149};
150
151typedef struct _ce_dma_mem_t {
152 unsigned long phys;
153 void *virt;
154 size_t size;
155#if __FreeBSD_version >= 500000
156 bus_dma_tag_t dmat;
157 bus_dmamap_t mapp;
158#endif
159} ce_dma_mem_t;
160
161typedef struct _drv_t {
162 char name [8];
163 int running;
164 ce_board_t *board;
165 ce_chan_t *chan;
166 struct ifqueue rqueue;
167#ifdef NETGRAPH
168 char nodename [NG_NODESIZE];
169 hook_p hook;
170 hook_p debug_hook;
171 node_p node;
172 struct ifqueue queue;
173 struct ifqueue hi_queue;
174#else
175 struct ifnet *ifp;
176#endif
177 short timeout;
178 struct callout timeout_handle;
179#if __FreeBSD_version >= 500000
180 struct cdev *devt;
181#else /* __FreeBSD_version < 500000 */
182 dev_t devt;
183#endif
184 ce_dma_mem_t dmamem;
185} drv_t;
186
187typedef struct _bdrv_t {
188 ce_board_t *board;
189 struct resource *ce_res;
190 struct resource *ce_irq;
191 void *ce_intrhand;
192 ce_dma_mem_t dmamem;
193 drv_t channel [NCHAN];
194#if __FreeBSD_version >= 504000
195 struct mtx ce_mtx;
196#endif
197} bdrv_t;
198
199static driver_t ce_driver = {
200 "ce",
201 ce_methods,
202 sizeof(bdrv_t),
203};
204
205static devclass_t ce_devclass;
206
207static void ce_receive (ce_chan_t *c, unsigned char *data, int len);
208static void ce_transmit (ce_chan_t *c, void *attachment, int len);
209static void ce_error (ce_chan_t *c, int data);
210static void ce_up (drv_t *d);
211static void ce_start (drv_t *d);
212static void ce_down (drv_t *d);
213static void ce_watchdog (drv_t *d);
214static void ce_watchdog_timer (void *arg);
215#ifdef NETGRAPH
216extern struct ng_type typestruct;
217#else
218static void ce_ifstart (struct ifnet *ifp);
219static void ce_tlf (struct sppp *sp);
220static void ce_tls (struct sppp *sp);
221static int ce_sioctl (struct ifnet *ifp, u_long cmd, caddr_t data);
222static void ce_initialize (void *softc);
223#endif
224
225static ce_board_t *adapter [NBRD];
226static drv_t *channel [NBRD*NCHAN];
227static struct callout led_timo [NBRD];
228static struct callout timeout_handle;
229
230static int ce_destroy = 0;
231
232#if __FreeBSD_version < 500000
233static int ce_open (dev_t dev, int oflags, int devtype, struct proc *p);
234static int ce_close (dev_t dev, int fflag, int devtype, struct proc *p);
235static int ce_ioctl (dev_t dev, u_long cmd, caddr_t data, int flag, struct proc *p);
236#else
237static int ce_open (struct cdev *dev, int oflags, int devtype, struct thread *td);
238static int ce_close (struct cdev *dev, int fflag, int devtype, struct thread *td);
239static int ce_ioctl (struct cdev *dev, u_long cmd, caddr_t data, int flag, struct thread *td);
240#endif
241#if __FreeBSD_version < 500000
242static struct cdevsw ce_cdevsw = {
243 ce_open, ce_close, noread, nowrite,
244 ce_ioctl, nopoll, nommap, nostrategy,
245 "ce", CDEV_MAJOR, nodump, nopsize,
246 D_NAGGED, -1
247 };
248#elif __FreeBSD_version == 500000
249static struct cdevsw ce_cdevsw = {
250 ce_open, ce_close, noread, nowrite,
251 ce_ioctl, nopoll, nommap, nostrategy,
252 "ce", CDEV_MAJOR, nodump, nopsize,
253 D_NAGGED,
254 };
255#elif __FreeBSD_version <= 501000
256static struct cdevsw ce_cdevsw = {
257 .d_open = ce_open,
258 .d_close = ce_close,
259 .d_read = noread,
260 .d_write = nowrite,
261 .d_ioctl = ce_ioctl,
262 .d_poll = nopoll,
263 .d_mmap = nommap,
264 .d_strategy = nostrategy,
265 .d_name = "ce",
266 .d_maj = CDEV_MAJOR,
267 .d_dump = nodump,
268 .d_flags = D_NAGGED,
269};
270#elif __FreeBSD_version < 502103
271static struct cdevsw ce_cdevsw = {
272 .d_open = ce_open,
273 .d_close = ce_close,
274 .d_ioctl = ce_ioctl,
275 .d_name = "ce",
276 .d_maj = CDEV_MAJOR,
277 .d_flags = D_NAGGED,
278};
279#elif __FreeBSD_version < 600000
280static struct cdevsw ce_cdevsw = {
281 .d_version = D_VERSION,
282 .d_open = ce_open,
283 .d_close = ce_close,
284 .d_ioctl = ce_ioctl,
285 .d_name = "ce",
286 .d_maj = CDEV_MAJOR,
287 .d_flags = D_NEEDGIANT,
288};
289#else /* __FreeBSD_version >= 600000 */
290static struct cdevsw ce_cdevsw = {
291 .d_version = D_VERSION,
292 .d_open = ce_open,
293 .d_close = ce_close,
294 .d_ioctl = ce_ioctl,
295 .d_name = "ce",
296};
297#endif
298
299/*
300 * Print the mbuf chain, for debug purposes only.
301 */
302static void printmbuf (struct mbuf *m)
303{
304 printf ("mbuf:");
305 for (; m; m=m->m_next) {
306 if (m->m_flags & M_PKTHDR)
307 printf (" HDR %d:", m->m_pkthdr.len);
308 if (m->m_flags & M_EXT)
309 printf (" EXT:");
310 printf (" %d", m->m_len);
311 }
312 printf ("\n");
313}
314
315/*
316 * Make an mbuf from data.
317 */
318static struct mbuf *makembuf (void *buf, unsigned len)
319{
320 struct mbuf *m;
321
322 MGETHDR (m, M_NOWAIT, MT_DATA);
323 if (! m)
324 return 0;
325 MCLGET (m, M_NOWAIT);
326 if (! (m->m_flags & M_EXT)) {
327 m_freem (m);
328 return 0;
329 }
330 m->m_pkthdr.len = m->m_len = len;
331 bcopy (buf, mtod (m, caddr_t), len);
332 return m;
333}
334
335static int ce_probe (device_t dev)
336{
337 if ((pci_get_vendor (dev) == TAU32_PCI_VENDOR_ID) &&
338 (pci_get_device (dev) == TAU32_PCI_DEVICE_ID)) {
339 device_set_desc (dev, "Cronyx-Tau32-PCI serial adapter");
340 return BUS_PROBE_DEFAULT;
341 }
342 return ENXIO;
343}
344
345static void ce_timeout (void *arg)
346{
347 drv_t *d;
348 int s, i, k;
349
350 for (i = 0; i < NBRD; ++i) {
351 if (adapter[i] == NULL)
352 continue;
353 for (k = 0; k < NCHAN; ++k) {
354 s = splimp ();
355 if (ce_destroy) {
356 splx (s);
357 return;
358 }
359 d = channel[i * NCHAN + k];
360 if (!d) {
361 splx (s);
362 continue;
363 }
364 CE_LOCK ((bdrv_t *)d->board->sys);
365 switch (d->chan->type) {
366 case T_E1:
367 ce_e1_timer (d->chan);
368 break;
369 default:
370 break;
371 }
372 CE_UNLOCK ((bdrv_t *)d->board->sys);
373 splx (s);
374 }
375 }
376 s = splimp ();
377 if (!ce_destroy)
378 callout_reset (&timeout_handle, hz, ce_timeout, 0);
379 splx (s);
380}
381
382static void ce_led_off (void *arg)
383{
384 ce_board_t *b = arg;
385 bdrv_t *bd = (bdrv_t *) b->sys;
386 int s;
387 s = splimp ();
388 if (ce_destroy) {
389 splx (s);
390 return;
391 }
392 CE_LOCK (bd);
393 TAU32_LedSet (b->ddk.pControllerObject, 0);
394 CE_UNLOCK (bd);
395 splx (s);
396}
397
398static void ce_intr (void *arg)
399{
400 bdrv_t *bd = arg;
401 ce_board_t *b = bd->board;
402 int s;
403 int i;
404#if __FreeBSD_version >= 500000 && defined NETGRAPH
405 int error;
406#endif
407 s = splimp ();
408 if (ce_destroy) {
409 splx (s);
410 return;
411 }
412 CE_LOCK (bd);
413 /* Turn LED on. */
414 TAU32_LedSet (b->ddk.pControllerObject, 1);
415
416 TAU32_HandleInterrupt (b->ddk.pControllerObject);
417
418 /* Turn LED off 50 msec later. */
419 callout_reset (&led_timo[b->num], hz/20, ce_led_off, b);
420 CE_UNLOCK (bd);
421 splx (s);
422
423 /* Pass packets in a lock-free state */
424 for (i = 0; i < NCHAN && b->chan[i].type; i++) {
425 drv_t *d = b->chan[i].sys;
426 struct mbuf *m;
427 if (!d || !d->running)
428 continue;
429 while (_IF_QLEN(&d->rqueue)) {
430 IF_DEQUEUE (&d->rqueue,m);
431 if (!m)
432 continue;
433#ifdef NETGRAPH
434 if (d->hook) {
435#if __FreeBSD_version >= 500000
436 NG_SEND_DATA_ONLY (error, d->hook, m);
437#else
438 ng_queue_data (d->hook, m, 0);
439#endif
440 } else {
441 IF_DRAIN (&d->rqueue);
442 }
443#else
444 sppp_input (d->ifp, m);
445#endif
446 }
447 }
448}
449
450#if __FreeBSD_version >= 500000
451static void
452ce_bus_dmamap_addr (void *arg, bus_dma_segment_t *segs, int nseg, int error)
453{
454 unsigned long *addr;
455
456 if (error)
457 return;
458
459 KASSERT(nseg == 1, ("too many DMA segments, %d should be 1", nseg));
460 addr = arg;
461 *addr = segs->ds_addr;
462}
463
464#ifndef BUS_DMA_ZERO
465#define BUS_DMA_ZERO 0
466#endif
467
468static int
469ce_bus_dma_mem_alloc (int bnum, int cnum, ce_dma_mem_t *dmem)
470{
471 int error;
472
473 error = bus_dma_tag_create (NULL, 16, 0, BUS_SPACE_MAXADDR_32BIT,
474 BUS_SPACE_MAXADDR, NULL, NULL, dmem->size, 1,
475 dmem->size, 0,
476#if __FreeBSD_version >= 502000
477 NULL, NULL,
478#endif
479 &dmem->dmat);
480 if (error) {
481 if (cnum >= 0) printf ("ce%d-%d: ", bnum, cnum);
482 else printf ("ce%d: ", bnum);
483 printf ("couldn't allocate tag for dma memory\n");
484 return 0;
485 }
486 error = bus_dmamem_alloc (dmem->dmat, (void **)&dmem->virt,
487 BUS_DMA_NOWAIT | BUS_DMA_ZERO, &dmem->mapp);
488 if (error) {
489 if (cnum >= 0) printf ("ce%d-%d: ", bnum, cnum);
490 else printf ("ce%d: ", bnum);
491 printf ("couldn't allocate mem for dma memory\n");
492 bus_dma_tag_destroy (dmem->dmat);
493 return 0;
494 }
495 error = bus_dmamap_load (dmem->dmat, dmem->mapp, dmem->virt,
496 dmem->size, ce_bus_dmamap_addr, &dmem->phys, 0);
497 if (error) {
498 if (cnum >= 0) printf ("ce%d-%d: ", bnum, cnum);
499 else printf ("ce%d: ", bnum);
500 printf ("couldn't load mem map for dma memory\n");
501 bus_dmamem_free (dmem->dmat, dmem->virt, dmem->mapp);
502 bus_dma_tag_destroy (dmem->dmat);
503 return 0;
504 }
505#if __FreeBSD_version >= 502000
506 bzero (dmem->virt, dmem->size);
507#endif
508 return 1;
509}
510
511static void
512ce_bus_dma_mem_free (ce_dma_mem_t *dmem)
513{
514 bus_dmamap_unload (dmem->dmat, dmem->mapp);
515 bus_dmamem_free (dmem->dmat, dmem->virt, dmem->mapp);
516 bus_dma_tag_destroy (dmem->dmat);
517}
518#else
519static int
520ce_bus_dma_mem_alloc (int bnum, int cnum, ce_dma_mem_t *dmem)
521{
522 dmem->virt = contigmalloc (dmem->size, M_DEVBUF, M_WAITOK,
523 0x100000, 0xffffffff, 16, 0);
524 if (dmem->virt == NULL) {
525 if (cnum >= 0) printf ("ce%d-%d: ", bnum, cnum);
526 else printf ("ce%d: ", bnum);
527 printf ("couldn't allocate dma memory\n");
528 return 0;
529 }
530 dmem->phys = vtophys (dmem->virt);
531 bzero (dmem->virt, dmem->size);
532 return 1;
533}
534
535static void
536ce_bus_dma_mem_free (ce_dma_mem_t *dmem)
537{
538 contigfree (dmem->virt, dmem->size, M_DEVBUF);
539}
540#endif
541
542/*
543 * Called if the probe succeeded.
544 */
545static int ce_attach (device_t dev)
546{
547 bdrv_t *bd = device_get_softc (dev);
548 int unit = device_get_unit (dev);
549#if __FreeBSD_version >= 504000
550 char *ce_ln = CE_LOCK_NAME;
551#endif
552 vm_offset_t vbase;
553 int rid, error;
554 ce_board_t *b;
555 ce_chan_t *c;
556 drv_t *d;
557 int s;
558
559 b = malloc (sizeof(ce_board_t), M_DEVBUF, M_WAITOK);
560 if (!b) {
561 printf ("ce%d: couldn't allocate memory\n", unit);
562 return (ENXIO);
563 }
564 bzero (b, sizeof(ce_board_t));
565
566 b->ddk.sys = &b;
567
568#if __FreeBSD_version >= 440000
569 pci_enable_busmaster (dev);
570#endif
571
572 bd->dmamem.size = TAU32_ControllerObjectSize;
573 if (! ce_bus_dma_mem_alloc (unit, -1, &bd->dmamem)) {
574 free (b, M_DEVBUF);
575 return (ENXIO);
576 }
577 b->ddk.pControllerObject = bd->dmamem.virt;
578
579 bd->board = b;
580 b->sys = bd;
581 rid = PCIR_BAR(0);
582 bd->ce_res = bus_alloc_resource (dev, SYS_RES_MEMORY, &rid,
583 0, ~0, 1, RF_ACTIVE);
584 if (! bd->ce_res) {
585 printf ("ce%d: cannot map memory\n", unit);
586 ce_bus_dma_mem_free (&bd->dmamem);
587 free (b, M_DEVBUF);
588 return (ENXIO);
589 }
590 vbase = (vm_offset_t) rman_get_virtual (bd->ce_res);
591
592 b->ddk.PciBar1VirtualAddress = (void *)vbase;
593 b->ddk.ControllerObjectPhysicalAddress = bd->dmamem.phys;
594 b->ddk.pErrorNotifyCallback = ce_error_callback;
595 b->ddk.pStatusNotifyCallback = ce_status_callback;
596 b->num = unit;
597
598 TAU32_BeforeReset(&b->ddk);
599 pci_write_config (dev, TAU32_PCI_RESET_ADDRESS, TAU32_PCI_RESET_ON, 4);
600 pci_write_config (dev, TAU32_PCI_RESET_ADDRESS, TAU32_PCI_RESET_OFF, 4);
601
602 if(!TAU32_Initialize(&b->ddk, 0))
603 {
604 printf ("ce%d: init adapter error 0x%08x, bus dead bits 0x%08lx\n",
605 unit, b->ddk.InitErrors, b->ddk.DeadBits);
606 bus_release_resource (dev, SYS_RES_MEMORY, PCIR_BAR(0), bd->ce_res);
607 ce_bus_dma_mem_free (&bd->dmamem);
608 free (b, M_DEVBUF);
609 return (ENXIO);
610 }
611
612 s = splimp ();
613
614 ce_init_board (b);
615
616 rid = 0;
617 bd->ce_irq = bus_alloc_resource (dev, SYS_RES_IRQ, &rid, 0, ~0, 1,
618 RF_SHAREABLE | RF_ACTIVE);
619 if (! bd->ce_irq) {
620 printf ("ce%d: cannot map interrupt\n", unit);
621 bus_release_resource (dev, SYS_RES_MEMORY, PCIR_BAR(0), bd->ce_res);
622 ce_bus_dma_mem_free (&bd->dmamem);
623 free (b, M_DEVBUF);
624 splx (s);
625 return (ENXIO);
626 }
627#if __FreeBSD_version >= 500000
628 callout_init (&led_timo[unit], CALLOUT_MPSAFE);
629#else
630 callout_init (&led_timo[unit]);
631#endif
632 error = bus_setup_intr (dev, bd->ce_irq,
633#if __FreeBSD_version >= 500013
634 INTR_TYPE_NET|INTR_MPSAFE,
635#else
636 INTR_TYPE_NET,
637#endif
638 NULL, ce_intr, bd, &bd->ce_intrhand);
639 if (error) {
640 printf ("ce%d: cannot set up irq\n", unit);
641 bus_release_resource (dev, SYS_RES_IRQ, 0, bd->ce_irq);
642 bus_release_resource (dev, SYS_RES_MEMORY,
643 PCIR_BAR(0), bd->ce_res);
644 ce_bus_dma_mem_free (&bd->dmamem);
645 free (b, M_DEVBUF);
646 splx (s);
647 return (ENXIO);
648 }
649
650 switch (b->ddk.Model) {
651 case 1: strcpy (b->name, TAU32_BASE_NAME); break;
652 case 2: strcpy (b->name, TAU32_LITE_NAME); break;
653 case 3: strcpy (b->name, TAU32_ADPCM_NAME); break;
654 default: strcpy (b->name, TAU32_UNKNOWN_NAME); break;
655 }
656
657 printf ("ce%d: %s\n", unit, b->name);
658
659 for (c = b->chan; c < b->chan + NCHAN; ++c) {
660 c->num = (c - b->chan);
661 c->board = b;
662
663 d = &bd->channel[c->num];
664 d->dmamem.size = sizeof(ce_buf_t);
665 if (! ce_bus_dma_mem_alloc (unit, c->num, &d->dmamem))
666 continue;
667
668 channel [b->num * NCHAN + c->num] = d;
669 sprintf (d->name, "ce%d.%d", b->num, c->num);
670 d->board = b;
671 d->chan = c;
672 c->sys = d;
673 }
674
675 for (c = b->chan; c < b->chan + NCHAN; ++c) {
676 if (c->sys == NULL)
677 continue;
678 d = c->sys;
679
680 callout_init (&d->timeout_handle, CALLOUT_MPSAFE);
681#ifdef NETGRAPH
682 if (ng_make_node_common (&typestruct, &d->node) != 0) {
683 printf ("%s: cannot make common node\n", d->name);
684 d->node = NULL;
685 continue;
686 }
687#if __FreeBSD_version >= 500000
688 NG_NODE_SET_PRIVATE (d->node, d);
689#else
690 d->node->private = d;
691#endif
692 sprintf (d->nodename, "%s%d", NG_CE_NODE_TYPE,
693 c->board->num * NCHAN + c->num);
694 if (ng_name_node (d->node, d->nodename)) {
695 printf ("%s: cannot name node\n", d->nodename);
696#if __FreeBSD_version >= 500000
697 NG_NODE_UNREF (d->node);
698#else
699 ng_rmnode (d->node);
700 ng_unref (d->node);
701#endif
702 continue;
703 }
704 d->queue.ifq_maxlen = ifqmaxlen;
705 d->hi_queue.ifq_maxlen = ifqmaxlen;
706 d->rqueue.ifq_maxlen = ifqmaxlen;
707#if __FreeBSD_version >= 500000
708 mtx_init (&d->queue.ifq_mtx, "ce_queue", NULL, MTX_DEF);
709 mtx_init (&d->hi_queue.ifq_mtx, "ce_queue_hi", NULL, MTX_DEF);
710 mtx_init (&d->rqueue.ifq_mtx, "ce_rqueue", NULL, MTX_DEF);
711#endif
712#else /*NETGRAPH*/
713#if __FreeBSD_version >= 600031
714 d->ifp = if_alloc(IFT_PPP);
715#else
716 d->ifp = malloc (sizeof(struct sppp), M_DEVBUF, M_WAITOK);
717 bzero (d->ifp, sizeof(struct sppp));
718#endif
719 if (!d->ifp) {
720 printf ("%s: cannot if_alloc() interface\n", d->name);
721 continue;
722 }
723 d->ifp->if_softc = d;
724#if __FreeBSD_version > 501000
725 if_initname (d->ifp, "ce", b->num * NCHAN + c->num);
726#else
727 d->ifp->if_unit = b->num * NCHAN + c->num;
728 d->ifp->if_name = "ce";
729#endif
730 d->ifp->if_mtu = PP_MTU;
731 d->ifp->if_flags = IFF_POINTOPOINT | IFF_MULTICAST;
732 d->ifp->if_ioctl = ce_sioctl;
733 d->ifp->if_start = ce_ifstart;
734 d->ifp->if_init = ce_initialize;
735 d->rqueue.ifq_maxlen = ifqmaxlen;
736#if __FreeBSD_version >= 500000
737 mtx_init (&d->rqueue.ifq_mtx, "ce_rqueue", NULL, MTX_DEF);
738#endif
739 sppp_attach (d->ifp);
740 if_attach (d->ifp);
741 IFP2SP(d->ifp)->pp_tlf = ce_tlf;
742 IFP2SP(d->ifp)->pp_tls = ce_tls;
743 /* If BPF is in the kernel, call the attach for it.
