1 /*
2  * netlink/socket.h		Netlink Socket
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) 2003-2008 Thomas Graf <tgraf@suug.ch>
10  */
11 
12 #ifndef NETLINK_SOCKET_H_
13 #define NETLINK_SOCKET_H_
14 
15 #include <netlink/types.h>
16 #include <netlink/handlers.h>
17 
18 #ifdef __cplusplus
19 extern "C" {
20 #endif
21 
22 extern struct nl_sock *	nl_socket_alloc(void);
23 extern struct nl_sock *	nl_socket_alloc_cb(struct nl_cb *);
24 extern void		nl_socket_free(struct nl_sock *);
25 
26 extern uint32_t		nl_socket_get_local_port(const struct nl_sock *);
27 extern void		nl_socket_set_local_port(struct nl_sock *, uint32_t);
28 
29 extern int		nl_socket_add_memberships(struct nl_sock *, int, ...);
30 extern int		nl_socket_add_membership(struct nl_sock *, int);
31 extern int		nl_socket_drop_memberships(struct nl_sock *, int, ...);
32 extern int		nl_socket_drop_membership(struct nl_sock *,
33 							  int);
34 extern void		nl_join_groups(struct nl_sock *, int);
35 
36 
37 extern uint32_t		nl_socket_get_peer_port(const struct nl_sock *);
38 extern void		nl_socket_set_peer_port(struct nl_sock *,
39 							uint32_t);
40 extern uint32_t 	nl_socket_get_peer_groups(const struct nl_sock *sk);
41 extern void 		nl_socket_set_peer_groups(struct nl_sock *sk, uint32_t groups);
42 extern struct nl_cb *	nl_socket_get_cb(const struct nl_sock *);
43 extern void		nl_socket_set_cb(struct nl_sock *,
44 						 struct nl_cb *);
45 extern int		nl_socket_modify_cb(struct nl_sock *, enum nl_cb_type,
46 					    enum nl_cb_kind,
47 					    nl_recvmsg_msg_cb_t, void *);
48 extern int nl_socket_modify_err_cb(struct nl_sock *, enum nl_cb_kind,
49 				   nl_recvmsg_err_cb_t, void *);
50 
51 extern int		nl_socket_set_buffer_size(struct nl_sock *, int, int);
52 extern int		nl_socket_set_msg_buf_size(struct nl_sock *, size_t);
53 extern size_t		nl_socket_get_msg_buf_size(struct nl_sock *);
54 extern int		nl_socket_set_passcred(struct nl_sock *, int);
55 extern int		nl_socket_recv_pktinfo(struct nl_sock *, int);
56 
57 extern void		nl_socket_disable_seq_check(struct nl_sock *);
58 extern unsigned int	nl_socket_use_seq(struct nl_sock *);
59 extern void		nl_socket_disable_auto_ack(struct nl_sock *);
60 extern void		nl_socket_enable_auto_ack(struct nl_sock *);
61 
62 extern int		nl_socket_get_fd(const struct nl_sock *);
63 extern int              nl_socket_set_fd(struct nl_sock *sk, int protocol, int fd);
64 extern int		nl_socket_set_nonblocking(const struct nl_sock *);
65 extern void		nl_socket_enable_msg_peek(struct nl_sock *);
66 extern void		nl_socket_disable_msg_peek(struct nl_sock *);
67 
68 #ifdef __cplusplus
69 }
70 #endif
71 
72 #endif
73