ethdev: add namespace
[dpdk.git] / drivers / net / sfc / sfc_tx.c
index 12665d8..0273788 100644 (file)
@@ -1,7 +1,7 @@
 /* SPDX-License-Identifier: BSD-3-Clause
  *
- * Copyright (c) 2016-2018 Solarflare Communications Inc.
- * All rights reserved.
+ * Copyright(c) 2019-2021 Xilinx, Inc.
+ * Copyright(c) 2016-2019 Solarflare Communications Inc.
  *
  * This software was jointly developed between OKTET Labs (under contract
  * for Solarflare) and Solarflare Communications, Inc.
  */
 #define SFC_TX_QFLUSH_POLL_ATTEMPTS    (2000)
 
-uint64_t
-sfc_tx_get_dev_offload_caps(struct sfc_adapter *sa)
+struct sfc_txq_info *
+sfc_txq_info_by_ethdev_qid(struct sfc_adapter_shared *sas,
+                          sfc_ethdev_qid_t ethdev_qid)
 {
-       const efx_nic_cfg_t *encp = efx_nic_cfg_get(sa->nic);
-       uint64_t caps = 0;
-
-       if ((sa->dp_tx->features & SFC_DP_TX_FEAT_VLAN_INSERT) &&
-           encp->enc_hw_tx_insert_vlan_enabled)
-               caps |= DEV_TX_OFFLOAD_VLAN_INSERT;
+       sfc_sw_index_t sw_index;
 
-       if (sa->dp_tx->features & SFC_DP_TX_FEAT_MULTI_SEG)
-               caps |= DEV_TX_OFFLOAD_MULTI_SEGS;
+       SFC_ASSERT((unsigned int)ethdev_qid < sas->ethdev_txq_count);
+       SFC_ASSERT(ethdev_qid != SFC_ETHDEV_QID_INVALID);
 
-       if ((~sa->dp_tx->features & SFC_DP_TX_FEAT_MULTI_POOL) &&
-           (~sa->dp_tx->features & SFC_DP_TX_FEAT_REFCNT))
-               caps |= DEV_TX_OFFLOAD_MBUF_FAST_FREE;
-
-       return caps;
+       sw_index = sfc_txq_sw_index_by_ethdev_tx_qid(sas, ethdev_qid);
+       return &sas->txq_info[sw_index];
 }
 
-uint64_t
-sfc_tx_get_queue_offload_caps(struct sfc_adapter *sa)
+static uint64_t
+sfc_tx_get_offload_mask(struct sfc_adapter *sa)
 {
        const efx_nic_cfg_t *encp = efx_nic_cfg_get(sa->nic);
-       uint64_t caps = 0;
+       uint64_t no_caps = 0;
 
-       caps |= DEV_TX_OFFLOAD_IPV4_CKSUM;
-       caps |= DEV_TX_OFFLOAD_UDP_CKSUM;
-       caps |= DEV_TX_OFFLOAD_TCP_CKSUM;
+       if (!encp->enc_hw_tx_insert_vlan_enabled)
+               no_caps |= RTE_ETH_TX_OFFLOAD_VLAN_INSERT;
 
-       if (encp->enc_tunnel_encapsulations_supported)
-               caps |= DEV_TX_OFFLOAD_OUTER_IPV4_CKSUM;
+       if (!encp->enc_tunnel_encapsulations_supported)
+               no_caps |= RTE_ETH_TX_OFFLOAD_OUTER_IPV4_CKSUM;
 
-       if (sa->tso)
-               caps |= DEV_TX_OFFLOAD_TCP_TSO;
+       if (!sa->tso)
+               no_caps |= RTE_ETH_TX_OFFLOAD_TCP_TSO;
 
-       return caps;
+       if (!sa->tso_encap ||
+           (encp->enc_tunnel_encapsulations_supported &
+            (1u << EFX_TUNNEL_PROTOCOL_VXLAN)) == 0)
+               no_caps |= RTE_ETH_TX_OFFLOAD_VXLAN_TNL_TSO;
+
+       if (!sa->tso_encap ||
+           (encp->enc_tunnel_encapsulations_supported &
+            (1u << EFX_TUNNEL_PROTOCOL_GENEVE)) == 0)
+               no_caps |= RTE_ETH_TX_OFFLOAD_GENEVE_TNL_TSO;
+
+       return ~no_caps;
+}
+
+uint64_t
+sfc_tx_get_dev_offload_caps(struct sfc_adapter *sa)
+{
+       return sa->priv.dp_tx->dev_offload_capa & sfc_tx_get_offload_mask(sa);
+}
+
+uint64_t
+sfc_tx_get_queue_offload_caps(struct sfc_adapter *sa)
+{
+       return sa->priv.dp_tx->queue_offload_capa & sfc_tx_get_offload_mask(sa);
 }
 
 static int
@@ -100,8 +114,8 @@ sfc_tx_qcheck_conf(struct sfc_adapter *sa, unsigned int txq_max_fill_level,
        }
 
        /* We either perform both TCP and UDP offload, or no offload at all */
-       if (((offloads & DEV_TX_OFFLOAD_TCP_CKSUM) == 0) !=
-           ((offloads & DEV_TX_OFFLOAD_UDP_CKSUM) == 0)) {
+       if (((offloads & RTE_ETH_TX_OFFLOAD_TCP_CKSUM) == 0) !=
+           ((offloads & RTE_ETH_TX_OFFLOAD_UDP_CKSUM) == 0)) {
                sfc_err(sa, "TCP and UDP offloads can't be set independently");
                rc = EINVAL;
        }
@@ -110,17 +124,19 @@ sfc_tx_qcheck_conf(struct sfc_adapter *sa, unsigned int txq_max_fill_level,
 }
 
 void
-sfc_tx_qflush_done(struct sfc_txq *txq)
+sfc_tx_qflush_done(struct sfc_txq_info *txq_info)
 {
-       txq->state |= SFC_TXQ_FLUSHED;
-       txq->state &= ~SFC_TXQ_FLUSHING;
+       txq_info->state |= SFC_TXQ_FLUSHED;
+       txq_info->state &= ~SFC_TXQ_FLUSHING;
 }
 
