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authorEric Dumazet <edumazet@google.com>2017-10-27 07:47:26 -0700
committerDavid S. Miller <davem@davemloft.net>2017-10-28 19:24:38 +0900
commitb530b68148301d73775cd27cc136ce4dd5738ae8 (patch)
tree17b24c9b241619498bcae2ff8049653ae4ea46ed /net/ipv4/tcp_ipv4.c
parenttcp: Namespace-ify sysctl_tcp_limit_output_bytes (diff)
downloadlinux-dev-b530b68148301d73775cd27cc136ce4dd5738ae8.tar.xz
linux-dev-b530b68148301d73775cd27cc136ce4dd5738ae8.zip
tcp: Namespace-ify sysctl_tcp_challenge_ack_limit
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.c2
1 files changed, 2 insertions, 0 deletions
diff --git a/net/ipv4/tcp_ipv4.c b/net/ipv4/tcp_ipv4.c
index 713b80261e4f..50ab3a3eced3 100644
--- a/net/ipv4/tcp_ipv4.c
+++ b/net/ipv4/tcp_ipv4.c
@@ -2501,6 +2501,8 @@ static int __net_init tcp_sk_init(struct net *net)
net->ipv4.sysctl_tcp_tso_win_divisor = 3;
/* Default TSQ limit of four TSO segments */
net->ipv4.sysctl_tcp_limit_output_bytes = 262144;
+ /* rfc5961 challenge ack rate limiting */
+ net->ipv4.sysctl_tcp_challenge_ack_limit = 1000;
net->ipv4.sysctl_tcp_fastopen = TFO_CLIENT_ENABLE;
spin_lock_init(&net->ipv4.tcp_fastopen_ctx_lock);