X-Git-Url: https://gerrit.fd.io/r/gitweb?a=blobdiff_plain;f=src%2Fvnet%2Fip%2Fip6_neighbor.c;h=7c7a7069e8939ee38bb88b8aa6d24c8c5c59305d;hb=1855b8e4;hp=e281d7e1d2f5ac95e1cf12d2082737497eab03b5;hpb=d723161e038d00e59766aa67a6a0dcc350227e4b;p=vpp.git

diff --git a/src/vnet/ip/ip6_neighbor.c b/src/vnet/ip/ip6_neighbor.c
index e281d7e1d2f..7c7a7069e89 100644
--- a/src/vnet/ip/ip6_neighbor.c
+++ b/src/vnet/ip/ip6_neighbor.c
@@ -466,6 +466,8 @@ ip6_nbr_probe (ip_adjacency_t * adj)
   h = vlib_packet_template_get_packet (vm,
 				       &im->discover_neighbor_packet_template,
 				       &bi);
+  if (!h)
+    return;
 
   hi = vnet_get_sup_hw_interface (vnm, adj->rewrite_header.sw_if_index);
 
@@ -660,6 +662,14 @@ ip6_ethernet_update_adjacency (vnet_main_t * vnm, u32 sw_if_index, u32 ai)
 	  ip6_nbr_probe (adj);
 	}
       break;
+    case IP_LOOKUP_NEXT_BCAST:
+      adj_nbr_update_rewrite (ai,
+			      ADJ_NBR_REWRITE_FLAG_COMPLETE,
+			      ethernet_build_rewrite (vnm,
+						      sw_if_index,
+						      VNET_LINK_IP6,
+						      VNET_REWRITE_FOR_SW_INTERFACE_ADDRESS_BROADCAST));
+      break;
     case IP_LOOKUP_NEXT_MCAST:
       {
 	/*
@@ -792,7 +802,13 @@ vnet_set_ip6_ethernet_neighbor (vlib_main_t * vm,
       n = pool_elt_at_index (nm->neighbor_pool, p[0]);
       /* Refuse to over-write static neighbor entry. */
       if (!is_static && (n->flags & IP6_NEIGHBOR_FLAG_STATIC))
-	return -2;
+	{
+	  /* if MAC address match, still check to send event */
+	  if (0 == memcmp (n->link_layer_address,
+			   link_layer_address, n_bytes_link_layer_address))
+	    goto check_customers;
+	  return -2;
+	}
       make_new_nd_cache_entry = 0;
     }
 
@@ -3285,6 +3301,8 @@ ip6_discover_neighbor_inline (vlib_main_t * vm,
 
 	    h0 = vlib_packet_template_get_packet
 	      (vm, &im->discover_neighbor_packet_template, &bi0);
+	    if (!h0)
+	      continue;
 
 	    /*
 	     * Build ethernet header.
@@ -4186,6 +4204,7 @@ enable_ip6_interface (vlib_main_t * vm, u32 sw_if_index)
 
 		  sw_if0 = vnet_get_sw_interface (vnm, sw_if_index);
 		  if (sw_if0->type == VNET_SW_INTERFACE_TYPE_SUB ||
+		      sw_if0->type == VNET_SW_INTERFACE_TYPE_PIPE ||
 		      sw_if0->type == VNET_SW_INTERFACE_TYPE_P2P)
 		    {
 		      /* make up  an interface id */
@@ -5037,6 +5056,9 @@ send_ip6_na_w_addr (vlib_main_t * vm,
 	vlib_packet_template_get_packet (vm,
 					 &i6m->discover_neighbor_packet_template,
 					 &bi);
+      if (!h)
+	return;
+
       ip6_set_reserved_multicast_address (&h->ip.dst_address,
 					  IP6_MULTICAST_SCOPE_link_local,
 					  IP6_MULTICAST_GROUP_ID_all_hosts);