1 files changed, 639 insertions, 0 deletions

diff --git a/drivers/net/ethernet/cisco/enic/enic_ethtool.c b/drivers/net/ethernet/cisco/enic/enic_ethtool.c
new file mode 100644
index 000000000..08b7cc0a1
--- /dev/null
+++ b/drivers/net/ethernet/cisco/enic/enic_ethtool.c
@@ -0,0 +1,639 @@
+// SPDX-License-Identifier: GPL-2.0-only
+// Copyright 2013 Cisco Systems, Inc.  All rights reserved.
+
+#include <linux/netdevice.h>
+#include <linux/ethtool.h>
+#include <linux/net_tstamp.h>
+
+#include "enic_res.h"
+#include "enic.h"
+#include "enic_dev.h"
+#include "enic_clsf.h"
+#include "vnic_rss.h"
+#include "vnic_stats.h"
+
+struct enic_stat {
+	char name[ETH_GSTRING_LEN];
+	unsigned int index;
+};
+
+#define ENIC_TX_STAT(stat) { \
+	.name = #stat, \
+	.index = offsetof(struct vnic_tx_stats, stat) / sizeof(u64) \
+}
+
+#define ENIC_RX_STAT(stat) { \
+	.name = #stat, \
+	.index = offsetof(struct vnic_rx_stats, stat) / sizeof(u64) \
+}
+
+#define ENIC_GEN_STAT(stat) { \
+	.name = #stat, \
+	.index = offsetof(struct vnic_gen_stats, stat) / sizeof(u64)\
+}
+
+static const struct enic_stat enic_tx_stats[] = {
+	ENIC_TX_STAT(tx_frames_ok),
+	ENIC_TX_STAT(tx_unicast_frames_ok),
+	ENIC_TX_STAT(tx_multicast_frames_ok),
+	ENIC_TX_STAT(tx_broadcast_frames_ok),
+	ENIC_TX_STAT(tx_bytes_ok),
+	ENIC_TX_STAT(tx_unicast_bytes_ok),
+	ENIC_TX_STAT(tx_multicast_bytes_ok),
+	ENIC_TX_STAT(tx_broadcast_bytes_ok),
+	ENIC_TX_STAT(tx_drops),
+	ENIC_TX_STAT(tx_errors),
+	ENIC_TX_STAT(tx_tso),
+};
+
+static const struct enic_stat enic_rx_stats[] = {
+	ENIC_RX_STAT(rx_frames_ok),
+	ENIC_RX_STAT(rx_frames_total),
+	ENIC_RX_STAT(rx_unicast_frames_ok),
+	ENIC_RX_STAT(rx_multicast_frames_ok),
+	ENIC_RX_STAT(rx_broadcast_frames_ok),
+	ENIC_RX_STAT(rx_bytes_ok),
+	ENIC_RX_STAT(rx_unicast_bytes_ok),
+	ENIC_RX_STAT(rx_multicast_bytes_ok),
+	ENIC_RX_STAT(rx_broadcast_bytes_ok),
+	ENIC_RX_STAT(rx_drop),
+	ENIC_RX_STAT(rx_no_bufs),
+	ENIC_RX_STAT(rx_errors),
+	ENIC_RX_STAT(rx_rss),
+	ENIC_RX_STAT(rx_crc_errors),
+	ENIC_RX_STAT(rx_frames_64),
+	ENIC_RX_STAT(rx_frames_127),
+	ENIC_RX_STAT(rx_frames_255),
+	ENIC_RX_STAT(rx_frames_511),
+	ENIC_RX_STAT(rx_frames_1023),
+	ENIC_RX_STAT(rx_frames_1518),
+	ENIC_RX_STAT(rx_frames_to_max),
+};
+
+static const struct enic_stat enic_gen_stats[] = {
+	ENIC_GEN_STAT(dma_map_error),
+};
+
+static const unsigned int enic_n_tx_stats = ARRAY_SIZE(enic_tx_stats);
+static const unsigned int enic_n_rx_stats = ARRAY_SIZE(enic_rx_stats);
+static const unsigned int enic_n_gen_stats = ARRAY_SIZE(enic_gen_stats);
+
+static void enic_intr_coal_set_rx(struct enic *enic, u32 timer)
+{
+	int i;
+	int intr;
