diff options
| author | Nikolay Borisov <kernel@kyup.com> | 2016-01-07 16:38:44 +0200 |
|---|---|---|
| committer | David S. Miller <davem@davemloft.net> | 2016-01-10 17:32:09 -0500 |
| commit | 9bd6861bd4326e3afd3f14a9ec8a723771fb20bb (patch) | |
| tree | 4ce4ba2445adc7a7ca29cfb36fdb6be0b8c5e91b /include/net | |
| parent | 13b287e8d1cad951634389f85b8c9b816bd3bb1e (diff) | |
| download | lwn-9bd6861bd4326e3afd3f14a9ec8a723771fb20bb.tar.gz lwn-9bd6861bd4326e3afd3f14a9ec8a723771fb20bb.zip | |
ipv4: Namespecify tcp_keepalive_probes sysctl knob
This is required to have full tcp keepalive mechanism namespace
support.
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 9e9bbebaebd1..6e26ea2d0374 100644 --- a/include/net/netns/ipv4.h +++ b/include/net/netns/ipv4.h @@ -95,6 +95,7 @@ struct netns_ipv4 { u32 sysctl_tcp_probe_interval; int sysctl_tcp_keepalive_time; + int sysctl_tcp_keepalive_probes; struct ping_group_range ping_group_range; diff --git a/include/net/tcp.h b/include/net/tcp.h index cb4d4cf25744..0646521400bf 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_probes; extern int sysctl_tcp_keepalive_intvl; extern int sysctl_tcp_syn_retries; extern int sysctl_tcp_synack_retries; @@ -1236,7 +1235,9 @@ static inline int keepalive_time_when(const struct tcp_sock *tp) static inline int keepalive_probes(const struct tcp_sock *tp) { - return tp->keepalive_probes ? : sysctl_tcp_keepalive_probes; + struct net *net = sock_net((struct sock *)tp); + + return tp->keepalive_probes ? : net->ipv4.sysctl_tcp_keepalive_probes; } static inline u32 keepalive_time_elapsed(const struct tcp_sock *tp) |