net: add rte prefix to ether structures
[dpdk.git] / drivers / net / sfc / sfc_ethdev.c
index 7051f43..fadcdb5 100644 (file)
@@ -1,35 +1,20 @@
-/*-
- * Copyright (c) 2016 Solarflare Communications Inc.
+/* SPDX-License-Identifier: BSD-3-Clause
+ *
+ * Copyright (c) 2016-2018 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_driver.h>
+#include <rte_ethdev_pci.h>
 #include <rte_pci.h>
+#include <rte_bus_pci.h>
+#include <rte_errno.h>
+#include <rte_string_fns.h>
+#include <rte_ether.h>
 
 #include "efx.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"
+
+uint32_t sfc_logtype_driver;
+
+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 = sfc_adapter_by_eth_dev(dev);
+       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 struct sfc_adapter_priv *sap = sfc_adapter_priv_by_eth_dev(dev);
+       struct sfc_adapter_shared *sas = sfc_adapter_shared_by_eth_dev(dev);
+       struct sfc_adapter *sa = sfc_adapter_by_eth_dev(dev);
+       struct sfc_rss *rss = &sas->rss;
+       uint64_t txq_offloads_def = 0;
 
        sfc_log_init(sa, "entry");
 
-       dev_info->pci_dev = RTE_DEV_TO_PCI(dev->device);
+       dev_info->min_mtu = ETHER_MIN_MTU;
+       dev_info->max_mtu = EFX_MAC_SDU_MAX;
+
        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)
+       if (sa->port.phy_adv_cap_mask & (1u << EFX_PHY_CAP_1000FDX))
                dev_info->speed_capa |= ETH_LINK_SPEED_1G;
-       if (sa->port.phy_adv_cap_mask & EFX_PHY_CAP_10000FDX)
+       if (sa->port.phy_adv_cap_mask & (1u << EFX_PHY_CAP_10000FDX))
                dev_info->speed_capa |= ETH_LINK_SPEED_10G;
-       if (sa->port.phy_adv_cap_mask & EFX_PHY_CAP_40000FDX)
+       if (sa->port.phy_adv_cap_mask & (1u << EFX_PHY_CAP_25000FDX))
+               dev_info->speed_capa |= ETH_LINK_SPEED_25G;
+       if (sa->port.phy_adv_cap_mask & (1u << EFX_PHY_CAP_40000FDX))
                dev_info->speed_capa |= ETH_LINK_SPEED_40G;
+       if (sa->port.phy_adv_cap_mask & (1u << EFX_PHY_CAP_50000FDX))
+               dev_info->speed_capa |= ETH_LINK_SPEED_50G;
+       if (sa->port.phy_adv_cap_mask & (1u << EFX_PHY_CAP_100000FDX))
+               dev_info->speed_capa |= ETH_LINK_SPEED_100G;
 
        dev_info->max_rx_queues = sa->rxq_max;
        dev_info->max_tx_queues = sa->txq_max;
@@ -67,35 +119,82 @@ sfc_dev_infos_get(struct rte_eth_dev *dev, struct rte_eth_dev_info *dev_info)
        /* By default packets are dropped if no descriptors are available */
        dev_info->default_rxconf.rx_drop_en = 1;
 
-       dev_info->tx_offload_capa =
-               DEV_TX_OFFLOAD_IPV4_CKSUM |
-               DEV_TX_OFFLOAD_UDP_CKSUM |
-               DEV_TX_OFFLOAD_TCP_CKSUM;
+       dev_info->rx_queue_offload_capa = sfc_rx_get_queue_offload_caps(sa);
+
+       /*
+        * rx_offload_capa includes both device and queue offloads since
+        * the latter may be requested on a per device basis which makes
+        * sense when some offloads are needed to be set on all queues.
+        */
+       dev_info->rx_offload_capa = sfc_rx_get_dev_offload_caps(sa) |
+                                   dev_info->rx_queue_offload_capa;
+
+       dev_info->tx_queue_offload_capa = sfc_tx_get_queue_offload_caps(sa);
 
-       dev_info->default_txconf.txq_flags = ETH_TXQ_FLAGS_NOVLANOFFL |
-                                            ETH_TXQ_FLAGS_NOXSUMSCTP;
+       /*
+        * tx_offload_capa includes both device and queue offloads since
+        * the latter may be requested on a per device basis which makes
+        * sense when some offloads are needed to be set on all queues.
+        */
+       dev_info->tx_offload_capa = sfc_tx_get_dev_offload_caps(sa) |
+                                   dev_info->tx_queue_offload_capa;
+
+       if (dev_info->tx_offload_capa & DEV_TX_OFFLOAD_MBUF_FAST_FREE)
+               txq_offloads_def |= DEV_TX_OFFLOAD_MBUF_FAST_FREE;
+
+       dev_info->default_txconf.offloads |= txq_offloads_def;
+
+       if (rss->context_type != EFX_RX_SCALE_UNAVAILABLE) {
+               uint64_t rte_hf = 0;
+               unsigned int i;
+
+               for (i = 0; i < rss->hf_map_nb_entries; ++i)
+                       rte_hf |= rss->hf_map[i].rte;
+
+               dev_info->reta_size = EFX_RSS_TBL_SIZE;
+               dev_info->hash_key_size = EFX_RSS_KEY_SIZE;
+               dev_info->flow_type_rss_offloads = rte_hf;
+       }
 
-       dev_info->rx_desc_lim.nb_max = EFX_RXQ_MAXNDESCS;
-       dev_info->rx_desc_lim.nb_min = EFX_RXQ_MINNDESCS;
+       /* Initialize to hardware limits */
+       dev_info->rx_desc_lim.nb_max = sa->rxq_max_entries;
+       dev_info->rx_desc_lim.nb_min = sa->rxq_min_entries;
        /* 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->rx_desc_lim.nb_align = sa->rxq_min_entries;
 
+       /* Initialize to hardware limits */
        dev_info->tx_desc_lim.nb_max = sa->txq_max_entries;
-       dev_info->tx_desc_lim.nb_min = EFX_TXQ_MINNDESCS;
+       dev_info->tx_desc_lim.nb_min = sa->txq_min_entries;
        /*
         * 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;
+       dev_info->tx_desc_lim.nb_align = sa->txq_min_entries;
+
+       if (sap->dp_rx->get_dev_info != NULL)
+               sap->dp_rx->get_dev_info(dev_info);
+       if (sap->dp_tx->get_dev_info != NULL)
+               sap->dp_tx->get_dev_info(dev_info);
+
+       dev_info->dev_capa = RTE_ETH_DEV_CAPA_RUNTIME_RX_QUEUE_SETUP |
+                            RTE_ETH_DEV_CAPA_RUNTIME_TX_QUEUE_SETUP;
+}
+
+static const uint32_t *
+sfc_dev_supported_ptypes_get(struct rte_eth_dev *dev)
+{
+       const struct sfc_adapter_priv *sap = sfc_adapter_priv_by_eth_dev(dev);
+
+       return sap->dp_rx->supported_ptypes_get(sap->shared->tunnel_encaps);
 }
 
