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/*
* Copyright (c) 1996, 2003 VIA Networking Technologies, Inc.
* All rights reserved.
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License along
* with this program; if not, write to the Free Software Foundation, Inc.,
* 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
*
*
* File: int.c
*
* Purpose: Handle USB interrupt endpoint
*
* Author: Jerry Chen
*
* Date: Apr. 2, 2004
*
* Functions:
*
* Revision History:
* 04-02-2004 Jerry Chen: Initial release
*
*/
#include "int.h"
#include "mib.h"
#include "tmacro.h"
#include "mac.h"
#include "power.h"
#include "bssdb.h"
#include "usbpipe.h"
/*--------------------- Static Definitions -------------------------*/
//static int msglevel =MSG_LEVEL_DEBUG;
static int msglevel =MSG_LEVEL_INFO;
/*--------------------- Static Classes ----------------------------*/
/*--------------------- Static Variables --------------------------*/
/*--------------------- Static Functions --------------------------*/
/*--------------------- Export Variables --------------------------*/
/*--------------------- Export Functions --------------------------*/
/*+
*
* Function: InterruptPollingThread
*
* Synopsis: Thread running at IRQL PASSIVE_LEVEL.
*
* Arguments: Device Extension
*
* Returns:
*
* Algorithm: Call USBD for input data;
*
* History: dd-mm-yyyy Author Comment
*
*
* Notes:
*
* USB reads are by nature 'Blocking', and when in a read, the device looks like it's
* in a 'stall' condition, so we deliberately time out every second if we've gotten no data
*
-*/
VOID
INTvWorkItem(
PVOID Context
)
{
PSDevice pDevice = (PSDevice) Context;
NTSTATUS ntStatus;
DBG_PRT(MSG_LEVEL_DEBUG, KERN_INFO"---->Interrupt Polling Thread\n");
spin_lock_irq(&pDevice->lock);
if (pDevice->fKillEventPollingThread != TRUE) {
ntStatus = PIPEnsInterruptRead(pDevice);
}
spin_unlock_irq(&pDevice->lock);
}
NTSTATUS
INTnsProcessData(
IN PSDevice pDevice
)
{
NTSTATUS status = STATUS_SUCCESS;
PSINTData pINTData;
PSMgmtObject pMgmt = &(pDevice->sMgmtObj);
struct net_device_stats* pStats = &pDevice->stats;
DBG_PRT(MSG_LEVEL_DEBUG, KERN_INFO"---->s_nsInterruptProcessData\n");
pINTData = (PSINTData) pDevice->intBuf.pDataBuf;
if (pINTData->byTSR0 & TSR_VALID) {
STAvUpdateTDStatCounter (&(pDevice->scStatistic), (BYTE) (pINTData->byPkt0 & 0x0F), (BYTE) (pINTData->byPkt0>>4), pINTData->byTSR0);
BSSvUpdateNodeTxCounter (pDevice, &(pDevice->scStatistic), pINTData->byTSR0, pINTData->byPkt0);
//DBG_PRN_GRP01(("TSR0 %02x\n", pINTData->byTSR0));
}
if (pINTData->byTSR1 & TSR_VALID) {
STAvUpdateTDStatCounter (&(pDevice->scStatistic), (BYTE) (pINTData->byPkt1 & 0x0F), (BYTE) (pINTData->byPkt1>>4), pINTData->byTSR1);
