/* This file contains modified code from `/usr/src/i4b/driver/i4b_isppp.c'

 * which belongs to the I4B package.

 *

 * The original copyright of this file [/usr/src/i4b/driver/i4b_isppp.c] is

 *

 * -----------------------------------------------------------------------------

 *

 *   Copyright (c) 1997 Joerg Wunsch. All rights reserved.

 *

 *   Copyright (c) 1997, 1998 Hellmuth Michaelis. 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. Neither the name of the author nor the names of any co-contributors

 *      may be used to endorse or promote products derived from this software

 *      without specific prior written permission.

 *   4. Altered versions must be plainly marked as such, and must not be

 *      misrepresented as being the original software and/or documentation.

 *

 *   THIS SOFTWARE IS PROVIDED BY THE AUTHOR 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 AUTHOR 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.

 *

 * -----------------------------------------------------------------------------

 */

#define I4BISPPPACCT	1	/* enable accounting messages */

struct i4bisppp_softc {

	/*

	 * struct sppp starts with a struct ifnet, but we gotta allocate

	 * more space for it.  NB: do not relocate this union, it must

	 * be first in isppp_softc.  The tls and tlf hooks below want to

	 * convert a ``struct sppp *'' into a ``struct isppp_softc *''.

	 */

	union {

		struct ifnet scu_if;

		struct sppp scu_sp;

	} sc_if_un;

#define sc_if sc_if_un.scu_if

	int	sc_state;	/* state of the interface	*/

#ifndef __FreeBSD__

	int	sc_unit;	/* unit number for Net/OpenBSD	*/

#endif

	void *sc_cdp;		/* ptr to call descriptor	*/

#ifdef I4BISPPPACCT

	int sc_iinb;		/* isdn driver # of inbytes	*/

	int sc_ioutb;		/* isdn driver # of outbytes	*/

	int sc_inb;		/* # of bytes rx'd		*/

	int sc_outb;		/* # of bytes tx'd	 	*/

	int sc_linb;		/* last # of bytes rx'd		*/

	int sc_loutb;		/* last # of bytes tx'd 	*/

	int sc_fn;		/* flag, first null acct	*/

#endif

#if defined(__FreeBSD__) && __FreeBSD__ >= 3

	struct callout_handle sc_ch;

#endif

};