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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 | * <j@w1.fi> | |
10 | * Copyright (c) 2002-2003, Jouni Malinen <j@w1.fi> | |
11 | * | |
12 | * Adaption to a generic IEEE 802.11 stack by James Ketrenos | |
13 | * <jketreno@linux.intel.com> | |
14 | * Copyright (c) 2004-2005, 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 | * API Version History | |
22 | * 1.0.x -- Initial version | |
23 | * 1.1.x -- Added radiotap, QoS, TIM, libipw_geo APIs, | |
24 | * various structure changes, and crypto API init method | |
25 | */ | |
26 | #ifndef LIBIPW_H | |
27 | #define LIBIPW_H | |
28 | #include <linux/if_ether.h> /* ETH_ALEN */ | |
29 | #include <linux/kernel.h> /* ARRAY_SIZE */ | |
30 | #include <linux/wireless.h> | |
31 | #include <linux/ieee80211.h> | |
32 | ||
33 | #include <net/lib80211.h> | |
34 | #include <net/cfg80211.h> | |
35 | ||
36 | #define LIBIPW_VERSION "git-1.1.13" | |
37 | ||
38 | #define LIBIPW_DATA_LEN 2304 | |
39 | /* Maximum size for the MA-UNITDATA primitive, 802.11 standard section | |
40 | 6.2.1.1.2. | |
41 | ||
42 | The figure in section 7.1.2 suggests a body size of up to 2312 | |
43 | bytes is allowed, which is a bit confusing, I suspect this | |
44 | represents the 2304 bytes of real data, plus a possible 8 bytes of | |
45 | WEP IV and ICV. (this interpretation suggested by Ramiro Barreiro) */ | |
46 | ||
47 | #define LIBIPW_1ADDR_LEN 10 | |
48 | #define LIBIPW_2ADDR_LEN 16 | |
49 | #define LIBIPW_3ADDR_LEN 24 | |
50 | #define LIBIPW_4ADDR_LEN 30 | |
51 | #define LIBIPW_FCS_LEN 4 | |
52 | #define LIBIPW_HLEN (LIBIPW_4ADDR_LEN) | |
53 | #define LIBIPW_FRAME_LEN (LIBIPW_DATA_LEN + LIBIPW_HLEN) | |
54 | ||
55 | #define MIN_FRAG_THRESHOLD 256U | |
56 | #define MAX_FRAG_THRESHOLD 2346U | |
57 | ||
58 | /* QOS control */ | |
59 | #define LIBIPW_QCTL_TID 0x000F | |
60 | ||
61 | /* debug macros */ | |
62 | ||
63 | #ifdef CONFIG_LIBIPW_DEBUG | |
64 | extern u32 libipw_debug_level; | |
65 | #define LIBIPW_DEBUG(level, fmt, args...) \ | |
66 | do { if (libipw_debug_level & (level)) \ | |
67 | printk(KERN_DEBUG "libipw: %c %s " fmt, \ | |
68 | in_interrupt() ? 'I' : 'U', __func__ , ## args); } while (0) | |
69 | static inline bool libipw_ratelimit_debug(u32 level) | |
70 | { | |
71 | return (libipw_debug_level & level) && net_ratelimit(); | |
72 | } | |
73 | #else | |
74 | #define LIBIPW_DEBUG(level, fmt, args...) do {} while (0) | |
75 | static inline bool libipw_ratelimit_debug(u32 level) | |
76 | { | |
77 | return false; | |
78 | } | |
79 | #endif /* CONFIG_LIBIPW_DEBUG */ | |
80 | ||
81 | /* | |
82 | * To use the debug system: | |
83 | * | |
84 | * If you are defining a new debug classification, simply add it to the #define | |
85 | * list here in the form of: | |
86 | * | |
87 | * #define LIBIPW_DL_xxxx VALUE | |
88 | * | |
89 | * shifting value to the left one bit from the previous entry. xxxx should be | |
90 | * the name of the classification (for example, WEP) | |
91 | * | |
92 | * You then need to either add a LIBIPW_xxxx_DEBUG() macro definition for your | |
93 | * classification, or use LIBIPW_DEBUG(LIBIPW_DL_xxxx, ...) whenever you want | |
94 | * to send output to that classification. | |
95 | * | |
96 | * To add your debug level to the list of levels seen when you perform | |
97 | * | |
98 | * % cat /proc/net/ieee80211/debug_level | |
99 | * | |
100 | * you simply need to add your entry to the libipw_debug_level array. | |
101 | * | |
102 | * If you do not see debug_level in /proc/net/ieee80211 then you do not have | |
103 | * CONFIG_LIBIPW_DEBUG defined in your kernel configuration | |
104 | * | |
105 | */ | |
106 | ||
107 | #define LIBIPW_DL_INFO (1<<0) | |
108 | #define LIBIPW_DL_WX (1<<1) | |
109 | #define LIBIPW_DL_SCAN (1<<2) | |
110 | #define LIBIPW_DL_STATE (1<<3) | |
111 | #define LIBIPW_DL_MGMT (1<<4) | |
112 | #define LIBIPW_DL_FRAG (1<<5) | |
113 | #define LIBIPW_DL_DROP (1<<7) | |
114 | ||
115 | #define LIBIPW_DL_TX (1<<8) | |
116 | #define LIBIPW_DL_RX (1<<9) | |
117 | #define LIBIPW_DL_QOS (1<<31) | |
118 | ||
119 | #define LIBIPW_ERROR(f, a...) printk(KERN_ERR "libipw: " f, ## a) | |
120 | #define LIBIPW_WARNING(f, a...) printk(KERN_WARNING "libipw: " f, ## a) | |
121 | #define LIBIPW_DEBUG_INFO(f, a...) LIBIPW_DEBUG(LIBIPW_DL_INFO, f, ## a) | |
122 | ||
123 | #define LIBIPW_DEBUG_WX(f, a...) LIBIPW_DEBUG(LIBIPW_DL_WX, f, ## a) | |
124 | #define LIBIPW_DEBUG_SCAN(f, a...) LIBIPW_DEBUG(LIBIPW_DL_SCAN, f, ## a) | |
125 | #define LIBIPW_DEBUG_STATE(f, a...) LIBIPW_DEBUG(LIBIPW_DL_STATE, f, ## a) | |
126 | #define LIBIPW_DEBUG_MGMT(f, a...) LIBIPW_DEBUG(LIBIPW_DL_MGMT, f, ## a) | |
127 | #define LIBIPW_DEBUG_FRAG(f, a...) LIBIPW_DEBUG(LIBIPW_DL_FRAG, f, ## a) | |
