Forest Bond | 92b9679 | 2009-06-13 07:38:31 -0400 | [diff] [blame^] | 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 | * |
| 20 | * File: int.c |
| 21 | * |
| 22 | * Purpose: Handle USB interrupt endpoint |
| 23 | * |
| 24 | * Author: Jerry Chen |
| 25 | * |
| 26 | * Date: Apr. 2, 2004 |
| 27 | * |
| 28 | * Functions: |
| 29 | * |
| 30 | * Revision History: |
| 31 | * 04-02-2004 Jerry Chen: Initial release |
| 32 | * |
| 33 | */ |
| 34 | |
| 35 | |
| 36 | #if !defined(__INT_H__) |
| 37 | #include "int.h" |
| 38 | #endif |
| 39 | #if !defined(__MIB_H__) |
| 40 | #include "mib.h" |
| 41 | #endif |
| 42 | #if !defined(__TBIT_H__) |
| 43 | #include "tbit.h" |
| 44 | #endif |
| 45 | #if !defined(__TMACRO_H__) |
| 46 | #include "tmacro.h" |
| 47 | #endif |
| 48 | #if !defined(__MAC_H__) |
| 49 | #include "mac.h" |
| 50 | #endif |
| 51 | #if !defined(__POWER_H__) |
| 52 | #include "power.h" |
| 53 | #endif |
| 54 | #if !defined(__BSSDB_H__) |
| 55 | #include "bssdb.h" |
| 56 | #endif |
| 57 | #if !defined(__UMEM_H__) |
| 58 | #include "umem.h" |
| 59 | #endif |
| 60 | #if !defined(__USBPIPE_H__) |
| 61 | #include "usbpipe.h" |
| 62 | #endif |
| 63 | |
| 64 | /*--------------------- Static Definitions -------------------------*/ |
| 65 | //static int msglevel =MSG_LEVEL_DEBUG; |
| 66 | static int msglevel =MSG_LEVEL_INFO; |
| 67 | |
| 68 | |
| 69 | /*--------------------- Static Classes ----------------------------*/ |
| 70 | |
| 71 | /*--------------------- Static Variables --------------------------*/ |
| 72 | |
| 73 | /*--------------------- Static Functions --------------------------*/ |
| 74 | |
| 75 | /*--------------------- Export Variables --------------------------*/ |
| 76 | |
| 77 | |
| 78 | /*--------------------- Export Functions --------------------------*/ |
| 79 | |
| 80 | |
| 81 | /*+ |
| 82 | * |
| 83 | * Function: InterruptPollingThread |
| 84 | * |
| 85 | * Synopsis: Thread running at IRQL PASSIVE_LEVEL. |
| 86 | * |
| 87 | * Arguments: Device Extension |
| 88 | * |
| 89 | * Returns: |
| 90 | * |
| 91 | * Algorithm: Call USBD for input data; |
| 92 | * |
| 93 | * History: dd-mm-yyyy Author Comment |
| 94 | * |
| 95 | * |
| 96 | * Notes: |
| 97 | * |
| 98 | * USB reads are by nature 'Blocking', and when in a read, the device looks like it's |
| 99 | * in a 'stall' condition, so we deliberately time out every second if we've gotten no data |
| 100 | * |
| 101 | -*/ |
| 102 | VOID |
| 103 | INTvWorkItem( |
| 104 | PVOID Context |
| 105 | ) |
| 106 | { |
| 107 | PSDevice pDevice = (PSDevice) Context; |
| 108 | NTSTATUS ntStatus; |
| 109 | |
| 110 | DBG_PRT(MSG_LEVEL_DEBUG, KERN_INFO"---->Interrupt Polling Thread\n"); |
| 111 | |
| 112 | spin_lock_irq(&pDevice->lock); |
| 113 | if (pDevice->fKillEventPollingThread != TRUE) { |
| 114 | ntStatus = PIPEnsInterruptRead(pDevice); |
| 115 | } |
| 116 | spin_unlock_irq(&pDevice->lock); |
| 117 | |
| 118 | } |
| 119 | |
| 120 | |
| 121 | NTSTATUS |
| 122 | INTnsProcessData( |
| 123 | IN PSDevice pDevice |
| 124 | ) |
| 125 | { |
| 126 | NTSTATUS status = STATUS_SUCCESS; |
| 127 | PSINTData pINTData; |
| 128 | PSMgmtObject pMgmt = &(pDevice->sMgmtObj); |
| 129 | struct net_device_stats* pStats = &pDevice->stats; |
| 130 | |
| 131 | |
| 132 | DBG_PRT(MSG_LEVEL_DEBUG, KERN_INFO"---->s_nsInterruptProcessData\n"); |
| 133 | |
| 134 | pINTData = (PSINTData) pDevice->intBuf.pDataBuf; |
| 135 | if (BITbIsBitOn(pINTData->byTSR0, TSR_VALID)) { |
| 136 | STAvUpdateTDStatCounter (&(pDevice->scStatistic), (BYTE) (pINTData->byPkt0 & 0x0F), (BYTE) (pINTData->byPkt0>>4), pINTData->byTSR0); |
| 137 | BSSvUpdateNodeTxCounter (pDevice, &(pDevice->scStatistic), pINTData->byTSR0, pINTData->byPkt0); |
| 138 | //DBG_PRN_GRP01(("TSR0 %02x\n", pINTData->byTSR0)); |
