tjh.dev
Linux kernel mirror (for testing)
git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git
kernel
os
linux
1/*
2 * Copyright (c) 1996, 2003 VIA Networking Technologies, Inc.
3 * All rights reserved.
4 *
5 * This program is free software; you can redistribute it and/or modify
6 * it under the terms of the GNU General Public License as published by
7 * the Free Software Foundation; either version 2 of the License, or
8 * (at your option) any later version.
9 *
10 * This program is distributed in the hope that it will be useful,
11 * but WITHOUT ANY WARRANTY; without even the implied warranty of
12 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
13 * GNU General Public License for more details.
14 *
15 * You should have received a copy of the GNU General Public License along
16 * with this program; if not, write to the Free Software Foundation, Inc.,
17 * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
18 *
19 * File: wcmd.c
20 *
21 * Purpose: Handles the management command interface functions
22 *
23 * Author: Lyndon Chen
24 *
25 * Date: May 8, 2003
26 *
27 * Functions:
28 * s_vProbeChannel - Active scan channel
29 * s_MgrMakeProbeRequest - Make ProbeRequest packet
30 * CommandTimer - Timer function to handle command
31 * s_bCommandComplete - Command Complete function
32 * bScheduleCommand - Push Command and wait Command Scheduler to do
33 * vCommandTimer- Command call back functions
34 * vCommandTimerWait- Call back timer
35 * bClearBSSID_SCAN- Clear BSSID_SCAN cmd in CMD Queue
36 *
37 * Revision History:
38 *
39 */
40
41#include "ttype.h"
42#include "tmacro.h"
43#include "device.h"
44#include "mac.h"
45#include "card.h"
46#include "80211hdr.h"
47#include "wcmd.h"
48#include "wmgr.h"
49#include "power.h"
50#include "wctl.h"
51#include "baseband.h"
52#include "rxtx.h"
53#include "rf.h"
54#include "iowpa.h"
55#include "channel.h"
56
57/*--------------------- Static Definitions -------------------------*/
58
59/*--------------------- Static Classes ----------------------------*/
60
61/*--------------------- Static Variables --------------------------*/
62static int msglevel = MSG_LEVEL_INFO;
63//static int msglevel =MSG_LEVEL_DEBUG;
64/*--------------------- Static Functions --------------------------*/
65
66static
67void
68s_vProbeChannel(
69 PSDevice pDevice
70);
71
72static
73PSTxMgmtPacket
74s_MgrMakeProbeRequest(
75 PSDevice pDevice,
76 PSMgmtObject pMgmt,
77 unsigned char *pScanBSSID,
78 PWLAN_IE_SSID pSSID,
79 PWLAN_IE_SUPP_RATES pCurrRates,
80 PWLAN_IE_SUPP_RATES pCurrExtSuppRates
81);
82
83static
84bool
85s_bCommandComplete(
86 PSDevice pDevice
87);
88
89/*--------------------- Export Variables --------------------------*/
90
91/*--------------------- Export Functions --------------------------*/
92
93/*
94 * Description:
95 * Stop AdHoc beacon during scan process
96 *
97 * Parameters:
98 * In:
99 * pDevice - Pointer to the adapter
100 * Out:
101 * none
102 *
103 * Return Value: none
104 *
105 */
106static
107void
108vAdHocBeaconStop(PSDevice pDevice)
109{
110 PSMgmtObject pMgmt = &(pDevice->sMgmtObj);
111 bool bStop;
112
113 /*
114 * temporarily stop Beacon packet for AdHoc Server
115 * if all of the following conditions are met:
116 * (1) STA is in AdHoc mode
117 * (2) VT3253 is programmed as automatic Beacon Transmitting
118 * (3) One of the following conditions is met
119 * (3.1) AdHoc channel is in B/G band and the
120 * current scan channel is in A band
121 * or
122 * (3.2) AdHoc channel is in A mode
123 */
124 bStop = false;
125 if ((pMgmt->eCurrMode == WMAC_MODE_IBSS_STA) &&
126 (pMgmt->eCurrState >= WMAC_STATE_STARTED)) {
127 if ((pMgmt->uIBSSChannel <= CB_MAX_CHANNEL_24G) &&
128 (pMgmt->uScanChannel > CB_MAX_CHANNEL_24G)) {
129 bStop = true;
130 }
131 if (pMgmt->uIBSSChannel > CB_MAX_CHANNEL_24G) {
132 bStop = true;
133 }
134 }
135
136 if (bStop) {
137 MACvRegBitsOff(pDevice->PortOffset, MAC_REG_TCR, TCR_AUTOBCNTX);
138 }
139} /* vAdHocBeaconStop */
140
141/*
142 * Description:
143 * Restart AdHoc beacon after scan process complete
144 *
145 * Parameters:
146 * In:
147 * pDevice - Pointer to the adapter
148 * Out:
149 * none
150 *
151 * Return Value: none
152 *
153 */
154static
155void
156vAdHocBeaconRestart(PSDevice pDevice)
157{
158 PSMgmtObject pMgmt = &(pDevice->sMgmtObj);
159
160 /*
161 * Restart Beacon packet for AdHoc Server
162 * if all of the following coditions are met:
163 * (1) STA is in AdHoc mode
164 * (2) VT3253 is programmed as automatic Beacon Transmitting
165 */
166 if ((pMgmt->eCurrMode == WMAC_MODE_IBSS_STA) &&
167 (pMgmt->eCurrState >= WMAC_STATE_STARTED)) {
168 MACvRegBitsOn(pDevice->PortOffset, MAC_REG_TCR, TCR_AUTOBCNTX);
169 }
170}
171
172/*+
173 *
174 * Routine Description:
175 * Prepare and send probe request management frames.
176 *
177 *
178 * Return Value:
179 * none.
