sys/netgraph/socket/ng_socket.h

   1
   2 /*
   3  * ng_socket.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_socket.h,v 1.3.2.1 2000/10/24 18:36:46 julian Exp $
  40  * $DragonFly: src/sys/netgraph/socket/ng_socket.h,v 1.3 2006/10/23 21:50:33 dillon Exp $
  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
  62
  63 /* Netgraph version of struct sockaddr */
  64 struct sockaddr_ng {
  65         u_char  sg_len;         /* total length */
  66         u_char  sg_family;      /* address family */
  67         char    sg_data[14];    /* actually longer; address value */
  68 };
  69
  70 #endif /* _NETGRAPH_NG_SOCKET_H_ */
  71