drivers/net/netxen/netxen_nic_ethtool.c - linux/kernel/git/gregkh/char-misc - Git at Google

 /*
  * Copyright (C) 2003 - 2006 NetXen, Inc.
  * All rights reserved.
  *
  * This program is free software; you can redistribute it and/or
  * modify it under the terms of the GNU General Public License
  * as published by the Free Software Foundation; either version 2
  * of the License, or (at your option) any later version.
  *
  * This program is distributed in the hope that it will be useful, but
  * WITHOUT ANY WARRANTY; without even the implied warranty of
  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  * GNU General Public License for more details.
  *
  * You should have received a copy of the GNU General Public License
  * along with this program; if not, write to the Free Software
  * Foundation, Inc., 59 Temple Place - Suite 330, Boston,
  * MA  02111-1307, USA.
  *
  * The full GNU General Public License is included in this distribution
  * in the file called LICENSE.
  *
  * Contact Information:
  *    info@netxen.com
  * NetXen,
  * 3965 Freedom Circle, Fourth floor,
  * Santa Clara, CA 95054
  *
  *
  * ethtool support for netxen nic
  *
  */

 #include <linux/types.h>
 #include <linux/delay.h>
 #include <asm/uaccess.h>
 #include <linux/pci.h>
 #include <asm/io.h>
 #include <linux/netdevice.h>
 #include <linux/ethtool.h>
 #include <linux/version.h>

 #include "netxen_nic_hw.h"
 #include "netxen_nic.h"
 #include "netxen_nic_phan_reg.h"

 struct netxen_nic_stats {
 	char stat_string[ETH_GSTRING_LEN];
 	int sizeof_stat;
 	int stat_offset;
 };

 #define NETXEN_NIC_STAT(m) sizeof(((struct netxen_port *)0)->m), \
 			offsetof(struct netxen_port, m)

 #define NETXEN_NIC_PORT_WINDOW 0x10000
 #define NETXEN_NIC_INVALID_DATA 0xDEADBEEF

 static const struct netxen_nic_stats netxen_nic_gstrings_stats[] = {
 	{"rcvd_bad_skb", NETXEN_NIC_STAT(stats.rcvdbadskb)},
 	{"xmit_called", NETXEN_NIC_STAT(stats.xmitcalled)},
 	{"xmited_frames", NETXEN_NIC_STAT(stats.xmitedframes)},
 	{"xmit_finished", NETXEN_NIC_STAT(stats.xmitfinished)},
 	{"bad_skb_len", NETXEN_NIC_STAT(stats.badskblen)},
 	{"no_cmd_desc", NETXEN_NIC_STAT(stats.nocmddescriptor)},
 	{"polled", NETXEN_NIC_STAT(stats.polled)},
 	{"uphappy", NETXEN_NIC_STAT(stats.uphappy)},
 	{"updropped", NETXEN_NIC_STAT(stats.updropped)},
 	{"uplcong", NETXEN_NIC_STAT(stats.uplcong)},
 	{"uphcong", NETXEN_NIC_STAT(stats.uphcong)},
 	{"upmcong", NETXEN_NIC_STAT(stats.upmcong)},
 	{"updunno", NETXEN_NIC_STAT(stats.updunno)},
 	{"skb_freed", NETXEN_NIC_STAT(stats.skbfreed)},
 	{"tx_dropped", NETXEN_NIC_STAT(stats.txdropped)},
 	{"tx_null_skb", NETXEN_NIC_STAT(stats.txnullskb)},
 	{"csummed", NETXEN_NIC_STAT(stats.csummed)},
 	{"no_rcv", NETXEN_NIC_STAT(stats.no_rcv)},
 	{"rx_bytes", NETXEN_NIC_STAT(stats.rxbytes)},
 	{"tx_bytes", NETXEN_NIC_STAT(stats.txbytes)},
 };

 #define NETXEN_NIC_STATS_LEN	ARRAY_SIZE(netxen_nic_gstrings_stats)

 static const char netxen_nic_gstrings_test[][ETH_GSTRING_LEN] = {
 	"Register_Test_on_offline",
 	"Link_Test_on_offline"
 };

 #define NETXEN_NIC_TEST_LEN sizeof(netxen_nic_gstrings_test) / ETH_GSTRING_LEN

 #define NETXEN_NIC_REGS_COUNT 42
 #define NETXEN_NIC_REGS_LEN (NETXEN_NIC_REGS_COUNT * sizeof(__le32))
 #define NETXEN_MAX_EEPROM_LEN   1024

 static int netxen_nic_get_eeprom_len(struct net_device *dev)
 {
 	return FLASH_TOTAL_SIZE;
 }

 static void
 netxen_nic_get_drvinfo(struct net_device *dev, struct ethtool_drvinfo *drvinfo)
 {
 	struct netxen_port *port = netdev_priv(dev);
 	struct netxen_adapter *adapter = port->adapter;
 	u32 fw_major = 0;
 	u32 fw_minor = 0;
 	u32 fw_build = 0;

 	strncpy(drvinfo->driver, netxen_nic_driver_name, 32);
 	strncpy(drvinfo->version, NETXEN_NIC_LINUX_VERSIONID, 32);
 	fw_major = readl(NETXEN_CRB_NORMALIZE(adapter,
 					      NETXEN_FW_VERSION_MAJOR));
 	fw_minor = readl(NETXEN_CRB_NORMALIZE(adapter,
 					      NETXEN_FW_VERSION_MINOR));
 	fw_build = readl(NETXEN_CRB_NORMALIZE(adapter, NETXEN_FW_VERSION_SUB));
 	sprintf(drvinfo->fw_version, "%d.%d.%d", fw_major, fw_minor, fw_build);

 	strncpy(drvinfo->bus_info, pci_name(port->pdev), 32);
 	drvinfo->n_stats = NETXEN_NIC_STATS_LEN;
 	drvinfo->testinfo_len = NETXEN_NIC_TEST_LEN;
 	drvinfo->regdump_len = NETXEN_NIC_REGS_LEN;
 	drvinfo->eedump_len = netxen_nic_get_eeprom_len(dev);
 }

 static int
 netxen_nic_get_settings(struct net_device *dev, struct ethtool_cmd *ecmd)
 {
 	struct netxen_port *port = netdev_priv(dev);
 	struct netxen_adapter *adapter = port->adapter;
 	struct netxen_board_info *boardinfo = &adapter->ahw.boardcfg;

 	/* read which mode */
 	if (adapter->ahw.board_type == NETXEN_NIC_GBE) {
 		ecmd->supported = (SUPPORTED_10baseT_Half |
 				   SUPPORTED_10baseT_Full |
 				   SUPPORTED_100baseT_Half |
 				   SUPPORTED_100baseT_Full |
 				   SUPPORTED_1000baseT_Half |
 				   SUPPORTED_1000baseT_Full);

 		ecmd->advertising = (ADVERTISED_100baseT_Half |
 				     ADVERTISED_100baseT_Full |
 				     ADVERTISED_1000baseT_Half |
 				     ADVERTISED_1000baseT_Full);

 		ecmd->port = PORT_TP;

 		if (netif_running(dev)) {
 			ecmd->speed = port->link_speed;
 			ecmd->duplex = port->link_duplex;
 		} else
 			return -EIO;	/* link absent */
 	} else if (adapter->ahw.board_type == NETXEN_NIC_XGBE) {
 		ecmd->supported = (SUPPORTED_TP |
 				   SUPPORTED_1000baseT_Full |
 				   SUPPORTED_10000baseT_Full);
 		ecmd->advertising = (ADVERTISED_TP |
 				     ADVERTISED_1000baseT_Full |
 				     ADVERTISED_10000baseT_Full);
 		ecmd->port = PORT_TP;

 		ecmd->speed = SPEED_10000;
 		ecmd->duplex = DUPLEX_FULL;
 		ecmd->autoneg = AUTONEG_DISABLE;
 	} else
 		return -EIO;

 	ecmd->phy_address = port->portnum;
 	ecmd->transceiver = XCVR_EXTERNAL;

 	switch ((netxen_brdtype_t) boardinfo->board_type) {
 	case NETXEN_BRDTYPE_P2_SB35_4G:
 	case NETXEN_BRDTYPE_P2_SB31_2G:
 		ecmd->supported |= SUPPORTED_Autoneg;
 		ecmd->advertising |= ADVERTISED_Autoneg;
 	case NETXEN_BRDTYPE_P2_SB31_10G_CX4:
 		ecmd->supported |= SUPPORTED_TP;
 		ecmd->advertising |= ADVERTISED_TP;
 		ecmd->port = PORT_TP;
 		ecmd->autoneg = (boardinfo->board_type ==
 				 NETXEN_BRDTYPE_P2_SB31_10G_CX4) ?
 		    (AUTONEG_DISABLE) : (port->link_autoneg);
 		break;
 	case NETXEN_BRDTYPE_P2_SB31_10G_HMEZ:
 	case NETXEN_BRDTYPE_P2_SB31_10G_IMEZ:
 		ecmd->supported |= SUPPORTED_MII;
 		ecmd->advertising |= ADVERTISED_MII;
 		ecmd->port = PORT_FIBRE;
 		ecmd->autoneg = AUTONEG_DISABLE;
 		break;
 	case NETXEN_BRDTYPE_P2_SB31_10G:
 		ecmd->supported |= SUPPORTED_FIBRE;
 		ecmd->advertising |= ADVERTISED_FIBRE;
 		ecmd->port = PORT_FIBRE;
 		ecmd->autoneg = AUTONEG_DISABLE;
 		break;
 	default:
 		printk(KERN_ERR "netxen-nic: Unsupported board model %d\n",
 		       (netxen_brdtype_t) boardinfo->board_type);
 		return -EIO;
 	}

 	return 0;
 }

 static int
 netxen_nic_set_settings(struct net_device *dev, struct ethtool_cmd *ecmd)
 {
 	struct netxen_port *port = netdev_priv(dev);
 	struct netxen_adapter *adapter = port->adapter;
 	__u32 status;

 	/* read which mode */
 	if (adapter->ahw.board_type == NETXEN_NIC_GBE) {
 		/* autonegotiation */
 		if (adapter->phy_write
 		    && adapter->phy_write(adapter, port->portnum,
 					  NETXEN_NIU_GB_MII_MGMT_ADDR_AUTONEG,
 					  ecmd->autoneg) != 0)
 			return -EIO;
 		else
 			port->link_autoneg = ecmd->autoneg;

 		if (adapter->phy_read
 		    && adapter->phy_read(adapter, port->portnum,
 					 NETXEN_NIU_GB_MII_MGMT_ADDR_PHY_STATUS,
 					 &status) != 0)
 			return -EIO;

 		/* speed */
 		switch (ecmd->speed) {
 		case SPEED_10:
 			netxen_set_phy_speed(status, 0);
 			break;
 		case SPEED_100:
 			netxen_set_phy_speed(status, 1);
 			break;
 		case SPEED_1000:
 			netxen_set_phy_speed(status, 2);
 			break;
 		}
 		/* set duplex mode */
 		if (ecmd->duplex == DUPLEX_HALF)
 			netxen_clear_phy_duplex(status);
 		if (ecmd->duplex == DUPLEX_FULL)
 			netxen_set_phy_duplex(status);
 		if (adapter->phy_write
 		    && adapter->phy_write(adapter, port->portnum,
 					  NETXEN_NIU_GB_MII_MGMT_ADDR_PHY_STATUS,
 					  *((int *)&status)) != 0)
 			return -EIO;
 		else {
 			port->link_speed = ecmd->speed;
 			port->link_duplex = ecmd->duplex;
 		}
 	} else
 		return -EOPNOTSUPP;

 	if (netif_running(dev)) {
 		dev->stop(dev);
 		dev->open(dev);
 	}
 	return 0;
 }

 static int netxen_nic_get_regs_len(struct net_device *dev)
 {
 	return NETXEN_NIC_REGS_LEN;
 }

 struct netxen_niu_regs {
 	__u32 reg[NETXEN_NIC_REGS_COUNT];
 };

 static struct netxen_niu_regs niu_registers[] = {
 	{
 	 /* GB Mode */
 	 {
 	  NETXEN_NIU_GB_SERDES_RESET,
 	  NETXEN_NIU_GB0_MII_MODE,
 	  NETXEN_NIU_GB1_MII_MODE,
 	  NETXEN_NIU_GB2_MII_MODE,
 	  NETXEN_NIU_GB3_MII_MODE,
 	  NETXEN_NIU_GB0_GMII_MODE,
 	  NETXEN_NIU_GB1_GMII_MODE,
 	  NETXEN_NIU_GB2_GMII_MODE,
 	  NETXEN_NIU_GB3_GMII_MODE,
 	  NETXEN_NIU_REMOTE_LOOPBACK,
 	  NETXEN_NIU_GB0_HALF_DUPLEX,
 	  NETXEN_NIU_GB1_HALF_DUPLEX,
 	  NETXEN_NIU_RESET_SYS_FIFOS,
 	  NETXEN_NIU_GB_CRC_DROP,
 	  NETXEN_NIU_GB_DROP_WRONGADDR,
 	  NETXEN_NIU_TEST_MUX_CTL,