 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;
+       struct sfc_adapter *sa = sfc_adapter_by_eth_dev(dev);
        int rc;
 
        sfc_log_init(sa, "entry n_rxq=%u n_txq=%u",
@@ -104,8 +203,6 @@ sfc_dev_configure(struct rte_eth_dev *dev)
        sfc_adapter_lock(sa);
        switch (sa->state) {
        case SFC_ADAPTER_CONFIGURED:
-               sfc_close(sa);
-               SFC_ASSERT(sa->state == SFC_ADAPTER_INITIALIZED);
                /* FALLTHROUGH */
        case SFC_ADAPTER_INITIALIZED:
                rc = sfc_configure(sa);
@@ -126,7 +223,7 @@ sfc_dev_configure(struct rte_eth_dev *dev)
 static int
 sfc_dev_start(struct rte_eth_dev *dev)
 {
-       struct sfc_adapter *sa = dev->data->dev_private;
+       struct sfc_adapter *sa = sfc_adapter_by_eth_dev(dev);
        int rc;
 
        sfc_log_init(sa, "entry");
@@ -143,47 +240,38 @@ sfc_dev_start(struct rte_eth_dev *dev)
 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 sfc_adapter *sa = sfc_adapter_by_eth_dev(dev);
        struct rte_eth_link current_link;
+       int ret;
 
        sfc_log_init(sa, "entry");
 
-       if (sa->state != SFC_ADAPTER_STARTED)
-               return 0;
-
-retry:
-       EFX_STATIC_ASSERT(sizeof(*dev_link) == sizeof(rte_atomic64_t));
-       *(int64_t *)&old_link = rte_atomic64_read((rte_atomic64_t *)dev_link);
-
-       if (wait_to_complete) {
+       if (sa->state != SFC_ADAPTER_STARTED) {
+               sfc_port_link_mode_to_info(EFX_LINK_UNKNOWN, &current_link);
+       } else if (wait_to_complete) {
                efx_link_mode_t link_mode;
 
-               efx_port_poll(sa->nic, &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);
+               rte_eth_linkstatus_get(dev, &current_link);
        }
 
-       if (old_link.link_status != current_link.link_status)
-               sfc_info(sa, "Link status is %s",
-                        current_link.link_status ? "UP" : "DOWN");
+       ret = rte_eth_linkstatus_set(dev, &current_link);
+       if (ret == 0)
+               sfc_notice(sa, "Link status is %s",
+                          current_link.link_status ? "UP" : "DOWN");
 
-       return old_link.link_status == current_link.link_status ? 0 : -1;
+       return ret;
 }
 
 static void
 sfc_dev_stop(struct rte_eth_dev *dev)
 {
-       struct sfc_adapter *sa = dev->data->dev_private;
+       struct sfc_adapter *sa = sfc_adapter_by_eth_dev(dev);
 
        sfc_log_init(sa, "entry");
 
@@ -194,10 +282,40 @@ sfc_dev_stop(struct rte_eth_dev *dev)
        sfc_log_init(sa, "done");
 }
 
+static int
+sfc_dev_set_link_up(struct rte_eth_dev *dev)
+{
+       struct sfc_adapter *sa = sfc_adapter_by_eth_dev(dev);
+       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 = sfc_adapter_by_eth_dev(dev);
+
+       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;
+       struct sfc_adapter *sa = sfc_adapter_by_eth_dev(dev);
 
        sfc_log_init(sa, "entry");
 
@@ -222,13 +340,72 @@ sfc_dev_close(struct rte_eth_dev *dev)
        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 = sfc_adapter_by_eth_dev(dev);
+       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 (sfc_sa2shared(sa)->isolated) {
+                       sfc_warn(sa, "isolated mode is active on the port");
+                       sfc_warn(sa, "the change is to be applied on the next "
+                                    "start provided that isolated mode is "
+                                    "disabled prior the next start");
+               } else 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;
+       struct sfc_adapter_shared *sas = sfc_adapter_shared_by_eth_dev(dev);
+       struct sfc_adapter *sa = sfc_adapter_by_eth_dev(dev);
        int rc;
 
        sfc_log_init(sa, "RxQ=%u nb_rx_desc=%u socket_id=%u",
@@ -241,7 +418,7 @@ sfc_rx_queue_setup(struct rte_eth_dev *dev, uint16_t rx_queue_id,
        if (rc != 0)
                goto fail_rx_qinit;
 
-       dev->data->rx_queues[rx_queue_id] = sa->rxq_info[rx_queue_id].rxq;
+       dev->data->rx_queues[rx_queue_id] = sas->rxq_info[rx_queue_id].dp;
 
        sfc_adapter_unlock(sa);
 
@@ -256,22 +433,22 @@ fail_rx_qinit:
 static void
 sfc_rx_queue_release(void *queue)
 {
-       struct sfc_rxq *rxq = queue;
+       struct sfc_dp_rxq *dp_rxq = queue;
+       struct sfc_rxq *rxq;
        struct sfc_adapter *sa;
        unsigned int sw_index;
 
-       if (rxq == NULL)
+       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);
+       sw_index = dp_rxq->dpq.queue_id;
 
        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);
@@ -282,7 +459,8 @@ 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;
+       struct sfc_adapter_shared *sas = sfc_adapter_shared_by_eth_dev(dev);
+       struct sfc_adapter *sa = sfc_adapter_by_eth_dev(dev);
        int rc;
 
        sfc_log_init(sa, "TxQ = %u, nb_tx_desc = %u, socket_id = %u",
@@ -294,7 +472,7 @@ sfc_tx_queue_setup(struct rte_eth_dev *dev, uint16_t tx_queue_id,
        if (rc != 0)
                goto fail_tx_qinit;
 
-       dev->data->tx_queues[tx_queue_id] = sa->txq_info[tx_queue_id].txq;
+       dev->data->tx_queues[tx_queue_id] = sas->txq_info[tx_queue_id].dp;
 
        sfc_adapter_unlock(sa);
        return 0;
@@ -308,14 +486,16 @@ fail_tx_qinit:
 static void
 sfc_tx_queue_release(void *queue)
 {
-       struct sfc_txq *txq = queue;
+       struct sfc_dp_txq *dp_txq = queue;
+       struct sfc_txq *txq;
        unsigned int sw_index;
        struct sfc_adapter *sa;
 
-       if (txq == NULL)
+       if (dp_txq == NULL)
                return;
 
-       sw_index = sfc_txq_sw_index(txq);
+       txq = sfc_txq_by_dp_txq(dp_txq);
+       sw_index = dp_txq->dpq.queue_id;
 
        SFC_ASSERT(txq->evq != NULL);
        sa = txq->evq->sa;
@@ -324,24 +504,46 @@ sfc_tx_queue_release(void *queue)
 
        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);
 }
 
+/*
+ * Some statistics are computed as A - B where A and B each increase
+ * monotonically with some hardware counter(s) and the counters are read
+ * asynchronously.
+ *
+ * If packet X is counted in A, but not counted in B yet, computed value is
+ * greater than real.
+ *
+ * If packet X is not counted in A at the moment of reading the counter,
+ * but counted in B at the moment of reading the counter, computed value
+ * is less than real.
+ *
+ * However, counter which grows backward is worse evil than slightly wrong
+ * value. So, let's try to guarantee that it never happens except may be
+ * the case when the MAC stats are zeroed as a result of a NIC reset.
+ */
 static void
+sfc_update_diff_stat(uint64_t *stat, uint64_t newval)
+{
+       if ((int64_t)(newval - *stat) > 0 || newval == 0)
+               *stat = newval;
+}
+
+static int
 sfc_stats_get(struct rte_eth_dev *dev, struct rte_eth_stats *stats)
 {
-       struct sfc_adapter *sa = dev->data->dev_private;
+       struct sfc_adapter *sa = sfc_adapter_by_eth_dev(dev);
        struct sfc_port *port = &sa->port;
        uint64_t *mac_stats;
+       int ret;
 
        rte_spinlock_lock(&port->mac_stats_lock);
 
