xref: /aosp_15_r20/external/libnl/include/netlink/object.h (revision 4dc78e53d49367fa8e61b07018507c90983a077d)
1 /* SPDX-License-Identifier: LGPL-2.1-only */
2 /*
3  * Copyright (c) 2003-2012 Thomas Graf <[email protected]>
4  */
5 
6 #ifndef NETLINK_OBJECT_H_
7 #define NETLINK_OBJECT_H_
8 
9 #include <netlink/netlink.h>
10 #include <netlink/utils.h>
11 
12 #ifdef __cplusplus
13 extern "C" {
14 #endif
15 
16 struct nl_cache;
17 struct nl_object;
18 struct nl_object_ops;
19 
20 #define OBJ_CAST(ptr)		((struct nl_object *) (ptr))
21 
22 /* General */
23 extern struct nl_object *	nl_object_alloc(struct nl_object_ops *);
24 extern int			nl_object_alloc_name(const char *,
25 						     struct nl_object **);
26 extern void			nl_object_free(struct nl_object *);
27 extern struct nl_object *	nl_object_clone(struct nl_object *obj);
28 extern int			nl_object_update(struct nl_object *dst,
29 						 struct nl_object *src);
30 extern void			nl_object_get(struct nl_object *);
31 extern void			nl_object_put(struct nl_object *);
32 extern int			nl_object_shared(struct nl_object *);
33 extern void			nl_object_dump(struct nl_object *,
34 					       struct nl_dump_params *);
35 extern void			nl_object_dump_buf(struct nl_object *, char *, size_t);
36 extern int			nl_object_identical(struct nl_object *,
37 						    struct nl_object *);
38 extern uint32_t			nl_object_diff(struct nl_object *,
39 					       struct nl_object *);
40 extern uint64_t			nl_object_diff64(struct nl_object *,
41 						 struct nl_object *);
42 extern int			nl_object_match_filter(struct nl_object *,
43 						       struct nl_object *);
44 extern char *			nl_object_attrs2str(struct nl_object *,
45 						    uint32_t attrs, char *buf,
46 						    size_t);
47 extern char *			nl_object_attr_list(struct nl_object *,
48 						    char *, size_t);
49 extern void			nl_object_keygen(struct nl_object *,
50 						 uint32_t *, uint32_t);
51 
52 /* Marks */
53 extern void			nl_object_mark(struct nl_object *);
54 extern void			nl_object_unmark(struct nl_object *);
55 extern int			nl_object_is_marked(struct nl_object *);
56 
57 /* Access Functions */
58 extern int			nl_object_get_refcnt(struct nl_object *);
59 extern struct nl_cache *	nl_object_get_cache(struct nl_object *);
60 extern const char *		nl_object_get_type(const struct nl_object *);
61 extern int			nl_object_get_msgtype(const struct nl_object *);
62 struct nl_object_ops *		nl_object_get_ops(const struct nl_object *);
63 uint32_t			nl_object_get_id_attrs(struct nl_object *obj);
64 
65 
nl_object_priv(struct nl_object * obj)66 static inline void *		nl_object_priv(struct nl_object *obj)
67 {
68 	return obj;
69 }
70 
71 
72 #ifdef __cplusplus
73 }
74 #endif
75 
76 #endif
77