[IPV6]: ADDRCONF: Add accept_ra_pinfo sysctl.
This controls whether we accept Prefix 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 fbcdcc6..631b51d 100644
--- a/net/ipv6/addrconf.c
+++ b/net/ipv6/addrconf.c
@@ -166,6 +166,7 @@
#endif
.max_addresses = IPV6_MAX_ADDRESSES,
.accept_ra_defrtr = 1,
+ .accept_ra_pinfo = 1,
};
static struct ipv6_devconf ipv6_devconf_dflt = {
@@ -188,6 +189,7 @@
#endif
.max_addresses = IPV6_MAX_ADDRESSES,
.accept_ra_defrtr = 1,
+ .accept_ra_pinfo = 1,
};
/* IPv6 Wildcard Address and Loopback Address defined by RFC2553 */
@@ -3119,6 +3121,7 @@
#endif
array[DEVCONF_MAX_ADDRESSES] = cnf->max_addresses;
array[DEVCONF_ACCEPT_RA_DEFRTR] = cnf->accept_ra_defrtr;
+ array[DEVCONF_ACCEPT_RA_PINFO] = cnf->accept_ra_pinfo;
}
static int inet6_fill_ifinfo(struct sk_buff *skb, struct inet6_dev *idev,
@@ -3580,6 +3583,14 @@
.proc_handler = &proc_dointvec,
},
{
+ .ctl_name = NET_IPV6_ACCEPT_RA_PINFO,
+ .procname = "accept_ra_pinfo",
+ .data = &ipv6_devconf.accept_ra_pinfo,
+ .maxlen = sizeof(int),
+ .mode = 0644,
+ .proc_handler = &proc_dointvec,
+ },
+ {
.ctl_name = 0, /* sentinel */
}
},