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8139cp: allow to set mac address on running device 

So far there was not a chance to set a mac address on running 8139cp device.
This is for example needed when you want to use this NIC as a bonding slave in
bonding device in mode balance-alb. This simple patch allows it.

Signed-off-by: Jiri Pirko <jpirko@redhat.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Jiri Pirko 2009-03-13 11:47:48 -07:00 committed by David S. Miller
parent 6fc791ee63
commit c048aaf4ca
1 changed files with 23 additions and 1 deletions
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24
drivers/net/8139cp.c
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@ -1602,6 +1602,28 @@ static int cp_ioctl (struct net_device *dev, struct ifreq *rq, int cmd)
return rc;
}
static int cp_set_mac_address(struct net_device *dev, void *p)
{
struct cp_private *cp = netdev_priv(dev);
struct sockaddr *addr = p;
if (!is_valid_ether_addr(addr->sa_data))
return -EADDRNOTAVAIL;
memcpy(dev->dev_addr, addr->sa_data, dev->addr_len);
spin_lock_irq(&cp->lock);
cpw8_f(Cfg9346, Cfg9346_Unlock);
cpw32_f(MAC0 + 0, le32_to_cpu (*(__le32 *) (dev->dev_addr + 0)));
cpw32_f(MAC0 + 4, le32_to_cpu (*(__le32 *) (dev->dev_addr + 4)));
cpw8_f(Cfg9346, Cfg9346_Lock);
spin_unlock_irq(&cp->lock);
return 0;
}
/* Serial EEPROM section. */
/* EEPROM_Ctrl bits. */
@ -1821,7 +1843,7 @@ static const struct net_device_ops cp_netdev_ops = {
.ndo_open = cp_open,
.ndo_stop = cp_close,
.ndo_validate_addr = eth_validate_addr,
.ndo_set_mac_address = eth_mac_addr,
.ndo_set_mac_address = cp_set_mac_address,
.ndo_set_multicast_list = cp_set_rx_mode,
.ndo_get_stats = cp_get_stats,
.ndo_do_ioctl = cp_ioctl,