 	  NETXEN_NIU_GB_MAC_CONFIG_0(0),
 	  NETXEN_NIU_GB_MAC_CONFIG_1(0),
 	  NETXEN_NIU_GB_HALF_DUPLEX_CTRL(0),
 	  NETXEN_NIU_GB_MAX_FRAME_SIZE(0),
 	  NETXEN_NIU_GB_TEST_REG(0),
 	  NETXEN_NIU_GB_MII_MGMT_CONFIG(0),
 	  NETXEN_NIU_GB_MII_MGMT_COMMAND(0),
 	  NETXEN_NIU_GB_MII_MGMT_ADDR(0),
 	  NETXEN_NIU_GB_MII_MGMT_CTRL(0),
 	  NETXEN_NIU_GB_MII_MGMT_STATUS(0),
 	  NETXEN_NIU_GB_MII_MGMT_INDICATE(0),
 	  NETXEN_NIU_GB_INTERFACE_CTRL(0),
 	  NETXEN_NIU_GB_INTERFACE_STATUS(0),
 	  NETXEN_NIU_GB_STATION_ADDR_0(0),
 	  NETXEN_NIU_GB_STATION_ADDR_1(0),
 	  -1,
 	  }
 	 },
 	{
 	 /* XG Mode */
 	 {
 	  NETXEN_NIU_XG_SINGLE_TERM,
 	  NETXEN_NIU_XG_DRIVE_HI,
 	  NETXEN_NIU_XG_DRIVE_LO,
 	  NETXEN_NIU_XG_DTX,
 	  NETXEN_NIU_XG_DEQ,
 	  NETXEN_NIU_XG_WORD_ALIGN,
 	  NETXEN_NIU_XG_RESET,
 	  NETXEN_NIU_XG_POWER_DOWN,
 	  NETXEN_NIU_XG_RESET_PLL,
 	  NETXEN_NIU_XG_SERDES_LOOPBACK,
 	  NETXEN_NIU_XG_DO_BYTE_ALIGN,
 	  NETXEN_NIU_XG_TX_ENABLE,
 	  NETXEN_NIU_XG_RX_ENABLE,
 	  NETXEN_NIU_XG_STATUS,
 	  NETXEN_NIU_XG_PAUSE_THRESHOLD,
 	  NETXEN_NIU_XGE_CONFIG_0,
 	  NETXEN_NIU_XGE_CONFIG_1,
 	  NETXEN_NIU_XGE_IPG,
 	  NETXEN_NIU_XGE_STATION_ADDR_0_HI,
 	  NETXEN_NIU_XGE_STATION_ADDR_0_1,
 	  NETXEN_NIU_XGE_STATION_ADDR_1_LO,
 	  NETXEN_NIU_XGE_STATUS,
 	  NETXEN_NIU_XGE_MAX_FRAME_SIZE,
 	  NETXEN_NIU_XGE_PAUSE_FRAME_VALUE,
 	  NETXEN_NIU_XGE_TX_BYTE_CNT,
 	  NETXEN_NIU_XGE_TX_FRAME_CNT,
 	  NETXEN_NIU_XGE_RX_BYTE_CNT,
 	  NETXEN_NIU_XGE_RX_FRAME_CNT,
 	  NETXEN_NIU_XGE_AGGR_ERROR_CNT,
 	  NETXEN_NIU_XGE_MULTICAST_FRAME_CNT,
 	  NETXEN_NIU_XGE_UNICAST_FRAME_CNT,
 	  NETXEN_NIU_XGE_CRC_ERROR_CNT,
 	  NETXEN_NIU_XGE_OVERSIZE_FRAME_ERR,
 	  NETXEN_NIU_XGE_UNDERSIZE_FRAME_ERR,
 	  NETXEN_NIU_XGE_LOCAL_ERROR_CNT,
 	  NETXEN_NIU_XGE_REMOTE_ERROR_CNT,
 	  NETXEN_NIU_XGE_CONTROL_CHAR_CNT,
 	  NETXEN_NIU_XGE_PAUSE_FRAME_CNT,
 	  -1,
 	  }
 	 }
 };

 static void
 netxen_nic_get_regs(struct net_device *dev, struct ethtool_regs *regs, void *p)
 {
 	struct netxen_port *port = netdev_priv(dev);
 	struct netxen_adapter *adapter = port->adapter;
 	__u32 mode, *regs_buff = p;
 	void __iomem *addr;
 	int i, window;

 	memset(p, 0, NETXEN_NIC_REGS_LEN);
 	regs->version = (1 << 24) | (adapter->ahw.revision_id << 16) |
 	    (port->pdev)->device;
 	/* which mode */
 	NETXEN_NIC_LOCKED_READ_REG(NETXEN_NIU_MODE, &regs_buff[0]);
 	mode = regs_buff[0];

 	/* Common registers to all the modes */
 	NETXEN_NIC_LOCKED_READ_REG(NETXEN_NIU_STRAP_VALUE_SAVE_HIGHER,
 				   &regs_buff[2]);
 	/* GB/XGB Mode */
 	mode = (mode / 2) - 1;
 	window = 0;
 	if (mode <= 1) {
 		for (i = 3; niu_registers[mode].reg[i - 3] != -1; i++) {
 			/* GB: port specific registers */
 			if (mode == 0 && i >= 19)
 				window = port->portnum * NETXEN_NIC_PORT_WINDOW;

 			NETXEN_NIC_LOCKED_READ_REG(niu_registers[mode].
 						   reg[i - 3] + window,
 						   &regs_buff[i]);
 		}

 	}
 }

 static u32 netxen_nic_test_link(struct net_device *dev)
 {
 	struct netxen_port *port = netdev_priv(dev);
 	struct netxen_adapter *adapter = port->adapter;
 	__u32 status;
 	int val;

 	/* read which mode */
 	if (adapter->ahw.board_type == NETXEN_NIC_GBE) {
 		if (adapter->phy_read
 		    && adapter->phy_read(adapter, port->portnum,
 					 NETXEN_NIU_GB_MII_MGMT_ADDR_PHY_STATUS,
 					 &status) != 0)
 			return -EIO;
 		else {
 			val = netxen_get_phy_link(status);
 			return !val;
 		}
 	} else if (adapter->ahw.board_type == NETXEN_NIC_XGBE) {
 		val = readl(NETXEN_CRB_NORMALIZE(adapter, CRB_XG_STATE));
 		return (val == XG_LINK_UP) ? 0 : 1;
 	}
 	return -EIO;
 }

 static int
 netxen_nic_get_eeprom(struct net_device *dev, struct ethtool_eeprom *eeprom,
 		      u8 * bytes)
 {
 	struct netxen_port *port = netdev_priv(dev);
 	struct netxen_adapter *adapter = port->adapter;
 	int offset;
 	int ret;

 	if (eeprom->len == 0)
 		return -EINVAL;

 	eeprom->magic = (port->pdev)->vendor | ((port->pdev)->device << 16);
 	offset = eeprom->offset;

 	ret = netxen_rom_fast_read_words(adapter, offset, bytes,
 						eeprom->len);
 	if (ret < 0)
 		return ret;

 	return 0;
 }

 static int
 netxen_nic_set_eeprom(struct net_device *dev, struct ethtool_eeprom *eeprom,
 			u8 * bytes)
 {
 	struct netxen_port *port = netdev_priv(dev);
 	struct netxen_adapter *adapter = port->adapter;
 	int offset = eeprom->offset;
 	static int flash_start;
 	static int ready_to_flash;
 	int ret;

 	if (flash_start == 0) {
 		netxen_halt_pegs(adapter);
 		ret = netxen_flash_unlock(adapter);
 		if (ret < 0) {
 			printk(KERN_ERR "%s: Flash unlock failed.\n",
 				netxen_nic_driver_name);
 			return ret;
 		}
 		printk(KERN_INFO "%s: flash unlocked. \n",
 			netxen_nic_driver_name);
 		last_schedule_time = jiffies;
 		ret = netxen_flash_erase_secondary(adapter);
 		if (ret != FLASH_SUCCESS) {
 			printk(KERN_ERR "%s: Flash erase failed.\n",
 				netxen_nic_driver_name);
 			return ret;
 		}
 		printk(KERN_INFO "%s: secondary flash erased successfully.\n",
 			netxen_nic_driver_name);
 		flash_start = 1;
 		return 0;
 	}

 	if (offset == BOOTLD_START) {
 		ret = netxen_flash_erase_primary(adapter);
 		if (ret != FLASH_SUCCESS) {
 			printk(KERN_ERR "%s: Flash erase failed.\n",
 				netxen_nic_driver_name);
 			return ret;
 		}

 		ret = netxen_rom_se(adapter, USER_START);
 		if (ret != FLASH_SUCCESS)
 			return ret;
 		ret = netxen_rom_se(adapter, FIXED_START);
 		if (ret != FLASH_SUCCESS)
 			return ret;

 		printk(KERN_INFO "%s: primary flash erased successfully\n",
 			netxen_nic_driver_name);

 		ret = netxen_backup_crbinit(adapter);
 		if (ret != FLASH_SUCCESS) {
 			printk(KERN_ERR "%s: CRBinit backup failed.\n",
 				netxen_nic_driver_name);
 			return ret;
 		}
 		printk(KERN_INFO "%s: CRBinit backup done.\n",
 			netxen_nic_driver_name);
 		ready_to_flash = 1;
 	}

