diff options
| author | Eric Dumazet <edumazet@google.com> | 2017-10-27 07:54:56 +0300 |
|---|---|---|
| committer | David S. Miller <davem@davemloft.net> | 2017-10-27 10:35:42 +0300 |
| commit | 2ae21cf527da0e5cf9d7ee14bd5b0909bb9d1a75 (patch) | |
| tree | 66915a9a8ce25be60aba2ba42f6eac47691d2d51 /net/ipv4/tcp_output.c | |
| parent | 4dc12ffeaeac939097a3f55c881d3dc3523dff0c (diff) | |
| download | linux-2ae21cf527da0e5cf9d7ee14bd5b0909bb9d1a75.tar.xz | |
tcp: Namespace-ify sysctl_tcp_early_retrans
Signed-off-by: Eric Dumazet <edumazet@google.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'net/ipv4/tcp_output.c')
| -rw-r--r-- | net/ipv4/tcp_output.c | 4 |
1 files changed, 3 insertions, 1 deletions
diff --git a/net/ipv4/tcp_output.c b/net/ipv4/tcp_output.c index c8fc512e0bbb..21713836d46a 100644 --- a/net/ipv4/tcp_output.c +++ b/net/ipv4/tcp_output.c @@ -2435,6 +2435,7 @@ bool tcp_schedule_loss_probe(struct sock *sk) struct inet_connection_sock *icsk = inet_csk(sk); struct tcp_sock *tp = tcp_sk(sk); u32 timeout, rto_delta_us; + int early_retrans; /* Don't do any loss probe on a Fast Open connection before 3WHS * finishes. @@ -2442,10 +2443,11 @@ bool tcp_schedule_loss_probe(struct sock *sk) if (tp->fastopen_rsk) return false; + early_retrans = sock_net(sk)->ipv4.sysctl_tcp_early_retrans; /* Schedule a loss probe in 2*RTT for SACK capable connections * in Open state, that are either limited by cwnd or application. */ - if ((sysctl_tcp_early_retrans != 3 && sysctl_tcp_early_retrans != 4) || + if ((early_retrans != 3 && early_retrans != 4) || !tp->packets_out || !tcp_is_sack(tp) || icsk->icsk_ca_state != TCP_CA_Open) return false; |