New upstream version 18.11.2
[deb_dpdk.git] / drivers / net / mlx5 / mlx5_flow_tcf.c
index 97d2a54..92f984f 100644 (file)
@@ -28,6 +28,7 @@
 #include <rte_flow.h>
 #include <rte_malloc.h>
 #include <rte_common.h>
+#include <rte_cycles.h>
 
 #include "mlx5.h"
 #include "mlx5_flow.h"
@@ -160,6 +161,9 @@ struct tc_tunnel_key {
 #ifndef TCA_CLS_FLAGS_SKIP_SW
 #define TCA_CLS_FLAGS_SKIP_SW (1 << 1)
 #endif
+#ifndef TCA_CLS_FLAGS_IN_HW
+#define TCA_CLS_FLAGS_IN_HW (1 << 2)
+#endif
 #ifndef HAVE_TCA_CHAIN
 #define TCA_CHAIN 11
 #endif
@@ -317,6 +321,11 @@ struct tc_tunnel_key {
 #define MLX5_VXLAN_PORT_MIN 30000
 #define MLX5_VXLAN_PORT_MAX 60000
 #define MLX5_VXLAN_DEVICE_PFX "vmlx_"
+/**
+ * Timeout in milliseconds to wait VXLAN UDP offloaded port
+ * registration  completed within the mlx5 driver.
+ */
+#define MLX5_VXLAN_WAIT_PORT_REG_MS 250
 
 /** Tunnel action type, used for @p type in header structure. */
 enum flow_tcf_tunact_type {
@@ -400,7 +409,8 @@ struct tcf_vtep {
        unsigned int ifindex; /**< Own interface index. */
        unsigned int ifouter; /**< Index of device attached to. */
        uint16_t port;
-       uint8_t created;
+       uint32_t created:1; /**< Actually created by PMD. */
+       uint32_t waitreg:1; /**< Wait for VXLAN UDP port registration. */
 };
 
 /** Tunnel descriptor header, common for all tunnel types. */
@@ -433,7 +443,7 @@ struct flow_tcf_vxlan_encap {
                        uint8_t src[IPV6_ADDR_LEN];
                } ipv6;
        };
-struct {
+       struct {
                rte_be16_t src;
                rte_be16_t dst;
        } udp;
@@ -460,7 +470,9 @@ static const union {
        struct rte_flow_item_tcp tcp;
        struct rte_flow_item_udp udp;
        struct rte_flow_item_vxlan vxlan;
-} flow_tcf_mask_empty;
+} flow_tcf_mask_empty = {
+       {0},
+};
 
 /** Supported masks for known item types. */
 static const struct {
@@ -1276,7 +1288,7 @@ flow_tcf_validate_vxlan_encap_ipv4(const struct rte_flow_item *item,
  *   Pointer to the error structure.
  *
  * @return
- *   0 on success, a negative errno value otherwise and rte_ernno is set.
+ *   0 on success, a negative errno value otherwise and rte_errno is set.
  **/
 static int
 flow_tcf_validate_vxlan_encap_ipv6(const struct rte_flow_item *item,
@@ -1362,7 +1374,7 @@ flow_tcf_validate_vxlan_encap_ipv6(const struct rte_flow_item *item,
  *   Pointer to the error structure.
  *
  * @return
- *   0 on success, a negative errno value otherwise and rte_ernno is set.
+ *   0 on success, a negative errno value otherwise and rte_errno is set.
  **/
 static int
 flow_tcf_validate_vxlan_encap_udp(const struct rte_flow_item *item,
@@ -1430,7 +1442,7 @@ flow_tcf_validate_vxlan_encap_udp(const struct rte_flow_item *item,
  *   Pointer to the error structure.
  *
  * @return
- *   0 on success, a negative errno value otherwise and rte_ernno is set.
+ *   0 on success, a negative errno value otherwise and rte_errno is set.
  **/
 static int
 flow_tcf_validate_vxlan_encap_vni(const struct rte_flow_item *item,
@@ -1478,7 +1490,7 @@ flow_tcf_validate_vxlan_encap_vni(const struct rte_flow_item *item,
  *   Pointer to the error structure.
  *
  * @return
- *   0 on success, a negative errno value otherwise and rte_ernno is set.
+ *   0 on success, a negative errno value otherwise and rte_errno is set.
  **/
 static int
 flow_tcf_validate_vxlan_encap(const struct rte_flow_action *action,
@@ -1581,141 +1593,8 @@ flow_tcf_validate_vxlan_encap(const struct rte_flow_action *action,
 }
 
 /**
- * Validate RTE_FLOW_ITEM_TYPE_IPV4 item if VXLAN_DECAP action
- * is present in actions list.
- *
- * @param[in] ipv4
- *   Outer IPv4 address item (if any, NULL otherwise).
- * @param[out] error
- *   Pointer to the error structure.
- *
- * @return
- *   0 on success, a negative errno value otherwise and rte_ernno is set.
- **/
-static int
-flow_tcf_validate_vxlan_decap_ipv4(const struct rte_flow_item *ipv4,
-                                  struct rte_flow_error *error)
-{
-       const struct rte_flow_item_ipv4 *spec = ipv4->spec;
-       const struct rte_flow_item_ipv4 *mask = ipv4->mask;
-
-       if (!spec) {
-               /*
-                * Specification for IP addresses cannot be empty
-                * because it is required as decap parameter.
-                */
-               return rte_flow_error_set(error, EINVAL,
-                                         RTE_FLOW_ERROR_TYPE_ITEM, ipv4,
-                                         "NULL outer ipv4 address"
-                                         " specification for vxlan"
-                                         " for vxlan decapsulation");
-       }
-       if (!mask)
-               mask = &rte_flow_item_ipv4_mask;
-       if (mask->hdr.dst_addr != RTE_BE32(0x00000000)) {
-               if (mask->hdr.dst_addr != RTE_BE32(0xffffffff))
-                       return rte_flow_error_set
-                                       (error, ENOTSUP,
-                                        RTE_FLOW_ERROR_TYPE_ITEM_MASK, mask,
-                                        "no support for partial mask on"
-                                        " \"ipv4.hdr.dst_addr\" field");
-               /* More IP address validations can be put here. */
-       } else {
-               /*
-                * Kernel uses the destination IP address
-                * to determine the ingress network interface
-                * for traffic being decapsulated.
-                */
-               return rte_flow_error_set(error, EINVAL,
-                                         RTE_FLOW_ERROR_TYPE_ITEM, ipv4,
-                                         "outer ipv4 destination address"
-                                         " must be specified for"
-                                         " vxlan decapsulation");
-       }
-       /* Source IP address is optional for decap. */
-       if (mask->hdr.src_addr != RTE_BE32(0x00000000) &&
-           mask->hdr.src_addr != RTE_BE32(0xffffffff))
-               return rte_flow_error_set(error, ENOTSUP,
-                                         RTE_FLOW_ERROR_TYPE_ITEM_MASK, mask,
-                                         "no support for partial mask on"
-                                         " \"ipv4.hdr.src_addr\" field");
-       return 0;
-}
-
-/**
- * Validate RTE_FLOW_ITEM_TYPE_IPV6 item if VXLAN_DECAP action
- * is present in actions list.
- *
- * @param[in] ipv6
- *   Outer IPv6 address item (if any, NULL otherwise).
- * @param[out] error
- *   Pointer to the error structure.
- *
- * @return
- *   0 on success, a negative errno value otherwise and rte_ernno is set.
- **/
-static int
-flow_tcf_validate_vxlan_decap_ipv6(const struct rte_flow_item *ipv6,
-                                  struct rte_flow_error *error)
-{
-       const struct rte_flow_item_ipv6 *spec = ipv6->spec;
-       const struct rte_flow_item_ipv6 *mask = ipv6->mask;
-
-       if (!spec) {
-               /*
-                * Specification for IP addresses cannot be empty
-                * because it is required as decap parameter.
-                */
-               return rte_flow_error_set(error, EINVAL,
-                                         RTE_FLOW_ERROR_TYPE_ITEM, ipv6,
-                                         "NULL outer ipv6 address"
-                                         " specification for vxlan"
-                                         " decapsulation");
-       }
-       if (!mask)
-               mask = &rte_flow_item_ipv6_mask;
-       if (memcmp(&mask->hdr.dst_addr,
-                  &flow_tcf_mask_empty.ipv6.hdr.dst_addr,
-                  IPV6_ADDR_LEN)) {
-               if (memcmp(&mask->hdr.dst_addr,
-                       &rte_flow_item_ipv6_mask.hdr.dst_addr,
-                       IPV6_ADDR_LEN))
-                       return rte_flow_error_set
-                                       (error, ENOTSUP,
-                                        RTE_FLOW_ERROR_TYPE_ITEM_MASK, mask,
-                                        "no support for partial mask on"
-                                        " \"ipv6.hdr.dst_addr\" field");
-               /* More IP address validations can be put here. */
-       } else {
-               /*
-                * Kernel uses the destination IP address
-                * to determine the ingress network interface
-                * for traffic being decapsulated.
-                */
-               return rte_flow_error_set(error, EINVAL,
-                                         RTE_FLOW_ERROR_TYPE_ITEM, ipv6,
-                                         "outer ipv6 destination address must be "
-                                         "specified for vxlan decapsulation");
-       }
-       /* Source IP address is optional for decap. */
-       if (memcmp(&mask->hdr.src_addr,
-                  &flow_tcf_mask_empty.ipv6.hdr.src_addr,
-                  IPV6_ADDR_LEN)) {
-               if (memcmp(&mask->hdr.src_addr,
-                          &rte_flow_item_ipv6_mask.hdr.src_addr,
-                          IPV6_ADDR_LEN))
-                       return rte_flow_error_set
-                                       (error, ENOTSUP,
-                                        RTE_FLOW_ERROR_TYPE_ITEM_MASK, mask,
-                                        "no support for partial mask on"
-                                        " \"ipv6.hdr.src_addr\" field");
-       }
-       return 0;
-}
-
-/**
- * Validate RTE_FLOW_ITEM_TYPE_UDP item if VXLAN_DECAP action
- * is present in actions list.
+ * Validate outer RTE_FLOW_ITEM_TYPE_UDP item if tunnel item
+ * RTE_FLOW_ITEM_TYPE_VXLAN is present in item list.
  *
  * @param[in] udp
  *   Outer UDP layer item (if any, NULL otherwise).
@@ -1723,7 +1602,7 @@ flow_tcf_validate_vxlan_decap_ipv6(const struct rte_flow_item *ipv6,
  *   Pointer to the error structure.
  *
  * @return
- *   0 on success, a negative errno value otherwise and rte_ernno is set.
+ *   0 on success, a negative errno value otherwise and rte_errno is set.
  **/
 static int
 flow_tcf_validate_vxlan_decap_udp(const struct rte_flow_item *udp,
@@ -1791,7 +1670,7 @@ flow_tcf_validate_vxlan_decap_udp(const struct rte_flow_item *udp,
  *   Pointer to the error structure.
  *
  * @return
- *   0 on success, a negative errno value otherwise and rte_ernno is set.
+ *   0 on success, a negative errno value otherwise and rte_errno is set.
  */
 static int
 flow_tcf_validate(struct rte_eth_dev *dev,
@@ -1822,9 +1701,13 @@ flow_tcf_validate(struct rte_eth_dev *dev,
                const struct rte_flow_action_set_ipv4 *set_ipv4;
                const struct rte_flow_action_set_ipv6 *set_ipv6;
        } conf;
+       const struct rte_flow_item *outer_udp = NULL;
+       rte_be16_t inner_etype = RTE_BE16(ETH_P_ALL);
+       rte_be16_t outer_etype = RTE_BE16(ETH_P_ALL);
+       rte_be16_t vlan_etype = RTE_BE16(ETH_P_ALL);
        uint64_t item_flags = 0;
        uint64_t action_flags = 0;
-       uint8_t next_protocol = -1;
+       uint8_t next_protocol = 0xff;
        unsigned int tcm_ifindex = 0;
        uint8_t pedit_validated = 0;
        struct flow_tcf_ptoi ptoi[PTOI_TABLE_SZ_MAX(dev)];
@@ -1884,9 +1767,23 @@ flow_tcf_validate(struct rte_eth_dev *dev,
                case RTE_FLOW_ACTION_TYPE_OF_POP_VLAN:
                        current_action_flag = MLX5_FLOW_ACTION_OF_POP_VLAN;
                        break;
-               case RTE_FLOW_ACTION_TYPE_OF_PUSH_VLAN:
+               case RTE_FLOW_ACTION_TYPE_OF_PUSH_VLAN: {
+                       rte_be16_t ethertype;
+
                        current_action_flag = MLX5_FLOW_ACTION_OF_PUSH_VLAN;
+                       if (!actions->conf)
+                               break;
+                       conf.of_push_vlan = actions->conf;
+                       ethertype = conf.of_push_vlan->ethertype;
+                       if (ethertype != RTE_BE16(ETH_P_8021Q) &&
+                           ethertype != RTE_BE16(ETH_P_8021AD))
+                               return rte_flow_error_set
+                                       (error, EINVAL,
+                                        RTE_FLOW_ERROR_TYPE_ACTION, actions,
+                                        "vlan push TPID must be "
+                                        "802.1Q or 802.1AD");
                        break;
+               }
                case RTE_FLOW_ACTION_TYPE_OF_SET_VLAN_VID:
                        if (!(action_flags & MLX5_FLOW_ACTION_OF_PUSH_VLAN))
                                return rte_flow_error_set
@@ -1994,17 +1891,16 @@ flow_tcf_validate(struct rte_eth_dev *dev,
        for (; items->type != RTE_FLOW_ITEM_TYPE_END; items++) {
                unsigned int i;
 
