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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>
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1 changed files with 23 additions and 1 deletions
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@ -1327,6 +1327,28 @@ static unsigned long ibmveth_get_desired_dma(struct vio_dev *vdev)
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return ret;
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}
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static int ibmveth_set_mac_addr(struct net_device *dev, void *p)
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{
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struct ibmveth_adapter *adapter = netdev_priv(dev);
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struct sockaddr *addr = p;
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u64 mac_address;
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int rc;
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if (!is_valid_ether_addr(addr->sa_data))
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return -EADDRNOTAVAIL;
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mac_address = ibmveth_encode_mac_addr(addr->sa_data);
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rc = h_change_logical_lan_mac(adapter->vdev->unit_address, mac_address);
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if (rc) {
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netdev_err(adapter->netdev, "h_change_logical_lan_mac failed with rc=%d\n", rc);
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return rc;
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}
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ether_addr_copy(dev->dev_addr, addr->sa_data);
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return 0;
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}
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static const struct net_device_ops ibmveth_netdev_ops = {
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.ndo_open = ibmveth_open,
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.ndo_stop = ibmveth_close,
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@ -1337,7 +1359,7 @@ static const struct net_device_ops ibmveth_netdev_ops = {
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.ndo_fix_features = ibmveth_fix_features,
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.ndo_set_features = ibmveth_set_features,
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.ndo_validate_addr = eth_validate_addr,
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.ndo_set_mac_address = eth_mac_addr,
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.ndo_set_mac_address = ibmveth_set_mac_addr,
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#ifdef CONFIG_NET_POLL_CONTROLLER
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.ndo_poll_controller = ibmveth_poll_controller,
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#endif
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