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authorPatrick McHardy <kaber@trash.net>2007-11-19 22:00:42 -0800
committerDavid S. Miller <davem@davemloft.net>2008-01-28 14:54:23 -0800
commitad5d20a63940fcfb40af76ba06148f36d5d0b433 (patch)
treeaa45929a8fe974db343ee62c24ba8cc32f8b06d2 /drivers
parent59891d53f4a31402f8bd1f8c89e0e2c07d51b2cd (diff)
downloadlinux-ad5d20a63940fcfb40af76ba06148f36d5d0b433.tar.bz2
[MACVLAN]: 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 'drivers')
-rw-r--r--drivers/net/macvlan.c24
1 files changed, 24 insertions, 0 deletions
diff --git a/drivers/net/macvlan.c b/drivers/net/macvlan.c
index 9f4d65c3095f..b7c9791009d0 100644
--- a/drivers/net/macvlan.c
+++ b/drivers/net/macvlan.c
@@ -213,6 +213,29 @@ static int macvlan_stop(struct net_device *dev)
return 0;
}
+static int macvlan_set_mac_address(struct net_device *dev, void *p)
+{
+ struct macvlan_dev *vlan = netdev_priv(dev);
+ struct net_device *lowerdev = vlan->lowerdev;
+ struct sockaddr *addr = p;
+ int err;
+
+ if (!is_valid_ether_addr(addr->sa_data))
+ return -EADDRNOTAVAIL;
+
+ if (!(dev->flags & IFF_UP))
+ goto out;
+
+ err = dev_unicast_add(lowerdev, addr->sa_data, ETH_ALEN);
+ if (err < 0)
+ return err;
+ dev_unicast_delete(lowerdev, dev->dev_addr, ETH_ALEN);
+
+out:
+ memcpy(dev->dev_addr, addr->sa_data, ETH_ALEN);
+ return 0;
+}
+
static void macvlan_change_rx_flags(struct net_device *dev, int change)
{
struct macvlan_dev *vlan = netdev_priv(dev);
@@ -300,6 +323,7 @@ static void macvlan_setup(struct net_device *dev)
dev->stop = macvlan_stop;
dev->change_mtu = macvlan_change_mtu;
dev->change_rx_flags = macvlan_change_rx_flags;
+ dev->set_mac_address = macvlan_set_mac_address;
dev->set_multicast_list = macvlan_set_multicast_list;
dev->hard_start_xmit = macvlan_hard_start_xmit;
dev->destructor = free_netdev;