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ibmveth: Add function to enable live MAC address changes 

Add a function that will enable changing the MAC address
of an ibmveth interface while it is still running.

Signed-off-by: Thomas Falcon <tlfalcon@linux.vnet.ibm.com>
Reviewed-by: Jiri Pirko <jiri@resnulli.us>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Thomas Falcon 2015-03-02 11:56:12 -06:00 committed by David S. Miller
parent 71e168b151
commit c77c761fa4
1 changed files with 23 additions and 1 deletions
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24
drivers/net/ethernet/ibm/ibmveth.c
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@ -1327,6 +1327,28 @@ static unsigned long ibmveth_get_desired_dma(struct vio_dev *vdev)
return ret;
}
static int ibmveth_set_mac_addr(struct net_device *dev, void *p)
{
struct ibmveth_adapter *adapter = netdev_priv(dev);
struct sockaddr *addr = p;
u64 mac_address;
int rc;
if (!is_valid_ether_addr(addr->sa_data))
return -EADDRNOTAVAIL;
mac_address = ibmveth_encode_mac_addr(addr->sa_data);
rc = h_change_logical_lan_mac(adapter->vdev->unit_address, mac_address);
if (rc) {
netdev_err(adapter->netdev, "h_change_logical_lan_mac failed with rc=%d\n", rc);
return rc;
}
ether_addr_copy(dev->dev_addr, addr->sa_data);
return 0;
}
static const struct net_device_ops ibmveth_netdev_ops = {
.ndo_open = ibmveth_open,
.ndo_stop = ibmveth_close,
@ -1337,7 +1359,7 @@ static const struct net_device_ops ibmveth_netdev_ops = {
.ndo_fix_features = ibmveth_fix_features,
.ndo_set_features = ibmveth_set_features,
.ndo_validate_addr = eth_validate_addr,
.ndo_set_mac_address = eth_mac_addr,
.ndo_set_mac_address = ibmveth_set_mac_addr,
#ifdef CONFIG_NET_POLL_CONTROLLER
.ndo_poll_controller = ibmveth_poll_controller,
#endif