Adding upstream version 14.2.21.upstream/14.2.21upstream

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

1 files changed, 1642 insertions, 0 deletions

diff --git a/src/seastar/dpdk/drivers/net/sfc/sfc_ethdev.c b/src/seastar/dpdk/drivers/net/sfc/sfc_ethdev.c
new file mode 100644
index 00000000..4c9335f3
--- /dev/null
+++ b/src/seastar/dpdk/drivers/net/sfc/sfc_ethdev.c
@@ -0,0 +1,1642 @@
+/*-
+ *   BSD LICENSE
+ *
+ * Copyright (c) 2016-2017 Solarflare Communications Inc.
+ * All rights reserved.
+ *
+ * This software was jointly developed between OKTET Labs (under contract
+ * for Solarflare) and Solarflare Communications, Inc.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions are met:
+ *
+ * 1. Redistributions of source code must retain the above copyright notice,
+ *    this list of conditions and the following disclaimer.
+ * 2. 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.
+ *
+ * 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 THE COPYRIGHT OWNER OR
+ * CONTRIBUTORS 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 <rte_dev.h>
+#include <rte_ethdev.h>
+#include <rte_ethdev_pci.h>
+#include <rte_pci.h>
+#include <rte_errno.h>
+
+#include "efx.h"
+
+#include "sfc.h"
+#include "sfc_debug.h"
+#include "sfc_log.h"
+#include "sfc_kvargs.h"
+#include "sfc_ev.h"
+#include "sfc_rx.h"
+#include "sfc_tx.h"
+#include "sfc_flow.h"
+#include "sfc_dp.h"
+#include "sfc_dp_rx.h"
+
+static struct sfc_dp_list sfc_dp_head =
+	TAILQ_HEAD_INITIALIZER(sfc_dp_head);
+
+static int
+sfc_fw_version_get(struct rte_eth_dev *dev, char *fw_version, size_t fw_size)
+{
+	struct sfc_adapter *sa = dev->data->dev_private;
+	efx_nic_fw_info_t enfi;
+	int ret;
+	int rc;
+
+	/*
+	 * Return value of the callback is likely supposed to be
+	 * equal to or greater than 0, nevertheless, if an error
+	 * occurs, it will be desirable to pass it to the caller
+	 */
+	if ((fw_version == NULL) || (fw_size == 0))
+		return -EINVAL;
+
+	rc = efx_nic_get_fw_version(sa->nic, &enfi);
+	if (rc != 0)
+		return -rc;
+
+	ret = snprintf(fw_version, fw_size,
+		       "%" PRIu16 ".%" PRIu16 ".%" PRIu16 ".%" PRIu16,
+		       enfi.enfi_mc_fw_version[0], enfi.enfi_mc_fw_version[1],
+		       enfi.enfi_mc_fw_version[2], enfi.enfi_mc_fw_version[3]);
+	if (ret < 0)
+		return ret;
+
+	if (enfi.enfi_dpcpu_fw_ids_valid) {
+		size_t dpcpu_fw_ids_offset = MIN(fw_size - 1, (size_t)ret);
+		int ret_extra;
+
+		ret_extra = snprintf(fw_version + dpcpu_fw_ids_offset,
+				     fw_size - dpcpu_fw_ids_offset,
+				     " rx%" PRIx16 " tx%" PRIx16,
+				     enfi.enfi_rx_dpcpu_fw_id,
+				     enfi.enfi_tx_dpcpu_fw_id);
+		if (ret_extra < 0)
+			return ret_extra;
+
+		ret += ret_extra;
+	}
+
+	if (fw_size < (size_t)(++ret))
+		return ret;
+	else
+		return 0;
+}
+
+static void
+sfc_dev_infos_get(struct rte_eth_dev *dev, struct rte_eth_dev_info *dev_info)
+{
+	struct sfc_adapter *sa = dev->data->dev_private;
+	const efx_nic_cfg_t *encp = efx_nic_cfg_get(sa->nic);
+
+	sfc_log_init(sa, "entry");
+
+	dev_info->pci_dev = RTE_DEV_TO_PCI(dev->device);
+	dev_info->max_rx_pktlen = EFX_MAC_PDU_MAX;
+
+	/* Autonegotiation may be disabled */
+	dev_info->speed_capa = ETH_LINK_SPEED_FIXED;
+	if (sa->port.phy_adv_cap_mask & EFX_PHY_CAP_1000FDX)
+		dev_info->speed_capa |= ETH_LINK_SPEED_1G;
+	if (sa->port.phy_adv_cap_mask & EFX_PHY_CAP_10000FDX)
+		dev_info->speed_capa |= ETH_LINK_SPEED_10G;
+	if (sa->port.phy_adv_cap_mask & EFX_PHY_CAP_40000FDX)
+		dev_info->speed_capa |= ETH_LINK_SPEED_40G;
+
+	dev_info->max_rx_queues = sa->rxq_max;
+	dev_info->max_tx_queues = sa->txq_max;
+
+	/* By default packets are dropped if no descriptors are available */
+	dev_info->default_rxconf.rx_drop_en = 1;
+
+	dev_info->rx_offload_capa =
+		DEV_RX_OFFLOAD_IPV4_CKSUM |
+		DEV_RX_OFFLOAD_UDP_CKSUM |
+		DEV_RX_OFFLOAD_TCP_CKSUM;
+
+	dev_info->tx_offload_capa =
+		DEV_TX_OFFLOAD_IPV4_CKSUM |
+		DEV_TX_OFFLOAD_UDP_CKSUM |
+		DEV_TX_OFFLOAD_TCP_CKSUM;
+
+	dev_info->default_txconf.txq_flags = ETH_TXQ_FLAGS_NOXSUMSCTP;
+	if ((~sa->dp_tx->features & SFC_DP_TX_FEAT_VLAN_INSERT) ||
+	    !encp->enc_hw_tx_insert_vlan_enabled)
+		dev_info->default_txconf.txq_flags |= ETH_TXQ_FLAGS_NOVLANOFFL;
+	else
+		dev_info->tx_offload_capa |= DEV_TX_OFFLOAD_VLAN_INSERT;
+
+	if (~sa->dp_tx->features & SFC_DP_TX_FEAT_MULTI_SEG)
+		dev_info->default_txconf.txq_flags |= ETH_TXQ_FLAGS_NOMULTSEGS;
+
+#if EFSYS_OPT_RX_SCALE
+	if (sa->rss_support != EFX_RX_SCALE_UNAVAILABLE) {
+		dev_info->reta_size = EFX_RSS_TBL_SIZE;
+		dev_info->hash_key_size = SFC_RSS_KEY_SIZE;
+		dev_info->flow_type_rss_offloads = SFC_RSS_OFFLOADS;
+	}
+#endif
+
+	if (sa->tso)
+		dev_info->tx_offload_capa |= DEV_TX_OFFLOAD_TCP_TSO;
+
+	dev_info->rx_desc_lim.nb_max = EFX_RXQ_MAXNDESCS;
+	dev_info->rx_desc_lim.nb_min = EFX_RXQ_MINNDESCS;
+	/* The RXQ hardware requires that the descriptor count is a power
+	 * of 2, but rx_desc_lim cannot properly describe that constraint.