 	if (!ready_to_flash) {
 		printk(KERN_ERR "%s: Invalid write sequence, returning...\n",
 			netxen_nic_driver_name);
 		return -EINVAL;
 	}

 	return netxen_rom_fast_write_words(adapter, offset, bytes, eeprom->len);
 }

 static void
 netxen_nic_get_ringparam(struct net_device *dev, struct ethtool_ringparam *ring)
 {
 	struct netxen_port *port = netdev_priv(dev);
 	struct netxen_adapter *adapter = port->adapter;
 	int i;

 	ring->rx_pending = 0;
 	ring->rx_jumbo_pending = 0;
 	for (i = 0; i < MAX_RCV_CTX; ++i) {
 		ring->rx_pending += adapter->recv_ctx[i].
 		    rcv_desc[RCV_DESC_NORMAL_CTXID].rcv_pending;
 		ring->rx_jumbo_pending += adapter->recv_ctx[i].
 		    rcv_desc[RCV_DESC_JUMBO_CTXID].rcv_pending;
 	}

 	ring->rx_max_pending = adapter->max_rx_desc_count;
 	ring->tx_max_pending = adapter->max_tx_desc_count;
 	ring->rx_jumbo_max_pending = adapter->max_jumbo_rx_desc_count;
 	ring->rx_mini_max_pending = 0;
 	ring->rx_mini_pending = 0;
 	ring->rx_jumbo_pending = 0;
 }

 static void
 netxen_nic_get_pauseparam(struct net_device *dev,
 			  struct ethtool_pauseparam *pause)
 {
 	struct netxen_port *port = netdev_priv(dev);
 	struct netxen_adapter *adapter = port->adapter;
 	__u32 val;

 	if (adapter->ahw.board_type == NETXEN_NIC_GBE) {
 		/* get flow control settings */
 		netxen_nic_read_w0(adapter,
 				   NETXEN_NIU_GB_MAC_CONFIG_0(port->portnum),
 				   &val);
 		pause->rx_pause = netxen_gb_get_rx_flowctl(val);
 		pause->tx_pause = netxen_gb_get_tx_flowctl(val);
 		/* get autoneg settings */
 		pause->autoneg = port->link_autoneg;
 	}
 }

 static int
 netxen_nic_set_pauseparam(struct net_device *dev,
 			  struct ethtool_pauseparam *pause)
 {
 	struct netxen_port *port = netdev_priv(dev);
 	struct netxen_adapter *adapter = port->adapter;
 	__u32 val;
 	unsigned int autoneg;

 	/* read mode */
 	if (adapter->ahw.board_type == NETXEN_NIC_GBE) {
 		/* set flow control */
 		netxen_nic_read_w0(adapter,
 				   NETXEN_NIU_GB_MAC_CONFIG_0(port->portnum),
 				   (u32 *) & val);
 		if (pause->tx_pause)
 			netxen_gb_tx_flowctl(val);
 		else
 			netxen_gb_unset_tx_flowctl(val);
 		if (pause->rx_pause)
 			netxen_gb_rx_flowctl(val);
 		else
 			netxen_gb_unset_rx_flowctl(val);

 		netxen_nic_write_w0(adapter,
 				    NETXEN_NIU_GB_MAC_CONFIG_0(port->portnum),
 				    *&val);
 		/* set autoneg */
 		autoneg = pause->autoneg;
 		if (adapter->phy_write
 		    && adapter->phy_write(adapter, port->portnum,
 					  NETXEN_NIU_GB_MII_MGMT_ADDR_AUTONEG,
 					  autoneg) != 0)
 			return -EIO;
 		else {
 			port->link_autoneg = pause->autoneg;
 			return 0;
 		}
 	} else
 		return -EOPNOTSUPP;
 }

 static int netxen_nic_reg_test(struct net_device *dev)
 {
 	struct netxen_adapter *adapter = netdev_priv(dev);
 	u32 data_read, data_written;

 	netxen_nic_read_w0(adapter, NETXEN_PCIX_PH_REG(0), &data_read);
 	if ((data_read & 0xffff) != PHAN_VENDOR_ID)
 	return 1;

 	data_written = (u32)0xa5a5a5a5;

 	netxen_nic_reg_write(adapter, CRB_SCRATCHPAD_TEST, data_written);
 	data_read = readl(NETXEN_CRB_NORMALIZE(adapter, CRB_SCRATCHPAD_TEST));
 	if (data_written != data_read)
 		return 1;

 	return 0;
 }

 static int netxen_nic_diag_test_count(struct net_device *dev)
 {
 	return NETXEN_NIC_TEST_LEN;
 }

 static void
 netxen_nic_diag_test(struct net_device *dev, struct ethtool_test *eth_test,
 		     u64 * data)
 {
 	if (eth_test->flags == ETH_TEST_FL_OFFLINE) {	/* offline tests */
 		/* link test */
 		if ((data[1] = (u64) netxen_nic_test_link(dev)))
 			eth_test->flags |= ETH_TEST_FL_FAILED;

 		/* register tests */
 		if ((data[0] = netxen_nic_reg_test(dev)))
 			eth_test->flags |= ETH_TEST_FL_FAILED;
 	} else {		/* online tests */
 		/* register tests */
 		if((data[0] = netxen_nic_reg_test(dev)))
 			eth_test->flags |= ETH_TEST_FL_FAILED;

 		/* link test */
 		if ((data[1] = (u64) netxen_nic_test_link(dev)))
 			eth_test->flags |= ETH_TEST_FL_FAILED;
 	}
 }

 static void
 netxen_nic_get_strings(struct net_device *dev, u32 stringset, u8 * data)
 {
 	int index;

 	switch (stringset) {
 	case ETH_SS_TEST:
 		memcpy(data, *netxen_nic_gstrings_test,
 		       NETXEN_NIC_TEST_LEN * ETH_GSTRING_LEN);
 		break;
 	case ETH_SS_STATS:
 		for (index = 0; index < NETXEN_NIC_STATS_LEN; index++) {
 			memcpy(data + index * ETH_GSTRING_LEN,
 			       netxen_nic_gstrings_stats[index].stat_string,
 			       ETH_GSTRING_LEN);
 		}
 		break;
 	}
 }

 static int netxen_nic_get_stats_count(struct net_device *dev)
 {
 	return NETXEN_NIC_STATS_LEN;
 }

 static void
 netxen_nic_get_ethtool_stats(struct net_device *dev,
 			     struct ethtool_stats *stats, u64 * data)
 {
 	struct netxen_port *port = netdev_priv(dev);
 	int index;

 	for (index = 0; index < NETXEN_NIC_STATS_LEN; index++) {
 		char *p =
 		    (char *)port + netxen_nic_gstrings_stats[index].stat_offset;
 		data[index] =
 		    (netxen_nic_gstrings_stats[index].sizeof_stat ==
 		     sizeof(u64)) ? *(u64 *) p : *(u32 *) p;
 	}
 }

