26
27#include <sys/param.h>
28#include <sys/proc.h>
29#include <sys/systm.h>
30#include <sys/kernel.h>
31#include <sys/module.h>
32#include <sys/mbuf.h>
33#include <sys/sockio.h>
34#include <sys/malloc.h>
35#include <sys/priv.h>
36#include <sys/socket.h>
37#include <sys/sysctl.h>
38#include <sys/conf.h>
39#include <sys/errno.h>
40#include <sys/tty.h>
41#include <sys/bus.h>
42#include <machine/bus.h>
43#include <sys/rman.h>
44#include <isa/isavar.h>
45#include <sys/interrupt.h>
46#include <vm/vm.h>
47#include <vm/pmap.h>
48#include <net/if.h>
49#include <machine/cpufunc.h>
50#include <machine/cserial.h>
51#include <machine/resource.h>
52#include <dev/cx/machdep.h>
53#include <dev/ctau/ctddk.h>
54#include <dev/cx/cronyxfw.h>
55#include "opt_ng_cronyx.h"
56#ifdef NETGRAPH_CRONYX
57# include "opt_netgraph.h"
58# include <netgraph/ng_message.h>
59# include <netgraph/netgraph.h>
60# include <dev/ctau/ng_ct.h>
61#else
62# include <net/if_types.h>
63# include <net/if_sppp.h>
64# define PP_CISCO IFF_LINK2
65# include <net/bpf.h>
66#endif
67
68#define NCTAU 1
69
70/* If we don't have Cronyx's sppp version, we don't have fr support via sppp */
71#ifndef PP_FR
72#define PP_FR 0
73#endif
74
75#define CT_DEBUG(d,s) ({if (d->chan->debug) {\
76 printf ("%s: ", d->name); printf s;}})
77#define CT_DEBUG2(d,s) ({if (d->chan->debug>1) {\
78 printf ("%s: ", d->name); printf s;}})
79
80#define CT_LOCK_NAME "ctX"
81
82#define CT_LOCK(_bd) mtx_lock (&(_bd)->ct_mtx)
83#define CT_UNLOCK(_bd) mtx_unlock (&(_bd)->ct_mtx)
84#define CT_LOCK_ASSERT(_bd) mtx_assert (&(_bd)->ct_mtx, MA_OWNED)
85
86static void ct_identify __P((driver_t *, device_t));
87static int ct_probe __P((device_t));
88static int ct_attach __P((device_t));
89static int ct_detach __P((device_t));
90
91static device_method_t ct_isa_methods [] = {
92 DEVMETHOD(device_identify, ct_identify),
93 DEVMETHOD(device_probe, ct_probe),
94 DEVMETHOD(device_attach, ct_attach),
95 DEVMETHOD(device_detach, ct_detach),
96
97 DEVMETHOD_END
98};
99
100typedef struct _ct_dma_mem_t {
101 unsigned long phys;
102 void *virt;
103 size_t size;
104 bus_dma_tag_t dmat;
105 bus_dmamap_t mapp;
106} ct_dma_mem_t;
107
108typedef struct _drv_t {
109 char name [8];
110 ct_chan_t *chan;
111 ct_board_t *board;
112 struct _bdrv_t *bd;
113 ct_dma_mem_t dmamem;
114 int running;
115#ifdef NETGRAPH
116 char nodename [NG_NODESIZ];
117 hook_p hook;
118 hook_p debug_hook;
119 node_p node;
120 struct ifqueue queue;
121 struct ifqueue hi_queue;
122#else
123 struct ifqueue queue;
124 struct ifnet *ifp;
125#endif
126 short timeout;
127 struct callout timeout_handle;
128 struct cdev *devt;
129} drv_t;
130
131typedef struct _bdrv_t {
132 ct_board_t *board;
133 struct resource *base_res;
134 struct resource *drq_res;
135 struct resource *irq_res;
136 int base_rid;
137 int drq_rid;
138 int irq_rid;
139 void *intrhand;
140 drv_t channel [NCHAN];
141 struct mtx ct_mtx;
142} bdrv_t;
143
144static driver_t ct_isa_driver = {
145 "ct",
146 ct_isa_methods,
147 sizeof (bdrv_t),
148};
149
150static devclass_t ct_devclass;
151
152static void ct_receive (ct_chan_t *c, char *data, int len);
153static void ct_transmit (ct_chan_t *c, void *attachment, int len);
154static void ct_error (ct_chan_t *c, int data);
155static void ct_up (drv_t *d);
156static void ct_start (drv_t *d);
157static void ct_down (drv_t *d);
158static void ct_watchdog (drv_t *d);
159static void ct_watchdog_timer (void *arg);
160#ifdef NETGRAPH
161extern struct ng_type typestruct;
162#else
163static void ct_ifstart (struct ifnet *ifp);
164static void ct_tlf (struct sppp *sp);
165static void ct_tls (struct sppp *sp);
166static int ct_sioctl (struct ifnet *ifp, u_long cmd, caddr_t data);
167static void ct_initialize (void *softc);
168#endif
169
170static ct_board_t *adapter [NCTAU];
171static drv_t *channel [NCTAU*NCHAN];
172static struct callout led_timo [NCTAU];
173static struct callout timeout_handle;
174
175static int ct_open (struct cdev *dev, int oflags, int devtype, struct thread *td);
176static int ct_close (struct cdev *dev, int fflag, int devtype, struct thread *td);
177static int ct_ioctl (struct cdev *dev, u_long cmd, caddr_t data, int flag, struct thread *td);
178static struct cdevsw ct_cdevsw = {
179 .d_version = D_VERSION,
180 .d_open = ct_open,
181 .d_close = ct_close,
182 .d_ioctl = ct_ioctl,
183 .d_name = "ct",
184};
185
186/*
187 * Print the mbuf chain, for debug purposes only.
188 */
189static void printmbuf (struct mbuf *m)
190{
191 printf ("mbuf:");
192 for (; m; m=m->m_next) {
193 if (m->m_flags & M_PKTHDR)
194 printf (" HDR %d:", m->m_pkthdr.len);
195 if (m->m_flags & M_EXT)
196 printf (" EXT:");
197 printf (" %d", m->m_len);
198 }
199 printf ("\n");
200}
201
202/*
203 * Make an mbuf from data.
204 */
205static struct mbuf *makembuf (void *buf, u_int len)
206{
207 struct mbuf *m;
208
209 MGETHDR (m, M_NOWAIT, MT_DATA);
210 if (! m)
211 return 0;
212 MCLGET (m, M_NOWAIT);
213 if (! (m->m_flags & M_EXT)) {
214 m_freem (m);
215 return 0;
216 }
217 m->m_pkthdr.len = m->m_len = len;
218 bcopy (buf, mtod (m, caddr_t), len);
219 return m;
220}
221
222static void ct_timeout (void *arg)
223{
224 drv_t *d;
225 int s, i, k;
226
227 for (i = 0; i < NCTAU; ++i) {
228 if (adapter[i] == NULL)
229 continue;
230 for (k = 0; k < NCHAN; k++) {
231 d = channel[i * NCHAN + k];
232 if (! d)
233 continue;
234 if (d->chan->mode != M_G703)
235 continue;
236 s = splimp ();
237 CT_LOCK ((bdrv_t *)d->bd);
238 ct_g703_timer (d->chan);
239 CT_UNLOCK ((bdrv_t *)d->bd);
240 splx (s);
241 }
242 }
243
244 callout_reset (&timeout_handle, hz, ct_timeout, 0);
245}
246
247static void ct_led_off (void *arg)
248{
249 ct_board_t *b = arg;
250 bdrv_t *bd = ((drv_t *)b->chan->sys)->bd;
251 int s = splimp ();
252
253 CT_LOCK (bd);
254 ct_led (b, 0);
255 CT_UNLOCK (bd);
256 splx (s);
257}
258
259/*
260 * Activate interrupt handler from DDK.
261 */
262static void ct_intr (void *arg)
263{
264 bdrv_t *bd = arg;
265 ct_board_t *b = bd->board;
266#ifndef NETGRAPH
267 int i;
268#endif
269 int s = splimp ();
270
271 CT_LOCK (bd);
272 /* Turn LED on. */
273 ct_led (b, 1);
274
275 ct_int_handler (b);
276
277 /* Turn LED off 50 msec later. */
278 callout_reset (&led_timo[b->num], hz/20, ct_led_off, b);
279 CT_UNLOCK (bd);
280 splx (s);
281
282#ifndef NETGRAPH
283 /* Pass packets in a lock-free state */
284 for (i = 0; i < NCHAN && b->chan[i].type; i++) {
285 drv_t *d = b->chan[i].sys;
286 struct mbuf *m;
287 if (!d || !d->running)
288 continue;
289 while (_IF_QLEN(&d->queue)) {
290 IF_DEQUEUE (&d->queue,m);
291 if (!m)
292 continue;
293 sppp_input (d->ifp, m);
294 }
295 }
296#endif
297}
298
299static int probe_irq (ct_board_t *b, int irq)
300{
301 int mask, busy, cnt;
302
303 /* Clear pending irq, if any. */
304 ct_probe_irq (b, -irq);
305 DELAY (100);
306 for (cnt=0; cnt<5; ++cnt) {
307 /* Get the mask of pending irqs, assuming they are busy.
308 * Activate the adapter on given irq. */
309 busy = ct_probe_irq (b, irq);
310 DELAY (1000);
311
312 /* Get the mask of active irqs.
313 * Deactivate our irq. */
314 mask = ct_probe_irq (b, -irq);
315 DELAY (100);
316 if ((mask & ~busy) == 1 << irq) {
317 ct_probe_irq (b, 0);
318 /* printf ("ct%d: irq %d ok, mask=0x%04x, busy=0x%04x\n",
319 b->num, irq, mask, busy); */
320 return 1;
321 }
322 }
323 /* printf ("ct%d: irq %d not functional, mask=0x%04x, busy=0x%04x\n",
324 b->num, irq, mask, busy); */
325 ct_probe_irq (b, 0);
326 return 0;
327}
328
329static short porttab [] = {
330 0x200, 0x220, 0x240, 0x260, 0x280, 0x2a0, 0x2c0, 0x2e0,
331 0x300, 0x320, 0x340, 0x360, 0x380, 0x3a0, 0x3c0, 0x3e0, 0
332 };
333static char dmatab [] = { 7, 6, 5, 0 };
334static char irqtab [] = { 5, 10, 11, 7, 3, 15, 12, 0 };
335
336static int ct_is_free_res (device_t dev, int rid, int type, u_long start,
337 u_long end, u_long count)
338{
339 struct resource *res;
340
341 if (!(res = bus_alloc_resource (dev, type, &rid, start, end, count,
342 RF_ALLOCATED)))
343 return 0;
344
345 bus_release_resource (dev, type, rid, res);
346
347 return 1;
348}
349
350static void ct_identify (driver_t *driver, device_t dev)
351{
352 u_long iobase, rescount;
353 int devcount;
354 device_t *devices;
355 device_t child;
356 devclass_t my_devclass;
357 int i, k;
358
359 if ((my_devclass = devclass_find ("ct")) == NULL)
360 return;
361
362 devclass_get_devices (my_devclass, &devices, &devcount);
363
364 if (devcount == 0) {
365 /* We should find all devices by our self. We could alter other
366 * devices, but we don't have a choise
367 */
368 for (i = 0; (iobase = porttab [i]) != 0; i++) {
369 if (!ct_is_free_res (dev, 0, SYS_RES_IOPORT,
370 iobase, iobase + NPORT, NPORT))
371 continue;
372 if (ct_probe_board (iobase, -1, -1) == 0)
373 continue;
374
375 devcount++;
376 child = BUS_ADD_CHILD (dev, ISA_ORDER_SPECULATIVE, "ct",
377 -1);
378
379 if (child == NULL)
380 return;
381
382 device_set_desc_copy (child, "Cronyx Tau-ISA");
383 device_set_driver (child, driver);
384 bus_set_resource (child, SYS_RES_IOPORT, 0,
385 iobase, NPORT);
386
387 if (devcount >= NCTAU)
388 break;
389 }
390 } else {
391 static short porttab [] = {
392 0x200, 0x220, 0x240, 0x260, 0x280, 0x2a0, 0x2c0, 0x2e0,
393 0x300, 0x320, 0x340, 0x360, 0x380, 0x3a0, 0x3c0, 0x3e0, 0
394 };
395 /* Lets check user choise.
396 */
397 for (k = 0; k < devcount; k++) {
398 if (bus_get_resource (devices[k], SYS_RES_IOPORT, 0,
399 &iobase, &rescount) != 0)
400 continue;
401
402 for (i = 0; porttab [i] != 0; i++) {
403 if (porttab [i] != iobase)
404 continue;
405
406 if (!ct_is_free_res (devices[k], 0, SYS_RES_IOPORT,
407 iobase, iobase + NPORT, NPORT))
408 continue;
409
410 if (ct_probe_board (iobase, -1, -1) == 0)
411 continue;
412 porttab [i] = -1;
413 device_set_desc_copy (devices[k], "Cronyx Tau-ISA");
414 break;
415 }
416 if (porttab [i] == 0) {
417 device_delete_child (
418 device_get_parent (devices[k]),
419 devices [k]);
420 devices[k] = 0;
421 continue;
422 }
423 }
424 for (k = 0; k < devcount; k++) {
425 if (devices[k] == 0)
426 continue;
427 if (bus_get_resource (devices[k], SYS_RES_IOPORT, 0,
428 &iobase, &rescount) == 0)
429 continue;
430 for (i = 0; (iobase = porttab [i]) != 0; i++) {
431 if (porttab [i] == -1)
432 continue;
433 if (!ct_is_free_res (devices[k], 0, SYS_RES_IOPORT,
434 iobase, iobase + NPORT, NPORT))
435 continue;
436 if (ct_probe_board (iobase, -1, -1) == 0)
437 continue;
438
439 bus_set_resource (devices[k], SYS_RES_IOPORT, 0,
440 iobase, NPORT);
441 porttab [i] = -1;
442 device_set_desc_copy (devices[k], "Cronyx Tau-ISA");
443 break;
444 }
445 if (porttab [i] == 0) {
446 device_delete_child (
447 device_get_parent (devices[k]),
448 devices [k]);
449 }
450 }
451 free (devices, M_TEMP);
452 }
453
454 return;
455}
456
457static int ct_probe (device_t dev)
458{
459 int unit = device_get_unit (dev);
460 u_long iobase, rescount;
461
462 if (!device_get_desc (dev) ||
463 strcmp (device_get_desc (dev), "Cronyx Tau-ISA"))
464 return ENXIO;
465
466/* KASSERT ((bd != NULL), ("ct%d: NULL device softc\n", unit));*/
467 if (bus_get_resource (dev, SYS_RES_IOPORT, 0, &iobase, &rescount) != 0) {
468 printf ("ct%d: Couldn't get IOPORT\n", unit);
469 return ENXIO;
470 }
471
472 if (!ct_is_free_res (dev, 0, SYS_RES_IOPORT,
473 iobase, iobase + NPORT, NPORT)) {
474 printf ("ct%d: Resource IOPORT isn't free\n", unit);
475 return ENXIO;
476 }
477
478 if (!ct_probe_board (iobase, -1, -1)) {
479 printf ("ct%d: probing for Tau-ISA at %lx faild\n", unit, iobase);
480 return ENXIO;
481 }
482
483 return 0;
484}
485
486static void
487ct_bus_dmamap_addr (void *arg, bus_dma_segment_t *segs, int nseg, int error)
488{
489 unsigned long *addr;
490
491 if (error)
492 return;
493
494 KASSERT(nseg == 1, ("too many DMA segments, %d should be 1", nseg));
495 addr = arg;
496 *addr = segs->ds_addr;
497}
498
499static int
500ct_bus_dma_mem_alloc (int bnum, int cnum, ct_dma_mem_t *dmem)
501{
502 int error;
503
504 error = bus_dma_tag_create (NULL, 16, 0, BUS_SPACE_MAXADDR_24BIT,
505 BUS_SPACE_MAXADDR, NULL, NULL, dmem->size, 1,
506 dmem->size, 0, NULL, NULL, &dmem->dmat);
507 if (error) {
508 if (cnum >= 0) printf ("ct%d-%d: ", bnum, cnum);
509 else printf ("ct%d: ", bnum);
510 printf ("couldn't allocate tag for dma memory\n");
511 return 0;
512 }
513 error = bus_dmamem_alloc (dmem->dmat, (void **)&dmem->virt,
514 BUS_DMA_NOWAIT | BUS_DMA_ZERO, &dmem->mapp);
515 if (error) {
516 if (cnum >= 0) printf ("ct%d-%d: ", bnum, cnum);
517 else printf ("ct%d: ", bnum);
518 printf ("couldn't allocate mem for dma memory\n");
519 bus_dma_tag_destroy (dmem->dmat);
520 return 0;
521 }
522 error = bus_dmamap_load (dmem->dmat, dmem->mapp, dmem->virt,
523 dmem->size, ct_bus_dmamap_addr, &dmem->phys, 0);
524 if (error) {
525 if (cnum >= 0) printf ("ct%d-%d: ", bnum, cnum);
526 else printf ("ct%d: ", bnum);
527 printf ("couldn't load mem map for dma memory\n");
528 bus_dmamem_free (dmem->dmat, dmem->virt, dmem->mapp);
529 bus_dma_tag_destroy (dmem->dmat);
530 return 0;
531 }
532 return 1;
533}
534
535static void
536ct_bus_dma_mem_free (ct_dma_mem_t *dmem)
537{
538 bus_dmamap_unload (dmem->dmat, dmem->mapp);
539 bus_dmamem_free (dmem->dmat, dmem->virt, dmem->mapp);
540 bus_dma_tag_destroy (dmem->dmat);
541}
542
543/*
544 * The adapter is present, initialize the driver structures.
