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  * <andrea.merello@gmail.com>
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>
28 #include <linux/module.h>
29 #include <linux/jiffies.h>
30 #include <linux/timer.h>
31 #include <linux/sched.h>
32 #include <linux/semaphore.h>
33 #include <linux/interrupt.h>
34 
35 #include <linux/delay.h>
36 #include <linux/wireless.h>
37 #include <linux/ieee80211.h>
38 
39 #include "rtl819x_HT.h"
40 #include "rtl819x_BA.h"
41 #include "rtl819x_TS.h"
42 
43 
44 #ifndef IW_MODE_MONITOR
45 #define IW_MODE_MONITOR 6
46 #endif
47 
48 #ifndef IWEVCUSTOM
49 #define IWEVCUSTOM 0x8c02
50 #endif
51 
52 #define KEY_TYPE_NA		0x0
53 #define KEY_TYPE_WEP40		0x1
54 #define KEY_TYPE_TKIP		0x2
55 #define KEY_TYPE_CCMP		0x4
56 #define KEY_TYPE_WEP104		0x5
57 
58 /* added for rtl819x tx procedure */
59 #define MAX_QUEUE_SIZE		0x10
60 
61 //
62 // 8190 queue mapping
63 //
64 #define BK_QUEUE                               0
65 #define BE_QUEUE                               1
66 #define VI_QUEUE                               2
67 #define VO_QUEUE                               3
68 #define HCCA_QUEUE                             4
69 #define TXCMD_QUEUE                            5
70 #define MGNT_QUEUE                             6
71 #define HIGH_QUEUE                             7
72 #define BEACON_QUEUE                           8
73 
74 #define LOW_QUEUE                              BE_QUEUE
75 #define NORMAL_QUEUE                           MGNT_QUEUE
76 
77 //added by amy for ps
78 #define SWRF_TIMEOUT				50
79 
80 //added by amy for LEAP related
81 #define IE_CISCO_FLAG_POSITION		0x08	// Flag byte: byte 8, numbered from 0.
82 #define SUPPORT_CKIP_MIC			0x08	// bit3
83 #define SUPPORT_CKIP_PK			0x10	// bit4
84 /* defined for skb cb field */
85 /* At most 28 byte */
86 struct cb_desc {
87 	/* Tx Desc Related flags (8-9) */
88 	u8 bLastIniPkt:1;
89 	u8 bCmdOrInit:1;
90 	u8 bFirstSeg:1;
91 	u8 bLastSeg:1;
92 	u8 bEncrypt:1;
93 	u8 bTxDisableRateFallBack:1;
94 	u8 bTxUseDriverAssingedRate:1;
95 	u8 bHwSec:1; //indicate whether use Hw security. WB
96 
97 	u8 reserved1;
98 
99 	/* Tx Firmware Relaged flags (10-11)*/
100 	u8 bCTSEnable:1;
101 	u8 bRTSEnable:1;
102 	u8 bUseShortGI:1;
103 	u8 bUseShortPreamble:1;
104 	u8 bTxEnableFwCalcDur:1;
105 	u8 bAMPDUEnable:1;
106 	u8 bRTSSTBC:1;
107 	u8 RTSSC:1;
108 
109 	u8 bRTSBW:1;
110 	u8 bPacketBW:1;
111 	u8 bRTSUseShortPreamble:1;
112 	u8 bRTSUseShortGI:1;
113 	u8 bMulticast:1;
114 	u8 bBroadcast:1;
115 	//u8 reserved2:2;
116 	u8 drv_agg_enable:1;
117 	u8 reserved2:1;
118 
119 	/* Tx Desc related element(12-19) */
120 	u8 rata_index;
121 	u8 queue_index;
122 	//u8 reserved3;
123 	//u8 reserved4;
124 	u16 txbuf_size;
125 	//u8 reserved5;
126 	u8 RATRIndex;
127 	u8 reserved6;
128 	u8 reserved7;
129 	u8 reserved8;
130 
131 	/* Tx firmware related element(20-27) */
132 	u8 data_rate;
133 	u8 rts_rate;
134 	u8 ampdu_factor;
135 	u8 ampdu_density;
136 	//u8 reserved9;
137 	//u8 reserved10;
138 	//u8 reserved11;
139 	u8 DrvAggrNum;
140 	u16 pkt_size;
141 	u8 reserved12;
142 };
143 
144 /*--------------------------Define -------------------------------------------*/
145 #define MGN_1M                  0x02
146 #define MGN_2M                  0x04
147 #define MGN_5_5M                0x0b
148 #define MGN_11M                 0x16
149 
150 #define MGN_6M                  0x0c
151 #define MGN_9M                  0x12
152 #define MGN_12M                 0x18
153 #define MGN_18M                 0x24
154 #define MGN_24M                 0x30
155 #define MGN_36M                 0x48
156 #define MGN_48M                 0x60
157 #define MGN_54M                 0x6c
158 
159 #define MGN_MCS0                0x80
160 #define MGN_MCS1                0x81
161 #define MGN_MCS2                0x82
162 #define MGN_MCS3                0x83
163 #define MGN_MCS4                0x84
164 #define MGN_MCS5                0x85
165 #define MGN_MCS6                0x86
166 #define MGN_MCS7                0x87
167 #define MGN_MCS8                0x88
168 #define MGN_MCS9                0x89
169 #define MGN_MCS10               0x8a
170 #define MGN_MCS11               0x8b
171 #define MGN_MCS12               0x8c
172 #define MGN_MCS13               0x8d
173 #define MGN_MCS14               0x8e
174 #define MGN_MCS15               0x8f
175 
176 #define aSifsTime ((priv->ieee80211->current_network.mode == IEEE_A || \
177 		    priv->ieee80211->current_network.mode == IEEE_N_24G || \
178 		    priv->ieee80211->current_network.mode == IEEE_N_5G) ? \
179 		   16 : 10)
180 
181 #define MGMT_QUEUE_NUM 5
182 
183 #define IEEE_CMD_SET_WPA_PARAM			1
184 #define	IEEE_CMD_SET_WPA_IE			2
185 #define IEEE_CMD_SET_ENCRYPTION			3
186 #define IEEE_CMD_MLME				4
187 
188 #define IEEE_PARAM_WPA_ENABLED			1
189 #define IEEE_PARAM_TKIP_COUNTERMEASURES		2
190 #define IEEE_PARAM_DROP_UNENCRYPTED		3
191 #define IEEE_PARAM_PRIVACY_INVOKED		4
192 #define IEEE_PARAM_AUTH_ALGS			5
193 #define IEEE_PARAM_IEEE_802_1X			6
194 //It should consistent with the driver_XXX.c
195 //   David, 2006.9.26
196 #define IEEE_PARAM_WPAX_SELECT			7
197 //Added for notify the encryption type selection
198 //   David, 2006.9.26
199 #define IEEE_PROTO_WPA				1
200 #define IEEE_PROTO_RSN				2
201 //Added for notify the encryption type selection
202 //   David, 2006.9.26
203 #define IEEE_WPAX_USEGROUP			0
204 #define IEEE_WPAX_WEP40				1
205 #define IEEE_WPAX_TKIP				2
206 #define IEEE_WPAX_WRAP				3
207 #define IEEE_WPAX_CCMP				4
208 #define IEEE_WPAX_WEP104			5
209 
210 #define IEEE_KEY_MGMT_IEEE8021X			1
211 #define IEEE_KEY_MGMT_PSK			2
212 
213 #define IEEE_MLME_STA_DEAUTH			1
214 #define IEEE_MLME_STA_DISASSOC			2
215 
216 
217 #define IEEE_CRYPT_ERR_UNKNOWN_ALG		2
218 #define IEEE_CRYPT_ERR_UNKNOWN_ADDR		3
219 #define IEEE_CRYPT_ERR_CRYPT_INIT_FAILED	4
220 #define IEEE_CRYPT_ERR_KEY_SET_FAILED		5
221 #define IEEE_CRYPT_ERR_TX_KEY_SET_FAILED	6
222 #define IEEE_CRYPT_ERR_CARD_CONF_FAILED		7
223 
224 
225 #define	IEEE_CRYPT_ALG_NAME_LEN			16
226 
227 #define MAX_IE_LEN  0xff
228 
229 // added for kernel conflict
230 #define ieee80211_crypt_deinit_entries	ieee80211_crypt_deinit_entries_rsl
231 #define ieee80211_crypt_deinit_handler	ieee80211_crypt_deinit_handler_rsl
232 #define ieee80211_crypt_delayed_deinit	ieee80211_crypt_delayed_deinit_rsl
233 #define ieee80211_register_crypto_ops	ieee80211_register_crypto_ops_rsl
234 #define ieee80211_unregister_crypto_ops ieee80211_unregister_crypto_ops_rsl
235 #define ieee80211_get_crypto_ops	ieee80211_get_crypto_ops_rsl
236 
237 #define ieee80211_ccmp_null		ieee80211_ccmp_null_rsl
238 
239 #define ieee80211_tkip_null		ieee80211_tkip_null_rsl
240 
241 #define free_ieee80211			free_ieee80211_rsl
242 #define alloc_ieee80211			alloc_ieee80211_rsl
243 
244 #define ieee80211_rx			ieee80211_rx_rsl
245 #define ieee80211_rx_mgt		ieee80211_rx_mgt_rsl
246 
247 #define ieee80211_get_beacon		ieee80211_get_beacon_rsl
248 #define ieee80211_wake_queue		ieee80211_wake_queue_rsl
249 #define ieee80211_stop_queue		ieee80211_stop_queue_rsl
250 #define ieee80211_reset_queue		ieee80211_reset_queue_rsl
251 #define ieee80211_softmac_stop_protocol	ieee80211_softmac_stop_protocol_rsl
252 #define ieee80211_softmac_start_protocol ieee80211_softmac_start_protocol_rsl
253 #define ieee80211_is_shortslot		ieee80211_is_shortslot_rsl
254 #define ieee80211_is_54g		ieee80211_is_54g_rsl
255 #define ieee80211_wpa_supplicant_ioctl	ieee80211_wpa_supplicant_ioctl_rsl
256 #define ieee80211_ps_tx_ack		ieee80211_ps_tx_ack_rsl
257 #define ieee80211_softmac_xmit		ieee80211_softmac_xmit_rsl
258 #define ieee80211_stop_send_beacons	ieee80211_stop_send_beacons_rsl
259 #define notify_wx_assoc_event		notify_wx_assoc_event_rsl
260 #define SendDisassociation		SendDisassociation_rsl
261 #define ieee80211_disassociate		ieee80211_disassociate_rsl
262 #define ieee80211_start_send_beacons	ieee80211_start_send_beacons_rsl
263 #define ieee80211_stop_scan		ieee80211_stop_scan_rsl
264 #define ieee80211_send_probe_requests	ieee80211_send_probe_requests_rsl
265 #define ieee80211_softmac_scan_syncro	ieee80211_softmac_scan_syncro_rsl
266 #define ieee80211_start_scan_syncro	ieee80211_start_scan_syncro_rsl
267 
268 #define ieee80211_wx_get_essid		ieee80211_wx_get_essid_rsl
269 #define ieee80211_wx_set_essid		ieee80211_wx_set_essid_rsl
270 #define ieee80211_wx_set_rate		ieee80211_wx_set_rate_rsl
271 #define ieee80211_wx_get_rate		ieee80211_wx_get_rate_rsl
272 #define ieee80211_wx_set_wap		ieee80211_wx_set_wap_rsl
273 #define ieee80211_wx_get_wap		ieee80211_wx_get_wap_rsl
274 #define ieee80211_wx_set_mode		ieee80211_wx_set_mode_rsl
275 #define ieee80211_wx_get_mode		ieee80211_wx_get_mode_rsl
276 #define ieee80211_wx_set_scan		ieee80211_wx_set_scan_rsl
277 #define ieee80211_wx_get_freq		ieee80211_wx_get_freq_rsl
278 #define ieee80211_wx_set_freq		ieee80211_wx_set_freq_rsl
279 #define ieee80211_wx_set_rawtx		ieee80211_wx_set_rawtx_rsl
280 #define ieee80211_wx_get_name		ieee80211_wx_get_name_rsl
281 #define ieee80211_wx_set_power		ieee80211_wx_set_power_rsl
282 #define ieee80211_wx_get_power		ieee80211_wx_get_power_rsl
283 #define ieee80211_wlan_frequencies	ieee80211_wlan_frequencies_rsl
284 #define ieee80211_wx_set_rts		ieee80211_wx_set_rts_rsl
285 #define ieee80211_wx_get_rts		ieee80211_wx_get_rts_rsl
286 
287 #define ieee80211_txb_free		ieee80211_txb_free_rsl
288 
289 #define ieee80211_wx_set_gen_ie		ieee80211_wx_set_gen_ie_rsl
290 #define ieee80211_wx_get_scan		ieee80211_wx_get_scan_rsl
291 #define ieee80211_wx_set_encode		ieee80211_wx_set_encode_rsl
292 #define ieee80211_wx_get_encode		ieee80211_wx_get_encode_rsl
293 #define ieee80211_wx_set_mlme		ieee80211_wx_set_mlme_rsl
294 #define ieee80211_wx_set_auth		ieee80211_wx_set_auth_rsl
295 #define ieee80211_wx_set_encode_ext	ieee80211_wx_set_encode_ext_rsl
296 #define ieee80211_wx_get_encode_ext	ieee80211_wx_get_encode_ext_rsl
297 
298 
299 typedef struct ieee_param {
300 	u32 cmd;
301 	u8 sta_addr[ETH_ALEN];
302 	union {
303 		struct {
304 			u8 name;
305 			u32 value;
306 		} wpa_param;
307 		struct {
308 			u32 len;
309 			u8 reserved[32];
310 			u8 data[0];
311 		} wpa_ie;
312 		struct{
313 			int command;
314 			int reason_code;
315 		} mlme;
316 		struct {
317 			u8 alg[IEEE_CRYPT_ALG_NAME_LEN];
318 			u8 set_tx;
319 			u32 err;
320 			u8 idx;
321 			u8 seq[8]; /* sequence counter (set: RX, get: TX) */
322 			u16 key_len;
323 			u8 key[0];
324 		} crypt;
325 	} u;
326 } ieee_param;
327 
328 
329 // linux under 2.6.9 release may not support it, so modify it for common use
330 #define IEEE80211_DATA_LEN		2304
331 /* Maximum size for the MA-UNITDATA primitive, 802.11 standard section
332  *   6.2.1.1.2.
