X-Git-Url: https://gerrit.fd.io/r/gitweb?a=blobdiff_plain;f=vnet%2Fvnet%2Fip%2Fip6_forward.c;h=b558787c45c4325caebdad301d3a2bf97334690e;hb=d076f19b5e119265d995a031707c8d78608c439f;hp=86ee8d5ba2bc59ba53630b5d53b322144fc0d192;hpb=5b7a563ff0a39b74a0f037572b7709e3c9aa5cf2;p=vpp.git

diff --git a/vnet/vnet/ip/ip6_forward.c b/vnet/vnet/ip/ip6_forward.c
index 86ee8d5ba2b..b558787c45c 100644
--- a/vnet/vnet/ip/ip6_forward.c
+++ b/vnet/vnet/ip/ip6_forward.c
@@ -1993,6 +1993,7 @@ typedef enum {
 typedef enum {
   IP6_DISCOVER_NEIGHBOR_ERROR_DROP,
   IP6_DISCOVER_NEIGHBOR_ERROR_REQUEST_SENT,
+  IP6_DISCOVER_NEIGHBOR_ERROR_NO_SOURCE_ADDRESS,
 } ip6_discover_neighbor_error_t;
 
 static uword
@@ -2123,8 +2124,13 @@ ip6_discover_neighbor (vlib_main_t * vm,
              * Choose source address based on destination lookup 
              * adjacency. 
              */
-	    ip6_src_address_for_packet (im, p0, &h0->ip.src_address, 
-                                        sw_if_index0);
+	    if (ip6_src_address_for_packet (im, p0, &h0->ip.src_address,
+	                                        sw_if_index0)) {
+		//There is no address on the interface
+		p0->error = node->errors[IP6_DISCOVER_NEIGHBOR_ERROR_NO_SOURCE_ADDRESS];
+		vlib_buffer_free(vm, &bi0, 1);
+		continue;
+	    }
 
 	    /* 
              * Destination address is a solicited node multicast address.  
@@ -2175,6 +2181,8 @@ static char * ip6_discover_neighbor_error_strings[] = {
   [IP6_DISCOVER_NEIGHBOR_ERROR_DROP] = "address overflow drops",
   [IP6_DISCOVER_NEIGHBOR_ERROR_REQUEST_SENT] 
   = "neighbor solicitations sent",
+  [IP6_DISCOVER_NEIGHBOR_ERROR_NO_SOURCE_ADDRESS]
+    = "no source address for ND solicitation",
 };
 
 VLIB_REGISTER_NODE (ip6_discover_neighbor_node) = {