drivers/net/ethernet/amd/xgbe/xgbe-ethtool.c - LeafOS-Devices/android_kernel_samsung_gta4xl - Gitiles

 /*
  * AMD 10Gb Ethernet driver
  *
  * This file is available to you under your choice of the following two
  * licenses:
  *
  * License 1: GPLv2
  *
  * Copyright (c) 2014 Advanced Micro Devices, Inc.
  *
  * This file is free software; you may copy, redistribute and/or modify
  * it under the terms of the GNU General Public License as published by
  * the Free Software Foundation, either version 2 of the License, or (at
  * your option) any later version.
  *
  * This file is distributed in the hope that it will be useful, but
  * WITHOUT ANY WARRANTY; without even the implied warranty of
  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
  * General Public License for more details.
  *
  * You should have received a copy of the GNU General Public License
  * along with this program.  If not, see <http://www.gnu.org/licenses/>.
  *
  * This file incorporates work covered by the following copyright and
  * permission notice:
  *     The Synopsys DWC ETHER XGMAC Software Driver and documentation
  *     (hereinafter "Software") is an unsupported proprietary work of Synopsys,
  *     Inc. unless otherwise expressly agreed to in writing between Synopsys
  *     and you.
  *
  *     The Software IS NOT an item of Licensed Software or Licensed Product
  *     under any End User Software License Agreement or Agreement for Licensed
  *     Product with Synopsys or any supplement thereto.  Permission is hereby
  *     granted, free of charge, to any person obtaining a copy of this software
  *     annotated with this license and the Software, to deal in the Software
  *     without restriction, including without limitation the rights to use,
  *     copy, modify, merge, publish, distribute, sublicense, and/or sell copies
  *     of the Software, and to permit persons to whom the Software is furnished
  *     to do so, subject to the following conditions:
  *
  *     The above copyright notice and this permission notice shall be included
  *     in all copies or substantial portions of the Software.
  *
  *     THIS SOFTWARE IS BEING DISTRIBUTED BY SYNOPSYS SOLELY ON AN "AS IS"
  *     BASIS AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
  *     TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A
  *     PARTICULAR PURPOSE ARE HEREBY DISCLAIMED. IN NO EVENT SHALL SYNOPSYS
  *     BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
  *     CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
  *     SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
  *     INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
  *     CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
  *     ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF
  *     THE POSSIBILITY OF SUCH DAMAGE.
  *
  *
  * License 2: Modified BSD
  *
  * Copyright (c) 2014 Advanced Micro Devices, Inc.
  * All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
  * modification, are permitted provided that the following conditions are met:
  *     * Redistributions of source code must retain the above copyright
  *       notice, this list of conditions and the following disclaimer.
  *     * Redistributions in binary form must reproduce the above copyright
  *       notice, this list of conditions and the following disclaimer in the
  *       documentation and/or other materials provided with the distribution.
  *     * Neither the name of Advanced Micro Devices, Inc. nor the
  *       names of its contributors may be used to endorse or promote products
  *       derived from this software without specific prior written permission.
  *
  * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
  * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
  * ARE DISCLAIMED. IN NO EVENT SHALL <COPYRIGHT HOLDER> BE LIABLE FOR ANY
  * DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
  * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
  * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
  * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
  * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
  * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
  *
  * This file incorporates work covered by the following copyright and
  * permission notice:
  *     The Synopsys DWC ETHER XGMAC Software Driver and documentation
  *     (hereinafter "Software") is an unsupported proprietary work of Synopsys,
  *     Inc. unless otherwise expressly agreed to in writing between Synopsys
  *     and you.
  *
  *     The Software IS NOT an item of Licensed Software or Licensed Product
  *     under any End User Software License Agreement or Agreement for Licensed
  *     Product with Synopsys or any supplement thereto.  Permission is hereby
  *     granted, free of charge, to any person obtaining a copy of this software
  *     annotated with this license and the Software, to deal in the Software
  *     without restriction, including without limitation the rights to use,
  *     copy, modify, merge, publish, distribute, sublicense, and/or sell copies
  *     of the Software, and to permit persons to whom the Software is furnished
  *     to do so, subject to the following conditions:
  *
  *     The above copyright notice and this permission notice shall be included
  *     in all copies or substantial portions of the Software.
  *
  *     THIS SOFTWARE IS BEING DISTRIBUTED BY SYNOPSYS SOLELY ON AN "AS IS"
  *     BASIS AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
  *     TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A
  *     PARTICULAR PURPOSE ARE HEREBY DISCLAIMED. IN NO EVENT SHALL SYNOPSYS
  *     BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
  *     CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
  *     SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
  *     INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
  *     CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
  *     ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF
  *     THE POSSIBILITY OF SUCH DAMAGE.
  */

 #include <linux/spinlock.h>
 #include <linux/phy.h>
 #include <linux/net_tstamp.h>

 #include "xgbe.h"
 #include "xgbe-common.h"

 struct xgbe_stats {
 	char stat_string[ETH_GSTRING_LEN];
 	int stat_size;
 	int stat_offset;
 };

 #define XGMAC_MMC_STAT(_string, _var)				\
 	{ _string,						\
 	  FIELD_SIZEOF(struct xgbe_mmc_stats, _var),		\
 	  offsetof(struct xgbe_prv_data, mmc_stats._var),	\
 	}

 #define XGMAC_EXT_STAT(_string, _var)				\
 	{ _string,						\
 	  FIELD_SIZEOF(struct xgbe_ext_stats, _var),		\
 	  offsetof(struct xgbe_prv_data, ext_stats._var),	\
 	}

 static const struct xgbe_stats xgbe_gstring_stats[] = {
 	XGMAC_MMC_STAT("tx_bytes", txoctetcount_gb),
 	XGMAC_MMC_STAT("tx_packets", txframecount_gb),
 	XGMAC_MMC_STAT("tx_unicast_packets", txunicastframes_gb),
 	XGMAC_MMC_STAT("tx_broadcast_packets", txbroadcastframes_gb),
 	XGMAC_MMC_STAT("tx_multicast_packets", txmulticastframes_gb),
 	XGMAC_MMC_STAT("tx_vlan_packets", txvlanframes_g),
 	XGMAC_EXT_STAT("tx_tso_packets", tx_tso_packets),
 	XGMAC_MMC_STAT("tx_64_byte_packets", tx64octets_gb),
 	XGMAC_MMC_STAT("tx_65_to_127_byte_packets", tx65to127octets_gb),
 	XGMAC_MMC_STAT("tx_128_to_255_byte_packets", tx128to255octets_gb),
 	XGMAC_MMC_STAT("tx_256_to_511_byte_packets", tx256to511octets_gb),
 	XGMAC_MMC_STAT("tx_512_to_1023_byte_packets", tx512to1023octets_gb),
 	XGMAC_MMC_STAT("tx_1024_to_max_byte_packets", tx1024tomaxoctets_gb),
 	XGMAC_MMC_STAT("tx_underflow_errors", txunderflowerror),
 	XGMAC_MMC_STAT("tx_pause_frames", txpauseframes),