-       if (sfc_port_update_mac_stats(sa) != 0)
+       ret = sfc_port_update_mac_stats(sa);
+       if (ret != 0)
                goto unlock;
 
        mac_stats = port->mac_stats_buf;
@@ -364,11 +566,9 @@ sfc_stats_get(struct rte_eth_dev *dev, struct rte_eth_stats *stats)
                        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->imissed = 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];
@@ -394,17 +594,47 @@ sfc_stats_get(struct rte_eth_dev *dev, struct rte_eth_stats *stats)
                        mac_stats[EFX_MAC_RX_ALIGN_ERRORS] +
                        mac_stats[EFX_MAC_RX_JABBER_PKTS];
                /* no oerrors counters supported on EF10 */
+
+               /* Exclude missed, errors and pauses from Rx packets */
+               sfc_update_diff_stat(&port->ipackets,
+                       mac_stats[EFX_MAC_RX_PKTS] -
+                       mac_stats[EFX_MAC_RX_PAUSE_PKTS] -
+                       stats->imissed - stats->ierrors);
+               stats->ipackets = port->ipackets;
        }
 
 unlock:
        rte_spinlock_unlock(&port->mac_stats_lock);
+       SFC_ASSERT(ret >= 0);
+       return -ret;
+}
+
+static void
+sfc_stats_reset(struct rte_eth_dev *dev)
+{
+       struct sfc_adapter *sa = sfc_adapter_by_eth_dev(dev);
+       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_adapter *sa = sfc_adapter_by_eth_dev(dev);
        struct sfc_port *port = &sa->port;
        uint64_t *mac_stats;
        int rc;
@@ -443,7 +673,7 @@ 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_adapter *sa = sfc_adapter_by_eth_dev(dev);
        struct sfc_port *port = &sa->port;
        unsigned int i;
        unsigned int nstats = 0;
@@ -451,7 +681,7 @@ sfc_xstats_get_names(struct rte_eth_dev *dev,
        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,
+                               strlcpy(xstats_names[nstats].name,
                                        efx_mac_stat_name(sa->nic, i),
                                        sizeof(xstats_names[0].name));
                        nstats++;
@@ -461,10 +691,88 @@ sfc_xstats_get_names(struct rte_eth_dev *dev,
        return nstats;
 }
 
+static int
+sfc_xstats_get_by_id(struct rte_eth_dev *dev, const uint64_t *ids,
+                    uint64_t *values, unsigned int n)
+{
+       struct sfc_adapter *sa = sfc_adapter_by_eth_dev(dev);
+       struct sfc_port *port = &sa->port;
+       uint64_t *mac_stats;
+       unsigned int nb_supported = 0;
+       unsigned int nb_written = 0;
+       unsigned int i;
+       int ret;
+       int rc;
+
+       if (unlikely(values == NULL) ||
+           unlikely((ids == NULL) && (n < port->mac_stats_nb_supported)))
+               return port->mac_stats_nb_supported;
+
+       rte_spinlock_lock(&port->mac_stats_lock);
+
+       rc = sfc_port_update_mac_stats(sa);
+       if (rc != 0) {
+               SFC_ASSERT(rc > 0);
+               ret = -rc;
+               goto unlock;
+       }
+
+       mac_stats = port->mac_stats_buf;
+
+       for (i = 0; (i < EFX_MAC_NSTATS) && (nb_written < n); ++i) {
+               if (!EFX_MAC_STAT_SUPPORTED(port->mac_stats_mask, i))
+                       continue;
+
+               if ((ids == NULL) || (ids[nb_written] == nb_supported))
+                       values[nb_written++] = mac_stats[i];
+
+               ++nb_supported;
+       }
+
+       ret = nb_written;
+
+unlock:
+       rte_spinlock_unlock(&port->mac_stats_lock);
+
+       return ret;
+}
+
+static int
+sfc_xstats_get_names_by_id(struct rte_eth_dev *dev,
+                          struct rte_eth_xstat_name *xstats_names,
+                          const uint64_t *ids, unsigned int size)
+{
+       struct sfc_adapter *sa = sfc_adapter_by_eth_dev(dev);
+       struct sfc_port *port = &sa->port;
+       unsigned int nb_supported = 0;
+       unsigned int nb_written = 0;
+       unsigned int i;
+
+       if (unlikely(xstats_names == NULL) ||
+           unlikely((ids == NULL) && (size < port->mac_stats_nb_supported)))
+               return port->mac_stats_nb_supported;
+
+       for (i = 0; (i < EFX_MAC_NSTATS) && (nb_written < size); ++i) {
+               if (!EFX_MAC_STAT_SUPPORTED(port->mac_stats_mask, i))
+                       continue;
+
+               if ((ids == NULL) || (ids[nb_written] == nb_supported)) {
+                       char *name = xstats_names[nb_written++].name;
+
+                       strlcpy(name, efx_mac_stat_name(sa->nic, i),
+                               sizeof(xstats_names[0].name));
+               }
+
+               ++nb_supported;
+       }
+
+       return nb_written;
+}
+
 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;
+       struct sfc_adapter *sa = sfc_adapter_by_eth_dev(dev);
        unsigned int wanted_fc, link_fc;
 
        memset(fc_conf, 0, sizeof(*fc_conf));
@@ -504,7 +812,7 @@ sfc_flow_ctrl_get(struct rte_eth_dev *dev, struct rte_eth_fc_conf *fc_conf)
 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_adapter *sa = sfc_adapter_by_eth_dev(dev);
        struct sfc_port *port = &sa->port;
        unsigned int fcntl;
        int rc;
@@ -557,10 +865,38 @@ fail_inval:
        return -rc;
 }
 
+static int
+sfc_check_scatter_on_all_rx_queues(struct sfc_adapter *sa, size_t pdu)
+{
+       struct sfc_adapter_shared * const sas = sfc_sa2shared(sa);
+       const efx_nic_cfg_t *encp = efx_nic_cfg_get(sa->nic);
+       boolean_t scatter_enabled;
+       const char *error;
+       unsigned int i;
+
+       for (i = 0; i < sas->rxq_count; i++) {
+               if ((sas->rxq_info[i].state & SFC_RXQ_INITIALIZED) == 0)
+                       continue;
+
+               scatter_enabled = (sas->rxq_info[i].type_flags &
+                                  EFX_RXQ_FLAG_SCATTER);
+
+               if (!sfc_rx_check_scatter(pdu, sa->rxq_ctrl[i].buf_size,
+                                         encp->enc_rx_prefix_size,
+                                         scatter_enabled, &error)) {
+                       sfc_err(sa, "MTU check for RxQ %u failed: %s", i,
+                               error);
+                       return EINVAL;
+               }
+       }
+
+       return 0;
+}
+
 static int
 sfc_dev_set_mtu(struct rte_eth_dev *dev, uint16_t mtu)
 {
-       struct sfc_adapter *sa = dev->data->dev_private;
+       struct sfc_adapter *sa = sfc_adapter_by_eth_dev(dev);
        size_t pdu = EFX_MAC_PDU(mtu);
        size_t old_pdu;
        int rc;
@@ -583,6 +919,10 @@ sfc_dev_set_mtu(struct rte_eth_dev *dev, uint16_t mtu)
 
        sfc_adapter_lock(sa);
 
