ipvs: make rerouting optional with snat_reroute
Add new sysctl flag "snat_reroute". Recent kernels use
ip_route_me_harder() to route LVS-NAT responses properly by
VIP when there are multiple paths to client. But setups
that do not have alternative default routes can skip this
routing lookup by using snat_reroute=0.
Signed-off-by: Julian Anastasov <ja@ssi.bg>
Signed-off-by: Patrick McHardy <kaber@trash.net>
diff --git a/include/net/ip_vs.h b/include/net/ip_vs.h
index e8ec523..3915a4f 100644
--- a/include/net/ip_vs.h
+++ b/include/net/ip_vs.h
@@ -801,6 +801,7 @@
extern int sysctl_ip_vs_sync_threshold[2];
extern int sysctl_ip_vs_nat_icmp_send;
extern int sysctl_ip_vs_conntrack;
+extern int sysctl_ip_vs_snat_reroute;
extern struct ip_vs_stats ip_vs_stats;
extern const struct ctl_path net_vs_ctl_path[];