net/mlx5: use indexed pool as id generator
[dpdk.git] / drivers / net / mlx5 / mlx5_flow_dv.c
index 2bac7da..bfcba45 100644 (file)
@@ -33,6 +33,7 @@
 #include "mlx5_flow.h"
 #include "mlx5_flow_os.h"
 #include "mlx5_rxtx.h"
+#include "rte_pmd_mlx5.h"
 
 #ifdef HAVE_IBV_FLOW_DV_SUPPORT
 
@@ -1676,6 +1677,7 @@ flow_dv_validate_item_vlan(const struct rte_flow_item *item,
        const struct rte_flow_item_vlan nic_mask = {
                .tci = RTE_BE16(UINT16_MAX),
                .inner_type = RTE_BE16(UINT16_MAX),
+               .has_more_vlan = 1,
        };
        const int tunnel = !!(item_flags & MLX5_FLOW_LAYER_TUNNEL);
        int ret;
@@ -2872,8 +2874,10 @@ flow_dv_encap_decap_resource_register
                        struct mlx5_flow_dv_encap_decap_resource, entry);
                DRV_LOG(DEBUG, "encap/decap resource %p: refcnt %d++",
                        (void *)cache_resource,
-                       rte_atomic32_read(&cache_resource->refcnt));
-               rte_atomic32_inc(&cache_resource->refcnt);
+                       __atomic_load_n(&cache_resource->refcnt,
+                                       __ATOMIC_RELAXED));
+               __atomic_fetch_add(&cache_resource->refcnt, 1,
+                                  __ATOMIC_RELAXED);
                dev_flow->handle->dvh.rix_encap_decap = cache_resource->idx;
                dev_flow->dv.encap_decap = cache_resource;
                return 0;
@@ -2896,8 +2900,7 @@ flow_dv_encap_decap_resource_register
                                          RTE_FLOW_ERROR_TYPE_UNSPECIFIED,
                                          NULL, "cannot create action");
        }
-       rte_atomic32_init(&cache_resource->refcnt);
-       rte_atomic32_inc(&cache_resource->refcnt);
+       __atomic_store_n(&cache_resource->refcnt, 1, __ATOMIC_RELAXED);
        if (mlx5_hlist_insert_ex(sh->encaps_decaps, &cache_resource->entry,
                                 flow_dv_encap_decap_resource_match,
                                 (void *)cache_resource)) {
@@ -2912,7 +2915,7 @@ flow_dv_encap_decap_resource_register
        dev_flow->dv.encap_decap = cache_resource;
        DRV_LOG(DEBUG, "new encap/decap resource %p: refcnt %d++",
                (void *)cache_resource,
-               rte_atomic32_read(&cache_resource->refcnt));
+               __atomic_load_n(&cache_resource->refcnt, __ATOMIC_RELAXED));
        return 0;
 }
 
@@ -2943,7 +2946,7 @@ flow_dv_jump_tbl_resource_register
        int cnt, ret;
 
        MLX5_ASSERT(tbl);
-       cnt = rte_atomic32_read(&tbl_data->jump.refcnt);
+       cnt = __atomic_load_n(&tbl_data->jump.refcnt, __ATOMIC_ACQUIRE);
        if (!cnt) {
                ret = mlx5_flow_os_create_flow_action_dest_flow_tbl
                                (tbl->obj, &tbl_data->jump.action);
@@ -2960,7 +2963,7 @@ flow_dv_jump_tbl_resource_register
                DRV_LOG(DEBUG, "existed jump table resource %p: refcnt %d++",
                        (void *)&tbl_data->jump, cnt);
        }
-       rte_atomic32_inc(&tbl_data->jump.refcnt);
+       __atomic_fetch_add(&tbl_data->jump.refcnt, 1, __ATOMIC_RELEASE);
        dev_flow->handle->rix_jump = tbl_data->idx;
        dev_flow->dv.jump = &tbl_data->jump;
        return 0;
@@ -2985,7 +2988,7 @@ flow_dv_default_miss_resource_register(struct rte_eth_dev *dev,
        struct mlx5_dev_ctx_shared *sh = priv->sh;
        struct mlx5_flow_default_miss_resource *cache_resource =
                        &sh->default_miss;
-       int cnt = rte_atomic32_read(&cache_resource->refcnt);
+       int cnt = __atomic_load_n(&cache_resource->refcnt, __ATOMIC_ACQUIRE);
 
        if (!cnt) {
                MLX5_ASSERT(cache_resource->action);
@@ -2998,7 +3001,7 @@ flow_dv_default_miss_resource_register(struct rte_eth_dev *dev,
                DRV_LOG(DEBUG, "new default miss resource %p: refcnt %d++",
                                (void *)cache_resource->action, cnt);
        }
-       rte_atomic32_inc(&cache_resource->refcnt);
+       __atomic_fetch_add(&cache_resource->refcnt, 1, __ATOMIC_RELEASE);
        return 0;
 }
 
@@ -3037,8 +3040,10 @@ flow_dv_port_id_action_resource_register
                        DRV_LOG(DEBUG, "port id action resource resource %p: "
                                "refcnt %d++",
                                (void *)cache_resource,
-                               rte_atomic32_read(&cache_resource->refcnt));
-                       rte_atomic32_inc(&cache_resource->refcnt);
+                               __atomic_load_n(&cache_resource->refcnt,
+                                               __ATOMIC_RELAXED));
+                       __atomic_fetch_add(&cache_resource->refcnt, 1,
+                                          __ATOMIC_RELAXED);
                        dev_flow->handle->rix_port_id_action = idx;
                        dev_flow->dv.port_id_action = cache_resource;
                        return 0;
@@ -3061,15 +3066,14 @@ flow_dv_port_id_action_resource_register
                                          RTE_FLOW_ERROR_TYPE_UNSPECIFIED,
                                          NULL, "cannot create action");
        }
-       rte_atomic32_init(&cache_resource->refcnt);
-       rte_atomic32_inc(&cache_resource->refcnt);
+       __atomic_store_n(&cache_resource->refcnt, 1, __ATOMIC_RELAXED);
        ILIST_INSERT(sh->ipool[MLX5_IPOOL_PORT_ID], &sh->port_id_action_list,
                     dev_flow->handle->rix_port_id_action, cache_resource,
                     next);
        dev_flow->dv.port_id_action = cache_resource;
        DRV_LOG(DEBUG, "new port id action resource %p: refcnt %d++",
                (void *)cache_resource,
-               rte_atomic32_read(&cache_resource->refcnt));
+               __atomic_load_n(&cache_resource->refcnt, __ATOMIC_RELAXED));
        return 0;
 }
 
@@ -3110,8 +3114,10 @@ flow_dv_push_vlan_action_resource_register
                        DRV_LOG(DEBUG, "push-VLAN action resource resource %p: "
                                "refcnt %d++",
                                (void *)cache_resource,
-                               rte_atomic32_read(&cache_resource->refcnt));
-                       rte_atomic32_inc(&cache_resource->refcnt);
+                               __atomic_load_n(&cache_resource->refcnt,
+                                               __ATOMIC_RELAXED));
+                       __atomic_fetch_add(&cache_resource->refcnt, 1,
+                                          __ATOMIC_RELAXED);
                        dev_flow->handle->dvh.rix_push_vlan = idx;
                        dev_flow->dv.push_vlan_res = cache_resource;
                        return 0;
@@ -3140,8 +3146,7 @@ flow_dv_push_vlan_action_resource_register
                                          RTE_FLOW_ERROR_TYPE_UNSPECIFIED,
                                          NULL, "cannot create action");
        }
-       rte_atomic32_init(&cache_resource->refcnt);
-       rte_atomic32_inc(&cache_resource->refcnt);
+       __atomic_store_n(&cache_resource->refcnt, 1, __ATOMIC_RELAXED);
        ILIST_INSERT(sh->ipool[MLX5_IPOOL_PUSH_VLAN],
                     &sh->push_vlan_action_list,
                     dev_flow->handle->dvh.rix_push_vlan,
@@ -3149,7 +3154,7 @@ flow_dv_push_vlan_action_resource_register
        dev_flow->dv.push_vlan_res = cache_resource;
        DRV_LOG(DEBUG, "new push vlan action resource %p: refcnt %d++",
                (void *)cache_resource,
-               rte_atomic32_read(&cache_resource->refcnt));
+               __atomic_load_n(&cache_resource->refcnt, __ATOMIC_RELAXED));
        return 0;
 }
 /**
@@ -3947,14 +3952,21 @@ flow_dv_validate_action_modify_ttl(const uint64_t action_flags,
  *   0 on success, a negative errno value otherwise and rte_errno is set.
  */
 static int
-flow_dv_validate_action_jump(const struct rte_flow_action *action,
+flow_dv_validate_action_jump(struct rte_eth_dev *dev,
+                            const struct mlx5_flow_tunnel *tunnel,
+                            const struct rte_flow_action *action,
                             uint64_t action_flags,
                             const struct rte_flow_attr *attributes,
                             bool external, struct rte_flow_error *error)
 {
        uint32_t target_group, table;
        int ret = 0;
-
+       struct flow_grp_info grp_info = {
+               .external = !!external,
+               .transfer = !!attributes->transfer,
+               .fdb_def_rule = 1,
+               .std_tbl_fix = 0
+       };
        if (action_flags & (MLX5_FLOW_FATE_ACTIONS |
                            MLX5_FLOW_FATE_ESWITCH_ACTIONS))
                return rte_flow_error_set(error, EINVAL,
@@ -3977,11 +3989,13 @@ flow_dv_validate_action_jump(const struct rte_flow_action *action,
                                          NULL, "action configuration not set");
        target_group =
                ((const struct rte_flow_action_jump *)action->conf)->group;
-       ret = mlx5_flow_group_to_table(attributes, external, target_group,
-                                      true, &table, error);
+       ret = mlx5_flow_group_to_table(dev, tunnel, target_group, &table,
+                                      grp_info, error);
        if (ret)
                return ret;
-       if (attributes->group == target_group)
+       if (attributes->group == target_group &&
+           !(action_flags & (MLX5_FLOW_ACTION_TUNNEL_SET |
+                             MLX5_FLOW_ACTION_TUNNEL_MATCH)))
                return rte_flow_error_set(error, EINVAL,
                                          RTE_FLOW_ERROR_TYPE_ACTION, NULL,
                                          "target group must be other than"
@@ -4540,8 +4554,10 @@ flow_dv_modify_hdr_resource_register
                                        entry);
                DRV_LOG(DEBUG, "modify-header resource %p: refcnt %d++",
                        (void *)cache_resource,
-                       rte_atomic32_read(&cache_resource->refcnt));
-               rte_atomic32_inc(&cache_resource->refcnt);
+                       __atomic_load_n(&cache_resource->refcnt,
+                                       __ATOMIC_RELAXED));
+               __atomic_fetch_add(&cache_resource->refcnt, 1,
+                                  __ATOMIC_RELAXED);
                dev_flow->handle->dvh.modify_hdr = cache_resource;
                return 0;
 
@@ -4565,8 +4581,7 @@ flow_dv_modify_hdr_resource_register
                                          RTE_FLOW_ERROR_TYPE_UNSPECIFIED,
                                          NULL, "cannot create action");
        }
-       rte_atomic32_init(&cache_resource->refcnt);
-       rte_atomic32_inc(&cache_resource->refcnt);
+       __atomic_store_n(&cache_resource->refcnt, 1, __ATOMIC_RELAXED);
        if (mlx5_hlist_insert_ex(sh->modify_cmds, &cache_resource->entry,
                                 flow_dv_modify_hdr_resource_match,
                                 (void *)cache_resource)) {
@@ -4580,7 +4595,7 @@ flow_dv_modify_hdr_resource_register
        dev_flow->handle->dvh.modify_hdr = cache_resource;
        DRV_LOG(DEBUG, "new modify-header resource %p: refcnt %d++",
                (void *)cache_resource,
-               rte_atomic32_read(&cache_resource->refcnt));
+               __atomic_load_n(&cache_resource->refcnt, __ATOMIC_RELAXED));
        return 0;
 }
 
@@ -5160,8 +5175,9 @@ flow_dv_counter_release(struct rte_eth_dev *dev, uint32_t counter)
  */
 static int
 flow_dv_validate_attributes(struct rte_eth_dev *dev,
+                           const struct mlx5_flow_tunnel *tunnel,
                            const struct rte_flow_attr *attributes,
-                           bool external __rte_unused,
+                           struct flow_grp_info grp_info,
                            struct rte_flow_error *error)
 {
        struct mlx5_priv *priv = dev->data->dev_private;
@@ -5169,6 +5185,8 @@ flow_dv_validate_attributes(struct rte_eth_dev *dev,
        int ret = 0;
 
 #ifndef HAVE_MLX5DV_DR
+       RTE_SET_USED(tunnel);
+       RTE_SET_USED(grp_info);
        if (attributes->group)
                return rte_flow_error_set(error, ENOTSUP,
                                          RTE_FLOW_ERROR_TYPE_ATTR_GROUP,
@@ -5177,9 +5195,8 @@ flow_dv_validate_attributes(struct rte_eth_dev *dev,
 #else
        uint32_t table = 0;
 
-       ret = mlx5_flow_group_to_table(attributes, external,
-                                      attributes->group, !!priv->fdb_def_rule,
-                                      &table, error);
+       ret = mlx5_flow_group_to_table(dev, tunnel, attributes->group, &table,
+                                      grp_info, error);
        if (ret)
                return ret;
        if (!table)
@@ -5293,10 +5310,29 @@ flow_dv_validate(struct rte_eth_dev *dev, const struct rte_flow_attr *attr,
        const struct rte_flow_item_vlan *vlan_m = NULL;
        int16_t rw_act_num = 0;
        uint64_t is_root;
+       const struct mlx5_flow_tunnel *tunnel;
+       struct flow_grp_info grp_info = {
+               .external = !!external,
+               .transfer = !!attr->transfer,
+               .fdb_def_rule = !!priv->fdb_def_rule,
+       };
+       const struct rte_eth_hairpin_conf *conf;
 
        if (items == NULL)
                return -1;
-       ret = flow_dv_validate_attributes(dev, attr, external, error);
+       if (is_flow_tunnel_match_rule(dev, attr, items, actions)) {
+               tunnel = flow_items_to_tunnel(items);
+               action_flags |= MLX5_FLOW_ACTION_TUNNEL_MATCH |
+                               MLX5_FLOW_ACTION_DECAP;
+       } else if (is_flow_tunnel_steer_rule(dev, attr, items, actions)) {
+               tunnel = flow_actions_to_tunnel(actions);
+               action_flags |= MLX5_FLOW_ACTION_TUNNEL_SET;
+       } else {
+               tunnel = NULL;
+       }
+       grp_info.std_tbl_fix = tunnel_use_standard_attr_group_translate
+                               (dev, tunnel, attr, items, actions);
+       ret = flow_dv_validate_attributes(dev, tunnel, attr, grp_info, error);
        if (ret < 0)
                return ret;
        is_root = (uint64_t)ret;
@@ -5309,6 +5345,15 @@ flow_dv_validate(struct rte_eth_dev *dev, const struct rte_flow_attr *attr,
                                                  RTE_FLOW_ERROR_TYPE_ITEM,
                                                  NULL, "item not supported");
                switch (type) {
+               case MLX5_RTE_FLOW_ITEM_TYPE_TUNNEL:
+                       if (items[0].type != (typeof(items[0].type))
+                                               MLX5_RTE_FLOW_ITEM_TYPE_TUNNEL)
+                               return rte_flow_error_set
+                                               (error, EINVAL,
+                                               RTE_FLOW_ERROR_TYPE_ITEM,
+                                               NULL, "MLX5 private items "
+                                               "must be the first");
+                       break;
                case RTE_FLOW_ITEM_TYPE_VOID:
                        break;
                case RTE_FLOW_ITEM_TYPE_PORT_ID:
@@ -5320,7 +5365,7 @@ flow_dv_validate(struct rte_eth_dev *dev, const struct rte_flow_attr *attr,
                        break;
                case RTE_FLOW_ITEM_TYPE_ETH:
                        ret = mlx5_flow_validate_item_eth(items, item_flags,
-                                                         error);
+                                                         true, error);
                        if (ret < 0)
                                return ret;
                        last_item = tunnel ? MLX5_FLOW_LAYER_INNER_L2 :
@@ -5894,7 +5939,7 @@ flow_dv_validate(struct rte_eth_dev *dev, const struct rte_flow_attr *attr,
                        rw_act_num += MLX5_ACT_NUM_MDF_TTL;
                        break;
                case RTE_FLOW_ACTION_TYPE_JUMP:
-                       ret = flow_dv_validate_action_jump(actions,
+                       ret = flow_dv_validate_action_jump(dev, tunnel, actions,
                                                           action_flags,
                                                           attr, external,
                                                           error);
@@ -6003,6 +6048,17 @@ flow_dv_validate(struct rte_eth_dev *dev, const struct rte_flow_attr *attr,
                        action_flags |= MLX5_FLOW_ACTION_SAMPLE;
                        ++actions_n;
                        break;
+               case MLX5_RTE_FLOW_ACTION_TYPE_TUNNEL_SET:
+                       if (actions[0].type != (typeof(actions[0].type))
+                               MLX5_RTE_FLOW_ACTION_TYPE_TUNNEL_SET)
+                               return rte_flow_error_set
+                                               (error, EINVAL,
+                                               RTE_FLOW_ERROR_TYPE_ACTION,
+                                               NULL, "MLX5 private action "
+                                               "must be the first");
+
+                       action_flags |= MLX5_FLOW_ACTION_TUNNEL_SET;
+                       break;
                default:
                        return rte_flow_error_set(error, ENOTSUP,
                                                  RTE_FLOW_ERROR_TYPE_ACTION,
@@ -6010,6 +6066,54 @@ flow_dv_validate(struct rte_eth_dev *dev, const struct rte_flow_attr *attr,
                                                  "action not supported");
                }
        }
+       /*
+        * Validate actions in flow rules
+        * - Explicit decap action is prohibited by the tunnel offload API.
+        * - Drop action in tunnel steer rule is prohibited by the API.
+        * - Application cannot use MARK action because it's value can mask
+        *   tunnel default miss nitification.
+        * - JUMP in tunnel match rule has no support in current PMD
+        *   implementation.
+        * - TAG & META are reserved for future uses.
+        */
+       if (action_flags & MLX5_FLOW_ACTION_TUNNEL_SET) {
+               uint64_t bad_actions_mask = MLX5_FLOW_ACTION_DECAP    |
+                                           MLX5_FLOW_ACTION_MARK     |
+                                           MLX5_FLOW_ACTION_SET_TAG  |
+                                           MLX5_FLOW_ACTION_SET_META |
+                                           MLX5_FLOW_ACTION_DROP;
+
+               if (action_flags & bad_actions_mask)
+                       return rte_flow_error_set
+                                       (error, EINVAL,
+                                       RTE_FLOW_ERROR_TYPE_ACTION, NULL,
+                                       "Invalid RTE action in tunnel "
+                                       "set decap rule");
+               if (!(action_flags & MLX5_FLOW_ACTION_JUMP))
+                       return rte_flow_error_set
+                                       (error, EINVAL,
+                                       RTE_FLOW_ERROR_TYPE_ACTION, NULL,
+                                       "tunnel set decap rule must terminate "
+                                       "with JUMP");
+               if (!attr->ingress)
+                       return rte_flow_error_set
+                                       (error, EINVAL,
+                                       RTE_FLOW_ERROR_TYPE_ACTION, NULL,
+                                       "tunnel flows for ingress traffic only");
+       }
+       if (action_flags & MLX5_FLOW_ACTION_TUNNEL_MATCH) {
+               uint64_t bad_actions_mask = MLX5_FLOW_ACTION_JUMP    |
+                                           MLX5_FLOW_ACTION_MARK    |
+                                           MLX5_FLOW_ACTION_SET_TAG |
+                                           MLX5_FLOW_ACTION_SET_META;
+
+               if (action_flags & bad_actions_mask)
+                       return rte_flow_error_set
+                                       (error, EINVAL,
+                                       RTE_FLOW_ERROR_TYPE_ACTION, NULL,
+                                       "Invalid RTE action in tunnel "
+                                       "set match rule");
+       }
        /*
         * Validate the drop action mutual exclusion with other actions.
         * Drop action is mutually-exclusive with any other action, except for
@@ -6058,11 +6162,18 @@ flow_dv_validate(struct rte_eth_dev *dev, const struct rte_flow_attr *attr,
                                                  actions,
                                                  "no fate action is found");
        }
-       /* Continue validation for Xcap and VLAN actions.*/
+       /*
+        * Continue validation for Xcap and VLAN actions.
+        * If hairpin is working in explicit TX rule mode, there is no actions
+        * splitting and the validation of hairpin ingress flow should be the
+        * same as other standard flows.
+        */
        if ((action_flags & (MLX5_FLOW_XCAP_ACTIONS |
                             MLX5_FLOW_VLAN_ACTIONS)) &&
            (queue_index == 0xFFFF ||
-            mlx5_rxq_get_type(dev, queue_index) != MLX5_RXQ_TYPE_HAIRPIN)) {
+            mlx5_rxq_get_type(dev, queue_index) != MLX5_RXQ_TYPE_HAIRPIN ||
+            ((conf = mlx5_rxq_get_hairpin_conf(dev, queue_index)) != NULL &&
+            conf->tx_explicit != 0))) {
                if ((action_flags & MLX5_FLOW_XCAP_ACTIONS) ==
                    MLX5_FLOW_XCAP_ACTIONS)
                        return rte_flow_error_set(error, ENOTSUP,
@@ -6091,7 +6202,10 @@ flow_dv_validate(struct rte_eth_dev *dev, const struct rte_flow_attr *attr,
                                                 "multiple VLAN actions");
                }
        }
-       /* Hairpin flow will add one more TAG action. */
+       /*
+        * Hairpin flow will add one more TAG action in TX implicit mode.
+        * In TX explicit mode, there will be no hairpin flow ID.
+        */
        if (hairpin > 0)
                rw_act_num += MLX5_ACT_NUM_SET_TAG;
        /* extra metadata enabled: one more TAG action will be add. */
@@ -6139,9 +6253,11 @@ flow_dv_prepare(struct rte_eth_dev *dev,
        struct mlx5_flow *dev_flow;
        struct mlx5_flow_handle *dev_handle;
        struct mlx5_priv *priv = dev->data->dev_private;
+       struct mlx5_flow_workspace *wks = mlx5_flow_get_thread_workspace();
 
+       MLX5_ASSERT(wks);
        /* In case of corrupting the memory. */
-       if (priv->flow_idx >= MLX5_NUM_MAX_DEV_FLOWS) {
+       if (wks->flow_idx >= MLX5_NUM_MAX_DEV_FLOWS) {
                rte_flow_error_set(error, ENOSPC,
                                   RTE_FLOW_ERROR_TYPE_UNSPECIFIED, NULL,
                                   "not free temporary device flow");
@@ -6155,8 +6271,8 @@ flow_dv_prepare(struct rte_eth_dev *dev,
                                   "not enough memory to create flow handle");
                return NULL;
        }
-       /* No multi-thread supporting. */
-       dev_flow = &((struct mlx5_flow *)priv->inter_flows)[priv->flow_idx++];
+       MLX5_ASSERT(wks->flow_idx + 1 < RTE_DIM(wks->flows));
+       dev_flow = &wks->flows[wks->flow_idx++];
        dev_flow->handle = dev_handle;
        dev_flow->handle_idx = handle_idx;
        /*
@@ -6263,9 +6379,10 @@ flow_dv_translate_item_eth(void *matcher, void *key,
                .dst.addr_bytes = "\xff\xff\xff\xff\xff\xff",
                .src.addr_bytes = "\xff\xff\xff\xff\xff\xff",
                .type = RTE_BE16(0xffff),
+               .has_vlan = 0,
        };
-       void *headers_m;
-       void *headers_v;
+       void *hdrs_m;
+       void *hdrs_v;
        char *l24_v;
        unsigned int i;
 
