Adding upstream version 6.1.76.upstream/6.1.76

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

1 files changed, 1354 insertions, 0 deletions

diff --git a/drivers/net/vmxnet3/vmxnet3_ethtool.c b/drivers/net/vmxnet3/vmxnet3_ethtool.c
new file mode 100644
index 000000000..18cf7c723
--- /dev/null
+++ b/drivers/net/vmxnet3/vmxnet3_ethtool.c
@@ -0,0 +1,1354 @@
+/*
+ * Linux driver for VMware's vmxnet3 ethernet NIC.
+ *
+ * Copyright (C) 2008-2022, VMware, Inc. All Rights Reserved.
+ *
+ * This program is free software; you can redistribute it and/or modify it
+ * under the terms of the GNU General Public License as published by the
+ * Free Software Foundation; version 2 of the License and no later version.
+ *
+ * This program is distributed in the hope that it will be useful, but
+ * WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY OR FITNESS FOR A PARTICULAR PURPOSE, GOOD TITLE or
+ * NON INFRINGEMENT.  See the GNU General Public License for more
+ * details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
+ *
+ * The full GNU General Public License is included in this distribution in
+ * the file called "COPYING".
+ *
+ * Maintained by: pv-drivers@vmware.com
+ *
+ */
+
+
+#include "vmxnet3_int.h"
+#include <net/vxlan.h>
+#include <net/geneve.h>
+
+#define VXLAN_UDP_PORT 8472
+
+struct vmxnet3_stat_desc {
+	char desc[ETH_GSTRING_LEN];
+	int  offset;
+};
+
+
+/* per tq stats maintained by the device */
+static const struct vmxnet3_stat_desc
+vmxnet3_tq_dev_stats[] = {
+	/* description,         offset */
+	{ "Tx Queue#",        0 },
+	{ "  TSO pkts tx",	offsetof(struct UPT1_TxStats, TSOPktsTxOK) },
+	{ "  TSO bytes tx",	offsetof(struct UPT1_TxStats, TSOBytesTxOK) },
+	{ "  ucast pkts tx",	offsetof(struct UPT1_TxStats, ucastPktsTxOK) },
+	{ "  ucast bytes tx",	offsetof(struct UPT1_TxStats, ucastBytesTxOK) },
+	{ "  mcast pkts tx",	offsetof(struct UPT1_TxStats, mcastPktsTxOK) },
+	{ "  mcast bytes tx",	offsetof(struct UPT1_TxStats, mcastBytesTxOK) },
+	{ "  bcast pkts tx",	offsetof(struct UPT1_TxStats, bcastPktsTxOK) },
+	{ "  bcast bytes tx",	offsetof(struct UPT1_TxStats, bcastBytesTxOK) },
+	{ "  pkts tx err",	offsetof(struct UPT1_TxStats, pktsTxError) },
+	{ "  pkts tx discard",	offsetof(struct UPT1_TxStats, pktsTxDiscard) },
+};
+
+/* per tq stats maintained by the driver */
+static const struct vmxnet3_stat_desc
+vmxnet3_tq_driver_stats[] = {
+	/* description,         offset */
+	{"  drv dropped tx total",	offsetof(struct vmxnet3_tq_driver_stats,
+						 drop_total) },
+	{ "     too many frags", offsetof(struct vmxnet3_tq_driver_stats,
+					  drop_too_many_frags) },
+	{ "     giant hdr",	offsetof(struct vmxnet3_tq_driver_stats,
+					 drop_oversized_hdr) },
+	{ "     hdr err",	offsetof(struct vmxnet3_tq_driver_stats,
+					 drop_hdr_inspect_err) },
+	{ "     tso",		offsetof(struct vmxnet3_tq_driver_stats,
+					 drop_tso) },
+	{ "  ring full",	offsetof(struct vmxnet3_tq_driver_stats,
+					 tx_ring_full) },
+	{ "  pkts linearized",	offsetof(struct vmxnet3_tq_driver_stats,
+					 linearized) },
+	{ "  hdr cloned",	offsetof(struct vmxnet3_tq_driver_stats,
+					 copy_skb_header) },
+	{ "  giant hdr",	offsetof(struct vmxnet3_tq_driver_stats,
+					 oversized_hdr) },
+};
+
+/* per rq stats maintained by the device */
+static const struct vmxnet3_stat_desc
+vmxnet3_rq_dev_stats[] = {
+	{ "Rx Queue#",        0 },
+	{ "  LRO pkts rx",	offsetof(struct UPT1_RxStats, LROPktsRxOK) },
+	{ "  LRO byte rx",	offsetof(struct UPT1_RxStats, LROBytesRxOK) },
+	{ "  ucast pkts rx",	offsetof(struct UPT1_RxStats, ucastPktsRxOK) },
+	{ "  ucast bytes rx",	offsetof(struct UPT1_RxStats, ucastBytesRxOK) },
+	{ "  mcast pkts rx",	offsetof(struct UPT1_RxStats, mcastPktsRxOK) },
+	{ "  mcast bytes rx",	offsetof(struct UPT1_RxStats, mcastBytesRxOK) },
+	{ "  bcast pkts rx",	offsetof(struct UPT1_RxStats, bcastPktsRxOK) },
+	{ "  bcast bytes rx",	offsetof(struct UPT1_RxStats, bcastBytesRxOK) },
+	{ "  pkts rx OOB",	offsetof(struct UPT1_RxStats, pktsRxOutOfBuf) },
+	{ "  pkts rx err",	offsetof(struct UPT1_RxStats, pktsRxError) },
+};
+
+/* per rq stats maintained by the driver */
+static const struct vmxnet3_stat_desc
+vmxnet3_rq_driver_stats[] = {
+	/* description,         offset */
+	{ "  drv dropped rx total", offsetof(struct vmxnet3_rq_driver_stats,
+					     drop_total) },
+	{ "     err",		offsetof(struct vmxnet3_rq_driver_stats,
+					 drop_err) },
+	{ "     fcs",		offsetof(struct vmxnet3_rq_driver_stats,
+					 drop_fcs) },
+	{ "  rx buf alloc fail", offsetof(struct vmxnet3_rq_driver_stats,
+					  rx_buf_alloc_failure) },
+};
+
+/* global stats maintained by the driver */
+static const struct vmxnet3_stat_desc
+vmxnet3_global_stats[] = {
+	/* description,         offset */
+	{ "tx timeout count",	offsetof(struct vmxnet3_adapter,
+					 tx_timeout_count) }
+};
+
+
+void
+vmxnet3_get_stats64(struct net_device *netdev,
+		   struct rtnl_link_stats64 *stats)
+{
+	struct vmxnet3_adapter *adapter;
+	struct vmxnet3_tq_driver_stats *drvTxStats;
+	struct vmxnet3_rq_driver_stats *drvRxStats;
+	struct UPT1_TxStats *devTxStats;
+	struct UPT1_RxStats *devRxStats;
+	unsigned long flags;
+	int i;
+
+	adapter = netdev_priv(netdev);
+
+	/* Collect the dev stats into the shared area */
+	spin_lock_irqsave(&adapter->cmd_lock, flags);
+	VMXNET3_WRITE_BAR1_REG(adapter, VMXNET3_REG_CMD, VMXNET3_CMD_GET_STATS);
+	spin_unlock_irqrestore(&adapter->cmd_lock, flags);
+
+	for (i = 0; i < adapter->num_tx_queues; i++) {
+		devTxStats = &adapter->tqd_start[i].stats;
+		drvTxStats = &adapter->tx_queue[i].stats;
+		stats->tx_packets += devTxStats->ucastPktsTxOK +
+				     devTxStats->mcastPktsTxOK +
+				     devTxStats->bcastPktsTxOK;
+		stats->tx_bytes += devTxStats->ucastBytesTxOK +
+				   devTxStats->mcastBytesTxOK +
+				   devTxStats->bcastBytesTxOK;
+		stats->tx_errors += devTxStats->pktsTxError;
+		stats->tx_dropped += drvTxStats->drop_total;
+	}
+
+	for (i = 0; i < adapter->num_rx_queues; i++) {
+		devRxStats = &adapter->rqd_start[i].stats;
+		drvRxStats = &adapter->rx_queue[i].stats;
+		stats->rx_packets += devRxStats->ucastPktsRxOK +
+				     devRxStats->mcastPktsRxOK +
+				     devRxStats->bcastPktsRxOK;
+
+		stats->rx_bytes += devRxStats->ucastBytesRxOK +
+				   devRxStats->mcastBytesRxOK +
+				   devRxStats->bcastBytesRxOK;
+
+		stats->rx_errors += devRxStats->pktsRxError;
+		stats->rx_dropped += drvRxStats->drop_total;
+		stats->multicast +=  devRxStats->mcastPktsRxOK;
+	}
+}
+
+static int
+vmxnet3_get_sset_count(struct net_device *netdev, int sset)
+{
+	struct vmxnet3_adapter *adapter = netdev_priv(netdev);
+	switch (sset) {
+	case ETH_SS_STATS:
+		return (ARRAY_SIZE(vmxnet3_tq_dev_stats) +
+			ARRAY_SIZE(vmxnet3_tq_driver_stats)) *
+		       adapter->num_tx_queues +
+		       (ARRAY_SIZE(vmxnet3_rq_dev_stats) +
+			ARRAY_SIZE(vmxnet3_rq_driver_stats)) *
+		       adapter->num_rx_queues +
+			ARRAY_SIZE(vmxnet3_global_stats);
+	default:
+		return -EOPNOTSUPP;
+	}
+}
+
+
+/* This is a version 2 of the vmxnet3 ethtool_regs which goes hand in hand with
+ * the version 2 of the vmxnet3 support for ethtool(8) --register-dump.