 int
-sfc_tx_qinit(struct sfc_adapter *sa, unsigned int sw_index,
+sfc_tx_qinit(struct sfc_adapter *sa, sfc_sw_index_t sw_index,
             uint16_t nb_tx_desc, unsigned int socket_id,
             const struct rte_eth_txconf *tx_conf)
 {
+       struct sfc_adapter_shared * const sas = sfc_sa2shared(sa);
+       sfc_ethdev_qid_t ethdev_qid;
        const efx_nic_cfg_t *encp = efx_nic_cfg_get(sa->nic);
        unsigned int txq_entries;
        unsigned int evq_entries;
@@ -131,26 +147,37 @@ sfc_tx_qinit(struct sfc_adapter *sa, unsigned int sw_index,
        int rc = 0;
        struct sfc_dp_tx_qcreate_info info;
        uint64_t offloads;
+       struct sfc_dp_tx_hw_limits hw_limits;
+
+       ethdev_qid = sfc_ethdev_tx_qid_by_txq_sw_index(sas, sw_index);
+
+       sfc_log_init(sa, "TxQ = %d (internal %u)", ethdev_qid, sw_index);
 
-       sfc_log_init(sa, "TxQ = %u", sw_index);
+       memset(&hw_limits, 0, sizeof(hw_limits));
+       hw_limits.txq_max_entries = sa->txq_max_entries;
+       hw_limits.txq_min_entries = sa->txq_min_entries;
 
-       rc = sa->dp_tx->qsize_up_rings(nb_tx_desc, &txq_entries, &evq_entries,
-                                      &txq_max_fill_level);
+       rc = sa->priv.dp_tx->qsize_up_rings(nb_tx_desc, &hw_limits,
+                                           &txq_entries, &evq_entries,
+                                           &txq_max_fill_level);
        if (rc != 0)
                goto fail_size_up_rings;
-       SFC_ASSERT(txq_entries >= EFX_TXQ_MINNDESCS);
+       SFC_ASSERT(txq_entries >= sa->txq_min_entries);
        SFC_ASSERT(txq_entries <= sa->txq_max_entries);
        SFC_ASSERT(txq_entries >= nb_tx_desc);
        SFC_ASSERT(txq_max_fill_level <= nb_tx_desc);
 
-       offloads = tx_conf->offloads |
-               sa->eth_dev->data->dev_conf.txmode.offloads;
+       offloads = tx_conf->offloads;
+       /* Add device level Tx offloads if the queue is an ethdev Tx queue */
+       if (ethdev_qid != SFC_ETHDEV_QID_INVALID)
+               offloads |= sa->eth_dev->data->dev_conf.txmode.offloads;
+
        rc = sfc_tx_qcheck_conf(sa, txq_max_fill_level, tx_conf, offloads);
        if (rc != 0)
                goto fail_bad_conf;
 
-       SFC_ASSERT(sw_index < sa->txq_count);
-       txq_info = &sa->txq_info[sw_index];
+       SFC_ASSERT(sw_index < sfc_sa2shared(sa)->txq_count);
+       txq_info = &sfc_sa2shared(sa)->txq_info[sw_index];
 
        txq_info->entries = txq_entries;
 
@@ -159,28 +186,23 @@ sfc_tx_qinit(struct sfc_adapter *sa, unsigned int sw_index,
        if (rc != 0)
                goto fail_ev_qinit;
 
-       rc = ENOMEM;
-       txq = rte_zmalloc_socket("sfc-txq", sizeof(*txq), 0, socket_id);
-       if (txq == NULL)
-               goto fail_txq_alloc;
-
-       txq_info->txq = txq;
-
+       txq = &sa->txq_ctrl[sw_index];
        txq->hw_index = sw_index;
        txq->evq = evq;
-       txq->free_thresh =
+       txq_info->free_thresh =
                (tx_conf->tx_free_thresh) ? tx_conf->tx_free_thresh :
                SFC_TX_DEFAULT_FREE_THRESH;
-       txq->offloads = offloads;
+       txq_info->offloads = offloads;
 
-       rc = sfc_dma_alloc(sa, "txq", sw_index, EFX_TXQ_SIZE(txq_info->entries),
+       rc = sfc_dma_alloc(sa, "txq", sw_index,
+                          efx_txq_size(sa->nic, txq_info->entries),
                           socket_id, &txq->mem);
        if (rc != 0)
                goto fail_dma_alloc;
 
        memset(&info, 0, sizeof(info));
        info.max_fill_level = txq_max_fill_level;
-       info.free_thresh = txq->free_thresh;
+       info.free_thresh = txq_info->free_thresh;
        info.offloads = offloads;
        info.txq_entries = txq_info->entries;
        info.dma_desc_size_max = encp->enc_tx_dma_desc_size_max;
@@ -190,16 +212,29 @@ sfc_tx_qinit(struct sfc_adapter *sa, unsigned int sw_index,
        info.hw_index = txq->hw_index;
        info.mem_bar = sa->mem_bar.esb_base;
        info.vi_window_shift = encp->enc_vi_window_shift;
-
-       rc = sa->dp_tx->qcreate(sa->eth_dev->data->port_id, sw_index,
-                               &RTE_ETH_DEV_TO_PCI(sa->eth_dev)->addr,
-                               socket_id, &info, &txq->dp);
+       info.tso_tcp_header_offset_limit =
+               encp->enc_tx_tso_tcp_header_offset_limit;
+       info.tso_max_nb_header_descs =
+               RTE_MIN(encp->enc_tx_tso_max_header_ndescs,
+                       (uint32_t)UINT16_MAX);
+       info.tso_max_header_len =
+               RTE_MIN(encp->enc_tx_tso_max_header_length,
+                       (uint32_t)UINT16_MAX);
+       info.tso_max_nb_payload_descs =
+               RTE_MIN(encp->enc_tx_tso_max_payload_ndescs,
+                       (uint32_t)UINT16_MAX);
+       info.tso_max_payload_len = encp->enc_tx_tso_max_payload_length;
+       info.tso_max_nb_outgoing_frames = encp->enc_tx_tso_max_nframes;
+
+       rc = sa->priv.dp_tx->qcreate(sa->eth_dev->data->port_id, sw_index,
+                                    &RTE_ETH_DEV_TO_PCI(sa->eth_dev)->addr,
+                                    socket_id, &info, &txq_info->dp);
        if (rc != 0)
                goto fail_dp_tx_qinit;
 
