提交 52e16356 编写于 作者: Y YOSHIFUJI Hideaki 提交者: David S. Miller

[IPV6]: ROUTE: Add router_probe_interval sysctl.

Signed-off-by: NYOSHIFUJI Hideaki <yoshfuji@linux-ipv6.org>
Signed-off-by: NDavid S. Miller <davem@davemloft.net>
上级 930d6ff2
......@@ -789,6 +789,12 @@ mtu - INTEGER
Default Maximum Transfer Unit
Default: 1280 (IPv6 required minimum)
router_probe_interval - INTEGER
Minimum interval (in seconds) between Router Probing described
in RFC4191.
Default: 60
router_solicitation_delay - INTEGER
Number of seconds to wait after interface is brought up
before sending Router Solicitations.
......
......@@ -149,6 +149,7 @@ struct ipv6_devconf {
__s32 accept_ra_pinfo;
#ifdef CONFIG_IPV6_ROUTER_PREF
__s32 accept_ra_rtr_pref;
__s32 rtr_probe_interval;
#endif
void *sysctl;
};
......@@ -175,6 +176,7 @@ enum {
DEVCONF_ACCEPT_RA_DEFRTR,
DEVCONF_ACCEPT_RA_PINFO,
DEVCONF_ACCEPT_RA_RTR_PREF,
DEVCONF_RTR_PROBE_INTERVAL,
DEVCONF_MAX
};
......
......@@ -534,6 +534,7 @@ enum {
NET_IPV6_ACCEPT_RA_DEFRTR=18,
NET_IPV6_ACCEPT_RA_PINFO=19,
NET_IPV6_ACCEPT_RA_RTR_PREF=20,
NET_IPV6_RTR_PROBE_INTERVAL=21,
__NET_IPV6_MAX
};
......
......@@ -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 */
......
......@@ -234,7 +234,7 @@ static void rt6_probe(struct rt6_info *rt)
return;
read_lock_bh(&neigh->lock);
if (!(neigh->nud_state & NUD_VALID) &&
time_after(jiffies, neigh->updated + 60 * HZ)) {
time_after(jiffies, neigh->updated + rt->rt6i_idev->cnf.rtr_probe_interval)) {
struct in6_addr mcaddr;
struct in6_addr *target;
......
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