@@ -6274,38 +6391,26 @@ flow_dv_translate_item_eth(void *matcher, void *key,
        if (!eth_m)
                eth_m = &nic_mask;
        if (inner) {
-               headers_m = MLX5_ADDR_OF(fte_match_param, matcher,
+               hdrs_m = MLX5_ADDR_OF(fte_match_param, matcher,
                                         inner_headers);
-               headers_v = MLX5_ADDR_OF(fte_match_param, key, inner_headers);
+               hdrs_v = MLX5_ADDR_OF(fte_match_param, key, inner_headers);
        } else {
-               headers_m = MLX5_ADDR_OF(fte_match_param, matcher,
+               hdrs_m = MLX5_ADDR_OF(fte_match_param, matcher,
                                         outer_headers);
-               headers_v = MLX5_ADDR_OF(fte_match_param, key, outer_headers);
+               hdrs_v = MLX5_ADDR_OF(fte_match_param, key, outer_headers);
        }
-       memcpy(MLX5_ADDR_OF(fte_match_set_lyr_2_4, headers_m, dmac_47_16),
+       memcpy(MLX5_ADDR_OF(fte_match_set_lyr_2_4, hdrs_m, dmac_47_16),
               &eth_m->dst, sizeof(eth_m->dst));
        /* The value must be in the range of the mask. */
-       l24_v = MLX5_ADDR_OF(fte_match_set_lyr_2_4, headers_v, dmac_47_16);
+       l24_v = MLX5_ADDR_OF(fte_match_set_lyr_2_4, hdrs_v, dmac_47_16);
        for (i = 0; i < sizeof(eth_m->dst); ++i)
                l24_v[i] = eth_m->dst.addr_bytes[i] & eth_v->dst.addr_bytes[i];
-       memcpy(MLX5_ADDR_OF(fte_match_set_lyr_2_4, headers_m, smac_47_16),
+       memcpy(MLX5_ADDR_OF(fte_match_set_lyr_2_4, hdrs_m, smac_47_16),
               &eth_m->src, sizeof(eth_m->src));
-       l24_v = MLX5_ADDR_OF(fte_match_set_lyr_2_4, headers_v, smac_47_16);
+       l24_v = MLX5_ADDR_OF(fte_match_set_lyr_2_4, hdrs_v, smac_47_16);
        /* The value must be in the range of the mask. */
        for (i = 0; i < sizeof(eth_m->dst); ++i)
                l24_v[i] = eth_m->src.addr_bytes[i] & eth_v->src.addr_bytes[i];
-       if (eth_v->type) {
-               /* When ethertype is present set mask for tagged VLAN. */
-               MLX5_SET(fte_match_set_lyr_2_4, headers_m, cvlan_tag, 1);
-               /* Set value for tagged VLAN if ethertype is 802.1Q. */
-               if (eth_v->type == RTE_BE16(RTE_ETHER_TYPE_VLAN) ||
-                   eth_v->type == RTE_BE16(RTE_ETHER_TYPE_QINQ)) {
-                       MLX5_SET(fte_match_set_lyr_2_4, headers_v, cvlan_tag,
-                                1);
-                       /* Return here to avoid setting match on ethertype. */
-                       return;
-               }
-       }
        /*
         * HW supports match on one Ethertype, the Ethertype following the last
         * VLAN tag of the packet (see PRM).
@@ -6314,19 +6419,42 @@ flow_dv_translate_item_eth(void *matcher, void *key,
         * ethertype, and use ip_version field instead.
         * eCPRI over Ether layer will use type value 0xAEFE.
         */
-       if (eth_v->type == RTE_BE16(RTE_ETHER_TYPE_IPV4) &&
-           eth_m->type == 0xFFFF) {
-               flow_dv_set_match_ip_version(group, headers_v, headers_m, 4);
-       } else if (eth_v->type == RTE_BE16(RTE_ETHER_TYPE_IPV6) &&
-                  eth_m->type == 0xFFFF) {
-               flow_dv_set_match_ip_version(group, headers_v, headers_m, 6);
-       } else {
-               MLX5_SET(fte_match_set_lyr_2_4, headers_m, ethertype,
-                        rte_be_to_cpu_16(eth_m->type));
-               l24_v = MLX5_ADDR_OF(fte_match_set_lyr_2_4, headers_v,
-                                    ethertype);
-               *(uint16_t *)(l24_v) = eth_m->type & eth_v->type;
+       if (eth_m->type == 0xFFFF) {
+               /* Set cvlan_tag mask for any single\multi\un-tagged case. */
+               MLX5_SET(fte_match_set_lyr_2_4, hdrs_m, cvlan_tag, 1);
+               switch (eth_v->type) {
+               case RTE_BE16(RTE_ETHER_TYPE_VLAN):
+                       MLX5_SET(fte_match_set_lyr_2_4, hdrs_v, cvlan_tag, 1);
+                       return;
+               case RTE_BE16(RTE_ETHER_TYPE_QINQ):
+                       MLX5_SET(fte_match_set_lyr_2_4, hdrs_m, svlan_tag, 1);
+                       MLX5_SET(fte_match_set_lyr_2_4, hdrs_v, svlan_tag, 1);
+                       return;
+               case RTE_BE16(RTE_ETHER_TYPE_IPV4):
+                       flow_dv_set_match_ip_version(group, hdrs_v, hdrs_m, 4);
+                       return;
+               case RTE_BE16(RTE_ETHER_TYPE_IPV6):
+                       flow_dv_set_match_ip_version(group, hdrs_v, hdrs_m, 6);
+                       return;
+               default:
+                       break;
+               }
        }
+       if (eth_m->has_vlan) {
+               MLX5_SET(fte_match_set_lyr_2_4, hdrs_m, cvlan_tag, 1);
+               if (eth_v->has_vlan) {
+                       /*
+                        * Here, when also has_more_vlan field in VLAN item is
+                        * not set, only single-tagged packets will be matched.
+                        */
+                       MLX5_SET(fte_match_set_lyr_2_4, hdrs_v, cvlan_tag, 1);
+                       return;
+               }
+       }
+       MLX5_SET(fte_match_set_lyr_2_4, hdrs_m, ethertype,
+                rte_be_to_cpu_16(eth_m->type));
+       l24_v = MLX5_ADDR_OF(fte_match_set_lyr_2_4, hdrs_v, ethertype);
+       *(uint16_t *)(l24_v) = eth_m->type & eth_v->type;
 }
 
 /**
@@ -6351,19 +6479,19 @@ flow_dv_translate_item_vlan(struct mlx5_flow *dev_flow,
 {
        const struct rte_flow_item_vlan *vlan_m = item->mask;
        const struct rte_flow_item_vlan *vlan_v = item->spec;
-       void *headers_m;
-       void *headers_v;
+       void *hdrs_m;
+       void *hdrs_v;
        uint16_t tci_m;
        uint16_t tci_v;
 
        if (inner) {
-               headers_m = MLX5_ADDR_OF(fte_match_param, matcher,
+               hdrs_m = MLX5_ADDR_OF(fte_match_param, matcher,
                                         inner_headers);
-               headers_v = MLX5_ADDR_OF(fte_match_param, key, inner_headers);
+               hdrs_v = MLX5_ADDR_OF(fte_match_param, key, inner_headers);
        } else {
-               headers_m = MLX5_ADDR_OF(fte_match_param, matcher,
+               hdrs_m = MLX5_ADDR_OF(fte_match_param, matcher,
                                         outer_headers);
-               headers_v = MLX5_ADDR_OF(fte_match_param, key, outer_headers);
+               hdrs_v = MLX5_ADDR_OF(fte_match_param, key, outer_headers);
                /*
                 * This is workaround, masks are not supported,
                 * and pre-validated.
@@ -6376,37 +6504,54 @@ flow_dv_translate_item_vlan(struct mlx5_flow *dev_flow,
         * When VLAN item exists in flow, mark packet as tagged,
         * even if TCI is not specified.
         */
-       MLX5_SET(fte_match_set_lyr_2_4, headers_m, cvlan_tag, 1);
-       MLX5_SET(fte_match_set_lyr_2_4, headers_v, cvlan_tag, 1);
+       if (!MLX5_GET(fte_match_set_lyr_2_4, hdrs_v, svlan_tag)) {
+               MLX5_SET(fte_match_set_lyr_2_4, hdrs_m, cvlan_tag, 1);
+               MLX5_SET(fte_match_set_lyr_2_4, hdrs_v, cvlan_tag, 1);
+       }
        if (!vlan_v)
                return;
        if (!vlan_m)
                vlan_m = &rte_flow_item_vlan_mask;
        tci_m = rte_be_to_cpu_16(vlan_m->tci);
        tci_v = rte_be_to_cpu_16(vlan_m->tci & vlan_v->tci);
-       MLX5_SET(fte_match_set_lyr_2_4, headers_m, first_vid, tci_m);
-       MLX5_SET(fte_match_set_lyr_2_4, headers_v, first_vid, tci_v);
-       MLX5_SET(fte_match_set_lyr_2_4, headers_m, first_cfi, tci_m >> 12);
-       MLX5_SET(fte_match_set_lyr_2_4, headers_v, first_cfi, tci_v >> 12);
-       MLX5_SET(fte_match_set_lyr_2_4, headers_m, first_prio, tci_m >> 13);
-       MLX5_SET(fte_match_set_lyr_2_4, headers_v, first_prio, tci_v >> 13);
+       MLX5_SET(fte_match_set_lyr_2_4, hdrs_m, first_vid, tci_m);
+       MLX5_SET(fte_match_set_lyr_2_4, hdrs_v, first_vid, tci_v);
+       MLX5_SET(fte_match_set_lyr_2_4, hdrs_m, first_cfi, tci_m >> 12);
+       MLX5_SET(fte_match_set_lyr_2_4, hdrs_v, first_cfi, tci_v >> 12);
+       MLX5_SET(fte_match_set_lyr_2_4, hdrs_m, first_prio, tci_m >> 13);
+       MLX5_SET(fte_match_set_lyr_2_4, hdrs_v, first_prio, tci_v >> 13);
        /*
         * HW is optimized for IPv4/IPv6. In such cases, avoid setting
         * ethertype, and use ip_version field instead.
         */
-       if (vlan_v->inner_type == RTE_BE16(RTE_ETHER_TYPE_IPV4) &&
-           vlan_m->inner_type == 0xFFFF) {
-               flow_dv_set_match_ip_version(group, headers_v, headers_m, 4);
-       } else if (vlan_v->inner_type == RTE_BE16(RTE_ETHER_TYPE_IPV6) &&
-                  vlan_m->inner_type == 0xFFFF) {
-               flow_dv_set_match_ip_version(group, headers_v, headers_m, 6);
-       } else {
-               MLX5_SET(fte_match_set_lyr_2_4, headers_m, ethertype,
-                        rte_be_to_cpu_16(vlan_m->inner_type));
-               MLX5_SET(fte_match_set_lyr_2_4, headers_v, ethertype,
-                        rte_be_to_cpu_16(vlan_m->inner_type &
-                                         vlan_v->inner_type));
+       if (vlan_m->inner_type == 0xFFFF) {
+               switch (vlan_v->inner_type) {
+               case RTE_BE16(RTE_ETHER_TYPE_VLAN):
+                       MLX5_SET(fte_match_set_lyr_2_4, hdrs_m, svlan_tag, 1);
+                       MLX5_SET(fte_match_set_lyr_2_4, hdrs_v, svlan_tag, 1);
+                       MLX5_SET(fte_match_set_lyr_2_4, hdrs_v, cvlan_tag, 0);
+                       return;
+               case RTE_BE16(RTE_ETHER_TYPE_IPV4):
+                       flow_dv_set_match_ip_version(group, hdrs_v, hdrs_m, 4);
+                       return;
+               case RTE_BE16(RTE_ETHER_TYPE_IPV6):
+                       flow_dv_set_match_ip_version(group, hdrs_v, hdrs_m, 6);
+                       return;
+               default:
+                       break;
+               }
+       }
+       if (vlan_m->has_more_vlan && vlan_v->has_more_vlan) {
+               MLX5_SET(fte_match_set_lyr_2_4, hdrs_m, svlan_tag, 1);
+               MLX5_SET(fte_match_set_lyr_2_4, hdrs_v, svlan_tag, 1);
+               /* Only one vlan_tag bit can be set. */
+               MLX5_SET(fte_match_set_lyr_2_4, hdrs_v, cvlan_tag, 0);
+               return;
        }
+       MLX5_SET(fte_match_set_lyr_2_4, hdrs_m, ethertype,
+                rte_be_to_cpu_16(vlan_m->inner_type));
+       MLX5_SET(fte_match_set_lyr_2_4, hdrs_v, ethertype,
+                rte_be_to_cpu_16(vlan_m->inner_type & vlan_v->inner_type));
 }
 
