/****************************************************************************** * * Name: skethtool.c * Project: GEnesis, PCI Gigabit Ethernet Adapter * Version: $Revision: 1.7 $ * Date: $Date: 2004/09/29 13:32:07 $ * 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 <linux/ethtool.h> #include <linux/timer.h> #include <linux/delay.h> /****************************************************************************** * * Defines * *****************************************************************************/ #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 Functions * *****************************************************************************/ /***************************************************************************** * * 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: always 0 * */ static int getSettings(struct net_device *dev, struct ethtool_cmd *ecmd) { const DEV_NET *pNet = netdev_priv(dev); int port = pNet->PortNr; const SK_AC *pAC = pNet->pAC; const 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); } #ifdef CHIP_ID_YUKON_FE if (pAC->GIni.GIChipId == CHIP_ID_YUKON_FE) { ecmd->supported &= ~(SUPPORTED_1000baseT_Half); ecmd->supported &= ~(SUPPORTED_1000baseT_Full); } #endif } 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; } return 0; } /* * MIB infrastructure uses instance value starting at 1 * based on board and port. */ static inline u32 pnmiInstance(const DEV_NET *pNet) { return 1 + (pNet->pAC->RlmtNets == 2) + pNet->PortNr; } /***************************************************************************** * * 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(struct net_device *dev, struct ethtool_cmd *ecmd) { DEV_NET *pNet = netdev_priv(dev); SK_AC *pAC = pNet->pAC; u32 instance; char buf[4]; int len = 1; if (ecmd->speed != SPEED_10 && ecmd->speed != SPEED_100 && ecmd->speed != SPEED_1000) return -EINVAL; if (ecmd->duplex != DUPLEX_HALF && ecmd->duplex != DUPLEX_FULL) return -EINVAL; if (ecmd->autoneg != AUTONEG_DISABLE && ecmd->autoneg != AUTONEG_ENABLE) return -EINVAL; if (ecmd->autoneg == AUTONEG_DISABLE) *buf = (ecmd->duplex == DUPLEX_FULL) ? SK_LMODE_FULL : SK_LMODE_HALF; else *buf = (ecmd->duplex == DUPLEX_FULL) ? SK_LMODE_AUTOFULL : SK_LMODE_AUTOHALF; instance = pnmiInstance(pNet); if (SkPnmiSetVar(pAC, pAC->IoBase, OID_SKGE_LINK_MODE, &buf, &len, instance, pNet->NetNr) != SK_PNMI_ERR_OK) return -EINVAL; switch(ecmd->speed) { case SPEED_1000: *buf = SK_LSPEED_1000MBPS; break; case SPEED_100: *buf = SK_LSPEED_100MBPS; break; case SPEED_10: *buf = SK_LSPEED_10MBPS; } if (SkPnmiSetVar(pAC, pAC->IoBase, OID_SKGE_SPEED_MODE, &buf, &len, instance, pNet->NetNr) != SK_PNMI_ERR_OK) return -EINVAL; return 0; } /***************************************************************************** * * 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(struct net_device *dev, struct ethtool_drvinfo *info) { const DEV_NET *pNet = netdev_priv(dev); const SK_AC *pAC = pNet->pAC; char vers[32]; snprintf(vers, sizeof(vers)-1, VER_STRING "(v%d.%d)", (pAC->GIni.GIPciHwRev >> 4) & 0xf, pAC->GIni.GIPciHwRev & 0xf); strlcpy(info->driver, DRIVER_FILE_NAME, sizeof(info->driver)); strcpy(info->version, vers); strcpy(info->fw_version, "N/A"); strlcpy(info->bus_info, pci_name(pAC->PciDev), ETHTOOL_BUSINFO_LEN); } /* * Ethtool statistics support. */ static const char StringsStats[][ETH_GSTRING_LEN] = { "rx_packets", "tx_packets", "rx_bytes", "tx_bytes", "rx_errors", "tx_errors", "rx_dropped", "tx_dropped", "multicasts", "collisions", "rx_length_errors", "rx_buffer_overflow_errors", "rx_crc_errors", "rx_frame_errors", "rx_too_short_errors", "rx_too_long_errors", "rx_carrier_extension_errors", "rx_symbol_errors", "rx_llc_mac_size_errors", "rx_carrier_errors", "rx_jabber_errors", "rx_missed_errors", "tx_abort_collision_errors", "tx_carrier_errors", "tx_buffer_underrun_errors", "tx_heartbeat_errors", "tx_window_errors", }; static