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-rw-r--r--src/vnet/ethernet/arp.c24
1 files changed, 24 insertions, 0 deletions
diff --git a/src/vnet/ethernet/arp.c b/src/vnet/ethernet/arp.c
index 549e05d889c..13b718d4c62 100644
--- a/src/vnet/ethernet/arp.c
+++ b/src/vnet/ethernet/arp.c
@@ -2609,6 +2609,30 @@ send_ip4_garp_w_addr (vlib_main_t * vm,
}
/*
+ * Remove any arp entries asociated with the specificed interface
+ */
+void
+vnet_arp_delete_sw_interface (vnet_main_t * vnm, u32 sw_if_index, u32 is_add)
+{
+ if (!is_add && sw_if_index != ~0)
+ {
+ ethernet_arp_main_t *am = &ethernet_arp_main;
+ ethernet_arp_ip4_entry_t *e;
+ /* *INDENT-OFF* */
+ pool_foreach (e, am->ip4_entry_pool, ({
+ if (e->sw_if_index != sw_if_index)
+ continue;
+ vnet_arp_set_ip4_over_ethernet_rpc_args_t args = { .sw_if_index = sw_if_index,
+ .a.ip4 = e->ip4_address };
+ vnet_arp_unset_ip4_over_ethernet_internal (vnm, &args);
+ }));
+ /* *INDENT-ON* */
+ }
+}
+
+VNET_SW_INTERFACE_ADD_DEL_FUNCTION (vnet_arp_delete_sw_interface);
+
+/*
* fd.io coding-style-patch-verification: ON
*
* Local Variables: