEE80211_CHAN_NO_HT40MINUS: extension channel below this channel
1088 * is not permitted.
1089 */
1090 enum rtw_ieee80211_channel_flags {
1091 RTW_IEEE80211_CHAN_DISABLED = 1<<0,
1092 RTW_IEEE80211_CHAN_PASSIVE_SCAN = 1<<1,
1093 RTW_IEEE80211_CHAN_NO_IBSS = 1<<2,
1094 RTW_IEEE80211_CHAN_RADAR = 1<<3,
1095 RTW_IEEE80211_CHAN_NO_HT40PLUS = 1<<4,
1096 RTW_IEEE80211_CHAN_NO_HT40MINUS = 1<<5,
1097 };
1098
1099 #define RTW_IEEE80211_CHAN_NO_HT40 \
1100 (RTW_IEEE80211_CHAN_NO_HT40PLUS | RTW_IEEE80211_CHAN_NO_HT40MINUS)
1101
1102 /* Represent channel details, subset of ieee80211_channel */
1103 struct rtw_ieee80211_channel {
1104 u16 hw_value;
1105 u32 flags;
1106 };
1107
1108 #define CHAN_FMT \
1109 "hw_value:%u, " \
1110 "flags:0x%08x" \
1111
1112 #define CHAN_ARG(channel) \
1113 (channel)->hw_value \
1114 , (channel)->flags \
1115
1116 /* Parsed Information Elements */
1117 struct rtw_ieee802_11_elems {
1118 u8 *ssid;
1119 u8 ssid_len;
1120 u8 *supp_rates;
1121 u8 supp_rates_len;
1122 u8 *fh_params;
1123 u8 fh_params_len;
1124 u8 *ds_params;
1125 u8 ds_params_len;
1126 u8 *cf_params;
1127 u8 cf_params_len;
1128 u8 *tim;
1129 u8 tim_len;
1130 u8 *ibss_params;
1131 u8 ibss_params_len;
1132 u8 *challenge;
1133 u8 challenge_len;
1134 u8 *erp_info;
1135 u8 erp_info_len;
1136 u8 *ext_supp_rates;
1137 u8 ext_supp_rates_len;
1138 u8 *wpa_ie;
1139 u8 wpa_ie_len;
1140 u8 *rsn_ie;
1141 u8 rsn_ie_len;
1142 u8 *wme;
1143 u8 wme_len;
1144 u8 *wme_tspec;
1145 u8 wme_tspec_len;
1146 u8 *wps_ie;
1147 u8 wps_ie_len;
1148 u8 *power_cap;
1149 u8 power_cap_len;
1150 u8 *supp_channels;
1151 u8 supp_channels_len;
1152 u8 *mdie;
1153 u8 mdie_len;
1154 u8 *ftie;
1155 u8 ftie_len;
1156 u8 *timeout_int;
1157 u8 timeout_int_len;
1158 u8 *ht_capabilities;
1159 u8 ht_capabilities_len;
1160 u8 *ht_operation;
1161 u8 ht_operation_len;
1162 u8 *vendor_ht_cap;
1163 u8 vendor_ht_cap_len;
1164 };
1165
1166 enum parse_res {
1167 ParseOK = 0,
1168 ParseUnknown = 1,
1169 ParseFailed = -1
1170 };
1171
1172 enum parse_res rtw_ieee802_11_parse_elems(u8 *start, uint len,
1173 struct rtw_ieee802_11_elems *elems,
1174 int show_errors);
1175
1176 u8 *rtw_set_fixed_ie(unsigned char *pbuf, unsigned int len,
1177 unsigned char *source, unsigned int *frlen);
1178 u8 *rtw_set_ie(u8 *pbuf, int index, uint len, u8 *source, uint *frlen);
1179
1180 enum secondary_ch_offset {
1181 SCN = 0, /* no secondary channel */
1182 SCA = 1, /* secondary channel above */
1183 SCB = 3, /* secondary channel below */
1184 };
1185 u8 secondary_ch_offset_to_hal_ch_offset(u8 ch_offset);
1186 u8 hal_ch_offset_to_secondary_ch_offset(u8 ch_offset);
1187 u8 *rtw_set_ie_ch_switch(u8 *buf, u32 *buf_len, u8 ch_switch_mode,
1188 u8 new_ch, u8 ch_switch_cnt);