+       rc = sfc_check_scatter_on_all_rx_queues(sa, pdu);
+       if (rc != 0)
+               goto fail_check_scatter;
+
        if (pdu != sa->port.pdu) {
                if (sa->state == SFC_ADAPTER_STARTED) {
                        sfc_stop(sa);
@@ -598,10 +938,14 @@ sfc_dev_set_mtu(struct rte_eth_dev *dev, uint16_t mtu)
        }
 
        /*
-        * The driver does not use it, but other PMDs update jumbo_frame
+        * 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);
+       if (mtu > ETHER_MAX_LEN) {
+               struct rte_eth_rxmode *rxmode = &dev->data->dev_conf.rxmode;
+               rxmode->offloads |= DEV_RX_OFFLOAD_JUMBO_FRAME;
+       }
+
        dev->data->dev_conf.rxmode.max_rx_pkt_len = sa->port.pdu;
 
        sfc_adapter_unlock(sa);
@@ -615,6 +959,8 @@ fail_start:
                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);
+
+fail_check_scatter:
        sfc_adapter_unlock(sa);
 
 fail_inval:
@@ -622,96 +968,1192 @@ fail_inval:
        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_close                      = sfc_dev_close,
-       .link_update                    = sfc_dev_link_update,
-       .stats_get                      = sfc_stats_get,
-       .xstats_get                     = sfc_xstats_get,
-       .xstats_get_names               = sfc_xstats_get_names,
-       .dev_infos_get                  = sfc_dev_infos_get,
-       .mtu_set                        = sfc_dev_set_mtu,
-       .rx_queue_setup                 = sfc_rx_queue_setup,
-       .rx_queue_release               = sfc_rx_queue_release,
-       .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,
-};
-
 static int
-sfc_eth_dev_init(struct rte_eth_dev *dev)
+sfc_mac_addr_set(struct rte_eth_dev *dev, struct rte_ether_addr *mac_addr)
 {
-       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;
-
-       /* Required for logging */
-       sa->eth_dev = dev;
+       struct sfc_adapter *sa = sfc_adapter_by_eth_dev(dev);
+       const efx_nic_cfg_t *encp = efx_nic_cfg_get(sa->nic);
+       struct sfc_port *port = &sa->port;
+       struct rte_ether_addr *old_addr = &dev->data->mac_addrs[0];
+       int rc = 0;
 
-       /* Copy PCI device info to the dev->data */
-       rte_eth_copy_pci_info(dev, pci_dev);
+       sfc_adapter_lock(sa);
 
-       rc = sfc_kvargs_parse(sa);
-       if (rc != 0)
-               goto fail_kvargs_parse;
+       /*
+        * Copy the address to the device private data so that
+        * it could be recalled in the case of adapter restart.
+        */
+       ether_addr_copy(mac_addr, &port->default_mac_addr);
 
-       rc = sfc_kvargs_process(sa, SFC_KVARG_DEBUG_INIT,
-                               sfc_kvarg_bool_handler, &sa->debug_init);
-       if (rc != 0)
-               goto fail_kvarg_debug_init;
+       /*
+        * Neither of the two following checks can return
+        * an error. The new MAC address is preserved in
+        * the device private data and can be activated
+        * on the next port start if the user prevents
+        * isolated mode from being enabled.
+        */
+       if (sfc_sa2shared(sa)->isolated) {
+               sfc_warn(sa, "isolated mode is active on the port");
+               sfc_warn(sa, "will not set MAC address");
+               goto unlock;
+       }
 
-       sfc_log_init(sa, "entry");
+       if (sa->state != SFC_ADAPTER_STARTED) {
+               sfc_notice(sa, "the port is not started");
+               sfc_notice(sa, "the new MAC address will be set on port start");
 
-       dev->data->mac_addrs = rte_zmalloc("sfc", ETHER_ADDR_LEN, 0);
-       if (dev->data->mac_addrs == NULL) {
-               rc = ENOMEM;
-               goto fail_mac_addrs;
+               goto unlock;
        }
 
-       sfc_adapter_lock_init(sa);
-       sfc_adapter_lock(sa);
-
-       sfc_log_init(sa, "attaching");
-       rc = sfc_attach(sa);
-       if (rc != 0)
-               goto fail_attach;
+       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;
+               }
 
-       encp = efx_nic_cfg_get(sa->nic);
+               /*
+                * 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);
+                       /* Rollback the old address */
+                       (void)efx_mac_addr_set(sa->nic, old_addr->addr_bytes);
+                       (void)sfc_set_rx_mode(sa);
+               }
+       } 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)");
 
-       /*
-        * 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]);
+               /*
+                * Since setting MAC address with filters installed is not
+                * allowed on the adapter, the new MAC address will be set
+                * by means of adapter restart. sfc_start() shall retrieve
+                * the new address from the device private data and set it.
+                */
+               sfc_stop(sa);
+               rc = sfc_start(sa);
+               if (rc != 0)
+                       sfc_err(sa, "cannot restart adapter (rc = %u)", rc);
+       }
 
-       dev->dev_ops = &sfc_eth_dev_ops;
-       dev->rx_pkt_burst = &sfc_recv_pkts;
-       dev->tx_pkt_burst = &sfc_xmit_pkts;
+unlock:
+       if (rc != 0)
+               ether_addr_copy(old_addr, &port->default_mac_addr);
 
        sfc_adapter_unlock(sa);
 
