26:19 GMT
Expires: Tue, 12 Aug 2036 12:26:19 GMT
ETag: "e88e3dfac8c21124b8c6a83b69c3c8298392c222"

// SPDX-License-Identifier: GPL-2.0
/* Copyright(c) 1999 - 2018 Intel Corporation. */

/* ethtool support for ixgbe */

#include <linux/interrupt.h>
#include <linux/types.h>
#include <linux/module.h>
#include <linux/slab.h>
#include <linux/pci.h>
#include <linux/netdevice.h>
#include <linux/ethtool.h>
#include <linux/vmalloc.h>
#include <linux/highmem.h>
#include <linux/uaccess.h>

#include "ixgbe.h"
#include "ixgbe_phy.h"


enum {NETDEV_STATS, IXGBE_STATS};

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

#define IXGBE_STAT(m)		IXGBE_STATS, \
				sizeof(((struct ixgbe_adapter *)0)->m), \
				offsetof(struct ixgbe_adapter, m)
#define IXGBE_NETDEV_STAT(m)	NETDEV_STATS, \
				sizeof(((struct rtnl_link_stats64 *)0)->m), \
				offsetof(struct rtnl_link_stats64, m)

static const struct ixgbe_stats ixgbe_gstrings_stats[] = {
	{"rx_packets", IXGBE_NETDEV_STAT(rx_packets)},
	{"tx_packets", IXGBE_NETDEV_STAT(tx_packets)},
	{"rx_bytes", IXGBE_NETDEV_STAT(rx_bytes)},
	{"tx_bytes", IXGBE_NETDEV_STAT(tx_bytes)},
	{"rx_pkts_nic", IXGBE_STAT(stats.gprc)},
	{"tx_pkts_nic", IXGBE_STAT(stats.gptc)},
	{"rx_bytes_nic", IXGBE_STAT(stats.gorc)},
	{"tx_bytes_nic", IXGBE_STAT(stats.gotc)},
	{"lsc_int", IXGBE_STAT(lsc_int)},
	{"tx_busy", IXGBE_STAT(tx_busy)},
	{"non_eop_descs", IXGBE_STAT(non_eop_descs)},
	{"rx_errors", IXGBE_NETDEV_STAT(rx_errors)},
	{"tx_errors", IXGBE_NETDEV_STAT(tx_errors)},
	{"rx_dropped", IXGBE_NETDEV_STAT(rx_dropped)},
	{"tx_dropped", IXGBE_NETDEV_STAT(tx_dropped)},
	{"multicast", IXGBE_NETDEV_STAT(multicast)},
	{"broadcast", IXGBE_STAT(stats.bprc)},
	{"rx_no_buffer_count", IXGBE_STAT(stats.rnbc[0]) },
	{"collisions", IXGBE_NETDEV_STAT(collisions)},
	{"rx_over_errors", IXGBE_NETDEV_STAT(rx_over_errors)},
	{"rx_crc_errors", IXGBE_NETDEV_STAT(rx_crc_errors)},
	{"rx_frame_errors", IXGBE_NETDEV_STAT(rx_frame_errors)},
	{"hw_rsc_aggregated", IXGBE_STAT(rsc_total_count)},
	{"hw_rsc_flushed", IXGBE_STAT(rsc_total_flush)},
	{"fdir_match", IXGBE_STAT(stats.fdirmatch)},
	{"fdir_miss", IXGBE_STAT(stats.fdirmiss)},
	{"fdir_overflow", IXGBE_STAT(fdir_overflow)},
	{"rx_fifo_errors", IXGBE_NETDEV_STAT(rx_fifo_errors)},
	{"rx_missed_errors", IXGBE_NETDEV_STAT(rx_missed_errors)},
	{"tx_aborted_errors", IXGBE_NETDEV_STAT(tx_aborted_errors)},
	{"tx_carrier_errors", IXGBE_NETDEV_STAT(tx_carrier_errors)},
	{"tx_fifo_errors", IXGBE_NETDEV_STAT(tx_fifo_errors)},
	{"tx_heartbeat_errors", IXGBE_NETDEV_STAT(tx_heartbeat_errors)},
	{"tx_timeout_count", IXGBE_STAT(tx_timeout_count)},
	{"tx_restart_queue", IXGBE_STAT(restart_queue)},
	{"rx_length_errors", IXGBE_STAT(stats.rlec)},
	{"rx_long_length_errors", IXGBE_STAT(stats.roc)},
	{"rx_short_length_errors", IXGBE_STAT(stats.ruc)},
	{"tx_flow_control_xon", IXGBE_STAT(stats.lxontxc)},
	{"rx_flow_control_xon", IXGBE_STAT(stats.lxonrxc)},
	{"tx_flow_control_xoff", IXGBE_STAT(stats.lxofftxc)},
	{"rx_flow_control_xoff", IXGBE_STAT(stats.lxoffrxc)},
	{"rx_csum_offload_errors", IXGBE_STAT(hw_csum_rx_error)},
	{"alloc_rx_page", IXGBE_STAT(alloc_rx_page)},
	{"alloc_rx_page_failed", IXGBE_STAT(alloc_rx_page_failed)},
	{"alloc_rx_buff_failed", IXGBE_STAT(alloc_rx_buff_failed)},
	{"rx_no_dma_resources", IXGBE_STAT(hw_rx_no_dma_resources)},
	{"os2bmc_rx_by_bmc", IXGBE_STAT(stats.o2bgptc)},
	{"os2bmc_tx_by_bmc", IXGBE_STAT(stats.b2ospc)},
	{"os2bmc_tx_by_host", IXGBE_STAT(stats.o2bspc)},
	{"os2bmc_rx_by_host", IXGBE_STAT(stats.b2ogprc)},
	{"tx_hwtstamp_timeouts", IXGBE_STAT(tx_hwtstamp_timeouts)},
	{"tx_hwtstamp_skipped", IXGBE_STAT(tx_hwtstamp_skipped)},
	{"rx_hwtstamp_cleared", IXGBE_STAT(rx_hwtstamp_cleared)},
	{"tx_ipsec", IXGBE_STAT(tx_ipsec)},
	{"rx_ipsec", IXGBE_STAT(rx_ipsec)},
#ifdef IXGBE_FCOE
	{"fcoe_bad_fccrc", IXGBE_STAT(stats.fccrc)},
	{"rx_fcoe_dropped", IXGBE_STAT(stats.fcoerpdc)},
	{"rx_fcoe_packets", IXGBE_STAT(stats.fcoeprc)},
	{"rx_fcoe_dwords", IXGBE_STAT(stats.fcoedwrc)},
	{"fcoe_noddp", IXGBE_STAT(stats.fcoe_noddp)},
	{"fcoe_noddp_ext_buff", IXGBE_STAT(stats.fcoe_noddp_ext_buff)},
	{"tx_fcoe_packets", IXGBE_STAT(stats.fcoeptc)},
	{"tx_fcoe_dwords", IXGBE_STAT(stats.fcoedwtc)},
#endif /* IXGBE_FCOE */
};