 /**
@@ -6418,8 +6563,6 @@ flow_dv_translate_item_vlan(struct mlx5_flow *dev_flow,
  *   Flow matcher value.
  * @param[in] item
  *   Flow pattern to translate.
- * @param[in] item_flags
- *   Bit-fields that holds the items detected until now.
  * @param[in] inner
  *   Item is inner pattern.
  * @param[in] group
@@ -6428,7 +6571,6 @@ flow_dv_translate_item_vlan(struct mlx5_flow *dev_flow,
 static void
 flow_dv_translate_item_ipv4(void *matcher, void *key,
                            const struct rte_flow_item *item,
-                           const uint64_t item_flags,
                            int inner, uint32_t group)
 {
        const struct rte_flow_item_ipv4 *ipv4_m = item->mask;
@@ -6458,13 +6600,6 @@ flow_dv_translate_item_ipv4(void *matcher, void *key,
                headers_v = MLX5_ADDR_OF(fte_match_param, key, outer_headers);
        }
        flow_dv_set_match_ip_version(group, headers_v, headers_m, 4);
-       /*
-        * On outer header (which must contains L2), or inner header with L2,
-        * set cvlan_tag mask bit to mark this packet as untagged.
-        * This should be done even if item->spec is empty.
-        */
-       if (!inner || item_flags & MLX5_FLOW_LAYER_INNER_L2)
-               MLX5_SET(fte_match_set_lyr_2_4, headers_m, cvlan_tag, 1);
        if (!ipv4_v)
                return;
        if (!ipv4_m)
@@ -6511,8 +6646,6 @@ flow_dv_translate_item_ipv4(void *matcher, void *key,
  *   Flow matcher value.
  * @param[in] item
  *   Flow pattern to translate.
- * @param[in] item_flags
- *   Bit-fields that holds the items detected until now.
  * @param[in] inner
  *   Item is inner pattern.
  * @param[in] group
@@ -6521,7 +6654,6 @@ flow_dv_translate_item_ipv4(void *matcher, void *key,
 static void
 flow_dv_translate_item_ipv6(void *matcher, void *key,
                            const struct rte_flow_item *item,
-                           const uint64_t item_flags,
                            int inner, uint32_t group)
 {
        const struct rte_flow_item_ipv6 *ipv6_m = item->mask;
@@ -6560,13 +6692,6 @@ flow_dv_translate_item_ipv6(void *matcher, void *key,
                headers_v = MLX5_ADDR_OF(fte_match_param, key, outer_headers);
        }
        flow_dv_set_match_ip_version(group, headers_v, headers_m, 6);
-       /*
-        * On outer header (which must contains L2), or inner header with L2,
-        * set cvlan_tag mask bit to mark this packet as untagged.
-        * This should be done even if item->spec is empty.
-        */
-       if (!inner || item_flags & MLX5_FLOW_LAYER_INNER_L2)
-               MLX5_SET(fte_match_set_lyr_2_4, headers_m, cvlan_tag, 1);
        if (!ipv6_v)
                return;
        if (!ipv6_m)
@@ -7876,6 +8001,9 @@ static struct mlx5_flow_tbl_resource *
 flow_dv_tbl_resource_get(struct rte_eth_dev *dev,
                         uint32_t table_id, uint8_t egress,
                         uint8_t transfer,
+                        bool external,
+                        const struct mlx5_flow_tunnel *tunnel,
+                        uint32_t group_id,
                         struct rte_flow_error *error)
 {
        struct mlx5_priv *priv = dev->data->dev_private;
@@ -7900,7 +8028,7 @@ flow_dv_tbl_resource_get(struct rte_eth_dev *dev,
                tbl_data = container_of(pos, struct mlx5_flow_tbl_data_entry,
                                        entry);
                tbl = &tbl_data->tbl;
-               rte_atomic32_inc(&tbl->refcnt);
+               __atomic_fetch_add(&tbl->refcnt, 1, __ATOMIC_RELAXED);
                return tbl;
        }
        tbl_data = mlx5_ipool_zmalloc(sh->ipool[MLX5_IPOOL_JUMP], &idx);
@@ -7912,6 +8040,9 @@ flow_dv_tbl_resource_get(struct rte_eth_dev *dev,
                return NULL;
        }
        tbl_data->idx = idx;
+       tbl_data->tunnel = tunnel;
+       tbl_data->group_id = group_id;
+       tbl_data->external = external;
        tbl = &tbl_data->tbl;
        pos = &tbl_data->entry;
        if (transfer)
@@ -7932,9 +8063,9 @@ flow_dv_tbl_resource_get(struct rte_eth_dev *dev,
         * No multi-threads now, but still better to initialize the reference
         * count before insert it into the hash list.
         */
-       rte_atomic32_init(&tbl->refcnt);
+       __atomic_store_n(&tbl->refcnt, 0, __ATOMIC_RELAXED);
        /* Jump action reference count is initialized here. */
-       rte_atomic32_init(&tbl_data->jump.refcnt);
+       __atomic_store_n(&tbl_data->jump.refcnt, 0, __ATOMIC_RELAXED);
        pos->key = table_key.v64;
        ret = mlx5_hlist_insert(sh->flow_tbls, pos);
        if (ret < 0) {
@@ -7944,7 +8075,7 @@ flow_dv_tbl_resource_get(struct rte_eth_dev *dev,
                mlx5_flow_os_destroy_flow_tbl(tbl->obj);
                mlx5_ipool_free(sh->ipool[MLX5_IPOOL_JUMP], idx);
        }
-       rte_atomic32_inc(&tbl->refcnt);
+       __atomic_fetch_add(&tbl->refcnt, 1, __ATOMIC_RELAXED);
        return tbl;
 }
 
@@ -7970,11 +8101,46 @@ flow_dv_tbl_resource_release(struct rte_eth_dev *dev,
 
        if (!tbl)
                return 0;
-       if (rte_atomic32_dec_and_test(&tbl->refcnt)) {
+       if (__atomic_sub_fetch(&tbl->refcnt, 1, __ATOMIC_RELAXED) == 0) {
                struct mlx5_hlist_entry *pos = &tbl_data->entry;
 
                mlx5_flow_os_destroy_flow_tbl(tbl->obj);
                tbl->obj = NULL;
+               if (is_tunnel_offload_active(dev) && tbl_data->external) {
+                       struct mlx5_hlist_entry *he;
+                       struct mlx5_hlist *tunnel_grp_hash;
+                       struct mlx5_flow_tunnel_hub *thub =
+                                                       mlx5_tunnel_hub(dev);
+                       union tunnel_tbl_key tunnel_key = {
+                               .tunnel_id = tbl_data->tunnel ?
+                                               tbl_data->tunnel->tunnel_id : 0,
+                               .group = tbl_data->group_id
+                       };
+                       union mlx5_flow_tbl_key table_key = {
+                               .v64 = pos->key
+                       };
+                       uint32_t table_id = table_key.table_id;
+
+                       tunnel_grp_hash = tbl_data->tunnel ?
+                                               tbl_data->tunnel->groups :
+                                               thub->groups;
+                       he = mlx5_hlist_lookup(tunnel_grp_hash, tunnel_key.val);
+                       if (he) {
+                               struct tunnel_tbl_entry *tte;
+                               tte = container_of(he, typeof(*tte), hash);
+                               MLX5_ASSERT(tte->flow_table == table_id);
+                               mlx5_hlist_remove(tunnel_grp_hash, he);
+                               mlx5_free(tte);
+                       }
+                       mlx5_ipool_free(priv->sh->ipool[MLX5_IPOOL_TNL_TBL_ID],
+                                       tunnel_flow_tbl_to_id(table_id));
+                       DRV_LOG(DEBUG,
+                               "port %u release table_id %#x tunnel %u group %u",
+                               dev->data->port_id, table_id,
+                               tbl_data->tunnel ?
+                               tbl_data->tunnel->tunnel_id : 0,
+                               tbl_data->group_id);
+               }
                /* remove the entry from the hash list and free memory. */
                mlx5_hlist_remove(sh->flow_tbls, pos);
                mlx5_ipool_free(priv->sh->ipool[MLX5_IPOOL_JUMP],
@@ -8020,7 +8186,7 @@ flow_dv_matcher_register(struct rte_eth_dev *dev,
        int ret;
 
        tbl = flow_dv_tbl_resource_get(dev, key->table_id, key->direction,
-                                      key->domain, error);
+                                      key->domain, false, NULL, 0, error);
        if (!tbl)
                return -rte_errno;      /* No need to refill the error info */
        tbl_data = container_of(tbl, struct mlx5_flow_tbl_data_entry, tbl);
@@ -8038,8 +8204,10 @@ flow_dv_matcher_register(struct rte_eth_dev *dev,
                                cache_matcher->priority,
                                key->direction ? "tx" : "rx",
                                (void *)cache_matcher,
-                               rte_atomic32_read(&cache_matcher->refcnt));
-                       rte_atomic32_inc(&cache_matcher->refcnt);
+                               __atomic_load_n(&cache_matcher->refcnt,
+                                               __ATOMIC_RELAXED));
+                       __atomic_fetch_add(&cache_matcher->refcnt, 1,
+                                          __ATOMIC_RELAXED);
                        dev_flow->handle->dvh.matcher = cache_matcher;
                        /* old matcher should not make the table ref++. */
                        flow_dv_tbl_resource_release(dev, tbl);
@@ -8074,16 +8242,15 @@ flow_dv_matcher_register(struct rte_eth_dev *dev,
        }
        /* Save the table information */
        cache_matcher->tbl = tbl;
-       rte_atomic32_init(&cache_matcher->refcnt);
        /* only matcher ref++, table ref++ already done above in get API. */
-       rte_atomic32_inc(&cache_matcher->refcnt);
+       __atomic_store_n(&cache_matcher->refcnt, 1, __ATOMIC_RELAXED);
        LIST_INSERT_HEAD(&tbl_data->matchers, cache_matcher, next);
        dev_flow->handle->dvh.matcher = cache_matcher;
        DRV_LOG(DEBUG, "%s group %u priority %hd new %s matcher %p: refcnt %d",
                key->domain ? "FDB" : "NIC", key->table_id,
                cache_matcher->priority,
                key->direction ? "tx" : "rx", (void *)cache_matcher,
-               rte_atomic32_read(&cache_matcher->refcnt));
+               __atomic_load_n(&cache_matcher->refcnt, __ATOMIC_RELAXED));
        return 0;
 }
 
@@ -8120,12 +8287,14 @@ flow_dv_tag_resource_register
        if (entry) {
                cache_resource = container_of
                        (entry, struct mlx5_flow_dv_tag_resource, entry);
-               rte_atomic32_inc(&cache_resource->refcnt);
+               __atomic_fetch_add(&cache_resource->refcnt, 1,
+                                  __ATOMIC_RELAXED);
                dev_flow->handle->dvh.rix_tag = cache_resource->idx;
                dev_flow->dv.tag_resource = cache_resource;
                DRV_LOG(DEBUG, "cached tag resource %p: refcnt now %d++",
                        (void *)cache_resource,
-                       rte_atomic32_read(&cache_resource->refcnt));
+                       __atomic_load_n(&cache_resource->refcnt,
+                                       __ATOMIC_RELAXED));
                return 0;
        }
        /* Register new resource. */
@@ -8144,8 +8313,7 @@ flow_dv_tag_resource_register
                                          RTE_FLOW_ERROR_TYPE_UNSPECIFIED,
                                          NULL, "cannot create action");
        }
-       rte_atomic32_init(&cache_resource->refcnt);
-       rte_atomic32_inc(&cache_resource->refcnt);
+       __atomic_store_n(&cache_resource->refcnt, 1, __ATOMIC_RELAXED);
        if (mlx5_hlist_insert(sh->tag_table, &cache_resource->entry)) {
                mlx5_flow_os_destroy_flow_action(cache_resource->action);
                mlx5_free(cache_resource);
@@ -8156,7 +8324,7 @@ flow_dv_tag_resource_register
        dev_flow->dv.tag_resource = cache_resource;
        DRV_LOG(DEBUG, "new tag resource %p: refcnt now %d++",
                (void *)cache_resource,
-               rte_atomic32_read(&cache_resource->refcnt));
+               __atomic_load_n(&cache_resource->refcnt, __ATOMIC_RELAXED));
        return 0;
 }
 
