diff options
Diffstat (limited to 'drivers/staging/vt6656/main_usb.c')
| -rw-r--r-- | drivers/staging/vt6656/main_usb.c | 1490 |
1 files changed, 1490 insertions, 0 deletions
diff --git a/drivers/staging/vt6656/main_usb.c b/drivers/staging/vt6656/main_usb.c new file mode 100644 index 00000000..06b966cf --- /dev/null +++ b/drivers/staging/vt6656/main_usb.c @@ -0,0 +1,1490 @@ +/* + * 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 - asynchronous data tx function + * device_set_multi - set mac filter + * device_ioctl - ioctl entry + * device_close - shutdown mac/bbp & free dma/descriptor 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 buffered 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 <linux/file.h> +#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 "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 int msglevel = MSG_LEVEL_DEBUG; */ +static int msglevel =MSG_LEVEL_INFO; + +/* + * define module options + */ + +/* version information */ +#define DRIVER_AUTHOR \ + "VIA Networking Technologies, Inc., <lyndonchen@vntek.com.tw>" +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_DEF0 64 +DEVICE_PARAM(RxDescriptors0,"Number of receive usb desc buffer"); + +#define TX_DESC_DEF0 64 +DEVICE_PARAM(TxDescriptors0,"Number of transmit usb desc buffer"); + +#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_DEF 2347 +DEVICE_PARAM(RTSThreshold, "RTS threshold"); + +#define FRAG_THRESH_DEF 2346 +DEVICE_PARAM(FragThreshold, "Fragmentation threshold"); + +#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_DEF 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_DEF 8 +DEVICE_PARAM(ShortRetryLimit, "Short frame retry limits"); + +#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_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[] = { + {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 + }; + +static const struct iw_handler_def iwctl_handler_def; +*/ + +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 int device_init_registers(struct vnt_private *pDevice, + DEVICE_INIT_TYPE InitType); +static bool device_init_defrag_cb(struct vnt_private *pDevice); +static void device_init_diversity_timer(struct vnt_private *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(struct vnt_private *pDevice); +static void device_free_rx_bufs(struct vnt_private *pDevice); +static void device_free_int_bufs(struct vnt_private *pDevice); +static void device_free_frag_bufs(struct vnt_private *pDevice); +static bool device_alloc_bufs(struct vnt_private *pDevice); + +static int Read_config_file(struct vnt_private *pDevice); +static unsigned char *Config_FileOperation(struct vnt_private *pDevice); +static int Config_FileGetParameter(unsigned char *string, + unsigned char *dest, + unsigned char *source); + +static void usb_device_reset(struct vnt_private *pDevice); + +static void +device_set_options(struct vnt_private *pDevice) { + + 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}; + + 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(struct vnt_private *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; +} + +/* + * initialization of MAC & BBP registers + */ + +static int device_init_registers(struct vnt_private *pDevice, + DEVICE_INIT_TYPE InitType) +{ + struct vnt_manager *pMgmt = &pDevice->vnt_mgmt; + 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}; + u8 byAntenna; + int ii; + CMD_CARD_INIT sInitCmd; + int ntStatus = STATUS_SUCCESS; + RSP_CARD_INIT sInitRsp; + u8 byTmp; + u8 byCalibTXIQ = 0, byCalibTXDC = 0, 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 = (u8)InitType; + sInitCmd.bExistSWNetAddr = (u8) 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), + (u8 *) &(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), (u8 *) &(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 = (u16) 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 custom zonetype is Europe, + * then need to recover 12, 13, 14 channels 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]; + } + } + + pDevice->byOFDMPwrA = 0x34; /* same as