-               if ((item_flags & MLX5_FLOW_LAYER_TUNNEL) &&
-                   items->type != RTE_FLOW_ITEM_TYPE_ETH)
-                       return rte_flow_error_set(error, ENOTSUP,
-                                                 RTE_FLOW_ERROR_TYPE_ITEM,
-                                                 items,
-                                                 "only L2 inner item"
-                                                 " is supported");
                switch (items->type) {
                case RTE_FLOW_ITEM_TYPE_VOID:
                        break;
                case RTE_FLOW_ITEM_TYPE_PORT_ID:
+                       if (item_flags & MLX5_FLOW_LAYER_TUNNEL)
+                               return rte_flow_error_set
+                                       (error, ENOTSUP,
+                                        RTE_FLOW_ERROR_TYPE_ITEM, items,
+                                        "inner tunnel port id"
+                                        " item is not supported");
                        mask.port_id = flow_tcf_item_mask
                                (items, &rte_flow_item_port_id_mask,
                                 &flow_tcf_mask_supported.port_id,
@@ -2055,8 +1951,8 @@ flow_tcf_validate(struct rte_eth_dev *dev,
                        if (ret < 0)
                                return ret;
                        item_flags |= (item_flags & MLX5_FLOW_LAYER_TUNNEL) ?
-                                       MLX5_FLOW_LAYER_INNER_L2 :
-                                       MLX5_FLOW_LAYER_OUTER_L2;
+                                     MLX5_FLOW_LAYER_INNER_L2 :
+                                     MLX5_FLOW_LAYER_OUTER_L2;
                        /* TODO:
                         * Redundant check due to different supported mask.
                         * Same for the rest of items.
@@ -2077,8 +1973,40 @@ flow_tcf_validate(struct rte_eth_dev *dev,
                                         mask.eth,
                                         "no support for partial mask on"
                                         " \"type\" field");
+                       assert(items->spec);
+                       spec.eth = items->spec;
+                       if (mask.eth->type &&
+                           (item_flags & MLX5_FLOW_LAYER_TUNNEL) &&
+                           inner_etype != RTE_BE16(ETH_P_ALL) &&
+                           inner_etype != spec.eth->type)
+                               return rte_flow_error_set
+                                       (error, EINVAL,
+                                        RTE_FLOW_ERROR_TYPE_ITEM,
+                                        items,
+                                        "inner eth_type conflict");
+                       if (mask.eth->type &&
+                           !(item_flags & MLX5_FLOW_LAYER_TUNNEL) &&
+                           outer_etype != RTE_BE16(ETH_P_ALL) &&
+                           outer_etype != spec.eth->type)
+                               return rte_flow_error_set
+                                       (error, EINVAL,
+                                        RTE_FLOW_ERROR_TYPE_ITEM,
+                                        items,
+                                        "outer eth_type conflict");
+                       if (mask.eth->type) {
+                               if (item_flags & MLX5_FLOW_LAYER_TUNNEL)
+                                       inner_etype = spec.eth->type;
+                               else
+                                       outer_etype = spec.eth->type;
+                       }
                        break;
                case RTE_FLOW_ITEM_TYPE_VLAN:
+                       if (item_flags & MLX5_FLOW_LAYER_TUNNEL)
+                               return rte_flow_error_set
+                                       (error, ENOTSUP,
+                                        RTE_FLOW_ERROR_TYPE_ITEM, items,
+                                        "inner tunnel VLAN"
+                                        " is not supported");
                        ret = mlx5_flow_validate_item_vlan(items, item_flags,
                                                           error);
                        if (ret < 0)
@@ -2107,13 +2035,36 @@ flow_tcf_validate(struct rte_eth_dev *dev,
                                         "no support for partial masks on"
                                         " \"tci\" (PCP and VID parts) and"
                                         " \"inner_type\" fields");
+                       if (outer_etype != RTE_BE16(ETH_P_ALL) &&
+                           outer_etype != RTE_BE16(ETH_P_8021Q))
+                               return rte_flow_error_set
+                                       (error, EINVAL,
+                                        RTE_FLOW_ERROR_TYPE_ITEM,
+                                        items,
+                                        "outer eth_type conflict,"
+                                        " must be 802.1Q");
+                       outer_etype = RTE_BE16(ETH_P_8021Q);
+                       assert(items->spec);
+                       spec.vlan = items->spec;
+                       if (mask.vlan->inner_type &&
+                           vlan_etype != RTE_BE16(ETH_P_ALL) &&
+                           vlan_etype != spec.vlan->inner_type)
+                               return rte_flow_error_set
+                                       (error, EINVAL,
+                                        RTE_FLOW_ERROR_TYPE_ITEM,
+                                        items,
+                                        "vlan eth_type conflict");
+                       if (mask.vlan->inner_type)
+                               vlan_etype = spec.vlan->inner_type;
                        break;
                case RTE_FLOW_ITEM_TYPE_IPV4:
                        ret = mlx5_flow_validate_item_ipv4(items, item_flags,
                                                           error);
                        if (ret < 0)
                                return ret;
-                       item_flags |= MLX5_FLOW_LAYER_OUTER_L3_IPV4;
+                       item_flags |= (item_flags & MLX5_FLOW_LAYER_TUNNEL) ?
+                                     MLX5_FLOW_LAYER_INNER_L3_IPV4 :
+                                     MLX5_FLOW_LAYER_OUTER_L3_IPV4;
                        mask.ipv4 = flow_tcf_item_mask
                                (items, &rte_flow_item_ipv4_mask,
                                 &flow_tcf_mask_supported.ipv4,
@@ -2134,11 +2085,36 @@ flow_tcf_validate(struct rte_eth_dev *dev,
                                next_protocol =
                                        ((const struct rte_flow_item_ipv4 *)
                                         (items->spec))->hdr.next_proto_id;
-                       if (action_flags & MLX5_FLOW_ACTION_VXLAN_DECAP) {
-                               ret = flow_tcf_validate_vxlan_decap_ipv4
-                                                               (items, error);
-                               if (ret < 0)
-                                       return ret;
+                       if (item_flags & MLX5_FLOW_LAYER_TUNNEL) {
+                               if (inner_etype != RTE_BE16(ETH_P_ALL) &&
+                                   inner_etype != RTE_BE16(ETH_P_IP))
+                                       return rte_flow_error_set
+                                               (error, EINVAL,
+                                                RTE_FLOW_ERROR_TYPE_ITEM,
+                                                items,
+                                                "inner eth_type conflict,"
+                                                " IPv4 is required");
+                               inner_etype = RTE_BE16(ETH_P_IP);
+                       } else if (item_flags & MLX5_FLOW_LAYER_OUTER_VLAN) {
+                               if (vlan_etype != RTE_BE16(ETH_P_ALL) &&
+                                   vlan_etype != RTE_BE16(ETH_P_IP))
+                                       return rte_flow_error_set
+                                               (error, EINVAL,
+                                                RTE_FLOW_ERROR_TYPE_ITEM,
+                                                items,
+                                                "vlan eth_type conflict,"
+                                                " IPv4 is required");
+                               vlan_etype = RTE_BE16(ETH_P_IP);
+                       } else {
+                               if (outer_etype != RTE_BE16(ETH_P_ALL) &&
+                                   outer_etype != RTE_BE16(ETH_P_IP))
+                                       return rte_flow_error_set
+                                               (error, EINVAL,
+                                                RTE_FLOW_ERROR_TYPE_ITEM,
+                                                items,
+                                                "eth_type conflict,"
+                                                " IPv4 is required");
+                               outer_etype = RTE_BE16(ETH_P_IP);
                        }
                        break;
                case RTE_FLOW_ITEM_TYPE_IPV6:
@@ -2146,7 +2122,9 @@ flow_tcf_validate(struct rte_eth_dev *dev,
                                                           error);
                        if (ret < 0)
                                return ret;
-                       item_flags |= MLX5_FLOW_LAYER_OUTER_L3_IPV6;
+                       item_flags |= (item_flags & MLX5_FLOW_LAYER_TUNNEL) ?
+                                     MLX5_FLOW_LAYER_INNER_L3_IPV6 :
+                                     MLX5_FLOW_LAYER_OUTER_L3_IPV6;
                        mask.ipv6 = flow_tcf_item_mask
                                (items, &rte_flow_item_ipv6_mask,
                                 &flow_tcf_mask_supported.ipv6,
@@ -2167,11 +2145,36 @@ flow_tcf_validate(struct rte_eth_dev *dev,
                                next_protocol =
                                        ((const struct rte_flow_item_ipv6 *)
                                         (items->spec))->hdr.proto;
-                       if (action_flags & MLX5_FLOW_ACTION_VXLAN_DECAP) {
-                               ret = flow_tcf_validate_vxlan_decap_ipv6
-                                                               (items, error);
-                               if (ret < 0)
-                                       return ret;
+                       if (item_flags & MLX5_FLOW_LAYER_TUNNEL) {
+                               if (inner_etype != RTE_BE16(ETH_P_ALL) &&
+                                   inner_etype != RTE_BE16(ETH_P_IPV6))
+                                       return rte_flow_error_set
+                                               (error, EINVAL,
+                                                RTE_FLOW_ERROR_TYPE_ITEM,
+                                                items,
+                                                "inner eth_type conflict,"
+                                                " IPv6 is required");
+                               inner_etype = RTE_BE16(ETH_P_IPV6);
+                       } else if (item_flags & MLX5_FLOW_LAYER_OUTER_VLAN) {
+                               if (vlan_etype != RTE_BE16(ETH_P_ALL) &&
+                                   vlan_etype != RTE_BE16(ETH_P_IPV6))
+                                       return rte_flow_error_set
+                                               (error, EINVAL,
+                                                RTE_FLOW_ERROR_TYPE_ITEM,
+                                                items,
+                                                "vlan eth_type conflict,"
+                                                " IPv6 is required");
+                               vlan_etype = RTE_BE16(ETH_P_IPV6);
+                       } else {
+                               if (outer_etype != RTE_BE16(ETH_P_ALL) &&
+                                   outer_etype != RTE_BE16(ETH_P_IPV6))
+                                       return rte_flow_error_set
+                                               (error, EINVAL,
+                                                RTE_FLOW_ERROR_TYPE_ITEM,
+                                                items,
+                                                "eth_type conflict,"
+                                                " IPv6 is required");
+                               outer_etype = RTE_BE16(ETH_P_IPV6);
                        }
                        break;
                case RTE_FLOW_ITEM_TYPE_UDP:
@@ -2179,7 +2182,9 @@ flow_tcf_validate(struct rte_eth_dev *dev,
                                                          next_protocol, error);
                        if (ret < 0)
                                return ret;
-                       item_flags |= MLX5_FLOW_LAYER_OUTER_L4_UDP;
+                       item_flags |= (item_flags & MLX5_FLOW_LAYER_TUNNEL) ?
+                                     MLX5_FLOW_LAYER_INNER_L4_UDP :
+                                     MLX5_FLOW_LAYER_OUTER_L4_UDP;
                        mask.udp = flow_tcf_item_mask
                                (items, &rte_flow_item_udp_mask,
                                 &flow_tcf_mask_supported.udp,
@@ -2188,12 +2193,12 @@ flow_tcf_validate(struct rte_eth_dev *dev,
                                 error);
                        if (!mask.udp)
                                return -rte_errno;
-                       if (action_flags & MLX5_FLOW_ACTION_VXLAN_DECAP) {
-                               ret = flow_tcf_validate_vxlan_decap_udp
-                                                               (items, error);
-                               if (ret < 0)
-                                       return ret;
-                       }
+                       /*
+                        * Save the presumed outer UDP item for extra check
+                        * if the tunnel item will be found later in the list.
+                        */
+                       if (!(item_flags & MLX5_FLOW_LAYER_TUNNEL))
+                               outer_udp = items;
                        break;
                case RTE_FLOW_ITEM_TYPE_TCP:
                        ret = mlx5_flow_validate_item_tcp
@@ -2203,7 +2208,9 @@ flow_tcf_validate(struct rte_eth_dev *dev,
                                              error);
                        if (ret < 0)
                                return ret;
-                       item_flags |= MLX5_FLOW_LAYER_OUTER_L4_TCP;
+                       item_flags |= (item_flags & MLX5_FLOW_LAYER_TUNNEL) ?
+                                     MLX5_FLOW_LAYER_INNER_L4_TCP :
+                                     MLX5_FLOW_LAYER_OUTER_L4_TCP;
                        mask.tcp = flow_tcf_item_mask
                                (items, &rte_flow_item_tcp_mask,
                                 &flow_tcf_mask_supported.tcp,
@@ -2214,13 +2221,12 @@ flow_tcf_validate(struct rte_eth_dev *dev,
                                return -rte_errno;
                        break;
                case RTE_FLOW_ITEM_TYPE_VXLAN:
-                       if (!(action_flags & MLX5_FLOW_ACTION_VXLAN_DECAP))
+                       if (item_flags & MLX5_FLOW_LAYER_OUTER_VLAN)
                                return rte_flow_error_set
                                        (error, ENOTSUP,
-                                        RTE_FLOW_ERROR_TYPE_ITEM,
-                                        items,
-                                        "vni pattern should be followed by"
-                                        " vxlan decapsulation action");
+                                        RTE_FLOW_ERROR_TYPE_ITEM, items,
+                                        "vxlan tunnel over vlan"
+                                        " is not supported");
                        ret = mlx5_flow_validate_item_vxlan(items,
                                                            item_flags, error);
                        if (ret < 0)
@@ -2242,6 +2248,45 @@ flow_tcf_validate(struct rte_eth_dev *dev,
                                         mask.vxlan,
                                         "no support for partial or "
                                         "empty mask on \"vxlan.vni\" field");
+                       /*
+                        * The VNI item assumes the VXLAN tunnel, it requires
+                        * at least the outer destination UDP port must be
+                        * specified without wildcards to allow kernel select
+                        * the virtual VXLAN device by port. Also outer IPv4
+                        * or IPv6 item must be specified (wilcards or even
+                        * zero mask are allowed) to let driver know the tunnel
+                        * IP version and process UDP traffic correctly.
+                        */
+                       if (!(item_flags &
+                            (MLX5_FLOW_LAYER_OUTER_L3_IPV4 |
+                             MLX5_FLOW_LAYER_OUTER_L3_IPV6)))
+                               return rte_flow_error_set
+                                                (error, EINVAL,
+                                                 RTE_FLOW_ERROR_TYPE_ACTION,
+                                                 NULL,
+                                                 "no outer IP pattern found"
+                                                 " for vxlan tunnel");
+                       if (!(item_flags & MLX5_FLOW_LAYER_OUTER_L4_UDP))
+                               return rte_flow_error_set
+                                                (error, EINVAL,
+                                                 RTE_FLOW_ERROR_TYPE_ACTION,
+                                                 NULL,
+                                                 "no outer UDP pattern found"
+                                                 " for vxlan tunnel");
+                       /*
+                        * All items preceding the tunnel item become outer
+                        * ones and we should do extra validation for them
+                        * due to tc limitations for tunnel outer parameters.
+                        * Currently only outer UDP item requres extra check,
+                        * use the saved pointer instead of item list rescan.
+                        */
+                       assert(outer_udp);
+                       ret = flow_tcf_validate_vxlan_decap_udp
+                                               (outer_udp, error);
+                       if (ret < 0)
+                               return ret;
+                       /* Reset L4 protocol for inner parameters. */
+                       next_protocol = 0xff;
                        break;
                default:
                        return rte_flow_error_set(error, ENOTSUP,
@@ -2299,7 +2344,7 @@ flow_tcf_validate(struct rte_eth_dev *dev,
         */
        if ((action_flags & MLX5_FLOW_ACTION_OF_PUSH_VLAN) &&
            (action_flags & MLX5_FLOW_ACTION_PORT_ID) &&
-           ((struct priv *)port_id_dev->data->dev_private)->representor)
+           ((struct mlx5_priv *)port_id_dev->data->dev_private)->representor)
                return rte_flow_error_set(error, ENOTSUP,
                                          RTE_FLOW_ERROR_TYPE_ACTION, actions,
                                          "vlan push can only be applied"
@@ -2344,28 +2389,20 @@ flow_tcf_validate(struct rte_eth_dev *dev,
                                                  "no ethernet found in"
                                                  " pattern");
        }
-       if (action_flags & MLX5_FLOW_ACTION_VXLAN_DECAP) {
-               if (!(item_flags &
-                    (MLX5_FLOW_LAYER_OUTER_L3_IPV4 |
-                     MLX5_FLOW_LAYER_OUTER_L3_IPV6)))
-                       return rte_flow_error_set(error, EINVAL,
-                                                 RTE_FLOW_ERROR_TYPE_ACTION,
-                                                 NULL,
-                                                 "no outer IP pattern found"
-                                                 " for vxlan decap action");
-               if (!(item_flags & MLX5_FLOW_LAYER_OUTER_L4_UDP))
-                       return rte_flow_error_set(error, EINVAL,
-                                                 RTE_FLOW_ERROR_TYPE_ACTION,
-                                                 NULL,
-                                                 "no outer UDP pattern found"
-                                                 " for vxlan decap action");
-               if (!(item_flags & MLX5_FLOW_LAYER_VXLAN))
-                       return rte_flow_error_set(error, EINVAL,
-                                                 RTE_FLOW_ERROR_TYPE_ACTION,
-                                                 NULL,
-                                                 "no VNI pattern found"
-                                                 " for vxlan decap action");
-       }
+       if ((action_flags & MLX5_FLOW_ACTION_VXLAN_DECAP) &&
+           !(item_flags & MLX5_FLOW_LAYER_VXLAN))
+               return rte_flow_error_set(error, EINVAL,
+                                         RTE_FLOW_ERROR_TYPE_ACTION,
+                                         NULL,
+                                         "no VNI pattern found"
+                                         " for vxlan decap action");
+       if ((action_flags & MLX5_FLOW_ACTION_VXLAN_ENCAP) &&
+           (item_flags & MLX5_FLOW_LAYER_TUNNEL))
+               return rte_flow_error_set(error, EINVAL,
+                                         RTE_FLOW_ERROR_TYPE_ACTION,
+                                         NULL,
+                                         "vxlan encap not supported"
+                                         " for tunneled traffic");
        return 0;
 }
 
