LXR linux/include/uapi/linux/genetlink.h

   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
  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_MAX,
  52};
  53
  54#define CTRL_CMD_MAX (__CTRL_CMD_MAX - 1)
  55
  56enum {
  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
  70enum {
  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
  79enum {
  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