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b453872c JG |
1 | /* |
2 | * Merged with mainline ieee80211.h in Aug 2004. Original ieee802_11 | |
3 | * remains copyright by the original authors | |
4 | * | |
5 | * Portions of the merged code are based on Host AP (software wireless | |
6 | * LAN access point) driver for Intersil Prism2/2.5/3. | |
7 | * | |
8 | * Copyright (c) 2001-2002, SSH Communications Security Corp and Jouni Malinen | |
85d32e7b JM |
9 | * <j@w1.fi> |
10 | * Copyright (c) 2002-2003, Jouni Malinen <j@w1.fi> | |
b453872c JG |
11 | * |
12 | * Adaption to a generic IEEE 802.11 stack by James Ketrenos | |
13 | * <jketreno@linux.intel.com> | |
ebeaddcc | 14 | * Copyright (c) 2004-2005, Intel Corporation |
b453872c JG |
15 | * |
16 | * This program is free software; you can redistribute it and/or modify | |
17 | * it under the terms of the GNU General Public License version 2 as | |
18 | * published by the Free Software Foundation. See README and COPYING for | |
19 | * more details. | |
31696160 JK |
20 | * |
21 | * API Version History | |
22 | * 1.0.x -- Initial version | |
23 | * 1.1.x -- Added radiotap, QoS, TIM, ieee80211_geo APIs, | |
24 | * various structure changes, and crypto API init method | |
b453872c JG |
25 | */ |
26 | #ifndef IEEE80211_H | |
27 | #define IEEE80211_H | |
74079fdc JK |
28 | #include <linux/if_ether.h> /* ETH_ALEN */ |
29 | #include <linux/kernel.h> /* ARRAY_SIZE */ | |
b7721ff9 | 30 | #include <linux/wireless.h> |
b453872c | 31 | |
45a62ab3 | 32 | #define IEEE80211_VERSION "git-1.1.13" |
31696160 | 33 | |
b453872c JG |
34 | #define IEEE80211_DATA_LEN 2304 |
35 | /* Maximum size for the MA-UNITDATA primitive, 802.11 standard section | |
36 | 6.2.1.1.2. | |
37 | ||
38 | The figure in section 7.1.2 suggests a body size of up to 2312 | |
39 | bytes is allowed, which is a bit confusing, I suspect this | |
40 | represents the 2304 bytes of real data, plus a possible 8 bytes of | |
41 | WEP IV and ICV. (this interpretation suggested by Ramiro Barreiro) */ | |
42 | ||
286d9747 JB |
43 | #define IEEE80211_1ADDR_LEN 10 |
44 | #define IEEE80211_2ADDR_LEN 16 | |
b453872c JG |
45 | #define IEEE80211_3ADDR_LEN 24 |
46 | #define IEEE80211_4ADDR_LEN 30 | |
47 | #define IEEE80211_FCS_LEN 4 | |
ee34af37 JK |
48 | #define IEEE80211_HLEN (IEEE80211_4ADDR_LEN) |
49 | #define IEEE80211_FRAME_LEN (IEEE80211_DATA_LEN + IEEE80211_HLEN) | |
b453872c JG |
50 | |
51 | #define MIN_FRAG_THRESHOLD 256U | |
52 | #define MAX_FRAG_THRESHOLD 2346U | |
53 | ||
54 | /* Frame control field constants */ | |
f241be74 | 55 | #define IEEE80211_FCTL_VERS 0x0003 |
b453872c JG |
56 | #define IEEE80211_FCTL_FTYPE 0x000c |
57 | #define IEEE80211_FCTL_STYPE 0x00f0 | |
58 | #define IEEE80211_FCTL_TODS 0x0100 | |
59 | #define IEEE80211_FCTL_FROMDS 0x0200 | |
60 | #define IEEE80211_FCTL_MOREFRAGS 0x0400 | |
61 | #define IEEE80211_FCTL_RETRY 0x0800 | |
62 | #define IEEE80211_FCTL_PM 0x1000 | |
f13baae4 JB |
63 | #define IEEE80211_FCTL_MOREDATA 0x2000 |
64 | #define IEEE80211_FCTL_PROTECTED 0x4000 | |
b453872c JG |
65 | #define IEEE80211_FCTL_ORDER 0x8000 |
66 | ||
67 | #define IEEE80211_FTYPE_MGMT 0x0000 | |
68 | #define IEEE80211_FTYPE_CTL 0x0004 | |
69 | #define IEEE80211_FTYPE_DATA 0x0008 | |
70 | ||
71 | /* management */ | |
72 | #define IEEE80211_STYPE_ASSOC_REQ 0x0000 | |
73 | #define IEEE80211_STYPE_ASSOC_RESP 0x0010 | |
74 | #define IEEE80211_STYPE_REASSOC_REQ 0x0020 | |
75 | #define IEEE80211_STYPE_REASSOC_RESP 0x0030 | |
76 | #define IEEE80211_STYPE_PROBE_REQ 0x0040 | |
77 | #define IEEE80211_STYPE_PROBE_RESP 0x0050 | |
78 | #define IEEE80211_STYPE_BEACON 0x0080 | |
79 | #define IEEE80211_STYPE_ATIM 0x0090 | |
80 | #define IEEE80211_STYPE_DISASSOC 0x00A0 | |
81 | #define IEEE80211_STYPE_AUTH 0x00B0 | |
82 | #define IEEE80211_STYPE_DEAUTH 0x00C0 | |
f13baae4 | 83 | #define IEEE80211_STYPE_ACTION 0x00D0 |
b453872c JG |
84 | |
85 | /* control */ | |
86 | #define IEEE80211_STYPE_PSPOLL 0x00A0 | |
87 | #define IEEE80211_STYPE_RTS 0x00B0 | |
88 | #define IEEE80211_STYPE_CTS 0x00C0 | |
89 | #define IEEE80211_STYPE_ACK 0x00D0 | |
90 | #define IEEE80211_STYPE_CFEND 0x00E0 | |
91 | #define IEEE80211_STYPE_CFENDACK 0x00F0 | |
92 | ||
93 | /* data */ | |
94 | #define IEEE80211_STYPE_DATA 0x0000 | |
95 | #define IEEE80211_STYPE_DATA_CFACK 0x0010 | |
96 | #define IEEE80211_STYPE_DATA_CFPOLL 0x0020 | |
97 | #define IEEE80211_STYPE_DATA_CFACKPOLL 0x0030 | |
98 | #define IEEE80211_STYPE_NULLFUNC 0x0040 | |
99 | #define IEEE80211_STYPE_CFACK 0x0050 | |
100 | #define IEEE80211_STYPE_CFPOLL 0x0060 | |
101 | #define IEEE80211_STYPE_CFACKPOLL 0x0070 | |
9e8571af | 102 | #define IEEE80211_STYPE_QOS_DATA 0x0080 |
b453872c JG |
103 | |
104 | #define IEEE80211_SCTL_FRAG 0x000F | |
105 | #define IEEE80211_SCTL_SEQ 0xFFF0 | |
106 | ||
ea284152 ZY |
107 | /* QOS control */ |
108 | #define IEEE80211_QCTL_TID 0x000F | |
109 | ||
b453872c JG |
110 | /* debug macros */ |
111 | ||
112 | #ifdef CONFIG_IEEE80211_DEBUG | |
113 | extern u32 ieee80211_debug_level; | |
114 | #define IEEE80211_DEBUG(level, fmt, args...) \ | |
115 | do { if (ieee80211_debug_level & (level)) \ | |
116 | printk(KERN_DEBUG "ieee80211: %c %s " fmt, \ | |
d5c003b4 | 117 | in_interrupt() ? 'I' : 'U', __func__ , ## args); } while (0) |
92468c53 GC |
118 | static inline bool ieee80211_ratelimit_debug(u32 level) |
119 | { | |
120 | return (ieee80211_debug_level & level) && net_ratelimit(); | |
121 | } | |
b453872c JG |
122 | #else |
123 | #define IEEE80211_DEBUG(level, fmt, args...) do {} while (0) | |
92468c53 GC |
124 | static inline bool ieee80211_ratelimit_debug(u32 level) |
125 | { | |
126 | return false; | |
127 | } | |
74079fdc | 128 | #endif /* CONFIG_IEEE80211_DEBUG */ |
e88187ee | 129 | |
e88187ee JB |
130 | /* escape_essid() is intended to be used in debug (and possibly error) |
131 | * messages. It should never be used for passing essid to user space. */ | |
132 | const char *escape_essid(const char *essid, u8 essid_len); | |
133 | ||
b453872c | 134 | /* |
e88187ee | 135 | * To use the debug system: |
b453872c JG |
136 | * |
137 | * If you are defining a new debug classification, simply add it to the #define | |
138 | * list here in the form of: | |
139 | * | |
140 | * #define IEEE80211_DL_xxxx VALUE | |
141 | * | |
142 | * shifting value to the left one bit from the previous entry. xxxx should be | |
143 | * the name of the classification (for example, WEP) | |
144 | * | |
145 | * You then need to either add a IEEE80211_xxxx_DEBUG() macro definition for your | |
146 | * classification, or use IEEE80211_DEBUG(IEEE80211_DL_xxxx, ...) whenever you want | |
