net/mlx5: validate flow rule item order
[dpdk.git] / drivers / net / mlx5 / mlx5_flow.c
index 87189a3..578d003 100644 (file)
@@ -21,7 +21,6 @@
 
 #include <rte_common.h>
 #include <rte_ether.h>
-#include <rte_eth_ctrl.h>
 #include <rte_ethdev_driver.h>
 #include <rte_flow.h>
 #include <rte_flow_driver.h>
 
 #include "mlx5.h"
 #include "mlx5_defs.h"
-#include "mlx5_prm.h"
-#include "mlx5_glue.h"
 #include "mlx5_flow.h"
+#include "mlx5_glue.h"
+#include "mlx5_prm.h"
+#include "mlx5_rxtx.h"
 
 /* Dev ops structure defined in mlx5.c */
 extern const struct eth_dev_ops mlx5_dev_ops;
@@ -42,7 +42,6 @@ extern const struct eth_dev_ops mlx5_dev_ops_isolate;
 #ifdef HAVE_IBV_FLOW_DV_SUPPORT
 extern const struct mlx5_flow_driver_ops mlx5_flow_dv_drv_ops;
 #endif
-extern const struct mlx5_flow_driver_ops mlx5_flow_tcf_drv_ops;
 extern const struct mlx5_flow_driver_ops mlx5_flow_verbs_drv_ops;
 
 const struct mlx5_flow_driver_ops mlx5_flow_null_drv_ops;
@@ -52,7 +51,6 @@ const struct mlx5_flow_driver_ops *flow_drv_ops[] = {
 #ifdef HAVE_IBV_FLOW_DV_SUPPORT
        [MLX5_FLOW_TYPE_DV] = &mlx5_flow_dv_drv_ops,
 #endif
-       [MLX5_FLOW_TYPE_TCF] = &mlx5_flow_tcf_drv_ops,
        [MLX5_FLOW_TYPE_VERBS] = &mlx5_flow_verbs_drv_ops,
        [MLX5_FLOW_TYPE_MAX] = &mlx5_flow_null_drv_ops
 };
@@ -129,7 +127,9 @@ static const struct rte_flow_expand_node mlx5_support_expansion[] = {
                .next = RTE_FLOW_EXPAND_RSS_NEXT
                        (MLX5_EXPANSION_OUTER_IPV4_UDP,
                         MLX5_EXPANSION_OUTER_IPV4_TCP,
-                        MLX5_EXPANSION_GRE),
+                        MLX5_EXPANSION_GRE,
+                        MLX5_EXPANSION_IPV4,
+                        MLX5_EXPANSION_IPV6),
                .type = RTE_FLOW_ITEM_TYPE_IPV4,
                .rss_types = ETH_RSS_IPV4 | ETH_RSS_FRAG_IPV4 |
                        ETH_RSS_NONFRAG_IPV4_OTHER,
@@ -147,7 +147,9 @@ static const struct rte_flow_expand_node mlx5_support_expansion[] = {
        [MLX5_EXPANSION_OUTER_IPV6] = {
                .next = RTE_FLOW_EXPAND_RSS_NEXT
                        (MLX5_EXPANSION_OUTER_IPV6_UDP,
-                        MLX5_EXPANSION_OUTER_IPV6_TCP),
+                        MLX5_EXPANSION_OUTER_IPV6_TCP,
+                        MLX5_EXPANSION_IPV4,
+                        MLX5_EXPANSION_IPV6),
                .type = RTE_FLOW_ITEM_TYPE_IPV6,
                .rss_types = ETH_RSS_IPV6 | ETH_RSS_FRAG_IPV6 |
                        ETH_RSS_NONFRAG_IPV6_OTHER,
@@ -239,7 +241,6 @@ static const struct rte_flow_ops mlx5_flow_ops = {
 /* Convert FDIR request to Generic flow. */
 struct mlx5_fdir {
        struct rte_flow_attr attr;
-       struct rte_flow_action actions[2];
        struct rte_flow_item items[4];
        struct rte_flow_item_eth l2;
        struct rte_flow_item_eth l2_mask;
@@ -259,6 +260,7 @@ struct mlx5_fdir {
                struct rte_flow_item_udp udp;
                struct rte_flow_item_tcp tcp;
        } l4_mask;
+       struct rte_flow_action actions[2];
        struct rte_flow_action_queue queue;
 };
 
@@ -294,12 +296,24 @@ static struct mlx5_flow_tunnel_info tunnels_info[] = {
        },
        {
                .tunnel = MLX5_FLOW_LAYER_MPLS | MLX5_FLOW_LAYER_OUTER_L4_UDP,
-               .ptype = RTE_PTYPE_TUNNEL_MPLS_IN_GRE | RTE_PTYPE_L4_UDP,
+               .ptype = RTE_PTYPE_TUNNEL_MPLS_IN_UDP | RTE_PTYPE_L4_UDP,
        },
        {
                .tunnel = MLX5_FLOW_LAYER_MPLS,
                .ptype = RTE_PTYPE_TUNNEL_MPLS_IN_GRE,
        },
+       {
+               .tunnel = MLX5_FLOW_LAYER_NVGRE,
+               .ptype = RTE_PTYPE_TUNNEL_NVGRE,
+       },
+       {
+               .tunnel = MLX5_FLOW_LAYER_IPIP,
+               .ptype = RTE_PTYPE_TUNNEL_IP,
+       },
+       {
+               .tunnel = MLX5_FLOW_LAYER_IPV6_ENCAP,
+               .ptype = RTE_PTYPE_TUNNEL_IP,
+       },
 };
 
 /**
@@ -315,6 +329,7 @@ static struct mlx5_flow_tunnel_info tunnels_info[] = {
 int
 mlx5_flow_discover_priorities(struct rte_eth_dev *dev)
 {
+       struct mlx5_priv *priv = dev->data->dev_private;
        struct {
                struct ibv_flow_attr attr;
                struct ibv_flow_spec_eth eth;
@@ -322,6 +337,7 @@ mlx5_flow_discover_priorities(struct rte_eth_dev *dev)
        } flow_attr = {
                .attr = {
                        .num_of_specs = 2,
+                       .port = (uint8_t)priv->ibv_port,
                },
                .eth = {
                        .type = IBV_FLOW_SPEC_ETH,
@@ -350,6 +366,7 @@ mlx5_flow_discover_priorities(struct rte_eth_dev *dev)
                claim_zero(mlx5_glue->destroy_flow(flow));
                priority = vprio[i];
        }
+       mlx5_hrxq_drop_release(dev);
        switch (priority) {
        case 8:
                priority = RTE_DIM(priority_map_3);
@@ -361,10 +378,9 @@ mlx5_flow_discover_priorities(struct rte_eth_dev *dev)
                rte_errno = ENOTSUP;
                DRV_LOG(ERR,
                        "port %u verbs maximum priority: %d expected 8/16",
-                       dev->data->port_id, vprio[i]);
+                       dev->data->port_id, priority);
                return -rte_errno;
        }
-       mlx5_hrxq_drop_release(dev);
        DRV_LOG(INFO, "port %u flow maximum priority: %d",
                dev->data->port_id, priority);
        return priority;
@@ -387,7 +403,7 @@ uint32_t mlx5_flow_adjust_priority(struct rte_eth_dev *dev, int32_t priority,
                                   uint32_t subpriority)
 {
        uint32_t res = 0;
-       struct priv *priv = dev->data->dev_private;
+       struct mlx5_priv *priv = dev->data->dev_private;
 
        switch (priv->config.flow_prio) {
        case RTE_DIM(priority_map_3):
@@ -473,7 +489,7 @@ mlx5_flow_item_acceptable(const struct rte_flow_item *item,
  *   Item hash fields.
  *
  * @return
- *   The hash fileds that should be used.
+ *   The hash fields that should be used.
  */
 uint64_t
 mlx5_flow_hashfields_adjust(struct mlx5_flow *dev_flow,
@@ -536,7 +552,7 @@ flow_rxq_tunnel_ptype_update(struct mlx5_rxq_ctrl *rxq_ctrl)
 static void
 flow_drv_rxq_flags_set(struct rte_eth_dev *dev, struct mlx5_flow *dev_flow)
 {
-       struct priv *priv = dev->data->dev_private;
+       struct mlx5_priv *priv = dev->data->dev_private;
        struct rte_flow *flow = dev_flow->flow;
        const int mark = !!(flow->actions &
                            (MLX5_FLOW_ACTION_FLAG | MLX5_FLOW_ACTION_MARK));
@@ -599,7 +615,7 @@ flow_rxq_flags_set(struct rte_eth_dev *dev, struct rte_flow *flow)
 static void
 flow_drv_rxq_flags_trim(struct rte_eth_dev *dev, struct mlx5_flow *dev_flow)
 {
-       struct priv *priv = dev->data->dev_private;
+       struct mlx5_priv *priv = dev->data->dev_private;
        struct rte_flow *flow = dev_flow->flow;
        const int mark = !!(flow->actions &
                            (MLX5_FLOW_ACTION_FLAG | MLX5_FLOW_ACTION_MARK));
@@ -661,7 +677,7 @@ flow_rxq_flags_trim(struct rte_eth_dev *dev, struct rte_flow *flow)
 static void
 flow_rxq_flags_clear(struct rte_eth_dev *dev)
 {
-       struct priv *priv = dev->data->dev_private;
+       struct mlx5_priv *priv = dev->data->dev_private;
        unsigned int i;
 
        for (i = 0; i != priv->rxqs_n; ++i) {
@@ -680,6 +696,29 @@ flow_rxq_flags_clear(struct rte_eth_dev *dev)
        }
 }
 
+/*
+ * return a pointer to the desired action in the list of actions.
+ *
+ * @param[in] actions
+ *   The list of actions to search the action in.
+ * @param[in] action
+ *   The action to find.
+ *
+ * @return
+ *   Pointer to the action in the list, if found. NULL otherwise.
+ */
+const struct rte_flow_action *
+mlx5_flow_find_action(const struct rte_flow_action *actions,
+                     enum rte_flow_action_type action)
+{
+       if (actions == NULL)
+               return NULL;
+       for (; actions->type != RTE_FLOW_ACTION_TYPE_END; actions++)
+               if (actions->type == action)
+                       return actions;
+       return NULL;
+}
+
 /*
  * Validate the flag action.
  *
@@ -786,7 +825,7 @@ mlx5_flow_validate_action_mark(const struct rte_flow_action *action,
  *   Pointer to error structure.
  *
  * @return
- *   0 on success, a negative errno value otherwise and rte_ernno is set.
+ *   0 on success, a negative errno value otherwise and rte_errno is set.
  */
 int
 mlx5_flow_validate_action_drop(uint64_t action_flags,
@@ -801,7 +840,8 @@ mlx5_flow_validate_action_drop(uint64_t action_flags,
                return rte_flow_error_set(error, EINVAL,
                                          RTE_FLOW_ERROR_TYPE_ACTION, NULL,
                                          "can't drop and mark in same flow");
-       if (action_flags & MLX5_FLOW_FATE_ACTIONS)
+       if (action_flags & (MLX5_FLOW_FATE_ACTIONS |
+                           MLX5_FLOW_FATE_ESWITCH_ACTIONS))
                return rte_flow_error_set(error, EINVAL,
                                          RTE_FLOW_ERROR_TYPE_ACTION, NULL,
                                          "can't have 2 fate actions in"
@@ -829,7 +869,7 @@ mlx5_flow_validate_action_drop(uint64_t action_flags,
  *   Pointer to error structure.
  *
  * @return
- *   0 on success, a negative errno value otherwise and rte_ernno is set.
+ *   0 on success, a negative errno value otherwise and rte_errno is set.
  */
 int
 mlx5_flow_validate_action_queue(const struct rte_flow_action *action,
@@ -838,7 +878,7 @@ mlx5_flow_validate_action_queue(const struct rte_flow_action *action,
                                const struct rte_flow_attr *attr,
                                struct rte_flow_error *error)
 {
-       struct priv *priv = dev->data->dev_private;
+       struct mlx5_priv *priv = dev->data->dev_private;
        const struct rte_flow_action_queue *queue = action->conf;
 