744 * The header size of PPP or Cisco/HDLC is 4 bytes. */
745 bpfattach (d->ifp, DLT_PPP, 4);
746#endif /*NETGRAPH*/
747 ce_start_chan (c, 1, 1, d->dmamem.virt, d->dmamem.phys);
748
749 /* Register callback functions. */
750 ce_register_transmit (c, &ce_transmit);
751 ce_register_receive (c, &ce_receive);
752 ce_register_error (c, &ce_error);
753 d->devt = make_dev (&ce_cdevsw, b->num*NCHAN+c->num, UID_ROOT,
754 GID_WHEEL, 0600, "ce%d", b->num*NCHAN+c->num);
755 }
756
757#if __FreeBSD_version >= 504000
758 ce_ln[2] = '0' + unit;
759 mtx_init (&bd->ce_mtx, ce_ln, MTX_NETWORK_LOCK, MTX_DEF|MTX_RECURSE);
760#endif
761 CE_LOCK (bd);
762 TAU32_EnableInterrupts(b->ddk.pControllerObject);
763 adapter[unit] = b;
764 CE_UNLOCK (bd);
765 splx (s);
766
767 return 0;
768}
769
770static int ce_detach (device_t dev)
771{
772 bdrv_t *bd = device_get_softc (dev);
773 ce_board_t *b = bd->board;
774 ce_chan_t *c;
775 int s;
776
777#if __FreeBSD_version >= 504000
778 KASSERT (mtx_initialized (&bd->ce_mtx), ("ce mutex not initialized"));
779#endif
780 s = splimp ();
781 CE_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 /* XXX Non existen chan! */
787 if (! d || ! d->chan)
788 continue;
789 if (d->running) {
790 CE_UNLOCK (bd);
791 splx (s);
792 return EBUSY;
793 }
794 }
795
796 /* Ok, we can unload driver */
797 /* At first we should disable interrupts */
798 ce_destroy = 1;
799 TAU32_DisableInterrupts(b->ddk.pControllerObject);
800
801 callout_stop (&led_timo[b->num]);
802
803 for (c = b->chan; c < b->chan + NCHAN; ++c) {
804 drv_t *d = (drv_t*) c->sys;
805
806 if (! d || ! d->chan)
807 continue;
808 callout_stop (&d->timeout_handle);
809#ifndef NETGRAPH
810 /* Detach from the packet filter list of interfaces. */
811 bpfdetach (d->ifp);
812
813 /* Detach from the sync PPP list. */
814 sppp_detach (d->ifp);
815
816 /* Detach from the system list of interfaces. */
817 if_detach (d->ifp);
818#if __FreeBSD_version > 600031
819 if_free(d->ifp);
820#else
821 free (d->ifp, M_DEVBUF);
822#endif
823
824 IF_DRAIN (&d->rqueue);
825#if __FreeBSD_version >= 500000
826 mtx_destroy (&d->rqueue.ifq_mtx);
827#endif
828#else
829#if __FreeBSD_version >= 500000
830 if (d->node) {
831 ng_rmnode_self (d->node);
832 NG_NODE_UNREF (d->node);
833 d->node = NULL;
834 }
835 IF_DRAIN (&d->rqueue);
836 mtx_destroy (&d->queue.ifq_mtx);
837 mtx_destroy (&d->hi_queue.ifq_mtx);
838 mtx_destroy (&d->rqueue.ifq_mtx);
839#else
840 ng_rmnode (d->node);
841 d->node = 0;
842#endif
843#endif
844 destroy_dev (d->devt);
845 }
846
847 CE_UNLOCK (bd);
848 splx (s);
849
850 callout_drain (&led_timo[b->num]);
851
852 /* Disable the interrupt request. */
853 bus_teardown_intr (dev, bd->ce_irq, bd->ce_intrhand);
854 bus_release_resource (dev, SYS_RES_IRQ, 0, bd->ce_irq);
855 TAU32_DestructiveHalt (b->ddk.pControllerObject, 0);
856 bus_release_resource (dev, SYS_RES_MEMORY, PCIR_BAR(0), bd->ce_res);
857
858 for (c = b->chan; c < b->chan + NCHAN; ++c) {
859 drv_t *d = (drv_t*) c->sys;
860
861 if (! d || ! d->chan)
862 continue;
863 callout_drain (&d->timeout_handle);
864 channel [b->num * NCHAN + c->num] = 0;
865 /* Deallocate buffers. */
866 ce_bus_dma_mem_free (&d->dmamem);
867 }
868 adapter [b->num] = 0;
869 ce_bus_dma_mem_free (&bd->dmamem);
870 free (b, M_DEVBUF);
871#if __FreeBSD_version >= 504000
872 mtx_destroy (&bd->ce_mtx);
873#endif
874 return 0;
875}
876
877#ifndef NETGRAPH
878static void ce_ifstart (struct ifnet *ifp)
879{
880 drv_t *d = ifp->if_softc;
881 bdrv_t *bd = d->board->sys;
882
883 CE_LOCK (bd);
884 ce_start (d);
885 CE_UNLOCK (bd);
886}
887
888static void ce_tlf (struct sppp *sp)
889{
890 drv_t *d = SP2IFP(sp)->if_softc;
891
892 CE_DEBUG2 (d, ("ce_tlf\n"));
893 sp->pp_down (sp);
894}
895
896static void ce_tls (struct sppp *sp)
897{
898 drv_t *d = SP2IFP(sp)->if_softc;
899
900 CE_DEBUG2 (d, ("ce_tls\n"));
901 sp->pp_up (sp);
902}
903
904/*
905 * Process an ioctl request.
906 */
907static int ce_sioctl (struct ifnet *ifp, u_long cmd, caddr_t data)
908{
909 drv_t *d = ifp->if_softc;
910 bdrv_t *bd = d->board->sys;
911 int error, s, was_up, should_be_up;
912
913#if __FreeBSD_version >= 600034
914 was_up = (ifp->if_drv_flags & IFF_DRV_RUNNING) != 0;
915#else
916 was_up = (ifp->if_flags & IFF_RUNNING) != 0;
917#endif
918 error = sppp_ioctl (ifp, cmd, data);
919
920 if (error)
921 return error;
922
923 if (! (ifp->if_flags & IFF_DEBUG))
924 d->chan->debug = 0;
925 else
926 d->chan->debug = d->chan->debug_shadow;
927
928 switch (cmd) {
929 default: CE_DEBUG2 (d, ("ioctl 0x%lx\n", cmd)); return 0;
930 case SIOCADDMULTI: CE_DEBUG2 (d, ("ioctl SIOCADDMULTI\n")); return 0;
931 case SIOCDELMULTI: CE_DEBUG2 (d, ("ioctl SIOCDELMULTI\n")); return 0;
932 case SIOCSIFFLAGS: CE_DEBUG2 (d, ("ioctl SIOCSIFFLAGS\n")); break;
933 case SIOCSIFADDR: CE_DEBUG2 (d, ("ioctl SIOCSIFADDR\n")); break;
934 }
935
936 /* We get here only in case of SIFFLAGS or SIFADDR. */
937 s = splimp ();
938 CE_LOCK (bd);
939#if __FreeBSD_version >= 600034
940 should_be_up = (ifp->if_drv_flags & IFF_DRV_RUNNING) != 0;
941#else
942 should_be_up = (ifp->if_flags & IFF_RUNNING) != 0;
943#endif
944 if (! was_up && should_be_up) {
945 /* Interface goes up -- start it. */
946 ce_up (d);
947 ce_start (d);
948 } else if (was_up && ! should_be_up) {
949 /* Interface is going down -- stop it. */
950/* if ((IFP2SP(ifp)->pp_flags & PP_FR) || (ifp->if_flags & PP_CISCO))*/
951 ce_down (d);
952 }
953 CE_DEBUG (d, ("ioctl 0x%lx p4\n", cmd));
954 CE_UNLOCK (bd);
955 splx (s);
956 return 0;
957}
958
959/*
960 * Initialization of interface.
961 * It seems to be never called by upper level?
962 */
963static void ce_initialize (void *softc)
964{
965 drv_t *d = softc;
966
967 CE_DEBUG (d, ("ce_initialize\n"));
968}
969#endif /*NETGRAPH*/
970
971/*
972 * Stop the interface. Called on splimp().
973 */
974static void ce_down (drv_t *d)
975{
976 CE_DEBUG (d, ("ce_down\n"));
977 /* Interface is going down -- stop it. */
978 ce_set_dtr (d->chan, 0);
979 ce_set_rts (d->chan, 0);
980
981 d->running = 0;
982 callout_stop (&d->timeout_handle);
983}
984
985/*
986 * Start the interface. Called on splimp().
987 */
988static void ce_up (drv_t *d)
989{
990 CE_DEBUG (d, ("ce_up\n"));
991 ce_set_dtr (d->chan, 1);
992 ce_set_rts (d->chan, 1);
993
994 d->running = 1;
995}
996
997/*
998 * Start output on the interface. Get another datagram to send
999 * off of the interface queue, and copy it to the interface
1000 * before starting the output.
1001 */
1002static void ce_send (drv_t *d)
1003{
1004 struct mbuf *m;
1005 u_short len;
1006
1007 CE_DEBUG2 (d, ("ce_send\n"));
1008
1009 /* No output if the interface is down. */
1010 if (! d->running)
1011 return;
1012
1013 while (ce_transmit_space (d->chan)) {
1014 /* Get the packet to send. */
1015#ifdef NETGRAPH
1016 IF_DEQUEUE (&d->hi_queue, m);
1017 if (! m)
1018 IF_DEQUEUE (&d->queue, m);
1019#else
1020 m = sppp_dequeue (d->ifp);
1021#endif
1022 if (! m)
1023 return;
1024#ifndef NETGRAPH
1025#if __FreeBSD_version >= 500000
1026 BPF_MTAP (d->ifp, m);
1027#else
1028 if (d->ifp->if_bpf)
1029 bpf_mtap (d->ifp, m);
1030#endif
1031#endif
1032#if __FreeBSD_version >= 490000
1033 len = m_length (m, NULL);
1034#else
1035 len = m->m_pkthdr.len;
1036#endif
1037 if (len >= BUFSZ)
1038 printf ("%s: too long packet: %d bytes: ",
1039 d->name, len);
1040 else if (! m->m_next)
1041 ce_send_packet (d->chan, (u_char*) mtod (m, caddr_t), len, 0);
1042 else {
1043 ce_buf_item_t *item = (ce_buf_item_t*)d->chan->tx_queue;
1044 m_copydata (m, 0, len, item->buf);
1045 ce_send_packet (d->chan, item->buf, len, 0);
1046 }
1047 m_freem (m);
1048 /* Set up transmit timeout, if the transmit ring is not empty.*/
1049 d->timeout = 10;
1050 }
1051#ifndef NETGRAPH
1052#if __FreeBSD_version >= 600034
1053 d->ifp->if_flags |= IFF_DRV_OACTIVE;
1054#else
1055 d->ifp->if_flags |= IFF_OACTIVE;
1056#endif
1057#endif
1058}
1059
1060/*
1061 * Start output on the interface.
1062 * Always called on splimp().
1063 */
1064static void ce_start (drv_t *d)
1065{
1066 if (d->running) {
1067 if (! d->chan->dtr)
1068 ce_set_dtr (d->chan, 1);
1069 if (! d->chan->rts)
1070 ce_set_rts (d->chan, 1);
1071 ce_send (d);
1072 callout_reset (&d->timeout_handle, hz, ce_watchdog_timer, d);
1073 }
1074}
1075
1076/*
1077 * Handle transmit timeouts.
1078 * Recover after lost transmit interrupts.
1079 * Always called on splimp().
1080 */
1081static void ce_watchdog (drv_t *d)
1082{
1083 CE_DEBUG (d, ("device timeout\n"));
1084 if (d->running) {
1085 ce_set_dtr (d->chan, 0);
1086 ce_set_rts (d->chan, 0);
1087/* ce_stop_chan (d->chan);*/
1088/* ce_start_chan (d->chan, 1, 1, 0, 0);*/
1089 ce_set_dtr (d->chan, 1);
1090 ce_set_rts (d->chan, 1);
1091 ce_start (d);
1092 }
1093}
1094
1095static void ce_watchdog_timer (void *arg)
1096{
1097 drv_t *d = arg;
1098 bdrv_t *bd = d->board->sys;
1099
1100 CE_LOCK(bd);
1101 if (d->timeout == 1)
1102 ce_watchdog (d);
1103 if (d->timeout)
1104 d->timeout--;
1105 callout_reset (&d->timeout_handle, hz, ce_watchdog_timer, d);
1106 CE_UNLOCK(bd);
1107}
1108
1109static void ce_transmit (ce_chan_t *c, void *attachment, int len)
1110{
1111 drv_t *d = c->sys;
1112
1113 d->timeout = 0;
1114#ifndef NETGRAPH
1115 ++d->ifp->if_opackets;
1116#if __FreeBSD_version >= 600034
1117 d->ifp->if_flags &= ~IFF_DRV_OACTIVE;
1118#else
1119 d->ifp->if_flags &= ~IFF_OACTIVE;
1120#endif
1121#endif
1122 ce_start (d);
1123}
1124
1125static void ce_receive (ce_chan_t *c, unsigned char *data, int len)
1126{
1127 drv_t *d = c->sys;
1128 struct mbuf *m;
1129
1130 if (! d->running)
1131 return;
1132
1133 m = makembuf (data, len);
1134 if (! m) {
1135 CE_DEBUG (d, ("no memory for packet\n"));
1136#ifndef NETGRAPH
1137 ++d->ifp->if_iqdrops;
1138#endif
1139 return;
1140 }
1141 if (c->debug > 1)
1142 printmbuf (m);
1143#ifdef NETGRAPH
1144 m->m_pkthdr.rcvif = 0;
1145 IF_ENQUEUE(&d->rqueue, m);
1146#else
1147 ++d->ifp->if_ipackets;
1148 m->m_pkthdr.rcvif = d->ifp;
1149 /* Check if there's a BPF listener on this interface.
1150 * If so, hand off the raw packet to bpf. */
1151#if __FreeBSD_version >= 500000
1152 BPF_TAP (d->ifp, data, len);
1153#else
1154 if (d->ifp->if_bpf)
1155 bpf_tap (d->ifp, data, len);
1156#endif
1157 IF_ENQUEUE(&d->rqueue, m);
1158#endif
1159}
1160
1161static void ce_error (ce_chan_t *c, int data)
1162{
1163 drv_t *d = c->sys;
1164
1165 switch (data) {
1166 case CE_FRAME:
1167 CE_DEBUG (d, ("frame error\n"));
1168#ifndef NETGRAPH
1169 ++d->ifp->if_ierrors;
1170#endif
1171 break;
1172 case CE_CRC:
1173 CE_DEBUG (d, ("crc error\n"));
1174#ifndef NETGRAPH
1175 ++d->ifp->if_ierrors;
1176#endif
1177 break;
1178 case CE_OVERRUN:
1179 CE_DEBUG (d, ("overrun error\n"));
1180#ifndef NETGRAPH
1181 ++d->ifp->if_collisions;
1182 ++d->ifp->if_ierrors;
1183#endif
1184 break;
1185 case CE_OVERFLOW:
1186 CE_DEBUG (d, ("overflow error\n"));
1187#ifndef NETGRAPH
1188 ++d->ifp->if_ierrors;
1189#endif
1190 break;
1191 case CE_UNDERRUN:
1192 CE_DEBUG (d, ("underrun error\n"));
1193 d->timeout = 0;
1194#ifndef NETGRAPH
1195 ++d->ifp->if_oerrors;
1196#if __FreeBSD_version >= 600034
1197 d->ifp->if_flags &= ~IFF_DRV_OACTIVE;
1198#else
1199 d->ifp->if_flags &= ~IFF_OACTIVE;
1200#endif
1201#endif
1202 ce_start (d);
1203 break;
1204 default:
1205 CE_DEBUG (d, ("error #%d\n", data));
1206 break;
1207 }
1208}
1209
1210/*
1211 * You also need read, write, open, close routines.
1212 * This should get you started
1213 */
1214#if __FreeBSD_version < 500000
1215static int ce_open (dev_t dev, int oflags, int devtype, struct proc *p)
1216#else
1217static int ce_open (struct cdev *dev, int oflags, int devtype, struct thread *td)
1218#endif
1219{
1220 int unit = dev2unit (dev);
1221 drv_t *d;
1222
1223 if (unit >= NBRD*NCHAN || ! (d = channel[unit]))
1224 return ENXIO;
1225 CE_DEBUG2 (d, ("ce_open\n"));
1226 return 0;
1227}
1228
1229/*
1230 * Only called on the LAST close.
