wcmd.c revision a9873673484b5aa4346111d021c83a2f11d62eb5
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 Functions  --------------------------*/
62
63static
64void
65s_vProbeChannel(
66	struct vnt_private *pDevice
67);
68
69static
70PSTxMgmtPacket
71s_MgrMakeProbeRequest(
72	struct vnt_private *pDevice,
73	PSMgmtObject pMgmt,
74	unsigned char *pScanBSSID,
75	PWLAN_IE_SSID pSSID,
76	PWLAN_IE_SUPP_RATES pCurrRates,
77	PWLAN_IE_SUPP_RATES pCurrExtSuppRates
78);
79
80static
81bool
82s_bCommandComplete(
83	struct vnt_private *pDevice
84);
85
86/*---------------------  Export Variables  --------------------------*/
87
88/*---------------------  Export Functions  --------------------------*/
89
90/*
91 * Description:
92 *      Stop AdHoc beacon during scan process
93 *
94 * Parameters:
95 *  In:
96 *      pDevice     - Pointer to the adapter
97 *  Out:
98 *      none
99 *
100 * Return Value: none
101 *
102 */
103static
104void
105vAdHocBeaconStop(struct vnt_private *pDevice)
106{
107	PSMgmtObject    pMgmt = &(pDevice->sMgmtObj);
108	bool bStop;
109
110	/*
111	 * temporarily stop Beacon packet for AdHoc Server
112	 * if all of the following conditions are met:
113	 *  (1) STA is in AdHoc mode
114	 *  (2) VT3253 is programmed as automatic Beacon Transmitting
115	 *  (3) One of the following conditions is met
116	 *      (3.1) AdHoc channel is in B/G band and the
117	 *      current scan channel is in A band
118	 *      or
119	 *      (3.2) AdHoc channel is in A mode
120	 */
121	bStop = false;
122	if ((pMgmt->eCurrMode == WMAC_MODE_IBSS_STA) &&
123	    (pMgmt->eCurrState >= WMAC_STATE_STARTED)) {
124		if ((pMgmt->uIBSSChannel <=  CB_MAX_CHANNEL_24G) &&
125		    (pMgmt->uScanChannel > CB_MAX_CHANNEL_24G)) {
126			bStop = true;
127		}
128		if (pMgmt->uIBSSChannel >  CB_MAX_CHANNEL_24G)
129			bStop = true;
130
131	}
132
133	if (bStop)
134		MACvRegBitsOff(pDevice->PortOffset, MAC_REG_TCR, TCR_AUTOBCNTX);
135} /* vAdHocBeaconStop */
136
137/*
138 * Description:
139 *      Restart AdHoc beacon after scan process complete
140 *
141 * Parameters:
142 *  In:
143 *      pDevice     - Pointer to the adapter
144 *  Out:
145 *      none
146 *
147 * Return Value: none
148 *
149 */
150static
151void
152vAdHocBeaconRestart(struct vnt_private *pDevice)
153{
154	PSMgmtObject    pMgmt = &(pDevice->sMgmtObj);
155
156	/*
157	 * Restart Beacon packet for AdHoc Server
158	 * if all of the following coditions are met:
159	 *  (1) STA is in AdHoc mode
160	 *  (2) VT3253 is programmed as automatic Beacon Transmitting
161	 */
162	if ((pMgmt->eCurrMode == WMAC_MODE_IBSS_STA) &&
163	    (pMgmt->eCurrState >= WMAC_STATE_STARTED)) {
164		MACvRegBitsOn(pDevice->PortOffset, MAC_REG_TCR, TCR_AUTOBCNTX);
165	}
166}
167
168/*+
169 *
170 * Routine Description:
171 *   Prepare and send probe request management frames.
172 *
173 *
174 * Return Value:
175 *    none.
176 *
177 -*/
178
179static
180void
181s_vProbeChannel(
182	struct vnt_private *pDevice
183)
184{
185	//1M,   2M,   5M,   11M,  18M,  24M,  36M,  54M
186	unsigned char abyCurrSuppRatesG[] = {WLAN_EID_SUPP_RATES, 8, 0x02, 0x04, 0x0B, 0x16, 0x24, 0x30, 0x48, 0x6C};
187	unsigned char abyCurrExtSuppRatesG[] = {WLAN_EID_EXTSUPP_RATES, 4, 0x0C, 0x12, 0x18, 0x60};
188	//6M,   9M,   12M,  48M
189	unsigned char abyCurrSuppRatesA[] = {WLAN_EID_SUPP_RATES, 8, 0x0C, 0x12, 0x18, 0x24, 0x30, 0x48, 0x60, 0x6C};
190	unsigned char abyCurrSuppRatesB[] = {WLAN_EID_SUPP_RATES, 4, 0x02, 0x04, 0x0B, 0x16};
191	unsigned char *pbyRate;
192	PSTxMgmtPacket  pTxPacket;
193	PSMgmtObject    pMgmt = pDevice->pMgmt;
194	unsigned int ii;
195
196	if (pDevice->eCurrentPHYType == PHY_TYPE_11A)
197		pbyRate = &abyCurrSuppRatesA[0];
198	else if (pDevice->eCurrentPHYType == PHY_TYPE_11B)
199		pbyRate = &abyCurrSuppRatesB[0];
200	else
201		pbyRate = &abyCurrSuppRatesG[0];
202
203	// build an assocreq frame and send it
204	pTxPacket = s_MgrMakeProbeRequest
205		(
206			pDevice,
207			pMgmt,
208			pMgmt->abyScanBSSID,
209			(PWLAN_IE_SSID)pMgmt->abyScanSSID,
210			(PWLAN_IE_SUPP_RATES)pbyRate,
211			(PWLAN_IE_SUPP_RATES)abyCurrExtSuppRatesG
212			);
213
214	if (pTxPacket != NULL) {
215		for (ii = 0; ii < 2; ii++) {
