1 /* SPDX-License-Identifier: GPL-2.0 */
2 /*
3 * Merged with mainline rtllib.h in Aug 2004. Original ieee802_11
4 * remains copyright by the original authors
5 *
6 * Portions of the merged code are based on Host AP (software wireless
7 * LAN access point) driver for Intersil Prism2/2.5/3.
8 *
9 * Copyright (c) 2001-2002, SSH Communications Security Corp and Jouni Malinen
10 * <jkmaline@cc.hut.fi>
11 * Copyright (c) 2002-2003, Jouni Malinen <jkmaline@cc.hut.fi>
12 *
13 * Adaption to a generic IEEE 802.11 stack by James Ketrenos
14 * <jketreno@linux.intel.com>
15 * Copyright (c) 2004, Intel Corporation
16 *
17 * Modified for Realtek's wi-fi cards by Andrea Merello
18 * <andrea.merello@gmail.com>
19 */
20 #ifndef RTLLIB_H
21 #define RTLLIB_H
22 #include <linux/if_ether.h> /* ETH_ALEN */
23 #include <linux/kernel.h> /* ARRAY_SIZE */
24 #include <linux/module.h>
25 #include <linux/interrupt.h>
26 #include <linux/jiffies.h>
27 #include <linux/timer.h>
28 #include <linux/sched.h>
29 #include <linux/mutex.h>
30
31 #include <linux/delay.h>
32 #include <linux/wireless.h>
33
34 #include "rtllib_debug.h"
35 #include "rtl819x_HT.h"
36 #include "rtl819x_BA.h"
37 #include "rtl819x_TS.h"
38
39 #include <linux/netdevice.h>
40 #include <linux/if_arp.h> /* ARPHRD_ETHER */
41 #include <net/lib80211.h>
42
43 #define MAX_PRECMD_CNT 16
44 #define MAX_RFDEPENDCMD_CNT 16
45 #define MAX_POSTCMD_CNT 16
46
47 #ifndef WIRELESS_SPY
48 #define WIRELESS_SPY
49 #endif
50 #include <net/iw_handler.h>
51
52 #ifndef IW_MODE_MONITOR
53 #define IW_MODE_MONITOR 6
54 #endif
55
56 #ifndef IWEVCUSTOM
57 #define IWEVCUSTOM 0x8c02
58 #endif
59
60 #ifndef IW_CUSTOM_MAX
61 /* Max number of char in custom event - use multiple of them if needed */
62 #define IW_CUSTOM_MAX 256 /* In bytes */
63 #endif
64
65 #define skb_tail_pointer_rsl(skb) skb_tail_pointer(skb)
66
67 #define queue_delayed_work_rsl(x, y, z) queue_delayed_work(x, y, z)
68 #define INIT_DELAYED_WORK_RSL(x, y, z) INIT_DELAYED_WORK(x, y)
69
70 #define queue_work_rsl(x, y) queue_work(x, y)
71 #define INIT_WORK_RSL(x, y, z) INIT_WORK(x, y)
72
73 #define container_of_work_rsl(x, y, z) container_of(x, y, z)
74 #define container_of_dwork_rsl(x, y, z) \
75 container_of(to_delayed_work(x), y, z)
76
77 #define iwe_stream_add_event_rsl(info, start, stop, iwe, len) \
78 iwe_stream_add_event(info, start, stop, iwe, len)
79
80 #define iwe_stream_add_point_rsl(info, start, stop, iwe, p) \
81 iwe_stream_add_point(info, start, stop, iwe, p)
82
netdev_priv_rsl(struct net_device * dev)83 static inline void *netdev_priv_rsl(struct net_device *dev)
84 {
85 return netdev_priv(dev);
86 }
87
88 #define KEY_TYPE_NA 0x0
89 #define KEY_TYPE_WEP40 0x1
90 #define KEY_TYPE_TKIP 0x2
91 #define KEY_TYPE_CCMP 0x4
92 #define KEY_TYPE_WEP104 0x5
93 /* added for rtl819x tx procedure */
94 #define MAX_QUEUE_SIZE 0x10
95
96 #define BK_QUEUE 0
97 #define BE_QUEUE 1
98 #define VI_QUEUE 2
99 #define VO_QUEUE 3
100 #define HCCA_QUEUE 4
101 #define TXCMD_QUEUE 5
102 #define MGNT_QUEUE 6
103 #define HIGH_QUEUE 7
104 #define BEACON_QUEUE 8
105
106 #ifndef IW_MODE_MESH
107 #define IW_MODE_MESH 7
108 #endif
109
110 #define IE_CISCO_FLAG_POSITION 0x08
111 #define SUPPORT_CKIP_MIC 0x08
112 #define SUPPORT_CKIP_PK 0x10
113 #define RT_RF_OFF_LEVL_HALT_NIC BIT3
114 #define RT_IN_PS_LEVEL(pPSC, _PS_FLAG) \
115 ((pPSC->CurPsLevel & _PS_FLAG) ? true : false)
116 #define RT_CLEAR_PS_LEVEL(pPSC, _PS_FLAG) \
117 (pPSC->CurPsLevel &= (~(_PS_FLAG)))
118 #define RT_SET_PS_LEVEL(pPSC, _PS_FLAG) (pPSC->CurPsLevel |= _PS_FLAG)
119
120 /* defined for skb cb field */
121 /* At most 28 byte */
122 struct cb_desc {
123 /* Tx Desc Related flags (8-9) */
124 u8 bLastIniPkt:1;
125 u8 bCmdOrInit:1;
126 u8 bFirstSeg:1;
127 u8 bLastSeg:1;
128 u8 bEncrypt:1;
129 u8 bTxDisableRateFallBack:1;
130 u8 bTxUseDriverAssingedRate:1;
131 u8 bHwSec:1;
132
133 u8 nStuckCount;
134
135 /* Tx Firmware Related flags (10-11)*/
136 u8 bCTSEnable:1;
137 u8 bRTSEnable:1;
138 u8 bUseShortGI:1;
139 u8 bUseShortPreamble:1;
140 u8 bTxEnableFwCalcDur:1;
141 u8 bAMPDUEnable:1;
142 u8 bRTSSTBC:1;
143 u8 RTSSC:1;
144
145 u8 bRTSBW:1;
146 u8 bPacketBW:1;
147 u8 bRTSUseShortPreamble:1;
148 u8 bRTSUseShortGI:1;
149 u8 bMulticast:1;
150 u8 bBroadcast:1;
151 u8 drv_agg_enable:1;
152 u8 reserved2:1;
153
154 /* Tx Desc related element(12-19) */
155 u8 rata_index;
156 u8 queue_index;
157 u16 txbuf_size;
158 u8 RATRIndex;
159 u8 bAMSDU:1;
160 u8 bFromAggrQ:1;
161 u8 reserved6:6;
162 u8 macId;
163 u8 priority;
164
165 /* Tx firmware related element(20-27) */
166 u8 data_rate;
167 u8 rts_rate;
168 u8 ampdu_factor;
169 u8 ampdu_density;
170 u8 DrvAggrNum;
171 u8 bdhcp;
172 u16 pkt_size;
173 u8 bIsSpecialDataFrame;
174
175 u8 bBTTxPacket;
176 u8 bIsBTProbRsp;
177 };
178
179 enum sw_chnl_cmd_id {
180 CmdID_End,
181 CmdID_SetTxPowerLevel,
182 CmdID_BBRegWrite10,
183 CmdID_WritePortUlong,
184 CmdID_WritePortUshort,
185 CmdID_WritePortUchar,
186 CmdID_RF_WriteReg,
187 };
188
189 struct sw_chnl_cmd {
190 enum sw_chnl_cmd_id CmdID;
191 u32 Para1;
192 u32 Para2;
193 u32 msDelay;
194 } __packed;
195
196 /*--------------------------Define -------------------------------------------*/
197 #define MGN_1M 0x02
198 #define MGN_2M 0x04
199 #define MGN_5_5M 0x0b
200 #define MGN_11M 0x16
201
202 #define MGN_6M 0x0c
203 #define MGN_9M 0x12
204 #define MGN_12M 0x18
205 #define MGN_18M 0x24
206 #define MGN_24M 0x30
207 #define MGN_36M 0x48
208 #define MGN_48M 0x60
209 #define MGN_54M 0x6c
210
211 #define MGN_MCS0 0x80
212 #define MGN_MCS1 0x81
213 #define MGN_MCS2 0x82
214 #define MGN_MCS3 0x83
215 #define MGN_MCS4 0x84
216 #define MGN_MCS5 0x85
217 #define MGN_MCS6 0x86
218 #define MGN_MCS7 0x87
219 #define MGN_MCS8 0x88
220 #define MGN_MCS9 0x89
221 #define MGN_MCS10 0x8a
222 #define MGN_MCS11 0x8b
223 #define MGN_MCS12 0x8c
224 #define MGN_MCS13 0x8d
225 #define MGN_MCS14 0x8e
226 #define MGN_MCS15 0x8f
227
228 enum hw_variables {
229 HW_VAR_ETHER_ADDR,
230 HW_VAR_MULTICAST_REG,
231 HW_VAR_BASIC_RATE,
232 HW_VAR_BSSID,
233 HW_VAR_MEDIA_STATUS,
234 HW_VAR_SECURITY_CONF,
235 HW_VAR_BEACON_INTERVAL,
236 HW_VAR_ATIM_WINDOW,
237 HW_VAR_LISTEN_INTERVAL,
238 HW_VAR_CS_COUNTER,
239 HW_VAR_DEFAULTKEY0,
240 HW_VAR_DEFAULTKEY1,
241 HW_VAR_DEFAULTKEY2,
242 HW_VAR_DEFAULTKEY3,
243 HW_VAR_SIFS,
244 HW_VAR_DIFS,
245 HW_VAR_EIFS,
246 HW_VAR_SLOT_TIME,
247 HW_VAR_ACK_PREAMBLE,
248 HW_VAR_CW_CONFIG,
249 HW_VAR_CW_VALUES,
250 HW_VAR_RATE_FALLBACK_CONTROL,
251 HW_VAR_CONTENTION_WINDOW,
252 HW_VAR_RETRY_COUNT,
253 HW_VAR_TR_SWITCH,
254 HW_VAR_COMMAND,
255 HW_VAR_WPA_CONFIG,
256 HW_VAR_AMPDU_MIN_SPACE,
257 HW_VAR_SHORTGI_DENSITY,
258 HW_VAR_AMPDU_FACTOR,
259 HW_VAR_MCS_RATE_AVAILABLE,
260 HW_VAR_AC_PARAM,
261 HW_VAR_ACM_CTRL,
262 HW_VAR_DIS_Req_Qsize,
263 HW_VAR_CCX_CHNL_LOAD,
264 HW_VAR_CCX_NOISE_HISTOGRAM,
265 HW_VAR_CCX_CLM_NHM,
266 HW_VAR_TxOPLimit,
267 HW_VAR_TURBO_MODE,
268 HW_VAR_RF_STATE,
269 HW_VAR_RF_OFF_BY_HW,
270 HW_VAR_BUS_SPEED,
271 HW_VAR_SET_DEV_POWER,
272
273 HW_VAR_RCR,
274 HW_VAR_RATR_0,
275 HW_VAR_RRSR,
276 HW_VAR_CPU_RST,
277 HW_VAR_CECHK_BSSID,
278 HW_VAR_LBK_MODE,
279 HW_VAR_AES_11N_FIX,
280 HW_VAR_USB_RX_AGGR,
281 HW_VAR_USER_CONTROL_TURBO_MODE,
282 HW_VAR_RETRY_LIMIT,
283 HW_VAR_INIT_TX_RATE,
284 HW_VAR_TX_RATE_REG,
285 HW_VAR_EFUSE_USAGE,
286 HW_VAR_EFUSE_BYTES,
287 HW_VAR_AUTOLOAD_STATUS,
288 HW_VAR_RF_2R_DISABLE,
289 HW_VAR_SET_RPWM,
290 HW_VAR_H2C_FW_PWRMODE,
291 HW_VAR_H2C_FW_JOINBSSRPT,
292 HW_VAR_1X1_RECV_COMBINE,
293 HW_VAR_STOP_SEND_BEACON,
294 HW_VAR_TSF_TIMER,
295 HW_VAR_IO_CMD,
296
297 HW_VAR_RF_RECOVERY,
298 HW_VAR_H2C_FW_UPDATE_GTK,
299 HW_VAR_WF_MASK,
300 HW_VAR_WF_CRC,
301 HW_VAR_WF_IS_MAC_ADDR,
302 HW_VAR_H2C_FW_OFFLOAD,
303 HW_VAR_RESET_WFCRC,
304
305 HW_VAR_HANDLE_FW_C2H,
306 HW_VAR_DL_FW_RSVD_PAGE,
307 HW_VAR_AID,
308 HW_VAR_HW_SEQ_ENABLE,
309 HW_VAR_CORRECT_TSF,
310 HW_VAR_BCN_VALID,
311 HW_VAR_FWLPS_RF_ON,
312 HW_VAR_DUAL_TSF_RST,
313 HW_VAR_SWITCH_EPHY_WoWLAN,
314 HW_VAR_INT_MIGRATION,
315 HW_VAR_INT_AC,
316 HW_VAR_RF_TIMING,
317 };
318
319 enum rt_op_mode {
320 RT_OP_MODE_AP,
321 RT_OP_MODE_INFRASTRUCTURE,
322 RT_OP_MODE_IBSS,
323 RT_OP_MODE_NO_LINK,
324 };
325
326
327 #define aSifsTime \
328 (((priv->rtllib->current_network.mode == IEEE_A) \
329 || (priv->rtllib->current_network.mode == IEEE_N_24G) \
330 || (priv->rtllib->current_network.mode == IEEE_N_5G)) ? 16 : 10)
331
332 #define MGMT_QUEUE_NUM 5
333
334 #define MAX_IE_LEN 0xff
335
336 #define msleep_interruptible_rsl msleep_interruptible
337
338 /* Maximum size for the MA-UNITDATA primitive, 802.11 standard section
339 * 6.2.1.1.2.
