2 * Copyright (c) 1997, 2001 Hellmuth Michaelis. All rights reserved.
4 * Redistribution and use in source and binary forms, with or without
5 * modification, are permitted provided that the following conditions
7 * 1. Redistributions of source code must retain the above copyright
8 * notice, this list of conditions and the following disclaimer.
9 * 2. Redistributions in binary form must reproduce the above copyright
10 * notice, this list of conditions and the following disclaimer in the
11 * documentation and/or other materials provided with the distribution.
13 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
14 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
15 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
16 * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
17 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
18 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
19 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
20 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
21 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
22 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
25 *---------------------------------------------------------------------------
27 * i4b_rbch.c - device driver for raw B channel data
28 * ---------------------------------------------------
30 * $FreeBSD: src/sys/i4b/driver/i4b_rbch.c,v 1.10.2.3 2001/08/12 16:22:48 hm Exp $
31 * $DragonFly: src/sys/net/i4b/driver/i4b_rbch.c,v 1.22 2006/12/22 23:44:55 swildner Exp $
33 * last edit-date: [Sat Aug 11 18:06:57 2001]
35 *---------------------------------------------------------------------------*/
37 #include "use_i4brbch.h"
41 #include <sys/param.h>
42 #include <sys/systm.h>
46 #include <sys/kernel.h>
48 #include <sys/socket.h>
51 #include <sys/thread2.h>
52 #include <sys/vnode.h>
54 #include <net/i4b/include/machine/i4b_ioctl.h>
55 #include <net/i4b/include/machine/i4b_rbch_ioctl.h>
56 #include <net/i4b/include/machine/i4b_debug.h>
58 #include "../include/i4b_global.h"
59 #include "../include/i4b_mbuf.h"
60 #include "../include/i4b_l3l4.h"
61 #include "../layer4/i4b_l4.h"
63 #include <sys/ioccom.h>
65 #include <sys/filio.h>
67 static drvr_link_t rbch_drvr_linktab
[NI4BRBCH
];
68 static isdn_link_t
*isdn_linktab
[NI4BRBCH
];
70 #define I4BRBCHACCT 1 /* enable accounting messages */
71 #define I4BRBCHACCTINTVL 2 /* accounting msg interval in secs */
73 static struct rbch_softc
{
75 int sc_unit
; /* unit number */
77 int sc_devstate
; /* state of driver */
79 #define ST_CONNECTED 0x01
80 #define ST_ISOPEN 0x02
81 #define ST_RDWAITDATA 0x04
82 #define ST_WRWAITEMPTY 0x08
83 #define ST_NOBLOCK 0x10
85 int sc_bprot
; /* B-ch protocol used */
87 call_desc_t
*sc_cd
; /* Call Descriptor */
91 struct ifqueue sc_hdlcq
; /* hdlc read queue */
92 #define I4BRBCHMAXQLEN 10
94 struct selinfo selp
; /* select / poll */
97 struct callout sc_timeout
;
99 int sc_iinb
; /* isdn driver # of inbytes */
100 int sc_ioutb
; /* isdn driver # of outbytes */
101 int sc_linb
; /* last # of bytes rx'd */
102 int sc_loutb
; /* last # of bytes tx'd */
103 int sc_fn
; /* flag, first null acct */
105 } rbch_softc
[NI4BRBCH
];
107 static void rbch_rx_data_rdy(int unit
);
108 static void rbch_tx_queue_empty(int unit
);
109 static void rbch_connect(int unit
, void *cdp
);
110 static void rbch_disconnect(int unit
, void *cdp
);
