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/mutex.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(to_delayed_work(x), 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
netdev_priv_rsl(struct net_device * dev)87 static inline void *netdev_priv_rsl(struct net_device *dev)
88 {
89 return netdev_priv(dev);
90 }
91
92 #define KEY_TYPE_NA 0x0
93 #define KEY_TYPE_WEP40 0x1
94 #define KEY_TYPE_TKIP 0x2
95 #define KEY_TYPE_CCMP 0x4
96 #define KEY_TYPE_WEP104 0x5
97 /* added for rtl819x tx procedure */
98 #define MAX_QUEUE_SIZE 0x10
99
100 #define BK_QUEUE 0
101 #define BE_QUEUE 1
102 #define VI_QUEUE 2
103 #define VO_QUEUE 3
104 #define HCCA_QUEUE 4
105 #define TXCMD_QUEUE 5
106 #define MGNT_QUEUE 6
107 #define HIGH_QUEUE 7
108 #define BEACON_QUEUE 8
109
110 #ifndef IW_MODE_MESH
111 #define IW_MODE_MESH 7
112 #endif
113
114 #define IE_CISCO_FLAG_POSITION 0x08
115 #define SUPPORT_CKIP_MIC 0x08
116 #define SUPPORT_CKIP_PK 0x10
117 #define RT_RF_OFF_LEVL_HALT_NIC BIT3
118 #define RT_IN_PS_LEVEL(pPSC, _PS_FLAG) \
119 ((pPSC->CurPsLevel & _PS_FLAG) ? true : false)
120 #define RT_CLEAR_PS_LEVEL(pPSC, _PS_FLAG) \
121 (pPSC->CurPsLevel &= (~(_PS_FLAG)))
122 #define RT_SET_PS_LEVEL(pPSC, _PS_FLAG) (pPSC->CurPsLevel |= _PS_FLAG)
123
124 /* defined for skb cb field */
125 /* At most 28 byte */
126 struct cb_desc {
127 /* Tx Desc Related flags (8-9) */
128 u8 bLastIniPkt:1;
129 u8 bCmdOrInit:1;
130 u8 bFirstSeg:1;
131 u8 bLastSeg:1;
132 u8 bEncrypt:1;
133 u8 bTxDisableRateFallBack:1;
134 u8 bTxUseDriverAssingedRate:1;
135 u8 bHwSec:1;
136
137 u8 nStuckCount;
138
139 /* Tx Firmware Related flags (10-11)*/
140 u8 bCTSEnable:1;
141 u8 bRTSEnable:1;
142 u8 bUseShortGI:1;
143 u8 bUseShortPreamble:1;
144 u8 bTxEnableFwCalcDur:1;
145 u8 bAMPDUEnable:1;
146 u8 bRTSSTBC:1;
147 u8 RTSSC:1;
148
149 u8 bRTSBW:1;
150 u8 bPacketBW:1;
151 u8 bRTSUseShortPreamble:1;
152 u8 bRTSUseShortGI:1;
153 u8 bMulticast:1;
154 u8 bBroadcast:1;
155 u8 drv_agg_enable:1;
156 u8 reserved2:1;
157
158 /* Tx Desc related element(12-19) */
159 u8 rata_index;
160 u8 queue_index;
161 u16 txbuf_size;
162 u8 RATRIndex;
163 u8 bAMSDU:1;
164 u8 bFromAggrQ:1;
165 u8 reserved6:6;
166 u8 macId;
167 u8 priority;
168
169 /* Tx firmware related element(20-27) */
170 u8 data_rate;
171 u8 rts_rate;
172 u8 ampdu_factor;
173 u8 ampdu_density;
174 u8 DrvAggrNum;
175 u8 bdhcp;
176 u16 pkt_size;
177 u8 bIsSpecialDataFrame;
178
179 u8 bBTTxPacket;
180 u8 bIsBTProbRsp;
181 };
182
183 enum sw_chnl_cmd_id {
184 CmdID_End,
185 CmdID_SetTxPowerLevel,
186 CmdID_BBRegWrite10,
187 CmdID_WritePortUlong,
188 CmdID_WritePortUshort,
189 CmdID_WritePortUchar,
190 CmdID_RF_WriteReg,
191 };
192
193 struct sw_chnl_cmd {
194 enum sw_chnl_cmd_id CmdID;
195 u32 Para1;
196 u32 Para2;
197 u32 msDelay;
198 } __packed;
199
200 /*--------------------------Define -------------------------------------------*/
201 #define MGN_1M 0x02
202 #define MGN_2M 0x04
203 #define MGN_5_5M 0x0b
204 #define MGN_11M 0x16
205
206 #define MGN_6M 0x0c
207 #define MGN_9M 0x12
208 #define MGN_12M 0x18
209 #define MGN_18M 0x24
210 #define MGN_24M 0x30
211 #define MGN_36M 0x48
212 #define MGN_48M 0x60
213 #define MGN_54M 0x6c
214
215 #define MGN_MCS0 0x80
216 #define MGN_MCS1 0x81
217 #define MGN_MCS2 0x82
218 #define MGN_MCS3 0x83
219 #define MGN_MCS4 0x84
220 #define MGN_MCS5 0x85
221 #define MGN_MCS6 0x86
222 #define MGN_MCS7 0x87
223 #define MGN_MCS8 0x88
224 #define MGN_MCS9 0x89
225 #define MGN_MCS10 0x8a
226 #define MGN_MCS11 0x8b
227 #define MGN_MCS12 0x8c
228 #define MGN_MCS13 0x8d
229 #define MGN_MCS14 0x8e
230 #define MGN_MCS15 0x8f
231
232 enum hw_variables {
233 HW_VAR_ETHER_ADDR,
234 HW_VAR_MULTICAST_REG,
235 HW_VAR_BASIC_RATE,
236 HW_VAR_BSSID,
237 HW_VAR_MEDIA_STATUS,
238 HW_VAR_SECURITY_CONF,
239 HW_VAR_BEACON_INTERVAL,
240 HW_VAR_ATIM_WINDOW,
241 HW_VAR_LISTEN_INTERVAL,
242 HW_VAR_CS_COUNTER,
243 HW_VAR_DEFAULTKEY0,
244 HW_VAR_DEFAULTKEY1,
245 HW_VAR_DEFAULTKEY2,
246 HW_VAR_DEFAULTKEY3,
247 HW_VAR_SIFS,
248 HW_VAR_DIFS,
249 HW_VAR_EIFS,
250 HW_VAR_SLOT_TIME,
251 HW_VAR_ACK_PREAMBLE,
252 HW_VAR_CW_CONFIG,
253 HW_VAR_CW_VALUES,
254 HW_VAR_RATE_FALLBACK_CONTROL,
255 HW_VAR_CONTENTION_WINDOW,
256 HW_VAR_RETRY_COUNT,
257 HW_VAR_TR_SWITCH,
258 HW_VAR_COMMAND,
259 HW_VAR_WPA_CONFIG,
260 HW_VAR_AMPDU_MIN_SPACE,
261 HW_VAR_SHORTGI_DENSITY,
262 HW_VAR_AMPDU_FACTOR,
263 HW_VAR_MCS_RATE_AVAILABLE,
264 HW_VAR_AC_PARAM,
265 HW_VAR_ACM_CTRL,
266 HW_VAR_DIS_Req_Qsize,
267 HW_VAR_CCX_CHNL_LOAD,
268 HW_VAR_CCX_NOISE_HISTOGRAM,
269 HW_VAR_CCX_CLM_NHM,
270 HW_VAR_TxOPLimit,
271 HW_VAR_TURBO_MODE,
272 HW_VAR_RF_STATE,
273 HW_VAR_RF_OFF_BY_HW,
274 HW_VAR_BUS_SPEED,
275 HW_VAR_SET_DEV_POWER,
276
277 HW_VAR_RCR,
278 HW_VAR_RATR_0,
279 HW_VAR_RRSR,
280 HW_VAR_CPU_RST,
281 HW_VAR_CECHK_BSSID,
282 HW_VAR_LBK_MODE,
283 HW_VAR_AES_11N_FIX,
284 HW_VAR_USB_RX_AGGR,
285 HW_VAR_USER_CONTROL_TURBO_MODE,
286 HW_VAR_RETRY_LIMIT,
287 HW_VAR_INIT_TX_RATE,
288 HW_VAR_TX_RATE_REG,
289 HW_VAR_EFUSE_USAGE,
290 HW_VAR_EFUSE_BYTES,
291 HW_VAR_AUTOLOAD_STATUS,
292 HW_VAR_RF_2R_DISABLE,
293 HW_VAR_SET_RPWM,
294 HW_VAR_H2C_FW_PWRMODE,
295 HW_VAR_H2C_FW_JOINBSSRPT,
296 HW_VAR_1X1_RECV_COMBINE,
297 HW_VAR_STOP_SEND_BEACON,
298 HW_VAR_TSF_TIMER,
299 HW_VAR_IO_CMD,
300
301 HW_VAR_RF_RECOVERY,
302 HW_VAR_H2C_FW_UPDATE_GTK,
303 HW_VAR_WF_MASK,
304 HW_VAR_WF_CRC,
305 HW_VAR_WF_IS_MAC_ADDR,
306 HW_VAR_H2C_FW_OFFLOAD,
307 HW_VAR_RESET_WFCRC,
308
309 HW_VAR_HANDLE_FW_C2H,
310 HW_VAR_DL_FW_RSVD_PAGE,
311 HW_VAR_AID,
312 HW_VAR_HW_SEQ_ENABLE,
313 HW_VAR_CORRECT_TSF,
314 HW_VAR_BCN_VALID,
315 HW_VAR_FWLPS_RF_ON,
316 HW_VAR_DUAL_TSF_RST,
317 HW_VAR_SWITCH_EPHY_WoWLAN,
318 HW_VAR_INT_MIGRATION,
319 HW_VAR_INT_AC,
320 HW_VAR_RF_TIMING,
321 };
322
323 enum rt_op_mode {
324 RT_OP_MODE_AP,
325 RT_OP_MODE_INFRASTRUCTURE,
326 RT_OP_MODE_IBSS,
327 RT_OP_MODE_NO_LINK,
328 };
329
330
331 #define aSifsTime \
332 (((priv->rtllib->current_network.mode == IEEE_A) \
333 || (priv->rtllib->current_network.mode == IEEE_N_24G) \
334 || (priv->rtllib->current_network.mode == IEEE_N_5G)) ? 16 : 10)
335
336 #define MGMT_QUEUE_NUM 5
337
338 #define IEEE_CMD_SET_WPA_PARAM 1
339 #define IEEE_CMD_SET_WPA_IE 2
340 #define IEEE_CMD_SET_ENCRYPTION 3
341 #define IEEE_CMD_MLME 4
342
343 #define IEEE_PARAM_WPA_ENABLED 1
344 #define IEEE_PARAM_TKIP_COUNTERMEASURES 2
345 #define IEEE_PARAM_DROP_UNENCRYPTED 3
346 #define IEEE_PARAM_PRIVACY_INVOKED 4
347 #define IEEE_PARAM_AUTH_ALGS 5
348 #define IEEE_PARAM_IEEE_802_1X 6
349 #define IEEE_PARAM_WPAX_SELECT 7
350
351 #define IEEE_MLME_STA_DEAUTH 1
352 #define IEEE_MLME_STA_DISASSOC 2
353
354
355 #define IEEE_CRYPT_ERR_UNKNOWN_ALG 2
356 #define IEEE_CRYPT_ERR_CRYPT_INIT_FAILED 4
357 #define IEEE_CRYPT_ERR_KEY_SET_FAILED 5
358 #define IEEE_CRYPT_ERR_CARD_CONF_FAILED 7
359 #define IEEE_CRYPT_ALG_NAME_LEN 16
360
361 #define MAX_IE_LEN 0xff
362
363 struct ieee_param {
364 u32 cmd;
365 u8 sta_addr[ETH_ALEN];
366 union {
367 struct {
368 u8 name;
369 u32 value;
370 } wpa_param;
371 struct {
372 u32 len;
373 u8 reserved[32];
374 u8 data[0];
375 } wpa_ie;
376 struct {
377 int command;
378 int reason_code;
379 } mlme;
380 struct {
381 u8 alg[IEEE_CRYPT_ALG_NAME_LEN];
382 u8 set_tx;
383 u32 err;
384 u8 idx;
385 u8 seq[8]; /* sequence counter (set: RX, get: TX) */
386 u16 key_len;
387 u8 key[0];
388 } crypt;
389 } u;
390 };
391
392 #define msleep_interruptible_rsl msleep_interruptible
393
394 /* Maximum size for the MA-UNITDATA primitive, 802.11 standard section
395 * 6.2.1.1.2.
