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authorFlorin Coras <fcoras@cisco.com>2019-09-03 12:37:11 -0700
committerJohn Lo <loj@cisco.com>2019-09-04 16:18:01 +0000
commit8b4114e52f69b9292efb282e49ed4d90699ceeb8 (patch)
treeb649e9ac1ab0666117c24c4d83cc6402e603d614 /src/vnet/tcp/tcp_cubic.c
parentfa20d4c5375c02f61e565b5fc57c490145bc0919 (diff)
tcp: cc algos handle cwnd on congestion signal
Type: refactor Change-Id: I15b10a22d0d0b83075a0eef5ef8c09cf76989866 Signed-off-by: Florin Coras <fcoras@cisco.com>
Diffstat (limited to 'src/vnet/tcp/tcp_cubic.c')
-rw-r--r--src/vnet/tcp/tcp_cubic.c4
1 files changed, 4 insertions, 0 deletions
diff --git a/src/vnet/tcp/tcp_cubic.c b/src/vnet/tcp/tcp_cubic.c
index 0b4226d6f12..aa318961533 100644
--- a/src/vnet/tcp/tcp_cubic.c
+++ b/src/vnet/tcp/tcp_cubic.c
@@ -103,6 +103,10 @@ cubic_congestion (tcp_connection_t * tc)
cd->w_max = w_max;
tc->ssthresh = clib_max (tc->cwnd * beta_cubic, 2 * tc->snd_mss);
+
+ tc->cwnd = tc->ssthresh;
+ if (!tcp_opts_sack_permitted (&tc->rcv_opts))
+ tc->cwnd += 3 * tc->snd_mss;
}
static void