Commit | Line | Data |
---|---|---|
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 | |
9 | * <jkmaline@cc.hut.fi> | |
10 | * Copyright (c) 2002-2003, Jouni Malinen <jkmaline@cc.hut.fi> | |
11 | * | |
12 | * Adaption to a generic IEEE 802.11 stack by James Ketrenos | |
13 | * <jketreno@linux.intel.com> | |
14 | * Copyright (c) 2004, Intel Corporation | |
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. | |
20 | */ | |
21 | #ifndef IEEE80211_H | |
22 | #define IEEE80211_H | |
74079fdc JK |
23 | #include <linux/if_ether.h> /* ETH_ALEN */ |
24 | #include <linux/kernel.h> /* ARRAY_SIZE */ | |
b7721ff9 | 25 | #include <linux/wireless.h> |
b453872c | 26 | |
b453872c JG |
27 | #define IEEE80211_DATA_LEN 2304 |
28 | /* Maximum size for the MA-UNITDATA primitive, 802.11 standard section | |
29 | 6.2.1.1.2. | |
30 | ||
31 | The figure in section 7.1.2 suggests a body size of up to 2312 | |
32 | bytes is allowed, which is a bit confusing, I suspect this | |
33 | represents the 2304 bytes of real data, plus a possible 8 bytes of | |
34 | WEP IV and ICV. (this interpretation suggested by Ramiro Barreiro) */ | |
35 | ||
286d9747 JB |
36 | #define IEEE80211_1ADDR_LEN 10 |
37 | #define IEEE80211_2ADDR_LEN 16 | |
b453872c JG |
38 | #define IEEE80211_3ADDR_LEN 24 |
39 | #define IEEE80211_4ADDR_LEN 30 | |
40 | #define IEEE80211_FCS_LEN 4 | |
ee34af37 JK |
41 | #define IEEE80211_HLEN (IEEE80211_4ADDR_LEN) |
42 | #define IEEE80211_FRAME_LEN (IEEE80211_DATA_LEN + IEEE80211_HLEN) | |
b453872c JG |
43 | |
44 | #define MIN_FRAG_THRESHOLD 256U | |
45 | #define MAX_FRAG_THRESHOLD 2346U | |
46 | ||
47 | /* Frame control field constants */ | |
f241be74 | 48 | #define IEEE80211_FCTL_VERS 0x0003 |
b453872c JG |
49 | #define IEEE80211_FCTL_FTYPE 0x000c |
50 | #define IEEE80211_FCTL_STYPE 0x00f0 | |
51 | #define IEEE80211_FCTL_TODS 0x0100 | |
52 | #define IEEE80211_FCTL_FROMDS 0x0200 | |
53 | #define IEEE80211_FCTL_MOREFRAGS 0x0400 | |
54 | #define IEEE80211_FCTL_RETRY 0x0800 | |
55 | #define IEEE80211_FCTL_PM 0x1000 | |
f13baae4 JB |
56 | #define IEEE80211_FCTL_MOREDATA 0x2000 |
57 | #define IEEE80211_FCTL_PROTECTED 0x4000 | |
b453872c JG |
58 | #define IEEE80211_FCTL_ORDER 0x8000 |
59 | ||
60 | #define IEEE80211_FTYPE_MGMT 0x0000 | |
61 | #define IEEE80211_FTYPE_CTL 0x0004 | |
62 | #define IEEE80211_FTYPE_DATA 0x0008 | |
63 | ||
64 | /* management */ | |
65 | #define IEEE80211_STYPE_ASSOC_REQ 0x0000 | |
66 | #define IEEE80211_STYPE_ASSOC_RESP 0x0010 | |
67 | #define IEEE80211_STYPE_REASSOC_REQ 0x0020 | |
68 | #define IEEE80211_STYPE_REASSOC_RESP 0x0030 | |
69 | #define IEEE80211_STYPE_PROBE_REQ 0x0040 | |
70 | #define IEEE80211_STYPE_PROBE_RESP 0x0050 | |
71 | #define IEEE80211_STYPE_BEACON 0x0080 | |
72 | #define IEEE80211_STYPE_ATIM 0x0090 | |
73 | #define IEEE80211_STYPE_DISASSOC 0x00A0 | |
74 | #define IEEE80211_STYPE_AUTH 0x00B0 | |
75 | #define IEEE80211_STYPE_DEAUTH 0x00C0 | |
f13baae4 | 76 | #define IEEE80211_STYPE_ACTION 0x00D0 |
b453872c JG |
77 | |
78 | /* control */ | |
79 | #define IEEE80211_STYPE_PSPOLL 0x00A0 | |
80 | #define IEEE80211_STYPE_RTS 0x00B0 | |
81 | #define IEEE80211_STYPE_CTS 0x00C0 | |
82 | #define IEEE80211_STYPE_ACK 0x00D0 | |
83 | #define IEEE80211_STYPE_CFEND 0x00E0 | |
84 | #define IEEE80211_STYPE_CFENDACK 0x00F0 | |
85 | ||
86 | /* data */ | |
87 | #define IEEE80211_STYPE_DATA 0x0000 | |
88 | #define IEEE80211_STYPE_DATA_CFACK 0x0010 | |
89 | #define IEEE80211_STYPE_DATA_CFPOLL 0x0020 | |
90 | #define IEEE80211_STYPE_DATA_CFACKPOLL 0x0030 | |
91 | #define IEEE80211_STYPE_NULLFUNC 0x0040 | |
92 | #define IEEE80211_STYPE_CFACK 0x0050 | |
93 | #define IEEE80211_STYPE_CFPOLL 0x0060 | |
94 | #define IEEE80211_STYPE_CFACKPOLL 0x0070 | |
9e8571af | 95 | #define IEEE80211_STYPE_QOS_DATA 0x0080 |
b453872c JG |
96 | |
97 | #define IEEE80211_SCTL_FRAG 0x000F | |
98 | #define IEEE80211_SCTL_SEQ 0xFFF0 | |
99 | ||
b453872c JG |
100 | /* debug macros */ |
101 | ||
102 | #ifdef CONFIG_IEEE80211_DEBUG | |
103 | extern u32 ieee80211_debug_level; | |
104 | #define IEEE80211_DEBUG(level, fmt, args...) \ | |
105 | do { if (ieee80211_debug_level & (level)) \ | |
106 | printk(KERN_DEBUG "ieee80211: %c %s " fmt, \ | |
107 | in_interrupt() ? 'I' : 'U', __FUNCTION__ , ## args); } while (0) | |
108 | #else | |
109 | #define IEEE80211_DEBUG(level, fmt, args...) do {} while (0) | |
74079fdc | 110 | #endif /* CONFIG_IEEE80211_DEBUG */ |
e88187ee JB |
111 | |
112 | /* debug macros not dependent on CONFIG_IEEE80211_DEBUG */ | |
113 | ||
114 | #define MAC_FMT "%02x:%02x:%02x:%02x:%02x:%02x" | |
115 | #define MAC_ARG(x) ((u8*)(x))[0],((u8*)(x))[1],((u8*)(x))[2],((u8*)(x))[3],((u8*)(x))[4],((u8*)(x))[5] | |
116 | ||
117 | /* escape_essid() is intended to be used in debug (and possibly error) | |
118 | * messages. It should never be used for passing essid to user space. */ | |
119 | const char *escape_essid(const char *essid, u8 essid_len); | |
120 | ||
b453872c | 121 | /* |
e88187ee | 122 | * To use the debug system: |
b453872c JG |
123 | * |
124 | * If you are defining a new debug classification, simply add it to the #define | |
125 | * list here in the form of: | |
126 | * | |
127 | * #define IEEE80211_DL_xxxx VALUE | |
128 | * | |
129 | * shifting value to the left one bit from the previous entry. xxxx should be | |
130 | * the name of the classification (for example, WEP) | |
131 | * | |
