in6_pcb.h revision 1.7
1 /* $NetBSD: in6_pcb.h,v 1.7 1999/12/27 06:38:47 itojun Exp $ */ 2 3 /* 4 * Copyright (C) 1995, 1996, 1997, and 1998 WIDE Project. 5 * All rights reserved. 6 * 7 * Redistribution and use in source and binary forms, with or without 8 * modification, are permitted provided that the following conditions 9 * are met: 10 * 1. Redistributions of source code must retain the above copyright 11 * notice, this list of conditions and the following disclaimer. 12 * 2. Redistributions in binary form must reproduce the above copyright 13 * notice, this list of conditions and the following disclaimer in the 14 * documentation and/or other materials provided with the distribution. 15 * 3. Neither the name of the project nor the names of its contributors 16 * may be used to endorse or promote products derived from this software 17 * without specific prior written permission. 18 * 19 * THIS SOFTWARE IS PROVIDED BY THE PROJECT AND CONTRIBUTORS ``AS IS'' AND 20 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 21 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 22 * ARE DISCLAIMED. IN NO EVENT SHALL THE PROJECT OR CONTRIBUTORS BE LIABLE 23 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 24 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 25 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 26 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 27 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 28 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 29 * SUCH DAMAGE. 30 */ 31 32 /* 33 * Copyright (c) 1982, 1986, 1990, 1993 34 * The Regents of the University of California. All rights reserved. 35 * 36 * Redistribution and use in source and binary forms, with or without 37 * modification, are permitted provided that the following conditions 38 * are met: 39 * 1. Redistributions of source code must retain the above copyright 40 * notice, this list of conditions and the following disclaimer. 41 * 2. Redistributions in binary form must reproduce the above copyright 42 * notice, this list of conditions and the following disclaimer in the 43 * documentation and/or other materials provided with the distribution. 44 * 3. All advertising materials mentioning features or use of this software 45 * must display the following acknowledgement: 46 * This product includes software developed by the University of 47 * California, Berkeley and its contributors. 48 * 4. Neither the name of the University nor the names of its contributors 49 * may be used to endorse or promote products derived from this software 50 * without specific prior written permission. 51 * 52 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND 53 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 54 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 55 * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE 56 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 57 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 58 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 59 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 60 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 61 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 62 * SUCH DAMAGE. 63 * 64 * @(#)in_pcb.h 8.1 (Berkeley) 6/10/93 65 */ 66 67 #ifndef _NETINET6_IN6_PCB_H_ 68 #define _NETINET6_IN6_PCB_H_ 69 70 #include <sys/queue.h> 71 72 /* 73 * Common structure pcb for internet protocol implementation. 74 * Here are stored pointers to local and foreign host table 75 * entries, local and foreign socket numbers, and pointers 76 * up (to a socket structure) and down (to a protocol-specific) 77 * control block. 