@@ -8184,8 +8352,8 @@ flow_dv_tag_release(struct rte_eth_dev *dev,
                return 0;
        DRV_LOG(DEBUG, "port %u tag %p: refcnt %d--",
                dev->data->port_id, (void *)tag,
-               rte_atomic32_read(&tag->refcnt));
-       if (rte_atomic32_dec_and_test(&tag->refcnt)) {
+               __atomic_load_n(&tag->refcnt, __ATOMIC_RELAXED));
+       if (__atomic_sub_fetch(&tag->refcnt, 1, __ATOMIC_RELAXED) == 0) {
                claim_zero(mlx5_flow_os_destroy_flow_action(tag->action));
                mlx5_hlist_remove(sh->tag_table, &tag->entry);
                DRV_LOG(DEBUG, "port %u tag %p: removed",
@@ -8511,7 +8679,8 @@ flow_dv_sample_resource_register(struct rte_eth_dev *dev,
        *cache_resource = *resource;
        /* Create normal path table level */
        tbl = flow_dv_tbl_resource_get(dev, next_ft_id,
-                                       attr->egress, attr->transfer, error);
+                                       attr->egress, attr->transfer,
+                                       dev_flow->external, NULL, 0, error);
        if (!tbl) {
                rte_flow_error_set(error, ENOMEM,
                                          RTE_FLOW_ERROR_TYPE_UNSPECIFIED,
@@ -8775,11 +8944,12 @@ flow_dv_translate_action_sample(struct rte_eth_dev *dev,
        const struct rte_flow_action_queue *queue;
        struct mlx5_flow_sub_actions_list *sample_act;
        struct mlx5_flow_sub_actions_idx *sample_idx;
-       struct mlx5_flow_rss_desc *rss_desc = &((struct mlx5_flow_rss_desc *)
-                                             priv->rss_desc)
-                                             [!!priv->flow_nested_idx];
+       struct mlx5_flow_workspace *wks = mlx5_flow_get_thread_workspace();
+       struct mlx5_flow_rss_desc *rss_desc;
        uint64_t action_flags = 0;
 
+       MLX5_ASSERT(wks);
+       rss_desc = &wks->rss_desc[!!wks->flow_nested_idx];
        sample_act = &res->sample_act;
        sample_idx = &res->sample_idx;
        sample_action = (const struct rte_flow_action_sample *)action->conf;
@@ -8981,18 +9151,18 @@ flow_dv_create_action_sample(struct rte_eth_dev *dev,
                             uint64_t action_flags,
                             struct rte_flow_error *error)
 {
-       struct mlx5_priv *priv = dev->data->dev_private;
        /* update normal path action resource into last index of array */
        uint32_t dest_index = MLX5_MAX_DEST_NUM - 1;
        struct mlx5_flow_sub_actions_list *sample_act =
                                        &mdest_res->sample_act[dest_index];
-       struct mlx5_flow_rss_desc *rss_desc = &((struct mlx5_flow_rss_desc *)
-                                             priv->rss_desc)
-                                             [!!priv->flow_nested_idx];
+       struct mlx5_flow_workspace *wks = mlx5_flow_get_thread_workspace();
+       struct mlx5_flow_rss_desc *rss_desc;
        uint32_t normal_idx = 0;
        struct mlx5_hrxq *hrxq;
        uint32_t hrxq_idx;
 
+       MLX5_ASSERT(wks);
+       rss_desc = &wks->rss_desc[!!wks->flow_nested_idx];
        if (num_of_dest > 1) {
                if (sample_act->action_flags & MLX5_FLOW_ACTION_QUEUE) {
                        /* Handle QP action for mirroring */
@@ -9082,9 +9252,8 @@ __flow_dv_translate(struct rte_eth_dev *dev,
        struct mlx5_dev_config *dev_conf = &priv->config;
        struct rte_flow *flow = dev_flow->flow;
        struct mlx5_flow_handle *handle = dev_flow->handle;
-       struct mlx5_flow_rss_desc *rss_desc = &((struct mlx5_flow_rss_desc *)
-                                             priv->rss_desc)
-                                             [!!priv->flow_nested_idx];
+       struct mlx5_flow_workspace *wks = mlx5_flow_get_thread_workspace();
+       struct mlx5_flow_rss_desc *rss_desc;
        uint64_t item_flags = 0;
        uint64_t last_item = 0;
        uint64_t action_flags = 0;
@@ -9123,15 +9292,32 @@ __flow_dv_translate(struct rte_eth_dev *dev,
        int tmp_actions_n = 0;
        uint32_t table;
        int ret = 0;
+       const struct mlx5_flow_tunnel *tunnel;
+       struct flow_grp_info grp_info = {
+               .external = !!dev_flow->external,
+               .transfer = !!attr->transfer,
+               .fdb_def_rule = !!priv->fdb_def_rule,
+       };
 
+       MLX5_ASSERT(wks);
+       rss_desc = &wks->rss_desc[!!wks->flow_nested_idx];
        memset(&mdest_res, 0, sizeof(struct mlx5_flow_dv_dest_array_resource));
        memset(&sample_res, 0, sizeof(struct mlx5_flow_dv_sample_resource));
        mhdr_res->ft_type = attr->egress ? MLX5DV_FLOW_TABLE_TYPE_NIC_TX :
                                           MLX5DV_FLOW_TABLE_TYPE_NIC_RX;
        /* update normal path action resource into last index of array */
        sample_act = &mdest_res.sample_act[MLX5_MAX_DEST_NUM - 1];
-       ret = mlx5_flow_group_to_table(attr, dev_flow->external, attr->group,
-                                      !!priv->fdb_def_rule, &table, error);
+       tunnel = is_flow_tunnel_match_rule(dev, attr, items, actions) ?
+                flow_items_to_tunnel(items) :
+                is_flow_tunnel_steer_rule(dev, attr, items, actions) ?
+                flow_actions_to_tunnel(actions) :
+                dev_flow->tunnel ? dev_flow->tunnel : NULL;
+       mhdr_res->ft_type = attr->egress ? MLX5DV_FLOW_TABLE_TYPE_NIC_TX :
+                                          MLX5DV_FLOW_TABLE_TYPE_NIC_RX;
+       grp_info.std_tbl_fix = tunnel_use_standard_attr_group_translate
+                               (dev, tunnel, attr, items, actions);
+       ret = mlx5_flow_group_to_table(dev, tunnel, attr->group, &table,
+                                      grp_info, error);
        if (ret)
                return ret;
        dev_flow->dv.group = table;
@@ -9141,6 +9327,45 @@ __flow_dv_translate(struct rte_eth_dev *dev,
                priority = dev_conf->flow_prio - 1;
        /* number of actions must be set to 0 in case of dirty stack. */
        mhdr_res->actions_num = 0;
+       if (is_flow_tunnel_match_rule(dev, attr, items, actions)) {
+               /*
+                * do not add decap action if match rule drops packet
+                * HW rejects rules with decap & drop
+                */
+               bool add_decap = true;
+               const struct rte_flow_action *ptr = actions;
+               struct mlx5_flow_tbl_resource *tbl;
+
+               for (; ptr->type != RTE_FLOW_ACTION_TYPE_END; ptr++) {
+                       if (ptr->type == RTE_FLOW_ACTION_TYPE_DROP) {
+                               add_decap = false;
+                               break;
+                       }
+               }
+               if (add_decap) {
+                       if (flow_dv_create_action_l2_decap(dev, dev_flow,
+                                                          attr->transfer,
+                                                          error))
+                               return -rte_errno;
+                       dev_flow->dv.actions[actions_n++] =
+                                       dev_flow->dv.encap_decap->action;
+                       action_flags |= MLX5_FLOW_ACTION_DECAP;
+               }
+               /*
+                * bind table_id with <group, table> for tunnel match rule.
+                * Tunnel set rule establishes that bind in JUMP action handler.
+                * Required for scenario when application creates tunnel match
+                * rule before tunnel set rule.
+                */
+               tbl = flow_dv_tbl_resource_get(dev, table, attr->egress,
+                                              attr->transfer,
+                                              !!dev_flow->external, tunnel,
+                                              attr->group, error);
+               if (!tbl)
+                       return rte_flow_error_set
+                              (error, EINVAL, RTE_FLOW_ERROR_TYPE_ACTION,
+                              actions, "cannot register tunnel group");
+       }
        for (; !actions_end ; actions++) {
                const struct rte_flow_action_queue *queue;
                const struct rte_flow_action_rss *rss;
@@ -9161,6 +9386,9 @@ __flow_dv_translate(struct rte_eth_dev *dev,
                                                  actions,
                                                  "action not supported");
                switch (action_type) {
+               case MLX5_RTE_FLOW_ACTION_TYPE_TUNNEL_SET:
+                       action_flags |= MLX5_FLOW_ACTION_TUNNEL_SET;
+                       break;
                case RTE_FLOW_ACTION_TYPE_VOID:
                        break;
                case RTE_FLOW_ACTION_TYPE_PORT_ID:
@@ -9404,18 +9632,18 @@ __flow_dv_translate(struct rte_eth_dev *dev,
                case RTE_FLOW_ACTION_TYPE_JUMP:
                        jump_group = ((const struct rte_flow_action_jump *)
                                                        action->conf)->group;
-                       if (dev_flow->external && jump_group <
-                                       MLX5_MAX_TABLES_EXTERNAL)
-                               jump_group *= MLX5_FLOW_TABLE_FACTOR;
-                       ret = mlx5_flow_group_to_table(attr, dev_flow->external,
+                       grp_info.std_tbl_fix = 0;
+                       ret = mlx5_flow_group_to_table(dev, tunnel,
                                                       jump_group,
-                                                      !!priv->fdb_def_rule,
-                                                      &table, error);
+                                                      &table,
+                                                      grp_info, error);
                        if (ret)
                                return ret;
-                       tbl = flow_dv_tbl_resource_get(dev, table,
-                                                      attr->egress,
-                                                      attr->transfer, error);
+                       tbl = flow_dv_tbl_resource_get(dev, table, attr->egress,
+                                                      attr->transfer,
+                                                      !!dev_flow->external,
+                                                      tunnel, jump_group,
+                                                      error);
                        if (!tbl)
                                return rte_flow_error_set
                                                (error, errno,
@@ -9719,7 +9947,7 @@ __flow_dv_translate(struct rte_eth_dev *dev,
                        mlx5_flow_tunnel_ip_check(items, next_protocol,
                                                  &item_flags, &tunnel);
                        flow_dv_translate_item_ipv4(match_mask, match_value,
-                                                   items, item_flags, tunnel,
+                                                   items, tunnel,
                                                    dev_flow->dv.group);
                        matcher.priority = MLX5_PRIORITY_MAP_L3;
                        last_item = tunnel ? MLX5_FLOW_LAYER_INNER_L3_IPV4 :
@@ -9742,7 +9970,7 @@ __flow_dv_translate(struct rte_eth_dev *dev,
                        mlx5_flow_tunnel_ip_check(items, next_protocol,
                                                  &item_flags, &tunnel);
                        flow_dv_translate_item_ipv6(match_mask, match_value,
-                                                   items, item_flags, tunnel,
+                                                   items, tunnel,
                                                    dev_flow->dv.group);
                        matcher.priority = MLX5_PRIORITY_MAP_L3;
                        last_item = tunnel ? MLX5_FLOW_LAYER_INNER_L3_IPV6 :
@@ -9943,6 +10171,159 @@ __flow_dv_translate(struct rte_eth_dev *dev,
        return 0;
 }
 
