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[/] [or1k/] [trunk/] [ecos-2.0/] [packages/] [net/] [tcpip/] [v2_0/] [include/] [netinet6/] [in6_pcb.h] - Rev 1765

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//==========================================================================
//
//      include/netinet6_in6_pcb.h
//
//      
//
//==========================================================================
//####BSDCOPYRIGHTBEGIN####
//
// -------------------------------------------
//
// Portions of this software may have been derived from OpenBSD or other sources,
// and are covered by the appropriate copyright disclaimers included herein.
//
// -------------------------------------------
//
//####BSDCOPYRIGHTEND####
//==========================================================================
//#####DESCRIPTIONBEGIN####
//
// Author(s):    gthomas
// Contributors: gthomas
// Date:         2000-01-10
// Purpose:      
// Description:  
//              
//
//####DESCRIPTIONEND####
//
//==========================================================================
 
 
/*	$OpenBSD: in6_pcb.h,v 1.1 1999/12/08 06:50:21 itojun Exp $	*/
 
/*
 * Copyright (C) 1995, 1996, 1997, and 1998 WIDE Project.
 * All rights reserved.
 * 
 * Redistribution and use in source and binary forms, with or without
 * modification, are permitted provided that the following conditions
 * are met:
 * 1. Redistributions of source code must retain the above copyright
 *    notice, this list of conditions and the following disclaimer.
 * 2. Redistributions in binary form must reproduce the above copyright
 *    notice, this list of conditions and the following disclaimer in the
 *    documentation and/or other materials provided with the distribution.
 * 3. Neither the name of the project nor the names of its contributors
 *    may be used to endorse or promote products derived from this software
 *    without specific prior written permission.
 * 
 * THIS SOFTWARE IS PROVIDED BY THE PROJECT AND CONTRIBUTORS ``AS IS'' AND
 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
 * ARE DISCLAIMED.  IN NO EVENT SHALL THE PROJECT OR CONTRIBUTORS BE LIABLE
 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
 * SUCH DAMAGE.
 */
 
/*
 * Copyright (c) 1982, 1986, 1990, 1993
 *	The Regents of the University of California.  All rights reserved.
 *
 * Redistribution and use in source and binary forms, with or without
 * modification, are permitted provided that the following conditions
 * are met:
 * 1. Redistributions of source code must retain the above copyright
 *    notice, this list of conditions and the following disclaimer.
 * 2. Redistributions in binary form must reproduce the above copyright
 *    notice, this list of conditions and the following disclaimer in the
 *    documentation and/or other materials provided with the distribution.
 * 3. All advertising materials mentioning features or use of this software
 *    must display the following acknowledgement:
 *	This product includes software developed by the University of
 *	California, Berkeley and its contributors.
 * 4. Neither the name of the University nor the names of its contributors
 *    may be used to endorse or promote products derived from this software
 *    without specific prior written permission.
 *
 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
 * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
 * SUCH DAMAGE.
 *
 *	@(#)in_pcb.h	8.1 (Berkeley) 6/10/93
 */
 
#ifndef _NETINET6_IN6_PCB_H_
#define _NETINET6_IN6_PCB_H_
 
#include <sys/queue.h>
 
/*
 * Common structure pcb for internet protocol implementation.
 * Here are stored pointers to local and foreign host table
 * entries, local and foreign socket numbers, and pointers
 * up (to a socket structure) and down (to a protocol-specific)
 * control block.
 */
struct icmp6_filter;
struct inpcbpolicy;
 
struct	in6pcb {
	struct	in6pcb *in6p_next, *in6p_prev;
					/* pointers to other pcb's */
	struct	in6pcb *in6p_head;	/* pointer back to chain of
					   in6pcb's for this protocol */
	struct	in6_addr in6p_faddr;	/* foreign host table entry */
	u_short	in6p_fport;		/* foreign port */
	struct	in6_addr in6p_laddr;	/* local host table entry */
	u_short	in6p_lport;		/* local port */
	u_int32_t in6p_flowinfo;	/* priority and flowlabel */
	struct	socket *in6p_socket;	/* back pointer to socket */
	caddr_t	in6p_ppcb;		/* pointer to per-protocol pcb */
	struct	route_in6 in6p_route;	/* placeholder for routing entry */
	int	in6p_flags;		/* generic IP6/datagram flags */
	int	in6p_hops;		/* default hop limit */
	struct	ip6_hdr in6p_ip6;	/* header prototype */
	struct	mbuf *in6p_options;   /* IP6 options */
	struct	ip6_pktopts *in6p_outputopts; /* IP6 options for outgoing packets */
	struct	ip6_moptions *in6p_moptions; /* IP6 multicast options */
	u_short	in6p_ifindex;
	/* should move the following just after next/prev */
	LIST_ENTRY(in6pcb) in6p_hlist;	/* hash chain */
	u_long	in6p_hash;		/* hash value */
#if 1 /*IPSEC*/
	struct inpcbpolicy *in6p_sp;	/* security policy. */
#endif
	struct icmp6_filter *in6p_icmp6filt;
	int	in6p_cksum;		/* IPV6_CHECKSUM setsockopt */
};
 