340 *
341 * The figure in section 7.1.2 suggests a body size of up to 2312
342 * bytes is allowed, which is a bit confusing, I suspect this
343 * represents the 2304 bytes of real data, plus a possible 8 bytes of
344 * WEP IV and ICV. (this interpretation suggested by Ramiro Barreiro)
345 */
346 #define RTLLIB_1ADDR_LEN 10
347 #define RTLLIB_2ADDR_LEN 16
348 #define RTLLIB_3ADDR_LEN 24
349 #define RTLLIB_4ADDR_LEN 30
350 #define RTLLIB_FCS_LEN 4
351
352 #define RTLLIB_SKBBUFFER_SIZE 2500
353
354 #define MIN_FRAG_THRESHOLD 256U
355 #define MAX_FRAG_THRESHOLD 2346U
356
357 /* Frame control field constants */
358 #define RTLLIB_FCTL_FTYPE 0x000c
359 #define RTLLIB_FCTL_STYPE 0x00f0
360 #define RTLLIB_FCTL_FRAMETYPE 0x00fc
361 #define RTLLIB_FCTL_TODS 0x0100
362 #define RTLLIB_FCTL_FROMDS 0x0200
363 #define RTLLIB_FCTL_DSTODS 0x0300
364 #define RTLLIB_FCTL_MOREFRAGS 0x0400
365 #define RTLLIB_FCTL_RETRY 0x0800
366 #define RTLLIB_FCTL_PM 0x1000
367 #define RTLLIB_FCTL_MOREDATA 0x2000
368 #define RTLLIB_FCTL_WEP 0x4000
369 #define RTLLIB_FCTL_ORDER 0x8000
370
371 #define RTLLIB_FTYPE_MGMT 0x0000
372 #define RTLLIB_FTYPE_CTL 0x0004
373 #define RTLLIB_FTYPE_DATA 0x0008
374
375 /* management */
376 #define RTLLIB_STYPE_ASSOC_REQ 0x0000
377 #define RTLLIB_STYPE_ASSOC_RESP 0x0010
378 #define RTLLIB_STYPE_REASSOC_REQ 0x0020
379 #define RTLLIB_STYPE_REASSOC_RESP 0x0030
380 #define RTLLIB_STYPE_PROBE_REQ 0x0040
381 #define RTLLIB_STYPE_PROBE_RESP 0x0050
382 #define RTLLIB_STYPE_BEACON 0x0080
383 #define RTLLIB_STYPE_ATIM 0x0090
384 #define RTLLIB_STYPE_DISASSOC 0x00A0
385 #define RTLLIB_STYPE_AUTH 0x00B0
386 #define RTLLIB_STYPE_DEAUTH 0x00C0
387 #define RTLLIB_STYPE_MANAGE_ACT 0x00D0
388
389 /* control */
390 #define RTLLIB_STYPE_PSPOLL 0x00A0
391 #define RTLLIB_STYPE_RTS 0x00B0
392 #define RTLLIB_STYPE_CTS 0x00C0
393 #define RTLLIB_STYPE_ACK 0x00D0
394
395 /* data */
396 #define RTLLIB_STYPE_DATA 0x0000
397 #define RTLLIB_STYPE_DATA_CFACK 0x0010
398 #define RTLLIB_STYPE_DATA_CFPOLL 0x0020
399 #define RTLLIB_STYPE_DATA_CFACKPOLL 0x0030
400 #define RTLLIB_STYPE_NULLFUNC 0x0040
401 #define RTLLIB_STYPE_QOS_DATA 0x0080
402 #define RTLLIB_STYPE_QOS_NULL 0x00C0
403
404 #define RTLLIB_SCTL_FRAG 0x000F
405 #define RTLLIB_SCTL_SEQ 0xFFF0
406
407 /* QOS control */
408 #define RTLLIB_QCTL_TID 0x000F
409
410 #define FC_QOS_BIT BIT7
411 #define IsDataFrame(pdu) (((pdu[0] & 0x0C) == 0x08) ? true : false)
412 #define IsLegacyDataFrame(pdu) (IsDataFrame(pdu) && (!(pdu[0]&FC_QOS_BIT)))
413 #define IsQoSDataFrame(pframe) \
414 ((*(u16 *)pframe&(RTLLIB_STYPE_QOS_DATA|RTLLIB_FTYPE_DATA)) == \
415 (RTLLIB_STYPE_QOS_DATA|RTLLIB_FTYPE_DATA))
416 #define Frame_Order(pframe) (*(u16 *)pframe&RTLLIB_FCTL_ORDER)
417 #define SN_LESS(a, b) (((a-b)&0x800) != 0)
418 #define SN_EQUAL(a, b) (a == b)
419 #define MAX_DEV_ADDR_SIZE 8
420
421 enum act_category {
422 ACT_CAT_QOS = 1,
423 ACT_CAT_DLS = 2,
424 ACT_CAT_BA = 3,
425 ACT_CAT_HT = 7,
426 ACT_CAT_WMM = 17,
427 };
428
429 enum ba_action {
430 ACT_ADDBAREQ = 0,
431 ACT_ADDBARSP = 1,
432 ACT_DELBA = 2,
433 };
434
435 enum init_gain_op_type {
436 IG_Backup = 0,
437 IG_Restore,
438 IG_Max
439 };
440
441 enum led_ctl_mode {
442 LED_CTL_POWER_ON = 1,
443 LED_CTL_LINK = 2,
444 LED_CTL_NO_LINK = 3,
445 LED_CTL_TX = 4,
446 LED_CTL_RX = 5,
447 LED_CTL_SITE_SURVEY = 6,
448 LED_CTL_POWER_OFF = 7,
449 LED_CTL_START_TO_LINK = 8,
450 };
451
452 enum rt_rf_type_def {
453 RF_1T2R = 0,
454 RF_2T4R,
455 };
456
457 enum wireless_mode {
458 WIRELESS_MODE_UNKNOWN = 0x00,
459 WIRELESS_MODE_A = 0x01,
460 WIRELESS_MODE_B = 0x02,
461 WIRELESS_MODE_G = 0x04,
462 WIRELESS_MODE_AUTO = 0x08,
463 WIRELESS_MODE_N_24G = 0x10,
464 WIRELESS_MODE_N_5G = 0x20
465 };
466
467 #ifndef ETH_P_PAE
468 #define ETH_P_PAE 0x888E /* Port Access Entity (IEEE 802.1X) */
469 #define ETH_P_IP 0x0800 /* Internet Protocol packet */
470 #define ETH_P_ARP 0x0806 /* Address Resolution packet */
471 #endif /* ETH_P_PAE */
472
473 #ifndef ETH_P_80211_RAW
474 #define ETH_P_80211_RAW (ETH_P_ECONET + 1)
475 #endif
476
477 /* IEEE 802.11 defines */
478
479 #define P80211_OUI_LEN 3
480
481 struct rtllib_snap_hdr {
482 u8 dsap; /* always 0xAA */
483 u8 ssap; /* always 0xAA */
484 u8 ctrl; /* always 0x03 */
485 u8 oui[P80211_OUI_LEN]; /* organizational universal id */
486
487 } __packed;
488
489 enum _REG_PREAMBLE_MODE {
490 PREAMBLE_LONG = 1,
491 PREAMBLE_AUTO = 2,
492 PREAMBLE_SHORT = 3,
493 };
494
495 #define SNAP_SIZE sizeof(struct rtllib_snap_hdr)
496
497 #define WLAN_FC_GET_TYPE(fc) ((fc) & RTLLIB_FCTL_FTYPE)
498 #define WLAN_FC_GET_STYPE(fc) ((fc) & RTLLIB_FCTL_STYPE)
499 #define WLAN_FC_MORE_DATA(fc) ((fc) & RTLLIB_FCTL_MOREDATA)
500
501 #define WLAN_FC_GET_FRAMETYPE(fc) ((fc) & RTLLIB_FCTL_FRAMETYPE)
502 #define WLAN_GET_SEQ_FRAG(seq) ((seq) & RTLLIB_SCTL_FRAG)
503 #define WLAN_GET_SEQ_SEQ(seq) (((seq) & RTLLIB_SCTL_SEQ) >> 4)
504
505 /* Authentication algorithms */
506 #define WLAN_AUTH_OPEN 0
507 #define WLAN_AUTH_SHARED_KEY 1
508 #define WLAN_AUTH_LEAP 128
509
510 #define WLAN_CAPABILITY_ESS (1<<0)
511 #define WLAN_CAPABILITY_IBSS (1<<1)
512 #define WLAN_CAPABILITY_PRIVACY (1<<4)
513 #define WLAN_CAPABILITY_SHORT_PREAMBLE (1<<5)
514 #define WLAN_CAPABILITY_SHORT_SLOT_TIME (1<<10)
515
516 #define RTLLIB_STATMASK_SIGNAL (1<<0)
517 #define RTLLIB_STATMASK_RSSI (1<<1)
518 #define RTLLIB_STATMASK_NOISE (1<<2)
519 #define RTLLIB_STATMASK_WEMASK 0x7
520
521 #define RTLLIB_CCK_MODULATION (1<<0)
522 #define RTLLIB_OFDM_MODULATION (1<<1)
523
524 #define RTLLIB_24GHZ_BAND (1<<0)
525 #define RTLLIB_52GHZ_BAND (1<<1)
526
527 #define RTLLIB_CCK_RATE_LEN 4
528 #define RTLLIB_CCK_RATE_1MB 0x02
529 #define RTLLIB_CCK_RATE_2MB 0x04
530 #define RTLLIB_CCK_RATE_5MB 0x0B
531 #define RTLLIB_CCK_RATE_11MB 0x16
532 #define RTLLIB_OFDM_RATE_LEN 8
533 #define RTLLIB_OFDM_RATE_6MB 0x0C
534 #define RTLLIB_OFDM_RATE_9MB 0x12
535 #define RTLLIB_OFDM_RATE_12MB 0x18
536 #define RTLLIB_OFDM_RATE_18MB 0x24
537 #define RTLLIB_OFDM_RATE_24MB 0x30
538 #define RTLLIB_OFDM_RATE_36MB 0x48
539 #define RTLLIB_OFDM_RATE_48MB 0x60
540 #define RTLLIB_OFDM_RATE_54MB 0x6C
541 #define RTLLIB_BASIC_RATE_MASK 0x80
542
543 /* this is stolen and modified from the madwifi driver*/
544 #define RTLLIB_FC0_TYPE_MASK 0x0c
545 #define RTLLIB_FC0_TYPE_DATA 0x08
546 #define RTLLIB_FC0_SUBTYPE_MASK 0xB0
547 #define RTLLIB_FC0_SUBTYPE_QOS 0x80
548
549 #define RTLLIB_QOS_HAS_SEQ(fc) \
550 (((fc) & (RTLLIB_FC0_TYPE_MASK | RTLLIB_FC0_SUBTYPE_MASK)) == \
551 (RTLLIB_FC0_TYPE_DATA | RTLLIB_FC0_SUBTYPE_QOS))
552
553 /* this is stolen from ipw2200 driver */
554 #define IEEE_IBSS_MAC_HASH_SIZE 31
555 struct ieee_ibss_seq {
556 u8 mac[ETH_ALEN];
557 u16 seq_num[17];
558 u16 frag_num[17];
559 unsigned long packet_time[17];
560 struct list_head list;
561 };
562
563 /* NOTE: This data is for statistical purposes; not all hardware provides this
564 * information for frames received. Not setting these will not cause
565 * any adverse affects.