/* ixgbe allocates num_tx_queues and num_rx_queues symmetrically so
 * we set the num_rx_queues to evaluate to num_tx_queues. This is
 * used because we do not have a good way to get the max number of
 * rx queues with CONFIG_RPS disabled.
 */
#define IXGBE_NUM_RX_QUEUES netdev->num_tx_queues

#define IXGBE_QUEUE_STATS_LEN ( \
	(netdev->num_tx_queues + IXGBE_NUM_RX_QUEUES) * \
	(sizeof(struct ixgbe_queue_stats) / sizeof(u64)))
#define IXGBE_GLOBAL_STATS_LEN ARRAY_SIZE(ixgbe_gstrings_stats)
#define IXGBE_PB_STATS_LEN ( \
			(sizeof(((struct ixgbe_adapter *)0)->stats.pxonrxc) + \
			 sizeof(((struct ixgbe_adapter *)0)->stats.pxontxc) + \
			 sizeof(((struct ixgbe_adapter *)0)->stats.pxoffrxc) + \
			 sizeof(((struct ixgbe_adapter *)0)->stats.pxofftxc)) \
			/ sizeof(u64))
#define IXGBE_STATS_LEN (IXGBE_GLOBAL_STATS_LEN + \
			 IXGBE_PB_STATS_LEN + \
			 IXGBE_QUEUE_STATS_LEN)

static const char ixgbe_gstrings_test[][ETH_GSTRING_LEN] = {
	"Register test  (offline)", "Eeprom test    (offline)",
	"Interrupt test (offline)", "Loopback test  (offline)",
	"Link test   (on/offline)"
};
#define IXGBE_TEST_LEN sizeof(ixgbe_gstrings_test) / ETH_GSTRING_LEN

static const char ixgbe_priv_flags_strings[][ETH_GSTRING_LEN] = {
#define IXGBE_PRIV_FLAGS_LEGACY_RX	BIT(0)
	"legacy-rx",
#define IXGBE_PRIV_FLAGS_VF_IPSEC_EN	BIT(1)
	"vf-ipsec",
#define IXGBE_PRIV_FLAGS_AUTO_DISABLE_VF	BIT(2)
	"mdd-disable-vf",
};

