[PATCH 07/30] ipvs: add schedule_icmp sysctl

[Pablo Neira Ayuso]

From: Alex Gartrell <agartr...@fb.com>

This sysctl will be used to enable the scheduling of icmp packets.

Signed-off-by: Alex Gartrell <agartr...@fb.com>
Acked-by: Julian Anastasov <j...@ssi.bg>
Signed-off-by: Simon Horman <ho...@verge.net.au>
---
 include/net/ip_vs.h            |   11 +++++++++++
 net/netfilter/ipvs/ip_vs_ctl.c |    8 +++++++-
 2 files changed, 18 insertions(+), 1 deletion(-)

diff --git a/include/net/ip_vs.h b/include/net/ip_vs.h
index ba90729..47677f0 100644
--- a/include/net/ip_vs.h
+++ b/include/net/ip_vs.h
@@ -997,6 +997,7 @@ struct netns_ipvs {
        int                     sysctl_pmtu_disc;
        int                     sysctl_backup_only;
        int                     sysctl_conn_reuse_mode;
+       int                     sysctl_schedule_icmp;
 
        /* ip_vs_lblc */
        int                     sysctl_lblc_expiration;
@@ -1115,6 +1116,11 @@ static inline int sysctl_conn_reuse_mode(struct 
netns_ipvs *ipvs)
        return ipvs->sysctl_conn_reuse_mode;
 }
 
+static inline int sysctl_schedule_icmp(struct netns_ipvs *ipvs)
+{
+       return ipvs->sysctl_schedule_icmp;
+}
+
 #else
 
 static inline int sysctl_sync_threshold(struct netns_ipvs *ipvs)
@@ -1187,6 +1193,11 @@ static inline int sysctl_conn_reuse_mode(struct 
netns_ipvs *ipvs)
        return 1;
 }
 
+static inline int sysctl_schedule_icmp(struct netns_ipvs *ipvs)
+{
+       return 0;
+}
+
 #endif
 
 /* IPVS core functions
diff --git a/net/netfilter/ipvs/ip_vs_ctl.c b/net/netfilter/ipvs/ip_vs_ctl.c
index 1a23e91..31d80e2 100644
--- a/net/netfilter/ipvs/ip_vs_ctl.c
+++ b/net/netfilter/ipvs/ip_vs_ctl.c
@@ -1844,6 +1844,12 @@ static struct ctl_table vs_vars[] = {
                .mode           = 0644,
                .proc_handler   = proc_dointvec,
        },
+       {
+               .procname       = "schedule_icmp",
+               .maxlen         = sizeof(int),
+               .mode           = 0644,
+               .proc_handler   = proc_dointvec,
+       },
 #ifdef CONFIG_IP_VS_DEBUG
        {
                .procname       = "debug_level",
@@ -3895,7 +3901,7 @@ static int __net_init 
ip_vs_control_net_init_sysctl(struct net *net)
        tbl[idx++].data = &ipvs->sysctl_backup_only;
        ipvs->sysctl_conn_reuse_mode = 1;
        tbl[idx++].data = &ipvs->sysctl_conn_reuse_mode;
-
+       tbl[idx++].data = &ipvs->sysctl_schedule_icmp;
 
        ipvs->sysctl_hdr = register_net_sysctl(net, "net/ipv4/vs", tbl);
        if (ipvs->sysctl_hdr == NULL) {
-- 
1.7.10.4

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