Home | History | Annotate | Line # | Download | only in netinet6
in6_pcb.h revision 1.2
      1  1.2  itojun /*
      2  1.2  itojun  * Copyright (C) 1995, 1996, 1997, and 1998 WIDE Project.
      3  1.2  itojun  * All rights reserved.
      4  1.2  itojun  *
      5  1.2  itojun  * Redistribution and use in source and binary forms, with or without
      6  1.2  itojun  * modification, are permitted provided that the following conditions
      7  1.2  itojun  * are met:
      8  1.2  itojun  * 1. Redistributions of source code must retain the above copyright
      9  1.2  itojun  *    notice, this list of conditions and the following disclaimer.
     10  1.2  itojun  * 2. Redistributions in binary form must reproduce the above copyright
     11  1.2  itojun  *    notice, this list of conditions and the following disclaimer in the
     12  1.2  itojun  *    documentation and/or other materials provided with the distribution.
     13  1.2  itojun  * 3. Neither the name of the project nor the names of its contributors
     14  1.2  itojun  *    may be used to endorse or promote products derived from this software
     15  1.2  itojun  *    without specific prior written permission.
     16  1.2  itojun  *
     17  1.2  itojun  * THIS SOFTWARE IS PROVIDED BY THE PROJECT AND CONTRIBUTORS ``AS IS'' AND
     18  1.2  itojun  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
     19  1.2  itojun  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
     20  1.2  itojun  * ARE DISCLAIMED.  IN NO EVENT SHALL THE PROJECT OR CONTRIBUTORS BE LIABLE
     21  1.2  itojun  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
     22  1.2  itojun  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
     23  1.2  itojun  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
     24  1.2  itojun  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
     25  1.2  itojun  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
     26  1.2  itojun  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
     27  1.2  itojun  * SUCH DAMAGE.
     28  1.2  itojun  */
     29  1.2  itojun 
     30  1.2  itojun /*
     31  1.2  itojun  * Copyright (c) 1982, 1986, 1990, 1993
     32  1.2  itojun  *	The Regents of the University of California.  All rights reserved.
     33  1.2  itojun  *
     34  1.2  itojun  * Redistribution and use in source and binary forms, with or without
     35  1.2  itojun  * modification, are permitted provided that the following conditions
     36  1.2  itojun  * are met:
     37  1.2  itojun  * 1. Redistributions of source code must retain the above copyright
     38  1.2  itojun  *    notice, this list of conditions and the following disclaimer.
     39  1.2  itojun  * 2. Redistributions in binary form must reproduce the above copyright
     40  1.2  itojun  *    notice, this list of conditions and the following disclaimer in the
     41  1.2  itojun  *    documentation and/or other materials provided with the distribution.
     42  1.2  itojun  * 3. All advertising materials mentioning features or use of this software
     43  1.2  itojun  *    must display the following acknowledgement:
     44  1.2  itojun  *	This product includes software developed by the University of
     45  1.2  itojun  *	California, Berkeley and its contributors.
     46  1.2  itojun  * 4. Neither the name of the University nor the names of its contributors
     47  1.2  itojun  *    may be used to endorse or promote products derived from this software
     48  1.2  itojun  *    without specific prior written permission.
     49  1.2  itojun  *
     50  1.2  itojun  * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
     51  1.2  itojun  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
     52  1.2  itojun  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
     53  1.2  itojun  * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
     54  1.2  itojun  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
     55  1.2  itojun  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
     56  1.2  itojun  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
     57  1.2  itojun  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
     58  1.2  itojun  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
     59  1.2  itojun  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
     60  1.2  itojun  * SUCH DAMAGE.
     61  1.2  itojun  *
     62  1.2  itojun  *	@(#)in_pcb.h	8.1 (Berkeley) 6/10/93
     63  1.2  itojun  */
     64  1.2  itojun 
     65  1.2  itojun #ifndef _NETINET6_IN6_PCB_H_
     66  1.2  itojun #define _NETINET6_IN6_PCB_H_
     67  1.2  itojun 
     68  1.2  itojun #include <sys/queue.h>
     69  1.2  itojun #if 1 /*IPSEC*/
     70  1.2  itojun #include <netinet6/ipsec.h>
     71  1.2  itojun #endif
     72  1.2  itojun 
     73  1.2  itojun /*
     74  1.2  itojun  * Common structure pcb for internet protocol implementation.
