Commit | Line | Data |
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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> |
72118015 | 31 | #include <linux/ieee80211.h> |
b453872c | 32 | |
274bfb8d JL |
33 | #include <net/lib80211.h> |
34 | ||
45a62ab3 | 35 | #define IEEE80211_VERSION "git-1.1.13" |
31696160 | 36 | |
b453872c JG |
37 | #define IEEE80211_DATA_LEN 2304 |
38 | /* Maximum size for the MA-UNITDATA primitive, 802.11 standard section | |
39 | 6.2.1.1.2. | |
40 | ||
41 | The figure in section 7.1.2 suggests a body size of up to 2312 | |
42 | bytes is allowed, which is a bit confusing, I suspect this | |
43 | represents the 2304 bytes of real data, plus a possible 8 bytes of | |
44 | WEP IV and ICV. (this interpretation suggested by Ramiro Barreiro) */ | |
45 | ||
286d9747 JB |
46 | #define IEEE80211_1ADDR_LEN 10 |
47 | #define IEEE80211_2ADDR_LEN 16 | |
b453872c JG |
48 | #define IEEE80211_3ADDR_LEN 24 |
49 | #define IEEE80211_4ADDR_LEN 30 | |
50 | #define IEEE80211_FCS_LEN 4 | |
ee34af37 JK |
51 | #define IEEE80211_HLEN (IEEE80211_4ADDR_LEN) |
52 | #define IEEE80211_FRAME_LEN (IEEE80211_DATA_LEN + IEEE80211_HLEN) | |
b453872c JG |
53 | |
54 | #define MIN_FRAG_THRESHOLD 256U | |
55 | #define MAX_FRAG_THRESHOLD 2346U | |
56 | ||
57 | /* Frame control field constants */ | |
f241be74 | 58 | #define IEEE80211_FCTL_VERS 0x0003 |
b453872c JG |
59 | #define IEEE80211_FCTL_FTYPE 0x000c |
60 | #define IEEE80211_FCTL_STYPE 0x00f0 | |
61 | #define IEEE80211_FCTL_TODS 0x0100 | |
62 | #define IEEE80211_FCTL_FROMDS 0x0200 | |
63 | #define IEEE80211_FCTL_MOREFRAGS 0x0400 | |
64 | #define IEEE80211_FCTL_RETRY 0x0800 | |
65 | #define IEEE80211_FCTL_PM 0x1000 | |
f13baae4 JB |
66 | #define IEEE80211_FCTL_MOREDATA 0x2000 |
67 | #define IEEE80211_FCTL_PROTECTED 0x4000 | |
b453872c JG |
68 | #define IEEE80211_FCTL_ORDER 0x8000 |
69 | ||
70 | #define IEEE80211_FTYPE_MGMT 0x0000 | |
71 | #define IEEE80211_FTYPE_CTL 0x0004 | |
72 | #define IEEE80211_FTYPE_DATA 0x0008 | |
73 | ||
74 | /* management */ | |
75 | #define IEEE80211_STYPE_ASSOC_REQ 0x0000 | |
76 | #define IEEE80211_STYPE_ASSOC_RESP 0x0010 | |
77 | #define IEEE80211_STYPE_REASSOC_REQ 0x0020 | |
78 | #define IEEE80211_STYPE_REASSOC_RESP 0x0030 | |
79 | #define IEEE80211_STYPE_PROBE_REQ 0x0040 | |
80 | #define IEEE80211_STYPE_PROBE_RESP 0x0050 | |
81 | #define IEEE80211_STYPE_BEACON 0x0080 | |
82 | #define IEEE80211_STYPE_ATIM 0x0090 | |
83 | #define IEEE80211_STYPE_DISASSOC 0x00A0 | |
84 | #define IEEE80211_STYPE_AUTH 0x00B0 | |
85 | #define IEEE80211_STYPE_DEAUTH 0x00C0 | |
f13baae4 | 86 | #define IEEE80211_STYPE_ACTION 0x00D0 |
b453872c JG |
87 | |
88 | /* control */ | |
89 | #define IEEE80211_STYPE_PSPOLL 0x00A0 | |
90 | #define IEEE80211_STYPE_RTS 0x00B0 | |
91 | #define IEEE80211_STYPE_CTS 0x00C0 | |
92 | #define IEEE80211_STYPE_ACK 0x00D0 | |
93 | #define IEEE80211_STYPE_CFEND 0x00E0 | |
94 | #define IEEE80211_STYPE_CFENDACK 0x00F0 | |
95 | ||
96 | /* data */ | |
97 | #define IEEE80211_STYPE_DATA 0x0000 | |
98 | #define IEEE80211_STYPE_DATA_CFACK 0x0010 | |
99 | #define IEEE80211_STYPE_DATA_CFPOLL 0x0020 | |
100 | #define IEEE80211_STYPE_DATA_CFACKPOLL 0x0030 | |
101 | #define IEEE80211_STYPE_NULLFUNC 0x0040 | |
102 | #define IEEE80211_STYPE_CFACK 0x0050 | |
103 | #define IEEE80211_STYPE_CFPOLL 0x0060 | |
104 | #define IEEE80211_STYPE_CFACKPOLL 0x0070 | |
9e8571af | 105 | #define IEEE80211_STYPE_QOS_DATA 0x0080 |
b453872c JG |
106 | |
107 | #define IEEE80211_SCTL_FRAG 0x000F | |
108 | #define IEEE80211_SCTL_SEQ 0xFFF0 | |
109 | ||
ea284152 ZY |
110 | /* QOS control */ |
111 | #define IEEE80211_QCTL_TID 0x000F | |
112 | ||
b453872c JG |
113 | /* debug macros */ |
114 | ||
115 | #ifdef CONFIG_IEEE80211_DEBUG | |
116 | extern u32 ieee80211_debug_level; | |
117 | #define IEEE80211_DEBUG(level, fmt, args...) \ | |
118 | do { if (ieee80211_debug_level & (level)) \ | |
119 | printk(KERN_DEBUG "ieee80211: %c %s " fmt, \ | |
d5c003b4 | 120 | in_interrupt() ? 'I' : 'U', __func__ , ## args); } while (0) |
92468c53 GC |
121 | static inline bool ieee80211_ratelimit_debug(u32 level) |
122 | { | |
123 | return (ieee80211_debug_level & level) && net_ratelimit(); | |
124 | } | |
b453872c JG |
125 | #else |
126 | #define IEEE80211_DEBUG(level, fmt, args...) do {} while (0) | |
92468c53 GC |
127 | static inline bool ieee80211_ratelimit_debug(u32 level) |
128 | { | |
129 | return false; | |
130 | } | |
74079fdc | 131 | #endif /* CONFIG_IEEE80211_DEBUG */ |
e88187ee | 132 | |
b453872c | 133 | /* |
e88187ee | 134 | * To use the debug system: |
b453872c JG |
135 | * |
136 | * If you are defining a new debug classification, simply add it to the #define | |
137 | * list here in the form of: | |
138 | * | |
139 | * #define IEEE80211_DL_xxxx VALUE | |
140 | * | |
141 | * shifting value to the left one bit from the previous entry. xxxx should be | |
142 | * the name of the classification (for example, WEP) | |
143 | * | |
144 | * You then need to either add a IEEE80211_xxxx_DEBUG() macro definition for your | |
145 | * classification, or use IEEE80211_DEBUG(IEEE80211_DL_xxxx, ...) whenever you want | |
146 | * to send output to that classification. | |
147 | * | |
148 | * To add your debug level to the list of levels seen when you perform | |
149 | * | |
91cb70c1 | 150 | * % cat /proc/net/ieee80211/debug_level |
b453872c | 151 | * |
91cb70c1 | 152 | * you simply need to add your entry to the ieee80211_debug_level array. |
b453872c | 153 | * |
91cb70c1 | 154 | * If you do not see debug_level in /proc/net/ieee80211 then you do not have |
b453872c JG |
155 | * CONFIG_IEEE80211_DEBUG defined in your kernel configuration |
156 | * | |
157 | */ | |
158 | ||
159 | #define IEEE80211_DL_INFO (1<<0) | |
