diff options
| author |   Eric Dumazet <edumazet@google.com> | 2017-10-27 07:47:31 -0700 |
|---|---|---|
| committer |   David S. Miller <davem@davemloft.net> | 2017-10-28 19:24:39 +0900 |
| commit | 23a7102a2d1068508fa2a0ce593a0df7f8fdc0ac (patch) | |
| tree | 1c3eeee74cbc15facccc2d1c11472490785e198a /net/ipv4/tcp_input.c | |
| parent | tcp: Namespace-ify sysctl_tcp_invalid_ratelimit (diff) | |
| download | linux-dev-23a7102a2d1068508fa2a0ce593a0df7f8fdc0ac.tar.xz linux-dev-23a7102a2d1068508fa2a0ce593a0df7f8fdc0ac.zip | |
tcp: Namespace-ify sysctl_tcp_pacing_ss_ratio
Also remove an obsolete comment about TCP pacing.
Signed-off-by: Eric Dumazet <edumazet@google.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'net/ipv4/tcp_input.c')
| -rw-r--r-- | net/ipv4/tcp_input.c | 9 |
1 files changed, 1 insertions, 8 deletions
diff --git a/net/ipv4/tcp_input.c b/net/ipv4/tcp_input.c index db4d458d0205..29539d39e61a 100644 --- a/net/ipv4/tcp_input.c +++ b/net/ipv4/tcp_input.c @@ -767,13 +767,6 @@ static void tcp_rtt_estimator(struct sock *sk, long mrtt_us) tp->srtt_us = max(1U, srtt); } -/* Set the sk_pacing_rate to allow proper sizing of TSO packets. - * Note: TCP stack does not yet implement pacing. - * FQ packet scheduler can be used to implement cheap but effective - * TCP pacing, to smooth the burst on large writes when packets - * in flight is significantly lower than cwnd (or rwin) - */ -int sysctl_tcp_pacing_ss_ratio __read_mostly = 200; int sysctl_tcp_pacing_ca_ratio __read_mostly = 120; static void tcp_update_pacing_rate(struct sock *sk) @@ -793,7 +786,7 @@ static void tcp_update_pacing_rate(struct sock *sk) * end of slow start and should slow down. */ if (tp->snd_cwnd < tp->snd_ssthresh / 2) - rate *= sysctl_tcp_pacing_ss_ratio; + rate *= sock_net(sk)->ipv4.sysctl_tcp_pacing_ss_ratio; else rate *= sysctl_tcp_pacing_ca_ratio; |