e1000_ethtool.c 54.4 KB
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/*******************************************************************************

  
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  Copyright(c) 1999 - 2005 Intel Corporation. All rights reserved.
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  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:
  Linux NICS <linux.nics@intel.com>
  Intel Corporation, 5200 N.E. Elam Young Parkway, Hillsboro, OR 97124-6497

*******************************************************************************/

/* ethtool support for e1000 */

#include "e1000.h"

#include <asm/uaccess.h>

extern char e1000_driver_name[];
extern char e1000_driver_version[];

extern int e1000_up(struct e1000_adapter *adapter);
extern void e1000_down(struct e1000_adapter *adapter);
extern void e1000_reset(struct e1000_adapter *adapter);
extern int e1000_set_spd_dplx(struct e1000_adapter *adapter, uint16_t spddplx);
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extern int e1000_setup_all_rx_resources(struct e1000_adapter *adapter);
extern int e1000_setup_all_tx_resources(struct e1000_adapter *adapter);
extern void e1000_free_all_rx_resources(struct e1000_adapter *adapter);
extern void e1000_free_all_tx_resources(struct e1000_adapter *adapter);
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extern void e1000_update_stats(struct e1000_adapter *adapter);

struct e1000_stats {
	char stat_string[ETH_GSTRING_LEN];
	int sizeof_stat;
	int stat_offset;
};

#define E1000_STAT(m) sizeof(((struct e1000_adapter *)0)->m), \
		      offsetof(struct e1000_adapter, m)
static const struct e1000_stats e1000_gstrings_stats[] = {
	{ "rx_packets", E1000_STAT(net_stats.rx_packets) },
	{ "tx_packets", E1000_STAT(net_stats.tx_packets) },
	{ "rx_bytes", E1000_STAT(net_stats.rx_bytes) },
	{ "tx_bytes", E1000_STAT(net_stats.tx_bytes) },
	{ "rx_errors", E1000_STAT(net_stats.rx_errors) },
	{ "tx_errors", E1000_STAT(net_stats.tx_errors) },
	{ "tx_dropped", E1000_STAT(net_stats.tx_dropped) },
	{ "multicast", E1000_STAT(net_stats.multicast) },
	{ "collisions", E1000_STAT(net_stats.collisions) },
	{ "rx_length_errors", E1000_STAT(net_stats.rx_length_errors) },
	{ "rx_over_errors", E1000_STAT(net_stats.rx_over_errors) },
	{ "rx_crc_errors", E1000_STAT(net_stats.rx_crc_errors) },
	{ "rx_frame_errors", E1000_STAT(net_stats.rx_frame_errors) },
	{ "rx_fifo_errors", E1000_STAT(net_stats.rx_fifo_errors) },
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	{ "rx_no_buffer_count", E1000_STAT(stats.rnbc) },
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	{ "rx_missed_errors", E1000_STAT(net_stats.rx_missed_errors) },
	{ "tx_aborted_errors", E1000_STAT(net_stats.tx_aborted_errors) },
	{ "tx_carrier_errors", E1000_STAT(net_stats.tx_carrier_errors) },
	{ "tx_fifo_errors", E1000_STAT(net_stats.tx_fifo_errors) },
	{ "tx_heartbeat_errors", E1000_STAT(net_stats.tx_heartbeat_errors) },
	{ "tx_window_errors", E1000_STAT(net_stats.tx_window_errors) },
	{ "tx_abort_late_coll", E1000_STAT(stats.latecol) },
	{ "tx_deferred_ok", E1000_STAT(stats.dc) },
	{ "tx_single_coll_ok", E1000_STAT(stats.scc) },
	{ "tx_multi_coll_ok", E1000_STAT(stats.mcc) },
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	{ "tx_timeout_count", E1000_STAT(tx_timeout_count) },
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	{ "rx_long_length_errors", E1000_STAT(stats.roc) },
	{ "rx_short_length_errors", E1000_STAT(stats.ruc) },
	{ "rx_align_errors", E1000_STAT(stats.algnerrc) },
	{ "tx_tcp_seg_good", E1000_STAT(stats.tsctc) },
	{ "tx_tcp_seg_failed", E1000_STAT(stats.tsctfc) },
	{ "rx_flow_control_xon", E1000_STAT(stats.xonrxc) },
	{ "rx_flow_control_xoff", E1000_STAT(stats.xoffrxc) },
	{ "tx_flow_control_xon", E1000_STAT(stats.xontxc) },
	{ "tx_flow_control_xoff", E1000_STAT(stats.xofftxc) },
	{ "rx_long_byte_count", E1000_STAT(stats.gorcl) },
	{ "rx_csum_offload_good", E1000_STAT(hw_csum_good) },
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	{ "rx_csum_offload_errors", E1000_STAT(hw_csum_err) },
	{ "rx_header_split", E1000_STAT(rx_hdr_split) },
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	{ "alloc_rx_buff_failed", E1000_STAT(alloc_rx_buff_failed) },
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};
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#define E1000_QUEUE_STATS_LEN 0
#define E1000_GLOBAL_STATS_LEN	\
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	sizeof(e1000_gstrings_stats) / sizeof(struct e1000_stats)
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#define E1000_STATS_LEN (E1000_GLOBAL_STATS_LEN + E1000_QUEUE_STATS_LEN)
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static const char e1000_gstrings_test[][ETH_GSTRING_LEN] = {
	"Register test  (offline)", "Eeprom test    (offline)",
	"Interrupt test (offline)", "Loopback test  (offline)",
	"Link test   (on/offline)"
};
#define E1000_TEST_LEN sizeof(e1000_gstrings_test) / ETH_GSTRING_LEN

static int
e1000_get_settings(struct net_device *netdev, struct ethtool_cmd *ecmd)
{
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	struct e1000_adapter *adapter = netdev_priv(netdev);
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	struct e1000_hw *hw = &adapter->hw;

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	if (hw->media_type == e1000_media_type_copper) {
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		ecmd->supported = (SUPPORTED_10baseT_Half |
		                   SUPPORTED_10baseT_Full |
		                   SUPPORTED_100baseT_Half |
		                   SUPPORTED_100baseT_Full |
		                   SUPPORTED_1000baseT_Full|
		                   SUPPORTED_Autoneg |
		                   SUPPORTED_TP);

		ecmd->advertising = ADVERTISED_TP;

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		if (hw->autoneg == 1) {
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			ecmd->advertising |= ADVERTISED_Autoneg;

			/* the e1000 autoneg seems to match ethtool nicely */

			ecmd->advertising |= hw->autoneg_advertised;
		}

		ecmd->port = PORT_TP;
		ecmd->phy_address = hw->phy_addr;

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		if (hw->mac_type == e1000_82543)
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			ecmd->transceiver = XCVR_EXTERNAL;
		else
			ecmd->transceiver = XCVR_INTERNAL;

	} else {
		ecmd->supported   = (SUPPORTED_1000baseT_Full |
				     SUPPORTED_FIBRE |
				     SUPPORTED_Autoneg);

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		ecmd->advertising = (ADVERTISED_1000baseT_Full |
				     ADVERTISED_FIBRE |
				     ADVERTISED_Autoneg);
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		ecmd->port = PORT_FIBRE;

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		if (hw->mac_type >= e1000_82545)
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			ecmd->transceiver = XCVR_INTERNAL;
		else
			ecmd->transceiver = XCVR_EXTERNAL;
	}

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	if (netif_carrier_ok(adapter->netdev)) {
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		e1000_get_speed_and_duplex(hw, &adapter->link_speed,
		                                   &adapter->link_duplex);
		ecmd->speed = adapter->link_speed;

		/* unfortunatly FULL_DUPLEX != DUPLEX_FULL
		 *          and HALF_DUPLEX != DUPLEX_HALF */

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		if (adapter->link_duplex == FULL_DUPLEX)
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			ecmd->duplex = DUPLEX_FULL;
		else
			ecmd->duplex = DUPLEX_HALF;
	} else {
		ecmd->speed = -1;
		ecmd->duplex = -1;
	}

	ecmd->autoneg = ((hw->media_type == e1000_media_type_fiber) ||
			 hw->autoneg) ? AUTONEG_ENABLE : AUTONEG_DISABLE;
	return 0;
}

static int
e1000_set_settings(struct net_device *netdev, struct ethtool_cmd *ecmd)
{
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	struct e1000_adapter *adapter = netdev_priv(netdev);
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	struct e1000_hw *hw = &adapter->hw;

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	/* When SoL/IDER sessions are active, autoneg/speed/duplex
	 * cannot be changed */
	if (e1000_check_phy_reset_block(hw)) {
		DPRINTK(DRV, ERR, "Cannot change link characteristics "
		        "when SoL/IDER is active.\n");
		return -EINVAL;
	}

	if (ecmd->autoneg == AUTONEG_ENABLE) {
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		hw->autoneg = 1;
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		if (hw->media_type == e1000_media_type_fiber)
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			hw->autoneg_advertised = ADVERTISED_1000baseT_Full |
				     ADVERTISED_FIBRE |
				     ADVERTISED_Autoneg;
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		else
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			hw->autoneg_advertised = ADVERTISED_10baseT_Half |
						  ADVERTISED_10baseT_Full |
						  ADVERTISED_100baseT_Half |
						  ADVERTISED_100baseT_Full |
						  ADVERTISED_1000baseT_Full|
						  ADVERTISED_Autoneg |
						  ADVERTISED_TP;
		ecmd->advertising = hw->autoneg_advertised;
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	} else
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		if (e1000_set_spd_dplx(adapter, ecmd->speed + ecmd->duplex))
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			return -EINVAL;

	/* reset the link */

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	if (netif_running(adapter->netdev)) {
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		e1000_down(adapter);
		e1000_reset(adapter);
		e1000_up(adapter);
	} else
		e1000_reset(adapter);

	return 0;
}

static void
e1000_get_pauseparam(struct net_device *netdev,
                     struct ethtool_pauseparam *pause)
{
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	struct e1000_adapter *adapter = netdev_priv(netdev);
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	struct e1000_hw *hw = &adapter->hw;

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	pause->autoneg =
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		(adapter->fc_autoneg ? AUTONEG_ENABLE : AUTONEG_DISABLE);
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	if (hw->fc == e1000_fc_rx_pause)
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		pause->rx_pause = 1;
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	else if (hw->fc == e1000_fc_tx_pause)
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		pause->tx_pause = 1;
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	else if (hw->fc == e1000_fc_full) {
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		pause->rx_pause = 1;
		pause->tx_pause = 1;
	}
}

static int
e1000_set_pauseparam(struct net_device *netdev,
                     struct ethtool_pauseparam *pause)
{
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	struct e1000_adapter *adapter = netdev_priv(netdev);
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	struct e1000_hw *hw = &adapter->hw;
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	adapter->fc_autoneg = pause->autoneg;

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	if (pause->rx_pause && pause->tx_pause)
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		hw->fc = e1000_fc_full;
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	else if (pause->rx_pause && !pause->tx_pause)
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		hw->fc = e1000_fc_rx_pause;
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	else if (!pause->rx_pause && pause->tx_pause)
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		hw->fc = e1000_fc_tx_pause;
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	else if (!pause->rx_pause && !pause->tx_pause)
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		hw->fc = e1000_fc_none;

	hw->original_fc = hw->fc;