132 | * You then need to either add a IEEE80211_xxxx_DEBUG() macro definition for your | |
133 | * classification, or use IEEE80211_DEBUG(IEEE80211_DL_xxxx, ...) whenever you want | |
134 | * to send output to that classification. | |
135 | * | |
136 | * To add your debug level to the list of levels seen when you perform | |
137 | * | |
91cb70c1 | 138 | * % cat /proc/net/ieee80211/debug_level |
b453872c | 139 | * |
91cb70c1 | 140 | * you simply need to add your entry to the ieee80211_debug_level array. |
b453872c | 141 | * |
91cb70c1 | 142 | * If you do not see debug_level in /proc/net/ieee80211 then you do not have |
b453872c JG |
143 | * CONFIG_IEEE80211_DEBUG defined in your kernel configuration |
144 | * | |
145 | */ | |
146 | ||
147 | #define IEEE80211_DL_INFO (1<<0) | |
148 | #define IEEE80211_DL_WX (1<<1) | |
149 | #define IEEE80211_DL_SCAN (1<<2) | |
150 | #define IEEE80211_DL_STATE (1<<3) | |
151 | #define IEEE80211_DL_MGMT (1<<4) | |
152 | #define IEEE80211_DL_FRAG (1<<5) | |
b453872c JG |
153 | #define IEEE80211_DL_DROP (1<<7) |
154 | ||
155 | #define IEEE80211_DL_TX (1<<8) | |
156 | #define IEEE80211_DL_RX (1<<9) | |
9e8571af | 157 | #define IEEE80211_DL_QOS (1<<31) |
b453872c JG |
158 | |
159 | #define IEEE80211_ERROR(f, a...) printk(KERN_ERR "ieee80211: " f, ## a) | |
160 | #define IEEE80211_WARNING(f, a...) printk(KERN_WARNING "ieee80211: " f, ## a) | |
161 | #define IEEE80211_DEBUG_INFO(f, a...) IEEE80211_DEBUG(IEEE80211_DL_INFO, f, ## a) | |
162 | ||
163 | #define IEEE80211_DEBUG_WX(f, a...) IEEE80211_DEBUG(IEEE80211_DL_WX, f, ## a) | |
164 | #define IEEE80211_DEBUG_SCAN(f, a...) IEEE80211_DEBUG(IEEE80211_DL_SCAN, f, ## a) | |
165 | #define IEEE80211_DEBUG_STATE(f, a...) IEEE80211_DEBUG(IEEE80211_DL_STATE, f, ## a) | |
166 | #define IEEE80211_DEBUG_MGMT(f, a...) IEEE80211_DEBUG(IEEE80211_DL_MGMT, f, ## a) | |
167 | #define IEEE80211_DEBUG_FRAG(f, a...) IEEE80211_DEBUG(IEEE80211_DL_FRAG, f, ## a) | |
b453872c JG |
168 | #define IEEE80211_DEBUG_DROP(f, a...) IEEE80211_DEBUG(IEEE80211_DL_DROP, f, ## a) |
169 | #define IEEE80211_DEBUG_TX(f, a...) IEEE80211_DEBUG(IEEE80211_DL_TX, f, ## a) | |
170 | #define IEEE80211_DEBUG_RX(f, a...) IEEE80211_DEBUG(IEEE80211_DL_RX, f, ## a) | |
9e8571af | 171 | #define IEEE80211_DEBUG_QOS(f, a...) IEEE80211_DEBUG(IEEE80211_DL_QOS, f, ## a) |
b453872c JG |
172 | #include <linux/netdevice.h> |
173 | #include <linux/wireless.h> | |
74079fdc | 174 | #include <linux/if_arp.h> /* ARPHRD_ETHER */ |
b453872c JG |
175 | |
176 | #ifndef WIRELESS_SPY | |
099c5bb1 | 177 | #define WIRELESS_SPY /* enable iwspy support */ |
b453872c | 178 | #endif |
099c5bb1 | 179 | #include <net/iw_handler.h> /* new driver API */ |
b453872c JG |
180 | |
181 | #ifndef ETH_P_PAE | |
74079fdc JK |
182 | #define ETH_P_PAE 0x888E /* Port Access Entity (IEEE 802.1X) */ |
183 | #endif /* ETH_P_PAE */ | |
b453872c | 184 | |
74079fdc | 185 | #define ETH_P_PREAUTH 0x88C7 /* IEEE 802.11i pre-authentication */ |
b453872c JG |
186 | |
187 | #ifndef ETH_P_80211_RAW | |
188 | #define ETH_P_80211_RAW (ETH_P_ECONET + 1) | |
189 | #endif | |
190 | ||
191 | /* IEEE 802.11 defines */ | |
192 | ||
193 | #define P80211_OUI_LEN 3 | |
194 | ||
195 | struct ieee80211_snap_hdr { | |
196 | ||
74079fdc JK |
197 | u8 dsap; /* always 0xAA */ |
198 | u8 ssap; /* always 0xAA */ | |
199 | u8 ctrl; /* always 0x03 */ | |
200 | u8 oui[P80211_OUI_LEN]; /* organizational universal id */ | |
b453872c JG |
201 | |
202 | } __attribute__ ((packed)); | |
203 | ||
204 | #define SNAP_SIZE sizeof(struct ieee80211_snap_hdr) | |
205 | ||
f13baae4 | 206 | #define WLAN_FC_GET_VERS(fc) ((fc) & IEEE80211_FCTL_VERS) |
b453872c JG |
207 | #define WLAN_FC_GET_TYPE(fc) ((fc) & IEEE80211_FCTL_FTYPE) |
208 | #define WLAN_FC_GET_STYPE(fc) ((fc) & IEEE80211_FCTL_STYPE) | |
209 | ||
210 | #define WLAN_GET_SEQ_FRAG(seq) ((seq) & IEEE80211_SCTL_FRAG) | |
211 | #define WLAN_GET_SEQ_SEQ(seq) ((seq) & IEEE80211_SCTL_SEQ) | |
212 | ||
213 | /* Authentication algorithms */ | |
214 | #define WLAN_AUTH_OPEN 0 | |
215 | #define WLAN_AUTH_SHARED_KEY 1 | |
216 | ||
217 | #define WLAN_AUTH_CHALLENGE_LEN 128 | |
218 | ||
2474385e | 219 | #define WLAN_CAPABILITY_ESS (1<<0) |
b453872c JG |
220 | #define WLAN_CAPABILITY_IBSS (1<<1) |
221 | #define WLAN_CAPABILITY_CF_POLLABLE (1<<2) | |
222 | #define WLAN_CAPABILITY_CF_POLL_REQUEST (1<<3) | |
223 | #define WLAN_CAPABILITY_PRIVACY (1<<4) | |
224 | #define WLAN_CAPABILITY_SHORT_PREAMBLE (1<<5) | |
225 | #define WLAN_CAPABILITY_PBCC (1<<6) | |
226 | #define WLAN_CAPABILITY_CHANNEL_AGILITY (1<<7) | |
f13baae4 JB |
227 | #define WLAN_CAPABILITY_SPECTRUM_MGMT (1<<8) |
228 | #define WLAN_CAPABILITY_SHORT_SLOT_TIME (1<<10) | |
229 | #define WLAN_CAPABILITY_OSSS_OFDM (1<<13) | |
b453872c JG |
230 | |
231 | /* Status codes */ | |
95d5185d JB |
232 | enum ieee80211_statuscode { |
233 | WLAN_STATUS_SUCCESS = 0, | |
234 | WLAN_STATUS_UNSPECIFIED_FAILURE = 1, | |
235 | WLAN_STATUS_CAPS_UNSUPPORTED = 10, | |
236 | WLAN_STATUS_REASSOC_NO_ASSOC = 11, | |
237 | WLAN_STATUS_ASSOC_DENIED_UNSPEC = 12, | |
238 | WLAN_STATUS_NOT_SUPPORTED_AUTH_ALG = 13, | |
239 | WLAN_STATUS_UNKNOWN_AUTH_TRANSACTION = 14, | |
240 | WLAN_STATUS_CHALLENGE_FAIL = 15, | |
241 | WLAN_STATUS_AUTH_TIMEOUT = 16, | |
242 | WLAN_STATUS_AP_UNABLE_TO_HANDLE_NEW_STA = 17, | |
243 | WLAN_STATUS_ASSOC_DENIED_RATES = 18, | |
244 | /* 802.11b */ | |
245 | WLAN_STATUS_ASSOC_DENIED_NOSHORTPREAMBLE = 19, | |