216			if (csMgmt_xmit(pDevice, pTxPacket) != CMD_STATUS_PENDING)
217				pr_debug("Probe request sending fail..\n");
218			else
219				pr_debug("Probe request is sending..\n");
220		}
221	}
222}
223
224/*+
225 *
226 * Routine Description:
227 *  Constructs an probe request frame
228 *
229 *
230 * Return Value:
231 *    A ptr to Tx frame or NULL on allocation failure
232 *
233 -*/
234
235static PSTxMgmtPacket
236s_MgrMakeProbeRequest(
237	struct vnt_private *pDevice,
238	PSMgmtObject pMgmt,
239	unsigned char *pScanBSSID,
240	PWLAN_IE_SSID pSSID,
241	PWLAN_IE_SUPP_RATES pCurrRates,
242	PWLAN_IE_SUPP_RATES pCurrExtSuppRates
243
244)
245{
246	PSTxMgmtPacket      pTxPacket = NULL;
247	WLAN_FR_PROBEREQ    sFrame;
248
249	pTxPacket = (PSTxMgmtPacket)pMgmt->pbyMgmtPacketPool;
250	memset(pTxPacket, 0, sizeof(STxMgmtPacket) + WLAN_PROBEREQ_FR_MAXLEN);
251	pTxPacket->p80211Header = (PUWLAN_80211HDR)((unsigned char *)pTxPacket + sizeof(STxMgmtPacket));
252	sFrame.pBuf = (unsigned char *)pTxPacket->p80211Header;
253	sFrame.len = WLAN_PROBEREQ_FR_MAXLEN;
254	vMgrEncodeProbeRequest(&sFrame);
255	sFrame.pHdr->sA3.wFrameCtl = cpu_to_le16(
256		(
257			WLAN_SET_FC_FTYPE(WLAN_TYPE_MGR) |
258			WLAN_SET_FC_FSTYPE(WLAN_FSTYPE_PROBEREQ)
259));
260	memcpy(sFrame.pHdr->sA3.abyAddr1, pScanBSSID, WLAN_ADDR_LEN);
261	memcpy(sFrame.pHdr->sA3.abyAddr2, pMgmt->abyMACAddr, WLAN_ADDR_LEN);
262	memcpy(sFrame.pHdr->sA3.abyAddr3, pScanBSSID, WLAN_BSSID_LEN);
263	// Copy the SSID, pSSID->len=0 indicate broadcast SSID
264	sFrame.pSSID = (PWLAN_IE_SSID)(sFrame.pBuf + sFrame.len);
265	sFrame.len += pSSID->len + WLAN_IEHDR_LEN;
266	memcpy(sFrame.pSSID, pSSID, pSSID->len + WLAN_IEHDR_LEN);
267	sFrame.pSuppRates = (PWLAN_IE_SUPP_RATES)(sFrame.pBuf + sFrame.len);
268	sFrame.len += pCurrRates->len + WLAN_IEHDR_LEN;
269	memcpy(sFrame.pSuppRates, pCurrRates, pCurrRates->len + WLAN_IEHDR_LEN);
270	// Copy the extension rate set
271	if (pDevice->eCurrentPHYType == PHY_TYPE_11G) {
272		sFrame.pExtSuppRates = (PWLAN_IE_SUPP_RATES)(sFrame.pBuf + sFrame.len);
273		sFrame.len += pCurrExtSuppRates->len + WLAN_IEHDR_LEN;
274		memcpy(sFrame.pExtSuppRates, pCurrExtSuppRates, pCurrExtSuppRates->len + WLAN_IEHDR_LEN);
275	}
276	pTxPacket->cbMPDULen = sFrame.len;
277	pTxPacket->cbPayloadLen = sFrame.len - WLAN_HDR_ADDR3_LEN;
278
279	return pTxPacket;
280}
281
282void
283vCommandTimerWait(
284	void *hDeviceContext,
285	unsigned int MSecond
286)
287{
288	struct vnt_private *pDevice = hDeviceContext;
289
290	init_timer(&pDevice->sTimerCommand);
291	pDevice->sTimerCommand.data = (unsigned long) pDevice;
292	pDevice->sTimerCommand.function = (TimerFunction)vCommandTimer;
293	// RUN_AT :1 msec ~= (HZ/1024)
294	pDevice->sTimerCommand.expires = (unsigned int)RUN_AT((MSecond * HZ) >> 10);
295	add_timer(&pDevice->sTimerCommand);
296}
297
298void
299vCommandTimer(
300	void *hDeviceContext
301)
302{
303	struct vnt_private *pDevice = hDeviceContext;
304	PSMgmtObject    pMgmt = pDevice->pMgmt;
305	PWLAN_IE_SSID   pItemSSID;
306	PWLAN_IE_SSID   pItemSSIDCurr;
307	CMD_STATUS      Status;
308	unsigned int ii;
309	unsigned char byMask[8] = {1, 2, 4, 8, 0x10, 0x20, 0x40, 0x80};
310	struct sk_buff  *skb;
311
312	if (pDevice->dwDiagRefCount != 0)
313		return;
314	if (!pDevice->bCmdRunning)
315		return;
316
317	spin_lock_irq(&pDevice->lock);
318
319	switch (pDevice->eCommandState) {
320	case WLAN_CMD_SCAN_START:
321
322		pDevice->byReAssocCount = 0;
323		if (pDevice->bRadioOff) {
324			s_bCommandComplete(pDevice);
325			spin_unlock_irq(&pDevice->lock);
326			return;
327		}
328
329		if (pMgmt->eCurrMode == WMAC_MODE_ESS_AP) {
330			s_bCommandComplete(pDevice);
331			CARDbSetBSSID(pMgmt->pAdapter, pMgmt->abyCurrBSSID, NL80211_IFTYPE_AP);
332			spin_unlock_irq(&pDevice->lock);
333			return;
334		}
335
336		pr_debug("eCommandState= WLAN_CMD_SCAN_START\n");
337		pItemSSID = (PWLAN_IE_SSID)pMgmt->abyScanSSID;
338		// wait all Data TD complete
339		if (pDevice->iTDUsed[TYPE_AC0DMA] != 0) {
340			spin_unlock_irq(&pDevice->lock);
341			vCommandTimerWait((void *)pDevice, 10);
342			return;
343		}
344
345		if (pMgmt->uScanChannel == 0) {
346			pMgmt->uScanChannel = pDevice->byMinChannel;
347			// Set Baseband to be more sensitive.