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	if (adapter->fc_autoneg == AUTONEG_ENABLE) {
		if (netif_running(adapter->netdev)) {
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			e1000_down(adapter);
			e1000_up(adapter);
		} else
			e1000_reset(adapter);
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	} else
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		return ((hw->media_type == e1000_media_type_fiber) ?
			e1000_setup_link(hw) : e1000_force_mac_fc(hw));
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	return 0;
}

static uint32_t
e1000_get_rx_csum(struct net_device *netdev)
{
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	struct e1000_adapter *adapter = netdev_priv(netdev);
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	return adapter->rx_csum;
}

static int
e1000_set_rx_csum(struct net_device *netdev, uint32_t data)
{
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	struct e1000_adapter *adapter = netdev_priv(netdev);
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	adapter->rx_csum = data;

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	if (netif_running(netdev)) {
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		e1000_down(adapter);
		e1000_up(adapter);
	} else
		e1000_reset(adapter);
	return 0;
}
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static uint32_t
e1000_get_tx_csum(struct net_device *netdev)
{
	return (netdev->features & NETIF_F_HW_CSUM) != 0;
}

static int
e1000_set_tx_csum(struct net_device *netdev, uint32_t data)
{
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	struct e1000_adapter *adapter = netdev_priv(netdev);
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	if (adapter->hw.mac_type < e1000_82543) {
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		if (!data)
			return -EINVAL;
		return 0;
	}

	if (data)
		netdev->features |= NETIF_F_HW_CSUM;
	else
		netdev->features &= ~NETIF_F_HW_CSUM;

	return 0;
}

#ifdef NETIF_F_TSO
static int
e1000_set_tso(struct net_device *netdev, uint32_t data)
{
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	struct e1000_adapter *adapter = netdev_priv(netdev);
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	if ((adapter->hw.mac_type < e1000_82544) ||
	    (adapter->hw.mac_type == e1000_82547))
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		return data ? -EINVAL : 0;

	if (data)
		netdev->features |= NETIF_F_TSO;
	else
		netdev->features &= ~NETIF_F_TSO;
	return 0;
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}
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#endif /* NETIF_F_TSO */

static uint32_t
e1000_get_msglevel(struct net_device *netdev)
{
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	struct e1000_adapter *adapter = netdev_priv(netdev);
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	return adapter->msg_enable;
}

static void
e1000_set_msglevel(struct net_device *netdev, uint32_t data)
{
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	adapter->msg_enable = data;
}

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static int
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e1000_get_regs_len(struct net_device *netdev)
{
#define E1000_REGS_LEN 32
	return E1000_REGS_LEN * sizeof(uint32_t);
}

static void
e1000_get_regs(struct net_device *netdev,
	       struct ethtool_regs *regs, void *p)
{
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	struct e1000_adapter *adapter = netdev_priv(netdev);
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	struct e1000_hw *hw = &adapter->hw;
	uint32_t *regs_buff = p;
	uint16_t phy_data;

	memset(p, 0, E1000_REGS_LEN * sizeof(uint32_t));

	regs->version = (1 << 24) | (hw->revision_id << 16) | hw->device_id;

	regs_buff[0]  = E1000_READ_REG(hw, CTRL);
	regs_buff[1]  = E1000_READ_REG(hw, STATUS);

	regs_buff[2]  = E1000_READ_REG(hw, RCTL);
	regs_buff[3]  = E1000_READ_REG(hw, RDLEN);
	regs_buff[4]  = E1000_READ_REG(hw, RDH);
	regs_buff[5]  = E1000_READ_REG(hw, RDT);
	regs_buff[6]  = E1000_READ_REG(hw, RDTR);

	regs_buff[7]  = E1000_READ_REG(hw, TCTL);
	regs_buff[8]  = E1000_READ_REG(hw, TDLEN);
	regs_buff[9]  = E1000_READ_REG(hw, TDH);
	regs_buff[10] = E1000_READ_REG(hw, TDT);
	regs_buff[11] = E1000_READ_REG(hw, TIDV);

	regs_buff[12] = adapter->hw.phy_type;  /* PHY type (IGP=1, M88=0) */
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	if (hw->phy_type == e1000_phy_igp) {
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		e1000_write_phy_reg(hw, IGP01E1000_PHY_PAGE_SELECT,
				    IGP01E1000_PHY_AGC_A);
		e1000_read_phy_reg(hw, IGP01E1000_PHY_AGC_A &
				   IGP01E1000_PHY_PAGE_SELECT, &phy_data);
		regs_buff[13] = (uint32_t)phy_data; /* cable length */
		e1000_write_phy_reg(hw, IGP01E1000_PHY_PAGE_SELECT,
				    IGP01E1000_PHY_AGC_B);
		e1000_read_phy_reg(hw, IGP01E1000_PHY_AGC_B &
				   IGP01E1000_PHY_PAGE_SELECT, &phy_data);
		regs_buff[14] = (uint32_t)phy_data; /* cable length */
		e1000_write_phy_reg(hw, IGP01E1000_PHY_PAGE_SELECT,
				    IGP01E1000_PHY_AGC_C);
		e1000_read_phy_reg(hw, IGP01E1000_PHY_AGC_C &
				   IGP01E1000_PHY_PAGE_SELECT, &phy_data);
		regs_buff[15] = (uint32_t)phy_data; /* cable length */
		e1000_write_phy_reg(hw, IGP01E1000_PHY_PAGE_SELECT,
				    IGP01E1000_PHY_AGC_D);
		e1000_read_phy_reg(hw, IGP01E1000_PHY_AGC_D &
				   IGP01E1000_PHY_PAGE_SELECT, &phy_data);
		regs_buff[16] = (uint32_t)phy_data; /* cable length */
		regs_buff[17] = 0; /* extended 10bt distance (not needed) */
		e1000_write_phy_reg(hw, IGP01E1000_PHY_PAGE_SELECT, 0x0);
		e1000_read_phy_reg(hw, IGP01E1000_PHY_PORT_STATUS &
				   IGP01E1000_PHY_PAGE_SELECT, &phy_data);
		regs_buff[18] = (uint32_t)phy_data; /* cable polarity */
		e1000_write_phy_reg(hw, IGP01E1000_PHY_PAGE_SELECT,
				    IGP01E1000_PHY_PCS_INIT_REG);
		e1000_read_phy_reg(hw, IGP01E1000_PHY_PCS_INIT_REG &
				   IGP01E1000_PHY_PAGE_SELECT, &phy_data);
		regs_buff[19] = (uint32_t)phy_data; /* cable polarity */
		regs_buff[20] = 0; /* polarity correction enabled (always) */
		regs_buff[22] = 0; /* phy receive errors (unavailable) */
		regs_buff[23] = regs_buff[18]; /* mdix mode */
		e1000_write_phy_reg(hw, IGP01E1000_PHY_PAGE_SELECT, 0x0);
	} else {
        	e1000_read_phy_reg(hw, M88E1000_PHY_SPEC_STATUS, &phy_data);
		regs_buff[13] = (uint32_t)phy_data; /* cable length */
		regs_buff[14] = 0;  /* Dummy (to align w/ IGP phy reg dump) */
		regs_buff[15] = 0;  /* Dummy (to align w/ IGP phy reg dump) */
		regs_buff[16] = 0;  /* Dummy (to align w/ IGP phy reg dump) */
        	e1000_read_phy_reg(hw, M88E1000_PHY_SPEC_CTRL, &phy_data);
		regs_buff[17] = (uint32_t)phy_data; /* extended 10bt distance */
		regs_buff[18] = regs_buff[13]; /* cable polarity */
		regs_buff[19] = 0;  /* Dummy (to align w/ IGP phy reg dump) */
		regs_buff[20] = regs_buff[17]; /* polarity correction */
		/* phy receive errors */
		regs_buff[22] = adapter->phy_stats.receive_errors;
		regs_buff[23] = regs_buff[13]; /* mdix mode */
	}
	regs_buff[21] = adapter->phy_stats.idle_errors;  /* phy idle errors */
	e1000_read_phy_reg(hw, PHY_1000T_STATUS, &phy_data);
	regs_buff[24] = (uint32_t)phy_data;  /* phy local receiver status */
	regs_buff[25] = regs_buff[24];  /* phy remote receiver status */
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	if (hw->mac_type >= e1000_82540 &&
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	   hw->media_type == e1000_media_type_copper) {
		regs_buff[26] = E1000_READ_REG(hw, MANC);
	}
}

static int
e1000_get_eeprom_len(struct net_device *netdev)
{
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	struct e1000_adapter *adapter = netdev_priv(netdev);
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	return adapter->hw.eeprom.word_size * 2;
}

static int
e1000_get_eeprom(struct net_device *netdev,
                      struct ethtool_eeprom *eeprom, uint8_t *bytes)
{
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	struct e1000_adapter *adapter = netdev_priv(netdev);
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	struct e1000_hw *hw = &adapter->hw;
	uint16_t *eeprom_buff;
	int first_word, last_word;
	int ret_val = 0;
	uint16_t i;

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

	eeprom->magic = hw->vendor_id | (hw->device_id << 16);

	first_word = eeprom->offset >> 1;
	last_word = (eeprom->offset + eeprom->len - 1) >> 1;

	eeprom_buff = kmalloc(sizeof(uint16_t) *
			(last_word - first_word + 1), GFP_KERNEL);
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	if (!eeprom_buff)
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		return -ENOMEM;

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	if (hw->eeprom.type == e1000_eeprom_spi)
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		ret_val = e1000_read_eeprom(hw, first_word,
					    last_word - first_word + 1,
					    eeprom_buff);
	else {
		for (i = 0; i < last_word - first_word + 1; i++)
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			if ((ret_val = e1000_read_eeprom(hw, first_word + i, 1,
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							&eeprom_buff[i])))
				break;
	}

	/* Device's eeprom is always little-endian, word addressable */
	for (i = 0; i < last_word - first_word + 1; i++)
		le16_to_cpus(&eeprom_buff[i]);

	memcpy(bytes, (uint8_t *)eeprom_buff + (eeprom->offset & 1),
			eeprom->len);
	kfree(eeprom_buff);

	return ret_val;
}

static int
e1000_set_eeprom(struct net_device *netdev,
                      struct ethtool_eeprom *eeprom, uint8_t *bytes)
{
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	struct e1000_adapter *adapter = netdev_priv(netdev);
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	struct e1000_hw *hw = &adapter->hw;
	uint16_t *eeprom_buff;
	void *ptr;
	int max_len, first_word, last_word, ret_val = 0;
	uint16_t i;

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

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	if (eeprom->magic != (hw->vendor_id | (hw->device_id << 16)))
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		return -EFAULT;

	max_len = hw->eeprom.word_size * 2;

	first_word = eeprom->offset >> 1;
	last_word = (eeprom->offset + eeprom->len - 1) >> 1;
	eeprom_buff = kmalloc(max_len, GFP_KERNEL);
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	if (!eeprom_buff)
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		return -ENOMEM;

	ptr = (void *)eeprom_buff;