 	XGMAC_MMC_STAT("rx_bytes", rxoctetcount_gb),
 	XGMAC_MMC_STAT("rx_packets", rxframecount_gb),
 	XGMAC_MMC_STAT("rx_unicast_packets", rxunicastframes_g),
 	XGMAC_MMC_STAT("rx_broadcast_packets", rxbroadcastframes_g),
 	XGMAC_MMC_STAT("rx_multicast_packets", rxmulticastframes_g),
 	XGMAC_MMC_STAT("rx_vlan_packets", rxvlanframes_gb),
 	XGMAC_MMC_STAT("rx_64_byte_packets", rx64octets_gb),
 	XGMAC_MMC_STAT("rx_65_to_127_byte_packets", rx65to127octets_gb),
 	XGMAC_MMC_STAT("rx_128_to_255_byte_packets", rx128to255octets_gb),
 	XGMAC_MMC_STAT("rx_256_to_511_byte_packets", rx256to511octets_gb),
 	XGMAC_MMC_STAT("rx_512_to_1023_byte_packets", rx512to1023octets_gb),
 	XGMAC_MMC_STAT("rx_1024_to_max_byte_packets", rx1024tomaxoctets_gb),
 	XGMAC_MMC_STAT("rx_undersize_packets", rxundersize_g),
 	XGMAC_MMC_STAT("rx_oversize_packets", rxoversize_g),
 	XGMAC_MMC_STAT("rx_crc_errors", rxcrcerror),
 	XGMAC_MMC_STAT("rx_crc_errors_small_packets", rxrunterror),
 	XGMAC_MMC_STAT("rx_crc_errors_giant_packets", rxjabbererror),
 	XGMAC_MMC_STAT("rx_length_errors", rxlengtherror),
 	XGMAC_MMC_STAT("rx_out_of_range_errors", rxoutofrangetype),
 	XGMAC_MMC_STAT("rx_fifo_overflow_errors", rxfifooverflow),
 	XGMAC_MMC_STAT("rx_watchdog_errors", rxwatchdogerror),
 	XGMAC_MMC_STAT("rx_pause_frames", rxpauseframes),
 	XGMAC_EXT_STAT("rx_split_header_packets", rx_split_header_packets),
 	XGMAC_EXT_STAT("rx_buffer_unavailable", rx_buffer_unavailable),
 };

 #define XGBE_STATS_COUNT	ARRAY_SIZE(xgbe_gstring_stats)

 static void xgbe_get_strings(struct net_device *netdev, u32 stringset, u8 *data)
 {
 	int i;

 	switch (stringset) {
 	case ETH_SS_STATS:
 		for (i = 0; i < XGBE_STATS_COUNT; i++) {
 			memcpy(data, xgbe_gstring_stats[i].stat_string,
 			       ETH_GSTRING_LEN);
 			data += ETH_GSTRING_LEN;
 		}
 		break;
 	}
 }

 static void xgbe_get_ethtool_stats(struct net_device *netdev,
 				   struct ethtool_stats *stats, u64 *data)
 {
 	struct xgbe_prv_data *pdata = netdev_priv(netdev);
 	u8 *stat;
 	int i;

 	pdata->hw_if.read_mmc_stats(pdata);
 	for (i = 0; i < XGBE_STATS_COUNT; i++) {
 		stat = (u8 *)pdata + xgbe_gstring_stats[i].stat_offset;
 		*data++ = *(u64 *)stat;
 	}
 }

 static int xgbe_get_sset_count(struct net_device *netdev, int stringset)
 {
 	int ret;

 	switch (stringset) {
 	case ETH_SS_STATS:
 		ret = XGBE_STATS_COUNT;
 		break;

 	default:
 		ret = -EOPNOTSUPP;
 	}

 	return ret;
 }

 static void xgbe_get_pauseparam(struct net_device *netdev,
 				struct ethtool_pauseparam *pause)
 {
 	struct xgbe_prv_data *pdata = netdev_priv(netdev);

 	pause->autoneg = pdata->phy.pause_autoneg;
 	pause->tx_pause = pdata->phy.tx_pause;
 	pause->rx_pause = pdata->phy.rx_pause;
 }

 static int xgbe_set_pauseparam(struct net_device *netdev,
 			       struct ethtool_pauseparam *pause)
 {
 	struct xgbe_prv_data *pdata = netdev_priv(netdev);
 	int ret = 0;

 	if (pause->autoneg && (pdata->phy.autoneg != AUTONEG_ENABLE)) {
 		netdev_err(netdev,
 			   "autoneg disabled, pause autoneg not avialable\n");
 		return -EINVAL;
 	}

 	pdata->phy.pause_autoneg = pause->autoneg;
 	pdata->phy.tx_pause = pause->tx_pause;
 	pdata->phy.rx_pause = pause->rx_pause;

 	pdata->phy.advertising &= ~ADVERTISED_Pause;
 	pdata->phy.advertising &= ~ADVERTISED_Asym_Pause;

 	if (pause->rx_pause) {
 		pdata->phy.advertising |= ADVERTISED_Pause;
 		pdata->phy.advertising |= ADVERTISED_Asym_Pause;
 	}

 	if (pause->tx_pause)
 		pdata->phy.advertising ^= ADVERTISED_Asym_Pause;

 	if (netif_running(netdev))
 		ret = pdata->phy_if.phy_config_aneg(pdata);

 	return ret;
 }

 static int xgbe_get_settings(struct net_device *netdev,
 			     struct ethtool_cmd *cmd)
 {
 	struct xgbe_prv_data *pdata = netdev_priv(netdev);

 	cmd->phy_address = pdata->phy.address;

 	cmd->supported = pdata->phy.supported;
 	cmd->advertising = pdata->phy.advertising;
 	cmd->lp_advertising = pdata->phy.lp_advertising;

 	cmd->autoneg = pdata->phy.autoneg;
 	ethtool_cmd_speed_set(cmd, pdata->phy.speed);
 	cmd->duplex = pdata->phy.duplex;

