[apple/xnu.git] / bsd / net / if_slvar.h

/*
 * Copyright (c) 2000 Apple Computer, Inc. All rights reserved.
 *
 * @APPLE_LICENSE_HEADER_START@
 * 
 * Copyright (c) 1999-2003 Apple Computer, Inc.  All Rights Reserved.
 * 
 * This file contains Original Code and/or Modifications of Original Code
 * as defined in and that are subject to the Apple Public Source License
 * Version 2.0 (the 'License'). You may not use this file except in
 * compliance with the License. Please obtain a copy of the License at
 * http://www.opensource.apple.com/apsl/ and read it before using this
 * file.
 * 
 * The Original Code and all software distributed under the License are
 * distributed on an 'AS IS' basis, WITHOUT WARRANTY OF ANY KIND, EITHER
 * EXPRESS OR IMPLIED, AND APPLE HEREBY DISCLAIMS ALL SUCH WARRANTIES,
 * INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF MERCHANTABILITY,
 * FITNESS FOR A PARTICULAR PURPOSE, QUIET ENJOYMENT OR NON-INFRINGEMENT.
 * Please see the License for the specific language governing rights and
 * limitations under the License.
 * 
 * @APPLE_LICENSE_HEADER_END@
 */
/*-
 * Copyright (c) 1991, 1993
 *	The Regents of the University of California.  All rights reserved.
 *
 * Redistribution and use in source and binary forms, with or without
 * modification, are permitted provided that the following conditions
 * are met:
 * 1. Redistributions of source code must retain the above copyright
 *    notice, this list of conditions and the following disclaimer.
 * 2. Redistributions in binary form must reproduce the above copyright
 *    notice, this list of conditions and the following disclaimer in the
 *    documentation and/or other materials provided with the distribution.
 * 3. All advertising materials mentioning features or use of this software
 *    must display the following acknowledgement:
 *	This product includes software developed by the University of
 *	California, Berkeley and its contributors.
 * 4. Neither the name of the University nor the names of its contributors
 *    may be used to endorse or promote products derived from this software
 *    without specific prior written permission.
 *
 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
 * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
 * SUCH DAMAGE.
 *
 *	@(#)if_slvar.h	8.3 (Berkeley) 2/1/94
 *
 */

#ifndef _NET_IF_SLVAR_H_
#define _NET_IF_SLVAR_H_
#include <sys/appleapiopts.h>

#ifndef DONT_WARN_OBSOLETE
#warning if_slvar.h is not used by the darwin kernel
#endif

#include <sys/callout.h>
#include <sys/mbuf.h>
#include <net/slcompress.h>

#ifdef __APPLE_API_PRIVATE

/*
 * Definitions for SLIP interface data structures
 *
 * (This exists so programs like slstats can get at the definition
 *  of sl_softc.)
 */
struct sl_softc {
	struct	ifnet sc_if;		/* network-visible interface */
	struct	ifqueue sc_fastq;	/* interactive output queue */
	struct	tty *sc_ttyp;		/* pointer to tty structure */
	u_char	*sc_mp;			/* pointer to next available buf char */
	u_char	*sc_ep;			/* pointer to last available buf char */
	u_char	*sc_buf;		/* input buffer */
	u_int	sc_flags;		/* see below */
	u_int	sc_escape;	/* =1 if last char input was FRAME_ESCAPE */
	long	sc_lasttime;		/* last time a char arrived */
	long	sc_abortcount;		/* number of abort escape chars */
	long	sc_starttime;		/* time of first abort in window */
	u_int	sc_keepalive;		/* time	to decide link hang */
	u_int	sc_outfill;	/* time	to send	FRAME_END when output idle */
					/*
					 * Handles for scheduling outfill and
					 * keepalive timeouts.
					 */
#if FB3x
	struct	callout_handle	sc_ofhandle;
	struct	callout_handle	sc_kahandle;
#endif
	struct	slcompress sc_comp;	/* tcp compression data */
};

/* internal flags */
#define	SC_ERROR	0x0001		/* had an input error */
#define	SC_OUTWAIT	0x0002		/* waiting for output fill */
#define	SC_KEEPALIVE	0x0004		/* input keepalive */
#define SC_STATIC       0x0008          /* it is static unit */

/* visible flags */
#define	SC_COMPRESS	IFF_LINK0	/* compress TCP traffic */
#define	SC_NOICMP	IFF_LINK1	/* suppress ICMP traffic */
#define	SC_AUTOCOMP	IFF_LINK2	/* auto-enable TCP compression */