+	 */
+	dev_info->rx_desc_lim.nb_align = EFX_RXQ_MINNDESCS;
+
+	dev_info->tx_desc_lim.nb_max = sa->txq_max_entries;
+	dev_info->tx_desc_lim.nb_min = EFX_TXQ_MINNDESCS;
+	/*
+	 * The TXQ hardware requires that the descriptor count is a power
+	 * of 2, but tx_desc_lim cannot properly describe that constraint
+	 */
+	dev_info->tx_desc_lim.nb_align = EFX_TXQ_MINNDESCS;
+}
+
+static const uint32_t *
+sfc_dev_supported_ptypes_get(struct rte_eth_dev *dev)
+{
+	struct sfc_adapter *sa = dev->data->dev_private;
+
+	return sa->dp_rx->supported_ptypes_get();
+}
+
+static int
+sfc_dev_configure(struct rte_eth_dev *dev)
+{
+	struct rte_eth_dev_data *dev_data = dev->data;
+	struct sfc_adapter *sa = dev_data->dev_private;
+	int rc;
+
+	sfc_log_init(sa, "entry n_rxq=%u n_txq=%u",
+		     dev_data->nb_rx_queues, dev_data->nb_tx_queues);
+
+	sfc_adapter_lock(sa);
+	switch (sa->state) {
+	case SFC_ADAPTER_CONFIGURED:
+		/* FALLTHROUGH */
+	case SFC_ADAPTER_INITIALIZED:
+		rc = sfc_configure(sa);
+		break;
+	default:
+		sfc_err(sa, "unexpected adapter state %u to configure",
+			sa->state);
+		rc = EINVAL;
+		break;
+	}
+	sfc_adapter_unlock(sa);
+
+	sfc_log_init(sa, "done %d", rc);
+	SFC_ASSERT(rc >= 0);
+	return -rc;
+}
+
+static int
+sfc_dev_start(struct rte_eth_dev *dev)
+{
+	struct sfc_adapter *sa = dev->data->dev_private;
+	int rc;
+
+	sfc_log_init(sa, "entry");
+
+	sfc_adapter_lock(sa);
+	rc = sfc_start(sa);
+	sfc_adapter_unlock(sa);
+
+	sfc_log_init(sa, "done %d", rc);
+	SFC_ASSERT(rc >= 0);
+	return -rc;
+}
+
+static int
+sfc_dev_link_update(struct rte_eth_dev *dev, int wait_to_complete)
+{
+	struct sfc_adapter *sa = dev->data->dev_private;
+	struct rte_eth_link *dev_link = &dev->data->dev_link;
+	struct rte_eth_link old_link;
+	struct rte_eth_link current_link;
+
+	sfc_log_init(sa, "entry");
+
+retry:
+	EFX_STATIC_ASSERT(sizeof(*dev_link) == sizeof(rte_atomic64_t));
+	*(int64_t *)&old_link = rte_atomic64_read((rte_atomic64_t *)dev_link);
+
+	if (sa->state != SFC_ADAPTER_STARTED) {
+		sfc_port_link_mode_to_info(EFX_LINK_UNKNOWN, &current_link);
+		if (!rte_atomic64_cmpset((volatile uint64_t *)dev_link,
+					 *(uint64_t *)&old_link,
+					 *(uint64_t *)&current_link))
+			goto retry;
+	} else if (wait_to_complete) {
+		efx_link_mode_t link_mode;
+
+		if (efx_port_poll(sa->nic, &link_mode) != 0)
+			link_mode = EFX_LINK_UNKNOWN;
+		sfc_port_link_mode_to_info(link_mode, &current_link);
+
+		if (!rte_atomic64_cmpset((volatile uint64_t *)dev_link,
+					 *(uint64_t *)&old_link,
+					 *(uint64_t *)&current_link))
+			goto retry;
+	} else {
+		sfc_ev_mgmt_qpoll(sa);
+		*(int64_t *)&current_link =
+			rte_atomic64_read((rte_atomic64_t *)dev_link);
+	}
+
+	if (old_link.link_status != current_link.link_status)
+		sfc_info(sa, "Link status is %s",
+			 current_link.link_status ? "UP" : "DOWN");
+
+	return old_link.link_status == current_link.link_status ? 0 : -1;
+}
+
+static void
+sfc_dev_stop(struct rte_eth_dev *dev)
+{
+	struct sfc_adapter *sa = dev->data->dev_private;
+
+	sfc_log_init(sa, "entry");
+
+	sfc_adapter_lock(sa);
+	sfc_stop(sa);
+	sfc_adapter_unlock(sa);
+
+	sfc_log_init(sa, "done");
+}
+
+static int
+sfc_dev_set_link_up(struct rte_eth_dev *dev)
+{
+	struct sfc_adapter *sa = dev->data->dev_private;
+	int rc;
+
+	sfc_log_init(sa, "entry");
+
+	sfc_adapter_lock(sa);
+	rc = sfc_start(sa);
+	sfc_adapter_unlock(sa);
+
+	SFC_ASSERT(rc >= 0);
+	return -rc;
+}
+
+static int
+sfc_dev_set_link_down(struct rte_eth_dev *dev)
+{
+	struct sfc_adapter *sa = dev->data->dev_private;
+
+	sfc_log_init(sa, "entry");
+
+	sfc_adapter_lock(sa);
+	sfc_stop(sa);
+	sfc_adapter_unlock(sa);
+
+	return 0;
+}
+
+static void
+sfc_dev_close(struct rte_eth_dev *dev)
+{
+	struct sfc_adapter *sa = dev->data->dev_private;
+
+	sfc_log_init(sa, "entry");
+
+	sfc_adapter_lock(sa);
+	switch (sa->state) {
+	case SFC_ADAPTER_STARTED:
+		sfc_stop(sa);
+		SFC_ASSERT(sa->state == SFC_ADAPTER_CONFIGURED);
+		/* FALLTHROUGH */
+	case SFC_ADAPTER_CONFIGURED:
+		sfc_close(sa);
+		SFC_ASSERT(sa->state == SFC_ADAPTER_INITIALIZED);
+		/* FALLTHROUGH */
+	case SFC_ADAPTER_INITIALIZED:
+		break;
+	default:
+		sfc_err(sa, "unexpected adapter state %u on close", sa->state);
+		break;
+	}
+	sfc_adapter_unlock(sa);
+
+	sfc_log_init(sa, "done");
+}
+
+static void
+sfc_dev_filter_set(struct rte_eth_dev *dev, enum sfc_dev_filter_mode mode,
+		   boolean_t enabled)
+{
+	struct sfc_port *port;
+	boolean_t *toggle;
+	struct sfc_adapter *sa = dev->data->dev_private;
+	boolean_t allmulti = (mode == SFC_DEV_FILTER_MODE_ALLMULTI);
+	const char *desc = (allmulti) ? "all-multi" : "promiscuous";
+
+	sfc_adapter_lock(sa);
+
+	port = &sa->port;
+	toggle = (allmulti) ? (&port->allmulti) : (&port->promisc);
+
+	if (*toggle != enabled) {
+		*toggle = enabled;
+
+		if ((sa->state == SFC_ADAPTER_STARTED) &&
+		    (sfc_set_rx_mode(sa) != 0)) {
+			*toggle = !(enabled);