147 | * to send output to that classification. | |
148 | * | |
149 | * To add your debug level to the list of levels seen when you perform | |
150 | * | |
91cb70c1 | 151 | * % cat /proc/net/ieee80211/debug_level |
b453872c | 152 | * |
91cb70c1 | 153 | * you simply need to add your entry to the ieee80211_debug_level array. |
b453872c | 154 | * |
91cb70c1 | 155 | * If you do not see debug_level in /proc/net/ieee80211 then you do not have |
b453872c JG |
156 | * CONFIG_IEEE80211_DEBUG defined in your kernel configuration |
157 | * | |
158 | */ | |
159 | ||
160 | #define IEEE80211_DL_INFO (1<<0) | |
161 | #define IEEE80211_DL_WX (1<<1) | |
162 | #define IEEE80211_DL_SCAN (1<<2) | |
163 | #define IEEE80211_DL_STATE (1<<3) | |
164 | #define IEEE80211_DL_MGMT (1<<4) | |
165 | #define IEEE80211_DL_FRAG (1<<5) | |
b453872c JG |
166 | #define IEEE80211_DL_DROP (1<<7) |
167 | ||
168 | #define IEEE80211_DL_TX (1<<8) | |
169 | #define IEEE80211_DL_RX (1<<9) | |
9e8571af | 170 | #define IEEE80211_DL_QOS (1<<31) |
b453872c JG |
171 | |
172 | #define IEEE80211_ERROR(f, a...) printk(KERN_ERR "ieee80211: " f, ## a) | |
173 | #define IEEE80211_WARNING(f, a...) printk(KERN_WARNING "ieee80211: " f, ## a) | |
174 | #define IEEE80211_DEBUG_INFO(f, a...) IEEE80211_DEBUG(IEEE80211_DL_INFO, f, ## a) | |
175 | ||
176 | #define IEEE80211_DEBUG_WX(f, a...) IEEE80211_DEBUG(IEEE80211_DL_WX, f, ## a) | |
177 | #define IEEE80211_DEBUG_SCAN(f, a...) IEEE80211_DEBUG(IEEE80211_DL_SCAN, f, ## a) | |
178 | #define IEEE80211_DEBUG_STATE(f, a...) IEEE80211_DEBUG(IEEE80211_DL_STATE, f, ## a) | |
179 | #define IEEE80211_DEBUG_MGMT(f, a...) IEEE80211_DEBUG(IEEE80211_DL_MGMT, f, ## a) | |
180 | #define IEEE80211_DEBUG_FRAG(f, a...) IEEE80211_DEBUG(IEEE80211_DL_FRAG, f, ## a) | |
b453872c JG |
181 | #define IEEE80211_DEBUG_DROP(f, a...) IEEE80211_DEBUG(IEEE80211_DL_DROP, f, ## a) |
182 | #define IEEE80211_DEBUG_TX(f, a...) IEEE80211_DEBUG(IEEE80211_DL_TX, f, ## a) | |
183 | #define IEEE80211_DEBUG_RX(f, a...) IEEE80211_DEBUG(IEEE80211_DL_RX, f, ## a) | |
9e8571af | 184 | #define IEEE80211_DEBUG_QOS(f, a...) IEEE80211_DEBUG(IEEE80211_DL_QOS, f, ## a) |
b453872c | 185 | #include <linux/netdevice.h> |
74079fdc | 186 | #include <linux/if_arp.h> /* ARPHRD_ETHER */ |
b453872c JG |
187 | |
188 | #ifndef WIRELESS_SPY | |
099c5bb1 | 189 | #define WIRELESS_SPY /* enable iwspy support */ |
b453872c | 190 | #endif |
099c5bb1 | 191 | #include <net/iw_handler.h> /* new driver API */ |
b453872c | 192 | |
74079fdc | 193 | #define ETH_P_PREAUTH 0x88C7 /* IEEE 802.11i pre-authentication */ |
b453872c JG |
194 | |
195 | #ifndef ETH_P_80211_RAW | |
196 | #define ETH_P_80211_RAW (ETH_P_ECONET + 1) | |
197 | #endif | |
198 | ||
199 | /* IEEE 802.11 defines */ | |
200 | ||
201 | #define P80211_OUI_LEN 3 | |
202 | ||
203 | struct ieee80211_snap_hdr { | |
204 | ||
74079fdc JK |
205 | u8 dsap; /* always 0xAA */ |
206 | u8 ssap; /* always 0xAA */ | |
207 | u8 ctrl; /* always 0x03 */ | |
208 | u8 oui[P80211_OUI_LEN]; /* organizational universal id */ | |
b453872c JG |
209 | |
210 | } __attribute__ ((packed)); | |
211 | ||
212 | #define SNAP_SIZE sizeof(struct ieee80211_snap_hdr) | |
213 | ||
f13baae4 | 214 | #define WLAN_FC_GET_VERS(fc) ((fc) & IEEE80211_FCTL_VERS) |
b453872c JG |
215 | #define WLAN_FC_GET_TYPE(fc) ((fc) & IEEE80211_FCTL_FTYPE) |
216 | #define WLAN_FC_GET_STYPE(fc) ((fc) & IEEE80211_FCTL_STYPE) | |
217 | ||
218 | #define WLAN_GET_SEQ_FRAG(seq) ((seq) & IEEE80211_SCTL_FRAG) | |
3eb54605 | 219 | #define WLAN_GET_SEQ_SEQ(seq) (((seq) & IEEE80211_SCTL_SEQ) >> 4) |
b453872c JG |
220 | |
221 | /* Authentication algorithms */ | |
222 | #define WLAN_AUTH_OPEN 0 | |
223 | #define WLAN_AUTH_SHARED_KEY 1 | |
24056bec | 224 | #define WLAN_AUTH_LEAP 2 |
b453872c JG |
225 | |
226 | #define WLAN_AUTH_CHALLENGE_LEN 128 | |
227 | ||
2474385e | 228 | #define WLAN_CAPABILITY_ESS (1<<0) |
b453872c JG |
229 | #define WLAN_CAPABILITY_IBSS (1<<1) |
230 | #define WLAN_CAPABILITY_CF_POLLABLE (1<<2) | |
231 | #define WLAN_CAPABILITY_CF_POLL_REQUEST (1<<3) | |
232 | #define WLAN_CAPABILITY_PRIVACY (1<<4) | |
233 | #define WLAN_CAPABILITY_SHORT_PREAMBLE (1<<5) | |
234 | #define WLAN_CAPABILITY_PBCC (1<<6) | |
235 | #define WLAN_CAPABILITY_CHANNEL_AGILITY (1<<7) | |
f13baae4 | 236 | #define WLAN_CAPABILITY_SPECTRUM_MGMT (1<<8) |
42c94e43 | 237 | #define WLAN_CAPABILITY_QOS (1<<9) |
f13baae4 | 238 | #define WLAN_CAPABILITY_SHORT_SLOT_TIME (1<<10) |
42c94e43 | 239 | #define WLAN_CAPABILITY_DSSS_OFDM (1<<13) |
b453872c | 240 | |
d8e2be90 DD |
241 | /* 802.11g ERP information element */ |
242 | #define WLAN_ERP_NON_ERP_PRESENT (1<<0) | |
243 | #define WLAN_ERP_USE_PROTECTION (1<<1) | |
244 | #define WLAN_ERP_BARKER_PREAMBLE (1<<2) | |
245 | ||
b453872c | 246 | /* Status codes */ |
95d5185d JB |
247 | enum ieee80211_statuscode { |
248 | WLAN_STATUS_SUCCESS = 0, | |
249 | WLAN_STATUS_UNSPECIFIED_FAILURE = 1, | |
250 | WLAN_STATUS_CAPS_UNSUPPORTED = 10, | |
251 | WLAN_STATUS_REASSOC_NO_ASSOC = 11, | |
252 | WLAN_STATUS_ASSOC_DENIED_UNSPEC = 12, | |
253 | WLAN_STATUS_NOT_SUPPORTED_AUTH_ALG = 13, | |
254 | WLAN_STATUS_UNKNOWN_AUTH_TRANSACTION = 14, | |
255 | WLAN_STATUS_CHALLENGE_FAIL = 15, | |
256 | WLAN_STATUS_AUTH_TIMEOUT = 16, | |
257 | WLAN_STATUS_AP_UNABLE_TO_HANDLE_NEW_STA = 17, | |
258 | WLAN_STATUS_ASSOC_DENIED_RATES = 18, | |
259 | /* 802.11b */ | |
260 | WLAN_STATUS_ASSOC_DENIED_NOSHORTPREAMBLE = 19, | |
261 | WLAN_STATUS_ASSOC_DENIED_NOPBCC = 20, | |
262 | WLAN_STATUS_ASSOC_DENIED_NOAGILITY = 21, | |
263 | /* 802.11h */ | |
264 | WLAN_STATUS_ASSOC_DENIED_NOSPECTRUM = 22, | |
265 | WLAN_STATUS_ASSOC_REJECTED_BAD_POWER = 23, | |
266 | WLAN_STATUS_ASSOC_REJECTED_BAD_SUPP_CHAN = 24, | |
267 | /* 802.11g */ | |
268 | WLAN_STATUS_ASSOC_DENIED_NOSHORTTIME = 25, | |
269 | WLAN_STATUS_ASSOC_DENIED_NODSSSOFDM = 26, | |
270 | /* 802.11i */ | |
271 | WLAN_STATUS_INVALID_IE = 40, | |
272 | WLAN_STATUS_INVALID_GROUP_CIPHER = 41, | |
273 | WLAN_STATUS_INVALID_PAIRWISE_CIPHER = 42, | |
274 | WLAN_STATUS_INVALID_AKMP = 43, | |
275 | WLAN_STATUS_UNSUPP_RSN_VERSION = 44, | |
276 | WLAN_STATUS_INVALID_RSN_IE_CAP = 45, | |
277 | WLAN_STATUS_CIPHER_SUITE_REJECTED = 46, | |
278 | }; | |
b453872c JG |
279 | |
280 | /* Reason codes */ | |
95d5185d JB |
281 | enum ieee80211_reasoncode { |
282 | WLAN_REASON_UNSPECIFIED = 1, | |
283 | WLAN_REASON_PREV_AUTH_NOT_VALID = 2, | |
284 | WLAN_REASON_DEAUTH_LEAVING = 3, | |
285 | WLAN_REASON_DISASSOC_DUE_TO_INACTIVITY = 4, | |
286 | WLAN_REASON_DISASSOC_AP_BUSY = 5, | |
287 | WLAN_REASON_CLASS2_FRAME_FROM_NONAUTH_STA = 6, | |
288 | WLAN_REASON_CLASS3_FRAME_FROM_NONASSOC_STA = 7, | |