-       evq->dp_txq = txq->dp;
+       evq->dp_txq = txq_info->dp;
 
-       txq->state = SFC_TXQ_INITIALIZED;
+       txq_info->state = SFC_TXQ_INITIALIZED;
 
        txq_info->deferred_start = (tx_conf->tx_deferred_start != 0);
 
@@ -209,10 +244,6 @@ fail_dp_tx_qinit:
        sfc_dma_free(sa, &txq->mem);
 
 fail_dma_alloc:
-       txq_info->txq = NULL;
-       rte_free(txq);
-
-fail_txq_alloc:
        sfc_ev_qfini(evq);
 
 fail_ev_qinit:
@@ -220,45 +251,54 @@ fail_ev_qinit:
 
 fail_bad_conf:
 fail_size_up_rings:
-       sfc_log_init(sa, "failed (TxQ = %u, rc = %d)", sw_index, rc);
+       sfc_log_init(sa, "failed (TxQ = %d (internal %u), rc = %d)", ethdev_qid,
+                    sw_index, rc);
        return rc;
 }
 
 void
-sfc_tx_qfini(struct sfc_adapter *sa, unsigned int sw_index)
+sfc_tx_qfini(struct sfc_adapter *sa, sfc_sw_index_t sw_index)
 {
+       struct sfc_adapter_shared * const sas = sfc_sa2shared(sa);
+       sfc_ethdev_qid_t ethdev_qid;
        struct sfc_txq_info *txq_info;
        struct sfc_txq *txq;
 
-       sfc_log_init(sa, "TxQ = %u", sw_index);
+       ethdev_qid = sfc_ethdev_tx_qid_by_txq_sw_index(sas, sw_index);
 
-       SFC_ASSERT(sw_index < sa->txq_count);
-       sa->eth_dev->data->tx_queues[sw_index] = NULL;
+       sfc_log_init(sa, "TxQ = %d (internal %u)", ethdev_qid, sw_index);
 
-       txq_info = &sa->txq_info[sw_index];
+       SFC_ASSERT(sw_index < sfc_sa2shared(sa)->txq_count);
+       if (ethdev_qid != SFC_ETHDEV_QID_INVALID)
+               sa->eth_dev->data->tx_queues[ethdev_qid] = NULL;
 
-       txq = txq_info->txq;
-       SFC_ASSERT(txq != NULL);
-       SFC_ASSERT(txq->state == SFC_TXQ_INITIALIZED);
+       txq_info = &sfc_sa2shared(sa)->txq_info[sw_index];
 
-       sa->dp_tx->qdestroy(txq->dp);
-       txq->dp = NULL;
+       SFC_ASSERT(txq_info->state == SFC_TXQ_INITIALIZED);
 
-       txq_info->txq = NULL;
+       sa->priv.dp_tx->qdestroy(txq_info->dp);
+       txq_info->dp = NULL;
+
+       txq_info->state &= ~SFC_TXQ_INITIALIZED;
        txq_info->entries = 0;
 
+       txq = &sa->txq_ctrl[sw_index];
+
        sfc_dma_free(sa, &txq->mem);
 
        sfc_ev_qfini(txq->evq);
        txq->evq = NULL;
-
-       rte_free(txq);
 }
 
-static int
-sfc_tx_qinit_info(struct sfc_adapter *sa, unsigned int sw_index)
+int
+sfc_tx_qinit_info(struct sfc_adapter *sa, sfc_sw_index_t sw_index)
 {
-       sfc_log_init(sa, "TxQ = %u", sw_index);
+       struct sfc_adapter_shared * const sas = sfc_sa2shared(sa);
+       sfc_ethdev_qid_t ethdev_qid;
+
+       ethdev_qid = sfc_ethdev_tx_qid_by_txq_sw_index(sas, sw_index);
+
+       sfc_log_init(sa, "TxQ = %d (internal %u)", ethdev_qid, sw_index);
 
        return 0;
 }
@@ -269,7 +309,7 @@ sfc_tx_check_mode(struct sfc_adapter *sa, const struct rte_eth_txmode *txmode)
        int rc = 0;
 
        switch (txmode->mq_mode) {
-       case ETH_MQ_TX_NONE:
+       case RTE_ETH_MQ_TX_NONE:
                break;
        default:
                sfc_err(sa, "Tx multi-queue mode %u not supported",
@@ -306,29 +346,43 @@ sfc_tx_check_mode(struct sfc_adapter *sa, const struct rte_eth_txmode *txmode)
 static void
 sfc_tx_fini_queues(struct sfc_adapter *sa, unsigned int nb_tx_queues)
 {
-       int sw_index;
+       struct sfc_adapter_shared * const sas = sfc_sa2shared(sa);
+       sfc_sw_index_t sw_index;
+       sfc_ethdev_qid_t ethdev_qid;
+
+       SFC_ASSERT(nb_tx_queues <= sas->ethdev_txq_count);
 
-       SFC_ASSERT(nb_tx_queues <= sa->txq_count);
+       /*
+        * Finalize only ethdev queues since other ones are finalized only
+        * on device close and they may require additional deinitializaton.
+        */
+       ethdev_qid = sas->ethdev_txq_count;
+       while (--ethdev_qid >= (int)nb_tx_queues) {
+               struct sfc_txq_info *txq_info;
 