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	if (eeprom->offset & 1) {
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		/* need read/modify/write of first changed EEPROM word */
		/* only the second byte of the word is being modified */
		ret_val = e1000_read_eeprom(hw, first_word, 1,
					    &eeprom_buff[0]);
		ptr++;
	}
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	if (((eeprom->offset + eeprom->len) & 1) && (ret_val == 0)) {
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		/* need read/modify/write of last changed EEPROM word */
		/* only the first byte of the word is being modified */
		ret_val = e1000_read_eeprom(hw, last_word, 1,
		                  &eeprom_buff[last_word - first_word]);
	}

	/* Device's eeprom is always little-endian, word addressable */
	for (i = 0; i < last_word - first_word + 1; i++)
		le16_to_cpus(&eeprom_buff[i]);

	memcpy(ptr, bytes, eeprom->len);

	for (i = 0; i < last_word - first_word + 1; i++)
		eeprom_buff[i] = cpu_to_le16(eeprom_buff[i]);

	ret_val = e1000_write_eeprom(hw, first_word,
				     last_word - first_word + 1, eeprom_buff);

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	/* Update the checksum over the first part of the EEPROM if needed
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	 * and flush shadow RAM for 82573 conrollers */
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	if ((ret_val == 0) && ((first_word <= EEPROM_CHECKSUM_REG) ||
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				(hw->mac_type == e1000_82573)))
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		e1000_update_eeprom_checksum(hw);

	kfree(eeprom_buff);
	return ret_val;
}

static void
e1000_get_drvinfo(struct net_device *netdev,
                       struct ethtool_drvinfo *drvinfo)
{
575
	struct e1000_adapter *adapter = netdev_priv(netdev);
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	char firmware_version[32];
	uint16_t eeprom_data;
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	strncpy(drvinfo->driver,  e1000_driver_name, 32);
	strncpy(drvinfo->version, e1000_driver_version, 32);
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	/* EEPROM image version # is reported as firmware version # for
	 * 8257{1|2|3} controllers */
	e1000_read_eeprom(&adapter->hw, 5, 1, &eeprom_data);
	switch (adapter->hw.mac_type) {
	case e1000_82571:
	case e1000_82572:
	case e1000_82573:
		sprintf(firmware_version, "%d.%d-%d",
			(eeprom_data & 0xF000) >> 12,
			(eeprom_data & 0x0FF0) >> 4,
			eeprom_data & 0x000F);
		break;
	default:
		sprintf(firmware_version, "N/A");
	}

	strncpy(drvinfo->fw_version, firmware_version, 32);
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	strncpy(drvinfo->bus_info, pci_name(adapter->pdev), 32);
	drvinfo->n_stats = E1000_STATS_LEN;
	drvinfo->testinfo_len = E1000_TEST_LEN;
	drvinfo->regdump_len = e1000_get_regs_len(netdev);
	drvinfo->eedump_len = e1000_get_eeprom_len(netdev);
}

static void
e1000_get_ringparam(struct net_device *netdev,
                    struct ethtool_ringparam *ring)
{
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	struct e1000_adapter *adapter = netdev_priv(netdev);
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	e1000_mac_type mac_type = adapter->hw.mac_type;
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	struct e1000_tx_ring *txdr = adapter->tx_ring;
	struct e1000_rx_ring *rxdr = adapter->rx_ring;
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	ring->rx_max_pending = (mac_type < e1000_82544) ? E1000_MAX_RXD :
		E1000_MAX_82544_RXD;
	ring->tx_max_pending = (mac_type < e1000_82544) ? E1000_MAX_TXD :
		E1000_MAX_82544_TXD;
	ring->rx_mini_max_pending = 0;
	ring->rx_jumbo_max_pending = 0;
	ring->rx_pending = rxdr->count;
	ring->tx_pending = txdr->count;
	ring->rx_mini_pending = 0;
	ring->rx_jumbo_pending = 0;
}

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static int
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e1000_set_ringparam(struct net_device *netdev,
                    struct ethtool_ringparam *ring)
{
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	struct e1000_adapter *adapter = netdev_priv(netdev);
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	e1000_mac_type mac_type = adapter->hw.mac_type;
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	struct e1000_tx_ring *txdr, *tx_old, *tx_new;
	struct e1000_rx_ring *rxdr, *rx_old, *rx_new;
	int i, err, tx_ring_size, rx_ring_size;

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	if ((ring->rx_mini_pending) || (ring->rx_jumbo_pending))
		return -EINVAL;

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	tx_ring_size = sizeof(struct e1000_tx_ring) * adapter->num_tx_queues;
	rx_ring_size = sizeof(struct e1000_rx_ring) * adapter->num_rx_queues;
642 643 644

	if (netif_running(adapter->netdev))
		e1000_down(adapter);
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	tx_old = adapter->tx_ring;
	rx_old = adapter->rx_ring;

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	adapter->tx_ring = kmalloc(tx_ring_size, GFP_KERNEL);
	if (!adapter->tx_ring) {
		err = -ENOMEM;
		goto err_setup_rx;
	}
	memset(adapter->tx_ring, 0, tx_ring_size);

	adapter->rx_ring = kmalloc(rx_ring_size, GFP_KERNEL);
	if (!adapter->rx_ring) {
		kfree(adapter->tx_ring);
		err = -ENOMEM;
		goto err_setup_rx;
	}
	memset(adapter->rx_ring, 0, rx_ring_size);

	txdr = adapter->tx_ring;
	rxdr = adapter->rx_ring;

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	rxdr->count = max(ring->rx_pending,(uint32_t)E1000_MIN_RXD);
	rxdr->count = min(rxdr->count,(uint32_t)(mac_type < e1000_82544 ?
		E1000_MAX_RXD : E1000_MAX_82544_RXD));
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	E1000_ROUNDUP(rxdr->count, REQ_RX_DESCRIPTOR_MULTIPLE);
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	txdr->count = max(ring->tx_pending,(uint32_t)E1000_MIN_TXD);
	txdr->count = min(txdr->count,(uint32_t)(mac_type < e1000_82544 ?
		E1000_MAX_TXD : E1000_MAX_82544_TXD));
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	E1000_ROUNDUP(txdr->count, REQ_TX_DESCRIPTOR_MULTIPLE);
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	for (i = 0; i < adapter->num_tx_queues; i++)
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		txdr[i].count = txdr->count;
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	for (i = 0; i < adapter->num_rx_queues; i++)
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		rxdr[i].count = rxdr->count;

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	if (netif_running(adapter->netdev)) {
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		/* Try to get new resources before deleting old */
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		if ((err = e1000_setup_all_rx_resources(adapter)))
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			goto err_setup_rx;
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		if ((err = e1000_setup_all_tx_resources(adapter)))
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			goto err_setup_tx;

		/* save the new, restore the old in order to free it,
		 * then restore the new back again */

		rx_new = adapter->rx_ring;
		tx_new = adapter->tx_ring;
		adapter->rx_ring = rx_old;
		adapter->tx_ring = tx_old;
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		e1000_free_all_rx_resources(adapter);
		e1000_free_all_tx_resources(adapter);
		kfree(tx_old);
		kfree(rx_old);
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		adapter->rx_ring = rx_new;
		adapter->tx_ring = tx_new;
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		if ((err = e1000_up(adapter)))
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			return err;
	}

	return 0;
err_setup_tx:
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	e1000_free_all_rx_resources(adapter);
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err_setup_rx:
	adapter->rx_ring = rx_old;
	adapter->tx_ring = tx_old;
	e1000_up(adapter);
	return err;
}

#define REG_PATTERN_TEST(R, M, W)                                              \
{                                                                              \
	uint32_t pat, value;                                                   \
	uint32_t test[] =                                                      \
		{0x5A5A5A5A, 0xA5A5A5A5, 0x00000000, 0xFFFFFFFF};              \
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	for (pat = 0; pat < sizeof(test)/sizeof(test[0]); pat++) {              \
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		E1000_WRITE_REG(&adapter->hw, R, (test[pat] & W));             \
		value = E1000_READ_REG(&adapter->hw, R);                       \
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		if (value != (test[pat] & W & M)) {                             \
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			DPRINTK(DRV, ERR, "pattern test reg %04X failed: got " \
			        "0x%08X expected 0x%08X\n",                    \
			        E1000_##R, value, (test[pat] & W & M));        \
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			*data = (adapter->hw.mac_type < e1000_82543) ?         \
				E1000_82542_##R : E1000_##R;                   \
			return 1;                                              \
		}                                                              \
	}                                                                      \
}

#define REG_SET_AND_CHECK(R, M, W)                                             \
{                                                                              \
	uint32_t value;                                                        \
	E1000_WRITE_REG(&adapter->hw, R, W & M);                               \
	value = E1000_READ_REG(&adapter->hw, R);                               \
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	if ((W & M) != (value & M)) {                                          \
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		DPRINTK(DRV, ERR, "set/check reg %04X test failed: got 0x%08X "\
		        "expected 0x%08X\n", E1000_##R, (value & M), (W & M)); \
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		*data = (adapter->hw.mac_type < e1000_82543) ?                 \
			E1000_82542_##R : E1000_##R;                           \
		return 1;                                                      \
	}                                                                      \
}

static int
e1000_reg_test(struct e1000_adapter *adapter, uint64_t *data)
{
752 753
	uint32_t value, before, after;
	uint32_t i, toggle;
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	/* The status register is Read Only, so a write should fail.
	 * Some bits that get toggled are ignored.
	 */
758
        switch (adapter->hw.mac_type) {
759 760 761 762 763
	/* there are several bits on newer hardware that are r/w */
	case e1000_82571:
	case e1000_82572:
		toggle = 0x7FFFF3FF;
		break;
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	case e1000_82573:
		toggle = 0x7FFFF033;
		break;
	default:
		toggle = 0xFFFFF833;
		break;
	}

	before = E1000_READ_REG(&adapter->hw, STATUS);
	value = (E1000_READ_REG(&adapter->hw, STATUS) & toggle);
	E1000_WRITE_REG(&adapter->hw, STATUS, toggle);
	after = E1000_READ_REG(&adapter->hw, STATUS) & toggle;
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	if (value != after) {
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		DPRINTK(DRV, ERR, "failed STATUS register test got: "
		        "0x%08X expected: 0x%08X\n", after, value);
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		*data = 1;
		return 1;
	}
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	/* restore previous status */
	E1000_WRITE_REG(&adapter->hw, STATUS, before);
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	REG_PATTERN_TEST(FCAL, 0xFFFFFFFF, 0xFFFFFFFF);
	REG_PATTERN_TEST(FCAH, 0x0000FFFF, 0xFFFFFFFF);
	REG_PATTERN_TEST(FCT, 0x0000FFFF, 0xFFFFFFFF);
	REG_PATTERN_TEST(VET, 0x0000FFFF, 0xFFFFFFFF);
	REG_PATTERN_TEST(RDTR, 0x0000FFFF, 0xFFFFFFFF);
	REG_PATTERN_TEST(RDBAH, 0xFFFFFFFF, 0xFFFFFFFF);
	REG_PATTERN_TEST(RDLEN, 0x000FFF80, 0x000FFFFF);
	REG_PATTERN_TEST(RDH, 0x0000FFFF, 0x0000FFFF);
	REG_PATTERN_TEST(RDT, 0x0000FFFF, 0x0000FFFF);
	REG_PATTERN_TEST(FCRTH, 0x0000FFF8, 0x0000FFF8);
	REG_PATTERN_TEST(FCTTV, 0x0000FFFF, 0x0000FFFF);
	REG_PATTERN_TEST(TIPG, 0x3FFFFFFF, 0x3FFFFFFF);
	REG_PATTERN_TEST(TDBAH, 0xFFFFFFFF, 0xFFFFFFFF);
	REG_PATTERN_TEST(TDLEN, 0x000FFF80, 0x000FFFFF);

