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genetlink.h

#ifndef __LINUX_GENERIC_NETLINK_H
#define __LINUX_GENERIC_NETLINK_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_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_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)

#endif      /* __LINUX_GENERIC_NETLINK_H */

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