[IPV6]: ROUTE: Add router_probe_interval sysctl.

[GitHub/mt8127/android_kernel_alcatel_ttab.git] / net / ipv6 / addrconf.c

diff --git a/net/ipv6/addrconf.c b/net/ipv6/addrconf.c
index 51edba5fea26525603237492f6fdf6cd94e9c9f2..e7add61e6e395896043f9ab413aa78e89578f184 100644 (file)
--- a/net/ipv6/addrconf.c
+++ b/net/ipv6/addrconf.c
@@ -169,6 +169,7 @@ struct ipv6_devconf ipv6_devconf = {
        .accept_ra_pinfo        = 1,
 #ifdef CONFIG_IPV6_ROUTER_PREF
        .accept_ra_rtr_pref     = 1,
+       .rtr_probe_interval     = 60 * HZ,
 #endif
 };
 
@@ -195,6 +196,7 @@ static struct ipv6_devconf ipv6_devconf_dflt = {
        .accept_ra_pinfo        = 1,
 #ifdef CONFIG_IPV6_ROUTER_PREF
        .accept_ra_rtr_pref     = 1,
+       .rtr_probe_interval     = 60 * HZ,
 #endif
 };
 
@@ -3130,6 +3132,7 @@ static void inline ipv6_store_devconf(struct ipv6_devconf *cnf,
        array[DEVCONF_ACCEPT_RA_PINFO] = cnf->accept_ra_pinfo;
 #ifdef CONFIG_IPV6_ROUTER_PREF
        array[DEVCONF_ACCEPT_RA_RTR_PREF] = cnf->accept_ra_rtr_pref;
+       array[DEVCONF_RTR_PROBE_INTERVAL] = cnf->rtr_probe_interval;
 #endif
 }
 
@@ -3608,6 +3611,15 @@ static struct addrconf_sysctl_table
                        .mode           =       0644,
                        .proc_handler   =       &proc_dointvec,
                },
+               {
+                       .ctl_name       =       NET_IPV6_RTR_PROBE_INTERVAL,
+                       .procname       =       "router_probe_interval",
+                       .data           =       &ipv6_devconf.rtr_probe_interval,
+                       .maxlen         =       sizeof(int),
+                       .mode           =       0644,
+                       .proc_handler   =       &proc_dointvec_jiffies,
+                       .strategy       =       &sysctl_jiffies,
+               },
 #endif
                {
                        .ctl_name       =       0,      /* sentinel */