+			sfc_warn(sa, "Failed to %s %s mode",
+				 ((enabled) ? "enable" : "disable"), desc);
+		}
+	}
+
+	sfc_adapter_unlock(sa);
+}
+
+static void
+sfc_dev_promisc_enable(struct rte_eth_dev *dev)
+{
+	sfc_dev_filter_set(dev, SFC_DEV_FILTER_MODE_PROMISC, B_TRUE);
+}
+
+static void
+sfc_dev_promisc_disable(struct rte_eth_dev *dev)
+{
+	sfc_dev_filter_set(dev, SFC_DEV_FILTER_MODE_PROMISC, B_FALSE);
+}
+
+static void
+sfc_dev_allmulti_enable(struct rte_eth_dev *dev)
+{
+	sfc_dev_filter_set(dev, SFC_DEV_FILTER_MODE_ALLMULTI, B_TRUE);
+}
+
+static void
+sfc_dev_allmulti_disable(struct rte_eth_dev *dev)
+{
+	sfc_dev_filter_set(dev, SFC_DEV_FILTER_MODE_ALLMULTI, B_FALSE);
+}
+
+static int
+sfc_rx_queue_setup(struct rte_eth_dev *dev, uint16_t rx_queue_id,
+		   uint16_t nb_rx_desc, unsigned int socket_id,
+		   const struct rte_eth_rxconf *rx_conf,
+		   struct rte_mempool *mb_pool)
+{
+	struct sfc_adapter *sa = dev->data->dev_private;
+	int rc;
+
+	sfc_log_init(sa, "RxQ=%u nb_rx_desc=%u socket_id=%u",
+		     rx_queue_id, nb_rx_desc, socket_id);
+
+	sfc_adapter_lock(sa);
+
+	rc = sfc_rx_qinit(sa, rx_queue_id, nb_rx_desc, socket_id,
+			  rx_conf, mb_pool);
+	if (rc != 0)
+		goto fail_rx_qinit;
+
+	dev->data->rx_queues[rx_queue_id] = sa->rxq_info[rx_queue_id].rxq->dp;
+
+	sfc_adapter_unlock(sa);
+
+	return 0;
+
+fail_rx_qinit:
+	sfc_adapter_unlock(sa);
+	SFC_ASSERT(rc > 0);
+	return -rc;
+}
+
+static void
+sfc_rx_queue_release(void *queue)
+{
+	struct sfc_dp_rxq *dp_rxq = queue;
+	struct sfc_rxq *rxq;
+	struct sfc_adapter *sa;
+	unsigned int sw_index;
+
+	if (dp_rxq == NULL)
+		return;
+
+	rxq = sfc_rxq_by_dp_rxq(dp_rxq);
+	sa = rxq->evq->sa;
+	sfc_adapter_lock(sa);
+
+	sw_index = sfc_rxq_sw_index(rxq);
+
+	sfc_log_init(sa, "RxQ=%u", sw_index);
+
+	sa->eth_dev->data->rx_queues[sw_index] = NULL;
+
+	sfc_rx_qfini(sa, sw_index);
+
+	sfc_adapter_unlock(sa);
+}
+
+static int
+sfc_tx_queue_setup(struct rte_eth_dev *dev, uint16_t tx_queue_id,
+		   uint16_t nb_tx_desc, unsigned int socket_id,
+		   const struct rte_eth_txconf *tx_conf)
+{
+	struct sfc_adapter *sa = dev->data->dev_private;
+	int rc;
+
+	sfc_log_init(sa, "TxQ = %u, nb_tx_desc = %u, socket_id = %u",
+		     tx_queue_id, nb_tx_desc, socket_id);
+
+	sfc_adapter_lock(sa);
+
+	rc = sfc_tx_qinit(sa, tx_queue_id, nb_tx_desc, socket_id, tx_conf);
+	if (rc != 0)
+		goto fail_tx_qinit;
+
+	dev->data->tx_queues[tx_queue_id] = sa->txq_info[tx_queue_id].txq->dp;
+
+	sfc_adapter_unlock(sa);
+	return 0;
+
+fail_tx_qinit:
+	sfc_adapter_unlock(sa);
+	SFC_ASSERT(rc > 0);
+	return -rc;
+}
+
+static void
+sfc_tx_queue_release(void *queue)
+{
+	struct sfc_dp_txq *dp_txq = queue;
+	struct sfc_txq *txq;
+	unsigned int sw_index;
+	struct sfc_adapter *sa;
+
+	if (dp_txq == NULL)
+		return;
+
+	txq = sfc_txq_by_dp_txq(dp_txq);
+	sw_index = sfc_txq_sw_index(txq);
+
+	SFC_ASSERT(txq->evq != NULL);
+	sa = txq->evq->sa;
+
+	sfc_log_init(sa, "TxQ = %u", sw_index);
+
+	sfc_adapter_lock(sa);
+
+	SFC_ASSERT(sw_index < sa->eth_dev->data->nb_tx_queues);
+	sa->eth_dev->data->tx_queues[sw_index] = NULL;
+
+	sfc_tx_qfini(sa, sw_index);
+
+	sfc_adapter_unlock(sa);
+}
+
+static void
+sfc_stats_get(struct rte_eth_dev *dev, struct rte_eth_stats *stats)
+{
+	struct sfc_adapter *sa = dev->data->dev_private;
+	struct sfc_port *port = &sa->port;
+	uint64_t *mac_stats;
+
+	rte_spinlock_lock(&port->mac_stats_lock);
+
+	if (sfc_port_update_mac_stats(sa) != 0)
+		goto unlock;
+
+	mac_stats = port->mac_stats_buf;
+
+	if (EFX_MAC_STAT_SUPPORTED(port->mac_stats_mask,
+				   EFX_MAC_VADAPTER_RX_UNICAST_PACKETS)) {
+		stats->ipackets =
+			mac_stats[EFX_MAC_VADAPTER_RX_UNICAST_PACKETS] +
+			mac_stats[EFX_MAC_VADAPTER_RX_MULTICAST_PACKETS] +
+			mac_stats[EFX_MAC_VADAPTER_RX_BROADCAST_PACKETS];
+		stats->opackets =
+			mac_stats[EFX_MAC_VADAPTER_TX_UNICAST_PACKETS] +
+			mac_stats[EFX_MAC_VADAPTER_TX_MULTICAST_PACKETS] +
+			mac_stats[EFX_MAC_VADAPTER_TX_BROADCAST_PACKETS];
+		stats->ibytes =
+			mac_stats[EFX_MAC_VADAPTER_RX_UNICAST_BYTES] +
+			mac_stats[EFX_MAC_VADAPTER_RX_MULTICAST_BYTES] +
+			mac_stats[EFX_MAC_VADAPTER_RX_BROADCAST_BYTES];
+		stats->obytes =
+			mac_stats[EFX_MAC_VADAPTER_TX_UNICAST_BYTES] +
+			mac_stats[EFX_MAC_VADAPTER_TX_MULTICAST_BYTES] +
+			mac_stats[EFX_MAC_VADAPTER_TX_BROADCAST_BYTES];
+		stats->imissed = mac_stats[EFX_MAC_VADAPTER_RX_OVERFLOW];
+		stats->ierrors = mac_stats[EFX_MAC_VADAPTER_RX_BAD_PACKETS];
+		stats->oerrors = mac_stats[EFX_MAC_VADAPTER_TX_BAD_PACKETS];
+	} else {
+		stats->ipackets = mac_stats[EFX_MAC_RX_PKTS];
+		stats->opackets = mac_stats[EFX_MAC_TX_PKTS];
+		stats->ibytes = mac_stats[EFX_MAC_RX_OCTETS];
+		stats->obytes = mac_stats[EFX_MAC_TX_OCTETS];
+		/*
+		 * Take into account stats which are whenever supported
+		 * on EF10. If some stat is not supported by current
+		 * firmware variant or HW revision, it is guaranteed
+		 * to be zero in mac_stats.
