net/mlx5: add Direct Verbs translate items
[dpdk.git] / drivers / net / mlx5 / mlx5_flow_dv.c
index 960d0eb..a49e627 100644 (file)
@@ -337,6 +337,781 @@ flow_dv_prepare(const struct rte_flow_attr *attr __rte_unused,
        return flow;
 }
 
+/**
+ * Add Ethernet item to matcher and to the value.
+ *
+ * @param[in, out] matcher
+ *   Flow matcher.
+ * @param[in, out] key
+ *   Flow matcher value.
+ * @param[in] item
+ *   Flow pattern to translate.
+ * @param[in] inner
+ *   Item is inner pattern.
+ */
+static void
+flow_dv_translate_item_eth(void *matcher, void *key,
+                          const struct rte_flow_item *item, int inner)
+{
+       const struct rte_flow_item_eth *eth_m = item->mask;
+       const struct rte_flow_item_eth *eth_v = item->spec;
+       const struct rte_flow_item_eth nic_mask = {
+               .dst.addr_bytes = "\xff\xff\xff\xff\xff\xff",
+               .src.addr_bytes = "\xff\xff\xff\xff\xff\xff",
+               .type = RTE_BE16(0xffff),
+       };
+       void *headers_m;
+       void *headers_v;
+       char *l24_v;
+       unsigned int i;
+
+       if (!eth_v)
+               return;
+       if (!eth_m)
+               eth_m = &nic_mask;
+       if (inner) {
+               headers_m = MLX5_ADDR_OF(fte_match_param, matcher,
+                                        inner_headers);
+               headers_v = MLX5_ADDR_OF(fte_match_param, key, inner_headers);
+       } else {
+               headers_m = MLX5_ADDR_OF(fte_match_param, matcher,
+                                        outer_headers);
+               headers_v = MLX5_ADDR_OF(fte_match_param, key, outer_headers);
+       }
+       memcpy(MLX5_ADDR_OF(fte_match_set_lyr_2_4, headers_m, dmac_47_16),
+              &eth_m->dst, sizeof(eth_m->dst));
+       /* The value must be in the range of the mask. */
+       l24_v = MLX5_ADDR_OF(fte_match_set_lyr_2_4, headers_v, dmac_47_16);
+       for (i = 0; i < sizeof(eth_m->dst); ++i)
+               l24_v[i] = eth_m->dst.addr_bytes[i] & eth_v->dst.addr_bytes[i];
+       memcpy(MLX5_ADDR_OF(fte_match_set_lyr_2_4, headers_m, smac_47_16),
+              &eth_m->src, sizeof(eth_m->src));
+       l24_v = MLX5_ADDR_OF(fte_match_set_lyr_2_4, headers_v, smac_47_16);
+       /* The value must be in the range of the mask. */
+       for (i = 0; i < sizeof(eth_m->dst); ++i)
+               l24_v[i] = eth_m->src.addr_bytes[i] & eth_v->src.addr_bytes[i];
+       MLX5_SET(fte_match_set_lyr_2_4, headers_m, ethertype,
+                rte_be_to_cpu_16(eth_m->type));
+       l24_v = MLX5_ADDR_OF(fte_match_set_lyr_2_4, headers_v, ethertype);
+       *(uint16_t *)(l24_v) = eth_m->type & eth_v->type;
+}
+
+/**
+ * Add VLAN item to matcher and to the value.
+ *
+ * @param[in, out] matcher
+ *   Flow matcher.
+ * @param[in, out] key
+ *   Flow matcher value.
+ * @param[in] item
+ *   Flow pattern to translate.
+ * @param[in] inner
+ *   Item is inner pattern.
