| /* |
| * (C) Copyright 2001 |
| * Murray Jensen <Murray.Jensen@cmst.csiro.au> |
| * |
| * SPDX-License-Identifier: GPL-2.0+ |
| */ |
| |
| #include <stdio.h> |
| #include <stdlib.h> |
| #include <unistd.h> |
| #include <time.h> |
| |
| int |
| main(int argc, char *argv[]) |
| { |
| unsigned long ethaddr_low, ethaddr_high; |
| |
| srand(time(0) | getpid()); |
| |
| /* |
| * setting the 2nd LSB in the most significant byte of |
| * the address makes it a locally administered ethernet |
| * address |
| */ |
| ethaddr_high = (rand() & 0xfeff) | 0x0200; |
| ethaddr_low = rand(); |
| |
| printf("%02lx:%02lx:%02lx:%02lx:%02lx:%02lx\n", |
| ethaddr_high >> 8, ethaddr_high & 0xff, |
| ethaddr_low >> 24, (ethaddr_low >> 16) & 0xff, |
| (ethaddr_low >> 8) & 0xff, ethaddr_low & 0xff); |
| |
| return (0); |
| } |