Home | History | Annotate | Download | only in linux 
      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 
     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 /* _UAPI__LINUX_GENERIC_NETLINK_H */
     90