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Diffstat (limited to 'src/vnet/tcp/tcp_newreno.c')
-rw-r--r--src/vnet/tcp/tcp_newreno.c4
1 files changed, 2 insertions, 2 deletions
diff --git a/src/vnet/tcp/tcp_newreno.c b/src/vnet/tcp/tcp_newreno.c
index c825e952c9b..103fea4c194 100644
--- a/src/vnet/tcp/tcp_newreno.c
+++ b/src/vnet/tcp/tcp_newreno.c
@@ -63,8 +63,8 @@ newreno_rcv_cong_ack (tcp_connection_t * tc, tcp_cc_ack_t ack_type)
* window deflation" attempts to ensure that, when fast recovery
* eventually ends, approximately ssthresh amount of data will be
* outstanding in the network.*/
- tc->cwnd = (tc->cwnd > tc->bytes_acked) ?
- tc->cwnd - tc->bytes_acked : 0;
+ tc->cwnd = (tc->cwnd > tc->bytes_acked + tc->snd_mss) ?
+ tc->cwnd - tc->bytes_acked : tc->snd_mss;
if (tc->bytes_acked > tc->snd_mss)
tc->cwnd += tc->snd_mss;
}