#define in6p_ip6_nxt in6p_ip6.ip6_nxt  /* for KAME src sync over BSD*'s */
 
/* flags in in6p_flags */
#define IN6P_RECVOPTS		0x01	/* receive incoming IP6 options */
#define IN6P_RECVRETOPTS	0x02	/* receive IP6 options for reply */
#define IN6P_RECVDSTADDR	0x04	/* receive IP6 dst address */
#define IN6P_HIGHPORT		0x10	/* user wants "high" port binding */
#define IN6P_LOWPORT		0x20	/* user wants "low" port binding */
#define IN6P_ANONPORT		0x40	/* port chosen for user */
#define IN6P_FAITH		0x80	/* accept FAITH'ed connections */
#define IN6P_PKTINFO		0x010000
#define IN6P_HOPLIMIT		0x020000
#define IN6P_NEXTHOP		0x040000
#define IN6P_HOPOPTS		0x080000
#define IN6P_DSTOPTS		0x100000
#define IN6P_RTHDR		0x200000
#define IN6P_CONTROLOPTS	(0x3f0000 | IN6P_RECVOPTS | IN6P_RECVRETOPTS | IN6P_RECVDSTADDR)
 
#define IN6PLOOKUP_WILDCARD	1
#define IN6PLOOKUP_SETLOCAL	2
 
/* compute hash value for foreign and local in6_addr and port */
#define IN6_HASH(faddr, fport, laddr, lport) 			\
	(((faddr)->s6_addr32[0] ^ (faddr)->s6_addr32[1] ^	\
	  (faddr)->s6_addr32[2] ^ (faddr)->s6_addr32[3] ^	\
	  (laddr)->s6_addr32[0] ^ (laddr)->s6_addr32[1] ^	\
	  (laddr)->s6_addr32[2] ^ (laddr)->s6_addr32[3])	\
	 + (fport) + (lport))
 
#define sotoin6pcb(so)	((struct in6pcb *)(so)->so_pcb)
 
#ifdef _KERNEL
void	in6_losing __P((struct in6pcb *));
int	in6_pcballoc __P((struct socket *, struct in6pcb *));
int	in6_pcbbind __P((struct in6pcb *, struct mbuf *));
int	in6_pcbconnect __P((struct in6pcb *, struct mbuf *));
void	in6_pcbdetach __P((struct in6pcb *));
void	in6_pcbdisconnect __P((struct in6pcb *));
struct	in6pcb *
	in6_pcblookup __P((struct in6pcb *,
			   struct in6_addr *, u_int, struct in6_addr *,
			   u_int, int));
int	in6_pcbnotify __P((struct in6pcb *, struct sockaddr *,
			   u_int, struct in6_addr *, u_int, int,
			   void (*)(struct in6pcb *, int)));
int	in6_pcbsetport __P((struct in6_addr *, struct in6pcb *));
void	in6_rtchange __P((struct in6pcb *, int));
void	in6_setpeeraddr __P((struct in6pcb *, struct mbuf *));
void	in6_setsockaddr __P((struct in6pcb *, struct mbuf *));
struct 	in6_addr *in6_selectsrc __P((struct sockaddr_in6 *,
				     struct ip6_pktopts *,
				     struct ip6_moptions *,
				     struct route_in6 *,
				     struct in6_addr *, int *));
int	in6_selecthlim __P((struct in6pcb *, struct ifnet *));
 
#ifndef TCP6
extern struct rtentry *
	in6_pcbrtentry __P((struct in6pcb *));
extern struct in6pcb *in6_pcblookup_connect __P((struct in6pcb *,
	struct in6_addr *, u_int, struct in6_addr *, u_int, int));
extern struct in6pcb *in6_pcblookup_bind __P((struct in6pcb *,
	struct in6_addr *, u_int, int));
#endif
#endif /* _KERNEL */
 
#endif /* !_NETINET6_IN6_PCB_H_ */
 

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