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FreeBSD/Linux Kernel Cross Reference
sys/netgraph/ng_socketvar.h

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    1 
    2 /*
    3  * netgraph.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: Julian Elischer <julian@freebsd.org>
   38  *
   39  * $FreeBSD: src/sys/netgraph/ng_socketvar.h,v 1.4.2.2 2000/10/24 22:45:12 julian Exp $
   40  * $Whistle: ng_socketvar.h,v 1.1 1999/01/20 21:35:39 archie Exp $
   41  */
   42 
   43 #ifndef _NETGRAPH_NG_SOCKETVAR_H_
   44 #define _NETGRAPH_NG_SOCKETVAR_H_ 1
   45 
   46 /* Netgraph protocol control block for each socket */
   47 struct ngpcb {
   48         struct socket    *ng_socket;    /* the socket */
   49         struct ngsock    *sockdata;     /* netgraph info */
   50         LIST_ENTRY(ngpcb) socks;        /* linked list of sockets */
   51         int               type;         /* NG_CONTROL or NG_DATA */
   52 };
   53 
   54 /* Per-node private data */
   55 struct ngsock {
   56         struct ng_node  *node;          /* the associated netgraph node */
   57         struct ngpcb    *datasock;      /* optional data socket */
   58         struct ngpcb    *ctlsock;       /* optional control socket */
   59         int    flags;
   60         int    refs;
   61 };
   62 #define NGS_FLAG_NOLINGER       1       /* close with last hook */
   63 
   64 #endif /* _NETGRAPH_NG_SOCKETVAR_H_ */
   65 

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