+ * Therefore, if any registers are added, removed or modified, then a version
+ * bump and a corresponding change in the vmxnet3 support for ethtool(8)
+ * --register-dump would be required.
+ */
+static int
+vmxnet3_get_regs_len(struct net_device *netdev)
+{
+	struct vmxnet3_adapter *adapter = netdev_priv(netdev);
+
+	return ((9 /* BAR1 registers */ +
+		(1 + adapter->intr.num_intrs) +
+		(1 + adapter->num_tx_queues * 17 /* Tx queue registers */) +
+		(1 + adapter->num_rx_queues * 23 /* Rx queue registers */)) *
+		sizeof(u32));
+}
+
+
+static void
+vmxnet3_get_drvinfo(struct net_device *netdev, struct ethtool_drvinfo *drvinfo)
+{
+	struct vmxnet3_adapter *adapter = netdev_priv(netdev);
+
+	strscpy(drvinfo->driver, vmxnet3_driver_name, sizeof(drvinfo->driver));
+
+	strscpy(drvinfo->version, VMXNET3_DRIVER_VERSION_REPORT,
+		sizeof(drvinfo->version));
+
+	strscpy(drvinfo->bus_info, pci_name(adapter->pdev),
+		sizeof(drvinfo->bus_info));
+}
+
+
+static void
+vmxnet3_get_strings(struct net_device *netdev, u32 stringset, u8 *buf)
+{
+	struct vmxnet3_adapter *adapter = netdev_priv(netdev);
+	int i, j;
+
+	if (stringset != ETH_SS_STATS)
+		return;
+
+	for (j = 0; j < adapter->num_tx_queues; j++) {
+		for (i = 0; i < ARRAY_SIZE(vmxnet3_tq_dev_stats); i++)
+			ethtool_sprintf(&buf, vmxnet3_tq_dev_stats[i].desc);
+		for (i = 0; i < ARRAY_SIZE(vmxnet3_tq_driver_stats); i++)
+			ethtool_sprintf(&buf, vmxnet3_tq_driver_stats[i].desc);
+	}
+
+	for (j = 0; j < adapter->num_rx_queues; j++) {
+		for (i = 0; i < ARRAY_SIZE(vmxnet3_rq_dev_stats); i++)
+			ethtool_sprintf(&buf, vmxnet3_rq_dev_stats[i].desc);
+		for (i = 0; i < ARRAY_SIZE(vmxnet3_rq_driver_stats); i++)
+			ethtool_sprintf(&buf, vmxnet3_rq_driver_stats[i].desc);
+	}
+
+	for (i = 0; i < ARRAY_SIZE(vmxnet3_global_stats); i++)
+		ethtool_sprintf(&buf, vmxnet3_global_stats[i].desc);
+}
+
+netdev_features_t vmxnet3_fix_features(struct net_device *netdev,
+				       netdev_features_t features)
+{
+	/* If Rx checksum is disabled, then LRO should also be disabled */
+	if (!(features & NETIF_F_RXCSUM))
+		features &= ~NETIF_F_LRO;
+
+	return features;
+}
+
+netdev_features_t vmxnet3_features_check(struct sk_buff *skb,
+					 struct net_device *netdev,
+					 netdev_features_t features)
+{
+	struct vmxnet3_adapter *adapter = netdev_priv(netdev);
+
+	/* Validate if the tunneled packet is being offloaded by the device */
+	if (VMXNET3_VERSION_GE_4(adapter) &&
+	    skb->encapsulation && skb->ip_summed == CHECKSUM_PARTIAL) {
+		u8 l4_proto = 0;
+		u16 port;
+		struct udphdr *udph;
+
+		switch (vlan_get_protocol(skb)) {
+		case htons(ETH_P_IP):
+			l4_proto = ip_hdr(skb)->protocol;
+			break;
+		case htons(ETH_P_IPV6):
+			l4_proto = ipv6_hdr(skb)->nexthdr;
+			break;
+		default:
+			return features & ~(NETIF_F_CSUM_MASK | NETIF_F_GSO_MASK);
+		}
+
+		switch (l4_proto) {
+		case IPPROTO_UDP:
+			udph = udp_hdr(skb);
+			port = be16_to_cpu(udph->dest);
+			/* Check if offloaded port is supported */
+			if (port != GENEVE_UDP_PORT &&
+			    port != IANA_VXLAN_UDP_PORT &&
+			    port != VXLAN_UDP_PORT) {
+				return features & ~(NETIF_F_CSUM_MASK | NETIF_F_GSO_MASK);
+			}
+			break;
+		default:
+			return features & ~(NETIF_F_CSUM_MASK | NETIF_F_GSO_MASK);
+		}
+	}
+	return features;
+}
+
+static void vmxnet3_enable_encap_offloads(struct net_device *netdev, netdev_features_t features)
+{
+	struct vmxnet3_adapter *adapter = netdev_priv(netdev);
+
+	if (VMXNET3_VERSION_GE_4(adapter)) {
+		netdev->hw_enc_features |= NETIF_F_SG | NETIF_F_RXCSUM |
+			NETIF_F_HW_CSUM | NETIF_F_HW_VLAN_CTAG_TX |
+			NETIF_F_HW_VLAN_CTAG_RX | NETIF_F_TSO | NETIF_F_TSO6 |
+			NETIF_F_LRO;
+		if (features & NETIF_F_GSO_UDP_TUNNEL)
+			netdev->hw_enc_features |= NETIF_F_GSO_UDP_TUNNEL;
+		if (features & NETIF_F_GSO_UDP_TUNNEL_CSUM)
+			netdev->hw_enc_features |= NETIF_F_GSO_UDP_TUNNEL_CSUM;
+	}
+	if (VMXNET3_VERSION_GE_7(adapter)) {
+		unsigned long flags;
+
+		if (vmxnet3_check_ptcapability(adapter->ptcap_supported[0],
+					       VMXNET3_CAP_GENEVE_CHECKSUM_OFFLOAD)) {
+			adapter->dev_caps[0] |= 1UL << VMXNET3_CAP_GENEVE_CHECKSUM_OFFLOAD;
+		}
+		if (vmxnet3_check_ptcapability(adapter->ptcap_supported[0],
+					       VMXNET3_CAP_VXLAN_CHECKSUM_OFFLOAD)) {
+			adapter->dev_caps[0] |= 1UL << VMXNET3_CAP_VXLAN_CHECKSUM_OFFLOAD;
+		}
+		if (vmxnet3_check_ptcapability(adapter->ptcap_supported[0],
+					       VMXNET3_CAP_GENEVE_TSO)) {
+			adapter->dev_caps[0] |= 1UL << VMXNET3_CAP_GENEVE_TSO;
+		}
+		if (vmxnet3_check_ptcapability(adapter->ptcap_supported[0],
+					       VMXNET3_CAP_VXLAN_TSO)) {
+			adapter->dev_caps[0] |= 1UL << VMXNET3_CAP_VXLAN_TSO;
+		}
+		if (vmxnet3_check_ptcapability(adapter->ptcap_supported[0],
+					       VMXNET3_CAP_GENEVE_OUTER_CHECKSUM_OFFLOAD)) {
+			adapter->dev_caps[0] |= 1UL << VMXNET3_CAP_GENEVE_OUTER_CHECKSUM_OFFLOAD;
+		}
+		if (vmxnet3_check_ptcapability(adapter->ptcap_supported[0],
+					       VMXNET3_CAP_VXLAN_OUTER_CHECKSUM_OFFLOAD)) {
+			adapter->dev_caps[0] |= 1UL << VMXNET3_CAP_VXLAN_OUTER_CHECKSUM_OFFLOAD;
+		}
+
+		VMXNET3_WRITE_BAR1_REG(adapter, VMXNET3_REG_DCR, adapter->dev_caps[0]);
+		spin_lock_irqsave(&adapter->cmd_lock, flags);
+		VMXNET3_WRITE_BAR1_REG(adapter, VMXNET3_REG_CMD, VMXNET3_CMD_GET_DCR0_REG);
