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: src/sys/netgraph/ng_socketvar.h,v 1.10 2005/07/05 17:35:20 glebius Exp $ 41 * $DragonFly: src/sys/netgraph7/ng_socketvar.h,v 1.2 2008/06/26 23:05:35 dillon Exp $ 42 * $Whistle: ng_socketvar.h,v 1.1 1999/01/20 21:35:39 archie Exp $ 43 */ 44 45 #ifndef _NETGRAPH_NG_SOCKETVAR_H_ 46 #define _NETGRAPH_NG_SOCKETVAR_H_ 47 48 /* Netgraph protocol control block for each socket */ 49 struct ngpcb { 50 struct socket *ng_socket; /* the socket */ 51 struct ngsock *sockdata; /* netgraph info */ 52 LIST_ENTRY(ngpcb) socks; /* linked list of sockets */ 53 int type; /* NG_CONTROL or NG_DATA */ 54 }; 55 56 /* Per-node private data */ 57 struct ngsock { 58 struct ng_node *node; /* the associated netgraph node */ 59 struct ngpcb *datasock; /* optional data socket */ 60 struct ngpcb *ctlsock; /* optional control socket */ 61 int flags; 62 int refs; 63 struct mtx mtx; /* mtx to wait on */ 64 int error; /* place to store error */ 65 }; 66 #define NGS_FLAG_NOLINGER 1 /* close with last hook */ 67 68 #endif /* _NETGRAPH_NG_SOCKETVAR_H_ */ 69 70