+
+	for (i = 0; i < enic->rq_count; i++) {
+		intr = enic_msix_rq_intr(enic, i);
+		vnic_intr_coalescing_timer_set(&enic->intr[intr], timer);
+	}
+}
+
+static int enic_get_ksettings(struct net_device *netdev,
+			      struct ethtool_link_ksettings *ecmd)
+{
+	struct enic *enic = netdev_priv(netdev);
+	struct ethtool_link_settings *base = &ecmd->base;
+
+	ethtool_link_ksettings_add_link_mode(ecmd, supported,
+					     10000baseT_Full);
+	ethtool_link_ksettings_add_link_mode(ecmd, supported, FIBRE);
+	ethtool_link_ksettings_add_link_mode(ecmd, advertising,
+					     10000baseT_Full);
+	ethtool_link_ksettings_add_link_mode(ecmd, advertising, FIBRE);
+	base->port = PORT_FIBRE;
+
+	if (netif_carrier_ok(netdev)) {
+		base->speed = vnic_dev_port_speed(enic->vdev);
+		base->duplex = DUPLEX_FULL;
+	} else {
+		base->speed = SPEED_UNKNOWN;
+		base->duplex = DUPLEX_UNKNOWN;
+	}
+
+	base->autoneg = AUTONEG_DISABLE;
+
+	return 0;
+}
+
+static void enic_get_drvinfo(struct net_device *netdev,
+	struct ethtool_drvinfo *drvinfo)
+{
+	struct enic *enic = netdev_priv(netdev);
+	struct vnic_devcmd_fw_info *fw_info;
+	int err;
+
+	err = enic_dev_fw_info(enic, &fw_info);
+	/* return only when dma_alloc_coherent fails in vnic_dev_fw_info
+	 * For other failures, like devcmd failure, we return previously
+	 * recorded info.
+	 */
+	if (err == -ENOMEM)
+		return;
+
+	strscpy(drvinfo->driver, DRV_NAME, sizeof(drvinfo->driver));
+	strscpy(drvinfo->fw_version, fw_info->fw_version,
+		sizeof(drvinfo->fw_version));
+	strscpy(drvinfo->bus_info, pci_name(enic->pdev),
+		sizeof(drvinfo->bus_info));
+}
+
+static void enic_get_strings(struct net_device *netdev, u32 stringset,
+	u8 *data)
+{
+	unsigned int i;
+
+	switch (stringset) {
+	case ETH_SS_STATS:
+		for (i = 0; i < enic_n_tx_stats; i++) {
+			memcpy(data, enic_tx_stats[i].name, ETH_GSTRING_LEN);
+			data += ETH_GSTRING_LEN;
+		}
+		for (i = 0; i < enic_n_rx_stats; i++) {
+			memcpy(data, enic_rx_stats[i].name, ETH_GSTRING_LEN);
+			data += ETH_GSTRING_LEN;
+		}
+		for (i = 0; i < enic_n_gen_stats; i++) {
+			memcpy(data, enic_gen_stats[i].name, ETH_GSTRING_LEN);
+			data += ETH_GSTRING_LEN;
+		}
+		break;
+	}
+}
+
+static void enic_get_ringparam(struct net_device *netdev,
+			       struct ethtool_ringparam *ring,
+			       struct kernel_ethtool_ringparam *kernel_ring,
+			       struct netlink_ext_ack *extack)
+{
+	struct enic *enic = netdev_priv(netdev);
+	struct vnic_enet_config *c = &enic->config;
+
+	ring->rx_max_pending = ENIC_MAX_RQ_DESCS;
+	ring->rx_pending = c->rq_desc_count;
+	ring->tx_max_pending = ENIC_MAX_WQ_DESCS;