-       sfc_log_init(sa, "done");
-       return 0;
-
-fail_attach:
+       SFC_ASSERT(rc >= 0);
+       return -rc;
+}
+
+
+static int
+sfc_set_mc_addr_list(struct rte_eth_dev *dev,
+               struct rte_ether_addr *mc_addr_set, uint32_t nb_mc_addr)
+{
+       struct sfc_adapter *sa = sfc_adapter_by_eth_dev(dev);
+       struct sfc_port *port = &sa->port;
+       uint8_t *mc_addrs = port->mcast_addrs;
+       int rc;
+       unsigned int i;
+
+       if (sfc_sa2shared(sa)->isolated) {
+               sfc_err(sa, "isolated mode is active on the port");
+               sfc_err(sa, "will not set multicast address list");
+               return -ENOTSUP;
+       }
+
+       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) {
+               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;
+}
+
+/*
+ * The function is used by the secondary process as well. It must not
+ * use any process-local pointers from the adapter data.
+ */
+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_shared *sas = sfc_adapter_shared_by_eth_dev(dev);
+       struct sfc_rxq_info *rxq_info;
+
+       SFC_ASSERT(rx_queue_id < sas->rxq_count);
+
+       rxq_info = &sas->rxq_info[rx_queue_id];
+
+       qinfo->mp = rxq_info->refill_mb_pool;
+       qinfo->conf.rx_free_thresh = rxq_info->refill_threshold;
+       qinfo->conf.rx_drop_en = 1;
+       qinfo->conf.rx_deferred_start = rxq_info->deferred_start;
+       qinfo->conf.offloads = dev->data->dev_conf.rxmode.offloads;
+       if (rxq_info->type_flags & EFX_RXQ_FLAG_SCATTER) {
+               qinfo->conf.offloads |= DEV_RX_OFFLOAD_SCATTER;
+               qinfo->scattered_rx = 1;
+       }
+       qinfo->nb_desc = rxq_info->entries;
+}
+
+/*
+ * The function is used by the secondary process as well. It must not
+ * use any process-local pointers from the adapter data.
+ */
+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_shared *sas = sfc_adapter_shared_by_eth_dev(dev);
+       struct sfc_txq_info *txq_info;
+
+       SFC_ASSERT(tx_queue_id < sas->txq_count);
+
+       txq_info = &sas->txq_info[tx_queue_id];
+
+       memset(qinfo, 0, sizeof(*qinfo));
+
+       qinfo->conf.offloads = txq_info->offloads;
+       qinfo->conf.tx_free_thresh = txq_info->free_thresh;
+       qinfo->conf.tx_deferred_start = txq_info->deferred_start;
+       qinfo->nb_desc = txq_info->entries;
+}
+
+/*
+ * The function is used by the secondary process as well. It must not
+ * use any process-local pointers from the adapter data.
+ */
+static uint32_t
+sfc_rx_queue_count(struct rte_eth_dev *dev, uint16_t rx_queue_id)
+{
+       const struct sfc_adapter_priv *sap = sfc_adapter_priv_by_eth_dev(dev);
+       struct sfc_adapter_shared *sas = sfc_adapter_shared_by_eth_dev(dev);
+       struct sfc_rxq_info *rxq_info;
+
+       SFC_ASSERT(rx_queue_id < sas->rxq_count);
+       rxq_info = &sas->rxq_info[rx_queue_id];
+
+       if ((rxq_info->state & SFC_RXQ_STARTED) == 0)
+               return 0;
+
+       return sap->dp_rx->qdesc_npending(rxq_info->dp);
+}
+
+/*
+ * The function is used by the secondary process as well. It must not
+ * use any process-local pointers from the adapter data.
+ */
+static int
+sfc_rx_descriptor_done(void *queue, uint16_t offset)
+{
+       struct sfc_dp_rxq *dp_rxq = queue;
+       const struct sfc_dp_rx *dp_rx;
+
+       dp_rx = sfc_dp_rx_by_dp_rxq(dp_rxq);
+
+       return offset < dp_rx->qdesc_npending(dp_rxq);
+}
+
+/*
+ * The function is used by the secondary process as well. It must not
+ * use any process-local pointers from the adapter data.
+ */
+static int
+sfc_rx_descriptor_status(void *queue, uint16_t offset)
+{
+       struct sfc_dp_rxq *dp_rxq = queue;
+       const struct sfc_dp_rx *dp_rx;
+
+       dp_rx = sfc_dp_rx_by_dp_rxq(dp_rxq);
+
+       return dp_rx->qdesc_status(dp_rxq, offset);
+}
+
+/*
+ * The function is used by the secondary process as well. It must not
+ * use any process-local pointers from the adapter data.
+ */
+static int
+sfc_tx_descriptor_status(void *queue, uint16_t offset)
+{
+       struct sfc_dp_txq *dp_txq = queue;
+       const struct sfc_dp_tx *dp_tx;
+
+       dp_tx = sfc_dp_tx_by_dp_txq(dp_txq);
+
+       return dp_tx->qdesc_status(dp_txq, offset);
+}
+
+static int
+sfc_rx_queue_start(struct rte_eth_dev *dev, uint16_t rx_queue_id)
+{
+       struct sfc_adapter_shared *sas = sfc_adapter_shared_by_eth_dev(dev);
+       struct sfc_adapter *sa = sfc_adapter_by_eth_dev(dev);
+       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;
+
+       if (sas->rxq_info[rx_queue_id].state != SFC_RXQ_INITIALIZED)
+               goto fail_not_setup;
+
+       rc = sfc_rx_qstart(sa, rx_queue_id);
+       if (rc != 0)
+               goto fail_rx_qstart;
+
+       sas->rxq_info[rx_queue_id].deferred_started = B_TRUE;
+
+       sfc_adapter_unlock(sa);
+
+       return 0;
+
+fail_rx_qstart:
+fail_not_setup:
+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_shared *sas = sfc_adapter_shared_by_eth_dev(dev);
+       struct sfc_adapter *sa = sfc_adapter_by_eth_dev(dev);
+
+       sfc_log_init(sa, "RxQ=%u", rx_queue_id);
+
+       sfc_adapter_lock(sa);
+       sfc_rx_qstop(sa, rx_queue_id);
+
+       sas->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_shared *sas = sfc_adapter_shared_by_eth_dev(dev);
+       struct sfc_adapter *sa = sfc_adapter_by_eth_dev(dev);
+       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;
+
+       if (sas->txq_info[tx_queue_id].state != SFC_TXQ_INITIALIZED)
+               goto fail_not_setup;
+
+       rc = sfc_tx_qstart(sa, tx_queue_id);
+       if (rc != 0)
+               goto fail_tx_qstart;
+
+       sas->txq_info[tx_queue_id].deferred_started = B_TRUE;
+
+       sfc_adapter_unlock(sa);
+       return 0;
+
+fail_tx_qstart:
+
+fail_not_setup:
+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_shared *sas = sfc_adapter_shared_by_eth_dev(dev);
+       struct sfc_adapter *sa = sfc_adapter_by_eth_dev(dev);
+
+       sfc_log_init(sa, "TxQ = %u", tx_queue_id);
+
+       sfc_adapter_lock(sa);
+
+       sfc_tx_qstop(sa, tx_queue_id);
+
+       sas->txq_info[tx_queue_id].deferred_started = B_FALSE;
+
+       sfc_adapter_unlock(sa);
+       return 0;
+}
+
+static efx_tunnel_protocol_t
+sfc_tunnel_rte_type_to_efx_udp_proto(enum rte_eth_tunnel_type rte_type)
+{
+       switch (rte_type) {
+       case RTE_TUNNEL_TYPE_VXLAN:
+               return EFX_TUNNEL_PROTOCOL_VXLAN;
+       case RTE_TUNNEL_TYPE_GENEVE:
+               return EFX_TUNNEL_PROTOCOL_GENEVE;
+       default:
+               return EFX_TUNNEL_NPROTOS;
+       }
+}
+
+enum sfc_udp_tunnel_op_e {
+       SFC_UDP_TUNNEL_ADD_PORT,
+       SFC_UDP_TUNNEL_DEL_PORT,
+};
+
+static int
+sfc_dev_udp_tunnel_op(struct rte_eth_dev *dev,
+                     struct rte_eth_udp_tunnel *tunnel_udp,
+                     enum sfc_udp_tunnel_op_e op)
+{
+       struct sfc_adapter *sa = sfc_adapter_by_eth_dev(dev);
+       efx_tunnel_protocol_t tunnel_proto;
+       int rc;
+
+       sfc_log_init(sa, "%s udp_port=%u prot_type=%u",
+                    (op == SFC_UDP_TUNNEL_ADD_PORT) ? "add" :
+                    (op == SFC_UDP_TUNNEL_DEL_PORT) ? "delete" : "unknown",
+                    tunnel_udp->udp_port, tunnel_udp->prot_type);
+
+       tunnel_proto =
+               sfc_tunnel_rte_type_to_efx_udp_proto(tunnel_udp->prot_type);
+       if (tunnel_proto >= EFX_TUNNEL_NPROTOS) {
+               rc = ENOTSUP;
+               goto fail_bad_proto;
+       }
+
+       sfc_adapter_lock(sa);
+
+       switch (op) {
+       case SFC_UDP_TUNNEL_ADD_PORT:
+               rc = efx_tunnel_config_udp_add(sa->nic,
+                                              tunnel_udp->udp_port,
+                                              tunnel_proto);
+               break;
+       case SFC_UDP_TUNNEL_DEL_PORT:
+               rc = efx_tunnel_config_udp_remove(sa->nic,
+                                                 tunnel_udp->udp_port,
+                                                 tunnel_proto);
+               break;
+       default:
+               rc = EINVAL;
+               goto fail_bad_op;
+       }
+
+       if (rc != 0)
+               goto fail_op;
+
+       if (sa->state == SFC_ADAPTER_STARTED) {
+               rc = efx_tunnel_reconfigure(sa->nic);
+               if (rc == EAGAIN) {
+                       /*
+                        * Configuration is accepted by FW and MC reboot
+                        * is initiated to apply the changes. MC reboot
+                        * will be handled in a usual way (MC reboot