111 static void rbch_init_linktab(int unit
);
112 static void rbch_clrq(int unit
);
114 #define PDEVSTATIC static
115 #define IOCTL_CMD_T u_long
117 PDEVSTATIC d_open_t i4brbchopen
;
118 PDEVSTATIC d_close_t i4brbchclose
;
119 PDEVSTATIC d_read_t i4brbchread
;
120 PDEVSTATIC d_write_t i4brbchwrite
;
121 PDEVSTATIC d_ioctl_t i4brbchioctl
;
123 PDEVSTATIC d_poll_t i4brbchpoll
;
124 #define POLLFIELD i4brbchpoll
126 #define CDEV_MAJOR 57
128 static struct dev_ops i4brbch_ops
= {
129 { "i4brbch", CDEV_MAJOR
, 0 },
130 .d_open
= i4brbchopen
,
131 .d_close
= i4brbchclose
,
132 .d_read
= i4brbchread
,
133 .d_write
= i4brbchwrite
,
134 .d_ioctl
= i4brbchioctl
,
138 static void i4brbchattach(void *);
139 PSEUDO_SET(i4brbchattach
, i4b_rbch
);
141 /*===========================================================================*
142 * DEVICE DRIVER ROUTINES
143 *===========================================================================*/
145 /*---------------------------------------------------------------------------*
146 * initialization at kernel load time
147 *---------------------------------------------------------------------------*/
149 i4brbchinit(void *unused
)
151 dev_ops_add(&i4brbch_ops
, 0, 0);
154 SYSINIT(i4brbchdev
, SI_SUB_DRIVERS
,
155 SI_ORDER_MIDDLE
+CDEV_MAJOR
, &i4brbchinit
, NULL
);
157 /*---------------------------------------------------------------------------*
158 * interface attach routine
159 *---------------------------------------------------------------------------*/
161 i4brbchattach(void *dummy
)
165 #ifndef HACK_NO_PSEUDO_ATTACH_MSG
166 kprintf("i4brbch: %d raw B channel access device(s) attached\n", NI4BRBCH
);
169 for(i
=0; i
< NI4BRBCH
; i
++)
171 make_dev(&i4brbch_ops
, i
,
172 UID_ROOT
, GID_WHEEL
, 0600, "i4brbch%d", i
);
175 callout_init(&rbch_softc
[i
].sc_timeout
);
176 rbch_softc
[i
].sc_fn
= 1;
178 rbch_softc
[i
].sc_unit
= i
;
179 rbch_softc
[i
].sc_devstate
= ST_IDLE
;
180 rbch_softc
[i
].sc_hdlcq
.ifq_maxlen
= I4BRBCHMAXQLEN
;
181 rbch_softc
[i
].it_in
.c_ispeed
= rbch_softc
[i
].it_in
.c_ospeed
= 64000;
182 termioschars(&rbch_softc
[i
].it_in
);
183 rbch_init_linktab(i
);
187 /*---------------------------------------------------------------------------*
189 *---------------------------------------------------------------------------*/
191 i4brbchopen(struct dev_open_args
*ap
)
193 cdev_t dev
= ap
->a_head
.a_dev
;
194 int unit
= minor(dev
);
199 if(rbch_softc
[unit
].sc_devstate
& ST_ISOPEN
)
206 rbch_softc
[unit
].sc_devstate
|= ST_ISOPEN
;
208 NDBGL4(L4_RBCHDBG
, "unit %d, open", unit
);
213 /*---------------------------------------------------------------------------*
215 *---------------------------------------------------------------------------*/
217 i4brbchclose(struct dev_close_args
*ap
)
219 cdev_t dev
= ap
->a_head
.a_dev
;
220 int unit
= minor(dev
);
221 struct rbch_softc
*sc
= &rbch_softc
[unit
];
223 if(sc
->sc_devstate
& ST_CONNECTED
)
224 i4b_l4_drvrdisc(BDRV_RBCH
, unit
);
226 sc
->sc_devstate
&= ~ST_ISOPEN
;
230 NDBGL4(L4_RBCHDBG
, "unit %d, closed", unit
);
235 /*---------------------------------------------------------------------------*
236 * read from rbch device
237 *---------------------------------------------------------------------------*/
239 i4brbchread(struct dev_read_args
*ap
)
241 cdev_t dev
= ap
->a_head
.a_dev
;
242 struct uio
*uio
= ap
