tcp: time infra improvements

Type: improvement

Signed-off-by: Florin Coras <fcoras@cisco.com>
Change-Id: I998c0686f9f7dc556dda8b28e23bbed127d0aafc

4 files changed, 22 insertions, 2 deletions

diff --git a/src/vnet/session/session.h b/src/vnet/session/session.h
index aba8a1c3fd1..55863163a89 100644
--- a/src/vnet/session/session.h
+++ b/src/vnet/session/session.h
@@ -684,6 +684,13 @@ session_add_pending_tx_buffer (u32 thread_index, u32 bi, u32 next_node)
   vec_add1 (wrk->pending_tx_nexts, next_node);
 }
 
+always_inline void
+session_wrk_update_time (session_worker_t *wrk, f64 now)
+{
+  wrk->last_vlib_time = now;
+  wrk->last_vlib_us_time = wrk->last_vlib_time * CLIB_US_TIME_FREQ;
+}
+
 fifo_segment_t *session_main_get_evt_q_segment (void);
 void session_node_enable_disable (u8 is_en);
 clib_error_t *vnet_session_enable_disable (vlib_main_t * vm, u8 is_en);
diff --git a/src/vnet/session/session_node.c b/src/vnet/session/session_node.c
index f3713d00cd1..f8157cc6214 100644
--- a/src/vnet/session/session_node.c
+++ b/src/vnet/session/session_node.c
@@ -1431,8 +1431,7 @@ session_queue_node_fn (vlib_main_t * vm, vlib_node_runtime_t * node,
 
   SESSION_EVT (SESSION_EVT_DISPATCH_START, wrk);
 
-  wrk->last_vlib_time = vlib_time_now (vm);
-  wrk->last_vlib_us_time = wrk->last_vlib_time * CLIB_US_TIME_FREQ;
+  session_wrk_update_time (wrk, vlib_time_now (vm));
 
   /*
    *  Update transport time
diff --git a/src/vnet/session/transport.c b/src/vnet/session/transport.c
index 7cc2a8e04c5..4f6ac8b1c48 100644
--- a/src/vnet/session/transport.c
+++ b/src/vnet/session/transport.c
@@ -763,6 +763,12 @@ transport_connection_tx_pacer_update_bytes (transport_connection_t * tc,
 }
 
 void
+transport_update_pacer_time (u32 thread_index, clib_time_type_t now)
+{
+  session_wrk_update_time (session_main_get_worker (thread_index), now);
+}
+
+void
 transport_connection_reschedule (transport_connection_t * tc)
 {
   tc->flags &= ~TRANSPORT_CONNECTION_F_DESCHED;
diff --git a/src/vnet/session/transport.h b/src/vnet/session/transport.h
index 9a9b89fc9fd..efd2507ed4c 100644
--- a/src/vnet/session/transport.h
+++ b/src/vnet/session/transport.h
@@ -339,6 +339,14 @@ void
 transport_connection_tx_pacer_update_bytes (transport_connection_t * tc,
 					    u32 bytes);
 
+/**
+ * Request pacer time update
+ *
+ * @param thread_index	thread for which time is updated
+ * @param now		time now
+ */
+void transport_update_pacer_time (u32 thread_index, clib_time_type_t now);
+
 #endif /* SRC_VNET_SESSION_TRANSPORT_H_ */
 
 /*