/****************************************************************************** * * Name: skethtool.c * Project: GEnesis, PCI Gigabit Ethernet Adapter * Version: $Revision: 1.3.2.6 $ * Date: $Date: 2005/03/30 08:57:58 $ * Purpose: All functions regarding ethtool handling * ******************************************************************************/ /****************************************************************************** * * (C)Copyright 1998-2002 SysKonnect GmbH. * (C)Copyright 2002-2004 Marvell. * * Driver for Marvell Yukon/2 chipset and SysKonnect Gigabit Ethernet * Server Adapters. * * Author: Ralph Roesler (rroesler@syskonnect.de) * Mirko Lindner (mlindner@syskonnect.de) * * Address all question to: linux@syskonnect.de * * The technical manual for the adapters is available from SysKonnect's * web pages: www.syskonnect.com * * 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. * * The information in this file is provided "AS IS" without warranty. * *****************************************************************************/ #include "h/skdrv1st.h" #include "h/skdrv2nd.h" #include "h/skversion.h" #include #include #include /****************************************************************************** * * External Functions and Data * *****************************************************************************/ extern void SkDimDisableModeration(SK_AC *pAC, int CurrentModeration); extern void SkDimEnableModerationIfNeeded(SK_AC *pAC); /****************************************************************************** * * Defines * *****************************************************************************/ #ifndef ETHT_STATSTRING_LEN #define ETHT_STATSTRING_LEN 32 #endif #define SK98LIN_STAT(m) sizeof(((SK_AC *)0)->m),offsetof(SK_AC, m) #define SUPP_COPPER_ALL (SUPPORTED_10baseT_Half | SUPPORTED_10baseT_Full | \ SUPPORTED_100baseT_Half | SUPPORTED_100baseT_Full | \ SUPPORTED_1000baseT_Half| SUPPORTED_1000baseT_Full| \ SUPPORTED_TP) #define ADV_COPPER_ALL (ADVERTISED_10baseT_Half | ADVERTISED_10baseT_Full | \ ADVERTISED_100baseT_Half | ADVERTISED_100baseT_Full | \ ADVERTISED_1000baseT_Half| ADVERTISED_1000baseT_Full| \ ADVERTISED_TP) #define SUPP_FIBRE_ALL (SUPPORTED_1000baseT_Full | \ SUPPORTED_FIBRE | \ SUPPORTED_Autoneg) #define ADV_FIBRE_ALL (ADVERTISED_1000baseT_Full | \ ADVERTISED_FIBRE | \ ADVERTISED_Autoneg) /****************************************************************************** * * Local Function Prototypes * *****************************************************************************/ #ifdef ETHTOOL_GSET static void getSettings(SK_AC *pAC, int port, struct ethtool_cmd *ecmd); #endif #ifdef ETHTOOL_SSET static int setSettings(SK_AC *pAC, int port, struct ethtool_cmd *ecmd); #endif #ifdef ETHTOOL_GPAUSEPARAM static void getPauseParams(SK_AC *pAC, int port, struct ethtool_pauseparam *epause); #endif #ifdef ETHTOOL_SPAUSEPARAM static int setPauseParams(SK_AC *pAC, int port, struct ethtool_pauseparam *epause); #endif #ifdef ETHTOOL_GDRVINFO static void getDriverInfo(SK_AC *pAC, int port, struct ethtool_drvinfo *edrvinfo); #endif #ifdef ETHTOOL_PHYS_ID static int startLocateNIC(SK_AC *pAC, int port, struct ethtool_value *blinkSecs); static void toggleLeds(unsigned long ptr); #endif #ifdef ETHTOOL_GCOALESCE static void getModerationParams(SK_AC *pAC, int port, struct ethtool_coalesce *ecoalesc); #endif #ifdef ETHTOOL_SCOALESCE static int setModerationParams(SK_AC *pAC, int port, struct ethtool_coalesce *ecoalesc); #endif #ifdef ETHTOOL_GWOL static void getWOLsettings(SK_AC *pAC, int port, struct ethtool_wolinfo *ewol); #endif #ifdef ETHTOOL_SWOL static int setWOLsettings(SK_AC *pAC, int port, struct ethtool_wolinfo *ewol); #endif static int getPortNumber(struct net_device *netdev, struct ifreq *ifr); /****************************************************************************** * * Local Variables * *****************************************************************************/ struct sk98lin_stats { char stat_string[ETHT_STATSTRING_LEN]; int sizeof_stat; int stat_offset; }; static struct sk98lin_stats