128 | #define LIBIPW_DEBUG_DROP(f, a...) LIBIPW_DEBUG(LIBIPW_DL_DROP, f, ## a) | |
129 | #define LIBIPW_DEBUG_TX(f, a...) LIBIPW_DEBUG(LIBIPW_DL_TX, f, ## a) | |
130 | #define LIBIPW_DEBUG_RX(f, a...) LIBIPW_DEBUG(LIBIPW_DL_RX, f, ## a) | |
131 | #define LIBIPW_DEBUG_QOS(f, a...) LIBIPW_DEBUG(LIBIPW_DL_QOS, f, ## a) | |
132 | #include <linux/netdevice.h> | |
133 | #include <linux/if_arp.h> /* ARPHRD_ETHER */ | |
134 | ||
135 | #ifndef WIRELESS_SPY | |
136 | #define WIRELESS_SPY /* enable iwspy support */ | |
137 | #endif | |
138 | #include <net/iw_handler.h> /* new driver API */ | |
139 | ||
140 | #define ETH_P_PREAUTH 0x88C7 /* IEEE 802.11i pre-authentication */ | |
141 | ||
142 | #ifndef ETH_P_80211_RAW | |
143 | #define ETH_P_80211_RAW (ETH_P_ECONET + 1) | |
144 | #endif | |
145 | ||
146 | /* IEEE 802.11 defines */ | |
147 | ||
148 | #define P80211_OUI_LEN 3 | |
149 | ||
150 | struct libipw_snap_hdr { | |
151 | ||
152 | u8 dsap; /* always 0xAA */ | |
153 | u8 ssap; /* always 0xAA */ | |
154 | u8 ctrl; /* always 0x03 */ | |
155 | u8 oui[P80211_OUI_LEN]; /* organizational universal id */ | |
156 | ||
157 | } __packed; | |
158 | ||
159 | #define SNAP_SIZE sizeof(struct libipw_snap_hdr) | |
160 | ||
161 | #define WLAN_FC_GET_VERS(fc) ((fc) & IEEE80211_FCTL_VERS) | |
162 | #define WLAN_FC_GET_TYPE(fc) ((fc) & IEEE80211_FCTL_FTYPE) | |
163 | #define WLAN_FC_GET_STYPE(fc) ((fc) & IEEE80211_FCTL_STYPE) | |
164 | ||
165 | #define WLAN_GET_SEQ_FRAG(seq) ((seq) & IEEE80211_SCTL_FRAG) | |
166 | #define WLAN_GET_SEQ_SEQ(seq) (((seq) & IEEE80211_SCTL_SEQ) >> 4) | |
167 | ||
168 | #define LIBIPW_STATMASK_SIGNAL (1<<0) | |
169 | #define LIBIPW_STATMASK_RSSI (1<<1) | |
170 | #define LIBIPW_STATMASK_NOISE (1<<2) | |
171 | #define LIBIPW_STATMASK_RATE (1<<3) | |
172 | #define LIBIPW_STATMASK_WEMASK 0x7 | |
173 | ||
174 | #define LIBIPW_CCK_MODULATION (1<<0) | |
175 | #define LIBIPW_OFDM_MODULATION (1<<1) | |
176 | ||
177 | #define LIBIPW_24GHZ_BAND (1<<0) | |
178 | #define LIBIPW_52GHZ_BAND (1<<1) | |
179 | ||
180 | #define LIBIPW_CCK_RATE_1MB 0x02 | |
181 | #define LIBIPW_CCK_RATE_2MB 0x04 | |
182 | #define LIBIPW_CCK_RATE_5MB 0x0B | |
183 | #define LIBIPW_CCK_RATE_11MB 0x16 | |
184 | #define LIBIPW_OFDM_RATE_6MB 0x0C | |
185 | #define LIBIPW_OFDM_RATE_9MB 0x12 | |
186 | #define LIBIPW_OFDM_RATE_12MB 0x18 | |
187 | #define LIBIPW_OFDM_RATE_18MB 0x24 | |
188 | #define LIBIPW_OFDM_RATE_24MB 0x30 | |
189 | #define LIBIPW_OFDM_RATE_36MB 0x48 | |
190 | #define LIBIPW_OFDM_RATE_48MB 0x60 | |
191 | #define LIBIPW_OFDM_RATE_54MB 0x6C | |
192 | #define LIBIPW_BASIC_RATE_MASK 0x80 | |
193 | ||
194 | #define LIBIPW_CCK_RATE_1MB_MASK (1<<0) | |
195 | #define LIBIPW_CCK_RATE_2MB_MASK (1<<1) | |
196 | #define LIBIPW_CCK_RATE_5MB_MASK (1<<2) | |
197 | #define LIBIPW_CCK_RATE_11MB_MASK (1<<3) | |
198 | #define LIBIPW_OFDM_RATE_6MB_MASK (1<<4) | |
199 | #define LIBIPW_OFDM_RATE_9MB_MASK (1<<5) | |
200 | #define LIBIPW_OFDM_RATE_12MB_MASK (1<<6) | |
201 | #define LIBIPW_OFDM_RATE_18MB_MASK (1<<7) | |
202 | #define LIBIPW_OFDM_RATE_24MB_MASK (1<<8) | |
203 | #define LIBIPW_OFDM_RATE_36MB_MASK (1<<9) | |
204 | #define LIBIPW_OFDM_RATE_48MB_MASK (1<<10) | |
205 | #define LIBIPW_OFDM_RATE_54MB_MASK (1<<11) | |
206 | ||
207 | #define LIBIPW_CCK_RATES_MASK 0x0000000F | |
208 | #define LIBIPW_CCK_BASIC_RATES_MASK (LIBIPW_CCK_RATE_1MB_MASK | \ | |
209 | LIBIPW_CCK_RATE_2MB_MASK) | |
210 | #define LIBIPW_CCK_DEFAULT_RATES_MASK (LIBIPW_CCK_BASIC_RATES_MASK | \ | |
211 | LIBIPW_CCK_RATE_5MB_MASK | \ | |
212 | LIBIPW_CCK_RATE_11MB_MASK) | |
213 | ||
214 | #define LIBIPW_OFDM_RATES_MASK 0x00000FF0 | |
215 | #define LIBIPW_OFDM_BASIC_RATES_MASK (LIBIPW_OFDM_RATE_6MB_MASK | \ | |
216 | LIBIPW_OFDM_RATE_12MB_MASK | \ | |
217 | LIBIPW_OFDM_RATE_24MB_MASK) | |
218 | #define LIBIPW_OFDM_DEFAULT_RATES_MASK (LIBIPW_OFDM_BASIC_RATES_MASK | \ | |
219 | LIBIPW_OFDM_RATE_9MB_MASK | \ | |
220 | LIBIPW_OFDM_RATE_18MB_MASK | \ | |
221 | LIBIPW_OFDM_RATE_36MB_MASK | \ | |
222 | LIBIPW_OFDM_RATE_48MB_MASK | \ | |
223 | LIBIPW_OFDM_RATE_54MB_MASK) | |
224 | #define LIBIPW_DEFAULT_RATES_MASK (LIBIPW_OFDM_DEFAULT_RATES_MASK | \ | |
225 | LIBIPW_CCK_DEFAULT_RATES_MASK) | |
226 | ||
227 | #define LIBIPW_NUM_OFDM_RATES 8 | |
228 | #define LIBIPW_NUM_CCK_RATES 4 | |
229 | #define LIBIPW_OFDM_SHIFT_MASK_A 4 | |
230 | ||
231 | /* NOTE: This data is for statistical purposes; not all hardware provides this | |
232 | * information for frames received. | |
233 | * For libipw_rx_mgt, you need to set at least the 'len' parameter. | |
234 | */ | |
235 | struct libipw_rx_stats { | |
236 | u32 mac_time; | |
237 | s8 rssi; | |
238 | u8 signal; | |
239 | u8 noise; | |
240 | u16 rate; /* in 100 kbps */ | |
241 | u8 received_channel; | |
242 | u8 control; | |
243 | u8 mask; | |
244 | u8 freq; | |
