igb_ethtool.c 69.3 KB
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/*******************************************************************************

  Intel(R) Gigabit Ethernet Linux driver
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  Copyright(c) 2007-2012 Intel Corporation.
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  This program is free software; you can redistribute it and/or modify it
  under the terms and conditions of the GNU General Public License,
  version 2, as published by the Free Software Foundation.

  This program is distributed in the hope 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.,
  51 Franklin St - Fifth Floor, Boston, MA 02110-1301 USA.

  The full GNU General Public License is included in this distribution in
  the file called "COPYING".

  Contact Information:
  e1000-devel Mailing List <e1000-devel@lists.sourceforge.net>
  Intel Corporation, 5200 N.E. Elam Young Parkway, Hillsboro, OR 97124-6497

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

/* ethtool support for igb */

#include <linux/vmalloc.h>
#include <linux/netdevice.h>
#include <linux/pci.h>
#include <linux/delay.h>
#include <linux/interrupt.h>
#include <linux/if_ether.h>
#include <linux/ethtool.h>
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#include <linux/sched.h>
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#include <linux/slab.h>
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#include <linux/pm_runtime.h>
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#include "igb.h"

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

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#define IGB_STAT(_name, _stat) { \
	.stat_string = _name, \
	.sizeof_stat = FIELD_SIZEOF(struct igb_adapter, _stat), \
	.stat_offset = offsetof(struct igb_adapter, _stat) \
}
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static const struct igb_stats igb_gstrings_stats[] = {
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	IGB_STAT("rx_packets", stats.gprc),
	IGB_STAT("tx_packets", stats.gptc),
	IGB_STAT("rx_bytes", stats.gorc),
	IGB_STAT("tx_bytes", stats.gotc),
	IGB_STAT("rx_broadcast", stats.bprc),
	IGB_STAT("tx_broadcast", stats.bptc),
	IGB_STAT("rx_multicast", stats.mprc),
	IGB_STAT("tx_multicast", stats.mptc),
	IGB_STAT("multicast", stats.mprc),
	IGB_STAT("collisions", stats.colc),
	IGB_STAT("rx_crc_errors", stats.crcerrs),
	IGB_STAT("rx_no_buffer_count", stats.rnbc),
	IGB_STAT("rx_missed_errors", stats.mpc),
	IGB_STAT("tx_aborted_errors", stats.ecol),
	IGB_STAT("tx_carrier_errors", stats.tncrs),
	IGB_STAT("tx_window_errors", stats.latecol),
	IGB_STAT("tx_abort_late_coll", stats.latecol),
	IGB_STAT("tx_deferred_ok", stats.dc),
	IGB_STAT("tx_single_coll_ok", stats.scc),
	IGB_STAT("tx_multi_coll_ok", stats.mcc),
	IGB_STAT("tx_timeout_count", tx_timeout_count),
	IGB_STAT("rx_long_length_errors", stats.roc),
	IGB_STAT("rx_short_length_errors", stats.ruc),
	IGB_STAT("rx_align_errors", stats.algnerrc),
	IGB_STAT("tx_tcp_seg_good", stats.tsctc),
	IGB_STAT("tx_tcp_seg_failed", stats.tsctfc),
	IGB_STAT("rx_flow_control_xon", stats.xonrxc),
	IGB_STAT("rx_flow_control_xoff", stats.xoffrxc),
	IGB_STAT("tx_flow_control_xon", stats.xontxc),
	IGB_STAT("tx_flow_control_xoff", stats.xofftxc),
	IGB_STAT("rx_long_byte_count", stats.gorc),
	IGB_STAT("tx_dma_out_of_sync", stats.doosync),
	IGB_STAT("tx_smbus", stats.mgptc),
	IGB_STAT("rx_smbus", stats.mgprc),
	IGB_STAT("dropped_smbus", stats.mgpdc),
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	IGB_STAT("os2bmc_rx_by_bmc", stats.o2bgptc),
	IGB_STAT("os2bmc_tx_by_bmc", stats.b2ospc),
	IGB_STAT("os2bmc_tx_by_host", stats.o2bspc),
	IGB_STAT("os2bmc_rx_by_host", stats.b2ogprc),
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};

#define IGB_NETDEV_STAT(_net_stat) { \
	.stat_string = __stringify(_net_stat), \
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	.sizeof_stat = FIELD_SIZEOF(struct rtnl_link_stats64, _net_stat), \
	.stat_offset = offsetof(struct rtnl_link_stats64, _net_stat) \
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}
static const struct igb_stats igb_gstrings_net_stats[] = {
	IGB_NETDEV_STAT(rx_errors),
	IGB_NETDEV_STAT(tx_errors),
	IGB_NETDEV_STAT(tx_dropped),
	IGB_NETDEV_STAT(rx_length_errors),
	IGB_NETDEV_STAT(rx_over_errors),
	IGB_NETDEV_STAT(rx_frame_errors),
	IGB_NETDEV_STAT(rx_fifo_errors),
	IGB_NETDEV_STAT(tx_fifo_errors),
	IGB_NETDEV_STAT(tx_heartbeat_errors)
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};

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#define IGB_GLOBAL_STATS_LEN	\
	(sizeof(igb_gstrings_stats) / sizeof(struct igb_stats))
#define IGB_NETDEV_STATS_LEN	\
	(sizeof(igb_gstrings_net_stats) / sizeof(struct igb_stats))
#define IGB_RX_QUEUE_STATS_LEN \
	(sizeof(struct igb_rx_queue_stats) / sizeof(u64))
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#define IGB_TX_QUEUE_STATS_LEN 3 /* packets, bytes, restart_queue */

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#define IGB_QUEUE_STATS_LEN \
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	((((struct igb_adapter *)netdev_priv(netdev))->num_rx_queues * \
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	  IGB_RX_QUEUE_STATS_LEN) + \
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	 (((struct igb_adapter *)netdev_priv(netdev))->num_tx_queues * \
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	  IGB_TX_QUEUE_STATS_LEN))
#define IGB_STATS_LEN \
	(IGB_GLOBAL_STATS_LEN + IGB_NETDEV_STATS_LEN + IGB_QUEUE_STATS_LEN)

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static const char igb_gstrings_test[][ETH_GSTRING_LEN] = {
	"Register test  (offline)", "Eeprom test    (offline)",
	"Interrupt test (offline)", "Loopback test  (offline)",
	"Link test   (on/offline)"
};
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#define IGB_TEST_LEN (sizeof(igb_gstrings_test) / ETH_GSTRING_LEN)
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static int igb_get_settings(struct net_device *netdev, struct ethtool_cmd *ecmd)
{
	struct igb_adapter *adapter = netdev_priv(netdev);
	struct e1000_hw *hw = &adapter->hw;
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	u32 status;
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	if (hw->phy.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);
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		ecmd->advertising = (ADVERTISED_TP |
				     ADVERTISED_Pause);
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		if (hw->mac.autoneg == 1) {
			ecmd->advertising |= ADVERTISED_Autoneg;
			/* the e1000 autoneg seems to match ethtool nicely */
			ecmd->advertising |= hw->phy.autoneg_advertised;
		}

		ecmd->port = PORT_TP;
		ecmd->phy_address = hw->phy.addr;
	} else {
		ecmd->supported   = (SUPPORTED_1000baseT_Full |
				     SUPPORTED_FIBRE |
				     SUPPORTED_Autoneg);

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

	ecmd->transceiver = XCVR_INTERNAL;

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	status = rd32(E1000_STATUS);
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	if (status & E1000_STATUS_LU) {
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		if ((status & E1000_STATUS_SPEED_1000) ||
		    hw->phy.media_type != e1000_media_type_copper)
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			ethtool_cmd_speed_set(ecmd, SPEED_1000);
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		else if (status & E1000_STATUS_SPEED_100)
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			ethtool_cmd_speed_set(ecmd, SPEED_100);
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		else
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			ethtool_cmd_speed_set(ecmd, SPEED_10);
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		if ((status & E1000_STATUS_FD) ||
		    hw->phy.media_type != e1000_media_type_copper)
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			ecmd->duplex = DUPLEX_FULL;
		else
			ecmd->duplex = DUPLEX_HALF;
	} else {
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		ethtool_cmd_speed_set(ecmd, -1);
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		ecmd->duplex = -1;
	}

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	ecmd->autoneg = hw->mac.autoneg ? AUTONEG_ENABLE : AUTONEG_DISABLE;
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	return 0;
}

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

	/* When SoL/IDER sessions are active, autoneg/speed/duplex
	 * cannot be changed */
	if (igb_check_reset_block(hw)) {
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		dev_err(&adapter->pdev->dev,
			"Cannot change link characteristics when SoL/IDER is active.\n");
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		return -EINVAL;
	}

	while (test_and_set_bit(__IGB_RESETTING, &adapter->state))
		msleep(1);

	if (ecmd->autoneg == AUTONEG_ENABLE) {
		hw->mac.autoneg = 1;
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		hw->phy.autoneg_advertised = ecmd->advertising |
					     ADVERTISED_TP |
					     ADVERTISED_Autoneg;
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		ecmd->advertising = hw->phy.autoneg_advertised;
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		if (adapter->fc_autoneg)
			hw->fc.requested_mode = e1000_fc_default;
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	} else {
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		u32 speed = ethtool_cmd_speed(ecmd);
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		if (igb_set_spd_dplx(adapter, speed, ecmd->duplex)) {
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			clear_bit(__IGB_RESETTING, &adapter->state);
			return -EINVAL;
		}
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	}
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	/* reset the link */
	if (netif_running(adapter->netdev)) {
		igb_down(adapter);
		igb_up(adapter);
	} else
		igb_reset(adapter);

	clear_bit(__IGB_RESETTING, &adapter->state);
	return 0;
}

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static u32 igb_get_link(struct net_device *netdev)
{
	struct igb_adapter *adapter = netdev_priv(netdev);
	struct e1000_mac_info *mac = &adapter->hw.mac;

	/*
	 * If the link is not reported up to netdev, interrupts are disabled,
	 * and so the physical link state may have changed since we last
	 * looked. Set get_link_status to make sure that the true link
	 * state is interrogated, rather than pulling a cached and possibly
	 * stale link state from the driver.
	 */
	if (!netif_carrier_ok(netdev))
		mac->get_link_status = 1;

	return igb_has_link(adapter);
}

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

	pause->autoneg =
		(adapter->fc_autoneg ? AUTONEG_ENABLE : AUTONEG_DISABLE);

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	if (hw->fc.current_mode == e1000_fc_rx_pause)
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		pause->rx_pause = 1;
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	else if (hw->fc.current_mode == e1000_fc_tx_pause)
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		pause->tx_pause = 1;
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	else if (hw->fc.current_mode == e1000_fc_full) {
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		pause->rx_pause = 1;
		pause->tx_pause = 1;
	}
}

static int igb_set_pauseparam(struct net_device *netdev,
			      struct ethtool_pauseparam *pause)
{
	struct igb_adapter *adapter = netdev_priv(netdev);
	struct e1000_hw *hw = &adapter->hw;
	int retval = 0;

	adapter->fc_autoneg = pause->autoneg;

	while (test_and_set_bit(__IGB_RESETTING, &adapter->state))
		msleep(1);

	if (adapter->fc_autoneg == AUTONEG_ENABLE) {
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		hw->fc.requested_mode = e1000_fc_default;
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		if (netif_running(adapter->netdev)) {
			igb_down(adapter);
			igb_up(adapter);
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		} else {
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			igb_reset(adapter);
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		}
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	} else {
		if (pause->rx_pause && pause->tx_pause)
			hw->fc.requested_mode = e1000_fc_full;
		else if (pause->rx_pause && !pause->tx_pause)
			hw->fc.requested_mode = e1000_fc_rx_pause;
		else if (!pause->rx_pause && pause->tx_pause)
			hw->fc.requested_mode = e1000_fc_tx_pause;
		else if (!pause->rx_pause && !pause->tx_pause)
			hw->fc.requested_mode = e1000_fc_none;

		hw->fc.current_mode = hw->fc.requested_mode;

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		retval = ((hw->phy.media_type == e1000_media_type_copper) ?
			  igb_force_mac_fc(hw) : igb_setup_link(hw));
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	}
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	clear_bit(__IGB_RESETTING, &adapter->state);
	return retval;
}

static u32 igb_get_msglevel(struct net_device *netdev)
{
	struct igb_adapter *adapter = netdev_priv(netdev);
	return adapter->msg_enable;
}

static void igb_set_msglevel(struct net_device *netdev, u32 data)
{
	struct igb_adapter *adapter = netdev_priv(netdev);
	adapter->msg_enable = data;
}

static int igb_get_regs_len(struct net_device *netdev)
{
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#define IGB_REGS_LEN 739
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	return IGB_REGS_LEN * sizeof(u32);
}

static void igb_get_regs(struct net_device *netdev,
			 struct ethtool_regs *regs, void *p)
{
	struct igb_adapter *adapter = netdev_priv(netdev);
	struct e1000_hw *hw = &adapter->hw;
	u32 *regs_buff = p;
	u8 i;

	memset(p, 0, IGB_REGS_LEN * sizeof(u32));

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

	/* General Registers */
	regs_buff[0] = rd32(E1000_CTRL);
	regs_buff[1] = rd32(E1000_STATUS);
	regs_buff[2] = rd32(E1000_CTRL_EXT);
	regs_buff[3] = rd32(E1000_MDIC);
	regs_buff[4] = rd32(E1000_SCTL);
	regs_buff[5] = rd32(E1000_CONNSW);
	regs_buff[6] = rd32(E1000_VET);
	regs_buff[7] = rd32(E1000_LEDCTL);
	regs_buff[8] = rd32(E1000_PBA);
	regs_buff[9] = rd32(E1000_PBS);
	regs_buff[10] = rd32(E1000_FRTIMER);
	regs_buff[11] = rd32(E1000_TCPTIMER);

