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 * Modified for Realtek's wi-fi cards by Andrea Merello
17 * <andreamrl@tiscali.it>
18 *
19 * This program is free software; you can redistribute it and/or modify
20 * it under the terms of the GNU General Public License version 2 as
21 * published by the Free Software Foundation. See README and COPYING for
22 * more details.
23 */
24 #ifndef IEEE80211_H
25 #define IEEE80211_H
26 #include <linux/if_ether.h> /* ETH_ALEN */
27 #include <linux/kernel.h> /* ARRAY_SIZE */
28 #include <linux/jiffies.h>
29 #include <linux/timer.h>
30 #include <linux/sched.h>
31 #include <linux/semaphore.h>
32 #include <linux/wireless.h>
33 #include <linux/ieee80211.h>
34 #include <linux/interrupt.h>
35
36 #define KEY_TYPE_NA 0x0
37 #define KEY_TYPE_WEP40 0x1
38 #define KEY_TYPE_TKIP 0x2
39 #define KEY_TYPE_CCMP 0x4
40 #define KEY_TYPE_WEP104 0x5
41
42 #define aSifsTime 10
43
44 #define MGMT_QUEUE_NUM 5
45
46
47 #define IEEE_CMD_SET_WPA_PARAM 1
48 #define IEEE_CMD_SET_WPA_IE 2
49 #define IEEE_CMD_SET_ENCRYPTION 3
50 #define IEEE_CMD_MLME 4
51
52 #define IEEE_PARAM_WPA_ENABLED 1
53 #define IEEE_PARAM_TKIP_COUNTERMEASURES 2
54 #define IEEE_PARAM_DROP_UNENCRYPTED 3
55 #define IEEE_PARAM_PRIVACY_INVOKED 4
56 #define IEEE_PARAM_AUTH_ALGS 5
57 #define IEEE_PARAM_IEEE_802_1X 6
58 //It should consistent with the driver_XXX.c
59 // David, 2006.9.26
60 #define IEEE_PARAM_WPAX_SELECT 7
61 //Added for notify the encryption type selection
62 // David, 2006.9.26
63 #define IEEE_PROTO_WPA 1
64 #define IEEE_PROTO_RSN 2
65 //Added for notify the encryption type selection
66 // David, 2006.9.26
67 #define IEEE_WPAX_USEGROUP 0
68 #define IEEE_WPAX_WEP40 1
69 #define IEEE_WPAX_TKIP 2
70 #define IEEE_WPAX_WRAP 3
71 #define IEEE_WPAX_CCMP 4
72 #define IEEE_WPAX_WEP104 5
73
74 #define IEEE_KEY_MGMT_IEEE8021X 1
75 #define IEEE_KEY_MGMT_PSK 2
76
77
78
79 #define IEEE_MLME_STA_DEAUTH 1
80 #define IEEE_MLME_STA_DISASSOC 2
81
82
83 #define IEEE_CRYPT_ERR_UNKNOWN_ALG 2
84 #define IEEE_CRYPT_ERR_UNKNOWN_ADDR 3
85 #define IEEE_CRYPT_ERR_CRYPT_INIT_FAILED 4
86 #define IEEE_CRYPT_ERR_KEY_SET_FAILED 5
87 #define IEEE_CRYPT_ERR_TX_KEY_SET_FAILED 6
88 #define IEEE_CRYPT_ERR_CARD_CONF_FAILED 7
89
90
91 #define IEEE_CRYPT_ALG_NAME_LEN 16
92
93 //by amy for ps
94 typedef struct ieee_param {
95 u32 cmd;
96 u8 sta_addr[ETH_ALEN];
97 union {
98 struct {
99 u8 name;
100 u32 value;
101 } wpa_param;
102 struct {
103 u32 len;
104 u8 reserved[32];
105 u8 data[0];
106 } wpa_ie;
107 struct{
108 int command;
109 int reason_code;
110 } mlme;
111 struct {
112 u8 alg[IEEE_CRYPT_ALG_NAME_LEN];
113 u8 set_tx;
114 u32 err;
115 u8 idx;
116 u8 seq[8]; /* sequence counter (set: RX, get: TX) */
117 u16 key_len;
118 u8 key[0];
119 } crypt;
120
121 } u;
122 }ieee_param;
123
124
125 #define MSECS(t) msecs_to_jiffies(t)
126 #define msleep_interruptible_rtl msleep_interruptible
127
128 #define IEEE80211_DATA_LEN 2304
129 /* Maximum size for the MA-UNITDATA primitive, 802.11 standard section
130 6.2.1.1.2.
131
132 The figure in section 7.1.2 suggests a body size of up to 2312
133 bytes is allowed, which is a bit confusing, I suspect this
134 represents the 2304 bytes of real data, plus a possible 8 bytes of
135 WEP IV and ICV. (this interpretation suggested by Ramiro Barreiro) */
136
137 #define IEEE80211_3ADDR_LEN 24
138 #define IEEE80211_4ADDR_LEN 30
139 #define IEEE80211_FCS_LEN 4
140 #define IEEE80211_HLEN IEEE80211_4ADDR_LEN
141 #define IEEE80211_FRAME_LEN (IEEE80211_DATA_LEN + IEEE80211_HLEN)
142 #define IEEE80211_MGMT_HDR_LEN 24
143 #define IEEE80211_DATA_HDR3_LEN 24
144 #define IEEE80211_DATA_HDR4_LEN 30
145
146 #define MIN_FRAG_THRESHOLD 256U
147 #define MAX_FRAG_THRESHOLD 2346U
148
149 /* Frame control field constants */
150 #define IEEE80211_FCTL_DSTODS 0x0300 //added by david
151 #define IEEE80211_FCTL_WEP 0x4000
152
153 /* debug macros */
154
155 #ifdef CONFIG_IEEE80211_DEBUG
156 extern u32 ieee80211_debug_level;
157 #define IEEE80211_DEBUG(level, fmt, args...) \
158 do { if (ieee80211_debug_level & (level)) \
159 printk(KERN_DEBUG "ieee80211: %c %s " fmt, \
160 in_interrupt() ? 'I' : 'U', __func__ , ## args); } while (0)
161 #else
162 #define IEEE80211_DEBUG(level, fmt, args...) do {} while (0)
163 #endif /* CONFIG_IEEE80211_DEBUG */
164
165 /*
166 * To use the debug system;
167 *
168 * If you are defining a new debug classification, simply add it to the #define
169 * list here in the form of:
170 *
171 * #define IEEE80211_DL_xxxx VALUE
172 *
173 * shifting value to the left one bit from the previous entry. xxxx should be
174 * the name of the classification (for example, WEP)
175 *
176 * You then need to either add a IEEE80211_xxxx_DEBUG() macro definition for your
177 * classification, or use IEEE80211_DEBUG(IEEE80211_DL_xxxx, ...) whenever you want
178 * to send output to that classification.
179 *
180 * To add your debug level to the list of levels seen when you perform
181 *
182 * % cat /proc/net/ipw/debug_level
183 *
184 * you simply need to add your entry to the ipw_debug_levels array.