        if (action_flags & MLX5_FLOW_FATE_ACTIONS)
@@ -846,6 +886,10 @@ mlx5_flow_validate_action_queue(const struct rte_flow_action *action,
                                          RTE_FLOW_ERROR_TYPE_ACTION, NULL,
                                          "can't have 2 fate actions in"
                                          " same flow");
+       if (!priv->rxqs_n)
+               return rte_flow_error_set(error, EINVAL,
+                                         RTE_FLOW_ERROR_TYPE_ACTION_CONF,
+                                         NULL, "No Rx queues configured");
        if (queue->index >= priv->rxqs_n)
                return rte_flow_error_set(error, EINVAL,
                                          RTE_FLOW_ERROR_TYPE_ACTION_CONF,
@@ -875,21 +919,25 @@ mlx5_flow_validate_action_queue(const struct rte_flow_action *action,
  *   Pointer to the Ethernet device structure.
  * @param[in] attr
  *   Attributes of flow that includes this action.
+ * @param[in] item_flags
+ *   Items that were detected.
  * @param[out] error
  *   Pointer to error structure.
  *
  * @return
- *   0 on success, a negative errno value otherwise and rte_ernno is set.
+ *   0 on success, a negative errno value otherwise and rte_errno is set.
  */
 int
 mlx5_flow_validate_action_rss(const struct rte_flow_action *action,
                              uint64_t action_flags,
                              struct rte_eth_dev *dev,
                              const struct rte_flow_attr *attr,
+                             uint64_t item_flags,
                              struct rte_flow_error *error)
 {
-       struct priv *priv = dev->data->dev_private;
+       struct mlx5_priv *priv = dev->data->dev_private;
        const struct rte_flow_action_rss *rss = action->conf;
+       int tunnel = !!(item_flags & MLX5_FLOW_LAYER_TUNNEL);
        unsigned int i;
 
        if (action_flags & MLX5_FLOW_FATE_ACTIONS)
@@ -912,7 +960,13 @@ mlx5_flow_validate_action_rss(const struct rte_flow_action *action,
                                          RTE_FLOW_ERROR_TYPE_ACTION_CONF,
                                          &rss->level,
                                          "tunnel RSS is not supported");
-       if (rss->key_len < MLX5_RSS_HASH_KEY_LEN)
+       /* allow RSS key_len 0 in case of NULL (default) RSS key. */
+       if (rss->key_len == 0 && rss->key != NULL)
+               return rte_flow_error_set(error, ENOTSUP,
+                                         RTE_FLOW_ERROR_TYPE_ACTION_CONF,
+                                         &rss->key_len,
+                                         "RSS hash key length 0");
+       if (rss->key_len > 0 && rss->key_len < MLX5_RSS_HASH_KEY_LEN)
                return rte_flow_error_set(error, ENOTSUP,
                                          RTE_FLOW_ERROR_TYPE_ACTION_CONF,
                                          &rss->key_len,
@@ -933,6 +987,14 @@ mlx5_flow_validate_action_rss(const struct rte_flow_action *action,
                                          &rss->types,
                                          "some RSS protocols are not"
                                          " supported");
+       if (!priv->rxqs_n)
+               return rte_flow_error_set(error, EINVAL,
+                                         RTE_FLOW_ERROR_TYPE_ACTION_CONF,
+                                         NULL, "No Rx queues configured");
+       if (!rss->queue_num)
+               return rte_flow_error_set(error, EINVAL,
+                                         RTE_FLOW_ERROR_TYPE_ACTION_CONF,
+                                         NULL, "No queues configured");
        for (i = 0; i != rss->queue_num; ++i) {
                if (!(*priv->rxqs)[rss->queue[i]])
                        return rte_flow_error_set
@@ -944,6 +1006,11 @@ mlx5_flow_validate_action_rss(const struct rte_flow_action *action,
                                          RTE_FLOW_ERROR_TYPE_ATTR_EGRESS, NULL,
                                          "rss action not supported for "
                                          "egress");
+       if (rss->level > 1 &&  !tunnel)
+               return rte_flow_error_set(error, EINVAL,
+                                         RTE_FLOW_ERROR_TYPE_ACTION_CONF, NULL,
+                                         "inner RSS is not supported for "
+                                         "non-tunnel flows");
        return 0;
 }
 
@@ -958,7 +1025,7 @@ mlx5_flow_validate_action_rss(const struct rte_flow_action *action,
  *   Pointer to error structure.
  *
  * @return
- *   0 on success, a negative errno value otherwise and rte_ernno is set.
+ *   0 on success, a negative errno value otherwise and rte_errno is set.
  */
 int
 mlx5_flow_validate_action_count(struct rte_eth_dev *dev __rte_unused,
@@ -992,7 +1059,7 @@ mlx5_flow_validate_attributes(struct rte_eth_dev *dev,
                              const struct rte_flow_attr *attributes,
                              struct rte_flow_error *error)
 {
-       struct priv *priv = dev->data->dev_private;
+       struct mlx5_priv *priv = dev->data->dev_private;
        uint32_t priority_max = priv->config.flow_prio - 1;
 
        if (attributes->group)
@@ -1008,7 +1075,7 @@ mlx5_flow_validate_attributes(struct rte_eth_dev *dev,
                return rte_flow_error_set(error, ENOTSUP,
                                          RTE_FLOW_ERROR_TYPE_ATTR_EGRESS, NULL,
                                          "egress is not supported");
-       if (attributes->transfer)
+       if (attributes->transfer && !priv->config.dv_esw_en)
                return rte_flow_error_set(error, ENOTSUP,
                                          RTE_FLOW_ERROR_TYPE_ATTR_TRANSFER,
                                          NULL, "transfer is not supported");
@@ -1020,6 +1087,110 @@ mlx5_flow_validate_attributes(struct rte_eth_dev *dev,
        return 0;
 }
 
+/**
+ * Validate ICMP6 item.
+ *
+ * @param[in] item
+ *   Item specification.
+ * @param[in] item_flags
+ *   Bit-fields that holds the items detected until now.
+ * @param[out] error
+ *   Pointer to error structure.
+ *
+ * @return
+ *   0 on success, a negative errno value otherwise and rte_errno is set.
+ */
+int
+mlx5_flow_validate_item_icmp6(const struct rte_flow_item *item,
+                              uint64_t item_flags,
+                              uint8_t target_protocol,
+                              struct rte_flow_error *error)
+{
+       const struct rte_flow_item_icmp6 *mask = item->mask;
+       const int tunnel = !!(item_flags & MLX5_FLOW_LAYER_TUNNEL);
+       const uint64_t l3m = tunnel ? MLX5_FLOW_LAYER_INNER_L3_IPV6 :
+                                     MLX5_FLOW_LAYER_OUTER_L3_IPV6;
+       const uint64_t l4m = tunnel ? MLX5_FLOW_LAYER_INNER_L4 :
+                                     MLX5_FLOW_LAYER_OUTER_L4;
+       int ret;
+
+       if (target_protocol != 0xFF && target_protocol != IPPROTO_ICMPV6)
+               return rte_flow_error_set(error, EINVAL,
+                                         RTE_FLOW_ERROR_TYPE_ITEM, item,
+                                         "protocol filtering not compatible"
+                                         " with ICMP6 layer");
+       if (!(item_flags & l3m))
+               return rte_flow_error_set(error, EINVAL,
+                                         RTE_FLOW_ERROR_TYPE_ITEM, item,
+                                         "IPv6 is mandatory to filter on"
+                                         " ICMP6");
+       if (item_flags & l4m)
+               return rte_flow_error_set(error, EINVAL,
+                                         RTE_FLOW_ERROR_TYPE_ITEM, item,
+                                         "multiple L4 layers not supported");
+       if (!mask)
+               mask = &rte_flow_item_icmp6_mask;
+       ret = mlx5_flow_item_acceptable
+               (item, (const uint8_t *)mask,
+                (const uint8_t *)&rte_flow_item_icmp6_mask,
+                sizeof(struct rte_flow_item_icmp6), error);
+       if (ret < 0)
+               return ret;
+       return 0;
+}
+
+/**
+ * Validate ICMP item.
+ *
+ * @param[in] item
+ *   Item specification.
+ * @param[in] item_flags
+ *   Bit-fields that holds the items detected until now.
+ * @param[out] error
+ *   Pointer to error structure.
+ *
+ * @return
+ *   0 on success, a negative errno value otherwise and rte_errno is set.
+ */
+int
+mlx5_flow_validate_item_icmp(const struct rte_flow_item *item,
+                            uint64_t item_flags,
+                            uint8_t target_protocol,
+                            struct rte_flow_error *error)
+{
+       const struct rte_flow_item_icmp *mask = item->mask;
+       const int tunnel = !!(item_flags & MLX5_FLOW_LAYER_TUNNEL);
+       const uint64_t l3m = tunnel ? MLX5_FLOW_LAYER_INNER_L3_IPV4 :
+                                     MLX5_FLOW_LAYER_OUTER_L3_IPV4;
+       const uint64_t l4m = tunnel ? MLX5_FLOW_LAYER_INNER_L4 :
+                                     MLX5_FLOW_LAYER_OUTER_L4;
+       int ret;
+
+       if (target_protocol != 0xFF && target_protocol != IPPROTO_ICMP)
+               return rte_flow_error_set(error, EINVAL,
+                                         RTE_FLOW_ERROR_TYPE_ITEM, item,
+                                         "protocol filtering not compatible"
+                                         " with ICMP layer");
+       if (!(item_flags & l3m))
+               return rte_flow_error_set(error, EINVAL,
+                                         RTE_FLOW_ERROR_TYPE_ITEM, item,
+                                         "IPv4 is mandatory to filter"
+                                         " on ICMP");
+       if (item_flags & l4m)
+               return rte_flow_error_set(error, EINVAL,
+                                         RTE_FLOW_ERROR_TYPE_ITEM, item,
+                                         "multiple L4 layers not supported");
+       if (!mask)
+               mask = &rte_flow_item_icmp_mask;
+       ret = mlx5_flow_item_acceptable
+               (item, (const uint8_t *)mask,
+                (const uint8_t *)&rte_flow_item_icmp_mask,
+                sizeof(struct rte_flow_item_icmp), error);
+       if (ret < 0)
+               return ret;
+       return 0;
+}
+
 /**
  * Validate Ethernet item.
  *
@@ -1046,15 +1217,18 @@ mlx5_flow_validate_item_eth(const struct rte_flow_item *item,
        };
        int ret;
        int tunnel = !!(item_flags & MLX5_FLOW_LAYER_TUNNEL);
+       const uint64_t ethm = tunnel ? MLX5_FLOW_LAYER_INNER_L2 :
+                                      MLX5_FLOW_LAYER_OUTER_L2;
 
