/*
   * INET		An implementation of the TCP/IP protocol suite for the LINUX
   *		operating system.  INET is implemented using the  BSD Socket
   *		interface as the means of communication with the user level.
   *
   *		Definitions for the RAW-IP module.
   *
   * Version:	@(#)raw.h	1.0.2	05/07/93
   *
   * Author:	Fred N. van Kempen, <waltje@uWalt.NL.Mugnet.ORG>
   *
   *		This program is free software; you can redistribute it and/or
   *		modify it under the terms of the GNU General Public License
   *		as published by the Free Software Foundation; either version
   *		2 of the License, or (at your option) any later version.
   */
  #ifndef _RAW_H
  #define _RAW_H

  #include <net/protocol.h>

  #include <linux/icmp.h>

  extern struct proto raw_prot;

  void raw_icmp_error(struct sk_buff *, int, u32);
  int raw_local_deliver(struct sk_buff *, int);

  extern int 	raw_rcv(struct sock *, struct sk_buff *);

  #define RAW_HTABLE_SIZE	MAX_INET_PROTOS
  
  struct raw_hashinfo {
  	rwlock_t lock;
  	struct hlist_head ht[RAW_HTABLE_SIZE];
  };

  #ifdef CONFIG_PROC_FS
  extern int  raw_proc_init(void);
  extern void raw_proc_exit(void);

  
  struct raw_iter_state {

  	struct seq_net_private p;

  	int bucket;

  	struct raw_hashinfo *h;
  };

  static inline struct raw_iter_state *raw_seq_private(struct seq_file *seq)
  {
  	return seq->private;
  }

  void *raw_seq_start(struct seq_file *seq, loff_t *pos);
  void *raw_seq_next(struct seq_file *seq, void *v, loff_t *pos);
  void raw_seq_stop(struct seq_file *seq, void *v);

  int raw_seq_open(struct inode *ino, struct file *file,
  		 struct raw_hashinfo *h, const struct seq_operations *ops);

  #endif

  void raw_hash_sk(struct sock *sk);
  void raw_unhash_sk(struct sock *sk);

  struct raw_sock {
  	/* inet_sock has to be the first member */
  	struct inet_sock   inet;
  	struct icmp_filter filter;

  	u32		   ipmr_table;

  };
  
  static inline struct raw_sock *raw_sk(const struct sock *sk)
  {
  	return (struct raw_sock *)sk;
  }

  #endif	/* _RAW_H */