/* $NetBSD: in6_pcb.h,v 1.49 2017/03/02 05:26:24 ozaki-r 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. 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 #include #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 in6pcb { struct inpcb_hdr in6p_head; #define in6p_hash in6p_head.inph_hash #define in6p_queue in6p_head.inph_queue #define in6p_af in6p_head.inph_af #define in6p_ppcb in6p_head.inph_ppcb #define in6p_state in6p_head.inph_state #define in6p_portalgo in6p_head.inph_portalgo #define in6p_socket in6p_head.inph_socket #define in6p_table in6p_head.inph_table #define in6p_sp in6p_head.inph_sp struct route in6p_route; /* placeholder for routing entry */ u_int16_t in6p_fport; /* foreign port */ u_int16_t in6p_lport; /* local port */ u_int32_t in6p_flowinfo; /* priority and flowlabel */ 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 */ struct icmp6_filter *in6p_icmp6filt; int in6p_cksum; /* IPV6_CHECKSUM setsockopt */ bool in6p_bindportonsend; struct ip_moptions *in6p_v4moptions;/* IP4 multicast options */ }; #define in6p_faddr in6p_ip6.ip6_dst #define in6p_laddr in6p_ip6.ip6_src #define in6p_lock(in6p) solock((in6p)->in6p_socket) #define in6p_unlock(in6p) sounlock((in6p)->in6p_socket) #define in6p_locked(in6p) solocked((in6p)->in6p_socket) /* states in inp_state: */ #define IN6P_ATTACHED INP_ATTACHED #define IN6P_BOUND INP_BOUND #define IN6P_CONNECTED INP_CONNECTED /* * 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_IPV6_V6ONLY 0x008000 /* restrict AF_INET6 socket for v6 */ #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_TCLASS 0x400000 /* traffic class */ #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_RFC2292 0x40000000 /* RFC2292 */ #define IN6P_MTU 0x80000000 /* use minimum MTU */ #define IN6P_CONTROLOPTS (IN6P_PKTINFO|IN6P_HOPLIMIT|IN6P_HOPOPTS|\ IN6P_DSTOPTS|IN6P_RTHDR|IN6P_RTHDRDSTOPTS|\ IN6P_TCLASS|IN6P_RFC2292|\ IN6P_MTU) #ifdef _KERNEL /* 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) void in6_losing(struct in6pcb *); void in6_pcbinit(struct inpcbtable *, int, int); int in6_pcballoc(struct socket *, void *); int in6_pcbbind(void *, struct sockaddr_in6 *, struct lwp *); int in6_pcbconnect(void *, struct sockaddr_in6 *, struct lwp *); void in6_pcbdetach(struct in6pcb *); void in6_pcbdisconnect(struct in6pcb *); struct in6pcb *in6_pcblookup_port(struct inpcbtable *, struct in6_addr *, u_int, int, struct vestigial_inpcb *); int in6_pcbnotify(struct inpcbtable *, const struct sockaddr *, u_int, const struct sockaddr *, u_int, int, void *, void (*)(struct in6pcb *, int)); void in6_pcbpurgeif0(struct inpcbtable *, struct ifnet *); void in6_pcbpurgeif(struct inpcbtable *, struct ifnet *); void in6_pcbstate(struct in6pcb *, int); void in6_rtchange(struct in6pcb *, int); void in6_setpeeraddr(struct in6pcb *, struct sockaddr_in6 *); void in6_setsockaddr(struct in6pcb *, struct sockaddr_in6 *); /* in in6_src.c */ int in6_selecthlim(struct in6pcb *, struct ifnet *); int in6_selecthlim_rt(struct in6pcb *); int in6_pcbsetport(struct sockaddr_in6 *, struct in6pcb *, struct lwp *); extern struct rtentry * in6_pcbrtentry(struct in6pcb *); extern void in6_pcbrtentry_unref(struct rtentry *, struct in6pcb *); extern struct in6pcb *in6_pcblookup_connect(struct inpcbtable *, const struct in6_addr *, u_int, const struct in6_addr *, u_int, int, struct vestigial_inpcb *); extern struct in6pcb *in6_pcblookup_bind(struct inpcbtable *, const struct in6_addr *, u_int, int); #endif /* _KERNEL */ #endif /* !_NETINET6_IN6_PCB_H_ */