session: generalize handling of network transports

- compute session type out of transport and network protos
- make session, session lookup and session queue code network protocol
  agnostic

This does not update the session layer to support non-ip network layer
protocols

Change-Id: Ifc2f92845e158b649d59462eb7d51c12af536691
Signed-off-by: Florin Coras <fcoras@cisco.com>

1 files changed, 1 insertions, 0 deletions

diff --git a/src/vnet/tcp/tcp_output.c b/src/vnet/tcp/tcp_output.c
index dd5b384b0c9..0eef942da83 100644
--- a/src/vnet/tcp/tcp_output.c
+++ b/src/vnet/tcp/tcp_output.c
@@ -1973,6 +1973,7 @@ tcp_push_header (transport_connection_t * tconn, vlib_buffer_t * b)
       tc->rtt_ts = tcp_time_now ();
       tc->rtt_seq = tc->snd_nxt;
     }
+  tcp_trajectory_add_start (b0, 3);
   return 0;
 }