1231 */
1232#if __FreeBSD_version < 500000
1233static int ce_close (dev_t dev, int fflag, int devtype, struct proc *p)
1234#else
1235static int ce_close (struct cdev *dev, int fflag, int devtype, struct thread *td)
1236#endif
1237{
1238 drv_t *d = channel [dev2unit (dev)];
1239
1240 CE_DEBUG2 (d, ("ce_close\n"));
1241 return 0;
1242}
1243
1244static int ce_modem_status (ce_chan_t *c)
1245{
1246 drv_t *d = c->sys;
1247 bdrv_t *bd = d->board->sys;
1248 int status, s;
1249
1250 status = d->running ? TIOCM_LE : 0;
1251 s = splimp ();
1252 CE_LOCK (bd);
1253 if (ce_get_cd (c)) status |= TIOCM_CD;
1254 if (ce_get_cts (c)) status |= TIOCM_CTS;
1255 if (ce_get_dsr (c)) status |= TIOCM_DSR;
1256 if (c->dtr) status |= TIOCM_DTR;
1257 if (c->rts) status |= TIOCM_RTS;
1258 CE_UNLOCK (bd);
1259 splx (s);
1260 return status;
1261}
1262
1263#if __FreeBSD_version < 500000
1264static int ce_ioctl (dev_t dev, u_long cmd, caddr_t data, int flag, struct proc *p)
1265#else
1266static int ce_ioctl (struct cdev *dev, u_long cmd, caddr_t data, int flag, struct thread *td)
1267#endif
1268{
1269 drv_t *d = channel [dev2unit (dev)];
1270 bdrv_t *bd = d->board->sys;
1271 ce_chan_t *c = d->chan;
1272 struct serial_statistics *st;
1273 struct e1_statistics *opte1;
1274 int error, s;
1275 char mask[16];
1276
1277 switch (cmd) {
1278 case SERIAL_GETREGISTERED:
1279 CE_DEBUG2 (d, ("ioctl: getregistered\n"));
1280 bzero (mask, sizeof(mask));
1281 for (s=0; s<NBRD*NCHAN; ++s)
1282 if (channel [s])
1283 mask [s/8] |= 1 << (s & 7);
1284 bcopy (mask, data, sizeof (mask));
1285 return 0;
1286
1287#ifndef NETGRAPH
1288 case SERIAL_GETPROTO:
1289 CE_DEBUG2 (d, ("ioctl: getproto\n"));
1290 strcpy ((char*)data, (IFP2SP(d->ifp)->pp_flags & PP_FR) ? "fr" :
1291 (d->ifp->if_flags & PP_CISCO) ? "cisco" : "ppp");
1292 return 0;
1293
1294 case SERIAL_SETPROTO:
1295 CE_DEBUG2 (d, ("ioctl: setproto\n"));
1296 /* Only for superuser! */
1297#if __FreeBSD_version < 500000
1298 error = suser (p);
1299#elif __FreeBSD_version < 700000
1300 error = suser (td);
1301#else
1302 error = priv_check (td, PRIV_DRIVER);
1303#endif
1304 if (error)
1305 return error;
1306#if __FreeBSD_version >= 600034
1307 if (d->ifp->if_flags & IFF_DRV_RUNNING)
1308#else
1309 if (d->ifp->if_flags & IFF_RUNNING)
1310#endif
1311 return EBUSY;
1312 if (! strcmp ("cisco", (char*)data)) {
1313 IFP2SP(d->ifp)->pp_flags &= ~(PP_FR);
1314 IFP2SP(d->ifp)->pp_flags |= PP_KEEPALIVE;
1315 d->ifp->if_flags |= PP_CISCO;
1316#if PP_FR != 0
1317 } else if (! strcmp ("fr", (char*)data)) {
1318 d->ifp->if_flags &= ~(PP_CISCO);
1319 IFP2SP(d->ifp)->pp_flags |= PP_FR | PP_KEEPALIVE;
1320#endif
1321 } else if (! strcmp ("ppp", (char*)data)) {
1322 IFP2SP(d->ifp)->pp_flags &= ~PP_FR;
1323 IFP2SP(d->ifp)->pp_flags &= ~PP_KEEPALIVE;
1324 d->ifp->if_flags &= ~(PP_CISCO);
1325 } else
1326 return EINVAL;
1327 return 0;
1328
1329 case SERIAL_GETKEEPALIVE:
1330 CE_DEBUG2 (d, ("ioctl: getkeepalive\n"));
1331 if ((IFP2SP(d->ifp)->pp_flags & PP_FR) ||
1332 (d->ifp->if_flags & PP_CISCO))
1333 return EINVAL;
1334 *(int*)data = (IFP2SP(d->ifp)->pp_flags & PP_KEEPALIVE) ? 1 : 0;
1335 return 0;
1336
1337 case SERIAL_SETKEEPALIVE:
1338 CE_DEBUG2 (d, ("ioctl: setkeepalive\n"));
1339 /* Only for superuser! */
1340#if __FreeBSD_version < 500000
1341 error = suser (p);
1342#elif __FreeBSD_version < 700000
1343 error = suser (td);
1344#else
1345 error = priv_check (td, PRIV_DRIVER);
1346#endif
1347 if (error)
1348 return error;
1349 if ((IFP2SP(d->ifp)->pp_flags & PP_FR) ||
1350 (d->ifp->if_flags & PP_CISCO))
1351 return EINVAL;
1352 s = splimp ();
1353 CE_LOCK (bd);
1354 if (*(int*)data)
1355 IFP2SP(d->ifp)->pp_flags |= PP_KEEPALIVE;
1356 else
1357 IFP2SP(d->ifp)->pp_flags &= ~PP_KEEPALIVE;
1358 CE_UNLOCK (bd);
1359 splx (s);
1360 return 0;
1361#endif /*NETGRAPH*/
1362
1363 case SERIAL_GETMODE:
1364 CE_DEBUG2 (d, ("ioctl: getmode\n"));
1365 *(int*)data = SERIAL_HDLC;
1366 return 0;
1367
1368 case SERIAL_SETMODE:
1369 /* Only for superuser! */
1370#if __FreeBSD_version < 500000
1371 error = suser (p);
1372#elif __FreeBSD_version < 700000
1373 error = suser (td);
1374#else
1375 error = priv_check (td, PRIV_DRIVER);
1376#endif
1377 if (error)
1378 return error;
1379 if (*(int*)data != SERIAL_HDLC)
1380 return EINVAL;
1381 return 0;
1382
1383 case SERIAL_GETCFG:
1384 CE_DEBUG2 (d, ("ioctl: getcfg\n"));
1385 *(char*)data = 'c';
1386 return 0;
1387
1388 case SERIAL_SETCFG:
1389 CE_DEBUG2 (d, ("ioctl: setcfg\n"));
1390#if __FreeBSD_version < 500000
1391 error = suser (p);
1392#elif __FreeBSD_version < 700000
1393 error = suser (td);
1394#else
1395 error = priv_check (td, PRIV_DRIVER);
1396#endif
1397 if (error)
1398 return error;
1399 if (*((char*)data) != 'c')
1400 return EINVAL;
1401 return 0;
1402
1403 case SERIAL_GETSTAT:
1404 CE_DEBUG2 (d, ("ioctl: getstat\n"));
1405 st = (struct serial_statistics*) data;
1406 st->rintr = c->rintr;
1407 st->tintr = c->tintr;
1408 st->mintr = 0;
1409 st->ibytes = c->ibytes;
1410 st->ipkts = c->ipkts;
1411 st->obytes = c->obytes;
1412 st->opkts = c->opkts;
1413 st->ierrs = c->overrun + c->frame + c->crc;
1414 st->oerrs = c->underrun;
1415 return 0;
1416
1417 case SERIAL_GETESTAT:
1418 CE_DEBUG2 (d, ("ioctl: getestat\n"));
1419 if (c->type != T_E1)
1420 return EINVAL;
1421 opte1 = (struct e1_statistics*) data;
1422
1423 opte1->status = 0;
1424 if (c->status & ESTS_NOALARM)
1425 opte1->status |= E1_NOALARM;
1426 if (c->status & ESTS_LOS)
1427 opte1->status |= E1_LOS;
1428 if (c->status & ESTS_LOF)
1429 opte1->status |= E1_LOF;
1430 if (c->status & ESTS_AIS)
1431 opte1->status |= E1_AIS;
1432 if (c->status & ESTS_LOMF)
1433 opte1->status |= E1_LOMF;
1434 if (c->status & ESTS_AIS16)
1435 opte1->status |= E1_AIS16;
1436 if (c->status & ESTS_FARLOF)
1437 opte1->status |= E1_FARLOF;
1438 if (c->status & ESTS_FARLOMF)
1439 opte1->status |= E1_FARLOMF;
1440 if (c->status & ESTS_TSTREQ)
1441 opte1->status |= E1_TSTREQ;
1442 if (c->status & ESTS_TSTERR)
1443 opte1->status |= E1_TSTERR;
1444
1445 opte1->cursec = c->cursec;
1446 opte1->totsec = c->totsec + c->cursec;
1447
1448 opte1->currnt.bpv = c->currnt.bpv;
1449 opte1->currnt.fse = c->currnt.fse;
1450 opte1->currnt.crce = c->currnt.crce;
1451 opte1->currnt.rcrce = c->currnt.rcrce;
1452 opte1->currnt.uas = c->currnt.uas;
1453 opte1->currnt.les = c->currnt.les;
1454 opte1->currnt.es = c->currnt.es;
1455 opte1->currnt.bes = c->currnt.bes;
1456 opte1->currnt.ses = c->currnt.ses;
1457 opte1->currnt.oofs = c->currnt.oofs;
1458 opte1->currnt.css = c->currnt.css;
1459 opte1->currnt.dm = c->currnt.dm;
1460
1461 opte1->total.bpv = c->total.bpv + c->currnt.bpv;
1462 opte1->total.fse = c->total.fse + c->currnt.fse;
1463 opte1->total.crce = c->total.crce + c->currnt.crce;
1464 opte1->total.rcrce = c->total.rcrce + c->currnt.rcrce;
1465 opte1->total.uas = c->total.uas + c->currnt.uas;
1466 opte1->total.les = c->total.les + c->currnt.les;
1467 opte1->total.es = c->total.es + c->currnt.es;
1468 opte1->total.bes = c->total.bes + c->currnt.bes;
1469 opte1->total.ses = c->total.ses + c->currnt.ses;
1470 opte1->total.oofs = c->total.oofs + c->currnt.oofs;
1471 opte1->total.css = c->total.css + c->currnt.css;
1472 opte1->total.dm = c->total.dm + c->currnt.dm;
1473 for (s=0; s<48; ++s) {
1474 opte1->interval[s].bpv = c->interval[s].bpv;
1475 opte1->interval[s].fse = c->interval[s].fse;
1476 opte1->interval[s].crce = c->interval[s].crce;
1477 opte1->interval[s].rcrce = c->interval[s].rcrce;
1478 opte1->interval[s].uas = c->interval[s].uas;
1479 opte1->interval[s].les = c->interval[s].les;
1480 opte1->interval[s].es = c->interval[s].es;
1481 opte1->interval[s].bes = c->interval[s].bes;
1482 opte1->interval[s].ses = c->interval[s].ses;
1483 opte1->interval[s].oofs = c->interval[s].oofs;
1484 opte1->interval[s].css = c->interval[s].css;
1485 opte1->interval[s].dm = c->interval[s].dm;
1486 }
1487 return 0;
1488
1489 case SERIAL_CLRSTAT:
1490 CE_DEBUG2 (d, ("ioctl: clrstat\n"));
1491 /* Only for superuser! */
1492#if __FreeBSD_version < 500000
1493 error = suser (p);
1494#elif __FreeBSD_version < 700000
1495 error = suser (td);
1496#else
1497 error = priv_check (td, PRIV_DRIVER);
1498#endif
1499 if (error)
1500 return error;
1501 c->rintr = 0;
1502 c->tintr = 0;
1503 c->ibytes = 0;
1504 c->obytes = 0;
1505 c->ipkts = 0;
1506 c->opkts = 0;
1507 c->overrun = 0;
1508 c->frame = 0;
1509 c->crc = 0;
1510 c->underrun = 0;
1511 bzero (&c->currnt, sizeof (c->currnt));
1512 bzero (&c->total, sizeof (c->total));
1513 bzero (c->interval, sizeof (c->interval));
1514 return 0;
1515
1516 case SERIAL_GETLOOP:
1517 CE_DEBUG2 (d, ("ioctl: getloop\n"));
1518 if (c->type != T_E1)
1519 return EINVAL;
1520 *(int*)data = c->lloop;
1521 return 0;
1522
1523 case SERIAL_SETLOOP:
1524 CE_DEBUG2 (d, ("ioctl: setloop\n"));
1525 if (c->type != T_E1)
1526 return EINVAL;
1527 /* Only for superuser! */
1528#if __FreeBSD_version < 500000
1529 error = suser (p);
1530#elif __FreeBSD_version < 700000
1531 error = suser (td);
1532#else
1533 error = priv_check (td, PRIV_DRIVER);
1534#endif
1535 if (error)
1536 return error;
1537 s = splimp ();
1538 CE_LOCK (bd);
1539 ce_set_lloop (c, *(int*)data);
1540 CE_UNLOCK (bd);
1541 splx (s);
1542 return 0;
1543
1544 case SERIAL_GETRLOOP:
1545 CE_DEBUG2 (d, ("ioctl: getrloop\n"));
1546 if (c->type != T_E1)
1547 return EINVAL;
1548 *(int*)data = c->rloop;
1549 return 0;
1550
1551 case SERIAL_SETRLOOP:
1552 CE_DEBUG2 (d, ("ioctl: setloop\n"));
1553 if (c->type != T_E1)
1554 return EINVAL;
1555 /* Only for superuser! */
1556#if __FreeBSD_version < 500000
1557 error = suser (p);
1558#elif __FreeBSD_version < 700000
1559 error = suser (td);
1560#else
1561 error = priv_check (td, PRIV_DRIVER);
1562#endif
1563 if (error)
1564 return error;
1565 s = splimp ();
1566 CE_LOCK (bd);
1567 ce_set_rloop (c, *(int*)data);
1568 CE_UNLOCK (bd);
1569 splx (s);
1570 return 0;
1571
1572 case SERIAL_GETDEBUG:
1573 CE_DEBUG2 (d, ("ioctl: getdebug\n"));
1574 *(int*)data = d->chan->debug;
1575 return 0;
1576
1577 case SERIAL_SETDEBUG:
1578 CE_DEBUG2 (d, ("ioctl: setdebug\n"));
1579 /* Only for superuser! */
1580#if __FreeBSD_version < 500000
1581 error = suser (p);
1582#elif __FreeBSD_version < 700000
1583 error = suser (td);
1584#else
1585 error = priv_check (td, PRIV_DRIVER);
1586#endif
1587 if (error)
1588 return error;
1589#ifndef NETGRAPH
1590 /*
1591 * The debug_shadow is always greater than zero for logic
1592 * simplicity. For switching debug off the IFF_DEBUG is
1593 * responsible.
1594 */
1595 d->chan->debug_shadow = (*(int*)data) ? (*(int*)data) : 1;
1596 if (d->ifp->if_flags & IFF_DEBUG)
1597 d->chan->debug = d->chan->debug_shadow;
1598#else
1599 d->chan->debug = *(int*)data;
1600#endif
1601 return 0;
1602
1603 case SERIAL_GETBAUD:
1604 CE_DEBUG2 (d, ("ioctl: getbaud\n"));
1605 *(long*)data = c->baud;
1606 return 0;
1607
1608 case SERIAL_SETBAUD:
1609 CE_DEBUG2 (d, ("ioctl: setbaud\n"));
1610 if (c->type != T_E1 || !c->unfram)
1611 return EINVAL;
1612 /* Only for superuser! */
1613#if __FreeBSD_version < 500000
1614 error = suser (p);
1615#elif __FreeBSD_version < 700000
1616 error = suser (td);
1617#else
1618 error = priv_check (td, PRIV_DRIVER);
1619#endif
1620 if (error)
1621 return error;
1622 s = splimp ();
1623 CE_LOCK (bd);
1624 ce_set_baud (c, *(long*)data);
1625 CE_UNLOCK (bd);
1626 splx (s);
1627 return 0;
1628
1629 case SERIAL_GETTIMESLOTS:
1630 CE_DEBUG2 (d, ("ioctl: gettimeslots\n"));
1631 if ((c->type != T_E1 || c->unfram) && c->type != T_DATA)
1632 return EINVAL;
1633 *(u_long*)data = c->ts;
1634 return 0;
1635
1636 case SERIAL_SETTIMESLOTS:
1637 CE_DEBUG2 (d, ("ioctl: settimeslots\n"));
1638 /* Only for superuser! */
1639#if __FreeBSD_version < 500000
1640 error = suser (p);
1641#elif __FreeBSD_version < 700000
1642 error = suser (td);
1643#else
1644 error = priv_check (td, PRIV_DRIVER);
1645#endif
1646 if (error)
1647 return error;
1648 if ((c->type != T_E1 || c->unfram) && c->type != T_DATA)
1649 return EINVAL;
1650 s = splimp ();
1651 CE_LOCK (bd);
1652 ce_set_ts (c, *(u_long*)data);
1653 CE_UNLOCK (bd);
1654 splx (s);
1655 return 0;
1656
1657 case SERIAL_GETHIGAIN:
1658 CE_DEBUG2 (d, ("ioctl: gethigain\n"));
1659 if (c->type != T_E1)
1660 return EINVAL;
1661 *(int*)data = c->higain;
1662 return 0;
1663
1664 case SERIAL_SETHIGAIN:
1665 CE_DEBUG2 (d, ("ioctl: sethigain\n"));
1666 if (c->type != T_E1)
1667 return EINVAL;
1668 /* Only for superuser! */
1669#if __FreeBSD_version < 500000
1670 error = suser (p);
1671#elif __FreeBSD_version < 700000
1672 error = suser (td);
1673#else
1674 error = priv_check (td, PRIV_DRIVER);
1675#endif
1676 if (error)
1677 return error;
1678 s = splimp ();
1679 CE_LOCK (bd);
1680 ce_set_higain (c, *(int*)data);
1681 CE_UNLOCK (bd);
1682 splx (s);
1683 return 0;
1684
1685 case SERIAL_GETPHONY:
1686 CE_DEBUG2 (d, ("ioctl: getphony\n"));
1687 *(int*)data = c->phony;
1688 return 0;
1689
1690 case SERIAL_SETPHONY:
1691 CE_DEBUG2 (d, ("ioctl: setphony\n"));
1692 /* Only for superuser! */
1693#if __FreeBSD_version < 500000
1694 error = suser (p);
1695#elif __FreeBSD_version < 700000
1696 error = suser (td);
1697#else
1698 error = priv_check (td, PRIV_DRIVER);
1699#endif
1700 if (error)
1701 return error;
1702 s = splimp ();
1703 CE_LOCK (bd);
1704 ce_set_phony (c, *(int*)data);
1705 CE_UNLOCK (bd);
1706 splx (s);
1707 return 0;
1708
1709 case SERIAL_GETUNFRAM:
1710 CE_DEBUG2 (d, ("ioctl: getunfram\n"));
1711 if (c->type != T_E1 || c->num != 0)
1712 return EINVAL;
1713 *(int*)data = c->unfram;
1714 return 0;
1715
1716 case SERIAL_SETUNFRAM:
1717 CE_DEBUG2 (d, ("ioctl: setunfram\n"));
1718 if (c->type != T_E1 || c->num != 0)
1719 return EINVAL;
1720 /* Only for superuser! */
1721#if __FreeBSD_version < 500000
1722 error = suser (p);
1723#elif __FreeBSD_version < 700000
1724 error = suser (td);
1725#else
1726 error = priv_check (td, PRIV_DRIVER);
1727#endif
1728 if (error)
1729 return error;
1730 s = splimp ();
1731 CE_LOCK (bd);
1732 ce_set_unfram (c, *(int*)data);
1733 CE_UNLOCK (bd);
1734 splx (s);
1735 return 0;
1736
1737 case SERIAL_GETSCRAMBLER:
1738 CE_DEBUG2 (d, ("ioctl: getscrambler\n"));
1739 if (!c->unfram)
1740 return EINVAL;
1741 *(int*)data = c->scrambler;
1742 return 0;
1743
1744 case SERIAL_SETSCRAMBLER:
1745 CE_DEBUG2 (d, ("ioctl: setscrambler\n"));
1746 /* Only for superuser! */
1747#if __FreeBSD_version < 500000
1748 error = suser (p);
1749#elif __FreeBSD_version < 700000
1750 error = suser (td);
1751#else
1752 error = priv_check (td, PRIV_DRIVER);
1753#endif
1754 if (error)
1755 return error;
1756 if (!c->unfram)
1757 return EINVAL;
1758 s = splimp ();
1759 CE_LOCK (bd);
1760 ce_set_scrambler (c, *(int*)data);
1761 CE_UNLOCK (bd);
1762 splx (s);
1763 return 0;
1764
1765 case SERIAL_GETMONITOR:
1766 CE_DEBUG2 (d, ("ioctl: getmonitor\n"));
1767 if (c->type != T_E1)
1768 return EINVAL;
1769 *(int*)data = c->monitor;
1770 return 0;
1771
1772 case SERIAL_SETMONITOR:
1773 CE_DEBUG2 (d, ("ioctl: setmonitor\n"));
1774 /* Only for superuser! */
1775#if __FreeBSD_version < 500000
1776 error = suser (p);
1777#elif __FreeBSD_version < 700000
1778 error = suser (td);
1779#else
1780 error = priv_check (td, PRIV_DRIVER);
1781#endif
1782 if (error)
1783 return error;
1784 if (c->type != T_E1)
1785 return EINVAL;
1786 s = splimp ();
1787 CE_LOCK (bd);
1788 ce_set_monitor (c, *(int*)data);
1789 CE_UNLOCK (bd);
1790 splx (s);
1791 return 0;
1792
1793 case SERIAL_GETUSE16:
1794 CE_DEBUG2 (d, ("ioctl: getuse16\n"));
1795 if (c->type != T_E1 || c->unfram)
1796 return EINVAL;
1797 *(int*)data = c->use16;
1798 return 0;
1799
1800 case SERIAL_SETUSE16:
1801 CE_DEBUG2 (d, ("ioctl: setuse16\n"));
1802 /* Only for superuser! */
1803#if __FreeBSD_version < 500000
1804 error = suser (p);
1805#elif __FreeBSD_version < 700000
1806 error = suser (td);
1807#else
1808 error = priv_check (td, PRIV_DRIVER);
1809#endif
1810 if (error)
1811 return error;
1812 if (c->type != T_E1)
1813 return EINVAL;
1814 s = splimp ();
1815 CE_LOCK (bd);
1816 ce_set_use16 (c, *(int*)data);
1817 CE_UNLOCK (bd);
1818 splx (s);
1819 return 0;
1820
1821 case SERIAL_GETCRC4:
1822 CE_DEBUG2 (d, ("ioctl: getcrc4\n"));
1823 if (c->type != T_E1 || c->unfram)
1824 return EINVAL;
1825 *(int*)data = c->crc4;
1826 return 0;
1827
1828 case SERIAL_SETCRC4:
1829 CE_DEBUG2 (d, ("ioctl: setcrc4\n"));
1830 /* Only for superuser! */
