1 /*
2  * Merged with mainline rtllib.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 RTLLIB_H
25 #define RTLLIB_H
26 #include <linux/if_ether.h> /* ETH_ALEN */
27 #include <linux/kernel.h>   /* ARRAY_SIZE */
28 #include <linux/module.h>
29 #include <linux/interrupt.h>
30 #include <linux/jiffies.h>
31 #include <linux/timer.h>
32 #include <linux/sched.h>
33 #include <linux/semaphore.h>
34 
35 #include <linux/delay.h>
36 #include <linux/wireless.h>
37 
38 #include "rtllib_debug.h"
39 #include "rtl819x_HT.h"
40 #include "rtl819x_BA.h"
41 #include "rtl819x_TS.h"
42 
43 #include <linux/netdevice.h>
44 #include <linux/if_arp.h> /* ARPHRD_ETHER */
45 #include <net/lib80211.h>
46 
47 #define MAX_PRECMD_CNT 16
48 #define MAX_RFDEPENDCMD_CNT 16
49 #define MAX_POSTCMD_CNT 16
50 
51 #ifndef WIRELESS_SPY
52 #define WIRELESS_SPY
53 #endif
54 #include <net/iw_handler.h>
55 
56 #ifndef IW_MODE_MONITOR
57 #define IW_MODE_MONITOR 6
58 #endif
59 
60 #ifndef IWEVCUSTOM
61 #define IWEVCUSTOM 0x8c02
62 #endif
63 
64 #ifndef IW_CUSTOM_MAX
65 /* Max number of char in custom event - use multiple of them if needed */
66 #define IW_CUSTOM_MAX	256	/* In bytes */
67 #endif
68 
69 #define skb_tail_pointer_rsl(skb) skb_tail_pointer(skb)
70 
71 #define queue_delayed_work_rsl(x, y, z) queue_delayed_work(x, y, z)
72 #define INIT_DELAYED_WORK_RSL(x, y, z) INIT_DELAYED_WORK(x, y)
73 
74 #define queue_work_rsl(x, y) queue_work(x, y)
75 #define INIT_WORK_RSL(x, y, z) INIT_WORK(x, y)
76 
77 #define container_of_work_rsl(x, y, z) container_of(x, y, z)
78 #define container_of_dwork_rsl(x, y, z)				\
79 	container_of(container_of(x, struct delayed_work, work), y, z)
80 
81 #define iwe_stream_add_event_rsl(info, start, stop, iwe, len)	\
82 	iwe_stream_add_event(info, start, stop, iwe, len)
83 
84 #define iwe_stream_add_point_rsl(info, start, stop, iwe, p)	\
85 	iwe_stream_add_point(info, start, stop, iwe, p)
86 
87 #define usb_alloc_urb_rsl(x, y) usb_alloc_urb(x, y)
88 #define usb_submit_urb_rsl(x, y) usb_submit_urb(x, y)
89 
netdev_priv_rsl(struct net_device * dev)90 static inline void *netdev_priv_rsl(struct net_device *dev)
91 {
92 	return netdev_priv(dev);
93 }
94 
95 #define KEY_TYPE_NA		0x0
96 #define KEY_TYPE_WEP40		0x1
97 #define KEY_TYPE_TKIP		0x2
98 #define KEY_TYPE_CCMP		0x4
99 #define KEY_TYPE_WEP104		0x5
100 /* added for rtl819x tx procedure */
101 #define MAX_QUEUE_SIZE		0x10
102 
103 #define BK_QUEUE			       0
104 #define BE_QUEUE			       1
105 #define VI_QUEUE			       2
106 #define VO_QUEUE			       3
107 #define HCCA_QUEUE			     4
108 #define TXCMD_QUEUE			    5
109 #define MGNT_QUEUE			     6
110 #define HIGH_QUEUE			     7
111 #define BEACON_QUEUE			   8
112 
113 #define LOW_QUEUE			      BE_QUEUE
114 #define NORMAL_QUEUE			   MGNT_QUEUE
115 
116 #ifndef IW_MODE_MESH
117 #define IW_MODE_MESH			7
118 #endif
119 #define AMSDU_SUBHEADER_LEN 14
120 #define SWRF_TIMEOUT				50
121 
122 #define IE_CISCO_FLAG_POSITION		0x08
123 #define SUPPORT_CKIP_MIC			0x08
124 #define SUPPORT_CKIP_PK			0x10
125 #define	RT_RF_OFF_LEVL_ASPM			BIT0
126 #define	RT_RF_OFF_LEVL_CLK_REQ		BIT1
127 #define	RT_RF_OFF_LEVL_PCI_D3			BIT2
128 #define	RT_RF_OFF_LEVL_HALT_NIC		BIT3
129 #define	RT_RF_OFF_LEVL_FREE_FW		BIT4
130 #define	RT_RF_OFF_LEVL_FW_32K		BIT5
131 #define	RT_RF_PS_LEVEL_ALWAYS_ASPM	BIT6
132 #define	RT_RF_LPS_DISALBE_2R			BIT30
133 #define	RT_RF_LPS_LEVEL_ASPM			BIT31
134 #define	RT_IN_PS_LEVEL(pPSC, _PS_FLAG)		\
135 	((pPSC->CurPsLevel & _PS_FLAG) ? true : false)
136 #define	RT_CLEAR_PS_LEVEL(pPSC, _PS_FLAG)	\
137 	(pPSC->CurPsLevel &= (~(_PS_FLAG)))
138 #define	RT_SET_PS_LEVEL(pPSC, _PS_FLAG)	(pPSC->CurPsLevel |= _PS_FLAG)
139 
140 /* defined for skb cb field */
141 /* At most 28 byte */
142 struct cb_desc {
143 	/* Tx Desc Related flags (8-9) */
144 	u8 bLastIniPkt:1;
145 	u8 bCmdOrInit:1;
146 	u8 bFirstSeg:1;
147 	u8 bLastSeg:1;
148 	u8 bEncrypt:1;
149 	u8 bTxDisableRateFallBack:1;
150 	u8 bTxUseDriverAssingedRate:1;
151 	u8 bHwSec:1;
152 
153 	u8 nStuckCount;
154 
155 	/* Tx Firmware Related flags (10-11)*/
156 	u8 bCTSEnable:1;
157 	u8 bRTSEnable:1;
158 	u8 bUseShortGI:1;
159 	u8 bUseShortPreamble:1;
160 	u8 bTxEnableFwCalcDur:1;
161 	u8 bAMPDUEnable:1;
162 	u8 bRTSSTBC:1;
163 	u8 RTSSC:1;
164 
165 	u8 bRTSBW:1;
166 	u8 bPacketBW:1;
167 	u8 bRTSUseShortPreamble:1;
168 	u8 bRTSUseShortGI:1;
169 	u8 bMulticast:1;
170 	u8 bBroadcast:1;
171 	u8 drv_agg_enable:1;
172 	u8 reserved2:1;
173 
174 	/* Tx Desc related element(12-19) */
175 	u8 rata_index;
176 	u8 queue_index;
177 	u16 txbuf_size;
178 	u8 RATRIndex;
179 	u8 bAMSDU:1;
180 	u8 bFromAggrQ:1;
181 	u8 reserved6:6;
182 	u8 macId;
183 	u8 priority;
184 
185 	/* Tx firmware related element(20-27) */
186 	u8 data_rate;
187 	u8 rts_rate;
188 	u8 ampdu_factor;
189 	u8 ampdu_density;
190 	u8 DrvAggrNum;
191 	u8 bdhcp;
192 	u16 pkt_size;
193 	u8 bIsSpecialDataFrame;
194 
195 	u8 bBTTxPacket;
196 	u8 bIsBTProbRsp;
197 };
198 
199 enum sw_chnl_cmd_id {
200 	CmdID_End,
201 	CmdID_SetTxPowerLevel,
202 	CmdID_BBRegWrite10,
203 	CmdID_WritePortUlong,
204 	CmdID_WritePortUshort,
205 	CmdID_WritePortUchar,
206 	CmdID_RF_WriteReg,
207 };
208 
209 struct sw_chnl_cmd {
210 	enum sw_chnl_cmd_id CmdID;
211 	u32			Para1;
212 	u32			Para2;
213 	u32			msDelay;
214 } __packed;
215 
216 /*--------------------------Define -------------------------------------------*/
217 #define MGN_1M		  0x02
218 #define MGN_2M		  0x04
219 #define MGN_5_5M		0x0b
220 #define MGN_11M		 0x16
221 
222 #define MGN_6M		  0x0c
223 #define MGN_9M		  0x12
224 #define MGN_12M		 0x18
225 #define MGN_18M		 0x24
226 #define MGN_24M		 0x30
227 #define MGN_36M		 0x48
228 #define MGN_48M		 0x60
229 #define MGN_54M		 0x6c
230 
231 #define MGN_MCS0		0x80
232 #define MGN_MCS1		0x81
233 #define MGN_MCS2		0x82
234 #define MGN_MCS3		0x83
235 #define MGN_MCS4		0x84
236 #define MGN_MCS5		0x85
237 #define MGN_MCS6		0x86
238 #define MGN_MCS7		0x87
239 #define MGN_MCS8		0x88
240 #define MGN_MCS9		0x89
241 #define MGN_MCS10	       0x8a
242 #define MGN_MCS11	       0x8b
243 #define MGN_MCS12	       0x8c
244 #define MGN_MCS13	       0x8d
245 #define MGN_MCS14	       0x8e
246 #define MGN_MCS15	       0x8f
247 #define	MGN_MCS0_SG			0x90
248 #define	MGN_MCS1_SG			0x91
249 #define	MGN_MCS2_SG			0x92
250 #define	MGN_MCS3_SG			0x93
251 #define	MGN_MCS4_SG			0x94
252 #define	MGN_MCS5_SG			0x95
253 #define	MGN_MCS6_SG			0x96
254 #define	MGN_MCS7_SG			0x97
255 #define	MGN_MCS8_SG			0x98
256 #define	MGN_MCS9_SG			0x99
257 #define	MGN_MCS10_SG		0x9a
258 #define	MGN_MCS11_SG		0x9b
259 #define	MGN_MCS12_SG		0x9c
260 #define	MGN_MCS13_SG		0x9d
261 #define	MGN_MCS14_SG		0x9e
262 #define	MGN_MCS15_SG		0x9f
263 
264 
265 enum	_ReasonCode {
266 	unspec_reason	= 0x1,
267 	auth_not_valid	= 0x2,
268 	deauth_lv_ss	= 0x3,
269 	inactivity		= 0x4,
270 	ap_overload	= 0x5,
271 	class2_err		= 0x6,
272 	class3_err		= 0x7,
273 	disas_lv_ss	= 0x8,
274 	asoc_not_auth	= 0x9,
275 
276 	mic_failure	= 0xe,
277 
278 	invalid_IE		= 0x0d,
279 	four_way_tmout	= 0x0f,
280 	two_way_tmout	= 0x10,
281 	IE_dismatch	= 0x11,
282 	invalid_Gcipher = 0x12,
283 	invalid_Pcipher = 0x13,
284 	invalid_AKMP	= 0x14,
285 	unsup_RSNIEver = 0x15,
286 	invalid_RSNIE	= 0x16,
287 	auth_802_1x_fail = 0x17,
288 	ciper_reject		= 0x18,
289 
290 	QoS_unspec		= 0x20,
291 	QAP_bandwidth	= 0x21,
292 	poor_condition	= 0x22,
293 	no_facility	= 0x23,
294 	req_declined	= 0x25,
295 	invalid_param	= 0x26,
296 	req_not_honored = 0x27,
297 	TS_not_created	= 0x2F,
298 	DL_not_allowed	= 0x30,
299 	dest_not_exist	= 0x31,
300 	dest_not_QSTA	= 0x32,
301 };
302 
303 enum hal_def_variable {
304 	HAL_DEF_TPC_ENABLE,
305 	HAL_DEF_INIT_GAIN,
306 	HAL_DEF_PROT_IMP_MODE,
307 	HAL_DEF_HIGH_POWER_MECHANISM,
308 	HAL_DEF_RATE_ADAPTIVE_MECHANISM,
309 	HAL_DEF_ANTENNA_DIVERSITY_MECHANISM,
310 	HAL_DEF_LED,
311 	HAL_DEF_CW_MAX_MIN,
312 
313 	HAL_DEF_WOWLAN,
314 	HAL_DEF_ENDPOINTS,
315 	HAL_DEF_MIN_TX_POWER_DBM,
316 	HAL_DEF_MAX_TX_POWER_DBM,
317 	HW_DEF_EFUSE_REPG_SECTION1_FLAG,
318 	HW_DEF_EFUSE_REPG_DATA,
319 	HW_DEF_GPIO,
320 	HAL_DEF_PCI_SUPPORT_ASPM,
321 	HAL_DEF_THERMAL_VALUE,
322 	HAL_DEF_USB_IN_TOKEN_REV,
323 };
324 
325 enum hw_variables {
326 	HW_VAR_ETHER_ADDR,
327 	HW_VAR_MULTICAST_REG,
328 	HW_VAR_BASIC_RATE,
329 	HW_VAR_BSSID,
330 	HW_VAR_MEDIA_STATUS,
331 	HW_VAR_SECURITY_CONF,
332 	HW_VAR_BEACON_INTERVAL,
333 	HW_VAR_ATIM_WINDOW,
334 	HW_VAR_LISTEN_INTERVAL,
335 	HW_VAR_CS_COUNTER,
336 	HW_VAR_DEFAULTKEY0,
337 	HW_VAR_DEFAULTKEY1,
338 	HW_VAR_DEFAULTKEY2,
339 	HW_VAR_DEFAULTKEY3,
340 	HW_VAR_SIFS,
341 	HW_VAR_DIFS,
342 	HW_VAR_EIFS,
343 	HW_VAR_SLOT_TIME,
344 	HW_VAR_ACK_PREAMBLE,
345 	HW_VAR_CW_CONFIG,
346 	HW_VAR_CW_VALUES,
347 	HW_VAR_RATE_FALLBACK_CONTROL,
348 	HW_VAR_CONTENTION_WINDOW,
349 	HW_VAR_RETRY_COUNT,
350 	HW_VAR_TR_SWITCH,
351 	HW_VAR_COMMAND,
352 	HW_VAR_WPA_CONFIG,
353 	HW_VAR_AMPDU_MIN_SPACE,
354 	HW_VAR_SHORTGI_DENSITY,
355 	HW_VAR_AMPDU_FACTOR,
356 	HW_VAR_MCS_RATE_AVAILABLE,
357 	HW_VAR_AC_PARAM,
358 	HW_VAR_ACM_CTRL,
359 	HW_VAR_DIS_Req_Qsize,
360 	HW_VAR_CCX_CHNL_LOAD,
361 	HW_VAR_CCX_NOISE_HISTOGRAM,
362 	HW_VAR_CCX_CLM_NHM,
363 	HW_VAR_TxOPLimit,
364 	HW_VAR_TURBO_MODE,
365 	HW_VAR_RF_STATE,
366 	HW_VAR_RF_OFF_BY_HW,
367 	HW_VAR_BUS_SPEED,
368 	HW_VAR_SET_DEV_POWER,
369 
370 	HW_VAR_RCR,
371 	HW_VAR_RATR_0,
372 	HW_VAR_RRSR,
373 	HW_VAR_CPU_RST,
374 	HW_VAR_CECHK_BSSID,
375 	HW_VAR_LBK_MODE,
376 	HW_VAR_AES_11N_FIX,
377 	HW_VAR_USB_RX_AGGR,
378 	HW_VAR_USER_CONTROL_TURBO_MODE,
379 	HW_VAR_RETRY_LIMIT,
380 	HW_VAR_INIT_TX_RATE,
381 	HW_VAR_TX_RATE_REG,
382 	HW_VAR_EFUSE_USAGE,
383 	HW_VAR_EFUSE_BYTES,
384 	HW_VAR_AUTOLOAD_STATUS,
385 	HW_VAR_RF_2R_DISABLE,
386 	HW_VAR_SET_RPWM,
387 	HW_VAR_H2C_FW_PWRMODE,
388 	HW_VAR_H2C_FW_JOINBSSRPT,
389 	HW_VAR_1X1_RECV_COMBINE,
390 	HW_VAR_STOP_SEND_BEACON,
391 	HW_VAR_TSF_TIMER,
392 	HW_VAR_IO_CMD,
393 
394 	HW_VAR_RF_RECOVERY,
395 	HW_VAR_H2C_FW_UPDATE_GTK,
396 	HW_VAR_WF_MASK,
397 	HW_VAR_WF_CRC,
398 	HW_VAR_WF_IS_MAC_ADDR,
399 	HW_VAR_H2C_FW_OFFLOAD,
400 	HW_VAR_RESET_WFCRC,
401 
402 	HW_VAR_HANDLE_FW_C2H,
403 	HW_VAR_DL_FW_RSVD_PAGE,
404 	HW_VAR_AID,
405 	HW_VAR_HW_SEQ_ENABLE,
406 	HW_VAR_CORRECT_TSF,
407 	HW_VAR_BCN_VALID,
408 	HW_VAR_FWLPS_RF_ON,
409 	HW_VAR_DUAL_TSF_RST,
410 	HW_VAR_SWITCH_EPHY_WoWLAN,
411 	HW_VAR_INT_MIGRATION,
412 	HW_VAR_INT_AC,
413 	HW_VAR_RF_TIMING,
414 };
415 
416 enum rt_op_mode {
417 	RT_OP_MODE_AP,
418 	RT_OP_MODE_INFRASTRUCTURE,
419 	RT_OP_MODE_IBSS,
420 	RT_OP_MODE_NO_LINK,
421 };
422 
423 
424 #define aSifsTime						\
425 	 (((priv->rtllib->current_network.mode == IEEE_A)	\
426 	|| (priv->rtllib->current_network.mode == IEEE_N_24G)	\
427 	|| (priv->rtllib->current_network.mode == IEEE_N_5G)) ? 16 : 10)
428 
429 #define MGMT_QUEUE_NUM 5
430 
431 #define IEEE_CMD_SET_WPA_PARAM			1
432 #define	IEEE_CMD_SET_WPA_IE			2
433 #define IEEE_CMD_SET_ENCRYPTION			3
434 #define IEEE_CMD_MLME				4
435 
436 #define IEEE_PARAM_WPA_ENABLED			1
437 #define IEEE_PARAM_TKIP_COUNTERMEASURES		2
438 #define IEEE_PARAM_DROP_UNENCRYPTED		3
439 #define IEEE_PARAM_PRIVACY_INVOKED		4
440 #define IEEE_PARAM_AUTH_ALGS			5
441 #define IEEE_PARAM_IEEE_802_1X			6
442 #define IEEE_PARAM_WPAX_SELECT			7
443 #define IEEE_PROTO_WPA				1
444 #define IEEE_PROTO_RSN				2
445 #define IEEE_WPAX_USEGROUP			0
446 #define IEEE_WPAX_WEP40				1
447 #define IEEE_WPAX_TKIP				2
448 #define IEEE_WPAX_WRAP				3
449 #define IEEE_WPAX_CCMP				4
450 #define IEEE_WPAX_WEP104			5
451 
452 #define IEEE_KEY_MGMT_IEEE8021X			1
453 #define IEEE_KEY_MGMT_PSK			2
454 
455 #define IEEE_MLME_STA_DEAUTH			1
456 #define IEEE_MLME_STA_DISASSOC			2
457 
458 
459 #define IEEE_CRYPT_ERR_UNKNOWN_ALG		2
460 #define IEEE_CRYPT_ERR_UNKNOWN_ADDR		3
461 #define IEEE_CRYPT_ERR_CRYPT_INIT_FAILED	4
462 #define IEEE_CRYPT_ERR_KEY_SET_FAILED		5
463 #define IEEE_CRYPT_ERR_TX_KEY_SET_FAILED	6
464 #define IEEE_CRYPT_ERR_CARD_CONF_FAILED		7
465 #define	IEEE_CRYPT_ALG_NAME_LEN			16
466 
467 #define MAX_IE_LEN  0xff
468 
469 struct ieee_param {
470 	u32 cmd;
471 	u8 sta_addr[ETH_ALEN];
472 	union {
473 		struct {
474 			u8 name;
475 			u32 value;
476 		} wpa_param;
477 		struct {
478 			u32 len;
479 			u8 reserved[32];
480 			u8 data[0];
481 		} wpa_ie;
482 		struct {
483 			int command;
484 			int reason_code;
485 		} mlme;
486 		struct {
487 			u8 alg[IEEE_CRYPT_ALG_NAME_LEN];
488 			u8 set_tx;
489 			u32 err;
490 			u8 idx;
491 			u8 seq[8]; /* sequence counter (set: RX, get: TX) */
492 			u16 key_len;
493 			u8 key[0];
494 		} crypt;
495 	} u;
496 };
497 
498 
499 #if WIRELESS_EXT < 17
500 #define IW_QUAL_QUAL_INVALID   0x10
501 #define IW_QUAL_LEVEL_INVALID  0x20
502 #define IW_QUAL_NOISE_INVALID  0x40
503 #define IW_QUAL_QUAL_UPDATED   0x1
504 #define IW_QUAL_LEVEL_UPDATED  0x2
505 #define IW_QUAL_NOISE_UPDATED  0x4
506 #endif
507 
508 #define msleep_interruptible_rsl  msleep_interruptible
509 
510 #define RTLLIB_DATA_LEN		2304
511 /* Maximum size for the MA-UNITDATA primitive, 802.11 standard section
512  * 6.2.1.1.2.