185 *
186 * If you do not see debug_level in /proc/net/ipw then you do not have
187 * CONFIG_IEEE80211_DEBUG defined in your kernel configuration
188 *
189 */
190
191 #define IEEE80211_DL_INFO (1<<0)
192 #define IEEE80211_DL_WX (1<<1)
193 #define IEEE80211_DL_SCAN (1<<2)
194 #define IEEE80211_DL_STATE (1<<3)
195 #define IEEE80211_DL_MGMT (1<<4)
196 #define IEEE80211_DL_FRAG (1<<5)
197 #define IEEE80211_DL_EAP (1<<6)
198 #define IEEE80211_DL_DROP (1<<7)
199
200 #define IEEE80211_DL_TX (1<<8)
201 #define IEEE80211_DL_RX (1<<9)
202
203 #define IEEE80211_ERROR(f, a...) printk(KERN_ERR "ieee80211: " f, ## a)
204 #define IEEE80211_WARNING(f, a...) printk(KERN_WARNING "ieee80211: " f, ## a)
205 #define IEEE80211_DEBUG_INFO(f, a...) IEEE80211_DEBUG(IEEE80211_DL_INFO, f, ## a)
206
207 #define IEEE80211_DEBUG_WX(f, a...) IEEE80211_DEBUG(IEEE80211_DL_WX, f, ## a)
208 #define IEEE80211_DEBUG_SCAN(f, a...) IEEE80211_DEBUG(IEEE80211_DL_SCAN, f, ## a)
209 //#define IEEE_DEBUG_SCAN IEEE80211_WARNING
210 #define IEEE80211_DEBUG_STATE(f, a...) IEEE80211_DEBUG(IEEE80211_DL_STATE, f, ## a)
211 #define IEEE80211_DEBUG_MGMT(f, a...) IEEE80211_DEBUG(IEEE80211_DL_MGMT, f, ## a)
212 #define IEEE80211_DEBUG_FRAG(f, a...) IEEE80211_DEBUG(IEEE80211_DL_FRAG, f, ## a)
213 #define IEEE80211_DEBUG_EAP(f, a...) IEEE80211_DEBUG(IEEE80211_DL_EAP, f, ## a)
214 #define IEEE80211_DEBUG_DROP(f, a...) IEEE80211_DEBUG(IEEE80211_DL_DROP, f, ## a)
215 #define IEEE80211_DEBUG_TX(f, a...) IEEE80211_DEBUG(IEEE80211_DL_TX, f, ## a)
216 #define IEEE80211_DEBUG_RX(f, a...) IEEE80211_DEBUG(IEEE80211_DL_RX, f, ## a)
217 #include <linux/netdevice.h>
218 #include <linux/if_arp.h> /* ARPHRD_ETHER */
219
220 #ifndef WIRELESS_SPY
221 #define WIRELESS_SPY // enable iwspy support
222 #endif
223 #include <net/iw_handler.h> // new driver API
224
225 #ifndef ETH_P_PAE
226 #define ETH_P_PAE 0x888E /* Port Access Entity (IEEE 802.1X) */
227 #endif /* ETH_P_PAE */
228
229 #define ETH_P_PREAUTH 0x88C7 /* IEEE 802.11i pre-authentication */
230
231 #ifndef ETH_P_80211_RAW
232 #define ETH_P_80211_RAW (ETH_P_ECONET + 1)
233 #endif
234
235 /* IEEE 802.11 defines */
236
237 #define P80211_OUI_LEN 3
238
239 struct ieee80211_snap_hdr {
240
241 u8 dsap; /* always 0xAA */
242 u8 ssap; /* always 0xAA */
243 u8 ctrl; /* always 0x03 */
244 u8 oui[P80211_OUI_LEN]; /* organizational universal id */
245
246 } __attribute__ ((packed));
247
248 #define SNAP_SIZE sizeof(struct ieee80211_snap_hdr)
249
250 #define WLAN_FC_GET_TYPE(fc) ((fc) & IEEE80211_FCTL_FTYPE)
251 #define WLAN_FC_GET_STYPE(fc) ((fc) & IEEE80211_FCTL_STYPE)
252
253 #define WLAN_GET_SEQ_FRAG(seq) ((seq) & IEEE80211_SCTL_FRAG)
254 #define WLAN_GET_SEQ_SEQ(seq) ((seq) & IEEE80211_SCTL_SEQ)
255
256 #define WLAN_CAPABILITY_BSS (1<<0)
257 #define WLAN_CAPABILITY_SHORT_SLOT (1<<10)
258
259 #define IEEE80211_STATMASK_SIGNAL (1<<0)
260 #define IEEE80211_STATMASK_RSSI (1<<1)
261 #define IEEE80211_STATMASK_NOISE (1<<2)
262 #define IEEE80211_STATMASK_RATE (1<<3)
263 #define IEEE80211_STATMASK_WEMASK 0x7
264
265
266 #define IEEE80211_CCK_MODULATION (1<<0)
267 #define IEEE80211_OFDM_MODULATION (1<<1)
268
269 #define IEEE80211_24GHZ_BAND (1<<0)
270 #define IEEE80211_52GHZ_BAND (1<<1)
271
272 #define IEEE80211_CCK_RATE_LEN 4
273 #define IEEE80211_CCK_RATE_1MB 0x02
274 #define IEEE80211_CCK_RATE_2MB 0x04
275 #define IEEE80211_CCK_RATE_5MB 0x0B
276 #define IEEE80211_CCK_RATE_11MB 0x16
277 #define IEEE80211_OFDM_RATE_LEN 8
278 #define IEEE80211_OFDM_RATE_6MB 0x0C
279 #define IEEE80211_OFDM_RATE_9MB 0x12
280 #define IEEE80211_OFDM_RATE_12MB 0x18
281 #define IEEE80211_OFDM_RATE_18MB 0x24
282 #define IEEE80211_OFDM_RATE_24MB 0x30
283 #define IEEE80211_OFDM_RATE_36MB 0x48
284 #define IEEE80211_OFDM_RATE_48MB 0x60
285 #define IEEE80211_OFDM_RATE_54MB 0x6C
286 #define IEEE80211_BASIC_RATE_MASK 0x80
287
288 #define IEEE80211_CCK_RATE_1MB_MASK (1<<0)
289 #define IEEE80211_CCK_RATE_2MB_MASK (1<<1)
290 #define IEEE80211_CCK_RATE_5MB_MASK (1<<2)
291 #define IEEE80211_CCK_RATE_11MB_MASK (1<<3)
292 #define IEEE80211_OFDM_RATE_6MB_MASK (1<<4)
293 #define IEEE80211_OFDM_RATE_9MB_MASK (1<<5)
294 #define IEEE80211_OFDM_RATE_12MB_MASK (1<<6)
295 #define IEEE80211_OFDM_RATE_18MB_MASK (1<<7)
296 #define IEEE80211_OFDM_RATE_24MB_MASK (1<<8)
297 #define IEEE80211_OFDM_RATE_36MB_MASK (1<<9)
298 #define IEEE80211_OFDM_RATE_48MB_MASK (1<<10)
299 #define IEEE80211_OFDM_RATE_54MB_MASK (1<<11)
300
301 #define IEEE80211_CCK_RATES_MASK 0x0000000F
302 #define IEEE80211_CCK_BASIC_RATES_MASK (IEEE80211_CCK_RATE_1MB_MASK | \
303 IEEE80211_CCK_RATE_2MB_MASK)
304 #define IEEE80211_CCK_DEFAULT_RATES_MASK (IEEE80211_CCK_BASIC_RATES_MASK | \
305 IEEE80211_CCK_RATE_5MB_MASK | \
306 IEEE80211_CCK_RATE_11MB_MASK)
307
308 #define IEEE80211_OFDM_RATES_MASK 0x00000FF0
309 #define IEEE80211_OFDM_BASIC_RATES_MASK (IEEE80211_OFDM_RATE_6MB_MASK | \
310 IEEE80211_OFDM_RATE_12MB_MASK | \
311 IEEE80211_OFDM_RATE_24MB_MASK)
312 #define IEEE80211_OFDM_DEFAULT_RATES_MASK (IEEE80211_OFDM_BASIC_RATES_MASK | \
313 IEEE80211_OFDM_RATE_9MB_MASK | \
314 IEEE80211_OFDM_RATE_18MB_MASK | \
315 IEEE80211_OFDM_RATE_36MB_MASK | \
316 IEEE80211_OFDM_RATE_48MB_MASK | \
317 IEEE80211_OFDM_RATE_54MB_MASK)
318 #define IEEE80211_DEFAULT_RATES_MASK (IEEE80211_OFDM_DEFAULT_RATES_MASK | \
319 IEEE80211_CCK_DEFAULT_RATES_MASK)
320
321 #define IEEE80211_NUM_OFDM_RATES 8
322 #define IEEE80211_NUM_CCK_RATES 4
323 #define IEEE80211_OFDM_SHIFT_MASK_A 4
324
325 /* this is stolen and modified from the madwifi driver*/
326 #define IEEE80211_FC0_TYPE_MASK 0x0c
327 #define IEEE80211_FC0_TYPE_DATA 0x08
328 #define IEEE80211_FC0_SUBTYPE_MASK 0xB0
329 #define IEEE80211_FC0_SUBTYPE_QOS 0x80
330
