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[PATCH] ieee80211: Fix TKIP MIC calculation for QoS frames
[deliverable/linux.git] / include / net / ieee80211.h
CommitLineData
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>
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
d7e02edb 32#define IEEE80211_VERSION "git-1.1.7"
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
113extern u32 ieee80211_debug_level;
114#define IEEE80211_DEBUG(level, fmt, args...) \
115do { if (ieee80211_debug_level & (level)) \
116 printk(KERN_DEBUG "ieee80211: %c %s " fmt, \
117 in_interrupt() ? 'I' : 'U', __FUNCTION__ , ## args); } while (0)
118#else
119#define IEEE80211_DEBUG(level, fmt, args...) do {} while (0)
74079fdc 120#endif /* CONFIG_IEEE80211_DEBUG */
e88187ee
JB		 121
122/* debug macros not dependent on CONFIG_IEEE80211_DEBUG */
123
124#define MAC_FMT "%02x:%02x:%02x:%02x:%02x:%02x"
125#define MAC_ARG(x) ((u8*)(x))[0],((u8*)(x))[1],((u8*)(x))[2],((u8*)(x))[3],((u8*)(x))[4],((u8*)(x))[5]
126
127/* escape_essid() is intended to be used in debug (and possibly error)
128 * messages. It should never be used for passing essid to user space. */
129const char *escape_essid(const char *essid, u8 essid_len);
130
b453872c 131/*
e88187ee 132 * To use the debug system:
b453872c
JG		 133 *
134 * If you are defining a new debug classification, simply add it to the #define
135 * list here in the form of:
136 *
137 * #define IEEE80211_DL_xxxx VALUE
138 *
139 * shifting value to the left one bit from the previous entry. xxxx should be
140 * the name of the classification (for example, WEP)
141 *
142 * You then need to either add a IEEE80211_xxxx_DEBUG() macro definition for your
143 * classification, or use IEEE80211_DEBUG(IEEE80211_DL_xxxx, ...) whenever you want
144 * to send output to that classification.
145 *
146 * To add your debug level to the list of levels seen when you perform
147 *
91cb70c1 148 * % cat /proc/net/ieee80211/debug_level
b453872c 149 *
91cb70c1 150 * you simply need to add your entry to the ieee80211_debug_level array.
b453872c 151 *
91cb70c1 152 * If you do not see debug_level in /proc/net/ieee80211 then you do not have
b453872c
JG		 153 * CONFIG_IEEE80211_DEBUG defined in your kernel configuration
154 *
155 */
156
157#define IEEE80211_DL_INFO (1<<0)
158#define IEEE80211_DL_WX (1<<1)
159#define IEEE80211_DL_SCAN (1<<2)
160#define IEEE80211_DL_STATE (1<<3)
161#define IEEE80211_DL_MGMT (1<<4)
162#define IEEE80211_DL_FRAG (1<<5)
b453872c
JG		 163#define IEEE80211_DL_DROP (1<<7)
164
165#define IEEE80211_DL_TX (1<<8)
166#define IEEE80211_DL_RX (1<<9)
9e8571af 167#define IEEE80211_DL_QOS (1<<31)
b453872c
JG		 168
169#define IEEE80211_ERROR(f, a...) printk(KERN_ERR "ieee80211: " f, ## a)
170#define IEEE80211_WARNING(f, a...) printk(KERN_WARNING "ieee80211: " f, ## a)
171#define IEEE80211_DEBUG_INFO(f, a...) IEEE80211_DEBUG(IEEE80211_DL_INFO, f, ## a)
172
173#define IEEE80211_DEBUG_WX(f, a...) IEEE80211_DEBUG(IEEE80211_DL_WX, f, ## a)
174#define IEEE80211_DEBUG_SCAN(f, a...) IEEE80211_DEBUG(IEEE80211_DL_SCAN, f, ## a)
175#define IEEE80211_DEBUG_STATE(f, a...) IEEE80211_DEBUG(IEEE80211_DL_STATE, f, ## a)
176#define IEEE80211_DEBUG_MGMT(f, a...) IEEE80211_DEBUG(IEEE80211_DL_MGMT, f, ## a)
177#define IEEE80211_DEBUG_FRAG(f, a...) IEEE80211_DEBUG(IEEE80211_DL_FRAG, f, ## a)
b453872c
JG		 178#define IEEE80211_DEBUG_DROP(f, a...) IEEE80211_DEBUG(IEEE80211_DL_DROP, f, ## a)
179#define IEEE80211_DEBUG_TX(f, a...) IEEE80211_DEBUG(IEEE80211_DL_TX, f, ## a)
180#define IEEE80211_DEBUG_RX(f, a...) IEEE80211_DEBUG(IEEE80211_DL_RX, f, ## a)
9e8571af 181#define IEEE80211_DEBUG_QOS(f, a...) IEEE80211_DEBUG(IEEE80211_DL_QOS, f, ## a)
b453872c
JG		 182#include <linux/netdevice.h>
183#include <linux/wireless.h>
74079fdc 184#include <linux/if_arp.h> /* ARPHRD_ETHER */
b453872c
JG		 185
186#ifndef WIRELESS_SPY
099c5bb1 187#define WIRELESS_SPY /* enable iwspy support */
b453872c 188#endif
099c5bb1 189#include <net/iw_handler.h> /* new driver API */
b453872c
JG		 190
191#ifndef ETH_P_PAE
74079fdc
JK		 192#define ETH_P_PAE 0x888E /* Port Access Entity (IEEE 802.1X) */
193#endif /* ETH_P_PAE */
b453872c 194
74079fdc 195#define ETH_P_PREAUTH 0x88C7 /* IEEE 802.11i pre-authentication */
b453872c
JG		 196
197#ifndef ETH_P_80211_RAW
198#define ETH_P_80211_RAW (ETH_P_ECONET + 1)
199#endif
200
201/* IEEE 802.11 defines */
202
203#define P80211_OUI_LEN 3
204
205struct ieee80211_snap_hdr {
206
74079fdc
JK		 207 u8 dsap; /* always 0xAA */
208 u8 ssap; /* always 0xAA */
209 u8 ctrl; /* always 0x03 */
210 u8 oui[P80211_OUI_LEN]; /* organizational universal id */
b453872c
JG		 211
212} __attribute__ ((packed));
213
214#define SNAP_SIZE sizeof(struct ieee80211_snap_hdr)
215
f13baae4 216#define WLAN_FC_GET_VERS(fc) ((fc) & IEEE80211_FCTL_VERS)
b453872c
JG		 217#define WLAN_FC_GET_TYPE(fc) ((fc) & IEEE80211_FCTL_FTYPE)
