/* * 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: main_usb.c * * Purpose: driver entry for initial, open, close, tx and rx. * * Author: Lyndon Chen * * Date: Dec 8, 2005 * * Functions: * * vt6656_probe - module initial (insmod) driver entry * device_remove1 - module remove entry * device_open - allocate dma/descripter resource & initial mac/bbp function * device_xmit - asynchrous data tx function * device_set_multi - set mac filter * device_ioctl - ioctl entry * device_close - shutdown mac/bbp & free dma/descripter resource * device_alloc_frag_buf - rx fragement pre-allocated function * device_free_tx_bufs - free tx buffer function * device_dma0_tx_80211- tx 802.11 frame via dma0 * device_dma0_xmit- tx PS bufferred frame via dma0 * device_init_registers- initial MAC & BBP & RF internal registers. * device_init_rings- initial tx/rx ring buffer * device_init_defrag_cb- initial & allocate de-fragement buffer. * device_tx_srv- tx interrupt service function * * Revision History: */ #undef __NO_VERSION__ #include "device.h" #include "card.h" #include "baseband.h" #include "mac.h" #include "tether.h" #include "wmgr.h" #include "wctl.h" #include "power.h" #include "wcmd.h" #include "iocmd.h" #include "tcrc.h" #include "rxtx.h" #include "bssdb.h" #include "hostap.h" #include "wpactl.h" #include "ioctl.h" #include "iwctl.h" #include "dpc.h" #include "datarate.h" #include "rf.h" #include "firmware.h" #include "rndis.h" #include "control.h" #include "channel.h" #include "int.h" #include "iowpa.h" /*--------------------- Static Definitions -------------------------*/ //static int msglevel =MSG_LEVEL_DEBUG; static int msglevel =MSG_LEVEL_INFO; // // Define module options // // Version Information #define DRIVER_AUTHOR "VIA Networking Technologies, Inc., " MODULE_AUTHOR(DRIVER_AUTHOR); MODULE_LICENSE("GPL"); MODULE_DESCRIPTION(DEVICE_FULL_DRV_NAM); #define DEVICE_PARAM(N,D) \ static int N[MAX_UINTS]=OPTION_DEFAULT;\ module_param_array(N, int, NULL, 0);\ MODULE_PARM_DESC(N, D); #define RX_DESC_MIN0 16 #define RX_DESC_MAX0 128 #define RX_DESC_DEF0 64 DEVICE_PARAM(RxDescriptors0,"Number of receive usb desc buffer"); #define TX_DESC_MIN0 16 #define TX_DESC_MAX0 128 #define TX_DESC_DEF0 64 DEVICE_PARAM(TxDescriptors0,"Number of transmit usb desc buffer"); #define CHANNEL_MIN 1 #define CHANNEL_MAX 14 #define CHANNEL_DEF 6 DEVICE_PARAM(Channel, "Channel number"); /* PreambleType[] is the preamble length used for transmit. 0: indicate allows long preamble type 1: indicate allows short preamble type */ #define PREAMBLE_TYPE_DEF 1 DEVICE_PARAM(PreambleType, "Preamble Type"); #define RTS_THRESH_MIN 512 #define RTS_THRESH_MAX 2347 #define RTS_THRESH_DEF 2347 DEVICE_PARAM(RTSThreshold, "RTS threshold"); #define FRAG_THRESH_MIN 256 #define FRAG_THRESH_MAX 2346 #define FRAG_THRESH_DEF 2346 DEVICE_PARAM(FragThreshold, "Fragmentation threshold"); #define DATA_RATE_MIN 0 #define DATA_RATE_MAX 13 #define DATA_RATE_DEF 13 /* datarate[] index 0: indicate 1 Mbps 0x02 1: indicate 2 Mbps 0x04 2: indicate 5.5 Mbps 0x0B 3: indicate 11 Mbps 0x16 4: indicate 6 Mbps 0x0c 5: indicate 9 Mbps 0x12 6: indicate 12 Mbps 0x18 7: indicate 18 Mbps 0x24 8: indicate 24 Mbps 0x30 9: indicate 36 Mbps 0x48 10: indicate 48 Mbps 0x60 11: indicate 54 Mbps 0x6c 12: indicate 72 Mbps 0x90 13: indicate auto rate */ DEVICE_PARAM(ConnectionRate, "Connection data rate"); #define OP_MODE_MAX 2 #define OP_MODE_DEF 0 #define OP_MODE_MIN 0 DEVICE_PARAM(OPMode, "Infrastruct, adhoc, AP mode "); /* OpMode[] is used for transmit. 0: indicate infrastruct mode used 1: indicate adhoc mode used 2: indicate AP mode used */ /* PSMode[] 0: indicate disable power saving mode 1: indicate enable power saving mode */ #define PS_MODE_DEF 0 DEVICE_PARAM(PSMode, "Power saving mode"); #define SHORT_RETRY_MIN 0 #define SHORT_RETRY_MAX 31 #define SHORT_RETRY_DEF 8 DEVICE_PARAM(ShortRetryLimit, "Short frame retry limits"); #define LONG_RETRY_MIN 0 #define LONG_RETRY_MAX 15 #define LONG_RETRY_DEF 4 DEVICE_PARAM(LongRetryLimit, "long frame retry limits"); /* BasebandType[] baseband type selected 0: indicate 802.11a type 1: indicate 802.11b type 2: indicate 802.11g type */ #define BBP_TYPE_MIN 0 #define BBP_TYPE_MAX 2 #define BBP_TYPE_DEF 2 DEVICE_PARAM(BasebandType, "baseband type"); /* 80211hEnable[] 0: indicate disable 802.11h 1: indicate enable 802.11h */ #define X80211h_MODE_DEF 0 DEVICE_PARAM(b80211hEnable, "802.11h mode"); // // Static vars definitions // static struct usb_device_id vt6656_table[] __devinitdata = { {USB_DEVICE(VNT_USB_VENDOR_ID, VNT_USB_PRODUCT_ID)}, {} }; // Frequency list (map channels to frequencies) /* static const long frequency_list[] = { 2412, 2417, 2422, 2427, 2432, 2437, 2442, 2447, 2452, 2457, 2462, 2467, 2472, 2484, 4915, 4920, 4925, 4935, 4940, 4945, 4960, 4980, 5035, 5040, 5045, 5055, 5060, 5080, 5170, 5180, 5190, 5200, 5210, 5220, 5230, 5240, 5260, 5280, 5300, 5320, 5500, 5520, 5540, 5560, 5580, 5600, 5620, 5640, 5660, 5680, 5700, 5745, 5765, 5785, 5805, 5825 }; #ifndef IW_ENCODE_NOKEY #define IW_ENCODE_NOKEY 0x0800 #define IW_ENCODE_MODE (IW_ENCODE_DISABLED | IW_ENCODE_RESTRICTED | IW_ENCODE_OPEN) #endif static const struct iw_handler_def iwctl_handler_def; */ /*--------------------- Static Functions --------------------------*/ static int vt6656_probe(struct usb_interface *intf, const struct usb_device_id *id); static void vt6656_disconnect(struct usb_interface *intf); #ifdef CONFIG_PM /* Minimal support for suspend and resume */ static int vt6656_suspend(struct usb_interface *intf, pm_message_t message); static int vt6656_resume(struct usb_interface *intf); #endif /* CONFIG_PM */ static struct net_device_stats *device_get_stats(struct net_device *dev); static int device_open(struct net_device *dev); static int device_xmit(struct sk_buff *skb, struct net_device *dev); static void device_set_multi(struct net_device *dev); static int device_close(struct net_device *dev); static int device_ioctl(struct net_device *dev, struct ifreq *rq, int cmd); static BOOL device_init_registers(PSDevice pDevice, DEVICE_INIT_TYPE InitType); static BOOL device_init_defrag_cb(PSDevice pDevice); static void device_init_diversity_timer(PSDevice pDevice); static int device_dma0_tx_80211(struct sk_buff *skb, struct