	REG_SET_AND_CHECK(RCTL, 0xFFFFFFFF, 0x00000000);
	REG_SET_AND_CHECK(RCTL, 0x06DFB3FE, 0x003FFFFB);
	REG_SET_AND_CHECK(TCTL, 0xFFFFFFFF, 0x00000000);

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	if (adapter->hw.mac_type >= e1000_82543) {
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		REG_SET_AND_CHECK(RCTL, 0x06DFB3FE, 0xFFFFFFFF);
		REG_PATTERN_TEST(RDBAL, 0xFFFFFFF0, 0xFFFFFFFF);
		REG_PATTERN_TEST(TXCW, 0xC000FFFF, 0x0000FFFF);
		REG_PATTERN_TEST(TDBAL, 0xFFFFFFF0, 0xFFFFFFFF);
		REG_PATTERN_TEST(TIDV, 0x0000FFFF, 0x0000FFFF);

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		for (i = 0; i < E1000_RAR_ENTRIES; i++) {
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			REG_PATTERN_TEST(RA + ((i << 1) << 2), 0xFFFFFFFF,
					 0xFFFFFFFF);
			REG_PATTERN_TEST(RA + (((i << 1) + 1) << 2), 0x8003FFFF,
					 0xFFFFFFFF);
		}

	} else {

		REG_SET_AND_CHECK(RCTL, 0xFFFFFFFF, 0x01FFFFFF);
		REG_PATTERN_TEST(RDBAL, 0xFFFFF000, 0xFFFFFFFF);
		REG_PATTERN_TEST(TXCW, 0x0000FFFF, 0x0000FFFF);
		REG_PATTERN_TEST(TDBAL, 0xFFFFF000, 0xFFFFFFFF);

	}

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	for (i = 0; i < E1000_MC_TBL_SIZE; i++)
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		REG_PATTERN_TEST(MTA + (i << 2), 0xFFFFFFFF, 0xFFFFFFFF);

	*data = 0;
	return 0;
}

static int
e1000_eeprom_test(struct e1000_adapter *adapter, uint64_t *data)
{
	uint16_t temp;
	uint16_t checksum = 0;
	uint16_t i;

	*data = 0;
	/* Read and add up the contents of the EEPROM */
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	for (i = 0; i < (EEPROM_CHECKSUM_REG + 1); i++) {
		if ((e1000_read_eeprom(&adapter->hw, i, 1, &temp)) < 0) {
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			*data = 1;
			break;
		}
		checksum += temp;
	}

	/* If Checksum is not Correct return error else test passed */
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	if ((checksum != (uint16_t) EEPROM_SUM) && !(*data))
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		*data = 2;

	return *data;
}

static irqreturn_t
e1000_test_intr(int irq,
		void *data,
		struct pt_regs *regs)
{
	struct net_device *netdev = (struct net_device *) data;
865
	struct e1000_adapter *adapter = netdev_priv(netdev);
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	adapter->test_icr |= E1000_READ_REG(&adapter->hw, ICR);

	return IRQ_HANDLED;
}

static int
e1000_intr_test(struct e1000_adapter *adapter, uint64_t *data)
{
	struct net_device *netdev = adapter->netdev;
 	uint32_t mask, i=0, shared_int = TRUE;
 	uint32_t irq = adapter->pdev->irq;

	*data = 0;

	/* Hook up test interrupt handler just for this test */
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 	if (!request_irq(irq, &e1000_test_intr, 0, netdev->name, netdev)) {
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 		shared_int = FALSE;
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 	} else if (request_irq(irq, &e1000_test_intr, SA_SHIRQ,
885
			      netdev->name, netdev)){
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		*data = 1;
		return -1;
	}

	/* Disable all the interrupts */
	E1000_WRITE_REG(&adapter->hw, IMC, 0xFFFFFFFF);
	msec_delay(10);

	/* Test each interrupt */
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	for (; i < 10; i++) {
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		/* Interrupt to test */
		mask = 1 << i;

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 		if (!shared_int) {
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 			/* Disable the interrupt to be reported in
 			 * the cause register and then force the same
 			 * interrupt and see if one gets posted.  If
 			 * an interrupt was posted to the bus, the
 			 * test failed.
 			 */
 			adapter->test_icr = 0;
 			E1000_WRITE_REG(&adapter->hw, IMC, mask);
 			E1000_WRITE_REG(&adapter->hw, ICS, mask);
 			msec_delay(10);
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 			if (adapter->test_icr & mask) {
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 				*data = 3;
 				break;
 			}
		}

		/* Enable the interrupt to be reported in
		 * the cause register and then force the same
		 * interrupt and see if one gets posted.  If
		 * an interrupt was not posted to the bus, the
		 * test failed.
		 */
		adapter->test_icr = 0;
		E1000_WRITE_REG(&adapter->hw, IMS, mask);
		E1000_WRITE_REG(&adapter->hw, ICS, mask);
		msec_delay(10);

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		if (!(adapter->test_icr & mask)) {
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930 931 932 933
			*data = 4;
			break;
		}

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Jesse Brandeburg 已提交
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 		if (!shared_int) {
L
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935 936 937 938 939 940 941
			/* Disable the other interrupts to be reported in
			 * the cause register and then force the other
			 * interrupts and see if any get posted.  If
			 * an interrupt was posted to the bus, the
			 * test failed.
			 */
			adapter->test_icr = 0;
942 943
			E1000_WRITE_REG(&adapter->hw, IMC, ~mask & 0x00007FFF);
			E1000_WRITE_REG(&adapter->hw, ICS, ~mask & 0x00007FFF);
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			msec_delay(10);

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			if (adapter->test_icr) {
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947 948 949 950 951 952 953 954 955 956 957 958 959 960 961 962 963 964 965
				*data = 5;
				break;
			}
		}
	}

	/* Disable all the interrupts */
	E1000_WRITE_REG(&adapter->hw, IMC, 0xFFFFFFFF);
	msec_delay(10);

	/* Unhook test interrupt handler */
	free_irq(irq, netdev);

	return *data;
}

static void
e1000_free_desc_rings(struct e1000_adapter *adapter)
{
966 967
	struct e1000_tx_ring *txdr = &adapter->test_tx_ring;
	struct e1000_rx_ring *rxdr = &adapter->test_rx_ring;
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	struct pci_dev *pdev = adapter->pdev;
	int i;

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	if (txdr->desc && txdr->buffer_info) {
		for (i = 0; i < txdr->count; i++) {
			if (txdr->buffer_info[i].dma)
L
Linus Torvalds 已提交
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				pci_unmap_single(pdev, txdr->buffer_info[i].dma,
						 txdr->buffer_info[i].length,
						 PCI_DMA_TODEVICE);
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Jesse Brandeburg 已提交
977
			if (txdr->buffer_info[i].skb)
L
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978 979 980 981
				dev_kfree_skb(txdr->buffer_info[i].skb);
		}
	}

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Jesse Brandeburg 已提交
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	if (rxdr->desc && rxdr->buffer_info) {
		for (i = 0; i < rxdr->count; i++) {
			if (rxdr->buffer_info[i].dma)
L
Linus Torvalds 已提交
985 986 987
				pci_unmap_single(pdev, rxdr->buffer_info[i].dma,
						 rxdr->buffer_info[i].length,
						 PCI_DMA_FROMDEVICE);
J
Jesse Brandeburg 已提交
988
			if (rxdr->buffer_info[i].skb)
L
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989 990 991 992
				dev_kfree_skb(rxdr->buffer_info[i].skb);
		}
	}

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	if (txdr->desc) {
L
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994
		pci_free_consistent(pdev, txdr->size, txdr->desc, txdr->dma);
995 996
		txdr->desc = NULL;
	}
J
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997
	if (rxdr->desc) {
L
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998
		pci_free_consistent(pdev, rxdr->size, rxdr->desc, rxdr->dma);
999 1000
		rxdr->desc = NULL;
	}
L
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1001

1002
	kfree(txdr->buffer_info);
1003
	txdr->buffer_info = NULL;
1004
	kfree(rxdr->buffer_info);
1005
	rxdr->buffer_info = NULL;
J
Jeff Kirsher 已提交
1006

L
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1007 1008 1009 1010 1011 1012
	return;
}

static int
e1000_setup_desc_rings(struct e1000_adapter *adapter)
{
1013 1014
	struct e1000_tx_ring *txdr = &adapter->test_tx_ring;
	struct e1000_rx_ring *rxdr = &adapter->test_rx_ring;
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1015 1016 1017 1018 1019 1020
	struct pci_dev *pdev = adapter->pdev;
	uint32_t rctl;
	int size, i, ret_val;

	/* Setup Tx descriptor ring and Tx buffers */

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	if (!txdr->count)
		txdr->count = E1000_DEFAULT_TXD;
L
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1023 1024

	size = txdr->count * sizeof(struct e1000_buffer);
J
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1025
	if (!(txdr->buffer_info = kmalloc(size, GFP_KERNEL))) {
L
Linus Torvalds 已提交
1026 1027 1028 1029 1030 1031 1032
		ret_val = 1;
		goto err_nomem;
	}
	memset(txdr->buffer_info, 0, size);

	txdr->size = txdr->count * sizeof(struct e1000_tx_desc);
	E1000_ROUNDUP(txdr->size, 4096);
J
Jesse Brandeburg 已提交
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	if (!(txdr->desc = pci_alloc_consistent(pdev, txdr->size, &txdr->dma))) {
L
Linus Torvalds 已提交
1034 1035 1036 1037 1038 1039 1040 1041 1042 1043 1044 1045 1046 1047 1048 1049 1050 1051
		ret_val = 2;
		goto err_nomem;
	}
	memset(txdr->desc, 0, txdr->size);
	txdr->next_to_use = txdr->next_to_clean = 0;

	E1000_WRITE_REG(&adapter->hw, TDBAL,
			((uint64_t) txdr->dma & 0x00000000FFFFFFFF));
	E1000_WRITE_REG(&adapter->hw, TDBAH, ((uint64_t) txdr->dma >> 32));
	E1000_WRITE_REG(&adapter->hw, TDLEN,
			txdr->count * sizeof(struct e1000_tx_desc));
	E1000_WRITE_REG(&adapter->hw, TDH, 0);
	E1000_WRITE_REG(&adapter->hw, TDT, 0);
	E1000_WRITE_REG(&adapter->hw, TCTL,
			E1000_TCTL_PSP | E1000_TCTL_EN |
			E1000_COLLISION_THRESHOLD << E1000_CT_SHIFT |
			E1000_FDX_COLLISION_DISTANCE << E1000_COLD_SHIFT);