245 | u16 len; | |
246 | u64 tsf; | |
247 | u32 beacon_time; | |
248 | }; | |
249 | ||
250 | /* IEEE 802.11 requires that STA supports concurrent reception of at least | |
251 | * three fragmented frames. This define can be increased to support more | |
252 | * concurrent frames, but it should be noted that each entry can consume about | |
253 | * 2 kB of RAM and increasing cache size will slow down frame reassembly. */ | |
254 | #define LIBIPW_FRAG_CACHE_LEN 4 | |
255 | ||
256 | struct libipw_frag_entry { | |
257 | unsigned long first_frag_time; | |
258 | unsigned int seq; | |
259 | unsigned int last_frag; | |
260 | struct sk_buff *skb; | |
261 | u8 src_addr[ETH_ALEN]; | |
262 | u8 dst_addr[ETH_ALEN]; | |
263 | }; | |
264 | ||
265 | struct libipw_stats { | |
266 | unsigned int tx_unicast_frames; | |
267 | unsigned int tx_multicast_frames; | |
268 | unsigned int tx_fragments; | |
269 | unsigned int tx_unicast_octets; | |
270 | unsigned int tx_multicast_octets; | |
271 | unsigned int tx_deferred_transmissions; | |
272 | unsigned int tx_single_retry_frames; | |
273 | unsigned int tx_multiple_retry_frames; | |
274 | unsigned int tx_retry_limit_exceeded; | |
275 | unsigned int tx_discards; | |
276 | unsigned int rx_unicast_frames; | |
277 | unsigned int rx_multicast_frames; | |
278 | unsigned int rx_fragments; | |
279 | unsigned int rx_unicast_octets; | |
280 | unsigned int rx_multicast_octets; | |
281 | unsigned int rx_fcs_errors; | |
282 | unsigned int rx_discards_no_buffer; | |
283 | unsigned int tx_discards_wrong_sa; | |
284 | unsigned int rx_discards_undecryptable; | |
285 | unsigned int rx_message_in_msg_fragments; | |
286 | unsigned int rx_message_in_bad_msg_fragments; | |
287 | }; | |
288 | ||
289 | struct libipw_device; | |
290 | ||
291 | #define SEC_KEY_1 (1<<0) | |
292 | #define SEC_KEY_2 (1<<1) | |
293 | #define SEC_KEY_3 (1<<2) | |
294 | #define SEC_KEY_4 (1<<3) | |
295 | #define SEC_ACTIVE_KEY (1<<4) | |
296 | #define SEC_AUTH_MODE (1<<5) | |
297 | #define SEC_UNICAST_GROUP (1<<6) | |
298 | #define SEC_LEVEL (1<<7) | |
299 | #define SEC_ENABLED (1<<8) | |
300 | #define SEC_ENCRYPT (1<<9) | |
301 | ||
302 | #define SEC_LEVEL_0 0 /* None */ | |
303 | #define SEC_LEVEL_1 1 /* WEP 40 and 104 bit */ | |
304 | #define SEC_LEVEL_2 2 /* Level 1 + TKIP */ | |
305 | #define SEC_LEVEL_2_CKIP 3 /* Level 1 + CKIP */ | |
306 | #define SEC_LEVEL_3 4 /* Level 2 + CCMP */ | |
307 | ||
308 | #define SEC_ALG_NONE 0 | |
309 | #define SEC_ALG_WEP 1 | |
310 | #define SEC_ALG_TKIP 2 | |
311 | #define SEC_ALG_CCMP 3 | |
312 | ||
313 | #define WEP_KEYS 4 | |
314 | #define WEP_KEY_LEN 13 | |
315 | #define SCM_KEY_LEN 32 | |
316 | #define SCM_TEMPORAL_KEY_LENGTH 16 | |
317 | ||
318 | struct libipw_security { | |
319 | u16 active_key:2, enabled:1, unicast_uses_group:1, encrypt:1; | |
320 | u8 auth_mode; | |
321 | u8 encode_alg[WEP_KEYS]; | |
322 | u8 key_sizes[WEP_KEYS]; | |
323 | u8 keys[WEP_KEYS][SCM_KEY_LEN]; | |
324 | u8 level; | |
325 | u16 flags; | |
326 | } __packed; | |
327 | ||
328 | /* | |
329 | ||
330 | 802.11 data frame from AP | |
331 | ||
332 | ,-------------------------------------------------------------------. | |
333 | Bytes | 2 | 2 | 6 | 6 | 6 | 2 | 0..2312 | 4 | | |
334 | |------|------|---------|---------|---------|------|---------|------| | |
335 | Desc. | ctrl | dura | DA/RA | TA | SA | Sequ | frame | fcs | | |
336 | | | tion | (BSSID) | | | ence | data | | | |
337 | `-------------------------------------------------------------------' | |
338 | ||
339 | Total: 28-2340 bytes | |
340 | ||
341 | */ | |
342 | ||
343 | #define BEACON_PROBE_SSID_ID_POSITION 12 | |
344 | ||
345 | struct libipw_hdr_1addr { | |
346 | __le16 frame_ctl; | |
347 | __le16 duration_id; | |
348 | u8 addr1[ETH_ALEN]; | |
349 | u8 payload[0]; | |
350 | } __packed; | |
351 | ||
352 | struct libipw_hdr_2addr { | |
353 | __le16 frame_ctl; | |
354 | __le16 duration_id; | |
355 | u8 addr1[ETH_ALEN]; | |
356 | u8 addr2[ETH_ALEN]; | |
357 | u8 payload[0]; | |
358 | } __packed; | |
359 | ||
360 | struct libipw_hdr_3addr { | |
361 | __le16 frame_ctl; | |
362 | __le16 duration_id; | |
363 | u8 addr1[ETH_ALEN]; | |
364 | u8 addr2[ETH_ALEN]; | |
365 | u8 addr3[ETH_ALEN]; | |
366 | __le16 seq_ctl; | |
367 | u8 payload[0]; | |
368 | } __packed; | |
369 | ||
370 | struct libipw_hdr_4addr { | |
371 | __le16 frame_ctl; | |
372 | __le16 duration_id; | |
373 | u8 addr1[ETH_ALEN]; | |
374 | u8 addr2[ETH_ALEN]; | |
375 | u8 addr3[ETH_ALEN]; | |
376 | __le16 seq_ctl; | |
377 | u8 addr4[ETH_ALEN]; | |
378 | u8 payload[0]; | |
379 | } __packed; | |
380 | ||
381 | struct libipw_hdr_3addrqos { | |
382 | __le16 frame_ctl; | |
383 | __le16 duration_id; | |
384 | u8 addr1[ETH_ALEN]; | |
385 | u8 addr2[ETH_ALEN]; | |
386 | u8 addr3[ETH_ALEN]; | |
