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r8169: mac address change support 

Merged from Realtek's r8169-6.001 driver.

I have added some locking to protect against the arp monitoring
timer in the bonding driver. Accessing the configuration registers
is otherwise performed under RTNL locking.

Signed-off-by: Francois Romieu <romieu@fr.zoreil.com>
Cc: Edward Hsu <edward_hsu@realtek.com.tw>
This commit is contained in:
Francois Romieu 2007-01-31 23:47:43 +01:00 committed by Jeff Garzik
parent 96b9709c9b
commit 773d202194
1 changed files with 36 additions and 0 deletions
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36
drivers/net/r8169.c
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@ -182,6 +182,7 @@ static struct {
enum rtl_registers {
MAC0 = 0, /* Ethernet hardware address. */
MAC4 = 4,
MAR0 = 8, /* Multicast filter. */
CounterAddrLow = 0x10,
CounterAddrHigh = 0x14,
@ -1379,6 +1380,40 @@ static void rtl8169_init_phy(struct net_device *dev, struct rtl8169_private *tp)
printk(KERN_INFO PFX "%s: TBI auto-negotiating\n", dev->name);
}
static void rtl_rar_set(struct rtl8169_private *tp, u8 *addr)
{
void __iomem *ioaddr = tp->mmio_addr;
u32 high;
u32 low;
low = addr[0] | (addr[1] << 8) | (addr[2] << 16) | (addr[3] << 24);
high = addr[4] | (addr[5] << 8);
spin_lock_irq(&tp->lock);
RTL_W8(Cfg9346, Cfg9346_Unlock);
RTL_W32(MAC0, low);
RTL_W32(MAC4, high);
RTL_W8(Cfg9346, Cfg9346_Lock);
spin_unlock_irq(&tp->lock);
}
static int rtl_set_mac_address(struct net_device *dev, void *p)
{
struct rtl8169_private *tp = 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);
rtl_rar_set(tp, dev->dev_addr);
return 0;
}
static int rtl8169_ioctl(struct net_device *dev, struct ifreq *ifr, int cmd)
{
struct rtl8169_private *tp = netdev_priv(dev);
@ -1610,6 +1645,7 @@ rtl8169_init_one(struct pci_dev *pdev, const struct pci_device_id *ent)
dev->irq = pdev->irq;
dev->base_addr = (unsigned long) ioaddr;
dev->change_mtu = rtl8169_change_mtu;
dev->set_mac_address = rtl_set_mac_address;
#ifdef CONFIG_R8169_NAPI
dev->poll = rtl8169_poll;