diff options
| author | Ruben Vandeginste <snowbender@gmail.com> | 2007-03-26 23:43:49 +0200 |
|---|---|---|
| committer | David S. Miller <davem@davemloft.net> | 2007-03-26 23:43:49 +0200 |
| commit | 09c72ec8ed8f7499d115309a6e19cd5e66808d88 (patch) | |
| tree | 0459dca4e9b04f8f44c914af744e940da5edb36a /drivers | |
| parent | [IPV4] fib_trie: Document locking. (diff) | |
| download | linux-09c72ec8ed8f7499d115309a6e19cd5e66808d88.tar.xz linux-09c72ec8ed8f7499d115309a6e19cd5e66808d88.zip | |
[SUNGEM]: Fix MAC address setting when interface is up.
This patch implements set_mac_address for the sungem driver. This
allows changing the mac address of the interface, even when the
interface is up.
Signed-off-by: Ruben Vandeginste <snowbender@gmail.com>
Signed-off-by: Benjamin Herrenschmidt <benh@kernel.crashing.org>
Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'drivers')
| -rw-r--r-- | drivers/net/sungem.c | 30 |
1 files changed, 30 insertions, 0 deletions
diff --git a/drivers/net/sungem.c b/drivers/net/sungem.c index 616be8d0fa85..08ea61db46fe 100644 --- a/drivers/net/sungem.c +++ b/drivers/net/sungem.c @@ -2530,6 +2530,35 @@ static struct net_device_stats *gem_get_stats(struct net_device *dev) return &gp->net_stats; } +static int gem_set_mac_address(struct net_device *dev, void *addr) +{ + struct sockaddr *macaddr = (struct sockaddr *) addr; + struct gem *gp = dev->priv; + unsigned char *e = &dev->dev_addr[0]; + + if (!is_valid_ether_addr(macaddr->sa_data)) + return -EADDRNOTAVAIL; + + if (!netif_running(dev) || !netif_device_present(dev)) { + /* We'll just catch it later when the + * device is up'd or resumed. + */ + memcpy(dev->dev_addr, macaddr->sa_data, dev->addr_len); + return 0; + } + + mutex_lock(&gp->pm_mutex); + memcpy(dev->dev_addr, macaddr->sa_data, dev->addr_len); + if (gp->running) { + writel((e[4] << 8) | e[5], gp->regs + MAC_ADDR0); + writel((e[2] << 8) | e[3], gp->regs + MAC_ADDR1); + writel((e[0] << 8) | e[1], gp->regs + MAC_ADDR2); + } + mutex_unlock(&gp->pm_mutex); + + return 0; +} + static void gem_set_multicast(struct net_device *dev) { struct gem *gp = dev->priv; @@ -3122,6 +3151,7 @@ static int __devinit gem_init_one(struct pci_dev *pdev, dev->change_mtu = gem_change_mtu; dev->irq = pdev->irq; dev->dma = 0; + dev->set_mac_address = gem_set_mac_address; #ifdef CONFIG_NET_POLL_CONTROLLER dev->poll_controller = gem_poll_controller; #endif |