-       if (item_flags & MLX5_FLOW_LAYER_OUTER_L2)
+       if (item_flags & ethm)
                return rte_flow_error_set(error, ENOTSUP,
                                          RTE_FLOW_ERROR_TYPE_ITEM, item,
-                                         "3 levels of l2 are not supported");
-       if ((item_flags & MLX5_FLOW_LAYER_INNER_L2) && !tunnel)
-               return rte_flow_error_set(error, ENOTSUP,
+                                         "multiple L2 layers not supported");
+       if (tunnel && (item_flags & MLX5_FLOW_LAYER_INNER_L3))
+               return rte_flow_error_set(error, EINVAL,
                                          RTE_FLOW_ERROR_TYPE_ITEM, item,
-                                         "2 L2 without tunnel are not supported");
+                                         "inner L2 layer should not "
+                                         "follow inner L3 layers");
        if (!mask)
                mask = &rte_flow_item_eth_mask;
        ret = mlx5_flow_item_acceptable(item, (const uint8_t *)mask,
@@ -1071,6 +1245,8 @@ mlx5_flow_validate_item_eth(const struct rte_flow_item *item,
  *   Item specification.
  * @param[in] item_flags
  *   Bit-fields that holds the items detected until now.
+ * @param[in] dev
+ *   Ethernet device flow is being created on.
  * @param[out] error
  *   Pointer to error structure.
  *
@@ -1080,13 +1256,14 @@ mlx5_flow_validate_item_eth(const struct rte_flow_item *item,
 int
 mlx5_flow_validate_item_vlan(const struct rte_flow_item *item,
                             uint64_t item_flags,
+                            struct rte_eth_dev *dev,
                             struct rte_flow_error *error)
 {
        const struct rte_flow_item_vlan *spec = item->spec;
        const struct rte_flow_item_vlan *mask = item->mask;
        const struct rte_flow_item_vlan nic_mask = {
-               .tci = RTE_BE16(0x0fff),
-               .inner_type = RTE_BE16(0xffff),
+               .tci = RTE_BE16(UINT16_MAX),
+               .inner_type = RTE_BE16(UINT16_MAX),
        };
        uint16_t vlan_tag = 0;
        const int tunnel = !!(item_flags & MLX5_FLOW_LAYER_TUNNEL);
@@ -1098,14 +1275,20 @@ mlx5_flow_validate_item_vlan(const struct rte_flow_item *item,
        const uint64_t vlanm = tunnel ? MLX5_FLOW_LAYER_INNER_VLAN :
                                        MLX5_FLOW_LAYER_OUTER_VLAN;
 
+       const uint64_t l2m = tunnel ? MLX5_FLOW_LAYER_INNER_L2 :
+                                     MLX5_FLOW_LAYER_OUTER_L2;
        if (item_flags & vlanm)
                return rte_flow_error_set(error, EINVAL,
                                          RTE_FLOW_ERROR_TYPE_ITEM, item,
-                                         "VLAN layer already configured");
+                                         "multiple VLAN layers not supported");
        else if ((item_flags & l34m) != 0)
                return rte_flow_error_set(error, EINVAL,
                                          RTE_FLOW_ERROR_TYPE_ITEM, item,
                                          "L2 layer cannot follow L3/L4 layer");
+       else if ((item_flags & l2m) == 0)
+               return rte_flow_error_set(error, EINVAL,
+                                         RTE_FLOW_ERROR_TYPE_ITEM, item,
+                                         "no L2 layer before VLAN");
        if (!mask)
                mask = &rte_flow_item_vlan_mask;
        ret = mlx5_flow_item_acceptable(item, (const uint8_t *)mask,
@@ -1114,6 +1297,25 @@ mlx5_flow_validate_item_vlan(const struct rte_flow_item *item,
                                        error);
        if (ret)
                return ret;
+       if (!tunnel && mask->tci != RTE_BE16(0x0fff)) {
+               struct mlx5_priv *priv = dev->data->dev_private;
+
+               if (priv->vmwa_context) {
+                       /*
+                        * Non-NULL context means we have a virtual machine
+                        * and SR-IOV enabled, we have to create VLAN interface
+                        * to make hypervisor to setup E-Switch vport
+                        * context correctly. We avoid creating the multiple
+                        * VLAN interfaces, so we cannot support VLAN tag mask.
+                        */
+                       return rte_flow_error_set(error, EINVAL,
+                                                 RTE_FLOW_ERROR_TYPE_ITEM,
+                                                 item,
+                                                 "VLAN tag mask is not"
+                                                 " supported in virtual"
+                                                 " environment");
+               }
+       }
        if (spec) {
                vlan_tag = spec->tci;
                vlan_tag &= mask->tci;
@@ -1137,6 +1339,9 @@ mlx5_flow_validate_item_vlan(const struct rte_flow_item *item,
  *   Item specification.
  * @param[in] item_flags
  *   Bit-fields that holds the items detected until now.
+ * @param[in] acc_mask
+ *   Acceptable mask, if NULL default internal default mask
+ *   will be used to check whether item fields are supported.
  * @param[out] error
  *   Pointer to error structure.
  *
@@ -1146,9 +1351,11 @@ mlx5_flow_validate_item_vlan(const struct rte_flow_item *item,
 int
 mlx5_flow_validate_item_ipv4(const struct rte_flow_item *item,
                             uint64_t item_flags,
+                            const struct rte_flow_item_ipv4 *acc_mask,
                             struct rte_flow_error *error)
 {
        const struct rte_flow_item_ipv4 *mask = item->mask;
+       const struct rte_flow_item_ipv4 *spec = item->spec;
        const struct rte_flow_item_ipv4 nic_mask = {
                .hdr = {
                        .src_addr = RTE_BE32(0xffffffff),
@@ -1158,22 +1365,57 @@ mlx5_flow_validate_item_ipv4(const struct rte_flow_item *item,
                },
        };
        const int tunnel = !!(item_flags & MLX5_FLOW_LAYER_TUNNEL);
+       const uint64_t l3m = tunnel ? MLX5_FLOW_LAYER_INNER_L3 :
+                                     MLX5_FLOW_LAYER_OUTER_L3;
+       const uint64_t l4m = tunnel ? MLX5_FLOW_LAYER_INNER_L4 :
+                                     MLX5_FLOW_LAYER_OUTER_L4;
        int ret;
+       uint8_t next_proto = 0xFF;
 
-       if (item_flags & (tunnel ? MLX5_FLOW_LAYER_INNER_L3 :
-                                  MLX5_FLOW_LAYER_OUTER_L3))
+       if (item_flags & MLX5_FLOW_LAYER_IPIP) {
+               if (mask && spec)
+                       next_proto = mask->hdr.next_proto_id &
+                                    spec->hdr.next_proto_id;
+               if (next_proto == IPPROTO_IPIP || next_proto == IPPROTO_IPV6)
+                       return rte_flow_error_set(error, EINVAL,
+                                                 RTE_FLOW_ERROR_TYPE_ITEM,
+                                                 item,
+                                                 "multiple tunnel "
+                                                 "not supported");
+       }
+       if (item_flags & MLX5_FLOW_LAYER_IPV6_ENCAP)
+               return rte_flow_error_set(error, EINVAL,
+                                         RTE_FLOW_ERROR_TYPE_ITEM, item,
+                                         "wrong tunnel type - IPv6 specified "
+                                         "but IPv4 item provided");
+       if (item_flags & l3m)
                return rte_flow_error_set(error, ENOTSUP,
                                          RTE_FLOW_ERROR_TYPE_ITEM, item,
                                          "multiple L3 layers not supported");
-       else if (item_flags & (tunnel ? MLX5_FLOW_LAYER_INNER_L4 :
-                                       MLX5_FLOW_LAYER_OUTER_L4))
+       else if (item_flags & l4m)
                return rte_flow_error_set(error, EINVAL,
                                          RTE_FLOW_ERROR_TYPE_ITEM, item,
                                          "L3 cannot follow an L4 layer.");
+       else if ((item_flags & MLX5_FLOW_LAYER_NVGRE) &&
+                 !(item_flags & MLX5_FLOW_LAYER_INNER_L2))
+               return rte_flow_error_set(error, EINVAL,
+                                         RTE_FLOW_ERROR_TYPE_ITEM, item,
+                                         "L3 cannot follow an NVGRE layer.");
+       else if (!tunnel && !(item_flags & MLX5_FLOW_LAYER_OUTER_L2))
+               return rte_flow_error_set(error, EINVAL,
+                                         RTE_FLOW_ERROR_TYPE_ITEM, item,
+                                         "no L2 layer before IPV4");
        if (!mask)
                mask = &rte_flow_item_ipv4_mask;
+       else if (mask->hdr.next_proto_id != 0 &&
+                mask->hdr.next_proto_id != 0xff)
+               return rte_flow_error_set(error, EINVAL,
+                                         RTE_FLOW_ERROR_TYPE_ITEM_MASK, mask,
+                                         "partial mask is not supported"
+                                         " for protocol");
        ret = mlx5_flow_item_acceptable(item, (const uint8_t *)mask,
-                                       (const uint8_t *)&nic_mask,
+                                       acc_mask ? (const uint8_t *)acc_mask
+                                                : (const uint8_t *)&nic_mask,
                                        sizeof(struct rte_flow_item_ipv4),
                                        error);
        if (ret < 0)
@@ -1188,6 +1430,9 @@ mlx5_flow_validate_item_ipv4(const struct rte_flow_item *item,
  *   Item specification.
  * @param[in] item_flags
  *   Bit-fields that holds the items detected until now.
+ * @param[in] acc_mask
+ *   Acceptable mask, if NULL default internal default mask
+ *   will be used to check whether item fields are supported.
  * @param[out] error
  *   Pointer to error structure.
  *
@@ -1197,9 +1442,11 @@ mlx5_flow_validate_item_ipv4(const struct rte_flow_item *item,
 int
 mlx5_flow_validate_item_ipv6(const struct rte_flow_item *item,
                             uint64_t item_flags,
+                            const struct rte_flow_item_ipv6 *acc_mask,
                             struct rte_flow_error *error)
 {
        const struct rte_flow_item_ipv6 *mask = item->mask;
+       const struct rte_flow_item_ipv6 *spec = item->spec;
        const struct rte_flow_item_ipv6 nic_mask = {
                .hdr = {
                        .src_addr =
@@ -1214,33 +1461,50 @@ mlx5_flow_validate_item_ipv6(const struct rte_flow_item *item,
                },
        };
        const int tunnel = !!(item_flags & MLX5_FLOW_LAYER_TUNNEL);
+       const uint64_t l3m = tunnel ? MLX5_FLOW_LAYER_INNER_L3 :
+                                     MLX5_FLOW_LAYER_OUTER_L3;
+       const uint64_t l4m = tunnel ? MLX5_FLOW_LAYER_INNER_L4 :
+                                     MLX5_FLOW_LAYER_OUTER_L4;
        int ret;
+       uint8_t next_proto = 0xFF;
 