+		adapter->dev_caps[0] = VMXNET3_READ_BAR1_REG(adapter, VMXNET3_REG_CMD);
+		spin_unlock_irqrestore(&adapter->cmd_lock, flags);
+
+		if (!(adapter->dev_caps[0] & (1UL << VMXNET3_CAP_GENEVE_CHECKSUM_OFFLOAD)) &&
+		    !(adapter->dev_caps[0] & (1UL << VMXNET3_CAP_VXLAN_CHECKSUM_OFFLOAD)) &&
+		    !(adapter->dev_caps[0] & (1UL << VMXNET3_CAP_GENEVE_TSO)) &&
+		    !(adapter->dev_caps[0] & (1UL << VMXNET3_CAP_VXLAN_TSO))) {
+			netdev->hw_enc_features &= ~NETIF_F_GSO_UDP_TUNNEL;
+		}
+		if (!(adapter->dev_caps[0] & (1UL << VMXNET3_CAP_GENEVE_OUTER_CHECKSUM_OFFLOAD)) &&
+		    !(adapter->dev_caps[0] & (1UL << VMXNET3_CAP_VXLAN_OUTER_CHECKSUM_OFFLOAD))) {
+			netdev->hw_enc_features &= ~NETIF_F_GSO_UDP_TUNNEL_CSUM;
+		}
+	}
+}
+
+static void vmxnet3_disable_encap_offloads(struct net_device *netdev)
+{
+	struct vmxnet3_adapter *adapter = netdev_priv(netdev);
+
+	if (VMXNET3_VERSION_GE_4(adapter)) {
+		netdev->hw_enc_features &= ~(NETIF_F_SG | NETIF_F_RXCSUM |
+			NETIF_F_HW_CSUM | NETIF_F_HW_VLAN_CTAG_TX |
+			NETIF_F_HW_VLAN_CTAG_RX | NETIF_F_TSO | NETIF_F_TSO6 |
+			NETIF_F_LRO | NETIF_F_GSO_UDP_TUNNEL |
+			NETIF_F_GSO_UDP_TUNNEL_CSUM);
+	}
+	if (VMXNET3_VERSION_GE_7(adapter)) {
+		unsigned long flags;
+
+		adapter->dev_caps[0] &= ~(1UL << VMXNET3_CAP_GENEVE_CHECKSUM_OFFLOAD |
+					  1UL << VMXNET3_CAP_VXLAN_CHECKSUM_OFFLOAD  |
+					  1UL << VMXNET3_CAP_GENEVE_TSO |
+					  1UL << VMXNET3_CAP_VXLAN_TSO  |
+					  1UL << VMXNET3_CAP_GENEVE_OUTER_CHECKSUM_OFFLOAD |
+					  1UL << VMXNET3_CAP_VXLAN_OUTER_CHECKSUM_OFFLOAD);
+
+		VMXNET3_WRITE_BAR1_REG(adapter, VMXNET3_REG_DCR, adapter->dev_caps[0]);
+		spin_lock_irqsave(&adapter->cmd_lock, flags);
+		VMXNET3_WRITE_BAR1_REG(adapter, VMXNET3_REG_CMD, VMXNET3_CMD_GET_DCR0_REG);
+		adapter->dev_caps[0] = VMXNET3_READ_BAR1_REG(adapter, VMXNET3_REG_CMD);
+		spin_unlock_irqrestore(&adapter->cmd_lock, flags);
+	}
+}
+
+int vmxnet3_set_features(struct net_device *netdev, netdev_features_t features)
+{
+	struct vmxnet3_adapter *adapter = netdev_priv(netdev);
+	unsigned long flags;
+	netdev_features_t changed = features ^ netdev->features;
+	netdev_features_t tun_offload_mask = NETIF_F_GSO_UDP_TUNNEL |
+					     NETIF_F_GSO_UDP_TUNNEL_CSUM;
+	u8 udp_tun_enabled = (netdev->features & tun_offload_mask) != 0;
+
+	if (changed & (NETIF_F_RXCSUM | NETIF_F_LRO |
+		       NETIF_F_HW_VLAN_CTAG_RX | tun_offload_mask)) {
+		if (features & NETIF_F_RXCSUM)
+			adapter->shared->devRead.misc.uptFeatures |=
+			UPT1_F_RXCSUM;
+		else
+			adapter->shared->devRead.misc.uptFeatures &=
+			~UPT1_F_RXCSUM;
+
+		/* update hardware LRO capability accordingly */
+		if (features & NETIF_F_LRO)
+			adapter->shared->devRead.misc.uptFeatures |=
+							UPT1_F_LRO;
+		else
+			adapter->shared->devRead.misc.uptFeatures &=
+							~UPT1_F_LRO;
+
+		if (features & NETIF_F_HW_VLAN_CTAG_RX)
+			adapter->shared->devRead.misc.uptFeatures |=
+			UPT1_F_RXVLAN;
+		else
+			adapter->shared->devRead.misc.uptFeatures &=
+			~UPT1_F_RXVLAN;
+
+		if ((features & tun_offload_mask) != 0) {
+			vmxnet3_enable_encap_offloads(netdev, features);
+			adapter->shared->devRead.misc.uptFeatures |=
+			UPT1_F_RXINNEROFLD;
+		} else if ((features & tun_offload_mask) == 0 &&
+			   udp_tun_enabled) {
+			vmxnet3_disable_encap_offloads(netdev);
+			adapter->shared->devRead.misc.uptFeatures &=
+			~UPT1_F_RXINNEROFLD;
+		}
+
+		spin_lock_irqsave(&adapter->cmd_lock, flags);
+		VMXNET3_WRITE_BAR1_REG(adapter, VMXNET3_REG_CMD,
+				       VMXNET3_CMD_UPDATE_FEATURE);
+		spin_unlock_irqrestore(&adapter->cmd_lock, flags);
+	}
+	return 0;
+}
+
+static void
+vmxnet3_get_ethtool_stats(struct net_device *netdev,
+			  struct ethtool_stats *stats, u64  *buf)
+{
+	struct vmxnet3_adapter *adapter = netdev_priv(netdev);
+	unsigned long flags;
+	u8 *base;
+	int i;
+	int j = 0;
+
+	spin_lock_irqsave(&adapter->cmd_lock, flags);
+	VMXNET3_WRITE_BAR1_REG(adapter, VMXNET3_REG_CMD, VMXNET3_CMD_GET_STATS);
+	spin_unlock_irqrestore(&adapter->cmd_lock, flags);
+
+	/* this does assume each counter is 64-bit wide */
+	for (j = 0; j < adapter->num_tx_queues; j++) {
+		base = (u8 *)&adapter->tqd_start[j].stats;
+		*buf++ = (u64)j;
+		for (i = 1; i < ARRAY_SIZE(vmxnet3_tq_dev_stats); i++)
+			*buf++ = *(u64 *)(base +
+					  vmxnet3_tq_dev_stats[i].offset);
+
+		base = (u8 *)&adapter->tx_queue[j].stats;
+		for (i = 0; i < ARRAY_SIZE(vmxnet3_tq_driver_stats); i++)
+			*buf++ = *(u64 *)(base +
+					  vmxnet3_tq_driver_stats[i].offset);
+	}
+
+	for (j = 0; j < adapter->num_rx_queues; j++) {
+		base = (u8 *)&adapter->rqd_start[j].stats;
+		*buf++ = (u64) j;
+		for (i = 1; i < ARRAY_SIZE(vmxnet3_rq_dev_stats); i++)
+			*buf++ = *(u64 *)(base +
+					  vmxnet3_rq_dev_stats[i].offset);
+
+		base = (u8 *)&adapter->rx_queue[j].stats;
+		for (i = 0; i < ARRAY_SIZE(vmxnet3_rq_driver_stats); i++)
+			*buf++ = *(u64 *)(base +
+					  vmxnet3_rq_driver_stats[i].offset);
+	}
+
+	base = (u8 *)adapter;
+	for (i = 0; i < ARRAY_SIZE(vmxnet3_global_stats); i++)
+		*buf++ = *(u64 *)(base + vmxnet3_global_stats[i].offset);
+}
+
+
+/* This is a version 2 of the vmxnet3 ethtool_regs which goes hand in hand with
+ * the version 2 of the vmxnet3 support for ethtool(8) --register-dump.
