sk98lin: resurrect driver

This reverts commit e1abecc48938fbe1966ea6e78267fc673fa59295.

The driver works on some hardware that skge doesn't handle yet.

Signed-off-by: Stephen Hemminger <shemminger@linux-foundation.org>
Signed-off-by: Jeff Garzik <jeff@garzik.org>

1 files changed, 627 insertions, 0 deletions

diff --git a/drivers/net/sk98lin/skethtool.c b/drivers/net/sk98lin/skethtool.c
new file mode 100644
index 000000000000..5a6da8950faa
--- /dev/null
+++ b/drivers/net/sk98lin/skethtool.c
@@ -0,0 +1,627 @@
+/******************************************************************************
+ *
+ * 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,
+};