331 #define IEEE80211_QOS_HAS_SEQ(fc) \
332 (((fc) & (IEEE80211_FC0_TYPE_MASK | IEEE80211_FC0_SUBTYPE_MASK)) == \
333 (IEEE80211_FC0_TYPE_DATA | IEEE80211_FC0_SUBTYPE_QOS))
334
335 /* this is stolen from ipw2200 driver */
336 #define IEEE_IBSS_MAC_HASH_SIZE 31
337 struct ieee_ibss_seq {
338 u8 mac[ETH_ALEN];
339 u16 seq_num[17];
340 u16 frag_num[17];
341 unsigned long packet_time[17];
342 struct list_head list;
343 };
344
345 /* NOTE: This data is for statistical purposes; not all hardware provides this
346 * information for frames received. Not setting these will not cause
347 * any adverse affects. */
348 struct ieee80211_rx_stats {
349 u32 mac_time[2];
350 u8 signalstrength;
351 s8 rssi;
352 u8 signal;
353 u8 noise;
354 u16 rate; /* in 100 kbps */
355 u8 received_channel;
356 u8 control;
357 u8 mask;
358 u8 freq;
359 u16 len;
360 u8 nic_type;
361 };
362
363 /* IEEE 802.11 requires that STA supports concurrent reception of at least
364 * three fragmented frames. This define can be increased to support more
365 * concurrent frames, but it should be noted that each entry can consume about
366 * 2 kB of RAM and increasing cache size will slow down frame reassembly. */
367 #define IEEE80211_FRAG_CACHE_LEN 4
368
369 struct ieee80211_frag_entry {
370 unsigned long first_frag_time;
371 unsigned int seq;
372 unsigned int last_frag;
373 struct sk_buff *skb;
374 u8 src_addr[ETH_ALEN];
375 u8 dst_addr[ETH_ALEN];
376 };
377
378 struct ieee80211_stats {
379 unsigned int tx_unicast_frames;
380 unsigned int tx_multicast_frames;
381 unsigned int tx_fragments;
382 unsigned int tx_unicast_octets;
383 unsigned int tx_multicast_octets;
384 unsigned int tx_deferred_transmissions;
385 unsigned int tx_single_retry_frames;
386 unsigned int tx_multiple_retry_frames;
387 unsigned int tx_retry_limit_exceeded;
388 unsigned int tx_discards;
389 unsigned int rx_unicast_frames;
390 unsigned int rx_multicast_frames;
391 unsigned int rx_fragments;
392 unsigned int rx_unicast_octets;
393 unsigned int rx_multicast_octets;
394 unsigned int rx_fcs_errors;
395 unsigned int rx_discards_no_buffer;
396 unsigned int tx_discards_wrong_sa;
397 unsigned int rx_discards_undecryptable;
398 unsigned int rx_message_in_msg_fragments;
399 unsigned int rx_message_in_bad_msg_fragments;
400 };
401
402 struct ieee80211_device;
403
404 #include "ieee80211_crypt.h"
405
406 #define SEC_KEY_1 (1<<0)
407 #define SEC_KEY_2 (1<<1)
408 #define SEC_KEY_3 (1<<2)
409 #define SEC_KEY_4 (1<<3)
410 #define SEC_ACTIVE_KEY (1<<4)
411 #define SEC_AUTH_MODE (1<<5)
412 #define SEC_UNICAST_GROUP (1<<6)
413 #define SEC_LEVEL (1<<7)
414 #define SEC_ENABLED (1<<8)
415
416 #define SEC_LEVEL_0 0 /* None */
417 #define SEC_LEVEL_1 1 /* WEP 40 and 104 bit */
418 #define SEC_LEVEL_2 2 /* Level 1 + TKIP */
419 #define SEC_LEVEL_2_CKIP 3 /* Level 1 + CKIP */
420 #define SEC_LEVEL_3 4 /* Level 2 + CCMP */
421
422 #define WEP_KEYS 4
423 #define WEP_KEY_LEN 13
424
425 #define WEP_KEY_LEN_MODIF 32
426
427 struct ieee80211_security {
428 u16 active_key:2,
429 enabled:1,
430 auth_mode:2,
431 auth_algo:4,
432 unicast_uses_group:1;
433 u8 key_sizes[WEP_KEYS];
434 u8 keys[WEP_KEYS][WEP_KEY_LEN_MODIF];
435 u8 level;
436 u16 flags;
437 } __attribute__ ((packed));
438
439
440 /*
441
442 802.11 data frame from AP
443
444 ,-------------------------------------------------------------------.
445 Bytes | 2 | 2 | 6 | 6 | 6 | 2 | 0..2312 | 4 |
446 |------|------|---------|---------|---------|------|---------|------|
447 Desc. | ctrl | dura | DA/RA | TA | SA | Sequ | frame | fcs |
448 | | tion | (BSSID) | | | ence | data | |
449 `-------------------------------------------------------------------'
450
451 Total: 28-2340 bytes
452
453 */
454
455 /* Management Frame Information Element Types */
456 enum {
457 MFIE_TYPE_SSID = 0,
458 MFIE_TYPE_RATES = 1,
459 MFIE_TYPE_FH_SET = 2,
460 MFIE_TYPE_DS_SET = 3,
461 MFIE_TYPE_CF_SET = 4,
462 MFIE_TYPE_TIM = 5,
463 MFIE_TYPE_IBSS_SET = 6,
464 MFIE_TYPE_COUNTRY = 7,
465 MFIE_TYPE_CHALLENGE = 16,
466 MFIE_TYPE_ERP = 42,
467 MFIE_TYPE_RSN = 48,
468 MFIE_TYPE_RATES_EX = 50,
469 MFIE_TYPE_GENERIC = 221,
470 };
471
472 struct ieee80211_header_data {
473 u16 frame_ctl;
474 u16 duration_id;
475 u8 addr1[6];
476 u8 addr2[6];
477 u8 addr3[6];
478 u16 seq_ctrl;
479 };
480
481 struct ieee80211_hdr_4addr {
482 u16 frame_ctl;
483 u16 duration_id;
484 u8 addr1[ETH_ALEN];
485 u8 addr2[ETH_ALEN];
486 u8 addr3[ETH_ALEN];
487 u16 seq_ctl;
488 u8 addr4[ETH_ALEN];
489 } __attribute__ ((packed));
490
491 struct ieee80211_hdr_3addrqos {
492 u16 frame_ctl;
493 u16 duration_id;
494 u8 addr1[ETH_ALEN];
495 u8 addr2[ETH_ALEN];
496 u8 addr3[ETH_ALEN];
497 u16 seq_ctl;
498 u16 qos_ctl;
499 } __attribute__ ((packed));
500
501 struct ieee80211_hdr_4addrqos {
502 u16 frame_ctl;
503 u16 duration_id;
504 u8 addr1[ETH_ALEN];
505 u8 addr2[ETH_ALEN];
506 u8 addr3[ETH_ALEN];
507 u16 seq_ctl;
508 u8 addr4[ETH_ALEN];
509 u16 qos_ctl;
510 } __attribute__ ((packed));
511
512 struct ieee80211_info_element_hdr {
513 u8 id;
514 u8 len;
515 } __attribute__ ((packed));
516
517 struct ieee80211_info_element {
518 u8 id;
519 u8 len;
520 u8 data[0];
521 } __attribute__ ((packed));
522
523 struct ieee80211_authentication {
524 struct ieee80211_header_data header;
525 u16 algorithm;
526 u16 transaction;
527 u16 status;
528 //struct ieee80211_info_element_hdr info_element;
529 } __attribute__ ((packed));
530
531 struct ieee80211_disassoc_frame {
532 struct ieee80211_hdr_3addr header;
533 u16 reasoncode;
534 } __attribute__ ((packed));
535
536 struct ieee80211_probe_request {
537 struct ieee80211_header_data header;
538 /* struct ieee80211_info_element info_element; */
539 } __attribute__ ((packed));