513  *
514  * The figure in section 7.1.2 suggests a body size of up to 2312
515  * bytes is allowed, which is a bit confusing, I suspect this
516  * represents the 2304 bytes of real data, plus a possible 8 bytes of
517  * WEP IV and ICV. (this interpretation suggested by Ramiro Barreiro)
518  */
519 #define RTLLIB_1ADDR_LEN 10
520 #define RTLLIB_2ADDR_LEN 16
521 #define RTLLIB_3ADDR_LEN 24
522 #define RTLLIB_4ADDR_LEN 30
523 #define RTLLIB_FCS_LEN    4
524 #define RTLLIB_HLEN		  (RTLLIB_4ADDR_LEN)
525 #define RTLLIB_FRAME_LEN	     (RTLLIB_DATA_LEN + RTLLIB_HLEN)
526 #define RTLLIB_MGMT_HDR_LEN 24
527 #define RTLLIB_DATA_HDR3_LEN 24
528 #define RTLLIB_DATA_HDR4_LEN 30
529 
530 #define RTLLIB_SKBBUFFER_SIZE 2500
531 
532 #define MIN_FRAG_THRESHOLD     256U
533 #define MAX_FRAG_THRESHOLD     2346U
534 #define MAX_HT_DATA_FRAG_THRESHOLD 0x2000
535 
536 #define HT_AMSDU_SIZE_4K 3839
537 #define HT_AMSDU_SIZE_8K 7935
538 
539 /* Frame control field constants */
540 #define RTLLIB_FCTL_VERS		0x0003
541 #define RTLLIB_FCTL_FTYPE		0x000c
542 #define RTLLIB_FCTL_STYPE		0x00f0
543 #define RTLLIB_FCTL_FRAMETYPE	0x00fc
544 #define RTLLIB_FCTL_TODS		0x0100
545 #define RTLLIB_FCTL_FROMDS		0x0200
546 #define RTLLIB_FCTL_DSTODS		0x0300
547 #define RTLLIB_FCTL_MOREFRAGS	0x0400
548 #define RTLLIB_FCTL_RETRY		0x0800
549 #define RTLLIB_FCTL_PM		0x1000
550 #define RTLLIB_FCTL_MOREDATA		0x2000
551 #define RTLLIB_FCTL_WEP		0x4000
552 #define RTLLIB_FCTL_ORDER		0x8000
553 
554 #define RTLLIB_FTYPE_MGMT		0x0000
555 #define RTLLIB_FTYPE_CTL		0x0004
556 #define RTLLIB_FTYPE_DATA		0x0008
557 
558 /* management */
559 #define RTLLIB_STYPE_ASSOC_REQ	0x0000
560 #define RTLLIB_STYPE_ASSOC_RESP		0x0010
561 #define RTLLIB_STYPE_REASSOC_REQ	0x0020
562 #define RTLLIB_STYPE_REASSOC_RESP	0x0030
563 #define RTLLIB_STYPE_PROBE_REQ	0x0040
564 #define RTLLIB_STYPE_PROBE_RESP	0x0050
565 #define RTLLIB_STYPE_BEACON		0x0080
566 #define RTLLIB_STYPE_ATIM		0x0090
567 #define RTLLIB_STYPE_DISASSOC	0x00A0
568 #define RTLLIB_STYPE_AUTH		0x00B0
569 #define RTLLIB_STYPE_DEAUTH		0x00C0
570 #define RTLLIB_STYPE_MANAGE_ACT	0x00D0
571 
572 /* control */
573 #define RTLLIB_STYPE_PSPOLL		0x00A0
574 #define RTLLIB_STYPE_RTS		0x00B0
575 #define RTLLIB_STYPE_CTS		0x00C0
576 #define RTLLIB_STYPE_ACK		0x00D0
577 #define RTLLIB_STYPE_CFEND		0x00E0
578 #define RTLLIB_STYPE_CFENDACK	0x00F0
579 #define RTLLIB_STYPE_BLOCKACK   0x0094
580 
581 /* data */
582 #define RTLLIB_STYPE_DATA		0x0000
583 #define RTLLIB_STYPE_DATA_CFACK	0x0010
584 #define RTLLIB_STYPE_DATA_CFPOLL	0x0020
585 #define RTLLIB_STYPE_DATA_CFACKPOLL	0x0030
586 #define RTLLIB_STYPE_NULLFUNC	0x0040
587 #define RTLLIB_STYPE_CFACK		0x0050
588 #define RTLLIB_STYPE_CFPOLL		0x0060
589 #define RTLLIB_STYPE_CFACKPOLL	0x0070
590 #define RTLLIB_STYPE_QOS_DATA	0x0080
591 #define RTLLIB_STYPE_QOS_NULL	0x00C0
592 
593 #define RTLLIB_SCTL_FRAG		0x000F
594 #define RTLLIB_SCTL_SEQ		0xFFF0
595 
596 /* QOS control */
597 #define RTLLIB_QCTL_TID	      0x000F
598 
599 #define	FC_QOS_BIT					BIT7
600 #define IsDataFrame(pdu)	(((pdu[0] & 0x0C) == 0x08) ? true : false)
601 #define	IsLegacyDataFrame(pdu)	(IsDataFrame(pdu) && (!(pdu[0]&FC_QOS_BIT)))
602 #define IsQoSDataFrame(pframe)			\
603 	((*(u16 *)pframe&(RTLLIB_STYPE_QOS_DATA|RTLLIB_FTYPE_DATA)) ==	\
604 	(RTLLIB_STYPE_QOS_DATA|RTLLIB_FTYPE_DATA))
605 #define Frame_Order(pframe)     (*(u16 *)pframe&RTLLIB_FCTL_ORDER)
606 #define SN_LESS(a, b)		(((a-b)&0x800) != 0)
607 #define SN_EQUAL(a, b)	(a == b)
608 #define MAX_DEV_ADDR_SIZE 8
609 
610 enum act_category {
611 	ACT_CAT_QOS = 1,
612 	ACT_CAT_DLS = 2,
613 	ACT_CAT_BA  = 3,
614 	ACT_CAT_HT  = 7,
615 	ACT_CAT_WMM = 17,
616 };
617 
618 enum ts_action {
619 	ACT_ADDTSREQ = 0,
620 	ACT_ADDTSRSP = 1,
621 	ACT_DELTS    = 2,
622 	ACT_SCHEDULE = 3,
623 };
624 
625 enum ba_action {
626 	ACT_ADDBAREQ = 0,
627 	ACT_ADDBARSP = 1,
628 	ACT_DELBA    = 2,
629 };
630 
631 enum init_gain_op_type {
632 	IG_Backup = 0,
633 	IG_Restore,
634 	IG_Max
635 };
636 
637 enum led_ctl_mode {
638 	LED_CTL_POWER_ON = 1,
639 	LED_CTL_LINK = 2,
640 	LED_CTL_NO_LINK = 3,
641 	LED_CTL_TX = 4,
642 	LED_CTL_RX = 5,
643 	LED_CTL_SITE_SURVEY = 6,
644 	LED_CTL_POWER_OFF = 7,
645 	LED_CTL_START_TO_LINK = 8,
646 	LED_CTL_START_WPS = 9,
647 	LED_CTL_STOP_WPS = 10,
648 	LED_CTL_START_WPS_BOTTON = 11,
649 	LED_CTL_STOP_WPS_FAIL = 12,
650 	 LED_CTL_STOP_WPS_FAIL_OVERLAP = 13,
651 };
652 
653 enum rt_rf_type_def {
654 	RF_1T2R = 0,
655 	RF_2T4R,
656 	RF_2T2R,
657 	RF_1T1R,
658 	RF_2T2R_GREEN,
659 	RF_819X_MAX_TYPE
660 };
661 
662 enum wireless_mode {
663 	WIRELESS_MODE_UNKNOWN = 0x00,
664 	WIRELESS_MODE_A = 0x01,
665 	WIRELESS_MODE_B = 0x02,
666 	WIRELESS_MODE_G = 0x04,
667 	WIRELESS_MODE_AUTO = 0x08,
668 	WIRELESS_MODE_N_24G = 0x10,
669 	WIRELESS_MODE_N_5G = 0x20
670 };
671 
672 enum wireless_network_type {
673 	WIRELESS_11B = 1,
674 	WIRELESS_11G = 2,
675 	WIRELESS_11A = 4,
676 	WIRELESS_11N = 8
677 };
678 
679 #define OUI_SUBTYPE_WMM_INFO		0
680 #define OUI_SUBTYPE_WMM_PARAM	1
681 #define OUI_SUBTYPE_QOS_CAPABI	5
682 
683 /* debug macros */
684 extern u32 rtllib_debug_level;
685 #define RTLLIB_DEBUG(level, fmt, args...) \
686 do {								\
687 	if (rtllib_debug_level & (level))			\
688 		printk(KERN_DEBUG "rtllib: " fmt, ## args);	\
689 } while (0)
690 
691 #define RTLLIB_DEBUG_DATA(level, data, datalen)	\
692 	do {							\
693 		if ((rtllib_debug_level & (level)) == (level)) {	\
694 			printk(KERN_DEBUG "rtllib: %s()\n", __func__);	\
695 			print_hex_dump_bytes(KERN_DEBUG, DUMP_PREFIX_NONE, \
696 					     data, datalen); \
697 		}					\
698 	} while (0)
699 
700 /* To use the debug system;
701  *
702  * If you are defining a new debug classification, simply add it to the #define
703  * list here in the form of:
704  *
705  * #define RTLLIB_DL_xxxx VALUE
706  *
707  * shifting value to the left one bit from the previous entry.  xxxx should be
708  * the name of the classification (for example, WEP)
709  *
710  * You then need to either add a RTLLIB_xxxx_DEBUG() macro definition for your
711  * classification, or use RTLLIB_DEBUG(RTLLIB_DL_xxxx, ...) whenever you want
712  * to send output to that classification.
713  *
714  * To add your debug level to the list of levels seen when you perform
715  *
716  * % cat /proc/net/ipw/debug_level
717  *
718  * you simply need to add your entry to the ipw_debug_levels array.
