2 * Copyright (c) 1996, 2003 VIA Networking Technologies, Inc.
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.
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.
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.
22 * Purpose: Handle USB interrupt endpoint
31 * 04-02-2004 Jerry Chen: Initial release
43 /*--------------------- Static Definitions -------------------------*/
44 /* static int msglevel = MSG_LEVEL_DEBUG; */
45 static int msglevel = MSG_LEVEL_INFO;
48 /*--------------------- Static Classes ----------------------------*/
50 /*--------------------- Static Variables --------------------------*/
52 /*--------------------- Static Functions --------------------------*/
54 /*--------------------- Export Variables --------------------------*/
57 /*--------------------- Export Functions --------------------------*/
62 * Function: InterruptPollingThread
64 * Synopsis: Thread running at IRQL PASSIVE_LEVEL.
66 * Arguments: Device Extension
70 * Algorithm: Call USBD for input data;
72 * History: dd-mm-yyyy Author Comment
77 * USB reads are by nature 'Blocking', and when in a read, the device looks
78 * like it's in a 'stall' condition, so we deliberately time out every second
79 * if we've gotten no data
82 void INTvWorkItem(void *Context)
84 PSDevice pDevice = (PSDevice) Context;
87 DBG_PRT(MSG_LEVEL_DEBUG, KERN_INFO"---->Interrupt Polling Thread\n");
89 spin_lock_irq(&pDevice->lock);
90 if (pDevice->fKillEventPollingThread != TRUE)
91 ntStatus = PIPEnsInterruptRead(pDevice);
92 spin_unlock_irq(&pDevice->lock);
95 int INTnsProcessData(PSDevice pDevice)
97 int status = STATUS_SUCCESS;
99 PSMgmtObject pMgmt = &(pDevice->sMgmtObj);
100 struct net_device_stats *pStats = &pDevice->stats;
102 DBG_PRT(MSG_LEVEL_DEBUG, KERN_INFO"---->s_nsInterruptProcessData\n");
104 pINTData = (PSINTData) pDevice->intBuf.pDataBuf;
105 if (pINTData->byTSR0 & TSR_VALID) {
106 STAvUpdateTDStatCounter(&(pDevice->scStatistic),
107 (BYTE) (pINTData->byPkt0 & 0x0F),
108 (BYTE) (pINTData->byPkt0>>4),
110 BSSvUpdateNodeTxCounter(pDevice,
111 &(pDevice->scStatistic),
114 /*DBG_PRN_GRP01(("TSR0 %02x\n", pINTData->byTSR0));*/
116 if (pINTData->byTSR1 & TSR_VALID) {
117 STAvUpdateTDStatCounter(&(pDevice->scStatistic),
118 (BYTE) (pINTData->byPkt1 & 0x0F),
119 (BYTE) (pINTData->byPkt1>>4),
121 BSSvUpdateNodeTxCounter(pDevice,
122 &(pDevice->scStatistic),
125 /*DBG_PRN_GRP01(("TSR1 %02x\n", pINTData->byTSR1));*/
127 if (pINTData->byTSR2 & TSR_VALID) {
128 STAvUpdateTDStatCounter(&(pDevice->scStatistic),
129 (BYTE) (pINTData->byPkt2 & 0x0F),
130 (BYTE) (pINTData->byPkt2>>4),
132 BSSvUpdateNodeTxCounter(pDevice,
133 &(pDevice->scStatistic),
136 /*DBG_PRN_GRP01(("TSR2 %02x\n", pINTData->byTSR2));*/
138 if (pINTData->byTSR3 & TSR_VALID) {
139 STAvUpdateTDStatCounter(&(pDevice->scStatistic),
140 (BYTE) (pINTData->byPkt3 & 0x0F),
141 (BYTE) (pINTData->byPkt3>>4),
143 BSSvUpdateNodeTxCounter(pDevice,
144 &(pDevice->scStatistic),
147 /*DBG_PRN_GRP01(("TSR3 %02x\n", pINTData->byTSR3));*/
149 if (pINTData->byISR0 != 0) {
150 if (pINTData->byISR0 & ISR_BNTX) {
151 if (pDevice->eOPMode == OP_MODE_AP) {
152 if (pMgmt->byDTIMCount > 0) {
153 pMgmt->byDTIMCount--;
154 pMgmt->sNodeDBTable[0].bRxPSPoll =
156 } else if (pMgmt->byDTIMCount == 0) {
157 /* check if mutltcast tx bufferring */
159 pMgmt->byDTIMPeriod-1;
160 pMgmt->sNodeDBTable[0].bRxPSPoll = TRUE;
161 if (pMgmt->sNodeDBTable[0].bPSEnable)
162 bScheduleCommand((void *) pDevice,
166 bScheduleCommand((void *) pDevice,
169 } /* if (pDevice->eOPMode == OP_MODE_AP) */
170 pDevice->bBeaconSent = TRUE;
172 pDevice->bBeaconSent = FALSE;
174 if (pINTData->byISR0 & ISR_TBTT) {
175 if (pDevice->bEnablePSMode)
176 bScheduleCommand((void *) pDevice,
177 WLAN_CMD_TBTT_WAKEUP,
179 if (pDevice->bChannelSwitch) {
180 pDevice->byChannelSwitchCount--;
181 if (pDevice->byChannelSwitchCount == 0)
182 bScheduleCommand((void *) pDevice,
187 LODWORD(pDevice->qwCurrTSF) = pINTData->dwLoTSF;
188 HIDWORD(pDevice->qwCurrTSF) = pINTData->dwHiTSF;
189 /*DBG_PRN_GRP01(("ISR0 = %02x ,
194 pINTData->dwHiTSF)); */
196 STAvUpdate802_11Counter(&pDevice->s802_11Counter,
197 &pDevice->scStatistic,
198 pINTData->byRTSSuccess,
202 STAvUpdateIsrStatCounter(&pDevice->scStatistic,
207 if (pINTData->byISR1 != 0)
208 if (pINTData->byISR1 & ISR_GPIO3)
209 bScheduleCommand((void *) pDevice,
212 pDevice->intBuf.uDataLen = 0;
213 pDevice->intBuf.bInUse = FALSE;
215 pStats->tx_packets = pDevice->scStatistic.ullTsrOK;
216 pStats->tx_bytes = pDevice->scStatistic.ullTxDirectedBytes +
217 pDevice->scStatistic.ullTxMulticastBytes +
218 pDevice->scStatistic.ullTxBroadcastBytes;
219 pStats->tx_errors = pDevice->scStatistic.dwTsrErr;
220 pStats->tx_dropped = pDevice->scStatistic.dwTsrErr;