218#define WLAN_FC_GET_STYPE(fc) ((fc) & IEEE80211_FCTL_STYPE)
219
220#define WLAN_GET_SEQ_FRAG(seq) ((seq) & IEEE80211_SCTL_FRAG)
221#define WLAN_GET_SEQ_SEQ(seq) ((seq) & IEEE80211_SCTL_SEQ)
222
223/* Authentication algorithms */
224#define WLAN_AUTH_OPEN 0
225#define WLAN_AUTH_SHARED_KEY 1
24056bec 226#define WLAN_AUTH_LEAP 2
b453872c
JG		 227
228#define WLAN_AUTH_CHALLENGE_LEN 128
229
2474385e 230#define WLAN_CAPABILITY_ESS (1<<0)
b453872c
JG		 231#define WLAN_CAPABILITY_IBSS (1<<1)
232#define WLAN_CAPABILITY_CF_POLLABLE (1<<2)
233#define WLAN_CAPABILITY_CF_POLL_REQUEST (1<<3)
234#define WLAN_CAPABILITY_PRIVACY (1<<4)
235#define WLAN_CAPABILITY_SHORT_PREAMBLE (1<<5)
236#define WLAN_CAPABILITY_PBCC (1<<6)
237#define WLAN_CAPABILITY_CHANNEL_AGILITY (1<<7)
f13baae4 238#define WLAN_CAPABILITY_SPECTRUM_MGMT (1<<8)
42c94e43 239#define WLAN_CAPABILITY_QOS (1<<9)
f13baae4 240#define WLAN_CAPABILITY_SHORT_SLOT_TIME (1<<10)
42c94e43 241#define WLAN_CAPABILITY_DSSS_OFDM (1<<13)
b453872c
JG		 242
243/* Status codes */
95d5185d
JB		 244enum ieee80211_statuscode {
245 WLAN_STATUS_SUCCESS = 0,
246 WLAN_STATUS_UNSPECIFIED_FAILURE = 1,
247 WLAN_STATUS_CAPS_UNSUPPORTED = 10,
248 WLAN_STATUS_REASSOC_NO_ASSOC = 11,
249 WLAN_STATUS_ASSOC_DENIED_UNSPEC = 12,
250 WLAN_STATUS_NOT_SUPPORTED_AUTH_ALG = 13,
251 WLAN_STATUS_UNKNOWN_AUTH_TRANSACTION = 14,
252 WLAN_STATUS_CHALLENGE_FAIL = 15,
253 WLAN_STATUS_AUTH_TIMEOUT = 16,
254 WLAN_STATUS_AP_UNABLE_TO_HANDLE_NEW_STA = 17,
255 WLAN_STATUS_ASSOC_DENIED_RATES = 18,
256 /* 802.11b */
257 WLAN_STATUS_ASSOC_DENIED_NOSHORTPREAMBLE = 19,
258 WLAN_STATUS_ASSOC_DENIED_NOPBCC = 20,
259 WLAN_STATUS_ASSOC_DENIED_NOAGILITY = 21,
260 /* 802.11h */
261 WLAN_STATUS_ASSOC_DENIED_NOSPECTRUM = 22,
262 WLAN_STATUS_ASSOC_REJECTED_BAD_POWER = 23,
263 WLAN_STATUS_ASSOC_REJECTED_BAD_SUPP_CHAN = 24,
264 /* 802.11g */
265 WLAN_STATUS_ASSOC_DENIED_NOSHORTTIME = 25,
266 WLAN_STATUS_ASSOC_DENIED_NODSSSOFDM = 26,
267 /* 802.11i */
268 WLAN_STATUS_INVALID_IE = 40,
269 WLAN_STATUS_INVALID_GROUP_CIPHER = 41,
270 WLAN_STATUS_INVALID_PAIRWISE_CIPHER = 42,
271 WLAN_STATUS_INVALID_AKMP = 43,
272 WLAN_STATUS_UNSUPP_RSN_VERSION = 44,
273 WLAN_STATUS_INVALID_RSN_IE_CAP = 45,
274 WLAN_STATUS_CIPHER_SUITE_REJECTED = 46,
275};
b453872c
JG		 276
277/* Reason codes */
95d5185d
JB		 278enum ieee80211_reasoncode {
279 WLAN_REASON_UNSPECIFIED = 1,
280 WLAN_REASON_PREV_AUTH_NOT_VALID = 2,
281 WLAN_REASON_DEAUTH_LEAVING = 3,
282 WLAN_REASON_DISASSOC_DUE_TO_INACTIVITY = 4,
283 WLAN_REASON_DISASSOC_AP_BUSY = 5,
284 WLAN_REASON_CLASS2_FRAME_FROM_NONAUTH_STA = 6,
285 WLAN_REASON_CLASS3_FRAME_FROM_NONASSOC_STA = 7,
286 WLAN_REASON_DISASSOC_STA_HAS_LEFT = 8,
287 WLAN_REASON_STA_REQ_ASSOC_WITHOUT_AUTH = 9,
288 /* 802.11h */
289 WLAN_REASON_DISASSOC_BAD_POWER = 10,
290 WLAN_REASON_DISASSOC_BAD_SUPP_CHAN = 11,
291 /* 802.11i */
292 WLAN_REASON_INVALID_IE = 13,
293 WLAN_REASON_MIC_FAILURE = 14,
294 WLAN_REASON_4WAY_HANDSHAKE_TIMEOUT = 15,
295 WLAN_REASON_GROUP_KEY_HANDSHAKE_TIMEOUT = 16,
296 WLAN_REASON_IE_DIFFERENT = 17,
297 WLAN_REASON_INVALID_GROUP_CIPHER = 18,
298 WLAN_REASON_INVALID_PAIRWISE_CIPHER = 19,
299 WLAN_REASON_INVALID_AKMP = 20,
300 WLAN_REASON_UNSUPP_RSN_VERSION = 21,
301 WLAN_REASON_INVALID_RSN_IE_CAP = 22,
302 WLAN_REASON_IEEE8021X_FAILED = 23,
303 WLAN_REASON_CIPHER_SUITE_REJECTED = 24,
304};
b453872c 305
b79e20b6
ZY		 306/* Action categories - 802.11h */
307enum ieee80211_actioncategories {
308 WLAN_ACTION_SPECTRUM_MGMT = 0,
309 /* Reserved 1-127 */
310 /* Error 128-255 */
311};
312
313/* Action details - 802.11h */
314enum ieee80211_actiondetails {
315 WLAN_ACTION_CATEGORY_MEASURE_REQUEST = 0,
316 WLAN_ACTION_CATEGORY_MEASURE_REPORT = 1,
317 WLAN_ACTION_CATEGORY_TPC_REQUEST = 2,
318 WLAN_ACTION_CATEGORY_TPC_REPORT = 3,
319 WLAN_ACTION_CATEGORY_CHANNEL_SWITCH = 4,
320 /* 5 - 255 Reserved */
321};
322
b453872c
JG		 323#define IEEE80211_STATMASK_SIGNAL (1<<0)
324#define IEEE80211_STATMASK_RSSI (1<<1)
325#define IEEE80211_STATMASK_NOISE (1<<2)
326#define IEEE80211_STATMASK_RATE (1<<3)
327#define IEEE80211_STATMASK_WEMASK 0x7
328
b453872c
JG		 329#define IEEE80211_CCK_MODULATION (1<<0)
330#define IEEE80211_OFDM_MODULATION (1<<1)
331
332#define IEEE80211_24GHZ_BAND (1<<0)
333#define IEEE80211_52GHZ_BAND (1<<1)
334
335#define IEEE80211_CCK_RATE_1MB 0x02
336#define IEEE80211_CCK_RATE_2MB 0x04
337#define IEEE80211_CCK_RATE_5MB 0x0B
338#define IEEE80211_CCK_RATE_11MB 0x16
339#define IEEE80211_OFDM_RATE_6MB 0x0C
340#define IEEE80211_OFDM_RATE_9MB 0x12
341#define IEEE80211_OFDM_RATE_12MB 0x18
342#define IEEE80211_OFDM_RATE_18MB 0x24
343#define IEEE80211_OFDM_RATE_24MB 0x30
344#define IEEE80211_OFDM_RATE_36MB 0x48
345#define IEEE80211_OFDM_RATE_48MB 0x60
346#define IEEE80211_OFDM_RATE_54MB 0x6C
347#define IEEE80211_BASIC_RATE_MASK 0x80
348
349#define IEEE80211_CCK_RATE_1MB_MASK (1<<0)