387 | __le16 seq_ctl; | |
388 | u8 payload[0]; | |
389 | __le16 qos_ctl; | |
390 | } __packed; | |
391 | ||
392 | struct libipw_info_element { | |
393 | u8 id; | |
394 | u8 len; | |
395 | u8 data[0]; | |
396 | } __packed; | |
397 | ||
398 | /* | |
399 | * These are the data types that can make up management packets | |
400 | * | |
401 | u16 auth_algorithm; | |
402 | u16 auth_sequence; | |
403 | u16 beacon_interval; | |
404 | u16 capability; | |
405 | u8 current_ap[ETH_ALEN]; | |
406 | u16 listen_interval; | |
407 | struct { | |
408 | u16 association_id:14, reserved:2; | |
409 | } __packed; | |
410 | u32 time_stamp[2]; | |
411 | u16 reason; | |
412 | u16 status; | |
413 | */ | |
414 | ||
415 | struct libipw_auth { | |
416 | struct libipw_hdr_3addr header; | |
417 | __le16 algorithm; | |
418 | __le16 transaction; | |
419 | __le16 status; | |
420 | /* challenge */ | |
421 | struct libipw_info_element info_element[0]; | |
422 | } __packed; | |
423 | ||
424 | struct libipw_channel_switch { | |
425 | u8 id; | |
426 | u8 len; | |
427 | u8 mode; | |
428 | u8 channel; | |
429 | u8 count; | |
430 | } __packed; | |
431 | ||
432 | struct libipw_action { | |
433 | struct libipw_hdr_3addr header; | |
434 | u8 category; | |
435 | u8 action; | |
436 | union { | |
437 | struct libipw_action_exchange { | |
438 | u8 token; | |
439 | struct libipw_info_element info_element[0]; | |
440 | } exchange; | |
441 | struct libipw_channel_switch channel_switch; | |
442 | ||
443 | } format; | |
444 | } __packed; | |
445 | ||
446 | struct libipw_disassoc { | |
447 | struct libipw_hdr_3addr header; | |
448 | __le16 reason; | |
449 | } __packed; | |
450 | ||
451 | /* Alias deauth for disassoc */ | |
452 | #define libipw_deauth libipw_disassoc | |
453 | ||
454 | struct libipw_probe_request { | |
455 | struct libipw_hdr_3addr header; | |
456 | /* SSID, supported rates */ | |
457 | struct libipw_info_element info_element[0]; | |
458 | } __packed; | |
459 | ||
460 | struct libipw_probe_response { | |
461 | struct libipw_hdr_3addr header; | |
462 | __le32 time_stamp[2]; | |
463 | __le16 beacon_interval; | |
464 | __le16 capability; | |
465 | /* SSID, supported rates, FH params, DS params, | |
466 | * CF params, IBSS params, TIM (if beacon), RSN */ | |
467 | struct libipw_info_element info_element[0]; | |
468 | } __packed; | |
469 | ||
470 | /* Alias beacon for probe_response */ | |
471 | #define libipw_beacon libipw_probe_response | |
472 | ||
473 | struct libipw_assoc_request { | |
474 | struct libipw_hdr_3addr header; | |
475 | __le16 capability; | |
476 | __le16 listen_interval; | |
477 | /* SSID, supported rates, RSN */ | |
478 | struct libipw_info_element info_element[0]; | |
479 | } __packed; | |
480 | ||
481 | struct libipw_reassoc_request { | |
482 | struct libipw_hdr_3addr header; | |
483 | __le16 capability; | |
484 | __le16 listen_interval; | |
485 | u8 current_ap[ETH_ALEN]; | |
486 | struct libipw_info_element info_element[0]; | |
487 | } __packed; | |
488 | ||
489 | struct libipw_assoc_response { | |
490 | struct libipw_hdr_3addr header; | |
491 | __le16 capability; | |
492 | __le16 status; | |
493 | __le16 aid; | |
494 | /* supported rates */ | |
495 | struct libipw_info_element info_element[0]; | |
496 | } __packed; | |
497 | ||
498 | struct libipw_txb { | |
499 | u8 nr_frags; | |
500 | u8 encrypted; | |
501 | u8 rts_included; | |
502 | u8 reserved; | |
503 | u16 frag_size; | |
504 | u16 payload_size; | |
505 | struct sk_buff *fragments[0]; | |
506 | }; | |
507 | ||
508 | /* SWEEP TABLE ENTRIES NUMBER */ | |
509 | #define MAX_SWEEP_TAB_ENTRIES 42 | |
510 | #define MAX_SWEEP_TAB_ENTRIES_PER_PACKET 7 | |
511 | /* MAX_RATES_LENGTH needs to be 12. The spec says 8, and many APs | |
512 | * only use 8, and then use extended rates for the remaining supported | |
513 | * rates. Other APs, however, stick all of their supported rates on the | |
514 | * main rates information element... */ | |
515 | #define MAX_RATES_LENGTH ((u8)12) | |
516 | #define MAX_RATES_EX_LENGTH ((u8)16) | |
517 | #define MAX_NETWORK_COUNT 128 | |
518 | ||
519 | #define CRC_LENGTH 4U | |
520 | ||
521 | #define MAX_WPA_IE_LEN 64 | |
522 | ||
523 | #define NETWORK_HAS_OFDM (1<<1) | |
524 | #define NETWORK_HAS_CCK (1<<2) | |
525 | ||
526 | /* QoS structure */ | |
527 | #define NETWORK_HAS_QOS_PARAMETERS (1<<3) | |
528 | #define NETWORK_HAS_QOS_INFORMATION (1<<4) | |
529 | #define NETWORK_HAS_QOS_MASK (NETWORK_HAS_QOS_PARAMETERS | \ | |
530 | NETWORK_HAS_QOS_INFORMATION) | |
531 | ||
532 | /* 802.11h */ | |
533 | #define NETWORK_HAS_POWER_CONSTRAINT (1<<5) | |
534 | #define NETWORK_HAS_CSA (1<<6) | |
535 | #define NETWORK_HAS_QUIET (1<<7) | |
536 | #define NETWORK_HAS_IBSS_DFS (1<<8) | |
537 | #define NETWORK_HAS_TPC_REPORT (1<<9) | |
