tcp: improve rcv process ack processing

[vpp.git] / src / vnet / session / transport.c

diff --git a/src/vnet/session/transport.c b/src/vnet/session/transport.c
index 0d4ccb5..d83ecfb 100644 (file)
--- a/src/vnet/session/transport.c
+++ b/src/vnet/session/transport.c
@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 2017 Cisco and/or its affiliates.
+ * Copyright (c) 2017-2019 Cisco and/or its affiliates.
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
  * You may obtain a copy of the License at:
@@ -13,7 +13,7 @@
  * limitations under the License.
  */
 
-#include <vnet/session/transport_interface.h>
+#include <vnet/session/transport.h>
 #include <vnet/session/session.h>
 #include <vnet/fib/fib.h>
 
@@ -49,6 +49,7 @@ static double transport_pacer_period;
 
 #define TRANSPORT_PACER_MIN_MSS        1460
 #define TRANSPORT_PACER_MIN_BURST      TRANSPORT_PACER_MIN_MSS
+#define TRANSPORT_PACER_MAX_BURST      (32 * TRANSPORT_PACER_MIN_MSS)
 
 u8 *
 format_transport_proto (u8 * s, va_list * args)
@@ -68,6 +69,9 @@ format_transport_proto (u8 * s, va_list * args)
     case TRANSPORT_PROTO_UDPC:
       s = format (s, "UDPC");
       break;
+    case TRANSPORT_PROTO_QUIC:
+      s = format (s, "QUIC");
+      break;
     }
   return s;
 }
@@ -90,6 +94,9 @@ format_transport_proto_short (u8 * s, va_list * args)
     case TRANSPORT_PROTO_UDPC:
       s = format (s, "U");
       break;
+    case TRANSPORT_PROTO_QUIC:
+      s = format (s, "Q");
+      break;
     }
   return s;
 }
@@ -158,6 +165,10 @@ unformat_transport_proto (unformat_input_t * input, va_list * args)
     *proto = TRANSPORT_PROTO_TCP;
   else if (unformat (input, "TCP"))
     *proto = TRANSPORT_PROTO_TCP;
+  else if (unformat (input, "udpc"))
+    *proto = TRANSPORT_PROTO_UDPC;
+  else if (unformat (input, "UDPC"))
+    *proto = TRANSPORT_PROTO_UDPC;
   else if (unformat (input, "udp"))
     *proto = TRANSPORT_PROTO_UDP;
   else if (unformat (input, "UDP"))
@@ -170,10 +181,10 @@ unformat_transport_proto (unformat_input_t * input, va_list * args)
     *proto = TRANSPORT_PROTO_TLS;
   else if (unformat (input, "TLS"))
     *proto = TRANSPORT_PROTO_TLS;
-  else if (unformat (input, "udpc"))
-    *proto = TRANSPORT_PROTO_UDPC;
-  else if (unformat (input, "UDPC"))
-    *proto = TRANSPORT_PROTO_UDPC;
+  else if (unformat (input, "quic"))
+    *proto = TRANSPORT_PROTO_QUIC;
+  else if (unformat (input, "QUIC"))
+    *proto = TRANSPORT_PROTO_QUIC;
   else
     return 0;
   return 1;
@@ -271,6 +282,37 @@ transport_protocol_tx_fn_type (transport_proto_t tp)
   return tp_vfts[tp].tx_type;
 }
 
+void
+transport_cleanup (transport_proto_t tp, u32 conn_index, u8 thread_index)
+{
+  tp_vfts[tp].cleanup (conn_index, thread_index);
+}
+
+int
+transport_connect (transport_proto_t tp, transport_endpoint_cfg_t * tep)
+{
+  return tp_vfts[tp].connect (tep);
+}
+
+void
+transport_close (transport_proto_t tp, u32 conn_index, u8 thread_index)
+{
+  tp_vfts[tp].close (conn_index, thread_index);
+}
+
+u32
+transport_start_listen (transport_proto_t tp, u32 session_index,
+                       transport_endpoint_t * tep)
+{
+  return tp_vfts[tp].start_listen (session_index, tep);
+}
+
+u32
+transport_stop_listen (transport_proto_t tp, u32 conn_index)
+{
+  return tp_vfts[tp].stop_listen (conn_index);
+}
+
 u8
 transport_protocol_is_cl (transport_proto_t tp)
 {
@@ -509,7 +551,7 @@ spacer_max_burst (spacer_t * pacer, u64 norm_time_now)
       pacer->bucket += inc;
     }
 
-  return clib_min (pacer->bucket, pacer->max_burst_size);
+  return clib_min (pacer->bucket, TRANSPORT_PACER_MAX_BURST);
 }
 
 static inline void
@@ -519,13 +561,6 @@ spacer_update_bucket (spacer_t * pacer, u32 bytes)
   pacer->bucket -= bytes;
 }
 
-static inline void
-spacer_update_max_burst_size (spacer_t * pacer, u32 max_burst_bytes)
-{
-  pacer->max_burst_size = clib_max (max_burst_bytes,
-                                   TRANSPORT_PACER_MIN_BURST);
-}
-
 static inline void
 spacer_set_pace_rate (spacer_t * pacer, u64 rate_bytes_per_sec)
 {
@@ -539,12 +574,6 @@ transport_connection_tx_pacer_reset (transport_connection_t * tc,
                                     u32 start_bucket, u64 time_now)
 {
   spacer_t *pacer = &tc->pacer;
-  f64 dispatch_period;
-  u32 burst_size;
-
-  dispatch_period = transport_dispatch_period (tc->thread_index);
-  burst_size = rate_bytes_per_sec * dispatch_period;
-  spacer_update_max_burst_size (&tc->pacer, burst_size);
   spacer_set_pace_rate (&tc->pacer, rate_bytes_per_sec);
   pacer->last_update = time_now >> SPACER_CPU_TICKS_PER_PERIOD_SHIFT;
   pacer->bucket = start_bucket;
@@ -566,10 +595,7 @@ void
 transport_connection_tx_pacer_update (transport_connection_t * tc,
                                      u64 bytes_per_sec)
 {
-  f64 dispatch_period = transport_dispatch_period (tc->thread_index);
-  u32 burst_size = 1.1 * bytes_per_sec * dispatch_period;
   spacer_set_pace_rate (&tc->pacer, bytes_per_sec);
-  spacer_update_max_burst_size (&tc->pacer, burst_size);
 }
 
 u32
@@ -646,7 +672,7 @@ void
 transport_init (void)
 {
   vlib_thread_main_t *vtm = vlib_get_thread_main ();
-  session_manager_main_t *smm = vnet_get_session_manager_main ();
+  session_main_t *smm = vnet_get_session_main ();
   u32 num_threads;
 
   if (smm->local_endpoints_table_buckets == 0)