160 | #define IEEE80211_DL_WX (1<<1) | |
161 | #define IEEE80211_DL_SCAN (1<<2) | |
162 | #define IEEE80211_DL_STATE (1<<3) | |
163 | #define IEEE80211_DL_MGMT (1<<4) | |
164 | #define IEEE80211_DL_FRAG (1<<5) | |
b453872c JG |
165 | #define IEEE80211_DL_DROP (1<<7) |
166 | ||
167 | #define IEEE80211_DL_TX (1<<8) | |
168 | #define IEEE80211_DL_RX (1<<9) | |
9e8571af | 169 | #define IEEE80211_DL_QOS (1<<31) |
b453872c JG |
170 | |
171 | #define IEEE80211_ERROR(f, a...) printk(KERN_ERR "ieee80211: " f, ## a) | |
172 | #define IEEE80211_WARNING(f, a...) printk(KERN_WARNING "ieee80211: " f, ## a) | |
173 | #define IEEE80211_DEBUG_INFO(f, a...) IEEE80211_DEBUG(IEEE80211_DL_INFO, f, ## a) | |
174 | ||
175 | #define IEEE80211_DEBUG_WX(f, a...) IEEE80211_DEBUG(IEEE80211_DL_WX, f, ## a) | |
176 | #define IEEE80211_DEBUG_SCAN(f, a...) IEEE80211_DEBUG(IEEE80211_DL_SCAN, f, ## a) | |
177 | #define IEEE80211_DEBUG_STATE(f, a...) IEEE80211_DEBUG(IEEE80211_DL_STATE, f, ## a) | |
178 | #define IEEE80211_DEBUG_MGMT(f, a...) IEEE80211_DEBUG(IEEE80211_DL_MGMT, f, ## a) | |
179 | #define IEEE80211_DEBUG_FRAG(f, a...) IEEE80211_DEBUG(IEEE80211_DL_FRAG, f, ## a) | |
b453872c JG |
180 | #define IEEE80211_DEBUG_DROP(f, a...) IEEE80211_DEBUG(IEEE80211_DL_DROP, f, ## a) |
181 | #define IEEE80211_DEBUG_TX(f, a...) IEEE80211_DEBUG(IEEE80211_DL_TX, f, ## a) | |
182 | #define IEEE80211_DEBUG_RX(f, a...) IEEE80211_DEBUG(IEEE80211_DL_RX, f, ## a) | |
9e8571af | 183 | #define IEEE80211_DEBUG_QOS(f, a...) IEEE80211_DEBUG(IEEE80211_DL_QOS, f, ## a) |
b453872c | 184 | #include <linux/netdevice.h> |
74079fdc | 185 | #include <linux/if_arp.h> /* ARPHRD_ETHER */ |
b453872c JG |
186 | |
187 | #ifndef WIRELESS_SPY | |
099c5bb1 | 188 | #define WIRELESS_SPY /* enable iwspy support */ |
b453872c | 189 | #endif |
099c5bb1 | 190 | #include <net/iw_handler.h> /* new driver API */ |
b453872c | 191 | |
74079fdc | 192 | #define ETH_P_PREAUTH 0x88C7 /* IEEE 802.11i pre-authentication */ |
b453872c JG |
193 | |
194 | #ifndef ETH_P_80211_RAW | |
195 | #define ETH_P_80211_RAW (ETH_P_ECONET + 1) | |
196 | #endif | |
197 | ||
198 | /* IEEE 802.11 defines */ | |
199 | ||
200 | #define P80211_OUI_LEN 3 | |
201 | ||
202 | struct ieee80211_snap_hdr { | |
203 | ||
74079fdc JK |
204 | u8 dsap; /* always 0xAA */ |
205 | u8 ssap; /* always 0xAA */ | |
206 | u8 ctrl; /* always 0x03 */ | |
207 | u8 oui[P80211_OUI_LEN]; /* organizational universal id */ | |
b453872c JG |
208 | |
209 | } __attribute__ ((packed)); | |
210 | ||
211 | #define SNAP_SIZE sizeof(struct ieee80211_snap_hdr) | |
212 | ||
f13baae4 | 213 | #define WLAN_FC_GET_VERS(fc) ((fc) & IEEE80211_FCTL_VERS) |
b453872c JG |
214 | #define WLAN_FC_GET_TYPE(fc) ((fc) & IEEE80211_FCTL_FTYPE) |
215 | #define WLAN_FC_GET_STYPE(fc) ((fc) & IEEE80211_FCTL_STYPE) | |
216 | ||
217 | #define WLAN_GET_SEQ_FRAG(seq) ((seq) & IEEE80211_SCTL_FRAG) | |
3eb54605 | 218 | #define WLAN_GET_SEQ_SEQ(seq) (((seq) & IEEE80211_SCTL_SEQ) >> 4) |
b453872c | 219 | |
b79e20b6 ZY |
220 | /* Action categories - 802.11h */ |
221 | enum ieee80211_actioncategories { | |
222 | WLAN_ACTION_SPECTRUM_MGMT = 0, | |
223 | /* Reserved 1-127 */ | |
224 | /* Error 128-255 */ | |
225 | }; | |
226 | ||
227 | /* Action details - 802.11h */ | |
228 | enum ieee80211_actiondetails { | |
229 | WLAN_ACTION_CATEGORY_MEASURE_REQUEST = 0, | |
230 | WLAN_ACTION_CATEGORY_MEASURE_REPORT = 1, | |
231 | WLAN_ACTION_CATEGORY_TPC_REQUEST = 2, | |
232 | WLAN_ACTION_CATEGORY_TPC_REPORT = 3, | |
233 | WLAN_ACTION_CATEGORY_CHANNEL_SWITCH = 4, | |
234 | /* 5 - 255 Reserved */ | |
235 | }; | |
236 | ||
b453872c JG |
237 | #define IEEE80211_STATMASK_SIGNAL (1<<0) |
238 | #define IEEE80211_STATMASK_RSSI (1<<1) | |
239 | #define IEEE80211_STATMASK_NOISE (1<<2) | |
240 | #define IEEE80211_STATMASK_RATE (1<<3) | |
241 | #define IEEE80211_STATMASK_WEMASK 0x7 | |
242 | ||
b453872c JG |
243 | #define IEEE80211_CCK_MODULATION (1<<0) |
244 | #define IEEE80211_OFDM_MODULATION (1<<1) | |
245 | ||
246 | #define IEEE80211_24GHZ_BAND (1<<0) | |
247 | #define IEEE80211_52GHZ_BAND (1<<1) | |
248 | ||
249 | #define IEEE80211_CCK_RATE_1MB 0x02 | |
250 | #define IEEE80211_CCK_RATE_2MB 0x04 | |
251 | #define IEEE80211_CCK_RATE_5MB 0x0B | |
252 | #define IEEE80211_CCK_RATE_11MB 0x16 | |
253 | #define IEEE80211_OFDM_RATE_6MB 0x0C | |
254 | #define IEEE80211_OFDM_RATE_9MB 0x12 | |
255 | #define IEEE80211_OFDM_RATE_12MB 0x18 | |
256 | #define IEEE80211_OFDM_RATE_18MB 0x24 | |
257 | #define IEEE80211_OFDM_RATE_24MB 0x30 | |
258 | #define IEEE80211_OFDM_RATE_36MB 0x48 | |
259 | #define IEEE80211_OFDM_RATE_48MB 0x60 | |
260 | #define IEEE80211_OFDM_RATE_54MB 0x6C | |
261 | #define IEEE80211_BASIC_RATE_MASK 0x80 | |
262 | ||
263 | #define IEEE80211_CCK_RATE_1MB_MASK (1<<0) | |
264 | #define IEEE80211_CCK_RATE_2MB_MASK (1<<1) | |
265 | #define IEEE80211_CCK_RATE_5MB_MASK (1<<2) | |
266 | #define IEEE80211_CCK_RATE_11MB_MASK (1<<3) | |
267 | #define IEEE80211_OFDM_RATE_6MB_MASK (1<<4) | |
268 | #define IEEE80211_OFDM_RATE_9MB_MASK (1<<5) | |
269 | #define IEEE80211_OFDM_RATE_12MB_MASK (1<<6) | |
270 | #define IEEE80211_OFDM_RATE_18MB_MASK (1<<7) | |
271 | #define IEEE80211_OFDM_RATE_24MB_MASK (1<<8) | |
272 | #define IEEE80211_OFDM_RATE_36MB_MASK (1<<9) | |
273 | #define IEEE80211_OFDM_RATE_48MB_MASK (1<<10) | |
274 | #define IEEE80211_OFDM_RATE_54MB_MASK (1<<11) | |
275 | ||
276 | #define IEEE80211_CCK_RATES_MASK 0x0000000F | |
277 | #define IEEE80211_CCK_BASIC_RATES_MASK (IEEE80211_CCK_RATE_1MB_MASK | \ | |
278 | IEEE80211_CCK_RATE_2MB_MASK) | |
279 | #define IEEE80211_CCK_DEFAULT_RATES_MASK (IEEE80211_CCK_BASIC_RATES_MASK | \ | |
280 | IEEE80211_CCK_RATE_5MB_MASK | \ | |
281 | IEEE80211_CCK_RATE_11MB_MASK) | |
282 | ||
