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Commit | Line | Data |
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718e3744 | 1 | /* |
2 | * Ipforward value get function for NEC EWS. | |
3 | * Copyright (C) 1997 Kunihiro Ishiguro | |
4 | * | |
5 | * This file is part of GNU Zebra. | |
6 | * | |
7 | * GNU Zebra is free software; you can redistribute it and/or modify it | |
8 | * under the terms of the GNU General Public License as published by the | |
9 | * Free Software Foundation; either version 2, or (at your option) any | |
10 | * later version. | |
11 | * | |
12 | * GNU Zebra is distributed in the hope that it will be useful, but | |
13 | * WITHOUT ANY WARRANTY; without even the implied warranty of | |
14 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU | |
15 | * General Public License for more details. | |
16 | * | |
17 | * You should have received a copy of the GNU General Public License | |
18 | * along with GNU Zebra; see the file COPYING. If not, write to the Free | |
19 | * Software Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA | |
20 | * 02111-1307, USA. | |
21 | */ | |
22 | ||
23 | #include <zebra.h> | |
24 | ||
25 | int | |
26 | ipforward () | |
27 | { | |
28 | int fd; | |
29 | char buf[BUFSIZ]; | |
30 | struct mioc_rksym rks; | |
31 | ||
32 | fd = open ("/dev/kmem", O_RDWR); | |
33 | if (fd < 0) { | |
34 | /* need logging here */ | |
35 | return -1; | |
36 | } | |
37 | ||
38 | rks.mirk_symname = "ipforwarding"; | |
39 | rks.mirk_buf = buf; | |
40 | rks.mirk_buflen = sizeof (int); | |
41 | ||
42 | if (ioctl (fd, MIOC_READKSYM, &rks) < 0) { | |
43 | /* need logging here */ | |
44 | return -1; | |
45 | } | |
46 | close (fd); | |
47 | return *(int *)buf; | |
48 | } | |
49 | ||
50 | int | |
51 | ipforward_on () | |
52 | { | |
53 | ; | |
54 | } | |
55 | ||
56 | int | |
57 | ipforward_off () | |
58 | { | |
59 | ; | |
60 | } |