	/* NVM Register */
	regs_buff[12] = rd32(E1000_EECD);

	/* Interrupt */
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	/* Reading EICS for EICR because they read the
	 * same but EICS does not clear on read */
	regs_buff[13] = rd32(E1000_EICS);
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	regs_buff[14] = rd32(E1000_EICS);
	regs_buff[15] = rd32(E1000_EIMS);
	regs_buff[16] = rd32(E1000_EIMC);
	regs_buff[17] = rd32(E1000_EIAC);
	regs_buff[18] = rd32(E1000_EIAM);
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	/* Reading ICS for ICR because they read the
	 * same but ICS does not clear on read */
	regs_buff[19] = rd32(E1000_ICS);
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	regs_buff[20] = rd32(E1000_ICS);
	regs_buff[21] = rd32(E1000_IMS);
	regs_buff[22] = rd32(E1000_IMC);
	regs_buff[23] = rd32(E1000_IAC);
	regs_buff[24] = rd32(E1000_IAM);
	regs_buff[25] = rd32(E1000_IMIRVP);

	/* Flow Control */
	regs_buff[26] = rd32(E1000_FCAL);
	regs_buff[27] = rd32(E1000_FCAH);
	regs_buff[28] = rd32(E1000_FCTTV);
	regs_buff[29] = rd32(E1000_FCRTL);
	regs_buff[30] = rd32(E1000_FCRTH);
	regs_buff[31] = rd32(E1000_FCRTV);

	/* Receive */
	regs_buff[32] = rd32(E1000_RCTL);
	regs_buff[33] = rd32(E1000_RXCSUM);
	regs_buff[34] = rd32(E1000_RLPML);
	regs_buff[35] = rd32(E1000_RFCTL);
	regs_buff[36] = rd32(E1000_MRQC);
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	regs_buff[37] = rd32(E1000_VT_CTL);
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	/* Transmit */
	regs_buff[38] = rd32(E1000_TCTL);
	regs_buff[39] = rd32(E1000_TCTL_EXT);
	regs_buff[40] = rd32(E1000_TIPG);
	regs_buff[41] = rd32(E1000_DTXCTL);

	/* Wake Up */
	regs_buff[42] = rd32(E1000_WUC);
	regs_buff[43] = rd32(E1000_WUFC);
	regs_buff[44] = rd32(E1000_WUS);
	regs_buff[45] = rd32(E1000_IPAV);
	regs_buff[46] = rd32(E1000_WUPL);

	/* MAC */
	regs_buff[47] = rd32(E1000_PCS_CFG0);
	regs_buff[48] = rd32(E1000_PCS_LCTL);
	regs_buff[49] = rd32(E1000_PCS_LSTAT);
	regs_buff[50] = rd32(E1000_PCS_ANADV);
	regs_buff[51] = rd32(E1000_PCS_LPAB);
	regs_buff[52] = rd32(E1000_PCS_NPTX);
	regs_buff[53] = rd32(E1000_PCS_LPABNP);

	/* Statistics */
	regs_buff[54] = adapter->stats.crcerrs;
	regs_buff[55] = adapter->stats.algnerrc;
	regs_buff[56] = adapter->stats.symerrs;
	regs_buff[57] = adapter->stats.rxerrc;
	regs_buff[58] = adapter->stats.mpc;
	regs_buff[59] = adapter->stats.scc;
	regs_buff[60] = adapter->stats.ecol;
	regs_buff[61] = adapter->stats.mcc;
	regs_buff[62] = adapter->stats.latecol;
	regs_buff[63] = adapter->stats.colc;
	regs_buff[64] = adapter->stats.dc;
	regs_buff[65] = adapter->stats.tncrs;
	regs_buff[66] = adapter->stats.sec;
	regs_buff[67] = adapter->stats.htdpmc;
	regs_buff[68] = adapter->stats.rlec;
	regs_buff[69] = adapter->stats.xonrxc;
	regs_buff[70] = adapter->stats.xontxc;
	regs_buff[71] = adapter->stats.xoffrxc;
	regs_buff[72] = adapter->stats.xofftxc;
	regs_buff[73] = adapter->stats.fcruc;
	regs_buff[74] = adapter->stats.prc64;
	regs_buff[75] = adapter->stats.prc127;
	regs_buff[76] = adapter->stats.prc255;
	regs_buff[77] = adapter->stats.prc511;
	regs_buff[78] = adapter->stats.prc1023;
	regs_buff[79] = adapter->stats.prc1522;
	regs_buff[80] = adapter->stats.gprc;
	regs_buff[81] = adapter->stats.bprc;
	regs_buff[82] = adapter->stats.mprc;
	regs_buff[83] = adapter->stats.gptc;
	regs_buff[84] = adapter->stats.gorc;
	regs_buff[86] = adapter->stats.gotc;
	regs_buff[88] = adapter->stats.rnbc;
	regs_buff[89] = adapter->stats.ruc;
	regs_buff[90] = adapter->stats.rfc;
	regs_buff[91] = adapter->stats.roc;
	regs_buff[92] = adapter->stats.rjc;
	regs_buff[93] = adapter->stats.mgprc;
	regs_buff[94] = adapter->stats.mgpdc;
	regs_buff[95] = adapter->stats.mgptc;
	regs_buff[96] = adapter->stats.tor;
	regs_buff[98] = adapter->stats.tot;
	regs_buff[100] = adapter->stats.tpr;
	regs_buff[101] = adapter->stats.tpt;
	regs_buff[102] = adapter->stats.ptc64;
	regs_buff[103] = adapter->stats.ptc127;
	regs_buff[104] = adapter->stats.ptc255;
	regs_buff[105] = adapter->stats.ptc511;
	regs_buff[106] = adapter->stats.ptc1023;
	regs_buff[107] = adapter->stats.ptc1522;
	regs_buff[108] = adapter->stats.mptc;
	regs_buff[109] = adapter->stats.bptc;
	regs_buff[110] = adapter->stats.tsctc;
	regs_buff[111] = adapter->stats.iac;
	regs_buff[112] = adapter->stats.rpthc;
	regs_buff[113] = adapter->stats.hgptc;
	regs_buff[114] = adapter->stats.hgorc;
	regs_buff[116] = adapter->stats.hgotc;
	regs_buff[118] = adapter->stats.lenerrs;
	regs_buff[119] = adapter->stats.scvpc;
	regs_buff[120] = adapter->stats.hrmpc;

	for (i = 0; i < 4; i++)
		regs_buff[121 + i] = rd32(E1000_SRRCTL(i));
	for (i = 0; i < 4; i++)
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		regs_buff[125 + i] = rd32(E1000_PSRTYPE(i));
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	for (i = 0; i < 4; i++)
		regs_buff[129 + i] = rd32(E1000_RDBAL(i));
	for (i = 0; i < 4; i++)
		regs_buff[133 + i] = rd32(E1000_RDBAH(i));
	for (i = 0; i < 4; i++)
		regs_buff[137 + i] = rd32(E1000_RDLEN(i));
	for (i = 0; i < 4; i++)
		regs_buff[141 + i] = rd32(E1000_RDH(i));
	for (i = 0; i < 4; i++)
		regs_buff[145 + i] = rd32(E1000_RDT(i));
	for (i = 0; i < 4; i++)
		regs_buff[149 + i] = rd32(E1000_RXDCTL(i));

	for (i = 0; i < 10; i++)
		regs_buff[153 + i] = rd32(E1000_EITR(i));
	for (i = 0; i < 8; i++)
		regs_buff[163 + i] = rd32(E1000_IMIR(i));
	for (i = 0; i < 8; i++)
		regs_buff[171 + i] = rd32(E1000_IMIREXT(i));
	for (i = 0; i < 16; i++)
		regs_buff[179 + i] = rd32(E1000_RAL(i));
	for (i = 0; i < 16; i++)
		regs_buff[195 + i] = rd32(E1000_RAH(i));

	for (i = 0; i < 4; i++)
		regs_buff[211 + i] = rd32(E1000_TDBAL(i));
	for (i = 0; i < 4; i++)
		regs_buff[215 + i] = rd32(E1000_TDBAH(i));
	for (i = 0; i < 4; i++)
		regs_buff[219 + i] = rd32(E1000_TDLEN(i));
	for (i = 0; i < 4; i++)
		regs_buff[223 + i] = rd32(E1000_TDH(i));
	for (i = 0; i < 4; i++)
		regs_buff[227 + i] = rd32(E1000_TDT(i));
	for (i = 0; i < 4; i++)
		regs_buff[231 + i] = rd32(E1000_TXDCTL(i));
	for (i = 0; i < 4; i++)
		regs_buff[235 + i] = rd32(E1000_TDWBAL(i));
	for (i = 0; i < 4; i++)
		regs_buff[239 + i] = rd32(E1000_TDWBAH(i));
	for (i = 0; i < 4; i++)
		regs_buff[243 + i] = rd32(E1000_DCA_TXCTRL(i));

	for (i = 0; i < 4; i++)
		regs_buff[247 + i] = rd32(E1000_IP4AT_REG(i));
	for (i = 0; i < 4; i++)
		regs_buff[251 + i] = rd32(E1000_IP6AT_REG(i));
	for (i = 0; i < 32; i++)
		regs_buff[255 + i] = rd32(E1000_WUPM_REG(i));
	for (i = 0; i < 128; i++)
		regs_buff[287 + i] = rd32(E1000_FFMT_REG(i));
	for (i = 0; i < 128; i++)
		regs_buff[415 + i] = rd32(E1000_FFVT_REG(i));
	for (i = 0; i < 4; i++)
		regs_buff[543 + i] = rd32(E1000_FFLT_REG(i));

	regs_buff[547] = rd32(E1000_TDFH);
	regs_buff[548] = rd32(E1000_TDFT);
	regs_buff[549] = rd32(E1000_TDFHS);
	regs_buff[550] = rd32(E1000_TDFPC);
555 556 557 558 559 560 561

	if (hw->mac.type > e1000_82580) {
		regs_buff[551] = adapter->stats.o2bgptc;
		regs_buff[552] = adapter->stats.b2ospc;
		regs_buff[553] = adapter->stats.o2bspc;
		regs_buff[554] = adapter->stats.b2ogprc;
	}
562 563 564 565 566 567 568 569 570 571 572 573 574 575 576 577 578 579 580 581 582 583 584 585 586 587 588 589 590 591 592 593 594 595 596 597

	if (hw->mac.type != e1000_82576)
		return;
	for (i = 0; i < 12; i++)
		regs_buff[555 + i] = rd32(E1000_SRRCTL(i + 4));
	for (i = 0; i < 4; i++)
		regs_buff[567 + i] = rd32(E1000_PSRTYPE(i + 4));
	for (i = 0; i < 12; i++)
		regs_buff[571 + i] = rd32(E1000_RDBAL(i + 4));
	for (i = 0; i < 12; i++)
		regs_buff[583 + i] = rd32(E1000_RDBAH(i + 4));
	for (i = 0; i < 12; i++)
		regs_buff[595 + i] = rd32(E1000_RDLEN(i + 4));
	for (i = 0; i < 12; i++)
		regs_buff[607 + i] = rd32(E1000_RDH(i + 4));
	for (i = 0; i < 12; i++)
		regs_buff[619 + i] = rd32(E1000_RDT(i + 4));
	for (i = 0; i < 12; i++)
		regs_buff[631 + i] = rd32(E1000_RXDCTL(i + 4));

	for (i = 0; i < 12; i++)
		regs_buff[643 + i] = rd32(E1000_TDBAL(i + 4));
	for (i = 0; i < 12; i++)
		regs_buff[655 + i] = rd32(E1000_TDBAH(i + 4));
	for (i = 0; i < 12; i++)
		regs_buff[667 + i] = rd32(E1000_TDLEN(i + 4));
	for (i = 0; i < 12; i++)
		regs_buff[679 + i] = rd32(E1000_TDH(i + 4));
	for (i = 0; i < 12; i++)
		regs_buff[691 + i] = rd32(E1000_TDT(i + 4));
	for (i = 0; i < 12; i++)
		regs_buff[703 + i] = rd32(E1000_TXDCTL(i + 4));
	for (i = 0; i < 12; i++)
		regs_buff[715 + i] = rd32(E1000_TDWBAL(i + 4));
	for (i = 0; i < 12; i++)
		regs_buff[727 + i] = rd32(E1000_TDWBAH(i + 4));
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}

static int igb_get_eeprom_len(struct net_device *netdev)
{
	struct igb_adapter *adapter = netdev_priv(netdev);
	return adapter->hw.nvm.word_size * 2;
}

static int igb_get_eeprom(struct net_device *netdev,
			  struct ethtool_eeprom *eeprom, u8 *bytes)
{
	struct igb_adapter *adapter = netdev_priv(netdev);
	struct e1000_hw *hw = &adapter->hw;
	u16 *eeprom_buff;
	int first_word, last_word;
	int ret_val = 0;
	u16 i;

	if (eeprom->len == 0)
		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(u16) *
			(last_word - first_word + 1), GFP_KERNEL);
	if (!eeprom_buff)
		return -ENOMEM;

	if (hw->nvm.type == e1000_nvm_eeprom_spi)
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		ret_val = hw->nvm.ops.read(hw, first_word,
631 632 633 634
					    last_word - first_word + 1,
					    eeprom_buff);
	else {
		for (i = 0; i < last_word - first_word + 1; i++) {
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			ret_val = hw->nvm.ops.read(hw, first_word + i, 1,
636 637 638 639 640 641 642 643 644 645 646 647 648 649 650 651 652 653 654 655 656 657 658 659 660 661 662 663 664 665
						    &eeprom_buff[i]);
			if (ret_val)
				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, (u8 *)eeprom_buff + (eeprom->offset & 1),
			eeprom->len);
	kfree(eeprom_buff);

	return ret_val;
}

static int igb_set_eeprom(struct net_device *netdev,
			  struct ethtool_eeprom *eeprom, u8 *bytes)
{
	struct igb_adapter *adapter = netdev_priv(netdev);
	struct e1000_hw *hw = &adapter->hw;
	u16 *eeprom_buff;
	void *ptr;
	int max_len, first_word, last_word, ret_val = 0;
	u16 i;

