1 /* SPDX-License-Identifier: LGPL-2.1-or-later */
2 #pragma once
3 
4 #include "sd-netlink.h"
5 
6 enum {
7         NETLINK_TYPE_UNSPEC,
8         NETLINK_TYPE_U8,                        /* NLA_U8 */
9         NETLINK_TYPE_U16,                       /* NLA_U16 */
10         NETLINK_TYPE_U32,                       /* NLA_U32 */
11         NETLINK_TYPE_U64,                       /* NLA_U64 */
12         NETLINK_TYPE_S8,                        /* NLA_S8 */
13         NETLINK_TYPE_S16,                       /* NLA_S16 */
14         NETLINK_TYPE_S32,                       /* NLA_S32 */
15         NETLINK_TYPE_S64,                       /* NLA_S64 */
16         NETLINK_TYPE_STRING,                    /* NLA_STRING */
17         NETLINK_TYPE_FLAG,                      /* NLA_FLAG */
18         NETLINK_TYPE_IN_ADDR,
19         NETLINK_TYPE_ETHER_ADDR,
20         NETLINK_TYPE_CACHE_INFO,
21         NETLINK_TYPE_NESTED,                    /* NLA_NESTED */
22         NETLINK_TYPE_UNION,
23         NETLINK_TYPE_SOCKADDR,
24         NETLINK_TYPE_BINARY,
25         NETLINK_TYPE_BITFIELD32,                /* NLA_BITFIELD32 */
26         NETLINK_TYPE_REJECT,                    /* NLA_REJECT */
27 };
28 
29 typedef enum NLMatchType {
30         NL_MATCH_SIBLING,
31         NL_MATCH_PROTOCOL,
32 } NLMatchType;
33 
34 typedef struct NLTypeSystemUnion NLTypeSystemUnion;
35 typedef struct NLTypeSystem NLTypeSystem;
36 typedef struct NLType NLType;
37 
38 const NLType *rtnl_get_type(uint16_t nlmsg_type);
39 const NLType *nfnl_get_type(uint16_t nlmsg_type);
40 const NLTypeSystem *genl_get_type_system_by_name(const char *name);
41 int genl_get_type_system_and_header_size(
42                 sd_netlink *nl,
43                 uint16_t id,
44                 const NLTypeSystem **ret_type_system,
45                 size_t *ret_header_size);
46 
47 uint16_t type_get_type(const NLType *type);
48 size_t type_get_size(const NLType *type);
49 const NLTypeSystem *type_get_type_system(const NLType *type);
50 const NLTypeSystemUnion *type_get_type_system_union(const NLType *type);
51 
52 int type_system_root_get_type_system_and_header_size(
53                 sd_netlink *nl,
54                 uint16_t type,
55                 const NLTypeSystem **ret_type_system,
56                 size_t *ret_header_size);
57 
58 const NLType *type_system_get_type(const NLTypeSystem *type_system, uint16_t type);
59 const NLTypeSystem *type_system_get_type_system(const NLTypeSystem *type_system, uint16_t type);
60 const NLTypeSystemUnion *type_system_get_type_system_union(const NLTypeSystem *type_system, uint16_t type);
61 NLMatchType type_system_union_get_match_type(const NLTypeSystemUnion *type_system_union);
62 uint16_t type_system_union_get_match_attribute(const NLTypeSystemUnion *type_system_union);
63 const NLTypeSystem *type_system_union_get_type_system_by_string(const NLTypeSystemUnion *type_system_union, const char *key);
64 const NLTypeSystem *type_system_union_get_type_system_by_protocol(const NLTypeSystemUnion *type_system_union, uint16_t protocol);
65