180 *
181 -*/
182
183static
184void
185s_vProbeChannel(
186 PSDevice pDevice
187)
188{
189 //1M, 2M, 5M, 11M, 18M, 24M, 36M, 54M
190 unsigned char abyCurrSuppRatesG[] = {WLAN_EID_SUPP_RATES, 8, 0x02, 0x04, 0x0B, 0x16, 0x24, 0x30, 0x48, 0x6C};
191 unsigned char abyCurrExtSuppRatesG[] = {WLAN_EID_EXTSUPP_RATES, 4, 0x0C, 0x12, 0x18, 0x60};
192 //6M, 9M, 12M, 48M
193 unsigned char abyCurrSuppRatesA[] = {WLAN_EID_SUPP_RATES, 8, 0x0C, 0x12, 0x18, 0x24, 0x30, 0x48, 0x60, 0x6C};
194 unsigned char abyCurrSuppRatesB[] = {WLAN_EID_SUPP_RATES, 4, 0x02, 0x04, 0x0B, 0x16};
195 unsigned char *pbyRate;
196 PSTxMgmtPacket pTxPacket;
197 PSMgmtObject pMgmt = pDevice->pMgmt;
198 unsigned int ii;
199
200 if (pDevice->eCurrentPHYType == PHY_TYPE_11A) {
201 pbyRate = &abyCurrSuppRatesA[0];
202 } else if (pDevice->eCurrentPHYType == PHY_TYPE_11B) {
203 pbyRate = &abyCurrSuppRatesB[0];
204 } else {
205 pbyRate = &abyCurrSuppRatesG[0];
206 }
207 // build an assocreq frame and send it
208 pTxPacket = s_MgrMakeProbeRequest
209 (
210 pDevice,
211 pMgmt,
212 pMgmt->abyScanBSSID,
213 (PWLAN_IE_SSID)pMgmt->abyScanSSID,
214 (PWLAN_IE_SUPP_RATES)pbyRate,
215 (PWLAN_IE_SUPP_RATES)abyCurrExtSuppRatesG
216 );
217
218 if (pTxPacket != NULL) {
219 for (ii = 0; ii < 2; ii++) {
220 if (csMgmt_xmit(pDevice, pTxPacket) != CMD_STATUS_PENDING) {
221 DBG_PRT(MSG_LEVEL_DEBUG, KERN_INFO "Probe request sending fail.. \n");
222 } else {
223 DBG_PRT(MSG_LEVEL_DEBUG, KERN_INFO "Probe request is sending.. \n");
224 }
225 }
226 }
227}
228
229/*+
230 *
231 * Routine Description:
232 * Constructs an probe request frame
233 *
234 *
235 * Return Value:
236 * A ptr to Tx frame or NULL on allocation failue
237 *
238 -*/
239
240PSTxMgmtPacket
241s_MgrMakeProbeRequest(
242 PSDevice pDevice,
243 PSMgmtObject pMgmt,
244 unsigned char *pScanBSSID,
245 PWLAN_IE_SSID pSSID,
246 PWLAN_IE_SUPP_RATES pCurrRates,
247 PWLAN_IE_SUPP_RATES pCurrExtSuppRates
248
249)
250{
251 PSTxMgmtPacket pTxPacket = NULL;
252 WLAN_FR_PROBEREQ sFrame;
253
254 pTxPacket = (PSTxMgmtPacket)pMgmt->pbyMgmtPacketPool;
255 memset(pTxPacket, 0, sizeof(STxMgmtPacket) + WLAN_PROBEREQ_FR_MAXLEN);
256 pTxPacket->p80211Header = (PUWLAN_80211HDR)((unsigned char *)pTxPacket + sizeof(STxMgmtPacket));
257 sFrame.pBuf = (unsigned char *)pTxPacket->p80211Header;
258 sFrame.len = WLAN_PROBEREQ_FR_MAXLEN;
259 vMgrEncodeProbeRequest(&sFrame);
260 sFrame.pHdr->sA3.wFrameCtl = cpu_to_le16(
261 (
262 WLAN_SET_FC_FTYPE(WLAN_TYPE_MGR) |
263 WLAN_SET_FC_FSTYPE(WLAN_FSTYPE_PROBEREQ)
264));
265 memcpy(sFrame.pHdr->sA3.abyAddr1, pScanBSSID, WLAN_ADDR_LEN);
266 memcpy(sFrame.pHdr->sA3.abyAddr2, pMgmt->abyMACAddr, WLAN_ADDR_LEN);
267 memcpy(sFrame.pHdr->sA3.abyAddr3, pScanBSSID, WLAN_BSSID_LEN);
268 // Copy the SSID, pSSID->len=0 indicate broadcast SSID
269 sFrame.pSSID = (PWLAN_IE_SSID)(sFrame.pBuf + sFrame.len);
270 sFrame.len += pSSID->len + WLAN_IEHDR_LEN;
271 memcpy(sFrame.pSSID, pSSID, pSSID->len + WLAN_IEHDR_LEN);
272 sFrame.pSuppRates = (PWLAN_IE_SUPP_RATES)(sFrame.pBuf + sFrame.len);
273 sFrame.len += pCurrRates->len + WLAN_IEHDR_LEN;
274 memcpy(sFrame.pSuppRates, pCurrRates, pCurrRates->len + WLAN_IEHDR_LEN);
275 // Copy the extension rate set
276 if (pDevice->eCurrentPHYType == PHY_TYPE_11G) {
277 sFrame.pExtSuppRates = (PWLAN_IE_SUPP_RATES)(sFrame.pBuf + sFrame.len);
278 sFrame.len += pCurrExtSuppRates->len + WLAN_IEHDR_LEN;
279 memcpy(sFrame.pExtSuppRates, pCurrExtSuppRates, pCurrExtSuppRates->len + WLAN_IEHDR_LEN);
280 }
281 pTxPacket->cbMPDULen = sFrame.len;
282 pTxPacket->cbPayloadLen = sFrame.len - WLAN_HDR_ADDR3_LEN;
283
284 return pTxPacket;
285}
286
287void
288vCommandTimerWait(
289 void *hDeviceContext,
290 unsigned int MSecond
291)
292{
293 PSDevice pDevice = (PSDevice)hDeviceContext;
294
295 init_timer(&pDevice->sTimerCommand);
296 pDevice->sTimerCommand.data = (unsigned long) pDevice;
297 pDevice->sTimerCommand.function = (TimerFunction)vCommandTimer;
298 // RUN_AT :1 msec ~= (HZ/1024)
299 pDevice->sTimerCommand.expires = (unsigned int)RUN_AT((MSecond * HZ) >> 10);
300 add_timer(&pDevice->sTimerCommand);
301 return;
302}
303
304void
305vCommandTimer(
306 void *hDeviceContext
307)
308{
309 PSDevice pDevice = (PSDevice)hDeviceContext;
310 PSMgmtObject pMgmt = pDevice->pMgmt;
311 PWLAN_IE_SSID pItemSSID;
312 PWLAN_IE_SSID pItemSSIDCurr;
313 CMD_STATUS Status;
314 unsigned int ii;
315 unsigned char byMask[8] = {1, 2, 4, 8, 0x10, 0x20, 0x40, 0x80};
316 struct sk_buff *skb;
317
318 if (pDevice->dwDiagRefCount != 0)
319 return;
320 if (pDevice->bCmdRunning != true)
321 return;
322
323 spin_lock_irq(&pDevice->lock);
324
325 switch (pDevice->eCommandState) {
326 case WLAN_CMD_SCAN_START:
327
328 pDevice->byReAssocCount = 0;
329 if (pDevice->bRadioOff == true) {
330 s_bCommandComplete(pDevice);
331 spin_unlock_irq(&pDevice->lock);
332 return;
333 }
334
335 if (pMgmt->eCurrMode == WMAC_MODE_ESS_AP) {
336 s_bCommandComplete(pDevice);
337 CARDbSetBSSID(pMgmt->pAdapter, pMgmt->abyCurrBSSID, OP_MODE_AP);
338 spin_unlock_irq(&pDevice->lock);
339 return;
340 }
341
342 DBG_PRT(MSG_LEVEL_DEBUG, KERN_INFO "eCommandState= WLAN_CMD_SCAN_START\n");
343 pItemSSID = (PWLAN_IE_SSID)pMgmt->abyScanSSID;
344 // wait all Data TD complete
345 if (pDevice->iTDUsed[TYPE_AC0DMA] != 0) {
346 spin_unlock_irq(&pDevice->lock);
347 vCommandTimerWait((void *)pDevice, 10);
348 return;
349 }
350
351 if (pMgmt->uScanChannel == 0) {
352 pMgmt->uScanChannel = pDevice->byMinChannel;
353 // Set Baseband to be more sensitive.
