include/uapi/linux/genetlink.h

   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_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 /* __LINUX_GENERIC_NETLINK_H */