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	for (i = 0; i < txdr->count; i++) {
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1053 1054 1055 1056
		struct e1000_tx_desc *tx_desc = E1000_TX_DESC(*txdr, i);
		struct sk_buff *skb;
		unsigned int size = 1024;

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		if (!(skb = alloc_skb(size, GFP_KERNEL))) {
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1058 1059 1060 1061 1062 1063 1064 1065 1066 1067 1068 1069 1070 1071 1072 1073 1074 1075 1076
			ret_val = 3;
			goto err_nomem;
		}
		skb_put(skb, size);
		txdr->buffer_info[i].skb = skb;
		txdr->buffer_info[i].length = skb->len;
		txdr->buffer_info[i].dma =
			pci_map_single(pdev, skb->data, skb->len,
				       PCI_DMA_TODEVICE);
		tx_desc->buffer_addr = cpu_to_le64(txdr->buffer_info[i].dma);
		tx_desc->lower.data = cpu_to_le32(skb->len);
		tx_desc->lower.data |= cpu_to_le32(E1000_TXD_CMD_EOP |
						   E1000_TXD_CMD_IFCS |
						   E1000_TXD_CMD_RPS);
		tx_desc->upper.data = 0;
	}

	/* Setup Rx descriptor ring and Rx buffers */

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	if (!rxdr->count)
		rxdr->count = E1000_DEFAULT_RXD;
L
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1079 1080

	size = rxdr->count * sizeof(struct e1000_buffer);
J
Jesse Brandeburg 已提交
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	if (!(rxdr->buffer_info = kmalloc(size, GFP_KERNEL))) {
L
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1082 1083 1084 1085 1086 1087
		ret_val = 4;
		goto err_nomem;
	}
	memset(rxdr->buffer_info, 0, size);

	rxdr->size = rxdr->count * sizeof(struct e1000_rx_desc);
J
Jesse Brandeburg 已提交
1088
	if (!(rxdr->desc = pci_alloc_consistent(pdev, rxdr->size, &rxdr->dma))) {
L
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1089 1090 1091 1092 1093 1094 1095 1096 1097 1098 1099 1100 1101 1102 1103 1104 1105 1106 1107
		ret_val = 5;
		goto err_nomem;
	}
	memset(rxdr->desc, 0, rxdr->size);
	rxdr->next_to_use = rxdr->next_to_clean = 0;

	rctl = E1000_READ_REG(&adapter->hw, RCTL);
	E1000_WRITE_REG(&adapter->hw, RCTL, rctl & ~E1000_RCTL_EN);
	E1000_WRITE_REG(&adapter->hw, RDBAL,
			((uint64_t) rxdr->dma & 0xFFFFFFFF));
	E1000_WRITE_REG(&adapter->hw, RDBAH, ((uint64_t) rxdr->dma >> 32));
	E1000_WRITE_REG(&adapter->hw, RDLEN, rxdr->size);
	E1000_WRITE_REG(&adapter->hw, RDH, 0);
	E1000_WRITE_REG(&adapter->hw, RDT, 0);
	rctl = E1000_RCTL_EN | E1000_RCTL_BAM | E1000_RCTL_SZ_2048 |
		E1000_RCTL_LBM_NO | E1000_RCTL_RDMTS_HALF |
		(adapter->hw.mc_filter_type << E1000_RCTL_MO_SHIFT);
	E1000_WRITE_REG(&adapter->hw, RCTL, rctl);

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Jesse Brandeburg 已提交
1108
	for (i = 0; i < rxdr->count; i++) {
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		struct e1000_rx_desc *rx_desc = E1000_RX_DESC(*rxdr, i);
		struct sk_buff *skb;

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Jesse Brandeburg 已提交
1112
		if (!(skb = alloc_skb(E1000_RXBUFFER_2048 + NET_IP_ALIGN,
L
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1113 1114 1115 1116 1117 1118 1119 1120 1121 1122 1123 1124 1125 1126 1127 1128 1129 1130 1131 1132 1133 1134 1135 1136 1137 1138 1139 1140 1141 1142 1143 1144 1145 1146 1147 1148 1149 1150 1151 1152 1153 1154 1155 1156 1157 1158 1159 1160 1161 1162 1163 1164 1165 1166 1167 1168 1169 1170 1171 1172 1173 1174 1175 1176 1177 1178 1179 1180 1181 1182 1183 1184 1185 1186 1187 1188 1189 1190 1191 1192 1193 1194 1195 1196 1197 1198 1199 1200 1201 1202 1203 1204 1205 1206 1207 1208 1209 1210 1211 1212 1213 1214 1215 1216 1217 1218 1219 1220
				GFP_KERNEL))) {
			ret_val = 6;
			goto err_nomem;
		}
		skb_reserve(skb, NET_IP_ALIGN);
		rxdr->buffer_info[i].skb = skb;
		rxdr->buffer_info[i].length = E1000_RXBUFFER_2048;
		rxdr->buffer_info[i].dma =
			pci_map_single(pdev, skb->data, E1000_RXBUFFER_2048,
				       PCI_DMA_FROMDEVICE);
		rx_desc->buffer_addr = cpu_to_le64(rxdr->buffer_info[i].dma);
		memset(skb->data, 0x00, skb->len);
	}

	return 0;

err_nomem:
	e1000_free_desc_rings(adapter);
	return ret_val;
}

static void
e1000_phy_disable_receiver(struct e1000_adapter *adapter)
{
	/* Write out to PHY registers 29 and 30 to disable the Receiver. */
	e1000_write_phy_reg(&adapter->hw, 29, 0x001F);
	e1000_write_phy_reg(&adapter->hw, 30, 0x8FFC);
	e1000_write_phy_reg(&adapter->hw, 29, 0x001A);
	e1000_write_phy_reg(&adapter->hw, 30, 0x8FF0);
}

static void
e1000_phy_reset_clk_and_crs(struct e1000_adapter *adapter)
{
	uint16_t phy_reg;

	/* Because we reset the PHY above, we need to re-force TX_CLK in the
	 * Extended PHY Specific Control Register to 25MHz clock.  This
	 * value defaults back to a 2.5MHz clock when the PHY is reset.
	 */
	e1000_read_phy_reg(&adapter->hw, M88E1000_EXT_PHY_SPEC_CTRL, &phy_reg);
	phy_reg |= M88E1000_EPSCR_TX_CLK_25;
	e1000_write_phy_reg(&adapter->hw,
		M88E1000_EXT_PHY_SPEC_CTRL, phy_reg);

	/* In addition, because of the s/w reset above, we need to enable
	 * CRS on TX.  This must be set for both full and half duplex
	 * operation.
	 */
	e1000_read_phy_reg(&adapter->hw, M88E1000_PHY_SPEC_CTRL, &phy_reg);
	phy_reg |= M88E1000_PSCR_ASSERT_CRS_ON_TX;
	e1000_write_phy_reg(&adapter->hw,
		M88E1000_PHY_SPEC_CTRL, phy_reg);
}

static int
e1000_nonintegrated_phy_loopback(struct e1000_adapter *adapter)
{
	uint32_t ctrl_reg;
	uint16_t phy_reg;

	/* Setup the Device Control Register for PHY loopback test. */

	ctrl_reg = E1000_READ_REG(&adapter->hw, CTRL);
	ctrl_reg |= (E1000_CTRL_ILOS |		/* Invert Loss-Of-Signal */
		     E1000_CTRL_FRCSPD |	/* Set the Force Speed Bit */
		     E1000_CTRL_FRCDPX |	/* Set the Force Duplex Bit */
		     E1000_CTRL_SPD_1000 |	/* Force Speed to 1000 */
		     E1000_CTRL_FD);		/* Force Duplex to FULL */

	E1000_WRITE_REG(&adapter->hw, CTRL, ctrl_reg);

	/* Read the PHY Specific Control Register (0x10) */
	e1000_read_phy_reg(&adapter->hw, M88E1000_PHY_SPEC_CTRL, &phy_reg);

	/* Clear Auto-Crossover bits in PHY Specific Control Register
	 * (bits 6:5).
	 */
	phy_reg &= ~M88E1000_PSCR_AUTO_X_MODE;
	e1000_write_phy_reg(&adapter->hw, M88E1000_PHY_SPEC_CTRL, phy_reg);

	/* Perform software reset on the PHY */
	e1000_phy_reset(&adapter->hw);

	/* Have to setup TX_CLK and TX_CRS after software reset */
	e1000_phy_reset_clk_and_crs(adapter);

	e1000_write_phy_reg(&adapter->hw, PHY_CTRL, 0x8100);

	/* Wait for reset to complete. */
	udelay(500);

	/* Have to setup TX_CLK and TX_CRS after software reset */
	e1000_phy_reset_clk_and_crs(adapter);

	/* Write out to PHY registers 29 and 30 to disable the Receiver. */
	e1000_phy_disable_receiver(adapter);

	/* Set the loopback bit in the PHY control register. */
	e1000_read_phy_reg(&adapter->hw, PHY_CTRL, &phy_reg);
	phy_reg |= MII_CR_LOOPBACK;
	e1000_write_phy_reg(&adapter->hw, PHY_CTRL, phy_reg);

	/* Setup TX_CLK and TX_CRS one more time. */
	e1000_phy_reset_clk_and_crs(adapter);

	/* Check Phy Configuration */
	e1000_read_phy_reg(&adapter->hw, PHY_CTRL, &phy_reg);
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Jesse Brandeburg 已提交
1221
	if (phy_reg != 0x4100)
L
Linus Torvalds 已提交
1222 1223 1224
		 return 9;

	e1000_read_phy_reg(&adapter->hw, M88E1000_EXT_PHY_SPEC_CTRL, &phy_reg);
J
Jesse Brandeburg 已提交
1225
	if (phy_reg != 0x0070)
L
Linus Torvalds 已提交
1226 1227 1228
		return 10;

	e1000_read_phy_reg(&adapter->hw, 29, &phy_reg);
J
Jesse Brandeburg 已提交
1229
	if (phy_reg != 0x001A)
L
Linus Torvalds 已提交
1230 1231 1232 1233 1234 1235 1236 1237 1238 1239 1240 1241 1242
		return 11;

	return 0;
}

static int
e1000_integrated_phy_loopback(struct e1000_adapter *adapter)
{
	uint32_t ctrl_reg = 0;
	uint32_t stat_reg = 0;

	adapter->hw.autoneg = FALSE;