348
349		}
350		if (pMgmt->uScanChannel > pDevice->byMaxChannel) {
351			pMgmt->eScanState = WMAC_NO_SCANNING;
352
353			// Set Baseband's sensitivity back.
354			// Set channel back
355			set_channel(pMgmt->pAdapter, pMgmt->uCurrChannel);
356			pr_debug("Scanning, set back to channel: [%d]\n",
357				 pMgmt->uCurrChannel);
358			if (pMgmt->eCurrMode == WMAC_MODE_IBSS_STA)
359				CARDbSetBSSID(pMgmt->pAdapter, pMgmt->abyCurrBSSID, NL80211_IFTYPE_ADHOC);
360			else
361				CARDbSetBSSID(pMgmt->pAdapter, pMgmt->abyCurrBSSID, NL80211_IFTYPE_STATION);
362
363			vAdHocBeaconRestart(pDevice);
364			s_bCommandComplete(pDevice);
365
366		} else {
367//2008-8-4 <add> by chester
368			if (!is_channel_valid(pMgmt->uScanChannel)) {
369				pr_debug("Invalid channel pMgmt->uScanChannel = %d\n",
370					 pMgmt->uScanChannel);
371				s_bCommandComplete(pDevice);
372				spin_unlock_irq(&pDevice->lock);
373				return;
374			}
375			if (pMgmt->uScanChannel == pDevice->byMinChannel) {
376				pMgmt->abyScanBSSID[0] = 0xFF;
377				pMgmt->abyScanBSSID[1] = 0xFF;
378				pMgmt->abyScanBSSID[2] = 0xFF;
379				pMgmt->abyScanBSSID[3] = 0xFF;
380				pMgmt->abyScanBSSID[4] = 0xFF;
381				pMgmt->abyScanBSSID[5] = 0xFF;
382				pItemSSID->byElementID = WLAN_EID_SSID;
383				pMgmt->eScanState = WMAC_IS_SCANNING;
384
385			}
386
387			vAdHocBeaconStop(pDevice);
388
389			if (set_channel(pMgmt->pAdapter, pMgmt->uScanChannel))
390				pr_debug("SCAN Channel: %d\n",
391					 pMgmt->uScanChannel);
392			else
393				pr_debug("SET SCAN Channel Fail: %d\n",
394					 pMgmt->uScanChannel);
395
396			CARDbSetBSSID(pMgmt->pAdapter, pMgmt->abyCurrBSSID, NL80211_IFTYPE_UNSPECIFIED);
397			pMgmt->uScanChannel++;
398//2008-8-4 <modify> by chester
399			if (!is_channel_valid(pMgmt->uScanChannel) &&
400			    pMgmt->uScanChannel <= pDevice->byMaxChannel) {
401				pMgmt->uScanChannel = pDevice->byMaxChannel + 1;
402				pMgmt->eCommandState = WLAN_CMD_SCAN_END;
403
404			}
405
406			if (!pMgmt->b11hEnable ||
407			    (pMgmt->uScanChannel < CB_MAX_CHANNEL_24G)) {
408				s_vProbeChannel(pDevice);
409				spin_unlock_irq(&pDevice->lock);
410				vCommandTimerWait((void *)pDevice, WCMD_ACTIVE_SCAN_TIME);
411				return;
412			} else {
413				spin_unlock_irq(&pDevice->lock);
414				vCommandTimerWait((void *)pDevice, WCMD_PASSIVE_SCAN_TIME);
415				return;
416			}
417
418		}
419
420		break;
421
422	case WLAN_CMD_SCAN_END:
423
424		// Set Baseband's sensitivity back.
