in6_pcb.h revision 1.2
1 /* 2 * Copyright (C) 1995, 1996, 1997, and 1998 WIDE Project. 3 * All rights reserved. 4 * 5 * Redistribution and use in source and binary forms, with or without 6 * modification, are permitted provided that the following conditions 7 * are met: 8 * 1. Redistributions of source code must retain the above copyright 9 * notice, this list of conditions and the following disclaimer. 10 * 2. Redistributions in binary form must reproduce the above copyright 11 * notice, this list of conditions and the following disclaimer in the 12 * documentation and/or other materials provided with the distribution. 13 * 3. Neither the name of the project nor the names of its contributors 14 * may be used to endorse or promote products derived from this software 15 * without specific prior written permission. 16 * 17 * THIS SOFTWARE IS PROVIDED BY THE PROJECT AND CONTRIBUTORS ``AS IS'' AND 18 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 19 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 20 * ARE DISCLAIMED. IN NO EVENT SHALL THE PROJECT OR CONTRIBUTORS BE LIABLE 21 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 22 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 23 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 24 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 25 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 26 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 27 * SUCH DAMAGE. 28 */ 29 30 /* 31 * Copyright (c) 1982, 1986, 1990, 1993 32 * The Regents of the University of California. All rights reserved. 33 * 34 * Redistribution and use in source and binary forms, with or without 35 * modification, are permitted provided that the following conditions 36 * are met: 37 * 1. Redistributions of source code must retain the above copyright 38 * notice, this list of conditions and the following disclaimer. 39 * 2. Redistributions in binary form must reproduce the above copyright 40 * notice, this list of conditions and the following disclaimer in the 41 * documentation and/or other materials provided with the distribution. 42 * 3. All advertising materials mentioning features or use of this software 43 * must display the following acknowledgement: 44 * This product includes software developed by the University of 45 * California, Berkeley and its contributors. 46 * 4. Neither the name of the University nor the names of its contributors 47 * may be used to endorse or promote products derived from this software 48 * without specific prior written permission. 49 * 50 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND 51 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 52 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 53 * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE 54 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 55 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 56 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 57 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 58 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 59 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 60 * SUCH DAMAGE. 61 * 62 * @(#)in_pcb.h 8.1 (Berkeley) 6/10/93 63 */ 64 65 #ifndef _NETINET6_IN6_PCB_H_ 66 #define _NETINET6_IN6_PCB_H_ 67 68 #include <sys/queue.h> 69 #if 1 /*IPSEC*/ 70 #include <netinet6/ipsec.h> 71 #endif 72 73 /* 74 * Common structure pcb for internet protocol implementation. 75 * Here are stored pointers to local and foreign host table 76 * entries, local and foreign socket numbers, and pointers 77 * up (to a socket structure) and down (to a protocol-specific) 78 * control block. 