uapi/linux/genetlink.h

0001 /* SPDX-License-Identifier: GPL-2.0 WITH Linux-syscall-note */
0002 #ifndef _UAPI__LINUX_GENERIC_NETLINK_H
0003 #define _UAPI__LINUX_GENERIC_NETLINK_H
0004
0005 #include <linux/types.h>
0006 #include <linux/netlink.h>
0007
0008 #define GENL_NAMSIZ 16  /* length of family name */
0009
0010 #define GENL_MIN_ID NLMSG_MIN_TYPE
0011 #define GENL_MAX_ID 1023
0012
0013 struct genlmsghdr {
0014     __u8    cmd;
0015     __u8    version;
0016     __u16   reserved;
0017 };
0018
0019 #define GENL_HDRLEN NLMSG_ALIGN(sizeof(struct genlmsghdr))
0020
0021 #define GENL_ADMIN_PERM     0x01
0022 #define GENL_CMD_CAP_DO     0x02
0023 #define GENL_CMD_CAP_DUMP   0x04
0024 #define GENL_CMD_CAP_HASPOL 0x08
0025 #define GENL_UNS_ADMIN_PERM 0x10
0026
0027 /*
0028  * List of reserved static generic netlink identifiers:
0029  */
0030 #define GENL_ID_CTRL        NLMSG_MIN_TYPE
0031 #define GENL_ID_VFS_DQUOT   (NLMSG_MIN_TYPE + 1)
0032 #define GENL_ID_PMCRAID     (NLMSG_MIN_TYPE + 2)
0033 /* must be last reserved + 1 */
0034 #define GENL_START_ALLOC    (NLMSG_MIN_TYPE + 3)
0035
0036 /**************************************************************************
0037  * Controller
0038  **************************************************************************/
0039
0040 enum {
0041     CTRL_CMD_UNSPEC,
0042     CTRL_CMD_NEWFAMILY,
0043     CTRL_CMD_DELFAMILY,
0044     CTRL_CMD_GETFAMILY,
0045     CTRL_CMD_NEWOPS,
0046     CTRL_CMD_DELOPS,
0047     CTRL_CMD_GETOPS,
0048     CTRL_CMD_NEWMCAST_GRP,
0049     CTRL_CMD_DELMCAST_GRP,
0050     CTRL_CMD_GETMCAST_GRP, /* unused */
0051     CTRL_CMD_GETPOLICY,
0052     __CTRL_CMD_MAX,
0053 };
0054
0055 #define CTRL_CMD_MAX (__CTRL_CMD_MAX - 1)
0056
0057 enum {
0058     CTRL_ATTR_UNSPEC,
0059     CTRL_ATTR_FAMILY_ID,
0060     CTRL_ATTR_FAMILY_NAME,
0061     CTRL_ATTR_VERSION,
0062     CTRL_ATTR_HDRSIZE,
0063     CTRL_ATTR_MAXATTR,
0064     CTRL_ATTR_OPS,
0065     CTRL_ATTR_MCAST_GROUPS,
0066     CTRL_ATTR_POLICY,
0067     CTRL_ATTR_OP_POLICY,
0068     CTRL_ATTR_OP,
0069     __CTRL_ATTR_MAX,
0070 };
0071
0072 #define CTRL_ATTR_MAX (__CTRL_ATTR_MAX - 1)
0073
0074 enum {
0075     CTRL_ATTR_OP_UNSPEC,
0076     CTRL_ATTR_OP_ID,
0077     CTRL_ATTR_OP_FLAGS,
0078     __CTRL_ATTR_OP_MAX,
0079 };
0080
0081 #define CTRL_ATTR_OP_MAX (__CTRL_ATTR_OP_MAX - 1)
0082
0083 enum {
0084     CTRL_ATTR_MCAST_GRP_UNSPEC,
0085     CTRL_ATTR_MCAST_GRP_NAME,
0086     CTRL_ATTR_MCAST_GRP_ID,
0087     __CTRL_ATTR_MCAST_GRP_MAX,
0088 };
0089
0090 #define CTRL_ATTR_MCAST_GRP_MAX (__CTRL_ATTR_MCAST_GRP_MAX - 1)
0091
0092 enum {
0093     CTRL_ATTR_POLICY_UNSPEC,
0094     CTRL_ATTR_POLICY_DO,
0095     CTRL_ATTR_POLICY_DUMP,
0096
0097     __CTRL_ATTR_POLICY_DUMP_MAX,
0098     CTRL_ATTR_POLICY_DUMP_MAX = __CTRL_ATTR_POLICY_DUMP_MAX - 1
0099 };
0100
0101 #define CTRL_ATTR_POLICY_MAX (__CTRL_ATTR_POLICY_DUMP_MAX - 1)
0102
0103 #endif /* _UAPI__LINUX_GENERIC_NETLINK_H */