@@ -2376,17 +2413,21 @@ flow_tcf_validate(struct rte_eth_dev *dev,
  *   Pointer to the flow attributes.
  * @param[in] items
  *   Pointer to the list of items.
+ * @param[out] action_flags
+ *   Pointer to the detected actions.
  *
  * @return
  *   Maximum size of memory for items.
  */
 static int
 flow_tcf_get_items_size(const struct rte_flow_attr *attr,
-                       const struct rte_flow_item items[])
+                       const struct rte_flow_item items[],
+                       uint64_t *action_flags)
 {
        int size = 0;
 
        size += SZ_NLATTR_STRZ_OF("flower") +
+               SZ_NLATTR_TYPE_OF(uint16_t) + /* Outer ether type. */
                SZ_NLATTR_NEST + /* TCA_OPTIONS. */
                SZ_NLATTR_TYPE_OF(uint32_t); /* TCA_CLS_FLAGS_SKIP_SW. */
        if (attr->group > 0)
@@ -2398,26 +2439,22 @@ flow_tcf_get_items_size(const struct rte_flow_attr *attr,
                case RTE_FLOW_ITEM_TYPE_PORT_ID:
                        break;
                case RTE_FLOW_ITEM_TYPE_ETH:
-                       size += SZ_NLATTR_TYPE_OF(uint16_t) + /* Ether type. */
-                               SZ_NLATTR_DATA_OF(ETHER_ADDR_LEN) * 4;
+                       size += SZ_NLATTR_DATA_OF(ETHER_ADDR_LEN) * 4;
                                /* dst/src MAC addr and mask. */
                        break;
                case RTE_FLOW_ITEM_TYPE_VLAN:
-                       size += SZ_NLATTR_TYPE_OF(uint16_t) + /* Ether type. */
-                               SZ_NLATTR_TYPE_OF(uint16_t) +
+                       size += SZ_NLATTR_TYPE_OF(uint16_t) +
                                /* VLAN Ether type. */
                                SZ_NLATTR_TYPE_OF(uint8_t) + /* VLAN prio. */
                                SZ_NLATTR_TYPE_OF(uint16_t); /* VLAN ID. */
                        break;
                case RTE_FLOW_ITEM_TYPE_IPV4:
-                       size += SZ_NLATTR_TYPE_OF(uint16_t) + /* Ether type. */
-                               SZ_NLATTR_TYPE_OF(uint8_t) + /* IP proto. */
+                       size += SZ_NLATTR_TYPE_OF(uint8_t) + /* IP proto. */
                                SZ_NLATTR_TYPE_OF(uint32_t) * 4;
                                /* dst/src IP addr and mask. */
                        break;
                case RTE_FLOW_ITEM_TYPE_IPV6:
-                       size += SZ_NLATTR_TYPE_OF(uint16_t) + /* Ether type. */
-                               SZ_NLATTR_TYPE_OF(uint8_t) + /* IP proto. */
+                       size += SZ_NLATTR_TYPE_OF(uint8_t) + /* IP proto. */
                                SZ_NLATTR_DATA_OF(IPV6_ADDR_LEN) * 4;
                                /* dst/src IP addr and mask. */
                        break;
@@ -2433,6 +2470,16 @@ flow_tcf_get_items_size(const struct rte_flow_attr *attr,
                        break;
                case RTE_FLOW_ITEM_TYPE_VXLAN:
                        size += SZ_NLATTR_TYPE_OF(uint32_t);
+                       /*
+                        * There might be no VXLAN decap action in the action
+                        * list, nonetheless the VXLAN tunnel flow requires
+                        * the decap structure to be correctly applied to
+                        * VXLAN device, set the flag to create the structure.
+                        * Translation routine will not put the decap action
+                        * in tne Netlink message if there is no actual action
+                        * in the list.
+                        */
+                       *action_flags |= MLX5_FLOW_ACTION_VXLAN_DECAP;
                        break;
                default:
                        DRV_LOG(WARNING,
@@ -2525,7 +2572,7 @@ flow_tcf_get_actions_and_size(const struct rte_flow_action actions[],
                              uint64_t *action_flags)
 {
        int size = 0;
-       uint64_t flags = 0;
+       uint64_t flags = *action_flags;
 
        size += SZ_NLATTR_NEST; /* TCA_FLOWER_ACT. */
        for (; actions->type != RTE_FLOW_ACTION_TYPE_END; actions++) {
@@ -2625,27 +2672,6 @@ action_of_vlan:
        return size;
 }
 