566 */
567 struct rtllib_rx_stats {
568 u64 mac_time;
569 s8 rssi;
570 u8 signal;
571 u8 noise;
572 u16 rate; /* in 100 kbps */
573 u8 received_channel;
574 u8 control;
575 u8 mask;
576 u8 freq;
577 u16 len;
578 u64 tsf;
579 u32 beacon_time;
580 u8 nic_type;
581 u16 Length;
582 u8 SignalQuality;
583 s32 RecvSignalPower;
584 s8 RxPower;
585 u8 SignalStrength;
586 u16 bHwError:1;
587 u16 bCRC:1;
588 u16 bICV:1;
589 u16 bShortPreamble:1;
590 u16 Antenna:1;
591 u16 Decrypted:1;
592 u16 Wakeup:1;
593 u16 Reserved0:1;
594 u8 AGC;
595 u32 TimeStampLow;
596 u32 TimeStampHigh;
597 bool bShift;
598 bool bIsQosData;
599
600 u8 RxDrvInfoSize;
601 u8 RxBufShift;
602 bool bIsAMPDU;
603 bool bFirstMPDU;
604 bool bContainHTC;
605 bool RxIs40MHzPacket;
606 u32 RxPWDBAll;
607 u8 RxMIMOSignalStrength[4];
608 s8 RxMIMOSignalQuality[2];
609 bool bPacketMatchBSSID;
610 bool bIsCCK;
611 bool bPacketToSelf;
612 u16 packetlength;
613 u16 fraglength;
614 u16 fragoffset;
615 u16 ntotalfrag;
616 bool bPacketBeacon;
617 bool bToSelfBA;
618 u16 Seq_Num;
619 };
620
621 /* IEEE 802.11 requires that STA supports concurrent reception of at least
622 * three fragmented frames. This define can be increased to support more
623 * concurrent frames, but it should be noted that each entry can consume about
624 * 2 kB of RAM and increasing cache size will slow down frame reassembly.
625 */
626 #define RTLLIB_FRAG_CACHE_LEN 4
627
628 struct rtllib_frag_entry {
629 unsigned long first_frag_time;
630 unsigned int seq;
631 unsigned int last_frag;
632 struct sk_buff *skb;
633 u8 src_addr[ETH_ALEN];
634 u8 dst_addr[ETH_ALEN];
635 };
636
637 struct rtllib_device;
638
639 #define SEC_ACTIVE_KEY (1<<4)
640 #define SEC_AUTH_MODE (1<<5)
641 #define SEC_UNICAST_GROUP (1<<6)
642 #define SEC_LEVEL (1<<7)
643 #define SEC_ENABLED (1<<8)
644
645 #define SEC_LEVEL_0 0 /* None */
646 #define SEC_LEVEL_1 1 /* WEP 40 and 104 bit */
647 #define SEC_LEVEL_2 2 /* Level 1 + TKIP */
648 #define SEC_LEVEL_2_CKIP 3 /* Level 1 + CKIP */
649 #define SEC_LEVEL_3 4 /* Level 2 + CCMP */
650
651 #define SEC_ALG_NONE 0
652 #define SEC_ALG_WEP 1
653 #define SEC_ALG_TKIP 2
654 #define SEC_ALG_CCMP 4
655
656 #define WEP_KEY_LEN 13
657 #define SCM_KEY_LEN 32
658
659 struct rtllib_security {
660 u16 active_key:2,
661 enabled:1,
662 auth_mode:2,
663 auth_algo:4,
664 unicast_uses_group:1,
665 encrypt:1;
666 u8 key_sizes[NUM_WEP_KEYS];
667 u8 keys[NUM_WEP_KEYS][SCM_KEY_LEN];
668 u8 level;
669 u16 flags;
670 } __packed;
671
672
673 /* 802.11 data frame from AP
674 * ,-------------------------------------------------------------------.
675 * Bytes | 2 | 2 | 6 | 6 | 6 | 2 | 0..2312 | 4 |
676 * |------|------|---------|---------|---------|------|---------|------|
677 * Desc. | ctrl | dura | DA/RA | TA | SA | Sequ | frame | fcs |
678 * | | tion | (BSSID) | | | ence | data | |
679 * `-------------------------------------------------------------------'
680 * Total: 28-2340 bytes
681 */
682
683 /* Management Frame Information Element Types */
684 enum rtllib_mfie {
685 MFIE_TYPE_SSID = 0,
686 MFIE_TYPE_RATES = 1,
687 MFIE_TYPE_FH_SET = 2,
688 MFIE_TYPE_DS_SET = 3,
689 MFIE_TYPE_CF_SET = 4,
690 MFIE_TYPE_TIM = 5,
691 MFIE_TYPE_IBSS_SET = 6,
692 MFIE_TYPE_COUNTRY = 7,
693 MFIE_TYPE_HOP_PARAMS = 8,
694 MFIE_TYPE_HOP_TABLE = 9,
695 MFIE_TYPE_REQUEST = 10,
696 MFIE_TYPE_CHALLENGE = 16,
697 MFIE_TYPE_POWER_CONSTRAINT = 32,
698 MFIE_TYPE_POWER_CAPABILITY = 33,
699 MFIE_TYPE_TPC_REQUEST = 34,
700 MFIE_TYPE_TPC_REPORT = 35,
701 MFIE_TYPE_SUPP_CHANNELS = 36,
702 MFIE_TYPE_CSA = 37,
703 MFIE_TYPE_MEASURE_REQUEST = 38,
704 MFIE_TYPE_MEASURE_REPORT = 39,
705 MFIE_TYPE_QUIET = 40,
706 MFIE_TYPE_IBSS_DFS = 41,
707 MFIE_TYPE_ERP = 42,
708 MFIE_TYPE_HT_CAP = 45,
709 MFIE_TYPE_RSN = 48,
710 MFIE_TYPE_RATES_EX = 50,
711 MFIE_TYPE_HT_INFO = 61,
712 MFIE_TYPE_AIRONET = 133,
713 MFIE_TYPE_GENERIC = 221,
714 MFIE_TYPE_QOS_PARAMETER = 222,
715 };
716
717 /* Minimal header; can be used for passing 802.11 frames with sufficient
718 * information to determine what type of underlying data type is actually
719 * stored in the data.
720 */
721 struct rtllib_pspoll_hdr {
722 __le16 frame_ctl;
723 __le16 aid;
724 u8 bssid[ETH_ALEN];
725 u8 ta[ETH_ALEN];
726 } __packed;
727
728 struct rtllib_hdr {
729 __le16 frame_ctl;
730 __le16 duration_id;
731 u8 payload[];
732 } __packed;
733
734 struct rtllib_hdr_1addr {
735 __le16 frame_ctl;
736 __le16 duration_id;
737 u8 addr1[ETH_ALEN];
738 u8 payload[];
739 } __packed;
740
741 struct rtllib_hdr_2addr {
742 __le16 frame_ctl;
743 __le16 duration_id;
744 u8 addr1[ETH_ALEN];
745 u8 addr2[ETH_ALEN];
746 u8 payload[];
747 } __packed;
748
749 struct rtllib_hdr_3addr {
750 __le16 frame_ctl;
751 __le16 duration_id;
752 u8 addr1[ETH_ALEN];
753 u8 addr2[ETH_ALEN];
754 u8 addr3[ETH_ALEN];
755 __le16 seq_ctl;
756 u8 payload[];
757 } __packed;
758
759 struct rtllib_hdr_4addr {
760 __le16 frame_ctl;
761 __le16 duration_id;
762 u8 addr1[ETH_ALEN];
763 u8 addr2[ETH_ALEN];
764 u8 addr3[ETH_ALEN];
765 __le16 seq_ctl;
766 u8 addr4[ETH_ALEN];
767 u8 payload[];
768 } __packed;
769
770 struct rtllib_hdr_3addrqos {
771 __le16 frame_ctl;
772 __le16 duration_id;
773 u8 addr1[ETH_ALEN];
774 u8 addr2[ETH_ALEN];
775 u8 addr3[ETH_ALEN];
776 __le16 seq_ctl;
777 __le16 qos_ctl;
778 u8 payload[];
779 } __packed;
780
781 struct rtllib_hdr_4addrqos {
782 __le16 frame_ctl;
783 __le16 duration_id;
784 u8 addr1[ETH_ALEN];
785 u8 addr2[ETH_ALEN];
786 u8 addr3[ETH_ALEN];
787 __le16 seq_ctl;
788 u8 addr4[ETH_ALEN];
789 __le16 qos_ctl;
790 u8 payload[];
791 } __packed;
792
793 struct rtllib_info_element {
794 u8 id;
795 u8 len;
796 u8 data[];
797 } __packed;
798
799 struct rtllib_authentication {
800 struct rtllib_hdr_3addr header;
801 __le16 algorithm;
802 __le16 transaction;
803 __le16 status;
804 /*challenge*/
805 struct rtllib_info_element info_element[];
806 } __packed;
807
808 struct rtllib_disauth {
809 struct rtllib_hdr_3addr header;
810 __le16 reason;
811 } __packed;
812
813 struct rtllib_disassoc {
814 struct rtllib_hdr_3addr header;
815 __le16 reason;
816 } __packed;
817
818 struct rtllib_probe_request {
819 struct rtllib_hdr_3addr header;
820 /* SSID, supported rates */
821 struct rtllib_info_element info_element[];
822 } __packed;
823
824 struct rtllib_probe_response {
825 struct rtllib_hdr_3addr header;
826 u32 time_stamp[2];
827 __le16 beacon_interval;
828 __le16 capability;
829 /* SSID, supported rates, FH params, DS params,
830 * CF params, IBSS params, TIM (if beacon), RSN
831 */
832 struct rtllib_info_element info_element[];
833 } __packed;
834
835 /* Alias beacon for probe_response */
836 #define rtllib_beacon rtllib_probe_response
837
838 struct rtllib_assoc_request_frame {
839 struct rtllib_hdr_3addr header;
840 __le16 capability;
841 __le16 listen_interval;
842 /* SSID, supported rates, RSN */
843 struct rtllib_info_element info_element[];
844 } __packed;
845
846 struct rtllib_assoc_response_frame {
847 struct rtllib_hdr_3addr header;
848 __le16 capability;
849 __le16 status;
850 __le16 aid;
851 struct rtllib_info_element info_element[]; /* supported rates */
852 } __packed;
853
854 struct rtllib_txb {
855 u8 nr_frags;
856 u8 encrypted;
857 u8 queue_index;
858 u8 rts_included;
859 u16 reserved;
860 __le16 frag_size;
861 __le16 payload_size;
862 struct sk_buff *fragments[];
863 };
864
865 #define MAX_SUBFRAME_COUNT 64
866 struct rtllib_rxb {
867 u8 nr_subframes;
868 struct sk_buff *subframes[MAX_SUBFRAME_COUNT];
869 u8 dst[ETH_ALEN];
870 u8 src[ETH_ALEN];
871 } __packed;
872
873 union frameqos {
874 u16 shortdata;
875 u8 chardata[2];
876 struct {
877 u16 tid:4;
878 u16 eosp:1;
879 u16 ack_policy:2;
880 u16 reserved:1;
881 u16 txop:8;
882 } field;
883 };
884
885 /* MAX_RATES_LENGTH needs to be 12. The spec says 8, and many APs
886 * only use 8, and then use extended rates for the remaining supported
887 * rates. Other APs, however, stick all of their supported rates on the
888 * main rates information element...
