#ifndef _TRANSP_V6_H
  #define _TRANSP_V6_H
  
  #include <net/checksum.h>
  
  /*
   *	IPv6 transport protocols
   */

  extern struct proto rawv6_prot;
  extern struct proto udpv6_prot;

  extern struct proto udplitev6_prot;

  extern struct proto tcpv6_prot;

  struct flowi6;

  /* extension headers */

  extern int				ipv6_exthdrs_init(void);
  extern void				ipv6_exthdrs_exit(void);

  extern int				ipv6_frag_init(void);
  extern void				ipv6_frag_exit(void);

  
  /* transport protocols */

  extern int				rawv6_init(void);
  extern void				rawv6_exit(void);
  extern int				udpv6_init(void);
  extern void				udpv6_exit(void);
  extern int 				udplitev6_init(void);
  extern void 				udplitev6_exit(void);
  extern int				tcpv6_init(void);
  extern void				tcpv6_exit(void);

  
  extern int				udpv6_connect(struct sock *sk,
  						      struct sockaddr *uaddr,
  						      int addr_len);
  
  extern int			datagram_recv_ctl(struct sock *sk,
  						  struct msghdr *msg,
  						  struct sk_buff *skb);

  extern int			datagram_send_ctl(struct net *net,

  						  struct sock *sk,

  						  struct msghdr *msg,

  						  struct flowi6 *fl6,

  						  struct ipv6_txoptions *opt,

  						  int *hlimit, int *tclass,
  						  int *dontfrag);

  #define		LOOPBACK4_IPV6		cpu_to_be32(0x7f000006)

  
  /*
   *	address family specific functions
   */

  extern const struct inet_connection_sock_af_ops ipv4_specific;

  extern void inet6_destroy_sock(struct sock *sk);

  
  #endif