+/**
+ * Set hash RX queue by hash fields (see enum ibv_rx_hash_fields)
+ * and tunnel.
+ *
+ * @param[in, out] action
+ *   Shred RSS action holding hash RX queue objects.
+ * @param[in] hash_fields
+ *   Defines combination of packet fields to participate in RX hash.
+ * @param[in] tunnel
+ *   Tunnel type
+ * @param[in] hrxq_idx
+ *   Hash RX queue index to set.
+ *
+ * @return
+ *   0 on success, otherwise negative errno value.
+ */
+static int
+__flow_dv_action_rss_hrxq_set(struct mlx5_shared_action_rss *action,
+                             const uint64_t hash_fields,
+                             const int tunnel,
+                             uint32_t hrxq_idx)
+{
+       uint32_t *hrxqs = tunnel ? action->hrxq : action->hrxq_tunnel;
+
+       switch (hash_fields & ~IBV_RX_HASH_INNER) {
+       case MLX5_RSS_HASH_IPV4:
+               hrxqs[0] = hrxq_idx;
+               return 0;
+       case MLX5_RSS_HASH_IPV4_TCP:
+               hrxqs[1] = hrxq_idx;
+               return 0;
+       case MLX5_RSS_HASH_IPV4_UDP:
+               hrxqs[2] = hrxq_idx;
+               return 0;
+       case MLX5_RSS_HASH_IPV6:
+               hrxqs[3] = hrxq_idx;
+               return 0;
+       case MLX5_RSS_HASH_IPV6_TCP:
+               hrxqs[4] = hrxq_idx;
+               return 0;
+       case MLX5_RSS_HASH_IPV6_UDP:
+               hrxqs[5] = hrxq_idx;
+               return 0;
+       case MLX5_RSS_HASH_NONE:
+               hrxqs[6] = hrxq_idx;
+               return 0;
+       default:
+               return -1;
+       }
+}
+
+/**
+ * Look up for hash RX queue by hash fields (see enum ibv_rx_hash_fields)
+ * and tunnel.
+ *
+ * @param[in] action
+ *   Shred RSS action holding hash RX queue objects.
+ * @param[in] hash_fields
+ *   Defines combination of packet fields to participate in RX hash.
+ * @param[in] tunnel
+ *   Tunnel type
+ *
+ * @return
+ *   Valid hash RX queue index, otherwise 0.
+ */
+static uint32_t
+__flow_dv_action_rss_hrxq_lookup(const struct mlx5_shared_action_rss *action,
+                                const uint64_t hash_fields,
+                                const int tunnel)
+{
+       const uint32_t *hrxqs = tunnel ? action->hrxq : action->hrxq_tunnel;
+
+       switch (hash_fields & ~IBV_RX_HASH_INNER) {
+       case MLX5_RSS_HASH_IPV4:
+               return hrxqs[0];
+       case MLX5_RSS_HASH_IPV4_TCP:
+               return hrxqs[1];
+       case MLX5_RSS_HASH_IPV4_UDP:
+               return hrxqs[2];
+       case MLX5_RSS_HASH_IPV6:
+               return hrxqs[3];
+       case MLX5_RSS_HASH_IPV6_TCP:
+               return hrxqs[4];
+       case MLX5_RSS_HASH_IPV6_UDP:
+               return hrxqs[5];
+       case MLX5_RSS_HASH_NONE:
+               return hrxqs[6];
+       default:
+               return 0;
+       }
+}
+
+/**
+ * Retrieves hash RX queue suitable for the *flow*.
+ * If shared action configured for *flow* suitable hash RX queue will be
+ * retrieved from attached shared action.
+ *
+ * @param[in] flow
+ *   Shred RSS action holding hash RX queue objects.
+ * @param[in] dev_flow
+ *   Pointer to the sub flow.
+ * @param[out] hrxq
+ *   Pointer to retrieved hash RX queue object.
+ *
+ * @return
+ *   Valid hash RX queue index, otherwise 0 and rte_errno is set.
+ */
+static uint32_t
+__flow_dv_rss_get_hrxq(struct rte_eth_dev *dev, struct rte_flow *flow,
+                          struct mlx5_flow *dev_flow,
+                          struct mlx5_hrxq **hrxq)
+{
+       struct mlx5_priv *priv = dev->data->dev_private;
+       struct mlx5_flow_workspace *wks = mlx5_flow_get_thread_workspace();
+       uint32_t hrxq_idx;
+
+       if (flow->shared_rss) {
+               hrxq_idx = __flow_dv_action_rss_hrxq_lookup
+                               (flow->shared_rss, dev_flow->hash_fields,
+                                !!(dev_flow->handle->layers &
+                                   MLX5_FLOW_LAYER_TUNNEL));
+               if (hrxq_idx) {
+                       *hrxq = mlx5_ipool_get(priv->sh->ipool[MLX5_IPOOL_HRXQ],
+                                              hrxq_idx);
+                       __atomic_fetch_add(&(*hrxq)->refcnt, 1,
+                                          __ATOMIC_RELAXED);
+               }
+       } else {
+               struct mlx5_flow_rss_desc *rss_desc =
+                               &wks->rss_desc[!!wks->flow_nested_idx];
+
+               MLX5_ASSERT(rss_desc->queue_num);
+               hrxq_idx = mlx5_hrxq_get(dev, rss_desc->key,
+                                        MLX5_RSS_HASH_KEY_LEN,
+                                        dev_flow->hash_fields,
+                                        rss_desc->queue, rss_desc->queue_num);
+               if (!hrxq_idx) {
+                       hrxq_idx = mlx5_hrxq_new(dev,
+                                                rss_desc->key,
+                                                MLX5_RSS_HASH_KEY_LEN,
+                                                dev_flow->hash_fields,
+                                                rss_desc->queue,
+                                                rss_desc->queue_num,
+                                                !!(dev_flow->handle->layers &
+                                                MLX5_FLOW_LAYER_TUNNEL),
+                                                false);
+               }
+               *hrxq = mlx5_ipool_get(priv->sh->ipool[MLX5_IPOOL_HRXQ],
+                                      hrxq_idx);
+       }
+       return hrxq_idx;
+}
+
 /**
  * Apply the flow to the NIC, lock free,
  * (mutex should be acquired by caller).
@@ -9970,9 +10351,11 @@ __flow_dv_apply(struct rte_eth_dev *dev, struct rte_flow *flow,
        int n;
        int err;
        int idx;
+       struct mlx5_flow_workspace *wks = mlx5_flow_get_thread_workspace();
 
-       for (idx = priv->flow_idx - 1; idx >= priv->flow_nested_idx; idx--) {
-               dev_flow = &((struct mlx5_flow *)priv->inter_flows)[idx];
+       MLX5_ASSERT(wks);
+       for (idx = wks->flow_idx - 1; idx >= wks->flow_nested_idx; idx--) {
+               dev_flow = &wks->flows[idx];
                dv = &dev_flow->dv;
                dh = dev_flow->handle;
                dv_h = &dh->dvh;
@@ -10002,31 +10385,10 @@ __flow_dv_apply(struct rte_eth_dev *dev, struct rte_flow *flow,
                        }
                } else if (dh->fate_action == MLX5_FLOW_FATE_QUEUE &&
                           !dv_h->rix_sample && !dv_h->rix_dest_array) {
-                       struct mlx5_hrxq *hrxq;
-                       uint32_t hrxq_idx;
-                       struct mlx5_flow_rss_desc *rss_desc =
-                               &((struct mlx5_flow_rss_desc *)priv->rss_desc)
-                               [!!priv->flow_nested_idx];
+                       struct mlx5_hrxq *hrxq = NULL;
+                       uint32_t hrxq_idx = __flow_dv_rss_get_hrxq
+                                               (dev, flow, dev_flow, &hrxq);
 
-                       MLX5_ASSERT(rss_desc->queue_num);
-                       hrxq_idx = mlx5_hrxq_get(dev, rss_desc->key,
-                                                MLX5_RSS_HASH_KEY_LEN,
-                                                dev_flow->hash_fields,
-                                                rss_desc->queue,
-                                                rss_desc->queue_num);
-                       if (!hrxq_idx) {
-                               hrxq_idx = mlx5_hrxq_new
-                                               (dev, rss_desc->key,
-                                                MLX5_RSS_HASH_KEY_LEN,
-                                                dev_flow->hash_fields,
-                                                rss_desc->queue,
-                                                rss_desc->queue_num,
-                                                !!(dh->layers &
-                                                MLX5_FLOW_LAYER_TUNNEL),
-                                                false);
-                       }
-                       hrxq = mlx5_ipool_get(priv->sh->ipool[MLX5_IPOOL_HRXQ],
-                                             hrxq_idx);
                        if (!hrxq) {
                                rte_flow_error_set
                                        (error, rte_errno,
@@ -10114,8 +10476,8 @@ flow_dv_matcher_release(struct rte_eth_dev *dev,
        MLX5_ASSERT(matcher->matcher_object);
        DRV_LOG(DEBUG, "port %u matcher %p: refcnt %d--",
                dev->data->port_id, (void *)matcher,
-               rte_atomic32_read(&matcher->refcnt));
-       if (rte_atomic32_dec_and_test(&matcher->refcnt)) {
+               __atomic_load_n(&matcher->refcnt, __ATOMIC_RELAXED));
+       if (__atomic_sub_fetch(&matcher->refcnt, 1, __ATOMIC_RELAXED) == 0) {
                claim_zero(mlx5_flow_os_destroy_flow_matcher
                           (matcher->matcher_object));
                LIST_REMOVE(matcher, next);
@@ -10155,8 +10517,9 @@ flow_dv_encap_decap_resource_release(struct rte_eth_dev *dev,
        MLX5_ASSERT(cache_resource->action);
        DRV_LOG(DEBUG, "encap/decap resource %p: refcnt %d--",
                (void *)cache_resource,
-               rte_atomic32_read(&cache_resource->refcnt));
-       if (rte_atomic32_dec_and_test(&cache_resource->refcnt)) {
+               __atomic_load_n(&cache_resource->refcnt, __ATOMIC_RELAXED));
+       if (__atomic_sub_fetch(&cache_resource->refcnt, 1,
+                              __ATOMIC_RELAXED) == 0) {
                claim_zero(mlx5_flow_os_destroy_flow_action
                                                (cache_resource->action));
                mlx5_hlist_remove(priv->sh->encaps_decaps,
@@ -10196,8 +10559,9 @@ flow_dv_jump_tbl_resource_release(struct rte_eth_dev *dev,
        MLX5_ASSERT(cache_resource->action);
        DRV_LOG(DEBUG, "jump table resource %p: refcnt %d--",
                (void *)cache_resource,
-               rte_atomic32_read(&cache_resource->refcnt));
-       if (rte_atomic32_dec_and_test(&cache_resource->refcnt)) {
+               __atomic_load_n(&cache_resource->refcnt, __ATOMIC_RELAXED));
+       if (__atomic_sub_fetch(&cache_resource->refcnt, 1,
+                              __ATOMIC_RELAXED) == 0) {
                claim_zero(mlx5_flow_os_destroy_flow_action
                                                (cache_resource->action));
                /* jump action memory free is inside the table release. */
@@ -10228,8 +10592,10 @@ flow_dv_default_miss_resource_release(struct rte_eth_dev *dev)
        MLX5_ASSERT(cache_resource->action);
        DRV_LOG(DEBUG, "default miss resource %p: refcnt %d--",
                        (void *)cache_resource->action,
-                       rte_atomic32_read(&cache_resource->refcnt));
-       if (rte_atomic32_dec_and_test(&cache_resource->refcnt)) {
+                       __atomic_load_n(&cache_resource->refcnt,
+                                       __ATOMIC_RELAXED));
+       if (__atomic_sub_fetch(&cache_resource->refcnt, 1,
+                              __ATOMIC_RELAXED) == 0) {
                claim_zero(mlx5_glue->destroy_flow_action
                                (cache_resource->action));
                DRV_LOG(DEBUG, "default miss resource %p: removed",
@@ -10261,8 +10627,9 @@ flow_dv_modify_hdr_resource_release(struct rte_eth_dev *dev,
        MLX5_ASSERT(cache_resource->action);
        DRV_LOG(DEBUG, "modify-header resource %p: refcnt %d--",
                (void *)cache_resource,
-               rte_atomic32_read(&cache_resource->refcnt));
-       if (rte_atomic32_dec_and_test(&cache_resource->refcnt)) {
+               __atomic_load_n(&cache_resource->refcnt, __ATOMIC_RELAXED));
+       if (__atomic_sub_fetch(&cache_resource->refcnt, 1,
+                               __ATOMIC_RELAXED) == 0) {
                claim_zero(mlx5_flow_os_destroy_flow_action
                                                (cache_resource->action));
                mlx5_hlist_remove(priv->sh->modify_cmds,
@@ -10301,8 +10668,9 @@ flow_dv_port_id_action_resource_release(struct rte_eth_dev *dev,
        MLX5_ASSERT(cache_resource->action);
        DRV_LOG(DEBUG, "port ID action resource %p: refcnt %d--",
                (void *)cache_resource,
-               rte_atomic32_read(&cache_resource->refcnt));
-       if (rte_atomic32_dec_and_test(&cache_resource->refcnt)) {
+               __atomic_load_n(&cache_resource->refcnt, __ATOMIC_RELAXED));
+       if (__atomic_sub_fetch(&cache_resource->refcnt, 1,
+                              __ATOMIC_RELAXED) == 0) {
                claim_zero(mlx5_flow_os_destroy_flow_action
                                                (cache_resource->action));
                ILIST_REMOVE(priv->sh->ipool[MLX5_IPOOL_PORT_ID],
@@ -10342,8 +10710,9 @@ flow_dv_push_vlan_action_resource_release(struct rte_eth_dev *dev,
        MLX5_ASSERT(cache_resource->action);
        DRV_LOG(DEBUG, "push VLAN action resource %p: refcnt %d--",
                (void *)cache_resource,
-               rte_atomic32_read(&cache_resource->refcnt));
-       if (rte_atomic32_dec_and_test(&cache_resource->refcnt)) {
+               __atomic_load_n(&cache_resource->refcnt, __ATOMIC_RELAXED));
+       if (__atomic_sub_fetch(&cache_resource->refcnt, 1,
+                              __ATOMIC_RELAXED) == 0) {
                claim_zero(mlx5_flow_os_destroy_flow_action
                                                (cache_resource->action));
                ILIST_REMOVE(priv->sh->ipool[MLX5_IPOOL_PUSH_VLAN],
@@ -10579,12 +10948,16 @@ __flow_dv_remove(struct rte_eth_dev *dev, struct rte_flow *flow)
 static void
 __flow_dv_destroy(struct rte_eth_dev *dev, struct rte_flow *flow)
 {
+       struct rte_flow_shared_action *shared;
        struct mlx5_flow_handle *dev_handle;
        struct mlx5_priv *priv = dev->data->dev_private;
 