-/**
- * Brand rtnetlink buffer with unique handle.
- *
- * This handle should be unique for a given network interface to avoid
- * collisions.
- *
- * @param nlh
- *   Pointer to Netlink message.
- * @param handle
- *   Unique 32-bit handle to use.
- */
-static void
-flow_tcf_nl_brand(struct nlmsghdr *nlh, uint32_t handle)
-{
-       struct tcmsg *tcm = mnl_nlmsg_get_payload(nlh);
-
-       tcm->tcm_handle = handle;
-       DRV_LOG(DEBUG, "Netlink msg %p is branded with handle %x",
-               (void *)nlh, handle);
-}
-
 /**
  * Prepare a flow object for Linux TC flower. It calculates the maximum size of
  * memory required, allocates the memory, initializes Netlink message headers
@@ -2662,7 +2688,7 @@ flow_tcf_nl_brand(struct nlmsghdr *nlh, uint32_t handle)
  *
  * @return
  *   Pointer to mlx5_flow object on success,
- *   otherwise NULL and rte_ernno is set.
+ *   otherwise NULL and rte_errno is set.
  */
 static struct mlx5_flow *
 flow_tcf_prepare(const struct rte_flow_attr *attr,
@@ -2681,7 +2707,7 @@ flow_tcf_prepare(const struct rte_flow_attr *attr,
        struct tcmsg *tcm;
        uint8_t *sp, *tun = NULL;
 
-       size += flow_tcf_get_items_size(attr, items);
+       size += flow_tcf_get_items_size(attr, items, &action_flags);
        size += flow_tcf_get_actions_and_size(actions, &action_flags);
        dev_flow = rte_zmalloc(__func__, size, MNL_ALIGNTO);
        if (!dev_flow) {
@@ -2736,20 +2762,6 @@ flow_tcf_prepare(const struct rte_flow_attr *attr,
                dev_flow->tcf.tunnel->type = FLOW_TCF_TUNACT_VXLAN_DECAP;
        else if (action_flags & MLX5_FLOW_ACTION_VXLAN_ENCAP)
                dev_flow->tcf.tunnel->type = FLOW_TCF_TUNACT_VXLAN_ENCAP;
-       /*
-        * Generate a reasonably unique handle based on the address of the
-        * target buffer.
-        *
-        * This is straightforward on 32-bit systems where the flow pointer can
-        * be used directly. Otherwise, its least significant part is taken
-        * after shifting it by the previous power of two of the pointed buffer
-        * size.
-        */
-       if (sizeof(dev_flow) <= 4)
-               flow_tcf_nl_brand(nlh, (uintptr_t)dev_flow);
-       else
-               flow_tcf_nl_brand(nlh, (uintptr_t)dev_flow >>
-                                      rte_log2_u32(rte_align32prevpow2(size)));
        return dev_flow;
 }
 
