1 files changed, 999 insertions, 0 deletions

diff --git a/drivers/net/ethernet/amazon/ena/ena_ethtool.c b/drivers/net/ethernet/amazon/ena/ena_ethtool.c
new file mode 100644
index 000000000..444ccef76
--- /dev/null
+++ b/drivers/net/ethernet/amazon/ena/ena_ethtool.c
@@ -0,0 +1,999 @@
+// SPDX-License-Identifier: GPL-2.0 OR Linux-OpenIB
+/*
+ * Copyright 2015-2020 Amazon.com, Inc. or its affiliates. All rights reserved.
+ */
+
+#include <linux/ethtool.h>
+#include <linux/pci.h>
+
+#include "ena_netdev.h"
+
+struct ena_stats {
+	char name[ETH_GSTRING_LEN];
+	int stat_offset;
+};
+
+#define ENA_STAT_ENA_COM_ENTRY(stat) { \
+	.name = #stat, \
+	.stat_offset = offsetof(struct ena_com_stats_admin, stat) / sizeof(u64) \
+}
+
+#define ENA_STAT_ENTRY(stat, stat_type) { \
+	.name = #stat, \
+	.stat_offset = offsetof(struct ena_stats_##stat_type, stat) / sizeof(u64) \
+}
+
+#define ENA_STAT_HW_ENTRY(stat, stat_type) { \
+	.name = #stat, \
+	.stat_offset = offsetof(struct ena_admin_##stat_type, stat) / sizeof(u64) \
+}
+
+#define ENA_STAT_RX_ENTRY(stat) \
+	ENA_STAT_ENTRY(stat, rx)
+
+#define ENA_STAT_TX_ENTRY(stat) \
+	ENA_STAT_ENTRY(stat, tx)
+
+#define ENA_STAT_GLOBAL_ENTRY(stat) \
+	ENA_STAT_ENTRY(stat, dev)
+
+#define ENA_STAT_ENI_ENTRY(stat) \
+	ENA_STAT_HW_ENTRY(stat, eni_stats)
+
+static const struct ena_stats ena_stats_global_strings[] = {
+	ENA_STAT_GLOBAL_ENTRY(tx_timeout),
+	ENA_STAT_GLOBAL_ENTRY(suspend),
+	ENA_STAT_GLOBAL_ENTRY(resume),
+	ENA_STAT_GLOBAL_ENTRY(wd_expired),
+	ENA_STAT_GLOBAL_ENTRY(interface_up),
+	ENA_STAT_GLOBAL_ENTRY(interface_down),
+	ENA_STAT_GLOBAL_ENTRY(admin_q_pause),
+};
+
+static const struct ena_stats ena_stats_eni_strings[] = {
+	ENA_STAT_ENI_ENTRY(bw_in_allowance_exceeded),
+	ENA_STAT_ENI_ENTRY(bw_out_allowance_exceeded),
+	ENA_STAT_ENI_ENTRY(pps_allowance_exceeded),
+	ENA_STAT_ENI_ENTRY(conntrack_allowance_exceeded),
+	ENA_STAT_ENI_ENTRY(linklocal_allowance_exceeded),
+};
+
+static const struct ena_stats ena_stats_tx_strings[] = {
+	ENA_STAT_TX_ENTRY(cnt),
+	ENA_STAT_TX_ENTRY(bytes),
+	ENA_STAT_TX_ENTRY(queue_stop),
+	ENA_STAT_TX_ENTRY(queue_wakeup),
+	ENA_STAT_TX_ENTRY(dma_mapping_err),
+	ENA_STAT_TX_ENTRY(linearize),
+	ENA_STAT_TX_ENTRY(linearize_failed),
+	ENA_STAT_TX_ENTRY(napi_comp),
+	ENA_STAT_TX_ENTRY(tx_poll),
+	ENA_STAT_TX_ENTRY(doorbells),
+	ENA_STAT_TX_ENTRY(prepare_ctx_err),
+	ENA_STAT_TX_ENTRY(bad_req_id),
+	ENA_STAT_TX_ENTRY(llq_buffer_copy),
+	ENA_STAT_TX_ENTRY(missed_tx),
+	ENA_STAT_TX_ENTRY(unmask_interrupt),
+};
+
+static const struct ena_stats ena_stats_rx_strings[] = {
+	ENA_STAT_RX_ENTRY(cnt),
+	ENA_STAT_RX_ENTRY(bytes),
+	ENA_STAT_RX_ENTRY(rx_copybreak_pkt),
+	ENA_STAT_RX_ENTRY(csum_good),
+	ENA_STAT_RX_ENTRY(refil_partial),
+	ENA_STAT_RX_ENTRY(csum_bad),
+	ENA_STAT_RX_ENTRY(page_alloc_fail),
+	ENA_STAT_RX_ENTRY(skb_alloc_fail),
+	ENA_STAT_RX_ENTRY(dma_mapping_err),
+	ENA_STAT_RX_ENTRY(bad_desc_num),
+	ENA_STAT_RX_ENTRY(bad_req_id),
+	ENA_STAT_RX_ENTRY(empty_rx_ring),
+	ENA_STAT_RX_ENTRY(csum_unchecked),
+	ENA_STAT_RX_ENTRY(xdp_aborted),
+	ENA_STAT_RX_ENTRY(xdp_drop),
+	ENA_STAT_RX_ENTRY(xdp_pass),
+	ENA_STAT_RX_ENTRY(xdp_tx),
+	ENA_STAT_RX_ENTRY(xdp_invalid),
+	ENA_STAT_RX_ENTRY(xdp_redirect),
+};
+
+static const struct ena_stats ena_stats_ena_com_strings[] = {
