X-Git-Url: https://gerrit.fd.io/r/gitweb?a=blobdiff_plain;f=src%2Fvnet%2Fip%2Fip4_forward.c;h=58cfd1816d8b3f0bd29aeeeb9c8430a161c91cc2;hb=59b2565cd91a67ced650739f36129650830211ac;hp=b3de1201abcb41aea997a1e7ff1d70840fc8ed0b;hpb=2d3dbc45d633c5c2cb1bc4e1f544491e3173f001;p=vpp.git

diff --git a/src/vnet/ip/ip4_forward.c b/src/vnet/ip/ip4_forward.c
index b3de1201abc..58cfd1816d8 100755
--- a/src/vnet/ip/ip4_forward.c
+++ b/src/vnet/ip/ip4_forward.c
@@ -1922,7 +1922,13 @@ show_ip_local_command_fn (vlib_main_t * vm,
   for (i = 0; i < ARRAY_LEN (lm->local_next_by_ip_protocol); i++)
     {
       if (lm->local_next_by_ip_protocol[i] != IP_LOCAL_NEXT_PUNT)
-	vlib_cli_output (vm, "%d", i);
+	{
+	  u32 node_index = vlib_get_node (vm,
+					  ip4_local_node.index)->
+	    next_nodes[lm->local_next_by_ip_protocol[i]];
+	  vlib_cli_output (vm, "%d: %U", i, format_vlib_node_name, vm,
+			   node_index);
+	}
     }
   return 0;
 }
@@ -2131,6 +2137,7 @@ ip4_arp_inline (vlib_main_t * vm,
 
 	      vlib_buffer_copy_trace_flag (vm, p0, bi0);
 	      b0 = vlib_get_buffer (vm, bi0);
+	      VLIB_BUFFER_TRACE_TRAJECTORY_INIT (b0);
 	      vnet_buffer (b0)->sw_if_index[VLIB_TX] = sw_if_index0;
 
 	      vlib_buffer_advance (b0, -adj0->rewrite_header.data_bytes);
@@ -2250,14 +2257,6 @@ ip4_probe_neighbor (vlib_main_t * vm, ip4_address_t * dst, u32 sw_if_index)
 	 sw_if_index);
     }
 
-  ip46_address_t nh = {
-    .ip4 = *dst,
-  };
-
-  ai = adj_nbr_add_or_lock (FIB_PROTOCOL_IP4,
-			    VNET_LINK_IP4, &nh, sw_if_index);
-  adj = adj_get (ai);
-
   h = vlib_packet_template_get_packet (vm,
 				       &im->ip4_arp_request_packet_template,
 				       &bi);
@@ -2281,6 +2280,22 @@ ip4_probe_neighbor (vlib_main_t * vm, ip4_address_t * dst, u32 sw_if_index)
   vnet_buffer (b)->sw_if_index[VLIB_RX] =
     vnet_buffer (b)->sw_if_index[VLIB_TX] = sw_if_index;
 
+  ip46_address_t nh = {
+    .ip4 = *dst,
+  };
+
+  ai = adj_nbr_add_or_lock (FIB_PROTOCOL_IP4,
+			    VNET_LINK_IP4, &nh, sw_if_index);
+  adj = adj_get (ai);
+
+  /* Peer has been previously resolved, retrieve glean adj instead */
+  if (adj->lookup_next_index == IP_LOOKUP_NEXT_REWRITE)
+    {
+      adj_unlock (ai);
+      ai = adj_glean_add_or_lock (FIB_PROTOCOL_IP4, sw_if_index, &nh);
+      adj = adj_get (ai);
+    }
+
   /* Add encapsulation string for software interface (e.g. ethernet header). */
   vnet_rewrite_one_header (adj[0], h, sizeof (ethernet_header_t));
   vlib_buffer_advance (b, -adj->rewrite_header.data_bytes);