1189 u8 *rtw_set_ie_secondary_ch_offset(u8 *buf, u32 *buf_len,
1190 u8 secondary_ch_offset);
1191 u8 *rtw_set_ie_mesh_ch_switch_parm(u8 *buf, u32 *buf_len, u8 ttl,
1192 u8 flags, u16 reason, u16 precedence);
1193
1194 u8 *rtw_get_ie(u8 *pbuf, int index, int *len, int limit);
1195 u8 *rtw_get_ie_ex(u8 *in_ie, uint in_len, u8 eid, u8 *oui,
1196 u8 oui_len, u8 *ie, uint *ielen);
1197 int rtw_ies_remove_ie(u8 *ies, uint *ies_len, uint offset,
1198 u8 eid, u8 *oui, u8 oui_len);
1199
1200 void rtw_set_supported_rate(u8 *SupportedRates, uint mode);
1201
1202 unsigned char *rtw_get_wpa_ie(unsigned char *pie, int *wpa_ie_len, int limit);
1203 unsigned char *rtw_get_wpa2_ie(unsigned char *pie, int *rsn_ie_len, int limit);
1204 int rtw_get_wpa_cipher_suite(u8 *s);
1205 int rtw_get_wpa2_cipher_suite(u8 *s);
1206 int rtw_get_wapi_ie(u8 *in_ie, uint in_len, u8 *wapi_ie, u16 *wapi_len);
1207 int rtw_parse_wpa_ie(u8 *wpa_ie, int wpa_ie_len, int *group_cipher,
1208 int *pairwise_cipher, int *is_8021x);
1209 int rtw_parse_wpa2_ie(u8 *wpa_ie, int wpa_ie_len, int *group_cipher,
1210 int *pairwise_cipher, int *is_8021x);
1211
1212 int rtw_get_sec_ie(u8 *in_ie, uint in_len, u8 *rsn_ie, u16 *rsn_len,
1213 u8 *wpa_ie, u16 *wpa_len);
1214
1215 u8 rtw_is_wps_ie(u8 *ie_ptr, uint *wps_ielen);
1216 u8 *rtw_get_wps_ie(u8 *in_ie, uint in_len, u8 *wps_ie, uint *wps_ielen);
1217 u8 *rtw_get_wps_attr(u8 *wps_ie, uint wps_ielen, u16 target_attr_id,
1218 u8 *buf_attr, u32 *len_attr);
1219 u8 *rtw_get_wps_attr_content(u8 *wps_ie, uint wps_ielen, u16 target_attr_id,
1220 u8 *buf_content, uint *len_content);
1221
1222 /**
1223 * for_each_ie - iterate over continuous IEs
1224 * @ie:
1225 * @buf:
1226 * @buf_len:
1227 */
1228 #define for_each_ie(ie, buf, buf_len) \
1229 for (ie = (void *)buf; (((u8 *)ie) - ((u8 *)buf) + 1) < buf_len; \
1230 ie = (void *)(((u8 *)ie) + *(((u8 *)ie)+1) + 2))
1231
1232 void dump_ies(u8 *buf, u32 buf_len);
1233 void dump_wps_ie(u8 *ie, u32 ie_len);
1234
1235 uint rtw_get_rateset_len(u8 *rateset);
1236
1237 struct registry_priv;
1238 int rtw_generate_ie(struct registry_priv *pregistrypriv);
1239
1240
1241 int rtw_get_bit_value_from_ieee_value(u8 val);
1242
1243 uint rtw_is_cckrates_included(u8 *rate);
1244
1245 uint rtw_is_cckratesonly_included(u8 *rate);
1246
1247 int rtw_check_network_type(unsigned char *rate, int ratelen, int channel);
1248
1249 void rtw_get_bcn_info(struct wlan_network *pnetwork);
1250
1251 void rtw_macaddr_cfg(u8 *mac_addr);
1252
1253 u16 rtw_mcs_rate(u8 rf_type, u8 bw_40MHz, u8 short_GI_20, u8 short_GI_40,
1254 unsigned char *MCS_rate);
1255
1256 int rtw_action_frame_parse(const u8 *frame, u32 frame_len, u8 *category,
1257 u8 *action);
1258 const char *action_public_str(u8 action);
1259
1260 #endif /* IEEE80211_H */
1261