xref: /freebsd/sys/netgraph/ng_ksocket.h (revision 6990ffd8a95caaba6858ad44ff1b3157d1efba8f)
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  * $FreeBSD$
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 	{							\
67 	  { "level",		&ng_parse_int32_type	},	\
68 	  { "name",		&ng_parse_int32_type	},	\
69 	  { "value",		(svtype)		},	\
70 	  { NULL },						\
71 	}							\
72 }
73 
74 /* For NGM_KSOCKET_ACCEPT control message responses */
75 struct ng_ksocket_accept {
76 	u_int32_t	nodeid;		/* node ID of connected ksocket */
77 	struct sockaddr	addr;		/* peer's address (variable length) */
78 };
79 
80 /* Keep this in sync with the above structure definition */
81 #define	NGM_KSOCKET_ACCEPT_INFO {					\
82 	{								\
83 	  { "nodeid",		&ng_parse_hint32_type		  },	\
84 	  { "addr",		&ng_ksocket_generic_sockaddr_type },	\
85 	  { NULL }							\
86 	}								\
87 }
88 
89 /* Netgraph commands */
90 enum {
91 	NGM_KSOCKET_BIND = 1,
92 	NGM_KSOCKET_LISTEN,
93 	NGM_KSOCKET_ACCEPT,
94 	NGM_KSOCKET_CONNECT,
95 	NGM_KSOCKET_GETNAME,
96 	NGM_KSOCKET_GETPEERNAME,
97 	NGM_KSOCKET_SETOPT,
98 	NGM_KSOCKET_GETOPT,
99 };
100 
101 #endif /* _NETGRAPH_KSOCKET_H_ */
102