+		 */
+		stats->imissed =
+			mac_stats[EFX_MAC_RX_NODESC_DROP_CNT] +
+			mac_stats[EFX_MAC_PM_TRUNC_BB_OVERFLOW] +
+			mac_stats[EFX_MAC_PM_DISCARD_BB_OVERFLOW] +
+			mac_stats[EFX_MAC_PM_TRUNC_VFIFO_FULL] +
+			mac_stats[EFX_MAC_PM_DISCARD_VFIFO_FULL] +
+			mac_stats[EFX_MAC_PM_TRUNC_QBB] +
+			mac_stats[EFX_MAC_PM_DISCARD_QBB] +
+			mac_stats[EFX_MAC_PM_DISCARD_MAPPING] +
+			mac_stats[EFX_MAC_RXDP_Q_DISABLED_PKTS] +
+			mac_stats[EFX_MAC_RXDP_DI_DROPPED_PKTS];
+		stats->ierrors =
+			mac_stats[EFX_MAC_RX_FCS_ERRORS] +
+			mac_stats[EFX_MAC_RX_ALIGN_ERRORS] +
+			mac_stats[EFX_MAC_RX_JABBER_PKTS];
+		/* no oerrors counters supported on EF10 */
+	}
+
+unlock:
+	rte_spinlock_unlock(&port->mac_stats_lock);
+}
+
+static void
+sfc_stats_reset(struct rte_eth_dev *dev)
+{
+	struct sfc_adapter *sa = dev->data->dev_private;
+	struct sfc_port *port = &sa->port;
+	int rc;
+
+	if (sa->state != SFC_ADAPTER_STARTED) {
+		/*
+		 * The operation cannot be done if port is not started; it
+		 * will be scheduled to be done during the next port start
+		 */
+		port->mac_stats_reset_pending = B_TRUE;
+		return;
+	}
+
+	rc = sfc_port_reset_mac_stats(sa);
+	if (rc != 0)
+		sfc_err(sa, "failed to reset statistics (rc = %d)", rc);
+}
+
+static int
+sfc_xstats_get(struct rte_eth_dev *dev, struct rte_eth_xstat *xstats,
+	       unsigned int xstats_count)
+{
+	struct sfc_adapter *sa = dev->data->dev_private;
+	struct sfc_port *port = &sa->port;
+	uint64_t *mac_stats;
+	int rc;
+	unsigned int i;
+	int nstats = 0;
+
+	rte_spinlock_lock(&port->mac_stats_lock);
+
+	rc = sfc_port_update_mac_stats(sa);
+	if (rc != 0) {
+		SFC_ASSERT(rc > 0);
+		nstats = -rc;
+		goto unlock;
+	}
+
+	mac_stats = port->mac_stats_buf;
+
+	for (i = 0; i < EFX_MAC_NSTATS; ++i) {
+		if (EFX_MAC_STAT_SUPPORTED(port->mac_stats_mask, i)) {
+			if (xstats != NULL && nstats < (int)xstats_count) {
+				xstats[nstats].id = nstats;
+				xstats[nstats].value = mac_stats[i];
+			}
+			nstats++;
+		}
+	}
+
+unlock:
+	rte_spinlock_unlock(&port->mac_stats_lock);
+
+	return nstats;
+}
+
+static int
+sfc_xstats_get_names(struct rte_eth_dev *dev,
+		     struct rte_eth_xstat_name *xstats_names,
+		     unsigned int xstats_count)
+{
+	struct sfc_adapter *sa = dev->data->dev_private;
+	struct sfc_port *port = &sa->port;
+	unsigned int i;
+	unsigned int nstats = 0;
+
+	for (i = 0; i < EFX_MAC_NSTATS; ++i) {
+		if (EFX_MAC_STAT_SUPPORTED(port->mac_stats_mask, i)) {
+			if (xstats_names != NULL && nstats < xstats_count)
+				strncpy(xstats_names[nstats].name,
+					efx_mac_stat_name(sa->nic, i),
+					sizeof(xstats_names[0].name));
+			nstats++;
+		}
+	}
+
+	return nstats;
+}
+
+static int
+sfc_flow_ctrl_get(struct rte_eth_dev *dev, struct rte_eth_fc_conf *fc_conf)
+{
+	struct sfc_adapter *sa = dev->data->dev_private;
+	unsigned int wanted_fc, link_fc;
+
+	memset(fc_conf, 0, sizeof(*fc_conf));
+
+	sfc_adapter_lock(sa);
+
+	if (sa->state == SFC_ADAPTER_STARTED)
+		efx_mac_fcntl_get(sa->nic, &wanted_fc, &link_fc);
+	else
+		link_fc = sa->port.flow_ctrl;
+
+	switch (link_fc) {
+	case 0:
+		fc_conf->mode = RTE_FC_NONE;
+		break;
+	case EFX_FCNTL_RESPOND:
+		fc_conf->mode = RTE_FC_RX_PAUSE;
+		break;
+	case EFX_FCNTL_GENERATE:
+		fc_conf->mode = RTE_FC_TX_PAUSE;
+		break;
+	case (EFX_FCNTL_RESPOND | EFX_FCNTL_GENERATE):
+		fc_conf->mode = RTE_FC_FULL;
+		break;
+	default:
+		sfc_err(sa, "%s: unexpected flow control value %#x",
+			__func__, link_fc);
+	}
+
+	fc_conf->autoneg = sa->port.flow_ctrl_autoneg;
+
+	sfc_adapter_unlock(sa);
+
+	return 0;
+}
+
+static int
+sfc_flow_ctrl_set(struct rte_eth_dev *dev, struct rte_eth_fc_conf *fc_conf)
+{
+	struct sfc_adapter *sa = dev->data->dev_private;
+	struct sfc_port *port = &sa->port;
+	unsigned int fcntl;
+	int rc;
+
+	if (fc_conf->high_water != 0 || fc_conf->low_water != 0 ||
+	    fc_conf->pause_time != 0 || fc_conf->send_xon != 0 ||
+	    fc_conf->mac_ctrl_frame_fwd != 0) {
+		sfc_err(sa, "unsupported flow control settings specified");
+		rc = EINVAL;
+		goto fail_inval;
+	}
+
+	switch (fc_conf->mode) {
+	case RTE_FC_NONE:
+		fcntl = 0;
+		break;
+	case RTE_FC_RX_PAUSE:
+		fcntl = EFX_FCNTL_RESPOND;
+		break;
+	case RTE_FC_TX_PAUSE:
+		fcntl = EFX_FCNTL_GENERATE;
+		break;
+	case RTE_FC_FULL:
+		fcntl = EFX_FCNTL_RESPOND | EFX_FCNTL_GENERATE;
+		break;
+	default:
+		rc = EINVAL;
+		goto fail_inval;
+	}
+
+	sfc_adapter_lock(sa);
+
+	if (sa->state == SFC_ADAPTER_STARTED) {
+		rc = efx_mac_fcntl_set(sa->nic, fcntl, fc_conf->autoneg);
+		if (rc != 0)
+			goto fail_mac_fcntl_set;
+	}
+
+	port->flow_ctrl = fcntl;
+	port->flow_ctrl_autoneg = fc_conf->autoneg;
+
+	sfc_adapter_unlock(sa);
+
+	return 0;
+
+fail_mac_fcntl_set:
+	sfc_adapter_unlock(sa);
+fail_inval:
+	SFC_ASSERT(rc > 0);
+	return -rc;
+}
+
+static int
+sfc_dev_set_mtu(struct rte_eth_dev *dev, uint16_t mtu)
+{
+	struct sfc_adapter *sa = dev->data->dev_private;
+	size_t pdu = EFX_MAC_PDU(mtu);
+	size_t old_pdu;
+	int rc;
+
+	sfc_log_init(sa, "mtu=%u", mtu);
+
+	rc = EINVAL;
+	if (pdu < EFX_MAC_PDU_MIN) {
+		sfc_err(sa, "too small MTU %u (PDU size %u less than min %u)",
+			(unsigned int)mtu, (unsigned int)pdu,
+			EFX_MAC_PDU_MIN);
+		goto fail_inval;
+	}
+	if (pdu > EFX_MAC_PDU_MAX) {
+		sfc_err(sa, "too big MTU %u (PDU size %u greater than max %u)",
+			(unsigned int)mtu, (unsigned int)pdu,
+			EFX_MAC_PDU_MAX);
+		goto fail_inval;
+	}
+
+	sfc_adapter_lock(sa);
+
+	if (pdu != sa->port.pdu) {
+		if (sa->state == SFC_ADAPTER_STARTED) {
+			sfc_stop(sa);
+
+			old_pdu = sa->port.pdu;
+			sa->port.pdu = pdu;
+			rc = sfc_start(sa);
+			if (rc != 0)
+				goto fail_start;
+		} else {
+			sa->port.pdu = pdu;
+		}
+	}
+
+	/*
+	 * The driver does not use it, but other PMDs update jumbo_frame
+	 * flag and max_rx_pkt_len when MTU is set.