#define IXGBE_PRIV_FLAGS_STR_LEN ARRAY_SIZE(ixgbe_priv_flags_strings)

#define ixgbe_isbackplane(type) ((type) == ixgbe_media_type_backplane)

static void ixgbe_set_supported_10gtypes(struct ixgbe_hw *hw,
					 struct ethtool_link_ksettings *cmd)
{
	if (!ixgbe_isbackplane(hw->phy.media_type)) {
		ethtool_link_ksettings_add_link_mode(cmd, supported,
						     10000baseT_Full);
		return;
	}

	switch (hw->device_id) {
	case IXGBE_DEV_ID_82598:
	case IXGBE_DEV_ID_82599_KX4:
	case IXGBE_DEV_ID_82599_KX4_MEZZ:
	case IXGBE_DEV_ID_X550EM_X_KX4:
		ethtool_link_ksettings_add_link_mode
			(cmd, supported, 10000baseKX4_Full);
		break;
	case IXGBE_DEV_ID_82598_BX:
	case IXGBE_DEV_ID_82599_KR:
	case IXGBE_DEV_ID_X550EM_X_KR:
	case IXGBE_DEV_ID_X550EM_X_XFI:
		ethtool_link_ksettings_add_link_mode
			(cmd, supported, 10000baseKR_Full);
		break;
	default:
		ethtool_link_ksettings_add_link_mode
			(cmd, supported, 10000baseKX4_Full);
		ethtool_link_ksettings_add_link_mode
			(cmd, supported, 10000baseKR_Full);
		break;
	}
}

static void ixgbe_set_advertising_10gtypes(struct ixgbe_hw *hw,
					   struct ethtool_link_ksettings *cmd)
{
	if (!ixgbe_isbackplane(hw->phy.media_type)) {
		ethtool_link_ksettings_add_link_mode(cmd, advertising,
						     10000baseT_Full);
		return;
	}

	switch (hw->device_id) {
	case IXGBE_DEV_ID_82598:
	case IXGBE_DEV_ID_82599_KX4:
	case IXGBE_DEV_ID_82599_KX4_MEZZ:
	case IXGBE_DEV_ID_X550EM_X_KX4:
		ethtool_link_ksettings_add_link_mode
			(cmd, advertising, 10000baseKX4_Full);
		break;
	case IXGBE_DEV_ID_82598_BX:
	case IXGBE_DEV_ID_82599_KR:
	case IXGBE_DEV_ID_X550EM_X_KR:
	case IXGBE_DEV_ID_X550EM_X_XFI:
		ethtool_link_ksettings_add_link_mode
			(cmd, advertising, 10000baseKR_Full);
		break;
	default:
		ethtool_link_ksettings_add_link_mode
			(cmd, advertising, 10000baseKX4_Full);
		ethtool_link_ksettings_add_link_mode
			(cmd, advertising, 10000baseKR_Full);
		break;
	}
}

static int ixgbe_get_link_ksettings(struct net_device *netdev,
				    struct ethtool_link_ksettings *cmd)
{
	struct ixgbe_adapter *adapter = netdev_priv(netdev);
	struct ixgbe_hw *hw = &adapter->hw;
	ixgbe_link_speed supported_link;
	bool autoneg = false;

	ethtool_link_ksettings_zero_link_mode(cmd, supported);
	ethtool_link_ksettings_zero_link_mode(cmd, advertising);

	hw->mac.ops.get_link_capabilities(hw, &supported_link, &autoneg);

