diff options
| author |   Haishuang Yan <yanhaishuang@cmss.chinamobile.com> | 2017-09-27 11:35:40 +0800 |
|---|---|---|
| committer |   David S. Miller <davem@davemloft.net> | 2017-10-01 17:55:54 -0700 |
| commit | e1cfcbe82b4534bd0f99fef92a6d33843fd85e0e (patch) | |
| tree | 1a9fde5eff8d55d710fcc0631c7bcc8116ce72c6 /net/ipv4/af_inet.c | |
| parent | Merge branch 'dsa_ptr-port' (diff) | |
| download | linux-dev-e1cfcbe82b4534bd0f99fef92a6d33843fd85e0e.tar.xz linux-dev-e1cfcbe82b4534bd0f99fef92a6d33843fd85e0e.zip | |
ipv4: Namespaceify tcp_fastopen knob
Different namespace application might require enable TCP Fast Open
feature independently of the host.
This patch series continues making more of the TCP Fast Open related
sysctl knobs be per net-namespace.
Reported-by: Luca BRUNO <lucab@debian.org>
Signed-off-by: Haishuang Yan <yanhaishuang@cmss.chinamobile.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to '')
| -rw-r--r-- | net/ipv4/af_inet.c | 7 |
1 files changed, 4 insertions, 3 deletions
diff --git a/net/ipv4/af_inet.c b/net/ipv4/af_inet.c index e31108e5ef79..ddd126d120ac 100644 --- a/net/ipv4/af_inet.c +++ b/net/ipv4/af_inet.c @@ -195,7 +195,7 @@ int inet_listen(struct socket *sock, int backlog) { struct sock *sk = sock->sk; unsigned char old_state; - int err; + int err, tcp_fastopen; lock_sock(sk); @@ -217,8 +217,9 @@ int inet_listen(struct socket *sock, int backlog) * because the socket was in TCP_LISTEN state previously but * was shutdown() rather than close(). */ - if ((sysctl_tcp_fastopen & TFO_SERVER_WO_SOCKOPT1) && - (sysctl_tcp_fastopen & TFO_SERVER_ENABLE) && + tcp_fastopen = sock_net(sk)->ipv4.sysctl_tcp_fastopen; + if ((tcp_fastopen & TFO_SERVER_WO_SOCKOPT1) && + (tcp_fastopen & TFO_SERVER_ENABLE) && !inet_csk(sk)->icsk_accept_queue.fastopenq.max_qlen) { fastopen_queue_tune(sk, backlog); tcp_fastopen_init_key_once(true); |