->a_uio
;
245 int unit
= minor(dev
);
247 struct rbch_softc
*sc
= &rbch_softc
[unit
];
251 NDBGL4(L4_RBCHDBG
, "unit %d, enter read", unit
);
254 if(!(sc
->sc_devstate
& ST_ISOPEN
))
257 NDBGL4(L4_RBCHDBG
, "unit %d, read while not open", unit
);
261 if((sc
->sc_devstate
& ST_NOBLOCK
) || (ap
->a_ioflag
& IO_NDELAY
))
263 if(!(sc
->sc_devstate
& ST_CONNECTED
)) {
268 if(sc
->sc_bprot
== BPROT_RHDLC
)
271 iqp
= isdn_linktab
[unit
]->rx_queue
;
273 if(IF_QEMPTY(iqp
) && (sc
->sc_devstate
& ST_ISOPEN
)) {
280 while(!(sc
->sc_devstate
& ST_CONNECTED
))
282 NDBGL4(L4_RBCHDBG
, "unit %d, wait read init", unit
);
284 if((error
= tsleep((caddr_t
) &rbch_softc
[unit
],
285 PCATCH
, "rrrbch", 0 )) != 0)
288 NDBGL4(L4_RBCHDBG
, "unit %d, error %d tsleep", unit
, error
);
293 if(sc
->sc_bprot
== BPROT_RHDLC
)
296 iqp
= isdn_linktab
[unit
]->rx_queue
;
298 while(IF_QEMPTY(iqp
) && (sc
->sc_devstate
& ST_ISOPEN
))
300 sc
->sc_devstate
|= ST_RDWAITDATA
;
302 NDBGL4(L4_RBCHDBG
, "unit %d, wait read data", unit
);
304 if((error
= tsleep((caddr_t
) &isdn_linktab
[unit
]->rx_queue
,
305 PCATCH
, "rrbch", 0 )) != 0)
308 NDBGL4(L4_RBCHDBG
, "unit %d, error %d tsleep read", unit
, error
);
309 sc
->sc_devstate
&= ~ST_RDWAITDATA
;
317 NDBGL4(L4_RBCHDBG
, "unit %d, read %d bytes", unit
, m
->m_len
);
321 error
= uiomove(m
->m_data
, m
->m_len
, uio
);
325 NDBGL4(L4_RBCHDBG
, "unit %d, error %d uiomove", unit
, error
);
337 /*---------------------------------------------------------------------------*
338 * write to rbch device
339 *---------------------------------------------------------------------------*/
341 i4brbchwrite(struct dev_write_args
*ap
)
343 cdev_t dev
= ap
->a_head
.a_dev
;
344 struct uio
*uio
= ap
->a_uio
;
347 int unit
= minor(dev
);
348 struct rbch_softc
*sc
= &rbch_softc
[unit
];
352 NDBGL4(L4_RBCHDBG
, "unit %d, write", unit
);
355 if(!(sc
->sc_devstate
& ST_ISOPEN
))
357 NDBGL4(L4_RBCHDBG
, "unit %d, write while not open", unit
);
362 if((sc
->sc_devstate
& ST_NOBLOCK
) || (ap
->a_ioflag
& IO_NDELAY
))
364 if(!(sc
->sc_devstate
& ST_CONNECTED
)) {
368 if(IF_QFULL(isdn_linktab
[unit
]->tx_queue
) && (sc
->sc_devstate
& ST_ISOPEN
)) {
375 while(!(sc
->sc_devstate
& ST_CONNECTED
))
377 NDBGL4(L4_RBCHDBG
, "unit %d, write wait init", unit
);
379 error
= tsleep((caddr_t
) &rbch_softc
[unit
],
380 PCATCH
, "wrrbch", 0 );
381 if(error
== ERESTART
) {
385 else if(error
== EINTR
)
388 NDBGL4(L4_RBCHDBG
, "unit %d, EINTR during wait init", unit
);
394 NDBGL4(L4_RBCHDBG
, "unit %d, error %d tsleep init", unit
, error
);
397 tsleep((caddr_t
) &rbch_softc
[unit
], PCATCH
, "xrbch", (hz
*1));
400 while(IF_QFULL(isdn_linktab
[unit
]->tx_queue
) && (sc
->sc_devstate
& ST_ISOPEN
))
402 sc
->sc_devstate
|= ST_WRWAITEMPTY
;
404 NDBGL4(L4_RBCHDBG
, "unit %d, write queue full", unit
);
406 if ((error
= tsleep((caddr_t
) &isdn_linktab
[unit
]->tx_queue
,
407 PCATCH
, "wrbch", 0)) != 0) {
408 sc
->sc_devstate
&= ~ST_WRWAITEMPTY
;
409 if(error
== ERESTART
)
414 else if(error
== EINTR
)
417 NDBGL4(L4_RBCHDBG
, "unit %d, EINTR during wait write", unit
);
423 NDBGL4(L4_RBCHDBG
, "unit %d, error %d tsleep write", unit
, error
);
430 if(!(sc
->sc_devstate
& ST_ISOPEN
))
432 NDBGL4(L4_RBCHDBG
, "unit %d, not open anymore", unit
);
437 if((m
= i4b_Bgetmbuf(BCH_MAX_DATALEN
)) != NULL
)
439 m
->m_len
= min(BCH_MAX_DATALEN
, uio
->uio_resid