@@ -3037,7 +3049,7 @@ flow_tcf_vxlan_encap_parse(const struct rte_flow_action *action,
  *   Pointer to the error structure.
  *
  * @return
- *   0 on success, a negative errno value otherwise and rte_ernno is set.
+ *   0 on success, a negative errno value otherwise and rte_errno is set.
  */
 static int
 flow_tcf_translate(struct rte_eth_dev *dev, struct mlx5_flow *dev_flow,
@@ -3081,10 +3093,11 @@ flow_tcf_translate(struct rte_eth_dev *dev, struct mlx5_flow *dev_flow,
        struct nlmsghdr *nlh = dev_flow->tcf.nlh;
        struct tcmsg *tcm = dev_flow->tcf.tcm;
        uint32_t na_act_index_cur;
-       bool eth_type_set = 0;
-       bool vlan_present = 0;
-       bool vlan_eth_type_set = 0;
+       rte_be16_t inner_etype = RTE_BE16(ETH_P_ALL);
+       rte_be16_t outer_etype = RTE_BE16(ETH_P_ALL);
+       rte_be16_t vlan_etype = RTE_BE16(ETH_P_ALL);
        bool ip_proto_set = 0;
+       bool tunnel_outer = 0;
        struct nlattr *na_flower;
        struct nlattr *na_flower_act;
        struct nlattr *na_vlan_id = NULL;
@@ -3098,6 +3111,7 @@ flow_tcf_translate(struct rte_eth_dev *dev, struct mlx5_flow *dev_flow,
                switch (dev_flow->tcf.tunnel->type) {
                case FLOW_TCF_TUNACT_VXLAN_DECAP:
                        decap.vxlan = dev_flow->tcf.vxlan_decap;
+                       tunnel_outer = 1;
                        break;
                case FLOW_TCF_TUNACT_VXLAN_ENCAP:
                        encap.vxlan = dev_flow->tcf.vxlan_encap;
@@ -3119,8 +3133,7 @@ flow_tcf_translate(struct rte_eth_dev *dev, struct mlx5_flow *dev_flow,
         * Priority cannot be zero to prevent the kernel from picking one
         * automatically.
         */
-       tcm->tcm_info = TC_H_MAKE((attr->priority + 1) << 16,
-                                 RTE_BE16(ETH_P_ALL));
+       tcm->tcm_info = TC_H_MAKE((attr->priority + 1) << 16, outer_etype);
        if (attr->group > 0)
                mnl_attr_put_u32(nlh, TCA_CHAIN, attr->group);
        mnl_attr_put_strz(nlh, TCA_KIND, "flower");
@@ -3152,7 +3165,7 @@ flow_tcf_translate(struct rte_eth_dev *dev, struct mlx5_flow *dev_flow,
                        tcm->tcm_ifindex = ptoi[i].ifindex;
                        break;
                case RTE_FLOW_ITEM_TYPE_ETH:
-                       item_flags |= (item_flags & MLX5_FLOW_LAYER_VXLAN) ?
+                       item_flags |= (item_flags & MLX5_FLOW_LAYER_TUNNEL) ?
                                      MLX5_FLOW_LAYER_INNER_L2 :
                                      MLX5_FLOW_LAYER_OUTER_L2;
                        mask.eth = flow_tcf_item_mask
@@ -3165,19 +3178,19 @@ flow_tcf_translate(struct rte_eth_dev *dev, struct mlx5_flow *dev_flow,
                        if (mask.eth == &flow_tcf_mask_empty.eth)
                                break;
                        spec.eth = items->spec;
-                       if (decap.vxlan &&
-                           !(item_flags & MLX5_FLOW_LAYER_VXLAN)) {
+                       if (mask.eth->type) {
+                               if (item_flags & MLX5_FLOW_LAYER_TUNNEL)
+                                       inner_etype = spec.eth->type;
+                               else
+                                       outer_etype = spec.eth->type;
+                       }
+                       if (tunnel_outer) {
                                DRV_LOG(WARNING,
-                                       "outer L2 addresses cannot be forced"
-                                       " for vxlan decapsulation, parameter"
-                                       " ignored");
+                                       "outer L2 addresses cannot be"
+                                       " forced is outer ones for tunnel,"
+                                       " parameter is ignored");
                                break;
                        }
-                       if (mask.eth->type) {
-                               mnl_attr_put_u16(nlh, TCA_FLOWER_KEY_ETH_TYPE,
-                                                spec.eth->type);
-                               eth_type_set = 1;
-                       }
                        if (!is_zero_ether_addr(&mask.eth->dst)) {
                                mnl_attr_put(nlh, TCA_FLOWER_KEY_ETH_DST,
                                             ETHER_ADDR_LEN,
@@ -3199,6 +3212,7 @@ flow_tcf_translate(struct rte_eth_dev *dev, struct mlx5_flow *dev_flow,
                case RTE_FLOW_ITEM_TYPE_VLAN:
                        assert(!encap.hdr);
                        assert(!decap.hdr);
+                       assert(!tunnel_outer);
                        item_flags |= MLX5_FLOW_LAYER_OUTER_VLAN;
                        mask.vlan = flow_tcf_item_mask
                                (items, &rte_flow_item_vlan_mask,
@@ -3207,20 +3221,14 @@ flow_tcf_translate(struct rte_eth_dev *dev, struct mlx5_flow *dev_flow,
                                 sizeof(flow_tcf_mask_supported.vlan),
                                 error);
                        assert(mask.vlan);
-                       if (!eth_type_set)
-                               mnl_attr_put_u16(nlh, TCA_FLOWER_KEY_ETH_TYPE,
-                                                RTE_BE16(ETH_P_8021Q));
-                       eth_type_set = 1;
-                       vlan_present = 1;
                        if (mask.vlan == &flow_tcf_mask_empty.vlan)
                                break;
                        spec.vlan = items->spec;
-                       if (mask.vlan->inner_type) {
-                               mnl_attr_put_u16(nlh,
-                                                TCA_FLOWER_KEY_VLAN_ETH_TYPE,
-                                                spec.vlan->inner_type);
-                               vlan_eth_type_set = 1;
-                       }
+                       assert(outer_etype == RTE_BE16(ETH_P_ALL) ||
+                              outer_etype == RTE_BE16(ETH_P_8021Q));
+                       outer_etype = RTE_BE16(ETH_P_8021Q);
+                       if (mask.vlan->inner_type)
+                               vlan_etype = spec.vlan->inner_type;
                        if (mask.vlan->tci & RTE_BE16(0xe000))
                                mnl_attr_put_u8(nlh, TCA_FLOWER_KEY_VLAN_PRIO,
                                                (rte_be_to_cpu_16
@@ -3233,7 +3241,9 @@ flow_tcf_translate(struct rte_eth_dev *dev, struct mlx5_flow *dev_flow,
                        assert(dev_flow->tcf.nlsize >= nlh->nlmsg_len);
                        break;
                case RTE_FLOW_ITEM_TYPE_IPV4:
-                       item_flags |= MLX5_FLOW_LAYER_OUTER_L3_IPV4;
+                       item_flags |= (item_flags & MLX5_FLOW_LAYER_TUNNEL) ?
+                                     MLX5_FLOW_LAYER_INNER_L3_IPV4 :
+                                     MLX5_FLOW_LAYER_OUTER_L3_IPV4;
                        mask.ipv4 = flow_tcf_item_mask
                                (items, &rte_flow_item_ipv4_mask,
                                 &flow_tcf_mask_supported.ipv4,
@@ -3241,56 +3251,83 @@ flow_tcf_translate(struct rte_eth_dev *dev, struct mlx5_flow *dev_flow,
                                 sizeof(flow_tcf_mask_supported.ipv4),
                                 error);
                        assert(mask.ipv4);
+                       if (item_flags & MLX5_FLOW_LAYER_TUNNEL) {
+                               assert(inner_etype == RTE_BE16(ETH_P_ALL) ||
+                                      inner_etype == RTE_BE16(ETH_P_IP));
+                               inner_etype = RTE_BE16(ETH_P_IP);
+                       } else if (outer_etype == RTE_BE16(ETH_P_8021Q)) {
+                               assert(vlan_etype == RTE_BE16(ETH_P_ALL) ||
+                                      vlan_etype == RTE_BE16(ETH_P_IP));
+                               vlan_etype = RTE_BE16(ETH_P_IP);
+                       } else {
+                               assert(outer_etype == RTE_BE16(ETH_P_ALL) ||
+                                      outer_etype == RTE_BE16(ETH_P_IP));
+                               outer_etype = RTE_BE16(ETH_P_IP);
+                       }
                        spec.ipv4 = items->spec;
-                       if (!decap.vxlan) {
-                               if (!eth_type_set && !vlan_eth_type_set)
-                                       mnl_attr_put_u16
-                                               (nlh,
-                                                vlan_present ?
-                                                TCA_FLOWER_KEY_VLAN_ETH_TYPE :
-                                                TCA_FLOWER_KEY_ETH_TYPE,
-                                                RTE_BE16(ETH_P_IP));
-                               eth_type_set = 1;
-                               vlan_eth_type_set = 1;
-                               if (mask.ipv4 == &flow_tcf_mask_empty.ipv4)
+                       if (!tunnel_outer && mask.ipv4->hdr.next_proto_id) {
+                               /*
+                                * No way to set IP protocol for outer tunnel
+                                * layers. Usually it is fixed, for example,
+                                * to UDP for VXLAN/GPE.
+                                */
+                               assert(spec.ipv4); /* Mask is not empty. */
+                               mnl_attr_put_u8(nlh, TCA_FLOWER_KEY_IP_PROTO,
+                                               spec.ipv4->hdr.next_proto_id);
+                               ip_proto_set = 1;
+                       }
+                       if (mask.ipv4 == &flow_tcf_mask_empty.ipv4 ||
+                            (!mask.ipv4->hdr.src_addr &&
+                             !mask.ipv4->hdr.dst_addr)) {
+                               if (!tunnel_outer)
                                        break;
-                               if (mask.ipv4->hdr.next_proto_id) {
-                                       mnl_attr_put_u8
-                                               (nlh, TCA_FLOWER_KEY_IP_PROTO,
-                                                spec.ipv4->hdr.next_proto_id);
-                                       ip_proto_set = 1;
-                               }
-                       } else {
-                               assert(mask.ipv4 != &flow_tcf_mask_empty.ipv4);
+                               /*
+                                * For tunnel outer we must set outer IP key
+                                * anyway, even if the specification/mask is
+                                * empty. There is no another way to tell
+                                * kernel about he outer layer protocol.
+                                */
+                               mnl_attr_put_u32
+                                       (nlh, TCA_FLOWER_KEY_ENC_IPV4_SRC,
+                                        mask.ipv4->hdr.src_addr);
+                               mnl_attr_put_u32
+                                       (nlh, TCA_FLOWER_KEY_ENC_IPV4_SRC_MASK,
+                                        mask.ipv4->hdr.src_addr);
+                               assert(dev_flow->tcf.nlsize >= nlh->nlmsg_len);
+                               break;
                        }
                        if (mask.ipv4->hdr.src_addr) {
                                mnl_attr_put_u32
-                                       (nlh, decap.vxlan ?
+                                       (nlh, tunnel_outer ?
                                         TCA_FLOWER_KEY_ENC_IPV4_SRC :
                                         TCA_FLOWER_KEY_IPV4_SRC,
                                         spec.ipv4->hdr.src_addr);
                                mnl_attr_put_u32
-                                       (nlh, decap.vxlan ?
+                                       (nlh, tunnel_outer ?
                                         TCA_FLOWER_KEY_ENC_IPV4_SRC_MASK :
                                         TCA_FLOWER_KEY_IPV4_SRC_MASK,
                                         mask.ipv4->hdr.src_addr);
                        }
                        if (mask.ipv4->hdr.dst_addr) {
                                mnl_attr_put_u32
-                                       (nlh, decap.vxlan ?
+                                       (nlh, tunnel_outer ?
                                         TCA_FLOWER_KEY_ENC_IPV4_DST :
                                         TCA_FLOWER_KEY_IPV4_DST,
                                         spec.ipv4->hdr.dst_addr);
                                mnl_attr_put_u32
-                                       (nlh, decap.vxlan ?
+                                       (nlh, tunnel_outer ?
                                         TCA_FLOWER_KEY_ENC_IPV4_DST_MASK :
                                         TCA_FLOWER_KEY_IPV4_DST_MASK,
                                         mask.ipv4->hdr.dst_addr);
                        }
                        assert(dev_flow->tcf.nlsize >= nlh->nlmsg_len);
                        break;
-               case RTE_FLOW_ITEM_TYPE_IPV6:
-                       item_flags |= MLX5_FLOW_LAYER_OUTER_L3_IPV6;
+               case RTE_FLOW_ITEM_TYPE_IPV6: {
+                       bool ipv6_src, ipv6_dst;
+
+                       item_flags |= (item_flags & MLX5_FLOW_LAYER_TUNNEL) ?
+                                     MLX5_FLOW_LAYER_INNER_L3_IPV6 :
+                                     MLX5_FLOW_LAYER_OUTER_L3_IPV6;
                        mask.ipv6 = flow_tcf_item_mask
                                (items, &rte_flow_item_ipv6_mask,
                                 &flow_tcf_mask_supported.ipv6,
@@ -3298,48 +3335,75 @@ flow_tcf_translate(struct rte_eth_dev *dev, struct mlx5_flow *dev_flow,
                                 sizeof(flow_tcf_mask_supported.ipv6),
                                 error);
                        assert(mask.ipv6);
+                       if (item_flags & MLX5_FLOW_LAYER_TUNNEL) {
+                               assert(inner_etype == RTE_BE16(ETH_P_ALL) ||
+                                      inner_etype == RTE_BE16(ETH_P_IPV6));
+                               inner_etype = RTE_BE16(ETH_P_IPV6);
+                       } else if (outer_etype == RTE_BE16(ETH_P_8021Q)) {
+                               assert(vlan_etype == RTE_BE16(ETH_P_ALL) ||
+                                      vlan_etype == RTE_BE16(ETH_P_IPV6));
+                               vlan_etype = RTE_BE16(ETH_P_IPV6);
+                       } else {
+                               assert(outer_etype == RTE_BE16(ETH_P_ALL) ||
+                                      outer_etype == RTE_BE16(ETH_P_IPV6));
+                               outer_etype = RTE_BE16(ETH_P_IPV6);
+                       }
                        spec.ipv6 = items->spec;
-                       if (!decap.vxlan) {
-                               if (!eth_type_set || !vlan_eth_type_set) {
-                                       mnl_attr_put_u16
-                                               (nlh,
-                                                vlan_present ?
-                                                TCA_FLOWER_KEY_VLAN_ETH_TYPE :
-                                                TCA_FLOWER_KEY_ETH_TYPE,
-                                                RTE_BE16(ETH_P_IPV6));
-                               }
-                               eth_type_set = 1;
-                               vlan_eth_type_set = 1;
-                               if (mask.ipv6 == &flow_tcf_mask_empty.ipv6)
+                       if (!tunnel_outer && mask.ipv6->hdr.proto) {
+                               /*
+                                * No way to set IP protocol for outer tunnel
+                                * layers. Usually it is fixed, for example,
+                                * to UDP for VXLAN/GPE.
+                                */
+                               assert(spec.ipv6); /* Mask is not empty. */
+                               mnl_attr_put_u8(nlh, TCA_FLOWER_KEY_IP_PROTO,
+                                               spec.ipv6->hdr.proto);
+                               ip_proto_set = 1;
+                       }
+                       ipv6_dst = !IN6_IS_ADDR_UNSPECIFIED
+                                               (mask.ipv6->hdr.dst_addr);
+                       ipv6_src = !IN6_IS_ADDR_UNSPECIFIED
+                                               (mask.ipv6->hdr.src_addr);
+                       if (mask.ipv6 == &flow_tcf_mask_empty.ipv6 ||
+                            (!ipv6_dst && !ipv6_src)) {
+                               if (!tunnel_outer)
                                        break;
-                               if (mask.ipv6->hdr.proto) {
-                                       mnl_attr_put_u8
-                                               (nlh, TCA_FLOWER_KEY_IP_PROTO,
-                                                spec.ipv6->hdr.proto);
-                                       ip_proto_set = 1;
-                               }
-                       } else {
-                               assert(mask.ipv6 != &flow_tcf_mask_empty.ipv6);
+                               /*
+                                * For tunnel outer we must set outer IP key
+                                * anyway, even if the specification/mask is
+                                * empty. There is no another way to tell
+                                * kernel about he outer layer protocol.
+                                */
+                               mnl_attr_put(nlh,
+                                            TCA_FLOWER_KEY_ENC_IPV6_SRC,
+                                            IPV6_ADDR_LEN,
+                                            mask.ipv6->hdr.src_addr);
+                               mnl_attr_put(nlh,
+                                            TCA_FLOWER_KEY_ENC_IPV6_SRC_MASK,
+                                            IPV6_ADDR_LEN,
+                                            mask.ipv6->hdr.src_addr);
+                               assert(dev_flow->tcf.nlsize >= nlh->nlmsg_len);
+                               break;
                        }
-                       if (!IN6_IS_ADDR_UNSPECIFIED(mask.ipv6->hdr.src_addr)) {
-                               mnl_attr_put(nlh, decap.vxlan ?
+                       if (ipv6_src) {
+                               mnl_attr_put(nlh, tunnel_outer ?
                                             TCA_FLOWER_KEY_ENC_IPV6_SRC :
                                             TCA_FLOWER_KEY_IPV6_SRC,
                                             IPV6_ADDR_LEN,
                                             spec.ipv6->hdr.src_addr);
-                               mnl_attr_put(nlh, decap.vxlan ?
+                               mnl_attr_put(nlh, tunnel_outer ?
                                             TCA_FLOWER_KEY_ENC_IPV6_SRC_MASK :
                                             TCA_FLOWER_KEY_IPV6_SRC_MASK,
                                             IPV6_ADDR_LEN,
                                             mask.ipv6->hdr.src_addr);
                        }
-                       if (!IN6_IS_ADDR_UNSPECIFIED(mask.ipv6->hdr.dst_addr)) {
-                               mnl_attr_put(nlh, decap.vxlan ?
+                       if (ipv6_dst) {
+                               mnl_attr_put(nlh, tunnel_outer ?
                                             TCA_FLOWER_KEY_ENC_IPV6_DST :
                                             TCA_FLOWER_KEY_IPV6_DST,
                                             IPV6_ADDR_LEN,
                                             spec.ipv6->hdr.dst_addr);
-                               mnl_attr_put(nlh, decap.vxlan ?
+                               mnl_attr_put(nlh, tunnel_outer ?
                                             TCA_FLOWER_KEY_ENC_IPV6_DST_MASK :
                                             TCA_FLOWER_KEY_IPV6_DST_MASK,
                                             IPV6_ADDR_LEN,
@@ -3347,8 +3411,11 @@ flow_tcf_translate(struct rte_eth_dev *dev, struct mlx5_flow *dev_flow,
                        }
                        assert(dev_flow->tcf.nlsize >= nlh->nlmsg_len);
                        break;
+               }
                case RTE_FLOW_ITEM_TYPE_UDP:
-                       item_flags |= MLX5_FLOW_LAYER_OUTER_L4_UDP;
+                       item_flags |= (item_flags & MLX5_FLOW_LAYER_TUNNEL) ?
+                                     MLX5_FLOW_LAYER_INNER_L4_UDP :
+                                     MLX5_FLOW_LAYER_OUTER_L4_UDP;
                        mask.udp = flow_tcf_item_mask
                                (items, &rte_flow_item_udp_mask,
                                 &flow_tcf_mask_supported.udp,
@@ -3357,7 +3424,7 @@ flow_tcf_translate(struct rte_eth_dev *dev, struct mlx5_flow *dev_flow,
                                 error);
                        assert(mask.udp);
                        spec.udp = items->spec;
-                       if (!decap.vxlan) {
+                       if (!tunnel_outer) {
                                if (!ip_proto_set)
                                        mnl_attr_put_u8
                                                (nlh, TCA_FLOWER_KEY_IP_PROTO,
@@ -3372,24 +3439,24 @@ flow_tcf_translate(struct rte_eth_dev *dev, struct mlx5_flow *dev_flow,
                        }
                        if (mask.udp->hdr.src_port) {
                                mnl_attr_put_u16
-                                       (nlh, decap.vxlan ?
+                                       (nlh, tunnel_outer ?
                                         TCA_FLOWER_KEY_ENC_UDP_SRC_PORT :
                                         TCA_FLOWER_KEY_UDP_SRC,
                                         spec.udp->hdr.src_port);
                                mnl_attr_put_u16
-                                       (nlh, decap.vxlan ?
+                                       (nlh, tunnel_outer ?
                                         TCA_FLOWER_KEY_ENC_UDP_SRC_PORT_MASK :
                                         TCA_FLOWER_KEY_UDP_SRC_MASK,
                                         mask.udp->hdr.src_port);
                        }
                        if (mask.udp->hdr.dst_port) {
                                mnl_attr_put_u16
-                                       (nlh, decap.vxlan ?
+                                       (nlh, tunnel_outer ?
                                         TCA_FLOWER_KEY_ENC_UDP_DST_PORT :
                                         TCA_FLOWER_KEY_UDP_DST,
                                         spec.udp->hdr.dst_port);
                                mnl_attr_put_u16
-                                       (nlh, decap.vxlan ?
+                                       (nlh, tunnel_outer ?
                                         TCA_FLOWER_KEY_ENC_UDP_DST_PORT_MASK :
                                         TCA_FLOWER_KEY_UDP_DST_MASK,
                                         mask.udp->hdr.dst_port);
@@ -3397,7 +3464,9 @@ flow_tcf_translate(struct rte_eth_dev *dev, struct mlx5_flow *dev_flow,
                        assert(dev_flow->tcf.nlsize >= nlh->nlmsg_len);
                        break;
                case RTE_FLOW_ITEM_TYPE_TCP:
-                       item_flags |= MLX5_FLOW_LAYER_OUTER_L4_TCP;
+                       item_flags |= (item_flags & MLX5_FLOW_LAYER_TUNNEL) ?
+                                     MLX5_FLOW_LAYER_INNER_L4_TCP :
+                                     MLX5_FLOW_LAYER_OUTER_L4_TCP;
                        mask.tcp = flow_tcf_item_mask
                                (items, &rte_flow_item_tcp_mask,
                                 &flow_tcf_mask_supported.tcp,
@@ -3441,6 +3510,7 @@ flow_tcf_translate(struct rte_eth_dev *dev, struct mlx5_flow *dev_flow,
                        break;
                case RTE_FLOW_ITEM_TYPE_VXLAN:
                        assert(decap.vxlan);
+                       tunnel_outer = 0;
                        item_flags |= MLX5_FLOW_LAYER_VXLAN;
                        spec.vxlan = items->spec;
                        mnl_attr_put_u32(nlh,
@@ -3454,6 +3524,34 @@ flow_tcf_translate(struct rte_eth_dev *dev, struct mlx5_flow *dev_flow,
                                                  NULL, "item not supported");
                }
        }
+       /*
+        * Set the ether_type flower key and tc rule protocol:
+        * - if there is nor VLAN neither VXLAN the key is taken from
+        *   eth item directly or deduced from L3 items.
+        * - if there is vlan item then key is fixed to 802.1q.
+        * - if there is vxlan item then key is set to inner tunnel type.
+        * - simultaneous vlan and vxlan items are prohibited.
+        */
+       if (outer_etype != RTE_BE16(ETH_P_ALL)) {
+               tcm->tcm_info = TC_H_MAKE((attr->priority + 1) << 16,
+                                          outer_etype);
+               if (item_flags & MLX5_FLOW_LAYER_TUNNEL) {
+                       if (inner_etype != RTE_BE16(ETH_P_ALL))
+                               mnl_attr_put_u16(nlh,
+                                                TCA_FLOWER_KEY_ETH_TYPE,
+                                                inner_etype);
+               } else {
+                       mnl_attr_put_u16(nlh,
+                                        TCA_FLOWER_KEY_ETH_TYPE,
+                                        outer_etype);
+                       if (outer_etype == RTE_BE16(ETH_P_8021Q) &&
+                           vlan_etype != RTE_BE16(ETH_P_ALL))
+                               mnl_attr_put_u16(nlh,
+                                                TCA_FLOWER_KEY_VLAN_ETH_TYPE,
+                                                vlan_etype);
+               }
+               assert(dev_flow->tcf.nlsize >= nlh->nlmsg_len);
+       }
        na_flower_act = mnl_attr_nest_start(nlh, TCA_FLOWER_ACT);
        na_act_index_cur = 1;
        for (; actions->type != RTE_FLOW_ACTION_TYPE_END; actions++) {
@@ -3487,6 +3585,10 @@ flow_tcf_translate(struct rte_eth_dev *dev, struct mlx5_flow *dev_flow,
                                        mnl_attr_get_payload
                                        (mnl_nlmsg_get_payload_tail
                                                (nlh)))->ifindex;
+                       } else if (decap.hdr) {
+                               assert(dev_flow->tcf.tunnel);
+                               dev_flow->tcf.tunnel->ifindex_ptr =
+                                       (unsigned int *)&tcm->tcm_ifindex;
                        }
                        mnl_attr_put(nlh, TCA_MIRRED_PARMS,
                                     sizeof(struct tc_mirred),
@@ -3699,6 +3801,8 @@ override_na_vlan_priority:
        assert(na_flower);
        assert(na_flower_act);
        mnl_attr_nest_end(nlh, na_flower_act);
+       dev_flow->tcf.ptc_flags = mnl_attr_get_payload
+                                       (mnl_nlmsg_get_payload_tail(nlh));
        mnl_attr_put_u32(nlh, TCA_FLOWER_FLAGS, decap.vxlan ?
                                                0 : TCA_CLS_FLAGS_SKIP_SW);
        mnl_attr_nest_end(nlh, na_flower);
@@ -3717,10 +3821,6 @@ override_na_vlan_priority:
  * @param nlh
  *   Message to send. This function always raises the NLM_F_ACK flag before
  *   sending.
- * @param[in] msglen
- *   Message length. Message buffer may contain multiple commands and
- *   nlmsg_len field not always corresponds to actual message length.
- *   If 0 specified the nlmsg_len field in header is used as message length.
  * @param[in] cb
  *   Callback handler for received message.
  * @param[in] arg
@@ -3732,52 +3832,64 @@ override_na_vlan_priority:
 static int
 flow_tcf_nl_ack(struct mlx5_flow_tcf_context *tcf,
                struct nlmsghdr *nlh,
-               uint32_t msglen,
                mnl_cb_t cb, void *arg)
 {
        unsigned int portid = mnl_socket_get_portid(tcf->nl);
        uint32_t seq = tcf->seq++;
-       int err, ret;
+       int ret, err = 0;
 