-       if (item_flags & (tunnel ? MLX5_FLOW_LAYER_INNER_L3 :
-                                  MLX5_FLOW_LAYER_OUTER_L3))
+       if (item_flags & MLX5_FLOW_LAYER_IPV6_ENCAP) {
+               if (mask && spec)
+                       next_proto = mask->hdr.proto & spec->hdr.proto;
+               if (next_proto == IPPROTO_IPIP || next_proto == IPPROTO_IPV6)
+                       return rte_flow_error_set(error, EINVAL,
+                                                 RTE_FLOW_ERROR_TYPE_ITEM,
+                                                 item,
+                                                 "multiple tunnel "
+                                                 "not supported");
+       }
+       if (item_flags & MLX5_FLOW_LAYER_IPIP)
+               return rte_flow_error_set(error, EINVAL,
+                                         RTE_FLOW_ERROR_TYPE_ITEM, item,
+                                         "wrong tunnel type - IPv4 specified "
+                                         "but IPv6 item provided");
+       if (item_flags & l3m)
                return rte_flow_error_set(error, ENOTSUP,
                                          RTE_FLOW_ERROR_TYPE_ITEM, item,
                                          "multiple L3 layers not supported");
-       else if (item_flags & (tunnel ? MLX5_FLOW_LAYER_INNER_L4 :
-                                       MLX5_FLOW_LAYER_OUTER_L4))
+       else if (item_flags & l4m)
                return rte_flow_error_set(error, EINVAL,
                                          RTE_FLOW_ERROR_TYPE_ITEM, item,
                                          "L3 cannot follow an L4 layer.");
-       /*
-        * IPv6 is not recognised by the NIC inside a GRE tunnel.
-        * Such support has to be disabled as the rule will be
-        * accepted.  Issue reproduced with Mellanox OFED 4.3-3.0.2.1 and
-        * Mellanox OFED 4.4-1.0.0.0.
-        */
-       if (tunnel && item_flags & MLX5_FLOW_LAYER_GRE)
-               return rte_flow_error_set(error, ENOTSUP,
+       else if ((item_flags & MLX5_FLOW_LAYER_NVGRE) &&
+                 !(item_flags & MLX5_FLOW_LAYER_INNER_L2))
+               return rte_flow_error_set(error, EINVAL,
+                                         RTE_FLOW_ERROR_TYPE_ITEM, item,
+                                         "L3 cannot follow an NVGRE layer.");
+       else if (!tunnel && !(item_flags & MLX5_FLOW_LAYER_OUTER_L2))
+               return rte_flow_error_set(error, EINVAL,
                                          RTE_FLOW_ERROR_TYPE_ITEM, item,
-                                         "IPv6 inside a GRE tunnel is"
-                                         " not recognised.");
+                                         "no L2 layer before IPV6");
        if (!mask)
                mask = &rte_flow_item_ipv6_mask;
        ret = mlx5_flow_item_acceptable(item, (const uint8_t *)mask,
-                                       (const uint8_t *)&nic_mask,
+                                       acc_mask ? (const uint8_t *)acc_mask
+                                                : (const uint8_t *)&nic_mask,
                                        sizeof(struct rte_flow_item_ipv6),
                                        error);
        if (ret < 0)
@@ -1258,7 +1522,7 @@ mlx5_flow_validate_item_ipv6(const struct rte_flow_item *item,
  * @param[in] target_protocol
  *   The next protocol in the previous item.
  * @param[in] flow_mask
- *   mlx5 flow-specific (TCF, DV, verbs, etc.) supported header fields mask.
+ *   mlx5 flow-specific (DV, verbs, etc.) supported header fields mask.
  * @param[out] error
  *   Pointer to error structure.
  *
@@ -1273,6 +1537,10 @@ mlx5_flow_validate_item_udp(const struct rte_flow_item *item,
 {
        const struct rte_flow_item_udp *mask = item->mask;
        const int tunnel = !!(item_flags & MLX5_FLOW_LAYER_TUNNEL);
+       const uint64_t l3m = tunnel ? MLX5_FLOW_LAYER_INNER_L3 :
+                                     MLX5_FLOW_LAYER_OUTER_L3;
+       const uint64_t l4m = tunnel ? MLX5_FLOW_LAYER_INNER_L4 :
+                                     MLX5_FLOW_LAYER_OUTER_L4;
        int ret;
 
        if (target_protocol != 0xff && target_protocol != IPPROTO_UDP)
@@ -1280,16 +1548,14 @@ mlx5_flow_validate_item_udp(const struct rte_flow_item *item,
                                          RTE_FLOW_ERROR_TYPE_ITEM, item,
                                          "protocol filtering not compatible"
                                          " with UDP layer");
-       if (!(item_flags & (tunnel ? MLX5_FLOW_LAYER_INNER_L3 :
-                                    MLX5_FLOW_LAYER_OUTER_L3)))
+       if (!(item_flags & l3m))
                return rte_flow_error_set(error, EINVAL,
                                          RTE_FLOW_ERROR_TYPE_ITEM, item,
                                          "L3 is mandatory to filter on L4");
-       if (item_flags & (tunnel ? MLX5_FLOW_LAYER_INNER_L4 :
-                                  MLX5_FLOW_LAYER_OUTER_L4))
+       if (item_flags & l4m)
                return rte_flow_error_set(error, EINVAL,
                                          RTE_FLOW_ERROR_TYPE_ITEM, item,
-                                         "L4 layer is already present");
+                                         "multiple L4 layers not supported");
        if (!mask)
                mask = &rte_flow_item_udp_mask;
        ret = mlx5_flow_item_acceptable
@@ -1325,6 +1591,10 @@ mlx5_flow_validate_item_tcp(const struct rte_flow_item *item,
 {
        const struct rte_flow_item_tcp *mask = item->mask;
        const int tunnel = !!(item_flags & MLX5_FLOW_LAYER_TUNNEL);
+       const uint64_t l3m = tunnel ? MLX5_FLOW_LAYER_INNER_L3 :
+                                     MLX5_FLOW_LAYER_OUTER_L3;
+       const uint64_t l4m = tunnel ? MLX5_FLOW_LAYER_INNER_L4 :
+                                     MLX5_FLOW_LAYER_OUTER_L4;
        int ret;
 
        assert(flow_mask);
@@ -1333,16 +1603,14 @@ mlx5_flow_validate_item_tcp(const struct rte_flow_item *item,
                                          RTE_FLOW_ERROR_TYPE_ITEM, item,
                                          "protocol filtering not compatible"
                                          " with TCP layer");
-       if (!(item_flags & (tunnel ? MLX5_FLOW_LAYER_INNER_L3 :
-                                    MLX5_FLOW_LAYER_OUTER_L3)))
+       if (!(item_flags & l3m))
                return rte_flow_error_set(error, EINVAL,
                                          RTE_FLOW_ERROR_TYPE_ITEM, item,
                                          "L3 is mandatory to filter on L4");
-       if (item_flags & (tunnel ? MLX5_FLOW_LAYER_INNER_L4 :
-                                  MLX5_FLOW_LAYER_OUTER_L4))
+       if (item_flags & l4m)
                return rte_flow_error_set(error, EINVAL,
                                          RTE_FLOW_ERROR_TYPE_ITEM, item,
-                                         "L4 layer is already present");
+                                         "multiple L4 layers not supported");
        if (!mask)
                mask = &rte_flow_item_tcp_mask;
        ret = mlx5_flow_item_acceptable
@@ -1387,7 +1655,8 @@ mlx5_flow_validate_item_vxlan(const struct rte_flow_item *item,
        if (item_flags & MLX5_FLOW_LAYER_TUNNEL)
                return rte_flow_error_set(error, ENOTSUP,
                                          RTE_FLOW_ERROR_TYPE_ITEM, item,
-                                         "a tunnel is already present");
+                                         "multiple tunnel layers not"
+                                         " supported");
        /*
         * Verify only UDPv4 is present as defined in
         * https://tools.ietf.org/html/rfc7348
@@ -1454,7 +1723,7 @@ mlx5_flow_validate_item_vxlan_gpe(const struct rte_flow_item *item,
                                  struct rte_eth_dev *dev,
                                  struct rte_flow_error *error)
 {
-       struct priv *priv = dev->data->dev_private;
+       struct mlx5_priv *priv = dev->data->dev_private;
        const struct rte_flow_item_vxlan_gpe *spec = item->spec;
        const struct rte_flow_item_vxlan_gpe *mask = item->mask;
        int ret;
@@ -1473,7 +1742,8 @@ mlx5_flow_validate_item_vxlan_gpe(const struct rte_flow_item *item,
        if (item_flags & MLX5_FLOW_LAYER_TUNNEL)
                return rte_flow_error_set(error, ENOTSUP,
                                          RTE_FLOW_ERROR_TYPE_ITEM, item,
-                                         "a tunnel is already present");
+                                         "multiple tunnel layers not"
+                                         " supported");
        /*
         * Verify only UDPv4 is present as defined in
         * https://tools.ietf.org/html/rfc7348
@@ -1522,6 +1792,61 @@ mlx5_flow_validate_item_vxlan_gpe(const struct rte_flow_item *item,
                                          " defined");
        return 0;
 }
+/**
+ * Validate GRE Key item.
+ *
+ * @param[in] item
+ *   Item specification.
+ * @param[in] item_flags
+ *   Bit flags to mark detected items.
+ * @param[in] gre_item
+ *   Pointer to gre_item
+ * @param[out] error
+ *   Pointer to error structure.
+ *
+ * @return
+ *   0 on success, a negative errno value otherwise and rte_errno is set.
+ */
+int
+mlx5_flow_validate_item_gre_key(const struct rte_flow_item *item,
+                               uint64_t item_flags,
+                               const struct rte_flow_item *gre_item,
+                               struct rte_flow_error *error)
+{
+       const rte_be32_t *mask = item->mask;
+       int ret = 0;
+       rte_be32_t gre_key_default_mask = RTE_BE32(UINT32_MAX);
+       const struct rte_flow_item_gre *gre_spec = gre_item->spec;
+       const struct rte_flow_item_gre *gre_mask = gre_item->mask;
+
+       if (item_flags & MLX5_FLOW_LAYER_GRE_KEY)
+               return rte_flow_error_set(error, ENOTSUP,
+                                         RTE_FLOW_ERROR_TYPE_ITEM, item,
+                                         "Multiple GRE key not support");
+       if (!(item_flags & MLX5_FLOW_LAYER_GRE))
+               return rte_flow_error_set(error, ENOTSUP,
+                                         RTE_FLOW_ERROR_TYPE_ITEM, item,
+                                         "No preceding GRE header");
+       if (item_flags & MLX5_FLOW_LAYER_INNER)
+               return rte_flow_error_set(error, ENOTSUP,
+                                         RTE_FLOW_ERROR_TYPE_ITEM, item,
+                                         "GRE key following a wrong item");
+       if (!gre_mask)
+               gre_mask = &rte_flow_item_gre_mask;
+       if (gre_spec && (gre_mask->c_rsvd0_ver & RTE_BE16(0x2000)) &&
+                        !(gre_spec->c_rsvd0_ver & RTE_BE16(0x2000)))
+               return rte_flow_error_set(error, EINVAL,
+                                         RTE_FLOW_ERROR_TYPE_ITEM, item,
+                                         "Key bit must be on");
+
+       if (!mask)
+               mask = &gre_key_default_mask;
+       ret = mlx5_flow_item_acceptable
+               (item, (const uint8_t *)mask,
+                (const uint8_t *)&gre_key_default_mask,
+                sizeof(rte_be32_t), error);
+       return ret;
+}
 
