[IPV6]: ROUTE: Add accept_ra_defrtr sysctl.
This controls whether we accept default router information
in RAs.
Signed-off-by: YOSHIFUJI Hideaki <yoshfuji@linux-ipv6.org>
Signed-off-by: David S. Miller <davem@davemloft.net>
diff --git a/net/ipv6/addrconf.c b/net/ipv6/addrconf.c
index 8a8895e..fbcdcc6 100644
--- a/net/ipv6/addrconf.c
+++ b/net/ipv6/addrconf.c
@@ -165,6 +165,7 @@
.max_desync_factor = MAX_DESYNC_FACTOR,
#endif
.max_addresses = IPV6_MAX_ADDRESSES,
+ .accept_ra_defrtr = 1,
};
static struct ipv6_devconf ipv6_devconf_dflt = {
@@ -186,6 +187,7 @@
.max_desync_factor = MAX_DESYNC_FACTOR,
#endif
.max_addresses = IPV6_MAX_ADDRESSES,
+ .accept_ra_defrtr = 1,
};
/* IPv6 Wildcard Address and Loopback Address defined by RFC2553 */
@@ -3116,6 +3118,7 @@
array[DEVCONF_MAX_DESYNC_FACTOR] = cnf->max_desync_factor;
#endif
array[DEVCONF_MAX_ADDRESSES] = cnf->max_addresses;
+ array[DEVCONF_ACCEPT_RA_DEFRTR] = cnf->accept_ra_defrtr;
}
static int inet6_fill_ifinfo(struct sk_buff *skb, struct inet6_dev *idev,
@@ -3569,6 +3572,14 @@
.proc_handler = &proc_dointvec,
},
{
+ .ctl_name = NET_IPV6_ACCEPT_RA_DEFRTR,
+ .procname = "accept_ra_defrtr",
+ .data = &ipv6_devconf.accept_ra_defrtr,
+ .maxlen = sizeof(int),
+ .mode = 0644,
+ .proc_handler = &proc_dointvec,
+ },
+ {
.ctl_name = 0, /* sentinel */
}
},