Sat, Feb 28, 2015 at 06:56:04AM CET, tlfal...@linux.vnet.ibm.com wrote:
>Add a function that will enable changing the MAC address
>of an ibmveth interface while it is still running.
>
>Signed-off-by: Thomas Falcon <tlfal...@linux.vnet.ibm.com>
>---
>v2:
> If h_change_logical_lan_mac fails, dev->dev_addr will not be changed.
>
> drivers/net/ethernet/ibm/ibmveth.c | 25 ++++++++++++++++++++++++-
> 1 file changed, 24 insertions(+), 1 deletion(-)
>
>diff --git a/drivers/net/ethernet/ibm/ibmveth.c
>b/drivers/net/ethernet/ibm/ibmveth.c
>index 21978cc..b6ac676 100644
>--- a/drivers/net/ethernet/ibm/ibmveth.c
>+++ b/drivers/net/ethernet/ibm/ibmveth.c
>@@ -1327,6 +1327,29 @@ 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);
Please do not wrap text in message. For that, 80-char limit does not apply.
>+ 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 +1360,7 @@ 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
>--
>1.8.3.1
>
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