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,
+};