	/* set the supported link speeds */
	if (supported_link & IXGBE_LINK_SPEED_10GB_FULL) {
		ixgbe_set_supported_10gtypes(hw, cmd);
		ixgbe_set_advertising_10gtypes(hw, cmd);
	}
	if (supported_link & IXGBE_LINK_SPEED_5GB_FULL)
		ethtool_link_ksettings_add_link_mode(cmd, supported,
						     5000baseT_Full);

	if (supported_link & IXGBE_LINK_SPEED_2_5GB_FULL)
		ethtool_link_ksettings_add_link_mode(cmd, supported,
						     2500baseT_Full);

	if (supported_link & IXGBE_LINK_SPEED_1GB_FULL) {
		if (ixgbe_isbackplane(hw->phy.media_type)) {
			ethtool_link_ksettings_add_link_mode(cmd, supported,
							     1000baseKX_Full);
			ethtool_link_ksettings_add_link_mode(cmd, advertising,
							     1000baseKX_Full);
		} else {
			ethtool_link_ksettings_add_link_mode(cmd, supported,
							     1000baseT_Full);
			ethtool_link_ksettings_add_link_mode(cmd, advertising,
							     1000baseT_Full);
		}
	}
	if (supported_link & IXGBE_LINK_SPEED_100_FULL) {
		ethtool_link_ksettings_add_link_mode(cmd, supported,
						     100baseT_Full);
		ethtool_link_ksettings_add_link_mode(cmd, advertising,
						     100baseT_Full);
	}
	if (supported_link & IXGBE_LINK_SPEED_10_FULL) {
		ethtool_link_ksettings_add_link_mode(cmd, supported,
						     10baseT_Full);
		ethtool_link_ksettings_add_link_mode(cmd, advertising,
						     10baseT_Full);
	}

	/* set the advertised speeds */
	if (hw->phy.autoneg_advertised) {
		ethtool_link_ksettings_zero_link_mode(cmd, advertising);
		if (hw->phy.autoneg_advertised & IXGBE_LINK_SPEED_10_FULL)
			ethtool_link_ksettings_add_link_mode(cmd, advertising,
							     10baseT_Full);
		if (hw->phy.autoneg_advertised & IXGBE_LINK_SPEED_100_FULL)
			ethtool_link_ksettings_add_link_mode(cmd, advertising,
							     100baseT_Full);
		if (hw->phy.autoneg_advertised & IXGBE_LINK_SPEED_10GB_FULL)
			ixgbe_set_advertising_10gtypes(hw, cmd);
		if (hw->phy.autoneg_advertised & IXGBE_LINK_SPEED_1GB_FULL) {
			if (ethtool_link_ksettings_test_link_mode
				(cmd, supported, 1000baseKX_Full))
				ethtool_link_ksettings_add_link_mode
					(cmd, advertising, 1000baseKX_Full);
			else
				ethtool_link_ksettings_add_link_mode
					(cmd, advertising, 1000baseT_Full);
		}
		if (hw->phy.autoneg_advertised & IXGBE_LINK_SPEED_5GB_FULL)
			ethtool_link_ksettings_add_link_mode(cmd, advertising,
							     5000baseT_Full);
		if (hw->phy.autoneg_advertised & IXGBE_LINK_SPEED_2_5GB_FULL)
			ethtool_link_ksettings_add_link_mode(cmd, advertising,
							     2500baseT_Full);
	} else {
		if (hw->phy.multispeed_fiber && !autoneg) {
			if (supported_link & IXGBE_LINK_SPEED_10GB_FULL)
				ethtool_link_ksettings_add_link_mode
					(cmd, advertising, 10000baseT_Full);
		}
	}

	if (autoneg) {
		ethtool_link_ksettings_add_link_mode(cmd, supported, Autoneg);
		ethtool_link_ksettings_add_link_mode(cmd, advertising, Autoneg);
		cmd->base.autoneg = AUTONEG_ENABLE;
	} else
		cmd->base.autoneg = AUTONEG_DISABLE;