79 */ 80 struct icmp6_filter; 81 82 struct in6pcb { 83 struct in6pcb *in6p_next, *in6p_prev; 84 /* pointers to other pcb's */ 85 struct in6pcb *in6p_head; /* pointer back to chain of 86 in6pcb's for this protocol */ 87 struct in6_addr in6p_faddr; /* foreign host table entry */ 88 u_short in6p_fport; /* foreign port */ 89 struct in6_addr in6p_laddr; /* local host table entry */ 90 u_short in6p_lport; /* local port */ 91 u_long in6p_flowinfo; /* priority and flowlabel */ 92 struct socket *in6p_socket; /* back pointer to socket */ 93 caddr_t in6p_ppcb; /* pointer to per-protocol pcb */ 94 struct route_in6 in6p_route; /* placeholder for routing entry */ 95 int in6p_flags; /* generic IP6/datagram flags */ 96 int in6p_hops; /* default hop limit */ 97 struct ip6_hdr in6p_ip6; /* header prototype */ 98 struct mbuf *in6p_options; /* IP6 options */ 99 struct ip6_pktopts *in6p_outputopts; /* IP6 options for outgoing packets */ 100 struct ip6_moptions *in6p_moptions; /* IP6 multicast options */ 101 u_short in6p_ifindex; 102 /* should move the following just after next/prev */ 103 LIST_ENTRY(in6pcb) in6p_hlist; /* hash chain */ 104 u_long in6p_hash; /* hash value */ 105 #if 1 /*IPSEC*/ 106 struct secpolicy *in6p_sp; /* security policy. It may not be 107 * used according to policy selection. 108 */ 109 #endif 110 struct icmp6_filter *in6p_icmp6filt; 111 int in6p_cksum; /* IPV6_CHECKSUM setsockopt */ 112 }; 113 114 #define in6p_ip6_nxt in6p_ip6.ip6_nxt /* for KAME src sync over BSD*'s */ 115 116 /* flags in in6p_flags */ 117 #define IN6P_RECVOPTS 0x01 /* receive incoming IP6 options */ 118 #define IN6P_RECVRETOPTS 0x02 /* receive IP6 options for reply */ 119 #define IN6P_RECVDSTADDR 0x04 /* receive IP6 dst address */ 120 #define IN6P_HIGHPORT 0x10 /* user wants "high" port binding */ 121 #define IN6P_LOWPORT 0x20 /* user wants "low" port binding */ 122 #define IN6P_ANONPORT 0x40 /* port chosen for user */ 123 #define IN6P_FAITH 0x80 /* accept FAITH'ed connections */ 124 #define IN6P_PKTINFO 0x010000 125 #define IN6P_HOPLIMIT 0x020000 126 #define IN6P_NEXTHOP 0x040000 127 #define IN6P_HOPOPTS 0x080000 128 #define IN6P_DSTOPTS 0x100000 129 #define IN6P_RTHDR 0x200000 130 #define IN6P_CONTROLOPTS (0x3f0000 | IN6P_RECVOPTS | IN6P_RECVRETOPTS | IN6P_RECVDSTADDR) 131 132 #define IN6PLOOKUP_WILDCARD 1 133 #define IN6PLOOKUP_SETLOCAL 2 134 135 /* compute hash value for foreign and local in6_addr and port */ 136 #define IN6_HASH(faddr, fport, laddr, lport) \ 137 (((faddr)->s6_addr32[0] ^ (faddr)->s6_addr32[1] ^ \ 138 (faddr)->s6_addr32[2] ^ (faddr)->s6_addr32[3] ^ \ 139 (laddr)->s6_addr32[0] ^ (laddr)->s6_addr32[1] ^ \ 140 (laddr)->s6_addr32[2] ^ (laddr)->s6_addr32[3]) \ 141 + (fport) + (lport)) 142 143 #define sotoin6pcb(so) ((struct in6pcb *)(so)->so_pcb) 144 145 #ifdef _KERNEL 146 void in6_losing __P((struct in6pcb *)); 147 int in6_pcballoc __P((struct socket *, struct in6pcb *)); 148 int in6_pcbbind __P((struct in6pcb *, struct mbuf *)); 149 int in6_pcbconnect __P((struct in6pcb *, struct mbuf *)); 150 void in6_pcbdetach __P((struct in6pcb *)); 151 void in6_pcbdisconnect __P((struct in6pcb *)); 152 struct in6pcb * 153 in6_pcblookup __P((struct in6pcb *, 154 struct in6_addr *, u_int, struct in6_addr *, 155 u_int, int)); 156 int in6_pcbnotify __P((struct in6pcb *, struct sockaddr *, 157 u_int, struct in6_addr *, u_int, int, 158 void (*)(struct in6pcb *, int))); 159 void in6_rtchange __P((struct in6pcb *, int)); 160 void in6_setpeeraddr __P((struct in6pcb *, struct mbuf *)); 161 void in6_setsockaddr __P((struct in6pcb *, struct mbuf *)); 162 struct in6_addr *in6_selectsrc __P((struct sockaddr_in6 *, 163 struct ip6_pktopts *, struct ip6_moptions *, 164 struct route_in6 *, int *)); 165 166 #ifndef TCP6 167 extern struct rtentry * 168 in6_pcbrtentry __P((struct in6pcb *)); 169 extern struct in6pcb *in6_pcblookup_connect __P((struct in6pcb *, 170 struct in6_addr *, u_int, struct in6_addr *, u_int)); 171 extern struct in6pcb *in6_pcblookup_bind __P((struct in6pcb *, 172 struct in6_addr *, u_int)); 173 #endif 174 #endif /* _KERNEL */ 175 176 #endif /* !_NETINET6_IN6_PCB_H_ */ 177
Indexes created Wed Sep 24 05:09:52 GMT 2025