425		// Set channel back
426		set_channel(pMgmt->pAdapter, pMgmt->uCurrChannel);
427		pr_debug("Scanning, set back to channel: [%d]\n",
428			 pMgmt->uCurrChannel);
429		if (pMgmt->eCurrMode == WMAC_MODE_IBSS_STA)
430			CARDbSetBSSID(pMgmt->pAdapter, pMgmt->abyCurrBSSID, NL80211_IFTYPE_ADHOC);
431		else
432			CARDbSetBSSID(pMgmt->pAdapter, pMgmt->abyCurrBSSID, NL80211_IFTYPE_STATION);
433
434		pMgmt->eScanState = WMAC_NO_SCANNING;
435		vAdHocBeaconRestart(pDevice);
436//2008-0409-07, <Add> by Einsn Liu
437#ifdef WPA_SUPPLICANT_DRIVER_WEXT_SUPPORT
438		if (pMgmt->eScanType == WMAC_SCAN_PASSIVE) {
439			//send scan event to wpa_Supplicant
440			union iwreq_data wrqu;
441
442			memset(&wrqu, 0, sizeof(wrqu));
443			wireless_send_event(pDevice->dev, SIOCGIWSCAN, &wrqu, NULL);
444		}
445#endif
446		s_bCommandComplete(pDevice);
447		break;
448
449	case WLAN_CMD_DISASSOCIATE_START:
450		pDevice->byReAssocCount = 0;
451		if ((pMgmt->eCurrMode == WMAC_MODE_ESS_STA) &&
452		    (pMgmt->eCurrState != WMAC_STATE_ASSOC)) {
453			s_bCommandComplete(pDevice);
454			spin_unlock_irq(&pDevice->lock);
455			return;
456		} else {
457			pr_debug("Send Disassociation Packet..\n");
458			// reason = 8 : disassoc because sta has left
459			vMgrDisassocBeginSta((void *)pDevice, pMgmt, pMgmt->abyCurrBSSID, (8), &Status);
460			pDevice->bLinkPass = false;
461			// unlock command busy
462			pItemSSID = (PWLAN_IE_SSID)pMgmt->abyCurrSSID;
463			pItemSSID->len = 0;
464			memset(pItemSSID->abySSID, 0, WLAN_SSID_MAXLEN);
465			pMgmt->eCurrState = WMAC_STATE_IDLE;
466			pMgmt->sNodeDBTable[0].bActive = false;
467		}
468		netif_stop_queue(pDevice->dev);
469		pDevice->eCommandState = WLAN_DISASSOCIATE_WAIT;
470		// wait all Control TD complete
471		if (pDevice->iTDUsed[TYPE_TXDMA0] != 0) {
472			vCommandTimerWait((void *)pDevice, 10);
473			spin_unlock_irq(&pDevice->lock);
474			return;
475		}
476		pr_debug(" CARDbRadioPowerOff\n");
477		//2008-09-02  <mark>	by chester
478		s_bCommandComplete(pDevice);
479		break;
480
481	case WLAN_DISASSOCIATE_WAIT:
482		// wait all Control TD complete
483		if (pDevice->iTDUsed[TYPE_TXDMA0] != 0) {
484			vCommandTimerWait((void *)pDevice, 10);
485			spin_unlock_irq(&pDevice->lock);
486			return;
487		}
488//2008-09-02  <mark> by chester
489		s_bCommandComplete(pDevice);
490		break;
491
492	case WLAN_CMD_SSID_START:
493		pDevice->byReAssocCount = 0;
494		if (pDevice->bRadioOff) {
495			s_bCommandComplete(pDevice);
496			spin_unlock_irq(&pDevice->lock);
497			return;
498		}
499		pr_debug("chester-abyDesireSSID=%s\n", ((PWLAN_IE_SSID)pMgmt->abyDesireSSID)->abySSID);
500		pItemSSID = (PWLAN_IE_SSID)pMgmt->abyDesireSSID;
501		pItemSSIDCurr = (PWLAN_IE_SSID)pMgmt->abyCurrSSID;
502		pr_debug(" cmd: desire ssid = %s\n", pItemSSID->abySSID);
503		pr_debug(" cmd: curr ssid = %s\n", pItemSSIDCurr->abySSID);
504
505		if (pMgmt->eCurrState == WMAC_STATE_ASSOC) {
506			pr_debug(" Cmd pMgmt->eCurrState == WMAC_STATE_ASSOC\n");
507			pr_debug(" pItemSSID->len =%d\n", pItemSSID->len);
508			pr_debug(" pItemSSIDCurr->len = %d\n",
509				 pItemSSIDCurr->len);
510			pr_debug(" desire ssid = %s\n", pItemSSID->abySSID);
511			pr_debug(" curr ssid = %s\n", pItemSSIDCurr->abySSID);
512		}
513
514		if ((pMgmt->eCurrState == WMAC_STATE_ASSOC) ||
515		    ((pMgmt->eCurrMode == WMAC_MODE_IBSS_STA) && (pMgmt->eCurrState == WMAC_STATE_JOINTED))) {
516			if (pItemSSID->len == pItemSSIDCurr->len) {
517				if (memcmp(pItemSSID->abySSID, pItemSSIDCurr->abySSID, pItemSSID->len) == 0) {
518					s_bCommandComplete(pDevice);
519					spin_unlock_irq(&pDevice->lock);
520					return;
521				}
522			}
523
524			netif_stop_queue(pDevice->dev);
525			pDevice->bLinkPass = false;
526		}
527		// set initial state
528		pMgmt->eCurrState = WMAC_STATE_IDLE;
529		pMgmt->eCurrMode = WMAC_MODE_STANDBY;
530		PSvDisablePowerSaving((void *)pDevice);
531		BSSvClearNodeDBTable(pDevice, 0);
532
533		vMgrJoinBSSBegin((void *)pDevice, &Status);
534		// if Infra mode
535		if ((pMgmt->eCurrMode == WMAC_MODE_ESS_STA) && (pMgmt->eCurrState == WMAC_STATE_JOINTED)) {
536			// Call mgr to begin the deauthentication
537			// reason = (3) because sta has left ESS
538			if (pMgmt->eCurrState >= WMAC_STATE_AUTH)
539				vMgrDeAuthenBeginSta((void *)pDevice, pMgmt, pMgmt->abyCurrBSSID, (3), &Status);
540
541			// Call mgr to begin the authentication
542			vMgrAuthenBeginSta((void *)pDevice, pMgmt, &Status);
543			if (Status == CMD_STATUS_SUCCESS) {
544				pDevice->byLinkWaitCount = 0;
545				pDevice->eCommandState = WLAN_AUTHENTICATE_WAIT;