+ * Therefore, if any registers are added, removed or modified, then a version
+ * bump and a corresponding change in the vmxnet3 support for ethtool(8)
+ * --register-dump would be required.
+ */
+static void
+vmxnet3_get_regs(struct net_device *netdev, struct ethtool_regs *regs, void *p)
+{
+	struct vmxnet3_adapter *adapter = netdev_priv(netdev);
+	u32 *buf = p;
+	int i = 0, j = 0;
+
+	memset(p, 0, vmxnet3_get_regs_len(netdev));
+
+	regs->version = 2;
+
+	/* Update vmxnet3_get_regs_len if we want to dump more registers */
+
+	buf[j++] = VMXNET3_READ_BAR1_REG(adapter, VMXNET3_REG_VRRS);
+	buf[j++] = VMXNET3_READ_BAR1_REG(adapter, VMXNET3_REG_UVRS);
+	buf[j++] = VMXNET3_READ_BAR1_REG(adapter, VMXNET3_REG_DSAL);
+	buf[j++] = VMXNET3_READ_BAR1_REG(adapter, VMXNET3_REG_DSAH);
+	buf[j++] = VMXNET3_READ_BAR1_REG(adapter, VMXNET3_REG_CMD);
+	buf[j++] = VMXNET3_READ_BAR1_REG(adapter, VMXNET3_REG_MACL);
+	buf[j++] = VMXNET3_READ_BAR1_REG(adapter, VMXNET3_REG_MACH);
+	buf[j++] = VMXNET3_READ_BAR1_REG(adapter, VMXNET3_REG_ICR);
+	buf[j++] = VMXNET3_READ_BAR1_REG(adapter, VMXNET3_REG_ECR);
+
+	buf[j++] = adapter->intr.num_intrs;
+	for (i = 0; i < adapter->intr.num_intrs; i++) {
+		buf[j++] = VMXNET3_READ_BAR0_REG(adapter, VMXNET3_REG_IMR
+						 + i * VMXNET3_REG_ALIGN);
+	}
+
+	buf[j++] = adapter->num_tx_queues;
+	for (i = 0; i < adapter->num_tx_queues; i++) {
+		struct vmxnet3_tx_queue *tq = &adapter->tx_queue[i];
+
+		buf[j++] = VMXNET3_READ_BAR0_REG(adapter, adapter->tx_prod_offset +
+						 i * VMXNET3_REG_ALIGN);
+
+		buf[j++] = VMXNET3_GET_ADDR_LO(tq->tx_ring.basePA);
+		buf[j++] = VMXNET3_GET_ADDR_HI(tq->tx_ring.basePA);
+		buf[j++] = tq->tx_ring.size;
+		buf[j++] = tq->tx_ring.next2fill;
+		buf[j++] = tq->tx_ring.next2comp;
+		buf[j++] = tq->tx_ring.gen;
+
+		buf[j++] = VMXNET3_GET_ADDR_LO(tq->data_ring.basePA);
+		buf[j++] = VMXNET3_GET_ADDR_HI(tq->data_ring.basePA);
+		buf[j++] = tq->data_ring.size;
+		buf[j++] = tq->txdata_desc_size;
+
+		buf[j++] = VMXNET3_GET_ADDR_LO(tq->comp_ring.basePA);
+		buf[j++] = VMXNET3_GET_ADDR_HI(tq->comp_ring.basePA);
+		buf[j++] = tq->comp_ring.size;
+		buf[j++] = tq->comp_ring.next2proc;
+		buf[j++] = tq->comp_ring.gen;
+
+		buf[j++] = tq->stopped;
+	}
+
+	buf[j++] = adapter->num_rx_queues;
+	for (i = 0; i < adapter->num_rx_queues; i++) {
+		struct vmxnet3_rx_queue *rq = &adapter->rx_queue[i];
+
+		buf[j++] =  VMXNET3_READ_BAR0_REG(adapter, adapter->rx_prod_offset +
+						  i * VMXNET3_REG_ALIGN);
+		buf[j++] =  VMXNET3_READ_BAR0_REG(adapter, adapter->rx_prod2_offset +
+						  i * VMXNET3_REG_ALIGN);
+
+		buf[j++] = VMXNET3_GET_ADDR_LO(rq->rx_ring[0].basePA);
+		buf[j++] = VMXNET3_GET_ADDR_HI(rq->rx_ring[0].basePA);
+		buf[j++] = rq->rx_ring[0].size;
+		buf[j++] = rq->rx_ring[0].next2fill;
+		buf[j++] = rq->rx_ring[0].next2comp;
+		buf[j++] = rq->rx_ring[0].gen;
+
+		buf[j++] = VMXNET3_GET_ADDR_LO(rq->rx_ring[1].basePA);
+		buf[j++] = VMXNET3_GET_ADDR_HI(rq->rx_ring[1].basePA);
+		buf[j++] = rq->rx_ring[1].size;
+		buf[j++] = rq->rx_ring[1].next2fill;
+		buf[j++] = rq->rx_ring[1].next2comp;
+		buf[j++] = rq->rx_ring[1].gen;
+
+		buf[j++] = VMXNET3_GET_ADDR_LO(rq->data_ring.basePA);
+		buf[j++] = VMXNET3_GET_ADDR_HI(rq->data_ring.basePA);
+		buf[j++] = rq->rx_ring[0].size;
+		buf[j++] = rq->data_ring.desc_size;
+
+		buf[j++] = VMXNET3_GET_ADDR_LO(rq->comp_ring.basePA);
+		buf[j++] = VMXNET3_GET_ADDR_HI(rq->comp_ring.basePA);
+		buf[j++] = rq->comp_ring.size;
+		buf[j++] = rq->comp_ring.next2proc;
+		buf[j++] = rq->comp_ring.gen;
+	}
+}
+
+
+static void
+vmxnet3_get_wol(struct net_device *netdev, struct ethtool_wolinfo *wol)
+{
+	struct vmxnet3_adapter *adapter = netdev_priv(netdev);
+
+	wol->supported = WAKE_UCAST | WAKE_ARP | WAKE_MAGIC;
+	wol->wolopts = adapter->wol;
+}
+
+
+static int
+vmxnet3_set_wol(struct net_device *netdev, struct ethtool_wolinfo *wol)
+{
+	struct vmxnet3_adapter *adapter = netdev_priv(netdev);
+
+	if (wol->wolopts & (WAKE_PHY | WAKE_MCAST | WAKE_BCAST |
+			    WAKE_MAGICSECURE)) {
+		return -EOPNOTSUPP;
+	}
+
+	adapter->wol = wol->wolopts;
+
+	device_set_wakeup_enable(&adapter->pdev->dev, adapter->wol);
+
+	return 0;
+}
+
+
+static int
+vmxnet3_get_link_ksettings(struct net_device *netdev,
+			   struct ethtool_link_ksettings *ecmd)
+{
+	struct vmxnet3_adapter *adapter = netdev_priv(netdev);
+
+	ethtool_link_ksettings_zero_link_mode(ecmd, supported);
+	ethtool_link_ksettings_add_link_mode(ecmd, supported, 10000baseT_Full);
+	ethtool_link_ksettings_add_link_mode(ecmd, supported, 1000baseT_Full);
+	ethtool_link_ksettings_add_link_mode(ecmd, supported, TP);
+	ethtool_link_ksettings_zero_link_mode(ecmd, advertising);
+	ethtool_link_ksettings_add_link_mode(ecmd, advertising, TP);
+	ecmd->base.port = PORT_TP;
+
+	if (adapter->link_speed) {
+		ecmd->base.speed = adapter->link_speed;
+		ecmd->base.duplex = DUPLEX_FULL;
+	} else {
+		ecmd->base.speed = SPEED_UNKNOWN;
+		ecmd->base.duplex = DUPLEX_UNKNOWN;
+	}
+	return 0;
+}
+
+static void
+vmxnet3_get_ringparam(struct net_device *netdev,
+		      struct ethtool_ringparam *param,
+		      struct kernel_ethtool_ringparam *kernel_param,
+		      struct netlink_ext_ack *extack)
+{
+	struct vmxnet3_adapter *adapter = netdev_priv(netdev);
+
+	param->rx_max_pending = VMXNET3_RX_RING_MAX_SIZE;
+	param->tx_max_pending = VMXNET3_TX_RING_MAX_SIZE;
+	param->rx_mini_max_pending = VMXNET3_VERSION_GE_3(adapter) ?