int getStatsCount(struct net_device *dev) { return ARRAY_SIZE(StringsStats); } static void getStrings(struct net_device *dev, u32 stringset, u8 *data) { switch(stringset) { case ETH_SS_STATS: memcpy(data, *StringsStats, sizeof(StringsStats)); break; } } static void getEthtoolStats(struct net_device *dev, struct ethtool_stats *stats, u64 *data) { const DEV_NET *pNet = netdev_priv(dev); const SK_AC *pAC = pNet->pAC; const SK_PNMI_STRUCT_DATA *pPnmiStruct = &pAC->PnmiStruct; *data++ = pPnmiStruct->Stat[0].StatRxOkCts; *data++ = pPnmiStruct->Stat[0].StatTxOkCts; *data++ = pPnmiStruct->Stat[0].StatRxOctetsOkCts; *data++ = pPnmiStruct->Stat[0].StatTxOctetsOkCts; *data++ = pPnmiStruct->InErrorsCts; *data++ = pPnmiStruct->Stat[0].StatTxSingleCollisionCts; *data++ = pPnmiStruct->RxNoBufCts; *data++ = pPnmiStruct->TxNoBufCts; *data++ = pPnmiStruct->Stat[0].StatRxMulticastOkCts; *data++ = pPnmiStruct->Stat[0].StatTxSingleCollisionCts; *data++ = pPnmiStruct->Stat[0].StatRxRuntCts; *data++ = pPnmiStruct->Stat[0].StatRxFifoOverflowCts; *data++ = pPnmiStruct->Stat[0].StatRxFcsCts; *data++ = pPnmiStruct->Stat[0].StatRxFramingCts; *data++ = pPnmiStruct->Stat[0].StatRxShortsCts; *data++ = pPnmiStruct->Stat[0].StatRxTooLongCts; *data++ = pPnmiStruct->Stat[0].StatRxCextCts; *data++ = pPnmiStruct->Stat[0].StatRxSymbolCts; *data++ = pPnmiStruct->Stat[0].StatRxIRLengthCts; *data++ = pPnmiStruct->Stat[0].StatRxCarrierCts; *data++ = pPnmiStruct->Stat[0].StatRxJabberCts; *data++ = pPnmiStruct->Stat[0].StatRxMissedCts; *data++ = pAC->stats.tx_aborted_errors; *data++ = pPnmiStruct->Stat[0].StatTxCarrierCts; *data++ = pPnmiStruct->Stat[0].StatTxFifoUnderrunCts; *data++ = pPnmiStruct->Stat[0].StatTxCarrierCts; *data++ = pAC->stats.tx_window_errors; } /***************************************************************************** * * 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. * * Returns: N/A * */ static void toggleLeds(DEV_NET *pNet, int on) { SK_AC *pAC = pNet->pAC; int port = pNet->PortNr; void __iomem *io = pAC->IoBase; if (pAC->GIni.GIGenesis) { SK_OUT8(io, MR_ADDR(port,LNK_LED_REG), on ? SK_LNK_ON : SK_LNK_OFF); SkGeYellowLED(pAC, io, on ? (LED_ON >> 1) : (LED_OFF >> 1)); SkGeXmitLED(pAC, io, MR_ADDR(port,RX_LED_INI), on ? SK_LED_TST : SK_LED_DIS); if (pAC->GIni.GP[port].PhyType == SK_PHY_BCOM) SkXmPhyWrite(pAC, io, port, PHY_BCOM_P_EXT_CTRL, on ? PHY_B_PEC_LED_ON : PHY_B_PEC_LED_OFF); else if (pAC->GIni.GP[port].PhyType == SK_PHY_LONE) SkXmPhyWrite(pAC, io, port, PHY_LONE_LED_CFG, on ? 0x0800 : PHY_L_LC_LEDT); else SkGeXmitLED(pAC, io, MR_ADDR(port,TX_LED_INI), on ? SK_LED_TST : SK_LED_DIS); } else { const 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)); const 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)); SkGmPhyWrite(pAC,io,port,PHY_MARV_LED_CTRL,0); SkGmPhyWrite(pAC,io,port,PHY_MARV_LED_OVER, on ? YukLedOn : YukLedOff); } } /***************************************************************************** * * skGeBlinkTimer - 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 * */ void SkGeBlinkTimer(unsigned long data) { struct net_device *dev = (struct net_device *) data; DEV_NET *pNet = netdev_priv(dev); SK_AC *pAC = pNet->pAC; toggleLeds(pNet, pAC->LedsOn); pAC->LedsOn = !pAC->LedsOn; mod_timer(&pAC->BlinkTimer, jiffies + HZ/4); } /***************************************************************************** * * locateDevice - 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 locateDevice(struct net_device *dev, u32 data) { DEV_NET *pNet = netdev_priv(dev); SK_AC *pAC = pNet->pAC; if(!data || data > (u32)(MAX_SCHEDULE_TIMEOUT / HZ)) data = (u32)(MAX_SCHEDULE_TIMEOUT / HZ); /* start blinking */ pAC->LedsOn = 0; mod_timer(&pAC->BlinkTimer, jiffies); msleep_interruptible(data * 1000); del_timer_sync(&pAC->BlinkTimer); toggleLeds(pNet, 0); return 0; } /***************************************************************************** * * 