1831#if __FreeBSD_version < 500000
1832 error = suser (p);
1833#elif __FreeBSD_version < 700000
1834 error = suser (td);
1835#else
1836 error = priv_check (td, PRIV_DRIVER);
1837#endif
1838 if (error)
1839 return error;
1840 if (c->type != T_E1 || c->unfram)
1841 return EINVAL;
1842 s = splimp ();
1843 CE_LOCK (bd);
1844 ce_set_crc4 (c, *(int*)data);
1845 CE_UNLOCK (bd);
1846 splx (s);
1847 return 0;
1848
1849 case SERIAL_GETCLK:
1850 CE_DEBUG2 (d, ("ioctl: getclk\n"));
1851 if (c->type != T_E1)
1852 return EINVAL;
1853 switch (c->gsyn) {
1854 default: *(int*)data = E1CLK_INTERNAL; break;
1855 case GSYN_RCV: *(int*)data = E1CLK_RECEIVE; break;
1856 case GSYN_RCV0: *(int*)data = E1CLK_RECEIVE_CHAN0; break;
1857 case GSYN_RCV1: *(int*)data = E1CLK_RECEIVE_CHAN1; break;
1858 }
1859 return 0;
1860
1861 case SERIAL_SETCLK:
1862 CE_DEBUG2 (d, ("ioctl: setclk\n"));
1863 /* Only for superuser! */
1864#if __FreeBSD_version < 500000
1865 error = suser (p);
1866#elif __FreeBSD_version < 700000
1867 error = suser (td);
1868#else
1869 error = priv_check (td, PRIV_DRIVER);
1870#endif
1871 if (error)
1872 return error;
1873 if (c->type != T_E1)
1874 return EINVAL;
1875 s = splimp ();
1876 CE_LOCK (bd);
1877 switch (*(int*)data) {
1878 default: ce_set_gsyn (c, GSYN_INT); break;
1879 case E1CLK_RECEIVE: ce_set_gsyn (c, GSYN_RCV); break;
1880 case E1CLK_RECEIVE_CHAN0: ce_set_gsyn (c, GSYN_RCV0); break;
1881 case E1CLK_RECEIVE_CHAN1: ce_set_gsyn (c, GSYN_RCV1); break;
1882 }
1883 CE_UNLOCK (bd);
1884 splx (s);
1885 return 0;
1886
1887#if 0
1888 case SERIAL_RESET:
1889 CE_DEBUG2 (d, ("ioctl: reset\n"));
1890 /* Only for superuser! */
1891#if __FreeBSD_version < 500000
1892 error = suser (p);
1893#elif __FreeBSD_version < 700000
1894 error = suser (td);
1895#else
1896 error = priv_check (td, PRIV_DRIVER);
1897#endif
1898 if (error)
1899 return error;
1900 s = splimp ();
1901 CE_LOCK (bd);
1902/* ce_reset (c->board, 0, 0);*/
1903 CE_UNLOCK (bd);
1904 splx (s);
1905 return 0;
1906
1907 case SERIAL_HARDRESET:
1908 CE_DEBUG2 (d, ("ioctl: hardreset\n"));
1909 /* Only for superuser! */
1910#if __FreeBSD_version < 500000
1911 error = suser (p);
1912#elif __FreeBSD_version < 700000
1913 error = suser (td);
1914#else
1915 error = priv_check (td, PRIV_DRIVER);
1916#endif
1917 if (error)
1918 return error;
1919 s = splimp ();
1920 CE_LOCK (bd);
1921 /* hard_reset (c->board); */
1922 CE_UNLOCK (bd);
1923 splx (s);
1924 return 0;
1925#endif
1926
1927 case SERIAL_GETCABLE:
1928 CE_DEBUG2 (d, ("ioctl: getcable\n"));
1929 if (c->type != T_E1)
1930 return EINVAL;
1931 s = splimp ();
1932 CE_LOCK (bd);
1933 *(int*)data = CABLE_TP;
1934 CE_UNLOCK (bd);
1935 splx (s);
1936 return 0;
1937
1938 case SERIAL_GETDIR:
1939 CE_DEBUG2 (d, ("ioctl: getdir\n"));
1940 if (c->type != T_E1 && c->type != T_DATA)
1941 return EINVAL;
1942 *(int*)data = c->dir;
1943 return 0;
1944
1945 case SERIAL_SETDIR:
1946 CE_DEBUG2 (d, ("ioctl: setdir\n"));
1947 /* Only for superuser! */
1948#if __FreeBSD_version < 500000
1949 error = suser (p);
1950#elif __FreeBSD_version < 700000
1951 error = suser (td);
1952#else
1953 error = priv_check (td, PRIV_DRIVER);
1954#endif
1955 if (error)
1956 return error;
1957 s = splimp ();
1958 CE_LOCK (bd);
1959 ce_set_dir (c, *(int*)data);
1960 CE_UNLOCK (bd);
1961 splx (s);
1962 return 0;
1963
1964 case TIOCSDTR: /* Set DTR */
1965 s = splimp ();
1966 CE_LOCK (bd);
1967 ce_set_dtr (c, 1);
1968 CE_UNLOCK (bd);
1969 splx (s);
1970 return 0;
1971
1972 case TIOCCDTR: /* Clear DTR */
1973 s = splimp ();
1974 CE_LOCK (bd);
1975 ce_set_dtr (c, 0);
1976 CE_UNLOCK (bd);
1977 splx (s);
1978 return 0;
1979
1980 case TIOCMSET: /* Set DTR/RTS */
1981 s = splimp ();
1982 CE_LOCK (bd);
1983 ce_set_dtr (c, (*(int*)data & TIOCM_DTR) ? 1 : 0);
1984 ce_set_rts (c, (*(int*)data & TIOCM_RTS) ? 1 : 0);
1985 CE_UNLOCK (bd);
1986 splx (s);
1987 return 0;
1988
1989 case TIOCMBIS: /* Add DTR/RTS */
1990 s = splimp ();
1991 CE_LOCK (bd);
1992 if (*(int*)data & TIOCM_DTR) ce_set_dtr (c, 1);
1993 if (*(int*)data & TIOCM_RTS) ce_set_rts (c, 1);
1994 CE_UNLOCK (bd);
1995 splx (s);
1996 return 0;
1997
1998 case TIOCMBIC: /* Clear DTR/RTS */
1999 s = splimp ();
2000 CE_LOCK (bd);
2001 if (*(int*)data & TIOCM_DTR) ce_set_dtr (c, 0);
2002 if (*(int*)data & TIOCM_RTS) ce_set_rts (c, 0);
2003 CE_UNLOCK (bd);
2004 splx (s);
2005 return 0;
2006
2007 case TIOCMGET: /* Get modem status */
2008 *(int*)data = ce_modem_status (c);
2009 return 0;
2010 }
2011 return ENOTTY;
2012}
2013
2014#ifdef NETGRAPH
2015#if __FreeBSD_version >= 500000
2016static int ng_ce_constructor (node_p node)
2017{
2018 drv_t *d = NG_NODE_PRIVATE (node);
2019#else
2020static int ng_ce_constructor (node_p *node)
2021{
2022 drv_t *d = (*node)->private;
2023#endif
2024 CE_DEBUG (d, ("Constructor\n"));
2025 return EINVAL;
2026}
2027
2028static int ng_ce_newhook (node_p node, hook_p hook, const char *name)
2029{
2030 int s;
2031#if __FreeBSD_version >= 500000
2032 drv_t *d = NG_NODE_PRIVATE (node);
2033#else
2034 drv_t *d = node->private;
2035#endif
2036 bdrv_t *bd = d->board->sys;
2037
2038 CE_DEBUG (d, ("Newhook\n"));
2039 /* Attach debug hook */
2040 if (strcmp (name, NG_CE_HOOK_DEBUG) == 0) {
2041#if __FreeBSD_version >= 500000
2042 NG_HOOK_SET_PRIVATE (hook, NULL);
2043#else
2044 hook->private = 0;
2045#endif
2046 d->debug_hook = hook;
2047 return 0;
2048 }
2049
2050 /* Check for raw hook */
2051 if (strcmp (name, NG_CE_HOOK_RAW) != 0)
2052 return EINVAL;
2053
2054#if __FreeBSD_version >= 500000
2055 NG_HOOK_SET_PRIVATE (hook, d);
2056#else
2057 hook->private = d;
2058#endif
2059 d->hook = hook;
2060 s = splimp ();
2061 CE_LOCK (bd);
2062 ce_up (d);
2063 CE_UNLOCK (bd);
2064 splx (s);
2065 return 0;
2066}
2067
2068static char *format_timeslots (u_long s)
2069{
2070 static char buf [100];
2071 char *p = buf;
2072 int i;
2073
2074 for (i=1; i<32; ++i)
2075 if ((s >> i) & 1) {
2076 int prev = (i > 1) & (s >> (i-1));
2077 int next = (i < 31) & (s >> (i+1));
2078
2079 if (prev) {
2080 if (next)
2081 continue;
2082 *p++ = '-';
2083 } else if (p > buf)
2084 *p++ = ',';
2085
2086 if (i >= 10)
2087 *p++ = '0' + i / 10;
2088 *p++ = '0' + i % 10;
2089 }
2090 *p = 0;
2091 return buf;
2092}
2093
2094static int print_modems (char *s, ce_chan_t *c, int need_header)
2095{
2096 int status = ce_modem_status (c);
2097 int length = 0;
2098
2099 if (need_header)
2100 length += sprintf (s + length, " LE DTR DSR RTS CTS CD\n");
2101 length += sprintf (s + length, "%4s %4s %4s %4s %4s %4s\n",
2102 status & TIOCM_LE ? "On" : "-",
2103 status & TIOCM_DTR ? "On" : "-",
2104 status & TIOCM_DSR ? "On" : "-",
2105 status & TIOCM_RTS ? "On" : "-",
2106 status & TIOCM_CTS ? "On" : "-",
2107 status & TIOCM_CD ? "On" : "-");
2108 return length;
2109}
2110
2111static int print_stats (char *s, ce_chan_t *c, int need_header)
2112{
2113 int length = 0;
2114
2115 if (need_header)
2116 length += sprintf (s + length, " Rintr Tintr Mintr Ibytes Ipkts Ierrs Obytes Opkts Oerrs\n");
2117 length += sprintf (s + length, "%7ld %7ld %7ld %8lu %7ld %7ld %8lu %7ld %7ld\n",
2118 c->rintr, c->tintr, 0l, (unsigned long) c->ibytes,
2119 c->ipkts, c->overrun + c->frame + c->crc,
2120 (unsigned long) c->obytes, c->opkts, c->underrun);
2121 return length;
2122}
2123
2124static char *format_e1_status (u_char status)
2125{
2126 static char buf [80];
2127
2128 if (status & E1_NOALARM)
2129 return "Ok";
2130 buf[0] = 0;
2131 if (status & E1_LOS) strcat (buf, ",LOS");
2132 if (status & E1_AIS) strcat (buf, ",AIS");
2133 if (status & E1_LOF) strcat (buf, ",LOF");
2134 if (status & E1_LOMF) strcat (buf, ",LOMF");
2135 if (status & E1_FARLOF) strcat (buf, ",FARLOF");
2136 if (status & E1_AIS16) strcat (buf, ",AIS16");
2137 if (status & E1_FARLOMF) strcat (buf, ",FARLOMF");
2138 if (status & E1_TSTREQ) strcat (buf, ",TSTREQ");
2139 if (status & E1_TSTERR) strcat (buf, ",TSTERR");
2140 if (buf[0] == ',')
2141 return buf+1;
2142 return "Unknown";
2143}
2144
2145static int print_frac (char *s, int leftalign, u_long numerator, u_long divider)
2146{
2147 int n, length = 0;
2148
2149 if (numerator < 1 || divider < 1) {
2150 length += sprintf (s+length, leftalign ? "/- " : " -");
2151 return length;
2152 }
2153 n = (int) (0.5 + 1000.0 * numerator / divider);
2154 if (n < 1000) {
2155 length += sprintf (s+length, leftalign ? "/.%-3d" : " .%03d", n);
2156 return length;
2157 }
2158 *(s + length) = leftalign ? '/' : ' ';
2159 length ++;
2160
2161 if (n >= 1000000) n = (n+500) / 1000 * 1000;
2162 else if (n >= 100000) n = (n+50) / 100 * 100;
2163 else if (n >= 10000) n = (n+5) / 10 * 10;
2164
2165 switch (n) {
2166 case 1000: length += printf (s+length, ".999"); return length;
2167 case 10000: n = 9990; break;
2168 case 100000: n = 99900; break;
2169 case 1000000: n = 999000; break;
2170 }
2171 if (n < 10000) length += sprintf (s+length, "%d.%d", n/1000, n/10%100);
2172 else if (n < 100000) length += sprintf (s+length, "%d.%d", n/1000, n/100%10);
2173 else if (n < 1000000) length += sprintf (s+length, "%d.", n/1000);
2174 else length += sprintf (s+length, "%d", n/1000);
2175
2176 return length;
2177}
2178
2179static int print_e1_stats (char *s, ce_chan_t *c)
2180{
2181 struct e1_counters total;
2182 u_long totsec;
2183 int length = 0;
2184
2185 totsec = c->totsec + c->cursec;
2186 total.bpv = c->total.bpv + c->currnt.bpv;
2187 total.fse = c->total.fse + c->currnt.fse;
2188 total.crce = c->total.crce + c->currnt.crce;
2189 total.rcrce = c->total.rcrce + c->currnt.rcrce;
2190 total.uas = c->total.uas + c->currnt.uas;
2191 total.les = c->total.les + c->currnt.les;
2192 total.es = c->total.es + c->currnt.es;
2193 total.bes = c->total.bes + c->currnt.bes;
2194 total.ses = c->total.ses + c->currnt.ses;
2195 total.oofs = c->total.oofs + c->currnt.oofs;
2196 total.css = c->total.css + c->currnt.css;
2197 total.dm = c->total.dm + c->currnt.dm;
2198
2199 length += sprintf (s + length, " Unav/Degr Bpv/Fsyn CRC/RCRC Err/Lerr Sev/Bur Oof/Slp Status\n");
2200
2201 /* Unavailable seconds, degraded minutes */
2202 length += print_frac (s + length, 0, c->currnt.uas, c->cursec);
2203 length += print_frac (s + length, 1, 60 * c->currnt.dm, c->cursec);
2204
2205 /* Bipolar violations, frame sync errors */
2206 length += print_frac (s + length, 0, c->currnt.bpv, c->cursec);
2207 length += print_frac (s + length, 1, c->currnt.fse, c->cursec);
2208
2209 /* CRC errors, remote CRC errors (E-bit) */
2210 length += print_frac (s + length, 0, c->currnt.crce, c->cursec);
2211 length += print_frac (s + length, 1, c->currnt.rcrce, c->cursec);
2212
2213 /* Errored seconds, line errored seconds */
2214 length += print_frac (s + length, 0, c->currnt.es, c->cursec);
2215 length += print_frac (s + length, 1, c->currnt.les, c->cursec);
2216
2217 /* Severely errored seconds, burst errored seconds */
2218 length += print_frac (s + length, 0, c->currnt.ses, c->cursec);
2219 length += print_frac (s + length, 1, c->currnt.bes, c->cursec);
2220
2221 /* Out of frame seconds, controlled slip seconds */
2222 length += print_frac (s + length, 0, c->currnt.oofs, c->cursec);
2223 length += print_frac (s + length, 1, c->currnt.css, c->cursec);
2224
2225 length += sprintf (s + length, " %s\n", format_e1_status (c->status));
2226
2227 /* Print total statistics. */
2228 length += print_frac (s + length, 0, total.uas, totsec);
2229 length += print_frac (s + length, 1, 60 * total.dm, totsec);
2230
2231 length += print_frac (s + length, 0, total.bpv, totsec);
2232 length += print_frac (s + length, 1, total.fse, totsec);
2233
2234 length += print_frac (s + length, 0, total.crce, totsec);
2235 length += print_frac (s + length, 1, total.rcrce, totsec);
2236
2237 length += print_frac (s + length, 0, total.es, totsec);
2238 length += print_frac (s + length, 1, total.les, totsec);
2239
2240 length += print_frac (s + length, 0, total.ses, totsec);
2241 length += print_frac (s + length, 1, total.bes, totsec);
2242
2243 length += print_frac (s + length, 0, total.oofs, totsec);
2244 length += print_frac (s + length, 1, total.css, totsec);
2245
2246 length += sprintf (s + length, " -- Total\n");
2247 return length;
2248}
2249
2250static int print_chan (char *s, ce_chan_t *c)
2251{
2252 drv_t *d = c->sys;
2253 int length = 0;
2254
2255 length += sprintf (s + length, "ce%d", c->board->num * NCHAN + c->num);
2256 if (d->chan->debug)
2257 length += sprintf (s + length, " debug=%d", d->chan->debug);
2258
2259 if (c->board->mux) {
2260 length += sprintf (s + length, " cfg=C");
2261 } else {
2262 length += sprintf (s + length, " cfg=A");
2263 }
2264
2265 if (c->baud)
2266 length += sprintf (s + length, " %ld", c->baud);
2267 else
2268 length += sprintf (s + length, " extclock");
2269
2270 if (c->type == T_E1)
2271 switch (c->gsyn) {
2272 case GSYN_INT : length += sprintf (s + length, " syn=int"); break;
2273 case GSYN_RCV : length += sprintf (s + length, " syn=rcv"); break;
2274 case GSYN_RCV0 : length += sprintf (s + length, " syn=rcv0"); break;
2275 case GSYN_RCV1 : length += sprintf (s + length, " syn=rcv1"); break;
2276 }
2277 if (c->type == T_E1)
2278 length += sprintf (s + length, " higain=%s", c->higain ? "on" : "off");
2279
2280 length += sprintf (s + length, " loop=%s", c->lloop ? "on" : "off");
2281
2282 if (c->type == T_E1)
2283 length += sprintf (s + length, " ts=%s", format_timeslots (c->ts));
2284 length += sprintf (s + length, "\n");
2285 return length;
2286}
2287
2288#if __FreeBSD_version >= 500000
2289static int ng_ce_rcvmsg (node_p node, item_p item, hook_p lasthook)
2290{
2291 drv_t *d = NG_NODE_PRIVATE (node);
2292 struct ng_mesg *msg;
2293#else
2294static int ng_ce_rcvmsg (node_p node, struct ng_mesg *msg,
2295 const char *retaddr, struct ng_mesg **rptr)
2296{
2297 drv_t *d = node->private;
2298#endif
2299 struct ng_mesg *resp = NULL;
2300 int error = 0;
2301
2302 CE_DEBUG (d, ("Rcvmsg\n"));
2303#if __FreeBSD_version >= 500000
2304 NGI_GET_MSG (item, msg);
2305#endif
2306 switch (msg->header.typecookie) {
2307 default:
2308 error = EINVAL;
2309 break;
2310
2311 case NGM_CE_COOKIE:
2312 printf ("Not implemented yet\n");
2313 error = EINVAL;
2314 break;
2315
2316 case NGM_GENERIC_COOKIE:
2317 switch (msg->header.cmd) {
2318 default:
2319 error = EINVAL;
2320 break;
2321
2322 case NGM_TEXT_STATUS: {
2323 char *s;
2324 int l = 0;
2325 int dl = sizeof (struct ng_mesg) + 730;
2326
2327#if __FreeBSD_version >= 500000
2328 NG_MKRESPONSE (resp, msg, dl, M_NOWAIT);
2329 if (! resp) {
2330 error = ENOMEM;
2331 break;
2332 }
2333#else
2334 resp = malloc (M_NETGRAPH, M_NOWAIT);
2335 if (! resp) {
2336 error = ENOMEM;
2337 break;
2338 }
2339 bzero (resp, dl);
2340#endif
2341 s = (resp)->data;
2342 if (d) {
2343 l += print_chan (s + l, d->chan);
2344 l += print_stats (s + l, d->chan, 1);
2345 l += print_modems (s + l, d->chan, 1);
2346 l += print_e1_stats (s + l, d->chan);
2347 } else
2348 l += sprintf (s + l, "Error: node not connect to channel");
2349#if __FreeBSD_version < 500000
2350 (resp)->header.version = NG_VERSION;
2351 (resp)->header.arglen = strlen (s) + 1;
2352 (resp)->header.token = msg->header.token;
2353 (resp)->header.typecookie = NGM_CE_COOKIE;
2354 (resp)->header.cmd = msg->header.cmd;
2355#endif
2356 strncpy ((resp)->header.cmdstr, "status", NG_CMDSTRSIZ);
2357 }
2358 break;
2359 }
2360 break;
2361 }
2362#if __FreeBSD_version >= 500000
2363 NG_RESPOND_MSG (error, node, item, resp);
2364 NG_FREE_MSG (msg);
2365#else
2366 *rptr = resp;
2367 free (msg, M_NETGRAPH);
2368#endif
2369 return error;
2370}
2371
2372#if __FreeBSD_version >= 500000
2373static int ng_ce_rcvdata (hook_p hook, item_p item)
2374{
2375 drv_t *d = NG_NODE_PRIVATE (NG_HOOK_NODE(hook));
2376 struct mbuf *m;
2377#if __FreeBSD_version < 502120
2378 meta_p meta;
2379#else
2380 struct ng_tag_prio *ptag;
2381#endif
2382#else
2383static int ng_ce_rcvdata (hook_p hook, struct mbuf *m, meta_p meta)
2384{
2385 drv_t *d = hook->node->private;
2386#endif
2387 bdrv_t *bd = d->board->sys;
2388 struct ifqueue *q;
2389 int s;
2390
2391 CE_DEBUG2 (d, ("Rcvdata\n"));
2392#if __FreeBSD_version >= 500000
2393 NGI_GET_M (item, m);
2394#if __FreeBSD_version < 502120
2395 NGI_GET_META (item, meta);
2396#endif
2397 NG_FREE_ITEM (item);
2398 if (! NG_HOOK_PRIVATE (hook) || ! d) {
2399 NG_FREE_M (m);
2400#if __FreeBSD_version < 502120
2401 NG_FREE_META (meta);
2402#endif
2403#else
2404 if (! hook->private || ! d) {
2405 NG_FREE_DATA (m,meta);