 	cmd->port = PORT_NONE;
 	cmd->transceiver = XCVR_INTERNAL;

 	return 0;
 }

 static int xgbe_set_settings(struct net_device *netdev,
 			     struct ethtool_cmd *cmd)
 {
 	struct xgbe_prv_data *pdata = netdev_priv(netdev);
 	u32 speed;
 	int ret;

 	speed = ethtool_cmd_speed(cmd);

 	if (cmd->phy_address != pdata->phy.address) {
 		netdev_err(netdev, "invalid phy address %hhu\n",
 			   cmd->phy_address);
 		return -EINVAL;
 	}

 	if ((cmd->autoneg != AUTONEG_ENABLE) &&
 	    (cmd->autoneg != AUTONEG_DISABLE)) {
 		netdev_err(netdev, "unsupported autoneg %hhu\n",
 			   cmd->autoneg);
 		return -EINVAL;
 	}

 	if (cmd->autoneg == AUTONEG_DISABLE) {
 		switch (speed) {
 		case SPEED_10000:
 		case SPEED_2500:
 		case SPEED_1000:
 			break;
 		default:
 			netdev_err(netdev, "unsupported speed %u\n", speed);
 			return -EINVAL;
 		}

 		if (cmd->duplex != DUPLEX_FULL) {
 			netdev_err(netdev, "unsupported duplex %hhu\n",
 				   cmd->duplex);
 			return -EINVAL;
 		}
 	}

 	netif_dbg(pdata, link, netdev,
 		  "requested advertisement %#x, phy supported %#x\n",
 		  cmd->advertising, pdata->phy.supported);

 	cmd->advertising &= pdata->phy.supported;
 	if ((cmd->autoneg == AUTONEG_ENABLE) && !cmd->advertising) {
 		netdev_err(netdev,
 			   "unsupported requested advertisement\n");
 		return -EINVAL;
 	}

 	ret = 0;
 	pdata->phy.autoneg = cmd->autoneg;
 	pdata->phy.speed = speed;
 	pdata->phy.duplex = cmd->duplex;
 	pdata->phy.advertising = cmd->advertising;

 	if (cmd->autoneg == AUTONEG_ENABLE)
 		pdata->phy.advertising |= ADVERTISED_Autoneg;
 	else
 		pdata->phy.advertising &= ~ADVERTISED_Autoneg;

 	if (netif_running(netdev))
 		ret = pdata->phy_if.phy_config_aneg(pdata);

 	return ret;
 }

 static void xgbe_get_drvinfo(struct net_device *netdev,
 			     struct ethtool_drvinfo *drvinfo)
 {
 	struct xgbe_prv_data *pdata = netdev_priv(netdev);
 	struct xgbe_hw_features *hw_feat = &pdata->hw_feat;

 	strlcpy(drvinfo->driver, XGBE_DRV_NAME, sizeof(drvinfo->driver));
 	strlcpy(drvinfo->version, XGBE_DRV_VERSION, sizeof(drvinfo->version));
 	strlcpy(drvinfo->bus_info, dev_name(pdata->dev),
 		sizeof(drvinfo->bus_info));
 	snprintf(drvinfo->fw_version, sizeof(drvinfo->fw_version), "%d.%d.%d",
 		 XGMAC_GET_BITS(hw_feat->version, MAC_VR, USERVER),
 		 XGMAC_GET_BITS(hw_feat->version, MAC_VR, DEVID),
 		 XGMAC_GET_BITS(hw_feat->version, MAC_VR, SNPSVER));
 }

 static u32 xgbe_get_msglevel(struct net_device *netdev)
 {
 	struct xgbe_prv_data *pdata = netdev_priv(netdev);

 	return pdata->msg_enable;
 }

 static void xgbe_set_msglevel(struct net_device *netdev, u32 msglevel)
 {
 	struct xgbe_prv_data *pdata = netdev_priv(netdev);

 	pdata->msg_enable = msglevel;
 }

 static int xgbe_get_coalesce(struct net_device *netdev,
 			     struct ethtool_coalesce *ec)
 {
 	struct xgbe_prv_data *pdata = netdev_priv(netdev);

 	memset(ec, 0, sizeof(struct ethtool_coalesce));

 	ec->rx_coalesce_usecs = pdata->rx_usecs;
 	ec->rx_max_coalesced_frames = pdata->rx_frames;

 	ec->tx_max_coalesced_frames = pdata->tx_frames;

 	return 0;
 }

 static int xgbe_set_coalesce(struct net_device *netdev,
 			     struct ethtool_coalesce *ec)
 {
 	struct xgbe_prv_data *pdata = netdev_priv(netdev);
 	struct xgbe_hw_if *hw_if = &pdata->hw_if;
 	unsigned int rx_frames, rx_riwt, rx_usecs;
 	unsigned int tx_frames;

 	/* Check for not supported parameters  */
 	if ((ec->rx_coalesce_usecs_irq) ||
 	    (ec->rx_max_coalesced_frames_irq) ||
 	    (ec->tx_coalesce_usecs) ||
 	    (ec->tx_coalesce_usecs_irq) ||
 	    (ec->tx_max_coalesced_frames_irq) ||
 	    (ec->stats_block_coalesce_usecs) ||
 	    (ec->use_adaptive_rx_coalesce) ||
 	    (ec->use_adaptive_tx_coalesce) ||
 	    (ec->pkt_rate_low) ||
 	    (ec->rx_coalesce_usecs_low) ||
 	    (ec->rx_max_coalesced_frames_low) ||
 	    (ec->tx_coalesce_usecs_low) ||
 	    (ec->tx_max_coalesced_frames_low) ||
 	    (ec->pkt_rate_high) ||
 	    (ec->rx_coalesce_usecs_high) ||
 	    (ec->rx_max_coalesced_frames_high) ||
 	    (ec->tx_coalesce_usecs_high) ||
 	    (ec->tx_max_coalesced_frames_high) ||
 	    (ec->rate_sample_interval)) {
 		netdev_err(netdev, "unsupported coalescing parameter\n");
 		return -EOPNOTSUPP;
 	}

 	rx_riwt = hw_if->usec_to_riwt(pdata, ec->rx_coalesce_usecs);
 	rx_usecs = ec->rx_coalesce_usecs;
 	rx_frames = ec->rx_max_coalesced_frames;

 	/* Use smallest possible value if conversion resulted in zero */
 	if (rx_usecs && !rx_riwt)
 		rx_riwt = 1;