+                        * event on management event queue and adapter
+                        * restart).
+                        */
+                       rc = 0;
+               } else if (rc != 0) {
+                       goto fail_reconfigure;
+               }
+       }
+
+       sfc_adapter_unlock(sa);
+       return 0;
+
+fail_reconfigure:
+       /* Remove/restore entry since the change makes the trouble */
+       switch (op) {
+       case SFC_UDP_TUNNEL_ADD_PORT:
+               (void)efx_tunnel_config_udp_remove(sa->nic,
+                                                  tunnel_udp->udp_port,
+                                                  tunnel_proto);
+               break;
+       case SFC_UDP_TUNNEL_DEL_PORT:
+               (void)efx_tunnel_config_udp_add(sa->nic,
+                                               tunnel_udp->udp_port,
+                                               tunnel_proto);
+               break;
+       }
+
+fail_op:
+fail_bad_op:
+       sfc_adapter_unlock(sa);
+
+fail_bad_proto:
+       SFC_ASSERT(rc > 0);
+       return -rc;
+}
+
+static int
+sfc_dev_udp_tunnel_port_add(struct rte_eth_dev *dev,
+                           struct rte_eth_udp_tunnel *tunnel_udp)
+{
+       return sfc_dev_udp_tunnel_op(dev, tunnel_udp, SFC_UDP_TUNNEL_ADD_PORT);
+}
+
+static int
+sfc_dev_udp_tunnel_port_del(struct rte_eth_dev *dev,
+                           struct rte_eth_udp_tunnel *tunnel_udp)
+{
+       return sfc_dev_udp_tunnel_op(dev, tunnel_udp, SFC_UDP_TUNNEL_DEL_PORT);
+}
+
+/*
+ * The function is used by the secondary process as well. It must not
+ * use any process-local pointers from the adapter data.
+ */
+static int
+sfc_dev_rss_hash_conf_get(struct rte_eth_dev *dev,
+                         struct rte_eth_rss_conf *rss_conf)
+{
+       struct sfc_adapter_shared *sas = sfc_adapter_shared_by_eth_dev(dev);
+       struct sfc_rss *rss = &sas->rss;
+
+       if (rss->context_type != EFX_RX_SCALE_EXCLUSIVE)
+               return -ENOTSUP;
+
+       /*
+        * 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_rx_hf_efx_to_rte(rss, rss->hash_types);
+       rss_conf->rss_key_len = EFX_RSS_KEY_SIZE;
+       if (rss_conf->rss_key != NULL)
+               rte_memcpy(rss_conf->rss_key, rss->key, EFX_RSS_KEY_SIZE);
+
+       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 = sfc_adapter_by_eth_dev(dev);
+       struct sfc_rss *rss = &sfc_sa2shared(sa)->rss;
+       unsigned int efx_hash_types;
+       int rc = 0;
+
+       if (sfc_sa2shared(sa)->isolated)
+               return -ENOTSUP;
+
+       if (rss->context_type != EFX_RX_SCALE_EXCLUSIVE) {
+               sfc_err(sa, "RSS is not available");
+               return -ENOTSUP;
+       }
+
+       if (rss->channels == 0) {
+               sfc_err(sa, "RSS is not configured");
+               return -EINVAL;
+       }
+
+       if ((rss_conf->rss_key != NULL) &&
+           (rss_conf->rss_key_len != sizeof(rss->key))) {
+               sfc_err(sa, "RSS key size is wrong (should be %lu)",
+                       sizeof(rss->key));
+               return -EINVAL;
+       }
+
+       sfc_adapter_lock(sa);
+
+       rc = sfc_rx_hf_rte_to_efx(sa, rss_conf->rss_hf, &efx_hash_types);
+       if (rc != 0)
+               goto fail_rx_hf_rte_to_efx;
+
+       rc = efx_rx_scale_mode_set(sa->nic, EFX_RSS_CONTEXT_DEFAULT,
+                                  rss->hash_alg, 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,
+                                                 EFX_RSS_CONTEXT_DEFAULT,
+                                                 rss_conf->rss_key,
+                                                 sizeof(rss->key));
+                       if (rc != 0)
+                               goto fail_scale_key_set;
+               }
+
+               rte_memcpy(rss->key, rss_conf->rss_key, sizeof(rss->key));
+       }
+
+       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_RSS_CONTEXT_DEFAULT,
+                                 EFX_RX_HASHALG_TOEPLITZ,
+                                 rss->hash_types, B_TRUE) != 0)
+               sfc_err(sa, "failed to restore RSS mode");
+
+fail_scale_mode_set:
+fail_rx_hf_rte_to_efx:
+       sfc_adapter_unlock(sa);
+       return -rc;
+}
+
+/*
+ * The function is used by the secondary process as well. It must not
+ * use any process-local pointers from the adapter data.
+ */
+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_shared *sas = sfc_adapter_shared_by_eth_dev(dev);
+       struct sfc_rss *rss = &sas->rss;
+       int entry;
+
+       if (rss->context_type != EFX_RX_SCALE_EXCLUSIVE || sas->isolated)
+               return -ENOTSUP;
+
+       if (rss->channels == 0)
+               return -EINVAL;
+
+       if (reta_size != EFX_RSS_TBL_SIZE)
+               return -EINVAL;
+
+       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] = rss->tbl[entry];
+       }
+
+       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 = sfc_adapter_by_eth_dev(dev);
+       struct sfc_rss *rss = &sfc_sa2shared(sa)->rss;
+       unsigned int *rss_tbl_new;
+       uint16_t entry;
+       int rc = 0;
+
+
+       if (sfc_sa2shared(sa)->isolated)
+               return -ENOTSUP;
+
+       if (rss->context_type != EFX_RX_SCALE_EXCLUSIVE) {
+               sfc_err(sa, "RSS is not available");
+               return -ENOTSUP;
+       }
+
+       if (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(rss->tbl), 0);
+       if (rss_tbl_new == NULL)
+               return -ENOMEM;
+
+       sfc_adapter_lock(sa);
+
+       rte_memcpy(rss_tbl_new, rss->tbl, sizeof(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] >= rss->channels) {
+                               rc = EINVAL;
+                               goto bad_reta_entry;
+                       }
+                       rss_tbl_new[entry] = grp->reta[grp_idx];
+               }
+       }
+
+       if (sa->state == SFC_ADAPTER_STARTED) {
+               rc = efx_rx_scale_tbl_set(sa->nic, EFX_RSS_CONTEXT_DEFAULT,
+                                         rss_tbl_new, EFX_RSS_TBL_SIZE);
+               if (rc != 0)
+                       goto fail_scale_tbl_set;
+       }
+
+       rte_memcpy(rss->tbl, rss_tbl_new, sizeof(rss->tbl));
+
+fail_scale_tbl_set:
+bad_reta_entry:
+       sfc_adapter_unlock(sa);
+
+       rte_free(rss_tbl_new);
+
+       SFC_ASSERT(rc >= 0);
+       return -rc;
+}
+
+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 = sfc_adapter_by_eth_dev(dev);
+       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 int
+sfc_pool_ops_supported(struct rte_eth_dev *dev, const char *pool)
+{
+       const struct sfc_adapter_priv *sap = sfc_adapter_priv_by_eth_dev(dev);
+
+       /*
+        * If Rx datapath does not provide callback to check mempool,
+        * all pools are supported.
+        */
+       if (sap->dp_rx->pool_ops_supported == NULL)
+               return 1;
+
+       return sap->dp_rx->pool_ops_supported(pool);
+}
+
+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,
+       .rx_descriptor_status           = sfc_rx_descriptor_status,
+       .tx_descriptor_status           = sfc_tx_descriptor_status,
+       .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,
+       .udp_tunnel_port_add            = sfc_dev_udp_tunnel_port_add,
+       .udp_tunnel_port_del            = sfc_dev_udp_tunnel_port_del,
+       .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,
+       .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,
+       .xstats_get_by_id               = sfc_xstats_get_by_id,
+       .xstats_get_names_by_id         = sfc_xstats_get_names_by_id,
+       .pool_ops_supported             = sfc_pool_ops_supported,
+};
+
+/**
+ * Duplicate a string in potentially shared memory required for
+ * multi-process support.
+ *
+ * strdup() allocates from process-local heap/memory.
+ */
+static char *
+sfc_strdup(const char *str)
+{
+       size_t size;
+       char *copy;
+
+       if (str == NULL)
+               return NULL;
+
+       size = strlen(str) + 1;
+       copy = rte_malloc(__func__, size, 0);
+       if (copy != NULL)
+               rte_memcpy(copy, str, size);
+
+       return copy;
+}
+
+static int
+sfc_eth_dev_set_ops(struct rte_eth_dev *dev)
+{
+       struct sfc_adapter *sa = sfc_adapter_by_eth_dev(dev);
+       struct sfc_adapter_shared *sas = sfc_adapter_shared_by_eth_dev(dev);
+       const struct sfc_dp_rx *dp_rx;
+       const struct sfc_dp_tx *dp_tx;
+       const efx_nic_cfg_t *encp;
+       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:
+       case EFX_FAMILY_MEDFORD2:
+               avail_caps |= SFC_DP_HW_FW_CAP_EF10;
+               break;
+       default:
+               break;
+       }
+
+       encp = efx_nic_cfg_get(sa->nic);
+       if (encp->enc_rx_es_super_buffer_supported)
+               avail_caps |= SFC_DP_HW_FW_CAP_RX_ES_SUPER_BUFFER;
+
+       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) {
+               dp_rx = sfc_dp_find_rx_by_name(&sfc_dp_head, rx_name);
+               if (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(&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_caps;
+               }
+       } else {
+               dp_rx = sfc_dp_find_rx_by_caps(&sfc_dp_head, avail_caps);
+               if (dp_rx == NULL) {
+                       sfc_err(sa, "Rx datapath by caps %#x not found",
+                               avail_caps);
+                       rc = ENOENT;
+                       goto fail_dp_rx;
+               }
+       }
+
+       sas->dp_rx_name = sfc_strdup(dp_rx->dp.name);
+       if (sas->dp_rx_name == NULL) {
+               rc = ENOMEM;
+               goto fail_dp_rx_name;
+       }
+
+       sfc_notice(sa, "use %s Rx datapath", sas->dp_rx_name);
+
+       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) {
+               dp_tx = sfc_dp_find_tx_by_name(&sfc_dp_head, tx_name);
+               if (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(&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_caps;
+               }
+       } else {
+               dp_tx = sfc_dp_find_tx_by_caps(&sfc_dp_head, avail_caps);
+               if (dp_tx == NULL) {
+                       sfc_err(sa, "Tx datapath by caps %#x not found",
+                               avail_caps);
+                       rc = ENOENT;
+                       goto fail_dp_tx;
+               }
+       }
+
+       sas->dp_tx_name = sfc_strdup(dp_tx->dp.name);
+       if (sas->dp_tx_name == NULL) {
+               rc = ENOMEM;
+               goto fail_dp_tx_name;
+       }
+
+       sfc_notice(sa, "use %s Tx datapath", sas->dp_tx_name);
+
+       sa->priv.dp_rx = dp_rx;
+       sa->priv.dp_tx = dp_tx;
+
+       dev->rx_pkt_burst = dp_rx->pkt_burst;
+       dev->tx_pkt_prepare = dp_tx->pkt_prepare;
+       dev->tx_pkt_burst = dp_tx->pkt_burst;
+
+       dev->dev_ops = &sfc_eth_dev_ops;
+
+       return 0;
+
+fail_dp_tx_name:
+fail_dp_tx_caps:
+fail_dp_tx:
+fail_kvarg_tx_datapath:
+       rte_free(sas->dp_rx_name);
+       sas->dp_rx_name = NULL;
+
+fail_dp_rx_name:
+fail_dp_rx_caps:
+fail_dp_rx:
+fail_kvarg_rx_datapath:
+       return rc;
+}
+
+static void
+sfc_eth_dev_clear_ops(struct rte_eth_dev *dev)
+{
+       struct sfc_adapter *sa = sfc_adapter_by_eth_dev(dev);
+       struct sfc_adapter_shared *sas = sfc_adapter_shared_by_eth_dev(dev);
+
+       dev->dev_ops = NULL;
+       dev->tx_pkt_prepare = NULL;
+       dev->rx_pkt_burst = NULL;
+       dev->tx_pkt_burst = NULL;
+
+       rte_free(sas->dp_tx_name);
+       sas->dp_tx_name = NULL;
+       sa->priv.dp_tx = NULL;
+
+       rte_free(sas->dp_rx_name);
+       sas->dp_rx_name = NULL;
+       sa->priv.dp_rx = NULL;
+}
+
+static const struct eth_dev_ops sfc_eth_dev_secondary_ops = {
+       .dev_supported_ptypes_get       = sfc_dev_supported_ptypes_get,
+       .rx_queue_count                 = sfc_rx_queue_count,
+       .rx_descriptor_done             = sfc_rx_descriptor_done,
+       .rx_descriptor_status           = sfc_rx_descriptor_status,
+       .tx_descriptor_status           = sfc_tx_descriptor_status,
+       .reta_query                     = sfc_dev_rss_reta_query,
+       .rss_hash_conf_get              = sfc_dev_rss_hash_conf_get,
+       .rxq_info_get                   = sfc_rx_queue_info_get,
+       .txq_info_get                   = sfc_tx_queue_info_get,
+};
+
+static int
+sfc_eth_dev_secondary_init(struct rte_eth_dev *dev, uint32_t logtype_main)
+{
+       struct sfc_adapter_shared *sas = sfc_adapter_shared_by_eth_dev(dev);
+       struct sfc_adapter_priv *sap;
+       const struct sfc_dp_rx *dp_rx;
+       const struct sfc_dp_tx *dp_tx;
+       int rc;
+
+       /*
+        * Allocate process private data from heap, since it should not
+        * be located in shared memory allocated using rte_malloc() API.
+        */
+       sap = calloc(1, sizeof(*sap));
+       if (sap == NULL) {
+               rc = ENOMEM;
+               goto fail_alloc_priv;
+       }
+
+       sap->logtype_main = logtype_main;
+
+       dp_rx = sfc_dp_find_rx_by_name(&sfc_dp_head, sas->dp_rx_name);
+       if (dp_rx == NULL) {
+               SFC_LOG(sas, RTE_LOG_ERR, logtype_main,
+                       "cannot find %s Rx datapath", sas->dp_rx_name);
+               rc = ENOENT;
+               goto fail_dp_rx;
+       }
+       if (~dp_rx->features & SFC_DP_RX_FEAT_MULTI_PROCESS) {
+               SFC_LOG(sas, RTE_LOG_ERR, logtype_main,
+                       "%s Rx datapath does not support multi-process",
+                       sas->dp_rx_name);
+               rc = EINVAL;
+               goto fail_dp_rx_multi_process;
+       }
+
+       dp_tx = sfc_dp_find_tx_by_name(&sfc_dp_head, sas->dp_tx_name);
+       if (dp_tx == NULL) {
+               SFC_LOG(sas, RTE_LOG_ERR, logtype_main,
+                       "cannot find %s Tx datapath", sas->dp_tx_name);
+               rc = ENOENT;
+               goto fail_dp_tx;
+       }
+       if (~dp_tx->features & SFC_DP_TX_FEAT_MULTI_PROCESS) {
+               SFC_LOG(sas, RTE_LOG_ERR, logtype_main,
+                       "%s Tx datapath does not support multi-process",
+                       sas->dp_tx_name);
+               rc = EINVAL;
+               goto fail_dp_tx_multi_process;
+       }
+
+       sap->dp_rx = dp_rx;
+       sap->dp_tx = dp_tx;
+
+       dev->process_private = sap;
+       dev->rx_pkt_burst = dp_rx->pkt_burst;
+       dev->tx_pkt_prepare = dp_tx->pkt_prepare;
+       dev->tx_pkt_burst = dp_tx->pkt_burst;
+       dev->dev_ops = &sfc_eth_dev_secondary_ops;
+
+       return 0;
+
+fail_dp_tx_multi_process:
+fail_dp_tx:
+fail_dp_rx_multi_process:
+fail_dp_rx:
+       free(sap);
+
+fail_alloc_priv:
+       return rc;
+}
+
+static void
+sfc_eth_dev_secondary_clear_ops(struct rte_eth_dev *dev)
+{
+       free(dev->process_private);
+       dev->process_private = NULL;
+       dev->dev_ops = NULL;
+       dev->tx_pkt_prepare = NULL;
+       dev->tx_pkt_burst = NULL;
+       dev->rx_pkt_burst = NULL;
+}
+
+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_essb_rx.dp);
+               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_shared *sas = sfc_adapter_shared_by_eth_dev(dev);
+       struct rte_pci_device *pci_dev = RTE_ETH_DEV_TO_PCI(dev);
+       uint32_t logtype_main;
+       struct sfc_adapter *sa;
+       int rc;
+       const efx_nic_cfg_t *encp;
+       const struct rte_ether_addr *from;
+
+       sfc_register_dp();
+
+       logtype_main = sfc_register_logtype(&pci_dev->addr,
+                                           SFC_LOGTYPE_MAIN_STR,
+                                           RTE_LOG_NOTICE);
+
+       if (rte_eal_process_type() != RTE_PROC_PRIMARY)
+               return -sfc_eth_dev_secondary_init(dev, logtype_main);
+
+       /* Required for logging */
+       sas->pci_addr = pci_dev->addr;
+       sas->port_id = dev->data->port_id;
+
+       /*
+        * Allocate process private data from heap, since it should not
+        * be located in shared memory allocated using rte_malloc() API.
+        */
+       sa = calloc(1, sizeof(*sa));
+       if (sa == NULL) {
+               rc = ENOMEM;
+               goto fail_alloc_sa;
+       }
+
+       dev->process_private = sa;
+
+       /* Required for logging */
+       sa->priv.shared = sas;
+       sa->priv.logtype_main = logtype_main;
+
+       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;
+
+       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 rte_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:
+       sfc_eth_dev_clear_ops(dev);
+
+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);
+       dev->process_private = NULL;
+       free(sa);
+
+fail_alloc_sa:
        SFC_ASSERT(rc > 0);
        return -rc;
 }
@@ -719,20 +2161,22 @@ fail_kvargs_parse:
 static int
 sfc_eth_dev_uninit(struct rte_eth_dev *dev)
 {
-       struct sfc_adapter *sa = dev->data->dev_private;
+       struct sfc_adapter *sa;
+
+       if (rte_eal_process_type() != RTE_PROC_PRIMARY) {
+               sfc_eth_dev_secondary_clear_ops(dev);
+               return 0;
+       }
 
