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asix: fix setting mac address for AX88772

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Setting new MAC address only worked when device was set to promiscuous mode.
Fix MAC address by writing new address to device using undocumented command
AX_CMD_READ_NODE_ID+1. Patch is tested with AX88772 device.

Signed-off-by: Jussi Kivilinna <jussi.kivilinna@mbnet.fi>
Acked-by: David Hollis <dhollis@davehollis.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Jussi Kivilinna 2010-03-09 12:24:38 +00:00 committed by David S. Miller
parent 2b4c32972b
commit 7f29a3baa8
1 changed files with 28 additions and 2 deletions
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30
drivers/net/usb/asix.c
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@ -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,