1 | /* $NetBSD: in_pcb_hdr.h,v 1.11 2014/05/30 01:39:03 christos Exp $ */ |
2 | |
3 | /* |
4 | * Copyright (C) 2003 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. Neither the name of the University nor the names of its contributors |
45 | * may be used to endorse or promote products derived from this software |
46 | * without specific prior written permission. |
47 | * |
48 | * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND |
49 | * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE |
50 | * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE |
51 | * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE |
52 | * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL |
53 | * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS |
54 | * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) |
55 | * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT |
56 | * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY |
57 | * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF |
58 | * SUCH DAMAGE. |
59 | * |
60 | * @(#)in_pcb.h 8.1 (Berkeley) 6/10/93 |
61 | */ |
62 | |
63 | #ifndef _NETINET_IN_PCB_HDR_H_ |
64 | #define _NETINET_IN_PCB_HDR_H_ |
65 | |
66 | #include <sys/queue.h> |
67 | |
68 | struct inpcbpolicy; |
69 | |
70 | /* |
71 | * align it with inpcb and in6pcb! |
72 | */ |
73 | struct inpcb_hdr { |
74 | LIST_ENTRY(inpcb_hdr) inph_hash; |
75 | LIST_ENTRY(inpcb_hdr) inph_lhash; |
76 | TAILQ_ENTRY(inpcb_hdr) inph_queue; |
77 | int inph_af; /* address family - AF_INET */ |
78 | void * inph_ppcb; /* pointer to per-protocol pcb */ |
79 | int inph_state; /* bind/connect state */ |
80 | int inph_portalgo; |
81 | struct socket *inph_socket; /* back pointer to socket */ |
82 | struct inpcbtable *inph_table; |
83 | struct inpcbpolicy *inph_sp; /* security policy */ |
84 | }; |
85 | |
86 | #define sotoinpcb_hdr(so) ((struct inpcb_hdr *)(so)->so_pcb) |
87 | |
88 | LIST_HEAD(inpcbhead, inpcb_hdr); |
89 | |
90 | struct vestigial_inpcb; |
91 | |
92 | /* Hooks for vestigial pcb entries. |
93 | * If vestigial entries exist for a table (TCP only) |
94 | * the vestigial pointer is set. |
95 | */ |
96 | typedef struct vestigial_hooks { |
97 | /* IPv4 hooks */ |
98 | void *(*init_ports4)(struct in_addr, u_int, int); |
99 | int (*next_port4)(void *, struct vestigial_inpcb *); |
100 | int (*lookup4)(struct in_addr, uint16_t, |
101 | struct in_addr, uint16_t, |
102 | struct vestigial_inpcb *); |
103 | /* IPv6 hooks */ |
104 | void *(*init_ports6)(const struct in6_addr*, u_int, int); |
105 | int (*next_port6)(void *, struct vestigial_inpcb *); |
106 | int (*lookup6)(const struct in6_addr *, uint16_t, |
107 | const struct in6_addr *, uint16_t, |
108 | struct vestigial_inpcb *); |
109 | } vestigial_hooks_t; |
110 | |
111 | TAILQ_HEAD(inpcbqueue, inpcb_hdr); |
112 | |
113 | struct inpcbtable { |
114 | struct inpcbqueue inpt_queue; |
115 | struct inpcbhead *inpt_porthashtbl; |
116 | struct inpcbhead *inpt_bindhashtbl; |
117 | struct inpcbhead *inpt_connecthashtbl; |
118 | u_long inpt_porthash; |
119 | u_long inpt_bindhash; |
120 | u_long inpt_connecthash; |
121 | u_int16_t inpt_lastport; |
122 | u_int16_t inpt_lastlow; |
123 | |
124 | vestigial_hooks_t *vestige; |
125 | }; |
126 | #define inpt_lasthi inpt_lastport |
127 | |
128 | /* states in inp_state: */ |
129 | #define INP_ATTACHED 0 |
130 | #define INP_BOUND 1 |
131 | #define INP_CONNECTED 2 |
132 | |
133 | #endif /* !_NETINET_IN_PCB_HDR_H_ */ |
134 | |