diff options
Diffstat (limited to 'drivers/staging/vt6656/int.c')
| -rw-r--r-- | drivers/staging/vt6656/int.c | 202 |
1 files changed, 202 insertions, 0 deletions
diff --git a/drivers/staging/vt6656/int.c b/drivers/staging/vt6656/int.c new file mode 100644 index 00000000..a2b4ba6d --- /dev/null +++ b/drivers/staging/vt6656/int.c @@ -0,0 +1,202 @@ +/* + * 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 int msglevel = MSG_LEVEL_INFO; /* MSG_LEVEL_DEBUG */ + +/*+ + * + * 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(struct vnt_private *pDevice) +{ + int 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); +} + +void INTnsProcessData(struct vnt_private *pDevice) +{ + PSINTData pINTData; + struct vnt_manager *pMgmt = &pDevice->vnt_mgmt; + 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), + (u8)(pINTData->byPkt0 & 0x0F), + (u8)(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), + (u8)(pINTData->byPkt1 & 0x0F), + (u8)(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), + (u8)(pINTData->byPkt2 & 0x0F), + (u8)(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), + (u8)(pINTData->byPkt3 & 0x0F), + (u8)(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 multicast tx buffering */ + pMgmt->byDTIMCount = + pMgmt->byDTIMPeriod-1; + pMgmt->sNodeDBTable[0].bRxPSPoll = true; + if (pMgmt->sNodeDBTable[0].bPSEnable) + bScheduleCommand((void *) pDevice, + WLAN_CMD_RX_PSPOLL, + NULL); + } + bScheduleCommand((void *) 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((void *) pDevice, + WLAN_CMD_TBTT_WAKEUP, + NULL); + if (pDevice->bChannelSwitch) { + pDevice->byChannelSwitchCount--; + if (pDevice->byChannelSwitchCount == 0) + bScheduleCommand((void *) pDevice, + WLAN_CMD_11H_CHSW, + NULL); + } + } + pDevice->qwCurrTSF = cpu_to_le64(pINTData->qwTSF); + /*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((void *) 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; +} |