-       sw_index = sa->txq_count;
-       while (--sw_index >= (int)nb_tx_queues) {
-               if (sa->txq_info[sw_index].txq != NULL)
+               sw_index = sfc_txq_sw_index_by_ethdev_tx_qid(sas, ethdev_qid);
+               txq_info = sfc_txq_info_by_ethdev_qid(sas, ethdev_qid);
+               if (txq_info->state & SFC_TXQ_INITIALIZED)
                        sfc_tx_qfini(sa, sw_index);
        }
 
-       sa->txq_count = nb_tx_queues;
+       sas->ethdev_txq_count = nb_tx_queues;
 }
 
 int
 sfc_tx_configure(struct sfc_adapter *sa)
 {
+       struct sfc_adapter_shared * const sas = sfc_sa2shared(sa);
        const efx_nic_cfg_t *encp = efx_nic_cfg_get(sa->nic);
        const struct rte_eth_conf *dev_conf = &sa->eth_dev->data->dev_conf;
        const unsigned int nb_tx_queues = sa->eth_dev->data->nb_tx_queues;
+       const unsigned int nb_rsvd_tx_queues = sfc_nb_txq_reserved(sas);
+       const unsigned int nb_txq_total = nb_tx_queues + nb_rsvd_tx_queues;
+       bool reconfigure;
        int rc = 0;
 
        sfc_log_init(sa, "nb_tx_queues=%u (old %u)",
-                    nb_tx_queues, sa->txq_count);
+                    nb_tx_queues, sas->ethdev_txq_count);
 
        /*
         * The datapath implementation assumes absence of boundary
@@ -344,47 +398,85 @@ sfc_tx_configure(struct sfc_adapter *sa)
        if (rc != 0)
                goto fail_check_mode;
 
-       if (nb_tx_queues == sa->txq_count)
+       if (nb_txq_total == sas->txq_count)
                goto done;
 
-       if (sa->txq_info == NULL) {
-               sa->txq_info = rte_calloc_socket("sfc-txqs", nb_tx_queues,
-                                                sizeof(sa->txq_info[0]), 0,
-                                                sa->socket_id);
-               if (sa->txq_info == NULL)
+       if (sas->txq_info == NULL) {
+               reconfigure = false;
+               sas->txq_info = rte_calloc_socket("sfc-txqs", nb_txq_total,
+                                                 sizeof(sas->txq_info[0]), 0,
+                                                 sa->socket_id);
+               if (sas->txq_info == NULL)
                        goto fail_txqs_alloc;
+
+               /*
+                * Allocate primary process only TxQ control from heap
+                * since it should not be shared.
+                */
+               rc = ENOMEM;
+               sa->txq_ctrl = calloc(nb_txq_total, sizeof(sa->txq_ctrl[0]));
+               if (sa->txq_ctrl == NULL)
+                       goto fail_txqs_ctrl_alloc;
        } else {
                struct sfc_txq_info *new_txq_info;
+               struct sfc_txq *new_txq_ctrl;
+
+               reconfigure = true;
 
-               if (nb_tx_queues < sa->txq_count)
+               if (nb_tx_queues < sas->ethdev_txq_count)
                        sfc_tx_fini_queues(sa, nb_tx_queues);
 
                new_txq_info =
-                       rte_realloc(sa->txq_info,
-                                   nb_tx_queues * sizeof(sa->txq_info[0]), 0);
-               if (new_txq_info == NULL && nb_tx_queues > 0)
+                       rte_realloc(sas->txq_info,
+                                   nb_txq_total * sizeof(sas->txq_info[0]), 0);
+               if (new_txq_info == NULL && nb_txq_total > 0)
                        goto fail_txqs_realloc;
 
-               sa->txq_info = new_txq_info;
-               if (nb_tx_queues > sa->txq_count)
-                       memset(&sa->txq_info[sa->txq_count], 0,
-                              (nb_tx_queues - sa->txq_count) *
-                              sizeof(sa->txq_info[0]));
+               new_txq_ctrl = realloc(sa->txq_ctrl,
+                                      nb_txq_total * sizeof(sa->txq_ctrl[0]));
+               if (new_txq_ctrl == NULL && nb_txq_total > 0)
+                       goto fail_txqs_ctrl_realloc;
+
+               sas->txq_info = new_txq_info;
+               sa->txq_ctrl = new_txq_ctrl;
+               if (nb_txq_total > sas->txq_count) {
+                       memset(&sas->txq_info[sas->txq_count], 0,
+                              (nb_txq_total - sas->txq_count) *
+                              sizeof(sas->txq_info[0]));
+                       memset(&sa->txq_ctrl[sas->txq_count], 0,
+                              (nb_txq_total - sas->txq_count) *
+                              sizeof(sa->txq_ctrl[0]));
+               }
        }
 
-       while (sa->txq_count < nb_tx_queues) {
-               rc = sfc_tx_qinit_info(sa, sa->txq_count);
+       while (sas->ethdev_txq_count < nb_tx_queues) {
+               sfc_sw_index_t sw_index;
+
+               sw_index = sfc_txq_sw_index_by_ethdev_tx_qid(sas,
+                               sas->ethdev_txq_count);
+               rc = sfc_tx_qinit_info(sa, sw_index);
                if (rc != 0)
                        goto fail_tx_qinit_info;
 
-               sa->txq_count++;
+               sas->ethdev_txq_count++;
+       }
+
+       sas->txq_count = sas->ethdev_txq_count + nb_rsvd_tx_queues;
+
+       if (!reconfigure) {
+               rc = sfc_repr_proxy_txq_init(sa);
+               if (rc != 0)
+                       goto fail_repr_proxy_txq_init;
        }
 
 done:
        return 0;
 
+fail_repr_proxy_txq_init:
 fail_tx_qinit_info:
+fail_txqs_ctrl_realloc:
 fail_txqs_realloc:
+fail_txqs_ctrl_alloc:
 fail_txqs_alloc:
        sfc_tx_close(sa);
 
@@ -398,17 +490,22 @@ void
 sfc_tx_close(struct sfc_adapter *sa)
 {
        sfc_tx_fini_queues(sa, 0);
+       sfc_repr_proxy_txq_fini(sa);
+
+       free(sa->txq_ctrl);
+       sa->txq_ctrl = NULL;
 