333  *
334  *   The figure in section 7.1.2 suggests a body size of up to 2312
335  *   bytes is allowed, which is a bit confusing, I suspect this
336  *   represents the 2304 bytes of real data, plus a possible 8 bytes of
337  *   WEP IV and ICV. (this interpretation suggested by Ramiro Barreiro)
338  */
339 #define IEEE80211_1ADDR_LEN 10
340 #define IEEE80211_2ADDR_LEN 16
341 #define IEEE80211_3ADDR_LEN 24
342 #define IEEE80211_4ADDR_LEN 30
343 #define IEEE80211_FCS_LEN    4
344 #define IEEE80211_HLEN                  (IEEE80211_4ADDR_LEN)
345 #define IEEE80211_FRAME_LEN             (IEEE80211_DATA_LEN + IEEE80211_HLEN)
346 #define IEEE80211_MGMT_HDR_LEN 24
347 #define IEEE80211_DATA_HDR3_LEN 24
348 #define IEEE80211_DATA_HDR4_LEN 30
349 
350 #define MIN_FRAG_THRESHOLD     256U
351 #define MAX_FRAG_THRESHOLD     2346U
352 
353 
354 /* Frame control field constants */
355 #define IEEE80211_FCTL_VERS		0x0003
356 #define IEEE80211_FCTL_FTYPE		0x000c
357 #define IEEE80211_FCTL_STYPE		0x00f0
358 #define IEEE80211_FCTL_FRAMETYPE	0x00fc
359 #define IEEE80211_FCTL_TODS		0x0100
360 #define IEEE80211_FCTL_FROMDS		0x0200
361 #define IEEE80211_FCTL_DSTODS		0x0300 //added by david
362 #define IEEE80211_FCTL_MOREFRAGS	0x0400
363 #define IEEE80211_FCTL_RETRY		0x0800
364 #define IEEE80211_FCTL_PM		0x1000
365 #define IEEE80211_FCTL_MOREDATA		0x2000
366 #define IEEE80211_FCTL_WEP		0x4000
367 #define IEEE80211_FCTL_ORDER		0x8000
368 
369 #define IEEE80211_FTYPE_MGMT		0x0000
370 #define IEEE80211_FTYPE_CTL		0x0004
371 #define IEEE80211_FTYPE_DATA		0x0008
372 
373 /* management */
374 #define IEEE80211_STYPE_ASSOC_REQ	0x0000
375 #define IEEE80211_STYPE_ASSOC_RESP	0x0010
376 #define IEEE80211_STYPE_REASSOC_REQ	0x0020
377 #define IEEE80211_STYPE_REASSOC_RESP	0x0030
378 #define IEEE80211_STYPE_PROBE_REQ	0x0040
379 #define IEEE80211_STYPE_PROBE_RESP	0x0050
380 #define IEEE80211_STYPE_BEACON		0x0080
381 #define IEEE80211_STYPE_ATIM		0x0090
382 #define IEEE80211_STYPE_DISASSOC	0x00A0
383 #define IEEE80211_STYPE_AUTH		0x00B0
384 #define IEEE80211_STYPE_DEAUTH		0x00C0
385 #define IEEE80211_STYPE_MANAGE_ACT	0x00D0
386 
387 /* control */
388 #define IEEE80211_STYPE_PSPOLL		0x00A0
389 #define IEEE80211_STYPE_RTS		0x00B0
390 #define IEEE80211_STYPE_CTS		0x00C0
391 #define IEEE80211_STYPE_ACK		0x00D0
392 #define IEEE80211_STYPE_CFEND		0x00E0
393 #define IEEE80211_STYPE_CFENDACK	0x00F0
394 #define IEEE80211_STYPE_BLOCKACK   0x0094
395 
396 /* data */
397 #define IEEE80211_STYPE_DATA		0x0000
398 #define IEEE80211_STYPE_DATA_CFACK	0x0010
399 #define IEEE80211_STYPE_DATA_CFPOLL	0x0020
400 #define IEEE80211_STYPE_DATA_CFACKPOLL	0x0030
401 #define IEEE80211_STYPE_NULLFUNC	0x0040
402 #define IEEE80211_STYPE_CFACK		0x0050
403 #define IEEE80211_STYPE_CFPOLL		0x0060
404 #define IEEE80211_STYPE_CFACKPOLL	0x0070
405 #define IEEE80211_STYPE_QOS_DATA	0x0080 //added for WMM 2006/8/2
406 #define IEEE80211_STYPE_QOS_NULL	0x00C0
407 
408 #define IEEE80211_SCTL_FRAG		0x000F
409 #define IEEE80211_SCTL_SEQ		0xFFF0
410 
411 /* QOS control */
412 #define IEEE80211_QCTL_TID              0x000F
413 
414 #define	FC_QOS_BIT					BIT(7)
415 #define IsDataFrame(pdu)			(((pdu[0] & 0x0C) == 0x08) ? true : false)
416 #define	IsLegacyDataFrame(pdu)	(IsDataFrame(pdu) && (!(pdu[0] & FC_QOS_BIT)))
417 //added by wb. Is this right?
418 #define IsQoSDataFrame(pframe)  ((*(u16 *)pframe & (IEEE80211_STYPE_QOS_DATA | IEEE80211_FTYPE_DATA)) == (IEEE80211_STYPE_QOS_DATA | IEEE80211_FTYPE_DATA))
419 #define Frame_Order(pframe)     (*(u16 *)pframe & IEEE80211_FCTL_ORDER)
420 #define SN_LESS(a, b)		(((a - b) & 0x800) != 0)
421 #define SN_EQUAL(a, b)	(a == b)
422 #define MAX_DEV_ADDR_SIZE 8
423 typedef enum _ACT_CATEGORY {
424 	ACT_CAT_QOS = 1,
425 	ACT_CAT_DLS = 2,
426 	ACT_CAT_BA  = 3,
427 	ACT_CAT_HT  = 7,
428 	ACT_CAT_WMM = 17,
429 } ACT_CATEGORY, *PACT_CATEGORY;
430 
431 typedef enum _TS_ACTION {
432 	ACT_ADDTSREQ = 0,
433 	ACT_ADDTSRSP = 1,
434 	ACT_DELTS    = 2,
435 	ACT_SCHEDULE = 3,
436 } TS_ACTION, *PTS_ACTION;
437 
438 typedef enum _BA_ACTION {
439 	ACT_ADDBAREQ = 0,
440 	ACT_ADDBARSP = 1,
441 	ACT_DELBA    = 2,
442 } BA_ACTION, *PBA_ACTION;
443 
444 typedef enum _InitialGainOpType {
445 	IG_Backup = 0,
446 	IG_Restore,
447 	IG_Max
448 } InitialGainOpType;
449 
450 /* debug macros */
451 #define CONFIG_IEEE80211_DEBUG
452 #ifdef CONFIG_IEEE80211_DEBUG
453 extern u32 ieee80211_debug_level;
454 #define IEEE80211_DEBUG(level, fmt, args...) \
455 do { if (ieee80211_debug_level & (level)) \
456   printk(KERN_DEBUG "ieee80211: " fmt, ## args); } while (0)
457 //wb added to debug out data buf
458 //if you want print DATA buffer related BA, please set ieee80211_debug_level to DATA|BA
459 #define IEEE80211_DEBUG_DATA(level, data, datalen)	\
460 	do { if ((ieee80211_debug_level & (level)) == (level))	\
461 		{	\
462 			int i;					\
463 			u8 *pdata = (u8 *) data;			\
464 			printk(KERN_DEBUG "ieee80211: %s()\n", __func__);	\
465 			for (i = 0; i < (int)(datalen); i++)			\
466 			{						\
467 				printk("%2x ", pdata[i]);		\
468 				if ((i + 1) % 16 == 0) printk("\n");	\
469 			}				\
470 			printk("\n");			\
471 		}					\
472 	} while (0)
473 #else
474 #define IEEE80211_DEBUG (level, fmt, args...) do {} while (0)
475 #define IEEE80211_DEBUG_DATA (level, data, datalen) do {} while(0)
476 #endif	/* CONFIG_IEEE80211_DEBUG */
477 
478 /* debug macros not dependent on CONFIG_IEEE80211_DEBUG */
479 
480 /*
481  * To use the debug system;
482  *
483  * If you are defining a new debug classification, simply add it to the #define
484  * list here in the form of:
485  *
486  * #define IEEE80211_DL_xxxx VALUE
487  *
488  * shifting value to the left one bit from the previous entry.  xxxx should be
489  * the name of the classification (for example, WEP)
490  *
491  * You then need to either add a IEEE80211_xxxx_DEBUG() macro definition for your
492  * classification, or use IEEE80211_DEBUG(IEEE80211_DL_xxxx, ...) whenever you want
493  * to send output to that classification.
494  *
495  * To add your debug level to the list of levels seen when you perform
496  *
497  * % cat /proc/net/ipw/debug_level
498  *
499  * you simply need to add your entry to the ipw_debug_levels array.
500  *
501  * If you do not see debug_level in /proc/net/ipw then you do not have
502  * CONFIG_IEEE80211_DEBUG defined in your kernel configuration
503  *
504  */
505 
506 #define IEEE80211_DL_INFO          (1<<0)
507 #define IEEE80211_DL_WX            (1<<1)
508 #define IEEE80211_DL_SCAN          (1<<2)
509 #define IEEE80211_DL_STATE         (1<<3)
510 #define IEEE80211_DL_MGMT          (1<<4)
511 #define IEEE80211_DL_FRAG          (1<<5)
512 #define IEEE80211_DL_EAP           (1<<6)
513 #define IEEE80211_DL_DROP          (1<<7)
514 
515 #define IEEE80211_DL_TX            (1<<8)
516 #define IEEE80211_DL_RX            (1<<9)
517 
518 #define IEEE80211_DL_HT		   (1<<10)  //HT
519 #define IEEE80211_DL_BA		   (1<<11)  //ba
520 #define IEEE80211_DL_TS		   (1<<12)  //TS
521 #define IEEE80211_DL_QOS           (1<<13)
522 #define IEEE80211_DL_REORDER	   (1<<14)
523 #define IEEE80211_DL_IOT	   (1<<15)
524 #define IEEE80211_DL_IPS	   (1<<16)
525 #define IEEE80211_DL_TRACE	   (1<<29)  //trace function, need to user net_ratelimit() together in order not to print too much to the screen
526 #define IEEE80211_DL_DATA	   (1<<30)   //use this flag to control whether print data buf out.