396 *
397 * The figure in section 7.1.2 suggests a body size of up to 2312
398 * bytes is allowed, which is a bit confusing, I suspect this
399 * represents the 2304 bytes of real data, plus a possible 8 bytes of
400 * WEP IV and ICV. (this interpretation suggested by Ramiro Barreiro)
401 */
402 #define RTLLIB_1ADDR_LEN 10
403 #define RTLLIB_2ADDR_LEN 16
404 #define RTLLIB_3ADDR_LEN 24
405 #define RTLLIB_4ADDR_LEN 30
406 #define RTLLIB_FCS_LEN 4
407
408 #define RTLLIB_SKBBUFFER_SIZE 2500
409
410 #define MIN_FRAG_THRESHOLD 256U
411 #define MAX_FRAG_THRESHOLD 2346U
412
413 /* Frame control field constants */
414 #define RTLLIB_FCTL_FTYPE 0x000c
415 #define RTLLIB_FCTL_STYPE 0x00f0
416 #define RTLLIB_FCTL_FRAMETYPE 0x00fc
417 #define RTLLIB_FCTL_TODS 0x0100
418 #define RTLLIB_FCTL_FROMDS 0x0200
419 #define RTLLIB_FCTL_DSTODS 0x0300
420 #define RTLLIB_FCTL_MOREFRAGS 0x0400
421 #define RTLLIB_FCTL_RETRY 0x0800
422 #define RTLLIB_FCTL_PM 0x1000
423 #define RTLLIB_FCTL_MOREDATA 0x2000
424 #define RTLLIB_FCTL_WEP 0x4000
425 #define RTLLIB_FCTL_ORDER 0x8000
426
427 #define RTLLIB_FTYPE_MGMT 0x0000
428 #define RTLLIB_FTYPE_CTL 0x0004
429 #define RTLLIB_FTYPE_DATA 0x0008
430
431 /* management */
432 #define RTLLIB_STYPE_ASSOC_REQ 0x0000
433 #define RTLLIB_STYPE_ASSOC_RESP 0x0010
434 #define RTLLIB_STYPE_REASSOC_REQ 0x0020
435 #define RTLLIB_STYPE_REASSOC_RESP 0x0030
436 #define RTLLIB_STYPE_PROBE_REQ 0x0040
437 #define RTLLIB_STYPE_PROBE_RESP 0x0050
438 #define RTLLIB_STYPE_BEACON 0x0080
439 #define RTLLIB_STYPE_ATIM 0x0090
440 #define RTLLIB_STYPE_DISASSOC 0x00A0
441 #define RTLLIB_STYPE_AUTH 0x00B0
442 #define RTLLIB_STYPE_DEAUTH 0x00C0
443 #define RTLLIB_STYPE_MANAGE_ACT 0x00D0
444
445 /* control */
446 #define RTLLIB_STYPE_PSPOLL 0x00A0
447 #define RTLLIB_STYPE_RTS 0x00B0
448 #define RTLLIB_STYPE_CTS 0x00C0
449 #define RTLLIB_STYPE_ACK 0x00D0
450
451 /* data */
452 #define RTLLIB_STYPE_DATA 0x0000
453 #define RTLLIB_STYPE_DATA_CFACK 0x0010
454 #define RTLLIB_STYPE_DATA_CFPOLL 0x0020
455 #define RTLLIB_STYPE_DATA_CFACKPOLL 0x0030
456 #define RTLLIB_STYPE_NULLFUNC 0x0040
457 #define RTLLIB_STYPE_QOS_DATA 0x0080
458 #define RTLLIB_STYPE_QOS_NULL 0x00C0
459
460 #define RTLLIB_SCTL_FRAG 0x000F
461 #define RTLLIB_SCTL_SEQ 0xFFF0
462
463 /* QOS control */
464 #define RTLLIB_QCTL_TID 0x000F
465
466 #define FC_QOS_BIT BIT7
467 #define IsDataFrame(pdu) (((pdu[0] & 0x0C) == 0x08) ? true : false)
468 #define IsLegacyDataFrame(pdu) (IsDataFrame(pdu) && (!(pdu[0]&FC_QOS_BIT)))
469 #define IsQoSDataFrame(pframe) \
470 ((*(u16 *)pframe&(RTLLIB_STYPE_QOS_DATA|RTLLIB_FTYPE_DATA)) == \
471 (RTLLIB_STYPE_QOS_DATA|RTLLIB_FTYPE_DATA))
472 #define Frame_Order(pframe) (*(u16 *)pframe&RTLLIB_FCTL_ORDER)
473 #define SN_LESS(a, b) (((a-b)&0x800) != 0)
474 #define SN_EQUAL(a, b) (a == b)
475 #define MAX_DEV_ADDR_SIZE 8
476
477 enum act_category {
478 ACT_CAT_QOS = 1,
479 ACT_CAT_DLS = 2,
480 ACT_CAT_BA = 3,
481 ACT_CAT_HT = 7,
482 ACT_CAT_WMM = 17,
483 };
484
485 enum ba_action {
486 ACT_ADDBAREQ = 0,
487 ACT_ADDBARSP = 1,
488 ACT_DELBA = 2,
489 };
490
491 enum init_gain_op_type {
492 IG_Backup = 0,
493 IG_Restore,
494 IG_Max
495 };
496
497 enum led_ctl_mode {
498 LED_CTL_POWER_ON = 1,
499 LED_CTL_LINK = 2,
500 LED_CTL_NO_LINK = 3,
501 LED_CTL_TX = 4,
502 LED_CTL_RX = 5,
503 LED_CTL_SITE_SURVEY = 6,
504 LED_CTL_POWER_OFF = 7,
505 LED_CTL_START_TO_LINK = 8,
506 };
507
508 enum rt_rf_type_def {
509 RF_1T2R = 0,
510 RF_2T4R,
511 };
512
513 enum wireless_mode {
514 WIRELESS_MODE_UNKNOWN = 0x00,
515 WIRELESS_MODE_A = 0x01,
516 WIRELESS_MODE_B = 0x02,
517 WIRELESS_MODE_G = 0x04,
518 WIRELESS_MODE_AUTO = 0x08,
519 WIRELESS_MODE_N_24G = 0x10,
520 WIRELESS_MODE_N_5G = 0x20
521 };
522
523 #ifndef ETH_P_PAE
524 #define ETH_P_PAE 0x888E /* Port Access Entity (IEEE 802.1X) */
525 #define ETH_P_IP 0x0800 /* Internet Protocol packet */
526 #define ETH_P_ARP 0x0806 /* Address Resolution packet */
527 #endif /* ETH_P_PAE */
528
529 #ifndef ETH_P_80211_RAW
530 #define ETH_P_80211_RAW (ETH_P_ECONET + 1)
531 #endif
532
533 /* IEEE 802.11 defines */
534
535 #define P80211_OUI_LEN 3
536
537 struct rtllib_snap_hdr {
538
539 u8 dsap; /* always 0xAA */
540 u8 ssap; /* always 0xAA */
541 u8 ctrl; /* always 0x03 */
542 u8 oui[P80211_OUI_LEN]; /* organizational universal id */
543
544 } __packed;
545
546 enum _REG_PREAMBLE_MODE {
547 PREAMBLE_LONG = 1,
548 PREAMBLE_AUTO = 2,
549 PREAMBLE_SHORT = 3,
550 };
551
552 #define SNAP_SIZE sizeof(struct rtllib_snap_hdr)
553
554 #define WLAN_FC_GET_TYPE(fc) ((fc) & RTLLIB_FCTL_FTYPE)
555 #define WLAN_FC_GET_STYPE(fc) ((fc) & RTLLIB_FCTL_STYPE)
556 #define WLAN_FC_MORE_DATA(fc) ((fc) & RTLLIB_FCTL_MOREDATA)
557
558 #define WLAN_FC_GET_FRAMETYPE(fc) ((fc) & RTLLIB_FCTL_FRAMETYPE)
559 #define WLAN_GET_SEQ_FRAG(seq) ((seq) & RTLLIB_SCTL_FRAG)
560 #define WLAN_GET_SEQ_SEQ(seq) (((seq) & RTLLIB_SCTL_SEQ) >> 4)
561
562 /* Authentication algorithms */
563 #define WLAN_AUTH_OPEN 0
564 #define WLAN_AUTH_SHARED_KEY 1
565 #define WLAN_AUTH_LEAP 128
566
567 #define WLAN_CAPABILITY_ESS (1<<0)
568 #define WLAN_CAPABILITY_IBSS (1<<1)
569 #define WLAN_CAPABILITY_PRIVACY (1<<4)
570 #define WLAN_CAPABILITY_SHORT_PREAMBLE (1<<5)
571 #define WLAN_CAPABILITY_SHORT_SLOT_TIME (1<<10)
572
573 #define RTLLIB_STATMASK_SIGNAL (1<<0)
574 #define RTLLIB_STATMASK_RSSI (1<<1)
575 #define RTLLIB_STATMASK_NOISE (1<<2)
576 #define RTLLIB_STATMASK_WEMASK 0x7
577
578 #define RTLLIB_CCK_MODULATION (1<<0)
579 #define RTLLIB_OFDM_MODULATION (1<<1)
580
581 #define RTLLIB_24GHZ_BAND (1<<0)
582 #define RTLLIB_52GHZ_BAND (1<<1)
583
584 #define RTLLIB_CCK_RATE_LEN 4
585 #define RTLLIB_CCK_RATE_1MB 0x02
586 #define RTLLIB_CCK_RATE_2MB 0x04
587 #define RTLLIB_CCK_RATE_5MB 0x0B
588 #define RTLLIB_CCK_RATE_11MB 0x16
589 #define RTLLIB_OFDM_RATE_LEN 8
590 #define RTLLIB_OFDM_RATE_6MB 0x0C
591 #define RTLLIB_OFDM_RATE_9MB 0x12
592 #define RTLLIB_OFDM_RATE_12MB 0x18
593 #define RTLLIB_OFDM_RATE_18MB 0x24
594 #define RTLLIB_OFDM_RATE_24MB 0x30
595 #define RTLLIB_OFDM_RATE_36MB 0x48
596 #define RTLLIB_OFDM_RATE_48MB 0x60
597 #define RTLLIB_OFDM_RATE_54MB 0x6C
598 #define RTLLIB_BASIC_RATE_MASK 0x80
599
600 /* this is stolen and modified from the madwifi driver*/
601 #define RTLLIB_FC0_TYPE_MASK 0x0c
602 #define RTLLIB_FC0_TYPE_DATA 0x08
603 #define RTLLIB_FC0_SUBTYPE_MASK 0xB0
604 #define RTLLIB_FC0_SUBTYPE_QOS 0x80
605
606 #define RTLLIB_QOS_HAS_SEQ(fc) \
607 (((fc) & (RTLLIB_FC0_TYPE_MASK | RTLLIB_FC0_SUBTYPE_MASK)) == \
608 (RTLLIB_FC0_TYPE_DATA | RTLLIB_FC0_SUBTYPE_QOS))
609
610 /* this is stolen from ipw2200 driver */
611 #define IEEE_IBSS_MAC_HASH_SIZE 31
612 struct ieee_ibss_seq {
613 u8 mac[ETH_ALEN];
614 u16 seq_num[17];
615 u16 frag_num[17];
616 unsigned long packet_time[17];
617 struct list_head list;
618 };
619
620 /* NOTE: This data is for statistical purposes; not all hardware provides this
621 * information for frames received. Not setting these will not cause
622 * any adverse affects. */
623 struct rtllib_rx_stats {
624 u64 mac_time;
625 s8 rssi;
626 u8 signal;
627 u8 noise;
628 u16 rate; /* in 100 kbps */
629 u8 received_channel;
630 u8 control;
631 u8 mask;
632 u8 freq;
633 u16 len;
634 u64 tsf;
635 u32 beacon_time;
636 u8 nic_type;
637 u16 Length;
638 u8 SignalQuality;
639 s32 RecvSignalPower;
640 s8 RxPower;
641 u8 SignalStrength;
642 u16 bHwError:1;
643 u16 bCRC:1;
644 u16 bICV:1;
645 u16 bShortPreamble:1;
646 u16 Antenna:1;
647 u16 Decrypted:1;
648 u16 Wakeup:1;
649 u16 Reserved0:1;
650 u8 AGC;
651 u32 TimeStampLow;
652 u32 TimeStampHigh;
653 bool bShift;
654 bool bIsQosData;
655
656 u8 RxDrvInfoSize;
657 u8 RxBufShift;
658 bool bIsAMPDU;
659 bool bFirstMPDU;
660 bool bContainHTC;
661 bool RxIs40MHzPacket;
662 u32 RxPWDBAll;
663 u8 RxMIMOSignalStrength[4];
664 s8 RxMIMOSignalQuality[2];
665 bool bPacketMatchBSSID;
666 bool bIsCCK;
667 bool bPacketToSelf;
668 u16 packetlength;
669 u16 fraglength;
670 u16 fragoffset;
671 u16 ntotalfrag;
672 bool bPacketBeacon;
673 bool bToSelfBA;
674 u16 Seq_Num;
675 };
676
677 /* IEEE 802.11 requires that STA supports concurrent reception of at least
678 * three fragmented frames. This define can be increased to support more
679 * concurrent frames, but it should be noted that each entry can consume about
680 * 2 kB of RAM and increasing cache size will slow down frame reassembly.
