xref: /linux-6.15/include/uapi/linux/genetlink.h (revision bb970707)
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 #define GENL_UNS_ADMIN_PERM	0x10
25 
26 /*
27  * List of reserved static generic netlink identifiers:
28  */
29 #define GENL_ID_GENERATE	0
30 #define GENL_ID_CTRL		NLMSG_MIN_TYPE
31 #define GENL_ID_VFS_DQUOT	(NLMSG_MIN_TYPE + 1)
32 #define GENL_ID_PMCRAID		(NLMSG_MIN_TYPE + 2)
33 
34 /**************************************************************************
35  * Controller
36  **************************************************************************/
37 
38 enum {
39 	CTRL_CMD_UNSPEC,
40 	CTRL_CMD_NEWFAMILY,
41 	CTRL_CMD_DELFAMILY,
42 	CTRL_CMD_GETFAMILY,
43 	CTRL_CMD_NEWOPS,
44 	CTRL_CMD_DELOPS,
45 	CTRL_CMD_GETOPS,
46 	CTRL_CMD_NEWMCAST_GRP,
47 	CTRL_CMD_DELMCAST_GRP,
48 	CTRL_CMD_GETMCAST_GRP, /* unused */
49 	__CTRL_CMD_MAX,
50 };
51 
52 #define CTRL_CMD_MAX (__CTRL_CMD_MAX - 1)
53 
54 enum {
55 	CTRL_ATTR_UNSPEC,
56 	CTRL_ATTR_FAMILY_ID,
57 	CTRL_ATTR_FAMILY_NAME,
58 	CTRL_ATTR_VERSION,
59 	CTRL_ATTR_HDRSIZE,
60 	CTRL_ATTR_MAXATTR,
61 	CTRL_ATTR_OPS,
62 	CTRL_ATTR_MCAST_GROUPS,
63 	__CTRL_ATTR_MAX,
64 };
65 
66 #define CTRL_ATTR_MAX (__CTRL_ATTR_MAX - 1)
67 
68 enum {
69 	CTRL_ATTR_OP_UNSPEC,
70 	CTRL_ATTR_OP_ID,
71 	CTRL_ATTR_OP_FLAGS,
72 	__CTRL_ATTR_OP_MAX,
73 };
74 
75 #define CTRL_ATTR_OP_MAX (__CTRL_ATTR_OP_MAX - 1)
76 
77 enum {
78 	CTRL_ATTR_MCAST_GRP_UNSPEC,
79 	CTRL_ATTR_MCAST_GRP_NAME,
80 	CTRL_ATTR_MCAST_GRP_ID,
81 	__CTRL_ATTR_MCAST_GRP_MAX,
82 };
83 
84 #define CTRL_ATTR_MCAST_GRP_MAX (__CTRL_ATTR_MCAST_GRP_MAX - 1)
85 
86 
87 #endif /* _UAPI__LINUX_GENERIC_NETLINK_H */
88