+	ring->tx_pending = c->wq_desc_count;
+}
+
+static int enic_set_ringparam(struct net_device *netdev,
+			      struct ethtool_ringparam *ring,
+			      struct kernel_ethtool_ringparam *kernel_ring,
+			      struct netlink_ext_ack *extack)
+{
+	struct enic *enic = netdev_priv(netdev);
+	struct vnic_enet_config *c = &enic->config;
+	int running = netif_running(netdev);
+	unsigned int rx_pending;
+	unsigned int tx_pending;
+	int err = 0;
+
+	if (ring->rx_mini_max_pending || ring->rx_mini_pending) {
+		netdev_info(netdev,
+			    "modifying mini ring params is not supported");
+		return -EINVAL;
+	}
+	if (ring->rx_jumbo_max_pending || ring->rx_jumbo_pending) {
+		netdev_info(netdev,
+			    "modifying jumbo ring params is not supported");
+		return -EINVAL;
+	}
+	rx_pending = c->rq_desc_count;
+	tx_pending = c->wq_desc_count;
+	if (ring->rx_pending > ENIC_MAX_RQ_DESCS ||
+	    ring->rx_pending < ENIC_MIN_RQ_DESCS) {
+		netdev_info(netdev, "rx pending (%u) not in range [%u,%u]",
+			    ring->rx_pending, ENIC_MIN_RQ_DESCS,
+			    ENIC_MAX_RQ_DESCS);
+		return -EINVAL;
+	}
+	if (ring->tx_pending > ENIC_MAX_WQ_DESCS ||
+	    ring->tx_pending < ENIC_MIN_WQ_DESCS) {
+		netdev_info(netdev, "tx pending (%u) not in range [%u,%u]",
+			    ring->tx_pending, ENIC_MIN_WQ_DESCS,
+			    ENIC_MAX_WQ_DESCS);
+		return -EINVAL;
+	}
+	if (running)
+		dev_close(netdev);
+	c->rq_desc_count =
+		ring->rx_pending & 0xffffffe0; /* must be aligned to groups of 32 */
+	c->wq_desc_count =
+		ring->tx_pending & 0xffffffe0; /* must be aligned to groups of 32 */
+	enic_free_vnic_resources(enic);
+	err = enic_alloc_vnic_resources(enic);
+	if (err) {
+		netdev_err(netdev,
+			   "Failed to alloc vNIC resources, aborting\n");
+		enic_free_vnic_resources(enic);
+		goto err_out;
+	}
+	enic_init_vnic_resources(enic);
+	if (running) {
+		err = dev_open(netdev, NULL);
+		if (err)
+			goto err_out;
+	}
+	return 0;
+err_out:
+	c->rq_desc_count = rx_pending;
+	c->wq_desc_count = tx_pending;
+	return err;
+}
+
+static int enic_get_sset_count(struct net_device *netdev, int sset)
+{
+	switch (sset) {
+	case ETH_SS_STATS:
+		return enic_n_tx_stats + enic_n_rx_stats + enic_n_gen_stats;
+	default:
+		return -EOPNOTSUPP;
+	}
+}
+
+static void enic_get_ethtool_stats(struct net_device *netdev,
+	struct ethtool_stats *stats, u64 *data)
+{
+	struct enic *enic = netdev_priv(netdev);
+	struct vnic_stats *vstats;
+	unsigned int i;
+	int err;
+
+	err = enic_dev_stats_dump(enic, &vstats);
+	/* return only when dma_alloc_coherent fails in vnic_dev_stats_dump
+	 * For other failures, like devcmd failure, we return previously
+	 * recorded stats.
