Commit 52e16356 authored by YOSHIFUJI Hideaki's avatar YOSHIFUJI Hideaki Committed by David S. Miller
Browse files

[IPV6]: ROUTE: Add router_probe_interval sysctl. 



Signed-off-by: default avatarYOSHIFUJI Hideaki <yoshfuji@linux-ipv6.org>
Signed-off-by: default avatarDavid S. Miller <davem@davemloft.net>
parent 930d6ff2

Documentation/networking/ip-sysctl.txt

+6 −0
Original line number Diff line number Diff line
@@ -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.

include/linux/ipv6.h

+2 −0
Original line number Diff line number Diff line
@@ -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

};

include/linux/sysctl.h

+1 −0
Original line number Diff line number Diff line
@@ -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

};

net/ipv6/addrconf.c

+12 −0
Original line number Diff line number Diff line
@@ -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 */

net/ipv6/route.c

+1 −1
Original line number Diff line number Diff line
@@ -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;