681 */
682 #define RTLLIB_FRAG_CACHE_LEN 4
683
684 struct rtllib_frag_entry {
685 unsigned long first_frag_time;
686 unsigned int seq;
687 unsigned int last_frag;
688 struct sk_buff *skb;
689 u8 src_addr[ETH_ALEN];
690 u8 dst_addr[ETH_ALEN];
691 };
692
693 struct rtllib_device;
694
695 #define SEC_ACTIVE_KEY (1<<4)
696 #define SEC_AUTH_MODE (1<<5)
697 #define SEC_UNICAST_GROUP (1<<6)
698 #define SEC_LEVEL (1<<7)
699 #define SEC_ENABLED (1<<8)
700
701 #define SEC_LEVEL_0 0 /* None */
702 #define SEC_LEVEL_1 1 /* WEP 40 and 104 bit */
703 #define SEC_LEVEL_2 2 /* Level 1 + TKIP */
704 #define SEC_LEVEL_2_CKIP 3 /* Level 1 + CKIP */
705 #define SEC_LEVEL_3 4 /* Level 2 + CCMP */
706
707 #define SEC_ALG_NONE 0
708 #define SEC_ALG_WEP 1
709 #define SEC_ALG_TKIP 2
710 #define SEC_ALG_CCMP 4
711
712 #define WEP_KEY_LEN 13
713 #define SCM_KEY_LEN 32
714
715 struct rtllib_security {
716 u16 active_key:2,
717 enabled:1,
718 auth_mode:2,
719 auth_algo:4,
720 unicast_uses_group:1,
721 encrypt:1;
722 u8 key_sizes[NUM_WEP_KEYS];
723 u8 keys[NUM_WEP_KEYS][SCM_KEY_LEN];
724 u8 level;
725 u16 flags;
726 } __packed;
727
728
729 /* 802.11 data frame from AP
730 * ,-------------------------------------------------------------------.
731 * Bytes | 2 | 2 | 6 | 6 | 6 | 2 | 0..2312 | 4 |
732 * |------|------|---------|---------|---------|------|---------|------|
733 * Desc. | ctrl | dura | DA/RA | TA | SA | Sequ | frame | fcs |
734 * | | tion | (BSSID) | | | ence | data | |
735 * `-------------------------------------------------------------------'
736 * Total: 28-2340 bytes
737 */
738
739 /* Management Frame Information Element Types */
740 enum rtllib_mfie {
741 MFIE_TYPE_SSID = 0,
742 MFIE_TYPE_RATES = 1,
743 MFIE_TYPE_FH_SET = 2,
744 MFIE_TYPE_DS_SET = 3,
745 MFIE_TYPE_CF_SET = 4,
746 MFIE_TYPE_TIM = 5,
747 MFIE_TYPE_IBSS_SET = 6,
748 MFIE_TYPE_COUNTRY = 7,
749 MFIE_TYPE_HOP_PARAMS = 8,
750 MFIE_TYPE_HOP_TABLE = 9,
751 MFIE_TYPE_REQUEST = 10,
752 MFIE_TYPE_CHALLENGE = 16,
753 MFIE_TYPE_POWER_CONSTRAINT = 32,
754 MFIE_TYPE_POWER_CAPABILITY = 33,
755 MFIE_TYPE_TPC_REQUEST = 34,
756 MFIE_TYPE_TPC_REPORT = 35,
757 MFIE_TYPE_SUPP_CHANNELS = 36,
758 MFIE_TYPE_CSA = 37,
759 MFIE_TYPE_MEASURE_REQUEST = 38,
760 MFIE_TYPE_MEASURE_REPORT = 39,
761 MFIE_TYPE_QUIET = 40,
762 MFIE_TYPE_IBSS_DFS = 41,
763 MFIE_TYPE_ERP = 42,
764 MFIE_TYPE_HT_CAP = 45,
765 MFIE_TYPE_RSN = 48,
766 MFIE_TYPE_RATES_EX = 50,
767 MFIE_TYPE_HT_INFO = 61,
768 MFIE_TYPE_AIRONET = 133,
769 MFIE_TYPE_GENERIC = 221,
770 MFIE_TYPE_QOS_PARAMETER = 222,
771 };
772
773 /* Minimal header; can be used for passing 802.11 frames with sufficient
774 * information to determine what type of underlying data type is actually
775 * stored in the data.
776 */
777 struct rtllib_pspoll_hdr {
778 __le16 frame_ctl;
779 __le16 aid;
780 u8 bssid[ETH_ALEN];
781 u8 ta[ETH_ALEN];
782 } __packed;
783
784 struct rtllib_hdr {
785 __le16 frame_ctl;
786 __le16 duration_id;
787 u8 payload[0];
788 } __packed;
789
790 struct rtllib_hdr_1addr {
791 __le16 frame_ctl;
792 __le16 duration_id;
793 u8 addr1[ETH_ALEN];
794 u8 payload[0];
795 } __packed;
796
797 struct rtllib_hdr_2addr {
798 __le16 frame_ctl;
799 __le16 duration_id;
800 u8 addr1[ETH_ALEN];
801 u8 addr2[ETH_ALEN];
802 u8 payload[0];
803 } __packed;
804
805 struct rtllib_hdr_3addr {
806 __le16 frame_ctl;
807 __le16 duration_id;
808 u8 addr1[ETH_ALEN];
809 u8 addr2[ETH_ALEN];
810 u8 addr3[ETH_ALEN];
811 __le16 seq_ctl;
812 u8 payload[0];
813 } __packed;
814
815 struct rtllib_hdr_4addr {
816 __le16 frame_ctl;
817 __le16 duration_id;
818 u8 addr1[ETH_ALEN];
819 u8 addr2[ETH_ALEN];
820 u8 addr3[ETH_ALEN];
821 __le16 seq_ctl;
822 u8 addr4[ETH_ALEN];
823 u8 payload[0];
824 } __packed;
825
826 struct rtllib_hdr_3addrqos {
827 __le16 frame_ctl;
828 __le16 duration_id;
829 u8 addr1[ETH_ALEN];
830 u8 addr2[ETH_ALEN];
831 u8 addr3[ETH_ALEN];
832 __le16 seq_ctl;
833 __le16 qos_ctl;
834 u8 payload[0];
835 } __packed;
836
837 struct rtllib_hdr_4addrqos {
838 __le16 frame_ctl;
839 __le16 duration_id;
840 u8 addr1[ETH_ALEN];
841 u8 addr2[ETH_ALEN];
842 u8 addr3[ETH_ALEN];
843 __le16 seq_ctl;
844 u8 addr4[ETH_ALEN];
845 __le16 qos_ctl;
846 u8 payload[0];
847 } __packed;
848
849 struct rtllib_info_element {
850 u8 id;
851 u8 len;
852 u8 data[0];
853 } __packed;
854
855 struct rtllib_authentication {
856 struct rtllib_hdr_3addr header;
857 __le16 algorithm;
858 __le16 transaction;
859 __le16 status;
860 /*challenge*/
861 struct rtllib_info_element info_element[0];
862 } __packed;
863
864 struct rtllib_disauth {
865 struct rtllib_hdr_3addr header;
866 __le16 reason;
867 } __packed;
868
869 struct rtllib_disassoc {
870 struct rtllib_hdr_3addr header;
871 __le16 reason;
872 } __packed;
873
874 struct rtllib_probe_request {
875 struct rtllib_hdr_3addr header;
876 /* SSID, supported rates */
877 struct rtllib_info_element info_element[0];
878 } __packed;
879
880 struct rtllib_probe_response {
881 struct rtllib_hdr_3addr header;
882 u32 time_stamp[2];
883 __le16 beacon_interval;
884 __le16 capability;
885 /* SSID, supported rates, FH params, DS params,
886 * CF params, IBSS params, TIM (if beacon), RSN
887 */
888 struct rtllib_info_element info_element[0];
889 } __packed;
890
891 /* Alias beacon for probe_response */
892 #define rtllib_beacon rtllib_probe_response
893
894 struct rtllib_assoc_request_frame {
895 struct rtllib_hdr_3addr header;
896 __le16 capability;
897 __le16 listen_interval;
898 /* SSID, supported rates, RSN */
899 struct rtllib_info_element info_element[0];
900 } __packed;
901
902 struct rtllib_assoc_response_frame {
903 struct rtllib_hdr_3addr header;
904 __le16 capability;
905 __le16 status;
906 __le16 aid;
907 struct rtllib_info_element info_element[0]; /* supported rates */
908 } __packed;
909
910 struct rtllib_txb {
911 u8 nr_frags;
912 u8 encrypted;
913 u8 queue_index;
914 u8 rts_included;
915 u16 reserved;
916 __le16 frag_size;
917 __le16 payload_size;
918 struct sk_buff *fragments[0];
919 };
920
921 #define MAX_SUBFRAME_COUNT 64
922 struct rtllib_rxb {
923 u8 nr_subframes;
924 struct sk_buff *subframes[MAX_SUBFRAME_COUNT];
925 u8 dst[ETH_ALEN];
926 u8 src[ETH_ALEN];
927 } __packed;
928
929 union frameqos {
930 u16 shortdata;
931 u8 chardata[2];
932 struct {
933 u16 tid:4;
934 u16 eosp:1;
935 u16 ack_policy:2;
936 u16 reserved:1;
937 u16 txop:8;
938 } field;
939 };
940
941 /* MAX_RATES_LENGTH needs to be 12. The spec says 8, and many APs
942 * only use 8, and then use extended rates for the remaining supported
943 * rates. Other APs, however, stick all of their supported rates on the
944 * main rates information element...