+		VMXNET3_RXDATA_DESC_MAX_SIZE : 0;
+	param->rx_jumbo_max_pending = VMXNET3_RX_RING2_MAX_SIZE;
+
+	param->rx_pending = adapter->rx_ring_size;
+	param->tx_pending = adapter->tx_ring_size;
+	param->rx_mini_pending = VMXNET3_VERSION_GE_3(adapter) ?
+		adapter->rxdata_desc_size : 0;
+	param->rx_jumbo_pending = adapter->rx_ring2_size;
+}
+
+static int
+vmxnet3_set_ringparam(struct net_device *netdev,
+		      struct ethtool_ringparam *param,
+		      struct kernel_ethtool_ringparam *kernel_param,
+		      struct netlink_ext_ack *extack)
+{
+	struct vmxnet3_adapter *adapter = netdev_priv(netdev);
+	u32 new_tx_ring_size, new_rx_ring_size, new_rx_ring2_size;
+	u16 new_rxdata_desc_size;
+	u32 sz;
+	int err = 0;
+
+	if (param->tx_pending == 0 || param->tx_pending >
+						VMXNET3_TX_RING_MAX_SIZE)
+		return -EINVAL;
+
+	if (param->rx_pending == 0 || param->rx_pending >
+						VMXNET3_RX_RING_MAX_SIZE)
+		return -EINVAL;
+
+	if (param->rx_jumbo_pending == 0 ||
+	    param->rx_jumbo_pending > VMXNET3_RX_RING2_MAX_SIZE)
+		return -EINVAL;
+
+	/* if adapter not yet initialized, do nothing */
+	if (adapter->rx_buf_per_pkt == 0) {
+		netdev_err(netdev, "adapter not completely initialized, "
+			   "ring size cannot be changed yet\n");
+		return -EOPNOTSUPP;
+	}
+
+	if (VMXNET3_VERSION_GE_3(adapter)) {
+		if (param->rx_mini_pending > VMXNET3_RXDATA_DESC_MAX_SIZE)
+			return -EINVAL;
+	} else if (param->rx_mini_pending != 0) {
+		return -EINVAL;
+	}
+
+	/* round it up to a multiple of VMXNET3_RING_SIZE_ALIGN */
+	new_tx_ring_size = (param->tx_pending + VMXNET3_RING_SIZE_MASK) &
+							~VMXNET3_RING_SIZE_MASK;
+	new_tx_ring_size = min_t(u32, new_tx_ring_size,
+				 VMXNET3_TX_RING_MAX_SIZE);
+	if (new_tx_ring_size > VMXNET3_TX_RING_MAX_SIZE || (new_tx_ring_size %
+						VMXNET3_RING_SIZE_ALIGN) != 0)
+		return -EINVAL;
+
+	/* ring0 has to be a multiple of
+	 * rx_buf_per_pkt * VMXNET3_RING_SIZE_ALIGN
+	 */
+	sz = adapter->rx_buf_per_pkt * VMXNET3_RING_SIZE_ALIGN;
+	new_rx_ring_size = (param->rx_pending + sz - 1) / sz * sz;
+	new_rx_ring_size = min_t(u32, new_rx_ring_size,
+				 VMXNET3_RX_RING_MAX_SIZE / sz * sz);
+	if (new_rx_ring_size > VMXNET3_RX_RING_MAX_SIZE || (new_rx_ring_size %
+							   sz) != 0)
+		return -EINVAL;
+
+	/* ring2 has to be a multiple of VMXNET3_RING_SIZE_ALIGN */
+	new_rx_ring2_size = (param->rx_jumbo_pending + VMXNET3_RING_SIZE_MASK) &
+				~VMXNET3_RING_SIZE_MASK;
+	new_rx_ring2_size = min_t(u32, new_rx_ring2_size,
+				  VMXNET3_RX_RING2_MAX_SIZE);
+
+	/* For v7 and later, keep ring size power of 2 for UPT */
+	if (VMXNET3_VERSION_GE_7(adapter)) {
+		new_tx_ring_size = rounddown_pow_of_two(new_tx_ring_size);
+		new_rx_ring_size = rounddown_pow_of_two(new_rx_ring_size);
+		new_rx_ring2_size = rounddown_pow_of_two(new_rx_ring2_size);
+	}
+
+	/* rx data ring buffer size has to be a multiple of
+	 * VMXNET3_RXDATA_DESC_SIZE_ALIGN
+	 */
+	new_rxdata_desc_size =
+		(param->rx_mini_pending + VMXNET3_RXDATA_DESC_SIZE_MASK) &
+		~VMXNET3_RXDATA_DESC_SIZE_MASK;
+	new_rxdata_desc_size = min_t(u16, new_rxdata_desc_size,
+				     VMXNET3_RXDATA_DESC_MAX_SIZE);
+
+	if (new_tx_ring_size == adapter->tx_ring_size &&
+	    new_rx_ring_size == adapter->rx_ring_size &&
+	    new_rx_ring2_size == adapter->rx_ring2_size &&
+	    new_rxdata_desc_size == adapter->rxdata_desc_size) {
+		return 0;
+	}
+
+	/*
+	 * Reset_work may be in the middle of resetting the device, wait for its
+	 * completion.
+	 */
+	while (test_and_set_bit(VMXNET3_STATE_BIT_RESETTING, &adapter->state))
+		usleep_range(1000, 2000);
+
+	if (netif_running(netdev)) {
+		vmxnet3_quiesce_dev(adapter);
+		vmxnet3_reset_dev(adapter);
+
+		/* recreate the rx queue and the tx queue based on the
+		 * new sizes */
+		vmxnet3_tq_destroy_all(adapter);
+		vmxnet3_rq_destroy_all(adapter);
+
+		err = vmxnet3_create_queues(adapter, new_tx_ring_size,
+					    new_rx_ring_size, new_rx_ring2_size,
+					    adapter->txdata_desc_size,
+					    new_rxdata_desc_size);
+		if (err) {
+			/* failed, most likely because of OOM, try default
+			 * size */
+			netdev_err(netdev, "failed to apply new sizes, "
+				   "try the default ones\n");
+			new_rx_ring_size = VMXNET3_DEF_RX_RING_SIZE;
+			new_rx_ring2_size = VMXNET3_DEF_RX_RING2_SIZE;
+			new_tx_ring_size = VMXNET3_DEF_TX_RING_SIZE;
+			new_rxdata_desc_size = VMXNET3_VERSION_GE_3(adapter) ?