283 | #define IEEE80211_OFDM_RATES_MASK 0x00000FF0 | |
284 | #define IEEE80211_OFDM_BASIC_RATES_MASK (IEEE80211_OFDM_RATE_6MB_MASK | \ | |
285 | IEEE80211_OFDM_RATE_12MB_MASK | \ | |
286 | IEEE80211_OFDM_RATE_24MB_MASK) | |
287 | #define IEEE80211_OFDM_DEFAULT_RATES_MASK (IEEE80211_OFDM_BASIC_RATES_MASK | \ | |
288 | IEEE80211_OFDM_RATE_9MB_MASK | \ | |
289 | IEEE80211_OFDM_RATE_18MB_MASK | \ | |
290 | IEEE80211_OFDM_RATE_36MB_MASK | \ | |
291 | IEEE80211_OFDM_RATE_48MB_MASK | \ | |
292 | IEEE80211_OFDM_RATE_54MB_MASK) | |
293 | #define IEEE80211_DEFAULT_RATES_MASK (IEEE80211_OFDM_DEFAULT_RATES_MASK | \ | |
294 | IEEE80211_CCK_DEFAULT_RATES_MASK) | |
295 | ||
296 | #define IEEE80211_NUM_OFDM_RATES 8 | |
297 | #define IEEE80211_NUM_CCK_RATES 4 | |
298 | #define IEEE80211_OFDM_SHIFT_MASK_A 4 | |
299 | ||
b453872c | 300 | /* NOTE: This data is for statistical purposes; not all hardware provides this |
c9fa7d5d JB |
301 | * information for frames received. |
302 | * For ieee80211_rx_mgt, you need to set at least the 'len' parameter. | |
303 | */ | |
b453872c JG |
304 | struct ieee80211_rx_stats { |
305 | u32 mac_time; | |
306 | s8 rssi; | |
307 | u8 signal; | |
308 | u8 noise; | |
74079fdc | 309 | u16 rate; /* in 100 kbps */ |
b453872c JG |
310 | u8 received_channel; |
311 | u8 control; | |
312 | u8 mask; | |
313 | u8 freq; | |
314 | u16 len; | |
b79e20b6 ZY |
315 | u64 tsf; |
316 | u32 beacon_time; | |
b453872c JG |
317 | }; |
318 | ||
319 | /* IEEE 802.11 requires that STA supports concurrent reception of at least | |
320 | * three fragmented frames. This define can be increased to support more | |
321 | * concurrent frames, but it should be noted that each entry can consume about | |
322 | * 2 kB of RAM and increasing cache size will slow down frame reassembly. */ | |
323 | #define IEEE80211_FRAG_CACHE_LEN 4 | |
324 | ||
325 | struct ieee80211_frag_entry { | |
326 | unsigned long first_frag_time; | |
327 | unsigned int seq; | |
328 | unsigned int last_frag; | |
329 | struct sk_buff *skb; | |
330 | u8 src_addr[ETH_ALEN]; | |
331 | u8 dst_addr[ETH_ALEN]; | |
332 | }; | |
333 | ||
334 | struct ieee80211_stats { | |
335 | unsigned int tx_unicast_frames; | |
336 | unsigned int tx_multicast_frames; | |
337 | unsigned int tx_fragments; | |
338 | unsigned int tx_unicast_octets; | |
339 | unsigned int tx_multicast_octets; | |
340 | unsigned int tx_deferred_transmissions; | |
341 | unsigned int tx_single_retry_frames; | |
342 | unsigned int tx_multiple_retry_frames; | |
343 | unsigned int tx_retry_limit_exceeded; | |
344 | unsigned int tx_discards; | |
345 | unsigned int rx_unicast_frames; | |
346 | unsigned int rx_multicast_frames; | |
347 | unsigned int rx_fragments; | |
348 | unsigned int rx_unicast_octets; | |
349 | unsigned int rx_multicast_octets; | |
350 | unsigned int rx_fcs_errors; | |
351 | unsigned int rx_discards_no_buffer; | |
352 | unsigned int tx_discards_wrong_sa; | |
353 | unsigned int rx_discards_undecryptable; | |
354 | unsigned int rx_message_in_msg_fragments; | |
355 | unsigned int rx_message_in_bad_msg_fragments; | |
356 | }; | |
357 | ||
358 | struct ieee80211_device; | |
359 | ||
f1bf6638 JK |
360 | #define SEC_KEY_1 (1<<0) |
361 | #define SEC_KEY_2 (1<<1) | |
362 | #define SEC_KEY_3 (1<<2) | |
363 | #define SEC_KEY_4 (1<<3) | |
364 | #define SEC_ACTIVE_KEY (1<<4) | |
365 | #define SEC_AUTH_MODE (1<<5) | |
366 | #define SEC_UNICAST_GROUP (1<<6) | |
367 | #define SEC_LEVEL (1<<7) | |
368 | #define SEC_ENABLED (1<<8) | |
259bf1fd | 369 | #define SEC_ENCRYPT (1<<9) |
f1bf6638 JK |
370 | |
371 | #define SEC_LEVEL_0 0 /* None */ | |
372 | #define SEC_LEVEL_1 1 /* WEP 40 and 104 bit */ | |
373 | #define SEC_LEVEL_2 2 /* Level 1 + TKIP */ | |
374 | #define SEC_LEVEL_2_CKIP 3 /* Level 1 + CKIP */ | |
375 | #define SEC_LEVEL_3 4 /* Level 2 + CCMP */ | |
376 | ||
e0d369d1 JK |
377 | #define SEC_ALG_NONE 0 |
378 | #define SEC_ALG_WEP 1 | |
379 | #define SEC_ALG_TKIP 2 | |
380 | #define SEC_ALG_CCMP 3 | |
381 | ||
f1bf6638 JK |
382 | #define WEP_KEYS 4 |
383 | #define WEP_KEY_LEN 13 | |
384 | #define SCM_KEY_LEN 32 | |
385 | #define SCM_TEMPORAL_KEY_LENGTH 16 | |
b453872c JG |
386 | |
387 | struct ieee80211_security { | |
0f202aa2 JL |
388 | u16 active_key:2, enabled:1, unicast_uses_group:1, encrypt:1; |
389 | u8 auth_mode; | |
e0d369d1 | 390 | u8 encode_alg[WEP_KEYS]; |
b453872c | 391 | u8 key_sizes[WEP_KEYS]; |
f1bf6638 | 392 | u8 keys[WEP_KEYS][SCM_KEY_LEN]; |
b453872c JG |
393 | u8 level; |
394 | u16 flags; | |
395 | } __attribute__ ((packed)); | |
396 | ||
b453872c JG |
397 | /* |
398 | ||
399 | 802.11 data frame from AP | |
400 | ||
401 | ,-------------------------------------------------------------------. | |
402 | Bytes | 2 | 2 | 6 | 6 | 6 | 2 | 0..2312 | 4 | | |
403 | |------|------|---------|---------|---------|------|---------|------| | |
404 | Desc. | ctrl | dura | DA/RA | TA | SA | Sequ | frame | fcs | | |
405 | | | tion | (BSSID) | | | ence | data | | | |
406 | `-------------------------------------------------------------------' | |
407 | ||
408 | Total: 28-2340 bytes | |
409 | ||
410 | */ | |
411 | ||
b453872c JG |
412 | #define BEACON_PROBE_SSID_ID_POSITION 12 |
413 | ||
414 | /* Management Frame Information Element Types */ | |
95d5185d JB |
415 | enum ieee80211_mfie { |
416 | MFIE_TYPE_SSID = 0, | |
417 | MFIE_TYPE_RATES = 1, | |
418 | MFIE_TYPE_FH_SET = 2, | |
419 | MFIE_TYPE_DS_SET = 3, | |
74079fdc | 420 | MFIE_TYPE_CF_SET = 4, |
95d5185d JB |
421 | MFIE_TYPE_TIM = 5, |
422 | MFIE_TYPE_IBSS_SET = 6, | |
423 | MFIE_TYPE_COUNTRY = 7, | |
424 | MFIE_TYPE_HOP_PARAMS = 8, | |
425 | MFIE_TYPE_HOP_TABLE = 9, | |
426 | MFIE_TYPE_REQUEST = 10, | |
427 | MFIE_TYPE_CHALLENGE = 16, | |
428 | MFIE_TYPE_POWER_CONSTRAINT = 32, | |
