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| author | Eric Dumazet <edumazet@google.com> | 2017-10-27 07:47:23 -0700 |
|---|---|---|
| committer | David S. Miller <davem@davemloft.net> | 2017-10-28 19:24:38 +0900 |
| commit | d06a99045837d3f4d5431793c4c390b0daf2a08d (patch) | |
| tree | 27cb4b6e7f5f54a2f6356dc1ec5c263b216eb26e /net/ipv4/tcp_ipv4.c | |
| parent | 4540c0cf98b8892a642d2453eec20ae3eb5696fb (diff) | |
| download | lwn-d06a99045837d3f4d5431793c4c390b0daf2a08d.tar.gz lwn-d06a99045837d3f4d5431793c4c390b0daf2a08d.zip | |
tcp: Namespace-ify sysctl_tcp_tso_win_divisor
Signed-off-by: Eric Dumazet <edumazet@google.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'net/ipv4/tcp_ipv4.c')
| -rw-r--r-- | net/ipv4/tcp_ipv4.c | 5 |
1 files changed, 5 insertions, 0 deletions
diff --git a/net/ipv4/tcp_ipv4.c b/net/ipv4/tcp_ipv4.c index 27f376b90913..284ff16148df 100644 --- a/net/ipv4/tcp_ipv4.c +++ b/net/ipv4/tcp_ipv4.c @@ -2494,6 +2494,11 @@ static int __net_init tcp_sk_init(struct net *net) net->ipv4.sysctl_tcp_adv_win_scale = 1; net->ipv4.sysctl_tcp_frto = 2; net->ipv4.sysctl_tcp_moderate_rcvbuf = 1; + /* This limits the percentage of the congestion window which we + * will allow a single TSO frame to consume. Building TSO frames + * which are too large can cause TCP streams to be bursty. + */ + net->ipv4.sysctl_tcp_tso_win_divisor = 3; net->ipv4.sysctl_tcp_fastopen = TFO_CLIENT_ENABLE; spin_lock_init(&net->ipv4.tcp_fastopen_ctx_lock); |