Adding upstream version 6.1.76.upstream/6.1.76

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>

1 files changed, 860 insertions, 0 deletions

diff --git a/drivers/net/ethernet/amd/xgbe/xgbe-ethtool.c b/drivers/net/ethernet/amd/xgbe/xgbe-ethtool.c
new file mode 100644
index 000000000..32fab5e77
--- /dev/null
+++ b/drivers/net/ethernet/amd/xgbe/xgbe-ethtool.c
@@ -0,0 +1,860 @@
+/*
+ * AMD 10Gb Ethernet driver
+ *
+ * This file is available to you under your choice of the following two
+ * licenses:
+ *
+ * License 1: GPLv2
+ *
+ * Copyright (c) 2014-2016 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) 2014-2016 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,						\
+	  sizeof_field(struct xgbe_mmc_stats, _var),		\
+	  offsetof(struct xgbe_prv_data, mmc_stats._var),	\
+	}
+
+#define XGMAC_EXT_STAT(_string, _var)				\
+	{ _string,						\
+	  sizeof_field(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_vxlan_packets", tx_vxlan_packets),
+	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_EXT_STAT("rx_vxlan_packets", rx_vxlan_packets),
+	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_EXT_STAT("rx_csum_errors", rx_csum_errors),
+	XGMAC_EXT_STAT("rx_vxlan_csum_errors", rx_vxlan_csum_errors),
+	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)
+{
+	struct xgbe_prv_data *pdata = netdev_priv(netdev);
+	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;
+		}
+		for (i = 0; i < pdata->tx_ring_count; i++) {
+			sprintf(data, "txq_%u_packets", i);
+			data += ETH_GSTRING_LEN;
+			sprintf(data, "txq_%u_bytes", i);
+			data += ETH_GSTRING_LEN;
+		}
+		for (i = 0; i < pdata->rx_ring_count; i++) {
+			sprintf(data, "rxq_%u_packets", i);
+			data += ETH_GSTRING_LEN;
+			sprintf(data, "rxq_%u_bytes", i);
+			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;
+	}
+	for (i = 0; i < pdata->tx_ring_count; i++) {
+		*data++ = pdata->ext_stats.txq_packets[i];
+		*data++ = pdata->ext_stats.txq_bytes[i];
+	}
+	for (i = 0; i < pdata->rx_ring_count; i++) {
+		*data++ = pdata->ext_stats.rxq_packets[i];
+		*data++ = pdata->ext_stats.rxq_bytes[i];
+	}
+}
+
+static int xgbe_get_sset_count(struct net_device *netdev, int stringset)
+{
+	struct xgbe_prv_data *pdata = netdev_priv(netdev);
+	int ret;
+
+	switch (stringset) {
+	case ETH_SS_STATS:
+		ret = XGBE_STATS_COUNT +
+		      (pdata->tx_ring_count * 2) +
+		      (pdata->rx_ring_count * 2);
+		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);
+	struct ethtool_link_ksettings *lks = &pdata->phy.lks;
+	int ret = 0;
+
+	if (pause->autoneg && (pdata->phy.autoneg != AUTONEG_ENABLE)) {
+		netdev_err(netdev,
+			   "autoneg disabled, pause autoneg not available\n");
+		return -EINVAL;
+	}
+
+	pdata->phy.pause_autoneg = pause->autoneg;
+	pdata->phy.tx_pause = pause->tx_pause;
+	pdata->phy.rx_pause = pause->rx_pause;
+
+	XGBE_CLR_ADV(lks, Pause);
+	XGBE_CLR_ADV(lks, Asym_Pause);
+
+	if (pause->rx_pause) {
+		XGBE_SET_ADV(lks, Pause);
+		XGBE_SET_ADV(lks, Asym_Pause);
+	}
+
+	if (pause->tx_pause) {
+		/* Equivalent to XOR of Asym_Pause */
+		if (XGBE_ADV(lks, Asym_Pause))
+			XGBE_CLR_ADV(lks, Asym_Pause);
+		else
+			XGBE_SET_ADV(lks, Asym_Pause);
+	}
+
+	if (netif_running(netdev))
+		ret = pdata->phy_if.phy_config_aneg(pdata);
+
+	return ret;
+}
+
+static int xgbe_get_link_ksettings(struct net_device *netdev,
+				   struct ethtool_link_ksettings *cmd)
+{
+	struct xgbe_prv_data *pdata = netdev_priv(netdev);