545 */
546static int ct_attach (device_t dev)
547{
548 bdrv_t *bd = device_get_softc (dev);
549 u_long iobase, drq, irq, rescount;
550 int unit = device_get_unit (dev);
551 char *ct_ln = CT_LOCK_NAME;
552 ct_board_t *b;
553 ct_chan_t *c;
554 drv_t *d;
555 int i;
556 int s;
557
558 KASSERT ((bd != NULL), ("ct%d: NULL device softc\n", unit));
559
560 bus_get_resource (dev, SYS_RES_IOPORT, 0, &iobase, &rescount);
561 bd->base_rid = 0;
562 bd->base_res = bus_alloc_resource (dev, SYS_RES_IOPORT, &bd->base_rid,
563 iobase, iobase + NPORT, NPORT, RF_ACTIVE);
564 if (! bd->base_res) {
565 printf ("ct%d: cannot alloc base address\n", unit);
566 return ENXIO;
567 }
568
569 if (bus_get_resource (dev, SYS_RES_DRQ, 0, &drq, &rescount) != 0) {
570 for (i = 0; (drq = dmatab [i]) != 0; i++) {
571 if (!ct_is_free_res (dev, 0, SYS_RES_DRQ,
572 drq, drq + 1, 1))
573 continue;
574 bus_set_resource (dev, SYS_RES_DRQ, 0, drq, 1);
575 break;
576 }
577
578 if (dmatab[i] == 0) {
579 bus_release_resource (dev, SYS_RES_IOPORT, bd->base_rid,
580 bd->base_res);
581 printf ("ct%d: Couldn't get DRQ\n", unit);
582 return ENXIO;
583 }
584 }
585
586 bd->drq_rid = 0;
587 bd->drq_res = bus_alloc_resource (dev, SYS_RES_DRQ, &bd->drq_rid,
588 drq, drq + 1, 1, RF_ACTIVE);
589 if (! bd->drq_res) {
590 printf ("ct%d: cannot allocate drq\n", unit);
591 bus_release_resource (dev, SYS_RES_IOPORT, bd->base_rid,
592 bd->base_res);
593 return ENXIO;
594 }
595
596 if (bus_get_resource (dev, SYS_RES_IRQ, 0, &irq, &rescount) != 0) {
597 for (i = 0; (irq = irqtab [i]) != 0; i++) {
598 if (!ct_is_free_res (dev, 0, SYS_RES_IRQ,
599 irq, irq + 1, 1))
600 continue;
601 bus_set_resource (dev, SYS_RES_IRQ, 0, irq, 1);
602 break;
603 }
604
605 if (irqtab[i] == 0) {
606 bus_release_resource (dev, SYS_RES_DRQ, bd->drq_rid,
607 bd->drq_res);
608 bus_release_resource (dev, SYS_RES_IOPORT, bd->base_rid,
609 bd->base_res);
610 printf ("ct%d: Couldn't get IRQ\n", unit);
611 return ENXIO;
612 }
613 }
614
615 bd->irq_rid = 0;
616 bd->irq_res = bus_alloc_resource (dev, SYS_RES_IRQ, &bd->irq_rid,
617 irq, irq + 1, 1, RF_ACTIVE);
618 if (! bd->irq_res) {
619 printf ("ct%d: Couldn't allocate irq\n", unit);
620 bus_release_resource (dev, SYS_RES_DRQ, bd->drq_rid,
621 bd->drq_res);
622 bus_release_resource (dev, SYS_RES_IOPORT, bd->base_rid,
623 bd->base_res);
624 return ENXIO;
625 }
626
627 b = malloc (sizeof (ct_board_t), M_DEVBUF, M_WAITOK);
628 if (!b) {
629 printf ("ct:%d: Couldn't allocate memory\n", unit);
630 return (ENXIO);
631 }
632 adapter[unit] = b;
633 bzero (b, sizeof(ct_board_t));
634
635 if (! ct_open_board (b, unit, iobase, irq, drq)) {
636 printf ("ct%d: error loading firmware\n", unit);
637 free (b, M_DEVBUF);
638 bus_release_resource (dev, SYS_RES_IRQ, bd->irq_rid,
639 bd->irq_res);
640 bus_release_resource (dev, SYS_RES_DRQ, bd->drq_rid,
641 bd->drq_res);
642 bus_release_resource (dev, SYS_RES_IOPORT, bd->base_rid,
643 bd->base_res);
644 return ENXIO;
645 }
646
647 bd->board = b;
648
649 ct_ln[2] = '0' + unit;
650 mtx_init (&bd->ct_mtx, ct_ln, MTX_NETWORK_LOCK, MTX_DEF|MTX_RECURSE);
651 if (! probe_irq (b, irq)) {
652 printf ("ct%d: irq %ld not functional\n", unit, irq);
653 bd->board = 0;
654 adapter [unit] = 0;
655 free (b, M_DEVBUF);
656 bus_release_resource (dev, SYS_RES_IRQ, bd->irq_rid,
657 bd->irq_res);
658 bus_release_resource (dev, SYS_RES_DRQ, bd->drq_rid,
659 bd->drq_res);
660 bus_release_resource (dev, SYS_RES_IOPORT, bd->base_rid,
661 bd->base_res);
662 mtx_destroy (&bd->ct_mtx);
663 return ENXIO;
664 }
665
666 callout_init (&led_timo[unit], CALLOUT_MPSAFE);
667 s = splimp ();
668 if (bus_setup_intr (dev, bd->irq_res,
669 INTR_TYPE_NET|INTR_MPSAFE,
670 NULL, ct_intr, bd, &bd->intrhand)) {
671 printf ("ct%d: Can't setup irq %ld\n", unit, irq);
672 bd->board = 0;
673 adapter [unit] = 0;
674 free (b, M_DEVBUF);
675 bus_release_resource (dev, SYS_RES_IRQ, bd->irq_rid,
676 bd->irq_res);
677 bus_release_resource (dev, SYS_RES_DRQ, bd->drq_rid,
678 bd->drq_res);
679 bus_release_resource (dev, SYS_RES_IOPORT, bd->base_rid,
680 bd->base_res);
681 mtx_destroy (&bd->ct_mtx);
682 splx (s);
683 return ENXIO;
684 }
685
686 CT_LOCK (bd);
687 ct_init_board (b, b->num, b->port, irq, drq, b->type, b->osc);
688 ct_setup_board (b, 0, 0, 0);
689 CT_UNLOCK (bd);
690
691 printf ("ct%d: <Cronyx-%s>, clock %s MHz\n", b->num, b->name,
692 b->osc == 20000000 ? "20" : "16.384");
693
694 for (c = b->chan; c < b->chan + NCHAN; ++c) {
695 d = &bd->channel[c->num];
696 d->dmamem.size = sizeof(ct_buf_t);
697 if (! ct_bus_dma_mem_alloc (unit, c->num, &d->dmamem))
698 continue;
699 d->board = b;
700 d->chan = c;
701 d->bd = bd;
702 c->sys = d;
703 channel [b->num*NCHAN + c->num] = d;
704 sprintf (d->name, "ct%d.%d", b->num, c->num);
705 callout_init (&d->timeout_handle, CALLOUT_MPSAFE);
706
707#ifdef NETGRAPH
708 if (ng_make_node_common (&typestruct, &d->node) != 0) {
709 printf ("%s: cannot make common node\n", d->name);
710 channel [b->num*NCHAN + c->num] = 0;
711 c->sys = 0;
712 ct_bus_dma_mem_free (&d->dmamem);
713 continue;
714 }
715 NG_NODE_SET_PRIVATE (d->node, d);
716 sprintf (d->nodename, "%s%d", NG_CT_NODE_TYPE,
717 c->board->num*NCHAN + c->num);
718 if (ng_name_node (d->node, d->nodename)) {
719 printf ("%s: cannot name node\n", d->nodename);
720 NG_NODE_UNREF (d->node);
721 channel [b->num*NCHAN + c->num] = 0;
722 c->sys = 0;
723 ct_bus_dma_mem_free (&d->dmamem);
724 continue;
725 }
726 d->queue.ifq_maxlen = ifqmaxlen;
727 d->hi_queue.ifq_maxlen = ifqmaxlen;
728 mtx_init (&d->queue.ifq_mtx, "ct_queue", NULL, MTX_DEF);
729 mtx_init (&d->hi_queue.ifq_mtx, "ct_queue_hi", NULL, MTX_DEF);
730#else /*NETGRAPH*/
731 d->ifp = if_alloc(IFT_PPP);
732 if (d->ifp == NULL) {
733 printf ("%s: cannot if_alloc common interface\n",
734 d->name);
735 channel [b->num*NCHAN + c->num] = 0;
736 c->sys = 0;
737 ct_bus_dma_mem_free (&d->dmamem);
738 continue;
739 }
740 d->ifp->if_softc = d;
741 if_initname (d->ifp, "ct", b->num * NCHAN + c->num);
742 d->ifp->if_mtu = PP_MTU;
743 d->ifp->if_flags = IFF_POINTOPOINT | IFF_MULTICAST;
744 d->ifp->if_ioctl = ct_sioctl;
745 d->ifp->if_start = ct_ifstart;
746 d->ifp->if_init = ct_initialize;
747 d->queue.ifq_maxlen = NBUF;
748 mtx_init (&d->queue.ifq_mtx, "ct_queue", NULL, MTX_DEF);
749 sppp_attach (d->ifp);
750 if_attach (d->ifp);
751 IFP2SP(d->ifp)->pp_tlf = ct_tlf;
752 IFP2SP(d->ifp)->pp_tls = ct_tls;
753 /* If BPF is in the kernel, call the attach for it.
754 * Header size is 4 bytes. */
755 bpfattach (d->ifp, DLT_PPP, 4);
756#endif /*NETGRAPH*/
757 CT_LOCK (bd);
758 ct_start_chan (c, d->dmamem.virt, d->dmamem.phys);
759 ct_register_receive (c, &ct_receive);
760 ct_register_transmit (c, &ct_transmit);
761 ct_register_error (c, &ct_error);
762 CT_UNLOCK (bd);
763 d->devt = make_dev (&ct_cdevsw, b->num*NCHAN+c->num, UID_ROOT,
764 GID_WHEEL, 0600, "ct%d", b->num*NCHAN+c->num);
765 }
766 splx (s);
767
768 return 0;
769}
770
771static int ct_detach (device_t dev)
772{
773 bdrv_t *bd = device_get_softc (dev);
774 ct_board_t *b = bd->board;
775 ct_chan_t *c;
776 int s;
777
778 KASSERT (mtx_initialized (&bd->ct_mtx), ("ct mutex not initialized"));
779
780 s = splimp ();
781 CT_LOCK (bd);
782 /* Check if the device is busy (open). */
783 for (c = b->chan; c < b->chan + NCHAN; ++c) {
784 drv_t *d = (drv_t*) c->sys;
785
786 if (!d || !d->chan->type)
787 continue;
788
789 if (d->running) {
790 CT_UNLOCK (bd);
791 splx (s);
792 return EBUSY;
793 }
794 }
795
796 /* Deactivate the timeout routine. */
797 callout_stop (&led_timo[b->num]);
798
799 CT_UNLOCK (bd);
800
801 bus_teardown_intr (dev, bd->irq_res, bd->intrhand);
802 bus_release_resource (dev, SYS_RES_IRQ, bd->irq_rid, bd->irq_res);
803
804 bus_release_resource (dev, SYS_RES_DRQ, bd->drq_rid, bd->drq_res);
805
806 bus_release_resource (dev, SYS_RES_IOPORT, bd->base_rid, bd->base_res);
807
808 CT_LOCK (bd);
809 ct_close_board (b);
810 CT_UNLOCK (bd);
811
812 /* Detach the interfaces, free buffer memory. */
813 for (c = b->chan; c < b->chan + NCHAN; ++c) {
814 drv_t *d = (drv_t*) c->sys;
815
816 if (!d || !d->chan->type)
817 continue;
818
819 callout_stop (&d->timeout_handle);
820#ifdef NETGRAPH
821 if (d->node) {
822 ng_rmnode_self (d->node);
823 NG_NODE_UNREF (d->node);
824 d->node = NULL;
825 }
826 mtx_destroy (&d->queue.ifq_mtx);
827 mtx_destroy (&d->hi_queue.ifq_mtx);
828#else
829 /* Detach from the packet filter list of interfaces. */
830 bpfdetach (d->ifp);
831
832 /* Detach from the sync PPP list. */
833 sppp_detach (d->ifp);
834
835 if_detach (d->ifp);
836 if_free (d->ifp);
837 IF_DRAIN (&d->queue);
838 mtx_destroy (&d->queue.ifq_mtx);
839#endif
840 destroy_dev (d->devt);
841 }
842
843 CT_LOCK (bd);
844 ct_led_off (b);
845 CT_UNLOCK (bd);
846 callout_drain (&led_timo[b->num]);
847 splx (s);
848
849 for (c = b->chan; c < b->chan + NCHAN; ++c) {
850 drv_t *d = (drv_t*) c->sys;
851
852 if (!d || !d->chan->type)
853 continue;
854 callout_drain(&d->timeout_handle);
855
856 /* Deallocate buffers. */
857 ct_bus_dma_mem_free (&d->dmamem);
858 }
859 bd->board = 0;
860 adapter [b->num] = 0;
861 free (b, M_DEVBUF);
862
863 mtx_destroy (&bd->ct_mtx);
864
865 return 0;
866}
867
868#ifndef NETGRAPH
869static void ct_ifstart (struct ifnet *ifp)
870{
871 drv_t *d = ifp->if_softc;
872 bdrv_t *bd = d->bd;
873
874 CT_LOCK (bd);
875 ct_start (d);
876 CT_UNLOCK (bd);
877}
878
879static void ct_tlf (struct sppp *sp)
880{
881 drv_t *d = SP2IFP(sp)->if_softc;
882
883 CT_DEBUG (d, ("ct_tlf\n"));
884/* ct_set_dtr (d->chan, 0);*/
885/* ct_set_rts (d->chan, 0);*/
886 if (!(sp->pp_flags & PP_FR) && !(d->ifp->if_flags & PP_CISCO))
887 sp->pp_down (sp);
888}
889
890static void ct_tls (struct sppp *sp)
891{
892 drv_t *d = SP2IFP(sp)->if_softc;
893
894 CT_DEBUG (d, ("ct_tls\n"));
895 if (!(sp->pp_flags & PP_FR) && !(d->ifp->if_flags & PP_CISCO))
896 sp->pp_up (sp);
897}
898
899/*
900 * Initialization of interface.
901 * Ii seems to be never called by upper level.
902 */
903static void ct_initialize (void *softc)
904{
905 drv_t *d = softc;
906
907 CT_DEBUG (d, ("ct_initialize\n"));
908}
909
910/*
911 * Process an ioctl request.
912 */
913static int ct_sioctl (struct ifnet *ifp, u_long cmd, caddr_t data)
914{
915 drv_t *d = ifp->if_softc;
916 bdrv_t *bd = d->bd;
917 int error, s, was_up, should_be_up;
918
919 was_up = (ifp->if_drv_flags & IFF_DRV_RUNNING) != 0;
920 error = sppp_ioctl (ifp, cmd, data);
921 if (error)
922 return error;
923
924 if (! (ifp->if_flags & IFF_DEBUG))
925 d->chan->debug = 0;
926 else
927 d->chan->debug = d->chan->debug_shadow;
928
929 switch (cmd) {
930 default: CT_DEBUG2 (d, ("ioctl 0x%lx\n", cmd)); return 0;
931 case SIOCADDMULTI: CT_DEBUG2 (d, ("SIOCADDMULTI\n")); return 0;
932 case SIOCDELMULTI: CT_DEBUG2 (d, ("SIOCDELMULTI\n")); return 0;
933 case SIOCSIFFLAGS: CT_DEBUG2 (d, ("SIOCSIFFLAGS\n")); break;
934 case SIOCSIFADDR: CT_DEBUG2 (d, ("SIOCSIFADDR\n")); break;
935 }
936
937 /* We get here only in case of SIFFLAGS or SIFADDR. */
938 s = splimp ();
939 CT_LOCK (bd);
940 should_be_up = (ifp->if_drv_flags & IFF_DRV_RUNNING) != 0;
941 if (! was_up && should_be_up) {
942 /* Interface goes up -- start it. */
943 ct_up (d);
944 ct_start (d);
945 } else if (was_up && ! should_be_up) {
946 /* Interface is going down -- stop it. */
947 /* if ((IFP2SP(d->ifp)->pp_flags & PP_FR) || (ifp->if_flags & PP_CISCO))*/
948 ct_down (d);
949 }
950 CT_UNLOCK (bd);
951 splx (s);
952 return 0;
953}
954#endif /*NETGRAPH*/
955
956/*
957 * Stop the interface. Called on splimp().
958 */
959static void ct_down (drv_t *d)
960{
961 int s = splimp ();
962 CT_DEBUG (d, ("ct_down\n"));
963 ct_set_dtr (d->chan, 0);
964 ct_set_rts (d->chan, 0);
965 d->running = 0;
966 callout_stop (&d->timeout_handle);
967 splx (s);
968}
969
970/*
971 * Start the interface. Called on splimp().
972 */
973static void ct_up (drv_t *d)
974{
975 int s = splimp ();
976 CT_DEBUG (d, ("ct_up\n"));
977 ct_set_dtr (d->chan, 1);
978 ct_set_rts (d->chan, 1);
979 d->running = 1;
980 splx (s);
981}
982
983/*
984 * Start output on the (slave) interface. Get another datagram to send
985 * off of the interface queue, and copy it to the interface
986 * before starting the output.
987 */
988static void ct_send (drv_t *d)
989{
990 struct mbuf *m;
991 u_short len;
992
993 CT_DEBUG2 (d, ("ct_send, tn=%d\n", d->chan->tn));
994
995 /* No output if the interface is down. */
996 if (! d->running)
997 return;
998
999 /* No output if the modem is off. */
1000 if (! ct_get_dsr (d->chan) && !ct_get_loop (d->chan))
1001 return;
1002
1003 while (ct_buf_free (d->chan)) {
1004 /* Get the packet to send. */
1005#ifdef NETGRAPH
1006 IF_DEQUEUE (&d->hi_queue, m);
1007 if (! m)
1008 IF_DEQUEUE (&d->queue, m);
1009#else
1010 m = sppp_dequeue (d->ifp);
1011#endif
1012 if (! m)
1013 return;
1014#ifndef NETGRAPH
1015 BPF_MTAP (d->ifp, m);
1016#endif
1017 len = m_length (m, NULL);
1018 if (! m->m_next)
1019 ct_send_packet (d->chan, (u_char*)mtod (m, caddr_t),
1020 len, 0);
1021 else {
1022 m_copydata (m, 0, len, d->chan->tbuf[d->chan->te]);
1023 ct_send_packet (d->chan, d->chan->tbuf[d->chan->te],
1024 len, 0);
1025 }
1026 m_freem (m);
1027
1028 /* Set up transmit timeout, if the transmit ring is not empty.
1029 * Transmit timeout is 10 seconds. */
1030 d->timeout = 10;
1031 }
1032#ifndef NETGRAPH
1033 d->ifp->if_drv_flags |= IFF_DRV_OACTIVE;
1034#endif
1035}
1036
1037/*
1038 * Start output on the interface.
1039 * Always called on splimp().
1040 */
1041static void ct_start (drv_t *d)
1042{
1043 int s = splimp ();
1044
1045 if (d->running) {
1046 if (! d->chan->dtr)
1047 ct_set_dtr (d->chan, 1);
1048 if (! d->chan->rts)
1049 ct_set_rts (d->chan, 1);
1050 ct_send (d);
1051 callout_reset (&d->timeout_handle, hz, ct_watchdog_timer, d);
1052 }
1053
1054 splx (s);
1055}
1056
1057/*
1058 * Handle transmit timeouts.
1059 * Recover after lost transmit interrupts.
1060 * Always called on splimp().
1061 */
1062static void ct_watchdog (drv_t *d)
1063{
1064
1065 CT_DEBUG (d, ("device timeout\n"));
1066 if (d->running) {
1067 ct_setup_chan (d->chan);
1068 ct_start_chan (d->chan, 0, 0);
1069 ct_set_dtr (d->chan, 1);
1070 ct_set_rts (d->chan, 1);
1071 ct_start (d);
1072 }
1073}
1074
1075static void ct_watchdog_timer (void *arg)
1076{
1077 drv_t *d = arg;
1078 bdrv_t *bd = d->bd;
1079
1080 CT_LOCK (bd);
1081 if (d->timeout == 1)
1082 ct_watchdog (d);
1083 if (d->timeout)
1084 d->timeout--;
1085 callout_reset (&d->timeout_handle, hz, ct_watchdog_timer, d);
1086 CT_UNLOCK (bd);
1087}
1088
1089/*
1090 * Transmit callback function.
1091 */
1092static void ct_transmit (ct_chan_t *c, void *attachment, int len)
1093{
1094 drv_t *d = c->sys;
1095
1096 if (!d)
1097 return;
1098 d->timeout = 0;
1099#ifndef NETGRAPH
1100 ++d->ifp->if_opackets;
1101 d->ifp->if_drv_flags &= ~IFF_DRV_OACTIVE;
1102#endif
1103 ct_start (d);
1104}
1105
1106/*
1107 * Process the received packet.
1108 */
1109static void ct_receive (ct_chan_t *c, char *data, int len)
1110{
1111 drv_t *d = c->sys;
1112 struct mbuf *m;
1113#ifdef NETGRAPH
1114 int error;
1115#endif
1116
1117 if (!d || !d->running)
1118 return;
1119
1120 m = makembuf (data, len);
1121 if (! m) {
1122 CT_DEBUG (d, ("no memory for packet\n"));
1123#ifndef NETGRAPH
1124 ++d->ifp->if_iqdrops;
1125#endif
1126 return;
1127 }
1128 if (c->debug > 1)
1129 printmbuf (m);
1130#ifdef NETGRAPH
1131 m->m_pkthdr.rcvif = 0;
1132 NG_SEND_DATA_ONLY (error, d->hook, m);
1133#else
1134 ++d->ifp->if_ipackets;
1135 m->m_pkthdr.rcvif = d->ifp;
1136 /* Check if there's a BPF listener on this interface.
1137 * If so, hand off the raw packet to bpf. */
1138 BPF_TAP (d->ifp, data, len);
1139 IF_ENQUEUE (&d->queue, m);
1140#endif
1141}
1142
1143/*
1144 * Error callback function.