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

666 667 668
	if (hw->mac.type == e1000_i211)
		return -EOPNOTSUPP;

669 670 671 672 673 674 675 676 677 678 679 680 681 682 683 684
	if (eeprom->magic != (hw->vendor_id | (hw->device_id << 16)))
		return -EFAULT;

	max_len = hw->nvm.word_size * 2;

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

	ptr = (void *)eeprom_buff;

	if (eeprom->offset & 1) {
		/* need read/modify/write of first changed EEPROM word */
		/* only the second byte of the word is being modified */
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		ret_val = hw->nvm.ops.read(hw, first_word, 1,
686 687 688 689 690 691
					    &eeprom_buff[0]);
		ptr++;
	}
	if (((eeprom->offset + eeprom->len) & 1) && (ret_val == 0)) {
		/* need read/modify/write of last changed EEPROM word */
		/* only the first byte of the word is being modified */
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		ret_val = hw->nvm.ops.read(hw, last_word, 1,
693 694 695 696 697 698 699 700 701 702 703 704
				   &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]);

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	ret_val = hw->nvm.ops.write(hw, first_word,
706 707 708 709 710
				     last_word - first_word + 1, eeprom_buff);

	/* Update the checksum over the first part of the EEPROM if needed
	 * and flush shadow RAM for 82573 controllers */
	if ((ret_val == 0) && ((first_word <= NVM_CHECKSUM_REG)))
711
		hw->nvm.ops.update(hw);
712

713
	igb_set_fw_version(adapter);
714 715 716 717 718 719 720 721 722
	kfree(eeprom_buff);
	return ret_val;
}

static void igb_get_drvinfo(struct net_device *netdev,
			    struct ethtool_drvinfo *drvinfo)
{
	struct igb_adapter *adapter = netdev_priv(netdev);

723 724
	strlcpy(drvinfo->driver,  igb_driver_name, sizeof(drvinfo->driver));
	strlcpy(drvinfo->version, igb_driver_version, sizeof(drvinfo->version));
725

726 727 728 729 730 731
	/*
	 * EEPROM image version # is reported as firmware version # for
	 * 82575 controllers
	 */
	strlcpy(drvinfo->fw_version, adapter->fw_version,
		sizeof(drvinfo->fw_version));
732 733
	strlcpy(drvinfo->bus_info, pci_name(adapter->pdev),
		sizeof(drvinfo->bus_info));
734 735 736 737 738 739 740 741 742 743 744 745 746
	drvinfo->n_stats = IGB_STATS_LEN;
	drvinfo->testinfo_len = IGB_TEST_LEN;
	drvinfo->regdump_len = igb_get_regs_len(netdev);
	drvinfo->eedump_len = igb_get_eeprom_len(netdev);
}

static void igb_get_ringparam(struct net_device *netdev,
			      struct ethtool_ringparam *ring)
{
	struct igb_adapter *adapter = netdev_priv(netdev);

	ring->rx_max_pending = IGB_MAX_RXD;
	ring->tx_max_pending = IGB_MAX_TXD;
747 748
	ring->rx_pending = adapter->rx_ring_count;
	ring->tx_pending = adapter->tx_ring_count;
749 750 751 752 753 754
}

static int igb_set_ringparam(struct net_device *netdev,
			     struct ethtool_ringparam *ring)
{
	struct igb_adapter *adapter = netdev_priv(netdev);
755
	struct igb_ring *temp_ring;
756
	int i, err = 0;
757
	u16 new_rx_count, new_tx_count;
758 759 760 761

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

762 763
	new_rx_count = min_t(u32, ring->rx_pending, IGB_MAX_RXD);
	new_rx_count = max_t(u16, new_rx_count, IGB_MIN_RXD);
764 765
	new_rx_count = ALIGN(new_rx_count, REQ_RX_DESCRIPTOR_MULTIPLE);

766 767
	new_tx_count = min_t(u32, ring->tx_pending, IGB_MAX_TXD);
	new_tx_count = max_t(u16, new_tx_count, IGB_MIN_TXD);
768 769
	new_tx_count = ALIGN(new_tx_count, REQ_TX_DESCRIPTOR_MULTIPLE);

770 771
	if ((new_tx_count == adapter->tx_ring_count) &&
	    (new_rx_count == adapter->rx_ring_count)) {
772 773 774 775
		/* nothing to do */
		return 0;
	}

776 777 778 779 780
	while (test_and_set_bit(__IGB_RESETTING, &adapter->state))
		msleep(1);

	if (!netif_running(adapter->netdev)) {
		for (i = 0; i < adapter->num_tx_queues; i++)
781
			adapter->tx_ring[i]->count = new_tx_count;
782
		for (i = 0; i < adapter->num_rx_queues; i++)
783
			adapter->rx_ring[i]->count = new_rx_count;
784 785 786 787 788
		adapter->tx_ring_count = new_tx_count;
		adapter->rx_ring_count = new_rx_count;
		goto clear_reset;
	}

789 790 791 792 793
	if (adapter->num_tx_queues > adapter->num_rx_queues)
		temp_ring = vmalloc(adapter->num_tx_queues * sizeof(struct igb_ring));
	else
		temp_ring = vmalloc(adapter->num_rx_queues * sizeof(struct igb_ring));

794 795 796 797
	if (!temp_ring) {
		err = -ENOMEM;
		goto clear_reset;
	}
798

799
	igb_down(adapter);
800 801 802 803 804 805

	/*
	 * We can't just free everything and then setup again,
	 * because the ISRs in MSI-X mode get passed pointers
	 * to the tx and rx ring structs.
	 */
806
	if (new_tx_count != adapter->tx_ring_count) {
807
		for (i = 0; i < adapter->num_tx_queues; i++) {
808 809 810
			memcpy(&temp_ring[i], adapter->tx_ring[i],
			       sizeof(struct igb_ring));

811
			temp_ring[i].count = new_tx_count;
812
			err = igb_setup_tx_resources(&temp_ring[i]);
813
			if (err) {
814 815 816 817
				while (i) {
					i--;
					igb_free_tx_resources(&temp_ring[i]);
				}
818 819 820
				goto err_setup;
			}
		}
821

822 823
		for (i = 0; i < adapter->num_tx_queues; i++) {
			igb_free_tx_resources(adapter->tx_ring[i]);
824

825 826 827
			memcpy(adapter->tx_ring[i], &temp_ring[i],
			       sizeof(struct igb_ring));
		}
828 829

		adapter->tx_ring_count = new_tx_count;
830 831
	}

832
	if (new_rx_count != adapter->rx_ring_count) {
833
		for (i = 0; i < adapter->num_rx_queues; i++) {
834 835 836
			memcpy(&temp_ring[i], adapter->rx_ring[i],
			       sizeof(struct igb_ring));

837
			temp_ring[i].count = new_rx_count;
838
			err = igb_setup_rx_resources(&temp_ring[i]);
839
			if (err) {
840 841 842 843
				while (i) {
					i--;
					igb_free_rx_resources(&temp_ring[i]);
				}
844 845 846 847
				goto err_setup;
			}

		}
848

849 850
		for (i = 0; i < adapter->num_rx_queues; i++) {
			igb_free_rx_resources(adapter->rx_ring[i]);
851

852 853 854
			memcpy(adapter->rx_ring[i], &temp_ring[i],
			       sizeof(struct igb_ring));
		}
855 856

		adapter->rx_ring_count = new_rx_count;
857 858
	}
err_setup:
859
	igb_up(adapter);
860
	vfree(temp_ring);
861 862
clear_reset:
	clear_bit(__IGB_RESETTING, &adapter->state);
863 864 865 866 867 868
	return err;
}

/* ethtool register test data */
struct igb_reg_test {
	u16 reg;
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	u16 reg_offset;
	u16 array_len;
	u16 test_type;
872 873 874 875 876 877 878 879 880 881 882 883 884 885 886 887 888 889 890 891 892
	u32 mask;
	u32 write;
};

/* In the hardware, registers are laid out either singly, in arrays
 * spaced 0x100 bytes apart, or in contiguous tables.  We assume
 * most tests take place on arrays or single registers (handled
 * as a single-element array) and special-case the tables.
 * Table tests are always pattern tests.
 *
 * We also make provision for some required setup steps by specifying
 * registers to be written without any read-back testing.
 */

#define PATTERN_TEST	1
#define SET_READ_TEST	2
#define WRITE_NO_TEST	3
#define TABLE32_TEST	4
#define TABLE64_TEST_LO	5
#define TABLE64_TEST_HI	6

893 894 895 896 897 898 899 900 901 902 903 904 905 906 907 908 909 910 911 912 913 914 915 916 917 918 919 920 921 922
/* i210 reg test */
static struct igb_reg_test reg_test_i210[] = {
	{ E1000_FCAL,	   0x100, 1,  PATTERN_TEST, 0xFFFFFFFF, 0xFFFFFFFF },
	{ E1000_FCAH,	   0x100, 1,  PATTERN_TEST, 0x0000FFFF, 0xFFFFFFFF },
	{ E1000_FCT,	   0x100, 1,  PATTERN_TEST, 0x0000FFFF, 0xFFFFFFFF },
	{ E1000_RDBAL(0),  0x100, 4,  PATTERN_TEST, 0xFFFFFF80, 0xFFFFFFFF },
	{ E1000_RDBAH(0),  0x100, 4,  PATTERN_TEST, 0xFFFFFFFF, 0xFFFFFFFF },
	{ E1000_RDLEN(0),  0x100, 4,  PATTERN_TEST, 0x000FFF80, 0x000FFFFF },
	/* RDH is read-only for i210, only test RDT. */
	{ E1000_RDT(0),	   0x100, 4,  PATTERN_TEST, 0x0000FFFF, 0x0000FFFF },
	{ E1000_FCRTH,	   0x100, 1,  PATTERN_TEST, 0x0000FFF0, 0x0000FFF0 },
	{ E1000_FCTTV,	   0x100, 1,  PATTERN_TEST, 0x0000FFFF, 0x0000FFFF },
	{ E1000_TIPG,	   0x100, 1,  PATTERN_TEST, 0x3FFFFFFF, 0x3FFFFFFF },
	{ E1000_TDBAL(0),  0x100, 4,  PATTERN_TEST, 0xFFFFFF80, 0xFFFFFFFF },
	{ E1000_TDBAH(0),  0x100, 4,  PATTERN_TEST, 0xFFFFFFFF, 0xFFFFFFFF },
	{ E1000_TDLEN(0),  0x100, 4,  PATTERN_TEST, 0x000FFF80, 0x000FFFFF },
	{ E1000_TDT(0),	   0x100, 4,  PATTERN_TEST, 0x0000FFFF, 0x0000FFFF },
	{ E1000_RCTL,	   0x100, 1,  SET_READ_TEST, 0xFFFFFFFF, 0x00000000 },
	{ E1000_RCTL,	   0x100, 1,  SET_READ_TEST, 0x04CFB0FE, 0x003FFFFB },
	{ E1000_RCTL,	   0x100, 1,  SET_READ_TEST, 0x04CFB0FE, 0xFFFFFFFF },
	{ E1000_TCTL,	   0x100, 1,  SET_READ_TEST, 0xFFFFFFFF, 0x00000000 },
	{ E1000_RA,	   0, 16, TABLE64_TEST_LO,
						0xFFFFFFFF, 0xFFFFFFFF },
	{ E1000_RA,	   0, 16, TABLE64_TEST_HI,
						0x900FFFFF, 0xFFFFFFFF },
	{ E1000_MTA,	   0, 128, TABLE32_TEST,
						0xFFFFFFFF, 0xFFFFFFFF },
	{ 0, 0, 0, 0, 0 }
};