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Jesse Brandeburg 已提交
1243
	if (adapter->hw.phy_type == e1000_phy_m88) {
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Linus Torvalds 已提交
1244 1245 1246 1247 1248 1249 1250 1251 1252 1253 1254 1255 1256 1257 1258 1259 1260 1261 1262
		/* Auto-MDI/MDIX Off */
		e1000_write_phy_reg(&adapter->hw,
				    M88E1000_PHY_SPEC_CTRL, 0x0808);
		/* reset to update Auto-MDI/MDIX */
		e1000_write_phy_reg(&adapter->hw, PHY_CTRL, 0x9140);
		/* autoneg off */
		e1000_write_phy_reg(&adapter->hw, PHY_CTRL, 0x8140);
	}
	/* force 1000, set loopback */
	e1000_write_phy_reg(&adapter->hw, PHY_CTRL, 0x4140);

	/* Now set up the MAC to the same speed/duplex as the PHY. */
	ctrl_reg = E1000_READ_REG(&adapter->hw, CTRL);
	ctrl_reg &= ~E1000_CTRL_SPD_SEL; /* Clear the speed sel bits */
	ctrl_reg |= (E1000_CTRL_FRCSPD | /* Set the Force Speed Bit */
		     E1000_CTRL_FRCDPX | /* Set the Force Duplex Bit */
		     E1000_CTRL_SPD_1000 |/* Force Speed to 1000 */
		     E1000_CTRL_FD);	 /* Force Duplex to FULL */

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Jesse Brandeburg 已提交
1263
	if (adapter->hw.media_type == e1000_media_type_copper &&
L
Linus Torvalds 已提交
1264 1265 1266 1267 1268 1269
	   adapter->hw.phy_type == e1000_phy_m88) {
		ctrl_reg |= E1000_CTRL_ILOS; /* Invert Loss of Signal */
	} else {
		/* Set the ILOS bit on the fiber Nic is half
		 * duplex link is detected. */
		stat_reg = E1000_READ_REG(&adapter->hw, STATUS);
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Jesse Brandeburg 已提交
1270
		if ((stat_reg & E1000_STATUS_FD) == 0)
L
Linus Torvalds 已提交
1271 1272 1273 1274 1275 1276 1277 1278
			ctrl_reg |= (E1000_CTRL_ILOS | E1000_CTRL_SLU);
	}

	E1000_WRITE_REG(&adapter->hw, CTRL, ctrl_reg);

	/* Disable the receiver on the PHY so when a cable is plugged in, the
	 * PHY does not begin to autoneg when a cable is reconnected to the NIC.
	 */
J
Jesse Brandeburg 已提交
1279
	if (adapter->hw.phy_type == e1000_phy_m88)
L
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1280 1281 1282 1283 1284 1285 1286 1287 1288 1289 1290 1291 1292 1293 1294
		e1000_phy_disable_receiver(adapter);

	udelay(500);

	return 0;
}

static int
e1000_set_phy_loopback(struct e1000_adapter *adapter)
{
	uint16_t phy_reg = 0;
	uint16_t count = 0;

	switch (adapter->hw.mac_type) {
	case e1000_82543:
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Jesse Brandeburg 已提交
1295
		if (adapter->hw.media_type == e1000_media_type_copper) {
L
Linus Torvalds 已提交
1296 1297 1298 1299
			/* Attempt to setup Loopback mode on Non-integrated PHY.
			 * Some PHY registers get corrupted at random, so
			 * attempt this 10 times.
			 */
J
Jesse Brandeburg 已提交
1300
			while (e1000_nonintegrated_phy_loopback(adapter) &&
L
Linus Torvalds 已提交
1301
			      count++ < 10);
J
Jesse Brandeburg 已提交
1302
			if (count < 11)
L
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1303 1304 1305 1306 1307 1308 1309 1310 1311 1312 1313 1314 1315 1316
				return 0;
		}
		break;

	case e1000_82544:
	case e1000_82540:
	case e1000_82545:
	case e1000_82545_rev_3:
	case e1000_82546:
	case e1000_82546_rev_3:
	case e1000_82541:
	case e1000_82541_rev_2:
	case e1000_82547:
	case e1000_82547_rev_2:
1317 1318
	case e1000_82571:
	case e1000_82572:
1319
	case e1000_82573:
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1320 1321 1322 1323 1324 1325 1326 1327 1328 1329 1330 1331 1332 1333 1334 1335 1336 1337 1338 1339
		return e1000_integrated_phy_loopback(adapter);
		break;

	default:
		/* Default PHY loopback work is to read the MII
		 * control register and assert bit 14 (loopback mode).
		 */
		e1000_read_phy_reg(&adapter->hw, PHY_CTRL, &phy_reg);
		phy_reg |= MII_CR_LOOPBACK;
		e1000_write_phy_reg(&adapter->hw, PHY_CTRL, phy_reg);
		return 0;
		break;
	}

	return 8;
}

static int
e1000_setup_loopback_test(struct e1000_adapter *adapter)
{
J
Jeff Kirsher 已提交
1340
	struct e1000_hw *hw = &adapter->hw;
L
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1341 1342
	uint32_t rctl;

J
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1343 1344 1345 1346 1347 1348 1349
	if (hw->media_type == e1000_media_type_fiber ||
	    hw->media_type == e1000_media_type_internal_serdes) {
		switch (hw->mac_type) {
		case e1000_82545:
		case e1000_82546:
		case e1000_82545_rev_3:
		case e1000_82546_rev_3:
L
Linus Torvalds 已提交
1350
			return e1000_set_phy_loopback(adapter);
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1351 1352 1353 1354 1355 1356 1357 1358 1359 1360 1361
			break;
		case e1000_82571:
		case e1000_82572:
#define E1000_SERDES_LB_ON 0x410
			e1000_set_phy_loopback(adapter);
			E1000_WRITE_REG(hw, SCTL, E1000_SERDES_LB_ON);
			msec_delay(10);
			return 0;
			break;
		default:
			rctl = E1000_READ_REG(hw, RCTL);
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Linus Torvalds 已提交
1362
			rctl |= E1000_RCTL_LBM_TCVR;
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Jeff Kirsher 已提交
1363
			E1000_WRITE_REG(hw, RCTL, rctl);
L
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1364 1365
			return 0;
		}
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1366
	} else if (hw->media_type == e1000_media_type_copper)
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1367 1368 1369 1370 1371 1372 1373 1374
		return e1000_set_phy_loopback(adapter);

	return 7;
}

static void
e1000_loopback_cleanup(struct e1000_adapter *adapter)
{
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Jeff Kirsher 已提交
1375
	struct e1000_hw *hw = &adapter->hw;
L
Linus Torvalds 已提交
1376 1377 1378
	uint32_t rctl;
	uint16_t phy_reg;

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Jeff Kirsher 已提交
1379
	rctl = E1000_READ_REG(hw, RCTL);
L
Linus Torvalds 已提交
1380
	rctl &= ~(E1000_RCTL_LBM_TCVR | E1000_RCTL_LBM_MAC);
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Jeff Kirsher 已提交
1381
	E1000_WRITE_REG(hw, RCTL, rctl);
L
Linus Torvalds 已提交
1382

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1383 1384 1385 1386 1387 1388 1389 1390 1391 1392 1393 1394 1395 1396 1397 1398 1399 1400 1401
	switch (hw->mac_type) {
	case e1000_82571:
	case e1000_82572:
		if (hw->media_type == e1000_media_type_fiber ||
		    hw->media_type == e1000_media_type_internal_serdes) {
#define E1000_SERDES_LB_OFF 0x400
			E1000_WRITE_REG(hw, SCTL, E1000_SERDES_LB_OFF);
			msec_delay(10);
			break;
		}
		/* Fall Through */
	case e1000_82545:
	case e1000_82546:
	case e1000_82545_rev_3:
	case e1000_82546_rev_3:
	default:
		hw->autoneg = TRUE;
		e1000_read_phy_reg(hw, PHY_CTRL, &phy_reg);
		if (phy_reg & MII_CR_LOOPBACK) {
L
Linus Torvalds 已提交
1402
			phy_reg &= ~MII_CR_LOOPBACK;
J
Jeff Kirsher 已提交
1403 1404
			e1000_write_phy_reg(hw, PHY_CTRL, phy_reg);
			e1000_phy_reset(hw);
L
Linus Torvalds 已提交
1405
		}
J
Jeff Kirsher 已提交
1406
		break;
L
Linus Torvalds 已提交
1407 1408 1409 1410 1411 1412 1413
	}
}

static void
e1000_create_lbtest_frame(struct sk_buff *skb, unsigned int frame_size)
{
	memset(skb->data, 0xFF, frame_size);
1414
	frame_size &= ~1;
L
Linus Torvalds 已提交
1415 1416 1417 1418 1419 1420 1421 1422
	memset(&skb->data[frame_size / 2], 0xAA, frame_size / 2 - 1);
	memset(&skb->data[frame_size / 2 + 10], 0xBE, 1);
	memset(&skb->data[frame_size / 2 + 12], 0xAF, 1);
}

static int
e1000_check_lbtest_frame(struct sk_buff *skb, unsigned int frame_size)
{
1423
	frame_size &= ~1;
J
Jesse Brandeburg 已提交
1424 1425
	if (*(skb->data + 3) == 0xFF) {
		if ((*(skb->data + frame_size / 2 + 10) == 0xBE) &&
L
Linus Torvalds 已提交
1426 1427 1428 1429 1430 1431 1432 1433 1434 1435
		   (*(skb->data + frame_size / 2 + 12) == 0xAF)) {
			return 0;
		}
	}
	return 13;
}

static int
e1000_run_loopback_test(struct e1000_adapter *adapter)
{
1436 1437
	struct e1000_tx_ring *txdr = &adapter->test_tx_ring;
	struct e1000_rx_ring *rxdr = &adapter->test_rx_ring;
L
Linus Torvalds 已提交
1438
	struct pci_dev *pdev = adapter->pdev;
1439 1440
	int i, j, k, l, lc, good_cnt, ret_val=0;
	unsigned long time;
L
Linus Torvalds 已提交
1441 1442 1443

	E1000_WRITE_REG(&adapter->hw, RDT, rxdr->count - 1);

J
Jesse Brandeburg 已提交
1444
	/* Calculate the loop count based on the largest descriptor ring
1445 1446 1447
	 * The idea is to wrap the largest ring a number of times using 64
	 * send/receive pairs during each loop
	 */
L
Linus Torvalds 已提交
1448

J
Jesse Brandeburg 已提交
1449
	if (rxdr->count <= txdr->count)
1450 1451 1452 1453 1454
		lc = ((txdr->count / 64) * 2) + 1;
	else
		lc = ((rxdr->count / 64) * 2) + 1;

	k = l = 0;
J
Jesse Brandeburg 已提交
1455 1456 1457
	for (j = 0; j <= lc; j++) { /* loop count loop */
		for (i = 0; i < 64; i++) { /* send the packets */
			e1000_create_lbtest_frame(txdr->buffer_info[i].skb,
1458
					1024);
J
Jesse Brandeburg 已提交
1459
			pci_dma_sync_single_for_device(pdev,
1460 1461 1462
					txdr->buffer_info[k].dma,
				    	txdr->buffer_info[k].length,
				    	PCI_DMA_TODEVICE);
J
Jesse Brandeburg 已提交
1463
			if (unlikely(++k == txdr->count)) k = 0;
1464 1465 1466 1467 1468 1469
		}
		E1000_WRITE_REG(&adapter->hw, TDT, k);
		msec_delay(200);
		time = jiffies; /* set the start time for the receive */
		good_cnt = 0;
		do { /* receive the sent packets */
J
Jesse Brandeburg 已提交
1470
			pci_dma_sync_single_for_cpu(pdev,
1471 1472 1473
					rxdr->buffer_info[l].dma,
				    	rxdr->buffer_info[l].length,
				    	PCI_DMA_FROMDEVICE);
J
Jesse Brandeburg 已提交
1474