BSSvUpdateNodeTxCounter (pDevice, &(pDevice->scStatistic), pINTData->byTSR1, pINTData->byPkt1);
//DBG_PRN_GRP01(("TSR1 %02x\n", pINTData->byTSR1));
}
if (pINTData->byTSR2 & TSR_VALID) {
STAvUpdateTDStatCounter (&(pDevice->scStatistic), (BYTE) (pINTData->byPkt2 & 0x0F), (BYTE) (pINTData->byPkt2>>4), pINTData->byTSR2);
BSSvUpdateNodeTxCounter (pDevice, &(pDevice->scStatistic), pINTData->byTSR2, pINTData->byPkt2);
//DBG_PRN_GRP01(("TSR2 %02x\n", pINTData->byTSR2));
}
if (pINTData->byTSR3 & TSR_VALID) {
STAvUpdateTDStatCounter (&(pDevice->scStatistic), (BYTE) (pINTData->byPkt3 & 0x0F), (BYTE) (pINTData->byPkt3>>4), pINTData->byTSR3);
BSSvUpdateNodeTxCounter (pDevice, &(pDevice->scStatistic), pINTData->byTSR3, pINTData->byPkt3);
//DBG_PRN_GRP01(("TSR3 %02x\n", pINTData->byTSR3));
}
if ( pINTData->byISR0 != 0 ) {
if (pINTData->byISR0 & ISR_BNTX) {
if (pDevice->eOPMode == OP_MODE_AP) {
if(pMgmt->byDTIMCount > 0) {
pMgmt->byDTIMCount --;
pMgmt->sNodeDBTable[0].bRxPSPoll = FALSE;
} else if(pMgmt->byDTIMCount == 0) {
// check if mutltcast tx bufferring
pMgmt->byDTIMCount = pMgmt->byDTIMPeriod - 1;
pMgmt->sNodeDBTable[0].bRxPSPoll = TRUE;
if (pMgmt->sNodeDBTable[0].bPSEnable) {
bScheduleCommand((HANDLE)pDevice, WLAN_CMD_RX_PSPOLL, NULL);
}
}
bScheduleCommand((HANDLE)pDevice, WLAN_CMD_BECON_SEND, NULL);
} // if (pDevice->eOPMode == OP_MODE_AP)
pDevice->bBeaconSent = TRUE;
} else {
pDevice->bBeaconSent = FALSE;
}
if (pINTData->byISR0 & ISR_TBTT) {
if ( pDevice->bEnablePSMode ) {
bScheduleCommand((HANDLE) pDevice, WLAN_CMD_TBTT_WAKEUP, NULL);
}
if ( pDevice->bChannelSwitch ) {
pDevice->byChannelSwitchCount--;
if ( pDevice->byChannelSwitchCount == 0 ) {
bScheduleCommand((HANDLE) pDevice, WLAN_CMD_11H_CHSW, NULL);
}
}
}
LODWORD(pDevice->qwCurrTSF) = pINTData->dwLoTSF;
HIDWORD(pDevice->qwCurrTSF) = pINTData->dwHiTSF;
//DBG_PRN_GRP01(("ISR0 = %02x ,LoTsf = %08x,HiTsf = %08x\n", pINTData->byISR0, pINTData->dwLoTSF,pINTData->dwHiTSF));
STAvUpdate802_11Counter(&pDevice->s802_11Counter, &pDevice->scStatistic, pINTData->byRTSSuccess,
pINTData->byRTSFail, pINTData->byACKFail, pINTData->byFCSErr );
STAvUpdateIsrStatCounter(&pDevice->scStatistic, pINTData->byISR0, pINTData->byISR1);
}
if ( pINTData->byISR1 != 0 ) {
if (pINTData->byISR1 & ISR_GPIO3) {
bScheduleCommand((HANDLE) pDevice, WLAN_CMD_RADIO, NULL);
}
}
pDevice->intBuf.uDataLen = 0;
pDevice->intBuf.bInUse = FALSE;
pStats->tx_packets = pDevice->scStatistic.ullTsrOK;
pStats->tx_bytes = pDevice->scStatistic.ullTxDirectedBytes +
pDevice->scStatistic.ullTxMulticastBytes +
pDevice->scStatistic.ullTxBroadcastBytes;
pStats->tx_errors = pDevice->scStatistic.dwTsrErr;
pStats->tx_dropped = pDevice->scStatistic.dwTsrErr;
return status;
}
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