923 924 925 926 927 928 929 930
/* i350 reg test */
static struct igb_reg_test reg_test_i350[] = {
	{ E1000_FCAL,	   0x100, 1,  PATTERN_TEST, 0xFFFFFFFF, 0xFFFFFFFF },
	{ E1000_FCAH,	   0x100, 1,  PATTERN_TEST, 0x0000FFFF, 0xFFFFFFFF },
	{ E1000_FCT,	   0x100, 1,  PATTERN_TEST, 0x0000FFFF, 0xFFFFFFFF },
	{ E1000_VET,	   0x100, 1,  PATTERN_TEST, 0xFFFF0000, 0xFFFF0000 },
	{ E1000_RDBAL(0),  0x100, 4,  PATTERN_TEST, 0xFFFFFF80, 0xFFFFFFFF },
	{ E1000_RDBAH(0),  0x100, 4,  PATTERN_TEST, 0xFFFFFFFF, 0xFFFFFFFF },
931
	{ E1000_RDLEN(0),  0x100, 4,  PATTERN_TEST, 0x000FFF80, 0x000FFFFF },
932 933
	{ E1000_RDBAL(4),  0x40,  4,  PATTERN_TEST, 0xFFFFFF80, 0xFFFFFFFF },
	{ E1000_RDBAH(4),  0x40,  4,  PATTERN_TEST, 0xFFFFFFFF, 0xFFFFFFFF },
934
	{ E1000_RDLEN(4),  0x40,  4,  PATTERN_TEST, 0x000FFF80, 0x000FFFFF },
935 936 937 938 939 940 941 942
	/* RDH is read-only for i350, only test RDT. */
	{ E1000_RDT(0),	   0x100, 4,  PATTERN_TEST, 0x0000FFFF, 0x0000FFFF },
	{ E1000_RDT(4),	   0x40,  4,  PATTERN_TEST, 0x0000FFFF, 0x0000FFFF },
	{ E1000_FCRTH,	   0x100, 1,  PATTERN_TEST, 0x0000FFF0, 0x0000FFF0 },
	{ E1000_FCTTV,	   0x100, 1,  PATTERN_TEST, 0x0000FFFF, 0x0000FFFF },
	{ E1000_TIPG,	   0x100, 1,  PATTERN_TEST, 0x3FFFFFFF, 0x3FFFFFFF },
	{ E1000_TDBAL(0),  0x100, 4,  PATTERN_TEST, 0xFFFFFF80, 0xFFFFFFFF },
	{ E1000_TDBAH(0),  0x100, 4,  PATTERN_TEST, 0xFFFFFFFF, 0xFFFFFFFF },
943
	{ E1000_TDLEN(0),  0x100, 4,  PATTERN_TEST, 0x000FFF80, 0x000FFFFF },
944 945
	{ E1000_TDBAL(4),  0x40,  4,  PATTERN_TEST, 0xFFFFFF80, 0xFFFFFFFF },
	{ E1000_TDBAH(4),  0x40,  4,  PATTERN_TEST, 0xFFFFFFFF, 0xFFFFFFFF },
946
	{ E1000_TDLEN(4),  0x40,  4,  PATTERN_TEST, 0x000FFF80, 0x000FFFFF },
947 948 949 950 951 952 953 954 955 956 957 958 959 960 961 962 963 964 965
	{ E1000_TDT(0),	   0x100, 4,  PATTERN_TEST, 0x0000FFFF, 0x0000FFFF },
	{ E1000_TDT(4),	   0x40,  4,  PATTERN_TEST, 0x0000FFFF, 0x0000FFFF },
	{ E1000_RCTL,	   0x100, 1,  SET_READ_TEST, 0xFFFFFFFF, 0x00000000 },
	{ E1000_RCTL, 	   0x100, 1,  SET_READ_TEST, 0x04CFB0FE, 0x003FFFFB },
	{ E1000_RCTL, 	   0x100, 1,  SET_READ_TEST, 0x04CFB0FE, 0xFFFFFFFF },
	{ E1000_TCTL,	   0x100, 1,  SET_READ_TEST, 0xFFFFFFFF, 0x00000000 },
	{ E1000_RA,	   0, 16, TABLE64_TEST_LO,
						0xFFFFFFFF, 0xFFFFFFFF },
	{ E1000_RA,	   0, 16, TABLE64_TEST_HI,
						0xC3FFFFFF, 0xFFFFFFFF },
	{ E1000_RA2,	   0, 16, TABLE64_TEST_LO,
						0xFFFFFFFF, 0xFFFFFFFF },
	{ E1000_RA2,	   0, 16, TABLE64_TEST_HI,
						0xC3FFFFFF, 0xFFFFFFFF },
	{ E1000_MTA,	   0, 128, TABLE32_TEST,
						0xFFFFFFFF, 0xFFFFFFFF },
	{ 0, 0, 0, 0 }
};

966 967 968 969 970 971 972 973 974 975 976 977 978 979 980 981 982 983 984 985 986 987 988 989 990 991 992 993 994 995 996 997 998 999 1000 1001 1002 1003 1004 1005 1006 1007 1008
/* 82580 reg test */
static struct igb_reg_test reg_test_82580[] = {
	{ E1000_FCAL,	   0x100, 1,  PATTERN_TEST, 0xFFFFFFFF, 0xFFFFFFFF },
	{ E1000_FCAH,	   0x100, 1,  PATTERN_TEST, 0x0000FFFF, 0xFFFFFFFF },
	{ E1000_FCT,	   0x100, 1,  PATTERN_TEST, 0x0000FFFF, 0xFFFFFFFF },
	{ E1000_VET,	   0x100, 1,  PATTERN_TEST, 0xFFFFFFFF, 0xFFFFFFFF },
	{ E1000_RDBAL(0),  0x100, 4,  PATTERN_TEST, 0xFFFFFF80, 0xFFFFFFFF },
	{ E1000_RDBAH(0),  0x100, 4,  PATTERN_TEST, 0xFFFFFFFF, 0xFFFFFFFF },
	{ E1000_RDLEN(0),  0x100, 4,  PATTERN_TEST, 0x000FFFF0, 0x000FFFFF },
	{ E1000_RDBAL(4),  0x40,  4,  PATTERN_TEST, 0xFFFFFF80, 0xFFFFFFFF },
	{ E1000_RDBAH(4),  0x40,  4,  PATTERN_TEST, 0xFFFFFFFF, 0xFFFFFFFF },
	{ E1000_RDLEN(4),  0x40,  4,  PATTERN_TEST, 0x000FFFF0, 0x000FFFFF },
	/* RDH is read-only for 82580, only test RDT. */
	{ E1000_RDT(0),	   0x100, 4,  PATTERN_TEST, 0x0000FFFF, 0x0000FFFF },
	{ E1000_RDT(4),	   0x40,  4,  PATTERN_TEST, 0x0000FFFF, 0x0000FFFF },
	{ E1000_FCRTH,	   0x100, 1,  PATTERN_TEST, 0x0000FFF0, 0x0000FFF0 },
	{ E1000_FCTTV,	   0x100, 1,  PATTERN_TEST, 0x0000FFFF, 0x0000FFFF },
	{ E1000_TIPG,	   0x100, 1,  PATTERN_TEST, 0x3FFFFFFF, 0x3FFFFFFF },
	{ E1000_TDBAL(0),  0x100, 4,  PATTERN_TEST, 0xFFFFFF80, 0xFFFFFFFF },
	{ E1000_TDBAH(0),  0x100, 4,  PATTERN_TEST, 0xFFFFFFFF, 0xFFFFFFFF },
	{ E1000_TDLEN(0),  0x100, 4,  PATTERN_TEST, 0x000FFFF0, 0x000FFFFF },
	{ E1000_TDBAL(4),  0x40,  4,  PATTERN_TEST, 0xFFFFFF80, 0xFFFFFFFF },
	{ E1000_TDBAH(4),  0x40,  4,  PATTERN_TEST, 0xFFFFFFFF, 0xFFFFFFFF },
	{ E1000_TDLEN(4),  0x40,  4,  PATTERN_TEST, 0x000FFFF0, 0x000FFFFF },
	{ E1000_TDT(0),	   0x100, 4,  PATTERN_TEST, 0x0000FFFF, 0x0000FFFF },
	{ E1000_TDT(4),	   0x40,  4,  PATTERN_TEST, 0x0000FFFF, 0x0000FFFF },
	{ E1000_RCTL,	   0x100, 1,  SET_READ_TEST, 0xFFFFFFFF, 0x00000000 },
	{ E1000_RCTL, 	   0x100, 1,  SET_READ_TEST, 0x04CFB0FE, 0x003FFFFB },
	{ E1000_RCTL, 	   0x100, 1,  SET_READ_TEST, 0x04CFB0FE, 0xFFFFFFFF },
	{ E1000_TCTL,	   0x100, 1,  SET_READ_TEST, 0xFFFFFFFF, 0x00000000 },
	{ E1000_RA,	   0, 16, TABLE64_TEST_LO,
						0xFFFFFFFF, 0xFFFFFFFF },
	{ E1000_RA,	   0, 16, TABLE64_TEST_HI,
						0x83FFFFFF, 0xFFFFFFFF },
	{ E1000_RA2,	   0, 8, TABLE64_TEST_LO,
						0xFFFFFFFF, 0xFFFFFFFF },
	{ E1000_RA2,	   0, 8, TABLE64_TEST_HI,
						0x83FFFFFF, 0xFFFFFFFF },
	{ E1000_MTA,	   0, 128, TABLE32_TEST,
						0xFFFFFFFF, 0xFFFFFFFF },
	{ 0, 0, 0, 0 }
};

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/* 82576 reg test */
static struct igb_reg_test reg_test_82576[] = {
	{ E1000_FCAL,	   0x100, 1,  PATTERN_TEST, 0xFFFFFFFF, 0xFFFFFFFF },
	{ E1000_FCAH,	   0x100, 1,  PATTERN_TEST, 0x0000FFFF, 0xFFFFFFFF },
	{ E1000_FCT,	   0x100, 1,  PATTERN_TEST, 0x0000FFFF, 0xFFFFFFFF },
	{ E1000_VET,	   0x100, 1,  PATTERN_TEST, 0xFFFFFFFF, 0xFFFFFFFF },
	{ E1000_RDBAL(0),  0x100, 4, PATTERN_TEST, 0xFFFFFF80, 0xFFFFFFFF },
	{ E1000_RDBAH(0),  0x100, 4, PATTERN_TEST, 0xFFFFFFFF, 0xFFFFFFFF },
	{ E1000_RDLEN(0),  0x100, 4, PATTERN_TEST, 0x000FFFF0, 0x000FFFFF },
1018 1019 1020 1021 1022 1023
	{ E1000_RDBAL(4),  0x40, 12, PATTERN_TEST, 0xFFFFFF80, 0xFFFFFFFF },
	{ E1000_RDBAH(4),  0x40, 12, PATTERN_TEST, 0xFFFFFFFF, 0xFFFFFFFF },
	{ E1000_RDLEN(4),  0x40, 12, PATTERN_TEST, 0x000FFFF0, 0x000FFFFF },
	/* Enable all RX queues before testing. */
	{ E1000_RXDCTL(0), 0x100, 4,  WRITE_NO_TEST, 0, E1000_RXDCTL_QUEUE_ENABLE },
	{ E1000_RXDCTL(4), 0x40, 12,  WRITE_NO_TEST, 0, E1000_RXDCTL_QUEUE_ENABLE },
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	/* RDH is read-only for 82576, only test RDT. */
	{ E1000_RDT(0),	   0x100, 4,  PATTERN_TEST, 0x0000FFFF, 0x0000FFFF },
1026
	{ E1000_RDT(4),	   0x40, 12,  PATTERN_TEST, 0x0000FFFF, 0x0000FFFF },
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	{ E1000_RXDCTL(0), 0x100, 4,  WRITE_NO_TEST, 0, 0 },
1028
	{ E1000_RXDCTL(4), 0x40, 12,  WRITE_NO_TEST, 0, 0 },
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	{ E1000_FCRTH,	   0x100, 1,  PATTERN_TEST, 0x0000FFF0, 0x0000FFF0 },
	{ E1000_FCTTV,	   0x100, 1,  PATTERN_TEST, 0x0000FFFF, 0x0000FFFF },
	{ E1000_TIPG,	   0x100, 1,  PATTERN_TEST, 0x3FFFFFFF, 0x3FFFFFFF },
	{ E1000_TDBAL(0),  0x100, 4,  PATTERN_TEST, 0xFFFFFF80, 0xFFFFFFFF },
	{ E1000_TDBAH(0),  0x100, 4,  PATTERN_TEST, 0xFFFFFFFF, 0xFFFFFFFF },
	{ E1000_TDLEN(0),  0x100, 4,  PATTERN_TEST, 0x000FFFF0, 0x000FFFFF },
1035 1036 1037
	{ E1000_TDBAL(4),  0x40, 12,  PATTERN_TEST, 0xFFFFFF80, 0xFFFFFFFF },
	{ E1000_TDBAH(4),  0x40, 12,  PATTERN_TEST, 0xFFFFFFFF, 0xFFFFFFFF },
	{ E1000_TDLEN(4),  0x40, 12,  PATTERN_TEST, 0x000FFFF0, 0x000FFFFF },
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	{ E1000_RCTL,	   0x100, 1,  SET_READ_TEST, 0xFFFFFFFF, 0x00000000 },
	{ E1000_RCTL, 	   0x100, 1,  SET_READ_TEST, 0x04CFB0FE, 0x003FFFFB },
	{ E1000_RCTL, 	   0x100, 1,  SET_READ_TEST, 0x04CFB0FE, 0xFFFFFFFF },
	{ E1000_TCTL,	   0x100, 1,  SET_READ_TEST, 0xFFFFFFFF, 0x00000000 },
	{ E1000_RA,	   0, 16, TABLE64_TEST_LO, 0xFFFFFFFF, 0xFFFFFFFF },
	{ E1000_RA,	   0, 16, TABLE64_TEST_HI, 0x83FFFFFF, 0xFFFFFFFF },
	{ E1000_RA2,	   0, 8, TABLE64_TEST_LO, 0xFFFFFFFF, 0xFFFFFFFF },
	{ E1000_RA2,	   0, 8, TABLE64_TEST_HI, 0x83FFFFFF, 0xFFFFFFFF },
	{ E1000_MTA,	   0, 128,TABLE32_TEST, 0xFFFFFFFF, 0xFFFFFFFF },
	{ 0, 0, 0, 0 }
};

