net: add rte prefix to IP structure
[dpdk.git] / drivers / net / mlx5 / mlx5_flow.c
index 994be05..3a0ca11 100644 (file)
@@ -3,7 +3,9 @@
  * Copyright 2016 Mellanox Technologies, Ltd
  */
 
+#include <netinet/in.h>
 #include <sys/queue.h>
+#include <stdalign.h>
 #include <stdint.h>
 #include <string.h>
 
@@ -19,7 +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_flow.h"
 #include "mlx5_glue.h"
-
-/* Flow priority for control plane flows. */
-#define MLX5_CTRL_FLOW_PRIORITY 1
-
-/* Internet Protocol versions. */
-#define MLX5_IPV4 4
-#define MLX5_IPV6 6
-#define MLX5_GRE 47
-
-#ifndef HAVE_IBV_DEVICE_COUNTERS_SET_SUPPORT
-struct ibv_flow_spec_counter_action {
-       int dummy;
-};
-#endif
+#include "mlx5_prm.h"
+#include "mlx5_rxtx.h"
 
 /* Dev ops structure defined in mlx5.c */
 extern const struct eth_dev_ops mlx5_dev_ops;
 extern const struct eth_dev_ops mlx5_dev_ops_isolate;
 
-/** Structure give to the conversion functions. */
-struct mlx5_flow_data {
-       struct rte_eth_dev *dev; /** Ethernet device. */
-       struct mlx5_flow_parse *parser; /** Parser context. */
-       struct rte_flow_error *error; /** Error context. */
-};
-
-static int
-mlx5_flow_create_eth(const struct rte_flow_item *item,
-                    const void *default_mask,
-                    struct mlx5_flow_data *data);
-
-static int
-mlx5_flow_create_vlan(const struct rte_flow_item *item,
-                     const void *default_mask,
-                     struct mlx5_flow_data *data);
-
-static int
-mlx5_flow_create_ipv4(const struct rte_flow_item *item,
-                     const void *default_mask,
-                     struct mlx5_flow_data *data);
-
-static int
-mlx5_flow_create_ipv6(const struct rte_flow_item *item,
-                     const void *default_mask,
-                     struct mlx5_flow_data *data);
-
-static int
-mlx5_flow_create_udp(const struct rte_flow_item *item,
-                    const void *default_mask,
-                    struct mlx5_flow_data *data);
-
-static int
-mlx5_flow_create_tcp(const struct rte_flow_item *item,
-                    const void *default_mask,
-                    struct mlx5_flow_data *data);
-
-static int
-mlx5_flow_create_vxlan(const struct rte_flow_item *item,
-                      const void *default_mask,
-                      struct mlx5_flow_data *data);
-
-static int
-mlx5_flow_create_vxlan_gpe(const struct rte_flow_item *item,
-                          const void *default_mask,
-                          struct mlx5_flow_data *data);
-
-static int
-mlx5_flow_create_gre(const struct rte_flow_item *item,
-                    const void *default_mask,
-                    struct mlx5_flow_data *data);
-
-static int
-mlx5_flow_create_mpls(const struct rte_flow_item *item,
-                     const void *default_mask,
-                     struct mlx5_flow_data *data);
-
-struct mlx5_flow_parse;
-
-static void
-mlx5_flow_create_copy(struct mlx5_flow_parse *parser, void *src,
-                     unsigned int size);
+/** Device flow drivers. */
+#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;
 
-static int
-mlx5_flow_create_flag_mark(struct mlx5_flow_parse *parser, uint32_t mark_id);
+const struct mlx5_flow_driver_ops mlx5_flow_null_drv_ops;
 
-static int
-mlx5_flow_create_count(struct rte_eth_dev *dev, struct mlx5_flow_parse *parser);
-
-/* Hash RX queue types. */
-enum hash_rxq_type {
-       HASH_RXQ_TCPV4,
-       HASH_RXQ_UDPV4,
-       HASH_RXQ_IPV4,
-       HASH_RXQ_TCPV6,
-       HASH_RXQ_UDPV6,
-       HASH_RXQ_IPV6,
-       HASH_RXQ_ETH,
-       HASH_RXQ_TUNNEL,
+const struct mlx5_flow_driver_ops *flow_drv_ops[] = {
+       [MLX5_FLOW_TYPE_MIN] = &mlx5_flow_null_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
 };
 
-/* Initialization data for hash RX queue. */
-struct hash_rxq_init {
-       uint64_t hash_fields; /* Fields that participate in the hash. */
-       uint64_t dpdk_rss_hf; /* Matching DPDK RSS hash fields. */
-       unsigned int flow_priority; /* Flow priority to use. */
-       unsigned int ip_version; /* Internet protocol. */
+enum mlx5_expansion {
+       MLX5_EXPANSION_ROOT,
+       MLX5_EXPANSION_ROOT_OUTER,
+       MLX5_EXPANSION_ROOT_ETH_VLAN,
+       MLX5_EXPANSION_ROOT_OUTER_ETH_VLAN,
+       MLX5_EXPANSION_OUTER_ETH,
+       MLX5_EXPANSION_OUTER_ETH_VLAN,
+       MLX5_EXPANSION_OUTER_VLAN,
+       MLX5_EXPANSION_OUTER_IPV4,
+       MLX5_EXPANSION_OUTER_IPV4_UDP,
+       MLX5_EXPANSION_OUTER_IPV4_TCP,
+       MLX5_EXPANSION_OUTER_IPV6,
+       MLX5_EXPANSION_OUTER_IPV6_UDP,
+       MLX5_EXPANSION_OUTER_IPV6_TCP,
+       MLX5_EXPANSION_VXLAN,
+       MLX5_EXPANSION_VXLAN_GPE,
+       MLX5_EXPANSION_GRE,
+       MLX5_EXPANSION_MPLS,
+       MLX5_EXPANSION_ETH,
+       MLX5_EXPANSION_ETH_VLAN,
+       MLX5_EXPANSION_VLAN,
+       MLX5_EXPANSION_IPV4,
+       MLX5_EXPANSION_IPV4_UDP,
+       MLX5_EXPANSION_IPV4_TCP,
+       MLX5_EXPANSION_IPV6,
+       MLX5_EXPANSION_IPV6_UDP,
+       MLX5_EXPANSION_IPV6_TCP,
 };
 
-/* Initialization data for hash RX queues. */
-const struct hash_rxq_init hash_rxq_init[] = {
-       [HASH_RXQ_TCPV4] = {
-               .hash_fields = (IBV_RX_HASH_SRC_IPV4 |
-                               IBV_RX_HASH_DST_IPV4 |
-                               IBV_RX_HASH_SRC_PORT_TCP |
-                               IBV_RX_HASH_DST_PORT_TCP),
-               .dpdk_rss_hf = ETH_RSS_NONFRAG_IPV4_TCP,
-               .flow_priority = 0,
-               .ip_version = MLX5_IPV4,
+/** Supported expansion of items. */
+static const struct rte_flow_expand_node mlx5_support_expansion[] = {
+       [MLX5_EXPANSION_ROOT] = {
+               .next = RTE_FLOW_EXPAND_RSS_NEXT(MLX5_EXPANSION_ETH,
+                                                MLX5_EXPANSION_IPV4,
+                                                MLX5_EXPANSION_IPV6),
+               .type = RTE_FLOW_ITEM_TYPE_END,
        },
-       [HASH_RXQ_UDPV4] = {
-               .hash_fields = (IBV_RX_HASH_SRC_IPV4 |
-                               IBV_RX_HASH_DST_IPV4 |
-                               IBV_RX_HASH_SRC_PORT_UDP |
-                               IBV_RX_HASH_DST_PORT_UDP),
-               .dpdk_rss_hf = ETH_RSS_NONFRAG_IPV4_UDP,
-               .flow_priority = 0,
-               .ip_version = MLX5_IPV4,
+       [MLX5_EXPANSION_ROOT_OUTER] = {
+               .next = RTE_FLOW_EXPAND_RSS_NEXT(MLX5_EXPANSION_OUTER_ETH,
+                                                MLX5_EXPANSION_OUTER_IPV4,
+                                                MLX5_EXPANSION_OUTER_IPV6),
+               .type = RTE_FLOW_ITEM_TYPE_END,
        },
-       [HASH_RXQ_IPV4] = {
-               .hash_fields = (IBV_RX_HASH_SRC_IPV4 |
-                               IBV_RX_HASH_DST_IPV4),
-               .dpdk_rss_hf = (ETH_RSS_IPV4 |
-                               ETH_RSS_FRAG_IPV4),
-               .flow_priority = 1,
-               .ip_version = MLX5_IPV4,
+       [MLX5_EXPANSION_ROOT_ETH_VLAN] = {
+               .next = RTE_FLOW_EXPAND_RSS_NEXT(MLX5_EXPANSION_ETH_VLAN),
+               .type = RTE_FLOW_ITEM_TYPE_END,
        },
-       [HASH_RXQ_TCPV6] = {
-               .hash_fields = (IBV_RX_HASH_SRC_IPV6 |
-                               IBV_RX_HASH_DST_IPV6 |
-                               IBV_RX_HASH_SRC_PORT_TCP |
-                               IBV_RX_HASH_DST_PORT_TCP),
-               .dpdk_rss_hf = ETH_RSS_NONFRAG_IPV6_TCP,
-               .flow_priority = 0,
-               .ip_version = MLX5_IPV6,
+       [MLX5_EXPANSION_ROOT_OUTER_ETH_VLAN] = {
+               .next = RTE_FLOW_EXPAND_RSS_NEXT(MLX5_EXPANSION_OUTER_ETH_VLAN),
+               .type = RTE_FLOW_ITEM_TYPE_END,
        },
-       [HASH_RXQ_UDPV6] = {
-               .hash_fields = (IBV_RX_HASH_SRC_IPV6 |
-                               IBV_RX_HASH_DST_IPV6 |
-                               IBV_RX_HASH_SRC_PORT_UDP |
-                               IBV_RX_HASH_DST_PORT_UDP),
-               .dpdk_rss_hf = ETH_RSS_NONFRAG_IPV6_UDP,
-               .flow_priority = 0,
-               .ip_version = MLX5_IPV6,
+       [MLX5_EXPANSION_OUTER_ETH] = {
+               .next = RTE_FLOW_EXPAND_RSS_NEXT(MLX5_EXPANSION_OUTER_IPV4,
+                                                MLX5_EXPANSION_OUTER_IPV6,
+                                                MLX5_EXPANSION_MPLS),
+               .type = RTE_FLOW_ITEM_TYPE_ETH,
+               .rss_types = 0,
        },
-       [HASH_RXQ_IPV6] = {
-               .hash_fields = (IBV_RX_HASH_SRC_IPV6 |
-                               IBV_RX_HASH_DST_IPV6),
-               .dpdk_rss_hf = (ETH_RSS_IPV6 |
-                               ETH_RSS_FRAG_IPV6),
-               .flow_priority = 1,
-               .ip_version = MLX5_IPV6,
+       [MLX5_EXPANSION_OUTER_ETH_VLAN] = {
+               .next = RTE_FLOW_EXPAND_RSS_NEXT(MLX5_EXPANSION_OUTER_VLAN),
+               .type = RTE_FLOW_ITEM_TYPE_ETH,
+               .rss_types = 0,
        },
-       [HASH_RXQ_ETH] = {
-               .hash_fields = 0,
-               .dpdk_rss_hf = 0,
-               .flow_priority = 2,
+       [MLX5_EXPANSION_OUTER_VLAN] = {
+               .next = RTE_FLOW_EXPAND_RSS_NEXT(MLX5_EXPANSION_OUTER_IPV4,
+                                                MLX5_EXPANSION_OUTER_IPV6),
+               .type = RTE_FLOW_ITEM_TYPE_VLAN,
        },
-};
-
-/* Number of entries in hash_rxq_init[]. */
-const unsigned int hash_rxq_init_n = RTE_DIM(hash_rxq_init);
-
-/** Structure for holding counter stats. */
-struct mlx5_flow_counter_stats {
-       uint64_t hits; /**< Number of packets matched by the rule. */
-       uint64_t bytes; /**< Number of bytes matched by the rule. */
-};
-
-/** Structure for Drop queue. */
-struct mlx5_hrxq_drop {
-       struct ibv_rwq_ind_table *ind_table; /**< Indirection table. */
-       struct ibv_qp *qp; /**< Verbs queue pair. */
-       struct ibv_wq *wq; /**< Verbs work queue. */
-       struct ibv_cq *cq; /**< Verbs completion queue. */
-};
-
-/* Flows structures. */
-struct mlx5_flow {
-       uint64_t hash_fields; /**< Fields that participate in the hash. */
-       struct ibv_flow_attr *ibv_attr; /**< Pointer to Verbs attributes. */
-       struct ibv_flow *ibv_flow; /**< Verbs flow. */
-       struct mlx5_hrxq *hrxq; /**< Hash Rx queues. */
-};
-
-/* Drop flows structures. */
-struct mlx5_flow_drop {
-       struct ibv_flow_attr *ibv_attr; /**< Pointer to Verbs attributes. */
-       struct ibv_flow *ibv_flow; /**< Verbs flow. */
-};
-
-struct rte_flow {
-       TAILQ_ENTRY(rte_flow) next; /**< Pointer to the next flow structure. */
-       uint32_t mark:1; /**< Set if the flow is marked. */
-       uint32_t drop:1; /**< Drop queue. */
-       struct rte_flow_action_rss rss_conf; /**< RSS configuration */
-       uint16_t (*queues)[]; /**< Queues indexes to use. */
-       uint8_t rss_key[40]; /**< copy of the RSS key. */
-       uint32_t tunnel; /**< Tunnel type of RTE_PTYPE_TUNNEL_XXX. */
-       struct ibv_counter_set *cs; /**< Holds the counters for the rule. */
-       struct mlx5_flow_counter_stats counter_stats;/**<The counter stats. */
-       struct mlx5_flow frxq[RTE_DIM(hash_rxq_init)];
-       /**< Flow with Rx queue. */
-};
-
-/** Static initializer for items. */
-#define ITEMS(...) \
-       (const enum rte_flow_item_type []){ \
-               __VA_ARGS__, RTE_FLOW_ITEM_TYPE_END, \
-       }
-
-#define IS_TUNNEL(type) ( \
-       (type) == RTE_FLOW_ITEM_TYPE_VXLAN || \
-       (type) == RTE_FLOW_ITEM_TYPE_VXLAN_GPE || \
-       (type) == RTE_FLOW_ITEM_TYPE_GRE || \
-       (type) == RTE_FLOW_ITEM_TYPE_MPLS)
-
-const uint32_t flow_ptype[] = {
-       [RTE_FLOW_ITEM_TYPE_VXLAN] = RTE_PTYPE_TUNNEL_VXLAN,
-       [RTE_FLOW_ITEM_TYPE_VXLAN_GPE] = RTE_PTYPE_TUNNEL_VXLAN_GPE,
-       [RTE_FLOW_ITEM_TYPE_GRE] = RTE_PTYPE_TUNNEL_GRE,
-       [RTE_FLOW_ITEM_TYPE_MPLS] = RTE_PTYPE_TUNNEL_MPLS_IN_GRE,
-};
-
-#define PTYPE_IDX(t) ((RTE_PTYPE_TUNNEL_MASK & (t)) >> 12)
-
-const uint32_t ptype_ext[] = {
-       [PTYPE_IDX(RTE_PTYPE_TUNNEL_VXLAN)] = RTE_PTYPE_TUNNEL_VXLAN |
-                                             RTE_PTYPE_L4_UDP,
-       [PTYPE_IDX(RTE_PTYPE_TUNNEL_VXLAN_GPE)] = RTE_PTYPE_TUNNEL_VXLAN_GPE |
-                                                 RTE_PTYPE_L4_UDP,
-       [PTYPE_IDX(RTE_PTYPE_TUNNEL_GRE)] = RTE_PTYPE_TUNNEL_GRE,
-       [PTYPE_IDX(RTE_PTYPE_TUNNEL_MPLS_IN_GRE)] =
-               RTE_PTYPE_TUNNEL_MPLS_IN_GRE,
-       [PTYPE_IDX(RTE_PTYPE_TUNNEL_MPLS_IN_UDP)] =
-               RTE_PTYPE_TUNNEL_MPLS_IN_GRE | RTE_PTYPE_L4_UDP,
-};
-
-/** Structure to generate a simple graph of layers supported by the NIC. */
-struct mlx5_flow_items {
-       /** List of possible actions for these items. */
-       const enum rte_flow_action_type *const actions;
-       /** Bit-masks corresponding to the possibilities for the item. */
-       const void *mask;
-       /**
-        * Default bit-masks to use when item->mask is not provided. When
-        * \default_mask is also NULL, the full supported bit-mask (\mask) is
-        * used instead.
-        */
-       const void *default_mask;
-       /** Bit-masks size in bytes. */
-       const unsigned int mask_sz;
-       /**
-        * Conversion function from rte_flow to NIC specific flow.
-        *
-        * @param item
-        *   rte_flow item to convert.
-        * @param default_mask
-        *   Default bit-masks to use when item->mask is not provided.
-        * @param data
-        *   Internal structure to store the conversion.
-        *
-        * @return
-        *   0 on success, a negative errno value otherwise and rte_errno is
-        *   set.
-        */
-       int (*convert)(const struct rte_flow_item *item,
-                      const void *default_mask,
-                      struct mlx5_flow_data *data);
-       /** Size in bytes of the destination structure. */
-       const unsigned int dst_sz;
-       /** List of possible following items.  */
-       const enum rte_flow_item_type *const items;
-};
-
-/** Valid action for this PMD. */
-static const enum rte_flow_action_type valid_actions[] = {
-       RTE_FLOW_ACTION_TYPE_DROP,
-       RTE_FLOW_ACTION_TYPE_QUEUE,
-       RTE_FLOW_ACTION_TYPE_MARK,
-       RTE_FLOW_ACTION_TYPE_FLAG,
-#ifdef HAVE_IBV_DEVICE_COUNTERS_SET_SUPPORT
-       RTE_FLOW_ACTION_TYPE_COUNT,
-#endif
-       RTE_FLOW_ACTION_TYPE_END,
-};
-
-/** Graph of supported items and associated actions. */
-static const struct mlx5_flow_items mlx5_flow_items[] = {
-       [RTE_FLOW_ITEM_TYPE_END] = {
-               .items = ITEMS(RTE_FLOW_ITEM_TYPE_ETH,
-                              RTE_FLOW_ITEM_TYPE_VXLAN,
-                              RTE_FLOW_ITEM_TYPE_VXLAN_GPE,
-                              RTE_FLOW_ITEM_TYPE_GRE),
+       [MLX5_EXPANSION_OUTER_IPV4] = {
+               .next = RTE_FLOW_EXPAND_RSS_NEXT
+                       (MLX5_EXPANSION_OUTER_IPV4_UDP,
+                        MLX5_EXPANSION_OUTER_IPV4_TCP,
+                        MLX5_EXPANSION_GRE),
+               .type = RTE_FLOW_ITEM_TYPE_IPV4,
+               .rss_types = ETH_RSS_IPV4 | ETH_RSS_FRAG_IPV4 |
+                       ETH_RSS_NONFRAG_IPV4_OTHER,
        },
-       [RTE_FLOW_ITEM_TYPE_ETH] = {
-               .items = ITEMS(RTE_FLOW_ITEM_TYPE_VLAN,
-                              RTE_FLOW_ITEM_TYPE_IPV4,
-                              RTE_FLOW_ITEM_TYPE_IPV6),
-               .actions = valid_actions,
-               .mask = &(const struct rte_flow_item_eth){
-                       .dst.addr_bytes = "\xff\xff\xff\xff\xff\xff",
-                       .src.addr_bytes = "\xff\xff\xff\xff\xff\xff",
-                       .type = -1,
-               },
-               .default_mask = &rte_flow_item_eth_mask,
-               .mask_sz = sizeof(struct rte_flow_item_eth),
-               .convert = mlx5_flow_create_eth,
-               .dst_sz = sizeof(struct ibv_flow_spec_eth),
+       [MLX5_EXPANSION_OUTER_IPV4_UDP] = {
+               .next = RTE_FLOW_EXPAND_RSS_NEXT(MLX5_EXPANSION_VXLAN,
+                                                MLX5_EXPANSION_VXLAN_GPE),
+               .type = RTE_FLOW_ITEM_TYPE_UDP,
+               .rss_types = ETH_RSS_NONFRAG_IPV4_UDP,
        },
-       [RTE_FLOW_ITEM_TYPE_VLAN] = {
-               .items = ITEMS(RTE_FLOW_ITEM_TYPE_IPV4,
-                              RTE_FLOW_ITEM_TYPE_IPV6),
-               .actions = valid_actions,
-               .mask = &(const struct rte_flow_item_vlan){
-                       .tci = -1,
-                       .inner_type = -1,
-               },
-               .default_mask = &rte_flow_item_vlan_mask,
-               .mask_sz = sizeof(struct rte_flow_item_vlan),
-               .convert = mlx5_flow_create_vlan,
-               .dst_sz = 0,
+       [MLX5_EXPANSION_OUTER_IPV4_TCP] = {
+               .type = RTE_FLOW_ITEM_TYPE_TCP,
+               .rss_types = ETH_RSS_NONFRAG_IPV4_TCP,
        },
-       [RTE_FLOW_ITEM_TYPE_IPV4] = {
-               .items = ITEMS(RTE_FLOW_ITEM_TYPE_UDP,
-                              RTE_FLOW_ITEM_TYPE_TCP,
-                              RTE_FLOW_ITEM_TYPE_GRE),
-               .actions = valid_actions,
-               .mask = &(const struct rte_flow_item_ipv4){
-                       .hdr = {
-                               .src_addr = -1,
-                               .dst_addr = -1,
-                               .type_of_service = -1,
-                               .next_proto_id = -1,
-                       },
-               },
-               .default_mask = &rte_flow_item_ipv4_mask,
-               .mask_sz = sizeof(struct rte_flow_item_ipv4),
-               .convert = mlx5_flow_create_ipv4,
-               .dst_sz = sizeof(struct ibv_flow_spec_ipv4_ext),
+       [MLX5_EXPANSION_OUTER_IPV6] = {
+               .next = RTE_FLOW_EXPAND_RSS_NEXT
+                       (MLX5_EXPANSION_OUTER_IPV6_UDP,
+                        MLX5_EXPANSION_OUTER_IPV6_TCP),
+               .type = RTE_FLOW_ITEM_TYPE_IPV6,
+               .rss_types = ETH_RSS_IPV6 | ETH_RSS_FRAG_IPV6 |
+                       ETH_RSS_NONFRAG_IPV6_OTHER,
        },
-       [RTE_FLOW_ITEM_TYPE_IPV6] = {
-               .items = ITEMS(RTE_FLOW_ITEM_TYPE_UDP,
-                              RTE_FLOW_ITEM_TYPE_TCP,
-                              RTE_FLOW_ITEM_TYPE_GRE),
-               .actions = valid_actions,
-               .mask = &(const struct rte_flow_item_ipv6){
-                       .hdr = {
-                               .src_addr = {
-                                       0xff, 0xff, 0xff, 0xff,
-                                       0xff, 0xff, 0xff, 0xff,
-                                       0xff, 0xff, 0xff, 0xff,
-                                       0xff, 0xff, 0xff, 0xff,
-                               },
-                               .dst_addr = {
-                                       0xff, 0xff, 0xff, 0xff,
-                                       0xff, 0xff, 0xff, 0xff,
-                                       0xff, 0xff, 0xff, 0xff,
-                                       0xff, 0xff, 0xff, 0xff,
-                               },
-                               .vtc_flow = -1,
-                               .proto = -1,
-                               .hop_limits = -1,
-                       },
-               },
-               .default_mask = &rte_flow_item_ipv6_mask,
-               .mask_sz = sizeof(struct rte_flow_item_ipv6),
-               .convert = mlx5_flow_create_ipv6,
-               .dst_sz = sizeof(struct ibv_flow_spec_ipv6),
+       [MLX5_EXPANSION_OUTER_IPV6_UDP] = {
+               .next = RTE_FLOW_EXPAND_RSS_NEXT(MLX5_EXPANSION_VXLAN,
+                                                MLX5_EXPANSION_VXLAN_GPE),
+               .type = RTE_FLOW_ITEM_TYPE_UDP,
+               .rss_types = ETH_RSS_NONFRAG_IPV6_UDP,
        },
-       [RTE_FLOW_ITEM_TYPE_UDP] = {
-               .items = ITEMS(RTE_FLOW_ITEM_TYPE_VXLAN,
-                              RTE_FLOW_ITEM_TYPE_VXLAN_GPE,
-                              RTE_FLOW_ITEM_TYPE_MPLS),
-               .actions = valid_actions,
-               .mask = &(const struct rte_flow_item_udp){
-                       .hdr = {
-                               .src_port = -1,
-                               .dst_port = -1,
-                       },
-               },
-               .default_mask = &rte_flow_item_udp_mask,
-               .mask_sz = sizeof(struct rte_flow_item_udp),
-               .convert = mlx5_flow_create_udp,
-               .dst_sz = sizeof(struct ibv_flow_spec_tcp_udp),
+       [MLX5_EXPANSION_OUTER_IPV6_TCP] = {
+               .type = RTE_FLOW_ITEM_TYPE_TCP,
+               .rss_types = ETH_RSS_NONFRAG_IPV6_TCP,
        },
-       [RTE_FLOW_ITEM_TYPE_TCP] = {
-               .actions = valid_actions,
-               .mask = &(const struct rte_flow_item_tcp){
-                       .hdr = {
-                               .src_port = -1,
-                               .dst_port = -1,
-                       },
-               },
-               .default_mask = &rte_flow_item_tcp_mask,
-               .mask_sz = sizeof(struct rte_flow_item_tcp),
-               .convert = mlx5_flow_create_tcp,
-               .dst_sz = sizeof(struct ibv_flow_spec_tcp_udp),
+       [MLX5_EXPANSION_VXLAN] = {
+               .next = RTE_FLOW_EXPAND_RSS_NEXT(MLX5_EXPANSION_ETH),
+               .type = RTE_FLOW_ITEM_TYPE_VXLAN,
        },
-       [RTE_FLOW_ITEM_TYPE_GRE] = {
-               .items = ITEMS(RTE_FLOW_ITEM_TYPE_ETH,
-                              RTE_FLOW_ITEM_TYPE_IPV4,
-                              RTE_FLOW_ITEM_TYPE_IPV6,
-                              RTE_FLOW_ITEM_TYPE_MPLS),
-               .actions = valid_actions,
-               .mask = &(const struct rte_flow_item_gre){
-                       .protocol = -1,
-               },
-               .default_mask = &rte_flow_item_gre_mask,
-               .mask_sz = sizeof(struct rte_flow_item_gre),
-               .convert = mlx5_flow_create_gre,
-#ifdef HAVE_IBV_DEVICE_MPLS_SUPPORT
-               .dst_sz = sizeof(struct ibv_flow_spec_gre),
-#else
-               .dst_sz = sizeof(struct ibv_flow_spec_tunnel),
-#endif
+       [MLX5_EXPANSION_VXLAN_GPE] = {
+               .next = RTE_FLOW_EXPAND_RSS_NEXT(MLX5_EXPANSION_ETH,
+                                                MLX5_EXPANSION_IPV4,
+                                                MLX5_EXPANSION_IPV6),
+               .type = RTE_FLOW_ITEM_TYPE_VXLAN_GPE,
        },
-       [RTE_FLOW_ITEM_TYPE_MPLS] = {
-               .items = ITEMS(RTE_FLOW_ITEM_TYPE_ETH,
-                              RTE_FLOW_ITEM_TYPE_IPV4,
-                              RTE_FLOW_ITEM_TYPE_IPV6),
-               .actions = valid_actions,
-               .mask = &(const struct rte_flow_item_mpls){
-                       .label_tc_s = "\xff\xff\xf0",
-               },
-               .default_mask = &rte_flow_item_mpls_mask,
-               .mask_sz = sizeof(struct rte_flow_item_mpls),
-               .convert = mlx5_flow_create_mpls,
-#ifdef HAVE_IBV_DEVICE_MPLS_SUPPORT
-               .dst_sz = sizeof(struct ibv_flow_spec_mpls),
-#endif
+       [MLX5_EXPANSION_GRE] = {
+               .next = RTE_FLOW_EXPAND_RSS_NEXT(MLX5_EXPANSION_IPV4),
+               .type = RTE_FLOW_ITEM_TYPE_GRE,
        },
-       [RTE_FLOW_ITEM_TYPE_VXLAN] = {
-               .items = ITEMS(RTE_FLOW_ITEM_TYPE_ETH,
-                              RTE_FLOW_ITEM_TYPE_IPV4, /* For L3 VXLAN. */
-                              RTE_FLOW_ITEM_TYPE_IPV6), /* For L3 VXLAN. */
-               .actions = valid_actions,
-               .mask = &(const struct rte_flow_item_vxlan){
-                       .vni = "\xff\xff\xff",
-               },
-               .default_mask = &rte_flow_item_vxlan_mask,
-               .mask_sz = sizeof(struct rte_flow_item_vxlan),
-               .convert = mlx5_flow_create_vxlan,
-               .dst_sz = sizeof(struct ibv_flow_spec_tunnel),
+       [MLX5_EXPANSION_MPLS] = {
+               .next = RTE_FLOW_EXPAND_RSS_NEXT(MLX5_EXPANSION_IPV4,
+                                                MLX5_EXPANSION_IPV6),
+               .type = RTE_FLOW_ITEM_TYPE_MPLS,
        },
-       [RTE_FLOW_ITEM_TYPE_VXLAN_GPE] = {
-               .items = ITEMS(RTE_FLOW_ITEM_TYPE_ETH,
-                              RTE_FLOW_ITEM_TYPE_IPV4,
-                              RTE_FLOW_ITEM_TYPE_IPV6),
-               .actions = valid_actions,
-               .mask = &(const struct rte_flow_item_vxlan_gpe){
-                       .vni = "\xff\xff\xff",
-               },
-               .default_mask = &rte_flow_item_vxlan_gpe_mask,
-               .mask_sz = sizeof(struct rte_flow_item_vxlan_gpe),
-               .convert = mlx5_flow_create_vxlan_gpe,
-               .dst_sz = sizeof(struct ibv_flow_spec_tunnel),
+       [MLX5_EXPANSION_ETH] = {
+               .next = RTE_FLOW_EXPAND_RSS_NEXT(MLX5_EXPANSION_IPV4,
+                                                MLX5_EXPANSION_IPV6),
+               .type = RTE_FLOW_ITEM_TYPE_ETH,
+       },
+       [MLX5_EXPANSION_ETH_VLAN] = {
+               .next = RTE_FLOW_EXPAND_RSS_NEXT(MLX5_EXPANSION_VLAN),
+               .type = RTE_FLOW_ITEM_TYPE_ETH,
+       },
+       [MLX5_EXPANSION_VLAN] = {
+               .next = RTE_FLOW_EXPAND_RSS_NEXT(MLX5_EXPANSION_IPV4,
+                                                MLX5_EXPANSION_IPV6),
+               .type = RTE_FLOW_ITEM_TYPE_VLAN,
+       },
+       [MLX5_EXPANSION_IPV4] = {
+               .next = RTE_FLOW_EXPAND_RSS_NEXT(MLX5_EXPANSION_IPV4_UDP,
+                                                MLX5_EXPANSION_IPV4_TCP),
+               .type = RTE_FLOW_ITEM_TYPE_IPV4,
+               .rss_types = ETH_RSS_IPV4 | ETH_RSS_FRAG_IPV4 |
+                       ETH_RSS_NONFRAG_IPV4_OTHER,
+       },
+       [MLX5_EXPANSION_IPV4_UDP] = {
+               .type = RTE_FLOW_ITEM_TYPE_UDP,
+               .rss_types = ETH_RSS_NONFRAG_IPV4_UDP,
+       },
+       [MLX5_EXPANSION_IPV4_TCP] = {
+               .type = RTE_FLOW_ITEM_TYPE_TCP,
+               .rss_types = ETH_RSS_NONFRAG_IPV4_TCP,
+       },
+       [MLX5_EXPANSION_IPV6] = {
+               .next = RTE_FLOW_EXPAND_RSS_NEXT(MLX5_EXPANSION_IPV6_UDP,
+                                                MLX5_EXPANSION_IPV6_TCP),
+               .type = RTE_FLOW_ITEM_TYPE_IPV6,
+               .rss_types = ETH_RSS_IPV6 | ETH_RSS_FRAG_IPV6 |
+                       ETH_RSS_NONFRAG_IPV6_OTHER,
+       },
+       [MLX5_EXPANSION_IPV6_UDP] = {
+               .type = RTE_FLOW_ITEM_TYPE_UDP,
+               .rss_types = ETH_RSS_NONFRAG_IPV6_UDP,
+       },
+       [MLX5_EXPANSION_IPV6_TCP] = {
+               .type = RTE_FLOW_ITEM_TYPE_TCP,
+               .rss_types = ETH_RSS_NONFRAG_IPV6_TCP,
        },
-};
-
-/** Structure to pass to the conversion function. */
-struct mlx5_flow_parse {
-       uint32_t inner; /**< Verbs value, set once tunnel is encountered. */
-       uint32_t create:1;
-       /**< Whether resources should remain after a validate. */
-       uint32_t drop:1; /**< Target is a drop queue. */
-       uint32_t mark:1; /**< Mark is present in the flow. */
-       uint32_t count:1; /**< Count is present in the flow. */
-       uint32_t mark_id; /**< Mark identifier. */
-       struct rte_flow_action_rss rss_conf; /**< RSS configuration */
-       uint16_t queues[RTE_MAX_QUEUES_PER_PORT]; /**< Queues indexes to use. */
-       uint8_t rss_key[40]; /**< copy of the RSS key. */
-       enum hash_rxq_type layer; /**< Last pattern layer detected. */
-       enum hash_rxq_type out_layer; /**< Last outer pattern layer detected. */
-       uint32_t tunnel; /**< Tunnel type of RTE_PTYPE_TUNNEL_XXX. */
-       struct ibv_counter_set *cs; /**< Holds the counter set for the rule */
-       struct {
-               struct ibv_flow_attr *ibv_attr;
-               /**< Pointer to Verbs attributes. */
-               unsigned int offset;
-               /**< Current position or total size of the attribute. */
-               uint64_t hash_fields; /**< Verbs hash fields. */
-       } queue[RTE_DIM(hash_rxq_init)];
 };
 