719  */
720 
721 #define RTLLIB_DL_INFO	  (1<<0)
722 #define RTLLIB_DL_WX	    (1<<1)
723 #define RTLLIB_DL_SCAN	  (1<<2)
724 #define RTLLIB_DL_STATE	 (1<<3)
725 #define RTLLIB_DL_MGMT	  (1<<4)
726 #define RTLLIB_DL_FRAG	  (1<<5)
727 #define RTLLIB_DL_EAP	   (1<<6)
728 #define RTLLIB_DL_DROP	  (1<<7)
729 
730 #define RTLLIB_DL_TX	    (1<<8)
731 #define RTLLIB_DL_RX	    (1<<9)
732 
733 #define RTLLIB_DL_HT		   (1<<10)
734 #define RTLLIB_DL_BA		   (1<<11)
735 #define RTLLIB_DL_TS		   (1<<12)
736 #define RTLLIB_DL_QOS	   (1<<13)
737 #define RTLLIB_DL_REORDER	   (1<<14)
738 #define RTLLIB_DL_IOT	   (1<<15)
739 #define RTLLIB_DL_IPS	   (1<<16)
740 #define RTLLIB_DL_TRACE	   (1<<29)
741 #define RTLLIB_DL_DATA	   (1<<30)
742 #define RTLLIB_DL_ERR	   (1<<31)
743 #define RTLLIB_ERROR(f, a...) pr_err("rtllib: " f, ## a)
744 #define RTLLIB_WARNING(f, a...) pr_warn("rtllib: " f, ## a)
745 #define RTLLIB_DEBUG_INFO(f, a...)   RTLLIB_DEBUG(RTLLIB_DL_INFO, f, ## a)
746 
747 #define RTLLIB_DEBUG_WX(f, a...)     RTLLIB_DEBUG(RTLLIB_DL_WX, f, ## a)
748 #define RTLLIB_DEBUG_SCAN(f, a...)   RTLLIB_DEBUG(RTLLIB_DL_SCAN, f, ## a)
749 #define RTLLIB_DEBUG_STATE(f, a...)  RTLLIB_DEBUG(RTLLIB_DL_STATE, f, ## a)
750 #define RTLLIB_DEBUG_MGMT(f, a...)  RTLLIB_DEBUG(RTLLIB_DL_MGMT, f, ## a)
751 #define RTLLIB_DEBUG_FRAG(f, a...)  RTLLIB_DEBUG(RTLLIB_DL_FRAG, f, ## a)
752 #define RTLLIB_DEBUG_EAP(f, a...)  RTLLIB_DEBUG(RTLLIB_DL_EAP, f, ## a)
753 #define RTLLIB_DEBUG_DROP(f, a...)  RTLLIB_DEBUG(RTLLIB_DL_DROP, f, ## a)
754 #define RTLLIB_DEBUG_TX(f, a...)  RTLLIB_DEBUG(RTLLIB_DL_TX, f, ## a)
755 #define RTLLIB_DEBUG_RX(f, a...)  RTLLIB_DEBUG(RTLLIB_DL_RX, f, ## a)
756 #define RTLLIB_DEBUG_QOS(f, a...)  RTLLIB_DEBUG(RTLLIB_DL_QOS, f, ## a)
757 
758 #ifndef ETH_P_PAE
759 #define ETH_P_PAE 0x888E /* Port Access Entity (IEEE 802.1X) */
760 #define ETH_P_IP	0x0800		/* Internet Protocol packet	*/
761 #define ETH_P_ARP	0x0806		/* Address Resolution packet	*/
762 #endif /* ETH_P_PAE */
763 
764 #define ETH_P_PREAUTH 0x88C7 /* IEEE 802.11i pre-authentication */
765 
766 #ifndef ETH_P_80211_RAW
767 #define ETH_P_80211_RAW (ETH_P_ECONET + 1)
768 #endif
769 
770 /* IEEE 802.11 defines */
771 
772 #define P80211_OUI_LEN 3
773 
774 struct rtllib_snap_hdr {
775 
776 	u8    dsap;   /* always 0xAA */
777 	u8    ssap;   /* always 0xAA */
778 	u8    ctrl;   /* always 0x03 */
779 	u8    oui[P80211_OUI_LEN];    /* organizational universal id */
780 
781 } __packed;
782 
783 enum _REG_PREAMBLE_MODE {
784 	PREAMBLE_LONG = 1,
785 	PREAMBLE_AUTO = 2,
786 	PREAMBLE_SHORT = 3,
787 };
788 
789 #define SNAP_SIZE sizeof(struct rtllib_snap_hdr)
790 
791 #define WLAN_FC_GET_VERS(fc) ((fc) & RTLLIB_FCTL_VERS)
792 #define WLAN_FC_GET_TYPE(fc) ((fc) & RTLLIB_FCTL_FTYPE)
793 #define WLAN_FC_GET_STYPE(fc) ((fc) & RTLLIB_FCTL_STYPE)
794 #define WLAN_FC_MORE_DATA(fc) ((fc) & RTLLIB_FCTL_MOREDATA)
795 
796 #define WLAN_FC_GET_FRAMETYPE(fc) ((fc) & RTLLIB_FCTL_FRAMETYPE)
797 #define WLAN_GET_SEQ_FRAG(seq) ((seq) & RTLLIB_SCTL_FRAG)
798 #define WLAN_GET_SEQ_SEQ(seq)  (((seq) & RTLLIB_SCTL_SEQ) >> 4)
799 
800 /* Authentication algorithms */
801 #define WLAN_AUTH_OPEN 0
802 #define WLAN_AUTH_SHARED_KEY 1
803 #define WLAN_AUTH_LEAP 128
804 
805 #define WLAN_AUTH_CHALLENGE_LEN 128
806 
807 #define WLAN_CAPABILITY_ESS (1<<0)
808 #define WLAN_CAPABILITY_IBSS (1<<1)
809 #define WLAN_CAPABILITY_CF_POLLABLE (1<<2)
810 #define WLAN_CAPABILITY_CF_POLL_REQUEST (1<<3)
811 #define WLAN_CAPABILITY_PRIVACY (1<<4)
812 #define WLAN_CAPABILITY_SHORT_PREAMBLE (1<<5)
813 #define WLAN_CAPABILITY_PBCC (1<<6)
814 #define WLAN_CAPABILITY_CHANNEL_AGILITY (1<<7)
815 #define WLAN_CAPABILITY_SPECTRUM_MGMT (1<<8)
816 #define WLAN_CAPABILITY_QOS (1<<9)
817 #define WLAN_CAPABILITY_SHORT_SLOT_TIME (1<<10)
818 #define WLAN_CAPABILITY_DSSS_OFDM (1<<13)
819 
820 /* 802.11g ERP information element */
821 #define WLAN_ERP_NON_ERP_PRESENT (1<<0)
822 #define WLAN_ERP_USE_PROTECTION (1<<1)
823 #define WLAN_ERP_BARKER_PREAMBLE (1<<2)
824 
825 #define RTLLIB_STATMASK_SIGNAL (1<<0)
826 #define RTLLIB_STATMASK_RSSI (1<<1)
827 #define RTLLIB_STATMASK_NOISE (1<<2)
828 #define RTLLIB_STATMASK_RATE (1<<3)
829 #define RTLLIB_STATMASK_WEMASK 0x7
830 
831 #define RTLLIB_CCK_MODULATION    (1<<0)
832 #define RTLLIB_OFDM_MODULATION   (1<<1)
833 
834 #define RTLLIB_24GHZ_BAND     (1<<0)
835 #define RTLLIB_52GHZ_BAND     (1<<1)
836 
837 #define RTLLIB_CCK_RATE_LEN		4
838 #define RTLLIB_CCK_RATE_1MB			0x02
839 #define RTLLIB_CCK_RATE_2MB			0x04
840 #define RTLLIB_CCK_RATE_5MB			0x0B
841 #define RTLLIB_CCK_RATE_11MB			0x16
842 #define RTLLIB_OFDM_RATE_LEN		8
843 #define RTLLIB_OFDM_RATE_6MB			0x0C
844 #define RTLLIB_OFDM_RATE_9MB			0x12
845 #define RTLLIB_OFDM_RATE_12MB		0x18
846 #define RTLLIB_OFDM_RATE_18MB		0x24
847 #define RTLLIB_OFDM_RATE_24MB		0x30
848 #define RTLLIB_OFDM_RATE_36MB		0x48
849 #define RTLLIB_OFDM_RATE_48MB		0x60
850 #define RTLLIB_OFDM_RATE_54MB		0x6C
851 #define RTLLIB_BASIC_RATE_MASK		0x80
852 
853 #define RTLLIB_CCK_RATE_1MB_MASK		(1<<0)
854 #define RTLLIB_CCK_RATE_2MB_MASK		(1<<1)
855 #define RTLLIB_CCK_RATE_5MB_MASK		(1<<2)
856 #define RTLLIB_CCK_RATE_11MB_MASK		(1<<3)
857 #define RTLLIB_OFDM_RATE_6MB_MASK		(1<<4)
858 #define RTLLIB_OFDM_RATE_9MB_MASK		(1<<5)
859 #define RTLLIB_OFDM_RATE_12MB_MASK		(1<<6)
860 #define RTLLIB_OFDM_RATE_18MB_MASK		(1<<7)
861 #define RTLLIB_OFDM_RATE_24MB_MASK		(1<<8)
862 #define RTLLIB_OFDM_RATE_36MB_MASK		(1<<9)
863 #define RTLLIB_OFDM_RATE_48MB_MASK		(1<<10)
864 #define RTLLIB_OFDM_RATE_54MB_MASK		(1<<11)
865 
866 #define RTLLIB_CCK_RATES_MASK		0x0000000F
867 #define RTLLIB_CCK_BASIC_RATES_MASK	(RTLLIB_CCK_RATE_1MB_MASK | \
868 	RTLLIB_CCK_RATE_2MB_MASK)
869 #define RTLLIB_CCK_DEFAULT_RATES_MASK	(RTLLIB_CCK_BASIC_RATES_MASK | \
870 	RTLLIB_CCK_RATE_5MB_MASK | \
871 	RTLLIB_CCK_RATE_11MB_MASK)
872 
873 #define RTLLIB_OFDM_RATES_MASK		0x00000FF0
874 #define RTLLIB_OFDM_BASIC_RATES_MASK	(RTLLIB_OFDM_RATE_6MB_MASK | \
875 	RTLLIB_OFDM_RATE_12MB_MASK | \
876 	RTLLIB_OFDM_RATE_24MB_MASK)
877 #define RTLLIB_OFDM_DEFAULT_RATES_MASK	(RTLLIB_OFDM_BASIC_RATES_MASK | \
878 	RTLLIB_OFDM_RATE_9MB_MASK  | \
879 	RTLLIB_OFDM_RATE_18MB_MASK | \
880 	RTLLIB_OFDM_RATE_36MB_MASK | \
881 	RTLLIB_OFDM_RATE_48MB_MASK | \
882 	RTLLIB_OFDM_RATE_54MB_MASK)
883 #define RTLLIB_DEFAULT_RATES_MASK (RTLLIB_OFDM_DEFAULT_RATES_MASK | \
884 				RTLLIB_CCK_DEFAULT_RATES_MASK)
885 
886 #define RTLLIB_NUM_OFDM_RATES	    8
887 #define RTLLIB_NUM_CCK_RATES		    4
888 #define RTLLIB_OFDM_SHIFT_MASK_A	 4
889 
890 
891 /* this is stolen and modified from the madwifi driver*/
892 #define RTLLIB_FC0_TYPE_MASK		0x0c
893 #define RTLLIB_FC0_TYPE_DATA		0x08
894 #define RTLLIB_FC0_SUBTYPE_MASK	0xB0
895 #define RTLLIB_FC0_SUBTYPE_QOS	0x80
896 
897 #define RTLLIB_QOS_HAS_SEQ(fc) \
898 	(((fc) & (RTLLIB_FC0_TYPE_MASK | RTLLIB_FC0_SUBTYPE_MASK)) == \
899 	 (RTLLIB_FC0_TYPE_DATA | RTLLIB_FC0_SUBTYPE_QOS))
900 
901 /* this is stolen from ipw2200 driver */
902 #define IEEE_IBSS_MAC_HASH_SIZE 31
903 struct ieee_ibss_seq {
904 	u8 mac[ETH_ALEN];
905 	u16 seq_num[17];
906 	u16 frag_num[17];
907 	unsigned long packet_time[17];
908 	struct list_head list;
909 };
910 
911 /* NOTE: This data is for statistical purposes; not all hardware provides this
912  *       information for frames received.  Not setting these will not cause
913  *       any adverse affects. */
914 struct rtllib_rx_stats {
915 	u64 mac_time;
916 	s8  rssi;
917 	u8  signal;
918 	u8  noise;
919 	u16 rate; /* in 100 kbps */
920 	u8  received_channel;
921 	u8  control;
922 	u8  mask;
923 	u8  freq;
924 	u16 len;
925 	u64 tsf;
926 	u32 beacon_time;
927 	u8  nic_type;
928 	u16 Length;
929 	u8  SignalQuality;
930 	s32 RecvSignalPower;
931 	s8  RxPower;
932 	u8  SignalStrength;
933 	u16 bHwError:1;
934 	u16 bCRC:1;
935 	u16 bICV:1;
936 	u16 bShortPreamble:1;
937 	u16 Antenna:1;
938 	u16 Decrypted:1;
939 	u16 Wakeup:1;
940 	u16 Reserved0:1;
941 	u8  AGC;
942 	u32 TimeStampLow;
943 	u32 TimeStampHigh;
944 	bool bShift;
945 	bool bIsQosData;
946 	u8   UserPriority;
947 
948 	u8    RxDrvInfoSize;
949 	u8    RxBufShift;
950 	bool  bIsAMPDU;
951 	bool  bFirstMPDU;
952 	bool  bContainHTC;
953 	bool  RxIs40MHzPacket;
954 	u32   RxPWDBAll;
955 	u8    RxMIMOSignalStrength[4];
956 	s8    RxMIMOSignalQuality[2];
957 	bool  bPacketMatchBSSID;
958 	bool  bIsCCK;
959 	bool  bPacketToSelf;
960 	u8 *virtual_address;
961 	u16    packetlength;
962 	u16    fraglength;
963 	u16    fragoffset;
964 	u16    ntotalfrag;
965 	bool   bisrxaggrsubframe;
966 	bool   bPacketBeacon;
967 	bool   bToSelfBA;
968 	char   cck_adc_pwdb[4];
969 	u16    Seq_Num;
970 	u8     nTotalAggPkt;
971 };
972 
973 /* IEEE 802.11 requires that STA supports concurrent reception of at least
974  * three fragmented frames. This define can be increased to support more
975  * concurrent frames, but it should be noted that each entry can consume about
976  * 2 kB of RAM and increasing cache size will slow down frame reassembly.
977  */
978 #define RTLLIB_FRAG_CACHE_LEN 4
979 
980 struct rtllib_frag_entry {
981 	unsigned long first_frag_time;
982 	unsigned int seq;
983 	unsigned int last_frag;
984 	struct sk_buff *skb;
985 	u8 src_addr[ETH_ALEN];
986 	u8 dst_addr[ETH_ALEN];
987 };
988 
989 struct rtllib_stats {
990 	unsigned int tx_unicast_frames;
991 	unsigned int tx_multicast_frames;
992 	unsigned int tx_fragments;
993 	unsigned int tx_unicast_octets;
994 	unsigned int tx_multicast_octets;
995 	unsigned int tx_deferred_transmissions;
996 	unsigned int tx_single_retry_frames;
997 	unsigned int tx_multiple_retry_frames;
998 	unsigned int tx_retry_limit_exceeded;
999 	unsigned int tx_discards;
1000 	unsigned int rx_unicast_frames;
1001 	unsigned int rx_multicast_frames;
1002 	unsigned int rx_fragments;
1003 	unsigned int rx_unicast_octets;
1004 	unsigned int rx_multicast_octets;
1005 	unsigned int rx_fcs_errors;
1006 	unsigned int rx_discards_no_buffer;
1007 	unsigned int tx_discards_wrong_sa;
1008 	unsigned int rx_discards_undecryptable;
1009 	unsigned int rx_message_in_msg_fragments;
1010 	unsigned int rx_message_in_bad_msg_fragments;
1011 };
1012 
1013 struct rtllib_device;
1014 
1015 #define SEC_KEY_1	 (1<<0)
1016 #define SEC_KEY_2	 (1<<1)
1017 #define SEC_KEY_3	 (1<<2)
1018 #define SEC_KEY_4	 (1<<3)
1019 #define SEC_ACTIVE_KEY    (1<<4)
1020 #define SEC_AUTH_MODE     (1<<5)
1021 #define SEC_UNICAST_GROUP (1<<6)
1022 #define SEC_LEVEL	 (1<<7)
1023 #define SEC_ENABLED       (1<<8)
1024 #define SEC_ENCRYPT       (1<<9)
1025 
1026 #define SEC_LEVEL_0      0 /* None */
1027 #define SEC_LEVEL_1      1 /* WEP 40 and 104 bit */
1028 #define SEC_LEVEL_2      2 /* Level 1 + TKIP */
1029 #define SEC_LEVEL_2_CKIP 3 /* Level 1 + CKIP */
1030 #define SEC_LEVEL_3      4 /* Level 2 + CCMP */
1031 
1032 #define SEC_ALG_NONE		0
1033 #define SEC_ALG_WEP		1
1034 #define SEC_ALG_TKIP		2
1035 #define SEC_ALG_CCMP		4
1036 
1037 #define WEP_KEY_LEN		13
1038 #define SCM_KEY_LEN		32
1039 #define SCM_TEMPORAL_KEY_LENGTH 16
1040 
1041 struct rtllib_security {
1042 	u16 active_key:2,
1043 	    enabled:1,
1044 	    auth_mode:2,
1045 	    auth_algo:4,
1046 	    unicast_uses_group:1,
1047 	    encrypt:1;
1048 	u8 key_sizes[NUM_WEP_KEYS];
1049 	u8 keys[NUM_WEP_KEYS][SCM_KEY_LEN];
1050 	u8 level;
1051 	u16 flags;
1052 } __packed;
1053 
1054 
1055 /* 802.11 data frame from AP
1056  *       ,-------------------------------------------------------------------.
1057  * Bytes |  2   |  2   |    6    |    6    |    6    |  2   | 0..2312 |   4  |
1058  *       |------|------|---------|---------|---------|------|---------|------|
1059  * Desc. | ctrl | dura |  DA/RA  |   TA    |    SA   | Sequ |  frame  |  fcs |
1060  *       |      | tion | (BSSID) |         |         | ence |  data   |      |
1061  *       `-------------------------------------------------------------------'
1062  * Total: 28-2340 bytes
1063  */
1064 
1065 /* Management Frame Information Element Types */
1066 enum rtllib_mfie {
1067 	MFIE_TYPE_SSID = 0,
1068 	MFIE_TYPE_RATES = 1,
1069 	MFIE_TYPE_FH_SET = 2,
1070 	MFIE_TYPE_DS_SET = 3,
1071 	MFIE_TYPE_CF_SET = 4,
1072 	MFIE_TYPE_TIM = 5,
1073 	MFIE_TYPE_IBSS_SET = 6,
1074 	MFIE_TYPE_COUNTRY = 7,
1075 	MFIE_TYPE_HOP_PARAMS = 8,
1076 	MFIE_TYPE_HOP_TABLE = 9,
1077 	MFIE_TYPE_REQUEST = 10,
1078 	MFIE_TYPE_CHALLENGE = 16,
1079 	MFIE_TYPE_POWER_CONSTRAINT = 32,
1080 	MFIE_TYPE_POWER_CAPABILITY = 33,
1081 	MFIE_TYPE_TPC_REQUEST = 34,
1082 	MFIE_TYPE_TPC_REPORT = 35,
1083 	MFIE_TYPE_SUPP_CHANNELS = 36,
1084 	MFIE_TYPE_CSA = 37,
1085 	MFIE_TYPE_MEASURE_REQUEST = 38,
1086 	MFIE_TYPE_MEASURE_REPORT = 39,
1087 	MFIE_TYPE_QUIET = 40,
1088 	MFIE_TYPE_IBSS_DFS = 41,
1089 	MFIE_TYPE_ERP = 42,
1090 	MFIE_TYPE_HT_CAP = 45,
1091 	MFIE_TYPE_RSN = 48,
1092 	MFIE_TYPE_RATES_EX = 50,
1093 	MFIE_TYPE_HT_INFO = 61,
1094 	MFIE_TYPE_AIRONET = 133,
1095 	MFIE_TYPE_GENERIC = 221,
1096 	MFIE_TYPE_QOS_PARAMETER = 222,
1097 };
1098 
1099 /* Minimal header; can be used for passing 802.11 frames with sufficient
1100  * information to determine what type of underlying data type is actually
1101  * stored in the data.
1102  */
1103 struct rtllib_pspoll_hdr {
1104 	__le16 frame_ctl;
1105 	__le16 aid;
1106 	u8 bssid[ETH_ALEN];
1107 	u8 ta[ETH_ALEN];
1108 } __packed;
1109 
1110 struct rtllib_hdr {
1111 	__le16 frame_ctl;
1112 	__le16 duration_id;
1113 	u8 payload[0];
1114 } __packed;
1115 
1116 struct rtllib_hdr_1addr {
1117 	__le16 frame_ctl;
1118 	__le16 duration_id;
1119 	u8 addr1[ETH_ALEN];
1120 	u8 payload[0];
1121 } __packed;
1122 
1123 struct rtllib_hdr_2addr {
1124 	__le16 frame_ctl;
1125 	__le16 duration_id;
1126 	u8 addr1[ETH_ALEN];
1127 	u8 addr2[ETH_ALEN];
1128 	u8 payload[0];
1129 } __packed;
1130 
1131 struct rtllib_hdr_3addr {
1132 	__le16 frame_ctl;
1133 	__le16 duration_id;
1134 	u8 addr1[ETH_ALEN];
1135 	u8 addr2[ETH_ALEN];
1136 	u8 addr3[ETH_ALEN];
1137 	__le16 seq_ctl;
1138 	u8 payload[0];
1139 } __packed;
1140 
1141 struct rtllib_hdr_4addr {
1142 	__le16 frame_ctl;
1143 	__le16 duration_id;
1144 	u8 addr1[ETH_ALEN];
1145 	u8 addr2[ETH_ALEN];
1146 	u8 addr3[ETH_ALEN];
1147 	__le16 seq_ctl;
1148 	u8 addr4[ETH_ALEN];
1149 	u8 payload[0];
1150 } __packed;
1151 
1152 struct rtllib_hdr_3addrqos {
1153 	__le16 frame_ctl;
1154 	__le16 duration_id;
1155 	u8 addr1[ETH_ALEN];
1156 	u8 addr2[ETH_ALEN];
1157 	u8 addr3[ETH_ALEN];
1158 	__le16 seq_ctl;
1159 	__le16 qos_ctl;
1160 	u8 payload[0];
1161 } __packed;
1162 
1163 struct rtllib_hdr_4addrqos {
1164 	__le16 frame_ctl;
1165 	__le16 duration_id;
1166 	u8 addr1[ETH_ALEN];
1167 	u8 addr2[ETH_ALEN];
1168 	u8 addr3[ETH_ALEN];
1169 	__le16 seq_ctl;
1170 	u8 addr4[ETH_ALEN];
1171 	__le16 qos_ctl;
1172 	u8 payload[0];
1173 } __packed;
1174 
1175 struct rtllib_info_element {
1176 	u8 id;
1177 	u8 len;
1178 	u8 data[0];
1179 } __packed;
1180 
1181 struct rtllib_authentication {
1182 	struct rtllib_hdr_3addr header;
1183 	__le16 algorithm;
1184 	__le16 transaction;
1185 	__le16 status;
1186 	/*challenge*/
1187 	struct rtllib_info_element info_element[0];
1188 } __packed;
1189 
1190 struct rtllib_disauth {
1191 	struct rtllib_hdr_3addr header;
1192 	__le16 reason;
1193 } __packed;
1194 
1195 struct rtllib_disassoc {
1196 	struct rtllib_hdr_3addr header;
1197 	__le16 reason;
1198 } __packed;
1199 
1200 struct rtllib_probe_request {
1201 	struct rtllib_hdr_3addr header;
1202 	/* SSID, supported rates */
1203 	struct rtllib_info_element info_element[0];
1204 } __packed;
1205 
1206 struct rtllib_probe_response {
1207 	struct rtllib_hdr_3addr header;
1208 	u32 time_stamp[2];
1209 	__le16 beacon_interval;
1210 	__le16 capability;
1211 	/* SSID, supported rates, FH params, DS params,
1212 	 * CF params, IBSS params, TIM (if beacon), RSN
1213 	 */
1214 	struct rtllib_info_element info_element[0];
1215 } __packed;
1216 
1217 /* Alias beacon for probe_response */
1218 #define rtllib_beacon rtllib_probe_response
1219 
1220 struct rtllib_assoc_request_frame {
1221 	struct rtllib_hdr_3addr header;
1222 	__le16 capability;
1223 	__le16 listen_interval;
1224 	/* SSID, supported rates, RSN */
1225 	struct rtllib_info_element info_element[0];
1226 } __packed;
1227 
1228 struct rtllib_reassoc_request_frame {
1229 	struct rtllib_hdr_3addr header;
1230 	__le16 capability;
1231 	__le16 listen_interval;
1232 	u8 current_ap[ETH_ALEN];
1233 	/* SSID, supported rates, RSN */
1234 	struct rtllib_info_element info_element[0];
1235 } __packed;
1236 
1237 struct rtllib_assoc_response_frame {
1238 	struct rtllib_hdr_3addr header;
1239 	__le16 capability;
1240 	__le16 status;
1241 	__le16 aid;
1242 	struct rtllib_info_element info_element[0]; /* supported rates */
1243 } __packed;
1244 
1245 struct rtllib_txb {
1246 	u8 nr_frags;
1247 	u8 encrypted;
1248 	u8 queue_index;
1249 	u8 rts_included;
1250 	u16 reserved;
1251 	__le16 frag_size;
1252 	__le16 payload_size;
1253 	struct sk_buff *fragments[0];
1254 };
1255 
1256 #define MAX_TX_AGG_COUNT		  16
1257 struct rtllib_drv_agg_txb {
1258 	u8 nr_drv_agg_frames;
1259 	struct sk_buff *tx_agg_frames[MAX_TX_AGG_COUNT];
1260 } __packed;
1261 
1262 #define MAX_SUBFRAME_COUNT		  64
1263 struct rtllib_rxb {
1264 	u8 nr_subframes;
1265 	struct sk_buff *subframes[MAX_SUBFRAME_COUNT];
1266 	u8 dst[ETH_ALEN];
1267 	u8 src[ETH_ALEN];
1268 } __packed;
1269 
1270 union frameqos {
1271 	u16 shortdata;
1272 	u8  chardata[2];
1273 	struct {
1274 		u16 tid:4;
1275 		u16 eosp:1;
1276 		u16 ack_policy:2;
1277 		u16 reserved:1;
1278 		u16 txop:8;
1279 	} field;
1280 };
1281 
1282 /* SWEEP TABLE ENTRIES NUMBER*/
1283 #define MAX_SWEEP_TAB_ENTRIES		  42
1284 #define MAX_SWEEP_TAB_ENTRIES_PER_PACKET  7
1285 /* MAX_RATES_LENGTH needs to be 12.  The spec says 8, and many APs
1286  * only use 8, and then use extended rates for the remaining supported
1287  * rates.  Other APs, however, stick all of their supported rates on the
1288  * main rates information element...
1289  */
1290 #define MAX_RATES_LENGTH		  ((u8)12)
1291 #define MAX_RATES_EX_LENGTH	       ((u8)16)
1292 #define MAX_NETWORK_COUNT		  96
1293 
1294 #define MAX_CHANNEL_NUMBER		 161
1295 #define RTLLIB_SOFTMAC_SCAN_TIME	   100
1296 #define RTLLIB_SOFTMAC_ASSOC_RETRY_TIME (HZ * 2)
1297 
1298 #define CRC_LENGTH		 4U
1299 
1300 #define MAX_WPA_IE_LEN 64
1301 #define MAX_WZC_IE_LEN 256
1302 
1303 #define NETWORK_EMPTY_ESSID (1<<0)
1304 #define NETWORK_HAS_OFDM    (1<<1)
1305 #define NETWORK_HAS_CCK     (1<<2)
1306 
1307 /* QoS structure */
1308 #define NETWORK_HAS_QOS_PARAMETERS      (1<<3)
1309 #define NETWORK_HAS_QOS_INFORMATION     (1<<4)
1310 #define NETWORK_HAS_QOS_MASK	    (NETWORK_HAS_QOS_PARAMETERS | \
1311 					 NETWORK_HAS_QOS_INFORMATION)
1312 /* 802.11h */
1313 #define NETWORK_HAS_POWER_CONSTRAINT    (1<<5)
1314 #define NETWORK_HAS_CSA		 (1<<6)
1315 #define NETWORK_HAS_QUIET	       (1<<7)
1316 #define NETWORK_HAS_IBSS_DFS	    (1<<8)
1317 #define NETWORK_HAS_TPC_REPORT	  (1<<9)
1318 
1319 #define NETWORK_HAS_ERP_VALUE	   (1<<10)
1320 
1321 #define QOS_QUEUE_NUM		   4
1322 #define QOS_OUI_LEN		     3
1323 #define QOS_OUI_TYPE		    2
1324 #define QOS_ELEMENT_ID		  221
1325 #define QOS_OUI_INFO_SUB_TYPE	   0
1326 #define QOS_OUI_PARAM_SUB_TYPE	  1
1327 #define QOS_VERSION_1		   1
1328 #define QOS_AIFSN_MIN_VALUE	     2
1329 
1330 struct rtllib_qos_information_element {
1331 	u8 elementID;
1332 	u8 length;
1333 	u8 qui[QOS_OUI_LEN];
1334 	u8 qui_type;
1335 	u8 qui_subtype;
1336 	u8 version;
1337 	u8 ac_info;
1338 } __packed;
1339 
1340 struct rtllib_qos_ac_parameter {
1341 	u8 aci_aifsn;
1342 	u8 ecw_min_max;
1343 	__le16 tx_op_limit;
1344 } __packed;
1345 
1346 struct rtllib_qos_parameter_info {
1347 	struct rtllib_qos_information_element info_element;
1348 	u8 reserved;
1349 	struct rtllib_qos_ac_parameter ac_params_record[QOS_QUEUE_NUM];
1350 } __packed;
1351 
1352 struct rtllib_qos_parameters {
1353 	__le16 cw_min[QOS_QUEUE_NUM];
1354 	__le16 cw_max[QOS_QUEUE_NUM];
1355 	u8 aifs[QOS_QUEUE_NUM];
1356 	u8 flag[QOS_QUEUE_NUM];
1357 	__le16 tx_op_limit[QOS_QUEUE_NUM];
1358 } __packed;
1359 
1360 struct rtllib_qos_data {
1361 	struct rtllib_qos_parameters parameters;
1362 	unsigned int wmm_acm;
1363 	int active;
1364 	int supported;
1365 	u8 param_count;
1366 	u8 old_param_count;
1367 };
1368 
1369 struct rtllib_tim_parameters {
1370 	u8 tim_count;
1371 	u8 tim_period;
1372 } __packed;
1373 
1374 struct rtllib_wmm_ac_param {
1375 	u8 ac_aci_acm_aifsn;
1376 	u8 ac_ecwmin_ecwmax;
1377 	u16 ac_txop_limit;
1378 };
1379 
1380 struct rtllib_wmm_ts_info {
1381 	u8 ac_dir_tid;
1382 	u8 ac_up_psb;
1383 	u8 reserved;
1384 } __packed;
1385 
1386 struct rtllib_wmm_tspec_elem {
1387 	struct rtllib_wmm_ts_info ts_info;
1388 	u16 norm_msdu_size;
1389 	u16 max_msdu_size;
1390 	u32 min_serv_inter;
1391 	u32 max_serv_inter;
1392 	u32 inact_inter;
1393 	u32 suspen_inter;
1394 	u32 serv_start_time;
1395 	u32 min_data_rate;
1396 	u32 mean_data_rate;
1397 	u32 peak_data_rate;
1398 	u32 max_burst_size;
1399 	u32 delay_bound;
1400 	u32 min_phy_rate;
1401 	u16 surp_band_allow;
1402 	u16 medium_time;
1403 } __packed;
1404 
1405 enum eap_type {
1406 	EAP_PACKET = 0,
1407 	EAPOL_START,
1408 	EAPOL_LOGOFF,
1409 	EAPOL_KEY,
1410 	EAPOL_ENCAP_ASF_ALERT
1411 };
1412 
1413 static const char * const eap_types[] = {
1414 	[EAP_PACKET]		= "EAP-Packet",
1415 	[EAPOL_START]		= "EAPOL-Start",
1416 	[EAPOL_LOGOFF]		= "EAPOL-Logoff",
1417 	[EAPOL_KEY]		= "EAPOL-Key",
1418 	[EAPOL_ENCAP_ASF_ALERT]	= "EAPOL-Encap-ASF-Alert"
1419 };
1420 
eap_get_type(int type)1421 static inline const char *eap_get_type(int type)
1422 {
1423 	return ((u32)type >= ARRAY_SIZE(eap_types)) ? "Unknown" :
1424 		 eap_types[type];
1425 }
Frame_QoSTID(u8 * buf)1426 static inline u8 Frame_QoSTID(u8 *buf)
1427 {
1428 	struct rtllib_hdr_3addr *hdr;
1429 	u16 fc;
1430 
1431 	hdr = (struct rtllib_hdr_3addr *)buf;
1432 	fc = le16_to_cpu(hdr->frame_ctl);
1433 	return (u8)((union frameqos *)(buf + (((fc & RTLLIB_FCTL_TODS) &&
1434 		    (fc & RTLLIB_FCTL_FROMDS)) ? 30 : 24)))->field.tid;
1435 }
1436 
1437 
1438 struct eapol {
1439 	u8 snap[6];
1440 	u16 ethertype;
1441 	u8 version;
1442 	u8 type;
1443 	u16 length;
1444 } __packed;
1445 
1446 struct rtllib_softmac_stats {
1447 	unsigned int rx_ass_ok;
1448 	unsigned int rx_ass_err;
1449 	unsigned int rx_probe_rq;
1450 	unsigned int tx_probe_rs;
1451 	unsigned int tx_beacons;
1452 	unsigned int rx_auth_rq;
1453 	unsigned int rx_auth_rs_ok;
1454 	unsigned int rx_auth_rs_err;
1455 	unsigned int tx_auth_rq;
1456 	unsigned int no_auth_rs;
1457 	unsigned int no_ass_rs;
1458 	unsigned int tx_ass_rq;
1459 	unsigned int rx_ass_rq;
1460 	unsigned int tx_probe_rq;
1461 	unsigned int reassoc;
1462 	unsigned int swtxstop;
1463 	unsigned int swtxawake;
1464 	unsigned char CurrentShowTxate;
1465 	unsigned char last_packet_rate;
1466 	unsigned int txretrycount;
1467 };
1468 
1469 #define BEACON_PROBE_SSID_ID_POSITION 12
1470 
1471 struct rtllib_info_element_hdr {
1472 	u8 id;
1473 	u8 len;
1474 } __packed;
1475 
1476 /* These are the data types that can make up management packets
1477  *
1478  * u16 auth_algorithm;
1479  * u16 auth_sequence;
1480  * u16 beacon_interval;
1481  * u16 capability;
1482  * u8 current_ap[ETH_ALEN];
1483  * u16 listen_interval;
1484  * struct {
1485  *   u16 association_id:14, reserved:2;
1486  * } __packed;
1487  * u32 time_stamp[2];
1488  * u16 reason;
1489  * u16 status;
1490  */
1491 
1492 #define RTLLIB_DEFAULT_TX_ESSID "Penguin"
1493 #define RTLLIB_DEFAULT_BASIC_RATE 2
1494 
1495 enum {WMM_all_frame, WMM_two_frame, WMM_four_frame, WMM_six_frame};
1496 #define MAX_SP_Len  (WMM_all_frame << 4)
1497 #define RTLLIB_QOS_TID 0x0f
1498 #define QOS_CTL_NOTCONTAIN_ACK (0x01 << 5)
1499 
1500 #define RTLLIB_DTIM_MBCAST 4
1501 #define RTLLIB_DTIM_UCAST 2
1502 #define RTLLIB_DTIM_VALID 1
1503 #define RTLLIB_DTIM_INVALID 0
1504 
1505 #define RTLLIB_PS_DISABLED 0
1506 #define RTLLIB_PS_UNICAST RTLLIB_DTIM_UCAST
1507 #define RTLLIB_PS_MBCAST RTLLIB_DTIM_MBCAST
1508 
1509 #define WME_AC_BK   0x00
1510 #define WME_AC_BE   0x01
1511 #define WME_AC_VI   0x02
1512 #define WME_AC_VO   0x03
1513 #define WME_ACI_MASK 0x03
1514 #define WME_AIFSN_MASK 0x03
1515 #define WME_AC_PRAM_LEN 16
1516 
1517 #define MAX_RECEIVE_BUFFER_SIZE 9100
1518 
1519 #define UP2AC(up) (		   \
1520 	((up) < 1) ? WME_AC_BE : \
1521 	((up) < 3) ? WME_AC_BK : \
1522 	((up) < 4) ? WME_AC_BE : \
1523 	((up) < 6) ? WME_AC_VI : \
1524 	WME_AC_VO)
1525 
1526 #define AC2UP(_ac)	(       \
1527 	((_ac) == WME_AC_VO) ? 6 : \
1528 	((_ac) == WME_AC_VI) ? 5 : \
1529 	((_ac) == WME_AC_BK) ? 1 : \
1530 	0)
1531 
1532 #define	ETHER_ADDR_LEN		6	/* length of an Ethernet address */
1533 #define ETHERNET_HEADER_SIZE    14      /* length of two Ethernet address
1534 					 * plus ether type*/
1535 
1536 struct	ether_header {
1537 	u8 ether_dhost[ETHER_ADDR_LEN];
1538 	u8 ether_shost[ETHER_ADDR_LEN];
1539 	u16 ether_type;
1540 } __packed;
1541 
1542 #ifndef ETHERTYPE_PAE
1543 #define	ETHERTYPE_PAE	0x888e		/* EAPOL PAE/802.1x */
1544 #endif
1545 #ifndef ETHERTYPE_IP
1546 #define	ETHERTYPE_IP	0x0800		/* IP protocol */
1547 #endif
1548 
1549 
1550 enum erp_t {
1551 	ERP_NonERPpresent	= 0x01,
1552 	ERP_UseProtection	= 0x02,
1553 	ERP_BarkerPreambleMode = 0x04,
1554 };
1555 
1556 struct rtllib_network {
1557 	/* These entries are used to identify a unique network */
1558 	u8 bssid[ETH_ALEN];
1559 	u8 channel;
1560 	/* Ensure null-terminated for any debug msgs */
1561 	u8 ssid[IW_ESSID_MAX_SIZE + 1];
1562 	u8 ssid_len;
1563 	u8 hidden_ssid[IW_ESSID_MAX_SIZE + 1];
1564 	u8 hidden_ssid_len;
1565 	struct rtllib_qos_data qos_data;
1566 
1567 	bool	bWithAironetIE;
1568 	bool	bCkipSupported;
1569 	bool	bCcxRmEnable;
1570 	u16	CcxRmState[2];
1571 	bool	bMBssidValid;
1572 	u8	MBssidMask;
1573 	u8	MBssid[6];
1574 	bool	bWithCcxVerNum;
1575 	u8	BssCcxVerNumber;
1576 	/* These are network statistics */
1577 	struct rtllib_rx_stats stats;
1578 	u16 capability;
1579 	u8  rates[MAX_RATES_LENGTH];
1580 	u8  rates_len;
1581 	u8  rates_ex[MAX_RATES_EX_LENGTH];
1582 	u8  rates_ex_len;
1583 	unsigned long last_scanned;
1584 	u8  mode;
1585 	u32 flags;
1586 	u32 last_associate;
1587 	u32 time_stamp[2];
1588 	u16 beacon_interval;
1589 	u16 listen_interval;
1590 	u16 atim_window;
1591 	u8  erp_value;
1592 	u8  wpa_ie[MAX_WPA_IE_LEN];
1593 	size_t wpa_ie_len;
1594 	u8  rsn_ie[MAX_WPA_IE_LEN];
1595 	size_t rsn_ie_len;
1596 	u8  wzc_ie[MAX_WZC_IE_LEN];
1597 	size_t wzc_ie_len;
1598 
1599 	struct rtllib_tim_parameters tim;
1600 	u8  dtim_period;
1601 	u8  dtim_data;
1602 	u64 last_dtim_sta_time;
1603 
1604 	u8 wmm_info;
1605 	struct rtllib_wmm_ac_param wmm_param[4];
1606 	u8 Turbo_Enable;
1607 	u16 CountryIeLen;
1608 	u8 CountryIeBuf[MAX_IE_LEN];
1609 	struct bss_ht bssht;
1610 	bool broadcom_cap_exist;
1611 	bool realtek_cap_exit;
1612 	bool marvell_cap_exist;
1613 	bool ralink_cap_exist;
1614 	bool atheros_cap_exist;
1615 	bool cisco_cap_exist;
1616 	bool airgo_cap_exist;
1617 	bool unknown_cap_exist;
1618 	bool	berp_info_valid;
1619 	bool buseprotection;
1620 	bool bIsNetgear854T;
1621 	u8 SignalStrength;
1622 	u8 RSSI;
1623 	struct list_head list;
1624 };
1625 
1626 enum rtllib_state {
1627 
1628 	/* the card is not linked at all */
1629 	RTLLIB_NOLINK = 0,
1630 
1631 	/* RTLLIB_ASSOCIATING* are for BSS client mode
1632 	 * the driver shall not perform RX filtering unless
1633 	 * the state is LINKED.
