blob: 6428cc9a28c7dad3ddd87047be1af8d1663aaec5 (
plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
|
/*
* Copyright (C) 2008 Tobias Brunner
* Hochschule fuer Technik Rapperswil
*
* This program is free software; you can redistribute it and/or modify it
* under the terms of the GNU General Public License as published by the
* Free Software Foundation; either version 2 of the License, or (at your
* option) any later version. See <http://www.fsf.org/copyleft/gpl.txt>.
*
* This program is distributed in the hope that it will be useful, but
* WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY
* or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
* for more details.
*
* $Id: kernel_netlink_shared.h 4350 2008-09-18 15:16:43Z tobias $
*/
#ifndef KERNEL_NETLINK_SHARED_H_
#define KERNEL_NETLINK_SHARED_H_
#include <library.h>
#define NETLINK_BUFFER_SIZE 1024
typedef struct netlink_socket_t netlink_socket_t;
/**
* Wrapper around a netlink socket.
*/
struct netlink_socket_t {
/**
* Send a netlink message and wait for a reply.
*
* @param in netlink message to send
* @param out received netlink message
* @param out_len length of the received message
*/
status_t (*send)(netlink_socket_t *this, struct nlmsghdr *in, struct nlmsghdr **out, size_t *out_len);
/**
* Send a netlink message and wait for its acknowledge.
*
* @param in netlink message to send
*/
status_t (*send_ack)(netlink_socket_t *this, struct nlmsghdr *in);
/**
* Destroy the socket.
*/
void (*destroy)(netlink_socket_t *this);
};
/**
* Create a netlink_socket_t object.
*
* @param protocol protocol type (e.g. NETLINK_XFRM or NETLINK_ROUTE)
*/
netlink_socket_t *netlink_socket_create(int protocol);
/**
* Creates an rtattr and adds it to the given netlink message.
*
* @param hdr netlink message
* @param rta_type type of the rtattr
* @param data data to add to the rtattr
* @param buflen length of the netlink message buffer
*/
void netlink_add_attribute(struct nlmsghdr *hdr, int rta_type, chunk_t data, size_t buflen);
#endif /* KERNEL_NETLINK_SHARED_H_ */
|
