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path: root/drivers/net/usb/asix.c
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Diffstat (limited to 'drivers/net/usb/asix.c')
-rw-r--r--drivers/net/usb/asix.c30
1 files changed, 28 insertions, 2 deletions
diff --git a/drivers/net/usb/asix.c b/drivers/net/usb/asix.c
index 20e34608fa4a..9e05639435f2 100644
--- a/drivers/net/usb/asix.c
+++ b/drivers/net/usb/asix.c
@@ -54,6 +54,7 @@ static const char driver_name [] = "asix";
#define AX_CMD_WRITE_IPG0 0x12
#define AX_CMD_WRITE_IPG1 0x13
#define AX_CMD_READ_NODE_ID 0x13
+#define AX_CMD_WRITE_NODE_ID 0x14
#define AX_CMD_WRITE_IPG2 0x14
#define AX_CMD_WRITE_MULTI_FILTER 0x16
#define AX88172_CMD_READ_NODE_ID 0x17
@@ -165,6 +166,7 @@ static const char driver_name [] = "asix";
/* This structure cannot exceed sizeof(unsigned long [5]) AKA 20 bytes */
struct asix_data {
u8 multi_filter[AX_MCAST_FILTER_SIZE];
+ u8 mac_addr[ETH_ALEN];
u8 phymode;
u8 ledmode;
u8 eeprom_len;
@@ -732,6 +734,30 @@ static int asix_ioctl (struct net_device *net, struct ifreq *rq, int cmd)
return generic_mii_ioctl(&dev->mii, if_mii(rq), cmd, NULL);
}
+static int asix_set_mac_address(struct net_device *net, void *p)
+{
+ struct usbnet *dev = netdev_priv(net);
+ struct asix_data *data = (struct asix_data *)&dev->data;
+ struct sockaddr *addr = p;
+
+ if (netif_running(net))
+ return -EBUSY;
+ if (!is_valid_ether_addr(addr->sa_data))
+ return -EADDRNOTAVAIL;
+
+ memcpy(net->dev_addr, addr->sa_data, ETH_ALEN);
+
+ /* We use the 20 byte dev->data
+ * for our 6 byte mac buffer
+ * to avoid allocating memory that
+ * is tricky to free later */
+ memcpy(data->mac_addr, addr->sa_data, ETH_ALEN);
+ asix_write_cmd_async(dev, AX_CMD_WRITE_NODE_ID, 0, 0, ETH_ALEN,
+ data->mac_addr);
+
+ return 0;
+}
+
/* We need to override some ethtool_ops so we require our
own structure so we don't interfere with other usbnet
devices that may be connected at the same time. */
@@ -919,7 +945,7 @@ static const struct net_device_ops ax88772_netdev_ops = {
.ndo_start_xmit = usbnet_start_xmit,
.ndo_tx_timeout = usbnet_tx_timeout,
.ndo_change_mtu = usbnet_change_mtu,
- .ndo_set_mac_address = eth_mac_addr,
+ .ndo_set_mac_address = asix_set_mac_address,
.ndo_validate_addr = eth_validate_addr,
.ndo_do_ioctl = asix_ioctl,
.ndo_set_multicast_list = asix_set_multicast,
@@ -1213,7 +1239,7 @@ static const struct net_device_ops ax88178_netdev_ops = {
.ndo_stop = usbnet_stop,
.ndo_start_xmit = usbnet_start_xmit,
.ndo_tx_timeout = usbnet_tx_timeout,
- .ndo_set_mac_address = eth_mac_addr,
+ .ndo_set_mac_address = asix_set_mac_address,
.ndo_validate_addr = eth_validate_addr,
.ndo_set_multicast_list = asix_set_multicast,
.ndo_do_ioctl = asix_ioctl,