+	 */
+	if (err == -ENOMEM)
+		return;
+
+	for (i = 0; i < enic_n_tx_stats; i++)
+		*(data++) = ((u64 *)&vstats->tx)[enic_tx_stats[i].index];
+	for (i = 0; i < enic_n_rx_stats; i++)
+		*(data++) = ((u64 *)&vstats->rx)[enic_rx_stats[i].index];
+	for (i = 0; i < enic_n_gen_stats; i++)
+		*(data++) = ((u64 *)&enic->gen_stats)[enic_gen_stats[i].index];
+}
+
+static u32 enic_get_msglevel(struct net_device *netdev)
+{
+	struct enic *enic = netdev_priv(netdev);
+	return enic->msg_enable;
+}
+
+static void enic_set_msglevel(struct net_device *netdev, u32 value)
+{
+	struct enic *enic = netdev_priv(netdev);
+	enic->msg_enable = value;
+}
+
+static int enic_get_coalesce(struct net_device *netdev,
+			     struct ethtool_coalesce *ecmd,
+			     struct kernel_ethtool_coalesce *kernel_coal,
+			     struct netlink_ext_ack *extack)
+{
+	struct enic *enic = netdev_priv(netdev);
+	struct enic_rx_coal *rxcoal = &enic->rx_coalesce_setting;
+
+	if (vnic_dev_get_intr_mode(enic->vdev) == VNIC_DEV_INTR_MODE_MSIX)
+		ecmd->tx_coalesce_usecs = enic->tx_coalesce_usecs;
+	ecmd->rx_coalesce_usecs = enic->rx_coalesce_usecs;
+	if (rxcoal->use_adaptive_rx_coalesce)
+		ecmd->use_adaptive_rx_coalesce = 1;
+	ecmd->rx_coalesce_usecs_low = rxcoal->small_pkt_range_start;
+	ecmd->rx_coalesce_usecs_high = rxcoal->range_end;
+
+	return 0;
+}
+
+static int enic_coalesce_valid(struct enic *enic,
+			       struct ethtool_coalesce *ec)
+{
+	u32 coalesce_usecs_max = vnic_dev_get_intr_coal_timer_max(enic->vdev);
+	u32 rx_coalesce_usecs_high = min_t(u32, coalesce_usecs_max,
+					   ec->rx_coalesce_usecs_high);
+	u32 rx_coalesce_usecs_low = min_t(u32, coalesce_usecs_max,
+					  ec->rx_coalesce_usecs_low);
+
+	if ((vnic_dev_get_intr_mode(enic->vdev) != VNIC_DEV_INTR_MODE_MSIX) &&
+	    ec->tx_coalesce_usecs)
+		return -EINVAL;
+
+	if ((ec->tx_coalesce_usecs > coalesce_usecs_max)	||
+	    (ec->rx_coalesce_usecs > coalesce_usecs_max)	||
+	    (ec->rx_coalesce_usecs_low > coalesce_usecs_max)	||
+	    (ec->rx_coalesce_usecs_high > coalesce_usecs_max))
+		netdev_info(enic->netdev, "ethtool_set_coalesce: adaptor supports max coalesce value of %d. Setting max value.\n",
+			    coalesce_usecs_max);
+
+	if (ec->rx_coalesce_usecs_high &&
+	    (rx_coalesce_usecs_high <
+	     rx_coalesce_usecs_low + ENIC_AIC_LARGE_PKT_DIFF))
+		return -EINVAL;
+
+	return 0;
+}
+
+static int enic_set_coalesce(struct net_device *netdev,
+			     struct ethtool_coalesce *ecmd,
+			     struct kernel_ethtool_coalesce *kernel_coal,
+			     struct netlink_ext_ack *extack)
+{
