diff options
Diffstat (limited to 'target/linux/ar71xx/files/arch/mips/ar71xx/devices.c')
| -rw-r--r-- | target/linux/ar71xx/files/arch/mips/ar71xx/devices.c | 28 |
1 files changed, 23 insertions, 5 deletions
diff --git a/target/linux/ar71xx/files/arch/mips/ar71xx/devices.c b/target/linux/ar71xx/files/arch/mips/ar71xx/devices.c index 6f1d2619e..8879448ac 100644 --- a/target/linux/ar71xx/files/arch/mips/ar71xx/devices.c +++ b/target/linux/ar71xx/files/arch/mips/ar71xx/devices.c @@ -22,7 +22,7 @@ #include "devices.h" -static u8 ar71xx_mac_base[ETH_ALEN] __initdata; +unsigned char ar71xx_mac_base[ETH_ALEN] __initdata; static struct resource ar71xx_uart_resources[] = { { @@ -490,10 +490,7 @@ void __init ar71xx_add_device_eth(unsigned int id) break; } - if (is_valid_ether_addr(ar71xx_mac_base)) { - memcpy(pdata->mac_addr, ar71xx_mac_base, ETH_ALEN); - pdata->mac_addr[5] += ar71xx_eth_instance; - } else { + if (!is_valid_ether_addr(pdata->mac_addr)) { random_ether_addr(pdata->mac_addr); printk(KERN_DEBUG "ar71xx: using random MAC address for eth%d\n", @@ -580,3 +577,24 @@ static int __init ar71xx_kmac_setup(char *str) return 1; } __setup("kmac=", ar71xx_kmac_setup); + +void __init ar71xx_init_mac(unsigned char *dst, const unsigned char *src, + unsigned offset) +{ + u32 t; + + if (!is_valid_ether_addr(src)) { + memset(dst, '\0', ETH_ALEN); + return; + } + + t = (((u32) src[3]) << 16) + (((u32) src[4]) << 8) + ((u32) src[5]); + t += offset; + + dst[0] = src[0]; + dst[1] = src[1]; + dst[2] = src[2]; + dst[3] = (t >> 16) & 0xff; + dst[4] = (t >> 8) & 0xff; + dst[5] = t & 0xff; +} |