289 | WLAN_REASON_DISASSOC_STA_HAS_LEFT = 8, | |
290 | WLAN_REASON_STA_REQ_ASSOC_WITHOUT_AUTH = 9, | |
291 | /* 802.11h */ | |
292 | WLAN_REASON_DISASSOC_BAD_POWER = 10, | |
293 | WLAN_REASON_DISASSOC_BAD_SUPP_CHAN = 11, | |
294 | /* 802.11i */ | |
295 | WLAN_REASON_INVALID_IE = 13, | |
296 | WLAN_REASON_MIC_FAILURE = 14, | |
297 | WLAN_REASON_4WAY_HANDSHAKE_TIMEOUT = 15, | |
298 | WLAN_REASON_GROUP_KEY_HANDSHAKE_TIMEOUT = 16, | |
299 | WLAN_REASON_IE_DIFFERENT = 17, | |
300 | WLAN_REASON_INVALID_GROUP_CIPHER = 18, | |
301 | WLAN_REASON_INVALID_PAIRWISE_CIPHER = 19, | |
302 | WLAN_REASON_INVALID_AKMP = 20, | |
303 | WLAN_REASON_UNSUPP_RSN_VERSION = 21, | |
304 | WLAN_REASON_INVALID_RSN_IE_CAP = 22, | |
305 | WLAN_REASON_IEEE8021X_FAILED = 23, | |
306 | WLAN_REASON_CIPHER_SUITE_REJECTED = 24, | |
307 | }; | |
b453872c | 308 | |
b79e20b6 ZY |
309 | /* Action categories - 802.11h */ |
310 | enum ieee80211_actioncategories { | |
311 | WLAN_ACTION_SPECTRUM_MGMT = 0, | |
312 | /* Reserved 1-127 */ | |
313 | /* Error 128-255 */ | |
314 | }; | |
315 | ||
316 | /* Action details - 802.11h */ | |
317 | enum ieee80211_actiondetails { | |
318 | WLAN_ACTION_CATEGORY_MEASURE_REQUEST = 0, | |
319 | WLAN_ACTION_CATEGORY_MEASURE_REPORT = 1, | |
320 | WLAN_ACTION_CATEGORY_TPC_REQUEST = 2, | |
321 | WLAN_ACTION_CATEGORY_TPC_REPORT = 3, | |
322 | WLAN_ACTION_CATEGORY_CHANNEL_SWITCH = 4, | |
323 | /* 5 - 255 Reserved */ | |
324 | }; | |
325 | ||
b453872c JG |
326 | #define IEEE80211_STATMASK_SIGNAL (1<<0) |
327 | #define IEEE80211_STATMASK_RSSI (1<<1) | |
328 | #define IEEE80211_STATMASK_NOISE (1<<2) | |
329 | #define IEEE80211_STATMASK_RATE (1<<3) | |
330 | #define IEEE80211_STATMASK_WEMASK 0x7 | |
331 | ||
b453872c JG |
332 | #define IEEE80211_CCK_MODULATION (1<<0) |
333 | #define IEEE80211_OFDM_MODULATION (1<<1) | |
334 | ||
335 | #define IEEE80211_24GHZ_BAND (1<<0) | |
336 | #define IEEE80211_52GHZ_BAND (1<<1) | |
337 | ||
338 | #define IEEE80211_CCK_RATE_1MB 0x02 | |
339 | #define IEEE80211_CCK_RATE_2MB 0x04 | |
340 | #define IEEE80211_CCK_RATE_5MB 0x0B | |
341 | #define IEEE80211_CCK_RATE_11MB 0x16 | |
342 | #define IEEE80211_OFDM_RATE_6MB 0x0C | |
343 | #define IEEE80211_OFDM_RATE_9MB 0x12 | |
344 | #define IEEE80211_OFDM_RATE_12MB 0x18 | |
345 | #define IEEE80211_OFDM_RATE_18MB 0x24 | |
346 | #define IEEE80211_OFDM_RATE_24MB 0x30 | |
347 | #define IEEE80211_OFDM_RATE_36MB 0x48 | |
348 | #define IEEE80211_OFDM_RATE_48MB 0x60 | |
349 | #define IEEE80211_OFDM_RATE_54MB 0x6C | |
350 | #define IEEE80211_BASIC_RATE_MASK 0x80 | |
351 | ||
352 | #define IEEE80211_CCK_RATE_1MB_MASK (1<<0) | |
353 | #define IEEE80211_CCK_RATE_2MB_MASK (1<<1) | |
354 | #define IEEE80211_CCK_RATE_5MB_MASK (1<<2) | |
355 | #define IEEE80211_CCK_RATE_11MB_MASK (1<<3) | |
356 | #define IEEE80211_OFDM_RATE_6MB_MASK (1<<4) | |
357 | #define IEEE80211_OFDM_RATE_9MB_MASK (1<<5) | |
358 | #define IEEE80211_OFDM_RATE_12MB_MASK (1<<6) | |
359 | #define IEEE80211_OFDM_RATE_18MB_MASK (1<<7) | |
360 | #define IEEE80211_OFDM_RATE_24MB_MASK (1<<8) | |
361 | #define IEEE80211_OFDM_RATE_36MB_MASK (1<<9) | |
362 | #define IEEE80211_OFDM_RATE_48MB_MASK (1<<10) | |
363 | #define IEEE80211_OFDM_RATE_54MB_MASK (1<<11) | |
364 | ||
365 | #define IEEE80211_CCK_RATES_MASK 0x0000000F | |
366 | #define IEEE80211_CCK_BASIC_RATES_MASK (IEEE80211_CCK_RATE_1MB_MASK | \ | |
367 | IEEE80211_CCK_RATE_2MB_MASK) | |
368 | #define IEEE80211_CCK_DEFAULT_RATES_MASK (IEEE80211_CCK_BASIC_RATES_MASK | \ | |
369 | IEEE80211_CCK_RATE_5MB_MASK | \ | |
370 | IEEE80211_CCK_RATE_11MB_MASK) | |
371 | ||
372 | #define IEEE80211_OFDM_RATES_MASK 0x00000FF0 | |
373 | #define IEEE80211_OFDM_BASIC_RATES_MASK (IEEE80211_OFDM_RATE_6MB_MASK | \ | |
374 | IEEE80211_OFDM_RATE_12MB_MASK | \ | |
375 | IEEE80211_OFDM_RATE_24MB_MASK) | |
376 | #define IEEE80211_OFDM_DEFAULT_RATES_MASK (IEEE80211_OFDM_BASIC_RATES_MASK | \ | |
377 | IEEE80211_OFDM_RATE_9MB_MASK | \ | |
378 | IEEE80211_OFDM_RATE_18MB_MASK | \ | |
379 | IEEE80211_OFDM_RATE_36MB_MASK | \ | |
380 | IEEE80211_OFDM_RATE_48MB_MASK | \ | |
381 | IEEE80211_OFDM_RATE_54MB_MASK) | |
382 | #define IEEE80211_DEFAULT_RATES_MASK (IEEE80211_OFDM_DEFAULT_RATES_MASK | \ | |
383 | IEEE80211_CCK_DEFAULT_RATES_MASK) | |
384 | ||
385 | #define IEEE80211_NUM_OFDM_RATES 8 | |
386 | #define IEEE80211_NUM_CCK_RATES 4 | |
387 | #define IEEE80211_OFDM_SHIFT_MASK_A 4 | |
388 | ||
b453872c | 389 | /* NOTE: This data is for statistical purposes; not all hardware provides this |
c9fa7d5d JB |
390 | * information for frames received. |
391 | * For ieee80211_rx_mgt, you need to set at least the 'len' parameter. | |
392 | */ | |
b453872c JG |
393 | struct ieee80211_rx_stats { |
394 | u32 mac_time; | |
395 | s8 rssi; | |
396 | u8 signal; | |
397 | u8 noise; | |
74079fdc | 398 | u16 rate; /* in 100 kbps */ |
b453872c JG |
399 | u8 received_channel; |
400 | u8 control; | |
401 | u8 mask; | |
402 | u8 freq; | |
403 | u16 len; | |
b79e20b6 ZY |
404 | u64 tsf; |
405 | u32 beacon_time; | |
b453872c JG |
406 | }; |
407 | ||
408 | /* IEEE 802.11 requires that STA supports concurrent reception of at least | |
409 | * three fragmented frames. This define can be increased to support more | |
410 | * concurrent frames, but it should be noted that each entry can consume about | |
411 | * 2 kB of RAM and increasing cache size will slow down frame reassembly. */ | |
412 | #define IEEE80211_FRAG_CACHE_LEN 4 | |
413 | ||
414 | struct ieee80211_frag_entry { | |
415 | unsigned long first_frag_time; | |
416 | unsigned int seq; | |
417 | unsigned int last_frag; | |
418 | struct sk_buff *skb; | |
419 | u8 src_addr[ETH_ALEN]; | |
420 | u8 dst_addr[ETH_ALEN]; | |
421 | }; | |
422 | ||
423 | struct ieee80211_stats { | |
424 | unsigned int tx_unicast_frames; | |
425 | unsigned int tx_multicast_frames; | |
426 | unsigned int tx_fragments; | |
427 | unsigned int tx_unicast_octets; | |
428 | unsigned int tx_multicast_octets; | |
429 | unsigned int tx_deferred_transmissions; | |
430 | unsigned int tx_single_retry_frames; | |
431 | unsigned int tx_multiple_retry_frames; | |
432 | unsigned int tx_retry_limit_exceeded; | |
433 | unsigned int tx_discards; | |
434 | unsigned int rx_unicast_frames; | |
435 | unsigned int rx_multicast_frames; | |
436 | unsigned int rx_fragments; | |
437 | unsigned int rx_unicast_octets; | |
438 | unsigned int rx_multicast_octets; | |
439 | unsigned int rx_fcs_errors; | |
440 | unsigned int rx_discards_no_buffer; | |
441 | unsigned int tx_discards_wrong_sa; | |
442 | unsigned int rx_discards_undecryptable; | |
443 | unsigned int rx_message_in_msg_fragments; | |
444 | unsigned int rx_message_in_bad_msg_fragments; | |
445 | }; | |
446 | ||
447 | struct ieee80211_device; | |
448 | ||
449 | #include "ieee80211_crypt.h" | |
450 | ||
f1bf6638 JK |
451 | #define SEC_KEY_1 (1<<0) |
452 | #define SEC_KEY_2 (1<<1) | |
453 | #define SEC_KEY_3 (1<<2) | |
454 | #define SEC_KEY_4 (1<<3) | |
455 | #define SEC_ACTIVE_KEY (1<<4) | |
456 | #define SEC_AUTH_MODE (1<<5) | |
457 | #define SEC_UNICAST_GROUP (1<<6) | |
458 | #define SEC_LEVEL (1<<7) | |
459 | #define SEC_ENABLED (1<<8) | |
259bf1fd | 460 | #define SEC_ENCRYPT (1<<9) |
f1bf6638 JK |
461 | |
462 | #define SEC_LEVEL_0 0 /* None */ | |
463 | #define SEC_LEVEL_1 1 /* WEP 40 and 104 bit */ | |
464 | #define SEC_LEVEL_2 2 /* Level 1 + TKIP */ | |
465 | #define SEC_LEVEL_2_CKIP 3 /* Level 1 + CKIP */ | |
466 | #define SEC_LEVEL_3 4 /* Level 2 + CCMP */ | |
467 | ||
e0d369d1 JK |
468 | #define SEC_ALG_NONE 0 |
469 | #define SEC_ALG_WEP 1 | |
470 | #define SEC_ALG_TKIP 2 | |
471 | #define SEC_ALG_CCMP 3 | |
472 | ||
f1bf6638 JK |
473 | #define WEP_KEYS 4 |
474 | #define WEP_KEY_LEN 13 | |
475 | #define SCM_KEY_LEN 32 | |
476 | #define SCM_TEMPORAL_KEY_LENGTH 16 | |
b453872c JG |
477 | |
478 | struct ieee80211_security { | |
479 | u16 active_key:2, | |
f1bf6638 JK |
480 | enabled:1, |
481 | auth_mode:2, auth_algo:4, unicast_uses_group:1, encrypt:1; | |
e0d369d1 | 482 | u8 encode_alg[WEP_KEYS]; |
b453872c | 483 | u8 key_sizes[WEP_KEYS]; |
f1bf6638 | 484 | u8 keys[WEP_KEYS][SCM_KEY_LEN]; |
b453872c JG |
485 | u8 level; |
486 | u16 flags; | |
487 | } __attribute__ ((packed)); | |
488 | ||
b453872c JG |
489 | /* |
490 | ||
491 | 802.11 data frame from AP | |
492 | ||
493 | ,-------------------------------------------------------------------. | |
494 | Bytes | 2 | 2 | 6 | 6 | 6 | 2 | 0..2312 | 4 | | |
495 | |------|------|---------|---------|---------|------|---------|------| | |
496 | Desc. | ctrl | dura | DA/RA | TA | SA | Sequ | frame | fcs | | |
497 | | | tion | (BSSID) | | | ence | data | | | |
498 | `-------------------------------------------------------------------' | |
499 | ||
500 | Total: 28-2340 bytes | |
501 | ||
502 | */ | |
503 | ||
b453872c JG |
504 | #define BEACON_PROBE_SSID_ID_POSITION 12 |
505 | ||
506 | /* Management Frame Information Element Types */ | |
95d5185d JB |
507 | enum ieee80211_mfie { |
508 | MFIE_TYPE_SSID = 0, | |
509 | MFIE_TYPE_RATES = 1, | |
510 | MFIE_TYPE_FH_SET = 2, | |
511 | MFIE_TYPE_DS_SET = 3, | |
74079fdc | 512 | MFIE_TYPE_CF_SET = 4, |
95d5185d JB |
513 | MFIE_TYPE_TIM = 5, |
514 | MFIE_TYPE_IBSS_SET = 6, | |
515 | MFIE_TYPE_COUNTRY = 7, | |
516 | MFIE_TYPE_HOP_PARAMS = 8, | |
517 | MFIE_TYPE_HOP_TABLE = 9, | |
518 | MFIE_TYPE_REQUEST = 10, | |
519 | MFIE_TYPE_CHALLENGE = 16, | |
520 | MFIE_TYPE_POWER_CONSTRAINT = 32, | |
521 | MFIE_TYPE_POWER_CAPABILITY = 33, | |
522 | MFIE_TYPE_TPC_REQUEST = 34, | |
523 | MFIE_TYPE_TPC_REPORT = 35, | |
524 | MFIE_TYPE_SUPP_CHANNELS = 36, | |
525 | MFIE_TYPE_CSA = 37, | |
526 | MFIE_TYPE_MEASURE_REQUEST = 38, | |
527 | MFIE_TYPE_MEASURE_REPORT = 39, | |
528 | MFIE_TYPE_QUIET = 40, | |
529 | MFIE_TYPE_IBSS_DFS = 41, | |
530 | MFIE_TYPE_ERP_INFO = 42, | |
531 | MFIE_TYPE_RSN = 48, | |
532 | MFIE_TYPE_RATES_EX = 50, | |
533 | MFIE_TYPE_GENERIC = 221, | |
9e8571af | 534 | MFIE_TYPE_QOS_PARAMETER = 222, |
95d5185d | 535 | }; |
b453872c | 536 | |
ee34af37 JK |
537 | /* Minimal header; can be used for passing 802.11 frames with sufficient |
538 | * information to determine what type of underlying data type is actually | |
539 | * stored in the data. */ | |
540 | struct ieee80211_hdr { | |
cdcfc210 JK |
541 | __le16 frame_ctl; |
542 | __le16 duration_id; | |
ee34af37 JK |
543 | u8 payload[0]; |
544 | } __attribute__ ((packed)); | |
545 | ||
546 | struct ieee80211_hdr_1addr { | |
cdcfc210 JK |
547 | __le16 frame_ctl; |
548 | __le16 duration_id; | |
ee34af37 JK |
549 | u8 addr1[ETH_ALEN]; |
550 | u8 payload[0]; | |
551 | } __attribute__ ((packed)); | |
552 | ||
553 | struct ieee80211_hdr_2addr { | |
cdcfc210 JK |
554 | __le16 frame_ctl; |
555 | __le16 duration_id; | |
ee34af37 JK |
556 | u8 addr1[ETH_ALEN]; |
557 | u8 addr2[ETH_ALEN]; | |
558 | u8 payload[0]; | |
559 | } __attribute__ ((packed)); | |
560 | ||
561 | struct ieee80211_hdr_3addr { | |
cdcfc210 JK |
562 | __le16 frame_ctl; |
563 | __le16 duration_id; | |
ee34af37 JK |
564 | u8 addr1[ETH_ALEN]; |
565 | u8 addr2[ETH_ALEN]; | |
566 | u8 addr3[ETH_ALEN]; | |
cdcfc210 | 567 | __le16 seq_ctl; |
ee34af37 JK |
568 | u8 payload[0]; |
569 | } __attribute__ ((packed)); | |
570 | ||
571 | struct ieee80211_hdr_4addr { | |
cdcfc210 JK |
572 | __le16 frame_ctl; |
573 | __le16 duration_id; | |
ee34af37 JK |
574 | u8 addr1[ETH_ALEN]; |
575 | u8 addr2[ETH_ALEN]; | |
576 | u8 addr3[ETH_ALEN]; | |
cdcfc210 | 577 | __le16 seq_ctl; |
ee34af37 JK |
578 | u8 addr4[ETH_ALEN]; |
579 | u8 payload[0]; | |
580 | } __attribute__ ((packed)); | |
581 | ||
9e8571af | 582 | struct ieee80211_hdr_3addrqos { |
cdcfc210 JK |
583 | __le16 frame_ctl; |
584 | __le16 duration_id; | |
9e8571af JK |
585 | u8 addr1[ETH_ALEN]; |
586 | u8 addr2[ETH_ALEN]; | |
587 | u8 addr3[ETH_ALEN]; | |
cdcfc210 | 588 | __le16 seq_ctl; |
9e8571af | 589 | u8 payload[0]; |
cdcfc210 | 590 | __le16 qos_ctl; |
9e8571af JK |
591 | } __attribute__ ((packed)); |
592 | ||
593 | struct ieee80211_hdr_4addrqos { | |
cdcfc210 JK |
594 | __le16 frame_ctl; |
595 | __le16 duration_id; | |
9e8571af JK |
596 | u8 addr1[ETH_ALEN]; |
597 | u8 addr2[ETH_ALEN]; | |
598 | u8 addr3[ETH_ALEN]; | |
cdcfc210 | 599 | __le16 seq_ctl; |
9e8571af JK |
600 | u8 addr4[ETH_ALEN]; |
601 | u8 payload[0]; | |
cdcfc210 | 602 | __le16 qos_ctl; |
9e8571af JK |
603 | } __attribute__ ((packed)); |
604 | ||
b453872c JG |
605 | struct ieee80211_info_element { |
606 | u8 id; | |
607 | u8 len; | |
608 | u8 data[0]; | |
609 | } __attribute__ ((packed)); | |
610 | ||
611 | /* | |
612 | * These are the data types that can make up management packets | |
613 | * | |
614 | u16 auth_algorithm; | |
615 | u16 auth_sequence; | |
616 | u16 beacon_interval; | |
617 | u16 capability; | |
618 | u8 current_ap[ETH_ALEN]; | |
619 | u16 listen_interval; | |
620 | struct { | |
621 | u16 association_id:14, reserved:2; | |
622 | } __attribute__ ((packed)); | |
623 | u32 time_stamp[2]; | |
624 | u16 reason; | |
625 | u16 status; | |
626 | */ | |
627 | ||
ee34af37 | 628 | struct ieee80211_auth { |
286d9747 | 629 | struct ieee80211_hdr_3addr header; |
099c5bb1 JB |
630 | __le16 algorithm; |
631 | __le16 transaction; | |
632 | __le16 status; | |
e5658d3e | 633 | /* challenge */ |
68e4e036 | 634 | struct ieee80211_info_element info_element[0]; |