sk98lin_etht_stats_port0[] = { { "rx_packets" , SK98LIN_STAT(PnmiStruct.Stat[0].StatRxOkCts) }, { "tx_packets" , SK98LIN_STAT(PnmiStruct.Stat[0].StatTxOkCts) }, { "rx_bytes" , SK98LIN_STAT(PnmiStruct.Stat[0].StatRxOctetsOkCts) }, { "tx_bytes" , SK98LIN_STAT(PnmiStruct.Stat[0].StatTxOctetsOkCts) }, { "rx_errors" , SK98LIN_STAT(PnmiStruct.InErrorsCts) }, { "tx_errors" , SK98LIN_STAT(PnmiStruct.Stat[0].StatTxSingleCollisionCts) }, { "rx_dropped" , SK98LIN_STAT(PnmiStruct.RxNoBufCts) }, { "tx_dropped" , SK98LIN_STAT(PnmiStruct.TxNoBufCts) }, { "multicasts" , SK98LIN_STAT(PnmiStruct.Stat[0].StatRxMulticastOkCts) }, { "collisions" , SK98LIN_STAT(PnmiStruct.Stat[0].StatTxSingleCollisionCts) }, { "rx_length_errors" , SK98LIN_STAT(PnmiStruct.Stat[0].StatRxRuntCts) }, { "rx_buffer_overflow_errors" , SK98LIN_STAT(PnmiStruct.Stat[0].StatRxFifoOverflowCts) }, { "rx_crc_errors" , SK98LIN_STAT(PnmiStruct.Stat[0].StatRxFcsCts) }, { "rx_frame_errors" , SK98LIN_STAT(PnmiStruct.Stat[0].StatRxFramingCts) }, { "rx_too_short_errors" , SK98LIN_STAT(PnmiStruct.Stat[0].StatRxShortsCts) }, { "rx_too_long_errors" , SK98LIN_STAT(PnmiStruct.Stat[0].StatRxTooLongCts) }, { "rx_carrier_extension_errors", SK98LIN_STAT(PnmiStruct.Stat[0].StatRxCextCts) }, { "rx_symbol_errors" , SK98LIN_STAT(PnmiStruct.Stat[0].StatRxSymbolCts) }, { "rx_llc_mac_size_errors" , SK98LIN_STAT(PnmiStruct.Stat[0].StatRxIRLengthCts) }, { "rx_carrier_errors" , SK98LIN_STAT(PnmiStruct.Stat[0].StatRxCarrierCts) }, { "rx_jabber_errors" , SK98LIN_STAT(PnmiStruct.Stat[0].StatRxJabberCts) }, { "rx_missed_errors" , SK98LIN_STAT(PnmiStruct.Stat[0].StatRxMissedCts) }, { "tx_abort_collision_errors" , SK98LIN_STAT(stats.tx_aborted_errors) }, { "tx_carrier_errors" , SK98LIN_STAT(PnmiStruct.Stat[0].StatTxCarrierCts) }, { "tx_buffer_underrun_errors" , SK98LIN_STAT(PnmiStruct.Stat[0].StatTxFifoUnderrunCts) }, { "tx_heartbeat_errors" , SK98LIN_STAT(PnmiStruct.Stat[0].StatTxCarrierCts) } , { "tx_window_errors" , SK98LIN_STAT(stats.tx_window_errors) } }; static struct sk98lin_stats sk98lin_etht_stats_port1[] = { { "rx_packets" , SK98LIN_STAT(PnmiStruct.Stat[1].StatRxOkCts) }, { "tx_packets" , SK98LIN_STAT(PnmiStruct.Stat[1].StatTxOkCts) }, { "rx_bytes" , SK98LIN_STAT(PnmiStruct.Stat[1].StatRxOctetsOkCts) }, { "tx_bytes" , SK98LIN_STAT(PnmiStruct.Stat[1].StatTxOctetsOkCts) }, { "rx_errors" , SK98LIN_STAT(PnmiStruct.InErrorsCts) }, { "tx_errors" , SK98LIN_STAT(PnmiStruct.Stat[1].StatTxSingleCollisionCts) }, { "rx_dropped" , SK98LIN_STAT(PnmiStruct.RxNoBufCts) }, { "tx_dropped" , SK98LIN_STAT(PnmiStruct.TxNoBufCts) }, { "multicasts" , SK98LIN_STAT(PnmiStruct.Stat[1].StatRxMulticastOkCts) }, { "collisions" , SK98LIN_STAT(PnmiStruct.Stat[1].StatTxSingleCollisionCts) }, { "rx_length_errors" , SK98LIN_STAT(PnmiStruct.Stat[1].StatRxRuntCts) }, { "rx_buffer_overflow_errors" , SK98LIN_STAT(PnmiStruct.Stat[1].StatRxFifoOverflowCts) }, { "rx_crc_errors" , SK98LIN_STAT(PnmiStruct.Stat[1].StatRxFcsCts) }, { "rx_frame_errors" , SK98LIN_STAT(PnmiStruct.Stat[1].StatRxFramingCts) }, { "rx_too_short_errors" , SK98LIN_STAT(PnmiStruct.Stat[1].StatRxShortsCts) }, { "rx_too_long_errors" , SK98LIN_STAT(PnmiStruct.Stat[1].StatRxTooLongCts) }, { "rx_carrier_extension_errors", SK98LIN_STAT(PnmiStruct.Stat[1].StatRxCextCts) }, { "rx_symbol_errors" , SK98LIN_STAT(PnmiStruct.Stat[1].StatRxSymbolCts) }, { "rx_llc_mac_size_errors" , SK98LIN_STAT(PnmiStruct.Stat[1].StatRxIRLengthCts) }, { "rx_carrier_errors" , SK98LIN_STAT(PnmiStruct.Stat[1].StatRxCarrierCts) }, { "rx_jabber_errors" , SK98LIN_STAT(PnmiStruct.Stat[1].StatRxJabberCts) }, { "rx_missed_errors" , SK98LIN_STAT(PnmiStruct.Stat[1].StatRxMissedCts) }, { "tx_abort_collision_errors" , SK98LIN_STAT(stats.tx_aborted_errors) }, { "tx_carrier_errors" , SK98LIN_STAT(PnmiStruct.Stat[1].StatTxCarrierCts) }, { "tx_buffer_underrun_errors" , SK98LIN_STAT(PnmiStruct.Stat[1].StatTxFifoUnderrunCts) }, { "tx_heartbeat_errors" , SK98LIN_STAT(PnmiStruct.Stat[1].StatTxCarrierCts) } , { "tx_window_errors" , SK98LIN_STAT(stats.tx_window_errors) } }; #define SK98LIN_STATS_LEN sizeof(sk98lin_etht_stats_port0) / sizeof(struct sk98lin_stats) static int nbrBlinkQuarterSeconds; static int currentPortIndex; static SK_BOOL isLocateNICrunning = SK_FALSE; static SK_BOOL isDualNetCard = SK_FALSE; static SK_BOOL doSwitchLEDsOn = SK_FALSE; static SK_BOOL boardWasDown[2] = { SK_FALSE, SK_FALSE }; static struct timer_list locateNICtimer; /****************************************************************************** * * Global Functions * *****************************************************************************/ /***************************************************************************** * * SkEthIoctl - IOCTL entry point for all ethtool queries * * Description: * Any IOCTL request that has to deal with the ethtool command tool is * dispatched via this function. * * Returns: * ==0: everything fine, no error * !