FreeBSD/Linux Kernel Cross Reference
sys/netns/ns_pcb.h
1 /*
2 * Copyright (c) 1984, 1985, 1986, 1987, 1993
3 * The Regents of the University of California. 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. All advertising materials mentioning features or use of this software
14 * must display the following acknowledgement:
15 * This product includes software developed by the University of
16 * California, Berkeley and its contributors.
17 * 4. Neither the name of the University nor the names of its contributors
18 * may be used to endorse or promote products derived from this software
19 * without specific prior written permission.
20 *
21 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
22 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
23 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
24 * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
25 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
26 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
27 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
28 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
29 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
30 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
31 * SUCH DAMAGE.
32 *
33 * @(#)ns_pcb.h 8.1 (Berkeley) 6/10/93
34 * $FreeBSD$
35 */
36
37 #ifndef _NETNS_NS_PCB_H_
38 #define _NETNS_NS_PCB_H_
39
40 /*
41 * Ns protocol interface control block.
42 */
43 struct nspcb {
44 struct nspcb *nsp_next; /* doubly linked list */
45 struct nspcb *nsp_prev;
46 struct socket *nsp_socket; /* back pointer to socket */
47 struct ns_addr nsp_faddr; /* destination address */
48 struct ns_addr nsp_laddr; /* socket's address */
49 caddr_t nsp_pcb; /* protocol specific stuff */
50 struct route nsp_route; /* routing information */
51 struct ns_addr nsp_lastdst; /* validate cached route for dg socks*/
52 long nsp_notify_param; /* extra info passed via ns_pcbnotify*/
53 short nsp_flags;
54 u_char nsp_dpt; /* default packet type for idp_output*/
55 u_char nsp_rpt; /* last received packet type by
56 idp_input() */
57 };
58
59 /* possible flags */
60
61 #define NSP_IN_ABORT 0x1 /* calling abort through socket */
62 #define NSP_RAWIN 0x2 /* show headers on input */
63 #define NSP_RAWOUT 0x4 /* show header on output */
64 #define NSP_ALL_PACKETS 0x8 /* Turn off higher proto processing */
65
66 #define NS_WILDCARD 1
67
68 #define nsp_lport nsp_laddr.x_port
69 #define nsp_fport nsp_faddr.x_port
70
71 #define sotonspcb(so) ((struct nspcb *)((so)->so_pcb))
72
73 /*
74 * Nominal space allocated to a ns socket.
75 */
76 #define NSSNDQ 2048
77 #define NSRCVQ 2048
78
79
80 #ifdef _KERNEL
81 struct nspcb nspcb; /* head of list */
82 struct nspcb *ns_pcblookup();
83 #endif
84
85 #endif
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