Add experimental support for sending keypad facility messages.

MFC after: 2 months

9 files changed, 120 insertions, 152 deletions

diff --git a/sys/i4b/driver/i4b_tel.c b/sys/i4b/driver/i4b_tel.c
index c9a195d..877b560 100644
--- a/sys/i4b/driver/i4b_tel.c
+++ b/sys/i4b/driver/i4b_tel.c
@@ -29,7 +29,7 @@
  *
  * $FreeBSD$
  *
- *	last edit-date: [Tue May  8 10:19:36 2001]
+ *	last edit-date: [Thu Oct 18 13:24:50 2001]
  *
  *---------------------------------------------------------------------------*/
 
@@ -42,13 +42,8 @@
 #include <sys/param.h>
 #include <sys/systm.h>
 
-#if defined(__FreeBSD__) || defined(__NetBSD__)
 #include <sys/ioccom.h>
 #include <sys/poll.h>
-#else
-#include <sys/ioctl.h>
-#include <sys/fcntl.h>
-#endif
 
 #include <sys/conf.h>
 #include <sys/uio.h>
@@ -58,25 +53,13 @@
 #include <net/if.h>
 #include <sys/tty.h>
 
-#ifdef __FreeBSD__
 #ifdef DEVFS
 #include <sys/devfsext.h>
 #endif
-#endif /* __FreeBSD__ */
-
-#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>
@@ -151,37 +134,13 @@ static unsigned char u2a_tab[];
 static unsigned char bitreverse[];
 static u_char sinetab[];
 
-#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 thread *td));
-#else
-PDEVSTATIC int i4btelioctl __P((dev_t dev, int cmd, caddr_t data, int flag, struct thread *td));
-#endif
-
-int i4btelopen __P((dev_t dev, int flag, int fmt, struct thread *td));
-int i4btelclose __P((dev_t dev, int flag, int fmt, struct thread *td));
-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 thread *td));
-#else
-int i4btelsel __P((dev_t dev, int rw, struct thread *td));
-#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;
+PDEVSTATIC d_close_t	i4btelclose;
+PDEVSTATIC d_read_t	i4btelread;
+PDEVSTATIC d_read_t	i4btelwrite;
+PDEVSTATIC d_ioctl_t	i4btelioctl;
 
 #ifdef OS_USES_POLL
 PDEVSTATIC d_poll_t i4btelpoll;
@@ -230,50 +189,11 @@ i4btelinit(void *unused)
 SYSINIT(i4bteldev, SI_SUB_DRIVERS,
 	SI_ORDER_MIDDLE+CDEV_MAJOR, &i4btelinit, NULL);
 
-#endif /* BSD > 199306 && defined(__FreeBSD__) */
-
-#ifdef __bsdi__
-
-int i4btelsel(dev_t dev, int rw, struct thread *td);
-int i4btelmatch(struct device *parent, struct cfdata *cf, void *aux);
-void dummy_i4btelattach(struct device*, struct device *, void *);
-
-#define CDEV_MAJOR 62
-
-static struct cfdriver i4btelcd =
-	{ NULL, "i4btel", i4btelmatch, dummy_i4btelattach, DV_DULL,
-	  sizeof(struct cfdriver) };
-struct devsw i4btelsw = 
-	{ &i4btelcd,
-	  i4btelopen,	i4btelclose,	i4btelread,	i4btelwrite,
-	  i4btelioctl,	i4btelsel,	nommap,		nostrat,
-	  nodump,	nopsize,	0,		nostop
-};
-
-int
-i4btelmatch(struct device *parent, struct cfdata *cf, void *aux)
-{
-	NDBGL4(L4_TELDBG, "aux=0x%x", aux);	
-	return 1;
-}
-
-void
-dummy_i4btelattach(struct device *parent, struct device *self, void *aux)
-{
-	NDBGL4(L4_TELDBG, "aux=0x%x", aux);
-}
-
-#endif /* __bsdi__ */
-
 /*---------------------------------------------------------------------------*
  *	interface attach routine
  *---------------------------------------------------------------------------*/
 PDEVSTATIC void
-#ifdef __FreeBSD__
 i4btelattach(void *dummy)
-#else
-i4btelattach()
-#endif
 {
 	int i, j;
 