540
541 struct ieee80211_probe_response {
542 struct ieee80211_header_data header;
543 u32 time_stamp[2];
544 u16 beacon_interval;
545 u16 capability;
546 struct ieee80211_info_element info_element;
547 } __attribute__ ((packed));
548
549 struct ieee80211_assoc_request_frame {
550 struct ieee80211_hdr_3addr header;
551 u16 capability;
552 u16 listen_interval;
553 //u8 current_ap[ETH_ALEN];
554 struct ieee80211_info_element_hdr info_element;
555 } __attribute__ ((packed));
556
557 struct ieee80211_assoc_response_frame {
558 struct ieee80211_hdr_3addr header;
559 u16 capability;
560 u16 status;
561 u16 aid;
562 struct ieee80211_info_element info_element; /* supported rates */
563 } __attribute__ ((packed));
564
565 struct ieee80211_txb {
566 u8 nr_frags;
567 u8 encrypted;
568 u16 reserved;
569 u16 frag_size;
570 u16 payload_size;
571 struct sk_buff *fragments[0];
572 };
573
574 /* SWEEP TABLE ENTRIES NUMBER */
575 #define MAX_SWEEP_TAB_ENTRIES 42
576 #define MAX_SWEEP_TAB_ENTRIES_PER_PACKET 7
577
578 /* MAX_RATES_LENGTH needs to be 12. The spec says 8, and many APs
579 * only use 8, and then use extended rates for the remaining supported
580 * rates. Other APs, however, stick all of their supported rates on the
581 * main rates information element... */
582 #define MAX_RATES_LENGTH ((u8)12)
583 #define MAX_RATES_EX_LENGTH ((u8)16)
584
585 #define MAX_NETWORK_COUNT 128
586
587 #define MAX_CHANNEL_NUMBER 165
588
589 #define IEEE80211_SOFTMAC_SCAN_TIME 100 /* (HZ / 2) */
590 #define IEEE80211_SOFTMAC_ASSOC_RETRY_TIME (HZ * 2)
591
592 #define CRC_LENGTH 4U
593
594 #define MAX_WPA_IE_LEN 64
595
596 #define NETWORK_EMPTY_ESSID (1 << 0)
597 #define NETWORK_HAS_OFDM (1 << 1)
598 #define NETWORK_HAS_CCK (1 << 2)
599
600 struct ieee80211_wmm_ac_param {
601 u8 ac_aci_acm_aifsn;
602 u8 ac_ecwmin_ecwmax;
603 u16 ac_txop_limit;
604 };
605
606 struct ieee80211_wmm_ts_info {
607 u8 ac_dir_tid;
608 u8 ac_up_psb;
609 u8 reserved;
610 } __attribute__ ((packed));
611
612 struct ieee80211_wmm_tspec_elem {
613 struct ieee80211_wmm_ts_info ts_info;
614 u16 norm_msdu_size;
615 u16 max_msdu_size;
616 u32 min_serv_inter;
617 u32 max_serv_inter;
618 u32 inact_inter;
619 u32 suspen_inter;
620 u32 serv_start_time;
621 u32 min_data_rate;
622 u32 mean_data_rate;
623 u32 peak_data_rate;
624 u32 max_burst_size;
625 u32 delay_bound;
626 u32 min_phy_rate;
627 u16 surp_band_allow;
628 u16 medium_time;
629 }__attribute__((packed));
630
631 enum eap_type {
632 EAP_PACKET = 0,
633 EAPOL_START,
634 EAPOL_LOGOFF,
635 EAPOL_KEY,
636 EAPOL_ENCAP_ASF_ALERT
637 };
638
639 static const char *eap_types[] = {
640 [EAP_PACKET] = "EAP-Packet",
641 [EAPOL_START] = "EAPOL-Start",
642 [EAPOL_LOGOFF] = "EAPOL-Logoff",
643 [EAPOL_KEY] = "EAPOL-Key",
644 [EAPOL_ENCAP_ASF_ALERT] = "EAPOL-Encap-ASF-Alert"
645 };
646
eap_get_type(int type)647 static inline const char *eap_get_type(int type)
648 {
649 return (type >= ARRAY_SIZE(eap_types)) ? "Unknown" : eap_types[type];
650 }
651
652 struct eapol {
653 u8 snap[6];
654 u16 ethertype;
655 u8 version;
656 u8 type;
657 u16 length;
658 } __attribute__ ((packed));
659
660 struct ieee80211_softmac_stats {
661 unsigned int rx_ass_ok;
662 unsigned int rx_ass_err;
663 unsigned int rx_probe_rq;
664 unsigned int tx_probe_rs;
665 unsigned int tx_beacons;
666 unsigned int rx_auth_rq;
667 unsigned int rx_auth_rs_ok;
668 unsigned int rx_auth_rs_err;
669 unsigned int tx_auth_rq;
670 unsigned int no_auth_rs;
671 unsigned int no_ass_rs;
672 unsigned int tx_ass_rq;
673 unsigned int rx_ass_rq;
674 unsigned int tx_probe_rq;
675 unsigned int reassoc;
676 unsigned int swtxstop;
677 unsigned int swtxawake;
678 };
679
680 #define BEACON_PROBE_SSID_ID_POSITION 12
681
682 /*
683 * These are the data types that can make up management packets
684 *
685 u16 auth_algorithm;
686 u16 auth_sequence;
687 u16 beacon_interval;
688 u16 capability;
689 u8 current_ap[ETH_ALEN];
690 u16 listen_interval;
691 struct {
692 u16 association_id:14, reserved:2;
693 } __attribute__ ((packed));
694 u32 time_stamp[2];
695 u16 reason;
696 u16 status;
697 */
698
699 #define IEEE80211_DEFAULT_TX_ESSID "Penguin"
700 #define IEEE80211_DEFAULT_BASIC_RATE 10
701
702 enum {WMM_all_frame, WMM_two_frame, WMM_four_frame, WMM_six_frame};
703 #define MAX_SP_Len (WMM_all_frame << 4)
704 #define IEEE80211_QOS_TID 0x0f
705 #define QOS_CTL_NOTCONTAIN_ACK (0x01 << 5)
706
707 #define MAX_IE_LEN 0xFF //+YJ,080625
708
709 typedef struct _CHANNEL_LIST{
710 u8 Channel[MAX_CHANNEL_NUMBER + 1];
711 u8 Len;
712 }CHANNEL_LIST, *PCHANNEL_LIST;
713
714 //by amy for ps
715 #define IEEE80211_WATCH_DOG_TIME 2000
716 //by amy for ps
717 //by amy for antenna
718 #define ANTENNA_DIVERSITY_TIMER_PERIOD 1000 // 1000 m
719 //by amy for antenna
720
721 #define IEEE80211_DTIM_MBCAST 4
722 #define IEEE80211_DTIM_UCAST 2
723 #define IEEE80211_DTIM_VALID 1
724 #define IEEE80211_DTIM_INVALID 0
725
726 #define IEEE80211_PS_DISABLED 0
727 #define IEEE80211_PS_UNICAST IEEE80211_DTIM_UCAST
728 #define IEEE80211_PS_MBCAST IEEE80211_DTIM_MBCAST
729 #define IEEE80211_PS_ENABLE IEEE80211_DTIM_VALID
730 //added by David for QoS 2006/6/30
731 //#define WMM_Hang_8187
732 #ifdef WMM_Hang_8187
733 #undef WMM_Hang_8187
734 #endif
735
736 #define WME_AC_BE 0x00
737 #define WME_AC_BK 0x01
738 #define WME_AC_VI 0x02
739 #define WME_AC_VO 0x03
740 #define WME_ACI_MASK 0x03
741 #define WME_AIFSN_MASK 0x03
742 #define WME_AC_PRAM_LEN 16
743
744 //UP Mapping to AC, using in MgntQuery_SequenceNumber() and maybe for DSCP
745 //#define UP2AC(up) ((up<3) ? ((up==0)?1:0) : (up>>1))
746 #define UP2AC(up) ( \
747 ((up) < 1) ? WME_AC_BE : \
748 ((up) < 3) ? WME_AC_BK : \
749 ((up) < 4) ? WME_AC_BE : \