     75  1.2  itojun  * Here are stored pointers to local and foreign host table
     76  1.2  itojun  * entries, local and foreign socket numbers, and pointers
     77  1.2  itojun  * up (to a socket structure) and down (to a protocol-specific)
     78  1.2  itojun  * control block.
     79  1.2  itojun  */
     80  1.2  itojun struct icmp6_filter;
     81  1.2  itojun 
     82  1.2  itojun struct	in6pcb {
     83  1.2  itojun 	struct	in6pcb *in6p_next, *in6p_prev;
     84  1.2  itojun 					/* pointers to other pcb's */
     85  1.2  itojun 	struct	in6pcb *in6p_head;	/* pointer back to chain of
     86  1.2  itojun 					   in6pcb's for this protocol */
     87  1.2  itojun 	struct	in6_addr in6p_faddr;	/* foreign host table entry */
     88  1.2  itojun 	u_short	in6p_fport;		/* foreign port */
     89  1.2  itojun 	struct	in6_addr in6p_laddr;	/* local host table entry */
     90  1.2  itojun 	u_short	in6p_lport;		/* local port */
     91  1.2  itojun 	u_long	in6p_flowinfo;		/* priority and flowlabel */
     92  1.2  itojun 	struct	socket *in6p_socket;	/* back pointer to socket */
     93  1.2  itojun 	caddr_t	in6p_ppcb;		/* pointer to per-protocol pcb */
     94  1.2  itojun 	struct	route_in6 in6p_route;	/* placeholder for routing entry */
     95  1.2  itojun 	int	in6p_flags;		/* generic IP6/datagram flags */
     96  1.2  itojun 	int	in6p_hops;		/* default hop limit */
     97  1.2  itojun 	struct	ip6_hdr in6p_ip6;	/* header prototype */
     98  1.2  itojun 	struct	mbuf *in6p_options;   /* IP6 options */
     99  1.2  itojun 	struct	ip6_pktopts *in6p_outputopts; /* IP6 options for outgoing packets */
    100  1.2  itojun 	struct	ip6_moptions *in6p_moptions; /* IP6 multicast options */
    101  1.2  itojun 	u_short	in6p_ifindex;
    102  1.2  itojun 	/* should move the following just after next/prev */
    103  1.2  itojun 	LIST_ENTRY(in6pcb) in6p_hlist;	/* hash chain */
    104  1.2  itojun 	u_long	in6p_hash;		/* hash value */
    105  1.2  itojun #if 1 /*IPSEC*/
    106  1.2  itojun 	struct secpolicy *in6p_sp;	/* security policy. It may not be
    107  1.2  itojun 					 * used according to policy selection.
    108  1.2  itojun 					 */
    109  1.2  itojun #endif
    110  1.2  itojun 	struct icmp6_filter *in6p_icmp6filt;
    111  1.2  itojun 	int	in6p_cksum;		/* IPV6_CHECKSUM setsockopt */
    112  1.2  itojun };
    113  1.2  itojun 
    114  1.2  itojun #define in6p_ip6_nxt in6p_ip6.ip6_nxt  /* for KAME src sync over BSD*'s */
    115  1.2  itojun 
    116  1.2  itojun /* flags in in6p_flags */
    117  1.2  itojun #define IN6P_RECVOPTS		0x01	/* receive incoming IP6 options */
    118  1.2  itojun #define IN6P_RECVRETOPTS	0x02	/* receive IP6 options for reply */
    119  1.2  itojun #define IN6P_RECVDSTADDR	0x04	/* receive IP6 dst address */
    120  1.2  itojun #define IN6P_HIGHPORT		0x10	/* user wants "high" port binding */
    121  1.2  itojun #define IN6P_LOWPORT		0x20	/* user wants "low" port binding */
    122  1.2  itojun #define IN6P_ANONPORT		0x40	/* port chosen for user */
    123  1.2  itojun #define IN6P_FAITH		0x80	/* accept FAITH'ed connections */
