[PATCH] 8139cp: allow to set mac address on running device

Jiri Pirko
2009-03-12T16:27:53Z

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.

Jirka

Signed-off-by: Jiri Pirko <jpirko@redhat.com>

drivers/net/8139cp.c | 24 +++++++++++++++++++++++-
1 files changed, 23 insertions(+), 1 deletions(-)

diff --git a/drivers/net/8139cp.c b/drivers/net/8139cp.c
index 4e19ae3..13b708a 100644
--- a/drivers/net/8139cp.c
+++ b/drivers/net/8139cp.c
@@ -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,