);
441 NDBGL4(L4_RBCHDBG
, "unit %d, write %d bytes", unit
, m
->m_len
);
443 error
= uiomove(m
->m_data
, m
->m_len
, uio
);
445 if(IF_QFULL(isdn_linktab
[unit
]->tx_queue
))
448 IF_ENQUEUE(isdn_linktab
[unit
]->tx_queue
, m
);
449 (*isdn_linktab
[unit
]->bch_tx_start
)(isdn_linktab
[unit
]->unit
, isdn_linktab
[unit
]->channel
);
457 /*---------------------------------------------------------------------------*
458 * rbch device ioctl handlibg
459 *---------------------------------------------------------------------------*/
461 i4brbchioctl(struct dev_ioctl_args
*ap
)
463 cdev_t dev
= ap
->a_head
.a_dev
;
465 int unit
= minor(dev
);
466 struct rbch_softc
*sc
= &rbch_softc
[unit
];
470 case FIOASYNC
: /* Set async mode */
471 if (*(int *)ap
->a_data
)
473 NDBGL4(L4_RBCHDBG
, "unit %d, setting async mode", unit
);
477 NDBGL4(L4_RBCHDBG
, "unit %d, clearing async mode", unit
);
481 case TIOCCDTR
: /* Clear DTR */
482 if(sc
->sc_devstate
& ST_CONNECTED
)
484 NDBGL4(L4_RBCHDBG
, "unit %d, disconnecting for DTR down", unit
);
485 i4b_l4_drvrdisc(BDRV_RBCH
, unit
);
489 case I4B_RBCH_DIALOUT
:
493 for (l
= 0; l
< TELNO_MAX
&& ((char *)ap
->a_data
)[l
]; l
++)
497 NDBGL4(L4_RBCHDBG
, "unit %d, attempting dialout to %s", unit
, (char *)ap
->a_data
);
498 i4b_l4_dialoutnumber(BDRV_RBCH
, unit
, l
, (char *)ap
->a_data
);
501 /* fall through to SDTR */
504 case TIOCSDTR
: /* Set DTR */
505 NDBGL4(L4_RBCHDBG
, "unit %d, attempting dialout (DTR)", unit
);
506 i4b_l4_dialout(BDRV_RBCH
, unit
);
509 case TIOCSETA
: /* Set termios struct */
512 case TIOCGETA
: /* Get termios struct */
513 *(struct termios
*)ap
->a_data
= sc
->it_in
;
517 *(int *)ap
->a_data
= TIOCM_LE
|TIOCM_DTR
|TIOCM_RTS
|TIOCM_CTS
|TIOCM_DSR
;
518 if (sc
->sc_devstate
& ST_CONNECTED
)
519 *(int *)ap
->a_data
|= TIOCM_CD
;
522 case I4B_RBCH_VR_REQ
:
526 mvr
= (msg_vr_req_t
*)ap
->a_data
;
528 mvr
->version
= VERSION
;
534 default: /* Unknown stuff */
535 NDBGL4(L4_RBCHDBG
, "unit %d, ioctl, unknown cmd %lx", unit
, ap
->a_cmd
);
542 /*---------------------------------------------------------------------------*
544 *---------------------------------------------------------------------------*/
546 i4brbchpoll(struct dev_poll_args
*ap
)
548 cdev_t dev
= ap
->a_head
.a_dev
;
549 int revents
= 0; /* Events we found */
550 int unit
= minor(dev
);
551 struct rbch_softc
*sc
= &rbch_softc
[unit
];
553 /* We can't check for anything but IN or OUT */
556 if(!(sc
->sc_devstate
& ST_ISOPEN
))
563 * Writes are OK if we are connected and the
564 * transmit queue can take them
567 if((ap
->a_events
& (POLLOUT
|POLLWRNORM
)) &&
568 (sc
->sc_devstate
& ST_CONNECTED
) &&
569 !IF_QFULL(isdn_linktab
[unit
]->tx_queue
))
571 revents
|= (ap
->a_events
& (POLLOUT
|POLLWRNORM
));
574 /* ... while reads are OK if we have any data */
576 if((ap
->a_events
& (POLLIN
|POLLRDNORM
)) &&
577 (sc
->sc_devstate
& ST_CONNECTED
))
581 if(sc
->sc_bprot
== BPROT_RHDLC
)
584 iqp
= isdn_linktab
[unit
]->rx_queue
;
587 revents
|= (ap
->a_events
& (POLLIN
|POLLRDNORM
));
591 selrecord(curthread
, &sc
->selp
);
594 ap
->a_events
= revents
;
599 /*---------------------------------------------------------------------------*
601 *---------------------------------------------------------------------------*/
603 rbch_timeout(struct rbch_softc
*sc
)
605 bchan_statistics_t bs
;
606 int unit
= sc