 /**
  * Validate GRE item.
@@ -1547,6 +1872,10 @@ mlx5_flow_validate_item_gre(const struct rte_flow_item *item,
        const struct rte_flow_item_gre *spec __rte_unused = item->spec;
        const struct rte_flow_item_gre *mask = item->mask;
        int ret;
+       const struct rte_flow_item_gre nic_mask = {
+               .c_rsvd0_ver = RTE_BE16(0xB000),
+               .protocol = RTE_BE16(UINT16_MAX),
+       };
 
        if (target_protocol != 0xff && target_protocol != IPPROTO_GRE)
                return rte_flow_error_set(error, EINVAL,
@@ -1556,7 +1885,8 @@ mlx5_flow_validate_item_gre(const struct rte_flow_item *item,
        if (item_flags & MLX5_FLOW_LAYER_TUNNEL)
                return rte_flow_error_set(error, ENOTSUP,
                                          RTE_FLOW_ERROR_TYPE_ITEM, item,
-                                         "a tunnel is already present");
+                                         "multiple tunnel layers not"
+                                         " supported");
        if (!(item_flags & MLX5_FLOW_LAYER_OUTER_L3))
                return rte_flow_error_set(error, ENOTSUP,
                                          RTE_FLOW_ERROR_TYPE_ITEM, item,
@@ -1565,10 +1895,11 @@ mlx5_flow_validate_item_gre(const struct rte_flow_item *item,
                mask = &rte_flow_item_gre_mask;
        ret = mlx5_flow_item_acceptable
                (item, (const uint8_t *)mask,
-                (const uint8_t *)&rte_flow_item_gre_mask,
+                (const uint8_t *)&nic_mask,
                 sizeof(struct rte_flow_item_gre), error);
        if (ret < 0)
                return ret;
+#ifndef HAVE_MLX5DV_DR
 #ifndef HAVE_IBV_DEVICE_MPLS_SUPPORT
        if (spec && (spec->protocol & mask->protocol))
                return rte_flow_error_set(error, ENOTSUP,
@@ -1576,6 +1907,7 @@ mlx5_flow_validate_item_gre(const struct rte_flow_item *item,
                                          "without MPLS support the"
                                          " specification cannot be used for"
                                          " filtering");
+#endif
 #endif
        return 0;
 }
@@ -1583,12 +1915,14 @@ mlx5_flow_validate_item_gre(const struct rte_flow_item *item,
 /**
  * Validate MPLS item.
  *
+ * @param[in] dev
+ *   Pointer to the rte_eth_dev structure.
  * @param[in] item
  *   Item specification.
  * @param[in] item_flags
  *   Bit-fields that holds the items detected until now.
- * @param[in] target_protocol
- *   The next protocol in the previous item.
+ * @param[in] prev_layer
+ *   The protocol layer indicated in previous item.
  * @param[out] error
  *   Pointer to error structure.
  *
@@ -1596,25 +1930,38 @@ mlx5_flow_validate_item_gre(const struct rte_flow_item *item,
  *   0 on success, a negative errno value otherwise and rte_errno is set.
  */
 int
-mlx5_flow_validate_item_mpls(const struct rte_flow_item *item __rte_unused,
+mlx5_flow_validate_item_mpls(struct rte_eth_dev *dev __rte_unused,
+                            const struct rte_flow_item *item __rte_unused,
                             uint64_t item_flags __rte_unused,
-                            uint8_t target_protocol __rte_unused,
+                            uint64_t prev_layer __rte_unused,
                             struct rte_flow_error *error)
 {
 #ifdef HAVE_IBV_DEVICE_MPLS_SUPPORT
        const struct rte_flow_item_mpls *mask = item->mask;
+       struct mlx5_priv *priv = dev->data->dev_private;
        int ret;
 
-       if (target_protocol != 0xff && target_protocol != IPPROTO_MPLS)
+       if (!priv->config.mpls_en)
+               return rte_flow_error_set(error, ENOTSUP,
+                                         RTE_FLOW_ERROR_TYPE_ITEM, item,
+                                         "MPLS not supported or"
+                                         " disabled in firmware"
+                                         " configuration.");
+       /* MPLS over IP, UDP, GRE is allowed */
+       if (!(prev_layer & (MLX5_FLOW_LAYER_OUTER_L3 |
+                           MLX5_FLOW_LAYER_OUTER_L4_UDP |
+                           MLX5_FLOW_LAYER_GRE)))
                return rte_flow_error_set(error, EINVAL,
                                          RTE_FLOW_ERROR_TYPE_ITEM, item,
                                          "protocol filtering not compatible"
                                          " with MPLS layer");
-       if (item_flags & MLX5_FLOW_LAYER_TUNNEL)
+       /* Multi-tunnel isn't allowed but MPLS over GRE is an exception. */
+       if ((item_flags & MLX5_FLOW_LAYER_TUNNEL) &&
+           !(item_flags & MLX5_FLOW_LAYER_GRE))
                return rte_flow_error_set(error, ENOTSUP,
                                          RTE_FLOW_ERROR_TYPE_ITEM, item,
-                                         "a tunnel is already"
-                                         " present");
+                                         "multiple tunnel layers not"
+                                         " supported");
        if (!mask)
                mask = &rte_flow_item_mpls_mask;
        ret = mlx5_flow_item_acceptable
@@ -1631,26 +1978,75 @@ mlx5_flow_validate_item_mpls(const struct rte_flow_item *item __rte_unused,
                                  " update.");
 }
 
+/**
+ * Validate NVGRE item.
+ *
+ * @param[in] item
+ *   Item specification.
+ * @param[in] item_flags
+ *   Bit flags to mark detected items.
+ * @param[in] target_protocol
+ *   The next protocol in the previous item.
+ * @param[out] error
+ *   Pointer to error structure.
+ *
+ * @return
+ *   0 on success, a negative errno value otherwise and rte_errno is set.
+ */
+int
+mlx5_flow_validate_item_nvgre(const struct rte_flow_item *item,
+                             uint64_t item_flags,
+                             uint8_t target_protocol,
+                             struct rte_flow_error *error)
+{
+       const struct rte_flow_item_nvgre *mask = item->mask;
+       int ret;
+
+       if (target_protocol != 0xff && target_protocol != IPPROTO_GRE)
+               return rte_flow_error_set(error, EINVAL,
+                                         RTE_FLOW_ERROR_TYPE_ITEM, item,
+                                         "protocol filtering not compatible"
+                                         " with this GRE layer");
+       if (item_flags & MLX5_FLOW_LAYER_TUNNEL)
+               return rte_flow_error_set(error, ENOTSUP,
+                                         RTE_FLOW_ERROR_TYPE_ITEM, item,
+                                         "multiple tunnel layers not"
+                                         " supported");
+       if (!(item_flags & MLX5_FLOW_LAYER_OUTER_L3))
+               return rte_flow_error_set(error, ENOTSUP,
+                                         RTE_FLOW_ERROR_TYPE_ITEM, item,
+                                         "L3 Layer is missing");
+       if (!mask)
+               mask = &rte_flow_item_nvgre_mask;
+       ret = mlx5_flow_item_acceptable
+               (item, (const uint8_t *)mask,
+                (const uint8_t *)&rte_flow_item_nvgre_mask,
+                sizeof(struct rte_flow_item_nvgre), error);
+       if (ret < 0)
+               return ret;
+       return 0;
+}
+
 static int
 flow_null_validate(struct rte_eth_dev *dev __rte_unused,
                   const struct rte_flow_attr *attr __rte_unused,
                   const struct rte_flow_item items[] __rte_unused,
                   const struct rte_flow_action actions[] __rte_unused,
-                  struct rte_flow_error *error __rte_unused)
+                  bool external __rte_unused,
+                  struct rte_flow_error *error)
 {
-       rte_errno = ENOTSUP;
-       return -rte_errno;
+       return rte_flow_error_set(error, ENOTSUP,
+                                 RTE_FLOW_ERROR_TYPE_UNSPECIFIED, NULL, NULL);
 }
 
 static struct mlx5_flow *
 flow_null_prepare(const struct rte_flow_attr *attr __rte_unused,
                  const struct rte_flow_item items[] __rte_unused,
                  const struct rte_flow_action actions[] __rte_unused,
-                 uint64_t *item_flags __rte_unused,
-                 uint64_t *action_flags __rte_unused,
-                 struct rte_flow_error *error __rte_unused)
+                 struct rte_flow_error *error)
 {
-       rte_errno = ENOTSUP;
+       rte_flow_error_set(error, ENOTSUP,
+                          RTE_FLOW_ERROR_TYPE_UNSPECIFIED, NULL, NULL);
        return NULL;
 }
 
@@ -1660,19 +2056,19 @@ flow_null_translate(struct rte_eth_dev *dev __rte_unused,
                    const struct rte_flow_attr *attr __rte_unused,
                    const struct rte_flow_item items[] __rte_unused,
                    const struct rte_flow_action actions[] __rte_unused,
-                   struct rte_flow_error *error __rte_unused)
+                   struct rte_flow_error *error)
 {
-       rte_errno = ENOTSUP;
-       return -rte_errno;
+       return rte_flow_error_set(error, ENOTSUP,
+                                 RTE_FLOW_ERROR_TYPE_UNSPECIFIED, NULL, NULL);
 }
 
 static int
 flow_null_apply(struct rte_eth_dev *dev __rte_unused,
                struct rte_flow *flow __rte_unused,
-               struct rte_flow_error *error __rte_unused)
+               struct rte_flow_error *error)
 {
-       rte_errno = ENOTSUP;
-       return -rte_errno;
+       return rte_flow_error_set(error, ENOTSUP,
+                                 RTE_FLOW_ERROR_TYPE_UNSPECIFIED, NULL, NULL);
 }
 
 static void
@@ -1692,10 +2088,10 @@ flow_null_query(struct rte_eth_dev *dev __rte_unused,
                struct rte_flow *flow __rte_unused,
                const struct rte_flow_action *actions __rte_unused,
                void *data __rte_unused,
-               struct rte_flow_error *error __rte_unused)
+               struct rte_flow_error *error)
 {
-       rte_errno = ENOTSUP;
-       return -rte_errno;
+       return rte_flow_error_set(error, ENOTSUP,
+                                 RTE_FLOW_ERROR_TYPE_UNSPECIFIED, NULL, NULL);
 }
 
 /* Void driver to protect from null pointer reference. */
@@ -1724,12 +2120,12 @@ const struct mlx5_flow_driver_ops mlx5_flow_null_drv_ops = {
 static enum mlx5_flow_drv_type
 flow_get_drv_type(struct rte_eth_dev *dev, const struct rte_flow_attr *attr)
 {
-       struct priv *priv = dev->data->dev_private;
+       struct mlx5_priv *priv = dev->data->dev_private;
        enum mlx5_flow_drv_type type = MLX5_FLOW_TYPE_MAX;
 
-       if (attr->transfer)
-               type = MLX5_FLOW_TYPE_TCF;
-       else
+       if (attr->transfer && priv->config.dv_esw_en)
+               type = MLX5_FLOW_TYPE_DV;
+       if (!attr->transfer)
                type = priv->config.dv_flow_en ? MLX5_FLOW_TYPE_DV :
                                                 MLX5_FLOW_TYPE_VERBS;
        return type;
@@ -1749,24 +2145,26 @@ flow_get_drv_type(struct rte_eth_dev *dev, const struct rte_flow_attr *attr)
  *   Pointer to the list of items.
  * @param[in] actions
  *   Pointer to the list of actions.
+ * @param[in] external
+ *   This flow rule is created by request external to PMD.
  * @param[out] error
  *   Pointer to the error structure.
  *
  * @return
- *   0 on success, a negative errno value otherwise and rte_ernno is set.
+ *   0 on success, a negative errno value otherwise and rte_errno is set.
  */
 static inline int
 flow_drv_validate(struct rte_eth_dev *dev,
                  const struct rte_flow_attr *attr,
                  const struct rte_flow_item items[],
                  const struct rte_flow_action actions[],
-                 struct rte_flow_error *error)
+                 bool external, struct rte_flow_error *error)
 {
        const struct mlx5_flow_driver_ops *fops;
        enum mlx5_flow_drv_type type = flow_get_drv_type(dev, attr);
 
        fops = flow_get_drv_ops(type);
-       return fops->validate(dev, attr, items, actions, error);
+       return fops->validate(dev, attr, items, actions, external, error);
 }
 
