diff options
author | Florin Coras <fcoras@cisco.com> | 2019-09-03 12:37:11 -0700 |
---|---|---|
committer | John Lo <loj@cisco.com> | 2019-09-04 16:18:01 +0000 |
commit | 8b4114e52f69b9292efb282e49ed4d90699ceeb8 (patch) | |
tree | b649e9ac1ab0666117c24c4d83cc6402e603d614 /src/vnet/tcp/tcp_newreno.c | |
parent | fa20d4c5375c02f61e565b5fc57c490145bc0919 (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_newreno.c')
-rw-r--r-- | src/vnet/tcp/tcp_newreno.c | 6 |
1 files changed, 6 insertions, 0 deletions
diff --git a/src/vnet/tcp/tcp_newreno.c b/src/vnet/tcp/tcp_newreno.c index 7e37efb1052..8b704a6ba04 100644 --- a/src/vnet/tcp/tcp_newreno.c +++ b/src/vnet/tcp/tcp_newreno.c @@ -19,6 +19,12 @@ static void newreno_congestion (tcp_connection_t * tc) { tc->ssthresh = clib_max (tcp_flight_size (tc) / 2, 2 * tc->snd_mss); + tc->cwnd = tc->ssthresh; + /* Post retransmit update cwnd to ssthresh and account for the + * three segments that have left the network and should've been + * buffered at the receiver XXX */ + if (!tcp_opts_sack_permitted (&tc->rcv_opts)) + tc->cwnd += 3 * tc->snd_mss; } static void |