527 #define IEEE80211_DL_ERR	   (1<<31)   //always open
528 #define IEEE80211_ERROR(f, a...) printk(KERN_ERR "ieee80211: " f, ## a)
529 #define IEEE80211_WARNING(f, a...) printk(KERN_WARNING "ieee80211: " f, ## a)
530 #define IEEE80211_DEBUG_INFO(f, a...)   IEEE80211_DEBUG(IEEE80211_DL_INFO, f, ## a)
531 
532 #define IEEE80211_DEBUG_WX(f, a...)     IEEE80211_DEBUG(IEEE80211_DL_WX, f, ## a)
533 #define IEEE80211_DEBUG_SCAN(f, a...)   IEEE80211_DEBUG(IEEE80211_DL_SCAN, f, ## a)
534 #define IEEE80211_DEBUG_STATE(f, a...)  IEEE80211_DEBUG(IEEE80211_DL_STATE, f, ## a)
535 #define IEEE80211_DEBUG_MGMT(f, a...)  IEEE80211_DEBUG(IEEE80211_DL_MGMT, f, ## a)
536 #define IEEE80211_DEBUG_FRAG(f, a...)  IEEE80211_DEBUG(IEEE80211_DL_FRAG, f, ## a)
537 #define IEEE80211_DEBUG_EAP(f, a...)  IEEE80211_DEBUG(IEEE80211_DL_EAP, f, ## a)
538 #define IEEE80211_DEBUG_DROP(f, a...)  IEEE80211_DEBUG(IEEE80211_DL_DROP, f, ## a)
539 #define IEEE80211_DEBUG_TX(f, a...)  IEEE80211_DEBUG(IEEE80211_DL_TX, f, ## a)
540 #define IEEE80211_DEBUG_RX(f, a...)  IEEE80211_DEBUG(IEEE80211_DL_RX, f, ## a)
541 #define IEEE80211_DEBUG_QOS(f, a...)  IEEE80211_DEBUG(IEEE80211_DL_QOS, f, ## a)
542 
543 #include <linux/if_arp.h> /* ARPHRD_ETHER */
544 
545 #ifndef WIRELESS_SPY
546 #define WIRELESS_SPY		// enable iwspy support
547 #endif
548 #include <net/iw_handler.h>	// new driver API
549 
550 #ifndef ETH_P_PAE
551 #define ETH_P_PAE 0x888E /* Port Access Entity (IEEE 802.1X) */
552 #endif /* ETH_P_PAE */
553 
554 #define ETH_P_PREAUTH 0x88C7 /* IEEE 802.11i pre-authentication */
555 
556 #ifndef ETH_P_80211_RAW
557 #define ETH_P_80211_RAW (ETH_P_ECONET + 1)
558 #endif
559 
560 /* IEEE 802.11 defines */
561 
562 #define P80211_OUI_LEN 3
563 
564 struct ieee80211_snap_hdr {
565 
566 	u8    dsap;   /* always 0xAA */
567 	u8    ssap;   /* always 0xAA */
568 	u8    ctrl;   /* always 0x03 */
569 	u8    oui[P80211_OUI_LEN];    /* organizational universal id */
570 
571 } __packed;
572 
573 #define SNAP_SIZE sizeof(struct ieee80211_snap_hdr)
574 
575 #define WLAN_FC_GET_VERS(fc) ((fc) & IEEE80211_FCTL_VERS)
576 #define WLAN_FC_GET_TYPE(fc) ((fc) & IEEE80211_FCTL_FTYPE)
577 #define WLAN_FC_GET_STYPE(fc) ((fc) & IEEE80211_FCTL_STYPE)
578 
579 #define WLAN_FC_GET_FRAMETYPE(fc) ((fc) & IEEE80211_FCTL_FRAMETYPE)
580 #define WLAN_GET_SEQ_FRAG(seq) ((seq) & IEEE80211_SCTL_FRAG)
581 #define WLAN_GET_SEQ_SEQ(seq)  (((seq) & IEEE80211_SCTL_SEQ) >> 4)
582 
583 #define WLAN_CAPABILITY_BSS (1<<0)
584 #define WLAN_CAPABILITY_IBSS (1<<1)
585 #define WLAN_CAPABILITY_CF_POLLABLE (1<<2)
586 #define WLAN_CAPABILITY_CF_POLL_REQUEST (1<<3)
587 #define WLAN_CAPABILITY_PRIVACY (1<<4)
588 #define WLAN_CAPABILITY_SHORT_PREAMBLE (1<<5)
589 #define WLAN_CAPABILITY_PBCC (1<<6)
590 #define WLAN_CAPABILITY_CHANNEL_AGILITY (1<<7)
591 #define WLAN_CAPABILITY_SPECTRUM_MGMT (1<<8)
592 #define WLAN_CAPABILITY_QOS (1<<9)
593 #define WLAN_CAPABILITY_SHORT_SLOT (1<<10)
594 #define WLAN_CAPABILITY_DSSS_OFDM (1<<13)
595 
596 /* 802.11g ERP information element */
597 #define WLAN_ERP_NON_ERP_PRESENT (1<<0)
598 #define WLAN_ERP_USE_PROTECTION (1<<1)
599 #define WLAN_ERP_BARKER_PREAMBLE (1<<2)
600 
601 #define IEEE80211_STATMASK_SIGNAL (1<<0)
602 #define IEEE80211_STATMASK_RSSI (1<<1)
603 #define IEEE80211_STATMASK_NOISE (1<<2)
604 #define IEEE80211_STATMASK_RATE (1<<3)
605 #define IEEE80211_STATMASK_WEMASK 0x7
606 
607 #define IEEE80211_CCK_MODULATION    (1<<0)
608 #define IEEE80211_OFDM_MODULATION   (1<<1)
609 
610 #define IEEE80211_24GHZ_BAND     (1<<0)
611 #define IEEE80211_52GHZ_BAND     (1<<1)
612 
613 #define IEEE80211_CCK_RATE_LEN			4
614 #define IEEE80211_CCK_RATE_1MB			0x02
615 #define IEEE80211_CCK_RATE_2MB			0x04
616 #define IEEE80211_CCK_RATE_5MB			0x0B
617 #define IEEE80211_CCK_RATE_11MB			0x16
618 #define IEEE80211_OFDM_RATE_LEN			8
619 #define IEEE80211_OFDM_RATE_6MB			0x0C
620 #define IEEE80211_OFDM_RATE_9MB			0x12
621 #define IEEE80211_OFDM_RATE_12MB		0x18
622 #define IEEE80211_OFDM_RATE_18MB		0x24
623 #define IEEE80211_OFDM_RATE_24MB		0x30
624 #define IEEE80211_OFDM_RATE_36MB		0x48
625 #define IEEE80211_OFDM_RATE_48MB		0x60
626 #define IEEE80211_OFDM_RATE_54MB		0x6C
627 #define IEEE80211_BASIC_RATE_MASK		0x80
628 
629 #define IEEE80211_CCK_RATE_1MB_MASK		(1<<0)
630 #define IEEE80211_CCK_RATE_2MB_MASK		(1<<1)
631 #define IEEE80211_CCK_RATE_5MB_MASK		(1<<2)
632 #define IEEE80211_CCK_RATE_11MB_MASK		(1<<3)
633 #define IEEE80211_OFDM_RATE_6MB_MASK		(1<<4)
634 #define IEEE80211_OFDM_RATE_9MB_MASK		(1<<5)
635 #define IEEE80211_OFDM_RATE_12MB_MASK		(1<<6)
636 #define IEEE80211_OFDM_RATE_18MB_MASK		(1<<7)
637 #define IEEE80211_OFDM_RATE_24MB_MASK		(1<<8)
638 #define IEEE80211_OFDM_RATE_36MB_MASK		(1<<9)
639 #define IEEE80211_OFDM_RATE_48MB_MASK		(1<<10)
640 #define IEEE80211_OFDM_RATE_54MB_MASK		(1<<11)
641 
642 #define IEEE80211_CCK_RATES_MASK		0x0000000F
643 #define IEEE80211_CCK_BASIC_RATES_MASK	(IEEE80211_CCK_RATE_1MB_MASK | \
644 	IEEE80211_CCK_RATE_2MB_MASK)
645 #define IEEE80211_CCK_DEFAULT_RATES_MASK	(IEEE80211_CCK_BASIC_RATES_MASK | \
646 	IEEE80211_CCK_RATE_5MB_MASK | \
647 	IEEE80211_CCK_RATE_11MB_MASK)
648 
649 #define IEEE80211_OFDM_RATES_MASK		0x00000FF0
650 #define IEEE80211_OFDM_BASIC_RATES_MASK	(IEEE80211_OFDM_RATE_6MB_MASK | \
651 	IEEE80211_OFDM_RATE_12MB_MASK | \
652 	IEEE80211_OFDM_RATE_24MB_MASK)
653 #define IEEE80211_OFDM_DEFAULT_RATES_MASK	(IEEE80211_OFDM_BASIC_RATES_MASK | \
654 	IEEE80211_OFDM_RATE_9MB_MASK  | \
655 	IEEE80211_OFDM_RATE_18MB_MASK | \
656 	IEEE80211_OFDM_RATE_36MB_MASK | \
657 	IEEE80211_OFDM_RATE_48MB_MASK | \
658 	IEEE80211_OFDM_RATE_54MB_MASK)
659 #define IEEE80211_DEFAULT_RATES_MASK (IEEE80211_OFDM_DEFAULT_RATES_MASK | \
660 				IEEE80211_CCK_DEFAULT_RATES_MASK)
661 
662 #define IEEE80211_NUM_OFDM_RATES	    8
663 #define IEEE80211_NUM_CCK_RATES		    4
664 #define IEEE80211_OFDM_SHIFT_MASK_A         4
665 
666 
667 /* this is stolen and modified from the madwifi driver*/
668 #define IEEE80211_FC0_TYPE_MASK		0x0c
669 #define IEEE80211_FC0_TYPE_DATA		0x08
670 #define IEEE80211_FC0_SUBTYPE_MASK	0xB0
671 #define IEEE80211_FC0_SUBTYPE_QOS	0x80
672 
673 #define IEEE80211_QOS_HAS_SEQ(fc) \
674 	(((fc) & (IEEE80211_FC0_TYPE_MASK | IEEE80211_FC0_SUBTYPE_MASK)) == \
675 	 (IEEE80211_FC0_TYPE_DATA | IEEE80211_FC0_SUBTYPE_QOS))
676 
677 /* this is stolen from ipw2200 driver */
678 #define IEEE_IBSS_MAC_HASH_SIZE 31
679 struct ieee_ibss_seq {
680 	u8 mac[ETH_ALEN];
681 	u16 seq_num[17];
682 	u16 frag_num[17];
683 	unsigned long packet_time[17];
684 	struct list_head list;
685 };
686 
687 /* NOTE: This data is for statistical purposes; not all hardware provides this
688  *       information for frames received.  Not setting these will not cause
689  *       any adverse affects.
690  */
691 struct ieee80211_rx_stats {
692 	u32 mac_time[2];
693 	s8 rssi;
694 	u8 signal;
695 	u8 noise;
696 	u16 rate; /* in 100 kbps */
697 	u8 received_channel;
698 	u8 control;
699 	u8 mask;
700 	u8 freq;
701 	u16 len;
702 	u64 tsf;
703 	u32 beacon_time;
704 	u8 nic_type;
705 	u16       Length;
706 	//      u8        DataRate;      // In 0.5 Mbps
707 	u8        SignalQuality; // in 0-100 index.
708 	s32       RecvSignalPower; // Real power in dBm for this packet, no beautification and aggregation.
709 	s8        RxPower; // in dBm Translate from PWdB
710 	u8        SignalStrength; // in 0-100 index.
711 	u16       bHwError:1;
712 	u16       bCRC:1;
713 	u16       bICV:1;
714 	u16       bShortPreamble:1;
715 	u16       Antenna:1;      //for rtl8185
716 	u16       Decrypted:1;    //for rtl8185, rtl8187
717 	u16       Wakeup:1;       //for rtl8185
718 	u16       Reserved0:1;    //for rtl8185
719 	u8        AGC;
720 	u32       TimeStampLow;
721 	u32       TimeStampHigh;
722 	bool      bShift;
723 	bool      bIsQosData;             // Added by Annie, 2005-12-22.
724 	u8        UserPriority;
725 
726 	//1!!!!!!!!!!!!!!!!!!!!!!!!!!!
727 	//1Attention Please!!!<11n or 8190 specific code should be put below this line>
728 	//1!!!!!!!!!!!!!!!!!!!!!!!!!!!
729 
730 	u8        RxDrvInfoSize;
731 	u8        RxBufShift;
732 	bool      bIsAMPDU;
733 	bool      bFirstMPDU;
734 	bool      bContainHTC;
735 	bool      RxIs40MHzPacket;
736 	u32       RxPWDBAll;
737 	u8        RxMIMOSignalStrength[4];        // in 0~100 index
738 	s8        RxMIMOSignalQuality[2];
739 	bool      bPacketMatchBSSID;
740 	bool      bIsCCK;
741 	bool      bPacketToSelf;
742 	//added by amy
743 	u8        *virtual_address;
744 	u16          packetlength;              // Total packet length: Must equal to sum of all FragLength
745 	u16          fraglength;                        // FragLength should equal to PacketLength in non-fragment case
746 	u16          fragoffset;                        // Data offset for this fragment
747 	u16          ntotalfrag;
748 	bool		  bisrxaggrsubframe;
749 	bool		  bPacketBeacon;	//cosa add for rssi
750 	bool		  bToSelfBA;		//cosa add for rssi
751 	s8		  cck_adc_pwdb[4];	//cosa add for rx path selection
752 	u16		  Seq_Num;
753 
754 };
755 
756 /* IEEE 802.11 requires that STA supports concurrent reception of at least
757  * three fragmented frames. This define can be increased to support more
758  * concurrent frames, but it should be noted that each entry can consume about
759  * 2 kB of RAM and increasing cache size will slow down frame reassembly.
760  */
761 #define IEEE80211_FRAG_CACHE_LEN 4
762 
763 struct ieee80211_frag_entry {
764 	unsigned long first_frag_time;
765 	unsigned int seq;
766 	unsigned int last_frag;
767 	struct sk_buff *skb;
768 	u8 src_addr[ETH_ALEN];
769 	u8 dst_addr[ETH_ALEN];
770 };
771 
772 struct ieee80211_stats {
773 	unsigned int tx_unicast_frames;
774 	unsigned int tx_multicast_frames;
775 	unsigned int tx_fragments;
776 	unsigned int tx_unicast_octets;
777 	unsigned int tx_multicast_octets;
778 	unsigned int tx_deferred_transmissions;
779 	unsigned int tx_single_retry_frames;
780 	unsigned int tx_multiple_retry_frames;
781 	unsigned int tx_retry_limit_exceeded;
782 	unsigned int tx_discards;
783 	unsigned int rx_unicast_frames;
784 	unsigned int rx_multicast_frames;
785 	unsigned int rx_fragments;
786 	unsigned int rx_unicast_octets;
787 	unsigned int rx_multicast_octets;
788 	unsigned int rx_fcs_errors;
789 	unsigned int rx_discards_no_buffer;
790 	unsigned int tx_discards_wrong_sa;
791 	unsigned int rx_discards_undecryptable;
792 	unsigned int rx_message_in_msg_fragments;
793 	unsigned int rx_message_in_bad_msg_fragments;
794 };
795 
796 struct ieee80211_device;
797 
798 #include "ieee80211_crypt.h"
799 
800 #define SEC_KEY_1         (1<<0)
801 #define SEC_KEY_2         (1<<1)
802 #define SEC_KEY_3         (1<<2)
803 #define SEC_KEY_4         (1<<3)
804 #define SEC_ACTIVE_KEY    (1<<4)
805 #define SEC_AUTH_MODE     (1<<5)
806 #define SEC_UNICAST_GROUP (1<<6)
807 #define SEC_LEVEL         (1<<7)
808 #define SEC_ENABLED       (1<<8)
809 #define SEC_ENCRYPT       (1<<9)
810 
811 #define SEC_LEVEL_0      0 /* None */
812 #define SEC_LEVEL_1      1 /* WEP 40 and 104 bit */
813 #define SEC_LEVEL_2      2 /* Level 1 + TKIP */
814 #define SEC_LEVEL_2_CKIP 3 /* Level 1 + CKIP */
815 #define SEC_LEVEL_3      4 /* Level 2 + CCMP */
816 
817 #define SEC_ALG_NONE            0
818 #define SEC_ALG_WEP             1
819 #define SEC_ALG_TKIP            2
820 #define SEC_ALG_CCMP            3
821 
822 #define WEP_KEYS		4
823 #define WEP_KEY_LEN		13
824 #define SCM_KEY_LEN             32
825 #define SCM_TEMPORAL_KEY_LENGTH 16
826 
827 struct ieee80211_security {
828 	u16 active_key:2,
829 	    enabled:1,
830 	    auth_algo:4,
831 	    unicast_uses_group:1,
832 	    encrypt:1;
833 	u8 auth_mode;
834 	u8 key_sizes[WEP_KEYS];
835 	u8 keys[WEP_KEYS][SCM_KEY_LEN];
836 	u8 level;
837 	u16 flags;
838 } __packed;
839 
840 
841 /*
842  *  802.11 data frame from AP
843  *       ,-------------------------------------------------------------------.
844  * Bytes |  2   |  2   |    6    |    6    |    6    |  2   | 0..2312 |   4  |
845  *       |------|------|---------|---------|---------|------|---------|------|
846  * Desc. | ctrl | dura |  DA/RA  |   TA    |    SA   | Sequ |  frame  |  fcs |
847  *       |      | tion | (BSSID) |         |         | ence |  data   |      |
848  *       `-------------------------------------------------------------------'
849  *  Total: 28-2340 bytes
850  */
851 
852 /* Management Frame Information Element Types */
853 enum ieee80211_mfie {
854 	MFIE_TYPE_SSID = 0,
855 	MFIE_TYPE_RATES = 1,
856 	MFIE_TYPE_FH_SET = 2,
857 	MFIE_TYPE_DS_SET = 3,
858 	MFIE_TYPE_CF_SET = 4,
859 	MFIE_TYPE_TIM = 5,
860 	MFIE_TYPE_IBSS_SET = 6,
861 	MFIE_TYPE_COUNTRY = 7,
862 	MFIE_TYPE_HOP_PARAMS = 8,
863 	MFIE_TYPE_HOP_TABLE = 9,
864 	MFIE_TYPE_REQUEST = 10,
865 	MFIE_TYPE_CHALLENGE = 16,
866 	MFIE_TYPE_POWER_CONSTRAINT = 32,
867 	MFIE_TYPE_POWER_CAPABILITY = 33,
868 	MFIE_TYPE_TPC_REQUEST = 34,
869 	MFIE_TYPE_TPC_REPORT = 35,
870 	MFIE_TYPE_SUPP_CHANNELS = 36,
871 	MFIE_TYPE_CSA = 37,
872 	MFIE_TYPE_MEASURE_REQUEST = 38,
873 	MFIE_TYPE_MEASURE_REPORT = 39,
874 	MFIE_TYPE_QUIET = 40,
875 	MFIE_TYPE_IBSS_DFS = 41,
876 	MFIE_TYPE_ERP = 42,
877 	MFIE_TYPE_RSN = 48,
878 	MFIE_TYPE_RATES_EX = 50,
879 	MFIE_TYPE_HT_CAP = 45,
880 	 MFIE_TYPE_HT_INFO = 61,
881 	 MFIE_TYPE_AIRONET = 133,
882 	MFIE_TYPE_GENERIC = 221,
883 	MFIE_TYPE_QOS_PARAMETER = 222,
884 };
885 
886 /* Minimal header; can be used for passing 802.11 frames with sufficient
887  * information to determine what type of underlying data type is actually
888  * stored in the data.
