+#include <vnet/ethernet/packet.h>
+
+#define foreach_flow_type \
+ /* l2 flow*/ \
+ _ (ETHERNET, ethernet, "ethernet") \
+ /* l3 IP flow */ \
+ _ (IP4, ip4, "ipv4") \
+ _ (IP6, ip6, "ipv6") \
+ /* IP tunnel flow */ \
+ _ (IP4_L2TPV3OIP, ip4_l2tpv3oip, "ipv4-l2tpv3oip") \
+ _ (IP4_IPSEC_ESP, ip4_ipsec_esp, "ipv4-ipsec-esp") \
+ _ (IP4_IPSEC_AH, ip4_ipsec_ah, "ipv4-ipsec-ah") \
+ /* l4 flow*/ \
+ _ (IP4_N_TUPLE, ip4_n_tuple, "ipv4-n-tuple") \
+ _ (IP6_N_TUPLE, ip6_n_tuple, "ipv6-n-tuple") \
+ _ (IP4_N_TUPLE_TAGGED, ip4_n_tuple_tagged, "ipv4-n-tuple-tagged") \
+ _ (IP6_N_TUPLE_TAGGED, ip6_n_tuple_tagged, "ipv6-n-tuple-tagged") \
+ /* L4 tunnel flow*/ \
+ _ (IP4_VXLAN, ip4_vxlan, "ipv4-vxlan") \
+ _ (IP6_VXLAN, ip6_vxlan, "ipv6-vxlan") \
+ _ (IP4_GTPC, ip4_gtpc, "ipv4-gtpc") \
+ _ (IP4_GTPU, ip4_gtpu, "ipv4-gtpu") \
+ /* generic flow */ \
+ _ (GENERIC, generic, "generic") \
+ /* IP in IP */ \
+ _ (IP6_IP6, ip6_ip6, "ipv6-ipv6") \
+ _ (IP6_IP4, ip6_ip4, "ipv6-ipv4") \
+ _ (IP4_IP6, ip4_ip6, "ipv4-ipv6") \
+ _ (IP4_IP4, ip4_ip4, "ipv4-ipv4") \
+ _ (IP6_IP6_N_TUPLE, ip6_ip6_n_tuple, "ipv6-ipv6-n-tuple") \
+ _ (IP6_IP4_N_TUPLE, ip6_ip4_n_tuple, "ipv6-ipv4-n-tuple") \
+ _ (IP4_IP6_N_TUPLE, ip4_ip6_n_tuple, "ipv4-ipv6-n-tuple") \
+ _ (IP4_IP4_N_TUPLE, ip4_ip4_n_tuple, "ipv4-ipv4-n-tuple")
+
+#define foreach_flow_entry_ethernet \
+ _fe(ethernet_header_t, eth_hdr)
+
+#define foreach_flow_entry_ip4 \
+ _fe(ip4_address_and_mask_t, src_addr) \
+ _fe(ip4_address_and_mask_t, dst_addr) \
+ _fe(ip_prot_and_mask_t, protocol)
+
+#define foreach_flow_entry_ip6 \
+ _fe(ip6_address_and_mask_t, src_addr) \
+ _fe(ip6_address_and_mask_t, dst_addr) \
+ _fe(ip_prot_and_mask_t, protocol)
+
+#define foreach_flow_entry_ip4_l2tpv3oip \
+ foreach_flow_entry_ip4 \
+ _fe(u32, session_id)