sys/netgraph7/ng_socket.h

   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  *
  40  * $FreeBSD: src/sys/netgraph/ng_socket.h,v 1.7 2006/10/17 11:03:55 glebius Exp $
  41  * $DragonFly: src/sys/netgraph7/ng_socket.h,v 1.2 2008/06/26 23:05:35 dillon Exp $
  42  * $Whistle: ng_socket.h,v 1.5 1999/01/20 00:22:14 archie Exp $
  43  */
  44
  45 #ifndef _NETGRAPH_NG_SOCKET_H_
  46 #define _NETGRAPH_NG_SOCKET_H_
  47
  48 /* Netgraph node type name and cookie */
  49 #define NG_SOCKET_NODE_TYPE     "socket"
  50 #define NGM_SOCKET_COOKIE       851601233
  51
  52 /* Netgraph socket(2) constants */
  53 #define NG_DATA                 1
  54 #define NG_CONTROL              2
  55
  56 /* Commands */
  57 enum {
  58         NGM_SOCK_CMD_NOLINGER = 1,      /* close the socket with last hook */
  59         NGM_SOCK_CMD_LINGER             /* Keep socket even if 0 hooks */
  60 };
  61
  62 /* Netgraph version of struct sockaddr */
  63 struct sockaddr_ng {
  64         unsigned char   sg_len;         /* total length */
  65         sa_family_t     sg_family;      /* address family */
  66         char            sg_data[14];    /* actually longer; address value */
  67 };
  68
  69 #endif /* _NETGRAPH_NG_SOCKET_H_ */
  70