246 | WLAN_STATUS_ASSOC_DENIED_NOPBCC = 20, | |
247 | WLAN_STATUS_ASSOC_DENIED_NOAGILITY = 21, | |
248 | /* 802.11h */ | |
249 | WLAN_STATUS_ASSOC_DENIED_NOSPECTRUM = 22, | |
250 | WLAN_STATUS_ASSOC_REJECTED_BAD_POWER = 23, | |
251 | WLAN_STATUS_ASSOC_REJECTED_BAD_SUPP_CHAN = 24, | |
252 | /* 802.11g */ | |
253 | WLAN_STATUS_ASSOC_DENIED_NOSHORTTIME = 25, | |
254 | WLAN_STATUS_ASSOC_DENIED_NODSSSOFDM = 26, | |
255 | /* 802.11i */ | |
256 | WLAN_STATUS_INVALID_IE = 40, | |
257 | WLAN_STATUS_INVALID_GROUP_CIPHER = 41, | |
258 | WLAN_STATUS_INVALID_PAIRWISE_CIPHER = 42, | |
259 | WLAN_STATUS_INVALID_AKMP = 43, | |
260 | WLAN_STATUS_UNSUPP_RSN_VERSION = 44, | |
261 | WLAN_STATUS_INVALID_RSN_IE_CAP = 45, | |
262 | WLAN_STATUS_CIPHER_SUITE_REJECTED = 46, | |
263 | }; | |
b453872c JG |
264 | |
265 | /* Reason codes */ | |
95d5185d JB |
266 | enum ieee80211_reasoncode { |
267 | WLAN_REASON_UNSPECIFIED = 1, | |
268 | WLAN_REASON_PREV_AUTH_NOT_VALID = 2, | |
269 | WLAN_REASON_DEAUTH_LEAVING = 3, | |
270 | WLAN_REASON_DISASSOC_DUE_TO_INACTIVITY = 4, | |
271 | WLAN_REASON_DISASSOC_AP_BUSY = 5, | |
272 | WLAN_REASON_CLASS2_FRAME_FROM_NONAUTH_STA = 6, | |
273 | WLAN_REASON_CLASS3_FRAME_FROM_NONASSOC_STA = 7, | |
274 | WLAN_REASON_DISASSOC_STA_HAS_LEFT = 8, | |
275 | WLAN_REASON_STA_REQ_ASSOC_WITHOUT_AUTH = 9, | |
276 | /* 802.11h */ | |
277 | WLAN_REASON_DISASSOC_BAD_POWER = 10, | |
278 | WLAN_REASON_DISASSOC_BAD_SUPP_CHAN = 11, | |
279 | /* 802.11i */ | |
280 | WLAN_REASON_INVALID_IE = 13, | |
281 | WLAN_REASON_MIC_FAILURE = 14, | |
282 | WLAN_REASON_4WAY_HANDSHAKE_TIMEOUT = 15, | |
283 | WLAN_REASON_GROUP_KEY_HANDSHAKE_TIMEOUT = 16, | |
284 | WLAN_REASON_IE_DIFFERENT = 17, | |
285 | WLAN_REASON_INVALID_GROUP_CIPHER = 18, | |
286 | WLAN_REASON_INVALID_PAIRWISE_CIPHER = 19, | |
287 | WLAN_REASON_INVALID_AKMP = 20, | |
288 | WLAN_REASON_UNSUPP_RSN_VERSION = 21, | |
289 | WLAN_REASON_INVALID_RSN_IE_CAP = 22, | |
290 | WLAN_REASON_IEEE8021X_FAILED = 23, | |
291 | WLAN_REASON_CIPHER_SUITE_REJECTED = 24, | |
292 | }; | |
b453872c | 293 | |
b453872c JG |
294 | #define IEEE80211_STATMASK_SIGNAL (1<<0) |
295 | #define IEEE80211_STATMASK_RSSI (1<<1) | |
296 | #define IEEE80211_STATMASK_NOISE (1<<2) | |
297 | #define IEEE80211_STATMASK_RATE (1<<3) | |
298 | #define IEEE80211_STATMASK_WEMASK 0x7 | |
299 | ||
b453872c JG |
300 | #define IEEE80211_CCK_MODULATION (1<<0) |
301 | #define IEEE80211_OFDM_MODULATION (1<<1) | |
302 | ||
303 | #define IEEE80211_24GHZ_BAND (1<<0) | |
304 | #define IEEE80211_52GHZ_BAND (1<<1) | |
305 | ||
306 | #define IEEE80211_CCK_RATE_1MB 0x02 | |
307 | #define IEEE80211_CCK_RATE_2MB 0x04 | |
308 | #define IEEE80211_CCK_RATE_5MB 0x0B | |
309 | #define IEEE80211_CCK_RATE_11MB 0x16 | |
310 | #define IEEE80211_OFDM_RATE_6MB 0x0C | |
311 | #define IEEE80211_OFDM_RATE_9MB 0x12 | |
312 | #define IEEE80211_OFDM_RATE_12MB 0x18 | |
313 | #define IEEE80211_OFDM_RATE_18MB 0x24 | |
314 | #define IEEE80211_OFDM_RATE_24MB 0x30 | |
315 | #define IEEE80211_OFDM_RATE_36MB 0x48 | |
316 | #define IEEE80211_OFDM_RATE_48MB 0x60 | |
317 | #define IEEE80211_OFDM_RATE_54MB 0x6C | |
318 | #define IEEE80211_BASIC_RATE_MASK 0x80 | |
319 | ||
320 | #define IEEE80211_CCK_RATE_1MB_MASK (1<<0) | |
321 | #define IEEE80211_CCK_RATE_2MB_MASK (1<<1) | |
322 | #define IEEE80211_CCK_RATE_5MB_MASK (1<<2) | |
323 | #define IEEE80211_CCK_RATE_11MB_MASK (1<<3) | |
324 | #define IEEE80211_OFDM_RATE_6MB_MASK (1<<4) | |
325 | #define IEEE80211_OFDM_RATE_9MB_MASK (1<<5) | |
326 | #define IEEE80211_OFDM_RATE_12MB_MASK (1<<6) | |
327 | #define IEEE80211_OFDM_RATE_18MB_MASK (1<<7) | |
328 | #define IEEE80211_OFDM_RATE_24MB_MASK (1<<8) | |
329 | #define IEEE80211_OFDM_RATE_36MB_MASK (1<<9) | |
330 | #define IEEE80211_OFDM_RATE_48MB_MASK (1<<10) | |
331 | #define IEEE80211_OFDM_RATE_54MB_MASK (1<<11) | |
332 | ||
333 | #define IEEE80211_CCK_RATES_MASK 0x0000000F | |
334 | #define IEEE80211_CCK_BASIC_RATES_MASK (IEEE80211_CCK_RATE_1MB_MASK | \ | |
335 | IEEE80211_CCK_RATE_2MB_MASK) | |
336 | #define IEEE80211_CCK_DEFAULT_RATES_MASK (IEEE80211_CCK_BASIC_RATES_MASK | \ | |
337 | IEEE80211_CCK_RATE_5MB_MASK | \ | |
338 | IEEE80211_CCK_RATE_11MB_MASK) | |
339 | ||
340 | #define IEEE80211_OFDM_RATES_MASK 0x00000FF0 | |
341 | #define IEEE80211_OFDM_BASIC_RATES_MASK (IEEE80211_OFDM_RATE_6MB_MASK | \ | |
342 | IEEE80211_OFDM_RATE_12MB_MASK | \ | |
343 | IEEE80211_OFDM_RATE_24MB_MASK) | |
344 | #define IEEE80211_OFDM_DEFAULT_RATES_MASK (IEEE80211_OFDM_BASIC_RATES_MASK | \ | |
345 | IEEE80211_OFDM_RATE_9MB_MASK | \ | |
346 | IEEE80211_OFDM_RATE_18MB_MASK | \ | |
347 | IEEE80211_OFDM_RATE_36MB_MASK | \ | |
348 | IEEE80211_OFDM_RATE_48MB_MASK | \ | |
349 | IEEE80211_OFDM_RATE_54MB_MASK) | |
350 | #define IEEE80211_DEFAULT_RATES_MASK (IEEE80211_OFDM_DEFAULT_RATES_MASK | \ | |
351 | IEEE80211_CCK_DEFAULT_RATES_MASK) | |
352 | ||
353 | #define IEEE80211_NUM_OFDM_RATES 8 | |
354 | #define IEEE80211_NUM_CCK_RATES 4 | |
355 | #define IEEE80211_OFDM_SHIFT_MASK_A 4 | |
356 | ||
b453872c JG |
357 | /* NOTE: This data is for statistical purposes; not all hardware provides this |
358 | * information for frames received. Not setting these will not cause | |
359 | * any adverse affects. */ | |
360 | struct ieee80211_rx_stats { | |
361 | u32 mac_time; | |
362 | s8 rssi; | |
363 | u8 signal; | |
364 | u8 noise; | |
74079fdc | 365 | u16 rate; /* in 100 kbps */ |
b453872c JG |
366 | u8 received_channel; |
