+typedef struct ip_neighbor_del_all_ctx_t_
+{
+ index_t *ipn_del;
+} ip_neighbor_del_all_ctx_t;
+
+static walk_rc_t
+ip_neighbor_del_all_walk_cb (index_t ipni, void *arg)
+{
+ ip_neighbor_del_all_ctx_t *ctx = arg;
+
+ vec_add1 (ctx->ipn_del, ipni);
+
+ return (WALK_CONTINUE);
+}
+
+void
+ip_neighbor_del_all (ip_address_family_t af, u32 sw_if_index)
+{
+ IP_NEIGHBOR_INFO ("delete-all: %U, %U",
+ format_ip_address_family, af,
+ format_vnet_sw_if_index_name, vnet_get_main (),
+ sw_if_index);
+
+ ip_neighbor_del_all_ctx_t ctx = {
+ .ipn_del = NULL,
+ };
+ index_t *ipni;
+
+ ip_neighbor_walk (af, sw_if_index, ip_neighbor_del_all_walk_cb, &ctx);
+
+ vec_foreach (ipni,
+ ctx.ipn_del) ip_neighbor_destroy (ip_neighbor_get (*ipni));
+ vec_free (ctx.ipn_del);
+}
+