750 ((up) < 6) ? WME_AC_VI : \
751 WME_AC_VO)
752 //AC Mapping to UP, using in Tx part for selecting the corresponding TX queue
753 #define AC2UP(_ac) ( \
754 ((_ac) == WME_AC_VO) ? 6 : \
755 ((_ac) == WME_AC_VI) ? 5 : \
756 ((_ac) == WME_AC_BK) ? 1 : \
757 0)
758
759 #define ETHER_ADDR_LEN 6 /* length of an Ethernet address */
760 struct ether_header {
761 u8 ether_dhost[ETHER_ADDR_LEN];
762 u8 ether_shost[ETHER_ADDR_LEN];
763 u16 ether_type;
764 } __attribute__((packed));
765
766 #ifndef ETHERTYPE_PAE
767 #define ETHERTYPE_PAE 0x888e /* EAPOL PAE/802.1x */
768 #endif
769 #ifndef ETHERTYPE_IP
770 #define ETHERTYPE_IP 0x0800 /* IP protocol */
771 #endif
772
773 struct ieee80211_network {
774 /* These entries are used to identify a unique network */
775 u8 bssid[ETH_ALEN];
776 u8 channel;
777 /* Ensure null-terminated for any debug msgs */
778 u8 ssid[IW_ESSID_MAX_SIZE + 1];
779 u8 ssid_len;
780
781 /* These are network statistics */
782 struct ieee80211_rx_stats stats;
783 u16 capability;
784 u8 rates[MAX_RATES_LENGTH];
785 u8 rates_len;
786 u8 rates_ex[MAX_RATES_EX_LENGTH];
787 u8 rates_ex_len;
788 unsigned long last_scanned;
789 u8 mode;
790 u8 flags;
791 u32 last_associate;
792 u32 time_stamp[2];
793 u16 beacon_interval;
794 u16 listen_interval;
795 u16 atim_window;
796 u8 wpa_ie[MAX_WPA_IE_LEN];
797 size_t wpa_ie_len;
798 u8 rsn_ie[MAX_WPA_IE_LEN];
799 size_t rsn_ie_len;
800 u8 dtim_period;
801 u8 dtim_data;
802 u32 last_dtim_sta_time[2];
803 struct list_head list;
804 //appeded for QoS
805 u8 wmm_info;
806 struct ieee80211_wmm_ac_param wmm_param[4];
807 u8 QoS_Enable;
808 u8 SignalStrength;
809 //by amy 080312
810 u8 HighestOperaRate;
811 //by amy 080312
812 u8 Turbo_Enable;//enable turbo mode, added by thomas
813 u16 CountryIeLen;
814 u8 CountryIeBuf[MAX_IE_LEN];
815 };
816
817 enum ieee80211_state {
818
819 /* the card is not linked at all */
820 IEEE80211_NOLINK = 0,
821
822 /* IEEE80211_ASSOCIATING* are for BSS client mode
823 * the driver shall not perform RX filtering unless
824 * the state is LINKED.
825 * The driver shall just check for the state LINKED and
826 * defaults to NOLINK for ALL the other states (including
827 * LINKED_SCANNING)
828 */
829
830 /* the association procedure will start (wq scheduling)*/
831 IEEE80211_ASSOCIATING,
832 IEEE80211_ASSOCIATING_RETRY,
833
834 /* the association procedure is sending AUTH request*/
835 IEEE80211_ASSOCIATING_AUTHENTICATING,
836
837 /* the association procedure has successfully authenticated
838 * and is sending association request
839 */
840 IEEE80211_ASSOCIATING_AUTHENTICATED,
841
842 /* the link is ok. the card associated to a BSS or linked
843 * to a ibss cell or acting as an AP and creating the bss
844 */
845 IEEE80211_LINKED,
846
847 /* same as LINKED, but the driver shall apply RX filter
848 * rules as we are in NO_LINK mode. As the card is still
849 * logically linked, but it is doing a syncro site survey
850 * then it will be back to LINKED state.
851 */
852 IEEE80211_LINKED_SCANNING,
853
854 };
855
856 #define DEFAULT_MAX_SCAN_AGE (15 * HZ)
857 #define DEFAULT_FTS 2346
858
859 #define CFG_IEEE80211_RESERVE_FCS (1<<0)
860 #define CFG_IEEE80211_COMPUTE_FCS (1<<1)
861
862 typedef struct tx_pending_t{
863 int frag;
864 struct ieee80211_txb *txb;
865 }tx_pending_t;
866
867 enum {
868 COUNTRY_CODE_FCC = 0,
869 COUNTRY_CODE_IC = 1,
870 COUNTRY_CODE_ETSI = 2,
871 COUNTRY_CODE_SPAIN = 3,
872 COUNTRY_CODE_FRANCE = 4,
873 COUNTRY_CODE_MKK = 5,
874 COUNTRY_CODE_MKK1 = 6,
875 COUNTRY_CODE_ISRAEL = 7,
876 COUNTRY_CODE_TELEC = 8,
877 COUNTRY_CODE_GLOBAL_DOMAIN = 9,
878 COUNTRY_CODE_WORLD_WIDE_13_INDEX = 10
879 };
880
881 struct ieee80211_device {
882 struct net_device *dev;
883
884 /* Bookkeeping structures */
885 struct net_device_stats stats;
886 struct ieee80211_stats ieee_stats;
887 struct ieee80211_softmac_stats softmac_stats;
888
889 /* Probe / Beacon management */
890 struct list_head network_free_list;
891 struct list_head network_list;
892 struct ieee80211_network *networks;
893 int scans;
894 int scan_age;
895
896 int iw_mode; /* operating mode (IW_MODE_*) */
897
898 spinlock_t lock;
899 spinlock_t wpax_suitlist_lock;
900
901 int tx_headroom; /* Set to size of any additional room needed at front
902 * of allocated Tx SKBs */
903 u32 config;
904
905 /* WEP and other encryption related settings at the device level */
906 int open_wep; /* Set to 1 to allow unencrypted frames */
907
908 int reset_on_keychange; /* Set to 1 if the HW needs to be reset on
909 * WEP key changes */
910
911 /* If the host performs {en,de}cryption, then set to 1 */
912 int host_encrypt;
913 int host_decrypt;
914 int ieee802_1x; /* is IEEE 802.1X used */
915
916 /* WPA data */
917 int wpa_enabled;
918 int drop_unencrypted;
919 int tkip_countermeasures;
920 int privacy_invoked;
921 size_t wpa_ie_len;
922 u8 *wpa_ie;
923
924 u8 ap_mac_addr[6];
925 u16 pairwise_key_type;
926 u16 broadcast_key_type;
927
928 struct list_head crypt_deinit_list;
929 struct ieee80211_crypt_data *crypt[WEP_KEYS];
930 int tx_keyidx; /* default TX key index (crypt[tx_keyidx]) */
931 struct timer_list crypt_deinit_timer;
932
933 int bcrx_sta_key; /* use individual keys to override default keys even
934 * with RX of broad/multicast frames */
935
936 /* Fragmentation structures */
937 /* each stream contains an entry */
938 struct ieee80211_frag_entry frag_cache[17][IEEE80211_FRAG_CACHE_LEN];
939 unsigned int frag_next_idx[17];
940 u16 fts; /* Fragmentation Threshold */
941
942 /* This stores infos for the current network.
943 * Either the network we are associated in INFRASTRUCTURE
944 * or the network that we are creating in MASTER mode.
945 * ad-hoc is a mixture ;-).