=0: the return value is the error code of the failure */ int SkEthIoctl( struct net_device *netdev, /* the pointer to netdev structure */ struct ifreq *ifr) /* what interface the request refers to? */ { DEV_NET *pNet = (DEV_NET*) netdev->priv; SK_AC *pAC = pNet->pAC; void *pAddr = ifr->ifr_data; int port = getPortNumber(netdev, ifr); SK_PNMI_STRUCT_DATA *pPnmiStruct = &pAC->PnmiStruct; SK_U32 Size = sizeof(SK_PNMI_STRUCT_DATA); SK_U32 cmd; struct sk98lin_stats *sk98lin_etht_stats = (port == 0) ? sk98lin_etht_stats_port0 : sk98lin_etht_stats_port1; if (get_user(cmd, (uint32_t *) pAddr)) { return -EFAULT; } switch(cmd) { #ifdef ETHTOOL_GSET case ETHTOOL_GSET: { struct ethtool_cmd ecmd = { ETHTOOL_GSET }; getSettings(pAC, port, &ecmd); if(copy_to_user(pAddr, &ecmd, sizeof(ecmd))) { return -EFAULT; } return 0; } break; #endif #ifdef ETHTOOL_SSET case ETHTOOL_SSET: { struct ethtool_cmd ecmd; if(copy_from_user(&ecmd, pAddr, sizeof(ecmd))) { return -EFAULT; } return setSettings(pAC, port, &ecmd); } break; #endif #ifdef ETHTOOL_GDRVINFO case ETHTOOL_GDRVINFO: { struct ethtool_drvinfo drvinfo = { ETHTOOL_GDRVINFO }; getDriverInfo(pAC, port, &drvinfo); if(copy_to_user(pAddr, &drvinfo, sizeof(drvinfo))) { return -EFAULT; } return 0; } break; #endif #ifdef ETHTOOL_GSTRINGS case ETHTOOL_GSTRINGS: { struct ethtool_gstrings gstrings = { ETHTOOL_GSTRINGS }; char *strings = NULL; int err = 0; if(copy_from_user(&gstrings, pAddr, sizeof(gstrings))) { return -EFAULT; } switch(gstrings.string_set) { #ifdef ETHTOOL_GSTATS case ETH_SS_STATS: { int i; gstrings.len = SK98LIN_STATS_LEN; if ((strings = kmalloc(SK98LIN_STATS_LEN*ETHT_STATSTRING_LEN,GFP_KERNEL)) == NULL) { return -ENOMEM; } for(i=0; i < SK98LIN_STATS_LEN; i++) { memcpy(&strings[i * ETHT_STATSTRING_LEN], &(sk98lin_etht_stats[i].stat_string), ETHT_STATSTRING_LEN); } } break; #endif default: return -EOPNOTSUPP; } if(copy_to_user(pAddr, &gstrings, sizeof(gstrings))) { err = -EFAULT; } pAddr = (void *) ((unsigned long int) pAddr + offsetof(struct ethtool_gstrings, data)); if(!err && copy_to_user(pAddr, strings, gstrings.len * ETH_GSTRING_LEN)) { err = -EFAULT; } kfree(strings); return err; } #endif #ifdef ETHTOOL_GSTATS case ETHTOOL_GSTATS: { struct { struct ethtool_stats eth_stats; uint64_t data[SK98LIN_STATS_LEN]; } stats = { {ETHTOOL_GSTATS, SK98LIN_STATS_LEN} }; int i; if (netif_running(pAC->dev[port])) { SkPnmiGetStruct(pAC, pAC->IoBase, pPnmiStruct, &Size, port); } for(i = 0; i < SK98LIN_STATS_LEN; i++) { if (netif_running(pAC->dev[port])) { stats.data[i] = (sk98lin_etht_stats[i].sizeof_stat == sizeof(uint64_t)) ? *(uint64_t *)((char *)pAC + sk98lin_etht_stats[i].stat_offset) : *(uint32_t *)((char *)pAC + sk98lin_etht_stats[i].stat_offset); } else { stats.data[i] = (sk98lin_etht_stats[i].sizeof_stat == sizeof(uint64_t)) ? (uint64_t) 0 : (uint32_t) 0; } } if(copy_to_user(pAddr, &stats, sizeof(stats))) { return -EFAULT; } return 0; } #endif #ifdef ETHTOOL_PHYS_ID case ETHTOOL_PHYS_ID: { struct ethtool_value blinkSecs; if(copy_from_user(&blinkSecs, pAddr, sizeof(blinkSecs))) { return -EFAULT; } return startLocateNIC(pAC, port, &blinkSecs); } #endif #ifdef ETHTOOL_GPAUSEPARAM case ETHTOOL_GPAUSEPARAM: { struct ethtool_pauseparam epause = { ETHTOOL_GPAUSEPARAM }; getPauseParams(pAC, port, &epause); if(copy_to_user(pAddr, &epause, sizeof(epause))) { return -EFAULT; } return 0; } #endif #ifdef ETHTOOL_SPAUSEPARAM case ETHTOOL_SPAUSEPARAM: { struct ethtool_pauseparam epause; if(copy_from_user(&epause, pAddr, sizeof(epause))) { return -EFAULT; } return setPauseParams(pAC, port, &epause); } #endif #ifdef ETHTOOL_GSG case ETHTOOL_GSG: { struct ethtool_value edata = { ETHTOOL_GSG }; edata.data = (netdev->features & NETIF_F_SG) != 0; if (copy_to_user(pAddr, &edata, sizeof(edata))) { return -EFAULT; } return 0; } #endif #ifdef ETHTOOL_SSG case ETHTOOL_SSG: { struct ethtool_value edata; if (copy_from_user(&edata, pAddr, sizeof(edata))) { return -EFAULT; } if (pAC->ChipsetType) { /* Don't handle if Genesis */ if (edata.data) { netdev->features |= NETIF_F_SG; } else { netdev->features &= ~NETIF_F_SG; } } return 0; } #endif #ifdef ETHTOOL_GRXCSUM case ETHTOOL_GRXCSUM: { struct ethtool_value edata = { ETHTOOL_GRXCSUM }; edata.data = pAC->RxPort[port].UseRxCsum; if (copy_to_user(pAddr, &edata, sizeof(edata))) { return -EFAULT; } return 0; } #endif #ifdef ETHTOOL_SRXCSUM case ETHTOOL_SRXCSUM: { struct ethtool_value edata; if (copy_from_user(&edata, pAddr, sizeof(edata))) { return -EFAULT; } pAC->RxPort[port].UseRxCsum = edata.data; return 0; } #endif #ifdef ETHTOOL_GTXCSUM case ETHTOOL_GTXCSUM: { struct ethtool_value edata = { ETHTOOL_GTXCSUM }; edata.data = ((netdev->features & NETIF_F_IP_CSUM) != 0); if (copy_to_user(pAddr, &edata, sizeof(edata))) { return -EFAULT; } return 0; } #endif #ifdef ETHTOOL_STXCSUM case ETHTOOL_STXCSUM: { struct ethtool_value edata; if (copy_from_user(&edata, pAddr, sizeof(edata))) { return -EFAULT; } if (pAC->ChipsetType) { /* Don't handle if Genesis */ if (edata.data) { netdev->features |= NETIF_F_IP_CSUM; } else { netdev->features &= ~NETIF_F_IP_CSUM; } } return 0; } #endif #ifdef ETHTOOL_NWAY_RST case ETHTOOL_NWAY_RST: { if(netif_running(netdev)) { (*netdev->stop)(netdev); (*netdev->open)(netdev); } return 0; } #endif #ifdef NETIF_F_TSO #ifdef ETHTOOL_GTSO case ETHTOOL_GTSO: { struct ethtool_value edata = { ETHTOOL_GTSO }; edata.data = (netdev->features & NETIF_F_TSO) != 0; if (copy_to_user(pAddr, &edata, sizeof(edata))) { return -EFAULT; } return 0; } #endif #ifdef ETHTOOL_STSO case ETHTOOL_STSO: { struct ethtool_value edata; if (CHIP_ID_YUKON_2(pAC)) { if (copy_from_user(&edata, pAddr, sizeof(edata))) { return -EFAULT; } if (edata.data) { netdev->features |= NETIF_F_TSO; } else { netdev->features &= ~NETIF_F_TSO; } return 0; } return -EOPNOTSUPP; } #endif #endif #ifdef ETHTOOL_GCOALESCE case ETHTOOL_GCOALESCE: { struct ethtool_coalesce ecoalesc = { ETHTOOL_GCOALESCE }; getModerationParams(pAC, port, &ecoalesc); if(copy_to_user(pAddr, &ecoalesc, sizeof(ecoalesc))) { return -EFAULT; } return 0; } #endif #ifdef ETHTOOL_SCOALESCE case ETHTOOL_SCOALESCE: { struct ethtool_coalesce ecoalesc; if(copy_from_user(&ecoalesc, pAddr, sizeof(ecoalesc))) { return -EFAULT; } return setModerationParams(pAC, port, &ecoalesc); } #endif #ifdef ETHTOOL_GWOL case ETHTOOL_GWOL: { struct ethtool_wolinfo ewol = { ETHTOOL_GWOL }; getWOLsettings(pAC, port, &ewol); if(copy_to_user(pAddr, &ewol, sizeof(ewol))) { return -EFAULT; } return 0; } #endif #ifdef ETHTOOL_SWOL case ETHTOOL_SWOL: { struct ethtool_wolinfo ewol; if(copy_from_user(&ewol, pAddr, sizeof(ewol))) { return -EFAULT; } return setWOLsettings(pAC, port, &ewol); } #endif default: return -EOPNOTSUPP; } } /* SkEthIoctl() */ /****************************************************************************** * * Local Functions * *****************************************************************************/ #ifdef ETHTOOL_GSET /***************************************************************************** * * getSettings - retrieves the current settings of the selected adapter * * Description: * The current configuration of the selected adapter is returned. * This configuration involves a)speed, b)duplex and c)autoneg plus * a number of other variables. * * Returns: N/A * */ static void getSettings( SK_AC *pAC, /* pointer to adapter control context */ int port, /* the port of the selected adapter */ struct ethtool_cmd *ecmd) /* mandatory command structure for results */ { SK_GEPORT *pPort = &pAC->GIni.GP[port]; static int DuplexAutoNegConfMap[9][3]= { { -1 , -1 , -1 }, { 0 , -1 , -1 }, { SK_LMODE_HALF , DUPLEX_HALF, AUTONEG_DISABLE }, { SK_LMODE_FULL , DUPLEX_FULL, AUTONEG_DISABLE }, { SK_LMODE_AUTOHALF , DUPLEX_HALF, AUTONEG_ENABLE }, { SK_LMODE_AUTOFULL , DUPLEX_FULL, AUTONEG_ENABLE }, { SK_LMODE_AUTOBOTH , DUPLEX_FULL, AUTONEG_ENABLE }, { SK_LMODE_AUTOSENSE , -1 , -1 }, { SK_LMODE_INDETERMINATED, -1 , -1 } }; static int SpeedConfMap[6][2] = { { 0 , -1 }, { SK_LSPEED_AUTO , -1 }, { SK_LSPEED_10MBPS , SPEED_10 }, { SK_LSPEED_100MBPS , SPEED_100 }, { SK_LSPEED_1000MBPS , SPEED_1000 }, { SK_LSPEED_INDETERMINATED, -1 } }; static int AdvSpeedMap[6][2] = { { 0 , -1 }, { SK_LSPEED_AUTO , -1 }, { SK_LSPEED_10MBPS , ADVERTISED_10baseT_Half | ADVERTISED_10baseT_Full }, { SK_LSPEED_100MBPS , ADVERTISED_100baseT_Half | ADVERTISED_100baseT_Full }, { SK_LSPEED_1000MBPS , ADVERTISED_1000baseT_Half | ADVERTISED_1000baseT_Full}, { SK_LSPEED_INDETERMINATED, -1 } }; ecmd->phy_address = port; ecmd->speed = SpeedConfMap[pPort->PLinkSpeedUsed][1]; ecmd->duplex = DuplexAutoNegConfMap[pPort->PLinkModeStatus][1]; ecmd->autoneg = DuplexAutoNegConfMap[pPort->PLinkModeStatus][2]; ecmd->transceiver = XCVR_INTERNAL; if (pAC->GIni.GICopperType) { ecmd->port = PORT_TP; ecmd->supported = (SUPP_COPPER_ALL|SUPPORTED_Autoneg); if (pAC->GIni.GIGenesis) { ecmd->supported &= ~(SUPPORTED_10baseT_Half); ecmd->supported &= ~(SUPPORTED_10baseT_Full); ecmd->supported &= ~(SUPPORTED_100baseT_Half); ecmd->supported &= ~(SUPPORTED_100baseT_Full); } else { if (pAC->GIni.GIChipId == CHIP_ID_YUKON) { ecmd->supported &= ~(SUPPORTED_1000baseT_Half); } if (pAC->GIni.GIChipId == CHIP_ID_YUKON_FE) { ecmd->supported &= ~(SUPPORTED_1000baseT_Half); ecmd->supported &= ~(SUPPORTED_1000baseT_Full); } } if (pAC->GIni.GP[0].PLinkSpeed != SK_LSPEED_AUTO) { ecmd->advertising = AdvSpeedMap[pPort->PLinkSpeed][1]; if (pAC->GIni.GIChipId == CHIP_ID_YUKON) { ecmd->advertising &= ~(SUPPORTED_1000baseT_Half); } } else { ecmd->advertising = ecmd->supported; } if (ecmd->autoneg == AUTONEG_ENABLE) { ecmd->advertising |= ADVERTISED_Autoneg; } } else { ecmd->port = PORT_FIBRE; ecmd->supported = (SUPP_FIBRE_ALL); ecmd->advertising = (ADV_FIBRE_ALL); } } #endif #ifdef ETHTOOL_SSET /***************************************************************************** * * setSettings - configures the settings of a selected adapter * * Description: * Possible settings that may be altered are a)speed, b)duplex or * c)autonegotiation. * * Returns: * ==0: everything fine, no error * !