diff options
| author |   Nikolay Borisov <kernel@kyup.com> | 2016-01-07 16:38:45 +0200 |
|---|---|---|
| committer |   David S. Miller <davem@davemloft.net> | 2016-01-10 17:32:09 -0500 |
| commit | b840d15d39128d08ed4486085e5507d2617b9ae1 (patch) | |
| tree | 33189ee2067bbb204c886affcbca9ac764621f94 /include/net | |
| parent | ipv4: Namespecify tcp_keepalive_probes sysctl knob (diff) | |
| download | linux-dev-b840d15d39128d08ed4486085e5507d2617b9ae1.tar.xz linux-dev-b840d15d39128d08ed4486085e5507d2617b9ae1.zip | |
ipv4: Namespecify the tcp_keepalive_intvl sysctl knob
This is the final part required to namespaceify the tcp
keep alive mechanism.
Signed-off-by: Nikolay Borisov <kernel@kyup.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'include/net')
| -rw-r--r-- | include/net/netns/ipv4.h | 1 | ||||
| -rw-r--r-- | include/net/tcp.h | 5 |
2 files changed, 4 insertions, 2 deletions
diff --git a/include/net/netns/ipv4.h b/include/net/netns/ipv4.h index 6e26ea2d0374..2b7907a35568 100644 --- a/include/net/netns/ipv4.h +++ b/include/net/netns/ipv4.h @@ -96,6 +96,7 @@ struct netns_ipv4 { int sysctl_tcp_keepalive_time; int sysctl_tcp_keepalive_probes; + int sysctl_tcp_keepalive_intvl; struct ping_group_range ping_group_range; diff --git a/include/net/tcp.h b/include/net/tcp.h index 0646521400bf..a80255f4ca33 100644 --- a/include/net/tcp.h +++ b/include/net/tcp.h @@ -240,7 +240,6 @@ extern int sysctl_tcp_timestamps; extern int sysctl_tcp_window_scaling; extern int sysctl_tcp_sack; extern int sysctl_tcp_fin_timeout; -extern int sysctl_tcp_keepalive_intvl; extern int sysctl_tcp_syn_retries; extern int sysctl_tcp_synack_retries; extern int sysctl_tcp_retries1; @@ -1223,7 +1222,9 @@ void tcp_enter_memory_pressure(struct sock *sk); static inline int keepalive_intvl_when(const struct tcp_sock *tp) { - return tp->keepalive_intvl ? : sysctl_tcp_keepalive_intvl; + struct net *net = sock_net((struct sock *)tp); + + return tp->keepalive_intvl ? : net->ipv4.sysctl_tcp_keepalive_intvl; } static inline int keepalive_time_when(const struct tcp_sock *tp) |