genetlink.h

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#ifndef _UAPI__LINUX_GENERIC_NETLINK_H
#define _UAPI__LINUX_GENERIC_NETLINK_H

#include <linux/types.h>
#include <linux/netlink.h>

#define GENL_NAMSIZ 16  /* length of family name */

#define GENL_MIN_ID NLMSG_MIN_TYPE
#define GENL_MAX_ID 1023

struct genlmsghdr {
    __u8    cmd;
    __u8    version;
    __u16   reserved;
};

#define GENL_HDRLEN NLMSG_ALIGN(sizeof(struct genlmsghdr))

#define GENL_ADMIN_PERM     0x01
#define GENL_CMD_CAP_DO     0x02
#define GENL_CMD_CAP_DUMP   0x04
#define GENL_CMD_CAP_HASPOL 0x08

/*
 * List of reserved static generic netlink identifiers:
 */
#define GENL_ID_GENERATE    0
#define GENL_ID_CTRL        NLMSG_MIN_TYPE

/**************************************************************************
 * Controller
 **************************************************************************/

enum {
    CTRL_CMD_UNSPEC,
    CTRL_CMD_NEWFAMILY,
    CTRL_CMD_DELFAMILY,
    CTRL_CMD_GETFAMILY,
    CTRL_CMD_NEWOPS,
    CTRL_CMD_DELOPS,
    CTRL_CMD_GETOPS,
    CTRL_CMD_NEWMCAST_GRP,
    CTRL_CMD_DELMCAST_GRP,
    CTRL_CMD_GETMCAST_GRP, /* unused */
    __CTRL_CMD_MAX,
};

#define CTRL_CMD_MAX (__CTRL_CMD_MAX - 1)

enum {
    CTRL_ATTR_UNSPEC,
    CTRL_ATTR_FAMILY_ID,
    CTRL_ATTR_FAMILY_NAME,
    CTRL_ATTR_VERSION,
    CTRL_ATTR_HDRSIZE,
    CTRL_ATTR_MAXATTR,
    CTRL_ATTR_OPS,
    CTRL_ATTR_MCAST_GROUPS,
    __CTRL_ATTR_MAX,
};

#define CTRL_ATTR_MAX (__CTRL_ATTR_MAX - 1)

enum {
    CTRL_ATTR_OP_UNSPEC,
    CTRL_ATTR_OP_ID,
    CTRL_ATTR_OP_FLAGS,
    __CTRL_ATTR_OP_MAX,
};

#define CTRL_ATTR_OP_MAX (__CTRL_ATTR_OP_MAX - 1)

enum {
    CTRL_ATTR_MCAST_GRP_UNSPEC,
    CTRL_ATTR_MCAST_GRP_NAME,
    CTRL_ATTR_MCAST_GRP_ID,
    __CTRL_ATTR_MCAST_GRP_MAX,
};

#define CTRL_ATTR_MCAST_GRP_MAX (__CTRL_ATTR_MCAST_GRP_MAX - 1)


#endif /* _UAPI__LINUX_GENERIC_NETLINK_H */