+/* Flow structure with Ethernet specification. It is packed to prevent padding
+ * between attr and spec as this layout is expected by libibverbs. */
+struct flow_attr_spec_eth {
+ struct ibv_exp_flow_attr attr;
+ struct ibv_exp_flow_spec_eth spec;
+} __attribute__((packed));
+
+/* Define a struct flow_attr_spec_eth object as an array of at least
+ * "size" bytes. Room after the first index is normally used to store
+ * extra flow specifications. */
+#define FLOW_ATTR_SPEC_ETH(name, size) \
+ struct flow_attr_spec_eth name \
+ [((size) / sizeof(struct flow_attr_spec_eth)) + \
+ !!((size) % sizeof(struct flow_attr_spec_eth))]
+
+/* Initialization data for hash RX queue. */
+struct hash_rxq_init {
+ uint64_t hash_fields; /* Fields that participate in the hash. */
+ uint64_t dpdk_rss_hf; /* Matching DPDK RSS hash fields. */
+ unsigned int flow_priority; /* Flow priority to use. */
+ union {
+ struct {
+ enum ibv_exp_flow_spec_type type;
+ uint16_t size;
+ } hdr;
+ struct ibv_exp_flow_spec_tcp_udp tcp_udp;
+ struct ibv_exp_flow_spec_ipv4 ipv4;
+ struct ibv_exp_flow_spec_ipv6 ipv6;
+ struct ibv_exp_flow_spec_eth eth;
+ } flow_spec; /* Flow specification template. */
+ const struct hash_rxq_init *underlayer; /* Pointer to underlayer. */
+};
+
+/* Initialization data for indirection table. */
+struct ind_table_init {
+ unsigned int max_size; /* Maximum number of WQs. */
+ /* Hash RX queues using this table. */
+ unsigned int hash_types;
+ unsigned int hash_types_n;
+};
+
+/* Initialization data for special flows. */
+struct special_flow_init {
+ uint8_t dst_mac_val[6];
+ uint8_t dst_mac_mask[6];
+ unsigned int hash_types;
+ unsigned int per_vlan:1;
+};
+
+enum hash_rxq_flow_type {
+ HASH_RXQ_FLOW_TYPE_PROMISC,
+ HASH_RXQ_FLOW_TYPE_ALLMULTI,
+ HASH_RXQ_FLOW_TYPE_BROADCAST,
+ HASH_RXQ_FLOW_TYPE_IPV6MULTI,
+ HASH_RXQ_FLOW_TYPE_MAC,
+};
+
+#ifndef NDEBUG
+static inline const char *
+hash_rxq_flow_type_str(enum hash_rxq_flow_type flow_type)
+{
+ switch (flow_type) {
+ case HASH_RXQ_FLOW_TYPE_PROMISC:
+ return "promiscuous";
+ case HASH_RXQ_FLOW_TYPE_ALLMULTI:
+ return "allmulticast";
+ case HASH_RXQ_FLOW_TYPE_BROADCAST:
+ return "broadcast";
+ case HASH_RXQ_FLOW_TYPE_IPV6MULTI:
+ return "IPv6 multicast";
+ case HASH_RXQ_FLOW_TYPE_MAC:
+ return "MAC";
+ }
+ return NULL;
+}
+#endif /* NDEBUG */
+
+struct hash_rxq {
+ struct priv *priv; /* Back pointer to private data. */
+ struct ibv_qp *qp; /* Hash RX QP. */
+ enum hash_rxq_type type; /* Hash RX queue type. */
+ /* MAC flow steering rules, one per VLAN ID. */
+ struct ibv_exp_flow *mac_flow
+ [MLX5_MAX_MAC_ADDRESSES][MLX5_MAX_VLAN_IDS];
+ struct ibv_exp_flow *special_flow
+ [MLX5_MAX_SPECIAL_FLOWS][MLX5_MAX_VLAN_IDS];
+};