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1.1 root 1: /*
2: * Copyright (c) 1999 Apple Computer, Inc. All rights reserved.
3: *
4: * @APPLE_LICENSE_HEADER_START@
5: *
6: * Portions Copyright (c) 1999 Apple Computer, Inc. All Rights
7: * Reserved. This file contains Original Code and/or Modifications of
8: * Original Code as defined in and that are subject to the Apple Public
9: * Source License Version 1.1 (the "License"). You may not use this file
10: * except in compliance with the License. Please obtain a copy of the
11: * License at http://www.apple.com/publicsource and read it before using
12: * this file.
13: *
14: * The Original Code and all software distributed under the License are
15: * distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY KIND, EITHER
16: * EXPRESS OR IMPLIED, AND APPLE HEREBY DISCLAIMS ALL SUCH WARRANTIES,
17: * INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF MERCHANTABILITY,
18: * FITNESS FOR A PARTICULAR PURPOSE OR NON-INFRINGEMENT. Please see the
19: * License for the specific language governing rights and limitations
20: * under the License.
21: *
22: * @APPLE_LICENSE_HEADER_END@
23: */
24:
25: /* Copyright (c) 1995 NeXT Computer, Inc. All Rights Reserved */
26: /*
27: * Copyright (c) 1982, 1986, 1990, 1993
28: * The Regents of the University of California. All rights reserved.
29: *
30: * Redistribution and use in source and binary forms, with or without
31: * modification, are permitted provided that the following conditions
32: * are met:
33: * 1. Redistributions of source code must retain the above copyright
34: * notice, this list of conditions and the following disclaimer.
35: * 2. Redistributions in binary form must reproduce the above copyright
36: * notice, this list of conditions and the following disclaimer in the
37: * documentation and/or other materials provided with the distribution.
38: * 3. All advertising materials mentioning features or use of this software
39: * must display the following acknowledgement:
40: * This product includes software developed by the University of
41: * California, Berkeley and its contributors.
42: * 4. Neither the name of the University nor the names of its contributors
43: * may be used to endorse or promote products derived from this software
44: * without specific prior written permission.
45: *
46: * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
47: * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
48: * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
49: * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
50: * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
51: * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
52: * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
53: * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
54: * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
55: * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
56: * SUCH DAMAGE.
57: *
58: * @(#)in_pcb.h 8.1 (Berkeley) 6/10/93
59: */
60:
61:
62: struct inpcb_hash_str {
63: struct inpcb *(*hash_array)[];
64: u_long hash_mask;
65: u_long n_elements;
66: };
67:
68:
69: /*
70: * Common structure pcb for internet protocol implementation.
71: * Here are stored pointers to local and foreign host table
72: * entries, local and foreign socket numbers, and pointers
73: * up (to a socket structure) and down (to a protocol-specific)
74: * control block.
75: */
76: struct inpcb {
77: struct inpcb *inp_next,*inp_prev;
78: /* pointers to other pcb's */
79: struct inpcb *inp_head; /* pointer back to chain of inpcb's
80: for this protocol */
81: struct in_addr inp_faddr; /* foreign host table entry */
82: u_short inp_fport; /* foreign port */
83: struct in_addr inp_laddr; /* local host table entry */
84: u_short inp_lport; /* local port */
85: struct socket *inp_socket; /* back pointer to socket */
86: caddr_t inp_ppcb; /* pointer to per-protocol pcb */
87: caddr_t inp_saved_ppcb; /* place to save pointer while cached */
88: struct route inp_route; /* placeholder for routing entry */
89: int inp_flags; /* generic IP/datagram flags */
90: struct ip inp_ip; /* header prototype; should have more */
91: struct mbuf *inp_options; /* IP options */
92: struct ip_moptions *inp_moptions; /* IP multicast options */
93: struct inpcb_hash_str *hash_str;
94: struct inpcb_hash_str *lport_hash_str;
95: struct inpcb *hash_next;
96: struct inpcb *hash_prev;
97: u_long hash_element;
98: struct inpcb *lport_hash_next;
99: struct inpcb *lport_hash_prev;
100: u_long lport_hash_element;
101: };
102:
103: /* flags in inp_flags: */
104: #define INP_RECVOPTS 0x01 /* receive incoming IP options */
105: #define INP_RECVRETOPTS 0x02 /* receive IP options for reply */
106: #define INP_RECVDSTADDR 0x04 /* receive IP dst address */
107: #define INP_CONTROLOPTS (INP_RECVOPTS|INP_RECVRETOPTS|INP_RECVDSTADDR)
108: #define INP_HDRINCL 0x08 /* user supplies entire IP header */
109: #define INP_NOLOOKUP 0x10 /* don't need to re-issue lookup in 'in_pcbconnect' */
110: /* we've already failed to find this address in tcp_input */
111:
112: #define INPLOOKUP_WILDCARD 1
113: #define INPLOOKUP_SETLOCAL 2
114:
115: #define sotoinpcb(so) ((struct inpcb *)(so)->so_pcb)
116:
117: #ifdef _KERNEL
118: int in_losing __P((struct inpcb *));
119: int in_pcballoc __P((struct socket *, struct inpcb *,
120: struct inpcb_hash_str *, struct inpcb_hash_str *));
121: int in_pcbbind __P((struct inpcb *, struct mbuf *));
122: int in_pcbconnect __P((struct inpcb *, struct mbuf *));
123: int in_pcbdetach __P((struct inpcb *));
124: int in_pcbdisconnect __P((struct inpcb *));
125: struct inpcb *
126: in_pcblookup __P((struct inpcb *,
127: struct in_addr, u_int, struct in_addr, u_int, int));
128: int in_pcbnotify __P((struct inpcb *, struct sockaddr *,
129: u_int, struct in_addr, u_int, int, void (*)(struct inpcb *, int)));
130: void in_rtchange __P((struct inpcb *, int));
131: int in_setpeeraddr __P((struct inpcb *, struct mbuf *));
132: int in_setsockaddr __P((struct inpcb *, struct mbuf *));
133: void lport_hash_remove __P((struct inpcb *));
134: void lport_hash_insert __P((struct inpcb *));
135: void hash_remove __P((struct inpcb *));
136: void hash_insert __P((struct inpcb *));
137:
138:
139: struct inpcb *inet_hash1 __P((struct inpcb_hash_str *, u_long, u_short, u_long, u_short));
140: struct inpcb *inet_lport_hash1 __P((struct inpcb_hash_str *, u_short));
141:
142: struct inpcb *
143: hash_in_pcbwild __P((struct inpcb *, struct in_addr, u_int, struct in_addr, u_int, int));
144:
145: struct inpcb *
146: lport_hash_in_pcbwild __P((struct inpcb *, struct in_addr, u_int, struct in_addr, u_int, int));
147:
148: struct inpcb *
149: hash_in_pcblookup __P((struct inpcb *,
150: struct in_addr, u_int, struct in_addr, u_int));
151:
152: #endif
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