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ipvs: add sysctl to ignore tunneled packets

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This is a way to avoid nasty routing loops when multiple ipvs instances can
forward to eachother.

Signed-off-by: Alex Gartrell <agartrell@fb.com>
Signed-off-by: Simon Horman <horms@verge.net.au>
This commit is contained in:
Alex Gartrell
2015-09-14 23:23:05 -07:00
committed by Simon Horman
parent 5e26b1b3ab
commit 4e478098ac
4 changed files with 37 additions and 1 deletions
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11
include/net/ip_vs.h
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@@ -998,6 +998,7 @@ struct netns_ipvs {
int sysctl_backup_only;
int sysctl_conn_reuse_mode;
int sysctl_schedule_icmp;
int sysctl_ignore_tunneled;
/* ip_vs_lblc */
int sysctl_lblc_expiration;
@@ -1121,6 +1122,11 @@ static inline int sysctl_schedule_icmp(struct netns_ipvs *ipvs)
return ipvs->sysctl_schedule_icmp;
}
static inline int sysctl_ignore_tunneled(struct netns_ipvs *ipvs)
{
return ipvs->sysctl_ignore_tunneled;
}
#else
static inline int sysctl_sync_threshold(struct netns_ipvs *ipvs)
@@ -1198,6 +1204,11 @@ static inline int sysctl_schedule_icmp(struct netns_ipvs *ipvs)
return 0;
}
static inline int sysctl_ignore_tunneled(struct netns_ipvs *ipvs)
{
return 0;
}
#endif
/* IPVS core functions