1145 */
1146static void ct_error (ct_chan_t *c, int data)
1147{
1148 drv_t *d = c->sys;
1149
1150 if (!d)
1151 return;
1152
1153 switch (data) {
1154 case CT_FRAME:
1155 CT_DEBUG (d, ("frame error\n"));
1156#ifndef NETGRAPH
1157 ++d->ifp->if_ierrors;
1158#endif
1159 break;
1160 case CT_CRC:
1161 CT_DEBUG (d, ("crc error\n"));
1162#ifndef NETGRAPH
1163 ++d->ifp->if_ierrors;
1164#endif
1165 break;
1166 case CT_OVERRUN:
1167 CT_DEBUG (d, ("overrun error\n"));
1168#ifndef NETGRAPH
1169 ++d->ifp->if_collisions;
1170 ++d->ifp->if_ierrors;
1171#endif
1172 break;
1173 case CT_OVERFLOW:
1174 CT_DEBUG (d, ("overflow error\n"));
1175#ifndef NETGRAPH
1176 ++d->ifp->if_ierrors;
1177#endif
1178 break;
1179 case CT_UNDERRUN:
1180 CT_DEBUG (d, ("underrun error\n"));
1181 d->timeout = 0;
1182#ifndef NETGRAPH
1183 ++d->ifp->if_oerrors;
1184 d->ifp->if_drv_flags &= ~IFF_DRV_OACTIVE;
1185#endif
1186 ct_start (d);
1187 break;
1188 default:
1189 CT_DEBUG (d, ("error #%d\n", data));
1190 }
1191}
1192
1193static int ct_open (struct cdev *dev, int oflags, int devtype, struct thread *td)
1194{
1195 drv_t *d;
1196
1197 if (dev2unit(dev) >= NCTAU*NCHAN || ! (d = channel[dev2unit(dev)]))
1198 return ENXIO;
1199
1200 CT_DEBUG2 (d, ("ct_open\n"));
1201 return 0;
1202}
1203
1204static int ct_close (struct cdev *dev, int fflag, int devtype, struct thread *td)
1205{
1206 drv_t *d = channel [dev2unit(dev)];
1207
1208 if (!d)
1209 return 0;
1210
1211 CT_DEBUG2 (d, ("ct_close\n"));
1212 return 0;
1213}
1214
1215static int ct_modem_status (ct_chan_t *c)
1216{
1217 drv_t *d = c->sys;
1218 bdrv_t *bd;
1219 int status, s;
1220
1221 if (!d)
1222 return 0;
1223
1224 bd = d->bd;
1225
1226 status = d->running ? TIOCM_LE : 0;
1227 s = splimp ();
1228 CT_LOCK (bd);
1229 if (ct_get_cd (c)) status |= TIOCM_CD;
1230 if (ct_get_cts (c)) status |= TIOCM_CTS;
1231 if (ct_get_dsr (c)) status |= TIOCM_DSR;
1232 if (c->dtr) status |= TIOCM_DTR;
1233 if (c->rts) status |= TIOCM_RTS;
1234 CT_UNLOCK (bd);
1235 splx (s);
1236 return status;
1237}
1238
1239/*
1240 * Process an ioctl request on /dev/cronyx/ctauN.
1241 */
1242static int ct_ioctl (struct cdev *dev, u_long cmd, caddr_t data, int flag, struct thread *td)
1243{
1244 drv_t *d = channel [dev2unit (dev)];
1245 bdrv_t *bd;
1246 ct_chan_t *c;
1247 struct serial_statistics *st;
1248 struct e1_statistics *opte1;
1249 int error, s;
1250 char mask[16];
1251
1252 if (!d || !d->chan)
1253 return 0;
1254
1255 bd = d->bd;
1256 c = d->chan;
1257
1258 switch (cmd) {
1259 case SERIAL_GETREGISTERED:
1260 bzero (mask, sizeof(mask));
1261 for (s=0; s<NCTAU*NCHAN; ++s)
1262 if (channel [s])
1263 mask [s/8] |= 1 << (s & 7);
1264 bcopy (mask, data, sizeof (mask));
1265 return 0;
1266
1267#ifndef NETGRAPH
1268 case SERIAL_GETPROTO:
1269 strcpy ((char*)data, (IFP2SP(d->ifp)->pp_flags & PP_FR) ? "fr" :
1270 (d->ifp->if_flags & PP_CISCO) ? "cisco" : "ppp");
1271 return 0;
1272
1273 case SERIAL_SETPROTO:
1274 /* Only for superuser! */
1275 error = priv_check (td, PRIV_DRIVER);
1276 if (error)
1277 return error;
1278 if (d->ifp->if_drv_flags & IFF_DRV_RUNNING)
1279 return EBUSY;
1280 if (! strcmp ("cisco", (char*)data)) {
1281 IFP2SP(d->ifp)->pp_flags &= ~(PP_FR);
1282 IFP2SP(d->ifp)->pp_flags |= PP_KEEPALIVE;
1283 d->ifp->if_flags |= PP_CISCO;
1284 } else if (! strcmp ("fr", (char*)data)) {
1285 d->ifp->if_flags &= ~(PP_CISCO);
1286 IFP2SP(d->ifp)->pp_flags |= PP_FR | PP_KEEPALIVE;
1287 } else if (! strcmp ("ppp", (char*)data)) {
1288 IFP2SP(d->ifp)->pp_flags &= ~(PP_FR | PP_KEEPALIVE);
1289 d->ifp->if_flags &= ~(PP_CISCO);
1290 } else
1291 return EINVAL;
1292 return 0;
1293
1294 case SERIAL_GETKEEPALIVE:
1295 if ((IFP2SP(d->ifp)->pp_flags & PP_FR) ||
1296 (d->ifp->if_flags & PP_CISCO))
1297 return EINVAL;
1298 *(int*)data = (IFP2SP(d->ifp)->pp_flags & PP_KEEPALIVE) ? 1 : 0;
1299 return 0;
1300
1301 case SERIAL_SETKEEPALIVE:
1302 /* Only for superuser! */
1303 error = priv_check (td, PRIV_DRIVER);
1304 if (error)
1305 return error;
1306 if ((IFP2SP(d->ifp)->pp_flags & PP_FR) ||
1307 (d->ifp->if_flags & PP_CISCO))
1308 return EINVAL;
1309 if (*(int*)data)
1310 IFP2SP(d->ifp)->pp_flags |= PP_KEEPALIVE;
1311 else
1312 IFP2SP(d->ifp)->pp_flags &= ~PP_KEEPALIVE;
1313 return 0;
1314#endif /*NETGRAPH*/
1315
1316 case SERIAL_GETMODE:
1317 *(int*)data = SERIAL_HDLC;
1318 return 0;
1319
1320 case SERIAL_GETCFG:
1321 if (c->mode == M_HDLC)
1322 return EINVAL;
1323 switch (ct_get_config (c->board)) {
1324 default: *(char*)data = 'a'; break;
1325 case CFG_B: *(char*)data = 'b'; break;
1326 case CFG_C: *(char*)data = 'c'; break;
1327 }
1328 return 0;
1329
1330 case SERIAL_SETCFG:
1331 /* Only for superuser! */
1332 error = priv_check (td, PRIV_DRIVER);
1333 if (error)
1334 return error;
1335 if (c->mode == M_HDLC)
1336 return EINVAL;
1337 s = splimp ();
1338 CT_LOCK (bd);
1339 switch (*(char*)data) {
1340 case 'a': ct_set_config (c->board, CFG_A); break;
1341 case 'b': ct_set_config (c->board, CFG_B); break;
1342 case 'c': ct_set_config (c->board, CFG_C); break;
1343 }
1344 CT_UNLOCK (bd);
1345 splx (s);
1346 return 0;
1347
1348 case SERIAL_GETSTAT:
1349 st = (struct serial_statistics*) data;
1350 st->rintr = c->rintr;
1351 st->tintr = c->tintr;
1352 st->mintr = c->mintr;
1353 st->ibytes = c->ibytes;
1354 st->ipkts = c->ipkts;
1355 st->ierrs = c->ierrs;
1356 st->obytes = c->obytes;
1357 st->opkts = c->opkts;
1358 st->oerrs = c->oerrs;
1359 return 0;
1360
1361 case SERIAL_GETESTAT:
1362 opte1 = (struct e1_statistics*)data;
1363 opte1->status = c->status;
1364 opte1->cursec = c->cursec;
1365 opte1->totsec = c->totsec + c->cursec;
1366
1367 opte1->currnt.bpv = c->currnt.bpv;
1368 opte1->currnt.fse = c->currnt.fse;
1369 opte1->currnt.crce = c->currnt.crce;
1370 opte1->currnt.rcrce = c->currnt.rcrce;
1371 opte1->currnt.uas = c->currnt.uas;
1372 opte1->currnt.les = c->currnt.les;
1373 opte1->currnt.es = c->currnt.es;
1374 opte1->currnt.bes = c->currnt.bes;
1375 opte1->currnt.ses = c->currnt.ses;
1376 opte1->currnt.oofs = c->currnt.oofs;
1377 opte1->currnt.css = c->currnt.css;
1378 opte1->currnt.dm = c->currnt.dm;
1379
1380 opte1->total.bpv = c->total.bpv + c->currnt.bpv;
1381 opte1->total.fse = c->total.fse + c->currnt.fse;
1382 opte1->total.crce = c->total.crce + c->currnt.crce;
1383 opte1->total.rcrce = c->total.rcrce + c->currnt.rcrce;
1384 opte1->total.uas = c->total.uas + c->currnt.uas;
1385 opte1->total.les = c->total.les + c->currnt.les;
1386 opte1->total.es = c->total.es + c->currnt.es;
1387 opte1->total.bes = c->total.bes + c->currnt.bes;
1388 opte1->total.ses = c->total.ses + c->currnt.ses;
1389 opte1->total.oofs = c->total.oofs + c->currnt.oofs;
1390 opte1->total.css = c->total.css + c->currnt.css;
1391 opte1->total.dm = c->total.dm + c->currnt.dm;
1392 for (s=0; s<48; ++s) {
1393 opte1->interval[s].bpv = c->interval[s].bpv;
1394 opte1->interval[s].fse = c->interval[s].fse;
1395 opte1->interval[s].crce = c->interval[s].crce;
1396 opte1->interval[s].rcrce = c->interval[s].rcrce;
1397 opte1->interval[s].uas = c->interval[s].uas;
1398 opte1->interval[s].les = c->interval[s].les;
1399 opte1->interval[s].es = c->interval[s].es;
1400 opte1->interval[s].bes = c->interval[s].bes;
1401 opte1->interval[s].ses = c->interval[s].ses;
1402 opte1->interval[s].oofs = c->interval[s].oofs;
1403 opte1->interval[s].css = c->interval[s].css;
1404 opte1->interval[s].dm = c->interval[s].dm;
1405 }
1406 return 0;
1407
1408 case SERIAL_CLRSTAT:
1409 /* Only for superuser! */
1410 error = priv_check (td, PRIV_DRIVER);
1411 if (error)
1412 return error;
1413 c->rintr = 0;
1414 c->tintr = 0;
1415 c->mintr = 0;
1416 c->ibytes = 0;
1417 c->ipkts = 0;
1418 c->ierrs = 0;
1419 c->obytes = 0;
1420 c->opkts = 0;
1421 c->oerrs = 0;
1422 bzero (&c->currnt, sizeof (c->currnt));
1423 bzero (&c->total, sizeof (c->total));
1424 bzero (c->interval, sizeof (c->interval));
1425 return 0;
1426
1427 case SERIAL_GETBAUD:
1428 *(long*)data = ct_get_baud(c);
1429 return 0;
1430
1431 case SERIAL_SETBAUD:
1432 /* Only for superuser! */
1433 error = priv_check (td, PRIV_DRIVER);
1434 if (error)
1435 return error;
1436 s = splimp ();
1437 CT_LOCK (bd);
1438 ct_set_baud (c, *(long*)data);
1439 CT_UNLOCK (bd);
1440 splx (s);
1441 return 0;
1442
1443 case SERIAL_GETLOOP:
1444 *(int*)data = ct_get_loop (c);
1445 return 0;
1446
1447 case SERIAL_SETLOOP:
1448 /* Only for superuser! */
1449 error = priv_check (td, PRIV_DRIVER);
1450 if (error)
1451 return error;
1452 s = splimp ();
1453 CT_LOCK (bd);
1454 ct_set_loop (c, *(int*)data);
1455 CT_UNLOCK (bd);
1456 splx (s);
1457 return 0;
1458
1459 case SERIAL_GETDPLL:
1460 if (c->mode == M_E1 || c->mode == M_G703)
1461 return EINVAL;
1462 *(int*)data = ct_get_dpll (c);
1463 return 0;
1464
1465 case SERIAL_SETDPLL:
1466 /* Only for superuser! */
1467 error = priv_check (td, PRIV_DRIVER);
1468 if (error)
1469 return error;
1470 if (c->mode == M_E1 || c->mode == M_G703)
1471 return EINVAL;
1472 s = splimp ();
1473 CT_LOCK (bd);
1474 ct_set_dpll (c, *(int*)data);
1475 CT_UNLOCK (bd);
1476 splx (s);
1477 return 0;
1478
1479 case SERIAL_GETNRZI:
1480 if (c->mode == M_E1 || c->mode == M_G703)
1481 return EINVAL;
1482 *(int*)data = ct_get_nrzi (c);
1483 return 0;
1484
1485 case SERIAL_SETNRZI:
1486 /* Only for superuser! */
1487 error = priv_check (td, PRIV_DRIVER);
1488 if (error)
1489 return error;
1490 if (c->mode == M_E1 || c->mode == M_G703)
1491 return EINVAL;
1492 s = splimp ();
1493 CT_LOCK (bd);
1494 ct_set_nrzi (c, *(int*)data);
1495 CT_UNLOCK (bd);
1496 splx (s);
1497 return 0;
1498
1499 case SERIAL_GETDEBUG:
1500 *(int*)data = c->debug;
1501 return 0;
1502
1503 case SERIAL_SETDEBUG:
1504 /* Only for superuser! */
1505 error = priv_check (td, PRIV_DRIVER);
1506 if (error)
1507 return error;
1508#ifndef NETGRAPH
1509 /*
1510 * The debug_shadow is always greater than zero for logic
1511 * simplicity. For switching debug off the IFF_DEBUG is
1512 * responsible.
1513 */
1514 c->debug_shadow = (*(int*)data) ? (*(int*)data) : 1;
1515 if (d->ifp->if_flags & IFF_DEBUG)
1516 c->debug = c->debug_shadow;
1517#else
1518 c->debug = *(int*)data;
1519#endif
1520 return 0;
1521
1522 case SERIAL_GETHIGAIN:
1523 if (c->mode != M_E1)
1524 return EINVAL;
1525 *(int*)data = ct_get_higain (c);
1526 return 0;
1527
1528 case SERIAL_SETHIGAIN:
1529 /* Only for superuser! */
1530 error = priv_check (td, PRIV_DRIVER);
1531 if (error)
1532 return error;
1533 s = splimp ();
1534 CT_LOCK (bd);
1535 ct_set_higain (c, *(int*)data);
1536 CT_UNLOCK (bd);
1537 splx (s);
1538 return 0;
1539
1540 case SERIAL_GETPHONY:
1541 CT_DEBUG2 (d, ("ioctl: getphony\n"));
1542 if (c->mode != M_E1)
1543 return EINVAL;
1544 *(int*)data = c->gopt.phony;
1545 return 0;
1546
1547 case SERIAL_SETPHONY:
1548 CT_DEBUG2 (d, ("ioctl: setphony\n"));
1549 if (c->mode != M_E1)
1550 return EINVAL;
1551 /* Only for superuser! */
1552 error = priv_check (td, PRIV_DRIVER);
1553 if (error)
1554 return error;
1555 s = splimp ();
1556 CT_LOCK (bd);
1557 ct_set_phony (c, *(int*)data);
1558 CT_UNLOCK (bd);
1559 splx (s);
1560 return 0;
1561
1562 case SERIAL_GETCLK:
1563 if (c->mode != M_E1 && c->mode != M_G703)
1564 return EINVAL;
1565 switch (ct_get_clk(c)) {
1566 default: *(int*)data = E1CLK_INTERNAL; break;
1567 case GCLK_RCV: *(int*)data = E1CLK_RECEIVE; break;
1568 case GCLK_RCLKO: *(int*)data = c->num ?