+	ENA_STAT_ENA_COM_ENTRY(aborted_cmd),
+	ENA_STAT_ENA_COM_ENTRY(submitted_cmd),
+	ENA_STAT_ENA_COM_ENTRY(completed_cmd),
+	ENA_STAT_ENA_COM_ENTRY(out_of_space),
+	ENA_STAT_ENA_COM_ENTRY(no_completion),
+};
+
+#define ENA_STATS_ARRAY_GLOBAL		ARRAY_SIZE(ena_stats_global_strings)
+#define ENA_STATS_ARRAY_TX		ARRAY_SIZE(ena_stats_tx_strings)
+#define ENA_STATS_ARRAY_RX		ARRAY_SIZE(ena_stats_rx_strings)
+#define ENA_STATS_ARRAY_ENA_COM		ARRAY_SIZE(ena_stats_ena_com_strings)
+#define ENA_STATS_ARRAY_ENI(adapter)	ARRAY_SIZE(ena_stats_eni_strings)
+
+static void ena_safe_update_stat(u64 *src, u64 *dst,
+				 struct u64_stats_sync *syncp)
+{
+	unsigned int start;
+
+	do {
+		start = u64_stats_fetch_begin_irq(syncp);
+		*(dst) = *src;
+	} while (u64_stats_fetch_retry_irq(syncp, start));
+}
+
+static void ena_queue_stats(struct ena_adapter *adapter, u64 **data)
+{
+	const struct ena_stats *ena_stats;
+	struct ena_ring *ring;
+
+	u64 *ptr;
+	int i, j;
+
+	for (i = 0; i < adapter->num_io_queues + adapter->xdp_num_queues; i++) {
+		/* Tx stats */
+		ring = &adapter->tx_ring[i];
+
+		for (j = 0; j < ENA_STATS_ARRAY_TX; j++) {
+			ena_stats = &ena_stats_tx_strings[j];
+
+			ptr = (u64 *)&ring->tx_stats + ena_stats->stat_offset;
+
+			ena_safe_update_stat(ptr, (*data)++, &ring->syncp);
+		}
+		/* XDP TX queues don't have a RX queue counterpart */
+		if (!ENA_IS_XDP_INDEX(adapter, i)) {
+			/* Rx stats */
+			ring = &adapter->rx_ring[i];
+
+			for (j = 0; j < ENA_STATS_ARRAY_RX; j++) {
+				ena_stats = &ena_stats_rx_strings[j];
+
+				ptr = (u64 *)&ring->rx_stats +
+					ena_stats->stat_offset;
+
+				ena_safe_update_stat(ptr, (*data)++, &ring->syncp);
+			}
+		}
+	}
+}
+
+static void ena_dev_admin_queue_stats(struct ena_adapter *adapter, u64 **data)
+{
+	const struct ena_stats *ena_stats;
+	u64 *ptr;
+	int i;
+
+	for (i = 0; i < ENA_STATS_ARRAY_ENA_COM; i++) {
+		ena_stats = &ena_stats_ena_com_strings[i];
+
+		ptr = (u64 *)&adapter->ena_dev->admin_queue.stats +
+			ena_stats->stat_offset;
+
+		*(*data)++ = *ptr;
+	}
+}
+
+static void ena_get_stats(struct ena_adapter *adapter,
+			  u64 *data,
+			  bool eni_stats_needed)
+{
+	const struct ena_stats *ena_stats;
+	u64 *ptr;
+	int i;
+
+	for (i = 0; i < ENA_STATS_ARRAY_GLOBAL; i++) {
+		ena_stats = &ena_stats_global_strings[i];
+
+		ptr = (u64 *)&adapter->dev_stats + ena_stats->stat_offset;
+
+		ena_safe_update_stat(ptr, data++, &adapter->syncp);
+	}
+
+	if (eni_stats_needed) {
+		ena_update_hw_stats(adapter);
+		for (i = 0; i < ENA_STATS_ARRAY_ENI(adapter); i++) {
+			ena_stats = &ena_stats_eni_strings[i];
+
+			ptr = (u64 *)&adapter->eni_stats +
+				ena_stats->stat_offset;
+
+			ena_safe_update_stat(ptr, data++, &adapter->syncp);
+		}
+	}
+
+	ena_queue_stats(adapter, &data);
+	ena_dev_admin_queue_stats(adapter, &data);
+}
+
+static void ena_get_ethtool_stats(struct net_device *netdev,
+				  struct ethtool_stats *stats,
+				  u64 *data)
+{
+	struct ena_adapter *adapter = netdev_priv(netdev);
+	struct ena_com_dev *dev = adapter->ena_dev;
+
+	ena_get_stats(adapter, data, ena_com_get_cap(dev, ENA_ADMIN_ENI_STATS));
+}
+
+static int ena_get_sw_stats_count(struct ena_adapter *adapter)
+{
+	return adapter->num_io_queues * (ENA_STATS_ARRAY_TX + ENA_STATS_ARRAY_RX)
+		+ adapter->xdp_num_queues * ENA_STATS_ARRAY_TX