 /**
@@ -1775,29 +2173,30 @@ flow_drv_validate(struct rte_eth_dev *dev,
  * calculates the size of memory required for device flow, allocates the memory,
  * initializes the device flow and returns the pointer.
  *
+ * @note
+ *   This function initializes device flow structure such as dv or verbs in
+ *   struct mlx5_flow. However, it is caller's responsibility to initialize the
+ *   rest. For example, adding returning device flow to flow->dev_flow list and
+ *   setting backward reference to the flow should be done out of this function.
+ *   layers field is not filled either.
+ *
  * @param[in] attr
  *   Pointer to the flow attributes.
  * @param[in] items
  *   Pointer to the list of items.
  * @param[in] actions
  *   Pointer to the list of actions.
- * @param[out] item_flags
- *   Pointer to bit mask of all items detected.
- * @param[out] action_flags
- *   Pointer to bit mask of all actions detected.
  * @param[out] error
  *   Pointer to the error structure.
  *
  * @return
- *   Pointer to device flow on success, otherwise NULL and rte_ernno is set.
+ *   Pointer to device flow on success, otherwise NULL and rte_errno is set.
  */
 static inline struct mlx5_flow *
-flow_drv_prepare(struct rte_flow *flow,
+flow_drv_prepare(const struct rte_flow *flow,
                 const struct rte_flow_attr *attr,
                 const struct rte_flow_item items[],
                 const struct rte_flow_action actions[],
-                uint64_t *item_flags,
-                uint64_t *action_flags,
                 struct rte_flow_error *error)
 {
        const struct mlx5_flow_driver_ops *fops;
@@ -1805,8 +2204,7 @@ flow_drv_prepare(struct rte_flow *flow,
 
        assert(type > MLX5_FLOW_TYPE_MIN && type < MLX5_FLOW_TYPE_MAX);
        fops = flow_get_drv_ops(type);
-       return fops->prepare(attr, items, actions, item_flags, action_flags,
-                            error);
+       return fops->prepare(attr, items, actions, error);
 }
 
 /**
@@ -1815,6 +2213,12 @@ flow_drv_prepare(struct rte_flow *flow,
  * translates a generic flow into a driver flow. flow_drv_prepare() must
  * precede.
  *
+ * @note
+ *   dev_flow->layers could be filled as a result of parsing during translation
+ *   if needed by flow_drv_apply(). dev_flow->flow->actions can also be filled
+ *   if necessary. As a flow can have multiple dev_flows by RSS flow expansion,
+ *   flow->actions could be overwritten even though all the expanded dev_flows
+ *   have the same actions.
  *
  * @param[in] dev
  *   Pointer to the rte dev structure.
@@ -1830,7 +2234,7 @@ flow_drv_prepare(struct rte_flow *flow,
  *   Pointer to the error structure.
  *
  * @return
- *   0 on success, a negative errno value otherwise and rte_ernno is set.
+ *   0 on success, a negative errno value otherwise and rte_errno is set.
  */
 static inline int
 flow_drv_translate(struct rte_eth_dev *dev, struct mlx5_flow *dev_flow,
@@ -1878,7 +2282,7 @@ flow_drv_apply(struct rte_eth_dev *dev, struct rte_flow *flow,
  * Flow driver remove API. This abstracts calling driver specific functions.
  * Parent flow (rte_flow) should have driver type (drv_type). It removes a flow
  * on device. All the resources of the flow should be freed by calling
- * flow_dv_destroy().
+ * flow_drv_destroy().
  *
  * @param[in] dev
  *   Pointer to Ethernet device.
@@ -1932,7 +2336,7 @@ mlx5_flow_validate(struct rte_eth_dev *dev,
 {
        int ret;
 
-       ret = flow_drv_validate(dev, attr, items, actions, error);
+       ret = flow_drv_validate(dev, attr, items, actions, true, error);
        if (ret < 0)
                return ret;
        return 0;
@@ -1994,6 +2398,8 @@ find_graph_root(const struct rte_flow_item pattern[], uint32_t rss_level)
  *   Pattern specification (list terminated by the END pattern item).
  * @param[in] actions
  *   Associated actions (list terminated by the END action).
+ * @param[in] external
+ *   This flow rule is created by request external to PMD.
  * @param[out] error
  *   Perform verbose error reporting if not NULL.
  *
@@ -2005,12 +2411,10 @@ flow_list_create(struct rte_eth_dev *dev, struct mlx5_flows *list,
                 const struct rte_flow_attr *attr,
                 const struct rte_flow_item items[],
                 const struct rte_flow_action actions[],
-                struct rte_flow_error *error)
+                bool external, struct rte_flow_error *error)
 {
        struct rte_flow *flow = NULL;
        struct mlx5_flow *dev_flow;
-       uint64_t action_flags = 0;
-       uint64_t item_flags = 0;
        const struct rte_flow_action_rss *rss;
        union {
                struct rte_flow_expand_rss buf;
@@ -2021,7 +2425,7 @@ flow_list_create(struct rte_eth_dev *dev, struct mlx5_flows *list,
        uint32_t i;
        uint32_t flow_size;
 
-       ret = flow_drv_validate(dev, attr, items, actions, error);
+       ret = flow_drv_validate(dev, attr, items, actions, external, error);
        if (ret < 0)
                return NULL;
        flow_size = sizeof(struct rte_flow);
@@ -2032,7 +2436,13 @@ flow_list_create(struct rte_eth_dev *dev, struct mlx5_flows *list,
        else
                flow_size += RTE_ALIGN_CEIL(sizeof(uint16_t), sizeof(void *));
        flow = rte_calloc(__func__, 1, flow_size, 0);
+       if (!flow) {
+               rte_errno = ENOMEM;
+               return NULL;
+       }
        flow->drv_type = flow_get_drv_type(dev, attr);
+       flow->ingress = attr->ingress;
+       flow->transfer = attr->transfer;
        assert(flow->drv_type > MLX5_FLOW_TYPE_MIN &&
               flow->drv_type < MLX5_FLOW_TYPE_MAX);
        flow->queue = (void *)(flow + 1);
@@ -2053,16 +2463,11 @@ flow_list_create(struct rte_eth_dev *dev, struct mlx5_flows *list,
        }
        for (i = 0; i < buf->entries; ++i) {
                dev_flow = flow_drv_prepare(flow, attr, buf->entry[i].pattern,
-                                           actions, &item_flags, &action_flags,
-                                           error);
+                                           actions, error);
                if (!dev_flow)
                        goto error;
                dev_flow->flow = flow;
-               dev_flow->layers = item_flags;
-               /* Store actions once as expanded flows have same actions. */
-               if (i == 0)
-                       flow->actions = action_flags;
-               assert(flow->actions == action_flags);
+               dev_flow->external = external;
                LIST_INSERT_HEAD(&flow->dev_flows, dev_flow, next);
                ret = flow_drv_translate(dev, dev_flow, attr,
                                         buf->entry[i].pattern,
@@ -2087,6 +2492,55 @@ error:
        return NULL;
 }
 
+/**
+ * Create a dedicated flow rule on e-switch table 0 (root table), to direct all
+ * incoming packets to table 1.
+ *
+ * Other flow rules, requested for group n, will be created in
+ * e-switch table n+1.
+ * Jump action to e-switch group n will be created to group n+1.
+ *
+ * Used when working in switchdev mode, to utilise advantages of table 1
+ * and above.
+ *
+ * @param dev
+ *   Pointer to Ethernet device.
+ *
+ * @return
+ *   Pointer to flow on success, NULL otherwise and rte_errno is set.
+ */
+struct rte_flow *
+mlx5_flow_create_esw_table_zero_flow(struct rte_eth_dev *dev)
+{
+       const struct rte_flow_attr attr = {
+               .group = 0,
+               .priority = 0,
+               .ingress = 1,
+               .egress = 0,
+               .transfer = 1,
+       };
+       const struct rte_flow_item pattern = {
+               .type = RTE_FLOW_ITEM_TYPE_END,
+       };
+       struct rte_flow_action_jump jump = {
+               .group = 1,
+       };
+       const struct rte_flow_action actions[] = {
+               {
+                       .type = RTE_FLOW_ACTION_TYPE_JUMP,
+                       .conf = &jump,
+               },
+               {
+                       .type = RTE_FLOW_ACTION_TYPE_END,
+               },
+       };
+       struct mlx5_priv *priv = dev->data->dev_private;
+       struct rte_flow_error error;
+
+       return flow_list_create(dev, &priv->ctrl_flows, &attr, &pattern,
+                               actions, false, &error);
+}
+
 /**
  * Create a flow.
  *
@@ -2100,9 +2554,10 @@ mlx5_flow_create(struct rte_eth_dev *dev,
                 const struct rte_flow_action actions[],
                 struct rte_flow_error *error)
 {
-       return flow_list_create(dev,
-                               &((struct priv *)dev->data->dev_private)->flows,
-                               attr, items, actions, error);
+       struct mlx5_priv *priv = dev->data->dev_private;
+
+       return flow_list_create(dev, &priv->flows,
+                               attr, items, actions, true, error);
 }
 
 /**
@@ -2119,14 +2574,15 @@ static void
 flow_list_destroy(struct rte_eth_dev *dev, struct mlx5_flows *list,
                  struct rte_flow *flow)
 {
-       flow_drv_destroy(dev, flow);
-       TAILQ_REMOVE(list, flow, next);
        /*
         * Update RX queue flags only if port is started, otherwise it is
         * already clean.
         */
        if (dev->data->dev_started)
                flow_rxq_flags_trim(dev, flow);
+       flow_drv_destroy(dev, flow);
+       TAILQ_REMOVE(list, flow, next);
+       rte_free(flow->fdir);
        rte_free(flow);
 }
 
@@ -2210,7 +2666,7 @@ error:
 int
 mlx5_flow_verify(struct rte_eth_dev *dev)
 {
-       struct priv *priv = dev->data->dev_private;
+       struct mlx5_priv *priv = dev->data->dev_private;
        struct rte_flow *flow;
        int ret = 0;
 
@@ -2246,7 +2702,7 @@ mlx5_ctrl_flow_vlan(struct rte_eth_dev *dev,
                    struct rte_flow_item_vlan *vlan_spec,
                    struct rte_flow_item_vlan *vlan_mask)
 {
-       struct priv *priv = dev->data->dev_private;
+       struct mlx5_priv *priv = dev->data->dev_private;
        const struct rte_flow_attr attr = {
                .ingress = 1,
                .priority = MLX5_FLOW_PRIO_RSVD,
@@ -2292,14 +2748,13 @@ mlx5_ctrl_flow_vlan(struct rte_eth_dev *dev,
        struct rte_flow_error error;
        unsigned int i;
 