+ */
+static void
+flow_dv_translate_item_vlan(void *matcher, void *key,
+                           const struct rte_flow_item *item,
+                           int inner)
+{
+       const struct rte_flow_item_vlan *vlan_m = item->mask;
+       const struct rte_flow_item_vlan *vlan_v = item->spec;
+       const struct rte_flow_item_vlan nic_mask = {
+               .tci = RTE_BE16(0x0fff),
+               .inner_type = RTE_BE16(0xffff),
+       };
+       void *headers_m;
+       void *headers_v;
+       uint16_t tci_m;
+       uint16_t tci_v;
+
+       if (!vlan_v)
+               return;
+       if (!vlan_m)
+               vlan_m = &nic_mask;
+       if (inner) {
+               headers_m = MLX5_ADDR_OF(fte_match_param, matcher,
+                                        inner_headers);
+               headers_v = MLX5_ADDR_OF(fte_match_param, key, inner_headers);
+       } else {
+               headers_m = MLX5_ADDR_OF(fte_match_param, matcher,
+                                        outer_headers);
+               headers_v = MLX5_ADDR_OF(fte_match_param, key, outer_headers);
+       }
+       tci_m = rte_be_to_cpu_16(vlan_m->tci);
+       tci_v = rte_be_to_cpu_16(vlan_m->tci & vlan_v->tci);
+       MLX5_SET(fte_match_set_lyr_2_4, headers_m, cvlan_tag, 1);
+       MLX5_SET(fte_match_set_lyr_2_4, headers_v, cvlan_tag, 1);
+       MLX5_SET(fte_match_set_lyr_2_4, headers_m, first_vid, tci_m);
+       MLX5_SET(fte_match_set_lyr_2_4, headers_v, first_vid, tci_v);
+       MLX5_SET(fte_match_set_lyr_2_4, headers_m, first_cfi, tci_m >> 12);
+       MLX5_SET(fte_match_set_lyr_2_4, headers_v, first_cfi, tci_v >> 12);
+       MLX5_SET(fte_match_set_lyr_2_4, headers_m, first_prio, tci_m >> 13);
+       MLX5_SET(fte_match_set_lyr_2_4, headers_v, first_prio, tci_v >> 13);
+}
+
+/**
+ * Add IPV4 item to matcher and to the value.
+ *
+ * @param[in, out] matcher
+ *   Flow matcher.
+ * @param[in, out] key
+ *   Flow matcher value.
+ * @param[in] item
+ *   Flow pattern to translate.
+ * @param[in] inner
+ *   Item is inner pattern.
+ */
+static void
+flow_dv_translate_item_ipv4(void *matcher, void *key,
+                           const struct rte_flow_item *item,
+                           int inner)
+{
+       const struct rte_flow_item_ipv4 *ipv4_m = item->mask;
+       const struct rte_flow_item_ipv4 *ipv4_v = item->spec;
+       const struct rte_flow_item_ipv4 nic_mask = {
+               .hdr = {
+                       .src_addr = RTE_BE32(0xffffffff),
+                       .dst_addr = RTE_BE32(0xffffffff),
+                       .type_of_service = 0xff,
+                       .next_proto_id = 0xff,
+               },
+       };
+       void *headers_m;
+       void *headers_v;
+       char *l24_m;
+       char *l24_v;
+       uint8_t tos;
+
+       if (!ipv4_v)
+               return;
+       if (!ipv4_m)
+               ipv4_m = &nic_mask;
+       if (inner) {
+               headers_m = MLX5_ADDR_OF(fte_match_param, matcher,
+                                        inner_headers);
+               headers_v = MLX5_ADDR_OF(fte_match_param, key, inner_headers);
+       } else {
+               headers_m = MLX5_ADDR_OF(fte_match_param, matcher,
+                                        outer_headers);
+               headers_v = MLX5_ADDR_OF(fte_match_param, key, outer_headers);
+       }
+       MLX5_SET(fte_match_set_lyr_2_4, headers_m, ip_version, 0xf);
+       MLX5_SET(fte_match_set_lyr_2_4, headers_v, ip_version, 4);
+       l24_m = MLX5_ADDR_OF(fte_match_set_lyr_2_4, headers_m,
+                            dst_ipv4_dst_ipv6.ipv4_layout.ipv4);
+       l24_v = MLX5_ADDR_OF(fte_match_set_lyr_2_4, headers_v,
+                            dst_ipv4_dst_ipv6.ipv4_layout.ipv4);
+       *(uint32_t *)l24_m = ipv4_m->hdr.dst_addr;
+       *(uint32_t *)l24_v = ipv4_m->hdr.dst_addr & ipv4_v->hdr.dst_addr;
+       l24_m = MLX5_ADDR_OF(fte_match_set_lyr_2_4, headers_m,
+                         src_ipv4_src_ipv6.ipv4_layout.ipv4);
+       l24_v = MLX5_ADDR_OF(fte_match_set_lyr_2_4, headers_v,
+                         src_ipv4_src_ipv6.ipv4_layout.ipv4);
+       *(uint32_t *)l24_m = ipv4_m->hdr.src_addr;
+       *(uint32_t *)l24_v = ipv4_m->hdr.src_addr & ipv4_v->hdr.src_addr;
+       tos = ipv4_m->hdr.type_of_service & ipv4_v->hdr.type_of_service;
+       MLX5_SET(fte_match_set_lyr_2_4, headers_m, ip_ecn,
+                ipv4_m->hdr.type_of_service);
+       MLX5_SET(fte_match_set_lyr_2_4, headers_v, ip_ecn, tos);
+       MLX5_SET(fte_match_set_lyr_2_4, headers_m, ip_dscp,
+                ipv4_m->hdr.type_of_service >> 2);
+       MLX5_SET(fte_match_set_lyr_2_4, headers_v, ip_dscp, tos >> 2);
+       MLX5_SET(fte_match_set_lyr_2_4, headers_m, ip_protocol,
+                ipv4_m->hdr.next_proto_id);
+       MLX5_SET(fte_match_set_lyr_2_4, headers_v, ip_protocol,
+                ipv4_v->hdr.next_proto_id & ipv4_m->hdr.next_proto_id);
+}
+
+/**
+ * Add IPV6 item to matcher and to the value.