538 | ||
539 | #define NETWORK_HAS_ERP_VALUE (1<<10) | |
540 | ||
541 | #define QOS_QUEUE_NUM 4 | |
542 | #define QOS_OUI_LEN 3 | |
543 | #define QOS_OUI_TYPE 2 | |
544 | #define QOS_ELEMENT_ID 221 | |
545 | #define QOS_OUI_INFO_SUB_TYPE 0 | |
546 | #define QOS_OUI_PARAM_SUB_TYPE 1 | |
547 | #define QOS_VERSION_1 1 | |
548 | #define QOS_AIFSN_MIN_VALUE 2 | |
549 | ||
550 | struct libipw_qos_information_element { | |
551 | u8 elementID; | |
552 | u8 length; | |
553 | u8 qui[QOS_OUI_LEN]; | |
554 | u8 qui_type; | |
555 | u8 qui_subtype; | |
556 | u8 version; | |
557 | u8 ac_info; | |
558 | } __packed; | |
559 | ||
560 | struct libipw_qos_ac_parameter { | |
561 | u8 aci_aifsn; | |
562 | u8 ecw_min_max; | |
563 | __le16 tx_op_limit; | |
564 | } __packed; | |
565 | ||
566 | struct libipw_qos_parameter_info { | |
567 | struct libipw_qos_information_element info_element; | |
568 | u8 reserved; | |
569 | struct libipw_qos_ac_parameter ac_params_record[QOS_QUEUE_NUM]; | |
570 | } __packed; | |
571 | ||
572 | struct libipw_qos_parameters { | |
573 | __le16 cw_min[QOS_QUEUE_NUM]; | |
574 | __le16 cw_max[QOS_QUEUE_NUM]; | |
575 | u8 aifs[QOS_QUEUE_NUM]; | |
576 | u8 flag[QOS_QUEUE_NUM]; | |
577 | __le16 tx_op_limit[QOS_QUEUE_NUM]; | |
578 | } __packed; | |
579 | ||
580 | struct libipw_qos_data { | |
581 | struct libipw_qos_parameters parameters; | |
582 | int active; | |
583 | int supported; | |
584 | u8 param_count; | |
585 | u8 old_param_count; | |
586 | }; | |
587 | ||
588 | struct libipw_tim_parameters { | |
589 | u8 tim_count; | |
590 | u8 tim_period; | |
591 | } __packed; | |
592 | ||
593 | /*******************************************************/ | |
594 | ||
595 | enum { /* libipw_basic_report.map */ | |
596 | LIBIPW_BASIC_MAP_BSS = (1 << 0), | |
597 | LIBIPW_BASIC_MAP_OFDM = (1 << 1), | |
598 | LIBIPW_BASIC_MAP_UNIDENTIFIED = (1 << 2), | |
599 | LIBIPW_BASIC_MAP_RADAR = (1 << 3), | |
600 | LIBIPW_BASIC_MAP_UNMEASURED = (1 << 4), | |
601 | /* Bits 5-7 are reserved */ | |
602 | ||
603 | }; | |
604 | struct libipw_basic_report { | |
605 | u8 channel; | |
606 | __le64 start_time; | |
607 | __le16 duration; | |
608 | u8 map; | |
609 | } __packed; | |
610 | ||
611 | enum { /* libipw_measurement_request.mode */ | |
612 | /* Bit 0 is reserved */ | |
613 | LIBIPW_MEASUREMENT_ENABLE = (1 << 1), | |
614 | LIBIPW_MEASUREMENT_REQUEST = (1 << 2), | |
615 | LIBIPW_MEASUREMENT_REPORT = (1 << 3), | |
616 | /* Bits 4-7 are reserved */ | |
617 | }; | |
618 | ||
619 | enum { | |
620 | LIBIPW_REPORT_BASIC = 0, /* required */ | |
621 | LIBIPW_REPORT_CCA = 1, /* optional */ | |
622 | LIBIPW_REPORT_RPI = 2, /* optional */ | |
623 | /* 3-255 reserved */ | |
624 | }; | |
625 | ||
626 | struct libipw_measurement_params { | |
627 | u8 channel; | |
628 | __le64 start_time; | |
629 | __le16 duration; | |
630 | } __packed; | |
631 | ||
632 | struct libipw_measurement_request { | |
633 | struct libipw_info_element ie; | |
634 | u8 token; | |
635 | u8 mode; | |
636 | u8 type; | |
637 | struct libipw_measurement_params params[0]; | |
638 | } __packed; | |
639 | ||
640 | struct libipw_measurement_report { | |
641 | struct libipw_info_element ie; | |
642 | u8 token; | |
643 | u8 mode; | |
644 | u8 type; | |
645 | union { | |
646 | struct libipw_basic_report basic[0]; | |
647 | } u; | |
648 | } __packed; | |
649 | ||
650 | struct libipw_tpc_report { | |
651 | u8 transmit_power; | |
652 | u8 link_margin; | |
653 | } __packed; | |
654 | ||
655 | struct libipw_channel_map { | |
656 | u8 channel; | |
657 | u8 map; | |
658 | } __packed; | |
659 | ||
660 | struct libipw_ibss_dfs { | |
661 | struct libipw_info_element ie; | |
662 | u8 owner[ETH_ALEN]; | |
663 | u8 recovery_interval; | |
664 | struct libipw_channel_map channel_map[0]; | |
665 | }; | |
666 | ||
667 | struct libipw_csa { | |
668 | u8 mode; | |
669 | u8 channel; | |
670 | u8 count; | |
671 | } __packed; | |
672 | ||
673 | struct libipw_quiet { | |
674 | u8 count; | |
675 | u8 period; | |
676 | u8 duration; | |
677 | u8 offset; | |
678 | } __packed; | |
679 | ||
680 | struct libipw_network { | |
681 | /* These entries are used to identify a unique network */ | |
682 | u8 bssid[ETH_ALEN]; | |
683 | u8 channel; | |
684 | /* Ensure null-terminated for any debug msgs */ | |
685 | u8 ssid[IW_ESSID_MAX_SIZE + 1]; | |
686 | u8 ssid_len; | |
687 | ||
688 | struct libipw_qos_data qos_data; | |
689 | ||
690 | /* These are network statistics */ | |
691 | struct libipw_rx_stats stats; | |
692 | u16 capability; | |
693 | u8 rates[MAX_RATES_LENGTH]; | |
694 | u8 rates_len; | |
695 | u8 rates_ex[MAX_RATES_EX_LENGTH]; | |
696 | u8 rates_ex_len; | |
697 | unsigned long last_scanned; | |
698 | u8 mode; | |
699 | u32 flags; | |
700 | u32 last_associate; | |
701 | u32 time_stamp[2]; | |