+	struct ethtool_link_ksettings *lks = &pdata->phy.lks;
+
+	cmd->base.phy_address = pdata->phy.address;
+
+	if (netif_carrier_ok(netdev)) {
+		cmd->base.speed = pdata->phy.speed;
+		cmd->base.duplex = pdata->phy.duplex;
+	} else {
+		cmd->base.speed = SPEED_UNKNOWN;
+		cmd->base.duplex = DUPLEX_UNKNOWN;
+	}
+
+	cmd->base.autoneg = pdata->phy.autoneg;
+	cmd->base.port = PORT_NONE;
+
+	XGBE_LM_COPY(cmd, supported, lks, supported);
+	XGBE_LM_COPY(cmd, advertising, lks, advertising);
+	XGBE_LM_COPY(cmd, lp_advertising, lks, lp_advertising);
+
+	return 0;
+}
+
+static int xgbe_set_link_ksettings(struct net_device *netdev,
+				   const struct ethtool_link_ksettings *cmd)
+{
+	struct xgbe_prv_data *pdata = netdev_priv(netdev);
+	struct ethtool_link_ksettings *lks = &pdata->phy.lks;
+	__ETHTOOL_DECLARE_LINK_MODE_MASK(advertising);
+	u32 speed;
+	int ret;
+
+	speed = cmd->base.speed;
+
+	if (cmd->base.phy_address != pdata->phy.address) {
+		netdev_err(netdev, "invalid phy address %hhu\n",
+			   cmd->base.phy_address);
+		return -EINVAL;
+	}
+
+	if ((cmd->base.autoneg != AUTONEG_ENABLE) &&
+	    (cmd->base.autoneg != AUTONEG_DISABLE)) {
+		netdev_err(netdev, "unsupported autoneg %hhu\n",
+			   cmd->base.autoneg);
+		return -EINVAL;
+	}
+
+	if (cmd->base.autoneg == AUTONEG_DISABLE) {
+		if (!pdata->phy_if.phy_valid_speed(pdata, speed)) {
+			netdev_err(netdev, "unsupported speed %u\n", speed);
+			return -EINVAL;
+		}
+
+		if (cmd->base.duplex != DUPLEX_FULL) {
+			netdev_err(netdev, "unsupported duplex %hhu\n",
+				   cmd->base.duplex);
+			return -EINVAL;
+		}
+	}
+
+	netif_dbg(pdata, link, netdev,
+		  "requested advertisement 0x%*pb, phy supported 0x%*pb\n",
+		  __ETHTOOL_LINK_MODE_MASK_NBITS, cmd->link_modes.advertising,
+		  __ETHTOOL_LINK_MODE_MASK_NBITS, lks->link_modes.supported);
+
+	linkmode_and(advertising, cmd->link_modes.advertising,
+		     lks->link_modes.supported);
+
+	if ((cmd->base.autoneg == AUTONEG_ENABLE) &&
+	    bitmap_empty(advertising, __ETHTOOL_LINK_MODE_MASK_NBITS)) {
+		netdev_err(netdev,
+			   "unsupported requested advertisement\n");
+		return -EINVAL;
+	}
+
+	ret = 0;
+	pdata->phy.autoneg = cmd->base.autoneg;
+	pdata->phy.speed = speed;
+	pdata->phy.duplex = cmd->base.duplex;
+	linkmode_copy(lks->link_modes.advertising, advertising);
+
+	if (cmd->base.autoneg == AUTONEG_ENABLE)
+		XGBE_SET_ADV(lks, Autoneg);
+	else
+		XGBE_CLR_ADV(lks, 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;
+
+	strscpy(drvinfo->driver, XGBE_DRV_NAME, sizeof(drvinfo->driver));
+	strscpy(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 kernel_ethtool_coalesce *kernel_coal,
+			     struct netlink_ext_ack *extack)
+{
+	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 kernel_ethtool_coalesce *kernel_coal,
+			     struct netlink_ext_ack *extack)
+{
+	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;
+
+	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 int xgbe_get_module_info(struct net_device *netdev,
+				struct ethtool_modinfo *modinfo)
+{
+	struct xgbe_prv_data *pdata = netdev_priv(netdev);
+
+	return pdata->phy_if.module_info(pdata, modinfo);
+}
+
+static int xgbe_get_module_eeprom(struct net_device *netdev,
+				  struct ethtool_eeprom *eeprom, u8 *data)
+{
+	struct xgbe_prv_data *pdata = netdev_priv(netdev);
+
+	return pdata->phy_if.module_eeprom(pdata, eeprom, data);
+}
+
+static void
+xgbe_get_ringparam(struct net_device *netdev,
