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authorOliver Hartkopp <socketcan@hartkopp.net>2007-05-23 14:35:31 -0700
committerDavid S. Miller <davem@sunset.davemloft.net>2007-05-24 16:36:44 -0700
commitbbb711e63332d7b43b535381c78b26a66cd60f48 (patch)
treebda65cfb57c6665953f485a1e6cb7d552bfee4d7 /net/ipv6
parent36247f5421015eab0bdd96789b24790598934db9 (diff)
downloadlinux-bbb711e63332d7b43b535381c78b26a66cd60f48.tar.bz2
[IPV6]: Ignore ipv6 events on non-IPV6 capable devices.
Signed-off-by: Oliver Hartkopp <socketcan@hartkopp.net> Signed-off-by: Urs Thuermann <urs@isnogud.escape.de> Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'net/ipv6')
-rw-r--r--net/ipv6/addrconf.c31
1 files changed, 21 insertions, 10 deletions
diff --git a/net/ipv6/addrconf.c b/net/ipv6/addrconf.c
index c7ea248fae2e..329de679ac38 100644
--- a/net/ipv6/addrconf.c
+++ b/net/ipv6/addrconf.c
@@ -2154,15 +2154,6 @@ static void addrconf_dev_config(struct net_device *dev)
ASSERT_RTNL();
- if ((dev->type != ARPHRD_ETHER) &&
- (dev->type != ARPHRD_FDDI) &&
- (dev->type != ARPHRD_IEEE802_TR) &&
- (dev->type != ARPHRD_ARCNET) &&
- (dev->type != ARPHRD_INFINIBAND)) {
- /* Alas, we support only Ethernet autoconfiguration. */
- return;
- }
-
idev = addrconf_add_dev(dev);
if (idev == NULL)
return;
@@ -2250,13 +2241,33 @@ static void addrconf_ip6_tnl_config(struct net_device *dev)
ip6_tnl_add_linklocal(idev);
}
+static int ipv6_hwtype(struct net_device *dev)
+{
+ if ((dev->type == ARPHRD_ETHER) ||
+ (dev->type == ARPHRD_LOOPBACK) ||
+ (dev->type == ARPHRD_SIT) ||
+ (dev->type == ARPHRD_TUNNEL6) ||
+ (dev->type == ARPHRD_FDDI) ||
+ (dev->type == ARPHRD_IEEE802_TR) ||
+ (dev->type == ARPHRD_ARCNET) ||
+ (dev->type == ARPHRD_INFINIBAND))
+ return 1;
+
+ return 0;
+}
+
static int addrconf_notify(struct notifier_block *this, unsigned long event,
void * data)
{
struct net_device *dev = (struct net_device *) data;
- struct inet6_dev *idev = __in6_dev_get(dev);
+ struct inet6_dev *idev;
int run_pending = 0;
+ if (!ipv6_hwtype(dev))
+ return NOTIFY_OK;
+
+ idev = __in6_dev_get(dev);
+
switch(event) {
case NETDEV_REGISTER:
if (!idev) {