blob: 96ece392c618cef65d6a8a3f5a1661b68457188b [file] [log] [blame]
lh9ed821d2023-04-07 01:36:19 -07001/* Copyright (C) 2004, 2005 Free Software Foundation, Inc.
2 This file is part of the GNU C Library.
3
4 The GNU C Library is free software; you can redistribute it and/or
5 modify it under the terms of the GNU Lesser General Public
6 License as published by the Free Software Foundation; either
7 version 2.1 of the License, or (at your option) any later version.
8
9 The GNU C Library is distributed in the hope that it will be useful,
10 but WITHOUT ANY WARRANTY; without even the implied warranty of
11 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
12 Lesser General Public License for more details.
13
14 You should have received a copy of the GNU Lesser General Public
15 License along with the GNU C Library; if not, write to the Free
16 Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
17 02111-1307 USA. */
18
19#ifndef _NETLINKACCESS_H
20#define _NETLINKACCESS_H 1
21
22#include <features.h>
23#include <stdint.h>
24#include <unistd.h>
25#if defined __ASSUME_NETLINK_SUPPORT || defined __UCLIBC_USE_NETLINK__
26#include <asm/types.h>
27#include <linux/rtnetlink.h>
28#include <linux/netlink.h>
29
30struct netlink_res
31{
32 struct netlink_res *next;
33 struct nlmsghdr *nlh;
34 size_t size; /* Size of response. */
35 uint32_t seq; /* sequential number we used. */
36};
37
38
39struct netlink_handle
40{
41 int fd; /* Netlink file descriptor. */
42 pid_t pid; /* Process ID. */
43 uint32_t seq; /* The sequence number we use currently. */
44 struct netlink_res *nlm_list; /* Pointer to list of responses. */
45 struct netlink_res *end_ptr; /* For faster append of new entries. */
46};
47
48
49#ifndef __ASSUME_NETLINK_SUPPORT
50#define __ASSUME_NETLINK_SUPPORT 1
51#endif
52
53extern int __netlink_open (struct netlink_handle *h) attribute_hidden;
54extern void __netlink_close (struct netlink_handle *h) attribute_hidden;
55extern void __netlink_free_handle (struct netlink_handle *h) attribute_hidden;
56extern int __netlink_request (struct netlink_handle *h, int type) attribute_hidden;
57
58#else
59#define __ASSUME_NETLINK_SUPPORT 0
60#endif
61
62#endif /* _NETLINKACCESS_H */