1569 E1CLK_RECEIVE_CHAN0 : E1CLK_RECEIVE_CHAN1; break;
1570 }
1571 return 0;
1572
1573 case SERIAL_SETCLK:
1574 /* Only for superuser! */
1575 error = priv_check (td, PRIV_DRIVER);
1576 if (error)
1577 return error;
1578 s = splimp ();
1579 CT_LOCK (bd);
1580 switch (*(int*)data) {
1581 default: ct_set_clk (c, GCLK_INT); break;
1582 case E1CLK_RECEIVE: ct_set_clk (c, GCLK_RCV); break;
1583 case E1CLK_RECEIVE_CHAN0:
1584 case E1CLK_RECEIVE_CHAN1:
1585 ct_set_clk (c, GCLK_RCLKO); break;
1586 }
1587 CT_UNLOCK (bd);
1588 splx (s);
1589 return 0;
1590
1591 case SERIAL_GETTIMESLOTS:
1592 if (c->mode != M_E1)
1593 return EINVAL;
1594 *(long*)data = ct_get_ts (c);
1595 return 0;
1596
1597 case SERIAL_SETTIMESLOTS:
1598 /* Only for superuser! */
1599 error = priv_check (td, PRIV_DRIVER);
1600 if (error)
1601 return error;
1602 s = splimp ();
1603 CT_LOCK (bd);
1604 ct_set_ts (c, *(long*)data);
1605 CT_UNLOCK (bd);
1606 splx (s);
1607 return 0;
1608
1609 case SERIAL_GETSUBCHAN:
1610 if (c->mode != M_E1)
1611 return EINVAL;
1612 *(long*)data = ct_get_subchan (c->board);
1613 return 0;
1614
1615 case SERIAL_SETSUBCHAN:
1616 /* Only for superuser! */
1617 error = priv_check (td, PRIV_DRIVER);
1618 if (error)
1619 return error;
1620 s = splimp ();
1621 CT_LOCK (bd);
1622 ct_set_subchan (c->board, *(long*)data);
1623 CT_UNLOCK (bd);
1624 splx (s);
1625 return 0;
1626
1627 case SERIAL_GETINVCLK:
1628 case SERIAL_GETINVTCLK:
1629 if (c->mode == M_E1 || c->mode == M_G703)
1630 return EINVAL;
1631 *(int*)data = ct_get_invtxc (c);
1632 return 0;
1633
1634 case SERIAL_GETINVRCLK:
1635 if (c->mode == M_E1 || c->mode == M_G703)
1636 return EINVAL;
1637 *(int*)data = ct_get_invrxc (c);
1638 return 0;
1639
1640 case SERIAL_SETINVCLK:
1641 case SERIAL_SETINVTCLK:
1642 /* Only for superuser! */
1643 error = priv_check (td, PRIV_DRIVER);
1644 if (error)
1645 return error;
1646 if (c->mode == M_E1 || c->mode == M_G703)
1647 return EINVAL;
1648 s = splimp ();
1649 CT_LOCK (bd);
1650 ct_set_invtxc (c, *(int*)data);
1651 CT_UNLOCK (bd);
1652 splx (s);
1653 return 0;
1654
1655 case SERIAL_SETINVRCLK:
1656 /* Only for superuser! */
1657 error = priv_check (td, PRIV_DRIVER);
1658 if (error)
1659 return error;
1660 if (c->mode == M_E1 || c->mode == M_G703)
1661 return EINVAL;
1662 s = splimp ();
1663 CT_LOCK (bd);
1664 ct_set_invrxc (c, *(int*)data);
1665 CT_UNLOCK (bd);
1666 splx (s);
1667 return 0;
1668
1669 case SERIAL_GETLEVEL:
1670 if (c->mode != M_G703)
1671 return EINVAL;
1672 s = splimp ();
1673 CT_LOCK (bd);
1674 *(int*)data = ct_get_lq (c);
1675 CT_UNLOCK (bd);
1676 splx (s);
1677 return 0;
1678
1679 case TIOCSDTR: /* Set DTR */
1680 s = splimp ();
1681 CT_LOCK (bd);
1682 ct_set_dtr (c, 1);
1683 CT_UNLOCK (bd);
1684 splx (s);
1685 return 0;
1686
1687 case TIOCCDTR: /* Clear DTR */
1688 s = splimp ();
1689 CT_LOCK (bd);
1690 ct_set_dtr (c, 0);
1691 CT_UNLOCK (bd);
1692 splx (s);
1693 return 0;
1694
1695 case TIOCMSET: /* Set DTR/RTS */
1696 s = splimp ();
1697 CT_LOCK (bd);
1698 ct_set_dtr (c, (*(int*)data & TIOCM_DTR) ? 1 : 0);
1699 ct_set_rts (c, (*(int*)data & TIOCM_RTS) ? 1 : 0);
1700 CT_UNLOCK (bd);
1701 splx (s);
1702 return 0;
1703
1704 case TIOCMBIS: /* Add DTR/RTS */
1705 s = splimp ();
1706 CT_LOCK (bd);
1707 if (*(int*)data & TIOCM_DTR) ct_set_dtr (c, 1);
1708 if (*(int*)data & TIOCM_RTS) ct_set_rts (c, 1);
1709 CT_UNLOCK (bd);
1710 splx (s);
1711 return 0;
1712
1713 case TIOCMBIC: /* Clear DTR/RTS */
1714 s = splimp ();
1715 CT_LOCK (bd);
1716 if (*(int*)data & TIOCM_DTR) ct_set_dtr (c, 0);
1717 if (*(int*)data & TIOCM_RTS) ct_set_rts (c, 0);
1718 CT_UNLOCK (bd);
1719 splx (s);
1720 return 0;
1721
1722 case TIOCMGET: /* Get modem status */
1723 *(int*)data = ct_modem_status (c);
1724 return 0;
1725 }
1726 return ENOTTY;
1727}
1728
1729#ifdef NETGRAPH
1730static int ng_ct_constructor (node_p node)
1731{
1732 drv_t *d = NG_NODE_PRIVATE (node);
1733 CT_DEBUG (d, ("Constructor\n"));
1734 return EINVAL;
1735}
1736
1737static int ng_ct_newhook (node_p node, hook_p hook, const char *name)
1738{
1739 int s;
1740 drv_t *d = NG_NODE_PRIVATE (node);
1741
1742 if (!d)
1743 return EINVAL;
1744
1745 bdrv_t *bd = d->bd;
1746
1747 /* Attach debug hook */
1748 if (strcmp (name, NG_CT_HOOK_DEBUG) == 0) {
1749 NG_HOOK_SET_PRIVATE (hook, NULL);
1750 d->debug_hook = hook;
1751 return 0;
1752 }
1753
1754 /* Check for raw hook */
1755 if (strcmp (name, NG_CT_HOOK_RAW) != 0)
1756 return EINVAL;
1757
1758 NG_HOOK_SET_PRIVATE (hook, d);
1759 d->hook = hook;
1760 s = splimp ();
1761 CT_LOCK (bd);
1762 ct_up (d);
1763 CT_UNLOCK (bd);
1764 splx (s);
1765 return 0;
1766}
1767
1768static char *format_timeslots (u_long s)
1769{
1770 static char buf [100];
1771 char *p = buf;
1772 int i;
1773
1774 for (i=1; i<32; ++i)
1775 if ((s >> i) & 1) {
1776 int prev = (i > 1) & (s >> (i-1));
1777 int next = (i < 31) & (s >> (i+1));
1778
1779 if (prev) {
1780 if (next)
1781 continue;
1782 *p++ = '-';
1783 } else if (p > buf)
1784 *p++ = ',';
1785
1786 if (i >= 10)
1787 *p++ = '0' + i / 10;
1788 *p++ = '0' + i % 10;
1789 }
1790 *p = 0;
1791 return buf;
1792}
1793
1794static int print_modems (char *s, ct_chan_t *c, int need_header)
1795{
1796 int status = ct_modem_status (c);
1797 int length = 0;
1798
1799 if (need_header)
1800 length += sprintf (s + length, " LE DTR DSR RTS CTS CD\n");
1801 length += sprintf (s + length, "%4s %4s %4s %4s %4s %4s\n",
1802 status & TIOCM_LE ? "On" : "-",
1803 status & TIOCM_DTR ? "On" : "-",
1804 status & TIOCM_DSR ? "On" : "-",
1805 status & TIOCM_RTS ? "On" : "-",
1806 status & TIOCM_CTS ? "On" : "-",
1807 status & TIOCM_CD ? "On" : "-");
1808 return length;
1809}
1810
1811static int print_stats (char *s, ct_chan_t *c, int need_header)
1812{
1813 struct serial_statistics st;
1814 int length = 0;
1815
1816 st.rintr = c->rintr;
1817 st.tintr = c->tintr;
1818 st.mintr = c->mintr;
1819 st.ibytes = c->ibytes;
1820 st.ipkts = c->ipkts;
1821 st.ierrs = c->ierrs;
1822 st.obytes = c->obytes;
1823 st.opkts = c->opkts;
1824 st.oerrs = c->oerrs;
1825 if (need_header)
1826 length += sprintf (s + length, " Rintr Tintr Mintr Ibytes Ipkts Ierrs Obytes Opkts Oerrs\n");
1827 length += sprintf (s + length, "%7ld %7ld %7ld %8ld %7ld %7ld %8ld %7ld %7ld\n",
1828 st.rintr, st.tintr, st.mintr, st.ibytes, st.ipkts,
1829 st.ierrs, st.obytes, st.opkts, st.oerrs);
1830 return length;
1831}
1832
1833static char *format_e1_status (u_char status)
1834{
1835 static char buf [80];
1836
1837 if (status & E1_NOALARM)
1838 return "Ok";
1839 buf[0] = 0;
1840 if (status & E1_LOS) strcat (buf, ",LOS");
1841 if (status & E1_AIS) strcat (buf, ",AIS");
1842 if (status & E1_LOF) strcat (buf, ",LOF");
1843 if (status & E1_LOMF) strcat (buf, ",LOMF");
1844 if (status & E1_FARLOF) strcat (buf, ",FARLOF");
1845 if (status & E1_AIS16) strcat (buf, ",AIS16");
1846 if (status & E1_FARLOMF) strcat (buf, ",FARLOMF");
1847 if (status & E1_TSTREQ) strcat (buf, ",TSTREQ");
1848 if (status & E1_TSTERR) strcat (buf, ",TSTERR");
1849 if (buf[0] == ',')
1850 return buf+1;
1851 return "Unknown";
1852}
1853
1854static int print_frac (char *s, int leftalign, u_long numerator, u_long divider)
1855{
1856 int n, length = 0;
1857
1858 if (numerator < 1 || divider < 1) {
1859 length += sprintf (s+length, leftalign ? "/- " : " -");
1860 return length;
1861 }
1862 n = (int) (0.5 + 1000.0 * numerator / divider);
1863 if (n < 1000) {
1864 length += sprintf (s+length, leftalign ? "/.%-3d" : " .%03d", n);
1865 return length;
1866 }
1867 *(s + length) = leftalign ? '/' : ' ';
1868 length ++;
1869
1870 if (n >= 1000000) n = (n+500) / 1000 * 1000;
1871 else if (n >= 100000) n = (n+50) / 100 * 100;
1872 else if (n >= 10000) n = (n+5) / 10 * 10;
1873
1874 switch (n) {
1875 case 1000: length += printf (s+length, ".999"); return length;
1876 case 10000: n = 9990; break;
1877 case 100000: n = 99900; break;
1878 case 1000000: n = 999000; break;
1879 }
1880 if (n < 10000) length += sprintf (s+length, "%d.%d", n/1000, n/10%100);
1881 else if (n < 100000) length += sprintf (s+length, "%d.%d", n/1000, n/100%10);
1882 else if (n < 1000000) length += sprintf (s+length, "%d.", n/1000);
1883 else length += sprintf (s+length, "%d", n/1000);
1884
1885 return length;
1886}
1887
1888static int print_e1_stats (char *s, ct_chan_t *c)
1889{
1890 struct e1_counters total;
1891 u_long totsec;
1892 int length = 0;
1893
1894 totsec = c->totsec + c->cursec;
1895 total.bpv = c->total.bpv + c->currnt.bpv;
1896 total.fse = c->total.fse + c->currnt.fse;
1897 total.crce = c->total.crce + c->currnt.crce;
1898 total.rcrce = c->total.rcrce + c->currnt.rcrce;
1899 total.uas = c->total.uas + c->currnt.uas;
1900 total.les = c->total.les + c->currnt.les;
1901 total.es = c->total.es + c->currnt.es;
1902 total.bes = c->total.bes + c->currnt.bes;
1903 total.ses = c->total.ses + c->currnt.ses;
1904 total.oofs = c->total.oofs + c->currnt.oofs;
1905 total.css = c->total.css + c->currnt.css;
1906 total.dm = c->total.dm + c->currnt.dm;
1907
1908 length += sprintf (s + length, " Unav/Degr Bpv/Fsyn CRC/RCRC Err/Lerr Sev/Bur Oof/Slp Status\n");
1909
1910 /* Unavailable seconds, degraded minutes */
1911 length += print_frac (s + length, 0, c->currnt.uas, c->cursec);
1912 length += print_frac (s + length, 1, 60 * c->currnt.dm, c->cursec);
1913
1914 /* Bipolar violations, frame sync errors */
1915 length += print_frac (s + length, 0, c->currnt.bpv, c->cursec);
1916 length += print_frac (s + length, 1, c->currnt.fse, c->cursec);
1917
1918 /* CRC errors, remote CRC errors (E-bit) */
1919 length += print_frac (s + length, 0, c->currnt.crce, c->cursec);
1920 length += print_frac (s + length, 1, c->currnt.rcrce, c->cursec);
1921
1922 /* Errored seconds, line errored seconds */
1923 length += print_frac (s + length, 0, c->currnt.es, c->cursec);
1924 length += print_frac (s + length, 1, c->currnt.les, c->cursec);
1925
1926 /* Severely errored seconds, burst errored seconds */
1927 length += print_frac (s + length, 0, c->currnt.ses, c->cursec);
1928 length += print_frac (s + length, 1, c->currnt.bes, c->cursec);
1929
1930 /* Out of frame seconds, controlled slip seconds */
1931 length += print_frac (s + length, 0, c->currnt.oofs, c->cursec);
1932 length += print_frac (s + length, 1, c->currnt.css, c->cursec);
1933
1934 length += sprintf (s + length, " %s\n", format_e1_status (c->status));
1935
1936 /* Print total statistics. */
1937 length += print_frac (s + length, 0, total.uas, totsec);
1938 length += print_frac (s + length, 1, 60 * total.dm, totsec);
1939
1940 length += print_frac (s + length, 0, total.bpv, totsec);
1941 length += print_frac (s + length, 1, total.fse, totsec);
1942
1943 length += print_frac (s + length, 0, total.crce, totsec);
1944 length += print_frac (s + length, 1, total.rcrce, totsec);
1945
1946 length += print_frac (s + length, 0, total.es, totsec);
1947 length += print_frac (s + length, 1, total.les, totsec);
1948
1949 length += print_frac (s + length, 0, total.ses, totsec);
1950 length += print_frac (s + length, 1, total.bes, totsec);
1951
1952 length += print_frac (s + length, 0, total.oofs, totsec);
1953 length += print_frac (s + length, 1, total.css, totsec);
1954
1955 length += sprintf (s + length, " -- Total\n");
1956 return length;
1957}
1958
1959static int print_chan (char *s, ct_chan_t *c)
1960{
1961 drv_t *d = c->sys;
1962 bdrv_t *bd = d->bd;
1963 int length = 0;
1964
1965 length += sprintf (s + length, "ct%d", c->board->num * NCHAN + c->num);
1966 if (d->chan->debug)
1967 length += sprintf (s + length, " debug=%d", d->chan->debug);
1968
1969 switch (ct_get_config (c->board)) {
1970 case CFG_A: length += sprintf (s + length, " cfg=A"); break;
1971 case CFG_B: length += sprintf (s + length, " cfg=B"); break;
1972 case CFG_C: length += sprintf (s + length, " cfg=C"); break;
1973 default: length += sprintf (s + length, " cfg=unknown"); break;
1974 }
1975
1976 if (ct_get_baud (c))
1977 length += sprintf (s + length, " %ld", ct_get_baud (c));
1978 else
1979 length += sprintf (s + length, " extclock");
1980
1981 if (c->mode == M_E1 || c->mode == M_G703)
1982 switch (ct_get_clk(c)) {
1983 case GCLK_INT : length += sprintf (s + length, " syn=int"); break;
1984 case GCLK_RCV : length += sprintf (s + length, " syn=rcv"); break;
1985 case GCLK_RCLKO : length += sprintf (s + length, " syn=xrcv"); break;
1986 }
1987 if (c->mode == M_HDLC) {
1988 length += sprintf (s + length, " dpll=%s", ct_get_dpll (c) ? "on" : "off");
1989 length += sprintf (s + length, " nrzi=%s", ct_get_nrzi (c) ? "on" : "off");
1990 length += sprintf (s + length, " invtclk=%s", ct_get_invtxc (c) ? "on" : "off");
1991 length += sprintf (s + length, " invrclk=%s", ct_get_invrxc (c) ? "on" : "off");
1992 }
1993 if (c->mode == M_E1)
1994 length += sprintf (s + length, " higain=%s", ct_get_higain (c)? "on" : "off");
1995
1996 length += sprintf (s + length, " loop=%s", ct_get_loop (c) ? "on" : "off");
1997
1998 if (c->mode == M_E1)
1999 length += sprintf (s + length, " ts=%s", format_timeslots (ct_get_ts(c)));
2000 if (c->mode == M_E1 && ct_get_config (c->board) != CFG_A)
2001 length += sprintf (s + length, " pass=%s", format_timeslots (ct_get_subchan(c->board)));
2002 if (c->mode == M_G703) {
2003 int lq, x;
2004
2005 x = splimp ();
2006 CT_LOCK (bd);
2007 lq = ct_get_lq (c);
2008 CT_UNLOCK (bd);
2009 splx (x);
2010 length += sprintf (s + length, " (level=-%.1fdB)", lq / 10.0);
2011 }
2012 length += sprintf (s + length, "\n");
2013 return length;
2014}
2015
2016static int ng_ct_rcvmsg (node_p node, item_p item, hook_p lasthook)
2017{
2018 drv_t *d = NG_NODE_PRIVATE (node);
2019 struct ng_mesg *msg;
2020 struct ng_mesg *resp = NULL;
2021 int error = 0;
2022
2023 if (!d)
2024 return EINVAL;
2025
2026 CT_DEBUG (d, ("Rcvmsg\n"));
2027 NGI_GET_MSG (item, msg);
2028 switch (msg->header.typecookie) {
2029 default:
2030 error = EINVAL;
2031 break;
2032
2033 case NGM_CT_COOKIE:
2034 printf ("Don't forget to implement\n");
2035 error = EINVAL;
2036 break;
2037
2038 case NGM_GENERIC_COOKIE:
2039 switch (msg->header.cmd) {
2040 default:
2041 error = EINVAL;
2042 break;
2043
2044 case NGM_TEXT_STATUS: {
2045 char *s;
2046 int l = 0;
2047 int dl = sizeof (struct ng_mesg) + 730;
2048
2049 NG_MKRESPONSE (resp, msg, dl, M_NOWAIT);
2050 if (! resp) {
2051 error = ENOMEM;
2052 break;
2053 }
2054 s = (resp)->data;
2055 l += print_chan (s + l, d->chan);
2056 l += print_stats (s + l, d->chan, 1);
2057 l += print_modems (s + l, d->chan, 1);
2058 l += print_e1_stats (s + l, d->chan);
2059 strncpy ((resp)->header.cmdstr, "status", NG_CMDSTRSIZ);
2060 }
2061 break;
2062 }
2063 break;
2064 }
2065 NG_RESPOND_MSG (error, node, item, resp);
2066 NG_FREE_MSG (msg);
2067 return error;
2068}
2069
2070static int ng_ct_rcvdata (hook_p hook, item_p item)
2071{
2072 drv_t *d = NG_NODE_PRIVATE (NG_HOOK_NODE(hook));
2073 struct mbuf *m;
2074 struct ng_tag_prio *ptag;
2075 bdrv_t *bd;
2076 struct ifqueue *q;
2077 int s;
2078
2079 if (!d)
2080 return ENETDOWN;
2081
2082 bd = d->bd;
2083 NGI_GET_M (item, m);
2084 NG_FREE_ITEM (item);
2085 if (! NG_HOOK_PRIVATE (hook) || ! d) {
2086 NG_FREE_M (m);
2087 return ENETDOWN;
2088 }
2089
2090 /* Check for high priority data */
2091 if ((ptag = (struct ng_tag_prio *)m_tag_locate(m, NGM_GENERIC_COOKIE,
2092 NG_TAG_PRIO, NULL)) != NULL && (ptag->priority > NG_PRIO_CUTOFF) )
2093 q = &d->hi_queue;
2094 else
2095 q = &d->queue;
2096
2097 s = splimp ();
2098 CT_LOCK (bd);
2099 IF_LOCK (q);
2100 if (_IF_QFULL (q)) {
2101 _IF_DROP (q);
2102 IF_UNLOCK (q);
2103 CT_UNLOCK (bd);
2104 splx (s);
2105 NG_FREE_M (m);
2106 return ENOBUFS;
2107 }
2108 _IF_ENQUEUE (q, m);
2109 IF_UNLOCK (q);
2110 ct_start (d);
2111 CT_UNLOCK (bd);
2112 splx (s);
2113 return 0;
2114}
2115
2116static int ng_ct_rmnode (node_p node)
2117{
2118 drv_t *d = NG_NODE_PRIVATE (node);
2119 bdrv_t *bd;
2120
2121 CT_DEBUG (d, ("Rmnode\n"));
2122 if (d && d->running) {
2123 bd = d->bd;
2124 int s = splimp ();
2125 CT_LOCK (bd);
2126 ct_down (d);
2127 CT_UNLOCK (bd);
2128 splx (s);
2129 }
2130#ifdef KLD_MODULE
2131 if (node->nd_flags & NGF_REALLY_DIE) {
2132 NG_NODE_SET_PRIVATE (node, NULL);
2133 NG_NODE_UNREF (node);
2134 }
2135 NG_NODE_REVIVE(node); /* Persistant node */
2136#endif
2137 return 0;
2138}
2139
2140static int ng_ct_connect (hook_p hook)
2141{
2142 drv_t *d = NG_NODE_PRIVATE (NG_HOOK_NODE (hook));
2143
2144 if (!d)
2145 return 0;
2146
2147 callout_reset (&d->timeout_handle, hz, ct_watchdog_timer, d);
2148 return 0;
2149}
2150
2151static int ng_ct_disconnect (hook_p hook)
2152{
2153 drv_t *d = NG_NODE_PRIVATE (NG_HOOK_NODE (hook));
2154 bdrv_t *bd;
2155
2156 if (!d)
2157 return 0;
2158
2159 bd = d->bd;
2160
2161 CT_LOCK (bd);
2162 if (NG_HOOK_PRIVATE (hook))
2163 ct_down (d);
2164 CT_UNLOCK (bd);
2165 /* If we were wait it than it reasserted now, just stop it. */
2166 if (!callout_drain (&d->timeout_handle))
2167 callout_stop (&d->timeout_handle);
2168 return 0;
2169}
2170#endif
2171
2172static int ct_modevent (module_t mod, int type, void *unused)
2173{
2174 static int load_count = 0;
2175
2176 switch (type) {
2177 case MOD_LOAD:
2178#ifdef NETGRAPH
2179 if (ng_newtype (&typestruct))
2180 printf ("Failed to register ng_ct\n");
2181#endif
2182 ++load_count;
2183 callout_init (&timeout_handle, CALLOUT_MPSAFE);
2184 callout_reset (&timeout_handle, hz*5, ct_timeout, 0);
2185 break;
2186 case MOD_UNLOAD:
2187 if (load_count == 1) {
2188 printf ("Removing device entry for Tau-ISA\n");
2189#ifdef NETGRAPH
2190 ng_rmtype (&typestruct);
2191#endif
2192 }
2193 /* If we were wait it than it reasserted now, just stop it. */
2194 if (!callout_drain (&timeout_handle))
2195 callout_stop (&timeout_handle);
2196 --load_count;
2197 break;
2198 case MOD_SHUTDOWN:
2199 break;
2200 }
2201 return 0;
2202}
2203
2204#ifdef NETGRAPH
2205static struct ng_type typestruct = {
2206 .version = NG_ABI_VERSION,
2207 .name = NG_CT_NODE_TYPE,
2208 .constructor = ng_ct_constructor,
2209 .rcvmsg = ng_ct_rcvmsg,
2210 .shutdown = ng_ct_rmnode,
2211 .newhook = ng_ct_newhook,
2212 .connect = ng_ct_connect,
2213 .rcvdata = ng_ct_rcvdata,
2214 .disconnect = ng_ct_disconnect,
2215};
2216#endif /*NETGRAPH*/
2217
2218#ifdef NETGRAPH
2219MODULE_DEPEND (ng_ct, netgraph, NG_ABI_VERSION, NG_ABI_VERSION, NG_ABI_VERSION);
2220#else
2221MODULE_DEPEND (ct, sppp, 1, 1, 1);
2222#endif
2223DRIVER_MODULE (ct, isa, ct_isa_driver, ct_devclass, ct_modevent, NULL);
2224MODULE_VERSION (ct, 1);
| 26
27#include <sys/param.h>
28#include <sys/proc.h>
29#include <sys/systm.h>
30#include <sys/kernel.h>
31#include <sys/module.h>
32#include <sys/mbuf.h>
33#include <sys/sockio.h>
34#include <sys/malloc.h>
35#include <sys/priv.h>
36#include <sys/socket.h>
37#include <sys/sysctl.h>
38#include <sys/conf.h>
39#include <sys/errno.h>
40#include <sys/tty.h>
41#include <sys/bus.h>
42#include <machine/bus.h>
43#include <sys/rman.h>
44#include <isa/isavar.h>
45#include <sys/interrupt.h>
46#include <vm/vm.h>
47#include <vm/pmap.h>
48#include <net/if.h>
49#include <machine/cpufunc.h>
50#include <machine/cserial.h>
51#include <machine/resource.h>
52#include <dev/cx/machdep.h>
53#include <dev/ctau/ctddk.h>
54#include <dev/cx/cronyxfw.h>
55#include "opt_ng_cronyx.h"
56#ifdef NETGRAPH_CRONYX
57# include "opt_netgraph.h"
58# include <netgraph/ng_message.h>
59# include <netgraph/netgraph.h>
60# include <dev/ctau/ng_ct.h>
61#else
62# include <net/if_types.h>
63# include <net/if_sppp.h>
64# define PP_CISCO IFF_LINK2
65# include <net/bpf.h>
66#endif
67
68#define NCTAU 1
69
70/* If we don't have Cronyx's sppp version, we don't have fr support via sppp */
71#ifndef PP_FR
72#define PP_FR 0
73#endif
74
75#define CT_DEBUG(d,s) ({if (d->chan->debug) {\
76 printf ("%s: ", d->name); printf s;}})
77#define CT_DEBUG2(d,s) ({if (d->chan->debug>1) {\
78 printf ("%s: ", d->name); printf s;}})
79
80#define CT_LOCK_NAME "ctX"
81
82#define CT_LOCK(_bd) mtx_lock (&(_bd)->ct_mtx)
83#define CT_UNLOCK(_bd) mtx_unlock (&(_bd)->ct_mtx)
84#define CT_LOCK_ASSERT(_bd) mtx_assert (&(_bd)->ct_mtx, MA_OWNED)
85
86static void ct_identify __P((driver_t *, device_t));
87static int ct_probe __P((device_t));
88static int ct_attach __P((device_t));
89static int ct_detach __P((device_t));
90
91static device_method_t ct_isa_methods [] = {
92 DEVMETHOD(device_identify, ct_identify),
93 DEVMETHOD(device_probe, ct_probe),
94 DEVMETHOD(device_attach, ct_attach),
95 DEVMETHOD(device_detach, ct_detach),
96
97 DEVMETHOD_END
98};
99
100typedef struct _ct_dma_mem_t {
101 unsigned long phys;
102 void *virt;
103 size_t size;
104 bus_dma_tag_t dmat;
105 bus_dmamap_t mapp;
106} ct_dma_mem_t;
107
108typedef struct _drv_t {
109 char name [8];
110 ct_chan_t *chan;
111 ct_board_t *board;
112 struct _bdrv_t *bd;
113 ct_dma_mem_t dmamem;
114 int running;
115#ifdef NETGRAPH
116 char nodename [NG_NODESIZ];
117 hook_p hook;
118 hook_p debug_hook;
119 node_p node;
120 struct ifqueue queue;
121 struct ifqueue hi_queue;
122#else
123 struct ifqueue queue;
124 struct ifnet *ifp;
125#endif
126 short timeout;
127 struct callout timeout_handle;
128 struct cdev *devt;
129} drv_t;
130
131typedef struct _bdrv_t {
132 ct_board_t *board;
133 struct resource *base_res;
134 struct resource *drq_res;
135 struct resource *irq_res;
136 int base_rid;
137 int drq_rid;
138 int irq_rid;
139 void *intrhand;
140 drv_t channel [NCHAN];
141 struct mtx ct_mtx;
142} bdrv_t;
143
144static driver_t ct_isa_driver = {
145 "ct",
146 ct_isa_methods,
147 sizeof (bdrv_t),
148};
149
150static devclass_t ct_devclass;
151
152static void ct_receive (ct_chan_t *c, char *data, int len);
153static void ct_transmit (ct_chan_t *c, void *attachment, int len);
154static void ct_error (ct_chan_t *c, int data);
155static void ct_up (drv_t *d);
156static void ct_start (drv_t *d);
157static void ct_down (drv_t *d);
158static void ct_watchdog (drv_t *d);
159static void ct_watchdog_timer (void *arg);
160#ifdef NETGRAPH
161extern struct ng_type typestruct;
162#else
163static void ct_ifstart (struct ifnet *ifp);
164static void ct_tlf (struct sppp *sp);
165static void ct_tls (struct sppp *sp);
166static int ct_sioctl (struct ifnet *ifp, u_long cmd, caddr_t data);
167static void ct_initialize (void *softc);
168#endif
169
170static ct_board_t *adapter [NCTAU];
171static drv_t *channel [NCTAU*NCHAN];
172static struct callout led_timo [NCTAU];
173static struct callout timeout_handle;
174
175static int ct_open (struct cdev *dev, int oflags, int devtype, struct thread *td);
176static int ct_close (struct cdev *dev, int fflag, int devtype, struct thread *td);
177static int ct_ioctl (struct cdev *dev, u_long cmd, caddr_t data, int flag, struct thread *td);
178static struct cdevsw ct_cdevsw = {
179 .d_version = D_VERSION,
180 .d_open = ct_open,
181 .d_close = ct_close,
182 .d_ioctl = ct_ioctl,
183 .d_name = "ct",
184};
185
186/*
187 * Print the mbuf chain, for debug purposes only.
