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
 13struct 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
 40enum {
 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
 57enum {
 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
 74enum {
 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
 83enum {
 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
 92enum {
 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 */