1634 	 * The driver shall just check for the state LINKED and
1635 	 * defaults to NOLINK for ALL the other states (including
1636 	 * LINKED_SCANNING)
1637 	 */
1638 
1639 	/* the association procedure will start (wq scheduling)*/
1640 	RTLLIB_ASSOCIATING,
1641 	RTLLIB_ASSOCIATING_RETRY,
1642 
1643 	/* the association procedure is sending AUTH request*/
1644 	RTLLIB_ASSOCIATING_AUTHENTICATING,
1645 
1646 	/* the association procedure has successfully authenticated
1647 	 * and is sending association request
1648 	 */
1649 	RTLLIB_ASSOCIATING_AUTHENTICATED,
1650 
1651 	/* the link is ok. the card associated to a BSS or linked
1652 	 * to a ibss cell or acting as an AP and creating the bss
1653 	 */
1654 	RTLLIB_LINKED,
1655 
1656 	/* same as LINKED, but the driver shall apply RX filter
1657 	 * rules as we are in NO_LINK mode. As the card is still
1658 	 * logically linked, but it is doing a syncro site survey
1659 	 * then it will be back to LINKED state.
1660 	 */
1661 	RTLLIB_LINKED_SCANNING,
1662 };
1663 
1664 #define DEFAULT_MAX_SCAN_AGE (15 * HZ)
1665 #define DEFAULT_FTS 2346
1666 
1667 #define CFG_RTLLIB_RESERVE_FCS (1<<0)
1668 #define CFG_RTLLIB_COMPUTE_FCS (1<<1)
1669 #define CFG_RTLLIB_RTS (1<<2)
1670 
1671 #define RTLLIB_24GHZ_MIN_CHANNEL 1
1672 #define RTLLIB_24GHZ_MAX_CHANNEL 14
1673 #define RTLLIB_24GHZ_CHANNELS (RTLLIB_24GHZ_MAX_CHANNEL - \
1674 				  RTLLIB_24GHZ_MIN_CHANNEL + 1)
1675 
1676 #define RTLLIB_52GHZ_MIN_CHANNEL 34
1677 #define RTLLIB_52GHZ_MAX_CHANNEL 165
1678 #define RTLLIB_52GHZ_CHANNELS (RTLLIB_52GHZ_MAX_CHANNEL - \
1679 				  RTLLIB_52GHZ_MIN_CHANNEL + 1)
1680 struct tx_pending {
1681 	int frag;
1682 	struct rtllib_txb *txb;
1683 };
1684 
1685 struct bandwidth_autoswitch {
1686 	long threshold_20Mhzto40Mhz;
1687 	long	threshold_40Mhzto20Mhz;
1688 	bool bforced_tx20Mhz;
1689 	bool bautoswitch_enable;
1690 };
1691 
1692 
1693 
1694 #define REORDER_WIN_SIZE	128
1695 #define REORDER_ENTRY_NUM	128
1696 struct rx_reorder_entry {
1697 	struct list_head	List;
1698 	u16			SeqNum;
1699 	struct rtllib_rxb *prxb;
1700 };
1701 enum fsync_state {
1702 	Default_Fsync,
1703 	HW_Fsync,
1704 	SW_Fsync
1705 };
1706 
1707 enum rt_ps_mode {
1708 	eActive,
1709 	eMaxPs,
1710 	eFastPs,
1711 	eAutoPs,
1712 };
1713 
1714 enum ips_callback_function {
1715 	IPS_CALLBACK_NONE = 0,
1716 	IPS_CALLBACK_MGNT_LINK_REQUEST = 1,
1717 	IPS_CALLBACK_JOIN_REQUEST = 2,
1718 };
1719 
1720 enum rt_join_action {
1721 	RT_JOIN_INFRA   = 1,
1722 	RT_JOIN_IBSS  = 2,
1723 	RT_START_IBSS = 3,
1724 	RT_NO_ACTION  = 4,
1725 };
1726 
1727 struct ibss_parms {
1728 	u16   atimWin;
1729 };
1730 #define MAX_NUM_RATES	264
1731 
1732 enum rt_rf_power_state {
1733 	eRfOn,
1734 	eRfSleep,
1735 	eRfOff
1736 };
1737 
1738 #define	MAX_SUPPORT_WOL_PATTERN_NUM		8
1739 
1740 #define	MAX_WOL_BIT_MASK_SIZE		16
1741 #define	MAX_WOL_PATTERN_SIZE		128
1742 
1743 enum wol_pattern_type {
1744 	eNetBIOS = 0,
1745 	eIPv4IPv6ARP,
1746 	eIPv4IPv6TCPSYN,
1747 	eMACIDOnly,
1748 	eNoDefined,
1749 };
1750 
1751 struct rt_pm_wol_info {
1752 	u32	PatternId;
1753 	u32	Mask[4];
1754 	u16	CrcRemainder;
1755 	u8	WFMIndex;
1756 	enum wol_pattern_type PatternType;
1757 };
1758 
1759 struct rt_pwr_save_ctrl {
1760 
1761 	bool				bInactivePs;
1762 	bool				bIPSModeBackup;
1763 	bool				bHaltAdapterClkRQ;
1764 	bool				bSwRfProcessing;
1765 	enum rt_rf_power_state eInactivePowerState;
1766 	struct work_struct		InactivePsWorkItem;
1767 	struct timer_list	InactivePsTimer;
1768 
1769 	enum ips_callback_function ReturnPoint;
1770 
1771 	bool				bTmpBssDesc;
1772 	enum rt_join_action tmpJoinAction;
1773 	struct rtllib_network tmpBssDesc;
1774 
1775 	bool				bTmpScanOnly;
1776 	bool				bTmpActiveScan;
1777 	bool				bTmpFilterHiddenAP;
1778 	bool				bTmpUpdateParms;
1779 	u8				tmpSsidBuf[33];
1780 	struct octet_string tmpSsid2Scan;
1781 	bool				bTmpSsid2Scan;
1782 	u8				tmpNetworkType;
1783 	u8				tmpChannelNumber;
1784 	u16				tmpBcnPeriod;
1785 	u8				tmpDtimPeriod;
1786 	u16				tmpmCap;
1787 	struct octet_string tmpSuppRateSet;
1788 	u8				tmpSuppRateBuf[MAX_NUM_RATES];
1789 	bool				bTmpSuppRate;
1790 	struct ibss_parms tmpIbpm;
1791 	bool				bTmpIbpm;
1792 
1793 	bool				bLeisurePs;
1794 	u32				PowerProfile;
1795 	u8				LpsIdleCount;
1796 	u8				RegMaxLPSAwakeIntvl;
1797 	u8				LPSAwakeIntvl;
1798 
1799 	u32				CurPsLevel;
1800 	u32				RegRfPsLevel;
1801 
1802 	bool				bFwCtrlLPS;
1803 	u8				FWCtrlPSMode;
1804 
1805 	bool				LinkReqInIPSRFOffPgs;
1806 	bool				BufConnectinfoBefore;
1807 
1808 
1809 	bool				bGpioRfSw;
1810 
1811 	u8				RegAMDPciASPM;
1812 
1813 	u8				oWLANMode;
1814 	struct rt_pm_wol_info PmWoLPatternInfo[MAX_SUPPORT_WOL_PATTERN_NUM];
1815 
1816 };
1817 
1818 #define RT_RF_CHANGE_SOURCE u32
1819 
1820 #define RF_CHANGE_BY_SW BIT31
1821 #define RF_CHANGE_BY_HW BIT30
1822 #define RF_CHANGE_BY_PS BIT29
1823 #define RF_CHANGE_BY_IPS BIT28
1824 #define RF_CHANGE_BY_INIT	0
1825 
1826 enum country_code_type {
1827 	COUNTRY_CODE_FCC = 0,
1828 	COUNTRY_CODE_IC = 1,
1829 	COUNTRY_CODE_ETSI = 2,
1830 	COUNTRY_CODE_SPAIN = 3,
1831 	COUNTRY_CODE_FRANCE = 4,
1832 	COUNTRY_CODE_MKK = 5,
1833 	COUNTRY_CODE_MKK1 = 6,
1834 	COUNTRY_CODE_ISRAEL = 7,
1835 	COUNTRY_CODE_TELEC = 8,
1836 	COUNTRY_CODE_MIC = 9,
1837 	COUNTRY_CODE_GLOBAL_DOMAIN = 10,
1838 	COUNTRY_CODE_WORLD_WIDE_13 = 11,
1839 	COUNTRY_CODE_TELEC_NETGEAR = 12,
1840 	COUNTRY_CODE_MAX
1841 };
1842 
1843 enum scan_op_backup_opt {
1844 	SCAN_OPT_BACKUP = 0,
1845 	SCAN_OPT_RESTORE,
1846 	SCAN_OPT_MAX
1847 };
1848 
1849 enum fw_cmd_io_type {
1850 	FW_CMD_DIG_ENABLE = 0,
1851 	FW_CMD_DIG_DISABLE = 1,
1852 	FW_CMD_DIG_HALT = 2,
1853 	FW_CMD_DIG_RESUME = 3,
1854 	FW_CMD_HIGH_PWR_ENABLE = 4,
1855 	FW_CMD_HIGH_PWR_DISABLE = 5,
1856 	FW_CMD_RA_RESET = 6,
1857 	FW_CMD_RA_ACTIVE = 7,
1858 	FW_CMD_RA_REFRESH_N = 8,
1859 	FW_CMD_RA_REFRESH_BG = 9,
1860 	FW_CMD_RA_INIT = 10,
1861 	FW_CMD_IQK_ENABLE = 11,
1862 	FW_CMD_TXPWR_TRACK_ENABLE = 12,
1863 	FW_CMD_TXPWR_TRACK_DISABLE = 13,
1864 	FW_CMD_TXPWR_TRACK_THERMAL = 14,
1865 	FW_CMD_PAUSE_DM_BY_SCAN = 15,
1866 	FW_CMD_RESUME_DM_BY_SCAN = 16,
1867 	FW_CMD_RA_REFRESH_N_COMB = 17,
1868 	FW_CMD_RA_REFRESH_BG_COMB = 18,
1869 	FW_CMD_ANTENNA_SW_ENABLE = 19,
1870 	FW_CMD_ANTENNA_SW_DISABLE = 20,
1871 	FW_CMD_TX_FEEDBACK_CCX_ENABLE = 21,
1872 	FW_CMD_LPS_ENTER = 22,
1873 	FW_CMD_LPS_LEAVE = 23,
1874 	FW_CMD_DIG_MODE_SS = 24,
1875 	FW_CMD_DIG_MODE_FA = 25,
1876 	FW_CMD_ADD_A2_ENTRY = 26,
1877 	FW_CMD_CTRL_DM_BY_DRIVER = 27,
1878 	FW_CMD_CTRL_DM_BY_DRIVER_NEW = 28,
1879 	FW_CMD_PAPE_CONTROL = 29,
1880 	FW_CMD_CHAN_SET = 30,
1881 };
1882 
1883 #define RT_MAX_LD_SLOT_NUM	10
1884 struct rt_link_detect {
1885 
1886 	u32				NumRecvBcnInPeriod;
1887 	u32				NumRecvDataInPeriod;
1888 
1889 	u32				RxBcnNum[RT_MAX_LD_SLOT_NUM];
1890 	u32				RxDataNum[RT_MAX_LD_SLOT_NUM];
1891 	u16				SlotNum;
1892 	u16				SlotIndex;
1893 
1894 	u32				NumTxOkInPeriod;
1895 	u32				NumRxOkInPeriod;
1896 	u32				NumRxUnicastOkInPeriod;
1897 	bool				bBusyTraffic;
1898 	bool				bHigherBusyTraffic;
1899 	bool				bHigherBusyRxTraffic;
1900 	u8				IdleCount;
1901 	u32				NumTxUnicastOkInPeriod;
1902 	u32				LastNumTxUnicast;
1903 	u32				LastNumRxUnicast;
1904 };
1905 
1906 struct sw_cam_table {
1907 
1908 	u8				macaddr[6];
1909 	bool				bused;
1910 	u8				key_buf[16];
1911 	u16				key_type;
1912 	u8				useDK;
1913 	u8				key_index;
1914 
1915 };
1916 #define   TOTAL_CAM_ENTRY				32
1917 struct rate_adaptive {
1918 	u8				rate_adaptive_disabled;
1919 	u8				ratr_state;
1920 	u16				reserve;
1921 
1922 	u32				high_rssi_thresh_for_ra;
1923 	u32				high2low_rssi_thresh_for_ra;
1924 	u8				low2high_rssi_thresh_for_ra40M;
1925 	u32				low_rssi_thresh_for_ra40M;
1926 	u8				low2high_rssi_thresh_for_ra20M;
1927 	u32				low_rssi_thresh_for_ra20M;
1928 	u32				upper_rssi_threshold_ratr;
1929 	u32				middle_rssi_threshold_ratr;
1930 	u32				low_rssi_threshold_ratr;
1931 	u32				low_rssi_threshold_ratr_40M;
1932 	u32				low_rssi_threshold_ratr_20M;
1933 	u8				ping_rssi_enable;
1934 	u32				ping_rssi_ratr;
1935 	u32				ping_rssi_thresh_for_ra;
1936 	u32				last_ratr;
1937 	u8				PreRATRState;
1938 
1939 };
1940 enum ratr_table_mode_8192s {
1941 	RATR_INX_WIRELESS_NGB = 0,
1942 	RATR_INX_WIRELESS_NG = 1,
1943 	RATR_INX_WIRELESS_NB = 2,
1944 	RATR_INX_WIRELESS_N = 3,
1945 	RATR_INX_WIRELESS_GB = 4,
1946 	RATR_INX_WIRELESS_G = 5,
1947 	RATR_INX_WIRELESS_B = 6,
1948 	RATR_INX_WIRELESS_MC = 7,
1949 	RATR_INX_WIRELESS_A = 8,
1950 };
1951 
1952 #define	NUM_PMKID_CACHE		16
1953 struct rt_pmkid_list {
1954 	u8 bUsed;
1955 	u8 Bssid[6];
1956 	u8 PMKID[16];
1957 	u8 SsidBuf[33];
1958 	u8 *ssid_octet;
1959 	u16 ssid_length;
1960 };
1961 
1962 struct rt_intel_promisc_mode {
1963 	bool bPromiscuousOn;
1964 	bool bFilterSourceStationFrame;
1965 };
1966 
1967 
1968 /*************** DRIVER STATUS   *****/
1969 #define STATUS_SCANNING			0
1970 #define STATUS_SCAN_HW			1
1971 #define STATUS_SCAN_ABORTING	2
1972 #define STATUS_SETTING_CHAN		3
1973 /*************** DRIVER STATUS   *****/
1974 
1975 enum {
1976 	NO_USE		= 0,
1977 	USED		= 1,
1978 	HW_SEC		= 2,
1979 	SW_SEC		= 3,
1980 };
1981 
1982 enum {
1983 	LPS_IS_WAKE = 0,
1984 	LPS_IS_SLEEP = 1,
1985 	LPS_WAIT_NULL_DATA_SEND = 2,
1986 };
1987 
1988 struct rtllib_device {
1989 	struct pci_dev *pdev;
1990 	struct net_device *dev;
1991 	struct rtllib_security sec;
1992 
1993 	bool disable_mgnt_queue;
1994 
1995 	unsigned long status;
1996 	short hwscan_ch_bk;
1997 	enum ht_extchnl_offset chan_offset_bk;
1998 	enum ht_channel_width bandwidth_bk;
1999 	u8 hwscan_sem_up;
2000 	u8	CntAfterLink;
2001 
2002 	enum rt_op_mode OpMode;
2003 
2004 	u8 VersionID;
2005 	/* The last AssocReq/Resp IEs */
2006 	u8 *assocreq_ies, *assocresp_ies;
2007 	size_t assocreq_ies_len, assocresp_ies_len;
2008 
2009 	bool b_customer_lenovo_id;
2010 	bool	bForcedShowRxRate;
2011 	bool	bForcedShowRateStill;
2012 	u8	SystemQueryDataRateCount;
2013 	bool	bForcedBgMode;
2014 	bool bUseRAMask;
2015 	bool b1x1RecvCombine;
2016 	u8 RF_Type;
2017 	bool b1SSSupport;
2018 
2019 	u8 hwsec_active;
2020 	bool is_silent_reset;
2021 	bool force_mic_error;
2022 	bool is_roaming;
2023 	bool ieee_up;
2024 	bool cannot_notify;
2025 	bool bSupportRemoteWakeUp;
2026 	enum rt_ps_mode dot11PowerSaveMode;
2027 	bool actscanning;
2028 	bool FirstIe_InScan;
2029 	bool be_scan_inprogress;
2030 	bool beinretry;
2031 	enum rt_rf_power_state eRFPowerState;
2032 	RT_RF_CHANGE_SOURCE	RfOffReason;
2033 	bool is_set_key;
