/* ************************************************************************* * Ralink Tech Inc. * 5F., No.36, Taiyuan St., Jhubei City, * Hsinchu County 302, * Taiwan, R.O.C. * * (c) Copyright 2002-2007, Ralink Technology, Inc. * * 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., * * 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. * * * ************************************************************************* Module Name: rt_main_dev.c Abstract: Create and register network interface. Revision History: Who When What -------- ---------- ---------------------------------------------- Sample Mar/21/07 Merge RT2870 and RT2860 drivers. */ #include "rt_config.h" #define FORTY_MHZ_INTOLERANT_INTERVAL (60*1000) // 1 min #ifdef MULTIPLE_CARD_SUPPORT // record whether the card in the card list is used in the card file UINT8 MC_CardUsed[MAX_NUM_OF_MULTIPLE_CARD]; // record used card mac address in the card list static UINT8 MC_CardMac[MAX_NUM_OF_MULTIPLE_CARD][6]; #endif // MULTIPLE_CARD_SUPPORT // #ifdef CONFIG_APSTA_MIXED_SUPPORT UINT32 CW_MAX_IN_BITS; #endif // CONFIG_APSTA_MIXED_SUPPORT // /*---------------------------------------------------------------------*/ /* Private Variables Used */ /*---------------------------------------------------------------------*/ //static RALINK_TIMER_STRUCT PeriodicTimer; char *mac = ""; // default 00:00:00:00:00:00 char *hostname = ""; // default CMPC #if LINUX_VERSION_CODE <= KERNEL_VERSION(2,6,12) MODULE_PARM (mac, "s"); #else module_param (mac, charp, 0); #endif MODULE_PARM_DESC (mac, "rt28xx: wireless mac addr"); /*---------------------------------------------------------------------*/ /* Prototypes of Functions Used */ /*---------------------------------------------------------------------*/ #ifdef DOT11_N_SUPPORT extern BOOLEAN ba_reordering_resource_init(PRTMP_ADAPTER pAd, int num); extern void ba_reordering_resource_release(PRTMP_ADAPTER pAd); #endif // DOT11_N_SUPPORT // extern NDIS_STATUS NICLoadRateSwitchingParams(IN PRTMP_ADAPTER pAd); #ifdef RT2860 extern void init_thread_task(PRTMP_ADAPTER pAd); #endif // RT2860 // // public function prototype INT __devinit rt28xx_probe(IN void *_dev_p, IN void *_dev_id_p, IN UINT argc, OUT PRTMP_ADAPTER *ppAd); // private function prototype static int rt28xx_init(IN struct net_device *net_dev); INT rt28xx_send_packets(IN struct sk_buff *skb_p, IN struct net_device *net_dev); #if LINUX_VERSION_CODE <= 0x20402 // Red Hat 7.1 struct net_device *alloc_netdev( int sizeof_priv, const char *mask, void (*setup)(struct net_device *)); #endif // LINUX_VERSION_CODE // static void CfgInitHook(PRTMP_ADAPTER pAd); #ifdef CONFIG_STA_SUPPORT extern const struct iw_handler_def rt28xx_iw_handler_def; #endif // CONFIG_STA_SUPPORT // #ifdef CONFIG_APSTA_MIXED_SUPPORT extern const struct iw_handler_def rt28xx_ap_iw_handler_def; #endif // CONFIG_APSTA_MIXED_SUPPORT // #if WIRELESS_EXT >= 12 // This function will be called when query /proc struct iw_statistics *rt28xx_get_wireless_stats( IN struct net_device *net_dev); #endif struct net_device_stats *RT28xx_get_ether_stats( IN struct net_device *net_dev); /* ======================================================================== Routine Description: Close raxx interface. Arguments: *net_dev the raxx interface pointer Return Value: 0 Open OK otherwise Open Fail Note: 1. if open fail, kernel will not call the close function. 2. Free memory for (1) Mlme Memory Handler: MlmeHalt() (2) TX & RX: RTMPFreeTxRxRingMemory() (3) BA Reordering: ba_reordering_resource_release() ======================================================================== */ int MainVirtualIF_close(IN struct net_device *net_dev) { RTMP_ADAPTER *pAd = net_dev->ml_priv; // Sanity check for pAd if (pAd == NULL) return 0; // close ok netif_carrier_off(pAd->net_dev); netif_stop_queue(pAd->net_dev); VIRTUAL_IF_DOWN(pAd); RT_MOD_DEC_USE_COUNT(); return 0; // close ok } /* ======================================================================== Routine Description: Open raxx interface. Arguments: *net_dev the raxx interface pointer Return Value: 0 Open OK otherwise Open Fail Note: 1. if open fail, kernel will not call the close function. 2. Free memory for (1) Mlme Memory Handler: MlmeHalt() (2) TX & RX: RTMPFreeTxRxRingMemory() (3) BA Reordering: ba_reordering_resource_release() ======================================================================== */ int MainVirtualIF_open(IN struct net_device *net_dev) { RTMP_ADAPTER *pAd = net_dev->ml_priv; // Sanity check for pAd if (pAd == NULL) return 0; // close ok if (VIRTUAL_IF_UP(pAd) != 0) return -1; // increase MODULE use count RT_MOD_INC_USE_COUNT(); netif_start_queue(net_dev); netif_carrier_on(net_dev); netif_wake_queue(net_dev); return 0; } /* ======================================================================== Routine Description: Close raxx interface. Arguments: *net_dev the raxx interface pointer Return Value: 0 Open OK otherwise Open Fail Note: 1. if open fail, kernel will not call the close function. 