+struct sw_flow_key {
+ __be64 tun_id; /* Encapsulating tunnel ID. */
+ __be32 nw_src; /* IP source address. */
+ __be32 nw_dst; /* IP destination address. */
+ u16 in_port; /* Input switch port. */
+ __be16 dl_tci; /* 0 if no VLAN, VLAN_TAG_PRESENT set otherwise. */
+ __be16 dl_type; /* Ethernet frame type. */
+ __be16 tp_src; /* TCP/UDP source port. */
+ __be16 tp_dst; /* TCP/UDP destination port. */
+ u8 dl_src[ETH_ALEN]; /* Ethernet source address. */
+ u8 dl_dst[ETH_ALEN]; /* Ethernet destination address. */
+ u8 nw_proto; /* IP protocol or lower 8 bits of ARP opcode. */
+ u8 nw_tos; /* IP ToS (DSCP field, 6 bits). */
+};
+