=0: the return value is the error code of the failure */ static int setSettings( SK_AC *pAC, /* pointer to adapter control context */ int port, /* the port of the selected adapter */ struct ethtool_cmd *ecmd) /* command structure containing settings */ { DEV_NET *pNet = (DEV_NET *) pAC->dev[port]->priv; SK_U32 Instance; char Buf[4]; unsigned int Len = 1; int Ret; if (port == 0) { Instance = (pAC->RlmtNets == 2) ? 1 : 2; } else { Instance = (pAC->RlmtNets == 2) ? 2 : 3; } if (((ecmd->autoneg == AUTONEG_DISABLE) || (ecmd->autoneg == AUTONEG_ENABLE)) && ((ecmd->duplex == DUPLEX_FULL) || (ecmd->duplex == DUPLEX_HALF))) { if (ecmd->autoneg == AUTONEG_DISABLE) { if (ecmd->duplex == DUPLEX_FULL) { *Buf = (char) SK_LMODE_FULL; } else { *Buf = (char) SK_LMODE_HALF; } } else { if (ecmd->duplex == DUPLEX_FULL) { *Buf = (char) SK_LMODE_AUTOFULL; } else { *Buf = (char) SK_LMODE_AUTOHALF; } } Ret = SkPnmiSetVar(pAC, pAC->IoBase, OID_SKGE_LINK_MODE, &Buf, &Len, Instance, pNet->NetNr); if (Ret != SK_PNMI_ERR_OK) { return -EINVAL; } } if ((ecmd->speed == SPEED_1000) || (ecmd->speed == SPEED_100) || (ecmd->speed == SPEED_10)) { if (ecmd->speed == SPEED_1000) { *Buf = (char) SK_LSPEED_1000MBPS; } else if (ecmd->speed == SPEED_100) { *Buf = (char) SK_LSPEED_100MBPS; } else { *Buf = (char) SK_LSPEED_10MBPS; } Ret = SkPnmiSetVar(pAC, pAC->IoBase, OID_SKGE_SPEED_MODE, &Buf, &Len, Instance, pNet->NetNr); if (Ret != SK_PNMI_ERR_OK) { return -EINVAL; } } else { return -EINVAL; } return 0; } #endif #ifdef ETHTOOL_GPAUSEPARAM /***************************************************************************** * * getPauseParams - retrieves the pause parameters * * Description: * All current pause parameters of a selected adapter are placed * in the passed ethtool_pauseparam structure and are returned. * * Returns: N/A * */ static void getPauseParams( SK_AC *pAC, /* pointer to adapter control context */ int port, /* the port of the selected adapter */ struct ethtool_pauseparam *epause) /* pause parameter struct for result */ { SK_GEPORT *pPort = &pAC->GIni.GP[port]; epause->rx_pause = 0; epause->tx_pause = 0; if (pPort->PFlowCtrlMode == SK_FLOW_MODE_LOC_SEND) { epause->tx_pause = 1; } if ((pPort->PFlowCtrlMode == SK_FLOW_MODE_SYMMETRIC) || (pPort->PFlowCtrlMode == SK_FLOW_MODE_SYM_OR_REM)) { epause->tx_pause = 1; epause->rx_pause = 1; } if ((epause->rx_pause == 0) && (epause->tx_pause == 0)) { epause->autoneg = SK_FALSE; } else { epause->autoneg = SK_TRUE; } } #endif #ifdef ETHTOOL_SPAUSEPARAM /***************************************************************************** * * setPauseParams - configures the pause parameters of an adapter * * Description: * This function sets the Rx or Tx pause parameters * * Returns: * ==0: everything fine, no error * !=0: the return value is the error code of the failure */ static int setPauseParams( SK_AC *pAC, /* pointer to adapter control context */ int port, /* the port of the selected adapter */ struct ethtool_pauseparam *epause) /* pause parameter struct with params */ { SK_GEPORT *pPort = &pAC->GIni.GP[port]; DEV_NET *pNet = (DEV_NET *) pAC->dev[port]->priv; int PrevSpeedVal = pPort->PLinkSpeedUsed; SK_U32 Instance; char Buf[4]; int Ret; SK_BOOL prevAutonegValue = SK_TRUE; int prevTxPause = 0; int prevRxPause = 0; unsigned int Len = 1; if (port == 0) { Instance = (pAC->RlmtNets == 2) ? 1 : 2; } else { Instance = (pAC->RlmtNets == 2) ? 2 : 3; } /* ** we have to determine the current settings to see if ** the operator requested any modification of the flow ** control parameters... */ if (pPort->PFlowCtrlMode == SK_FLOW_MODE_LOC_SEND) { prevTxPause = 1; } if ((pPort->PFlowCtrlMode == SK_FLOW_MODE_SYMMETRIC) || (pPort->PFlowCtrlMode == SK_FLOW_MODE_SYM_OR_REM)) { prevTxPause = 1; prevRxPause = 1; } if ((prevRxPause == 0) && (prevTxPause == 0)) { prevAutonegValue = SK_FALSE; } /* ** perform modifications regarding the changes ** requested by the operator */ if (epause->autoneg != prevAutonegValue) { if (epause->autoneg == AUTONEG_DISABLE) { *Buf = (char) SK_FLOW_MODE_NONE; } else { *Buf = (char) SK_FLOW_MODE_SYMMETRIC; } } else { if(epause->rx_pause && epause->tx_pause) { *Buf = (char) SK_FLOW_MODE_SYMMETRIC; } else if (epause->rx_pause && !epause->tx_pause) { *Buf = (char) SK_FLOW_MODE_SYM_OR_REM; } else if(!epause->rx_pause && epause->tx_pause) { *Buf = (char) SK_FLOW_MODE_LOC_SEND; } else { *Buf = (char) SK_FLOW_MODE_NONE; } } Ret = SkPnmiSetVar(pAC, pAC->IoBase, OID_SKGE_FLOWCTRL_MODE, &Buf, &Len, Instance, pNet->NetNr); if (Ret != SK_PNMI_ERR_OK) { SK_DBG_MSG(NULL, SK_DBGMOD_DRV, SK_DBGCAT_CTRL, ("ethtool (sk98lin): error changing rx/tx pause (%i)\n", Ret)); } else { Len = 1; /* set buffer length to correct value */ } /* ** It may be that autoneg has been disabled! Therefore ** set the speed to the previously used value... */ *Buf = (char) PrevSpeedVal; Ret = SkPnmiSetVar(pAC, pAC->IoBase, OID_SKGE_SPEED_MODE, &Buf, &Len, Instance, pNet->NetNr); if (Ret != SK_PNMI_ERR_OK) { SK_DBG_MSG(NULL, SK_DBGMOD_DRV, SK_DBGCAT_CTRL, ("ethtool (sk98lin): error setting speed (%i)\n", Ret)); } return 0; } #endif #ifdef ETHTOOL_GCOALESCE /***************************************************************************** * * getModerationParams - retrieves the IRQ moderation settings * * Description: * All current IRQ moderation settings of a selected adapter are placed * in the passed ethtool_coalesce structure and are returned. * * Returns: N/A * */ static void getModerationParams( SK_AC *pAC, /* pointer to adapter control context */ int port, /* the port of the selected adapter */ struct ethtool_coalesce *ecoalesc) /* IRQ moderation struct for results */ { DIM_INFO *Info = &pAC->DynIrqModInfo; SK_BOOL UseTxIrqModeration = SK_FALSE; SK_BOOL UseRxIrqModeration = SK_FALSE; if (Info->IntModTypeSelect != C_INT_MOD_NONE) { if (CHIP_ID_YUKON_2(pAC)) { UseRxIrqModeration = SK_TRUE; UseTxIrqModeration = SK_TRUE; } else { if ((Info->MaskIrqModeration == IRQ_MASK_RX_ONLY) || (Info->MaskIrqModeration == IRQ_MASK_SP_RX) || (Info->MaskIrqModeration == IRQ_MASK_RX_TX_SP)) { UseRxIrqModeration = SK_TRUE; } if ((Info->MaskIrqModeration == IRQ_MASK_TX_ONLY) || (Info->MaskIrqModeration == IRQ_MASK_SP_TX) || (Info->MaskIrqModeration == IRQ_MASK_RX_TX_SP)) { UseTxIrqModeration = SK_TRUE; } } if (UseRxIrqModeration) { ecoalesc->rx_coalesce_usecs = 1000000 / Info->MaxModIntsPerSec; } if (UseTxIrqModeration) { ecoalesc->tx_coalesce_usecs = 1000000 / Info->MaxModIntsPerSec; } if (Info->IntModTypeSelect == C_INT_MOD_DYNAMIC) { ecoalesc->rate_sample_interval = Info->DynIrqModSampleInterval; if (UseRxIrqModeration) { ecoalesc->use_adaptive_rx_coalesce = 1; ecoalesc->rx_coalesce_usecs_low = 1000000 / Info->MaxModIntsPerSecLowerLimit; ecoalesc->rx_coalesce_usecs_high = 1000000 / Info->MaxModIntsPerSecUpperLimit; } if (UseTxIrqModeration) { ecoalesc->use_adaptive_tx_coalesce = 1; ecoalesc->tx_coalesce_usecs_low = 1000000 / Info->MaxModIntsPerSecLowerLimit; ecoalesc->tx_coalesce_usecs_high = 1000000 / Info->MaxModIntsPerSecUpperLimit; } } } } #endif #ifdef ETHTOOL_SCOALESCE /***************************************************************************** * * setModerationParams - configures the IRQ moderation of an adapter * * Description: * Depending on the desired IRQ moderation parameters, either a) static, * b) dynamic or c) no moderation is configured. * * Returns: * ==0: everything fine, no error * !=0: the return value is the error code of the failure * * Notes: * The supported timeframe for the coalesced interrupts ranges from * 33.333us (30 IntsPerSec) down to 25us (40.000 IntsPerSec). * Any requested value that is not in this range will abort the request! */ static int setModerationParams( SK_AC *pAC, /* pointer to adapter control context */ int port, /* the port of the selected adapter */ struct ethtool_coalesce *ecoalesc) /* IRQ moderation struct with params */ { DIM_INFO *Info = &pAC->DynIrqModInfo; int PrevModeration = Info->IntModTypeSelect; Info->IntModTypeSelect = C_INT_MOD_NONE; /* initial default */ if ((ecoalesc->rx_coalesce_usecs) || (ecoalesc->tx_coalesce_usecs)) { if (ecoalesc->rx_coalesce_usecs) { if ((ecoalesc->rx_coalesce_usecs < 25) || (ecoalesc->rx_coalesce_usecs > 33333)) { return -EINVAL; } } if (ecoalesc->tx_coalesce_usecs) { if ((ecoalesc->tx_coalesce_usecs < 25) || (ecoalesc->tx_coalesce_usecs > 33333)) { return -EINVAL; } } if (!CHIP_ID_YUKON_2(pAC)) { if ((Info->MaskIrqModeration == IRQ_MASK_SP_RX) || (Info->MaskIrqModeration == IRQ_MASK_SP_TX) || (Info->MaskIrqModeration == IRQ_MASK_RX_TX_SP)) { Info->MaskIrqModeration = IRQ_MASK_SP_ONLY; } } Info->IntModTypeSelect = C_INT_MOD_STATIC; if (ecoalesc->rx_coalesce_usecs) { Info->MaxModIntsPerSec = 1000000 / ecoalesc->rx_coalesce_usecs; if (!CHIP_ID_YUKON_2(pAC)) { if (Info->MaskIrqModeration == IRQ_MASK_TX_ONLY) { Info->MaskIrqModeration = IRQ_MASK_TX_RX; } if (Info->MaskIrqModeration == IRQ_MASK_SP_ONLY) { Info->MaskIrqModeration = IRQ_MASK_SP_RX; } if (Info->MaskIrqModeration == IRQ_MASK_SP_TX) { Info->MaskIrqModeration = IRQ_MASK_RX_TX_SP; } } else { Info->MaskIrqModeration = Y2_IRQ_MASK; } } if (ecoalesc->tx_coalesce_usecs) { Info->MaxModIntsPerSec = 1000000 / ecoalesc->tx_coalesce_usecs; if (!CHIP_ID_YUKON_2(pAC)) { if (Info->MaskIrqModeration == IRQ_MASK_RX_ONLY) { Info->MaskIrqModeration = IRQ_MASK_TX_RX; } if (Info->MaskIrqModeration == IRQ_MASK_SP_ONLY) { Info->MaskIrqModeration = IRQ_MASK_SP_TX; } if (Info->MaskIrqModeration == IRQ_MASK_SP_RX) { Info->MaskIrqModeration = IRQ_MASK_RX_TX_SP; } } else { Info->MaskIrqModeration = Y2_IRQ_MASK; } } } if ((ecoalesc->rate_sample_interval) || (ecoalesc->rx_coalesce_usecs_low) || (ecoalesc->tx_coalesce_usecs_low) || (ecoalesc->rx_coalesce_usecs_high)|| (ecoalesc->tx_coalesce_usecs_high)) { if (ecoalesc->rate_sample_interval) { if ((ecoalesc->rate_sample_interval < 1) || (ecoalesc->rate_sample_interval > 10)) { return -EINVAL; } } if (ecoalesc->rx_coalesce_usecs_low) { if ((ecoalesc->rx_coalesce_usecs_low < 25) || (ecoalesc->rx_coalesce_usecs_low > 33333)) { return -EINVAL; } } if (ecoalesc->rx_coalesce_usecs_high) { if ((ecoalesc->rx_coalesce_usecs_high < 25) || (ecoalesc->rx_coalesce_usecs_high > 33333)) { return -EINVAL; } } if (ecoalesc->tx_coalesce_usecs_low) { if ((ecoalesc->tx_coalesce_usecs_low < 25) || (ecoalesc->tx_coalesce_usecs_low > 33333)) { return -EINVAL; } } if (ecoalesc->tx_coalesce_usecs_high) { if ((ecoalesc->tx_coalesce_usecs_high < 25) || (ecoalesc->tx_coalesce_usecs_high > 33333)) { return -EINVAL; } } Info->IntModTypeSelect = C_INT_MOD_DYNAMIC; if (ecoalesc->rate_sample_interval) { Info->DynIrqModSampleInterval = ecoalesc->rate_sample_interval; } if (ecoalesc->rx_coalesce_usecs_low) { Info->MaxModIntsPerSecLowerLimit = 1000000 / ecoalesc->rx_coalesce_usecs_low; } if (ecoalesc->tx_coalesce_usecs_low) { Info->MaxModIntsPerSecLowerLimit = 1000000 / ecoalesc->tx_coalesce_usecs_low; } if (ecoalesc->rx_coalesce_usecs_high) { Info->MaxModIntsPerSecUpperLimit = 1000000 / ecoalesc->rx_coalesce_usecs_high; } if (ecoalesc->tx_coalesce_usecs_high) { Info->MaxModIntsPerSecUpperLimit = 1000000 / ecoalesc->tx_coalesce_usecs_high; } } if ((PrevModeration == C_INT_MOD_NONE) && (Info->IntModTypeSelect != C_INT_MOD_NONE)) { SkDimEnableModerationIfNeeded(pAC); } if (PrevModeration != C_INT_MOD_NONE) { SkDimDisableModeration(pAC, PrevModeration); if (Info->IntModTypeSelect != C_INT_MOD_NONE) { SkDimEnableModerationIfNeeded(pAC); } } return 0; } #endif #ifdef ETHTOOL_GWOL /***************************************************************************** * * getWOLsettings - retrieves the WOL settings of the selected adapter * * Description: * All current WOL settings of a selected adapter are placed in the * passed ethtool_wolinfo structure and are returned to the caller. * * Returns: N/A * */ static void getWOLsettings( SK_AC *pAC, /* pointer to adapter control context */ int port, /* the port of the selected adapter */ struct ethtool_wolinfo *ewol) /* mandatory WOL structure for results */ { ewol->supported = pAC->WolInfo.SupportedWolOptions; ewol->wolopts = pAC->WolInfo.ConfiguredWolOptions; return; } #endif #ifdef ETHTOOL_SWOL /***************************************************************************** * * setWOLsettings - configures the WOL settings of a selected adapter * * Description: * The WOL settings of a selected adapter are configured regarding * the parameters in the passed ethtool_wolinfo structure. * Note that currently only wake on magic packet is supported! * * Returns: * ==0: everything fine, no error * !=0: the return value is the error code of the failure */ static int setWOLsettings( SK_AC *pAC, /* pointer to adapter control context */ int port, /* the port of the selected adapter */ struct ethtool_wolinfo *ewol) /* WOL structure containing settings */ { if (((ewol->wolopts & WAKE_MAGIC) == WAKE_MAGIC) || (ewol->wolopts == 0)) { pAC->WolInfo.ConfiguredWolOptions = ewol->wolopts; return 0; } return -EFAULT; } #endif #ifdef ETHTOOL_GDRVINFO /***************************************************************************** * * getDriverInfo - returns generic driver and adapter information * * Description: * Generic driver information is returned via this function, such as * the name of the driver, its version and and firmware version. * In addition to this, the location of the selected adapter is * returned as a bus info string (e.g. '01:05.0'). * * Returns: N/A * */ static void getDriverInfo( SK_AC *pAC, /* pointer to adapter control context */ int port, /* the port of the selected adapter */ struct ethtool_drvinfo *edrvinfo) /* mandatory info structure for results */ { char versionString[32]; snprintf(versionString, 32, "%s (%s)", VER_STRING, PATCHLEVEL); strncpy(edrvinfo->driver, DRIVER_FILE_NAME , 32); strncpy(edrvinfo->version, versionString , 32); strncpy(edrvinfo->fw_version, "N/A", 32); strncpy(edrvinfo->bus_info, pAC->PciDev->slot_name, 32); #ifdef ETHTOOL_GSTATS edrvinfo->n_stats = SK98LIN_STATS_LEN; #endif } #endif #ifdef ETHTOOL_PHYS_ID /***************************************************************************** * * startLocateNIC - start the locate NIC feature of the elected adapter * * Description: * This function is used if the user want to locate a particular NIC. * All LEDs are regularly switched on and off, so the NIC can easily * be identified. * * Returns: * ==0: everything fine, no error, locateNIC test was started * !=0: one locateNIC test runs already * */ static int startLocateNIC( SK_AC *pAC, /* pointer to adapter control context */ int port, /* the port of the selected adapter */ struct ethtool_value *blinkSecs) /* how long the LEDs should blink in seconds */ { struct SK_NET_DEVICE *pDev = pAC->dev[port]; int OtherPort = (port) ? 