946 * Note that in infrastructure mode, even when not associated,
947 * fields bssid and essid may be valid (if wpa_set and essid_set
948 * are true) as thy carry the value set by the user via iwconfig
949 */
950 struct ieee80211_network current_network;
951
952
953 enum ieee80211_state state;
954
955 int short_slot;
956 int mode; /* A, B, G */
957 int modulation; /* CCK, OFDM */
958 int freq_band; /* 2.4Ghz, 5.2Ghz, Mixed */
959 int abg_true; /* ABG flag */
960
961 /* used for forcing the ibss workqueue to terminate
962 * without wait for the syncro scan to terminate
963 */
964 short sync_scan_hurryup;
965
966 void * pDot11dInfo;
967 bool bGlobalDomain;
968
969 // For Liteon Ch12~13 passive scan
970 u8 MinPassiveChnlNum;
971 u8 IbssStartChnl;
972
973 int rate; /* current rate */
974 int basic_rate;
975 //FIXME: please callback, see if redundant with softmac_features
976 short active_scan;
977
978 /* this contains flags for selectively enable softmac support */
979 u16 softmac_features;
980
981 /* if the sequence control field is not filled by HW */
982 u16 seq_ctrl[5];
983
984 /* association procedure transaction sequence number */
985 u16 associate_seq;
986
987 /* AID for RTXed association responses */
988 u16 assoc_id;
989
990 /* power save mode related*/
991 short ps;
992 short sta_sleep;
993 int ps_timeout;
994 struct tasklet_struct ps_task;
995 u32 ps_th;
996 u32 ps_tl;
997
998 short raw_tx;
999 /* used if IEEE_SOFTMAC_TX_QUEUE is set */
1000 short queue_stop;
1001 short scanning;
1002 short proto_started;
1003
1004 struct semaphore wx_sem;
1005 struct semaphore scan_sem;
1006
1007 spinlock_t mgmt_tx_lock;
1008 spinlock_t beacon_lock;
1009
1010 short beacon_txing;
1011
1012 short wap_set;
1013 short ssid_set;
1014
1015 u8 wpax_type_set; //{added by David, 2006.9.28}
1016 u32 wpax_type_notify; //{added by David, 2006.9.26}
1017
1018 /* QoS related flag */
1019 char init_wmmparam_flag;
1020
1021 /* for discarding duplicated packets in IBSS */
1022 struct list_head ibss_mac_hash[IEEE_IBSS_MAC_HASH_SIZE];
1023
1024 /* for discarding duplicated packets in BSS */
1025 u16 last_rxseq_num[17]; /* rx seq previous per-tid */
1026 u16 last_rxfrag_num[17];/* tx frag previous per-tid */
1027 unsigned long last_packet_time[17];
1028
1029 /* for PS mode */
1030 unsigned long last_rx_ps_time;
1031
1032 /* used if IEEE_SOFTMAC_SINGLE_QUEUE is set */
1033 struct sk_buff *mgmt_queue_ring[MGMT_QUEUE_NUM];
1034 int mgmt_queue_head;
1035 int mgmt_queue_tail;
1036
1037
1038 /* used if IEEE_SOFTMAC_TX_QUEUE is set */
1039 struct tx_pending_t tx_pending;
1040
1041 /* used if IEEE_SOFTMAC_ASSOCIATE is set */
1042 struct timer_list associate_timer;
1043
1044 /* used if IEEE_SOFTMAC_BEACONS is set */
1045 struct timer_list beacon_timer;
1046
1047 struct work_struct associate_complete_wq;
1048 // struct work_struct associate_retry_wq;
1049 struct work_struct associate_procedure_wq;
1050 // struct work_struct softmac_scan_wq;
1051 struct work_struct wx_sync_scan_wq;
1052 struct work_struct wmm_param_update_wq;
1053 struct work_struct ps_request_tx_ack_wq;//for ps
1054 // struct work_struct hw_wakeup_wq;
1055 // struct work_struct hw_sleep_wq;
1056 // struct work_struct watch_dog_wq;
1057 bool bInactivePs;
1058 bool actscanning;
1059 bool beinretry;
1060 u16 ListenInterval;
1061 unsigned long NumRxDataInPeriod; //YJ,add,080828
1062 unsigned long NumRxBcnInPeriod; //YJ,add,080828
1063 unsigned long NumRxOkTotal;
1064 unsigned long NumRxUnicast;//YJ,add,080828,for keep alive
1065 bool bHwRadioOff;
1066 struct delayed_work softmac_scan_wq;
1067 struct delayed_work associate_retry_wq;
1068 struct delayed_work hw_wakeup_wq;
1069 struct delayed_work hw_sleep_wq;//+by amy 080324
1070 struct delayed_work watch_dog_wq;
1071 struct delayed_work sw_antenna_wq;
1072 struct delayed_work start_ibss_wq;
1073 //by amy for rate adaptive 080312
1074 struct delayed_work rate_adapter_wq;
1075 //by amy for rate adaptive
1076 struct delayed_work hw_dig_wq;
1077 struct delayed_work tx_pw_wq;
1078
1079 //Added for RF power on power off by lizhaoming 080512
1080 struct delayed_work GPIOChangeRFWorkItem;
1081
1082 struct workqueue_struct *wq;
1083
1084 /* Callback functions */
1085 void (*set_security)(struct net_device *dev,
1086 struct ieee80211_security *sec);
1087
1088 /* Used to TX data frame by using txb structs.
1089 * this is not used if in the softmac_features
1090 * is set the flag IEEE_SOFTMAC_TX_QUEUE
1091 */
1092 int (*hard_start_xmit)(struct ieee80211_txb *txb,
1093 struct net_device *dev);
1094
1095 int (*reset_port)(struct net_device *dev);
1096
1097 /* Softmac-generated frames (management) are TXed via this
1098 * callback if the flag IEEE_SOFTMAC_SINGLE_QUEUE is
1099 * not set. As some cards may have different HW queues that
1100 * one might want to use for data and management frames
1101 * the option to have two callbacks might be useful.
1102 * This function can't sleep.
1103 */
1104 int (*softmac_hard_start_xmit)(struct sk_buff *skb,
1105 struct net_device *dev);
1106
1107 /* used instead of hard_start_xmit (not softmac_hard_start_xmit)
1108 * if the IEEE_SOFTMAC_TX_QUEUE feature is used to TX data
1109 * frames. If the option IEEE_SOFTMAC_SINGLE_QUEUE is also set
1110 * then also management frames are sent via this callback.
1111 * This function can't sleep.
1112 */
1113 void (*softmac_data_hard_start_xmit)(struct sk_buff *skb,
1114 struct net_device *dev,int rate);
1115
1116 /* stops the HW queue for DATA frames. Useful to avoid
1117 * waste time to TX data frame when we are reassociating
1118 * This function can sleep.
1119 */
1120 void (*data_hard_stop)(struct net_device *dev);
1121
1122 /* OK this is complementar to data_poll_hard_stop */
1123 void (*data_hard_resume)(struct net_device *dev);
1124
1125 /* ask to the driver to retune the radio .
1126 * This function can sleep. the driver should ensure
1127 * the radio has been switched before return.
1128 */
1129 void (*set_chan)(struct net_device *dev,short ch);
1130
1131 /* These are not used if the ieee stack takes care of
1132 * scanning (IEEE_SOFTMAC_SCAN feature set).
1133 * In this case only the set_chan is used.
1134 *
1135 * The syncro version is similar to the start_scan but
1136 * does not return until all channels has been scanned.
1137 * this is called in user context and should sleep,
1138 * it is called in a work_queue when switching to ad-hoc mode
1139 * or in behalf of iwlist scan when the card is associated
1140 * and root user ask for a scan.
1141 * the function stop_scan should stop both the syncro and
1142 * background scanning and can sleep.
1143 * The function start_scan should initiate the background
1144 * scanning and can't sleep.
1145 */
1146 void (*scan_syncro)(struct net_device *dev);
1147 void (*start_scan)(struct net_device *dev);
1148 void (*stop_scan)(struct net_device *dev);
1149
1150 /* indicate the driver that the link state is changed
1151 * for example it may indicate the card is associated now.