+       sa = sfc_adapter_by_eth_dev(dev);
        sfc_log_init(sa, "entry");
 
        sfc_adapter_lock(sa);
 
-       sfc_detach(sa);
-
-       rte_free(dev->data->mac_addrs);
-       dev->data->mac_addrs = NULL;
+       sfc_eth_dev_clear_ops(dev);
 
-       dev->dev_ops = NULL;
-       dev->rx_pkt_burst = NULL;
-       dev->tx_pkt_burst = NULL;
+       sfc_detach(sa);
+       sfc_unprobe(sa);
 
        sfc_kvargs_cleanup(sa);
 
@@ -743,33 +2187,62 @@ sfc_eth_dev_uninit(struct rte_eth_dev *dev)
 
        /* Required for logging, so cleanup last */
        sa->eth_dev = NULL;
+
+       dev->process_private = NULL;
+       free(sa);
+
        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) },
+       { RTE_PCI_DEVICE(EFX_PCI_VENID_SFC, EFX_PCI_DEVID_MEDFORD2) },
+       { RTE_PCI_DEVICE(EFX_PCI_VENID_SFC, EFX_PCI_DEVID_MEDFORD2_VF) },
        { .vendor_id = 0 /* sentinel */ }
 };
 
-static struct eth_driver sfc_efx_pmd = {
-       .pci_drv = {
-               .id_table = pci_id_sfc_efx_map,
-               .drv_flags =
-                       RTE_PCI_DRV_INTR_LSC |
-                       RTE_PCI_DRV_NEED_MAPPING,
-               .probe = rte_eth_dev_pci_probe,
-               .remove = rte_eth_dev_pci_remove,
-       },
-       .eth_dev_init = sfc_eth_dev_init,
-       .eth_dev_uninit = sfc_eth_dev_uninit,
-       .dev_private_size = sizeof(struct sfc_adapter),
+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_shared), 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.pci_drv);
+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-pci");
 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_MCDI_LOGGING "=" SFC_KVARG_VALUES_BOOL " "
-       SFC_KVARG_DEBUG_INIT "=" SFC_KVARG_VALUES_BOOL);
+       SFC_KVARG_FW_VARIANT "=" SFC_KVARG_VALUES_FW_VARIANT " "
+       SFC_KVARG_RXD_WAIT_TIMEOUT_NS "=<long> "
+       SFC_KVARG_STATS_UPDATE_PERIOD_MS "=<long>");
+
+RTE_INIT(sfc_driver_register_logtype)
+{
+       int ret;
+
+       ret = rte_log_register_type_and_pick_level(SFC_LOGTYPE_PREFIX "driver",
+                                                  RTE_LOG_NOTICE);
+       sfc_logtype_driver = (ret < 0) ? RTE_LOGTYPE_PMD : ret;
+}