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
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
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
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, \
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
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
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
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};
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
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
455/* Management Frame Information Element Types */
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};
471
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
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));
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
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
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));
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
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
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
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
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
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
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
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
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 */
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
812	u8 Turbo_Enable;//enable turbo mode, added by thomas
813	u16 CountryIeLen;
814	u8 CountryIeBuf[MAX_IE_LEN];
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
837	/* the association procedure has successfully authentcated
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
862typedef struct tx_pending_t{
863	int frag;
864	struct ieee80211_txb *txb;
865}tx_pending_t;
866
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};
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 */
937	// each streaming contain a 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: pleace 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 (mamagement) 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. I 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 swithced 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 swithcing 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 respones 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
1219static inline void *ieee80211_priv(struct net_device *dev)
1220{
1221	return ((struct ieee80211_device *)netdev_priv(dev))->priv;
1222}
1223
1224extern 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
1240extern 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
1266extern 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 */
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
1308extern int ieee80211_rtl_xmit(struct sk_buff *skb,
1309			  struct net_device *dev);
1310extern void ieee80211_txb_free(struct ieee80211_txb *);
1311
1312
1313/* ieee80211_rx.c */
1314extern int ieee80211_rtl_rx(struct ieee80211_device *ieee, struct sk_buff *skb,
1315			struct ieee80211_rx_stats *rx_stats);
1316extern 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 */
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 */
1342extern short ieee80211_is_54g(const struct ieee80211_network *net);
1343extern short ieee80211_is_shortslot(const struct ieee80211_network *net);
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);
1366extern void ieee80211_rtl_wake_queue(struct ieee80211_device *ieee);
1367extern void ieee80211_rtl_stop_queue(struct ieee80211_device *ieee);
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);
1375extern void ieee80211_rtl_start_scan(struct ieee80211_device *ieee);
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);
1425
1426extern void ieee80211_wx_sync_scan_wq(struct work_struct *work);
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 */
1484