1 /*
2 * netgraph.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: releng/6.3/sys/netgraph/ng_socketvar.h 147774 2005-07-05 17:35:20Z glebius $
41 * $Whistle: ng_socketvar.h,v 1.1 1999/01/20 21:35:39 archie Exp $
42 */
43
44 #ifndef _NETGRAPH_NG_SOCKETVAR_H_
45 #define _NETGRAPH_NG_SOCKETVAR_H_
46
47 /* Netgraph protocol control block for each socket */
48 struct ngpcb {
49 struct socket *ng_socket; /* the socket */
50 struct ngsock *sockdata; /* netgraph info */
51 LIST_ENTRY(ngpcb) socks; /* linked list of sockets */
52 int type; /* NG_CONTROL or NG_DATA */
53 };
54
55 /* Per-node private data */
56 struct ngsock {
57 struct ng_node *node; /* the associated netgraph node */
58 struct ngpcb *datasock; /* optional data socket */
59 struct ngpcb *ctlsock; /* optional control socket */
60 int flags;
61 int refs;
62 struct mtx mtx; /* mtx to wait on */
63 int error; /* place to store error */
64 };
65 #define NGS_FLAG_NOLINGER 1 /* close with last hook */
66
67 #endif /* _NETGRAPH_NG_SOCKETVAR_H_ */
68
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