+				VMXNET3_DEF_RXDATA_DESC_SIZE : 0;
+
+			err = vmxnet3_create_queues(adapter,
+						    new_tx_ring_size,
+						    new_rx_ring_size,
+						    new_rx_ring2_size,
+						    adapter->txdata_desc_size,
+						    new_rxdata_desc_size);
+			if (err) {
+				netdev_err(netdev, "failed to create queues "
+					   "with default sizes. Closing it\n");
+				goto out;
+			}
+		}
+
+		err = vmxnet3_activate_dev(adapter);
+		if (err)
+			netdev_err(netdev, "failed to re-activate, error %d."
+				   " Closing it\n", err);
+	}
+	adapter->tx_ring_size = new_tx_ring_size;
+	adapter->rx_ring_size = new_rx_ring_size;
+	adapter->rx_ring2_size = new_rx_ring2_size;
+	adapter->rxdata_desc_size = new_rxdata_desc_size;
+
+out:
+	clear_bit(VMXNET3_STATE_BIT_RESETTING, &adapter->state);
+	if (err)
+		vmxnet3_force_close(adapter);
+
+	return err;
+}
+
+static int
+vmxnet3_get_rss_hash_opts(struct vmxnet3_adapter *adapter,
+			  struct ethtool_rxnfc *info)
+{
+	enum Vmxnet3_RSSField rss_fields;
+
+	if (netif_running(adapter->netdev)) {
+		unsigned long flags;
+
+		spin_lock_irqsave(&adapter->cmd_lock, flags);
+
+		VMXNET3_WRITE_BAR1_REG(adapter, VMXNET3_REG_CMD,
+				       VMXNET3_CMD_GET_RSS_FIELDS);
+		rss_fields = VMXNET3_READ_BAR1_REG(adapter, VMXNET3_REG_CMD);
+		spin_unlock_irqrestore(&adapter->cmd_lock, flags);
+	} else {
+		rss_fields = adapter->rss_fields;
+	}
+
+	info->data = 0;
+
+	/* Report default options for RSS on vmxnet3 */
+	switch (info->flow_type) {
+	case TCP_V4_FLOW:
+	case TCP_V6_FLOW:
+		info->data |= RXH_L4_B_0_1 | RXH_L4_B_2_3 |
+			      RXH_IP_SRC | RXH_IP_DST;
+		break;
+	case UDP_V4_FLOW:
+		if (rss_fields & VMXNET3_RSS_FIELDS_UDPIP4)
+			info->data |= RXH_L4_B_0_1 | RXH_L4_B_2_3;
+		info->data |= RXH_IP_SRC | RXH_IP_DST;
+		break;
+	case AH_ESP_V4_FLOW:
+	case AH_V4_FLOW:
+	case ESP_V4_FLOW:
+		if (rss_fields & VMXNET3_RSS_FIELDS_ESPIP4)
+			info->data |= RXH_L4_B_0_1 | RXH_L4_B_2_3;
+		fallthrough;
+	case SCTP_V4_FLOW:
+	case IPV4_FLOW:
+		info->data |= RXH_IP_SRC | RXH_IP_DST;
+		break;
+	case UDP_V6_FLOW:
+		if (rss_fields & VMXNET3_RSS_FIELDS_UDPIP6)
+			info->data |= RXH_L4_B_0_1 | RXH_L4_B_2_3;
+		info->data |= RXH_IP_SRC | RXH_IP_DST;
+		break;
+	case AH_ESP_V6_FLOW:
+	case AH_V6_FLOW:
+	case ESP_V6_FLOW:
+		if (VMXNET3_VERSION_GE_6(adapter) &&
+		    (rss_fields & VMXNET3_RSS_FIELDS_ESPIP6))
+			info->data |= RXH_L4_B_0_1 | RXH_L4_B_2_3;
+		fallthrough;
+	case SCTP_V6_FLOW:
+	case IPV6_FLOW:
+		info->data |= RXH_IP_SRC | RXH_IP_DST;
+		break;
+	default:
+		return -EINVAL;
+	}
+
+	return 0;
+}
+
+static int
+vmxnet3_set_rss_hash_opt(struct net_device *netdev,
+			 struct vmxnet3_adapter *adapter,
+			 struct ethtool_rxnfc *nfc)
+{
+	enum Vmxnet3_RSSField rss_fields = adapter->rss_fields;
+
+	/* RSS does not support anything other than hashing
+	 * to queues on src and dst IPs and ports
+	 */
+	if (nfc->data & ~(RXH_IP_SRC | RXH_IP_DST |
+			  RXH_L4_B_0_1 | RXH_L4_B_2_3))
+		return -EINVAL;
+
+	switch (nfc->flow_type) {
+	case TCP_V4_FLOW:
+	case TCP_V6_FLOW:
+		if (!(nfc->data & RXH_IP_SRC) ||
+		    !(nfc->data & RXH_IP_DST) ||
+		    !(nfc->data & RXH_L4_B_0_1) ||
+		    !(nfc->data & RXH_L4_B_2_3))
+			return -EINVAL;
+		break;
+	case UDP_V4_FLOW:
+		if (!(nfc->data & RXH_IP_SRC) ||
+		    !(nfc->data & RXH_IP_DST))
+			return -EINVAL;
+		switch (nfc->data & (RXH_L4_B_0_1 | RXH_L4_B_2_3)) {
+		case 0:
+			rss_fields &= ~VMXNET3_RSS_FIELDS_UDPIP4;
+			break;
+		case (RXH_L4_B_0_1 | RXH_L4_B_2_3):
+			rss_fields |= VMXNET3_RSS_FIELDS_UDPIP4;
+			break;
+		default:
+			return -EINVAL;
+		}
+		break;
+	case UDP_V6_FLOW:
+		if (!(nfc->data & RXH_IP_SRC) ||
+		    !(nfc->data & RXH_IP_DST))
+			return -EINVAL;
+		switch (nfc->data & (RXH_L4_B_0_1 | RXH_L4_B_2_3)) {
+		case 0:
+			rss_fields &= ~VMXNET3_RSS_FIELDS_UDPIP6;
+			break;
+		case (RXH_L4_B_0_1 | RXH_L4_B_2_3):
+			rss_fields |= VMXNET3_RSS_FIELDS_UDPIP6;
+			break;
+		default:
+			return -EINVAL;
+		}
+		break;
+	case ESP_V4_FLOW:
+	case AH_V4_FLOW:
+	case AH_ESP_V4_FLOW:
+		if (!(nfc->data & RXH_IP_SRC) ||
+		    !(nfc->data & RXH_IP_DST))
+			return -EINVAL;
+		switch (nfc->data & (RXH_L4_B_0_1 | RXH_L4_B_2_3)) {
+		case 0:
+			rss_fields &= ~VMXNET3_RSS_FIELDS_ESPIP4;
+			break;
+		case (RXH_L4_B_0_1 | RXH_L4_B_2_3):
+			rss_fields |= VMXNET3_RSS_FIELDS_ESPIP4;
+		break;
+		default:
+			return -EINVAL;
+		}
+		break;
+	case ESP_V6_FLOW:
+	case AH_V6_FLOW:
+	case AH_ESP_V6_FLOW:
+		if (!VMXNET3_VERSION_GE_6(adapter))
+			return -EOPNOTSUPP;
+		if (!(nfc->data & RXH_IP_SRC) ||
+		    !(nfc->data & RXH_IP_DST))
+			return -EINVAL;
+		switch (nfc->data & (RXH_L4_B_0_1 | RXH_L4_B_2_3)) {
+		case 0:
+			rss_fields &= ~VMXNET3_RSS_FIELDS_ESPIP6;
+			break;
+		case (RXH_L4_B_0_1 | RXH_L4_B_2_3):
+			rss_fields |= VMXNET3_RSS_FIELDS_ESPIP6;
+			break;
+		default:
+			return -EINVAL;
+		}
+		break;
+	case SCTP_V4_FLOW:
+	case SCTP_V6_FLOW:
+		if (!(nfc->data & RXH_IP_SRC) ||
+		    !(nfc->data & RXH_IP_DST) ||
+		    (nfc->data & RXH_L4_B_0_1) ||
+		    (nfc->data & RXH_L4_B_2_3))
+			return -EINVAL;
+		break;
+	default:
+		return -EINVAL;
+	}
+
+	/* if we changed something we need to update flags */
+	if (rss_fields != adapter->rss_fields) {
+		adapter->default_rss_fields = false;
+		if (netif_running(netdev)) {
+			struct Vmxnet3_DriverShared *shared = adapter->shared;