350#define IEEE80211_CCK_RATE_2MB_MASK (1<<1)
351#define IEEE80211_CCK_RATE_5MB_MASK (1<<2)
352#define IEEE80211_CCK_RATE_11MB_MASK (1<<3)
353#define IEEE80211_OFDM_RATE_6MB_MASK (1<<4)
354#define IEEE80211_OFDM_RATE_9MB_MASK (1<<5)
355#define IEEE80211_OFDM_RATE_12MB_MASK (1<<6)
356#define IEEE80211_OFDM_RATE_18MB_MASK (1<<7)
357#define IEEE80211_OFDM_RATE_24MB_MASK (1<<8)
358#define IEEE80211_OFDM_RATE_36MB_MASK (1<<9)
359#define IEEE80211_OFDM_RATE_48MB_MASK (1<<10)
360#define IEEE80211_OFDM_RATE_54MB_MASK (1<<11)
361
362#define IEEE80211_CCK_RATES_MASK 0x0000000F
363#define IEEE80211_CCK_BASIC_RATES_MASK (IEEE80211_CCK_RATE_1MB_MASK | \
364 IEEE80211_CCK_RATE_2MB_MASK)
365#define IEEE80211_CCK_DEFAULT_RATES_MASK (IEEE80211_CCK_BASIC_RATES_MASK | \
366 IEEE80211_CCK_RATE_5MB_MASK | \
367 IEEE80211_CCK_RATE_11MB_MASK)
368
369#define IEEE80211_OFDM_RATES_MASK 0x00000FF0
370#define IEEE80211_OFDM_BASIC_RATES_MASK (IEEE80211_OFDM_RATE_6MB_MASK | \
371 IEEE80211_OFDM_RATE_12MB_MASK | \
372 IEEE80211_OFDM_RATE_24MB_MASK)
373#define IEEE80211_OFDM_DEFAULT_RATES_MASK (IEEE80211_OFDM_BASIC_RATES_MASK | \
374 IEEE80211_OFDM_RATE_9MB_MASK | \
375 IEEE80211_OFDM_RATE_18MB_MASK | \
376 IEEE80211_OFDM_RATE_36MB_MASK | \
377 IEEE80211_OFDM_RATE_48MB_MASK | \
378 IEEE80211_OFDM_RATE_54MB_MASK)
379#define IEEE80211_DEFAULT_RATES_MASK (IEEE80211_OFDM_DEFAULT_RATES_MASK | \
380 IEEE80211_CCK_DEFAULT_RATES_MASK)
381
382#define IEEE80211_NUM_OFDM_RATES 8
383#define IEEE80211_NUM_CCK_RATES 4
384#define IEEE80211_OFDM_SHIFT_MASK_A 4
385
b453872c 386/* NOTE: This data is for statistical purposes; not all hardware provides this
c9fa7d5d
JB		 387 * information for frames received.
388 * For ieee80211_rx_mgt, you need to set at least the 'len' parameter.
389 */
b453872c
JG		 390struct ieee80211_rx_stats {
391 u32 mac_time;
392 s8 rssi;
393 u8 signal;
394 u8 noise;
74079fdc 395 u16 rate; /* in 100 kbps */
b453872c
JG		 396 u8 received_channel;
397 u8 control;
398 u8 mask;
399 u8 freq;
400 u16 len;
b79e20b6
ZY		 401 u64 tsf;
402 u32 beacon_time;
b453872c
JG		 403};
404
405/* IEEE 802.11 requires that STA supports concurrent reception of at least
406 * three fragmented frames. This define can be increased to support more
407 * concurrent frames, but it should be noted that each entry can consume about
408 * 2 kB of RAM and increasing cache size will slow down frame reassembly. */
409#define IEEE80211_FRAG_CACHE_LEN 4
410
411struct ieee80211_frag_entry {
412 unsigned long first_frag_time;
413 unsigned int seq;
414 unsigned int last_frag;
415 struct sk_buff *skb;
416 u8 src_addr[ETH_ALEN];
417 u8 dst_addr[ETH_ALEN];
418};
419
420struct ieee80211_stats {
421 unsigned int tx_unicast_frames;
422 unsigned int tx_multicast_frames;
423 unsigned int tx_fragments;
424 unsigned int tx_unicast_octets;
425 unsigned int tx_multicast_octets;
426 unsigned int tx_deferred_transmissions;
427 unsigned int tx_single_retry_frames;
428 unsigned int tx_multiple_retry_frames;
429 unsigned int tx_retry_limit_exceeded;
430 unsigned int tx_discards;
431 unsigned int rx_unicast_frames;
432 unsigned int rx_multicast_frames;
433 unsigned int rx_fragments;
434 unsigned int rx_unicast_octets;
435 unsigned int rx_multicast_octets;
436 unsigned int rx_fcs_errors;
437 unsigned int rx_discards_no_buffer;
438 unsigned int tx_discards_wrong_sa;
439 unsigned int rx_discards_undecryptable;
440 unsigned int rx_message_in_msg_fragments;
441 unsigned int rx_message_in_bad_msg_fragments;
442};
443
444struct ieee80211_device;
445
446#include "ieee80211_crypt.h"
447
f1bf6638
JK		 448#define SEC_KEY_1 (1<<0)
449#define SEC_KEY_2 (1<<1)
450#define SEC_KEY_3 (1<<2)
451#define SEC_KEY_4 (1<<3)
452#define SEC_ACTIVE_KEY (1<<4)
453#define SEC_AUTH_MODE (1<<5)
454#define SEC_UNICAST_GROUP (1<<6)
455#define SEC_LEVEL (1<<7)
456#define SEC_ENABLED (1<<8)
259bf1fd 457#define SEC_ENCRYPT (1<<9)
f1bf6638
JK		 458
459#define SEC_LEVEL_0 0 /* None */
460#define SEC_LEVEL_1 1 /* WEP 40 and 104 bit */
461#define SEC_LEVEL_2 2 /* Level 1 + TKIP */
462#define SEC_LEVEL_2_CKIP 3 /* Level 1 + CKIP */
463#define SEC_LEVEL_3 4 /* Level 2 + CCMP */
464
e0d369d1
JK		 465#define SEC_ALG_NONE 0
466#define SEC_ALG_WEP 1
467#define SEC_ALG_TKIP 2
468#define SEC_ALG_CCMP 3
469
f1bf6638
JK		 470#define WEP_KEYS 4
471#define WEP_KEY_LEN 13
472#define SCM_KEY_LEN 32
473#define SCM_TEMPORAL_KEY_LENGTH 16
b453872c
JG		 474
475struct ieee80211_security {
476 u16 active_key:2,
f1bf6638
JK		 477 enabled:1,
478 auth_mode:2, auth_algo:4, unicast_uses_group:1, encrypt:1;
e0d369d1 479 u8 encode_alg[WEP_KEYS];
b453872c 480 u8 key_sizes[WEP_KEYS];
f1bf6638 481 u8 keys[WEP_KEYS][SCM_KEY_LEN];
b453872c
JG		 482 u8 level;
483 u16 flags;
484} __attribute__ ((packed));
485
b453872c
JG		 486/*
487
488 802.11 data frame from AP
489
490 ,-------------------------------------------------------------------.