2. Free memory for (1) Mlme Memory Handler: MlmeHalt() (2) TX & RX: RTMPFreeTxRxRingMemory() (3) BA Reordering: ba_reordering_resource_release() ======================================================================== */ int rt28xx_close(IN PNET_DEV dev) { struct net_device * net_dev = (struct net_device *)dev; RTMP_ADAPTER *pAd = net_dev->ml_priv; BOOLEAN Cancelled = FALSE; UINT32 i = 0; DBGPRINT(RT_DEBUG_TRACE, ("===> rt28xx_close\n")); // Sanity check for pAd if (pAd == NULL) return 0; // close ok #ifdef WDS_SUPPORT WdsDown(pAd); #endif // WDS_SUPPORT // #ifdef CONFIG_STA_SUPPORT IF_DEV_CONFIG_OPMODE_ON_STA(pAd) { #ifdef RT2860 RTMPPCIeLinkCtrlValueRestore(pAd, RESTORE_CLOSE); #endif // RT2860 // // If dirver doesn't wake up firmware here, // NICLoadFirmware will hang forever when interface is up again. if (OPSTATUS_TEST_FLAG(pAd, fOP_STATUS_DOZE)) { AsicForceWakeup(pAd, TRUE); } #ifdef QOS_DLS_SUPPORT // send DLS-TEAR_DOWN message, if (pAd->CommonCfg.bDLSCapable) { UCHAR i; // tear down local dls table entry for (i=0; iStaCfg.DLSEntry[i].Valid && (pAd->StaCfg.DLSEntry[i].Status == DLS_FINISH)) { RTMPSendDLSTearDownFrame(pAd, pAd->StaCfg.DLSEntry[i].MacAddr); pAd->StaCfg.DLSEntry[i].Status = DLS_NONE; pAd->StaCfg.DLSEntry[i].Valid = FALSE; } } // tear down peer dls table entry for (i=MAX_NUM_OF_INIT_DLS_ENTRY; iStaCfg.DLSEntry[i].Valid && (pAd->StaCfg.DLSEntry[i].Status == DLS_FINISH)) { RTMPSendDLSTearDownFrame(pAd, pAd->StaCfg.DLSEntry[i].MacAddr); pAd->StaCfg.DLSEntry[i].Status = DLS_NONE; pAd->StaCfg.DLSEntry[i].Valid = FALSE; } } RT28XX_MLME_HANDLER(pAd); } #endif // QOS_DLS_SUPPORT // if (INFRA_ON(pAd) && (!RTMP_TEST_FLAG(pAd, fRTMP_ADAPTER_NIC_NOT_EXIST))) { MLME_DISASSOC_REQ_STRUCT DisReq; MLME_QUEUE_ELEM *MsgElem = (MLME_QUEUE_ELEM *) kmalloc(sizeof(MLME_QUEUE_ELEM), MEM_ALLOC_FLAG); COPY_MAC_ADDR(DisReq.Addr, pAd->CommonCfg.Bssid); DisReq.Reason = REASON_DEAUTH_STA_LEAVING; MsgElem->Machine = ASSOC_STATE_MACHINE; MsgElem->MsgType = MT2_MLME_DISASSOC_REQ; MsgElem->MsgLen = sizeof(MLME_DISASSOC_REQ_STRUCT); NdisMoveMemory(MsgElem->Msg, &DisReq, sizeof(MLME_DISASSOC_REQ_STRUCT)); // Prevent to connect AP again in STAMlmePeriodicExec pAd->MlmeAux.AutoReconnectSsidLen= 32; NdisZeroMemory(pAd->MlmeAux.AutoReconnectSsid, pAd->MlmeAux.AutoReconnectSsidLen); pAd->Mlme.CntlMachine.CurrState = CNTL_WAIT_OID_DISASSOC; MlmeDisassocReqAction(pAd, MsgElem); kfree(MsgElem); RTMPusecDelay(1000); } #ifdef CCX_SUPPORT RTMPCancelTimer(&pAd->StaCfg.LeapAuthTimer, &Cancelled); #endif RTMPCancelTimer(&pAd->StaCfg.StaQuickResponeForRateUpTimer, &Cancelled); RTMPCancelTimer(&pAd->StaCfg.WpaDisassocAndBlockAssocTimer, &Cancelled); #ifdef WPA_SUPPLICANT_SUPPORT #ifndef NATIVE_WPA_SUPPLICANT_SUPPORT { union iwreq_data wrqu; // send wireless event to wpa_supplicant for infroming interface down. memset(&wrqu, 0, sizeof(wrqu)); wrqu.data.flags = RT_INTERFACE_DOWN; wireless_send_event(pAd->net_dev, IWEVCUSTOM, &wrqu, NULL); } #endif // NATIVE_WPA_SUPPLICANT_SUPPORT // #endif // WPA_SUPPLICANT_SUPPORT // MlmeRadioOff(pAd); #ifdef RT2860 pAd->bPCIclkOff = FALSE; #endif // RT2860 // } #endif // CONFIG_STA_SUPPORT // RTMP_SET_FLAG(pAd, fRTMP_ADAPTER_HALT_IN_PROGRESS); for (i = 0 ; i < NUM_OF_TX_RING; i++) { while (pAd->DeQueueRunning[i] == TRUE) { printk("Waiting for TxQueue[%d] done..........\n", i); RTMPusecDelay(1000); } } // Stop Mlme state machine MlmeHalt(pAd); // Close kernel threads or tasklets kill_thread_task(pAd); #ifdef CONFIG_STA_SUPPORT IF_DEV_CONFIG_OPMODE_ON_STA(pAd) { MacTableReset(pAd); } #endif // CONFIG_STA_SUPPORT // MeasureReqTabExit(pAd); TpcReqTabExit(pAd); #ifdef RT2860 if (RTMP_TEST_FLAG(pAd, fRTMP_ADAPTER_INTERRUPT_ACTIVE)) { NICDisableInterrupt(pAd); } // Disable Rx, register value supposed will remain after reset NICIssueReset(pAd); // Free IRQ if (RTMP_TEST_FLAG(pAd, fRTMP_ADAPTER_INTERRUPT_IN_USE)) { // Deregister interrupt function RT28XX_IRQ_RELEASE(net_dev) RTMP_CLEAR_FLAG(pAd, fRTMP_ADAPTER_INTERRUPT_IN_USE); } #endif // RT2860 // // Free Ring or USB buffers RTMPFreeTxRxRingMemory(pAd); RTMP_CLEAR_FLAG(pAd, fRTMP_ADAPTER_HALT_IN_PROGRESS); #ifdef DOT11_N_SUPPORT // Free BA reorder resource