 static const struct rte_flow_ops mlx5_flow_ops = {
@@ -529,18 +232,13 @@ static const struct rte_flow_ops mlx5_flow_ops = {
        .create = mlx5_flow_create,
        .destroy = mlx5_flow_destroy,
        .flush = mlx5_flow_flush,
-#ifdef HAVE_IBV_DEVICE_COUNTERS_SET_SUPPORT
-       .query = mlx5_flow_query,
-#else
-       .query = NULL,
-#endif
        .isolate = mlx5_flow_isolate,
+       .query = mlx5_flow_query,
 };
 
 /* 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;
@@ -560,1880 +258,1793 @@ 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;
 };
 
-/* Verbs specification header. */
-struct ibv_spec_header {
-       enum ibv_flow_spec_type type;
-       uint16_t size;
+/* Map of Verbs to Flow priority with 8 Verbs priorities. */
+static const uint32_t priority_map_3[][MLX5_PRIORITY_MAP_MAX] = {
+       { 0, 1, 2 }, { 2, 3, 4 }, { 5, 6, 7 },
 };
 
-/**
- * Check item is fully supported by the NIC matching capability.
- *
- * @param item[in]
- *   Item specification.
- * @param mask[in]
- *   Bit-masks covering supported fields to compare with spec, last and mask in
- *   \item.
- * @param size
- *   Bit-Mask size in bytes.
- *
- * @return
- *   0 on success, a negative errno value otherwise and rte_errno is set.
- */
-static int
-mlx5_flow_item_validate(const struct rte_flow_item *item,
-                       const uint8_t *mask, unsigned int size)
-{
-       unsigned int i;
-       const uint8_t *spec = item->spec;
-       const uint8_t *last = item->last;
-       const uint8_t *m = item->mask ? item->mask : mask;
+/* Map of Verbs to Flow priority with 16 Verbs priorities. */
+static const uint32_t priority_map_5[][MLX5_PRIORITY_MAP_MAX] = {
+       { 0, 1, 2 }, { 3, 4, 5 }, { 6, 7, 8 },
+       { 9, 10, 11 }, { 12, 13, 14 },
+};
 
-       if (!spec && (item->mask || last))
-               goto error;
-       if (!spec)
-               return 0;
-       /*
-        * Single-pass check to make sure that:
-        * - item->mask is supported, no bits are set outside mask.
-        * - Both masked item->spec and item->last are equal (no range
-        *   supported).
-        */
-       for (i = 0; i < size; i++) {
-               if (!m[i])
-                       continue;
-               if ((m[i] | mask[i]) != mask[i])
-                       goto error;
-               if (last && ((spec[i] & m[i]) != (last[i] & m[i])))
-                       goto error;
-       }
-       return 0;
-error:
-       rte_errno = ENOTSUP;
-       return -rte_errno;
-}
+/* Tunnel information. */
+struct mlx5_flow_tunnel_info {
+       uint64_t tunnel; /**< Tunnel bit (see MLX5_FLOW_*). */
+       uint32_t ptype; /**< Tunnel Ptype (see RTE_PTYPE_*). */
+};
+
+static struct mlx5_flow_tunnel_info tunnels_info[] = {
+       {
+               .tunnel = MLX5_FLOW_LAYER_VXLAN,
+               .ptype = RTE_PTYPE_TUNNEL_VXLAN | RTE_PTYPE_L4_UDP,
+       },
+       {
+               .tunnel = MLX5_FLOW_LAYER_VXLAN_GPE,
+               .ptype = RTE_PTYPE_TUNNEL_VXLAN_GPE | RTE_PTYPE_L4_UDP,
+       },
+       {
+               .tunnel = MLX5_FLOW_LAYER_GRE,
+               .ptype = RTE_PTYPE_TUNNEL_GRE,
+       },
+       {
+               .tunnel = MLX5_FLOW_LAYER_MPLS | MLX5_FLOW_LAYER_OUTER_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,
+       },
+};
 
 /**
- * Extract attribute to the parser.
+ * Discover the maximum number of priority available.
  *
- * @param[in] attr
- *   Flow rule attributes.
- * @param[out] error
- *   Perform verbose error reporting if not NULL.
+ * @param[in] dev
+ *   Pointer to the Ethernet device structure.
  *
  * @return
- *   0 on success, a negative errno value otherwise and rte_errno is set.
+ *   number of supported flow priority on success, a negative errno
+ *   value otherwise and rte_errno is set.
  */
-static int
-mlx5_flow_convert_attributes(const struct rte_flow_attr *attr,
-                            struct rte_flow_error *error)
+int
+mlx5_flow_discover_priorities(struct rte_eth_dev *dev)
 {
-       if (attr->group) {
-               rte_flow_error_set(error, ENOTSUP,
-                                  RTE_FLOW_ERROR_TYPE_ATTR_GROUP,
-                                  NULL,
-                                  "groups are not supported");
-               return -rte_errno;
-       }
-       if (attr->priority && attr->priority != MLX5_CTRL_FLOW_PRIORITY) {
-               rte_flow_error_set(error, ENOTSUP,
-                                  RTE_FLOW_ERROR_TYPE_ATTR_PRIORITY,
-                                  NULL,
-                                  "priorities are not supported");
-               return -rte_errno;
-       }
-       if (attr->egress) {
-               rte_flow_error_set(error, ENOTSUP,
-                                  RTE_FLOW_ERROR_TYPE_ATTR_EGRESS,
-                                  NULL,
-                                  "egress is not supported");
+       struct mlx5_priv *priv = dev->data->dev_private;
+       struct {
+               struct ibv_flow_attr attr;
+               struct ibv_flow_spec_eth eth;
+               struct ibv_flow_spec_action_drop drop;
+       } flow_attr = {
+               .attr = {
+                       .num_of_specs = 2,
+                       .port = (uint8_t)priv->ibv_port,
+               },
+               .eth = {
+                       .type = IBV_FLOW_SPEC_ETH,
+                       .size = sizeof(struct ibv_flow_spec_eth),
+               },
+               .drop = {
+                       .size = sizeof(struct ibv_flow_spec_action_drop),
+                       .type = IBV_FLOW_SPEC_ACTION_DROP,
+               },
+       };
+       struct ibv_flow *flow;
+       struct mlx5_hrxq *drop = mlx5_hrxq_drop_new(dev);
+       uint16_t vprio[] = { 8, 16 };
+       int i;
+       int priority = 0;
+
+       if (!drop) {
+               rte_errno = ENOTSUP;
                return -rte_errno;
        }
-       if (attr->transfer) {
-               rte_flow_error_set(error, ENOTSUP,
-                                  RTE_FLOW_ERROR_TYPE_ATTR_TRANSFER,
-                                  NULL,
-                                  "transfer is not supported");
-               return -rte_errno;
+       for (i = 0; i != RTE_DIM(vprio); i++) {
+               flow_attr.attr.priority = vprio[i] - 1;
+               flow = mlx5_glue->create_flow(drop->qp, &flow_attr.attr);
+               if (!flow)
+                       break;
+               claim_zero(mlx5_glue->destroy_flow(flow));
+               priority = vprio[i];
        }
-       if (!attr->ingress) {
-               rte_flow_error_set(error, ENOTSUP,
-                                  RTE_FLOW_ERROR_TYPE_ATTR_INGRESS,
-                                  NULL,
-                                  "only ingress is supported");
+       mlx5_hrxq_drop_release(dev);
+       switch (priority) {
+       case 8:
+               priority = RTE_DIM(priority_map_3);
+               break;
+       case 16:
+               priority = RTE_DIM(priority_map_5);
+               break;
+       default:
+               rte_errno = ENOTSUP;
+               DRV_LOG(ERR,
+                       "port %u verbs maximum priority: %d expected 8/16",
+                       dev->data->port_id, priority);
                return -rte_errno;
        }
-       return 0;
+       DRV_LOG(INFO, "port %u flow maximum priority: %d",
+               dev->data->port_id, priority);
+       return priority;
 }
 
 /**
- * Extract actions request to the parser.
+ * Adjust flow priority based on the highest layer and the request priority.
  *
- * @param dev
- *   Pointer to Ethernet device.
- * @param[in] actions
- *   Associated actions (list terminated by the END action).
- * @param[out] error
- *   Perform verbose error reporting if not NULL.
- * @param[in, out] parser
- *   Internal parser structure.
+ * @param[in] dev
+ *   Pointer to the Ethernet device structure.
+ * @param[in] priority
+ *   The rule base priority.
+ * @param[in] subpriority
+ *   The priority based on the items.
  *
  * @return
- *   0 on success, a negative errno value otherwise and rte_errno is set.
+ *   The new priority.
  */
-static int
-mlx5_flow_convert_actions(struct rte_eth_dev *dev,
-                         const struct rte_flow_action actions[],
-                         struct rte_flow_error *error,
-                         struct mlx5_flow_parse *parser)
+uint32_t mlx5_flow_adjust_priority(struct rte_eth_dev *dev, int32_t priority,
+                                  uint32_t subpriority)
 {
-       enum { FATE = 1, MARK = 2, COUNT = 4, };
-       uint32_t overlap = 0;
-       struct priv *priv = dev->data->dev_private;
+       uint32_t res = 0;
+       struct mlx5_priv *priv = dev->data->dev_private;
 
-       for (; actions->type != RTE_FLOW_ACTION_TYPE_END; ++actions) {
-               if (actions->type == RTE_FLOW_ACTION_TYPE_VOID) {
-                       continue;
-               } else if (actions->type == RTE_FLOW_ACTION_TYPE_DROP) {
-                       if (overlap & FATE)
-                               goto exit_action_overlap;
-                       overlap |= FATE;
-                       parser->drop = 1;
-               } else if (actions->type == RTE_FLOW_ACTION_TYPE_QUEUE) {
-                       const struct rte_flow_action_queue *queue =
-                               (const struct rte_flow_action_queue *)
-                               actions->conf;
-
-                       if (overlap & FATE)
-                               goto exit_action_overlap;
-                       overlap |= FATE;
-                       if (!queue || (queue->index > (priv->rxqs_n - 1)))
-                               goto exit_action_not_supported;
-                       parser->queues[0] = queue->index;
-                       parser->rss_conf = (struct rte_flow_action_rss){
-                               .queue_num = 1,
-                               .queue = parser->queues,
-                       };
-               } else if (actions->type == RTE_FLOW_ACTION_TYPE_RSS) {
-                       const struct rte_flow_action_rss *rss =
-                               (const struct rte_flow_action_rss *)
-                               actions->conf;
-                       const uint8_t *rss_key;
-                       uint32_t rss_key_len;
-                       uint16_t n;
-
-                       if (overlap & FATE)
-                               goto exit_action_overlap;
-                       overlap |= FATE;
-                       if (rss->func &&
-                           rss->func != RTE_ETH_HASH_FUNCTION_TOEPLITZ) {
-                               rte_flow_error_set(error, EINVAL,
-                                                  RTE_FLOW_ERROR_TYPE_ACTION,
-                                                  actions,
-                                                  "the only supported RSS hash"
-                                                  " function is Toeplitz");
-                               return -rte_errno;
-                       }
-#ifndef HAVE_IBV_DEVICE_TUNNEL_SUPPORT
-                       if (parser->rss_conf.level > 1) {
-                               rte_flow_error_set(error, EINVAL,
-                                                  RTE_FLOW_ERROR_TYPE_ACTION,
-                                                  actions,
-                                                  "a nonzero RSS encapsulation"
-                                                  " level is not supported");
-                               return -rte_errno;
-                       }
-#endif
-                       if (parser->rss_conf.level > 2) {
-                               rte_flow_error_set(error, EINVAL,
-                                                  RTE_FLOW_ERROR_TYPE_ACTION,
-                                                  actions,
-                                                  "RSS encapsulation level"
-                                                  " > 1 is not supported");
-                               return -rte_errno;
-                       }
-                       if (rss->types & MLX5_RSS_HF_MASK) {
-                               rte_flow_error_set(error, EINVAL,
-                                                  RTE_FLOW_ERROR_TYPE_ACTION,
-                                                  actions,
-                                                  "unsupported RSS type"
-                                                  " requested");
-                               return -rte_errno;
-                       }
-                       if (rss->key_len) {
-                               rss_key_len = rss->key_len;
-                               rss_key = rss->key;
-                       } else {
-                               rss_key_len = rss_hash_default_key_len;
-                               rss_key = rss_hash_default_key;
-                       }
-                       if (rss_key_len != RTE_DIM(parser->rss_key)) {
-                               rte_flow_error_set(error, EINVAL,
-                                                  RTE_FLOW_ERROR_TYPE_ACTION,
-                                                  actions,
-                                                  "RSS hash key must be"
-                                                  " exactly 40 bytes long");
-                               return -rte_errno;
-                       }
-                       if (!rss->queue_num) {
-                               rte_flow_error_set(error, EINVAL,
-                                                  RTE_FLOW_ERROR_TYPE_ACTION,
-                                                  actions,
-                                                  "no valid queues");
-                               return -rte_errno;
-                       }
-                       if (rss->queue_num > RTE_DIM(parser->queues)) {
-                               rte_flow_error_set(error, EINVAL,
-                                                  RTE_FLOW_ERROR_TYPE_ACTION,
-                                                  actions,
-                                                  "too many queues for RSS"
-                                                  " context");
-                               return -rte_errno;
-                       }
-                       for (n = 0; n < rss->queue_num; ++n) {
-                               if (rss->queue[n] >= priv->rxqs_n) {
-                                       rte_flow_error_set(error, EINVAL,
-                                                  RTE_FLOW_ERROR_TYPE_ACTION,
-                                                  actions,
-                                                  "queue id > number of"
-                                                  " queues");
-                                       return -rte_errno;
-                               }
-                       }
-                       parser->rss_conf = (struct rte_flow_action_rss){
-                               .func = RTE_ETH_HASH_FUNCTION_DEFAULT,
-                               .level = rss->level ? rss->level : 1,
-                               .types = rss->types,
-                               .key_len = rss_key_len,
-                               .queue_num = rss->queue_num,
-                               .key = memcpy(parser->rss_key, rss_key,
-                                             sizeof(*rss_key) * rss_key_len),
-                               .queue = memcpy(parser->queues, rss->queue,
-                                               sizeof(*rss->queue) *
-                                               rss->queue_num),
-                       };
-               } else if (actions->type == RTE_FLOW_ACTION_TYPE_MARK) {
-                       const struct rte_flow_action_mark *mark =
-                               (const struct rte_flow_action_mark *)
-                               actions->conf;
-
-                       if (overlap & MARK)
-                               goto exit_action_overlap;
-                       overlap |= MARK;
-                       if (!mark) {
-                               rte_flow_error_set(error, EINVAL,
-                                                  RTE_FLOW_ERROR_TYPE_ACTION,
-                                                  actions,
-                                                  "mark must be defined");
-                               return -rte_errno;
-                       } else if (mark->id >= MLX5_FLOW_MARK_MAX) {
-                               rte_flow_error_set(error, ENOTSUP,
-                                                  RTE_FLOW_ERROR_TYPE_ACTION,
-                                                  actions,
-                                                  "mark must be between 0"
-                                                  " and 16777199");
-                               return -rte_errno;
-                       }
-                       parser->mark = 1;
-                       parser->mark_id = mark->id;
-               } else if (actions->type == RTE_FLOW_ACTION_TYPE_FLAG) {
-                       if (overlap & MARK)
-                               goto exit_action_overlap;
-                       overlap |= MARK;
-                       parser->mark = 1;
-               } else if (actions->type == RTE_FLOW_ACTION_TYPE_COUNT &&
-                          priv->config.flow_counter_en) {
-                       if (overlap & COUNT)
-                               goto exit_action_overlap;
-                       overlap |= COUNT;
-                       parser->count = 1;
-               } else {
-                       goto exit_action_not_supported;
-               }
-       }
-       /* When fate is unknown, drop traffic. */
-       if (!(overlap & FATE))
-               parser->drop = 1;
-       if (parser->drop && parser->mark)
-               parser->mark = 0;
-       if (!parser->rss_conf.queue_num && !parser->drop) {
-               rte_flow_error_set(error, ENOTSUP, RTE_FLOW_ERROR_TYPE_HANDLE,
-                                  NULL, "no valid action");
-               return -rte_errno;
+       switch (priv->config.flow_prio) {
+       case RTE_DIM(priority_map_3):
+               res = priority_map_3[priority][subpriority];
+               break;
+       case RTE_DIM(priority_map_5):
+               res = priority_map_5[priority][subpriority];
+               break;
        }
-       return 0;
-exit_action_not_supported:
-       rte_flow_error_set(error, ENOTSUP, RTE_FLOW_ERROR_TYPE_ACTION,
-                          actions, "action not supported");
-       return -rte_errno;
-exit_action_overlap:
-       rte_flow_error_set(error, ENOTSUP, RTE_FLOW_ERROR_TYPE_ACTION,
-                          actions, "overlapping actions are not supported");
-       return -rte_errno;
+       return  res;
 }
 