b453872c JG |
635 | } __attribute__ ((packed)); |
636 | ||
b79e20b6 ZY |
637 | struct ieee80211_channel_switch { |
638 | u8 id; | |
639 | u8 len; | |
640 | u8 mode; | |
641 | u8 channel; | |
642 | u8 count; | |
643 | } __attribute__ ((packed)); | |
644 | ||
645 | struct ieee80211_action { | |
646 | struct ieee80211_hdr_3addr header; | |
647 | u8 category; | |
648 | u8 action; | |
649 | union { | |
650 | struct ieee80211_action_exchange { | |
651 | u8 token; | |
652 | struct ieee80211_info_element info_element[0]; | |
653 | } exchange; | |
654 | struct ieee80211_channel_switch channel_switch; | |
655 | ||
656 | } format; | |
657 | } __attribute__ ((packed)); | |
658 | ||
ee34af37 JK |
659 | struct ieee80211_disassoc { |
660 | struct ieee80211_hdr_3addr header; | |
e5658d3e | 661 | __le16 reason; |
ee34af37 JK |
662 | } __attribute__ ((packed)); |
663 | ||
e5658d3e | 664 | /* Alias deauth for disassoc */ |
604116a3 | 665 | #define ieee80211_deauth ieee80211_disassoc |
e5658d3e | 666 | |
ee34af37 JK |
667 | struct ieee80211_probe_request { |
668 | struct ieee80211_hdr_3addr header; | |
e5658d3e | 669 | /* SSID, supported rates */ |
ee34af37 JK |
670 | struct ieee80211_info_element info_element[0]; |
671 | } __attribute__ ((packed)); | |
672 | ||
b453872c | 673 | struct ieee80211_probe_response { |
286d9747 | 674 | struct ieee80211_hdr_3addr header; |
d9e94d56 | 675 | __le32 time_stamp[2]; |
099c5bb1 JB |
676 | __le16 beacon_interval; |
677 | __le16 capability; | |
e5658d3e JK |
678 | /* SSID, supported rates, FH params, DS params, |
679 | * CF params, IBSS params, TIM (if beacon), RSN */ | |
68e4e036 | 680 | struct ieee80211_info_element info_element[0]; |
b453872c JG |
681 | } __attribute__ ((packed)); |
682 | ||
ee34af37 JK |
683 | /* Alias beacon for probe_response */ |
684 | #define ieee80211_beacon ieee80211_probe_response | |
685 | ||
686 | struct ieee80211_assoc_request { | |
687 | struct ieee80211_hdr_3addr header; | |
cdcfc210 JK |
688 | __le16 capability; |
689 | __le16 listen_interval; | |
e5658d3e | 690 | /* SSID, supported rates, RSN */ |
ee34af37 JK |
691 | struct ieee80211_info_element info_element[0]; |
692 | } __attribute__ ((packed)); | |
693 | ||
694 | struct ieee80211_reassoc_request { | |
695 | struct ieee80211_hdr_3addr header; | |
099c5bb1 JB |
696 | __le16 capability; |
697 | __le16 listen_interval; | |
b453872c | 698 | u8 current_ap[ETH_ALEN]; |
68e4e036 | 699 | struct ieee80211_info_element info_element[0]; |
b453872c JG |
700 | } __attribute__ ((packed)); |
701 | ||
ee34af37 | 702 | struct ieee80211_assoc_response { |
b453872c | 703 | struct ieee80211_hdr_3addr header; |
099c5bb1 JB |
704 | __le16 capability; |
705 | __le16 status; | |
706 | __le16 aid; | |
e5658d3e JK |
707 | /* supported rates */ |
708 | struct ieee80211_info_element info_element[0]; | |
b453872c JG |
709 | } __attribute__ ((packed)); |
710 | ||
b453872c JG |
711 | struct ieee80211_txb { |
712 | u8 nr_frags; | |
713 | u8 encrypted; | |
ee34af37 JK |
714 | u8 rts_included; |
715 | u8 reserved; | |
d9e94d56 AV |
716 | u16 frag_size; |
717 | u16 payload_size; | |
b453872c JG |
718 | struct sk_buff *fragments[0]; |
719 | }; | |
720 | ||
099c5bb1 | 721 | /* SWEEP TABLE ENTRIES NUMBER */ |
b453872c JG |
722 | #define MAX_SWEEP_TAB_ENTRIES 42 |
723 | #define MAX_SWEEP_TAB_ENTRIES_PER_PACKET 7 | |
724 | /* MAX_RATES_LENGTH needs to be 12. The spec says 8, and many APs | |
725 | * only use 8, and then use extended rates for the remaining supported | |
726 | * rates. Other APs, however, stick all of their supported rates on the | |
727 | * main rates information element... */ | |
728 | #define MAX_RATES_LENGTH ((u8)12) | |
729 | #define MAX_RATES_EX_LENGTH ((u8)16) | |
730 | #define MAX_NETWORK_COUNT 128 | |
731 | ||
732 | #define CRC_LENGTH 4U | |
733 | ||
734 | #define MAX_WPA_IE_LEN 64 | |
735 | ||
9e8571af JK |
736 | #define NETWORK_EMPTY_ESSID (1<<0) |
737 | #define NETWORK_HAS_OFDM (1<<1) | |
738 | #define NETWORK_HAS_CCK (1<<2) | |
739 | ||
740 | /* QoS structure */ | |
741 | #define NETWORK_HAS_QOS_PARAMETERS (1<<3) | |
742 | #define NETWORK_HAS_QOS_INFORMATION (1<<4) | |
b79e20b6 ZY |
743 | #define NETWORK_HAS_QOS_MASK (NETWORK_HAS_QOS_PARAMETERS | \ |
744 | NETWORK_HAS_QOS_INFORMATION) | |
745 | ||
746 | /* 802.11h */ | |
747 | #define NETWORK_HAS_POWER_CONSTRAINT (1<<5) | |
748 | #define NETWORK_HAS_CSA (1<<6) | |
749 | #define NETWORK_HAS_QUIET (1<<7) | |
750 | #define NETWORK_HAS_IBSS_DFS (1<<8) | |
751 | #define NETWORK_HAS_TPC_REPORT (1<<9) | |
9e8571af | 752 | |
d8e2be90 DD |
753 | #define NETWORK_HAS_ERP_VALUE (1<<10) |
754 | ||
9e8571af JK |
755 | #define QOS_QUEUE_NUM 4 |
756 | #define QOS_OUI_LEN 3 | |
757 | #define QOS_OUI_TYPE 2 | |
758 | #define QOS_ELEMENT_ID 221 | |
759 | #define QOS_OUI_INFO_SUB_TYPE 0 | |
760 | #define QOS_OUI_PARAM_SUB_TYPE 1 | |
761 | #define QOS_VERSION_1 1 | |
762 | #define QOS_AIFSN_MIN_VALUE 2 | |
763 | ||
764 | struct ieee80211_qos_information_element { | |
765 | u8 elementID; | |
766 | u8 length; | |
767 | u8 qui[QOS_OUI_LEN]; | |
768 | u8 qui_type; | |
769 | u8 qui_subtype; | |
770 | u8 version; | |
771 | u8 ac_info; | |
772 | } __attribute__ ((packed)); | |
773 | ||
774 | struct ieee80211_qos_ac_parameter { | |
775 | u8 aci_aifsn; | |
776 | u8 ecw_min_max; | |
cdcfc210 | 777 | __le16 tx_op_limit; |
9e8571af JK |
778 | } __attribute__ ((packed)); |
779 | ||
780 | struct ieee80211_qos_parameter_info { | |
781 | struct ieee80211_qos_information_element info_element; | |
782 | u8 reserved; | |
783 | struct ieee80211_qos_ac_parameter ac_params_record[QOS_QUEUE_NUM]; | |
784 | } __attribute__ ((packed)); | |
785 | ||
786 | struct ieee80211_qos_parameters { | |
cdcfc210 JK |
787 | __le16 cw_min[QOS_QUEUE_NUM]; |
788 | __le16 cw_max[QOS_QUEUE_NUM]; | |
9e8571af JK |
789 | u8 aifs[QOS_QUEUE_NUM]; |
790 | u8 flag[QOS_QUEUE_NUM]; | |
cdcfc210 | 791 | __le16 tx_op_limit[QOS_QUEUE_NUM]; |
9e8571af JK |
792 | } __attribute__ ((packed)); |
793 | ||
794 | struct ieee80211_qos_data { | |
795 | struct ieee80211_qos_parameters parameters; | |
796 | int active; | |
797 | int supported; | |
798 | u8 param_count; | |
799 | u8 old_param_count; | |
800 | }; | |
801 | ||
802 | struct ieee80211_tim_parameters { | |
803 | u8 tim_count; | |
804 | u8 tim_period; | |
805 | } __attribute__ ((packed)); | |
806 | ||
807 | /*******************************************************/ | |
b453872c | 808 | |
b79e20b6 ZY |
809 | enum { /* ieee80211_basic_report.map */ |
810 | IEEE80211_BASIC_MAP_BSS = (1 << 0), | |
811 | IEEE80211_BASIC_MAP_OFDM = (1 << 1), | |
