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| author | Jiri Pirko <jpirko@redhat.com> | 2009-03-13 11:47:48 -0700 |
|---|---|---|
| committer | David S. Miller <davem@davemloft.net> | 2009-03-13 11:47:48 -0700 |
| commit | c048aaf4ca854fa67a3bfa9dab5b9ddc5083b3b7 (patch) | |
| tree | 78952a5546444d3f79c66a50fa084164c4d422dd /drivers/net | |
| parent | 6fc791ee631728b2beddda87560f1af59e32230e (diff) | |
| download | kernel-crypto-c048aaf4ca854fa67a3bfa9dab5b9ddc5083b3b7.tar.gz kernel-crypto-c048aaf4ca854fa67a3bfa9dab5b9ddc5083b3b7.tar.xz kernel-crypto-c048aaf4ca854fa67a3bfa9dab5b9ddc5083b3b7.zip | |
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>
Diffstat (limited to 'drivers/net')
| -rw-r--r-- | 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 35517b06ec3..a09e3a7cac4 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, |