188 */
189static void printmbuf (struct mbuf *m)
190{
191 printf ("mbuf:");
192 for (; m; m=m->m_next) {
193 if (m->m_flags & M_PKTHDR)
194 printf (" HDR %d:", m->m_pkthdr.len);
195 if (m->m_flags & M_EXT)
196 printf (" EXT:");
197 printf (" %d", m->m_len);
198 }
199 printf ("\n");
200}
201
202/*
203 * Make an mbuf from data.
204 */
205static struct mbuf *makembuf (void *buf, u_int len)
206{
207 struct mbuf *m;
208
209 MGETHDR (m, M_NOWAIT, MT_DATA);
210 if (! m)
211 return 0;
212 MCLGET (m, M_NOWAIT);
213 if (! (m->m_flags & M_EXT)) {
214 m_freem (m);
215 return 0;
216 }
217 m->m_pkthdr.len = m->m_len = len;
218 bcopy (buf, mtod (m, caddr_t), len);
219 return m;
220}
221
222static void ct_timeout (void *arg)
223{
224 drv_t *d;
225 int s, i, k;
226
227 for (i = 0; i < NCTAU; ++i) {
228 if (adapter[i] == NULL)
229 continue;
230 for (k = 0; k < NCHAN; k++) {
231 d = channel[i * NCHAN + k];
232 if (! d)
233 continue;
234 if (d->chan->mode != M_G703)
235 continue;
236 s = splimp ();
237 CT_LOCK ((bdrv_t *)d->bd);
238 ct_g703_timer (d->chan);
239 CT_UNLOCK ((bdrv_t *)d->bd);
240 splx (s);
241 }
242 }
243
244 callout_reset (&timeout_handle, hz, ct_timeout, 0);
245}
246
247static void ct_led_off (void *arg)
248{
249 ct_board_t *b = arg;
250 bdrv_t *bd = ((drv_t *)b->chan->sys)->bd;
251 int s = splimp ();
252
253 CT_LOCK (bd);
254 ct_led (b, 0);
255 CT_UNLOCK (bd);
256 splx (s);
257}
258
259/*
260 * Activate interrupt handler from DDK.
261 */
262static void ct_intr (void *arg)
263{
264 bdrv_t *bd = arg;
265 ct_board_t *b = bd->board;
266#ifndef NETGRAPH
267 int i;
268#endif
269 int s = splimp ();
270
271 CT_LOCK (bd);
272 /* Turn LED on. */
273 ct_led (b, 1);
274
275 ct_int_handler (b);
276
277 /* Turn LED off 50 msec later. */
278 callout_reset (&led_timo[b->num], hz/20, ct_led_off, b);
279 CT_UNLOCK (bd);
280 splx (s);
281
282#ifndef NETGRAPH
283 /* Pass packets in a lock-free state */
284 for (i = 0; i < NCHAN && b->chan[i].type; i++) {
285 drv_t *d = b->chan[i].sys;
286 struct mbuf *m;
287 if (!d || !d->running)
288 continue;
289 while (_IF_QLEN(&d->queue)) {
290 IF_DEQUEUE (&d->queue,m);
291 if (!m)
292 continue;
293 sppp_input (d->ifp, m);
294 }
295 }
296#endif
297}
298
299static int probe_irq (ct_board_t *b, int irq)
300{
301 int mask, busy, cnt;
302
303 /* Clear pending irq, if any. */
304 ct_probe_irq (b, -irq);
305 DELAY (100);
306 for (cnt=0; cnt<5; ++cnt) {
307 /* Get the mask of pending irqs, assuming they are busy.
308 * Activate the adapter on given irq. */
309 busy = ct_probe_irq (b, irq);
310 DELAY (1000);
311
312 /* Get the mask of active irqs.
313 * Deactivate our irq. */
314 mask = ct_probe_irq (b, -irq);
315 DELAY (100);
316 if ((mask & ~busy) == 1 << irq) {
317 ct_probe_irq (b, 0);
318 /* printf ("ct%d: irq %d ok, mask=0x%04x, busy=0x%04x\n",
319 b->num, irq, mask, busy); */
320 return 1;
321 }
322 }
323 /* printf ("ct%d: irq %d not functional, mask=0x%04x, busy=0x%04x\n",
324 b->num, irq, mask, busy); */
325 ct_probe_irq (b, 0);
326 return 0;
327}
328
329static short porttab [] = {
330 0x200, 0x220, 0x240, 0x260, 0x280, 0x2a0, 0x2c0, 0x2e0,
331 0x300, 0x320, 0x340, 0x360, 0x380, 0x3a0, 0x3c0, 0x3e0, 0
332 };
333static char dmatab [] = { 7, 6, 5, 0 };
334static char irqtab [] = { 5, 10, 11, 7, 3, 15, 12, 0 };
335
336static int ct_is_free_res (device_t dev, int rid, int type, u_long start,
337 u_long end, u_long count)
338{
339 struct resource *res;
340
341 if (!(res = bus_alloc_resource (dev, type, &rid, start, end, count,
342 RF_ALLOCATED)))
343 return 0;
344
345 bus_release_resource (dev, type, rid, res);
346
347 return 1;
348}
349
350static void ct_identify (driver_t *driver, device_t dev)
351{
352 u_long iobase, rescount;
353 int devcount;
354 device_t *devices;
355 device_t child;
356 devclass_t my_devclass;
357 int i, k;
358
359 if ((my_devclass = devclass_find ("ct")) == NULL)
360 return;
361
362 devclass_get_devices (my_devclass, &devices, &devcount);
363
364 if (devcount == 0) {
365 /* We should find all devices by our self. We could alter other
366 * devices, but we don't have a choise
367 */
368 for (i = 0; (iobase = porttab [i]) != 0; i++) {
369 if (!ct_is_free_res (dev, 0, SYS_RES_IOPORT,
370 iobase, iobase + NPORT, NPORT))
371 continue;
372 if (ct_probe_board (iobase, -1, -1) == 0)
373 continue;
374
375 devcount++;
376 child = BUS_ADD_CHILD (dev, ISA_ORDER_SPECULATIVE, "ct",
377 -1);
378
379 if (child == NULL)
380 return;
381
382 device_set_desc_copy (child, "Cronyx Tau-ISA");
383 device_set_driver (child, driver);
384 bus_set_resource (child, SYS_RES_IOPORT, 0,
385 iobase, NPORT);
386
387 if (devcount >= NCTAU)
388 break;
389 }
390 } else {
391 static short porttab [] = {
392 0x200, 0x220, 0x240, 0x260, 0x280, 0x2a0, 0x2c0, 0x2e0,
393 0x300, 0x320, 0x340, 0x360, 0x380, 0x3a0, 0x3c0, 0x3e0, 0
394 };
395 /* Lets check user choise.
396 */
397 for (k = 0; k < devcount; k++) {
398 if (bus_get_resource (devices[k], SYS_RES_IOPORT, 0,
399 &iobase, &rescount) != 0)
400 continue;
401
402 for (i = 0; porttab [i] != 0; i++) {
403 if (porttab [i] != iobase)
404 continue;
405
406 if (!ct_is_free_res (devices[k], 0, SYS_RES_IOPORT,
407 iobase, iobase + NPORT, NPORT))
408 continue;
409
410 if (ct_probe_board (iobase, -1, -1) == 0)
411 continue;
412 porttab [i] = -1;
413 device_set_desc_copy (devices[k], "Cronyx Tau-ISA");
414 break;
415 }
416 if (porttab [i] == 0) {
417 device_delete_child (
418 device_get_parent (devices[k]),
419 devices [k]);
420 devices[k] = 0;
421 continue;
422 }
423 }
424 for (k = 0; k < devcount; k++) {
425 if (devices[k] == 0)
426 continue;
427 if (bus_get_resource (devices[k], SYS_RES_IOPORT, 0,
428 &iobase, &rescount) == 0)
429 continue;
430 for (i = 0; (iobase = porttab [i]) != 0; i++) {
431 if (porttab [i] == -1)
432 continue;
433 if (!ct_is_free_res (devices[k], 0, SYS_RES_IOPORT,
434 iobase, iobase + NPORT, NPORT))
435 continue;
436 if (ct_probe_board (iobase, -1, -1) == 0)
437 continue;
438
439 bus_set_resource (devices[k], SYS_RES_IOPORT, 0,
440 iobase, NPORT);
441 porttab [i] = -1;
442 device_set_desc_copy (devices[k], "Cronyx Tau-ISA");
443 break;
444 }
445 if (porttab [i] == 0) {
446 device_delete_child (
447 device_get_parent (devices[k]),
448 devices [k]);
449 }
450 }
451 free (devices, M_TEMP);
452 }
453
454 return;
455}
456
457static int ct_probe (device_t dev)
458{
459 int unit = device_get_unit (dev);
460 u_long iobase, rescount;
461
462 if (!device_get_desc (dev) ||
463 strcmp (device_get_desc (dev), "Cronyx Tau-ISA"))
464 return ENXIO;
465
466/* KASSERT ((bd != NULL), ("ct%d: NULL device softc\n", unit));*/
467 if (bus_get_resource (dev, SYS_RES_IOPORT, 0, &iobase, &rescount) != 0) {
468 printf ("ct%d: Couldn't get IOPORT\n", unit);
469 return ENXIO;
470 }
471
472 if (!ct_is_free_res (dev, 0, SYS_RES_IOPORT,
473 iobase, iobase + NPORT, NPORT)) {
474 printf ("ct%d: Resource IOPORT isn't free\n", unit);
475 return ENXIO;
476 }
477
478 if (!ct_probe_board (iobase, -1, -1)) {
479 printf ("ct%d: probing for Tau-ISA at %lx faild\n", unit, iobase);
480 return ENXIO;
481 }
482
483 return 0;
484}
485
486static void
487ct_bus_dmamap_addr (void *arg, bus_dma_segment_t *segs, int nseg, int error)
488{
489 unsigned long *addr;
490
491 if (error)
492 return;
493
494 KASSERT(nseg == 1, ("too many DMA segments, %d should be 1", nseg));
495 addr = arg;
496 *addr = segs->ds_addr;
497}
498
499static int
500ct_bus_dma_mem_alloc (int bnum, int cnum, ct_dma_mem_t *dmem)
501{
502 int error;
503
504 error = bus_dma_tag_create (NULL, 16, 0, BUS_SPACE_MAXADDR_24BIT,
505 BUS_SPACE_MAXADDR, NULL, NULL, dmem->size, 1,
506 dmem->size, 0, NULL, NULL, &dmem->dmat);
507 if (error) {
508 if (cnum >= 0) printf ("ct%d-%d: ", bnum, cnum);
509 else printf ("ct%d: ", bnum);
510 printf ("couldn't allocate tag for dma memory\n");
511 return 0;
512 }
513 error = bus_dmamem_alloc (dmem->dmat, (void **)&dmem->virt,
514 BUS_DMA_NOWAIT | BUS_DMA_ZERO, &dmem->mapp);
515 if (error) {
516 if (cnum >= 0) printf ("ct%d-%d: ", bnum, cnum);
517 else printf ("ct%d: ", bnum);
518 printf ("couldn't allocate mem for dma memory\n");
519 bus_dma_tag_destroy (dmem->dmat);
520 return 0;
521 }
522 error = bus_dmamap_load (dmem->dmat, dmem->mapp, dmem->virt,
523 dmem->size, ct_bus_dmamap_addr, &dmem->phys, 0);
524 if (error) {
525 if (cnum >= 0) printf ("ct%d-%d: ", bnum, cnum);
526 else printf ("ct%d: ", bnum);
527 printf ("couldn't load mem map for dma memory\n");
528 bus_dmamem_free (dmem->dmat, dmem->virt, dmem->mapp);
529 bus_dma_tag_destroy (dmem->dmat);
530 return 0;
531 }
532 return 1;
533}
534
535static void
536ct_bus_dma_mem_free (ct_dma_mem_t *dmem)
537{
538 bus_dmamap_unload (dmem->dmat, dmem->mapp);
539 bus_dmamem_free (dmem->dmat, dmem->virt, dmem->mapp);
540 bus_dma_tag_destroy (dmem->dmat);
541}
542
543/*
544 * The adapter is present, initialize the driver structures.