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(struct net_device *dev, struct ethtool_pauseparam *epause) { DEV_NET *pNet = netdev_priv(dev); SK_AC *pAC = pNet->pAC; SK_GEPORT *pPort = &pAC->GIni.GP[pNet->PortNr]; epause->rx_pause = (pPort->PFlowCtrlMode == SK_FLOW_MODE_SYMMETRIC) || (pPort->PFlowCtrlMode == SK_FLOW_MODE_SYM_OR_REM); epause->tx_pause = epause->rx_pause || (pPort->PFlowCtrlMode == SK_FLOW_MODE_LOC_SEND); epause->autoneg = epause->rx_pause || epause->tx_pause; } /***************************************************************************** * * 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(struct net_device *dev , struct ethtool_pauseparam *epause) { DEV_NET *pNet = netdev_priv(dev); SK_AC *pAC = pNet->pAC; SK_GEPORT *pPort = &pAC->GIni.GP[pNet->PortNr]; u32 instance = pnmiInstance(pNet); struct ethtool_pauseparam old; u8 oldspeed = pPort->PLinkSpeedUsed; char buf[4]; int len = 1; int ret; /* ** we have to determine the current settings to see if ** the operator requested any modification of the flow ** control parameters... */ getPauseParams(dev, &old); /* ** perform modifications regarding the changes ** requested by the operator */ if (epause->autoneg != old.autoneg) *buf = epause->autoneg ? SK_FLOW_MODE_NONE : SK_FLOW_MODE_SYMMETRIC; else { if (epause->rx_pause && epause->tx_pause) *buf = SK_FLOW_MODE_SYMMETRIC; else if (epause->rx_pause && !epause->tx_pause) *buf = SK_FLOW_MODE_SYM_OR_REM; else if (!epause->rx_pause && epause->tx_pause) *buf = SK_FLOW_MODE_LOC_SEND; else *buf = 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)); goto err; } /* ** It may be that autoneg has been disabled! Therefore ** set the speed to the previously used value... */ if (!epause->autoneg) { len = 1; ret = SkPnmiSetVar(pAC, pAC->IoBase, OID_SKGE_SPEED_MODE, &oldspeed, &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)); } err: return ret ? -EIO : 0; } /* Only Yukon supports checksum offload. */ static int setScatterGather(struct net_device *dev, u32 data) { DEV_NET *pNet = netdev_priv(dev); SK_AC *pAC = pNet->pAC; if (pAC->GIni.GIChipId == CHIP_ID_GENESIS) return -EOPNOTSUPP; return ethtool_op_set_sg(dev, data); } static int setTxCsum(struct net_device *dev, u32 data) { DEV_NET *pNet = netdev_priv(dev); SK_AC *pAC = pNet->pAC; if (pAC->GIni.GIChipId == CHIP_ID_GENESIS) return -EOPNOTSUPP; return ethtool_op_set_tx_csum(dev, data); } static u32 getRxCsum(struct net_device *dev) { DEV_NET *pNet = netdev_priv(dev); SK_AC *pAC = pNet->pAC; return pAC->RxPort[pNet->PortNr].RxCsum; } static int setRxCsum(struct net_device *dev, u32 data) { DEV_NET *pNet = netdev_priv(dev); SK_AC *pAC = pNet->pAC; if (pAC->GIni.GIChipId == CHIP_ID_GENESIS) return -EOPNOTSUPP; pAC->RxPort[pNet->PortNr].RxCsum = data != 0; return 0; } static int getRegsLen(struct net_device *dev) { return 0x4000; } /* * Returns copy of whole control register region * Note: skip RAM address register because accessing it will * cause bus hangs! */ static void getRegs(struct net_device *dev, struct ethtool_regs *regs, void *p) { DEV_NET *pNet = netdev_priv(dev); const void __iomem *io = pNet->pAC->IoBase; regs->version = 1; memset(p, 0, regs->len); memcpy_fromio(p, io, B3_RAM_ADDR); memcpy_fromio(p + B3_RI_WTO_R1, io + B3_RI_WTO_R1, regs->len - B3_RI_WTO_R1); } const struct ethtool_ops SkGeEthtoolOps = { .get_settings = getSettings, .set_settings = setSettings, .get_drvinfo = getDriverInfo, .get_strings = getStrings, .get_stats_count = getStatsCount, .get_ethtool_stats = getEthtoolStats, .phys_id = locateDevice, .get_pauseparam = getPauseParams, .set_pauseparam = setPauseParams, .get_link = ethtool_op_get_link, .get_sg = ethtool_op_get_sg, .set_sg = setScatterGather, .get_tx_csum = ethtool_op_get_tx_csum, .set_tx_csum = setTxCsum, .get_rx_csum = getRxCsum, .set_rx_csum = setRxCsum, .get_regs = getRegs, .get_regs_len = getRegsLen, };