945 */
946 #define MAX_RATES_LENGTH ((u8)12)
947 #define MAX_RATES_EX_LENGTH ((u8)16)
948 #define MAX_NETWORK_COUNT 96
949
950 #define MAX_CHANNEL_NUMBER 161
951 #define RTLLIB_SOFTMAC_SCAN_TIME 100
952 #define RTLLIB_SOFTMAC_ASSOC_RETRY_TIME (HZ * 2)
953
954 #define MAX_WPA_IE_LEN 64
955 #define MAX_WZC_IE_LEN 256
956
957 #define NETWORK_EMPTY_ESSID (1<<0)
958 #define NETWORK_HAS_OFDM (1<<1)
959 #define NETWORK_HAS_CCK (1<<2)
960
961 /* QoS structure */
962 #define NETWORK_HAS_QOS_PARAMETERS (1<<3)
963 #define NETWORK_HAS_QOS_INFORMATION (1<<4)
964 #define NETWORK_HAS_QOS_MASK (NETWORK_HAS_QOS_PARAMETERS | \
965 NETWORK_HAS_QOS_INFORMATION)
966 /* 802.11h */
967 #define NETWORK_HAS_ERP_VALUE (1<<10)
968
969 #define QOS_QUEUE_NUM 4
970 #define QOS_OUI_LEN 3
971 #define QOS_OUI_TYPE 2
972 #define QOS_ELEMENT_ID 221
973 #define QOS_OUI_INFO_SUB_TYPE 0
974 #define QOS_OUI_PARAM_SUB_TYPE 1
975 #define QOS_VERSION_1 1
976
977 struct rtllib_qos_information_element {
978 u8 elementID;
979 u8 length;
980 u8 qui[QOS_OUI_LEN];
981 u8 qui_type;
982 u8 qui_subtype;
983 u8 version;
984 u8 ac_info;
985 } __packed;
986
987 struct rtllib_qos_ac_parameter {
988 u8 aci_aifsn;
989 u8 ecw_min_max;
990 __le16 tx_op_limit;
991 } __packed;
992
993 struct rtllib_qos_parameter_info {
994 struct rtllib_qos_information_element info_element;
995 u8 reserved;
996 struct rtllib_qos_ac_parameter ac_params_record[QOS_QUEUE_NUM];
997 } __packed;
998
999 struct rtllib_qos_parameters {
1000 __le16 cw_min[QOS_QUEUE_NUM];
1001 __le16 cw_max[QOS_QUEUE_NUM];
1002 u8 aifs[QOS_QUEUE_NUM];
1003 u8 flag[QOS_QUEUE_NUM];
1004 __le16 tx_op_limit[QOS_QUEUE_NUM];
1005 } __packed;
1006
1007 struct rtllib_qos_data {
1008 struct rtllib_qos_parameters parameters;
1009 unsigned int wmm_acm;
1010 int active;
1011 int supported;
1012 u8 param_count;
1013 u8 old_param_count;
1014 };
1015
1016 struct rtllib_tim_parameters {
1017 u8 tim_count;
1018 u8 tim_period;
1019 } __packed;
1020
1021 struct rtllib_wmm_ac_param {
1022 u8 ac_aci_acm_aifsn;
1023 u8 ac_ecwmin_ecwmax;
1024 u16 ac_txop_limit;
1025 };
1026
1027 enum eap_type {
1028 EAP_PACKET = 0,
1029 EAPOL_START,
1030 EAPOL_LOGOFF,
1031 EAPOL_KEY,
1032 EAPOL_ENCAP_ASF_ALERT
1033 };
1034
1035 static const char * const eap_types[] = {
1036 [EAP_PACKET] = "EAP-Packet",
1037 [EAPOL_START] = "EAPOL-Start",
1038 [EAPOL_LOGOFF] = "EAPOL-Logoff",
1039 [EAPOL_KEY] = "EAPOL-Key",
1040 [EAPOL_ENCAP_ASF_ALERT] = "EAPOL-Encap-ASF-Alert"
1041 };
1042
eap_get_type(int type)1043 static inline const char *eap_get_type(int type)
1044 {
1045 return ((u32)type >= ARRAY_SIZE(eap_types)) ? "Unknown" :
1046 eap_types[type];
1047 }
Frame_QoSTID(u8 * buf)1048 static inline u8 Frame_QoSTID(u8 *buf)
1049 {
1050 struct rtllib_hdr_3addr *hdr;
1051 u16 fc;
1052
1053 hdr = (struct rtllib_hdr_3addr *)buf;
1054 fc = le16_to_cpu(hdr->frame_ctl);
1055 return (u8)((union frameqos *)(buf + (((fc & RTLLIB_FCTL_TODS) &&
1056 (fc & RTLLIB_FCTL_FROMDS)) ? 30 : 24)))->field.tid;
1057 }
1058
1059
1060 struct eapol {
1061 u8 snap[6];
1062 u16 ethertype;
1063 u8 version;
1064 u8 type;
1065 u16 length;
1066 } __packed;
1067
1068 struct rtllib_softmac_stats {
1069 unsigned int rx_ass_ok;
1070 unsigned int rx_ass_err;
1071 unsigned int rx_probe_rq;
1072 unsigned int tx_probe_rs;
1073 unsigned int tx_beacons;
1074 unsigned int rx_auth_rq;
1075 unsigned int rx_auth_rs_ok;
1076 unsigned int rx_auth_rs_err;
1077 unsigned int tx_auth_rq;
1078 unsigned int no_auth_rs;
1079 unsigned int no_ass_rs;
1080 unsigned int tx_ass_rq;
1081 unsigned int rx_ass_rq;
1082 unsigned int tx_probe_rq;
1083 unsigned int reassoc;
1084 unsigned int swtxstop;
1085 unsigned int swtxawake;
1086 unsigned char CurrentShowTxate;
1087 unsigned char last_packet_rate;
1088 unsigned int txretrycount;
1089 };
1090
1091 /* These are the data types that can make up management packets
1092 *
1093 * u16 auth_algorithm;
1094 * u16 auth_sequence;
1095 * u16 beacon_interval;
1096 * u16 capability;
1097 * u8 current_ap[ETH_ALEN];
1098 * u16 listen_interval;
1099 * struct {
1100 * u16 association_id:14, reserved:2;
1101 * } __packed;
1102 * u32 time_stamp[2];
1103 * u16 reason;
1104 * u16 status;
1105 */
1106
1107 #define RTLLIB_DEFAULT_TX_ESSID "Penguin"
1108 #define RTLLIB_DEFAULT_BASIC_RATE 2
1109
1110 enum {WMM_all_frame, WMM_two_frame, WMM_four_frame, WMM_six_frame};
1111 #define MAX_SP_Len (WMM_all_frame << 4)
1112 #define RTLLIB_QOS_TID 0x0f
1113 #define QOS_CTL_NOTCONTAIN_ACK (0x01 << 5)
1114
1115 #define RTLLIB_DTIM_MBCAST 4
1116 #define RTLLIB_DTIM_UCAST 2
1117 #define RTLLIB_DTIM_VALID 1
1118 #define RTLLIB_DTIM_INVALID 0
1119
1120 #define RTLLIB_PS_DISABLED 0
1121 #define RTLLIB_PS_UNICAST RTLLIB_DTIM_UCAST
1122 #define RTLLIB_PS_MBCAST RTLLIB_DTIM_MBCAST
1123
1124 #define WME_AC_BK 0x00
1125 #define WME_AC_BE 0x01
1126 #define WME_AC_VI 0x02
1127 #define WME_AC_VO 0x03
1128 #define WME_AC_PRAM_LEN 16
1129
1130 #define MAX_RECEIVE_BUFFER_SIZE 9100
1131
1132 #define UP2AC(up) ( \
1133 ((up) < 1) ? WME_AC_BE : \
1134 ((up) < 3) ? WME_AC_BK : \
1135 ((up) < 4) ? WME_AC_BE : \
1136 ((up) < 6) ? WME_AC_VI : \
1137 WME_AC_VO)
1138
1139 #define ETHER_ADDR_LEN 6 /* length of an Ethernet address */
1140 #define ETHERNET_HEADER_SIZE 14 /* length of two Ethernet address
1141 * plus ether type*/
1142
1143 enum erp_t {
1144 ERP_NonERPpresent = 0x01,
1145 ERP_UseProtection = 0x02,
1146 ERP_BarkerPreambleMode = 0x04,
1147 };
1148
1149 struct rtllib_network {
1150 /* These entries are used to identify a unique network */
1151 u8 bssid[ETH_ALEN];
1152 u8 channel;
1153 /* Ensure null-terminated for any debug msgs */
1154 u8 ssid[IW_ESSID_MAX_SIZE + 1];
1155 u8 ssid_len;
1156 u8 hidden_ssid[IW_ESSID_MAX_SIZE + 1];
1157 u8 hidden_ssid_len;
1158 struct rtllib_qos_data qos_data;
1159
1160 bool bWithAironetIE;
1161 bool bCkipSupported;
1162 bool bCcxRmEnable;
1163 u16 CcxRmState[2];
1164 bool bMBssidValid;
1165 u8 MBssidMask;
1166 u8 MBssid[ETH_ALEN];
1167 bool bWithCcxVerNum;
1168 u8 BssCcxVerNumber;
1169 /* These are network statistics */
1170 struct rtllib_rx_stats stats;
1171 u16 capability;
1172 u8 rates[MAX_RATES_LENGTH];
1173 u8 rates_len;
1174 u8 rates_ex[MAX_RATES_EX_LENGTH];
1175 u8 rates_ex_len;
1176 unsigned long last_scanned;
1177 u8 mode;
1178 u32 flags;
1179 u32 time_stamp[2];
1180 u16 beacon_interval;
1181 u16 listen_interval;
1182 u16 atim_window;
1183 u8 erp_value;
1184 u8 wpa_ie[MAX_WPA_IE_LEN];
1185 size_t wpa_ie_len;
1186 u8 rsn_ie[MAX_WPA_IE_LEN];
1187 size_t rsn_ie_len;
1188 u8 wzc_ie[MAX_WZC_IE_LEN];
1189 size_t wzc_ie_len;
1190
1191 struct rtllib_tim_parameters tim;
1192 u8 dtim_period;
1193 u8 dtim_data;
1194 u64 last_dtim_sta_time;
1195
1196 u8 wmm_info;
1197 struct rtllib_wmm_ac_param wmm_param[4];
1198 u8 Turbo_Enable;
1199 u16 CountryIeLen;
1200 u8 CountryIeBuf[MAX_IE_LEN];
1201 struct bss_ht bssht;
1202 bool broadcom_cap_exist;
1203 bool realtek_cap_exit;
1204 bool marvell_cap_exist;
1205 bool ralink_cap_exist;
1206 bool atheros_cap_exist;
1207 bool cisco_cap_exist;
1208 bool airgo_cap_exist;
1209 bool unknown_cap_exist;
1210 bool berp_info_valid;
1211 bool buseprotection;
1212 u8 SignalStrength;
1213 u8 RSSI;
1214 struct list_head list;
1215 };
1216
1217 enum rtllib_state {
1218
1219 /* the card is not linked at all */
1220 RTLLIB_NOLINK = 0,
1221
1222 /* RTLLIB_ASSOCIATING* are for BSS client mode
1223 * the driver shall not perform RX filtering unless
1224 * the state is LINKED.