+ *
+ * @param[in, out] matcher
+ *   Flow matcher.
+ * @param[in, out] key
+ *   Flow matcher value.
+ * @param[in] item
+ *   Flow pattern to translate.
+ * @param[in] inner
+ *   Item is inner pattern.
+ */
+static void
+flow_dv_translate_item_ipv6(void *matcher, void *key,
+                           const struct rte_flow_item *item,
+                           int inner)
+{
+       const struct rte_flow_item_ipv6 *ipv6_m = item->mask;
+       const struct rte_flow_item_ipv6 *ipv6_v = item->spec;
+       const struct rte_flow_item_ipv6 nic_mask = {
+               .hdr = {
+                       .src_addr =
+                               "\xff\xff\xff\xff\xff\xff\xff\xff"
+                               "\xff\xff\xff\xff\xff\xff\xff\xff",
+                       .dst_addr =
+                               "\xff\xff\xff\xff\xff\xff\xff\xff"
+                               "\xff\xff\xff\xff\xff\xff\xff\xff",
+                       .vtc_flow = RTE_BE32(0xffffffff),
+                       .proto = 0xff,
+                       .hop_limits = 0xff,
+               },
+       };
+       void *headers_m;
+       void *headers_v;
+       void *misc_m = MLX5_ADDR_OF(fte_match_param, matcher, misc_parameters);
+       void *misc_v = MLX5_ADDR_OF(fte_match_param, key, misc_parameters);
+       char *l24_m;
+       char *l24_v;
+       uint32_t vtc_m;
+       uint32_t vtc_v;
+       int i;
+       int size;
+
+       if (!ipv6_v)
+               return;
+       if (!ipv6_m)
+               ipv6_m = &nic_mask;
+       if (inner) {
+               headers_m = MLX5_ADDR_OF(fte_match_param, matcher,
+                                        inner_headers);
+               headers_v = MLX5_ADDR_OF(fte_match_param, key, inner_headers);
+       } else {
+               headers_m = MLX5_ADDR_OF(fte_match_param, matcher,
+                                        outer_headers);
+               headers_v = MLX5_ADDR_OF(fte_match_param, key, outer_headers);
+       }
+       size = sizeof(ipv6_m->hdr.dst_addr);
+       l24_m = MLX5_ADDR_OF(fte_match_set_lyr_2_4, headers_m,
+                            dst_ipv4_dst_ipv6.ipv6_layout.ipv6);
+       l24_v = MLX5_ADDR_OF(fte_match_set_lyr_2_4, headers_v,
+                            dst_ipv4_dst_ipv6.ipv6_layout.ipv6);
+       memcpy(l24_m, ipv6_m->hdr.dst_addr, size);
+       for (i = 0; i < size; ++i)
+               l24_v[i] = l24_m[i] & ipv6_v->hdr.dst_addr[i];
+       l24_m = MLX5_ADDR_OF(fte_match_set_lyr_2_4, headers_m,
+                            src_ipv4_src_ipv6.ipv6_layout.ipv6);
+       l24_v = MLX5_ADDR_OF(fte_match_set_lyr_2_4, headers_v,
+                            src_ipv4_src_ipv6.ipv6_layout.ipv6);
+       memcpy(l24_m, ipv6_m->hdr.src_addr, size);
+       for (i = 0; i < size; ++i)
+               l24_v[i] = l24_m[i] & ipv6_v->hdr.src_addr[i];
+       MLX5_SET(fte_match_set_lyr_2_4, headers_m, ip_version, 0xf);
+       MLX5_SET(fte_match_set_lyr_2_4, headers_v, ip_version, 6);
+       /* TOS. */
+       vtc_m = rte_be_to_cpu_32(ipv6_m->hdr.vtc_flow);
+       vtc_v = rte_be_to_cpu_32(ipv6_m->hdr.vtc_flow & ipv6_v->hdr.vtc_flow);
+       MLX5_SET(fte_match_set_lyr_2_4, headers_m, ip_ecn, vtc_m >> 20);
+       MLX5_SET(fte_match_set_lyr_2_4, headers_v, ip_ecn, vtc_v >> 20);
+       MLX5_SET(fte_match_set_lyr_2_4, headers_m, ip_dscp, vtc_m >> 22);
+       MLX5_SET(fte_match_set_lyr_2_4, headers_v, ip_dscp, vtc_v >> 22);
+       /* Label. */
+       if (inner) {
+               MLX5_SET(fte_match_set_misc, misc_m, inner_ipv6_flow_label,
+                        vtc_m);
+               MLX5_SET(fte_match_set_misc, misc_v, inner_ipv6_flow_label,
+                        vtc_v);
+       } else {
+               MLX5_SET(fte_match_set_misc, misc_m, outer_ipv6_flow_label,
+                        vtc_m);
+               MLX5_SET(fte_match_set_misc, misc_v, outer_ipv6_flow_label,
+                        vtc_v);
+       }
+       /* Protocol. */
+       MLX5_SET(fte_match_set_lyr_2_4, headers_m, ip_protocol,
+                ipv6_m->hdr.proto);
+       MLX5_SET(fte_match_set_lyr_2_4, headers_v, ip_protocol,
+                ipv6_v->hdr.proto & ipv6_m->hdr.proto);
+}
+
+/**
+ * Add TCP item to matcher and to the value.