429 | MFIE_TYPE_POWER_CAPABILITY = 33, | |
430 | MFIE_TYPE_TPC_REQUEST = 34, | |
431 | MFIE_TYPE_TPC_REPORT = 35, | |
432 | MFIE_TYPE_SUPP_CHANNELS = 36, | |
433 | MFIE_TYPE_CSA = 37, | |
434 | MFIE_TYPE_MEASURE_REQUEST = 38, | |
435 | MFIE_TYPE_MEASURE_REPORT = 39, | |
436 | MFIE_TYPE_QUIET = 40, | |
437 | MFIE_TYPE_IBSS_DFS = 41, | |
438 | MFIE_TYPE_ERP_INFO = 42, | |
439 | MFIE_TYPE_RSN = 48, | |
440 | MFIE_TYPE_RATES_EX = 50, | |
441 | MFIE_TYPE_GENERIC = 221, | |
9e8571af | 442 | MFIE_TYPE_QOS_PARAMETER = 222, |
95d5185d | 443 | }; |
b453872c | 444 | |
ee34af37 | 445 | struct ieee80211_hdr_1addr { |
cdcfc210 JK |
446 | __le16 frame_ctl; |
447 | __le16 duration_id; | |
ee34af37 JK |
448 | u8 addr1[ETH_ALEN]; |
449 | u8 payload[0]; | |
450 | } __attribute__ ((packed)); | |
451 | ||
452 | struct ieee80211_hdr_2addr { | |
cdcfc210 JK |
453 | __le16 frame_ctl; |
454 | __le16 duration_id; | |
ee34af37 JK |
455 | u8 addr1[ETH_ALEN]; |
456 | u8 addr2[ETH_ALEN]; | |
457 | u8 payload[0]; | |
458 | } __attribute__ ((packed)); | |
459 | ||
460 | struct ieee80211_hdr_3addr { | |
cdcfc210 JK |
461 | __le16 frame_ctl; |
462 | __le16 duration_id; | |
ee34af37 JK |
463 | u8 addr1[ETH_ALEN]; |
464 | u8 addr2[ETH_ALEN]; | |
465 | u8 addr3[ETH_ALEN]; | |
cdcfc210 | 466 | __le16 seq_ctl; |
ee34af37 JK |
467 | u8 payload[0]; |
468 | } __attribute__ ((packed)); | |
469 | ||
470 | struct ieee80211_hdr_4addr { | |
cdcfc210 JK |
471 | __le16 frame_ctl; |
472 | __le16 duration_id; | |
ee34af37 JK |
473 | u8 addr1[ETH_ALEN]; |
474 | u8 addr2[ETH_ALEN]; | |
475 | u8 addr3[ETH_ALEN]; | |
cdcfc210 | 476 | __le16 seq_ctl; |
ee34af37 JK |
477 | u8 addr4[ETH_ALEN]; |
478 | u8 payload[0]; | |
479 | } __attribute__ ((packed)); | |
480 | ||
9e8571af | 481 | struct ieee80211_hdr_3addrqos { |
cdcfc210 JK |
482 | __le16 frame_ctl; |
483 | __le16 duration_id; | |
9e8571af JK |
484 | u8 addr1[ETH_ALEN]; |
485 | u8 addr2[ETH_ALEN]; | |
486 | u8 addr3[ETH_ALEN]; | |
cdcfc210 | 487 | __le16 seq_ctl; |
9e8571af | 488 | u8 payload[0]; |
cdcfc210 | 489 | __le16 qos_ctl; |
9e8571af JK |
490 | } __attribute__ ((packed)); |
491 | ||
b453872c JG |
492 | struct ieee80211_info_element { |
493 | u8 id; | |
494 | u8 len; | |
495 | u8 data[0]; | |
496 | } __attribute__ ((packed)); | |
497 | ||
498 | /* | |
499 | * These are the data types that can make up management packets | |
500 | * | |
501 | u16 auth_algorithm; | |
502 | u16 auth_sequence; | |
503 | u16 beacon_interval; | |
504 | u16 capability; | |
505 | u8 current_ap[ETH_ALEN]; | |
506 | u16 listen_interval; | |
507 | struct { | |
508 | u16 association_id:14, reserved:2; | |
509 | } __attribute__ ((packed)); | |
510 | u32 time_stamp[2]; | |
511 | u16 reason; | |
512 | u16 status; | |
513 | */ | |
514 | ||
ee34af37 | 515 | struct ieee80211_auth { |
286d9747 | 516 | struct ieee80211_hdr_3addr header; |
099c5bb1 JB |
517 | __le16 algorithm; |
518 | __le16 transaction; | |
519 | __le16 status; | |
e5658d3e | 520 | /* challenge */ |
68e4e036 | 521 | struct ieee80211_info_element info_element[0]; |
b453872c JG |
522 | } __attribute__ ((packed)); |
523 | ||
b79e20b6 ZY |
524 | struct ieee80211_channel_switch { |
525 | u8 id; | |
526 | u8 len; | |
527 | u8 mode; | |
528 | u8 channel; | |
529 | u8 count; | |
530 | } __attribute__ ((packed)); | |
531 | ||
532 | struct ieee80211_action { | |
533 | struct ieee80211_hdr_3addr header; | |
534 | u8 category; | |
535 | u8 action; | |
536 | union { | |
537 | struct ieee80211_action_exchange { | |
538 | u8 token; | |
539 | struct ieee80211_info_element info_element[0]; | |
540 | } exchange; | |
541 | struct ieee80211_channel_switch channel_switch; | |
542 | ||
543 | } format; | |
544 | } __attribute__ ((packed)); | |
545 | ||
ee34af37 JK |
546 | struct ieee80211_disassoc { |
547 | struct ieee80211_hdr_3addr header; | |
e5658d3e | 548 | __le16 reason; |
ee34af37 JK |
549 | } __attribute__ ((packed)); |
550 | ||
e5658d3e | 551 | /* Alias deauth for disassoc */ |
604116a3 | 552 | #define ieee80211_deauth ieee80211_disassoc |
e5658d3e | 553 | |
ee34af37 JK |
554 | struct ieee80211_probe_request { |
555 | struct ieee80211_hdr_3addr header; | |
e5658d3e | 556 | /* SSID, supported rates */ |
ee34af37 JK |
557 | struct ieee80211_info_element info_element[0]; |
558 | } __attribute__ ((packed)); | |
559 | ||
b453872c | 560 | struct ieee80211_probe_response { |
286d9747 | 561 | struct ieee80211_hdr_3addr header; |
d9e94d56 | 562 | __le32 time_stamp[2]; |
099c5bb1 JB |
563 | __le16 beacon_interval; |
564 | __le16 capability; | |
e5658d3e JK |
565 | /* SSID, supported rates, FH params, DS params, |
566 | * CF params, IBSS params, TIM (if beacon), RSN */ | |
68e4e036 | 567 | struct ieee80211_info_element info_element[0]; |
b453872c JG |
568 | } __attribute__ ((packed)); |
569 | ||
ee34af37 JK |
570 | /* Alias beacon for probe_response */ |
571 | #define ieee80211_beacon ieee80211_probe_response | |
572 | ||
573 | struct ieee80211_assoc_request { | |
574 | struct ieee80211_hdr_3addr header; | |
cdcfc210 JK |
575 | __le16 capability; |
576 | __le16 listen_interval; | |
e5658d3e | 577 | /* SSID, supported rates, RSN */ |
ee34af37 JK |
578 | struct ieee80211_info_element info_element[0]; |
579 | } __attribute__ ((packed)); | |
580 | ||
581 | struct ieee80211_reassoc_request { | |
582 | struct ieee80211_hdr_3addr header; | |
099c5bb1 JB |
583 | __le16 capability; |
584 | __le16 listen_interval; | |
b453872c | 585 | u8 current_ap[ETH_ALEN]; |
68e4e036 | 586 | struct ieee80211_info_element info_element[0]; |
b453872c JG |
587 | } __attribute__ ((packed)); |
588 | ||
ee34af37 | 589 | struct ieee80211_assoc_response { |
b453872c | 590 | struct ieee80211_hdr_3addr header; |
099c5bb1 JB |