net_device *dev); static int ethtool_ioctl(struct net_device *dev, void *useraddr); static void device_free_tx_bufs(PSDevice pDevice); static void device_free_rx_bufs(PSDevice pDevice); static void device_free_int_bufs(PSDevice pDevice); static void device_free_frag_bufs(PSDevice pDevice); static BOOL device_alloc_bufs(PSDevice pDevice); static int Read_config_file(PSDevice pDevice); static unsigned char *Config_FileOperation(PSDevice pDevice); static int Config_FileGetParameter(unsigned char *string, unsigned char *dest, unsigned char *source); static BOOL device_release_WPADEV(PSDevice pDevice); static void usb_device_reset(PSDevice pDevice); /*--------------------- Export Variables --------------------------*/ /*--------------------- Export Functions --------------------------*/ static void device_set_options(PSDevice pDevice) { BYTE abyBroadcastAddr[ETH_ALEN] = {0xff, 0xff, 0xff, 0xff, 0xff, 0xff}; BYTE abySNAP_RFC1042[ETH_ALEN] = {0xAA, 0xAA, 0x03, 0x00, 0x00, 0x00}; u8 abySNAP_Bridgetunnel[ETH_ALEN] = {0xAA, 0xAA, 0x03, 0x00, 0x00, 0xF8}; memcpy(pDevice->abyBroadcastAddr, abyBroadcastAddr, ETH_ALEN); memcpy(pDevice->abySNAP_RFC1042, abySNAP_RFC1042, ETH_ALEN); memcpy(pDevice->abySNAP_Bridgetunnel, abySNAP_Bridgetunnel, ETH_ALEN); pDevice->cbTD = TX_DESC_DEF0; pDevice->cbRD = RX_DESC_DEF0; pDevice->uChannel = CHANNEL_DEF; pDevice->wRTSThreshold = RTS_THRESH_DEF; pDevice->wFragmentationThreshold = FRAG_THRESH_DEF; pDevice->byShortRetryLimit = SHORT_RETRY_DEF; pDevice->byLongRetryLimit = LONG_RETRY_DEF; pDevice->wMaxTransmitMSDULifetime = DEFAULT_MSDU_LIFETIME; pDevice->byShortPreamble = PREAMBLE_TYPE_DEF; pDevice->ePSMode = PS_MODE_DEF; pDevice->b11hEnable = X80211h_MODE_DEF; pDevice->eOPMode = OP_MODE_DEF; pDevice->uConnectionRate = DATA_RATE_DEF; if (pDevice->uConnectionRate < RATE_AUTO) pDevice->bFixRate = TRUE; pDevice->byBBType = BBP_TYPE_DEF; pDevice->byPacketType = pDevice->byBBType; pDevice->byAutoFBCtrl = AUTO_FB_0; pDevice->bUpdateBBVGA = TRUE; pDevice->byFOETuning = 0; pDevice->byAutoPwrTunning = 0; pDevice->wCTSDuration = 0; pDevice->byPreambleType = 0; pDevice->bExistSWNetAddr = FALSE; // pDevice->bDiversityRegCtlON = TRUE; pDevice->bDiversityRegCtlON = FALSE; } static void device_init_diversity_timer(PSDevice pDevice) { init_timer(&pDevice->TimerSQ3Tmax1); pDevice->TimerSQ3Tmax1.data = (unsigned long)pDevice; pDevice->TimerSQ3Tmax1.function = (TimerFunction)TimerSQ3CallBack; pDevice->TimerSQ3Tmax1.expires = RUN_AT(HZ); init_timer(&pDevice->TimerSQ3Tmax2); pDevice->TimerSQ3Tmax2.data = (unsigned long)pDevice; pDevice->TimerSQ3Tmax2.function = (TimerFunction)TimerSQ3CallBack; pDevice->TimerSQ3Tmax2.expires = RUN_AT(HZ); init_timer(&pDevice->TimerSQ3Tmax3); pDevice->TimerSQ3Tmax3.data = (unsigned long)pDevice; pDevice->TimerSQ3Tmax3.function = (TimerFunction)TimerSQ3Tmax3CallBack; pDevice->TimerSQ3Tmax3.expires = RUN_AT(HZ); return; } // // Initialiation of MAC & BBP registers // static BOOL device_init_registers(PSDevice pDevice, DEVICE_INIT_TYPE InitType) { u8 abyBroadcastAddr[ETH_ALEN] = {0xff, 0xff, 0xff, 0xff, 0xff, 0xff}; u8 abySNAP_RFC1042[ETH_ALEN] = {0xAA, 0xAA, 0x03, 0x00, 0x00, 0x00}; u8 abySNAP_Bridgetunnel[ETH_ALEN] = {0xAA, 0xAA, 0x03, 0x00, 0x00, 0xF8}; BYTE byAntenna; unsigned int ii; CMD_CARD_INIT sInitCmd; int ntStatus = STATUS_SUCCESS; RSP_CARD_INIT sInitRsp; PSMgmtObject pMgmt = &(pDevice->sMgmtObj); BYTE byTmp; BYTE byCalibTXIQ = 0; BYTE byCalibTXDC = 0; BYTE byCalibRXIQ = 0; DBG_PRT(MSG_LEVEL_DEBUG, KERN_INFO "---->INIbInitAdapter. [%d][%d]\n", InitType, pDevice->byPacketType); spin_lock_irq(&pDevice->lock); if (InitType == DEVICE_INIT_COLD) { memcpy(pDevice->abyBroadcastAddr, abyBroadcastAddr, ETH_ALEN); memcpy(pDevice->abySNAP_RFC1042, abySNAP_RFC1042, ETH_ALEN); memcpy(pDevice->abySNAP_Bridgetunnel, abySNAP_Bridgetunnel, ETH_ALEN); if ( !FIRMWAREbCheckVersion(pDevice) ) { if (FIRMWAREbDownload(pDevice) == TRUE) { if (FIRMWAREbBrach2Sram(pDevice) == FALSE) { DBG_PRT(MSG_LEVEL_DEBUG, KERN_INFO" FIRMWAREbBrach2Sram fail \n"); spin_unlock_irq(&pDevice->lock); return FALSE; } } else { DBG_PRT(MSG_LEVEL_DEBUG, KERN_INFO" FIRMWAREbDownload fail \n"); spin_unlock_irq(&pDevice->lock); return FALSE; } } if ( !BBbVT3184Init(pDevice) ) { DBG_PRT(MSG_LEVEL_DEBUG, KERN_INFO" BBbVT3184Init fail \n"); spin_unlock_irq(&pDevice->lock); return FALSE; } } sInitCmd.byInitClass = (BYTE)InitType; sInitCmd.bExistSWNetAddr = (BYTE) pDevice->bExistSWNetAddr; for (ii = 0; ii < 6; ii++) sInitCmd.bySWNetAddr[ii] = pDevice->abyCurrentNetAddr[ii]; sInitCmd.byShortRetryLimit = pDevice->byShortRetryLimit; sInitCmd.byLongRetryLimit = pDevice->byLongRetryLimit; //issue Card_init command to device ntStatus = CONTROLnsRequestOut(pDevice, MESSAGE_TYPE_CARDINIT, 0, 0, sizeof(CMD_CARD_INIT), (PBYTE) &(sInitCmd)); if ( ntStatus != STATUS_SUCCESS ) { DBG_PRT(MSG_LEVEL_DEBUG, KERN_INFO" Issue Card init fail \n"); spin_unlock_irq(&pDevice->lock); return FALSE; } if (InitType == DEVICE_INIT_COLD) { ntStatus = CONTROLnsRequestIn(pDevice,MESSAGE_TYPE_INIT_RSP,0,0,sizeof(RSP_CARD_INIT), (PBYTE) &(sInitRsp)); if (ntStatus != STATUS_SUCCESS) { DBG_PRT(MSG_LEVEL_DEBUG, KERN_INFO "Cardinit request in status fail!\n"); spin_unlock_irq(&pDevice->lock); return FALSE; } //Local ID for AES functions ntStatus = CONTROLnsRequestIn(pDevice, MESSAGE_TYPE_READ, MAC_REG_LOCALID, MESSAGE_REQUEST_MACREG, 1, &pDevice->byLocalID); if ( ntStatus != STATUS_SUCCESS ) { spin_unlock_irq(&pDevice->lock); return FALSE; } // Do MACbSoftwareReset in MACvInitialize // force CCK pDevice->bCCK = TRUE; pDevice->bProtectMode = FALSE; //Only used in 11g type, sync with ERP IE pDevice->bNonERPPresent = FALSE; pDevice->bBarkerPreambleMd = FALSE; if ( pDevice->bFixRate ) { pDevice->wCurrentRate = (WORD) pDevice->uConnectionRate; } else { if ( pDevice->byBBType == BB_TYPE_11B ) pDevice->wCurrentRate = RATE_11M; else pDevice->wCurrentRate = RATE_54M; } CHvInitChannelTable(pDevice); pDevice->byTopOFDMBasicRate = RATE_24M; pDevice->byTopCCKBasicRate = RATE_1M; pDevice->byRevId = 0; //Target to IF pin while programming to RF chip. pDevice->byCurPwr = 0xFF; pDevice->byCCKPwr = pDevice->abyEEPROM[EEP_OFS_PWR_CCK]; pDevice->byOFDMPwrG = pDevice->abyEEPROM[EEP_OFS_PWR_OFDMG]; // Load