 	/* Check the bounds of values for Rx */
 	if (rx_riwt > XGMAC_MAX_DMA_RIWT) {
 		netdev_err(netdev, "rx-usec is limited to %d usecs\n",
 			   hw_if->riwt_to_usec(pdata, XGMAC_MAX_DMA_RIWT));
 		return -EINVAL;
 	}
 	if (rx_frames > pdata->rx_desc_count) {
 		netdev_err(netdev, "rx-frames is limited to %d frames\n",
 			   pdata->rx_desc_count);
 		return -EINVAL;
 	}

 	tx_frames = ec->tx_max_coalesced_frames;

 	/* Check the bounds of values for Tx */
 	if (tx_frames > pdata->tx_desc_count) {
 		netdev_err(netdev, "tx-frames is limited to %d frames\n",
 			   pdata->tx_desc_count);
 		return -EINVAL;
 	}

 	pdata->rx_riwt = rx_riwt;
 	pdata->rx_usecs = rx_usecs;
 	pdata->rx_frames = rx_frames;
 	hw_if->config_rx_coalesce(pdata);

 	pdata->tx_frames = tx_frames;
 	hw_if->config_tx_coalesce(pdata);

 	return 0;
 }

 static int xgbe_get_rxnfc(struct net_device *netdev,
 			  struct ethtool_rxnfc *rxnfc, u32 *rule_locs)
 {
 	struct xgbe_prv_data *pdata = netdev_priv(netdev);

 	switch (rxnfc->cmd) {
 	case ETHTOOL_GRXRINGS:
 		rxnfc->data = pdata->rx_ring_count;
 		break;
 	default:
 		return -EOPNOTSUPP;
 	}

 	return 0;
 }

 static u32 xgbe_get_rxfh_key_size(struct net_device *netdev)
 {
 	struct xgbe_prv_data *pdata = netdev_priv(netdev);

 	return sizeof(pdata->rss_key);
 }

 static u32 xgbe_get_rxfh_indir_size(struct net_device *netdev)
 {
 	struct xgbe_prv_data *pdata = netdev_priv(netdev);

 	return ARRAY_SIZE(pdata->rss_table);
 }

 static int xgbe_get_rxfh(struct net_device *netdev, u32 *indir, u8 *key,
 			 u8 *hfunc)
 {
 	struct xgbe_prv_data *pdata = netdev_priv(netdev);
 	unsigned int i;

 	if (indir) {
 		for (i = 0; i < ARRAY_SIZE(pdata->rss_table); i++)
 			indir[i] = XGMAC_GET_BITS(pdata->rss_table[i],
 						  MAC_RSSDR, DMCH);
 	}

 	if (key)
 		memcpy(key, pdata->rss_key, sizeof(pdata->rss_key));

 	if (hfunc)
 		*hfunc = ETH_RSS_HASH_TOP;

 	return 0;
 }

 static int xgbe_set_rxfh(struct net_device *netdev, const u32 *indir,
 			 const u8 *key, const u8 hfunc)
 {
 	struct xgbe_prv_data *pdata = netdev_priv(netdev);
 	struct xgbe_hw_if *hw_if = &pdata->hw_if;
 	unsigned int ret;

 	if (hfunc != ETH_RSS_HASH_NO_CHANGE && hfunc != ETH_RSS_HASH_TOP) {
 		netdev_err(netdev, "unsupported hash function\n");
 		return -EOPNOTSUPP;
 	}

 	if (indir) {
 		ret = hw_if->set_rss_lookup_table(pdata, indir);
 		if (ret)
 			return ret;
 	}

 	if (key) {
 		ret = hw_if->set_rss_hash_key(pdata, key);
 		if (ret)
 			return ret;
 	}

 	return 0;
 }

 static int xgbe_get_ts_info(struct net_device *netdev,
 			    struct ethtool_ts_info *ts_info)
 {
 	struct xgbe_prv_data *pdata = netdev_priv(netdev);

 	ts_info->so_timestamping = SOF_TIMESTAMPING_TX_SOFTWARE |
 				   SOF_TIMESTAMPING_RX_SOFTWARE |
 				   SOF_TIMESTAMPING_SOFTWARE |
 				   SOF_TIMESTAMPING_TX_HARDWARE |
 				   SOF_TIMESTAMPING_RX_HARDWARE |
 				   SOF_TIMESTAMPING_RAW_HARDWARE;

 	if (pdata->ptp_clock)
 		ts_info->phc_index = ptp_clock_index(pdata->ptp_clock);
 	else
 		ts_info->phc_index = -1;

 	ts_info->tx_types = (1 << HWTSTAMP_TX_OFF) | (1 << HWTSTAMP_TX_ON);
 	ts_info->rx_filters = (1 << HWTSTAMP_FILTER_NONE) |
 			      (1 << HWTSTAMP_FILTER_PTP_V1_L4_EVENT) |
 			      (1 << HWTSTAMP_FILTER_PTP_V1_L4_SYNC) |
 			      (1 << HWTSTAMP_FILTER_PTP_V1_L4_DELAY_REQ) |
 			      (1 << HWTSTAMP_FILTER_PTP_V2_L4_EVENT) |
 			      (1 << HWTSTAMP_FILTER_PTP_V2_L4_SYNC) |
 			      (1 << HWTSTAMP_FILTER_PTP_V2_L4_DELAY_REQ) |
 			      (1 << HWTSTAMP_FILTER_PTP_V2_EVENT) |
 			      (1 << HWTSTAMP_FILTER_PTP_V2_SYNC) |
 			      (1 << HWTSTAMP_FILTER_PTP_V2_DELAY_REQ) |
 			      (1 << HWTSTAMP_FILTER_ALL);

 	return 0;
 }

 static const struct ethtool_ops xgbe_ethtool_ops = {
 	.get_settings = xgbe_get_settings,
 	.set_settings = xgbe_set_settings,
 	.get_drvinfo = xgbe_get_drvinfo,
 	.get_msglevel = xgbe_get_msglevel,
 	.set_msglevel = xgbe_set_msglevel,
 	.get_link = ethtool_op_get_link,
 	.get_coalesce = xgbe_get_coalesce,
 	.set_coalesce = xgbe_set_coalesce,
 	.get_pauseparam = xgbe_get_pauseparam,
 	.set_pauseparam = xgbe_set_pauseparam,
 	.get_strings = xgbe_get_strings,
 	.get_ethtool_stats = xgbe_get_ethtool_stats,
 	.get_sset_count = xgbe_get_sset_count,
 	.get_rxnfc = xgbe_get_rxnfc,
 	.get_rxfh_key_size = xgbe_get_rxfh_key_size,
 	.get_rxfh_indir_size = xgbe_get_rxfh_indir_size,
 	.get_rxfh = xgbe_get_rxfh,
 	.set_rxfh = xgbe_set_rxfh,
 	.get_ts_info = xgbe_get_ts_info,
 };