+		+ ENA_STATS_ARRAY_GLOBAL + ENA_STATS_ARRAY_ENA_COM;
+}
+
+static int ena_get_hw_stats_count(struct ena_adapter *adapter)
+{
+	bool supported = ena_com_get_cap(adapter->ena_dev, ENA_ADMIN_ENI_STATS);
+
+	return ENA_STATS_ARRAY_ENI(adapter) * supported;
+}
+
+int ena_get_sset_count(struct net_device *netdev, int sset)
+{
+	struct ena_adapter *adapter = netdev_priv(netdev);
+
+	switch (sset) {
+	case ETH_SS_STATS:
+		return ena_get_sw_stats_count(adapter) +
+		       ena_get_hw_stats_count(adapter);
+	}
+
+	return -EOPNOTSUPP;
+}
+
+static void ena_queue_strings(struct ena_adapter *adapter, u8 **data)
+{
+	const struct ena_stats *ena_stats;
+	bool is_xdp;
+	int i, j;
+
+	for (i = 0; i < adapter->num_io_queues + adapter->xdp_num_queues; i++) {
+		is_xdp = ENA_IS_XDP_INDEX(adapter, i);
+		/* Tx stats */
+		for (j = 0; j < ENA_STATS_ARRAY_TX; j++) {
+			ena_stats = &ena_stats_tx_strings[j];
+
+			ethtool_sprintf(data,
+					"queue_%u_%s_%s", i,
+					is_xdp ? "xdp_tx" : "tx",
+					ena_stats->name);
+		}
+
+		if (!is_xdp) {
+			/* RX stats, in XDP there isn't a RX queue
+			 * counterpart
+			 */
+			for (j = 0; j < ENA_STATS_ARRAY_RX; j++) {
+				ena_stats = &ena_stats_rx_strings[j];
+
+				ethtool_sprintf(data,
+						"queue_%u_rx_%s", i,
+						ena_stats->name);
+			}
+		}
+	}
+}
+
+static void ena_com_dev_strings(u8 **data)
+{
+	const struct ena_stats *ena_stats;
+	int i;
+
+	for (i = 0; i < ENA_STATS_ARRAY_ENA_COM; i++) {
+		ena_stats = &ena_stats_ena_com_strings[i];
+
+		ethtool_sprintf(data,
+				"ena_admin_q_%s", ena_stats->name);
+	}
+}
+
+static void ena_get_strings(struct ena_adapter *adapter,
+			    u8 *data,
+			    bool eni_stats_needed)
+{
+	const struct ena_stats *ena_stats;
+	int i;
+
+	for (i = 0; i < ENA_STATS_ARRAY_GLOBAL; i++) {
+		ena_stats = &ena_stats_global_strings[i];
+		ethtool_sprintf(&data, ena_stats->name);
+	}
+
+	if (eni_stats_needed) {
+		for (i = 0; i < ENA_STATS_ARRAY_ENI(adapter); i++) {
+			ena_stats = &ena_stats_eni_strings[i];
+			ethtool_sprintf(&data, ena_stats->name);
+		}
+	}
+
+	ena_queue_strings(adapter, &data);
+	ena_com_dev_strings(&data);
+}
+
+static void ena_get_ethtool_strings(struct net_device *netdev,
+				    u32 sset,
+				    u8 *data)
+{
+	struct ena_adapter *adapter = netdev_priv(netdev);
+	struct ena_com_dev *dev = adapter->ena_dev;
+
+	switch (sset) {
+	case ETH_SS_STATS:
+		ena_get_strings(adapter, data, ena_com_get_cap(dev, ENA_ADMIN_ENI_STATS));
+		break;
+	}
+}
+
+static int ena_get_link_ksettings(struct net_device *netdev,
+				  struct ethtool_link_ksettings *link_ksettings)
+{
+	struct ena_adapter *adapter = netdev_priv(netdev);
+	struct ena_com_dev *ena_dev = adapter->ena_dev;
+	struct ena_admin_get_feature_link_desc *link;
+	struct ena_admin_get_feat_resp feat_resp;
+	int rc;
+
+	rc = ena_com_get_link_params(ena_dev, &feat_resp);
+	if (rc)
+		return rc;
+
+	link = &feat_resp.u.link;
+	link_ksettings->base.speed = link->speed;
+
+	if (link->flags & ENA_ADMIN_GET_FEATURE_LINK_DESC_AUTONEG_MASK) {
+		ethtool_link_ksettings_add_link_mode(link_ksettings,
+						     supported, Autoneg);
+		ethtool_link_ksettings_add_link_mode(link_ksettings,
+						     supported, Autoneg);
+	}
+
+	link_ksettings->base.autoneg =
+		(link->flags & ENA_ADMIN_GET_FEATURE_LINK_DESC_AUTONEG_MASK) ?
