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 | |