+ *
+ * @param[in, out] matcher
+ *   Flow matcher.
+ * @param[in, out] key
+ *   Flow matcher value.
+ * @param[in] item
+ *   Flow pattern to translate.
+ * @param[in] inner
+ *   Item is inner pattern.
+ */
+static void
+flow_dv_translate_item_tcp(void *matcher, void *key,
+                          const struct rte_flow_item *item,
+                          int inner)
+{
+       const struct rte_flow_item_tcp *tcp_m = item->mask;
+       const struct rte_flow_item_tcp *tcp_v = item->spec;
+       void *headers_m;
+       void *headers_v;
+
+       if (!tcp_v)
+               return;
+       if (!tcp_m)
+               tcp_m = &rte_flow_item_tcp_mask;
+       if (inner) {
+               headers_m = MLX5_ADDR_OF(fte_match_param, matcher,
+                                        inner_headers);
+               headers_v = MLX5_ADDR_OF(fte_match_param, key, inner_headers);
+       } else {
+               headers_m = MLX5_ADDR_OF(fte_match_param, matcher,
+                                        outer_headers);
+               headers_v = MLX5_ADDR_OF(fte_match_param, key, outer_headers);
+       }
+       MLX5_SET(fte_match_set_lyr_2_4, headers_m, ip_protocol, 0xff);
+       MLX5_SET(fte_match_set_lyr_2_4, headers_v, ip_protocol, IPPROTO_TCP);
+       MLX5_SET(fte_match_set_lyr_2_4, headers_m, tcp_sport,
+                rte_be_to_cpu_16(tcp_m->hdr.src_port));
+       MLX5_SET(fte_match_set_lyr_2_4, headers_v, tcp_sport,
+                rte_be_to_cpu_16(tcp_v->hdr.src_port & tcp_m->hdr.src_port));
+       MLX5_SET(fte_match_set_lyr_2_4, headers_m, tcp_dport,
+                rte_be_to_cpu_16(tcp_m->hdr.dst_port));
+       MLX5_SET(fte_match_set_lyr_2_4, headers_v, tcp_dport,
+                rte_be_to_cpu_16(tcp_v->hdr.dst_port & tcp_m->hdr.dst_port));
+}
+
+/**
+ * Add UDP item to matcher and to the value.
+ *
+ * @param[in, out] matcher
+ *   Flow matcher.
+ * @param[in, out] key
+ *   Flow matcher value.
+ * @param[in] item
+ *   Flow pattern to translate.
+ * @param[in] inner
+ *   Item is inner pattern.
+ */
+static void
+flow_dv_translate_item_udp(void *matcher, void *key,
+                          const struct rte_flow_item *item,
+                          int inner)
+{
+       const struct rte_flow_item_udp *udp_m = item->mask;
+       const struct rte_flow_item_udp *udp_v = item->spec;
+       void *headers_m;
+       void *headers_v;
+
+       if (!udp_v)
+               return;
+       if (!udp_m)
+               udp_m = &rte_flow_item_udp_mask;
+       if (inner) {
+               headers_m = MLX5_ADDR_OF(fte_match_param, matcher,
+                                        inner_headers);
+               headers_v = MLX5_ADDR_OF(fte_match_param, key, inner_headers);
+       } else {
+               headers_m = MLX5_ADDR_OF(fte_match_param, matcher,
+                                        outer_headers);
+               headers_v = MLX5_ADDR_OF(fte_match_param, key, outer_headers);
+       }
+       MLX5_SET(fte_match_set_lyr_2_4, headers_m, ip_protocol, 0xff);
+       MLX5_SET(fte_match_set_lyr_2_4, headers_v, ip_protocol, IPPROTO_UDP);
+       MLX5_SET(fte_match_set_lyr_2_4, headers_m, udp_sport,
+                rte_be_to_cpu_16(udp_m->hdr.src_port));
+       MLX5_SET(fte_match_set_lyr_2_4, headers_v, udp_sport,
+                rte_be_to_cpu_16(udp_v->hdr.src_port & udp_m->hdr.src_port));
+       MLX5_SET(fte_match_set_lyr_2_4, headers_m, udp_dport,
+                rte_be_to_cpu_16(udp_m->hdr.dst_port));
+       MLX5_SET(fte_match_set_lyr_2_4, headers_v, udp_dport,
+                rte_be_to_cpu_16(udp_v->hdr.dst_port & udp_m->hdr.dst_port));
+}
+
+/**
+ * Add GRE item to matcher and to the value.