 /**
- * Validate items.
+ * Verify the @p item specifications (spec, last, mask) are compatible with the
+ * NIC capabilities.
  *
- * @param[in] items
- *   Pattern specification (list terminated by the END pattern item).
+ * @param[in] item
+ *   Item specification.
+ * @param[in] mask
+ *   @p item->mask or flow default bit-masks.
+ * @param[in] nic_mask
+ *   Bit-masks covering supported fields by the NIC to compare with user mask.
+ * @param[in] size
+ *   Bit-masks size in bytes.
  * @param[out] error
- *   Perform verbose error reporting if not NULL.
- * @param[in, out] parser
- *   Internal parser structure.
+ *   Pointer to error structure.
  *
  * @return
  *   0 on success, a negative errno value otherwise and rte_errno is set.
  */
-static int
-mlx5_flow_convert_items_validate(struct rte_eth_dev *dev,
-                                const struct rte_flow_item items[],
-                                struct rte_flow_error *error,
-                                struct mlx5_flow_parse *parser)
+int
+mlx5_flow_item_acceptable(const struct rte_flow_item *item,
+                         const uint8_t *mask,
+                         const uint8_t *nic_mask,
+                         unsigned int size,
+                         struct rte_flow_error *error)
 {
-       struct priv *priv = dev->data->dev_private;
-       const struct mlx5_flow_items *cur_item = mlx5_flow_items;
        unsigned int i;
-       unsigned int last_voids = 0;
-       int ret = 0;
 
-       /* Initialise the offsets to start after verbs attribute. */
-       for (i = 0; i != hash_rxq_init_n; ++i)
-               parser->queue[i].offset = sizeof(struct ibv_flow_attr);
-       for (; items->type != RTE_FLOW_ITEM_TYPE_END; ++items) {
-               const struct mlx5_flow_items *token = NULL;
-               unsigned int n;
+       assert(nic_mask);
+       for (i = 0; i < size; ++i)
+               if ((nic_mask[i] | mask[i]) != nic_mask[i])
+                       return rte_flow_error_set(error, ENOTSUP,
+                                                 RTE_FLOW_ERROR_TYPE_ITEM,
+                                                 item,
+                                                 "mask enables non supported"
+                                                 " bits");
+       if (!item->spec && (item->mask || item->last))
+               return rte_flow_error_set(error, EINVAL,
+                                         RTE_FLOW_ERROR_TYPE_ITEM, item,
+                                         "mask/last without a spec is not"
+                                         " supported");
+       if (item->spec && item->last) {
+               uint8_t spec[size];
+               uint8_t last[size];
+               unsigned int i;
+               int ret;
 
-               if (items->type == RTE_FLOW_ITEM_TYPE_VOID) {
-                       last_voids++;
-                       continue;
-               }
-               for (i = 0;
-                    cur_item->items &&
-                    cur_item->items[i] != RTE_FLOW_ITEM_TYPE_END;
-                    ++i) {
-                       if (cur_item->items[i] == items->type) {
-                               token = &mlx5_flow_items[items->type];
-                               break;
-                       }
-               }
-               if (!token) {
-                       ret = -ENOTSUP;
-                       goto exit_item_not_supported;
-               }
-               cur_item = token;
-               ret = mlx5_flow_item_validate(items,
-                                             (const uint8_t *)cur_item->mask,
-                                             cur_item->mask_sz);
-               if (ret)
-                       goto exit_item_not_supported;
-               if (IS_TUNNEL(items->type)) {
-                       if (parser->tunnel &&
-                           !((items - last_voids - 1)->type ==
-                             RTE_FLOW_ITEM_TYPE_GRE && items->type ==
-                             RTE_FLOW_ITEM_TYPE_MPLS)) {
-                               rte_flow_error_set(error, ENOTSUP,
-                                                  RTE_FLOW_ERROR_TYPE_ITEM,
-                                                  items,
-                                                  "Cannot recognize multiple"
-                                                  " tunnel encapsulations.");
-                               return -rte_errno;
-                       }
-                       if (items->type == RTE_FLOW_ITEM_TYPE_MPLS &&
-                           !priv->config.mpls_en) {
-                               rte_flow_error_set(error, ENOTSUP,
-                                                  RTE_FLOW_ERROR_TYPE_ITEM,
-                                                  items,
-                                                  "MPLS not supported or"
-                                                  " disabled in firmware"
-                                                  " configuration.");
-                               return -rte_errno;
-                       }
-                       if (!priv->config.tunnel_en &&
-                           parser->rss_conf.level > 1) {
-                               rte_flow_error_set(error, ENOTSUP,
-                                       RTE_FLOW_ERROR_TYPE_ITEM,
-                                       items,
-                                       "RSS on tunnel is not supported");
-                               return -rte_errno;
-                       }
-                       parser->inner = IBV_FLOW_SPEC_INNER;
-                       parser->tunnel = flow_ptype[items->type];
+               for (i = 0; i < size; ++i) {
+                       spec[i] = ((const uint8_t *)item->spec)[i] & mask[i];
+                       last[i] = ((const uint8_t *)item->last)[i] & mask[i];
                }
-               if (parser->drop) {
-                       parser->queue[HASH_RXQ_ETH].offset += cur_item->dst_sz;
-               } else {
-                       for (n = 0; n != hash_rxq_init_n; ++n)
-                               parser->queue[n].offset += cur_item->dst_sz;
-               }
-               last_voids = 0;
-       }
-       if (parser->drop) {
-               parser->queue[HASH_RXQ_ETH].offset +=
-                       sizeof(struct ibv_flow_spec_action_drop);
-       }
-       if (parser->mark) {
-               for (i = 0; i != hash_rxq_init_n; ++i)
-                       parser->queue[i].offset +=
-                               sizeof(struct ibv_flow_spec_action_tag);
-       }
-       if (parser->count) {
-               unsigned int size = sizeof(struct ibv_flow_spec_counter_action);
-
-               for (i = 0; i != hash_rxq_init_n; ++i)
-                       parser->queue[i].offset += size;
+               ret = memcmp(spec, last, size);
+               if (ret != 0)
+                       return rte_flow_error_set(error, EINVAL,
+                                                 RTE_FLOW_ERROR_TYPE_ITEM,
+                                                 item,
+                                                 "range is not valid");
        }
        return 0;
-exit_item_not_supported:
-       return rte_flow_error_set(error, -ret, RTE_FLOW_ERROR_TYPE_ITEM,
-                                 items, "item not supported");
 }
 
 /**
- * Allocate memory space to store verbs flow attributes.
+ * Adjust the hash fields according to the @p flow information.
  *
- * @param[in] size
- *   Amount of byte to allocate.
- * @param[out] error
- *   Perform verbose error reporting if not NULL.
+ * @param[in] dev_flow.
+ *   Pointer to the mlx5_flow.
+ * @param[in] tunnel
+ *   1 when the hash field is for a tunnel item.
+ * @param[in] layer_types
+ *   ETH_RSS_* types.
+ * @param[in] hash_fields
+ *   Item hash fields.
  *
  * @return
- *   A verbs flow attribute on success, NULL otherwise and rte_errno is set.
+ *   The hash fileds that should be used.
  */
-static struct ibv_flow_attr *
-mlx5_flow_convert_allocate(unsigned int size, struct rte_flow_error *error)
+uint64_t
+mlx5_flow_hashfields_adjust(struct mlx5_flow *dev_flow,
+                           int tunnel __rte_unused, uint64_t layer_types,
+                           uint64_t hash_fields)
 {
-       struct ibv_flow_attr *ibv_attr;
+       struct rte_flow *flow = dev_flow->flow;
+#ifdef HAVE_IBV_DEVICE_TUNNEL_SUPPORT
+       int rss_request_inner = flow->rss.level >= 2;
 
-       ibv_attr = rte_calloc(__func__, 1, size, 0);
-       if (!ibv_attr) {
-               rte_flow_error_set(error, ENOMEM,
-                                  RTE_FLOW_ERROR_TYPE_UNSPECIFIED,
-                                  NULL,
-                                  "cannot allocate verbs spec attributes");
-               return NULL;
-       }
-       return ibv_attr;
+       /* Check RSS hash level for tunnel. */
+       if (tunnel && rss_request_inner)
+               hash_fields |= IBV_RX_HASH_INNER;
+       else if (tunnel || rss_request_inner)
+               return 0;
+#endif
+       /* Check if requested layer matches RSS hash fields. */
+       if (!(flow->rss.types & layer_types))
+               return 0;
+       return hash_fields;
 }
 
 /**
- * Make inner packet matching with an higher priority from the non Inner
- * matching.
+ * Lookup and set the ptype in the data Rx part.  A single Ptype can be used,
+ * if several tunnel rules are used on this queue, the tunnel ptype will be
+ * cleared.
  *
- * @param dev
- *   Pointer to Ethernet device.
- * @param[in, out] parser
- *   Internal parser structure.
- * @param attr
- *   User flow attribute.
+ * @param rxq_ctrl
+ *   Rx queue to update.
  */
 static void
-mlx5_flow_update_priority(struct rte_eth_dev *dev,
-                         struct mlx5_flow_parse *parser,
-                         const struct rte_flow_attr *attr)
+flow_rxq_tunnel_ptype_update(struct mlx5_rxq_ctrl *rxq_ctrl)
 {
-       struct priv *priv = dev->data->dev_private;
        unsigned int i;
-       uint16_t priority;
+       uint32_t tunnel_ptype = 0;
 
-       /*                      8 priorities    >= 16 priorities
-        * Control flow:        4-7             8-15
-        * User normal flow:    1-3             4-7
-        * User tunnel flow:    0-2             0-3
-        */
-       priority = attr->priority * MLX5_VERBS_FLOW_PRIO_8;
-       if (priv->config.max_verbs_prio == MLX5_VERBS_FLOW_PRIO_8)
-               priority /= 2;
-       /*
-        * Lower non-tunnel flow Verbs priority 1 if only support 8 Verbs
-        * priorities, lower 4 otherwise.
-        */
-       if (!parser->inner) {
-               if (priv->config.max_verbs_prio == MLX5_VERBS_FLOW_PRIO_8)
-                       priority += 1;
-               else
-                       priority += MLX5_VERBS_FLOW_PRIO_8 / 2;
-       }
-       if (parser->drop) {
-               parser->queue[HASH_RXQ_ETH].ibv_attr->priority = priority +
-                               hash_rxq_init[HASH_RXQ_ETH].flow_priority;
-               return;
-       }
-       for (i = 0; i != hash_rxq_init_n; ++i) {
-               if (!parser->queue[i].ibv_attr)
+       /* Look up for the ptype to use. */
+       for (i = 0; i != MLX5_FLOW_TUNNEL; ++i) {
+               if (!rxq_ctrl->flow_tunnels_n[i])
                        continue;
-               parser->queue[i].ibv_attr->priority = priority +
-                               hash_rxq_init[i].flow_priority;
+               if (!tunnel_ptype) {
+                       tunnel_ptype = tunnels_info[i].ptype;
+               } else {
+                       tunnel_ptype = 0;
+                       break;
+               }
        }
+       rxq_ctrl->rxq.tunnel = tunnel_ptype;
 }
 
 /**
- * Finalise verbs flow attributes.
+ * Set the Rx queue flags (Mark/Flag and Tunnel Ptypes) according to the devive
+ * flow.
  *
- * @param[in, out] parser
- *   Internal parser structure.
+ * @param[in] dev
+ *   Pointer to the Ethernet device structure.
+ * @param[in] dev_flow
+ *   Pointer to device flow structure.
  */
 static void
-mlx5_flow_convert_finalise(struct mlx5_flow_parse *parser)
+flow_drv_rxq_flags_set(struct rte_eth_dev *dev, struct mlx5_flow *dev_flow)
 {
+       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));
+       const int tunnel = !!(dev_flow->layers & MLX5_FLOW_LAYER_TUNNEL);
        unsigned int i;
-       uint32_t inner = parser->inner;
 
-       /* Don't create extra flows for outer RSS. */
-       if (parser->tunnel && parser->rss_conf.level < 2)
-               return;
-       /*
-        * Fill missing layers in verbs specifications, or compute the correct
-        * offset to allocate the memory space for the attributes and
-        * specifications.
-        */
-       for (i = 0; i != hash_rxq_init_n - 1; ++i) {
-               union {
-                       struct ibv_flow_spec_ipv4_ext ipv4;
-                       struct ibv_flow_spec_ipv6 ipv6;
-                       struct ibv_flow_spec_tcp_udp udp_tcp;
-                       struct ibv_flow_spec_eth eth;
-               } specs;
-               void *dst;
-               uint16_t size;
-
-               if (i == parser->layer)
-                       continue;
-               if (parser->layer == HASH_RXQ_ETH ||
-                   parser->layer == HASH_RXQ_TUNNEL) {
-                       if (hash_rxq_init[i].ip_version == MLX5_IPV4) {
-                               size = sizeof(struct ibv_flow_spec_ipv4_ext);
-                               specs.ipv4 = (struct ibv_flow_spec_ipv4_ext){
-                                       .type = inner | IBV_FLOW_SPEC_IPV4_EXT,
-                                       .size = size,
-                               };
-                       } else {
-                               size = sizeof(struct ibv_flow_spec_ipv6);
-                               specs.ipv6 = (struct ibv_flow_spec_ipv6){
-                                       .type = inner | IBV_FLOW_SPEC_IPV6,
-                                       .size = size,
-                               };
-                       }
-                       if (parser->queue[i].ibv_attr) {
-                               dst = (void *)((uintptr_t)
-                                              parser->queue[i].ibv_attr +
-                                              parser->queue[i].offset);
-                               memcpy(dst, &specs, size);
-                               ++parser->queue[i].ibv_attr->num_of_specs;
-                       }
-                       parser->queue[i].offset += size;
+       for (i = 0; i != flow->rss.queue_num; ++i) {
+               int idx = (*flow->queue)[i];
+               struct mlx5_rxq_ctrl *rxq_ctrl =
+                       container_of((*priv->rxqs)[idx],
+                                    struct mlx5_rxq_ctrl, rxq);
+
+               if (mark) {
+                       rxq_ctrl->rxq.mark = 1;
+                       rxq_ctrl->flow_mark_n++;
                }
-               if ((i == HASH_RXQ_UDPV4) || (i == HASH_RXQ_TCPV4) ||
-                   (i == HASH_RXQ_UDPV6) || (i == HASH_RXQ_TCPV6)) {
-                       size = sizeof(struct ibv_flow_spec_tcp_udp);
-                       specs.udp_tcp = (struct ibv_flow_spec_tcp_udp) {
-                               .type = inner | ((i == HASH_RXQ_UDPV4 ||
-                                         i == HASH_RXQ_UDPV6) ?
-                                        IBV_FLOW_SPEC_UDP :
-                                        IBV_FLOW_SPEC_TCP),
-                               .size = size,
-                       };
-                       if (parser->queue[i].ibv_attr) {
-                               dst = (void *)((uintptr_t)
-                                              parser->queue[i].ibv_attr +
-                                              parser->queue[i].offset);
-                               memcpy(dst, &specs, size);
-                               ++parser->queue[i].ibv_attr->num_of_specs;
+               if (tunnel) {
+                       unsigned int j;
+
+                       /* Increase the counter matching the flow. */
+                       for (j = 0; j != MLX5_FLOW_TUNNEL; ++j) {
+                               if ((tunnels_info[j].tunnel &
+                                    dev_flow->layers) ==
+                                   tunnels_info[j].tunnel) {
+                                       rxq_ctrl->flow_tunnels_n[j]++;
+                                       break;
+                               }
                        }
-                       parser->queue[i].offset += size;
+                       flow_rxq_tunnel_ptype_update(rxq_ctrl);
                }
        }
 }
 
 /**
- * Update flows according to pattern and RSS hash fields.
- *
- * @param[in, out] parser
- *   Internal parser structure.
+ * Set the Rx queue flags (Mark/Flag and Tunnel Ptypes) for a flow
  *
- * @return
- *   0 on success, a negative errno value otherwise and rte_errno is set.
+ * @param[in] dev
+ *   Pointer to the Ethernet device structure.
+ * @param[in] flow
+ *   Pointer to flow structure.
  */
-static int
-mlx5_flow_convert_rss(struct mlx5_flow_parse *parser)
+static void
+flow_rxq_flags_set(struct rte_eth_dev *dev, struct rte_flow *flow)
 {
-       unsigned int i;
-       enum hash_rxq_type start;
-       enum hash_rxq_type layer;
-       int outer = parser->tunnel && parser->rss_conf.level < 2;
-       uint64_t rss = parser->rss_conf.types;
-
-       layer = outer ? parser->out_layer : parser->layer;
-       if (layer == HASH_RXQ_TUNNEL)
-               layer = HASH_RXQ_ETH;
-       if (outer) {
-               /* Only one hash type for outer RSS. */
-               if (rss && layer == HASH_RXQ_ETH) {
-                       start = HASH_RXQ_TCPV4;
-               } else if (rss && layer != HASH_RXQ_ETH &&
-                          !(rss & hash_rxq_init[layer].dpdk_rss_hf)) {
-                       /* If RSS not match L4 pattern, try L3 RSS. */
-                       if (layer < HASH_RXQ_IPV4)
-                               layer = HASH_RXQ_IPV4;
-                       else if (layer > HASH_RXQ_IPV4 && layer < HASH_RXQ_IPV6)
-                               layer = HASH_RXQ_IPV6;
-                       start = layer;
-               } else {
-                       start = layer;
-               }
-               /* Scan first valid hash type. */
-               for (i = start; rss && i <= layer; ++i) {
-                       if (!parser->queue[i].ibv_attr)
-                               continue;
-                       if (hash_rxq_init[i].dpdk_rss_hf & rss)
-                               break;
-               }
-               if (rss && i <= layer)
-                       parser->queue[layer].hash_fields =
-                                       hash_rxq_init[i].hash_fields;
-               /* Trim unused hash types. */
-               for (i = 0; i != hash_rxq_init_n; ++i) {
-                       if (parser->queue[i].ibv_attr && i != layer) {
-                               rte_free(parser->queue[i].ibv_attr);
-                               parser->queue[i].ibv_attr = NULL;
-                       }
-               }
-       } else {
-               /* Expand for inner or normal RSS. */
-               if (rss && (layer == HASH_RXQ_ETH || layer == HASH_RXQ_IPV4))
-                       start = HASH_RXQ_TCPV4;
-               else if (rss && layer == HASH_RXQ_IPV6)
-                       start = HASH_RXQ_TCPV6;
-               else
-                       start = layer;
-               /* For L4 pattern, try L3 RSS if no L4 RSS. */
-               /* Trim unused hash types. */
-               for (i = 0; i != hash_rxq_init_n; ++i) {
-                       if (!parser->queue[i].ibv_attr)
-                               continue;
-                       if (i < start || i > layer) {
-                               rte_free(parser->queue[i].ibv_attr);
-                               parser->queue[i].ibv_attr = NULL;
-                               continue;
-                       }
-                       if (!rss)
-                               continue;
-                       if (hash_rxq_init[i].dpdk_rss_hf & rss) {
-                               parser->queue[i].hash_fields =
-                                               hash_rxq_init[i].hash_fields;
-                       } else if (i != layer) {
-                               /* Remove unused RSS expansion. */
-                               rte_free(parser->queue[i].ibv_attr);
-                               parser->queue[i].ibv_attr = NULL;
-                       } else if (layer < HASH_RXQ_IPV4 &&
-                                  (hash_rxq_init[HASH_RXQ_IPV4].dpdk_rss_hf &
-                                   rss)) {
-                               /* Allow IPv4 RSS on L4 pattern. */
-                               parser->queue[i].hash_fields =
-                                       hash_rxq_init[HASH_RXQ_IPV4]
-                                               .hash_fields;
-                       } else if (i > HASH_RXQ_IPV4 && i < HASH_RXQ_IPV6 &&
-                                  (hash_rxq_init[HASH_RXQ_IPV6].dpdk_rss_hf &
-                                   rss)) {
-                               /* Allow IPv4 RSS on L4 pattern. */
-                               parser->queue[i].hash_fields =
-                                       hash_rxq_init[HASH_RXQ_IPV6]
-                                               .hash_fields;
-                       }
-               }
-       }
-       return 0;
+       struct mlx5_flow *dev_flow;
+
+       LIST_FOREACH(dev_flow, &flow->dev_flows, next)
+               flow_drv_rxq_flags_set(dev, dev_flow);
 }
 