 struct ethtool_ops *xgbe_get_ethtool_ops(void)
 {
 	return (struct ethtool_ops *)&xgbe_ethtool_ops;
 }
	/*
	* AMD 10Gb Ethernet driver
	*
	* This file is available to you under your choice of the following two
	* licenses:
	*
	* License 1: GPLv2
	*
	* Copyright (c) 2014 Advanced Micro Devices, Inc.
	*
	* This file is free software; you may copy, redistribute and/or modify
	* it under the terms of the GNU General Public License as published by
	* the Free Software Foundation, either version 2 of the License, or (at
	* your option) any later version.
	*
	* This file is distributed in the hope that it will be useful, but
	* WITHOUT ANY WARRANTY; without even the implied warranty of
	* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
	* General Public License for more details.
	*
	* You should have received a copy of the GNU General Public License
	* along with this program. If not, see <http://www.gnu.org/licenses/>.
	*
	* This file incorporates work covered by the following copyright and
	* permission notice:
	* The Synopsys DWC ETHER XGMAC Software Driver and documentation
	* (hereinafter "Software") is an unsupported proprietary work of Synopsys,
	* Inc. unless otherwise expressly agreed to in writing between Synopsys
	* and you.
	*
	* The Software IS NOT an item of Licensed Software or Licensed Product
	* under any End User Software License Agreement or Agreement for Licensed
	* Product with Synopsys or any supplement thereto. Permission is hereby
	* granted, free of charge, to any person obtaining a copy of this software
	* annotated with this license and the Software, to deal in the Software
	* without restriction, including without limitation the rights to use,
	* copy, modify, merge, publish, distribute, sublicense, and/or sell copies
	* of the Software, and to permit persons to whom the Software is furnished
	* to do so, subject to the following conditions:
	*
	* The above copyright notice and this permission notice shall be included
	* in all copies or substantial portions of the Software.
	*
	* THIS SOFTWARE IS BEING DISTRIBUTED BY SYNOPSYS SOLELY ON AN "AS IS"
	* BASIS AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
	* TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A
	* PARTICULAR PURPOSE ARE HEREBY DISCLAIMED. IN NO EVENT SHALL SYNOPSYS
	* BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
	* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
	* SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
	* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
	* CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
	* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF
	* THE POSSIBILITY OF SUCH DAMAGE.
	*
	*
	* License 2: Modified BSD
	*
	* Copyright (c) 2014 Advanced Micro Devices, Inc.
	* All rights reserved.
	*
	* Redistribution and use in source and binary forms, with or without
	* modification, are permitted provided that the following conditions are met:
	* * Redistributions of source code must retain the above copyright
	* notice, this list of conditions and the following disclaimer.
	* * Redistributions in binary form must reproduce the above copyright
	* notice, this list of conditions and the following disclaimer in the
	* documentation and/or other materials provided with the distribution.
	* * Neither the name of Advanced Micro Devices, Inc. nor the
	* names of its contributors may be used to endorse or promote products
	* derived from this software without specific prior written permission.
	*
	* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
	* AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
	* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
	* ARE DISCLAIMED. IN NO EVENT SHALL <COPYRIGHT HOLDER> BE LIABLE FOR ANY
	* DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
	* (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
	* LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
	* ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
	* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
	* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
	*
	* This file incorporates work covered by the following copyright and
	* permission notice:
	* The Synopsys DWC ETHER XGMAC Software Driver and documentation
	* (hereinafter "Software") is an unsupported proprietary work of Synopsys,
	* Inc. unless otherwise expressly agreed to in writing between Synopsys
	* and you.
	*
	* The Software IS NOT an item of Licensed Software or Licensed Product
	* under any End User Software License Agreement or Agreement for Licensed
	* Product with Synopsys or any supplement thereto. Permission is hereby
	* granted, free of charge, to any person obtaining a copy of this software
	* annotated with this license and the Software, to deal in the Software
	* without restriction, including without limitation the rights to use,
	* copy, modify, merge, publish, distribute, sublicense, and/or sell copies
	* of the Software, and to permit persons to whom the Software is furnished
	* to do so, subject to the following conditions:
	*
	* The above copyright notice and this permission notice shall be included
	* in all copies or substantial portions of the Software.
	*
	* THIS SOFTWARE IS BEING DISTRIBUTED BY SYNOPSYS SOLELY ON AN "AS IS"
	* BASIS AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
	* TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A
	* PARTICULAR PURPOSE ARE HEREBY DISCLAIMED. IN NO EVENT SHALL SYNOPSYS
	* BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
	* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
	* SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
	* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
	* CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
	* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF
	* THE POSSIBILITY OF SUCH DAMAGE.
	*/

	#include <linux/spinlock.h>
	#include <linux/phy.h>
	#include <linux/net_tstamp.h>

	#include "xgbe.h"
	#include "xgbe-common.h"

	struct xgbe_stats {
	char stat_string[ETH_GSTRING_LEN];
	int stat_size;
	int stat_offset;
	};

	#define XGMAC_MMC_STAT(_string, _var) \
	{ _string, \
	FIELD_SIZEOF(struct xgbe_mmc_stats, _var), \
	offsetof(struct xgbe_prv_data, mmc_stats._var), \
	}

	#define XGMAC_EXT_STAT(_string, _var) \
	{ _string, \
	FIELD_SIZEOF(struct xgbe_ext_stats, _var), \
	offsetof(struct xgbe_prv_data, ext_stats._var), \
	}

	static const struct xgbe_stats xgbe_gstring_stats[] = {
	XGMAC_MMC_STAT("tx_bytes", txoctetcount_gb),
	XGMAC_MMC_STAT("tx_packets", txframecount_gb),
	XGMAC_MMC_STAT("tx_unicast_packets", txunicastframes_gb),
	XGMAC_MMC_STAT("tx_broadcast_packets", txbroadcastframes_gb),
	XGMAC_MMC_STAT("tx_multicast_packets", txmulticastframes_gb),
	XGMAC_MMC_STAT("tx_vlan_packets", txvlanframes_g),
	XGMAC_EXT_STAT("tx_tso_packets", tx_tso_packets),
	XGMAC_MMC_STAT("tx_64_byte_packets", tx64octets_gb),
	XGMAC_MMC_STAT("tx_65_to_127_byte_packets", tx65to127octets_gb),
	XGMAC_MMC_STAT("tx_128_to_255_byte_packets", tx128to255octets_gb),
	XGMAC_MMC_STAT("tx_256_to_511_byte_packets", tx256to511octets_gb),
	XGMAC_MMC_STAT("tx_512_to_1023_byte_packets", tx512to1023octets_gb),
	XGMAC_MMC_STAT("tx_1024_to_max_byte_packets", tx1024tomaxoctets_gb),
	XGMAC_MMC_STAT("tx_underflow_errors", txunderflowerror),
	XGMAC_MMC_STAT("tx_pause_frames", txpauseframes),