1475 1476 1477
			ret_val = e1000_check_lbtest_frame(
					rxdr->buffer_info[l].skb,
				   	1024);
J
Jesse Brandeburg 已提交
1478
			if (!ret_val)
1479
				good_cnt++;
J
Jesse Brandeburg 已提交
1480 1481 1482
			if (unlikely(++l == rxdr->count)) l = 0;
			/* time + 20 msecs (200 msecs on 2.4) is more than
			 * enough time to complete the receives, if it's
1483 1484 1485
			 * exceeded, break and error off
			 */
		} while (good_cnt < 64 && jiffies < (time + 20));
J
Jesse Brandeburg 已提交
1486
		if (good_cnt != 64) {
1487
			ret_val = 13; /* ret_val is the same as mis-compare */
J
Jesse Brandeburg 已提交
1488
			break;
1489
		}
J
Jesse Brandeburg 已提交
1490
		if (jiffies >= (time + 2)) {
1491 1492 1493 1494
			ret_val = 14; /* error code for time out error */
			break;
		}
	} /* end loop count loop */
L
Linus Torvalds 已提交
1495 1496 1497 1498 1499 1500
	return ret_val;
}

static int
e1000_loopback_test(struct e1000_adapter *adapter, uint64_t *data)
{
1501 1502 1503 1504 1505 1506 1507 1508 1509 1510 1511 1512 1513
	/* PHY loopback cannot be performed if SoL/IDER
	 * sessions are active */
	if (e1000_check_phy_reset_block(&adapter->hw)) {
		DPRINTK(DRV, ERR, "Cannot do PHY loopback test "
		        "when SoL/IDER is active.\n");
		*data = 0;
		goto out;
	}

	if ((*data = e1000_setup_desc_rings(adapter)))
		goto out;
	if ((*data = e1000_setup_loopback_test(adapter)))
		goto err_loopback;
L
Linus Torvalds 已提交
1514 1515
	*data = e1000_run_loopback_test(adapter);
	e1000_loopback_cleanup(adapter);
1516

L
Linus Torvalds 已提交
1517
err_loopback:
1518 1519
	e1000_free_desc_rings(adapter);
out:
L
Linus Torvalds 已提交
1520 1521 1522 1523 1524 1525 1526 1527 1528 1529 1530
	return *data;
}

static int
e1000_link_test(struct e1000_adapter *adapter, uint64_t *data)
{
	*data = 0;
	if (adapter->hw.media_type == e1000_media_type_internal_serdes) {
		int i = 0;
		adapter->hw.serdes_link_down = TRUE;

1531 1532
		/* On some blade server designs, link establishment
		 * could take as long as 2-3 minutes */
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Linus Torvalds 已提交
1533 1534 1535 1536 1537 1538 1539
		do {
			e1000_check_for_link(&adapter->hw);
			if (adapter->hw.serdes_link_down == FALSE)
				return *data;
			msec_delay(20);
		} while (i++ < 3750);

1540
		*data = 1;
L
Linus Torvalds 已提交
1541 1542
	} else {
		e1000_check_for_link(&adapter->hw);
J
Jesse Brandeburg 已提交
1543
		if (adapter->hw.autoneg)  /* if auto_neg is set wait for it */
1544
			msec_delay(4000);
L
Linus Torvalds 已提交
1545

J
Jesse Brandeburg 已提交
1546
		if (!(E1000_READ_REG(&adapter->hw, STATUS) & E1000_STATUS_LU)) {
L
Linus Torvalds 已提交
1547 1548 1549 1550 1551 1552
			*data = 1;
		}
	}
	return *data;
}

J
Jesse Brandeburg 已提交
1553
static int
L
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1554 1555 1556 1557 1558 1559 1560 1561 1562
e1000_diag_test_count(struct net_device *netdev)
{
	return E1000_TEST_LEN;
}

static void
e1000_diag_test(struct net_device *netdev,
		   struct ethtool_test *eth_test, uint64_t *data)
{
1563
	struct e1000_adapter *adapter = netdev_priv(netdev);
L
Linus Torvalds 已提交
1564 1565
	boolean_t if_running = netif_running(netdev);

J
Jesse Brandeburg 已提交
1566
	if (eth_test->flags == ETH_TEST_FL_OFFLINE) {
L
Linus Torvalds 已提交
1567 1568 1569 1570 1571 1572 1573 1574 1575
		/* Offline tests */

		/* save speed, duplex, autoneg settings */
		uint16_t autoneg_advertised = adapter->hw.autoneg_advertised;
		uint8_t forced_speed_duplex = adapter->hw.forced_speed_duplex;
		uint8_t autoneg = adapter->hw.autoneg;

		/* Link test performed before hardware reset so autoneg doesn't
		 * interfere with test result */
J
Jesse Brandeburg 已提交
1576
		if (e1000_link_test(adapter, &data[4]))
L
Linus Torvalds 已提交
1577 1578
			eth_test->flags |= ETH_TEST_FL_FAILED;

J
Jesse Brandeburg 已提交
1579
		if (if_running)
L
Linus Torvalds 已提交
1580 1581 1582 1583
			e1000_down(adapter);
		else
			e1000_reset(adapter);

J
Jesse Brandeburg 已提交
1584
		if (e1000_reg_test(adapter, &data[0]))
L
Linus Torvalds 已提交
1585 1586 1587
			eth_test->flags |= ETH_TEST_FL_FAILED;

		e1000_reset(adapter);
J
Jesse Brandeburg 已提交
1588
		if (e1000_eeprom_test(adapter, &data[1]))
L
Linus Torvalds 已提交
1589 1590 1591
			eth_test->flags |= ETH_TEST_FL_FAILED;

		e1000_reset(adapter);
J
Jesse Brandeburg 已提交
1592
		if (e1000_intr_test(adapter, &data[2]))
L
Linus Torvalds 已提交
1593 1594 1595
			eth_test->flags |= ETH_TEST_FL_FAILED;

		e1000_reset(adapter);
J
Jesse Brandeburg 已提交
1596
		if (e1000_loopback_test(adapter, &data[3]))
L
Linus Torvalds 已提交
1597 1598 1599 1600 1601 1602 1603 1604
			eth_test->flags |= ETH_TEST_FL_FAILED;

		/* restore speed, duplex, autoneg settings */
		adapter->hw.autoneg_advertised = autoneg_advertised;
		adapter->hw.forced_speed_duplex = forced_speed_duplex;
		adapter->hw.autoneg = autoneg;

		e1000_reset(adapter);
J
Jesse Brandeburg 已提交
1605
		if (if_running)
L
Linus Torvalds 已提交
1606 1607 1608
			e1000_up(adapter);
	} else {
		/* Online tests */
J
Jesse Brandeburg 已提交
1609
		if (e1000_link_test(adapter, &data[4]))
L
Linus Torvalds 已提交
1610 1611 1612 1613 1614 1615 1616 1617
			eth_test->flags |= ETH_TEST_FL_FAILED;

		/* Offline tests aren't run; pass by default */
		data[0] = 0;
		data[1] = 0;
		data[2] = 0;
		data[3] = 0;
	}
1618
	msleep_interruptible(4 * 1000);
L
Linus Torvalds 已提交
1619 1620 1621 1622 1623
}

static void
e1000_get_wol(struct net_device *netdev, struct ethtool_wolinfo *wol)
{
1624
	struct e1000_adapter *adapter = netdev_priv(netdev);
L
Linus Torvalds 已提交
1625 1626
	struct e1000_hw *hw = &adapter->hw;

J
Jesse Brandeburg 已提交
1627
	switch (adapter->hw.device_id) {
L
Linus Torvalds 已提交
1628 1629 1630 1631 1632 1633 1634 1635 1636 1637 1638 1639 1640
	case E1000_DEV_ID_82542:
	case E1000_DEV_ID_82543GC_FIBER:
	case E1000_DEV_ID_82543GC_COPPER:
	case E1000_DEV_ID_82544EI_FIBER:
	case E1000_DEV_ID_82546EB_QUAD_COPPER:
	case E1000_DEV_ID_82545EM_FIBER:
	case E1000_DEV_ID_82545EM_COPPER:
		wol->supported = 0;
		wol->wolopts   = 0;
		return;

	case E1000_DEV_ID_82546EB_FIBER:
	case E1000_DEV_ID_82546GB_FIBER:
1641
	case E1000_DEV_ID_82571EB_FIBER:
L
Linus Torvalds 已提交
1642
		/* Wake events only supported on port A for dual fiber */
J
Jesse Brandeburg 已提交
1643
		if (E1000_READ_REG(hw, STATUS) & E1000_STATUS_FUNC_1) {
L
Linus Torvalds 已提交
1644 1645 1646 1647 1648 1649 1650 1651 1652 1653 1654
			wol->supported = 0;
			wol->wolopts   = 0;
			return;
		}
		/* Fall Through */

	default:
		wol->supported = WAKE_UCAST | WAKE_MCAST |
				 WAKE_BCAST | WAKE_MAGIC;

		wol->wolopts = 0;
J
Jesse Brandeburg 已提交
1655
		if (adapter->wol & E1000_WUFC_EX)
L
Linus Torvalds 已提交
1656
			wol->wolopts |= WAKE_UCAST;
J
Jesse Brandeburg 已提交
1657
		if (adapter->wol & E1000_WUFC_MC)
L
Linus Torvalds 已提交
1658
			wol->wolopts |= WAKE_MCAST;
J
Jesse Brandeburg 已提交
1659
		if (adapter->wol & E1000_WUFC_BC)
L
Linus Torvalds 已提交
1660
			wol->wolopts |= WAKE_BCAST;
J
Jesse Brandeburg 已提交
1661
		if (adapter->wol & E1000_WUFC_MAG)
L
Linus Torvalds 已提交
1662 1663 1664 1665 1666 1667 1668 1669
			wol->wolopts |= WAKE_MAGIC;
		return;
	}
}

static int
e1000_set_wol(struct net_device *netdev, struct ethtool_wolinfo *wol)
{
1670
	struct e1000_adapter *adapter = netdev_priv(netdev);
L
Linus Torvalds 已提交
1671 1672
	struct e1000_hw *hw = &adapter->hw;