889 */
890 #define MAX_RATES_LENGTH ((u8)12)
891 #define MAX_RATES_EX_LENGTH ((u8)16)
892 #define MAX_NETWORK_COUNT 96
893
894 #define MAX_CHANNEL_NUMBER 161
895 #define RTLLIB_SOFTMAC_SCAN_TIME 100
896 #define RTLLIB_SOFTMAC_ASSOC_RETRY_TIME (HZ * 2)
897
898 #define MAX_WPA_IE_LEN 64
899 #define MAX_WZC_IE_LEN 256
900
901 #define NETWORK_EMPTY_ESSID (1<<0)
902 #define NETWORK_HAS_OFDM (1<<1)
903 #define NETWORK_HAS_CCK (1<<2)
904
905 /* QoS structure */
906 #define NETWORK_HAS_QOS_PARAMETERS (1<<3)
907 #define NETWORK_HAS_QOS_INFORMATION (1<<4)
908 #define NETWORK_HAS_QOS_MASK (NETWORK_HAS_QOS_PARAMETERS | \
909 NETWORK_HAS_QOS_INFORMATION)
910 /* 802.11h */
911 #define NETWORK_HAS_ERP_VALUE (1<<10)
912
913 #define QOS_QUEUE_NUM 4
914 #define QOS_OUI_LEN 3
915 #define QOS_OUI_TYPE 2
916 #define QOS_ELEMENT_ID 221
917 #define QOS_OUI_INFO_SUB_TYPE 0
918 #define QOS_OUI_PARAM_SUB_TYPE 1
919 #define QOS_VERSION_1 1
920
921 struct rtllib_qos_information_element {
922 u8 elementID;
923 u8 length;
924 u8 qui[QOS_OUI_LEN];
925 u8 qui_type;
926 u8 qui_subtype;
927 u8 version;
928 u8 ac_info;
929 } __packed;
930
931 struct rtllib_qos_ac_parameter {
932 u8 aci_aifsn;
933 u8 ecw_min_max;
934 __le16 tx_op_limit;
935 } __packed;
936
937 struct rtllib_qos_parameter_info {
938 struct rtllib_qos_information_element info_element;
939 u8 reserved;
940 struct rtllib_qos_ac_parameter ac_params_record[QOS_QUEUE_NUM];
941 } __packed;
942
943 struct rtllib_qos_parameters {
944 __le16 cw_min[QOS_QUEUE_NUM];
945 __le16 cw_max[QOS_QUEUE_NUM];
946 u8 aifs[QOS_QUEUE_NUM];
947 u8 flag[QOS_QUEUE_NUM];
948 __le16 tx_op_limit[QOS_QUEUE_NUM];
949 } __packed;
950
951 struct rtllib_qos_data {
952 struct rtllib_qos_parameters parameters;
953 unsigned int wmm_acm;
954 int active;
955 int supported;
956 u8 param_count;
957 u8 old_param_count;
958 };
959
960 struct rtllib_tim_parameters {
961 u8 tim_count;
962 u8 tim_period;
963 } __packed;
964
965 struct rtllib_wmm_ac_param {
966 u8 ac_aci_acm_aifsn;
967 u8 ac_ecwmin_ecwmax;
968 u16 ac_txop_limit;
969 };
970
971 enum eap_type {
972 EAP_PACKET = 0,
973 EAPOL_START,
974 EAPOL_LOGOFF,
975 EAPOL_KEY,
976 EAPOL_ENCAP_ASF_ALERT
977 };
978
979 static const char * const eap_types[] = {
980 [EAP_PACKET] = "EAP-Packet",
981 [EAPOL_START] = "EAPOL-Start",
982 [EAPOL_LOGOFF] = "EAPOL-Logoff",
983 [EAPOL_KEY] = "EAPOL-Key",
984 [EAPOL_ENCAP_ASF_ALERT] = "EAPOL-Encap-ASF-Alert"
985 };
986
eap_get_type(int type)987 static inline const char *eap_get_type(int type)
988 {
989 return ((u32)type >= ARRAY_SIZE(eap_types)) ? "Unknown" :
990 eap_types[type];
991 }
Frame_QoSTID(u8 * buf)992 static inline u8 Frame_QoSTID(u8 *buf)
993 {
994 struct rtllib_hdr_3addr *hdr;
995 u16 fc;
996
997 hdr = (struct rtllib_hdr_3addr *)buf;
998 fc = le16_to_cpu(hdr->frame_ctl);
999 return (u8)((union frameqos *)(buf + (((fc & RTLLIB_FCTL_TODS) &&
1000 (fc & RTLLIB_FCTL_FROMDS)) ? 30 : 24)))->field.tid;
1001 }
1002
1003
1004 struct eapol {
1005 u8 snap[6];
1006 u16 ethertype;
1007 u8 version;
1008 u8 type;
1009 u16 length;
1010 } __packed;
1011
1012 struct rtllib_softmac_stats {
1013 unsigned int rx_ass_ok;
1014 unsigned int rx_ass_err;
1015 unsigned int rx_probe_rq;
1016 unsigned int tx_probe_rs;
1017 unsigned int tx_beacons;
1018 unsigned int rx_auth_rq;
1019 unsigned int rx_auth_rs_ok;
1020 unsigned int rx_auth_rs_err;
1021 unsigned int tx_auth_rq;
1022 unsigned int no_auth_rs;
1023 unsigned int no_ass_rs;
1024 unsigned int tx_ass_rq;
1025 unsigned int rx_ass_rq;
1026 unsigned int tx_probe_rq;
1027 unsigned int reassoc;
1028 unsigned int swtxstop;
1029 unsigned int swtxawake;
1030 unsigned char CurrentShowTxate;
1031 unsigned char last_packet_rate;
1032 unsigned int txretrycount;
1033 };
1034
1035 /* These are the data types that can make up management packets
1036 *
1037 * u16 auth_algorithm;
1038 * u16 auth_sequence;
1039 * u16 beacon_interval;
1040 * u16 capability;
1041 * u8 current_ap[ETH_ALEN];
1042 * u16 listen_interval;
1043 * struct {
1044 * u16 association_id:14, reserved:2;
1045 * } __packed;
1046 * u32 time_stamp[2];
1047 * u16 reason;
1048 * u16 status;
1049 */
1050
1051 #define RTLLIB_DEFAULT_TX_ESSID "Penguin"
1052 #define RTLLIB_DEFAULT_BASIC_RATE 2
1053
1054 enum {WMM_all_frame, WMM_two_frame, WMM_four_frame, WMM_six_frame};
1055 #define MAX_SP_Len (WMM_all_frame << 4)
1056 #define RTLLIB_QOS_TID 0x0f
1057 #define QOS_CTL_NOTCONTAIN_ACK (0x01 << 5)
1058
1059 #define RTLLIB_DTIM_MBCAST 4
1060 #define RTLLIB_DTIM_UCAST 2
1061 #define RTLLIB_DTIM_VALID 1
1062 #define RTLLIB_DTIM_INVALID 0
1063
1064 #define RTLLIB_PS_DISABLED 0
1065 #define RTLLIB_PS_UNICAST RTLLIB_DTIM_UCAST
1066 #define RTLLIB_PS_MBCAST RTLLIB_DTIM_MBCAST
1067
1068 #define WME_AC_BK 0x00
1069 #define WME_AC_BE 0x01
1070 #define WME_AC_VI 0x02
1071 #define WME_AC_VO 0x03
1072 #define WME_AC_PRAM_LEN 16
1073
1074 #define MAX_RECEIVE_BUFFER_SIZE 9100
1075
1076 #define UP2AC(up) ( \
1077 ((up) < 1) ? WME_AC_BE : \
1078 ((up) < 3) ? WME_AC_BK : \
1079 ((up) < 4) ? WME_AC_BE : \
1080 ((up) < 6) ? WME_AC_VI : \
1081 WME_AC_VO)
1082
1083 #define ETHER_ADDR_LEN 6 /* length of an Ethernet address */
1084 #define ETHERNET_HEADER_SIZE 14 /* length of two Ethernet address
1085 * plus ether type
1086 */
1087
1088 enum erp_t {
1089 ERP_NonERPpresent = 0x01,
1090 ERP_UseProtection = 0x02,
1091 ERP_BarkerPreambleMode = 0x04,
1092 };
1093
1094 struct rtllib_network {
1095 /* These entries are used to identify a unique network */
1096 u8 bssid[ETH_ALEN];
1097 u8 channel;
1098 /* Ensure null-terminated for any debug msgs */
1099 u8 ssid[IW_ESSID_MAX_SIZE + 1];
1100 u8 ssid_len;
1101 u8 hidden_ssid[IW_ESSID_MAX_SIZE + 1];
1102 u8 hidden_ssid_len;
1103 struct rtllib_qos_data qos_data;
1104
1105 bool bWithAironetIE;
1106 bool bCkipSupported;
1107 bool bCcxRmEnable;
1108 u8 CcxRmState[2];
1109 bool bMBssidValid;
1110 u8 MBssidMask;
1111 u8 MBssid[ETH_ALEN];
1112 bool bWithCcxVerNum;
1113 u8 BssCcxVerNumber;
1114 /* These are network statistics */
1115 struct rtllib_rx_stats stats;
1116 u16 capability;
1117 u8 rates[MAX_RATES_LENGTH];
1118 u8 rates_len;
1119 u8 rates_ex[MAX_RATES_EX_LENGTH];
1120 u8 rates_ex_len;
1121 unsigned long last_scanned;
1122 u8 mode;
1123 u32 flags;
1124 u32 time_stamp[2];
1125 u16 beacon_interval;
1126 u16 listen_interval;
1127 u16 atim_window;
1128 u8 erp_value;
1129 u8 wpa_ie[MAX_WPA_IE_LEN];
1130 size_t wpa_ie_len;
1131 u8 rsn_ie[MAX_WPA_IE_LEN];
1132 size_t rsn_ie_len;
1133 u8 wzc_ie[MAX_WZC_IE_LEN];
1134 size_t wzc_ie_len;
1135
1136 struct rtllib_tim_parameters tim;
1137 u8 dtim_period;
1138 u8 dtim_data;
1139 u64 last_dtim_sta_time;
1140
1141 u8 wmm_info;
1142 struct rtllib_wmm_ac_param wmm_param[4];
1143 u8 Turbo_Enable;
1144 u16 CountryIeLen;
1145 u8 CountryIeBuf[MAX_IE_LEN];
1146 struct bss_ht bssht;
1147 bool broadcom_cap_exist;
1148 bool realtek_cap_exit;
1149 bool marvell_cap_exist;
1150 bool ralink_cap_exist;
1151 bool atheros_cap_exist;
1152 bool cisco_cap_exist;
1153 bool airgo_cap_exist;
1154 bool unknown_cap_exist;
1155 bool berp_info_valid;
1156 bool buseprotection;
1157 u8 SignalStrength;
1158 u8 RSSI;
1159 struct list_head list;
1160 };
1161
1162 enum rtllib_state {
1163
1164 /* the card is not linked at all */
1165 RTLLIB_NOLINK = 0,
1166
1167 /* RTLLIB_ASSOCIATING* are for BSS client mode
1168 * the driver shall not perform RX filtering unless
1169 * the state is LINKED.