545 */
546static int ct_attach (device_t dev)
547{
548 bdrv_t *bd = device_get_softc (dev);
549 u_long iobase, drq, irq, rescount;
550 int unit = device_get_unit (dev);
551 char *ct_ln = CT_LOCK_NAME;
552 ct_board_t *b;
553 ct_chan_t *c;
554 drv_t *d;
555 int i;
556 int s;
557
558 KASSERT ((bd != NULL), ("ct%d: NULL device softc\n", unit));
559
560 bus_get_resource (dev, SYS_RES_IOPORT, 0, &iobase, &rescount);
561 bd->base_rid = 0;
562 bd->base_res = bus_alloc_resource (dev, SYS_RES_IOPORT, &bd->base_rid,
563 iobase, iobase + NPORT, NPORT, RF_ACTIVE);
564 if (! bd->base_res) {
565 printf ("ct%d: cannot alloc base address\n", unit);
566 return ENXIO;
567 }
568
569 if (bus_get_resource (dev, SYS_RES_DRQ, 0, &drq, &rescount) != 0) {
570 for (i = 0; (drq = dmatab [i]) != 0; i++) {
571 if (!ct_is_free_res (dev, 0, SYS_RES_DRQ,
572 drq, drq + 1, 1))
573 continue;
574 bus_set_resource (dev, SYS_RES_DRQ, 0, drq, 1);
575 break;
576 }
577
578 if (dmatab[i] == 0) {
579 bus_release_resource (dev, SYS_RES_IOPORT, bd->base_rid,
580 bd->base_res);
581 printf ("ct%d: Couldn't get DRQ\n", unit);
582 return ENXIO;
583 }
584 }
585
586 bd->drq_rid = 0;
587 bd->drq_res = bus_alloc_resource (dev, SYS_RES_DRQ, &bd->drq_rid,
588 drq, drq + 1, 1, RF_ACTIVE);
589 if (! bd->drq_res) {
590 printf ("ct%d: cannot allocate drq\n", unit);
591 bus_release_resource (dev, SYS_RES_IOPORT, bd->base_rid,
592 bd->base_res);
593 return ENXIO;
594 }
595
596 if (bus_get_resource (dev, SYS_RES_IRQ, 0, &irq, &rescount) != 0) {
597 for (i = 0; (irq = irqtab [i]) != 0; i++) {
598 if (!ct_is_free_res (dev, 0, SYS_RES_IRQ,
599 irq, irq + 1, 1))
600 continue;
601 bus_set_resource (dev, SYS_RES_IRQ, 0, irq, 1);
602 break;
603 }
604
605 if (irqtab[i] == 0) {
606 bus_release_resource (dev, SYS_RES_DRQ, bd->drq_rid,
607 bd->drq_res);
608 bus_release_resource (dev, SYS_RES_IOPORT, bd->base_rid,
609 bd->base_res);
610 printf ("ct%d: Couldn't get IRQ\n", unit);
611 return ENXIO;
612 }
613 }
614
615 bd->irq_rid = 0;
616 bd->irq_res = bus_alloc_resource (dev, SYS_RES_IRQ, &bd->irq_rid,
617 irq, irq + 1, 1, RF_ACTIVE);
618 if (! bd->irq_res) {
619 printf ("ct%d: Couldn't allocate irq\n", unit);
620 bus_release_resource (dev, SYS_RES_DRQ, bd->drq_rid,
621 bd->drq_res);
622 bus_release_resource (dev, SYS_RES_IOPORT, bd->base_rid,
623 bd->base_res);
624 return ENXIO;
625 }
626
627 b = malloc (sizeof (ct_board_t), M_DEVBUF, M_WAITOK);
628 if (!b) {
629 printf ("ct:%d: Couldn't allocate memory\n", unit);
630 return (ENXIO);
631 }
632 adapter[unit] = b;
633 bzero (b, sizeof(ct_board_t));
634
635 if (! ct_open_board (b, unit, iobase, irq, drq)) {
636 printf ("ct%d: error loading firmware\n", unit);
637 free (b, M_DEVBUF);
638 bus_release_resource (dev, SYS_RES_IRQ, bd->irq_rid,
639 bd->irq_res);
640 bus_release_resource (dev, SYS_RES_DRQ, bd->drq_rid,
641 bd->drq_res);
642 bus_release_resource (dev, SYS_RES_IOPORT, bd->base_rid,
643 bd->base_res);
644 return ENXIO;
645 }
646
647 bd->board = b;
648
649 ct_ln[2] = '0' + unit;
650 mtx_init (&bd->ct_mtx, ct_ln, MTX_NETWORK_LOCK, MTX_DEF|MTX_RECURSE);
651 if (! probe_irq (b, irq)) {
652 printf ("ct%d: irq %ld not functional\n", unit, irq);
653 bd->board = 0;
654 adapter [unit] = 0;
655 free (b, M_DEVBUF);
656 bus_release_resource (dev, SYS_RES_IRQ, bd->irq_rid,
657 bd->irq_res);
658 bus_release_resource (dev, SYS_RES_DRQ, bd->drq_rid,
659 bd->drq_res);
660 bus_release_resource (dev, SYS_RES_IOPORT, bd->base_rid,
661 bd->base_res);
662 mtx_destroy (&bd->ct_mtx);
663 return ENXIO;
664 }
665
666 callout_init (&led_timo[unit], CALLOUT_MPSAFE);
667 s = splimp ();
668 if (bus_setup_intr (dev, bd->irq_res,
669 INTR_TYPE_NET|INTR_MPSAFE,
670 NULL, ct_intr, bd, &bd->intrhand)) {
671 printf ("ct%d: Can't setup irq %ld\n", unit, irq);
672 bd->board = 0;
673 adapter [unit] = 0;
674 free (b, M_DEVBUF);
675 bus_release_resource (dev, SYS_RES_IRQ, bd->irq_rid,
676 bd->irq_res);
677 bus_release_resource (dev, SYS_RES_DRQ, bd->drq_rid,
678 bd->drq_res);
679 bus_release_resource (dev, SYS_RES_IOPORT, bd->base_rid,
680 bd->base_res);
681 mtx_destroy (&bd->ct_mtx);
682 splx (s);
683 return ENXIO;
684 }
685
686 CT_LOCK (bd);
687 ct_init_board (b, b->num, b->port, irq, drq, b->type, b->osc);
688 ct_setup_board (b, 0, 0, 0);
689 CT_UNLOCK (bd);
690
691 printf ("ct%d: <Cronyx-%s>, clock %s MHz\n", b->num, b->name,
692 b->osc == 20000000 ? "20" : "16.384");
693
694 for (c = b->chan; c < b->chan + NCHAN; ++c) {
695 d = &bd->channel[c->num];
696 d->dmamem.size = sizeof(ct_buf_t);
697 if (! ct_bus_dma_mem_alloc (unit, c->num, &d->dmamem))
698 continue;
699 d->board = b;
700 d->chan = c;
701 d->bd = bd;
702 c->sys = d;
703 channel [b->num*NCHAN + c->num] = d;
704 sprintf (d->name, "ct%d.%d", b->num, c->num);
705 callout_init (&d->timeout_handle, CALLOUT_MPSAFE);
706
707#ifdef NETGRAPH
708 if (ng_make_node_common (&typestruct, &d->node) != 0) {
709 printf ("%s: cannot make common node\n", d->name);
710 channel [b->num*NCHAN + c->num] = 0;
711 c->sys = 0;
712 ct_bus_dma_mem_free (&d->dmamem);
713 continue;
714 }
715 NG_NODE_SET_PRIVATE (d->node, d);
716 sprintf (d->nodename, "%s%d", NG_CT_NODE_TYPE,
717 c->board->num*NCHAN + c->num);
718 if (ng_name_node (d->node, d->nodename)) {
719 printf ("%s: cannot name node\n", d->nodename);
720 NG_NODE_UNREF (d->node);
721 channel [b->num*NCHAN + c->num] = 0;
722 c->sys = 0;
723 ct_bus_dma_mem_free (&d->dmamem);
724 continue;
725 }
726 d->queue.ifq_maxlen = ifqmaxlen;
727 d->hi_queue.ifq_maxlen = ifqmaxlen;
728 mtx_init (&d->queue.ifq_mtx, "ct_queue", NULL, MTX_DEF);
729 mtx_init (&d->hi_queue.ifq_mtx, "ct_queue_hi", NULL, MTX_DEF);
730#else /*NETGRAPH*/
731 d->ifp = if_alloc(IFT_PPP);
732 if (d->ifp == NULL) {
733 printf ("%s: cannot if_alloc common interface\n",
734 d->name);
735 channel [b->num*NCHAN + c->num] = 0;
736 c->sys = 0;
737 ct_bus_dma_mem_free (&d->dmamem);
738 continue;
739 }
740 d->ifp->if_softc = d;
741 if_initname (d->ifp, "ct", b->num * NCHAN + c->num);
742 d->ifp->if_mtu = PP_MTU;
743 d->ifp->if_flags = IFF_POINTOPOINT | IFF_MULTICAST;
744 d->ifp->if_ioctl = ct_sioctl;
745 d->ifp->if_start = ct_ifstart;
746 d->ifp->if_init = ct_initialize;
747 d->queue.ifq_maxlen = NBUF;
748 mtx_init (&d->queue.ifq_mtx, "ct_queue", NULL, MTX_DEF);
749 sppp_attach (d->ifp);
750 if_attach (d->ifp);
751 IFP2SP(d->ifp)->pp_tlf = ct_tlf;
752 IFP2SP(d->ifp)->pp_tls = ct_tls;
753 /* If BPF is in the kernel, call the attach for it.
754 * Header size is 4 bytes. */
755 bpfattach (d->ifp, DLT_PPP, 4);
756#endif /*NETGRAPH*/
757 CT_LOCK (bd);
758 ct_start_chan (c, d->dmamem.virt, d->dmamem.phys);
759 ct_register_receive (c, &ct_receive);
760 ct_register_transmit (c, &ct_transmit);
761 ct_register_error (c, &ct_error);
762 CT_UNLOCK (bd);
763 d->devt = make_dev (&ct_cdevsw, b->num*NCHAN+c->num, UID_ROOT,
764 GID_WHEEL, 0600, "ct%d", b->num*NCHAN+c->num);
765 }
766 splx (s);
767
768 return 0;
769}
770
771static int ct_detach (device_t dev)
772{
773 bdrv_t *bd = device_get_softc (dev);
774 ct_board_t *b = bd->board;
775 ct_chan_t *c;
776 int s;
777
778 KASSERT (mtx_initialized (&bd->ct_mtx), ("ct mutex not initialized"));
779
780 s = splimp ();
781 CT_LOCK (bd);
782 /* Check if the device is busy (open). */
783 for (c = b->chan; c < b->chan + NCHAN; ++c) {
784 drv_t *d = (drv_t*) c->sys;
785
786 if (!d || !d->chan->type)
787 continue;
788
789 if (d->running) {
790 CT_UNLOCK (bd);
791 splx (s);
792 return EBUSY;
793 }
794 }
795
796 /* Deactivate the timeout routine. */
797 callout_stop (&led_timo[b->num]);
798
799 CT_UNLOCK (bd);
800
801 bus_teardown_intr (dev, bd->irq_res, bd->intrhand);
802 bus_release_resource (dev, SYS_RES_IRQ, bd->irq_rid, bd->irq_res);
803
804 bus_release_resource (dev, SYS_RES_DRQ, bd->drq_rid, bd->drq_res);
805
806 bus_release_resource (dev, SYS_RES_IOPORT, bd->base_rid, bd->base_res);
807
808 CT_LOCK (bd);
809 ct_close_board (b);
810 CT_UNLOCK (bd);
811
812 /* Detach the interfaces, free buffer memory. */
813 for (c = b->chan; c < b->chan + NCHAN; ++c) {
814 drv_t *d = (drv_t*) c->sys;
815
816 if (!d || !d->chan->type)
817 continue;
818
819 callout_stop (&d->timeout_handle);
820#ifdef NETGRAPH
821 if (d->node) {
822 ng_rmnode_self (d->node);
823 NG_NODE_UNREF (d->node);
824 d->node = NULL;
825 }
826 mtx_destroy (&d->queue.ifq_mtx);
827 mtx_destroy (&d->hi_queue.ifq_mtx);
828#else
829 /* Detach from the packet filter list of interfaces. */
830 bpfdetach (d->ifp);
831
832 /* Detach from the sync PPP list. */
833 sppp_detach (d->ifp);
834
835 if_detach (d->ifp);
836 if_free (d->ifp);
837 IF_DRAIN (&d->queue);
838 mtx_destroy (&d->queue.ifq_mtx);
839#endif
840 destroy_dev (d->devt);
841 }
842
843 CT_LOCK (bd);
844 ct_led_off (b);
845 CT_UNLOCK (bd);
846 callout_drain (&led_timo[b->num]);
847 splx (s);
848
849 for (c = b->chan; c < b->chan + NCHAN; ++c) {
850 drv_t *d = (drv_t*) c->sys;
851
852 if (!d || !d->chan->type)
853 continue;
854 callout_drain(&d->timeout_handle);
855
856 /* Deallocate buffers. */
857 ct_bus_dma_mem_free (&d->dmamem);
858 }
859 bd->board = 0;
860 adapter [b->num] = 0;
861 free (b, M_DEVBUF);
862
863 mtx_destroy (&bd->ct_mtx);
864
865 return 0;
866}
867
868#ifndef NETGRAPH
869static void ct_ifstart (struct ifnet *ifp)
870{
871 drv_t *d = ifp->if_softc;
872 bdrv_t *bd = d->bd;
873
874 CT_LOCK (bd);
875 ct_start (d);
876 CT_UNLOCK (bd);
877}
878
879static void ct_tlf (struct sppp *sp)
880{
881 drv_t *d = SP2IFP(sp)->if_softc;
882
883 CT_DEBUG (d, ("ct_tlf\n"));
884/* ct_set_dtr (d->chan, 0);*/
885/* ct_set_rts (d->chan, 0);*/
886 if (!(sp->pp_flags & PP_FR) && !(d->ifp->if_flags & PP_CISCO))
887 sp->pp_down (sp);
888}
889
890static void ct_tls (struct sppp *sp)
891{
892 drv_t *d = SP2IFP(sp)->if_softc;
893
894 CT_DEBUG (d, ("ct_tls\n"));
895 if (!(sp->pp_flags & PP_FR) && !(d->ifp->if_flags & PP_CISCO))
896 sp->pp_up (sp);
897}
898
899/*
900 * Initialization of interface.
901 * Ii seems to be never called by upper level.
902 */
903static void ct_initialize (void *softc)
904{
905 drv_t *d = softc;
906
907 CT_DEBUG (d, ("ct_initialize\n"));
908}
909
910/*
911 * Process an ioctl request.
912 */
913static int ct_sioctl (struct ifnet *ifp, u_long cmd, caddr_t data)
914{
915 drv_t *d = ifp->if_softc;
916 bdrv_t *bd = d->bd;
917 int error, s, was_up, should_be_up;
918
919 was_up = (ifp->if_drv_flags & IFF_DRV_RUNNING) != 0;
920 error = sppp_ioctl (ifp, cmd, data);
921 if (error)
922 return error;
923
924 if (! (ifp->if_flags & IFF_DEBUG))
925 d->chan->debug = 0;
926 else
927 d->chan->debug = d->chan->debug_shadow;
928
929 switch (cmd) {
930 default: CT_DEBUG2 (d, ("ioctl 0x%lx\n", cmd)); return 0;
931 case SIOCADDMULTI: CT_DEBUG2 (d, ("SIOCADDMULTI\n")); return 0;
932 case SIOCDELMULTI: CT_DEBUG2 (d, ("SIOCDELMULTI\n")); return 0;
933 case SIOCSIFFLAGS: CT_DEBUG2 (d, ("SIOCSIFFLAGS\n")); break;
934 case SIOCSIFADDR: CT_DEBUG2 (d, ("SIOCSIFADDR\n")); break;
935 }
936
937 /* We get here only in case of SIFFLAGS or SIFADDR. */
938 s = splimp ();
939 CT_LOCK (bd);
940 should_be_up = (ifp->if_drv_flags & IFF_DRV_RUNNING) != 0;
941 if (! was_up && should_be_up) {
942 /* Interface goes up -- start it. */
943 ct_up (d);
944 ct_start (d);
945 } else if (was_up && ! should_be_up) {
946 /* Interface is going down -- stop it. */
947 /* if ((IFP2SP(d->ifp)->pp_flags & PP_FR) || (ifp->if_flags & PP_CISCO))*/
948 ct_down (d);
949 }
950 CT_UNLOCK (bd);
951 splx (s);
952 return 0;
953}
954#endif /*NETGRAPH*/
955
956/*
957 * Stop the interface. Called on splimp().
958 */
959static void ct_down (drv_t *d)
960{
961 int s = splimp ();
962 CT_DEBUG (d, ("ct_down\n"));
963 ct_set_dtr (d->chan, 0);
964 ct_set_rts (d->chan, 0);
965 d->running = 0;
966 callout_stop (&d->timeout_handle);
967 splx (s);
968}
969
970/*
971 * Start the interface. Called on splimp().
972 */
973static void ct_up (drv_t *d)
974{
975 int s = splimp ();
976 CT_DEBUG (d, ("ct_up\n"));
977 ct_set_dtr (d->chan, 1);
978 ct_set_rts (d->chan, 1);
979 d->running = 1;
980 splx (s);
981}
982
983/*
984 * Start output on the (slave) interface. Get another datagram to send
985 * off of the interface queue, and copy it to the interface
986 * before starting the output.
987 */
988static void ct_send (drv_t *d)
989{
990 struct mbuf *m;
991 u_short len;
992
993 CT_DEBUG2 (d, ("ct_send, tn=%d\n", d->chan->tn));
994
995 /* No output if the interface is down. */
996 if (! d->running)
997 return;
998
999 /* No output if the modem is off. */
1000 if (! ct_get_dsr (d->chan) && !ct_get_loop (d->chan))
1001 return;
1002
1003 while (ct_buf_free (d->chan)) {
1004 /* Get the packet to send. */
1005#ifdef NETGRAPH
1006 IF_DEQUEUE (&d->hi_queue, m);
1007 if (! m)
1008 IF_DEQUEUE (&d->queue, m);
1009#else
1010 m = sppp_dequeue (d->ifp);
1011#endif
1012 if (! m)
1013 return;
1014#ifndef NETGRAPH
1015 BPF_MTAP (d->ifp, m);
1016#endif
1017 len = m_length (m, NULL);
1018 if (! m->m_next)
1019 ct_send_packet (d->chan, (u_char*)mtod (m, caddr_t),
1020 len, 0);
1021 else {
1022 m_copydata (m, 0, len, d->chan->tbuf[d->chan->te]);
1023 ct_send_packet (d->chan, d->chan->tbuf[d->chan->te],
1024 len, 0);
1025 }
1026 m_freem (m);
1027
1028 /* Set up transmit timeout, if the transmit ring is not empty.
1029 * Transmit timeout is 10 seconds. */
1030 d->timeout = 10;
1031 }
1032#ifndef NETGRAPH
1033 d->ifp->if_drv_flags |= IFF_DRV_OACTIVE;
1034#endif
1035}
1036
1037/*
1038 * Start output on the interface.
1039 * Always called on splimp().
1040 */
1041static void ct_start (drv_t *d)
1042{
1043 int s = splimp ();
1044
1045 if (d->running) {
1046 if (! d->chan->dtr)
1047 ct_set_dtr (d->chan, 1);
1048 if (! d->chan->rts)
1049 ct_set_rts (d->chan, 1);
1050 ct_send (d);
1051 callout_reset (&d->timeout_handle, hz, ct_watchdog_timer, d);
1052 }
1053
1054 splx (s);
1055}
1056
1057/*
1058 * Handle transmit timeouts.
1059 * Recover after lost transmit interrupts.
1060 * Always called on splimp().
1061 */
1062static void ct_watchdog (drv_t *d)
1063{
1064
1065 CT_DEBUG (d, ("device timeout\n"));
1066 if (d->running) {
1067 ct_setup_chan (d->chan);
1068 ct_start_chan (d->chan, 0, 0);
1069 ct_set_dtr (d->chan, 1);
1070 ct_set_rts (d->chan, 1);
1071 ct_start (d);
1072 }
1073}
1074
1075static void ct_watchdog_timer (void *arg)
1076{
1077 drv_t *d = arg;
1078 bdrv_t *bd = d->bd;
1079
1080 CT_LOCK (bd);
1081 if (d->timeout == 1)
1082 ct_watchdog (d);
1083 if (d->timeout)
1084 d->timeout--;
1085 callout_reset (&d->timeout_handle, hz, ct_watchdog_timer, d);
1086 CT_UNLOCK (bd);
1087}
1088
1089/*
1090 * Transmit callback function.
1091 */
1092static void ct_transmit (ct_chan_t *c, void *attachment, int len)
1093{
1094 drv_t *d = c->sys;
1095
1096 if (!d)
1097 return;
1098 d->timeout = 0;
1099#ifndef NETGRAPH
1100 ++d->ifp->if_opackets;
1101 d->ifp->if_drv_flags &= ~IFF_DRV_OACTIVE;
1102#endif
1103 ct_start (d);
1104}
1105
1106/*
1107 * Process the received packet.
1108 */
1109static void ct_receive (ct_chan_t *c, char *data, int len)
1110{
1111 drv_t *d = c->sys;
1112 struct mbuf *m;
1113#ifdef NETGRAPH
1114 int error;
1115#endif
1116
1117 if (!d || !d->running)
1118 return;
1119
1120 m = makembuf (data, len);
1121 if (! m) {
1122 CT_DEBUG (d, ("no memory for packet\n"));
1123#ifndef NETGRAPH
1124 ++d->ifp->if_iqdrops;
1125#endif
1126 return;
1127 }
1128 if (c->debug > 1)
1129 printmbuf (m);
1130#ifdef NETGRAPH
1131 m->m_pkthdr.rcvif = 0;
1132 NG_SEND_DATA_ONLY (error, d->hook, m);
1133#else
1134 ++d->ifp->if_ipackets;
1135 m->m_pkthdr.rcvif = d->ifp;
1136 /* Check if there's a BPF listener on this interface.
1137 * If so, hand off the raw packet to bpf. */
1138 BPF_TAP (d->ifp, data, len);
1139 IF_ENQUEUE (&d->queue, m);
1140#endif
1141}
1142
1143/*
1144 * Error callback function.