ba_reordering_resource_release(pAd); #endif // DOT11_N_SUPPORT // RTMP_CLEAR_FLAG(pAd, fRTMP_ADAPTER_START_UP); return 0; // close ok } /* End of rt28xx_close */ static int rt28xx_init(IN struct net_device *net_dev) { PRTMP_ADAPTER pAd = (PRTMP_ADAPTER)net_dev->ml_priv; UINT index; UCHAR TmpPhy; NDIS_STATUS Status; UINT32 MacCsr0 = 0; #ifdef DOT11_N_SUPPORT // Allocate BA Reordering memory ba_reordering_resource_init(pAd, MAX_REORDERING_MPDU_NUM); #endif // DOT11_N_SUPPORT // // Make sure MAC gets ready. index = 0; do { RTMP_IO_READ32(pAd, MAC_CSR0, &MacCsr0); pAd->MACVersion = MacCsr0; if ((pAd->MACVersion != 0x00) && (pAd->MACVersion != 0xFFFFFFFF)) break; RTMPusecDelay(10); } while (index++ < 100); DBGPRINT(RT_DEBUG_TRACE, ("MAC_CSR0 [ Ver:Rev=0x%08x]\n", pAd->MACVersion)); // Disable DMA RT28XXDMADisable(pAd); // Load 8051 firmware Status = NICLoadFirmware(pAd); if (Status != NDIS_STATUS_SUCCESS) { DBGPRINT_ERR(("NICLoadFirmware failed, Status[=0x%08x]\n", Status)); goto err1; } NICLoadRateSwitchingParams(pAd); // Disable interrupts here which is as soon as possible // This statement should never be true. We might consider to remove it later #ifdef RT2860 if (RTMP_TEST_FLAG(pAd, fRTMP_ADAPTER_INTERRUPT_ACTIVE)) { NICDisableInterrupt(pAd); } #endif // RT2860 // Status = RTMPAllocTxRxRingMemory(pAd); if (Status != NDIS_STATUS_SUCCESS) { DBGPRINT_ERR(("RTMPAllocDMAMemory failed, Status[=0x%08x]\n", Status)); goto err1; } RTMP_SET_FLAG(pAd, fRTMP_ADAPTER_INTERRUPT_IN_USE); // initialize MLME // Status = MlmeInit(pAd); if (Status != NDIS_STATUS_SUCCESS) { DBGPRINT_ERR(("MlmeInit failed, Status[=0x%08x]\n", Status)); goto err2; } // Initialize pAd->StaCfg, pAd->ApCfg, pAd->CommonCfg to manufacture default // UserCfgInit(pAd); RT28XX_TASK_THREAD_INIT(pAd, Status); if (Status != NDIS_STATUS_SUCCESS) goto err1; CfgInitHook(pAd); #ifdef BLOCK_NET_IF initblockQueueTab(pAd); #endif // BLOCK_NET_IF // #ifdef CONFIG_STA_SUPPORT IF_DEV_CONFIG_OPMODE_ON_STA(pAd) NdisAllocateSpinLock(&pAd->MacTabLock); #endif // CONFIG_STA_SUPPORT // MeasureReqTabInit(pAd); TpcReqTabInit(pAd); // // Init the hardware, we need to init asic before read registry, otherwise mac register will be reset // Status = NICInitializeAdapter(pAd, TRUE); if (Status != NDIS_STATUS_SUCCESS) { DBGPRINT_ERR(("NICInitializeAdapter failed, Status[=0x%08x]\n", Status)); if (Status != NDIS_STATUS_SUCCESS) goto err3; } // Read parameters from Config File Status = RTMPReadParametersHook(pAd); printk("1. Phy Mode = %d\n", pAd->CommonCfg.PhyMode); if (Status != NDIS_STATUS_SUCCESS) { DBGPRINT_ERR(("NICReadRegParameters failed, Status[=0x%08x]\n",Status)); goto err4; } //Init Ba Capability parameters. #ifdef DOT11_N_SUPPORT pAd->CommonCfg.DesiredHtPhy.MpduDensity = (UCHAR)pAd->CommonCfg.BACapability.field.MpduDensity; pAd->CommonCfg.DesiredHtPhy.AmsduEnable = (USHORT)pAd->CommonCfg.BACapability.field.AmsduEnable; pAd->CommonCfg.DesiredHtPhy.AmsduSize = (USHORT)pAd->CommonCfg.BACapability.field.AmsduSize; pAd->CommonCfg.DesiredHtPhy.MimoPs = (USHORT)pAd->CommonCfg.BACapability.field.MMPSmode; // UPdata to HT IE pAd->CommonCfg.HtCapability.HtCapInfo.MimoPs = (USHORT)pAd->CommonCfg.BACapability.field.MMPSmode; pAd->CommonCfg.HtCapability.HtCapInfo.AMsduSize = (USHORT)pAd->CommonCfg.BACapability.field.AmsduSize; pAd->CommonCfg.HtCapability.HtCapParm.MpduDensity = (UCHAR)pAd->CommonCfg.BACapability.field.MpduDensity; #endif // DOT11_N_SUPPORT // printk("2. Phy Mode = %d\n", pAd->CommonCfg.PhyMode); // We should read EEPROM for all cases. rt2860b NICReadEEPROMParameters(pAd, mac); printk("3. Phy Mode = %d\n", pAd->CommonCfg.PhyMode); NICInitAsicFromEEPROM(pAd); //rt2860b // Set PHY to appropriate mode TmpPhy = pAd->CommonCfg.PhyMode; pAd->CommonCfg.PhyMode = 0xff; RTMPSetPhyMode(pAd, TmpPhy); #ifdef DOT11_N_SUPPORT SetCommonHT(pAd); #endif // DOT11_N_SUPPORT // // No valid channels. if (pAd->ChannelListNum == 0) { printk("Wrong configuration. No valid channel found. Check \"ContryCode\" and \"ChannelGeography\" setting.\n"); goto err4; } #ifdef DOT11_N_SUPPORT printk("MCS Set = %02x %02x %02x %02x %02x\n", pAd->CommonCfg.HtCapability.MCSSet[0], pAd->CommonCfg.HtCapability.MCSSet[1], pAd->CommonCfg.HtCapability.MCSSet[2], pAd->CommonCfg.HtCapability.MCSSet[3], pAd->CommonCfg.HtCapability.MCSSet[4]); #endif // DOT11_N_SUPPORT // #ifdef IKANOS_VX_1X0 VR_IKANOS_FP_Init(pAd->ApCfg.BssidNum, pAd->PermanentAddress); #endif // IKANOS_VX_1X0 // // // Initialize RF register to default value // AsicSwitchChannel(pAd, pAd->CommonCfg.Channel, FALSE); AsicLockChannel(pAd, pAd->CommonCfg.Channel); // 8051 firmware require the signal during booting time. AsicSendCommandToMcu(pAd, 0x72, 0xFF, 0x00, 0x00); if (pAd && (Status != NDIS_STATUS_SUCCESS)) { // // Undo everything if it failed // if (RTMP_TEST_FLAG(pAd, fRTMP_ADAPTER_INTERRUPT_IN_USE)) { RTMP_CLEAR_FLAG(pAd, fRTMP_ADAPTER_INTERRUPT_IN_USE); } } else if (pAd) { // Microsoft HCT require driver send a disconnect event after driver initialization. OPSTATUS_CLEAR_FLAG(pAd, fOP_STATUS_MEDIA_STATE_CONNECTED); RTMP_SET_FLAG(pAd, fRTMP_ADAPTER_MEDIA_STATE_CHANGE); DBGPRINT(RT_DEBUG_TRACE, ("NDIS_STATUS_MEDIA_DISCONNECT Event B!