1225 * The driver shall just check for the state LINKED and
1226 * defaults to NOLINK for ALL the other states (including
1227 * LINKED_SCANNING)
1228 */
1229
1230 /* the association procedure will start (wq scheduling)*/
1231 RTLLIB_ASSOCIATING,
1232 RTLLIB_ASSOCIATING_RETRY,
1233
1234 /* the association procedure is sending AUTH request*/
1235 RTLLIB_ASSOCIATING_AUTHENTICATING,
1236
1237 /* the association procedure has successfully authenticated
1238 * and is sending association request
1239 */
1240 RTLLIB_ASSOCIATING_AUTHENTICATED,
1241
1242 /* the link is ok. the card associated to a BSS or linked
1243 * to a ibss cell or acting as an AP and creating the bss
1244 */
1245 RTLLIB_LINKED,
1246
1247 /* same as LINKED, but the driver shall apply RX filter
1248 * rules as we are in NO_LINK mode. As the card is still
1249 * logically linked, but it is doing a syncro site survey
1250 * then it will be back to LINKED state.
1251 */
1252 RTLLIB_LINKED_SCANNING,
1253 };
1254
1255 #define DEFAULT_MAX_SCAN_AGE (15 * HZ)
1256 #define DEFAULT_FTS 2346
1257
1258 #define CFG_RTLLIB_RESERVE_FCS (1<<0)
1259 #define CFG_RTLLIB_COMPUTE_FCS (1<<1)
1260
1261 struct tx_pending {
1262 int frag;
1263 struct rtllib_txb *txb;
1264 };
1265
1266 struct bandwidth_autoswitch {
1267 long threshold_20Mhzto40Mhz;
1268 long threshold_40Mhzto20Mhz;
1269 bool bforced_tx20Mhz;
1270 bool bautoswitch_enable;
1271 };
1272
1273
1274
1275 #define REORDER_WIN_SIZE 128
1276 #define REORDER_ENTRY_NUM 128
1277 struct rx_reorder_entry {
1278 struct list_head List;
1279 u16 SeqNum;
1280 struct rtllib_rxb *prxb;
1281 };
1282 enum fsync_state {
1283 Default_Fsync,
1284 HW_Fsync,
1285 SW_Fsync
1286 };
1287
1288 enum rt_ps_mode {
1289 eActive,
1290 eMaxPs,
1291 eFastPs,
1292 eAutoPs,
1293 };
1294
1295 enum ips_callback_function {
1296 IPS_CALLBACK_NONE = 0,
1297 IPS_CALLBACK_MGNT_LINK_REQUEST = 1,
1298 IPS_CALLBACK_JOIN_REQUEST = 2,
1299 };
1300
1301 enum rt_rf_power_state {
1302 eRfOn,
1303 eRfSleep,
1304 eRfOff
1305 };
1306
1307 struct rt_pwr_save_ctrl {
1308
1309 bool bInactivePs;
1310 bool bIPSModeBackup;
1311 bool bSwRfProcessing;
1312 enum rt_rf_power_state eInactivePowerState;
1313 enum ips_callback_function ReturnPoint;
1314
1315 bool bLeisurePs;
1316 u8 LpsIdleCount;
1317 u8 RegMaxLPSAwakeIntvl;
1318 u8 LPSAwakeIntvl;
1319
1320 u32 CurPsLevel;
1321 u32 RegRfPsLevel;
1322
1323 bool bFwCtrlLPS;
1324
1325 };
1326
1327 #define RT_RF_CHANGE_SOURCE u32
1328
1329 #define RF_CHANGE_BY_SW BIT31
1330 #define RF_CHANGE_BY_HW BIT30
1331 #define RF_CHANGE_BY_PS BIT29
1332 #define RF_CHANGE_BY_IPS BIT28
1333 #define RF_CHANGE_BY_INIT 0
1334
1335 enum country_code_type {
1336 COUNTRY_CODE_FCC = 0,
1337 COUNTRY_CODE_IC = 1,
1338 COUNTRY_CODE_ETSI = 2,
1339 COUNTRY_CODE_SPAIN = 3,
1340 COUNTRY_CODE_FRANCE = 4,
1341 COUNTRY_CODE_MKK = 5,
1342 COUNTRY_CODE_MKK1 = 6,
1343 COUNTRY_CODE_ISRAEL = 7,
1344 COUNTRY_CODE_TELEC = 8,
1345 COUNTRY_CODE_MIC = 9,
1346 COUNTRY_CODE_GLOBAL_DOMAIN = 10,
1347 COUNTRY_CODE_WORLD_WIDE_13 = 11,
1348 COUNTRY_CODE_TELEC_NETGEAR = 12,
1349 COUNTRY_CODE_MAX
1350 };
1351
1352 enum scan_op_backup_opt {
1353 SCAN_OPT_BACKUP = 0,
1354 SCAN_OPT_RESTORE,
1355 SCAN_OPT_MAX
1356 };
1357
1358 enum fw_cmd_io_type {
1359 FW_CMD_DIG_ENABLE = 0,
1360 FW_CMD_DIG_DISABLE = 1,
1361 FW_CMD_DIG_HALT = 2,
1362 FW_CMD_DIG_RESUME = 3,
1363 FW_CMD_HIGH_PWR_ENABLE = 4,
1364 FW_CMD_HIGH_PWR_DISABLE = 5,
1365 FW_CMD_RA_RESET = 6,
1366 FW_CMD_RA_ACTIVE = 7,
1367 FW_CMD_RA_REFRESH_N = 8,
1368 FW_CMD_RA_REFRESH_BG = 9,
1369 FW_CMD_RA_INIT = 10,
1370 FW_CMD_IQK_ENABLE = 11,
1371 FW_CMD_TXPWR_TRACK_ENABLE = 12,
1372 FW_CMD_TXPWR_TRACK_DISABLE = 13,
1373 FW_CMD_TXPWR_TRACK_THERMAL = 14,
1374 FW_CMD_PAUSE_DM_BY_SCAN = 15,
1375 FW_CMD_RESUME_DM_BY_SCAN = 16,
1376 FW_CMD_RA_REFRESH_N_COMB = 17,
1377 FW_CMD_RA_REFRESH_BG_COMB = 18,
1378 FW_CMD_ANTENNA_SW_ENABLE = 19,
1379 FW_CMD_ANTENNA_SW_DISABLE = 20,
1380 FW_CMD_TX_FEEDBACK_CCX_ENABLE = 21,
1381 FW_CMD_LPS_ENTER = 22,
1382 FW_CMD_LPS_LEAVE = 23,
1383 };
1384
1385 #define RT_MAX_LD_SLOT_NUM 10
1386 struct rt_link_detect {
1387
1388 u32 NumRecvBcnInPeriod;
1389 u32 NumRecvDataInPeriod;
1390
1391 u32 RxBcnNum[RT_MAX_LD_SLOT_NUM];
1392 u32 RxDataNum[RT_MAX_LD_SLOT_NUM];
1393 u16 SlotNum;
1394 u16 SlotIndex;
1395
1396 u32 NumTxOkInPeriod;
1397 u32 NumRxOkInPeriod;
1398 u32 NumRxUnicastOkInPeriod;
1399 bool bBusyTraffic;
1400 bool bHigherBusyTraffic;
1401 bool bHigherBusyRxTraffic;
1402 };
1403
1404 struct sw_cam_table {
1405
1406 u8 macaddr[ETH_ALEN];
1407 bool bused;
1408 u8 key_buf[16];
1409 u16 key_type;
1410 u8 useDK;
1411 u8 key_index;
1412
1413 };
1414 #define TOTAL_CAM_ENTRY 32
1415 struct rate_adaptive {
1416 u8 rate_adaptive_disabled;
1417 u8 ratr_state;
1418 u16 reserve;
1419
1420 u32 high_rssi_thresh_for_ra;
1421 u32 high2low_rssi_thresh_for_ra;
1422 u8 low2high_rssi_thresh_for_ra40M;
1423 u32 low_rssi_thresh_for_ra40M;
1424 u8 low2high_rssi_thresh_for_ra20M;
1425 u32 low_rssi_thresh_for_ra20M;
1426 u32 upper_rssi_threshold_ratr;
1427 u32 middle_rssi_threshold_ratr;
1428 u32 low_rssi_threshold_ratr;
1429 u32 low_rssi_threshold_ratr_40M;
1430 u32 low_rssi_threshold_ratr_20M;
1431 u8 ping_rssi_enable;
1432 u32 ping_rssi_ratr;
1433 u32 ping_rssi_thresh_for_ra;
1434 u32 last_ratr;
1435 u8 PreRATRState;
1436
1437 };
1438
1439 #define NUM_PMKID_CACHE 16
1440 struct rt_pmkid_list {
1441 u8 Bssid[ETH_ALEN];
1442 u8 PMKID[16];
1443 u8 SsidBuf[33];
1444 u8 bUsed;
1445 };
1446
1447 struct rt_intel_promisc_mode {
1448 bool bPromiscuousOn;
1449 bool bFilterSourceStationFrame;
1450 };
1451
1452
1453 /*************** DRIVER STATUS *****/
1454 #define STATUS_SCANNING 0
1455 /*************** DRIVER STATUS *****/
1456
1457 enum {
1458 LPS_IS_WAKE = 0,
1459 LPS_IS_SLEEP = 1,
1460 LPS_WAIT_NULL_DATA_SEND = 2,
1461 };
1462
1463 struct rtllib_device {
1464 struct pci_dev *pdev;
1465 struct net_device *dev;
1466 struct rtllib_security sec;
1467
1468 bool disable_mgnt_queue;
1469
1470 unsigned long status;
1471 u8 CntAfterLink;
1472
1473 enum rt_op_mode OpMode;
1474
1475 /* The last AssocReq/Resp IEs */
1476 u8 *assocreq_ies, *assocresp_ies;
1477 size_t assocreq_ies_len, assocresp_ies_len;
1478
1479 bool bForcedBgMode;
1480 u8 RF_Type;
1481
1482 u8 hwsec_active;
1483 bool is_silent_reset;
1484 bool is_roaming;
1485 bool ieee_up;
1486 bool cannot_notify;
1487 bool bSupportRemoteWakeUp;
1488 bool actscanning;
1489 bool FirstIe_InScan;
1490 bool be_scan_inprogress;
1491 bool beinretry;
1492 enum rt_rf_power_state eRFPowerState;
1493 RT_RF_CHANGE_SOURCE RfOffReason;
1494 bool is_set_key;
1495 bool wx_set_enc;
1496 struct rt_hi_throughput *pHTInfo;
1497
1498 spinlock_t reorder_spinlock;
1499 u8 Regdot11HTOperationalRateSet[16];
1500 u8 Regdot11TxHTOperationalRateSet[16];
1501 u8 dot11HTOperationalRateSet[16];
1502 u8 RegHTSuppRateSet[16];
1503 u8 HTCurrentOperaRate;
1504 u8 HTHighestOperaRate;
1505 u8 bTxDisableRateFallBack;
1506 u8 bTxUseDriverAssingedRate;
1507 u8 bTxEnableFwCalcDur;
1508 atomic_t atm_swbw;
1509
1510 struct list_head Tx_TS_Admit_List;
1511 struct list_head Tx_TS_Pending_List;
1512 struct list_head Tx_TS_Unused_List;
1513 struct tx_ts_record TxTsRecord[TOTAL_TS_NUM];
1514 struct list_head Rx_TS_Admit_List;
1515 struct list_head Rx_TS_Pending_List;
1516 struct list_head Rx_TS_Unused_List;
1517 struct rx_ts_record RxTsRecord[TOTAL_TS_NUM];
1518 struct rx_reorder_entry RxReorderEntry[128];
1519 struct list_head RxReorder_Unused_List;
1520
1521
1522 /* Bookkeeping structures */
1523 struct net_device_stats stats;