@@ -289,7 +209,6 @@ i4btelattach()
 			tel_sc[i][j].wcvttab = 0;
 			tel_sc[i][j].result = 0;
 
-#if defined(__FreeBSD__)
 			switch(j)
 			{
 				case FUNCTEL:	/* normal i4btel device */
@@ -304,7 +223,6 @@ i4btelattach()
 						0600, "i4bteld%d", i);
 					break;
 			}
-#endif
 		}
 		tel_init_linktab(i);		
 	}
@@ -386,13 +304,7 @@ i4btelclose(dev_t dev, int flag, int fmt, struct thread *td)
  *	i4btelioctl - device driver ioctl routine
  *---------------------------------------------------------------------------*/
 PDEVSTATIC int
-#if defined(__FreeBSD__)
-i4btelioctl(dev_t dev, u_long cmd, caddr_t data, int flag, struct thread *td)
-#elif defined(__bsdi__)
 i4btelioctl(dev_t dev, u_long cmd, caddr_t data, int flag, struct thread *td)
-#else
-i4btelioctl(dev_t dev, int cmd, caddr_t data, int flag, struct thread *td)
-#endif
 {
 	int unit = UNIT(dev);
 	int func = FUNC(dev);
@@ -540,6 +452,7 @@ i4btelread(dev_t dev, struct uio *uio, int ioflag)
 			sc->devstate |= ST_RDWAITDATA;
 
 			NDBGL4(L4_TELDBG, "i4btel%d, queue empty!", unit);
+
 #if defined (__FreeBSD__) && __FreeBSD__ > 4
 			if((error = msleep((caddr_t) &sc->isdn_linktab->rx_queue,
 					&sc->isdn_linktab->rx_queue->ifq_mtx,
@@ -675,6 +588,7 @@ i4btelwrite(dev_t dev, struct uio * uio, int ioflag)
 		      (sc->devstate & ST_ISOPEN))
 		{
 			sc->devstate |= ST_WRWAITEMPTY;
+
 #if defined (__FreeBSD__) && __FreeBSD__ > 4	
 			if((error = msleep((caddr_t) &sc->isdn_linktab->tx_queue,
 					&sc->isdn_linktab->tx_queue->ifq_mtx,
@@ -721,6 +635,7 @@ i4btelwrite(dev_t dev, struct uio * uio, int ioflag)
 				/* always reverse bitorder to line */
 				mtod(m,u_char *)[i] = bitreverse[mtod(m,u_char *)[i]];
 			}
+
 #if defined (__FreeBSD__) && __FreeBSD__ > 4			
 			(void) IF_HANDOFF(sc->isdn_linktab->tx_queue, m, NULL);
 #else
@@ -750,6 +665,10 @@ i4btelwrite(dev_t dev, struct uio * uio, int ioflag)
 		{
 			i4b_l4_drvrdisc(BDRV_TEL, unit);
 		}
+		else if(cmdbuf[0] == CMD_KEYP)
+		{
+			i4b_l4_keypad(BDRV_TEL, unit, len-1, &cmdbuf[1]);
+		}
 	}
 	else
 	{
diff --git a/sys/i4b/include/i4b_ioctl.h b/sys/i4b/include/i4b_ioctl.h
index e71c486..8e685e3 100644
--- a/sys/i4b/include/i4b_ioctl.h
+++ b/sys/i4b/include/i4b_ioctl.h
@@ -29,7 +29,7 @@
  *
  * $FreeBSD$
  *
- *      last edit-date: [Sat Jul 21 12:24:56 2001]
+ *      last edit-date: [Thu Oct 18 13:40:40 2001]
  *
  *---------------------------------------------------------------------------*/
 
@@ -46,8 +46,8 @@
  *	version and release number for isdn4bsd package
  *---------------------------------------------------------------------------*/
 #define	VERSION		1		/* version number	*/
-#define	REL		0		/* release number	*/
-#define STEP		1		/* release step		*/
+#define	REL		1		/* release number	*/
+#define STEP		0		/* release step		*/
 
 /*---------------------------------------------------------------------------*
  * date/time format in i4b log messages
@@ -170,6 +170,7 @@
 #define TELNO_MAX	41  /* max length of a telephone number (+ '\0')  */
 #define DISPLAY_MAX	91  /* max length of display information (+ '\0') */
 #define DATETIME_MAX	21  /* max length of datetime information (+ '\0')*/
+#define KEYPAD_MAX	35  /* max length of a keypad string (+ '\0')     */
 
 /*---------------------------------------------------------------------------*
  *	in case the src or dst telephone number is empty
@@ -318,6 +319,7 @@ typedef struct {
 #define	MSG_IFSTATE_CHANGED_IND	'o'
 #define MSG_DIALOUTNUMBER_IND	'p'
 #define MSG_PACKET_IND		'q'
+#define MSG_KEYPAD_IND		'r'
 	int		cdid;		/* call descriptor id		*/
 } msg_hdr_t;
 
@@ -410,6 +412,17 @@ typedef struct {
 } msg_dialoutnumber_ind_t;
 
 /*---------------------------------------------------------------------------*
+ *	send keypad string
+ *---------------------------------------------------------------------------*/
+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[KEYPAD_MAX];/* keypad string	*/	
+} msg_keypad_ind_t;
+
+/*---------------------------------------------------------------------------*
  *	idle timeout disconnect sent indication
  *		kernel has sent disconnect request because of b-ch idle
  *---------------------------------------------------------------------------*/
@@ -556,6 +569,7 @@ typedef struct {
 #define  ULEN_METHOD_DYNAMIC 1	/* use AOCD */	
 	char		dst_telno[TELNO_MAX];	/* destination telephone no  */
 	char		src_telno[TELNO_MAX];	/* source telephone number   */
+	char		keypad[KEYPAD_MAX];	/* keypad string 	     */	
 } msg_connect_req_t;
 
 #define	I4B_CONNECT_REQ	_IOW('4', 1, msg_connect_req_t)
diff --git a/sys/i4b/include/i4b_l3l4.h b/sys/i4b/include/i4b_l3l4.h
index d70a211..64617a2 100644
--- a/sys/i4b/include/i4b_l3l4.h
+++ b/sys/i4b/include/i4b_l3l4.h
@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 1997, 1999 Hellmuth Michaelis. All rights reserved.
+ * Copyright (c) 1997, 2001 Hellmuth Michaelis. All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
  * modification, are permitted provided that the following conditions
@@ -27,11 +27,9 @@
  *	i4b_l3l4.h - layer 3 / layer 4 interface
  *	------------------------------------------
  *
- *	$Id: i4b_l3l4.h,v 1.32 2000/08/24 11:48:57 hm Exp $
- *
  * $FreeBSD$
  *
- *	last edit-date: [Fri Jun  2 14:29:35 2000]
+ *	last edit-date: [Thu Oct 18 13:26:16 2001]
  *
  *---------------------------------------------------------------------------*/
 
@@ -240,7 +238,8 @@ typedef struct
 	int	isdntxdelay;		/* isdn tx delay after connect	*/
 
 	u_char	display[DISPLAY_MAX];	/* display information element	*/
-	char	datetime[DATETIME_MAX];	/* date/time information element*/	
+	char	datetime[DATETIME_MAX];	/* date/time information element*/
+	u_char	keypad[KEYPAD_MAX];	/* keypad facility		*/	
 } call_desc_t;
 
 extern call_desc_t call_desc[N_CALL_DESC];
diff --git a/sys/i4b/include/i4b_tel_ioctl.h b/sys/i4b/include/i4b_tel_ioctl.h
index 0f955af..3b92922 100644
--- a/sys/i4b/include/i4b_tel_ioctl.h
+++ b/sys/i4b/include/i4b_tel_ioctl.h
@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 1997, 2000  Hellmuth Michaelis. All rights reserved.
+ * Copyright (c) 1997, 2001  Hellmuth Michaelis. All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
  * modification, are permitted provided that the following conditions
@@ -27,11 +27,9 @@
  *	i4b_tel_ioctl.h telephony interface ioctls
  *	------------------------------------------
  *
- *	$Id: i4b_tel_ioctl.h,v 1.13 2000/01/12 14:49:36 hm Exp $ 
- *
  * $FreeBSD$
  *
- *      last edit-date: [Wed Jan 12 15:47:11 2000]
+ *      last edit-date: [Wed Oct 17 13:47:03 2001]
  *
  *---------------------------------------------------------------------------*/
 
@@ -83,6 +81,7 @@ struct i4b_tel_tones {
 
 #define CMD_DIAL        'D'     /* dial the following number string */
 #define CMD_HUP         'H'     /* hangup */
+#define CMD_KEYP        'K'     /* send keypad string */
 
 /* dialer responses */
 
diff --git a/sys/i4b/layer3/i4b_l2if.c b/sys/i4b/layer3/i4b_l2if.c
index f6cb507..2c94c31 100644
--- a/sys/i4b/layer3/i4b_l2if.c
+++ b/sys/i4b/layer3/i4b_l2if.c
@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 1997, 2000 Hellmuth Michaelis. All rights reserved.
+ * Copyright (c) 1997, 2001 Hellmuth Michaelis. All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
  * modification, are permitted provided that the following conditions
@@ -27,38 +27,23 @@
  *	i4b_l2if.c - Layer 3 interface to Layer 2
  *	-------------------------------------------
  *
- *	$Id: i4b_l2if.c,v 1.23 2000/08/24 11:48:58 hm Exp $ 
- *
  * $FreeBSD$
  *
- *      last edit-date: [Mon May 29 16:56:22 2000]
+ *      last edit-date: [Thu Oct 18 13:29:19 2001]
  *
  *---------------------------------------------------------------------------*/
 
-#ifdef __FreeBSD__
 #include "i4bq931.h"
-#else
-#define	NI4BQ931	1
-#endif
+
 #if NI4BQ931 > 0
 
 #include <sys/param.h>
 #include <sys/systm.h>
 #include <sys/mbuf.h>
 
-#if defined(__NetBSD__) && __NetBSD_Version__ >= 104230000
-#include <sys/callout.h>
-#endif
-
-#ifdef __FreeBSD__
 #include <machine/i4b_debug.h>
 #include <machine/i4b_ioctl.h>
 #include <machine/i4b_cause.h>
-#else
-#include <i4b/i4b_debug.h>
-#include <i4b/i4b_ioctl.h>
-#include <i4b/i4b_cause.h>
-#endif
 
 #include <i4b/include/i4b_isdnq931.h>
 #include <i4b/include/i4b_l2l3.h>
@@ -435,8 +420,10 @@ i4b_l3_tx_setup(call_desc_t *cd)
 {
 	struct mbuf *m;
 	u_char *ptr;
+	int len;
 	int slen = strlen(cd->src_telno);
 	int dlen = strlen(cd->dst_telno);
+	int klen = strlen(cd->keypad);	
 
 	/*
 	 * there is one additional octet if cd->bprot == BPROT_NONE
@@ -447,8 +434,14 @@ i4b_l3_tx_setup(call_desc_t *cd)
 
 	NDBGL3(L3_PRIM, "unit %d, cr = 0x%02x", ctrl_desc[cd->controller].unit, cd->cr);
 	
-	if((m = i4b_Dgetmbuf(I_FRAME_HDRLEN + MSG_SETUP_LEN + slen + dlen +
-			    (cd->bprot == BPROT_NONE ? 1 : 0))) == NULL)
+	len = 	I_FRAME_HDRLEN		+
+		MSG_SETUP_LEN		+
+		(slen ? (3+slen) : 0)	+
+		(dlen ? (3+dlen) : 0)	+
+		(klen ? (2+klen) : 0)	+
+		(cd->bprot == BPROT_NONE ? 1 : 0);
+
+	if((m = i4b_Dgetmbuf(len)) == NULL)
 	{
 		panic("i4b_l3_tx_setup: can't allocate mbuf\n");
 	}
@@ -511,17 +504,31 @@ i4b_l3_tx_setup(call_desc_t *cd)
 			break;
 	}
 
-	*ptr++ = IEI_CALLINGPN;		/* calling party no */
-	*ptr++ = IEI_CALLINGPN_LEN+slen;/* calling party no length */
-	*ptr++ = NUMBER_TYPEPLAN;	/* type of number, number plan id */
-	strncpy(ptr, cd->src_telno, slen);
-	ptr += slen;
-
-	*ptr++ = IEI_CALLEDPN;		/* called party no */
-	*ptr++ = IEI_CALLEDPN_LEN+dlen;	/* called party no length */
-	*ptr++ = NUMBER_TYPEPLAN;	/* type of number, number plan id */
-	strncpy(ptr, cd->dst_telno, dlen);
-	ptr += dlen;
+	if(klen)
+	{
+		*ptr++ = IEI_KEYPAD;		/* keypad facility */
+		*ptr++ = klen;			/* keypad facility length */
+		strncpy(ptr, cd->keypad, klen);
+		ptr += klen;
+	}
+	
+	if(slen)
+	{
+		*ptr++ = IEI_CALLINGPN;		/* calling party no */
+		*ptr++ = IEI_CALLINGPN_LEN+slen;/* calling party no length */
+		*ptr++ = NUMBER_TYPEPLAN;	/* type of number, number plan id */
+		strncpy(ptr, cd->src_telno, slen);
+		ptr += slen;
+	}
+
+	if(dlen)
+	{
+		*ptr++ = IEI_CALLEDPN;		/* called party no */
+		*ptr++ = IEI_CALLEDPN_LEN+dlen;	/* called party no length */
+		*ptr++ = NUMBER_TYPEPLAN;	/* type of number, number plan id */
+		strncpy(ptr, cd->dst_telno, dlen);
+		ptr += dlen;
+	}
 	
 	DL_Data_Req(ctrl_desc[cd->controller].unit, m);
 }
diff --git a/sys/i4b/layer3/i4b_q931.h b/sys/i4b/layer3/i4b_q931.h
index 5568607..e00a8b4 100644
--- a/sys/i4b/layer3/i4b_q931.h
+++ b/sys/i4b/layer3/i4b_q931.h
@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 1997, 2000 Hellmuth Michaelis. All rights reserved.
+ * Copyright (c) 1997, 2001 Hellmuth Michaelis. All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
  * modification, are permitted provided that the following conditions
@@ -27,11 +27,9 @@
  *	i4b_q931.h - Q931 handling header file
  *	--------------------------------------
  *
- *	$Id: i4b_q931.h,v 1.9 2000/04/27 09:25:22 hm Exp $ 
- *
  * $FreeBSD$
  *
- *      last edit-date: [Thu Apr 27 11:07:37 2000]
+ *      last edit-date: [Thu Oct 18 13:29:01 2001]
  *
  *---------------------------------------------------------------------------*/
 
@@ -72,9 +70,11 @@
 
 /* SETUP */
 
-#define MSG_SETUP_LEN		18	/* without number strings ! */
+#define MSG_SETUP_LEN		12	/* without called party,	*/
+					/*	calling party and	*/
+					/*	keypad facility !	*/
 
-#define IEI_BEARERCAP_LEN	2	/* 2 octetts lenght */
+#define IEI_BEARERCAP_LEN	2	/* 2 octetts length */
 
 #define IT_CAP_SPEECH		0x80	/* BC: information xfer capability */
 #define IT_CAP_UNR_DIG_INFO	0x88	/* BC: information xfer capability */
diff --git a/sys/i4b/layer4/i4b_i4bdrv.c b/sys/i4b/layer4/i4b_i4bdrv.c
index f5f3224..41b3c57 100644
--- a/sys/i4b/layer4/i4b_i4bdrv.c
+++ b/sys/i4b/layer4/i4b_i4bdrv.c
@@ -29,7 +29,7 @@
  *
  * $FreeBSD$
  *
- *      last edit-date: [Fri Jan 12 16:49:34 2001]
+ *      last edit-date: [Wed Oct 17 13:37:56 2001]
  *
  *---------------------------------------------------------------------------*/
 
@@ -439,6 +439,12 @@ i4bioctl(dev_t dev, int cmd, caddr_t data, int flag, struct thread *td)
 
 			strcpy(cd->dst_telno, mcr->dst_telno);
 			strcpy(cd->src_telno, mcr->src_telno);
+
+			if(mcr->keypad[0] != '\0')
+				strcpy(cd->keypad, mcr->keypad);
+			else
+				cd->keypad[0] = '\0';
+				
 			cd->display[0] = '\0';
 
 			SET_CAUSE_TYPE(cd->cause_in, CAUSET_I4B);
diff --git a/sys/i4b/layer4/i4b_l4.c b/sys/i4b/layer4/i4b_l4.c
index 9cb3f26..4981b96 100644
--- a/sys/i4b/layer4/i4b_l4.c
+++ b/sys/i4b/layer4/i4b_l4.c
@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 1997, 2000 Hellmuth Michaelis. All rights reserved.
+ * Copyright (c) 1997, 2001 Hellmuth Michaelis. All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
  * modification, are permitted provided that the following conditions
@@ -27,11 +27,9 @@
  *	i4b_l4.c - kernel interface to userland
  *	-----------------------------------------
  *
- *	$Id: i4b_l4.c,v 1.54 2000/08/28 07:24:59 hm Exp $ 
- *
  * $FreeBSD$
  *
- *      last edit-date: [Sun Aug 27 14:53:42 2000]
+ *      last edit-date: [Thu Oct 18 13:31:22 2001]
  *
  *---------------------------------------------------------------------------*/
 
@@ -249,6 +247,33 @@ i4b_l4_dialoutnumber(int driver, int driver_unit, int cmdlen, char *cmd)
 }
 
 /*---------------------------------------------------------------------------*
+ *	send MSG_KEYPAD_IND message to userland
+ *---------------------------------------------------------------------------*/
+void
+i4b_l4_keypad(int driver, int driver_unit, int cmdlen, char *cmd)
+{
+	struct mbuf *m;
+
+	if((m = i4b_Dgetmbuf(sizeof(msg_keypad_ind_t))) != NULL)
+	{
+		msg_keypad_ind_t *md = (msg_keypad_ind_t *)m->m_data;
+
+		md->header.type = MSG_KEYPAD_IND;
+		md->header.cdid = -1;
+
+		md->driver = driver;
+		md->driver_unit = driver_unit;
+
+		if(cmdlen > KEYPAD_MAX)
+			cmdlen = KEYPAD_MAX;
+
+		md->cmdlen = cmdlen;
+		bcopy(cmd, md->cmd, cmdlen);
+		i4bputqueue(m);
+	}
+}
+
+/*---------------------------------------------------------------------------*
  *	send MSG_NEGOTIATION_COMPL message to userland
  *---------------------------------------------------------------------------*/
 void
diff --git a/sys/i4b/layer4/i4b_l4.h b/sys/i4b/layer4/i4b_l4.h
index f1ec1e2..46f9aab 100644
--- a/sys/i4b/layer4/i4b_l4.h
+++ b/sys/i4b/layer4/i4b_l4.h
@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 1997, 2000 Hellmuth Michaelis. All rights reserved.
+ * Copyright (c) 1997, 2001 Hellmuth Michaelis. All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
  * modification, are permitted provided that the following conditions
@@ -27,11 +27,9 @@
  *	i4b_l4.h - kernel interface to userland header file
  *	---------------------------------------------------
  *
- *	$Id: i4b_l4.h,v 1.18 2000/04/27 11:35:01 hm Exp $ 
- *
  * $FreeBSD$
  *
- *      last edit-date: [Thu Apr 27 13:28:01 2000]
+ *      last edit-date: [Thu Oct 18 10:11:51 2001]
  *
  *---------------------------------------------------------------------------*/
 
@@ -49,6 +47,7 @@ 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_keypad(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 );