1170 * The driver shall just check for the state LINKED and
1171 * defaults to NOLINK for ALL the other states (including
1172 * LINKED_SCANNING)
1173 */
1174
1175 /* the association procedure will start (wq scheduling)*/
1176 RTLLIB_ASSOCIATING,
1177 RTLLIB_ASSOCIATING_RETRY,
1178
1179 /* the association procedure is sending AUTH request*/
1180 RTLLIB_ASSOCIATING_AUTHENTICATING,
1181
1182 /* the association procedure has successfully authenticated
1183 * and is sending association request
1184 */
1185 RTLLIB_ASSOCIATING_AUTHENTICATED,
1186
1187 /* the link is ok. the card associated to a BSS or linked
1188 * to a ibss cell or acting as an AP and creating the bss
1189 */
1190 RTLLIB_LINKED,
1191
1192 /* same as LINKED, but the driver shall apply RX filter
1193 * rules as we are in NO_LINK mode. As the card is still
1194 * logically linked, but it is doing a syncro site survey
1195 * then it will be back to LINKED state.
1196 */
1197 RTLLIB_LINKED_SCANNING,
1198 };
1199
1200 #define DEFAULT_MAX_SCAN_AGE (15 * HZ)
1201 #define DEFAULT_FTS 2346
1202
1203 #define CFG_RTLLIB_RESERVE_FCS (1<<0)
1204 #define CFG_RTLLIB_COMPUTE_FCS (1<<1)
1205
1206 struct tx_pending {
1207 int frag;
1208 struct rtllib_txb *txb;
1209 };
1210
1211 struct bandwidth_autoswitch {
1212 long threshold_20Mhzto40Mhz;
1213 long threshold_40Mhzto20Mhz;
1214 bool bforced_tx20Mhz;
1215 bool bautoswitch_enable;
1216 };
1217
1218
1219
1220 #define REORDER_WIN_SIZE 128
1221 #define REORDER_ENTRY_NUM 128
1222 struct rx_reorder_entry {
1223 struct list_head List;
1224 u16 SeqNum;
1225 struct rtllib_rxb *prxb;
1226 };
1227 enum fsync_state {
1228 Default_Fsync,
1229 HW_Fsync,
1230 SW_Fsync
1231 };
1232
1233 enum rt_ps_mode {
1234 eActive,
1235 eMaxPs,
1236 eFastPs,
1237 eAutoPs,
1238 };
1239
1240 enum ips_callback_function {
1241 IPS_CALLBACK_NONE = 0,
1242 IPS_CALLBACK_MGNT_LINK_REQUEST = 1,
1243 IPS_CALLBACK_JOIN_REQUEST = 2,
1244 };
1245
1246 enum rt_rf_power_state {
1247 eRfOn,
1248 eRfSleep,
1249 eRfOff
1250 };
1251
1252 struct rt_pwr_save_ctrl {
1253
1254 bool bInactivePs;
1255 bool bIPSModeBackup;
1256 bool bSwRfProcessing;
1257 enum rt_rf_power_state eInactivePowerState;
1258 enum ips_callback_function ReturnPoint;
1259
1260 bool bLeisurePs;
1261 u8 LpsIdleCount;
1262 u8 RegMaxLPSAwakeIntvl;
1263 u8 LPSAwakeIntvl;
1264
1265 u32 CurPsLevel;
1266 u32 RegRfPsLevel;
1267
1268 bool bFwCtrlLPS;
1269
1270 };
1271
1272 #define RT_RF_CHANGE_SOURCE u32
1273
1274 #define RF_CHANGE_BY_SW BIT31
1275 #define RF_CHANGE_BY_HW BIT30
1276 #define RF_CHANGE_BY_PS BIT29
1277 #define RF_CHANGE_BY_IPS BIT28
1278 #define RF_CHANGE_BY_INIT 0
1279
1280 enum country_code_type {
1281 COUNTRY_CODE_FCC = 0,
1282 COUNTRY_CODE_IC = 1,
1283 COUNTRY_CODE_ETSI = 2,
1284 COUNTRY_CODE_SPAIN = 3,
1285 COUNTRY_CODE_FRANCE = 4,
1286 COUNTRY_CODE_MKK = 5,
1287 COUNTRY_CODE_MKK1 = 6,
1288 COUNTRY_CODE_ISRAEL = 7,
1289 COUNTRY_CODE_TELEC = 8,
1290 COUNTRY_CODE_MIC = 9,
1291 COUNTRY_CODE_GLOBAL_DOMAIN = 10,
1292 COUNTRY_CODE_WORLD_WIDE_13 = 11,
1293 COUNTRY_CODE_TELEC_NETGEAR = 12,
1294 COUNTRY_CODE_MAX
1295 };
1296
1297 enum scan_op_backup_opt {
1298 SCAN_OPT_BACKUP = 0,
1299 SCAN_OPT_RESTORE,
1300 SCAN_OPT_MAX
1301 };
1302
1303 enum fw_cmd_io_type {
1304 FW_CMD_DIG_ENABLE = 0,
1305 FW_CMD_DIG_DISABLE = 1,
1306 FW_CMD_DIG_HALT = 2,
1307 FW_CMD_DIG_RESUME = 3,
1308 FW_CMD_HIGH_PWR_ENABLE = 4,
1309 FW_CMD_HIGH_PWR_DISABLE = 5,
1310 FW_CMD_RA_RESET = 6,
1311 FW_CMD_RA_ACTIVE = 7,
1312 FW_CMD_RA_REFRESH_N = 8,
1313 FW_CMD_RA_REFRESH_BG = 9,
1314 FW_CMD_RA_INIT = 10,
1315 FW_CMD_IQK_ENABLE = 11,
1316 FW_CMD_TXPWR_TRACK_ENABLE = 12,
1317 FW_CMD_TXPWR_TRACK_DISABLE = 13,
1318 FW_CMD_TXPWR_TRACK_THERMAL = 14,
1319 FW_CMD_PAUSE_DM_BY_SCAN = 15,
1320 FW_CMD_RESUME_DM_BY_SCAN = 16,
1321 FW_CMD_RA_REFRESH_N_COMB = 17,
1322 FW_CMD_RA_REFRESH_BG_COMB = 18,
1323 FW_CMD_ANTENNA_SW_ENABLE = 19,
1324 FW_CMD_ANTENNA_SW_DISABLE = 20,
1325 FW_CMD_TX_FEEDBACK_CCX_ENABLE = 21,
1326 FW_CMD_LPS_ENTER = 22,
1327 FW_CMD_LPS_LEAVE = 23,
1328 };
1329
1330 #define RT_MAX_LD_SLOT_NUM 10
1331 struct rt_link_detect {
1332
1333 u32 NumRecvBcnInPeriod;
1334 u32 NumRecvDataInPeriod;
1335
1336 u32 RxBcnNum[RT_MAX_LD_SLOT_NUM];
1337 u32 RxDataNum[RT_MAX_LD_SLOT_NUM];
1338 u16 SlotNum;
1339 u16 SlotIndex;
1340
1341 u32 NumTxOkInPeriod;
1342 u32 NumRxOkInPeriod;
1343 u32 NumRxUnicastOkInPeriod;
1344 bool bBusyTraffic;
1345 bool bHigherBusyTraffic;
1346 bool bHigherBusyRxTraffic;
1347 };
1348
1349 struct sw_cam_table {
1350
1351 u8 macaddr[ETH_ALEN];
1352 bool bused;
1353 u8 key_buf[16];
1354 u16 key_type;
1355 u8 useDK;
1356 u8 key_index;
1357
1358 };
1359 #define TOTAL_CAM_ENTRY 32
1360 struct rate_adaptive {
1361 u8 rate_adaptive_disabled;
1362 u8 ratr_state;
1363 u16 reserve;
1364
1365 u32 high_rssi_thresh_for_ra;
1366 u32 high2low_rssi_thresh_for_ra;
1367 u8 low2high_rssi_thresh_for_ra40M;
1368 u32 low_rssi_thresh_for_ra40M;
1369 u8 low2high_rssi_thresh_for_ra20M;
1370 u32 low_rssi_thresh_for_ra20M;
1371 u32 upper_rssi_threshold_ratr;
1372 u32 middle_rssi_threshold_ratr;
1373 u32 low_rssi_threshold_ratr;
1374 u32 low_rssi_threshold_ratr_40M;
1375 u32 low_rssi_threshold_ratr_20M;
1376 u8 ping_rssi_enable;
1377 u32 ping_rssi_ratr;
1378 u32 ping_rssi_thresh_for_ra;
1379 u32 last_ratr;
1380 u8 PreRATRState;
1381
1382 };
1383
1384 #define NUM_PMKID_CACHE 16
1385 struct rt_pmkid_list {
1386 u8 Bssid[ETH_ALEN];
1387 u8 PMKID[16];
1388 u8 SsidBuf[33];
1389 u8 bUsed;
1390 };
1391
1392 struct rt_intel_promisc_mode {
1393 bool bPromiscuousOn;
1394 bool bFilterSourceStationFrame;
1395 };
1396
1397
1398 /*************** DRIVER STATUS *****/
1399 #define STATUS_SCANNING 0
1400 /*************** DRIVER STATUS *****/
1401
1402 enum {
1403 LPS_IS_WAKE = 0,
1404 LPS_IS_SLEEP = 1,
1405 LPS_WAIT_NULL_DATA_SEND = 2,
1406 };
1407
1408 struct rtllib_device {
1409 struct pci_dev *pdev;
1410 struct net_device *dev;
1411 struct rtllib_security sec;
1412
1413 bool disable_mgnt_queue;
1414
1415 unsigned long status;
1416 u8 CntAfterLink;
1417
1418 enum rt_op_mode OpMode;
1419
1420 /* The last AssocReq/Resp IEs */
1421 u8 *assocreq_ies, *assocresp_ies;
1422 size_t assocreq_ies_len, assocresp_ies_len;
1423
1424 bool bForcedBgMode;
1425 u8 RF_Type;
1426
1427 u8 hwsec_active;
1428 bool is_silent_reset;
1429 bool is_roaming;
1430 bool ieee_up;
1431 bool cannot_notify;
1432 bool bSupportRemoteWakeUp;
1433 bool actscanning;
1434 bool FirstIe_InScan;
1435 bool be_scan_inprogress;
1436 bool beinretry;
1437 enum rt_rf_power_state eRFPowerState;
1438 RT_RF_CHANGE_SOURCE RfOffReason;
1439 bool is_set_key;
1440 bool wx_set_enc;
1441 struct rt_hi_throughput *pHTInfo;
1442
1443 spinlock_t reorder_spinlock;
1444 u8 Regdot11HTOperationalRateSet[16];
1445 u8 Regdot11TxHTOperationalRateSet[16];
1446 u8 dot11HTOperationalRateSet[16];
1447 u8 RegHTSuppRateSet[16];
1448 u8 HTCurrentOperaRate;
1449 u8 HTHighestOperaRate;
1450 u8 bTxDisableRateFallBack;
1451 u8 bTxUseDriverAssingedRate;
1452 u8 bTxEnableFwCalcDur;
1453 atomic_t atm_swbw;
1454
1455 struct list_head Tx_TS_Admit_List;
1456 struct list_head Tx_TS_Pending_List;
1457 struct list_head Tx_TS_Unused_List;
1458 struct tx_ts_record TxTsRecord[TOTAL_TS_NUM];
1459 struct list_head Rx_TS_Admit_List;
1460 struct list_head Rx_TS_Pending_List;
1461 struct list_head Rx_TS_Unused_List;
1462 struct rx_ts_record RxTsRecord[TOTAL_TS_NUM];
