tcp: fix retransmissions under buffer shortage

[vpp.git] / src / vnet / session / session_node.c

diff --git a/src/vnet/session/session_node.c b/src/vnet/session/session_node.c
index 7811617..ce460e9 100644 (file)
--- a/src/vnet/session/session_node.c
+++ b/src/vnet/session/session_node.c
@@ -325,8 +325,7 @@ session_tx_fifo_read_and_snd_i (vlib_main_t * vm, vlib_node_runtime_t * node,
          /* *INDENT-ON* */
 
          VLIB_BUFFER_TRACE_TRAJECTORY_INIT (b0);
-         if (VLIB_BUFFER_TRACE_TRAJECTORY)
-           b0->pre_data[1] = 3;
+         tcp_trajectory_add_start (b0, 3);
 
          if (PREDICT_FALSE (n_trace > 0))
            {