dpdk_buffer.c: Honor clone_count even when there isn't a freelist handler

The DPDK glue did not support cloned packets which do not
have a freelist handler. Add support for this case.

Change-Id: I8f17cd4952df97989d90d3f3e39792bc3739705c
Signed-off-by: Kevin Paul Herbert <kph@cisco.com>

diff --git a/vlib/vlib/dpdk_buffer.c b/vlib/vlib/dpdk_buffer.c
index 43612a8..9db84a1 100644 (file)
--- a/vlib/vlib/dpdk_buffer.c
+++ b/vlib/vlib/dpdk_buffer.c
@@ -724,10 +724,13 @@ vlib_buffer_free_inline (vlib_main_t * vm,
         }
       else
         {
-          mb = ((struct rte_mbuf *)b)-1;
-          ASSERT(rte_mbuf_refcnt_read(mb) == 1);
-          rte_pktmbuf_free (mb);
-        }
+         if (PREDICT_TRUE (b->clone_count == 0))
+           {
+             mb = ((struct rte_mbuf *)b)-1;
+             ASSERT(rte_mbuf_refcnt_read(mb) == 1);
+             rte_pktmbuf_free (mb);
+           }
+       }
     }
   if (vec_len(bm->announce_list))
     {