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Diffstat (limited to 'sys/netinet6/in6_pcb.h')
| -rw-r--r-- | sys/netinet6/in6_pcb.h | 178 |
1 files changed, 178 insertions, 0 deletions
diff --git a/sys/netinet6/in6_pcb.h b/sys/netinet6/in6_pcb.h new file mode 100644 index 00000000000..f329098242a --- /dev/null +++ b/sys/netinet6/in6_pcb.h @@ -0,0 +1,178 @@ +/* $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_ */ |