| 1 | /* $NetBSD: in6_pcb.h,v 1.46 2015/05/24 15:43:45 rtr Exp $ */ |
| 2 | /* $KAME: in6_pcb.h,v 1.45 2001/02/09 05:59:46 itojun Exp $ */ |
| 3 | |
| 4 | /* |
| 5 | * Copyright (C) 1995, 1996, 1997, and 1998 WIDE Project. |
| 6 | * All rights reserved. |
| 7 | * |
| 8 | * Redistribution and use in source and binary forms, with or without |
| 9 | * modification, are permitted provided that the following conditions |
| 10 | * are met: |
| 11 | * 1. Redistributions of source code must retain the above copyright |
| 12 | * notice, this list of conditions and the following disclaimer. |
| 13 | * 2. Redistributions in binary form must reproduce the above copyright |
| 14 | * notice, this list of conditions and the following disclaimer in the |
| 15 | * documentation and/or other materials provided with the distribution. |
| 16 | * 3. Neither the name of the project nor the names of its contributors |
| 17 | * may be used to endorse or promote products derived from this software |
| 18 | * without specific prior written permission. |
| 19 | * |
| 20 | * THIS SOFTWARE IS PROVIDED BY THE PROJECT AND CONTRIBUTORS ``AS IS'' AND |
| 21 | * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE |
| 22 | * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE |
| 23 | * ARE DISCLAIMED. IN NO EVENT SHALL THE PROJECT OR CONTRIBUTORS BE LIABLE |
| 24 | * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL |
| 25 | * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS |
| 26 | * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) |
| 27 | * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT |
| 28 | * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY |
| 29 | * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF |
| 30 | * SUCH DAMAGE. |
| 31 | */ |
| 32 | |
| 33 | /* |
| 34 | * Copyright (c) 1982, 1986, 1990, 1993 |
| 35 | * The Regents of the University of California. All rights reserved. |
| 36 | * |
| 37 | * Redistribution and use in source and binary forms, with or without |
| 38 | * modification, are permitted provided that the following conditions |
| 39 | * are met: |
| 40 | * 1. Redistributions of source code must retain the above copyright |
| 41 | * notice, this list of conditions and the following disclaimer. |
| 42 | * 2. Redistributions in binary form must reproduce the above copyright |
| 43 | * notice, this list of conditions and the following disclaimer in the |
| 44 | * documentation and/or other materials provided with the distribution. |
| 45 | * 3. Neither the name of the University nor the names of its contributors |
| 46 | * may be used to endorse or promote products derived from this software |
| 47 | * without specific prior written permission. |
| 48 | * |
| 49 | * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND |
| 50 | * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE |
| 51 | * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE |
| 52 | * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE |
| 53 | * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL |
| 54 | * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS |
| 55 | * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) |
| 56 | * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT |
| 57 | * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY |
| 58 | * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF |
| 59 | * SUCH DAMAGE. |
| 60 | * |
| 61 | * @(#)in_pcb.h 8.1 (Berkeley) 6/10/93 |
| 62 | */ |
| 63 | |
| 64 | #ifndef _NETINET6_IN6_PCB_H_ |
| 65 | #define _NETINET6_IN6_PCB_H_ |
| 66 | |
| 67 | #include <sys/queue.h> |
| 68 | #include <netinet/in_pcb_hdr.h> |
| 69 | #include <netinet/ip6.h> |
| 70 | |
| 71 | /* |
| 72 | * Common structure pcb for internet protocol implementation. |
| 73 | * Here are stored pointers to local and foreign host table |
| 74 | * entries, local and foreign socket numbers, and pointers |
| 75 | * up (to a socket structure) and down (to a protocol-specific) |
| 76 | * control block. |
| 77 | */ |
| 78 | struct icmp6_filter; |
| 79 | |
| 80 | struct in6pcb { |
| 81 | struct inpcb_hdr in6p_head; |
| 82 | #define in6p_hash in6p_head.inph_hash |
| 83 | #define in6p_queue in6p_head.inph_queue |
| 84 | #define in6p_af in6p_head.inph_af |
| 85 | #define in6p_ppcb in6p_head.inph_ppcb |
| 86 | #define in6p_state in6p_head.inph_state |
| 87 | #define in6p_portalgo in6p_head.inph_portalgo |
| 88 | #define in6p_socket in6p_head.inph_socket |