        assert(tcf->nl);
        assert(tcf->buf);
-       if (!seq)
+       if (!seq) {
                /* seq 0 is reserved for kernel event-driven notifications. */
                seq = tcf->seq++;
+       }
        nlh->nlmsg_seq = seq;
-       if (!msglen) {
-               msglen = nlh->nlmsg_len;
-               nlh->nlmsg_flags |= NLM_F_ACK;
+       nlh->nlmsg_flags |= NLM_F_ACK;
+       ret = mnl_socket_sendto(tcf->nl, nlh, nlh->nlmsg_len);
+       if (ret <= 0) {
+               /* Message send error occurres. */
+               rte_errno = errno;
+               return -rte_errno;
        }
-       ret = mnl_socket_sendto(tcf->nl, nlh, msglen);
-       err = (ret <= 0) ? errno : 0;
        nlh = (struct nlmsghdr *)(tcf->buf);
        /*
         * The following loop postpones non-fatal errors until multipart
         * messages are complete.
         */
-       if (ret > 0)
-               while (true) {
-                       ret = mnl_socket_recvfrom(tcf->nl, tcf->buf,
-                                                 tcf->buf_size);
+       while (true) {
+               ret = mnl_socket_recvfrom(tcf->nl, tcf->buf, tcf->buf_size);
+               if (ret < 0) {
+                       err = errno;
+                       /*
+                        * In case of overflow Will receive till
+                        * end of multipart message. We may lost part
+                        * of reply messages but mark and return an error.
+                        */
+                       if (err != ENOSPC ||
+                           !(nlh->nlmsg_flags & NLM_F_MULTI) ||
+                           nlh->nlmsg_type == NLMSG_DONE)
+                               break;
+               } else {
+                       ret = mnl_cb_run(nlh, ret, seq, portid, cb, arg);
+                       if (!ret) {
+                               /*
+                                * libmnl returns 0 if DONE or
+                                * success ACK message found.
+                                */
+                               break;
+                       }
                        if (ret < 0) {
+                               /*
+                                * ACK message with error found
+                                * or some error occurred.
+                                */
                                err = errno;
-                               if (err != ENOSPC)
-                                       break;
-                       }
-                       if (!err) {
-                               ret = mnl_cb_run(nlh, ret, seq, portid,
-                                                cb, arg);
-                               if (ret < 0) {
-                                       err = errno;
-                                       break;
-                               }
-                       }
-                       /* Will receive till end of multipart message */
-                       if (!(nlh->nlmsg_flags & NLM_F_MULTI) ||
-                             nlh->nlmsg_type == NLMSG_DONE)
                                break;
+                       }
+                       /* We should continue receiving. */
                }
+       }
        if (!err)
                return 0;
        rte_errno = err;
@@ -3886,7 +3998,7 @@ flow_tcf_send_nlcmd(struct mlx5_flow_tcf_context *tcf,
                        nlh = (struct nlmsghdr *)&bc->msg[msg];
                        assert((bc->size - msg) >= nlh->nlmsg_len);
                        msg += nlh->nlmsg_len;
-                       rc = flow_tcf_nl_ack(tcf, nlh, 0, NULL, NULL);
+                       rc = flow_tcf_nl_ack(tcf, nlh, NULL, NULL);
                        if (rc) {
                                DRV_LOG(WARNING,
                                        "netlink: cleanup error %d", rc);
@@ -4019,7 +4131,7 @@ flow_tcf_encap_local_cleanup(struct mlx5_flow_tcf_context *tcf,
        ifa->ifa_family = AF_UNSPEC;
        ifa->ifa_index = ifindex;
        ifa->ifa_scope = RT_SCOPE_LINK;
-       ret = flow_tcf_nl_ack(tcf, nlh, 0, flow_tcf_collect_local_cb, &ctx);
+       ret = flow_tcf_nl_ack(tcf, nlh, flow_tcf_collect_local_cb, &ctx);
        if (ret)
                DRV_LOG(WARNING, "netlink: query device list error %d", ret);
        ret = flow_tcf_send_nlcmd(tcf, &ctx);
@@ -4140,7 +4252,7 @@ flow_tcf_encap_neigh_cleanup(struct mlx5_flow_tcf_context *tcf,
        ndm->ndm_family = AF_UNSPEC;
        ndm->ndm_ifindex = ifindex;
        ndm->ndm_state = NUD_PERMANENT;
-       ret = flow_tcf_nl_ack(tcf, nlh, 0, flow_tcf_collect_neigh_cb, &ctx);
+       ret = flow_tcf_nl_ack(tcf, nlh, flow_tcf_collect_neigh_cb, &ctx);
        if (ret)
                DRV_LOG(WARNING, "netlink: query device list error %d", ret);
        ret = flow_tcf_send_nlcmd(tcf, &ctx);
@@ -4238,8 +4350,8 @@ flow_tcf_collect_vxlan_cb(const struct nlmsghdr *nlh, void *arg)
 