+		AUTONEG_ENABLE : AUTONEG_DISABLE;
+
+	link_ksettings->base.duplex = DUPLEX_FULL;
+
+	return 0;
+}
+
+static int ena_get_coalesce(struct net_device *net_dev,
+			    struct ethtool_coalesce *coalesce,
+			    struct kernel_ethtool_coalesce *kernel_coal,
+			    struct netlink_ext_ack *extack)
+{
+	struct ena_adapter *adapter = netdev_priv(net_dev);
+	struct ena_com_dev *ena_dev = adapter->ena_dev;
+
+	if (!ena_com_interrupt_moderation_supported(ena_dev))
+		return -EOPNOTSUPP;
+
+	coalesce->tx_coalesce_usecs =
+		ena_com_get_nonadaptive_moderation_interval_tx(ena_dev) *
+			ena_dev->intr_delay_resolution;
+
+	coalesce->rx_coalesce_usecs =
+		ena_com_get_nonadaptive_moderation_interval_rx(ena_dev)
+		* ena_dev->intr_delay_resolution;
+
+	coalesce->use_adaptive_rx_coalesce =
+		ena_com_get_adaptive_moderation_enabled(ena_dev);
+
+	return 0;
+}
+
+static void ena_update_tx_rings_nonadaptive_intr_moderation(struct ena_adapter *adapter)
+{
+	unsigned int val;
+	int i;
+
+	val = ena_com_get_nonadaptive_moderation_interval_tx(adapter->ena_dev);
+
+	for (i = 0; i < adapter->num_io_queues; i++)
+		adapter->tx_ring[i].smoothed_interval = val;
+}
+
+static void ena_update_rx_rings_nonadaptive_intr_moderation(struct ena_adapter *adapter)
+{
+	unsigned int val;
+	int i;
+
+	val = ena_com_get_nonadaptive_moderation_interval_rx(adapter->ena_dev);
+
+	for (i = 0; i < adapter->num_io_queues; i++)
+		adapter->rx_ring[i].smoothed_interval = val;
+}
+
+static int ena_set_coalesce(struct net_device *net_dev,
+			    struct ethtool_coalesce *coalesce,
+			    struct kernel_ethtool_coalesce *kernel_coal,
+			    struct netlink_ext_ack *extack)
+{
+	struct ena_adapter *adapter = netdev_priv(net_dev);
+	struct ena_com_dev *ena_dev = adapter->ena_dev;
+	int rc;
+
+	if (!ena_com_interrupt_moderation_supported(ena_dev))
+		return -EOPNOTSUPP;
+
+	rc = ena_com_update_nonadaptive_moderation_interval_tx(ena_dev,
+							       coalesce->tx_coalesce_usecs);
+	if (rc)
+		return rc;
+
+	ena_update_tx_rings_nonadaptive_intr_moderation(adapter);
+
+	rc = ena_com_update_nonadaptive_moderation_interval_rx(ena_dev,
+							       coalesce->rx_coalesce_usecs);
+	if (rc)
+		return rc;
+
+	ena_update_rx_rings_nonadaptive_intr_moderation(adapter);
+
+	if (coalesce->use_adaptive_rx_coalesce &&
+	    !ena_com_get_adaptive_moderation_enabled(ena_dev))
+		ena_com_enable_adaptive_moderation(ena_dev);
+
+	if (!coalesce->use_adaptive_rx_coalesce &&
+	    ena_com_get_adaptive_moderation_enabled(ena_dev))
+		ena_com_disable_adaptive_moderation(ena_dev);
+
+	return 0;
+}
+
+static u32 ena_get_msglevel(struct net_device *netdev)
+{
+	struct ena_adapter *adapter = netdev_priv(netdev);
+
+	return adapter->msg_enable;
+}
+
+static void ena_set_msglevel(struct net_device *netdev, u32 value)
+{
+	struct ena_adapter *adapter = netdev_priv(netdev);
+
+	adapter->msg_enable = value;
+}
+
+static void ena_get_drvinfo(struct net_device *dev,
+			    struct ethtool_drvinfo *info)
+{
+	struct ena_adapter *adapter = netdev_priv(dev);
+
+	strscpy(info->driver, DRV_MODULE_NAME, sizeof(info->driver));
+	strscpy(info->bus_info, pci_name(adapter->pdev),
+		sizeof(info->bus_info));
+}
+
+static void ena_get_ringparam(struct net_device *netdev,
+			      struct ethtool_ringparam *ring,
+			      struct kernel_ethtool_ringparam *kernel_ring,
+			      struct netlink_ext_ack *extack)
+{
+	struct ena_adapter *adapter = netdev_priv(netdev);
+
+	ring->tx_max_pending = adapter->max_tx_ring_size;
+	ring->rx_max_pending = adapter->max_rx_ring_size;
+	ring->tx_pending = adapter->tx_ring[0].ring_size;
+	ring->rx_pending = adapter->rx_ring[0].ring_size;
+}
+
+static int ena_set_ringparam(struct net_device *netdev,
+			     struct ethtool_ringparam *ring,
+			     struct kernel_ethtool_ringparam *kernel_ring,
+			     struct netlink_ext_ack *extack)
+{
+	struct ena_adapter *adapter = netdev_priv(netdev);
+	u32 new_tx_size, new_rx_size;
+
+	new_tx_size = ring->tx_pending < ENA_MIN_RING_SIZE ?