546				vCommandTimerWait((void *)pDevice, AUTHENTICATE_TIMEOUT);
547				spin_unlock_irq(&pDevice->lock);
548				pr_debug(" Set eCommandState = WLAN_AUTHENTICATE_WAIT\n");
549				return;
550			}
551		}
552		// if Adhoc mode
553		else if (pMgmt->eCurrMode == WMAC_MODE_IBSS_STA) {
554			if (pMgmt->eCurrState == WMAC_STATE_JOINTED) {
555				if (netif_queue_stopped(pDevice->dev))
556					netif_wake_queue(pDevice->dev);
557
558				pDevice->bLinkPass = true;
559
560				pMgmt->sNodeDBTable[0].bActive = true;
561				pMgmt->sNodeDBTable[0].uInActiveCount = 0;
562				bClearBSSID_SCAN(pDevice);
563			} else {
564				// start own IBSS
565				vMgrCreateOwnIBSS((void *)pDevice, &Status);
566				if (Status != CMD_STATUS_SUCCESS)
567					pr_debug(" WLAN_CMD_IBSS_CREATE fail !\n");
568
569				BSSvAddMulticastNode(pDevice);
570			}
571		}
572		// if SSID not found
573		else if (pMgmt->eCurrMode == WMAC_MODE_STANDBY) {
574			if (pMgmt->eConfigMode == WMAC_CONFIG_IBSS_STA ||
575			    pMgmt->eConfigMode == WMAC_CONFIG_AUTO) {
576				// start own IBSS
577				vMgrCreateOwnIBSS((void *)pDevice, &Status);
578				if (Status != CMD_STATUS_SUCCESS)
579					pr_debug(" WLAN_CMD_IBSS_CREATE fail !\n");
580
581				BSSvAddMulticastNode(pDevice);
582				if (netif_queue_stopped(pDevice->dev))
583					netif_wake_queue(pDevice->dev);
584
585				pDevice->bLinkPass = true;
586			} else {
587				pr_debug("Disconnect SSID none\n");
588#ifdef WPA_SUPPLICANT_DRIVER_WEXT_SUPPORT
589				{
590					union iwreq_data  wrqu;
591
592					memset(&wrqu, 0, sizeof(wrqu));
593					wrqu.ap_addr.sa_family = ARPHRD_ETHER;
594					pr_debug("wireless_send_event--->SIOCGIWAP(disassociated:vMgrJoinBSSBegin Fail !!)\n");
595					wireless_send_event(pDevice->dev, SIOCGIWAP, &wrqu, NULL);
596				}
597#endif
598
599			}
600		}
601		s_bCommandComplete(pDevice);
602		break;
603
604	case WLAN_AUTHENTICATE_WAIT:
605		pr_debug("eCommandState == WLAN_AUTHENTICATE_WAIT\n");
606		if (pMgmt->eCurrState == WMAC_STATE_AUTH) {
607			// Call mgr to begin the association
608			pDevice->byLinkWaitCount = 0;
609			pr_debug("eCurrState == WMAC_STATE_AUTH\n");
610			vMgrAssocBeginSta((void *)pDevice, pMgmt, &Status);
611			if (Status == CMD_STATUS_SUCCESS) {
612				pDevice->byLinkWaitCount = 0;
613				pr_debug("eCommandState = WLAN_ASSOCIATE_WAIT\n");
614				pDevice->eCommandState = WLAN_ASSOCIATE_WAIT;
615				vCommandTimerWait((void *)pDevice, ASSOCIATE_TIMEOUT);
616				spin_unlock_irq(&pDevice->lock);
617				return;
618			}
619		}
620
621		else if (pMgmt->eCurrState < WMAC_STATE_AUTHPENDING) {
622			pr_debug("WLAN_AUTHENTICATE_WAIT:Authen Fail???\n");
623		} else if (pDevice->byLinkWaitCount <= 4) {    //mike add:wait another 2 sec if authenticated_frame delay!
624			pDevice->byLinkWaitCount++;
625			pr_debug("WLAN_AUTHENTICATE_WAIT:wait %d times!!\n", pDevice->byLinkWaitCount);
626			spin_unlock_irq(&pDevice->lock);
627			vCommandTimerWait((void *)pDevice, AUTHENTICATE_TIMEOUT/2);
628			return;
629		}
630		pDevice->byLinkWaitCount = 0;
631		s_bCommandComplete(pDevice);
632		break;
633
634	case WLAN_ASSOCIATE_WAIT:
635		if (pMgmt->eCurrState == WMAC_STATE_ASSOC) {
636			pr_debug("eCurrState == WMAC_STATE_ASSOC\n");
637			if (pDevice->ePSMode != WMAC_POWER_CAM)
638				PSvEnablePowerSaving((void *)pDevice, pMgmt->wListenInterval);
639
640			if (pMgmt->eAuthenMode >= WMAC_AUTH_WPA)
641				KeybRemoveAllKey(&(pDevice->sKey), pDevice->abyBSSID, pDevice->PortOffset);
642
643			pDevice->bLinkPass = true;
644			pDevice->byLinkWaitCount = 0;
645			pDevice->byReAssocCount = 0;
646			bClearBSSID_SCAN(pDevice);
647			if (pDevice->byFOETuning) {
648				BBvSetFOE(pDevice->PortOffset);
649				PSbSendNullPacket(pDevice);
650			}
651			if (netif_queue_stopped(pDevice->dev))
652				netif_wake_queue(pDevice->dev);
653
654			if (pDevice->IsTxDataTrigger) {    //TxDataTimer is not triggered at the first time
655				del_timer(&pDevice->sTimerTxData);
656				init_timer(&pDevice->sTimerTxData);
657				pDevice->sTimerTxData.data = (unsigned long) pDevice;
658				pDevice->sTimerTxData.function = (TimerFunction)BSSvSecondTxData;
659				pDevice->sTimerTxData.expires = RUN_AT(10*HZ);      //10s callback
660				pDevice->fTxDataInSleep = false;
661				pDevice->nTxDataTimeCout = 0;
662			}
663
664			pDevice->IsTxDataTrigger = true;
665			add_timer(&pDevice->sTimerTxData);
666
667		} else if (pMgmt->eCurrState < WMAC_STATE_ASSOCPENDING) {
668			printk("WLAN_ASSOCIATE_WAIT:Association Fail???\n");
669		} else if (pDevice->byLinkWaitCount <= 4) {    //mike add:wait another 2 sec if associated_frame delay!