/* 82575 register test */
1051
static struct igb_reg_test reg_test_82575[] = {
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	{ E1000_FCAL,      0x100, 1, PATTERN_TEST, 0xFFFFFFFF, 0xFFFFFFFF },
	{ E1000_FCAH,      0x100, 1, PATTERN_TEST, 0x0000FFFF, 0xFFFFFFFF },
	{ E1000_FCT,       0x100, 1, PATTERN_TEST, 0x0000FFFF, 0xFFFFFFFF },
	{ E1000_VET,       0x100, 1, PATTERN_TEST, 0xFFFFFFFF, 0xFFFFFFFF },
	{ E1000_RDBAL(0),  0x100, 4, PATTERN_TEST, 0xFFFFFF80, 0xFFFFFFFF },
	{ E1000_RDBAH(0),  0x100, 4, PATTERN_TEST, 0xFFFFFFFF, 0xFFFFFFFF },
	{ E1000_RDLEN(0),  0x100, 4, PATTERN_TEST, 0x000FFF80, 0x000FFFFF },
1059
	/* Enable all four RX queues before testing. */
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	{ E1000_RXDCTL(0), 0x100, 4, WRITE_NO_TEST, 0, E1000_RXDCTL_QUEUE_ENABLE },
1061
	/* RDH is read-only for 82575, only test RDT. */
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	{ E1000_RDT(0),    0x100, 4, PATTERN_TEST, 0x0000FFFF, 0x0000FFFF },
	{ E1000_RXDCTL(0), 0x100, 4, WRITE_NO_TEST, 0, 0 },
	{ E1000_FCRTH,     0x100, 1, PATTERN_TEST, 0x0000FFF0, 0x0000FFF0 },
	{ E1000_FCTTV,     0x100, 1, PATTERN_TEST, 0x0000FFFF, 0x0000FFFF },
	{ E1000_TIPG,      0x100, 1, PATTERN_TEST, 0x3FFFFFFF, 0x3FFFFFFF },
	{ E1000_TDBAL(0),  0x100, 4, PATTERN_TEST, 0xFFFFFF80, 0xFFFFFFFF },
	{ E1000_TDBAH(0),  0x100, 4, PATTERN_TEST, 0xFFFFFFFF, 0xFFFFFFFF },
	{ E1000_TDLEN(0),  0x100, 4, PATTERN_TEST, 0x000FFF80, 0x000FFFFF },
	{ E1000_RCTL,      0x100, 1, SET_READ_TEST, 0xFFFFFFFF, 0x00000000 },
	{ E1000_RCTL,      0x100, 1, SET_READ_TEST, 0x04CFB3FE, 0x003FFFFB },
	{ E1000_RCTL,      0x100, 1, SET_READ_TEST, 0x04CFB3FE, 0xFFFFFFFF },
	{ E1000_TCTL,      0x100, 1, SET_READ_TEST, 0xFFFFFFFF, 0x00000000 },
	{ E1000_TXCW,      0x100, 1, PATTERN_TEST, 0xC000FFFF, 0x0000FFFF },
	{ E1000_RA,        0, 16, TABLE64_TEST_LO, 0xFFFFFFFF, 0xFFFFFFFF },
	{ E1000_RA,        0, 16, TABLE64_TEST_HI, 0x800FFFFF, 0xFFFFFFFF },
	{ E1000_MTA,       0, 128, TABLE32_TEST, 0xFFFFFFFF, 0xFFFFFFFF },
1078 1079 1080 1081 1082 1083
	{ 0, 0, 0, 0 }
};

static bool reg_pattern_test(struct igb_adapter *adapter, u64 *data,
			     int reg, u32 mask, u32 write)
{
1084
	struct e1000_hw *hw = &adapter->hw;
1085
	u32 pat, val;
1086
	static const u32 _test[] =
1087 1088
		{0x5A5A5A5A, 0xA5A5A5A5, 0x00000000, 0xFFFFFFFF};
	for (pat = 0; pat < ARRAY_SIZE(_test); pat++) {
1089
		wr32(reg, (_test[pat] & write));
1090
		val = rd32(reg) & mask;
1091
		if (val != (_test[pat] & write & mask)) {
1092 1093
			dev_err(&adapter->pdev->dev,
				"pattern test reg %04X failed: got 0x%08X expected 0x%08X\n",
1094 1095 1096 1097 1098
				reg, val, (_test[pat] & write & mask));
			*data = reg;
			return 1;
		}
	}
1099

1100 1101 1102 1103 1104 1105
	return 0;
}

static bool reg_set_and_check(struct igb_adapter *adapter, u64 *data,
			      int reg, u32 mask, u32 write)
{
1106
	struct e1000_hw *hw = &adapter->hw;
1107
	u32 val;
1108 1109
	wr32(reg, write & mask);
	val = rd32(reg);
1110
	if ((write & mask) != (val & mask)) {
1111 1112
		dev_err(&adapter->pdev->dev,
			"set/check reg %04X test failed: got 0x%08X expected 0x%08X\n", reg,
1113 1114 1115 1116
			(val & mask), (write & mask));
		*data = reg;
		return 1;
	}
1117

1118 1119 1120 1121 1122 1123 1124 1125 1126 1127 1128 1129 1130 1131 1132 1133 1134 1135 1136 1137 1138 1139
	return 0;
}

#define REG_PATTERN_TEST(reg, mask, write) \
	do { \
		if (reg_pattern_test(adapter, data, reg, mask, write)) \
			return 1; \
	} while (0)

#define REG_SET_AND_CHECK(reg, mask, write) \
	do { \
		if (reg_set_and_check(adapter, data, reg, mask, write)) \
			return 1; \
	} while (0)

static int igb_reg_test(struct igb_adapter *adapter, u64 *data)
{
	struct e1000_hw *hw = &adapter->hw;
	struct igb_reg_test *test;
	u32 value, before, after;
	u32 i, toggle;

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	switch (adapter->hw.mac.type) {
1141 1142 1143 1144
	case e1000_i350:
		test = reg_test_i350;
		toggle = 0x7FEFF3FF;
		break;
1145 1146 1147 1148 1149
	case e1000_i210:
	case e1000_i211:
		test = reg_test_i210;
		toggle = 0x7FEFF3FF;
		break;
1150 1151 1152 1153
	case e1000_82580:
		test = reg_test_82580;
		toggle = 0x7FEFF3FF;
		break;
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	case e1000_82576:
		test = reg_test_82576;
1156
		toggle = 0x7FFFF3FF;
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		break;
	default:
		test = reg_test_82575;
1160
		toggle = 0x7FFFF3FF;
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		break;
	}
1163 1164 1165 1166 1167 1168 1169 1170 1171 1172 1173

	/* Because the status register is such a special case,
	 * we handle it separately from the rest of the register
	 * tests.  Some bits are read-only, some toggle, and some
	 * are writable on newer MACs.
	 */
	before = rd32(E1000_STATUS);
	value = (rd32(E1000_STATUS) & toggle);
	wr32(E1000_STATUS, toggle);
	after = rd32(E1000_STATUS) & toggle;
	if (value != after) {
1174 1175 1176
		dev_err(&adapter->pdev->dev,
			"failed STATUS register test got: 0x%08X expected: 0x%08X\n",
			after, value);
1177 1178 1179 1180 1181 1182 1183 1184 1185 1186 1187 1188 1189
		*data = 1;
		return 1;
	}
	/* restore previous status */
	wr32(E1000_STATUS, before);

	/* Perform the remainder of the register test, looping through
	 * the test table until we either fail or reach the null entry.
	 */
	while (test->reg) {
		for (i = 0; i < test->array_len; i++) {
			switch (test->test_type) {
			case PATTERN_TEST:
1190 1191
				REG_PATTERN_TEST(test->reg +
						(i * test->reg_offset),
1192 1193 1194 1195
						test->mask,
						test->write);
				break;
			case SET_READ_TEST:
1196 1197
				REG_SET_AND_CHECK(test->reg +
						(i * test->reg_offset),
1198 1199 1200 1201 1202 1203
						test->mask,
						test->write);
				break;
			case WRITE_NO_TEST:
				writel(test->write,
				    (adapter->hw.hw_addr + test->reg)
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Alexander Duyck 已提交
1204
					+ (i * test->reg_offset));
1205 1206 1207 1208 1209 1210 1211 1212 1213 1214 1215 1216 1217 1218 1219 1220 1221 1222 1223 1224 1225 1226 1227 1228 1229 1230 1231 1232 1233
				break;
			case TABLE32_TEST:
				REG_PATTERN_TEST(test->reg + (i * 4),
						test->mask,
						test->write);
				break;
			case TABLE64_TEST_LO:
				REG_PATTERN_TEST(test->reg + (i * 8),
						test->mask,
						test->write);
				break;
			case TABLE64_TEST_HI:
				REG_PATTERN_TEST((test->reg + 4) + (i * 8),
						test->mask,
						test->write);
				break;
			}
		}
		test++;
	}

	*data = 0;
	return 0;
}

static int igb_eeprom_test(struct igb_adapter *adapter, u64 *data)
{
	*data = 0;

1234 1235 1236 1237 1238
	/* Validate eeprom on all parts but i211 */
	if (adapter->hw.mac.type != e1000_i211) {
		if (adapter->hw.nvm.ops.validate(&adapter->hw) < 0)
			*data = 2;
	}
1239 1240 1241 1242 1243 1244

	return *data;
}

static irqreturn_t igb_test_intr(int irq, void *data)
{
1245
	struct igb_adapter *adapter = (struct igb_adapter *) data;
1246 1247 1248 1249 1250 1251 1252 1253 1254 1255 1256
	struct e1000_hw *hw = &adapter->hw;

	adapter->test_icr |= rd32(E1000_ICR);

	return IRQ_HANDLED;
}

static int igb_intr_test(struct igb_adapter *adapter, u64 *data)
{
	struct e1000_hw *hw = &adapter->hw;
	struct net_device *netdev = adapter->netdev;
1257
	u32 mask, ics_mask, i = 0, shared_int = true;
1258 1259 1260 1261 1262
	u32 irq = adapter->pdev->irq;

	*data = 0;

	/* Hook up test interrupt handler just for this test */
1263 1264
	if (adapter->msix_entries) {
		if (request_irq(adapter->msix_entries[0].vector,
1265
		                igb_test_intr, 0, netdev->name, adapter)) {
1266 1267 1268 1269
			*data = 1;
			return -1;
		}
	} else if (adapter->flags & IGB_FLAG_HAS_MSI) {
1270
		shared_int = false;
1271
		if (request_irq(irq,
1272
		                igb_test_intr, 0, netdev->name, adapter)) {
1273 1274 1275
			*data = 1;
			return -1;
		}
1276
	} else if (!request_irq(irq, igb_test_intr, IRQF_PROBE_SHARED,
1277
				netdev->name, adapter)) {
1278
		shared_int = false;
1279
	} else if (request_irq(irq, igb_test_intr, IRQF_SHARED,
1280
		 netdev->name, adapter)) {
1281 1282 1283 1284 1285
		*data = 1;
		return -1;
	}
	dev_info(&adapter->pdev->dev, "testing %s interrupt\n",
		(shared_int ? "shared" : "unshared"));
1286

1287
	/* Disable all the interrupts */
1288
	wr32(E1000_IMC, ~0);
1289
	wrfl();
1290 1291
	msleep(10);

1292
	/* Define all writable bits for ICS */
1293
	switch (hw->mac.type) {
1294 1295 1296 1297 1298 1299
	case e1000_82575:
		ics_mask = 0x37F47EDD;
		break;
	case e1000_82576:
		ics_mask = 0x77D4FBFD;
		break;
1300 1301 1302
	case e1000_82580:
		ics_mask = 0x77DCFED5;
		break;
1303
	case e1000_i350:
1304 1305
	case e1000_i210:
	case e1000_i211:
1306 1307
		ics_mask = 0x77DCFED5;
		break;
1308 1309 1310 1311 1312
	default:
		ics_mask = 0x7FFFFFFF;
		break;
	}

1313
	/* Test each interrupt */
1314
	for (; i < 31; i++) {
1315 1316 1317
		/* Interrupt to test */
		mask = 1 << i;

1318 1319 1320
		if (!(mask & ics_mask))
			continue;

1321 1322 1323 1324 1325 1326 1327 1328
		if (!shared_int) {
			/* 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;
1329 1330 1331 1332 1333 1334

			/* Flush any pending interrupts */
			wr32(E1000_ICR, ~0);

			wr32(E1000_IMC, mask);
			wr32(E1000_ICS, mask);
1335
			wrfl();
1336 1337 1338 1339 1340 1341 1342 1343 1344 1345 1346 1347 1348 1349 1350
			msleep(10);

			if (adapter->test_icr & mask) {
				*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;
1351 1352 1353 1354

		/* Flush any pending interrupts */
		wr32(E1000_ICR, ~0);

1355 1356
		wr32(E1000_IMS, mask);
		wr32(E1000_ICS, mask);
1357
		wrfl();
1358 1359 1360 1361 1362 1363 1364 1365 1366 1367 1368 1369 1370 1371 1372
		msleep(10);

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

		if (!shared_int) {
			/* 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;
1373 1374 1375 1376 1377 1378

			/* Flush any pending interrupts */
			wr32(E1000_ICR, ~0);

			wr32(E1000_IMC, ~mask);
			wr32(E1000_ICS, ~mask);
1379
			wrfl();
1380 1381
			msleep(10);

1382
			if (adapter->test_icr & mask) {
1383 1384 1385 1386 1387 1388 1389
				*data = 5;
				break;
			}
		}
	}

	/* Disable all the interrupts */
1390
	wr32(E1000_IMC, ~0);
1391
	wrfl();
1392 1393 1394
	msleep(10);

	/* Unhook test interrupt handler */
1395 1396 1397 1398
	if (adapter->msix_entries)
		free_irq(adapter->msix_entries[0].vector, adapter);
	else
		free_irq(irq, adapter);
1399 1400 1401 1402 1403 1404

	return *data;
}

static void igb_free_desc_rings(struct igb_adapter *adapter)
{
1405 1406
	igb_free_tx_resources(&adapter->test_tx_ring);
	igb_free_rx_resources(&adapter->test_rx_ring);
1407 1408 1409 1410 1411 1412
}

static int igb_setup_desc_rings(struct igb_adapter *adapter)
{
	struct igb_ring *tx_ring = &adapter->test_tx_ring;
	struct igb_ring *rx_ring = &adapter->test_rx_ring;
1413
	struct e1000_hw *hw = &adapter->hw;
1414
	int ret_val;
1415 1416

	/* Setup Tx descriptor ring and Tx buffers */
1417
	tx_ring->count = IGB_DEFAULT_TXD;
1418
	tx_ring->dev = &adapter->pdev->dev;
1419 1420
	tx_ring->netdev = adapter->netdev;
	tx_ring->reg_idx = adapter->vfs_allocated_count;
1421