-       rte_free(sa->txq_info);
-       sa->txq_info = NULL;
+       rte_free(sfc_sa2shared(sa)->txq_info);
+       sfc_sa2shared(sa)->txq_info = NULL;
 }
 
 int
-sfc_tx_qstart(struct sfc_adapter *sa, unsigned int sw_index)
+sfc_tx_qstart(struct sfc_adapter *sa, sfc_sw_index_t sw_index)
 {
+       struct sfc_adapter_shared * const sas = sfc_sa2shared(sa);
+       sfc_ethdev_qid_t ethdev_qid;
        uint64_t offloads_supported = sfc_tx_get_dev_offload_caps(sa) |
                                      sfc_tx_get_queue_offload_caps(sa);
-       struct rte_eth_dev_data *dev_data;
        struct sfc_txq_info *txq_info;
        struct sfc_txq *txq;
        struct sfc_evq *evq;
@@ -416,40 +513,42 @@ sfc_tx_qstart(struct sfc_adapter *sa, unsigned int sw_index)
        unsigned int desc_index;
        int rc = 0;
 
-       sfc_log_init(sa, "TxQ = %u", sw_index);
+       ethdev_qid = sfc_ethdev_tx_qid_by_txq_sw_index(sas, sw_index);
 
-       SFC_ASSERT(sw_index < sa->txq_count);
-       txq_info = &sa->txq_info[sw_index];
+       sfc_log_init(sa, "TxQ = %d (internal %u)", ethdev_qid, sw_index);
 
-       txq = txq_info->txq;
+       SFC_ASSERT(sw_index < sas->txq_count);
+       txq_info = &sas->txq_info[sw_index];
 
-       SFC_ASSERT(txq != NULL);
-       SFC_ASSERT(txq->state == SFC_TXQ_INITIALIZED);
+       SFC_ASSERT(txq_info->state == SFC_TXQ_INITIALIZED);
 
+       txq = &sa->txq_ctrl[sw_index];
        evq = txq->evq;
 
-       rc = sfc_ev_qstart(evq, sfc_evq_index_by_txq_sw_index(sa, sw_index));
+       rc = sfc_ev_qstart(evq, sfc_evq_sw_index_by_txq_sw_index(sa, sw_index));
        if (rc != 0)
                goto fail_ev_qstart;
 
-       if (txq->offloads & DEV_TX_OFFLOAD_IPV4_CKSUM)
+       if (txq_info->offloads & RTE_ETH_TX_OFFLOAD_IPV4_CKSUM)
                flags |= EFX_TXQ_CKSUM_IPV4;
 
-       if (txq->offloads & DEV_TX_OFFLOAD_OUTER_IPV4_CKSUM)
+       if (txq_info->offloads & RTE_ETH_TX_OFFLOAD_OUTER_IPV4_CKSUM)
                flags |= EFX_TXQ_CKSUM_INNER_IPV4;
 
-       if ((txq->offloads & DEV_TX_OFFLOAD_TCP_CKSUM) ||
-           (txq->offloads & DEV_TX_OFFLOAD_UDP_CKSUM)) {
+       if ((txq_info->offloads & RTE_ETH_TX_OFFLOAD_TCP_CKSUM) ||
+           (txq_info->offloads & RTE_ETH_TX_OFFLOAD_UDP_CKSUM)) {
                flags |= EFX_TXQ_CKSUM_TCPUDP;
 
-               if (offloads_supported & DEV_TX_OFFLOAD_OUTER_IPV4_CKSUM)
+               if (offloads_supported & RTE_ETH_TX_OFFLOAD_OUTER_IPV4_CKSUM)
                        flags |= EFX_TXQ_CKSUM_INNER_TCPUDP;
        }
 
-       if (txq->offloads & DEV_TX_OFFLOAD_TCP_TSO)
+       if (txq_info->offloads & (RTE_ETH_TX_OFFLOAD_TCP_TSO |
+                                 RTE_ETH_TX_OFFLOAD_VXLAN_TNL_TSO |
+                                 RTE_ETH_TX_OFFLOAD_GENEVE_TNL_TSO))
                flags |= EFX_TXQ_FATSOV2;
 
-       rc = efx_tx_qcreate(sa->nic, sw_index, 0, &txq->mem,
+       rc = efx_tx_qcreate(sa->nic, txq->hw_index, 0, &txq->mem,
                            txq_info->entries, 0 /* not used on EF10 */,
                            flags, evq->common,
                            &txq->common, &desc_index);
@@ -462,22 +561,28 @@ sfc_tx_qstart(struct sfc_adapter *sa, unsigned int sw_index)
 
        efx_tx_qenable(txq->common);
 
-       txq->state |= SFC_TXQ_STARTED;
+       txq_info->state |= SFC_TXQ_STARTED;
 
-       rc = sa->dp_tx->qstart(txq->dp, evq->read_ptr, desc_index);
+       rc = sa->priv.dp_tx->qstart(txq_info->dp, evq->read_ptr, desc_index);
        if (rc != 0)
                goto fail_dp_qstart;
 
-       /*
-        * It seems to be used by DPDK for debug purposes only ('rte_ether')
-        */
-       dev_data = sa->eth_dev->data;
-       dev_data->tx_queue_state[sw_index] = RTE_ETH_QUEUE_STATE_STARTED;
+       if (ethdev_qid != SFC_ETHDEV_QID_INVALID) {
+               struct rte_eth_dev_data *dev_data;
+
+               /*
+                * It sems to be used by DPDK for debug purposes only
+                * ('rte_ether').
+                */
+               dev_data = sa->eth_dev->data;
+               dev_data->tx_queue_state[ethdev_qid] =
+                       RTE_ETH_QUEUE_STATE_STARTED;
+       }
 
        return 0;
 
 fail_dp_qstart:
-       txq->state = SFC_TXQ_INITIALIZED;
+       txq_info->state = SFC_TXQ_INITIALIZED;
        efx_tx_qdestroy(txq->common);
 
 fail_tx_qcreate:
@@ -488,40 +593,42 @@ fail_ev_qstart:
 }
 
 void
-sfc_tx_qstop(struct sfc_adapter *sa, unsigned int sw_index)
+sfc_tx_qstop(struct sfc_adapter *sa, sfc_sw_index_t sw_index)
 {
-       struct rte_eth_dev_data *dev_data;
+       struct sfc_adapter_shared * const sas = sfc_sa2shared(sa);
+       sfc_ethdev_qid_t ethdev_qid;
        struct sfc_txq_info *txq_info;
        struct sfc_txq *txq;
        unsigned int retry_count;
        unsigned int wait_count;
        int rc;
 
