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| author | Eric Dumazet <eric.dumazet@gmail.com> | 2011-10-13 18:24:42 +0000 |
|---|---|---|
| committer | David S. Miller <davem@davemloft.net> | 2011-10-19 16:53:30 -0400 |
| commit | 06a59ecb921de1d44efcf2cdf543bc689fe2e0d8 (patch) | |
| tree | cfd9b3c5ce0e82941ebbe115ef069f19a4755457 /net | |
| parent | fddf86fc4699a5fbabe6b8bda67613dbd57cbe47 (diff) | |
| download | linux-06a59ecb921de1d44efcf2cdf543bc689fe2e0d8.tar.gz linux-06a59ecb921de1d44efcf2cdf543bc689fe2e0d8.tar.bz2 linux-06a59ecb921de1d44efcf2cdf543bc689fe2e0d8.zip | |
tcp: use TCP_INIT_CWND in tcp_fixup_sndbuf()
Initial cwnd being 10 (TCP_INIT_CWND) instead of 3, change
tcp_fixup_sndbuf() to get more than 16384 bytes (sysctl_tcp_wmem[1]) in
initial sk_sndbuf
Signed-off-by: Eric Dumazet <eric.dumazet@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'net')
| -rw-r--r-- | net/ipv4/tcp_input.c | 8 |
1 files changed, 3 insertions, 5 deletions
diff --git a/net/ipv4/tcp_input.c b/net/ipv4/tcp_input.c index c1653fe47255..1e848b26c2b9 100644 --- a/net/ipv4/tcp_input.c +++ b/net/ipv4/tcp_input.c @@ -267,11 +267,9 @@ static void tcp_fixup_sndbuf(struct sock *sk) { int sndmem = SKB_TRUESIZE(tcp_sk(sk)->rx_opt.mss_clamp + MAX_TCP_HEADER); - if (sk->sk_sndbuf < 3 * sndmem) { - sk->sk_sndbuf = 3 * sndmem; - if (sk->sk_sndbuf > sysctl_tcp_wmem[2]) - sk->sk_sndbuf = sysctl_tcp_wmem[2]; - } + sndmem *= TCP_INIT_CWND; + if (sk->sk_sndbuf < sndmem) + sk->sk_sndbuf = min(sndmem, sysctl_tcp_wmem[2]); } /* 2. Tuning advertised window (window_clamp, rcv_ssthresh) |