702 | u16 beacon_interval; | |
703 | u16 listen_interval; | |
704 | u16 atim_window; | |
705 | u8 erp_value; | |
706 | u8 wpa_ie[MAX_WPA_IE_LEN]; | |
707 | size_t wpa_ie_len; | |
708 | u8 rsn_ie[MAX_WPA_IE_LEN]; | |
709 | size_t rsn_ie_len; | |
710 | struct libipw_tim_parameters tim; | |
711 | ||
712 | /* 802.11h info */ | |
713 | ||
714 | /* Power Constraint - mandatory if spctrm mgmt required */ | |
715 | u8 power_constraint; | |
716 | ||
717 | /* TPC Report - mandatory if spctrm mgmt required */ | |
718 | struct libipw_tpc_report tpc_report; | |
719 | ||
720 | /* IBSS DFS - mandatory if spctrm mgmt required and IBSS | |
721 | * NOTE: This is variable length and so must be allocated dynamically */ | |
722 | struct libipw_ibss_dfs *ibss_dfs; | |
723 | ||
724 | /* Channel Switch Announcement - optional if spctrm mgmt required */ | |
725 | struct libipw_csa csa; | |
726 | ||
727 | /* Quiet - optional if spctrm mgmt required */ | |
728 | struct libipw_quiet quiet; | |
729 | ||
730 | struct list_head list; | |
731 | }; | |
732 | ||
733 | enum libipw_state { | |
734 | LIBIPW_UNINITIALIZED = 0, | |
735 | LIBIPW_INITIALIZED, | |
736 | LIBIPW_ASSOCIATING, | |
737 | LIBIPW_ASSOCIATED, | |
738 | LIBIPW_AUTHENTICATING, | |
739 | LIBIPW_AUTHENTICATED, | |
740 | LIBIPW_SHUTDOWN | |
741 | }; | |
742 | ||
743 | #define DEFAULT_MAX_SCAN_AGE (15 * HZ) | |
744 | #define DEFAULT_FTS 2346 | |
745 | ||
746 | #define CFG_LIBIPW_RESERVE_FCS (1<<0) | |
747 | #define CFG_LIBIPW_COMPUTE_FCS (1<<1) | |
748 | #define CFG_LIBIPW_RTS (1<<2) | |
749 | ||
750 | #define LIBIPW_24GHZ_MIN_CHANNEL 1 | |
751 | #define LIBIPW_24GHZ_MAX_CHANNEL 14 | |
752 | #define LIBIPW_24GHZ_CHANNELS (LIBIPW_24GHZ_MAX_CHANNEL - \ | |
753 | LIBIPW_24GHZ_MIN_CHANNEL + 1) | |
754 | ||
755 | #define LIBIPW_52GHZ_MIN_CHANNEL 34 | |
756 | #define LIBIPW_52GHZ_MAX_CHANNEL 165 | |
757 | #define LIBIPW_52GHZ_CHANNELS (LIBIPW_52GHZ_MAX_CHANNEL - \ | |
758 | LIBIPW_52GHZ_MIN_CHANNEL + 1) | |
759 | ||
760 | enum { | |
761 | LIBIPW_CH_PASSIVE_ONLY = (1 << 0), | |
762 | LIBIPW_CH_80211H_RULES = (1 << 1), | |
763 | LIBIPW_CH_B_ONLY = (1 << 2), | |
764 | LIBIPW_CH_NO_IBSS = (1 << 3), | |
765 | LIBIPW_CH_UNIFORM_SPREADING = (1 << 4), | |
766 | LIBIPW_CH_RADAR_DETECT = (1 << 5), | |
767 | LIBIPW_CH_INVALID = (1 << 6), | |
768 | }; | |
769 | ||
770 | struct libipw_channel { | |
771 | u32 freq; /* in MHz */ | |
772 | u8 channel; | |
773 | u8 flags; | |
774 | u8 max_power; /* in dBm */ | |
775 | }; | |
776 | ||
777 | struct libipw_geo { | |
778 | u8 name[4]; | |
779 | u8 bg_channels; | |
780 | u8 a_channels; | |
781 | struct libipw_channel bg[LIBIPW_24GHZ_CHANNELS]; | |
782 | struct libipw_channel a[LIBIPW_52GHZ_CHANNELS]; | |
783 | }; | |
784 | ||
785 | struct libipw_device { | |
786 | struct net_device *dev; | |
787 | struct wireless_dev wdev; | |
788 | struct libipw_security sec; | |
789 | ||
790 | /* Bookkeeping structures */ | |
791 | struct libipw_stats ieee_stats; | |
792 | ||
793 | struct libipw_geo geo; | |
794 | struct ieee80211_supported_band bg_band; | |
795 | struct ieee80211_supported_band a_band; | |
796 | ||
797 | /* Probe / Beacon management */ | |
798 | struct list_head network_free_list; | |
799 | struct list_head network_list; | |
800 | struct libipw_network *networks[MAX_NETWORK_COUNT]; | |
801 | int scans; | |
802 | int scan_age; | |
803 | ||
804 | int iw_mode; /* operating mode (IW_MODE_*) */ | |
805 | struct iw_spy_data spy_data; /* iwspy support */ | |
806 | ||
807 | spinlock_t lock; | |
808 | ||
809 | int tx_headroom; /* Set to size of any additional room needed at front | |
810 | * of allocated Tx SKBs */ | |
811 | u32 config; | |
812 | ||
813 | /* WEP and other encryption related settings at the device level */ | |
814 | int open_wep; /* Set to 1 to allow unencrypted frames */ | |
815 | ||
816 | int reset_on_keychange; /* Set to 1 if the HW needs to be reset on | |
817 | * WEP key changes */ | |
818 | ||
819 | /* If the host performs {en,de}cryption, then set to 1 */ | |
820 | int host_encrypt; | |
821 | int host_encrypt_msdu; | |
822 | int host_decrypt; | |
823 | /* host performs multicast decryption */ | |
824 | int host_mc_decrypt; | |
825 | ||
826 | /* host should strip IV and ICV from protected frames */ | |
827 | /* meaningful only when hardware decryption is being used */ | |
828 | int host_strip_iv_icv; | |
829 | ||
830 | int host_open_frag; | |
831 | int host_build_iv; | |
832 | int ieee802_1x; /* is IEEE 802.1X used */ | |
833 | ||
834 | /* WPA data */ | |
835 | int wpa_enabled; | |
836 | int drop_unencrypted; | |
837 | int privacy_invoked; | |
838 | size_t wpa_ie_len; | |
839 | u8 *wpa_ie; | |
840 | ||
841 | struct lib80211_crypt_info crypt_info; | |
842 | ||
843 | int bcrx_sta_key; /* use individual keys to override default keys even | |
