Session layer refactoring

Major refactoring of the session layer api
- Add attatch api for application binding to the the session layer
- Simplify listen/connect calls
- Update application CLI
- Add transport endpoint to accept callback
- Associate segment manager to application and allow for multiple
  binds/connects per app

Additional:
- svm fifo cleanup
- add fifo free, format fns
- add fifo offset enqueue unit test

Change-Id: Id93a65047de61afc2bf3d58c9b544339c02065af
Signed-off-by: Florin Coras <fcoras@cisco.com>
Signed-off-by: Dave Barach <dave@barachs.net>
diff --git a/src/vnet/tcp/tcp_input.c b/src/vnet/tcp/tcp_input.c
index 7e9fa47..ae1f92d 100644
--- a/src/vnet/tcp/tcp_input.c
+++ b/src/vnet/tcp/tcp_input.c
@@ -1841,6 +1841,7 @@
 	    case TCP_STATE_ESTABLISHED:
 	    case TCP_STATE_FIN_WAIT_1:
 	    case TCP_STATE_FIN_WAIT_2:
+	      vlib_buffer_advance (b0, n_advance_bytes0);
 	      error0 = tcp_segment_rcv (tm, tc0, b0, n_data_bytes0, &next0);
 	      break;
 	    case TCP_STATE_CLOSE_WAIT:
@@ -2410,12 +2411,6 @@
 /* *INDENT-ON* */
 
 VLIB_NODE_FUNCTION_MULTIARCH (tcp6_input_node, tcp6_input);
-void
-tcp_update_time (f64 now, u32 thread_index)
-{
-  tcp_main_t *tm = vnet_get_tcp_main ();
-  tw_timer_expire_timers_16t_2w_512sl (&tm->timer_wheels[thread_index], now);
-}
 
 static void
 tcp_dispatch_table_init (tcp_main_t * tm)