1152 * Driver might be interested in this to apply RX filter
1153 * rules or simply light the LINK led
1154 */
1155 void (*link_change)(struct net_device *dev);
1156
1157 /* these two function indicates to the HW when to start
1158 * and stop to send beacons. This is used when the
1159 * IEEE_SOFTMAC_BEACONS is not set. For now the
1160 * stop_send_bacons is NOT guaranteed to be called only
1161 * after start_send_beacons.
1162 */
1163 void (*start_send_beacons) (struct net_device *dev);
1164 void (*stop_send_beacons) (struct net_device *dev);
1165
1166 /* power save mode related */
1167 void (*sta_wake_up) (struct net_device *dev);
1168 void (*ps_request_tx_ack) (struct net_device *dev);
1169 void (*enter_sleep_state) (struct net_device *dev, u32 th, u32 tl);
1170 short (*ps_is_queue_empty) (struct net_device *dev);
1171
1172 /* QoS related */
1173 //void (*wmm_param_update) (struct net_device *dev, u8 *ac_param);
1174 //void (*wmm_param_update) (struct ieee80211_device *ieee);
1175
1176 /* This must be the last item so that it points to the data
1177 * allocated beyond this structure by alloc_ieee80211 */
1178 u8 priv[0];
1179 };
1180
1181 #define IEEE_A (1<<0)
1182 #define IEEE_B (1<<1)
1183 #define IEEE_G (1<<2)
1184 #define IEEE_MODE_MASK (IEEE_A|IEEE_B|IEEE_G)
1185
1186 /* Generate a 802.11 header */
1187
1188 /* Uses the channel change callback directly
1189 * instead of [start/stop] scan callbacks
1190 */
1191 #define IEEE_SOFTMAC_SCAN (1<<2)
1192
1193 /* Perform authentication and association handshake */
1194 #define IEEE_SOFTMAC_ASSOCIATE (1<<3)
1195
1196 /* Generate probe requests */
1197 #define IEEE_SOFTMAC_PROBERQ (1<<4)
1198
1199 /* Generate response to probe requests */
1200 #define IEEE_SOFTMAC_PROBERS (1<<5)
1201
1202 /* The ieee802.11 stack will manages the netif queue
1203 * wake/stop for the driver, taking care of 802.11
1204 * fragmentation. See softmac.c for details. */
1205 #define IEEE_SOFTMAC_TX_QUEUE (1<<7)
1206
1207 /* Uses only the softmac_data_hard_start_xmit
1208 * even for TX management frames.
1209 */
1210 #define IEEE_SOFTMAC_SINGLE_QUEUE (1<<8)
1211
1212 /* Generate beacons. The stack will enqueue beacons
1213 * to the card
1214 */
1215 #define IEEE_SOFTMAC_BEACONS (1<<6)
1216
1217
1218
ieee80211_priv(struct net_device * dev)1219 static inline void *ieee80211_priv(struct net_device *dev)
1220 {
1221 return ((struct ieee80211_device *)netdev_priv(dev))->priv;
1222 }
1223
ieee80211_is_empty_essid(const char * essid,int essid_len)1224 static inline int ieee80211_is_empty_essid(const char *essid, int essid_len)
1225 {
1226 /* Single white space is for Linksys APs */
1227 if (essid_len == 1 && essid[0] == ' ')
1228 return 1;
1229
1230 /* Otherwise, if the entire essid is 0, we assume it is hidden */
1231 while (essid_len) {
1232 essid_len--;
1233 if (essid[essid_len] != '\0')
1234 return 0;
1235 }
1236
1237 return 1;
1238 }
1239
ieee80211_is_valid_mode(struct ieee80211_device * ieee,int mode)1240 static inline int ieee80211_is_valid_mode(struct ieee80211_device *ieee, int mode)
1241 {
1242 /*
1243 * It is possible for both access points and our device to support
1244 * combinations of modes, so as long as there is one valid combination
1245 * of ap/device supported modes, then return success
1246 *
1247 */
1248 if ((mode & IEEE_A) &&
1249 (ieee->modulation & IEEE80211_OFDM_MODULATION) &&
1250 (ieee->freq_band & IEEE80211_52GHZ_BAND))
1251 return 1;
1252
1253 if ((mode & IEEE_G) &&
1254 (ieee->modulation & IEEE80211_OFDM_MODULATION) &&
1255 (ieee->freq_band & IEEE80211_24GHZ_BAND))
1256 return 1;
1257
1258 if ((mode & IEEE_B) &&
1259 (ieee->modulation & IEEE80211_CCK_MODULATION) &&
1260 (ieee->freq_band & IEEE80211_24GHZ_BAND))
1261 return 1;
1262
1263 return 0;
1264 }
1265
ieee80211_get_hdrlen(u16 fc)1266 static inline int ieee80211_get_hdrlen(u16 fc)
1267 {
1268 int hdrlen = 24;
1269
1270 switch (WLAN_FC_GET_TYPE(fc)) {
1271 case IEEE80211_FTYPE_DATA:
1272 if ((fc & IEEE80211_FCTL_FROMDS) && (fc & IEEE80211_FCTL_TODS))
1273 hdrlen = 30; /* Addr4 */
1274 if(IEEE80211_QOS_HAS_SEQ(fc))
1275 hdrlen += 2; /* QOS ctrl*/
1276 break;
1277 case IEEE80211_FTYPE_CTL:
1278 switch (WLAN_FC_GET_STYPE(fc)) {
1279 case IEEE80211_STYPE_CTS:
1280 case IEEE80211_STYPE_ACK:
1281 hdrlen = 10;
1282 break;
1283 default:
1284 hdrlen = 16;
1285 break;
1286 }
1287 break;
1288 }
1289
1290 return hdrlen;
1291 }
1292
1293
1294
1295 /* ieee80211.c */
1296 extern void free_ieee80211(struct net_device *dev);
1297 extern struct net_device *alloc_ieee80211(int sizeof_priv);
1298
1299 extern int ieee80211_set_encryption(struct ieee80211_device *ieee);
1300
1301 /* ieee80211_tx.c */
1302
1303 extern int ieee80211_encrypt_fragment(
1304 struct ieee80211_device *ieee,
1305 struct sk_buff *frag,
1306 int hdr_len);
1307
1308 extern int ieee80211_rtl_xmit(struct sk_buff *skb,
1309 struct net_device *dev);
1310 extern void ieee80211_txb_free(struct ieee80211_txb *);
1311
1312
1313 /* ieee80211_rx.c */
1314 extern int ieee80211_rtl_rx(struct ieee80211_device *ieee, struct sk_buff *skb,
1315 struct ieee80211_rx_stats *rx_stats);
1316 extern void ieee80211_rx_mgt(struct ieee80211_device *ieee,
1317 struct ieee80211_hdr_4addr *header,
1318 struct ieee80211_rx_stats *stats);
1319
1320 /* ieee80211_wx.c */
1321 extern int ieee80211_wx_get_scan(struct ieee80211_device *ieee,
1322 struct iw_request_info *info,
1323 union iwreq_data *wrqu, char *key);
1324 extern int ieee80211_wx_set_encode(struct ieee80211_device *ieee,
1325 struct iw_request_info *info,
1326 union iwreq_data *wrqu, char *key);
1327 extern int ieee80211_wx_get_encode(struct ieee80211_device *ieee,
1328 struct iw_request_info *info,
1329 union iwreq_data *wrqu, char *key);
1330 extern int ieee80211_wx_set_encode_ext(struct ieee80211_device *ieee,
1331 struct iw_request_info *info,
1332 union iwreq_data* wrqu, char *extra);
1333 int ieee80211_wx_set_auth(struct ieee80211_device *ieee,
1334 struct iw_request_info *info,
1335 struct iw_param *data, char *extra);
1336 int ieee80211_wx_set_mlme(struct ieee80211_device *ieee,
1337 struct iw_request_info *info,
1338 union iwreq_data *wrqu, char *extra);
1339
1340 int ieee80211_wx_set_gen_ie(struct ieee80211_device *ieee, u8 *ie, size_t len);
1341 /* ieee80211_softmac.c */
1342 extern short ieee80211_is_54g(const struct ieee80211_network *net);