+ *
+ * @param[in, out] matcher
+ *   Flow matcher.
+ * @param[in, out] key
+ *   Flow matcher value.
+ * @param[in] item
+ *   Flow pattern to translate.
+ * @param[in] inner
+ *   Item is inner pattern.
+ */
+static void
+flow_dv_translate_item_gre(void *matcher, void *key,
+                          const struct rte_flow_item *item,
+                          int inner)
+{
+       const struct rte_flow_item_gre *gre_m = item->mask;
+       const struct rte_flow_item_gre *gre_v = item->spec;
+       void *headers_m;
+       void *headers_v;
+       void *misc_m = MLX5_ADDR_OF(fte_match_param, matcher, misc_parameters);
+       void *misc_v = MLX5_ADDR_OF(fte_match_param, key, misc_parameters);
+
+       if (!gre_v)
+               return;
+       if (!gre_m)
+               gre_m = &rte_flow_item_gre_mask;
+       if (inner) {
+               headers_m = MLX5_ADDR_OF(fte_match_param, matcher,
+                                        inner_headers);
+               headers_v = MLX5_ADDR_OF(fte_match_param, key, inner_headers);
+       } else {
+               headers_m = MLX5_ADDR_OF(fte_match_param, matcher,
+                                        outer_headers);
+               headers_v = MLX5_ADDR_OF(fte_match_param, key, outer_headers);
+       }
+       MLX5_SET(fte_match_set_lyr_2_4, headers_m, ip_protocol, 0xff);
+       MLX5_SET(fte_match_set_lyr_2_4, headers_v, ip_protocol, IPPROTO_GRE);
+       MLX5_SET(fte_match_set_misc, misc_m, gre_protocol,
+                rte_be_to_cpu_16(gre_m->protocol));
+       MLX5_SET(fte_match_set_misc, misc_v, gre_protocol,
+                rte_be_to_cpu_16(gre_v->protocol & gre_m->protocol));
+}
+
+/**
+ * Add NVGRE item to matcher and to the value.
+ *
+ * @param[in, out] matcher
+ *   Flow matcher.
+ * @param[in, out] key
+ *   Flow matcher value.
+ * @param[in] item
+ *   Flow pattern to translate.
+ * @param[in] inner
+ *   Item is inner pattern.
+ */
+static void
+flow_dv_translate_item_nvgre(void *matcher, void *key,
+                            const struct rte_flow_item *item,
+                            int inner)
+{
+       const struct rte_flow_item_nvgre *nvgre_m = item->mask;
+       const struct rte_flow_item_nvgre *nvgre_v = item->spec;
+       void *misc_m = MLX5_ADDR_OF(fte_match_param, matcher, misc_parameters);
+       void *misc_v = MLX5_ADDR_OF(fte_match_param, key, misc_parameters);
+       char *gre_key_m;
+       char *gre_key_v;
+       int size;
+       int i;
+
+       if (!nvgre_v)
+               return;
+       if (!nvgre_m)
+               nvgre_m = &rte_flow_item_nvgre_mask;
+       size = sizeof(nvgre_m->tni) + sizeof(nvgre_m->flow_id);
+       gre_key_m = MLX5_ADDR_OF(fte_match_set_misc, misc_m, gre_key_h);
+       gre_key_v = MLX5_ADDR_OF(fte_match_set_misc, misc_v, gre_key_h);
+       memcpy(gre_key_m, nvgre_m->tni, size);
+       for (i = 0; i < size; ++i)
+               gre_key_v[i] = gre_key_m[i] & ((const char *)(nvgre_v->tni))[i];
+       flow_dv_translate_item_gre(matcher, key, item, inner);
+}
+
+/**
+ * Add VXLAN item to matcher and to the value.
+ *
+ * @param[in, out] matcher
+ *   Flow matcher.
+ * @param[in, out] key
+ *   Flow matcher value.
+ * @param[in] item
+ *   Flow pattern to translate.
+ * @param[in] inner
+ *   Item is inner pattern.
