+
+ if (is_zero_ether_addr(bd->bi_enetaddr) ||
+ is_multicast_ether_addr(bd->bi_enetaddr)) {
+ /* try reading from environment */
+ u8 i;
+ char *s, *e;
+ s = getenv ("ethaddr");
+ for (i = 0; i < 6; ++i) {
+ bd->bi_enetaddr[i] = s ?
+ simple_strtoul (s, &e, 16) : 0;
+ if (s)
+ s = (*e) ? e + 1 : e;
+ }
+ }
+