0 : 1; struct SK_NET_DEVICE *pOtherDev = pAC->dev[OtherPort]; if (isLocateNICrunning) { return -EFAULT; } isLocateNICrunning = SK_TRUE; currentPortIndex = port; isDualNetCard = (pDev != pOtherDev) ? SK_TRUE : SK_FALSE; if (netif_running(pAC->dev[port])) { boardWasDown[0] = SK_FALSE; } else { (*pDev->open)(pDev); boardWasDown[0] = SK_TRUE; } if (isDualNetCard) { if (netif_running(pAC->dev[OtherPort])) { boardWasDown[1] = SK_FALSE; } else { (*pOtherDev->open)(pOtherDev); boardWasDown[1] = SK_TRUE; } } if ((blinkSecs->data < 1) || (blinkSecs->data > 30)) { blinkSecs->data = 3; /* three seconds default */ } nbrBlinkQuarterSeconds = 4*blinkSecs->data; init_timer(&locateNICtimer); locateNICtimer.function = toggleLeds; locateNICtimer.data = (unsigned long) pAC; locateNICtimer.expires = jiffies + HZ; /* initially 1sec */ add_timer(&locateNICtimer); return 0; } /***************************************************************************** * * toggleLeds - Changes the LED state of an adapter * * Description: * This function changes the current state of all LEDs of an adapter so * that it can be located by a user. If the requested time interval for * this test has elapsed, this function cleans up everything that was * temporarily setup during the locate NIC test. This involves of course * also closing or opening any adapter so that the initial board state * is recovered. * * Returns: N/A * */ static void toggleLeds( unsigned long ptr) /* holds the pointer to adapter control context */ { SK_AC *pAC = (SK_AC *) ptr; int port = currentPortIndex; SK_IOC IoC = pAC->IoBase; struct SK_NET_DEVICE *pDev = pAC->dev[port]; int OtherPort = (port) ? 0 : 1; struct SK_NET_DEVICE *pOtherDev = pAC->dev[OtherPort]; SK_U16 YukLedOn = (PHY_M_LED_MO_DUP(MO_LED_ON) | PHY_M_LED_MO_10(MO_LED_ON) | PHY_M_LED_MO_100(MO_LED_ON) | PHY_M_LED_MO_1000(MO_LED_ON) | PHY_M_LED_MO_RX(MO_LED_ON)); SK_U16 YukLedOff = (PHY_M_LED_MO_DUP(MO_LED_OFF) | PHY_M_LED_MO_10(MO_LED_OFF) | PHY_M_LED_MO_100(MO_LED_OFF) | PHY_M_LED_MO_1000(MO_LED_OFF) | PHY_M_LED_MO_RX(MO_LED_OFF)); nbrBlinkQuarterSeconds--; if (nbrBlinkQuarterSeconds <= 0) { (*pDev->stop)(pDev); if (isDualNetCard) { (*pOtherDev->stop)(pOtherDev); } if (!boardWasDown[0]) { (*pDev->open)(pDev); } if (isDualNetCard) { (*pOtherDev->open)(pOtherDev); } isDualNetCard = SK_FALSE; isLocateNICrunning = SK_FALSE; return; } doSwitchLEDsOn = (doSwitchLEDsOn) ? SK_FALSE : SK_TRUE; if (doSwitchLEDsOn) { if (pAC->GIni.GIGenesis) { SK_OUT8(IoC,MR_ADDR(port,LNK_LED_REG),(SK_U8)SK_LNK_ON); SkGeYellowLED(pAC,IoC,LED_ON >> 1); SkGeXmitLED(pAC,IoC,MR_ADDR(port,RX_LED_INI),SK_LED_TST); if (pAC->GIni.GP[port].PhyType == SK_PHY_BCOM) { SkXmPhyWrite(pAC,IoC,port,PHY_BCOM_P_EXT_CTRL,PHY_B_PEC_LED_ON); } else if (pAC->GIni.GP[port].PhyType == SK_PHY_LONE) { SkXmPhyWrite(pAC,IoC,port,PHY_LONE_LED_CFG,0x0800); } else { SkGeXmitLED(pAC,IoC,MR_ADDR(port,TX_LED_INI),SK_LED_TST); } } else { SkGmPhyWrite(pAC,IoC,port,PHY_MARV_LED_CTRL,0); SkGmPhyWrite(pAC,IoC,port,PHY_MARV_LED_OVER,YukLedOn); } } else { if (pAC->GIni.GIGenesis) { SK_OUT8(IoC,MR_ADDR(port,LNK_LED_REG),(SK_U8)SK_LNK_OFF); SkGeYellowLED(pAC,IoC,LED_OFF >> 1); SkGeXmitLED(pAC,IoC,MR_ADDR(port,RX_LED_INI),SK_LED_DIS); if (pAC->GIni.GP[port].PhyType == SK_PHY_BCOM) { SkXmPhyWrite(pAC,IoC,port,PHY_BCOM_P_EXT_CTRL,PHY_B_PEC_LED_OFF); } else if (pAC->GIni.GP[port].PhyType == SK_PHY_LONE) { SkXmPhyWrite(pAC,IoC,port,PHY_LONE_LED_CFG,PHY_L_LC_LEDT); } else { SkGeXmitLED(pAC,IoC,MR_ADDR(port,TX_LED_INI),SK_LED_DIS); } } else { SkGmPhyWrite(pAC,IoC,port,PHY_MARV_LED_CTRL,0); SkGmPhyWrite(pAC,IoC,port,PHY_MARV_LED_OVER,YukLedOff); } } locateNICtimer.function = toggleLeds; locateNICtimer.data = (unsigned long) pAC; locateNICtimer.expires = jiffies + (HZ/4); /* 250ms */ add_timer(&locateNICtimer); } #endif /***************************************************************************** * * getPortNumber - evaluates the port number of an interface * * Description: * It may be that the current interface refers to one which is located * on a dual net adapter. Hence, this function will return the correct * port for further use. * * Returns: * the port number that corresponds to the selected adapter * */ static int getPortNumber( struct net_device *netdev, /* the pointer to netdev structure */ struct ifreq *ifr) /* what interface the request refers to? */ { DEV_NET *pNet = (DEV_NET*) netdev->priv; SK_AC *pAC = pNet->pAC; if (pAC->dev[1] != pAC->dev[0]) { if (!strcmp(pAC->dev[1]->name, ifr->ifr_name)) { return 1; /* port index 1 */ } } return 0; } /******************************************************************************* * * End of file * ******************************************************************************/