1463 struct rx_reorder_entry RxReorderEntry[128];
1464 struct list_head RxReorder_Unused_List;
1465
1466
1467 /* Bookkeeping structures */
1468 struct net_device_stats stats;
1469 struct rtllib_softmac_stats softmac_stats;
1470
1471 /* Probe / Beacon management */
1472 struct list_head network_free_list;
1473 struct list_head network_list;
1474 struct rtllib_network *networks;
1475 int scans;
1476 int scan_age;
1477
1478 int iw_mode; /* operating mode (IW_MODE_*) */
1479 bool bNetPromiscuousMode;
1480 struct rt_intel_promisc_mode IntelPromiscuousModeInfo;
1481
1482 spinlock_t lock;
1483 spinlock_t wpax_suitlist_lock;
1484
1485 int tx_headroom; /* Set to size of any additional room needed at front
1486 * of allocated Tx SKBs
1487 */
1488 u32 config;
1489
1490 /* WEP and other encryption related settings at the device level */
1491 int open_wep; /* Set to 1 to allow unencrypted frames */
1492 int auth_mode;
1493 int reset_on_keychange; /* Set to 1 if the HW needs to be reset on
1494 * WEP key changes
1495 */
1496
1497 /* If the host performs {en,de}cryption, then set to 1 */
1498 int host_encrypt;
1499 int host_decrypt;
1500
1501 int ieee802_1x; /* is IEEE 802.1X used */
1502
1503 /* WPA data */
1504 bool bHalfWirelessN24GMode;
1505 int wpa_enabled;
1506 int drop_unencrypted;
1507 int tkip_countermeasures;
1508 int privacy_invoked;
1509 size_t wpa_ie_len;
1510 u8 *wpa_ie;
1511 size_t wps_ie_len;
1512 u8 *wps_ie;
1513 u8 ap_mac_addr[ETH_ALEN];
1514 u16 pairwise_key_type;
1515 u16 group_key_type;
1516
1517 struct lib80211_crypt_info crypt_info;
1518
1519 struct sw_cam_table swcamtable[TOTAL_CAM_ENTRY];
1520
1521 struct rt_pmkid_list PMKIDList[NUM_PMKID_CACHE];
1522
1523 /* Fragmentation structures */
1524 struct rtllib_frag_entry frag_cache[17][RTLLIB_FRAG_CACHE_LEN];
1525 unsigned int frag_next_idx[17];
1526 u16 fts; /* Fragmentation Threshold */
1527 #define DEFAULT_RTS_THRESHOLD 2346U
1528 #define MIN_RTS_THRESHOLD 1
1529 #define MAX_RTS_THRESHOLD 2346U
1530 u16 rts; /* RTS threshold */
1531
1532 /* Association info */
1533 u8 bssid[ETH_ALEN];
1534
1535 /* This stores infos for the current network.
1536 * Either the network we are associated in INFRASTRUCTURE
1537 * or the network that we are creating in MASTER mode.
1538 * ad-hoc is a mixture ;-).
1539 * Note that in infrastructure mode, even when not associated,
1540 * fields bssid and essid may be valid (if wpa_set and essid_set
1541 * are true) as thy carry the value set by the user via iwconfig
1542 */
1543 struct rtllib_network current_network;
1544
1545 enum rtllib_state state;
1546
1547 int short_slot;
1548 int mode; /* A, B, G */
1549 int modulation; /* CCK, OFDM */
1550
1551 /* used for forcing the ibss workqueue to terminate
1552 * without wait for the syncro scan to terminate
1553 */
1554 short sync_scan_hurryup;
1555 u16 scan_watch_dog;
1556
1557 /* map of allowed channels. 0 is dummy */
1558 void *dot11d_info;
1559 bool global_domain;
1560 u8 active_channel_map[MAX_CHANNEL_NUMBER+1];
1561
1562 u8 bss_start_channel;
1563 u8 ibss_maxjoin_chal;
1564
1565 int rate; /* current rate */
1566 int basic_rate;
1567
1568 short active_scan;
1569
1570 /* this contains flags for selectively enable softmac support */
1571 u16 softmac_features;
1572
1573 /* if the sequence control field is not filled by HW */
1574 u16 seq_ctrl[5];
1575
1576 /* association procedure transaction sequence number */
1577 u16 associate_seq;
1578
1579 /* AID for RTXed association responses */
1580 u16 assoc_id;
1581
1582 /* power save mode related*/
1583 u8 ack_tx_to_ieee;
1584 short ps;
1585 short sta_sleep;
1586 int ps_timeout;
1587 int ps_period;
1588 struct tasklet_struct ps_task;
1589 u64 ps_time;
1590 bool polling;
1591
1592 short raw_tx;
1593 /* used if IEEE_SOFTMAC_TX_QUEUE is set */
1594 short queue_stop;
1595 short scanning_continue;
1596 short proto_started;
1597 short proto_stoppping;
1598
1599 struct mutex wx_mutex;
1600 struct mutex scan_mutex;
1601 struct mutex ips_mutex;
1602
1603 spinlock_t mgmt_tx_lock;
1604 spinlock_t beacon_lock;
1605
1606 short beacon_txing;
1607
1608 short wap_set;
1609 short ssid_set;
1610
1611 /* set on initialization */
1612 unsigned int wmm_acm;
1613
1614 /* for discarding duplicated packets in IBSS */
1615 struct list_head ibss_mac_hash[IEEE_IBSS_MAC_HASH_SIZE];
1616
1617 /* for discarding duplicated packets in BSS */
1618 u16 last_rxseq_num[17]; /* rx seq previous per-tid */
1619 u16 last_rxfrag_num[17];/* tx frag previous per-tid */
1620 unsigned long last_packet_time[17];
1621
1622 /* for PS mode */
1623 unsigned long last_rx_ps_time;
1624 bool bAwakePktSent;
1625 u8 LPSDelayCnt;
1626
1627 /* used if IEEE_SOFTMAC_SINGLE_QUEUE is set */
1628 struct sk_buff *mgmt_queue_ring[MGMT_QUEUE_NUM];
1629 int mgmt_queue_head;
1630 int mgmt_queue_tail;
1631 u8 AsocRetryCount;
1632 struct sk_buff_head skb_waitQ[MAX_QUEUE_SIZE];
1633 struct sk_buff_head skb_aggQ[MAX_QUEUE_SIZE];
1634
1635 bool bdynamic_txpower_enable;
1636
1637 bool bCTSToSelfEnable;
1638
1639 u32 fsync_time_interval;
1640 u32 fsync_rate_bitmap;
1641 u8 fsync_rssi_threshold;
1642 bool bfsync_enable;
1643
1644 u8 fsync_multiple_timeinterval;
1645 u32 fsync_firstdiff_ratethreshold;
1646 u32 fsync_seconddiff_ratethreshold;
1647 enum fsync_state fsync_state;
1648 bool bis_any_nonbepkts;
1649 struct bandwidth_autoswitch bandwidth_auto_switch;
1650 bool FwRWRF;
1651
1652 struct rt_link_detect LinkDetectInfo;
1653 bool bIsAggregateFrame;
1654 struct rt_pwr_save_ctrl PowerSaveControl;
1655
1656 /* used if IEEE_SOFTMAC_TX_QUEUE is set */
1657 struct tx_pending tx_pending;
1658
1659 /* used if IEEE_SOFTMAC_ASSOCIATE is set */
1660 struct timer_list associate_timer;
1661
1662 /* used if IEEE_SOFTMAC_BEACONS is set */
1663 struct timer_list beacon_timer;
1664 u8 need_sw_enc;
1665 struct work_struct associate_complete_wq;
1666 struct work_struct ips_leave_wq;
1667 struct delayed_work associate_procedure_wq;
1668 struct delayed_work softmac_scan_wq;
1669 struct delayed_work associate_retry_wq;
1670 struct delayed_work start_ibss_wq;
1671 struct delayed_work hw_wakeup_wq;
1672 struct delayed_work hw_sleep_wq;
1673 struct delayed_work link_change_wq;
1674 struct work_struct wx_sync_scan_wq;
1675
1676 union {
1677 struct rtllib_rxb *RfdArray[REORDER_WIN_SIZE];
1678 struct rtllib_rxb *stats_IndicateArray[REORDER_WIN_SIZE];
1679 struct rtllib_rxb *prxbIndicateArray[REORDER_WIN_SIZE];
1680 struct {
1681 struct sw_chnl_cmd PreCommonCmd[MAX_PRECMD_CNT];
1682 struct sw_chnl_cmd PostCommonCmd[MAX_POSTCMD_CNT];
1683 struct sw_chnl_cmd RfDependCmd[MAX_RFDEPENDCMD_CNT];
1684 };
1685 };
1686
1687 /* Callback functions */
1688 void (*set_security)(struct net_device *dev,
1689 struct rtllib_security *sec);
1690
1691 /* Used to TX data frame by using txb structs.
1692 * this is not used if in the softmac_features
1693 * is set the flag IEEE_SOFTMAC_TX_QUEUE
1694 */
1695 int (*hard_start_xmit)(struct rtllib_txb *txb,
1696 struct net_device *dev);
1697
1698 int (*reset_port)(struct net_device *dev);
1699
1700 /* Softmac-generated frames (management) are TXed via this
1701 * callback if the flag IEEE_SOFTMAC_SINGLE_QUEUE is
1702 * not set. As some cards may have different HW queues that
1703 * one might want to use for data and management frames
1704 * the option to have two callbacks might be useful.
1705 * This function can't sleep.