-       if (!priv->reta_idx_n) {
-               rte_errno = EINVAL;
-               return -rte_errno;
+       if (!priv->reta_idx_n || !priv->rxqs_n) {
+               return 0;
        }
        for (i = 0; i != priv->reta_idx_n; ++i)
                queue[i] = (*priv->reta_idx)[i];
        flow = flow_list_create(dev, &priv->ctrl_flows,
-                               &attr, items, actions, &error);
+                               &attr, items, actions, false, &error);
        if (!flow)
                return -rte_errno;
        return 0;
@@ -2337,7 +2792,7 @@ mlx5_flow_destroy(struct rte_eth_dev *dev,
                  struct rte_flow *flow,
                  struct rte_flow_error *error __rte_unused)
 {
-       struct priv *priv = dev->data->dev_private;
+       struct mlx5_priv *priv = dev->data->dev_private;
 
        flow_list_destroy(dev, &priv->flows, flow);
        return 0;
@@ -2353,7 +2808,7 @@ int
 mlx5_flow_flush(struct rte_eth_dev *dev,
                struct rte_flow_error *error __rte_unused)
 {
-       struct priv *priv = dev->data->dev_private;
+       struct mlx5_priv *priv = dev->data->dev_private;
 
        mlx5_flow_list_flush(dev, &priv->flows);
        return 0;
@@ -2370,7 +2825,7 @@ mlx5_flow_isolate(struct rte_eth_dev *dev,
                  int enable,
                  struct rte_flow_error *error)
 {
-       struct priv *priv = dev->data->dev_private;
+       struct mlx5_priv *priv = dev->data->dev_private;
 
        if (dev->data->dev_started) {
                rte_flow_error_set(error, EBUSY,
@@ -2444,11 +2899,11 @@ mlx5_flow_query(struct rte_eth_dev *dev,
  *   0 on success, a negative errno value otherwise and rte_errno is set.
  */
 static int
-mlx5_fdir_filter_convert(struct rte_eth_dev *dev,
+flow_fdir_filter_convert(struct rte_eth_dev *dev,
                         const struct rte_eth_fdir_filter *fdir_filter,
                         struct mlx5_fdir *attributes)
 {
-       struct priv *priv = dev->data->dev_private;
+       struct mlx5_priv *priv = dev->data->dev_private;
        const struct rte_eth_fdir_input *input = &fdir_filter->input;
        const struct rte_eth_fdir_masks *mask =
                &dev->data->dev_conf.fdir_conf.mask;
@@ -2491,13 +2946,13 @@ mlx5_fdir_filter_convert(struct rte_eth_dev *dev,
        case RTE_ETH_FLOW_NONFRAG_IPV4_UDP:
        case RTE_ETH_FLOW_NONFRAG_IPV4_TCP:
        case RTE_ETH_FLOW_NONFRAG_IPV4_OTHER:
-               attributes->l3.ipv4.hdr = (struct ipv4_hdr){
+               attributes->l3.ipv4.hdr = (struct rte_ipv4_hdr){
                        .src_addr = input->flow.ip4_flow.src_ip,
                        .dst_addr = input->flow.ip4_flow.dst_ip,
                        .time_to_live = input->flow.ip4_flow.ttl,
                        .type_of_service = input->flow.ip4_flow.tos,
                };
-               attributes->l3_mask.ipv4.hdr = (struct ipv4_hdr){
+               attributes->l3_mask.ipv4.hdr = (struct rte_ipv4_hdr){
                        .src_addr = mask->ipv4_mask.src_ip,
                        .dst_addr = mask->ipv4_mask.dst_ip,
                        .time_to_live = mask->ipv4_mask.ttl,
@@ -2513,7 +2968,7 @@ mlx5_fdir_filter_convert(struct rte_eth_dev *dev,
        case RTE_ETH_FLOW_NONFRAG_IPV6_UDP:
        case RTE_ETH_FLOW_NONFRAG_IPV6_TCP:
        case RTE_ETH_FLOW_NONFRAG_IPV6_OTHER:
-               attributes->l3.ipv6.hdr = (struct ipv6_hdr){
+               attributes->l3.ipv6.hdr = (struct rte_ipv6_hdr){
                        .hop_limits = input->flow.ipv6_flow.hop_limits,
                        .proto = input->flow.ipv6_flow.proto,
                };
@@ -2545,11 +3000,11 @@ mlx5_fdir_filter_convert(struct rte_eth_dev *dev,
        /* Handle L4. */
        switch (fdir_filter->input.flow_type) {
        case RTE_ETH_FLOW_NONFRAG_IPV4_UDP:
-               attributes->l4.udp.hdr = (struct udp_hdr){
+               attributes->l4.udp.hdr = (struct rte_udp_hdr){
                        .src_port = input->flow.udp4_flow.src_port,
                        .dst_port = input->flow.udp4_flow.dst_port,
                };
-               attributes->l4_mask.udp.hdr = (struct udp_hdr){
+               attributes->l4_mask.udp.hdr = (struct rte_udp_hdr){
                        .src_port = mask->src_port_mask,
                        .dst_port = mask->dst_port_mask,
                };
@@ -2560,11 +3015,11 @@ mlx5_fdir_filter_convert(struct rte_eth_dev *dev,
                };
                break;
        case RTE_ETH_FLOW_NONFRAG_IPV4_TCP:
-               attributes->l4.tcp.hdr = (struct tcp_hdr){
+               attributes->l4.tcp.hdr = (struct rte_tcp_hdr){
                        .src_port = input->flow.tcp4_flow.src_port,
                        .dst_port = input->flow.tcp4_flow.dst_port,
                };
-               attributes->l4_mask.tcp.hdr = (struct tcp_hdr){
+               attributes->l4_mask.tcp.hdr = (struct rte_tcp_hdr){
                        .src_port = mask->src_port_mask,
                        .dst_port = mask->dst_port_mask,
                };
@@ -2575,11 +3030,11 @@ mlx5_fdir_filter_convert(struct rte_eth_dev *dev,
                };
                break;
        case RTE_ETH_FLOW_NONFRAG_IPV6_UDP:
-               attributes->l4.udp.hdr = (struct udp_hdr){
+               attributes->l4.udp.hdr = (struct rte_udp_hdr){
                        .src_port = input->flow.udp6_flow.src_port,
                        .dst_port = input->flow.udp6_flow.dst_port,
                };
-               attributes->l4_mask.udp.hdr = (struct udp_hdr){
+               attributes->l4_mask.udp.hdr = (struct rte_udp_hdr){
                        .src_port = mask->src_port_mask,
                        .dst_port = mask->dst_port_mask,
                };
@@ -2590,11 +3045,11 @@ mlx5_fdir_filter_convert(struct rte_eth_dev *dev,
                };
                break;
        case RTE_ETH_FLOW_NONFRAG_IPV6_TCP:
-               attributes->l4.tcp.hdr = (struct tcp_hdr){
+               attributes->l4.tcp.hdr = (struct rte_tcp_hdr){
                        .src_port = input->flow.tcp6_flow.src_port,
                        .dst_port = input->flow.tcp6_flow.dst_port,
                };
-               attributes->l4_mask.tcp.hdr = (struct tcp_hdr){
+               attributes->l4_mask.tcp.hdr = (struct rte_tcp_hdr){
                        .src_port = mask->src_port_mask,
                        .dst_port = mask->dst_port_mask,
                };
@@ -2616,6 +3071,69 @@ mlx5_fdir_filter_convert(struct rte_eth_dev *dev,
        return 0;
 }
 
+#define FLOW_FDIR_CMP(f1, f2, fld) \
+       memcmp(&(f1)->fld, &(f2)->fld, sizeof(f1->fld))
+
+/**
+ * Compare two FDIR flows. If items and actions are identical, the two flows are
+ * regarded as same.
+ *
+ * @param dev
+ *   Pointer to Ethernet device.
+ * @param f1
+ *   FDIR flow to compare.
+ * @param f2
+ *   FDIR flow to compare.
+ *
+ * @return
+ *   Zero on match, 1 otherwise.
+ */
+static int
+flow_fdir_cmp(const struct mlx5_fdir *f1, const struct mlx5_fdir *f2)
+{
+       if (FLOW_FDIR_CMP(f1, f2, attr) ||
+           FLOW_FDIR_CMP(f1, f2, l2) ||
+           FLOW_FDIR_CMP(f1, f2, l2_mask) ||
+           FLOW_FDIR_CMP(f1, f2, l3) ||
+           FLOW_FDIR_CMP(f1, f2, l3_mask) ||
+           FLOW_FDIR_CMP(f1, f2, l4) ||
+           FLOW_FDIR_CMP(f1, f2, l4_mask) ||
+           FLOW_FDIR_CMP(f1, f2, actions[0].type))
+               return 1;
+       if (f1->actions[0].type == RTE_FLOW_ACTION_TYPE_QUEUE &&
+           FLOW_FDIR_CMP(f1, f2, queue))
+               return 1;
+       return 0;
+}
+
+/**
+ * Search device flow list to find out a matched FDIR flow.
+ *
+ * @param dev
+ *   Pointer to Ethernet device.
+ * @param fdir_flow
+ *   FDIR flow to lookup.
+ *
+ * @return
+ *   Pointer of flow if found, NULL otherwise.
+ */
+static struct rte_flow *
+flow_fdir_filter_lookup(struct rte_eth_dev *dev, struct mlx5_fdir *fdir_flow)
+{
+       struct mlx5_priv *priv = dev->data->dev_private;
+       struct rte_flow *flow = NULL;
+
+       assert(fdir_flow);
+       TAILQ_FOREACH(flow, &priv->flows, next) {
+               if (flow->fdir && !flow_fdir_cmp(flow->fdir, fdir_flow)) {
+                       DRV_LOG(DEBUG, "port %u found FDIR flow %p",
+                               dev->data->port_id, (void *)flow);
+                       break;
+               }
+       }
+       return flow;
+}
+
 /**
  * Add new flow director filter and store it in list.
  *
@@ -2628,32 +3146,39 @@ mlx5_fdir_filter_convert(struct rte_eth_dev *dev,
  *   0 on success, a negative errno value otherwise and rte_errno is set.
  */
 static int
-mlx5_fdir_filter_add(struct rte_eth_dev *dev,
+flow_fdir_filter_add(struct rte_eth_dev *dev,
                     const struct rte_eth_fdir_filter *fdir_filter)
 {
-       struct priv *priv = dev->data->dev_private;
-       struct mlx5_fdir attributes = {
-               .attr.group = 0,
-               .l2_mask = {
-                       .dst.addr_bytes = "\x00\x00\x00\x00\x00\x00",
-                       .src.addr_bytes = "\x00\x00\x00\x00\x00\x00",
-                       .type = 0,
-               },
-       };
-       struct rte_flow_error error;
+       struct mlx5_priv *priv = dev->data->dev_private;
+       struct mlx5_fdir *fdir_flow;
        struct rte_flow *flow;
        int ret;
 
-       ret = mlx5_fdir_filter_convert(dev, fdir_filter, &attributes);
+       fdir_flow = rte_zmalloc(__func__, sizeof(*fdir_flow), 0);
+       if (!fdir_flow) {
+               rte_errno = ENOMEM;
+               return -rte_errno;
+       }
+       ret = flow_fdir_filter_convert(dev, fdir_filter, fdir_flow);
        if (ret)
-               return ret;
-       flow = flow_list_create(dev, &priv->flows, &attributes.attr,
-                               attributes.items, attributes.actions, &error);
+               goto error;
+       flow = flow_fdir_filter_lookup(dev, fdir_flow);
        if (flow) {
-               DRV_LOG(DEBUG, "port %u FDIR created %p", dev->data->port_id,
-                       (void *)flow);
-               return 0;
+               rte_errno = EEXIST;
+               goto error;
        }
+       flow = flow_list_create(dev, &priv->flows, &fdir_flow->attr,
+                               fdir_flow->items, fdir_flow->actions, true,
+                               NULL);
+       if (!flow)
+               goto error;
+       assert(!flow->fdir);
+       flow->fdir = fdir_flow;
+       DRV_LOG(DEBUG, "port %u created FDIR flow %p",
+               dev->data->port_id, (void *)flow);
+       return 0;
+error:
+       rte_free(fdir_flow);
        return -rte_errno;
 }
 
@@ -2669,12 +3194,28 @@ mlx5_fdir_filter_add(struct rte_eth_dev *dev,
  *   0 on success, a negative errno value otherwise and rte_errno is set.
  */
 static int
-mlx5_fdir_filter_delete(struct rte_eth_dev *dev __rte_unused,
-                       const struct rte_eth_fdir_filter *fdir_filter
-                       __rte_unused)
+flow_fdir_filter_delete(struct rte_eth_dev *dev,
+                       const struct rte_eth_fdir_filter *fdir_filter)
 {
-       rte_errno = ENOTSUP;
-       return -rte_errno;
+       struct mlx5_priv *priv = dev->data->dev_private;
+       struct rte_flow *flow;
+       struct mlx5_fdir fdir_flow = {
+               .attr.group = 0,
+       };
+       int ret;
+
+       ret = flow_fdir_filter_convert(dev, fdir_filter, &fdir_flow);
+       if (ret)
+               return -rte_errno;
+       flow = flow_fdir_filter_lookup(dev, &fdir_flow);
+       if (!flow) {
+               rte_errno = ENOENT;
+               return -rte_errno;
+       }
+       flow_list_destroy(dev, &priv->flows, flow);
+       DRV_LOG(DEBUG, "port %u deleted FDIR flow %p",
+               dev->data->port_id, (void *)flow);
+       return 0;
 }
 