1145 */
1146static void ct_error (ct_chan_t *c, int data)
1147{
1148 drv_t *d = c->sys;
1149
1150 if (!d)
1151 return;
1152
1153 switch (data) {
1154 case CT_FRAME:
1155 CT_DEBUG (d, ("frame error\n"));
1156#ifndef NETGRAPH
1157 ++d->ifp->if_ierrors;
1158#endif
1159 break;
1160 case CT_CRC:
1161 CT_DEBUG (d, ("crc error\n"));
1162#ifndef NETGRAPH
1163 ++d->ifp->if_ierrors;
1164#endif
1165 break;
1166 case CT_OVERRUN:
1167 CT_DEBUG (d, ("overrun error\n"));
1168#ifndef NETGRAPH
1169 ++d->ifp->if_collisions;
1170 ++d->ifp->if_ierrors;
1171#endif
1172 break;
1173 case CT_OVERFLOW:
1174 CT_DEBUG (d, ("overflow error\n"));
1175#ifndef NETGRAPH
1176 ++d->ifp->if_ierrors;
1177#endif
1178 break;
1179 case CT_UNDERRUN:
1180 CT_DEBUG (d, ("underrun error\n"));
1181 d->timeout = 0;
1182#ifndef NETGRAPH
1183 ++d->ifp->if_oerrors;
1184 d->ifp->if_drv_flags &= ~IFF_DRV_OACTIVE;
1185#endif
1186 ct_start (d);
1187 break;
1188 default:
1189 CT_DEBUG (d, ("error #%d\n", data));
1190 }
1191}
1192
1193static int ct_open (struct cdev *dev, int oflags, int devtype, struct thread *td)
1194{
1195 drv_t *d;
1196
1197 if (dev2unit(dev) >= NCTAU*NCHAN || ! (d = channel[dev2unit(dev)]))
1198 return ENXIO;
1199
1200 CT_DEBUG2 (d, ("ct_open\n"));
1201 return 0;
1202}
1203
1204static int ct_close (struct cdev *dev, int fflag, int devtype, struct thread *td)
1205{
1206 drv_t *d = channel [dev2unit(dev)];
1207
1208 if (!d)
1209 return 0;
1210
1211 CT_DEBUG2 (d, ("ct_close\n"));
1212 return 0;
1213}
1214
1215static int ct_modem_status (ct_chan_t *c)
1216{
1217 drv_t *d = c->sys;
1218 bdrv_t *bd;
1219 int status, s;
1220
1221 if (!d)
1222 return 0;
1223
1224 bd = d->bd;
1225
1226 status = d->running ? TIOCM_LE : 0;
1227 s = splimp ();
1228 CT_LOCK (bd);
1229 if (ct_get_cd (c)) status |= TIOCM_CD;
1230 if (ct_get_cts (c)) status |= TIOCM_CTS;
1231 if (ct_get_dsr (c)) status |= TIOCM_DSR;
1232 if (c->dtr) status |= TIOCM_DTR;
1233 if (c->rts) status |= TIOCM_RTS;
1234 CT_UNLOCK (bd);
1235 splx (s);
1236 return status;
1237}
1238
1239/*
1240 * Process an ioctl request on /dev/cronyx/ctauN.
1241 */
1242static int ct_ioctl (struct cdev *dev, u_long cmd, caddr_t data, int flag, struct thread *td)
1243{
1244 drv_t *d = channel [dev2unit (dev)];
1245 bdrv_t *bd;
1246 ct_chan_t *c;
1247 struct serial_statistics *st;
1248 struct e1_statistics *opte1;
1249 int error, s;
1250 char mask[16];
1251
1252 if (!d || !d->chan)
1253 return 0;
1254
1255 bd = d->bd;
1256 c = d->chan;
1257
1258 switch (cmd) {
1259 case SERIAL_GETREGISTERED:
1260 bzero (mask, sizeof(mask));
1261 for (s=0; s<NCTAU*NCHAN; ++s)
1262 if (channel [s])
1263 mask [s/8] |= 1 << (s & 7);
1264 bcopy (mask, data, sizeof (mask));
1265 return 0;
1266
1267#ifndef NETGRAPH
1268 case SERIAL_GETPROTO:
1269 strcpy ((char*)data, (IFP2SP(d->ifp)->pp_flags & PP_FR) ? "fr" :
1270 (d->ifp->if_flags & PP_CISCO) ? "cisco" : "ppp");
1271 return 0;
1272
1273 case SERIAL_SETPROTO:
1274 /* Only for superuser! */
1275 error = priv_check (td, PRIV_DRIVER);
1276 if (error)
1277 return error;
1278 if (d->ifp->if_drv_flags & IFF_DRV_RUNNING)
1279 return EBUSY;
1280 if (! strcmp ("cisco", (char*)data)) {
1281 IFP2SP(d->ifp)->pp_flags &= ~(PP_FR);
1282 IFP2SP(d->ifp)->pp_flags |= PP_KEEPALIVE;
1283 d->ifp->if_flags |= PP_CISCO;
1284 } else if (! strcmp ("fr", (char*)data)) {
1285 d->ifp->if_flags &= ~(PP_CISCO);
1286 IFP2SP(d->ifp)->pp_flags |= PP_FR | PP_KEEPALIVE;
1287 } else if (! strcmp ("ppp", (char*)data)) {
1288 IFP2SP(d->ifp)->pp_flags &= ~(PP_FR | PP_KEEPALIVE);
1289 d->ifp->if_flags &= ~(PP_CISCO);
1290 } else
1291 return EINVAL;
1292 return 0;
1293
1294 case SERIAL_GETKEEPALIVE:
1295 if ((IFP2SP(d->ifp)->pp_flags & PP_FR) ||
1296 (d->ifp->if_flags & PP_CISCO))
1297 return EINVAL;
1298 *(int*)data = (IFP2SP(d->ifp)->pp_flags & PP_KEEPALIVE) ? 1 : 0;
1299 return 0;
1300
1301 case SERIAL_SETKEEPALIVE:
1302 /* Only for superuser! */
1303 error = priv_check (td, PRIV_DRIVER);
1304 if (error)
1305 return error;
1306 if ((IFP2SP(d->ifp)->pp_flags & PP_FR) ||
1307 (d->ifp->if_flags & PP_CISCO))
1308 return EINVAL;
1309 if (*(int*)data)
1310 IFP2SP(d->ifp)->pp_flags |= PP_KEEPALIVE;
1311 else
1312 IFP2SP(d->ifp)->pp_flags &= ~PP_KEEPALIVE;
1313 return 0;
1314#endif /*NETGRAPH*/
1315
1316 case SERIAL_GETMODE:
1317 *(int*)data = SERIAL_HDLC;
1318 return 0;
1319
1320 case SERIAL_GETCFG:
1321 if (c->mode == M_HDLC)
1322 return EINVAL;
1323 switch (ct_get_config (c->board)) {
1324 default: *(char*)data = 'a'; break;
1325 case CFG_B: *(char*)data = 'b'; break;
1326 case CFG_C: *(char*)data = 'c'; break;
1327 }
1328 return 0;
1329
1330 case SERIAL_SETCFG:
1331 /* Only for superuser! */
1332 error = priv_check (td, PRIV_DRIVER);
1333 if (error)
1334 return error;
1335 if (c->mode == M_HDLC)
1336 return EINVAL;
1337 s = splimp ();
1338 CT_LOCK (bd);
1339 switch (*(char*)data) {
1340 case 'a': ct_set_config (c->board, CFG_A); break;
1341 case 'b': ct_set_config (c->board, CFG_B); break;
1342 case 'c': ct_set_config (c->board, CFG_C); break;
1343 }
1344 CT_UNLOCK (bd);
1345 splx (s);
1346 return 0;
1347
1348 case SERIAL_GETSTAT:
1349 st = (struct serial_statistics*) data;
1350 st->rintr = c->rintr;
1351 st->tintr = c->tintr;
1352 st->mintr = c->mintr;
1353 st->ibytes = c->ibytes;
1354 st->ipkts = c->ipkts;
1355 st->ierrs = c->ierrs;
1356 st->obytes = c->obytes;
1357 st->opkts = c->opkts;
1358 st->oerrs = c->oerrs;
1359 return 0;
1360
1361 case SERIAL_GETESTAT:
1362 opte1 = (struct e1_statistics*)data;
1363 opte1->status = c->status;
1364 opte1->cursec = c->cursec;
1365 opte1->totsec = c->totsec + c->cursec;
1366
1367 opte1->currnt.bpv = c->currnt.bpv;
1368 opte1->currnt.fse = c->currnt.fse;
1369 opte1->currnt.crce = c->currnt.crce;
1370 opte1->currnt.rcrce = c->currnt.rcrce;
1371 opte1->currnt.uas = c->currnt.uas;
1372 opte1->currnt.les = c->currnt.les;
1373 opte1->currnt.es = c->currnt.es;
1374 opte1->currnt.bes = c->currnt.bes;
1375 opte1->currnt.ses = c->currnt.ses;
1376 opte1->currnt.oofs = c->currnt.oofs;
1377 opte1->currnt.css = c->currnt.css;
1378 opte1->currnt.dm = c->currnt.dm;
1379
1380 opte1->total.bpv = c->total.bpv + c->currnt.bpv;
1381 opte1->total.fse = c->total.fse + c->currnt.fse;
1382 opte1->total.crce = c->total.crce + c->currnt.crce;
1383 opte1->total.rcrce = c->total.rcrce + c->currnt.rcrce;
1384 opte1->total.uas = c->total.uas + c->currnt.uas;
1385 opte1->total.les = c->total.les + c->currnt.les;
1386 opte1->total.es = c->total.es + c->currnt.es;
1387 opte1->total.bes = c->total.bes + c->currnt.bes;
1388 opte1->total.ses = c->total.ses + c->currnt.ses;
1389 opte1->total.oofs = c->total.oofs + c->currnt.oofs;
1390 opte1->total.css = c->total.css + c->currnt.css;
1391 opte1->total.dm = c->total.dm + c->currnt.dm;
1392 for (s=0; s<48; ++s) {
1393 opte1->interval[s].bpv = c->interval[s].bpv;
1394 opte1->interval[s].fse = c->interval[s].fse;
1395 opte1->interval[s].crce = c->interval[s].crce;
1396 opte1->interval[s].rcrce = c->interval[s].rcrce;
1397 opte1->interval[s].uas = c->interval[s].uas;
1398 opte1->interval[s].les = c->interval[s].les;
1399 opte1->interval[s].es = c->interval[s].es;
1400 opte1->interval[s].bes = c->interval[s].bes;
1401 opte1->interval[s].ses = c->interval[s].ses;
1402 opte1->interval[s].oofs = c->interval[s].oofs;
1403 opte1->interval[s].css = c->interval[s].css;
1404 opte1->interval[s].dm = c->interval[s].dm;
1405 }
1406 return 0;
1407
1408 case SERIAL_CLRSTAT:
1409 /* Only for superuser! */
1410 error = priv_check (td, PRIV_DRIVER);
1411 if (error)
1412 return error;
1413 c->rintr = 0;
1414 c->tintr = 0;
1415 c->mintr = 0;
1416 c->ibytes = 0;
1417 c->ipkts = 0;
1418 c->ierrs = 0;
1419 c->obytes = 0;
1420 c->opkts = 0;
1421 c->oerrs = 0;
1422 bzero (&c->currnt, sizeof (c->currnt));
1423 bzero (&c->total, sizeof (c->total));
1424 bzero (c->interval, sizeof (c->interval));
1425 return 0;
1426
1427 case SERIAL_GETBAUD:
1428 *(long*)data = ct_get_baud(c);
1429 return 0;
1430
1431 case SERIAL_SETBAUD:
1432 /* Only for superuser! */
1433 error = priv_check (td, PRIV_DRIVER);
1434 if (error)
1435 return error;
1436 s = splimp ();
1437 CT_LOCK (bd);
1438 ct_set_baud (c, *(long*)data);
1439 CT_UNLOCK (bd);
1440 splx (s);
1441 return 0;
1442
1443 case SERIAL_GETLOOP:
1444 *(int*)data = ct_get_loop (c);
1445 return 0;
1446
1447 case SERIAL_SETLOOP:
1448 /* Only for superuser! */
1449 error = priv_check (td, PRIV_DRIVER);
1450 if (error)
1451 return error;
1452 s = splimp ();
1453 CT_LOCK (bd);
1454 ct_set_loop (c, *(int*)data);
1455 CT_UNLOCK (bd);
1456 splx (s);
1457 return 0;
1458
1459 case SERIAL_GETDPLL:
1460 if (c->mode == M_E1 || c->mode == M_G703)
1461 return EINVAL;
1462 *(int*)data = ct_get_dpll (c);
1463 return 0;
1464
1465 case SERIAL_SETDPLL:
1466 /* Only for superuser! */
1467 error = priv_check (td, PRIV_DRIVER);
1468 if (error)
1469 return error;
1470 if (c->mode == M_E1 || c->mode == M_G703)
1471 return EINVAL;
1472 s = splimp ();
1473 CT_LOCK (bd);
1474 ct_set_dpll (c, *(int*)data);
1475 CT_UNLOCK (bd);
1476 splx (s);
1477 return 0;
1478
1479 case SERIAL_GETNRZI:
1480 if (c->mode == M_E1 || c->mode == M_G703)
1481 return EINVAL;
1482 *(int*)data = ct_get_nrzi (c);
1483 return 0;
1484
1485 case SERIAL_SETNRZI:
1486 /* Only for superuser! */
1487 error = priv_check (td, PRIV_DRIVER);
1488 if (error)
1489 return error;
1490 if (c->mode == M_E1 || c->mode == M_G703)
1491 return EINVAL;
1492 s = splimp ();
1493 CT_LOCK (bd);
1494 ct_set_nrzi (c, *(int*)data);
1495 CT_UNLOCK (bd);
1496 splx (s);
1497 return 0;
1498
1499 case SERIAL_GETDEBUG:
1500 *(int*)data = c->debug;
1501 return 0;
1502
1503 case SERIAL_SETDEBUG:
1504 /* Only for superuser! */
1505 error = priv_check (td, PRIV_DRIVER);
1506 if (error)
1507 return error;
1508#ifndef NETGRAPH
1509 /*
1510 * The debug_shadow is always greater than zero for logic
1511 * simplicity. For switching debug off the IFF_DEBUG is
1512 * responsible.
1513 */
1514 c->debug_shadow = (*(int*)data) ? (*(int*)data) : 1;
1515 if (d->ifp->if_flags & IFF_DEBUG)
1516 c->debug = c->debug_shadow;
1517#else
1518 c->debug = *(int*)data;
1519#endif
1520 return 0;
1521
1522 case SERIAL_GETHIGAIN:
1523 if (c->mode != M_E1)
1524 return EINVAL;
1525 *(int*)data = ct_get_higain (c);
1526 return 0;
1527
1528 case SERIAL_SETHIGAIN:
1529 /* Only for superuser! */
1530 error = priv_check (td, PRIV_DRIVER);
1531 if (error)
1532 return error;
1533 s = splimp ();
1534 CT_LOCK (bd);
1535 ct_set_higain (c, *(int*)data);
1536 CT_UNLOCK (bd);
1537 splx (s);
1538 return 0;
1539
1540 case SERIAL_GETPHONY:
1541 CT_DEBUG2 (d, ("ioctl: getphony\n"));
1542 if (c->mode != M_E1)
1543 return EINVAL;
1544 *(int*)data = c->gopt.phony;
1545 return 0;
1546
1547 case SERIAL_SETPHONY:
1548 CT_DEBUG2 (d, ("ioctl: setphony\n"));
1549 if (c->mode != M_E1)
1550 return EINVAL;
1551 /* Only for superuser! */
1552 error = priv_check (td, PRIV_DRIVER);
1553 if (error)
1554 return error;
1555 s = splimp ();
1556 CT_LOCK (bd);
1557 ct_set_phony (c, *(int*)data);
1558 CT_UNLOCK (bd);
1559 splx (s);
1560 return 0;
1561
1562 case SERIAL_GETCLK:
1563 if (c->mode != M_E1 && c->mode != M_G703)
1564 return EINVAL;
1565 switch (ct_get_clk(c)) {
1566 default: *(int*)data = E1CLK_INTERNAL; break;
1567 case GCLK_RCV: *(int*)data = E1CLK_RECEIVE; break;
1568 case GCLK_RCLKO: *(int*)data = c->num ?
