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 ddeb6d4..d83ecfb 100644 (file)
--- a/src/vnet/session/transport.c
+++ b/src/vnet/session/transport.c
@@ -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;
@@ -540,7 +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
@@ -550,13 +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)
 {
@@ -570,12 +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;
@@ -597,10 +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