889  */
890 struct rtl_80211_hdr {
891 	__le16 frame_ctl;
892 	__le16 duration_id;
893 	u8 payload[0];
894 } __packed;
895 
896 struct rtl_80211_hdr_1addr {
897 	__le16 frame_ctl;
898 	__le16 duration_id;
899 	u8 addr1[ETH_ALEN];
900 	u8 payload[0];
901 } __packed;
902 
903 struct rtl_80211_hdr_2addr {
904 	__le16 frame_ctl;
905 	__le16 duration_id;
906 	u8 addr1[ETH_ALEN];
907 	u8 addr2[ETH_ALEN];
908 	u8 payload[0];
909 } __packed;
910 
911 struct rtl_80211_hdr_3addr {
912 	__le16 frame_ctl;
913 	__le16 duration_id;
914 	u8 addr1[ETH_ALEN];
915 	u8 addr2[ETH_ALEN];
916 	u8 addr3[ETH_ALEN];
917 	__le16 seq_ctl;
918 	u8 payload[0];
919 } __packed;
920 
921 struct rtl_80211_hdr_4addr {
922 	__le16 frame_ctl;
923 	__le16 duration_id;
924 	u8 addr1[ETH_ALEN];
925 	u8 addr2[ETH_ALEN];
926 	u8 addr3[ETH_ALEN];
927 	__le16 seq_ctl;
928 	u8 addr4[ETH_ALEN];
929 	u8 payload[0];
930 } __packed;
931 
932 struct rtl_80211_hdr_3addrqos {
933 	__le16 frame_ctl;
934 	__le16 duration_id;
935 	u8 addr1[ETH_ALEN];
936 	u8 addr2[ETH_ALEN];
937 	u8 addr3[ETH_ALEN];
938 	__le16 seq_ctl;
939 	u8 payload[0];
940 	__le16 qos_ctl;
941 } __packed;
942 
943 struct rtl_80211_hdr_4addrqos {
944 	__le16 frame_ctl;
945 	__le16 duration_id;
946 	u8 addr1[ETH_ALEN];
947 	u8 addr2[ETH_ALEN];
948 	u8 addr3[ETH_ALEN];
949 	__le16 seq_ctl;
950 	u8 addr4[ETH_ALEN];
951 	u8 payload[0];
952 	__le16 qos_ctl;
953 } __packed;
954 
955 struct ieee80211_info_element {
956 	u8 id;
957 	u8 len;
958 	u8 data[0];
959 } __packed;
960 
961 struct ieee80211_authentication {
962 	struct rtl_80211_hdr_3addr header;
963 	__le16 algorithm;
964 	__le16 transaction;
965 	__le16 status;
966 	/*challenge*/
967 	struct ieee80211_info_element info_element[0];
968 } __packed;
969 
970 struct ieee80211_disassoc {
971 	struct rtl_80211_hdr_3addr header;
972 	__le16 reason;
973 } __packed;
974 
975 struct ieee80211_probe_request {
976 	struct rtl_80211_hdr_3addr header;
977 	/* SSID, supported rates */
978 	struct ieee80211_info_element info_element[0];
979 } __packed;
980 
981 struct ieee80211_probe_response {
982 	struct rtl_80211_hdr_3addr header;
983 	__le32 time_stamp[2];
984 	__le16 beacon_interval;
985 	__le16 capability;
986 	/* SSID, supported rates, FH params, DS params,
987 	 * CF params, IBSS params, TIM (if beacon), RSN
988 	 */
989 	struct ieee80211_info_element info_element[0];
990 } __packed;
991 
992 /* Alias beacon for probe_response */
993 #define ieee80211_beacon ieee80211_probe_response
994 
995 struct ieee80211_assoc_request_frame {
996 	struct rtl_80211_hdr_3addr header;
997 	__le16 capability;
998 	__le16 listen_interval;
999 	/* SSID, supported rates, RSN */
1000 	struct ieee80211_info_element info_element[0];
1001 } __packed;
1002 
1003 struct ieee80211_reassoc_request_frame {
1004 	struct rtl_80211_hdr_3addr header;
1005 	__le16 capability;
1006 	__le16 listen_interval;
1007 	u8 current_ap[ETH_ALEN];
1008 	/* SSID, supported rates, RSN */
1009 	struct ieee80211_info_element info_element[0];
1010 } __packed;
1011 
1012 struct ieee80211_assoc_response_frame {
1013 	struct rtl_80211_hdr_3addr header;
1014 	__le16 capability;
1015 	__le16 status;
1016 	__le16 aid;
1017 	struct ieee80211_info_element info_element[0]; /* supported rates */
1018 } __packed;
1019 
1020 struct ieee80211_txb {
1021 	u8 nr_frags;
1022 	u8 encrypted;
1023 	u8 queue_index;
1024 	u8 rts_included;
1025 	u16 reserved;
1026 	__le16 frag_size;
1027 	__le16 payload_size;
1028 	struct sk_buff *fragments[0];
1029 };
1030 
1031 #define MAX_TX_AGG_COUNT		  16
1032 struct ieee80211_drv_agg_txb {
1033 	u8 nr_drv_agg_frames;
1034 	struct sk_buff *tx_agg_frames[MAX_TX_AGG_COUNT];
1035 } __packed;
1036 
1037 #define MAX_SUBFRAME_COUNT		  64
1038 struct ieee80211_rxb {
1039 	u8 nr_subframes;
1040 	struct sk_buff *subframes[MAX_SUBFRAME_COUNT];
1041 	u8 dst[ETH_ALEN];
1042 	u8 src[ETH_ALEN];
1043 } __packed;
1044 
1045 typedef union _frameqos {
1046 	u16 shortdata;
1047 	u8  chardata[2];
1048 	struct {
1049 		u16 tid:4;
1050 		u16 eosp:1;
1051 		u16 ack_policy:2;
1052 		u16 reserved:1;
1053 		u16 txop:8;
1054 	} field;
1055 } frameqos, *pframeqos;
1056 
1057 /* SWEEP TABLE ENTRIES NUMBER*/
1058 #define MAX_SWEEP_TAB_ENTRIES		  42
1059 #define MAX_SWEEP_TAB_ENTRIES_PER_PACKET  7
1060 /* MAX_RATES_LENGTH needs to be 12.  The spec says 8, and many APs
1061  * only use 8, and then use extended rates for the remaining supported
1062  * rates.  Other APs, however, stick all of their supported rates on the
1063  * main rates information element...
1064  */
1065 #define MAX_RATES_LENGTH                  ((u8)12)
1066 #define MAX_RATES_EX_LENGTH               ((u8)16)
1067 #define MAX_NETWORK_COUNT                  128
1068 
1069 #define MAX_CHANNEL_NUMBER                 161
1070 #define IEEE80211_SOFTMAC_SCAN_TIME	   100
1071 //(HZ / 2)
1072 #define IEEE80211_SOFTMAC_ASSOC_RETRY_TIME (HZ * 2)
1073 
1074 #define CRC_LENGTH                 4U
1075 
1076 #define MAX_WPA_IE_LEN 64
1077 
1078 #define NETWORK_EMPTY_ESSID (1<<0)
1079 #define NETWORK_HAS_OFDM    (1<<1)
1080 #define NETWORK_HAS_CCK     (1<<2)
1081 
1082 /* QoS structure */
1083 #define NETWORK_HAS_QOS_PARAMETERS      (1<<3)
1084 #define NETWORK_HAS_QOS_INFORMATION     (1<<4)
1085 #define NETWORK_HAS_QOS_MASK            (NETWORK_HAS_QOS_PARAMETERS | \
1086 					 NETWORK_HAS_QOS_INFORMATION)
1087 /* 802.11h */
1088 #define NETWORK_HAS_POWER_CONSTRAINT    (1<<5)
1089 #define NETWORK_HAS_CSA                 (1<<6)
1090 #define NETWORK_HAS_QUIET               (1<<7)
1091 #define NETWORK_HAS_IBSS_DFS            (1<<8)
1092 #define NETWORK_HAS_TPC_REPORT          (1<<9)
1093 
1094 #define NETWORK_HAS_ERP_VALUE           (1<<10)
1095 
1096 #define QOS_QUEUE_NUM                   4
1097 #define QOS_OUI_LEN                     3
1098 #define QOS_OUI_TYPE                    2
1099 #define QOS_ELEMENT_ID                  221
1100 #define QOS_OUI_INFO_SUB_TYPE           0
1101 #define QOS_OUI_PARAM_SUB_TYPE          1
1102 #define QOS_VERSION_1                   1
1103 #define QOS_AIFSN_MIN_VALUE             2
1104 struct ieee80211_qos_information_element {
1105 	u8 elementID;
1106 	u8 length;
1107 	u8 qui[QOS_OUI_LEN];
1108 	u8 qui_type;
1109 	u8 qui_subtype;
1110 	u8 version;
1111 	u8 ac_info;
1112 } __packed;
1113 
1114 struct ieee80211_qos_ac_parameter {
1115 	u8 aci_aifsn;
1116 	u8 ecw_min_max;
1117 	__le16 tx_op_limit;
1118 } __packed;
1119 
1120 struct ieee80211_qos_parameter_info {
1121 	struct ieee80211_qos_information_element info_element;
1122 	u8 reserved;
1123 	struct ieee80211_qos_ac_parameter ac_params_record[QOS_QUEUE_NUM];
1124 } __packed;
1125 
1126 struct ieee80211_qos_parameters {
1127 	__le16 cw_min[QOS_QUEUE_NUM];
1128 	__le16 cw_max[QOS_QUEUE_NUM];
1129 	u8 aifs[QOS_QUEUE_NUM];
1130 	u8 flag[QOS_QUEUE_NUM];
1131 	__le16 tx_op_limit[QOS_QUEUE_NUM];
1132 } __packed;
1133 
1134 struct ieee80211_qos_data {
1135 	struct ieee80211_qos_parameters parameters;
1136 	int active;
1137 	int supported;
1138 	u8 param_count;
1139 	u8 old_param_count;
1140 };
1141 
1142 struct ieee80211_tim_parameters {
1143 	u8 tim_count;
1144 	u8 tim_period;
1145 } __packed;
1146 
1147 //#else
1148 struct ieee80211_wmm_ts_info {
1149 	u8 ac_dir_tid;
1150 	u8 ac_up_psb;
1151 	u8 reserved;
1152 } __packed;
1153 
1154 struct ieee80211_wmm_tspec_elem {
1155 	struct ieee80211_wmm_ts_info ts_info;
1156 	u16 norm_msdu_size;
1157 	u16 max_msdu_size;
1158 	u32 min_serv_inter;
1159 	u32 max_serv_inter;
1160 	u32 inact_inter;
1161 	u32 suspen_inter;
1162 	u32 serv_start_time;
1163 	u32 min_data_rate;
1164 	u32 mean_data_rate;
1165 	u32 peak_data_rate;
1166 	u32 max_burst_size;
1167 	u32 delay_bound;
1168 	u32 min_phy_rate;
1169 	u16 surp_band_allow;
1170 	u16 medium_time;
1171 } __packed;
1172 enum eap_type {
1173 	EAP_PACKET = 0,
1174 	EAPOL_START,
1175 	EAPOL_LOGOFF,
1176 	EAPOL_KEY,
1177 	EAPOL_ENCAP_ASF_ALERT
1178 };
1179 
1180 static const char *eap_types[] = {
1181 	[EAP_PACKET]		= "EAP-Packet",
1182 	[EAPOL_START]		= "EAPOL-Start",
1183 	[EAPOL_LOGOFF]		= "EAPOL-Logoff",
1184 	[EAPOL_KEY]		= "EAPOL-Key",
1185 	[EAPOL_ENCAP_ASF_ALERT]	= "EAPOL-Encap-ASF-Alert"
1186 };
1187 
eap_get_type(int type)1188 static inline const char *eap_get_type(int type)
1189 {
1190 	return ((u32)type >= ARRAY_SIZE(eap_types)) ? "Unknown" : eap_types[type];
1191 }
1192 //added by amy for reorder
Frame_QoSTID(u8 * buf)1193 static inline u8 Frame_QoSTID(u8 *buf)
1194 {
1195 	struct rtl_80211_hdr_3addr *hdr;
1196 	u16 fc;
1197 	hdr = (struct rtl_80211_hdr_3addr *)buf;
1198 	fc = le16_to_cpu(hdr->frame_ctl);
1199 	return (u8)((frameqos *)(buf + (((fc & IEEE80211_FCTL_TODS) && (fc & IEEE80211_FCTL_FROMDS)) ? 30 : 24)))->field.tid;
1200 }
1201 
1202 //added by amy for reorder
1203 
1204 struct eapol {
1205 	u8 snap[6];
1206 	u16 ethertype;
1207 	u8 version;
1208 	u8 type;
1209 	u16 length;
1210 } __packed;
1211 
1212 struct ieee80211_softmac_stats {
1213 	unsigned int rx_ass_ok;
1214 	unsigned int rx_ass_err;
1215 	unsigned int rx_probe_rq;
1216 	unsigned int tx_probe_rs;
1217 	unsigned int tx_beacons;
1218 	unsigned int rx_auth_rq;
1219 	unsigned int rx_auth_rs_ok;
1220 	unsigned int rx_auth_rs_err;
1221 	unsigned int tx_auth_rq;
1222 	unsigned int no_auth_rs;
1223 	unsigned int no_ass_rs;
1224 	unsigned int tx_ass_rq;
1225 	unsigned int rx_ass_rq;
1226 	unsigned int tx_probe_rq;
1227 	unsigned int reassoc;
1228 	unsigned int swtxstop;
1229 	unsigned int swtxawake;
1230 	unsigned char CurrentShowTxate;
1231 	unsigned char last_packet_rate;
1232 	unsigned int txretrycount;
1233 };
1234 
1235 #define BEACON_PROBE_SSID_ID_POSITION 12
1236 
1237 struct ieee80211_info_element_hdr {
1238 	u8 id;
1239 	u8 len;
1240 } __packed;
1241 
1242 /*
1243  * These are the data types that can make up management packets
1244  *
1245 	u16 auth_algorithm;
1246 	u16 auth_sequence;
