xref: /dragonfly/sys/netgraph/ksocket/ng_ksocket.h (revision 335b9e93)
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: src/sys/netgraph/ng_ksocket.h,v 1.2.2.5 2002/07/02 23:44:02 archie Exp $
40  * $DragonFly: src/sys/netgraph/ksocket/ng_ksocket.h,v 1.2 2003/06/17 04:28:50 dillon Exp $
41  * $Whistle: ng_ksocket.h,v 1.1 1999/11/16 20:04:40 archie Exp $
42  */
43 
44 #ifndef _NETGRAPH_KSOCKET_H_
45 #define _NETGRAPH_KSOCKET_H_
46 
47 #include <sys/socket.h>
48 
49 /* Node type name and magic cookie */
50 #define NG_KSOCKET_NODE_TYPE	"ksocket"
51 #define NGM_KSOCKET_COOKIE	942710669
52 
53 /* For NGM_KSOCKET_SETOPT and NGM_KSOCKET_GETOPT control messages */
54 struct ng_ksocket_sockopt {
55 	int32_t		level;		/* second arg of [gs]etsockopt() */
56 	int32_t		name;		/* third arg of [gs]etsockopt() */
57 	u_char		value[0];	/* fourth arg of [gs]etsockopt() */
58 };
59 
60 /* Max length socket option we can return via NGM_KSOCKET_GETOPT
61    XXX This should not be necessary, we should dynamically size
62    XXX the response. Until then.. */
63 #define NG_KSOCKET_MAX_OPTLEN	1024
64 
65 /* Keep this in sync with the above structure definition */
66 #define NG_KSOCKET_SOCKOPT_INFO(svtype)	{			\
67 	  { "level",		&ng_parse_int32_type	},	\
68 	  { "name",		&ng_parse_int32_type	},	\
69 	  { "value",		(svtype)		},	\
70 	  { NULL }						\
71 }
72 
73 /* For NGM_KSOCKET_ACCEPT control message responses */
74 struct ng_ksocket_accept {
75 	u_int32_t	nodeid;		/* node ID of connected ksocket */
76 	struct sockaddr	addr;		/* peer's address (variable length) */
77 };
78 
79 /* Keep this in sync with the above structure definition */
80 #define	NGM_KSOCKET_ACCEPT_INFO {					\
81 	  { "nodeid",		&ng_parse_hint32_type		  },	\
82 	  { "addr",		&ng_ksocket_generic_sockaddr_type },	\
83 	  { NULL }							\
84 }
85 
86 /* Netgraph commands */
87 enum {
88 	NGM_KSOCKET_BIND = 1,
89 	NGM_KSOCKET_LISTEN,
90 	NGM_KSOCKET_ACCEPT,
91 	NGM_KSOCKET_CONNECT,
92 	NGM_KSOCKET_GETNAME,
93 	NGM_KSOCKET_GETPEERNAME,
94 	NGM_KSOCKET_SETOPT,
95 	NGM_KSOCKET_GETOPT,
96 };
97 
98 /* Meta information ID's */
99 #define NG_KSOCKET_META_SOCKADDR	1	/* data is struct sockaddr */
100 
101 #endif /* _NETGRAPH_KSOCKET_H_ */
102