->sc_unit
;
608 /* get # of bytes in and out from the HSCX driver */
610 (*isdn_linktab
[unit
]->bch_stat
)
611 (isdn_linktab
[unit
]->unit
, isdn_linktab
[unit
]->channel
, &bs
);
613 sc
->sc_ioutb
+= bs
.outbytes
;
614 sc
->sc_iinb
+= bs
.inbytes
;
616 if((sc
->sc_iinb
!= sc
->sc_linb
) || (sc
->sc_ioutb
!= sc
->sc_loutb
) || sc
->sc_fn
)
618 int ri
= (sc
->sc_iinb
- sc
->sc_linb
)/I4BRBCHACCTINTVL
;
619 int ro
= (sc
->sc_ioutb
- sc
->sc_loutb
)/I4BRBCHACCTINTVL
;
621 if((sc
->sc_iinb
== sc
->sc_linb
) && (sc
->sc_ioutb
== sc
->sc_loutb
))
626 sc
->sc_linb
= sc
->sc_iinb
;
627 sc
->sc_loutb
= sc
->sc_ioutb
;
629 i4b_l4_accounting(BDRV_RBCH
, unit
, ACCT_DURING
,
630 sc
->sc_ioutb
, sc
->sc_iinb
, ro
, ri
, sc
->sc_ioutb
, sc
->sc_iinb
);
632 callout_reset(&sc
->sc_timeout
, I4BRBCHACCTINTVL
* hz
,
633 (void *)rbch_timeout
, sc
);
635 #endif /* I4BRBCHACCT */
637 /*===========================================================================*
638 * ISDN INTERFACE ROUTINES
639 *===========================================================================*/
641 /*---------------------------------------------------------------------------*
642 * this routine is called from L4 handler at connect time
643 *---------------------------------------------------------------------------*/
645 rbch_connect(int unit
, void *cdp
)
647 call_desc_t
*cd
= (call_desc_t
*)cdp
;
648 struct rbch_softc
*sc
= &rbch_softc
[unit
];
650 sc
->sc_bprot
= cd
->bprot
;
653 if(sc
->sc_bprot
== BPROT_RHDLC
)
660 callout_reset(&sc
->sc_timeout
, I4BRBCHACCTINTVL
* hz
,
661 (void *)rbch_timeout
, sc
);
664 if(!(sc
->sc_devstate
& ST_CONNECTED
))
666 NDBGL4(L4_RBCHDBG
, "unit %d, wakeup", unit
);
667 sc
->sc_devstate
|= ST_CONNECTED
;
673 /*---------------------------------------------------------------------------*
674 * this routine is called from L4 handler at disconnect time
675 *---------------------------------------------------------------------------*/
677 rbch_disconnect(int unit
, void *cdp
)
679 call_desc_t
*cd
= (call_desc_t
*)cdp
;
680 struct rbch_softc
*sc
= &rbch_softc
[unit
];
686 NDBGL4(L4_RBCHDBG
, "rbch%d: channel %d not active",
687 cd
->driver_unit
, cd
->channelid
);
693 NDBGL4(L4_RBCHDBG
, "unit %d, disconnect", unit
);
695 sc
->sc_devstate
&= ~ST_CONNECTED
;
700 i4b_l4_accounting(BDRV_RBCH
, unit
, ACCT_FINAL
,
701 sc
->sc_ioutb
, sc
->sc_iinb
, 0, 0, sc
->sc_ioutb
, sc
->sc_iinb
);
702 callout_stop(&sc
->sc_timeout
);
707 /*---------------------------------------------------------------------------*
708 * feedback from daemon in case of dial problems
709 *---------------------------------------------------------------------------*/
711 rbch_dialresponse(int unit
, int status
, cause_t cause
)
715 /*---------------------------------------------------------------------------*
717 *---------------------------------------------------------------------------*/
719 rbch_updown(int unit
, int updown
)
723 /*---------------------------------------------------------------------------*
724 * this routine is called from the HSCX interrupt handler
725 * when a new frame (mbuf) has been received and is to be put on
727 *---------------------------------------------------------------------------*/
729 rbch_rx_data_rdy(int unit
)
731 if(rbch_softc
[unit
].sc_bprot
== BPROT_RHDLC
)
735 if((m
= *isdn_linktab
[unit
]->rx_mbuf
) == NULL
)
