xref: /aosp_15_r20/external/libnl/include/netlink/netlink.h (revision 4dc78e53d49367fa8e61b07018507c90983a077d)
1 /* SPDX-License-Identifier: LGPL-2.1-only */
2 /*
3  * Copyright (c) 2003-2013 Thomas Graf <[email protected]>
4  */
5 
6 #ifndef NETLINK_NETLINK_H_
7 #define NETLINK_NETLINK_H_
8 
9 #include <stdio.h>
10 #include <stdint.h>
11 #include <string.h>
12 #include <stdlib.h>
13 #include <poll.h>
14 #include <sys/socket.h>
15 #include <sys/types.h>
16 #include <sys/time.h>
17 #include <netdb.h>
18 #include <netlink/netlink-compat.h>
19 #include <linux/netlink.h>
20 #include <linux/rtnetlink.h>
21 #include <linux/genetlink.h>
22 #include <linux/netfilter/nfnetlink.h>
23 #include <netinet/tcp.h>
24 #include <netlink/version.h>
25 #include <netlink/errno.h>
26 #include <netlink/types.h>
27 #include <netlink/handlers.h>
28 #include <netlink/socket.h>
29 #include <netlink/object.h>
30 
31 #ifdef __cplusplus
32 extern "C" {
33 #endif
34 
35 struct nlmsghdr;
36 struct ucred;
37 struct nl_cache_ops;
38 struct nl_parser_param;
39 struct nl_object;
40 struct nl_sock;
41 
42 extern int nl_debug;
43 extern struct nl_dump_params nl_debug_dp;
44 
45 /* Connection Management */
46 extern int			nl_connect(struct nl_sock *, int);
47 extern void			nl_close(struct nl_sock *);
48 
49 /* Send */
50 extern int			nl_sendto(struct nl_sock *, void *, size_t);
51 extern int			nl_sendmsg(struct nl_sock *, struct nl_msg *,
52 					   struct msghdr *);
53 extern int			nl_send(struct nl_sock *, struct nl_msg *);
54 extern int			nl_send_iovec(struct nl_sock *, struct nl_msg *,
55 					      struct iovec *, unsigned);
56 extern void			nl_complete_msg(struct nl_sock *,
57 						struct nl_msg *);
58 extern void			nl_auto_complete(struct nl_sock *,
59 						 struct nl_msg *);
60 extern int			nl_send_auto(struct nl_sock *, struct nl_msg *);
61 extern int			nl_send_auto_complete(struct nl_sock *,
62 						      struct nl_msg *);
63 extern int			nl_send_sync(struct nl_sock *, struct nl_msg *);
64 extern int			nl_send_simple(struct nl_sock *, int, int,
65 					       void *, size_t);
66 
67 /* Receive */
68 extern int			nl_recv(struct nl_sock *,
69 					struct sockaddr_nl *, unsigned char **,
70 					struct ucred **);
71 
72 extern int			nl_recvmsgs(struct nl_sock *, struct nl_cb *);
73 extern int			nl_recvmsgs_report(struct nl_sock *, struct nl_cb *);
74 
75 extern int			nl_recvmsgs_default(struct nl_sock *);
76 
77 extern int			nl_wait_for_ack(struct nl_sock *);
78 
79 extern int			nl_pickup(struct nl_sock *,
80 					  int (*parser)(struct nl_cache_ops *,
81 						struct sockaddr_nl *,
82 						struct nlmsghdr *,
83 						struct nl_parser_param *),
84 					  struct nl_object **);
85 extern int                      nl_pickup_keep_syserr(struct nl_sock *sk,
86                                                       int (*parser)(struct nl_cache_ops *, struct sockaddr_nl *,
87                                                                     struct nlmsghdr *, struct nl_parser_param *),
88                                                       struct nl_object **result,
89                                                       int *syserror);
90 /* Netlink Family Translations */
91 extern char *			nl_nlfamily2str(int, char *, size_t);
92 extern int			nl_str2nlfamily(const char *);
93 
94 #ifdef __cplusplus
95 }
96 #endif
97 
98 #endif
99