xref: /freebsd/sys/netgraph/ng_socket.h (revision af23369a6deaaeb612ab266eb88b8bb8d560c322)
1 /*
2  * ng_socket.h
3  */
4 
5 /*-
6  * Copyright (c) 1996-1999 Whistle Communications, Inc.
7  * All rights reserved.
8  *
9  * Subject to the following obligations and disclaimer of warranty, use and
10  * redistribution of this software, in source or object code forms, with or
11  * without modifications are expressly permitted by Whistle Communications;
12  * provided, however, that:
13  * 1. Any and all reproductions of the source or object code must include the
14  *    copyright notice above and the following disclaimer of warranties; and
15  * 2. No rights are granted, in any manner or form, to use Whistle
16  *    Communications, Inc. trademarks, including the mark "WHISTLE
17  *    COMMUNICATIONS" on advertising, endorsements, or otherwise except as
18  *    such appears in the above copyright notice or in the software.
19  *
20  * THIS SOFTWARE IS BEING PROVIDED BY WHISTLE COMMUNICATIONS "AS IS", AND
21  * TO THE MAXIMUM EXTENT PERMITTED BY LAW, WHISTLE COMMUNICATIONS MAKES NO
22  * REPRESENTATIONS OR WARRANTIES, EXPRESS OR IMPLIED, REGARDING THIS SOFTWARE,
23  * INCLUDING WITHOUT LIMITATION, ANY AND ALL IMPLIED WARRANTIES OF
24  * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE, OR NON-INFRINGEMENT.
25  * WHISTLE COMMUNICATIONS DOES NOT WARRANT, GUARANTEE, OR MAKE ANY
26  * REPRESENTATIONS REGARDING THE USE OF, OR THE RESULTS OF THE USE OF THIS
27  * SOFTWARE IN TERMS OF ITS CORRECTNESS, ACCURACY, RELIABILITY OR OTHERWISE.
28  * IN NO EVENT SHALL WHISTLE COMMUNICATIONS BE LIABLE FOR ANY DAMAGES
29  * RESULTING FROM OR ARISING OUT OF ANY USE OF THIS SOFTWARE, INCLUDING
30  * WITHOUT LIMITATION, ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY,
31  * PUNITIVE, OR CONSEQUENTIAL DAMAGES, PROCUREMENT OF SUBSTITUTE GOODS OR
32  * SERVICES, LOSS OF USE, DATA OR PROFITS, HOWEVER CAUSED AND UNDER ANY
33  * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
34  * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
35  * THIS SOFTWARE, EVEN IF WHISTLE COMMUNICATIONS IS ADVISED OF THE POSSIBILITY
36  * OF SUCH DAMAGE.
37  *
38  * Author: Julian Elischer <julian@freebsd.org>
39  *
40  * $FreeBSD$
41  * $Whistle: ng_socket.h,v 1.5 1999/01/20 00:22:14 archie Exp $
42  */
43 
44 #ifndef _NETGRAPH_NG_SOCKET_H_
45 #define _NETGRAPH_NG_SOCKET_H_
46 
47 /* Netgraph node type name and cookie */
48 #define	NG_SOCKET_NODE_TYPE	"socket"
49 #define	NGM_SOCKET_COOKIE	851601233
50 
51 /* Netgraph socket(2) constants */
52 #define	NG_DATA			1
53 #define	NG_CONTROL		2
54 
55 /* Commands */
56 enum {
57 	NGM_SOCK_CMD_NOLINGER = 1,	/* close the socket with last hook */
58 	NGM_SOCK_CMD_LINGER		/* Keep socket even if 0 hooks */
59 };
60 
61 /* Netgraph version of struct sockaddr */
62 struct sockaddr_ng {
63 	unsigned char	sg_len;		/* total length */
64 	sa_family_t	sg_family;	/* address family */
65 	char		sg_data[14];	/* actually longer; address value */
66 };
67 
68 #endif /* _NETGRAPH_NG_SOCKET_H_ */
69