1569 E1CLK_RECEIVE_CHAN0 : E1CLK_RECEIVE_CHAN1; break;
1570 }
1571 return 0;
1572
1573 case SERIAL_SETCLK:
1574 /* Only for superuser! */
1575 error = priv_check (td, PRIV_DRIVER);
1576 if (error)
1577 return error;
1578 s = splimp ();
1579 CT_LOCK (bd);
1580 switch (*(int*)data) {
1581 default: ct_set_clk (c, GCLK_INT); break;
1582 case E1CLK_RECEIVE: ct_set_clk (c, GCLK_RCV); break;
1583 case E1CLK_RECEIVE_CHAN0:
1584 case E1CLK_RECEIVE_CHAN1:
1585 ct_set_clk (c, GCLK_RCLKO); break;
1586 }
1587 CT_UNLOCK (bd);
1588 splx (s);
1589 return 0;
1590
1591 case SERIAL_GETTIMESLOTS:
1592 if (c->mode != M_E1)
1593 return EINVAL;
1594 *(long*)data = ct_get_ts (c);
1595 return 0;
1596
1597 case SERIAL_SETTIMESLOTS:
1598 /* Only for superuser! */
1599 error = priv_check (td, PRIV_DRIVER);
1600 if (error)
1601 return error;
1602 s = splimp ();
1603 CT_LOCK (bd);
1604 ct_set_ts (c, *(long*)data);
1605 CT_UNLOCK (bd);
1606 splx (s);
1607 return 0;
1608
1609 case SERIAL_GETSUBCHAN:
1610 if (c->mode != M_E1)
1611 return EINVAL;
1612 *(long*)data = ct_get_subchan (c->board);
1613 return 0;
1614
1615 case SERIAL_SETSUBCHAN:
1616 /* Only for superuser! */
1617 error = priv_check (td, PRIV_DRIVER);
1618 if (error)
1619 return error;
1620 s = splimp ();
1621 CT_LOCK (bd);
1622 ct_set_subchan (c->board, *(long*)data);
1623 CT_UNLOCK (bd);
1624 splx (s);
1625 return 0;
1626
1627 case SERIAL_GETINVCLK:
1628 case SERIAL_GETINVTCLK:
1629 if (c->mode == M_E1 || c->mode == M_G703)
1630 return EINVAL;
1631 *(int*)data = ct_get_invtxc (c);
1632 return 0;
1633
1634 case SERIAL_GETINVRCLK:
1635 if (c->mode == M_E1 || c->mode == M_G703)
1636 return EINVAL;
1637 *(int*)data = ct_get_invrxc (c);
1638 return 0;
1639
1640 case SERIAL_SETINVCLK:
1641 case SERIAL_SETINVTCLK:
1642 /* Only for superuser! */
1643 error = priv_check (td, PRIV_DRIVER);
1644 if (error)
1645 return error;
1646 if (c->mode == M_E1 || c->mode == M_G703)
1647 return EINVAL;
1648 s = splimp ();
1649 CT_LOCK (bd);
1650 ct_set_invtxc (c, *(int*)data);
1651 CT_UNLOCK (bd);
1652 splx (s);
1653 return 0;
1654
1655 case SERIAL_SETINVRCLK:
1656 /* Only for superuser! */
1657 error = priv_check (td, PRIV_DRIVER);
1658 if (error)
1659 return error;
1660 if (c->mode == M_E1 || c->mode == M_G703)
1661 return EINVAL;
1662 s = splimp ();
1663 CT_LOCK (bd);
1664 ct_set_invrxc (c, *(int*)data);
1665 CT_UNLOCK (bd);
1666 splx (s);
1667 return 0;
1668
1669 case SERIAL_GETLEVEL:
1670 if (c->mode != M_G703)
1671 return EINVAL;
1672 s = splimp ();
1673 CT_LOCK (bd);
1674 *(int*)data = ct_get_lq (c);
1675 CT_UNLOCK (bd);
1676 splx (s);
1677 return 0;
1678
1679 case TIOCSDTR: /* Set DTR */
1680 s = splimp ();
1681 CT_LOCK (bd);
1682 ct_set_dtr (c, 1);
1683 CT_UNLOCK (bd);
1684 splx (s);
1685 return 0;
1686
1687 case TIOCCDTR: /* Clear DTR */
1688 s = splimp ();
1689 CT_LOCK (bd);
1690 ct_set_dtr (c, 0);
1691 CT_UNLOCK (bd);
1692 splx (s);
1693 return 0;
1694
1695 case TIOCMSET: /* Set DTR/RTS */
1696 s = splimp ();
1697 CT_LOCK (bd);
1698 ct_set_dtr (c, (*(int*)data & TIOCM_DTR) ? 1 : 0);
1699 ct_set_rts (c, (*(int*)data & TIOCM_RTS) ? 1 : 0);
1700 CT_UNLOCK (bd);
1701 splx (s);
1702 return 0;
1703
1704 case TIOCMBIS: /* Add DTR/RTS */
1705 s = splimp ();
1706 CT_LOCK (bd);
1707 if (*(int*)data & TIOCM_DTR) ct_set_dtr (c, 1);
1708 if (*(int*)data & TIOCM_RTS) ct_set_rts (c, 1);
1709 CT_UNLOCK (bd);
1710 splx (s);
1711 return 0;
1712
1713 case TIOCMBIC: /* Clear DTR/RTS */
1714 s = splimp ();
1715 CT_LOCK (bd);
1716 if (*(int*)data & TIOCM_DTR) ct_set_dtr (c, 0);
1717 if (*(int*)data & TIOCM_RTS) ct_set_rts (c, 0);
1718 CT_UNLOCK (bd);
1719 splx (s);
1720 return 0;
1721
1722 case TIOCMGET: /* Get modem status */
1723 *(int*)data = ct_modem_status (c);
1724 return 0;
1725 }
1726 return ENOTTY;
1727}
1728
1729#ifdef NETGRAPH
1730static int ng_ct_constructor (node_p node)
1731{
1732 drv_t *d = NG_NODE_PRIVATE (node);
1733 CT_DEBUG (d, ("Constructor\n"));
1734 return EINVAL;
1735}
1736
1737static int ng_ct_newhook (node_p node, hook_p hook, const char *name)
1738{
1739 int s;
1740 drv_t *d = NG_NODE_PRIVATE (node);
1741
1742 if (!d)
1743 return EINVAL;
1744
1745 bdrv_t *bd = d->bd;
1746
1747 /* Attach debug hook */
1748 if (strcmp (name, NG_CT_HOOK_DEBUG) == 0) {
1749 NG_HOOK_SET_PRIVATE (hook, NULL);
1750 d->debug_hook = hook;
1751 return 0;
1752 }
1753
1754 /* Check for raw hook */
1755 if (strcmp (name, NG_CT_HOOK_RAW) != 0)
1756 return EINVAL;
1757
1758 NG_HOOK_SET_PRIVATE (hook, d);
1759 d->hook = hook;
1760 s = splimp ();
1761 CT_LOCK (bd);
1762 ct_up (d);
1763 CT_UNLOCK (bd);
1764 splx (s);
1765 return 0;
1766}
1767
1768static char *format_timeslots (u_long s)
1769{
1770 static char buf [100];
1771 char *p = buf;
1772 int i;
1773
1774 for (i=1; i<32; ++i)
1775 if ((s >> i) & 1) {
1776 int prev = (i > 1) & (s >> (i-1));
1777 int next = (i < 31) & (s >> (i+1));
1778
1779 if (prev) {
1780 if (next)
1781 continue;
1782 *p++ = '-';
1783 } else if (p > buf)
1784 *p++ = ',';
1785
1786 if (i >= 10)
1787 *p++ = '0' + i / 10;
1788 *p++ = '0' + i % 10;
1789 }
1790 *p = 0;
1791 return buf;
1792}
1793
1794static int print_modems (char *s, ct_chan_t *c, int need_header)
1795{
1796 int status = ct_modem_status (c);
1797 int length = 0;
1798
1799 if (need_header)
1800 length += sprintf (s + length, " LE DTR DSR RTS CTS CD\n");
1801 length += sprintf (s + length, "%4s %4s %4s %4s %4s %4s\n",
1802 status & TIOCM_LE ? "On" : "-",
1803 status & TIOCM_DTR ? "On" : "-",
1804 status & TIOCM_DSR ? "On" : "-",
1805 status & TIOCM_RTS ? "On" : "-",
1806 status & TIOCM_CTS ? "On" : "-",
1807 status & TIOCM_CD ? "On" : "-");
1808 return length;
1809}
1810
1811static int print_stats (char *s, ct_chan_t *c, int need_header)
1812{
1813 struct serial_statistics st;
1814 int length = 0;
1815
1816 st.rintr = c->rintr;
1817 st.tintr = c->tintr;
1818 st.mintr = c->mintr;
1819 st.ibytes = c->ibytes;
1820 st.ipkts = c->ipkts;
1821 st.ierrs = c->ierrs;
1822 st.obytes = c->obytes;
1823 st.opkts = c->opkts;
1824 st.oerrs = c->oerrs;
1825 if (need_header)
1826 length += sprintf (s + length, " Rintr Tintr Mintr Ibytes Ipkts Ierrs Obytes Opkts Oerrs\n");
1827 length += sprintf (s + length, "%7ld %7ld %7ld %8ld %7ld %7ld %8ld %7ld %7ld\n",
1828 st.rintr, st.tintr, st.mintr, st.ibytes, st.ipkts,
1829 st.ierrs, st.obytes, st.opkts, st.oerrs);
1830 return length;
1831}
1832
1833static char *format_e1_status (u_char status)
1834{
1835 static char buf [80];
1836
1837 if (status & E1_NOALARM)
1838 return "Ok";
1839 buf[0] = 0;
1840 if (status & E1_LOS) strcat (buf, ",LOS");
1841 if (status & E1_AIS) strcat (buf, ",AIS");
1842 if (status & E1_LOF) strcat (buf, ",LOF");
1843 if (status & E1_LOMF) strcat (buf, ",LOMF");
1844 if (status & E1_FARLOF) strcat (buf, ",FARLOF");
1845 if (status & E1_AIS16) strcat (buf, ",AIS16");
1846 if (status & E1_FARLOMF) strcat (buf, ",FARLOMF");
1847 if (status & E1_TSTREQ) strcat (buf, ",TSTREQ");
1848 if (status & E1_TSTERR) strcat (buf, ",TSTERR");
1849 if (buf[0] == ',')
1850 return buf+1;
1851 return "Unknown";
1852}
1853
1854static int print_frac (char *s, int leftalign, u_long numerator, u_long divider)
1855{
1856 int n, length = 0;
1857
1858 if (numerator < 1 || divider < 1) {
1859 length += sprintf (s+length, leftalign ? "/- " : " -");
1860 return length;
1861 }
1862 n = (int) (0.5 + 1000.0 * numerator / divider);
1863 if (n < 1000) {
1864 length += sprintf (s+length, leftalign ? "/.%-3d" : " .%03d", n);
1865 return length;
1866 }
1867 *(s + length) = leftalign ? '/' : ' ';
1868 length ++;
1869
1870 if (n >= 1000000) n = (n+500) / 1000 * 1000;
1871 else if (n >= 100000) n = (n+50) / 100 * 100;
1872 else if (n >= 10000) n = (n+5) / 10 * 10;
1873
1874 switch (n) {
1875 case 1000: length += printf (s+length, ".999"); return length;
1876 case 10000: n = 9990; break;
1877 case 100000: n = 99900; break;
1878 case 1000000: n = 999000; break;
1879 }
1880 if (n < 10000) length += sprintf (s+length, "%d.%d", n/1000, n/10%100);
1881 else if (n < 100000) length += sprintf (s+length, "%d.%d", n/1000, n/100%10);
1882 else if (n < 1000000) length += sprintf (s+length, "%d.", n/1000);
1883 else length += sprintf (s+length, "%d", n/1000);
1884
1885 return length;
1886}
1887
1888static int print_e1_stats (char *s, ct_chan_t *c)
1889{
1890 struct e1_counters total;
1891 u_long totsec;
1892 int length = 0;
1893
1894 totsec = c->totsec + c->cursec;
1895 total.bpv = c->total.bpv + c->currnt.bpv;
1896 total.fse = c->total.fse + c->currnt.fse;
1897 total.crce = c->total.crce + c->currnt.crce;
1898 total.rcrce = c->total.rcrce + c->currnt.rcrce;
1899 total.uas = c->total.uas + c->currnt.uas;
1900 total.les = c->total.les + c->currnt.les;
1901 total.es = c->total.es + c->currnt.es;
1902 total.bes = c->total.bes + c->currnt.bes;
1903 total.ses = c->total.ses + c->currnt.ses;
1904 total.oofs = c->total.oofs + c->currnt.oofs;
1905 total.css = c->total.css + c->currnt.css;
1906 total.dm = c->total.dm + c->currnt.dm;
1907
1908 length += sprintf (s + length, " Unav/Degr Bpv/Fsyn CRC/RCRC Err/Lerr Sev/Bur Oof/Slp Status\n");
1909
1910 /* Unavailable seconds, degraded minutes */
1911 length += print_frac (s + length, 0, c->currnt.uas, c->cursec);
1912 length += print_frac (s + length, 1, 60 * c->currnt.dm, c->cursec);
1913
1914 /* Bipolar violations, frame sync errors */
1915 length += print_frac (s + length, 0, c->currnt.bpv, c->cursec);
1916 length += print_frac (s + length, 1, c->currnt.fse, c->cursec);
1917
1918 /* CRC errors, remote CRC errors (E-bit) */
1919 length += print_frac (s + length, 0, c->currnt.crce, c->cursec);
1920 length += print_frac (s + length, 1, c->currnt.rcrce, c->cursec);
1921
1922 /* Errored seconds, line errored seconds */
1923 length += print_frac (s + length, 0, c->currnt.es, c->cursec);
1924 length += print_frac (s + length, 1, c->currnt.les, c->cursec);
1925
1926 /* Severely errored seconds, burst errored seconds */
1927 length += print_frac (s + length, 0, c->currnt.ses, c->cursec);
1928 length += print_frac (s + length, 1, c->currnt.bes, c->cursec);
1929
1930 /* Out of frame seconds, controlled slip seconds */
1931 length += print_frac (s + length, 0, c->currnt.oofs, c->cursec);
1932 length += print_frac (s + length, 1, c->currnt.css, c->cursec);
1933
1934 length += sprintf (s + length, " %s\n", format_e1_status (c->status));
1935
1936 /* Print total statistics. */
1937 length += print_frac (s + length, 0, total.uas, totsec);
1938 length += print_frac (s + length, 1, 60 * total.dm, totsec);
1939
1940 length += print_frac (s + length, 0, total.bpv, totsec);
1941 length += print_frac (s + length, 1, total.fse, totsec);
1942
1943 length += print_frac (s + length, 0, total.crce, totsec);
1944 length += print_frac (s + length, 1, total.rcrce, totsec);
1945
1946 length += print_frac (s + length, 0, total.es, totsec);
1947 length += print_frac (s + length, 1, total.les, totsec);
1948
1949 length += print_frac (s + length, 0, total.ses, totsec);
1950 length += print_frac (s + length, 1, total.bes, totsec);
1951
1952 length += print_frac (s + length, 0, total.oofs, totsec);
1953 length += print_frac (s + length, 1, total.css, totsec);
1954
1955 length += sprintf (s + length, " -- Total\n");
1956 return length;
1957}
1958
1959static int print_chan (char *s, ct_chan_t *c)
1960{
1961 drv_t *d = c->sys;
1962 bdrv_t *bd = d->bd;
1963 int length = 0;
1964
1965 length += sprintf (s + length, "ct%d", c->board->num * NCHAN + c->num);
1966 if (d->chan->debug)
1967 length += sprintf (s + length, " debug=%d", d->chan->debug);
1968
1969 switch (ct_get_config (c->board)) {
1970 case CFG_A: length += sprintf (s + length, " cfg=A"); break;
1971 case CFG_B: length += sprintf (s + length, " cfg=B"); break;
1972 case CFG_C: length += sprintf (s + length, " cfg=C"); break;
1973 default: length += sprintf (s + length, " cfg=unknown"); break;
1974 }
1975
1976 if (ct_get_baud (c))
1977 length += sprintf (s + length, " %ld", ct_get_baud (c));
1978 else
1979 length += sprintf (s + length, " extclock");
1980
1981 if (c->mode == M_E1 || c->mode == M_G703)
1982 switch (ct_get_clk(c)) {
1983 case GCLK_INT : length += sprintf (s + length, " syn=int"); break;
1984 case GCLK_RCV : length += sprintf (s + length, " syn=rcv"); break;
1985 case GCLK_RCLKO : length += sprintf (s + length, " syn=xrcv"); break;
1986 }
1987 if (c->mode == M_HDLC) {
1988 length += sprintf (s + length, " dpll=%s", ct_get_dpll (c) ? "on" : "off");
1989 length += sprintf (s + length, " nrzi=%s", ct_get_nrzi (c) ? "on" : "off");
1990 length += sprintf (s + length, " invtclk=%s", ct_get_invtxc (c) ? "on" : "off");
1991 length += sprintf (s + length, " invrclk=%s", ct_get_invrxc (c) ? "on" : "off");
1992 }
1993 if (c->mode == M_E1)
1994 length += sprintf (s + length, " higain=%s", ct_get_higain (c)? "on" : "off");
1995
1996 length += sprintf (s + length, " loop=%s", ct_get_loop (c) ? "on" : "off");
1997
1998 if (c->mode == M_E1)
1999 length += sprintf (s + length, " ts=%s", format_timeslots (ct_get_ts(c)));
2000 if (c->mode == M_E1 && ct_get_config (c->board) != CFG_A)
2001 length += sprintf (s + length, " pass=%s", format_timeslots (ct_get_subchan(c->board)));
2002 if (c->mode == M_G703) {
2003 int lq, x;
2004
2005 x = splimp ();
2006 CT_LOCK (bd);
2007 lq = ct_get_lq (c);
2008 CT_UNLOCK (bd);
2009 splx (x);
2010 length += sprintf (s + length, " (level=-%.1fdB)", lq / 10.0);
2011 }
2012 length += sprintf (s + length, "\n");
2013 return length;
2014}
2015
2016static int ng_ct_rcvmsg (node_p node, item_p item, hook_p lasthook)
2017{
2018 drv_t *d = NG_NODE_PRIVATE (node);
2019 struct ng_mesg *msg;
2020 struct ng_mesg *resp = NULL;
2021 int error = 0;
2022
2023 if (!d)
2024 return EINVAL;
2025
2026 CT_DEBUG (d, ("Rcvmsg\n"));
2027 NGI_GET_MSG (item, msg);
2028 switch (msg->header.typecookie) {
2029 default:
2030 error = EINVAL;
2031 break;
2032
2033 case NGM_CT_COOKIE:
2034 printf ("Don't forget to implement\n");
2035 error = EINVAL;
2036 break;
2037
2038 case NGM_GENERIC_COOKIE:
2039 switch (msg->header.cmd) {
2040 default:
2041 error = EINVAL;
2042 break;
2043
2044 case NGM_TEXT_STATUS: {
2045 char *s;
2046 int l = 0;
2047 int dl = sizeof (struct ng_mesg) + 730;
2048
2049 NG_MKRESPONSE (resp, msg, dl, M_NOWAIT);
2050 if (! resp) {
2051 error = ENOMEM;
2052 break;
2053 }
2054 s = (resp)->data;
2055 l += print_chan (s + l, d->chan);
2056 l += print_stats (s + l, d->chan, 1);
2057 l += print_modems (s + l, d->chan, 1);
2058 l += print_e1_stats (s + l, d->chan);
2059 strncpy ((resp)->header.cmdstr, "status", NG_CMDSTRSIZ);
2060 }
2061 break;
2062 }
2063 break;
2064 }
2065 NG_RESPOND_MSG (error, node, item, resp);
2066 NG_FREE_MSG (msg);
2067 return error;
2068}
2069
2070static int ng_ct_rcvdata (hook_p hook, item_p item)
2071{
2072 drv_t *d = NG_NODE_PRIVATE (NG_HOOK_NODE(hook));
2073 struct mbuf *m;
2074 struct ng_tag_prio *ptag;
2075 bdrv_t *bd;
2076 struct ifqueue *q;
2077 int s;
2078
2079 if (!d)
2080 return ENETDOWN;
2081
2082 bd = d->bd;
2083 NGI_GET_M (item, m);
2084 NG_FREE_ITEM (item);
2085 if (! NG_HOOK_PRIVATE (hook) || ! d) {
2086 NG_FREE_M (m);
2087 return ENETDOWN;
2088 }
2089
2090 /* Check for high priority data */
2091 if ((ptag = (struct ng_tag_prio *)m_tag_locate(m, NGM_GENERIC_COOKIE,
2092 NG_TAG_PRIO, NULL)) != NULL && (ptag->priority > NG_PRIO_CUTOFF) )
2093 q = &d->hi_queue;
2094 else
2095 q = &d->queue;
2096
2097 s = splimp ();
2098 CT_LOCK (bd);
2099 IF_LOCK (q);
2100 if (_IF_QFULL (q)) {
2101 _IF_DROP (q);
2102 IF_UNLOCK (q);
2103 CT_UNLOCK (bd);
2104 splx (s);
2105 NG_FREE_M (m);
2106 return ENOBUFS;
2107 }
2108 _IF_ENQUEUE (q, m);
2109 IF_UNLOCK (q);
2110 ct_start (d);
2111 CT_UNLOCK (bd);
2112 splx (s);
2113 return 0;
2114}
2115
2116static int ng_ct_rmnode (node_p node)
2117{
2118 drv_t *d = NG_NODE_PRIVATE (node);
2119 bdrv_t *bd;
2120
2121 CT_DEBUG (d, ("Rmnode\n"));
2122 if (d && d->running) {
2123 bd = d->bd;
2124 int s = splimp ();
2125 CT_LOCK (bd);
2126 ct_down (d);
2127 CT_UNLOCK (bd);
2128 splx (s);
2129 }
2130#ifdef KLD_MODULE
2131 if (node->nd_flags & NGF_REALLY_DIE) {
2132 NG_NODE_SET_PRIVATE (node, NULL);
2133 NG_NODE_UNREF (node);
2134 }
2135 NG_NODE_REVIVE(node); /* Persistant node */
2136#endif
2137 return 0;
2138}
2139
2140static int ng_ct_connect (hook_p hook)
2141{
2142 drv_t *d = NG_NODE_PRIVATE (NG_HOOK_NODE (hook));
2143
2144 if (!d)
2145 return 0;
2146
2147 callout_reset (&d->timeout_handle, hz, ct_watchdog_timer, d);
2148 return 0;
2149}
2150
2151static int ng_ct_disconnect (hook_p hook)
2152{
2153 drv_t *d = NG_NODE_PRIVATE (NG_HOOK_NODE (hook));
2154 bdrv_t *bd;
2155
2156 if (!d)
2157 return 0;
2158
2159 bd = d->bd;
2160
2161 CT_LOCK (bd);
2162 if (NG_HOOK_PRIVATE (hook))
2163 ct_down (d);
2164 CT_UNLOCK (bd);
2165 /* If we were wait it than it reasserted now, just stop it. */
2166 if (!callout_drain (&d->timeout_handle))
2167 callout_stop (&d->timeout_handle);
2168 return 0;
2169}
2170#endif
2171
2172static int ct_modevent (module_t mod, int type, void *unused)
2173{
2174 static int load_count = 0;
2175
2176 switch (type) {
2177 case MOD_LOAD:
2178#ifdef NETGRAPH
2179 if (ng_newtype (&typestruct))
2180 printf ("Failed to register ng_ct\n");
2181#endif
2182 ++load_count;
2183 callout_init (&timeout_handle, CALLOUT_MPSAFE);
2184 callout_reset (&timeout_handle, hz*5, ct_timeout, 0);
2185 break;
2186 case MOD_UNLOAD:
2187 if (load_count == 1) {
2188 printf ("Removing device entry for Tau-ISA\n");
2189#ifdef NETGRAPH
2190 ng_rmtype (&typestruct);
2191#endif
2192 }
2193 /* If we were wait it than it reasserted now, just stop it. */
2194 if (!callout_drain (&timeout_handle))
2195 callout_stop (&timeout_handle);
2196 --load_count;
2197 break;
2198 case MOD_SHUTDOWN:
2199 break;
2200 }
2201 return 0;
2202}
2203
2204#ifdef NETGRAPH
2205static struct ng_type typestruct = {
2206 .version = NG_ABI_VERSION,
2207 .name = NG_CT_NODE_TYPE,
2208 .constructor = ng_ct_constructor,
2209 .rcvmsg = ng_ct_rcvmsg,
2210 .shutdown = ng_ct_rmnode,
2211 .newhook = ng_ct_newhook,
2212 .connect = ng_ct_connect,
2213 .rcvdata = ng_ct_rcvdata,
2214 .disconnect = ng_ct_disconnect,
2215};
2216#endif /*NETGRAPH*/
2217
2218#ifdef NETGRAPH
2219MODULE_DEPEND (ng_ct, netgraph, NG_ABI_VERSION, NG_ABI_VERSION, NG_ABI_VERSION);
2220#else
2221MODULE_DEPEND (ct, sppp, 1, 1, 1);
2222#endif
2223DRIVER_MODULE (ct, isa, ct_isa_driver, ct_devclass, ct_modevent, NULL);
2224MODULE_VERSION (ct, 1);
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