/**
* eth_mac_addr - set new Ethernet hardware address
* @dev: network device
* @p: socket address
*
* Change hardware address of device.
*
* This doesn't change hardware matching, so needs to be overridden
* for most real devices.
*/
int eth_mac_addr(struct net_device *dev, void *p)
{
int ret;
ret = eth_prepare_mac_addr_change(dev, p);
if (ret < 0)
return ret;
eth_commit_mac_addr_change(dev, p);
return 0;
}
static int bgmac_set_mac_address(struct net_device *net_dev, void *addr)
{
struct bgmac *bgmac = netdev_priv(net_dev);
int ret;
ret = eth_prepare_mac_addr_change(net_dev, addr);
if (ret < 0)
return ret;
bgmac_write_mac_address(bgmac, (u8 *)addr);
eth_commit_mac_addr_change(net_dev, addr);
return 0;
}
/* disallow addresses which may be confused with IP headers */
static int qmi_wwan_mac_addr(struct net_device *dev, void *p)
{
int ret;
struct sockaddr *addr = p;
ret = eth_prepare_mac_addr_change(dev, p);
if (ret < 0)
return ret;
if (possibly_iphdr(addr->sa_data))
return -EADDRNOTAVAIL;
eth_commit_mac_addr_change(dev, p);
return 0;
}
static int bgmac_set_mac_address(struct net_device *net_dev, void *addr)
{
struct bgmac *bgmac = netdev_priv(net_dev);
struct sockaddr *sa = addr;
int ret;
ret = eth_prepare_mac_addr_change(net_dev, addr);
if (ret < 0)
return ret;
ether_addr_copy(net_dev->dev_addr, sa->sa_data);
bgmac_write_mac_address(bgmac, net_dev->dev_addr);
eth_commit_mac_addr_change(net_dev, addr);
return 0;
}