+ */
+static void
+flow_dv_translate_item_vxlan(void *matcher, void *key,
+                            const struct rte_flow_item *item,
+                            int inner)
+{
+       const struct rte_flow_item_vxlan *vxlan_m = item->mask;
+       const struct rte_flow_item_vxlan *vxlan_v = item->spec;
+       void *headers_m;
+       void *headers_v;
+       void *misc_m = MLX5_ADDR_OF(fte_match_param, matcher, misc_parameters);
+       void *misc_v = MLX5_ADDR_OF(fte_match_param, key, misc_parameters);
+       char *vni_m;
+       char *vni_v;
+       uint16_t dport;
+       int size;
+       int i;
+
+       if (!vxlan_v)
+               return;
+       if (!vxlan_m)
+               vxlan_m = &rte_flow_item_vxlan_mask;
+       if (inner) {
+               headers_m = MLX5_ADDR_OF(fte_match_param, matcher,
+                                        inner_headers);
+               headers_v = MLX5_ADDR_OF(fte_match_param, key, inner_headers);
+       } else {
+               headers_m = MLX5_ADDR_OF(fte_match_param, matcher,
+                                        outer_headers);
+               headers_v = MLX5_ADDR_OF(fte_match_param, key, outer_headers);
+       }
+       dport = item->type == RTE_FLOW_ITEM_TYPE_VXLAN ?
+               MLX5_UDP_PORT_VXLAN : MLX5_UDP_PORT_VXLAN_GPE;
+       if (!MLX5_GET16(fte_match_set_lyr_2_4, headers_v, udp_dport)) {
+               MLX5_SET(fte_match_set_lyr_2_4, headers_m, udp_dport, 0xFFFF);
+               MLX5_SET(fte_match_set_lyr_2_4, headers_v, udp_dport, dport);
+       }
+       size = sizeof(vxlan_m->vni);
+       vni_m = MLX5_ADDR_OF(fte_match_set_misc, misc_m, vxlan_vni);
+       vni_v = MLX5_ADDR_OF(fte_match_set_misc, misc_v, vxlan_vni);
+       memcpy(vni_m, vxlan_m->vni, size);
+       for (i = 0; i < size; ++i)
+               vni_v[i] = vni_m[i] & vxlan_v->vni[i];
+}
+
+/**
+ * Update the matcher and the value based the selected item.
+ *
+ * @param[in, out] matcher
+ *   Flow matcher.
+ * @param[in, out] key
+ *   Flow matcher value.
+ * @param[in] item
+ *   Flow pattern to translate.
+ * @param[in, out] dev_flow
+ *   Pointer to the mlx5_flow.
+ * @param[in] inner
+ *   Item is inner pattern.
+ */
+static void
+flow_dv_create_item(void *matcher, void *key,
+                   const struct rte_flow_item *item,
+                   struct mlx5_flow *dev_flow,
+                   int inner)
+{
+       struct mlx5_flow_dv_matcher *tmatcher = matcher;
+
+       switch (item->type) {
+       case RTE_FLOW_ITEM_TYPE_VOID:
+       case RTE_FLOW_ITEM_TYPE_END:
+               break;
+       case RTE_FLOW_ITEM_TYPE_ETH:
+               flow_dv_translate_item_eth(tmatcher->mask.buf, key, item,
+                                          inner);
+               tmatcher->priority = MLX5_PRIORITY_MAP_L2;
+               break;
+       case RTE_FLOW_ITEM_TYPE_VLAN:
+               flow_dv_translate_item_vlan(tmatcher->mask.buf, key, item,
+                                           inner);
+               break;
+       case RTE_FLOW_ITEM_TYPE_IPV4:
+               flow_dv_translate_item_ipv4(tmatcher->mask.buf, key, item,
+                                           inner);
+               tmatcher->priority = MLX5_PRIORITY_MAP_L3;
+               dev_flow->dv.hash_fields |=
+                       mlx5_flow_hashfields_adjust(dev_flow, inner,
+                                                   MLX5_IPV4_LAYER_TYPES,
+                                                   MLX5_IPV4_IBV_RX_HASH);
+               break;
+       case RTE_FLOW_ITEM_TYPE_IPV6:
+               flow_dv_translate_item_ipv6(tmatcher->mask.buf, key, item,
+                                           inner);
+               tmatcher->priority = MLX5_PRIORITY_MAP_L3;
