[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>
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@ -213,6 +213,29 @@ static int macvlan_stop(struct net_device *dev)
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return 0;
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}
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static int macvlan_set_mac_address(struct net_device *dev, void *p)
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{
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struct macvlan_dev *vlan = netdev_priv(dev);
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struct net_device *lowerdev = vlan->lowerdev;
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struct sockaddr *addr = p;
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int err;
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if (!is_valid_ether_addr(addr->sa_data))
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return -EADDRNOTAVAIL;
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if (!(dev->flags & IFF_UP))
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goto out;
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err = dev_unicast_add(lowerdev, addr->sa_data, ETH_ALEN);
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if (err < 0)
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return err;
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dev_unicast_delete(lowerdev, dev->dev_addr, ETH_ALEN);
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out:
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memcpy(dev->dev_addr, addr->sa_data, ETH_ALEN);
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return 0;
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}
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static void macvlan_change_rx_flags(struct net_device *dev, int change)
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{
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struct macvlan_dev *vlan = netdev_priv(dev);
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@ -300,6 +323,7 @@ static void macvlan_setup(struct net_device *dev)
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dev->stop = macvlan_stop;
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dev->change_mtu = macvlan_change_mtu;
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dev->change_rx_flags = macvlan_change_rx_flags;
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dev->set_mac_address = macvlan_set_mac_address;
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dev->set_multicast_list = macvlan_set_multicast_list;
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dev->hard_start_xmit = macvlan_hard_start_xmit;
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dev->destructor = free_netdev;
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