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| author | Alexander Frolkin <avf@eldamar.org.uk> | 2013-06-13 08:56:15 +0100 |
|---|---|---|
| committer | Simon Horman <horms@verge.net.au> | 2013-06-26 18:01:46 +0900 |
| commit | c6c96c188336b2b95d5f14facd101f1e4165a9d3 (patch) | |
| tree | df08ce0348f8471f9e48487a9ab775237190648e /include/net | |
| parent | bba54de5bdd107d3841b560f1a9cb0ed06e79533 (diff) | |
| download | linux-stable-c6c96c188336b2b95d5f14facd101f1e4165a9d3.tar.gz linux-stable-c6c96c188336b2b95d5f14facd101f1e4165a9d3.tar.bz2 linux-stable-c6c96c188336b2b95d5f14facd101f1e4165a9d3.zip | |
ipvs: sloppy TCP and SCTP
This adds support for sloppy TCP and SCTP modes to IPVS.
When enabled (sysctls net.ipv4.vs.sloppy_tcp and
net.ipv4.vs.sloppy_sctp), allows IPVS to create connection state on any
packet, not just a TCP SYN (or SCTP INIT).
This allows connections to fail over from one IPVS director to another
mid-flight.
Signed-off-by: Alexander Frolkin <avf@eldamar.org.uk>
Signed-off-by: Julian Anastasov <ja@ssi.bg>
Signed-off-by: Simon Horman <horms@verge.net.au>
Diffstat (limited to 'include/net')
| -rw-r--r-- | include/net/ip_vs.h | 24 |
1 files changed, 24 insertions, 0 deletions
diff --git a/include/net/ip_vs.h b/include/net/ip_vs.h index f5faf859876e..95860dfdfbe3 100644 --- a/include/net/ip_vs.h +++ b/include/net/ip_vs.h @@ -978,6 +978,8 @@ struct netns_ipvs { int sysctl_sync_sock_size; int sysctl_cache_bypass; int sysctl_expire_nodest_conn; + int sysctl_sloppy_tcp; + int sysctl_sloppy_sctp; int sysctl_expire_quiescent_template; int sysctl_sync_threshold[2]; unsigned int sysctl_sync_refresh_period; @@ -1020,6 +1022,8 @@ struct netns_ipvs { #define DEFAULT_SYNC_THRESHOLD 3 #define DEFAULT_SYNC_PERIOD 50 #define DEFAULT_SYNC_VER 1 +#define DEFAULT_SLOPPY_TCP 0 +#define DEFAULT_SLOPPY_SCTP 0 #define DEFAULT_SYNC_REFRESH_PERIOD (0U * HZ) #define DEFAULT_SYNC_RETRIES 0 #define IPVS_SYNC_WAKEUP_RATE 8 @@ -1056,6 +1060,16 @@ static inline int sysctl_sync_ver(struct netns_ipvs *ipvs) return ipvs->sysctl_sync_ver; } +static inline int sysctl_sloppy_tcp(struct netns_ipvs *ipvs) +{ + return ipvs->sysctl_sloppy_tcp; +} + +static inline int sysctl_sloppy_sctp(struct netns_ipvs *ipvs) +{ + return ipvs->sysctl_sloppy_sctp; +} + static inline int sysctl_sync_ports(struct netns_ipvs *ipvs) { return ACCESS_ONCE(ipvs->sysctl_sync_ports); @@ -1109,6 +1123,16 @@ static inline int sysctl_sync_ver(struct netns_ipvs *ipvs) return DEFAULT_SYNC_VER; } +static inline int sysctl_sloppy_tcp(struct netns_ipvs *ipvs) +{ + return DEFAULT_SLOPPY_TCP; +} + +static inline int sysctl_sloppy_sctp(struct netns_ipvs *ipvs) +{ + return DEFAULT_SLOPPY_SCTP; +} + static inline int sysctl_sync_ports(struct netns_ipvs *ipvs) { return 1; |