354
355 }
356 if (pMgmt->uScanChannel > pDevice->byMaxChannel) {
357 pMgmt->eScanState = WMAC_NO_SCANNING;
358
359 // Set Baseband's sensitivity back.
360 // Set channel back
361 set_channel(pMgmt->pAdapter, pMgmt->uCurrChannel);
362 DBG_PRT(MSG_LEVEL_DEBUG, KERN_INFO "Scanning, set back to channel: [%d]\n", pMgmt->uCurrChannel);
363 if (pMgmt->eCurrMode == WMAC_MODE_IBSS_STA) {
364 CARDbSetBSSID(pMgmt->pAdapter, pMgmt->abyCurrBSSID, OP_MODE_ADHOC);
365 } else {
366 CARDbSetBSSID(pMgmt->pAdapter, pMgmt->abyCurrBSSID, OP_MODE_INFRASTRUCTURE);
367 }
368 vAdHocBeaconRestart(pDevice);
369 s_bCommandComplete(pDevice);
370
371 } else {
372//2008-8-4 <add> by chester
373 if (!is_channel_valid(pMgmt->uScanChannel)) {
374 DBG_PRT(MSG_LEVEL_DEBUG, KERN_INFO "Invalid channel pMgmt->uScanChannel = %d \n", pMgmt->uScanChannel);
375 s_bCommandComplete(pDevice);
376 spin_unlock_irq(&pDevice->lock);
377 return;
378 }
379 if (pMgmt->uScanChannel == pDevice->byMinChannel) {
380 //pMgmt->eScanType = WMAC_SCAN_ACTIVE;
381 pMgmt->abyScanBSSID[0] = 0xFF;
382 pMgmt->abyScanBSSID[1] = 0xFF;
383 pMgmt->abyScanBSSID[2] = 0xFF;
384 pMgmt->abyScanBSSID[3] = 0xFF;
385 pMgmt->abyScanBSSID[4] = 0xFF;
386 pMgmt->abyScanBSSID[5] = 0xFF;
387 pItemSSID->byElementID = WLAN_EID_SSID;
388 // clear bssid list
389 // BSSvClearBSSList((void *)pDevice, pDevice->bLinkPass);
390 pMgmt->eScanState = WMAC_IS_SCANNING;
391
392 }
393
394 vAdHocBeaconStop(pDevice);
395
396 if (set_channel(pMgmt->pAdapter, pMgmt->uScanChannel) == true) {
397 DBG_PRT(MSG_LEVEL_DEBUG, KERN_INFO "SCAN Channel: %d\n", pMgmt->uScanChannel);
398 } else {
399 DBG_PRT(MSG_LEVEL_DEBUG, KERN_INFO "SET SCAN Channel Fail: %d\n", pMgmt->uScanChannel);
400 }
401 CARDbSetBSSID(pMgmt->pAdapter, pMgmt->abyCurrBSSID, OP_MODE_UNKNOWN);
402 pMgmt->uScanChannel++;
403//2008-8-4 <modify> by chester
404 if (!is_channel_valid(pMgmt->uScanChannel) &&
405 pMgmt->uScanChannel <= pDevice->byMaxChannel) {
406 pMgmt->uScanChannel = pDevice->byMaxChannel + 1;
407 pMgmt->eCommandState = WLAN_CMD_SCAN_END;
408
409 }
410
411 if ((pMgmt->b11hEnable == false) ||
412 (pMgmt->uScanChannel < CB_MAX_CHANNEL_24G)) {
413 s_vProbeChannel(pDevice);
414 spin_unlock_irq(&pDevice->lock);
415 vCommandTimerWait((void *)pDevice, WCMD_ACTIVE_SCAN_TIME);
416 return;
417 } else {
418 spin_unlock_irq(&pDevice->lock);
419 vCommandTimerWait((void *)pDevice, WCMD_PASSIVE_SCAN_TIME);
420 return;
421 }
422
423 }
424
425 break;
426
427 case WLAN_CMD_SCAN_END:
428
429 // Set Baseband's sensitivity back.