    124  1.2  itojun #define IN6P_PKTINFO		0x010000
    125  1.2  itojun #define IN6P_HOPLIMIT		0x020000
    126  1.2  itojun #define IN6P_NEXTHOP		0x040000
    127  1.2  itojun #define IN6P_HOPOPTS		0x080000
    128  1.2  itojun #define IN6P_DSTOPTS		0x100000
    129  1.2  itojun #define IN6P_RTHDR		0x200000
    130  1.2  itojun #define IN6P_CONTROLOPTS	(0x3f0000 | IN6P_RECVOPTS | IN6P_RECVRETOPTS | IN6P_RECVDSTADDR)
    131  1.2  itojun 
    132  1.2  itojun #define IN6PLOOKUP_WILDCARD	1
    133  1.2  itojun #define IN6PLOOKUP_SETLOCAL	2
    134  1.2  itojun 
    135  1.2  itojun /* compute hash value for foreign and local in6_addr and port */
    136  1.2  itojun #define IN6_HASH(faddr, fport, laddr, lport) 			\
    137  1.2  itojun 	(((faddr)->s6_addr32[0] ^ (faddr)->s6_addr32[1] ^	\
    138  1.2  itojun 	  (faddr)->s6_addr32[2] ^ (faddr)->s6_addr32[3] ^	\
    139  1.2  itojun 	  (laddr)->s6_addr32[0] ^ (laddr)->s6_addr32[1] ^	\
    140  1.2  itojun 	  (laddr)->s6_addr32[2] ^ (laddr)->s6_addr32[3])	\
    141  1.2  itojun 	 + (fport) + (lport))
    142  1.2  itojun 
    143  1.2  itojun #define sotoin6pcb(so)	((struct in6pcb *)(so)->so_pcb)
    144  1.2  itojun 
    145  1.2  itojun #ifdef _KERNEL
    146  1.2  itojun void	in6_losing __P((struct in6pcb *));
    147  1.2  itojun int	in6_pcballoc __P((struct socket *, struct in6pcb *));
    148  1.2  itojun int	in6_pcbbind __P((struct in6pcb *, struct mbuf *));
    149  1.2  itojun int	in6_pcbconnect __P((struct in6pcb *, struct mbuf *));
    150  1.2  itojun void	in6_pcbdetach __P((struct in6pcb *));
    151  1.2  itojun void	in6_pcbdisconnect __P((struct in6pcb *));
    152  1.2  itojun struct	in6pcb *
    153  1.2  itojun 	in6_pcblookup __P((struct in6pcb *,
    154  1.2  itojun 			   struct in6_addr *, u_int, struct in6_addr *,
    155  1.2  itojun 			   u_int, int));
    156  1.2  itojun int	in6_pcbnotify __P((struct in6pcb *, struct sockaddr *,
    157  1.2  itojun 			   u_int, struct in6_addr *, u_int, int,
    158  1.2  itojun 			   void (*)(struct in6pcb *, int)));
    159  1.2  itojun void	in6_rtchange __P((struct in6pcb *, int));
    160  1.2  itojun void	in6_setpeeraddr __P((struct in6pcb *, struct mbuf *));
    161  1.2  itojun void	in6_setsockaddr __P((struct in6pcb *, struct mbuf *));
    162  1.2  itojun struct 	in6_addr *in6_selectsrc __P((struct sockaddr_in6 *,
    163  1.2  itojun 			struct ip6_pktopts *, struct ip6_moptions *,
    164  1.2  itojun 			struct route_in6 *, int *));
    165  1.2  itojun 
    166  1.2  itojun #ifndef TCP6
    167  1.2  itojun extern struct rtentry *
    168  1.2  itojun 	in6_pcbrtentry __P((struct in6pcb *));
    169  1.2  itojun extern struct in6pcb *in6_pcblookup_connect __P((struct in6pcb *,
    170  1.2  itojun 	struct in6_addr *, u_int, struct in6_addr *, u_int));
    171  1.2  itojun extern struct in6pcb *in6_pcblookup_bind __P((struct in6pcb *,
    172  1.2  itojun 	struct in6_addr *, u_int));
    173  1.2  itojun #endif
    174  1.2  itojun #endif /* _KERNEL */
    175  1.2  itojun 
    176  1.2  itojun #endif /* !_NETINET6_IN6_PCB_H_ */
    177