1247 	u16 beacon_interval;
1248 	u16 capability;
1249 	u8 current_ap[ETH_ALEN];
1250 	u16 listen_interval;
1251 	struct {
1252 		u16 association_id:14, reserved:2;
1253 	} __packed;
1254 	u32 time_stamp[2];
1255 	u16 reason;
1256 	u16 status;
1257 */
1258 
1259 #define IEEE80211_DEFAULT_TX_ESSID "Penguin"
1260 #define IEEE80211_DEFAULT_BASIC_RATE 2 //1Mbps
1261 
1262 enum {WMM_all_frame, WMM_two_frame, WMM_four_frame, WMM_six_frame};
1263 #define MAX_SP_Len  (WMM_all_frame << 4)
1264 #define IEEE80211_QOS_TID 0x0f
1265 #define QOS_CTL_NOTCONTAIN_ACK (0x01 << 5)
1266 
1267 #define IEEE80211_DTIM_MBCAST 4
1268 #define IEEE80211_DTIM_UCAST 2
1269 #define IEEE80211_DTIM_VALID 1
1270 #define IEEE80211_DTIM_INVALID 0
1271 
1272 #define IEEE80211_PS_DISABLED 0
1273 #define IEEE80211_PS_UNICAST IEEE80211_DTIM_UCAST
1274 #define IEEE80211_PS_MBCAST IEEE80211_DTIM_MBCAST
1275 
1276 //added by David for QoS 2006/6/30
1277 //#define WMM_Hang_8187
1278 #ifdef WMM_Hang_8187
1279 #undef WMM_Hang_8187
1280 #endif
1281 
1282 #define WME_AC_BK   0x00
1283 #define WME_AC_BE   0x01
1284 #define WME_AC_VI   0x02
1285 #define WME_AC_VO   0x03
1286 #define WME_ACI_MASK 0x03
1287 #define WME_AIFSN_MASK 0x03
1288 #define WME_AC_PRAM_LEN 16
1289 
1290 #define MAX_RECEIVE_BUFFER_SIZE 9100
1291 
1292 //UP Mapping to AC, using in MgntQuery_SequenceNumber() and maybe for DSCP
1293 //#define UP2AC(up)	((up<3) ? ((up==0)?1:0) : (up>>1))
1294 #define UP2AC(up) (		   \
1295 	((up) < 1) ? WME_AC_BE : \
1296 	((up) < 3) ? WME_AC_BK : \
1297 	((up) < 4) ? WME_AC_BE : \
1298 	((up) < 6) ? WME_AC_VI : \
1299 	WME_AC_VO)
1300 //AC Mapping to UP, using in Tx part for selecting the corresponding TX queue
1301 #define AC2UP(_ac)	(       \
1302 	((_ac) == WME_AC_VO) ? 6 : \
1303 	((_ac) == WME_AC_VI) ? 5 : \
1304 	((_ac) == WME_AC_BK) ? 1 : \
1305 	0)
1306 
1307 #define	ETHER_ADDR_LEN		6	/* length of an Ethernet address */
1308 #define ETHERNET_HEADER_SIZE    14      /* length of two Ethernet address plus ether type*/
1309 
1310 struct	ether_header {
1311 	u8 ether_dhost[ETHER_ADDR_LEN];
1312 	u8 ether_shost[ETHER_ADDR_LEN];
1313 	u16 ether_type;
1314 } __packed;
1315 
1316 #ifndef ETHERTYPE_PAE
1317 #define	ETHERTYPE_PAE	0x888e		/* EAPOL PAE/802.1x */
1318 #endif
1319 #ifndef ETHERTYPE_IP
1320 #define	ETHERTYPE_IP	0x0800		/* IP protocol */
1321 #endif
1322 
1323 typedef enum _erp_t {
1324 	ERP_NonERPpresent	= 0x01,
1325 	ERP_UseProtection	= 0x02,
1326 	ERP_BarkerPreambleMode = 0x04,
1327 } erp_t;
1328 
1329 
1330 struct ieee80211_network {
1331 	/* These entries are used to identify a unique network */
1332 	u8 bssid[ETH_ALEN];
1333 	u8 channel;
1334 	/* Ensure null-terminated for any debug msgs */
1335 	u8 ssid[IW_ESSID_MAX_SIZE + 1];
1336 	u8 ssid_len;
1337 	struct ieee80211_qos_data qos_data;
1338 
1339 	//added by amy for LEAP
1340 	bool	bWithAironetIE;
1341 	bool	bCkipSupported;
1342 	bool	bCcxRmEnable;
1343 	u16	CcxRmState[2];
1344 	// CCXv4 S59, MBSSID.
1345 	bool	bMBssidValid;
1346 	u8	MBssidMask;
1347 	u8	MBssid[6];
1348 	// CCX 2 S38, WLAN Device Version Number element. Annie, 2006-08-20.
1349 	bool	bWithCcxVerNum;
1350 	u8	BssCcxVerNumber;
1351 	/* These are network statistics */
1352 	struct ieee80211_rx_stats stats;
1353 	u16 capability;
1354 	u8  rates[MAX_RATES_LENGTH];
1355 	u8  rates_len;
1356 	u8  rates_ex[MAX_RATES_EX_LENGTH];
1357 	u8  rates_ex_len;
1358 	unsigned long last_scanned;
1359 	u8  mode;
1360 	u32 flags;
1361 	u32 last_associate;
1362 	u32 time_stamp[2];
1363 	u16 beacon_interval;
1364 	u16 listen_interval;
1365 	u16 atim_window;
1366 	u8  erp_value;
1367 	u8  wpa_ie[MAX_WPA_IE_LEN];
1368 	size_t wpa_ie_len;
1369 	u8  rsn_ie[MAX_WPA_IE_LEN];
1370 	size_t rsn_ie_len;
1371 
1372 	struct ieee80211_tim_parameters tim;
1373 	u8  dtim_period;
1374 	u8  dtim_data;
1375 	u32 last_dtim_sta_time[2];
1376 
1377 	//appeded for QoS
1378 	u8 wmm_info;
1379 	struct ieee80211_wmm_ac_param wmm_param[4];
1380 	u8 QoS_Enable;
1381 #ifdef THOMAS_TURBO
1382 	u8 Turbo_Enable;//enable turbo mode, added by thomas
1383 #endif
1384 	u16 CountryIeLen;
1385 	u8 CountryIeBuf[MAX_IE_LEN];
1386 	// HT Related, by amy, 2008.04.29
1387 	BSS_HT	bssht;
1388 	// Add to handle broadcom AP management frame CCK rate.
1389 	bool broadcom_cap_exist;
1390 	bool ralink_cap_exist;
1391 	bool atheros_cap_exist;
1392 	bool cisco_cap_exist;
1393 	bool unknown_cap_exist;
1394 //	u8	berp_info;
1395 	bool	berp_info_valid;
1396 	bool buseprotection;
1397 	//put at the end of the structure.
1398 	struct list_head list;
1399 };
1400 
1401 enum ieee80211_state {
1402 
1403 	/* the card is not linked at all */
1404 	IEEE80211_NOLINK = 0,
1405 
1406 	/* IEEE80211_ASSOCIATING* are for BSS client mode
1407 	 * the driver shall not perform RX filtering unless
1408 	 * the state is LINKED.
1409 	 * The driver shall just check for the state LINKED and
1410 	 * defaults to NOLINK for ALL the other states (including
1411 	 * LINKED_SCANNING)
1412 	 */
1413 
1414 	/* the association procedure will start (wq scheduling)*/
1415 	IEEE80211_ASSOCIATING,
1416 	IEEE80211_ASSOCIATING_RETRY,
1417 
1418 	/* the association procedure is sending AUTH request*/
1419 	IEEE80211_ASSOCIATING_AUTHENTICATING,
1420 
1421 	/* the association procedure has successfully authentcated
1422 	 * and is sending association request
1423 	 */
1424 	IEEE80211_ASSOCIATING_AUTHENTICATED,
1425 
1426 	/* the link is ok. the card associated to a BSS or linked
1427 	 * to a ibss cell or acting as an AP and creating the bss
1428 	 */
1429 	IEEE80211_LINKED,
1430 
1431 	/* same as LINKED, but the driver shall apply RX filter
1432 	 * rules as we are in NO_LINK mode. As the card is still
1433 	 * logically linked, but it is doing a syncro site survey
1434 	 * then it will be back to LINKED state.
1435 	 */
1436 	IEEE80211_LINKED_SCANNING,
1437 
1438 };
1439 
1440 #define DEFAULT_MAX_SCAN_AGE (15 * HZ)
1441 #define DEFAULT_FTS 2346
1442 
1443 #define CFG_IEEE80211_RESERVE_FCS (1<<0)
1444 #define CFG_IEEE80211_COMPUTE_FCS (1<<1)
1445 #define CFG_IEEE80211_RTS (1<<2)
1446 
1447 #define IEEE80211_24GHZ_MIN_CHANNEL 1
1448 #define IEEE80211_24GHZ_MAX_CHANNEL 14
1449 #define IEEE80211_24GHZ_CHANNELS (IEEE80211_24GHZ_MAX_CHANNEL - \
1450 				  IEEE80211_24GHZ_MIN_CHANNEL + 1)
1451 
1452 #define IEEE80211_52GHZ_MIN_CHANNEL 34
1453 #define IEEE80211_52GHZ_MAX_CHANNEL 165
1454 #define IEEE80211_52GHZ_CHANNELS (IEEE80211_52GHZ_MAX_CHANNEL - \
1455 				  IEEE80211_52GHZ_MIN_CHANNEL + 1)
1456 
1457 
1458 
1459 struct tx_pending {
1460 	int frag;
1461 	struct ieee80211_txb *txb;
1462 };
1463 
1464 typedef struct _bandwidth_autoswitch {
1465 	long threshold_20Mhzto40Mhz;
1466 	long	threshold_40Mhzto20Mhz;
1467 	bool bforced_tx20Mhz;
1468 	bool bautoswitch_enable;
1469 } bandwidth_autoswitch, *pbandwidth_autoswitch;
1470 
1471 
1472 //added by amy for order
1473 
1474 #define REORDER_WIN_SIZE	128
1475 #define REORDER_ENTRY_NUM	128
1476 typedef struct _RX_REORDER_ENTRY {
1477 	struct list_head	List;
1478 	u16			SeqNum;
1479 	struct ieee80211_rxb *prxb;
1480 } RX_REORDER_ENTRY, *PRX_REORDER_ENTRY;
1481 //added by amy for order
1482 typedef enum _Fsync_State {
1483 	Default_Fsync,
1484 	HW_Fsync,
1485 	SW_Fsync
1486 } Fsync_State;
1487 
1488 // Power save mode configured.
1489 typedef	enum _RT_PS_MODE {
1490 	eActive,	// Active/Continuous access.
1491 	eMaxPs,		// Max power save mode.
1492 	eFastPs		// Fast power save mode.
1493 } RT_PS_MODE;
1494 
1495 typedef enum _IPS_CALLBACK_FUNCION {
1496 	IPS_CALLBACK_NONE = 0,
1497 	IPS_CALLBACK_MGNT_LINK_REQUEST = 1,
1498 	IPS_CALLBACK_JOIN_REQUEST = 2,
1499 } IPS_CALLBACK_FUNCION;
1500 
1501 typedef enum _RT_JOIN_ACTION {
1502 	RT_JOIN_INFRA   = 1,
1503 	RT_JOIN_IBSS  = 2,
1504 	RT_START_IBSS = 3,
1505 	RT_NO_ACTION  = 4,
1506 } RT_JOIN_ACTION;
1507 
1508 typedef struct _IbssParms {
1509 	u16   atimWin;
1510 } IbssParms, *PIbssParms;
1511 #define MAX_NUM_RATES	264 // Max num of support rates element: 8,  Max num of ext. support rate: 255. 061122, by rcnjko.
1512 
1513 // RF state.
1514 typedef	enum _RT_RF_POWER_STATE {
1515 	eRfOn,
1516 	eRfSleep,
1517 	eRfOff
1518 } RT_RF_POWER_STATE;
1519 
1520 typedef struct _RT_POWER_SAVE_CONTROL {
1521 
1522 	//
1523 	// Inactive Power Save(IPS) : Disable RF when disconnected
1524 	//
1525 	bool				bInactivePs;
1526 	bool				bIPSModeBackup;
1527 	bool				bSwRfProcessing;
1528 	RT_RF_POWER_STATE	eInactivePowerState;
1529 	struct work_struct	InactivePsWorkItem;
1530 	struct timer_list	InactivePsTimer;
1531 
1532 	// Return point for join action
1533 	IPS_CALLBACK_FUNCION	ReturnPoint;
1534 
1535 	// Recored Parameters for rescheduled JoinRequest
1536 	bool				bTmpBssDesc;
1537 	RT_JOIN_ACTION		tmpJoinAction;
1538 	struct ieee80211_network tmpBssDesc;
1539 
1540 	// Recored Parameters for rescheduled MgntLinkRequest
1541 	bool				bTmpScanOnly;
1542 	bool				bTmpActiveScan;
1543 	bool				bTmpFilterHiddenAP;
1544 	bool				bTmpUpdateParms;
1545 	u8					tmpSsidBuf[33];
1546 	struct octet_string			tmpSsid2Scan;
1547 	bool				bTmpSsid2Scan;
1548 	u8					tmpNetworkType;
1549 	u8					tmpChannelNumber;
1550 	u16					tmpBcnPeriod;
1551 	u8					tmpDtimPeriod;
1552 	u16					tmpmCap;
1553 	struct octet_string			tmpSuppRateSet;
1554 	u8					tmpSuppRateBuf[MAX_NUM_RATES];
1555 	bool				bTmpSuppRate;
1556 	IbssParms				tmpIbpm;
1557 	bool				bTmpIbpm;
1558 
1559 	//
1560 	// Leisre Poswer Save : Disable RF if connected but traffic is not busy
1561 	//
1562 	bool				bLeisurePs;
1563 
1564 } RT_POWER_SAVE_CONTROL, *PRT_POWER_SAVE_CONTROL;
1565 
1566 typedef u32 RT_RF_CHANGE_SOURCE;
1567 #define RF_CHANGE_BY_SW		BIT(31)
1568 #define RF_CHANGE_BY_HW		BIT(30)
1569 #define RF_CHANGE_BY_PS		BIT(29)
1570 #define RF_CHANGE_BY_IPS	BIT(28)
1571 #define RF_CHANGE_BY_INIT	0	// Do not change the RFOff reason. Defined by Bruce, 2008-01-17.