367 | u8 control; | |
368 | u8 mask; | |
369 | u8 freq; | |
370 | u16 len; | |
371 | }; | |
372 | ||
373 | /* IEEE 802.11 requires that STA supports concurrent reception of at least | |
374 | * three fragmented frames. This define can be increased to support more | |
375 | * concurrent frames, but it should be noted that each entry can consume about | |
376 | * 2 kB of RAM and increasing cache size will slow down frame reassembly. */ | |
377 | #define IEEE80211_FRAG_CACHE_LEN 4 | |
378 | ||
379 | struct ieee80211_frag_entry { | |
380 | unsigned long first_frag_time; | |
381 | unsigned int seq; | |
382 | unsigned int last_frag; | |
383 | struct sk_buff *skb; | |
384 | u8 src_addr[ETH_ALEN]; | |
385 | u8 dst_addr[ETH_ALEN]; | |
386 | }; | |
387 | ||
388 | struct ieee80211_stats { | |
389 | unsigned int tx_unicast_frames; | |
390 | unsigned int tx_multicast_frames; | |
391 | unsigned int tx_fragments; | |
392 | unsigned int tx_unicast_octets; | |
393 | unsigned int tx_multicast_octets; | |
394 | unsigned int tx_deferred_transmissions; | |
395 | unsigned int tx_single_retry_frames; | |
396 | unsigned int tx_multiple_retry_frames; | |
397 | unsigned int tx_retry_limit_exceeded; | |
398 | unsigned int tx_discards; | |
399 | unsigned int rx_unicast_frames; | |
400 | unsigned int rx_multicast_frames; | |
401 | unsigned int rx_fragments; | |
402 | unsigned int rx_unicast_octets; | |
403 | unsigned int rx_multicast_octets; | |
404 | unsigned int rx_fcs_errors; | |
405 | unsigned int rx_discards_no_buffer; | |
406 | unsigned int tx_discards_wrong_sa; | |
407 | unsigned int rx_discards_undecryptable; | |
408 | unsigned int rx_message_in_msg_fragments; | |
409 | unsigned int rx_message_in_bad_msg_fragments; | |
410 | }; | |
411 | ||
412 | struct ieee80211_device; | |
413 | ||
414 | #include "ieee80211_crypt.h" | |
415 | ||
f1bf6638 JK |
416 | #define SEC_KEY_1 (1<<0) |
417 | #define SEC_KEY_2 (1<<1) | |
418 | #define SEC_KEY_3 (1<<2) | |
419 | #define SEC_KEY_4 (1<<3) | |
420 | #define SEC_ACTIVE_KEY (1<<4) | |
421 | #define SEC_AUTH_MODE (1<<5) | |
422 | #define SEC_UNICAST_GROUP (1<<6) | |
423 | #define SEC_LEVEL (1<<7) | |
424 | #define SEC_ENABLED (1<<8) | |
259bf1fd | 425 | #define SEC_ENCRYPT (1<<9) |
f1bf6638 JK |
426 | |
427 | #define SEC_LEVEL_0 0 /* None */ | |
428 | #define SEC_LEVEL_1 1 /* WEP 40 and 104 bit */ | |
429 | #define SEC_LEVEL_2 2 /* Level 1 + TKIP */ | |
430 | #define SEC_LEVEL_2_CKIP 3 /* Level 1 + CKIP */ | |
431 | #define SEC_LEVEL_3 4 /* Level 2 + CCMP */ | |
432 | ||
e0d369d1 JK |
433 | #define SEC_ALG_NONE 0 |
434 | #define SEC_ALG_WEP 1 | |
435 | #define SEC_ALG_TKIP 2 | |
436 | #define SEC_ALG_CCMP 3 | |
437 | ||
f1bf6638 JK |
438 | #define WEP_KEYS 4 |
439 | #define WEP_KEY_LEN 13 | |
440 | #define SCM_KEY_LEN 32 | |
441 | #define SCM_TEMPORAL_KEY_LENGTH 16 | |
b453872c JG |
442 | |
443 | struct ieee80211_security { | |
444 | u16 active_key:2, | |
f1bf6638 JK |
445 | enabled:1, |
446 | auth_mode:2, auth_algo:4, unicast_uses_group:1, encrypt:1; | |
e0d369d1 | 447 | u8 encode_alg[WEP_KEYS]; |
b453872c | 448 | u8 key_sizes[WEP_KEYS]; |
f1bf6638 | 449 | u8 keys[WEP_KEYS][SCM_KEY_LEN]; |
b453872c JG |
450 | u8 level; |
451 | u16 flags; | |
452 | } __attribute__ ((packed)); | |
453 | ||
b453872c JG |
454 | /* |
455 | ||
456 | 802.11 data frame from AP | |
457 | ||
458 | ,-------------------------------------------------------------------. | |
459 | Bytes | 2 | 2 | 6 | 6 | 6 | 2 | 0..2312 | 4 | | |
460 | |------|------|---------|---------|---------|------|---------|------| | |
461 | Desc. | ctrl | dura | DA/RA | TA | SA | Sequ | frame | fcs | | |
462 | | | tion | (BSSID) | | | ence | data | | | |
463 | `-------------------------------------------------------------------' | |
464 | ||
465 | Total: 28-2340 bytes | |
466 | ||
467 | */ | |
468 | ||
b453872c JG |
469 | #define BEACON_PROBE_SSID_ID_POSITION 12 |
470 | ||
471 | /* Management Frame Information Element Types */ | |
95d5185d JB |
472 | enum ieee80211_mfie { |
473 | MFIE_TYPE_SSID = 0, | |
474 | MFIE_TYPE_RATES = 1, | |
475 | MFIE_TYPE_FH_SET = 2, | |
476 | MFIE_TYPE_DS_SET = 3, | |
74079fdc | 477 | MFIE_TYPE_CF_SET = 4, |
95d5185d JB |
478 | MFIE_TYPE_TIM = 5, |
479 | MFIE_TYPE_IBSS_SET = 6, | |
480 | MFIE_TYPE_COUNTRY = 7, | |
481 | MFIE_TYPE_HOP_PARAMS = 8, | |
482 | MFIE_TYPE_HOP_TABLE = 9, | |
483 | MFIE_TYPE_REQUEST = 10, | |
484 | MFIE_TYPE_CHALLENGE = 16, | |
485 | MFIE_TYPE_POWER_CONSTRAINT = 32, | |
486 | MFIE_TYPE_POWER_CAPABILITY = 33, | |
487 | MFIE_TYPE_TPC_REQUEST = 34, | |
488 | MFIE_TYPE_TPC_REPORT = 35, | |
489 | MFIE_TYPE_SUPP_CHANNELS = 36, | |
490 | MFIE_TYPE_CSA = 37, | |
491 | MFIE_TYPE_MEASURE_REQUEST = 38, | |
492 | MFIE_TYPE_MEASURE_REPORT = 39, | |
493 | MFIE_TYPE_QUIET = 40, | |
494 | MFIE_TYPE_IBSS_DFS = 41, | |
495 | MFIE_TYPE_ERP_INFO = 42, | |
496 | MFIE_TYPE_RSN = 48, | |
497 | MFIE_TYPE_RATES_EX = 50, | |
498 | MFIE_TYPE_GENERIC = 221, | |
9e8571af | 499 | MFIE_TYPE_QOS_PARAMETER = 222, |
95d5185d | 500 | }; |
b453872c | 501 | |
ee34af37 JK |
502 | /* Minimal header; can be used for passing 802.11 frames with sufficient |
503 | * information to determine what type of underlying data type is actually | |
504 | * stored in the data. */ | |
505 | struct ieee80211_hdr { | |
cdcfc210 JK |
506 | __le16 frame_ctl; |
507 | __le16 duration_id; | |
ee34af37 JK |
508 | u8 payload[0]; |
509 | } __attribute__ ((packed)); | |