 /**
@@ -2689,15 +3230,15 @@ mlx5_fdir_filter_delete(struct rte_eth_dev *dev __rte_unused,
  *   0 on success, a negative errno value otherwise and rte_errno is set.
  */
 static int
-mlx5_fdir_filter_update(struct rte_eth_dev *dev,
+flow_fdir_filter_update(struct rte_eth_dev *dev,
                        const struct rte_eth_fdir_filter *fdir_filter)
 {
        int ret;
 
-       ret = mlx5_fdir_filter_delete(dev, fdir_filter);
+       ret = flow_fdir_filter_delete(dev, fdir_filter);
        if (ret)
                return ret;
-       return mlx5_fdir_filter_add(dev, fdir_filter);
+       return flow_fdir_filter_add(dev, fdir_filter);
 }
 
 /**
@@ -2707,9 +3248,9 @@ mlx5_fdir_filter_update(struct rte_eth_dev *dev,
  *   Pointer to Ethernet device.
  */
 static void
-mlx5_fdir_filter_flush(struct rte_eth_dev *dev)
+flow_fdir_filter_flush(struct rte_eth_dev *dev)
 {
-       struct priv *priv = dev->data->dev_private;
+       struct mlx5_priv *priv = dev->data->dev_private;
 
        mlx5_flow_list_flush(dev, &priv->flows);
 }
@@ -2723,7 +3264,7 @@ mlx5_fdir_filter_flush(struct rte_eth_dev *dev)
  *   Resulting flow director information.
  */
 static void
-mlx5_fdir_info_get(struct rte_eth_dev *dev, struct rte_eth_fdir_info *fdir_info)
+flow_fdir_info_get(struct rte_eth_dev *dev, struct rte_eth_fdir_info *fdir_info)
 {
        struct rte_eth_fdir_masks *mask =
                &dev->data->dev_conf.fdir_conf.mask;
@@ -2753,7 +3294,7 @@ mlx5_fdir_info_get(struct rte_eth_dev *dev, struct rte_eth_fdir_info *fdir_info)
  *   0 on success, a negative errno value otherwise and rte_errno is set.
  */
 static int
-mlx5_fdir_ctrl_func(struct rte_eth_dev *dev, enum rte_filter_op filter_op,
+flow_fdir_ctrl_func(struct rte_eth_dev *dev, enum rte_filter_op filter_op,
                    void *arg)
 {
        enum rte_fdir_mode fdir_mode =
@@ -2770,16 +3311,16 @@ mlx5_fdir_ctrl_func(struct rte_eth_dev *dev, enum rte_filter_op filter_op,
        }
        switch (filter_op) {
        case RTE_ETH_FILTER_ADD:
-               return mlx5_fdir_filter_add(dev, arg);
+               return flow_fdir_filter_add(dev, arg);
        case RTE_ETH_FILTER_UPDATE:
-               return mlx5_fdir_filter_update(dev, arg);
+               return flow_fdir_filter_update(dev, arg);
        case RTE_ETH_FILTER_DELETE:
-               return mlx5_fdir_filter_delete(dev, arg);
+               return flow_fdir_filter_delete(dev, arg);
        case RTE_ETH_FILTER_FLUSH:
-               mlx5_fdir_filter_flush(dev);
+               flow_fdir_filter_flush(dev);
                break;
        case RTE_ETH_FILTER_INFO:
-               mlx5_fdir_info_get(dev, arg);
+               flow_fdir_info_get(dev, arg);
                break;
        default:
                DRV_LOG(DEBUG, "port %u unknown operation %u",
@@ -2820,7 +3361,7 @@ mlx5_dev_filter_ctrl(struct rte_eth_dev *dev,
                *(const void **)arg = &mlx5_flow_ops;
                return 0;
        case RTE_ETH_FILTER_FDIR:
-               return mlx5_fdir_ctrl_func(dev, filter_op, arg);
+               return flow_fdir_ctrl_func(dev, filter_op, arg);
        default:
                DRV_LOG(ERR, "port %u filter type (%d) not supported",
                        dev->data->port_id, filter_type);
@@ -2829,3 +3370,186 @@ mlx5_dev_filter_ctrl(struct rte_eth_dev *dev,
        }
        return 0;
 }
+
+#define MLX5_POOL_QUERY_FREQ_US 1000000
+
+/**
+ * Set the periodic procedure for triggering asynchronous batch queries for all
+ * the counter pools.
+ *
+ * @param[in] sh
+ *   Pointer to mlx5_ibv_shared object.
+ */
+void
+mlx5_set_query_alarm(struct mlx5_ibv_shared *sh)
+{
+       struct mlx5_pools_container *cont = MLX5_CNT_CONTAINER(sh, 0, 0);
+       uint32_t pools_n = rte_atomic16_read(&cont->n_valid);
+       uint32_t us;
+
+       cont = MLX5_CNT_CONTAINER(sh, 1, 0);
+       pools_n += rte_atomic16_read(&cont->n_valid);
+       us = MLX5_POOL_QUERY_FREQ_US / pools_n;
+       DRV_LOG(DEBUG, "Set alarm for %u pools each %u us\n", pools_n, us);
+       if (rte_eal_alarm_set(us, mlx5_flow_query_alarm, sh)) {
+               sh->cmng.query_thread_on = 0;
+               DRV_LOG(ERR, "Cannot reinitialize query alarm\n");
+       } else {
+               sh->cmng.query_thread_on = 1;
+       }
+}
+
+/**
+ * The periodic procedure for triggering asynchronous batch queries for all the
+ * counter pools. This function is probably called by the host thread.
+ *
+ * @param[in] arg
+ *   The parameter for the alarm process.
+ */
+void
+mlx5_flow_query_alarm(void *arg)
+{
+       struct mlx5_ibv_shared *sh = arg;
+       struct mlx5_devx_obj *dcs;
+       uint16_t offset;
+       int ret;
+       uint8_t batch = sh->cmng.batch;
+       uint16_t pool_index = sh->cmng.pool_index;
+       struct mlx5_pools_container *cont;
+       struct mlx5_pools_container *mcont;
+       struct mlx5_flow_counter_pool *pool;
+
+       if (sh->cmng.pending_queries >= MLX5_MAX_PENDING_QUERIES)
+               goto set_alarm;
+next_container:
+       cont = MLX5_CNT_CONTAINER(sh, batch, 1);
+       mcont = MLX5_CNT_CONTAINER(sh, batch, 0);
+       /* Check if resize was done and need to flip a container. */
+       if (cont != mcont) {
+               if (cont->pools) {
+                       /* Clean the old container. */
+                       rte_free(cont->pools);
+                       memset(cont, 0, sizeof(*cont));
+               }
+               rte_cio_wmb();
+                /* Flip the host container. */
+               sh->cmng.mhi[batch] ^= (uint8_t)2;
+               cont = mcont;
+       }
+       if (!cont->pools) {
+               /* 2 empty containers case is unexpected. */
+               if (unlikely(batch != sh->cmng.batch))
+                       goto set_alarm;
+               batch ^= 0x1;
+               pool_index = 0;
+               goto next_container;
+       }
+       pool = cont->pools[pool_index];
+       if (pool->raw_hw)
+               /* There is a pool query in progress. */
+               goto set_alarm;
+       pool->raw_hw =
+               LIST_FIRST(&sh->cmng.free_stat_raws);
+       if (!pool->raw_hw)
+               /* No free counter statistics raw memory. */
+               goto set_alarm;
+       dcs = (struct mlx5_devx_obj *)(uintptr_t)rte_atomic64_read
+                                                             (&pool->a64_dcs);
+       offset = batch ? 0 : dcs->id % MLX5_COUNTERS_PER_POOL;
+       ret = mlx5_devx_cmd_flow_counter_query(dcs, 0, MLX5_COUNTERS_PER_POOL -
+                                              offset, NULL, NULL,
+                                              pool->raw_hw->mem_mng->dm->id,
+                                              (void *)(uintptr_t)
+                                              (pool->raw_hw->data + offset),
+                                              sh->devx_comp,
+                                              (uint64_t)(uintptr_t)pool);
+       if (ret) {
+               DRV_LOG(ERR, "Failed to trigger asynchronous query for dcs ID"
+                       " %d\n", pool->min_dcs->id);
+               pool->raw_hw = NULL;
+               goto set_alarm;
+       }
+       pool->raw_hw->min_dcs_id = dcs->id;
+       LIST_REMOVE(pool->raw_hw, next);
+       sh->cmng.pending_queries++;
+       pool_index++;
+       if (pool_index >= rte_atomic16_read(&cont->n_valid)) {
+               batch ^= 0x1;
+               pool_index = 0;
+       }
+set_alarm:
+       sh->cmng.batch = batch;
+       sh->cmng.pool_index = pool_index;
+       mlx5_set_query_alarm(sh);
+}
+
+/**
+ * Handler for the HW respond about ready values from an asynchronous batch
+ * query. This function is probably called by the host thread.
+ *
+ * @param[in] sh
+ *   The pointer to the shared IB device context.
+ * @param[in] async_id
+ *   The Devx async ID.
+ * @param[in] status
+ *   The status of the completion.
+ */
+void
+mlx5_flow_async_pool_query_handle(struct mlx5_ibv_shared *sh,
+                                 uint64_t async_id, int status)
+{
+       struct mlx5_flow_counter_pool *pool =
+               (struct mlx5_flow_counter_pool *)(uintptr_t)async_id;
+       struct mlx5_counter_stats_raw *raw_to_free;
+
+       if (unlikely(status)) {
+               raw_to_free = pool->raw_hw;
+       } else {
+               raw_to_free = pool->raw;
+               rte_spinlock_lock(&pool->sl);
+               pool->raw = pool->raw_hw;
+               rte_spinlock_unlock(&pool->sl);
+               rte_atomic64_add(&pool->query_gen, 1);
+               /* Be sure the new raw counters data is updated in memory. */
+               rte_cio_wmb();
+       }
+       LIST_INSERT_HEAD(&sh->cmng.free_stat_raws, raw_to_free, next);
+       pool->raw_hw = NULL;
+       sh->cmng.pending_queries--;
+}
+
+/**
+ * Translate the rte_flow group index to HW table value.
+ *
+ * @param[in] attributes
+ *   Pointer to flow attributes
+ * @param[in] external
+ *   Value is part of flow rule created by request external to PMD.
+ * @param[in] group
+ *   rte_flow group index value.
+ * @param[out] table
+ *   HW table value.
+ * @param[out] error
+ *   Pointer to error structure.
+ *
+ * @return
+ *   0 on success, a negative errno value otherwise and rte_errno is set.
+ */
+int
+mlx5_flow_group_to_table(const struct rte_flow_attr *attributes, bool external,
+                        uint32_t group, uint32_t *table,
+                        struct rte_flow_error *error)
+{
+       if (attributes->transfer && external) {
+               if (group == UINT32_MAX)
+                       return rte_flow_error_set
+                                               (error, EINVAL,
+                                                RTE_FLOW_ERROR_TYPE_ATTR_GROUP,
+                                                NULL,
+                                                "group index not supported");
+               *table = group + 1;
+       } else {
+               *table = group;
+       }
+       return 0;
+}