power Table for (ii=0;ii<14;ii++) { pDevice->abyCCKPwrTbl[ii] = pDevice->abyEEPROM[ii + EEP_OFS_CCK_PWR_TBL]; if (pDevice->abyCCKPwrTbl[ii] == 0) pDevice->abyCCKPwrTbl[ii] = pDevice->byCCKPwr; pDevice->abyOFDMPwrTbl[ii] = pDevice->abyEEPROM[ii + EEP_OFS_OFDM_PWR_TBL]; if (pDevice->abyOFDMPwrTbl[ii] == 0) pDevice->abyOFDMPwrTbl[ii] = pDevice->byOFDMPwrG; } //original zonetype is USA,but customize zonetype is europe, // then need recover 12,13 ,14 channel with 11 channel if(((pDevice->abyEEPROM[EEP_OFS_ZONETYPE] == ZoneType_Japan) || (pDevice->abyEEPROM[EEP_OFS_ZONETYPE] == ZoneType_Europe))&& (pDevice->byOriginalZonetype == ZoneType_USA)) { for (ii = 11; ii < 14; ii++) { pDevice->abyCCKPwrTbl[ii] = pDevice->abyCCKPwrTbl[10]; pDevice->abyOFDMPwrTbl[ii] = pDevice->abyOFDMPwrTbl[10]; } } //{{ RobertYu: 20041124 pDevice->byOFDMPwrA = 0x34; // same as RFbMA2829SelectChannel // Load OFDM A Power Table for (ii=0;iiabyOFDMAPwrTbl[ii] = pDevice->abyEEPROM[ii + EEP_OFS_OFDMA_PWR_TBL]; if (pDevice->abyOFDMAPwrTbl[ii] == 0) pDevice->abyOFDMAPwrTbl[ii] = pDevice->byOFDMPwrA; } //}} RobertYu byAntenna = pDevice->abyEEPROM[EEP_OFS_ANTENNA]; if (byAntenna & EEP_ANTINV) pDevice->bTxRxAntInv = TRUE; else pDevice->bTxRxAntInv = FALSE; byAntenna &= (EEP_ANTENNA_AUX | EEP_ANTENNA_MAIN); if (byAntenna == 0) // if not set default is All byAntenna = (EEP_ANTENNA_AUX | EEP_ANTENNA_MAIN); if (byAntenna == (EEP_ANTENNA_AUX | EEP_ANTENNA_MAIN)) { pDevice->byAntennaCount = 2; pDevice->byTxAntennaMode = ANT_B; pDevice->dwTxAntennaSel = 1; pDevice->dwRxAntennaSel = 1; if (pDevice->bTxRxAntInv == TRUE) pDevice->byRxAntennaMode = ANT_A; else pDevice->byRxAntennaMode = ANT_B; if (pDevice->bDiversityRegCtlON) pDevice->bDiversityEnable = TRUE; else pDevice->bDiversityEnable = FALSE; } else { pDevice->bDiversityEnable = FALSE; pDevice->byAntennaCount = 1; pDevice->dwTxAntennaSel = 0; pDevice->dwRxAntennaSel = 0; if (byAntenna & EEP_ANTENNA_AUX) { pDevice->byTxAntennaMode = ANT_A; if (pDevice->bTxRxAntInv == TRUE) pDevice->byRxAntennaMode = ANT_B; else pDevice->byRxAntennaMode = ANT_A; } else { pDevice->byTxAntennaMode = ANT_B; if (pDevice->bTxRxAntInv == TRUE) pDevice->byRxAntennaMode = ANT_A; else pDevice->byRxAntennaMode = ANT_B; } } pDevice->ulDiversityNValue = 100*255; pDevice->ulDiversityMValue = 100*16; pDevice->byTMax = 1; pDevice->byTMax2 = 4; pDevice->ulSQ3TH = 0; pDevice->byTMax3 = 64; // ----------------------------------------------------------------- //Get Auto Fall Back Type pDevice->byAutoFBCtrl = AUTO_FB_0; // Set SCAN Time pDevice->uScanTime = WLAN_SCAN_MINITIME; // default Auto Mode //pDevice->NetworkType = Ndis802_11Automode; pDevice->eConfigPHYMode = PHY_TYPE_AUTO; pDevice->byBBType = BB_TYPE_11G; // initialize BBP registers pDevice->ulTxPower = 25; // Get Channel range pDevice->byMinChannel = 1; pDevice->byMaxChannel = CB_MAX_CHANNEL; // Get RFType pDevice->byRFType = sInitRsp.byRFType; if ((pDevice->byRFType & RF_EMU) != 0) { // force change RevID for VT3253 emu pDevice->byRevId = 0x80; } // Load EEPROM calibrated vt3266 parameters if (pDevice->byRFType == RF_VT3226D0) { if((pDevice->abyEEPROM[EEP_OFS_MAJOR_VER] == 0x1) && (pDevice->abyEEPROM[EEP_OFS_MINOR_VER] >= 0x4)) { byCalibTXIQ = pDevice->abyEEPROM[EEP_OFS_CALIB_TX_IQ]; byCalibTXDC = pDevice->abyEEPROM[EEP_OFS_CALIB_TX_DC]; byCalibRXIQ = pDevice->abyEEPROM[EEP_OFS_CALIB_RX_IQ]; if( (byCalibTXIQ || byCalibTXDC || byCalibRXIQ) ) { ControlvWriteByte(pDevice, MESSAGE_REQUEST_BBREG, 0xFF, 0x03); // CR255, Set BB to support TX/RX IQ and DC compensation Mode ControlvWriteByte(pDevice, MESSAGE_REQUEST_BBREG, 0xFB, byCalibTXIQ); // CR251, TX I/Q Imbalance Calibration ControlvWriteByte(pDevice, MESSAGE_REQUEST_BBREG, 0xFC, byCalibTXDC); // CR252, TX DC-Offset Calibration ControlvWriteByte(pDevice, MESSAGE_REQUEST_BBREG, 0xFD, byCalibRXIQ); // CR253, RX I/Q Imbalance Calibration } else { // turn off BB Calibration compensation ControlvWriteByte(pDevice, MESSAGE_REQUEST_BBREG, 0xFF, 0x0); // CR255 } } } pMgmt->eScanType = WMAC_SCAN_PASSIVE; pMgmt->uCurrChannel = pDevice->uChannel; pMgmt->uIBSSChannel = pDevice->uChannel; CARDbSetMediaChannel(pDevice, pMgmt->uCurrChannel); // get Permanent network address memcpy(pDevice->abyPermanentNetAddr,&(sInitRsp.byNetAddr[0]),6); memcpy(pDevice->abyCurrentNetAddr, pDevice->abyPermanentNetAddr, ETH_ALEN); // if exist SW network address, use SW network address. DBG_PRT(MSG_LEVEL_DEBUG, KERN_INFO"Network address = %pM\n", pDevice->abyCurrentNetAddr); } // Set BB and packet type at the same time. // Set Short Slot Time, xIFS, and RSPINF. if (pDevice->byBBType == BB_TYPE_11A) { CARDbAddBasicRate(pDevice, RATE_6M); pDevice->bShortSlotTime = TRUE; } else { CARDbAddBasicRate(pDevice, RATE_1M); pDevice->bShortSlotTime = FALSE; } BBvSetShortSlotTime(pDevice); CARDvSetBSSMode(pDevice); if (pDevice->bUpdateBBVGA) { pDevice->byBBVGACurrent = pDevice->abyBBVGA[0]; pDevice->byBBVGANew = pDevice->byBBVGACurrent; BBvSetVGAGainOffset(pDevice, pDevice->abyBBVGA[0]); } pDevice->byRadioCtl = pDevice->abyEEPROM[EEP_OFS_RADIOCTL]; pDevice->bHWRadioOff = FALSE; if ( (pDevice->byRadioCtl & EEP_RADIOCTL_ENABLE) != 0 ) { ntStatus = CONTROLnsRequestIn(pDevice, MESSAGE_TYPE_READ, MAC_REG_GPIOCTL1, MESSAGE_REQUEST_MACREG, 1, &byTmp); if ( ntStatus != STATUS_SUCCESS ) { spin_unlock_irq(&pDevice->lock); return FALSE; } if ( (byTmp & GPIO3_DATA) == 0 ) { pDevice->bHWRadioOff = TRUE; MACvRegBitsOn(pDevice,MAC_REG_GPIOCTL1,GPIO3_INTMD); } else { MACvRegBitsOff(pDevice,MAC_REG_GPIOCTL1,GPIO3_INTMD); pDevice->bHWRadioOff = FALSE; } } //EEP_RADIOCTL_ENABLE ControlvMaskByte(pDevice,MESSAGE_REQUEST_MACREG,MAC_REG_PAPEDELAY,LEDSTS_TMLEN,0x38); ControlvMaskByte(pDevice,MESSAGE_REQUEST_MACREG,MAC_REG_PAPEDELAY,LEDSTS_STS,LEDSTS_SLOW); MACvRegBitsOn(pDevice,MAC_REG_GPIOCTL0,0x01); if ((pDevice->bHWRadioOff == TRUE) || (pDevice->bRadioControlOff == TRUE)) { CARDbRadioPowerOff(pDevice); } else { CARDbRadioPowerOn(pDevice); } spin_unlock_irq(&pDevice->lock); DBG_PRT(MSG_LEVEL_DEBUG, KERN_INFO"<----INIbInitAdapter Exit\n"); return TRUE; } static BOOL device_release_WPADEV(PSDevice pDevice) { viawget_wpa_header *wpahdr; int ii=0; // wait_queue_head_t Set_wait; //send device close to wpa_supplicnat layer if (pDevice->bWPADEVUp==TRUE) { wpahdr = (viawget_wpa_header *)pDevice->skb->data; wpahdr->type = VIAWGET_DEVICECLOSE_MSG; wpahdr->resp_ie_len = 0; wpahdr->req_ie_len = 0; skb_put(pDevice->skb, sizeof(viawget_wpa_header)); pDevice->skb->dev = pDevice->wpadev; skb_reset_mac_header(pDevice->skb); pDevice->skb->pkt_type = PACKET_HOST; pDevice->skb->protocol = htons(ETH_P_802_2); memset(pDevice->skb->cb, 0, sizeof(pDevice->skb->cb)); netif_rx(pDevice->skb); pDevice->skb = dev_alloc_skb((int)pDevice->rx_buf_sz); //wait release WPADEV // init_waitqueue_head(&Set_wait); // wait_event_timeout(Set_wait, ((pDevice->wpadev==NULL)&&(pDevice->skb == NULL)),5*HZ); //1s wait while(pDevice->bWPADEVUp==TRUE) { set_current_state(TASK_UNINTERRUPTIBLE); schedule_timeout (HZ/20); //wait 50ms ii++; if(ii>20) break; } } return TRUE; } #ifdef CONFIG_PM /* Minimal support for suspend and resume */ static int vt6656_suspend(struct usb_interface *intf, pm_message_t message) { PSDevice device = usb_get_intfdata(intf); if (!device || !device->dev) return -ENODEV; if (device->flags & DEVICE_FLAGS_OPENED) device_close(device->dev); usb_put_dev(interface_to_usbdev(intf)); return 0; } static int vt6656_resume(struct usb_interface *intf) { PSDevice device = usb_get_intfdata(intf); if (!device || !device->dev) return -ENODEV; usb_get_dev(interface_to_usbdev(intf)); if (!(device->flags & DEVICE_FLAGS_OPENED)) device_open(device->dev); return 0; } #endif /* CONFIG_PM */ static const struct net_device_ops device_netdev_ops = { .ndo_open = device_open, .ndo_stop = device_close, .ndo_do_ioctl = device_ioctl, .ndo_get_stats = device_get_stats, .ndo_start_xmit = device_xmit, .ndo_set_rx_mode = device_set_multi, }; static int __devinit vt6656_probe(struct usb_interface *intf, const struct usb_device_id *id) { u8 fake_mac[ETH_ALEN] = {0x00, 0x00, 0x00, 0x00, 0x00, 0x01}; struct usb_device *udev = interface_to_usbdev(intf); int rc = 0; struct net_device *netdev = NULL; PSDevice pDevice = NULL; printk(KERN_NOTICE "%s Ver. %s\n", DEVICE_FULL_DRV_NAM, DEVICE_VERSION); printk(KERN_NOTICE "Copyright (c) 2004 VIA Networking Technologies, Inc.\n"); udev = usb_get_dev(udev); netdev = alloc_etherdev(sizeof(DEVICE_INFO)); if (!netdev) { printk(KERN_ERR DEVICE_NAME ": allocate net device failed\n"); rc = -ENOMEM; goto err_nomem; } pDevice = netdev_priv(netdev); memset(pDevice, 0, sizeof(DEVICE_INFO)); pDevice->dev = netdev; pDevice->usb = udev; device_set_options(pDevice); spin_lock_init(&pDevice->lock); pDevice->tx_80211 = device_dma0_tx_80211; pDevice->sMgmtObj.pAdapter = (void *) pDevice; netdev->netdev_ops = &device_netdev_ops; netdev->wireless_handlers = (struct iw_handler_def *) &iwctl_handler_def; usb_set_intfdata(intf, pDevice); SET_NETDEV_DEV(netdev, &intf->dev); memcpy(pDevice->dev->dev_addr, fake_mac, ETH_ALEN); rc = register_netdev(netdev); if (rc) { printk(KERN_ERR DEVICE_NAME " Failed to register netdev\n"); goto err_netdev; } usb_device_reset(pDevice); { union iwreq_data wrqu; memset(&wrqu, 0, sizeof(wrqu)); wrqu.data.flags = RT_INSMOD_EVENT_FLAG; wrqu.data.length = IFNAMSIZ; wireless_send_event(pDevice->dev, IWEVCUSTOM, &wrqu, pDevice->dev->name); } return 0; err_netdev: free_netdev(netdev); err_nomem: usb_put_dev(udev); return rc; } static void device_free_tx_bufs(PSDevice pDevice) { PUSB_SEND_CONTEXT pTxContext; int ii; for (ii = 0; ii < pDevice->cbTD; ii++) { pTxContext = pDevice->apTD[ii]; //de-allocate URBs if (pTxContext->pUrb) { usb_kill_urb(pTxContext->pUrb); usb_free_urb(pTxContext->pUrb); } kfree(pTxContext); } return; } static void device_free_rx_bufs(PSDevice pDevice) { PRCB pRCB; int ii; for (ii = 0; ii < pDevice->cbRD; ii++) { pRCB = pDevice->apRCB[ii]; //de-allocate URBs if (pRCB->pUrb) { usb_kill_urb(pRCB->pUrb); usb_free_urb(pRCB->pUrb); } //de-allocate skb if (pRCB->skb) dev_kfree_skb(pRCB->skb); } kfree(pDevice->pRCBMem); return; } static void usb_device_reset(PSDevice pDevice) { int status; status = usb_reset_device(pDevice->usb); if (status) printk("usb_device_reset fail status=%d\n",status); return ; } static void device_free_int_bufs(PSDevice pDevice) { kfree(pDevice->intBuf.pDataBuf); return; } static BOOL device_alloc_bufs(PSDevice pDevice) { PUSB_SEND_CONTEXT pTxContext; PRCB pRCB; int ii; for (ii = 0; ii < pDevice->cbTD; ii++) { pTxContext = kmalloc(sizeof(USB_SEND_CONTEXT), GFP_KERNEL); if (pTxContext == NULL) { DBG_PRT(MSG_LEVEL_ERR,KERN_ERR "%s : allocate tx usb context failed\n", pDevice->dev->name); goto free_tx; } pDevice->apTD[ii] = pTxContext; pTxContext->pDevice = (void *) pDevice; //allocate URBs pTxContext->pUrb = usb_alloc_urb(0, GFP_ATOMIC); if (pTxContext->pUrb == NULL) { DBG_PRT(MSG_LEVEL_ERR,KERN_ERR "alloc tx urb failed\n"); goto free_tx; } pTxContext->bBoolInUse = FALSE; } // allocate rcb mem pDevice->pRCBMem = kzalloc((sizeof(RCB) * pDevice->cbRD), GFP_KERNEL); if (pDevice->pRCBMem == NULL) { DBG_PRT(MSG_LEVEL_ERR,KERN_ERR "%s : alloc rx usb context failed\n", pDevice->dev->name); goto free_tx; } pDevice->FirstRecvFreeList = NULL; pDevice->LastRecvFreeList = NULL; pDevice->FirstRecvMngList = NULL; pDevice->LastRecvMngList = NULL; pDevice->NumRecvFreeList = 0; pRCB = (PRCB) pDevice->pRCBMem; for (ii = 0; ii < pDevice->cbRD; ii++) { pDevice->apRCB[ii] = pRCB; pRCB->pDevice = (void *) pDevice; //allocate URBs pRCB->pUrb = usb_alloc_urb(0, GFP_ATOMIC); if (pRCB->pUrb == NULL) { DBG_PRT(MSG_LEVEL_ERR,KERN_ERR" Failed to alloc rx urb\n"); goto free_rx_tx; } pRCB->skb = dev_alloc_skb((int)pDevice->rx_buf_sz); if (pRCB->skb == NULL) { DBG_PRT(MSG_LEVEL_ERR,KERN_ERR" Failed to alloc rx skb\n"); goto free_rx_tx; } pRCB->skb->dev = pDevice->dev; pRCB->bBoolInUse = FALSE; EnqueueRCB(pDevice->FirstRecvFreeList, pDevice->LastRecvFreeList, pRCB); pDevice->NumRecvFreeList++; pRCB++; } pDevice->pControlURB = usb_alloc_urb(0, GFP_ATOMIC); if (pDevice->pControlURB == NULL) { DBG_PRT(MSG_LEVEL_ERR,KERN_ERR"Failed to alloc control urb\n"); goto free_rx_tx; } pDevice->pInterruptURB = usb_alloc_urb(0, GFP_ATOMIC); if (pDevice->pInterruptURB == NULL) { DBG_PRT(MSG_LEVEL_ERR,KERN_ERR"Failed to alloc int urb\n"); usb_free_urb(pDevice->pControlURB); goto free_rx_tx; } pDevice->intBuf.pDataBuf = kmalloc(MAX_INTERRUPT_SIZE, GFP_KERNEL); if (pDevice->intBuf.pDataBuf == NULL) { DBG_PRT(MSG_LEVEL_ERR,KERN_ERR"Failed to alloc int buf\n"); usb_free_urb(pDevice->pControlURB); usb_free_urb(pDevice->pInterruptURB); goto free_rx_tx; } return TRUE; free_rx_tx: device_free_rx_bufs(pDevice); free_tx: device_free_tx_bufs(pDevice); return FALSE; } static BOOL device_init_defrag_cb(PSDevice pDevice) { int i; PSDeFragControlBlock pDeF; /* Init the fragment ctl entries */ for (i = 0; i < CB_MAX_RX_FRAG; i++) { pDeF = &(pDevice->sRxDFCB[i]); if (!device_alloc_frag_buf(pDevice, pDeF)) { DBG_PRT(MSG_LEVEL_ERR,KERN_ERR "%s: can not alloc frag bufs\n", pDevice->dev->name); goto free_frag; } } pDevice->cbDFCB = CB_MAX_RX_FRAG; pDevice->cbFreeDFCB = pDevice->cbDFCB; return TRUE; free_frag: device_free_frag_bufs(pDevice); return FALSE; } static void device_free_frag_bufs(PSDevice pDevice) { PSDeFragControlBlock pDeF; int i; for (i = 0; i < CB_MAX_RX_FRAG; i++) { pDeF = &(pDevice->sRxDFCB[i]); if (pDeF->skb) dev_kfree_skb(pDeF->skb); } } BOOL device_alloc_frag_buf(PSDevice pDevice, PSDeFragControlBlock pDeF) { pDeF->skb = dev_alloc_skb((int)pDevice->rx_buf_sz); if (pDeF->skb == NULL) return FALSE; ASSERT(pDeF->skb); pDeF->skb->dev = pDevice->dev; return TRUE; } /*-----------------------------------------------------------------*/ static int device_open(struct net_device *dev) { PSDevice pDevice=(PSDevice) netdev_priv(dev); extern SWPAResult wpa_Result; memset(wpa_Result.ifname,0,sizeof(wpa_Result.ifname)); wpa_Result.proto = 0; wpa_Result.key_mgmt = 0; wpa_Result.eap_type = 0; wpa_Result.authenticated = FALSE; pDevice->fWPA_Authened = FALSE; DBG_PRT(MSG_LEVEL_DEBUG, KERN_INFO " device_open...\n"); pDevice->rx_buf_sz = MAX_TOTAL_SIZE_WITH_ALL_HEADERS; if (device_alloc_bufs(pDevice) == FALSE) { DBG_PRT(MSG_LEVEL_DEBUG, KERN_INFO " device_alloc_bufs fail... \n"); return -ENOMEM; } if (device_init_defrag_cb(pDevice)== FALSE) { DBG_PRT(MSG_LEVEL_DEBUG, KERN_INFO " Initial defragement cb fail \n"); goto free_rx_tx; } MP_CLEAR_FLAG(pDevice, fMP_DISCONNECTED); MP_CLEAR_FLAG(pDevice, fMP_CONTROL_READS); MP_CLEAR_FLAG(pDevice, fMP_CONTROL_WRITES); MP_SET_FLAG(pDevice, fMP_POST_READS); MP_SET_FLAG(pDevice, fMP_POST_WRITES); //read config file Read_config_file(pDevice); if (device_init_registers(pDevice, DEVICE_INIT_COLD) == FALSE) { DBG_PRT(MSG_LEVEL_DEBUG, KERN_INFO " init register fail\n"); goto free_all; } device_set_multi(pDevice->dev); // Init for Key Management KeyvInitTable(pDevice,&pDevice->sKey); memcpy(pDevice->sMgmtObj.abyMACAddr, pDevice->abyCurrentNetAddr, ETH_ALEN); memcpy(pDevice->dev->dev_addr, pDevice->abyCurrentNetAddr, ETH_ALEN); pDevice->bStopTx0Pkt = FALSE; pDevice->bStopDataPkt = FALSE; pDevice->bRoaming = FALSE; pDevice->bIsRoaming = FALSE; pDevice->bEnableRoaming = FALSE; if (pDevice->bDiversityRegCtlON) { device_init_diversity_timer(pDevice); } vMgrObjectInit(pDevice); tasklet_init(&pDevice->RxMngWorkItem, (void *)RXvMngWorkItem, (unsigned long)pDevice); tasklet_init(&pDevice->ReadWorkItem, (void *)RXvWorkItem, (unsigned long)pDevice); tasklet_init(&pDevice->EventWorkItem, (void *)INTvWorkItem, (unsigned long)pDevice); add_timer(&(pDevice->sMgmtObj.sTimerSecondCallback)); pDevice->int_interval = 100; //Max 100 microframes. pDevice->eEncryptionStatus = Ndis802_11EncryptionDisabled; pDevice->bIsRxWorkItemQueued = TRUE; pDevice->fKillEventPollingThread = FALSE; pDevice->bEventAvailable = FALSE; pDevice->bWPADEVUp = FALSE; #ifdef WPA_SUPPLICANT_DRIVER_WEXT_SUPPORT pDevice->bwextstep0 = FALSE; pDevice->bwextstep1 = FALSE; pDevice->bwextstep2 = FALSE; pDevice->bwextstep3 = FALSE; pDevice->bWPASuppWextEnabled = FALSE; #endif pDevice->byReAssocCount = 0; RXvWorkItem(pDevice); INTvWorkItem(pDevice); // Patch: if WEP key already set by iwconfig but device not yet open if ((pDevice->bEncryptionEnable == TRUE) && (pDevice->bTransmitKey == TRUE)) { spin_lock_irq(&pDevice->lock); KeybSetDefaultKey( pDevice, &(pDevice->sKey), pDevice->byKeyIndex | (1 << 31), pDevice->uKeyLength, NULL, pDevice->abyKey, KEY_CTL_WEP ); spin_unlock_irq(&pDevice->lock); pDevice->eEncryptionStatus = Ndis802_11Encryption1Enabled; } if (pDevice->sMgmtObj.eConfigMode == WMAC_CONFIG_AP) { bScheduleCommand((void *) pDevice, WLAN_CMD_RUN_AP, NULL); } else { //mike:mark@2008-11-10 bScheduleCommand((void *) pDevice, WLAN_CMD_BSSID_SCAN, NULL); /* bScheduleCommand((void *) pDevice, WLAN_CMD_SSID, NULL); */ } netif_stop_queue(pDevice->dev); pDevice->flags |= DEVICE_FLAGS_OPENED; { union iwreq_data wrqu; memset(&wrqu, 0, sizeof(wrqu)); wrqu.data.flags = RT_UPDEV_EVENT_FLAG; wireless_send_event(pDevice->dev, IWEVCUSTOM, &wrqu, NULL); } DBG_PRT(MSG_LEVEL_DEBUG, KERN_INFO "device_open success.. \n"); return 0; free_all: device_free_frag_bufs(pDevice); free_rx_tx: device_free_rx_bufs(pDevice); device_free_tx_bufs(pDevice); device_free_int_bufs(pDevice); usb_kill_urb(pDevice->pControlURB); usb_kill_urb(pDevice->pInterruptURB); usb_free_urb(pDevice->pControlURB); usb_free_urb(pDevice->pInterruptURB); DBG_PRT(MSG_LEVEL_DEBUG, KERN_INFO "device_open fail.. \n"); return -ENOMEM; } static int device_close(struct net_device *dev) { PSDevice pDevice=(PSDevice) netdev_priv(dev); PSMgmtObject pMgmt = &(pDevice->sMgmtObj); int uu; DBG_PRT(MSG_LEVEL_DEBUG, KERN_INFO "device_close1 \n"); if (pDevice == NULL) return -ENODEV; { union iwreq_data wrqu; memset(&wrqu, 0, sizeof(wrqu)); wrqu.data.flags = RT_DOWNDEV_EVENT_FLAG; wireless_send_event(pDevice->dev, IWEVCUSTOM, &wrqu, NULL); } if (pDevice->bLinkPass) { bScheduleCommand((void *) pDevice, WLAN_CMD_DISASSOCIATE, NULL); mdelay(30); } device_release_WPADEV(pDevice); memset(pMgmt->abyDesireSSID, 0, WLAN_IEHDR_LEN + WLAN_SSID_MAXLEN + 1); pMgmt->bShareKeyAlgorithm = FALSE; pDevice->bEncryptionEnable = FALSE; pDevice->eEncryptionStatus = Ndis802_11EncryptionDisabled; spin_lock_irq(&pDevice->lock); for (uu = 0; uu < MAX_KEY_TABLE; uu++) MACvDisableKeyEntry(pDevice,uu); spin_unlock_irq(&pDevice->lock); if ((pDevice->flags & DEVICE_FLAGS_UNPLUG) == FALSE) { MACbShutdown(pDevice); } netif_stop_queue(pDevice->dev); MP_SET_FLAG(pDevice, fMP_DISCONNECTED); MP_CLEAR_FLAG(pDevice, fMP_POST_WRITES); MP_CLEAR_FLAG(pDevice, fMP_POST_READS); pDevice->fKillEventPollingThread = TRUE; del_timer(&pDevice->sTimerCommand); del_timer(&pMgmt->sTimerSecondCallback); del_timer(&pDevice->sTimerTxData); if (pDevice->bDiversityRegCtlON) { del_timer(&pDevice->TimerSQ3Tmax1); del_timer(&pDevice->TimerSQ3Tmax2); del_timer(&pDevice->TimerSQ3Tmax3); } tasklet_kill(&pDevice->RxMngWorkItem); tasklet_kill(&pDevice->ReadWorkItem); tasklet_kill(&pDevice->EventWorkItem); pDevice->bRoaming = FALSE; pDevice->bIsRoaming = FALSE; pDevice->bEnableRoaming = FALSE; pDevice->bCmdRunning = FALSE; pDevice->bLinkPass = FALSE; memset(pMgmt->abyCurrBSSID, 0, 6); pMgmt->eCurrState = WMAC_STATE_IDLE; device_free_tx_bufs(pDevice); device_free_rx_bufs(pDevice); device_free_int_bufs(pDevice); device_free_frag_bufs(pDevice); usb_kill_urb(pDevice->pControlURB); usb_kill_urb(pDevice->pInterruptURB); usb_free_urb(pDevice->pControlURB); usb_free_urb(pDevice->pInterruptURB); BSSvClearNodeDBTable(pDevice, 0); pDevice->flags &=(~DEVICE_FLAGS_OPENED); DBG_PRT(MSG_LEVEL_DEBUG, KERN_INFO "device_close2 \n"); return 0; } static void __devexit vt6656_disconnect(struct usb_interface *intf) { PSDevice device = usb_get_intfdata(intf); if (!device) return; { union iwreq_data req; memset(&req, 0, sizeof(req)); req.data.flags = RT_RMMOD_EVENT_FLAG; wireless_send_event(device->dev, IWEVCUSTOM, &req, NULL); } device_release_WPADEV(device); if (device->firmware) release_firmware(device->firmware); usb_set_intfdata(intf, NULL); usb_put_dev(interface_to_usbdev(intf)); device->flags |= DEVICE_FLAGS_UNPLUG; if (device->dev) { unregister_netdev(device->dev); wpa_set_wpadev(device, 0); free_netdev(device->dev); } } static int device_dma0_tx_80211(struct sk_buff *skb, struct net_device *dev) { PSDevice pDevice = netdev_priv(dev); spin_lock_irq(&pDevice->lock); if (unlikely(pDevice->bStopTx0Pkt)) dev_kfree_skb_irq(skb); else vDMA0_tx_80211(pDevice, skb); spin_unlock_irq(&pDevice->lock); return NETDEV_TX_OK; } static int device_xmit(struct sk_buff *skb, struct net_device *dev) { PSDevice pDevice = netdev_priv(dev); struct net_device_stats *stats = &pDevice->stats; spin_lock_irq(&pDevice->lock); netif_stop_queue(dev); if (!pDevice->bLinkPass) { dev_kfree_skb_irq(skb); goto out; } if (pDevice->bStopDataPkt) { dev_kfree_skb_irq(skb); stats->tx_dropped++; goto out; } if (nsDMA_tx_packet(pDevice, TYPE_AC0DMA, skb)) { if (netif_queue_stopped(dev)) netif_wake_queue(dev); } out: spin_unlock_irq(&pDevice->lock); return NETDEV_TX_OK; } static unsigned const ethernet_polynomial = 0x04c11db7U; static inline u32 ether_crc(int length, unsigned char *data) { int crc = -1; while(--length >= 0) { unsigned char current_octet = *data++; int bit; for (bit = 0; bit < 8; bit++, current_octet >>= 1) { crc = (crc << 1) ^ ((crc < 0) ^ (current_octet & 1) ? ethernet_polynomial : 0); } } return crc; } //find out the start position of str2 from str1 static unsigned char *kstrstr(const unsigned char *str1, const unsigned char *str2) { int str1_len = strlen(str1); int str2_len = strlen(str2); while (str1_len >= str2_len) { str1_len--; if(memcmp(str1,str2,str2_len)==0) return (unsigned char *) str1; str1++; } return NULL; } static int Config_FileGetParameter(unsigned char *string, unsigned char *dest, unsigned char *source) { unsigned char buf1[100]; unsigned char buf2[100]; unsigned char *start_p = NULL, *end_p = NULL, *tmp_p = NULL; int ii; memset(buf1,0,100); strcat(buf1, string); strcat(buf1, "="); source+=strlen(buf1); //find target string start point start_p = kstrstr(source,buf1); if (start_p == NULL) return FALSE; //check if current config line is marked by "#" ?? for (ii = 1; ; ii++) { if (memcmp(start_p - ii, "\n", 1) == 0) break; if (memcmp(start_p - ii, "#", 1) == 0) return FALSE; } //find target string end point end_p = kstrstr(start_p,"\n"); if (end_p == NULL) { //can't find "\n",but don't care end_p=start_p+strlen(start_p); //no include "\n" } memset(buf2,0,100); memcpy(buf2,start_p,end_p-start_p); //get the tartget line buf2[end_p-start_p]='\0'; //find value start_p = kstrstr(buf2,"="); if (start_p == NULL) return FALSE; memset(buf1,0,100); strcpy(buf1,start_p+1); //except space tmp_p = buf1; while(*tmp_p != 0x00) { if(*tmp_p==' ') tmp_p++; else break; } memcpy(dest,tmp_p,strlen(tmp_p)); return TRUE; } //if read fail,return NULL,or return data pointer; static unsigned char *Config_FileOperation(PSDevice pDevice) { unsigned char *config_path = CONFIG_PATH; unsigned char *buffer = NULL; struct file *filp=NULL; mm_segment_t old_fs = get_fs(); //int oldfsuid=0,oldfsgid=0; int result = 0; set_fs (KERNEL_DS); /* Can't do this anymore, so we rely on correct filesystem permissions: //Make sure a caller can read or write power as root oldfsuid=current->fsuid; oldfsgid=current->fsgid; current->fsuid = 0; current->fsgid = 0; */ //open file filp = filp_open(config_path, O_RDWR, 0); if (IS_ERR(filp)) { printk("Config_FileOperation file Not exist\n"); result=-1; goto error2; } if(!(filp->f_op) || !(filp->f_op->read) ||!(filp->f_op->write)) { printk("file %s cann't readable or writable?\n",config_path); result = -1; goto error1; } buffer = kmalloc(1024, GFP_KERNEL); if(buffer==NULL) { printk("allocate mem for file fail?\n"); result = -1; goto error1; } if(filp->f_op->read(filp, buffer, 1024, &filp->f_pos)<0) { printk("read file error?\n"); result = -1; } error1: if(filp_close(filp,NULL)) printk("Config_FileOperation:close file fail\n"); error2: set_fs (old_fs); /* current->fsuid=oldfsuid; current->fsgid=oldfsgid; */ if(result!=0) { kfree(buffer); buffer=NULL; } return buffer; } //return --->-1:fail; >=0:successful static int Read_config_file(PSDevice pDevice) { int result = 0; unsigned char tmpbuffer[100]; unsigned char *buffer = NULL; //init config setting pDevice->config_file.ZoneType = -1; pDevice->config_file.eAuthenMode = -1; pDevice->config_file.eEncryptionStatus = -1; buffer = Config_FileOperation(pDevice); if (buffer == NULL) { result =-1; return result; } //get zonetype { memset(tmpbuffer,0,sizeof(tmpbuffer)); if(Config_FileGetParameter("ZONETYPE",tmpbuffer,buffer) ==TRUE) { if(memcmp(tmpbuffer,"USA",3)==0) { pDevice->config_file.ZoneType=ZoneType_USA; } else if(memcmp(tmpbuffer,"JAPAN",5)==0) { pDevice->config_file.ZoneType=ZoneType_Japan; } else if(memcmp(tmpbuffer,"EUROPE",6)==0) { pDevice->config_file.ZoneType=ZoneType_Europe; } else { printk("Unknown Zonetype[%s]?