diff options
| author | Haishuang Yan <yanhaishuang@cmss.chinamobile.com> | 2016-12-28 10:52:32 +0100 |
|---|---|---|
| committer | David S. Miller <davem@davemloft.net> | 2016-12-29 17:38:31 +0100 |
| commit | 1946e672c173559155a3e210fe95dbf8b7b8ddf7 (patch) | |
| tree | 0d794dc28150aac130c2e6dd0024cb3a4a5ec594 /include/net | |
| parent | net: Use kmemdup instead of kmalloc and memcpy (diff) | |
| download | linux-1946e672c173559155a3e210fe95dbf8b7b8ddf7.tar.xz linux-1946e672c173559155a3e210fe95dbf8b7b8ddf7.zip | |
ipv4: Namespaceify tcp_tw_recycle and tcp_max_tw_buckets knob
Different namespace application might require fast recycling
TIME-WAIT sockets independently of the host.
Signed-off-by: Haishuang Yan <yanhaishuang@cmss.chinamobile.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'include/net')
| -rw-r--r-- | include/net/inet_timewait_sock.h | 13 | ||||
| -rw-r--r-- | include/net/netns/ipv4.h | 11 | ||||
| -rw-r--r-- | include/net/tcp.h | 1 |
3 files changed, 12 insertions, 13 deletions
diff --git a/include/net/inet_timewait_sock.h b/include/net/inet_timewait_sock.h index c9b3eb70f340..6a75d67a30fd 100644 --- a/include/net/inet_timewait_sock.h +++ b/include/net/inet_timewait_sock.h @@ -29,16 +29,6 @@ #include <linux/atomic.h> -struct inet_hashinfo; - -struct inet_timewait_death_row { - atomic_t tw_count; - - struct inet_hashinfo *hashinfo ____cacheline_aligned_in_smp; - int sysctl_tw_recycle; - int sysctl_max_tw_buckets; -}; - struct inet_bind_bucket; /* @@ -125,8 +115,7 @@ static inline void inet_twsk_reschedule(struct inet_timewait_sock *tw, int timeo void inet_twsk_deschedule_put(struct inet_timewait_sock *tw); -void inet_twsk_purge(struct inet_hashinfo *hashinfo, - struct inet_timewait_death_row *twdr, int family); +void inet_twsk_purge(struct inet_hashinfo *hashinfo, int family); static inline struct net *twsk_net(const struct inet_timewait_sock *twsk) diff --git a/include/net/netns/ipv4.h b/include/net/netns/ipv4.h index 0378e88f6fd3..fffd38453985 100644 --- a/include/net/netns/ipv4.h +++ b/include/net/netns/ipv4.h @@ -27,6 +27,16 @@ struct ping_group_range { kgid_t range[2]; }; +struct inet_hashinfo; + +struct inet_timewait_death_row { + atomic_t tw_count; + + struct inet_hashinfo *hashinfo ____cacheline_aligned_in_smp; + int sysctl_tw_recycle; + int sysctl_max_tw_buckets; +}; + struct netns_ipv4 { #ifdef CONFIG_SYSCTL struct ctl_table_header *forw_hdr; @@ -111,6 +121,7 @@ struct netns_ipv4 { int sysctl_tcp_fin_timeout; unsigned int sysctl_tcp_notsent_lowat; int sysctl_tcp_tw_reuse; + struct inet_timewait_death_row tcp_death_row; int sysctl_igmp_max_memberships; int sysctl_igmp_max_msf; diff --git a/include/net/tcp.h b/include/net/tcp.h index 6061963cca98..1da0aa724929 100644 --- a/include/net/tcp.h +++ b/include/net/tcp.h @@ -231,7 +231,6 @@ void tcp_time_wait(struct sock *sk, int state, int timeo); */ #define TFO_SERVER_WO_SOCKOPT1 0x400 -extern struct inet_timewait_death_row tcp_death_row; /* sysctl variables for tcp */ extern int sysctl_tcp_timestamps; |