+		   struct ethtool_ringparam *ringparam,
+		   struct kernel_ethtool_ringparam *kernel_ringparam,
+		   struct netlink_ext_ack *extack)
+{
+	struct xgbe_prv_data *pdata = netdev_priv(netdev);
+
+	ringparam->rx_max_pending = XGBE_RX_DESC_CNT_MAX;
+	ringparam->tx_max_pending = XGBE_TX_DESC_CNT_MAX;
+	ringparam->rx_pending = pdata->rx_desc_count;
+	ringparam->tx_pending = pdata->tx_desc_count;
+}
+
+static int xgbe_set_ringparam(struct net_device *netdev,
+			      struct ethtool_ringparam *ringparam,
+			      struct kernel_ethtool_ringparam *kernel_ringparam,
+			      struct netlink_ext_ack *extack)
+{
+	struct xgbe_prv_data *pdata = netdev_priv(netdev);
+	unsigned int rx, tx;
+
+	if (ringparam->rx_mini_pending || ringparam->rx_jumbo_pending) {
+		netdev_err(netdev, "unsupported ring parameter\n");
+		return -EINVAL;
+	}
+
+	if ((ringparam->rx_pending < XGBE_RX_DESC_CNT_MIN) ||
+	    (ringparam->rx_pending > XGBE_RX_DESC_CNT_MAX)) {
+		netdev_err(netdev,
+			   "rx ring parameter must be between %u and %u\n",
+			   XGBE_RX_DESC_CNT_MIN, XGBE_RX_DESC_CNT_MAX);
+		return -EINVAL;
+	}
+
+	if ((ringparam->tx_pending < XGBE_TX_DESC_CNT_MIN) ||
+	    (ringparam->tx_pending > XGBE_TX_DESC_CNT_MAX)) {
+		netdev_err(netdev,
+			   "tx ring parameter must be between %u and %u\n",
+			   XGBE_TX_DESC_CNT_MIN, XGBE_TX_DESC_CNT_MAX);
+		return -EINVAL;
+	}
+
+	rx = __rounddown_pow_of_two(ringparam->rx_pending);
+	if (rx != ringparam->rx_pending)
+		netdev_notice(netdev,
+			      "rx ring parameter rounded to power of two: %u\n",
+			      rx);
+
+	tx = __rounddown_pow_of_two(ringparam->tx_pending);
+	if (tx != ringparam->tx_pending)
+		netdev_notice(netdev,
+			      "tx ring parameter rounded to power of two: %u\n",
+			      tx);
+
+	if ((rx == pdata->rx_desc_count) &&
+	    (tx == pdata->tx_desc_count))
+		goto out;
+
+	pdata->rx_desc_count = rx;
+	pdata->tx_desc_count = tx;
+
+	xgbe_restart_dev(pdata);
+
+out:
+	return 0;
+}
+
+static void xgbe_get_channels(struct net_device *netdev,
+			      struct ethtool_channels *channels)
+{
+	struct xgbe_prv_data *pdata = netdev_priv(netdev);
+	unsigned int rx, tx, combined;
+
+	/* Calculate maximums allowed:
+	 *   - Take into account the number of available IRQs
+	 *   - Do not take into account the number of online CPUs so that
+	 *     the user can over-subscribe if desired
+	 *   - Tx is additionally limited by the number of hardware queues
+	 */
+	rx = min(pdata->hw_feat.rx_ch_cnt, pdata->rx_max_channel_count);
+	rx = min(rx, pdata->channel_irq_count);
+	tx = min(pdata->hw_feat.tx_ch_cnt, pdata->tx_max_channel_count);
+	tx = min(tx, pdata->channel_irq_count);
+	tx = min(tx, pdata->tx_max_q_count);
+
+	combined = min(rx, tx);
+
+	channels->max_combined = combined;
+	channels->max_rx = rx ? rx - 1 : 0;
+	channels->max_tx = tx ? tx - 1 : 0;
+
+	/* Get current settings based on device state */
+	rx = pdata->new_rx_ring_count ? : pdata->rx_ring_count;
+	tx = pdata->new_tx_ring_count ? : pdata->tx_ring_count;
+
+	combined = min(rx, tx);
+	rx -= combined;
+	tx -= combined;
+
+	channels->combined_count = combined;
+	channels->rx_count = rx;
+	channels->tx_count = tx;
+}
+
+static void xgbe_print_set_channels_input(struct net_device *netdev,
+					  struct ethtool_channels *channels)
+{
+	netdev_err(netdev, "channel inputs: combined=%u, rx-only=%u, tx-only=%u\n",
+		   channels->combined_count, channels->rx_count,
+		   channels->tx_count);
+}
+