491Bytes | 2 | 2 | 6 | 6 | 6 | 2 | 0..2312 | 4 |
492 |------|------|---------|---------|---------|------|---------|------|
493Desc. | ctrl | dura | DA/RA | TA | SA | Sequ | frame | fcs |
494 | | tion | (BSSID) | | | ence | data | |
495 `-------------------------------------------------------------------'
496
497Total: 28-2340 bytes
498
499*/
500
b453872c
JG		 501#define BEACON_PROBE_SSID_ID_POSITION 12
502
503/* Management Frame Information Element Types */
95d5185d
JB		 504enum ieee80211_mfie {
505 MFIE_TYPE_SSID = 0,
506 MFIE_TYPE_RATES = 1,
507 MFIE_TYPE_FH_SET = 2,
508 MFIE_TYPE_DS_SET = 3,
74079fdc 509 MFIE_TYPE_CF_SET = 4,
95d5185d
JB		 510 MFIE_TYPE_TIM = 5,
511 MFIE_TYPE_IBSS_SET = 6,
512 MFIE_TYPE_COUNTRY = 7,
513 MFIE_TYPE_HOP_PARAMS = 8,
514 MFIE_TYPE_HOP_TABLE = 9,
515 MFIE_TYPE_REQUEST = 10,
516 MFIE_TYPE_CHALLENGE = 16,
517 MFIE_TYPE_POWER_CONSTRAINT = 32,
518 MFIE_TYPE_POWER_CAPABILITY = 33,
519 MFIE_TYPE_TPC_REQUEST = 34,
520 MFIE_TYPE_TPC_REPORT = 35,
521 MFIE_TYPE_SUPP_CHANNELS = 36,
522 MFIE_TYPE_CSA = 37,
523 MFIE_TYPE_MEASURE_REQUEST = 38,
524 MFIE_TYPE_MEASURE_REPORT = 39,
525 MFIE_TYPE_QUIET = 40,
526 MFIE_TYPE_IBSS_DFS = 41,
527 MFIE_TYPE_ERP_INFO = 42,
528 MFIE_TYPE_RSN = 48,
529 MFIE_TYPE_RATES_EX = 50,
530 MFIE_TYPE_GENERIC = 221,
9e8571af 531 MFIE_TYPE_QOS_PARAMETER = 222,
95d5185d 532};
b453872c 533
ee34af37
JK		 534/* Minimal header; can be used for passing 802.11 frames with sufficient
535 * information to determine what type of underlying data type is actually
536 * stored in the data. */
537struct ieee80211_hdr {
cdcfc210
JK		 538 __le16 frame_ctl;
539 __le16 duration_id;
ee34af37
JK		 540 u8 payload[0];
541} __attribute__ ((packed));
542
543struct ieee80211_hdr_1addr {
cdcfc210
JK		 544 __le16 frame_ctl;
545 __le16 duration_id;
ee34af37
JK		 546 u8 addr1[ETH_ALEN];
547 u8 payload[0];
548} __attribute__ ((packed));
549
550struct ieee80211_hdr_2addr {
cdcfc210
JK		 551 __le16 frame_ctl;
552 __le16 duration_id;
ee34af37
JK		 553 u8 addr1[ETH_ALEN];
554 u8 addr2[ETH_ALEN];
555 u8 payload[0];
556} __attribute__ ((packed));
557
558struct ieee80211_hdr_3addr {
cdcfc210
JK		 559 __le16 frame_ctl;
560 __le16 duration_id;
ee34af37
JK		 561 u8 addr1[ETH_ALEN];
562 u8 addr2[ETH_ALEN];
563 u8 addr3[ETH_ALEN];
cdcfc210 564 __le16 seq_ctl;
ee34af37
JK		 565 u8 payload[0];
566} __attribute__ ((packed));
567
568struct ieee80211_hdr_4addr {
cdcfc210
JK		 569 __le16 frame_ctl;
570 __le16 duration_id;
ee34af37
JK		 571 u8 addr1[ETH_ALEN];
572 u8 addr2[ETH_ALEN];
573 u8 addr3[ETH_ALEN];
cdcfc210 574 __le16 seq_ctl;
ee34af37
JK		 575 u8 addr4[ETH_ALEN];
576 u8 payload[0];
577} __attribute__ ((packed));
578
9e8571af 579struct ieee80211_hdr_3addrqos {
cdcfc210
JK		 580 __le16 frame_ctl;
581 __le16 duration_id;
9e8571af
JK		 582 u8 addr1[ETH_ALEN];
583 u8 addr2[ETH_ALEN];
584 u8 addr3[ETH_ALEN];
cdcfc210 585 __le16 seq_ctl;
9e8571af 586 u8 payload[0];
cdcfc210 587 __le16 qos_ctl;
9e8571af
JK		 588} __attribute__ ((packed));
589
590struct ieee80211_hdr_4addrqos {
cdcfc210
JK		 591 __le16 frame_ctl;
592 __le16 duration_id;
9e8571af
JK		 593 u8 addr1[ETH_ALEN];
594 u8 addr2[ETH_ALEN];
595 u8 addr3[ETH_ALEN];
cdcfc210 596 __le16 seq_ctl;
9e8571af
JK		 597 u8 addr4[ETH_ALEN];
598 u8 payload[0];
cdcfc210 599 __le16 qos_ctl;
9e8571af
JK		 600} __attribute__ ((packed));
601
b453872c
JG		 602struct ieee80211_info_element {
603 u8 id;
604 u8 len;
605 u8 data[0];
606} __attribute__ ((packed));
607
608/*
609 * These are the data types that can make up management packets
610 *
611 u16 auth_algorithm;
612 u16 auth_sequence;
613 u16 beacon_interval;
614 u16 capability;
615 u8 current_ap[ETH_ALEN];
616 u16 listen_interval;
617 struct {
618 u16 association_id:14, reserved:2;
619 } __attribute__ ((packed));
620 u32 time_stamp[2];
621 u16 reason;
622 u16 status;
623*/
624
ee34af37 625struct ieee80211_auth {
286d9747 626 struct ieee80211_hdr_3addr header;
099c5bb1
JB		 627 __le16 algorithm;
628 __le16 transaction;
629 __le16 status;
e5658d3e 630 /* challenge */
68e4e036 631 struct ieee80211_info_element info_element[0];
b453872c
JG		 632} __attribute__ ((packed));
633
b79e20b6
ZY		 634struct ieee80211_channel_switch {
635 u8 id;
636 u8 len;
637 u8 mode;
638 u8 channel;
639 u8 count;
640} __attribute__ ((packed));
641
642struct ieee80211_action {
643 struct ieee80211_hdr_3addr header;
644 u8 category;
645 u8 action;
646 union {
647 struct ieee80211_action_exchange {
648 u8 token;
649 struct ieee80211_info_element info_element[0];
650 } exchange;
651 struct ieee80211_channel_switch channel_switch;
652
653 } format;
654} __attribute__ ((packed));
655
ee34af37
JK		 656struct ieee80211_disassoc {
657 struct ieee80211_hdr_3addr header;
e5658d3e 658 __le16 reason;
ee34af37
JK		 659} __attribute__ ((packed));
660
e5658d3e 661/* Alias deauth for disassoc */
604116a3 662#define ieee80211_deauth ieee80211_disassoc
e5658d3e 663
ee34af37
JK		 664struct ieee80211_probe_request {
665 struct ieee80211_hdr_3addr header;
e5658d3e 666 /* SSID, supported rates */
ee34af37
JK		 667 struct ieee80211_info_element info_element[0];
668} __attribute__ ((packed));
669
b453872c 670struct ieee80211_probe_response {
286d9747 671 struct ieee80211_hdr_3addr header;
