session: measure dispatch period only if under load

[vpp.git] / src / vnet / tcp / tcp.c

diff --git a/src/vnet/tcp/tcp.c b/src/vnet/tcp/tcp.c
index 1726355..ba427b7 100644 (file)
--- a/src/vnet/tcp/tcp.c
+++ b/src/vnet/tcp/tcp.c
@@ -1153,7 +1153,7 @@ const static transport_proto_vft_t tcp_proto = {
 /* *INDENT-ON* */
 
 void
-tcp_update_pacer (tcp_connection_t * tc)
+tcp_connection_tx_pacer_update (tcp_connection_t * tc)
 {
   f64 srtt;
 
@@ -1165,6 +1165,17 @@ tcp_update_pacer (tcp_connection_t * tc)
                                        ((f64) tc->cwnd) / srtt);
 }
 
+void
+tcp_connection_tx_pacer_reset (tcp_connection_t * tc, u32 window,
+                              u32 start_bucket)
+{
+  tcp_worker_ctx_t *wrk = tcp_get_worker (tc->c_thread_index);
+  u32 byte_rate = window / ((f64) TCP_TICK * tc->srtt);
+  u64 last_time = wrk->vm->clib_time.last_cpu_time;
+  transport_connection_tx_pacer_reset (&tc->connection, byte_rate,
+                                      start_bucket, last_time);
+}
+
 static void
 tcp_timer_keep_handler (u32 conn_index)
 {