 /**
- * Validate and convert a flow supported by the NIC.
+ * Clear the Rx queue flags (Mark/Flag and Tunnel Ptype) associated with the
+ * device flow if no other flow uses it with the same kind of request.
  *
  * @param dev
  *   Pointer to Ethernet device.
- * @param[in] attr
- *   Flow rule attributes.
- * @param[in] pattern
- *   Pattern specification (list terminated by the END pattern item).
- * @param[in] actions
- *   Associated actions (list terminated by the END action).
- * @param[out] error
- *   Perform verbose error reporting if not NULL.
- * @param[in, out] parser
- *   Internal parser structure.
- *
- * @return
- *   0 on success, a negative errno value otherwise and rte_errno is set.
+ * @param[in] dev_flow
+ *   Pointer to the device flow.
  */
-static int
-mlx5_flow_convert(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,
-                 struct mlx5_flow_parse *parser)
+static void
+flow_drv_rxq_flags_trim(struct rte_eth_dev *dev, struct mlx5_flow *dev_flow)
 {
-       const struct mlx5_flow_items *cur_item = mlx5_flow_items;
+       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));
+       const int tunnel = !!(dev_flow->layers & MLX5_FLOW_LAYER_TUNNEL);
        unsigned int i;
-       int ret;
 
-       /* First step. Validate the attributes, items and actions. */
-       *parser = (struct mlx5_flow_parse){
-               .create = parser->create,
-               .layer = HASH_RXQ_ETH,
-               .mark_id = MLX5_FLOW_MARK_DEFAULT,
-       };
-       ret = mlx5_flow_convert_attributes(attr, error);
-       if (ret)
-               return ret;
-       ret = mlx5_flow_convert_actions(dev, actions, error, parser);
-       if (ret)
-               return ret;
-       ret = mlx5_flow_convert_items_validate(dev, items, error, parser);
-       if (ret)
-               return ret;
-       mlx5_flow_convert_finalise(parser);
-       /*
-        * Second step.
-        * Allocate the memory space to store verbs specifications.
-        */
-       if (parser->drop) {
-               unsigned int offset = parser->queue[HASH_RXQ_ETH].offset;
-
-               parser->queue[HASH_RXQ_ETH].ibv_attr =
-                       mlx5_flow_convert_allocate(offset, error);
-               if (!parser->queue[HASH_RXQ_ETH].ibv_attr)
-                       goto exit_enomem;
-               parser->queue[HASH_RXQ_ETH].offset =
-                       sizeof(struct ibv_flow_attr);
-       } else {
-               for (i = 0; i != hash_rxq_init_n; ++i) {
-                       unsigned int offset;
-
-                       offset = parser->queue[i].offset;
-                       parser->queue[i].ibv_attr =
-                               mlx5_flow_convert_allocate(offset, error);
-                       if (!parser->queue[i].ibv_attr)
-                               goto exit_enomem;
-                       parser->queue[i].offset = sizeof(struct ibv_flow_attr);
+       assert(dev->data->dev_started);
+       for (i = 0; i != flow->rss.queue_num; ++i) {
+               int idx = (*flow->queue)[i];
+               struct mlx5_rxq_ctrl *rxq_ctrl =
+                       container_of((*priv->rxqs)[idx],
+                                    struct mlx5_rxq_ctrl, rxq);
+
+               if (mark) {
+                       rxq_ctrl->flow_mark_n--;
+                       rxq_ctrl->rxq.mark = !!rxq_ctrl->flow_mark_n;
                }
-       }
-       /* Third step. Conversion parse, fill the specifications. */
-       parser->inner = 0;
-       parser->tunnel = 0;
-       parser->layer = HASH_RXQ_ETH;
-       for (; items->type != RTE_FLOW_ITEM_TYPE_END; ++items) {
-               struct mlx5_flow_data data = {
-                       .dev = dev,
-                       .parser = parser,
-                       .error = error,
-               };
+               if (tunnel) {
+                       unsigned int j;
 
-               if (items->type == RTE_FLOW_ITEM_TYPE_VOID)
-                       continue;
-               cur_item = &mlx5_flow_items[items->type];
-               ret = cur_item->convert(items,
-                                       (cur_item->default_mask ?
-                                        cur_item->default_mask :
-                                        cur_item->mask),
-                                        &data);
-               if (ret)
-                       goto exit_free;
-       }
-       if (!parser->drop) {
-               /* RSS check, remove unused hash types. */
-               ret = mlx5_flow_convert_rss(parser);
-               if (ret)
-                       goto exit_free;
-               /* Complete missing specification. */
-               mlx5_flow_convert_finalise(parser);
-       }
-       mlx5_flow_update_priority(dev, parser, attr);
-       if (parser->mark)
-               mlx5_flow_create_flag_mark(parser, parser->mark_id);
-       if (parser->count && parser->create) {
-               mlx5_flow_create_count(dev, parser);
-               if (!parser->cs)
-                       goto exit_count_error;
-       }
-exit_free:
-       /* Only verification is expected, all resources should be released. */
-       if (!parser->create) {
-               for (i = 0; i != hash_rxq_init_n; ++i) {
-                       if (parser->queue[i].ibv_attr) {
-                               rte_free(parser->queue[i].ibv_attr);
-                               parser->queue[i].ibv_attr = NULL;
+                       /* Decrease the counter matching the flow. */
+                       for (j = 0; j != MLX5_FLOW_TUNNEL; ++j) {
+                               if ((tunnels_info[j].tunnel &
+                                    dev_flow->layers) ==
+                                   tunnels_info[j].tunnel) {
+                                       rxq_ctrl->flow_tunnels_n[j]--;
+                                       break;
+                               }
                        }
+                       flow_rxq_tunnel_ptype_update(rxq_ctrl);
                }
        }
-       return ret;
-exit_enomem:
-       for (i = 0; i != hash_rxq_init_n; ++i) {
-               if (parser->queue[i].ibv_attr) {
-                       rte_free(parser->queue[i].ibv_attr);
-                       parser->queue[i].ibv_attr = NULL;
-               }
-       }
-       rte_flow_error_set(error, ENOMEM, RTE_FLOW_ERROR_TYPE_UNSPECIFIED,
-                          NULL, "cannot allocate verbs spec attributes");
-       return -rte_errno;
-exit_count_error:
-       rte_flow_error_set(error, EINVAL, RTE_FLOW_ERROR_TYPE_UNSPECIFIED,
-                          NULL, "cannot create counter");
-       return -rte_errno;
 }
 
 /**
- * Copy the specification created into the flow.
- *
- * @param parser
- *   Internal parser structure.
- * @param src
- *   Create specification.
- * @param size
- *   Size in bytes of the specification to copy.
+ * Clear the Rx queue flags (Mark/Flag and Tunnel Ptype) associated with the
+ * @p flow if no other flow uses it with the same kind of request.
+ *
+ * @param dev
+ *   Pointer to Ethernet device.
+ * @param[in] flow
+ *   Pointer to the flow.
+ */
+static void
+flow_rxq_flags_trim(struct rte_eth_dev *dev, struct rte_flow *flow)
+{
+       struct mlx5_flow *dev_flow;
+
+       LIST_FOREACH(dev_flow, &flow->dev_flows, next)
+               flow_drv_rxq_flags_trim(dev, dev_flow);
+}
+
+/**
+ * Clear the Mark/Flag and Tunnel ptype information in all Rx queues.
+ *
+ * @param dev
+ *   Pointer to Ethernet device.
  */
 static void
-mlx5_flow_create_copy(struct mlx5_flow_parse *parser, void *src,
-                     unsigned int size)
+flow_rxq_flags_clear(struct rte_eth_dev *dev)
 {
+       struct mlx5_priv *priv = dev->data->dev_private;
        unsigned int i;
-       void *dst;
 
-       for (i = 0; i != hash_rxq_init_n; ++i) {
-               if (!parser->queue[i].ibv_attr)
+       for (i = 0; i != priv->rxqs_n; ++i) {
+               struct mlx5_rxq_ctrl *rxq_ctrl;
+               unsigned int j;
+
+               if (!(*priv->rxqs)[i])
                        continue;
-               dst = (void *)((uintptr_t)parser->queue[i].ibv_attr +
-                               parser->queue[i].offset);
-               memcpy(dst, src, size);
-               ++parser->queue[i].ibv_attr->num_of_specs;
-               parser->queue[i].offset += size;
+               rxq_ctrl = container_of((*priv->rxqs)[i],
+                                       struct mlx5_rxq_ctrl, rxq);
+               rxq_ctrl->flow_mark_n = 0;
+               rxq_ctrl->rxq.mark = 0;
+               for (j = 0; j != MLX5_FLOW_TUNNEL; ++j)
+                       rxq_ctrl->flow_tunnels_n[j] = 0;
+               rxq_ctrl->rxq.tunnel = 0;
        }
 }
 
-/**
- * Convert Ethernet item to Verbs specification.
+/*
+ * Validate the flag action.
  *
- * @param item[in]
- *   Item specification.
- * @param default_mask[in]
- *   Default bit-masks to use when item->mask is not provided.
- * @param data[in, out]
- *   User structure.
+ * @param[in] action_flags
+ *   Bit-fields that holds the actions detected until now.
+ * @param[in] attr
+ *   Attributes of flow that includes this action.
+ * @param[out] error
+ *   Pointer to error structure.
  *
  * @return
  *   0 on success, a negative errno value otherwise and rte_errno is set.
  */
-static int
-mlx5_flow_create_eth(const struct rte_flow_item *item,
-                    const void *default_mask,
-                    struct mlx5_flow_data *data)
+int
+mlx5_flow_validate_action_flag(uint64_t action_flags,
+                              const struct rte_flow_attr *attr,
+                              struct rte_flow_error *error)
 {
-       const struct rte_flow_item_eth *spec = item->spec;
-       const struct rte_flow_item_eth *mask = item->mask;
-       struct mlx5_flow_parse *parser = data->parser;
-       const unsigned int eth_size = sizeof(struct ibv_flow_spec_eth);
-       struct ibv_flow_spec_eth eth = {
-               .type = parser->inner | IBV_FLOW_SPEC_ETH,
-               .size = eth_size,
-       };
-
-       parser->layer = HASH_RXQ_ETH;
-       if (spec) {
-               unsigned int i;
 
-               if (!mask)
-                       mask = default_mask;
-               memcpy(&eth.val.dst_mac, spec->dst.addr_bytes, ETHER_ADDR_LEN);
-               memcpy(&eth.val.src_mac, spec->src.addr_bytes, ETHER_ADDR_LEN);
-               eth.val.ether_type = spec->type;
-               memcpy(&eth.mask.dst_mac, mask->dst.addr_bytes, ETHER_ADDR_LEN);
-               memcpy(&eth.mask.src_mac, mask->src.addr_bytes, ETHER_ADDR_LEN);
-               eth.mask.ether_type = mask->type;
-               /* Remove unwanted bits from values. */
-               for (i = 0; i < ETHER_ADDR_LEN; ++i) {
-                       eth.val.dst_mac[i] &= eth.mask.dst_mac[i];
-                       eth.val.src_mac[i] &= eth.mask.src_mac[i];
-               }
-               eth.val.ether_type &= eth.mask.ether_type;
-       }
-       mlx5_flow_create_copy(parser, &eth, eth_size);
+       if (action_flags & MLX5_FLOW_ACTION_DROP)
+               return rte_flow_error_set(error, EINVAL,
+                                         RTE_FLOW_ERROR_TYPE_ACTION, NULL,
+                                         "can't drop and flag in same flow");
+       if (action_flags & MLX5_FLOW_ACTION_MARK)
+               return rte_flow_error_set(error, EINVAL,
+                                         RTE_FLOW_ERROR_TYPE_ACTION, NULL,
+                                         "can't mark and flag in same flow");
+       if (action_flags & MLX5_FLOW_ACTION_FLAG)
+               return rte_flow_error_set(error, EINVAL,
+                                         RTE_FLOW_ERROR_TYPE_ACTION, NULL,
+                                         "can't have 2 flag"
+                                         " actions in same flow");
+       if (attr->egress)
+               return rte_flow_error_set(error, ENOTSUP,
+                                         RTE_FLOW_ERROR_TYPE_ATTR_EGRESS, NULL,
+                                         "flag action not supported for "
+                                         "egress");
        return 0;
 }
 
-/**
- * Convert VLAN item to Verbs specification.
+/*
+ * Validate the mark action.
  *
- * @param item[in]
- *   Item specification.
- * @param default_mask[in]
- *   Default bit-masks to use when item->mask is not provided.
- * @param data[in, out]
- *   User structure.
+ * @param[in] action
+ *   Pointer to the queue action.
+ * @param[in] action_flags
+ *   Bit-fields that holds the actions detected until now.
+ * @param[in] attr
+ *   Attributes of flow that includes this action.
+ * @param[out] error
+ *   Pointer to error structure.
  *
  * @return
  *   0 on success, a negative errno value otherwise and rte_errno is set.
  */
-static int
-mlx5_flow_create_vlan(const struct rte_flow_item *item,
-                     const void *default_mask,
-                     struct mlx5_flow_data *data)
+int
+mlx5_flow_validate_action_mark(const struct rte_flow_action *action,
+                              uint64_t action_flags,
+                              const struct rte_flow_attr *attr,
+                              struct rte_flow_error *error)
 {
-       const struct rte_flow_item_vlan *spec = item->spec;
-       const struct rte_flow_item_vlan *mask = item->mask;
-       struct mlx5_flow_parse *parser = data->parser;
-       struct ibv_flow_spec_eth *eth;
-       const unsigned int eth_size = sizeof(struct ibv_flow_spec_eth);
-       const char *msg = "VLAN cannot be empty";
+       const struct rte_flow_action_mark *mark = action->conf;
 
-       if (spec) {
-               unsigned int i;
-               if (!mask)
-                       mask = default_mask;
-
-               for (i = 0; i != hash_rxq_init_n; ++i) {
-                       if (!parser->queue[i].ibv_attr)
-                               continue;
-
-                       eth = (void *)((uintptr_t)parser->queue[i].ibv_attr +
-                                      parser->queue[i].offset - eth_size);
-                       eth->val.vlan_tag = spec->tci;
-                       eth->mask.vlan_tag = mask->tci;
-                       eth->val.vlan_tag &= eth->mask.vlan_tag;
-                       /*
-                        * From verbs perspective an empty VLAN is equivalent
-                        * to a packet without VLAN layer.
-                        */
-                       if (!eth->mask.vlan_tag)
-                               goto error;
-                       /* Outer TPID cannot be matched. */
-                       if (eth->mask.ether_type) {
-                               msg = "VLAN TPID matching is not supported";
-                               goto error;
-                       }
-                       eth->val.ether_type = spec->inner_type;
-                       eth->mask.ether_type = mask->inner_type;
-                       eth->val.ether_type &= eth->mask.ether_type;
-               }
-               return 0;
-       }
-error:
-       return rte_flow_error_set(data->error, EINVAL, RTE_FLOW_ERROR_TYPE_ITEM,
-                                 item, msg);
+       if (!mark)
+               return rte_flow_error_set(error, EINVAL,
+                                         RTE_FLOW_ERROR_TYPE_ACTION,
+                                         action,
+                                         "configuration cannot be null");
+       if (mark->id >= MLX5_FLOW_MARK_MAX)
+               return rte_flow_error_set(error, EINVAL,
+                                         RTE_FLOW_ERROR_TYPE_ACTION_CONF,
+                                         &mark->id,
+                                         "mark id must in 0 <= id < "
+                                         RTE_STR(MLX5_FLOW_MARK_MAX));
+       if (action_flags & MLX5_FLOW_ACTION_DROP)
+               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_ACTION_FLAG)
+               return rte_flow_error_set(error, EINVAL,
+                                         RTE_FLOW_ERROR_TYPE_ACTION, NULL,
+                                         "can't flag and mark in same flow");
+       if (action_flags & MLX5_FLOW_ACTION_MARK)
+               return rte_flow_error_set(error, EINVAL,
+                                         RTE_FLOW_ERROR_TYPE_ACTION, NULL,
+                                         "can't have 2 mark actions in same"
+                                         " flow");
+       if (attr->egress)
+               return rte_flow_error_set(error, ENOTSUP,
+                                         RTE_FLOW_ERROR_TYPE_ATTR_EGRESS, NULL,
+                                         "mark action not supported for "
+                                         "egress");
+       return 0;
 }
 
-/**
- * Convert IPv4 item to Verbs specification.
+/*
+ * Validate the drop action.
  *
- * @param item[in]
- *   Item specification.
- * @param default_mask[in]
- *   Default bit-masks to use when item->mask is not provided.
- * @param data[in, out]
- *   User structure.
+ * @param[in] action_flags
+ *   Bit-fields that holds the actions detected until now.
+ * @param[in] attr
+ *   Attributes of flow that includes this action.
+ * @param[out] error
+ *   Pointer to error structure.
  *
  * @return
  *   0 on success, a negative errno value otherwise and rte_errno is set.
  */
-static int
-mlx5_flow_create_ipv4(const struct rte_flow_item *item,
-                     const void *default_mask,
-                     struct mlx5_flow_data *data)
+int
+mlx5_flow_validate_action_drop(uint64_t action_flags,
+                              const struct rte_flow_attr *attr,
+                              struct rte_flow_error *error)
 {
-       struct priv *priv = data->dev->data->dev_private;
-       const struct rte_flow_item_ipv4 *spec = item->spec;
-       const struct rte_flow_item_ipv4 *mask = item->mask;
-       struct mlx5_flow_parse *parser = data->parser;
-       unsigned int ipv4_size = sizeof(struct ibv_flow_spec_ipv4_ext);
-       struct ibv_flow_spec_ipv4_ext ipv4 = {
-               .type = parser->inner | IBV_FLOW_SPEC_IPV4_EXT,
-               .size = ipv4_size,
-       };
-
-       if (parser->layer == HASH_RXQ_TUNNEL &&
-           parser->tunnel == ptype_ext[PTYPE_IDX(RTE_PTYPE_TUNNEL_VXLAN)] &&
-           !priv->config.l3_vxlan_en)
-               return rte_flow_error_set(data->error, EINVAL,
-                                         RTE_FLOW_ERROR_TYPE_ITEM,
-                                         item,
-                                         "L3 VXLAN not enabled by device"
-                                         " parameter and/or not configured"
-                                         " in firmware");
-       parser->layer = HASH_RXQ_IPV4;
-       if (spec) {
-               if (!mask)
-                       mask = default_mask;
-               ipv4.val = (struct ibv_flow_ipv4_ext_filter){
-                       .src_ip = spec->hdr.src_addr,
-                       .dst_ip = spec->hdr.dst_addr,
-                       .proto = spec->hdr.next_proto_id,
-                       .tos = spec->hdr.type_of_service,
-               };
-               ipv4.mask = (struct ibv_flow_ipv4_ext_filter){
-                       .src_ip = mask->hdr.src_addr,
-                       .dst_ip = mask->hdr.dst_addr,
-                       .proto = mask->hdr.next_proto_id,
-                       .tos = mask->hdr.type_of_service,
-               };
-               /* Remove unwanted bits from values. */
-               ipv4.val.src_ip &= ipv4.mask.src_ip;
-               ipv4.val.dst_ip &= ipv4.mask.dst_ip;
-               ipv4.val.proto &= ipv4.mask.proto;
-               ipv4.val.tos &= ipv4.mask.tos;
-       }
-       mlx5_flow_create_copy(parser, &ipv4, ipv4_size);
+       if (action_flags & MLX5_FLOW_ACTION_FLAG)
+               return rte_flow_error_set(error, EINVAL,
+                                         RTE_FLOW_ERROR_TYPE_ACTION, NULL,
+                                         "can't drop and flag in same flow");
+       if (action_flags & MLX5_FLOW_ACTION_MARK)
+               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)
+               return rte_flow_error_set(error, EINVAL,
+                                         RTE_FLOW_ERROR_TYPE_ACTION, NULL,
+                                         "can't have 2 fate actions in"
+                                         " same flow");
+       if (attr->egress)
+               return rte_flow_error_set(error, ENOTSUP,
+                                         RTE_FLOW_ERROR_TYPE_ATTR_EGRESS, NULL,
+                                         "drop action not supported for "
+                                         "egress");
        return 0;
 }
 
-/**
- * Convert IPv6 item to Verbs specification.
+/*
+ * Validate the queue action.
  *
- * @param item[in]
- *   Item specification.
- * @param default_mask[in]
- *   Default bit-masks to use when item->mask is not provided.
- * @param data[in, out]
- *   User structure.
+ * @param[in] action
+ *   Pointer to the queue action.
+ * @param[in] action_flags
+ *   Bit-fields that holds the actions detected until now.
+ * @param[in] dev
+ *   Pointer to the Ethernet device structure.
+ * @param[in] attr
+ *   Attributes of flow that includes this action.
+ * @param[out] error
+ *   Pointer to error structure.
  *
  * @return
  *   0 on success, a negative errno value otherwise and rte_errno is set.
  */
-static int
-mlx5_flow_create_ipv6(const struct rte_flow_item *item,
-                     const void *default_mask,
-                     struct mlx5_flow_data *data)
+int
+mlx5_flow_validate_action_queue(const struct rte_flow_action *action,
+                               uint64_t action_flags,
+                               struct rte_eth_dev *dev,
+                               const struct rte_flow_attr *attr,
+                               struct rte_flow_error *error)
 {
-       struct priv *priv = data->dev->data->dev_private;
-       const struct rte_flow_item_ipv6 *spec = item->spec;
-       const struct rte_flow_item_ipv6 *mask = item->mask;
-       struct mlx5_flow_parse *parser = data->parser;
-       unsigned int ipv6_size = sizeof(struct ibv_flow_spec_ipv6);
-       struct ibv_flow_spec_ipv6 ipv6 = {
-               .type = parser->inner | IBV_FLOW_SPEC_IPV6,
-               .size = ipv6_size,
-       };
+       struct mlx5_priv *priv = dev->data->dev_private;
+       const struct rte_flow_action_queue *queue = action->conf;
 
