1/*
2 * netlink/netfilter/queue.h	Netfilter Queue
3 *
4 *	This 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 version 2.1
7 *	of the License.
8 *
9 * Copyright (c) 2007, 2008 Patrick McHardy <kaber@trash.net>
10 */
11
12#ifndef NETLINK_QUEUE_H_
13#define NETLINK_QUEUE_H_
14
15#include <netlink/netlink.h>
16
17#ifdef __cplusplus
18extern "C" {
19#endif
20
21struct nl_sock;
22struct nlmsghdr;
23struct nfnl_queue;
24
25extern struct nl_object_ops queue_obj_ops;
26
27enum nfnl_queue_copy_mode {
28	NFNL_QUEUE_COPY_NONE,
29	NFNL_QUEUE_COPY_META,
30	NFNL_QUEUE_COPY_PACKET,
31};
32
33/* General */
34extern struct nl_sock *		nfnl_queue_socket_alloc(void);
35
36extern struct nfnl_queue *	nfnl_queue_alloc(void);
37
38extern void			nfnl_queue_get(struct nfnl_queue *);
39extern void			nfnl_queue_put(struct nfnl_queue *);
40
41/* Attributes */
42extern void			nfnl_queue_set_group(struct nfnl_queue *, uint16_t);
43extern int			nfnl_queue_test_group(const struct nfnl_queue *);
44extern uint16_t			nfnl_queue_get_group(const struct nfnl_queue *);
45
46extern void			nfnl_queue_set_maxlen(struct nfnl_queue *, uint32_t);
47extern int			nfnl_queue_test_maxlen(const struct nfnl_queue *);
48extern uint32_t			nfnl_queue_get_maxlen(const struct nfnl_queue *);
49
50extern void			nfnl_queue_set_copy_mode(struct nfnl_queue *,
51							 enum nfnl_queue_copy_mode);
52extern int			nfnl_queue_test_copy_mode(const struct nfnl_queue *);
53extern enum nfnl_queue_copy_mode nfnl_queue_get_copy_mode(const struct nfnl_queue *);
54
55extern char *			nfnl_queue_copy_mode2str(enum nfnl_queue_copy_mode,
56							 char *, size_t);
57extern enum nfnl_queue_copy_mode nfnl_queue_str2copy_mode(const char *);
58
59extern void			nfnl_queue_set_copy_range(struct nfnl_queue *,
60							  uint32_t);
61extern int			nfnl_queue_test_copy_range(const struct nfnl_queue *);
62extern uint32_t			nfnl_queue_get_copy_range(const struct nfnl_queue *);
63
64extern int	nfnl_queue_build_pf_bind(uint8_t, struct nl_msg **);
65extern int	nfnl_queue_pf_bind(struct nl_sock *, uint8_t);
66
67extern int	nfnl_queue_build_pf_unbind(uint8_t, struct nl_msg **);
68extern int	nfnl_queue_pf_unbind(struct nl_sock *, uint8_t);
69
70extern int	nfnl_queue_build_create_request(const struct nfnl_queue *,
71						struct nl_msg **);
72extern int	nfnl_queue_create(struct nl_sock *,
73				  const struct nfnl_queue *);
74
75extern int	nfnl_queue_build_change_request(const struct nfnl_queue *,
76						struct nl_msg **);
77extern int	nfnl_queue_change(struct nl_sock *,
78				  const struct nfnl_queue *);
79
80extern int	nfnl_queue_build_delete_request(const struct nfnl_queue *,
81						struct nl_msg **);
82extern int	nfnl_queue_delete(struct nl_sock *,
83				  const struct nfnl_queue *);
84
85#ifdef __cplusplus
86}
87#endif
88
89#endif
90
91