1343 extern short ieee80211_is_shortslot(const struct ieee80211_network *net);
1344 extern int ieee80211_rx_frame_softmac(struct ieee80211_device *ieee, struct sk_buff *skb,
1345 struct ieee80211_rx_stats *rx_stats, u16 type,
1346 u16 stype);
1347 extern void ieee80211_softmac_new_net(struct ieee80211_device *ieee, struct ieee80211_network *net);
1348
1349 extern void ieee80211_softmac_xmit(struct ieee80211_txb *txb, struct ieee80211_device *ieee);
1350 extern void ieee80211_softmac_check_all_nets(struct ieee80211_device *ieee);
1351 extern void ieee80211_start_bss(struct ieee80211_device *ieee);
1352 extern void ieee80211_start_master_bss(struct ieee80211_device *ieee);
1353 extern void ieee80211_start_ibss(struct ieee80211_device *ieee);
1354 extern void ieee80211_softmac_init(struct ieee80211_device *ieee);
1355 extern void ieee80211_softmac_free(struct ieee80211_device *ieee);
1356 extern void ieee80211_associate_abort(struct ieee80211_device *ieee);
1357 extern void ieee80211_disassociate(struct ieee80211_device *ieee);
1358 extern void ieee80211_stop_scan(struct ieee80211_device *ieee);
1359 extern void ieee80211_start_scan_syncro(struct ieee80211_device *ieee);
1360 extern void ieee80211_check_all_nets(struct ieee80211_device *ieee);
1361 extern void ieee80211_start_protocol(struct ieee80211_device *ieee);
1362 extern void ieee80211_stop_protocol(struct ieee80211_device *ieee);
1363 extern void ieee80211_softmac_start_protocol(struct ieee80211_device *ieee);
1364 extern void ieee80211_softmac_stop_protocol(struct ieee80211_device *ieee);
1365 extern void ieee80211_reset_queue(struct ieee80211_device *ieee);
1366 extern void ieee80211_rtl_wake_queue(struct ieee80211_device *ieee);
1367 extern void ieee80211_rtl_stop_queue(struct ieee80211_device *ieee);
1368 extern struct sk_buff *ieee80211_get_beacon(struct ieee80211_device *ieee);
1369 extern void ieee80211_start_send_beacons(struct ieee80211_device *ieee);
1370 extern void ieee80211_stop_send_beacons(struct ieee80211_device *ieee);
1371 extern int ieee80211_wpa_supplicant_ioctl(struct ieee80211_device *ieee, struct iw_point *p);
1372 extern void notify_wx_assoc_event(struct ieee80211_device *ieee);
1373 extern void ieee80211_ps_tx_ack(struct ieee80211_device *ieee, short success);
1374 extern void SendDisassociation(struct ieee80211_device *ieee,u8* asSta,u8 asRsn);
1375 extern void ieee80211_rtl_start_scan(struct ieee80211_device *ieee);
1376
1377 //Add for RF power on power off by lizhaoming 080512
1378 extern void SendDisassociation(struct ieee80211_device *ieee,
1379 u8* asSta,
1380 u8 asRsn);
1381
1382 /* ieee80211_crypt_ccmp&tkip&wep.c */
1383 extern void ieee80211_tkip_null(void);
1384 extern void ieee80211_wep_null(void);
1385 extern void ieee80211_ccmp_null(void);
1386 /* ieee80211_softmac_wx.c */
1387
1388 extern int ieee80211_wx_get_wap(struct ieee80211_device *ieee,
1389 struct iw_request_info *info,
1390 union iwreq_data *wrqu, char *ext);
1391
1392 extern int ieee80211_wx_set_wap(struct ieee80211_device *ieee,
1393 struct iw_request_info *info,
1394 union iwreq_data *awrq,
1395 char *extra);
1396
1397 extern int ieee80211_wx_get_essid(struct ieee80211_device *ieee, struct iw_request_info *a,union iwreq_data *wrqu,char *b);
1398
1399 extern int ieee80211_wx_set_rate(struct ieee80211_device *ieee,
1400 struct iw_request_info *info,
1401 union iwreq_data *wrqu, char *extra);
1402
1403 extern int ieee80211_wx_get_rate(struct ieee80211_device *ieee,
1404 struct iw_request_info *info,
1405 union iwreq_data *wrqu, char *extra);
1406
1407 extern int ieee80211_wx_set_mode(struct ieee80211_device *ieee, struct iw_request_info *a,
1408 union iwreq_data *wrqu, char *b);
1409
1410 extern int ieee80211_wx_set_scan(struct ieee80211_device *ieee, struct iw_request_info *a,
1411 union iwreq_data *wrqu, char *b);
1412
1413 extern int ieee80211_wx_set_essid(struct ieee80211_device *ieee,
1414 struct iw_request_info *a,
1415 union iwreq_data *wrqu, char *extra);
1416
1417 extern int ieee80211_wx_get_mode(struct ieee80211_device *ieee, struct iw_request_info *a,
1418 union iwreq_data *wrqu, char *b);
1419
1420 extern int ieee80211_wx_set_freq(struct ieee80211_device *ieee, struct iw_request_info *a,
1421 union iwreq_data *wrqu, char *b);
1422
1423 extern int ieee80211_wx_get_freq(struct ieee80211_device *ieee, struct iw_request_info *a,
1424 union iwreq_data *wrqu, char *b);
1425
1426 extern void ieee80211_wx_sync_scan_wq(struct work_struct *work);
1427
1428 extern int ieee80211_wx_set_rawtx(struct ieee80211_device *ieee,
1429 struct iw_request_info *info,
1430 union iwreq_data *wrqu, char *extra);
1431
1432 extern int ieee80211_wx_get_name(struct ieee80211_device *ieee,
1433 struct iw_request_info *info,
1434 union iwreq_data *wrqu, char *extra);
1435
1436 extern int ieee80211_wx_set_power(struct ieee80211_device *ieee,
1437 struct iw_request_info *info,
1438 union iwreq_data *wrqu, char *extra);
1439
1440 extern int ieee80211_wx_get_power(struct ieee80211_device *ieee,
1441 struct iw_request_info *info,
1442 union iwreq_data *wrqu, char *extra);
1443
1444 extern void ieee80211_softmac_ips_scan_syncro(struct ieee80211_device *ieee);
1445
1446 extern void ieee80211_sta_ps_send_null_frame(struct ieee80211_device *ieee, short pwr);
1447
1448 extern const long ieee80211_wlan_frequencies[];
1449
ieee80211_increment_scans(struct ieee80211_device * ieee)1450 extern inline void ieee80211_increment_scans(struct ieee80211_device *ieee)
1451 {
1452 ieee->scans++;
1453 }
1454
ieee80211_get_scans(struct ieee80211_device * ieee)1455 extern inline int ieee80211_get_scans(struct ieee80211_device *ieee)
1456 {
1457 return ieee->scans;
1458 }
1459
escape_essid(const char * essid,u8 essid_len)1460 static inline const char *escape_essid(const char *essid, u8 essid_len) {
1461 static char escaped[IW_ESSID_MAX_SIZE * 2 + 1];
1462 const char *s = essid;
1463 char *d = escaped;
1464
1465 if (ieee80211_is_empty_essid(essid, essid_len)) {
1466 memcpy(escaped, "<hidden>", sizeof("<hidden>"));
1467 return escaped;
1468 }
1469
1470 essid_len = min(essid_len, (u8)IW_ESSID_MAX_SIZE);
1471 while (essid_len--) {
1472 if (*s == '\0') {
1473 *d++ = '\\';
1474 *d++ = '0';
1475 s++;
1476 } else {
1477 *d++ = *s++;
1478 }
1479 }
1480 *d = '\0';
1481 return escaped;
1482 }
1483 #endif /* IEEE80211_H */
1484