2034 	bool wx_set_enc;
2035 	struct rt_hi_throughput *pHTInfo;
2036 	spinlock_t bw_spinlock;
2037 
2038 	spinlock_t reorder_spinlock;
2039 	u8	Regdot11HTOperationalRateSet[16];
2040 	u8	Regdot11TxHTOperationalRateSet[16];
2041 	u8	dot11HTOperationalRateSet[16];
2042 	u8	RegHTSuppRateSet[16];
2043 	u8	HTCurrentOperaRate;
2044 	u8	HTHighestOperaRate;
2045 	u8	MinSpaceCfg;
2046 	u8	MaxMssDensity;
2047 	u8	bTxDisableRateFallBack;
2048 	u8	bTxUseDriverAssingedRate;
2049 	u8	bTxEnableFwCalcDur;
2050 	atomic_t	atm_chnlop;
2051 	atomic_t	atm_swbw;
2052 
2053 	struct list_head		Tx_TS_Admit_List;
2054 	struct list_head		Tx_TS_Pending_List;
2055 	struct list_head		Tx_TS_Unused_List;
2056 	struct tx_ts_record TxTsRecord[TOTAL_TS_NUM];
2057 	struct list_head		Rx_TS_Admit_List;
2058 	struct list_head		Rx_TS_Pending_List;
2059 	struct list_head		Rx_TS_Unused_List;
2060 	struct rx_ts_record RxTsRecord[TOTAL_TS_NUM];
2061 	struct rx_reorder_entry RxReorderEntry[128];
2062 	struct list_head		RxReorder_Unused_List;
2063 	u8				ForcedPriority;
2064 
2065 
2066 	/* Bookkeeping structures */
2067 	struct net_device_stats stats;
2068 	struct rtllib_stats ieee_stats;
2069 	struct rtllib_softmac_stats softmac_stats;
2070 
2071 	/* Probe / Beacon management */
2072 	struct list_head network_free_list;
2073 	struct list_head network_list;
2074 	struct rtllib_network *networks;
2075 	int scans;
2076 	int scan_age;
2077 
2078 	int iw_mode; /* operating mode (IW_MODE_*) */
2079 	bool bNetPromiscuousMode;
2080 	struct rt_intel_promisc_mode IntelPromiscuousModeInfo;
2081 
2082 	struct iw_spy_data spy_data;
2083 
2084 	spinlock_t lock;
2085 	spinlock_t wpax_suitlist_lock;
2086 
2087 	int tx_headroom; /* Set to size of any additional room needed at front
2088 			  * of allocated Tx SKBs
2089 			  */
2090 	u32 config;
2091 
2092 	/* WEP and other encryption related settings at the device level */
2093 	int open_wep; /* Set to 1 to allow unencrypted frames */
2094 	int auth_mode;
2095 	int reset_on_keychange; /* Set to 1 if the HW needs to be reset on
2096 				 * WEP key changes
2097 				 */
2098 
2099 	/* If the host performs {en,de}cryption, then set to 1 */
2100 	int host_encrypt;
2101 	int host_encrypt_msdu;
2102 	int host_decrypt;
2103 	/* host performs multicast decryption */
2104 	int host_mc_decrypt;
2105 
2106 	/* host should strip IV and ICV from protected frames */
2107 	/* meaningful only when hardware decryption is being used */
2108 	int host_strip_iv_icv;
2109 
2110 	int host_open_frag;
2111 	int host_build_iv;
2112 	int ieee802_1x; /* is IEEE 802.1X used */
2113 
2114 	/* WPA data */
2115 	bool bHalfNMode;
2116 	bool bHalfWirelessN24GMode;
2117 	int wpa_enabled;
2118 	int drop_unencrypted;
2119 	int tkip_countermeasures;
2120 	int privacy_invoked;
2121 	size_t wpa_ie_len;
2122 	u8 *wpa_ie;
2123 	size_t wps_ie_len;
2124 	u8 *wps_ie;
2125 	u8 ap_mac_addr[6];
2126 	u16 pairwise_key_type;
2127 	u16 group_key_type;
2128 
2129 	struct lib80211_crypt_info crypt_info;
2130 
2131 	struct sw_cam_table swcamtable[TOTAL_CAM_ENTRY];
2132 	int bcrx_sta_key; /* use individual keys to override default keys even
2133 			   * with RX of broad/multicast frames */
2134 
2135 	struct rt_pmkid_list PMKIDList[NUM_PMKID_CACHE];
2136 
2137 	/* Fragmentation structures */
2138 	struct rtllib_frag_entry frag_cache[17][RTLLIB_FRAG_CACHE_LEN];
2139 	unsigned int frag_next_idx[17];
2140 	u16 fts; /* Fragmentation Threshold */
2141 #define DEFAULT_RTS_THRESHOLD 2346U
2142 #define MIN_RTS_THRESHOLD 1
2143 #define MAX_RTS_THRESHOLD 2346U
2144 	u16 rts; /* RTS threshold */
2145 
2146 	/* Association info */
2147 	u8 bssid[ETH_ALEN];
2148 
2149 	/* This stores infos for the current network.
2150 	 * Either the network we are associated in INFRASTRUCTURE
2151 	 * or the network that we are creating in MASTER mode.
2152 	 * ad-hoc is a mixture ;-).
2153 	 * Note that in infrastructure mode, even when not associated,
2154 	 * fields bssid and essid may be valid (if wpa_set and essid_set
2155 	 * are true) as thy carry the value set by the user via iwconfig
2156 	 */
2157 	struct rtllib_network current_network;
2158 
2159 	enum rtllib_state state;
2160 
2161 	int short_slot;
2162 	int reg_mode;
2163 	int mode;       /* A, B, G */
2164 	int modulation; /* CCK, OFDM */
2165 	int freq_band;  /* 2.4Ghz, 5.2Ghz, Mixed */
2166 	int abg_true;   /* ABG flag	      */
2167 
2168 	/* used for forcing the ibss workqueue to terminate
2169 	 * without wait for the syncro scan to terminate
2170 	 */
2171 	short sync_scan_hurryup;
2172 	u16 scan_watch_dog;
2173 	int perfect_rssi;
2174 	int worst_rssi;
2175 
2176 	u16 prev_seq_ctl;       /* used to drop duplicate frames */
2177 
2178 	/* map of allowed channels. 0 is dummy */
2179 	void *pDot11dInfo;
2180 	bool bGlobalDomain;
2181 	u8 active_channel_map[MAX_CHANNEL_NUMBER+1];
2182 
2183 	u8   IbssStartChnl;
2184 	u8   ibss_maxjoin_chal;
2185 
2186 	int rate;       /* current rate */
2187 	int basic_rate;
2188 	u32	currentRate;
2189 
2190 	short active_scan;
2191 
2192 	/* this contains flags for selectively enable softmac support */
2193 	u16 softmac_features;
2194 
2195 	/* if the sequence control field is not filled by HW */
2196 	u16 seq_ctrl[5];
2197 
2198 	/* association procedure transaction sequence number */
2199 	u16 associate_seq;
2200 
2201 	/* AID for RTXed association responses */
2202 	u16 assoc_id;
2203 
2204 	/* power save mode related*/
2205 	u8 ack_tx_to_ieee;
2206 	short ps;
2207 	short sta_sleep;
2208 	int ps_timeout;
2209 	int ps_period;
2210 	struct tasklet_struct ps_task;
2211 	u64 ps_time;
2212 	bool polling;
2213 
2214 	short raw_tx;
2215 	/* used if IEEE_SOFTMAC_TX_QUEUE is set */
2216 	short queue_stop;
2217 	short scanning_continue;
2218 	short proto_started;
2219 	short proto_stoppping;
2220 
2221 	struct semaphore wx_sem;
2222 	struct semaphore scan_sem;
2223 	struct semaphore ips_sem;
2224 
2225 	spinlock_t mgmt_tx_lock;
2226 	spinlock_t beacon_lock;
2227 
2228 	short beacon_txing;
2229 
2230 	short wap_set;
2231 	short ssid_set;
2232 
2233 	/* set on initialization */
2234 	u8  qos_support;
2235 	unsigned int wmm_acm;
2236 
2237 	/* for discarding duplicated packets in IBSS */
2238 	struct list_head ibss_mac_hash[IEEE_IBSS_MAC_HASH_SIZE];
2239 
2240 	/* for discarding duplicated packets in BSS */
2241 	u16 last_rxseq_num[17]; /* rx seq previous per-tid */
2242 	u16 last_rxfrag_num[17];/* tx frag previous per-tid */
2243 	unsigned long last_packet_time[17];
2244 
2245 	/* for PS mode */
2246 	unsigned long last_rx_ps_time;
2247 	bool			bAwakePktSent;
2248 	u8			LPSDelayCnt;
2249 
2250 	/* used if IEEE_SOFTMAC_SINGLE_QUEUE is set */
2251 	struct sk_buff *mgmt_queue_ring[MGMT_QUEUE_NUM];
2252 	int mgmt_queue_head;
2253 	int mgmt_queue_tail;
2254 #define RTLLIB_QUEUE_LIMIT 128
2255 	u8 AsocRetryCount;
2256 	unsigned int hw_header;
2257 	struct sk_buff_head skb_waitQ[MAX_QUEUE_SIZE];
2258 	struct sk_buff_head  skb_aggQ[MAX_QUEUE_SIZE];
2259 	struct sk_buff_head  skb_drv_aggQ[MAX_QUEUE_SIZE];
2260 	u32	sta_edca_param[4];
2261 	bool aggregation;
2262 	bool enable_rx_imm_BA;
2263 	bool bibsscoordinator;
2264 
2265 	bool	bdynamic_txpower_enable;
2266 
2267 	bool bCTSToSelfEnable;
2268 	u8	CTSToSelfTH;
2269 
2270 	u32	fsync_time_interval;
2271 	u32	fsync_rate_bitmap;
2272 	u8	fsync_rssi_threshold;
2273 	bool	bfsync_enable;
2274 
2275 	u8	fsync_multiple_timeinterval;
2276 	u32	fsync_firstdiff_ratethreshold;
2277 	u32	fsync_seconddiff_ratethreshold;
2278 	enum fsync_state fsync_state;
2279 	bool		bis_any_nonbepkts;
2280 	struct bandwidth_autoswitch bandwidth_auto_switch;
2281 	bool FwRWRF;
2282 
2283 	struct rt_link_detect LinkDetectInfo;
2284 	bool bIsAggregateFrame;
2285 	struct rt_pwr_save_ctrl PowerSaveControl;
2286 	u8 amsdu_in_process;
2287 
2288 	/* used if IEEE_SOFTMAC_TX_QUEUE is set */
2289 	struct tx_pending tx_pending;
2290 
2291 	/* used if IEEE_SOFTMAC_ASSOCIATE is set */
2292 	struct timer_list associate_timer;
2293 
2294 	/* used if IEEE_SOFTMAC_BEACONS is set */
2295 	struct timer_list beacon_timer;
2296 	u8 need_sw_enc;
2297 	struct work_struct associate_complete_wq;
2298 	struct work_struct ips_leave_wq;
2299 	struct delayed_work associate_procedure_wq;
2300 	struct delayed_work softmac_scan_wq;
2301 	struct delayed_work softmac_hint11d_wq;
2302 	struct delayed_work associate_retry_wq;
2303 	struct delayed_work start_ibss_wq;
2304 	struct delayed_work hw_wakeup_wq;
2305 	struct delayed_work hw_sleep_wq;
2306 	struct delayed_work link_change_wq;
2307 	struct work_struct wx_sync_scan_wq;
2308 
2309 	struct workqueue_struct *wq;
2310 	union {
2311 		struct rtllib_rxb *RfdArray[REORDER_WIN_SIZE];
2312 		struct rtllib_rxb *stats_IndicateArray[REORDER_WIN_SIZE];
2313 		struct rtllib_rxb *prxbIndicateArray[REORDER_WIN_SIZE];
2314 		struct {
2315 			struct sw_chnl_cmd PreCommonCmd[MAX_PRECMD_CNT];
2316 			struct sw_chnl_cmd PostCommonCmd[MAX_POSTCMD_CNT];
2317 			struct sw_chnl_cmd RfDependCmd[MAX_RFDEPENDCMD_CNT];
2318 		};
2319 	};
2320 
2321 	/* Callback functions */
2322 	void (*set_security)(struct net_device *dev,
2323 			     struct rtllib_security *sec);
2324 
2325 	/* Used to TX data frame by using txb structs.
2326 	 * this is not used if in the softmac_features
2327 	 * is set the flag IEEE_SOFTMAC_TX_QUEUE
2328 	 */
2329 	int (*hard_start_xmit)(struct rtllib_txb *txb,
2330 			       struct net_device *dev);
2331 
2332 	int (*reset_port)(struct net_device *dev);
2333 	int (*is_queue_full)(struct net_device *dev, int pri);
2334 
2335 	int (*handle_management)(struct net_device *dev,
2336 				 struct rtllib_network *network, u16 type);
2337 	int (*is_qos_active)(struct net_device *dev, struct sk_buff *skb);
2338 
2339 	/* Softmac-generated frames (management) are TXed via this
2340 	 * callback if the flag IEEE_SOFTMAC_SINGLE_QUEUE is
2341 	 * not set. As some cards may have different HW queues that
2342 	 * one might want to use for data and management frames
2343 	 * the option to have two callbacks might be useful.
2344 	 * This function can't sleep.
2345 	 */
2346 	int (*softmac_hard_start_xmit)(struct sk_buff *skb,
2347 			       struct net_device *dev);
2348 
2349 	/* used instead of hard_start_xmit (not softmac_hard_start_xmit)
2350 	 * if the IEEE_SOFTMAC_TX_QUEUE feature is used to TX data
2351 	 * frames. If the option IEEE_SOFTMAC_SINGLE_QUEUE is also set
2352 	 * then also management frames are sent via this callback.
2353 	 * This function can't sleep.