1572 
1573 typedef enum {
1574 	COUNTRY_CODE_FCC = 0,
1575 	COUNTRY_CODE_IC = 1,
1576 	COUNTRY_CODE_ETSI = 2,
1577 	COUNTRY_CODE_SPAIN = 3,
1578 	COUNTRY_CODE_FRANCE = 4,
1579 	COUNTRY_CODE_MKK = 5,
1580 	COUNTRY_CODE_MKK1 = 6,
1581 	COUNTRY_CODE_ISRAEL = 7,
1582 	COUNTRY_CODE_TELEC,
1583 	COUNTRY_CODE_MIC,
1584 	COUNTRY_CODE_GLOBAL_DOMAIN
1585 } country_code_type_t;
1586 
1587 #define RT_MAX_LD_SLOT_NUM	10
1588 typedef struct _RT_LINK_DETECT_T {
1589 
1590 	u32				NumRecvBcnInPeriod;
1591 	u32				NumRecvDataInPeriod;
1592 
1593 	u32				RxBcnNum[RT_MAX_LD_SLOT_NUM];	// number of Rx beacon / CheckForHang_period  to determine link status
1594 	u32				RxDataNum[RT_MAX_LD_SLOT_NUM];	// number of Rx data / CheckForHang_period  to determine link status
1595 	u16				SlotNum;	// number of CheckForHang period to determine link status
1596 	u16				SlotIndex;
1597 
1598 	u32				NumTxOkInPeriod;
1599 	u32				NumRxOkInPeriod;
1600 	bool				bBusyTraffic;
1601 } RT_LINK_DETECT_T, *PRT_LINK_DETECT_T;
1602 
1603 
1604 struct ieee80211_device {
1605 	struct net_device *dev;
1606 	struct ieee80211_security sec;
1607 
1608 	//hw security related
1609 //	u8 hwsec_support; //support?
1610 	u8 hwsec_active;  //hw security active.
1611 	bool is_silent_reset;
1612 	bool ieee_up;
1613 	//added by amy
1614 	bool bSupportRemoteWakeUp;
1615 	RT_PS_MODE	dot11PowerSaveMode; // Power save mode configured.
1616 	bool actscanning;
1617 	bool beinretry;
1618 	RT_RF_POWER_STATE		eRFPowerState;
1619 	RT_RF_CHANGE_SOURCE	RfOffReason;
1620 	bool is_set_key;
1621 	//11n spec related I wonder if These info structure need to be moved out of ieee80211_device
1622 
1623 	//11n HT below
1624 	PRT_HIGH_THROUGHPUT	pHTInfo;
1625 	//struct timer_list		SwBwTimer;
1626 //	spinlock_t chnlop_spinlock;
1627 	spinlock_t bw_spinlock;
1628 
1629 	spinlock_t reorder_spinlock;
1630 	// for HT operation rate set.  we use this one for HT data rate to separate different descriptors
1631 	//the way fill this is the same as in the IE
1632 	u8	Regdot11HTOperationalRateSet[16];		//use RATR format
1633 	u8	dot11HTOperationalRateSet[16];		//use RATR format
1634 	u8	RegHTSuppRateSet[16];
1635 	u8				HTCurrentOperaRate;
1636 	u8				HTHighestOperaRate;
1637 	//wb added for rate operation mode to firmware
1638 	u8	bTxDisableRateFallBack;
1639 	u8	bTxUseDriverAssingedRate;
1640 	atomic_t	atm_chnlop;
1641 	atomic_t	atm_swbw;
1642 //	u8	HTHighestOperaRate;
1643 //	u8	HTCurrentOperaRate;
1644 
1645 	// 802.11e and WMM Traffic Stream Info (TX)
1646 	struct list_head		Tx_TS_Admit_List;
1647 	struct list_head		Tx_TS_Pending_List;
1648 	struct list_head		Tx_TS_Unused_List;
1649 	struct tx_ts_record		TxTsRecord[TOTAL_TS_NUM];
1650 	// 802.11e and WMM Traffic Stream Info (RX)
1651 	struct list_head		Rx_TS_Admit_List;
1652 	struct list_head		Rx_TS_Pending_List;
1653 	struct list_head		Rx_TS_Unused_List;
1654 	struct rx_ts_record		RxTsRecord[TOTAL_TS_NUM];
1655 //#ifdef TO_DO_LIST
1656 	RX_REORDER_ENTRY	RxReorderEntry[128];
1657 	struct list_head		RxReorder_Unused_List;
1658 //#endif
1659 	// Qos related. Added by Annie, 2005-11-01.
1660 //	PSTA_QOS			pStaQos;
1661 	u8				ForcedPriority;		// Force per-packet priority 1~7. (default: 0, not to force it.)
1662 
1663 
1664 	/* Bookkeeping structures */
1665 	struct net_device_stats stats;
1666 	struct ieee80211_stats ieee_stats;
1667 	struct ieee80211_softmac_stats softmac_stats;
1668 
1669 	/* Probe / Beacon management */
1670 	struct list_head network_free_list;
1671 	struct list_head network_list;
1672 	struct ieee80211_network *networks;
1673 	int scans;
1674 	int scan_age;
1675 
1676 	int iw_mode; /* operating mode (IW_MODE_*) */
1677 	struct iw_spy_data spy_data;
1678 
1679 	spinlock_t lock;
1680 	spinlock_t wpax_suitlist_lock;
1681 
1682 	int tx_headroom; /* Set to size of any additional room needed at front
1683 			  * of allocated Tx SKBs
1684 			  */
1685 	u32 config;
1686 
1687 	/* WEP and other encryption related settings at the device level */
1688 	int open_wep; /* Set to 1 to allow unencrypted frames */
1689 	int auth_mode;
1690 	int reset_on_keychange; /* Set to 1 if the HW needs to be reset on
1691 				 * WEP key changes
1692 				 */
1693 
1694 	/* If the host performs {en,de}cryption, then set to 1 */
1695 	int host_encrypt;
1696 	int host_encrypt_msdu;
1697 	int host_decrypt;
1698 	/* host performs multicast decryption */
1699 	int host_mc_decrypt;
1700 
1701 	/* host should strip IV and ICV from protected frames */
1702 	/* meaningful only when hardware decryption is being used */
1703 	int host_strip_iv_icv;
1704 
1705 	int host_open_frag;
1706 	int host_build_iv;
1707 	int ieee802_1x; /* is IEEE 802.1X used */
1708 
1709 	/* WPA data */
1710 	bool bHalfWirelessN24GMode;
1711 	int wpa_enabled;
1712 	int drop_unencrypted;
1713 	int tkip_countermeasures;
1714 	int privacy_invoked;
1715 	size_t wpa_ie_len;
1716 	u8 *wpa_ie;
1717 	u8 ap_mac_addr[6];
1718 	u16 pairwise_key_type;
1719 	u16 group_key_type;
1720 	struct list_head crypt_deinit_list;
1721 	struct ieee80211_crypt_data *crypt[WEP_KEYS];
1722 	int tx_keyidx; /* default TX key index (crypt[tx_keyidx]) */
1723 	struct timer_list crypt_deinit_timer;
1724 	int crypt_quiesced;
1725 
1726 	int bcrx_sta_key; /* use individual keys to override default keys even
1727 			   * with RX of broad/multicast frames
1728 			   */
1729 
1730 	/* Fragmentation structures */
1731 	// each streaming contain a entry
1732 	struct ieee80211_frag_entry frag_cache[17][IEEE80211_FRAG_CACHE_LEN];
1733 	unsigned int frag_next_idx[17];
1734 	u16 fts; /* Fragmentation Threshold */
1735 #define DEFAULT_RTS_THRESHOLD 2346U
1736 #define MIN_RTS_THRESHOLD 1
1737 #define MAX_RTS_THRESHOLD 2346U
1738 	u16 rts; /* RTS threshold */
1739 
1740 	/* Association info */
1741 	u8 bssid[ETH_ALEN];
1742 
1743 	/* This stores infos for the current network.
1744 	 * Either the network we are associated in INFRASTRUCTURE
1745 	 * or the network that we are creating in MASTER mode.
1746 	 * ad-hoc is a mixture ;-).
1747 	 * Note that in infrastructure mode, even when not associated,
1748 	 * fields bssid and essid may be valid (if wpa_set and essid_set
1749 	 * are true) as thy carry the value set by the user via iwconfig
1750 	 */
1751 	struct ieee80211_network current_network;
1752 
1753 	enum ieee80211_state state;
1754 
1755 	int short_slot;
1756 	int reg_mode;
1757 	int mode;       /* A, B, G */
1758 	int modulation; /* CCK, OFDM */
1759 	int freq_band;  /* 2.4Ghz, 5.2Ghz, Mixed */
1760 	int abg_true;   /* ABG flag              */
1761 
1762 	/* used for forcing the ibss workqueue to terminate
1763 	 * without wait for the syncro scan to terminate
1764 	 */
1765 	short sync_scan_hurryup;
1766 
1767 	int perfect_rssi;
1768 	int worst_rssi;
1769 
1770 	u16 prev_seq_ctl;       /* used to drop duplicate frames */
1771 
1772 	/* map of allowed channels. 0 is dummy */
1773 	// FIXME: remember to default to a basic channel plan depending of the PHY type
1774 	void *pDot11dInfo;
1775 	bool bGlobalDomain;
1776 	int rate;       /* current rate */
1777 	int basic_rate;
1778 	//FIXME: pleace callback, see if redundant with softmac_features
1779 	short active_scan;
1780 
1781 	/* this contains flags for selectively enable softmac support */
1782 	u16 softmac_features;
1783 
1784 	/* if the sequence control field is not filled by HW */
1785 	u16 seq_ctrl[5];
1786 
1787 	/* association procedure transaction sequence number */
1788 	u16 associate_seq;
1789 
1790 	/* AID for RTXed association responses */
1791 	u16 assoc_id;
1792 
1793 	/* power save mode related*/
1794 	short ps;
1795 	short sta_sleep;
1796 	int ps_timeout;
1797 	int ps_period;
1798 	struct tasklet_struct ps_task;
1799 	u32 ps_th;
1800 	u32 ps_tl;
1801 
1802 	short raw_tx;
1803 	/* used if IEEE_SOFTMAC_TX_QUEUE is set */
1804 	short queue_stop;
1805 	short scanning;
1806 	short proto_started;
1807 
1808 	struct mutex wx_mutex;
1809 	struct mutex scan_mutex;
1810 
1811 	spinlock_t mgmt_tx_lock;
1812 	spinlock_t beacon_lock;
1813 
1814 	short beacon_txing;
1815 
1816 	short wap_set;
1817 	short ssid_set;
1818 
1819 	u8  wpax_type_set;    //{added by David, 2006.9.28}
1820 	u32 wpax_type_notify; //{added by David, 2006.9.26}
1821 
1822 	/* QoS related flag */
1823 	s8  init_wmmparam_flag;
1824 	/* set on initialization */
1825 	u8  qos_support;
1826 
1827 	/* for discarding duplicated packets in IBSS */
1828 	struct list_head ibss_mac_hash[IEEE_IBSS_MAC_HASH_SIZE];
1829 
1830 	/* for discarding duplicated packets in BSS */
1831 	u16 last_rxseq_num[17]; /* rx seq previous per-tid */
1832 	u16 last_rxfrag_num[17];/* tx frag previous per-tid */
1833 	unsigned long last_packet_time[17];
1834 
1835 	/* for PS mode */
1836 	unsigned long last_rx_ps_time;
1837 
1838 	/* used if IEEE_SOFTMAC_SINGLE_QUEUE is set */
1839 	struct sk_buff *mgmt_queue_ring[MGMT_QUEUE_NUM];
1840 	int mgmt_queue_head;
1841 	int mgmt_queue_tail;
1842 //{ added for rtl819x
1843 #define IEEE80211_QUEUE_LIMIT 128
1844 	u8 AsocRetryCount;
1845 	unsigned int hw_header;
1846 	struct sk_buff_head skb_waitQ[MAX_QUEUE_SIZE];
1847 	struct sk_buff_head  skb_aggQ[MAX_QUEUE_SIZE];
1848 	struct sk_buff_head  skb_drv_aggQ[MAX_QUEUE_SIZE];
1849 	u32	sta_edca_param[4];
1850 	bool aggregation;
1851 	// Enable/Disable Rx immediate BA capability.
1852 	bool enable_rx_imm_BA;
1853 	bool bibsscoordinator;
1854 
1855 	//+by amy for DM ,080515
1856 	//Dynamic Tx power for near/far range enable/Disable  , by amy , 2008-05-15
1857 	bool	bdynamic_txpower_enable;
1858 
1859 	bool bCTSToSelfEnable;
1860 	u8	CTSToSelfTH;
1861 
1862 	u32	fsync_time_interval;
1863 	u32	fsync_rate_bitmap;
1864 	u8	fsync_rssi_threshold;
1865 	bool	bfsync_enable;
1866 
1867 	u8	fsync_multiple_timeinterval;		// FsyncMultipleTimeInterval * FsyncTimeInterval
1868 	u32	fsync_firstdiff_ratethreshold;		// low threshold
1869 	u32	fsync_seconddiff_ratethreshold;	 // decrease threshold
1870 	Fsync_State			fsync_state;
1871 	bool		bis_any_nonbepkts;
1872 	//20Mhz 40Mhz AutoSwitch Threshold
1873 	bandwidth_autoswitch bandwidth_auto_switch;
1874 	//for txpower tracking
1875 	bool FwRWRF;
1876 
1877 	//added by amy for AP roaming
1878 	RT_LINK_DETECT_T	LinkDetectInfo;
1879 	//added by amy for ps
1880 	RT_POWER_SAVE_CONTROL	PowerSaveControl;
1881 //}
1882 	/* used if IEEE_SOFTMAC_TX_QUEUE is set */
1883 	struct  tx_pending tx_pending;
1884 
1885 	/* used if IEEE_SOFTMAC_ASSOCIATE is set */
1886 	struct timer_list associate_timer;
1887 
1888 	/* used if IEEE_SOFTMAC_BEACONS is set */
1889 	struct timer_list beacon_timer;
1890 	struct work_struct associate_complete_wq;
1891 	struct work_struct associate_procedure_wq;
1892 	struct delayed_work softmac_scan_wq;
1893 	struct delayed_work associate_retry_wq;
1894 	 struct delayed_work start_ibss_wq;
1895 	struct work_struct wx_sync_scan_wq;
1896 	struct workqueue_struct *wq;
1897 	// Qos related. Added by Annie, 2005-11-01.