510 | ||
511 | struct ieee80211_hdr_1addr { | |
cdcfc210 JK |
512 | __le16 frame_ctl; |
513 | __le16 duration_id; | |
ee34af37 JK |
514 | u8 addr1[ETH_ALEN]; |
515 | u8 payload[0]; | |
516 | } __attribute__ ((packed)); | |
517 | ||
518 | struct ieee80211_hdr_2addr { | |
cdcfc210 JK |
519 | __le16 frame_ctl; |
520 | __le16 duration_id; | |
ee34af37 JK |
521 | u8 addr1[ETH_ALEN]; |
522 | u8 addr2[ETH_ALEN]; | |
523 | u8 payload[0]; | |
524 | } __attribute__ ((packed)); | |
525 | ||
526 | struct ieee80211_hdr_3addr { | |
cdcfc210 JK |
527 | __le16 frame_ctl; |
528 | __le16 duration_id; | |
ee34af37 JK |
529 | u8 addr1[ETH_ALEN]; |
530 | u8 addr2[ETH_ALEN]; | |
531 | u8 addr3[ETH_ALEN]; | |
cdcfc210 | 532 | __le16 seq_ctl; |
ee34af37 JK |
533 | u8 payload[0]; |
534 | } __attribute__ ((packed)); | |
535 | ||
536 | struct ieee80211_hdr_4addr { | |
cdcfc210 JK |
537 | __le16 frame_ctl; |
538 | __le16 duration_id; | |
ee34af37 JK |
539 | u8 addr1[ETH_ALEN]; |
540 | u8 addr2[ETH_ALEN]; | |
541 | u8 addr3[ETH_ALEN]; | |
cdcfc210 | 542 | __le16 seq_ctl; |
ee34af37 JK |
543 | u8 addr4[ETH_ALEN]; |
544 | u8 payload[0]; | |
545 | } __attribute__ ((packed)); | |
546 | ||
9e8571af | 547 | struct ieee80211_hdr_3addrqos { |
cdcfc210 JK |
548 | __le16 frame_ctl; |
549 | __le16 duration_id; | |
9e8571af JK |
550 | u8 addr1[ETH_ALEN]; |
551 | u8 addr2[ETH_ALEN]; | |
552 | u8 addr3[ETH_ALEN]; | |
cdcfc210 | 553 | __le16 seq_ctl; |
9e8571af | 554 | u8 payload[0]; |
cdcfc210 | 555 | __le16 qos_ctl; |
9e8571af JK |
556 | } __attribute__ ((packed)); |
557 | ||
558 | struct ieee80211_hdr_4addrqos { | |
cdcfc210 JK |
559 | __le16 frame_ctl; |
560 | __le16 duration_id; | |
9e8571af JK |
561 | u8 addr1[ETH_ALEN]; |
562 | u8 addr2[ETH_ALEN]; | |
563 | u8 addr3[ETH_ALEN]; | |
cdcfc210 | 564 | __le16 seq_ctl; |
9e8571af JK |
565 | u8 addr4[ETH_ALEN]; |
566 | u8 payload[0]; | |
cdcfc210 | 567 | __le16 qos_ctl; |
9e8571af JK |
568 | } __attribute__ ((packed)); |
569 | ||
b453872c JG |
570 | struct ieee80211_info_element { |
571 | u8 id; | |
572 | u8 len; | |
573 | u8 data[0]; | |
574 | } __attribute__ ((packed)); | |
575 | ||
576 | /* | |
577 | * These are the data types that can make up management packets | |
578 | * | |
579 | u16 auth_algorithm; | |
580 | u16 auth_sequence; | |
581 | u16 beacon_interval; | |
582 | u16 capability; | |
583 | u8 current_ap[ETH_ALEN]; | |
584 | u16 listen_interval; | |
585 | struct { | |
586 | u16 association_id:14, reserved:2; | |
587 | } __attribute__ ((packed)); | |
588 | u32 time_stamp[2]; | |
589 | u16 reason; | |
590 | u16 status; | |
591 | */ | |
592 | ||
ee34af37 | 593 | struct ieee80211_auth { |
286d9747 | 594 | struct ieee80211_hdr_3addr header; |
099c5bb1 JB |
595 | __le16 algorithm; |
596 | __le16 transaction; | |
597 | __le16 status; | |
68e4e036 | 598 | struct ieee80211_info_element info_element[0]; |
b453872c JG |
599 | } __attribute__ ((packed)); |
600 | ||
ee34af37 JK |
601 | struct ieee80211_disassoc { |
602 | struct ieee80211_hdr_3addr header; | |
cdcfc210 | 603 | __le16 reason_code; |
ee34af37 JK |
604 | struct ieee80211_info_element info_element[0]; |
605 | } __attribute__ ((packed)); | |
606 | ||
607 | struct ieee80211_probe_request { | |
608 | struct ieee80211_hdr_3addr header; | |
609 | struct ieee80211_info_element info_element[0]; | |
610 | } __attribute__ ((packed)); | |
611 | ||
b453872c | 612 | struct ieee80211_probe_response { |
286d9747 | 613 | struct ieee80211_hdr_3addr header; |
b453872c | 614 | u32 time_stamp[2]; |
099c5bb1 JB |
615 | __le16 beacon_interval; |
616 | __le16 capability; | |
68e4e036 | 617 | struct ieee80211_info_element info_element[0]; |
b453872c JG |
618 | } __attribute__ ((packed)); |
619 | ||
ee34af37 JK |
620 | /* Alias beacon for probe_response */ |
621 | #define ieee80211_beacon ieee80211_probe_response | |
622 | ||
623 | struct ieee80211_assoc_request { | |
624 | struct ieee80211_hdr_3addr header; | |
cdcfc210 JK |
625 | __le16 capability; |
626 | __le16 listen_interval; | |
ee34af37 JK |
627 | struct ieee80211_info_element info_element[0]; |
628 | } __attribute__ ((packed)); | |
629 | ||
630 | struct ieee80211_reassoc_request { | |
631 | struct ieee80211_hdr_3addr header; | |
099c5bb1 JB |
632 | __le16 capability; |
633 | __le16 listen_interval; | |
b453872c | 634 | u8 current_ap[ETH_ALEN]; |
68e4e036 | 635 | struct ieee80211_info_element info_element[0]; |
b453872c JG |
636 | } __attribute__ ((packed)); |
637 | ||
ee34af37 | 638 | struct ieee80211_assoc_response { |
b453872c | 639 | struct ieee80211_hdr_3addr header; |
099c5bb1 JB |
640 | __le16 capability; |
641 | __le16 status; | |
642 | __le16 aid; | |
68e4e036 | 643 | struct ieee80211_info_element info_element[0]; /* supported rates */ |
b453872c JG |
644 | } __attribute__ ((packed)); |
645 | ||
b453872c JG |
646 | struct ieee80211_txb { |
647 | u8 nr_frags; | |
648 | u8 encrypted; | |
ee34af37 JK |
649 | u8 rts_included; |
650 | u8 reserved; | |
cdcfc210 JK |
651 | __le16 frag_size; |
652 | __le16 payload_size; | |
b453872c JG |
653 | struct sk_buff *fragments[0]; |
654 | }; | |
655 | ||
099c5bb1 | 656 | /* SWEEP TABLE ENTRIES NUMBER */ |
b453872c JG |
657 | #define MAX_SWEEP_TAB_ENTRIES 42 |
658 | #define MAX_SWEEP_TAB_ENTRIES_PER_PACKET 7 | |
659 | /* MAX_RATES_LENGTH needs to be 12. The spec says 8, and many APs | |
660 | * only use 8, and then use extended rates for the remaining supported | |