2354 	 */
2355 	void (*softmac_data_hard_start_xmit)(struct sk_buff *skb,
2356 			       struct net_device *dev, int rate);
2357 
2358 	/* stops the HW queue for DATA frames. Useful to avoid
2359 	 * waste time to TX data frame when we are reassociating
2360 	 * This function can sleep.
2361 	 */
2362 	void (*data_hard_stop)(struct net_device *dev);
2363 
2364 	/* OK this is complementing to data_poll_hard_stop */
2365 	void (*data_hard_resume)(struct net_device *dev);
2366 
2367 	/* ask to the driver to retune the radio.
2368 	 * This function can sleep. the driver should ensure
2369 	 * the radio has been switched before return.
2370 	 */
2371 	void (*set_chan)(struct net_device *dev, short ch);
2372 
2373 	/* These are not used if the ieee stack takes care of
2374 	 * scanning (IEEE_SOFTMAC_SCAN feature set).
2375 	 * In this case only the set_chan is used.
2376 	 *
2377 	 * The syncro version is similar to the start_scan but
2378 	 * does not return until all channels has been scanned.
2379 	 * this is called in user context and should sleep,
2380 	 * it is called in a work_queue when switching to ad-hoc mode
2381 	 * or in behalf of iwlist scan when the card is associated
2382 	 * and root user ask for a scan.
2383 	 * the function stop_scan should stop both the syncro and
2384 	 * background scanning and can sleep.
2385 	 * The function start_scan should initiate the background
2386 	 * scanning and can't sleep.
2387 	 */
2388 	void (*scan_syncro)(struct net_device *dev);
2389 	void (*start_scan)(struct net_device *dev);
2390 	void (*stop_scan)(struct net_device *dev);
2391 
2392 	void (*rtllib_start_hw_scan)(struct net_device *dev);
2393 	void (*rtllib_stop_hw_scan)(struct net_device *dev);
2394 
2395 	/* indicate the driver that the link state is changed
2396 	 * for example it may indicate the card is associated now.
2397 	 * Driver might be interested in this to apply RX filter
2398 	 * rules or simply light the LINK led
2399 	 */
2400 	void (*link_change)(struct net_device *dev);
2401 
2402 	/* these two function indicates to the HW when to start
2403 	 * and stop to send beacons. This is used when the
2404 	 * IEEE_SOFTMAC_BEACONS is not set. For now the
2405 	 * stop_send_bacons is NOT guaranteed to be called only
2406 	 * after start_send_beacons.
2407 	 */
2408 	void (*start_send_beacons)(struct net_device *dev);
2409 	void (*stop_send_beacons)(struct net_device *dev);
2410 
2411 	/* power save mode related */
2412 	void (*sta_wake_up)(struct net_device *dev);
2413 	void (*enter_sleep_state)(struct net_device *dev, u64 time);
2414 	short (*ps_is_queue_empty)(struct net_device *dev);
2415 	int (*handle_beacon)(struct net_device *dev,
2416 			     struct rtllib_beacon *beacon,
2417 			     struct rtllib_network *network);
2418 	int (*handle_assoc_response)(struct net_device *dev,
2419 				     struct rtllib_assoc_response_frame *resp,
2420 				     struct rtllib_network *network);
2421 
2422 
2423 	/* check whether Tx hw resource available */
2424 	short (*check_nic_enough_desc)(struct net_device *dev, int queue_index);
2425 	short (*get_nic_desc_num)(struct net_device *dev, int queue_index);
2426 	void (*SetBWModeHandler)(struct net_device *dev,
2427 				 enum ht_channel_width Bandwidth,
2428 				 enum ht_extchnl_offset Offset);
2429 	bool (*GetNmodeSupportBySecCfg)(struct net_device *dev);
2430 	void (*SetWirelessMode)(struct net_device *dev, u8 wireless_mode);
2431 	bool (*GetHalfNmodeSupportByAPsHandler)(struct net_device *dev);
2432 	u8   (*rtllib_ap_sec_type)(struct rtllib_device *ieee);
2433 	void (*HalUsbRxAggrHandler)(struct net_device *dev, bool Value);
2434 	void (*InitialGainHandler)(struct net_device *dev, u8 Operation);
2435 	bool (*SetFwCmdHandler)(struct net_device *dev,
2436 				enum fw_cmd_io_type FwCmdIO);
2437 	void (*UpdateHalRAMaskHandler)(struct net_device *dev, bool bMulticast,
2438 				       u8 macId, u8 MimoPs, u8 WirelessMode,
2439 				       u8 bCurTxBW40MHz, u8 rssi_level);
2440 	void (*UpdateBeaconInterruptHandler)(struct net_device *dev,
2441 					     bool start);
2442 	void (*UpdateInterruptMaskHandler)(struct net_device *dev, u32 AddMSR,
2443 					   u32 RemoveMSR);
2444 	u16  (*rtl_11n_user_show_rates)(struct net_device *dev);
2445 	void (*ScanOperationBackupHandler)(struct net_device *dev,
2446 					   u8 Operation);
2447 	void (*LedControlHandler)(struct net_device *dev,
2448 				  enum led_ctl_mode LedAction);
2449 	void (*SetHwRegHandler)(struct net_device *dev, u8 variable, u8 *val);
2450 	void (*GetHwRegHandler)(struct net_device *dev, u8 variable, u8 *val);
2451 
2452 	void (*AllowAllDestAddrHandler)(struct net_device *dev,
2453 					bool bAllowAllDA, bool WriteIntoReg);
2454 
2455 	void (*rtllib_ips_leave_wq)(struct net_device *dev);
2456 	void (*rtllib_ips_leave)(struct net_device *dev);
2457 	void (*LeisurePSLeave)(struct net_device *dev);
2458 	void (*rtllib_rfkill_poll)(struct net_device *dev);
2459 
2460 	/* This must be the last item so that it points to the data
2461 	 * allocated beyond this structure by alloc_rtllib
2462 	 */
2463 	u8 priv[0];
2464 };
2465 
2466 #define IEEE_A	    (1<<0)
2467 #define IEEE_B	    (1<<1)
2468 #define IEEE_G	    (1<<2)
2469 #define IEEE_N_24G		  (1<<4)
2470 #define	IEEE_N_5G		  (1<<5)
2471 #define IEEE_MODE_MASK    (IEEE_A|IEEE_B|IEEE_G)
2472 
2473 /* Generate a 802.11 header */
2474 
2475 /* Uses the channel change callback directly
2476  * instead of [start/stop] scan callbacks
2477  */
2478 #define IEEE_SOFTMAC_SCAN (1<<2)
2479 
2480 /* Perform authentication and association handshake */
2481 #define IEEE_SOFTMAC_ASSOCIATE (1<<3)
2482 
2483 /* Generate probe requests */
2484 #define IEEE_SOFTMAC_PROBERQ (1<<4)
2485 
2486 /* Generate response to probe requests */
2487 #define IEEE_SOFTMAC_PROBERS (1<<5)
2488 
2489 /* The ieee802.11 stack will manage the netif queue
2490  * wake/stop for the driver, taking care of 802.11
2491  * fragmentation. See softmac.c for details.
2492  */
2493 #define IEEE_SOFTMAC_TX_QUEUE (1<<7)
2494 
2495 /* Uses only the softmac_data_hard_start_xmit
2496  * even for TX management frames.
2497  */
2498 #define IEEE_SOFTMAC_SINGLE_QUEUE (1<<8)
2499 
2500 /* Generate beacons.  The stack will enqueue beacons
2501  * to the card
2502  */
2503 #define IEEE_SOFTMAC_BEACONS (1<<6)
2504 
2505 
rtllib_priv(struct net_device * dev)2506 static inline void *rtllib_priv(struct net_device *dev)
2507 {
2508 	return ((struct rtllib_device *)netdev_priv(dev))->priv;
2509 }
2510 
rtllib_is_empty_essid(const char * essid,int essid_len)2511 static inline int rtllib_is_empty_essid(const char *essid, int essid_len)
2512 {
2513 	/* Single white space is for Linksys APs */
2514 	if (essid_len == 1 && essid[0] == ' ')
2515 		return 1;
2516 
2517 	/* Otherwise, if the entire essid is 0, we assume it is hidden */
2518 	while (essid_len) {
2519 		essid_len--;
2520 		if (essid[essid_len] != '\0')
2521 			return 0;
2522 	}
2523 
2524 	return 1;
2525 }
2526 
rtllib_is_valid_mode(struct rtllib_device * ieee,int mode)2527 static inline int rtllib_is_valid_mode(struct rtllib_device *ieee, int mode)
2528 {
2529 	/* It is possible for both access points and our device to support
2530 	 * combinations of modes, so as long as there is one valid combination
2531 	 * of ap/device supported modes, then return success
2532 	 */
2533 	if ((mode & IEEE_A) &&
2534 	    (ieee->modulation & RTLLIB_OFDM_MODULATION) &&
2535 	    (ieee->freq_band & RTLLIB_52GHZ_BAND))
2536 		return 1;
2537 
2538 	if ((mode & IEEE_G) &&
2539 	    (ieee->modulation & RTLLIB_OFDM_MODULATION) &&
2540 	    (ieee->freq_band & RTLLIB_24GHZ_BAND))
2541 		return 1;
2542 
2543 	if ((mode & IEEE_B) &&
2544 	    (ieee->modulation & RTLLIB_CCK_MODULATION) &&
2545 	    (ieee->freq_band & RTLLIB_24GHZ_BAND))
2546 		return 1;
2547 
2548 	return 0;
2549 }
2550 
rtllib_get_hdrlen(u16 fc)2551 static inline int rtllib_get_hdrlen(u16 fc)
2552 {
2553 	int hdrlen = RTLLIB_3ADDR_LEN;
2554 
2555 	switch (WLAN_FC_GET_TYPE(fc)) {
2556 	case RTLLIB_FTYPE_DATA:
2557 		if ((fc & RTLLIB_FCTL_FROMDS) && (fc & RTLLIB_FCTL_TODS))
2558 			hdrlen = RTLLIB_4ADDR_LEN; /* Addr4 */
2559 		if (RTLLIB_QOS_HAS_SEQ(fc))
2560 			hdrlen += 2; /* QOS ctrl*/
2561 		break;
2562 	case RTLLIB_FTYPE_CTL:
2563 		switch (WLAN_FC_GET_STYPE(fc)) {
2564 		case RTLLIB_STYPE_CTS:
2565 		case RTLLIB_STYPE_ACK:
2566 			hdrlen = RTLLIB_1ADDR_LEN;
2567 			break;
2568 		default:
2569 			hdrlen = RTLLIB_2ADDR_LEN;
2570 			break;
2571 		}
2572 		break;
2573 	}
2574 
2575 	return hdrlen;
2576 }
2577 
rtllib_get_payload(struct rtllib_hdr * hdr)2578 static inline u8 *rtllib_get_payload(struct rtllib_hdr *hdr)
2579 {
2580 	switch (rtllib_get_hdrlen(le16_to_cpu(hdr->frame_ctl))) {
2581 	case RTLLIB_1ADDR_LEN:
2582 		return ((struct rtllib_hdr_1addr *)hdr)->payload;
2583 	case RTLLIB_2ADDR_LEN:
2584 		return ((struct rtllib_hdr_2addr *)hdr)->payload;
2585 	case RTLLIB_3ADDR_LEN:
2586 		return ((struct rtllib_hdr_3addr *)hdr)->payload;
2587 	case RTLLIB_4ADDR_LEN:
2588 		return ((struct rtllib_hdr_4addr *)hdr)->payload;
2589 	}
2590 	return NULL;
2591 }
2592 
rtllib_is_ofdm_rate(u8 rate)2593 static inline int rtllib_is_ofdm_rate(u8 rate)
2594 {
2595 	switch (rate & ~RTLLIB_BASIC_RATE_MASK) {
2596 	case RTLLIB_OFDM_RATE_6MB:
2597 	case RTLLIB_OFDM_RATE_9MB:
2598 	case RTLLIB_OFDM_RATE_12MB:
2599 	case RTLLIB_OFDM_RATE_18MB:
2600 	case RTLLIB_OFDM_RATE_24MB:
2601 	case RTLLIB_OFDM_RATE_36MB:
2602 	case RTLLIB_OFDM_RATE_48MB:
2603 	case RTLLIB_OFDM_RATE_54MB:
2604 		return 1;
2605 	}
2606 	return 0;
2607 }
2608 
rtllib_is_cck_rate(u8 rate)2609 static inline int rtllib_is_cck_rate(u8 rate)
2610 {
2611 	switch (rate & ~RTLLIB_BASIC_RATE_MASK) {
2612 	case RTLLIB_CCK_RATE_1MB:
2613 	case RTLLIB_CCK_RATE_2MB:
2614 	case RTLLIB_CCK_RATE_5MB:
2615 	case RTLLIB_CCK_RATE_11MB:
2616 		return 1;
2617 	}
2618 	return 0;
2619 }
2620 
2621 
2622 /* rtllib.c */
2623 extern void free_rtllib(struct net_device *dev);
2624 extern struct net_device *alloc_rtllib(int sizeof_priv);
2625 
2626 extern int rtllib_set_encryption(struct rtllib_device *ieee);
2627 
2628 /* rtllib_tx.c */
2629 
2630 extern int rtllib_encrypt_fragment(
2631 	struct rtllib_device *ieee,
2632 	struct sk_buff *frag,
2633 	int hdr_len);
2634 
2635 extern int rtllib_xmit(struct sk_buff *skb,  struct net_device *dev);
2636 extern int rtllib_xmit_inter(struct sk_buff *skb, struct net_device *dev);
2637 extern void rtllib_txb_free(struct rtllib_txb *);
2638 
2639 /* rtllib_rx.c */
2640 extern int rtllib_rx(struct rtllib_device *ieee, struct sk_buff *skb,
2641 			struct rtllib_rx_stats *rx_stats);
2642 extern void rtllib_rx_mgt(struct rtllib_device *ieee,
2643 			     struct sk_buff *skb,
2644 			     struct rtllib_rx_stats *stats);
2645 extern void rtllib_rx_probe_rq(struct rtllib_device *ieee,
2646 			   struct sk_buff *skb);
2647 extern int rtllib_legal_channel(struct rtllib_device *rtllib, u8 channel);
2648 
2649 /* rtllib_wx.c */
2650 extern int rtllib_wx_get_scan(struct rtllib_device *ieee,
2651 				 struct iw_request_info *info,
2652 				 union iwreq_data *wrqu, char *key);
2653 extern int rtllib_wx_set_encode(struct rtllib_device *ieee,
2654 				   struct iw_request_info *info,
2655 				   union iwreq_data *wrqu, char *key);
2656 extern int rtllib_wx_get_encode(struct rtllib_device *ieee,
2657 				   struct iw_request_info *info,
2658 				   union iwreq_data *wrqu, char *key);
2659 #if WIRELESS_EXT >= 18
2660 extern int rtllib_wx_get_encode_ext(struct rtllib_device *ieee,
2661 			    struct iw_request_info *info,
2662 			    union iwreq_data *wrqu, char *extra);
2663 extern int rtllib_wx_set_encode_ext(struct rtllib_device *ieee,
2664 			    struct iw_request_info *info,
2665 			    union iwreq_data *wrqu, char *extra);
2666 #endif
2667 extern int rtllib_wx_set_auth(struct rtllib_device *ieee,
2668 			       struct iw_request_info *info,
2669 			       struct iw_param *data, char *extra);
2670 extern int rtllib_wx_set_mlme(struct rtllib_device *ieee,
2671 			       struct iw_request_info *info,
2672 			       union iwreq_data *wrqu, char *extra);
2673 extern int rtllib_wx_set_gen_ie(struct rtllib_device *ieee, u8 *ie, size_t len);
2674 
2675 /* rtllib_softmac.c */
2676 extern short rtllib_is_54g(struct rtllib_network *net);
2677 extern short rtllib_is_shortslot(const struct rtllib_network *net);
2678 extern int rtllib_rx_frame_softmac(struct rtllib_device *ieee,
2679 				   struct sk_buff *skb,
2680 				   struct rtllib_rx_stats *rx_stats, u16 type,
2681 				   u16 stype);
2682 extern void rtllib_softmac_new_net(struct rtllib_device *ieee,
2683 				   struct rtllib_network *net);
2684 
2685 void SendDisassociation(struct rtllib_device *ieee, bool deauth, u16 asRsn);
2686 extern void rtllib_softmac_xmit(struct rtllib_txb *txb,
2687 				struct rtllib_device *ieee);
2688 
2689 extern void rtllib_stop_send_beacons(struct rtllib_device *ieee);
2690 extern void notify_wx_assoc_event(struct rtllib_device *ieee);
2691 extern void rtllib_softmac_check_all_nets(struct rtllib_device *ieee);
2692 extern void rtllib_start_bss(struct rtllib_device *ieee);
2693 extern void rtllib_start_master_bss(struct rtllib_device *ieee);
2694 extern void rtllib_start_ibss(struct rtllib_device *ieee);
2695 extern void rtllib_softmac_init(struct rtllib_device *ieee);
2696 extern void rtllib_softmac_free(struct rtllib_device *ieee);
2697 extern void rtllib_associate_abort(struct rtllib_device *ieee);
2698 extern void rtllib_disassociate(struct rtllib_device *ieee);
