xref: /linux-6.15/include/uapi/linux/genetlink.h (revision e756bc56)
1 #ifndef _UAPI__LINUX_GENERIC_NETLINK_H
2 #define _UAPI__LINUX_GENERIC_NETLINK_H
3 
4 #include <linux/types.h>
5 #include <linux/netlink.h>
6 
7 #define GENL_NAMSIZ	16	/* length of family name */
8 
9 #define GENL_MIN_ID	NLMSG_MIN_TYPE
10 #define GENL_MAX_ID	1023
11 
12 struct genlmsghdr {
13 	__u8	cmd;
14 	__u8	version;
15 	__u16	reserved;
16 };
17 
18 #define GENL_HDRLEN	NLMSG_ALIGN(sizeof(struct genlmsghdr))
19 
20 #define GENL_ADMIN_PERM		0x01
21 #define GENL_CMD_CAP_DO		0x02
22 #define GENL_CMD_CAP_DUMP	0x04
23 #define GENL_CMD_CAP_HASPOL	0x08
24 
25 /*
26  * List of reserved static generic netlink identifiers:
27  */
28 #define GENL_ID_GENERATE	0
29 #define GENL_ID_CTRL		NLMSG_MIN_TYPE
30 #define GENL_ID_VFS_DQUOT	(NLMSG_MIN_TYPE + 1)
31 
32 /**************************************************************************
33  * Controller
34  **************************************************************************/
35 
36 enum {
37 	CTRL_CMD_UNSPEC,
38 	CTRL_CMD_NEWFAMILY,
39 	CTRL_CMD_DELFAMILY,
40 	CTRL_CMD_GETFAMILY,
41 	CTRL_CMD_NEWOPS,
42 	CTRL_CMD_DELOPS,
43 	CTRL_CMD_GETOPS,
44 	CTRL_CMD_NEWMCAST_GRP,
45 	CTRL_CMD_DELMCAST_GRP,
46 	CTRL_CMD_GETMCAST_GRP, /* unused */
47 	__CTRL_CMD_MAX,
48 };
49 
50 #define CTRL_CMD_MAX (__CTRL_CMD_MAX - 1)
51 
52 enum {
53 	CTRL_ATTR_UNSPEC,
54 	CTRL_ATTR_FAMILY_ID,
55 	CTRL_ATTR_FAMILY_NAME,
56 	CTRL_ATTR_VERSION,
57 	CTRL_ATTR_HDRSIZE,
58 	CTRL_ATTR_MAXATTR,
59 	CTRL_ATTR_OPS,
60 	CTRL_ATTR_MCAST_GROUPS,
61 	__CTRL_ATTR_MAX,
62 };
63 
64 #define CTRL_ATTR_MAX (__CTRL_ATTR_MAX - 1)
65 
66 enum {
67 	CTRL_ATTR_OP_UNSPEC,
68 	CTRL_ATTR_OP_ID,
69 	CTRL_ATTR_OP_FLAGS,
70 	__CTRL_ATTR_OP_MAX,
71 };
72 
73 #define CTRL_ATTR_OP_MAX (__CTRL_ATTR_OP_MAX - 1)
74 
75 enum {
76 	CTRL_ATTR_MCAST_GRP_UNSPEC,
77 	CTRL_ATTR_MCAST_GRP_NAME,
78 	CTRL_ATTR_MCAST_GRP_ID,
79 	__CTRL_ATTR_MCAST_GRP_MAX,
80 };
81 
82 #define CTRL_ATTR_MCAST_GRP_MAX (__CTRL_ATTR_MCAST_GRP_MAX - 1)
83 
84 
85 #endif /* _UAPI__LINUX_GENERIC_NETLINK_H */
86