#ifndef _INET_DIAG_H_
  #define _INET_DIAG_H_ 1

  #include <uapi/linux/inet_diag.h>

  struct net;

  struct sock;
  struct inet_hashinfo;

  struct nlattr;

  struct nlmsghdr;
  struct sk_buff;

  struct netlink_callback;

  
  struct inet_diag_handler {

  	void		(*dump)(struct sk_buff *skb,
  				struct netlink_callback *cb,
  				const struct inet_diag_req_v2 *r,
  				struct nlattr *bc);
  
  	int		(*dump_one)(struct sk_buff *in_skb,
  				    const struct nlmsghdr *nlh,
  				    const struct inet_diag_req_v2 *req);
  
  	void		(*idiag_get_info)(struct sock *sk,
  					  struct inet_diag_msg *r,
  					  void *info);

  
  	int		(*destroy)(struct sk_buff *in_skb,
  				   const struct inet_diag_req_v2 *req);

  	__u16		idiag_type;

  	__u16		idiag_info_size;

  };

  struct inet_connection_sock;
  int inet_sk_diag_fill(struct sock *sk, struct inet_connection_sock *icsk,

  		      struct sk_buff *skb, const struct inet_diag_req_v2 *req,
  		      struct user_namespace *user_ns,
  		      u32 pid, u32 seq, u16 nlmsg_flags,

  		      const struct nlmsghdr *unlh, bool net_admin);

  void inet_diag_dump_icsk(struct inet_hashinfo *h, struct sk_buff *skb,

  			 struct netlink_callback *cb,
  			 const struct inet_diag_req_v2 *r,
  			 struct nlattr *bc);

  int inet_diag_dump_one_icsk(struct inet_hashinfo *hashinfo,

  			    struct sk_buff *in_skb, const struct nlmsghdr *nlh,
  			    const struct inet_diag_req_v2 *req);

  struct sock *inet_diag_find_one_icsk(struct net *net,
  				     struct inet_hashinfo *hashinfo,
  				     const struct inet_diag_req_v2 *req);

  int inet_diag_bc_sk(const struct nlattr *_bc, struct sock *sk);

  void inet_diag_msg_common_fill(struct inet_diag_msg *r, struct sock *sk);
  
  int inet_diag_msg_attrs_fill(struct sock *sk, struct sk_buff *skb,
  			     struct inet_diag_msg *r, int ext,

  			     struct user_namespace *user_ns, bool net_admin);

  extern int  inet_diag_register(const struct inet_diag_handler *handler);
  extern void inet_diag_unregister(const struct inet_diag_handler *handler);

  #endif /* _INET_DIAG_H_ */