430 // Set channel back
431 set_channel(pMgmt->pAdapter, pMgmt->uCurrChannel);
432 DBG_PRT(MSG_LEVEL_DEBUG, KERN_INFO "Scanning, set back to channel: [%d]\n", pMgmt->uCurrChannel);
433 if (pMgmt->eCurrMode == WMAC_MODE_IBSS_STA) {
434 CARDbSetBSSID(pMgmt->pAdapter, pMgmt->abyCurrBSSID, OP_MODE_ADHOC);
435 } else {
436 CARDbSetBSSID(pMgmt->pAdapter, pMgmt->abyCurrBSSID, OP_MODE_INFRASTRUCTURE);
437 }
438
439 pMgmt->eScanState = WMAC_NO_SCANNING;
440 vAdHocBeaconRestart(pDevice);
441//2008-0409-07, <Add> by Einsn Liu
442#ifdef WPA_SUPPLICANT_DRIVER_WEXT_SUPPORT
443 if (pMgmt->eScanType == WMAC_SCAN_PASSIVE)
444 {//send scan event to wpa_Supplicant
445 union iwreq_data wrqu;
446 memset(&wrqu, 0, sizeof(wrqu));
447 wireless_send_event(pDevice->dev, SIOCGIWSCAN, &wrqu, NULL);
448 }
449#endif
450 s_bCommandComplete(pDevice);
451 break;
452
453 case WLAN_CMD_DISASSOCIATE_START:
454 pDevice->byReAssocCount = 0;
455 if ((pMgmt->eCurrMode == WMAC_MODE_ESS_STA) &&
456 (pMgmt->eCurrState != WMAC_STATE_ASSOC)) {
457 s_bCommandComplete(pDevice);
458 spin_unlock_irq(&pDevice->lock);
459 return;
460 } else {
461 DBG_PRT(MSG_LEVEL_DEBUG, KERN_INFO "Send Disassociation Packet..\n");
462 // reason = 8 : disassoc because sta has left
463 vMgrDisassocBeginSta((void *)pDevice, pMgmt, pMgmt->abyCurrBSSID, (8), &Status);
464 pDevice->bLinkPass = false;
465 // unlock command busy
466 pItemSSID = (PWLAN_IE_SSID)pMgmt->abyCurrSSID;
467 pItemSSID->len = 0;
468 memset(pItemSSID->abySSID, 0, WLAN_SSID_MAXLEN);
469 pMgmt->eCurrState = WMAC_STATE_IDLE;
470 pMgmt->sNodeDBTable[0].bActive = false;
471// pDevice->bBeaconBufReady = false;
472 }
473 netif_stop_queue(pDevice->dev);
474 pDevice->eCommandState = WLAN_DISASSOCIATE_WAIT;
475 // wait all Control TD complete
476 if (pDevice->iTDUsed[TYPE_TXDMA0] != 0) {
477 vCommandTimerWait((void *)pDevice, 10);
478 spin_unlock_irq(&pDevice->lock);
479 return;
480 }
481 DBG_PRT(MSG_LEVEL_DEBUG, KERN_INFO " CARDbRadioPowerOff\n");
482 //2008-09-02 <mark> by chester
483 // CARDbRadioPowerOff(pDevice);
484 s_bCommandComplete(pDevice);
485 break;
486
487 case WLAN_DISASSOCIATE_WAIT:
488 // wait all Control TD complete
489 if (pDevice->iTDUsed[TYPE_TXDMA0] != 0) {
490 vCommandTimerWait((void *)pDevice, 10);
491 spin_unlock_irq(&pDevice->lock);
492 return;
493 }
494//2008-09-02 <mark> by chester
495 // CARDbRadioPowerOff(pDevice);
496 s_bCommandComplete(pDevice);
497 break;
498
499 case WLAN_CMD_SSID_START:
500 pDevice->byReAssocCount = 0;
501 if (pDevice->bRadioOff == true) {
502 s_bCommandComplete(pDevice);
503 spin_unlock_irq(&pDevice->lock);
504 return;
505 }
506 printk("chester-abyDesireSSID=%s\n", ((PWLAN_IE_SSID)pMgmt->abyDesireSSID)->abySSID);
507 //memcpy(pMgmt->abyAdHocSSID,pMgmt->abyDesireSSID,
508 //((PWLAN_IE_SSID)pMgmt->abyDesireSSID)->len + WLAN_IEHDR_LEN);
509 pItemSSID = (PWLAN_IE_SSID)pMgmt->abyDesireSSID;
510 pItemSSIDCurr = (PWLAN_IE_SSID)pMgmt->abyCurrSSID;
511 DBG_PRT(MSG_LEVEL_DEBUG, KERN_INFO " cmd: desire ssid = %s\n", pItemSSID->abySSID);
512 DBG_PRT(MSG_LEVEL_DEBUG, KERN_INFO " cmd: curr ssid = %s\n", pItemSSIDCurr->abySSID);
513
514 if (pMgmt->eCurrState == WMAC_STATE_ASSOC) {
515 DBG_PRT(MSG_LEVEL_DEBUG, KERN_INFO " Cmd pMgmt->eCurrState == WMAC_STATE_ASSOC\n");
516 DBG_PRT(MSG_LEVEL_DEBUG, KERN_INFO " pItemSSID->len =%d\n", pItemSSID->len);
517 DBG_PRT(MSG_LEVEL_DEBUG, KERN_INFO " pItemSSIDCurr->len = %d\n", pItemSSIDCurr->len);
518 DBG_PRT(MSG_LEVEL_DEBUG, KERN_INFO " desire ssid = %s\n", pItemSSID->abySSID);
519 DBG_PRT(MSG_LEVEL_DEBUG, KERN_INFO " curr ssid = %s\n", pItemSSIDCurr->abySSID);
520 }
521
522 if ((pMgmt->eCurrState == WMAC_STATE_ASSOC) ||
523 ((pMgmt->eCurrMode == WMAC_MODE_IBSS_STA) && (pMgmt->eCurrState == WMAC_STATE_JOINTED))) {
524 if (pItemSSID->len == pItemSSIDCurr->len) {
525 if (memcmp(pItemSSID->abySSID, pItemSSIDCurr->abySSID, pItemSSID->len) == 0) {
526 s_bCommandComplete(pDevice);
527 spin_unlock_irq(&pDevice->lock);
528 return;
529 }
530 }
531
532 netif_stop_queue(pDevice->dev);
533 pDevice->bLinkPass = false;
534 }
535 // set initial state
536 pMgmt->eCurrState = WMAC_STATE_IDLE;
537 pMgmt->eCurrMode = WMAC_MODE_STANDBY;
538 PSvDisablePowerSaving((void *)pDevice);
539 BSSvClearNodeDBTable(pDevice, 0);
540
541 vMgrJoinBSSBegin((void *)pDevice, &Status);
542 // if Infra mode
543 if ((pMgmt->eCurrMode == WMAC_MODE_ESS_STA) && (pMgmt->eCurrState == WMAC_STATE_JOINTED)) {
544 // Call mgr to begin the deauthentication
545 // reason = (3) because sta has left ESS
546 if (pMgmt->eCurrState >= WMAC_STATE_AUTH) {
547 vMgrDeAuthenBeginSta((void *)pDevice, pMgmt, pMgmt->abyCurrBSSID, (3), &Status);
548 }
549 // Call mgr to begin the authentication
550 vMgrAuthenBeginSta((void *)pDevice, pMgmt, &Status);