670			pDevice->byLinkWaitCount++;
671			pr_debug("WLAN_ASSOCIATE_WAIT:wait %d times!!\n", pDevice->byLinkWaitCount);
672			spin_unlock_irq(&pDevice->lock);
673			vCommandTimerWait((void *)pDevice, ASSOCIATE_TIMEOUT/2);
674			return;
675		}
676		pDevice->byLinkWaitCount = 0;
677
678		s_bCommandComplete(pDevice);
679		break;
680
681	case WLAN_CMD_AP_MODE_START:
682		pr_debug("eCommandState == WLAN_CMD_AP_MODE_START\n");
683
684		if (pMgmt->eConfigMode == WMAC_CONFIG_AP) {
685			del_timer(&pMgmt->sTimerSecondCallback);
686			pMgmt->eCurrState = WMAC_STATE_IDLE;
687			pMgmt->eCurrMode = WMAC_MODE_STANDBY;
688			pDevice->bLinkPass = false;
689			if (pDevice->bEnableHostWEP)
690				BSSvClearNodeDBTable(pDevice, 1);
691			else
692				BSSvClearNodeDBTable(pDevice, 0);
693			pDevice->uAssocCount = 0;
694			pMgmt->eCurrState = WMAC_STATE_IDLE;
695			pDevice->bFixRate = false;
696
697			vMgrCreateOwnIBSS((void *)pDevice, &Status);
698			if (Status != CMD_STATUS_SUCCESS)
699				pr_debug(" vMgrCreateOwnIBSS fail !\n");
700
701			// alway turn off unicast bit
702			MACvRegBitsOff(pDevice->PortOffset, MAC_REG_RCR, RCR_UNICAST);
703			pDevice->byRxMode &= ~RCR_UNICAST;
704			pr_debug("wcmd: rx_mode = %x\n", pDevice->byRxMode);
705			BSSvAddMulticastNode(pDevice);
706			if (netif_queue_stopped(pDevice->dev))
707				netif_wake_queue(pDevice->dev);
708
709			pDevice->bLinkPass = true;
710			add_timer(&pMgmt->sTimerSecondCallback);
711		}
712		s_bCommandComplete(pDevice);
713		break;
714
715	case WLAN_CMD_TX_PSPACKET_START:
716		// DTIM Multicast tx
717		if (pMgmt->sNodeDBTable[0].bRxPSPoll) {
718			while ((skb = skb_dequeue(&pMgmt->sNodeDBTable[0].sTxPSQueue)) != NULL) {
719				if (skb_queue_empty(&pMgmt->sNodeDBTable[0].sTxPSQueue)) {
720					pMgmt->abyPSTxMap[0] &= ~byMask[0];
721					pDevice->bMoreData = false;
722				} else {
723					pDevice->bMoreData = true;
724				}
725				if (!device_dma0_xmit(pDevice, skb, 0))
726					pr_debug("Multicast ps tx fail\n");
727
728				pMgmt->sNodeDBTable[0].wEnQueueCnt--;
729			}
730		}
731
732		// PS nodes tx
733		for (ii = 1; ii < (MAX_NODE_NUM + 1); ii++) {
734			if (pMgmt->sNodeDBTable[ii].bActive &&
735			    pMgmt->sNodeDBTable[ii].bRxPSPoll) {
736				pr_debug("Index=%d Enqueu Cnt= %d\n",
737					 ii,
738					 pMgmt->sNodeDBTable[ii].wEnQueueCnt);
739				while ((skb = skb_dequeue(&pMgmt->sNodeDBTable[ii].sTxPSQueue)) != NULL) {
740					if (skb_queue_empty(&pMgmt->sNodeDBTable[ii].sTxPSQueue)) {
741						// clear tx map
742						pMgmt->abyPSTxMap[pMgmt->sNodeDBTable[ii].wAID >> 3] &=
743							~byMask[pMgmt->sNodeDBTable[ii].wAID & 7];
744						pDevice->bMoreData = false;
745					} else {
746						pDevice->bMoreData = true;
747					}
748					if (!device_dma0_xmit(pDevice, skb, ii))
749						pr_debug("sta ps tx fail\n");
750
751					pMgmt->sNodeDBTable[ii].wEnQueueCnt--;
752					// check if sta ps enabled, and wait next pspoll.
753					// if sta ps disable, then send all pending buffers.