+			union Vmxnet3_CmdInfo *cmdInfo = &shared->cu.cmdInfo;
+			unsigned long flags;
+
+			if (VMXNET3_VERSION_GE_7(adapter)) {
+				if ((rss_fields & VMXNET3_RSS_FIELDS_UDPIP4 ||
+				     rss_fields & VMXNET3_RSS_FIELDS_UDPIP6) &&
+				    vmxnet3_check_ptcapability(adapter->ptcap_supported[0],
+							       VMXNET3_CAP_UDP_RSS)) {
+					adapter->dev_caps[0] |= 1UL << VMXNET3_CAP_UDP_RSS;
+				} else {
+					adapter->dev_caps[0] &= ~(1UL << VMXNET3_CAP_UDP_RSS);
+				}
+				if ((rss_fields & VMXNET3_RSS_FIELDS_ESPIP4) &&
+				    vmxnet3_check_ptcapability(adapter->ptcap_supported[0],
+							       VMXNET3_CAP_ESP_RSS_IPV4)) {
+					adapter->dev_caps[0] |= 1UL << VMXNET3_CAP_ESP_RSS_IPV4;
+				} else {
+					adapter->dev_caps[0] &= ~(1UL << VMXNET3_CAP_ESP_RSS_IPV4);
+				}
+				if ((rss_fields & VMXNET3_RSS_FIELDS_ESPIP6) &&
+				    vmxnet3_check_ptcapability(adapter->ptcap_supported[0],
+							       VMXNET3_CAP_ESP_RSS_IPV6)) {
+					adapter->dev_caps[0] |= 1UL << VMXNET3_CAP_ESP_RSS_IPV6;
+				} else {
+					adapter->dev_caps[0] &= ~(1UL << VMXNET3_CAP_ESP_RSS_IPV6);
+				}
+
+				VMXNET3_WRITE_BAR1_REG(adapter, VMXNET3_REG_DCR,
+						       adapter->dev_caps[0]);
+				spin_lock_irqsave(&adapter->cmd_lock, flags);
+				VMXNET3_WRITE_BAR1_REG(adapter, VMXNET3_REG_CMD,
+						       VMXNET3_CMD_GET_DCR0_REG);
+				adapter->dev_caps[0] = VMXNET3_READ_BAR1_REG(adapter,
+									     VMXNET3_REG_CMD);
+				spin_unlock_irqrestore(&adapter->cmd_lock, flags);
+			}
+			spin_lock_irqsave(&adapter->cmd_lock, flags);
+			cmdInfo->setRssFields = rss_fields;
+			VMXNET3_WRITE_BAR1_REG(adapter, VMXNET3_REG_CMD,
+					       VMXNET3_CMD_SET_RSS_FIELDS);
+
+			/* Not all requested RSS may get applied, so get and
+			 * cache what was actually applied.
+			 */
+			VMXNET3_WRITE_BAR1_REG(adapter, VMXNET3_REG_CMD,
+					       VMXNET3_CMD_GET_RSS_FIELDS);
+			adapter->rss_fields =
+				VMXNET3_READ_BAR1_REG(adapter, VMXNET3_REG_CMD);
+			spin_unlock_irqrestore(&adapter->cmd_lock, flags);
+		} else {
+			/* When the device is activated, we will try to apply
+			 * these rules and cache the applied value later.
+			 */
+			adapter->rss_fields = rss_fields;
+		}
+	}
+	return 0;
+}
+
+static int
+vmxnet3_get_rxnfc(struct net_device *netdev, struct ethtool_rxnfc *info,
+		  u32 *rules)
+{
+	struct vmxnet3_adapter *adapter = netdev_priv(netdev);
+	int err = 0;
+
+	switch (info->cmd) {
+	case ETHTOOL_GRXRINGS:
+		info->data = adapter->num_rx_queues;
+		break;
+	case ETHTOOL_GRXFH:
+		if (!VMXNET3_VERSION_GE_4(adapter)) {
+			err = -EOPNOTSUPP;
+			break;
+		}
+#ifdef VMXNET3_RSS
+		if (!adapter->rss) {
+			err = -EOPNOTSUPP;
+			break;
+		}
+#endif
+		err = vmxnet3_get_rss_hash_opts(adapter, info);
+		break;
+	default:
+		err = -EOPNOTSUPP;
+		break;
+	}
+
+	return err;
+}
+
+static int
+vmxnet3_set_rxnfc(struct net_device *netdev, struct ethtool_rxnfc *info)
+{
+	struct vmxnet3_adapter *adapter = netdev_priv(netdev);
+	int err = 0;
+
+	if (!VMXNET3_VERSION_GE_4(adapter)) {
+		err = -EOPNOTSUPP;
+		goto done;
+	}
+#ifdef VMXNET3_RSS
+	if (!adapter->rss) {
+		err = -EOPNOTSUPP;
+		goto done;
+	}
+#endif
+
+	switch (info->cmd) {
+	case ETHTOOL_SRXFH:
+		err = vmxnet3_set_rss_hash_opt(netdev, adapter, info);
+		break;
+	default:
+		err = -EOPNOTSUPP;
+		break;
+	}
+
+done:
+	return err;
+}
+
+#ifdef VMXNET3_RSS
+static u32
+vmxnet3_get_rss_indir_size(struct net_device *netdev)
+{
+	struct vmxnet3_adapter *adapter = netdev_priv(netdev);
+	struct UPT1_RSSConf *rssConf = adapter->rss_conf;
+
+	return rssConf->indTableSize;
+}
+
+static int
+vmxnet3_get_rss(struct net_device *netdev, u32 *p, u8 *key, u8 *hfunc)
+{
+	struct vmxnet3_adapter *adapter = netdev_priv(netdev);
+	struct UPT1_RSSConf *rssConf = adapter->rss_conf;
+	unsigned int n = rssConf->indTableSize;
+
+	if (hfunc)
+		*hfunc = ETH_RSS_HASH_TOP;
+	if (!p)
+		return 0;
+	if (n > UPT1_RSS_MAX_IND_TABLE_SIZE)
+		return 0;
+	while (n--)
+		p[n] = rssConf->indTable[n];
+	return 0;
+
+}
+
+static int
+vmxnet3_set_rss(struct net_device *netdev, const u32 *p, const u8 *key,
+		const u8 hfunc)
+{
+	unsigned int i;
+	unsigned long flags;
+	struct vmxnet3_adapter *adapter = netdev_priv(netdev);
+	struct UPT1_RSSConf *rssConf = adapter->rss_conf;
+
+	/* We do not allow change in unsupported parameters */
+	if (key ||
+	    (hfunc != ETH_RSS_HASH_NO_CHANGE && hfunc != ETH_RSS_HASH_TOP))
+		return -EOPNOTSUPP;
+	if (!p)
+		return 0;
+	for (i = 0; i < rssConf->indTableSize; i++)
+		rssConf->indTable[i] = p[i];
+
+	spin_lock_irqsave(&adapter->cmd_lock, flags);
+	VMXNET3_WRITE_BAR1_REG(adapter, VMXNET3_REG_CMD,
+			       VMXNET3_CMD_UPDATE_RSSIDT);
+	spin_unlock_irqrestore(&adapter->cmd_lock, flags);
+
+	return 0;
+
+}
+#endif
+
+static int vmxnet3_get_coalesce(struct net_device *netdev,
+				struct ethtool_coalesce *ec,
+				struct kernel_ethtool_coalesce *kernel_coal,
+				struct netlink_ext_ack *extack)
+{
+	struct vmxnet3_adapter *adapter = netdev_priv(netdev);
+
+	if (!VMXNET3_VERSION_GE_3(adapter))
+		return -EOPNOTSUPP;
+
+	switch (adapter->coal_conf->coalMode) {
+	case VMXNET3_COALESCE_DISABLED:
+		/* struct ethtool_coalesce is already initialized to 0 */
+		break;
+	case VMXNET3_COALESCE_ADAPT:
+		ec->use_adaptive_rx_coalesce = true;
+		break;
+	case VMXNET3_COALESCE_STATIC:
+		ec->tx_max_coalesced_frames =
+			adapter->coal_conf->coalPara.coalStatic.tx_comp_depth;
