diff options
| author |   Florin Coras <fcoras@cisco.com> | 2019-09-03 12:37:11 -0700 |
|---|---|---|
| committer |   Andrew Yourtchenko <ayourtch@gmail.com> | 2019-09-29 16:23:09 +0000 |
| commit | 56f1938ee26993c9777f42c1d7589999ac266cbe (patch) | |
| tree | 653ff22f8283aabe10c5385cc04cb13f202b5bb9 /src/vnet/tcp/tcp_newreno.c | |
| parent | 0ad8477bafb2a2290ce9977cc1f340bf6eaa00bf (diff) | |
tcp: cc algos handle cwnd on congestion signal
Type: refactor
Change-Id: I15b10a22d0d0b83075a0eef5ef8c09cf76989866
Signed-off-by: Florin Coras <fcoras@cisco.com>
(cherry picked from commit 8b4114e52f69b9292efb282e49ed4d90699ceeb8)
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 |