844 | * with RX of broad/multicast frames */ | |
845 | ||
846 | /* Fragmentation structures */ | |
847 | struct libipw_frag_entry frag_cache[LIBIPW_FRAG_CACHE_LEN]; | |
848 | unsigned int frag_next_idx; | |
849 | u16 fts; /* Fragmentation Threshold */ | |
850 | u16 rts; /* RTS threshold */ | |
851 | ||
852 | /* Association info */ | |
853 | u8 bssid[ETH_ALEN]; | |
854 | ||
855 | enum libipw_state state; | |
856 | ||
857 | int mode; /* A, B, G */ | |
858 | int modulation; /* CCK, OFDM */ | |
859 | int freq_band; /* 2.4Ghz, 5.2Ghz, Mixed */ | |
860 | int abg_true; /* ABG flag */ | |
861 | ||
862 | int perfect_rssi; | |
863 | int worst_rssi; | |
864 | ||
865 | u16 prev_seq_ctl; /* used to drop duplicate frames */ | |
866 | ||
867 | /* Callback functions */ | |
868 | void (*set_security) (struct net_device * dev, | |
869 | struct libipw_security * sec); | |
870 | netdev_tx_t (*hard_start_xmit) (struct libipw_txb * txb, | |
871 | struct net_device * dev, int pri); | |
872 | int (*reset_port) (struct net_device * dev); | |
873 | int (*is_queue_full) (struct net_device * dev, int pri); | |
874 | ||
875 | int (*handle_management) (struct net_device * dev, | |
876 | struct libipw_network * network, u16 type); | |
877 | int (*is_qos_active) (struct net_device *dev, struct sk_buff *skb); | |
878 | ||
879 | /* Typical STA methods */ | |
880 | int (*handle_auth) (struct net_device * dev, | |
881 | struct libipw_auth * auth); | |
882 | int (*handle_deauth) (struct net_device * dev, | |
883 | struct libipw_deauth * auth); | |
884 | int (*handle_action) (struct net_device * dev, | |
885 | struct libipw_action * action, | |
886 | struct libipw_rx_stats * stats); | |
887 | int (*handle_disassoc) (struct net_device * dev, | |
888 | struct libipw_disassoc * assoc); | |
889 | int (*handle_beacon) (struct net_device * dev, | |
890 | struct libipw_beacon * beacon, | |
891 | struct libipw_network * network); | |
892 | int (*handle_probe_response) (struct net_device * dev, | |
893 | struct libipw_probe_response * resp, | |
894 | struct libipw_network * network); | |
895 | int (*handle_probe_request) (struct net_device * dev, | |
896 | struct libipw_probe_request * req, | |
897 | struct libipw_rx_stats * stats); | |
898 | int (*handle_assoc_response) (struct net_device * dev, | |
899 | struct libipw_assoc_response * resp, | |
900 | struct libipw_network * network); | |
901 | ||
902 | /* Typical AP methods */ | |
903 | int (*handle_assoc_request) (struct net_device * dev); | |
904 | int (*handle_reassoc_request) (struct net_device * dev, | |
905 | struct libipw_reassoc_request * req); | |
906 | ||
907 | /* This must be the last item so that it points to the data | |
908 | * allocated beyond this structure by alloc_libipw */ | |
909 | u8 priv[0]; | |
910 | }; | |
911 | ||
912 | #define IEEE_A (1<<0) | |
913 | #define IEEE_B (1<<1) | |
914 | #define IEEE_G (1<<2) | |
915 | #define IEEE_MODE_MASK (IEEE_A|IEEE_B|IEEE_G) | |
916 | ||
917 | static inline void *libipw_priv(struct net_device *dev) | |
918 | { | |
919 | return ((struct libipw_device *)netdev_priv(dev))->priv; | |
920 | } | |
921 | ||
922 | static inline int libipw_is_valid_mode(struct libipw_device *ieee, | |
923 | int mode) | |
924 | { | |
925 | /* | |
926 | * It is possible for both access points and our device to support | |
927 | * combinations of modes, so as long as there is one valid combination | |
928 | * of ap/device supported modes, then return success | |
929 | * | |
930 | */ | |
931 | if ((mode & IEEE_A) && | |
932 | (ieee->modulation & LIBIPW_OFDM_MODULATION) && | |
933 | (ieee->freq_band & LIBIPW_52GHZ_BAND)) | |
934 | return 1; | |
935 | ||
936 | if ((mode & IEEE_G) && | |
937 | (ieee->modulation & LIBIPW_OFDM_MODULATION) && | |
938 | (ieee->freq_band & LIBIPW_24GHZ_BAND)) | |
939 | return 1; | |
940 | ||
941 | if ((mode & IEEE_B) && | |
942 | (ieee->modulation & LIBIPW_CCK_MODULATION) && | |
943 | (ieee->freq_band & LIBIPW_24GHZ_BAND)) | |
944 | return 1; | |
945 | ||
946 | return 0; | |
947 | } | |
948 | ||
949 | static inline int libipw_get_hdrlen(u16 fc) | |
950 | { | |
951 | int hdrlen = LIBIPW_3ADDR_LEN; | |
952 | u16 stype = WLAN_FC_GET_STYPE(fc); | |
953 | ||
954 | switch (WLAN_FC_GET_TYPE(fc)) { | |
955 | case IEEE80211_FTYPE_DATA: | |
956 | if ((fc & IEEE80211_FCTL_FROMDS) && (fc & IEEE80211_FCTL_TODS)) | |
957 | hdrlen = LIBIPW_4ADDR_LEN; | |
958 | if (stype & IEEE80211_STYPE_QOS_DATA) | |
959 | hdrlen += 2; | |
960 | break; | |
961 | case IEEE80211_FTYPE_CTL: | |
962 | switch (WLAN_FC_GET_STYPE(fc)) { | |
963 | case IEEE80211_STYPE_CTS: | |
964 | case IEEE80211_STYPE_ACK: | |
965 | hdrlen = LIBIPW_1ADDR_LEN; | |
966 | break; | |
967 | default: | |
968 | hdrlen = LIBIPW_2ADDR_LEN; | |
969 | break; | |
970 | } | |