591 | __le16 capability; |
592 | __le16 status; | |
593 | __le16 aid; | |
e5658d3e JK |
594 | /* supported rates */ |
595 | struct ieee80211_info_element info_element[0]; | |
b453872c JG |
596 | } __attribute__ ((packed)); |
597 | ||
b453872c JG |
598 | struct ieee80211_txb { |
599 | u8 nr_frags; | |
600 | u8 encrypted; | |
ee34af37 JK |
601 | u8 rts_included; |
602 | u8 reserved; | |
d9e94d56 AV |
603 | u16 frag_size; |
604 | u16 payload_size; | |
b453872c JG |
605 | struct sk_buff *fragments[0]; |
606 | }; | |
607 | ||
099c5bb1 | 608 | /* SWEEP TABLE ENTRIES NUMBER */ |
b453872c JG |
609 | #define MAX_SWEEP_TAB_ENTRIES 42 |
610 | #define MAX_SWEEP_TAB_ENTRIES_PER_PACKET 7 | |
611 | /* MAX_RATES_LENGTH needs to be 12. The spec says 8, and many APs | |
612 | * only use 8, and then use extended rates for the remaining supported | |
613 | * rates. Other APs, however, stick all of their supported rates on the | |
614 | * main rates information element... */ | |
615 | #define MAX_RATES_LENGTH ((u8)12) | |
616 | #define MAX_RATES_EX_LENGTH ((u8)16) | |
617 | #define MAX_NETWORK_COUNT 128 | |
618 | ||
619 | #define CRC_LENGTH 4U | |
620 | ||
621 | #define MAX_WPA_IE_LEN 64 | |
622 | ||
9e8571af JK |
623 | #define NETWORK_HAS_OFDM (1<<1) |
624 | #define NETWORK_HAS_CCK (1<<2) | |
625 | ||
626 | /* QoS structure */ | |
627 | #define NETWORK_HAS_QOS_PARAMETERS (1<<3) | |
628 | #define NETWORK_HAS_QOS_INFORMATION (1<<4) | |
b79e20b6 ZY |
629 | #define NETWORK_HAS_QOS_MASK (NETWORK_HAS_QOS_PARAMETERS | \ |
630 | NETWORK_HAS_QOS_INFORMATION) | |
631 | ||
632 | /* 802.11h */ | |
633 | #define NETWORK_HAS_POWER_CONSTRAINT (1<<5) | |
634 | #define NETWORK_HAS_CSA (1<<6) | |
635 | #define NETWORK_HAS_QUIET (1<<7) | |
636 | #define NETWORK_HAS_IBSS_DFS (1<<8) | |
637 | #define NETWORK_HAS_TPC_REPORT (1<<9) | |
9e8571af | 638 | |
d8e2be90 DD |
639 | #define NETWORK_HAS_ERP_VALUE (1<<10) |
640 | ||
9e8571af JK |
641 | #define QOS_QUEUE_NUM 4 |
642 | #define QOS_OUI_LEN 3 | |
643 | #define QOS_OUI_TYPE 2 | |
644 | #define QOS_ELEMENT_ID 221 | |
645 | #define QOS_OUI_INFO_SUB_TYPE 0 | |
646 | #define QOS_OUI_PARAM_SUB_TYPE 1 | |
647 | #define QOS_VERSION_1 1 | |
648 | #define QOS_AIFSN_MIN_VALUE 2 | |
649 | ||
650 | struct ieee80211_qos_information_element { | |
651 | u8 elementID; | |
652 | u8 length; | |
653 | u8 qui[QOS_OUI_LEN]; | |
654 | u8 qui_type; | |
655 | u8 qui_subtype; | |
656 | u8 version; | |
657 | u8 ac_info; | |
658 | } __attribute__ ((packed)); | |
659 | ||
660 | struct ieee80211_qos_ac_parameter { | |
661 | u8 aci_aifsn; | |
662 | u8 ecw_min_max; | |
cdcfc210 | 663 | __le16 tx_op_limit; |
9e8571af JK |
664 | } __attribute__ ((packed)); |
665 | ||
666 | struct ieee80211_qos_parameter_info { | |
667 | struct ieee80211_qos_information_element info_element; | |
668 | u8 reserved; | |
669 | struct ieee80211_qos_ac_parameter ac_params_record[QOS_QUEUE_NUM]; | |
670 | } __attribute__ ((packed)); | |
671 | ||
672 | struct ieee80211_qos_parameters { | |
cdcfc210 JK |
673 | __le16 cw_min[QOS_QUEUE_NUM]; |
674 | __le16 cw_max[QOS_QUEUE_NUM]; | |
9e8571af JK |
675 | u8 aifs[QOS_QUEUE_NUM]; |
676 | u8 flag[QOS_QUEUE_NUM]; | |
cdcfc210 | 677 | __le16 tx_op_limit[QOS_QUEUE_NUM]; |
9e8571af JK |
678 | } __attribute__ ((packed)); |
679 | ||
680 | struct ieee80211_qos_data { | |
681 | struct ieee80211_qos_parameters parameters; | |
682 | int active; | |
683 | int supported; | |
684 | u8 param_count; | |
685 | u8 old_param_count; | |
686 | }; | |
687 | ||
688 | struct ieee80211_tim_parameters { | |
689 | u8 tim_count; | |
690 | u8 tim_period; | |
691 | } __attribute__ ((packed)); | |
692 | ||
693 | /*******************************************************/ | |
b453872c | 694 | |
b79e20b6 ZY |
695 | enum { /* ieee80211_basic_report.map */ |
696 | IEEE80211_BASIC_MAP_BSS = (1 << 0), | |
697 | IEEE80211_BASIC_MAP_OFDM = (1 << 1), | |
698 | IEEE80211_BASIC_MAP_UNIDENTIFIED = (1 << 2), | |
699 | IEEE80211_BASIC_MAP_RADAR = (1 << 3), | |
700 | IEEE80211_BASIC_MAP_UNMEASURED = (1 << 4), | |
701 | /* Bits 5-7 are reserved */ | |
702 | ||
703 | }; | |
704 | struct ieee80211_basic_report { | |
705 | u8 channel; | |
706 | __le64 start_time; | |
707 | __le16 duration; | |
708 | u8 map; | |
709 | } __attribute__ ((packed)); | |
710 | ||
711 | enum { /* ieee80211_measurement_request.mode */ | |
712 | /* Bit 0 is reserved */ | |
713 | IEEE80211_MEASUREMENT_ENABLE = (1 << 1), | |
714 | IEEE80211_MEASUREMENT_REQUEST = (1 << 2), | |
715 | IEEE80211_MEASUREMENT_REPORT = (1 << 3), | |
716 | /* Bits 4-7 are reserved */ | |
717 | }; | |
718 | ||
719 | enum { | |
720 | IEEE80211_REPORT_BASIC = 0, /* required */ | |
721 | IEEE80211_REPORT_CCA = 1, /* optional */ | |
722 | IEEE80211_REPORT_RPI = 2, /* optional */ | |
723 | /* 3-255 reserved */ | |
724 | }; | |
725 | ||
726 | struct ieee80211_measurement_params { | |
727 | u8 channel; | |
728 | __le64 start_time; | |
729 | __le16 duration; | |
730 | } __attribute__ ((packed)); | |
731 | ||
732 | struct ieee80211_measurement_request { | |
733 | struct ieee80211_info_element ie; | |
734 | u8 token; | |
735 | u8 mode; | |
736 | u8 type; | |
737 | struct ieee80211_measurement_params params[0]; | |
738 | } __attribute__ ((packed)); | |
739 | ||
740 | struct ieee80211_measurement_report { | |
741 | struct ieee80211_info_element ie; | |
742 | u8 token; | |
743 | u8 mode; | |
744 | u8 type; | |
745 | union { | |
746 | struct ieee80211_basic_report basic[0]; | |
747 | } u; | |
748 | } __attribute__ ((packed)); | |
749 | ||
750 | struct ieee80211_tpc_report { | |
751 | u8 transmit_power; | |
752 | u8 link_margin; | |
753 | } __attribute__ ((packed)); | |
754 | ||
755 | struct ieee80211_channel_map { | |
756 | u8 channel; | |
757 | u8 map; | |