| 89 | #define in6p_table in6p_head.inph_table |
| 90 | #define in6p_sp in6p_head.inph_sp |
| 91 | struct route in6p_route; /* placeholder for routing entry */ |
| 92 | u_int16_t in6p_fport; /* foreign port */ |
| 93 | u_int16_t in6p_lport; /* local port */ |
| 94 | u_int32_t in6p_flowinfo; /* priority and flowlabel */ |
| 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 | struct icmp6_filter *in6p_icmp6filt; |
| 102 | int in6p_cksum; /* IPV6_CHECKSUM setsockopt */ |
| 103 | bool in6p_bindportonsend; |
| 104 | struct ip_moptions *in6p_v4moptions;/* IP4 multicast options */ |
| 105 | }; |
| 106 | |
| 107 | #define in6p_faddr in6p_ip6.ip6_dst |
| 108 | #define in6p_laddr in6p_ip6.ip6_src |
| 109 | |
| 110 | /* states in inp_state: */ |
| 111 | #define IN6P_ATTACHED INP_ATTACHED |
| 112 | #define IN6P_BOUND INP_BOUND |
| 113 | #define IN6P_CONNECTED INP_CONNECTED |
| 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_IPV6_V6ONLY 0x008000 /* restrict AF_INET6 socket for v6 */ |
| 124 | #define IN6P_PKTINFO 0x010000 /* receive IP6 dst and I/F */ |
| 125 | #define IN6P_HOPLIMIT 0x020000 /* receive hoplimit */ |
| 126 | #define IN6P_HOPOPTS 0x040000 /* receive hop-by-hop options */ |
| 127 | #define IN6P_DSTOPTS 0x080000 /* receive dst options after rthdr */ |
| 128 | #define IN6P_RTHDR 0x100000 /* receive routing header */ |
| 129 | #define IN6P_RTHDRDSTOPTS 0x200000 /* receive dstoptions before rthdr */ |
| 130 | #define IN6P_TCLASS 0x400000 /* traffic class */ |
| 131 | |
| 132 | #define IN6P_HIGHPORT 0x1000000 /* user wants "high" port binding */ |
| 133 | #define IN6P_LOWPORT 0x2000000 /* user wants "low" port binding */ |
| 134 | #define IN6P_ANONPORT 0x4000000 /* port chosen for user */ |
| 135 | #define IN6P_FAITH 0x8000000 /* accept FAITH'ed connections */ |
| 136 | |
| 137 | #define IN6P_RFC2292 0x40000000 /* RFC2292 */ |
| 138 | #define IN6P_MTU 0x80000000 /* use minimum MTU */ |
| 139 | |
| 140 | #define IN6P_CONTROLOPTS (IN6P_PKTINFO|IN6P_HOPLIMIT|IN6P_HOPOPTS|\ |
| 141 | IN6P_DSTOPTS|IN6P_RTHDR|IN6P_RTHDRDSTOPTS|\ |
| 142 | IN6P_TCLASS|IN6P_RFC2292|\ |
| 143 | IN6P_MTU) |
| 144 | |
| 145 | #ifdef _KERNEL |
| 146 | /* compute hash value for foreign and local in6_addr and port */ |
| 147 | #define IN6_HASH(faddr, fport, laddr, lport) \ |
| 148 | (((faddr)->s6_addr32[0] ^ (faddr)->s6_addr32[1] ^ \ |
| 149 | (faddr)->s6_addr32[2] ^ (faddr)->s6_addr32[3] ^ \ |
| 150 | (laddr)->s6_addr32[0] ^ (laddr)->s6_addr32[1] ^ \ |
| 151 | (laddr)->s6_addr32[2] ^ (laddr)->s6_addr32[3]) \ |
| 152 | + (fport) + (lport)) |
| 153 | |
| 154 | #define sotoin6pcb(so) ((struct in6pcb *)(so)->so_pcb) |
| 155 | |
| 156 | void in6_losing(struct in6pcb *); |
| 157 | void in6_pcbinit(struct inpcbtable *, int, int); |
| 158 | int in6_pcballoc(struct socket *, void *); |
| 159 | int in6_pcbbind(void *, struct sockaddr_in6 *, struct lwp *); |
| 160 | int in6_pcbconnect(void *, struct sockaddr_in6 *, struct lwp *); |
| 161 | void in6_pcbdetach(struct in6pcb *); |
| 162 | void in6_pcbdisconnect(struct in6pcb *); |
| 163 | struct in6pcb *in6_pcblookup_port(struct inpcbtable *, struct in6_addr *, |
| 164 | u_int, int, struct vestigial_inpcb *); |
| 165 | int in6_pcbnotify(struct inpcbtable *, const struct sockaddr *, |
| 166 | u_int, const struct sockaddr *, u_int, int, void *, |
| 167 | void (*)(struct in6pcb *, int)); |
| 168 | void in6_pcbpurgeif0(struct inpcbtable *, struct ifnet *); |
| 169 | void in6_pcbpurgeif(struct inpcbtable *, struct ifnet *); |
| 170 | void in6_pcbstate(struct in6pcb *, int); |
| 171 | void in6_rtchange(struct in6pcb *, int); |
| 172 | void in6_setpeeraddr(struct in6pcb *, struct sockaddr_in6 *); |
| 173 | void in6_setsockaddr(struct in6pcb *, struct sockaddr_in6 *); |
| 174 | |
| 175 | /* in in6_src.c */ |
| 176 | int in6_selecthlim(struct in6pcb *, struct ifnet *); |
| 177 | int in6_selecthlim_rt(struct in6pcb *); |
| 178 | int in6_pcbsetport(struct sockaddr_in6 *, struct in6pcb *, struct lwp *); |
| 179 | |
| 180 | extern struct rtentry * |
| 181 | in6_pcbrtentry(struct in6pcb *); |
| 182 | extern struct in6pcb *in6_pcblookup_connect(struct inpcbtable *, |
| 183 | const struct in6_addr *, u_int, const struct in6_addr *, u_int, int, |
| 184 | struct vestigial_inpcb *); |
| 185 | extern struct in6pcb *in6_pcblookup_bind(struct inpcbtable *, |
| 186 | const struct in6_addr *, u_int, int); |
| 187 | #endif /* _KERNEL */ |
| 188 | |
| 189 | #endif /* !_NETINET6_IN6_PCB_H_ */ |
| 190 | |