b453872c 672 u32 time_stamp[2];
099c5bb1
JB		 673 __le16 beacon_interval;
674 __le16 capability;
e5658d3e
JK		 675 /* SSID, supported rates, FH params, DS params,
676 * CF params, IBSS params, TIM (if beacon), RSN */
68e4e036 677 struct ieee80211_info_element info_element[0];
b453872c
JG		 678} __attribute__ ((packed));
679
ee34af37
JK		 680/* Alias beacon for probe_response */
681#define ieee80211_beacon ieee80211_probe_response
682
683struct ieee80211_assoc_request {
684 struct ieee80211_hdr_3addr header;
cdcfc210
JK		 685 __le16 capability;
686 __le16 listen_interval;
e5658d3e 687 /* SSID, supported rates, RSN */
ee34af37
JK		 688 struct ieee80211_info_element info_element[0];
689} __attribute__ ((packed));
690
691struct ieee80211_reassoc_request {
692 struct ieee80211_hdr_3addr header;
099c5bb1
JB		 693 __le16 capability;
694 __le16 listen_interval;
b453872c 695 u8 current_ap[ETH_ALEN];
68e4e036 696 struct ieee80211_info_element info_element[0];
b453872c
JG		 697} __attribute__ ((packed));
698
ee34af37 699struct ieee80211_assoc_response {
b453872c 700 struct ieee80211_hdr_3addr header;
099c5bb1
JB		 701 __le16 capability;
702 __le16 status;
703 __le16 aid;
e5658d3e
JK		 704 /* supported rates */
705 struct ieee80211_info_element info_element[0];
b453872c
JG		 706} __attribute__ ((packed));
707
b453872c
JG		 708struct ieee80211_txb {
709 u8 nr_frags;
710 u8 encrypted;
ee34af37
JK		 711 u8 rts_included;
712 u8 reserved;
cdcfc210
JK		 713 __le16 frag_size;
714 __le16 payload_size;
b453872c
JG		 715 struct sk_buff *fragments[0];
716};
717
099c5bb1 718/* SWEEP TABLE ENTRIES NUMBER */
b453872c
JG		 719#define MAX_SWEEP_TAB_ENTRIES 42
720#define MAX_SWEEP_TAB_ENTRIES_PER_PACKET 7
721/* MAX_RATES_LENGTH needs to be 12. The spec says 8, and many APs
722 * only use 8, and then use extended rates for the remaining supported
723 * rates. Other APs, however, stick all of their supported rates on the
724 * main rates information element... */
725#define MAX_RATES_LENGTH ((u8)12)
726#define MAX_RATES_EX_LENGTH ((u8)16)
727#define MAX_NETWORK_COUNT 128
728
729#define CRC_LENGTH 4U
730
731#define MAX_WPA_IE_LEN 64
732
9e8571af
JK		 733#define NETWORK_EMPTY_ESSID (1<<0)
734#define NETWORK_HAS_OFDM (1<<1)
735#define NETWORK_HAS_CCK (1<<2)
736
737/* QoS structure */
738#define NETWORK_HAS_QOS_PARAMETERS (1<<3)
739#define NETWORK_HAS_QOS_INFORMATION (1<<4)
b79e20b6
ZY		 740#define NETWORK_HAS_QOS_MASK (NETWORK_HAS_QOS_PARAMETERS | \
741 NETWORK_HAS_QOS_INFORMATION)
742
743/* 802.11h */
744#define NETWORK_HAS_POWER_CONSTRAINT (1<<5)
745#define NETWORK_HAS_CSA (1<<6)
746#define NETWORK_HAS_QUIET (1<<7)
747#define NETWORK_HAS_IBSS_DFS (1<<8)
748#define NETWORK_HAS_TPC_REPORT (1<<9)
9e8571af
JK		 749
750#define QOS_QUEUE_NUM 4
751#define QOS_OUI_LEN 3
752#define QOS_OUI_TYPE 2
753#define QOS_ELEMENT_ID 221
754#define QOS_OUI_INFO_SUB_TYPE 0
755#define QOS_OUI_PARAM_SUB_TYPE 1
756#define QOS_VERSION_1 1
757#define QOS_AIFSN_MIN_VALUE 2
758
759struct ieee80211_qos_information_element {
760 u8 elementID;
761 u8 length;
762 u8 qui[QOS_OUI_LEN];
763 u8 qui_type;
764 u8 qui_subtype;
765 u8 version;
766 u8 ac_info;
767} __attribute__ ((packed));
768
769struct ieee80211_qos_ac_parameter {
770 u8 aci_aifsn;
771 u8 ecw_min_max;
cdcfc210 772 __le16 tx_op_limit;
9e8571af
JK		 773} __attribute__ ((packed));
774
775struct ieee80211_qos_parameter_info {
776 struct ieee80211_qos_information_element info_element;
777 u8 reserved;
778 struct ieee80211_qos_ac_parameter ac_params_record[QOS_QUEUE_NUM];
779} __attribute__ ((packed));
780
781struct ieee80211_qos_parameters {
cdcfc210
JK		 782 __le16 cw_min[QOS_QUEUE_NUM];
783 __le16 cw_max[QOS_QUEUE_NUM];
9e8571af
JK		 784 u8 aifs[QOS_QUEUE_NUM];
785 u8 flag[QOS_QUEUE_NUM];
cdcfc210 786 __le16 tx_op_limit[QOS_QUEUE_NUM];
9e8571af
JK		 787} __attribute__ ((packed));
788
789struct ieee80211_qos_data {
790 struct ieee80211_qos_parameters parameters;
791 int active;
792 int supported;
793 u8 param_count;
794 u8 old_param_count;
795};
796
797struct ieee80211_tim_parameters {
798 u8 tim_count;
799 u8 tim_period;
800} __attribute__ ((packed));
801
802/*******************************************************/
b453872c 803
b79e20b6
ZY		 804enum { /* ieee80211_basic_report.map */
805 IEEE80211_BASIC_MAP_BSS = (1 << 0),
806 IEEE80211_BASIC_MAP_OFDM = (1 << 1),
807 IEEE80211_BASIC_MAP_UNIDENTIFIED = (1 << 2),
808 IEEE80211_BASIC_MAP_RADAR = (1 << 3),
809 IEEE80211_BASIC_MAP_UNMEASURED = (1 << 4),
810 /* Bits 5-7 are reserved */
811
812};
813struct ieee80211_basic_report {
814 u8 channel;
815 __le64 start_time;
816 __le16 duration;
817 u8 map;
818} __attribute__ ((packed));
819
820enum { /* ieee80211_measurement_request.mode */
821 /* Bit 0 is reserved */
822 IEEE80211_MEASUREMENT_ENABLE = (1 << 1),
823 IEEE80211_MEASUREMENT_REQUEST = (1 << 2),
824 IEEE80211_MEASUREMENT_REPORT = (1 << 3),
825 /* Bits 4-7 are reserved */
826};
827
828enum {
829 IEEE80211_REPORT_BASIC = 0, /* required */
830 IEEE80211_REPORT_CCA = 1, /* optional */
831 IEEE80211_REPORT_RPI = 2, /* optional */
832 /* 3-255 reserved */
833};
834
835struct ieee80211_measurement_params {
836 u8 channel;
837 __le64 start_time;
838 __le16 duration;
839} __attribute__ ((packed));