| 139 | } |
| 140 | if (BITbIsBitOn(pINTData->byTSR1, TSR_VALID)) { |
| 141 | STAvUpdateTDStatCounter (&(pDevice->scStatistic), (BYTE) (pINTData->byPkt1 & 0x0F), (BYTE) (pINTData->byPkt1>>4), pINTData->byTSR1); |
| 142 | BSSvUpdateNodeTxCounter (pDevice, &(pDevice->scStatistic), pINTData->byTSR1, pINTData->byPkt1); |
| 143 | //DBG_PRN_GRP01(("TSR1 %02x\n", pINTData->byTSR1)); |
| 144 | } |
| 145 | if (BITbIsBitOn(pINTData->byTSR2, TSR_VALID)) { |
| 146 | STAvUpdateTDStatCounter (&(pDevice->scStatistic), (BYTE) (pINTData->byPkt2 & 0x0F), (BYTE) (pINTData->byPkt2>>4), pINTData->byTSR2); |
| 147 | BSSvUpdateNodeTxCounter (pDevice, &(pDevice->scStatistic), pINTData->byTSR2, pINTData->byPkt2); |
| 148 | //DBG_PRN_GRP01(("TSR2 %02x\n", pINTData->byTSR2)); |
| 149 | } |
| 150 | if (BITbIsBitOn(pINTData->byTSR3, TSR_VALID)) { |
| 151 | STAvUpdateTDStatCounter (&(pDevice->scStatistic), (BYTE) (pINTData->byPkt3 & 0x0F), (BYTE) (pINTData->byPkt3>>4), pINTData->byTSR3); |
| 152 | BSSvUpdateNodeTxCounter (pDevice, &(pDevice->scStatistic), pINTData->byTSR3, pINTData->byPkt3); |
| 153 | //DBG_PRN_GRP01(("TSR3 %02x\n", pINTData->byTSR3)); |
| 154 | } |
| 155 | if ( pINTData->byISR0 != 0 ) { |
| 156 | if ( BITbIsBitOn(pINTData->byISR0, ISR_BNTX) ) { |
| 157 | |
| 158 | if (pDevice->eOPMode == OP_MODE_AP) { |
| 159 | if(pMgmt->byDTIMCount > 0) { |
| 160 | pMgmt->byDTIMCount --; |
| 161 | pMgmt->sNodeDBTable[0].bRxPSPoll = FALSE; |
| 162 | } else if(pMgmt->byDTIMCount == 0) { |
| 163 | // check if mutltcast tx bufferring |
| 164 | pMgmt->byDTIMCount = pMgmt->byDTIMPeriod - 1; |
| 165 | pMgmt->sNodeDBTable[0].bRxPSPoll = TRUE; |
| 166 | if (pMgmt->sNodeDBTable[0].bPSEnable) { |
| 167 | bScheduleCommand((HANDLE)pDevice, WLAN_CMD_RX_PSPOLL, NULL); |
| 168 | } |
| 169 | } |
| 170 | bScheduleCommand((HANDLE)pDevice, WLAN_CMD_BECON_SEND, NULL); |
| 171 | } // if (pDevice->eOPMode == OP_MODE_AP) |
| 172 | |
| 173 | pDevice->bBeaconSent = TRUE; |
| 174 | } else { |
| 175 | pDevice->bBeaconSent = FALSE; |
| 176 | } |
| 177 | if ( BITbIsBitOn(pINTData->byISR0, ISR_TBTT) ) { |
| 178 | if ( pDevice->bEnablePSMode ) { |
| 179 | bScheduleCommand((HANDLE) pDevice, WLAN_CMD_TBTT_WAKEUP, NULL); |
| 180 | } |
| 181 | if ( pDevice->bChannelSwitch ) { |
| 182 | pDevice->byChannelSwitchCount--; |
| 183 | if ( pDevice->byChannelSwitchCount == 0 ) { |
| 184 | bScheduleCommand((HANDLE) pDevice, WLAN_CMD_11H_CHSW, NULL); |
| 185 | } |
| 186 | } |
| 187 | } |
| 188 | LODWORD(pDevice->qwCurrTSF) = pINTData->dwLoTSF; |
| 189 | HIDWORD(pDevice->qwCurrTSF) = pINTData->dwHiTSF; |
| 190 | //DBG_PRN_GRP01(("ISR0 = %02x ,LoTsf = %08x,HiTsf = %08x\n", pINTData->byISR0, pINTData->dwLoTSF,pINTData->dwHiTSF)); |
| 191 | |
| 192 | STAvUpdate802_11Counter(&pDevice->s802_11Counter, &pDevice->scStatistic, pINTData->byRTSSuccess, |
| 193 | pINTData->byRTSFail, pINTData->byACKFail, pINTData->byFCSErr ); |
| 194 | STAvUpdateIsrStatCounter(&pDevice->scStatistic, pINTData->byISR0, pINTData->byISR1); |
| 195 | |
| 196 | } |
| 197 | |
| 198 | if ( pINTData->byISR1 != 0 ) { |
| 199 | if ( BITbIsBitOn(pINTData->byISR1, ISR_GPIO3) ) { |
| 200 | bScheduleCommand((HANDLE) pDevice, WLAN_CMD_RADIO, NULL); |
| 201 | } |
| 202 | } |
| 203 | pDevice->intBuf.uDataLen = 0; |
| 204 | pDevice->intBuf.bInUse = FALSE; |
| 205 | |
| 206 | pStats->tx_packets = pDevice->scStatistic.ullTsrOK; |
| 207 | pStats->tx_bytes = pDevice->scStatistic.ullTxDirectedBytes + |
| 208 | pDevice->scStatistic.ullTxMulticastBytes + |
| 209 | pDevice->scStatistic.ullTxBroadcastBytes; |
| 210 | pStats->tx_errors = pDevice->scStatistic.dwTsrErr; |
| 211 | pStats->tx_dropped = pDevice->scStatistic.dwTsrErr; |
| 212 | |
| 213 | return status; |
| 214 | } |