Periodic scan and probe of IP neighbors to maintain neighbor pools

[vpp.git] / src / vnet / ethernet / arp.c

diff --git a/src/vnet/ethernet/arp.c b/src/vnet/ethernet/arp.c
index 0d692cc..8df96f6 100644 (file)
--- a/src/vnet/ethernet/arp.c
+++ b/src/vnet/ethernet/arp.c
@@ -269,7 +269,7 @@ format_ethernet_arp_ip4_entry (u8 * s, va_list * va)
     flags = format (flags, "N");
 
   s = format (s, "%=12U%=16U%=6s%=20U%U",
-             format_vlib_cpu_time, vnm->vlib_main, e->cpu_time_last_updated,
+             format_vlib_time, vnm->vlib_main, e->time_last_updated,
              format_ip4_address, &e->ip4_address,
              flags ? (char *) flags : "",
              format_ethernet_address, e->ethernet_address,
@@ -616,14 +616,17 @@ vnet_arp_set_ip4_over_ethernet_internal (vnet_main_t * vnm,
        */
       if (0 == memcmp (e->ethernet_address,
                       a->ethernet, sizeof (e->ethernet_address)))
-       goto check_customers;
+       {
+         e->time_last_updated = vlib_time_now (vm);
+         goto check_customers;
+       }
 
       /* Update time stamp and ethernet address. */
       clib_memcpy (e->ethernet_address, a->ethernet,
                   sizeof (e->ethernet_address));
     }
 
-  e->cpu_time_last_updated = clib_cpu_time_now ();
+  e->time_last_updated = vlib_time_now (vm);
   if (is_static)
     e->flags |= ETHERNET_ARP_IP4_ENTRY_FLAG_STATIC;
   else
@@ -1299,6 +1302,13 @@ ip4_arp_entry_sort (void *a1, void *a2)
   return cmp;
 }
 
+ethernet_arp_ip4_entry_t *
+ip4_neighbors_pool (void)
+{
+  ethernet_arp_main_t *am = &ethernet_arp_main;
+  return am->ip4_entry_pool;
+}
+
 ethernet_arp_ip4_entry_t *
 ip4_neighbor_entries (u32 sw_if_index)
 {