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c8d86be3
GKH		 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
559a4c31 17 * <andrea.merello@gmail.com>
c8d86be3
GKH		 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 */
c8d86be3
GKH		 28#include <linux/jiffies.h>
29#include <linux/timer.h>
30#include <linux/sched.h>
a94f530a 31#include <linux/semaphore.h>
c8d86be3 32#include <linux/wireless.h>
03ea5099 33#include <linux/ieee80211.h>
219eb47e 34#include <linux/interrupt.h>
0370453f 35
c8d86be3
GKH		 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
c8d86be3
GKH		 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
c8d86be3
GKH		 93//by amy for ps
94typedef 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
c8d86be3
GKH		 125#define MSECS(t) msecs_to_jiffies(t)
126#define msleep_interruptible_rtl msleep_interruptible
c8d86be3
GKH		 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
c8d86be3
GKH		 137#define IEEE80211_3ADDR_LEN 24
138#define IEEE80211_4ADDR_LEN 30
139#define IEEE80211_FCS_LEN 4
bea385ac
BZ		 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
c8d86be3
GKH		 145
146#define MIN_FRAG_THRESHOLD 256U
147#define MAX_FRAG_THRESHOLD 2346U
148
149/* Frame control field constants */
c8d86be3 150#define IEEE80211_FCTL_DSTODS 0x0300 //added by david
c8d86be3 151#define IEEE80211_FCTL_WEP 0x4000
c8d86be3
GKH		 152
153/* debug macros */
154
155#ifdef CONFIG_IEEE80211_DEBUG
156extern u32 ieee80211_debug_level;
157#define IEEE80211_DEBUG(level, fmt, args...) \
158do { if (ieee80211_debug_level & (level)) \
159 printk(KERN_DEBUG "ieee80211: %c %s " fmt, \
d599edca 160 in_interrupt() ? 'I' : 'U', __func__ , ## args); } while (0)
c8d86be3
GKH		 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>
c8d86be3
GKH		 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
239struct 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
c8d86be3 256#define WLAN_CAPABILITY_BSS (1<<0)
c8d86be3
GKH		 257#define WLAN_CAPABILITY_SHORT_SLOT (1<<10)
258
c8d86be3
GKH		 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
bea385ac
BZ		 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
c8d86be3 330
bea385ac
BZ		 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))
c8d86be3 334
bea385ac
BZ		 335/* this is stolen from ipw2200 driver */
336#define IEEE_IBSS_MAC_HASH_SIZE 31
337struct 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};
c8d86be3
GKH		 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. */
348struct 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
369struct 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
378struct 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
c8d86be3
GKH		 402struct 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
427struct 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 ,-------------------------------------------------------------------.
445Bytes | 2 | 2 | 6 | 6 | 6 | 2 | 0..2312 | 4 |
446 |------|------|---------|---------|---------|------|---------|------|
447Desc. | ctrl | dura | DA/RA | TA | SA | Sequ | frame | fcs |
448 | | tion | (BSSID) | | | ence | data | |
449 `-------------------------------------------------------------------'
450
451Total: 28-2340 bytes
452
453*/
454
c8d86be3 455/* Management Frame Information Element Types */
e1b19da1
BZ		 456enum {
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};
c8d86be3 471
bea385ac
BZ		 472struct 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
bea385ac
BZ		 481struct 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
491struct 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
501struct 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));
c8d86be3
GKH		 511
512struct ieee80211_info_element_hdr {
513 u8 id;
514 u8 len;
515} __attribute__ ((packed));
516
517struct ieee80211_info_element {
518 u8 id;
519 u8 len;
520 u8 data[0];
521} __attribute__ ((packed));
522
c8d86be3
GKH		 523struct 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
bea385ac
BZ		 531struct ieee80211_disassoc_frame {
532 struct ieee80211_hdr_3addr header;
533 u16 reasoncode;
534} __attribute__ ((packed));
535
536struct ieee80211_probe_request {
537 struct ieee80211_header_data header;
538 /* struct ieee80211_info_element info_element; */
539} __attribute__ ((packed));
c8d86be3
GKH		 540
541struct 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
c8d86be3
GKH		 549struct 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
557struct 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
c8d86be3
GKH		 565struct 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
bea385ac
BZ		 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
c8d86be3
GKH		 600struct ieee80211_wmm_ac_param {
601 u8 ac_aci_acm_aifsn;
602 u8 ac_ecwmin_ecwmax;
603 u16 ac_txop_limit;
604};
605
606struct ieee80211_wmm_ts_info {
607 u8 ac_dir_tid;
608 u8 ac_up_psb;
609 u8 reserved;
610} __attribute__ ((packed));
611
612struct 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
bea385ac
BZ		 631enum eap_type {
632 EAP_PACKET = 0,
633 EAPOL_START,
634 EAPOL_LOGOFF,
635 EAPOL_KEY,
636 EAPOL_ENCAP_ASF_ALERT
637};
638
639static 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
647static inline const char *eap_get_type(int type)
648{
649 return (type >= ARRAY_SIZE(eap_types)) ? "Unknown" : eap_types[type];
650}
651
652struct eapol {
653 u8 snap[6];
654 u16 ethertype;
655 u8 version;
656 u8 type;
657 u16 length;
658} __attribute__ ((packed));
659
660struct 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
c8d86be3
GKH		 702enum {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
c8d86be3
GKH		 707#define MAX_IE_LEN 0xFF //+YJ,080625
708
709typedef struct _CHANNEL_LIST{
710 u8 Channel[MAX_CHANNEL_NUMBER + 1];
711 u8 Len;
712}CHANNEL_LIST, *PCHANNEL_LIST;
713
c8d86be3
GKH		 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
c8d86be3
GKH		 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 */
760struct 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
773struct 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
c8d86be3 812 u8 Turbo_Enable;//enable turbo mode, added by thomas
c8d86be3
GKH		 813 u16 CountryIeLen;
814 u8 CountryIeBuf[MAX_IE_LEN];
c8d86be3
GKH		 815};
816
817enum 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
ed2cb4f3 837 /* the association procedure has successfully authenticated
c8d86be3
GKH		 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
c8d86be3 858
c8d86be3
GKH		 859#define CFG_IEEE80211_RESERVE_FCS (1<<0)
860#define CFG_IEEE80211_COMPUTE_FCS (1<<1)
861
862typedef struct tx_pending_t{
863 int frag;
864 struct ieee80211_txb *txb;
865}tx_pending_t;
866
bea385ac
BZ		 867enum {
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};
c8d86be3
GKH		 880
881struct 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 */
ed2cb4f3 937 /* each stream contains an entry */
c8d86be3
GKH		 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
c8d86be3
GKH		 966 void * pDot11dInfo;
967 bool bGlobalDomain;
968
969 // For Liteon Ch12~13 passive scan
970 u8 MinPassiveChnlNum;
971 u8 IbssStartChnl;
c8d86be3
GKH		 972
973 int rate; /* current rate */
974 int basic_rate;
ed2cb4f3 975 //FIXME: please callback, see if redundant with softmac_features
c8d86be3
GKH		 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;
c8d86be3
GKH		 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;
c8d86be3 1081
c8d86be3
GKH		 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
3d604a39 1097 /* Softmac-generated frames (management) are TXed via this
c8d86be3
GKH		 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.
25985edc 1102 * This function can't sleep.
c8d86be3
GKH		 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
ed2cb4f3 1109 * frames. If the option IEEE_SOFTMAC_SINGLE_QUEUE is also set
c8d86be3
GKH		 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
ed2cb4f3 1127 * the radio has been switched before return.
c8d86be3
GKH		 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,
ed2cb4f3 1138 * it is called in a work_queue when switching to ad-hoc mode
c8d86be3
GKH		 1139 * or in behalf of iwlist scan when the card is associated
1140 * and root user ask for a scan.
25985edc 1141 * the function stop_scan should stop both the syncro and
c8d86be3 1142 * background scanning and can sleep.