661 | * rates. Other APs, however, stick all of their supported rates on the | |
662 | * main rates information element... */ | |
663 | #define MAX_RATES_LENGTH ((u8)12) | |
664 | #define MAX_RATES_EX_LENGTH ((u8)16) | |
665 | #define MAX_NETWORK_COUNT 128 | |
666 | ||
667 | #define CRC_LENGTH 4U | |
668 | ||
669 | #define MAX_WPA_IE_LEN 64 | |
670 | ||
9e8571af JK |
671 | #define NETWORK_EMPTY_ESSID (1<<0) |
672 | #define NETWORK_HAS_OFDM (1<<1) | |
673 | #define NETWORK_HAS_CCK (1<<2) | |
674 | ||
675 | /* QoS structure */ | |
676 | #define NETWORK_HAS_QOS_PARAMETERS (1<<3) | |
677 | #define NETWORK_HAS_QOS_INFORMATION (1<<4) | |
678 | #define NETWORK_HAS_QOS_MASK (NETWORK_HAS_QOS_PARAMETERS | NETWORK_HAS_QOS_INFORMATION) | |
679 | ||
680 | #define QOS_QUEUE_NUM 4 | |
681 | #define QOS_OUI_LEN 3 | |
682 | #define QOS_OUI_TYPE 2 | |
683 | #define QOS_ELEMENT_ID 221 | |
684 | #define QOS_OUI_INFO_SUB_TYPE 0 | |
685 | #define QOS_OUI_PARAM_SUB_TYPE 1 | |
686 | #define QOS_VERSION_1 1 | |
687 | #define QOS_AIFSN_MIN_VALUE 2 | |
688 | ||
689 | struct ieee80211_qos_information_element { | |
690 | u8 elementID; | |
691 | u8 length; | |
692 | u8 qui[QOS_OUI_LEN]; | |
693 | u8 qui_type; | |
694 | u8 qui_subtype; | |
695 | u8 version; | |
696 | u8 ac_info; | |
697 | } __attribute__ ((packed)); | |
698 | ||
699 | struct ieee80211_qos_ac_parameter { | |
700 | u8 aci_aifsn; | |
701 | u8 ecw_min_max; | |
cdcfc210 | 702 | __le16 tx_op_limit; |
9e8571af JK |
703 | } __attribute__ ((packed)); |
704 | ||
705 | struct ieee80211_qos_parameter_info { | |
706 | struct ieee80211_qos_information_element info_element; | |
707 | u8 reserved; | |
708 | struct ieee80211_qos_ac_parameter ac_params_record[QOS_QUEUE_NUM]; | |
709 | } __attribute__ ((packed)); | |
710 | ||
711 | struct ieee80211_qos_parameters { | |
cdcfc210 JK |
712 | __le16 cw_min[QOS_QUEUE_NUM]; |
713 | __le16 cw_max[QOS_QUEUE_NUM]; | |
9e8571af JK |
714 | u8 aifs[QOS_QUEUE_NUM]; |
715 | u8 flag[QOS_QUEUE_NUM]; | |
cdcfc210 | 716 | __le16 tx_op_limit[QOS_QUEUE_NUM]; |
9e8571af JK |
717 | } __attribute__ ((packed)); |
718 | ||
719 | struct ieee80211_qos_data { | |
720 | struct ieee80211_qos_parameters parameters; | |
721 | int active; | |
722 | int supported; | |
723 | u8 param_count; | |
724 | u8 old_param_count; | |
725 | }; | |
726 | ||
727 | struct ieee80211_tim_parameters { | |
728 | u8 tim_count; | |
729 | u8 tim_period; | |
730 | } __attribute__ ((packed)); | |
731 | ||
732 | /*******************************************************/ | |
b453872c JG |
733 | |
734 | struct ieee80211_network { | |
735 | /* These entries are used to identify a unique network */ | |
736 | u8 bssid[ETH_ALEN]; | |
737 | u8 channel; | |
738 | /* Ensure null-terminated for any debug msgs */ | |
739 | u8 ssid[IW_ESSID_MAX_SIZE + 1]; | |
740 | u8 ssid_len; | |
741 | ||
9e8571af JK |
742 | struct ieee80211_qos_data qos_data; |
743 | ||
b453872c JG |
744 | /* These are network statistics */ |
745 | struct ieee80211_rx_stats stats; | |
746 | u16 capability; | |
747 | u8 rates[MAX_RATES_LENGTH]; | |
748 | u8 rates_len; | |
749 | u8 rates_ex[MAX_RATES_EX_LENGTH]; | |
750 | u8 rates_ex_len; | |
751 | unsigned long last_scanned; | |
752 | u8 mode; | |
753 | u8 flags; | |
754 | u32 last_associate; | |
755 | u32 time_stamp[2]; | |
756 | u16 beacon_interval; | |
757 | u16 listen_interval; | |
758 | u16 atim_window; | |
759 | u8 wpa_ie[MAX_WPA_IE_LEN]; | |
760 | size_t wpa_ie_len; | |
761 | u8 rsn_ie[MAX_WPA_IE_LEN]; | |
762 | size_t rsn_ie_len; | |
9e8571af | 763 | struct ieee80211_tim_parameters tim; |
b453872c JG |
764 | struct list_head list; |
765 | }; | |
766 | ||
767 | enum ieee80211_state { | |
768 | IEEE80211_UNINITIALIZED = 0, | |
769 | IEEE80211_INITIALIZED, | |
770 | IEEE80211_ASSOCIATING, | |
771 | IEEE80211_ASSOCIATED, | |
772 | IEEE80211_AUTHENTICATING, | |
773 | IEEE80211_AUTHENTICATED, | |
774 | IEEE80211_SHUTDOWN | |
775 | }; | |
776 | ||
777 | #define DEFAULT_MAX_SCAN_AGE (15 * HZ) | |
778 | #define DEFAULT_FTS 2346 | |
b453872c | 779 | |
b453872c JG |
780 | #define CFG_IEEE80211_RESERVE_FCS (1<<0) |
781 | #define CFG_IEEE80211_COMPUTE_FCS (1<<1) | |
3cdd00c5 | 782 | #define CFG_IEEE80211_RTS (1<<2) |
b453872c | 783 | |
02cda6ae JK |
784 | #define IEEE80211_24GHZ_MIN_CHANNEL 1 |
785 | #define IEEE80211_24GHZ_MAX_CHANNEL 14 | |
786 | #define IEEE80211_24GHZ_CHANNELS 14 | |
787 | ||
788 | #define IEEE80211_52GHZ_MIN_CHANNEL 36 | |
789 | #define IEEE80211_52GHZ_MAX_CHANNEL 165 | |
790 | #define IEEE80211_52GHZ_CHANNELS 32 | |
791 | ||
792 | enum { | |
793 | IEEE80211_CH_PASSIVE_ONLY = (1 << 0), | |
794 | IEEE80211_CH_B_ONLY = (1 << 2), | |
795 | IEEE80211_CH_NO_IBSS = (1 << 3), | |
796 | IEEE80211_CH_UNIFORM_SPREADING = (1 << 4), | |
797 | IEEE80211_CH_RADAR_DETECT = (1 << 5), | |
798 | IEEE80211_CH_INVALID = (1 << 6), | |
799 | }; | |
800 | ||
801 | struct ieee80211_channel { | |
802 | u16 freq; | |
803 | u8 channel; | |
804 | u8 flags; | |
805 | u8 max_power; | |
806 | }; | |
807 | ||
808 | struct ieee80211_geo { | |
809 | u8 name[4]; | |
810 | u8 bg_channels; | |
811 | u8 a_channels; | |
812 | struct ieee80211_channel bg[IEEE80211_24GHZ_CHANNELS]; | |
813 | struct ieee80211_channel a[IEEE80211_52GHZ_CHANNELS]; | |
814 | }; | |
815 | ||
b453872c JG |
816 | struct ieee80211_device { |
817 | struct net_device *dev; | |
f1bf6638 | 818 | struct ieee80211_security sec; |
b453872c JG |
