1/*
  2 * ng_ksocket.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: Archie Cobbs <archie@freebsd.org>
 39 * $Whistle: ng_ksocket.h,v 1.1 1999/11/16 20:04:40 archie Exp $
 40 */
 41
 42#ifndef _NETGRAPH_NG_KSOCKET_H_
 43#define _NETGRAPH_NG_KSOCKET_H_
 44
 45#include <sys/socket.h>
 46
 47/* Node type name and magic cookie */
 48#define NG_KSOCKET_NODE_TYPE	"ksocket"
 49#define NGM_KSOCKET_COOKIE	942710669
 50
 51/* For NGM_KSOCKET_SETOPT and NGM_KSOCKET_GETOPT control messages */
 52struct ng_ksocket_sockopt {
 53	int32_t		level;		/* second arg of [gs]etsockopt() */
 54	int32_t		name;		/* third arg of [gs]etsockopt() */
 55	u_char		value[];	/* fourth arg of [gs]etsockopt() */
 56};
 57
 58/* Max length socket option we can return via NGM_KSOCKET_GETOPT
 59   XXX This should not be necessary, we should dynamically size
 60   XXX the response. Until then.. */
 61#define NG_KSOCKET_MAX_OPTLEN	1024
 62
 63/* Keep this in sync with the above structure definition */
 64#define NG_KSOCKET_SOCKOPT_INFO(svtype)	{			\
 65	  { "level",		&ng_parse_int32_type	},	\
 66	  { "name",		&ng_parse_int32_type	},	\
 67	  { "value",		(svtype)		},	\
 68	  { NULL }						\
 69}
 70
 71/* For NGM_KSOCKET_ACCEPT control message responses */
 72struct ng_ksocket_accept {
 73	u_int32_t	nodeid;		/* node ID of connected ksocket */
 74	struct sockaddr	addr;		/* peer's address (variable length) */
 75};
 76
 77/* Keep this in sync with the above structure definition */
 78#define	NGM_KSOCKET_ACCEPT_INFO {					\
 79	  { "nodeid",		&ng_parse_hint32_type		  },	\
 80	  { "addr",		&ng_ksocket_generic_sockaddr_type },	\
 81	  { NULL }							\
 82}
 83
 84/* Netgraph commands */
 85enum {
 86	NGM_KSOCKET_BIND = 1,
 87	NGM_KSOCKET_LISTEN,
 88	NGM_KSOCKET_ACCEPT,
 89	NGM_KSOCKET_CONNECT,
 90	NGM_KSOCKET_GETNAME,
 91	NGM_KSOCKET_GETPEERNAME,
 92	NGM_KSOCKET_SETOPT,
 93	NGM_KSOCKET_GETOPT,
 94};
 95
 96#ifdef _KERNEL
 97
 98/* Structure for sockaddr tag */
 99struct sa_tag {
100	struct m_tag	tag;
101	ng_ID_t		id;
102	struct sockaddr	sa;
103};
104
105/* Tag information ID's */
106#define NG_KSOCKET_TAG_SOCKADDR	1	/* data is struct sockaddr */
107
108#endif /* _KERNEL */
109#endif /* _NETGRAPH_NG_KSOCKET_H_ */