+static inline int
+transport_custom_tx (transport_proto_t tp, void *s,
+ transport_send_params_t * sp)
+{
+ return tp_vfts[tp].custom_tx (s, sp);
+}
+
+static inline int
+transport_app_rx_evt (transport_proto_t tp, u32 conn_index, u32 thread_index)
+{
+ transport_connection_t *tc;
+ if (!tp_vfts[tp].app_rx_evt)
+ return 0;
+ tc = transport_get_connection (tp, conn_index, thread_index);
+ return tp_vfts[tp].app_rx_evt (tc);
+}
+
+/**
+ * Get send parameters for transport connection
+ *
+ * These include maximum tx burst, mss, tx offset and other flags
+ * transport might want to provide to sessin layer
+ *
+ * @param tc transport connection
+ * @param sp send paramaters
+ *
+ */
+static inline u32
+transport_connection_snd_params (transport_connection_t * tc,
+ transport_send_params_t * sp)
+{
+ return tp_vfts[tc->proto].send_params (tc, sp);
+}
+
+static inline u8
+transport_connection_is_descheduled (transport_connection_t * tc)
+{
+ return ((tc->flags & TRANSPORT_CONNECTION_F_DESCHED) ? 1 : 0);
+}
+
+static inline void
+transport_connection_deschedule (transport_connection_t * tc)
+{
+ tc->flags |= TRANSPORT_CONNECTION_F_DESCHED;
+}
+
+static inline u8
+transport_connection_is_cless (transport_connection_t * tc)
+{
+ return ((tc->flags & TRANSPORT_CONNECTION_F_CLESS) ? 1 : 0);
+}
+
+void transport_connection_reschedule (transport_connection_t * tc);
+
+/**
+ * Register transport virtual function table.
+ *
+ * @param transport_proto - transport protocol type (i.e., TCP, UDP ..)
+ * @param vft - virtual function table for transport proto
+ * @param fib_proto - network layer protocol
+ * @param output_node - output node index that session layer will hand off
+ * buffers to, for requested fib proto
+ */