2699 extern void rtllib_stop_scan(struct rtllib_device *ieee);
2700 extern bool rtllib_act_scanning(struct rtllib_device *ieee, bool sync_scan);
2701 extern void rtllib_stop_scan_syncro(struct rtllib_device *ieee);
2702 extern void rtllib_start_scan_syncro(struct rtllib_device *ieee, u8 is_mesh);
2703 extern void rtllib_sta_ps_send_null_frame(struct rtllib_device *ieee,
2704 					  short pwr);
2705 extern void rtllib_sta_wakeup(struct rtllib_device *ieee, short nl);
2706 extern void rtllib_sta_ps_send_pspoll_frame(struct rtllib_device *ieee);
2707 extern void rtllib_check_all_nets(struct rtllib_device *ieee);
2708 extern void rtllib_start_protocol(struct rtllib_device *ieee);
2709 extern void rtllib_stop_protocol(struct rtllib_device *ieee, u8 shutdown);
2710 
2711 extern void rtllib_EnableNetMonitorMode(struct net_device *dev,
2712 					bool bInitState);
2713 extern void rtllib_DisableNetMonitorMode(struct net_device *dev,
2714 					 bool bInitState);
2715 extern void rtllib_EnableIntelPromiscuousMode(struct net_device *dev,
2716 					      bool bInitState);
2717 extern void rtllib_DisableIntelPromiscuousMode(struct net_device *dev,
2718 					       bool bInitState);
2719 extern void rtllib_send_probe_requests(struct rtllib_device *ieee, u8 is_mesh);
2720 
2721 extern void rtllib_softmac_stop_protocol(struct rtllib_device *ieee,
2722 					 u8 mesh_flag, u8 shutdown);
2723 extern void rtllib_softmac_start_protocol(struct rtllib_device *ieee,
2724 					  u8 mesh_flag);
2725 
2726 extern void rtllib_reset_queue(struct rtllib_device *ieee);
2727 extern void rtllib_wake_queue(struct rtllib_device *ieee);
2728 extern void rtllib_stop_queue(struct rtllib_device *ieee);
2729 extern void rtllib_wake_all_queues(struct rtllib_device *ieee);
2730 extern void rtllib_stop_all_queues(struct rtllib_device *ieee);
2731 extern struct sk_buff *rtllib_get_beacon(struct rtllib_device *ieee);
2732 extern void rtllib_start_send_beacons(struct rtllib_device *ieee);
2733 extern void rtllib_stop_send_beacons(struct rtllib_device *ieee);
2734 extern int rtllib_wpa_supplicant_ioctl(struct rtllib_device *ieee,
2735 				       struct iw_point *p, u8 is_mesh);
2736 
2737 extern void notify_wx_assoc_event(struct rtllib_device *ieee);
2738 extern void rtllib_ps_tx_ack(struct rtllib_device *ieee, short success);
2739 
2740 extern void softmac_mgmt_xmit(struct sk_buff *skb,
2741 			      struct rtllib_device *ieee);
2742 extern u16 rtllib_query_seqnum(struct rtllib_device *ieee,
2743 			       struct sk_buff *skb, u8 *dst);
2744 extern u8 rtllib_ap_sec_type(struct rtllib_device *ieee);
2745 
2746 /* rtllib_crypt_ccmp&tkip&wep.c */
2747 extern void rtllib_tkip_null(void);
2748 extern void rtllib_wep_null(void);
2749 extern void rtllib_ccmp_null(void);
2750 
2751 /* rtllib_softmac_wx.c */
2752 
2753 extern int rtllib_wx_get_wap(struct rtllib_device *ieee,
2754 			     struct iw_request_info *info,
2755 			     union iwreq_data *wrqu, char *ext);
2756 
2757 extern int rtllib_wx_set_wap(struct rtllib_device *ieee,
2758 			     struct iw_request_info *info,
2759 			     union iwreq_data *awrq,
2760 			     char *extra);
2761 
2762 extern int rtllib_wx_get_essid(struct rtllib_device *ieee,
2763 			       struct iw_request_info *a,
2764 			       union iwreq_data *wrqu, char *b);
2765 
2766 extern int rtllib_wx_set_rate(struct rtllib_device *ieee,
2767 			      struct iw_request_info *info,
2768 			      union iwreq_data *wrqu, char *extra);
2769 
2770 extern int rtllib_wx_get_rate(struct rtllib_device *ieee,
2771 			      struct iw_request_info *info,
2772 			      union iwreq_data *wrqu, char *extra);
2773 
2774 extern int rtllib_wx_set_mode(struct rtllib_device *ieee,
2775 			      struct iw_request_info *a,
2776 			      union iwreq_data *wrqu, char *b);
2777 
2778 extern int rtllib_wx_set_scan(struct rtllib_device *ieee,
2779 			      struct iw_request_info *a,
2780 			      union iwreq_data *wrqu, char *b);
2781 
2782 extern int rtllib_wx_set_essid(struct rtllib_device *ieee,
2783 			      struct iw_request_info *a,
2784 			      union iwreq_data *wrqu, char *extra);
2785 
2786 extern int rtllib_wx_get_mode(struct rtllib_device *ieee,
2787 			      struct iw_request_info *a,
2788 			      union iwreq_data *wrqu, char *b);
2789 
2790 extern int rtllib_wx_set_freq(struct rtllib_device *ieee,
2791 			      struct iw_request_info *a,
2792 			      union iwreq_data *wrqu, char *b);
2793 
2794 extern int rtllib_wx_get_freq(struct rtllib_device *ieee,
2795 			      struct iw_request_info *a,
2796 			      union iwreq_data *wrqu, char *b);
2797 extern void rtllib_wx_sync_scan_wq(void *data);
2798 
2799 extern int rtllib_wx_set_rawtx(struct rtllib_device *ieee,
2800 			       struct iw_request_info *info,
2801 			       union iwreq_data *wrqu, char *extra);
2802 
2803 extern int rtllib_wx_get_name(struct rtllib_device *ieee,
2804 			     struct iw_request_info *info,
2805 			     union iwreq_data *wrqu, char *extra);
2806 
2807 extern int rtllib_wx_set_power(struct rtllib_device *ieee,
2808 				 struct iw_request_info *info,
2809 				 union iwreq_data *wrqu, char *extra);
2810 
2811 extern int rtllib_wx_get_power(struct rtllib_device *ieee,
2812 				 struct iw_request_info *info,
2813 				 union iwreq_data *wrqu, char *extra);
2814 
2815 extern int rtllib_wx_set_rts(struct rtllib_device *ieee,
2816 			     struct iw_request_info *info,
2817 			     union iwreq_data *wrqu, char *extra);
2818 
2819 extern int rtllib_wx_get_rts(struct rtllib_device *ieee,
2820 			     struct iw_request_info *info,
2821 			     union iwreq_data *wrqu, char *extra);
2822 #define MAX_RECEIVE_BUFFER_SIZE 9100
2823 
2824 void HTSetConnectBwMode(struct rtllib_device *ieee,
2825 			enum ht_channel_width Bandwidth,
2826 			enum ht_extchnl_offset Offset);
2827 extern void HTUpdateDefaultSetting(struct rtllib_device *ieee);
2828 extern void HTConstructCapabilityElement(struct rtllib_device *ieee,
2829 					 u8 *posHTCap, u8 *len,
2830 					 u8 isEncrypt, bool bAssoc);
2831 extern void HTConstructInfoElement(struct rtllib_device *ieee,
2832 				   u8 *posHTInfo, u8 *len, u8 isEncrypt);
2833 extern void HTConstructRT2RTAggElement(struct rtllib_device *ieee,
2834 				       u8 *posRT2RTAgg, u8 *len);
2835 extern void HTOnAssocRsp(struct rtllib_device *ieee);
2836 extern void HTInitializeHTInfo(struct rtllib_device *ieee);
2837 extern void HTInitializeBssDesc(struct bss_ht *pBssHT);
2838 extern void HTResetSelfAndSavePeerSetting(struct rtllib_device *ieee,
2839 					  struct rtllib_network *pNetwork);
2840 extern void HT_update_self_and_peer_setting(struct rtllib_device *ieee,
2841 					    struct rtllib_network *pNetwork);
2842 extern u8 HTGetHighestMCSRate(struct rtllib_device *ieee, u8 *pMCSRateSet,
2843 			      u8 *pMCSFilter);
2844 extern u8 MCS_FILTER_ALL[];
2845 extern u16 MCS_DATA_RATE[2][2][77];
2846 extern u8 HTCCheck(struct rtllib_device *ieee, u8 *pFrame);
2847 extern void HTResetIOTSetting(struct rt_hi_throughput *pHTInfo);
2848 extern bool IsHTHalfNmodeAPs(struct rtllib_device *ieee);
2849 extern u16 HTMcsToDataRate(struct rtllib_device *ieee, u8 nMcsRate);
2850 extern u16  TxCountToDataRate(struct rtllib_device *ieee, u8 nDataRate);
2851 extern int rtllib_rx_ADDBAReq(struct rtllib_device *ieee, struct sk_buff *skb);
2852 extern int rtllib_rx_ADDBARsp(struct rtllib_device *ieee, struct sk_buff *skb);
2853 extern int rtllib_rx_DELBA(struct rtllib_device *ieee, struct sk_buff *skb);
2854 extern void TsInitAddBA(struct rtllib_device *ieee, struct tx_ts_record *pTS,
2855 			u8 Policy, u8 bOverwritePending);
2856 extern void TsInitDelBA(struct rtllib_device *ieee,
2857 			struct ts_common_info *pTsCommonInfo,
2858 			enum tr_select TxRxSelect);
2859 extern void BaSetupTimeOut(unsigned long data);
2860 extern void TxBaInactTimeout(unsigned long data);
2861 extern void RxBaInactTimeout(unsigned long data);
2862 extern void ResetBaEntry(struct ba_record *pBA);
2863 extern bool GetTs(
2864 	struct rtllib_device *ieee,
2865 	struct ts_common_info **ppTS,
2866 	u8 *Addr,
2867 	u8 TID,
2868 	enum tr_select TxRxSelect,
2869 	bool bAddNewTs
2870 );
2871 extern void TSInitialize(struct rtllib_device *ieee);
2872 extern  void TsStartAddBaProcess(struct rtllib_device *ieee,
2873 				  struct tx_ts_record *pTxTS);
2874 extern void RemovePeerTS(struct rtllib_device *ieee, u8 *Addr);
2875 extern void RemoveAllTS(struct rtllib_device *ieee);
2876 void rtllib_softmac_scan_syncro(struct rtllib_device *ieee, u8 is_mesh);
2877 
2878 extern const long rtllib_wlan_frequencies[];
2879 
rtllib_increment_scans(struct rtllib_device * ieee)2880 static inline void rtllib_increment_scans(struct rtllib_device *ieee)
2881 {
2882 	ieee->scans++;
2883 }
2884 
rtllib_get_scans(struct rtllib_device * ieee)2885 static inline int rtllib_get_scans(struct rtllib_device *ieee)
2886 {
2887 	return ieee->scans;
2888 }
2889 
escape_essid(const char * essid,u8 essid_len)2890 static inline const char *escape_essid(const char *essid, u8 essid_len)
2891 {
2892 	static char escaped[IW_ESSID_MAX_SIZE * 2 + 1];
2893 
2894 	if (rtllib_is_empty_essid(essid, essid_len)) {
2895 		memcpy(escaped, "<hidden>", sizeof("<hidden>"));
2896 		return escaped;
2897 	}
2898 
2899 	snprintf(escaped, sizeof(escaped), "%*pEn", essid_len, essid);
2900 	return escaped;
2901 }
2902 
2903 #define CONVERT_RATE(_ieee, _MGN_RATE)			\
2904 	((_MGN_RATE < MGN_MCS0) ? (_MGN_RATE) :		\
2905 	(HTMcsToDataRate(_ieee, (u8)_MGN_RATE)))
2906 
2907 /* fun with the built-in rtllib stack... */
2908 bool rtllib_MgntDisconnect(struct rtllib_device *rtllib, u8 asRsn);
2909 
2910 
2911 /* For the function is more related to hardware setting, it's better to use the
2912  * ieee handler to refer to it.
2913  */
2914 extern void rtllib_update_active_chan_map(struct rtllib_device *ieee);
2915 extern void rtllib_FlushRxTsPendingPkts(struct rtllib_device *ieee,
2916 					struct rx_ts_record *pTS);
2917 extern int rtllib_data_xmit(struct sk_buff *skb, struct net_device *dev);
2918 extern int rtllib_parse_info_param(struct rtllib_device *ieee,
2919 		struct rtllib_info_element *info_element,
2920 		u16 length,
2921 		struct rtllib_network *network,
2922 		struct rtllib_rx_stats *stats);
2923 
2924 void rtllib_indicate_packets(struct rtllib_device *ieee,
2925 			     struct rtllib_rxb **prxbIndicateArray, u8  index);
2926 extern u8 HTFilterMCSRate(struct rtllib_device *ieee, u8 *pSupportMCS,
2927 			  u8 *pOperateMCS);
2928 extern void HTUseDefaultSetting(struct rtllib_device *ieee);
2929 #define RT_ASOC_RETRY_LIMIT	5
2930 u8 MgntQuery_TxRateExcludeCCKRates(struct rtllib_device *ieee);
2931 extern void rtllib_TURBO_Info(struct rtllib_device *ieee, u8 **tag_p);
2932 #ifndef ENABLE_LOCK_DEBUG
2933 #define SPIN_LOCK_IEEE(plock) spin_lock_irqsave((plock), flags)
2934 #define SPIN_UNLOCK_IEEE(plock) spin_unlock_irqrestore((plock), flags)
2935 #define SPIN_LOCK_IEEE_REORDER(plock) spin_lock_irqsave((plock), flags)
2936 #define SPIN_UNLOCK_IEEE_REORDER(plock) spin_unlock_irqrestore((plock), flags)
2937 #define SPIN_LOCK_IEEE_WPAX(plock) spin_lock_irqsave((plock), flags)
2938 #define SPIN_UNLOCK_IEEE_WPAX(plock) spin_unlock_irqrestore((plock), flags)
2939 #define SPIN_LOCK_IEEE_MGNTTX(plock) spin_lock_irqsave((plock), flags)
2940 #define SPIN_UNLOCK_IEEE_MGNTTX(plock) spin_unlock_irqrestore((plock), flags)
2941 #define SPIN_LOCK_IEEE_BCN(plock) spin_lock_irqsave((plock), flags)
2942 #define SPIN_UNLOCK_IEEE_BCN(plock) spin_unlock_irqrestore((plock), flags)
2943 #define SPIN_LOCK_MSH_STAINFO(plock) spin_lock_irqsave((plock), flags)
2944 #define SPIN_UNLOCK_MSH_STAINFO(plock) spin_unlock_irqrestore((plock), flags)
2945 #define SPIN_LOCK_MSH_PREQ(plock) spin_lock_irqsave((plock), flags)
2946 #define SPIN_UNLOCK_MSH_PREQ(plock) spin_unlock_irqrestore((plock), flags)
2947 #define SPIN_LOCK_MSH_QUEUE(plock) spin_lock_irqsave((plock), flags)
2948 #define SPIN_UNLOCK_MSH_QUEUE(plock) spin_unlock_irqrestore((plock), flags)
2949 #define SPIN_LOCK_PRIV_RFPS(plock) spin_lock_irqsave((plock), flags)
2950 #define SPIN_UNLOCK_PRIV_RFPS(plock) spin_unlock_irqrestore((plock), flags)
2951 #define SPIN_LOCK_PRIV_IRQTH(plock) spin_lock_irqsave((plock), flags)
2952 #define SPIN_UNLOCK_PRIV_IRQTH(plock) spin_unlock_irqrestore((plock), flags)
2953 #define SPIN_LOCK_PRIV_TX(plock) spin_lock_irqsave((plock), flags)
2954 #define SPIN_UNLOCK_PRIV_TX(plock) spin_unlock_irqrestore((plock), flags)
2955 #define SPIN_LOCK_PRIV_D3(plock) spin_lock_irqsave((plock), flags)
2956 #define SPIN_UNLOCK_PRIV_D3(plock) spin_unlock_irqrestore((plock), flags)
2957 #define SPIN_LOCK_PRIV_RF(plock) spin_lock_irqsave((plock), flags)
2958 #define SPIN_UNLOCK_PRIV_RF(plock) spin_unlock_irqrestore((plock), flags)
2959 #define SPIN_LOCK_PRIV_PS(plock) spin_lock_irqsave((plock), flags)
2960 #define SPIN_UNLOCK_PRIV_PS(plock) spin_unlock_irqrestore((plock), flags)
2961 #define SEM_DOWN_IEEE_WX(psem) down(psem)
2962 #define SEM_UP_IEEE_WX(psem) up(psem)
2963 #define SEM_DOWN_IEEE_SCAN(psem) down(psem)
2964 #define SEM_UP_IEEE_SCAN(psem) up(psem)
2965 #define SEM_DOWN_IEEE_IPS(psem) down(psem)
2966 #define SEM_UP_IEEE_IPS(psem) up(psem)
2967 #define SEM_DOWN_PRIV_WX(psem) down(psem)
2968 #define SEM_UP_PRIV_WX(psem) up(psem)
2969 #define SEM_DOWN_PRIV_RF(psem) down(psem)
2970 #define SEM_UP_PRIV_RF(psem) up(psem)
2971 #define MUTEX_LOCK_PRIV(pmutex) mutex_lock(pmutex)
2972 #define MUTEX_UNLOCK_PRIV(pmutex) mutex_unlock(pmutex)
2973 #endif
2974 
2975 #endif /* RTLLIB_H */
2976