	/* Determine the remaining settings based on the PHY type. */
	switch (adapter->hw.phy.type) {
	case ixgbe_phy_tn:
	case ixgbe_phy_aq:
	case ixgbe_phy_x550em_ext_t:
	case ixgbe_phy_fw:
	case ixgbe_phy_cu_unknown:
		ethtool_link_ksettings_add_link_mode(cmd, supported, TP);
		ethtool_link_ksettings_add_link_mode(cmd, advertising, TP);
		cmd->base.port = PORT_TP;
		break;
	case ixgbe_phy_qt:
		ethtool_link_ksettings_add_link_mode(cmd, supported, FIBRE);
		ethtool_link_ksettings_add_link_mode(cmd, advertising, FIBRE);
		cmd->base.port = PORT_FIBRE;
		break;
	case ixgbe_phy_nl:
	case ixgbe_phy_sfp_passive_tyco:
	case ixgbe_phy_sfp_passive_unknown:
	case ixgbe_phy_sfp_ftl:
	case ixgbe_phy_sfp_avago:
	case ixgbe_phy_sfp_intel:
	case ixgbe_phy_sfp_unknown:
	case ixgbe_phy_qsfp_passive_unknown:
	case ixgbe_phy_qsfp_active_unknown:
	case ixgbe_phy_qsfp_intel:
	case ixgbe_phy_qsfp_unknown:
		/* SFP+ devices, further checking needed */
		switch (adapter->hw.phy.sfp_type) {
		case ixgbe_sfp_type_da_cu:
		case ixgbe_sfp_type_da_cu_core0:
		case ixgbe_sfp_type_da_cu_core1:
			ethtool_link_ksettings_add_link_mode(cmd, supported,
							     FIBRE);
			ethtool_link_ksettings_add_link_mode(cmd, advertising,
							     FIBRE);
			cmd->base.port = PORT_DA;
			break;
		case ixgbe_sfp_type_sr:
		case ixgbe_sfp_type_lr:
		case ixgbe_sfp_type_srlr_core0:
		case ixgbe_sfp_type_srlr_core1:
		case ixgbe_sfp_type_1g_sx_core0:
		case ixgbe_sfp_type_1g_sx_core1:
		case ixgbe_sfp_type_1g_lx_core0:
		case ixgbe_sfp_type_1g_lx_core1:
			ethtool_link_ksettings_add_link_mode(cmd, supported,
							     FIBRE);
			ethtool_link_ksettings_add_link_mode(cmd, advertising,
							     FIBRE);
			cmd->base.port = PORT_FIBRE;
			break;
		case ixgbe_sfp_type_not_present:
			ethtool_link_ksettings_add_link_mode(cmd, supported,
							     FIBRE);
			ethtool_link_ksettings_add_link_mode(cmd, advertising,
							     FIBRE);
			cmd->base.port = PORT_NONE;
			break;
		case ixgbe_sfp_type_1g_cu_core0:
		case ixgbe_sfp_type_1g_cu_core1:
			ethtool_link_ksettings_add_link_mode(cmd, supported,
							     TP);
			ethtool_link_ksettings_add_link_mode(cmd, advertising,
							     TP);
			cmd->base.port = PORT_TP;
			break;
		case ixgbe_sfp_type_unknown:
		default:
			ethtool_link_ksettings_add_link_mode(cmd, supported,
							     FIBRE);
			ethtool_link_ksettings_add_link_mode(cmd, advertising,
							     FIBRE);
			cmd->base.port = PORT_OTHER;
			break;
		}
		break;
	case ixgbe_phy_xaui:
		ethtool_link_ksettings_add_link_mode(cmd, supported,
						     FIBRE);
		ethtool_link_ksettings_add_link_mode(cmd, advertising,
						     FIBRE);
		cmd->base.port = PORT_NONE;
		break;
	case ixgbe_phy_unknown:
	case ixgbe_phy_generic:
	case ixgbe_phy_sfp_unsupported:
	default:
		ethtool_link_ksettings_add_link_mode(cmd, supported,
						     FIBRE);
		ethtool_link_ksettings_add_link_mode(cmd, advertising,
						     FIBRE);
		cmd->base.port = PORT_OTHER;
		break;
	}

	/* Indicate pause support */
	ethtool_link_ksettings_add_link_mode(cmd, supported, Pause);

	switch (hw->fc.requested_mode) {
	case ixgbe_fc_full:
		ethtool_link_ksettings_add_link_mode(cmd, advertising, Pause);
		break;
	case ixgbe_fc_rx_pause:
		ethtool_link_ksettings_add_link_mode(cmd, advertising, Pause);
		ethtool_link_ksettings_add_link_mode(cmd, advertising,
						     Asym_Pause);
		break;
	case ixgbe_fc_tx_pause:
		ethtool_link_ksettings_add_link_mode(cmd, advertising,
						     Asym_Pause);
		break;
	default:
		ethtool_link_ksettings_del_link_mode(cmd, advertising, Pause);
		ethtool_link_ksettings_del_link_mode(cmd, advertising,
						     Asym_Pause);
	}