1898 	//STA_QOS  StaQos;
1899 
1900 	//u32 STA_EDCA_PARAM[4];
1901 	//CHANNEL_ACCESS_SETTING ChannelAccessSetting;
1902 
1903 	struct ieee80211_rxb *stats_IndicateArray[REORDER_WIN_SIZE];
1904 
1905 	/* Callback functions */
1906 	void (*set_security)(struct net_device *dev,
1907 			     struct ieee80211_security *sec);
1908 
1909 	/* Used to TX data frame by using txb structs.
1910 	 * this is not used if in the softmac_features
1911 	 * is set the flag IEEE_SOFTMAC_TX_QUEUE
1912 	 */
1913 	int (*hard_start_xmit)(struct ieee80211_txb *txb,
1914 			       struct net_device *dev);
1915 
1916 	int (*reset_port)(struct net_device *dev);
1917 	int (*is_queue_full)(struct net_device *dev, int pri);
1918 
1919 	int (*handle_management)(struct net_device *dev,
1920 				  struct ieee80211_network *network, u16 type);
1921 	int (*is_qos_active)(struct net_device *dev, struct sk_buff *skb);
1922 
1923 	/* Softmac-generated frames (management) are TXed via this
1924 	 * callback if the flag IEEE_SOFTMAC_SINGLE_QUEUE is
1925 	 * not set. As some cards may have different HW queues that
1926 	 * one might want to use for data and management frames
1927 	 * the option to have two callbacks might be useful.
1928 	 * This function can't sleep.
1929 	 */
1930 	int (*softmac_hard_start_xmit)(struct sk_buff *skb,
1931 			       struct net_device *dev);
1932 
1933 	/* used instead of hard_start_xmit (not softmac_hard_start_xmit)
1934 	 * if the IEEE_SOFTMAC_TX_QUEUE feature is used to TX data
1935 	 * frames. I the option IEEE_SOFTMAC_SINGLE_QUEUE is also set
1936 	 * then also management frames are sent via this callback.
1937 	 * This function can't sleep.
1938 	 */
1939 	void (*softmac_data_hard_start_xmit)(struct sk_buff *skb,
1940 			       struct net_device *dev, int rate);
1941 
1942 	/* stops the HW queue for DATA frames. Useful to avoid
1943 	 * waste time to TX data frame when we are reassociating
1944 	 * This function can sleep.
1945 	 */
1946 	void (*data_hard_stop)(struct net_device *dev);
1947 
1948 	/* OK this is complementar to data_poll_hard_stop */
1949 	void (*data_hard_resume)(struct net_device *dev);
1950 
1951 	/* ask to the driver to retune the radio .
1952 	 * This function can sleep. the driver should ensure
1953 	 * the radio has been switched before return.
1954 	 */
1955 	void (*set_chan)(struct net_device *dev, short ch);
1956 
1957 	/* These are not used if the ieee stack takes care of
1958 	 * scanning (IEEE_SOFTMAC_SCAN feature set).
1959 	 * In this case only the set_chan is used.
1960 	 *
1961 	 * The syncro version is similar to the start_scan but
1962 	 * does not return until all channels has been scanned.
1963 	 * this is called in user context and should sleep,
1964 	 * it is called in a work_queue when switching to ad-hoc mode
1965 	 * or in behalf of iwlist scan when the card is associated
1966 	 * and root user ask for a scan.
1967 	 * the function stop_scan should stop both the syncro and
1968 	 * background scanning and can sleep.
1969 	 * The function start_scan should initiate the background
1970 	 * scanning and can't sleep.
1971 	 */
1972 	void (*scan_syncro)(struct net_device *dev);
1973 	void (*start_scan)(struct net_device *dev);
1974 	void (*stop_scan)(struct net_device *dev);
1975 
1976 	/* indicate the driver that the link state is changed
1977 	 * for example it may indicate the card is associated now.
1978 	 * Driver might be interested in this to apply RX filter
1979 	 * rules or simply light the LINK led
1980 	 */
1981 	void (*link_change)(struct net_device *dev);
1982 
1983 	/* these two function indicates to the HW when to start
1984 	 * and stop to send beacons. This is used when the
1985 	 * IEEE_SOFTMAC_BEACONS is not set. For now the
1986 	 * stop_send_bacons is NOT guaranteed to be called only
1987 	 * after start_send_beacons.
1988 	 */
1989 	void (*start_send_beacons)(struct net_device *dev, u16 tx_rate);
1990 	void (*stop_send_beacons)(struct net_device *dev);
1991 
1992 	/* power save mode related */
1993 	void (*sta_wake_up)(struct net_device *dev);
1994 	void (*ps_request_tx_ack)(struct net_device *dev);
1995 	void (*enter_sleep_state)(struct net_device *dev, u32 th, u32 tl);
1996 	short (*ps_is_queue_empty)(struct net_device *dev);
1997 	int (*handle_beacon)(struct net_device *dev, struct ieee80211_beacon *beacon, struct ieee80211_network *network);
1998 	int (*handle_assoc_response)(struct net_device *dev, struct ieee80211_assoc_response_frame *resp, struct ieee80211_network *network);
1999 
2000 
2001 	/* check whether Tx hw resource available */
2002 	short (*check_nic_enough_desc)(struct net_device *dev, int queue_index);
2003 	//added by wb for HT related
2004 //	void (*SwChnlByTimerHandler)(struct net_device *dev, int channel);
2005 	void (*SetBWModeHandler)(struct net_device *dev, enum ht_channel_width Bandwidth, enum ht_extension_chan_offset Offset);
2006 //	void (*UpdateHalRATRTableHandler)(struct net_device* dev, u8* pMcsRate);
2007 	bool (*GetNmodeSupportBySecCfg)(struct net_device *dev);
2008 	void (*SetWirelessMode)(struct net_device *dev, u8 wireless_mode);
2009 	bool (*GetHalfNmodeSupportByAPsHandler)(struct net_device *dev);
2010 	void (*InitialGainHandler)(struct net_device *dev, u8 Operation);
2011 
2012 	/* This must be the last item so that it points to the data
2013 	 * allocated beyond this structure by alloc_ieee80211
2014 	 */
2015 	u8 priv[0];
2016 };
2017 
2018 #define IEEE_A            (1<<0)
2019 #define IEEE_B            (1<<1)
2020 #define IEEE_G            (1<<2)
2021 #define IEEE_N_24G		  (1<<4)
2022 #define	IEEE_N_5G		  (1<<5)
2023 #define IEEE_MODE_MASK    (IEEE_A | IEEE_B | IEEE_G)
2024 
2025 /* Generate a 802.11 header */
2026 
2027 /* Uses the channel change callback directly
2028  * instead of [start/stop] scan callbacks
2029  */
2030 #define IEEE_SOFTMAC_SCAN (1<<2)
2031 
2032 /* Perform authentication and association handshake */
2033 #define IEEE_SOFTMAC_ASSOCIATE (1<<3)
2034 
2035 /* Generate probe requests */
2036 #define IEEE_SOFTMAC_PROBERQ (1<<4)
2037 
2038 /* Generate respones to probe requests */
2039 #define IEEE_SOFTMAC_PROBERS (1<<5)
2040 
2041 /* The ieee802.11 stack will manages the netif queue
2042  * wake/stop for the driver, taking care of 802.11
2043  * fragmentation. See softmac.c for details.
2044  */
2045 #define IEEE_SOFTMAC_TX_QUEUE (1<<7)
2046 
2047 /* Uses only the softmac_data_hard_start_xmit
2048  * even for TX management frames.
2049  */
2050 #define IEEE_SOFTMAC_SINGLE_QUEUE (1<<8)
2051 
2052 /* Generate beacons.  The stack will enqueue beacons
2053  * to the card
2054  */
2055 #define IEEE_SOFTMAC_BEACONS (1<<6)
2056 
ieee80211_priv(struct net_device * dev)2057 static inline void *ieee80211_priv(struct net_device *dev)
2058 {
2059 	return ((struct ieee80211_device *)netdev_priv(dev))->priv;
2060 }
2061 
ieee80211_is_empty_essid(const char * essid,int essid_len)2062 static inline int ieee80211_is_empty_essid(const char *essid, int essid_len)
2063 {
2064 	/* Single white space is for Linksys APs */
2065 	if (essid_len == 1 && essid[0] == ' ')
2066 		return 1;
2067 
2068 	/* Otherwise, if the entire essid is 0, we assume it is hidden */
2069 	while (essid_len) {
2070 		essid_len--;
2071 		if (essid[essid_len] != '\0')
2072 			return 0;
2073 	}
2074 
2075 	return 1;
2076 }
2077 
ieee80211_is_valid_mode(struct ieee80211_device * ieee,int mode)2078 static inline int ieee80211_is_valid_mode(struct ieee80211_device *ieee, int mode)
2079 {
2080 	/*
2081 	 * It is possible for both access points and our device to support
2082 	 * combinations of modes, so as long as there is one valid combination
2083 	 * of ap/device supported modes, then return success
2084 	 *
2085 	 */
2086 	if ((mode & IEEE_A) &&
2087 	    (ieee->modulation & IEEE80211_OFDM_MODULATION) &&
2088 	    (ieee->freq_band & IEEE80211_52GHZ_BAND))
2089 		return 1;
2090 
2091 	if ((mode & IEEE_G) &&
2092 	    (ieee->modulation & IEEE80211_OFDM_MODULATION) &&
2093 	    (ieee->freq_band & IEEE80211_24GHZ_BAND))
2094 		return 1;
2095 
2096 	if ((mode & IEEE_B) &&
2097 	    (ieee->modulation & IEEE80211_CCK_MODULATION) &&
2098 	    (ieee->freq_band & IEEE80211_24GHZ_BAND))
2099 		return 1;
2100 
2101 	return 0;
2102 }
2103 
ieee80211_get_hdrlen(u16 fc)2104 static inline int ieee80211_get_hdrlen(u16 fc)
2105 {
2106 	int hdrlen = IEEE80211_3ADDR_LEN;
2107 
2108 	switch (WLAN_FC_GET_TYPE(fc)) {
2109 	case IEEE80211_FTYPE_DATA:
2110 		if ((fc & IEEE80211_FCTL_FROMDS) && (fc & IEEE80211_FCTL_TODS))
2111 			hdrlen = IEEE80211_4ADDR_LEN; /* Addr4 */
2112 		if (IEEE80211_QOS_HAS_SEQ(fc))
2113 			hdrlen += 2; /* QOS ctrl*/
2114 		break;
2115 	case IEEE80211_FTYPE_CTL:
2116 		switch (WLAN_FC_GET_STYPE(fc)) {
2117 		case IEEE80211_STYPE_CTS:
2118 		case IEEE80211_STYPE_ACK:
2119 			hdrlen = IEEE80211_1ADDR_LEN;
2120 			break;
2121 		default:
2122 			hdrlen = IEEE80211_2ADDR_LEN;
2123 			break;
2124 		}
2125 		break;
2126 	}
2127 
2128 	return hdrlen;
2129 }
2130 
ieee80211_get_payload(struct rtl_80211_hdr * hdr)2131 static inline u8 *ieee80211_get_payload(struct rtl_80211_hdr *hdr)
2132 {
2133 	switch (ieee80211_get_hdrlen(le16_to_cpu(hdr->frame_ctl))) {
2134 	case IEEE80211_1ADDR_LEN:
2135 		return ((struct rtl_80211_hdr_1addr *)hdr)->payload;
2136 	case IEEE80211_2ADDR_LEN:
2137 		return ((struct rtl_80211_hdr_2addr *)hdr)->payload;
2138 	case IEEE80211_3ADDR_LEN:
2139 		return ((struct rtl_80211_hdr_3addr *)hdr)->payload;
2140 	case IEEE80211_4ADDR_LEN:
2141 		return ((struct rtl_80211_hdr_4addr *)hdr)->payload;
2142 	}
2143 	return NULL;
2144 }
2145 
ieee80211_is_ofdm_rate(u8 rate)2146 static inline int ieee80211_is_ofdm_rate(u8 rate)
2147 {
2148 	switch (rate & ~IEEE80211_BASIC_RATE_MASK) {
2149 	case IEEE80211_OFDM_RATE_6MB:
2150 	case IEEE80211_OFDM_RATE_9MB:
2151 	case IEEE80211_OFDM_RATE_12MB:
2152 	case IEEE80211_OFDM_RATE_18MB:
2153 	case IEEE80211_OFDM_RATE_24MB:
2154 	case IEEE80211_OFDM_RATE_36MB:
2155 	case IEEE80211_OFDM_RATE_48MB:
2156 	case IEEE80211_OFDM_RATE_54MB:
2157 		return 1;
2158 	}
2159 	return 0;
2160 }
2161 
ieee80211_is_cck_rate(u8 rate)2162 static inline int ieee80211_is_cck_rate(u8 rate)
2163 {
2164 	switch (rate & ~IEEE80211_BASIC_RATE_MASK) {
2165 	case IEEE80211_CCK_RATE_1MB:
2166 	case IEEE80211_CCK_RATE_2MB:
2167 	case IEEE80211_CCK_RATE_5MB:
2168 	case IEEE80211_CCK_RATE_11MB:
2169 		return 1;
2170 	}
2171 	return 0;
2172 }
2173 
2174 
2175 /* ieee80211.c */
2176 void free_ieee80211(struct net_device *dev);
2177 struct net_device *alloc_ieee80211(int sizeof_priv);
2178 
2179 int ieee80211_set_encryption(struct ieee80211_device *ieee);
2180 
2181 /* ieee80211_tx.c */
2182 
2183 int ieee80211_encrypt_fragment(struct ieee80211_device *ieee,
2184 			       struct sk_buff *frag, int hdr_len);
2185 
2186 int ieee80211_xmit(struct sk_buff *skb, struct net_device *dev);
2187 void ieee80211_txb_free(struct ieee80211_txb *txb);
2188 
2189 
2190 /* ieee80211_rx.c */
2191 int ieee80211_rx(struct ieee80211_device *ieee, struct sk_buff *skb,
2192 		 struct ieee80211_rx_stats *rx_stats);
2193 void ieee80211_rx_mgt(struct ieee80211_device *ieee,
2194 		      struct rtl_80211_hdr_4addr *header,
2195 		      struct ieee80211_rx_stats *stats);
2196 
2197 /* ieee80211_wx.c */
2198 int ieee80211_wx_get_scan(struct ieee80211_device *ieee,
2199 			  struct iw_request_info *info,
2200 			  union iwreq_data *wrqu, char *key);
2201 int ieee80211_wx_set_encode(struct ieee80211_device *ieee,
2202 			    struct iw_request_info *info,
