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authorYOSHIFUJI Hideaki <yoshfuji@linux-ipv6.org>2006-03-20 17:05:30 -0800
committerDavid S. Miller <davem@davemloft.net>2006-03-20 17:05:30 -0800
commit930d6ff2e2a5f1538448d3b0b2652a8f0c0f6cba (patch)
tree0ea6ca2d6d04c13bf05100a70a4a21d7cd6eeb82 /net/ipv6
parent270972554c91acd29412d8b6a10e606041012106 (diff)
downloadlinux-930d6ff2e2a5f1538448d3b0b2652a8f0c0f6cba.tar.bz2
[IPV6]: ROUTE: Add accept_ra_rtr_pref sysctl.
Signed-off-by: YOSHIFUJI Hideaki <yoshfuji@linux-ipv6.org> Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'net/ipv6')
-rw-r--r--net/ipv6/addrconf.c19
-rw-r--r--net/ipv6/ndisc.c3
2 files changed, 21 insertions, 1 deletions
diff --git a/net/ipv6/addrconf.c b/net/ipv6/addrconf.c
index 631b51d0ccbc..51edba5fea26 100644
--- a/net/ipv6/addrconf.c
+++ b/net/ipv6/addrconf.c
@@ -167,6 +167,9 @@ struct ipv6_devconf ipv6_devconf = {
.max_addresses = IPV6_MAX_ADDRESSES,
.accept_ra_defrtr = 1,
.accept_ra_pinfo = 1,
+#ifdef CONFIG_IPV6_ROUTER_PREF
+ .accept_ra_rtr_pref = 1,
+#endif
};
static struct ipv6_devconf ipv6_devconf_dflt = {
@@ -190,6 +193,9 @@ static struct ipv6_devconf ipv6_devconf_dflt = {
.max_addresses = IPV6_MAX_ADDRESSES,
.accept_ra_defrtr = 1,
.accept_ra_pinfo = 1,
+#ifdef CONFIG_IPV6_ROUTER_PREF
+ .accept_ra_rtr_pref = 1,
+#endif
};
/* IPv6 Wildcard Address and Loopback Address defined by RFC2553 */
@@ -3122,6 +3128,9 @@ static void inline ipv6_store_devconf(struct ipv6_devconf *cnf,
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;
+#ifdef CONFIG_IPV6_ROUTER_PREF
+ array[DEVCONF_ACCEPT_RA_RTR_PREF] = cnf->accept_ra_rtr_pref;
+#endif
}
static int inet6_fill_ifinfo(struct sk_buff *skb, struct inet6_dev *idev,
@@ -3590,6 +3599,16 @@ static struct addrconf_sysctl_table
.mode = 0644,
.proc_handler = &proc_dointvec,
},
+#ifdef CONFIG_IPV6_ROUTER_PREF
+ {
+ .ctl_name = NET_IPV6_ACCEPT_RA_RTR_PREF,
+ .procname = "accept_ra_rtr_pref",
+ .data = &ipv6_devconf.accept_ra_rtr_pref,
+ .maxlen = sizeof(int),
+ .mode = 0644,
+ .proc_handler = &proc_dointvec,
+ },
+#endif
{
.ctl_name = 0, /* sentinel */
}
diff --git a/net/ipv6/ndisc.c b/net/ipv6/ndisc.c
index 966ab6b3022e..f4462ee33024 100644
--- a/net/ipv6/ndisc.c
+++ b/net/ipv6/ndisc.c
@@ -1090,7 +1090,8 @@ static void ndisc_router_discovery(struct sk_buff *skb)
#ifdef CONFIG_IPV6_ROUTER_PREF
pref = ra_msg->icmph.icmp6_router_pref;
/* 10b is handled as if it were 00b (medium) */
- if (pref == ICMPV6_ROUTER_PREF_INVALID)
+ if (pref == ICMPV6_ROUTER_PREF_INVALID ||
+ in6_dev->cnf.accept_ra_rtr_pref)
pref = ICMPV6_ROUTER_PREF_MEDIUM;
#endif