	if (netif_carrier_ok(netdev)) {
		switch (adapter->link_speed) {
		case IXGBE_LINK_SPEED_10GB_FULL:
			cmd->base.speed = SPEED_10000;
			break;
		case IXGBE_LINK_SPEED_5GB_FULL:
			cmd->base.speed = SPEED_5000;
			break;
		case IXGBE_LINK_SPEED_2_5GB_FULL:
			cmd->base.speed = SPEED_2500;
			break;
		case IXGBE_LINK_SPEED_1GB_FULL:
			cmd->base.speed = SPEED_1000;
			break;
		case IXGBE_LINK_SPEED_100_FULL:
			cmd->base.speed = SPEED_100;
			break;
		case IXGBE_LINK_SPEED_10_FULL:
			cmd->base.speed = SPEED_10;
			break;
		default:
			break;
		}
		cmd->base.duplex = DUPLEX_FULL;
	} else {
		cmd->base.speed = SPEED_UNKNOWN;
		cmd->base.duplex = DUPLEX_UNKNOWN;
	}

	return 0;
}

static int ixgbe_set_link_ksettings(struct net_device *netdev,
				    const struct ethtool_link_ksettings *cmd)
{
	struct ixgbe_adapter *adapter = netdev_priv(netdev);
	struct ixgbe_hw *hw = &adapter->hw;
	u32 advertised, old;
	s32 err = 0;

	if ((hw->phy.media_type == ixgbe_media_type_copper) ||
	    (hw->phy.multispeed_fiber)) {
		/*
		 * this function does not support duplex forcing, but can
		 * limit the advertising of the adapter to the specified speed
		 */
		if (!linkmode_subset(cmd->link_modes.advertising,
				     cmd->link_modes.supported))
			return -EINVAL;

		/* only allow one speed at a time if no autoneg */
		if (!cmd->base.autoneg && hw->phy.multispeed_fiber) {
			if (ethtool_link_ksettings_test_link_mode(cmd, advertising,
								  10000baseT_Full) &&
			    ethtool_link_ksettings_test_link_mode(cmd, advertising,
								  1000baseT_Full))
				return -EINVAL;
		}

		old = hw->phy.autoneg_advertised;
		advertised = 0;
		if (ethtool_link_ksettings_test_link_mode(cmd, advertising,
							  10000baseT_Full))
			advertised |= IXGBE_LINK_SPEED_10GB_FULL;
		if (ethtool_link_ksettings_test_link_mode(cmd, advertising,
							  5000baseT_Full))
			advertised |= IXGBE_LINK_SPEED_5GB_FULL;
		if (ethtool_link_ksettings_test_link_mode(cmd, advertising,
							  2500baseT_Full))
			advertised |= IXGBE_LINK_SPEED_2_5GB_FULL;
		if (ethtool_link_ksettings_test_link_mode(cmd, advertising,
							  1000baseT_Full))
			advertised |= IXGBE_LINK_SPEED_1GB_FULL;

		if (ethtool_link_ksettings_test_link_mode(cmd, advertising,
							  100baseT_Full))
			advertised |= IXGBE_LINK_SPEED_100_FULL;

		if (ethtool_link_ksettings_test_link_mode(cmd, advertising,
							  10baseT_Full))
			advertised |= IXGBE_LINK_SPEED_10_FULL;

		if (old == advertised)
			return err;
		/* this sets the link speed and restarts auto-neg */
		while (test_and_set_bit(__IXGBE_IN_SFP_INIT, &adapter->state))
			usleep_range(1000, 2000);

		hw->mac.autotry_restart = true;
		err = hw->mac.ops.setup_link(hw, advertised, true);
		if (err) {
			e_info(probe, "setup link failed with code %d\n", err);
			hw->mac.ops.setup_link(hw, old, true);
		}
		clear_bit(__IXGBE_IN_SFP_INIT, &adapter->state);
	} else {
		/* in this case we currently only support 10Gb/FULL */
		u32 speed = cmd->base.speed;

		if ((cmd->base.autoneg == AUTONEG_ENABLE) ||
		    (!ethtool_link_ksettings_test_link_mode(cmd, advertising,
							    10000baseT_Full)) ||
		    (speed + cmd->base.duplex != SPEED_10000 + DUPLEX_FULL))
			return -EINVAL;
	}

	return err;
}

static void ixgbe_get_pause_stats(struct net_device *netdev,
				  struct ethtool_pause_stats *stats)
{
	struct ixgbe_adapter *adapter = netdev_priv(netdev);
	struct ixgbe_hw_stats *hwstats = &adapter->stats;

	stats->tx_pause_frames = hwstats->lxontxc + hwstats->lxofftxc;
	stats->rx_pause_frames = hwstats->lxonrxc + hwstats->lxoffrxc;
}