971 | break; | |
972 | } | |
973 | ||
974 | return hdrlen; | |
975 | } | |
976 | ||
977 | static inline u8 *libipw_get_payload(struct ieee80211_hdr *hdr) | |
978 | { | |
979 | switch (libipw_get_hdrlen(le16_to_cpu(hdr->frame_control))) { | |
980 | case LIBIPW_1ADDR_LEN: | |
981 | return ((struct libipw_hdr_1addr *)hdr)->payload; | |
982 | case LIBIPW_2ADDR_LEN: | |
983 | return ((struct libipw_hdr_2addr *)hdr)->payload; | |
984 | case LIBIPW_3ADDR_LEN: | |
985 | return ((struct libipw_hdr_3addr *)hdr)->payload; | |
986 | case LIBIPW_4ADDR_LEN: | |
987 | return ((struct libipw_hdr_4addr *)hdr)->payload; | |
988 | } | |
989 | return NULL; | |
990 | } | |
991 | ||
992 | static inline int libipw_is_ofdm_rate(u8 rate) | |
993 | { | |
994 | switch (rate & ~LIBIPW_BASIC_RATE_MASK) { | |
995 | case LIBIPW_OFDM_RATE_6MB: | |
996 | case LIBIPW_OFDM_RATE_9MB: | |
997 | case LIBIPW_OFDM_RATE_12MB: | |
998 | case LIBIPW_OFDM_RATE_18MB: | |
999 | case LIBIPW_OFDM_RATE_24MB: | |
1000 | case LIBIPW_OFDM_RATE_36MB: | |
1001 | case LIBIPW_OFDM_RATE_48MB: | |
1002 | case LIBIPW_OFDM_RATE_54MB: | |
1003 | return 1; | |
1004 | } | |
1005 | return 0; | |
1006 | } | |
1007 | ||
1008 | static inline int libipw_is_cck_rate(u8 rate) | |
1009 | { | |
1010 | switch (rate & ~LIBIPW_BASIC_RATE_MASK) { | |
1011 | case LIBIPW_CCK_RATE_1MB: | |
1012 | case LIBIPW_CCK_RATE_2MB: | |
1013 | case LIBIPW_CCK_RATE_5MB: | |
1014 | case LIBIPW_CCK_RATE_11MB: | |
1015 | return 1; | |
1016 | } | |
1017 | return 0; | |
1018 | } | |
1019 | ||
1020 | /* libipw.c */ | |
1021 | extern void free_libipw(struct net_device *dev, int monitor); | |
1022 | extern struct net_device *alloc_libipw(int sizeof_priv, int monitor); | |
1023 | extern int libipw_change_mtu(struct net_device *dev, int new_mtu); | |
1024 | ||
1025 | extern void libipw_networks_age(struct libipw_device *ieee, | |
1026 | unsigned long age_secs); | |
1027 | ||
1028 | extern int libipw_set_encryption(struct libipw_device *ieee); | |
1029 | ||
1030 | /* libipw_tx.c */ | |
1031 | extern netdev_tx_t libipw_xmit(struct sk_buff *skb, | |
1032 | struct net_device *dev); | |
1033 | extern void libipw_txb_free(struct libipw_txb *); | |
1034 | ||
1035 | /* libipw_rx.c */ | |
1036 | extern void libipw_rx_any(struct libipw_device *ieee, | |
1037 | struct sk_buff *skb, struct libipw_rx_stats *stats); | |
1038 | extern int libipw_rx(struct libipw_device *ieee, struct sk_buff *skb, | |
1039 | struct libipw_rx_stats *rx_stats); | |
1040 | /* make sure to set stats->len */ | |
1041 | extern void libipw_rx_mgt(struct libipw_device *ieee, | |
1042 | struct libipw_hdr_4addr *header, | |
1043 | struct libipw_rx_stats *stats); | |
1044 | extern void libipw_network_reset(struct libipw_network *network); | |
1045 | ||
1046 | /* libipw_geo.c */ | |
1047 | extern const struct libipw_geo *libipw_get_geo(struct libipw_device | |
1048 | *ieee); | |
1049 | extern int libipw_set_geo(struct libipw_device *ieee, | |
1050 | const struct libipw_geo *geo); | |
1051 | ||
1052 | extern int libipw_is_valid_channel(struct libipw_device *ieee, | |
1053 | u8 channel); | |
1054 | extern int libipw_channel_to_index(struct libipw_device *ieee, | |
1055 | u8 channel); | |
1056 | extern u8 libipw_freq_to_channel(struct libipw_device *ieee, u32 freq); | |
1057 | extern u8 libipw_get_channel_flags(struct libipw_device *ieee, | |
1058 | u8 channel); | |
1059 | extern const struct libipw_channel *libipw_get_channel(struct | |
1060 | libipw_device | |
1061 | *ieee, u8 channel); | |
1062 | extern u32 libipw_channel_to_freq(struct libipw_device * ieee, | |
1063 | u8 channel); | |
1064 | ||
1065 | /* libipw_wx.c */ | |
1066 | extern int libipw_wx_get_scan(struct libipw_device *ieee, | |
1067 | struct iw_request_info *info, | |
1068 | union iwreq_data *wrqu, char *key); | |
1069 | extern int libipw_wx_set_encode(struct libipw_device *ieee, | |
1070 | struct iw_request_info *info, | |
1071 | union iwreq_data *wrqu, char *key); | |
1072 | extern int libipw_wx_get_encode(struct libipw_device *ieee, | |
1073 | struct iw_request_info *info, | |
1074 | union iwreq_data *wrqu, char *key); | |
1075 | extern int libipw_wx_set_encodeext(struct libipw_device *ieee, | |
1076 | struct iw_request_info *info, | |
1077 | union iwreq_data *wrqu, char *extra); | |
1078 | extern int libipw_wx_get_encodeext(struct libipw_device *ieee, | |
1079 | struct iw_request_info *info, | |
1080 | union iwreq_data *wrqu, char *extra); | |
1081 | ||
1082 | static inline void libipw_increment_scans(struct libipw_device *ieee) | |
1083 | { | |
1084 | ieee->scans++; | |
1085 | } | |
1086 | ||
1087 | static inline int libipw_get_scans(struct libipw_device *ieee) | |
1088 | { | |
1089 | return ieee->scans; | |
1090 | } | |
1091 | ||
1092 | #endif /* LIBIPW_H */ |