X-Git-Url: https://gerrit.fd.io/r/gitweb?a=blobdiff_plain;f=src%2Fvnet%2Fl2%2Fl2_flood.c;h=b5eb5fe6381a301dac6758f9c82282951459881d;hb=95e19253320ab07748787f4c8a7620704563f6b8;hp=1bc528138d757846eef78f5fc1c4575a9c65cd58;hpb=44f0f71b6b1e6dac466452664817abc388662efd;p=vpp.git

diff --git a/src/vnet/l2/l2_flood.c b/src/vnet/l2/l2_flood.c
index 1bc528138d7..b5eb5fe6381 100644
--- a/src/vnet/l2/l2_flood.c
+++ b/src/vnet/l2/l2_flood.c
@@ -213,7 +213,6 @@ VLIB_NODE_FN (l2flood_node) (vlib_main_t * vm,
 	  else if (n_clones > 1)
 	    {
 	      vec_validate (msm->clones[thread_index], n_clones);
-	      vec_reset_length (msm->clones[thread_index]);
 
 	      /*
 	       * the header offset needs to be large enough to incorporate
@@ -226,9 +225,18 @@ VLIB_NODE_FN (l2flood_node) (vlib_main_t * vm,
 					    n_clones,
 					    VLIB_BUFFER_CLONE_HEAD_SIZE);
 
+	      vec_set_len (msm->clones[thread_index], n_cloned);
+
 	      if (PREDICT_FALSE (n_cloned != n_clones))
 		{
 		  b0->error = node->errors[L2FLOOD_ERROR_REPL_FAIL];
+		  /* Worst-case, no clones, consume the original buf */
+		  if (n_cloned == 0)
+		    {
+		      ci0 = bi0;
+		      member = msm->members[thread_index][0];
+		      goto use_original_buffer;
+		    }
 		}
 
 	      /*
@@ -250,9 +258,6 @@ VLIB_NODE_FN (l2flood_node) (vlib_main_t * vm,
 		      ethernet_header_t *h0;
 		      l2flood_trace_t *t;
 
-		      if (c0 != b0)
-			vlib_buffer_copy_trace_flag (vm, b0, ci0);
-
 		      t = vlib_add_trace (vm, node, c0, sizeof (*t));
 		      h0 = vlib_buffer_get_current (c0);
 		      t->sw_if_index = sw_if_index0;
@@ -286,6 +291,7 @@ VLIB_NODE_FN (l2flood_node) (vlib_main_t * vm,
 	      member = msm->members[thread_index][0];
 	    }
 
+	use_original_buffer:
 	  /*
 	   * the last clone that might go to a BVI
 	   */
@@ -301,9 +307,6 @@ VLIB_NODE_FN (l2flood_node) (vlib_main_t * vm,
 	      ethernet_header_t *h0;
 	      l2flood_trace_t *t;
 
-	      if (c0 != b0)
-		vlib_buffer_copy_trace_flag (vm, b0, ci0);
-
 	      t = vlib_add_trace (vm, node, c0, sizeof (*t));
 	      h0 = vlib_buffer_get_current (c0);
 	      t->sw_if_index = sw_if_index0;
@@ -311,8 +314,6 @@ VLIB_NODE_FN (l2flood_node) (vlib_main_t * vm,
 	      clib_memcpy_fast (t->src, h0->src_address, 6);
 	      clib_memcpy_fast (t->dst, h0->dst_address, 6);
 	    }
-
-
 	  /* Forward packet to the current member */
 	  if (PREDICT_FALSE (member->flags & L2_FLOOD_MEMBER_BVI))
 	    {