upgrade isdn4bsd from version 0.71 to the just released version 0.81

52 files changed, 2705 insertions, 738 deletions

diff --git a/sys/conf/NOTES b/sys/conf/NOTES
index c76daa6..3863d79 100644
--- a/sys/conf/NOTES
+++ b/sys/conf/NOTES
@@ -2,7 +2,7 @@
 # LINT -- config file for checking all the sources, tries to pull in
 #	as much of the source tree as it can.
 #
-#	$Id: LINT,v 1.598 1999/05/14 03:57:24 obrien Exp $
+#	$Id: LINT,v 1.599 1999/05/18 12:55:11 roger Exp $
 #
 # NB: You probably don't want to try running a kernel built from this
 # file.  Instead, you should start from GENERIC, and add options from
@@ -1773,7 +1773,9 @@ device iicsmb0	at iicbus?
 controller pcf0	at isa? port 0x320 irq 5
 
 # ISDN4BSD section
-
+#
+# see /usr/share/examples/isdn/ROADMAP for an introduction to isdn4bsd.
+#
 # i4b passive ISDN cards support (isic - I4b Siemens Isdn Chipset driver)
 # note that the ``options'' and ``device'' lines must BOTH be defined !
 #
@@ -1804,6 +1806,10 @@ options USR_STI
 options ITKIX1
 #device isic0 at isa? port 0x398 irq 10 flags 18
 #
+# ELSA PCC-16
+options "ELSA_PCC16"
+#device isic0 at isa? port 0x360 irq 10 flags 19
+#
 # PnP-Cards:
 # ----------
 #
@@ -1838,6 +1844,10 @@ options ELSA_QS1ISA
 options ELSA_QS1PCI
 #device  isic0
 #
+# AVM Fritz!Card PCI
+options "AVM_A1_PCI" 
+#device  isic0
+#
 # PCMCIA-Cards:
 # -------------
 #
diff --git a/sys/conf/options.i386 b/sys/conf/options.i386
index 1553c5c..205912e 100644
--- a/sys/conf/options.i386
+++ b/sys/conf/options.i386
@@ -1,4 +1,4 @@
-#	$Id: options.i386,v 1.112 1999/04/24 21:46:56 peter Exp $
+#	$Id: options.i386,v 1.113 1999/05/09 13:10:49 peter Exp $
 
 DISABLE_PSE
 IDE_DELAY
@@ -138,6 +138,7 @@ TEL_S0_16_3		opt_i4b.h
 AVM_A1			opt_i4b.h
 USR_STI			opt_i4b.h
 ITKIX1			opt_i4b.h
+ELSA_PCC16              opt_i4b.h
 # -------------------------------
 # isdn4bsd: passive ISA PnP cards
 # -------------------------------
diff --git a/sys/i386/conf/LINT b/sys/i386/conf/LINT
index c76daa6..3863d79 100644
--- a/sys/i386/conf/LINT
+++ b/sys/i386/conf/LINT
@@ -2,7 +2,7 @@
 # LINT -- config file for checking all the sources, tries to pull in
 #	as much of the source tree as it can.
 #
-#	$Id: LINT,v 1.598 1999/05/14 03:57:24 obrien Exp $
+#	$Id: LINT,v 1.599 1999/05/18 12:55:11 roger Exp $
 #
 # NB: You probably don't want to try running a kernel built from this
 # file.  Instead, you should start from GENERIC, and add options from
@@ -1773,7 +1773,9 @@ device iicsmb0	at iicbus?
 controller pcf0	at isa? port 0x320 irq 5
 
 # ISDN4BSD section
-
+#
+# see /usr/share/examples/isdn/ROADMAP for an introduction to isdn4bsd.
+#
 # i4b passive ISDN cards support (isic - I4b Siemens Isdn Chipset driver)
 # note that the ``options'' and ``device'' lines must BOTH be defined !
 #
@@ -1804,6 +1806,10 @@ options USR_STI
 options ITKIX1
 #device isic0 at isa? port 0x398 irq 10 flags 18
 #
+# ELSA PCC-16
+options "ELSA_PCC16"
+#device isic0 at isa? port 0x360 irq 10 flags 19
+#
 # PnP-Cards:
 # ----------
 #
@@ -1838,6 +1844,10 @@ options ELSA_QS1ISA
 options ELSA_QS1PCI
 #device  isic0
 #
+# AVM Fritz!Card PCI
+options "AVM_A1_PCI" 
+#device  isic0
+#
 # PCMCIA-Cards:
 # -------------
 #
diff --git a/sys/i386/conf/NOTES b/sys/i386/conf/NOTES
index c76daa6..3863d79 100644
--- a/sys/i386/conf/NOTES
+++ b/sys/i386/conf/NOTES
@@ -2,7 +2,7 @@
 # LINT -- config file for checking all the sources, tries to pull in
 #	as much of the source tree as it can.
 #
-#	$Id: LINT,v 1.598 1999/05/14 03:57:24 obrien Exp $
+#	$Id: LINT,v 1.599 1999/05/18 12:55:11 roger Exp $
 #
 # NB: You probably don't want to try running a kernel built from this
 # file.  Instead, you should start from GENERIC, and add options from
@@ -1773,7 +1773,9 @@ device iicsmb0	at iicbus?
 controller pcf0	at isa? port 0x320 irq 5
 
 # ISDN4BSD section
-
+#
+# see /usr/share/examples/isdn/ROADMAP for an introduction to isdn4bsd.
+#
 # i4b passive ISDN cards support (isic - I4b Siemens Isdn Chipset driver)
 # note that the ``options'' and ``device'' lines must BOTH be defined !
 #
@@ -1804,6 +1806,10 @@ options USR_STI
 options ITKIX1
 #device isic0 at isa? port 0x398 irq 10 flags 18
 #
+# ELSA PCC-16
+options "ELSA_PCC16"
+#device isic0 at isa? port 0x360 irq 10 flags 19
+#
 # PnP-Cards:
 # ----------
 #
@@ -1838,6 +1844,10 @@ options ELSA_QS1ISA
 options ELSA_QS1PCI
 #device  isic0
 #
+# AVM Fritz!Card PCI
+options "AVM_A1_PCI" 
+#device  isic0
+#
 # PCMCIA-Cards:
 # -------------
 #
diff --git a/sys/i386/conf/options.i386 b/sys/i386/conf/options.i386
index 1553c5c..205912e 100644
--- a/sys/i386/conf/options.i386
+++ b/sys/i386/conf/options.i386
@@ -1,4 +1,4 @@
-#	$Id: options.i386,v 1.112 1999/04/24 21:46:56 peter Exp $
+#	$Id: options.i386,v 1.113 1999/05/09 13:10:49 peter Exp $
 
 DISABLE_PSE
 IDE_DELAY
@@ -138,6 +138,7 @@ TEL_S0_16_3		opt_i4b.h
 AVM_A1			opt_i4b.h
 USR_STI			opt_i4b.h
 ITKIX1			opt_i4b.h
+ELSA_PCC16              opt_i4b.h
 # -------------------------------
 # isdn4bsd: passive ISA PnP cards
 # -------------------------------
diff --git a/sys/i386/include/i4b_debug.h b/sys/i386/include/i4b_debug.h
index ad6cccf..628a65e 100644
--- a/sys/i386/include/i4b_debug.h
+++ b/sys/i386/include/i4b_debug.h
@@ -27,9 +27,9 @@
  *	i4b_debug.h - i4b debug header file
  *	-----------------------------------
  *
- *	$Id: i4b_debug.h,v 1.15 1999/02/14 09:45:02 hm Exp $ 
+ *	$Id: i4b_debug.h,v 1.18 1999/04/28 14:50:55 hm Exp $ 
  *
- *      last edit-date: [Sun Feb 14 10:37:58 1999]
+ *      last edit-date: [Wed Apr 28 16:50:36 1999]
  *
  *---------------------------------------------------------------------------*/
 
@@ -169,9 +169,14 @@ extern unsigned int i4b_l4_debug;
 #define L4_DIALST	0x0008		/* network driver dial states	*/
 #define L4_IPRDBG	0x0010		/* ipr driver debug messages	*/
 #define L4_RBCHDBG	0x0020		/* rbch driver debug messages	*/
-
-#define L4_DEBUG_MAX	0x003f		/* all messages on	*/
-#define L4_DEBUG_ERR	(L4_ERR)
+#define L4_ISPDBG	0x0040		/* isp driver debug messages	*/
+#define L4_TELDBG	0x0080		/* tel driver debug messages	*/
+#define L4_TINADBG	0x0100		/* tina driver debug messages	*/
+#define L4_TINAMSG	0x0200		/* tina driver messages		*/
+#define L4_TINAERR	0x0400		/* tina driver error messages	*/
+
+#define L4_DEBUG_MAX	0x07ff		/* all messages on	*/
+#define L4_DEBUG_ERR	(L4_ERR | L4_TINADBG |  L4_TINAMSG | L4_TINAERR)
 
 #ifndef L4_DEBUG_DEFAULT
 #ifdef DO_I4B_MAXDEBUG
diff --git a/sys/i386/include/i4b_ioctl.h b/sys/i386/include/i4b_ioctl.h
index 21560a8..b7289a8 100644
--- a/sys/i386/include/i4b_ioctl.h
+++ b/sys/i386/include/i4b_ioctl.h
@@ -27,9 +27,9 @@
  *	i4b_ioctl.h - messages kernel <--> userland
  *	-------------------------------------------
  *
- *	$Id: i4b_ioctl.h,v 1.69 1999/03/01 09:04:15 hm Exp $ 
+ *	$Id: i4b_ioctl.h,v 1.106 1999/05/19 08:51:14 hm Exp $ 
  *
- *      last edit-date: [Mon Mar  1 10:01:15 1999]
+ *      last edit-date: [Wed May 19 10:56:56 1999]
  *
  *---------------------------------------------------------------------------*/
 
@@ -46,7 +46,7 @@
  *	version and release number for isdn4bsd package
  *---------------------------------------------------------------------------*/
 #define	VERSION		0		/* version number	*/
-#define	REL		71		/* release number	*/
+#define	REL		81		/* release number	*/
 #define STEP		0		/* release step		*/
 
 /*---------------------------------------------------------------------------*
@@ -74,7 +74,9 @@
 #define CTRL_UNKNOWN	0		/* unknown controller type	*/
 #define CTRL_PASSIVE	1		/* passive ISDN controller cards*/
 #define CTRL_DAIC	2		/* Diehl active controller cards*/
-#define	CTRL_NUMTYPES	3		/* number of controller types */
+#define CTRL_TINADD	3		/* Stollmann Tina-dd active card*/
+#define CTRL_AVMB1	4		/* AVM B1 active card		*/
+#define	CTRL_NUMTYPES	5		/* number of controller types	*/
 
 /*---------------------------------------------------------------------------*
  *	card types for CTRL_PASSIVE 
@@ -100,6 +102,7 @@
 #define	CARD_TYPEP_ELSAMLMCALL	17	/* ELSA MicroLink MCall		*/
 #define	CARD_TYPEP_ITKIX1	18	/* ITK ix1 micro 		*/
 #define CARD_TYPEP_AVMA1PCI	19	/* AVM FRITZ!CARD PCI		*/
+#define CARD_TYPEP_PCC16	20	/* ELSA PCC-16			*/
 
 /*
  * in case you add support for more cards, please update:
@@ -110,7 +113,7 @@
  * and adjust CARD_TYPEP_MAX below.
  */
 
-#define CARD_TYPEP_MAX		19	/* max type */
+#define CARD_TYPEP_MAX		20	/* max type */
 
 /*---------------------------------------------------------------------------*
  *	card types for CTRL_DAIC
@@ -170,19 +173,17 @@ typedef	unsigned int cause_t;		/* 32 bit unsigned int	*/
 /*---------------------------------------------------------------------------*
  *	The shorthold algorithm to use
  *---------------------------------------------------------------------------*/
-typedef enum msg_shorthold_algorithm {
-	msg_alg__fix_unit_size,	/* timeout algorithm for fix unit charging */
-	msg_alg__var_unit_size	/* timeout algorithm for variable unit charging */
-} msg_shorthold_algorithm_t;
+#define SHA_FIXU	0    /* timeout algorithm for fix unit charging */
+#define SHA_VARU	1    /* timeout algorithm for variable unit charging */
  
 /*---------------------------------------------------------------------------*
  *	The shorthold data struct
  *---------------------------------------------------------------------------*/
 typedef struct {
-	msg_shorthold_algorithm_t shorthold_algorithm;	/* shorthold algorithm to use */
-	int	unitlen_time;	/* length of a charging unit		*/
-	int	idle_time;	/* time without activity on b ch	*/
-	int	earlyhup_time;	/* safety area at end of unit		*/
+	int	shorthold_algorithm;	/* shorthold algorithm to use	*/
+	int	unitlen_time;		/* length of a charging unit	*/
+	int	idle_time;		/* time without activity on b ch*/
+	int	earlyhup_time;		/* safety area at end of unit	*/
 } msg_shorthold_t;
 
 
@@ -274,6 +275,7 @@ typedef struct {
 #define MSG_PDEACT_IND		'm'
 #define	MSG_NEGCOMP_IND		'n'
 #define	MSG_IFSTATE_CHANGED_IND	'o'
+#define MSG_DIALOUTNUMBER_IND	'p'
 	int		cdid;		/* call descriptor id		*/
 } msg_hdr_t;
 
@@ -349,6 +351,17 @@ typedef struct {
 } msg_dialout_ind_t;
 
 /*---------------------------------------------------------------------------*
+ *	dial a number
+ *---------------------------------------------------------------------------*/
+typedef struct {
+	msg_hdr_t	header;		/* common header	*/
+	int		driver;		/* driver type		*/
+	int		driver_unit;	/* driver unit number	*/
+	int		cmdlen;		/* length of string	*/
+	char		cmd[TELNO_MAX];	/* the number to dial	*/	
+} msg_dialoutnumber_ind_t;
+
+/*---------------------------------------------------------------------------*
  *	idle timeout disconnect sent indication
  *		kernel has sent disconnect request because of b-ch idle
  *---------------------------------------------------------------------------*/
@@ -541,6 +554,7 @@ typedef struct {
 #define  DSTAT_TFAIL	1		/* transient failure */
 #define  DSTAT_PFAIL	2		/* permanent failure */
 #define  DSTAT_INONLY	3		/* no outgoing dials allowed */
+	cause_t		cause;		/* exact i4b cause */
 } msg_dialout_resp_t;
 
 #define	I4B_DIALOUT_RESP	_IOW('4', 5, msg_dialout_resp_t)
diff --git a/sys/i386/include/i4b_tel_ioctl.h b/sys/i386/include/i4b_tel_ioctl.h
index 52f08cc..3df673b 100644
--- a/sys/i386/include/i4b_tel_ioctl.h
+++ b/sys/i386/include/i4b_tel_ioctl.h
@@ -27,20 +27,24 @@
  *	i4b_tel_ioctl.h telephony interface ioctls
  *	------------------------------------------
  *
- *	$Id: i4b_tel_ioctl.h,v 1.7 1999/02/16 10:40:18 hm Exp $ 
+ *	$Id: i4b_tel_ioctl.h,v 1.9 1999/04/21 10:06:32 hm Exp $ 
  *
- *      last edit-date: [Sun Feb 14 10:39:19 1999]
+ *      last edit-date: [Wed Apr 21 11:00:02 1999]
  *
  *---------------------------------------------------------------------------*/
 
 #ifndef _I4B_TEL_IOCTL_H_
 #define _I4B_TEL_IOCTL_H_
 
-/* supported audio format conversions for /dev/i4btelXX devices */
+/*===========================================================================*
+ *	/dev/i4btel<n> devices (audio data)
+ *===========================================================================*/
+ 
+/* supported audio format conversions */
 
-#define CVT_NONE	0		/* no format conversion	*/
-#define CVT_ALAW2ULAW	1		/* kernel A-law, userland mu-law */
-#define CVT_ALAW_CANON	2		/* kernel A-law, userland canonical A-law */
+#define CVT_NONE	0		/* no A-law/u-law conversion     */
+#define CVT_ALAW2ULAW	1		/* ISDN line: A-law, user: u-law */
+#define CVT_ULAW2ALAW	2		/* ISDN line: u-law, user: A-law */
       
 /*---------------------------------------------------------------------------*
  *	get / set audio format 
@@ -50,4 +54,20 @@
 #define	I4B_TEL_SETAUDIOFMT	_IOW('A', 1, int)
 #define	I4B_TEL_EMPTYINPUTQUEUE	_IOW('A', 2, int)
 
+/*===========================================================================*
+ *	/dev/i4bteld<n> devices (dialer interface)
+ *===========================================================================*/
+
+/* dialer commands */
+
+#define CMD_DIAL        'D'     /* dial the following number string */
+#define CMD_HUP         'H'     /* hangup */
+
+/* dialer responses */
+
+#define RSP_CONN        '0'     /* connect */
+#define RSP_BUSY        '1'     /* busy */
+#define RSP_HUP         '2'     /* hangup */
+#define RSP_NOA         '3'     /* no answer */
+
 #endif /* _I4B_TEL_IOCTL_H_ */
diff --git a/sys/i4b/driver/i4b_ctl.c b/sys/i4b/driver/i4b_ctl.c
index 680217e..37a18a9 100644
--- a/sys/i4b/driver/i4b_ctl.c
+++ b/sys/i4b/driver/i4b_ctl.c
@@ -27,9 +27,9 @@
  *	i4b_ctl.c - i4b system control port driver
  *	------------------------------------------
  *
- *	$Id: i4b_ctl.c,v 1.19 1999/02/14 19:51:01 hm Exp $
+ *	$Id: i4b_ctl.c,v 1.20 1999/04/26 10:16:54 hm Exp $
  *
- *	last edit-date: [Sun Feb 14 10:02:29 1999]
+ *	last edit-date: [Mon Apr 26 11:16:28 1999]
  *
  *---------------------------------------------------------------------------*/
 
@@ -90,7 +90,8 @@ static int openflag = 0;
 static	d_open_t	i4bctlopen;
 static	d_close_t	i4bctlclose;
 static	d_ioctl_t	i4bctlioctl;
-#if defined(__FreeBSD_version) && __FreeBSD_version >= 300001
+
+#ifdef OS_USES_POLL
 static d_poll_t		i4bctlpoll;
 #endif
 
@@ -98,7 +99,7 @@ static d_poll_t		i4bctlpoll;
 static struct cdevsw i4bctl_cdevsw = 
 	{ i4bctlopen,	i4bctlclose,	noread,		nowrite,
 	  i4bctlioctl,	nostop,		nullreset,	nodevtotty,
-#if defined(__FreeBSD_version) && __FreeBSD_version >= 300001
+#ifdef OS_USES_POLL
 	  i4bctlpoll,	nommap,		NULL,	"i4bctl", NULL,	-1 };
 #else
 	  noselect,	nommap,		NULL,	"i4bctl", NULL,	-1 };
@@ -326,15 +327,17 @@ i4bctlioctl(dev_t dev, int cmd, caddr_t data, int flag, struct proc *p)
 #endif DO_I4B_DEBUG
 }
 
+#if defined(__FreeBSD__) && defined(OS_USES_POLL)
+
 /*---------------------------------------------------------------------------*
  *	i4bctlpoll - device driver poll routine
  *---------------------------------------------------------------------------*/
-#if defined(__FreeBSD__) && __FreeBSD__ >= 3
 static int
 i4bctlpoll (dev_t dev, int events, struct proc *p)
 {
 	return (ENODEV);
 }
+
 #endif
 
 #endif /* NI4BCTL > 0 */
diff --git a/sys/i4b/driver/i4b_ipr.c b/sys/i4b/driver/i4b_ipr.c
index 9182a54..a427605 100644
--- a/sys/i4b/driver/i4b_ipr.c
+++ b/sys/i4b/driver/i4b_ipr.c
@@ -27,9 +27,9 @@
  *	i4b_ipr.c - isdn4bsd IP over raw HDLC ISDN network driver
  *	---------------------------------------------------------
  *
- *	$Id: i4b_ipr.c,v 1.2 1999/03/07 16:08:13 hm Exp $
+ *	$Id: i4b_ipr.c,v 1.51 1999/05/06 08:24:45 hm Exp $
  *
- *	last edit-date: [Sun Feb 14 10:02:36 1999]
+ *	last edit-date: [Thu May  6 10:09:20 1999]
  *
  *---------------------------------------------------------------------------*
  *
@@ -207,12 +207,22 @@ enum ipr_states {
 	ST_CONNECTED_A,			/* connected to remote		*/
 };
 
+#if defined(__FreeBSD__) || defined(__bsdi__)
+#define	THE_UNIT	sc->sc_if.if_unit
+#else
+#define	THE_UNIT	sc->sc_unit
+#endif
+
 #ifdef __FreeBSD__
 #if defined(__FreeBSD_version) && __FreeBSD_version >= 300001
 #  define IOCTL_CMD_T u_long
 #else
+#ifdef __NetBSD__
+#  define IOCTL_CMD_T u_long
+#else
 #  define IOCTL_CMD_T int
 #endif
+#endif
 PDEVSTATIC void i4biprattach(void *);
 PSEUDO_SET(i4biprattach, i4b_ipr);
 static int i4biprioctl(struct ifnet *ifp, IOCTL_CMD_T cmd, caddr_t data);
@@ -571,7 +581,12 @@ i4biprioctl(struct ifnet *ifp, u_long cmd, caddr_t data)
 		case IPRIOCSMAXCID:
 			{
 			struct proc *p = curproc;	/* XXX */
+
+#if defined(__FreeBSD_version) && __FreeBSD_version >= 400005
 			if((error = suser(p)) != 0)
+#else
+			if((error = suser(p->p_ucred, &p->p_acflag)) != 0)
+#endif
 				return (error);
 		        sl_compress_setup(sc->sc_compr, *(int *)data);
 			}
@@ -686,15 +701,14 @@ iprwatchdog(struct ifnet *ifp)
  *	start transmitting after connect
  *---------------------------------------------------------------------------*/
 static void
-i4bipr_connect_startio(int unit)
+i4bipr_connect_startio(struct ipr_softc *sc)
 {
-	struct ipr_softc *sc = &ipr_softc[unit];
 	int s = SPLI4B();
 	
 	if(sc->sc_state == ST_CONNECTED_W)
 	{
 		sc->sc_state = ST_CONNECTED_A;
-		ipr_tx_queue_empty(unit);
+		ipr_tx_queue_empty(THE_UNIT);
 	}
 
 	splx(s);
@@ -748,7 +762,7 @@ ipr_connect(int unit, void *cdp)
 
 	if(sc->sc_cdp->isdntxdelay > 0)
 	{
-		timeout((TIMEOUT_FUNC_T)i4bipr_connect_startio, (void *)unit, sc->sc_cdp->isdntxdelay /* hz*1 */);
+		timeout((TIMEOUT_FUNC_T)i4bipr_connect_startio, (void *)sc, sc->sc_cdp->isdntxdelay /* hz*1 */);
 	}
 	else
 	{
@@ -803,13 +817,19 @@ ipr_disconnect(int unit, void *cdp)
  *	in case of dial problems
  *---------------------------------------------------------------------------*/
 static void
-ipr_dialresponse(int unit, int status)
+ipr_dialresponse(int unit, int status, cause_t cause)
 {
 	struct ipr_softc *sc = &ipr_softc[unit];
 	sc->sc_dialresp = status;
 
 	DBGL4(L4_IPRDBG, "ipr_dialresponse", ("ipr%d: last=%d, this=%d\n",
 		unit, sc->sc_lastdialresp, sc->sc_dialresp));
+
+	if(status != DSTAT_NONE)
+	{
+		DBGL4(L4_IPRDBG, "ipr_dialresponse", ("ipr%d: clearing queues\n", unit));
+		iprclearqueues(sc);
+	}
 }
 	
 /*---------------------------------------------------------------------------*
@@ -1076,12 +1096,20 @@ ipr_tx_queue_empty(int unit)
 		}
 #endif
 		x = 1;
-			
-		IF_ENQUEUE(isdn_linktab[unit]->tx_queue, m);
 
-		sc->sc_if.if_obytes += m->m_pkthdr.len;
+		if(IF_QFULL(isdn_linktab[unit]->tx_queue))
+		{
+			DBGL4(L4_IPRDBG, "ipr_rx_data_rdy", ("ipr%d: tx queue full!\n", unit));
+			m_freem(m);
+		}
+		else
+		{
+			IF_ENQUEUE(isdn_linktab[unit]->tx_queue, m);
 
-		sc->sc_if.if_opackets++;
+			sc->sc_if.if_obytes += m->m_pkthdr.len;
+
+			sc->sc_if.if_opackets++;
+		}
 	}
 
 	if(x)
diff --git a/sys/i4b/driver/i4b_isppp.c b/sys/i4b/driver/i4b_isppp.c
index 0ea767f..9dc0eff 100644
--- a/sys/i4b/driver/i4b_isppp.c
+++ b/sys/i4b/driver/i4b_isppp.c
@@ -34,9 +34,9 @@
  *	the "cx" driver for Cronyx's HDLC-in-hardware device).  This driver
  *	is only the glue between sppp and i4b.
  *
- *	$Id: i4b_isppp.c,v 1.22 1999/02/14 09:44:55 hm Exp $
+ *	$Id: i4b_isppp.c,v 1.27 1999/05/03 08:48:25 hm Exp $
  *
- *	last edit-date: [Sun Feb 14 10:02:43 1999]
+ *	last edit-date: [Sun May  2 10:52:57 1999]
  *
  *---------------------------------------------------------------------------*/
 
@@ -63,7 +63,7 @@
 #include <net/if_types.h>
 #include <net/netisr.h>
 #include <net/route.h>
-#ifdef __FreeBSD__
+#if defined(__FreeBSD__)
 #include <net/if_sppp.h>
 #else
 #include <i4b/sppp/if_sppp.h>
@@ -83,9 +83,11 @@
 #ifdef __FreeBSD__
 #include <machine/i4b_ioctl.h>
 #include <machine/i4b_cause.h>
+#include <machine/i4b_debug.h>
 #else
 #include <i4b/i4b_ioctl.h>
 #include <i4b/i4b_cause.h>
+#include <i4b/i4b_debug.h>
 #endif
 
 #include <i4b/include/i4b_global.h>
@@ -373,11 +375,19 @@ i4bisppp_start(struct ifnet *ifp)
 
 		microtime(&ifp->if_lastchange);
 
-		IF_ENQUEUE(isdn_linktab[unit]->tx_queue, m);
+		if(IF_QFULL(isdn_linktab[unit]->tx_queue))
+		{
+			DBGL4(L4_ISPDBG, "i4bisppp_start", ("isp%d, tx queue full!\n", unit));
+			m_freem(m);
+		}
+		else
+		{
+			IF_ENQUEUE(isdn_linktab[unit]->tx_queue, m);
 
-		sc->sc_if.if_obytes += m->m_pkthdr.len;
-		sc->sc_outb += m->m_pkthdr.len;
-		sc->sc_if.if_opackets++;
+			sc->sc_if.if_obytes += m->m_pkthdr.len;
+			sc->sc_outb += m->m_pkthdr.len;
+			sc->sc_if.if_opackets++;
+		}
 	}
 	isdn_linktab[unit]->bch_tx_start(isdn_linktab[unit]->unit,
 					 isdn_linktab[unit]->channel);
@@ -553,10 +563,7 @@ i4bisppp_disconnect(int unit, void *cdp)
 	/* new stuff to check that the active channel is being closed */
 	if (cd != sc->sc_cdp)
 	{
-#ifdef I4BISPPPDISCDEBUG		
-		printf("i4bisppp_disconnect: isppp%d channel%d not active\n",
-			cd->driver_unit, cd->channelid);
-#endif
+		DBGL4(L4_ISPDBG, "i4bisppp_disconnect", ("isp%d, channel%d not active!\n", unit, cd->channelid));
 		splx(s);
 		return;
 	}
@@ -587,9 +594,24 @@ i4bisppp_disconnect(int unit, void *cdp)
  *	in case of dial problems
  *---------------------------------------------------------------------------*/
 static void
-i4bisppp_dialresponse(int unit, int status)
+i4bisppp_dialresponse(int unit, int status, cause_t cause)
 {
-/*	struct i4bisppp_softc *sc = &i4bisppp_softc[unit];	*/
+	struct i4bisppp_softc *sc = &i4bisppp_softc[unit];
+
+	DBGL4(L4_ISPDBG, "i4bisppp_dialresponse", ("isp%d: status=%d, cause=%d\n", unit, status, cause));
+
+	if(status != DSTAT_NONE)
+	{
+		struct mbuf *m;
+		
+		DBGL4(L4_ISPDBG, "i4bisppp_dialresponse", ("isp%d: clearing queues\n", unit));
+
+		if(!(sppp_isempty(&sc->sc_if)))
+		{
+			while((m = sppp_dequeue(&sc->sc_if)) != NULL)
+				m_freem(m);
+		}
+	}
 }
 	
 /*---------------------------------------------------------------------------*
diff --git a/sys/i4b/driver/i4b_rbch.c b/sys/i4b/driver/i4b_rbch.c
index 02f91fb..42a9f0c 100644
--- a/sys/i4b/driver/i4b_rbch.c
+++ b/sys/i4b/driver/i4b_rbch.c
@@ -27,9 +27,9 @@
  *	i4b_rbch.c - device driver for raw B channel data
  *	---------------------------------------------------
  *
- *	$Id: i4b_rbch.c,v 1.25 1999/02/14 19:51:01 hm Exp $
+ *	$Id: i4b_rbch.c,v 1.31 1999/05/06 13:07:59 hm Exp $
  *
- *	last edit-date: [Sun Feb 14 10:02:49 1999]
+ *	last edit-date: [Thu May  6 13:40:22 1999]
  *
  *---------------------------------------------------------------------------*/
 
@@ -40,18 +40,6 @@
 #include <sys/param.h>
 #include <sys/systm.h>
 
-#if (defined(__FreeBSD_version) && __FreeBSD_version >= 300001) || (!defined(__FreeBSD__) && !defined(__bsdi__))
-#include <sys/ioccom.h>
-#include <sys/poll.h>
-#else
-#include <sys/fcntl.h>
-#include <sys/ioctl.h>
-#endif
-
-#if (defined(__FreeBSD_version) && __FreeBSD_version >= 300001)
-#include <sys/filio.h>
-#endif
-
 #include <sys/conf.h>
 #include <sys/uio.h>
 #include <sys/kernel.h>
@@ -100,6 +88,19 @@ extern cc_t ttydefchars;
 int bootverbose = 0;
 #endif
 
+#ifdef OS_USES_POLL
+#include <sys/ioccom.h>
+#include <sys/poll.h>
+#else
+#include <sys/fcntl.h>
+#include <sys/ioctl.h>
+#endif
+
+#if (defined(__FreeBSD_version) && __FreeBSD_version >= 300001)
+#include <sys/filio.h>
+#endif
+
+
 static drvr_link_t rbch_drvr_linktab[NI4BRBCH];
 static isdn_link_t *isdn_linktab[NI4BRBCH];
 
@@ -143,7 +144,12 @@ int i4brbchclose __P((dev_t dev, int flag, int fmt, struct proc *p));
 int i4brbchread __P((dev_t dev, struct uio *uio, int ioflag));
 int i4brbchwrite __P((dev_t dev, struct uio *uio, int ioflag));
 int i4brbchioctl __P((dev_t dev, IOCTL_CMD_T cmd, caddr_t arg, int flag, struct proc* pr));
+#ifdef OS_USES_POLL
 int i4brbchpoll __P((dev_t dev, int events, struct proc *p));
+#else
+/* XXX fix "static" to PDEVSTATIC */
+static int i4brbchselect __P((dev_t dev, int rw, struct proc *p));
+#endif
 #endif
 
 #if BSD > 199306 && defined(__FreeBSD__)
@@ -160,7 +166,7 @@ PDEVSTATIC d_read_t i4brbchread;
 PDEVSTATIC d_read_t i4brbchwrite;
 PDEVSTATIC d_ioctl_t i4brbchioctl;
 
-#if (defined(__FreeBSD_version) && __FreeBSD_version >= 300001) || !defined(__FreeBSD__)
+#ifdef OS_USES_POLL
 PDEVSTATIC d_poll_t i4brbchpoll;
 #else
 PDEVSTATIC d_select_t i4brbchselect;
@@ -170,7 +176,7 @@ PDEVSTATIC d_select_t i4brbchselect;
 static struct cdevsw i4brbch_cdevsw = {
 	i4brbchopen,	i4brbchclose,	i4brbchread,	i4brbchwrite,
   	i4brbchioctl,	nostop,		noreset,	nodevtotty,
-#if defined(__FreeBSD_version) && __FreeBSD_version >= 300001
+#ifdef OS_USES_POLL
  	i4brbchpoll,	nommap, 	NULL, "i4brbch", NULL, -1
 #else
 	i4brbchselect,	nommap, 	NULL, "i4brbch", NULL, -1
@@ -486,7 +492,14 @@ i4brbchwrite(dev_t dev, struct uio * uio, int ioflag)
 		
 		error = uiomove(m->m_data, m->m_len, uio);
 
-		IF_ENQUEUE(isdn_linktab[unit]->tx_queue, m);
+		if(IF_QFULL(isdn_linktab[unit]->tx_queue))
+		{
+			m_freem(m);			
+		}
+		else
+		{
+			IF_ENQUEUE(isdn_linktab[unit]->tx_queue, m);
+		}
 
 		(*isdn_linktab[unit]->bch_tx_start)(isdn_linktab[unit]->unit, isdn_linktab[unit]->channel);
 	}
@@ -556,11 +569,11 @@ if(bootverbose)printf("EE-rbch%d: attempting dialout (DTR)\n", unit);
 	return(error);
 }
 
+#ifdef OS_USES_POLL
+
 /*---------------------------------------------------------------------------*
  *	device driver poll
  *---------------------------------------------------------------------------*/
-#if (defined(__FreeBSD_version) && __FreeBSD_version >= 300001) || (!defined(__FreeBSD__) && !defined(__bsdi__))
-
 PDEVSTATIC int
 i4brbchpoll(dev_t dev, int events, struct proc *p)
 {
@@ -570,9 +583,6 @@ i4brbchpoll(dev_t dev, int events, struct proc *p)
 
 	/* We can't check for anything but IN or OUT */
 
-	if((events & (POLLIN|POLLOUT)) == 0)
-		return(POLLNVAL);
-	
 	s = splhigh();
 
 	if(!(rbch_softc[unit].sc_devstate & ST_ISOPEN))
@@ -586,16 +596,16 @@ i4brbchpoll(dev_t dev, int events, struct proc *p)
          * transmit queue can take them
 	 */
 	 
-	if((events & POLLOUT) &&
+	if((events & (POLLOUT|POLLWRNORM)) &&
 	   (rbch_softc[unit].sc_devstate & ST_CONNECTED) &&
 	   !IF_QFULL(isdn_linktab[unit]->tx_queue))
 	{
-		revents |= POLLOUT;
+		revents |= (events & (POLLOUT|POLLWRNORM));
 	}
 	
 	/* ... while reads are OK if we have any data */
 
-	if((events & POLLIN) &&
+	if((events & (POLLIN|POLLRDNORM)) &&
 	   (rbch_softc[unit].sc_devstate & ST_CONNECTED))
 	{
 		struct ifqueue *iqp;
@@ -606,7 +616,7 @@ i4brbchpoll(dev_t dev, int events, struct proc *p)
 			iqp = isdn_linktab[unit]->rx_queue;	
 
 		if(!IF_QEMPTY(iqp))
-			revents |= POLLIN;
+			revents |= (events & (POLLIN|POLLRDNORM));
 	}
 		
 	if(revents == 0)
@@ -616,11 +626,12 @@ i4brbchpoll(dev_t dev, int events, struct proc *p)
 	return(revents);
 }
 
-#else
+#else /* OS_USES_POLL */
 
 /*---------------------------------------------------------------------------*
  *	device driver select
  *---------------------------------------------------------------------------*/
+/* XXX fix "static" to PDEVSTATIC */
 static int
 i4brbchselect(dev_t dev, int rw, struct proc *p)
 {
@@ -649,23 +660,31 @@ i4brbchselect(dev_t dev, int rw, struct proc *p)
 					iqp = isdn_linktab[unit]->rx_queue;	
 
 				if(!IF_QEMPTY(iqp))
+				{
+					splx(s);
 					return(1);
+				}
 				break;
 
 			case FWRITE:
 				if(!IF_QFULL(isdn_linktab[unit]->rx_queue))
+				{
+					splx(s);
 					return(1);
+				}
 				break;
 
 			default:
+				splx(s);
 				return 0;
 		}
 	}
 	selrecord(p, &rbch_softc[unit].selp);
+	splx(s);
 	return(0);
 }
 
-#endif /* defined(__FreeBSD_version) && __FreeBSD_version >= 300001 */
+#endif /* OS_USES_POLL */
 
 /*===========================================================================*
  *			ISDN INTERFACE ROUTINES
@@ -707,7 +726,7 @@ rbch_disconnect(int unit, void *cdp)
  *	feedback from daemon in case of dial problems
  *---------------------------------------------------------------------------*/
 static void
-rbch_dialresponse(int unit, int status)
+rbch_dialresponse(int unit, int status, cause_t cause)
 {
 }
 	
diff --git a/sys/i4b/driver/i4b_tel.c b/sys/i4b/driver/i4b_tel.c
index f7cfd5f..a548338 100644
--- a/sys/i4b/driver/i4b_tel.c
+++ b/sys/i4b/driver/i4b_tel.c
@@ -27,9 +27,9 @@
  *	i4b_tel.c - device driver for ISDN telephony
  *	--------------------------------------------
  *
- *	$Id: i4b_tel.c,v 1.22 1999/02/16 10:40:18 hm Exp $
+ *	$Id: i4b_tel.c,v 1.40 1999/05/06 08:24:45 hm Exp $
  *
- *	last edit-date: [Tue Feb 16 11:30:35 1999]
+ *	last edit-date: [Thu May  6 09:30:13 1999]
  *
  *---------------------------------------------------------------------------*/
 
@@ -42,10 +42,12 @@
 #include <sys/param.h>
 #include <sys/systm.h>
 
-#if defined(__FreeBSD_version) && __FreeBSD_version >= 300001
+#if defined(__FreeBSD_version) && __FreeBSD_version >= 300001 || defined(__NetBSD__)
 #include <sys/ioccom.h>
+#include <sys/poll.h>
 #else
 #include <sys/ioctl.h>
+#include <sys/fcntl.h>
 #endif
 
 #include <sys/conf.h>
@@ -65,37 +67,76 @@
 #include <sys/devfsext.h>
 #endif
 
+#ifdef __bsdi__
+#include <sys/device.h>
+#endif
+
 #ifdef __FreeBSD__
 #include <machine/i4b_ioctl.h>
 #include <machine/i4b_tel_ioctl.h>
+#include <machine/i4b_debug.h>
 #else
 #include <i4b/i4b_ioctl.h>
 #include <i4b/i4b_tel_ioctl.h>
+#include <i4b/i4b_debug.h>
 #endif
 
 #include <i4b/include/i4b_global.h>
 #include <i4b/include/i4b_mbuf.h>
 #include <i4b/include/i4b_l3l4.h>
 
+#include <i4b/layer4/i4b_l4.h>
+
+/* minor number: lower 6 bits = unit number */
+
+#include <i4b/layer4/i4b_l4.h>
+
+#define UNITBITS	6
+#define UNITMASK	0x3f
+#define	UNIT(n)		(minor(n) & UNITMASK)
+
+/* minor number: upper 2 bits = function number */
+
+#define FUNCMASK	0x03
+#define	FUNC(n)		(((minor(n)) >> UNITBITS) & FUNCMASK)
+
+#define FUNCTEL		0	/* 0 = normal i4btel device	*/
+#define FUNCDIAL	1	/* 1 = i4bteld dialout device	*/
+
+#define NOFUNCS		2	/* number of device classes	*/
+
 typedef struct {
-	drvr_link_t		drvr_linktab;	/* driver linktab	*/
-	isdn_link_t 		*isdn_linktab;	/* isdn linktab		*/
+
+	/* used only in func = FUNCTEL */
+
+	drvr_link_t		drvr_linktab;	/* driver linktab */
+	isdn_link_t 		*isdn_linktab;	/* isdn linktab	*/
+	int 			audiofmt;	/* audio format conversion */
+	u_char			*rcvttab;	/* conversion table on read */
+	u_char			*wcvttab;	/* conversion table on write */
+	call_desc_t		*cdp;		/* call descriptor pointer */
+
+	/* used only in func = FUNCDIAL */
+
+	char			result;		/* result code for dial dev */	
+
+	/* used in func = FUNCDIAL and func = FUNCTEL*/
+	
 	int 			devstate;	/* state of this unit	*/
 #define ST_IDLE		0x00		/* idle */
 #define ST_CONNECTED	0x01		/* isdn connected state */
 #define ST_ISOPEN	0x02		/* userland opened */
 #define ST_RDWAITDATA	0x04		/* userland read waiting */
 #define ST_WRWAITEMPTY	0x08		/* userland write waiting */
-	int 			audiofmt;	/* audio format conversion */
-	u_char			*rcvttab;	/* conversion table on read */
-	u_char			*wcvttab;	/* conversion table on write */
-	call_desc_t		*cdp;		/* call descriptor pointer */
+
+	struct selinfo		selp;		/* select / poll */
+
 #ifdef DEVFS
         void                    *devfs_token;   /* token for DEVFS */
 #endif
 } tel_sc_t;
 
-static tel_sc_t tel_sc[NI4BTEL];
+static tel_sc_t tel_sc[NI4BTEL][NOFUNCS];
 	
 /* forward decl */
 
@@ -106,48 +147,62 @@ static void tel_connect(int unit, void *cdp);
 static void tel_disconnect(int unit, void *cdp);
 
 /* audio format conversion tables */
-static unsigned char alaw_ulaw[];
-static unsigned char ulaw_alaw[];
+static unsigned char a2u_tab[];
+static unsigned char u2a_tab[];
 static unsigned char bitreverse[];
 
 #ifndef __FreeBSD__
 #define	PDEVSTATIC	/* - not static - */
 PDEVSTATIC void i4btelattach __P((void));
+
 #ifdef __bsdi__
 PDEVSTATIC int i4btelioctl __P((dev_t dev, u_long cmd, caddr_t data, int flag, struct proc *p));
 #else
 PDEVSTATIC int i4btelioctl __P((dev_t dev, int cmd, caddr_t data, int flag, struct proc *p));
 #endif
+
 int i4btelopen __P((dev_t dev, int flag, int fmt, struct proc *p));
 int i4btelclose __P((dev_t dev, int flag, int fmt, struct proc *p));
 int i4btelread __P((dev_t dev, struct uio *uio, int ioflag));
 int i4btelwrite __P((dev_t dev, struct uio * uio, int ioflag));
+
+#ifdef OS_USES_POLL
+int i4btelpoll	__P((dev_t dev, int events, struct proc *p));
+#else
+int i4btelsel __P((dev_t dev, int rw, struct proc *p));
 #endif
+
+#endif /* __FreeBSD__ */
+
+
 #if BSD > 199306 && defined(__FreeBSD__)
+
 #define PDEVSTATIC	static
 PDEVSTATIC d_open_t	i4btelopen;
 PDEVSTATIC d_close_t i4btelclose;
 PDEVSTATIC d_read_t i4btelread;
 PDEVSTATIC d_read_t i4btelwrite;
 PDEVSTATIC d_ioctl_t i4btelioctl;
-#if defined(__FreeBSD_version) && __FreeBSD_version >= 300001
+#ifdef OS_USES_POLL
 PDEVSTATIC d_poll_t i4btelpoll;
+#else
+PDEVSTATIC d_select_t i4btelsel;
 #endif
 
 #define CDEV_MAJOR 56
 static struct cdevsw i4btel_cdevsw = {
 	i4btelopen,	i4btelclose,	i4btelread,	i4btelwrite,
   	i4btelioctl,	nostop,		noreset,	nodevtotty,
-#if defined(__FreeBSD_version) && __FreeBSD_version >= 300001
+#ifdef OS_USES_POLL
 	i4btelpoll,	nommap, 	NULL, "i4btel", NULL, -1
 #else
-	noselect,	nommap, 	NULL, "i4btel", NULL, -1
+	i4btelsel,	nommap, 	NULL, "i4btel", NULL, -1
 #endif
 };
 
 PDEVSTATIC void i4btelinit(void *unused);
-
 PDEVSTATIC void i4btelattach(void *);
+
 PSEUDO_SET(i4btelattach, i4b_tel);
 
 /*===========================================================================*
@@ -173,7 +228,8 @@ SYSINIT(i4bteldev, SI_SUB_DRIVERS,
 #endif /* BSD > 199306 && defined(__FreeBSD__) */
 
 #ifdef __bsdi__
-#include <sys/device.h>
+
+int i4btelsel(dev_t dev, int rw, struct proc *p);
 int i4btelmatch(struct device *parent, struct cfdata *cf, void *aux);
 void dummy_i4btelattach(struct device*, struct device *, void *);
 
@@ -185,21 +241,23 @@ static struct cfdriver i4btelcd =
 struct devsw i4btelsw = 
 	{ &i4btelcd,
 	  i4btelopen,	i4btelclose,	i4btelread,	i4btelwrite,
-	  i4btelioctl,	seltrue,	nommap,		nostrat,
+	  i4btelioctl,	i4btelsel,	nommap,		nostrat,
 	  nodump,	nopsize,	0,		nostop
 };
 
 int
 i4btelmatch(struct device *parent, struct cfdata *cf, void *aux)
 {
-	printf("i4btelmatch: aux=0x%x\n", aux);
+	DBGL4(L4_TELDBG, "i4btelmatch", ("aux=0x%x\n", aux));	
 	return 1;
 }
+
 void
 dummy_i4btelattach(struct device *parent, struct device *self, void *aux)
 {
-	printf("dummy_i4btelattach: aux=0x%x\n", aux);
+	DBGL4(L4_TELDBG, "dummy_i4btelattach", ("aux=0x%x\n", aux));
 }
+
 #endif /* __bsdi__ */
 
 /*---------------------------------------------------------------------------*
@@ -212,7 +270,7 @@ i4btelattach(void *dummy)
 i4btelattach()
 #endif
 {
-	int i;
+	int i, j;
 
 #ifndef HACK_NO_PSEUDO_ATTACH_MSG
 	printf("i4btel: %d ISDN telephony interface device(s) attached\n", NI4BTEL);
@@ -220,17 +278,22 @@ i4btelattach()
 	
 	for(i=0; i < NI4BTEL; i++)
 	{
-		tel_sc[i].devstate = ST_IDLE;
-		tel_sc[i].audiofmt = CVT_NONE;
-		tel_sc[i].rcvttab = 0;
-		tel_sc[i].wcvttab = 0;
-		tel_init_linktab(i);
+		for(j=0; j < NOFUNCS; j++)
+		{
+			tel_sc[i][j].devstate = ST_IDLE;
+			tel_sc[i][j].audiofmt = CVT_NONE;
+			tel_sc[i][j].rcvttab = 0;
+			tel_sc[i][j].wcvttab = 0;
+			tel_sc[i][j].result = 0;			
+			tel_init_linktab(i);
 #ifdef DEVFS
-	  	tel_sc[i].devfs_token
-		  = devfs_add_devswf(&i4btel_cdevsw, i, DV_CHR,
+
+/* XXX */  		tel_sc[i][j].devfs_token
+		  		= devfs_add_devswf(&i4btel_cdevsw, i, DV_CHR,
 				     UID_ROOT, GID_WHEEL, 0600,
 				     "i4btel%d", i);
 #endif
+		}
 	}
 }
 
@@ -240,19 +303,26 @@ i4btelattach()
 PDEVSTATIC int
 i4btelopen(dev_t dev, int flag, int fmt, struct proc *p)
 {
-	int unit = minor(dev);
+	int unit = UNIT(dev);
+	int func = FUNC(dev);
+	
 	tel_sc_t *sc;
 	
 	if(unit > NI4BTEL)
 		return(ENXIO);
 
-	sc = &tel_sc[unit];		
+	sc = &tel_sc[unit][func];		
 
 	if(sc->devstate & ST_ISOPEN)
 		return(EBUSY);
 
 	sc->devstate |= ST_ISOPEN;		
 
+	if(func == FUNCDIAL)
+	{
+		sc->result = 0;
+	}
+	
 	return(0);
 }
 
@@ -262,16 +332,18 @@ i4btelopen(dev_t dev, int flag, int fmt, struct proc *p)
 PDEVSTATIC int
 i4btelclose(dev_t dev, int flag, int fmt, struct proc *p)
 {
-	int unit = minor(dev);
+	int unit = UNIT(dev);
+	int func = FUNC(dev);
 	tel_sc_t *sc;
 	int error = 0;
 	
 	if(unit > NI4BTEL)
 		return(ENXIO);
 
-	sc = &tel_sc[unit];		
+	sc = &tel_sc[unit][func];		
 
-	if(sc->isdn_linktab != NULL && sc->isdn_linktab->tx_queue != NULL)
+	if((func == FUNCTEL) &&
+	   (sc->isdn_linktab != NULL && sc->isdn_linktab->tx_queue != NULL))
 	{
 		while(!(IF_QEMPTY(sc->isdn_linktab->tx_queue)))
 		{
@@ -285,7 +357,9 @@ i4btelclose(dev_t dev, int flag, int fmt, struct proc *p)
 		}
 		sc->devstate &= ~ST_WRWAITEMPTY;		
 	}
+
 	sc->devstate &= ~ST_ISOPEN;		
+
 	return(error);
 }
 
@@ -301,57 +375,76 @@ i4btelioctl(dev_t dev, u_long cmd, caddr_t data, int flag, struct proc *p)
 i4btelioctl(dev_t dev, int cmd, caddr_t data, int flag, struct proc *p)
 #endif
 {
+	int unit = UNIT(dev);
+	int func = FUNC(dev);
 	int error = 0;
         struct mbuf *m;
         int s;
-	tel_sc_t *sc = &tel_sc[minor(dev)];
 
-	switch(cmd)
-	{
-		case I4B_TEL_GETAUDIOFMT:
-			*(int *)data = sc->audiofmt;
-			break;
-		
-		case I4B_TEL_SETAUDIOFMT:
-			switch (*(int *)data)
-			{
-				case CVT_NONE:
-					sc->rcvttab = 0;
-					sc->wcvttab = 0;
-					break;
-				case CVT_ALAW2ULAW:
-					sc->rcvttab = alaw_ulaw;
-					sc->wcvttab = ulaw_alaw;
-					break;
-				case CVT_ALAW_CANON:
-					sc->rcvttab = bitreverse;
-					sc->wcvttab = bitreverse;
-					break;
-				default:
-					error = ENODEV;
-					break;
-			}
-			if(error == 0)
-				sc->audiofmt = *(int *)data;
-			break;
-
-		case I4B_TEL_EMPTYINPUTQUEUE:
-			s = splimp();
-			while((sc->devstate & ST_CONNECTED)	&&
-				(sc->devstate & ST_ISOPEN) 	&&
-				!IF_QEMPTY(sc->isdn_linktab->rx_queue))
-			{
-				IF_DEQUEUE(sc->isdn_linktab->rx_queue, m);
-				if(m)
-					i4b_Bfreembuf(m);
-			}
-			splx(s);
-			break;
+	tel_sc_t *sc = &tel_sc[unit][func];
 
-		default:
-			error = ENOTTY;
-			break;
+	if(func == FUNCTEL)
+	{
+		switch(cmd)
+		{
+			case I4B_TEL_GETAUDIOFMT:
+				*(int *)data = sc->audiofmt;
+				break;
+			
+			case I4B_TEL_SETAUDIOFMT:
+				switch (*(int *)data)
+				{
+					case CVT_NONE:
+						sc->rcvttab = 0;
+						sc->wcvttab = 0;
+						break;
+					case CVT_ALAW2ULAW:
+						/* ISDN: a-law */
+						/* user: u-law */ 
+						sc->rcvttab = a2u_tab;
+						sc->wcvttab = u2a_tab;
+						break;
+					case CVT_ULAW2ALAW:
+						/* ISDN: u-law */
+						/* user: a-law */ 
+						sc->rcvttab = u2a_tab;
+						sc->wcvttab = a2u_tab;
+						break;
+					default:
+						error = ENODEV;
+						break;
+				}
+				if(error == 0)
+					sc->audiofmt = *(int *)data;
+				break;
+	
+			case I4B_TEL_EMPTYINPUTQUEUE:
+				s = splimp();
+				while((sc->devstate & ST_CONNECTED)	&&
+					(sc->devstate & ST_ISOPEN) 	&&
+					!IF_QEMPTY(sc->isdn_linktab->rx_queue))
+				{
+					IF_DEQUEUE(sc->isdn_linktab->rx_queue, m);
+					if(m)
+						i4b_Bfreembuf(m);
+				}
+				splx(s);
+				break;
+	
+			default:
+				error = ENOTTY;
+				break;
+		}
 	}
+	else if(func == FUNCDIAL)
+	{
+		switch(cmd)
+		{
+			default:
+				error = ENOTTY;
+				break;
+		}
+	}		
 	return(error);
 }
 
@@ -361,187 +454,380 @@ i4btelioctl(dev_t dev, int cmd, caddr_t data, int flag, struct proc *p)
 PDEVSTATIC int
 i4btelread(dev_t dev, struct uio *uio, int ioflag)
 {
+	int unit = UNIT(dev);
+	int func = FUNC(dev);
+
 	struct mbuf *m;
 	int s;
 	int error = 0;
-	tel_sc_t *sc = &tel_sc[minor(dev)];
-	
-#ifdef notdef
-/* 
- * XXX
- * With this code enabled, one cannot set or get the audio format 
- * while not connected. 
-*/
-	if(!(sc->devstate & ST_CONNECTED))
-		return(EIO);
-#endif
 
+	tel_sc_t *sc = &tel_sc[unit][func];
+	
 	if(!(sc->devstate & ST_ISOPEN))
 		return(EIO);
 
-#ifdef NOTDEF
-	while(!(sc->devstate & ST_CONNECTED))
+	if(func == FUNCTEL)
 	{
-		if((error = tsleep((caddr_t) &sc->devstate,
-					TTIPRI | PCATCH,
-					"rrtel", 0 )) != 0)
+		while(IF_QEMPTY(sc->isdn_linktab->rx_queue) &&
+			(sc->devstate & ST_ISOPEN)          &&
+			(sc->devstate & ST_CONNECTED))		
 		{
-			return(error);
+			sc->devstate |= ST_RDWAITDATA;
+
+			DBGL4(L4_TELDBG, "i4btelread", ("i4btel%d, queue empty!\n", unit));
+			
+			if((error = tsleep((caddr_t) &sc->isdn_linktab->rx_queue,
+						TTIPRI | PCATCH,
+						"rtel", 0 )) != 0)
+			{
+				sc->devstate &= ~ST_RDWAITDATA;
+				return(error);
+			}
 		}
-	}
-#endif
+	
+		if(!(sc->devstate & ST_ISOPEN))
+		{
+			return(EIO);
+		}
+	
+		if(!(sc->devstate & ST_CONNECTED))
+		{
+			return(EIO);
+		}
+		
+		s = splimp();
+	
+		IF_DEQUEUE(sc->isdn_linktab->rx_queue, m);
+		
+		if(m && m->m_len > 0)
+		{
+			register int i;
+
+		        for(i = 0; i < m->m_len; i++)
+		        {
+		        	/* always reverse bit order from line */
+				mtod(m,u_char *)[i] = bitreverse[mtod(m,u_char *)[i]];
+
+				/* convert if necessary */
+				if(sc->rcvttab)
+	                                mtod(m,u_char *)[i] = sc->rcvttab[mtod(m,u_char *)[i]];
+	                }
+			error = uiomove(m->m_data, m->m_len, uio);
 
-	while(IF_QEMPTY(sc->isdn_linktab->rx_queue)	&&
-		(sc->devstate & ST_ISOPEN)		&&
-		(sc->devstate & ST_CONNECTED))		
+			DBGL4(L4_TELDBG, "i4btelread", ("i4btel%d, mbuf (%d bytes), uiomove %d!\n", unit, m->m_len, error));
+		}
+		else
+		{
+			DBGL4(L4_TELDBG, "i4btelread", ("i4btel%d, empty mbuf from queue!\n", unit));
+			error = EIO;
+		}
+			
+		if(m)
+			i4b_Bfreembuf(m);
+	
+		splx(s);
+	}
+	else if(func == FUNCDIAL)
 	{
-		sc->devstate |= ST_RDWAITDATA;
+		while((sc->result == 0) && (sc->devstate & ST_ISOPEN))
+		{
+			sc->devstate |= ST_RDWAITDATA;
+	
+			if((error = tsleep((caddr_t) &sc->result,
+						TTIPRI | PCATCH,
+						"rtel1", 0 )) != 0)
+			{
+				sc->devstate &= ~ST_RDWAITDATA;
+				return(error);
+			}
+		}
+	
+		if(!(sc->devstate & ST_ISOPEN))
+		{
+			return(EIO);
+		}
+	
+		s = splimp();
 
-		if((error = tsleep((caddr_t) &sc->isdn_linktab->rx_queue,
-					TTIPRI | PCATCH,
-					"rtel", 0 )) != 0)
+		if(sc->result != 0)
 		{
-			sc->devstate &= ~ST_RDWAITDATA;
-			return(error);
+			error = uiomove(&sc->result, 1, uio);
+			sc->result = 0;
 		}
+		else
+		{
+			error = EIO;
+		}
+
+		splx(s);			
 	}
+	return(error);
+}
 
+/*---------------------------------------------------------------------------*
+ *	write to tel device
+ *---------------------------------------------------------------------------*/
+PDEVSTATIC int
+i4btelwrite(dev_t dev, struct uio * uio, int ioflag)
+{
+	int unit = UNIT(dev);
+	int func = FUNC(dev);
+	struct mbuf *m;
+	int s;
+	int error = 0;
+	tel_sc_t *sc = &tel_sc[unit][func];
+	
 	if(!(sc->devstate & ST_ISOPEN))
 	{
 		return(EIO);
 	}
 
-	if(!(sc->devstate & ST_CONNECTED))
+	if(func == FUNCTEL)
 	{
-		return(EIO);
-	}
+		if(!(sc->devstate & ST_CONNECTED))
+			return(EIO);
+			
+		while((IF_QFULL(sc->isdn_linktab->tx_queue)) &&
+		      (sc->devstate & ST_ISOPEN))
+		{
+			sc->devstate |= ST_WRWAITEMPTY;
+	
+			if((error = tsleep((caddr_t) &sc->isdn_linktab->tx_queue,
+					TTIPRI | PCATCH, "wtel", 0)) != 0)
+			{
+				sc->devstate &= ~ST_WRWAITEMPTY;			
+				return(error);
+			}
+		}
 	
-	s = splimp();
+		if(!(sc->devstate & ST_ISOPEN))
+		{
+			return(EIO);
+		}
+	
+		if(!(sc->devstate & ST_CONNECTED))
+		{
+			return(EIO);
+		}
 
-	IF_DEQUEUE(sc->isdn_linktab->rx_queue, m);
+		s = splimp();
+	
+		if((m = i4b_Bgetmbuf(BCH_MAX_DATALEN)) != NULL)
+		{
+			register int i;
+			
+			m->m_len = min(BCH_MAX_DATALEN, uio->uio_resid);
+	
+			error = uiomove(m->m_data, m->m_len, uio);
+	
+		        for(i = 0; i < m->m_len; i++)
+		        {
+				/* convert if necessary */
+				if(sc->wcvttab)
+					mtod(m,u_char *)[i] = sc->wcvttab[mtod(m,u_char *)[i]];
 
-	if(m && m->m_len > 0)
+				/* always reverse bitorder to line */
+				mtod(m,u_char *)[i] = bitreverse[mtod(m,u_char *)[i]];
+			}
+			
+			if(IF_QFULL(sc->isdn_linktab->tx_queue))
+			{
+				m_freem(m);			
+			}
+			else
+			{
+				IF_ENQUEUE(sc->isdn_linktab->tx_queue, m);
+			}
+	
+			(*sc->isdn_linktab->bch_tx_start)(sc->isdn_linktab->unit, sc->isdn_linktab->channel);
+		}
+	
+		splx(s);
+	}
+	else if(func == FUNCDIAL)
 	{
-		if(sc->rcvttab)
+#define CMDBUFSIZ 80
+		char cmdbuf[CMDBUFSIZ];
+		int len = min(CMDBUFSIZ-1, uio->uio_resid);
+	
+		error = uiomove(cmdbuf, len, uio);
+
+		if(cmdbuf[0] == CMD_DIAL)
 		{
-			int i;
-		        for(i = 0; i < m->m_len; i++)
-                                mtod(m,u_char *)[i] = sc->rcvttab[mtod(m,u_char *)[i]];
-                }
-		error = uiomove(m->m_data, m->m_len, uio);
+			i4b_l4_dialoutnumber(BDRV_TEL, unit, len-1, &cmdbuf[1]);
+		}
+		else if(cmdbuf[0] == CMD_HUP)
+		{
+			i4b_l4_drvrdisc(BDRV_TEL, unit);
+		}
 	}
 	else
 	{
 		error = EIO;
-	}
-		
-	if(m)
-		i4b_Bfreembuf(m);
-
-	splx(s);
-
+	}		
+	
 	return(error);
 }
 
+#ifdef OS_USES_POLL
 /*---------------------------------------------------------------------------*
- *	write to tel device
+ *	device driver poll
  *---------------------------------------------------------------------------*/
 PDEVSTATIC int
-i4btelwrite(dev_t dev, struct uio * uio, int ioflag)
+i4btelpoll(dev_t dev, int events, struct proc *p)
 {
-	struct mbuf *m;
+	int revents = 0;	/* Events we found */
 	int s;
-	int error = 0;
-	tel_sc_t *sc = &tel_sc[minor(dev)];
+	int unit = UNIT(dev);
+	int func = FUNC(dev);	
+
+	tel_sc_t *sc = &tel_sc[unit][func];
 	
-	if(!(sc->devstate & ST_CONNECTED))
-		return(EIO);
+	s = splhigh();
 
 	if(!(sc->devstate & ST_ISOPEN))
 	{
-		return(EIO);
+		DBGL4(L4_TELDBG, "i4btelpoll", ("i4btel%d, !ST_ISOPEN\n", unit));
+		splx(s);
+		return(0);
 	}
 
-#ifdef NOTDEF
-	while(!(sc->devstate & ST_CONNECTED))
+	if(func == FUNCTEL)
 	{
-		if((error = tsleep((caddr_t) &sc->devstate,
-					TTIPRI | PCATCH,
-					"wrtel", 0 )) != 0)
-		{
-			return(error);
-		}
-
 		/*
-		 * XXX the originations B channel gets much earlier
-		 * switched thru than the destinations B channel, so
-		 * if the origination starts to send at once, some
-		 * 200 bytes (at my site) or so get lost, so i delay
-		 * a bit before sending. (-hm)
+		 * Writes are OK if we are connected and the
+	         * transmit queue can take them
 		 */
+		 
+		if((events & (POLLOUT|POLLWRNORM))	&&
+			(sc->devstate & ST_CONNECTED)	&&
+			(sc->isdn_linktab != NULL)	&&
+			(!IF_QFULL(sc->isdn_linktab->tx_queue)))
+		{
+			DBGL4(L4_TELDBG, "i4btelpoll", ("i4btel%d, POLLOUT\n", unit));
+			revents |= (events & (POLLOUT|POLLWRNORM));
+		}
 		
-		tsleep((caddr_t) &sc->devstate, TTIPRI | PCATCH, "xtel", (hz*1));
+		/* ... while reads are OK if we have any data */
+	
+		if((events & (POLLIN|POLLRDNORM))	&&
+			(sc->devstate & ST_CONNECTED)	&&
+			(sc->isdn_linktab != NULL)	&&
+			(!IF_QEMPTY(sc->isdn_linktab->rx_queue)))
+		{
+			DBGL4(L4_TELDBG, "i4btelpoll", ("i4btel%d, POLLIN\n", unit));
+			revents |= (events & (POLLIN|POLLRDNORM));
+		}
+			
+		if(revents == 0)
+		{
+			DBGL4(L4_TELDBG, "i4btelpoll", ("i4btel%d, selrecord\n", unit));
+			selrecord(p, &sc->selp);
+		}
 	}
-#endif
-
-	while((IF_QFULL(sc->isdn_linktab->tx_queue)) &&
-	      (sc->devstate & ST_ISOPEN))
+	else if(func == FUNCDIAL)
 	{
-		sc->devstate |= ST_WRWAITEMPTY;
+		if(events & (POLLOUT|POLLWRNORM))
+		{
+			DBGL4(L4_TELDBG, "i4btelpoll", ("i4bteld%d,  POLLOUT\n", unit));
+			revents |= (events & (POLLOUT|POLLWRNORM));
+		}
 
-		if((error = tsleep((caddr_t) &sc->isdn_linktab->tx_queue,
-				TTIPRI | PCATCH, "wtel", 0)) != 0)
+		if(events & (POLLIN|POLLRDNORM))
+		{
+			DBGL4(L4_TELDBG, "i4btelpoll", ("i4bteld%d,  POLLIN, result = %d\n", unit, sc->result));
+			if(sc->result != 0)
+				revents |= (events & (POLLIN|POLLRDNORM));
+		}
+			
+		if(revents == 0)
 		{
-			sc->devstate &= ~ST_WRWAITEMPTY;			
-			return(error);
+			DBGL4(L4_TELDBG, "i4btelpoll", ("i4bteld%d,  selrecord\n", unit));
+			selrecord(p, &sc->selp);
 		}
 	}
+	splx(s);
+	return(revents);
+}
 
-	if(!(sc->devstate & ST_ISOPEN))
-	{
-		return(EIO);
-	}
+#else /* OS_USES_POLL */
 
-	if(!(sc->devstate & ST_CONNECTED))
-	{
-		return(EIO);
-	}
+/*---------------------------------------------------------------------------*
+ *	device driver select
+ *---------------------------------------------------------------------------*/
+PDEVSTATIC int
+i4btelsel(dev_t dev, int rw, struct proc *p)
+{
+	int s;
+	int unit = UNIT(dev);
+	int func = FUNC(dev);	
 
-	s = splimp();
+	tel_sc_t *sc = &tel_sc[unit][func];
+	
+	s = splhigh();
 
-	if((m = i4b_Bgetmbuf(BCH_MAX_DATALEN)) != NULL)
+	if (!(sc->devstate & ST_ISOPEN))
 	{
-		m->m_len = min(BCH_MAX_DATALEN, uio->uio_resid);
+		DBGL4(L4_TELDBG, "i4btelsel", ("i4btel%d, !ST_ISOPEN\n", unit));
+		splx(s);
+		return(0);
+	}
 
-		error = uiomove(m->m_data, m->m_len, uio);
+	if (func == FUNCTEL)
+	{
+		/* Don't even bother if we're not connected */
+		if (!(sc->devstate & ST_CONNECTED) || sc->isdn_linktab == NULL)
+		{
+			splx(s);
+			return 0;
+		}
 
-		if(sc->wcvttab)
+		if (rw == FREAD)
 		{
-			int i;
-		        for(i = 0; i < m->m_len; i++)
-				mtod(m,u_char *)[i] = sc->wcvttab[mtod(m,u_char *)[i]];
-                }
-		
-		IF_ENQUEUE(sc->isdn_linktab->tx_queue, m);
+			if (!IF_QEMPTY(sc->isdn_linktab->rx_queue))
+			{
+				DBGL4(L4_TELDBG, "i4btelsel", ("i4btel%d, FREAD\n", unit));
+				splx(s);
+				return 1;
+			}
+		}
+		else if (rw == FWRITE)
+		{
+			if (!IF_QFULL(sc->isdn_linktab->tx_queue))
+			{
+				DBGL4(L4_TELDBG, "i4btelsel", ("i4btel%d, FWRITE\n", unit));
+				splx(s);
+				return 1;
+			}
+		}
+	}
+	else if (func == FUNCDIAL)
+	{
+		if (rw == FWRITE)
+		{
+			DBGL4(L4_TELDBG, "i4btelsel", ("i4bteld%d,  FWRITE\n", unit));
+			splx(s);
+			return 1;
+		}
 
-		(*sc->isdn_linktab->bch_tx_start)(sc->isdn_linktab->unit, sc->isdn_linktab->channel);
+		if (rw == FREAD)
+		{
+			DBGL4(L4_TELDBG, "i4btelsel", ("i4bteld%d,  FREAD, result = %d\n", unit, sc->result));
+			if (sc->result != 0)
+			{
+				splx(s);
+				return 1;
+			}
+		}
 	}
 
+	DBGL4(L4_TELDBG, "i4btelsel", ("i4bteld%d,  selrecord\n", unit));
+	selrecord(p, &sc->selp);
 	splx(s);
-	
-	return(error);
+	return 0;
 }
 
-/*---------------------------------------------------------------------------*
- *	poll
- *---------------------------------------------------------------------------*/
-#if defined(__FreeBSD_version) && __FreeBSD_version >= 300001
-PDEVSTATIC int
-i4btelpoll (dev_t dev, int events, struct proc *p)
-{
-	return (ENODEV);
-}
-#endif
+#endif /* OS_USES_POLL */
 
 /*===========================================================================*
  *			ISDN INTERFACE ROUTINES
@@ -553,19 +839,29 @@ i4btelpoll (dev_t dev, int events, struct proc *p)
 static void
 tel_connect(int unit, void *cdp)
 {
-	tel_sc_t *sc = &tel_sc[unit];
+	tel_sc_t *sc = &tel_sc[unit][FUNCTEL];
 
+	/* audio device */
+	
 	sc->cdp = (call_desc_t *)cdp;
 
-#ifdef NOTDEF	
-	if(!(sc->devstate & ST_CONNECTED))
+	sc->devstate |= ST_CONNECTED;
+
+	/* dialer device */
+	
+	sc = &tel_sc[unit][FUNCDIAL];
+
+	if(sc->devstate == ST_ISOPEN)
 	{
-		sc->devstate |= ST_CONNECTED;
-		wakeup((caddr_t) &sc->devstate);
+		sc->result = RSP_CONN;
+
+		if(sc->devstate & ST_RDWAITDATA)
+		{
+			sc->devstate &= ~ST_RDWAITDATA;
+			wakeup((caddr_t) &sc->result);
+		}
+		selwakeup(&sc->selp);
 	}
-#else
-	sc->devstate |= ST_CONNECTED;
-#endif
 }
 
 /*---------------------------------------------------------------------------*
@@ -576,8 +872,10 @@ tel_disconnect(int unit, void *cdp)
 {
 /*	call_desc_t *cd = (call_desc_t *)cdp; */
 
-	tel_sc_t *sc = &tel_sc[unit];
-
+	tel_sc_t *sc = &tel_sc[unit][FUNCTEL];
+	
+	/* audio device */
+	
 	sc->devstate &= ~ST_CONNECTED;
 
 	if(sc->devstate & ST_RDWAITDATA)
@@ -591,14 +889,45 @@ tel_disconnect(int unit, void *cdp)
 		sc->devstate &= ~ST_WRWAITEMPTY;
 		wakeup((caddr_t) &sc->isdn_linktab->tx_queue);
 	}
+
+	/* dialer device */
+	
+	sc = &tel_sc[unit][FUNCDIAL];
+
+	if(sc->devstate == ST_ISOPEN)
+	{
+		sc->result = RSP_HUP;
+
+		if(sc->devstate & ST_RDWAITDATA)
+		{
+			sc->devstate &= ~ST_RDWAITDATA;
+			wakeup((caddr_t) &sc->result);
+		}
+		selwakeup(&sc->selp);
+	}
 }
 
 /*---------------------------------------------------------------------------*
  *	feedback from daemon in case of dial problems
  *---------------------------------------------------------------------------*/
 static void
-tel_dialresponse(int unit, int status)
-{
+tel_dialresponse(int unit, int status, cause_t cause)
+{	
+	tel_sc_t *sc = &tel_sc[unit][FUNCDIAL];
+
+	DBGL4(L4_TELDBG, "tel_dialresponse", ("i4btel%d,  status=%d, cause=0x%4x\n", unit, status, cause));
+
+	if((sc->devstate == ST_ISOPEN) && status)
+	{	
+		sc->result = RSP_NOA;
+
+		if(sc->devstate & ST_RDWAITDATA)
+		{
+			sc->devstate &= ~ST_RDWAITDATA;
+			wakeup((caddr_t) &sc->result);
+		}
+		selwakeup(&sc->selp);
+	}
 }
 	
 /*---------------------------------------------------------------------------*
@@ -617,13 +946,14 @@ tel_updown(int unit, int updown)
 static void
 tel_rx_data_rdy(int unit)
 {
-	tel_sc_t *sc = &tel_sc[unit];
+	tel_sc_t *sc = &tel_sc[unit][FUNCTEL];
 	
 	if(sc->devstate & ST_RDWAITDATA)
 	{
 		sc->devstate &= ~ST_RDWAITDATA;
 		wakeup((caddr_t) &sc->isdn_linktab->rx_queue);
 	}
+	selwakeup(&sc->selp);
 }
 
 /*---------------------------------------------------------------------------*
@@ -634,13 +964,14 @@ tel_rx_data_rdy(int unit)
 static void
 tel_tx_queue_empty(int unit)
 {
-	tel_sc_t *sc = &tel_sc[unit];
+	tel_sc_t *sc = &tel_sc[unit][FUNCTEL];
 
 	if(sc->devstate & ST_WRWAITEMPTY)
 	{
 		sc->devstate &= ~ST_WRWAITEMPTY;
 		wakeup((caddr_t) &sc->isdn_linktab->tx_queue);
 	}
+	selwakeup(&sc->selp);
 }
 
 /*---------------------------------------------------------------------------*
@@ -650,7 +981,8 @@ tel_tx_queue_empty(int unit)
 static void
 tel_activity(int unit, int rxtx)
 {
-	tel_sc[unit].cdp->last_active_time = SECOND;
+	if(tel_sc[unit][FUNCTEL].cdp)
+		tel_sc[unit][FUNCTEL].cdp->last_active_time = SECOND;
 }
 
 /*---------------------------------------------------------------------------*
@@ -659,7 +991,7 @@ tel_activity(int unit, int rxtx)
 drvr_link_t *
 tel_ret_linktab(int unit)
 {
-	tel_sc_t *sc = &tel_sc[unit];
+	tel_sc_t *sc = &tel_sc[unit][FUNCTEL];
 	
 	tel_init_linktab(unit);
 	return(&sc->drvr_linktab);
@@ -671,7 +1003,7 @@ tel_ret_linktab(int unit)
 void
 tel_set_linktab(int unit, isdn_link_t *ilt)
 {
-	tel_sc_t *sc = &tel_sc[unit];
+	tel_sc_t *sc = &tel_sc[unit][FUNCTEL];
 	sc->isdn_linktab = ilt;
 }
 
@@ -681,7 +1013,7 @@ tel_set_linktab(int unit, isdn_link_t *ilt)
 static void
 tel_init_linktab(int unit)
 {
-	tel_sc_t *sc = &tel_sc[unit];
+	tel_sc_t *sc = &tel_sc[unit][FUNCTEL];
 	
 	sc->drvr_linktab.unit = unit;
 	sc->drvr_linktab.bch_rx_data_ready = tel_rx_data_rdy;
@@ -694,74 +1026,121 @@ tel_init_linktab(int unit)
 }
 
 /*===========================================================================*
- *			AUDIO FORMAT CONVERSION
+ *	AUDIO FORMAT CONVERSION (produced by running g711conv)
  *===========================================================================*/
 
 /*---------------------------------------------------------------------------*
- *	Line format to mu-law conversion
+ *	A-law to u-law conversion
  *---------------------------------------------------------------------------*/
-static unsigned char alaw_ulaw[256] = {
-	0x2a, 0xa9, 0x62, 0xe1, 0x0a, 0x8a, 0x48, 0xc8, 0x39, 0xb9, 0x75, 0xf3, 0x1a, 0x9a, 0x56, 0xd6,
-	0x22, 0xa1, 0x5d, 0xdc, 0x02, 0x82, 0x40, 0xc0, 0x31, 0xb1, 0x6a, 0xe9, 0x12, 0x92, 0x4f, 0xcf,
-	0x2e, 0xad, 0x66, 0xe5, 0x0e, 0x8e, 0x4c, 0xcc, 0x3d, 0xbd, 0x7d, 0xfb, 0x1e, 0x9e, 0x5a, 0xda,
-	0x26, 0xa5, 0x5f, 0xde, 0x06, 0x86, 0x44, 0xc4, 0x35, 0xb5, 0x6e, 0xed, 0x16, 0x96, 0x52, 0xd2,
-	0x28, 0xa7, 0x60, 0xdf, 0x08, 0x88, 0x46, 0xc6, 0x37, 0xb7, 0x71, 0xef, 0x18, 0x98, 0x54, 0xd4,
-	0x20, 0x9f, 0x5c, 0xdb, 0x00, 0x80, 0x3f, 0xbf, 0x2f, 0xaf, 0x68, 0xe7, 0x10, 0x90, 0x4e, 0xce,
-	0x2c, 0xab, 0x64, 0xe3, 0x0c, 0x8c, 0x4a, 0xca, 0x3b, 0xbb, 0x79, 0xf7, 0x1c, 0x9c, 0x58, 0xd8,
-	0x24, 0xa3, 0x5e, 0xdd, 0x04, 0x84, 0x42, 0xc2, 0x33, 0xb3, 0x6c, 0xeb, 0x14, 0x94, 0x50, 0xd0,
-	0x2b, 0xaa, 0x63, 0xe2, 0x0b, 0x8b, 0x49, 0xc9, 0x3a, 0xba, 0x77, 0xf5, 0x1b, 0x9b, 0x57, 0xd7,
-	0x23, 0xa2, 0x5d, 0xdd, 0x03, 0x83, 0x41, 0xc1, 0x32, 0xb2, 0x6b, 0xea, 0x13, 0x93, 0x4f, 0xcf,
-	0x2f, 0xae, 0x67, 0xe6, 0x0f, 0x8f, 0x4d, 0xcd, 0x3e, 0xbe, 0xff, 0xfd, 0x1f, 0x9f, 0x5b, 0xdb,
-	0x27, 0xa6, 0x5f, 0xdf, 0x07, 0x87, 0x45, 0xc5, 0x36, 0xb6, 0x6f, 0xee, 0x17, 0x97, 0x53, 0xd3,
-	0x29, 0xa8, 0x61, 0xe0, 0x09, 0x89, 0x47, 0xc7, 0x38, 0xb8, 0x73, 0xf1, 0x19, 0x99, 0x55, 0xd5,
-	0x21, 0xa0, 0x5c, 0xdc, 0x01, 0x81, 0x3f, 0xbf, 0x30, 0xb0, 0x69, 0xe8, 0x11, 0x91, 0x4e, 0xce,
-	0x2d, 0xac, 0x65, 0xe4, 0x0d, 0x8d, 0x4b, 0xcb, 0x3c, 0xbc, 0x7b, 0xf9, 0x1d, 0x9d, 0x59, 0xd9,
-	0x25, 0xa4, 0x5e, 0xde, 0x05, 0x85, 0x43, 0xc3, 0x34, 0xb4, 0x6d, 0xec, 0x15, 0x95, 0x51, 0xd1
+static unsigned char a2u_tab[256] = {
+/* 00 */	0x2a, 0x2b, 0x28, 0x29, 0x2e, 0x2f, 0x2c, 0x2d, 
+/* 08 */	0x22, 0x23, 0x20, 0x21, 0x26, 0x27, 0x24, 0x25, 
+/* 10 */	0x39, 0x3a, 0x37, 0x38, 0x3d, 0x3e, 0x3b, 0x3c, 
+/* 18 */	0x31, 0x32, 0x30, 0x30, 0x35, 0x36, 0x33, 0x34, 
+/* 20 */	0x0a, 0x0b, 0x08, 0x09, 0x0e, 0x0f, 0x0c, 0x0d, 
+/* 28 */	0x02, 0x03, 0x00, 0x01, 0x06, 0x07, 0x04, 0x05, 
+/* 30 */	0x1a, 0x1b, 0x18, 0x19, 0x1e, 0x1f, 0x1c, 0x1d, 
+/* 38 */	0x12, 0x13, 0x10, 0x11, 0x16, 0x17, 0x14, 0x15, 
+/* 40 */	0x62, 0x63, 0x60, 0x61, 0x66, 0x67, 0x64, 0x65, 
+/* 48 */	0x5d, 0x5d, 0x5c, 0x5c, 0x5f, 0x5f, 0x5e, 0x5e, 
+/* 50 */	0x74, 0x76, 0x70, 0x72, 0x7c, 0x7e, 0x78, 0x7a, 
+/* 58 */	0x6a, 0x6b, 0x68, 0x69, 0x6e, 0x6f, 0x6c, 0x6d, 
+/* 60 */	0x48, 0x49, 0x46, 0x47, 0x4c, 0x4d, 0x4a, 0x4b, 
+/* 68 */	0x40, 0x41, 0x3f, 0x3f, 0x44, 0x45, 0x42, 0x43, 
+/* 70 */	0x56, 0x57, 0x54, 0x55, 0x5a, 0x5b, 0x58, 0x59, 
+/* 78 */	0x4f, 0x4f, 0x4e, 0x4e, 0x52, 0x53, 0x50, 0x51, 
+/* 80 */	0xaa, 0xab, 0xa8, 0xa9, 0xae, 0xaf, 0xac, 0xad, 
+/* 88 */	0xa2, 0xa3, 0xa0, 0xa1, 0xa6, 0xa7, 0xa4, 0xa5, 
+/* 90 */	0xb9, 0xba, 0xb7, 0xb8, 0xbd, 0xbe, 0xbb, 0xbc, 
+/* 98 */	0xb1, 0xb2, 0xb0, 0xb0, 0xb5, 0xb6, 0xb3, 0xb4, 
+/* a0 */	0x8a, 0x8b, 0x88, 0x89, 0x8e, 0x8f, 0x8c, 0x8d, 
+/* a8 */	0x82, 0x83, 0x80, 0x81, 0x86, 0x87, 0x84, 0x85, 
+/* b0 */	0x9a, 0x9b, 0x98, 0x99, 0x9e, 0x9f, 0x9c, 0x9d, 
+/* b8 */	0x92, 0x93, 0x90, 0x91, 0x96, 0x97, 0x94, 0x95, 
+/* c0 */	0xe2, 0xe3, 0xe0, 0xe1, 0xe6, 0xe7, 0xe4, 0xe5, 
+/* c8 */	0xdd, 0xdd, 0xdc, 0xdc, 0xdf, 0xdf, 0xde, 0xde, 
+/* d0 */	0xf4, 0xf6, 0xf0, 0xf2, 0xfc, 0xfe, 0xf8, 0xfa, 
+/* d8 */	0xea, 0xeb, 0xe8, 0xe9, 0xee, 0xef, 0xec, 0xed, 
+/* e0 */	0xc8, 0xc9, 0xc6, 0xc7, 0xcc, 0xcd, 0xca, 0xcb, 
+/* e8 */	0xc0, 0xc1, 0xbf, 0xbf, 0xc4, 0xc5, 0xc2, 0xc3, 
+/* f0 */	0xd6, 0xd7, 0xd4, 0xd5, 0xda, 0xdb, 0xd8, 0xd9, 
+/* f8 */	0xcf, 0xcf, 0xce, 0xce, 0xd2, 0xd3, 0xd0, 0xd1
 };
 
-
 /*---------------------------------------------------------------------------*
- *	mu-law to line format conversion
+ *	u-law to A-law conversion
  *---------------------------------------------------------------------------*/
-static unsigned char ulaw_alaw[256] = {
-	0x54, 0xd4, 0x14, 0x94, 0x74, 0xf4, 0x34, 0xb4, 0x44, 0xc4, 0x04, 0x84, 0x64, 0xe4, 0x24, 0xa4,
-	0x5c, 0xdc, 0x1c, 0x9c, 0x7c, 0xfc, 0x3c, 0xbc, 0x4c, 0xcc, 0x0c, 0x8c, 0x6c, 0xec, 0x2c, 0xac,
-	0xd0, 0x10, 0x90, 0x70, 0xf0, 0x30, 0xb0, 0x40, 0xc0, 0x00, 0x80, 0x60, 0xe0, 0x20, 0xa0, 0x58,
-	0xd8, 0x18, 0x98, 0x78, 0xf8, 0x38, 0xb8, 0x48, 0xc8, 0x08, 0x88, 0x68, 0xe8, 0x28, 0xa8, 0xd6,
-	0x16, 0x96, 0x76, 0xf6, 0x36, 0xb6, 0x46, 0xc6, 0x06, 0x86, 0x66, 0xe6, 0x26, 0xa6, 0xde, 0x9e,
-	0x7e, 0xfe, 0x3e, 0xbe, 0x4e, 0xce, 0x0e, 0x8e, 0x6e, 0xee, 0x2e, 0xae, 0xd2, 0x92, 0xf2, 0xb2,
-	0xc2, 0x02, 0x82, 0x62, 0xe2, 0x22, 0xa2, 0x5a, 0xda, 0x1a, 0x9a, 0x7a, 0xfa, 0x3a, 0xba, 0x4a,
-	0x4a, 0xca, 0xca, 0x0a, 0x0a, 0x8a, 0x8a, 0x6a, 0x6a, 0xea, 0xea, 0x2a, 0x2a, 0xaa, 0xab, 0xab,
-	0x55, 0xd5, 0x15, 0x95, 0x75, 0xf5, 0x35, 0xb5, 0x45, 0xc5, 0x05, 0x85, 0x65, 0xe5, 0x25, 0xa5,
-	0x5d, 0xdd, 0x1d, 0x9d, 0x7d, 0xfd, 0x3d, 0xbd, 0x4d, 0xcd, 0x0d, 0x8d, 0x6d, 0xed, 0x2d, 0xad,
-	0x51, 0xd1, 0x11, 0x91, 0x71, 0xf1, 0x31, 0xb1, 0x41, 0xc1, 0x01, 0x81, 0x61, 0xe1, 0x21, 0xa1,
-	0xd9, 0x19, 0x99, 0x79, 0xf9, 0x39, 0xb9, 0x49, 0xc9, 0x09, 0x89, 0x69, 0xe9, 0x29, 0xa9, 0x57,
-	0x17, 0x97, 0x77, 0xf7, 0x37, 0xb7, 0x47, 0xc7, 0x07, 0x87, 0x67, 0xe7, 0x27, 0xa7, 0x5f, 0x1f,
-	0x7f, 0xff, 0x3f, 0xbf, 0x4f, 0xcf, 0x0f, 0x8f, 0x6f, 0xef, 0x2f, 0xaf, 0x53, 0x13, 0x73, 0x33,
-	0x43, 0xc3, 0x03, 0x83, 0x63, 0xe3, 0x23, 0xa3, 0x5b, 0xdb, 0x1b, 0x9b, 0x7b, 0xfb, 0x3b, 0xbb,
-	0xbb, 0x4b, 0x4b, 0xcb, 0xcb, 0x0b, 0x0b, 0x8b, 0x8b, 0x6b, 0x6b, 0xeb, 0xeb, 0x2b, 0x2b, 0xab
+static unsigned char u2a_tab[256] = {
+/* 00 */	0x2a, 0x2b, 0x28, 0x29, 0x2e, 0x2f, 0x2c, 0x2d, 
+/* 08 */	0x22, 0x23, 0x20, 0x21, 0x26, 0x27, 0x24, 0x25, 
+/* 10 */	0x3a, 0x3b, 0x38, 0x39, 0x3e, 0x3f, 0x3c, 0x3d, 
+/* 18 */	0x32, 0x33, 0x30, 0x31, 0x36, 0x37, 0x34, 0x35, 
+/* 20 */	0x0a, 0x0b, 0x08, 0x09, 0x0e, 0x0f, 0x0c, 0x0d, 
+/* 28 */	0x02, 0x03, 0x00, 0x01, 0x06, 0x07, 0x04, 0x05, 
+/* 30 */	0x1b, 0x18, 0x19, 0x1e, 0x1f, 0x1c, 0x1d, 0x12, 
+/* 38 */	0x13, 0x10, 0x11, 0x16, 0x17, 0x14, 0x15, 0x6a, 
+/* 40 */	0x68, 0x69, 0x6e, 0x6f, 0x6c, 0x6d, 0x62, 0x63, 
+/* 48 */	0x60, 0x61, 0x66, 0x67, 0x64, 0x65, 0x7a, 0x78, 
+/* 50 */	0x7e, 0x7f, 0x7c, 0x7d, 0x72, 0x73, 0x70, 0x71, 
+/* 58 */	0x76, 0x77, 0x74, 0x75, 0x4b, 0x49, 0x4f, 0x4d, 
+/* 60 */	0x42, 0x43, 0x40, 0x41, 0x46, 0x47, 0x44, 0x45, 
+/* 68 */	0x5a, 0x5b, 0x58, 0x59, 0x5e, 0x5f, 0x5c, 0x5d, 
+/* 70 */	0x52, 0x52, 0x53, 0x53, 0x50, 0x50, 0x51, 0x51, 
+/* 78 */	0x56, 0x56, 0x57, 0x57, 0x54, 0x54, 0x55, 0x55, 
+/* 80 */	0xaa, 0xab, 0xa8, 0xa9, 0xae, 0xaf, 0xac, 0xad, 
+/* 88 */	0xa2, 0xa3, 0xa0, 0xa1, 0xa6, 0xa7, 0xa4, 0xa5, 
+/* 90 */	0xba, 0xbb, 0xb8, 0xb9, 0xbe, 0xbf, 0xbc, 0xbd, 
+/* 98 */	0xb2, 0xb3, 0xb0, 0xb1, 0xb6, 0xb7, 0xb4, 0xb5, 
+/* a0 */	0x8a, 0x8b, 0x88, 0x89, 0x8e, 0x8f, 0x8c, 0x8d, 
+/* a8 */	0x82, 0x83, 0x80, 0x81, 0x86, 0x87, 0x84, 0x85, 
+/* b0 */	0x9b, 0x98, 0x99, 0x9e, 0x9f, 0x9c, 0x9d, 0x92, 
+/* b8 */	0x93, 0x90, 0x91, 0x96, 0x97, 0x94, 0x95, 0xea, 
+/* c0 */	0xe8, 0xe9, 0xee, 0xef, 0xec, 0xed, 0xe2, 0xe3, 
+/* c8 */	0xe0, 0xe1, 0xe6, 0xe7, 0xe4, 0xe5, 0xfa, 0xf8, 
+/* d0 */	0xfe, 0xff, 0xfc, 0xfd, 0xf2, 0xf3, 0xf0, 0xf1, 
+/* d8 */	0xf6, 0xf7, 0xf4, 0xf5, 0xcb, 0xc9, 0xcf, 0xcd, 
+/* e0 */	0xc2, 0xc3, 0xc0, 0xc1, 0xc6, 0xc7, 0xc4, 0xc5, 
+/* e8 */	0xda, 0xdb, 0xd8, 0xd9, 0xde, 0xdf, 0xdc, 0xdd, 
+/* f0 */	0xd2, 0xd2, 0xd3, 0xd3, 0xd0, 0xd0, 0xd1, 0xd1, 
+/* f8 */	0xd6, 0xd6, 0xd7, 0xd7, 0xd4, 0xd4, 0xd5, 0xd5
 };
   
 /*---------------------------------------------------------------------------*
- *	bit-reverse the sample to convert from/to canonical A-law
+ *	reverse bits in a byte
  *---------------------------------------------------------------------------*/
 static unsigned char bitreverse[256] = {
-	0x00, 0x80, 0x40, 0xc0, 0x20, 0xa0, 0x60, 0xe0, 0x10, 0x90, 0x50, 0xd0, 0x30, 0xb0, 0x70, 0xf0, 
-	0x08, 0x88, 0x48, 0xc8, 0x28, 0xa8, 0x68, 0xe8, 0x18, 0x98, 0x58, 0xd8, 0x38, 0xb8, 0x78, 0xf8, 
-	0x04, 0x84, 0x44, 0xc4, 0x24, 0xa4, 0x64, 0xe4, 0x14, 0x94, 0x54, 0xd4, 0x34, 0xb4, 0x74, 0xf4, 
-	0x0c, 0x8c, 0x4c, 0xcc, 0x2c, 0xac, 0x6c, 0xec, 0x1c, 0x9c, 0x5c, 0xdc, 0x3c, 0xbc, 0x7c, 0xfc, 
-	0x02, 0x82, 0x42, 0xc2, 0x22, 0xa2, 0x62, 0xe2, 0x12, 0x92, 0x52, 0xd2, 0x32, 0xb2, 0x72, 0xf2, 
-	0x0a, 0x8a, 0x4a, 0xca, 0x2a, 0xaa, 0x6a, 0xea, 0x1a, 0x9a, 0x5a, 0xda, 0x3a, 0xba, 0x7a, 0xfa, 
-	0x06, 0x86, 0x46, 0xc6, 0x26, 0xa6, 0x66, 0xe6, 0x16, 0x96, 0x56, 0xd6, 0x36, 0xb6, 0x76, 0xf6, 
-	0x0e, 0x8e, 0x4e, 0xce, 0x2e, 0xae, 0x6e, 0xee, 0x1e, 0x9e, 0x5e, 0xde, 0x3e, 0xbe, 0x7e, 0xfe, 
-	0x01, 0x81, 0x41, 0xc1, 0x21, 0xa1, 0x61, 0xe1, 0x11, 0x91, 0x51, 0xd1, 0x31, 0xb1, 0x71, 0xf1, 
-	0x09, 0x89, 0x49, 0xc9, 0x29, 0xa9, 0x69, 0xe9, 0x19, 0x99, 0x59, 0xd9, 0x39, 0xb9, 0x79, 0xf9, 
-	0x05, 0x85, 0x45, 0xc5, 0x25, 0xa5, 0x65, 0xe5, 0x15, 0x95, 0x55, 0xd5, 0x35, 0xb5, 0x75, 0xf5, 
-	0x0d, 0x8d, 0x4d, 0xcd, 0x2d, 0xad, 0x6d, 0xed, 0x1d, 0x9d, 0x5d, 0xdd, 0x3d, 0xbd, 0x7d, 0xfd, 
-	0x03, 0x83, 0x43, 0xc3, 0x23, 0xa3, 0x63, 0xe3, 0x13, 0x93, 0x53, 0xd3, 0x33, 0xb3, 0x73, 0xf3, 
-	0x0b, 0x8b, 0x4b, 0xcb, 0x2b, 0xab, 0x6b, 0xeb, 0x1b, 0x9b, 0x5b, 0xdb, 0x3b, 0xbb, 0x7b, 0xfb, 
-	0x07, 0x87, 0x47, 0xc7, 0x27, 0xa7, 0x67, 0xe7, 0x17, 0x97, 0x57, 0xd7, 0x37, 0xb7, 0x77, 0xf7, 
-	0x0f, 0x8f, 0x4f, 0xcf, 0x2f, 0xaf, 0x6f, 0xef, 0x1f, 0x9f, 0x5f, 0xdf, 0x3f, 0xbf, 0x7f, 0xff
+/* 00 */	0x00, 0x80, 0x40, 0xc0, 0x20, 0xa0, 0x60, 0xe0, 
+/* 08 */	0x10, 0x90, 0x50, 0xd0, 0x30, 0xb0, 0x70, 0xf0, 
+/* 10 */	0x08, 0x88, 0x48, 0xc8, 0x28, 0xa8, 0x68, 0xe8, 
+/* 18 */	0x18, 0x98, 0x58, 0xd8, 0x38, 0xb8, 0x78, 0xf8, 
+/* 20 */	0x04, 0x84, 0x44, 0xc4, 0x24, 0xa4, 0x64, 0xe4, 
+/* 28 */	0x14, 0x94, 0x54, 0xd4, 0x34, 0xb4, 0x74, 0xf4, 
+/* 30 */	0x0c, 0x8c, 0x4c, 0xcc, 0x2c, 0xac, 0x6c, 0xec, 
+/* 38 */	0x1c, 0x9c, 0x5c, 0xdc, 0x3c, 0xbc, 0x7c, 0xfc, 
+/* 40 */	0x02, 0x82, 0x42, 0xc2, 0x22, 0xa2, 0x62, 0xe2, 
+/* 48 */	0x12, 0x92, 0x52, 0xd2, 0x32, 0xb2, 0x72, 0xf2, 
+/* 50 */	0x0a, 0x8a, 0x4a, 0xca, 0x2a, 0xaa, 0x6a, 0xea, 
+/* 58 */	0x1a, 0x9a, 0x5a, 0xda, 0x3a, 0xba, 0x7a, 0xfa, 
+/* 60 */	0x06, 0x86, 0x46, 0xc6, 0x26, 0xa6, 0x66, 0xe6, 
+/* 68 */	0x16, 0x96, 0x56, 0xd6, 0x36, 0xb6, 0x76, 0xf6, 
+/* 70 */	0x0e, 0x8e, 0x4e, 0xce, 0x2e, 0xae, 0x6e, 0xee, 
+/* 78 */	0x1e, 0x9e, 0x5e, 0xde, 0x3e, 0xbe, 0x7e, 0xfe, 
+/* 80 */	0x01, 0x81, 0x41, 0xc1, 0x21, 0xa1, 0x61, 0xe1, 
+/* 88 */	0x11, 0x91, 0x51, 0xd1, 0x31, 0xb1, 0x71, 0xf1, 
+/* 90 */	0x09, 0x89, 0x49, 0xc9, 0x29, 0xa9, 0x69, 0xe9, 
+/* 98 */	0x19, 0x99, 0x59, 0xd9, 0x39, 0xb9, 0x79, 0xf9, 
+/* a0 */	0x05, 0x85, 0x45, 0xc5, 0x25, 0xa5, 0x65, 0xe5, 
+/* a8 */	0x15, 0x95, 0x55, 0xd5, 0x35, 0xb5, 0x75, 0xf5, 
+/* b0 */	0x0d, 0x8d, 0x4d, 0xcd, 0x2d, 0xad, 0x6d, 0xed, 
+/* b8 */	0x1d, 0x9d, 0x5d, 0xdd, 0x3d, 0xbd, 0x7d, 0xfd, 
+/* c0 */	0x03, 0x83, 0x43, 0xc3, 0x23, 0xa3, 0x63, 0xe3, 
+/* c8 */	0x13, 0x93, 0x53, 0xd3, 0x33, 0xb3, 0x73, 0xf3, 
+/* d0 */	0x0b, 0x8b, 0x4b, 0xcb, 0x2b, 0xab, 0x6b, 0xeb, 
+/* d8 */	0x1b, 0x9b, 0x5b, 0xdb, 0x3b, 0xbb, 0x7b, 0xfb, 
+/* e0 */	0x07, 0x87, 0x47, 0xc7, 0x27, 0xa7, 0x67, 0xe7, 
+/* e8 */	0x17, 0x97, 0x57, 0xd7, 0x37, 0xb7, 0x77, 0xf7, 
+/* f0 */	0x0f, 0x8f, 0x4f, 0xcf, 0x2f, 0xaf, 0x6f, 0xef, 
+/* f8 */	0x1f, 0x9f, 0x5f, 0xdf, 0x3f, 0xbf, 0x7f, 0xff
 };
 
 /*===========================================================================*/
diff --git a/sys/i4b/driver/i4b_trace.c b/sys/i4b/driver/i4b_trace.c
index f50a67a..fe94d14 100644
--- a/sys/i4b/driver/i4b_trace.c
+++ b/sys/i4b/driver/i4b_trace.c
@@ -27,9 +27,9 @@
  *	i4btrc - device driver for trace data read device
  *	---------------------------------------------------
  *
- *	$Id: i4b_trace.c,v 1.16 1999/02/14 19:51:01 hm Exp $
+ *	$Id: i4b_trace.c,v 1.18 1999/04/28 08:23:21 hm Exp $
  *
- *	last edit-date: [Sun Feb 14 10:03:01 1999]
+ *	last edit-date: [Wed Apr 28 10:21:09 1999]
  *
  *	NOTE: the code assumes that SPLI4B >= splimp !
  *
@@ -125,7 +125,7 @@ static d_open_t	i4btrcopen;
 static d_close_t i4btrcclose;
 static d_read_t i4btrcread;
 static d_ioctl_t i4btrcioctl;
-#if defined(__FreeBSD_version) && __FreeBSD_version >= 300001
+#ifdef OS_USES_POLL
 static d_poll_t i4btrcpoll;
 #endif
 
@@ -133,7 +133,7 @@ static d_poll_t i4btrcpoll;
 static struct cdevsw i4btrc_cdevsw = {
 	i4btrcopen,	i4btrcclose,	i4btrcread,	nowrite,
   	i4btrcioctl,	nostop,		noreset,	nodevtotty,
-#if defined(__FreeBSD_version) && __FreeBSD_version >= 300001
+#ifdef OS_USES_POLL
 	i4btrcpoll,	nommap, 	NULL, "i4btrc", NULL, -1
 #else
 	noselect,	nommap, 	NULL, "i4btrc", NULL, -1
@@ -441,10 +441,10 @@ i4btrcread(dev_t dev, struct uio * uio, int ioflag)
 	return(error);
 }
 
+#if defined(__FreeBSD__) && defined(OS_USES_POLL)
 /*---------------------------------------------------------------------------*
  *	poll device
  *---------------------------------------------------------------------------*/
-#if defined(__FreeBSD_version) && __FreeBSD_version >= 300001
 PDEVSTATIC int
 i4btrcpoll(dev_t dev, int events, struct proc *p)
 {
diff --git a/sys/i4b/include/i4b_debug.h b/sys/i4b/include/i4b_debug.h
index ad6cccf..628a65e 100644
--- a/sys/i4b/include/i4b_debug.h
+++ b/sys/i4b/include/i4b_debug.h
@@ -27,9 +27,9 @@
  *	i4b_debug.h - i4b debug header file
  *	-----------------------------------
  *
- *	$Id: i4b_debug.h,v 1.15 1999/02/14 09:45:02 hm Exp $ 
+ *	$Id: i4b_debug.h,v 1.18 1999/04/28 14:50:55 hm Exp $ 
  *
- *      last edit-date: [Sun Feb 14 10:37:58 1999]
+ *      last edit-date: [Wed Apr 28 16:50:36 1999]
  *
  *---------------------------------------------------------------------------*/
 
@@ -169,9 +169,14 @@ extern unsigned int i4b_l4_debug;
 #define L4_DIALST	0x0008		/* network driver dial states	*/
 #define L4_IPRDBG	0x0010		/* ipr driver debug messages	*/
 #define L4_RBCHDBG	0x0020		/* rbch driver debug messages	*/
-
-#define L4_DEBUG_MAX	0x003f		/* all messages on	*/
-#define L4_DEBUG_ERR	(L4_ERR)
+#define L4_ISPDBG	0x0040		/* isp driver debug messages	*/
+#define L4_TELDBG	0x0080		/* tel driver debug messages	*/
+#define L4_TINADBG	0x0100		/* tina driver debug messages	*/
+#define L4_TINAMSG	0x0200		/* tina driver messages		*/
+#define L4_TINAERR	0x0400		/* tina driver error messages	*/
+
+#define L4_DEBUG_MAX	0x07ff		/* all messages on	*/
+#define L4_DEBUG_ERR	(L4_ERR | L4_TINADBG |  L4_TINAMSG | L4_TINAERR)
 
 #ifndef L4_DEBUG_DEFAULT
 #ifdef DO_I4B_MAXDEBUG
diff --git a/sys/i4b/include/i4b_global.h b/sys/i4b/include/i4b_global.h
index e386b38..b13ac0e 100644
--- a/sys/i4b/include/i4b_global.h
+++ b/sys/i4b/include/i4b_global.h
@@ -27,19 +27,22 @@
  *	i4b_global.h - i4b global include file
  *	--------------------------------------
  *
- *	$Id: i4b_global.h,v 1.19 1999/02/27 11:08:01 hm Exp $
+ *	$Id: i4b_global.h,v 1.21 1999/04/26 10:16:54 hm Exp $
  *
- *	last edit-date: [Sun Feb 14 10:03:55 1999]
+ *	last edit-date: [Mon Apr 26 11:10:26 1999]
  *
  *---------------------------------------------------------------------------*/
 
 #ifndef _I4B_GLOBAL_H_
 #define _I4B_GLOBAL_H_
 
-#define	SPLI4B()	splimp()	/* spl for i4b		*/
+/*---------------------------------------------------------------------------*
+ *	hiding OS differences in the kernel
+ *---------------------------------------------------------------------------*/ 
 
-#define TIMER_IDLE	1		/* a timer is running	*/
-#define TIMER_ACTIVE	2		/* a timer is idle	*/
+/*---------------*/
+/* time handling */
+/*---------------*/
 
 #ifdef __FreeBSD__
 #include <sys/param.h>
@@ -66,6 +69,37 @@
 
 #endif /* __NetBSD__ */
 
+/*----------------------*/
+/* poll/select handling */
+/*----------------------*/
+
+#if (defined(__FreeBSD__) && \
+        (!defined(__FreeBSD_version) || (__FreeBSD_version < 300001))) \
+                || defined (__OpenBSD__) || defined(__bsdi__)
+#define OS_USES_SELECT
+#else
+#define OS_USES_POLL
+#endif
+
+/*---------------------------------------------------------------------------*
+ *	misc globally used things in the kernel
+ *---------------------------------------------------------------------------*/ 
+
+/* timer states */
+
+#define TIMER_IDLE	1		/* a timer is running	*/
+#define TIMER_ACTIVE	2		/* a timer is idle	*/
+
+/* i4b's spl */
+
+#define	SPLI4B()	splimp()	/* spl for i4b		*/
+
+/* critial code region handling macros */
+
+#define CRIT_VAR	int _svd_spl_	/* declare variable	*/
+#define CRIT_BEG	_svd_spl_ = SPLI4B()	/* save spl	*/
+#define CRIT_END	splx(_svd_spl_)	/* restore spl		*/
+
 /* definitions for the STATUS indications L1 -> L2 -> L3 */
 
 #define	STI_ATTACH	0	/* attach at boot time	*/
diff --git a/sys/i4b/include/i4b_ioctl.h b/sys/i4b/include/i4b_ioctl.h
index 21560a8..b7289a8 100644
--- a/sys/i4b/include/i4b_ioctl.h
+++ b/sys/i4b/include/i4b_ioctl.h
@@ -27,9 +27,9 @@
  *	i4b_ioctl.h - messages kernel <--> userland
  *	-------------------------------------------
  *
- *	$Id: i4b_ioctl.h,v 1.69 1999/03/01 09:04:15 hm Exp $ 
+ *	$Id: i4b_ioctl.h,v 1.106 1999/05/19 08:51:14 hm Exp $ 
  *
- *      last edit-date: [Mon Mar  1 10:01:15 1999]
+ *      last edit-date: [Wed May 19 10:56:56 1999]
  *
  *---------------------------------------------------------------------------*/
 
@@ -46,7 +46,7 @@
  *	version and release number for isdn4bsd package
  *---------------------------------------------------------------------------*/
 #define	VERSION		0		/* version number	*/
-#define	REL		71		/* release number	*/
+#define	REL		81		/* release number	*/
 #define STEP		0		/* release step		*/
 
 /*---------------------------------------------------------------------------*
@@ -74,7 +74,9 @@
 #define CTRL_UNKNOWN	0		/* unknown controller type	*/
 #define CTRL_PASSIVE	1		/* passive ISDN controller cards*/
 #define CTRL_DAIC	2		/* Diehl active controller cards*/
-#define	CTRL_NUMTYPES	3		/* number of controller types */
+#define CTRL_TINADD	3		/* Stollmann Tina-dd active card*/
+#define CTRL_AVMB1	4		/* AVM B1 active card		*/
+#define	CTRL_NUMTYPES	5		/* number of controller types	*/
 
 /*---------------------------------------------------------------------------*
  *	card types for CTRL_PASSIVE 
@@ -100,6 +102,7 @@
 #define	CARD_TYPEP_ELSAMLMCALL	17	/* ELSA MicroLink MCall		*/
 #define	CARD_TYPEP_ITKIX1	18	/* ITK ix1 micro 		*/
 #define CARD_TYPEP_AVMA1PCI	19	/* AVM FRITZ!CARD PCI		*/
+#define CARD_TYPEP_PCC16	20	/* ELSA PCC-16			*/
 
 /*
  * in case you add support for more cards, please update:
@@ -110,7 +113,7 @@
  * and adjust CARD_TYPEP_MAX below.
  */
 
-#define CARD_TYPEP_MAX		19	/* max type */
+#define CARD_TYPEP_MAX		20	/* max type */
 
 /*---------------------------------------------------------------------------*
  *	card types for CTRL_DAIC
@@ -170,19 +173,17 @@ typedef	unsigned int cause_t;		/* 32 bit unsigned int	*/
 /*---------------------------------------------------------------------------*
  *	The shorthold algorithm to use
  *---------------------------------------------------------------------------*/
-typedef enum msg_shorthold_algorithm {
-	msg_alg__fix_unit_size,	/* timeout algorithm for fix unit charging */
-	msg_alg__var_unit_size	/* timeout algorithm for variable unit charging */
-} msg_shorthold_algorithm_t;
+#define SHA_FIXU	0    /* timeout algorithm for fix unit charging */
+#define SHA_VARU	1    /* timeout algorithm for variable unit charging */
  
 /*---------------------------------------------------------------------------*
  *	The shorthold data struct
  *---------------------------------------------------------------------------*/
 typedef struct {
-	msg_shorthold_algorithm_t shorthold_algorithm;	/* shorthold algorithm to use */
-	int	unitlen_time;	/* length of a charging unit		*/
-	int	idle_time;	/* time without activity on b ch	*/
-	int	earlyhup_time;	/* safety area at end of unit		*/
+	int	shorthold_algorithm;	/* shorthold algorithm to use	*/
+	int	unitlen_time;		/* length of a charging unit	*/
+	int	idle_time;		/* time without activity on b ch*/
+	int	earlyhup_time;		/* safety area at end of unit	*/
 } msg_shorthold_t;
 
 
@@ -274,6 +275,7 @@ typedef struct {
 #define MSG_PDEACT_IND		'm'
 #define	MSG_NEGCOMP_IND		'n'
 #define	MSG_IFSTATE_CHANGED_IND	'o'
+#define MSG_DIALOUTNUMBER_IND	'p'
 	int		cdid;		/* call descriptor id		*/
 } msg_hdr_t;
 
@@ -349,6 +351,17 @@ typedef struct {
 } msg_dialout_ind_t;
 
 /*---------------------------------------------------------------------------*
+ *	dial a number
+ *---------------------------------------------------------------------------*/
+typedef struct {
+	msg_hdr_t	header;		/* common header	*/
+	int		driver;		/* driver type		*/
+	int		driver_unit;	/* driver unit number	*/
+	int		cmdlen;		/* length of string	*/
+	char		cmd[TELNO_MAX];	/* the number to dial	*/	
+} msg_dialoutnumber_ind_t;
+
+/*---------------------------------------------------------------------------*
  *	idle timeout disconnect sent indication
  *		kernel has sent disconnect request because of b-ch idle
  *---------------------------------------------------------------------------*/
@@ -541,6 +554,7 @@ typedef struct {
 #define  DSTAT_TFAIL	1		/* transient failure */
 #define  DSTAT_PFAIL	2		/* permanent failure */
 #define  DSTAT_INONLY	3		/* no outgoing dials allowed */
+	cause_t		cause;		/* exact i4b cause */
 } msg_dialout_resp_t;
 
 #define	I4B_DIALOUT_RESP	_IOW('4', 5, msg_dialout_resp_t)
diff --git a/sys/i4b/include/i4b_l3l4.h b/sys/i4b/include/i4b_l3l4.h
index 0f7ac7d..3655bb1 100644
--- a/sys/i4b/include/i4b_l3l4.h
+++ b/sys/i4b/include/i4b_l3l4.h
@@ -27,9 +27,9 @@
  *	i4b_l3l4.h - layer 3 / layer 4 interface
  *	------------------------------------------
  *
- *	$Id: i4b_l3l4.h,v 1.23 1999/02/15 09:55:47 hm Exp $
+ *	$Id: i4b_l3l4.h,v 1.24 1999/03/18 14:33:40 hm Exp $
  *
- *	last edit-date: [Sun Feb 14 10:04:19 1999]
+ *	last edit-date: [Wed Mar 17 16:16:40 1999]
  *
  *---------------------------------------------------------------------------*/
 
@@ -81,7 +81,7 @@ typedef struct i4l_driver_bchan_linktab {
 #define ACT_TX 1
 	void (*line_connected)(int unit, void *cde);
 	void (*line_disconnected)(int unit, void *cde);
-	void (*dial_response)(int unit, int stat);
+	void (*dial_response)(int unit, int stat, cause_t cause);
 	void (*updown_ind)(int unit, int updown);		
 } drvr_link_t;
 
diff --git a/sys/i4b/include/i4b_tel_ioctl.h b/sys/i4b/include/i4b_tel_ioctl.h
index 52f08cc..3df673b 100644
--- a/sys/i4b/include/i4b_tel_ioctl.h
+++ b/sys/i4b/include/i4b_tel_ioctl.h
@@ -27,20 +27,24 @@
  *	i4b_tel_ioctl.h telephony interface ioctls
  *	------------------------------------------
  *
- *	$Id: i4b_tel_ioctl.h,v 1.7 1999/02/16 10:40:18 hm Exp $ 
+ *	$Id: i4b_tel_ioctl.h,v 1.9 1999/04/21 10:06:32 hm Exp $ 
  *
- *      last edit-date: [Sun Feb 14 10:39:19 1999]
+ *      last edit-date: [Wed Apr 21 11:00:02 1999]
  *
  *---------------------------------------------------------------------------*/
 
 #ifndef _I4B_TEL_IOCTL_H_
 #define _I4B_TEL_IOCTL_H_
 
-/* supported audio format conversions for /dev/i4btelXX devices */
+/*===========================================================================*
+ *	/dev/i4btel<n> devices (audio data)
+ *===========================================================================*/
+ 
+/* supported audio format conversions */
 
-#define CVT_NONE	0		/* no format conversion	*/
-#define CVT_ALAW2ULAW	1		/* kernel A-law, userland mu-law */
-#define CVT_ALAW_CANON	2		/* kernel A-law, userland canonical A-law */
+#define CVT_NONE	0		/* no A-law/u-law conversion     */
+#define CVT_ALAW2ULAW	1		/* ISDN line: A-law, user: u-law */
+#define CVT_ULAW2ALAW	2		/* ISDN line: u-law, user: A-law */
       
 /*---------------------------------------------------------------------------*
  *	get / set audio format 
@@ -50,4 +54,20 @@
 #define	I4B_TEL_SETAUDIOFMT	_IOW('A', 1, int)
 #define	I4B_TEL_EMPTYINPUTQUEUE	_IOW('A', 2, int)
 
+/*===========================================================================*
+ *	/dev/i4bteld<n> devices (dialer interface)
+ *===========================================================================*/
+
+/* dialer commands */
+
+#define CMD_DIAL        'D'     /* dial the following number string */
+#define CMD_HUP         'H'     /* hangup */
+
+/* dialer responses */
+
+#define RSP_CONN        '0'     /* connect */
+#define RSP_BUSY        '1'     /* busy */
+#define RSP_HUP         '2'     /* hangup */
+#define RSP_NOA         '3'     /* no answer */
+
 #endif /* _I4B_TEL_IOCTL_H_ */
diff --git a/sys/i4b/layer1/i4b_avm_fritz_pci.c b/sys/i4b/layer1/i4b_avm_fritz_pci.c
index da910b6..2da4f89 100644
--- a/sys/i4b/layer1/i4b_avm_fritz_pci.c
+++ b/sys/i4b/layer1/i4b_avm_fritz_pci.c
@@ -29,18 +29,24 @@
  *   SUCH DAMAGE.
  *
  *---------------------------------------------------------------------------
+ *   a lot of code was borrowed from i4b_bchan.c and i4b_hscx.c
+ *---------------------------------------------------------------------------
  *
  *	Fritz!Card PCI specific routines for isic driver
  *	------------------------------------------------
  *
- *	$Id: i4b_avm_fritz_pci.c,v 1.1 1999/02/17 14:31:42 hm Exp $
+ *	$Id: i4b_avm_fritz_pci.c,v 1.5 1999/05/05 11:50:21 hm Exp $
  *
- *      last edit-date: [Wed Feb 17 15:23:28 1999]
+ *      last edit-date: [Tue Mar 16 16:18:35 1999]
  *
  *---------------------------------------------------------------------------*/
 
+#if defined(__FreeBSD__)
 #include "isic.h"
 #include "opt_i4b.h"
+#else
+#define NISIC 1
+#endif
 
 #if NISIC > 0 && defined(AVM_A1_PCI)
 
@@ -54,15 +60,32 @@
 #include <sys/systm.h>
 #include <sys/mbuf.h>
 
+#ifdef __FreeBSD__
 #include <machine/clock.h>
 #include <i386/isa/isa_device.h>
 #include <pci/pcivar.h>              /* for pcici_t */
+#if __FreeBSD__ < 3
+#include <pci/pcireg.h>
+#include <pci/pcibus.h>
+#endif /* __FreeBSD__ < 3 */
+#else
+#include <machine/bus.h>
+#include <sys/device.h>
+#endif
 
 #include <sys/socket.h>
 #include <net/if.h>
 
+#ifdef __FreeBSD__
 #include <machine/i4b_debug.h>
 #include <machine/i4b_ioctl.h>
+#else
+#include <dev/pci/pcireg.h>
+#include <dev/pci/pcivar.h>
+#include <dev/pci/pcidevs.h>
+#include <i4b/i4b_debug.h>
+#include <i4b/i4b_ioctl.h>
+#endif
 
 #include <i4b/include/i4b_global.h>
 #include <i4b/include/i4b_l1l2.h>
@@ -72,7 +95,20 @@
 #include <i4b/layer1/i4b_isac.h>
 #include <i4b/layer1/i4b_hscx.h>
 
+#ifndef __FreeBSD__
+
+#include <i4b/layer1/pci_isic.h>
+
+/* PCI config map to use (only one in this driver) */
+#define FRITZPCI_PORT0_MAPOFF	PCI_MAPREG_START+4
+
+#endif
+
 /* prototypes */
+static void avma1pp_disable(struct isic_softc *);
+
+#ifdef __FreeBSD__
+
 static void avma1pp_intr(struct isic_softc *);
 static void avma1pp_disable(struct isic_softc *);
 void avma1pp_map_int(pcici_t , void *, unsigned *);
@@ -88,11 +124,30 @@ static void avma1pp_bchannel_setup(int, int, int, int);
 static void avma1pp_bchannel_start(int, int);
 static void avma1pp_hscx_init(struct isic_softc *, int, int);
 static void avma1pp_bchannel_stat(int, int, bchan_statistics_t *);
-static void avma1pp_fifo(isic_Bchan_t *, struct isic_softc *);
 static void avma1pp_set_linktab(int, int, drvr_link_t *);
 static isdn_link_t * avma1pp_ret_linktab(int, int);
+int isic_attach_avma1pp(int, u_int, u_int);
 extern void isicintr_sc(struct isic_softc *);
 
+#else
+
+static int avma1pp_intr(void*);
+static void avma1pp_read_fifo(struct isic_softc *sc, int what, void *buf, size_t size);
+static void avma1pp_write_fifo(struct isic_softc *sc, int what, const void *buf, size_t size);
+static void avma1pp_write_reg(struct isic_softc *sc, int what, bus_size_t offs, u_int8_t data);
+static u_int8_t avma1pp_read_reg(struct isic_softc *sc, int what, bus_size_t offs);
+static void hscx_write_fifo(int chan, const void *buf, size_t len, struct isic_softc *sc);
+static void hscx_read_fifo(int chan, void *buf, size_t len, struct isic_softc *sc);
+static void hscx_write_reg(int chan, u_int off, u_int val, struct isic_softc *sc);
+static u_char hscx_read_reg(int chan, u_int off, struct isic_softc *sc);
+static u_int hscx_read_reg_int(int chan, u_int off, struct isic_softc *sc);
+static void avma1pp_fifo(isic_Bchan_t *chan, struct isic_softc *sc);
+static void avma1pp_bchannel_stat(int unit, int h_chan, bchan_statistics_t *bsp);
+static void avma1pp_map_int(struct pci_isic_softc *sc, struct pci_attach_args *pa);
+static void avma1pp_bchannel_setup(int unit, int h_chan, int bprot, int activate);
+static void avma1pp_init_linktab(struct isic_softc *);
+#endif
+
 /*---------------------------------------------------------------------------*
  *	AVM PCI Fritz!Card special registers
  *---------------------------------------------------------------------------*/
@@ -105,20 +160,27 @@ extern void isicintr_sc(struct isic_softc *);
 #define ADDR_REG_OFFSET         0x04
 /*#define MODREG_OFFSET		0x06
 #define VERREG_OFFSET           0x07*/
+
 /* these 2 are used to select an ISAC register set */
 #define ISAC_LO_REG_OFFSET	0x04
 #define ISAC_HI_REG_OFFSET	0x06
+
 /* offset higher than this goes to the HI register set */
 #define MAX_LO_REG_OFFSET	0x2f
+
 /* mask for the offset */
 #define ISAC_REGSET_MASK	0x0f
+
 /* the offset from the base to the ISAC registers */
 #define ISAC_REG_OFFSET		0x10
+
 /* the offset from the base to the ISAC FIFO */
 #define ISAC_FIFO		0x02
+
 /* not really the HSCX, but sort of */
 #define HSCX_FIFO		0x00
 #define HSCX_STAT		0x04
+
 /*
  *	AVM PCI Status Latch 0 read only bits
  */
@@ -128,6 +190,7 @@ extern void isicintr_sc(struct isic_softc *);
 #define ASL_IRQ_BCHAN           ASL_IRQ_HSCX
 /* actually active LOW */
 #define ASL_IRQ_Pending         (ASL_IRQ_ISAC | ASL_IRQ_HSCX | ASL_IRQ_TIMER)
+
 /*
  *	AVM Status Latch 0 write only bits
  */
@@ -136,6 +199,7 @@ extern void isicintr_sc(struct isic_softc *);
 #define ASL_TIMERRESET          0x04  /* active high */
 #define ASL_ENABLE_INT          0x08  /* active high */
 #define ASL_TESTBIT	        0x10  /* active high */
+
 /*
  *	AVM Status Latch 1 write only bits
  */
@@ -195,12 +259,16 @@ extern void isicintr_sc(struct isic_softc *);
 #define AVMA1PPSETCMDLONG(f) (f) = ((sc->avma1pp_cmd) | (sc->avma1pp_txl << 8) \
  					| (sc->avma1pp_prot << 16))
 
+#ifdef __FreeBSD__
+
 /* "fake" addresses for the non-existent HSCX */
 /* note: the unit number is in the lower byte for both the ISAC and "HSCX" */
 #define HSCX0FAKE	0xfa000 /* read: fake0 */
 #define HSCX1FAKE	0xfa100 /* read: fake1 */
 #define IS_HSCX_MASK	0xfff00
 
+#endif /* __FreeBSD__ */
+
 /*
  * to prevent deactivating the "HSCX" when both channels are active we
  * define an HSCX_ACTIVE flag which is or'd into the channel's state
@@ -212,6 +280,8 @@ extern void isicintr_sc(struct isic_softc *);
 /*---------------------------------------------------------------------------*
  *	AVM read fifo routines
  *---------------------------------------------------------------------------*/
+
+#ifdef __FreeBSD__
 static void		
 avma1pp_read_fifo(void *buf, const void *base, size_t len)
 {
@@ -255,9 +325,49 @@ hscx_read_fifo(int chan, void *buf, size_t len, struct isic_softc *sc)
 	}
 }
 
+#else
+
+static void
+avma1pp_read_fifo(struct isic_softc *sc, int what, void *buf, size_t size)
+{
+	switch (what) {
+		case ISIC_WHAT_ISAC:
+			bus_space_write_1(sc->sc_maps[0].t, sc->sc_maps[0].h,  ADDR_REG_OFFSET, ISAC_FIFO);
+			bus_space_read_multi_1(sc->sc_maps[0].t, sc->sc_maps[0].h,  ISAC_REG_OFFSET, buf, size);
+			break;
+		case ISIC_WHAT_HSCXA:
+			hscx_read_fifo(0, buf, size, sc);
+			break;
+		case ISIC_WHAT_HSCXB:
+			hscx_read_fifo(1, buf, size, sc);
+			break;
+	}
+}
+
+static void
+hscx_read_fifo(int chan, void *buf, size_t len, struct isic_softc *sc)
+{
+	u_int32_t *ip;
+	size_t cnt;
+
+	bus_space_write_4(sc->sc_maps[0].t, sc->sc_maps[0].h, ADDR_REG_OFFSET, chan);
+	ip = (u_int32_t *)buf;
+	cnt = 0;
+	/* what if len isn't a multiple of sizeof(int) and buf is */
+	/* too small ???? */
+	while (cnt < len)
+	{
+		*ip++ = bus_space_read_4(sc->sc_maps[0].t, sc->sc_maps[0].h, ISAC_REG_OFFSET);
+		cnt += 4;
+	}
+}
+
+#endif
+
 /*---------------------------------------------------------------------------*
  *	AVM write fifo routines
  *---------------------------------------------------------------------------*/
+#ifdef __FreeBSD__
 static void
 avma1pp_write_fifo(void *base, const void *buf, size_t len)
 {
@@ -312,9 +422,60 @@ hscx_write_fifo(int chan, const void *buf, size_t len, struct isic_softc *sc)
 	}
 }
 
+#else
+
+static void
+avma1pp_write_fifo(struct isic_softc *sc, int what, const void *buf, size_t size)
+{
+	switch (what) {
+		case ISIC_WHAT_ISAC:
+			bus_space_write_1(sc->sc_maps[0].t, sc->sc_maps[0].h,  ADDR_REG_OFFSET, ISAC_FIFO);
+			bus_space_write_multi_1(sc->sc_maps[0].t, sc->sc_maps[0].h,  ISAC_REG_OFFSET, (u_int8_t*)buf, size);
+			break;
+		case ISIC_WHAT_HSCXA:
+			hscx_write_fifo(0, buf, size, sc);
+			break;
+		case ISIC_WHAT_HSCXB:
+			hscx_write_fifo(1, buf, size, sc);
+			break;
+	}
+}
+
+static void
+hscx_write_fifo(int chan, const void *buf, size_t len, struct isic_softc *sc)
+{
+	u_int32_t *ip;
+	size_t cnt;
+	isic_Bchan_t *Bchan = &sc->sc_chan[chan];
+
+	sc->avma1pp_cmd &= ~HSCX_CMD_XME;
+	sc->avma1pp_txl = 0;
+	if (len != sc->sc_bfifolen)
+	{
+	  if (Bchan->bprot != BPROT_NONE)
+		 sc->avma1pp_cmd |= HSCX_CMD_XME;
+	  sc->avma1pp_txl = len;
+	}
+	
+	cnt = 0; /* borrow cnt */
+	AVMA1PPSETCMDLONG(cnt);
+	hscx_write_reg(chan, HSCX_STAT, cnt, sc);
+
+	ip = (u_int32_t *)buf;
+	cnt = 0;
+	while (cnt < len)
+	{
+		bus_space_write_4(sc->sc_maps[0].t, sc->sc_maps[0].h, ISAC_REG_OFFSET, *ip);
+		ip++;
+		cnt += 4;
+	}
+}
+#endif
+
 /*---------------------------------------------------------------------------*
  *	AVM write register routines
  *---------------------------------------------------------------------------*/
+#ifdef __FreeBSD__
 static void
 avma1pp_write_reg(u_char *base, u_int offset, u_int v)
 {
@@ -357,9 +518,49 @@ hscx_write_reg(int chan, u_int off, u_int val, struct isic_softc *sc)
 	outl(sc->sc_port + ISAC_REG_OFFSET + off, val);
 }
 
+#else
+
+static void
+avma1pp_write_reg(struct isic_softc *sc, int what, bus_size_t offs, u_int8_t data)
+{
+	u_char reg_bank;
+	switch (what) {
+		case ISIC_WHAT_ISAC:
+			reg_bank = (offs > MAX_LO_REG_OFFSET) ? ISAC_HI_REG_OFFSET:ISAC_LO_REG_OFFSET;
+#ifdef AVMA1PCI_DEBUG
+			printf("write_reg bank %d  off %ld.. ", (int)reg_bank, (long)offs);
+#endif
+			/* set the register bank */
+			bus_space_write_1(sc->sc_maps[0].t, sc->sc_maps[0].h, ADDR_REG_OFFSET, reg_bank);
+			bus_space_write_1(sc->sc_maps[0].t, sc->sc_maps[0].h, ISAC_REG_OFFSET + (offs & ISAC_REGSET_MASK), data);
+			break;
+		case ISIC_WHAT_HSCXA:
+			hscx_write_reg(0, offs, data, sc);
+			break;
+		case ISIC_WHAT_HSCXB:
+			hscx_write_reg(1, offs, data, sc);
+			break;
+	}
+}
+
+static void
+hscx_write_reg(int chan, u_int off, u_int val, struct isic_softc *sc)
+{
+	/* HACK */
+	if (off == H_MASK)
+		return;
+	/* point at the correct channel */
+	bus_space_write_4(sc->sc_maps[0].t, sc->sc_maps[0].h, ADDR_REG_OFFSET, chan);
+	bus_space_write_4(sc->sc_maps[0].t, sc->sc_maps[0].h, ISAC_REG_OFFSET + off, val);
+}
+
+#endif
+
 /*---------------------------------------------------------------------------*
  *	AVM read register routines
  *---------------------------------------------------------------------------*/
+#ifdef __FreeBSD__
+
 static u_char
 avma1pp_read_reg(u_char *base, u_int offset)
 {
@@ -385,6 +586,29 @@ avma1pp_read_reg(u_char *base, u_int offset)
 	return(inb(sc->sc_port + ISAC_REG_OFFSET +
 		(offset & ISAC_REGSET_MASK)));
 }
+#else
+static u_int8_t
+avma1pp_read_reg(struct isic_softc *sc, int what, bus_size_t offs)
+{
+	u_char reg_bank;
+	switch (what) {
+		case ISIC_WHAT_ISAC:
+			reg_bank = (offs > MAX_LO_REG_OFFSET) ? ISAC_HI_REG_OFFSET:ISAC_LO_REG_OFFSET;
+#ifdef AVMA1PCI_DEBUG
+			printf("read_reg bank %d  off %ld.. ", (int)reg_bank, (long)offs);
+#endif
+			/* set the register bank */
+			bus_space_write_1(sc->sc_maps[0].t, sc->sc_maps[0].h, ADDR_REG_OFFSET, reg_bank);
+			return(bus_space_read_1(sc->sc_maps[0].t, sc->sc_maps[0].h, ISAC_REG_OFFSET +
+				(offs & ISAC_REGSET_MASK)));
+		case ISIC_WHAT_HSCXA:
+			return hscx_read_reg(0, offs, sc);
+		case ISIC_WHAT_HSCXB:
+			return hscx_read_reg(1, offs, sc);
+	}
+	return 0;
+}
+#endif
 
 static u_char
 hscx_read_reg(int chan, u_int off, struct isic_softc *sc)
@@ -393,7 +617,7 @@ hscx_read_reg(int chan, u_int off, struct isic_softc *sc)
 }
 
 /*
- * need to be able to reeturn an int because the RBCH is in the 2nd
+ * need to be able to return an int because the RBCH is in the 2nd
  * byte.
  */
 static u_int
@@ -403,13 +627,19 @@ hscx_read_reg_int(int chan, u_int off, struct isic_softc *sc)
 	if (off == H_ISTA)
 		return(0);
 	/* point at the correct channel */
+#ifdef __FreeBSD__
 	outl(sc->sc_port + ADDR_REG_OFFSET, chan);
 	return(inl(sc->sc_port + ISAC_REG_OFFSET + off));
+#else
+	bus_space_write_4(sc->sc_maps[0].t, sc->sc_maps[0].h, ADDR_REG_OFFSET, chan);
+	return(bus_space_read_4(sc->sc_maps[0].t, sc->sc_maps[0].h, ISAC_REG_OFFSET + off));
+#endif
 }
 
 /*---------------------------------------------------------------------------*
  *	isic_attach_avma1pp - attach Fritz!Card PCI
  *---------------------------------------------------------------------------*/
+#ifdef __FreeBSD__
 int
 isic_attach_avma1pp(int unit, u_int iobase1, u_int iobase2)
 {
@@ -468,7 +698,6 @@ isic_attach_avma1pp(int unit, u_int iobase1, u_int iobase2)
 
 	/* reset the card */
 	/* the Linux driver does this to clear any pending ISAC interrupts */
-	/* see if it helps any - XXXX */
 	v = 0;
 	v = ISAC_READ(I_STAR);
 #ifdef AVMA1PCI_DEBUG
@@ -523,7 +752,6 @@ isic_attach_avma1pp(int unit, u_int iobase1, u_int iobase2)
 
    /* from here to the end would normally be done in isic_pciattach */
 
-	/* sc->sc_isac_version = ((ISAC_READ(I_RBCH)) >> 5) & 0x03; */
 	 printf("isic%d: ISAC %s (IOM-%c)\n", unit,
   		"2085 Version A1/A2 or 2086/2186 Version 1.1",
 		 sc->sc_bustyp == BUS_TYPE_IOM1 ? '1' : '2');
@@ -536,10 +764,6 @@ isic_attach_avma1pp(int unit, u_int iobase1, u_int iobase2)
 	
 	avma1pp_bchannel_setup(sc->sc_unit, HSCX_CH_B, BPROT_NONE, 0);
 
-	/* XXXX - try it here too */
-	/* outb(sc->sc_port + STAT1_OFFSET, ASL1_ENABLE_IOM|sc->sc_irq);
-	DELAY(SEC_DELAY/100); */ /* 10 ms */
-
 	/* can't use the normal B-Channel stuff */
 	avma1pp_init_linktab(sc);
 
@@ -573,6 +797,150 @@ isic_attach_avma1pp(int unit, u_int iobase1, u_int iobase2)
 	return(1);
 }
 
+#else
+
+void
+isic_attach_fritzPci(struct pci_isic_softc *psc, struct pci_attach_args *pa)
+{
+	struct isic_softc *sc = &psc->sc_isic;
+	u_int v;
+
+	isic_sc[sc->sc_unit] = sc;	/* XXX - hack! */
+
+	/* setup io mappings */
+	sc->sc_num_mappings = 1;
+	MALLOC_MAPS(sc);
+	sc->sc_maps[0].size = 0;
+	if (pci_mapreg_map(pa, FRITZPCI_PORT0_MAPOFF, PCI_MAPREG_TYPE_IO, 0,
+	    &sc->sc_maps[0].t, &sc->sc_maps[0].h, NULL, NULL)) {
+		printf("%s: can't map i/o space\n", sc->sc_dev.dv_xname);
+		return;
+	}
+
+	/* setup access routines */
+
+	sc->clearirq = NULL;
+	sc->readreg = avma1pp_read_reg;
+	sc->writereg = avma1pp_write_reg;
+
+	sc->readfifo = avma1pp_read_fifo;
+	sc->writefifo = avma1pp_write_fifo;
+
+
+	/* setup card type */
+	
+	sc->sc_cardtyp = CARD_TYPEP_AVMA1PCI;
+
+	/* setup IOM bus type */
+	
+	sc->sc_bustyp = BUS_TYPE_IOM2;
+
+	/* this is no IPAC based card */
+	sc->sc_ipac = 0;
+	sc->sc_bfifolen = HSCX_FIFO_LEN;
+	
+	/* init the card */
+	/* the Linux driver does this to clear any pending ISAC interrupts */
+	/* see if it helps any - XXXX */
+	v = 0;
+	v = ISAC_READ(I_STAR);
+#ifdef AVMA1PCI_DEBUG
+	printf("avma1pp_attach: I_STAR %x...", v);
+#endif
+	v = ISAC_READ(I_MODE);
+#ifdef AVMA1PCI_DEBUG
+	printf("avma1pp_attach: I_MODE %x...", v);
+#endif
+	v = ISAC_READ(I_ADF2);
+#ifdef AVMA1PCI_DEBUG
+	printf("avma1pp_attach: I_ADF2 %x...", v);
+#endif
+	v = ISAC_READ(I_ISTA);
+#ifdef AVMA1PCI_DEBUG
+	printf("avma1pp_attach: I_ISTA %x...", v);
+#endif
+	if (v & ISAC_ISTA_EXI)
+	{
+		 v = ISAC_READ(I_EXIR);
+#ifdef AVMA1PCI_DEBUG
+		 printf("avma1pp_attach: I_EXIR %x...", v);
+#endif
+	}
+	v = ISAC_READ(I_CIRR);
+#ifdef AVMA1PCI_DEBUG
+	printf("avma1pp_attach: I_CIRR %x...", v);
+#endif
+	ISAC_WRITE(I_MASK, 0xff);
+	/* the Linux driver does this to clear any pending HSCX interrupts */
+	v = hscx_read_reg_int(0, HSCX_STAT, sc);
+#ifdef AVMA1PCI_DEBUG
+	printf("avma1pp_attach: 0 HSCX_STAT %x...", v);
+#endif
+	v = hscx_read_reg_int(1, HSCX_STAT, sc);
+#ifdef AVMA1PCI_DEBUG
+	printf("avma1pp_attach: 1 HSCX_STAT %x\n", v);
+#endif
+
+	bus_space_write_1(sc->sc_maps[0].t, sc->sc_maps[0].h, STAT0_OFFSET, ASL_RESET_ALL|ASL_TIMERDISABLE);
+	DELAY(SEC_DELAY/100); /* 10 ms */
+	bus_space_write_1(sc->sc_maps[0].t, sc->sc_maps[0].h, STAT0_OFFSET, ASL_TIMERRESET|ASL_ENABLE_INT|ASL_TIMERDISABLE);
+	DELAY(SEC_DELAY/100); /* 10 ms */
+#ifdef AVMA1PCI_DEBUG
+	bus_space_write_1(sc->sc_maps[0].t, sc->sc_maps[0].h, STAT1_OFFSET, ASL1_ENABLE_IOM|sc->sc_irq);
+	DELAY(SEC_DELAY/100); /* 10 ms */
+	v = bus_space_read_1(sc->sc_maps[0].t, sc->sc_maps[0].h, STAT1_OFFSET);
+	printf("after reset: S1 %#x\n", v);
+
+	v = bus_space_read_4(sc->sc_maps[0].t, sc->sc_maps[0].h, 0);
+	printf("isic_attach_avma1pp: v %#x\n", v);
+#endif
+
+	/* setup i4b infrastructure (have to roll our own here) */
+
+	/* sc->sc_isac_version = ((ISAC_READ(I_RBCH)) >> 5) & 0x03; */
+	 printf("%s: ISAC %s (IOM-%c)\n", sc->sc_dev.dv_xname,
+  		"2085 Version A1/A2 or 2086/2186 Version 1.1",
+		 sc->sc_bustyp == BUS_TYPE_IOM1 ? '1' : '2');
+
+	/* init the ISAC */
+	isic_isac_init(sc);
+
+	/* init the "HSCX" */
+	avma1pp_bchannel_setup(sc->sc_unit, HSCX_CH_A, BPROT_NONE, 0);
+	
+	avma1pp_bchannel_setup(sc->sc_unit, HSCX_CH_B, BPROT_NONE, 0);
+
+	/* can't use the normal B-Channel stuff */
+	avma1pp_init_linktab(sc);
+
+	/* set trace level */
+
+	sc->sc_trace = TRACE_OFF;
+
+	sc->sc_state = ISAC_IDLE;
+
+	sc->sc_ibuf = NULL;
+	sc->sc_ib = NULL;
+	sc->sc_ilen = 0;
+
+	sc->sc_obuf = NULL;
+	sc->sc_op = NULL;
+	sc->sc_ol = 0;
+	sc->sc_freeflag = 0;
+
+	sc->sc_obuf2 = NULL;
+	sc->sc_freeflag2 = 0;
+
+	/* init higher protocol layers */
+	
+	MPH_Status_Ind(sc->sc_unit, STI_ATTACH, sc->sc_cardtyp);
+
+	/* setup interrupt mapping */
+	avma1pp_map_int(psc, pa);
+}
+
+#endif
+
 /*
  * this is the real interrupt routine
  */
@@ -606,8 +974,7 @@ avma1pp_hscx_intr(int h_chan, u_int stat, struct isic_softc *sc)
 	}
 
 	/*
-	 * The following is based on examination of the Linux driver. Who
-	 * knows whether it's entirely correct ?
+	 * The following is based on examination of the Linux driver.
 	 *
 	 * The logic here is different than with a "real" HSCX; all kinds
 	 * of information (interrupt/status bits) are in stat.
@@ -658,10 +1025,10 @@ avma1pp_hscx_intr(int h_chan, u_int stat, struct isic_softc *sc)
 
 			if((chan->in_len + fifo_data_len) <= BCH_MAX_DATALEN)
 			{
-			   /* OK to copy the data */
+			   	/* OK to copy the data */
 				bcopy(scrbuf, chan->in_cbptr, fifo_data_len);
 				chan->in_cbptr += fifo_data_len;
-		      chan->in_len += fifo_data_len;
+				chan->in_len += fifo_data_len;
 
 				/* setup mbuf data length */
 					
@@ -762,7 +1129,7 @@ avma1pp_hscx_intr(int h_chan, u_int stat, struct isic_softc *sc)
 		} /* if(error == 0) */
 		else
 		{
-		  /* land here for RDO */
+		  	/* land here for RDO */
 			if (chan->in_mbuf != NULL)
 			{
 				i4b_Bfreembuf(chan->in_mbuf);
@@ -789,9 +1156,6 @@ avma1pp_hscx_intr(int h_chan, u_int stat, struct isic_softc *sc)
 		 * for a description what is going on here, please have
 		 * a look at isic_bchannel_start() in i4b_bchan.c !
 		 */
-		 
-	  /* int len;
-		  int nextlen; */
 
 		DBGL1(L1_H_IRQ, "avma1pp_hscx_intr", ("unit %d, chan %d - XPR, Tx Fifo Empty!\n", sc->sc_unit, h_chan));
 
@@ -834,7 +1198,7 @@ avma1pp_hscx_intr(int h_chan, u_int stat, struct isic_softc *sc)
 			}
 		}
 			
-		avma1pp_fifo(chan, sc);
+		isic_hscx_fifo(chan, sc);
 	}
 
 	/* call timeout handling routine */
@@ -864,19 +1228,43 @@ avma1pp_hscx_int_handler(struct isic_softc *sc)
 static void
 avma1pp_disable(struct isic_softc *sc)
 {
+#ifdef __FreeBSD__
 	outb(sc->sc_port + STAT0_OFFSET, ASL_RESET_ALL|ASL_TIMERDISABLE);
+#else
+	bus_space_write_1(sc->sc_maps[0].t, sc->sc_maps[0].h, STAT0_OFFSET, ASL_RESET_ALL|ASL_TIMERDISABLE);
+#endif
 }
 
+#ifdef __FreeBSD__
 static void
 avma1pp_intr(struct isic_softc *sc)
 {
+#define OURS	/* no return value accumulated */
+#define	ISICINTR(sc)	isicintr_sc(sc)
+#else
+static int
+avma1pp_intr(void * parm)
+{
+	struct isic_softc *sc = parm;
+	int ret = 0;
+#define OURS	ret = 1
+#define	ISICINTR(sc)	isicintr(sc)
+#endif
 	u_char stat;
 
+#ifdef __FreeBSD__
 	stat = inb(sc->sc_port + STAT0_OFFSET);
+#else
+	stat = bus_space_read_1(sc->sc_maps[0].t, sc->sc_maps[0].h, STAT0_OFFSET);
+#endif
 	DBGL1(L1_H_IRQ, "avma1pp_intr", ("stat %x\n", stat));
 	/* was there an interrupt from this card ? */
 	if ((stat & ASL_IRQ_Pending) == ASL_IRQ_Pending)
+#ifdef __FreeBSD__
 		return; /* no */
+#else
+		return 0; /* no */
+#endif
 	/* interrupts are low active */
 	if (!(stat & ASL_IRQ_TIMER))
 	  DBGL1(L1_H_IRQ, "avma1pp_intr", ("timer interrupt ???\n"));
@@ -884,21 +1272,42 @@ avma1pp_intr(struct isic_softc *sc)
 	{
 	  DBGL1(L1_H_IRQ, "avma1pp_intr", ("HSCX\n"));
 		avma1pp_hscx_int_handler(sc);
+		OURS;
 	}
 	if (!(stat & ASL_IRQ_ISAC))
 	{
 	  DBGL1(L1_H_IRQ, "avma1pp_intr", ("ISAC\n"));
-		isicintr_sc(sc);
+		ISICINTR(sc);
+		OURS;
 	}
+#ifndef __FreeBSD__
+	return ret;
+#endif
 }
 
+#ifdef __FreeBSD__
 void
 avma1pp_map_int(pcici_t config_id, void *pisc, unsigned *net_imask)
 {
 	struct isic_softc *sc = (struct isic_softc *)pisc;
 
+#ifdef AVMA1PCI_DEBUG
 	/* may need the irq later */
+#if __FreeBSD__ < 3
+	/* I'd like to call getirq here, but it is static */
+	sc->sc_irq = PCI_INTERRUPT_LINE_EXTRACT(
+			pci_conf_read (config_id, PCI_INTERRUPT_REG));
+	
+	if (sc->sc_irq == 0 || sc->sc_irq == 0xff)
+		printf ("avma1pp_map_int:int line register not set by bios\n");
+	
+	if (sc->sc_irq >= PCI_MAX_IRQ)
+		printf ("avma1pp_map_int:irq %d out of bounds (must be < %d)\n",
+				sc->sc_irq, PCI_MAX_IRQ);
+#else
 	sc->sc_irq = config_id->intline;
+#endif
+#endif /* AVMA1PCI_DEBUG */
 
 	if(!(pci_map_int(config_id, (void *)avma1pp_intr, sc, net_imask)))
 	{
@@ -907,6 +1316,36 @@ avma1pp_map_int(pcici_t config_id, void *pisc, unsigned *net_imask)
 		avma1pp_disable(sc);
 	}
 }
+#else
+static void
+avma1pp_map_int(struct pci_isic_softc *psc, struct pci_attach_args *pa)
+{
+	struct isic_softc *sc = &psc->sc_isic;
+	pci_chipset_tag_t pc = pa->pa_pc;
+	pci_intr_handle_t ih;
+	const char *intrstr;
+
+	/* Map and establish the interrupt. */
+	if (pci_intr_map(pc, pa->pa_intrtag, pa->pa_intrpin,
+	    pa->pa_intrline, &ih)) {
+		printf("%s: couldn't map interrupt\n", sc->sc_dev.dv_xname);
+		avma1pp_disable(sc);
+		return;
+	}
+	intrstr = pci_intr_string(pc, ih);
+	psc->sc_ih = pci_intr_establish(pc, ih, IPL_NET, avma1pp_intr, sc);
+	if (psc->sc_ih == NULL) {
+		printf("%s: couldn't establish interrupt",
+		    sc->sc_dev.dv_xname);
+		if (intrstr != NULL)
+			printf(" at %s", intrstr);
+		printf("\n");
+		avma1pp_disable(sc);
+		return;
+	}
+	printf("%s: interrupting at %s\n", sc->sc_dev.dv_xname, intrstr);
+}
+#endif
 
 static void
 avma1pp_hscx_init(struct isic_softc *sc, int h_chan, int activate)
@@ -986,7 +1425,7 @@ avma1pp_bchannel_setup(int unit, int h_chan, int bprot, int activate)
 	/* general part */
 
 	chan->unit = sc->sc_unit;	/* unit number */
-	chan->channel = h_chan;	/* B channel */
+	chan->channel = h_chan;		/* B channel */
 	chan->bprot = bprot;		/* B channel protocol */
 	chan->state = HSCX_IDLE;	/* B channel state */
 
@@ -1037,19 +1476,9 @@ avma1pp_bchannel_start(int unit, int h_chan)
 #else
 	struct isic_softc *sc = isic_find_sc(unit);
 #endif
-
 	register isic_Bchan_t *chan = &sc->sc_chan[h_chan];
-
 	int s;
 	int activity = -1;
-#if 0 /* moved to avma1pp_fifo */
-	/* the "HSCX" probably only allows writing all bytes at once */
-	/* so we need a scratch buffer to collect the bytes */
-	u_char scrbuf[HSCX_FIFO_LEN];
-	int i;
-	register int next_len;
-	register int len;
-#endif
 
 	s = SPLI4B();				/* enter critical section */
 	if(chan->state & HSCX_TX_ACTIVE)	/* already running ? */
@@ -1099,7 +1528,7 @@ avma1pp_bchannel_start(int unit, int h_chan)
 		MPH_Trace_Ind(&hdr, chan->out_mbuf_cur->m_len, chan->out_mbuf_cur->m_data);
 	}			
 
-	avma1pp_fifo(chan, sc);
+	isic_hscx_fifo(chan, sc);
 
 	/* call timeout handling routine */
 	
@@ -1215,21 +1644,31 @@ avma1pp_bchannel_stat(int unit, int h_chan, bchan_statistics_t *bsp)
 	splx(s);
 }
 
-/*
- * moved here from avma1pp_bchan_start and avma1pp_hscx_intr
- */
-static void
-avma1pp_fifo(isic_Bchan_t *chan, struct isic_softc *sc)
+/*---------------------------------------------------------------------------*
+ *	fill HSCX fifo with data from the current mbuf
+ *	Put this here until it can go into i4b_hscx.c
+ *---------------------------------------------------------------------------*/
+int
+isic_hscx_fifo(isic_Bchan_t *chan, struct isic_softc *sc)
 {
 	int len;
 	int nextlen;
 	int i;
-	/* the "HSCX" probably only allows writing all bytes at once */
-	/* so we need a scratch buffer to collect the bytes */
+	int cmd;
+	/* using a scratch buffer simplifies writing to the FIFO */
 	u_char scrbuf[HSCX_FIFO_LEN];
 
 	len = 0;
 
+	/*
+	 * fill the HSCX tx fifo with data from the current mbuf. if
+	 * current mbuf holds less data than HSCX fifo length, try to
+	 * get the next mbuf from (a possible) mbuf chain. if there is
+	 * not enough data in a single mbuf or in a chain, then this
+	 * is the last mbuf and we tell the HSCX that it has to send
+	 * CRC and closing flag
+	 */
+	 
 	while(chan->out_mbuf_cur && len != sc->sc_bfifolen)
 	{
 		nextlen = min(chan->out_mbuf_cur_len, sc->sc_bfifolen - len);
@@ -1244,9 +1683,10 @@ avma1pp_fifo(isic_Bchan_t *chan, struct isic_softc *sc)
 			nextlen);
 #endif
 
+		cmd |= HSCX_CMDR_XTF;
 		/* collect the data in the scratch buffer */
 		for (i = 0; i < nextlen; i++)
-		  scrbuf[i + len] = chan->out_mbuf_cur_ptr[i];
+			scrbuf[i + len] = chan->out_mbuf_cur_ptr[i];
 
 		len += nextlen;
 		chan->txcount += nextlen;
@@ -1274,15 +1714,17 @@ avma1pp_fifo(isic_Bchan_t *chan, struct isic_softc *sc)
 			}
 			else
 			{
+				if (chan->bprot != BPROT_NONE)
+					cmd |= HSCX_CMDR_XME;
 				i4b_Bfreembuf(chan->out_mbuf_head);
 				chan->out_mbuf_head = NULL;
 			}
 		}
 	}
-	/* write what we have from the scratch buf to the "HSCX" fifo */
-
-	/* HSCX_WRFIFO also sets the XME */
-	HSCX_WRFIFO(chan->channel, scrbuf, len);
+	/* write what we have from the scratch buf to the HSCX fifo */
+	if (len != 0)
+		HSCX_WRFIFO(chan->channel, scrbuf, len);
+	return(cmd);
 }
 
 #endif /* NISIC > 0 && defined(AVM_A1_PCI) */
diff --git a/sys/i4b/layer1/i4b_avm_fritz_pcmcia.c b/sys/i4b/layer1/i4b_avm_fritz_pcmcia.c
index 03029a0..a6f0ad8 100644
--- a/sys/i4b/layer1/i4b_avm_fritz_pcmcia.c
+++ b/sys/i4b/layer1/i4b_avm_fritz_pcmcia.c
@@ -33,9 +33,9 @@
  *	Fritz!Card pcmcia specific routines for isic driver
  *	---------------------------------------------------
  *
- *	$Id: i4b_avm_fritz_pcmcia.c,v 1.2 1999/03/07 16:08:15 hm Exp $ 
+ *	$Id: i4b_avm_fritz_pcmcia.c,v 1.12 1999/05/03 08:48:25 hm Exp $ 
  *
- *      last edit-date: [Tue Mar 16 10:49:53 1999]
+ *      last edit-date: [Sun May  2 12:01:16 1999]
  *
  *	-ap	added support for AVM PCMCIA Fritz!Card
  *	-mh	split into separate file
@@ -80,7 +80,6 @@
 #include <i4b/i4b_ioctl.h>
 #include <dev/pcmcia/pcmciareg.h>
 #include <dev/pcmcia/pcmciavar.h>
-#include <i4b/layer1/pcmcia_isic.h>
 #endif
 
 #include <i4b/layer1/i4b_l1.h>
@@ -88,6 +87,8 @@
 #include <i4b/layer1/i4b_hscx.h>
 
 #ifndef __FreeBSD__
+#include <i4b/layer1/pcmcia_isic.h>
+
 /* PCMCIA support routines */
 static u_int8_t avma1_pcmcia_read_reg __P((struct isic_softc *sc, int what, bus_size_t offs));
 static void avma1_pcmcia_write_reg __P((struct isic_softc *sc, int what, bus_size_t offs, u_int8_t data));
@@ -390,7 +391,7 @@ isic_probe_avma1_pcmcia(struct isa_device *dev)
  *---------------------------------------------------------------------------*/
 #ifdef __FreeBSD__
 int
-isic_attach_fritz(struct isa_device *dev)
+isic_attach_fritzpcmcia(struct isa_device *dev)
 {
 	/* ResetController again just to make sure... */
 
diff --git a/sys/i4b/layer1/i4b_bchan.c b/sys/i4b/layer1/i4b_bchan.c
index e047c93..bd9dfd0 100644
--- a/sys/i4b/layer1/i4b_bchan.c
+++ b/sys/i4b/layer1/i4b_bchan.c
@@ -27,7 +27,7 @@
  *	i4b_bchan.c - B channel handling L1 procedures
  *	----------------------------------------------
  *
- *	$Id: i4b_bchan.c,v 1.30 1999/02/14 19:51:01 hm Exp $
+ *	$Id: i4b_bchan.c,v 1.32 1999/03/17 10:41:08 hm Exp $
  *
  *      last edit-date: [Sun Feb 14 10:25:27 1999]
  *
diff --git a/sys/i4b/layer1/i4b_bsdi_ibc.c b/sys/i4b/layer1/i4b_bsdi_ibc.c
new file mode 100644
index 0000000..9168815
--- /dev/null
+++ b/sys/i4b/layer1/i4b_bsdi_ibc.c
@@ -0,0 +1,559 @@
+/*
+ *   Copyright (c) 1998, 1999 Bert Driehuis. 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.
+ *
+ *   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.
+ *
+ *---------------------------------------------------------------------------
+ *
+ *	i4b_bsdi_ibc.c - isdn4bsd kernel BSD/OS point to point driver
+ *	-------------------------------------------------------------
+ *
+ *	$Id: i4b_bsdi_ibc.c,v 1.1 1999/04/23 08:35:07 hm Exp $
+ *
+ *	last edit-date: [Fri Apr 23 10:27:57 1999]
+ *
+ *---------------------------------------------------------------------------*/
+
+#include "ibc.h"
+
+#if NIBC > 0
+
+#include <sys/param.h>
+#include <sys/systm.h>
+#include <sys/mbuf.h>
+#include <sys/socket.h>
+#include <sys/errno.h>
+#include <sys/ioccom.h>
+#include <sys/ttycom.h>
+#include <sys/sockio.h>
+#include <sys/kernel.h>
+#include <sys/protosw.h>
+
+#include <net/if.h>
+#include <net/if_types.h>
+#include <net/if_p2p.h>
+#include <net/netisr.h>
+#include <net/route.h>
+
+#include <netinet/in.h>
+#include <netinet/in_systm.h>
+#include <netinet/in_var.h>
+#include <netinet/ip.h>
+
+#include <i4b/i4b_ioctl.h>
+#include <i4b/i4b_cause.h>
+#include <i4b/include/i4b_global.h>
+#include <i4b/include/i4b_mbuf.h>
+#include <i4b/include/i4b_l3l4.h>
+#include <i4b/layer4/i4b_l4.h>
+
+#define IFP2UNIT(ifp)	(ifp)->if_unit
+
+#define IOCTL_CMD_T u_long
+
+void ibcattach(void *);
+
+#define IBCACCT		1	/* enable accounting messages */
+#define	IBCACCTINTVL	2	/* accounting msg interval in secs */
+
+#define PPP_HDRLEN   		4	/* 4 octets PPP header length	*/
+
+struct ibc_softc {
+	struct p2pcom sc_p2pcom;
+
+	int	sc_state;	/* state of the interface	*/
+	call_desc_t *sc_cdp;	/* ptr to call descriptor	*/
+
+#ifdef IBCACCT
+	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
+} ibc_softc[NIBC];
+
+static void	ibc_init_linktab(int unit);
+
+static int	ibc_start(struct ifnet *ifp);
+
+static int	ibc_watchdog(int unit);
+static int	ibc_mdmctl(struct p2pcom *pp, int flag);
+static int	ibc_getmdm(struct p2pcom *pp, caddr_t arg);
+
+/* initialized by L4 */
+
+static drvr_link_t ibc_drvr_linktab[NIBC];
+static isdn_link_t *isdn_ibc_lt[NIBC];
+
+enum ibc_states {
+	ST_IDLE,			/* initialized, ready, idle	*/
+	ST_DIALING,			/* dialling out to remote	*/
+	ST_CONNECTED,			/* connected to remote		*/
+};
+
+int ibcdebug = 0;	/* Use bpatch to set this for debug printf's */
+#define DBG(x)	if (ibcdebug) printf x
+
+/*===========================================================================*
+ *			DEVICE DRIVER ROUTINES
+ *===========================================================================*/
+
+/*---------------------------------------------------------------------------*
+ *	interface attach routine at kernel boot time
+ *---------------------------------------------------------------------------*/
+void
+ibcattach(void *dummy)
+{
+	struct ibc_softc *sc = ibc_softc;
+	struct ifnet *ifp;
+	int i;
+
+#ifndef HACK_NO_PSEUDO_ATTACH_MSG
+	printf("ibc: %d ISDN ibc device(s) attached\n",
+	       NIBC);
+#endif
+
+	for(i = 0; i < NIBC; sc++, i++) {
+		ibc_init_linktab(i);
+
+		sc->sc_p2pcom.p2p_mdmctl = ibc_mdmctl;
+		sc->sc_p2pcom.p2p_getmdm = ibc_getmdm;
+		sc->sc_state = ST_IDLE;
+		ifp = &sc->sc_p2pcom.p2p_if;
+		ifp->if_name = "ibc";
+		ifp->if_next = NULL;
+		ifp->if_unit = i;
+		ifp->if_mtu = 1500 /*XXX*/;
+		ifp->if_baudrate = 64000;
+		ifp->if_flags = IFF_SIMPLEX | IFF_POINTOPOINT;
+		ifp->if_type = IFT_ISDNBASIC;
+		ifp->if_start = ibc_start;
+		ifp->if_output = 0;
+		ifp->if_ioctl = p2p_ioctl;
+
+		ifp->if_hdrlen = 0;
+		ifp->if_addrlen = 0;
+		ifp->if_snd.ifq_maxlen = IFQ_MAXLEN;
+
+		ifp->if_ipackets = 0;
+		ifp->if_ierrors = 0;
+		ifp->if_opackets = 0;
+		ifp->if_oerrors = 0;
+		ifp->if_collisions = 0;
+		ifp->if_ibytes = 0;
+		ifp->if_obytes = 0;
+		ifp->if_imcasts = 0;
+		ifp->if_omcasts = 0;
+		ifp->if_iqdrops = 0;
+		ifp->if_noproto = 0;
+#if IBCACCT
+		ifp->if_timer = 0;
+		ifp->if_watchdog = ibc_watchdog;
+		sc->sc_iinb = 0;
+		sc->sc_ioutb = 0;
+		sc->sc_inb = 0;
+		sc->sc_outb = 0;
+		sc->sc_linb = 0;
+		sc->sc_loutb = 0;
+		sc->sc_fn = 1;
+#endif
+		if_attach(ifp);
+		p2p_attach(&sc->sc_p2pcom);
+	}
+}
+
+static struct mbuf *
+p2p_dequeue(struct p2pcom *pp)
+{
+	struct ifqueue *ifq;
+	struct mbuf *m;
+
+	ifq = &pp->p2p_isnd;
+	m = ifq->ifq_head;
+	if (m == 0) {
+		ifq = &pp->p2p_if.if_snd;
+		m = ifq->ifq_head;
+	}
+	if (m == 0)
+		return 0;
+	IF_DEQUEUE(ifq, m);
+	return m;
+}
+
+/*---------------------------------------------------------------------------*
+ *	start output to ISDN B-channel
+ *---------------------------------------------------------------------------*/
+static int
+ibc_start(struct ifnet *ifp)
+{
+	int unit = IFP2UNIT(ifp);
+	struct ibc_softc *sc = (struct ibc_softc *)&ibc_softc[unit];
+	struct p2pcom *pp = &sc->sc_p2pcom;
+	struct mbuf *m;
+	int s;
+
+	if(sc->sc_state != ST_CONNECTED) {
+		DBG(("ibc%d: ibc_start called with sc_state=%d\n",
+			unit, sc->sc_state));
+		return 0;
+	}
+
+	s = SPLI4B();
+
+	if (IF_QFULL(isdn_ibc_lt[unit]->tx_queue)) {
+		splx(s);
+		return 0;
+	}
+
+	m = p2p_dequeue(pp);
+	if (m == NULL) {
+		splx(s);
+		return 0;
+	}
+
+	do {
+		microtime(&ifp->if_lastchange);
+
+		IF_ENQUEUE(isdn_ibc_lt[unit]->tx_queue, m);
+
+		ifp->if_obytes += m->m_pkthdr.len;
+		sc->sc_outb += m->m_pkthdr.len;
+		ifp->if_opackets++;
+	} while (!IF_QFULL(isdn_ibc_lt[unit]->tx_queue) &&
+					(m = p2p_dequeue(pp)) != NULL);
+	isdn_ibc_lt[unit]->bch_tx_start(isdn_ibc_lt[unit]->unit,
+					 isdn_ibc_lt[unit]->channel);
+	splx(s);
+	return 0;
+}
+
+#ifdef IBCACCT
+/*---------------------------------------------------------------------------*
+ *	watchdog routine
+ *---------------------------------------------------------------------------*/
+static int
+ibc_watchdog(int unit)
+{
+	struct ibc_softc *sc = &ibc_softc[unit];
+	struct ifnet *ifp = &sc->sc_p2pcom.p2p_if;
+	bchan_statistics_t bs;
+
+	(*isdn_ibc_lt[unit]->bch_stat)
+		(isdn_ibc_lt[unit]->unit, isdn_ibc_lt[unit]->channel, &bs);
+
+	sc->sc_ioutb += bs.outbytes;
+	sc->sc_iinb += bs.inbytes;
+
+	if((sc->sc_iinb != sc->sc_linb) || (sc->sc_ioutb != sc->sc_loutb) || sc->sc_fn)
+	{
+		int ri = (sc->sc_iinb - sc->sc_linb)/IBCACCTINTVL;
+		int ro = (sc->sc_ioutb - sc->sc_loutb)/IBCACCTINTVL;
+
+		if((sc->sc_iinb == sc->sc_linb) && (sc->sc_ioutb == sc->sc_loutb))
+			sc->sc_fn = 0;
+		else
+			sc->sc_fn = 1;
+
+		sc->sc_linb = sc->sc_iinb;
+		sc->sc_loutb = sc->sc_ioutb;
+
+		i4b_l4_accounting(BDRV_IBC, unit, ACCT_DURING,
+			 sc->sc_ioutb, sc->sc_iinb, ro, ri, sc->sc_outb, sc->sc_inb);
+ 	}
+	ifp->if_timer = IBCACCTINTVL;
+	return 0;
+}
+#endif /* IBCACCT */
+
+/*
+ *===========================================================================*
+ *			P2P layer interface routines
+ *===========================================================================*
+ */
+
+#if 0
+/*---------------------------------------------------------------------------*
+ *	PPP interface phase change
+ *---------------------------------------------------------------------------*
+ */
+static void
+ibc_state_changed(struct sppp *sp, int new_state)
+{
+	struct ibc_softc *sc = (struct ibc_softc *)sp;
+
+	i4b_l4_ifstate_changed(sc->sc_cdp, new_state);
+}
+
+/*---------------------------------------------------------------------------*
+ *	PPP control protocol negotiation complete (run ip-up script now)
+ *---------------------------------------------------------------------------*
+ */
+static void
+ibc_negotiation_complete(struct sppp *sp)
+{
+	struct ibc_softc *sc = (struct ibc_softc *)sp;
+
+	i4b_l4_negcomplete(sc->sc_cdp);
+}
+#endif
+
+/*===========================================================================*
+ *			ISDN INTERFACE ROUTINES
+ *===========================================================================*/
+
+/*---------------------------------------------------------------------------*
+ *	this routine is called from L4 handler at connect time
+ *---------------------------------------------------------------------------*/
+static void
+ibc_connect(int unit, void *cdp)
+{
+	struct ibc_softc *sc = &ibc_softc[unit];
+	struct ifnet *ifp = &sc->sc_p2pcom.p2p_if;
+	int s;
+
+	DBG(("ibc%d: ibc_connect\n", unit));
+
+	s = splimp();
+
+	sc->sc_cdp = (call_desc_t *)cdp;
+	sc->sc_state = ST_CONNECTED;
+
+#if IBCACCT
+	sc->sc_iinb = 0;
+	sc->sc_ioutb = 0;
+	sc->sc_inb = 0;
+	sc->sc_outb = 0;
+	sc->sc_linb = 0;
+	sc->sc_loutb = 0;
+	ifp->if_timer = IBCACCTINTVL;
+#endif
+
+	splx(s);
+	if (sc->sc_p2pcom.p2p_modem)
+		(*sc->sc_p2pcom.p2p_modem)(&sc->sc_p2pcom, 1);
+
+		/* This is a lie... PPP is just starting to negociate :-) */
+	i4b_l4_negcomplete(sc->sc_cdp);
+}
+
+/*---------------------------------------------------------------------------*
+ *	this routine is called from L4 handler at disconnect time
+ *---------------------------------------------------------------------------*/
+static void
+ibc_disconnect(int unit, void *cdp)
+{
+	call_desc_t *cd = (call_desc_t *)cdp;
+	struct ibc_softc *sc = &ibc_softc[unit];
+	struct ifnet *ifp = &sc->sc_p2pcom.p2p_if;
+	int s;
+
+	DBG(("ibc%d: ibc_disconnect\n", unit));
+
+	s = splimp();
+
+	/* new stuff to check that the active channel is being closed */
+	if (cd != sc->sc_cdp)
+	{
+		DBG(("ibc_disconnect: ibc%d channel%d not active\n",
+			cd->driver_unit, cd->channelid));
+		splx(s);
+		return;
+	}
+
+#if IBCACCT
+	ifp->if_timer = 0;
+#endif
+
+	i4b_l4_accounting(BDRV_IBC, unit, ACCT_FINAL,
+		 sc->sc_ioutb, sc->sc_iinb, 0, 0, sc->sc_outb, sc->sc_inb);
+
+	if (sc->sc_state == ST_CONNECTED)
+	{
+		sc->sc_cdp = (call_desc_t *)0;
+		sc->sc_state = ST_IDLE;
+		if (sc->sc_p2pcom.p2p_modem)
+			(*sc->sc_p2pcom.p2p_modem)(&sc->sc_p2pcom, 0);
+	}
+
+	splx(s);
+}
+
+/*---------------------------------------------------------------------------*
+ *	this routine is used to give a feedback from userland demon
+ *	in case of dial problems
+ *---------------------------------------------------------------------------*/
+static void
+ibc_dialresponse(int unit, int status)
+{
+	DBG(("ibc%d: ibc_dialresponse %d\n", unit, status));
+/*	struct ibc_softc *sc = &ibc_softc[unit];	*/
+}
+
+/*---------------------------------------------------------------------------*
+ *	interface up/down
+ *---------------------------------------------------------------------------*/
+static void
+ibc_updown(int unit, int updown)
+{
+	DBG(("ibc%d: ibc_updown %d\n", unit, updown));
+	/* could probably do something useful here */
+}
+
+/*---------------------------------------------------------------------------*
+ *	this routine is called from the HSCX interrupt handler
+ *	when a new frame (mbuf) has been received and was put on
+ *	the rx queue.
+ *---------------------------------------------------------------------------*/
+static void
+ibc_rx_data_rdy(int unit)
+{
+	struct ibc_softc *sc = &ibc_softc[unit];
+	struct ifnet *ifp = &sc->sc_p2pcom.p2p_if;
+	struct mbuf *m, *m0;
+	char *buf;
+	int s;
+
+	if((m = *isdn_ibc_lt[unit]->rx_mbuf) == NULL)
+		return;
+
+	microtime(&ifp->if_lastchange);
+	ifp->if_ipackets++;
+
+		/* Walk the mbuf chain */
+	s = splimp();
+	for (m0 = m; m != 0; m = m->m_next) {
+		if (m->m_len == 0)
+			continue;
+		ifp->if_ibytes += m->m_len;
+#if IBCACCT
+		sc->sc_inb += m->m_len;
+#endif
+		buf = mtod(m, caddr_t);
+		if ((*sc->sc_p2pcom.p2p_hdrinput)(
+					&sc->sc_p2pcom, buf, m->m_len) >= 0)
+			(*sc->sc_p2pcom.p2p_input)(&sc->sc_p2pcom, 0);
+	}
+	splx(s);
+	m_freem(m0);
+}
+
+/*---------------------------------------------------------------------------*
+ *	this routine is called from the HSCX interrupt handler
+ *	when the last frame has been sent out and there is no
+ *	further frame (mbuf) in the tx queue.
+ *---------------------------------------------------------------------------*/
+static void
+ibc_tx_queue_empty(int unit)
+{
+	ibc_start(&ibc_softc[unit].sc_p2pcom.p2p_if);
+}
+
+/*---------------------------------------------------------------------------*
+ *	this routine is called from the HSCX interrupt handler
+ *	each time a packet is received or transmitted. It should
+ *	be used to implement an activity timeout mechanism.
+ *---------------------------------------------------------------------------*/
+static void
+ibc_activity(int unit, int rxtx)
+{
+	ibc_softc[unit].sc_cdp->last_active_time = SECOND;
+}
+
+/*---------------------------------------------------------------------------*
+ *	return this drivers linktab address
+ *---------------------------------------------------------------------------*/
+drvr_link_t *
+ibc_ret_linktab(int unit)
+{
+	return(&ibc_drvr_linktab[unit]);
+}
+
+/*---------------------------------------------------------------------------*
+ *	setup the isdn_ibc_lt for this driver
+ *---------------------------------------------------------------------------*/
+void
+ibc_set_linktab(int unit, isdn_link_t *ilt)
+{
+	isdn_ibc_lt[unit] = ilt;
+}
+
+/*---------------------------------------------------------------------------*
+ *	initialize this drivers linktab
+ *---------------------------------------------------------------------------*/
+static void
+ibc_init_linktab(int unit)
+{
+	ibc_drvr_linktab[unit].unit = unit;
+	ibc_drvr_linktab[unit].bch_rx_data_ready = ibc_rx_data_rdy;
+	ibc_drvr_linktab[unit].bch_tx_queue_empty = ibc_tx_queue_empty;
+	ibc_drvr_linktab[unit].bch_activity = ibc_activity;
+	ibc_drvr_linktab[unit].line_connected = ibc_connect;
+	ibc_drvr_linktab[unit].line_disconnected = ibc_disconnect;
+	ibc_drvr_linktab[unit].dial_response = ibc_dialresponse;
+	ibc_drvr_linktab[unit].updown_ind = ibc_updown;
+}
+
+/*===========================================================================*/
+
+static int
+ibc_mdmctl(pp, flag)
+	struct p2pcom *pp;
+	int flag;
+{
+	register struct ifnet *ifp = &pp->p2p_if;
+	struct ibc_softc *sc = (struct ibc_softc *)&ibc_softc[ifp->if_unit];
+
+	DBG(("ibc%d: ibc_mdmctl called flags=%d\n", IFP2UNIT(ifp), flag));
+
+	if (flag == 1 && sc->sc_state == ST_IDLE) {
+		sc->sc_state = ST_DIALING;
+		i4b_l4_dialout(BDRV_IBC, IFP2UNIT(ifp));
+	} else if (flag == 0 && sc->sc_state != ST_IDLE) {
+		sc->sc_state = ST_IDLE;
+		i4b_l4_drvrdisc(BDRV_IBC, IFP2UNIT(ifp));
+	}
+	return 0;
+}
+
+static int
+ibc_getmdm(pp, arg)
+	struct p2pcom *pp;
+	caddr_t arg;
+{
+	register struct ifnet *ifp = &pp->p2p_if;
+	struct ibc_softc *sc = (struct ibc_softc *)&ibc_softc[ifp->if_unit];
+
+	if (sc->sc_state == ST_CONNECTED)
+		*(int *)arg = TIOCM_CAR;
+	else
+		*(int *)arg = 0;
+	return 0;
+
+	DBG(("ibc%d: ibc_getmdm called ret=%d\n", IFP2UNIT(ifp), *(int *)arg));
+}
+#endif
diff --git a/sys/i4b/layer1/i4b_elsa_qs1i.c b/sys/i4b/layer1/i4b_elsa_qs1i.c
index d43a637..573bb86 100644
--- a/sys/i4b/layer1/i4b_elsa_qs1i.c
+++ b/sys/i4b/layer1/i4b_elsa_qs1i.c
@@ -27,9 +27,9 @@
  *	isic - I4B Siemens ISDN Chipset Driver for ELSA Quickstep 1000pro ISA
  *	=====================================================================
  *
- *	$Id: i4b_elsa_qs1i.c,v 1.14 1999/02/14 11:02:04 hm Exp $
+ *	$Id: i4b_elsa_qs1i.c,v 1.15 1999/03/16 14:57:53 hm Exp $
  *
- *      last edit-date: [Sun Feb 14 11:59:45 1999]
+ *      last edit-date: [Tue Mar 16 15:42:10 1999]
  *
  *---------------------------------------------------------------------------*/
 
@@ -46,7 +46,11 @@
 
 #endif
 
-#if (NISIC > 0) && (NPNP > 0) && defined(ELSA_QS1ISA)
+/* 
+ * this driver works for both the ELSA QuickStep 1000 PNP and the ELSA
+ * PCC-16
+ */
+#if (NISIC > 0) && (((NPNP > 0) && defined(ELSA_QS1ISA)) || defined(ELSA_PCC16))
 
 #include <sys/param.h>
 #include <sys/kernel.h>
diff --git a/sys/i4b/layer1/i4b_elsa_qs1p.c b/sys/i4b/layer1/i4b_elsa_qs1p.c
index 43dd343..0cc0a01 100644
--- a/sys/i4b/layer1/i4b_elsa_qs1p.c
+++ b/sys/i4b/layer1/i4b_elsa_qs1p.c
@@ -27,9 +27,9 @@
  *	isic - I4B Siemens ISDN Chipset Driver for ELSA Quickstep 1000pro PCI
  *	=====================================================================
  *
- *	$Id: i4b_elsa_qs1p.c,v 1.5 1999/02/14 09:44:59 hm Exp $
+ *	$Id: i4b_elsa_qs1p.c,v 1.6 1999/03/16 15:21:55 hm Exp $
  *
- *      last edit-date: [Sun Feb 14 10:26:43 1999]
+ *      last edit-date: [Wed Mar 10 07:24:32 1999]
  *
  *---------------------------------------------------------------------------*/
 
@@ -86,8 +86,7 @@
 #include <i4b/layer1/i4b_ipac.h>
 
 #ifndef __FreeBSD__
-/* we don't have the function prototypes in the global i4b_l1.h any more */
-void isic_attach_Eqs1pp __P((struct isic_softc *sc, struct pci_attach_args *pa));
+#include <i4b/layer1/pci_isic.h>
 #endif
 
 /* masks for register encoded in base addr */
@@ -400,10 +399,12 @@ isic_attach_Eqs1pp(int unit, unsigned int iobase1, unsigned int iobase2)
 #else	/* !FreeBSD */
 
 void
-isic_attach_Eqs1pp(sc, pa)
-	struct isic_softc *sc;
+isic_attach_Eqs1pp(psc, pa)
+	struct pci_isic_softc *psc;
 	struct pci_attach_args *pa;
 {
+	struct isic_softc *sc = &psc->sc_isic;
+
 	/* setup io mappings */
 	sc->sc_num_mappings = 2;
 	MALLOC_MAPS(sc);
diff --git a/sys/i4b/layer1/i4b_hscx.c b/sys/i4b/layer1/i4b_hscx.c
index 29c2f40..4ddf779 100644
--- a/sys/i4b/layer1/i4b_hscx.c
+++ b/sys/i4b/layer1/i4b_hscx.c
@@ -27,9 +27,9 @@
  *	i4b - Siemens HSCX chip (B-channel) handling
  *	--------------------------------------------
  *
- *	$Id: i4b_hscx.c,v 1.39 1999/02/14 19:51:01 hm Exp $ 
+ *	$Id: i4b_hscx.c,v 1.42 1999/03/17 13:44:50 hm Exp $ 
  *
- *      last edit-date: [Sun Feb 14 10:26:49 1999]
+ *      last edit-date: [Wed Mar 17 11:59:05 1999]
  *
  *---------------------------------------------------------------------------*/
 
@@ -288,14 +288,23 @@ isic_hscx_irq(register struct isic_softc *sc, u_char ista, int h_chan, u_char ex
 					MPH_Trace_Ind(&hdr, chan->in_mbuf->m_len, chan->in_mbuf->m_data);
 				}
 
-				/* move rx'd data to rx queue */
-
-				IF_ENQUEUE(&chan->rx_queue, chan->in_mbuf);
+				/* silence detection */
 				
-				(*chan->drvr_linktab->bch_rx_data_ready)(chan->drvr_linktab->unit);
-
 				if(!(isic_hscx_silence(chan->in_mbuf->m_data, chan->in_mbuf->m_len)))
 					activity = ACT_RX;
+
+				if(!(IF_QFULL(&chan->rx_queue)))
+				{
+					IF_ENQUEUE(&chan->rx_queue, chan->in_mbuf);
+				}
+				else
+				{
+					i4b_Bfreembuf(chan->in_mbuf);
+				}
+
+				/* signal upper driver that data is available */
+
+				(*chan->drvr_linktab->bch_rx_data_ready)(chan->drvr_linktab->unit);
 				
 				/* alloc new buffer */
 				
diff --git a/sys/i4b/layer1/i4b_isic.c b/sys/i4b/layer1/i4b_isic.c
index 127fae2..f403faf 100644
--- a/sys/i4b/layer1/i4b_isic.c
+++ b/sys/i4b/layer1/i4b_isic.c
@@ -27,7 +27,7 @@
  *	i4b_isic.c - global isic stuff
  *	==============================
  *
- *	$Id: i4b_isic.c,v 1.46 1999/02/14 19:51:02 hm Exp $ 
+ *	$Id: i4b_isic.c,v 1.47 1999/04/20 09:34:14 hm Exp $ 
  *
  *      last edit-date: [Sun Feb 14 10:27:20 1999]
  *
@@ -209,7 +209,7 @@ isicintr(void *arg)
 				was_isac_irq = 1;
 			}
 		}
-#ifndef amiga /* XXX should be: #if INTERUPTS_ARE_SHARED */
+#if !defined(amiga) && !defined(atari) /* XXX should be: #if INTS_ARE_SHARED */
 #ifdef ELSA_QS1ISA
 		if(sc->sc_cardtyp != CARD_TYPEP_ELSAQS1ISA)
 		{
@@ -219,7 +219,7 @@ isicintr(void *arg)
 #ifdef ELSA_QS1ISA
 		}
 #endif	
-#endif /* AMIGA */
+#endif /* !AMIGA && !ATARI */
 			
 		HSCX_WRITE(0, H_MASK, 0xff);
 		ISAC_WRITE(I_MASK, 0xff);
diff --git a/sys/i4b/layer1/i4b_isic_isa.c b/sys/i4b/layer1/i4b_isic_isa.c
index aa722c0..4147355 100644
--- a/sys/i4b/layer1/i4b_isic_isa.c
+++ b/sys/i4b/layer1/i4b_isic_isa.c
@@ -27,9 +27,9 @@
  *	i4b_isic_isa.c - ISA bus interface
  *	==================================
  *
- *	$Id: i4b_isic_isa.c,v 1.2 1999/03/07 16:08:15 hm Exp $ 
+ *	$Id: i4b_isic_isa.c,v 1.20 1999/05/10 09:37:35 hm Exp $ 
  *
- *      last edit-date: [Tue Mar 16 10:35:38 1999]
+ *      last edit-date: [Tue Apr 20 11:47:59 1999]
  *
  *---------------------------------------------------------------------------*/
 
@@ -98,7 +98,7 @@ void isicintr ( int unit );
 void isicintr_sc(struct isic_softc *sc);
 
 static int isicprobe(struct isa_device *dev);
-static int isicattach(struct isa_device *dev);
+int isicattach(struct isa_device *dev);
 
 struct isa_driver isicdriver = {
 	isicprobe,
@@ -198,6 +198,12 @@ isicprobe(struct isa_device *dev)
 			break;
 #endif
 
+#ifdef ELSA_PCC16
+		case FLAG_ELSA_PCC16:
+			ret = isic_probe_Eqs1pi(dev, 0);
+			break;
+#endif
+
 		default:
 			break;
 	}
@@ -250,6 +256,12 @@ isa_isicmatch(struct device *parent, struct cfdata *cf, struct isa_attach_args *
 			break;
 #endif
 
+#ifdef ELSA_PCC16
+                case FLAG_ELSA_PCC16:
+			ret = isic_probe_Eqs1pi(dev, 0);
+			break;
+#endif
+
 		default:
 			break;
 	}
@@ -274,7 +286,7 @@ isicprobe(struct isic_attach_args *args)
 /*---------------------------------------------------------------------------*
  *	isic - non-pnp device driver attach routine
  *---------------------------------------------------------------------------*/
-static int
+int
 isicattach(struct isa_device *dev)
 {
 	return(isic_realattach(dev, 0));
@@ -395,6 +407,12 @@ isicattach(int flags, struct isic_softc *sc)
 			break;
 #endif
 
+#ifdef ELSA_PCC16
+		case FLAG_ELSA_PCC16:
+			ret = isic_attach_Eqs1pi(dev, 0);
+			break;
+#endif
+
 /* ======================================================================
  * Only P&P cards follow below!!!
  */
@@ -404,7 +422,7 @@ isicattach(int flags, struct isic_softc *sc)
 
 #ifdef AVM_A1_PCMCIA
 		case FLAG_AVM_A1_PCMCIA:
-                      ret = isic_attach_fritz(PARM);
+                      ret = isic_attach_fritzpcmcia(PARM);
 			break;
 #endif
 
@@ -592,6 +610,10 @@ isicattach(int flags, struct isic_softc *sc)
 			drvid = "ITK ix1 micro";
 			break;
 
+		case FLAG_ELSA_PCC16:
+			drvid = "ELSA PCC-16";
+			break;
+
 		default:
 			drvid = "ERROR, unknown flag used";
 			break;
diff --git a/sys/i4b/layer1/i4b_isic_pci.c b/sys/i4b/layer1/i4b_isic_pci.c
index c17dfc6..f732dd1 100644
--- a/sys/i4b/layer1/i4b_isic_pci.c
+++ b/sys/i4b/layer1/i4b_isic_pci.c
@@ -27,9 +27,9 @@
  *	i4b_isic_pci.c - PCI bus interface
  *	==================================
  *
- *	$Id: i4b_isic_pci.c,v 1.4 1999/04/24 20:24:02 peter Exp $
+ *	$Id: i4b_isic_pci.c,v 1.14 1999/04/28 04:12:51 hm Exp $
  *
- *      last edit-date: [Wed Feb 17 15:19:44 1999]
+ *      last edit-date: [Wed Apr 21 09:57:37 1999]
  *
  *---------------------------------------------------------------------------*/
 
@@ -88,7 +88,7 @@
 #define PORT0_MAPOFF	4
 #define PORT1_MAPOFF	12
 
-static char* i4b_pci_probe(pcici_t tag, pcidi_t type);
+static const char *i4b_pci_probe(pcici_t tag, pcidi_t type);
 static void i4b_pci_attach(pcici_t config_id, int unit);
 static int isic_pciattach(int unit, u_long type, u_int iobase1, u_int iobase2);
 
@@ -102,7 +102,15 @@ static struct pci_device i4b_pci_driver = {
 	NULL
 };
 
+#if defined(__FreeBSD_version) && __FreeBSD_version >= 400004
+#ifndef COMPAT_PCI_DRIVER
+DATA_SET (pcidevice_set, i4b_pci_driver);
+#else
 COMPAT_PCI_DRIVER (isic_pci, i4b_pci_driver);
+#endif /* COMPAT_PCI_DRIVER */
+#else /* __FreeBSD_version >= 400004 */
+DATA_SET (pcidevice_set, i4b_pci_driver);
+#endif /* __FreeBSD_version >= 400004 */
 
 static void isic_pci_intr_sc(struct isic_softc *sc);
 
@@ -114,7 +122,7 @@ extern void avma1pp_map_int(pcici_t, void *, unsigned *);
 /*---------------------------------------------------------------------------*
  *	PCI probe routine
  *---------------------------------------------------------------------------*/
-static char *
+static const char *
 i4b_pci_probe(pcici_t tag, pcidi_t type)
 {
 	switch(type)
@@ -151,7 +159,7 @@ i4b_pci_attach(pcici_t config_id, int unit)
 		return;
 	}
 
-	/* IMHO the all following should be done in the low-level driver - GJ */
+	/* IMHO all the following should be done in the low-level driver - GJ */
 	type = pci_conf_read(config_id, PCI_ID_REG);
 		
 	/* not all cards have their ports at the same location !!! */
diff --git a/sys/i4b/layer1/i4b_isic_pcmcia.c b/sys/i4b/layer1/i4b_isic_pcmcia.c
index 47f78e4..f6ceb5d 100644
--- a/sys/i4b/layer1/i4b_isic_pcmcia.c
+++ b/sys/i4b/layer1/i4b_isic_pcmcia.c
@@ -35,14 +35,13 @@
  *	i4b_isic_pcmcia.c - i4b FreeBSD PCMCIA support
  *	----------------------------------------------
  *
- *	$Id: i4b_isic_pcmcia.c,v 1.5 1999/03/16 11:07:04 hm Exp $
+ *	$Id: i4b_isic_pcmcia.c,v 1.9 1999/04/27 09:49:49 hm Exp $
  *
- *      last edit-date: [Tue Mar 16 10:36:56 1999]
+ *      last edit-date: [Mon Apr 26 10:52:57 1999]
  *
  *---------------------------------------------------------------------------*/
 
 #ifdef __FreeBSD__
- 
 #include "isic.h"
 #include "opt_i4b.h"
 #include "card.h"
@@ -53,9 +52,9 @@
 #include <sys/types.h>
 #include <sys/select.h>
 #include <sys/param.h>
+#include <i386/isa/isa_device.h>
 
 #if defined(__FreeBSD__) && __FreeBSD__ >= 3
-#include <sys/module.h>
 #include <sys/ioccom.h>
 #else
 #include <sys/ioctl.h>
@@ -89,10 +88,14 @@
 
 #if !(defined(__FreeBSD_version)) || (defined(__FreeBSD_version) && __FreeBSD_version >= 300006)
 void isicintr ( int unit );
+#else
+extern void isicintr(int unit);
 #endif
 
 #endif
  
+extern int isicattach(struct isa_device *dev);
+
 /*  
  * PC-Card (PCMCIA) specific code.
  */
@@ -100,9 +103,7 @@ static int  isic_pccard_init    __P((struct pccard_devinfo *));
 static void isic_unload         __P((struct pccard_devinfo *));
 static int  isic_card_intr      __P((struct pccard_devinfo *));
     
-#ifdef PCCARD_MODULE
-PCCARD_MODULE(isic_pcmcia, isic_pccard_init, isic_unload, isic_card_intr, 0, net_imask);
-#else
+#if defined(__FreeBSD__) && __FreeBSD__ < 3
 static struct pccard_device isic_info = {
     "isic",
     isic_pccard_init,
@@ -110,11 +111,14 @@ static struct pccard_device isic_info = {
     isic_card_intr,
     0,                      /* Attributes - presently unused */
     &net_imask
-};  
-
+};      
+  
 DATA_SET(pccarddrv_set, isic_info);
+#else
+PCCARD_MODULE(isic, isic_pccard_init, isic_unload, isic_card_intr, 0,net_imask);
 #endif
 
+
 /*
  * Initialize the device - called from Slot manager.
  */
@@ -124,6 +128,7 @@ static int opened = 0;			/* our cards status */
 static int isic_pccard_init(devi)
 struct pccard_devinfo *devi;
 {   
+#ifdef AVM_A1_PCMCIA
     	struct isa_device *is = &devi->isahd;
 
 	if ((1 << is->id_unit) & opened)
@@ -149,6 +154,7 @@ struct pccard_devinfo *devi;
 
 	isic_realattach(is, 0);
 
+#endif
 	return(0);
 }
 
diff --git a/sys/i4b/layer1/i4b_isic_pnp.c b/sys/i4b/layer1/i4b_isic_pnp.c
index eddfb9d..a9f056a 100644
--- a/sys/i4b/layer1/i4b_isic_pnp.c
+++ b/sys/i4b/layer1/i4b_isic_pnp.c
@@ -37,9 +37,9 @@
  *	i4b_isic_pnp.c - i4b pnp support
  *	--------------------------------
  *
- *	$Id: i4b_isic_pnp.c,v 1.2 1999/03/07 16:08:16 hm Exp $
+ *	$Id: i4b_isic_pnp.c,v 1.17 1999/04/20 14:28:46 hm Exp $
  *
- *      last edit-date: [Sun Feb 14 10:27:52 1999]
+ *      last edit-date: [Tue Apr 20 16:12:27 1999]
  *
  *---------------------------------------------------------------------------*/
 
@@ -219,7 +219,16 @@ i4b_pnp_attach(u_long csn, u_long vend_id, char *name, struct isa_device *dev)
 	if(dev->id_driver == NULL)
 	{
 		dev->id_driver = &isicdriver;
+#if(defined(__FreeBSD_version) && __FreeBSD_version >= 400004)
 		dev->id_id = isa_compat_nextid();
+#else
+		isa_devp = find_isadev(isa_devtab_net, &isicdriver, 0);
+
+		if(isa_devp != NULL)
+		{
+			dev->id_id = isa_devp->id_id;
+		}
+#endif
 	}
 
 	if((dev->id_alive = isic_pnpprobe(dev, spci.port[1])) != 0)
diff --git a/sys/i4b/layer1/i4b_l1.h b/sys/i4b/layer1/i4b_l1.h
index f00598a..6b455fa 100644
--- a/sys/i4b/layer1/i4b_l1.h
+++ b/sys/i4b/layer1/i4b_l1.h
@@ -27,9 +27,9 @@
  *	i4b_l1.h - isdn4bsd layer 1 header file
  *	---------------------------------------
  *
- *	$Id: i4b_l1.h,v 1.2 1999/03/07 16:08:16 hm Exp $ 
+ *	$Id: i4b_l1.h,v 1.61 1999/04/21 07:50:31 hm Exp $ 
  *
- *      last edit-date: [Tue Mar 16 10:38:03 1999]
+ *      last edit-date: [Tue Mar 16 15:50:24 1999]
  *
  *---------------------------------------------------------------------------*/
 
@@ -76,6 +76,7 @@
 #define	FLAG_ELSA_MLIMC		16	/* XXX - not needed, remove! */
 #define	FLAG_ELSA_MLMCALL	17	/* XXX - not needed, remove! */
 #define FLAG_ITK_IX1		18
+#define FLAG_ELSA_PCC16		19
 
 #define SEC_DELAY	1000000		/* one second DELAY for DELAY*/
 
@@ -383,7 +384,7 @@ extern struct isic_softc isic_sc[];
 extern void isic_recover(struct isic_softc *sc);
 extern int isic_realattach(struct isa_device *dev, unsigned int iobase2);
 extern int isic_attach_avma1 ( struct isa_device *dev );
-extern int isic_attach_fritz ( struct isa_device *dev );
+extern int isic_attach_fritzpcmcia ( struct isa_device *dev );
 extern int isic_attach_Cs0P ( struct isa_device *dev, unsigned int iobase2);
 extern int isic_attach_Dyn ( struct isa_device *dev, unsigned int iobase2);
 extern int isic_attach_s016 ( struct isa_device *dev );
@@ -397,6 +398,7 @@ extern int isic_attach_sws ( struct isa_device *dev );
 extern int isic_attach_Eqs1pi(struct isa_device *dev, unsigned int iobase2);
 extern int isic_attach_Eqs1pp(int unit, unsigned int iobase1, unsigned int iobase2);
 extern void isic_bchannel_setup (int unit, int hscx_channel, int bprot, int activate );
+extern int isic_hscx_fifo(isic_Bchan_t *, struct isic_softc *);
 extern void isic_hscx_init ( struct isic_softc *sc, int hscx_channel, int activate );
 extern void isic_hscx_irq ( struct isic_softc *sc, u_char ista, int hscx_channel, u_char ex_irq );
 extern int isic_hscx_silence ( unsigned char *data, int len );
diff --git a/sys/i4b/layer1/i4b_tel_s0P.c b/sys/i4b/layer1/i4b_tel_s0P.c
index 7ee1d06..f0315b0 100644
--- a/sys/i4b/layer1/i4b_tel_s0P.c
+++ b/sys/i4b/layer1/i4b_tel_s0P.c
@@ -38,7 +38,7 @@
  *		EXPERIMENTAL !!!
  *		================
  *
- *	$Id: i4b_tel_s0P.c,v 1.2 1999/03/07 16:08:16 hm Exp $ 
+ *	$Id: i4b_tel_s0P.c,v 1.14 1999/03/16 11:12:31 hm Exp $ 
  *
  *      last edit-date: [Tue Mar 16 10:39:14 1999]
  *
diff --git a/sys/i4b/layer1/isapnp_isic.c b/sys/i4b/layer1/isapnp_isic.c
index c340d8f..a902995 100644
--- a/sys/i4b/layer1/isapnp_isic.c
+++ b/sys/i4b/layer1/isapnp_isic.c
@@ -33,9 +33,9 @@
  *	isapnp_isic.c - ISA-P&P bus frontend for i4b_isic driver
  *	--------------------------------------------------------
  *
- *	$Id: isapnp_isic.c,v 1.10 1999/02/14 09:45:00 hm Exp $ 
+ *	$Id: isapnp_isic.c,v 1.11 1999/05/03 08:48:25 hm Exp $ 
  *
- *      last edit-date: [Sun Feb 14 10:29:15 1999]
+ *      last edit-date: [Sun May  2 11:57:08 1999]
  *
  *	-mh	original implementation
  *      -hm     NetBSD patches from Martin 
@@ -92,8 +92,12 @@ typedef void (*attach_func)(struct isic_softc *sc);
 
 /* map allocators */
 static void generic_pnp_mapalloc(struct isapnp_attach_args *ipa, struct isic_softc *sc);
+#ifdef DRN_NGO
 static void ngo_pnp_mapalloc(struct isapnp_attach_args *ipa, struct isic_softc *sc);
+#endif
+#if defined(CRTX_S0_P) || defined(TEL_S0_16_3_P)
 static void tls_pnp_mapalloc(struct isapnp_attach_args *ipa, struct isic_softc *sc);
+#endif
 
 /* card attach functions */
 extern void isic_attach_Cs0P __P((struct isic_softc *sc));
@@ -350,6 +354,7 @@ generic_pnp_mapalloc(struct isapnp_attach_args *ipa, struct isic_softc *sc)
 	sc->sc_maps[0].size = 0;	/* foreign mapping, leave it alone */
 }
 
+#ifdef DRN_NGO
 static void
 ngo_pnp_mapalloc(struct isapnp_attach_args *ipa, struct isic_softc *sc)
 {
@@ -362,7 +367,9 @@ ngo_pnp_mapalloc(struct isapnp_attach_args *ipa, struct isic_softc *sc)
 		sc->sc_maps[1].h = ipa->ipa_io[1].h;
 		sc->sc_maps[1].size = 0;
 }
+#endif
 
+#if defined(CRTX_S0_P) || defined(TEL_S0_16_3_P)
 static void
 tls_pnp_mapalloc(struct isapnp_attach_args *ipa, struct isic_softc *sc)
 {
@@ -384,3 +391,4 @@ tls_pnp_mapalloc(struct isapnp_attach_args *ipa, struct isic_softc *sc)
 		sc->sc_maps[3].h = ipa->ipa_io[1].h;
 		sc->sc_maps[3].size = 0;
 }
+#endif
diff --git a/sys/i4b/layer1/isic_supio.c b/sys/i4b/layer1/isic_supio.c
index 24cc1de..0a80fbb 100644
--- a/sys/i4b/layer1/isic_supio.c
+++ b/sys/i4b/layer1/isic_supio.c
@@ -33,15 +33,17 @@
  *	isic_supio.c - Amiga supio pseudo bus frontend for i4b_isic driver
  *	supports:
  *		- ISDN Blaster	5001/1
+ *		- ISDN MasterII	5000/1
  *		- ISDN Master	2092/64
- *	But we attach to the supio, so just see "isic".
- *	-----------------------------------------------
+ *	But we attach to the supio, so just see "isic" or "isicII".
+ *	-----------------------------------------------------------
  *
- *	$Id: isic_supio.c,v 1.6 1999/02/14 09:45:00 hm Exp $ 
+ *	$Id: isic_supio.c,v 1.7 1999/03/24 10:09:03 hm Exp $ 
  *
- *      last edit-date: [Sun Feb 14 10:29:19 1999]
+ *      last edit-date: [Mon Mar 22 22:49:20 MET 1999]
  *
- *	-is	original implementation
+ *	-is	ISDN Master II support added.
+ *	-is	original implementation [Sun Feb 14 10:29:19 1999]
  *
  *---------------------------------------------------------------------------*/
 
@@ -105,7 +107,8 @@ isic_supio_match(parent, cf, aux)
 	struct supio_attach_args *sap = aux;
 
 	/* ARGSUSED */
-	return (!strcmp("isic", sap->supio_name));
+	return (!strcmp("isic", sap->supio_name) ||
+		!strcmp("isicII", sap->supio_name));
 }
 
 int isic_supio_ipl = 2;
@@ -124,6 +127,8 @@ isic_supio_attach(parent, self, aux)
 	bus_space_tag_t bst;
 	bus_space_handle_t h;
 
+	int o1, o2;
+
 	/* setup parameters */
 	sc->sc_cardtyp = CARD_TYPEP_BLMASTER;
 	sc->sc_num_mappings = 3;
@@ -132,25 +137,32 @@ isic_supio_attach(parent, self, aux)
 	/* create io mappings */
 	MALLOC_MAPS(sc);
 
+	if (!strcmp(sap->supio_name, "isic")) {
+		o1 = 0x300;
+		o2 = 0x100;
+	} else /* "isic-II" */ {
+		o1 = 0x100;
+		o2 = 0x300;
+	}
 	bst = sap->supio_iot;
 	bus_space_map(bst, sap->supio_iobase, 0x400, 0, &h);
 
 	/* ISAC */
 	sc->sc_maps[0].t = bst;
 	sc->sc_maps[0].h = h;
-	sc->sc_maps[0].offset = 0x300/2;
+	sc->sc_maps[0].offset = o1/2;	
 	sc->sc_maps[0].size = 0;	/* foreign mapping, leave it alone */
 
 	/* HSCX A */
 	sc->sc_maps[1].t = bst;
 	sc->sc_maps[1].h = h;
-	sc->sc_maps[1].offset = 0x100/2;
+	sc->sc_maps[1].offset = o2/2;
 	sc->sc_maps[1].size = 0;	/* foreign mapping, leave it alone */
 
 	/* HSCX B */
 	sc->sc_maps[2].t = bst;
 	sc->sc_maps[2].h = h;
-	sc->sc_maps[2].offset = 0x180/2;
+	sc->sc_maps[2].offset = (o2 + 0x80)/2;
 	sc->sc_maps[2].size = 0;	/* foreign mapping, leave it alone */
 
 	sc->clearirq = NULL;
diff --git a/sys/i4b/layer1/pci_isic.c b/sys/i4b/layer1/pci_isic.c
index d577592..7e0a699 100644
--- a/sys/i4b/layer1/pci_isic.c
+++ b/sys/i4b/layer1/pci_isic.c
@@ -1,5 +1,5 @@
 /*
- *   Copyright (c) 1998 Martin Husemann. All rights reserved.
+ *   Copyright (c) 1998,1999 Martin Husemann. All rights reserved.
  *
  *   Redistribution and use in source and binary forms, with or without
  *   modification, are permitted provided that the following conditions
@@ -33,11 +33,12 @@
  *	pci_isic.c - pcmcia bus frontend for i4b_isic driver
  *	-------------------------------------------------------
  *
- *	$Id: pci_isic.c,v 1.2 1999/02/14 09:45:00 hm Exp $ 
+ *	$Id: pci_isic.c,v 1.3 1999/03/16 15:21:55 hm Exp $ 
  *
- *      last edit-date: [Sun Feb 14 10:29:25 1999]
+ *      last edit-date: [Wed Mar 10 07:22:08 1999]
  *
  *	-mh	original implementation
+ *	-mh	added support for Fritz! PCI card
  *
  *---------------------------------------------------------------------------*/
 
@@ -72,6 +73,7 @@
 #include <i4b/layer1/i4b_ipac.h>
 #include <i4b/layer1/i4b_isac.h>
 #include <i4b/layer1/i4b_hscx.h>
+#include <i4b/layer1/pci_isic.h>
 #include <i4b/include/i4b_global.h>
 #include <i4b/include/i4b_l1l2.h>
 
@@ -79,15 +81,7 @@ static int pci_isic_match __P((struct device *, struct cfdata *, void *));
 static void pci_isic_attach __P((struct device *, struct device *, void *));
 static const struct isic_pci_product * find_matching_card __P((struct pci_attach_args *pa));
 
-extern void isic_attach_Eqs1pp __P((struct isic_softc *sc, struct pci_attach_args *pa));
-static int isic_pciattach __P((struct isic_softc *sc));
-
-struct pci_isic_softc {
-	struct isic_softc sc_isic;	/* parent class */
-
-	/* PCI-specific goo */
-	void *sc_ih;				/* interrupt handler */
-};
+static void isic_pciattach __P((struct pci_isic_softc *psc, struct pci_attach_args *pa));
 
 struct cfattach pci_isic_ca = {
 	sizeof(struct pci_isic_softc), pci_isic_match, pci_isic_attach
@@ -98,16 +92,37 @@ static const struct isic_pci_product {
 	pci_vendor_id_t npp_vendor;
 	pci_product_id_t npp_product;
 	int cardtype;
-	int flag;
 	const char * name;
-	void (*attach)(struct isic_softc *sc, struct pci_attach_args *pa);
+	void (*attach)(struct pci_isic_softc *psc, struct pci_attach_args *pa);
+	void (*pciattach)(struct pci_isic_softc *psc, struct pci_attach_args *pa);
 } isic_pci_products[] = {
-	{ PCI_VENDOR_ELSA, 0x1000,
-	  CARD_TYPEP_ELSAQS1PCI, FLAG_ELSA_QS1P_PCI,
+
+#ifdef ELSA_QS1PCI
+#ifndef PCI_PRODUCT_ELSA_QS1PCI
+#define PCI_PRODUCT_ELSA_QS1PCI 0x1000	/* added to pcidevs in 1.3K, earlier versions missing it */
+#endif
+	{ PCI_VENDOR_ELSA, PCI_PRODUCT_ELSA_QS1PCI,
+	  CARD_TYPEP_ELSAQS1PCI,
 	  "ELSA QuickStep 1000pro/PCI",
-	  isic_attach_Eqs1pp },
+	  isic_attach_Eqs1pp,	/* card specific initialization */
+	  isic_pciattach	/* generic setup for ISAC/HSCX or IPAC boards */
+	 },
+#endif
 
-	{ 0, 0, 0, 0, NULL, NULL },
+#ifdef AVM_A1_PCI
+#ifndef PCI_VENDOR_AVM
+#define PCI_VENDOR_AVM	0x1244	/* earlier versions missing this */
+#define	PCI_PRODUCT_AVM_FRITZ_CARD 0x0a00
+#endif
+	{ PCI_VENDOR_AVM, PCI_PRODUCT_AVM_FRITZ_CARD,
+	  CARD_TYPEP_AVMA1PCI,
+	  "Fritz!Card",
+	  isic_attach_fritzPci,
+	  NULL				/* card rolls its own setup */
+	 },
+#endif
+
+	{ 0, 0, 0, NULL, NULL },
 };
 
 static const struct isic_pci_product * find_matching_card(pa)
@@ -151,10 +166,7 @@ pci_isic_attach(parent, self, aux)
 	struct pci_isic_softc *psc = (void*) self;
 	struct isic_softc *sc = &psc->sc_isic;
 	struct pci_attach_args *pa = aux;
-	pci_chipset_tag_t pc = pa->pa_pc;
-	pci_intr_handle_t ih;
 	const struct isic_pci_product * prod;
-	const char *intrstr;
 
 	/* Redo probe */
 	prod = find_matching_card(pa);
@@ -164,38 +176,24 @@ pci_isic_attach(parent, self, aux)
 	printf(": %s\n", prod->name);
 
 	/* card initilization and sc setup */
-	prod->attach(sc, pa);
+	prod->attach(psc, pa);
 
-	/* generic setup */
-	isic_pciattach(sc);
-
-	/* Map and establish the interrupt. */
-	if (pci_intr_map(pc, pa->pa_intrtag, pa->pa_intrpin,
-	    pa->pa_intrline, &ih)) {
-		printf("%s: couldn't map interrupt\n", sc->sc_dev.dv_xname);
-		return;
-	}
-	intrstr = pci_intr_string(pc, ih);
-	psc->sc_ih = pci_intr_establish(pc, ih, IPL_NET, isicintr, sc);
-	if (psc->sc_ih == NULL) {
-		printf("%s: couldn't establish interrupt",
-		    sc->sc_dev.dv_xname);
-		if (intrstr != NULL)
-			printf(" at %s", intrstr);
-		printf("\n");
-		return;
-	}
-	printf("%s: interrupting at %s\n", sc->sc_dev.dv_xname, intrstr);
+	/* generic setup, if needed for this card */
+	if (prod->pciattach) prod->pciattach(psc, pa);
 }
 
 /*---------------------------------------------------------------------------*
  *	isic - pci device driver attach routine
  *---------------------------------------------------------------------------*/
-static int
-isic_pciattach(sc)
-	struct isic_softc *sc;
+static void
+isic_pciattach(psc, pa)
+	struct pci_isic_softc *psc;
+	struct pci_attach_args *pa;
 {
-	int ret = 0;
+	struct isic_softc *sc = &psc->sc_isic;
+	pci_chipset_tag_t pc = pa->pa_pc;
+	pci_intr_handle_t ih;
+	const char *intrstr;
 
   	static char *ISACversion[] = {
   		"2085 Version A1/A2 or 2086/2186 Version 1.1",
@@ -222,7 +220,7 @@ isic_pciattach(sc)
 	
 	if(sc->sc_ipac)
 	{
-		ret = IPAC_READ(IPAC_ID);
+		u_int ret = IPAC_READ(IPAC_ID);
 
 		switch(ret)
 		{
@@ -233,8 +231,7 @@ isic_pciattach(sc)
 			default:
 				printf("%s: Error, IPAC version %d unknown!\n",
 					sc->sc_dev.dv_xname, ret);
-				return(0);
-				break;
+				return;
 		}
 	}
 	else
@@ -256,8 +253,7 @@ isic_pciattach(sc)
 			default:
 				printf("%s: Error, ISAC version %d unknown!\n",
 					sc->sc_dev.dv_xname, sc->sc_isac_version);
-				return(0);
-				break;
+				return;
 		}
 	
 		sc->sc_hscx_version = HSCX_READ(0, H_VSTR) & 0xf;
@@ -276,8 +272,7 @@ isic_pciattach(sc)
 			default:
 				printf("%s: Error, HSCX version %d unknown!\n",
 					sc->sc_dev.dv_xname, sc->sc_hscx_version);
-				return(0);
-				break;
+				return;
 		}
 	}
 	
@@ -322,6 +317,23 @@ isic_pciattach(sc)
 	
 	MPH_Status_Ind(sc->sc_unit, STI_ATTACH, sc->sc_cardtyp);
 	
-	return(1);
+
+	/* Map and establish the interrupt. */
+	if (pci_intr_map(pc, pa->pa_intrtag, pa->pa_intrpin,
+	    pa->pa_intrline, &ih)) {
+		printf("%s: couldn't map interrupt\n", sc->sc_dev.dv_xname);
+		return;
+	}
+	intrstr = pci_intr_string(pc, ih);
+	psc->sc_ih = pci_intr_establish(pc, ih, IPL_NET, isicintr, sc);
+	if (psc->sc_ih == NULL) {
+		printf("%s: couldn't establish interrupt",
+		    sc->sc_dev.dv_xname);
+		if (intrstr != NULL)
+			printf(" at %s", intrstr);
+		printf("\n");
+		return;
+	}
+	printf("%s: interrupting at %s\n", sc->sc_dev.dv_xname, intrstr);
 }
 
diff --git a/sys/i4b/layer1/pci_isic.h b/sys/i4b/layer1/pci_isic.h
new file mode 100644
index 0000000..0ac1918
--- /dev/null
+++ b/sys/i4b/layer1/pci_isic.h
@@ -0,0 +1,53 @@
+/*
+ *   Copyright (c) 1999 Martin Husemann. 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.
+ *
+ *---------------------------------------------------------------------------
+ *
+ *	pci_isic.h - pci bus frontend for i4b_isic driver
+ *	-------------------------------------------------
+ *
+ *	$Id: pci_isic.h,v 1.1 1999/05/03 08:52:05 hm Exp $ 
+ *
+ *      last edit-date: [Wed Mar 10 07:22:08 1999]
+ *
+ *	-mh	original implementation
+ *
+ *---------------------------------------------------------------------------*/
+
+struct pci_isic_softc {
+	struct isic_softc sc_isic;	/* parent class */
+
+	/* PCI-specific goo */
+	void *sc_ih;				/* interrupt handler */
+};
+
+extern void isic_attach_Eqs1pp __P((struct pci_isic_softc *psc, struct pci_attach_args *pa));
+extern void isic_attach_fritzPci __P((struct pci_isic_softc *psc, struct pci_attach_args *pa));
+
diff --git a/sys/i4b/layer1/pcmcia_isic.c b/sys/i4b/layer1/pcmcia_isic.c
index 20b5478..cb6ff4c 100644
--- a/sys/i4b/layer1/pcmcia_isic.c
+++ b/sys/i4b/layer1/pcmcia_isic.c
@@ -33,9 +33,9 @@
  *	pcmcia_isic.c - pcmcia bus frontend for i4b_isic driver
  *	-------------------------------------------------------
  *
- *	$Id: pcmcia_isic.c,v 1.4 1999/02/14 09:45:00 hm Exp $ 
+ *	$Id: pcmcia_isic.c,v 1.5 1999/04/20 12:19:57 hm Exp $ 
  *
- *      last edit-date: [Sun Feb 14 10:29:29 1999]
+ *      last edit-date: [Tue Apr 20 14:09:16 1999]
  *
  *	-mh	original implementation
  *
@@ -98,7 +98,7 @@ struct isic_pcmcia_card_entry {
 
 static const struct isic_pcmcia_card_entry card_list[] = {
 
-#ifdef AVM_PCMCIA
+#ifdef AVM_A1_PCMCIA
     {   PCMCIA_VENDOR_INVALID, PCMCIA_PRODUCT_INVALID,
     	{ "AVM", "ISDN A", NULL, NULL },
         "AVM Fritz!Card", PCMCIA_FUNCTION_NETWORK,
diff --git a/sys/i4b/layer2/i4b_iframe.c b/sys/i4b/layer2/i4b_iframe.c
index 887f828..3a37d04 100644
--- a/sys/i4b/layer2/i4b_iframe.c
+++ b/sys/i4b/layer2/i4b_iframe.c
@@ -27,9 +27,9 @@
  *	i4b_iframe.c - i frame handling routines
  *	------------------------------------------
  *
- *	$Id: i4b_iframe.c,v 1.16 1999/02/14 09:45:00 hm Exp $ 
+ *	$Id: i4b_iframe.c,v 1.19 1999/04/21 07:36:32 hm Exp $ 
  *
- *      last edit-date: [Sun Feb 14 10:31:19 1999]
+ *      last edit-date: [Wed Apr 21 09:24:34 1999]
  *
  *---------------------------------------------------------------------------*/
 
@@ -73,7 +73,7 @@
 
 /*---------------------------------------------------------------------------*
  *	process i frame
- *	implements the routine "I COMMAND" Q.921 03/93 pp 77
+ *	implements the routine "I COMMAND" Q.921 03/93 pp 68 and pp 77
  *---------------------------------------------------------------------------*/
 void
 i4b_rxd_i_frame(int unit, struct mbuf *m)
@@ -83,7 +83,7 @@ i4b_rxd_i_frame(int unit, struct mbuf *m)
 	int nr;
 	int ns;
 	int p;
-	int x;
+	CRIT_VAR;
 	
 	if(!((l2sc->tei_valid == TEI_VALID) &&
 	     (l2sc->tei == GETTEI(*(ptr+OFF_TEI)))))
@@ -99,7 +99,7 @@ i4b_rxd_i_frame(int unit, struct mbuf *m)
 		return;
 	}
 
-	x = SPLI4B();
+	CRIT_BEG;
 	
 	nr = GETINR(*(ptr + OFF_INR));
 	ns = GETINS(*(ptr + OFF_INS));
@@ -165,7 +165,9 @@ i4b_rxd_i_frame(int unit, struct mbuf *m)
 		if(l2sc->Q921_state == ST_TIMREC)
 		{
 			l2sc->va = nr;
-			splx(x);
+
+			CRIT_END;
+
 			return;
 		}
 
@@ -196,7 +198,8 @@ i4b_rxd_i_frame(int unit, struct mbuf *m)
 		i4b_nr_error_recovery(l2sc);	/* sequence error */
 		l2sc->Q921_state = ST_AW_EST; 
 	}
-	splx(x);	
+
+	CRIT_END;
 }
 
 /*---------------------------------------------------------------------------*
@@ -205,26 +208,39 @@ i4b_rxd_i_frame(int unit, struct mbuf *m)
 void
 i4b_i_frame_queued_up(l2_softc_t *l2sc)
 {
-	int x;
 	struct mbuf *m;
 	u_char *ptr;
+	CRIT_VAR;
 
-	x = SPLI4B();
-
-	if(l2sc->peer_busy)
+	CRIT_BEG;
+	
+	if((l2sc->peer_busy) || (l2sc->vs == ((l2sc->va + MAX_K_VALUE) & 127)))
 	{
-		DBGL2(L2_I_MSG, "i4b_i_frame_queued_up", ("peer busy!\n"));
-		i4b_print_l2var(l2sc);
-		splx(x);
-		return;
-	}
+		if(l2sc->peer_busy)
+		{
+			DBGL2(L2_I_MSG, "i4b_i_frame_queued_up", ("regen IFQUP, cause: peer busy!\n"));
+		}
 
-	if(l2sc->vs == ((l2sc->va + MAX_K_VALUE) & 127))
-	{
-		DBGL2(L2_I_ERR, "i4b_i_frame_queued_up", ("V(S) == ((V(A) + k) & 127)!\n"));
-		DBGL2(L2_I_ERR, "i4b_i_frame_queued_up", ("state = %s\n", i4b_print_l2state(l2sc)));
-		i4b_print_l2var(l2sc);
-		splx(x);
+		if(l2sc->vs == ((l2sc->va + MAX_K_VALUE) & 127))
+		{
+			DBGL2(L2_I_MSG, "i4b_i_frame_queued_up", ("regen IFQUP, cause: vs=va+k!\n"));
+		}	
+
+		/*
+		 * XXX see: Q.921, page 36, 5.6.1 ".. may retransmit an I
+		 * frame ...", shall we retransmit the last i frame ?
+		 */
+
+		if(!(IF_QEMPTY(&l2sc->i_queue)))
+		{
+			DBGL2(L2_I_MSG, "i4b_i_frame_queued_up", ("re-scheduling IFQU call!\n"));
+#if defined(__FreeBSD_version) && __FreeBSD_version >= 300001
+			l2sc->IFQU_callout = timeout((TIMEOUT_FUNC_T)i4b_i_frame_queued_up, (void *)l2sc, IFQU_DLY);
+#else
+			timeout((TIMEOUT_FUNC_T)i4b_i_frame_queued_up, (void *)l2sc, IFQU_DLY);
+#endif			
+		}
+		CRIT_END;
 		return;
 	}
 
@@ -233,7 +249,7 @@ i4b_i_frame_queued_up(l2_softc_t *l2sc)
 	if(!m)
 	{
 		DBGL2(L2_I_ERR, "i4b_i_frame_queued_up", ("ERROR, mbuf NULL after IF_DEQUEUE\n"));
-		splx(x);
+		CRIT_END;
 		return;
 	}
 
@@ -263,7 +279,7 @@ i4b_i_frame_queued_up(l2_softc_t *l2sc)
 	
 	l2sc->ack_pend = 0;
 
-	splx(x);
+	CRIT_END;
 
 	if(l2sc->T200 == TIMER_IDLE)
 	{
diff --git a/sys/i4b/layer2/i4b_l2.c b/sys/i4b/layer2/i4b_l2.c
index 875fabb..80072bb 100644
--- a/sys/i4b/layer2/i4b_l2.c
+++ b/sys/i4b/layer2/i4b_l2.c
@@ -27,9 +27,9 @@
  *      i4b_l2.c - ISDN layer 2 (Q.921)
  *	-------------------------------
  *
- *	$Id: i4b_l2.c,v 1.24 1999/02/14 09:45:00 hm Exp $ 
+ *	$Id: i4b_l2.c,v 1.26 1999/04/15 09:53:55 hm Exp $ 
  *
- *      last edit-date: [Sun Feb 14 10:31:25 1999]
+ *      last edit-date: [Thu Apr 15 11:32:11 1999]
  *
  *---------------------------------------------------------------------------*/
 
@@ -156,7 +156,7 @@ int i4b_dl_unit_data_req(int unit, struct mbuf *m)
 int i4b_dl_data_req(int unit, struct mbuf *m)
 {
 	l2_softc_t *l2sc = &l2_softc[unit];
-	int x;
+
 #ifdef NOTDEF
 	DBGL2(L2_PRIM, "DL-DATA-REQ", ("unit %d\n",unit));
 #endif
@@ -173,9 +173,12 @@ int i4b_dl_data_req(int unit, struct mbuf *m)
 		        }
 		        else
 		        {
-			        x = splimp();		        	
+		        	CRIT_VAR;
+
+		        	CRIT_BEG;
 				IF_ENQUEUE(&l2sc->i_queue, m);
-				splx(x);
+				CRIT_END;
+
 				i4b_i_frame_queued_up(l2sc);
 			}
 			break;
@@ -222,7 +225,9 @@ static void
 i4b_l2_unit_init(int unit)
 {
 	l2_softc_t *l2sc = &l2_softc[unit];
+	CRIT_VAR;
 
+	CRIT_BEG;
 	l2sc->Q921_state = ST_TEI_UNAS;
 	l2sc->tei_valid = TEI_INVALID;
 	l2sc->vr = 0;
@@ -251,7 +256,9 @@ i4b_l2_unit_init(int unit)
 
 	i4b_T200_stop(l2sc);
 	i4b_T202_stop(l2sc);
-	i4b_T203_stop(l2sc);	
+	i4b_T203_stop(l2sc);
+
+	CRIT_END;	
 }
 
 /*---------------------------------------------------------------------------*
@@ -261,9 +268,10 @@ int
 i4b_mph_status_ind(int unit, int status, int parm)
 {
 	l2_softc_t *l2sc = &l2_softc[unit];
+	CRIT_VAR;
 	int sendup = 1;
-
-	int x = SPLI4B();
+	
+	CRIT_BEG;
 
 	DBGL1(L1_PRIM, "MPH-STATUS-IND", ("unit %d, status=%d, parm=%d\n", unit, status, parm));
 
@@ -280,6 +288,7 @@ i4b_mph_status_ind(int unit, int status, int parm)
 			callout_handle_init(&l2sc->T200_callout);
 			callout_handle_init(&l2sc->T202_callout);
 			callout_handle_init(&l2sc->T203_callout);
+			callout_handle_init(&l2sc->IFQU_callout);
 #endif
 			break;
 
@@ -312,7 +321,7 @@ i4b_mph_status_ind(int unit, int status, int parm)
 	if(sendup)
 		MDL_Status_Ind(unit, status, parm);  /* send up to layer 3 */
 
-	splx(x);
+	CRIT_END;
 	
 	return(0);
 }
diff --git a/sys/i4b/layer2/i4b_l2.h b/sys/i4b/layer2/i4b_l2.h
index dd63f43..c829a07 100644
--- a/sys/i4b/layer2/i4b_l2.h
+++ b/sys/i4b/layer2/i4b_l2.h
@@ -27,9 +27,9 @@
  *	i4b_l2.h - ISDN layer 2 (Q.921) definitions
  *	---------------------------------------------
  *
- *	$Id: i4b_l2.h,v 1.15 1999/02/14 09:45:00 hm Exp $ 
+ *	$Id: i4b_l2.h,v 1.17 1999/04/22 11:51:45 hm Exp $ 
  *
- *      last edit-date: [Sun Feb 14 10:31:31 1999]
+ *      last edit-date: [Thu Apr 22 13:50:55 1999]
  *
  *---------------------------------------------------------------------------*/
 
@@ -65,8 +65,17 @@ typedef struct {
 	struct	callout_handle T200_callout;
 	struct	callout_handle T202_callout;
 	struct	callout_handle T203_callout;
+	struct	callout_handle IFQU_callout;	
 #endif
 
+/*
+ * i4b_iframe.c, i4b_i_frame_queued_up(): value of IFQU_DLY
+ * some experimentation Gary did showed a minimal value of (hz/20) was
+ * possible to let this work, Gary suggested using (hz/10) but i settled
+ * down to using (hz/5) for now (-hm).
+ */
+#define IFQU_DLY (hz/5)		/* reschedule I-FRAME-QUEUED-UP 0.2 sec */
+
 	int	vr;		/* receive sequence frame counter */
 	int	vs;		/* transmit sequence frame counter */
 	int	va;		/* acknowledge sequence frame counter */
diff --git a/sys/i4b/layer2/i4b_l2fsm.c b/sys/i4b/layer2/i4b_l2fsm.c
index dbbe0ca..ea04662 100644
--- a/sys/i4b/layer2/i4b_l2fsm.c
+++ b/sys/i4b/layer2/i4b_l2fsm.c
@@ -27,9 +27,9 @@
  *	i4b_l2fsm.c - layer 2 FSM
  *	-------------------------
  *
- *	$Id: i4b_l2fsm.c,v 1.14 1999/02/14 09:45:00 hm Exp $ 
+ *	$Id: i4b_l2fsm.c,v 1.15 1999/03/16 15:29:06 hm Exp $ 
  *
- *      last edit-date: [Sun Feb 14 10:31:37 1999]
+ *      last edit-date: [Tue Mar 16 16:27:12 1999]
  *
  *---------------------------------------------------------------------------*/
 
@@ -242,6 +242,7 @@ struct l2state_tab {
 void i4b_next_l2state(l2_softc_t *l2sc, int event)
 {
 	int currstate, newstate;
+	int (*savpostfsmfunc)(int) = NULL;
 
 	/* check event number */
 	if(event > N_EVENTS)
@@ -292,8 +293,10 @@ void i4b_next_l2state(l2_softc_t *l2sc, int event)
 	if(l2sc->postfsmfunc != NULL)
 	{
 		DBGL2(L2_F_MSG, "i4b_next_l2state", ("FSM executing postfsmfunc!\n"));
-        	(*l2sc->postfsmfunc)(l2sc->postfsmarg);
+		/* try to avoid an endless loop */
+		savpostfsmfunc = l2sc->postfsmfunc;
 		l2sc->postfsmfunc = NULL;
+        	(*savpostfsmfunc)(l2sc->postfsmarg);
         }
 }
 
diff --git a/sys/i4b/layer2/i4b_l2timer.c b/sys/i4b/layer2/i4b_l2timer.c
index b9ae4a1..7a7db04 100644
--- a/sys/i4b/layer2/i4b_l2timer.c
+++ b/sys/i4b/layer2/i4b_l2timer.c
@@ -27,9 +27,9 @@
  *	i4b_l2timer.c - layer 2 timer handling
  *	--------------------------------------
  *
- *	$Id: i4b_l2timer.c,v 1.13 1999/02/14 09:45:00 hm Exp $ 
+ *	$Id: i4b_l2timer.c,v 1.15 1999/04/21 07:36:32 hm Exp $ 
  *
- *      last edit-date: [Sun Feb 14 10:31:48 1999]
+ *      last edit-date: [Wed Apr 21 09:17:58 1999]
  *
  *---------------------------------------------------------------------------*/
 
@@ -85,8 +85,12 @@ i4b_T200_timeout(l2_softc_t *l2sc)
 void
 i4b_T200_start(l2_softc_t *l2sc)
 {
+	if(l2sc->T200 == TIMER_ACTIVE)
+		return;
+		
 	DBGL2(L2_T_MSG, "i4b_T200_start", ("unit %d\n", l2sc->unit));
 	l2sc->T200 = TIMER_ACTIVE;
+
 #if defined(__FreeBSD_version) && __FreeBSD_version >= 300001
 	l2sc->T200_callout = timeout((TIMEOUT_FUNC_T)i4b_T200_timeout, (void *)l2sc, T200DEF);
 #else
@@ -100,6 +104,8 @@ i4b_T200_start(l2_softc_t *l2sc)
 void
 i4b_T200_stop(l2_softc_t *l2sc)
 {
+	CRIT_VAR;
+	CRIT_BEG;
 	if(l2sc->T200 != TIMER_IDLE)
 	{
 #if defined(__FreeBSD_version) && __FreeBSD_version >= 300001
@@ -109,6 +115,7 @@ i4b_T200_stop(l2_softc_t *l2sc)
 #endif
 		l2sc->T200 = TIMER_IDLE;
 	}
+	CRIT_END;
 	DBGL2(L2_T_MSG, "i4b_T200_stop", ("unit %d\n", l2sc->unit));
 }
 
@@ -118,21 +125,27 @@ i4b_T200_stop(l2_softc_t *l2sc)
 void
 i4b_T200_restart(l2_softc_t *l2sc)
 {
+	CRIT_VAR;
+	CRIT_BEG;
 	if(l2sc->T200 != TIMER_IDLE)
+	{
 #if defined(__FreeBSD_version) && __FreeBSD_version >= 300001
 		untimeout((TIMEOUT_FUNC_T)i4b_T200_timeout, (void *)l2sc, l2sc->T200_callout);
 #else
 		untimeout((TIMEOUT_FUNC_T)i4b_T200_timeout, (void *)l2sc);
 #endif
+	}
 	else
+	{
 		l2sc->T200 = TIMER_ACTIVE;
-	
+	}
+
 #if defined(__FreeBSD_version) && __FreeBSD_version >= 300001
 	l2sc->T200_callout = timeout((TIMEOUT_FUNC_T)i4b_T200_timeout, (void *)l2sc, T200DEF);
 #else
 	timeout((TIMEOUT_FUNC_T)i4b_T200_timeout, (void *)l2sc, T200DEF);
 #endif
-
+	CRIT_END;
 	DBGL2(L2_T_MSG, "i4b_T200_restart", ("unit %d\n", l2sc->unit));
 }
 
@@ -156,9 +169,13 @@ i4b_T202_timeout(l2_softc_t *l2sc)
 void
 i4b_T202_start(l2_softc_t *l2sc)
 {
+	if (l2sc->N202 == TIMER_ACTIVE)
+		return;
+
 	DBGL2(L2_T_MSG, "i4b_T202_start", ("unit %d\n", l2sc->unit));
 	l2sc->N202 = N202DEF;	
 	l2sc->T202 = TIMER_ACTIVE;
+
 #if defined(__FreeBSD_version) && __FreeBSD_version >= 300001
 	l2sc->T202_callout = timeout((TIMEOUT_FUNC_T)i4b_T202_timeout, (void *)l2sc, T202DEF);
 #else
@@ -172,6 +189,8 @@ i4b_T202_start(l2_softc_t *l2sc)
 void
 i4b_T202_stop(l2_softc_t *l2sc)
 {
+	CRIT_VAR;
+	CRIT_BEG;
 	if(l2sc->T202 != TIMER_IDLE)
 	{
 #if defined(__FreeBSD_version) && __FreeBSD_version >= 300001
@@ -181,6 +200,7 @@ i4b_T202_stop(l2_softc_t *l2sc)
 #endif
 		l2sc->T202 = TIMER_IDLE;
 	}
+	CRIT_END;
 	DBGL2(L2_T_MSG, "i4b_T202_stop", ("unit %d\n", l2sc->unit));
 }
 
@@ -203,8 +223,12 @@ void
 i4b_T203_start(l2_softc_t *l2sc)
 {
 #if I4B_T203_ACTIVE
+	if (l2sc->T203 == TIMER_ACTIVE)
+		return;
+		
 	DBGL2(L2_T_MSG, "i4b_T203_start", ("unit %d\n", l2sc->unit));
 	l2sc->T203 = TIMER_ACTIVE;
+
 #if defined(__FreeBSD_version) && __FreeBSD_version >= 300001
 	l2sc->T203_callout = timeout((TIMEOUT_FUNC_T)i4b_T203_timeout, (void *)l2sc, T203DEF);
 #else
@@ -220,6 +244,8 @@ void
 i4b_T203_stop(l2_softc_t *l2sc)
 {
 #if I4B_T203_ACTIVE
+	CRIT_VAR;
+	CRIT_BEG;
 	if(l2sc->T203 != TIMER_IDLE)
 	{
 #if defined(__FreeBSD_version) && __FreeBSD_version >= 300001
@@ -229,6 +255,7 @@ i4b_T203_stop(l2_softc_t *l2sc)
 #endif
 		l2sc->T203 = TIMER_IDLE;
 	}
+	CRIT_END;
 	DBGL2(L2_T_MSG, "i4b_T203_stop", ("unit %d\n", l2sc->unit));
 #endif
 }
@@ -240,24 +267,30 @@ void
 i4b_T203_restart(l2_softc_t *l2sc)
 {
 #if I4B_T203_ACTIVE
+	CRIT_VAR;
+	CRIT_BEG;
+
 	if(l2sc->T203 != TIMER_IDLE)
+	{
 #if defined(__FreeBSD_version) && __FreeBSD_version >= 300001
 		untimeout((TIMEOUT_FUNC_T)i4b_T203_timeout, (void *)l2sc, l2sc->T203_callout);
 #else
 		untimeout((TIMEOUT_FUNC_T)i4b_T203_timeout, (void *)l2sc);
 #endif
+	}
 	else
+	{
 		l2sc->T203 = TIMER_ACTIVE;
+	}
 	
 #if defined(__FreeBSD_version) && __FreeBSD_version >= 300001
 	l2sc->T203_callout = timeout((TIMEOUT_FUNC_T)i4b_T203_timeout, (void *)l2sc, T203DEF);
 #else
 	timeout((TIMEOUT_FUNC_T)i4b_T203_timeout, (void *)l2sc, T203DEF);
 #endif
-
+	CRIT_END;
 	DBGL2(L2_T_MSG, "i4b_T203_restart", ("unit %d\n", l2sc->unit));
 #endif
 }
 
 #endif /* NI4BQ921 > 0 */
-
diff --git a/sys/i4b/layer2/i4b_util.c b/sys/i4b/layer2/i4b_util.c
index 047e438..141bef0 100644
--- a/sys/i4b/layer2/i4b_util.c
+++ b/sys/i4b/layer2/i4b_util.c
@@ -27,9 +27,9 @@
  *	i4b_util.c - layer 2 utility routines
  *	-------------------------------------
  *
- *	$Id: i4b_util.c,v 1.17 1999/02/14 09:45:01 hm Exp $ 
+ *	$Id: i4b_util.c,v 1.20 1999/04/15 09:53:55 hm Exp $ 
  *
- *      last edit-date: [Sun Feb 14 10:32:23 1999]
+ *      last edit-date: [Thu Apr 15 10:47:52 1999]
  *
  *---------------------------------------------------------------------------*/
 
@@ -94,12 +94,15 @@ i4b_establish_data_link(l2_softc_t *l2sc)
 void
 i4b_clear_exception_conditions(l2_softc_t *l2sc)
 {
+	CRIT_VAR;
 
+	CRIT_BEG;
+	
 /*XXX -------------------------------------------------------------- */
 /*XXX is this really appropriate here or should it moved elsewhere ? */
 
 	i4b_Dcleanifq(&l2sc->i_queue);
-
+	
 	if(l2sc->ua_num != UA_EMPTY)
 	{
 		i4b_Dfreembuf(l2sc->ua_frame);
@@ -114,6 +117,8 @@ i4b_clear_exception_conditions(l2_softc_t *l2sc)
 	l2sc->own_busy = 0;
 
 	l2sc->ack_pend = 0;	
+
+	CRIT_END;	
 }
 
 /*---------------------------------------------------------------------------*
@@ -165,13 +170,15 @@ i4b_enquiry_response(l2_softc_t *l2sc)
 void
 i4b_invoke_retransmission(l2_softc_t *l2sc, int nr)
 {
-	int x = SPLI4B();
+	CRIT_VAR;
+
+	CRIT_BEG;
 
 	DBGL2(L2_ERROR, "i4b_invoke_retransmission", ("nr = %d\n", nr ));
 	
 	while(l2sc->vs != nr)
 	{
-		DBGL2(L2_ERROR, "i4b_invoke_retransmission", ("nr != vs, nr = %d, vs = %d\n", nr, l2sc->vs));
+		DBGL2(L2_ERROR, "i4b_invoke_retransmission", ("nr(%d) != vs(%d)\n", nr, l2sc->vs));
 
 		M128DEC(l2sc->vs);
 
@@ -179,8 +186,15 @@ i4b_invoke_retransmission(l2_softc_t *l2sc, int nr)
 
 		if((l2sc->ua_num != UA_EMPTY) && (l2sc->vs == l2sc->ua_num))
 		{
-			IF_ENQUEUE(&l2sc->i_queue, l2sc->ua_frame);
-			l2sc->ua_num = UA_EMPTY;
+			if(IF_QFULL(&l2sc->i_queue))
+			{
+				DBGL2(L2_ERROR, "i4b_invoke_retransmission", ("ERROR, I-queue full!\n"));
+			}
+			else
+			{
+				IF_ENQUEUE(&l2sc->i_queue, l2sc->ua_frame);
+				l2sc->ua_num = UA_EMPTY;
+			}
 		}
 		else
 		{
@@ -192,7 +206,7 @@ i4b_invoke_retransmission(l2_softc_t *l2sc, int nr)
 		i4b_i_frame_queued_up(l2sc);
 	}
 
-	splx(x);
+	CRIT_END;
 }
 
 /*---------------------------------------------------------------------------*
@@ -260,9 +274,9 @@ i4b_rxd_ack(l2_softc_t *l2sc, int nr)
 
 	if(l2sc->ua_num != UA_EMPTY)
 	{
-		int s;
-		
-		s = SPLI4B();
+		CRIT_VAR;
+
+		CRIT_BEG;
 		
 		M128DEC(nr);
 
@@ -272,7 +286,7 @@ i4b_rxd_ack(l2_softc_t *l2sc, int nr)
 		i4b_Dfreembuf(l2sc->ua_frame);
 		l2sc->ua_num = UA_EMPTY;
 		
-		splx(s);
+		CRIT_END;
 	}
 }
 
@@ -308,7 +322,6 @@ i4b_l2_nr_ok(int nr, int va, int vs)
 		DBGL2(L2_ERROR, "i4b_l2_nr_ok", ("ERROR, va = %d, nr = %d, vs = %d [2]\n", va, nr, vs));
 		return 0;	/* fail */
 	}
-
 	return 1;		/* good */
 }
 	
diff --git a/sys/i4b/layer3/i4b_l3fsm.c b/sys/i4b/layer3/i4b_l3fsm.c
index 39c024c..a022bf8 100644
--- a/sys/i4b/layer3/i4b_l3fsm.c
+++ b/sys/i4b/layer3/i4b_l3fsm.c
@@ -27,9 +27,9 @@
  *	i4b_l3fsm.c - layer 3 FSM
  *	-------------------------
  *
- *	$Id: i4b_l3fsm.c,v 1.14 1999/02/14 09:45:01 hm Exp $ 
+ *	$Id: i4b_l3fsm.c,v 1.16 1999/04/21 07:50:31 hm Exp $ 
  *
- *      last edit-date: [Sun Feb 14 10:33:25 1999]
+ *      last edit-date: [Wed Apr 21 09:42:26 1999]
  *
  *---------------------------------------------------------------------------*/
 
@@ -889,6 +889,13 @@ static void F_DISC(call_desc_t *cd)
 static void F_DCRQ(call_desc_t *cd)
 {
 	DBGL3(L3_F_MSG, "F_DCRQ", ("FSM function F_DCRQ executing\n"));
+
+	/* stop T310 in case this is the result of an incoming call for a */
+	/* calledback connection */
+
+	if(cd->T310 == TIMER_ACTIVE)
+		T310_stop(cd);
+		
 	/* cause from L4 */
 	i4b_l3_tx_disconnect(cd);
 	T305_start(cd);
diff --git a/sys/i4b/layer3/i4b_l3timer.c b/sys/i4b/layer3/i4b_l3timer.c
index dc20d4e..a4a01be 100644
--- a/sys/i4b/layer3/i4b_l3timer.c
+++ b/sys/i4b/layer3/i4b_l3timer.c
@@ -27,9 +27,9 @@
  *	i4b_l3timer.c - timer and timeout handling for layer 3
  *	------------------------------------------------------
  *
- *	$Id: i4b_l3timer.c,v 1.10 1999/02/14 09:45:01 hm Exp $ 
+ *	$Id: i4b_l3timer.c,v 1.12 1999/04/21 07:50:31 hm Exp $ 
  *
- *      last edit-date: [Sun Feb 14 10:33:38 1999]
+ *      last edit-date: [Wed Apr 21 09:46:59 1999]
  *
  *---------------------------------------------------------------------------*/
 
@@ -101,8 +101,12 @@ T303_timeout(call_desc_t *cd)
 void
 T303_start(call_desc_t *cd)
 {
+	if (cd->T303 == TIMER_ACTIVE)
+		return;
+		
 	DBGL3(L3_T_MSG, "T303_start", ("cr = %d\n", cd->cr));
 	cd->T303 = TIMER_ACTIVE;
+
 #if defined(__FreeBSD_version) && __FreeBSD_version >= 300001
 	cd->T303_callout = timeout((TIMEOUT_FUNC_T)T303_timeout, (void *)cd, T303VAL);
 #else
@@ -116,6 +120,9 @@ T303_start(call_desc_t *cd)
 void
 T303_stop(call_desc_t *cd)
 {
+	CRIT_VAR;
+	CRIT_BEG;
+	
 	if(cd->T303 != TIMER_IDLE)
 	{
 #if defined(__FreeBSD_version) && __FreeBSD_version >= 300001
@@ -125,6 +132,7 @@ T303_stop(call_desc_t *cd)
 #endif
 		cd->T303 = TIMER_IDLE;
 	}
+	CRIT_END;
 	DBGL3(L3_T_MSG, "T303_stop", ("cr = %d\n", cd->cr));
 }
 
@@ -144,8 +152,12 @@ T305_timeout(call_desc_t *cd)
 void
 T305_start(call_desc_t *cd)
 {
+	if (cd->T305 == TIMER_ACTIVE)
+		return;
+		
 	DBGL3(L3_T_MSG, "T305_start", ("cr = %d\n", cd->cr));
 	cd->T305 = TIMER_ACTIVE;
+
 #if defined(__FreeBSD_version) && __FreeBSD_version >= 300001
 	cd->T305_callout = timeout((TIMEOUT_FUNC_T)T305_timeout, (void *)cd, T305VAL);
 #else
@@ -159,6 +171,9 @@ T305_start(call_desc_t *cd)
 void
 T305_stop(call_desc_t *cd)
 {
+	CRIT_VAR;
+	CRIT_BEG;
+	
 	if(cd->T305 != TIMER_IDLE)
 	{
 #if defined(__FreeBSD_version) && __FreeBSD_version >= 300001
@@ -168,6 +183,8 @@ T305_stop(call_desc_t *cd)
 #endif
 		cd->T305 = TIMER_IDLE;
 	}
+	CRIT_END;
+	
 	DBGL3(L3_T_MSG, "T305_stop", ("cr = %d\n", cd->cr));
 }
 
@@ -187,8 +204,12 @@ T308_timeout(call_desc_t *cd)
 void
 T308_start(call_desc_t *cd)
 {
+	if(cd->T308 == TIMER_ACTIVE)
+		return;
+		
 	DBGL3(L3_T_MSG, "T308_start", ("cr = %d\n", cd->cr));
 	cd->T308 = TIMER_ACTIVE;
+
 #if defined(__FreeBSD_version) && __FreeBSD_version >= 300001
 	cd->T308_callout = timeout((TIMEOUT_FUNC_T)T308_timeout, (void *)cd, T308VAL);
 #else
@@ -202,6 +223,9 @@ T308_start(call_desc_t *cd)
 void
 T308_stop(call_desc_t *cd)
 {
+	CRIT_VAR;
+	CRIT_BEG;
+	
 	if(cd->T308 != TIMER_IDLE)
 	{
 #if defined(__FreeBSD_version) && __FreeBSD_version >= 300001
@@ -211,6 +235,8 @@ T308_stop(call_desc_t *cd)
 #endif
 		cd->T308 = TIMER_IDLE;
 	}
+	CRIT_END;
+	
 	DBGL3(L3_T_MSG, "T308_stop", ("cr = %d\n", cd->cr));
 }
 
@@ -230,8 +256,12 @@ T309_timeout(call_desc_t *cd)
 void
 T309_start(call_desc_t *cd)
 {
+	if (cd->T309 == TIMER_ACTIVE)
+		return;
+
 	DBGL3(L3_T_MSG, "T309_start", ("cr = %d\n", cd->cr));
 	cd->T309 = TIMER_ACTIVE;
+
 #if defined(__FreeBSD_version) && __FreeBSD_version >= 300001
 	cd->T309_callout = timeout((TIMEOUT_FUNC_T)T309_timeout, (void *)cd, T309VAL);
 #else
@@ -245,6 +275,9 @@ T309_start(call_desc_t *cd)
 void
 T309_stop(call_desc_t *cd)
 {
+	CRIT_VAR;
+	CRIT_BEG;
+	
 	if(cd->T309 != TIMER_IDLE)
 	{
 #if defined(__FreeBSD_version) && __FreeBSD_version >= 300001
@@ -254,6 +287,8 @@ T309_stop(call_desc_t *cd)
 #endif
 		cd->T309 = TIMER_IDLE;
 	}
+	CRIT_END;
+	
 	DBGL3(L3_T_MSG, "T309_stop", ("cr = %d\n", cd->cr));
 }
 
@@ -273,8 +308,12 @@ T310_timeout(call_desc_t *cd)
 void
 T310_start(call_desc_t *cd)
 {
+	if (cd->T310 == TIMER_ACTIVE)
+		return;
+		
 	DBGL3(L3_T_MSG, "T310_start", ("cr = %d\n", cd->cr));
 	cd->T310 = TIMER_ACTIVE;
+
 #if defined(__FreeBSD_version) && __FreeBSD_version >= 300001
 	cd->T310_callout = timeout((TIMEOUT_FUNC_T)T310_timeout, (void *)cd, T310VAL);
 #else
@@ -288,6 +327,9 @@ T310_start(call_desc_t *cd)
 void
 T310_stop(call_desc_t *cd)
 {
+	CRIT_VAR;
+	CRIT_BEG;
+	
 	if(cd->T310 != TIMER_IDLE)
 	{
 #if defined(__FreeBSD_version) && __FreeBSD_version >= 300001
@@ -297,6 +339,8 @@ T310_stop(call_desc_t *cd)
 #endif
 		cd->T310 = TIMER_IDLE;
 	}
+	CRIT_END;
+
 	DBGL3(L3_T_MSG, "T310_stop", ("cr = %d\n", cd->cr));
 }
 
@@ -316,8 +360,12 @@ T313_timeout(call_desc_t *cd)
 void
 T313_start(call_desc_t *cd)
 {
+	if (cd->T313 == TIMER_ACTIVE)
+		return;
+		
 	DBGL3(L3_T_MSG, "T313_start", ("cr = %d\n", cd->cr));
 	cd->T313 = TIMER_ACTIVE;
+
 #if defined(__FreeBSD_version) && __FreeBSD_version >= 300001
 	cd->T313_callout = timeout((TIMEOUT_FUNC_T)T313_timeout, (void *)cd, T313VAL);
 #else
@@ -331,6 +379,9 @@ T313_start(call_desc_t *cd)
 void
 T313_stop(call_desc_t *cd)
 {
+	CRIT_VAR;
+	CRIT_BEG;
+	
 	if(cd->T313 != TIMER_IDLE)
 	{
 		cd->T313 = TIMER_IDLE;
@@ -340,6 +391,8 @@ T313_stop(call_desc_t *cd)
 		untimeout((TIMEOUT_FUNC_T)T313_timeout, (void *)cd);
 #endif
 	}
+	CRIT_END;
+	
 	DBGL3(L3_T_MSG, "T313_stop", ("cr = %d\n", cd->cr));
 }
 
diff --git a/sys/i4b/layer3/i4b_l4if.c b/sys/i4b/layer3/i4b_l4if.c
index 3f0c0cb..46210d6 100644
--- a/sys/i4b/layer3/i4b_l4if.c
+++ b/sys/i4b/layer3/i4b_l4if.c
@@ -27,9 +27,9 @@
  *	i4b_l4if.c - Layer 3 interface to Layer 4
  *	-------------------------------------------
  *
- *	$Id: i4b_l4if.c,v 1.18 1999/02/14 09:45:01 hm Exp $ 
+ *	$Id: i4b_l4if.c,v 1.19 1999/04/27 14:47:58 hm Exp $ 
  *
- *      last edit-date: [Sun Feb 14 10:33:44 1999]
+ *      last edit-date: [Tue Apr 27 16:46:51 1999]
  *
  *---------------------------------------------------------------------------*/
 
@@ -304,7 +304,7 @@ n_connect_response(u_int cdid, int response, int cause)
 	}
 	else
 	{
-		DBGL3(L3_ERR, "n_connect_response", ("ERROR, invalid channel %d\n", cd->channelid));
+		DBGL3(L3_MSG, "n_connect_response", ("Warning, invalid channelid %d, response = %d\n", cd->channelid, response));
 	}
 }
 
diff --git a/sys/i4b/layer3/i4b_q931.c b/sys/i4b/layer3/i4b_q931.c
index 64ce766..6e02565 100644
--- a/sys/i4b/layer3/i4b_q931.c
+++ b/sys/i4b/layer3/i4b_q931.c
@@ -27,9 +27,9 @@
  *	i4b_q931.c - Q931 received messages handling
  *	--------------------------------------------
  *
- *	$Id: i4b_q931.c,v 1.19 1999/02/14 09:45:02 hm Exp $ 
+ *	$Id: i4b_q931.c,v 1.21 1999/04/27 10:08:13 hm Exp $ 
  *
- *      last edit-date: [Sun Feb 14 10:33:50 1999]
+ *      last edit-date: [Tue Apr 27 12:04:35 1999]
  *
  *---------------------------------------------------------------------------*/
 
@@ -270,7 +270,7 @@ i4b_decode_q931_cs0_ie(int unit, call_desc_t *cd, int msg_len, u_char *msg_ptr)
 		/* single byte IE's */
 		
 		case IEI_SENDCOMPL:
-			DBGL3(L3_P_MSG, "i4b_decode_q931_codeset0", ("IEI_SENDCOMPL\n"));
+			DBGL3(L3_P_MSG, "i4b_decode_q931_cs0_ie", ("IEI_SENDCOMPL\n"));
 			return(1);
 			break;
 
@@ -283,17 +283,17 @@ i4b_decode_q931_cs0_ie(int unit, call_desc_t *cd, int msg_len, u_char *msg_ptr)
 				case 0x89:	/* restricted digital info */
 				case 0x90:	/* 3.1KHz audio */
 /* XXX */				cd->bprot = BPROT_NONE;
-					DBGL3(L3_P_MSG, "i4b_decode_q931_codeset0", ("IEI_BEARERCAP - Telephony\n"));
+					DBGL3(L3_P_MSG, "i4b_decode_q931_cs0_ie", ("IEI_BEARERCAP - Telephony\n"));
 					break;
 
 				case 0x88:	/* unrestricted digital info */
 /* XXX */				cd->bprot = BPROT_RHDLC;
-					DBGL3(L3_P_MSG, "i4b_decode_q931_codeset0", ("IEI_BEARERCAP - Raw HDLC\n"));
+					DBGL3(L3_P_MSG, "i4b_decode_q931_cs0_ie", ("IEI_BEARERCAP - Raw HDLC\n"));
 					break;
 
 				default:
 /* XXX */				cd->bprot = BPROT_NONE;
-					DBGL3(L3_P_MSG, "i4b_decode_q931_codeset0", ("IEI_BEARERCAP - No Protocol\n"));
+					DBGL3(L3_P_MSG, "i4b_decode_q931_cs0_ie", ("IEI_BEARERCAP - No Protocol\n"));
 					break;
 			}
 			break;
@@ -302,12 +302,12 @@ i4b_decode_q931_cs0_ie(int unit, call_desc_t *cd, int msg_len, u_char *msg_ptr)
 			if(msg_ptr[2] & 0x80)
 			{
 				cd->cause_in = msg_ptr[3] & 0x7f;
-				DBGL3(L3_P_MSG, "i4b_decode_q931_codeset0", ("IEI_CAUSE = %d\n", msg_ptr[3] & 0x7f));
+				DBGL3(L3_P_MSG, "i4b_decode_q931_cs0_ie", ("IEI_CAUSE = %d\n", msg_ptr[3] & 0x7f));
 			}
 			else
 			{
 				cd->cause_in = msg_ptr[4] & 0x7f;
-				DBGL3(L3_P_MSG, "i4b_decode_q931_codeset0", ("IEI_CAUSE = %d\n", msg_ptr[4] & 0x7f));
+				DBGL3(L3_P_MSG, "i4b_decode_q931_cs0_ie", ("IEI_CAUSE = %d\n", msg_ptr[4] & 0x7f));
 			}
 			break;
 	
@@ -315,7 +315,7 @@ i4b_decode_q931_cs0_ie(int unit, call_desc_t *cd, int msg_len, u_char *msg_ptr)
 			if((msg_ptr[2] & 0xf4) != 0x80)
 			{
 				cd->channelid = CHAN_NO;
-				DBGL3(L3_P_ERR, "i4b_decode_q931_codeset0", ("IEI_CHANNELID, unsupported value 0x%x\n", msg_ptr[2]));
+				DBGL3(L3_P_ERR, "i4b_decode_q931_cs0_ie", ("IEI_CHANNELID, unsupported value 0x%x\n", msg_ptr[2]));
 			}
 			else
 			{
@@ -336,7 +336,7 @@ i4b_decode_q931_cs0_ie(int unit, call_desc_t *cd, int msg_len, u_char *msg_ptr)
 				}
 				cd->channelexcl = (msg_ptr[2] & 0x08) >> 3;
 
-				DBGL3(L3_P_MSG, "i4b_decode_q931_codeset0", ("IEI_CHANNELID - channel %d, exclusive = %d\n", cd->channelid, cd->channelexcl));
+				DBGL3(L3_P_MSG, "i4b_decode_q931_cs0_ie", ("IEI_CHANNELID - channel %d, exclusive = %d\n", cd->channelid, cd->channelexcl));
 
 				/* if this is a setup message, reserve channel */
 				
@@ -347,15 +347,15 @@ i4b_decode_q931_cs0_ie(int unit, call_desc_t *cd, int msg_len, u_char *msg_ptr)
 						if(ctrl_desc[cd->controller].bch_state[cd->channelid] == BCH_ST_FREE)
 							ctrl_desc[cd->controller].bch_state[cd->channelid] = BCH_ST_RSVD;
 						else
-							DBGL3(L3_P_ERR, "i4b_decode_q931_codeset0", ("IE ChannelID, Channel NOT free!!\n"));
+							DBGL3(L3_P_ERR, "i4b_decode_q931_cs0_ie", ("IE ChannelID, Channel NOT free!!\n"));
 					}
 					else if(cd->channelid == CHAN_NO)
 					{
-						DBGL3(L3_P_MSG, "i4b_decode_q931_codeset0", ("IE ChannelID, SETUP with channel = No channel (CW)\n"));
+						DBGL3(L3_P_MSG, "i4b_decode_q931_cs0_ie", ("IE ChannelID, SETUP with channel = No channel (CW)\n"));
 					}
 					else /* cd->channelid == CHAN_ANY */
 					{
-						DBGL3(L3_P_ERR, "i4b_decode_q931_codeset0", ("ERROR: IE ChannelID, SETUP with channel = Any channel!\n"));
+						DBGL3(L3_P_ERR, "i4b_decode_q931_cs0_ie", ("ERROR: IE ChannelID, SETUP with channel = Any channel!\n"));
 					}
 				}
 			}
@@ -374,29 +374,29 @@ i4b_decode_q931_cs0_ie(int unit, call_desc_t *cd, int msg_len, u_char *msg_ptr)
 				cd->src_telno[min(TELNO_MAX, msg_ptr[1] - 2)] = '\0';
 				cd->scr_ind = (msg_ptr[3] & 0x03) + SCR_USR_NOSC;
 			}
-			DBGL3(L3_P_MSG, "i4b_decode_q931_codeset0", ("IEI_CALLINGPN = %s\n", cd->src_telno));
+			DBGL3(L3_P_MSG, "i4b_decode_q931_cs0_ie", ("IEI_CALLINGPN = %s\n", cd->src_telno));
 			break;
 	
 		case IEI_CALLEDPN:	/* called party number */
 			memcpy(cd->dst_telno, &msg_ptr[3], min(TELNO_MAX, msg_ptr[1]-1));
 			cd->dst_telno[min(TELNO_MAX, msg_ptr [1] - 1)] = '\0';
-			DBGL3(L3_P_MSG, "i4b_decode_q931_codeset0", ("IEI_CALLED = %s\n", cd->dst_telno)); 
+			DBGL3(L3_P_MSG, "i4b_decode_q931_cs0_ie", ("IEI_CALLED = %s\n", cd->dst_telno)); 
 			break;
 	
 		case IEI_CALLSTATE:	/* call state		*/
 			cd->call_state = msg_ptr[2] & 0x3f;		
-			DBGL3(L3_P_MSG, "i4b_decode_q931_codeset0", ("IEI_CALLSTATE = %d\n", cd->call_state));
+			DBGL3(L3_P_MSG, "i4b_decode_q931_cs0_ie", ("IEI_CALLSTATE = %d\n", cd->call_state));
 			break;
 			
 		case IEI_PROGRESSI:	/* progress indicator	*/
-			DBGL3(L3_P_MSG, "i4b_decode_q931_codeset0", ("IEI_PROGRESSINDICATOR\n"));
+			DBGL3(L3_P_MSG, "i4b_decode_q931_cs0_ie", ("IEI_PROGRESSINDICATOR\n"));
 			break;
 			
 		case IEI_DISPLAY:	/* display		*/
 			/* CHANGED BY <chris@medis.de> */
 			memcpy(cd->display, &msg_ptr[2], min(DISPLAY_MAX, msg_ptr[1]));
 			cd->display[min(DISPLAY_MAX, msg_ptr[1])] = '\0';
-			DBGL3(L3_P_MSG, "i4b_decode_q931_codeset0", ("IEI_DISPLAY = %s\n", cd->display));
+			DBGL3(L3_P_MSG, "i4b_decode_q931_cs0_ie", ("IEI_DISPLAY = %s\n", cd->display));
   			break;
 			
 		case IEI_DATETIME:	/* date/time		*/
@@ -408,33 +408,41 @@ i4b_decode_q931_cs0_ie(int unit, call_desc_t *cd, int msg_len, u_char *msg_ptr)
 			for(j = msg_ptr[1]; j > 0; j--, i++)
 				sprintf(p+strlen(p), "%02d", msg_ptr[i]);
 			
-			DBGL3(L3_P_MSG, "i4b_decode_q931_codeset0", ("IEI_DATETIME = %s\n", cd->datetime));
+			DBGL3(L3_P_MSG, "i4b_decode_q931_cs0_ie", ("IEI_DATETIME = %s\n", cd->datetime));
 			break;
 			
 		case IEI_FACILITY:	/* facility		*/
-			DBGL3(L3_P_MSG, "i4b_decode_q931_codeset0", ("IEI_FACILITY\n"));
+			DBGL3(L3_P_MSG, "i4b_decode_q931_cs0_ie", ("IEI_FACILITY\n"));
 			if(i4b_aoc(msg_ptr, cd) > -1)
 				i4b_l4_charging_ind(cd);
 			break;
 			
 		case IEI_CONCTDNO:	/* connected number	*/
-			DBGL3(L3_P_MSG, "i4b_decode_q931_codeset0", ("IEI_CONCTDNO\n"));
+			DBGL3(L3_P_MSG, "i4b_decode_q931_cs0_ie", ("IEI_CONCTDNO\n"));
 			break;
 			
 		case IEI_NETSPCFAC:	/* network specific fac */
-			DBGL3(L3_P_MSG, "i4b_decode_q931_codeset0", ("IEI_NETSPCFAC\n"));
+			DBGL3(L3_P_MSG, "i4b_decode_q931_cs0_ie", ("IEI_NETSPCFAC\n"));
 			break;
 			
 		case IEI_LLCOMPAT:	/* low layer compat	*/
-			DBGL3(L3_P_MSG, "i4b_decode_q931_codeset0", ("IEI_LLCOMPAT\n"));
+			DBGL3(L3_P_MSG, "i4b_decode_q931_cs0_ie", ("IEI_LLCOMPAT\n"));
 			break;
 			
 		case IEI_HLCOMPAT:	/* high layer compat	*/
-			DBGL3(L3_P_MSG, "i4b_decode_q931_codeset0", ("IEI_HLCOMPAT\n"));
+			DBGL3(L3_P_MSG, "i4b_decode_q931_cs0_ie", ("IEI_HLCOMPAT\n"));
+			break;
+			
+		case IEI_CALLINGPS:	/* calling party subaddress */
+			DBGL3(L3_P_MSG, "i4b_decode_q931_cs0_ie", ("IEI_CALLINGPS\n"));
+			break;
+			
+		case IEI_CALLEDPS:	/* called party subaddress */
+			DBGL3(L3_P_MSG, "i4b_decode_q931_cs0_ie", ("IEI_CALLEDPS\n"));
 			break;
 			
 		default:
-			DBGL3(L3_P_ERR, "i4b_decode_q931_codeset0", ("Unknown IE %d - ", *msg_ptr));
+			DBGL3(L3_P_ERR, "i4b_decode_q931_cs0_ie", ("Unknown IE %d - ", *msg_ptr));
 			i4b_print_frame(msg_ptr[1]+2, msg_ptr);
 			break;
 	}
diff --git a/sys/i4b/layer4/i4b_i4bdrv.c b/sys/i4b/layer4/i4b_i4bdrv.c
index 173b5a4..a28dd67 100644
--- a/sys/i4b/layer4/i4b_i4bdrv.c
+++ b/sys/i4b/layer4/i4b_i4bdrv.c
@@ -27,14 +27,21 @@
  *	i4b_i4bdrv.c - i4b userland interface driver
  *	--------------------------------------------
  *
- *	$Id: i4b_i4bdrv.c,v 1.3 1999/03/07 16:08:20 hm Exp $ 
+ *	$Id: i4b_i4bdrv.c,v 1.44 1999/05/06 08:24:45 hm Exp $ 
  *
- *      last edit-date: [Mon Feb 15 10:36:25 1999]
+ *      last edit-date: [Thu May  6 10:05:01 1999]
  *
  *---------------------------------------------------------------------------*/
 
 #include "i4b.h"
 #include "i4bipr.h"
+#include "i4btel.h"
+
+#ifdef __bsdi__
+#include "ibc.h"
+#else
+#include "i4bisppp.h"
+#endif
 
 #if NI4B > 1
 #error "only 1 (one) i4b device possible!"
@@ -86,9 +93,7 @@
 
 #include <i4b/layer4/i4b_l4.h>
 
-#if (defined(__FreeBSD__) && (!defined(__FreeBSD_version) || __FreeBSD_version < 300001)) || defined(__bsdi__)
-/* do nothing */
-#else
+#ifdef OS_USES_POLL
 #include <sys/poll.h>
 #endif
 
@@ -103,32 +108,37 @@ static void *devfs_token;
 #endif
 
 #ifndef __FreeBSD__
+
 #define	PDEVSTATIC	/* - not static - */
 PDEVSTATIC void i4battach __P((void));
 PDEVSTATIC int i4bopen __P((dev_t dev, int flag, int fmt, struct proc *p));
 PDEVSTATIC int i4bclose __P((dev_t dev, int flag, int fmt, struct proc *p));
 PDEVSTATIC int i4bread __P((dev_t dev, struct uio *uio, int ioflag));
+
 #ifdef __bsdi__
 PDEVSTATIC int i4bioctl __P((dev_t dev, u_long cmd, caddr_t data, int flag, struct proc *p));
 #else
 PDEVSTATIC int i4bioctl __P((dev_t dev, int cmd, caddr_t data, int flag, struct proc *p));
 #endif
-PDEVSTATIC int i4bpoll __P((dev_t dev, int events, struct proc *p));
 
-#if defined (__OpenBSD__) || defined(__bsdi__)
-PDEVSTATIC int i4bselect(dev_t dev, int rw, struct proc *p);
+#ifdef OS_USES_POLL
+PDEVSTATIC int i4bpoll __P((dev_t dev, int events, struct proc *p));
+#else
+PDEVSTATIC int i4bselect __P((dev_t dev, int rw, struct proc *p));
 #endif
 
-#endif
+#endif /* #ifndef __FreeBSD__ */
 
 #if BSD > 199306 && defined(__FreeBSD__)
+
 #define PDEVSTATIC	static
 
 PDEVSTATIC	d_open_t	i4bopen;
 PDEVSTATIC	d_close_t	i4bclose;
 PDEVSTATIC	d_read_t	i4bread;
 PDEVSTATIC	d_ioctl_t	i4bioctl;
-#if defined(__FreeBSD_version) && __FreeBSD_version >= 300001
+
+#ifdef OS_USES_POLL
 PDEVSTATIC	d_poll_t	i4bpoll;
 #else
 PDEVSTATIC	d_select_t	i4bselect;
@@ -138,7 +148,7 @@ PDEVSTATIC	d_select_t	i4bselect;
 static struct cdevsw i4b_cdevsw = 
 	{ i4bopen,	i4bclose,	i4bread,	nowrite,
 	  i4bioctl,	nostop,		nullreset,	nodevtotty,
-#if defined(__FreeBSD_version) && __FreeBSD_version >= 300001
+#ifdef OS_USES_POLL
 	  i4bpoll,	nommap,		NULL,	"i4b", NULL,	-1 };
 #else
 	  i4bselect,	nommap,		NULL,	"i4b", NULL,	-1 };
@@ -414,7 +424,7 @@ i4bioctl(dev_t dev, int cmd, caddr_t data, int flag, struct proc *p)
 			cd->driver_unit = mcrsp->driver_unit;
 			cd->max_idle_time = mcrsp->max_idle_time;
 
-			cd->shorthold_data.shorthold_algorithm = msg_alg__fix_unit_size;
+			cd->shorthold_data.shorthold_algorithm = SHA_FIXU;
 			cd->shorthold_data.unitlen_time = 0;	/* this is incoming */
 			cd->shorthold_data.idle_time = 0;
 			cd->shorthold_data.earlyhup_time = 0;
@@ -482,18 +492,40 @@ i4bioctl(dev_t dev, int cmd, caddr_t data, int flag, struct proc *p)
 		
 		case I4B_DIALOUT_RESP:
 		{
+			drvr_link_t *dlt = NULL;
 			msg_dialout_resp_t *mdrsp;
 			
 			mdrsp = (msg_dialout_resp_t *)data;
 
-#if NI4BIPR > 0
-			if(mdrsp->driver == BDRV_IPR)
+			switch(mdrsp->driver)
 			{
-				drvr_link_t *dlt;
-				dlt = ipr_ret_linktab(mdrsp->driver_unit);
-				(*dlt->dial_response)(mdrsp->driver_unit, mdrsp->stat);
-			}
+#if NI4BIPR > 0
+				case BDRV_IPR:
+					dlt = ipr_ret_linktab(mdrsp->driver_unit);
+					break;
+#endif					
+
+#if NI4BISPPP > 0
+				case BDRV_ISPPP:
+					dlt = i4bisppp_ret_linktab(mdrsp->driver_unit);
+					break;
+#endif
+
+#if NI4BTEL > 0
+				case BDRV_TEL:
+					dlt = tel_ret_linktab(mdrsp->driver_unit);
+					break;
+#endif
+
+#if NIBC > 0
+				case BDRV_IBC:
+					dlt = ibc_ret_linktab(mdrsp->driver_unit);
+					break;
 #endif
+			}
+
+			if(dlt != NULL)		
+				(*dlt->dial_response)(mdrsp->driver_unit, mdrsp->stat, mdrsp->cause);
 			break;
 		}
 		
@@ -509,6 +541,7 @@ i4bioctl(dev_t dev, int cmd, caddr_t data, int flag, struct proc *p)
 			DBGL4(L4_TIMO, "i4bioctl", ("I4B_TIMEOUT_UPD ioctl, alg %d, unit %d, idle %d, early %d!\n",
 					mtu->shorthold_data.shorthold_algorithm, mtu->shorthold_data.unitlen_time,
 					mtu->shorthold_data.idle_time, mtu->shorthold_data.earlyhup_time )); 
+
 			if((cd = cd_by_cdid(mtu->cdid)) == NULL)/* get cd */
 			{
 				DBGL4(L4_ERR, "i4bioctl", ("I4B_TIMEOUT_UPD ioctl, cdid not found!\n")); 
@@ -518,53 +551,49 @@ i4bioctl(dev_t dev, int cmd, caddr_t data, int flag, struct proc *p)
 
 			switch( mtu->shorthold_data.shorthold_algorithm )
 			{
-
-			case msg_alg__fix_unit_size:
-				/*
-				 *	For this algorithm
-				 *	unitlen_time, idle_time and earlyhup_time
-				 *	are used.
-				 */
-				if( mtu->shorthold_data.unitlen_time >= 0
-				    && mtu->shorthold_data.idle_time > 0
-				    && mtu->shorthold_data.earlyhup_time >= 0 )
-				{
+				case SHA_FIXU:
+					/*
+					 * For this algorithm unitlen_time,
+					 * idle_time and earlyhup_time are used.
+					 */
+
+					if(!(mtu->shorthold_data.unitlen_time >= 0 &&
+					     mtu->shorthold_data.idle_time >= 0    &&
+					     mtu->shorthold_data.earlyhup_time >= 0))
+					{
+						DBGL4(L4_ERR, "i4bioctl", ("I4B_TIMEOUT_UPD ioctl, invalid args for fix unit algorithm!\n")); 
+						error = EINVAL;
+					}
 					break;
-				}
-
-				DBGL4(L4_ERR, "i4bioctl", ("I4B_TIMEOUT_UPD ioctl, invalid args for fix unit algorithm!\n")); 
-				error = EINVAL;
-				break;
-
-			case msg_alg__var_unit_size:
-				/*
-				 *	For this algorithm
-				 *	unitlen_time and idle_time are used
-				 *	both must be positive integers
-				 *	earlyhup_time is not used and must be 0.
-				 */
-				if( mtu->shorthold_data.unitlen_time > 0
-				    && mtu->shorthold_data.idle_time > 0
-				    && mtu->shorthold_data.earlyhup_time == 0 )
-				{
+	
+				case SHA_VARU:
+					/*
+					 * For this algorithm unitlen_time and
+					 * idle_time are used. both must be
+					 * positive integers. earlyhup_time is
+					 * not used and must be 0.
+					 */
+
+					if(!(mtu->shorthold_data.unitlen_time > 0 &&
+					     mtu->shorthold_data.idle_time >= 0   &&
+					     mtu->shorthold_data.earlyhup_time == 0))
+					{
+						DBGL4(L4_ERR, "i4bioctl", ("I4B_TIMEOUT_UPD ioctl, invalid args for var unit algorithm!\n")); 
+						error = EINVAL;
+					}
+					break;
+	
+				default:
+					DBGL4(L4_ERR, "i4bioctl", ("I4B_TIMEOUT_UPD ioctl, invalid algorithm!\n")); 
+					error = EINVAL;
 					break;
-				}
-
-				DBGL4(L4_ERR, "i4bioctl", ("I4B_TIMEOUT_UPD ioctl, invalid args for var unit algorithm!\n")); 
-				error = EINVAL;
-				break;
-
-			default:
-				DBGL4(L4_ERR, "i4bioctl", ("I4B_TIMEOUT_UPD ioctl, invalid algorithm!\n")); 
-				error = EINVAL;
-				break;
 			}
 
 			/*
 			 * any error set above requires us to break
-			 * out of the outter switch
+			 * out of the outer switch
 			 */
-			if( error != 0 )
+			if(error != 0)
 				break;
 
 			x = SPLI4B();
@@ -769,9 +798,7 @@ diag_done:
 	return(error);
 }
 
-#if (defined(__FreeBSD__) && \
-        (!defined(__FreeBSD_version) || (__FreeBSD_version < 300001))) \
-	|| defined (__OpenBSD__) || defined(__bsdi__)
+#ifdef OS_USES_SELECT
 
 /*---------------------------------------------------------------------------*
  *	i4bselect - device driver select routine
@@ -803,7 +830,7 @@ i4bselect(dev_t dev, int rw, struct proc *p)
 	return(0);
 }
 
-#else /* NetBSD and FreeBSD -current */
+#else /* OS_USES_SELECT */
 
 /*---------------------------------------------------------------------------*
  *	i4bpoll - device driver poll routine
@@ -835,7 +862,7 @@ i4bpoll(dev_t dev, int events, struct proc *p)
 	return(0);
 }
 
-#endif /* defined(__FreeBSD__) && __FreeBSD__ < 3 */
+#endif /* OS_USES_SELECT */
 
 /*---------------------------------------------------------------------------*
  *	i4bputqueue - put message into queue to userland
diff --git a/sys/i4b/layer4/i4b_l4.c b/sys/i4b/layer4/i4b_l4.c
index 1f87461..3396085 100644
--- a/sys/i4b/layer4/i4b_l4.c
+++ b/sys/i4b/layer4/i4b_l4.c
@@ -27,9 +27,9 @@
  *	i4b_l4.c - kernel interface to userland
  *	-----------------------------------------
  *
- *	$Id: i4b_l4.c,v 1.36 1999/02/15 09:55:48 hm Exp $ 
+ *	$Id: i4b_l4.c,v 1.39 1999/04/08 16:37:56 hm Exp $ 
  *
- *      last edit-date: [Mon Feb 15 10:42:37 1999]
+ *      last edit-date: [Thu Apr  8 17:31:52 1999]
  *
  *---------------------------------------------------------------------------*/
 
@@ -84,6 +84,10 @@ struct ctrl_type_desc ctrl_types[CTRL_NUMTYPES] = { { NULL, NULL} };
 static int i4b_link_bchandrvr(call_desc_t *cd);
 static void i4b_unlink_bchandrvr(call_desc_t *cd);
 static void i4b_l4_setup_timeout(call_desc_t *cd);
+static void i4b_idle_check_fix_unit(call_desc_t *cd);
+static void i4b_idle_check_var_unit(call_desc_t *cd);
+static void i4b_l4_setup_timeout_fix_unit(call_desc_t *cd);
+static void i4b_l4_setup_timeout_var_unit(call_desc_t *cd);
 
 /*---------------------------------------------------------------------------*
  *	send MSG_PDEACT_IND message to userland
@@ -209,6 +213,33 @@ i4b_l4_dialout(int driver, int driver_unit)
 }
 
 /*---------------------------------------------------------------------------*
+ *	send MSG_DIALOUTNUMBER_IND message to userland
+ *---------------------------------------------------------------------------*/
+void
+i4b_l4_dialoutnumber(int driver, int driver_unit, int cmdlen, char *cmd)
+{
+	struct mbuf *m;
+
+	if((m = i4b_Dgetmbuf(sizeof(msg_dialoutnumber_ind_t))) != NULL)
+	{
+		msg_dialoutnumber_ind_t *md = (msg_dialoutnumber_ind_t *)m->m_data;
+
+		md->header.type = MSG_DIALOUTNUMBER_IND;
+		md->header.cdid = -1;
+
+		md->driver = driver;
+		md->driver_unit = driver_unit;
+
+		if(cmdlen > TELNO_MAX)
+			cmdlen = TELNO_MAX;
+
+		md->cmdlen = cmdlen;
+		bcopy(cmd, md->cmd, cmdlen);
+		i4bputqueue(m);
+	}
+}
+
+/*---------------------------------------------------------------------------*
  *	send MSG_NEGOTIATION_COMPL message to userland
  *---------------------------------------------------------------------------*/
 void
@@ -703,10 +734,7 @@ idletime_state:      IST_NONCHK             IST_CHECK       IST_SAFE
 
 /*---------------------------------------------------------------------------*
  *	B channel idle check timeout setup
- *---------------------------------------------------------------------------*/
-static void i4b_l4_setup_timeout_fix_unit(call_desc_t *cd);
-static void i4b_l4_setup_timeout_var_unit(call_desc_t *cd);
-
+ *---------------------------------------------------------------------------*/ 
 static void
 i4b_l4_setup_timeout(call_desc_t *cd)
 {
@@ -731,13 +759,14 @@ i4b_l4_setup_timeout(call_desc_t *cd)
 	{
 		switch( cd->shorthold_data.shorthold_algorithm )
 		{
-		  default:	/* fall into the old fix algorithm */
-		  case msg_alg__fix_unit_size:
-			i4b_l4_setup_timeout_fix_unit( cd );
-			break;
-		  case msg_alg__var_unit_size:
-			i4b_l4_setup_timeout_var_unit( cd );
-			break;
+			default:	/* fall into the old fix algorithm */
+			case SHA_FIXU:
+				i4b_l4_setup_timeout_fix_unit( cd );
+				break;
+				
+			case SHA_VARU:
+				i4b_l4_setup_timeout_var_unit( cd );
+				break;
 		}
 	}
 	else
@@ -746,6 +775,9 @@ i4b_l4_setup_timeout(call_desc_t *cd)
 	}
 }
 
+/*---------------------------------------------------------------------------*
+ *	fixed unit algorithm B channel idle check timeout setup
+ *---------------------------------------------------------------------------*/
 static void
 i4b_l4_setup_timeout_fix_unit(call_desc_t *cd)
 {
@@ -792,6 +824,9 @@ i4b_l4_setup_timeout_fix_unit(call_desc_t *cd)
 	}
 }
 
+/*---------------------------------------------------------------------------*
+ *	variable unit algorithm B channel idle check timeout setup
+ *---------------------------------------------------------------------------*/
 static void
 i4b_l4_setup_timeout_var_unit(call_desc_t *cd)
 {
@@ -816,10 +851,7 @@ i4b_l4_setup_timeout_var_unit(call_desc_t *cd)
 
 /*---------------------------------------------------------------------------*
  *	B channel idle check timeout function
- *---------------------------------------------------------------------------*/
-static void i4b_idle_check_fix_unit(call_desc_t *cd);
-static void i4b_idle_check_var_unit(call_desc_t *cd);
-
+ *---------------------------------------------------------------------------*/ 
 void
 i4b_idle_check(call_desc_t *cd)
 {
@@ -855,6 +887,7 @@ i4b_idle_check(call_desc_t *cd)
 		else
 		{
 			DBGL4(L4_TIMO, "i4b_idle_check", ("%ld: incoming-call, activity, last_active=%ld, max_idle=%ld\n", (long)SECOND, (long)cd->last_active_time, (long)cd->max_idle_time));
+
 #if defined(__FreeBSD_version) && __FreeBSD_version >= 300001
 			cd->idle_timeout_handle =
 #endif
@@ -869,22 +902,25 @@ i4b_idle_check(call_desc_t *cd)
 	{
 		switch( cd->shorthold_data.shorthold_algorithm )
 		{
-		  case msg_alg__fix_unit_size:
-			i4b_idle_check_fix_unit( cd );
-			break;
-		  case msg_alg__var_unit_size:
-			i4b_idle_check_var_unit( cd );
-			break;
-		  default:
-			DBGL4(L4_TIMO, "i4b_idle_check", ("%ld: bad value for shorthold_algorithm of %d\n",
-				(long)SECOND, cd->shorthold_data.shorthold_algorithm ));
-			i4b_idle_check_fix_unit( cd );
-			break;
+			case SHA_FIXU:
+				i4b_idle_check_fix_unit( cd );
+				break;
+			case SHA_VARU:
+				i4b_idle_check_var_unit( cd );
+				break;
+			default:
+				DBGL4(L4_TIMO, "i4b_idle_check", ("%ld: bad value for shorthold_algorithm of %d\n",
+					(long)SECOND, cd->shorthold_data.shorthold_algorithm ));
+				i4b_idle_check_fix_unit( cd );
+				break;
 		}
 	}
 	splx(s);
 }
 
+/*---------------------------------------------------------------------------*
+ *	fixed unit algorithm B channel idle check timeout function
+ *---------------------------------------------------------------------------*/
 static void
 i4b_idle_check_fix_unit(call_desc_t *cd)
 {
@@ -979,6 +1015,9 @@ i4b_idle_check_fix_unit(call_desc_t *cd)
 	}
 }
 
+/*---------------------------------------------------------------------------*
+ *	variable unit algorithm B channel idle check timeout function
+ *---------------------------------------------------------------------------*/
 static void
 i4b_idle_check_var_unit(call_desc_t *cd)
 {
@@ -1011,7 +1050,7 @@ i4b_idle_check_var_unit(call_desc_t *cd)
 		DBGL4(L4_ERR, "i4b_idle_check", ("outgoing-call: var idle timeout invalid idletime_state value!\n"));
 		cd->idletime_state = IST_IDLE;
 		break;
-		}
+	}
 }
 
 #endif /* NI4B > 0 */
diff --git a/sys/i4b/layer4/i4b_l4.h b/sys/i4b/layer4/i4b_l4.h
index d88e64c..5d011b4 100644
--- a/sys/i4b/layer4/i4b_l4.h
+++ b/sys/i4b/layer4/i4b_l4.h
@@ -27,9 +27,9 @@
  *	i4b_l4.h - kernel interface to userland header file
  *	---------------------------------------------------
  *
- *	$Id: i4b_l4.h,v 1.14 1999/02/14 09:45:02 hm Exp $ 
+ *	$Id: i4b_l4.h,v 1.15 1999/03/18 14:33:41 hm Exp $ 
  *
- *      last edit-date: [Sun Feb 14 10:35:08 1999]
+ *      last edit-date: [Wed Mar 17 16:20:10 1999]
  *
  *---------------------------------------------------------------------------*/
 
@@ -46,6 +46,7 @@ extern void i4b_l4_connect_ind ( call_desc_t *cd );
 extern void i4b_l4_daemon_attached(void);
 extern void i4b_l4_daemon_detached(void);
 extern void i4b_l4_dialout( int driver, int driver_unit );
+extern void i4b_l4_dialoutnumber(int driver, int driver_unit, int cmdlen, char *cmd);
 extern void i4b_l4_disconnect_ind ( call_desc_t *cd );
 extern void i4b_l4_drvrdisc (int driver, int driver_unit );
 extern void i4b_l4_negcomplete( call_desc_t *cd );
diff --git a/sys/i4b/layer4/i4b_l4timer.c b/sys/i4b/layer4/i4b_l4timer.c
index ddc0256..02bd758 100644
--- a/sys/i4b/layer4/i4b_l4timer.c
+++ b/sys/i4b/layer4/i4b_l4timer.c
@@ -27,9 +27,9 @@
  *	i4b_l4timer.c - timer and timeout handling for layer 4
  *	--------------------------------------------------------
  *
- *	$Id: i4b_l4timer.c,v 1.11 1999/02/14 09:45:02 hm Exp $ 
+ *	$Id: i4b_l4timer.c,v 1.13 1999/04/21 07:50:31 hm Exp $ 
  *
- *      last edit-date: [Sun Feb 14 10:35:20 1999]
+ *      last edit-date: [Wed Apr 21 09:49:08 1999]
  *
  *---------------------------------------------------------------------------*/
 
@@ -78,9 +78,12 @@ T400_timeout(call_desc_t *cd)
 void
 T400_start(call_desc_t *cd)
 {
+	if (cd->T400 == TIMER_ACTIVE)
+		return;
+		
 	DBGL4(L4_MSG, "T400_start", ("cr = %d\n", cd->cr));
-	
 	cd->T400 = TIMER_ACTIVE;
+
 #if defined(__FreeBSD_version) && __FreeBSD_version >= 300001
 	cd->T400_callout = timeout((TIMEOUT_FUNC_T)T400_timeout, (void *)cd, T400DEF);
 #else
@@ -94,17 +97,20 @@ T400_start(call_desc_t *cd)
 void
 T400_stop(call_desc_t *cd)
 {
-	DBGL4(L4_MSG, "T400_stop", ("cr = %d\n", cd->cr));
+	CRIT_VAR;
+	CRIT_BEG;
 
 	if(cd->T400 == TIMER_ACTIVE)
 	{
-		cd->T400 = TIMER_IDLE;
 #if defined(__FreeBSD_version) && __FreeBSD_version >= 300001
 		untimeout((TIMEOUT_FUNC_T)T400_timeout, (void *)cd, cd->T400_callout);
 #else
 		untimeout((TIMEOUT_FUNC_T)T400_timeout, (void *)cd);
 #endif
+		cd->T400 = TIMER_IDLE;
 	}
+	CRIT_END;
+	DBGL4(L4_MSG, "T400_stop", ("cr = %d\n", cd->cr));
 }
 
 #endif /* NI4B > 0 */