+			ENA_MIN_RING_SIZE : ring->tx_pending;
+	new_tx_size = rounddown_pow_of_two(new_tx_size);
+
+	new_rx_size = ring->rx_pending < ENA_MIN_RING_SIZE ?
+			ENA_MIN_RING_SIZE : ring->rx_pending;
+	new_rx_size = rounddown_pow_of_two(new_rx_size);
+
+	if (new_tx_size == adapter->requested_tx_ring_size &&
+	    new_rx_size == adapter->requested_rx_ring_size)
+		return 0;
+
+	return ena_update_queue_sizes(adapter, new_tx_size, new_rx_size);
+}
+
+static u32 ena_flow_hash_to_flow_type(u16 hash_fields)
+{
+	u32 data = 0;
+
+	if (hash_fields & ENA_ADMIN_RSS_L2_DA)
+		data |= RXH_L2DA;
+
+	if (hash_fields & ENA_ADMIN_RSS_L3_DA)
+		data |= RXH_IP_DST;
+
+	if (hash_fields & ENA_ADMIN_RSS_L3_SA)
+		data |= RXH_IP_SRC;
+
+	if (hash_fields & ENA_ADMIN_RSS_L4_DP)
+		data |= RXH_L4_B_2_3;
+
+	if (hash_fields & ENA_ADMIN_RSS_L4_SP)
+		data |= RXH_L4_B_0_1;
+
+	return data;
+}
+
+static u16 ena_flow_data_to_flow_hash(u32 hash_fields)
+{
+	u16 data = 0;
+
+	if (hash_fields & RXH_L2DA)
+		data |= ENA_ADMIN_RSS_L2_DA;
+
+	if (hash_fields & RXH_IP_DST)
+		data |= ENA_ADMIN_RSS_L3_DA;
+
+	if (hash_fields & RXH_IP_SRC)
+		data |= ENA_ADMIN_RSS_L3_SA;
+
+	if (hash_fields & RXH_L4_B_2_3)
+		data |= ENA_ADMIN_RSS_L4_DP;
+
+	if (hash_fields & RXH_L4_B_0_1)
+		data |= ENA_ADMIN_RSS_L4_SP;
+
+	return data;
+}
+
+static int ena_get_rss_hash(struct ena_com_dev *ena_dev,
+			    struct ethtool_rxnfc *cmd)
+{
+	enum ena_admin_flow_hash_proto proto;
+	u16 hash_fields;
+	int rc;
+
+	cmd->data = 0;
+
+	switch (cmd->flow_type) {
+	case TCP_V4_FLOW:
+		proto = ENA_ADMIN_RSS_TCP4;
+		break;
+	case UDP_V4_FLOW:
+		proto = ENA_ADMIN_RSS_UDP4;
+		break;
+	case TCP_V6_FLOW:
+		proto = ENA_ADMIN_RSS_TCP6;
+		break;
+	case UDP_V6_FLOW:
+		proto = ENA_ADMIN_RSS_UDP6;
+		break;
+	case IPV4_FLOW:
+		proto = ENA_ADMIN_RSS_IP4;
+		break;
+	case IPV6_FLOW:
+		proto = ENA_ADMIN_RSS_IP6;
+		break;
+	case ETHER_FLOW:
+		proto = ENA_ADMIN_RSS_NOT_IP;
+		break;
+	case AH_V4_FLOW:
+	case ESP_V4_FLOW:
+	case AH_V6_FLOW:
+	case ESP_V6_FLOW:
+	case SCTP_V4_FLOW:
+	case AH_ESP_V4_FLOW:
+		return -EOPNOTSUPP;
+	default:
+		return -EINVAL;
+	}
+
+	rc = ena_com_get_hash_ctrl(ena_dev, proto, &hash_fields);
+	if (rc)
+		return rc;
+
+	cmd->data = ena_flow_hash_to_flow_type(hash_fields);
+
+	return 0;
+}
+
+static int ena_set_rss_hash(struct ena_com_dev *ena_dev,
+			    struct ethtool_rxnfc *cmd)
+{
+	enum ena_admin_flow_hash_proto proto;
+	u16 hash_fields;
+
+	switch (cmd->flow_type) {
+	case TCP_V4_FLOW:
+		proto = ENA_ADMIN_RSS_TCP4;
+		break;
+	case UDP_V4_FLOW:
+		proto = ENA_ADMIN_RSS_UDP4;
+		break;
+	case TCP_V6_FLOW:
+		proto = ENA_ADMIN_RSS_TCP6;
+		break;
+	case UDP_V6_FLOW:
+		proto = ENA_ADMIN_RSS_UDP6;
+		break;
+	case IPV4_FLOW:
+		proto = ENA_ADMIN_RSS_IP4;
+		break;
+	case IPV6_FLOW:
+		proto = ENA_ADMIN_RSS_IP6;
+		break;
+	case ETHER_FLOW:
+		proto = ENA_ADMIN_RSS_NOT_IP;
+		break;
+	case AH_V4_FLOW:
+	case ESP_V4_FLOW:
+	case AH_V6_FLOW:
+	case ESP_V6_FLOW:
+	case SCTP_V4_FLOW:
+	case AH_ESP_V4_FLOW:
+		return -EOPNOTSUPP;