819 | |
820 | /* Bookkeeping structures */ | |
821 | struct net_device_stats stats; | |
822 | struct ieee80211_stats ieee_stats; | |
823 | ||
02cda6ae JK |
824 | struct ieee80211_geo geo; |
825 | ||
b453872c JG |
826 | /* Probe / Beacon management */ |
827 | struct list_head network_free_list; | |
828 | struct list_head network_list; | |
829 | struct ieee80211_network *networks; | |
830 | int scans; | |
831 | int scan_age; | |
832 | ||
74079fdc JK |
833 | int iw_mode; /* operating mode (IW_MODE_*) */ |
834 | struct iw_spy_data spy_data; /* iwspy support */ | |
b453872c JG |
835 | |
836 | spinlock_t lock; | |
837 | ||
74079fdc JK |
838 | int tx_headroom; /* Set to size of any additional room needed at front |
839 | * of allocated Tx SKBs */ | |
b453872c JG |
840 | u32 config; |
841 | ||
842 | /* WEP and other encryption related settings at the device level */ | |
74079fdc | 843 | int open_wep; /* Set to 1 to allow unencrypted frames */ |
b453872c | 844 | |
74079fdc | 845 | int reset_on_keychange; /* Set to 1 if the HW needs to be reset on |
b453872c JG |
846 | * WEP key changes */ |
847 | ||
848 | /* If the host performs {en,de}cryption, then set to 1 */ | |
849 | int host_encrypt; | |
1264fc04 | 850 | int host_encrypt_msdu; |
b453872c | 851 | int host_decrypt; |
1264fc04 | 852 | int host_open_frag; |
74079fdc | 853 | int ieee802_1x; /* is IEEE 802.1X used */ |
b453872c JG |
854 | |
855 | /* WPA data */ | |
856 | int wpa_enabled; | |
857 | int drop_unencrypted; | |
858 | int tkip_countermeasures; | |
859 | int privacy_invoked; | |
860 | size_t wpa_ie_len; | |
861 | u8 *wpa_ie; | |
862 | ||
863 | struct list_head crypt_deinit_list; | |
864 | struct ieee80211_crypt_data *crypt[WEP_KEYS]; | |
74079fdc | 865 | int tx_keyidx; /* default TX key index (crypt[tx_keyidx]) */ |
b453872c | 866 | struct timer_list crypt_deinit_timer; |
0ad0c3c6 | 867 | int crypt_quiesced; |
b453872c | 868 | |
74079fdc JK |
869 | int bcrx_sta_key; /* use individual keys to override default keys even |
870 | * with RX of broad/multicast frames */ | |
b453872c JG |
871 | |
872 | /* Fragmentation structures */ | |
873 | struct ieee80211_frag_entry frag_cache[IEEE80211_FRAG_CACHE_LEN]; | |
874 | unsigned int frag_next_idx; | |
74079fdc | 875 | u16 fts; /* Fragmentation Threshold */ |
3cdd00c5 | 876 | u16 rts; /* RTS threshold */ |
b453872c JG |
877 | |
878 | /* Association info */ | |
879 | u8 bssid[ETH_ALEN]; | |
880 | ||
881 | enum ieee80211_state state; | |
882 | ||
74079fdc JK |
883 | int mode; /* A, B, G */ |
884 | int modulation; /* CCK, OFDM */ | |
885 | int freq_band; /* 2.4Ghz, 5.2Ghz, Mixed */ | |
3bc5ed68 | 886 | int abg_true; /* ABG flag */ |
b453872c | 887 | |
b1b508e1 JK |
888 | int perfect_rssi; |
889 | int worst_rssi; | |
890 | ||
b453872c | 891 | /* Callback functions */ |
74079fdc JK |
892 | void (*set_security) (struct net_device * dev, |
893 | struct ieee80211_security * sec); | |
894 | int (*hard_start_xmit) (struct ieee80211_txb * txb, | |
9e8571af | 895 | struct net_device * dev, int pri); |
74079fdc | 896 | int (*reset_port) (struct net_device * dev); |
3f552bbf JK |
897 | int (*is_queue_full) (struct net_device * dev, int pri); |
898 | ||
9e8571af JK |
899 | int (*handle_management) (struct net_device * dev, |
900 | struct ieee80211_network * network, u16 type); | |
901 | ||
3f552bbf JK |
902 | /* Typical STA methods */ |
903 | int (*handle_auth) (struct net_device * dev, | |
904 | struct ieee80211_auth * auth); | |
905 | int (*handle_disassoc) (struct net_device * dev, | |
906 | struct ieee80211_disassoc * assoc); | |
907 | int (*handle_beacon) (struct net_device * dev, | |
908 | struct ieee80211_beacon * beacon, | |
909 | struct ieee80211_network * network); | |
910 | int (*handle_probe_response) (struct net_device * dev, | |
911 | struct ieee80211_probe_response * resp, | |
912 | struct ieee80211_network * network); | |
913 | int (*handle_assoc_response) (struct net_device * dev, | |
914 | struct ieee80211_assoc_response * resp, | |
915 | struct ieee80211_network * network); | |
916 | ||
917 | /* Typical AP methods */ | |
918 | int (*handle_assoc_request) (struct net_device * dev); | |
919 | int (*handle_reassoc_request) (struct net_device * dev, | |
920 | struct ieee80211_reassoc_request * req); | |
b453872c JG |
921 | |
922 | /* This must be the last item so that it points to the data | |
923 | * allocated beyond this structure by alloc_ieee80211 */ | |
924 | u8 priv[0]; | |
925 | }; | |
926 | ||
927 | #define IEEE_A (1<<0) | |
928 | #define IEEE_B (1<<1) | |
929 | #define IEEE_G (1<<2) | |
930 | #define IEEE_MODE_MASK (IEEE_A|IEEE_B|IEEE_G) | |
931 | ||
9ba7e0d1 | 932 | static inline void *ieee80211_priv(struct net_device *dev) |
b453872c JG |
933 | { |
934 | return ((struct ieee80211_device *)netdev_priv(dev))->priv; | |
935 | } | |
936 | ||
9ba7e0d1 | 937 | static inline int ieee80211_is_empty_essid(const char *essid, int essid_len) |
b453872c JG |
938 | { |
939 | /* Single white space is for Linksys APs */ | |
940 | if (essid_len == 1 && essid[0] == ' ') | |
941 | return 1; | |
942 | ||
943 | /* Otherwise, if the entire essid is 0, we assume it is hidden */ | |
944 | while (essid_len) { | |
945 | essid_len--; | |
946 | if (essid[essid_len] != '\0') | |
947 | return 0; | |
948 | } | |
949 | ||
950 | return 1; | |
951 | } | |
952 | ||
9ba7e0d1 | 953 | static inline int ieee80211_is_valid_mode(struct ieee80211_device *ieee, |
