net/usb/mcs7830: add set_mac_address
Implement set_mac_address for mcs7830. This enables me to use it with my
cable modem.
Signed-off-by: Oliver Martin <oliver.martin@student.tuwien.ac.at>
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
Signed-off-by: Jeff Garzik <jgarzik@redhat.com>
diff --git a/drivers/net/usb/mcs7830.c b/drivers/net/usb/mcs7830.c
index ebf1332..ca9d00c 100644
--- a/drivers/net/usb/mcs7830.c
+++ b/drivers/net/usb/mcs7830.c
@@ -446,6 +446,29 @@
.nway_reset = usbnet_nway_reset,
};
+static int mcs7830_set_mac_address(struct net_device *netdev, void *p)
+{
+ int ret;
+ struct usbnet *dev = netdev_priv(netdev);
+ struct sockaddr *addr = p;
+
+ if (netif_running(netdev))
+ return -EBUSY;
+
+ if (!is_valid_ether_addr(addr->sa_data))
+ return -EINVAL;
+
+ memcpy(netdev->dev_addr, addr->sa_data, netdev->addr_len);
+
+ ret = mcs7830_set_reg(dev, HIF_REG_ETHERNET_ADDR, ETH_ALEN,
+ netdev->dev_addr);
+
+ if (ret < 0)
+ return ret;
+
+ return 0;
+}
+
static int mcs7830_bind(struct usbnet *dev, struct usb_interface *udev)
{
struct net_device *net = dev->net;
@@ -459,6 +482,7 @@
net->ethtool_ops = &mcs7830_ethtool_ops;
net->set_multicast_list = mcs7830_set_multicast;
mcs7830_set_multicast(net);
+ net->set_mac_address = mcs7830_set_mac_address;
/* reserve space for the status byte on rx */
dev->rx_urb_size = ETH_FRAME_LEN + 1;