+	default:
+		return -EINVAL;
+	}
+
+	hash_fields = ena_flow_data_to_flow_hash(cmd->data);
+
+	return ena_com_fill_hash_ctrl(ena_dev, proto, hash_fields);
+}
+
+static int ena_set_rxnfc(struct net_device *netdev, struct ethtool_rxnfc *info)
+{
+	struct ena_adapter *adapter = netdev_priv(netdev);
+	int rc = 0;
+
+	switch (info->cmd) {
+	case ETHTOOL_SRXFH:
+		rc = ena_set_rss_hash(adapter->ena_dev, info);
+		break;
+	case ETHTOOL_SRXCLSRLDEL:
+	case ETHTOOL_SRXCLSRLINS:
+	default:
+		netif_err(adapter, drv, netdev,
+			  "Command parameter %d is not supported\n", info->cmd);
+		rc = -EOPNOTSUPP;
+	}
+
+	return rc;
+}
+
+static int ena_get_rxnfc(struct net_device *netdev, struct ethtool_rxnfc *info,
+			 u32 *rules)
+{
+	struct ena_adapter *adapter = netdev_priv(netdev);
+	int rc = 0;
+
+	switch (info->cmd) {
+	case ETHTOOL_GRXRINGS:
+		info->data = adapter->num_io_queues;
+		rc = 0;
+		break;
+	case ETHTOOL_GRXFH:
+		rc = ena_get_rss_hash(adapter->ena_dev, info);
+		break;
+	case ETHTOOL_GRXCLSRLCNT:
+	case ETHTOOL_GRXCLSRULE:
+	case ETHTOOL_GRXCLSRLALL:
+	default:
+		netif_err(adapter, drv, netdev,
+			  "Command parameter %d is not supported\n", info->cmd);
+		rc = -EOPNOTSUPP;
+	}
+
+	return rc;
+}
+
+static u32 ena_get_rxfh_indir_size(struct net_device *netdev)
+{
+	return ENA_RX_RSS_TABLE_SIZE;
+}
+
+static u32 ena_get_rxfh_key_size(struct net_device *netdev)
+{
+	return ENA_HASH_KEY_SIZE;
+}
+
+static int ena_indirection_table_set(struct ena_adapter *adapter,
+				     const u32 *indir)
+{
+	struct ena_com_dev *ena_dev = adapter->ena_dev;
+	int i, rc;
+
+	for (i = 0; i < ENA_RX_RSS_TABLE_SIZE; i++) {
+		rc = ena_com_indirect_table_fill_entry(ena_dev,
+						       i,
+						       ENA_IO_RXQ_IDX(indir[i]));
+		if (unlikely(rc)) {
+			netif_err(adapter, drv, adapter->netdev,
+				  "Cannot fill indirect table (index is too large)\n");
+			return rc;
+		}
+	}
+
+	rc = ena_com_indirect_table_set(ena_dev);
+	if (rc) {
+		netif_err(adapter, drv, adapter->netdev,
+			  "Cannot set indirect table\n");
+		return rc == -EPERM ? -EOPNOTSUPP : rc;
+	}
+	return rc;
+}
+
+static int ena_indirection_table_get(struct ena_adapter *adapter, u32 *indir)
+{
+	struct ena_com_dev *ena_dev = adapter->ena_dev;
+	int i, rc;
+
+	if (!indir)
+		return 0;
+
+	rc = ena_com_indirect_table_get(ena_dev, indir);
+	if (rc)
+		return rc;
+
+	/* Our internal representation of the indices is: even indices
+	 * for Tx and uneven indices for Rx. We need to convert the Rx
+	 * indices to be consecutive
+	 */
+	for (i = 0; i < ENA_RX_RSS_TABLE_SIZE; i++)
+		indir[i] = ENA_IO_RXQ_IDX_TO_COMBINED_IDX(indir[i]);
+
+	return rc;
+}
+
+static int ena_get_rxfh(struct net_device *netdev, u32 *indir, u8 *key,
+			u8 *hfunc)
+{
+	struct ena_adapter *adapter = netdev_priv(netdev);
+	enum ena_admin_hash_functions ena_func;
+	u8 func;
+	int rc;
+
+	rc = ena_indirection_table_get(adapter, indir);
+	if (rc)
+		return rc;
+
+	/* We call this function in order to check if the device
+	 * supports getting/setting the hash function.