758 | } __attribute__ ((packed)); | |
759 | ||
760 | struct ieee80211_ibss_dfs { | |
761 | struct ieee80211_info_element ie; | |
762 | u8 owner[ETH_ALEN]; | |
763 | u8 recovery_interval; | |
764 | struct ieee80211_channel_map channel_map[0]; | |
765 | }; | |
766 | ||
767 | struct ieee80211_csa { | |
768 | u8 mode; | |
769 | u8 channel; | |
770 | u8 count; | |
771 | } __attribute__ ((packed)); | |
772 | ||
773 | struct ieee80211_quiet { | |
774 | u8 count; | |
775 | u8 period; | |
776 | u8 duration; | |
777 | u8 offset; | |
778 | } __attribute__ ((packed)); | |
779 | ||
b453872c JG |
780 | struct ieee80211_network { |
781 | /* These entries are used to identify a unique network */ | |
782 | u8 bssid[ETH_ALEN]; | |
783 | u8 channel; | |
784 | /* Ensure null-terminated for any debug msgs */ | |
785 | u8 ssid[IW_ESSID_MAX_SIZE + 1]; | |
786 | u8 ssid_len; | |
787 | ||
9e8571af JK |
788 | struct ieee80211_qos_data qos_data; |
789 | ||
b453872c JG |
790 | /* These are network statistics */ |
791 | struct ieee80211_rx_stats stats; | |
792 | u16 capability; | |
793 | u8 rates[MAX_RATES_LENGTH]; | |
794 | u8 rates_len; | |
795 | u8 rates_ex[MAX_RATES_EX_LENGTH]; | |
796 | u8 rates_ex_len; | |
797 | unsigned long last_scanned; | |
798 | u8 mode; | |
b79e20b6 | 799 | u32 flags; |
b453872c JG |
800 | u32 last_associate; |
801 | u32 time_stamp[2]; | |
802 | u16 beacon_interval; | |
803 | u16 listen_interval; | |
804 | u16 atim_window; | |
42c94e43 | 805 | u8 erp_value; |
b453872c JG |
806 | u8 wpa_ie[MAX_WPA_IE_LEN]; |
807 | size_t wpa_ie_len; | |
808 | u8 rsn_ie[MAX_WPA_IE_LEN]; | |
809 | size_t rsn_ie_len; | |
9e8571af | 810 | struct ieee80211_tim_parameters tim; |
b79e20b6 ZY |
811 | |
812 | /* 802.11h info */ | |
813 | ||
814 | /* Power Constraint - mandatory if spctrm mgmt required */ | |
815 | u8 power_constraint; | |
816 | ||
817 | /* TPC Report - mandatory if spctrm mgmt required */ | |
818 | struct ieee80211_tpc_report tpc_report; | |
819 | ||
820 | /* IBSS DFS - mandatory if spctrm mgmt required and IBSS | |
821 | * NOTE: This is variable length and so must be allocated dynamically */ | |
822 | struct ieee80211_ibss_dfs *ibss_dfs; | |
823 | ||
824 | /* Channel Switch Announcement - optional if spctrm mgmt required */ | |
825 | struct ieee80211_csa csa; | |
826 | ||
827 | /* Quiet - optional if spctrm mgmt required */ | |
828 | struct ieee80211_quiet quiet; | |
829 | ||
b453872c JG |
830 | struct list_head list; |
831 | }; | |
832 | ||
833 | enum ieee80211_state { | |
834 | IEEE80211_UNINITIALIZED = 0, | |
835 | IEEE80211_INITIALIZED, | |
836 | IEEE80211_ASSOCIATING, | |
837 | IEEE80211_ASSOCIATED, | |
838 | IEEE80211_AUTHENTICATING, | |
839 | IEEE80211_AUTHENTICATED, | |
840 | IEEE80211_SHUTDOWN | |
841 | }; | |
842 | ||
843 | #define DEFAULT_MAX_SCAN_AGE (15 * HZ) | |
844 | #define DEFAULT_FTS 2346 | |
b453872c | 845 | |
b453872c JG |
846 | #define CFG_IEEE80211_RESERVE_FCS (1<<0) |
847 | #define CFG_IEEE80211_COMPUTE_FCS (1<<1) | |
3cdd00c5 | 848 | #define CFG_IEEE80211_RTS (1<<2) |
b453872c | 849 | |
02cda6ae JK |
850 | #define IEEE80211_24GHZ_MIN_CHANNEL 1 |
851 | #define IEEE80211_24GHZ_MAX_CHANNEL 14 | |
f21709d7 JD |
852 | #define IEEE80211_24GHZ_CHANNELS (IEEE80211_24GHZ_MAX_CHANNEL - \ |
853 | IEEE80211_24GHZ_MIN_CHANNEL + 1) | |
02cda6ae | 854 | |
4a99ac3a | 855 | #define IEEE80211_52GHZ_MIN_CHANNEL 34 |
02cda6ae | 856 | #define IEEE80211_52GHZ_MAX_CHANNEL 165 |
f21709d7 JD |
857 | #define IEEE80211_52GHZ_CHANNELS (IEEE80211_52GHZ_MAX_CHANNEL - \ |
858 | IEEE80211_52GHZ_MIN_CHANNEL + 1) | |
02cda6ae JK |
859 | |
860 | enum { | |
861 | IEEE80211_CH_PASSIVE_ONLY = (1 << 0), | |
74f49033 | 862 | IEEE80211_CH_80211H_RULES = (1 << 1), |
02cda6ae JK |
863 | IEEE80211_CH_B_ONLY = (1 << 2), |
864 | IEEE80211_CH_NO_IBSS = (1 << 3), | |
865 | IEEE80211_CH_UNIFORM_SPREADING = (1 << 4), | |
866 | IEEE80211_CH_RADAR_DETECT = (1 << 5), | |
867 | IEEE80211_CH_INVALID = (1 << 6), | |
868 | }; | |
869 | ||
870 | struct ieee80211_channel { | |
74f49033 | 871 | u32 freq; /* in MHz */ |
02cda6ae JK |
872 | u8 channel; |
873 | u8 flags; | |
74f49033 | 874 | u8 max_power; /* in dBm */ |
02cda6ae JK |
875 | }; |
876 | ||
877 | struct ieee80211_geo { | |
878 | u8 name[4]; | |
879 | u8 bg_channels; | |
880 | u8 a_channels; | |
881 | struct ieee80211_channel bg[IEEE80211_24GHZ_CHANNELS]; | |
882 | struct ieee80211_channel a[IEEE80211_52GHZ_CHANNELS]; | |
883 | }; | |
884 | ||
b453872c JG |
885 | struct ieee80211_device { |
886 | struct net_device *dev; | |
f1bf6638 | 887 | struct ieee80211_security sec; |
b453872c JG |
888 | |
889 | /* Bookkeeping structures */ | |
890 | struct net_device_stats stats; | |
891 | struct ieee80211_stats ieee_stats; | |
892 | ||
02cda6ae JK |
893 | struct ieee80211_geo geo; |
894 | ||
b453872c JG |
895 | /* Probe / Beacon management */ |
896 | struct list_head network_free_list; | |
897 | struct list_head network_list; | |
898 | struct ieee80211_network *networks; | |
899 | int scans; | |
900 | int scan_age; | |
901 | ||
74079fdc JK |
902 | int iw_mode; /* operating mode (IW_MODE_*) */ |
903 | struct iw_spy_data spy_data; /* iwspy support */ | |
b453872c JG |
904 | |
905 | spinlock_t lock; | |
906 | ||
74079fdc JK |
907 | int tx_headroom; /* Set to size of any additional room needed at front |
908 | * of allocated Tx SKBs */ | |
b453872c JG |
909 | u32 config; |
910 | ||
911 | /* WEP and other encryption related settings at the device level */ | |
74079fdc | 912 | int open_wep; /* Set to 1 to allow unencrypted frames */ |
b453872c | 913 | |
74079fdc | 914 | int reset_on_keychange; /* Set to 1 if the HW needs to be reset on |
b453872c JG |
915 | * WEP key changes */ |
916 | ||
917 | /* If the host performs {en,de}cryption, then set to 1 */ | |