\n",tmpbuffer); } } } //get other parameter { memset(tmpbuffer,0,sizeof(tmpbuffer)); if(Config_FileGetParameter("AUTHENMODE",tmpbuffer,buffer)==TRUE) { pDevice->config_file.eAuthenMode = (int) simple_strtol(tmpbuffer, NULL, 10); } memset(tmpbuffer,0,sizeof(tmpbuffer)); if(Config_FileGetParameter("ENCRYPTIONMODE",tmpbuffer,buffer)==TRUE) { pDevice->config_file.eEncryptionStatus= (int) simple_strtol(tmpbuffer, NULL, 10); } } kfree(buffer); return result; } static void device_set_multi(struct net_device *dev) { PSDevice pDevice = (PSDevice) netdev_priv(dev); PSMgmtObject pMgmt = &(pDevice->sMgmtObj); u32 mc_filter[2]; int ii; struct netdev_hw_addr *ha; BYTE pbyData[8] = {0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff}; BYTE byTmpMode = 0; int rc; spin_lock_irq(&pDevice->lock); rc = CONTROLnsRequestIn(pDevice, MESSAGE_TYPE_READ, MAC_REG_RCR, MESSAGE_REQUEST_MACREG, 1, &byTmpMode ); if (rc == 0) pDevice->byRxMode = byTmpMode; DBG_PRT(MSG_LEVEL_DEBUG, KERN_INFO "pDevice->byRxMode in= %x\n", pDevice->byRxMode); if (dev->flags & IFF_PROMISC) { // Set promiscuous. DBG_PRT(MSG_LEVEL_ERR,KERN_NOTICE "%s: Promiscuous mode enabled.\n", dev->name); // Unconditionally log net taps. pDevice->byRxMode |= (RCR_MULTICAST|RCR_BROADCAST|RCR_UNICAST); } else if ((netdev_mc_count(dev) > pDevice->multicast_limit) || (dev->flags & IFF_ALLMULTI)) { CONTROLnsRequestOut(pDevice, MESSAGE_TYPE_WRITE, MAC_REG_MAR0, MESSAGE_REQUEST_MACREG, 8, pbyData ); pDevice->byRxMode |= (RCR_MULTICAST|RCR_BROADCAST); } else { memset(mc_filter, 0, sizeof(mc_filter)); netdev_for_each_mc_addr(ha, dev) { int bit_nr = ether_crc(ETH_ALEN, ha->addr) >> 26; mc_filter[bit_nr >> 5] |= cpu_to_le32(1 << (bit_nr & 31)); } for (ii = 0; ii < 4; ii++) { MACvWriteMultiAddr(pDevice, ii, *((PBYTE)&mc_filter[0] + ii)); MACvWriteMultiAddr(pDevice, ii+ 4, *((PBYTE)&mc_filter[1] + ii)); } pDevice->byRxMode &= ~(RCR_UNICAST); pDevice->byRxMode |= (RCR_MULTICAST|RCR_BROADCAST); } if (pMgmt->eConfigMode == WMAC_CONFIG_AP) { // If AP mode, don't enable RCR_UNICAST. Since hw only compare addr1 with local mac. pDevice->byRxMode |= (RCR_MULTICAST|RCR_BROADCAST); pDevice->byRxMode &= ~(RCR_UNICAST); } ControlvWriteByte(pDevice, MESSAGE_REQUEST_MACREG, MAC_REG_RCR, pDevice->byRxMode); DBG_PRT(MSG_LEVEL_DEBUG, KERN_INFO "pDevice->byRxMode out= %x\n", pDevice->byRxMode); spin_unlock_irq(&pDevice->lock); } static struct net_device_stats *device_get_stats(struct net_device *dev) { PSDevice pDevice=(PSDevice) netdev_priv(dev); return &pDevice->stats; } static int device_ioctl(struct net_device *dev, struct ifreq *rq, int cmd) { PSDevice pDevice = (PSDevice)netdev_priv(dev); PSMgmtObject pMgmt = &(pDevice->sMgmtObj); PSCmdRequest pReq; //BOOL bCommit = FALSE; struct iwreq *wrq = (struct iwreq *) rq; int rc =0; if (pMgmt == NULL) { rc = -EFAULT; return rc; } switch(cmd) { case SIOCGIWNAME: rc = iwctl_giwname(dev, NULL, (char *)&(wrq->u.name), NULL); break; case SIOCSIWNWID: case SIOCGIWNWID: //0x8b03 support rc = -EOPNOTSUPP; break; // Set frequency/channel case SIOCSIWFREQ: rc = iwctl_siwfreq(dev, NULL, &(wrq->u.freq), NULL); break; // Get frequency/channel case SIOCGIWFREQ: rc = iwctl_giwfreq(dev, NULL, &(wrq->u.freq), NULL); break; // Set desired network name (ESSID) case SIOCSIWESSID: { char essid[IW_ESSID_MAX_SIZE+1]; if (wrq->u.essid.length > IW_ESSID_MAX_SIZE) { rc = -E2BIG; break; } if (copy_from_user(essid, wrq->u.essid.pointer, wrq->u.essid.length)) { rc = -EFAULT; break; } rc = iwctl_siwessid(dev, NULL, &(wrq->u.essid), essid); } break; // Get current network name (ESSID) case SIOCGIWESSID: { char essid[IW_ESSID_MAX_SIZE+1]; if (wrq->u.essid.pointer) { rc = iwctl_giwessid(dev, NULL, &(wrq->u.essid), essid); if (copy_to_user(wrq->u.essid.pointer, essid, wrq->u.essid.length) ) rc = -EFAULT; } } break; case SIOCSIWAP: rc = iwctl_siwap(dev, NULL, &(wrq->u.ap_addr), NULL); break; // Get current Access Point (BSSID) case SIOCGIWAP: rc = iwctl_giwap(dev, NULL, &(wrq->u.ap_addr), NULL); break; // Set desired station name case SIOCSIWNICKN: DBG_PRT(MSG_LEVEL_DEBUG, KERN_INFO " SIOCSIWNICKN \n"); rc = -EOPNOTSUPP; break; // Get current station name case SIOCGIWNICKN: DBG_PRT(MSG_LEVEL_DEBUG, KERN_INFO " SIOCGIWNICKN \n"); rc = -EOPNOTSUPP; break; // Set the desired bit-rate case SIOCSIWRATE: rc = iwctl_siwrate(dev, NULL, &(wrq->u.bitrate), NULL); break; // Get the current bit-rate case SIOCGIWRATE: rc = iwctl_giwrate(dev, NULL, &(wrq->u.bitrate), NULL); break; // Set the desired RTS threshold case SIOCSIWRTS: rc = iwctl_siwrts(dev, NULL, &(wrq->u.rts), NULL); break; // Get the current RTS threshold case SIOCGIWRTS: rc = iwctl_giwrts(dev, NULL, &(wrq->u.rts), NULL); break; // Set the desired fragmentation threshold case SIOCSIWFRAG: rc = iwctl_siwfrag(dev, NULL, &(wrq->u.frag), NULL); break; // Get the current fragmentation threshold case SIOCGIWFRAG: rc = iwctl_giwfrag(dev, NULL, &(wrq->u.frag), NULL); break; // Set mode of operation case SIOCSIWMODE: rc = iwctl_siwmode(dev, NULL, &(wrq->u.mode), NULL); break; // Get mode of operation case SIOCGIWMODE: rc = iwctl_giwmode(dev, NULL, &(wrq->u.mode), NULL); break; // Set WEP keys and mode case SIOCSIWENCODE: { char abyKey[WLAN_WEP232_KEYLEN]; if (wrq->u.encoding.pointer) { if (wrq->u.encoding.length > WLAN_WEP232_KEYLEN) { rc = -E2BIG; break; } memset(abyKey, 0, WLAN_WEP232_KEYLEN); if (copy_from_user(abyKey, wrq->u.encoding.pointer, wrq->u.encoding.length)) { rc = -EFAULT; break; } } else if (wrq->u.encoding.length != 0) { rc = -EINVAL; break; } rc = iwctl_siwencode(dev, NULL, &(wrq->u.encoding), abyKey); } break; // Get the WEP keys and mode case SIOCGIWENCODE: if (!capable(CAP_NET_ADMIN)) { rc = -EPERM; break; } { char abyKey[WLAN_WEP232_KEYLEN]; rc = iwctl_giwencode(dev, NULL, &(wrq->u.encoding), abyKey); if (rc != 0) break; if (wrq->u.encoding.pointer) { if (copy_to_user(wrq->u.encoding.pointer, abyKey, wrq->u.encoding.length)) rc = -EFAULT; } } break; // Get the current Tx-Power case SIOCGIWTXPOW: DBG_PRT(MSG_LEVEL_DEBUG, KERN_INFO " SIOCGIWTXPOW \n"); rc = -EOPNOTSUPP; break; case SIOCSIWTXPOW: DBG_PRT(MSG_LEVEL_DEBUG, KERN_INFO " SIOCGIWTXPOW \n"); rc = -EOPNOTSUPP; break; case SIOCSIWRETRY: rc = iwctl_siwretry(dev, NULL, &(wrq->u.retry), NULL); break; case SIOCGIWRETRY: rc = iwctl_giwretry(dev, NULL, &(wrq->u.retry), NULL); break; // Get range of parameters case SIOCGIWRANGE: { struct iw_range range; rc = iwctl_giwrange(dev, NULL, &(wrq->u.data), (char *) &range); if (copy_to_user(wrq->u.data.pointer, &range, sizeof(struct iw_range))) rc = -EFAULT; } break; case SIOCGIWPOWER: rc = iwctl_giwpower(dev, NULL, &(wrq->u.power), NULL); break; case SIOCSIWPOWER: rc = iwctl_siwpower(dev, NULL, &(wrq->u.power), NULL); break; case SIOCGIWSENS: rc = iwctl_giwsens(dev, NULL, &(wrq->u.sens), NULL); break; case SIOCSIWSENS: DBG_PRT(MSG_LEVEL_DEBUG, KERN_INFO " SIOCSIWSENS \n"); rc = -EOPNOTSUPP; break; case SIOCGIWAPLIST: { char buffer[IW_MAX_AP * (sizeof(struct sockaddr) + sizeof(struct iw_quality))]; if (wrq->u.data.pointer) { rc = iwctl_giwaplist(dev, NULL, &(wrq->u.data), buffer); if (rc == 0) { if (copy_to_user(wrq->u.data.pointer, buffer, (wrq->u.data.length * (sizeof(struct sockaddr) + sizeof(struct iw_quality))) )) rc = -EFAULT; } } } break; #ifdef WIRELESS_SPY // Set the spy list case SIOCSIWSPY: DBG_PRT(MSG_LEVEL_DEBUG, KERN_INFO " SIOCSIWSPY \n"); rc = -EOPNOTSUPP; break; // Get the spy list case SIOCGIWSPY: DBG_PRT(MSG_LEVEL_DEBUG, KERN_INFO " SIOCSIWSPY \n"); rc = -EOPNOTSUPP; break; #endif // WIRELESS_SPY case SIOCGIWPRIV: DBG_PRT(MSG_LEVEL_DEBUG, KERN_INFO " SIOCGIWPRIV \n"); rc = -EOPNOTSUPP; /* if(wrq->u.data.pointer) { wrq->u.data.length = sizeof(iwctl_private_args) / sizeof( iwctl_private_args[0]); if(copy_to_user(wrq->u.data.pointer, (u_char *) iwctl_private_args, sizeof(iwctl_private_args))) rc = -EFAULT; } */ break; #ifdef WPA_SUPPLICANT_DRIVER_WEXT_SUPPORT case SIOCSIWAUTH: DBG_PRT(MSG_LEVEL_DEBUG, KERN_INFO " SIOCSIWAUTH\n"); rc = iwctl_siwauth(dev, NULL, &(wrq->u.param), NULL); break; case SIOCGIWAUTH: DBG_PRT(MSG_LEVEL_DEBUG, KERN_INFO " SIOCGIWAUTH \n"); rc = iwctl_giwauth(dev, NULL, &(wrq->u.param), NULL); break; case SIOCSIWGENIE: DBG_PRT(MSG_LEVEL_DEBUG, KERN_INFO " SIOCSIWGENIE \n"); rc = iwctl_siwgenie(dev, NULL, &(wrq->u.data), wrq->u.data.pointer); break; case SIOCGIWGENIE: DBG_PRT(MSG_LEVEL_DEBUG, KERN_INFO " SIOCGIWGENIE \n"); rc = iwctl_giwgenie(dev, NULL, &(wrq->u.data), wrq->u.data.pointer); break; case SIOCSIWENCODEEXT: { char extra[sizeof(struct iw_encode_ext)+MAX_KEY_LEN+1]; DBG_PRT(MSG_LEVEL_DEBUG, KERN_INFO " SIOCSIWENCODEEXT \n"); if(wrq->u.encoding.pointer){ memset(extra, 0, sizeof(struct iw_encode_ext)+MAX_KEY_LEN+1); if(wrq->u.encoding.length > (sizeof(struct iw_encode_ext)+ MAX_KEY_LEN)){ rc = -E2BIG; break; } if(copy_from_user(extra, wrq->u.encoding.pointer,wrq->u.encoding.length)){ rc = -EFAULT; break; } }else if(wrq->u.encoding.length != 0){ rc = -EINVAL; break; } rc = iwctl_siwencodeext(dev, NULL, &(wrq->u.encoding), extra); } break; case SIOCGIWENCODEEXT: DBG_PRT(MSG_LEVEL_DEBUG, KERN_INFO " SIOCGIWENCODEEXT \n"); rc = iwctl_giwencodeext(dev, NULL, &(wrq->u.encoding), NULL); break; case SIOCSIWMLME: DBG_PRT(MSG_LEVEL_DEBUG, KERN_INFO " SIOCSIWMLME \n"); rc = iwctl_siwmlme(dev, NULL, &(wrq->u.data), wrq->u.data.pointer); break; #endif // #ifdef WPA_SUPPLICANT_DRIVER_WEXT_SUPPORT case IOCTL_CMD_TEST: if (!(pDevice->flags & DEVICE_FLAGS_OPENED)) { rc = -EFAULT; break; } else { rc = 0; } pReq = (PSCmdRequest)rq; //20080130-01, by Mike Liu // if(pDevice->bLinkPass==TRUE) pReq->wResult = MAGIC_CODE; //Linking status:0x3142 //20080130-02, by Mike Liu // else // pReq->wResult = MAGIC_CODE+1; //disconnect status:0x3143 break; case IOCTL_CMD_SET: if (!(pDevice->flags & DEVICE_FLAGS_OPENED) && (((PSCmdRequest)rq)->wCmdCode !=WLAN_CMD_SET_WPA)) { rc = -EFAULT; break; } else { rc = 0; } if (test_and_set_bit( 0, (void*)&(pMgmt->uCmdBusy))) { return -EBUSY; } rc = private_ioctl(pDevice, rq); clear_bit( 0, (void*)&(pMgmt->uCmdBusy)); break; case IOCTL_CMD_HOSTAPD: if (!(pDevice->flags & DEVICE_FLAGS_OPENED)) { rc = -EFAULT; break; } else { rc = 0; } rc = vt6656_hostap_ioctl(pDevice, &wrq->u.data); break; case IOCTL_CMD_WPA: if (!(pDevice->flags & DEVICE_FLAGS_OPENED)) { rc = -EFAULT; break; } else { rc = 0; } rc = wpa_ioctl(pDevice, &wrq->u.data); break; case SIOCETHTOOL: return ethtool_ioctl(dev, (void *) rq->ifr_data); // All other calls are currently unsupported default: rc = -EOPNOTSUPP; DBG_PRT(MSG_LEVEL_DEBUG, KERN_INFO "Ioctl command not support..%x\n", cmd); } if (pDevice->bCommit) { if (pMgmt->eConfigMode == WMAC_CONFIG_AP) { netif_stop_queue(pDevice->dev); spin_lock_irq(&pDevice->lock); bScheduleCommand((void *) pDevice, WLAN_CMD_RUN_AP, NULL); spin_unlock_irq(&pDevice->lock); } else { DBG_PRT(MSG_LEVEL_DEBUG, KERN_INFO "Commit the settings\n"); spin_lock_irq(&pDevice->lock); //2007-1121-01by EinsnLiu if (pDevice->bLinkPass && memcmp(pMgmt->abyCurrSSID,pMgmt->abyDesireSSID,WLAN_IEHDR_LEN + WLAN_SSID_MAXLEN)) { bScheduleCommand((void *) pDevice, WLAN_CMD_DISASSOCIATE, NULL); } else { pDevice->bLinkPass = FALSE; pMgmt->eCurrState = WMAC_STATE_IDLE; memset(pMgmt->abyCurrBSSID, 0, 6); } ControlvMaskByte(pDevice,MESSAGE_REQUEST_MACREG,MAC_REG_PAPEDELAY,LEDSTS_STS,LEDSTS_SLOW); //End Modify netif_stop_queue(pDevice->dev); #ifdef WPA_SUPPLICANT_DRIVER_WEXT_SUPPORT pMgmt->eScanType = WMAC_SCAN_ACTIVE; if (!pDevice->bWPASuppWextEnabled) #endif bScheduleCommand((void *) pDevice, WLAN_CMD_BSSID_SCAN, pMgmt->abyDesireSSID); bScheduleCommand((void *) pDevice, WLAN_CMD_SSID, NULL); spin_unlock_irq(&pDevice->lock); } pDevice->bCommit = FALSE; } return rc; } static int ethtool_ioctl(struct net_device *dev, void *useraddr) { u32 ethcmd; if (copy_from_user(ðcmd, useraddr, sizeof(ethcmd))) return -EFAULT; switch (ethcmd) { case ETHTOOL_GDRVINFO: { struct ethtool_drvinfo info = {ETHTOOL_GDRVINFO}; strncpy(info.driver, DEVICE_NAME, sizeof(info.driver)-1); strncpy(info.version, DEVICE_VERSION, sizeof(info.version)-1); if (copy_to_user(useraddr, &info, sizeof(info))) return -EFAULT; return 0; } } return -EOPNOTSUPP; } /*------------------------------------------------------------------*/ MODULE_DEVICE_TABLE(usb, vt6656_table); static struct usb_driver vt6656_driver = { .name = DEVICE_NAME, .probe = vt6656_probe, .disconnect = vt6656_disconnect, .id_table = vt6656_table, #ifdef CONFIG_PM .suspend = vt6656_suspend, .resume = vt6656_resume, #endif /* CONFIG_PM */ }; module_usb_driver(vt6656_driver);