+	 */
+	rc = ena_com_get_hash_function(adapter->ena_dev, &ena_func);
+	if (rc) {
+		if (rc == -EOPNOTSUPP)
+			rc = 0;
+
+		return rc;
+	}
+
+	rc = ena_com_get_hash_key(adapter->ena_dev, key);
+	if (rc)
+		return rc;
+
+	switch (ena_func) {
+	case ENA_ADMIN_TOEPLITZ:
+		func = ETH_RSS_HASH_TOP;
+		break;
+	case ENA_ADMIN_CRC32:
+		func = ETH_RSS_HASH_CRC32;
+		break;
+	default:
+		netif_err(adapter, drv, netdev,
+			  "Command parameter is not supported\n");
+		return -EOPNOTSUPP;
+	}
+
+	if (hfunc)
+		*hfunc = func;
+
+	return 0;
+}
+
+static int ena_set_rxfh(struct net_device *netdev, const u32 *indir,
+			const u8 *key, const u8 hfunc)
+{
+	struct ena_adapter *adapter = netdev_priv(netdev);
+	struct ena_com_dev *ena_dev = adapter->ena_dev;
+	enum ena_admin_hash_functions func = 0;
+	int rc;
+
+	if (indir) {
+		rc = ena_indirection_table_set(adapter, indir);
+		if (rc)
+			return rc;
+	}
+
+	switch (hfunc) {
+	case ETH_RSS_HASH_NO_CHANGE:
+		func = ena_com_get_current_hash_function(ena_dev);
+		break;
+	case ETH_RSS_HASH_TOP:
+		func = ENA_ADMIN_TOEPLITZ;
+		break;
+	case ETH_RSS_HASH_CRC32:
+		func = ENA_ADMIN_CRC32;
+		break;
+	default:
+		netif_err(adapter, drv, netdev, "Unsupported hfunc %d\n",
+			  hfunc);
+		return -EOPNOTSUPP;
+	}
+
+	if (key || func) {
+		rc = ena_com_fill_hash_function(ena_dev, func, key,
+						ENA_HASH_KEY_SIZE,
+						0xFFFFFFFF);
+		if (unlikely(rc)) {
+			netif_err(adapter, drv, netdev, "Cannot fill key\n");
+			return rc == -EPERM ? -EOPNOTSUPP : rc;
+		}
+	}
+
+	return 0;
+}
+
+static void ena_get_channels(struct net_device *netdev,
+			     struct ethtool_channels *channels)
+{
+	struct ena_adapter *adapter = netdev_priv(netdev);
+
+	channels->max_combined = adapter->max_num_io_queues;
+	channels->combined_count = adapter->num_io_queues;
+}
+
+static int ena_set_channels(struct net_device *netdev,
+			    struct ethtool_channels *channels)
+{
+	struct ena_adapter *adapter = netdev_priv(netdev);
+	u32 count = channels->combined_count;
+	/* The check for max value is already done in ethtool */
+	if (count < ENA_MIN_NUM_IO_QUEUES ||
+	    (ena_xdp_present(adapter) &&
+	    !ena_xdp_legal_queue_count(adapter, count)))
+		return -EINVAL;
+
+	return ena_update_queue_count(adapter, count);
+}
+
+static int ena_get_tunable(struct net_device *netdev,
+			   const struct ethtool_tunable *tuna, void *data)
+{
+	struct ena_adapter *adapter = netdev_priv(netdev);
+	int ret = 0;
+
+	switch (tuna->id) {
+	case ETHTOOL_RX_COPYBREAK:
+		*(u32 *)data = adapter->rx_copybreak;
+		break;
+	default:
+		ret = -EINVAL;
+		break;
+	}
+
+	return ret;
+}
+
+static int ena_set_tunable(struct net_device *netdev,
+			   const struct ethtool_tunable *tuna,
+			   const void *data)
+{
+	struct ena_adapter *adapter = netdev_priv(netdev);
+	int ret = 0;
+	u32 len;
+
+	switch (tuna->id) {
+	case ETHTOOL_RX_COPYBREAK:
+		len = *(u32 *)data;
+		ret = ena_set_rx_copybreak(adapter, len);