2406#endif
2407 return ENETDOWN;
2408 }
2409
2410#if __FreeBSD_version >= 502120
2411 /* Check for high priority data */
2412 if ((ptag = (struct ng_tag_prio *)m_tag_locate(m, NGM_GENERIC_COOKIE,
2413 NG_TAG_PRIO, NULL)) != NULL && (ptag->priority > NG_PRIO_CUTOFF) )
2414 q = &d->hi_queue;
2415 else
2416 q = &d->queue;
2417#else
2418 q = (meta && meta->priority > 0) ? &d->hi_queue : &d->queue;
2419#endif
2420
2421 s = splimp ();
2422 CE_LOCK (bd);
2423#if __FreeBSD_version >= 500000
2424 IF_LOCK (q);
2425 if (_IF_QFULL (q)) {
2426 _IF_DROP (q);
2427 IF_UNLOCK (q);
2428 CE_UNLOCK (bd);
2429 splx (s);
2430 NG_FREE_M (m);
2431#if __FreeBSD_version < 502120
2432 NG_FREE_META (meta);
2433#endif
2434 return ENOBUFS;
2435 }
2436 _IF_ENQUEUE (q, m);
2437 IF_UNLOCK (q);
2438#else
2439 if (IF_QFULL (q)) {
2440 IF_DROP (q);
2441 CE_UNLOCK (bd);
2442 splx (s);
2443 NG_FREE_DATA (m, meta);
2444 return ENOBUFS;
2445 }
2446 IF_ENQUEUE (q, m);
2447#endif
2448 ce_start (d);
2449 CE_UNLOCK (bd);
2450 splx (s);
2451 return 0;
2452}
2453
2454static int ng_ce_rmnode (node_p node)
2455{
2456#if __FreeBSD_version >= 500000
2457 drv_t *d = NG_NODE_PRIVATE (node);
2458
2459 CE_DEBUG (d, ("Rmnode\n"));
2460 if (d && d->running) {
2461 bdrv_t *bd = d->board->sys;
2462 int s = splimp ();
2463 CE_LOCK (bd);
2464 ce_down (d);
2465 CE_UNLOCK (bd);
2466 splx (s);
2467 }
2468#ifdef KLD_MODULE
2469#if __FreeBSD_version >= 502120
2470 if (node->nd_flags & NGF_REALLY_DIE) {
2471#else
2472 if (node->nd_flags & NG_REALLY_DIE) {
2473#endif
2474 NG_NODE_SET_PRIVATE (node, NULL);
2475 NG_NODE_UNREF (node);
2476 }
2477#if __FreeBSD_version >= 502120
2478 NG_NODE_REVIVE(node); /* Persistant node */
2479#else
2480 node->nd_flags &= ~NG_INVALID;
2481#endif
2482#endif
2483#else /* __FreeBSD_version < 500000 */
2484 drv_t *d = node->private;
2485
2486 if (d && d->running) {
2487 bdrv_t *bd = d->board->sys;
2488 int s = splimp ();
2489 CE_LOCK (bd);
2490 ce_down (d);
2491 CE_UNLOCK (bd);
2492 splx (s);
2493 }
2494
2495 node->flags |= NG_INVALID;
2496 ng_cutlinks (node);
2497#ifdef KLD_MODULE
2498 ng_unname (node);
2499 ng_unref (node);
2500#endif
2501#endif
2502 return 0;
2503}
2504
2505static int ng_ce_connect (hook_p hook)
2506{
2507#if __FreeBSD_version >= 500000
2508 drv_t *d = NG_NODE_PRIVATE (NG_HOOK_NODE (hook));
2509#else
2510 drv_t *d = hook->node->private;
2511#endif
2512
2513 if (d) {
2514 CE_DEBUG (d, ("Connect\n"));
2515 callout_reset (&d->timeout_handle, hz, ce_watchdog_timer, d);
2516 }
2517
2518 return 0;
2519}
2520
2521static int ng_ce_disconnect (hook_p hook)
2522{
2523#if __FreeBSD_version >= 500000
2524 drv_t *d = NG_NODE_PRIVATE (NG_HOOK_NODE (hook));
2525#else
2526 drv_t *d = hook->node->private;
2527#endif
2528
2529 if (d) {
2530 CE_DEBUG (d, ("Disconnect\n"));
2531#if __FreeBSD_version >= 500000
2532 if (NG_HOOK_PRIVATE (hook))
2533#else
2534 if (hook->private)
2535#endif
2536 {
2537 bdrv_t *bd = d->board->sys;
2538 int s = splimp ();
2539 CE_LOCK (bd);
2540 ce_down (d);
2541 CE_UNLOCK (bd);
2542 splx (s);
2543 }
2544 /* If we were wait it than it reasserted now, just stop it. */
2545 if (!callout_drain (&d->timeout_handle))
2546 callout_stop (&d->timeout_handle);
2547 }
2548 return 0;
2549}
2550#endif
2551
2552static int ce_modevent (module_t mod, int type, void *unused)
2553{
2554#if __FreeBSD_version < 500000
2555 dev_t dev;
2556 struct cdevsw *cdsw;
2557#endif
2558 static int load_count = 0;
2559
2560#if __FreeBSD_version < 500000
2561 dev = makedev (CDEV_MAJOR, 0);
2562#endif
2563
2564 switch (type) {
2565 case MOD_LOAD:
2566#if __FreeBSD_version < 500000
2567 if (dev != NODEV &&
2568 (cdsw = devsw (dev)) &&
2569 cdsw->d_maj == CDEV_MAJOR) {
2570 printf ("Tau32-PCI driver is already in system\n");
2571 return (ENXIO);
2572 }
2573#endif
2574#if __FreeBSD_version >= 500000 && defined NETGRAPH
2575 if (ng_newtype (&typestruct))
2576 printf ("Failed to register ng_ce\n");
2577#endif
2578 ++load_count;
2579#if __FreeBSD_version <= 500000
2580 cdevsw_add (&ce_cdevsw);
2581#endif
2582#if __FreeBSD_version >= 500000
2583 callout_init (&timeout_handle, CALLOUT_MPSAFE);
2584#else
2585 callout_init (&timeout_handle);
2586#endif
2587 callout_reset (&timeout_handle, hz*5, ce_timeout, 0);
2588 break;
2589 case MOD_UNLOAD:
2590 if (load_count == 1) {
2591 printf ("Removing device entry for Tau32-PCI\n");
2592#if __FreeBSD_version <= 500000
2593 cdevsw_remove (&ce_cdevsw);
2594#endif
2595#if __FreeBSD_version >= 500000 && defined NETGRAPH
2596 ng_rmtype (&typestruct);
2597#endif
2598 }
2599 /* If we were wait it than it reasserted now, just stop it.
2600 * Actually we shouldn't get this condition. But code could be
2601 * changed in the future, so just be a litle paranoid.
2602 */
2603 if (!callout_drain (&timeout_handle))
2604 callout_stop (&timeout_handle);
2605 --load_count;
2606 break;
2607 case MOD_SHUTDOWN:
2608 break;
2609 }
2610 return 0;
2611}
2612
2613#ifdef NETGRAPH
2614#if __FreeBSD_version >= 502100
2615static struct ng_type typestruct = {
2616 .version = NG_ABI_VERSION,
2617 .name = NG_CE_NODE_TYPE,
2618 .constructor = ng_ce_constructor,
2619 .rcvmsg = ng_ce_rcvmsg,
2620 .shutdown = ng_ce_rmnode,
2621 .newhook = ng_ce_newhook,
2622 .connect = ng_ce_connect,
2623 .rcvdata = ng_ce_rcvdata,
2624 .disconnect = ng_ce_disconnect,
2625};
2626#else /* __FreeBSD_version < 502100 */
2627static struct ng_type typestruct = {
2628#if __FreeBSD_version >= 500000
2629 NG_ABI_VERSION,
2630#else
2631 NG_VERSION,
2632#endif
2633 NG_CE_NODE_TYPE,
2634 ce_modevent,
2635 ng_ce_constructor,
2636 ng_ce_rcvmsg,
2637 ng_ce_rmnode,
2638 ng_ce_newhook,
2639 NULL,
2640 ng_ce_connect,
2641 ng_ce_rcvdata,
2642#if __FreeBSD_version < 500000
2643 NULL,
2644#endif
2645 ng_ce_disconnect,
2646 NULL
2647};
2648#endif /* __FreeBSD_version < 502100 */
2649
2650#endif /*NETGRAPH*/
2651
2652#if __FreeBSD_version >= 500000
2653#ifdef NETGRAPH
2654MODULE_DEPEND (ng_ce, netgraph, NG_ABI_VERSION, NG_ABI_VERSION, NG_ABI_VERSION);
2655#else
2656MODULE_DEPEND (ce, sppp, 1, 1, 1);
2657#endif
2658#ifdef KLD_MODULE
2659DRIVER_MODULE (cemod, pci, ce_driver, ce_devclass, ce_modevent, NULL);
2660#else
2661DRIVER_MODULE (ce, pci, ce_driver, ce_devclass, ce_modevent, NULL);
2662#endif
2663#else /* if __FreeBSD_version < 500000*/
2664#ifdef NETGRAPH
2665DRIVER_MODULE (ce, pci, ce_driver, ce_devclass, ng_mod_event, &typestruct);
2666#else
2667DRIVER_MODULE (ce, pci, ce_driver, ce_devclass, ce_modevent, NULL);
2668#endif
2669#endif /* __FreeBSD_version < 500000 */
2670#endif /* NPCI */
| 149};
150
151typedef struct _ce_dma_mem_t {
152 unsigned long phys;
153 void *virt;
154 size_t size;
155#if __FreeBSD_version >= 500000
156 bus_dma_tag_t dmat;
157 bus_dmamap_t mapp;
158#endif
159} ce_dma_mem_t;
160
161typedef struct _drv_t {
162 char name [8];
163 int running;
164 ce_board_t *board;
165 ce_chan_t *chan;
166 struct ifqueue rqueue;
167#ifdef NETGRAPH
168 char nodename [NG_NODESIZE];
169 hook_p hook;
170 hook_p debug_hook;
171 node_p node;
172 struct ifqueue queue;
173 struct ifqueue hi_queue;
174#else
175 struct ifnet *ifp;
176#endif
177 short timeout;
178 struct callout timeout_handle;
179#if __FreeBSD_version >= 500000
180 struct cdev *devt;
181#else /* __FreeBSD_version < 500000 */
182 dev_t devt;
183#endif
184 ce_dma_mem_t dmamem;
185} drv_t;
186
187typedef struct _bdrv_t {
188 ce_board_t *board;
189 struct resource *ce_res;
190 struct resource *ce_irq;
191 void *ce_intrhand;
192 ce_dma_mem_t dmamem;
193 drv_t channel [NCHAN];
194#if __FreeBSD_version >= 504000
195 struct mtx ce_mtx;
196#endif
197} bdrv_t;
198
199static driver_t ce_driver = {
200 "ce",
201 ce_methods,
202 sizeof(bdrv_t),
203};
204
205static devclass_t ce_devclass;
206
207static void ce_receive (ce_chan_t *c, unsigned char *data, int len);
208static void ce_transmit (ce_chan_t *c, void *attachment, int len);
209static void ce_error (ce_chan_t *c, int data);
210static void ce_up (drv_t *d);
211static void ce_start (drv_t *d);
212static void ce_down (drv_t *d);
213static void ce_watchdog (drv_t *d);
214static void ce_watchdog_timer (void *arg);
215#ifdef NETGRAPH
216extern struct ng_type typestruct;
217#else
218static void ce_ifstart (struct ifnet *ifp);
219static void ce_tlf (struct sppp *sp);
220static void ce_tls (struct sppp *sp);
221static int ce_sioctl (struct ifnet *ifp, u_long cmd, caddr_t data);
222static void ce_initialize (void *softc);
223#endif
224
225static ce_board_t *adapter [NBRD];
226static drv_t *channel [NBRD*NCHAN];
227static struct callout led_timo [NBRD];
228static struct callout timeout_handle;
229
230static int ce_destroy = 0;
231
232#if __FreeBSD_version < 500000
233static int ce_open (dev_t dev, int oflags, int devtype, struct proc *p);
234static int ce_close (dev_t dev, int fflag, int devtype, struct proc *p);
235static int ce_ioctl (dev_t dev, u_long cmd, caddr_t data, int flag, struct proc *p);
236#else
237static int ce_open (struct cdev *dev, int oflags, int devtype, struct thread *td);
238static int ce_close (struct cdev *dev, int fflag, int devtype, struct thread *td);
239static int ce_ioctl (struct cdev *dev, u_long cmd, caddr_t data, int flag, struct thread *td);
240#endif
241#if __FreeBSD_version < 500000
242static struct cdevsw ce_cdevsw = {
243 ce_open, ce_close, noread, nowrite,
244 ce_ioctl, nopoll, nommap, nostrategy,
245 "ce", CDEV_MAJOR, nodump, nopsize,
246 D_NAGGED, -1
247 };
248#elif __FreeBSD_version == 500000
249static struct cdevsw ce_cdevsw = {
250 ce_open, ce_close, noread, nowrite,
251 ce_ioctl, nopoll, nommap, nostrategy,
252 "ce", CDEV_MAJOR, nodump, nopsize,
253 D_NAGGED,
254 };
255#elif __FreeBSD_version <= 501000
256static struct cdevsw ce_cdevsw = {
257 .d_open = ce_open,
258 .d_close = ce_close,
259 .d_read = noread,
260 .d_write = nowrite,
261 .d_ioctl = ce_ioctl,
262 .d_poll = nopoll,
263 .d_mmap = nommap,
264 .d_strategy = nostrategy,
265 .d_name = "ce",
266 .d_maj = CDEV_MAJOR,
267 .d_dump = nodump,
268 .d_flags = D_NAGGED,
269};
270#elif __FreeBSD_version < 502103
271static struct cdevsw ce_cdevsw = {
272 .d_open = ce_open,
273 .d_close = ce_close,
274 .d_ioctl = ce_ioctl,
275 .d_name = "ce",
276 .d_maj = CDEV_MAJOR,
277 .d_flags = D_NAGGED,
278};
279#elif __FreeBSD_version < 600000
280static struct cdevsw ce_cdevsw = {
281 .d_version = D_VERSION,
282 .d_open = ce_open,
283 .d_close = ce_close,
284 .d_ioctl = ce_ioctl,
285 .d_name = "ce",
286 .d_maj = CDEV_MAJOR,
287 .d_flags = D_NEEDGIANT,
288};
289#else /* __FreeBSD_version >= 600000 */
290static struct cdevsw ce_cdevsw = {
291 .d_version = D_VERSION,
292 .d_open = ce_open,
293 .d_close = ce_close,
294 .d_ioctl = ce_ioctl,
295 .d_name = "ce",
296};
297#endif
298
299/*
300 * Print the mbuf chain, for debug purposes only.
301 */
302static void printmbuf (struct mbuf *m)
303{
304 printf ("mbuf:");
305 for (; m; m=m->m_next) {
306 if (m->m_flags & M_PKTHDR)
307 printf (" HDR %d:", m->m_pkthdr.len);
308 if (m->m_flags & M_EXT)
309 printf (" EXT:");
310 printf (" %d", m->m_len);
311 }
312 printf ("\n");
313}
314
315/*
316 * Make an mbuf from data.
317 */
318static struct mbuf *makembuf (void *buf, unsigned len)
319{
320 struct mbuf *m;
321
322 MGETHDR (m, M_NOWAIT, MT_DATA);
323 if (! m)
324 return 0;
325 MCLGET (m, M_NOWAIT);
326 if (! (m->m_flags & M_EXT)) {
327 m_freem (m);
328 return 0;
329 }
330 m->m_pkthdr.len = m->m_len = len;
331 bcopy (buf, mtod (m, caddr_t), len);
332 return m;
333}
334
335static int ce_probe (device_t dev)
336{
337 if ((pci_get_vendor (dev) == TAU32_PCI_VENDOR_ID) &&
338 (pci_get_device (dev) == TAU32_PCI_DEVICE_ID)) {
339 device_set_desc (dev, "Cronyx-Tau32-PCI serial adapter");
340 return BUS_PROBE_DEFAULT;
341 }
342 return ENXIO;
343}
344
345static void ce_timeout (void *arg)
346{
347 drv_t *d;
348 int s, i, k;
349
350 for (i = 0; i < NBRD; ++i) {
351 if (adapter[i] == NULL)
352 continue;
353 for (k = 0; k < NCHAN; ++k) {
354 s = splimp ();
355 if (ce_destroy) {
356 splx (s);
357 return;
358 }
359 d = channel[i * NCHAN + k];
360 if (!d) {
361 splx (s);
362 continue;
363 }
364 CE_LOCK ((bdrv_t *)d->board->sys);
365 switch (d->chan->type) {
366 case T_E1:
367 ce_e1_timer (d->chan);
368 break;
369 default:
370 break;
371 }
372 CE_UNLOCK ((bdrv_t *)d->board->sys);
373 splx (s);
374 }
375 }
376 s = splimp ();
377 if (!ce_destroy)
378 callout_reset (&timeout_handle, hz, ce_timeout, 0);
379 splx (s);
380}
381
382static void ce_led_off (void *arg)
383{
384 ce_board_t *b = arg;
385 bdrv_t *bd = (bdrv_t *) b->sys;
386 int s;
387 s = splimp ();
388 if (ce_destroy) {
389 splx (s);
390 return;
391 }
392 CE_LOCK (bd);
393 TAU32_LedSet (b->ddk.pControllerObject, 0);
394 CE_UNLOCK (bd);
395 splx (s);
396}
397
398static void ce_intr (void *arg)
399{
400 bdrv_t *bd = arg;
401 ce_board_t *b = bd->board;
402 int s;
403 int i;
404#if __FreeBSD_version >= 500000 && defined NETGRAPH
405 int error;
406#endif
407 s = splimp ();
408 if (ce_destroy) {
409 splx (s);
410 return;
411 }
412 CE_LOCK (bd);
413 /* Turn LED on. */
414 TAU32_LedSet (b->ddk.pControllerObject, 1);
415
416 TAU32_HandleInterrupt (b->ddk.pControllerObject);
417
418 /* Turn LED off 50 msec later. */
419 callout_reset (&led_timo[b->num], hz/20, ce_led_off, b);
420 CE_UNLOCK (bd);
421 splx (s);
422
423 /* Pass packets in a lock-free state */
424 for (i = 0; i < NCHAN && b->chan[i].type; i++) {
425 drv_t *d = b->chan[i].sys;
426 struct mbuf *m;
427 if (!d || !d->running)
428 continue;
429 while (_IF_QLEN(&d->rqueue)) {
430 IF_DEQUEUE (&d->rqueue,m);
431 if (!m)
432 continue;
433#ifdef NETGRAPH
434 if (d->hook) {
435#if __FreeBSD_version >= 500000
436 NG_SEND_DATA_ONLY (error, d->hook, m);
437#else
438 ng_queue_data (d->hook, m, 0);
439#endif
440 } else {
441 IF_DRAIN (&d->rqueue);
442 }
443#else
444 sppp_input (d->ifp, m);
445#endif
446 }
447 }
448}
449
450#if __FreeBSD_version >= 500000
451static void
452ce_bus_dmamap_addr (void *arg, bus_dma_segment_t *segs, int nseg, int error)
453{
454 unsigned long *addr;
455
456 if (error)
457 return;
458
459 KASSERT(nseg == 1, ("too many DMA segments, %d should be 1", nseg));
460 addr = arg;
461 *addr = segs->ds_addr;
462}
463
464#ifndef BUS_DMA_ZERO
465#define BUS_DMA_ZERO 0
466#endif
467
468static int
469ce_bus_dma_mem_alloc (int bnum, int cnum, ce_dma_mem_t *dmem)
470{
471 int error;
472
473 error = bus_dma_tag_create (NULL, 16, 0, BUS_SPACE_MAXADDR_32BIT,
474 BUS_SPACE_MAXADDR, NULL, NULL, dmem->size, 1,
475 dmem->size, 0,
476#if __FreeBSD_version >= 502000
477 NULL, NULL,
478#endif
479 &dmem->dmat);
480 if (error) {
481 if (cnum >= 0) printf ("ce%d-%d: ", bnum, cnum);
482 else printf ("ce%d: ", bnum);
483 printf ("couldn't allocate tag for dma memory\n");
484 return 0;
485 }
486 error = bus_dmamem_alloc (dmem->dmat, (void **)&dmem->virt,
487 BUS_DMA_NOWAIT | BUS_DMA_ZERO, &dmem->mapp);
488 if (error) {
489 if (cnum >= 0) printf ("ce%d-%d: ", bnum, cnum);
490 else printf ("ce%d: ", bnum);
491 printf ("couldn't allocate mem for dma memory\n");
492 bus_dma_tag_destroy (dmem->dmat);
493 return 0;
494 }
495 error = bus_dmamap_load (dmem->dmat, dmem->mapp, dmem->virt,
496 dmem->size, ce_bus_dmamap_addr, &dmem->phys, 0);
497 if (error) {
498 if (cnum >= 0) printf ("ce%d-%d: ", bnum, cnum);
499 else printf ("ce%d: ", bnum);
500 printf ("couldn't load mem map for dma memory\n");
501 bus_dmamem_free (dmem->dmat, dmem->virt, dmem->mapp);
502 bus_dma_tag_destroy (dmem->dmat);
503 return 0;
504 }
505#if __FreeBSD_version >= 502000
506 bzero (dmem->virt, dmem->size);
507#endif
508 return 1;
509}
510
511static void
512ce_bus_dma_mem_free (ce_dma_mem_t *dmem)
513{
514 bus_dmamap_unload (dmem->dmat, dmem->mapp);
515 bus_dmamem_free (dmem->dmat, dmem->virt, dmem->mapp);
516 bus_dma_tag_destroy (dmem->dmat);
517}
518#else
519static int
520ce_bus_dma_mem_alloc (int bnum, int cnum, ce_dma_mem_t *dmem)
521{
522 dmem->virt = contigmalloc (dmem->size, M_DEVBUF, M_WAITOK,
523 0x100000, 0xffffffff, 16, 0);
524 if (dmem->virt == NULL) {
525 if (cnum >= 0) printf ("ce%d-%d: ", bnum, cnum);
526 else printf ("ce%d: ", bnum);
527 printf ("couldn't allocate dma memory\n");
528 return 0;
529 }
530 dmem->phys = vtophys (dmem->virt);
531 bzero (dmem->virt, dmem->size);
532 return 1;
533}
534
535static void
536ce_bus_dma_mem_free (ce_dma_mem_t *dmem)
537{
538 contigfree (dmem->virt, dmem->size, M_DEVBUF);
539}
540#endif
541
542/*
543 * Called if the probe succeeded.