	XGMAC_MMC_STAT("rx_bytes", rxoctetcount_gb),
	XGMAC_MMC_STAT("rx_packets", rxframecount_gb),
	XGMAC_MMC_STAT("rx_unicast_packets", rxunicastframes_g),
	XGMAC_MMC_STAT("rx_broadcast_packets", rxbroadcastframes_g),
	XGMAC_MMC_STAT("rx_multicast_packets", rxmulticastframes_g),
	XGMAC_MMC_STAT("rx_vlan_packets", rxvlanframes_gb),
	XGMAC_MMC_STAT("rx_64_byte_packets", rx64octets_gb),
	XGMAC_MMC_STAT("rx_65_to_127_byte_packets", rx65to127octets_gb),
	XGMAC_MMC_STAT("rx_128_to_255_byte_packets", rx128to255octets_gb),
	XGMAC_MMC_STAT("rx_256_to_511_byte_packets", rx256to511octets_gb),
	XGMAC_MMC_STAT("rx_512_to_1023_byte_packets", rx512to1023octets_gb),
	XGMAC_MMC_STAT("rx_1024_to_max_byte_packets", rx1024tomaxoctets_gb),
	XGMAC_MMC_STAT("rx_undersize_packets", rxundersize_g),
	XGMAC_MMC_STAT("rx_oversize_packets", rxoversize_g),
	XGMAC_MMC_STAT("rx_crc_errors", rxcrcerror),
	XGMAC_MMC_STAT("rx_crc_errors_small_packets", rxrunterror),
	XGMAC_MMC_STAT("rx_crc_errors_giant_packets", rxjabbererror),
	XGMAC_MMC_STAT("rx_length_errors", rxlengtherror),
	XGMAC_MMC_STAT("rx_out_of_range_errors", rxoutofrangetype),
	XGMAC_MMC_STAT("rx_fifo_overflow_errors", rxfifooverflow),
	XGMAC_MMC_STAT("rx_watchdog_errors", rxwatchdogerror),
	XGMAC_MMC_STAT("rx_pause_frames", rxpauseframes),
	XGMAC_EXT_STAT("rx_split_header_packets", rx_split_header_packets),
	XGMAC_EXT_STAT("rx_buffer_unavailable", rx_buffer_unavailable),
	};

	#define XGBE_STATS_COUNT ARRAY_SIZE(xgbe_gstring_stats)

	static void xgbe_get_strings(struct net_device netdev, u32 stringset, u8 data)
	{
	int i;

	switch (stringset) {
	case ETH_SS_STATS:
	for (i = 0; i < XGBE_STATS_COUNT; i++) {
	memcpy(data, xgbe_gstring_stats[i].stat_string,
	ETH_GSTRING_LEN);
	data += ETH_GSTRING_LEN;
	}
	break;
	}
	}

	static void xgbe_get_ethtool_stats(struct net_device *netdev,
	struct ethtool_stats stats, u64 data)
	{
	struct xgbe_prv_data *pdata = netdev_priv(netdev);
	u8 *stat;
	int i;

	pdata->hw_if.read_mmc_stats(pdata);
	for (i = 0; i < XGBE_STATS_COUNT; i++) {
	stat = (u8 *)pdata + xgbe_gstring_stats[i].stat_offset;
	data++ = (u64 *)stat;
	}
	}

	static int xgbe_get_sset_count(struct net_device *netdev, int stringset)
	{
	int ret;

	switch (stringset) {
	case ETH_SS_STATS:
	ret = XGBE_STATS_COUNT;
	break;

	default:
	ret = -EOPNOTSUPP;
	}

	return ret;
	}

	static void xgbe_get_pauseparam(struct net_device *netdev,
	struct ethtool_pauseparam *pause)
	{
	struct xgbe_prv_data *pdata = netdev_priv(netdev);

	pause->autoneg = pdata->phy.pause_autoneg;
	pause->tx_pause = pdata->phy.tx_pause;
	pause->rx_pause = pdata->phy.rx_pause;
	}

	static int xgbe_set_pauseparam(struct net_device *netdev,
	struct ethtool_pauseparam *pause)
	{
	struct xgbe_prv_data *pdata = netdev_priv(netdev);
	int ret = 0;

	if (pause->autoneg && (pdata->phy.autoneg != AUTONEG_ENABLE)) {
	netdev_err(netdev,
	"autoneg disabled, pause autoneg not avialable\n");
	return -EINVAL;
	}

	pdata->phy.pause_autoneg = pause->autoneg;
	pdata->phy.tx_pause = pause->tx_pause;
	pdata->phy.rx_pause = pause->rx_pause;

	pdata->phy.advertising &= ~ADVERTISED_Pause;
	pdata->phy.advertising &= ~ADVERTISED_Asym_Pause;

	if (pause->rx_pause) {
	pdata->phy.advertising \|= ADVERTISED_Pause;
	pdata->phy.advertising \|= ADVERTISED_Asym_Pause;
	}

	if (pause->tx_pause)
	pdata->phy.advertising ^= ADVERTISED_Asym_Pause;

	if (netif_running(netdev))
	ret = pdata->phy_if.phy_config_aneg(pdata);

	return ret;
	}

	static int xgbe_get_settings(struct net_device *netdev,
	struct ethtool_cmd *cmd)
	{
	struct xgbe_prv_data *pdata = netdev_priv(netdev);

	cmd->phy_address = pdata->phy.address;

	cmd->supported = pdata->phy.supported;
	cmd->advertising = pdata->phy.advertising;
	cmd->lp_advertising = pdata->phy.lp_advertising;

	cmd->autoneg = pdata->phy.autoneg;
	ethtool_cmd_speed_set(cmd, pdata->phy.speed);
	cmd->duplex = pdata->phy.duplex;

