1
2 /*
3 * ng_ksocket.h
4 *
5 * Copyright (c) 1996-1999 Whistle Communications, Inc.
6 * All rights reserved.
7 *
8 * Subject to the following obligations and disclaimer of warranty, use and
9 * redistribution of this software, in source or object code forms, with or
10 * without modifications are expressly permitted by Whistle Communications;
11 * provided, however, that:
12 * 1. Any and all reproductions of the source or object code must include the
13 * copyright notice above and the following disclaimer of warranties; and
14 * 2. No rights are granted, in any manner or form, to use Whistle
15 * Communications, Inc. trademarks, including the mark "WHISTLE
16 * COMMUNICATIONS" on advertising, endorsements, or otherwise except as
17 * such appears in the above copyright notice or in the software.
18 *
19 * THIS SOFTWARE IS BEING PROVIDED BY WHISTLE COMMUNICATIONS "AS IS", AND
20 * TO THE MAXIMUM EXTENT PERMITTED BY LAW, WHISTLE COMMUNICATIONS MAKES NO
21 * REPRESENTATIONS OR WARRANTIES, EXPRESS OR IMPLIED, REGARDING THIS SOFTWARE,
22 * INCLUDING WITHOUT LIMITATION, ANY AND ALL IMPLIED WARRANTIES OF
23 * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE, OR NON-INFRINGEMENT.
24 * WHISTLE COMMUNICATIONS DOES NOT WARRANT, GUARANTEE, OR MAKE ANY
25 * REPRESENTATIONS REGARDING THE USE OF, OR THE RESULTS OF THE USE OF THIS
26 * SOFTWARE IN TERMS OF ITS CORRECTNESS, ACCURACY, RELIABILITY OR OTHERWISE.
27 * IN NO EVENT SHALL WHISTLE COMMUNICATIONS BE LIABLE FOR ANY DAMAGES
28 * RESULTING FROM OR ARISING OUT OF ANY USE OF THIS SOFTWARE, INCLUDING
29 * WITHOUT LIMITATION, ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY,
30 * PUNITIVE, OR CONSEQUENTIAL DAMAGES, PROCUREMENT OF SUBSTITUTE GOODS OR
31 * SERVICES, LOSS OF USE, DATA OR PROFITS, HOWEVER CAUSED AND UNDER ANY
32 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
33 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
34 * THIS SOFTWARE, EVEN IF WHISTLE COMMUNICATIONS IS ADVISED OF THE POSSIBILITY
35 * OF SUCH DAMAGE.
36 *
37 * Author: Archie Cobbs <archie@freebsd.org>
38 *
39 * $FreeBSD: releng/5.1/sys/netgraph/ng_ksocket.h 97685 2002-05-31 23:48:03Z archie $
40 * $Whistle: ng_ksocket.h,v 1.1 1999/11/16 20:04:40 archie Exp $
41 */
42
43 #ifndef _NETGRAPH_KSOCKET_H_
44 #define _NETGRAPH_KSOCKET_H_
45
46 #include <sys/socket.h>
47
48 /* Node type name and magic cookie */
49 #define NG_KSOCKET_NODE_TYPE "ksocket"
50 #define NGM_KSOCKET_COOKIE 942710669
51
52 /* For NGM_KSOCKET_SETOPT and NGM_KSOCKET_GETOPT control messages */
53 struct ng_ksocket_sockopt {
54 int32_t level; /* second arg of [gs]etsockopt() */
55 int32_t name; /* third arg of [gs]etsockopt() */
56 u_char value[0]; /* fourth arg of [gs]etsockopt() */
57 };
58
59 /* Max length socket option we can return via NGM_KSOCKET_GETOPT
60 XXX This should not be necessary, we should dynamically size
61 XXX the response. Until then.. */
62 #define NG_KSOCKET_MAX_OPTLEN 1024
63
64 /* Keep this in sync with the above structure definition */
65 #define NG_KSOCKET_SOCKOPT_INFO(svtype) { \
66 { "level", &ng_parse_int32_type }, \
67 { "name", &ng_parse_int32_type }, \
68 { "value", (svtype) }, \
69 { NULL } \
70 }
71
72 /* For NGM_KSOCKET_ACCEPT control message responses */
73 struct ng_ksocket_accept {
74 u_int32_t nodeid; /* node ID of connected ksocket */
75 struct sockaddr addr; /* peer's address (variable length) */
76 };
77
78 /* Keep this in sync with the above structure definition */
79 #define NGM_KSOCKET_ACCEPT_INFO { \
80 { "nodeid", &ng_parse_hint32_type }, \
81 { "addr", &ng_ksocket_generic_sockaddr_type }, \
82 { NULL } \
83 }
84
85 /* Netgraph commands */
86 enum {
87 NGM_KSOCKET_BIND = 1,
88 NGM_KSOCKET_LISTEN,
89 NGM_KSOCKET_ACCEPT,
90 NGM_KSOCKET_CONNECT,
91 NGM_KSOCKET_GETNAME,
92 NGM_KSOCKET_GETPEERNAME,
93 NGM_KSOCKET_SETOPT,
94 NGM_KSOCKET_GETOPT,
95 };
96
97 /* Meta information ID's */
98 #define NG_KSOCKET_META_SOCKADDR 1 /* data is struct sockaddr */
99
100 #endif /* _NETGRAPH_KSOCKET_H_ */
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