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authorHannes Frederic Sowa <hannes@stressinduktion.org>2013-02-10 03:50:18 +0000
committerDavid S. Miller <davem@davemloft.net>2013-02-11 14:16:26 -0500
commit2c5e89338493882719f8d138f8f2717ee9a04153 (patch)
tree8e07ce9bec7a1b34b69e02849aa35566fa34551e /net/ipv6
parent20314092c1b41894d8c181bf9aa6f022be2416aa (diff)
ipv6: by default join ff01::1 and in case of forwarding ff01::2 and ff05:2
Cc: Erik Hugne <erik.hugne@ericsson.com> Cc: YOSHIFUJI Hideaki <yoshfuji@linux-ipv6.org> Signed-off-by: Hannes Frederic Sowa <hannes@stressinduktion.org> Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'net/ipv6')
-rw-r--r--net/ipv6/addrconf.c15
1 files changed, 13 insertions, 2 deletions
diff --git a/net/ipv6/addrconf.c b/net/ipv6/addrconf.c
index bd9f9360f76..86c235d05ab 100644
--- a/net/ipv6/addrconf.c
+++ b/net/ipv6/addrconf.c
@@ -244,6 +244,9 @@ const struct in6_addr in6addr_any = IN6ADDR_ANY_INIT;
const struct in6_addr in6addr_loopback = IN6ADDR_LOOPBACK_INIT;
const struct in6_addr in6addr_linklocal_allnodes = IN6ADDR_LINKLOCAL_ALLNODES_INIT;
const struct in6_addr in6addr_linklocal_allrouters = IN6ADDR_LINKLOCAL_ALLROUTERS_INIT;
+const struct in6_addr in6addr_interfacelocal_allnodes = IN6ADDR_INTERFACELOCAL_ALLNODES_INIT;
+const struct in6_addr in6addr_interfacelocal_allrouters = IN6ADDR_INTERFACELOCAL_ALLROUTERS_INIT;
+const struct in6_addr in6addr_sitelocal_allrouters = IN6ADDR_SITELOCAL_ALLROUTERS_INIT;
/* Check if a valid qdisc is available */
static inline bool addrconf_qdisc_ok(const struct net_device *dev)
@@ -428,6 +431,9 @@ static struct inet6_dev *ipv6_add_dev(struct net_device *dev)
/* protected by rtnl_lock */
rcu_assign_pointer(dev->ip6_ptr, ndev);
+ /* Join interface-local all-node multicast group */
+ ipv6_dev_mc_inc(dev, &in6addr_interfacelocal_allnodes);
+
/* Join all-node multicast group */
ipv6_dev_mc_inc(dev, &in6addr_linklocal_allnodes);
@@ -611,10 +617,15 @@ static void dev_forward_change(struct inet6_dev *idev)
if (idev->cnf.forwarding)
dev_disable_lro(dev);
if (dev->flags & IFF_MULTICAST) {
- if (idev->cnf.forwarding)
+ if (idev->cnf.forwarding) {
ipv6_dev_mc_inc(dev, &in6addr_linklocal_allrouters);
- else
+ ipv6_dev_mc_inc(dev, &in6addr_interfacelocal_allrouters);
+ ipv6_dev_mc_inc(dev, &in6addr_sitelocal_allrouters);
+ } else {
ipv6_dev_mc_dec(dev, &in6addr_linklocal_allrouters);
+ ipv6_dev_mc_dec(dev, &in6addr_interfacelocal_allrouters);
+ ipv6_dev_mc_dec(dev, &in6addr_sitelocal_allrouters);
+ }
}
list_for_each_entry(ifa, &idev->addr_list, if_list) {