812 | IEEE80211_BASIC_MAP_UNIDENTIFIED = (1 << 2), | |
813 | IEEE80211_BASIC_MAP_RADAR = (1 << 3), | |
814 | IEEE80211_BASIC_MAP_UNMEASURED = (1 << 4), | |
815 | /* Bits 5-7 are reserved */ | |
816 | ||
817 | }; | |
818 | struct ieee80211_basic_report { | |
819 | u8 channel; | |
820 | __le64 start_time; | |
821 | __le16 duration; | |
822 | u8 map; | |
823 | } __attribute__ ((packed)); | |
824 | ||
825 | enum { /* ieee80211_measurement_request.mode */ | |
826 | /* Bit 0 is reserved */ | |
827 | IEEE80211_MEASUREMENT_ENABLE = (1 << 1), | |
828 | IEEE80211_MEASUREMENT_REQUEST = (1 << 2), | |
829 | IEEE80211_MEASUREMENT_REPORT = (1 << 3), | |
830 | /* Bits 4-7 are reserved */ | |
831 | }; | |
832 | ||
833 | enum { | |
834 | IEEE80211_REPORT_BASIC = 0, /* required */ | |
835 | IEEE80211_REPORT_CCA = 1, /* optional */ | |
836 | IEEE80211_REPORT_RPI = 2, /* optional */ | |
837 | /* 3-255 reserved */ | |
838 | }; | |
839 | ||
840 | struct ieee80211_measurement_params { | |
841 | u8 channel; | |
842 | __le64 start_time; | |
843 | __le16 duration; | |
844 | } __attribute__ ((packed)); | |
845 | ||
846 | struct ieee80211_measurement_request { | |
847 | struct ieee80211_info_element ie; | |
848 | u8 token; | |
849 | u8 mode; | |
850 | u8 type; | |
851 | struct ieee80211_measurement_params params[0]; | |
852 | } __attribute__ ((packed)); | |
853 | ||
854 | struct ieee80211_measurement_report { | |
855 | struct ieee80211_info_element ie; | |
856 | u8 token; | |
857 | u8 mode; | |
858 | u8 type; | |
859 | union { | |
860 | struct ieee80211_basic_report basic[0]; | |
861 | } u; | |
862 | } __attribute__ ((packed)); | |
863 | ||
864 | struct ieee80211_tpc_report { | |
865 | u8 transmit_power; | |
866 | u8 link_margin; | |
867 | } __attribute__ ((packed)); | |
868 | ||
869 | struct ieee80211_channel_map { | |
870 | u8 channel; | |
871 | u8 map; | |
872 | } __attribute__ ((packed)); | |
873 | ||
874 | struct ieee80211_ibss_dfs { | |
875 | struct ieee80211_info_element ie; | |
876 | u8 owner[ETH_ALEN]; | |
877 | u8 recovery_interval; | |
878 | struct ieee80211_channel_map channel_map[0]; | |
879 | }; | |
880 | ||
881 | struct ieee80211_csa { | |
882 | u8 mode; | |
883 | u8 channel; | |
884 | u8 count; | |
885 | } __attribute__ ((packed)); | |
886 | ||
887 | struct ieee80211_quiet { | |
888 | u8 count; | |
889 | u8 period; | |
890 | u8 duration; | |
891 | u8 offset; | |
892 | } __attribute__ ((packed)); | |
893 | ||
b453872c JG |
894 | struct ieee80211_network { |
895 | /* These entries are used to identify a unique network */ | |
896 | u8 bssid[ETH_ALEN]; | |
897 | u8 channel; | |
898 | /* Ensure null-terminated for any debug msgs */ | |
899 | u8 ssid[IW_ESSID_MAX_SIZE + 1]; | |
900 | u8 ssid_len; | |
901 | ||
9e8571af JK |
902 | struct ieee80211_qos_data qos_data; |
903 | ||
b453872c JG |
904 | /* These are network statistics */ |
905 | struct ieee80211_rx_stats stats; | |
906 | u16 capability; | |
907 | u8 rates[MAX_RATES_LENGTH]; | |
908 | u8 rates_len; | |
909 | u8 rates_ex[MAX_RATES_EX_LENGTH]; | |
910 | u8 rates_ex_len; | |
911 | unsigned long last_scanned; | |
912 | u8 mode; | |
b79e20b6 | 913 | u32 flags; |
b453872c JG |
914 | u32 last_associate; |
915 | u32 time_stamp[2]; | |
916 | u16 beacon_interval; | |
917 | u16 listen_interval; | |
918 | u16 atim_window; | |
42c94e43 | 919 | u8 erp_value; |
b453872c JG |
920 | u8 wpa_ie[MAX_WPA_IE_LEN]; |
921 | size_t wpa_ie_len; | |
922 | u8 rsn_ie[MAX_WPA_IE_LEN]; | |
923 | size_t rsn_ie_len; | |
9e8571af | 924 | struct ieee80211_tim_parameters tim; |
b79e20b6 ZY |
925 | |
926 | /* 802.11h info */ | |
927 | ||
928 | /* Power Constraint - mandatory if spctrm mgmt required */ | |
929 | u8 power_constraint; | |
930 | ||
931 | /* TPC Report - mandatory if spctrm mgmt required */ | |
932 | struct ieee80211_tpc_report tpc_report; | |
933 | ||
934 | /* IBSS DFS - mandatory if spctrm mgmt required and IBSS | |
935 | * NOTE: This is variable length and so must be allocated dynamically */ | |
936 | struct ieee80211_ibss_dfs *ibss_dfs; | |
937 | ||
938 | /* Channel Switch Announcement - optional if spctrm mgmt required */ | |
939 | struct ieee80211_csa csa; | |
940 | ||
941 | /* Quiet - optional if spctrm mgmt required */ | |
942 | struct ieee80211_quiet quiet; | |
943 | ||
b453872c JG |
944 | struct list_head list; |
945 | }; | |
946 | ||
947 | enum ieee80211_state { | |
948 | IEEE80211_UNINITIALIZED = 0, | |
949 | IEEE80211_INITIALIZED, | |
950 | IEEE80211_ASSOCIATING, | |
951 | IEEE80211_ASSOCIATED, | |
952 | IEEE80211_AUTHENTICATING, | |
953 | IEEE80211_AUTHENTICATED, | |
954 | IEEE80211_SHUTDOWN | |
955 | }; | |
956 | ||
957 | #define DEFAULT_MAX_SCAN_AGE (15 * HZ) | |
958 | #define DEFAULT_FTS 2346 | |
b453872c | 959 | |
b453872c JG |
960 | #define CFG_IEEE80211_RESERVE_FCS (1<<0) |
961 | #define CFG_IEEE80211_COMPUTE_FCS (1<<1) | |
3cdd00c5 | 962 | #define CFG_IEEE80211_RTS (1<<2) |
b453872c | 963 | |
02cda6ae JK |
964 | #define IEEE80211_24GHZ_MIN_CHANNEL 1 |
965 | #define IEEE80211_24GHZ_MAX_CHANNEL 14 | |
f21709d7 JD |
966 | #define IEEE80211_24GHZ_CHANNELS (IEEE80211_24GHZ_MAX_CHANNEL - \ |
967 | IEEE80211_24GHZ_MIN_CHANNEL + 1) | |
02cda6ae | 968 | |
4a99ac3a | 969 | #define IEEE80211_52GHZ_MIN_CHANNEL 34 |
02cda6ae | 970 | #define IEEE80211_52GHZ_MAX_CHANNEL 165 |
f21709d7 JD |
971 | #define IEEE80211_52GHZ_CHANNELS (IEEE80211_52GHZ_MAX_CHANNEL - \ |
972 | IEEE80211_52GHZ_MIN_CHANNEL + 1) | |
02cda6ae JK |
973 | |
974 | enum { | |
975 | IEEE80211_CH_PASSIVE_ONLY = (1 << 0), | |
74f49033 | 976 | IEEE80211_CH_80211H_RULES = (1 << 1), |
02cda6ae JK |
977 | IEEE80211_CH_B_ONLY = (1 << 2), |
978 | IEEE80211_CH_NO_IBSS = (1 << 3), | |
979 | IEEE80211_CH_UNIFORM_SPREADING = (1 << 4), | |
980 | IEEE80211_CH_RADAR_DETECT = (1 << 5), | |
981 | IEEE80211_CH_INVALID = (1 << 6), | |
982 | }; | |
983 | ||
984 | struct ieee80211_channel { | |
74f49033 | 985 | u32 freq; /* in MHz */ |
02cda6ae JK |
986 | u8 channel; |
987 | u8 flags; | |
74f49033 | 988 | u8 max_power; /* in dBm */ |
02cda6ae JK |
989 | }; |
990 | ||
991 | struct ieee80211_geo { | |
992 | u8 name[4]; | |
993 | u8 bg_channels; | |
994 | u8 a_channels; | |
995 | struct ieee80211_channel bg[IEEE80211_24GHZ_CHANNELS]; | |
996 | struct ieee80211_channel a[IEEE80211_52GHZ_CHANNELS]; | |
997 | }; | |
998 | ||
b453872c JG |
999 | struct ieee80211_device { |
1000 | struct net_device *dev; | |
f1bf6638 | 1001 | struct ieee80211_security sec; |
b453872c JG |
1002 | |
1003 | /* Bookkeeping structures */ | |
1004 | struct net_device_stats stats; | |
1005 | struct ieee80211_stats ieee_stats; | |
1006 | ||
02cda6ae JK |
1007 | struct ieee80211_geo geo; |