RFbMA2829SelectChannel */ + + /* load OFDM A power table */ + for (ii = 0; ii < CB_MAX_CHANNEL_5G; ii++) { + pDevice->abyOFDMAPwrTbl[ii] = pDevice->abyEEPROM[ii + EEP_OFS_OFDMA_PWR_TBL]; + if (pDevice->abyOFDMAPwrTbl[ii] == 0) + pDevice->abyOFDMAPwrTbl[ii] = pDevice->byOFDMPwrA; + } + + 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 both */ + 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 vt3266 calibration parameters in EEPROM */ + 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) ) { + /* CR255, enable TX/RX IQ and DC compensation mode */ + ControlvWriteByte(pDevice, + MESSAGE_REQUEST_BBREG, + 0xFF, + 0x03); + /* CR251, TX I/Q Imbalance Calibration */ + ControlvWriteByte(pDevice, + MESSAGE_REQUEST_BBREG, + 0xFB, + byCalibTXIQ); + /* CR252, TX DC-Offset Calibration */ + ControlvWriteByte(pDevice, + MESSAGE_REQUEST_BBREG, + 0xFC, + byCalibTXDC); + /* CR253, RX I/Q Imbalance Calibration */ + ControlvWriteByte(pDevice, + MESSAGE_REQUEST_BBREG, + 0xFD, + byCalibRXIQ); + } else { + /* CR255, turn off BB Calibration compensation */ + ControlvWriteByte(pDevice, + MESSAGE_REQUEST_BBREG, + 0xFF, + 0x0); + } + } + } + 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 it */ + 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; + } + + } + + 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; +} + +#ifdef CONFIG_PM /* Minimal support for suspend and resume */ + +static int vt6656_suspend(struct usb_interface *intf, pm_message_t message) +{ + struct vnt_private *device = usb_get_intfdata(intf); + + if (!device || !device->dev) + return -ENODEV; + + if (device->flags & DEVICE_FLAGS_OPENED) + device_close(device->dev); + + return 0; +} + +static int vt6656_resume(struct usb_interface *intf) +{ + struct vnt_private *device = usb_get_intfdata(intf); + + if (!device || !device->dev) + return -ENODEV; + + 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 +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; + struct vnt_private *pDevice; + + 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(struct vnt_private)); + 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(struct vnt_private)); + + pDevice->dev = netdev; + pDevice->usb = udev; + + device_set_options(pDevice); + spin_lock_init(&pDevice->lock); + + pDevice->tx_80211 = device_dma0_tx_80211; + pDevice->vnt_mgmt.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); + + return 0; + +err_netdev: + free_netdev(netdev); +err_nomem: + usb_put_dev(udev); + + return rc; +} + +static void device_free_tx_bufs(struct vnt_private *pDevice) +{ + PUSB_SEND_CONTEXT pTxContext; + int ii; + + for (ii = 0; ii < pDevice->cbTD; ii++) { + + pTxContext = pDevice->apTD[ii]; + /* deallocate URBs */ + if (pTxContext->pUrb) { + usb_kill_urb(pTxContext->pUrb); + usb_free_urb(pTxContext->pUrb); + } + kfree(pTxContext); + } + return; +} + +static void device_free_rx_bufs(struct vnt_private *pDevice) +{ + PRCB pRCB; + int ii; + + for (ii = 0; ii < pDevice->cbRD; ii++) { + + pRCB = pDevice->apRCB[ii]; + /* deallocate URBs */ + if (pRCB->pUrb) { + usb_kill_urb(pRCB->pUrb); + usb_free_urb(pRCB->pUrb); + } + /* deallocate skb */ + if (pRCB->skb) + dev_kfree_skb(pRCB->skb); + } + kfree(pDevice->pRCBMem); + + return; +} + +static void usb_device_reset(struct vnt_private *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(struct vnt_private *pDevice) +{ + kfree(pDevice->intBuf.pDataBuf); + return; +} + +static bool device_alloc_bufs(struct vnt_private *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(struct vnt_private *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(struct vnt_private *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); + } +} + +int device_alloc_frag_buf(struct vnt_private *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) +{ + struct vnt_private *pDevice = netdev_priv(dev); + + 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 defragment 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->vnt_mgmt.