aboutsummaryrefslogtreecommitdiff
path: root/net/8021q/vlan_dev.c
diff options
context:
space:
mode:
authorPatrick McHardy <kaber@trash.net>2007-11-10 21:52:35 -0800
committerDavid S. Miller <davem@davemloft.net>2007-11-10 21:52:35 -0800
commit39aaac114e192bce500204f9c9e1fffff4c2b519 (patch)
tree621162d1a301677460c8724472ae187cfa4b2a1e /net/8021q/vlan_dev.c
parentd932e04a5e7b146c5f9bf517714b986a432a7594 (diff)
[VLAN]: Allow setting mac address while device is up
Signed-off-by: Patrick McHardy <kaber@trash.net> Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'net/8021q/vlan_dev.c')
-rw-r--r--net/8021q/vlan_dev.c26
1 files changed, 26 insertions, 0 deletions
diff --git a/net/8021q/vlan_dev.c b/net/8021q/vlan_dev.c
index 1a1740aa9a8..7a36878241d 100644
--- a/net/8021q/vlan_dev.c
+++ b/net/8021q/vlan_dev.c
@@ -665,6 +665,32 @@ int vlan_dev_stop(struct net_device *dev)
return 0;
}
+int vlan_set_mac_address(struct net_device *dev, void *p)
+{
+ struct net_device *real_dev = VLAN_DEV_INFO(dev)->real_dev;
+ struct sockaddr *addr = p;
+ int err;
+
+ if (!is_valid_ether_addr(addr->sa_data))
+ return -EADDRNOTAVAIL;
+
+ if (!(dev->flags & IFF_UP))
+ goto out;
+
+ if (compare_ether_addr(addr->sa_data, real_dev->dev_addr)) {
+ err = dev_unicast_add(real_dev, addr->sa_data, ETH_ALEN);
+ if (err < 0)
+ return err;
+ }
+
+ if (compare_ether_addr(dev->dev_addr, real_dev->dev_addr))
+ dev_unicast_delete(real_dev, dev->dev_addr, ETH_ALEN);
+
+out:
+ memcpy(dev->dev_addr, addr->sa_data, ETH_ALEN);
+ return 0;
+}
+
int vlan_dev_ioctl(struct net_device *dev, struct ifreq *ifr, int cmd)
{
struct net_device *real_dev = VLAN_DEV_INFO(dev)->real_dev;