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ar71xx: local mac support on the wndr3700 

The wndr3700 at least has no eth0 mac address and usually leverages
the first wireless device's mac when in a bridged scenario. If,
however, you want to route, and not bridge the interfaces, you
need a unique mac address for it.

This patch sets the local bit on the mac address pulled from the
wireless chip and uses the resulting address for eth0.

Patch-by: Dave Taht <dave.taht@gmail.com>

git-svn-id: svn://svn.openwrt.org/openwrt/trunk@29675 3c298f89-4303-0410-b956-a3cf2f4a3e73
master
Gabor Juhos 2012-01-07 17:24:44 +00:00
parent 1f6caadd70
commit c64226d2ad
1 changed files with 13 additions and 2 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

15
target/linux/ar71xx/files/arch/mips/ar71xx/mach-wndr3700.c
View File

@ -111,12 +111,23 @@ static struct platform_device wndr3700_rtl8366s_device = {
} }
}; };
/*
* The eth0 and wmac0 interfaces share the same MAC address which
* can lead to problems if operated unbridged. Set the locally
* administered bit on the eth0 MAC to make it unique.
*/
static void __init wndr3700_init_local_mac(unsigned char *mac_base)
{
ar71xx_init_mac(ar71xx_eth0_data.mac_addr, mac_base, 0);
ar71xx_eth0_data.mac_addr[0] |= 0x02;
}
static void __init wndr3700_setup(void) static void __init wndr3700_setup(void)
{ {
u8 *art = (u8 *) KSEG1ADDR(0x1fff0000); u8 *art = (u8 *) KSEG1ADDR(0x1fff0000);
ar71xx_init_mac(ar71xx_eth0_data.mac_addr, wndr3700_init_local_mac(art + WNDR3700_ETH0_MAC_OFFSET);
art + WNDR3700_ETH0_MAC_OFFSET, 0);
ar71xx_eth0_pll_data.pll_1000 = 0x11110000; ar71xx_eth0_pll_data.pll_1000 = 0x11110000;
ar71xx_eth0_data.mii_bus_dev = &wndr3700_rtl8366s_device.dev; ar71xx_eth0_data.mii_bus_dev = &wndr3700_rtl8366s_device.dev;
ar71xx_eth0_data.phy_if_mode = PHY_INTERFACE_MODE_RGMII; ar71xx_eth0_data.phy_if_mode = PHY_INTERFACE_MODE_RGMII;