+static_always_inline void
+wg_find_outer_addr_port (vlib_buffer_t *b, ip46_address_t *addr, u16 *port,
+ u8 is_ip4)
+{
+ if (is_ip4)
+ {
+ ip4_udp_header_t *ip4_udp_hdr =
+ vlib_buffer_get_current (b) - sizeof (ip4_udp_header_t);
+ ip46_address_set_ip4 (addr, &ip4_udp_hdr->ip4.src_address);
+ *port = clib_net_to_host_u16 (ip4_udp_hdr->udp.src_port);
+ }
+ else
+ {
+ ip6_udp_header_t *ip6_udp_hdr =
+ vlib_buffer_get_current (b) - sizeof (ip6_udp_header_t);
+ ip46_address_set_ip6 (addr, &ip6_udp_hdr->ip6.src_address);
+ *port = clib_net_to_host_u16 (ip6_udp_hdr->udp.src_port);
+ }
+}
+