1524 struct rtllib_softmac_stats softmac_stats;
1525
1526 /* Probe / Beacon management */
1527 struct list_head network_free_list;
1528 struct list_head network_list;
1529 struct rtllib_network *networks;
1530 int scans;
1531 int scan_age;
1532
1533 int iw_mode; /* operating mode (IW_MODE_*) */
1534 bool bNetPromiscuousMode;
1535 struct rt_intel_promisc_mode IntelPromiscuousModeInfo;
1536
1537 spinlock_t lock;
1538 spinlock_t wpax_suitlist_lock;
1539
1540 int tx_headroom; /* Set to size of any additional room needed at front
1541 * of allocated Tx SKBs
1542 */
1543 u32 config;
1544
1545 /* WEP and other encryption related settings at the device level */
1546 int open_wep; /* Set to 1 to allow unencrypted frames */
1547 int auth_mode;
1548 int reset_on_keychange; /* Set to 1 if the HW needs to be reset on
1549 * WEP key changes
1550 */
1551
1552 /* If the host performs {en,de}cryption, then set to 1 */
1553 int host_encrypt;
1554 int host_decrypt;
1555
1556 int ieee802_1x; /* is IEEE 802.1X used */
1557
1558 /* WPA data */
1559 bool bHalfWirelessN24GMode;
1560 int wpa_enabled;
1561 int drop_unencrypted;
1562 int tkip_countermeasures;
1563 int privacy_invoked;
1564 size_t wpa_ie_len;
1565 u8 *wpa_ie;
1566 size_t wps_ie_len;
1567 u8 *wps_ie;
1568 u8 ap_mac_addr[ETH_ALEN];
1569 u16 pairwise_key_type;
1570 u16 group_key_type;
1571
1572 struct lib80211_crypt_info crypt_info;
1573
1574 struct sw_cam_table swcamtable[TOTAL_CAM_ENTRY];
1575
1576 struct rt_pmkid_list PMKIDList[NUM_PMKID_CACHE];
1577
1578 /* Fragmentation structures */
1579 struct rtllib_frag_entry frag_cache[17][RTLLIB_FRAG_CACHE_LEN];
1580 unsigned int frag_next_idx[17];
1581 u16 fts; /* Fragmentation Threshold */
1582 #define DEFAULT_RTS_THRESHOLD 2346U
1583 #define MIN_RTS_THRESHOLD 1
1584 #define MAX_RTS_THRESHOLD 2346U
1585 u16 rts; /* RTS threshold */
1586
1587 /* Association info */
1588 u8 bssid[ETH_ALEN];
1589
1590 /* This stores infos for the current network.
1591 * Either the network we are associated in INFRASTRUCTURE
1592 * or the network that we are creating in MASTER mode.
1593 * ad-hoc is a mixture ;-).
1594 * Note that in infrastructure mode, even when not associated,
1595 * fields bssid and essid may be valid (if wpa_set and essid_set
1596 * are true) as thy carry the value set by the user via iwconfig
1597 */
1598 struct rtllib_network current_network;
1599
1600 enum rtllib_state state;
1601
1602 int short_slot;
1603 int mode; /* A, B, G */
1604 int modulation; /* CCK, OFDM */
1605
1606 /* used for forcing the ibss workqueue to terminate
1607 * without wait for the syncro scan to terminate
1608 */
1609 short sync_scan_hurryup;
1610 u16 scan_watch_dog;
1611
1612 /* map of allowed channels. 0 is dummy */
1613 void *pDot11dInfo;
1614 bool bGlobalDomain;
1615 u8 active_channel_map[MAX_CHANNEL_NUMBER+1];
1616
1617 u8 IbssStartChnl;
1618 u8 ibss_maxjoin_chal;
1619
1620 int rate; /* current rate */
1621 int basic_rate;
1622
1623 short active_scan;
1624
1625 /* this contains flags for selectively enable softmac support */
1626 u16 softmac_features;
1627
1628 /* if the sequence control field is not filled by HW */
1629 u16 seq_ctrl[5];
1630
1631 /* association procedure transaction sequence number */
1632 u16 associate_seq;
1633
1634 /* AID for RTXed association responses */
1635 u16 assoc_id;
1636
1637 /* power save mode related*/
1638 u8 ack_tx_to_ieee;
1639 short ps;
1640 short sta_sleep;
1641 int ps_timeout;
1642 int ps_period;
1643 struct tasklet_struct ps_task;
1644 u64 ps_time;
1645 bool polling;
1646
1647 short raw_tx;
1648 /* used if IEEE_SOFTMAC_TX_QUEUE is set */
1649 short queue_stop;
1650 short scanning_continue;
1651 short proto_started;
1652 short proto_stoppping;
1653
1654 struct mutex wx_mutex;
1655 struct mutex scan_mutex;
1656 struct mutex ips_mutex;
1657
1658 spinlock_t mgmt_tx_lock;
1659 spinlock_t beacon_lock;
1660
1661 short beacon_txing;
1662
1663 short wap_set;
1664 short ssid_set;
1665
1666 /* set on initialization */
1667 unsigned int wmm_acm;
1668
1669 /* for discarding duplicated packets in IBSS */
1670 struct list_head ibss_mac_hash[IEEE_IBSS_MAC_HASH_SIZE];
1671
1672 /* for discarding duplicated packets in BSS */
1673 u16 last_rxseq_num[17]; /* rx seq previous per-tid */
1674 u16 last_rxfrag_num[17];/* tx frag previous per-tid */
1675 unsigned long last_packet_time[17];
1676
1677 /* for PS mode */
1678 unsigned long last_rx_ps_time;
1679 bool bAwakePktSent;
1680 u8 LPSDelayCnt;
1681
1682 /* used if IEEE_SOFTMAC_SINGLE_QUEUE is set */
1683 struct sk_buff *mgmt_queue_ring[MGMT_QUEUE_NUM];
1684 int mgmt_queue_head;
1685 int mgmt_queue_tail;
1686 u8 AsocRetryCount;
1687 struct sk_buff_head skb_waitQ[MAX_QUEUE_SIZE];
1688 struct sk_buff_head skb_aggQ[MAX_QUEUE_SIZE];
1689
1690 bool bdynamic_txpower_enable;
1691
1692 bool bCTSToSelfEnable;
1693
1694 u32 fsync_time_interval;
1695 u32 fsync_rate_bitmap;
1696 u8 fsync_rssi_threshold;
1697 bool bfsync_enable;
1698
1699 u8 fsync_multiple_timeinterval;
1700 u32 fsync_firstdiff_ratethreshold;
1701 u32 fsync_seconddiff_ratethreshold;
1702 enum fsync_state fsync_state;
1703 bool bis_any_nonbepkts;
1704 struct bandwidth_autoswitch bandwidth_auto_switch;
1705 bool FwRWRF;
1706
1707 struct rt_link_detect LinkDetectInfo;
1708 bool bIsAggregateFrame;
1709 struct rt_pwr_save_ctrl PowerSaveControl;
1710
1711 /* used if IEEE_SOFTMAC_TX_QUEUE is set */
1712 struct tx_pending tx_pending;
1713
1714 /* used if IEEE_SOFTMAC_ASSOCIATE is set */
1715 struct timer_list associate_timer;
1716
1717 /* used if IEEE_SOFTMAC_BEACONS is set */
1718 struct timer_list beacon_timer;
1719 u8 need_sw_enc;
1720 struct work_struct associate_complete_wq;
1721 struct work_struct ips_leave_wq;
1722 struct delayed_work associate_procedure_wq;
1723 struct delayed_work softmac_scan_wq;
1724 struct delayed_work associate_retry_wq;
1725 struct delayed_work start_ibss_wq;
1726 struct delayed_work hw_wakeup_wq;
1727 struct delayed_work hw_sleep_wq;
1728 struct delayed_work link_change_wq;
1729 struct work_struct wx_sync_scan_wq;
1730
1731 union {
1732 struct rtllib_rxb *RfdArray[REORDER_WIN_SIZE];
1733 struct rtllib_rxb *stats_IndicateArray[REORDER_WIN_SIZE];
1734 struct rtllib_rxb *prxbIndicateArray[REORDER_WIN_SIZE];
1735 struct {
1736 struct sw_chnl_cmd PreCommonCmd[MAX_PRECMD_CNT];
1737 struct sw_chnl_cmd PostCommonCmd[MAX_POSTCMD_CNT];
1738 struct sw_chnl_cmd RfDependCmd[MAX_RFDEPENDCMD_CNT];
1739 };
1740 };
1741
1742 /* Callback functions */
1743 void (*set_security)(struct net_device *dev,
1744 struct rtllib_security *sec);
1745
1746 /* Used to TX data frame by using txb structs.
1747 * this is not used if in the softmac_features
1748 * is set the flag IEEE_SOFTMAC_TX_QUEUE
1749 */
1750 int (*hard_start_xmit)(struct rtllib_txb *txb,
1751 struct net_device *dev);
1752
1753 int (*reset_port)(struct net_device *dev);
1754
1755 /* Softmac-generated frames (management) are TXed via this
1756 * callback if the flag IEEE_SOFTMAC_SINGLE_QUEUE is
1757 * not set. As some cards may have different HW queues that
1758 * one might want to use for data and management frames
1759 * the option to have two callbacks might be useful.
1760 * This function can't sleep.
1761 */
1762 int (*softmac_hard_start_xmit)(struct sk_buff *skb,
1763 struct net_device *dev);
1764
1765 /* used instead of hard_start_xmit (not softmac_hard_start_xmit)
1766 * if the IEEE_SOFTMAC_TX_QUEUE feature is used to TX data
1767 * frames. If the option IEEE_SOFTMAC_SINGLE_QUEUE is also set
1768 * then also management frames are sent via this callback.
1769 * This function can't sleep.