	cmd->port = PORT_NONE;
	cmd->transceiver = XCVR_INTERNAL;

	return 0;
	}

	static int xgbe_set_settings(struct net_device *netdev,
	struct ethtool_cmd *cmd)
	{
	struct xgbe_prv_data *pdata = netdev_priv(netdev);
	u32 speed;
	int ret;

	speed = ethtool_cmd_speed(cmd);

	if (cmd->phy_address != pdata->phy.address) {
	netdev_err(netdev, "invalid phy address %hhu\n",
	cmd->phy_address);
	return -EINVAL;
	}

	if ((cmd->autoneg != AUTONEG_ENABLE) &&
	(cmd->autoneg != AUTONEG_DISABLE)) {
	netdev_err(netdev, "unsupported autoneg %hhu\n",
	cmd->autoneg);
	return -EINVAL;
	}

	if (cmd->autoneg == AUTONEG_DISABLE) {
	switch (speed) {
	case SPEED_10000:
	case SPEED_2500:
	case SPEED_1000:
	break;
	default:
	netdev_err(netdev, "unsupported speed %u\n", speed);
	return -EINVAL;
	}

	if (cmd->duplex != DUPLEX_FULL) {
	netdev_err(netdev, "unsupported duplex %hhu\n",
	cmd->duplex);
	return -EINVAL;
	}
	}

	netif_dbg(pdata, link, netdev,
	"requested advertisement %#x, phy supported %#x\n",
	cmd->advertising, pdata->phy.supported);

	cmd->advertising &= pdata->phy.supported;
	if ((cmd->autoneg == AUTONEG_ENABLE) && !cmd->advertising) {
	netdev_err(netdev,
	"unsupported requested advertisement\n");
	return -EINVAL;
	}

	ret = 0;
	pdata->phy.autoneg = cmd->autoneg;
	pdata->phy.speed = speed;
	pdata->phy.duplex = cmd->duplex;
	pdata->phy.advertising = cmd->advertising;

	if (cmd->autoneg == AUTONEG_ENABLE)
	pdata->phy.advertising \|= ADVERTISED_Autoneg;
	else
	pdata->phy.advertising &= ~ADVERTISED_Autoneg;

	if (netif_running(netdev))
	ret = pdata->phy_if.phy_config_aneg(pdata);

	return ret;
	}

	static void xgbe_get_drvinfo(struct net_device *netdev,
	struct ethtool_drvinfo *drvinfo)
	{
	struct xgbe_prv_data *pdata = netdev_priv(netdev);
	struct xgbe_hw_features *hw_feat = &pdata->hw_feat;

	strlcpy(drvinfo->driver, XGBE_DRV_NAME, sizeof(drvinfo->driver));
	strlcpy(drvinfo->version, XGBE_DRV_VERSION, sizeof(drvinfo->version));
	strlcpy(drvinfo->bus_info, dev_name(pdata->dev),
	sizeof(drvinfo->bus_info));
	snprintf(drvinfo->fw_version, sizeof(drvinfo->fw_version), "%d.%d.%d",
	XGMAC_GET_BITS(hw_feat->version, MAC_VR, USERVER),
	XGMAC_GET_BITS(hw_feat->version, MAC_VR, DEVID),
	XGMAC_GET_BITS(hw_feat->version, MAC_VR, SNPSVER));
	}

	static u32 xgbe_get_msglevel(struct net_device *netdev)
	{
	struct xgbe_prv_data *pdata = netdev_priv(netdev);

	return pdata->msg_enable;
	}

	static void xgbe_set_msglevel(struct net_device *netdev, u32 msglevel)
	{
	struct xgbe_prv_data *pdata = netdev_priv(netdev);

	pdata->msg_enable = msglevel;
	}

	static int xgbe_get_coalesce(struct net_device *netdev,
	struct ethtool_coalesce *ec)
	{
	struct xgbe_prv_data *pdata = netdev_priv(netdev);

	memset(ec, 0, sizeof(struct ethtool_coalesce));

	ec->rx_coalesce_usecs = pdata->rx_usecs;
	ec->rx_max_coalesced_frames = pdata->rx_frames;

	ec->tx_max_coalesced_frames = pdata->tx_frames;

	return 0;
	}

	static int xgbe_set_coalesce(struct net_device *netdev,
	struct ethtool_coalesce *ec)
	{
	struct xgbe_prv_data *pdata = netdev_priv(netdev);
	struct xgbe_hw_if *hw_if = &pdata->hw_if;
	unsigned int rx_frames, rx_riwt, rx_usecs;
	unsigned int tx_frames;

	/* Check for not supported parameters */
	if ((ec->rx_coalesce_usecs_irq) \|\|
	(ec->rx_max_coalesced_frames_irq) \|\|
	(ec->tx_coalesce_usecs) \|\|
	(ec->tx_coalesce_usecs_irq) \|\|
	(ec->tx_max_coalesced_frames_irq) \|\|
	(ec->stats_block_coalesce_usecs) \|\|
	(ec->use_adaptive_rx_coalesce) \|\|
	(ec->use_adaptive_tx_coalesce) \|\|
	(ec->pkt_rate_low) \|\|
	(ec->rx_coalesce_usecs_low) \|\|
	(ec->rx_max_coalesced_frames_low) \|\|
	(ec->tx_coalesce_usecs_low) \|\|
	(ec->tx_max_coalesced_frames_low) \|\|
	(ec->pkt_rate_high) \|\|
	(ec->rx_coalesce_usecs_high) \|\|
	(ec->rx_max_coalesced_frames_high) \|\|
	(ec->tx_coalesce_usecs_high) \|\|
	(ec->tx_max_coalesced_frames_high) \|\|
	(ec->rate_sample_interval)) {
	netdev_err(netdev, "unsupported coalescing parameter\n");
	return -EOPNOTSUPP;
	}

	rx_riwt = hw_if->usec_to_riwt(pdata, ec->rx_coalesce_usecs);
	rx_usecs = ec->rx_coalesce_usecs;
	rx_frames = ec->rx_max_coalesced_frames;

	/* Use smallest possible value if conversion resulted in zero */
	if (rx_usecs && !rx_riwt)
	rx_riwt = 1;