static void ixgbe_get_pauseparam(struct net_device *netdev,
				 struct ethtool_pauseparam *pause)
{
	struct ixgbe_adapter *adapter = netdev_priv(netdev);
	struct ixgbe_hw *hw = &adapter->hw;

	if (ixgbe_device_supports_autoneg_fc(hw) &&
	    !hw->fc.disable_fc_autoneg)
		pause->autoneg = 1;
	else
		pause->autoneg = 0;

	if (hw->fc.current_mode == ixgbe_fc_rx_pause) {
		pause->rx_pause = 1;
	} else if (hw->fc.current_mode == ixgbe_fc_tx_pause) {
		pause->tx_pause = 1;
	} else if (hw->fc.current_mode == ixgbe_fc_full) {
		pause->rx_pause = 1;
		pause->tx_pause = 1;
	}
}

static int ixgbe_set_pauseparam(struct net_device *netdev,
				struct ethtool_pauseparam *pause)
{
	struct ixgbe_adapter *adapter = netdev_priv(netdev);
	struct ixgbe_hw *hw = &adapter->hw;
	struct ixgbe_fc_info fc = hw->fc;

	/* 82598 does no support link flow control with DCB enabled */
	if ((hw->mac.type == ixgbe_mac_82598EB) &&
	    (adapter->flags & IXGBE_FLAG_DCB_ENABLED))
		return -EINVAL;

	/* some devices do not support autoneg of link flow control */
	if ((pause->autoneg == AUTONEG_ENABLE) &&
	    !ixgbe_device_supports_autoneg_fc(hw))
		return -EINVAL;

	fc.disable_fc_autoneg = (pause->autoneg != AUTONEG_ENABLE);

	if ((pause->rx_pause && pause->tx_pause) || pause->autoneg)
		fc.requested_mode = ixgbe_fc_full;
	else if (pause->rx_pause && !pause->tx_pause)
		fc.requested_mode = ixgbe_fc_rx_pause;
	else if (!pause->rx_pause && pause->tx_pause)
		fc.requested_mode = ixgbe_fc_tx_pause;
	else
		fc.requested_mode = ixgbe_fc_none;

	/* if the thing changed then we'll update and use new autoneg */
	if (memcmp(&fc, &hw->fc, sizeof(struct ixgbe_fc_info))) {
		hw->fc = fc;
		if (netif_running(netdev))
			ixgbe_reinit_locked(adapter);
		else
			ixgbe_reset(adapter);
	}

	return 0;
}

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

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

static int ixgbe_get_regs_len(struct net_device *netdev)
{
#define IXGBE_REGS_LEN  1145
	return IXGBE_REGS_LEN * sizeof(u32);
}

#define IXGBE_GET_STAT(_A_, _R_) _A_->stats._R_

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

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

	regs->version = hw->mac.type << 24 | hw->revision_id << 16 |
			hw->device_id;

	/* General Registers */
	regs_buff[0] = IXGBE_READ_REG(hw, IXGBE_CTRL);
	regs_buff[1] = IXGBE_READ_REG(hw, IXGBE_STATUS);
	regs_buff[2] = IXGBE_READ_REG(hw, IXGBE_CTRL_EXT);
	regs_buff[3] = IXGBE_READ_REG(hw, IXGBE_ESDP);
	regs_buff[4] = IXGBE_READ_REG(hw, IXGBE_EODSDP);
	regs_buff[5] = IXGBE_READ_REG(hw, IXGBE_LEDCTL);
	regs_buff[6] = IXGBE_READ_REG(hw, IXGBE_FRTIMER);
	regs_buff[7] = IXGBE_READ_REG(hw, IXGBE_TCPTIMER);

	/* NVM Register */
	regs_buff[8] = IXGBE_READ_REG(hw, IXGBE_EEC(hw));
	regs_buff[9] = IXGBE_READ_REG(hw, IXGBE_EERD);
	regs_buff[10] = IXGBE_READ_REG(hw, IXGBE_FLA(hw));
	regs_buff[11] = IXGBE_READ_REG(hw, IXGBE_EEMNGCTL);
	regs_buff[12] = IXGBE_READ_REG(hw, IXGBE_EEMNGDATA);
	regs_buff[13] = IXGBE_READ_REG(hw, IXGBE_FLMNGCTL);
	regs_buff[14] = IXGBE_READ_REG(hw, IXGBE_FLMNGDATA);
	regs_buff[15] = IXGBE_READ_REG(hw, IXGBE_FLMNGCNT);
	regs_buff[16] = IXGBE_READ_REG(hw, IXGBE_FLOP);
	regs_buff[17] = IXGBE_READ_REG(hw, IXGBE_GRC(hw));

