xref: /freebsd/sys/netgraph/ng_socket.h (revision 4064a1108b51b24903c8d67db21e8dbaf89b475f)
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   * $Whistle: ng_socket.h,v 1.5 1999/01/20 00:22:14 archie Exp $
40   */
41  
42  #ifndef _NETGRAPH_NG_SOCKET_H_
43  #define _NETGRAPH_NG_SOCKET_H_
44  
45  /* Netgraph node type name and cookie */
46  #define	NG_SOCKET_NODE_TYPE	"socket"
47  #define	NGM_SOCKET_COOKIE	851601233
48  
49  /* Netgraph socket(2) constants */
50  #define	NG_DATA			1
51  #define	NG_CONTROL		2
52  
53  /* Commands */
54  enum {
55  	NGM_SOCK_CMD_NOLINGER = 1,	/* close the socket with last hook */
56  	NGM_SOCK_CMD_LINGER		/* Keep socket even if 0 hooks */
57  };
58  
59  /* Netgraph version of struct sockaddr */
60  struct sockaddr_ng {
61  	unsigned char	sg_len;		/* total length */
62  	sa_family_t	sg_family;	/* address family */
63  	char		sg_data[32];	/* see NG_NODESIZ in ng_message.h */
64  };
65  
66  #endif /* _NETGRAPH_NG_SOCKET_H_ */
67