+	 */
+	dev->data->dev_conf.rxmode.jumbo_frame = (mtu > ETHER_MAX_LEN);
+	dev->data->dev_conf.rxmode.max_rx_pkt_len = sa->port.pdu;
+
+	sfc_adapter_unlock(sa);
+
+	sfc_log_init(sa, "done");
+	return 0;
+
+fail_start:
+	sa->port.pdu = old_pdu;
+	if (sfc_start(sa) != 0)
+		sfc_err(sa, "cannot start with neither new (%u) nor old (%u) "
+			"PDU max size - port is stopped",
+			(unsigned int)pdu, (unsigned int)old_pdu);
+	sfc_adapter_unlock(sa);
+
+fail_inval:
+	sfc_log_init(sa, "failed %d", rc);
+	SFC_ASSERT(rc > 0);
+	return -rc;
+}
+static void
+sfc_mac_addr_set(struct rte_eth_dev *dev, struct ether_addr *mac_addr)
+{
+	struct sfc_adapter *sa = dev->data->dev_private;
+	const efx_nic_cfg_t *encp = efx_nic_cfg_get(sa->nic);
+	int rc;
+
+	sfc_adapter_lock(sa);
+
+	if (sa->state != SFC_ADAPTER_STARTED) {
+		sfc_info(sa, "the port is not started");
+		sfc_info(sa, "the new MAC address will be set on port start");
+
+		goto unlock;
+	}
+
+	if (encp->enc_allow_set_mac_with_installed_filters) {
+		rc = efx_mac_addr_set(sa->nic, mac_addr->addr_bytes);
+		if (rc != 0) {
+			sfc_err(sa, "cannot set MAC address (rc = %u)", rc);
+			goto unlock;
+		}
+
+		/*
+		 * Changing the MAC address by means of MCDI request
+		 * has no effect on received traffic, therefore
+		 * we also need to update unicast filters
+		 */
+		rc = sfc_set_rx_mode(sa);
+		if (rc != 0)
+			sfc_err(sa, "cannot set filter (rc = %u)", rc);
+	} else {
+		sfc_warn(sa, "cannot set MAC address with filters installed");
+		sfc_warn(sa, "adapter will be restarted to pick the new MAC");
+		sfc_warn(sa, "(some traffic may be dropped)");
+
+		/*
+		 * Since setting MAC address with filters installed is not
+		 * allowed on the adapter, one needs to simply restart adapter
+		 * so that the new MAC address will be taken from an outer
+		 * storage and set flawlessly by means of sfc_start() call
+		 */
+		sfc_stop(sa);
+		rc = sfc_start(sa);
+		if (rc != 0)
+			sfc_err(sa, "cannot restart adapter (rc = %u)", rc);
+	}
+
+unlock:
+	sfc_adapter_unlock(sa);
+}
+
+
+static int
+sfc_set_mc_addr_list(struct rte_eth_dev *dev, struct ether_addr *mc_addr_set,
+		     uint32_t nb_mc_addr)
+{
+	struct sfc_adapter *sa = dev->data->dev_private;
+	struct sfc_port *port = &sa->port;
+	uint8_t *mc_addrs = port->mcast_addrs;
+	int rc;
+	unsigned int i;
+
+	if (mc_addrs == NULL)
+		return -ENOBUFS;
+
+	if (nb_mc_addr > port->max_mcast_addrs) {
+		sfc_err(sa, "too many multicast addresses: %u > %u",
+			 nb_mc_addr, port->max_mcast_addrs);
+		return -EINVAL;
+	}
+
+	for (i = 0; i < nb_mc_addr; ++i) {
+		(void)rte_memcpy(mc_addrs, mc_addr_set[i].addr_bytes,
+				 EFX_MAC_ADDR_LEN);
+		mc_addrs += EFX_MAC_ADDR_LEN;
+	}
+
+	port->nb_mcast_addrs = nb_mc_addr;
+
+	if (sa->state != SFC_ADAPTER_STARTED)
+		return 0;
+
+	rc = efx_mac_multicast_list_set(sa->nic, port->mcast_addrs,
+					port->nb_mcast_addrs);
+	if (rc != 0)
+		sfc_err(sa, "cannot set multicast address list (rc = %u)", rc);
+
+	SFC_ASSERT(rc > 0);
+	return -rc;
+}
+
+static void
+sfc_rx_queue_info_get(struct rte_eth_dev *dev, uint16_t rx_queue_id,
+		      struct rte_eth_rxq_info *qinfo)
+{
+	struct sfc_adapter *sa = dev->data->dev_private;
+	struct sfc_rxq_info *rxq_info;
+	struct sfc_rxq *rxq;
+
+	sfc_adapter_lock(sa);
+
+	SFC_ASSERT(rx_queue_id < sa->rxq_count);
+
+	rxq_info = &sa->rxq_info[rx_queue_id];
+	rxq = rxq_info->rxq;
+	SFC_ASSERT(rxq != NULL);
+
+	qinfo->mp = rxq->refill_mb_pool;
+	qinfo->conf.rx_free_thresh = rxq->refill_threshold;
+	qinfo->conf.rx_drop_en = 1;
+	qinfo->conf.rx_deferred_start = rxq_info->deferred_start;
+	qinfo->scattered_rx = (rxq_info->type == EFX_RXQ_TYPE_SCATTER);
+	qinfo->nb_desc = rxq_info->entries;
+
+	sfc_adapter_unlock(sa);
+}
+
+static void
+sfc_tx_queue_info_get(struct rte_eth_dev *dev, uint16_t tx_queue_id,
+		      struct rte_eth_txq_info *qinfo)
+{
+	struct sfc_adapter *sa = dev->data->dev_private;
+	struct sfc_txq_info *txq_info;
+
+	sfc_adapter_lock(sa);
+
+	SFC_ASSERT(tx_queue_id < sa->txq_count);
+
+	txq_info = &sa->txq_info[tx_queue_id];
+	SFC_ASSERT(txq_info->txq != NULL);
+
+	memset(qinfo, 0, sizeof(*qinfo));
+
+	qinfo->conf.txq_flags = txq_info->txq->flags;
+	qinfo->conf.tx_free_thresh = txq_info->txq->free_thresh;
+	qinfo->conf.tx_deferred_start = txq_info->deferred_start;
+	qinfo->nb_desc = txq_info->entries;
+
+	sfc_adapter_unlock(sa);
+}
+
+static uint32_t
+sfc_rx_queue_count(struct rte_eth_dev *dev, uint16_t rx_queue_id)
+{
+	struct sfc_adapter *sa = dev->data->dev_private;
+
+	sfc_log_init(sa, "RxQ=%u", rx_queue_id);
+
+	return sfc_rx_qdesc_npending(sa, rx_queue_id);
+}
+
+static int
+sfc_rx_descriptor_done(void *queue, uint16_t offset)
+{
+	struct sfc_dp_rxq *dp_rxq = queue;
+
+	return sfc_rx_qdesc_done(dp_rxq, offset);
+}
+
+static int
+sfc_rx_queue_start(struct rte_eth_dev *dev, uint16_t rx_queue_id)
+{
+	struct sfc_adapter *sa = dev->data->dev_private;
+	int rc;
+
+	sfc_log_init(sa, "RxQ=%u", rx_queue_id);
+
+	sfc_adapter_lock(sa);
+
+	rc = EINVAL;
+	if (sa->state != SFC_ADAPTER_STARTED)
+		goto fail_not_started;
+
+	rc = sfc_rx_qstart(sa, rx_queue_id);
+	if (rc != 0)
+		goto fail_rx_qstart;
+
+	sa->rxq_info[rx_queue_id].deferred_started = B_TRUE;
+
+	sfc_adapter_unlock(sa);
+
+	return 0;
+
+fail_rx_qstart:
+fail_not_started:
+	sfc_adapter_unlock(sa);
+	SFC_ASSERT(rc > 0);