918 | int host_encrypt; | |
1264fc04 | 919 | int host_encrypt_msdu; |
b453872c | 920 | int host_decrypt; |
ccd0fda3 JK |
921 | /* host performs multicast decryption */ |
922 | int host_mc_decrypt; | |
923 | ||
c9308b06 DD |
924 | /* host should strip IV and ICV from protected frames */ |
925 | /* meaningful only when hardware decryption is being used */ | |
926 | int host_strip_iv_icv; | |
927 | ||
1264fc04 | 928 | int host_open_frag; |
31b59eae | 929 | int host_build_iv; |
74079fdc | 930 | int ieee802_1x; /* is IEEE 802.1X used */ |
b453872c JG |
931 | |
932 | /* WPA data */ | |
933 | int wpa_enabled; | |
934 | int drop_unencrypted; | |
b453872c JG |
935 | int privacy_invoked; |
936 | size_t wpa_ie_len; | |
937 | u8 *wpa_ie; | |
938 | ||
274bfb8d | 939 | struct lib80211_crypt_info crypt_info; |
b453872c | 940 | |
74079fdc JK |
941 | int bcrx_sta_key; /* use individual keys to override default keys even |
942 | * with RX of broad/multicast frames */ | |
b453872c JG |
943 | |
944 | /* Fragmentation structures */ | |
945 | struct ieee80211_frag_entry frag_cache[IEEE80211_FRAG_CACHE_LEN]; | |
946 | unsigned int frag_next_idx; | |
74079fdc | 947 | u16 fts; /* Fragmentation Threshold */ |
3cdd00c5 | 948 | u16 rts; /* RTS threshold */ |
b453872c JG |
949 | |
950 | /* Association info */ | |
951 | u8 bssid[ETH_ALEN]; | |
952 | ||
953 | enum ieee80211_state state; | |
954 | ||
74079fdc JK |
955 | int mode; /* A, B, G */ |
956 | int modulation; /* CCK, OFDM */ | |
957 | int freq_band; /* 2.4Ghz, 5.2Ghz, Mixed */ | |
3bc5ed68 | 958 | int abg_true; /* ABG flag */ |
b453872c | 959 | |
b1b508e1 JK |
960 | int perfect_rssi; |
961 | int worst_rssi; | |
962 | ||
837925df LF |
963 | u16 prev_seq_ctl; /* used to drop duplicate frames */ |
964 | ||
b453872c | 965 | /* Callback functions */ |
74079fdc JK |
966 | void (*set_security) (struct net_device * dev, |
967 | struct ieee80211_security * sec); | |
968 | int (*hard_start_xmit) (struct ieee80211_txb * txb, | |
9e8571af | 969 | struct net_device * dev, int pri); |
74079fdc | 970 | int (*reset_port) (struct net_device * dev); |
3f552bbf JK |
971 | int (*is_queue_full) (struct net_device * dev, int pri); |
972 | ||
9e8571af JK |
973 | int (*handle_management) (struct net_device * dev, |
974 | struct ieee80211_network * network, u16 type); | |
73858062 | 975 | int (*is_qos_active) (struct net_device *dev, struct sk_buff *skb); |
9e8571af | 976 | |
3f552bbf JK |
977 | /* Typical STA methods */ |
978 | int (*handle_auth) (struct net_device * dev, | |
979 | struct ieee80211_auth * auth); | |
31b59eae | 980 | int (*handle_deauth) (struct net_device * dev, |
b79e20b6 ZY |
981 | struct ieee80211_deauth * auth); |
982 | int (*handle_action) (struct net_device * dev, | |
983 | struct ieee80211_action * action, | |
984 | struct ieee80211_rx_stats * stats); | |
3f552bbf JK |
985 | int (*handle_disassoc) (struct net_device * dev, |
986 | struct ieee80211_disassoc * assoc); | |
987 | int (*handle_beacon) (struct net_device * dev, | |
988 | struct ieee80211_beacon * beacon, | |
989 | struct ieee80211_network * network); | |
990 | int (*handle_probe_response) (struct net_device * dev, | |
991 | struct ieee80211_probe_response * resp, | |
992 | struct ieee80211_network * network); | |
42c94e43 JK |
993 | int (*handle_probe_request) (struct net_device * dev, |
994 | struct ieee80211_probe_request * req, | |
995 | struct ieee80211_rx_stats * stats); | |
3f552bbf JK |
996 | int (*handle_assoc_response) (struct net_device * dev, |
997 | struct ieee80211_assoc_response * resp, | |
998 | struct ieee80211_network * network); | |
999 | ||
1000 | /* Typical AP methods */ | |
1001 | int (*handle_assoc_request) (struct net_device * dev); | |
1002 | int (*handle_reassoc_request) (struct net_device * dev, | |
1003 | struct ieee80211_reassoc_request * req); | |
b453872c JG |
1004 | |
1005 | /* This must be the last item so that it points to the data | |
1006 | * allocated beyond this structure by alloc_ieee80211 */ | |
1007 | u8 priv[0]; | |
1008 | }; | |
1009 | ||
1010 | #define IEEE_A (1<<0) | |
1011 | #define IEEE_B (1<<1) | |
1012 | #define IEEE_G (1<<2) | |
1013 | #define IEEE_MODE_MASK (IEEE_A|IEEE_B|IEEE_G) | |
1014 | ||
9ba7e0d1 | 1015 | static inline void *ieee80211_priv(struct net_device *dev) |
b453872c JG |
1016 | { |
1017 | return ((struct ieee80211_device *)netdev_priv(dev))->priv; | |
1018 | } | |
1019 | ||
9ba7e0d1 | 1020 | static inline int ieee80211_is_valid_mode(struct ieee80211_device *ieee, |
74079fdc | 1021 | int mode) |
b453872c JG |
1022 | { |
1023 | /* | |
1024 | * It is possible for both access points and our device to support | |
1025 | * combinations of modes, so as long as there is one valid combination | |
1026 | * of ap/device supported modes, then return success | |
1027 | * | |
1028 | */ | |
1029 | if ((mode & IEEE_A) && | |
1030 | (ieee->modulation & IEEE80211_OFDM_MODULATION) && | |
1031 | (ieee->freq_band & IEEE80211_52GHZ_BAND)) | |
1032 | return 1; | |
1033 | ||
1034 | if ((mode & IEEE_G) && | |
1035 | (ieee->modulation & IEEE80211_OFDM_MODULATION) && | |
1036 | (ieee->freq_band & IEEE80211_24GHZ_BAND)) | |
1037 | return 1; | |
1038 | ||
1039 | if ((mode & IEEE_B) && | |
1040 | (ieee->modulation & IEEE80211_CCK_MODULATION) && | |
1041 | (ieee->freq_band & IEEE80211_24GHZ_BAND)) | |
1042 | return 1; | |
1043 | ||
1044 | return 0; | |
1045 | } | |
1046 | ||
9ba7e0d1 | 1047 | static inline int ieee80211_get_hdrlen(u16 fc) |
b453872c | 1048 | { |
286d9747 | 1049 | int hdrlen = IEEE80211_3ADDR_LEN; |
9e8571af | 1050 | u16 stype = WLAN_FC_GET_STYPE(fc); |
b453872c JG |
1051 | |
1052 | switch (WLAN_FC_GET_TYPE(fc)) { | |
1053 | case IEEE80211_FTYPE_DATA: | |