J
Jesse Brandeburg 已提交
1673
	switch (adapter->hw.device_id) {
L
Linus Torvalds 已提交
1674 1675 1676 1677 1678 1679 1680 1681 1682 1683 1684
	case E1000_DEV_ID_82542:
	case E1000_DEV_ID_82543GC_FIBER:
	case E1000_DEV_ID_82543GC_COPPER:
	case E1000_DEV_ID_82544EI_FIBER:
	case E1000_DEV_ID_82546EB_QUAD_COPPER:
	case E1000_DEV_ID_82545EM_FIBER:
	case E1000_DEV_ID_82545EM_COPPER:
		return wol->wolopts ? -EOPNOTSUPP : 0;

	case E1000_DEV_ID_82546EB_FIBER:
	case E1000_DEV_ID_82546GB_FIBER:
1685
	case E1000_DEV_ID_82571EB_FIBER:
L
Linus Torvalds 已提交
1686
		/* Wake events only supported on port A for dual fiber */
J
Jesse Brandeburg 已提交
1687
		if (E1000_READ_REG(hw, STATUS) & E1000_STATUS_FUNC_1)
L
Linus Torvalds 已提交
1688 1689 1690 1691
			return wol->wolopts ? -EOPNOTSUPP : 0;
		/* Fall Through */

	default:
J
Jesse Brandeburg 已提交
1692
		if (wol->wolopts & (WAKE_PHY | WAKE_ARP | WAKE_MAGICSECURE))
L
Linus Torvalds 已提交
1693 1694 1695 1696
			return -EOPNOTSUPP;

		adapter->wol = 0;

J
Jesse Brandeburg 已提交
1697
		if (wol->wolopts & WAKE_UCAST)
L
Linus Torvalds 已提交
1698
			adapter->wol |= E1000_WUFC_EX;
J
Jesse Brandeburg 已提交
1699
		if (wol->wolopts & WAKE_MCAST)
L
Linus Torvalds 已提交
1700
			adapter->wol |= E1000_WUFC_MC;
J
Jesse Brandeburg 已提交
1701
		if (wol->wolopts & WAKE_BCAST)
L
Linus Torvalds 已提交
1702
			adapter->wol |= E1000_WUFC_BC;
J
Jesse Brandeburg 已提交
1703
		if (wol->wolopts & WAKE_MAGIC)
L
Linus Torvalds 已提交
1704 1705 1706 1707 1708 1709 1710 1711 1712 1713 1714 1715 1716 1717 1718 1719 1720
			adapter->wol |= E1000_WUFC_MAG;
	}

	return 0;
}

/* toggle LED 4 times per second = 2 "blinks" per second */
#define E1000_ID_INTERVAL	(HZ/4)

/* bit defines for adapter->led_status */
#define E1000_LED_ON		0

static void
e1000_led_blink_callback(unsigned long data)
{
	struct e1000_adapter *adapter = (struct e1000_adapter *) data;

J
Jesse Brandeburg 已提交
1721
	if (test_and_change_bit(E1000_LED_ON, &adapter->led_status))
L
Linus Torvalds 已提交
1722 1723 1724 1725 1726 1727 1728 1729 1730 1731
		e1000_led_off(&adapter->hw);
	else
		e1000_led_on(&adapter->hw);

	mod_timer(&adapter->blink_timer, jiffies + E1000_ID_INTERVAL);
}

static int
e1000_phys_id(struct net_device *netdev, uint32_t data)
{
1732
	struct e1000_adapter *adapter = netdev_priv(netdev);
L
Linus Torvalds 已提交
1733

J
Jesse Brandeburg 已提交
1734
	if (!data || data > (uint32_t)(MAX_SCHEDULE_TIMEOUT / HZ))
L
Linus Torvalds 已提交
1735 1736
		data = (uint32_t)(MAX_SCHEDULE_TIMEOUT / HZ);

J
Jesse Brandeburg 已提交
1737 1738
	if (adapter->hw.mac_type < e1000_82571) {
		if (!adapter->blink_timer.function) {
1739 1740 1741 1742 1743 1744 1745 1746
			init_timer(&adapter->blink_timer);
			adapter->blink_timer.function = e1000_led_blink_callback;
			adapter->blink_timer.data = (unsigned long) adapter;
		}
		e1000_setup_led(&adapter->hw);
		mod_timer(&adapter->blink_timer, jiffies);
		msleep_interruptible(data * 1000);
		del_timer_sync(&adapter->blink_timer);
1747 1748 1749 1750 1751 1752 1753 1754 1755 1756 1757 1758 1759 1760 1761
	} else if (adapter->hw.mac_type < e1000_82573) {
		E1000_WRITE_REG(&adapter->hw, LEDCTL,
			(E1000_LEDCTL_LED2_BLINK_RATE |
			 E1000_LEDCTL_LED0_BLINK | E1000_LEDCTL_LED2_BLINK |
			 (E1000_LEDCTL_MODE_LED_ON << E1000_LEDCTL_LED2_MODE_SHIFT) |
			 (E1000_LEDCTL_MODE_LINK_ACTIVITY << E1000_LEDCTL_LED0_MODE_SHIFT) |
			 (E1000_LEDCTL_MODE_LED_OFF << E1000_LEDCTL_LED1_MODE_SHIFT)));
		msleep_interruptible(data * 1000);
	} else {
		E1000_WRITE_REG(&adapter->hw, LEDCTL,
			(E1000_LEDCTL_LED2_BLINK_RATE |
			 E1000_LEDCTL_LED1_BLINK | E1000_LEDCTL_LED2_BLINK |
			 (E1000_LEDCTL_MODE_LED_ON << E1000_LEDCTL_LED2_MODE_SHIFT) |
			 (E1000_LEDCTL_MODE_LINK_ACTIVITY << E1000_LEDCTL_LED1_MODE_SHIFT) |
			 (E1000_LEDCTL_MODE_LED_OFF << E1000_LEDCTL_LED0_MODE_SHIFT)));
1762
		msleep_interruptible(data * 1000);
L
Linus Torvalds 已提交
1763 1764 1765 1766 1767 1768 1769 1770 1771 1772 1773 1774
	}

	e1000_led_off(&adapter->hw);
	clear_bit(E1000_LED_ON, &adapter->led_status);
	e1000_cleanup_led(&adapter->hw);

	return 0;
}

static int
e1000_nway_reset(struct net_device *netdev)
{
1775
	struct e1000_adapter *adapter = netdev_priv(netdev);
J
Jesse Brandeburg 已提交
1776
	if (netif_running(netdev)) {
L
Linus Torvalds 已提交
1777 1778 1779 1780 1781 1782
		e1000_down(adapter);
		e1000_up(adapter);
	}
	return 0;
}

J
Jesse Brandeburg 已提交
1783
static int
L
Linus Torvalds 已提交
1784 1785 1786 1787 1788
e1000_get_stats_count(struct net_device *netdev)
{
	return E1000_STATS_LEN;
}

J
Jesse Brandeburg 已提交
1789 1790
static void
e1000_get_ethtool_stats(struct net_device *netdev,
L
Linus Torvalds 已提交
1791 1792
		struct ethtool_stats *stats, uint64_t *data)
{
1793
	struct e1000_adapter *adapter = netdev_priv(netdev);
L
Linus Torvalds 已提交
1794 1795 1796
	int i;

	e1000_update_stats(adapter);
1797 1798 1799
	for (i = 0; i < E1000_GLOBAL_STATS_LEN; i++) {
		char *p = (char *)adapter+e1000_gstrings_stats[i].stat_offset;
		data[i] = (e1000_gstrings_stats[i].sizeof_stat ==
L
Linus Torvalds 已提交
1800 1801
			sizeof(uint64_t)) ? *(uint64_t *)p : *(uint32_t *)p;
	}
1802
/*	BUG_ON(i != E1000_STATS_LEN); */
L
Linus Torvalds 已提交
1803 1804
}

J
Jesse Brandeburg 已提交
1805
static void
L
Linus Torvalds 已提交
1806 1807
e1000_get_strings(struct net_device *netdev, uint32_t stringset, uint8_t *data)
{
1808
	uint8_t *p = data;
L
Linus Torvalds 已提交
1809 1810
	int i;

J
Jesse Brandeburg 已提交
1811
	switch (stringset) {
L
Linus Torvalds 已提交
1812
	case ETH_SS_TEST:
J
Jesse Brandeburg 已提交
1813
		memcpy(data, *e1000_gstrings_test,
L
Linus Torvalds 已提交
1814 1815 1816
			E1000_TEST_LEN*ETH_GSTRING_LEN);
		break;
	case ETH_SS_STATS:
1817 1818 1819 1820 1821 1822
		for (i = 0; i < E1000_GLOBAL_STATS_LEN; i++) {
			memcpy(p, e1000_gstrings_stats[i].stat_string,
			       ETH_GSTRING_LEN);
			p += ETH_GSTRING_LEN;
		}
/*		BUG_ON(p - data != E1000_STATS_LEN * ETH_GSTRING_LEN); */
L
Linus Torvalds 已提交
1823 1824 1825 1826
		break;
	}
}

1827
static struct ethtool_ops e1000_ethtool_ops = {
L
Linus Torvalds 已提交
1828 1829 1830 1831 1832 1833 1834 1835 1836 1837 1838 1839 1840 1841 1842 1843 1844 1845 1846 1847 1848 1849 1850 1851 1852 1853 1854 1855 1856 1857 1858 1859 1860 1861
	.get_settings           = e1000_get_settings,
	.set_settings           = e1000_set_settings,
	.get_drvinfo            = e1000_get_drvinfo,
	.get_regs_len           = e1000_get_regs_len,
	.get_regs               = e1000_get_regs,
	.get_wol                = e1000_get_wol,
	.set_wol                = e1000_set_wol,
	.get_msglevel	        = e1000_get_msglevel,
	.set_msglevel	        = e1000_set_msglevel,
	.nway_reset             = e1000_nway_reset,
	.get_link               = ethtool_op_get_link,
	.get_eeprom_len         = e1000_get_eeprom_len,
	.get_eeprom             = e1000_get_eeprom,
	.set_eeprom             = e1000_set_eeprom,
	.get_ringparam          = e1000_get_ringparam,
	.set_ringparam          = e1000_set_ringparam,
	.get_pauseparam		= e1000_get_pauseparam,
	.set_pauseparam		= e1000_set_pauseparam,
	.get_rx_csum		= e1000_get_rx_csum,
	.set_rx_csum		= e1000_set_rx_csum,
	.get_tx_csum		= e1000_get_tx_csum,
	.set_tx_csum		= e1000_set_tx_csum,
	.get_sg			= ethtool_op_get_sg,
	.set_sg			= ethtool_op_set_sg,
#ifdef NETIF_F_TSO
	.get_tso		= ethtool_op_get_tso,
	.set_tso		= e1000_set_tso,
#endif
	.self_test_count        = e1000_diag_test_count,
	.self_test              = e1000_diag_test,
	.get_strings            = e1000_get_strings,
	.phys_id                = e1000_phys_id,
	.get_stats_count        = e1000_get_stats_count,
	.get_ethtool_stats      = e1000_get_ethtool_stats,
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	.get_perm_addr		= ethtool_op_get_perm_addr,
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Linus Torvalds 已提交
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};

void e1000_set_ethtool_ops(struct net_device *netdev)
{
	SET_ETHTOOL_OPS(netdev, &e1000_ethtool_ops);
}