+	return -rc;
+}
+
+static int
+sfc_rx_queue_stop(struct rte_eth_dev *dev, uint16_t rx_queue_id)
+{
+	struct sfc_adapter *sa = dev->data->dev_private;
+
+	sfc_log_init(sa, "RxQ=%u", rx_queue_id);
+
+	sfc_adapter_lock(sa);
+	sfc_rx_qstop(sa, rx_queue_id);
+
+	sa->rxq_info[rx_queue_id].deferred_started = B_FALSE;
+
+	sfc_adapter_unlock(sa);
+
+	return 0;
+}
+
+static int
+sfc_tx_queue_start(struct rte_eth_dev *dev, uint16_t tx_queue_id)
+{
+	struct sfc_adapter *sa = dev->data->dev_private;
+	int rc;
+
+	sfc_log_init(sa, "TxQ = %u", tx_queue_id);
+
+	sfc_adapter_lock(sa);
+
+	rc = EINVAL;
+	if (sa->state != SFC_ADAPTER_STARTED)
+		goto fail_not_started;
+
+	rc = sfc_tx_qstart(sa, tx_queue_id);
+	if (rc != 0)
+		goto fail_tx_qstart;
+
+	sa->txq_info[tx_queue_id].deferred_started = B_TRUE;
+
+	sfc_adapter_unlock(sa);
+	return 0;
+
+fail_tx_qstart:
+
+fail_not_started:
+	sfc_adapter_unlock(sa);
+	SFC_ASSERT(rc > 0);
+	return -rc;
+}
+
+static int
+sfc_tx_queue_stop(struct rte_eth_dev *dev, uint16_t tx_queue_id)
+{
+	struct sfc_adapter *sa = dev->data->dev_private;
+
+	sfc_log_init(sa, "TxQ = %u", tx_queue_id);
+
+	sfc_adapter_lock(sa);
+
+	sfc_tx_qstop(sa, tx_queue_id);
+
+	sa->txq_info[tx_queue_id].deferred_started = B_FALSE;
+
+	sfc_adapter_unlock(sa);
+	return 0;
+}
+
+#if EFSYS_OPT_RX_SCALE
+static int
+sfc_dev_rss_hash_conf_get(struct rte_eth_dev *dev,
+			  struct rte_eth_rss_conf *rss_conf)
+{
+	struct sfc_adapter *sa = dev->data->dev_private;
+
+	if (sa->rss_support != EFX_RX_SCALE_EXCLUSIVE)
+		return -ENOTSUP;
+
+	if (sa->rss_channels == 0)
+		return -EINVAL;
+
+	sfc_adapter_lock(sa);
+
+	/*
+	 * Mapping of hash configuration between RTE and EFX is not one-to-one,
+	 * hence, conversion is done here to derive a correct set of ETH_RSS
+	 * flags which corresponds to the active EFX configuration stored
+	 * locally in 'sfc_adapter' and kept up-to-date
+	 */
+	rss_conf->rss_hf = sfc_efx_to_rte_hash_type(sa->rss_hash_types);
+	rss_conf->rss_key_len = SFC_RSS_KEY_SIZE;
+	if (rss_conf->rss_key != NULL)
+		rte_memcpy(rss_conf->rss_key, sa->rss_key, SFC_RSS_KEY_SIZE);
+
+	sfc_adapter_unlock(sa);
+
+	return 0;
+}
+
+static int
+sfc_dev_rss_hash_update(struct rte_eth_dev *dev,
+			struct rte_eth_rss_conf *rss_conf)
+{
+	struct sfc_adapter *sa = dev->data->dev_private;
+	unsigned int efx_hash_types;
+	int rc = 0;
+
+	if (sa->rss_support != EFX_RX_SCALE_EXCLUSIVE) {
+		sfc_err(sa, "RSS is not available");
+		return -ENOTSUP;
+	}
+
+	if (sa->rss_channels == 0) {
+		sfc_err(sa, "RSS is not configured");
+		return -EINVAL;
+	}
+
+	if ((rss_conf->rss_key != NULL) &&
+	    (rss_conf->rss_key_len != sizeof(sa->rss_key))) {
+		sfc_err(sa, "RSS key size is wrong (should be %lu)",
+			sizeof(sa->rss_key));
+		return -EINVAL;
+	}
+
+	if ((rss_conf->rss_hf & ~SFC_RSS_OFFLOADS) != 0) {
+		sfc_err(sa, "unsupported hash functions requested");
+		return -EINVAL;
+	}
+
+	sfc_adapter_lock(sa);
+
+	efx_hash_types = sfc_rte_to_efx_hash_type(rss_conf->rss_hf);
+
+	rc = efx_rx_scale_mode_set(sa->nic, EFX_RX_HASHALG_TOEPLITZ,
+				   efx_hash_types, B_TRUE);
+	if (rc != 0)
+		goto fail_scale_mode_set;
+
+	if (rss_conf->rss_key != NULL) {
+		if (sa->state == SFC_ADAPTER_STARTED) {
+			rc = efx_rx_scale_key_set(sa->nic, rss_conf->rss_key,
+						  sizeof(sa->rss_key));
+			if (rc != 0)
+				goto fail_scale_key_set;
+		}
+
+		rte_memcpy(sa->rss_key, rss_conf->rss_key, sizeof(sa->rss_key));
+	}
+
+	sa->rss_hash_types = efx_hash_types;
+
+	sfc_adapter_unlock(sa);
+
+	return 0;
+
+fail_scale_key_set:
+	if (efx_rx_scale_mode_set(sa->nic, EFX_RX_HASHALG_TOEPLITZ,
+				  sa->rss_hash_types, B_TRUE) != 0)
+		sfc_err(sa, "failed to restore RSS mode");
+
+fail_scale_mode_set:
+	sfc_adapter_unlock(sa);
+	return -rc;
+}
+
+static int
+sfc_dev_rss_reta_query(struct rte_eth_dev *dev,
+		       struct rte_eth_rss_reta_entry64 *reta_conf,
+		       uint16_t reta_size)
+{
+	struct sfc_adapter *sa = dev->data->dev_private;
+	int entry;
+
+	if (sa->rss_support != EFX_RX_SCALE_EXCLUSIVE)
+		return -ENOTSUP;
+
+	if (sa->rss_channels == 0)
+		return -EINVAL;
+
+	if (reta_size != EFX_RSS_TBL_SIZE)
+		return -EINVAL;
+
+	sfc_adapter_lock(sa);
+
+	for (entry = 0; entry < reta_size; entry++) {
+		int grp = entry / RTE_RETA_GROUP_SIZE;
+		int grp_idx = entry % RTE_RETA_GROUP_SIZE;
+
+		if ((reta_conf[grp].mask >> grp_idx) & 1)
+			reta_conf[grp].reta[grp_idx] = sa->rss_tbl[entry];
+	}
+
+	sfc_adapter_unlock(sa);
+
+	return 0;
+}
+
+static int
+sfc_dev_rss_reta_update(struct rte_eth_dev *dev,
+			struct rte_eth_rss_reta_entry64 *reta_conf,
+			uint16_t reta_size)
+{
+	struct sfc_adapter *sa = dev->data->dev_private;
+	unsigned int *rss_tbl_new;
+	uint16_t entry;
+	int rc;
+
+
+	if (sa->rss_support != EFX_RX_SCALE_EXCLUSIVE) {
+		sfc_err(sa, "RSS is not available");
+		return -ENOTSUP;
+	}
+
+	if (sa->rss_channels == 0) {
+		sfc_err(sa, "RSS is not configured");
+		return -EINVAL;
+	}
+
+	if (reta_size != EFX_RSS_TBL_SIZE) {
+		sfc_err(sa, "RETA size is wrong (should be %u)",
+			EFX_RSS_TBL_SIZE);
+		return -EINVAL;
+	}
+
+	rss_tbl_new = rte_zmalloc("rss_tbl_new", sizeof(sa->rss_tbl), 0);
+	if (rss_tbl_new == NULL)
+		return -ENOMEM;
+
+	sfc_adapter_lock(sa);
+
+	rte_memcpy(rss_tbl_new, sa->rss_tbl, sizeof(sa->rss_tbl));
+
+	for (entry = 0; entry < reta_size; entry++) {