\n")); }// end of else DBGPRINT_S(Status, ("<==== RTMPInitialize, Status=%x\n", Status)); return TRUE; err4: err3: MlmeHalt(pAd); err2: RTMPFreeTxRxRingMemory(pAd); err1: #ifdef DOT11_N_SUPPORT os_free_mem(pAd, pAd->mpdu_blk_pool.mem); // free BA pool #endif // DOT11_N_SUPPORT // RT28XX_IRQ_RELEASE(net_dev); // shall not set ml_priv to NULL here because the ml_priv didn't been free yet. //net_dev->ml_priv = 0; #ifdef INF_AMAZON_SE err0: #endif // INF_AMAZON_SE // printk("!!! %s Initialized fail !!!\n", RT28xx_CHIP_NAME); return FALSE; } /* End of rt28xx_init */ /* ======================================================================== Routine Description: Open raxx interface. Arguments: *net_dev the raxx interface pointer Return Value: 0 Open OK otherwise Open Fail Note: ======================================================================== */ int rt28xx_open(IN PNET_DEV dev) { struct net_device * net_dev = (struct net_device *)dev; PRTMP_ADAPTER pAd = net_dev->ml_priv; int retval = 0; POS_COOKIE pObj; // Sanity check for pAd if (pAd == NULL) { /* if 1st open fail, pAd will be free; So the net_dev->ml_priv will be NULL in 2rd open */ return -1; } #ifdef CONFIG_APSTA_MIXED_SUPPORT if (pAd->OpMode == OPMODE_AP) { CW_MAX_IN_BITS = 6; } else if (pAd->OpMode == OPMODE_STA) { CW_MAX_IN_BITS = 10; } #if WIRELESS_EXT >= 12 if (net_dev->priv_flags == INT_MAIN) { if (pAd->OpMode == OPMODE_AP) net_dev->wireless_handlers = (struct iw_handler_def *) &rt28xx_ap_iw_handler_def; else if (pAd->OpMode == OPMODE_STA) net_dev->wireless_handlers = (struct iw_handler_def *) &rt28xx_iw_handler_def; } #endif // WIRELESS_EXT >= 12 // #endif // CONFIG_APSTA_MIXED_SUPPORT // #ifdef CONFIG_STA_SUPPORT #ifdef RT2860 IF_DEV_CONFIG_OPMODE_ON_STA(pAd) { // If dirver doesn't wake up firmware here, // NICLoadFirmware will hang forever when interface is up again. // RT2860 PCI if (OPSTATUS_TEST_FLAG(pAd, fOP_STATUS_DOZE) && OPSTATUS_TEST_FLAG(pAd, fOP_STATUS_ADVANCE_POWER_SAVE_PCIE_DEVICE)) { AUTO_WAKEUP_STRUC AutoWakeupCfg; AsicForceWakeup(pAd, TRUE); AutoWakeupCfg.word = 0; RTMP_IO_WRITE32(pAd, AUTO_WAKEUP_CFG, AutoWakeupCfg.word); OPSTATUS_CLEAR_FLAG(pAd, fOP_STATUS_DOZE); } } #endif // RT2860 // #endif // CONFIG_STA_SUPPORT // // Init pObj = (POS_COOKIE)pAd->OS_Cookie; // reset Adapter flags RTMP_CLEAR_FLAGS(pAd); // Request interrupt service routine for PCI device // register the interrupt routine with the os RT28XX_IRQ_REQUEST(net_dev); // Init BssTab & ChannelInfo tabbles for auto channel select. // Chip & other init if (rt28xx_init(net_dev) == FALSE) goto err; #ifdef CONFIG_STA_SUPPORT IF_DEV_CONFIG_OPMODE_ON_STA(pAd) { NdisZeroMemory(pAd->StaCfg.dev_name, 16); NdisMoveMemory(pAd->StaCfg.dev_name, net_dev->name, strlen(net_dev->name)); } #endif // CONFIG_STA_SUPPORT // // Set up the Mac address NdisMoveMemory(net_dev->dev_addr, (void *) pAd->CurrentAddress, 6); // Init IRQ parameters RT28XX_IRQ_INIT(pAd); // Various AP function init #ifdef CONFIG_STA_SUPPORT IF_DEV_CONFIG_OPMODE_ON_STA(pAd) { #ifdef WPA_SUPPLICANT_SUPPORT #ifndef NATIVE_WPA_SUPPLICANT_SUPPORT { union iwreq_data wrqu; // send wireless event to wpa_supplicant for infroming interface down. memset(&wrqu, 0, sizeof(wrqu)); wrqu.data.flags = RT_INTERFACE_UP; wireless_send_event(pAd->net_dev, IWEVCUSTOM, &wrqu, NULL); } #endif // NATIVE_WPA_SUPPLICANT_SUPPORT // #endif // WPA_SUPPLICANT_SUPPORT // } #endif // CONFIG_STA_SUPPORT // // Enable Interrupt RT28XX_IRQ_ENABLE(pAd); // Now Enable RxTx RTMPEnableRxTx(pAd); RTMP_SET_FLAG(pAd, fRTMP_ADAPTER_START_UP); { UINT32 reg = 0; RTMP_IO_READ32(pAd, 0x1300, ®); // clear garbage interrupts printk("0x1300 = %08x\n", reg); } #ifdef CONFIG_STA_SUPPORT #ifdef RT2860 IF_DEV_CONFIG_OPMODE_ON_STA(pAd) RTMPInitPCIeLinkCtrlValue(pAd); #endif // RT2860 // #endif // CONFIG_STA_SUPPORT // return (retval); err: return (-1); } /* End of rt28xx_open */ /* Must not be called for mdev and apdev */ static NDIS_STATUS rt_ieee80211_if_setup(struct net_device *dev, PRTMP_ADAPTER pAd) { NDIS_STATUS Status; INT i=0; CHAR slot_name[IFNAMSIZ]; struct net_device *device; //ether_setup(dev); dev->hard_start_xmit = rt28xx_send_packets; #ifdef IKANOS_VX_1X0 dev->hard_start_xmit = IKANOS_DataFramesTx; #endif // IKANOS_VX_1X0 // #ifdef CONFIG_STA_SUPPORT #if WIRELESS_EXT >= 12 if (pAd->OpMode == OPMODE_STA) { dev->wireless_handlers = &rt28xx_iw_handler_def; } #endif //WIRELESS_EXT >= 12 #endif // CONFIG_STA_SUPPORT // #ifdef CONFIG_APSTA_MIXED_SUPPORT #if WIRELESS_EXT >= 12 if (pAd->OpMode == OPMODE_AP) { dev->wireless_handlers = &rt28xx_ap_iw_handler_def; } #endif //WIRELESS_EXT >= 12 #endif // CONFIG_APSTA_MIXED_SUPPORT // #if WIRELESS_EXT < 21 dev->get_wireless_stats = rt28xx_get_wireless_stats; #endif dev->get_stats = RT28xx_get_ether_stats; dev->open = MainVirtualIF_open; //rt28xx_open; dev->stop = MainVirtualIF_close; //rt28xx_close; dev->priv_flags = INT_MAIN; dev->do_ioctl = rt28xx_ioctl; #if LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,24) dev->validate_addr = NULL; #endif // find available device name for (i = 0; i < 8; i++) { #ifdef MULTIPLE_CARD_SUPPORT if (pAd->MC_RowID >= 0) sprintf(slot_name, "ra%02d_%d", pAd->MC_RowID, i); else #endif // MULTIPLE_CARD_SUPPORT // sprintf(slot_name, "ra%d", i); #if LINUX_VERSION_CODE >= KERNEL_VERSION(2,5,0) #if LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,24) #if LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,26) device = dev_get_by_name(dev_net(dev), slot_name); #else device = dev_get_by_name(dev->nd_net, slot_name); #endif #else device = dev_get_by_name(slot_name); #endif if (device != NULL) dev_put(device); #else for (device = dev_base; device != NULL; device = device->next) { if (strncmp(device->name, slot_name, 4) == 0) break; } #endif if(device == NULL) break; } if(i == 8) { DBGPRINT(RT_DEBUG_ERROR, ("No available slot name\n")); Status = NDIS_STATUS_FAILURE; } else { #ifdef MULTIPLE_CARD_SUPPORT if (pAd->MC_RowID >= 0) sprintf(dev->name, "ra%02d_%d", pAd->MC_RowID, i); else #endif // MULTIPLE_CARD_SUPPORT // sprintf(dev->name, "ra%d", i); Status = NDIS_STATUS_SUCCESS; } return Status; } #ifdef MULTIPLE_CARD_SUPPORT /* ======================================================================== Routine Description: Get card profile path. Arguments: pAd Return Value: TRUE - Find a card profile FALSE - use default profile Note: ======================================================================== */ extern INT RTMPGetKeyParameter( IN PCHAR key, OUT PCHAR dest, IN INT destsize, IN PCHAR buffer); BOOLEAN RTMP_CardInfoRead( IN PRTMP_ADAPTER pAd) { #define MC_SELECT_CARDID 0 /* use CARD ID (0 ~ 31) to identify different cards */ #define MC_SELECT_MAC 1 /* use CARD MAC to identify different cards */ #define MC_SELECT_CARDTYPE 2 /* use CARD type (abgn or bgn) to identify different cards */ #define LETTER_CASE_TRANSLATE(txt_p, card_id) \ { UINT32 _len; char _char; \ for(_len=0; _lenfsuid; orgfsgid = current->fsgid; current->fsuid = current->fsgid = 0; orgfs = get_fs(); set_fs(KERNEL_DS); // get RF IC type RTMP_IO_READ32(pAd, E2PROM_CSR, &data); if ((data & 0x30) == 0) pAd->EEPROMAddressNum = 6; // 93C46 else if ((data & 0x30) == 0x10) pAd->EEPROMAddressNum = 8; // 93C66 else pAd->EEPROMAddressNum = 8; // 93C86 RT28xx_EEPROM_READ16(pAd, EEPROM_NIC1_OFFSET, antenna.word); if ((antenna.field.RfIcType == RFIC_2850) || (antenna.field.RfIcType == RFIC_2750)) { /* ABGN card */ strcpy(RFIC_word, "abgn"); } else { /* BGN card */ strcpy(RFIC_word, "bgn"); } // get MAC address RT28xx_EEPROM_READ16(pAd, 0x04, addr01); RT28xx_EEPROM_READ16(pAd, 0x06, addr23); RT28xx_EEPROM_READ16(pAd, 0x08, addr45); mac[0] = (UCHAR)(addr01 & 0xff); mac[1] = (UCHAR)(addr01 >> 8); mac[2] = (UCHAR)(addr23 & 0xff); mac[3] = (UCHAR)(addr23 >> 8); mac[4] = (UCHAR)(addr45 & 0xff); mac[5] = (UCHAR)(addr45 >> 8); // open card information file srcf = filp_open(CARD_INFO_PATH, O_RDONLY, 0); if (IS_ERR(srcf)) { /* card information file does not exist */ DBGPRINT(RT_DEBUG_TRACE, ("--> Error %ld opening %s\n", -PTR_ERR(srcf), CARD_INFO_PATH)); return FALSE; } if (srcf->f_op && srcf->f_op->read) { /* card information file exists so reading the card information */ memset(buffer, 0x00, MAX_INI_BUFFER_SIZE); retval = srcf->f_op->read(srcf, buffer, MAX_INI_BUFFER_SIZE, &srcf->f_pos); if (retval < 0) { /* read fail */ DBGPRINT(RT_DEBUG_TRACE, ("--> Read %s error %d\n", CARD_INFO_PATH, -retval)); } else { /* get card selection method */ memset(tmpbuf, 0x00, MAX_PARAM_BUFFER_SIZE); card_select_method = MC_SELECT_CARDTYPE; // default if (RTMPGetKeyParameter("SELECT", tmpbuf, 256, buffer)) { if (strcmp(tmpbuf, "CARDID") == 0) card_select_method = MC_SELECT_CARDID; else if (strcmp(tmpbuf, "MAC") == 0) card_select_method = MC_SELECT_MAC; else if (strcmp(tmpbuf, "CARDTYPE") == 0) card_select_method = MC_SELECT_CARDTYPE; } DBGPRINT(RT_DEBUG_TRACE, ("MC> Card Selection = %d\n", card_select_method)); // init card_free_id = -1; card_nouse_id = -1; card_same_mac_id = -1; card_match_id = -1; // search current card information records for(card_index=0; card_index Free = %d, Same = %d, NOUSE = %d\n", card_free_id, card_same_mac_id, card_nouse_id)); if ((card_same_mac_id >= 0) && ((card_select_method == MC_SELECT_CARDID) || (card_select_method == MC_SELECT_CARDTYPE))) { // same MAC entry is found card_match_id = card_same_mac_id; if (card_select_method == MC_SELECT_CARDTYPE) { // for CARDTYPE sprintf(card_id_buf, "%02dCARDTYPE%s", card_match_id, RFIC_word); if ((start_ptr=rtstrstruncasecmp(buffer, card_id_buf)) != NULL) { // we found the card ID LETTER_CASE_TRANSLATE(start_ptr, card_id_buf); } } } else { // the card is 1st plug-in, try to find the match card profile switch(card_select_method) { case MC_SELECT_CARDID: // CARDID default: if (card_free_id >= 0) card_match_id = card_free_id; else card_match_id = card_nouse_id; break; case MC_SELECT_MAC: // MAC sprintf(card_id_buf, "MAC%02x:%02x:%02x:%02x:%02x:%02x", mac[0], mac[1], mac[2], mac[3], mac[4], mac[5]); /* try to find the key word in the card file */ if ((start_ptr=rtstrstruncasecmp(buffer, card_id_buf)) != NULL) { LETTER_CASE_TRANSLATE(start_ptr, card_id_buf); /* get the row ID (2 ASCII characters) */ start_ptr -= 2; card_id_buf[0] = *(start_ptr); card_id_buf[1] = *(start_ptr+1); card_id_buf[2] = 0x00; card_match_id = simple_strtol(card_id_buf, 0, 10); } break; case MC_SELECT_CARDTYPE: // CARDTYPE card_nouse_id = -1; for(card_index=0; card_index= 0) { // make up search keyword switch(card_select_method) { case MC_SELECT_CARDID: // CARDID sprintf(card_id_buf, "%02dCARDID", card_match_id); break; case MC_SELECT_MAC: // MAC sprintf(card_id_buf, "%02dmac%02x:%02x:%02x:%02x:%02x:%02x", card_match_id, mac[0], mac[1], mac[2], mac[3], mac[4], mac[5]); break; case MC_SELECT_CARDTYPE: // CARDTYPE default: sprintf(card_id_buf, "%02dcardtype%s", card_match_id, RFIC_word); break; } DBGPRINT(RT_DEBUG_TRACE, ("Search Keyword = %s\n", card_id_buf)); // read card file path if (RTMPGetKeyParameter(card_id_buf, tmpbuf, 256, buffer)) { if (strlen(tmpbuf) < sizeof(pAd->MC_FileName)) { // backup card information pAd->MC_RowID = card_match_id; /* base 0 */ MC_CardUsed[card_match_id] = 1; memcpy(MC_CardMac[card_match_id], mac, sizeof(mac)); // backup card file path NdisMoveMemory(pAd->MC_FileName, tmpbuf , strlen(tmpbuf)); pAd->MC_FileName[strlen(tmpbuf)] = '\0'; flg_match_ok = TRUE; DBGPRINT(RT_DEBUG_TRACE, ("Card Profile Name = %s\n", pAd->MC_FileName)); } else { DBGPRINT(RT_DEBUG_ERROR, ("Card Profile Name length too large!\n")); } } else { DBGPRINT(RT_DEBUG_ERROR, ("Can not find search key word in card.dat!\n")); } if ((flg_match_ok != TRUE) && (card_match_id < MAX_NUM_OF_MULTIPLE_CARD)) { MC_CardUsed[card_match_id] = 0; memset(MC_CardMac[card_match_id], 0, sizeof(mac)); } } // if (card_match_id >= 0) } } // close file retval = filp_close(srcf, NULL); set_fs(orgfs); current->fsuid = orgfsuid; current->fsgid = orgfsgid; kfree(buffer); kfree(tmpbuf); return flg_match_ok; } #endif // MULTIPLE_CARD_SUPPORT // /* ======================================================================== Routine Description: Probe RT28XX chipset. Arguments: _dev_p Point to the PCI or USB device _dev_id_p Point to the PCI or USB device ID Return Value: 0 Probe OK -ENODEV Probe Fail Note: ======================================================================== */ INT __devinit rt28xx_probe( IN void *_dev_p, IN void *_dev_id_p, IN UINT argc, OUT PRTMP_ADAPTER *ppAd) { struct net_device *net_dev; PRTMP_ADAPTER pAd = (PRTMP_ADAPTER) NULL; INT status; PVOID handle; #ifdef RT2860 struct pci_dev *dev_p = (struct pci_dev *)_dev_p; #endif // RT2860 // #ifdef CONFIG_STA_SUPPORT DBGPRINT(RT_DEBUG_TRACE, ("STA Driver version-%s\n", STA_DRIVER_VERSION)); #endif // CONFIG_STA_SUPPORT // #if LINUX_VERSION_CODE <= 0x20402 // Red Hat 7.1 net_dev = alloc_netdev(sizeof(PRTMP_ADAPTER), "eth%d", ether_setup); #else net_dev = alloc_etherdev(sizeof(PRTMP_ADAPTER)); #endif if (net_dev == NULL) { printk("alloc_netdev failed\n"); #if LINUX_VERSION_CODE >= KERNEL_VERSION(2,5,0) #if LINUX_VERSION_CODE < KERNEL_VERSION(2,6,15) module_put(THIS_MODULE); #endif //LINUX_VERSION_CODE < KERNEL_VERSION(2,6,15) #else MOD_DEC_USE_COUNT; #endif goto err_out; } #if LINUX_VERSION_CODE < KERNEL_VERSION(2,6,24) SET_MODULE_OWNER(net_dev); #endif netif_stop_queue(net_dev); #ifdef NATIVE_WPA_SUPPLICANT_SUPPORT /* for supporting Network Manager */ /* Set the sysfs physical device reference for the network logical device * if set prior to registration will cause a symlink during initialization. */ #if (LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,0)) SET_NETDEV_DEV(net_dev, &(dev_p->dev)); #endif #endif // NATIVE_WPA_SUPPLICANT_SUPPORT // // Allocate RTMP_ADAPTER miniport adapter structure handle = kmalloc(sizeof(struct os_cookie), GFP_KERNEL); RT28XX_HANDLE_DEV_ASSIGN(handle, dev_p); status = RTMPAllocAdapterBlock(handle, &pAd); if (status != NDIS_STATUS_SUCCESS) goto err_out_free_netdev; net_dev->ml_priv = (PVOID)pAd; pAd->net_dev = net_dev; // must be before RT28XXNetDevInit() RT28XXNetDevInit(_dev_p, net_dev, pAd); #ifdef CONFIG_STA_SUPPORT pAd->StaCfg.OriDevType = net_dev->type; #endif // CONFIG_STA_SUPPORT // // Post config #if LINUX_VERSION_CODE < KERNEL_VERSION(2,5,0) if (RT28XXProbePostConfig(_dev_p, pAd, argc) == FALSE) goto err_out_unmap; #else if (RT28XXProbePostConfig(_dev_p, pAd, 0) == FALSE) goto err_out_unmap; #endif // LINUX_VERSION_CODE // #ifdef CONFIG_STA_SUPPORT pAd->OpMode = OPMODE_STA; #endif // CONFIG_STA_SUPPORT // #ifdef MULTIPLE_CARD_SUPPORT // find its profile path pAd->MC_RowID = -1; // use default profile path RTMP_CardInfoRead(pAd); if (pAd->MC_RowID == -1) #ifdef CONFIG_STA_SUPPORT strcpy(pAd->MC_FileName, STA_PROFILE_PATH); #endif // CONFIG_STA_SUPPORT // DBGPRINT(RT_DEBUG_TRACE, ("MC> ROW = %d, PATH = %s\n", pAd->MC_RowID, pAd->MC_FileName)); #endif // MULTIPLE_CARD_SUPPORT // // sample move if (rt_ieee80211_if_setup(net_dev, pAd) != NDIS_STATUS_SUCCESS) goto err_out_unmap; // Register this device status = register_netdev(net_dev); if (status) goto err_out_unmap; // Set driver data RT28XX_DRVDATA_SET(_dev_p); *ppAd = pAd; return 0; // probe ok /* --------------------------- ERROR HANDLE --------------------------- */ err_out_unmap: RTMPFreeAdapter(pAd); RT28XX_UNMAP(); err_out_free_netdev: #if LINUX_VERSION_CODE >= KERNEL_VERSION(2,5,0) free_netdev(net_dev); #else kfree(net_dev); #endif err_out: RT28XX_PUT_DEVICE(dev_p); #if LINUX_VERSION_CODE < KERNEL_VERSION(2,5,0) return (LONG)NULL; #else return -ENODEV; /* probe fail */ #endif // LINUX_VERSION_CODE // } /* End of rt28xx_probe */ /* ======================================================================== Routine Description: The entry point for Linux kernel sent packet to our driver. Arguments: sk_buff *skb the pointer refer to a sk_buffer. Return Value: 0 Note: This function is the entry point of Tx Path for Os delivery packet to our driver. You only can put OS-depened & STA/AP common handle procedures in here. ======================================================================== */ int rt28xx_packet_xmit(struct sk_buff *skb) { struct net_device *net_dev = skb->dev; PRTMP_ADAPTER pAd = net_dev->ml_priv; int status = 0; PNDIS_PACKET pPacket = (PNDIS_PACKET) skb; /* RT2870STA does this in RTMPSendPackets() */ #ifdef RALINK_ATE if (ATE_ON(pAd)) { RELEASE_NDIS_PACKET(pAd, pPacket, NDIS_STATUS_RESOURCES); return 0; } #endif // RALINK_ATE // #ifdef CONFIG_STA_SUPPORT IF_DEV_CONFIG_OPMODE_ON_STA(pAd) { // Drop send request since we are in monitor mode if (MONITOR_ON(pAd)) { RELEASE_NDIS_PACKET(pAd, pPacket, NDIS_STATUS_FAILURE); goto done; } } #endif // CONFIG_STA_SUPPORT // // EapolStart size is 18 if (skb->len < 14) { //printk("bad packet size: %d\n", pkt->len); hex_dump("bad packet", skb->data, skb->len); RELEASE_NDIS_PACKET(pAd, pPacket, NDIS_STATUS_FAILURE); goto done; } RTMP_SET_PACKET_5VT(pPacket, 0); #ifdef CONFIG_5VT_ENHANCE if (*(int*)(skb->cb) == BRIDGE_TAG) { RTMP_SET_PACKET_5VT(pPacket, 1); } #endif #ifdef CONFIG_STA_SUPPORT IF_DEV_CONFIG_OPMODE_ON_STA(pAd) { STASendPackets((NDIS_HANDLE)pAd, (PPNDIS_PACKET) &pPacket, 1); } #endif // CONFIG_STA_SUPPORT // status = 0; done: return status; } /* ======================================================================== Routine Description: Send a packet to WLAN. Arguments: skb_p points to our adapter dev_p which WLAN network interface Return Value: 0: transmit successfully otherwise: transmit fail Note: ======================================================================== */ INT rt28xx_send_packets( IN struct sk_buff *skb_p, IN struct net_device *net_dev) { RTMP_ADAPTER *pAd = net_dev->ml_priv; if (!