-       sfc_log_init(sa, "TxQ = %u", sw_index);
+       ethdev_qid = sfc_ethdev_tx_qid_by_txq_sw_index(sas, sw_index);
 
-       SFC_ASSERT(sw_index < sa->txq_count);
-       txq_info = &sa->txq_info[sw_index];
+       sfc_log_init(sa, "TxQ = %d (internal %u)", ethdev_qid, sw_index);
 
-       txq = txq_info->txq;
+       SFC_ASSERT(sw_index < sas->txq_count);
+       txq_info = &sas->txq_info[sw_index];
 
-       if (txq == NULL || txq->state == SFC_TXQ_INITIALIZED)
+       if (txq_info->state == SFC_TXQ_INITIALIZED)
                return;
 
-       SFC_ASSERT(txq->state & SFC_TXQ_STARTED);
+       SFC_ASSERT(txq_info->state & SFC_TXQ_STARTED);
 
-       sa->dp_tx->qstop(txq->dp, &txq->evq->read_ptr);
+       txq = &sa->txq_ctrl[sw_index];
+       sa->priv.dp_tx->qstop(txq_info->dp, &txq->evq->read_ptr);
 
        /*
         * Retry TX queue flushing in case of flush failed or
         * timeout; in the worst case it can delay for 6 seconds
         */
        for (retry_count = 0;
-            ((txq->state & SFC_TXQ_FLUSHED) == 0) &&
+            ((txq_info->state & SFC_TXQ_FLUSHED) == 0) &&
             (retry_count < SFC_TX_QFLUSH_ATTEMPTS);
             ++retry_count) {
                rc = efx_tx_qflush(txq->common);
                if (rc != 0) {
-                       txq->state |= (rc == EALREADY) ?
+                       txq_info->state |= (rc == EALREADY) ?
                                SFC_TXQ_FLUSHED : SFC_TXQ_FLUSH_FAILED;
                        break;
                }
@@ -536,54 +643,73 @@ sfc_tx_qstop(struct sfc_adapter *sa, unsigned int sw_index)
                do {
                        rte_delay_ms(SFC_TX_QFLUSH_POLL_WAIT_MS);
                        sfc_ev_qpoll(txq->evq);
-               } while ((txq->state & SFC_TXQ_FLUSHING) &&
+               } while ((txq_info->state & SFC_TXQ_FLUSHING) &&
                         wait_count++ < SFC_TX_QFLUSH_POLL_ATTEMPTS);
 
-               if (txq->state & SFC_TXQ_FLUSHING)
-                       sfc_err(sa, "TxQ %u flush timed out", sw_index);
+               if (txq_info->state & SFC_TXQ_FLUSHING)
+                       sfc_err(sa, "TxQ %d (internal %u) flush timed out",
+                               ethdev_qid, sw_index);
 
-               if (txq->state & SFC_TXQ_FLUSHED)
-                       sfc_notice(sa, "TxQ %u flushed", sw_index);
+               if (txq_info->state & SFC_TXQ_FLUSHED)
+                       sfc_notice(sa, "TxQ %d (internal %u) flushed",
+                                  ethdev_qid, sw_index);
        }
 
-       sa->dp_tx->qreap(txq->dp);
+       sa->priv.dp_tx->qreap(txq_info->dp);
 
-       txq->state = SFC_TXQ_INITIALIZED;
+       txq_info->state = SFC_TXQ_INITIALIZED;
 
        efx_tx_qdestroy(txq->common);
 
        sfc_ev_qstop(txq->evq);
 
-       /*
-        * It seems to be used by DPDK for debug purposes only ('rte_ether')
-        */
-       dev_data = sa->eth_dev->data;
-       dev_data->tx_queue_state[sw_index] = RTE_ETH_QUEUE_STATE_STOPPED;
+       if (ethdev_qid != SFC_ETHDEV_QID_INVALID) {
+               struct rte_eth_dev_data *dev_data;
+
+               /*
+                * It seems to be used by DPDK for debug purposes only
+                * ('rte_ether')
+                */
+               dev_data = sa->eth_dev->data;
+               dev_data->tx_queue_state[ethdev_qid] =
+                       RTE_ETH_QUEUE_STATE_STOPPED;
+       }
 }
 
 int
 sfc_tx_start(struct sfc_adapter *sa)
 {
-       unsigned int sw_index;
+       struct sfc_adapter_shared * const sas = sfc_sa2shared(sa);
+       const efx_nic_cfg_t *encp = efx_nic_cfg_get(sa->nic);
+       sfc_sw_index_t sw_index;
        int rc = 0;
 
-       sfc_log_init(sa, "txq_count = %u", sa->txq_count);
+       sfc_log_init(sa, "txq_count = %u (internal %u)",
+                    sas->ethdev_txq_count, sas->txq_count);
 
        if (sa->tso) {
-               if (!efx_nic_cfg_get(sa->nic)->enc_fw_assisted_tso_v2_enabled) {
+               if (!encp->enc_fw_assisted_tso_v2_enabled &&
+                   !encp->enc_tso_v3_enabled) {
                        sfc_warn(sa, "TSO support was unable to be restored");
                        sa->tso = B_FALSE;
+                       sa->tso_encap = B_FALSE;
                }
        }
 