1422
	if (igb_setup_tx_resources(tx_ring)) {
1423 1424 1425 1426
		ret_val = 1;
		goto err_nomem;
	}

1427 1428
	igb_setup_tctl(adapter);
	igb_configure_tx_ring(adapter, tx_ring);
1429 1430

	/* Setup Rx descriptor ring and Rx buffers */
1431
	rx_ring->count = IGB_DEFAULT_RXD;
1432
	rx_ring->dev = &adapter->pdev->dev;
1433 1434 1435 1436 1437
	rx_ring->netdev = adapter->netdev;
	rx_ring->reg_idx = adapter->vfs_allocated_count;

	if (igb_setup_rx_resources(rx_ring)) {
		ret_val = 3;
1438 1439 1440
		goto err_nomem;
	}

1441 1442
	/* set the default queue to queue 0 of PF */
	wr32(E1000_MRQC, adapter->vfs_allocated_count << 3);
1443

1444 1445 1446
	/* enable receive ring */
	igb_setup_rctl(adapter);
	igb_configure_rx_ring(adapter, rx_ring);
1447

1448
	igb_alloc_rx_buffers(rx_ring, igb_desc_unused(rx_ring));
1449 1450 1451 1452 1453 1454 1455 1456 1457 1458 1459 1460 1461

	return 0;

err_nomem:
	igb_free_desc_rings(adapter);
	return ret_val;
}

static void igb_phy_disable_receiver(struct igb_adapter *adapter)
{
	struct e1000_hw *hw = &adapter->hw;

	/* Write out to PHY registers 29 and 30 to disable the Receiver. */
1462 1463 1464 1465
	igb_write_phy_reg(hw, 29, 0x001F);
	igb_write_phy_reg(hw, 30, 0x8FFC);
	igb_write_phy_reg(hw, 29, 0x001A);
	igb_write_phy_reg(hw, 30, 0x8FF0);
1466 1467 1468 1469 1470 1471
}

static int igb_integrated_phy_loopback(struct igb_adapter *adapter)
{
	struct e1000_hw *hw = &adapter->hw;
	u32 ctrl_reg = 0;
1472
	u16 phy_reg = 0;
1473 1474 1475

	hw->mac.autoneg = false;

1476 1477
	switch (hw->phy.type) {
	case e1000_phy_m88:
1478
		/* Auto-MDI/MDIX Off */
1479
		igb_write_phy_reg(hw, M88E1000_PHY_SPEC_CTRL, 0x0808);
1480
		/* reset to update Auto-MDI/MDIX */
1481
		igb_write_phy_reg(hw, PHY_CONTROL, 0x9140);
1482
		/* autoneg off */
1483
		igb_write_phy_reg(hw, PHY_CONTROL, 0x8140);
1484 1485
		break;
	case e1000_phy_82580:
1486 1487
		/* enable MII loopback */
		igb_write_phy_reg(hw, I82580_PHY_LBK_CTRL, 0x8041);
1488 1489 1490 1491 1492 1493 1494 1495 1496 1497 1498
		break;
	case e1000_phy_i210:
		/* set loopback speed in PHY */
		igb_read_phy_reg(hw, (GS40G_PAGE_SELECT & GS40G_PAGE_2),
					&phy_reg);
		phy_reg |= GS40G_MAC_SPEED_1G;
		igb_write_phy_reg(hw, (GS40G_PAGE_SELECT & GS40G_PAGE_2),
					phy_reg);
		ctrl_reg = rd32(E1000_CTRL_EXT);
	default:
		break;
1499 1500
	}

1501 1502 1503
	/* add small delay to avoid loopback test failure */
	msleep(50);

1504
	/* force 1000, set loopback */
1505
	igb_write_phy_reg(hw, PHY_CONTROL, 0x4140);
1506 1507 1508 1509 1510 1511 1512

	/* Now set up the MAC to the same speed/duplex as the PHY. */
	ctrl_reg = rd32(E1000_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 */
A
Alexander Duyck 已提交
1513 1514
		     E1000_CTRL_FD |	 /* Force Duplex to FULL */
		     E1000_CTRL_SLU);	 /* Set link up enable bit */
1515

1516
	if ((hw->phy.type == e1000_phy_m88) || (hw->phy.type == e1000_phy_i210))
1517 1518 1519 1520 1521 1522 1523
		ctrl_reg |= E1000_CTRL_ILOS; /* Invert Loss of Signal */

	wr32(E1000_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.
	 */
1524
	if ((hw->phy.type == e1000_phy_m88) || (hw->phy.type == e1000_phy_i210))
1525 1526 1527 1528 1529 1530 1531 1532 1533 1534 1535 1536 1537 1538 1539
		igb_phy_disable_receiver(adapter);

	udelay(500);

	return 0;
}

static int igb_set_phy_loopback(struct igb_adapter *adapter)
{
	return igb_integrated_phy_loopback(adapter);
}

static int igb_setup_loopback_test(struct igb_adapter *adapter)
{
	struct e1000_hw *hw = &adapter->hw;
A
Alexander Duyck 已提交
1540
	u32 reg;
1541

1542 1543 1544 1545
	reg = rd32(E1000_CTRL_EXT);

	/* use CTRL_EXT to identify link type as SGMII can appear as copper */
	if (reg & E1000_CTRL_EXT_LINK_MODE_MASK) {
1546 1547 1548 1549 1550 1551 1552 1553 1554 1555 1556 1557 1558 1559 1560 1561
		if ((hw->device_id == E1000_DEV_ID_DH89XXCC_SGMII) ||
		(hw->device_id == E1000_DEV_ID_DH89XXCC_SERDES) ||
		(hw->device_id == E1000_DEV_ID_DH89XXCC_BACKPLANE) ||
		(hw->device_id == E1000_DEV_ID_DH89XXCC_SFP)) {

			/* Enable DH89xxCC MPHY for near end loopback */
			reg = rd32(E1000_MPHY_ADDR_CTL);
			reg = (reg & E1000_MPHY_ADDR_CTL_OFFSET_MASK) |
			E1000_MPHY_PCS_CLK_REG_OFFSET;
			wr32(E1000_MPHY_ADDR_CTL, reg);

			reg = rd32(E1000_MPHY_DATA);
			reg |= E1000_MPHY_PCS_CLK_REG_DIGINELBEN;
			wr32(E1000_MPHY_DATA, reg);
		}

A
Alexander Duyck 已提交
1562 1563 1564 1565 1566 1567 1568 1569 1570 1571 1572
		reg = rd32(E1000_RCTL);
		reg |= E1000_RCTL_LBM_TCVR;
		wr32(E1000_RCTL, reg);

		wr32(E1000_SCTL, E1000_ENABLE_SERDES_LOOPBACK);

		reg = rd32(E1000_CTRL);
		reg &= ~(E1000_CTRL_RFCE |
			 E1000_CTRL_TFCE |
			 E1000_CTRL_LRST);
		reg |= E1000_CTRL_SLU |
1573
		       E1000_CTRL_FD;
A
Alexander Duyck 已提交
1574 1575 1576 1577 1578 1579 1580 1581 1582 1583 1584 1585 1586 1587 1588 1589 1590
		wr32(E1000_CTRL, reg);

		/* Unset switch control to serdes energy detect */
		reg = rd32(E1000_CONNSW);
		reg &= ~E1000_CONNSW_ENRGSRC;
		wr32(E1000_CONNSW, reg);

		/* Set PCS register for forced speed */
		reg = rd32(E1000_PCS_LCTL);
		reg &= ~E1000_PCS_LCTL_AN_ENABLE;     /* Disable Autoneg*/
		reg |= E1000_PCS_LCTL_FLV_LINK_UP |   /* Force link up */
		       E1000_PCS_LCTL_FSV_1000 |      /* Force 1000    */
		       E1000_PCS_LCTL_FDV_FULL |      /* SerDes Full duplex */
		       E1000_PCS_LCTL_FSD |           /* Force Speed */
		       E1000_PCS_LCTL_FORCE_LINK;     /* Force Link */
		wr32(E1000_PCS_LCTL, reg);

1591 1592 1593
		return 0;
	}

1594
	return igb_set_phy_loopback(adapter);
1595 1596 1597 1598 1599 1600 1601 1602
}

static void igb_loopback_cleanup(struct igb_adapter *adapter)
{
	struct e1000_hw *hw = &adapter->hw;
	u32 rctl;
	u16 phy_reg;

1603 1604 1605 1606 1607 1608 1609 1610 1611 1612 1613 1614 1615 1616 1617 1618 1619
	if ((hw->device_id == E1000_DEV_ID_DH89XXCC_SGMII) ||
	(hw->device_id == E1000_DEV_ID_DH89XXCC_SERDES) ||
	(hw->device_id == E1000_DEV_ID_DH89XXCC_BACKPLANE) ||
	(hw->device_id == E1000_DEV_ID_DH89XXCC_SFP)) {
		u32 reg;

		/* Disable near end loopback on DH89xxCC */
		reg = rd32(E1000_MPHY_ADDR_CTL);
		reg = (reg & E1000_MPHY_ADDR_CTL_OFFSET_MASK) |
		E1000_MPHY_PCS_CLK_REG_OFFSET;
		wr32(E1000_MPHY_ADDR_CTL, reg);

		reg = rd32(E1000_MPHY_DATA);
		reg &= ~E1000_MPHY_PCS_CLK_REG_DIGINELBEN;
		wr32(E1000_MPHY_DATA, reg);
	}

1620 1621 1622 1623 1624
	rctl = rd32(E1000_RCTL);
	rctl &= ~(E1000_RCTL_LBM_TCVR | E1000_RCTL_LBM_MAC);
	wr32(E1000_RCTL, rctl);

	hw->mac.autoneg = true;
1625
	igb_read_phy_reg(hw, PHY_CONTROL, &phy_reg);
1626 1627
	if (phy_reg & MII_CR_LOOPBACK) {
		phy_reg &= ~MII_CR_LOOPBACK;
1628
		igb_write_phy_reg(hw, PHY_CONTROL, phy_reg);
1629 1630 1631 1632 1633 1634 1635 1636
		igb_phy_sw_reset(hw);
	}
}

static void igb_create_lbtest_frame(struct sk_buff *skb,
				    unsigned int frame_size)
{
	memset(skb->data, 0xFF, frame_size);
1637 1638 1639 1640
	frame_size /= 2;
	memset(&skb->data[frame_size], 0xAA, frame_size - 1);
	memset(&skb->data[frame_size + 10], 0xBE, 1);
	memset(&skb->data[frame_size + 12], 0xAF, 1);
1641 1642 1643 1644
}

static int igb_check_lbtest_frame(struct sk_buff *skb, unsigned int frame_size)
{
1645 1646 1647 1648
	frame_size /= 2;
	if (*(skb->data + 3) == 0xFF) {
		if ((*(skb->data + frame_size + 10) == 0xBE) &&
		   (*(skb->data + frame_size + 12) == 0xAF)) {
1649
			return 0;
1650 1651
		}
	}
1652 1653 1654
	return 13;
}

1655 1656 1657 1658 1659
static int igb_clean_test_rings(struct igb_ring *rx_ring,
                                struct igb_ring *tx_ring,
                                unsigned int size)
{
	union e1000_adv_rx_desc *rx_desc;
1660 1661
	struct igb_rx_buffer *rx_buffer_info;
	struct igb_tx_buffer *tx_buffer_info;
J
Jeff Kirsher 已提交
1662
	struct netdev_queue *txq;
1663
	u16 rx_ntc, tx_ntc, count = 0;
J
Jeff Kirsher 已提交
1664
	unsigned int total_bytes = 0, total_packets = 0;
1665 1666 1667 1668

	/* initialize next to clean and descriptor values */
	rx_ntc = rx_ring->next_to_clean;
	tx_ntc = tx_ring->next_to_clean;
1669
	rx_desc = IGB_RX_DESC(rx_ring, rx_ntc);
1670

1671
	while (igb_test_staterr(rx_desc, E1000_RXD_STAT_DD)) {
1672
		/* check rx buffer */
1673
		rx_buffer_info = &rx_ring->rx_buffer_info[rx_ntc];
1674 1675

		/* unmap rx buffer, will be remapped by alloc_rx_buffers */
1676
		dma_unmap_single(rx_ring->dev,
1677
				 rx_buffer_info->dma,
1678
				 IGB_RX_HDR_LEN,
1679
				 DMA_FROM_DEVICE);
1680
		rx_buffer_info->dma = 0;
1681 1682

		/* verify contents of skb */
1683
		if (!igb_check_lbtest_frame(rx_buffer_info->skb, size))
1684 1685 1686
			count++;

		/* unmap buffer on tx side */
1687
		tx_buffer_info = &tx_ring->tx_buffer_info[tx_ntc];
J
Jeff Kirsher 已提交
1688 1689
		total_bytes += tx_buffer_info->bytecount;
		total_packets += tx_buffer_info->gso_segs;
1690
		igb_unmap_and_free_tx_resource(tx_ring, tx_buffer_info);
1691 1692 1693 1694 1695 1696 1697 1698 1699 1700

		/* increment rx/tx next to clean counters */
		rx_ntc++;
		if (rx_ntc == rx_ring->count)
			rx_ntc = 0;
		tx_ntc++;
		if (tx_ntc == tx_ring->count)
			tx_ntc = 0;

		/* fetch next descriptor */
1701
		rx_desc = IGB_RX_DESC(rx_ring, rx_ntc);
1702 1703
	}

J
Jeff Kirsher 已提交
1704 1705 1706
	txq = netdev_get_tx_queue(tx_ring->netdev, tx_ring->queue_index);
	netdev_tx_completed_queue(txq, total_packets, total_bytes);