#endif /* __APPLE_API_PRIVATE */
#endif
Commit	Line	Data
1c79356b A	1	/*
	2	* Copyright (c) 2000 Apple Computer, Inc. All rights reserved.
	3	*
	4	* @APPLE_LICENSE_HEADER_START@
	5	*
d7e50217	6	* Copyright (c) 1999-2003 Apple Computer, Inc. All Rights Reserved.
1c79356b	7	*
d7e50217 A	8	* This file contains Original Code and/or Modifications of Original Code
	9	* as defined in and that are subject to the Apple Public Source License
	10	* Version 2.0 (the 'License'). You may not use this file except in
	11	* compliance with the License. Please obtain a copy of the License at
	12	* http://www.opensource.apple.com/apsl/ and read it before using this
	13	* file.
	14	*
	15	* The Original Code and all software distributed under the License are
	16	* distributed on an 'AS IS' basis, WITHOUT WARRANTY OF ANY KIND, EITHER
1c79356b A	17	* EXPRESS OR IMPLIED, AND APPLE HEREBY DISCLAIMS ALL SUCH WARRANTIES,
1c79356b A	18	* INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF MERCHANTABILITY,
d7e50217 A	19	* FITNESS FOR A PARTICULAR PURPOSE, QUIET ENJOYMENT OR NON-INFRINGEMENT.
	20	* Please see the License for the specific language governing rights and
	21	* limitations under the License.
1c79356b A	22	*
	23	* @APPLE_LICENSE_HEADER_END@
	24	*/
	25	/*-
	26	* Copyright (c) 1991, 1993
	27	* The Regents of the University of California. All rights reserved.
	28	*
	29	* Redistribution and use in source and binary forms, with or without
	30	* modification, are permitted provided that the following conditions
	31	* are met:
	32	* 1. Redistributions of source code must retain the above copyright
	33	* notice, this list of conditions and the following disclaimer.
	34	* 2. Redistributions in binary form must reproduce the above copyright
	35	* notice, this list of conditions and the following disclaimer in the
	36	* documentation and/or other materials provided with the distribution.
	37	* 3. All advertising materials mentioning features or use of this software
	38	* must display the following acknowledgement:
	39	* This product includes software developed by the University of
	40	* California, Berkeley and its contributors.
	41	* 4. Neither the name of the University nor the names of its contributors
	42	* may be used to endorse or promote products derived from this software
	43	* without specific prior written permission.
	44	*
	45	* THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
	46	* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
	47	* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
	48	* ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
	49	* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
	50	* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
	51	* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
	52	* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
	53	* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
	54	* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
	55	* SUCH DAMAGE.
	56	*
	57	* @(#)if_slvar.h 8.3 (Berkeley) 2/1/94
	58	*
	59	*/
	60
	61	#ifndef _NET_IF_SLVAR_H_
	62	#define _NET_IF_SLVAR_H_
9bccf70c A	63	#include <sys/appleapiopts.h>
	64
	65	#ifndef DONT_WARN_OBSOLETE
	66	#warning if_slvar.h is not used by the darwin kernel
	67	#endif
1c79356b A	68
	69	#include <sys/callout.h>
	70	#include <sys/mbuf.h>
	71	#include <net/slcompress.h>
	72
9bccf70c	73	#ifdef __APPLE_API_PRIVATE
1c79356b A	74
	75	/*
	76	* Definitions for SLIP interface data structures
	77	*
	78	* (This exists so programs like slstats can get at the definition
	79	* of sl_softc.)
	80	*/
	81	struct sl_softc {
	82	struct ifnet sc_if; /* network-visible interface */
	83	struct ifqueue sc_fastq; /* interactive output queue */
	84	struct tty sc_ttyp; / pointer to tty structure */
	85	u_char sc_mp; / pointer to next available buf char */
	86	u_char sc_ep; / pointer to last available buf char */
	87	u_char sc_buf; / input buffer */
	88	u_int sc_flags; /* see below */
	89	u_int sc_escape; /* =1 if last char input was FRAME_ESCAPE */
	90	long sc_lasttime; /* last time a char arrived */
	91	long sc_abortcount; /* number of abort escape chars */
	92	long sc_starttime; /* time of first abort in window */
	93	u_int sc_keepalive; /* time to decide link hang */
	94	u_int sc_outfill; /* time to send FRAME_END when output idle */
	95	/*
	96	* Handles for scheduling outfill and
	97	* keepalive timeouts.
	98	*/
	99	#if FB3x
	100	struct callout_handle sc_ofhandle;
	101	struct callout_handle sc_kahandle;
	102	#endif
	103	struct slcompress sc_comp; /* tcp compression data */
	104	};
	105
	106	/* internal flags */
	107	#define SC_ERROR 0x0001 /* had an input error */
	108	#define SC_OUTWAIT 0x0002 /* waiting for output fill */
	109	#define SC_KEEPALIVE 0x0004 /* input keepalive */
	110	#define SC_STATIC 0x0008 /* it is static unit */
	111
	112	/* visible flags */
	113	#define SC_COMPRESS IFF_LINK0 /* compress TCP traffic */
	114	#define SC_NOICMP IFF_LINK1 /* suppress ICMP traffic */
	115	#define SC_AUTOCOMP IFF_LINK2 /* auto-enable TCP compression */
	116
9bccf70c	117	#endif /* __APPLE_API_PRIVATE */
1c79356b	118	#endif