wdenk | 5745185 | 2001-09-06 22:25:14 +0000 | [diff] [blame] | 1 | /* |
| 2 | * (C) Copyright 2001 |
| 3 | * Murray Jensen <Murray.Jensen@cmst.csiro.au> |
| 4 | * |
| 5 | * See file CREDITS for list of people who contributed to this |
| 6 | * project. |
| 7 | * |
| 8 | * This program is free software; you can redistribute it and/or |
| 9 | * modify it under the terms of the GNU General Public License as |
| 10 | * published by the Free Software Foundation; either version 2 of |
| 11 | * the License, or (at your option) any later version. |
| 12 | * |
| 13 | * This program is distributed in the hope that it will be useful, |
| 14 | * but WITHOUT ANY WARRANTY; without even the implied warranty of |
| 15 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
| 16 | * GNU General Public License for more details. |
| 17 | * |
| 18 | * You should have received a copy of the GNU General Public License |
| 19 | * along with this program; if not, write to the Free Software |
| 20 | * Foundation, Inc., 59 Temple Place, Suite 330, Boston, |
| 21 | * MA 02111-1307 USA |
| 22 | */ |
| 23 | |
| 24 | #include <stdio.h> |
| 25 | #include <stdlib.h> |
| 26 | #include <unistd.h> |
| 27 | #include <time.h> |
| 28 | |
| 29 | int |
| 30 | main(int argc, char *argv[]) |
| 31 | { |
| 32 | unsigned long ethaddr_low, ethaddr_high; |
| 33 | |
Peter Tyser | 2eeb4e9 | 2009-03-13 18:54:31 -0500 | [diff] [blame^] | 34 | srand(time(0) | getpid()); |
wdenk | 5745185 | 2001-09-06 22:25:14 +0000 | [diff] [blame] | 35 | |
| 36 | /* |
| 37 | * setting the 2nd LSB in the most significant byte of |
| 38 | * the address makes it a locally administered ethernet |
| 39 | * address |
| 40 | */ |
Peter Tyser | 2eeb4e9 | 2009-03-13 18:54:31 -0500 | [diff] [blame^] | 41 | ethaddr_high = (rand() & 0xfeff) | 0x0200; |
| 42 | ethaddr_low = rand(); |
wdenk | 5745185 | 2001-09-06 22:25:14 +0000 | [diff] [blame] | 43 | |
| 44 | printf("%02lx:%02lx:%02lx:%02lx:%02lx:%02lx\n", |
| 45 | ethaddr_high >> 8, ethaddr_high & 0xff, |
| 46 | ethaddr_low >> 24, (ethaddr_low >> 16) & 0xff, |
| 47 | (ethaddr_low >> 8) & 0xff, ethaddr_low & 0xff); |
| 48 | |
| 49 | return (0); |
| 50 | } |