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->vnt_mgmt.sTimerSecondCallback); + pDevice->int_interval = 100; /* max 100 microframes */ + pDevice->eEncryptionStatus = Ndis802_11EncryptionDisabled; + + pDevice->bIsRxWorkItemQueued = true; + pDevice->fKillEventPollingThread = false; + pDevice->bEventAvailable = false; + + pDevice->bWPADEVUp = false; + pDevice->bwextstep0 = false; + pDevice->bwextstep1 = false; + pDevice->bwextstep2 = false; + pDevice->bwextstep3 = false; + pDevice->bWPASuppWextEnabled = false; + pDevice->byReAssocCount = 0; + + RXvWorkItem(pDevice); + INTvWorkItem(pDevice); + + /* 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->vnt_mgmt.eConfigMode == WMAC_CONFIG_AP) + bScheduleCommand((void *) pDevice, WLAN_CMD_RUN_AP, NULL); + else + bScheduleCommand((void *) pDevice, WLAN_CMD_BSSID_SCAN, NULL); + + netif_stop_queue(pDevice->dev); + pDevice->flags |= DEVICE_FLAGS_OPENED; + + 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) +{ + struct vnt_private *pDevice = netdev_priv(dev); + struct vnt_manager *pMgmt = &pDevice->vnt_mgmt; + int uu; + + DBG_PRT(MSG_LEVEL_DEBUG, KERN_INFO "device_close1\n"); + if (pDevice == NULL) + return -ENODEV; + + if (pDevice->bLinkPass) { + bScheduleCommand((void *) pDevice, WLAN_CMD_DISASSOCIATE, NULL); + mdelay(30); + } + + 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; + + pDevice->flags &= ~DEVICE_FLAGS_OPENED; + + 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); + + DBG_PRT(MSG_LEVEL_DEBUG, KERN_INFO "device_close2 \n"); + + return 0; +} + +static void vt6656_disconnect(struct usb_interface *intf) +{ + struct vnt_private *device = usb_get_intfdata(intf); + + if (!device) + return; + + usb_set_intfdata(intf, NULL); + usb_put_dev(interface_to_usbdev(intf)); + + device->flags |= DEVICE_FLAGS_UNPLUG; + + if (device->dev) { + unregister_netdev(device->dev); + free_netdev(device->dev); + } + +} + +static int device_dma0_tx_80211(struct sk_buff *skb, struct net_device *dev) +{ + struct vnt_private *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) +{ + struct vnt_private *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 target 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 fails, return NULL, or return data pointer */ +static unsigned char *Config_FileOperation(struct vnt_private *pDevice) +{ + unsigned char *buffer = kmalloc(1024, GFP_KERNEL); + struct file *file; + + if (!buffer) { + printk("allocate mem for file fail?\n"); + return NULL; + } + + file = filp_open(CONFIG_PATH, O_RDONLY, 0); + if (IS_ERR(file)) { + kfree(buffer); + printk("Config_FileOperation file Not exist\n"); + return NULL; + } + + if (kernel_read(file, 0, buffer, 1024) < 0) { + printk("read file error?\n"); + kfree(buffer); + buffer = NULL; + } + + fput(file); + return buffer; +} + +/* return --->-1:fail; >=0:successful */ +static int Read_config_file(struct vnt_private *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) +{ + struct vnt_private *pDevice = netdev_priv(dev); + struct vnt_manager *pMgmt = &pDevice->vnt_mgmt; + struct netdev_hw_addr *ha; + u32 mc_filter[2]; + int ii; + u8 pbyData[8] = {0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff}; + u8 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 mode */ + 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, *((u8 *)&mc_filter[0] + ii)); + MACvWriteMultiAddr(pDevice, ii+ 4, *((u8 *)&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 compares + * 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) +{ + struct vnt_private *pDevice = netdev_priv(dev); + + return &pDevice->stats; +} + +static int device_ioctl(struct net_device *dev, struct ifreq *rq, int cmd) +{ + struct vnt_private *pDevice = netdev_priv(dev); + struct iwreq *wrq = (struct iwreq *) rq; + int rc = 0; + + switch (cmd) { + + case IOCTL_CMD_HOSTAPD: + + if (!(pDevice->flags & DEVICE_FLAGS_OPENED)) + rc = -EFAULT; + + rc = vt6656_hostap_ioctl(pDevice, &wrq->u.data); + break; + + case SIOCETHTOOL: + return ethtool_ioctl(dev, (void *) rq->ifr_data); + + } + + 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); 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