-       if (parser->layer == HASH_RXQ_TUNNEL &&
-           parser->tunnel == ptype_ext[PTYPE_IDX(RTE_PTYPE_TUNNEL_VXLAN)] &&
-           !priv->config.l3_vxlan_en)
-               return rte_flow_error_set(data->error, EINVAL,
-                                         RTE_FLOW_ERROR_TYPE_ITEM,
-                                         item,
-                                         "L3 VXLAN not enabled by device"
-                                         " parameter and/or not configured"
-                                         " in firmware");
-       parser->layer = HASH_RXQ_IPV6;
-       if (spec) {
-               unsigned int i;
-               uint32_t vtc_flow_val;
-               uint32_t vtc_flow_mask;
-
-               if (!mask)
-                       mask = default_mask;
-               memcpy(&ipv6.val.src_ip, spec->hdr.src_addr,
-                      RTE_DIM(ipv6.val.src_ip));
-               memcpy(&ipv6.val.dst_ip, spec->hdr.dst_addr,
-                      RTE_DIM(ipv6.val.dst_ip));
-               memcpy(&ipv6.mask.src_ip, mask->hdr.src_addr,
-                      RTE_DIM(ipv6.mask.src_ip));
-               memcpy(&ipv6.mask.dst_ip, mask->hdr.dst_addr,
-                      RTE_DIM(ipv6.mask.dst_ip));
-               vtc_flow_val = rte_be_to_cpu_32(spec->hdr.vtc_flow);
-               vtc_flow_mask = rte_be_to_cpu_32(mask->hdr.vtc_flow);
-               ipv6.val.flow_label =
-                       rte_cpu_to_be_32((vtc_flow_val & IPV6_HDR_FL_MASK) >>
-                                        IPV6_HDR_FL_SHIFT);
-               ipv6.val.traffic_class = (vtc_flow_val & IPV6_HDR_TC_MASK) >>
-                                        IPV6_HDR_TC_SHIFT;
-               ipv6.val.next_hdr = spec->hdr.proto;
-               ipv6.val.hop_limit = spec->hdr.hop_limits;
-               ipv6.mask.flow_label =
-                       rte_cpu_to_be_32((vtc_flow_mask & IPV6_HDR_FL_MASK) >>
-                                        IPV6_HDR_FL_SHIFT);
-               ipv6.mask.traffic_class = (vtc_flow_mask & IPV6_HDR_TC_MASK) >>
-                                         IPV6_HDR_TC_SHIFT;
-               ipv6.mask.next_hdr = mask->hdr.proto;
-               ipv6.mask.hop_limit = mask->hdr.hop_limits;
-               /* Remove unwanted bits from values. */
-               for (i = 0; i < RTE_DIM(ipv6.val.src_ip); ++i) {
-                       ipv6.val.src_ip[i] &= ipv6.mask.src_ip[i];
-                       ipv6.val.dst_ip[i] &= ipv6.mask.dst_ip[i];
-               }
-               ipv6.val.flow_label &= ipv6.mask.flow_label;
-               ipv6.val.traffic_class &= ipv6.mask.traffic_class;
-               ipv6.val.next_hdr &= ipv6.mask.next_hdr;
-               ipv6.val.hop_limit &= ipv6.mask.hop_limit;
-       }
-       mlx5_flow_create_copy(parser, &ipv6, ipv6_size);
+       if (action_flags & MLX5_FLOW_FATE_ACTIONS)
+               return rte_flow_error_set(error, EINVAL,
+                                         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,
+                                         &queue->index,
+                                         "queue index out of range");
+       if (!(*priv->rxqs)[queue->index])
+               return rte_flow_error_set(error, EINVAL,
+                                         RTE_FLOW_ERROR_TYPE_ACTION_CONF,
+                                         &queue->index,
+                                         "queue is not configured");
+       if (attr->egress)
+               return rte_flow_error_set(error, ENOTSUP,
+                                         RTE_FLOW_ERROR_TYPE_ATTR_EGRESS, NULL,
+                                         "queue action not supported for "
+                                         "egress");
        return 0;
 }
 
-/**
- * Convert UDP item to Verbs specification.
+/*
+ * Validate the rss action.
  *
- * @param item[in]
- *   Item specification.
- * @param default_mask[in]
- *   Default bit-masks to use when item->mask is not provided.
- * @param data[in, out]
- *   User structure.
+ * @param[in] action
+ *   Pointer to the queue action.
+ * @param[in] action_flags
+ *   Bit-fields that holds the actions detected until now.
+ * @param[in] dev
+ *   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_errno is set.
  */
-static int
-mlx5_flow_create_udp(const struct rte_flow_item *item,
-                    const void *default_mask,
-                    struct mlx5_flow_data *data)
+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)
 {
-       const struct rte_flow_item_udp *spec = item->spec;
-       const struct rte_flow_item_udp *mask = item->mask;
-       struct mlx5_flow_parse *parser = data->parser;
-       unsigned int udp_size = sizeof(struct ibv_flow_spec_tcp_udp);
-       struct ibv_flow_spec_tcp_udp udp = {
-               .type = parser->inner | IBV_FLOW_SPEC_UDP,
-               .size = udp_size,
-       };
+       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 (parser->layer == HASH_RXQ_IPV4)
-               parser->layer = HASH_RXQ_UDPV4;
-       else
-               parser->layer = HASH_RXQ_UDPV6;
-       if (spec) {
-               if (!mask)
-                       mask = default_mask;
-               udp.val.dst_port = spec->hdr.dst_port;
-               udp.val.src_port = spec->hdr.src_port;
-               udp.mask.dst_port = mask->hdr.dst_port;
-               udp.mask.src_port = mask->hdr.src_port;
-               /* Remove unwanted bits from values. */
-               udp.val.src_port &= udp.mask.src_port;
-               udp.val.dst_port &= udp.mask.dst_port;
-       }
-       mlx5_flow_create_copy(parser, &udp, udp_size);
+       if (action_flags & MLX5_FLOW_FATE_ACTIONS)
+               return rte_flow_error_set(error, EINVAL,
+                                         RTE_FLOW_ERROR_TYPE_ACTION, NULL,
+                                         "can't have 2 fate actions"
+                                         " in same flow");
+       if (rss->func != RTE_ETH_HASH_FUNCTION_DEFAULT &&
+           rss->func != RTE_ETH_HASH_FUNCTION_TOEPLITZ)
+               return rte_flow_error_set(error, ENOTSUP,
+                                         RTE_FLOW_ERROR_TYPE_ACTION_CONF,
+                                         &rss->func,
+                                         "RSS hash function not supported");
+#ifdef HAVE_IBV_DEVICE_TUNNEL_SUPPORT
+       if (rss->level > 2)
+#else
+       if (rss->level > 1)
+#endif
+               return rte_flow_error_set(error, ENOTSUP,
+                                         RTE_FLOW_ERROR_TYPE_ACTION_CONF,
+                                         &rss->level,
+                                         "tunnel RSS is not supported");
+       /* 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,
+                                         "RSS hash key too small");
+       if (rss->key_len > MLX5_RSS_HASH_KEY_LEN)
+               return rte_flow_error_set(error, ENOTSUP,
+                                         RTE_FLOW_ERROR_TYPE_ACTION_CONF,
+                                         &rss->key_len,
+                                         "RSS hash key too large");
+       if (rss->queue_num > priv->config.ind_table_max_size)
+               return rte_flow_error_set(error, ENOTSUP,
+                                         RTE_FLOW_ERROR_TYPE_ACTION_CONF,
+                                         &rss->queue_num,
+                                         "number of queues too large");
+       if (rss->types & MLX5_RSS_HF_MASK)
+               return rte_flow_error_set(error, ENOTSUP,
+                                         RTE_FLOW_ERROR_TYPE_ACTION_CONF,
+                                         &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
+                               (error, EINVAL, RTE_FLOW_ERROR_TYPE_ACTION_CONF,
+                                &rss->queue[i], "queue is not configured");
+       }
+       if (attr->egress)
+               return rte_flow_error_set(error, ENOTSUP,
+                                         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;
 }
 
-/**
- * Convert TCP item to Verbs specification.
+/*
+ * Validate the count action.
  *
- * @param item[in]
- *   Item specification.
- * @param default_mask[in]
- *   Default bit-masks to use when item->mask is not provided.
- * @param data[in, out]
- *   User structure.
+ * @param[in] dev
+ *   Pointer to the Ethernet device structure.
+ * @param[in] attr
+ *   Attributes of flow that includes this action.
+ * @param[out] error
+ *   Pointer to error structure.
  *
  * @return
  *   0 on success, a negative errno value otherwise and rte_errno is set.
  */
-static int
-mlx5_flow_create_tcp(const struct rte_flow_item *item,
-                    const void *default_mask,
-                    struct mlx5_flow_data *data)
+int
+mlx5_flow_validate_action_count(struct rte_eth_dev *dev __rte_unused,
+                               const struct rte_flow_attr *attr,
+                               struct rte_flow_error *error)
 {
-       const struct rte_flow_item_tcp *spec = item->spec;
-       const struct rte_flow_item_tcp *mask = item->mask;
-       struct mlx5_flow_parse *parser = data->parser;
-       unsigned int tcp_size = sizeof(struct ibv_flow_spec_tcp_udp);
-       struct ibv_flow_spec_tcp_udp tcp = {
-               .type = parser->inner | IBV_FLOW_SPEC_TCP,
-               .size = tcp_size,
-       };
+       if (attr->egress)
+               return rte_flow_error_set(error, ENOTSUP,
+                                         RTE_FLOW_ERROR_TYPE_ATTR_EGRESS, NULL,
+                                         "count action not supported for "
+                                         "egress");
+       return 0;
+}
 
-       if (parser->layer == HASH_RXQ_IPV4)
-               parser->layer = HASH_RXQ_TCPV4;
-       else
-               parser->layer = HASH_RXQ_TCPV6;
-       if (spec) {
-               if (!mask)
-                       mask = default_mask;
-               tcp.val.dst_port = spec->hdr.dst_port;
-               tcp.val.src_port = spec->hdr.src_port;
-               tcp.mask.dst_port = mask->hdr.dst_port;
-               tcp.mask.src_port = mask->hdr.src_port;
-               /* Remove unwanted bits from values. */
-               tcp.val.src_port &= tcp.mask.src_port;
-               tcp.val.dst_port &= tcp.mask.dst_port;
-       }
-       mlx5_flow_create_copy(parser, &tcp, tcp_size);
+/**
+ * Verify the @p attributes will be correctly understood by the NIC and store
+ * them in the @p flow if everything is correct.
+ *
+ * @param[in] dev
+ *   Pointer to the Ethernet device structure.
+ * @param[in] attributes
+ *   Pointer to flow attributes
+ * @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_attributes(struct rte_eth_dev *dev,
+                             const struct rte_flow_attr *attributes,
+                             struct rte_flow_error *error)
+{
+       struct mlx5_priv *priv = dev->data->dev_private;
+       uint32_t priority_max = priv->config.flow_prio - 1;
+
+       if (attributes->group)
+               return rte_flow_error_set(error, ENOTSUP,
+                                         RTE_FLOW_ERROR_TYPE_ATTR_GROUP,
+                                         NULL, "groups is not supported");
+       if (attributes->priority != MLX5_FLOW_PRIO_RSVD &&
+           attributes->priority >= priority_max)
+               return rte_flow_error_set(error, ENOTSUP,
+                                         RTE_FLOW_ERROR_TYPE_ATTR_PRIORITY,
+                                         NULL, "priority out of range");
+       if (attributes->egress)
+               return rte_flow_error_set(error, ENOTSUP,
+                                         RTE_FLOW_ERROR_TYPE_ATTR_EGRESS, NULL,
+                                         "egress is not supported");
+       if (attributes->transfer)
+               return rte_flow_error_set(error, ENOTSUP,
+                                         RTE_FLOW_ERROR_TYPE_ATTR_TRANSFER,
+                                         NULL, "transfer is not supported");
+       if (!attributes->ingress)
+               return rte_flow_error_set(error, EINVAL,
+                                         RTE_FLOW_ERROR_TYPE_ATTR_INGRESS,
+                                         NULL,
+                                         "ingress attribute is mandatory");
        return 0;
 }
 
 /**
- * Convert VXLAN item to Verbs specification.
+ * Validate Ethernet item.
  *
- * @param item[in]
+ * @param[in] item
  *   Item specification.
- * @param default_mask[in]
- *   Default bit-masks to use when item->mask is not provided.
- * @param data[in, out]
- *   User structure.
+ * @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.
  */
-static int
-mlx5_flow_create_vxlan(const struct rte_flow_item *item,
-                      const void *default_mask,
-                      struct mlx5_flow_data *data)
+int
+mlx5_flow_validate_item_eth(const struct rte_flow_item *item,
+                           uint64_t item_flags,
+                           struct rte_flow_error *error)
 {
-       const struct rte_flow_item_vxlan *spec = item->spec;
-       const struct rte_flow_item_vxlan *mask = item->mask;
-       struct mlx5_flow_parse *parser = data->parser;
-       unsigned int size = sizeof(struct ibv_flow_spec_tunnel);
-       struct ibv_flow_spec_tunnel vxlan = {
-               .type = parser->inner | IBV_FLOW_SPEC_VXLAN_TUNNEL,
-               .size = size,
+       const struct rte_flow_item_eth *mask = item->mask;
+       const struct rte_flow_item_eth nic_mask = {
+               .dst.addr_bytes = "\xff\xff\xff\xff\xff\xff",
+               .src.addr_bytes = "\xff\xff\xff\xff\xff\xff",
+               .type = RTE_BE16(0xffff),
        };
-       union vni {
-               uint32_t vlan_id;
-               uint8_t vni[4];
-       } id;
-
-       id.vni[0] = 0;
-       parser->inner = IBV_FLOW_SPEC_INNER;
-       parser->tunnel = ptype_ext[PTYPE_IDX(RTE_PTYPE_TUNNEL_VXLAN)];
-       parser->out_layer = parser->layer;
-       parser->layer = HASH_RXQ_TUNNEL;
-       if (spec) {
-               if (!mask)
-                       mask = default_mask;
-               memcpy(&id.vni[1], spec->vni, 3);
-               vxlan.val.tunnel_id = id.vlan_id;
-               memcpy(&id.vni[1], mask->vni, 3);
-               vxlan.mask.tunnel_id = id.vlan_id;
-               /* Remove unwanted bits from values. */
-               vxlan.val.tunnel_id &= vxlan.mask.tunnel_id;
-       }
-       /*
-        * Tunnel id 0 is equivalent as not adding a VXLAN layer, if only this
-        * layer is defined in the Verbs specification it is interpreted as
-        * wildcard and all packets will match this rule, if it follows a full
-        * stack layer (ex: eth / ipv4 / udp), all packets matching the layers
-        * before will also match this rule.
-        * To avoid such situation, VNI 0 is currently refused.
-        */
-       /* Only allow tunnel w/o tunnel id pattern after proper outer spec. */
-       if (parser->out_layer == HASH_RXQ_ETH && !vxlan.val.tunnel_id)
-               return rte_flow_error_set(data->error, EINVAL,
-                                         RTE_FLOW_ERROR_TYPE_ITEM,
-                                         item,
-                                         "VxLAN vni cannot be 0");
-       mlx5_flow_create_copy(parser, &vxlan, size);
-       return 0;
+       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 & ethm)
+               return rte_flow_error_set(error, ENOTSUP,
+                                         RTE_FLOW_ERROR_TYPE_ITEM, item,
+                                         "multiple L2 layers not supported");
+       if (!mask)
+               mask = &rte_flow_item_eth_mask;
+       ret = mlx5_flow_item_acceptable(item, (const uint8_t *)mask,
+                                       (const uint8_t *)&nic_mask,
+                                       sizeof(struct rte_flow_item_eth),
+                                       error);
+       return ret;
 }
 
 /**
- * Convert VXLAN-GPE item to Verbs specification.
+ * Validate VLAN item.
  *
- * @param item[in]
+ * @param[in] item
  *   Item specification.
- * @param default_mask[in]
- *   Default bit-masks to use when item->mask is not provided.
- * @param data[in, out]
- *   User structure.
+ * @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.
  */
-static int
-mlx5_flow_create_vxlan_gpe(const struct rte_flow_item *item,
-                          const void *default_mask,
-                          struct mlx5_flow_data *data)
+int
+mlx5_flow_validate_item_vlan(const struct rte_flow_item *item,
+                            uint64_t item_flags,
+                            struct rte_flow_error *error)
 {
-       struct priv *priv = data->dev->data->dev_private;
-       const struct rte_flow_item_vxlan_gpe *spec = item->spec;
-       const struct rte_flow_item_vxlan_gpe *mask = item->mask;
-       struct mlx5_flow_parse *parser = data->parser;
-       unsigned int size = sizeof(struct ibv_flow_spec_tunnel);
-       struct ibv_flow_spec_tunnel vxlan = {
-               .type = parser->inner | IBV_FLOW_SPEC_VXLAN_TUNNEL,
-               .size = size,
+       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),
        };
-       union vni {
-               uint32_t vlan_id;
-               uint8_t vni[4];
-       } id;
-
-       if (!priv->config.l3_vxlan_en)
-               return rte_flow_error_set(data->error, EINVAL,
-                                         RTE_FLOW_ERROR_TYPE_ITEM,
-                                         item,
-                                         "L3 VXLAN not enabled by device"
-                                         " parameter and/or not configured"
-                                         " in firmware");
-       id.vni[0] = 0;
-       parser->inner = IBV_FLOW_SPEC_INNER;
-       parser->tunnel = ptype_ext[PTYPE_IDX(RTE_PTYPE_TUNNEL_VXLAN_GPE)];
-       parser->out_layer = parser->layer;
-       parser->layer = HASH_RXQ_TUNNEL;
+       uint16_t vlan_tag = 0;
+       const int tunnel = !!(item_flags & MLX5_FLOW_LAYER_TUNNEL);
+       int ret;
+       const uint64_t l34m = tunnel ? (MLX5_FLOW_LAYER_INNER_L3 |
+                                       MLX5_FLOW_LAYER_INNER_L4) :
+                                      (MLX5_FLOW_LAYER_OUTER_L3 |
+                                       MLX5_FLOW_LAYER_OUTER_L4);
+       const uint64_t vlanm = tunnel ? MLX5_FLOW_LAYER_INNER_VLAN :
+                                       MLX5_FLOW_LAYER_OUTER_VLAN;
+
+       if (item_flags & vlanm)
+               return rte_flow_error_set(error, EINVAL,
+                                         RTE_FLOW_ERROR_TYPE_ITEM, item,
+                                         "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");
+       if (!mask)
+               mask = &rte_flow_item_vlan_mask;
+       ret = mlx5_flow_item_acceptable(item, (const uint8_t *)mask,
+                                       (const uint8_t *)&nic_mask,
+                                       sizeof(struct rte_flow_item_vlan),
+                                       error);
+       if (ret)
+               return ret;
        if (spec) {
-               if (!mask)
-                       mask = default_mask;
-               memcpy(&id.vni[1], spec->vni, 3);
-               vxlan.val.tunnel_id = id.vlan_id;
-               memcpy(&id.vni[1], mask->vni, 3);
-               vxlan.mask.tunnel_id = id.vlan_id;
-               if (spec->protocol)
-                       return rte_flow_error_set(data->error, EINVAL,
-                                                 RTE_FLOW_ERROR_TYPE_ITEM,
-                                                 item,
-                                                 "VxLAN-GPE protocol not"
-                                                 " supported");
-               /* Remove unwanted bits from values. */
-               vxlan.val.tunnel_id &= vxlan.mask.tunnel_id;
+               vlan_tag = spec->tci;
+               vlan_tag &= mask->tci;
        }
        /*
-        * Tunnel id 0 is equivalent as not adding a VXLAN layer, if only this
-        * layer is defined in the Verbs specification it is interpreted as
-        * wildcard and all packets will match this rule, if it follows a full
-        * stack layer (ex: eth / ipv4 / udp), all packets matching the layers
-        * before will also match this rule.
-        * To avoid such situation, VNI 0 is currently refused.
+        * From verbs perspective an empty VLAN is equivalent
+        * to a packet without VLAN layer.
         */
-       /* Only allow tunnel w/o tunnel id pattern after proper outer spec. */
-       if (parser->out_layer == HASH_RXQ_ETH && !vxlan.val.tunnel_id)
-               return rte_flow_error_set(data->error, EINVAL,
-                                         RTE_FLOW_ERROR_TYPE_ITEM,
-                                         item,
-                                         "VxLAN-GPE vni cannot be 0");
-       mlx5_flow_create_copy(parser, &vxlan, size);
+       if (!vlan_tag)
+               return rte_flow_error_set(error, EINVAL,
+                                         RTE_FLOW_ERROR_TYPE_ITEM_SPEC,
+                                         item->spec,
+                                         "VLAN cannot be empty");
        return 0;
 }
 
 /**
- * Convert GRE item to Verbs specification.
+ * Validate IPV4 item.
  *
- * @param item[in]
+ * @param[in] item
  *   Item specification.
- * @param default_mask[in]
- *   Default bit-masks to use when item->mask is not provided.
- * @param data[in, out]
- *   User structure.
+ * @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.
  *
  * @return
  *   0 on success, a negative errno value otherwise and rte_errno is set.
  */
-static int
-mlx5_flow_create_gre(const struct rte_flow_item *item,
-                    const void *default_mask,
-                    struct mlx5_flow_data *data)
+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)
 {
-       struct mlx5_flow_parse *parser = data->parser;
-#ifndef HAVE_IBV_DEVICE_MPLS_SUPPORT
-       (void)default_mask;
-       unsigned int size = sizeof(struct ibv_flow_spec_tunnel);
-       struct ibv_flow_spec_tunnel tunnel = {
-               .type = parser->inner | IBV_FLOW_SPEC_VXLAN_TUNNEL,
-               .size = size,
+       const struct rte_flow_item_ipv4 *mask = item->mask;
+       const struct rte_flow_item_ipv4 nic_mask = {
+               .hdr = {
+                       .src_addr = RTE_BE32(0xffffffff),
+                       .dst_addr = RTE_BE32(0xffffffff),
+                       .type_of_service = 0xff,
+                       .next_proto_id = 0xff,
+               },
        };
-#else
-       const struct rte_flow_item_gre *spec = item->spec;
-       const struct rte_flow_item_gre *mask = item->mask;
-       unsigned int size = sizeof(struct ibv_flow_spec_gre);
-       struct ibv_flow_spec_gre tunnel = {
-               .type = parser->inner | IBV_FLOW_SPEC_GRE,
-               .size = size,
-       };
-#endif
-       struct ibv_flow_spec_ipv4_ext *ipv4;
-       struct ibv_flow_spec_ipv6 *ipv6;
-       unsigned int i;
+       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;
 
-       parser->inner = IBV_FLOW_SPEC_INNER;
-       parser->tunnel = ptype_ext[PTYPE_IDX(RTE_PTYPE_TUNNEL_GRE)];
-       parser->out_layer = parser->layer;
-       parser->layer = HASH_RXQ_TUNNEL;
-#ifdef HAVE_IBV_DEVICE_MPLS_SUPPORT
-       if (spec) {
-               if (!mask)
-                       mask = default_mask;
-               tunnel.val.c_ks_res0_ver = spec->c_rsvd0_ver;
-               tunnel.val.protocol = spec->protocol;
-               tunnel.mask.c_ks_res0_ver = mask->c_rsvd0_ver;
-               tunnel.mask.protocol = mask->protocol;
-               /* Remove unwanted bits from values. */
-               tunnel.val.c_ks_res0_ver &= tunnel.mask.c_ks_res0_ver;
-               tunnel.val.protocol &= tunnel.mask.protocol;
-               tunnel.val.key &= tunnel.mask.key;
-       }
-#endif
-       /* Update encapsulation IP layer protocol. */
-       for (i = 0; i != hash_rxq_init_n; ++i) {
-               if (!parser->queue[i].ibv_attr)
-                       continue;
-               if (parser->out_layer == HASH_RXQ_IPV4) {
-                       ipv4 = (void *)((uintptr_t)parser->queue[i].ibv_attr +
-                               parser->queue[i].offset -
-                               sizeof(struct ibv_flow_spec_ipv4_ext));
-                       if (ipv4->mask.proto && ipv4->val.proto != MLX5_GRE)
-                               break;
-                       ipv4->val.proto = MLX5_GRE;
-                       ipv4->mask.proto = 0xff;
-               } else if (parser->out_layer == HASH_RXQ_IPV6) {
-                       ipv6 = (void *)((uintptr_t)parser->queue[i].ibv_attr +
-                               parser->queue[i].offset -
-                               sizeof(struct ibv_flow_spec_ipv6));
-                       if (ipv6->mask.next_hdr &&
-                           ipv6->val.next_hdr != MLX5_GRE)
-                               break;
-                       ipv6->val.next_hdr = MLX5_GRE;
-                       ipv6->mask.next_hdr = 0xff;
-               }
-       }
-       if (i != hash_rxq_init_n)
-               return rte_flow_error_set(data->error, EINVAL,
-                                         RTE_FLOW_ERROR_TYPE_ITEM,
-                                         item,
-                                         "IP protocol of GRE must be 47");
-       mlx5_flow_create_copy(parser, &tunnel, size);
+       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 & l4m)
+               return rte_flow_error_set(error, EINVAL,
+                                         RTE_FLOW_ERROR_TYPE_ITEM, item,
+                                         "L3 cannot follow an L4 layer.");
+       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,
+                                       acc_mask ? (const uint8_t *)acc_mask
+                                                : (const uint8_t *)&nic_mask,
+                                       sizeof(struct rte_flow_item_ipv4),
+                                       error);
+       if (ret < 0)
+               return ret;
        return 0;
 }
 