840
841struct ieee80211_measurement_request {
842 struct ieee80211_info_element ie;
843 u8 token;
844 u8 mode;
845 u8 type;
846 struct ieee80211_measurement_params params[0];
847} __attribute__ ((packed));
848
849struct ieee80211_measurement_report {
850 struct ieee80211_info_element ie;
851 u8 token;
852 u8 mode;
853 u8 type;
854 union {
855 struct ieee80211_basic_report basic[0];
856 } u;
857} __attribute__ ((packed));
858
859struct ieee80211_tpc_report {
860 u8 transmit_power;
861 u8 link_margin;
862} __attribute__ ((packed));
863
864struct ieee80211_channel_map {
865 u8 channel;
866 u8 map;
867} __attribute__ ((packed));
868
869struct ieee80211_ibss_dfs {
870 struct ieee80211_info_element ie;
871 u8 owner[ETH_ALEN];
872 u8 recovery_interval;
873 struct ieee80211_channel_map channel_map[0];
874};
875
876struct ieee80211_csa {
877 u8 mode;
878 u8 channel;
879 u8 count;
880} __attribute__ ((packed));
881
882struct ieee80211_quiet {
883 u8 count;
884 u8 period;
885 u8 duration;
886 u8 offset;
887} __attribute__ ((packed));
888
b453872c
JG		 889struct ieee80211_network {
890 /* These entries are used to identify a unique network */
891 u8 bssid[ETH_ALEN];
892 u8 channel;
893 /* Ensure null-terminated for any debug msgs */
894 u8 ssid[IW_ESSID_MAX_SIZE + 1];
895 u8 ssid_len;
896
9e8571af
JK		 897 struct ieee80211_qos_data qos_data;
898
b453872c
JG		 899 /* These are network statistics */
900 struct ieee80211_rx_stats stats;
901 u16 capability;
902 u8 rates[MAX_RATES_LENGTH];
903 u8 rates_len;
904 u8 rates_ex[MAX_RATES_EX_LENGTH];
905 u8 rates_ex_len;
906 unsigned long last_scanned;
907 u8 mode;
b79e20b6 908 u32 flags;
b453872c
JG		 909 u32 last_associate;
910 u32 time_stamp[2];
911 u16 beacon_interval;
912 u16 listen_interval;
913 u16 atim_window;
42c94e43 914 u8 erp_value;
b453872c
JG		 915 u8 wpa_ie[MAX_WPA_IE_LEN];
916 size_t wpa_ie_len;
917 u8 rsn_ie[MAX_WPA_IE_LEN];
918 size_t rsn_ie_len;
9e8571af 919 struct ieee80211_tim_parameters tim;
b79e20b6
ZY		 920
921 /* 802.11h info */
922
923 /* Power Constraint - mandatory if spctrm mgmt required */
924 u8 power_constraint;
925
926 /* TPC Report - mandatory if spctrm mgmt required */
927 struct ieee80211_tpc_report tpc_report;
928
929 /* IBSS DFS - mandatory if spctrm mgmt required and IBSS
930 * NOTE: This is variable length and so must be allocated dynamically */
931 struct ieee80211_ibss_dfs *ibss_dfs;
932
933 /* Channel Switch Announcement - optional if spctrm mgmt required */
934 struct ieee80211_csa csa;
935
936 /* Quiet - optional if spctrm mgmt required */
937 struct ieee80211_quiet quiet;
938
b453872c
JG		 939 struct list_head list;
940};
941
942enum ieee80211_state {
943 IEEE80211_UNINITIALIZED = 0,
944 IEEE80211_INITIALIZED,
945 IEEE80211_ASSOCIATING,
946 IEEE80211_ASSOCIATED,
947 IEEE80211_AUTHENTICATING,
948 IEEE80211_AUTHENTICATED,
949 IEEE80211_SHUTDOWN
950};
951
952#define DEFAULT_MAX_SCAN_AGE (15 * HZ)
953#define DEFAULT_FTS 2346
b453872c 954
b453872c
JG		 955#define CFG_IEEE80211_RESERVE_FCS (1<<0)
956#define CFG_IEEE80211_COMPUTE_FCS (1<<1)
3cdd00c5 957#define CFG_IEEE80211_RTS (1<<2)
b453872c 958
02cda6ae
JK		 959#define IEEE80211_24GHZ_MIN_CHANNEL 1
960#define IEEE80211_24GHZ_MAX_CHANNEL 14
961#define IEEE80211_24GHZ_CHANNELS 14
962
4a99ac3a 963#define IEEE80211_52GHZ_MIN_CHANNEL 34
02cda6ae 964#define IEEE80211_52GHZ_MAX_CHANNEL 165
4a99ac3a 965#define IEEE80211_52GHZ_CHANNELS 131
02cda6ae
JK		 966
967enum {
968 IEEE80211_CH_PASSIVE_ONLY = (1 << 0),
969 IEEE80211_CH_B_ONLY = (1 << 2),
970 IEEE80211_CH_NO_IBSS = (1 << 3),
971 IEEE80211_CH_UNIFORM_SPREADING = (1 << 4),
972 IEEE80211_CH_RADAR_DETECT = (1 << 5),
973 IEEE80211_CH_INVALID = (1 << 6),
974};
975
976struct ieee80211_channel {
31b59eae 977 u32 freq;
02cda6ae
JK		 978 u8 channel;
979 u8 flags;
980 u8 max_power;
981};
982
983struct ieee80211_geo {
984 u8 name[4];
985 u8 bg_channels;
986 u8 a_channels;
987 struct ieee80211_channel bg[IEEE80211_24GHZ_CHANNELS];
988 struct ieee80211_channel a[IEEE80211_52GHZ_CHANNELS];
989};
990
b453872c
JG		 991struct ieee80211_device {
992 struct net_device *dev;
f1bf6638 993 struct ieee80211_security sec;
b453872c
JG		 994
995 /* Bookkeeping structures */
996 struct net_device_stats stats;
997 struct ieee80211_stats ieee_stats;
998
02cda6ae
JK		 999 struct ieee80211_geo geo;
1000
b453872c
JG		 1001 /* Probe / Beacon management */
1002 struct list_head network_free_list;
1003 struct list_head network_list;
1004 struct ieee80211_network *networks;
1005 int scans;
1006 int scan_age;
1007
74079fdc
JK		 1008 int iw_mode; /* operating mode (IW_MODE_*) */
1009 struct iw_spy_data spy_data; /* iwspy support */
b453872c
JG		 1010
1011 spinlock_t lock;
1012
74079fdc
JK		 1013 int tx_headroom; /* Set to size of any additional room needed at front
1014 * of allocated Tx SKBs */
b453872c
JG		 1015 u32 config;
1016
1017 /* WEP and other encryption related settings at the device level */
74079fdc 1018 int open_wep; /* Set to 1 to allow unencrypted frames */
b453872c 1019
74079fdc 1020 int reset_on_keychange; /* Set to 1 if the HW needs to be reset on
b453872c
JG		 1021 * WEP key changes */
1022
1023 /* If the host performs {en,de}cryption, then set to 1 */
1024 int host_encrypt;