551 if (Status == CMD_STATUS_SUCCESS) {
552 pDevice->byLinkWaitCount = 0;
553 pDevice->eCommandState = WLAN_AUTHENTICATE_WAIT;
554 vCommandTimerWait((void *)pDevice, AUTHENTICATE_TIMEOUT);
555 spin_unlock_irq(&pDevice->lock);
556 DBG_PRT(MSG_LEVEL_DEBUG, KERN_INFO " Set eCommandState = WLAN_AUTHENTICATE_WAIT\n");
557 return;
558 }
559 }
560 // if Adhoc mode
561 else if (pMgmt->eCurrMode == WMAC_MODE_IBSS_STA) {
562 if (pMgmt->eCurrState == WMAC_STATE_JOINTED) {
563 if (netif_queue_stopped(pDevice->dev)) {
564 netif_wake_queue(pDevice->dev);
565 }
566 pDevice->bLinkPass = true;
567
568 pMgmt->sNodeDBTable[0].bActive = true;
569 pMgmt->sNodeDBTable[0].uInActiveCount = 0;
570 bClearBSSID_SCAN(pDevice);
571 } else {
572 // start own IBSS
573 vMgrCreateOwnIBSS((void *)pDevice, &Status);
574 if (Status != CMD_STATUS_SUCCESS) {
575 DBG_PRT(MSG_LEVEL_DEBUG, KERN_INFO " WLAN_CMD_IBSS_CREATE fail ! \n");
576 }
577 BSSvAddMulticastNode(pDevice);
578 }
579 }
580 // if SSID not found
581 else if (pMgmt->eCurrMode == WMAC_MODE_STANDBY) {
582 if (pMgmt->eConfigMode == WMAC_CONFIG_IBSS_STA ||
583 pMgmt->eConfigMode == WMAC_CONFIG_AUTO) {
584 // start own IBSS
585 vMgrCreateOwnIBSS((void *)pDevice, &Status);
586 if (Status != CMD_STATUS_SUCCESS) {
587 DBG_PRT(MSG_LEVEL_DEBUG, KERN_INFO " WLAN_CMD_IBSS_CREATE fail ! \n");
588 }
589 BSSvAddMulticastNode(pDevice);
590 if (netif_queue_stopped(pDevice->dev)) {
591 netif_wake_queue(pDevice->dev);
592 }
593 pDevice->bLinkPass = true;
594 } else {
595 DBG_PRT(MSG_LEVEL_DEBUG, KERN_INFO "Disconnect SSID none\n");
596#ifdef WPA_SUPPLICANT_DRIVER_WEXT_SUPPORT
597 {
598 union iwreq_data wrqu;
599 memset(&wrqu, 0, sizeof(wrqu));
600 wrqu.ap_addr.sa_family = ARPHRD_ETHER;
601 printk("wireless_send_event--->SIOCGIWAP(disassociated:vMgrJoinBSSBegin Fail !!)\n");
602 wireless_send_event(pDevice->dev, SIOCGIWAP, &wrqu, NULL);
603 }
604#endif
605
606 }
607 }
608 s_bCommandComplete(pDevice);
609 break;
610
611 case WLAN_AUTHENTICATE_WAIT:
612 DBG_PRT(MSG_LEVEL_DEBUG, KERN_INFO "eCommandState == WLAN_AUTHENTICATE_WAIT\n");
613 if (pMgmt->eCurrState == WMAC_STATE_AUTH) {
614 // Call mgr to begin the association
615 pDevice->byLinkWaitCount = 0;
616 DBG_PRT(MSG_LEVEL_DEBUG, KERN_INFO "eCurrState == WMAC_STATE_AUTH\n");
617 vMgrAssocBeginSta((void *)pDevice, pMgmt, &Status);
618 if (Status == CMD_STATUS_SUCCESS) {
619 pDevice->byLinkWaitCount = 0;
620 DBG_PRT(MSG_LEVEL_DEBUG, KERN_INFO "eCommandState = WLAN_ASSOCIATE_WAIT\n");
621 pDevice->eCommandState = WLAN_ASSOCIATE_WAIT;
622 vCommandTimerWait((void *)pDevice, ASSOCIATE_TIMEOUT);
623 spin_unlock_irq(&pDevice->lock);
624 return;
625 }
626 }
627
628 else if (pMgmt->eCurrState < WMAC_STATE_AUTHPENDING) {
629 printk("WLAN_AUTHENTICATE_WAIT:Authen Fail???\n");
630 } else if (pDevice->byLinkWaitCount <= 4) { //mike add:wait another 2 sec if authenticated_frame delay!
631 pDevice->byLinkWaitCount++;
632 printk("WLAN_AUTHENTICATE_WAIT:wait %d times!!\n", pDevice->byLinkWaitCount);
633 spin_unlock_irq(&pDevice->lock);
634 vCommandTimerWait((void *)pDevice, AUTHENTICATE_TIMEOUT/2);
635 return;
636 }
637 pDevice->byLinkWaitCount = 0;
638 s_bCommandComplete(pDevice);
639 break;
640
641 case WLAN_ASSOCIATE_WAIT:
642 if (pMgmt->eCurrState == WMAC_STATE_ASSOC) {
643 DBG_PRT(MSG_LEVEL_DEBUG, KERN_INFO "eCurrState == WMAC_STATE_ASSOC\n");
644 if (pDevice->ePSMode != WMAC_POWER_CAM) {
645 PSvEnablePowerSaving((void *)pDevice, pMgmt->wListenInterval);
646 }
647 if (pMgmt->eAuthenMode >= WMAC_AUTH_WPA) {
648 KeybRemoveAllKey(&(pDevice->sKey), pDevice->abyBSSID, pDevice->PortOffset);
649 }
650 pDevice->bLinkPass = true;
651 pDevice->byLinkWaitCount = 0;
652 pDevice->byReAssocCount = 0;
653 bClearBSSID_SCAN(pDevice);
654 if (pDevice->byFOETuning) {
655 BBvSetFOE(pDevice->PortOffset);
656 PSbSendNullPacket(pDevice);
657 }
658 if (netif_queue_stopped(pDevice->dev)) {
659 netif_wake_queue(pDevice->dev);
660 }
661#ifdef TxInSleep
662 if (pDevice->IsTxDataTrigger != false) { //TxDataTimer is not triggered at the first time
663 del_timer(&pDevice->sTimerTxData);
664 init_timer(&pDevice->sTimerTxData);
665 pDevice->sTimerTxData.data = (unsigned long) pDevice;
666 pDevice->sTimerTxData.function = (TimerFunction)BSSvSecondTxData;
667 pDevice->sTimerTxData.expires = RUN_AT(10*HZ); //10s callback
668 pDevice->fTxDataInSleep = false;
669 pDevice->nTxDataTimeCout = 0;
670 } else {
671 }
672 pDevice->IsTxDataTrigger = true;
673 add_timer(&pDevice->sTimerTxData);
674#endif
675 } else if (pMgmt->eCurrState < WMAC_STATE_ASSOCPENDING) {
676 printk("WLAN_ASSOCIATE_WAIT:Association Fail???\n");
677 } else if (pDevice->byLinkWaitCount <= 4) { //mike add:wait another 2 sec if associated_frame delay!