+	struct enic *enic = netdev_priv(netdev);
+	u32 tx_coalesce_usecs;
+	u32 rx_coalesce_usecs;
+	u32 rx_coalesce_usecs_low;
+	u32 rx_coalesce_usecs_high;
+	u32 coalesce_usecs_max;
+	unsigned int i, intr;
+	int ret;
+	struct enic_rx_coal *rxcoal = &enic->rx_coalesce_setting;
+
+	ret = enic_coalesce_valid(enic, ecmd);
+	if (ret)
+		return ret;
+	coalesce_usecs_max = vnic_dev_get_intr_coal_timer_max(enic->vdev);
+	tx_coalesce_usecs = min_t(u32, ecmd->tx_coalesce_usecs,
+				  coalesce_usecs_max);
+	rx_coalesce_usecs = min_t(u32, ecmd->rx_coalesce_usecs,
+				  coalesce_usecs_max);
+
+	rx_coalesce_usecs_low = min_t(u32, ecmd->rx_coalesce_usecs_low,
+				      coalesce_usecs_max);
+	rx_coalesce_usecs_high = min_t(u32, ecmd->rx_coalesce_usecs_high,
+				       coalesce_usecs_max);
+
+	if (vnic_dev_get_intr_mode(enic->vdev) == VNIC_DEV_INTR_MODE_MSIX) {
+		for (i = 0; i < enic->wq_count; i++) {
+			intr = enic_msix_wq_intr(enic, i);
+			vnic_intr_coalescing_timer_set(&enic->intr[intr],
+						       tx_coalesce_usecs);
+		}
+		enic->tx_coalesce_usecs = tx_coalesce_usecs;
+	}
+	rxcoal->use_adaptive_rx_coalesce = !!ecmd->use_adaptive_rx_coalesce;
+	if (!rxcoal->use_adaptive_rx_coalesce)
+		enic_intr_coal_set_rx(enic, rx_coalesce_usecs);
+	if (ecmd->rx_coalesce_usecs_high) {
+		rxcoal->range_end = rx_coalesce_usecs_high;
+		rxcoal->small_pkt_range_start = rx_coalesce_usecs_low;
+		rxcoal->large_pkt_range_start = rx_coalesce_usecs_low +
+						ENIC_AIC_LARGE_PKT_DIFF;
+	}
+
+	enic->rx_coalesce_usecs = rx_coalesce_usecs;
+
+	return 0;
+}
+
+static int enic_grxclsrlall(struct enic *enic, struct ethtool_rxnfc *cmd,
+			    u32 *rule_locs)
+{
+	int j, ret = 0, cnt = 0;
+
+	cmd->data = enic->rfs_h.max - enic->rfs_h.free;
+	for (j = 0; j < (1 << ENIC_RFS_FLW_BITSHIFT); j++) {
+		struct hlist_head *hhead;
+		struct hlist_node *tmp;
+		struct enic_rfs_fltr_node *n;
+
+		hhead = &enic->rfs_h.ht_head[j];
+		hlist_for_each_entry_safe(n, tmp, hhead, node) {
+			if (cnt == cmd->rule_cnt)
+				return -EMSGSIZE;
+			rule_locs[cnt] = n->fltr_id;
+			cnt++;
+		}
+	}
+	cmd->rule_cnt = cnt;
+
+	return ret;
+}
+
+static int enic_grxclsrule(struct enic *enic, struct ethtool_rxnfc *cmd)
+{
+	struct ethtool_rx_flow_spec *fsp =
+				(struct ethtool_rx_flow_spec *)&cmd->fs;
+	struct enic_rfs_fltr_node *n;
+
+	n = htbl_fltr_search(enic, (u16)fsp->location);
+	if (!n)
+		return -EINVAL;
+	switch (n->keys.basic.ip_proto) {
+	case IPPROTO_TCP:
+		fsp->flow_type = TCP_V4_FLOW;
+		break;
+	case IPPROTO_UDP:
+		fsp->flow_type = UDP_V4_FLOW;
+		break;
+	default:
+		return -EINVAL;