1706 */
1707 int (*softmac_hard_start_xmit)(struct sk_buff *skb,
1708 struct net_device *dev);
1709
1710 /* used instead of hard_start_xmit (not softmac_hard_start_xmit)
1711 * if the IEEE_SOFTMAC_TX_QUEUE feature is used to TX data
1712 * frames. If the option IEEE_SOFTMAC_SINGLE_QUEUE is also set
1713 * then also management frames are sent via this callback.
1714 * This function can't sleep.
1715 */
1716 void (*softmac_data_hard_start_xmit)(struct sk_buff *skb,
1717 struct net_device *dev, int rate);
1718
1719 /* stops the HW queue for DATA frames. Useful to avoid
1720 * waste time to TX data frame when we are reassociating
1721 * This function can sleep.
1722 */
1723 void (*data_hard_stop)(struct net_device *dev);
1724
1725 /* OK this is complementing to data_poll_hard_stop */
1726 void (*data_hard_resume)(struct net_device *dev);
1727
1728 /* ask to the driver to retune the radio.
1729 * This function can sleep. the driver should ensure
1730 * the radio has been switched before return.
1731 */
1732 void (*set_chan)(struct net_device *dev, short ch);
1733
1734 void (*rtllib_start_hw_scan)(struct net_device *dev);
1735 void (*rtllib_stop_hw_scan)(struct net_device *dev);
1736
1737 /* indicate the driver that the link state is changed
1738 * for example it may indicate the card is associated now.
1739 * Driver might be interested in this to apply RX filter
1740 * rules or simply light the LINK led
1741 */
1742 void (*link_change)(struct net_device *dev);
1743
1744 /* these two function indicates to the HW when to start
1745 * and stop to send beacons. This is used when the
1746 * IEEE_SOFTMAC_BEACONS is not set. For now the
1747 * stop_send_bacons is NOT guaranteed to be called only
1748 * after start_send_beacons.
1749 */
1750 void (*start_send_beacons)(struct net_device *dev);
1751 void (*stop_send_beacons)(struct net_device *dev);
1752
1753 /* power save mode related */
1754 void (*sta_wake_up)(struct net_device *dev);
1755 void (*enter_sleep_state)(struct net_device *dev, u64 time);
1756 short (*ps_is_queue_empty)(struct net_device *dev);
1757 int (*handle_beacon)(struct net_device *dev,
1758 struct rtllib_beacon *beacon,
1759 struct rtllib_network *network);
1760 int (*handle_assoc_response)(struct net_device *dev,
1761 struct rtllib_assoc_response_frame *resp,
1762 struct rtllib_network *network);
1763
1764
1765 /* check whether Tx hw resource available */
1766 short (*check_nic_enough_desc)(struct net_device *dev, int queue_index);
1767 void (*SetBWModeHandler)(struct net_device *dev,
1768 enum ht_channel_width Bandwidth,
1769 enum ht_extchnl_offset Offset);
1770 bool (*GetNmodeSupportBySecCfg)(struct net_device *dev);
1771 void (*SetWirelessMode)(struct net_device *dev, u8 wireless_mode);
1772 bool (*GetHalfNmodeSupportByAPsHandler)(struct net_device *dev);
1773 u8 (*rtllib_ap_sec_type)(struct rtllib_device *ieee);
1774 void (*InitialGainHandler)(struct net_device *dev, u8 Operation);
1775 bool (*SetFwCmdHandler)(struct net_device *dev,
1776 enum fw_cmd_io_type FwCmdIO);
1777 void (*UpdateBeaconInterruptHandler)(struct net_device *dev,
1778 bool start);
1779 void (*ScanOperationBackupHandler)(struct net_device *dev,
1780 u8 Operation);
1781 void (*LedControlHandler)(struct net_device *dev,
1782 enum led_ctl_mode LedAction);
1783 void (*SetHwRegHandler)(struct net_device *dev, u8 variable, u8 *val);
1784
1785 void (*AllowAllDestAddrHandler)(struct net_device *dev,
1786 bool bAllowAllDA, bool WriteIntoReg);
1787
1788 void (*rtllib_ips_leave_wq)(struct net_device *dev);
1789 void (*rtllib_ips_leave)(struct net_device *dev);
1790 void (*LeisurePSLeave)(struct net_device *dev);
1791
1792 /* This must be the last item so that it points to the data
1793 * allocated beyond this structure by alloc_rtllib
1794 */
1795 u8 priv[];
1796 };
1797
1798 #define IEEE_A (1<<0)
1799 #define IEEE_B (1<<1)
1800 #define IEEE_G (1<<2)
1801 #define IEEE_N_24G (1<<4)
1802 #define IEEE_N_5G (1<<5)
1803 #define IEEE_MODE_MASK (IEEE_A|IEEE_B|IEEE_G)
1804
1805 /* Generate a 802.11 header */
1806
1807 /* Uses the channel change callback directly
1808 * instead of [start/stop] scan callbacks
1809 */
1810 #define IEEE_SOFTMAC_SCAN (1<<2)
1811
1812 /* Perform authentication and association handshake */
1813 #define IEEE_SOFTMAC_ASSOCIATE (1<<3)
1814
1815 /* Generate probe requests */
1816 #define IEEE_SOFTMAC_PROBERQ (1<<4)
1817
1818 /* Generate response to probe requests */
1819 #define IEEE_SOFTMAC_PROBERS (1<<5)
1820
1821 /* The ieee802.11 stack will manage the netif queue
1822 * wake/stop for the driver, taking care of 802.11
1823 * fragmentation. See softmac.c for details.
1824 */
1825 #define IEEE_SOFTMAC_TX_QUEUE (1<<7)
1826
1827 /* Uses only the softmac_data_hard_start_xmit
1828 * even for TX management frames.
1829 */
1830 #define IEEE_SOFTMAC_SINGLE_QUEUE (1<<8)
1831
1832 /* Generate beacons. The stack will enqueue beacons
1833 * to the card
1834 */
1835 #define IEEE_SOFTMAC_BEACONS (1<<6)
1836
1837
rtllib_priv(struct net_device * dev)1838 static inline void *rtllib_priv(struct net_device *dev)
1839 {
1840 return ((struct rtllib_device *)netdev_priv(dev))->priv;
1841 }
1842
rtllib_is_empty_essid(const char * essid,int essid_len)1843 static inline int rtllib_is_empty_essid(const char *essid, int essid_len)
1844 {
1845 /* Single white space is for Linksys APs */
1846 if (essid_len == 1 && essid[0] == ' ')
1847 return 1;
1848
1849 /* Otherwise, if the entire essid is 0, we assume it is hidden */
1850 while (essid_len) {
1851 essid_len--;
1852 if (essid[essid_len] != '\0')
1853 return 0;
1854 }
1855
1856 return 1;
1857 }
1858
rtllib_get_hdrlen(u16 fc)1859 static inline int rtllib_get_hdrlen(u16 fc)
1860 {
1861 int hdrlen = RTLLIB_3ADDR_LEN;
1862
1863 switch (WLAN_FC_GET_TYPE(fc)) {
1864 case RTLLIB_FTYPE_DATA:
1865 if ((fc & RTLLIB_FCTL_FROMDS) && (fc & RTLLIB_FCTL_TODS))
1866 hdrlen = RTLLIB_4ADDR_LEN; /* Addr4 */
1867 if (RTLLIB_QOS_HAS_SEQ(fc))
1868 hdrlen += 2; /* QOS ctrl*/
1869 break;
1870 case RTLLIB_FTYPE_CTL:
1871 switch (WLAN_FC_GET_STYPE(fc)) {
1872 case RTLLIB_STYPE_CTS:
1873 case RTLLIB_STYPE_ACK:
1874 hdrlen = RTLLIB_1ADDR_LEN;
1875 break;
1876 default:
1877 hdrlen = RTLLIB_2ADDR_LEN;
1878 break;
1879 }
1880 break;
1881 }
1882
1883 return hdrlen;
1884 }
1885
rtllib_get_payload(struct rtllib_hdr * hdr)1886 static inline u8 *rtllib_get_payload(struct rtllib_hdr *hdr)
1887 {
1888 switch (rtllib_get_hdrlen(le16_to_cpu(hdr->frame_ctl))) {
1889 case RTLLIB_1ADDR_LEN:
1890 return ((struct rtllib_hdr_1addr *)hdr)->payload;
1891 case RTLLIB_2ADDR_LEN:
1892 return ((struct rtllib_hdr_2addr *)hdr)->payload;
1893 case RTLLIB_3ADDR_LEN:
1894 return ((struct rtllib_hdr_3addr *)hdr)->payload;
1895 case RTLLIB_4ADDR_LEN:
1896 return ((struct rtllib_hdr_4addr *)hdr)->payload;
1897 }
1898 return NULL;
1899 }
1900
rtllib_is_ofdm_rate(u8 rate)1901 static inline int rtllib_is_ofdm_rate(u8 rate)
1902 {
1903 switch (rate & ~RTLLIB_BASIC_RATE_MASK) {
1904 case RTLLIB_OFDM_RATE_6MB:
1905 case RTLLIB_OFDM_RATE_9MB:
1906 case RTLLIB_OFDM_RATE_12MB:
1907 case RTLLIB_OFDM_RATE_18MB:
1908 case RTLLIB_OFDM_RATE_24MB:
1909 case RTLLIB_OFDM_RATE_36MB:
1910 case RTLLIB_OFDM_RATE_48MB:
1911 case RTLLIB_OFDM_RATE_54MB:
1912 return 1;
1913 }
1914 return 0;
1915 }
1916
rtllib_is_cck_rate(u8 rate)1917 static inline int rtllib_is_cck_rate(u8 rate)
1918 {
1919 switch (rate & ~RTLLIB_BASIC_RATE_MASK) {
1920 case RTLLIB_CCK_RATE_1MB:
1921 case RTLLIB_CCK_RATE_2MB:
1922 case RTLLIB_CCK_RATE_5MB:
1923 case RTLLIB_CCK_RATE_11MB:
1924 return 1;
1925 }
1926 return 0;
1927 }
1928
1929
1930 /* rtllib.c */
1931 void free_rtllib(struct net_device *dev);
1932 struct net_device *alloc_rtllib(int sizeof_priv);
1933
1934 /* rtllib_tx.c */
1935
1936 int rtllib_encrypt_fragment(
1937 struct rtllib_device *ieee,
1938 struct sk_buff *frag,
1939 int hdr_len);
1940
1941 int rtllib_xmit(struct sk_buff *skb, struct net_device *dev);
1942 void rtllib_txb_free(struct rtllib_txb *txb);
1943
1944 /* rtllib_rx.c */
1945 int rtllib_rx(struct rtllib_device *ieee, struct sk_buff *skb,
1946 struct rtllib_rx_stats *rx_stats);
1947 void rtllib_rx_probe_rq(struct rtllib_device *ieee,
1948 struct sk_buff *skb);
1949 int rtllib_legal_channel(struct rtllib_device *rtllib, u8 channel);
1950
1951 /* rtllib_wx.c */
1952 int rtllib_wx_get_scan(struct rtllib_device *ieee,
1953 struct iw_request_info *info,
1954 union iwreq_data *wrqu, char *key);
1955 int rtllib_wx_set_encode(struct rtllib_device *ieee,
1956 struct iw_request_info *info,
1957 union iwreq_data *wrqu, char *key);
1958 int rtllib_wx_get_encode(struct rtllib_device *ieee,
1959 struct iw_request_info *info,
1960 union iwreq_data *wrqu, char *key);
1961 int rtllib_wx_set_encode_ext(struct rtllib_device *ieee,
1962 struct iw_request_info *info,
1963 union iwreq_data *wrqu, char *extra);
1964 int rtllib_wx_set_auth(struct rtllib_device *ieee,
1965 struct iw_request_info *info,