1707
	/* re-map buffers to ring, store next to clean values */
1708
	igb_alloc_rx_buffers(rx_ring, count);
1709 1710 1711 1712 1713 1714
	rx_ring->next_to_clean = rx_ntc;
	tx_ring->next_to_clean = tx_ntc;

	return count;
}

1715 1716 1717 1718
static int igb_run_loopback_test(struct igb_adapter *adapter)
{
	struct igb_ring *tx_ring = &adapter->test_tx_ring;
	struct igb_ring *rx_ring = &adapter->test_rx_ring;
1719 1720
	u16 i, j, lc, good_cnt;
	int ret_val = 0;
1721
	unsigned int size = IGB_RX_HDR_LEN;
1722 1723 1724 1725 1726 1727 1728
	netdev_tx_t tx_ret_val;
	struct sk_buff *skb;

	/* allocate test skb */
	skb = alloc_skb(size, GFP_KERNEL);
	if (!skb)
		return 11;
1729

1730 1731 1732
	/* place data into test skb */
	igb_create_lbtest_frame(skb, size);
	skb_put(skb, size);
1733

1734 1735
	/*
	 * Calculate the loop count based on the largest descriptor ring
1736 1737 1738 1739 1740 1741 1742 1743 1744 1745
	 * The idea is to wrap the largest ring a number of times using 64
	 * send/receive pairs during each loop
	 */

	if (rx_ring->count <= tx_ring->count)
		lc = ((tx_ring->count / 64) * 2) + 1;
	else
		lc = ((rx_ring->count / 64) * 2) + 1;

	for (j = 0; j <= lc; j++) { /* loop count loop */
1746
		/* reset count of good packets */
1747
		good_cnt = 0;
1748 1749 1750 1751

		/* place 64 packets on the transmit queue*/
		for (i = 0; i < 64; i++) {
			skb_get(skb);
1752
			tx_ret_val = igb_xmit_frame_ring(skb, tx_ring);
1753
			if (tx_ret_val == NETDEV_TX_OK)
1754
				good_cnt++;
1755 1756
		}

1757
		if (good_cnt != 64) {
1758
			ret_val = 12;
1759 1760
			break;
		}
1761 1762 1763 1764 1765 1766 1767

		/* allow 200 milliseconds for packets to go from tx to rx */
		msleep(200);

		good_cnt = igb_clean_test_rings(rx_ring, tx_ring, size);
		if (good_cnt != 64) {
			ret_val = 13;
1768 1769 1770
			break;
		}
	} /* end loop count loop */
1771 1772 1773 1774

	/* free the original skb */
	kfree_skb(skb);

1775 1776 1777 1778 1779 1780 1781 1782 1783
	return ret_val;
}

static int igb_loopback_test(struct igb_adapter *adapter, u64 *data)
{
	/* PHY loopback cannot be performed if SoL/IDER
	 * sessions are active */
	if (igb_check_reset_block(&adapter->hw)) {
		dev_err(&adapter->pdev->dev,
1784
			"Cannot do PHY loopback test when SoL/IDER is active.\n");
1785 1786 1787 1788
		*data = 0;
		goto out;
	}
	if ((adapter->hw.mac.type == e1000_i210)
1789
		|| (adapter->hw.mac.type == e1000_i211)) {
1790
		dev_err(&adapter->pdev->dev,
1791
			"Loopback test not supported on this part at this time.\n");
1792 1793 1794 1795 1796 1797 1798 1799 1800 1801 1802 1803 1804 1805 1806 1807 1808 1809 1810 1811 1812 1813 1814 1815 1816 1817 1818 1819 1820 1821 1822 1823 1824 1825 1826 1827 1828 1829 1830 1831 1832
		*data = 0;
		goto out;
	}
	*data = igb_setup_desc_rings(adapter);
	if (*data)
		goto out;
	*data = igb_setup_loopback_test(adapter);
	if (*data)
		goto err_loopback;
	*data = igb_run_loopback_test(adapter);
	igb_loopback_cleanup(adapter);

err_loopback:
	igb_free_desc_rings(adapter);
out:
	return *data;
}

static int igb_link_test(struct igb_adapter *adapter, u64 *data)
{
	struct e1000_hw *hw = &adapter->hw;
	*data = 0;
	if (hw->phy.media_type == e1000_media_type_internal_serdes) {
		int i = 0;
		hw->mac.serdes_has_link = false;

		/* On some blade server designs, link establishment
		 * could take as long as 2-3 minutes */
		do {
			hw->mac.ops.check_for_link(&adapter->hw);
			if (hw->mac.serdes_has_link)
				return *data;
			msleep(20);
		} while (i++ < 3750);

		*data = 1;
	} else {
		hw->mac.ops.check_for_link(&adapter->hw);
		if (hw->mac.autoneg)
			msleep(4000);

1833
		if (!(rd32(E1000_STATUS) & E1000_STATUS_LU))
1834 1835 1836 1837 1838 1839 1840 1841 1842 1843 1844 1845 1846 1847 1848 1849 1850 1851 1852 1853 1854 1855 1856 1857
			*data = 1;
	}
	return *data;
}

static void igb_diag_test(struct net_device *netdev,
			  struct ethtool_test *eth_test, u64 *data)
{
	struct igb_adapter *adapter = netdev_priv(netdev);
	u16 autoneg_advertised;
	u8 forced_speed_duplex, autoneg;
	bool if_running = netif_running(netdev);

	set_bit(__IGB_TESTING, &adapter->state);
	if (eth_test->flags == ETH_TEST_FL_OFFLINE) {
		/* Offline tests */

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

		dev_info(&adapter->pdev->dev, "offline testing starting\n");

1858 1859 1860
		/* power up link for link test */
		igb_power_up_link(adapter);

1861 1862 1863 1864 1865 1866 1867 1868 1869 1870 1871 1872 1873 1874 1875 1876 1877 1878 1879 1880 1881 1882 1883
		/* Link test performed before hardware reset so autoneg doesn't
		 * interfere with test result */
		if (igb_link_test(adapter, &data[4]))
			eth_test->flags |= ETH_TEST_FL_FAILED;

		if (if_running)
			/* indicate we're in test mode */
			dev_close(netdev);
		else
			igb_reset(adapter);

		if (igb_reg_test(adapter, &data[0]))
			eth_test->flags |= ETH_TEST_FL_FAILED;

		igb_reset(adapter);
		if (igb_eeprom_test(adapter, &data[1]))
			eth_test->flags |= ETH_TEST_FL_FAILED;

		igb_reset(adapter);
		if (igb_intr_test(adapter, &data[2]))
			eth_test->flags |= ETH_TEST_FL_FAILED;

		igb_reset(adapter);
1884 1885
		/* power up link for loopback test */
		igb_power_up_link(adapter);
1886 1887 1888 1889 1890 1891 1892 1893 1894 1895 1896 1897 1898 1899 1900 1901 1902 1903
		if (igb_loopback_test(adapter, &data[3]))
			eth_test->flags |= ETH_TEST_FL_FAILED;

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

		/* force this routine to wait until autoneg complete/timeout */
		adapter->hw.phy.autoneg_wait_to_complete = true;
		igb_reset(adapter);
		adapter->hw.phy.autoneg_wait_to_complete = false;

		clear_bit(__IGB_TESTING, &adapter->state);
		if (if_running)
			dev_open(netdev);
	} else {
		dev_info(&adapter->pdev->dev, "online testing starting\n");
1904 1905

		/* PHY is powered down when interface is down */
1906 1907 1908
		if (if_running && igb_link_test(adapter, &data[4]))
			eth_test->flags |= ETH_TEST_FL_FAILED;
		else
1909
			data[4] = 0;
1910 1911 1912 1913 1914 1915 1916 1917 1918 1919 1920 1921 1922 1923 1924 1925 1926 1927 1928 1929 1930 1931 1932 1933

		/* Online tests aren't run; pass by default */
		data[0] = 0;
		data[1] = 0;
		data[2] = 0;
		data[3] = 0;

		clear_bit(__IGB_TESTING, &adapter->state);
	}
	msleep_interruptible(4 * 1000);
}

static int igb_wol_exclusion(struct igb_adapter *adapter,
			     struct ethtool_wolinfo *wol)
{
	struct e1000_hw *hw = &adapter->hw;
	int retval = 1; /* fail by default */

	switch (hw->device_id) {
	case E1000_DEV_ID_82575GB_QUAD_COPPER:
		/* WoL not supported */
		wol->supported = 0;
		break;
	case E1000_DEV_ID_82575EB_FIBER_SERDES:
A
Alexander Duyck 已提交
1934 1935
	case E1000_DEV_ID_82576_FIBER:
	case E1000_DEV_ID_82576_SERDES:
1936 1937 1938 1939 1940
		/* Wake events not supported on port B */
		if (rd32(E1000_STATUS) & E1000_STATUS_FUNC_1) {
			wol->supported = 0;
			break;
		}
1941 1942 1943
		/* return success for non excluded adapter ports */
		retval = 0;
		break;
1944
	case E1000_DEV_ID_82576_QUAD_COPPER:
1945
	case E1000_DEV_ID_82576_QUAD_COPPER_ET2:
1946 1947 1948 1949 1950 1951 1952 1953
		/* quad port adapters only support WoL on port A */
		if (!(adapter->flags & IGB_FLAG_QUAD_PORT_A)) {
			wol->supported = 0;
			break;
		}
		/* return success for non excluded adapter ports */
		retval = 0;
		break;
1954 1955 1956 1957
	default:
		/* dual port cards only support WoL on port A from now on
		 * unless it was enabled in the eeprom for port B
		 * so exclude FUNC_1 ports from having WoL enabled */
1958
		if ((rd32(E1000_STATUS) & E1000_STATUS_FUNC_MASK) &&
1959 1960 1961 1962 1963 1964 1965 1966 1967 1968 1969 1970 1971 1972 1973 1974
		    !adapter->eeprom_wol) {
			wol->supported = 0;
			break;
		}

		retval = 0;
	}

	return retval;
}

static void igb_get_wol(struct net_device *netdev, struct ethtool_wolinfo *wol)
{
	struct igb_adapter *adapter = netdev_priv(netdev);

	wol->supported = WAKE_UCAST | WAKE_MCAST |
N
Nick Nunley 已提交
1975 1976
	                 WAKE_BCAST | WAKE_MAGIC |
	                 WAKE_PHY;
1977 1978 1979 1980
	wol->wolopts = 0;

	/* this function will set ->supported = 0 and return 1 if wol is not
	 * supported by this hardware */
1981 1982
	if (igb_wol_exclusion(adapter, wol) ||
	    !device_can_wakeup(&adapter->pdev->dev))
1983 1984 1985 1986 1987 1988 1989 1990 1991 1992 1993 1994 1995 1996 1997 1998
		return;

	/* apply any specific unsupported masks here */
	switch (adapter->hw.device_id) {
	default:
		break;
	}

	if (adapter->wol & E1000_WUFC_EX)
		wol->wolopts |= WAKE_UCAST;
	if (adapter->wol & E1000_WUFC_MC)
		wol->wolopts |= WAKE_MCAST;
	if (adapter->wol & E1000_WUFC_BC)
		wol->wolopts |= WAKE_BCAST;
	if (adapter->wol & E1000_WUFC_MAG)
		wol->wolopts |= WAKE_MAGIC;
N
Nick Nunley 已提交
1999 2000
	if (adapter->wol & E1000_WUFC_LNKC)
		wol->wolopts |= WAKE_PHY;
2001 2002 2003 2004 2005 2006
}

static int igb_set_wol(struct net_device *netdev, struct ethtool_wolinfo *wol)
{
	struct igb_adapter *adapter = netdev_priv(netdev);

N
Nick Nunley 已提交
2007
	if (wol->wolopts & (WAKE_ARP | WAKE_MAGICSECURE))
2008 2009
		return -EOPNOTSUPP;

2010 2011
	if (igb_wol_exclusion(adapter, wol) ||
	    !device_can_wakeup(&adapter->pdev->dev))
2012 2013 2014 2015 2016 2017 2018 2019 2020 2021 2022 2023 2024
		return wol->wolopts ? -EOPNOTSUPP : 0;

	/* these settings will always override what we currently have */
	adapter->wol = 0;

	if (wol->wolopts & WAKE_UCAST)
		adapter->wol |= E1000_WUFC_EX;
	if (wol->wolopts & WAKE_MCAST)
		adapter->wol |= E1000_WUFC_MC;
	if (wol->wolopts & WAKE_BCAST)
		adapter->wol |= E1000_WUFC_BC;
	if (wol->wolopts & WAKE_MAGIC)
		adapter->wol |= E1000_WUFC_MAG;
N
Nick Nunley 已提交
2025 2026
	if (wol->wolopts & WAKE_PHY)
		adapter->wol |= E1000_WUFC_LNKC;
2027 2028
	device_set_wakeup_enable(&adapter->pdev->dev, adapter->wol);

2029 2030 2031 2032 2033 2034
	return 0;
}

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

2035 2036
static int igb_set_phys_id(struct net_device *netdev,
			   enum ethtool_phys_id_state state)
2037 2038 2039 2040
{
	struct igb_adapter *adapter = netdev_priv(netdev);
	struct e1000_hw *hw = &adapter->hw;

2041 2042 2043 2044 2045 2046 2047 2048 2049 2050 2051 2052 2053 2054 2055 2056
	switch (state) {
	case ETHTOOL_ID_ACTIVE:
		igb_blink_led(hw);
		return 2;
	case ETHTOOL_ID_ON:
		igb_blink_led(hw);
		break;
	case ETHTOOL_ID_OFF:
		igb_led_off(hw);
		break;
	case ETHTOOL_ID_INACTIVE:
		igb_led_off(hw);
		clear_bit(IGB_LED_ON, &adapter->led_status);
		igb_cleanup_led(hw);
		break;
	}
2057 2058 2059 2060 2061 2062 2063 2064

	return 0;
}

static int igb_set_coalesce(struct net_device *netdev,
			    struct ethtool_coalesce *ec)
{
	struct igb_adapter *adapter = netdev_priv(netdev);
2065
	int i;
2066 2067 2068 2069 2070 2071 2072

	if ((ec->rx_coalesce_usecs > IGB_MAX_ITR_USECS) ||
	    ((ec->rx_coalesce_usecs > 3) &&
	     (ec->rx_coalesce_usecs < IGB_MIN_ITR_USECS)) ||
	    (ec->rx_coalesce_usecs == 2))
		return -EINVAL;