 struct ethtool_ops netxen_nic_ethtool_ops = {
 	.get_settings = netxen_nic_get_settings,
 	.set_settings = netxen_nic_set_settings,
 	.get_drvinfo = netxen_nic_get_drvinfo,
 	.get_regs_len = netxen_nic_get_regs_len,
 	.get_regs = netxen_nic_get_regs,
 	.get_link = ethtool_op_get_link,
 	.get_eeprom_len = netxen_nic_get_eeprom_len,
 	.get_eeprom = netxen_nic_get_eeprom,
 	.set_eeprom = netxen_nic_set_eeprom,
 	.get_ringparam = netxen_nic_get_ringparam,
 	.get_pauseparam = netxen_nic_get_pauseparam,
 	.set_pauseparam = netxen_nic_set_pauseparam,
 	.get_tx_csum = ethtool_op_get_tx_csum,
 	.set_tx_csum = ethtool_op_set_tx_csum,
 	.get_sg = ethtool_op_get_sg,
 	.set_sg = ethtool_op_set_sg,
 	.get_tso = ethtool_op_get_tso,
 	.set_tso = ethtool_op_set_tso,
 	.self_test_count = netxen_nic_diag_test_count,
 	.self_test = netxen_nic_diag_test,
 	.get_strings = netxen_nic_get_strings,
 	.get_stats_count = netxen_nic_get_stats_count,
 	.get_ethtool_stats = netxen_nic_get_ethtool_stats,
 	.get_perm_addr = ethtool_op_get_perm_addr,
 };
	/*
	* Copyright (C) 2003 - 2006 NetXen, Inc.
	* All rights reserved.
	*
	* This program is free software; you can redistribute it and/or
	* modify it under the terms of the GNU General Public License
	* as published by the Free Software Foundation; either version 2
	* of the License, or (at your option) any later version.
	*
	* This program is distributed in the hope that it will be useful, but
	* WITHOUT ANY WARRANTY; without even the implied warranty of
	* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
	* GNU General Public License for more details.
	*
	* You should have received a copy of the GNU General Public License
	* along with this program; if not, write to the Free Software
	* Foundation, Inc., 59 Temple Place - Suite 330, Boston,
	* MA 02111-1307, USA.
	*
	* The full GNU General Public License is included in this distribution
	* in the file called LICENSE.
	*
	* Contact Information:
	* info@netxen.com
	* NetXen,
	* 3965 Freedom Circle, Fourth floor,
	* Santa Clara, CA 95054
	*
	*
	* ethtool support for netxen nic
	*
	*/

	#include <linux/types.h>
	#include <linux/delay.h>
	#include <asm/uaccess.h>
	#include <linux/pci.h>
	#include <asm/io.h>
	#include <linux/netdevice.h>
	#include <linux/ethtool.h>
	#include <linux/version.h>

	#include "netxen_nic_hw.h"
	#include "netxen_nic.h"
	#include "netxen_nic_phan_reg.h"

	struct netxen_nic_stats {
	char stat_string[ETH_GSTRING_LEN];
	int sizeof_stat;
	int stat_offset;
	};

	#define NETXEN_NIC_STAT(m) sizeof(((struct netxen_port *)0)->m), \
	offsetof(struct netxen_port, m)

	#define NETXEN_NIC_PORT_WINDOW 0x10000
	#define NETXEN_NIC_INVALID_DATA 0xDEADBEEF

	static const struct netxen_nic_stats netxen_nic_gstrings_stats[] = {
	{"rcvd_bad_skb", NETXEN_NIC_STAT(stats.rcvdbadskb)},
	{"xmit_called", NETXEN_NIC_STAT(stats.xmitcalled)},
	{"xmited_frames", NETXEN_NIC_STAT(stats.xmitedframes)},
	{"xmit_finished", NETXEN_NIC_STAT(stats.xmitfinished)},
	{"bad_skb_len", NETXEN_NIC_STAT(stats.badskblen)},
	{"no_cmd_desc", NETXEN_NIC_STAT(stats.nocmddescriptor)},
	{"polled", NETXEN_NIC_STAT(stats.polled)},
	{"uphappy", NETXEN_NIC_STAT(stats.uphappy)},
	{"updropped", NETXEN_NIC_STAT(stats.updropped)},
	{"uplcong", NETXEN_NIC_STAT(stats.uplcong)},
	{"uphcong", NETXEN_NIC_STAT(stats.uphcong)},
	{"upmcong", NETXEN_NIC_STAT(stats.upmcong)},
	{"updunno", NETXEN_NIC_STAT(stats.updunno)},
	{"skb_freed", NETXEN_NIC_STAT(stats.skbfreed)},
	{"tx_dropped", NETXEN_NIC_STAT(stats.txdropped)},
	{"tx_null_skb", NETXEN_NIC_STAT(stats.txnullskb)},
	{"csummed", NETXEN_NIC_STAT(stats.csummed)},
	{"no_rcv", NETXEN_NIC_STAT(stats.no_rcv)},
	{"rx_bytes", NETXEN_NIC_STAT(stats.rxbytes)},
	{"tx_bytes", NETXEN_NIC_STAT(stats.txbytes)},
	};

	#define NETXEN_NIC_STATS_LEN ARRAY_SIZE(netxen_nic_gstrings_stats)

	static const char netxen_nic_gstrings_test[][ETH_GSTRING_LEN] = {
	"Register_Test_on_offline",
	"Link_Test_on_offline"
	};

	#define NETXEN_NIC_TEST_LEN sizeof(netxen_nic_gstrings_test) / ETH_GSTRING_LEN

	#define NETXEN_NIC_REGS_COUNT 42
	#define NETXEN_NIC_REGS_LEN (NETXEN_NIC_REGS_COUNT * sizeof(__le32))
	#define NETXEN_MAX_EEPROM_LEN 1024

	static int netxen_nic_get_eeprom_len(struct net_device *dev)
	{
	return FLASH_TOTAL_SIZE;
	}

	static void
	netxen_nic_get_drvinfo(struct net_device dev, struct ethtool_drvinfo drvinfo)
	{
	struct netxen_port *port = netdev_priv(dev);
	struct netxen_adapter *adapter = port->adapter;
	u32 fw_major = 0;
	u32 fw_minor = 0;
	u32 fw_build = 0;

	strncpy(drvinfo->driver, netxen_nic_driver_name, 32);
	strncpy(drvinfo->version, NETXEN_NIC_LINUX_VERSIONID, 32);
	fw_major = readl(NETXEN_CRB_NORMALIZE(adapter,
	NETXEN_FW_VERSION_MAJOR));
	fw_minor = readl(NETXEN_CRB_NORMALIZE(adapter,
	NETXEN_FW_VERSION_MINOR));
	fw_build = readl(NETXEN_CRB_NORMALIZE(adapter, NETXEN_FW_VERSION_SUB));
	sprintf(drvinfo->fw_version, "%d.%d.%d", fw_major, fw_minor, fw_build);

	strncpy(drvinfo->bus_info, pci_name(port->pdev), 32);
	drvinfo->n_stats = NETXEN_NIC_STATS_LEN;
	drvinfo->testinfo_len = NETXEN_NIC_TEST_LEN;
	drvinfo->regdump_len = NETXEN_NIC_REGS_LEN;
	drvinfo->eedump_len = netxen_nic_get_eeprom_len(dev);
	}

	static int
	netxen_nic_get_settings(struct net_device dev, struct ethtool_cmd ecmd)
	{
	struct netxen_port *port = netdev_priv(dev);
	struct netxen_adapter *adapter = port->adapter;
	struct netxen_board_info *boardinfo = &adapter->ahw.boardcfg;

