1 /* SPDX-License-Identifier: GPL-2.0 WITH Linux-syscall-note */
2 #ifndef _UAPI__LINUX_GENERIC_NETLINK_H
3 #define _UAPI__LINUX_GENERIC_NETLINK_H
4 
5 #include <linux/types.h>
6 #include <linux/netlink.h>
7 
8 #define GENL_NAMSIZ	16	/* length of family name */
9 
10 #define GENL_MIN_ID	NLMSG_MIN_TYPE
11 #define GENL_MAX_ID	1023
12 
13 struct genlmsghdr {
14 	__u8	cmd;
15 	__u8	version;
16 	__u16	reserved;
17 };
18 
19 #define GENL_HDRLEN	NLMSG_ALIGN(sizeof(struct genlmsghdr))
20 
21 #define GENL_ADMIN_PERM		0x01
22 #define GENL_CMD_CAP_DO		0x02
23 #define GENL_CMD_CAP_DUMP	0x04
24 #define GENL_CMD_CAP_HASPOL	0x08
25 #define GENL_UNS_ADMIN_PERM	0x10
26 
27 /*
28  * List of reserved static generic netlink identifiers:
29  */
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 /* must be last reserved + 1 */
34 #define GENL_START_ALLOC	(NLMSG_MIN_TYPE + 3)
35 
36 /**************************************************************************
37  * Controller
38  **************************************************************************/
39 
40 enum {
41 	CTRL_CMD_UNSPEC,
42 	CTRL_CMD_NEWFAMILY,
43 	CTRL_CMD_DELFAMILY,
44 	CTRL_CMD_GETFAMILY,
45 	CTRL_CMD_NEWOPS,
46 	CTRL_CMD_DELOPS,
47 	CTRL_CMD_GETOPS,
48 	CTRL_CMD_NEWMCAST_GRP,
49 	CTRL_CMD_DELMCAST_GRP,
50 	CTRL_CMD_GETMCAST_GRP, /* unused */
51 	__CTRL_CMD_MAX,
52 };
53 
54 #define CTRL_CMD_MAX (__CTRL_CMD_MAX - 1)
55 
56 enum {
57 	CTRL_ATTR_UNSPEC,
58 	CTRL_ATTR_FAMILY_ID,
59 	CTRL_ATTR_FAMILY_NAME,
60 	CTRL_ATTR_VERSION,
61 	CTRL_ATTR_HDRSIZE,
62 	CTRL_ATTR_MAXATTR,
63 	CTRL_ATTR_OPS,
64 	CTRL_ATTR_MCAST_GROUPS,
65 	__CTRL_ATTR_MAX,
66 };
67 
68 #define CTRL_ATTR_MAX (__CTRL_ATTR_MAX - 1)
69 
70 enum {
71 	CTRL_ATTR_OP_UNSPEC,
72 	CTRL_ATTR_OP_ID,
73 	CTRL_ATTR_OP_FLAGS,
74 	__CTRL_ATTR_OP_MAX,
75 };
76 
77 #define CTRL_ATTR_OP_MAX (__CTRL_ATTR_OP_MAX - 1)
78 
79 enum {
80 	CTRL_ATTR_MCAST_GRP_UNSPEC,
81 	CTRL_ATTR_MCAST_GRP_NAME,
82 	CTRL_ATTR_MCAST_GRP_ID,
83 	__CTRL_ATTR_MCAST_GRP_MAX,
84 };
85 
86 #define CTRL_ATTR_MCAST_GRP_MAX (__CTRL_ATTR_MCAST_GRP_MAX - 1)
87 
88 
89 #endif /* _UAPI__LINUX_GENERIC_NETLINK_H */
90