+static int xgbe_set_channels(struct net_device *netdev,
+			     struct ethtool_channels *channels)
+{
+	struct xgbe_prv_data *pdata = netdev_priv(netdev);
+	unsigned int rx, rx_curr, tx, tx_curr, combined;
+
+	/* Calculate maximums allowed:
+	 *   - Take into account the number of available IRQs
+	 *   - Do not take into account the number of online CPUs so that
+	 *     the user can over-subscribe if desired
+	 *   - Tx is additionally limited by the number of hardware queues
+	 */
+	rx = min(pdata->hw_feat.rx_ch_cnt, pdata->rx_max_channel_count);
+	rx = min(rx, pdata->channel_irq_count);
+	tx = min(pdata->hw_feat.tx_ch_cnt, pdata->tx_max_channel_count);
+	tx = min(tx, pdata->tx_max_q_count);
+	tx = min(tx, pdata->channel_irq_count);
+
+	combined = min(rx, tx);
+
+	/* Should not be setting other count */
+	if (channels->other_count) {
+		netdev_err(netdev,
+			   "other channel count must be zero\n");
+		return -EINVAL;
+	}
+
+	/* Require at least one Combined (Rx and Tx) channel */
+	if (!channels->combined_count) {
+		netdev_err(netdev,
+			   "at least one combined Rx/Tx channel is required\n");
+		xgbe_print_set_channels_input(netdev, channels);
+		return -EINVAL;
+	}
+
+	/* Check combined channels */
+	if (channels->combined_count > combined) {
+		netdev_err(netdev,
+			   "combined channel count cannot exceed %u\n",
+			   combined);
+		xgbe_print_set_channels_input(netdev, channels);
+		return -EINVAL;
+	}
+
+	/* Can have some Rx-only or Tx-only channels, but not both */
+	if (channels->rx_count && channels->tx_count) {
+		netdev_err(netdev,
+			   "cannot specify both Rx-only and Tx-only channels\n");
+		xgbe_print_set_channels_input(netdev, channels);
+		return -EINVAL;
+	}
+
+	/* Check that we don't exceed the maximum number of channels */
+	if ((channels->combined_count + channels->rx_count) > rx) {
+		netdev_err(netdev,
+			   "total Rx channels (%u) requested exceeds maximum available (%u)\n",
+			   channels->combined_count + channels->rx_count, rx);
+		xgbe_print_set_channels_input(netdev, channels);
+		return -EINVAL;
+	}
+
+	if ((channels->combined_count + channels->tx_count) > tx) {
+		netdev_err(netdev,
+			   "total Tx channels (%u) requested exceeds maximum available (%u)\n",
+			   channels->combined_count + channels->tx_count, tx);
+		xgbe_print_set_channels_input(netdev, channels);
+		return -EINVAL;
+	}
+
+	rx = channels->combined_count + channels->rx_count;
+	tx = channels->combined_count + channels->tx_count;
+
+	rx_curr = pdata->new_rx_ring_count ? : pdata->rx_ring_count;
+	tx_curr = pdata->new_tx_ring_count ? : pdata->tx_ring_count;
+
+	if ((rx == rx_curr) && (tx == tx_curr))
+		goto out;
+
+	pdata->new_rx_ring_count = rx;
+	pdata->new_tx_ring_count = tx;
+
+	xgbe_full_restart_dev(pdata);
+
+out:
+	return 0;
+}
+
+static const struct ethtool_ops xgbe_ethtool_ops = {
+	.supported_coalesce_params = ETHTOOL_COALESCE_RX_USECS |
+				     ETHTOOL_COALESCE_MAX_FRAMES,
+	.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,
+	.get_link_ksettings = xgbe_get_link_ksettings,
+	.set_link_ksettings = xgbe_set_link_ksettings,
+	.get_module_info = xgbe_get_module_info,
+	.get_module_eeprom = xgbe_get_module_eeprom,
+	.get_ringparam = xgbe_get_ringparam,
+	.set_ringparam = xgbe_set_ringparam,
+	.get_channels = xgbe_get_channels,
+	.set_channels = xgbe_set_channels,
+};
+
+const struct ethtool_ops *xgbe_get_ethtool_ops(void)
+{
+	return &xgbe_ethtool_ops;
+}