1054 | if ((fc & IEEE80211_FCTL_FROMDS) && (fc & IEEE80211_FCTL_TODS)) | |
286d9747 | 1055 | hdrlen = IEEE80211_4ADDR_LEN; |
9e8571af JK |
1056 | if (stype & IEEE80211_STYPE_QOS_DATA) |
1057 | hdrlen += 2; | |
b453872c JG |
1058 | break; |
1059 | case IEEE80211_FTYPE_CTL: | |
1060 | switch (WLAN_FC_GET_STYPE(fc)) { | |
1061 | case IEEE80211_STYPE_CTS: | |
1062 | case IEEE80211_STYPE_ACK: | |
286d9747 | 1063 | hdrlen = IEEE80211_1ADDR_LEN; |
b453872c JG |
1064 | break; |
1065 | default: | |
286d9747 | 1066 | hdrlen = IEEE80211_2ADDR_LEN; |
b453872c JG |
1067 | break; |
1068 | } | |
1069 | break; | |
1070 | } | |
1071 | ||
1072 | return hdrlen; | |
1073 | } | |
1074 | ||
9ba7e0d1 | 1075 | static inline u8 *ieee80211_get_payload(struct ieee80211_hdr *hdr) |
ee34af37 | 1076 | { |
72118015 | 1077 | switch (ieee80211_get_hdrlen(le16_to_cpu(hdr->frame_control))) { |
ee34af37 JK |
1078 | case IEEE80211_1ADDR_LEN: |
1079 | return ((struct ieee80211_hdr_1addr *)hdr)->payload; | |
1080 | case IEEE80211_2ADDR_LEN: | |
1081 | return ((struct ieee80211_hdr_2addr *)hdr)->payload; | |
1082 | case IEEE80211_3ADDR_LEN: | |
1083 | return ((struct ieee80211_hdr_3addr *)hdr)->payload; | |
1084 | case IEEE80211_4ADDR_LEN: | |
1085 | return ((struct ieee80211_hdr_4addr *)hdr)->payload; | |
1086 | } | |
cea00da3 | 1087 | return NULL; |
ee34af37 JK |
1088 | } |
1089 | ||
7c254d3d ID |
1090 | static inline int ieee80211_is_ofdm_rate(u8 rate) |
1091 | { | |
1092 | switch (rate & ~IEEE80211_BASIC_RATE_MASK) { | |
1093 | case IEEE80211_OFDM_RATE_6MB: | |
1094 | case IEEE80211_OFDM_RATE_9MB: | |
1095 | case IEEE80211_OFDM_RATE_12MB: | |
1096 | case IEEE80211_OFDM_RATE_18MB: | |
1097 | case IEEE80211_OFDM_RATE_24MB: | |
1098 | case IEEE80211_OFDM_RATE_36MB: | |
1099 | case IEEE80211_OFDM_RATE_48MB: | |
1100 | case IEEE80211_OFDM_RATE_54MB: | |
1101 | return 1; | |
1102 | } | |
1103 | return 0; | |
1104 | } | |
1105 | ||
1106 | static inline int ieee80211_is_cck_rate(u8 rate) | |
1107 | { | |
1108 | switch (rate & ~IEEE80211_BASIC_RATE_MASK) { | |
1109 | case IEEE80211_CCK_RATE_1MB: | |
1110 | case IEEE80211_CCK_RATE_2MB: | |
1111 | case IEEE80211_CCK_RATE_5MB: | |
1112 | case IEEE80211_CCK_RATE_11MB: | |
1113 | return 1; | |
1114 | } | |
1115 | return 0; | |
1116 | } | |
1117 | ||
b453872c JG |
1118 | /* ieee80211.c */ |
1119 | extern void free_ieee80211(struct net_device *dev); | |
1120 | extern struct net_device *alloc_ieee80211(int sizeof_priv); | |
1121 | ||
1122 | extern int ieee80211_set_encryption(struct ieee80211_device *ieee); | |
1123 | ||
1124 | /* ieee80211_tx.c */ | |
74079fdc | 1125 | extern int ieee80211_xmit(struct sk_buff *skb, struct net_device *dev); |
b453872c JG |
1126 | extern void ieee80211_txb_free(struct ieee80211_txb *); |
1127 | ||
b453872c | 1128 | /* ieee80211_rx.c */ |
f2060f03 DD |
1129 | extern void ieee80211_rx_any(struct ieee80211_device *ieee, |
1130 | struct sk_buff *skb, struct ieee80211_rx_stats *stats); | |
b453872c JG |
1131 | extern int ieee80211_rx(struct ieee80211_device *ieee, struct sk_buff *skb, |
1132 | struct ieee80211_rx_stats *rx_stats); | |
c9fa7d5d | 1133 | /* make sure to set stats->len */ |
b453872c | 1134 | extern void ieee80211_rx_mgt(struct ieee80211_device *ieee, |
ee34af37 | 1135 | struct ieee80211_hdr_4addr *header, |
b453872c | 1136 | struct ieee80211_rx_stats *stats); |
b79e20b6 | 1137 | extern void ieee80211_network_reset(struct ieee80211_network *network); |
b453872c | 1138 | |
02cda6ae JK |
1139 | /* ieee80211_geo.c */ |
1140 | extern const struct ieee80211_geo *ieee80211_get_geo(struct ieee80211_device | |
1141 | *ieee); | |
1142 | extern int ieee80211_set_geo(struct ieee80211_device *ieee, | |
1143 | const struct ieee80211_geo *geo); | |
1144 | ||
1145 | extern int ieee80211_is_valid_channel(struct ieee80211_device *ieee, | |
1146 | u8 channel); | |
1147 | extern int ieee80211_channel_to_index(struct ieee80211_device *ieee, | |
1148 | u8 channel); | |
1149 | extern u8 ieee80211_freq_to_channel(struct ieee80211_device *ieee, u32 freq); | |
b79e20b6 ZY |
1150 | extern u8 ieee80211_get_channel_flags(struct ieee80211_device *ieee, |
1151 | u8 channel); | |
1152 | extern const struct ieee80211_channel *ieee80211_get_channel(struct | |
1153 | ieee80211_device | |
1154 | *ieee, u8 channel); | |
f5cdf306 LF |
1155 | extern u32 ieee80211_channel_to_freq(struct ieee80211_device * ieee, |
1156 | u8 channel); | |
02cda6ae | 1157 | |
099c5bb1 | 1158 | /* ieee80211_wx.c */ |
b453872c JG |
1159 | extern int ieee80211_wx_get_scan(struct ieee80211_device *ieee, |
1160 | struct iw_request_info *info, | |
1161 | union iwreq_data *wrqu, char *key); | |
1162 | extern int ieee80211_wx_set_encode(struct ieee80211_device *ieee, | |
1163 | struct iw_request_info *info, | |
1164 | union iwreq_data *wrqu, char *key); | |
1165 | extern int ieee80211_wx_get_encode(struct ieee80211_device *ieee, | |
1166 | struct iw_request_info *info, | |
1167 | union iwreq_data *wrqu, char *key); | |
e0d369d1 JK |
1168 | extern int ieee80211_wx_set_encodeext(struct ieee80211_device *ieee, |
1169 | struct iw_request_info *info, | |
1170 | union iwreq_data *wrqu, char *extra); | |
1171 | extern int ieee80211_wx_get_encodeext(struct ieee80211_device *ieee, | |
1172 | struct iw_request_info *info, | |
1173 | union iwreq_data *wrqu, char *extra); | |
b453872c | 1174 | |
9ba7e0d1 | 1175 | static inline void ieee80211_increment_scans(struct ieee80211_device *ieee) |
b453872c JG |
1176 | { |
1177 | ieee->scans++; | |
1178 | } | |
1179 | ||
9ba7e0d1 | 1180 | static inline int ieee80211_get_scans(struct ieee80211_device *ieee) |
b453872c JG |
1181 | { |
1182 | return ieee->scans; | |
1183 | } | |
1184 | ||
74079fdc | 1185 | #endif /* IEEE80211_H */ |