+		ec->rx_max_coalesced_frames =
+			adapter->coal_conf->coalPara.coalStatic.rx_depth;
+		break;
+	case VMXNET3_COALESCE_RBC: {
+		u32 rbc_rate;
+
+		rbc_rate = adapter->coal_conf->coalPara.coalRbc.rbc_rate;
+		ec->rx_coalesce_usecs = VMXNET3_COAL_RBC_USECS(rbc_rate);
+	}
+		break;
+	default:
+		return -EOPNOTSUPP;
+	}
+
+	return 0;
+}
+
+static int vmxnet3_set_coalesce(struct net_device *netdev,
+				struct ethtool_coalesce *ec,
+				struct kernel_ethtool_coalesce *kernel_coal,
+				struct netlink_ext_ack *extack)
+{
+	struct vmxnet3_adapter *adapter = netdev_priv(netdev);
+	struct Vmxnet3_DriverShared *shared = adapter->shared;
+	union Vmxnet3_CmdInfo *cmdInfo = &shared->cu.cmdInfo;
+	unsigned long flags;
+
+	if (!VMXNET3_VERSION_GE_3(adapter))
+		return -EOPNOTSUPP;
+
+	if ((ec->rx_coalesce_usecs == 0) &&
+	    (ec->use_adaptive_rx_coalesce == 0) &&
+	    (ec->tx_max_coalesced_frames == 0) &&
+	    (ec->rx_max_coalesced_frames == 0)) {
+		memset(adapter->coal_conf, 0, sizeof(*adapter->coal_conf));
+		adapter->coal_conf->coalMode = VMXNET3_COALESCE_DISABLED;
+		goto done;
+	}
+
+	if (ec->rx_coalesce_usecs != 0) {
+		u32 rbc_rate;
+
+		if ((ec->use_adaptive_rx_coalesce != 0) ||
+		    (ec->tx_max_coalesced_frames != 0) ||
+		    (ec->rx_max_coalesced_frames != 0)) {
+			return -EINVAL;
+		}
+
+		rbc_rate = VMXNET3_COAL_RBC_RATE(ec->rx_coalesce_usecs);
+		if (rbc_rate < VMXNET3_COAL_RBC_MIN_RATE ||
+		    rbc_rate > VMXNET3_COAL_RBC_MAX_RATE) {
+			return -EINVAL;
+		}
+
+		memset(adapter->coal_conf, 0, sizeof(*adapter->coal_conf));
+		adapter->coal_conf->coalMode = VMXNET3_COALESCE_RBC;
+		adapter->coal_conf->coalPara.coalRbc.rbc_rate = rbc_rate;
+		goto done;
+	}
+
+	if (ec->use_adaptive_rx_coalesce != 0) {
+		if (ec->tx_max_coalesced_frames != 0 ||
+		    ec->rx_max_coalesced_frames != 0) {
+			return -EINVAL;
+		}
+		memset(adapter->coal_conf, 0, sizeof(*adapter->coal_conf));
+		adapter->coal_conf->coalMode = VMXNET3_COALESCE_ADAPT;
+		goto done;
+	}
+
+	if ((ec->tx_max_coalesced_frames != 0) ||
+	    (ec->rx_max_coalesced_frames != 0)) {
+		if ((ec->tx_max_coalesced_frames >
+		    VMXNET3_COAL_STATIC_MAX_DEPTH) ||
+		    (ec->rx_max_coalesced_frames >
+		     VMXNET3_COAL_STATIC_MAX_DEPTH)) {
+			return -EINVAL;
+		}
+
+		memset(adapter->coal_conf, 0, sizeof(*adapter->coal_conf));
+		adapter->coal_conf->coalMode = VMXNET3_COALESCE_STATIC;
+
+		adapter->coal_conf->coalPara.coalStatic.tx_comp_depth =
+			(ec->tx_max_coalesced_frames ?
+			 ec->tx_max_coalesced_frames :
+			 VMXNET3_COAL_STATIC_DEFAULT_DEPTH);
+
+		adapter->coal_conf->coalPara.coalStatic.rx_depth =
+			(ec->rx_max_coalesced_frames ?
+			 ec->rx_max_coalesced_frames :
+			 VMXNET3_COAL_STATIC_DEFAULT_DEPTH);
+
+		adapter->coal_conf->coalPara.coalStatic.tx_depth =
+			 VMXNET3_COAL_STATIC_DEFAULT_DEPTH;
+		goto done;
+	}
+
+done:
+	adapter->default_coal_mode = false;
+	if (netif_running(netdev)) {
+		spin_lock_irqsave(&adapter->cmd_lock, flags);
+		cmdInfo->varConf.confVer = 1;
+		cmdInfo->varConf.confLen =
+			cpu_to_le32(sizeof(*adapter->coal_conf));
+		cmdInfo->varConf.confPA  = cpu_to_le64(adapter->coal_conf_pa);
+		VMXNET3_WRITE_BAR1_REG(adapter, VMXNET3_REG_CMD,
+				       VMXNET3_CMD_SET_COALESCE);
+		spin_unlock_irqrestore(&adapter->cmd_lock, flags);
+	}
+
+	return 0;
+}
+
+static void vmxnet3_get_channels(struct net_device *netdev,
+				 struct ethtool_channels *ec)
+{
+	struct vmxnet3_adapter *adapter = netdev_priv(netdev);
+
+	if (IS_ENABLED(CONFIG_PCI_MSI) && adapter->intr.type == VMXNET3_IT_MSIX) {
+		if (adapter->share_intr == VMXNET3_INTR_BUDDYSHARE) {
+			ec->combined_count = adapter->num_tx_queues;
+		} else {
+			ec->rx_count = adapter->num_rx_queues;
+			ec->tx_count =
+				adapter->share_intr == VMXNET3_INTR_TXSHARE ?
+					       1 : adapter->num_tx_queues;
+		}
+	} else {
+		ec->combined_count = 1;
+	}
+
+	ec->other_count = 1;
+
+	/* Number of interrupts cannot be changed on the fly */
+	/* Just set maximums to actual values */
+	ec->max_rx = ec->rx_count;
+	ec->max_tx = ec->tx_count;
+	ec->max_combined = ec->combined_count;
+	ec->max_other = ec->other_count;
+}
+
+static const struct ethtool_ops vmxnet3_ethtool_ops = {
+	.supported_coalesce_params = ETHTOOL_COALESCE_RX_USECS |
+				     ETHTOOL_COALESCE_MAX_FRAMES |
+				     ETHTOOL_COALESCE_USE_ADAPTIVE_RX,
+	.get_drvinfo       = vmxnet3_get_drvinfo,
+	.get_regs_len      = vmxnet3_get_regs_len,
+	.get_regs          = vmxnet3_get_regs,
+	.get_wol           = vmxnet3_get_wol,
+	.set_wol           = vmxnet3_set_wol,
+	.get_link          = ethtool_op_get_link,
+	.get_coalesce      = vmxnet3_get_coalesce,
+	.set_coalesce      = vmxnet3_set_coalesce,
+	.get_strings       = vmxnet3_get_strings,
+	.get_sset_count	   = vmxnet3_get_sset_count,
+	.get_ethtool_stats = vmxnet3_get_ethtool_stats,
+	.get_ringparam     = vmxnet3_get_ringparam,
+	.set_ringparam     = vmxnet3_set_ringparam,
+	.get_rxnfc         = vmxnet3_get_rxnfc,
+	.set_rxnfc         = vmxnet3_set_rxnfc,
+#ifdef VMXNET3_RSS
+	.get_rxfh_indir_size = vmxnet3_get_rss_indir_size,
+	.get_rxfh          = vmxnet3_get_rss,
+	.set_rxfh          = vmxnet3_set_rss,
+#endif
+	.get_link_ksettings = vmxnet3_get_link_ksettings,
+	.get_channels      = vmxnet3_get_channels,
+};
+
+void vmxnet3_set_ethtool_ops(struct net_device *netdev)
+{
+	netdev->ethtool_ops = &vmxnet3_ethtool_ops;
+}