linux-headers (unknown)
1 /* SPDX-License-Identifier: GPL-2.0 WITH Linux-syscall-note */
2 #ifndef __LINUX_GENERIC_NETLINK_H
3 #define __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_GETPOLICY,
52 __CTRL_CMD_MAX,
53 };
54
55 #define CTRL_CMD_MAX (__CTRL_CMD_MAX - 1)
56
57 enum {
58 CTRL_ATTR_UNSPEC,
59 CTRL_ATTR_FAMILY_ID,
60 CTRL_ATTR_FAMILY_NAME,
61 CTRL_ATTR_VERSION,
62 CTRL_ATTR_HDRSIZE,
63 CTRL_ATTR_MAXATTR,
64 CTRL_ATTR_OPS,
65 CTRL_ATTR_MCAST_GROUPS,
66 CTRL_ATTR_POLICY,
67 CTRL_ATTR_OP_POLICY,
68 CTRL_ATTR_OP,
69 __CTRL_ATTR_MAX,
70 };
71
72 #define CTRL_ATTR_MAX (__CTRL_ATTR_MAX - 1)
73
74 enum {
75 CTRL_ATTR_OP_UNSPEC,
76 CTRL_ATTR_OP_ID,
77 CTRL_ATTR_OP_FLAGS,
78 __CTRL_ATTR_OP_MAX,
79 };
80
81 #define CTRL_ATTR_OP_MAX (__CTRL_ATTR_OP_MAX - 1)
82
83 enum {
84 CTRL_ATTR_MCAST_GRP_UNSPEC,
85 CTRL_ATTR_MCAST_GRP_NAME,
86 CTRL_ATTR_MCAST_GRP_ID,
87 __CTRL_ATTR_MCAST_GRP_MAX,
88 };
89
90 #define CTRL_ATTR_MCAST_GRP_MAX (__CTRL_ATTR_MCAST_GRP_MAX - 1)
91
92 enum {
93 CTRL_ATTR_POLICY_UNSPEC,
94 CTRL_ATTR_POLICY_DO,
95 CTRL_ATTR_POLICY_DUMP,
96
97 __CTRL_ATTR_POLICY_DUMP_MAX,
98 CTRL_ATTR_POLICY_DUMP_MAX = __CTRL_ATTR_POLICY_DUMP_MAX - 1
99 };
100
101 #define CTRL_ATTR_POLICY_MAX (__CTRL_ATTR_POLICY_DUMP_MAX - 1)
102
103 #endif /* __LINUX_GENERIC_NETLINK_H */
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