+		int grp_idx = entry % RTE_RETA_GROUP_SIZE;
+		struct rte_eth_rss_reta_entry64 *grp;
+
+		grp = &reta_conf[entry / RTE_RETA_GROUP_SIZE];
+
+		if (grp->mask & (1ull << grp_idx)) {
+			if (grp->reta[grp_idx] >= sa->rss_channels) {
+				rc = EINVAL;
+				goto bad_reta_entry;
+			}
+			rss_tbl_new[entry] = grp->reta[grp_idx];
+		}
+	}
+
+	rc = efx_rx_scale_tbl_set(sa->nic, rss_tbl_new, EFX_RSS_TBL_SIZE);
+	if (rc == 0)
+		rte_memcpy(sa->rss_tbl, rss_tbl_new, sizeof(sa->rss_tbl));
+
+bad_reta_entry:
+	sfc_adapter_unlock(sa);
+
+	rte_free(rss_tbl_new);
+
+	SFC_ASSERT(rc >= 0);
+	return -rc;
+}
+#endif
+
+static int
+sfc_dev_filter_ctrl(struct rte_eth_dev *dev, enum rte_filter_type filter_type,
+		    enum rte_filter_op filter_op,
+		    void *arg)
+{
+	struct sfc_adapter *sa = dev->data->dev_private;
+	int rc = ENOTSUP;
+
+	sfc_log_init(sa, "entry");
+
+	switch (filter_type) {
+	case RTE_ETH_FILTER_NONE:
+		sfc_err(sa, "Global filters configuration not supported");
+		break;
+	case RTE_ETH_FILTER_MACVLAN:
+		sfc_err(sa, "MACVLAN filters not supported");
+		break;
+	case RTE_ETH_FILTER_ETHERTYPE:
+		sfc_err(sa, "EtherType filters not supported");
+		break;
+	case RTE_ETH_FILTER_FLEXIBLE:
+		sfc_err(sa, "Flexible filters not supported");
+		break;
+	case RTE_ETH_FILTER_SYN:
+		sfc_err(sa, "SYN filters not supported");
+		break;
+	case RTE_ETH_FILTER_NTUPLE:
+		sfc_err(sa, "NTUPLE filters not supported");
+		break;
+	case RTE_ETH_FILTER_TUNNEL:
+		sfc_err(sa, "Tunnel filters not supported");
+		break;
+	case RTE_ETH_FILTER_FDIR:
+		sfc_err(sa, "Flow Director filters not supported");
+		break;
+	case RTE_ETH_FILTER_HASH:
+		sfc_err(sa, "Hash filters not supported");
+		break;
+	case RTE_ETH_FILTER_GENERIC:
+		if (filter_op != RTE_ETH_FILTER_GET) {
+			rc = EINVAL;
+		} else {
+			*(const void **)arg = &sfc_flow_ops;
+			rc = 0;
+		}
+		break;
+	default:
+		sfc_err(sa, "Unknown filter type %u", filter_type);
+		break;
+	}
+
+	sfc_log_init(sa, "exit: %d", -rc);
+	SFC_ASSERT(rc >= 0);
+	return -rc;
+}
+
+static const struct eth_dev_ops sfc_eth_dev_ops = {
+	.dev_configure			= sfc_dev_configure,
+	.dev_start			= sfc_dev_start,
+	.dev_stop			= sfc_dev_stop,
+	.dev_set_link_up		= sfc_dev_set_link_up,
+	.dev_set_link_down		= sfc_dev_set_link_down,
+	.dev_close			= sfc_dev_close,
+	.promiscuous_enable		= sfc_dev_promisc_enable,
+	.promiscuous_disable		= sfc_dev_promisc_disable,
+	.allmulticast_enable		= sfc_dev_allmulti_enable,
+	.allmulticast_disable		= sfc_dev_allmulti_disable,
+	.link_update			= sfc_dev_link_update,
+	.stats_get			= sfc_stats_get,
+	.stats_reset			= sfc_stats_reset,
+	.xstats_get			= sfc_xstats_get,
+	.xstats_reset			= sfc_stats_reset,
+	.xstats_get_names		= sfc_xstats_get_names,
+	.dev_infos_get			= sfc_dev_infos_get,
+	.dev_supported_ptypes_get	= sfc_dev_supported_ptypes_get,
+	.mtu_set			= sfc_dev_set_mtu,
+	.rx_queue_start			= sfc_rx_queue_start,
+	.rx_queue_stop			= sfc_rx_queue_stop,
+	.tx_queue_start			= sfc_tx_queue_start,
+	.tx_queue_stop			= sfc_tx_queue_stop,
+	.rx_queue_setup			= sfc_rx_queue_setup,
+	.rx_queue_release		= sfc_rx_queue_release,
+	.rx_queue_count			= sfc_rx_queue_count,
+	.rx_descriptor_done		= sfc_rx_descriptor_done,
+	.tx_queue_setup			= sfc_tx_queue_setup,
+	.tx_queue_release		= sfc_tx_queue_release,
+	.flow_ctrl_get			= sfc_flow_ctrl_get,
+	.flow_ctrl_set			= sfc_flow_ctrl_set,
+	.mac_addr_set			= sfc_mac_addr_set,
+#if EFSYS_OPT_RX_SCALE
+	.reta_update			= sfc_dev_rss_reta_update,
+	.reta_query			= sfc_dev_rss_reta_query,
+	.rss_hash_update		= sfc_dev_rss_hash_update,
+	.rss_hash_conf_get		= sfc_dev_rss_hash_conf_get,
+#endif
+	.filter_ctrl			= sfc_dev_filter_ctrl,
+	.set_mc_addr_list		= sfc_set_mc_addr_list,
+	.rxq_info_get			= sfc_rx_queue_info_get,
+	.txq_info_get			= sfc_tx_queue_info_get,
+	.fw_version_get			= sfc_fw_version_get,
+};
+
+static int
+sfc_eth_dev_set_ops(struct rte_eth_dev *dev)
+{
+	struct sfc_adapter *sa = dev->data->dev_private;
+	unsigned int avail_caps = 0;
+	const char *rx_name = NULL;
+	const char *tx_name = NULL;
+	int rc;
+
+	switch (sa->family) {
+	case EFX_FAMILY_HUNTINGTON:
+	case EFX_FAMILY_MEDFORD:
+		avail_caps |= SFC_DP_HW_FW_CAP_EF10;
+		break;
+	default:
+		break;
+	}
+
+	rc = sfc_kvargs_process(sa, SFC_KVARG_RX_DATAPATH,
+				sfc_kvarg_string_handler, &rx_name);
+	if (rc != 0)
+		goto fail_kvarg_rx_datapath;
+
+	if (rx_name != NULL) {
+		sa->dp_rx = sfc_dp_find_rx_by_name(&sfc_dp_head, rx_name);
+		if (sa->dp_rx == NULL) {
+			sfc_err(sa, "Rx datapath %s not found", rx_name);
+			rc = ENOENT;
+			goto fail_dp_rx;
+		}
+		if (!sfc_dp_match_hw_fw_caps(&sa->dp_rx->dp, avail_caps)) {
+			sfc_err(sa,
+				"Insufficient Hw/FW capabilities to use Rx datapath %s",
+				rx_name);
+			rc = EINVAL;
+			goto fail_dp_rx;
+		}
+	} else {
+		sa->dp_rx = sfc_dp_find_rx_by_caps(&sfc_dp_head, avail_caps);
+		if (sa->dp_rx == NULL) {
+			sfc_err(sa, "Rx datapath by caps %#x not found",
+				avail_caps);
+			rc = ENOENT;
+			goto fail_dp_rx;
+		}
+	}
+
+	sfc_info(sa, "use %s Rx datapath", sa->dp_rx->dp.name);
+
+	dev->rx_pkt_burst = sa->dp_rx->pkt_burst;
+
+	rc = sfc_kvargs_process(sa, SFC_KVARG_TX_DATAPATH,
+				sfc_kvarg_string_handler, &tx_name);
+	if (rc != 0)
+		goto fail_kvarg_tx_datapath;
+
+	if (tx_name != NULL) {