1264fc04 1025 int host_encrypt_msdu;
b453872c 1026 int host_decrypt;
ccd0fda3
JK		 1027 /* host performs multicast decryption */
1028 int host_mc_decrypt;
1029
1264fc04 1030 int host_open_frag;
31b59eae 1031 int host_build_iv;
74079fdc 1032 int ieee802_1x; /* is IEEE 802.1X used */
b453872c
JG		 1033
1034 /* WPA data */
1035 int wpa_enabled;
1036 int drop_unencrypted;
b453872c
JG		 1037 int privacy_invoked;
1038 size_t wpa_ie_len;
1039 u8 *wpa_ie;
1040
1041 struct list_head crypt_deinit_list;
1042 struct ieee80211_crypt_data *crypt[WEP_KEYS];
74079fdc 1043 int tx_keyidx; /* default TX key index (crypt[tx_keyidx]) */
b453872c 1044 struct timer_list crypt_deinit_timer;
0ad0c3c6 1045 int crypt_quiesced;
b453872c 1046
74079fdc
JK		 1047 int bcrx_sta_key; /* use individual keys to override default keys even
1048 * with RX of broad/multicast frames */
b453872c
JG		 1049
1050 /* Fragmentation structures */
1051 struct ieee80211_frag_entry frag_cache[IEEE80211_FRAG_CACHE_LEN];
1052 unsigned int frag_next_idx;
74079fdc 1053 u16 fts; /* Fragmentation Threshold */
3cdd00c5 1054 u16 rts; /* RTS threshold */
b453872c
JG		 1055
1056 /* Association info */
1057 u8 bssid[ETH_ALEN];
1058
1059 enum ieee80211_state state;
1060
74079fdc
JK		 1061 int mode; /* A, B, G */
1062 int modulation; /* CCK, OFDM */
1063 int freq_band; /* 2.4Ghz, 5.2Ghz, Mixed */
3bc5ed68 1064 int abg_true; /* ABG flag */
b453872c 1065
b1b508e1
JK		 1066 int perfect_rssi;
1067 int worst_rssi;
1068
b453872c 1069 /* Callback functions */
74079fdc
JK		 1070 void (*set_security) (struct net_device * dev,
1071 struct ieee80211_security * sec);
1072 int (*hard_start_xmit) (struct ieee80211_txb * txb,
9e8571af 1073 struct net_device * dev, int pri);
74079fdc 1074 int (*reset_port) (struct net_device * dev);
3f552bbf
JK		 1075 int (*is_queue_full) (struct net_device * dev, int pri);
1076
9e8571af
JK		 1077 int (*handle_management) (struct net_device * dev,
1078 struct ieee80211_network * network, u16 type);
1079
3f552bbf
JK		 1080 /* Typical STA methods */
1081 int (*handle_auth) (struct net_device * dev,
1082 struct ieee80211_auth * auth);
31b59eae 1083 int (*handle_deauth) (struct net_device * dev,
b79e20b6
ZY		 1084 struct ieee80211_deauth * auth);
1085 int (*handle_action) (struct net_device * dev,
1086 struct ieee80211_action * action,
1087 struct ieee80211_rx_stats * stats);
3f552bbf
JK		 1088 int (*handle_disassoc) (struct net_device * dev,
1089 struct ieee80211_disassoc * assoc);
1090 int (*handle_beacon) (struct net_device * dev,
1091 struct ieee80211_beacon * beacon,
1092 struct ieee80211_network * network);
1093 int (*handle_probe_response) (struct net_device * dev,
1094 struct ieee80211_probe_response * resp,
1095 struct ieee80211_network * network);
42c94e43
JK		 1096 int (*handle_probe_request) (struct net_device * dev,
1097 struct ieee80211_probe_request * req,
1098 struct ieee80211_rx_stats * stats);
3f552bbf
JK		 1099 int (*handle_assoc_response) (struct net_device * dev,
1100 struct ieee80211_assoc_response * resp,
1101 struct ieee80211_network * network);
1102
1103 /* Typical AP methods */
1104 int (*handle_assoc_request) (struct net_device * dev);
1105 int (*handle_reassoc_request) (struct net_device * dev,
1106 struct ieee80211_reassoc_request * req);
b453872c
JG		 1107
1108 /* This must be the last item so that it points to the data
1109 * allocated beyond this structure by alloc_ieee80211 */
1110 u8 priv[0];
1111};
1112
1113#define IEEE_A (1<<0)
1114#define IEEE_B (1<<1)
1115#define IEEE_G (1<<2)
1116#define IEEE_MODE_MASK (IEEE_A|IEEE_B|IEEE_G)
1117
9ba7e0d1 1118static inline void *ieee80211_priv(struct net_device *dev)
b453872c
JG		 1119{
1120 return ((struct ieee80211_device *)netdev_priv(dev))->priv;
1121}
1122
9ba7e0d1 1123static inline int ieee80211_is_empty_essid(const char *essid, int essid_len)
b453872c
JG		 1124{
1125 /* Single white space is for Linksys APs */
1126 if (essid_len == 1 && essid[0] == ' ')
1127 return 1;
1128
1129 /* Otherwise, if the entire essid is 0, we assume it is hidden */
1130 while (essid_len) {
1131 essid_len--;
1132 if (essid[essid_len] != '\0')
1133 return 0;
1134 }
1135
1136 return 1;
1137}
1138
9ba7e0d1 1139static inline int ieee80211_is_valid_mode(struct ieee80211_device *ieee,
74079fdc 1140 int mode)
b453872c
JG		 1141{
1142 /*
1143 * It is possible for both access points and our device to support
1144 * combinations of modes, so as long as there is one valid combination
1145 * of ap/device supported modes, then return success
1146 *
1147 */
1148 if ((mode & IEEE_A) &&
1149 (ieee->modulation & IEEE80211_OFDM_MODULATION) &&
1150 (ieee->freq_band & IEEE80211_52GHZ_BAND))
1151 return 1;
1152
1153 if ((mode & IEEE_G) &&
1154 (ieee->modulation & IEEE80211_OFDM_MODULATION) &&
1155 (ieee->freq_band & IEEE80211_24GHZ_BAND))
1156 return 1;
1157
1158 if ((mode & IEEE_B) &&
1159 (ieee->modulation & IEEE80211_CCK_MODULATION) &&
1160 (ieee->freq_band & IEEE80211_24GHZ_BAND))
1161 return 1;
1162
1163 return 0;
1164}
1165
9ba7e0d1 1166static inline int ieee80211_get_hdrlen(u16 fc)
b453872c 1167{
286d9747 1168 int hdrlen = IEEE80211_3ADDR_LEN;
9e8571af 1169 u16 stype = WLAN_FC_GET_STYPE(fc);
b453872c
JG		 1170
1171 switch (WLAN_FC_GET_TYPE(fc)) {
