ip-neighbor: do not use sas to determine NS source address

[vpp.git] / src / vnet / ip-neighbor / ip6_neighbor.c

diff --git a/src/vnet/ip-neighbor/ip6_neighbor.c b/src/vnet/ip-neighbor/ip6_neighbor.c
index e3a47df..fd0dbfc 100644 (file)
--- a/src/vnet/ip-neighbor/ip6_neighbor.c
+++ b/src/vnet/ip-neighbor/ip6_neighbor.c
@@ -217,13 +217,14 @@ ip6_discover_neighbor_inline (vlib_main_t * vm,
           * Choose source address based on destination lookup
           * adjacency.
           */
-         if (!fib_sas6_get (sw_if_index0, &ip0->dst_address, &src) ||
-             !ip6_sas_by_sw_if_index (sw_if_index0, &ip0->dst_address, &src))
+         const ip6_address_t *ll = ip6_get_link_local_address (sw_if_index0);
+         if (!ll)
            {
              /* There is no address on the interface */
              p0->error = node->errors[IP6_NEIGHBOR_ERROR_NO_SOURCE_ADDRESS];
              continue;
            }
+         ip6_address_copy (&src, ll);
 
          b0 = ip6_neighbor_probe (vm, vnm, sw_if_index0, thread_index, &src,
                                   &ip0->dst_address);