1008 | ||
b453872c JG |
1009 | /* Probe / Beacon management */ |
1010 | struct list_head network_free_list; | |
1011 | struct list_head network_list; | |
1012 | struct ieee80211_network *networks; | |
1013 | int scans; | |
1014 | int scan_age; | |
1015 | ||
74079fdc JK |
1016 | int iw_mode; /* operating mode (IW_MODE_*) */ |
1017 | struct iw_spy_data spy_data; /* iwspy support */ | |
b453872c JG |
1018 | |
1019 | spinlock_t lock; | |
1020 | ||
74079fdc JK |
1021 | int tx_headroom; /* Set to size of any additional room needed at front |
1022 | * of allocated Tx SKBs */ | |
b453872c JG |
1023 | u32 config; |
1024 | ||
1025 | /* WEP and other encryption related settings at the device level */ | |
74079fdc | 1026 | int open_wep; /* Set to 1 to allow unencrypted frames */ |
b453872c | 1027 | |
74079fdc | 1028 | int reset_on_keychange; /* Set to 1 if the HW needs to be reset on |
b453872c JG |
1029 | * WEP key changes */ |
1030 | ||
1031 | /* If the host performs {en,de}cryption, then set to 1 */ | |
1032 | int host_encrypt; | |
1264fc04 | 1033 | int host_encrypt_msdu; |
b453872c | 1034 | int host_decrypt; |
ccd0fda3 JK |
1035 | /* host performs multicast decryption */ |
1036 | int host_mc_decrypt; | |
1037 | ||
c9308b06 DD |
1038 | /* host should strip IV and ICV from protected frames */ |
1039 | /* meaningful only when hardware decryption is being used */ | |
1040 | int host_strip_iv_icv; | |
1041 | ||
1264fc04 | 1042 | int host_open_frag; |
31b59eae | 1043 | int host_build_iv; |
74079fdc | 1044 | int ieee802_1x; /* is IEEE 802.1X used */ |
b453872c JG |
1045 | |
1046 | /* WPA data */ | |
1047 | int wpa_enabled; | |
1048 | int drop_unencrypted; | |
b453872c JG |
1049 | int privacy_invoked; |
1050 | size_t wpa_ie_len; | |
1051 | u8 *wpa_ie; | |
1052 | ||
1053 | struct list_head crypt_deinit_list; | |
1054 | struct ieee80211_crypt_data *crypt[WEP_KEYS]; | |
74079fdc | 1055 | int tx_keyidx; /* default TX key index (crypt[tx_keyidx]) */ |
b453872c | 1056 | struct timer_list crypt_deinit_timer; |
0ad0c3c6 | 1057 | int crypt_quiesced; |
b453872c | 1058 | |
74079fdc JK |
1059 | int bcrx_sta_key; /* use individual keys to override default keys even |
1060 | * with RX of broad/multicast frames */ | |
b453872c JG |
1061 | |
1062 | /* Fragmentation structures */ | |
1063 | struct ieee80211_frag_entry frag_cache[IEEE80211_FRAG_CACHE_LEN]; | |
1064 | unsigned int frag_next_idx; | |
74079fdc | 1065 | u16 fts; /* Fragmentation Threshold */ |
3cdd00c5 | 1066 | u16 rts; /* RTS threshold */ |
b453872c JG |
1067 | |
1068 | /* Association info */ | |
1069 | u8 bssid[ETH_ALEN]; | |
1070 | ||
1071 | enum ieee80211_state state; | |
1072 | ||
74079fdc JK |
1073 | int mode; /* A, B, G */ |
1074 | int modulation; /* CCK, OFDM */ | |
1075 | int freq_band; /* 2.4Ghz, 5.2Ghz, Mixed */ | |
3bc5ed68 | 1076 | int abg_true; /* ABG flag */ |
b453872c | 1077 | |
b1b508e1 JK |
1078 | int perfect_rssi; |
1079 | int worst_rssi; | |
1080 | ||
837925df LF |
1081 | u16 prev_seq_ctl; /* used to drop duplicate frames */ |
1082 | ||
b453872c | 1083 | /* Callback functions */ |
74079fdc JK |
1084 | void (*set_security) (struct net_device * dev, |
1085 | struct ieee80211_security * sec); | |
1086 | int (*hard_start_xmit) (struct ieee80211_txb * txb, | |
9e8571af | 1087 | struct net_device * dev, int pri); |
74079fdc | 1088 | int (*reset_port) (struct net_device * dev); |
3f552bbf JK |
1089 | int (*is_queue_full) (struct net_device * dev, int pri); |
1090 | ||
9e8571af JK |
1091 | int (*handle_management) (struct net_device * dev, |
1092 | struct ieee80211_network * network, u16 type); | |
73858062 | 1093 | int (*is_qos_active) (struct net_device *dev, struct sk_buff *skb); |
9e8571af | 1094 | |
3f552bbf JK |
1095 | /* Typical STA methods */ |
1096 | int (*handle_auth) (struct net_device * dev, | |
1097 | struct ieee80211_auth * auth); | |
31b59eae | 1098 | int (*handle_deauth) (struct net_device * dev, |
b79e20b6 ZY |
1099 | struct ieee80211_deauth * auth); |
1100 | int (*handle_action) (struct net_device * dev, | |
1101 | struct ieee80211_action * action, | |
1102 | struct ieee80211_rx_stats * stats); | |
3f552bbf JK |
1103 | int (*handle_disassoc) (struct net_device * dev, |
1104 | struct ieee80211_disassoc * assoc); | |
1105 | int (*handle_beacon) (struct net_device * dev, | |
1106 | struct ieee80211_beacon * beacon, | |
1107 | struct ieee80211_network * network); | |
1108 | int (*handle_probe_response) (struct net_device * dev, | |
1109 | struct ieee80211_probe_response * resp, | |
1110 | struct ieee80211_network * network); | |
42c94e43 JK |
1111 | int (*handle_probe_request) (struct net_device * dev, |
1112 | struct ieee80211_probe_request * req, | |
1113 | struct ieee80211_rx_stats * stats); | |
3f552bbf JK |
1114 | int (*handle_assoc_response) (struct net_device * dev, |
1115 | struct ieee80211_assoc_response * resp, | |
1116 | struct ieee80211_network * network); | |
1117 | ||
1118 | /* Typical AP methods */ | |
1119 | int (*handle_assoc_request) (struct net_device * dev); | |
1120 | int (*handle_reassoc_request) (struct net_device * dev, | |
1121 | struct ieee80211_reassoc_request * req); | |
b453872c JG |
1122 | |
1123 | /* This must be the last item so that it points to the data | |
1124 | * allocated beyond this structure by alloc_ieee80211 */ | |
1125 | u8 priv[0]; | |
1126 | }; | |
1127 | ||
1128 | #define IEEE_A (1<<0) | |
1129 | #define IEEE_B (1<<1) | |
1130 | #define IEEE_G (1<<2) | |
1131 | #define IEEE_MODE_MASK (IEEE_A|IEEE_B|IEEE_G) | |
1132 | ||
9ba7e0d1 | 1133 | static inline void *ieee80211_priv(struct net_device *dev) |
b453872c JG |
1134 | { |
1135 | return ((struct ieee80211_device *)netdev_priv(dev))->priv; | |
1136 | } | |
1137 | ||
9ba7e0d1 | 1138 | static inline int ieee80211_is_empty_essid(const char *essid, int essid_len) |
b453872c JG |
1139 | { |
1140 | /* Single white space is for Linksys APs */ | |
1141 | if (essid_len == 1 && essid[0] == ' ') | |
1142 | return 1; | |
1143 | ||
1144 | /* Otherwise, if the entire essid is 0, we assume it is hidden */ | |
1145 | while (essid_len) { | |
1146 | essid_len--; | |
1147 | if (essid[essid_len] != '\0') | |
1148 | return 0; | |
1149 | } | |
1150 | ||
1151 | return 1; | |
1152 | } | |
1153 | ||
9ba7e0d1 | 1154 | static inline int ieee80211_is_valid_mode(struct ieee80211_device *ieee, |
74079fdc | 1155 | int mode) |
b453872c JG |
1156 | { |
1157 | /* | |
1158 | * It is possible for both access points and our device to support | |
1159 | * combinations of modes, so as long as there is one valid combination | |
1160 | * of ap/device supported modes, then return success | |
1161 | * | |
1162 | */ | |
1163 | if ((mode & IEEE_A) && | |
1164 | (ieee->modulation & IEEE80211_OFDM_MODULATION) && | |
1165 | (ieee->freq_band & IEEE80211_52GHZ_BAND)) | |
1166 | return 1; | |
1167 | ||
1168 | if ((mode & IEEE_G) && | |
1169 | (ieee->modulation & IEEE80211_OFDM_MODULATION) && | |
1170 | (ieee->freq_band & IEEE80211_24GHZ_BAND)) | |
1171 | return 1; | |
1172 | ||
1173 | if ((mode & IEEE_B) && | |
1174 | (ieee->modulation & IEEE80211_CCK_MODULATION) && | |
1175 | (ieee->freq_band & IEEE80211_24GHZ_BAND)) | |
1176 | return 1; | |
1177 | ||
1178 | return 0; | |
1179 | } | |
1180 | ||
9ba7e0d1 | 1181 | static inline int ieee80211_get_hdrlen(u16 fc) |
b453872c | 1182 | { |
286d9747 | 1183 | int hdrlen = IEEE80211_3ADDR_LEN; |
9e8571af | 1184 | u16 stype = WLAN_FC_GET_STYPE(fc); |
b453872c JG |
1185 | |
1186 | switch (WLAN_FC_GET_TYPE(fc)) { | |
1187 | case IEEE80211_FTYPE_DATA: | |
1188 | if ((fc & IEEE80211_FCTL_FROMDS) && (fc & IEEE80211_FCTL_TODS)) | |
286d9747 | 1189 | hdrlen = IEEE80211_4ADDR_LEN; |
9e8571af JK |
1190 | if (stype & IEEE80211_STYPE_QOS_DATA) |
1191 | hdrlen += 2; | |
b453872c JG |
1192 | break; |
1193 | case IEEE80211_FTYPE_CTL: | |
1194 | switch (WLAN_FC_GET_STYPE(fc)) { | |
1195 | case IEEE80211_STYPE_CTS: | |
1196 | case IEEE80211_STYPE_ACK: | |
286d9747 | 1197 | hdrlen = IEEE80211_1ADDR_LEN; |
b453872c JG |
1198 | break; |
1199 | default: | |
286d9747 | 1200 | hdrlen = IEEE80211_2ADDR_LEN; |
b453872c JG |
1201 | break; |
1202 | } | |
1203 | break; | |
1204 | } | |
1205 | ||
1206 | return hdrlen; | |
1207 | } | |
1208 | ||
9ba7e0d1 | 1209 | static inline u8 *ieee80211_get_payload(struct ieee80211_hdr *hdr) |
ee34af37 JK |
1210 | { |
1211 | switch (ieee80211_get_hdrlen(le16_to_cpu(hdr->frame_ctl))) { | |
1212 | case IEEE80211_1ADDR_LEN: | |
1213 | return ((struct ieee80211_hdr_1addr *)hdr)->payload; | |
1214 | case IEEE80211_2ADDR_LEN: | |
1215 | return ((struct ieee80211_hdr_2addr *)hdr)->payload; | |
1216 | case IEEE80211_3ADDR_LEN: | |
1217 | return ((struct ieee80211_hdr_3addr *)hdr)->payload; | |
1218 | case IEEE80211_4ADDR_LEN: | |
1219 | return ((struct ieee80211_hdr_4addr *)hdr)->payload; | |
1220 | } | |
cea00da3 | 1221 | return NULL; |
ee34af37 JK |
1222 | } |
1223 | ||
7c254d3d ID |
1224 | static inline int ieee80211_is_ofdm_rate(u8 rate) |
1225 | { | |
1226 | switch (rate & ~IEEE80211_BASIC_RATE_MASK) { | |
1227 | case IEEE80211_OFDM_RATE_6MB: | |
1228 | case IEEE80211_OFDM_RATE_9MB: | |
1229 | case IEEE80211_OFDM_RATE_12MB: | |
1230 | case IEEE80211_OFDM_RATE_18MB: | |
1231 | case IEEE80211_OFDM_RATE_24MB: | |
1232 | case IEEE80211_OFDM_RATE_36MB: | |
1233 | case IEEE80211_OFDM_RATE_48MB: | |
1234 | case IEEE80211_OFDM_RATE_54MB: | |
1235 | return 1; | |
1236 | } | |
1237 | return 0; | |
1238 | } | |
1239 | ||
1240 | static inline int ieee80211_is_cck_rate(u8 rate) | |
1241 | { | |
1242 | switch (rate & ~IEEE80211_BASIC_RATE_MASK) { | |
1243 | case IEEE80211_CCK_RATE_1MB: | |
1244 | case IEEE80211_CCK_RATE_2MB: | |
1245 | case IEEE80211_CCK_RATE_5MB: | |
1246 | case IEEE80211_CCK_RATE_11MB: | |
1247 | return 1; | |
1248 | } | |
1249 | return 0; | |
1250 | } | |
1251 | ||
b453872c JG |
1252 | /* ieee80211.c */ |
1253 | extern void free_ieee80211(struct net_device *dev); | |
1254 | extern struct net_device *alloc_ieee80211(int sizeof_priv); | |
1255 | ||
1256 | extern int ieee80211_set_encryption(struct ieee80211_device *ieee); | |
1257 | ||
1258 | /* ieee80211_tx.c */ | |
74079fdc | 1259 | extern int ieee80211_xmit(struct sk_buff *skb, struct net_device *dev); |
b453872c JG |
1260 | extern void ieee80211_txb_free(struct ieee80211_txb *); |
1261 | ||
b453872c | 1262 | /* ieee80211_rx.c */ |
f2060f03 DD |
1263 | extern void ieee80211_rx_any(struct ieee80211_device *ieee, |
1264 | struct sk_buff *skb, struct ieee80211_rx_stats *stats); | |
b453872c JG |
1265 | extern int ieee80211_rx(struct ieee80211_device *ieee, struct sk_buff *skb, |
1266 | struct ieee80211_rx_stats *rx_stats); | |
c9fa7d5d | 1267 | /* make sure to set stats->len */ |
b453872c | 1268 | extern void ieee80211_rx_mgt(struct ieee80211_device *ieee, |
ee34af37 | 1269 | struct ieee80211_hdr_4addr *header, |
b453872c | 1270 | struct ieee80211_rx_stats *stats); |
b79e20b6 | 1271 | extern void ieee80211_network_reset(struct ieee80211_network *network); |
b453872c | 1272 | |
02cda6ae JK |
1273 | /* ieee80211_geo.c */ |
1274 | extern const struct ieee80211_geo *ieee80211_get_geo(struct ieee80211_device | |
1275 | *ieee); | |
1276 | extern int ieee80211_set_geo(struct ieee80211_device *ieee, | |
1277 | const struct ieee80211_geo *geo); | |
1278 | ||
1279 | extern int ieee80211_is_valid_channel(struct ieee80211_device *ieee, | |
1280 | u8 channel); | |
1281 | extern int ieee80211_channel_to_index(struct ieee80211_device *ieee, | |
1282 | u8 channel); | |
1283 | extern u8 ieee80211_freq_to_channel(struct ieee80211_device *ieee, u32 freq); | |
b79e20b6 ZY |
1284 | extern u8 ieee80211_get_channel_flags(struct ieee80211_device *ieee, |
1285 | u8 channel); | |
1286 | extern const struct ieee80211_channel *ieee80211_get_channel(struct | |
1287 | ieee80211_device | |
1288 | *ieee, u8 channel); | |
f5cdf306 LF |
1289 | extern u32 ieee80211_channel_to_freq(struct ieee80211_device * ieee, |
1290 | u8 channel); | |
02cda6ae | 1291 | |
099c5bb1 | 1292 | /* ieee80211_wx.c */ |
b453872c JG |
1293 | extern int ieee80211_wx_get_scan(struct ieee80211_device *ieee, |
1294 | struct iw_request_info *info, | |
1295 | union iwreq_data *wrqu, char *key); | |
1296 | extern int ieee80211_wx_set_encode(struct ieee80211_device *ieee, | |
1297 | struct iw_request_info *info, | |
1298 | union iwreq_data *wrqu, char *key); | |
1299 | extern int ieee80211_wx_get_encode(struct ieee80211_device *ieee, | |
1300 | struct iw_request_info *info, | |
1301 | union iwreq_data *wrqu, char *key); | |
e0d369d1 JK |
1302 | extern int ieee80211_wx_set_encodeext(struct ieee80211_device *ieee, |
1303 | struct iw_request_info *info, | |
1304 | union iwreq_data *wrqu, char *extra); | |
1305 | extern int ieee80211_wx_get_encodeext(struct ieee80211_device *ieee, | |
1306 | struct iw_request_info *info, | |
1307 | union iwreq_data *wrqu, char *extra); | |
b453872c | 1308 | |
9ba7e0d1 | 1309 | static inline void ieee80211_increment_scans(struct ieee80211_device *ieee) |
b453872c JG |
1310 | { |
1311 | ieee->scans++; | |
1312 | } | |
1313 | ||
9ba7e0d1 | 1314 | static inline int ieee80211_get_scans(struct ieee80211_device *ieee) |
b453872c JG |
1315 | { |
1316 | return ieee->scans; | |
1317 | } | |
1318 | ||
74079fdc | 1319 | #endif /* IEEE80211_H */ |