+ pool_get (sm->static_mappings, m);
+ clib_memset (m, 0, sizeof (*m));
+
+ m->flags = flags;
+ m->local_addr = l_addr;
+ m->external_addr = e_addr;
+
+ m->tag = vec_dup (tag);
+
+ if (is_sm_exact_address (flags) && is_sm_twice_nat (flags))
+ {
+ m->pool_addr = pool_addr;
+ }
+
+ if (!is_sm_addr_only (flags))
+ {
+ m->local_port = l_port;
+ m->external_port = e_port;
+ m->proto = proto;
+ }
+
+ if (is_sm_identity_nat (flags))
+ {
+ pool_get (m->locals, local);
+
+ local->vrf_id = vrf_id;
+ local->fib_index = fib_index;
+ }
+ else
+ {
+ m->vrf_id = vrf_id;
+ m->fib_index = fib_index;
+ }
+
+ if (!is_sm_out2in_only (flags))
+ {
+ init_nat_kv (&kv, m->local_addr, m->local_port, fib_index, m->proto, 0,
+ m - sm->static_mappings);
+ clib_bihash_add_del_8_8 (&sm->static_mapping_by_local, &kv, 1);
+ }
+
+ init_nat_kv (&kv, m->external_addr, m->external_port, 0, m->proto, 0,
+ m - sm->static_mappings);
+ clib_bihash_add_del_8_8 (&sm->static_mapping_by_external, &kv, 1);
+
+ if (sm->num_workers > 1)
+ {
+ // store worker index for this record
+ ip4_header_t ip = {
+ .src_address = m->local_addr,
+ };
+ u32 worker_index;
+ worker_index =
+ nat44_ed_get_in2out_worker_index (0, &ip, m->fib_index, 0);
+ vec_add1 (m->workers, worker_index);
+ }
+
+ if (is_sm_identity_nat (flags) || !is_sm_addr_only (flags))
+ return 0;
+
+ pool_foreach (interface, sm->interfaces)
+ {
+ if (nat_interface_is_inside (interface))
+ continue;
+
+ snat_add_del_addr_to_fib (&e_addr, 32, interface->sw_if_index, 1);
+ break;
+ }
+
+ pool_foreach (interface, sm->output_feature_interfaces)
+ {
+ if (nat_interface_is_inside (interface))
+ continue;
+
+ snat_add_del_addr_to_fib (&e_addr, 32, interface->sw_if_index, 1);
+ break;
+ }
+
+ return 0;
+}
+
+int
+nat44_ed_del_static_mapping (ip4_address_t l_addr, ip4_address_t e_addr,
+ u16 l_port, u16 e_port, nat_protocol_t proto,
+ u32 vrf_id, u32 sw_if_index, u32 flags)
+{
+ snat_main_per_thread_data_t *tsm;
+ snat_main_t *sm = &snat_main;
+
+ clib_bihash_kv_8_8_t kv, value;
+ snat_interface_t *interface;
+ nat44_lb_addr_port_t *local;
+ snat_static_mapping_t *m;
+ u32 fib_index = ~0;
+ int rv;
+
+ if (!sm->enabled)
+ {
+ return VNET_API_ERROR_UNSUPPORTED;
+ }
+
+ rv = nat44_ed_validate_sm_input (flags);
+ if (rv != 0)
+ {
+ return rv;
+ }
+
+ if (is_sm_addr_only (flags))
+ {
+ e_port = l_port = proto = 0;
+ }
+
+ if (is_sm_switch_address (flags))
+ {
+ // this mapping is interface bound
+ ip4_address_t *first_int_addr;