/* $NetBSD: in6_pcb.h,v 1.17 2001/07/02 15:25:36 itojun Exp $ */ /* $KAME: in6_pcb.h,v 1.45 2001/02/09 05:59:46 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 /* * 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_int16_t in6p_fport; /* foreign port */ struct in6_addr in6p_laddr; /* local host table entry */ u_int16_t 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 */ }; #ifdef _KERNEL #define in6p_ip6_nxt in6p_ip6.ip6_nxt /* for KAME src sync over BSD*'s */ #endif /* * Flags in in6p_flags * We define KAME's original flags in higher 16 bits as much as possible * for compatibility with *bsd*s. */ #define IN6P_RECVOPTS 0x001000 /* receive incoming IP6 options */ #define IN6P_RECVRETOPTS 0x002000 /* receive IP6 options for reply */ #define IN6P_RECVDSTADDR 0x004000 /* receive IP6 dst address */ #define IN6P_PKTINFO 0x010000 /* receive IP6 dst and I/F */ #define IN6P_HOPLIMIT 0x020000 /* receive hoplimit */ #define IN6P_HOPOPTS 0x040000 /* receive hop-by-hop options */ #define IN6P_DSTOPTS 0x080000 /* receive dst options after rthdr */ #define IN6P_RTHDR 0x100000 /* receive routing header */ #define IN6P_RTHDRDSTOPTS 0x200000 /* receive dstoptions before rthdr */ #define IN6P_HIGHPORT 0x1000000 /* user wants "high" port binding */ #define IN6P_LOWPORT 0x2000000 /* user wants "low" port binding */ #define IN6P_ANONPORT 0x4000000 /* port chosen for user */ #define IN6P_FAITH 0x8000000 /* accept FAITH'ed connections */ #define IN6P_BINDV6ONLY 0x10000000 /* do not grab IPv4 traffic */ #define IN6P_CONTROLOPTS (IN6P_PKTINFO|IN6P_HOPLIMIT|IN6P_HOPOPTS|\ IN6P_DSTOPTS|IN6P_RTHDR|IN6P_RTHDRDSTOPTS) #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 *, struct proc *)); 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 sockaddr *, u_int, int, void *, void (*)(struct in6pcb *, int))); void in6_pcbpurgeif0 __P((struct in6pcb *, struct ifnet *)); void in6_pcbpurgeif __P((struct in6pcb *, struct ifnet *)); void in6_rtchange __P((struct in6pcb *, int)); void in6_setpeeraddr __P((struct in6pcb *, struct mbuf *)); void in6_setsockaddr __P((struct in6pcb *, struct mbuf *)); /* in in6_src.c */ 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 *)); int in6_pcbsetport __P((struct in6_addr *, struct in6pcb *)); 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 /* _KERNEL */ #endif /* !_NETINET6_IN6_PCB_H_ */