+       if (sa->tso_encap && !encp->enc_fw_assisted_tso_v2_encap_enabled &&
+           !encp->enc_tso_v3_enabled) {
+               sfc_warn(sa, "Encapsulated TSO support was unable to be restored");
+               sa->tso_encap = B_FALSE;
+       }
+
        rc = efx_tx_init(sa->nic);
        if (rc != 0)
                goto fail_efx_tx_init;
 
-       for (sw_index = 0; sw_index < sa->txq_count; ++sw_index) {
-               if (sa->txq_info[sw_index].txq != NULL &&
-                   (!(sa->txq_info[sw_index].deferred_start) ||
-                    sa->txq_info[sw_index].deferred_started)) {
+       for (sw_index = 0; sw_index < sas->txq_count; ++sw_index) {
+               if (sas->txq_info[sw_index].state == SFC_TXQ_INITIALIZED &&
+                   (!(sas->txq_info[sw_index].deferred_start) ||
+                    sas->txq_info[sw_index].deferred_started)) {
                        rc = sfc_tx_qstart(sa, sw_index);
                        if (rc != 0)
                                goto fail_tx_qstart;
@@ -606,13 +732,15 @@ fail_efx_tx_init:
 void
 sfc_tx_stop(struct sfc_adapter *sa)
 {
-       unsigned int sw_index;
+       struct sfc_adapter_shared * const sas = sfc_sa2shared(sa);
+       sfc_sw_index_t sw_index;
 
-       sfc_log_init(sa, "txq_count = %u", sa->txq_count);
+       sfc_log_init(sa, "txq_count = %u (internal %u)",
+                    sas->ethdev_txq_count, sas->txq_count);
 
-       sw_index = sa->txq_count;
+       sw_index = sas->txq_count;
        while (sw_index-- > 0) {
-               if (sa->txq_info[sw_index].txq != NULL)
+               if (sas->txq_info[sw_index].state & SFC_TXQ_STARTED)
                        sfc_tx_qstop(sa, sw_index);
        }
 
@@ -672,6 +800,36 @@ sfc_efx_tx_maybe_insert_tag(struct sfc_efx_txq *txq, struct rte_mbuf *m,
        return 1;
 }
 
+static uint16_t
+sfc_efx_prepare_pkts(void *tx_queue, struct rte_mbuf **tx_pkts,
+                    uint16_t nb_pkts)
+{
+       struct sfc_dp_txq *dp_txq = tx_queue;
+       struct sfc_efx_txq *txq = sfc_efx_txq_by_dp_txq(dp_txq);
+       const efx_nic_cfg_t *encp = efx_nic_cfg_get(txq->evq->sa->nic);
+       uint16_t i;
+
+       for (i = 0; i < nb_pkts; i++) {
+               int ret;
+
+               /*
+                * EFX Tx datapath may require extra VLAN descriptor if VLAN
+                * insertion offload is requested regardless the offload
+                * requested/supported.
+                */
+               ret = sfc_dp_tx_prepare_pkt(tx_pkts[i], 0, SFC_TSOH_STD_LEN,
+                               encp->enc_tx_tso_tcp_header_offset_limit,
+                               txq->max_fill_level, EFX_TX_FATSOV2_OPT_NDESCS,
+                               1);
+               if (unlikely(ret != 0)) {
+                       rte_errno = ret;
+                       break;
+               }
+       }
+
+       return i;
+}
+
 static uint16_t
 sfc_efx_xmit_pkts(void *tx_queue, struct rte_mbuf **tx_pkts, uint16_t nb_pkts)
 {
@@ -710,6 +868,7 @@ sfc_efx_xmit_pkts(void *tx_queue, struct rte_mbuf **tx_pkts, uint16_t nb_pkts)
        for (pkts_sent = 0, pktp = &tx_pkts[0];
             (pkts_sent < nb_pkts) && (fill_level <= soft_max_fill);
             pkts_sent++, pktp++) {
+               uint16_t                hw_vlan_tci_prev = txq->hw_vlan_tci;
                struct rte_mbuf         *m_seg = *pktp;
                size_t                  pkt_len = m_seg->pkt_len;
                unsigned int            pkt_descs = 0;
@@ -717,9 +876,9 @@ sfc_efx_xmit_pkts(void *tx_queue, struct rte_mbuf **tx_pkts, uint16_t nb_pkts)
 
                /*
                 * Here VLAN TCI is expected to be zero in case if no
-                * DEV_TX_OFFLOAD_VLAN_INSERT capability is advertised;
+                * RTE_ETH_TX_OFFLOAD_VLAN_INSERT capability is advertised;
                 * if the calling app ignores the absence of
-                * DEV_TX_OFFLOAD_VLAN_INSERT and pushes VLAN TCI, then
+                * RTE_ETH_TX_OFFLOAD_VLAN_INSERT and pushes VLAN TCI, then
                 * TX_ERROR will occur
                 */
                pkt_descs += sfc_efx_tx_maybe_insert_tag(txq, m_seg, &pend);
@@ -731,13 +890,10 @@ sfc_efx_xmit_pkts(void *tx_queue, struct rte_mbuf **tx_pkts, uint16_t nb_pkts)
                         */
                        if (sfc_efx_tso_do(txq, added, &m_seg, &in_off, &pend,
                                           &pkt_descs, &pkt_len) != 0) {
-                               /* We may have reached this place for
-                                * one of the following reasons:
-                                *
-                                * 1) Packet header length is greater
-                                *    than SFC_TSOH_STD_LEN
-                                * 2) TCP header starts at more then
-                                *    208 bytes into the frame
+                               /* We may have reached this place if packet
+                                * header linearization is needed but the
+                                * header length is greater than
+                                * SFC_TSOH_STD_LEN
                                 *
                                 * We will deceive RTE saying that we have sent
                                 * the packet, but we will actually drop it.
@@ -748,6 +904,7 @@ sfc_efx_xmit_pkts(void *tx_queue, struct rte_mbuf **tx_pkts, uint16_t nb_pkts)
                                 * mbuf shouldn't be orphaned
                                 */
                                pend -= pkt_descs;
+                               txq->hw_vlan_tci = hw_vlan_tci_prev;
 