 /**
- * Convert MPLS item to Verbs specification.
- * MPLS tunnel types currently supported are MPLS-in-GRE and MPLS-in-UDP.
+ * Validate IPV6 item.
  *
- * @param item[in]
+ * @param[in] item
  *   Item specification.
- * @param default_mask[in]
- *   Default bit-masks to use when item->mask is not provided.
- * @param data[in, out]
- *   User structure.
+ * @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.
  *
  * @return
  *   0 on success, a negative errno value otherwise and rte_errno is set.
  */
-static int
-mlx5_flow_create_mpls(const struct rte_flow_item *item,
-                     const void *default_mask,
-                     struct mlx5_flow_data *data)
+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)
 {
-#ifndef HAVE_IBV_DEVICE_MPLS_SUPPORT
-       (void)default_mask;
-       return rte_flow_error_set(data->error, ENOTSUP,
-                                 RTE_FLOW_ERROR_TYPE_ITEM,
-                                 item,
-                                 "MPLS is not supported by driver");
-#else
-       const struct rte_flow_item_mpls *spec = item->spec;
-       const struct rte_flow_item_mpls *mask = item->mask;
-       struct mlx5_flow_parse *parser = data->parser;
-       unsigned int size = sizeof(struct ibv_flow_spec_mpls);
-       struct ibv_flow_spec_mpls mpls = {
-               .type = IBV_FLOW_SPEC_MPLS,
-               .size = size,
+       const struct rte_flow_item_ipv6 *mask = item->mask;
+       const struct rte_flow_item_ipv6 nic_mask = {
+               .hdr = {
+                       .src_addr =
+                               "\xff\xff\xff\xff\xff\xff\xff\xff"
+                               "\xff\xff\xff\xff\xff\xff\xff\xff",
+                       .dst_addr =
+                               "\xff\xff\xff\xff\xff\xff\xff\xff"
+                               "\xff\xff\xff\xff\xff\xff\xff\xff",
+                       .vtc_flow = RTE_BE32(0xffffffff),
+                       .proto = 0xff,
+                       .hop_limits = 0xff,
+               },
        };
+       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;
 
-       parser->inner = IBV_FLOW_SPEC_INNER;
-       if (parser->layer == HASH_RXQ_UDPV4 ||
-           parser->layer == HASH_RXQ_UDPV6) {
-               parser->tunnel =
-                       ptype_ext[PTYPE_IDX(RTE_PTYPE_TUNNEL_MPLS_IN_UDP)];
-               parser->out_layer = parser->layer;
-       } else {
-               parser->tunnel =
-                       ptype_ext[PTYPE_IDX(RTE_PTYPE_TUNNEL_MPLS_IN_GRE)];
-               /* parser->out_layer stays as in GRE out_layer. */
-       }
-       parser->layer = HASH_RXQ_TUNNEL;
-       if (spec) {
-               if (!mask)
-                       mask = default_mask;
-               /*
-                * The verbs label field includes the entire MPLS header:
-                * bits 0:19 - label value field.
-                * bits 20:22 - traffic class field.
-                * bits 23 - bottom of stack bit.
-                * bits 24:31 - ttl field.
-                */
-               mpls.val.label = *(const uint32_t *)spec;
-               mpls.mask.label = *(const uint32_t *)mask;
-               /* Remove unwanted bits from values. */
-               mpls.val.label &= mpls.mask.label;
-       }
-       mlx5_flow_create_copy(parser, &mpls, size);
+       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 & l4m)
+               return rte_flow_error_set(error, EINVAL,
+                                         RTE_FLOW_ERROR_TYPE_ITEM, item,
+                                         "L3 cannot follow an L4 layer.");
+       if (!mask)
+               mask = &rte_flow_item_ipv6_mask;
+       ret = mlx5_flow_item_acceptable(item, (const uint8_t *)mask,
+                                       acc_mask ? (const uint8_t *)acc_mask
+                                                : (const uint8_t *)&nic_mask,
+                                       sizeof(struct rte_flow_item_ipv6),
+                                       error);
+       if (ret < 0)
+               return ret;
        return 0;
-#endif
 }
 
 /**
- * Convert mark/flag action to Verbs specification.
+ * Validate UDP item.
  *
- * @param parser
- *   Internal parser structure.
- * @param mark_id
- *   Mark identifier.
+ * @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] flow_mask
+ *   mlx5 flow-specific (TCF, DV, verbs, etc.) supported header fields mask.
+ * @param[out] error
+ *   Pointer to error structure.
  *
  * @return
  *   0 on success, a negative errno value otherwise and rte_errno is set.
  */
-static int
-mlx5_flow_create_flag_mark(struct mlx5_flow_parse *parser, uint32_t mark_id)
+int
+mlx5_flow_validate_item_udp(const struct rte_flow_item *item,
+                           uint64_t item_flags,
+                           uint8_t target_protocol,
+                           struct rte_flow_error *error)
 {
-       unsigned int size = sizeof(struct ibv_flow_spec_action_tag);
-       struct ibv_flow_spec_action_tag tag = {
-               .type = IBV_FLOW_SPEC_ACTION_TAG,
-               .size = size,
-               .tag_id = mlx5_flow_mark_set(mark_id),
-       };
+       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;
 
-       assert(parser->mark);
-       mlx5_flow_create_copy(parser, &tag, size);
+       if (target_protocol != 0xff && target_protocol != IPPROTO_UDP)
+               return rte_flow_error_set(error, EINVAL,
+                                         RTE_FLOW_ERROR_TYPE_ITEM, item,
+                                         "protocol filtering not compatible"
+                                         " with UDP layer");
+       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 & 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_udp_mask;
+       ret = mlx5_flow_item_acceptable
+               (item, (const uint8_t *)mask,
+                (const uint8_t *)&rte_flow_item_udp_mask,
+                sizeof(struct rte_flow_item_udp), error);
+       if (ret < 0)
+               return ret;
        return 0;
 }
 
 /**
- * Convert count action to Verbs specification.
+ * Validate TCP item.
  *
- * @param dev
- *   Pointer to Ethernet device.
- * @param parser
- *   Pointer to MLX5 flow parser 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[out] error
+ *   Pointer to error structure.
  *
  * @return
  *   0 on success, a negative errno value otherwise and rte_errno is set.
  */
-static int
-mlx5_flow_create_count(struct rte_eth_dev *dev __rte_unused,
-                      struct mlx5_flow_parse *parser __rte_unused)
-{
-#ifdef HAVE_IBV_DEVICE_COUNTERS_SET_SUPPORT
-       struct priv *priv = dev->data->dev_private;
-       unsigned int size = sizeof(struct ibv_flow_spec_counter_action);
-       struct ibv_counter_set_init_attr init_attr = {0};
-       struct ibv_flow_spec_counter_action counter = {
-               .type = IBV_FLOW_SPEC_ACTION_COUNT,
-               .size = size,
-               .counter_set_handle = 0,
-       };
+int
+mlx5_flow_validate_item_tcp(const struct rte_flow_item *item,
+                           uint64_t item_flags,
+                           uint8_t target_protocol,
+                           const struct rte_flow_item_tcp *flow_mask,
+                           struct rte_flow_error *error)
+{
+       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;
 
-       init_attr.counter_set_id = 0;
-       parser->cs = mlx5_glue->create_counter_set(priv->ctx, &init_attr);
-       if (!parser->cs) {
-               rte_errno = EINVAL;
-               return -rte_errno;
-       }
-       counter.counter_set_handle = parser->cs->handle;
-       mlx5_flow_create_copy(parser, &counter, size);
-#endif
+       assert(flow_mask);
+       if (target_protocol != 0xff && target_protocol != IPPROTO_TCP)
+               return rte_flow_error_set(error, EINVAL,
+                                         RTE_FLOW_ERROR_TYPE_ITEM, item,
+                                         "protocol filtering not compatible"
+                                         " with TCP layer");
+       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 & 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_tcp_mask;
+       ret = mlx5_flow_item_acceptable
+               (item, (const uint8_t *)mask,
+                (const uint8_t *)flow_mask,
+                sizeof(struct rte_flow_item_tcp), error);
+       if (ret < 0)
+               return ret;
        return 0;
 }
 
 /**
- * Complete flow rule creation with a drop queue.
+ * Validate VXLAN item.
  *
- * @param dev
- *   Pointer to Ethernet device.
- * @param parser
- *   Internal parser structure.
- * @param flow
- *   Pointer to the rte_flow.
+ * @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[out] error
- *   Perform verbose error reporting if not NULL.
+ *   Pointer to error structure.
  *
  * @return
  *   0 on success, a negative errno value otherwise and rte_errno is set.
  */
-static int
-mlx5_flow_create_action_queue_drop(struct rte_eth_dev *dev,
-                                  struct mlx5_flow_parse *parser,
-                                  struct rte_flow *flow,
-                                  struct rte_flow_error *error)
-{
-       struct priv *priv = dev->data->dev_private;
-       struct ibv_flow_spec_action_drop *drop;
-       unsigned int size = sizeof(struct ibv_flow_spec_action_drop);
-
-       assert(priv->pd);
-       assert(priv->ctx);
-       flow->drop = 1;
-       drop = (void *)((uintptr_t)parser->queue[HASH_RXQ_ETH].ibv_attr +
-                       parser->queue[HASH_RXQ_ETH].offset);
-       *drop = (struct ibv_flow_spec_action_drop){
-                       .type = IBV_FLOW_SPEC_ACTION_DROP,
-                       .size = size,
-       };
-       ++parser->queue[HASH_RXQ_ETH].ibv_attr->num_of_specs;
-       parser->queue[HASH_RXQ_ETH].offset += size;
-       flow->frxq[HASH_RXQ_ETH].ibv_attr =
-               parser->queue[HASH_RXQ_ETH].ibv_attr;
-       if (parser->count)
-               flow->cs = parser->cs;
-       if (!dev->data->dev_started)
-               return 0;
-       parser->queue[HASH_RXQ_ETH].ibv_attr = NULL;
-       flow->frxq[HASH_RXQ_ETH].ibv_flow =
-               mlx5_glue->create_flow(priv->flow_drop_queue->qp,
-                                      flow->frxq[HASH_RXQ_ETH].ibv_attr);
-       if (!flow->frxq[HASH_RXQ_ETH].ibv_flow) {
-               rte_flow_error_set(error, ENOMEM, RTE_FLOW_ERROR_TYPE_HANDLE,
-                                  NULL, "flow rule creation failure");
-               goto error;
+int
+mlx5_flow_validate_item_vxlan(const struct rte_flow_item *item,
+                             uint64_t item_flags,
+                             struct rte_flow_error *error)
+{
+       const struct rte_flow_item_vxlan *spec = item->spec;
+       const struct rte_flow_item_vxlan *mask = item->mask;
+       int ret;
+       union vni {
+               uint32_t vlan_id;
+               uint8_t vni[4];
+       } id = { .vlan_id = 0, };
+       uint32_t vlan_id = 0;
+
+
+       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");
+       /*
+        * Verify only UDPv4 is present as defined in
+        * https://tools.ietf.org/html/rfc7348
+        */
+       if (!(item_flags & MLX5_FLOW_LAYER_OUTER_L4_UDP))
+               return rte_flow_error_set(error, EINVAL,
+                                         RTE_FLOW_ERROR_TYPE_ITEM, item,
+                                         "no outer UDP layer found");
+       if (!mask)
+               mask = &rte_flow_item_vxlan_mask;
+       ret = mlx5_flow_item_acceptable
+               (item, (const uint8_t *)mask,
+                (const uint8_t *)&rte_flow_item_vxlan_mask,
+                sizeof(struct rte_flow_item_vxlan),
+                error);
+       if (ret < 0)
+               return ret;
+       if (spec) {
+               memcpy(&id.vni[1], spec->vni, 3);
+               vlan_id = id.vlan_id;
+               memcpy(&id.vni[1], mask->vni, 3);
+               vlan_id &= id.vlan_id;
        }
+       /*
+        * Tunnel id 0 is equivalent as not adding a VXLAN layer, if
+        * only this layer is defined in the Verbs specification it is
+        * interpreted as wildcard and all packets will match this
+        * rule, if it follows a full stack layer (ex: eth / ipv4 /
+        * udp), all packets matching the layers before will also
+        * match this rule.  To avoid such situation, VNI 0 is
+        * currently refused.
+        */
+       if (!vlan_id)
+               return rte_flow_error_set(error, ENOTSUP,
+                                         RTE_FLOW_ERROR_TYPE_ITEM, item,
+                                         "VXLAN vni cannot be 0");
+       if (!(item_flags & MLX5_FLOW_LAYER_OUTER))
+               return rte_flow_error_set(error, ENOTSUP,
+                                         RTE_FLOW_ERROR_TYPE_ITEM, item,
+                                         "VXLAN tunnel must be fully defined");
        return 0;
-error:
-       assert(flow);
-       if (flow->frxq[HASH_RXQ_ETH].ibv_flow) {
-               claim_zero(mlx5_glue->destroy_flow
-                          (flow->frxq[HASH_RXQ_ETH].ibv_flow));
-               flow->frxq[HASH_RXQ_ETH].ibv_flow = NULL;
-       }
-       if (flow->frxq[HASH_RXQ_ETH].ibv_attr) {
-               rte_free(flow->frxq[HASH_RXQ_ETH].ibv_attr);
-               flow->frxq[HASH_RXQ_ETH].ibv_attr = NULL;
-       }
-       if (flow->cs) {
-               claim_zero(mlx5_glue->destroy_counter_set(flow->cs));
-               flow->cs = NULL;
-               parser->cs = NULL;
-       }
-       return -rte_errno;
 }
 
 /**
- * Create hash Rx queues when RSS is enabled.
+ * Validate VXLAN_GPE item.
  *
- * @param dev
- *   Pointer to Ethernet device.
- * @param parser
- *   Internal parser structure.
- * @param flow
- *   Pointer to the rte_flow.
+ * @param[in] item
+ *   Item specification.
+ * @param[in] item_flags
+ *   Bit-fields that holds the items detected until now.
+ * @param[in] priv
+ *   Pointer to the private data structure.
+ * @param[in] target_protocol
+ *   The next protocol in the previous item.
  * @param[out] error
- *   Perform verbose error reporting if not NULL.
+ *   Pointer to error structure.
  *
  * @return
  *   0 on success, a negative errno value otherwise and rte_errno is set.
  */
-static int
-mlx5_flow_create_action_queue_rss(struct rte_eth_dev *dev,
-                                 struct mlx5_flow_parse *parser,
-                                 struct rte_flow *flow,
+int
+mlx5_flow_validate_item_vxlan_gpe(const struct rte_flow_item *item,
+                                 uint64_t item_flags,
+                                 struct rte_eth_dev *dev,
                                  struct rte_flow_error *error)
 {
-       unsigned int i;
+       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;
+       union vni {
+               uint32_t vlan_id;
+               uint8_t vni[4];
+       } id = { .vlan_id = 0, };
+       uint32_t vlan_id = 0;
 
-       for (i = 0; i != hash_rxq_init_n; ++i) {
-               if (!parser->queue[i].ibv_attr)
-                       continue;
-               flow->frxq[i].ibv_attr = parser->queue[i].ibv_attr;
-               parser->queue[i].ibv_attr = NULL;
-               flow->frxq[i].hash_fields = parser->queue[i].hash_fields;
-               if (!dev->data->dev_started)
-                       continue;
-               flow->frxq[i].hrxq =
-                       mlx5_hrxq_get(dev,
-                                     parser->rss_conf.key,
-                                     parser->rss_conf.key_len,
-                                     flow->frxq[i].hash_fields,
-                                     parser->rss_conf.queue,
-                                     parser->rss_conf.queue_num,
-                                     parser->tunnel,
-                                     parser->rss_conf.level);
-               if (flow->frxq[i].hrxq)
-                       continue;
-               flow->frxq[i].hrxq =
-                       mlx5_hrxq_new(dev,
-                                     parser->rss_conf.key,
-                                     parser->rss_conf.key_len,
-                                     flow->frxq[i].hash_fields,
-                                     parser->rss_conf.queue,
-                                     parser->rss_conf.queue_num,
-                                     parser->tunnel,
-                                     parser->rss_conf.level);
-               if (!flow->frxq[i].hrxq) {
-                       return rte_flow_error_set(error, ENOMEM,
-                                                 RTE_FLOW_ERROR_TYPE_HANDLE,
-                                                 NULL,
-                                                 "cannot create hash rxq");
-               }
+       if (!priv->config.l3_vxlan_en)
+               return rte_flow_error_set(error, ENOTSUP,
+                                         RTE_FLOW_ERROR_TYPE_ITEM, item,
+                                         "L3 VXLAN is not enabled by device"
+                                         " parameter and/or not configured in"
+                                         " firmware");
+       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");
+       /*
+        * Verify only UDPv4 is present as defined in
+        * https://tools.ietf.org/html/rfc7348
+        */
+       if (!(item_flags & MLX5_FLOW_LAYER_OUTER_L4_UDP))
+               return rte_flow_error_set(error, EINVAL,
+                                         RTE_FLOW_ERROR_TYPE_ITEM, item,
+                                         "no outer UDP layer found");
+       if (!mask)
+               mask = &rte_flow_item_vxlan_gpe_mask;
+       ret = mlx5_flow_item_acceptable
+               (item, (const uint8_t *)mask,
+                (const uint8_t *)&rte_flow_item_vxlan_gpe_mask,
+                sizeof(struct rte_flow_item_vxlan_gpe),
+                error);
+       if (ret < 0)
+               return ret;
+       if (spec) {
+               if (spec->protocol)
+                       return rte_flow_error_set(error, ENOTSUP,
+                                                 RTE_FLOW_ERROR_TYPE_ITEM,
+                                                 item,
+                                                 "VxLAN-GPE protocol"
+                                                 " not supported");
+               memcpy(&id.vni[1], spec->vni, 3);
+               vlan_id = id.vlan_id;
+               memcpy(&id.vni[1], mask->vni, 3);
+               vlan_id &= id.vlan_id;
        }
+       /*
+        * Tunnel id 0 is equivalent as not adding a VXLAN layer, if only this
+        * layer is defined in the Verbs specification it is interpreted as
+        * wildcard and all packets will match this rule, if it follows a full
+        * stack layer (ex: eth / ipv4 / udp), all packets matching the layers
+        * before will also match this rule.  To avoid such situation, VNI 0
+        * is currently refused.
+        */
+       if (!vlan_id)
+               return rte_flow_error_set(error, ENOTSUP,
+                                         RTE_FLOW_ERROR_TYPE_ITEM, item,
+                                         "VXLAN-GPE vni cannot be 0");
+       if (!(item_flags & MLX5_FLOW_LAYER_OUTER))
+               return rte_flow_error_set(error, ENOTSUP,
+                                         RTE_FLOW_ERROR_TYPE_ITEM, item,
+                                         "VXLAN-GPE tunnel must be fully"
+                                         " defined");
        return 0;
 }
 
 /**
- * RXQ update after flow rule creation.
+ * Validate GRE item.
  *
- * @param dev
- *   Pointer to Ethernet device.
- * @param flow
- *   Pointer to the flow rule.
+ * @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_gre(const struct rte_flow_item *item,
+                           uint64_t item_flags,
+                           uint8_t target_protocol,
+                           struct rte_flow_error *error)
+{
+       const struct rte_flow_item_gre *spec __rte_unused = item->spec;
+       const struct rte_flow_item_gre *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_gre_mask;
+       ret = mlx5_flow_item_acceptable
+               (item, (const uint8_t *)mask,
+                (const uint8_t *)&rte_flow_item_gre_mask,
+                sizeof(struct rte_flow_item_gre), error);
+       if (ret < 0)
+               return ret;
+#ifndef HAVE_IBV_DEVICE_MPLS_SUPPORT
+       if (spec && (spec->protocol & mask->protocol))
+               return rte_flow_error_set(error, ENOTSUP,
+                                         RTE_FLOW_ERROR_TYPE_ITEM, item,
+                                         "without MPLS support the"
+                                         " specification cannot be used for"
+                                         " filtering");
+#endif
+       return 0;
+}
+
+/**
+ * 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] prev_layer
+ *   The protocol layer indicated in 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_mpls(struct rte_eth_dev *dev __rte_unused,
+                            const struct rte_flow_item *item __rte_unused,
+                            uint64_t item_flags __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 (!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");
+       /* 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,
+                                         "multiple tunnel layers not"
+                                         " supported");
+       if (!mask)
+               mask = &rte_flow_item_mpls_mask;
+       ret = mlx5_flow_item_acceptable
+               (item, (const uint8_t *)mask,
+                (const uint8_t *)&rte_flow_item_mpls_mask,
+                sizeof(struct rte_flow_item_mpls), error);
+       if (ret < 0)
+               return ret;
+       return 0;
+#endif
+       return rte_flow_error_set(error, ENOTSUP,
+                                 RTE_FLOW_ERROR_TYPE_ITEM, item,
+                                 "MPLS is not supported by Verbs, please"
+                                 " update.");
+}
+
+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)
+{
+       rte_errno = ENOTSUP;
+       return -rte_errno;
+}
+
+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,
+                 struct rte_flow_error *error __rte_unused)
+{
+       rte_errno = ENOTSUP;
+       return NULL;
+}
+
+static int
+flow_null_translate(struct rte_eth_dev *dev __rte_unused,
+                   struct mlx5_flow *dev_flow __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)
+{
+       rte_errno = ENOTSUP;
+       return -rte_errno;
+}
+
+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)
+{
+       rte_errno = ENOTSUP;
+       return -rte_errno;
+}
+
 static void
-mlx5_flow_create_update_rxqs(struct rte_eth_dev *dev, struct rte_flow *flow)
+flow_null_remove(struct rte_eth_dev *dev __rte_unused,
+                struct rte_flow *flow __rte_unused)
 {
-       struct priv *priv = dev->data->dev_private;
-       unsigned int i;
-       unsigned int j;
+}
 
-       if (!dev->data->dev_started)
-               return;
-       for (i = 0; i != flow->rss_conf.queue_num; ++i) {
-               struct mlx5_rxq_data *rxq_data = (*priv->rxqs)
-                                                [(*flow->queues)[i]];
-               struct mlx5_rxq_ctrl *rxq_ctrl =
-                       container_of(rxq_data, struct mlx5_rxq_ctrl, rxq);
-               uint8_t tunnel = PTYPE_IDX(flow->tunnel);
+static void
+flow_null_destroy(struct rte_eth_dev *dev __rte_unused,
+                 struct rte_flow *flow __rte_unused)
+{
+}
 
-               rxq_data->mark |= flow->mark;
-               if (!tunnel)
-                       continue;
-               rxq_ctrl->tunnel_types[tunnel] += 1;
-               /* Clear tunnel type if more than one tunnel types set. */
-               for (j = 0; j != RTE_DIM(rxq_ctrl->tunnel_types); ++j) {
-                       if (j == tunnel)
-                               continue;
-                       if (rxq_ctrl->tunnel_types[j] > 0) {
-                               rxq_data->tunnel = 0;
-                               break;
-                       }
-               }
-               if (j == RTE_DIM(rxq_ctrl->tunnel_types))
-                       rxq_data->tunnel = flow->tunnel;
-       }
+static int
+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)
+{
+       rte_errno = ENOTSUP;
+       return -rte_errno;
 }
 
