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      1 #ifndef __LINUX_GENERIC_NETLINK_H
      2 #define __LINUX_GENERIC_NETLINK_H
      3 
      4 #include <linux/netlink.h>
      5 
      6 #define GENL_NAMSIZ	16	/* length of family name */
      7 
      8 #define GENL_MIN_ID	NLMSG_MIN_TYPE
      9 #define GENL_MAX_ID	1023
     10 
     11 struct genlmsghdr {
     12 	__u8	cmd;
     13 	__u8	version;
     14 	__u16	reserved;
     15 };
     16 
     17 #define GENL_HDRLEN	NLMSG_ALIGN(sizeof(struct genlmsghdr))
     18 
     19 #define GENL_ADMIN_PERM		0x01
     20 #define GENL_CMD_CAP_DO		0x02
     21 #define GENL_CMD_CAP_DUMP	0x04
     22 #define GENL_CMD_CAP_HASPOL	0x08
     23 
     24 /*
     25  * List of reserved static generic netlink identifiers:
     26  */
     27 #define GENL_ID_GENERATE	0
     28 #define GENL_ID_CTRL		NLMSG_MIN_TYPE
     29 
     30 /**************************************************************************
     31  * Controller
     32  **************************************************************************/
     33 
     34 enum {
     35 	CTRL_CMD_UNSPEC,
     36 	CTRL_CMD_NEWFAMILY,
     37 	CTRL_CMD_DELFAMILY,
     38 	CTRL_CMD_GETFAMILY,
     39 	CTRL_CMD_NEWOPS,
     40 	CTRL_CMD_DELOPS,
     41 	CTRL_CMD_GETOPS,
     42 	CTRL_CMD_NEWMCAST_GRP,
     43 	CTRL_CMD_DELMCAST_GRP,
     44 	CTRL_CMD_GETMCAST_GRP, /* unused */
     45 	__CTRL_CMD_MAX,
     46 };
     47 
     48 #define CTRL_CMD_MAX (__CTRL_CMD_MAX - 1)
     49 
     50 enum {
     51 	CTRL_ATTR_UNSPEC,
     52 	CTRL_ATTR_FAMILY_ID,
     53 	CTRL_ATTR_FAMILY_NAME,
     54 	CTRL_ATTR_VERSION,
     55 	CTRL_ATTR_HDRSIZE,
     56 	CTRL_ATTR_MAXATTR,
     57 	CTRL_ATTR_OPS,
     58 	CTRL_ATTR_MCAST_GROUPS,
     59 	__CTRL_ATTR_MAX,
     60 };
     61 
     62 #define CTRL_ATTR_MAX (__CTRL_ATTR_MAX - 1)
     63 
     64 enum {
     65 	CTRL_ATTR_OP_UNSPEC,
     66 	CTRL_ATTR_OP_ID,
     67 	CTRL_ATTR_OP_FLAGS,
     68 	__CTRL_ATTR_OP_MAX,
     69 };
     70 
     71 #define CTRL_ATTR_OP_MAX (__CTRL_ATTR_OP_MAX - 1)
     72 
     73 enum {
     74 	CTRL_ATTR_MCAST_GRP_UNSPEC,
     75 	CTRL_ATTR_MCAST_GRP_NAME,
     76 	CTRL_ATTR_MCAST_GRP_ID,
     77 	__CTRL_ATTR_MCAST_GRP_MAX,
     78 };
     79 
     80 #define CTRL_ATTR_MCAST_GRP_MAX (__CTRL_ATTR_MCAST_GRP_MAX - 1)
     81 
     82 #endif	/* __LINUX_GENERIC_NETLINK_H */
     83