74079fdc | 954 | int mode) |
b453872c JG |
955 | { |
956 | /* | |
957 | * It is possible for both access points and our device to support | |
958 | * combinations of modes, so as long as there is one valid combination | |
959 | * of ap/device supported modes, then return success | |
960 | * | |
961 | */ | |
962 | if ((mode & IEEE_A) && | |
963 | (ieee->modulation & IEEE80211_OFDM_MODULATION) && | |
964 | (ieee->freq_band & IEEE80211_52GHZ_BAND)) | |
965 | return 1; | |
966 | ||
967 | if ((mode & IEEE_G) && | |
968 | (ieee->modulation & IEEE80211_OFDM_MODULATION) && | |
969 | (ieee->freq_band & IEEE80211_24GHZ_BAND)) | |
970 | return 1; | |
971 | ||
972 | if ((mode & IEEE_B) && | |
973 | (ieee->modulation & IEEE80211_CCK_MODULATION) && | |
974 | (ieee->freq_band & IEEE80211_24GHZ_BAND)) | |
975 | return 1; | |
976 | ||
977 | return 0; | |
978 | } | |
979 | ||
9ba7e0d1 | 980 | static inline int ieee80211_get_hdrlen(u16 fc) |
b453872c | 981 | { |
286d9747 | 982 | int hdrlen = IEEE80211_3ADDR_LEN; |
9e8571af | 983 | u16 stype = WLAN_FC_GET_STYPE(fc); |
b453872c JG |
984 | |
985 | switch (WLAN_FC_GET_TYPE(fc)) { | |
986 | case IEEE80211_FTYPE_DATA: | |
987 | if ((fc & IEEE80211_FCTL_FROMDS) && (fc & IEEE80211_FCTL_TODS)) | |
286d9747 | 988 | hdrlen = IEEE80211_4ADDR_LEN; |
9e8571af JK |
989 | if (stype & IEEE80211_STYPE_QOS_DATA) |
990 | hdrlen += 2; | |
b453872c JG |
991 | break; |
992 | case IEEE80211_FTYPE_CTL: | |
993 | switch (WLAN_FC_GET_STYPE(fc)) { | |
994 | case IEEE80211_STYPE_CTS: | |
995 | case IEEE80211_STYPE_ACK: | |
286d9747 | 996 | hdrlen = IEEE80211_1ADDR_LEN; |
b453872c JG |
997 | break; |
998 | default: | |
286d9747 | 999 | hdrlen = IEEE80211_2ADDR_LEN; |
b453872c JG |
1000 | break; |
1001 | } | |
1002 | break; | |
1003 | } | |
1004 | ||
1005 | return hdrlen; | |
1006 | } | |
1007 | ||
9ba7e0d1 | 1008 | static inline u8 *ieee80211_get_payload(struct ieee80211_hdr *hdr) |
ee34af37 JK |
1009 | { |
1010 | switch (ieee80211_get_hdrlen(le16_to_cpu(hdr->frame_ctl))) { | |
1011 | case IEEE80211_1ADDR_LEN: | |
1012 | return ((struct ieee80211_hdr_1addr *)hdr)->payload; | |
1013 | case IEEE80211_2ADDR_LEN: | |
1014 | return ((struct ieee80211_hdr_2addr *)hdr)->payload; | |
1015 | case IEEE80211_3ADDR_LEN: | |
1016 | return ((struct ieee80211_hdr_3addr *)hdr)->payload; | |
1017 | case IEEE80211_4ADDR_LEN: | |
1018 | return ((struct ieee80211_hdr_4addr *)hdr)->payload; | |
1019 | } | |
1020 | ||
1021 | } | |
1022 | ||
b453872c JG |
1023 | /* ieee80211.c */ |
1024 | extern void free_ieee80211(struct net_device *dev); | |
1025 | extern struct net_device *alloc_ieee80211(int sizeof_priv); | |
1026 | ||
1027 | extern int ieee80211_set_encryption(struct ieee80211_device *ieee); | |
1028 | ||
1029 | /* ieee80211_tx.c */ | |
74079fdc | 1030 | extern int ieee80211_xmit(struct sk_buff *skb, struct net_device *dev); |
b453872c | 1031 | extern void ieee80211_txb_free(struct ieee80211_txb *); |
3f552bbf JK |
1032 | extern int ieee80211_tx_frame(struct ieee80211_device *ieee, |
1033 | struct ieee80211_hdr *frame, int len); | |
b453872c | 1034 | |
b453872c JG |
1035 | /* ieee80211_rx.c */ |
1036 | extern int ieee80211_rx(struct ieee80211_device *ieee, struct sk_buff *skb, | |
1037 | struct ieee80211_rx_stats *rx_stats); | |
1038 | extern void ieee80211_rx_mgt(struct ieee80211_device *ieee, | |
ee34af37 | 1039 | struct ieee80211_hdr_4addr *header, |
b453872c JG |
1040 | struct ieee80211_rx_stats *stats); |
1041 | ||
02cda6ae JK |
1042 | /* ieee80211_geo.c */ |
1043 | extern const struct ieee80211_geo *ieee80211_get_geo(struct ieee80211_device | |
1044 | *ieee); | |
1045 | extern int ieee80211_set_geo(struct ieee80211_device *ieee, | |
1046 | const struct ieee80211_geo *geo); | |
1047 | ||
1048 | extern int ieee80211_is_valid_channel(struct ieee80211_device *ieee, | |
1049 | u8 channel); | |
1050 | extern int ieee80211_channel_to_index(struct ieee80211_device *ieee, | |
1051 | u8 channel); | |
1052 | extern u8 ieee80211_freq_to_channel(struct ieee80211_device *ieee, u32 freq); | |
1053 | ||
099c5bb1 | 1054 | /* ieee80211_wx.c */ |
b453872c JG |
1055 | extern int ieee80211_wx_get_scan(struct ieee80211_device *ieee, |
1056 | struct iw_request_info *info, | |
1057 | union iwreq_data *wrqu, char *key); | |
1058 | extern int ieee80211_wx_set_encode(struct ieee80211_device *ieee, | |
1059 | struct iw_request_info *info, | |
1060 | union iwreq_data *wrqu, char *key); | |
1061 | extern int ieee80211_wx_get_encode(struct ieee80211_device *ieee, | |
1062 | struct iw_request_info *info, | |
1063 | union iwreq_data *wrqu, char *key); | |
e0d369d1 JK |
1064 | #if WIRELESS_EXT > 17 |
1065 | extern int ieee80211_wx_set_encodeext(struct ieee80211_device *ieee, | |
1066 | struct iw_request_info *info, | |
1067 | union iwreq_data *wrqu, char *extra); | |
1068 | extern int ieee80211_wx_get_encodeext(struct ieee80211_device *ieee, | |
1069 | struct iw_request_info *info, | |
1070 | union iwreq_data *wrqu, char *extra); | |
1071 | #endif | |
b453872c | 1072 | |
9ba7e0d1 | 1073 | static inline void ieee80211_increment_scans(struct ieee80211_device *ieee) |
b453872c JG |
1074 | { |
1075 | ieee->scans++; | |
1076 | } | |
1077 | ||
9ba7e0d1 | 1078 | static inline int ieee80211_get_scans(struct ieee80211_device *ieee) |
b453872c JG |
1079 | { |
1080 | return ieee->scans; | |
1081 | } | |
1082 | ||
74079fdc | 1083 | #endif /* IEEE80211_H */ |