+/* Void driver to protect from null pointer reference. */
+const struct mlx5_flow_driver_ops mlx5_flow_null_drv_ops = {
+       .validate = flow_null_validate,
+       .prepare = flow_null_prepare,
+       .translate = flow_null_translate,
+       .apply = flow_null_apply,
+       .remove = flow_null_remove,
+       .destroy = flow_null_destroy,
+       .query = flow_null_query,
+};
+
 /**
- * Dump flow hash RX queue detail.
+ * Select flow driver type according to flow attributes and device
+ * configuration.
  *
- * @param dev
- *   Pointer to Ethernet device.
- * @param flow
- *   Pointer to the rte_flow.
- * @param hrxq_idx
- *   Hash RX queue index.
+ * @param[in] dev
+ *   Pointer to the dev structure.
+ * @param[in] attr
+ *   Pointer to the flow attributes.
+ *
+ * @return
+ *   flow driver type, MLX5_FLOW_TYPE_MAX otherwise.
  */
-static void
-mlx5_flow_dump(struct rte_eth_dev *dev __rte_unused,
-              struct rte_flow *flow __rte_unused,
-              unsigned int hrxq_idx __rte_unused)
+static enum mlx5_flow_drv_type
+flow_get_drv_type(struct rte_eth_dev *dev, const struct rte_flow_attr *attr)
 {
-#ifndef NDEBUG
-       uintptr_t spec_ptr;
-       uint16_t j;
-       char buf[256];
-       uint8_t off;
-       uint64_t extra_hash_fields = 0;
+       struct mlx5_priv *priv = dev->data->dev_private;
+       enum mlx5_flow_drv_type type = MLX5_FLOW_TYPE_MAX;
 
-#ifdef HAVE_IBV_DEVICE_TUNNEL_SUPPORT
-       if (flow->tunnel && flow->rss_conf.level > 1)
-               extra_hash_fields = (uint32_t)IBV_RX_HASH_INNER;
-#endif
-       spec_ptr = (uintptr_t)(flow->frxq[hrxq_idx].ibv_attr + 1);
-       for (j = 0, off = 0; j < flow->frxq[hrxq_idx].ibv_attr->num_of_specs;
-            j++) {
-               struct ibv_flow_spec *spec = (void *)spec_ptr;
-               off += sprintf(buf + off, " %x(%hu)", spec->hdr.type,
-                              spec->hdr.size);
-               spec_ptr += spec->hdr.size;
-       }
-       DRV_LOG(DEBUG,
-               "port %u Verbs flow %p type %u: hrxq:%p qp:%p ind:%p,"
-               " hash:%" PRIx64 "/%u specs:%hhu(%hu), priority:%hu, type:%d,"
-               " flags:%x, comp_mask:%x specs:%s",
-               dev->data->port_id, (void *)flow, hrxq_idx,
-               (void *)flow->frxq[hrxq_idx].hrxq,
-               (void *)flow->frxq[hrxq_idx].hrxq->qp,
-               (void *)flow->frxq[hrxq_idx].hrxq->ind_table,
-               (flow->frxq[hrxq_idx].hash_fields | extra_hash_fields),
-               flow->rss_conf.queue_num,
-               flow->frxq[hrxq_idx].ibv_attr->num_of_specs,
-               flow->frxq[hrxq_idx].ibv_attr->size,
-               flow->frxq[hrxq_idx].ibv_attr->priority,
-               flow->frxq[hrxq_idx].ibv_attr->type,
-               flow->frxq[hrxq_idx].ibv_attr->flags,
-               flow->frxq[hrxq_idx].ibv_attr->comp_mask,
-               buf);
-#endif
+       if (attr->transfer && !priv->config.dv_esw_en)
+               type = MLX5_FLOW_TYPE_TCF;
+       else
+               type = priv->config.dv_flow_en ? MLX5_FLOW_TYPE_DV :
+                                                MLX5_FLOW_TYPE_VERBS;
+       return type;
 }
 
+#define flow_get_drv_ops(type) flow_drv_ops[type]
+
 /**
- * Complete flow rule creation.
+ * Flow driver validation API. This abstracts calling driver specific functions.
+ * The type of flow driver is determined according to flow attributes.
  *
- * @param dev
- *   Pointer to Ethernet device.
- * @param parser
- *   Internal parser structure.
- * @param flow
- *   Pointer to the rte_flow.
+ * @param[in] dev
+ *   Pointer to the dev structure.
+ * @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] error
- *   Perform verbose error reporting if not NULL.
+ *   Pointer to the error structure.
  *
  * @return
  *   0 on success, a negative errno value otherwise and rte_errno is set.
  */
-static int
-mlx5_flow_create_action_queue(struct rte_eth_dev *dev,
-                             struct mlx5_flow_parse *parser,
-                             struct rte_flow *flow,
-                             struct rte_flow_error *error)
+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)
+{
+       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);
+}
+
+/**
+ * Flow driver preparation API. This abstracts calling driver specific
+ * functions. Parent flow (rte_flow) should have driver type (drv_type). It
+ * 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, tcf 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] error
+ *   Pointer to the error structure.
+ *
+ * @return
+ *   Pointer to device flow on success, otherwise NULL and rte_errno is set.
+ */
+static inline struct mlx5_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[],
+                struct rte_flow_error *error)
+{
+       const struct mlx5_flow_driver_ops *fops;
+       enum mlx5_flow_drv_type type = flow->drv_type;
+
+       assert(type > MLX5_FLOW_TYPE_MIN && type < MLX5_FLOW_TYPE_MAX);
+       fops = flow_get_drv_ops(type);
+       return fops->prepare(attr, items, actions, error);
+}
+
+/**
+ * Flow driver translation API. This abstracts calling driver specific
+ * functions. Parent flow (rte_flow) should have driver type (drv_type). It
+ * 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.
+ * @param[in, out] dev_flow
+ *   Pointer to the mlx5 flow.
+ * @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] error
+ *   Pointer to the error structure.
+ *
+ * @return
+ *   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,
+                  const struct rte_flow_attr *attr,
+                  const struct rte_flow_item items[],
+                  const struct rte_flow_action actions[],
+                  struct rte_flow_error *error)
+{
+       const struct mlx5_flow_driver_ops *fops;
+       enum mlx5_flow_drv_type type = dev_flow->flow->drv_type;
+
+       assert(type > MLX5_FLOW_TYPE_MIN && type < MLX5_FLOW_TYPE_MAX);
+       fops = flow_get_drv_ops(type);
+       return fops->translate(dev, dev_flow, attr, items, actions, error);
+}
+
+/**
+ * Flow driver apply API. This abstracts calling driver specific functions.
+ * Parent flow (rte_flow) should have driver type (drv_type). It applies
+ * translated driver flows on to device. flow_drv_translate() must precede.
+ *
+ * @param[in] dev
+ *   Pointer to Ethernet device structure.
+ * @param[in, out] flow
+ *   Pointer to flow structure.
+ * @param[out] error
+ *   Pointer to error structure.
+ *
+ * @return
+ *   0 on success, a negative errno value otherwise and rte_errno is set.
+ */
+static inline int
+flow_drv_apply(struct rte_eth_dev *dev, struct rte_flow *flow,
+              struct rte_flow_error *error)
+{
+       const struct mlx5_flow_driver_ops *fops;
+       enum mlx5_flow_drv_type type = flow->drv_type;
+
+       assert(type > MLX5_FLOW_TYPE_MIN && type < MLX5_FLOW_TYPE_MAX);
+       fops = flow_get_drv_ops(type);
+       return fops->apply(dev, flow, error);
+}
+
+/**
+ * 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_drv_destroy().
+ *
+ * @param[in] dev
+ *   Pointer to Ethernet device.
+ * @param[in, out] flow
+ *   Pointer to flow structure.
+ */
+static inline void
+flow_drv_remove(struct rte_eth_dev *dev, struct rte_flow *flow)
+{
+       const struct mlx5_flow_driver_ops *fops;
+       enum mlx5_flow_drv_type type = flow->drv_type;
+
+       assert(type > MLX5_FLOW_TYPE_MIN && type < MLX5_FLOW_TYPE_MAX);
+       fops = flow_get_drv_ops(type);
+       fops->remove(dev, flow);
+}
+
+/**
+ * Flow driver destroy API. This abstracts calling driver specific functions.
+ * Parent flow (rte_flow) should have driver type (drv_type). It removes a flow
+ * on device and releases resources of the flow.
+ *
+ * @param[in] dev
+ *   Pointer to Ethernet device.
+ * @param[in, out] flow
+ *   Pointer to flow structure.
+ */
+static inline void
+flow_drv_destroy(struct rte_eth_dev *dev, struct rte_flow *flow)
+{
+       const struct mlx5_flow_driver_ops *fops;
+       enum mlx5_flow_drv_type type = flow->drv_type;
+
+       assert(type > MLX5_FLOW_TYPE_MIN && type < MLX5_FLOW_TYPE_MAX);
+       fops = flow_get_drv_ops(type);
+       fops->destroy(dev, flow);
+}
+
+/**
+ * Validate a flow supported by the NIC.
+ *
+ * @see rte_flow_validate()
+ * @see rte_flow_ops
+ */
+int
+mlx5_flow_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)
 {
-       struct priv *priv __rte_unused = dev->data->dev_private;
        int ret;
-       unsigned int i;
-       unsigned int flows_n = 0;
 
-       assert(priv->pd);
-       assert(priv->ctx);
-       assert(!parser->drop);
-       ret = mlx5_flow_create_action_queue_rss(dev, parser, flow, error);
-       if (ret)
-               goto error;
-       if (parser->count)
-               flow->cs = parser->cs;
-       if (!dev->data->dev_started)
-               return 0;
-       for (i = 0; i != hash_rxq_init_n; ++i) {
-               if (!flow->frxq[i].hrxq)
-                       continue;
-               flow->frxq[i].ibv_flow =
-                       mlx5_glue->create_flow(flow->frxq[i].hrxq->qp,
-                                              flow->frxq[i].ibv_attr);
-               mlx5_flow_dump(dev, flow, i);
-               if (!flow->frxq[i].ibv_flow) {
-                       rte_flow_error_set(error, ENOMEM,
-                                          RTE_FLOW_ERROR_TYPE_HANDLE,
-                                          NULL, "flow rule creation failure");
-                       goto error;
-               }
-               ++flows_n;
-       }
-       if (!flows_n) {
-               rte_flow_error_set(error, EINVAL, RTE_FLOW_ERROR_TYPE_HANDLE,
-                                  NULL, "internal error in flow creation");
-               goto error;
-       }
-       mlx5_flow_create_update_rxqs(dev, flow);
+       ret = flow_drv_validate(dev, attr, items, actions, error);
+       if (ret < 0)
+               return ret;
        return 0;
-error:
-       ret = rte_errno; /* Save rte_errno before cleanup. */
-       assert(flow);
-       for (i = 0; i != hash_rxq_init_n; ++i) {
-               if (flow->frxq[i].ibv_flow) {
-                       struct ibv_flow *ibv_flow = flow->frxq[i].ibv_flow;
+}
 
-                       claim_zero(mlx5_glue->destroy_flow(ibv_flow));
+/**
+ * Get RSS action from the action list.
+ *
+ * @param[in] actions
+ *   Pointer to the list of actions.
+ *
+ * @return
+ *   Pointer to the RSS action if exist, else return NULL.
+ */
+static const struct rte_flow_action_rss*
+flow_get_rss_action(const struct rte_flow_action actions[])
+{
+       for (; actions->type != RTE_FLOW_ACTION_TYPE_END; actions++) {
+               switch (actions->type) {
+               case RTE_FLOW_ACTION_TYPE_RSS:
+                       return (const struct rte_flow_action_rss *)
+                              actions->conf;
+               default:
+                       break;
                }
-               if (flow->frxq[i].hrxq)
-                       mlx5_hrxq_release(dev, flow->frxq[i].hrxq);
-               if (flow->frxq[i].ibv_attr)
-                       rte_free(flow->frxq[i].ibv_attr);
        }
-       if (flow->cs) {
-               claim_zero(mlx5_glue->destroy_counter_set(flow->cs));
-               flow->cs = NULL;
-               parser->cs = NULL;
+       return NULL;
+}
+
+static unsigned int
+find_graph_root(const struct rte_flow_item pattern[], uint32_t rss_level)
+{
+       const struct rte_flow_item *item;
+       unsigned int has_vlan = 0;
+
+       for (item = pattern; item->type != RTE_FLOW_ITEM_TYPE_END; item++) {
+               if (item->type == RTE_FLOW_ITEM_TYPE_VLAN) {
+                       has_vlan = 1;
+                       break;
+               }
        }
-       rte_errno = ret; /* Restore rte_errno. */
-       return -rte_errno;
+       if (has_vlan)
+               return rss_level < 2 ? MLX5_EXPANSION_ROOT_ETH_VLAN :
+                                      MLX5_EXPANSION_ROOT_OUTER_ETH_VLAN;
+       return rss_level < 2 ? MLX5_EXPANSION_ROOT :
+                              MLX5_EXPANSION_ROOT_OUTER;
 }
 
 /**
- * Convert a flow.
+ * Create a flow and add it to @p list.
  *
  * @param dev
  *   Pointer to Ethernet device.
@@ -2441,7 +2052,7 @@ error:
  *   Pointer to a TAILQ flow list.
  * @param[in] attr
  *   Flow rule attributes.
- * @param[in] pattern
+ * @param[in] items
  *   Pattern specification (list terminated by the END pattern item).
  * @param[in] actions
  *   Associated actions (list terminated by the END action).
@@ -2452,90 +2063,86 @@ error:
  *   A flow on success, NULL otherwise and rte_errno is set.
  */
 static struct rte_flow *
-mlx5_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)
-{
-       struct mlx5_flow_parse parser = { .create = 1, };
+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)
+{
        struct rte_flow *flow = NULL;
-       unsigned int i;
+       struct mlx5_flow *dev_flow;
+       const struct rte_flow_action_rss *rss;
+       union {
+               struct rte_flow_expand_rss buf;
+               uint8_t buffer[2048];
+       } expand_buffer;
+       struct rte_flow_expand_rss *buf = &expand_buffer.buf;
        int ret;
+       uint32_t i;
+       uint32_t flow_size;
 
-       ret = mlx5_flow_convert(dev, attr, items, actions, error, &parser);
-       if (ret)
-               goto exit;
-       flow = rte_calloc(__func__, 1,
-                         sizeof(*flow) +
-                         parser.rss_conf.queue_num * sizeof(uint16_t),
-                         0);
-       if (!flow) {
-               rte_flow_error_set(error, ENOMEM,
-                                  RTE_FLOW_ERROR_TYPE_UNSPECIFIED,
-                                  NULL,
-                                  "cannot allocate flow memory");
+       ret = flow_drv_validate(dev, attr, items, actions, error);
+       if (ret < 0)
                return NULL;
-       }
-       /* Copy configuration. */
-       flow->queues = (uint16_t (*)[])(flow + 1);
-       flow->tunnel = parser.tunnel;
-       flow->rss_conf = (struct rte_flow_action_rss){
-               .func = RTE_ETH_HASH_FUNCTION_DEFAULT,
-               .level = parser.rss_conf.level,
-               .types = parser.rss_conf.types,
-               .key_len = parser.rss_conf.key_len,
-               .queue_num = parser.rss_conf.queue_num,
-               .key = memcpy(flow->rss_key, parser.rss_conf.key,
-                             sizeof(*parser.rss_conf.key) *
-                             parser.rss_conf.key_len),
-               .queue = memcpy(flow->queues, parser.rss_conf.queue,
-                               sizeof(*parser.rss_conf.queue) *
-                               parser.rss_conf.queue_num),
-       };
-       flow->mark = parser.mark;
-       /* finalise the flow. */
-       if (parser.drop)
-               ret = mlx5_flow_create_action_queue_drop(dev, &parser, flow,
-                                                        error);
+       flow_size = sizeof(struct rte_flow);
+       rss = flow_get_rss_action(actions);
+       if (rss)
+               flow_size += RTE_ALIGN_CEIL(rss->queue_num * sizeof(uint16_t),
+                                           sizeof(void *));
        else
-               ret = mlx5_flow_create_action_queue(dev, &parser, flow, error);
-       if (ret)
-               goto exit;
+               flow_size += RTE_ALIGN_CEIL(sizeof(uint16_t), sizeof(void *));
+       flow = rte_calloc(__func__, 1, flow_size, 0);
+       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);
+       LIST_INIT(&flow->dev_flows);
+       if (rss && rss->types) {
+               unsigned int graph_root;
+
+               graph_root = find_graph_root(items, rss->level);
+               ret = rte_flow_expand_rss(buf, sizeof(expand_buffer.buffer),
+                                         items, rss->types,
+                                         mlx5_support_expansion,
+                                         graph_root);
+               assert(ret > 0 &&
+                      (unsigned int)ret < sizeof(expand_buffer.buffer));
+       } else {
+               buf->entries = 1;
+               buf->entry[0].pattern = (void *)(uintptr_t)items;
+       }
+       for (i = 0; i < buf->entries; ++i) {
+               dev_flow = flow_drv_prepare(flow, attr, buf->entry[i].pattern,
+                                           actions, error);
+               if (!dev_flow)
+                       goto error;
+               dev_flow->flow = flow;
+               LIST_INSERT_HEAD(&flow->dev_flows, dev_flow, next);
+               ret = flow_drv_translate(dev, dev_flow, attr,
+                                        buf->entry[i].pattern,
+                                        actions, error);
+               if (ret < 0)
+                       goto error;
+       }
+       if (dev->data->dev_started) {
+               ret = flow_drv_apply(dev, flow, error);
+               if (ret < 0)
+                       goto error;
+       }
        TAILQ_INSERT_TAIL(list, flow, next);
-       DRV_LOG(DEBUG, "port %u flow created %p", dev->data->port_id,
-               (void *)flow);
+       flow_rxq_flags_set(dev, flow);
        return flow;
-exit:
-       DRV_LOG(ERR, "port %u flow creation error: %s", dev->data->port_id,
-               error->message);
-       for (i = 0; i != hash_rxq_init_n; ++i) {
-               if (parser.queue[i].ibv_attr)
-                       rte_free(parser.queue[i].ibv_attr);
-       }
+error:
+       ret = rte_errno; /* Save rte_errno before cleanup. */
+       assert(flow);
+       flow_drv_destroy(dev, flow);
        rte_free(flow);
+       rte_errno = ret; /* Restore rte_errno. */
        return NULL;
 }
 
-/**
- * Validate a flow supported by the NIC.
- *
- * @see rte_flow_validate()
- * @see rte_flow_ops
- */
-int
-mlx5_flow_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)
-{
-       struct mlx5_flow_parse parser = { .create = 0, };
-
-       return mlx5_flow_convert(dev, attr, items, actions, error, &parser);
-}
-
 /**
  * Create a flow.
  *
@@ -2549,10 +2156,10 @@ mlx5_flow_create(struct rte_eth_dev *dev,
                 const struct rte_flow_action actions[],
                 struct rte_flow_error *error)
 {
-       struct priv *priv = dev->data->dev_private;
+       struct mlx5_priv *priv = (struct mlx5_priv *)dev->data->dev_private;
 
-       return mlx5_flow_list_create(dev, &priv->flows, attr, items, actions,
-                                    error);
+       return flow_list_create(dev, &priv->flows,
+                               attr, items, actions, error);
 }
 
 /**
@@ -2566,98 +2173,18 @@ mlx5_flow_create(struct rte_eth_dev *dev,
  *   Flow to destroy.
  */
 static void
-mlx5_flow_list_destroy(struct rte_eth_dev *dev, struct mlx5_flows *list,
-                      struct rte_flow *flow)
+flow_list_destroy(struct rte_eth_dev *dev, struct mlx5_flows *list,
+                 struct rte_flow *flow)
 {
-       struct priv *priv = dev->data->dev_private;
-       unsigned int i;
-
-       if (flow->drop || !dev->data->dev_started)
-               goto free;
-       for (i = 0; flow->tunnel && i != flow->rss_conf.queue_num; ++i) {
-               /* Update queue tunnel type. */
-               struct mlx5_rxq_data *rxq_data = (*priv->rxqs)
-                                                [(*flow->queues)[i]];
-               struct mlx5_rxq_ctrl *rxq_ctrl =
-                       container_of(rxq_data, struct mlx5_rxq_ctrl, rxq);
-               uint8_t tunnel = PTYPE_IDX(flow->tunnel);
-
-               assert(rxq_ctrl->tunnel_types[tunnel] > 0);
-               rxq_ctrl->tunnel_types[tunnel] -= 1;
-               if (!rxq_ctrl->tunnel_types[tunnel]) {
-                       /* Update tunnel type. */
-                       uint8_t j;
-                       uint8_t types = 0;
-                       uint8_t last;
-
-                       for (j = 0; j < RTE_DIM(rxq_ctrl->tunnel_types); j++)
-                               if (rxq_ctrl->tunnel_types[j]) {
-                                       types += 1;
-                                       last = j;
-                               }
-                       /* Keep same if more than one tunnel types left. */
-                       if (types == 1)
-                               rxq_data->tunnel = ptype_ext[last];
-                       else if (types == 0)
-                               /* No tunnel type left. */
-                               rxq_data->tunnel = 0;
-               }
-       }
-       for (i = 0; flow->mark && i != flow->rss_conf.queue_num; ++i) {
-               struct rte_flow *tmp;
-               int mark = 0;
-
-               /*
-                * To remove the mark from the queue, the queue must not be
-                * present in any other marked flow (RSS or not).
-                */
-               TAILQ_FOREACH(tmp, list, next) {
-                       unsigned int j;
-                       uint16_t *tqs = NULL;
-                       uint16_t tq_n = 0;
-
-                       if (!tmp->mark)
-                               continue;
-                       for (j = 0; j != hash_rxq_init_n; ++j) {
-                               if (!tmp->frxq[j].hrxq)
-                                       continue;
-                               tqs = tmp->frxq[j].hrxq->ind_table->queues;
-                               tq_n = tmp->frxq[j].hrxq->ind_table->queues_n;
-                       }
-                       if (!tq_n)
-                               continue;
-                       for (j = 0; (j != tq_n) && !mark; j++)
-                               if (tqs[j] == (*flow->queues)[i])
-                                       mark = 1;
-               }
-               (*priv->rxqs)[(*flow->queues)[i]]->mark = mark;
-       }
-free:
-       if (flow->drop) {
-               if (flow->frxq[HASH_RXQ_ETH].ibv_flow)
-                       claim_zero(mlx5_glue->destroy_flow
-                                  (flow->frxq[HASH_RXQ_ETH].ibv_flow));
-               rte_free(flow->frxq[HASH_RXQ_ETH].ibv_attr);
-       } else {
-               for (i = 0; i != hash_rxq_init_n; ++i) {
-                       struct mlx5_flow *frxq = &flow->frxq[i];
-
-                       if (frxq->ibv_flow)
-                               claim_zero(mlx5_glue->destroy_flow
-                                          (frxq->ibv_flow));
-                       if (frxq->hrxq)
-                               mlx5_hrxq_release(dev, frxq->hrxq);
-                       if (frxq->ibv_attr)
-                               rte_free(frxq->ibv_attr);
-               }
-       }
-       if (flow->cs) {
-               claim_zero(mlx5_glue->destroy_counter_set(flow->cs));
-               flow->cs = NULL;
-       }
+       /*
+        * 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);
-       DRV_LOG(DEBUG, "port %u flow destroyed %p", dev->data->port_id,
-               (void *)flow);
+       rte_free(flow->fdir);
        rte_free(flow);
 }
 
