- if (adj->lookup_next_index == IP_LOOKUP_NEXT_REWRITE) {
- args.table_index_or_table_id = fib_index;
- args.flags = IP4_ROUTE_FLAG_FIB_INDEX | IP4_ROUTE_FLAG_DEL
- | IP4_ROUTE_FLAG_NEIGHBOR;
- args.dst_address = a->ip4;
- args.dst_address_length = 32;
- ip4_add_del_route (im, &args);
- ip4_maybe_remap_adjacencies (im, fib_index, args.flags);
- }
- }
+ if (e->flags & ETHERNET_ARP_IP4_ENTRY_FLAG_DYNAMIC)
+ {
+ arp_entry_free (eai, e);
+ }
+ }
+ return (0);
+}
+
+static int
+vnet_arp_populate_ip4_over_ethernet_internal (vnet_main_t * vnm,
+ vnet_arp_set_ip4_over_ethernet_rpc_args_t
+ * args)
+{
+ ethernet_arp_main_t *am = ðernet_arp_main;
+ ethernet_arp_ip4_entry_t *e;
+ ethernet_arp_interface_t *eai;
+
+ eai = &am->ethernet_arp_by_sw_if_index[args->sw_if_index];
+
+ e = arp_entry_find (eai, &args->a.ip4);
+
+ if (NULL != e)
+ {
+ adj_nbr_walk_nh4 (e->sw_if_index,
+ &e->ip4_address, arp_mk_complete_walk, e);
+ }
+ return (0);
+}
+
+static void
+set_ip4_over_ethernet_rpc_callback (vnet_arp_set_ip4_over_ethernet_rpc_args_t
+ * a)
+{
+ vnet_main_t *vm = vnet_get_main ();
+ ASSERT (os_get_cpu_number () == 0);
+
+ if (a->flags & ETHERNET_ARP_ARGS_REMOVE)
+ vnet_arp_unset_ip4_over_ethernet_internal (vm, a);
+ else if (a->flags & ETHERNET_ARP_ARGS_FLUSH)
+ vnet_arp_flush_ip4_over_ethernet_internal (vm, a);
+ else if (a->flags & ETHERNET_ARP_ARGS_POPULATE)
+ vnet_arp_populate_ip4_over_ethernet_internal (vm, a);
+ else
+ vnet_arp_set_ip4_over_ethernet_internal (vm, a);
+}
+
+/**
+ * @brief Invoked when the interface's admin state changes
+ */
+static clib_error_t *
+ethernet_arp_sw_interface_up_down (vnet_main_t * vnm,
+ u32 sw_if_index, u32 flags)
+{
+ ethernet_arp_main_t *am = ðernet_arp_main;
+ ethernet_arp_ip4_entry_t *e;
+ u32 i, *to_delete = 0;
+
+ /* *INDENT-OFF* */
+ pool_foreach (e, am->ip4_entry_pool,
+ ({
+ if (e->sw_if_index == sw_if_index)
+ vec_add1 (to_delete,
+ e - am->ip4_entry_pool);
+ }));
+ /* *INDENT-ON* */
+
+ for (i = 0; i < vec_len (to_delete); i++)
+ {
+ ethernet_arp_ip4_over_ethernet_address_t delme;
+ e = pool_elt_at_index (am->ip4_entry_pool, to_delete[i]);
+
+ clib_memcpy (&delme.ethernet, e->ethernet_address, 6);
+ delme.ip4.as_u32 = e->ip4_address.as_u32;
+
+ if (flags & VNET_SW_INTERFACE_FLAG_ADMIN_UP)
+ {
+ vnet_arp_populate_ip4_over_ethernet (vnm, e->sw_if_index, &delme);
+ }
+ else
+ {
+ vnet_arp_flush_ip4_over_ethernet (vnm, e->sw_if_index, &delme);
+ }
+
+ }
+ vec_free (to_delete);