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Diffstat (limited to 'src/vnet/tcp/tcp_output.c')
-rw-r--r--src/vnet/tcp/tcp_output.c10
1 files changed, 4 insertions, 6 deletions
diff --git a/src/vnet/tcp/tcp_output.c b/src/vnet/tcp/tcp_output.c
index 47c94e6daca..554a981d924 100644
--- a/src/vnet/tcp/tcp_output.c
+++ b/src/vnet/tcp/tcp_output.c
@@ -1052,6 +1052,7 @@ tcp_rtx_timeout_cc (tcp_connection_t * tc)
tc->ssthresh = clib_max (tcp_flight_size (tc) / 2, 2 * tc->snd_mss);
tc->cwnd = tcp_loss_wnd (tc);
tc->snd_congestion = tc->snd_una_max;
+
tcp_recovery_on (tc);
}
@@ -1213,7 +1214,7 @@ tcp_timer_persist_handler (u32 index)
tc->timers[TCP_TIMER_PERSIST] = TCP_TIMER_HANDLE_INVALID;
/* Problem already solved or worse */
- if (tc->state == TCP_STATE_CLOSED
+ if (tc->state == TCP_STATE_CLOSED || tc->state > TCP_STATE_ESTABLISHED
|| tc->snd_wnd > tc->snd_mss || tcp_in_recovery (tc))
return;
@@ -1505,10 +1506,7 @@ tcp46_output_inline (vlib_main_t * vm,
/* Stop DELACK timer and fix flags */
tc0->flags &= ~(TCP_CONN_SNDACK);
- if (tcp_timer_is_active (tc0, TCP_TIMER_DELACK))
- {
- tcp_timer_reset (tc0, TCP_TIMER_DELACK);
- }
+ tcp_timer_reset (tc0, TCP_TIMER_DELACK);
/* If not retransmitting
* 1) update snd_una_max (SYN, SYNACK, FIN)
@@ -1630,7 +1628,7 @@ tcp_push_header (transport_connection_t * tconn, vlib_buffer_t * b)
tc = (tcp_connection_t *) tconn;
tcp_push_hdr_i (tc, b, TCP_STATE_ESTABLISHED, 0);
- if (tc->rtt_ts == 0)
+ if (tc->rtt_ts == 0 && !tcp_in_cong_recovery (tc))
{
tc->rtt_ts = tcp_time_now ();
tc->rtt_seq = tc->snd_nxt;