@@ -2676,137 +2203,8 @@ mlx5_flow_list_flush(struct rte_eth_dev *dev, struct mlx5_flows *list)
                struct rte_flow *flow;
 
                flow = TAILQ_FIRST(list);
-               mlx5_flow_list_destroy(dev, list, flow);
-       }
-}
-
-/**
- * Create drop queue.
- *
- * @param dev
- *   Pointer to Ethernet device.
- *
- * @return
- *   0 on success, a negative errno value otherwise and rte_errno is set.
- */
-int
-mlx5_flow_create_drop_queue(struct rte_eth_dev *dev)
-{
-       struct priv *priv = dev->data->dev_private;
-       struct mlx5_hrxq_drop *fdq = NULL;
-
-       assert(priv->pd);
-       assert(priv->ctx);
-       fdq = rte_calloc(__func__, 1, sizeof(*fdq), 0);
-       if (!fdq) {
-               DRV_LOG(WARNING,
-                       "port %u cannot allocate memory for drop queue",
-                       dev->data->port_id);
-               rte_errno = ENOMEM;
-               return -rte_errno;
-       }
-       fdq->cq = mlx5_glue->create_cq(priv->ctx, 1, NULL, NULL, 0);
-       if (!fdq->cq) {
-               DRV_LOG(WARNING, "port %u cannot allocate CQ for drop queue",
-                       dev->data->port_id);
-               rte_errno = errno;
-               goto error;
+               flow_list_destroy(dev, list, flow);
        }
-       fdq->wq = mlx5_glue->create_wq
-               (priv->ctx,
-                &(struct ibv_wq_init_attr){
-                       .wq_type = IBV_WQT_RQ,
-                       .max_wr = 1,
-                       .max_sge = 1,
-                       .pd = priv->pd,
-                       .cq = fdq->cq,
-                });
-       if (!fdq->wq) {
-               DRV_LOG(WARNING, "port %u cannot allocate WQ for drop queue",
-                       dev->data->port_id);
-               rte_errno = errno;
-               goto error;
-       }
-       fdq->ind_table = mlx5_glue->create_rwq_ind_table
-               (priv->ctx,
-                &(struct ibv_rwq_ind_table_init_attr){
-                       .log_ind_tbl_size = 0,
-                       .ind_tbl = &fdq->wq,
-                       .comp_mask = 0,
-                });
-       if (!fdq->ind_table) {
-               DRV_LOG(WARNING,
-                       "port %u cannot allocate indirection table for drop"
-                       " queue",
-                       dev->data->port_id);
-               rte_errno = errno;
-               goto error;
-       }
-       fdq->qp = mlx5_glue->create_qp_ex
-               (priv->ctx,
-                &(struct ibv_qp_init_attr_ex){
-                       .qp_type = IBV_QPT_RAW_PACKET,
-                       .comp_mask =
-                               IBV_QP_INIT_ATTR_PD |
-                               IBV_QP_INIT_ATTR_IND_TABLE |
-                               IBV_QP_INIT_ATTR_RX_HASH,
-                       .rx_hash_conf = (struct ibv_rx_hash_conf){
-                               .rx_hash_function =
-                                       IBV_RX_HASH_FUNC_TOEPLITZ,
-                               .rx_hash_key_len = rss_hash_default_key_len,
-                               .rx_hash_key = rss_hash_default_key,
-                               .rx_hash_fields_mask = 0,
-                               },
-                       .rwq_ind_tbl = fdq->ind_table,
-                       .pd = priv->pd
-                });
-       if (!fdq->qp) {
-               DRV_LOG(WARNING, "port %u cannot allocate QP for drop queue",
-                       dev->data->port_id);
-               rte_errno = errno;
-               goto error;
-       }
-       priv->flow_drop_queue = fdq;
-       return 0;
-error:
-       if (fdq->qp)
-               claim_zero(mlx5_glue->destroy_qp(fdq->qp));
-       if (fdq->ind_table)
-               claim_zero(mlx5_glue->destroy_rwq_ind_table(fdq->ind_table));
-       if (fdq->wq)
-               claim_zero(mlx5_glue->destroy_wq(fdq->wq));
-       if (fdq->cq)
-               claim_zero(mlx5_glue->destroy_cq(fdq->cq));
-       if (fdq)
-               rte_free(fdq);
-       priv->flow_drop_queue = NULL;
-       return -rte_errno;
-}
-
-/**
- * Delete drop queue.
- *
- * @param dev
- *   Pointer to Ethernet device.
- */
-void
-mlx5_flow_delete_drop_queue(struct rte_eth_dev *dev)
-{
-       struct priv *priv = dev->data->dev_private;
-       struct mlx5_hrxq_drop *fdq = priv->flow_drop_queue;
-
-       if (!fdq)
-               return;
-       if (fdq->qp)
-               claim_zero(mlx5_glue->destroy_qp(fdq->qp));
-       if (fdq->ind_table)
-               claim_zero(mlx5_glue->destroy_rwq_ind_table(fdq->ind_table));
-       if (fdq->wq)
-               claim_zero(mlx5_glue->destroy_wq(fdq->wq));
-       if (fdq->cq)
-               claim_zero(mlx5_glue->destroy_cq(fdq->cq));
-       rte_free(fdq);
-       priv->flow_drop_queue = NULL;
 }
 
 /**
@@ -2820,68 +2218,11 @@ mlx5_flow_delete_drop_queue(struct rte_eth_dev *dev)
 void
 mlx5_flow_stop(struct rte_eth_dev *dev, struct mlx5_flows *list)
 {
-       struct priv *priv = dev->data->dev_private;
        struct rte_flow *flow;
-       unsigned int i;
-
-       TAILQ_FOREACH_REVERSE(flow, list, mlx5_flows, next) {
-               struct mlx5_ind_table_ibv *ind_tbl = NULL;
-
-               if (flow->drop) {
-                       if (!flow->frxq[HASH_RXQ_ETH].ibv_flow)
-                               continue;
-                       claim_zero(mlx5_glue->destroy_flow
-                                  (flow->frxq[HASH_RXQ_ETH].ibv_flow));
-                       flow->frxq[HASH_RXQ_ETH].ibv_flow = NULL;
-                       DRV_LOG(DEBUG, "port %u flow %p removed",
-                               dev->data->port_id, (void *)flow);
-                       /* Next flow. */
-                       continue;
-               }
-               /* Verify the flow has not already been cleaned. */
-               for (i = 0; i != hash_rxq_init_n; ++i) {
-                       if (!flow->frxq[i].ibv_flow)
-                               continue;
-                       /*
-                        * Indirection table may be necessary to remove the
-                        * flags in the Rx queues.
-                        * This helps to speed-up the process by avoiding
-                        * another loop.
-                        */
-                       ind_tbl = flow->frxq[i].hrxq->ind_table;
-                       break;
-               }
-               if (i == hash_rxq_init_n)
-                       return;
-               if (flow->mark) {
-                       assert(ind_tbl);
-                       for (i = 0; i != ind_tbl->queues_n; ++i)
-                               (*priv->rxqs)[ind_tbl->queues[i]]->mark = 0;
-               }
-               for (i = 0; i != hash_rxq_init_n; ++i) {
-                       if (!flow->frxq[i].ibv_flow)
-                               continue;
-                       claim_zero(mlx5_glue->destroy_flow
-                                  (flow->frxq[i].ibv_flow));
-                       flow->frxq[i].ibv_flow = NULL;
-                       mlx5_hrxq_release(dev, flow->frxq[i].hrxq);
-                       flow->frxq[i].hrxq = NULL;
-               }
-               DRV_LOG(DEBUG, "port %u flow %p removed", dev->data->port_id,
-                       (void *)flow);
-       }
-       /* Cleanup Rx queue tunnel info. */
-       for (i = 0; i != priv->rxqs_n; ++i) {
-               struct mlx5_rxq_data *q = (*priv->rxqs)[i];
-               struct mlx5_rxq_ctrl *rxq_ctrl =
-                       container_of(q, struct mlx5_rxq_ctrl, rxq);
 
-               if (!q)
-                       continue;
-               memset((void *)rxq_ctrl->tunnel_types, 0,
-                      sizeof(rxq_ctrl->tunnel_types));
-               q->tunnel = 0;
-       }
+       TAILQ_FOREACH_REVERSE(flow, list, mlx5_flows, next)
+               flow_drv_remove(dev, flow);
+       flow_rxq_flags_clear(dev);
 }
 
 /**
@@ -2898,75 +2239,22 @@ mlx5_flow_stop(struct rte_eth_dev *dev, struct mlx5_flows *list)
 int
 mlx5_flow_start(struct rte_eth_dev *dev, struct mlx5_flows *list)
 {
-       struct priv *priv = dev->data->dev_private;
        struct rte_flow *flow;
+       struct rte_flow_error error;
+       int ret = 0;
 
        TAILQ_FOREACH(flow, list, next) {
-               unsigned int i;
-
-               if (flow->drop) {
-                       flow->frxq[HASH_RXQ_ETH].ibv_flow =
-                               mlx5_glue->create_flow
-                               (priv->flow_drop_queue->qp,
-                                flow->frxq[HASH_RXQ_ETH].ibv_attr);
-                       if (!flow->frxq[HASH_RXQ_ETH].ibv_flow) {
-                               DRV_LOG(DEBUG,
-                                       "port %u flow %p cannot be applied",
-                                       dev->data->port_id, (void *)flow);
-                               rte_errno = EINVAL;
-                               return -rte_errno;
-                       }
-                       DRV_LOG(DEBUG, "port %u flow %p applied",
-                               dev->data->port_id, (void *)flow);
-                       /* Next flow. */
-                       continue;
-               }
-               for (i = 0; i != hash_rxq_init_n; ++i) {
-                       if (!flow->frxq[i].ibv_attr)
-                               continue;
-                       flow->frxq[i].hrxq =
-                               mlx5_hrxq_get(dev, flow->rss_conf.key,
-                                             flow->rss_conf.key_len,
-                                             flow->frxq[i].hash_fields,
-                                             flow->rss_conf.queue,
-                                             flow->rss_conf.queue_num,
-                                             flow->tunnel,
-                                             flow->rss_conf.level);
-                       if (flow->frxq[i].hrxq)
-                               goto flow_create;
-                       flow->frxq[i].hrxq =
-                               mlx5_hrxq_new(dev, flow->rss_conf.key,
-                                             flow->rss_conf.key_len,
-                                             flow->frxq[i].hash_fields,
-                                             flow->rss_conf.queue,
-                                             flow->rss_conf.queue_num,
-                                             flow->tunnel,
-                                             flow->rss_conf.level);
-                       if (!flow->frxq[i].hrxq) {
-                               DRV_LOG(DEBUG,
-                                       "port %u flow %p cannot create hash"
-                                       " rxq",
-                                       dev->data->port_id, (void *)flow);
-                               rte_errno = EINVAL;
-                               return -rte_errno;
-                       }
-flow_create:
-                       mlx5_flow_dump(dev, flow, i);
-                       flow->frxq[i].ibv_flow =
-                               mlx5_glue->create_flow(flow->frxq[i].hrxq->qp,
-                                                      flow->frxq[i].ibv_attr);
-                       if (!flow->frxq[i].ibv_flow) {
-                               DRV_LOG(DEBUG,
-                                       "port %u flow %p type %u cannot be"
-                                       " applied",
-                                       dev->data->port_id, (void *)flow, i);
-                               rte_errno = EINVAL;
-                               return -rte_errno;
-                       }
-               }
-               mlx5_flow_create_update_rxqs(dev, flow);
+               ret = flow_drv_apply(dev, flow, &error);
+               if (ret < 0)
+                       goto error;
+               flow_rxq_flags_set(dev, flow);
        }
        return 0;
+error:
+       ret = rte_errno; /* Save rte_errno before cleanup. */
+       mlx5_flow_stop(dev, list);
+       rte_errno = ret; /* Restore rte_errno. */
+       return -rte_errno;
 }
 
 /**
@@ -2980,7 +2268,7 @@ flow_create:
 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;
 
@@ -3016,10 +2304,10 @@ 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_CTRL_FLOW_PRIORITY,
+               .priority = MLX5_FLOW_PRIO_RSVD,
        };
        struct rte_flow_item items[] = {
                {
@@ -3030,7 +2318,7 @@ mlx5_ctrl_flow_vlan(struct rte_eth_dev *dev,
                },
                {
                        .type = (vlan_spec) ? RTE_FLOW_ITEM_TYPE_VLAN :
-                               RTE_FLOW_ITEM_TYPE_END,
+                                             RTE_FLOW_ITEM_TYPE_END,
                        .spec = vlan_spec,
                        .last = NULL,
                        .mask = vlan_mask,
@@ -3062,14 +2350,13 @@ 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 = mlx5_flow_list_create(dev, &priv->ctrl_flows, &attr, items,
-                                    actions, &error);
+       flow = flow_list_create(dev, &priv->ctrl_flows,
+                               &attr, items, actions, &error);
        if (!flow)
                return -rte_errno;
        return 0;
@@ -3107,9 +2394,9 @@ 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;
 
-       mlx5_flow_list_destroy(dev, &priv->flows, flow);
+       flow_list_destroy(dev, &priv->flows, flow);
        return 0;
 }
 
@@ -3123,89 +2410,12 @@ 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;
 }
 
-#ifdef HAVE_IBV_DEVICE_COUNTERS_SET_SUPPORT
-/**
- * Query flow counter.
- *
- * @param cs
- *   the counter set.
- * @param counter_value
- *   returned data from the counter.
- *
- * @return
- *   0 on success, a negative errno value otherwise and rte_errno is set.
- */
-static int
-mlx5_flow_query_count(struct ibv_counter_set *cs,
-                     struct mlx5_flow_counter_stats *counter_stats,
-                     struct rte_flow_query_count *query_count,
-                     struct rte_flow_error *error)
-{
-       uint64_t counters[2];
-       struct ibv_query_counter_set_attr query_cs_attr = {
-               .cs = cs,
-               .query_flags = IBV_COUNTER_SET_FORCE_UPDATE,
-       };
-       struct ibv_counter_set_data query_out = {
-               .out = counters,
-               .outlen = 2 * sizeof(uint64_t),
-       };
-       int err = mlx5_glue->query_counter_set(&query_cs_attr, &query_out);
-
-       if (err)
-               return rte_flow_error_set(error, err,
-                                         RTE_FLOW_ERROR_TYPE_UNSPECIFIED,
-                                         NULL,
-                                         "cannot read counter");
-       query_count->hits_set = 1;
-       query_count->bytes_set = 1;
-       query_count->hits = counters[0] - counter_stats->hits;
-       query_count->bytes = counters[1] - counter_stats->bytes;
-       if (query_count->reset) {
-               counter_stats->hits = counters[0];
-               counter_stats->bytes = counters[1];
-       }
-       return 0;
-}
-
-/**
- * Query a flows.
- *
- * @see rte_flow_query()
- * @see rte_flow_ops
- */
-int
-mlx5_flow_query(struct rte_eth_dev *dev __rte_unused,
-               struct rte_flow *flow,
-               const struct rte_flow_action *action __rte_unused,
-               void *data,
-               struct rte_flow_error *error)
-{
-       if (flow->cs) {
-               int ret;
-
-               ret = mlx5_flow_query_count(flow->cs,
-                                           &flow->counter_stats,
-                                           (struct rte_flow_query_count *)data,
-                                           error);
-               if (ret)
-                       return ret;
-       } else {
-               return rte_flow_error_set(error, EINVAL,
-                                         RTE_FLOW_ERROR_TYPE_UNSPECIFIED,
-                                         NULL,
-                                         "no counter found for flow");
-       }
-       return 0;
-}
-#endif
-
 /**
  * Isolated mode.
  *
@@ -3217,7 +2427,7 @@ 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,
@@ -3234,6 +2444,49 @@ mlx5_flow_isolate(struct rte_eth_dev *dev,
        return 0;
 }
 
+/**
+ * Query a flow.
+ *
+ * @see rte_flow_query()
+ * @see rte_flow_ops
+ */
+static int
+flow_drv_query(struct rte_eth_dev *dev,
+              struct rte_flow *flow,
+              const struct rte_flow_action *actions,
+              void *data,
+              struct rte_flow_error *error)
+{
+       const struct mlx5_flow_driver_ops *fops;
+       enum mlx5_flow_drv_type ftype = flow->drv_type;
+
+       assert(ftype > MLX5_FLOW_TYPE_MIN && ftype < MLX5_FLOW_TYPE_MAX);
+       fops = flow_get_drv_ops(ftype);
+
+       return fops->query(dev, flow, actions, data, error);
+}
+
+/**
+ * Query a flow.
+ *
+ * @see rte_flow_query()
+ * @see rte_flow_ops
+ */
+int
+mlx5_flow_query(struct rte_eth_dev *dev,
+               struct rte_flow *flow,
+               const struct rte_flow_action *actions,
+               void *data,
+               struct rte_flow_error *error)
+{
+       int ret;
+
+       ret = flow_drv_query(dev, flow, actions, data, error);
+       if (ret < 0)
+               return ret;
+       return 0;
+}
+
 /**
  * Convert a flow director filter to a generic flow.
  *
@@ -3248,11 +2501,11 @@ mlx5_flow_isolate(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;
@@ -3295,14 +2548,13 @@ 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,
-                       .next_proto_id = input->flow.ip4_flow.proto,
                };
-               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,
@@ -3318,7 +2570,7 @@ 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,
                };
@@ -3421,6 +2673,69 @@ 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.
  *
@@ -3433,40 +2748,38 @@ 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 mlx5_flow_parse parser = {
-               .layer = HASH_RXQ_ETH,
-       };
-       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);
-       if (ret)
-               return ret;
-       ret = mlx5_flow_convert(dev, &attributes.attr, attributes.items,
-                               attributes.actions, &error, &parser);
+       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 = mlx5_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, 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;
 }
 
@@ -3482,95 +2795,28 @@ 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,
+flow_fdir_filter_delete(struct rte_eth_dev *dev,
                        const struct rte_eth_fdir_filter *fdir_filter)
 {
-       struct priv *priv = dev->data->dev_private;
-       struct mlx5_fdir attributes = {
+       struct mlx5_priv *priv = dev->data->dev_private;
+       struct rte_flow *flow;
+       struct mlx5_fdir fdir_flow = {
                .attr.group = 0,
        };
-       struct mlx5_flow_parse parser = {
-               .create = 1,
-               .layer = HASH_RXQ_ETH,
-       };
-       struct rte_flow_error error;
-       struct rte_flow *flow;
-       unsigned int i;
        int ret;
 
-       ret = mlx5_fdir_filter_convert(dev, fdir_filter, &attributes);
-       if (ret)
-               return ret;
-       ret = mlx5_flow_convert(dev, &attributes.attr, attributes.items,
-                               attributes.actions, &error, &parser);
+       ret = flow_fdir_filter_convert(dev, fdir_filter, &fdir_flow);
        if (ret)
-               goto exit;
-       /*
-        * Special case for drop action which is only set in the
-        * specifications when the flow is created.  In this situation the
-        * drop specification is missing.
-        */
-       if (parser.drop) {
-               struct ibv_flow_spec_action_drop *drop;
-
-               drop = (void *)((uintptr_t)parser.queue[HASH_RXQ_ETH].ibv_attr +
-                               parser.queue[HASH_RXQ_ETH].offset);
-               *drop = (struct ibv_flow_spec_action_drop){
-                       .type = IBV_FLOW_SPEC_ACTION_DROP,
-                       .size = sizeof(struct ibv_flow_spec_action_drop),
-               };
-               parser.queue[HASH_RXQ_ETH].ibv_attr->num_of_specs++;
-       }
-       TAILQ_FOREACH(flow, &priv->flows, next) {
-               struct ibv_flow_attr *attr;
-               struct ibv_spec_header *attr_h;
-               void *spec;
-               struct ibv_flow_attr *flow_attr;
-               struct ibv_spec_header *flow_h;
-               void *flow_spec;
-               unsigned int specs_n;
-               unsigned int queue_id = parser.drop ? HASH_RXQ_ETH :
-                                                     parser.layer;
-
-               attr = parser.queue[queue_id].ibv_attr;
-               flow_attr = flow->frxq[queue_id].ibv_attr;
-               /* Compare first the attributes. */
-               if (!flow_attr ||
-                   memcmp(attr, flow_attr, sizeof(struct ibv_flow_attr)))
-                       continue;
-               if (attr->num_of_specs == 0)
-                       continue;
-               spec = (void *)((uintptr_t)attr +
-                               sizeof(struct ibv_flow_attr));
-               flow_spec = (void *)((uintptr_t)flow_attr +
-                                    sizeof(struct ibv_flow_attr));
-               specs_n = RTE_MIN(attr->num_of_specs, flow_attr->num_of_specs);
-               for (i = 0; i != specs_n; ++i) {
-                       attr_h = spec;
-                       flow_h = flow_spec;
-                       if (memcmp(spec, flow_spec,
-                                  RTE_MIN(attr_h->size, flow_h->size)))
-                               goto wrong_flow;
-                       spec = (void *)((uintptr_t)spec + attr_h->size);
-                       flow_spec = (void *)((uintptr_t)flow_spec +
-                                            flow_h->size);
-               }
-               /* At this point, the flow match. */
-               break;
-wrong_flow:
-               /* The flow does not match. */
-               continue;
-       }
-       ret = rte_errno; /* Save rte_errno before cleanup. */
-       if (flow)
-               mlx5_flow_list_destroy(dev, &priv->flows, flow);
-exit:
-       for (i = 0; i != hash_rxq_init_n; ++i) {
-               if (parser.queue[i].ibv_attr)
-                       rte_free(parser.queue[i].ibv_attr);
+               return -rte_errno;
+       flow = flow_fdir_filter_lookup(dev, &fdir_flow);
+       if (!flow) {
+               rte_errno = ENOENT;
+               return -rte_errno;
        }
-       rte_errno = ret; /* Restore rte_errno. */
-       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;
 }
 
 /**
@@ -3585,15 +2831,15 @@ exit:
  *   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);
 }
 
 /**
@@ -3603,9 +2849,9 @@ 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);
 }
@@ -3619,7 +2865,7 @@ 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;
@@ -3649,7 +2895,7 @@ 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 =
@@ -3666,16 +2912,16 @@ 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",
@@ -3716,7 +2962,7 @@ 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);
@@ -3725,56 +2971,3 @@ mlx5_dev_filter_ctrl(struct rte_eth_dev *dev,
        }
        return 0;
 }
-
-/**
- * Detect number of Verbs flow priorities supported.
- *
- * @param dev
- *   Pointer to Ethernet device.
- *
- * @return
- *   number of supported Verbs flow priority.
- */
-unsigned int
-mlx5_get_max_verbs_prio(struct rte_eth_dev *dev)
-{
-       struct priv *priv = dev->data->dev_private;
-       unsigned int verb_priorities = MLX5_VERBS_FLOW_PRIO_8;
-       struct {
-               struct ibv_flow_attr attr;
-               struct ibv_flow_spec_eth eth;
-               struct ibv_flow_spec_action_drop drop;
-       } flow_attr = {
-               .attr = {
-                       .num_of_specs = 2,
-               },
-               .eth = {
-                       .type = IBV_FLOW_SPEC_ETH,
-                       .size = sizeof(struct ibv_flow_spec_eth),
-               },
-               .drop = {
-                       .size = sizeof(struct ibv_flow_spec_action_drop),
-                       .type = IBV_FLOW_SPEC_ACTION_DROP,
-               },
-       };
-       struct ibv_flow *flow;
-
-       do {
-               flow_attr.attr.priority = verb_priorities - 1;
-               flow = mlx5_glue->create_flow(priv->flow_drop_queue->qp,
-                                             &flow_attr.attr);
-               if (flow) {
-                       claim_zero(mlx5_glue->destroy_flow(flow));
-                       /* Try more priorities. */
-                       verb_priorities *= 2;
-               } else {
-                       /* Failed, restore last right number. */
-                       verb_priorities /= 2;
-                       break;
-               }
-       } while (1);
-       DRV_LOG(DEBUG, "port %u Verbs flow priorities: %d,"
-               " user flow priorities: %d",
-               dev->data->port_id, verb_priorities, MLX5_CTRL_FLOW_PRIORITY);
-       return verb_priorities;
-}