(net_dev->flags & IFF_UP)) { RELEASE_NDIS_PACKET(pAd, (PNDIS_PACKET)skb_p, NDIS_STATUS_FAILURE); return 0; } NdisZeroMemory((PUCHAR)&skb_p->cb[CB_OFF], 15); RTMP_SET_PACKET_NET_DEVICE_MBSSID(skb_p, MAIN_MBSSID); return rt28xx_packet_xmit(skb_p); } /* End of MBSS_VirtualIF_PacketSend */ #if LINUX_VERSION_CODE <= 0x20402 // Red Hat 7.1 struct net_device *alloc_netdev( int sizeof_priv, const char *mask, void (*setup)(struct net_device *)) { struct net_device *dev; INT alloc_size; /* ensure 32-byte alignment of the private area */ alloc_size = sizeof (*dev) + sizeof_priv + 31; dev = (struct net_device *) kmalloc(alloc_size, GFP_KERNEL); if (dev == NULL) { DBGPRINT(RT_DEBUG_ERROR, ("alloc_netdev: Unable to allocate device memory.\n")); return NULL; } memset(dev, 0, alloc_size); if (sizeof_priv) dev->priv = (void *) (((long)(dev + 1) + 31) & ~31); setup(dev); strcpy(dev->name, mask); return dev; } #endif // LINUX_VERSION_CODE // void CfgInitHook(PRTMP_ADAPTER pAd) { pAd->bBroadComHT = TRUE; } /* End of CfgInitHook */ #if WIRELESS_EXT >= 12 // This function will be called when query /proc struct iw_statistics *rt28xx_get_wireless_stats( IN struct net_device *net_dev) { PRTMP_ADAPTER pAd = net_dev->ml_priv; DBGPRINT(RT_DEBUG_TRACE, ("rt28xx_get_wireless_stats --->\n")); pAd->iw_stats.status = 0; // Status - device dependent for now // link quality pAd->iw_stats.qual.qual = ((pAd->Mlme.ChannelQuality * 12)/10 + 10); if(pAd->iw_stats.qual.qual > 100) pAd->iw_stats.qual.qual = 100; #ifdef CONFIG_STA_SUPPORT if (pAd->OpMode == OPMODE_STA) pAd->iw_stats.qual.level = RTMPMaxRssi(pAd, pAd->StaCfg.RssiSample.LastRssi0, pAd->StaCfg.RssiSample.LastRssi1, pAd->StaCfg.RssiSample.LastRssi2); #endif // CONFIG_STA_SUPPORT // pAd->iw_stats.qual.noise = pAd->BbpWriteLatch[66]; // noise level (dBm) pAd->iw_stats.qual.noise += 256 - 143; pAd->iw_stats.qual.updated = 1; // Flags to know if updated #ifdef IW_QUAL_DBM pAd->iw_stats.qual.updated |= IW_QUAL_DBM; // Level + Noise are dBm #endif // IW_QUAL_DBM // pAd->iw_stats.discard.nwid = 0; // Rx : Wrong nwid/essid pAd->iw_stats.miss.beacon = 0; // Missed beacons/superframe DBGPRINT(RT_DEBUG_TRACE, ("<--- rt28xx_get_wireless_stats\n")); return &pAd->iw_stats; } /* End of rt28xx_get_wireless_stats */ #endif // WIRELESS_EXT // void tbtt_tasklet(unsigned long data) { #define MAX_TX_IN_TBTT (16) } INT rt28xx_ioctl( IN struct net_device *net_dev, IN OUT struct ifreq *rq, IN INT cmd) { VIRTUAL_ADAPTER *pVirtualAd = NULL; RTMP_ADAPTER *pAd = NULL; INT ret = 0; if (net_dev->priv_flags == INT_MAIN) { pAd = net_dev->ml_priv; } else { pVirtualAd = net_dev->ml_priv; pAd = pVirtualAd->RtmpDev->ml_priv; } if (pAd == NULL) { /* if 1st open fail, pAd will be free; So the net_dev->ml_priv will be NULL in 2rd open */ return -ENETDOWN; } #ifdef CONFIG_STA_SUPPORT IF_DEV_CONFIG_OPMODE_ON_STA(pAd) { ret = rt28xx_sta_ioctl(net_dev, rq, cmd); } #endif // CONFIG_STA_SUPPORT // return ret; } /* ======================================================================== Routine Description: return ethernet statistics counter Arguments: net_dev Pointer to net_device Return Value: net_device_stats* Note: ======================================================================== */ struct net_device_stats *RT28xx_get_ether_stats( IN struct net_device *net_dev) { RTMP_ADAPTER *pAd = NULL; if (net_dev) pAd = net_dev->ml_priv; if (pAd) { pAd->stats.rx_packets = pAd->WlanCounters.ReceivedFragmentCount.QuadPart; pAd->stats.tx_packets = pAd->WlanCounters.TransmittedFragmentCount.QuadPart; pAd->stats.rx_bytes = pAd->RalinkCounters.ReceivedByteCount; pAd->stats.tx_bytes = pAd->RalinkCounters.TransmittedByteCount; pAd->stats.rx_errors = pAd->Counters8023.RxErrors; pAd->stats.tx_errors = pAd->Counters8023.TxErrors; pAd->stats.rx_dropped = 0; pAd->stats.tx_dropped = 0; pAd->stats.multicast = pAd->WlanCounters.MulticastReceivedFrameCount.QuadPart; // multicast packets received pAd->stats.collisions = pAd->Counters8023.OneCollision + pAd->Counters8023.MoreCollisions; // Collision packets pAd->stats.rx_length_errors = 0; pAd->stats.rx_over_errors = pAd->Counters8023.RxNoBuffer; // receiver ring buff overflow pAd->stats.rx_crc_errors = 0;//pAd->WlanCounters.FCSErrorCount; // recved pkt with crc error pAd->stats.rx_frame_errors = pAd->Counters8023.RcvAlignmentErrors; // recv'd frame alignment error pAd->stats.rx_fifo_errors = pAd->Counters8023.RxNoBuffer; // recv'r fifo overrun pAd->stats.rx_missed_errors = 0; // receiver missed packet // detailed tx_errors pAd->stats.tx_aborted_errors = 0; pAd->stats.tx_carrier_errors = 0; pAd->stats.tx_fifo_errors = 0; pAd->stats.tx_heartbeat_errors = 0; pAd->stats.tx_window_errors = 0; // for cslip etc pAd->stats.rx_compressed = 0; pAd->stats.tx_compressed = 0; return &pAd->stats; } else return NULL; }