678 pDevice->byLinkWaitCount++;
679 printk("WLAN_ASSOCIATE_WAIT:wait %d times!!\n", pDevice->byLinkWaitCount);
680 spin_unlock_irq(&pDevice->lock);
681 vCommandTimerWait((void *)pDevice, ASSOCIATE_TIMEOUT/2);
682 return;
683 }
684 pDevice->byLinkWaitCount = 0;
685
686 s_bCommandComplete(pDevice);
687 break;
688
689 case WLAN_CMD_AP_MODE_START:
690 DBG_PRT(MSG_LEVEL_DEBUG, KERN_INFO "eCommandState == WLAN_CMD_AP_MODE_START\n");
691
692 if (pMgmt->eConfigMode == WMAC_CONFIG_AP) {
693 del_timer(&pMgmt->sTimerSecondCallback);
694 pMgmt->eCurrState = WMAC_STATE_IDLE;
695 pMgmt->eCurrMode = WMAC_MODE_STANDBY;
696 pDevice->bLinkPass = false;
697 if (pDevice->bEnableHostWEP == true)
698 BSSvClearNodeDBTable(pDevice, 1);
699 else
700 BSSvClearNodeDBTable(pDevice, 0);
701 pDevice->uAssocCount = 0;
702 pMgmt->eCurrState = WMAC_STATE_IDLE;
703 pDevice->bFixRate = false;
704
705 vMgrCreateOwnIBSS((void *)pDevice, &Status);
706 if (Status != CMD_STATUS_SUCCESS) {
707 DBG_PRT(MSG_LEVEL_DEBUG, KERN_INFO " vMgrCreateOwnIBSS fail ! \n");
708 }
709 // alway turn off unicast bit
710 MACvRegBitsOff(pDevice->PortOffset, MAC_REG_RCR, RCR_UNICAST);
711 pDevice->byRxMode &= ~RCR_UNICAST;
712 DBG_PRT(MSG_LEVEL_DEBUG, KERN_INFO "wcmd: rx_mode = %x\n", pDevice->byRxMode);
713 BSSvAddMulticastNode(pDevice);
714 if (netif_queue_stopped(pDevice->dev)) {
715 netif_wake_queue(pDevice->dev);
716 }
717 pDevice->bLinkPass = true;
718 add_timer(&pMgmt->sTimerSecondCallback);
719 }
720 s_bCommandComplete(pDevice);
721 break;
722
723 case WLAN_CMD_TX_PSPACKET_START:
724 // DTIM Multicast tx
725 if (pMgmt->sNodeDBTable[0].bRxPSPoll) {
726 while ((skb = skb_dequeue(&pMgmt->sNodeDBTable[0].sTxPSQueue)) != NULL) {
727 if (skb_queue_empty(&pMgmt->sNodeDBTable[0].sTxPSQueue)) {
728 pMgmt->abyPSTxMap[0] &= ~byMask[0];
729 pDevice->bMoreData = false;
730 } else {
731 pDevice->bMoreData = true;
732 }
733 if (!device_dma0_xmit(pDevice, skb, 0)) {
734 DBG_PRT(MSG_LEVEL_DEBUG, KERN_INFO "Multicast ps tx fail \n");
735 }
736 pMgmt->sNodeDBTable[0].wEnQueueCnt--;
737 }
738 }
739
740 // PS nodes tx
741 for (ii = 1; ii < (MAX_NODE_NUM + 1); ii++) {
742 if (pMgmt->sNodeDBTable[ii].bActive &&
743 pMgmt->sNodeDBTable[ii].bRxPSPoll) {
744 DBG_PRT(MSG_LEVEL_DEBUG, KERN_INFO "Index=%d Enqueu Cnt= %d\n",
745 ii, pMgmt->sNodeDBTable[ii].wEnQueueCnt);
746 while ((skb = skb_dequeue(&pMgmt->sNodeDBTable[ii].sTxPSQueue)) != NULL) {
747 if (skb_queue_empty(&pMgmt->sNodeDBTable[ii].sTxPSQueue)) {
748 // clear tx map
749 pMgmt->abyPSTxMap[pMgmt->sNodeDBTable[ii].wAID >> 3] &=
750 ~byMask[pMgmt->sNodeDBTable[ii].wAID & 7];
751 pDevice->bMoreData = false;
752 } else {
753 pDevice->bMoreData = true;
754 }
755 if (!device_dma0_xmit(pDevice, skb, ii)) {
756 DBG_PRT(MSG_LEVEL_DEBUG, KERN_INFO "sta ps tx fail \n");
757 }
758 pMgmt->sNodeDBTable[ii].wEnQueueCnt--;
759 // check if sta ps enabled, and wait next pspoll.
760 // if sta ps disable, then send all pending buffers.