+               dev_flow->dv.hash_fields |=
+                       mlx5_flow_hashfields_adjust(dev_flow, inner,
+                                                   MLX5_IPV6_LAYER_TYPES,
+                                                   MLX5_IPV6_IBV_RX_HASH);
+               break;
+       case RTE_FLOW_ITEM_TYPE_TCP:
+               flow_dv_translate_item_tcp(tmatcher->mask.buf, key, item,
+                                          inner);
+               tmatcher->priority = MLX5_PRIORITY_MAP_L4;
+               dev_flow->dv.hash_fields |=
+                       mlx5_flow_hashfields_adjust(dev_flow, inner,
+                                                   ETH_RSS_TCP,
+                                                   (IBV_RX_HASH_SRC_PORT_TCP |
+                                                    IBV_RX_HASH_DST_PORT_TCP));
+               break;
+       case RTE_FLOW_ITEM_TYPE_UDP:
+               flow_dv_translate_item_udp(tmatcher->mask.buf, key, item,
+                                          inner);
+               tmatcher->priority = MLX5_PRIORITY_MAP_L4;
+               dev_flow->verbs.hash_fields |=
+                       mlx5_flow_hashfields_adjust(dev_flow, inner,
+                                                   ETH_RSS_TCP,
+                                                   (IBV_RX_HASH_SRC_PORT_TCP |
+                                                    IBV_RX_HASH_DST_PORT_TCP));
+               break;
+       case RTE_FLOW_ITEM_TYPE_NVGRE:
+               flow_dv_translate_item_nvgre(tmatcher->mask.buf, key, item,
+                                            inner);
+               break;
+       case RTE_FLOW_ITEM_TYPE_GRE:
+               flow_dv_translate_item_gre(tmatcher->mask.buf, key, item,
+                                          inner);
+               break;
+       case RTE_FLOW_ITEM_TYPE_VXLAN:
+       case RTE_FLOW_ITEM_TYPE_VXLAN_GPE:
+               flow_dv_translate_item_vxlan(tmatcher->mask.buf, key, item,
+                                            inner);
+               break;
+       default:
+               break;
+       }
+}
+
+static uint32_t matcher_zero[MLX5_ST_SZ_DW(fte_match_param)] = { 0 };
+
+#define HEADER_IS_ZERO(match_criteria, headers)                                     \
+       !(memcmp(MLX5_ADDR_OF(fte_match_param, match_criteria, headers),     \
+                matcher_zero, MLX5_FLD_SZ_BYTES(fte_match_param, headers))) \
+
+/**
+ * Calculate flow matcher enable bitmap.
+ *
+ * @param match_criteria
+ *   Pointer to flow matcher criteria.
+ *
+ * @return
+ *   Bitmap of enabled fields.
+ */
+static uint8_t
+flow_dv_matcher_enable(uint32_t *match_criteria)
+{
+       uint8_t match_criteria_enable;
+
+       match_criteria_enable =
+               (!HEADER_IS_ZERO(match_criteria, outer_headers)) <<
+               MLX5_MATCH_CRITERIA_ENABLE_OUTER_BIT;
+       match_criteria_enable |=
+               (!HEADER_IS_ZERO(match_criteria, misc_parameters)) <<
+               MLX5_MATCH_CRITERIA_ENABLE_MISC_BIT;
+       match_criteria_enable |=
+               (!HEADER_IS_ZERO(match_criteria, inner_headers)) <<
+               MLX5_MATCH_CRITERIA_ENABLE_INNER_BIT;
+       match_criteria_enable |=
+               (!HEADER_IS_ZERO(match_criteria, misc_parameters_2)) <<
+               MLX5_MATCH_CRITERIA_ENABLE_MISC2_BIT;
+
+       return match_criteria_enable;
+}
+
+/**
+ * Register the flow matcher.
+ *
+ * @param dev[in, out]
+ *   Pointer to rte_eth_dev structure.
+ * @param[in, out] matcher
+ *   Pointer to flow matcher.
+ * @parm[in, out] dev_flow
+ *   Pointer to the dev_flow.
+ * @param[out] error
+ *   pointer to error structure.
+ *
+ * @return
+ *   0 on success otherwise -errno and errno is set.