	/* Check the bounds of values for Rx */
	if (rx_riwt > XGMAC_MAX_DMA_RIWT) {
	netdev_err(netdev, "rx-usec is limited to %d usecs\n",
	hw_if->riwt_to_usec(pdata, XGMAC_MAX_DMA_RIWT));
	return -EINVAL;
	}
	if (rx_frames > pdata->rx_desc_count) {
	netdev_err(netdev, "rx-frames is limited to %d frames\n",
	pdata->rx_desc_count);
	return -EINVAL;
	}

	tx_frames = ec->tx_max_coalesced_frames;

	/* Check the bounds of values for Tx */
	if (tx_frames > pdata->tx_desc_count) {
	netdev_err(netdev, "tx-frames is limited to %d frames\n",
	pdata->tx_desc_count);
	return -EINVAL;
	}

	pdata->rx_riwt = rx_riwt;
	pdata->rx_usecs = rx_usecs;
	pdata->rx_frames = rx_frames;
	hw_if->config_rx_coalesce(pdata);

	pdata->tx_frames = tx_frames;
	hw_if->config_tx_coalesce(pdata);

	return 0;
	}

	static int xgbe_get_rxnfc(struct net_device *netdev,
	struct ethtool_rxnfc rxnfc, u32 rule_locs)
	{
	struct xgbe_prv_data *pdata = netdev_priv(netdev);

	switch (rxnfc->cmd) {
	case ETHTOOL_GRXRINGS:
	rxnfc->data = pdata->rx_ring_count;
	break;
	default:
	return -EOPNOTSUPP;
	}

	return 0;
	}

	static u32 xgbe_get_rxfh_key_size(struct net_device *netdev)
	{
	struct xgbe_prv_data *pdata = netdev_priv(netdev);

	return sizeof(pdata->rss_key);
	}

	static u32 xgbe_get_rxfh_indir_size(struct net_device *netdev)
	{
	struct xgbe_prv_data *pdata = netdev_priv(netdev);

	return ARRAY_SIZE(pdata->rss_table);
	}

	static int xgbe_get_rxfh(struct net_device netdev, u32 indir, u8 *key,
	u8 *hfunc)
	{
	struct xgbe_prv_data *pdata = netdev_priv(netdev);
	unsigned int i;

	if (indir) {
	for (i = 0; i < ARRAY_SIZE(pdata->rss_table); i++)
	indir[i] = XGMAC_GET_BITS(pdata->rss_table[i],
	MAC_RSSDR, DMCH);
	}

	if (key)
	memcpy(key, pdata->rss_key, sizeof(pdata->rss_key));

	if (hfunc)
	*hfunc = ETH_RSS_HASH_TOP;

	return 0;
	}

	static int xgbe_set_rxfh(struct net_device netdev, const u32 indir,
	const u8 *key, const u8 hfunc)
	{
	struct xgbe_prv_data *pdata = netdev_priv(netdev);
	struct xgbe_hw_if *hw_if = &pdata->hw_if;
	unsigned int ret;

	if (hfunc != ETH_RSS_HASH_NO_CHANGE && hfunc != ETH_RSS_HASH_TOP) {
	netdev_err(netdev, "unsupported hash function\n");
	return -EOPNOTSUPP;
	}

	if (indir) {
	ret = hw_if->set_rss_lookup_table(pdata, indir);
	if (ret)
	return ret;
	}

	if (key) {
	ret = hw_if->set_rss_hash_key(pdata, key);
	if (ret)
	return ret;
	}

	return 0;
	}

	static int xgbe_get_ts_info(struct net_device *netdev,
	struct ethtool_ts_info *ts_info)
	{
	struct xgbe_prv_data *pdata = netdev_priv(netdev);

	ts_info->so_timestamping = SOF_TIMESTAMPING_TX_SOFTWARE \|
	SOF_TIMESTAMPING_RX_SOFTWARE \|
	SOF_TIMESTAMPING_SOFTWARE \|
	SOF_TIMESTAMPING_TX_HARDWARE \|
	SOF_TIMESTAMPING_RX_HARDWARE \|
	SOF_TIMESTAMPING_RAW_HARDWARE;

	if (pdata->ptp_clock)
	ts_info->phc_index = ptp_clock_index(pdata->ptp_clock);
	else
	ts_info->phc_index = -1;

	ts_info->tx_types = (1 << HWTSTAMP_TX_OFF) \| (1 << HWTSTAMP_TX_ON);
	ts_info->rx_filters = (1 << HWTSTAMP_FILTER_NONE) \|
	(1 << HWTSTAMP_FILTER_PTP_V1_L4_EVENT) \|
	(1 << HWTSTAMP_FILTER_PTP_V1_L4_SYNC) \|
	(1 << HWTSTAMP_FILTER_PTP_V1_L4_DELAY_REQ) \|
	(1 << HWTSTAMP_FILTER_PTP_V2_L4_EVENT) \|
	(1 << HWTSTAMP_FILTER_PTP_V2_L4_SYNC) \|
	(1 << HWTSTAMP_FILTER_PTP_V2_L4_DELAY_REQ) \|
	(1 << HWTSTAMP_FILTER_PTP_V2_EVENT) \|
	(1 << HWTSTAMP_FILTER_PTP_V2_SYNC) \|
	(1 << HWTSTAMP_FILTER_PTP_V2_DELAY_REQ) \|
	(1 << HWTSTAMP_FILTER_ALL);

	return 0;
	}

	static const struct ethtool_ops xgbe_ethtool_ops = {
	.get_settings = xgbe_get_settings,
	.set_settings = xgbe_set_settings,
	.get_drvinfo = xgbe_get_drvinfo,
	.get_msglevel = xgbe_get_msglevel,
	.set_msglevel = xgbe_set_msglevel,
	.get_link = ethtool_op_get_link,
	.get_coalesce = xgbe_get_coalesce,
	.set_coalesce = xgbe_set_coalesce,
	.get_pauseparam = xgbe_get_pauseparam,
	.set_pauseparam = xgbe_set_pauseparam,
	.get_strings = xgbe_get_strings,
	.get_ethtool_stats = xgbe_get_ethtool_stats,
	.get_sset_count = xgbe_get_sset_count,
	.get_rxnfc = xgbe_get_rxnfc,
	.get_rxfh_key_size = xgbe_get_rxfh_key_size,
	.get_rxfh_indir_size = xgbe_get_rxfh_indir_size,
	.get_rxfh = xgbe_get_rxfh,
	.set_rxfh = xgbe_set_rxfh,
	.get_ts_info = xgbe_get_ts_info,
	};

	struct ethtool_ops *xgbe_get_ethtool_ops(void)
	{
	return (struct ethtool_ops *)&xgbe_ethtool_ops;
	}