+		sa->dp_tx = sfc_dp_find_tx_by_name(&sfc_dp_head, tx_name);
+		if (sa->dp_tx == NULL) {
+			sfc_err(sa, "Tx datapath %s not found", tx_name);
+			rc = ENOENT;
+			goto fail_dp_tx;
+		}
+		if (!sfc_dp_match_hw_fw_caps(&sa->dp_tx->dp, avail_caps)) {
+			sfc_err(sa,
+				"Insufficient Hw/FW capabilities to use Tx datapath %s",
+				tx_name);
+			rc = EINVAL;
+			goto fail_dp_tx;
+		}
+	} else {
+		sa->dp_tx = sfc_dp_find_tx_by_caps(&sfc_dp_head, avail_caps);
+		if (sa->dp_tx == NULL) {
+			sfc_err(sa, "Tx datapath by caps %#x not found",
+				avail_caps);
+			rc = ENOENT;
+			goto fail_dp_tx;
+		}
+	}
+
+	sfc_info(sa, "use %s Tx datapath", sa->dp_tx->dp.name);
+
+	dev->tx_pkt_burst = sa->dp_tx->pkt_burst;
+
+	dev->dev_ops = &sfc_eth_dev_ops;
+
+	return 0;
+
+fail_dp_tx:
+fail_kvarg_tx_datapath:
+fail_dp_rx:
+fail_kvarg_rx_datapath:
+	return rc;
+}
+
+static void
+sfc_register_dp(void)
+{
+	/* Register once */
+	if (TAILQ_EMPTY(&sfc_dp_head)) {
+		/* Prefer EF10 datapath */
+		sfc_dp_register(&sfc_dp_head, &sfc_ef10_rx.dp);
+		sfc_dp_register(&sfc_dp_head, &sfc_efx_rx.dp);
+
+		sfc_dp_register(&sfc_dp_head, &sfc_ef10_tx.dp);
+		sfc_dp_register(&sfc_dp_head, &sfc_efx_tx.dp);
+		sfc_dp_register(&sfc_dp_head, &sfc_ef10_simple_tx.dp);
+	}
+}
+
+static int
+sfc_eth_dev_init(struct rte_eth_dev *dev)
+{
+	struct sfc_adapter *sa = dev->data->dev_private;
+	struct rte_pci_device *pci_dev = SFC_DEV_TO_PCI(dev);
+	int rc;
+	const efx_nic_cfg_t *encp;
+	const struct ether_addr *from;
+
+	sfc_register_dp();
+
+	/* Required for logging */
+	sa->eth_dev = dev;
+
+	/* Copy PCI device info to the dev->data */
+	rte_eth_copy_pci_info(dev, pci_dev);
+
+	rc = sfc_kvargs_parse(sa);
+	if (rc != 0)
+		goto fail_kvargs_parse;
+
+	rc = sfc_kvargs_process(sa, SFC_KVARG_DEBUG_INIT,
+				sfc_kvarg_bool_handler, &sa->debug_init);
+	if (rc != 0)
+		goto fail_kvarg_debug_init;
+
+	sfc_log_init(sa, "entry");
+
+	dev->data->mac_addrs = rte_zmalloc("sfc", ETHER_ADDR_LEN, 0);
+	if (dev->data->mac_addrs == NULL) {
+		rc = ENOMEM;
+		goto fail_mac_addrs;
+	}
+
+	sfc_adapter_lock_init(sa);
+	sfc_adapter_lock(sa);
+
+	sfc_log_init(sa, "probing");
+	rc = sfc_probe(sa);
+	if (rc != 0)
+		goto fail_probe;
+
+	sfc_log_init(sa, "set device ops");
+	rc = sfc_eth_dev_set_ops(dev);
+	if (rc != 0)
+		goto fail_set_ops;
+
+	sfc_log_init(sa, "attaching");
+	rc = sfc_attach(sa);
+	if (rc != 0)
+		goto fail_attach;
+
+	encp = efx_nic_cfg_get(sa->nic);
+
+	/*
+	 * The arguments are really reverse order in comparison to
+	 * Linux kernel. Copy from NIC config to Ethernet device data.
+	 */
+	from = (const struct ether_addr *)(encp->enc_mac_addr);
+	ether_addr_copy(from, &dev->data->mac_addrs[0]);
+
+	sfc_adapter_unlock(sa);
+
+	sfc_log_init(sa, "done");
+	return 0;
+
+fail_attach:
+fail_set_ops:
+	sfc_unprobe(sa);
+
+fail_probe:
+	sfc_adapter_unlock(sa);
+	sfc_adapter_lock_fini(sa);
+	rte_free(dev->data->mac_addrs);
+	dev->data->mac_addrs = NULL;
+
+fail_mac_addrs:
+fail_kvarg_debug_init:
+	sfc_kvargs_cleanup(sa);
+
+fail_kvargs_parse:
+	sfc_log_init(sa, "failed %d", rc);
+	SFC_ASSERT(rc > 0);
+	return -rc;
+}
+
+static int
+sfc_eth_dev_uninit(struct rte_eth_dev *dev)
+{
+	struct sfc_adapter *sa = dev->data->dev_private;
+
+	sfc_log_init(sa, "entry");
+
+	sfc_adapter_lock(sa);
+
+	sfc_detach(sa);
+	sfc_unprobe(sa);
+
+	rte_free(dev->data->mac_addrs);
+	dev->data->mac_addrs = NULL;
+
+	dev->dev_ops = NULL;
+	dev->rx_pkt_burst = NULL;
+	dev->tx_pkt_burst = NULL;
+
+	sfc_kvargs_cleanup(sa);
+
+	sfc_adapter_unlock(sa);
+	sfc_adapter_lock_fini(sa);
+
+	sfc_log_init(sa, "done");
+
+	/* Required for logging, so cleanup last */
+	sa->eth_dev = NULL;
+	return 0;
+}
+
+static const struct rte_pci_id pci_id_sfc_efx_map[] = {
+	{ RTE_PCI_DEVICE(EFX_PCI_VENID_SFC, EFX_PCI_DEVID_FARMINGDALE) },
+	{ RTE_PCI_DEVICE(EFX_PCI_VENID_SFC, EFX_PCI_DEVID_FARMINGDALE_VF) },
+	{ RTE_PCI_DEVICE(EFX_PCI_VENID_SFC, EFX_PCI_DEVID_GREENPORT) },
+	{ RTE_PCI_DEVICE(EFX_PCI_VENID_SFC, EFX_PCI_DEVID_GREENPORT_VF) },
+	{ RTE_PCI_DEVICE(EFX_PCI_VENID_SFC, EFX_PCI_DEVID_MEDFORD) },
+	{ RTE_PCI_DEVICE(EFX_PCI_VENID_SFC, EFX_PCI_DEVID_MEDFORD_VF) },
+	{ .vendor_id = 0 /* sentinel */ }
+};
+
+static int sfc_eth_dev_pci_probe(struct rte_pci_driver *pci_drv __rte_unused,
+	struct rte_pci_device *pci_dev)
+{
+	return rte_eth_dev_pci_generic_probe(pci_dev,
+		sizeof(struct sfc_adapter), sfc_eth_dev_init);
+}
+
+static int sfc_eth_dev_pci_remove(struct rte_pci_device *pci_dev)
+{
+	return rte_eth_dev_pci_generic_remove(pci_dev, sfc_eth_dev_uninit);
+}
+
+static struct rte_pci_driver sfc_efx_pmd = {
+	.id_table = pci_id_sfc_efx_map,
+	.drv_flags =
+		RTE_PCI_DRV_INTR_LSC |
+		RTE_PCI_DRV_NEED_MAPPING,
+	.probe = sfc_eth_dev_pci_probe,
+	.remove = sfc_eth_dev_pci_remove,
+};
+
+RTE_PMD_REGISTER_PCI(net_sfc_efx, sfc_efx_pmd);
+RTE_PMD_REGISTER_PCI_TABLE(net_sfc_efx, pci_id_sfc_efx_map);
+RTE_PMD_REGISTER_KMOD_DEP(net_sfc_efx, "* igb_uio | uio_pci_generic | vfio");
+RTE_PMD_REGISTER_PARAM_STRING(net_sfc_efx,
+	SFC_KVARG_RX_DATAPATH "=" SFC_KVARG_VALUES_RX_DATAPATH " "
+	SFC_KVARG_TX_DATAPATH "=" SFC_KVARG_VALUES_TX_DATAPATH " "
+	SFC_KVARG_PERF_PROFILE "=" SFC_KVARG_VALUES_PERF_PROFILE " "
+	SFC_KVARG_STATS_UPDATE_PERIOD_MS "=<long> "
+	SFC_KVARG_MCDI_LOGGING "=" SFC_KVARG_VALUES_BOOL " "
+	SFC_KVARG_DEBUG_INIT "=" SFC_KVARG_VALUES_BOOL);