544 */
545static int ce_attach (device_t dev)
546{
547 bdrv_t *bd = device_get_softc (dev);
548 int unit = device_get_unit (dev);
549#if __FreeBSD_version >= 504000
550 char *ce_ln = CE_LOCK_NAME;
551#endif
552 vm_offset_t vbase;
553 int rid, error;
554 ce_board_t *b;
555 ce_chan_t *c;
556 drv_t *d;
557 int s;
558
559 b = malloc (sizeof(ce_board_t), M_DEVBUF, M_WAITOK);
560 if (!b) {
561 printf ("ce%d: couldn't allocate memory\n", unit);
562 return (ENXIO);
563 }
564 bzero (b, sizeof(ce_board_t));
565
566 b->ddk.sys = &b;
567
568#if __FreeBSD_version >= 440000
569 pci_enable_busmaster (dev);
570#endif
571
572 bd->dmamem.size = TAU32_ControllerObjectSize;
573 if (! ce_bus_dma_mem_alloc (unit, -1, &bd->dmamem)) {
574 free (b, M_DEVBUF);
575 return (ENXIO);
576 }
577 b->ddk.pControllerObject = bd->dmamem.virt;
578
579 bd->board = b;
580 b->sys = bd;
581 rid = PCIR_BAR(0);
582 bd->ce_res = bus_alloc_resource (dev, SYS_RES_MEMORY, &rid,
583 0, ~0, 1, RF_ACTIVE);
584 if (! bd->ce_res) {
585 printf ("ce%d: cannot map memory\n", unit);
586 ce_bus_dma_mem_free (&bd->dmamem);
587 free (b, M_DEVBUF);
588 return (ENXIO);
589 }
590 vbase = (vm_offset_t) rman_get_virtual (bd->ce_res);
591
592 b->ddk.PciBar1VirtualAddress = (void *)vbase;
593 b->ddk.ControllerObjectPhysicalAddress = bd->dmamem.phys;
594 b->ddk.pErrorNotifyCallback = ce_error_callback;
595 b->ddk.pStatusNotifyCallback = ce_status_callback;
596 b->num = unit;
597
598 TAU32_BeforeReset(&b->ddk);
599 pci_write_config (dev, TAU32_PCI_RESET_ADDRESS, TAU32_PCI_RESET_ON, 4);
600 pci_write_config (dev, TAU32_PCI_RESET_ADDRESS, TAU32_PCI_RESET_OFF, 4);
601
602 if(!TAU32_Initialize(&b->ddk, 0))
603 {
604 printf ("ce%d: init adapter error 0x%08x, bus dead bits 0x%08lx\n",
605 unit, b->ddk.InitErrors, b->ddk.DeadBits);
606 bus_release_resource (dev, SYS_RES_MEMORY, PCIR_BAR(0), bd->ce_res);
607 ce_bus_dma_mem_free (&bd->dmamem);
608 free (b, M_DEVBUF);
609 return (ENXIO);
610 }
611
612 s = splimp ();
613
614 ce_init_board (b);
615
616 rid = 0;
617 bd->ce_irq = bus_alloc_resource (dev, SYS_RES_IRQ, &rid, 0, ~0, 1,
618 RF_SHAREABLE | RF_ACTIVE);
619 if (! bd->ce_irq) {
620 printf ("ce%d: cannot map interrupt\n", unit);
621 bus_release_resource (dev, SYS_RES_MEMORY, PCIR_BAR(0), bd->ce_res);
622 ce_bus_dma_mem_free (&bd->dmamem);
623 free (b, M_DEVBUF);
624 splx (s);
625 return (ENXIO);
626 }
627#if __FreeBSD_version >= 500000
628 callout_init (&led_timo[unit], CALLOUT_MPSAFE);
629#else
630 callout_init (&led_timo[unit]);
631#endif
632 error = bus_setup_intr (dev, bd->ce_irq,
633#if __FreeBSD_version >= 500013
634 INTR_TYPE_NET|INTR_MPSAFE,
635#else
636 INTR_TYPE_NET,
637#endif
638 NULL, ce_intr, bd, &bd->ce_intrhand);
639 if (error) {
640 printf ("ce%d: cannot set up irq\n", unit);
641 bus_release_resource (dev, SYS_RES_IRQ, 0, bd->ce_irq);
642 bus_release_resource (dev, SYS_RES_MEMORY,
643 PCIR_BAR(0), bd->ce_res);
644 ce_bus_dma_mem_free (&bd->dmamem);
645 free (b, M_DEVBUF);
646 splx (s);
647 return (ENXIO);
648 }
649
650 switch (b->ddk.Model) {
651 case 1: strcpy (b->name, TAU32_BASE_NAME); break;
652 case 2: strcpy (b->name, TAU32_LITE_NAME); break;
653 case 3: strcpy (b->name, TAU32_ADPCM_NAME); break;
654 default: strcpy (b->name, TAU32_UNKNOWN_NAME); break;
655 }
656
657 printf ("ce%d: %s\n", unit, b->name);
658
659 for (c = b->chan; c < b->chan + NCHAN; ++c) {
660 c->num = (c - b->chan);
661 c->board = b;
662
663 d = &bd->channel[c->num];
664 d->dmamem.size = sizeof(ce_buf_t);
665 if (! ce_bus_dma_mem_alloc (unit, c->num, &d->dmamem))
666 continue;
667
668 channel [b->num * NCHAN + c->num] = d;
669 sprintf (d->name, "ce%d.%d", b->num, c->num);
670 d->board = b;
671 d->chan = c;
672 c->sys = d;
673 }
674
675 for (c = b->chan; c < b->chan + NCHAN; ++c) {
676 if (c->sys == NULL)
677 continue;
678 d = c->sys;
679
680 callout_init (&d->timeout_handle, CALLOUT_MPSAFE);
681#ifdef NETGRAPH
682 if (ng_make_node_common (&typestruct, &d->node) != 0) {
683 printf ("%s: cannot make common node\n", d->name);
684 d->node = NULL;
685 continue;
686 }
687#if __FreeBSD_version >= 500000
688 NG_NODE_SET_PRIVATE (d->node, d);
689#else
690 d->node->private = d;
691#endif
692 sprintf (d->nodename, "%s%d", NG_CE_NODE_TYPE,
693 c->board->num * NCHAN + c->num);
694 if (ng_name_node (d->node, d->nodename)) {
695 printf ("%s: cannot name node\n", d->nodename);
696#if __FreeBSD_version >= 500000
697 NG_NODE_UNREF (d->node);
698#else
699 ng_rmnode (d->node);
700 ng_unref (d->node);
701#endif
702 continue;
703 }
704 d->queue.ifq_maxlen = ifqmaxlen;
705 d->hi_queue.ifq_maxlen = ifqmaxlen;
706 d->rqueue.ifq_maxlen = ifqmaxlen;
707#if __FreeBSD_version >= 500000
708 mtx_init (&d->queue.ifq_mtx, "ce_queue", NULL, MTX_DEF);
709 mtx_init (&d->hi_queue.ifq_mtx, "ce_queue_hi", NULL, MTX_DEF);
710 mtx_init (&d->rqueue.ifq_mtx, "ce_rqueue", NULL, MTX_DEF);
711#endif
712#else /*NETGRAPH*/
713#if __FreeBSD_version >= 600031
714 d->ifp = if_alloc(IFT_PPP);
715#else
716 d->ifp = malloc (sizeof(struct sppp), M_DEVBUF, M_WAITOK);
717 bzero (d->ifp, sizeof(struct sppp));
718#endif
719 if (!d->ifp) {
720 printf ("%s: cannot if_alloc() interface\n", d->name);
721 continue;
722 }
723 d->ifp->if_softc = d;
724#if __FreeBSD_version > 501000
725 if_initname (d->ifp, "ce", b->num * NCHAN + c->num);
726#else
727 d->ifp->if_unit = b->num * NCHAN + c->num;
728 d->ifp->if_name = "ce";
729#endif
730 d->ifp->if_mtu = PP_MTU;
731 d->ifp->if_flags = IFF_POINTOPOINT | IFF_MULTICAST;
732 d->ifp->if_ioctl = ce_sioctl;
733 d->ifp->if_start = ce_ifstart;
734 d->ifp->if_init = ce_initialize;
735 d->rqueue.ifq_maxlen = ifqmaxlen;
736#if __FreeBSD_version >= 500000
737 mtx_init (&d->rqueue.ifq_mtx, "ce_rqueue", NULL, MTX_DEF);
738#endif
739 sppp_attach (d->ifp);
740 if_attach (d->ifp);
741 IFP2SP(d->ifp)->pp_tlf = ce_tlf;
742 IFP2SP(d->ifp)->pp_tls = ce_tls;
743 /* If BPF is in the kernel, call the attach for it.
744 * The header size of PPP or Cisco/HDLC is 4 bytes. */
745 bpfattach (d->ifp, DLT_PPP, 4);
746#endif /*NETGRAPH*/
747 ce_start_chan (c, 1, 1, d->dmamem.virt, d->dmamem.phys);
748
749 /* Register callback functions. */
750 ce_register_transmit (c, &ce_transmit);
751 ce_register_receive (c, &ce_receive);
752 ce_register_error (c, &ce_error);
753 d->devt = make_dev (&ce_cdevsw, b->num*NCHAN+c->num, UID_ROOT,
754 GID_WHEEL, 0600, "ce%d", b->num*NCHAN+c->num);
755 }
756
757#if __FreeBSD_version >= 504000
758 ce_ln[2] = '0' + unit;
759 mtx_init (&bd->ce_mtx, ce_ln, MTX_NETWORK_LOCK, MTX_DEF|MTX_RECURSE);
760#endif
761 CE_LOCK (bd);
762 TAU32_EnableInterrupts(b->ddk.pControllerObject);
763 adapter[unit] = b;
764 CE_UNLOCK (bd);
765 splx (s);
766
767 return 0;
768}
769
770static int ce_detach (device_t dev)
771{
772 bdrv_t *bd = device_get_softc (dev);
773 ce_board_t *b = bd->board;
774 ce_chan_t *c;
775 int s;
776
777#if __FreeBSD_version >= 504000
778 KASSERT (mtx_initialized (&bd->ce_mtx), ("ce mutex not initialized"));
779#endif
780 s = splimp ();
781 CE_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 /* XXX Non existen chan! */
787 if (! d || ! d->chan)
788 continue;
789 if (d->running) {
790 CE_UNLOCK (bd);
791 splx (s);
792 return EBUSY;
793 }
794 }
795
796 /* Ok, we can unload driver */
797 /* At first we should disable interrupts */
798 ce_destroy = 1;
799 TAU32_DisableInterrupts(b->ddk.pControllerObject);
800
801 callout_stop (&led_timo[b->num]);
802
803 for (c = b->chan; c < b->chan + NCHAN; ++c) {
804 drv_t *d = (drv_t*) c->sys;
805
806 if (! d || ! d->chan)
807 continue;
808 callout_stop (&d->timeout_handle);
809#ifndef NETGRAPH
810 /* Detach from the packet filter list of interfaces. */
811 bpfdetach (d->ifp);
812
813 /* Detach from the sync PPP list. */
814 sppp_detach (d->ifp);
815
816 /* Detach from the system list of interfaces. */
817 if_detach (d->ifp);
818#if __FreeBSD_version > 600031
819 if_free(d->ifp);
820#else
821 free (d->ifp, M_DEVBUF);
822#endif
823
824 IF_DRAIN (&d->rqueue);
825#if __FreeBSD_version >= 500000
826 mtx_destroy (&d->rqueue.ifq_mtx);
827#endif
828#else
829#if __FreeBSD_version >= 500000
830 if (d->node) {
831 ng_rmnode_self (d->node);
832 NG_NODE_UNREF (d->node);
833 d->node = NULL;
834 }
835 IF_DRAIN (&d->rqueue);
836 mtx_destroy (&d->queue.ifq_mtx);
837 mtx_destroy (&d->hi_queue.ifq_mtx);
838 mtx_destroy (&d->rqueue.ifq_mtx);
839#else
840 ng_rmnode (d->node);
841 d->node = 0;
842#endif
843#endif
844 destroy_dev (d->devt);
845 }
846
847 CE_UNLOCK (bd);
848 splx (s);
849
850 callout_drain (&led_timo[b->num]);
851
852 /* Disable the interrupt request. */
853 bus_teardown_intr (dev, bd->ce_irq, bd->ce_intrhand);
854 bus_release_resource (dev, SYS_RES_IRQ, 0, bd->ce_irq);
855 TAU32_DestructiveHalt (b->ddk.pControllerObject, 0);
856 bus_release_resource (dev, SYS_RES_MEMORY, PCIR_BAR(0), bd->ce_res);
857
858 for (c = b->chan; c < b->chan + NCHAN; ++c) {
859 drv_t *d = (drv_t*) c->sys;
860
861 if (! d || ! d->chan)
862 continue;
863 callout_drain (&d->timeout_handle);
864 channel [b->num * NCHAN + c->num] = 0;
865 /* Deallocate buffers. */
866 ce_bus_dma_mem_free (&d->dmamem);
867 }
868 adapter [b->num] = 0;
869 ce_bus_dma_mem_free (&bd->dmamem);
870 free (b, M_DEVBUF);
871#if __FreeBSD_version >= 504000
872 mtx_destroy (&bd->ce_mtx);
873#endif
874 return 0;
875}
876
877#ifndef NETGRAPH
878static void ce_ifstart (struct ifnet *ifp)
879{
880 drv_t *d = ifp->if_softc;
881 bdrv_t *bd = d->board->sys;
882
883 CE_LOCK (bd);
884 ce_start (d);
885 CE_UNLOCK (bd);
886}
887
888static void ce_tlf (struct sppp *sp)
889{
890 drv_t *d = SP2IFP(sp)->if_softc;
891
892 CE_DEBUG2 (d, ("ce_tlf\n"));
893 sp->pp_down (sp);
894}
895
896static void ce_tls (struct sppp *sp)
897{
898 drv_t *d = SP2IFP(sp)->if_softc;
899
900 CE_DEBUG2 (d, ("ce_tls\n"));
901 sp->pp_up (sp);
902}
903
904/*
905 * Process an ioctl request.
906 */
907static int ce_sioctl (struct ifnet *ifp, u_long cmd, caddr_t data)
908{
909 drv_t *d = ifp->if_softc;
910 bdrv_t *bd = d->board->sys;
911 int error, s, was_up, should_be_up;
912
913#if __FreeBSD_version >= 600034
914 was_up = (ifp->if_drv_flags & IFF_DRV_RUNNING) != 0;
915#else
916 was_up = (ifp->if_flags & IFF_RUNNING) != 0;
917#endif
918 error = sppp_ioctl (ifp, cmd, data);
919
920 if (error)
921 return error;
922
923 if (! (ifp->if_flags & IFF_DEBUG))
924 d->chan->debug = 0;
925 else
926 d->chan->debug = d->chan->debug_shadow;
927
928 switch (cmd) {
929 default: CE_DEBUG2 (d, ("ioctl 0x%lx\n", cmd)); return 0;
930 case SIOCADDMULTI: CE_DEBUG2 (d, ("ioctl SIOCADDMULTI\n")); return 0;
931 case SIOCDELMULTI: CE_DEBUG2 (d, ("ioctl SIOCDELMULTI\n")); return 0;
932 case SIOCSIFFLAGS: CE_DEBUG2 (d, ("ioctl SIOCSIFFLAGS\n")); break;
933 case SIOCSIFADDR: CE_DEBUG2 (d, ("ioctl SIOCSIFADDR\n")); break;
934 }
935
936 /* We get here only in case of SIFFLAGS or SIFADDR. */
937 s = splimp ();
938 CE_LOCK (bd);
939#if __FreeBSD_version >= 600034
940 should_be_up = (ifp->if_drv_flags & IFF_DRV_RUNNING) != 0;
941#else
942 should_be_up = (ifp->if_flags & IFF_RUNNING) != 0;
943#endif
944 if (! was_up && should_be_up) {
945 /* Interface goes up -- start it. */
946 ce_up (d);
947 ce_start (d);
948 } else if (was_up && ! should_be_up) {
949 /* Interface is going down -- stop it. */
950/* if ((IFP2SP(ifp)->pp_flags & PP_FR) || (ifp->if_flags & PP_CISCO))*/
951 ce_down (d);
952 }
953 CE_DEBUG (d, ("ioctl 0x%lx p4\n", cmd));
954 CE_UNLOCK (bd);
955 splx (s);
956 return 0;
957}
958
959/*
960 * Initialization of interface.
961 * It seems to be never called by upper level?
962 */
963static void ce_initialize (void *softc)
964{
965 drv_t *d = softc;
966
967 CE_DEBUG (d, ("ce_initialize\n"));
968}
969#endif /*NETGRAPH*/
970
971/*
972 * Stop the interface. Called on splimp().