+		break;
+	default:
+		ret = -EINVAL;
+		break;
+	}
+
+	return ret;
+}
+
+static const struct ethtool_ops ena_ethtool_ops = {
+	.supported_coalesce_params = ETHTOOL_COALESCE_USECS |
+				     ETHTOOL_COALESCE_USE_ADAPTIVE_RX,
+	.get_link_ksettings	= ena_get_link_ksettings,
+	.get_drvinfo		= ena_get_drvinfo,
+	.get_msglevel		= ena_get_msglevel,
+	.set_msglevel		= ena_set_msglevel,
+	.get_link		= ethtool_op_get_link,
+	.get_coalesce		= ena_get_coalesce,
+	.set_coalesce		= ena_set_coalesce,
+	.get_ringparam		= ena_get_ringparam,
+	.set_ringparam		= ena_set_ringparam,
+	.get_sset_count         = ena_get_sset_count,
+	.get_strings		= ena_get_ethtool_strings,
+	.get_ethtool_stats      = ena_get_ethtool_stats,
+	.get_rxnfc		= ena_get_rxnfc,
+	.set_rxnfc		= ena_set_rxnfc,
+	.get_rxfh_indir_size    = ena_get_rxfh_indir_size,
+	.get_rxfh_key_size	= ena_get_rxfh_key_size,
+	.get_rxfh		= ena_get_rxfh,
+	.set_rxfh		= ena_set_rxfh,
+	.get_channels		= ena_get_channels,
+	.set_channels		= ena_set_channels,
+	.get_tunable		= ena_get_tunable,
+	.set_tunable		= ena_set_tunable,
+	.get_ts_info            = ethtool_op_get_ts_info,
+};
+
+void ena_set_ethtool_ops(struct net_device *netdev)
+{
+	netdev->ethtool_ops = &ena_ethtool_ops;
+}
+
+static void ena_dump_stats_ex(struct ena_adapter *adapter, u8 *buf)
+{
+	struct net_device *netdev = adapter->netdev;
+	u8 *strings_buf;
+	u64 *data_buf;
+	int strings_num;
+	int i, rc;
+
+	strings_num = ena_get_sw_stats_count(adapter);
+	if (strings_num <= 0) {
+		netif_err(adapter, drv, netdev, "Can't get stats num\n");
+		return;
+	}
+
+	strings_buf = devm_kcalloc(&adapter->pdev->dev,
+				   ETH_GSTRING_LEN, strings_num,
+				   GFP_ATOMIC);
+	if (!strings_buf) {
+		netif_err(adapter, drv, netdev,
+			  "Failed to allocate strings_buf\n");
+		return;
+	}
+
+	data_buf = devm_kcalloc(&adapter->pdev->dev,
+				strings_num, sizeof(u64),
+				GFP_ATOMIC);
+	if (!data_buf) {
+		netif_err(adapter, drv, netdev,
+			  "Failed to allocate data buf\n");
+		devm_kfree(&adapter->pdev->dev, strings_buf);
+		return;
+	}
+
+	ena_get_strings(adapter, strings_buf, false);
+	ena_get_stats(adapter, data_buf, false);
+
+	/* If there is a buffer, dump stats, otherwise print them to dmesg */
+	if (buf)
+		for (i = 0; i < strings_num; i++) {
+			rc = snprintf(buf, ETH_GSTRING_LEN + sizeof(u64),
+				      "%s %llu\n",
+				      strings_buf + i * ETH_GSTRING_LEN,
+				      data_buf[i]);
+			buf += rc;
+		}
+	else
+		for (i = 0; i < strings_num; i++)
+			netif_err(adapter, drv, netdev, "%s: %llu\n",
+				  strings_buf + i * ETH_GSTRING_LEN,
+				  data_buf[i]);
+
+	devm_kfree(&adapter->pdev->dev, strings_buf);
+	devm_kfree(&adapter->pdev->dev, data_buf);
+}
+
+void ena_dump_stats_to_buf(struct ena_adapter *adapter, u8 *buf)
+{
+	if (!buf)
+		return;
+
+	ena_dump_stats_ex(adapter, buf);
+}
+
+void ena_dump_stats_to_dmesg(struct ena_adapter *adapter)
+{
+	ena_dump_stats_ex(adapter, NULL);
+}