        if (!flow)
                return;
        __flow_dv_remove(dev, flow);
+       shared = mlx5_flow_get_shared_rss(flow);
+       if (shared)
+               __atomic_sub_fetch(&shared->refcnt, 1, __ATOMIC_RELAXED);
        if (flow->counter) {
                flow_dv_counter_release(dev, flow->counter);
                flow->counter = 0;
@@ -10629,6 +11002,423 @@ __flow_dv_destroy(struct rte_eth_dev *dev, struct rte_flow *flow)
        }
 }
 
+/**
+ * Release array of hash RX queue objects.
+ * Helper function.
+ *
+ * @param[in] dev
+ *   Pointer to the Ethernet device structure.
+ * @param[in, out] hrxqs
+ *   Array of hash RX queue objects.
+ *
+ * @return
+ *   Total number of references to hash RX queue objects in *hrxqs* array
+ *   after this operation.
+ */
+static int
+__flow_dv_hrxqs_release(struct rte_eth_dev *dev,
+                       uint32_t (*hrxqs)[MLX5_RSS_HASH_FIELDS_LEN])
+{
+       size_t i;
+       int remaining = 0;
+
+       for (i = 0; i < RTE_DIM(*hrxqs); i++) {
+               int ret = mlx5_hrxq_release(dev, (*hrxqs)[i]);
+
+               if (!ret)
+                       (*hrxqs)[i] = 0;
+               remaining += ret;
+       }
+       return remaining;
+}
+
+/**
+ * Release all hash RX queue objects representing shared RSS action.
+ *
+ * @param[in] dev
+ *   Pointer to the Ethernet device structure.
+ * @param[in, out] action
+ *   Shared RSS action to remove hash RX queue objects from.
+ *
+ * @return
+ *   Total number of references to hash RX queue objects stored in *action*
+ *   after this operation.
+ *   Expected to be 0 if no external references held.
+ */
+static int
+__flow_dv_action_rss_hrxqs_release(struct rte_eth_dev *dev,
+                                struct mlx5_shared_action_rss *action)
+{
+       return __flow_dv_hrxqs_release(dev, &action->hrxq) +
+               __flow_dv_hrxqs_release(dev, &action->hrxq_tunnel);
+}
+
+/**
+ * Setup shared RSS action.
+ * Prepare set of hash RX queue objects sufficient to handle all valid
+ * hash_fields combinations (see enum ibv_rx_hash_fields).
+ *
+ * @param[in] dev
+ *   Pointer to the Ethernet device structure.
+ * @param[in, out] action
+ *   Partially initialized shared RSS action.
+ * @param[out] error
+ *   Perform verbose error reporting if not NULL. Initialized in case of
+ *   error only.
+ *
+ * @return
+ *   0 on success, otherwise negative errno value.
+ */
+static int
+__flow_dv_action_rss_setup(struct rte_eth_dev *dev,
+                       struct mlx5_shared_action_rss *action,
+                       struct rte_flow_error *error)
+{
+       size_t i;
+       int err;
+
+       for (i = 0; i < MLX5_RSS_HASH_FIELDS_LEN; i++) {
+               uint32_t hrxq_idx;
+               uint64_t hash_fields = mlx5_rss_hash_fields[i];
+               int tunnel;
+
+               for (tunnel = 0; tunnel < 2; tunnel++) {
+                       hrxq_idx = mlx5_hrxq_new(dev, action->origin.key,
+                                       MLX5_RSS_HASH_KEY_LEN,
+                                       hash_fields,
+                                       action->origin.queue,
+                                       action->origin.queue_num,
+                                       tunnel, true);
+                       if (!hrxq_idx) {
+                               rte_flow_error_set
+                                       (error, rte_errno,
+                                        RTE_FLOW_ERROR_TYPE_UNSPECIFIED, NULL,
+                                        "cannot get hash queue");
+                               goto error_hrxq_new;
+                       }
+                       err = __flow_dv_action_rss_hrxq_set
+                               (action, hash_fields, tunnel, hrxq_idx);
+                       MLX5_ASSERT(!err);
+               }
+       }
+       return 0;
+error_hrxq_new:
+       err = rte_errno;
+       __flow_dv_action_rss_hrxqs_release(dev, action);
+       rte_errno = err;
+       return -rte_errno;
+}
+
+/**
+ * Create shared RSS action.
+ *
+ * @param[in] dev
+ *   Pointer to the Ethernet device structure.
+ * @param[in] conf
+ *   Shared action configuration.
+ * @param[in] rss
+ *   RSS action specification used to create shared action.
+ * @param[out] error
+ *   Perform verbose error reporting if not NULL. Initialized in case of
+ *   error only.
+ *
+ * @return
+ *   A valid shared action handle in case of success, NULL otherwise and
+ *   rte_errno is set.
+ */
+static struct rte_flow_shared_action *
+__flow_dv_action_rss_create(struct rte_eth_dev *dev,
+                           const struct rte_flow_shared_action_conf *conf,
+                           const struct rte_flow_action_rss *rss,
+                           struct rte_flow_error *error)
+{
+       struct rte_flow_shared_action *shared_action = NULL;
+       void *queue = NULL;
+       struct mlx5_shared_action_rss *shared_rss;
+       struct rte_flow_action_rss *origin;
+       const uint8_t *rss_key;
+       uint32_t queue_size = rss->queue_num * sizeof(uint16_t);
+
+       RTE_SET_USED(conf);
+       queue = mlx5_malloc(0, RTE_ALIGN_CEIL(queue_size, sizeof(void *)),
+                           0, SOCKET_ID_ANY);
+       shared_action = mlx5_malloc(MLX5_MEM_ZERO, sizeof(*shared_action), 0,
+                                   SOCKET_ID_ANY);
+       if (!shared_action || !queue) {
+               rte_flow_error_set(error, ENOMEM,
+                                  RTE_FLOW_ERROR_TYPE_UNSPECIFIED, NULL,
+                                  "cannot allocate resource memory");
+               goto error_rss_init;
+       }
+       shared_rss = &shared_action->rss;
+       shared_rss->queue = queue;
+       origin = &shared_rss->origin;
+       origin->func = rss->func;
+       origin->level = rss->level;
+       /* RSS type 0 indicates default RSS type (ETH_RSS_IP). */
+       origin->types = !rss->types ? ETH_RSS_IP : rss->types;
+       /* NULL RSS key indicates default RSS key. */
+       rss_key = !rss->key ? rss_hash_default_key : rss->key;
+       memcpy(shared_rss->key, rss_key, MLX5_RSS_HASH_KEY_LEN);
+       origin->key = &shared_rss->key[0];
+       origin->key_len = MLX5_RSS_HASH_KEY_LEN;
+       memcpy(shared_rss->queue, rss->queue, queue_size);
+       origin->queue = shared_rss->queue;
+       origin->queue_num = rss->queue_num;
+       if (__flow_dv_action_rss_setup(dev, shared_rss, error))
+               goto error_rss_init;
+       shared_action->type = MLX5_RTE_FLOW_ACTION_TYPE_SHARED_RSS;
+       return shared_action;
+error_rss_init:
+       mlx5_free(shared_action);
+       mlx5_free(queue);
+       return NULL;
+}
+
+/**
+ * Destroy the shared RSS action.
+ * Release related hash RX queue objects.
+ *
+ * @param[in] dev
+ *   Pointer to the Ethernet device structure.
+ * @param[in] shared_rss
+ *   The shared RSS action object to be removed.
+ * @param[out] error
+ *   Perform verbose error reporting if not NULL. Initialized in case of
+ *   error only.
+ *
+ * @return
+ *   0 on success, otherwise negative errno value.
+ */
+static int
+__flow_dv_action_rss_release(struct rte_eth_dev *dev,
+                        struct mlx5_shared_action_rss *shared_rss,
+                        struct rte_flow_error *error)
+{
+       struct rte_flow_shared_action *shared_action = NULL;
+       uint32_t old_refcnt = 1;
+       int remaining = __flow_dv_action_rss_hrxqs_release(dev, shared_rss);
+
+       if (remaining) {
+               return rte_flow_error_set(error, ETOOMANYREFS,
+                                         RTE_FLOW_ERROR_TYPE_ACTION,
+                                         NULL,
+                                         "shared rss hrxq has references");
+       }
+       shared_action = container_of(shared_rss,
+                                    struct rte_flow_shared_action, rss);
+       if (!__atomic_compare_exchange_n(&shared_action->refcnt, &old_refcnt,
+                                        0, 0,
+                                        __ATOMIC_ACQUIRE, __ATOMIC_RELAXED)) {
+               return rte_flow_error_set(error, ETOOMANYREFS,
+                                         RTE_FLOW_ERROR_TYPE_ACTION,
+                                         NULL,
+                                         "shared rss has references");
+       }
+       rte_free(shared_rss->queue);
+       return 0;
+}
+
+/**
+ * Create shared action, lock free,
+ * (mutex should be acquired by caller).
+ * Dispatcher for action type specific call.
+ *
+ * @param[in] dev
+ *   Pointer to the Ethernet device structure.
+ * @param[in] conf
+ *   Shared action configuration.
+ * @param[in] action
+ *   Action specification used to create shared action.
+ * @param[out] error
+ *   Perform verbose error reporting if not NULL. Initialized in case of
+ *   error only.
+ *
+ * @return
+ *   A valid shared action handle in case of success, NULL otherwise and
+ *   rte_errno is set.
+ */
+static struct rte_flow_shared_action *
+__flow_dv_action_create(struct rte_eth_dev *dev,
+                       const struct rte_flow_shared_action_conf *conf,
+                       const struct rte_flow_action *action,
+                       struct rte_flow_error *error)
+{
+       struct rte_flow_shared_action *shared_action = NULL;
+       struct mlx5_priv *priv = dev->data->dev_private;
+
+       switch (action->type) {
+       case RTE_FLOW_ACTION_TYPE_RSS:
+               shared_action = __flow_dv_action_rss_create(dev, conf,
+                                                           action->conf,
+                                                           error);
+               break;
+       default:
+               rte_flow_error_set(error, ENOTSUP, RTE_FLOW_ERROR_TYPE_ACTION,
+                                  NULL, "action type not supported");
+               break;
+       }
+       if (shared_action) {
+               __atomic_add_fetch(&shared_action->refcnt, 1,
+                                  __ATOMIC_RELAXED);
+               LIST_INSERT_HEAD(&priv->shared_actions, shared_action, next);
+       }
+       return shared_action;
+}
+
+/**
+ * Destroy the shared action.
+ * Release action related resources on the NIC and the memory.
+ * Lock free, (mutex should be acquired by caller).
+ * Dispatcher for action type specific call.
+ *
+ * @param[in] dev
+ *   Pointer to the Ethernet device structure.
+ * @param[in] action
+ *   The shared action object to be removed.
+ * @param[out] error
+ *   Perform verbose error reporting if not NULL. Initialized in case of
+ *   error only.
+ *
+ * @return
+ *   0 on success, otherwise negative errno value.
+ */
+static int
+__flow_dv_action_destroy(struct rte_eth_dev *dev,
+                        struct rte_flow_shared_action *action,
+                        struct rte_flow_error *error)
+{
+       int ret;
+
+       switch (action->type) {
+       case MLX5_RTE_FLOW_ACTION_TYPE_SHARED_RSS:
+               ret = __flow_dv_action_rss_release(dev, &action->rss, error);
+               break;
+       default:
+               return rte_flow_error_set(error, ENOTSUP,
+                                         RTE_FLOW_ERROR_TYPE_ACTION,
+                                         NULL,
+                                         "action type not supported");
+       }
+       if (ret)
+               return ret;
+       LIST_REMOVE(action, next);
+       rte_free(action);
+       return 0;
+}
+
+/**
+ * Updates in place shared RSS action configuration.
+ *
+ * @param[in] dev
+ *   Pointer to the Ethernet device structure.
+ * @param[in] shared_rss
+ *   The shared RSS action object to be updated.
+ * @param[in] action_conf
+ *   RSS action specification used to modify *shared_rss*.
+ * @param[out] error
+ *   Perform verbose error reporting if not NULL. Initialized in case of
+ *   error only.
+ *
+ * @return
+ *   0 on success, otherwise negative errno value.
+ * @note: currently only support update of RSS queues.
+ */
+static int
+__flow_dv_action_rss_update(struct rte_eth_dev *dev,
+                           struct mlx5_shared_action_rss *shared_rss,
+                           const struct rte_flow_action_rss *action_conf,
+                           struct rte_flow_error *error)
+{
+       size_t i;
+       int ret;
+       void *queue = NULL;
+       const uint8_t *rss_key;
+       uint32_t rss_key_len;
+       uint32_t queue_size = action_conf->queue_num * sizeof(uint16_t);
+
+       queue = mlx5_malloc(MLX5_MEM_ZERO,
+                           RTE_ALIGN_CEIL(queue_size, sizeof(void *)),
+                           0, SOCKET_ID_ANY);
+       if (!queue)
+               return rte_flow_error_set(error, ENOMEM,
+                                         RTE_FLOW_ERROR_TYPE_UNSPECIFIED,
+                                         NULL,
+                                         "cannot allocate resource memory");
+       if (action_conf->key) {
+               rss_key = action_conf->key;
+               rss_key_len = action_conf->key_len;
+       } else {
+               rss_key = rss_hash_default_key;
+               rss_key_len = MLX5_RSS_HASH_KEY_LEN;
+       }
+       for (i = 0; i < MLX5_RSS_HASH_FIELDS_LEN; i++) {
+               uint32_t hrxq_idx;
+               uint64_t hash_fields = mlx5_rss_hash_fields[i];
+               int tunnel;
+
+               for (tunnel = 0; tunnel < 2; tunnel++) {
+                       hrxq_idx = __flow_dv_action_rss_hrxq_lookup
+                                       (shared_rss, hash_fields, tunnel);
+                       MLX5_ASSERT(hrxq_idx);
+                       ret = mlx5_hrxq_modify
+                               (dev, hrxq_idx,
+                                rss_key, rss_key_len,
+                                hash_fields,
+                                action_conf->queue, action_conf->queue_num);
+                       if (ret) {
+                               mlx5_free(queue);
+                               return rte_flow_error_set
+                                       (error, rte_errno,
+                                        RTE_FLOW_ERROR_TYPE_ACTION, NULL,
+                                        "cannot update hash queue");
+                       }
+               }
+       }
+       mlx5_free(shared_rss->queue);
+       shared_rss->queue = queue;
+       memcpy(shared_rss->queue, action_conf->queue, queue_size);
+       shared_rss->origin.queue = shared_rss->queue;
+       shared_rss->origin.queue_num = action_conf->queue_num;
+       return 0;
+}
+
+/**
+ * Updates in place shared action configuration, lock free,
+ * (mutex should be acquired by caller).
+ *
+ * @param[in] dev
+ *   Pointer to the Ethernet device structure.
+ * @param[in] action
+ *   The shared action object to be updated.
+ * @param[in] action_conf
+ *   Action specification used to modify *action*.
+ *   *action_conf* should be of type correlating with type of the *action*,
+ *   otherwise considered as invalid.
+ * @param[out] error
+ *   Perform verbose error reporting if not NULL. Initialized in case of
+ *   error only.
+ *
+ * @return
+ *   0 on success, otherwise negative errno value.
+ */
+static int
+__flow_dv_action_update(struct rte_eth_dev *dev,
+                       struct rte_flow_shared_action *action,
+                       const void *action_conf,
+                       struct rte_flow_error *error)
+{
+       switch (action->type) {
+       case MLX5_RTE_FLOW_ACTION_TYPE_SHARED_RSS:
+               return __flow_dv_action_rss_update(dev, &action->rss,
+                                                  action_conf, error);
+       default:
+               return rte_flow_error_set(error, ENOTSUP,
+                                         RTE_FLOW_ERROR_TYPE_ACTION,
+                                         NULL,
+                                         "action type not supported");
+       }
+}
 /**
  * Query a dv flow  rule for its statistics via devx.
  *
@@ -10887,7 +11677,8 @@ flow_dv_prepare_mtr_tables(struct rte_eth_dev *dev,
                dtb = &mtb->ingress;
        /* Create the meter table with METER level. */
        dtb->tbl = flow_dv_tbl_resource_get(dev, MLX5_FLOW_TABLE_LEVEL_METER,
-                                           egress, transfer, &error);
+                                           egress, transfer, false, NULL, 0,
+                                           &error);
        if (!dtb->tbl) {
                DRV_LOG(ERR, "Failed to create meter policer table.");
                return -1;
@@ -10895,7 +11686,8 @@ flow_dv_prepare_mtr_tables(struct rte_eth_dev *dev,
        /* Create the meter suffix table with SUFFIX level. */
        dtb->sfx_tbl = flow_dv_tbl_resource_get(dev,
                                            MLX5_FLOW_TABLE_LEVEL_SUFFIX,
-                                           egress, transfer, &error);
+                                           egress, transfer, false, NULL, 0,
+                                           &error);
        if (!dtb->sfx_tbl) {
                DRV_LOG(ERR, "Failed to create meter suffix table.");
                return -1;
@@ -11214,10 +12006,10 @@ mlx5_flow_dv_discover_counter_offset_support(struct rte_eth_dev *dev)
        void *flow = NULL;
        int i, ret = -1;
 