+	}
+
+	fsp->h_u.tcp_ip4_spec.ip4src = flow_get_u32_src(&n->keys);
+	fsp->m_u.tcp_ip4_spec.ip4src = (__u32)~0;
+
+	fsp->h_u.tcp_ip4_spec.ip4dst = flow_get_u32_dst(&n->keys);
+	fsp->m_u.tcp_ip4_spec.ip4dst = (__u32)~0;
+
+	fsp->h_u.tcp_ip4_spec.psrc = n->keys.ports.src;
+	fsp->m_u.tcp_ip4_spec.psrc = (__u16)~0;
+
+	fsp->h_u.tcp_ip4_spec.pdst = n->keys.ports.dst;
+	fsp->m_u.tcp_ip4_spec.pdst = (__u16)~0;
+
+	fsp->ring_cookie = n->rq_id;
+
+	return 0;
+}
+
+static int enic_get_rx_flow_hash(struct enic *enic, struct ethtool_rxnfc *cmd)
+{
+	u8 rss_hash_type = 0;
+	cmd->data = 0;
+
+	spin_lock_bh(&enic->devcmd_lock);
+	(void)vnic_dev_capable_rss_hash_type(enic->vdev, &rss_hash_type);
+	spin_unlock_bh(&enic->devcmd_lock);
+	switch (cmd->flow_type) {
+	case TCP_V6_FLOW:
+	case TCP_V4_FLOW:
+		cmd->data |= RXH_L4_B_0_1 | RXH_L4_B_2_3 |
+			     RXH_IP_SRC | RXH_IP_DST;
+		break;
+	case UDP_V6_FLOW:
+		cmd->data |= RXH_IP_SRC | RXH_IP_DST;
+		if (rss_hash_type & NIC_CFG_RSS_HASH_TYPE_UDP_IPV6)
+			cmd->data |= RXH_L4_B_0_1 | RXH_L4_B_2_3;
+		break;
+	case UDP_V4_FLOW:
+		cmd->data |= RXH_IP_SRC | RXH_IP_DST;
+		if (rss_hash_type & NIC_CFG_RSS_HASH_TYPE_UDP_IPV4)
+			cmd->data |= RXH_L4_B_0_1 | RXH_L4_B_2_3;
+		break;
+	case SCTP_V4_FLOW:
+	case AH_ESP_V4_FLOW:
+	case AH_V4_FLOW:
+	case ESP_V4_FLOW:
+	case SCTP_V6_FLOW:
+	case AH_ESP_V6_FLOW:
+	case AH_V6_FLOW:
+	case ESP_V6_FLOW:
+	case IPV4_FLOW:
+	case IPV6_FLOW:
+		cmd->data |= RXH_IP_SRC | RXH_IP_DST;
+		break;
+	default:
+		return -EINVAL;
+	}
+
+	return 0;
+}
+
+static int enic_get_rxnfc(struct net_device *dev, struct ethtool_rxnfc *cmd,
+			  u32 *rule_locs)
+{
+	struct enic *enic = netdev_priv(dev);
+	int ret = 0;
+
+	switch (cmd->cmd) {
+	case ETHTOOL_GRXRINGS:
+		cmd->data = enic->rq_count;
+		break;
+	case ETHTOOL_GRXCLSRLCNT:
+		spin_lock_bh(&enic->rfs_h.lock);
+		cmd->rule_cnt = enic->rfs_h.max - enic->rfs_h.free;
+		cmd->data = enic->rfs_h.max;
+		spin_unlock_bh(&enic->rfs_h.lock);
+		break;
+	case ETHTOOL_GRXCLSRLALL:
+		spin_lock_bh(&enic->rfs_h.lock);
+		ret = enic_grxclsrlall(enic, cmd, rule_locs);
+		spin_unlock_bh(&enic->rfs_h.lock);
+		break;
+	case ETHTOOL_GRXCLSRULE:
+		spin_lock_bh(&enic->rfs_h.lock);
+		ret = enic_grxclsrule(enic, cmd);
+		spin_unlock_bh(&enic->rfs_h.lock);
+		break;
+	case ETHTOOL_GRXFH:
+		ret = enic_get_rx_flow_hash(enic, cmd);
+		break;
+	default:
+		ret = -EOPNOTSUPP;
+		break;
+	}
+
+	return ret;
+}
+
+static int enic_get_tunable(struct net_device *dev,
+			    const struct ethtool_tunable *tuna, void *data)
+{