973 */
974static void ce_down (drv_t *d)
975{
976 CE_DEBUG (d, ("ce_down\n"));
977 /* Interface is going down -- stop it. */
978 ce_set_dtr (d->chan, 0);
979 ce_set_rts (d->chan, 0);
980
981 d->running = 0;
982 callout_stop (&d->timeout_handle);
983}
984
985/*
986 * Start the interface. Called on splimp().
987 */
988static void ce_up (drv_t *d)
989{
990 CE_DEBUG (d, ("ce_up\n"));
991 ce_set_dtr (d->chan, 1);
992 ce_set_rts (d->chan, 1);
993
994 d->running = 1;
995}
996
997/*
998 * Start output on the interface. Get another datagram to send
999 * off of the interface queue, and copy it to the interface
1000 * before starting the output.
1001 */
1002static void ce_send (drv_t *d)
1003{
1004 struct mbuf *m;
1005 u_short len;
1006
1007 CE_DEBUG2 (d, ("ce_send\n"));
1008
1009 /* No output if the interface is down. */
1010 if (! d->running)
1011 return;
1012
1013 while (ce_transmit_space (d->chan)) {
1014 /* Get the packet to send. */
1015#ifdef NETGRAPH
1016 IF_DEQUEUE (&d->hi_queue, m);
1017 if (! m)
1018 IF_DEQUEUE (&d->queue, m);
1019#else
1020 m = sppp_dequeue (d->ifp);
1021#endif
1022 if (! m)
1023 return;
1024#ifndef NETGRAPH
1025#if __FreeBSD_version >= 500000
1026 BPF_MTAP (d->ifp, m);
1027#else
1028 if (d->ifp->if_bpf)
1029 bpf_mtap (d->ifp, m);
1030#endif
1031#endif
1032#if __FreeBSD_version >= 490000
1033 len = m_length (m, NULL);
1034#else
1035 len = m->m_pkthdr.len;
1036#endif
1037 if (len >= BUFSZ)
1038 printf ("%s: too long packet: %d bytes: ",
1039 d->name, len);
1040 else if (! m->m_next)
1041 ce_send_packet (d->chan, (u_char*) mtod (m, caddr_t), len, 0);
1042 else {
1043 ce_buf_item_t *item = (ce_buf_item_t*)d->chan->tx_queue;
1044 m_copydata (m, 0, len, item->buf);
1045 ce_send_packet (d->chan, item->buf, len, 0);
1046 }
1047 m_freem (m);
1048 /* Set up transmit timeout, if the transmit ring is not empty.*/
1049 d->timeout = 10;
1050 }
1051#ifndef NETGRAPH
1052#if __FreeBSD_version >= 600034
1053 d->ifp->if_flags |= IFF_DRV_OACTIVE;
1054#else
1055 d->ifp->if_flags |= IFF_OACTIVE;
1056#endif
1057#endif
1058}
1059
1060/*
1061 * Start output on the interface.
1062 * Always called on splimp().
1063 */
1064static void ce_start (drv_t *d)
1065{
1066 if (d->running) {
1067 if (! d->chan->dtr)
1068 ce_set_dtr (d->chan, 1);
1069 if (! d->chan->rts)
1070 ce_set_rts (d->chan, 1);
1071 ce_send (d);
1072 callout_reset (&d->timeout_handle, hz, ce_watchdog_timer, d);
1073 }
1074}
1075
1076/*
1077 * Handle transmit timeouts.
1078 * Recover after lost transmit interrupts.
1079 * Always called on splimp().
1080 */
1081static void ce_watchdog (drv_t *d)
1082{
1083 CE_DEBUG (d, ("device timeout\n"));
1084 if (d->running) {
1085 ce_set_dtr (d->chan, 0);
1086 ce_set_rts (d->chan, 0);
1087/* ce_stop_chan (d->chan);*/
1088/* ce_start_chan (d->chan, 1, 1, 0, 0);*/
1089 ce_set_dtr (d->chan, 1);
1090 ce_set_rts (d->chan, 1);
1091 ce_start (d);
1092 }
1093}
1094
1095static void ce_watchdog_timer (void *arg)
1096{
1097 drv_t *d = arg;
1098 bdrv_t *bd = d->board->sys;
1099
1100 CE_LOCK(bd);
1101 if (d->timeout == 1)
1102 ce_watchdog (d);
1103 if (d->timeout)
1104 d->timeout--;
1105 callout_reset (&d->timeout_handle, hz, ce_watchdog_timer, d);
1106 CE_UNLOCK(bd);
1107}
1108
1109static void ce_transmit (ce_chan_t *c, void *attachment, int len)
1110{
1111 drv_t *d = c->sys;
1112
1113 d->timeout = 0;
1114#ifndef NETGRAPH
1115 ++d->ifp->if_opackets;
1116#if __FreeBSD_version >= 600034
1117 d->ifp->if_flags &= ~IFF_DRV_OACTIVE;
1118#else
1119 d->ifp->if_flags &= ~IFF_OACTIVE;
1120#endif
1121#endif
1122 ce_start (d);
1123}
1124
1125static void ce_receive (ce_chan_t *c, unsigned char *data, int len)
1126{
1127 drv_t *d = c->sys;
1128 struct mbuf *m;
1129
1130 if (! d->running)
1131 return;
1132
1133 m = makembuf (data, len);
1134 if (! m) {
1135 CE_DEBUG (d, ("no memory for packet\n"));
1136#ifndef NETGRAPH
1137 ++d->ifp->if_iqdrops;
1138#endif
1139 return;
1140 }
1141 if (c->debug > 1)
1142 printmbuf (m);
1143#ifdef NETGRAPH
1144 m->m_pkthdr.rcvif = 0;
1145 IF_ENQUEUE(&d->rqueue, m);
1146#else
1147 ++d->ifp->if_ipackets;
1148 m->m_pkthdr.rcvif = d->ifp;
1149 /* Check if there's a BPF listener on this interface.
1150 * If so, hand off the raw packet to bpf. */
1151#if __FreeBSD_version >= 500000
1152 BPF_TAP (d->ifp, data, len);
1153#else
1154 if (d->ifp->if_bpf)
1155 bpf_tap (d->ifp, data, len);
1156#endif
1157 IF_ENQUEUE(&d->rqueue, m);
1158#endif
1159}
1160
1161static void ce_error (ce_chan_t *c, int data)
1162{
1163 drv_t *d = c->sys;
1164
1165 switch (data) {
1166 case CE_FRAME:
1167 CE_DEBUG (d, ("frame error\n"));
1168#ifndef NETGRAPH
1169 ++d->ifp->if_ierrors;
1170#endif
1171 break;
1172 case CE_CRC:
1173 CE_DEBUG (d, ("crc error\n"));
1174#ifndef NETGRAPH
1175 ++d->ifp->if_ierrors;
1176#endif
1177 break;
1178 case CE_OVERRUN:
1179 CE_DEBUG (d, ("overrun error\n"));
1180#ifndef NETGRAPH
1181 ++d->ifp->if_collisions;
1182 ++d->ifp->if_ierrors;
1183#endif
1184 break;
1185 case CE_OVERFLOW:
1186 CE_DEBUG (d, ("overflow error\n"));
1187#ifndef NETGRAPH
1188 ++d->ifp->if_ierrors;
1189#endif
1190 break;
1191 case CE_UNDERRUN:
1192 CE_DEBUG (d, ("underrun error\n"));
1193 d->timeout = 0;
1194#ifndef NETGRAPH
1195 ++d->ifp->if_oerrors;
1196#if __FreeBSD_version >= 600034
1197 d->ifp->if_flags &= ~IFF_DRV_OACTIVE;
1198#else
1199 d->ifp->if_flags &= ~IFF_OACTIVE;
1200#endif
1201#endif
1202 ce_start (d);
1203 break;
1204 default:
1205 CE_DEBUG (d, ("error #%d\n", data));
1206 break;
1207 }
1208}
1209
1210/*
1211 * You also need read, write, open, close routines.
1212 * This should get you started
1213 */
1214#if __FreeBSD_version < 500000
1215static int ce_open (dev_t dev, int oflags, int devtype, struct proc *p)
1216#else
1217static int ce_open (struct cdev *dev, int oflags, int devtype, struct thread *td)
1218#endif
1219{
1220 int unit = dev2unit (dev);
1221 drv_t *d;
1222
1223 if (unit >= NBRD*NCHAN || ! (d = channel[unit]))
1224 return ENXIO;
1225 CE_DEBUG2 (d, ("ce_open\n"));
1226 return 0;
1227}
1228
1229/*
1230 * Only called on the LAST close.
1231 */
1232#if __FreeBSD_version < 500000
1233static int ce_close (dev_t dev, int fflag, int devtype, struct proc *p)
1234#else
1235static int ce_close (struct cdev *dev, int fflag, int devtype, struct thread *td)
1236#endif
1237{
1238 drv_t *d = channel [dev2unit (dev)];
1239
1240 CE_DEBUG2 (d, ("ce_close\n"));
1241 return 0;
1242}
1243
1244static int ce_modem_status (ce_chan_t *c)
1245{
1246 drv_t *d = c->sys;
1247 bdrv_t *bd = d->board->sys;
1248 int status, s;
1249
1250 status = d->running ? TIOCM_LE : 0;
1251 s = splimp ();
1252 CE_LOCK (bd);
1253 if (ce_get_cd (c)) status |= TIOCM_CD;
1254 if (ce_get_cts (c)) status |= TIOCM_CTS;
1255 if (ce_get_dsr (c)) status |= TIOCM_DSR;
1256 if (c->dtr) status |= TIOCM_DTR;
1257 if (c->rts) status |= TIOCM_RTS;
1258 CE_UNLOCK (bd);
1259 splx (s);
1260 return status;
1261}
1262
1263#if __FreeBSD_version < 500000
1264static int ce_ioctl (dev_t dev, u_long cmd, caddr_t data, int flag, struct proc *p)
1265#else
1266static int ce_ioctl (struct cdev *dev, u_long cmd, caddr_t data, int flag, struct thread *td)
1267#endif
1268{
1269 drv_t *d = channel [dev2unit (dev)];
1270 bdrv_t *bd = d->board->sys;
1271 ce_chan_t *c = d->chan;
1272 struct serial_statistics *st;
1273 struct e1_statistics *opte1;
1274 int error, s;
1275 char mask[16];
1276
1277 switch (cmd) {
1278 case SERIAL_GETREGISTERED:
1279 CE_DEBUG2 (d, ("ioctl: getregistered\n"));
1280 bzero (mask, sizeof(mask));
1281 for (s=0; s<NBRD*NCHAN; ++s)
1282 if (channel [s])
1283 mask [s/8] |= 1 << (s & 7);
1284 bcopy (mask, data, sizeof (mask));
1285 return 0;
1286
1287#ifndef NETGRAPH
1288 case SERIAL_GETPROTO:
1289 CE_DEBUG2 (d, ("ioctl: getproto\n"));
1290 strcpy ((char*)data, (IFP2SP(d->ifp)->pp_flags & PP_FR) ? "fr" :
1291 (d->ifp->if_flags & PP_CISCO) ? "cisco" : "ppp");
1292 return 0;
1293
1294 case SERIAL_SETPROTO:
1295 CE_DEBUG2 (d, ("ioctl: setproto\n"));
1296 /* Only for superuser! */
1297#if __FreeBSD_version < 500000
1298 error = suser (p);
1299#elif __FreeBSD_version < 700000
1300 error = suser (td);
1301#else
1302 error = priv_check (td, PRIV_DRIVER);
1303#endif
1304 if (error)
1305 return error;
1306#if __FreeBSD_version >= 600034
1307 if (d->ifp->if_flags & IFF_DRV_RUNNING)
1308#else
1309 if (d->ifp->if_flags & IFF_RUNNING)
1310#endif
1311 return EBUSY;
1312 if (! strcmp ("cisco", (char*)data)) {
1313 IFP2SP(d->ifp)->pp_flags &= ~(PP_FR);
1314 IFP2SP(d->ifp)->pp_flags |= PP_KEEPALIVE;
1315 d->ifp->if_flags |= PP_CISCO;
1316#if PP_FR != 0
1317 } else if (! strcmp ("fr", (char*)data)) {
1318 d->ifp->if_flags &= ~(PP_CISCO);
1319 IFP2SP(d->ifp)->pp_flags |= PP_FR | PP_KEEPALIVE;
1320#endif
1321 } else if (! strcmp ("ppp", (char*)data)) {
1322 IFP2SP(d->ifp)->pp_flags &= ~PP_FR;
1323 IFP2SP(d->ifp)->pp_flags &= ~PP_KEEPALIVE;
1324 d->ifp->if_flags &= ~(PP_CISCO);
1325 } else
1326 return EINVAL;
1327 return 0;
1328
1329 case SERIAL_GETKEEPALIVE:
1330 CE_DEBUG2 (d, ("ioctl: getkeepalive\n"));
1331 if ((IFP2SP(d->ifp)->pp_flags & PP_FR) ||
1332 (d->ifp->if_flags & PP_CISCO))
1333 return EINVAL;
1334 *(int*)data = (IFP2SP(d->ifp)->pp_flags & PP_KEEPALIVE) ? 1 : 0;
1335 return 0;
1336
1337 case SERIAL_SETKEEPALIVE:
1338 CE_DEBUG2 (d, ("ioctl: setkeepalive\n"));
1339 /* Only for superuser! */
1340#if __FreeBSD_version < 500000
1341 error = suser (p);
1342#elif __FreeBSD_version < 700000
1343 error = suser (td);
1344#else
1345 error = priv_check (td, PRIV_DRIVER);
1346#endif
1347 if (error)
1348 return error;
1349 if ((IFP2SP(d->ifp)->pp_flags & PP_FR) ||
1350 (d->ifp->if_flags & PP_CISCO))
1351 return EINVAL;
1352 s = splimp ();
1353 CE_LOCK (bd);
1354 if (*(int*)data)
1355 IFP2SP(d->ifp)->pp_flags |= PP_KEEPALIVE;
1356 else
1357 IFP2SP(d->ifp)->pp_flags &= ~PP_KEEPALIVE;
1358 CE_UNLOCK (bd);
1359 splx (s);
1360 return 0;
1361#endif /*NETGRAPH*/
1362
1363 case SERIAL_GETMODE:
1364 CE_DEBUG2 (d, ("ioctl: getmode\n"));
1365 *(int*)data = SERIAL_HDLC;
1366 return 0;
1367
1368 case SERIAL_SETMODE:
1369 /* Only for superuser! */
1370#if __FreeBSD_version < 500000
1371 error = suser (p);
1372#elif __FreeBSD_version < 700000
1373 error = suser (td);
1374#else
1375 error = priv_check (td, PRIV_DRIVER);
1376#endif
1377 if (error)
1378 return error;
1379 if (*(int*)data != SERIAL_HDLC)
1380 return EINVAL;
1381 return 0;
1382
1383 case SERIAL_GETCFG:
1384 CE_DEBUG2 (d, ("ioctl: getcfg\n"));
1385 *(char*)data = 'c';
1386 return 0;
1387
1388 case SERIAL_SETCFG:
1389 CE_DEBUG2 (d, ("ioctl: setcfg\n"));
1390#if __FreeBSD_version < 500000
1391 error = suser (p);
1392#elif __FreeBSD_version < 700000
1393 error = suser (td);
1394#else
1395 error = priv_check (td, PRIV_DRIVER);
1396#endif
1397 if (error)
1398 return error;
1399 if (*((char*)data) != 'c')
1400 return EINVAL;
1401 return 0;
1402
1403 case SERIAL_GETSTAT:
1404 CE_DEBUG2 (d, ("ioctl: getstat\n"));
1405 st = (struct serial_statistics*) data;
1406 st->rintr = c->rintr;
1407 st->tintr = c->tintr;
1408 st->mintr = 0;
1409 st->ibytes = c->ibytes;
1410 st->ipkts = c->ipkts;
1411 st->obytes = c->obytes;
1412 st->opkts = c->opkts;
1413 st->ierrs = c->overrun + c->frame + c->crc;
1414 st->oerrs = c->underrun;
1415 return 0;
1416
1417 case SERIAL_GETESTAT:
1418 CE_DEBUG2 (d, ("ioctl: getestat\n"));
1419 if (c->type != T_E1)
1420 return EINVAL;
1421 opte1 = (struct e1_statistics*) data;
1422
1423 opte1->status = 0;
1424 if (c->status & ESTS_NOALARM)
1425 opte1->status |= E1_NOALARM;
1426 if (c->status & ESTS_LOS)
1427 opte1->status |= E1_LOS;
1428 if (c->status & ESTS_LOF)
1429 opte1->status |= E1_LOF;
1430 if (c->status & ESTS_AIS)
1431 opte1->status |= E1_AIS;
1432 if (c->status & ESTS_LOMF)
1433 opte1->status |= E1_LOMF;
1434 if (c->status & ESTS_AIS16)
1435 opte1->status |= E1_AIS16;
1436 if (c->status & ESTS_FARLOF)
1437 opte1->status |= E1_FARLOF;
1438 if (c->status & ESTS_FARLOMF)
1439 opte1->status |= E1_FARLOMF;
1440 if (c->status & ESTS_TSTREQ)
1441 opte1->status |= E1_TSTREQ;
1442 if (c->status & ESTS_TSTERR)
1443 opte1->status |= E1_TSTERR;
1444
1445 opte1->cursec = c->cursec;
1446 opte1->totsec = c->totsec + c->cursec;
1447
1448 opte1->currnt.bpv = c->currnt.bpv;
1449 opte1->currnt.fse = c->currnt.fse;
1450 opte1->currnt.crce = c->currnt.crce;
1451 opte1->currnt.rcrce = c->currnt.rcrce;
1452 opte1->currnt.uas = c->currnt.uas;
1453 opte1->currnt.les = c->currnt.les;
1454 opte1->currnt.es = c->currnt.es;
1455 opte1->currnt.bes = c->currnt.bes;
1456 opte1->currnt.ses = c->currnt.ses;
1457 opte1->currnt.oofs = c->currnt.oofs;
1458 opte1->currnt.css = c->currnt.css;
1459 opte1->currnt.dm = c->currnt.dm;
1460
1461 opte1->total.bpv = c->total.bpv + c->currnt.bpv;
1462 opte1->total.fse = c->total.fse + c->currnt.fse;
1463 opte1->total.crce = c->total.crce + c->currnt.crce;
1464 opte1->total.rcrce = c->total.rcrce + c->currnt.rcrce;
1465 opte1->total.uas = c->total.uas + c->currnt.uas;
1466 opte1->total.les = c->total.les + c->currnt.les;
1467 opte1->total.es = c->total.es + c->currnt.es;
1468 opte1->total.bes = c->total.bes + c->currnt.bes;
1469 opte1->total.ses = c->total.ses + c->currnt.ses;
1470 opte1->total.oofs = c->total.oofs + c->currnt.oofs;
1471 opte1->total.css = c->total.css + c->currnt.css;
1472 opte1->total.dm = c->total.dm + c->currnt.dm;
1473 for (s=0; s<48; ++s) {
1474 opte1->interval[s].bpv = c->interval[s].bpv;
1475 opte1->interval[s].fse = c->interval[s].fse;
1476 opte1->interval[s].crce = c->interval[s].crce;
1477 opte1->interval[s].rcrce = c->interval[s].rcrce;
1478 opte1->interval[s].uas = c->interval[s].uas;
1479 opte1->interval[s].les = c->interval[s].les;
1480 opte1->interval[s].es = c->interval[s].es;
1481 opte1->interval[s].bes = c->interval[s].bes;
1482 opte1->interval[s].ses = c->interval[s].ses;
1483 opte1->interval[s].oofs = c->interval[s].oofs;
1484 opte1->interval[s].css = c->interval[s].css;
1485 opte1->interval[s].dm = c->interval[s].dm;
1486 }
1487 return 0;
1488
1489 case SERIAL_CLRSTAT:
1490 CE_DEBUG2 (d, ("ioctl: clrstat\n"));
1491 /* Only for superuser! */
1492#if __FreeBSD_version < 500000
1493 error = suser (p);
1494#elif __FreeBSD_version < 700000
1495 error = suser (td);
1496#else
1497 error = priv_check (td, PRIV_DRIVER);
1498#endif
1499 if (error)
1500 return error;
1501 c->rintr = 0;
1502 c->tintr = 0;
1503 c->ibytes = 0;
1504 c->obytes = 0;
1505 c->ipkts = 0;
1506 c->opkts = 0;
1507 c->overrun = 0;
1508 c->frame = 0;
1509 c->crc = 0;
1510 c->underrun = 0;
1511 bzero (&c->currnt, sizeof (c->currnt));
1512 bzero (&c->total, sizeof (c->total));
1513 bzero (c->interval, sizeof (c->interval));
1514 return 0;
1515
1516 case SERIAL_GETLOOP:
1517 CE_DEBUG2 (d, ("ioctl: getloop\n"));
1518 if (c->type != T_E1)
1519 return EINVAL;
1520 *(int*)data = c->lloop;
1521 return 0;
1522
1523 case SERIAL_SETLOOP:
1524 CE_DEBUG2 (d, ("ioctl: setloop\n"));
1525 if (c->type != T_E1)
1526 return EINVAL;
1527 /* Only for superuser! */
1528#if __FreeBSD_version < 500000
1529 error = suser (p);
1530#elif __FreeBSD_version < 700000
1531 error = suser (td);
1532#else
1533 error = priv_check (td, PRIV_DRIVER);
1534#endif
1535 if (error)
1536 return error;
1537 s = splimp ();
1538 CE_LOCK (bd);
1539 ce_set_lloop (c, *(int*)data);
1540 CE_UNLOCK (bd);
1541 splx (s);
1542 return 0;
1543
1544 case SERIAL_GETRLOOP:
1545 CE_DEBUG2 (d, ("ioctl: getrloop\n"));
1546 if (c->type != T_E1)
1547 return EINVAL;
1548 *(int*)data = c->rloop;
1549 return 0;
1550
1551 case SERIAL_SETRLOOP:
1552 CE_DEBUG2 (d, ("ioctl: setloop\n"));
1553 if (c->type != T_E1)
1554 return EINVAL;
1555 /* Only for superuser! */
1556#if __FreeBSD_version < 500000
1557 error = suser (p);
1558#elif __FreeBSD_version < 700000
1559 error = suser (td);
1560#else
1561 error = priv_check (td, PRIV_DRIVER);
1562#endif
1563 if (error)
1564 return error;
1565 s = splimp ();
1566 CE_LOCK (bd);
1567 ce_set_rloop (c, *(int*)data);
1568 CE_UNLOCK (bd);
1569 splx (s);
1570 return 0;
1571
1572 case SERIAL_GETDEBUG:
1573 CE_DEBUG2 (d, ("ioctl: getdebug\n"));
1574 *(int*)data = d->chan->debug;
1575 return 0;
1576
1577 case SERIAL_SETDEBUG:
1578 CE_DEBUG2 (d, ("ioctl: setdebug\n"));
1579 /* Only for superuser! */
1580#if __FreeBSD_version < 500000
1581 error = suser (p);
1582#elif __FreeBSD_version < 700000
1583 error = suser (td);
1584#else
1585 error = priv_check (td, PRIV_DRIVER);
1586#endif
1587 if (error)
1588 return error;
1589#ifndef NETGRAPH
1590 /*
1591 * The debug_shadow is always greater than zero for logic
1592 * simplicity. For switching debug off the IFF_DEBUG is
1593 * responsible.