2203 			    union iwreq_data *wrqu, char *key);
2204 int ieee80211_wx_get_encode(struct ieee80211_device *ieee,
2205 			    struct iw_request_info *info,
2206 			    union iwreq_data *wrqu, char *key);
2207 int ieee80211_wx_get_encode_ext(struct ieee80211_device *ieee,
2208 				struct iw_request_info *info,
2209 				union iwreq_data *wrqu, char *extra);
2210 int ieee80211_wx_set_encode_ext(struct ieee80211_device *ieee,
2211 				struct iw_request_info *info,
2212 				union iwreq_data *wrqu, char *extra);
2213 int ieee80211_wx_set_auth(struct ieee80211_device *ieee,
2214 			  struct iw_request_info *info,
2215 			  struct iw_param *data, char *extra);
2216 int ieee80211_wx_set_mlme(struct ieee80211_device *ieee,
2217 			  struct iw_request_info *info,
2218 			  union iwreq_data *wrqu, char *extra);
2219 int ieee80211_wx_set_gen_ie(struct ieee80211_device *ieee, u8 *ie, size_t len);
2220 
2221 /* ieee80211_softmac.c */
2222 short ieee80211_is_54g(const struct ieee80211_network *net);
2223 short ieee80211_is_shortslot(const struct ieee80211_network *net);
2224 int ieee80211_rx_frame_softmac(struct ieee80211_device *ieee,
2225 			       struct sk_buff *skb,
2226 			       struct ieee80211_rx_stats *rx_stats,
2227 			       u16 type, u16 stype);
2228 void ieee80211_softmac_new_net(struct ieee80211_device *ieee,
2229 			       struct ieee80211_network *net);
2230 
2231 void SendDisassociation(struct ieee80211_device *ieee, u8 *asSta, u8 asRsn);
2232 void ieee80211_softmac_xmit(struct ieee80211_txb *txb,
2233 			    struct ieee80211_device *ieee);
2234 
2235 void ieee80211_stop_send_beacons(struct ieee80211_device *ieee);
2236 void notify_wx_assoc_event(struct ieee80211_device *ieee);
2237 void ieee80211_softmac_check_all_nets(struct ieee80211_device *ieee);
2238 void ieee80211_start_bss(struct ieee80211_device *ieee);
2239 void ieee80211_start_master_bss(struct ieee80211_device *ieee);
2240 void ieee80211_start_ibss(struct ieee80211_device *ieee);
2241 void ieee80211_softmac_init(struct ieee80211_device *ieee);
2242 void ieee80211_softmac_free(struct ieee80211_device *ieee);
2243 void ieee80211_associate_abort(struct ieee80211_device *ieee);
2244 void ieee80211_disassociate(struct ieee80211_device *ieee);
2245 void ieee80211_stop_scan(struct ieee80211_device *ieee);
2246 void ieee80211_start_scan_syncro(struct ieee80211_device *ieee);
2247 void ieee80211_check_all_nets(struct ieee80211_device *ieee);
2248 void ieee80211_start_protocol(struct ieee80211_device *ieee);
2249 void ieee80211_stop_protocol(struct ieee80211_device *ieee);
2250 void ieee80211_softmac_start_protocol(struct ieee80211_device *ieee);
2251 void ieee80211_softmac_stop_protocol(struct ieee80211_device *ieee);
2252 void ieee80211_reset_queue(struct ieee80211_device *ieee);
2253 void ieee80211_wake_queue(struct ieee80211_device *ieee);
2254 void ieee80211_stop_queue(struct ieee80211_device *ieee);
2255 struct sk_buff *ieee80211_get_beacon(struct ieee80211_device *ieee);
2256 void ieee80211_start_send_beacons(struct ieee80211_device *ieee);
2257 void ieee80211_stop_send_beacons(struct ieee80211_device *ieee);
2258 int ieee80211_wpa_supplicant_ioctl(struct ieee80211_device *ieee,
2259 				   struct iw_point *p);
2260 void notify_wx_assoc_event(struct ieee80211_device *ieee);
2261 void ieee80211_ps_tx_ack(struct ieee80211_device *ieee, short success);
2262 
2263 void softmac_mgmt_xmit(struct sk_buff *skb, struct ieee80211_device *ieee);
2264 
2265 /* ieee80211_crypt_ccmp&tkip&wep.c */
2266 void ieee80211_tkip_null(void);
2267 
2268 int ieee80211_crypto_init(void);
2269 void ieee80211_crypto_deinit(void);
2270 int ieee80211_crypto_tkip_init(void);
2271 void ieee80211_crypto_tkip_exit(void);
2272 int ieee80211_crypto_ccmp_init(void);
2273 void ieee80211_crypto_ccmp_exit(void);
2274 int ieee80211_crypto_wep_init(void);
2275 void ieee80211_crypto_wep_exit(void);
2276 
2277 /* ieee80211_softmac_wx.c */
2278 
2279 int ieee80211_wx_get_wap(struct ieee80211_device *ieee,
2280 			 struct iw_request_info *info,
2281 			 union iwreq_data *wrqu, char *ext);
2282 
2283 int ieee80211_wx_set_wap(struct ieee80211_device *ieee,
2284 			 struct iw_request_info *info,
2285 			 union iwreq_data *awrq,
2286 			 char *extra);
2287 
2288 int ieee80211_wx_get_essid(struct ieee80211_device *ieee,
2289 			   struct iw_request_info *a,
2290 			   union iwreq_data *wrqu, char *b);
2291 
2292 int ieee80211_wx_set_rate(struct ieee80211_device *ieee,
2293 			  struct iw_request_info *info,
2294 			  union iwreq_data *wrqu, char *extra);
2295 
2296 int ieee80211_wx_get_rate(struct ieee80211_device *ieee,
2297 			  struct iw_request_info *info,
2298 			  union iwreq_data *wrqu, char *extra);
2299 
2300 int ieee80211_wx_set_mode(struct ieee80211_device *ieee,
2301 			  struct iw_request_info *a,
2302 			  union iwreq_data *wrqu, char *b);
2303 
2304 int ieee80211_wx_set_scan(struct ieee80211_device *ieee,
2305 			  struct iw_request_info *a,
2306 			  union iwreq_data *wrqu, char *b);
2307 
2308 int ieee80211_wx_set_essid(struct ieee80211_device *ieee,
2309 			   struct iw_request_info *a,
2310 			   union iwreq_data *wrqu, char *extra);
2311 
2312 int ieee80211_wx_get_mode(struct ieee80211_device *ieee,
2313 			  struct iw_request_info *a,
2314 			  union iwreq_data *wrqu, char *b);
2315 
2316 int ieee80211_wx_set_freq(struct ieee80211_device *ieee,
2317 			  struct iw_request_info *a,
2318 			  union iwreq_data *wrqu, char *b);
2319 
2320 int ieee80211_wx_get_freq(struct ieee80211_device *ieee,
2321 			  struct iw_request_info *a,
2322 			  union iwreq_data *wrqu, char *b);
2323 
2324 /* ieee80211_module.c */
2325 int ieee80211_debug_init(void);
2326 void ieee80211_debug_exit(void);
2327 
2328 //extern void ieee80211_wx_sync_scan_wq(struct ieee80211_device *ieee);
2329 void ieee80211_wx_sync_scan_wq(struct work_struct *work);
2330 
2331 
2332 int ieee80211_wx_set_rawtx(struct ieee80211_device *ieee,
2333 			   struct iw_request_info *info,
2334 			       union iwreq_data *wrqu, char *extra);
2335 
2336 int ieee80211_wx_get_name(struct ieee80211_device *ieee,
2337 			  struct iw_request_info *info,
2338 			  union iwreq_data *wrqu, char *extra);
2339 
2340 int ieee80211_wx_set_power(struct ieee80211_device *ieee,
2341 			   struct iw_request_info *info,
2342 			   union iwreq_data *wrqu, char *extra);
2343 
2344 int ieee80211_wx_get_power(struct ieee80211_device *ieee,
2345 			   struct iw_request_info *info,
2346 			   union iwreq_data *wrqu, char *extra);
2347 
2348 int ieee80211_wx_set_rts(struct ieee80211_device *ieee,
2349 			 struct iw_request_info *info,
2350 			 union iwreq_data *wrqu, char *extra);
2351 
2352 int ieee80211_wx_get_rts(struct ieee80211_device *ieee,
2353 			 struct iw_request_info *info,
2354 			 union iwreq_data *wrqu, char *extra);
2355 //HT
2356 #define MAX_RECEIVE_BUFFER_SIZE 9100  //
2357 void HTDebugHTCapability(u8 *CapIE, u8 *TitleString);
2358 void HTDebugHTInfo(u8 *InfoIE, u8 *TitleString);
2359 
2360 void HTSetConnectBwMode(struct ieee80211_device *ieee,
2361 			enum ht_channel_width Bandwidth, enum ht_extension_chan_offset Offset);
2362 void HTUpdateDefaultSetting(struct ieee80211_device *ieee);
2363 void HTConstructCapabilityElement(struct ieee80211_device *ieee, u8 *posHTCap,
2364 				  u8 *len, u8 isEncrypt);
2365 void HTConstructInfoElement(struct ieee80211_device *ieee, u8 *posHTInfo,
2366 			    u8 *len, u8 isEncrypt);
2367 void HTConstructRT2RTAggElement(struct ieee80211_device *ieee, u8 *posRT2RTAgg,
2368 				u8 *len);
2369 void HTOnAssocRsp(struct ieee80211_device *ieee);
2370 void HTInitializeHTInfo(struct ieee80211_device *ieee);
2371 void HTInitializeBssDesc(PBSS_HT pBssHT);
2372 void HTResetSelfAndSavePeerSetting(struct ieee80211_device *ieee,
2373 				   struct ieee80211_network *pNetwork);
2374 void HTUpdateSelfAndPeerSetting(struct ieee80211_device *ieee,
2375 				struct ieee80211_network *pNetwork);
2376 u8 HTGetHighestMCSRate(struct ieee80211_device *ieee,
2377 		       u8 *pMCSRateSet, u8 *pMCSFilter);
2378 extern u8 MCS_FILTER_ALL[];
2379 extern u16 MCS_DATA_RATE[2][2][77];
2380 u8 HTCCheck(struct ieee80211_device *ieee, u8 *pFrame);
2381 //extern void HTSetConnectBwModeCallback(unsigned long data);
2382 void HTResetIOTSetting(PRT_HIGH_THROUGHPUT pHTInfo);
2383 bool IsHTHalfNmodeAPs(struct ieee80211_device *ieee);
2384 u16 HTHalfMcsToDataRate(struct ieee80211_device *ieee, u8 nMcsRate);
2385 u16 HTMcsToDataRate(struct ieee80211_device *ieee, u8 nMcsRate);
2386 u16 TxCountToDataRate(struct ieee80211_device *ieee, u8 nDataRate);
2387 //function in BAPROC.c
2388 int ieee80211_rx_ADDBAReq(struct ieee80211_device *ieee, struct sk_buff *skb);
2389 int ieee80211_rx_ADDBARsp(struct ieee80211_device *ieee, struct sk_buff *skb);
2390 int ieee80211_rx_DELBA(struct ieee80211_device *ieee, struct sk_buff *skb);
2391 void TsInitAddBA(struct ieee80211_device *ieee, struct tx_ts_record *pTS,
2392 		 u8 Policy, u8 bOverwritePending);
2393 void TsInitDelBA(struct ieee80211_device *ieee,
2394 		 struct ts_common_info *pTsCommonInfo, enum tr_select TxRxSelect);
2395 void BaSetupTimeOut(struct timer_list *t);
2396 void TxBaInactTimeout(struct timer_list *t);
2397 void RxBaInactTimeout(struct timer_list *t);
2398 void ResetBaEntry(PBA_RECORD pBA);
2399 //function in TS.c
2400 bool GetTs(
2401 	struct ieee80211_device		*ieee,
2402 	struct ts_common_info           **ppTS,
2403 	u8                              *Addr,
2404 	u8                              TID,
2405 	enum tr_select                  TxRxSelect,  //Rx:1, Tx:0
2406 	bool                            bAddNewTs
2407 	);
2408 void TSInitialize(struct ieee80211_device *ieee);
2409 void TsStartAddBaProcess(struct ieee80211_device *ieee, struct tx_ts_record   *pTxTS);
2410 void RemovePeerTS(struct ieee80211_device *ieee, u8 *Addr);
2411 void RemoveAllTS(struct ieee80211_device *ieee);
2412 void ieee80211_softmac_scan_syncro(struct ieee80211_device *ieee);
2413 
2414 extern const long ieee80211_wlan_frequencies[];
2415 
ieee80211_increment_scans(struct ieee80211_device * ieee)2416 static inline void ieee80211_increment_scans(struct ieee80211_device *ieee)
2417 {
2418 	ieee->scans++;
2419 }
2420 
ieee80211_get_scans(struct ieee80211_device * ieee)2421 static inline int ieee80211_get_scans(struct ieee80211_device *ieee)
2422 {
2423 	return ieee->scans;
2424 }
2425 
escape_essid(const char * essid,u8 essid_len)2426 static inline const char *escape_essid(const char *essid, u8 essid_len)
2427 {
2428 	static char escaped[IW_ESSID_MAX_SIZE * 2 + 1];
2429 
2430 	if (ieee80211_is_empty_essid(essid, essid_len)) {
2431 		memcpy(escaped, "<hidden>", sizeof("<hidden>"));
2432 		return escaped;
2433 	}
2434 
2435 	snprintf(escaped, sizeof(escaped), "%*pEn", essid_len, essid);
2436 	return escaped;
2437 }
2438 
2439 /* For the function is more related to hardware setting, it's better to use the
2440  * ieee handler to refer to it.
2441  */
2442 short check_nic_enough_desc(struct net_device *dev, int queue_index);
2443 int ieee80211_data_xmit(struct sk_buff *skb, struct net_device *dev);
2444 int ieee80211_parse_info_param(struct ieee80211_device *ieee,
2445 			       struct ieee80211_info_element *info_element,
2446 			       u16 length,
2447 			       struct ieee80211_network *network,
2448 			       struct ieee80211_rx_stats *stats);
2449 
2450 void ieee80211_indicate_packets(struct ieee80211_device *ieee,
2451 				struct ieee80211_rxb **prxbIndicateArray,
2452 				u8 index);
2453 #define RT_ASOC_RETRY_LIMIT	5
2454 #endif /* IEEE80211_H */
2455