diff options
Diffstat (limited to 'sys/mips/atheros/if_arge.c')
| -rw-r--r-- | sys/mips/atheros/if_arge.c | 19 |
1 files changed, 18 insertions, 1 deletions
diff --git a/sys/mips/atheros/if_arge.c b/sys/mips/atheros/if_arge.c index ef76e58..b293a85 100644 --- a/sys/mips/atheros/if_arge.c +++ b/sys/mips/atheros/if_arge.c @@ -555,6 +555,7 @@ arge_attach(device_t dev) long eeprom_mac_addr = 0; int miicfg = 0; int readascii = 0; + int local_mac = 0; sc = device_get_softc(dev); sc->arge_dev = dev; @@ -576,6 +577,7 @@ arge_attach(device_t dev) */ if (resource_long_value(device_get_name(dev), device_get_unit(dev), "eeprommac", &eeprom_mac_addr) == 0) { + local_mac = 1; int i; const char *mac = (const char *) MIPS_PHYS_TO_KSEG1(eeprom_mac_addr); @@ -729,7 +731,22 @@ arge_attach(device_t dev) sc->arge_eaddr[4] = (rnd >> 16) & 0xff; sc->arge_eaddr[5] = (rnd >> 8) & 0xff; } - if (sc->arge_mac_unit != 0) + + /* + * This is a little hairy and stupid. + * + * For some older boards, the arge1 mac isn't pulled from anywhere. + * It's just assumed the MAC is the base MAC + 1. + * + * For other boards, there's multiple MAC addresses stored in EEPROM. + * + * So, if we did read the eeprommac for this particular interface, + * let's use the address as given. Otherwise, just add the MAC unit + * counter to it. + * + * XXX TODO: we really should handle MAC byte wraparound! + */ + if (local_mac == 0 && sc->arge_mac_unit != 0) sc->arge_eaddr[5] += sc->arge_mac_unit; if (arge_dma_alloc(sc) != 0) { |