                                rte_pktmbuf_free(*pktp);
 
@@ -817,10 +974,12 @@ sfc_efx_xmit_pkts(void *tx_queue, struct rte_mbuf **tx_pkts, uint16_t nb_pkts)
                                fill_level = added - txq->completed;
                                if (fill_level > hard_max_fill) {
                                        pend -= pkt_descs;
+                                       txq->hw_vlan_tci = hw_vlan_tci_prev;
                                        break;
                                }
                        } else {
                                pend -= pkt_descs;
+                               txq->hw_vlan_tci = hw_vlan_tci_prev;
                                break;
                        }
                }
@@ -835,8 +994,10 @@ sfc_efx_xmit_pkts(void *tx_queue, struct rte_mbuf **tx_pkts, uint16_t nb_pkts)
                                       txq->completed, &txq->added);
                SFC_ASSERT(rc == 0);
 
-               if (likely(pushed != txq->added))
+               if (likely(pushed != txq->added)) {
                        efx_tx_qpush(txq->common, txq->added, pushed);
+                       txq->dp.dpq.tx_dbells++;
+               }
        }
 
 #if SFC_TX_XMIT_PKTS_REAP_AT_LEAST_ONCE
@@ -848,29 +1009,57 @@ done:
        return pkts_sent;
 }
 
+const struct sfc_dp_tx *
+sfc_dp_tx_by_dp_txq(const struct sfc_dp_txq *dp_txq)
+{
+       const struct sfc_dp_queue *dpq = &dp_txq->dpq;
+       struct rte_eth_dev *eth_dev;
+       struct sfc_adapter_priv *sap;
+
+       SFC_ASSERT(rte_eth_dev_is_valid_port(dpq->port_id));
+       eth_dev = &rte_eth_devices[dpq->port_id];
+
+       sap = sfc_adapter_priv_by_eth_dev(eth_dev);
+
+       return sap->dp_tx;
+}
+
+struct sfc_txq_info *
+sfc_txq_info_by_dp_txq(const struct sfc_dp_txq *dp_txq)
+{
+       const struct sfc_dp_queue *dpq = &dp_txq->dpq;
+       struct rte_eth_dev *eth_dev;
+       struct sfc_adapter_shared *sas;
+
+       SFC_ASSERT(rte_eth_dev_is_valid_port(dpq->port_id));
+       eth_dev = &rte_eth_devices[dpq->port_id];
+
+       sas = sfc_adapter_shared_by_eth_dev(eth_dev);
+
+       SFC_ASSERT(dpq->queue_id < sas->txq_count);
+       return &sas->txq_info[dpq->queue_id];
+}
+
 struct sfc_txq *
 sfc_txq_by_dp_txq(const struct sfc_dp_txq *dp_txq)
 {
        const struct sfc_dp_queue *dpq = &dp_txq->dpq;
        struct rte_eth_dev *eth_dev;
        struct sfc_adapter *sa;
-       struct sfc_txq *txq;
 
        SFC_ASSERT(rte_eth_dev_is_valid_port(dpq->port_id));
        eth_dev = &rte_eth_devices[dpq->port_id];
 
-       sa = eth_dev->data->dev_private;
-
-       SFC_ASSERT(dpq->queue_id < sa->txq_count);
-       txq = sa->txq_info[dpq->queue_id].txq;
+       sa = sfc_adapter_by_eth_dev(eth_dev);
 
-       SFC_ASSERT(txq != NULL);
-       return txq;
+       SFC_ASSERT(dpq->queue_id < sfc_sa2shared(sa)->txq_count);
+       return &sa->txq_ctrl[dpq->queue_id];
 }
 
 static sfc_dp_tx_qsize_up_rings_t sfc_efx_tx_qsize_up_rings;
 static int
 sfc_efx_tx_qsize_up_rings(uint16_t nb_tx_desc,
+                         __rte_unused struct sfc_dp_tx_hw_limits *limits,
                          unsigned int *txq_entries,
                          unsigned int *evq_entries,
                          unsigned int *txq_max_fill_level)
@@ -1050,13 +1239,16 @@ struct sfc_dp_tx sfc_efx_tx = {
        .dp = {
                .name           = SFC_KVARG_DATAPATH_EFX,
                .type           = SFC_DP_TX,
-               .hw_fw_caps     = 0,
+               .hw_fw_caps     = SFC_DP_HW_FW_CAP_TX_EFX,
        },
-       .features               = SFC_DP_TX_FEAT_VLAN_INSERT |
-                                 SFC_DP_TX_FEAT_TSO |
-                                 SFC_DP_TX_FEAT_MULTI_POOL |
-                                 SFC_DP_TX_FEAT_REFCNT |
-                                 SFC_DP_TX_FEAT_MULTI_SEG,
+       .features               = 0,
+       .dev_offload_capa       = RTE_ETH_TX_OFFLOAD_VLAN_INSERT |
+                                 RTE_ETH_TX_OFFLOAD_MULTI_SEGS,
+       .queue_offload_capa     = RTE_ETH_TX_OFFLOAD_IPV4_CKSUM |
+                                 RTE_ETH_TX_OFFLOAD_UDP_CKSUM |
+                                 RTE_ETH_TX_OFFLOAD_TCP_CKSUM |
+                                 RTE_ETH_TX_OFFLOAD_OUTER_IPV4_CKSUM |
+                                 RTE_ETH_TX_OFFLOAD_TCP_TSO,
        .qsize_up_rings         = sfc_efx_tx_qsize_up_rings,
        .qcreate                = sfc_efx_tx_qcreate,
        .qdestroy               = sfc_efx_tx_qdestroy,
@@ -1064,5 +1256,6 @@ struct sfc_dp_tx sfc_efx_tx = {
        .qstop                  = sfc_efx_tx_qstop,
        .qreap                  = sfc_efx_tx_qreap,
        .qdesc_status           = sfc_efx_tx_qdesc_status,
+       .pkt_prepare            = sfc_efx_prepare_pkts,
        .pkt_burst              = sfc_efx_xmit_pkts,
 };