 /**
  * Cleanup the outer interface. Removes all found vxlan devices
- * attached to specified index, flushes the meigh and local IP
- * datavase.
+ * attached to specified index, flushes the neigh and local IP
+ * database.
  *
  * @param[in] tcf
  *   Context object initialized by mlx5_flow_tcf_context_create().
@@ -4269,7 +4381,7 @@ flow_tcf_encap_iface_cleanup(struct mlx5_flow_tcf_context *tcf,
        nlh->nlmsg_flags = NLM_F_REQUEST | NLM_F_DUMP;
        ifm = mnl_nlmsg_put_extra_header(nlh, sizeof(*ifm));
        ifm->ifi_family = AF_UNSPEC;
-       ret = flow_tcf_nl_ack(tcf, nlh, 0, flow_tcf_collect_vxlan_cb, &ctx);
+       ret = flow_tcf_nl_ack(tcf, nlh, flow_tcf_collect_vxlan_cb, &ctx);
        if (ret)
                DRV_LOG(WARNING, "netlink: query device list error %d", ret);
        ret = flow_tcf_send_nlcmd(tcf, &ctx);
@@ -4341,7 +4453,7 @@ flow_tcf_rule_local(struct mlx5_flow_tcf_context *tcf,
                                          sizeof(encap->ipv6.dst),
                                          &encap->ipv6.dst);
        }
-       if (!flow_tcf_nl_ack(tcf, nlh, 0, NULL, NULL))
+       if (!flow_tcf_nl_ack(tcf, nlh, NULL, NULL))
                return 0;
        return rte_flow_error_set(error, rte_errno,
                                  RTE_FLOW_ERROR_TYPE_UNSPECIFIED, NULL,
@@ -4404,7 +4516,7 @@ flow_tcf_rule_neigh(struct mlx5_flow_tcf_context *tcf,
        if (encap->mask & FLOW_TCF_ENCAP_ETH_DST)
                mnl_attr_put(nlh, NDA_LLADDR, sizeof(encap->eth.dst),
                                                    &encap->eth.dst);
-       if (!flow_tcf_nl_ack(tcf, nlh, 0, NULL, NULL))
+       if (!flow_tcf_nl_ack(tcf, nlh, NULL, NULL))
                return 0;
        return rte_flow_error_set(error, rte_errno,
                                  RTE_FLOW_ERROR_TYPE_UNSPECIFIED, NULL,
@@ -4679,7 +4791,7 @@ flow_tcf_vtep_delete(struct mlx5_flow_tcf_context *tcf,
                ifm->ifi_family = AF_UNSPEC;
                ifm->ifi_index = vtep->ifindex;
                assert(sizeof(buf) >= nlh->nlmsg_len);
-               ret = flow_tcf_nl_ack(tcf, nlh, 0, NULL, NULL);
+               ret = flow_tcf_nl_ack(tcf, nlh, NULL, NULL);
                if (ret)
                        DRV_LOG(WARNING, "netlink: error deleting vxlan"
                                         " encap/decap ifindex %u",
@@ -4769,7 +4881,7 @@ flow_tcf_vtep_create(struct mlx5_flow_tcf_context *tcf,
        mnl_attr_nest_end(nlh, na_vxlan);
        mnl_attr_nest_end(nlh, na_info);
        assert(sizeof(buf) >= nlh->nlmsg_len);
-       ret = flow_tcf_nl_ack(tcf, nlh, 0, NULL, NULL);
+       ret = flow_tcf_nl_ack(tcf, nlh, NULL, NULL);
        if (ret) {
                DRV_LOG(WARNING,
                        "netlink: VTEP %s create failure (%d)",
@@ -4787,6 +4899,7 @@ flow_tcf_vtep_create(struct mlx5_flow_tcf_context *tcf,
                 * when we do not need it anymore.
                 */
                vtep->created = 1;
+               vtep->waitreg = 1;
        }
        /* Try to get ifindex of created of pre-existing device. */
        ret = if_nametoindex(name);
@@ -4811,7 +4924,7 @@ flow_tcf_vtep_create(struct mlx5_flow_tcf_context *tcf,
        ifm->ifi_index = vtep->ifindex;
        ifm->ifi_flags = IFF_UP;
        ifm->ifi_change = IFF_UP;
-       ret = flow_tcf_nl_ack(tcf, nlh, 0, NULL, NULL);
+       ret = flow_tcf_nl_ack(tcf, nlh, NULL, NULL);
        if (ret) {
                rte_flow_error_set(error, -errno,
                                   RTE_FLOW_ERROR_TYPE_UNSPECIFIED, NULL,
@@ -5069,7 +5182,217 @@ flow_tcf_vtep_release(struct mlx5_flow_tcf_context *tcf,
        pthread_mutex_unlock(&vtep_list_mutex);
 }
 
+struct tcf_nlcb_query {
+       uint32_t handle;
+       uint32_t tc_flags;
+       uint32_t flags_valid:1;
+};
 
+/**
+ * Collect queried rule attributes. This is callback routine called by
+ * libmnl mnl_cb_run() in loop for every message in received packet.
+ * Current implementation collects the flower flags only.
+ *
+ * @param[in] nlh
+ *   Pointer to reply header.
+ * @param[in, out] arg
+ *   Context pointer for this callback.
+ *
+ * @return
+ *   A positive, nonzero value on success (required by libmnl
+ *   to continue messages processing).
+ */
+static int
+flow_tcf_collect_query_cb(const struct nlmsghdr *nlh, void *arg)
+{
+       struct tcf_nlcb_query *query = arg;
+       struct tcmsg *tcm = mnl_nlmsg_get_payload(nlh);
+       struct nlattr *na, *na_opt;
+       bool flower = false;
+
+       if (nlh->nlmsg_type != RTM_NEWTFILTER ||
+           tcm->tcm_handle != query->handle)
+               return 1;
+       mnl_attr_for_each(na, nlh, sizeof(*tcm)) {
+               switch (mnl_attr_get_type(na)) {
+               case TCA_KIND:
+                       if (strcmp(mnl_attr_get_payload(na), "flower")) {
+                               /* Not flower filter, drop entire message. */
+                               return 1;
+                       }
+                       flower = true;
+                       break;
+               case TCA_OPTIONS:
+                       if (!flower) {
+                               /* Not flower options, drop entire message. */
+                               return 1;
+                       }
+                       /* Check nested flower options. */
+                       mnl_attr_for_each_nested(na_opt, na) {
+                               switch (mnl_attr_get_type(na_opt)) {
+                               case TCA_FLOWER_FLAGS:
+                                       query->flags_valid = 1;
+                                       query->tc_flags =
+                                               mnl_attr_get_u32(na_opt);
+                                       break;
+                               }
+                       }
+                       break;
+               }
+       }
+       return 1;
+}
+
+/**
+ * Query a TC flower rule flags via netlink.
+ *
+ * @param[in] tcf
+ *   Context object initialized by mlx5_flow_tcf_context_create().
+ * @param[in] dev_flow
+ *   Pointer to the flow.
+ * @param[out] pflags
+ *   pointer to the data retrieved by the query.
+ *
+ * @return
+ *   0 on success, a negative errno value otherwise.
+ */
+static int
+flow_tcf_query_flags(struct mlx5_flow_tcf_context *tcf,
+                    struct mlx5_flow *dev_flow,
+                    uint32_t *pflags)
+{
+       struct nlmsghdr *nlh;
+       struct tcmsg *tcm;
+       struct tcf_nlcb_query query = {
+               .handle = dev_flow->tcf.tcm->tcm_handle,
+       };
+
+       nlh = mnl_nlmsg_put_header(tcf->buf);
+       nlh->nlmsg_type = RTM_GETTFILTER;
+       nlh->nlmsg_flags = NLM_F_REQUEST;
+       tcm = mnl_nlmsg_put_extra_header(nlh, sizeof(*tcm));
+       memcpy(tcm, dev_flow->tcf.tcm, sizeof(*tcm));
+       /*
+        * Ignore Netlink error for filter query operations.
+        * The reply length is sent by kernel as errno.
+        * Just check we got the flags option.
+        */
+       flow_tcf_nl_ack(tcf, nlh, flow_tcf_collect_query_cb, &query);
+       if (!query.flags_valid) {
+               *pflags = 0;
+               return -ENOENT;
+       }
+       *pflags = query.tc_flags;
+       return 0;
+}
+
+/**
+ * Query and check the in_hw set for specified rule.
+ *
+ * @param[in] tcf
+ *   Context object initialized by mlx5_flow_tcf_context_create().
+ * @param[in] dev_flow
+ *   Pointer to the flow to check.
+ *
+ * @return
+ *   0 on success, a negative errno value otherwise.
+ */
+static int
+flow_tcf_check_inhw(struct mlx5_flow_tcf_context *tcf,
+                   struct mlx5_flow *dev_flow)
+{
+       uint32_t flags;
+       int ret;
+
+       ret = flow_tcf_query_flags(tcf, dev_flow, &flags);
+       if (ret)
+               return ret;
+       return  (flags & TCA_CLS_FLAGS_IN_HW) ? 0 : -ENOENT;
+}
+
+/**
+ * Remove flow from E-Switch by sending Netlink message.
+ *
+ * @param[in] dev
+ *   Pointer to Ethernet device.
+ * @param[in, out] flow
+ *   Pointer to the sub flow.
+ */
+static void
+flow_tcf_remove(struct rte_eth_dev *dev, struct rte_flow *flow)
+{
+       struct mlx5_priv *priv = dev->data->dev_private;
+       struct mlx5_flow_tcf_context *ctx = priv->tcf_context;
+       struct mlx5_flow *dev_flow;
+       struct nlmsghdr *nlh;
+       struct tcmsg *tcm;
+
+       if (!flow)
+               return;
+       dev_flow = LIST_FIRST(&flow->dev_flows);
+       if (!dev_flow)
+               return;
+       /* E-Switch flow can't be expanded. */
+       assert(!LIST_NEXT(dev_flow, next));
+       if (dev_flow->tcf.applied) {
+               nlh = dev_flow->tcf.nlh;
+               nlh->nlmsg_type = RTM_DELTFILTER;
+               nlh->nlmsg_flags = NLM_F_REQUEST;
+               flow_tcf_nl_ack(ctx, nlh, NULL, NULL);
+               if (dev_flow->tcf.tunnel) {
+                       assert(dev_flow->tcf.tunnel->vtep);
+                       flow_tcf_vtep_release(ctx,
+                               dev_flow->tcf.tunnel->vtep,
+                               dev_flow);
+                       dev_flow->tcf.tunnel->vtep = NULL;
+               }
+               /* Cleanup the rule handle value. */
+               tcm = mnl_nlmsg_get_payload(nlh);
+               tcm->tcm_handle = 0;
+               dev_flow->tcf.applied = 0;
+       }
+}
+
+/**
+ * Fetch the applied rule handle. This is callback routine called by
+ * libmnl mnl_cb_run() in loop for every message in received packet.
+ * When the NLM_F_ECHO flag i sspecified the kernel sends the created
+ * rule descriptor back to the application and we can retrieve the
+ * actual rule handle from updated descriptor.
+ *
+ * @param[in] nlh
+ *   Pointer to reply header.
+ * @param[in, out] arg
+ *   Context pointer for this callback.
+ *
+ * @return
+ *   A positive, nonzero value on success (required by libmnl
+ *   to continue messages processing).
+ */
+static int
+flow_tcf_collect_apply_cb(const struct nlmsghdr *nlh, void *arg)
+{
+       struct nlmsghdr *nlhrq = arg;
+       struct tcmsg *tcmrq = mnl_nlmsg_get_payload(nlhrq);
+       struct tcmsg *tcm = mnl_nlmsg_get_payload(nlh);
+       struct nlattr *na;
+
+       if (nlh->nlmsg_type != RTM_NEWTFILTER ||
+           nlh->nlmsg_seq != nlhrq->nlmsg_seq)
+               return 1;
+       mnl_attr_for_each(na, nlh, sizeof(*tcm)) {
+               switch (mnl_attr_get_type(na)) {
+               case TCA_KIND:
+                       if (strcmp(mnl_attr_get_payload(na), "flower")) {
+                               /* Not flower filter, drop entire message. */
+                               return 1;
+                       }
+                       tcmrq->tcm_handle = tcm->tcm_handle;
+                       return 1;
+               }
+       }
+       return 1;
+}
 /**
  * Apply flow to E-Switch by sending Netlink message.
  *
@@ -5081,16 +5404,20 @@ flow_tcf_vtep_release(struct mlx5_flow_tcf_context *tcf,
  *   Pointer to the error structure.
  *
  * @return
- *   0 on success, a negative errno value otherwise and rte_ernno is set.
+ *   0 on success, a negative errno value otherwise and rte_errno is set.
  */
 static int
 flow_tcf_apply(struct rte_eth_dev *dev, struct rte_flow *flow,
               struct rte_flow_error *error)
 {
-       struct priv *priv = dev->data->dev_private;
+       struct mlx5_priv *priv = dev->data->dev_private;
        struct mlx5_flow_tcf_context *ctx = priv->tcf_context;
        struct mlx5_flow *dev_flow;
        struct nlmsghdr *nlh;
+       struct tcmsg *tcm;
+       uint64_t start = 0;
+       uint64_t twait = 0;
+       int ret;
 