761 if (pMgmt->sNodeDBTable[ii].bPSEnable)
762 break;
763 }
764 if (skb_queue_empty(&pMgmt->sNodeDBTable[ii].sTxPSQueue)) {
765 // clear tx map
766 pMgmt->abyPSTxMap[pMgmt->sNodeDBTable[ii].wAID >> 3] &=
767 ~byMask[pMgmt->sNodeDBTable[ii].wAID & 7];
768 DBG_PRT(MSG_LEVEL_DEBUG, KERN_INFO "Index=%d PS queue clear \n", ii);
769 }
770 pMgmt->sNodeDBTable[ii].bRxPSPoll = false;
771 }
772 }
773
774 s_bCommandComplete(pDevice);
775 break;
776
777 case WLAN_CMD_RADIO_START:
778 DBG_PRT(MSG_LEVEL_DEBUG, KERN_INFO "eCommandState == WLAN_CMD_RADIO_START\n");
779 if (pDevice->bRadioCmd == true)
780 CARDbRadioPowerOn(pDevice);
781 else
782 CARDbRadioPowerOff(pDevice);
783
784 s_bCommandComplete(pDevice);
785 break;
786
787 case WLAN_CMD_CHECK_BBSENSITIVITY_CHANGE:
788 //DBG_PRT(MSG_LEVEL_DEBUG, KERN_INFO "eCommandState == WLAN_CMD_CHECK_BBSENSITIVITY_START\n");
789 // wait all TD complete
790 if (pDevice->iTDUsed[TYPE_AC0DMA] != 0) {
791 vCommandTimerWait((void *)pDevice, 10);
792 spin_unlock_irq(&pDevice->lock);
793 return;
794 }
795 if (pDevice->iTDUsed[TYPE_TXDMA0] != 0) {
796 vCommandTimerWait((void *)pDevice, 10);
797 spin_unlock_irq(&pDevice->lock);
798 return;
799 }
800 pDevice->byBBVGACurrent = pDevice->byBBVGANew;
801 BBvSetVGAGainOffset(pDevice, pDevice->byBBVGACurrent);
802 DBG_PRT(MSG_LEVEL_DEBUG, KERN_INFO "SetVGAGainOffset %02X\n", pDevice->byBBVGACurrent);
803 s_bCommandComplete(pDevice);
804 break;
805
806 default:
807 s_bCommandComplete(pDevice);
808 break;
809
810 } //switch
811 spin_unlock_irq(&pDevice->lock);
812 return;
813}
814
815static
816bool
817s_bCommandComplete(
818 PSDevice pDevice
819)
820{
821 PWLAN_IE_SSID pSSID;
822 bool bRadioCmd = false;
823 //unsigned short wDeAuthenReason = 0;
824 bool bForceSCAN = true;
825 PSMgmtObject pMgmt = pDevice->pMgmt;
826
827 pDevice->eCommandState = WLAN_CMD_IDLE;
828 if (pDevice->cbFreeCmdQueue == CMD_Q_SIZE) {
829 //Command Queue Empty
830 pDevice->bCmdRunning = false;
831 return true;
832 } else {
833 pDevice->eCommand = pDevice->eCmdQueue[pDevice->uCmdDequeueIdx].eCmd;
834 pSSID = (PWLAN_IE_SSID)pDevice->eCmdQueue[pDevice->uCmdDequeueIdx].abyCmdDesireSSID;
835 bRadioCmd = pDevice->eCmdQueue[pDevice->uCmdDequeueIdx].bRadioCmd;
836 bForceSCAN = pDevice->eCmdQueue[pDevice->uCmdDequeueIdx].bForceSCAN;
837 ADD_ONE_WITH_WRAP_AROUND(pDevice->uCmdDequeueIdx, CMD_Q_SIZE);
838 pDevice->cbFreeCmdQueue++;
839 pDevice->bCmdRunning = true;
840 switch (pDevice->eCommand) {
841 case WLAN_CMD_BSSID_SCAN:
842 DBG_PRT(MSG_LEVEL_DEBUG, KERN_INFO "eCommandState= WLAN_CMD_BSSID_SCAN\n");
843 pDevice->eCommandState = WLAN_CMD_SCAN_START;
844 pMgmt->uScanChannel = 0;
845 if (pSSID->len != 0) {
846 memcpy(pMgmt->abyScanSSID, pSSID, WLAN_IEHDR_LEN + WLAN_SSID_MAXLEN + 1);
847 } else {
848 memset(pMgmt->abyScanSSID, 0, WLAN_IEHDR_LEN + WLAN_SSID_MAXLEN + 1);
849 }
850/*
851 if ((bForceSCAN == false) && (pDevice->bLinkPass == true)) {
852 if ((pSSID->len == ((PWLAN_IE_SSID)pMgmt->abyCurrSSID)->len) &&
853 (!memcmp(pSSID->abySSID, ((PWLAN_IE_SSID)pMgmt->abyCurrSSID)->abySSID, pSSID->len))) {
854 pDevice->eCommandState = WLAN_CMD_IDLE;
855 }
856 }
857*/
858 break;
859 case WLAN_CMD_SSID:
860 pDevice->eCommandState = WLAN_CMD_SSID_START;
861 if (pSSID->len > WLAN_SSID_MAXLEN)
862 pSSID->len = WLAN_SSID_MAXLEN;
863 if (pSSID->len != 0)
864 memcpy(pDevice->pMgmt->abyDesireSSID, pSSID, WLAN_IEHDR_LEN + WLAN_SSID_MAXLEN + 1);
865 DBG_PRT(MSG_LEVEL_DEBUG, KERN_INFO "eCommandState= WLAN_CMD_SSID_START\n");
866 break;
867 case WLAN_CMD_DISASSOCIATE:
868 pDevice->eCommandState = WLAN_CMD_DISASSOCIATE_START;
869 break;
870 case WLAN_CMD_RX_PSPOLL:
871 pDevice->eCommandState = WLAN_CMD_TX_PSPACKET_START;
872 break;
873 case WLAN_CMD_RUN_AP:
874 pDevice->eCommandState = WLAN_CMD_AP_MODE_START;
875 break;
876 case WLAN_CMD_RADIO:
877 pDevice->eCommandState = WLAN_CMD_RADIO_START;
878 pDevice->bRadioCmd = bRadioCmd;
879 break;
880 case WLAN_CMD_CHANGE_BBSENSITIVITY:
881 pDevice->eCommandState = WLAN_CMD_CHECK_BBSENSITIVITY_CHANGE;
882 break;
883
884 default:
885 break;
886
887 }
888
889 vCommandTimerWait((void *)pDevice, 0);
890 }
891
892 return true;
893}
894
895bool bScheduleCommand(
896 void *hDeviceContext,
897 CMD_CODE eCommand,
898 unsigned char *pbyItem0
899)
900{