1770 */
1771 void (*softmac_data_hard_start_xmit)(struct sk_buff *skb,
1772 struct net_device *dev, int rate);
1773
1774 /* stops the HW queue for DATA frames. Useful to avoid
1775 * waste time to TX data frame when we are reassociating
1776 * This function can sleep.
1777 */
1778 void (*data_hard_stop)(struct net_device *dev);
1779
1780 /* OK this is complementing to data_poll_hard_stop */
1781 void (*data_hard_resume)(struct net_device *dev);
1782
1783 /* ask to the driver to retune the radio.
1784 * This function can sleep. the driver should ensure
1785 * the radio has been switched before return.
1786 */
1787 void (*set_chan)(struct net_device *dev, short ch);
1788
1789 void (*rtllib_start_hw_scan)(struct net_device *dev);
1790 void (*rtllib_stop_hw_scan)(struct net_device *dev);
1791
1792 /* indicate the driver that the link state is changed
1793 * for example it may indicate the card is associated now.
1794 * Driver might be interested in this to apply RX filter
1795 * rules or simply light the LINK led
1796 */
1797 void (*link_change)(struct net_device *dev);
1798
1799 /* these two function indicates to the HW when to start
1800 * and stop to send beacons. This is used when the
1801 * IEEE_SOFTMAC_BEACONS is not set. For now the
1802 * stop_send_bacons is NOT guaranteed to be called only
1803 * after start_send_beacons.
1804 */
1805 void (*start_send_beacons)(struct net_device *dev);
1806 void (*stop_send_beacons)(struct net_device *dev);
1807
1808 /* power save mode related */
1809 void (*sta_wake_up)(struct net_device *dev);
1810 void (*enter_sleep_state)(struct net_device *dev, u64 time);
1811 short (*ps_is_queue_empty)(struct net_device *dev);
1812 int (*handle_beacon)(struct net_device *dev,
1813 struct rtllib_beacon *beacon,
1814 struct rtllib_network *network);
1815 int (*handle_assoc_response)(struct net_device *dev,
1816 struct rtllib_assoc_response_frame *resp,
1817 struct rtllib_network *network);
1818
1819
1820 /* check whether Tx hw resource available */
1821 short (*check_nic_enough_desc)(struct net_device *dev, int queue_index);
1822 void (*SetBWModeHandler)(struct net_device *dev,
1823 enum ht_channel_width Bandwidth,
1824 enum ht_extchnl_offset Offset);
1825 bool (*GetNmodeSupportBySecCfg)(struct net_device *dev);
1826 void (*SetWirelessMode)(struct net_device *dev, u8 wireless_mode);
1827 bool (*GetHalfNmodeSupportByAPsHandler)(struct net_device *dev);
1828 u8 (*rtllib_ap_sec_type)(struct rtllib_device *ieee);
1829 void (*InitialGainHandler)(struct net_device *dev, u8 Operation);
1830 bool (*SetFwCmdHandler)(struct net_device *dev,
1831 enum fw_cmd_io_type FwCmdIO);
1832 void (*UpdateBeaconInterruptHandler)(struct net_device *dev,
1833 bool start);
1834 void (*ScanOperationBackupHandler)(struct net_device *dev,
1835 u8 Operation);
1836 void (*LedControlHandler)(struct net_device *dev,
1837 enum led_ctl_mode LedAction);
1838 void (*SetHwRegHandler)(struct net_device *dev, u8 variable, u8 *val);
1839
1840 void (*AllowAllDestAddrHandler)(struct net_device *dev,
1841 bool bAllowAllDA, bool WriteIntoReg);
1842
1843 void (*rtllib_ips_leave_wq)(struct net_device *dev);
1844 void (*rtllib_ips_leave)(struct net_device *dev);
1845 void (*LeisurePSLeave)(struct net_device *dev);
1846
1847 /* This must be the last item so that it points to the data
1848 * allocated beyond this structure by alloc_rtllib
1849 */
1850 u8 priv[0];
1851 };
1852
1853 #define IEEE_A (1<<0)
1854 #define IEEE_B (1<<1)
1855 #define IEEE_G (1<<2)
1856 #define IEEE_N_24G (1<<4)
1857 #define IEEE_N_5G (1<<5)
1858 #define IEEE_MODE_MASK (IEEE_A|IEEE_B|IEEE_G)
1859
1860 /* Generate a 802.11 header */
1861
1862 /* Uses the channel change callback directly
1863 * instead of [start/stop] scan callbacks
1864 */
1865 #define IEEE_SOFTMAC_SCAN (1<<2)
1866
1867 /* Perform authentication and association handshake */
1868 #define IEEE_SOFTMAC_ASSOCIATE (1<<3)
1869
1870 /* Generate probe requests */
1871 #define IEEE_SOFTMAC_PROBERQ (1<<4)
1872
1873 /* Generate response to probe requests */
1874 #define IEEE_SOFTMAC_PROBERS (1<<5)
1875
1876 /* The ieee802.11 stack will manage the netif queue
1877 * wake/stop for the driver, taking care of 802.11
1878 * fragmentation. See softmac.c for details.
1879 */
1880 #define IEEE_SOFTMAC_TX_QUEUE (1<<7)
1881
1882 /* Uses only the softmac_data_hard_start_xmit
1883 * even for TX management frames.
1884 */
1885 #define IEEE_SOFTMAC_SINGLE_QUEUE (1<<8)
1886
1887 /* Generate beacons. The stack will enqueue beacons
1888 * to the card
1889 */
1890 #define IEEE_SOFTMAC_BEACONS (1<<6)
1891
1892
rtllib_priv(struct net_device * dev)1893 static inline void *rtllib_priv(struct net_device *dev)
1894 {
1895 return ((struct rtllib_device *)netdev_priv(dev))->priv;
1896 }
1897
rtllib_is_empty_essid(const char * essid,int essid_len)1898 static inline int rtllib_is_empty_essid(const char *essid, int essid_len)
1899 {
1900 /* Single white space is for Linksys APs */
1901 if (essid_len == 1 && essid[0] == ' ')
1902 return 1;
1903
1904 /* Otherwise, if the entire essid is 0, we assume it is hidden */
1905 while (essid_len) {
1906 essid_len--;
1907 if (essid[essid_len] != '\0')
1908 return 0;
1909 }
1910
1911 return 1;
1912 }
1913
rtllib_get_hdrlen(u16 fc)1914 static inline int rtllib_get_hdrlen(u16 fc)
1915 {
1916 int hdrlen = RTLLIB_3ADDR_LEN;
1917
1918 switch (WLAN_FC_GET_TYPE(fc)) {
1919 case RTLLIB_FTYPE_DATA:
1920 if ((fc & RTLLIB_FCTL_FROMDS) && (fc & RTLLIB_FCTL_TODS))
1921 hdrlen = RTLLIB_4ADDR_LEN; /* Addr4 */
1922 if (RTLLIB_QOS_HAS_SEQ(fc))
1923 hdrlen += 2; /* QOS ctrl*/
1924 break;
1925 case RTLLIB_FTYPE_CTL:
1926 switch (WLAN_FC_GET_STYPE(fc)) {
1927 case RTLLIB_STYPE_CTS:
1928 case RTLLIB_STYPE_ACK:
1929 hdrlen = RTLLIB_1ADDR_LEN;
1930 break;
1931 default:
1932 hdrlen = RTLLIB_2ADDR_LEN;
1933 break;
1934 }
1935 break;
1936 }
1937
1938 return hdrlen;
1939 }
1940
rtllib_get_payload(struct rtllib_hdr * hdr)1941 static inline u8 *rtllib_get_payload(struct rtllib_hdr *hdr)
1942 {
1943 switch (rtllib_get_hdrlen(le16_to_cpu(hdr->frame_ctl))) {
1944 case RTLLIB_1ADDR_LEN:
1945 return ((struct rtllib_hdr_1addr *)hdr)->payload;
1946 case RTLLIB_2ADDR_LEN:
1947 return ((struct rtllib_hdr_2addr *)hdr)->payload;
1948 case RTLLIB_3ADDR_LEN:
1949 return ((struct rtllib_hdr_3addr *)hdr)->payload;
1950 case RTLLIB_4ADDR_LEN:
1951 return ((struct rtllib_hdr_4addr *)hdr)->payload;
1952 }
1953 return NULL;
1954 }
1955
rtllib_is_ofdm_rate(u8 rate)1956 static inline int rtllib_is_ofdm_rate(u8 rate)
1957 {
1958 switch (rate & ~RTLLIB_BASIC_RATE_MASK) {
1959 case RTLLIB_OFDM_RATE_6MB:
1960 case RTLLIB_OFDM_RATE_9MB:
1961 case RTLLIB_OFDM_RATE_12MB:
1962 case RTLLIB_OFDM_RATE_18MB:
1963 case RTLLIB_OFDM_RATE_24MB:
1964 case RTLLIB_OFDM_RATE_36MB:
1965 case RTLLIB_OFDM_RATE_48MB:
1966 case RTLLIB_OFDM_RATE_54MB:
1967 return 1;
1968 }
1969 return 0;
1970 }
1971
rtllib_is_cck_rate(u8 rate)1972 static inline int rtllib_is_cck_rate(u8 rate)
1973 {
1974 switch (rate & ~RTLLIB_BASIC_RATE_MASK) {
1975 case RTLLIB_CCK_RATE_1MB:
1976 case RTLLIB_CCK_RATE_2MB:
1977 case RTLLIB_CCK_RATE_5MB:
1978 case RTLLIB_CCK_RATE_11MB:
1979 return 1;
1980 }
1981 return 0;
1982 }
1983
1984
1985 /* rtllib.c */
1986 void free_rtllib(struct net_device *dev);
1987 struct net_device *alloc_rtllib(int sizeof_priv);
1988
1989 /* rtllib_tx.c */
1990
1991 int rtllib_encrypt_fragment(
1992 struct rtllib_device *ieee,
1993 struct sk_buff *frag,
1994 int hdr_len);
1995
1996 int rtllib_xmit(struct sk_buff *skb, struct net_device *dev);
1997 void rtllib_txb_free(struct rtllib_txb *);
1998
1999 /* rtllib_rx.c */
2000 int rtllib_rx(struct rtllib_device *ieee, struct sk_buff *skb,
2001 struct rtllib_rx_stats *rx_stats);
2002 void rtllib_rx_probe_rq(struct rtllib_device *ieee,
2003 struct sk_buff *skb);
2004 int rtllib_legal_channel(struct rtllib_device *rtllib, u8 channel);
2005
2006 /* rtllib_wx.c */
2007 int rtllib_wx_get_scan(struct rtllib_device *ieee,
2008 struct iw_request_info *info,
2009 union iwreq_data *wrqu, char *key);
2010 int rtllib_wx_set_encode(struct rtllib_device *ieee,
2011 struct iw_request_info *info,
2012 union iwreq_data *wrqu, char *key);
2013 int rtllib_wx_get_encode(struct rtllib_device *ieee,
2014 struct iw_request_info *info,
2015 union iwreq_data *wrqu, char *key);
2016 int rtllib_wx_set_encode_ext(struct rtllib_device *ieee,
2017 struct iw_request_info *info,
2018 union iwreq_data *wrqu, char *extra);
2019 int rtllib_wx_set_auth(struct rtllib_device *ieee,
2020 struct iw_request_info *info,
2021 struct iw_param *data, char *extra);
2022 int rtllib_wx_set_mlme(struct rtllib_device *ieee,
2023 struct iw_request_info *info,
2024 union iwreq_data *wrqu, char *extra);
2025 int rtllib_wx_set_gen_ie(struct rtllib_device *ieee, u8 *ie, size_t len);