        dev_flow = LIST_FIRST(&flow->dev_flows);
        /* E-Switch flow can't be expanded. */
@@ -5099,7 +5426,11 @@ flow_tcf_apply(struct rte_eth_dev *dev, struct rte_flow *flow,
                return 0;
        nlh = dev_flow->tcf.nlh;
        nlh->nlmsg_type = RTM_NEWTFILTER;
-       nlh->nlmsg_flags = NLM_F_REQUEST | NLM_F_CREATE | NLM_F_EXCL;
+       nlh->nlmsg_flags = NLM_F_REQUEST | NLM_F_CREATE |
+                          NLM_F_EXCL | NLM_F_ECHO;
+       tcm = mnl_nlmsg_get_payload(nlh);
+       /* Allow kernel to assign handle on its own. */
+       tcm->tcm_handle = 0;
        if (dev_flow->tcf.tunnel) {
                /*
                 * Replace the interface index, target for
@@ -5119,9 +5450,67 @@ flow_tcf_apply(struct rte_eth_dev *dev, struct rte_flow *flow,
                                dev_flow->tcf.tunnel->ifindex_org);
                *dev_flow->tcf.tunnel->ifindex_ptr =
                        dev_flow->tcf.tunnel->vtep->ifindex;
+               if (dev_flow->tcf.tunnel->vtep->waitreg) {
+                       /* Clear wait flag for VXLAN port registration. */
+                       dev_flow->tcf.tunnel->vtep->waitreg = 0;
+                       twait = rte_get_timer_hz();
+                       assert(twait > MS_PER_S);
+                       twait = twait * MLX5_VXLAN_WAIT_PORT_REG_MS;
+                       twait = twait / MS_PER_S;
+                       start = rte_get_timer_cycles();
+               }
        }
-       if (!flow_tcf_nl_ack(ctx, nlh, 0, NULL, NULL)) {
+       /*
+        * Kernel creates the VXLAN devices and registers UDP ports to
+        * be hardware offloaded within the NIC kernel drivers. The
+        * registration process is being performed into context of
+        * working kernel thread and the race conditions might happen.
+        * The VXLAN device is created and success is returned to
+        * calling application, but the UDP port registration process
+        * is not completed yet. The next applied rule may be rejected
+        * by the driver with ENOSUP code. We are going to wait a bit,
+        * allowing registration process to be completed. The waiting
+        * is performed once after device been created.
+        */
+       do {
+               struct timespec onems;
+
+               ret = flow_tcf_nl_ack(ctx, nlh,
+                                     flow_tcf_collect_apply_cb, nlh);
+               if (!ret || ret != -ENOTSUP || !twait)
+                       break;
+               /* Wait one millisecond and try again till timeout. */
+               onems.tv_sec = 0;
+               onems.tv_nsec = NS_PER_S / MS_PER_S;
+               nanosleep(&onems, 0);
+               if ((rte_get_timer_cycles() - start) > twait) {
+                       /* Timeout elapsed, try once more and exit. */
+                       twait = 0;
+               }
+       } while (true);
+       if (!ret) {
+               if (!tcm->tcm_handle) {
+                       flow_tcf_remove(dev, flow);
+                       return rte_flow_error_set
+                               (error, ENOENT,
+                                RTE_FLOW_ERROR_TYPE_UNSPECIFIED, NULL,
+                                "netlink: rule zero handle returned");
+               }
                dev_flow->tcf.applied = 1;
+               if (*dev_flow->tcf.ptc_flags & TCA_CLS_FLAGS_SKIP_SW)
+                       return 0;
+               /*
+                * Rule was applied without skip_sw flag set.
+                * We should check whether the rule was acctually
+                * accepted by hardware (have look at in_hw flag).
+                */
+               if (flow_tcf_check_inhw(ctx, dev_flow)) {
+                       flow_tcf_remove(dev, flow);
+                       return rte_flow_error_set
+                               (error, ENOENT,
+                                RTE_FLOW_ERROR_TYPE_UNSPECIFIED, NULL,
+                                "netlink: rule has no in_hw flag set");
+               }
                return 0;
        }
        if (dev_flow->tcf.tunnel) {
@@ -5136,45 +5525,6 @@ flow_tcf_apply(struct rte_eth_dev *dev, struct rte_flow *flow,
                                  "netlink: failed to create TC flow rule");
 }
 
-/**
- * Remove flow from E-Switch by sending Netlink message.
- *
- * @param[in] dev
- *   Pointer to Ethernet device.
- * @param[in, out] flow
- *   Pointer to the sub flow.
- */
-static void
-flow_tcf_remove(struct rte_eth_dev *dev, struct rte_flow *flow)
-{
-       struct priv *priv = dev->data->dev_private;
-       struct mlx5_flow_tcf_context *ctx = priv->tcf_context;
-       struct mlx5_flow *dev_flow;
-       struct nlmsghdr *nlh;
-
-       if (!flow)
-               return;
-       dev_flow = LIST_FIRST(&flow->dev_flows);
-       if (!dev_flow)
-               return;
-       /* E-Switch flow can't be expanded. */
-       assert(!LIST_NEXT(dev_flow, next));
-       if (dev_flow->tcf.applied) {
-               nlh = dev_flow->tcf.nlh;
-               nlh->nlmsg_type = RTM_DELTFILTER;
-               nlh->nlmsg_flags = NLM_F_REQUEST;
-               flow_tcf_nl_ack(ctx, nlh, 0, NULL, NULL);
-               if (dev_flow->tcf.tunnel) {
-                       assert(dev_flow->tcf.tunnel->vtep);
-                       flow_tcf_vtep_release(ctx,
-                               dev_flow->tcf.tunnel->vtep,
-                               dev_flow);
-                       dev_flow->tcf.tunnel->vtep = NULL;
-               }
-               dev_flow->tcf.applied = 0;
-       }
-}
-
 /**
  * Remove flow from E-Switch and release resources of the device flow.
  *
@@ -5494,7 +5844,7 @@ flow_tcf_nl_filter_parse_and_get(struct nlmsghdr *cnlh,
  *   Message received from Netlink.
  * @param[out] data
  *   Pointer to data area to be filled by the parsing routine.
- *   assumed to be a pinter to struct flow_tcf_stats_basic.
+ *   assumed to be a pointer to struct flow_tcf_stats_basic.
  *
  * @return
  *   MNL_CB_OK value.
@@ -5542,9 +5892,9 @@ flow_tcf_query_count(struct rte_eth_dev *dev,
                          void *data,
                          struct rte_flow_error *error)
 {
-       struct flow_tcf_stats_basic sb_data = { 0 };
+       struct flow_tcf_stats_basic sb_data;
        struct rte_flow_query_count *qc = data;
-       struct priv *priv = dev->data->dev_private;
+       struct mlx5_priv *priv = dev->data->dev_private;
        struct mlx5_flow_tcf_context *ctx = priv->tcf_context;
        struct mnl_socket *nl = ctx->nl;
        struct mlx5_flow *dev_flow;
@@ -5553,6 +5903,7 @@ flow_tcf_query_count(struct rte_eth_dev *dev,
        ssize_t ret;
        assert(qc);
 
+       memset(&sb_data, 0, sizeof(sb_data));
        dev_flow = LIST_FIRST(&flow->dev_flows);
        /* E-Switch flow can't be expanded. */
        assert(!LIST_NEXT(dev_flow, next));
@@ -5714,7 +6065,7 @@ mlx5_flow_tcf_init(struct mlx5_flow_tcf_context *ctx,
        tcm->tcm_parent = TC_H_INGRESS;
        assert(sizeof(buf) >= nlh->nlmsg_len);
        /* Ignore errors when qdisc is already absent. */
-       if (flow_tcf_nl_ack(ctx, nlh, 0, NULL, NULL) &&
+       if (flow_tcf_nl_ack(ctx, nlh, NULL, NULL) &&
            rte_errno != EINVAL && rte_errno != ENOENT)
                return rte_flow_error_set(error, rte_errno,
                                          RTE_FLOW_ERROR_TYPE_UNSPECIFIED, NULL,
@@ -5731,7 +6082,7 @@ mlx5_flow_tcf_init(struct mlx5_flow_tcf_context *ctx,
        tcm->tcm_parent = TC_H_INGRESS;
        mnl_attr_put_strz_check(nlh, sizeof(buf), TCA_KIND, "ingress");
        assert(sizeof(buf) >= nlh->nlmsg_len);
-       if (flow_tcf_nl_ack(ctx, nlh, 0, NULL, NULL))
+       if (flow_tcf_nl_ack(ctx, nlh, NULL, NULL))
                return rte_flow_error_set(error, rte_errno,
                                          RTE_FLOW_ERROR_TYPE_UNSPECIFIED, NULL,
                                          "netlink: failed to create ingress"