901 PSDevice pDevice = (PSDevice)hDeviceContext;
902
903 if (pDevice->cbFreeCmdQueue == 0) {
904 return false;
905 }
906 pDevice->eCmdQueue[pDevice->uCmdEnqueueIdx].eCmd = eCommand;
907 pDevice->eCmdQueue[pDevice->uCmdEnqueueIdx].bForceSCAN = true;
908 memset(pDevice->eCmdQueue[pDevice->uCmdEnqueueIdx].abyCmdDesireSSID, 0 , WLAN_IEHDR_LEN + WLAN_SSID_MAXLEN + 1);
909
910 if (pbyItem0 != NULL) {
911 switch (eCommand) {
912 case WLAN_CMD_BSSID_SCAN:
913 memcpy(pDevice->eCmdQueue[pDevice->uCmdEnqueueIdx].abyCmdDesireSSID,
914 pbyItem0, WLAN_IEHDR_LEN + WLAN_SSID_MAXLEN + 1);
915 pDevice->eCmdQueue[pDevice->uCmdEnqueueIdx].bForceSCAN = false;
916 break;
917
918 case WLAN_CMD_SSID:
919 memcpy(pDevice->eCmdQueue[pDevice->uCmdEnqueueIdx].abyCmdDesireSSID,
920 pbyItem0, WLAN_IEHDR_LEN + WLAN_SSID_MAXLEN + 1);
921 break;
922
923 case WLAN_CMD_DISASSOCIATE:
924 pDevice->eCmdQueue[pDevice->uCmdEnqueueIdx].bNeedRadioOFF = *((int *)pbyItem0);
925 break;
926/*
927 case WLAN_CMD_DEAUTH:
928 pDevice->eCmdQueue[pDevice->uCmdEnqueueIdx].wDeAuthenReason = *((unsigned short *)pbyItem0);
929 break;
930*/
931
932 case WLAN_CMD_RX_PSPOLL:
933 break;
934
935 case WLAN_CMD_RADIO:
936 pDevice->eCmdQueue[pDevice->uCmdEnqueueIdx].bRadioCmd = *((int *)pbyItem0);
937 break;
938
939 case WLAN_CMD_CHANGE_BBSENSITIVITY:
940 pDevice->eCommandState = WLAN_CMD_CHECK_BBSENSITIVITY_CHANGE;
941 break;
942
943 default:
944 break;
945 }
946 }
947
948 ADD_ONE_WITH_WRAP_AROUND(pDevice->uCmdEnqueueIdx, CMD_Q_SIZE);
949 pDevice->cbFreeCmdQueue--;
950
951 if (pDevice->bCmdRunning == false) {
952 s_bCommandComplete(pDevice);
953 } else {
954 }
955 return true;
956}
957
958/*
959 * Description:
960 * Clear BSSID_SCAN cmd in CMD Queue
961 *
962 * Parameters:
963 * In:
964 * hDeviceContext - Pointer to the adapter
965 * eCommand - Command
966 * Out:
967 * none
968 *
969 * Return Value: true if success; otherwise false
970 *
971 */
972bool bClearBSSID_SCAN(
973 void *hDeviceContext
974)
975{
976 PSDevice pDevice = (PSDevice)hDeviceContext;
977 unsigned int uCmdDequeueIdx = pDevice->uCmdDequeueIdx;
978 unsigned int ii;
979
980 if ((pDevice->cbFreeCmdQueue < CMD_Q_SIZE) && (uCmdDequeueIdx != pDevice->uCmdEnqueueIdx)) {
981 for (ii = 0; ii < (CMD_Q_SIZE - pDevice->cbFreeCmdQueue); ii++) {
982 if (pDevice->eCmdQueue[uCmdDequeueIdx].eCmd == WLAN_CMD_BSSID_SCAN)
983 pDevice->eCmdQueue[uCmdDequeueIdx].eCmd = WLAN_CMD_IDLE;
984 ADD_ONE_WITH_WRAP_AROUND(uCmdDequeueIdx, CMD_Q_SIZE);
985 if (uCmdDequeueIdx == pDevice->uCmdEnqueueIdx)
986 break;
987 }
988 }
989 return true;
990}
991
992//mike add:reset command timer
993void
994vResetCommandTimer(
995 void *hDeviceContext
996)
997{
998 PSDevice pDevice = (PSDevice)hDeviceContext;
999
1000 //delete timer
1001 del_timer(&pDevice->sTimerCommand);
1002 //init timer
1003 init_timer(&pDevice->sTimerCommand);
1004 pDevice->sTimerCommand.data = (unsigned long) pDevice;
1005 pDevice->sTimerCommand.function = (TimerFunction)vCommandTimer;
1006 pDevice->sTimerCommand.expires = RUN_AT(HZ);
1007 pDevice->cbFreeCmdQueue = CMD_Q_SIZE;
1008 pDevice->uCmdDequeueIdx = 0;
1009 pDevice->uCmdEnqueueIdx = 0;
1010 pDevice->eCommandState = WLAN_CMD_IDLE;
1011 pDevice->bCmdRunning = false;
1012 pDevice->bCmdClear = false;
1013}
1014
1015#ifdef TxInSleep
1016void
1017BSSvSecondTxData(
1018 void *hDeviceContext
1019)
1020{
1021 PSDevice pDevice = (PSDevice)hDeviceContext;
1022 PSMgmtObject pMgmt = &(pDevice->sMgmtObj);
1023 pDevice->nTxDataTimeCout++;
1024
1025 if (pDevice->nTxDataTimeCout < 4) //don't tx data if timer less than 40s
1026 {
1027 pDevice->sTimerTxData.expires = RUN_AT(10*HZ); //10s callback
1028 add_timer(&pDevice->sTimerTxData);
1029 return;
1030 }
1031
1032 spin_lock_irq(&pDevice->lock);
1033#if 1
1034 if (((pDevice->bLinkPass == true) && (pMgmt->eAuthenMode < WMAC_AUTH_WPA)) || //open && sharekey linking
1035 (pDevice->fWPA_Authened == true)) { //wpa linking
1036#else
1037 if (pDevice->bLinkPass == true) {
1038#endif
1039 pDevice->fTxDataInSleep = true;
1040 PSbSendNullPacket(pDevice); //send null packet
1041 pDevice->fTxDataInSleep = false;
1042 }
1043 spin_unlock_irq(&pDevice->lock);
1044
1045 pDevice->sTimerTxData.expires = RUN_AT(10*HZ); //10s callback
1046 add_timer(&pDevice->sTimerTxData);
1047 return;
1048 }
1049#endif