e1000_ethtool.c

linux-2.4.29操作系统的源码

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

  
  Copyright(c) 1999 - 2004 Intel Corporation. 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:
  Linux NICS <[e-mail]>
  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);
extern int e1000_setup_rx_resources(struct e1000_adapter *adapter);
extern int e1000_setup_tx_resources(struct e1000_adapter *adapter);
extern void e1000_free_rx_resources(struct e1000_adapter *adapter);
extern void e1000_free_tx_resources(struct e1000_adapter *adapter);
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) },
	{ "rx_dropped", E1000_STAT(net_stats.rx_dropped) },
	{ "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) },
	{ "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) },
	{ "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) },
	{ "rx_csum_offload_errors", E1000_STAT(hw_csum_err) }
};
#define E1000_STATS_LEN	\
	sizeof(e1000_gstrings_stats) / sizeof(struct e1000_stats)
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)
{
	struct e1000_adapter *adapter = netdev->priv;
	struct e1000_hw *hw = &adapter->hw;

	if(hw->media_type == e1000_media_type_copper) {

		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;

		if(hw->autoneg == 1) {
			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;

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

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

		ecmd->advertising = (SUPPORTED_1000baseT_Full |
				     SUPPORTED_FIBRE |
				     SUPPORTED_Autoneg);

		ecmd->port = PORT_FIBRE;

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

	if(netif_carrier_ok(adapter->netdev)) {

		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 */

		if(adapter->link_duplex == FULL_DUPLEX)
			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)
{
	struct e1000_adapter *adapter = netdev->priv;
	struct e1000_hw *hw = &adapter->hw;

	if(ecmd->autoneg == AUTONEG_ENABLE) {
		hw->autoneg = 1;
		hw->autoneg_advertised = 0x002F;
		ecmd->advertising = 0x002F;
	} else
		if(e1000_set_spd_dplx(adapter, ecmd->speed + ecmd->duplex))
			return -EINVAL;

	/* reset the link */

	if(netif_running(adapter->netdev)) {
		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)
{
	struct e1000_adapter *adapter = netdev->priv;
	struct e1000_hw *hw = &adapter->hw;

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

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

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

	hw->original_fc = hw->fc;

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

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

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

	if(netif_running(netdev)) {
		e1000_down(adapter);
		e1000_up(adapter);
	} else
		e1000_reset(adapter);
	return 0;
}
	
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)
{
	struct e1000_adapter *adapter = netdev->priv;

	if(adapter->hw.mac_type < e1000_82543) {
		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)
{
	struct e1000_adapter *adapter = netdev->priv;
	if ((adapter->hw.mac_type < e1000_82544) ||
	    (adapter->hw.mac_type == e1000_82547)) 
		return data ? -EINVAL : 0;

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

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

static void
e1000_set_msglevel(struct net_device *netdev, uint32_t data)
{
	struct e1000_adapter *adapter = netdev->priv;
	adapter->msg_enable = data;
}

static int 
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)
{
	struct e1000_adapter *adapter = netdev->priv;
	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) */
	if(hw->phy_type == e1000_phy_igp) {
		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 */