diff options
| author | Patrick McHardy <kaber@trash.net> | 2007-11-19 22:00:42 -0800 |
|---|---|---|
| committer | David S. Miller <davem@davemloft.net> | 2008-01-28 14:54:23 -0800 |
| commit | ad5d20a63940fcfb40af76ba06148f36d5d0b433 (patch) | |
| tree | aa45929a8fe974db343ee62c24ba8cc32f8b06d2 /drivers | |
| parent | 59891d53f4a31402f8bd1f8c89e0e2c07d51b2cd (diff) | |
| download | linux-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.c | 24 |
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; |