25985edc 1143 * The function start_scan should initiate the background
c8d86be3
GKH		 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
ed2cb4f3 1199/* Generate response to probe requests */
c8d86be3
GKH		 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
1219static inline void *ieee80211_priv(struct net_device *dev)
1220{
1221 return ((struct ieee80211_device *)netdev_priv(dev))->priv;
1222}
1223
f71ccaa4 1224static inline int ieee80211_is_empty_essid(const char *essid, int essid_len)
c8d86be3
GKH		 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
f71ccaa4 1240static inline int ieee80211_is_valid_mode(struct ieee80211_device *ieee, int mode)
c8d86be3
GKH		 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
f71ccaa4 1266static inline int ieee80211_get_hdrlen(u16 fc)
c8d86be3
GKH		 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 */
1296extern void free_ieee80211(struct net_device *dev);
1297extern struct net_device *alloc_ieee80211(int sizeof_priv);
1298
1299extern int ieee80211_set_encryption(struct ieee80211_device *ieee);
1300
1301/* ieee80211_tx.c */
1302
1303extern int ieee80211_encrypt_fragment(
1304 struct ieee80211_device *ieee,
1305 struct sk_buff *frag,
1306 int hdr_len);
1307
df574b8e 1308extern int ieee80211_rtl_xmit(struct sk_buff *skb,
c8d86be3
GKH		 1309 struct net_device *dev);
1310extern void ieee80211_txb_free(struct ieee80211_txb *);
1311
1312
1313/* ieee80211_rx.c */
df574b8e 1314extern int ieee80211_rtl_rx(struct ieee80211_device *ieee, struct sk_buff *skb,
c8d86be3
GKH		 1315 struct ieee80211_rx_stats *rx_stats);
1316extern void ieee80211_rx_mgt(struct ieee80211_device *ieee,
0604384d 1317 struct ieee80211_hdr_4addr *header,
c8d86be3
GKH		 1318 struct ieee80211_rx_stats *stats);
1319
1320/* ieee80211_wx.c */
1321extern int ieee80211_wx_get_scan(struct ieee80211_device *ieee,
1322 struct iw_request_info *info,
1323 union iwreq_data *wrqu, char *key);
1324extern int ieee80211_wx_set_encode(struct ieee80211_device *ieee,
1325 struct iw_request_info *info,
1326 union iwreq_data *wrqu, char *key);
1327extern int ieee80211_wx_get_encode(struct ieee80211_device *ieee,
1328 struct iw_request_info *info,
1329 union iwreq_data *wrqu, char *key);
1330extern int ieee80211_wx_set_encode_ext(struct ieee80211_device *ieee,
1331 struct iw_request_info *info,
1332 union iwreq_data* wrqu, char *extra);
1333int ieee80211_wx_set_auth(struct ieee80211_device *ieee,
1334 struct iw_request_info *info,
1335 struct iw_param *data, char *extra);
1336int ieee80211_wx_set_mlme(struct ieee80211_device *ieee,
1337 struct iw_request_info *info,
1338 union iwreq_data *wrqu, char *extra);
1339
1340int ieee80211_wx_set_gen_ie(struct ieee80211_device *ieee, u8 *ie, size_t len);
1341/* ieee80211_softmac.c */
74d556bc
JJ		 1342extern short ieee80211_is_54g(const struct ieee80211_network *net);
1343extern short ieee80211_is_shortslot(const struct ieee80211_network *net);
c8d86be3
GKH		 1344extern 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);
1347extern void ieee80211_softmac_new_net(struct ieee80211_device *ieee, struct ieee80211_network *net);
1348
1349extern void ieee80211_softmac_xmit(struct ieee80211_txb *txb, struct ieee80211_device *ieee);
1350extern void ieee80211_softmac_check_all_nets(struct ieee80211_device *ieee);
1351extern void ieee80211_start_bss(struct ieee80211_device *ieee);
1352extern void ieee80211_start_master_bss(struct ieee80211_device *ieee);
1353extern void ieee80211_start_ibss(struct ieee80211_device *ieee);
1354extern void ieee80211_softmac_init(struct ieee80211_device *ieee);
1355extern void ieee80211_softmac_free(struct ieee80211_device *ieee);
1356extern void ieee80211_associate_abort(struct ieee80211_device *ieee);
1357extern void ieee80211_disassociate(struct ieee80211_device *ieee);
1358extern void ieee80211_stop_scan(struct ieee80211_device *ieee);
1359extern void ieee80211_start_scan_syncro(struct ieee80211_device *ieee);
1360extern void ieee80211_check_all_nets(struct ieee80211_device *ieee);
1361extern void ieee80211_start_protocol(struct ieee80211_device *ieee);
1362extern void ieee80211_stop_protocol(struct ieee80211_device *ieee);
1363extern void ieee80211_softmac_start_protocol(struct ieee80211_device *ieee);