+ */
+static int
+flow_dv_matcher_register(struct rte_eth_dev *dev,
+                        struct mlx5_flow_dv_matcher *matcher,
+                        struct mlx5_flow *dev_flow,
+                        struct rte_flow_error *error)
+{
+       struct priv *priv = dev->data->dev_private;
+       struct mlx5_flow_dv_matcher *cache_matcher;
+       struct mlx5dv_flow_matcher_attr dv_attr = {
+               .type = IBV_FLOW_ATTR_NORMAL,
+               .match_mask = (void *)&matcher->mask,
+       };
+
+       /* Lookup from cache. */
+       LIST_FOREACH(cache_matcher, &priv->matchers, next) {
+               if (matcher->crc == cache_matcher->crc &&
+                   matcher->priority == cache_matcher->priority &&
+                   matcher->egress == cache_matcher->egress &&
+                   !memcmp((const void *)matcher->mask.buf,
+                           (const void *)cache_matcher->mask.buf,
+                           cache_matcher->mask.size)) {
+                       DRV_LOG(DEBUG,
+                               "priority %hd use %s matcher %p: refcnt %d++",
+                               cache_matcher->priority,
+                               cache_matcher->egress ? "tx" : "rx",
+                               (void *)cache_matcher,
+                               rte_atomic32_read(&cache_matcher->refcnt));
+                       rte_atomic32_inc(&cache_matcher->refcnt);
+                       dev_flow->dv.matcher = cache_matcher;
+                       return 0;
+               }
+       }
+       /* Register new matcher. */
+       cache_matcher = rte_calloc(__func__, 1, sizeof(*cache_matcher), 0);
+       if (!cache_matcher)
+               return rte_flow_error_set(error, ENOMEM,
+                                         RTE_FLOW_ERROR_TYPE_UNSPECIFIED, NULL,
+                                         "cannot allocate matcher memory");
+       *cache_matcher = *matcher;
+       dv_attr.match_criteria_enable =
+               flow_dv_matcher_enable(cache_matcher->mask.buf);
+       dv_attr.priority = matcher->priority;
+       if (matcher->egress)
+               dv_attr.flags |= IBV_FLOW_ATTR_FLAGS_EGRESS;
+       cache_matcher->matcher_object =
+               mlx5dv_create_flow_matcher(priv->ctx, &dv_attr);
+       if (!cache_matcher->matcher_object)
+               return rte_flow_error_set(error, ENOMEM,
+                                         RTE_FLOW_ERROR_TYPE_UNSPECIFIED,
+                                         NULL, "cannot create matcher");
+       rte_atomic32_inc(&cache_matcher->refcnt);
+       LIST_INSERT_HEAD(&priv->matchers, cache_matcher, next);
+       dev_flow->dv.matcher = cache_matcher;
+       DRV_LOG(DEBUG, "priority %hd new %s matcher %p: refcnt %d",
+               cache_matcher->priority,
+               cache_matcher->egress ? "tx" : "rx", (void *)cache_matcher,
+               rte_atomic32_read(&cache_matcher->refcnt));
+       return 0;
+}
+
+
+/**
+ * Fill the flow with DV spec.
+ *
+ * @param[in] dev
+ *   Pointer to rte_eth_dev structure.
+ * @param[in, out] dev_flow
+ *   Pointer to the sub flow.
+ * @param[in] attr
+ *   Pointer to the flow attributes.
+ * @param[in] items
+ *   Pointer to the list of items.
+ * @param[in] actions
+ *   Pointer to the list of actions.
+ * @param[out] error
+ *   Pointer to the error structure.
+ *
+ * @return
+ *   0 on success, a negative errno value otherwise and rte_ernno is set.
+ */
+static int
+flow_dv_translate(struct rte_eth_dev *dev,
+                 struct mlx5_flow *dev_flow,
+                 const struct rte_flow_attr *attr,
+                 const struct rte_flow_item items[],
+                 const struct rte_flow_action actions[] __rte_unused,
+                 struct rte_flow_error *error)
+{
+       struct priv *priv = dev->data->dev_private;
+       uint64_t priority = attr->priority;
+       struct mlx5_flow_dv_matcher matcher = {
+               .mask = {
+                       .size = sizeof(matcher.mask.buf),
+               },
+       };
+       void *match_value = dev_flow->dv.value.buf;
+       uint8_t inner = 0;
+
+       if (priority == MLX5_FLOW_PRIO_RSVD)
+               priority = priv->config.flow_prio - 1;
+       for (; items->type != RTE_FLOW_ITEM_TYPE_END; items++)
+               flow_dv_create_item(&matcher, match_value, items, dev_flow,
+                                   inner);
+       matcher.crc = rte_raw_cksum((const void *)matcher.mask.buf,
+                                    matcher.mask.size);
+       if (priority == MLX5_FLOW_PRIO_RSVD)
+               priority = priv->config.flow_prio - 1;
+       matcher.priority = mlx5_flow_adjust_priority(dev, priority,
+                                                    matcher.priority);
+       matcher.egress = attr->egress;
+       if (flow_dv_matcher_register(dev, &matcher, dev_flow, error))
+               return -rte_errno;
+       return 0;
+}
+
 /**
  * Fills the flow_ops with the function pointers.
  *
@@ -349,7 +1124,7 @@ mlx5_flow_dv_get_driver_ops(struct mlx5_flow_driver_ops *flow_ops)
        *flow_ops = (struct mlx5_flow_driver_ops) {
                .validate = flow_dv_validate,
                .prepare = flow_dv_prepare,
-               .translate = NULL,
+               .translate = flow_dv_translate,
                .apply = NULL,
                .remove = NULL,
                .destroy = NULL,