1966 struct iw_param *data, char *extra);
1967 int rtllib_wx_set_mlme(struct rtllib_device *ieee,
1968 struct iw_request_info *info,
1969 union iwreq_data *wrqu, char *extra);
1970 int rtllib_wx_set_gen_ie(struct rtllib_device *ieee, u8 *ie, size_t len);
1971
1972 /* rtllib_softmac.c */
1973 int rtllib_rx_frame_softmac(struct rtllib_device *ieee, struct sk_buff *skb,
1974 struct rtllib_rx_stats *rx_stats, u16 type,
1975 u16 stype);
1976 void rtllib_softmac_new_net(struct rtllib_device *ieee,
1977 struct rtllib_network *net);
1978
1979 void SendDisassociation(struct rtllib_device *ieee, bool deauth, u16 asRsn);
1980 void rtllib_softmac_xmit(struct rtllib_txb *txb, struct rtllib_device *ieee);
1981
1982 void rtllib_stop_send_beacons(struct rtllib_device *ieee);
1983 void notify_wx_assoc_event(struct rtllib_device *ieee);
1984 void rtllib_start_ibss(struct rtllib_device *ieee);
1985 void rtllib_softmac_init(struct rtllib_device *ieee);
1986 void rtllib_softmac_free(struct rtllib_device *ieee);
1987 void rtllib_disassociate(struct rtllib_device *ieee);
1988 void rtllib_stop_scan(struct rtllib_device *ieee);
1989 bool rtllib_act_scanning(struct rtllib_device *ieee, bool sync_scan);
1990 void rtllib_stop_scan_syncro(struct rtllib_device *ieee);
1991 void rtllib_start_scan_syncro(struct rtllib_device *ieee, u8 is_mesh);
1992 void rtllib_sta_ps_send_null_frame(struct rtllib_device *ieee, short pwr);
1993 void rtllib_sta_ps_send_pspoll_frame(struct rtllib_device *ieee);
1994 void rtllib_start_protocol(struct rtllib_device *ieee);
1995 void rtllib_stop_protocol(struct rtllib_device *ieee, u8 shutdown);
1996
1997 void rtllib_EnableNetMonitorMode(struct net_device *dev, bool bInitState);
1998 void rtllib_DisableNetMonitorMode(struct net_device *dev, bool bInitState);
1999 void rtllib_EnableIntelPromiscuousMode(struct net_device *dev, bool bInitState);
2000 void rtllib_DisableIntelPromiscuousMode(struct net_device *dev,
2001 bool bInitState);
2002 void rtllib_softmac_stop_protocol(struct rtllib_device *ieee,
2003 u8 mesh_flag, u8 shutdown);
2004 void rtllib_softmac_start_protocol(struct rtllib_device *ieee, u8 mesh_flag);
2005
2006 void rtllib_reset_queue(struct rtllib_device *ieee);
2007 void rtllib_wake_all_queues(struct rtllib_device *ieee);
2008 void rtllib_stop_all_queues(struct rtllib_device *ieee);
2009 struct sk_buff *rtllib_get_beacon(struct rtllib_device *ieee);
2010 void rtllib_start_send_beacons(struct rtllib_device *ieee);
2011 void rtllib_stop_send_beacons(struct rtllib_device *ieee);
2012
2013 void notify_wx_assoc_event(struct rtllib_device *ieee);
2014 void rtllib_ps_tx_ack(struct rtllib_device *ieee, short success);
2015
2016 void softmac_mgmt_xmit(struct sk_buff *skb, struct rtllib_device *ieee);
2017 u8 rtllib_ap_sec_type(struct rtllib_device *ieee);
2018
2019 /* rtllib_softmac_wx.c */
2020
2021 int rtllib_wx_get_wap(struct rtllib_device *ieee, struct iw_request_info *info,
2022 union iwreq_data *wrqu, char *ext);
2023
2024 int rtllib_wx_set_wap(struct rtllib_device *ieee, struct iw_request_info *info,
2025 union iwreq_data *awrq, char *extra);
2026
2027 int rtllib_wx_get_essid(struct rtllib_device *ieee, struct iw_request_info *a,
2028 union iwreq_data *wrqu, char *b);
2029
2030 int rtllib_wx_set_rate(struct rtllib_device *ieee, struct iw_request_info *info,
2031 union iwreq_data *wrqu, char *extra);
2032
2033 int rtllib_wx_get_rate(struct rtllib_device *ieee, struct iw_request_info *info,
2034 union iwreq_data *wrqu, char *extra);
2035
2036 int rtllib_wx_set_mode(struct rtllib_device *ieee, struct iw_request_info *a,
2037 union iwreq_data *wrqu, char *b);
2038
2039 int rtllib_wx_set_scan(struct rtllib_device *ieee, struct iw_request_info *a,
2040 union iwreq_data *wrqu, char *b);
2041
2042 int rtllib_wx_set_essid(struct rtllib_device *ieee, struct iw_request_info *a,
2043 union iwreq_data *wrqu, char *extra);
2044
2045 int rtllib_wx_get_mode(struct rtllib_device *ieee, struct iw_request_info *a,
2046 union iwreq_data *wrqu, char *b);
2047
2048 int rtllib_wx_set_freq(struct rtllib_device *ieee, struct iw_request_info *a,
2049 union iwreq_data *wrqu, char *b);
2050
2051 int rtllib_wx_get_freq(struct rtllib_device *ieee, struct iw_request_info *a,
2052 union iwreq_data *wrqu, char *b);
2053 void rtllib_wx_sync_scan_wq(void *data);
2054
2055 int rtllib_wx_set_rawtx(struct rtllib_device *ieee,
2056 struct iw_request_info *info,
2057 union iwreq_data *wrqu, char *extra);
2058
2059 int rtllib_wx_get_name(struct rtllib_device *ieee, struct iw_request_info *info,
2060 union iwreq_data *wrqu, char *extra);
2061
2062 int rtllib_wx_set_power(struct rtllib_device *ieee,
2063 struct iw_request_info *info,
2064 union iwreq_data *wrqu, char *extra);
2065
2066 int rtllib_wx_get_power(struct rtllib_device *ieee,
2067 struct iw_request_info *info,
2068 union iwreq_data *wrqu, char *extra);
2069
2070 int rtllib_wx_set_rts(struct rtllib_device *ieee, struct iw_request_info *info,
2071 union iwreq_data *wrqu, char *extra);
2072
2073 int rtllib_wx_get_rts(struct rtllib_device *ieee, struct iw_request_info *info,
2074 union iwreq_data *wrqu, char *extra);
2075 #define MAX_RECEIVE_BUFFER_SIZE 9100
2076
2077 void HTSetConnectBwMode(struct rtllib_device *ieee,
2078 enum ht_channel_width Bandwidth,
2079 enum ht_extchnl_offset Offset);
2080 void HTUpdateDefaultSetting(struct rtllib_device *ieee);
2081 void HTConstructCapabilityElement(struct rtllib_device *ieee,
2082 u8 *posHTCap, u8 *len,
2083 u8 isEncrypt, bool bAssoc);
2084 void HTConstructInfoElement(struct rtllib_device *ieee,
2085 u8 *posHTInfo, u8 *len, u8 isEncrypt);
2086 void HTConstructRT2RTAggElement(struct rtllib_device *ieee,
2087 u8 *posRT2RTAgg, u8 *len);
2088 void HTOnAssocRsp(struct rtllib_device *ieee);
2089 void HTInitializeHTInfo(struct rtllib_device *ieee);
2090 void HTInitializeBssDesc(struct bss_ht *pBssHT);
2091 void HTResetSelfAndSavePeerSetting(struct rtllib_device *ieee,
2092 struct rtllib_network *pNetwork);
2093 void HT_update_self_and_peer_setting(struct rtllib_device *ieee,
2094 struct rtllib_network *pNetwork);
2095 u8 HTGetHighestMCSRate(struct rtllib_device *ieee, u8 *pMCSRateSet,
2096 u8 *pMCSFilter);
2097 extern u8 MCS_FILTER_ALL[];
2098 extern u16 MCS_DATA_RATE[2][2][77];
2099 u8 HTCCheck(struct rtllib_device *ieee, u8 *pFrame);
2100 void HTResetIOTSetting(struct rt_hi_throughput *pHTInfo);
2101 bool IsHTHalfNmodeAPs(struct rtllib_device *ieee);
2102 u16 TxCountToDataRate(struct rtllib_device *ieee, u8 nDataRate);
2103 int rtllib_rx_ADDBAReq(struct rtllib_device *ieee, struct sk_buff *skb);
2104 int rtllib_rx_ADDBARsp(struct rtllib_device *ieee, struct sk_buff *skb);
2105 int rtllib_rx_DELBA(struct rtllib_device *ieee, struct sk_buff *skb);
2106 void TsInitAddBA(struct rtllib_device *ieee, struct tx_ts_record *pTS,
2107 u8 Policy, u8 bOverwritePending);
2108 void TsInitDelBA(struct rtllib_device *ieee,
2109 struct ts_common_info *pTsCommonInfo,
2110 enum tr_select TxRxSelect);
2111 void BaSetupTimeOut(struct timer_list *t);
2112 void TxBaInactTimeout(struct timer_list *t);
2113 void RxBaInactTimeout(struct timer_list *t);
2114 void ResetBaEntry(struct ba_record *pBA);
2115 bool GetTs(struct rtllib_device *ieee, struct ts_common_info **ppTS, u8 *Addr,
2116 u8 TID, enum tr_select TxRxSelect, bool bAddNewTs);
2117 void TSInitialize(struct rtllib_device *ieee);
2118 void TsStartAddBaProcess(struct rtllib_device *ieee,
2119 struct tx_ts_record *pTxTS);
2120 void RemovePeerTS(struct rtllib_device *ieee, u8 *Addr);
2121 void RemoveAllTS(struct rtllib_device *ieee);
2122
2123 extern const long rtllib_wlan_frequencies[];
2124
escape_essid(const char * essid,u8 essid_len)2125 static inline const char *escape_essid(const char *essid, u8 essid_len)
2126 {
2127 static char escaped[IW_ESSID_MAX_SIZE * 2 + 1];
2128
2129 if (rtllib_is_empty_essid(essid, essid_len)) {
2130 memcpy(escaped, "<hidden>", sizeof("<hidden>"));
2131 return escaped;
2132 }
2133
2134 snprintf(escaped, sizeof(escaped), "%*pE", essid_len, essid);
2135 return escaped;
2136 }
2137
2138 /* fun with the built-in rtllib stack... */
2139 bool rtllib_MgntDisconnect(struct rtllib_device *rtllib, u8 asRsn);
2140
2141
2142 /* For the function is more related to hardware setting, it's better to use the
2143 * ieee handler to refer to it.
2144 */
2145 void rtllib_FlushRxTsPendingPkts(struct rtllib_device *ieee,
2146 struct rx_ts_record *pTS);
2147 int rtllib_parse_info_param(struct rtllib_device *ieee,
2148 struct rtllib_info_element *info_element,
2149 u16 length,
2150 struct rtllib_network *network,
2151 struct rtllib_rx_stats *stats);
2152
2153 void rtllib_indicate_packets(struct rtllib_device *ieee,
2154 struct rtllib_rxb **prxbIndicateArray, u8 index);
2155 void HTUseDefaultSetting(struct rtllib_device *ieee);
2156 #define RT_ASOC_RETRY_LIMIT 5
2157 u8 MgntQuery_TxRateExcludeCCKRates(struct rtllib_device *ieee);
2158
2159 #endif /* RTLLIB_H */
2160