1172 case IEEE80211_FTYPE_DATA:
1173 if ((fc & IEEE80211_FCTL_FROMDS) && (fc & IEEE80211_FCTL_TODS))
286d9747 1174 hdrlen = IEEE80211_4ADDR_LEN;
9e8571af
JK		 1175 if (stype & IEEE80211_STYPE_QOS_DATA)
1176 hdrlen += 2;
b453872c
JG		 1177 break;
1178 case IEEE80211_FTYPE_CTL:
1179 switch (WLAN_FC_GET_STYPE(fc)) {
1180 case IEEE80211_STYPE_CTS:
1181 case IEEE80211_STYPE_ACK:
286d9747 1182 hdrlen = IEEE80211_1ADDR_LEN;
b453872c
JG		 1183 break;
1184 default:
286d9747 1185 hdrlen = IEEE80211_2ADDR_LEN;
b453872c
JG		 1186 break;
1187 }
1188 break;
1189 }
1190
1191 return hdrlen;
1192}
1193
9ba7e0d1 1194static inline u8 *ieee80211_get_payload(struct ieee80211_hdr *hdr)
ee34af37
JK		 1195{
1196 switch (ieee80211_get_hdrlen(le16_to_cpu(hdr->frame_ctl))) {
1197 case IEEE80211_1ADDR_LEN:
1198 return ((struct ieee80211_hdr_1addr *)hdr)->payload;
1199 case IEEE80211_2ADDR_LEN:
1200 return ((struct ieee80211_hdr_2addr *)hdr)->payload;
1201 case IEEE80211_3ADDR_LEN:
1202 return ((struct ieee80211_hdr_3addr *)hdr)->payload;
1203 case IEEE80211_4ADDR_LEN:
1204 return ((struct ieee80211_hdr_4addr *)hdr)->payload;
1205 }
cea00da3 1206 return NULL;
ee34af37
JK		 1207}
1208
7c254d3d
ID		 1209static inline int ieee80211_is_ofdm_rate(u8 rate)
1210{
1211 switch (rate & ~IEEE80211_BASIC_RATE_MASK) {
1212 case IEEE80211_OFDM_RATE_6MB:
1213 case IEEE80211_OFDM_RATE_9MB:
1214 case IEEE80211_OFDM_RATE_12MB:
1215 case IEEE80211_OFDM_RATE_18MB:
1216 case IEEE80211_OFDM_RATE_24MB:
1217 case IEEE80211_OFDM_RATE_36MB:
1218 case IEEE80211_OFDM_RATE_48MB:
1219 case IEEE80211_OFDM_RATE_54MB:
1220 return 1;
1221 }
1222 return 0;
1223}
1224
1225static inline int ieee80211_is_cck_rate(u8 rate)
1226{
1227 switch (rate & ~IEEE80211_BASIC_RATE_MASK) {
1228 case IEEE80211_CCK_RATE_1MB:
1229 case IEEE80211_CCK_RATE_2MB:
1230 case IEEE80211_CCK_RATE_5MB:
1231 case IEEE80211_CCK_RATE_11MB:
1232 return 1;
1233 }
1234 return 0;
1235}
1236
b453872c
JG		 1237/* ieee80211.c */
1238extern void free_ieee80211(struct net_device *dev);
1239extern struct net_device *alloc_ieee80211(int sizeof_priv);
1240
1241extern int ieee80211_set_encryption(struct ieee80211_device *ieee);
1242
1243/* ieee80211_tx.c */
74079fdc 1244extern int ieee80211_xmit(struct sk_buff *skb, struct net_device *dev);
b453872c 1245extern void ieee80211_txb_free(struct ieee80211_txb *);
3f552bbf
JK		 1246extern int ieee80211_tx_frame(struct ieee80211_device *ieee,
1247 struct ieee80211_hdr *frame, int len);
b453872c 1248
b453872c
JG		 1249/* ieee80211_rx.c */
1250extern int ieee80211_rx(struct ieee80211_device *ieee, struct sk_buff *skb,
1251 struct ieee80211_rx_stats *rx_stats);
c9fa7d5d 1252/* make sure to set stats->len */
b453872c 1253extern void ieee80211_rx_mgt(struct ieee80211_device *ieee,
ee34af37 1254 struct ieee80211_hdr_4addr *header,
b453872c 1255 struct ieee80211_rx_stats *stats);
b79e20b6 1256extern void ieee80211_network_reset(struct ieee80211_network *network);
b453872c 1257
02cda6ae
JK		 1258/* ieee80211_geo.c */
1259extern const struct ieee80211_geo *ieee80211_get_geo(struct ieee80211_device
1260 *ieee);
1261extern int ieee80211_set_geo(struct ieee80211_device *ieee,
1262 const struct ieee80211_geo *geo);
1263
1264extern int ieee80211_is_valid_channel(struct ieee80211_device *ieee,
1265 u8 channel);
1266extern int ieee80211_channel_to_index(struct ieee80211_device *ieee,
1267 u8 channel);
1268extern u8 ieee80211_freq_to_channel(struct ieee80211_device *ieee, u32 freq);
b79e20b6
ZY		 1269extern u8 ieee80211_get_channel_flags(struct ieee80211_device *ieee,
1270 u8 channel);
1271extern const struct ieee80211_channel *ieee80211_get_channel(struct
1272 ieee80211_device
1273 *ieee, u8 channel);
02cda6ae 1274
099c5bb1 1275/* ieee80211_wx.c */
b453872c
JG		 1276extern int ieee80211_wx_get_scan(struct ieee80211_device *ieee,
1277 struct iw_request_info *info,
1278 union iwreq_data *wrqu, char *key);
1279extern int ieee80211_wx_set_encode(struct ieee80211_device *ieee,
1280 struct iw_request_info *info,
1281 union iwreq_data *wrqu, char *key);
1282extern int ieee80211_wx_get_encode(struct ieee80211_device *ieee,
1283 struct iw_request_info *info,
1284 union iwreq_data *wrqu, char *key);
e0d369d1
JK		 1285extern int ieee80211_wx_set_encodeext(struct ieee80211_device *ieee,
1286 struct iw_request_info *info,
1287 union iwreq_data *wrqu, char *extra);
1288extern int ieee80211_wx_get_encodeext(struct ieee80211_device *ieee,
1289 struct iw_request_info *info,
1290 union iwreq_data *wrqu, char *extra);
dd5eeb46
LF		 1291extern int ieee80211_wx_set_auth(struct net_device *dev,
1292 struct iw_request_info *info,
1293 union iwreq_data *wrqu,
1294 char *extra);
1295extern int ieee80211_wx_get_auth(struct net_device *dev,
1296 struct iw_request_info *info,
1297 union iwreq_data *wrqu,
1298 char *extra);
b453872c 1299
9ba7e0d1 1300static inline void ieee80211_increment_scans(struct ieee80211_device *ieee)
b453872c
JG		 1301{
1302 ieee->scans++;
1303}
1304
9ba7e0d1 1305static inline int ieee80211_get_scans(struct ieee80211_device *ieee)
b453872c
JG		 1306{
1307 return ieee->scans;
1308}
1309
74079fdc 1310#endif /* IEEE80211_H */
Linux kernel - Deliverables
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