	/* read which mode */
	if (adapter->ahw.board_type == NETXEN_NIC_GBE) {
	ecmd->supported = (SUPPORTED_10baseT_Half \|
	SUPPORTED_10baseT_Full \|
	SUPPORTED_100baseT_Half \|
	SUPPORTED_100baseT_Full \|
	SUPPORTED_1000baseT_Half \|
	SUPPORTED_1000baseT_Full);

	ecmd->advertising = (ADVERTISED_100baseT_Half \|
	ADVERTISED_100baseT_Full \|
	ADVERTISED_1000baseT_Half \|
	ADVERTISED_1000baseT_Full);

	ecmd->port = PORT_TP;

	if (netif_running(dev)) {
	ecmd->speed = port->link_speed;
	ecmd->duplex = port->link_duplex;
	} else
	return -EIO; /* link absent */
	} else if (adapter->ahw.board_type == NETXEN_NIC_XGBE) {
	ecmd->supported = (SUPPORTED_TP \|
	SUPPORTED_1000baseT_Full \|
	SUPPORTED_10000baseT_Full);
	ecmd->advertising = (ADVERTISED_TP \|
	ADVERTISED_1000baseT_Full \|
	ADVERTISED_10000baseT_Full);
	ecmd->port = PORT_TP;

	ecmd->speed = SPEED_10000;
	ecmd->duplex = DUPLEX_FULL;
	ecmd->autoneg = AUTONEG_DISABLE;
	} else
	return -EIO;

	ecmd->phy_address = port->portnum;
	ecmd->transceiver = XCVR_EXTERNAL;

	switch ((netxen_brdtype_t) boardinfo->board_type) {
	case NETXEN_BRDTYPE_P2_SB35_4G:
	case NETXEN_BRDTYPE_P2_SB31_2G:
	ecmd->supported \|= SUPPORTED_Autoneg;
	ecmd->advertising \|= ADVERTISED_Autoneg;
	case NETXEN_BRDTYPE_P2_SB31_10G_CX4:
	ecmd->supported \|= SUPPORTED_TP;
	ecmd->advertising \|= ADVERTISED_TP;
	ecmd->port = PORT_TP;
	ecmd->autoneg = (boardinfo->board_type ==
	NETXEN_BRDTYPE_P2_SB31_10G_CX4) ?
	(AUTONEG_DISABLE) : (port->link_autoneg);
	break;
	case NETXEN_BRDTYPE_P2_SB31_10G_HMEZ:
	case NETXEN_BRDTYPE_P2_SB31_10G_IMEZ:
	ecmd->supported \|= SUPPORTED_MII;
	ecmd->advertising \|= ADVERTISED_MII;
	ecmd->port = PORT_FIBRE;
	ecmd->autoneg = AUTONEG_DISABLE;
	break;
	case NETXEN_BRDTYPE_P2_SB31_10G:
	ecmd->supported \|= SUPPORTED_FIBRE;
	ecmd->advertising \|= ADVERTISED_FIBRE;
	ecmd->port = PORT_FIBRE;
	ecmd->autoneg = AUTONEG_DISABLE;
	break;
	default:
	printk(KERN_ERR "netxen-nic: Unsupported board model %d\n",
	(netxen_brdtype_t) boardinfo->board_type);
	return -EIO;
	}

	return 0;
	}

	static int
	netxen_nic_set_settings(struct net_device dev, struct ethtool_cmd ecmd)
	{
	struct netxen_port *port = netdev_priv(dev);
	struct netxen_adapter *adapter = port->adapter;
	__u32 status;

	/* read which mode */
	if (adapter->ahw.board_type == NETXEN_NIC_GBE) {
	/* autonegotiation */
	if (adapter->phy_write
	&& adapter->phy_write(adapter, port->portnum,
	NETXEN_NIU_GB_MII_MGMT_ADDR_AUTONEG,
	ecmd->autoneg) != 0)
	return -EIO;
	else
	port->link_autoneg = ecmd->autoneg;

	if (adapter->phy_read
	&& adapter->phy_read(adapter, port->portnum,
	NETXEN_NIU_GB_MII_MGMT_ADDR_PHY_STATUS,
	&status) != 0)
	return -EIO;

	/* speed */
	switch (ecmd->speed) {
	case SPEED_10:
	netxen_set_phy_speed(status, 0);
	break;
	case SPEED_100:
	netxen_set_phy_speed(status, 1);
	break;
	case SPEED_1000:
	netxen_set_phy_speed(status, 2);
	break;
	}
	/* set duplex mode */
	if (ecmd->duplex == DUPLEX_HALF)
	netxen_clear_phy_duplex(status);
	if (ecmd->duplex == DUPLEX_FULL)
	netxen_set_phy_duplex(status);
	if (adapter->phy_write
	&& adapter->phy_write(adapter, port->portnum,
	NETXEN_NIU_GB_MII_MGMT_ADDR_PHY_STATUS,
	((int )&status)) != 0)
	return -EIO;
	else {
	port->link_speed = ecmd->speed;
	port->link_duplex = ecmd->duplex;
	}
	} else
	return -EOPNOTSUPP;

	if (netif_running(dev)) {
	dev->stop(dev);
	dev->open(dev);
	}
	return 0;
	}

	static int netxen_nic_get_regs_len(struct net_device *dev)
	{
	return NETXEN_NIC_REGS_LEN;
	}

	struct netxen_niu_regs {
	__u32 reg[NETXEN_NIC_REGS_COUNT];
	};

	static struct netxen_niu_regs niu_registers[] = {
	{
	/* GB Mode */
	{
	NETXEN_NIU_GB_SERDES_RESET,
	NETXEN_NIU_GB0_MII_MODE,
	NETXEN_NIU_GB1_MII_MODE,
	NETXEN_NIU_GB2_MII_MODE,
	NETXEN_NIU_GB3_MII_MODE,
	NETXEN_NIU_GB0_GMII_MODE,
	NETXEN_NIU_GB1_GMII_MODE,
	NETXEN_NIU_GB2_GMII_MODE,
	NETXEN_NIU_GB3_GMII_MODE,
	NETXEN_NIU_REMOTE_LOOPBACK,
	NETXEN_NIU_GB0_HALF_DUPLEX,
	NETXEN_NIU_GB1_HALF_DUPLEX,
	NETXEN_NIU_RESET_SYS_FIFOS,
	NETXEN_NIU_GB_CRC_DROP,
	NETXEN_NIU_GB_DROP_WRONGADDR,
	NETXEN_NIU_TEST_MUX_CTL,