1364extern void ieee80211_softmac_stop_protocol(struct ieee80211_device *ieee);
1365extern void ieee80211_reset_queue(struct ieee80211_device *ieee);
df574b8e
GK		 1366extern void ieee80211_rtl_wake_queue(struct ieee80211_device *ieee);
1367extern void ieee80211_rtl_stop_queue(struct ieee80211_device *ieee);
c8d86be3
GKH		 1368extern struct sk_buff *ieee80211_get_beacon(struct ieee80211_device *ieee);
1369extern void ieee80211_start_send_beacons(struct ieee80211_device *ieee);
1370extern void ieee80211_stop_send_beacons(struct ieee80211_device *ieee);
1371extern int ieee80211_wpa_supplicant_ioctl(struct ieee80211_device *ieee, struct iw_point *p);
1372extern void notify_wx_assoc_event(struct ieee80211_device *ieee);
1373extern void ieee80211_ps_tx_ack(struct ieee80211_device *ieee, short success);
1374extern void SendDisassociation(struct ieee80211_device *ieee,u8* asSta,u8 asRsn);
df574b8e 1375extern void ieee80211_rtl_start_scan(struct ieee80211_device *ieee);
c8d86be3
GKH		 1376
1377//Add for RF power on power off by lizhaoming 080512
1378extern void SendDisassociation(struct ieee80211_device *ieee,
1379 u8* asSta,
1380 u8 asRsn);
1381
1382/* ieee80211_crypt_ccmp&tkip&wep.c */
1383extern void ieee80211_tkip_null(void);
1384extern void ieee80211_wep_null(void);
1385extern void ieee80211_ccmp_null(void);
1386/* ieee80211_softmac_wx.c */
1387
1388extern int ieee80211_wx_get_wap(struct ieee80211_device *ieee,
1389 struct iw_request_info *info,
1390 union iwreq_data *wrqu, char *ext);
1391
1392extern int ieee80211_wx_set_wap(struct ieee80211_device *ieee,
1393 struct iw_request_info *info,
1394 union iwreq_data *awrq,
1395 char *extra);
1396
1397extern int ieee80211_wx_get_essid(struct ieee80211_device *ieee, struct iw_request_info *a,union iwreq_data *wrqu,char *b);
1398
1399extern int ieee80211_wx_set_rate(struct ieee80211_device *ieee,
1400 struct iw_request_info *info,
1401 union iwreq_data *wrqu, char *extra);
1402
1403extern int ieee80211_wx_get_rate(struct ieee80211_device *ieee,
1404 struct iw_request_info *info,
1405 union iwreq_data *wrqu, char *extra);
1406
1407extern int ieee80211_wx_set_mode(struct ieee80211_device *ieee, struct iw_request_info *a,
1408 union iwreq_data *wrqu, char *b);
1409
1410extern int ieee80211_wx_set_scan(struct ieee80211_device *ieee, struct iw_request_info *a,
1411 union iwreq_data *wrqu, char *b);
1412
1413extern int ieee80211_wx_set_essid(struct ieee80211_device *ieee,
1414 struct iw_request_info *a,
1415 union iwreq_data *wrqu, char *extra);
1416
1417extern int ieee80211_wx_get_mode(struct ieee80211_device *ieee, struct iw_request_info *a,
1418 union iwreq_data *wrqu, char *b);
1419
1420extern int ieee80211_wx_set_freq(struct ieee80211_device *ieee, struct iw_request_info *a,
1421 union iwreq_data *wrqu, char *b);
1422
1423extern int ieee80211_wx_get_freq(struct ieee80211_device *ieee, struct iw_request_info *a,
1424 union iwreq_data *wrqu, char *b);
0370453f 1425
c8d86be3 1426extern void ieee80211_wx_sync_scan_wq(struct work_struct *work);
c8d86be3
GKH		 1427
1428extern int ieee80211_wx_set_rawtx(struct ieee80211_device *ieee,
1429 struct iw_request_info *info,
1430 union iwreq_data *wrqu, char *extra);
1431
1432extern int ieee80211_wx_get_name(struct ieee80211_device *ieee,
1433 struct iw_request_info *info,
1434 union iwreq_data *wrqu, char *extra);
1435
1436extern int ieee80211_wx_set_power(struct ieee80211_device *ieee,
1437 struct iw_request_info *info,
1438 union iwreq_data *wrqu, char *extra);
1439
1440extern int ieee80211_wx_get_power(struct ieee80211_device *ieee,
1441 struct iw_request_info *info,
1442 union iwreq_data *wrqu, char *extra);
1443
1444extern void ieee80211_softmac_ips_scan_syncro(struct ieee80211_device *ieee);
1445
1446extern void ieee80211_sta_ps_send_null_frame(struct ieee80211_device *ieee, short pwr);
1447
1448extern const long ieee80211_wlan_frequencies[];
1449
1450extern inline void ieee80211_increment_scans(struct ieee80211_device *ieee)
1451{
1452 ieee->scans++;
1453}
1454
1455extern inline int ieee80211_get_scans(struct ieee80211_device *ieee)
1456{
1457 return ieee->scans;
1458}
1459
1460static 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 */
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