754					if (pMgmt->sNodeDBTable[ii].bPSEnable)
755						break;
756				}
757				if (skb_queue_empty(&pMgmt->sNodeDBTable[ii].sTxPSQueue)) {
758					// clear tx map
759					pMgmt->abyPSTxMap[pMgmt->sNodeDBTable[ii].wAID >> 3] &=
760						~byMask[pMgmt->sNodeDBTable[ii].wAID & 7];
761					pr_debug("Index=%d PS queue clear\n",
762						 ii);
763				}
764				pMgmt->sNodeDBTable[ii].bRxPSPoll = false;
765			}
766		}
767
768		s_bCommandComplete(pDevice);
769		break;
770
771	case WLAN_CMD_RADIO_START:
772		pr_debug("eCommandState == WLAN_CMD_RADIO_START\n");
773		if (pDevice->bRadioCmd)
774			CARDbRadioPowerOn(pDevice);
775		else
776			CARDbRadioPowerOff(pDevice);
777
778		s_bCommandComplete(pDevice);
779		break;
780
781	case WLAN_CMD_CHECK_BBSENSITIVITY_CHANGE:
782		// wait all TD complete
783		if (pDevice->iTDUsed[TYPE_AC0DMA] != 0) {
784			vCommandTimerWait((void *)pDevice, 10);
785			spin_unlock_irq(&pDevice->lock);
786			return;
787		}
788		if (pDevice->iTDUsed[TYPE_TXDMA0] != 0) {
789			vCommandTimerWait((void *)pDevice, 10);
790			spin_unlock_irq(&pDevice->lock);
791			return;
792		}
793		pDevice->byBBVGACurrent = pDevice->byBBVGANew;
794		BBvSetVGAGainOffset(pDevice, pDevice->byBBVGACurrent);
795		pr_debug("SetVGAGainOffset %02X\n", pDevice->byBBVGACurrent);
796		s_bCommandComplete(pDevice);
797		break;
798
799	default:
800		s_bCommandComplete(pDevice);
801		break;
802
803	} //switch
804	spin_unlock_irq(&pDevice->lock);
805}
806
807static
808bool
809s_bCommandComplete(
810	struct vnt_private *pDevice
811)
812{
813	PWLAN_IE_SSID pSSID;
814	bool bRadioCmd = false;
815	bool bForceSCAN = true;
816	PSMgmtObject  pMgmt = pDevice->pMgmt;
817
818	pDevice->eCommandState = WLAN_CMD_IDLE;
819	if (pDevice->cbFreeCmdQueue == CMD_Q_SIZE) {
820		//Command Queue Empty
821		pDevice->bCmdRunning = false;
822		return true;
823	} else {
824		pDevice->eCommand = pDevice->eCmdQueue[pDevice->uCmdDequeueIdx].eCmd;
825		pSSID = (PWLAN_IE_SSID)pDevice->eCmdQueue[pDevice->uCmdDequeueIdx].abyCmdDesireSSID;
826		bRadioCmd = pDevice->eCmdQueue[pDevice->uCmdDequeueIdx].bRadioCmd;
827		bForceSCAN = pDevice->eCmdQueue[pDevice->uCmdDequeueIdx].bForceSCAN;
828		ADD_ONE_WITH_WRAP_AROUND(pDevice->uCmdDequeueIdx, CMD_Q_SIZE);
829		pDevice->cbFreeCmdQueue++;
830		pDevice->bCmdRunning = true;
831		switch (pDevice->eCommand) {
832		case WLAN_CMD_BSSID_SCAN:
833			pr_debug("eCommandState= WLAN_CMD_BSSID_SCAN\n");
834			pDevice->eCommandState = WLAN_CMD_SCAN_START;
835			pMgmt->uScanChannel = 0;
836			if (pSSID->len != 0)
837				memcpy(pMgmt->abyScanSSID, pSSID, WLAN_IEHDR_LEN + WLAN_SSID_MAXLEN + 1);
838			else
839				memset(pMgmt->abyScanSSID, 0, WLAN_IEHDR_LEN + WLAN_SSID_MAXLEN + 1);
840
841			break;
842		case WLAN_CMD_SSID:
843			pDevice->eCommandState = WLAN_CMD_SSID_START;
844			if (pSSID->len > WLAN_SSID_MAXLEN)
845				pSSID->len = WLAN_SSID_MAXLEN;
846			if (pSSID->len != 0)
847				memcpy(pDevice->pMgmt->abyDesireSSID, pSSID, WLAN_IEHDR_LEN + WLAN_SSID_MAXLEN + 1);
848			pr_debug("eCommandState= WLAN_CMD_SSID_START\n");
849			break;
850		case WLAN_CMD_DISASSOCIATE:
851			pDevice->eCommandState = WLAN_CMD_DISASSOCIATE_START;
852			break;
853		case WLAN_CMD_RX_PSPOLL:
854			pDevice->eCommandState = WLAN_CMD_TX_PSPACKET_START;
855			break;
856		case WLAN_CMD_RUN_AP:
857			pDevice->eCommandState = WLAN_CMD_AP_MODE_START;
858			break;
859		case WLAN_CMD_RADIO:
860			pDevice->eCommandState = WLAN_CMD_RADIO_START;
861			pDevice->bRadioCmd = bRadioCmd;
862			break;
863		case WLAN_CMD_CHANGE_BBSENSITIVITY:
864			pDevice->eCommandState = WLAN_CMD_CHECK_BBSENSITIVITY_CHANGE;
865			break;
866
867		default:
868			break;
869
870		}
871
872		vCommandTimerWait((void *)pDevice, 0);
873	}
874
875	return true;
876}
877
878bool bScheduleCommand(
879	void *hDeviceContext,
880	CMD_CODE    eCommand,
881	unsigned char *pbyItem0
882)
883{
884	struct vnt_private *pDevice = hDeviceContext;
885
886	if (pDevice->cbFreeCmdQueue == 0)
887		return false;
888