2073 2074 2075 2076 2077 2078 2079 2080 2081
	if ((ec->tx_coalesce_usecs > IGB_MAX_ITR_USECS) ||
	    ((ec->tx_coalesce_usecs > 3) &&
	     (ec->tx_coalesce_usecs < IGB_MIN_ITR_USECS)) ||
	    (ec->tx_coalesce_usecs == 2))
		return -EINVAL;

	if ((adapter->flags & IGB_FLAG_QUEUE_PAIRS) && ec->tx_coalesce_usecs)
		return -EINVAL;

2082 2083 2084 2085 2086 2087
	/* If ITR is disabled, disable DMAC */
	if (ec->rx_coalesce_usecs == 0) {
		if (adapter->flags & IGB_FLAG_DMAC)
			adapter->flags &= ~IGB_FLAG_DMAC;
	}

2088
	/* convert to rate of irq's per second */
2089 2090 2091 2092 2093 2094 2095 2096 2097 2098 2099 2100
	if (ec->rx_coalesce_usecs && ec->rx_coalesce_usecs <= 3)
		adapter->rx_itr_setting = ec->rx_coalesce_usecs;
	else
		adapter->rx_itr_setting = ec->rx_coalesce_usecs << 2;

	/* convert to rate of irq's per second */
	if (adapter->flags & IGB_FLAG_QUEUE_PAIRS)
		adapter->tx_itr_setting = adapter->rx_itr_setting;
	else if (ec->tx_coalesce_usecs && ec->tx_coalesce_usecs <= 3)
		adapter->tx_itr_setting = ec->tx_coalesce_usecs;
	else
		adapter->tx_itr_setting = ec->tx_coalesce_usecs << 2;
2101

2102 2103
	for (i = 0; i < adapter->num_q_vectors; i++) {
		struct igb_q_vector *q_vector = adapter->q_vector[i];
2104 2105
		q_vector->tx.work_limit = adapter->tx_work_limit;
		if (q_vector->rx.ring)
2106 2107 2108 2109 2110
			q_vector->itr_val = adapter->rx_itr_setting;
		else
			q_vector->itr_val = adapter->tx_itr_setting;
		if (q_vector->itr_val && q_vector->itr_val <= 3)
			q_vector->itr_val = IGB_START_ITR;
2111 2112
		q_vector->set_itr = 1;
	}
2113 2114 2115 2116 2117 2118 2119 2120 2121

	return 0;
}

static int igb_get_coalesce(struct net_device *netdev,
			    struct ethtool_coalesce *ec)
{
	struct igb_adapter *adapter = netdev_priv(netdev);

2122 2123
	if (adapter->rx_itr_setting <= 3)
		ec->rx_coalesce_usecs = adapter->rx_itr_setting;
2124
	else
2125 2126 2127 2128 2129 2130 2131 2132
		ec->rx_coalesce_usecs = adapter->rx_itr_setting >> 2;

	if (!(adapter->flags & IGB_FLAG_QUEUE_PAIRS)) {
		if (adapter->tx_itr_setting <= 3)
			ec->tx_coalesce_usecs = adapter->tx_itr_setting;
		else
			ec->tx_coalesce_usecs = adapter->tx_itr_setting >> 2;
	}
2133 2134 2135 2136 2137 2138 2139 2140 2141 2142 2143 2144 2145 2146 2147 2148 2149 2150 2151 2152 2153 2154 2155 2156 2157 2158 2159 2160

	return 0;
}

static int igb_nway_reset(struct net_device *netdev)
{
	struct igb_adapter *adapter = netdev_priv(netdev);
	if (netif_running(netdev))
		igb_reinit_locked(adapter);
	return 0;
}

static int igb_get_sset_count(struct net_device *netdev, int sset)
{
	switch (sset) {
	case ETH_SS_STATS:
		return IGB_STATS_LEN;
	case ETH_SS_TEST:
		return IGB_TEST_LEN;
	default:
		return -ENOTSUPP;
	}
}

static void igb_get_ethtool_stats(struct net_device *netdev,
				  struct ethtool_stats *stats, u64 *data)
{
	struct igb_adapter *adapter = netdev_priv(netdev);
E
Eric Dumazet 已提交
2161 2162 2163 2164
	struct rtnl_link_stats64 *net_stats = &adapter->stats64;
	unsigned int start;
	struct igb_ring *ring;
	int i, j;
2165
	char *p;
2166

E
Eric Dumazet 已提交
2167 2168
	spin_lock(&adapter->stats64_lock);
	igb_update_stats(adapter, net_stats);
2169

2170
	for (i = 0; i < IGB_GLOBAL_STATS_LEN; i++) {
2171
		p = (char *)adapter + igb_gstrings_stats[i].stat_offset;
2172 2173 2174
		data[i] = (igb_gstrings_stats[i].sizeof_stat ==
			sizeof(u64)) ? *(u64 *)p : *(u32 *)p;
	}
2175 2176 2177 2178 2179
	for (j = 0; j < IGB_NETDEV_STATS_LEN; j++, i++) {
		p = (char *)net_stats + igb_gstrings_net_stats[j].stat_offset;
		data[i] = (igb_gstrings_net_stats[j].sizeof_stat ==
			sizeof(u64)) ? *(u64 *)p : *(u32 *)p;
	}
2180
	for (j = 0; j < adapter->num_tx_queues; j++) {
E
Eric Dumazet 已提交
2181 2182 2183 2184 2185 2186 2187 2188 2189 2190 2191 2192 2193 2194 2195 2196
		u64	restart2;

		ring = adapter->tx_ring[j];
		do {
			start = u64_stats_fetch_begin_bh(&ring->tx_syncp);
			data[i]   = ring->tx_stats.packets;
			data[i+1] = ring->tx_stats.bytes;
			data[i+2] = ring->tx_stats.restart_queue;
		} while (u64_stats_fetch_retry_bh(&ring->tx_syncp, start));
		do {
			start = u64_stats_fetch_begin_bh(&ring->tx_syncp2);
			restart2  = ring->tx_stats.restart_queue2;
		} while (u64_stats_fetch_retry_bh(&ring->tx_syncp2, start));
		data[i+2] += restart2;

		i += IGB_TX_QUEUE_STATS_LEN;
2197
	}
2198
	for (j = 0; j < adapter->num_rx_queues; j++) {
E
Eric Dumazet 已提交
2199 2200 2201 2202 2203 2204 2205 2206 2207 2208
		ring = adapter->rx_ring[j];
		do {
			start = u64_stats_fetch_begin_bh(&ring->rx_syncp);
			data[i]   = ring->rx_stats.packets;
			data[i+1] = ring->rx_stats.bytes;
			data[i+2] = ring->rx_stats.drops;
			data[i+3] = ring->rx_stats.csum_err;
			data[i+4] = ring->rx_stats.alloc_failed;
		} while (u64_stats_fetch_retry_bh(&ring->rx_syncp, start));
		i += IGB_RX_QUEUE_STATS_LEN;
2209
	}
E
Eric Dumazet 已提交
2210
	spin_unlock(&adapter->stats64_lock);
2211 2212 2213 2214 2215 2216 2217 2218 2219 2220 2221 2222 2223 2224 2225 2226 2227 2228 2229
}

static void igb_get_strings(struct net_device *netdev, u32 stringset, u8 *data)
{
	struct igb_adapter *adapter = netdev_priv(netdev);
	u8 *p = data;
	int i;

	switch (stringset) {
	case ETH_SS_TEST:
		memcpy(data, *igb_gstrings_test,
			IGB_TEST_LEN*ETH_GSTRING_LEN);
		break;
	case ETH_SS_STATS:
		for (i = 0; i < IGB_GLOBAL_STATS_LEN; i++) {
			memcpy(p, igb_gstrings_stats[i].stat_string,
			       ETH_GSTRING_LEN);
			p += ETH_GSTRING_LEN;
		}
2230 2231 2232 2233 2234
		for (i = 0; i < IGB_NETDEV_STATS_LEN; i++) {
			memcpy(p, igb_gstrings_net_stats[i].stat_string,
			       ETH_GSTRING_LEN);
			p += ETH_GSTRING_LEN;
		}
2235 2236 2237 2238 2239
		for (i = 0; i < adapter->num_tx_queues; i++) {
			sprintf(p, "tx_queue_%u_packets", i);
			p += ETH_GSTRING_LEN;
			sprintf(p, "tx_queue_%u_bytes", i);
			p += ETH_GSTRING_LEN;
2240 2241
			sprintf(p, "tx_queue_%u_restart", i);
			p += ETH_GSTRING_LEN;
2242 2243 2244 2245 2246 2247
		}
		for (i = 0; i < adapter->num_rx_queues; i++) {
			sprintf(p, "rx_queue_%u_packets", i);
			p += ETH_GSTRING_LEN;
			sprintf(p, "rx_queue_%u_bytes", i);
			p += ETH_GSTRING_LEN;
2248 2249
			sprintf(p, "rx_queue_%u_drops", i);
			p += ETH_GSTRING_LEN;
2250 2251 2252 2253
			sprintf(p, "rx_queue_%u_csum_err", i);
			p += ETH_GSTRING_LEN;
			sprintf(p, "rx_queue_%u_alloc_failed", i);
			p += ETH_GSTRING_LEN;
2254 2255 2256 2257 2258 2259
		}
/*		BUG_ON(p - data != IGB_STATS_LEN * ETH_GSTRING_LEN); */
		break;
	}
}

Y
Yan, Zheng 已提交
2260 2261 2262 2263 2264 2265 2266 2267 2268 2269 2270 2271 2272
static int igb_ethtool_begin(struct net_device *netdev)
{
	struct igb_adapter *adapter = netdev_priv(netdev);
	pm_runtime_get_sync(&adapter->pdev->dev);
	return 0;
}

static void igb_ethtool_complete(struct net_device *netdev)
{
	struct igb_adapter *adapter = netdev_priv(netdev);
	pm_runtime_put(&adapter->pdev->dev);
}

2273 2274 2275 2276 2277 2278 2279 2280 2281 2282 2283 2284 2285 2286 2287 2288 2289 2290 2291 2292 2293 2294 2295 2296 2297 2298 2299 2300 2301 2302 2303 2304
#ifdef CONFIG_IGB_PTP
static int igb_ethtool_get_ts_info(struct net_device *dev,
				   struct ethtool_ts_info *info)
{
	struct igb_adapter *adapter = netdev_priv(dev);

	info->so_timestamping =
		SOF_TIMESTAMPING_TX_HARDWARE |
		SOF_TIMESTAMPING_RX_HARDWARE |
		SOF_TIMESTAMPING_RAW_HARDWARE;

	if (adapter->ptp_clock)
		info->phc_index = ptp_clock_index(adapter->ptp_clock);
	else
		info->phc_index = -1;

	info->tx_types =
		(1 << HWTSTAMP_TX_OFF) |
		(1 << HWTSTAMP_TX_ON);

	info->rx_filters =
		(1 << HWTSTAMP_FILTER_NONE) |
		(1 << HWTSTAMP_FILTER_ALL) |
		(1 << HWTSTAMP_FILTER_SOME) |
		(1 << HWTSTAMP_FILTER_PTP_V1_L4_SYNC) |
		(1 << HWTSTAMP_FILTER_PTP_V1_L4_DELAY_REQ) |
		(1 << HWTSTAMP_FILTER_PTP_V2_EVENT);

	return 0;
}

#endif
2305
static const struct ethtool_ops igb_ethtool_ops = {
2306 2307 2308 2309 2310 2311 2312 2313 2314 2315
	.get_settings           = igb_get_settings,
	.set_settings           = igb_set_settings,
	.get_drvinfo            = igb_get_drvinfo,
	.get_regs_len           = igb_get_regs_len,
	.get_regs               = igb_get_regs,
	.get_wol                = igb_get_wol,
	.set_wol                = igb_set_wol,
	.get_msglevel           = igb_get_msglevel,
	.set_msglevel           = igb_set_msglevel,
	.nway_reset             = igb_nway_reset,
2316
	.get_link               = igb_get_link,
2317 2318 2319 2320 2321 2322 2323 2324 2325
	.get_eeprom_len         = igb_get_eeprom_len,
	.get_eeprom             = igb_get_eeprom,
	.set_eeprom             = igb_set_eeprom,
	.get_ringparam          = igb_get_ringparam,
	.set_ringparam          = igb_set_ringparam,
	.get_pauseparam         = igb_get_pauseparam,
	.set_pauseparam         = igb_set_pauseparam,
	.self_test              = igb_diag_test,
	.get_strings            = igb_get_strings,
2326
	.set_phys_id            = igb_set_phys_id,
2327 2328 2329 2330
	.get_sset_count         = igb_get_sset_count,
	.get_ethtool_stats      = igb_get_ethtool_stats,
	.get_coalesce           = igb_get_coalesce,
	.set_coalesce           = igb_set_coalesce,
Y
Yan, Zheng 已提交
2331 2332
	.begin			= igb_ethtool_begin,
	.complete		= igb_ethtool_complete,
2333 2334 2335
#ifdef CONFIG_IGB_PTP
	.get_ts_info		= igb_ethtool_get_ts_info,
#endif
2336 2337 2338 2339 2340 2341
};

void igb_set_ethtool_ops(struct net_device *netdev)
{
	SET_ETHTOOL_OPS(netdev, &igb_ethtool_ops);
}