2026
2027 /* rtllib_softmac.c */
2028 int rtllib_rx_frame_softmac(struct rtllib_device *ieee, struct sk_buff *skb,
2029 struct rtllib_rx_stats *rx_stats, u16 type,
2030 u16 stype);
2031 void rtllib_softmac_new_net(struct rtllib_device *ieee,
2032 struct rtllib_network *net);
2033
2034 void SendDisassociation(struct rtllib_device *ieee, bool deauth, u16 asRsn);
2035 void rtllib_softmac_xmit(struct rtllib_txb *txb, struct rtllib_device *ieee);
2036
2037 void rtllib_stop_send_beacons(struct rtllib_device *ieee);
2038 void notify_wx_assoc_event(struct rtllib_device *ieee);
2039 void rtllib_start_ibss(struct rtllib_device *ieee);
2040 void rtllib_softmac_init(struct rtllib_device *ieee);
2041 void rtllib_softmac_free(struct rtllib_device *ieee);
2042 void rtllib_disassociate(struct rtllib_device *ieee);
2043 void rtllib_stop_scan(struct rtllib_device *ieee);
2044 bool rtllib_act_scanning(struct rtllib_device *ieee, bool sync_scan);
2045 void rtllib_stop_scan_syncro(struct rtllib_device *ieee);
2046 void rtllib_start_scan_syncro(struct rtllib_device *ieee, u8 is_mesh);
2047 void rtllib_sta_ps_send_null_frame(struct rtllib_device *ieee, short pwr);
2048 void rtllib_sta_ps_send_pspoll_frame(struct rtllib_device *ieee);
2049 void rtllib_start_protocol(struct rtllib_device *ieee);
2050 void rtllib_stop_protocol(struct rtllib_device *ieee, u8 shutdown);
2051
2052 void rtllib_EnableNetMonitorMode(struct net_device *dev, bool bInitState);
2053 void rtllib_DisableNetMonitorMode(struct net_device *dev, bool bInitState);
2054 void rtllib_EnableIntelPromiscuousMode(struct net_device *dev, bool bInitState);
2055 void rtllib_DisableIntelPromiscuousMode(struct net_device *dev,
2056 bool bInitState);
2057 void rtllib_softmac_stop_protocol(struct rtllib_device *ieee,
2058 u8 mesh_flag, u8 shutdown);
2059 void rtllib_softmac_start_protocol(struct rtllib_device *ieee, u8 mesh_flag);
2060
2061 void rtllib_reset_queue(struct rtllib_device *ieee);
2062 void rtllib_wake_all_queues(struct rtllib_device *ieee);
2063 void rtllib_stop_all_queues(struct rtllib_device *ieee);
2064 struct sk_buff *rtllib_get_beacon(struct rtllib_device *ieee);
2065 void rtllib_start_send_beacons(struct rtllib_device *ieee);
2066 void rtllib_stop_send_beacons(struct rtllib_device *ieee);
2067 int rtllib_wpa_supplicant_ioctl(struct rtllib_device *ieee,
2068 struct iw_point *p, u8 is_mesh);
2069
2070 void notify_wx_assoc_event(struct rtllib_device *ieee);
2071 void rtllib_ps_tx_ack(struct rtllib_device *ieee, short success);
2072
2073 void softmac_mgmt_xmit(struct sk_buff *skb, struct rtllib_device *ieee);
2074 u8 rtllib_ap_sec_type(struct rtllib_device *ieee);
2075
2076 /* rtllib_softmac_wx.c */
2077
2078 int rtllib_wx_get_wap(struct rtllib_device *ieee, struct iw_request_info *info,
2079 union iwreq_data *wrqu, char *ext);
2080
2081 int rtllib_wx_set_wap(struct rtllib_device *ieee, struct iw_request_info *info,
2082 union iwreq_data *awrq, char *extra);
2083
2084 int rtllib_wx_get_essid(struct rtllib_device *ieee, struct iw_request_info *a,
2085 union iwreq_data *wrqu, char *b);
2086
2087 int rtllib_wx_set_rate(struct rtllib_device *ieee, struct iw_request_info *info,
2088 union iwreq_data *wrqu, char *extra);
2089
2090 int rtllib_wx_get_rate(struct rtllib_device *ieee, struct iw_request_info *info,
2091 union iwreq_data *wrqu, char *extra);
2092
2093 int rtllib_wx_set_mode(struct rtllib_device *ieee, struct iw_request_info *a,
2094 union iwreq_data *wrqu, char *b);
2095
2096 int rtllib_wx_set_scan(struct rtllib_device *ieee, struct iw_request_info *a,
2097 union iwreq_data *wrqu, char *b);
2098
2099 int rtllib_wx_set_essid(struct rtllib_device *ieee, struct iw_request_info *a,
2100 union iwreq_data *wrqu, char *extra);
2101
2102 int rtllib_wx_get_mode(struct rtllib_device *ieee, struct iw_request_info *a,
2103 union iwreq_data *wrqu, char *b);
2104
2105 int rtllib_wx_set_freq(struct rtllib_device *ieee, struct iw_request_info *a,
2106 union iwreq_data *wrqu, char *b);
2107
2108 int rtllib_wx_get_freq(struct rtllib_device *ieee, struct iw_request_info *a,
2109 union iwreq_data *wrqu, char *b);
2110 void rtllib_wx_sync_scan_wq(void *data);
2111
2112 int rtllib_wx_set_rawtx(struct rtllib_device *ieee,
2113 struct iw_request_info *info,
2114 union iwreq_data *wrqu, char *extra);
2115
2116 int rtllib_wx_get_name(struct rtllib_device *ieee, struct iw_request_info *info,
2117 union iwreq_data *wrqu, char *extra);
2118
2119 int rtllib_wx_set_power(struct rtllib_device *ieee,
2120 struct iw_request_info *info,
2121 union iwreq_data *wrqu, char *extra);
2122
2123 int rtllib_wx_get_power(struct rtllib_device *ieee,
2124 struct iw_request_info *info,
2125 union iwreq_data *wrqu, char *extra);
2126
2127 int rtllib_wx_set_rts(struct rtllib_device *ieee, struct iw_request_info *info,
2128 union iwreq_data *wrqu, char *extra);
2129
2130 int rtllib_wx_get_rts(struct rtllib_device *ieee, struct iw_request_info *info,
2131 union iwreq_data *wrqu, char *extra);
2132 #define MAX_RECEIVE_BUFFER_SIZE 9100
2133
2134 void HTSetConnectBwMode(struct rtllib_device *ieee,
2135 enum ht_channel_width Bandwidth,
2136 enum ht_extchnl_offset Offset);
2137 void HTUpdateDefaultSetting(struct rtllib_device *ieee);
2138 void HTConstructCapabilityElement(struct rtllib_device *ieee,
2139 u8 *posHTCap, u8 *len,
2140 u8 isEncrypt, bool bAssoc);
2141 void HTConstructInfoElement(struct rtllib_device *ieee,
2142 u8 *posHTInfo, u8 *len, u8 isEncrypt);
2143 void HTConstructRT2RTAggElement(struct rtllib_device *ieee,
2144 u8 *posRT2RTAgg, u8 *len);
2145 void HTOnAssocRsp(struct rtllib_device *ieee);
2146 void HTInitializeHTInfo(struct rtllib_device *ieee);
2147 void HTInitializeBssDesc(struct bss_ht *pBssHT);
2148 void HTResetSelfAndSavePeerSetting(struct rtllib_device *ieee,
2149 struct rtllib_network *pNetwork);
2150 void HT_update_self_and_peer_setting(struct rtllib_device *ieee,
2151 struct rtllib_network *pNetwork);
2152 u8 HTGetHighestMCSRate(struct rtllib_device *ieee, u8 *pMCSRateSet,
2153 u8 *pMCSFilter);
2154 extern u8 MCS_FILTER_ALL[];
2155 extern u16 MCS_DATA_RATE[2][2][77];
2156 u8 HTCCheck(struct rtllib_device *ieee, u8 *pFrame);
2157 void HTResetIOTSetting(struct rt_hi_throughput *pHTInfo);
2158 bool IsHTHalfNmodeAPs(struct rtllib_device *ieee);
2159 u16 TxCountToDataRate(struct rtllib_device *ieee, u8 nDataRate);
2160 int rtllib_rx_ADDBAReq(struct rtllib_device *ieee, struct sk_buff *skb);
2161 int rtllib_rx_ADDBARsp(struct rtllib_device *ieee, struct sk_buff *skb);
2162 int rtllib_rx_DELBA(struct rtllib_device *ieee, struct sk_buff *skb);
2163 void TsInitAddBA(struct rtllib_device *ieee, struct tx_ts_record *pTS,
2164 u8 Policy, u8 bOverwritePending);
2165 void TsInitDelBA(struct rtllib_device *ieee,
2166 struct ts_common_info *pTsCommonInfo,
2167 enum tr_select TxRxSelect);
2168 void BaSetupTimeOut(unsigned long data);
2169 void TxBaInactTimeout(unsigned long data);
2170 void RxBaInactTimeout(unsigned long data);
2171 void ResetBaEntry(struct ba_record *pBA);
2172 bool GetTs(struct rtllib_device *ieee, struct ts_common_info **ppTS, u8 *Addr,
2173 u8 TID, enum tr_select TxRxSelect, bool bAddNewTs);
2174 void TSInitialize(struct rtllib_device *ieee);
2175 void TsStartAddBaProcess(struct rtllib_device *ieee,
2176 struct tx_ts_record *pTxTS);
2177 void RemovePeerTS(struct rtllib_device *ieee, u8 *Addr);
2178 void RemoveAllTS(struct rtllib_device *ieee);
2179
2180 extern const long rtllib_wlan_frequencies[];
2181
escape_essid(const char * essid,u8 essid_len)2182 static inline const char *escape_essid(const char *essid, u8 essid_len)
2183 {
2184 static char escaped[IW_ESSID_MAX_SIZE * 2 + 1];
2185
2186 if (rtllib_is_empty_essid(essid, essid_len)) {
2187 memcpy(escaped, "<hidden>", sizeof("<hidden>"));
2188 return escaped;
2189 }
2190
2191 snprintf(escaped, sizeof(escaped), "%*pEn", essid_len, essid);
2192 return escaped;
2193 }
2194
2195 /* fun with the built-in rtllib stack... */
2196 bool rtllib_MgntDisconnect(struct rtllib_device *rtllib, u8 asRsn);
2197
2198
2199 /* For the function is more related to hardware setting, it's better to use the
2200 * ieee handler to refer to it.
2201 */
2202 void rtllib_FlushRxTsPendingPkts(struct rtllib_device *ieee,
2203 struct rx_ts_record *pTS);
2204 int rtllib_parse_info_param(struct rtllib_device *ieee,
2205 struct rtllib_info_element *info_element,
2206 u16 length,
2207 struct rtllib_network *network,
2208 struct rtllib_rx_stats *stats);
2209
2210 void rtllib_indicate_packets(struct rtllib_device *ieee,
2211 struct rtllib_rxb **prxbIndicateArray, u8 index);
2212 void HTUseDefaultSetting(struct rtllib_device *ieee);
2213 #define RT_ASOC_RETRY_LIMIT 5
2214 u8 MgntQuery_TxRateExcludeCCKRates(struct rtllib_device *ieee);
2215
2216 #endif /* RTLLIB_H */
2217