889	pDevice->eCmdQueue[pDevice->uCmdEnqueueIdx].eCmd = eCommand;
890	pDevice->eCmdQueue[pDevice->uCmdEnqueueIdx].bForceSCAN = true;
891	memset(pDevice->eCmdQueue[pDevice->uCmdEnqueueIdx].abyCmdDesireSSID, 0 , WLAN_IEHDR_LEN + WLAN_SSID_MAXLEN + 1);
892
893	if (pbyItem0 != NULL) {
894		switch (eCommand) {
895		case WLAN_CMD_BSSID_SCAN:
896			memcpy(pDevice->eCmdQueue[pDevice->uCmdEnqueueIdx].abyCmdDesireSSID,
897			       pbyItem0, WLAN_IEHDR_LEN + WLAN_SSID_MAXLEN + 1);
898			pDevice->eCmdQueue[pDevice->uCmdEnqueueIdx].bForceSCAN = false;
899			break;
900
901		case WLAN_CMD_SSID:
902			memcpy(pDevice->eCmdQueue[pDevice->uCmdEnqueueIdx].abyCmdDesireSSID,
903			       pbyItem0, WLAN_IEHDR_LEN + WLAN_SSID_MAXLEN + 1);
904			break;
905
906		case WLAN_CMD_DISASSOCIATE:
907			pDevice->eCmdQueue[pDevice->uCmdEnqueueIdx].bNeedRadioOFF = *((int *)pbyItem0);
908			break;
909
910		case WLAN_CMD_RX_PSPOLL:
911			break;
912
913		case WLAN_CMD_RADIO:
914			pDevice->eCmdQueue[pDevice->uCmdEnqueueIdx].bRadioCmd = *((int *)pbyItem0);
915			break;
916
917		case WLAN_CMD_CHANGE_BBSENSITIVITY:
918			pDevice->eCommandState = WLAN_CMD_CHECK_BBSENSITIVITY_CHANGE;
919			break;
920
921		default:
922			break;
923		}
924	}
925
926	ADD_ONE_WITH_WRAP_AROUND(pDevice->uCmdEnqueueIdx, CMD_Q_SIZE);
927	pDevice->cbFreeCmdQueue--;
928
929	if (!pDevice->bCmdRunning)
930		s_bCommandComplete(pDevice);
931
932	return true;
933}
934
935/*
936 * Description:
937 *      Clear BSSID_SCAN cmd in CMD Queue
938 *
939 * Parameters:
940 *  In:
941 *      hDeviceContext  - Pointer to the adapter
942 *      eCommand        - Command
943 *  Out:
944 *      none
945 *
946 * Return Value: true if success; otherwise false
947 *
948 */
949bool bClearBSSID_SCAN(
950	void *hDeviceContext
951)
952{
953	struct vnt_private *pDevice = hDeviceContext;
954	unsigned int uCmdDequeueIdx = pDevice->uCmdDequeueIdx;
955	unsigned int ii;
956
957	if ((pDevice->cbFreeCmdQueue < CMD_Q_SIZE) && (uCmdDequeueIdx != pDevice->uCmdEnqueueIdx)) {
958		for (ii = 0; ii < (CMD_Q_SIZE - pDevice->cbFreeCmdQueue); ii++) {
959			if (pDevice->eCmdQueue[uCmdDequeueIdx].eCmd == WLAN_CMD_BSSID_SCAN)
960				pDevice->eCmdQueue[uCmdDequeueIdx].eCmd = WLAN_CMD_IDLE;
961			ADD_ONE_WITH_WRAP_AROUND(uCmdDequeueIdx, CMD_Q_SIZE);
962			if (uCmdDequeueIdx == pDevice->uCmdEnqueueIdx)
963				break;
964		}
965	}
966	return true;
967}
968
969//mike add:reset command timer
970void
971vResetCommandTimer(
972	void *hDeviceContext
973)
974{
975	struct vnt_private *pDevice = hDeviceContext;
976
977	//delete timer
978	del_timer(&pDevice->sTimerCommand);
979	//init timer
980	init_timer(&pDevice->sTimerCommand);
981	pDevice->sTimerCommand.data = (unsigned long) pDevice;
982	pDevice->sTimerCommand.function = (TimerFunction)vCommandTimer;
983	pDevice->sTimerCommand.expires = RUN_AT(HZ);
984	pDevice->cbFreeCmdQueue = CMD_Q_SIZE;
985	pDevice->uCmdDequeueIdx = 0;
986	pDevice->uCmdEnqueueIdx = 0;
987	pDevice->eCommandState = WLAN_CMD_IDLE;
988	pDevice->bCmdRunning = false;
989	pDevice->bCmdClear = false;
990}
991
992void
993BSSvSecondTxData(
994	void *hDeviceContext
995)
996{
997	struct vnt_private *pDevice = hDeviceContext;
998	PSMgmtObject  pMgmt = &(pDevice->sMgmtObj);
999
1000	pDevice->nTxDataTimeCout++;
1001
1002	if (pDevice->nTxDataTimeCout < 4)     //don't tx data if timer less than 40s
1003	{
1004		pDevice->sTimerTxData.expires = RUN_AT(10*HZ);      //10s callback
1005		add_timer(&pDevice->sTimerTxData);
1006		return;
1007	}
1008
1009	spin_lock_irq(&pDevice->lock);
1010
1011	/* open && sharekey linking */
1012	if ((pDevice->bLinkPass && (pMgmt->eAuthenMode < WMAC_AUTH_WPA)) ||
1013	    pDevice->fWPA_Authened) {   /* wpa linking */
1014		pDevice->fTxDataInSleep = true;
1015		PSbSendNullPacket(pDevice);	/* send null packet */
1016		pDevice->fTxDataInSleep = false;
1017	}
1018
1019	spin_unlock_irq(&pDevice->lock);
1020
1021	pDevice->sTimerTxData.expires = RUN_AT(10*HZ); /* 10s callback */
1022	add_timer(&pDevice->sTimerTxData);
1023}
1024