	NETXEN_NIU_GB_MAC_CONFIG_0(0),
	NETXEN_NIU_GB_MAC_CONFIG_1(0),
	NETXEN_NIU_GB_HALF_DUPLEX_CTRL(0),
	NETXEN_NIU_GB_MAX_FRAME_SIZE(0),
	NETXEN_NIU_GB_TEST_REG(0),
	NETXEN_NIU_GB_MII_MGMT_CONFIG(0),
	NETXEN_NIU_GB_MII_MGMT_COMMAND(0),
	NETXEN_NIU_GB_MII_MGMT_ADDR(0),
	NETXEN_NIU_GB_MII_MGMT_CTRL(0),
	NETXEN_NIU_GB_MII_MGMT_STATUS(0),
	NETXEN_NIU_GB_MII_MGMT_INDICATE(0),
	NETXEN_NIU_GB_INTERFACE_CTRL(0),
	NETXEN_NIU_GB_INTERFACE_STATUS(0),
	NETXEN_NIU_GB_STATION_ADDR_0(0),
	NETXEN_NIU_GB_STATION_ADDR_1(0),
	-1,
	}
	},
	{
	/* XG Mode */
	{
	NETXEN_NIU_XG_SINGLE_TERM,
	NETXEN_NIU_XG_DRIVE_HI,
	NETXEN_NIU_XG_DRIVE_LO,
	NETXEN_NIU_XG_DTX,
	NETXEN_NIU_XG_DEQ,
	NETXEN_NIU_XG_WORD_ALIGN,
	NETXEN_NIU_XG_RESET,
	NETXEN_NIU_XG_POWER_DOWN,
	NETXEN_NIU_XG_RESET_PLL,
	NETXEN_NIU_XG_SERDES_LOOPBACK,
	NETXEN_NIU_XG_DO_BYTE_ALIGN,
	NETXEN_NIU_XG_TX_ENABLE,
	NETXEN_NIU_XG_RX_ENABLE,
	NETXEN_NIU_XG_STATUS,
	NETXEN_NIU_XG_PAUSE_THRESHOLD,
	NETXEN_NIU_XGE_CONFIG_0,
	NETXEN_NIU_XGE_CONFIG_1,
	NETXEN_NIU_XGE_IPG,
	NETXEN_NIU_XGE_STATION_ADDR_0_HI,
	NETXEN_NIU_XGE_STATION_ADDR_0_1,
	NETXEN_NIU_XGE_STATION_ADDR_1_LO,
	NETXEN_NIU_XGE_STATUS,
	NETXEN_NIU_XGE_MAX_FRAME_SIZE,
	NETXEN_NIU_XGE_PAUSE_FRAME_VALUE,
	NETXEN_NIU_XGE_TX_BYTE_CNT,
	NETXEN_NIU_XGE_TX_FRAME_CNT,
	NETXEN_NIU_XGE_RX_BYTE_CNT,
	NETXEN_NIU_XGE_RX_FRAME_CNT,
	NETXEN_NIU_XGE_AGGR_ERROR_CNT,
	NETXEN_NIU_XGE_MULTICAST_FRAME_CNT,
	NETXEN_NIU_XGE_UNICAST_FRAME_CNT,
	NETXEN_NIU_XGE_CRC_ERROR_CNT,
	NETXEN_NIU_XGE_OVERSIZE_FRAME_ERR,
	NETXEN_NIU_XGE_UNDERSIZE_FRAME_ERR,
	NETXEN_NIU_XGE_LOCAL_ERROR_CNT,
	NETXEN_NIU_XGE_REMOTE_ERROR_CNT,
	NETXEN_NIU_XGE_CONTROL_CHAR_CNT,
	NETXEN_NIU_XGE_PAUSE_FRAME_CNT,
	-1,
	}
	}
	};

	static void
	netxen_nic_get_regs(struct net_device dev, struct ethtool_regs regs, void *p)
	{
	struct netxen_port *port = netdev_priv(dev);
	struct netxen_adapter *adapter = port->adapter;
	__u32 mode, *regs_buff = p;
	void __iomem *addr;
	int i, window;

	memset(p, 0, NETXEN_NIC_REGS_LEN);
	regs->version = (1 << 24) \| (adapter->ahw.revision_id << 16) \|
	(port->pdev)->device;
	/* which mode */
	NETXEN_NIC_LOCKED_READ_REG(NETXEN_NIU_MODE, &regs_buff[0]);
	mode = regs_buff[0];

	/* Common registers to all the modes */
	NETXEN_NIC_LOCKED_READ_REG(NETXEN_NIU_STRAP_VALUE_SAVE_HIGHER,
	&regs_buff[2]);
	/* GB/XGB Mode */
	mode = (mode / 2) - 1;
	window = 0;
	if (mode <= 1) {
	for (i = 3; niu_registers[mode].reg[i - 3] != -1; i++) {
	/* GB: port specific registers */
	if (mode == 0 && i >= 19)
	window = port->portnum * NETXEN_NIC_PORT_WINDOW;

	NETXEN_NIC_LOCKED_READ_REG(niu_registers[mode].
	reg[i - 3] + window,
	&regs_buff[i]);
	}

	}
	}

	static u32 netxen_nic_test_link(struct net_device *dev)
	{
	struct netxen_port *port = netdev_priv(dev);
	struct netxen_adapter *adapter = port->adapter;
	__u32 status;
	int val;

	/* read which mode */
	if (adapter->ahw.board_type == NETXEN_NIC_GBE) {
	if (adapter->phy_read
	&& adapter->phy_read(adapter, port->portnum,
	NETXEN_NIU_GB_MII_MGMT_ADDR_PHY_STATUS,
	&status) != 0)
	return -EIO;
	else {
	val = netxen_get_phy_link(status);
	return !val;
	}
	} else if (adapter->ahw.board_type == NETXEN_NIC_XGBE) {
	val = readl(NETXEN_CRB_NORMALIZE(adapter, CRB_XG_STATE));
	return (val == XG_LINK_UP) ? 0 : 1;
	}
	return -EIO;
	}

	static int
	netxen_nic_get_eeprom(struct net_device dev, struct ethtool_eeprom eeprom,
	u8 * bytes)
	{
	struct netxen_port *port = netdev_priv(dev);
	struct netxen_adapter *adapter = port->adapter;
	int offset;
	int ret;

	if (eeprom->len == 0)
	return -EINVAL;

	eeprom->magic = (port->pdev)->vendor \| ((port->pdev)->device << 16);
	offset = eeprom->offset;

	ret = netxen_rom_fast_read_words(adapter, offset, bytes,
	eeprom->len);
	if (ret < 0)
	return ret;

	return 0;
	}

	static int
	netxen_nic_set_eeprom(struct net_device dev, struct ethtool_eeprom eeprom,
	u8 * bytes)
	{
	struct netxen_port *port = netdev_priv(dev);
	struct netxen_adapter *adapter = port->adapter;
	int offset = eeprom->offset;
	static int flash_start;
	static int ready_to_flash;
	int ret;

	if (flash_start == 0) {
	netxen_halt_pegs(adapter);
	ret = netxen_flash_unlock(adapter);
	if (ret < 0) {
	printk(KERN_ERR "%s: Flash unlock failed.\n",
	netxen_nic_driver_name);
	return ret;
	}
	printk(KERN_INFO "%s: flash unlocked. \n",
	netxen_nic_driver_name);
	last_schedule_time = jiffies;
	ret = netxen_flash_erase_secondary(adapter);
	if (ret != FLASH_SUCCESS) {
	printk(KERN_ERR "%s: Flash erase failed.\n",
	netxen_nic_driver_name);
	return ret;
	}
	printk(KERN_INFO "%s: secondary flash erased successfully.\n",
	netxen_nic_driver_name);
	flash_start = 1;
	return 0;
	}

	if (offset == BOOTLD_START) {
	ret = netxen_flash_erase_primary(adapter);
	if (ret != FLASH_SUCCESS) {
	printk(KERN_ERR "%s: Flash erase failed.\n",
	netxen_nic_driver_name);
	return ret;
	}

	ret = netxen_rom_se(adapter, USER_START);
	if (ret != FLASH_SUCCESS)
	return ret;
	ret = netxen_rom_se(adapter, FIXED_START);
	if (ret != FLASH_SUCCESS)
	return ret;

	printk(KERN_INFO "%s: primary flash erased successfully\n",
	netxen_nic_driver_name);

	ret = netxen_backup_crbinit(adapter);
	if (ret != FLASH_SUCCESS) {
	printk(KERN_ERR "%s: CRBinit backup failed.\n",
	netxen_nic_driver_name);
	return ret;
	}
	printk(KERN_INFO "%s: CRBinit backup done.\n",
	netxen_nic_driver_name);
	ready_to_flash = 1;
	}

	if (!ready_to_flash) {
	printk(KERN_ERR "%s: Invalid write sequence, returning...\n",
	netxen_nic_driver_name);
	return -EINVAL;
	}

	return netxen_rom_fast_write_words(adapter, offset, bytes, eeprom->len);
	}

	static void
	netxen_nic_get_ringparam(struct net_device dev, struct ethtool_ringparam ring)
	{
	struct netxen_port *port = netdev_priv(dev);
	struct netxen_adapter *adapter = port->adapter;
	int i;