	/* Interrupt */
	/* don't read EICR because it can clear interrupt causes, instead
	 * read EICS which is a shadow but doesn't clear EICR */
	regs_buff[18] = IXGBE_READ_REG(hw, IXGBE_EICS);
	regs_buff[19] = IXGBE_READ_REG(hw, IXGBE_EICS);
	regs_buff[20] = IXGBE_READ_REG(hw, IXGBE_EIMS);
	regs_buff[21] = IXGBE_READ_REG(hw, IXGBE_EIMC);
	regs_buff[22] = IXGBE_READ_REG(hw, IXGBE_EIAC);
	regs_buff[23] = IXGBE_READ_REG(hw, IXGBE_EIAM);
	regs_buff[24] = IXGBE_READ_REG(hw, IXGBE_EITR(0));
	regs_buff[25] = IXGBE_READ_REG(hw, IXGBE_IVAR(0));
	regs_buff[26] = IXGBE_READ_REG(hw, IXGBE_MSIXT);
	regs_buff[27] = IXGBE_READ_REG(hw, IXGBE_MSIXPBA);
	regs_buff[28] = IXGBE_READ_REG(hw, IXGBE_PBACL(0));
	regs_buff[29] = IXGBE_READ_REG(hw, IXGBE_GPIE);

	/* Flow Control */
	regs_buff[30] = IXGBE_READ_REG(hw, IXGBE_PFCTOP);
	for (i = 0; i < 4; i++)
		regs_buff[31 + i] = IXGBE_READ_REG(hw, IXGBE_FCTTV(i));
	for (i = 0; i < 8; i++) {
		switch (hw->mac.type) {
		case ixgbe_mac_82598EB:
			regs_buff[35 + i] = IXGBE_READ_REG(hw, IXGBE_FCRTL(i));
			regs_buff[43 + i] = IXGBE_READ_REG(hw, IXGBE_FCRTH(i));
			break;
		case ixgbe_mac_82599EB:
		case ixgbe_mac_X540:
		case ixgbe_mac_X550:
		case ixgbe_mac_X550EM_x:
		case ixgbe_mac_x550em_a:
			regs_buff[35 + i] = IXGBE_READ_REG(hw, IXGBE_FCRTL_82599(i));
			regs_buff[43 + i] = IXGBE_READ_REG(hw, IXGBE_FCRTH_82599(i));
			break;
		default:
			break;
		}
	}
	regs_buff[51] = IXGBE_READ_REG(hw, IXGBE_FCRTV);
	regs_buff[52] = IXGBE_READ_REG(hw, IXGBE_TFCS);

	/* Receive DMA */
	for (i = 0; i < 64; i++)
		regs_buff[53 + i] = IXGBE_READ_REG(hw, IXGBE_RDBAL(i));
	for (i = 0; i < 64; i++)
		regs_buff[117 + i] = IXGBE_READ_REG(hw, IXGBE_RDBAH(i));
	for (i = 0; i < 64; i++)
		regs_buff[181 + i] = IXGBE_READ_REG(hw, IXGBE_RDLEN(i));
	for (i = 0; i < 64; i++)
		regs_buff[245 + i] = IXGBE_READ_REG(hw, IXGBE_RDH(i));
	for (i = 0; i < 64; i++)
		regs_buff[309 + i] = IXGBE_READ_REG(hw, IXGBE_RDT(i));
	for (i = 0; i < 64; i++)
		regs_buff[373 + i] = IXGBE_READ_REG(hw, IXGBE_RXDCTL(i));
	for (i = 0; i < 16; i++)
		regs_buff[437 + i] = IXGBE_READ_REG(hw, IXGBE_SRRCTL(i));
	for (i = 0; i < 16; i++)
		regs_buff[453 + i] = IXGBE_READ_REG(hw, IXGBE_DCA_RXCTRL(i));
	regs_buff[469] = IXGBE_READ_REG(hw, IXGBE_RDRXCTL);
	for (i = 0; i < 8; i++)
		regs_buff[470 + i] = IXGBE_READ_REG(hw, IXGBE_RXPBSIZE(i));
	regs_buff[478] = IXGBE_READ_REG(hw, IXGBE_RXCTRL);
	regs_buff[479] = IXGBE_READ_REG(hw, IXGBE_DROPEN);

	/* Receive */
	regs_buff[480] = IXGBE_READ_RE