78 */ 79 struct icmp6_filter; 80 81 struct in6pcb { 82 struct in6pcb *in6p_next, *in6p_prev; 83 /* pointers to other pcb's */ 84 struct in6pcb *in6p_head; /* pointer back to chain of 85 in6pcb's for this protocol */ 86 struct in6_addr in6p_faddr; /* foreign host table entry */ 87 u_short in6p_fport; /* foreign port */ 88 struct in6_addr in6p_laddr; /* local host table entry */ 89 u_short in6p_lport; /* local port */ 90 u_int32_t in6p_flowinfo; /* priority and flowlabel */ 91 struct socket *in6p_socket; /* back pointer to socket */ 92 caddr_t in6p_ppcb; /* pointer to per-protocol pcb */ 93 struct route_in6 in6p_route; /* placeholder for routing entry */ 94 int in6p_flags; /* generic IP6/datagram flags */ 95 int in6p_hops; /* default hop limit */ 96 struct ip6_hdr in6p_ip6; /* header prototype */ 97 struct mbuf *in6p_options; /* IP6 options */ 98 struct ip6_pktopts *in6p_outputopts; /* IP6 options for outgoing packets */ 99 struct ip6_moptions *in6p_moptions; /* IP6 multicast options */ 100 u_short in6p_ifindex; 101 /* should move the following just after next/prev */ 102 LIST_ENTRY(in6pcb) in6p_hlist; /* hash chain */ 103 u_long in6p_hash; /* hash value */ 104 #if 1 /*IPSEC*/ 105 struct secpolicy *in6p_sp; /* security policy. It may not be 106 * used according to policy selection. 107 */ 108 #endif 109 struct icmp6_filter *in6p_icmp6filt; 110 int in6p_cksum; /* IPV6_CHECKSUM setsockopt */ 111 }; 112 113 #define in6p_ip6_nxt in6p_ip6.ip6_nxt /* for KAME src sync over BSD*'s */ 114 115 /* 116 * Flags in in6p_flags 117 * We define KAME's original flags in higher 16 bits as much as possible 118 * for compatibility with *bsd*s. 119 */ 120 #define IN6P_RECVOPTS 0x001000 /* receive incoming IP6 options */ 121 #define IN6P_RECVRETOPTS 0x002000 /* receive IP6 options for reply */ 122 #define IN6P_RECVDSTADDR 0x004000 /* receive IP6 dst address */ 123 #define IN6P_PKTINFO 0x010000 /* receive IP6 dst and I/F */ 124 #define IN6P_HOPLIMIT 0x020000 /* receive hoplimit */ 125 #define IN6P_HOPOPTS 0x040000 /* receive hop-by-hop options */ 126 #define IN6P_DSTOPTS 0x080000 /* receive dst options after rthdr */ 127 #define IN6P_RTHDR 0x100000 /* receive routing header */ 128 #define IN6P_RTHDRDSTOPTS 0x200000 /* receive dstoptions before rthdr */ 129 130 #define IN6P_HIGHPORT 0x1000000 /* user wants "high" port binding */ 131 #define IN6P_LOWPORT 0x2000000 /* user wants "low" port binding */ 132 #define IN6P_ANONPORT 0x4000000 /* port chosen for user */ 133 #define IN6P_FAITH 0x8000000 /* accept FAITH'ed connections */ 134 #define IN6P_BINDV6ONLY 0x10000000 /* do not grab IPv4 traffic */ 135 136 #define IN6P_CONTROLOPTS (IN6P_PKTINFO|IN6P_HOPLIMIT|IN6P_HOPOPTS|\ 137 IN6P_DSTOPTS|IN6P_RTHDR|IN6P_RTHDRDSTOPTS) 138 139 140 #define IN6PLOOKUP_WILDCARD 1 141 #define IN6PLOOKUP_SETLOCAL 2 142 143 /* compute hash value for foreign and local in6_addr and port */ 144 #define IN6_HASH(faddr, fport, laddr, lport) \ 145 (((faddr)->s6_addr32[0] ^ (faddr)->s6_addr32[1] ^ \ 146 (faddr)->s6_addr32[2] ^ (faddr)->s6_addr32[3] ^ \ 147 (laddr)->s6_addr32[0] ^ (laddr)->s6_addr32[1] ^ \ 148 (laddr)->s6_addr32[2] ^ (laddr)->s6_addr32[3]) \ 149 + (fport) + (lport)) 150 151 #define sotoin6pcb(so) ((struct in6pcb *)(so)->so_pcb) 152 153 #ifdef _KERNEL 154 void in6_losing __P((struct in6pcb *)); 155 int in6_pcballoc __P((struct socket *, struct in6pcb *)); 156 int in6_pcbbind __P((struct in6pcb *, struct mbuf *)); 157 int in6_pcbconnect __P((struct in6pcb *, struct mbuf *)); 158 void in6_pcbdetach __P((struct in6pcb *)); 159 void in6_pcbdisconnect __P((struct in6pcb *)); 160 struct in6pcb * 161 in6_pcblookup __P((struct in6pcb *, 162 struct in6_addr *, u_int, struct in6_addr *, 163 u_int, int)); 164 int in6_pcbnotify __P((struct in6pcb *, struct sockaddr *, 165 u_int, struct in6_addr *, u_int, int, 166 void (*)(struct in6pcb *, int))); 167 int in6_pcbsetport __P((struct in6_addr *, struct in6pcb *)); 168 void in6_rtchange __P((struct in6pcb *, int)); 169 void in6_setpeeraddr __P((struct in6pcb *, struct mbuf *)); 170 void in6_setsockaddr __P((struct in6pcb *, struct mbuf *)); 171 struct in6_addr *in6_selectsrc __P((struct sockaddr_in6 *, 172 struct ip6_pktopts *, 173 struct ip6_moptions *, 174 struct route_in6 *, 175 struct in6_addr *, int *)); 176 int in6_selecthlim __P((struct in6pcb *, struct ifnet *)); 177 178 #ifndef TCP6 179 extern struct rtentry * 180 in6_pcbrtentry __P((struct in6pcb *)); 181 extern struct in6pcb *in6_pcblookup_connect __P((struct in6pcb *, 182 struct in6_addr *, u_int, struct in6_addr *, u_int, int)); 183 extern struct in6pcb *in6_pcblookup_bind __P((struct in6pcb *, 184 struct in6_addr *, u_int, int)); 185 #endif 186 #endif /* _KERNEL */ 187 188 #endif /* !_NETINET6_IN6_PCB_H_ */ 189
Indexes created Fri Sep 26 20:09:58 GMT 2025