diff options
Diffstat (limited to 'net/eth.c')
| -rw-r--r-- | net/eth.c | 18 |
1 files changed, 16 insertions, 2 deletions
@@ -62,6 +62,15 @@ int eth_getenv_enetaddr_by_index(const char *base_name, int index, return eth_getenv_enetaddr(enetvar, enetaddr); } +int eth_setenv_enetaddr_by_index(const char *base_name, int index, + uchar *enetaddr) +{ + char enetvar[32]; + sprintf(enetvar, index ? "%s%daddr" : "%saddr", base_name, index); + return eth_setenv_enetaddr(enetvar, enetaddr); +} + + static int eth_mac_skip(int index) { char enetvar[15]; @@ -172,8 +181,13 @@ int eth_write_hwaddr(struct eth_device *dev, const char *base_name, unsigned char env_enetaddr[6]; int ret = 0; - eth_getenv_enetaddr_by_index(base_name, eth_number, env_enetaddr); - + if (!eth_getenv_enetaddr_by_index(base_name, eth_number, env_enetaddr)) { + if (!is_valid_ether_addr(dev->enetaddr)) + return -1; + eth_setenv_enetaddr_by_index(base_name, eth_number, + dev->enetaddr); + memcpy(env_enetaddr, dev->enetaddr, 6); + } if (memcmp(env_enetaddr, "\0\0\0\0\0\0", 6)) { if (memcmp(dev->enetaddr, "\0\0\0\0\0\0", 6) && memcmp(dev->enetaddr, env_enetaddr, 6)) { |