-       tbl = flow_dv_tbl_resource_get(dev, 0, 0, 0, NULL);
+       tbl = flow_dv_tbl_resource_get(dev, 0, 0, 0, false, NULL, 0, NULL);
        if (!tbl)
                goto err;
-       dest_tbl = flow_dv_tbl_resource_get(dev, 1, 0, 0, NULL);
+       dest_tbl = flow_dv_tbl_resource_get(dev, 1, 0, 0, false, NULL, 0, NULL);
        if (!dest_tbl)
                goto err;
        dcs = mlx5_devx_cmd_flow_counter_alloc(priv->sh->ctx, 0x4);
@@ -11453,6 +12245,117 @@ flow_dv_counter_free(struct rte_eth_dev *dev, uint32_t cnt)
        flow_dv_shared_unlock(dev);
 }
 
+/**
+ * Validate shared action.
+ * Dispatcher for action type specific validation.
+ *
+ * @param[in] dev
+ *   Pointer to the Ethernet device structure.
+ * @param[in] conf
+ *   Shared action configuration.
+ * @param[in] action
+ *   The shared action object to validate.
+ * @param[out] error
+ *   Perform verbose error reporting if not NULL. Initialized in case of
+ *   error only.
+ *
+ * @return
+ *   0 on success, otherwise negative errno value.
+ */
+static int
+flow_dv_action_validate(struct rte_eth_dev *dev,
+                       const struct rte_flow_shared_action_conf *conf,
+                       const struct rte_flow_action *action,
+                       struct rte_flow_error *error)
+{
+       RTE_SET_USED(conf);
+       switch (action->type) {
+       case RTE_FLOW_ACTION_TYPE_RSS:
+               return mlx5_validate_action_rss(dev, action, error);
+       default:
+               return rte_flow_error_set(error, ENOTSUP,
+                                         RTE_FLOW_ERROR_TYPE_ACTION,
+                                         NULL,
+                                         "action type not supported");
+       }
+}
+
+/*
+ * Mutex-protected thunk to lock-free  __flow_dv_action_create().
+ */
+static struct rte_flow_shared_action *
+flow_dv_action_create(struct rte_eth_dev *dev,
+                     const struct rte_flow_shared_action_conf *conf,
+                     const struct rte_flow_action *action,
+                     struct rte_flow_error *error)
+{
+       struct rte_flow_shared_action *shared_action = NULL;
+
+       flow_dv_shared_lock(dev);
+       shared_action = __flow_dv_action_create(dev, conf, action, error);
+       flow_dv_shared_unlock(dev);
+       return shared_action;
+}
+
+/*
+ * Mutex-protected thunk to lock-free  __flow_dv_action_destroy().
+ */
+static int
+flow_dv_action_destroy(struct rte_eth_dev *dev,
+                      struct rte_flow_shared_action *action,
+                      struct rte_flow_error *error)
+{
+       int ret;
+
+       flow_dv_shared_lock(dev);
+       ret = __flow_dv_action_destroy(dev, action, error);
+       flow_dv_shared_unlock(dev);
+       return ret;
+}
+
+/*
+ * Mutex-protected thunk to lock-free  __flow_dv_action_update().
+ */
+static int
+flow_dv_action_update(struct rte_eth_dev *dev,
+                     struct rte_flow_shared_action *action,
+                     const void *action_conf,
+                     struct rte_flow_error *error)
+{
+       int ret;
+
+       flow_dv_shared_lock(dev);
+       ret = __flow_dv_action_update(dev, action, action_conf,
+                                     error);
+       flow_dv_shared_unlock(dev);
+       return ret;
+}
+
+static int
+flow_dv_sync_domain(struct rte_eth_dev *dev, uint32_t domains, uint32_t flags)
+{
+       struct mlx5_priv *priv = dev->data->dev_private;
+       int ret = 0;
+
+       if ((domains & MLX5_DOMAIN_BIT_NIC_RX) && priv->sh->rx_domain != NULL) {
+               ret = mlx5_glue->dr_sync_domain(priv->sh->rx_domain,
+                                               flags);
+               if (ret != 0)
+                       return ret;
+       }
+       if ((domains & MLX5_DOMAIN_BIT_NIC_TX) && priv->sh->tx_domain != NULL) {
+               ret = mlx5_glue->dr_sync_domain(priv->sh->tx_domain, flags);
+               if (ret != 0)
+                       return ret;
+       }
+       if ((domains & MLX5_DOMAIN_BIT_FDB) && priv->sh->fdb_domain != NULL) {
+               ret = mlx5_glue->dr_sync_domain(priv->sh->fdb_domain, flags);
+               if (ret != 0)
+                       return ret;
+       }
+       return 0;
+}
+
 const struct mlx5_flow_driver_ops mlx5_flow_dv_drv_ops = {
        .validate = flow_dv_validate,
        .prepare = flow_dv_prepare,
@@ -11469,6 +12372,11 @@ const struct mlx5_flow_driver_ops mlx5_flow_dv_drv_ops = {
        .counter_free = flow_dv_counter_free,
        .counter_query = flow_dv_counter_query,
        .get_aged_flows = flow_get_aged_flows,
+       .action_validate = flow_dv_action_validate,
+       .action_create = flow_dv_action_create,
+       .action_destroy = flow_dv_action_destroy,
+       .action_update = flow_dv_action_update,
+       .sync_domain = flow_dv_sync_domain,
 };
 
 #endif /* HAVE_IBV_FLOW_DV_SUPPORT */