738 m
->m_pkthdr
.len
= m
->m_len
;
740 if(IF_QFULL(&(rbch_softc
[unit
].sc_hdlcq
)))
742 NDBGL4(L4_RBCHDBG
, "unit %d: hdlc rx queue full!", unit
);
747 IF_ENQUEUE(&(rbch_softc
[unit
].sc_hdlcq
), m
);
751 if(rbch_softc
[unit
].sc_devstate
& ST_RDWAITDATA
)
753 NDBGL4(L4_RBCHDBG
, "unit %d, wakeup", unit
);
754 rbch_softc
[unit
].sc_devstate
&= ~ST_RDWAITDATA
;
755 wakeup((caddr_t
) &isdn_linktab
[unit
]->rx_queue
);
759 NDBGL4(L4_RBCHDBG
, "unit %d, NO wakeup", unit
);
761 selwakeup(&rbch_softc
[unit
].selp
);
764 /*---------------------------------------------------------------------------*
765 * this routine is called from the HSCX interrupt handler
766 * when the last frame has been sent out and there is no
767 * further frame (mbuf) in the tx queue.
768 *---------------------------------------------------------------------------*/
770 rbch_tx_queue_empty(int unit
)
772 if(rbch_softc
[unit
].sc_devstate
& ST_WRWAITEMPTY
)
774 NDBGL4(L4_RBCHDBG
, "unit %d, wakeup", unit
);
775 rbch_softc
[unit
].sc_devstate
&= ~ST_WRWAITEMPTY
;
776 wakeup((caddr_t
) &isdn_linktab
[unit
]->tx_queue
);
780 NDBGL4(L4_RBCHDBG
, "unit %d, NO wakeup", unit
);
782 selwakeup(&rbch_softc
[unit
].selp
);
785 /*---------------------------------------------------------------------------*
786 * this routine is called from the HSCX interrupt handler
787 * each time a packet is received or transmitted
788 *---------------------------------------------------------------------------*/
790 rbch_activity(int unit
, int rxtx
)
792 if (rbch_softc
[unit
].sc_cd
)
793 rbch_softc
[unit
].sc_cd
->last_active_time
= SECOND
;
794 selwakeup(&rbch_softc
[unit
].selp
);
797 /*---------------------------------------------------------------------------*
798 * clear an hdlc rx queue for a rbch unit
799 *---------------------------------------------------------------------------*/
806 IF_DRAIN(&rbch_softc
[unit
].sc_hdlcq
);
810 /*---------------------------------------------------------------------------*
811 * return this drivers linktab address
812 *---------------------------------------------------------------------------*/
814 rbch_ret_linktab(int unit
)
816 rbch_init_linktab(unit
);
817 return(&rbch_drvr_linktab
[unit
]);
820 /*---------------------------------------------------------------------------*
821 * setup the isdn_linktab for this driver
822 *---------------------------------------------------------------------------*/
824 rbch_set_linktab(int unit
, isdn_link_t
*ilt
)
826 isdn_linktab
[unit
] = ilt
;
829 /*---------------------------------------------------------------------------*
830 * initialize this drivers linktab
831 *---------------------------------------------------------------------------*/
833 rbch_init_linktab(int unit
)
835 rbch_drvr_linktab
[unit
].unit
= unit
;
836 rbch_drvr_linktab
[unit
].bch_rx_data_ready
= rbch_rx_data_rdy
;
837 rbch_drvr_linktab
[unit
].bch_tx_queue_empty
= rbch_tx_queue_empty
;
838 rbch_drvr_linktab
[unit
].bch_activity
= rbch_activity
;
839 rbch_drvr_linktab
[unit
].line_connected
= rbch_connect
;
840 rbch_drvr_linktab
[unit
].line_disconnected
= rbch_disconnect
;
841 rbch_drvr_linktab
[unit
].dial_response
= rbch_dialresponse
;
842 rbch_drvr_linktab
[unit
].updown_ind
= rbch_updown
;
845 /*===========================================================================*/
847 #endif /* NI4BRBCH > 0 */