	ring->rx_pending = 0;
	ring->rx_jumbo_pending = 0;
	for (i = 0; i < MAX_RCV_CTX; ++i) {
	ring->rx_pending += adapter->recv_ctx[i].
	rcv_desc[RCV_DESC_NORMAL_CTXID].rcv_pending;
	ring->rx_jumbo_pending += adapter->recv_ctx[i].
	rcv_desc[RCV_DESC_JUMBO_CTXID].rcv_pending;
	}

	ring->rx_max_pending = adapter->max_rx_desc_count;
	ring->tx_max_pending = adapter->max_tx_desc_count;
	ring->rx_jumbo_max_pending = adapter->max_jumbo_rx_desc_count;
	ring->rx_mini_max_pending = 0;
	ring->rx_mini_pending = 0;
	ring->rx_jumbo_pending = 0;
	}

	static void
	netxen_nic_get_pauseparam(struct net_device *dev,
	struct ethtool_pauseparam *pause)
	{
	struct netxen_port *port = netdev_priv(dev);
	struct netxen_adapter *adapter = port->adapter;
	__u32 val;

	if (adapter->ahw.board_type == NETXEN_NIC_GBE) {
	/* get flow control settings */
	netxen_nic_read_w0(adapter,
	NETXEN_NIU_GB_MAC_CONFIG_0(port->portnum),
	&val);
	pause->rx_pause = netxen_gb_get_rx_flowctl(val);
	pause->tx_pause = netxen_gb_get_tx_flowctl(val);
	/* get autoneg settings */
	pause->autoneg = port->link_autoneg;
	}
	}

	static int
	netxen_nic_set_pauseparam(struct net_device *dev,
	struct ethtool_pauseparam *pause)
	{
	struct netxen_port *port = netdev_priv(dev);
	struct netxen_adapter *adapter = port->adapter;
	__u32 val;
	unsigned int autoneg;

	/* read mode */
	if (adapter->ahw.board_type == NETXEN_NIC_GBE) {
	/* set flow control */
	netxen_nic_read_w0(adapter,
	NETXEN_NIU_GB_MAC_CONFIG_0(port->portnum),
	(u32 *) & val);
	if (pause->tx_pause)
	netxen_gb_tx_flowctl(val);
	else
	netxen_gb_unset_tx_flowctl(val);
	if (pause->rx_pause)
	netxen_gb_rx_flowctl(val);
	else
	netxen_gb_unset_rx_flowctl(val);

	netxen_nic_write_w0(adapter,
	NETXEN_NIU_GB_MAC_CONFIG_0(port->portnum),
	*&val);
	/* set autoneg */
	autoneg = pause->autoneg;
	if (adapter->phy_write
	&& adapter->phy_write(adapter, port->portnum,
	NETXEN_NIU_GB_MII_MGMT_ADDR_AUTONEG,
	autoneg) != 0)
	return -EIO;
	else {
	port->link_autoneg = pause->autoneg;
	return 0;
	}
	} else
	return -EOPNOTSUPP;
	}

	static int netxen_nic_reg_test(struct net_device *dev)
	{
	struct netxen_adapter *adapter = netdev_priv(dev);
	u32 data_read, data_written;

	netxen_nic_read_w0(adapter, NETXEN_PCIX_PH_REG(0), &data_read);
	if ((data_read & 0xffff) != PHAN_VENDOR_ID)
	return 1;

	data_written = (u32)0xa5a5a5a5;

	netxen_nic_reg_write(adapter, CRB_SCRATCHPAD_TEST, data_written);
	data_read = readl(NETXEN_CRB_NORMALIZE(adapter, CRB_SCRATCHPAD_TEST));
	if (data_written != data_read)
	return 1;

	return 0;
	}

	static int netxen_nic_diag_test_count(struct net_device *dev)
	{
	return NETXEN_NIC_TEST_LEN;
	}

	static void
	netxen_nic_diag_test(struct net_device dev, struct ethtool_test eth_test,
	u64 * data)
	{
	if (eth_test->flags == ETH_TEST_FL_OFFLINE) { /* offline tests */
	/* link test */
	if ((data[1] = (u64) netxen_nic_test_link(dev)))
	eth_test->flags \|= ETH_TEST_FL_FAILED;

	/* register tests */
	if ((data[0] = netxen_nic_reg_test(dev)))
	eth_test->flags \|= ETH_TEST_FL_FAILED;
	} else { /* online tests */
	/* register tests */
	if((data[0] = netxen_nic_reg_test(dev)))
	eth_test->flags \|= ETH_TEST_FL_FAILED;

	/* link test */
	if ((data[1] = (u64) netxen_nic_test_link(dev)))
	eth_test->flags \|= ETH_TEST_FL_FAILED;
	}
	}

	static void
	netxen_nic_get_strings(struct net_device dev, u32 stringset, u8 data)
	{
	int index;

	switch (stringset) {
	case ETH_SS_TEST:
	memcpy(data, *netxen_nic_gstrings_test,
	NETXEN_NIC_TEST_LEN * ETH_GSTRING_LEN);
	break;
	case ETH_SS_STATS:
	for (index = 0; index < NETXEN_NIC_STATS_LEN; index++) {
	memcpy(data + index * ETH_GSTRING_LEN,
	netxen_nic_gstrings_stats[index].stat_string,
	ETH_GSTRING_LEN);
	}
	break;
	}
	}

	static int netxen_nic_get_stats_count(struct net_device *dev)
	{
	return NETXEN_NIC_STATS_LEN;
	}

	static void
	netxen_nic_get_ethtool_stats(struct net_device *dev,
	struct ethtool_stats stats, u64 data)
	{
	struct netxen_port *port = netdev_priv(dev);
	int index;

	for (index = 0; index < NETXEN_NIC_STATS_LEN; index++) {
	char *p =
	(char *)port + netxen_nic_gstrings_stats[index].stat_offset;
	data[index] =
	(netxen_nic_gstrings_stats[index].sizeof_stat ==
	sizeof(u64)) ? (u64 ) p : (u32 ) p;
	}
	}

	struct ethtool_ops netxen_nic_ethtool_ops = {
	.get_settings = netxen_nic_get_settings,
	.set_settings = netxen_nic_set_settings,
	.get_drvinfo = netxen_nic_get_drvinfo,
	.get_regs_len = netxen_nic_get_regs_len,
	.get_regs = netxen_nic_get_regs,
	.get_link = ethtool_op_get_link,
	.get_eeprom_len = netxen_nic_get_eeprom_len,
	.get_eeprom = netxen_nic_get_eeprom,
	.set_eeprom = netxen_nic_set_eeprom,
	.get_ringparam = netxen_nic_get_ringparam,
	.get_pauseparam = netxen_nic_get_pauseparam,
	.set_pauseparam = netxen_nic_set_pauseparam,
	.get_tx_csum = ethtool_op_get_tx_csum,
	.set_tx_csum = ethtool_op_set_tx_csum,
	.get_sg = ethtool_op_get_sg,
	.set_sg = ethtool_op_set_sg,
	.get_tso = ethtool_op_get_tso,
	.set_tso = ethtool_op_set_tso,
	.self_test_count = netxen_nic_diag_test_count,
	.self_test = netxen_nic_diag_test,
	.get_strings = netxen_nic_get_strings,
	.get_stats_count = netxen_nic_get_stats_count,
	.get_ethtool_stats = netxen_nic_get_ethtool_stats,
	.get_perm_addr = ethtool_op_get_perm_addr,
	};