+	struct enic *enic = netdev_priv(dev);
+	int ret = 0;
+
+	switch (tuna->id) {
+	case ETHTOOL_RX_COPYBREAK:
+		*(u32 *)data = enic->rx_copybreak;
+		break;
+	default:
+		ret = -EINVAL;
+		break;
+	}
+
+	return ret;
+}
+
+static int enic_set_tunable(struct net_device *dev,
+			    const struct ethtool_tunable *tuna,
+			    const void *data)
+{
+	struct enic *enic = netdev_priv(dev);
+	int ret = 0;
+
+	switch (tuna->id) {
+	case ETHTOOL_RX_COPYBREAK:
+		enic->rx_copybreak = *(u32 *)data;
+		break;
+	default:
+		ret = -EINVAL;
+		break;
+	}
+
+	return ret;
+}
+
+static u32 enic_get_rxfh_key_size(struct net_device *netdev)
+{
+	return ENIC_RSS_LEN;
+}
+
+static int enic_get_rxfh(struct net_device *netdev, u32 *indir, u8 *hkey,
+			 u8 *hfunc)
+{
+	struct enic *enic = netdev_priv(netdev);
+
+	if (hkey)
+		memcpy(hkey, enic->rss_key, ENIC_RSS_LEN);
+
+	if (hfunc)
+		*hfunc = ETH_RSS_HASH_TOP;
+
+	return 0;
+}
+
+static int enic_set_rxfh(struct net_device *netdev, const u32 *indir,
+			 const u8 *hkey, const u8 hfunc)
+{
+	struct enic *enic = netdev_priv(netdev);
+
+	if ((hfunc != ETH_RSS_HASH_NO_CHANGE && hfunc != ETH_RSS_HASH_TOP) ||
+	    indir)
+		return -EINVAL;
+
+	if (hkey)
+		memcpy(enic->rss_key, hkey, ENIC_RSS_LEN);
+
+	return __enic_set_rsskey(enic);
+}
+
+static int enic_get_ts_info(struct net_device *netdev,
+			    struct ethtool_ts_info *info)
+{
+	info->so_timestamping = SOF_TIMESTAMPING_TX_SOFTWARE |
+				SOF_TIMESTAMPING_RX_SOFTWARE |
+				SOF_TIMESTAMPING_SOFTWARE;
+
+	return 0;
+}
+
+static const struct ethtool_ops enic_ethtool_ops = {
+	.supported_coalesce_params = ETHTOOL_COALESCE_USECS |
+				     ETHTOOL_COALESCE_USE_ADAPTIVE_RX |
+				     ETHTOOL_COALESCE_RX_USECS_LOW |
+				     ETHTOOL_COALESCE_RX_USECS_HIGH,
+	.get_drvinfo = enic_get_drvinfo,
+	.get_msglevel = enic_get_msglevel,
+	.set_msglevel = enic_set_msglevel,
+	.get_link = ethtool_op_get_link,
+	.get_strings = enic_get_strings,
+	.get_ringparam = enic_get_ringparam,
+	.set_ringparam = enic_set_ringparam,
+	.get_sset_count = enic_get_sset_count,
+	.get_ethtool_stats = enic_get_ethtool_stats,
+	.get_coalesce = enic_get_coalesce,
+	.set_coalesce = enic_set_coalesce,
+	.get_rxnfc = enic_get_rxnfc,
+	.get_tunable = enic_get_tunable,
+	.set_tunable = enic_set_tunable,
+	.get_rxfh_key_size = enic_get_rxfh_key_size,
+	.get_rxfh = enic_get_rxfh,
+	.set_rxfh = enic_set_rxfh,
+	.get_link_ksettings = enic_get_ksettings,
+	.get_ts_info = enic_get_ts_info,
+};
+
+void enic_set_ethtool_ops(struct net_device *netdev)
+{
+	netdev->ethtool_ops = &enic_ethtool_ops;
+}