1594 */
1595 d->chan->debug_shadow = (*(int*)data) ? (*(int*)data) : 1;
1596 if (d->ifp->if_flags & IFF_DEBUG)
1597 d->chan->debug = d->chan->debug_shadow;
1598#else
1599 d->chan->debug = *(int*)data;
1600#endif
1601 return 0;
1602
1603 case SERIAL_GETBAUD:
1604 CE_DEBUG2 (d, ("ioctl: getbaud\n"));
1605 *(long*)data = c->baud;
1606 return 0;
1607
1608 case SERIAL_SETBAUD:
1609 CE_DEBUG2 (d, ("ioctl: setbaud\n"));
1610 if (c->type != T_E1 || !c->unfram)
1611 return EINVAL;
1612 /* Only for superuser! */
1613#if __FreeBSD_version < 500000
1614 error = suser (p);
1615#elif __FreeBSD_version < 700000
1616 error = suser (td);
1617#else
1618 error = priv_check (td, PRIV_DRIVER);
1619#endif
1620 if (error)
1621 return error;
1622 s = splimp ();
1623 CE_LOCK (bd);
1624 ce_set_baud (c, *(long*)data);
1625 CE_UNLOCK (bd);
1626 splx (s);
1627 return 0;
1628
1629 case SERIAL_GETTIMESLOTS:
1630 CE_DEBUG2 (d, ("ioctl: gettimeslots\n"));
1631 if ((c->type != T_E1 || c->unfram) && c->type != T_DATA)
1632 return EINVAL;
1633 *(u_long*)data = c->ts;
1634 return 0;
1635
1636 case SERIAL_SETTIMESLOTS:
1637 CE_DEBUG2 (d, ("ioctl: settimeslots\n"));
1638 /* Only for superuser! */
1639#if __FreeBSD_version < 500000
1640 error = suser (p);
1641#elif __FreeBSD_version < 700000
1642 error = suser (td);
1643#else
1644 error = priv_check (td, PRIV_DRIVER);
1645#endif
1646 if (error)
1647 return error;
1648 if ((c->type != T_E1 || c->unfram) && c->type != T_DATA)
1649 return EINVAL;
1650 s = splimp ();
1651 CE_LOCK (bd);
1652 ce_set_ts (c, *(u_long*)data);
1653 CE_UNLOCK (bd);
1654 splx (s);
1655 return 0;
1656
1657 case SERIAL_GETHIGAIN:
1658 CE_DEBUG2 (d, ("ioctl: gethigain\n"));
1659 if (c->type != T_E1)
1660 return EINVAL;
1661 *(int*)data = c->higain;
1662 return 0;
1663
1664 case SERIAL_SETHIGAIN:
1665 CE_DEBUG2 (d, ("ioctl: sethigain\n"));
1666 if (c->type != T_E1)
1667 return EINVAL;
1668 /* Only for superuser! */
1669#if __FreeBSD_version < 500000
1670 error = suser (p);
1671#elif __FreeBSD_version < 700000
1672 error = suser (td);
1673#else
1674 error = priv_check (td, PRIV_DRIVER);
1675#endif
1676 if (error)
1677 return error;
1678 s = splimp ();
1679 CE_LOCK (bd);
1680 ce_set_higain (c, *(int*)data);
1681 CE_UNLOCK (bd);
1682 splx (s);
1683 return 0;
1684
1685 case SERIAL_GETPHONY:
1686 CE_DEBUG2 (d, ("ioctl: getphony\n"));
1687 *(int*)data = c->phony;
1688 return 0;
1689
1690 case SERIAL_SETPHONY:
1691 CE_DEBUG2 (d, ("ioctl: setphony\n"));
1692 /* Only for superuser! */
1693#if __FreeBSD_version < 500000
1694 error = suser (p);
1695#elif __FreeBSD_version < 700000
1696 error = suser (td);
1697#else
1698 error = priv_check (td, PRIV_DRIVER);
1699#endif
1700 if (error)
1701 return error;
1702 s = splimp ();
1703 CE_LOCK (bd);
1704 ce_set_phony (c, *(int*)data);
1705 CE_UNLOCK (bd);
1706 splx (s);
1707 return 0;
1708
1709 case SERIAL_GETUNFRAM:
1710 CE_DEBUG2 (d, ("ioctl: getunfram\n"));
1711 if (c->type != T_E1 || c->num != 0)
1712 return EINVAL;
1713 *(int*)data = c->unfram;
1714 return 0;
1715
1716 case SERIAL_SETUNFRAM:
1717 CE_DEBUG2 (d, ("ioctl: setunfram\n"));
1718 if (c->type != T_E1 || c->num != 0)
1719 return EINVAL;
1720 /* Only for superuser! */
1721#if __FreeBSD_version < 500000
1722 error = suser (p);
1723#elif __FreeBSD_version < 700000
1724 error = suser (td);
1725#else
1726 error = priv_check (td, PRIV_DRIVER);
1727#endif
1728 if (error)
1729 return error;
1730 s = splimp ();
1731 CE_LOCK (bd);
1732 ce_set_unfram (c, *(int*)data);
1733 CE_UNLOCK (bd);
1734 splx (s);
1735 return 0;
1736
1737 case SERIAL_GETSCRAMBLER:
1738 CE_DEBUG2 (d, ("ioctl: getscrambler\n"));
1739 if (!c->unfram)
1740 return EINVAL;
1741 *(int*)data = c->scrambler;
1742 return 0;
1743
1744 case SERIAL_SETSCRAMBLER:
1745 CE_DEBUG2 (d, ("ioctl: setscrambler\n"));
1746 /* Only for superuser! */
1747#if __FreeBSD_version < 500000
1748 error = suser (p);
1749#elif __FreeBSD_version < 700000
1750 error = suser (td);
1751#else
1752 error = priv_check (td, PRIV_DRIVER);
1753#endif
1754 if (error)
1755 return error;
1756 if (!c->unfram)
1757 return EINVAL;
1758 s = splimp ();
1759 CE_LOCK (bd);
1760 ce_set_scrambler (c, *(int*)data);
1761 CE_UNLOCK (bd);
1762 splx (s);
1763 return 0;
1764
1765 case SERIAL_GETMONITOR:
1766 CE_DEBUG2 (d, ("ioctl: getmonitor\n"));
1767 if (c->type != T_E1)
1768 return EINVAL;
1769 *(int*)data = c->monitor;
1770 return 0;
1771
1772 case SERIAL_SETMONITOR:
1773 CE_DEBUG2 (d, ("ioctl: setmonitor\n"));
1774 /* Only for superuser! */
1775#if __FreeBSD_version < 500000
1776 error = suser (p);
1777#elif __FreeBSD_version < 700000
1778 error = suser (td);
1779#else
1780 error = priv_check (td, PRIV_DRIVER);
1781#endif
1782 if (error)
1783 return error;
1784 if (c->type != T_E1)
1785 return EINVAL;
1786 s = splimp ();
1787 CE_LOCK (bd);
1788 ce_set_monitor (c, *(int*)data);
1789 CE_UNLOCK (bd);
1790 splx (s);
1791 return 0;
1792
1793 case SERIAL_GETUSE16:
1794 CE_DEBUG2 (d, ("ioctl: getuse16\n"));
1795 if (c->type != T_E1 || c->unfram)
1796 return EINVAL;
1797 *(int*)data = c->use16;
1798 return 0;
1799
1800 case SERIAL_SETUSE16:
1801 CE_DEBUG2 (d, ("ioctl: setuse16\n"));
1802 /* Only for superuser! */
1803#if __FreeBSD_version < 500000
1804 error = suser (p);
1805#elif __FreeBSD_version < 700000
1806 error = suser (td);
1807#else
1808 error = priv_check (td, PRIV_DRIVER);
1809#endif
1810 if (error)
1811 return error;
1812 if (c->type != T_E1)
1813 return EINVAL;
1814 s = splimp ();
1815 CE_LOCK (bd);
1816 ce_set_use16 (c, *(int*)data);
1817 CE_UNLOCK (bd);
1818 splx (s);
1819 return 0;
1820
1821 case SERIAL_GETCRC4:
1822 CE_DEBUG2 (d, ("ioctl: getcrc4\n"));
1823 if (c->type != T_E1 || c->unfram)
1824 return EINVAL;
1825 *(int*)data = c->crc4;
1826 return 0;
1827
1828 case SERIAL_SETCRC4:
1829 CE_DEBUG2 (d, ("ioctl: setcrc4\n"));
1830 /* Only for superuser! */
1831#if __FreeBSD_version < 500000
1832 error = suser (p);
1833#elif __FreeBSD_version < 700000
1834 error = suser (td);
1835#else
1836 error = priv_check (td, PRIV_DRIVER);
1837#endif
1838 if (error)
1839 return error;
1840 if (c->type != T_E1 || c->unfram)
1841 return EINVAL;
1842 s = splimp ();
1843 CE_LOCK (bd);
1844 ce_set_crc4 (c, *(int*)data);
1845 CE_UNLOCK (bd);
1846 splx (s);
1847 return 0;
1848
1849 case SERIAL_GETCLK:
1850 CE_DEBUG2 (d, ("ioctl: getclk\n"));
1851 if (c->type != T_E1)
1852 return EINVAL;
1853 switch (c->gsyn) {
1854 default: *(int*)data = E1CLK_INTERNAL; break;
1855 case GSYN_RCV: *(int*)data = E1CLK_RECEIVE; break;
1856 case GSYN_RCV0: *(int*)data = E1CLK_RECEIVE_CHAN0; break;
1857 case GSYN_RCV1: *(int*)data = E1CLK_RECEIVE_CHAN1; break;
1858 }
1859 return 0;
1860
1861 case SERIAL_SETCLK:
1862 CE_DEBUG2 (d, ("ioctl: setclk\n"));
1863 /* Only for superuser! */
1864#if __FreeBSD_version < 500000
1865 error = suser (p);
1866#elif __FreeBSD_version < 700000
1867 error = suser (td);
1868#else
1869 error = priv_check (td, PRIV_DRIVER);
1870#endif
1871 if (error)
1872 return error;
1873 if (c->type != T_E1)
1874 return EINVAL;
1875 s = splimp ();
1876 CE_LOCK (bd);
1877 switch (*(int*)data) {
1878 default: ce_set_gsyn (c, GSYN_INT); break;
1879 case E1CLK_RECEIVE: ce_set_gsyn (c, GSYN_RCV); break;
1880 case E1CLK_RECEIVE_CHAN0: ce_set_gsyn (c, GSYN_RCV0); break;
1881 case E1CLK_RECEIVE_CHAN1: ce_set_gsyn (c, GSYN_RCV1); break;
1882 }
1883 CE_UNLOCK (bd);
1884 splx (s);
1885 return 0;
1886
1887#if 0
1888 case SERIAL_RESET:
1889 CE_DEBUG2 (d, ("ioctl: reset\n"));
1890 /* Only for superuser! */
1891#if __FreeBSD_version < 500000
1892 error = suser (p);
1893#elif __FreeBSD_version < 700000
1894 error = suser (td);
1895#else
1896 error = priv_check (td, PRIV_DRIVER);
1897#endif
1898 if (error)
1899 return error;
1900 s = splimp ();
1901 CE_LOCK (bd);
1902/* ce_reset (c->board, 0, 0);*/
1903 CE_UNLOCK (bd);
1904 splx (s);
1905 return 0;
1906
1907 case SERIAL_HARDRESET:
1908 CE_DEBUG2 (d, ("ioctl: hardreset\n"));
1909 /* Only for superuser! */
1910#if __FreeBSD_version < 500000
1911 error = suser (p);
1912#elif __FreeBSD_version < 700000
1913 error = suser (td);
1914#else
1915 error = priv_check (td, PRIV_DRIVER);
1916#endif
1917 if (error)
1918 return error;
1919 s = splimp ();
1920 CE_LOCK (bd);
1921 /* hard_reset (c->board); */
1922 CE_UNLOCK (bd);
1923 splx (s);
1924 return 0;
1925#endif
1926
1927 case SERIAL_GETCABLE:
1928 CE_DEBUG2 (d, ("ioctl: getcable\n"));
1929 if (c->type != T_E1)
1930 return EINVAL;
1931 s = splimp ();
1932 CE_LOCK (bd);
1933 *(int*)data = CABLE_TP;
1934 CE_UNLOCK (bd);
1935 splx (s);
1936 return 0;
1937
1938 case SERIAL_GETDIR:
1939 CE_DEBUG2 (d, ("ioctl: getdir\n"));
1940 if (c->type != T_E1 && c->type != T_DATA)
1941 return EINVAL;
1942 *(int*)data = c->dir;
1943 return 0;
1944
1945 case SERIAL_SETDIR:
1946 CE_DEBUG2 (d, ("ioctl: setdir\n"));
1947 /* Only for superuser! */
1948#if __FreeBSD_version < 500000
1949 error = suser (p);
1950#elif __FreeBSD_version < 700000
1951 error = suser (td);
1952#else
1953 error = priv_check (td, PRIV_DRIVER);
1954#endif
1955 if (error)
1956 return error;
1957 s = splimp ();
1958 CE_LOCK (bd);
1959 ce_set_dir (c, *(int*)data);
1960 CE_UNLOCK (bd);
1961 splx (s);
1962 return 0;
1963
1964 case TIOCSDTR: /* Set DTR */
1965 s = splimp ();
1966 CE_LOCK (bd);
1967 ce_set_dtr (c, 1);
1968 CE_UNLOCK (bd);
1969 splx (s);
1970 return 0;
1971
1972 case TIOCCDTR: /* Clear DTR */
1973 s = splimp ();
1974 CE_LOCK (bd);
1975 ce_set_dtr (c, 0);
1976 CE_UNLOCK (bd);
1977 splx (s);
1978 return 0;
1979
1980 case TIOCMSET: /* Set DTR/RTS */
1981 s = splimp ();
1982 CE_LOCK (bd);
1983 ce_set_dtr (c, (*(int*)data & TIOCM_DTR) ? 1 : 0);
1984 ce_set_rts (c, (*(int*)data & TIOCM_RTS) ? 1 : 0);
1985 CE_UNLOCK (bd);
1986 splx (s);
1987 return 0;
1988
1989 case TIOCMBIS: /* Add DTR/RTS */
1990 s = splimp ();
1991 CE_LOCK (bd);
1992 if (*(int*)data & TIOCM_DTR) ce_set_dtr (c, 1);
1993 if (*(int*)data & TIOCM_RTS) ce_set_rts (c, 1);
1994 CE_UNLOCK (bd);
1995 splx (s);
1996 return 0;
1997
1998 case TIOCMBIC: /* Clear DTR/RTS */
1999 s = splimp ();
2000 CE_LOCK (bd);
2001 if (*(int*)data & TIOCM_DTR) ce_set_dtr (c, 0);
2002 if (*(int*)data & TIOCM_RTS) ce_set_rts (c, 0);
2003 CE_UNLOCK (bd);
2004 splx (s);
2005 return 0;
2006
2007 case TIOCMGET: /* Get modem status */
2008 *(int*)data = ce_modem_status (c);
2009 return 0;
2010 }
2011 return ENOTTY;
2012}
2013
2014#ifdef NETGRAPH
2015#if __FreeBSD_version >= 500000
2016static int ng_ce_constructor (node_p node)
2017{
2018 drv_t *d = NG_NODE_PRIVATE (node);
2019#else
2020static int ng_ce_constructor (node_p *node)
2021{
2022 drv_t *d = (*node)->private;
2023#endif
2024 CE_DEBUG (d, ("Constructor\n"));
2025 return EINVAL;
2026}
2027
2028static int ng_ce_newhook (node_p node, hook_p hook, const char *name)
2029{
2030 int s;
2031#if __FreeBSD_version >= 500000
2032 drv_t *d = NG_NODE_PRIVATE (node);
2033#else
2034 drv_t *d = node->private;
2035#endif
2036 bdrv_t *bd = d->board->sys;
2037
2038 CE_DEBUG (d, ("Newhook\n"));
2039 /* Attach debug hook */
2040 if (strcmp (name, NG_CE_HOOK_DEBUG) == 0) {
2041#if __FreeBSD_version >= 500000
2042 NG_HOOK_SET_PRIVATE (hook, NULL);
2043#else
2044 hook->private = 0;
2045#endif
2046 d->debug_hook = hook;
2047 return 0;
2048 }
2049
2050 /* Check for raw hook */
2051 if (strcmp (name, NG_CE_HOOK_RAW) != 0)
2052 return EINVAL;
2053
2054#if __FreeBSD_version >= 500000
2055 NG_HOOK_SET_PRIVATE (hook, d);
2056#else
2057 hook->private = d;
2058#endif
2059 d->hook = hook;
2060 s = splimp ();
2061 CE_LOCK (bd);
2062 ce_up (d);
2063 CE_UNLOCK (bd);
2064 splx (s);
2065 return 0;
2066}
2067
2068static char *format_timeslots (u_long s)
2069{
2070 static char buf [100];
2071 char *p = buf;
2072 int i;
2073
2074 for (i=1; i<32; ++i)
2075 if ((s >> i) & 1) {
2076 int prev = (i > 1) & (s >> (i-1));
2077 int next = (i < 31) & (s >> (i+1));
2078
2079 if (prev) {
2080 if (next)
2081 continue;
2082 *p++ = '-';
2083 } else if (p > buf)
2084 *p++ = ',';
2085
2086 if (i >= 10)
2087 *p++ = '0' + i / 10;
2088 *p++ = '0' + i % 10;
2089 }
2090 *p = 0;
2091 return buf;
2092}
2093
2094static int print_modems (char *s, ce_chan_t *c, int need_header)
2095{
2096 int status = ce_modem_status (c);
2097 int length = 0;
2098
2099 if (need_header)
2100 length += sprintf (s + length, " LE DTR DSR RTS CTS CD\n");
2101 length += sprintf (s + length, "%4s %4s %4s %4s %4s %4s\n",
2102 status & TIOCM_LE ? "On" : "-",
2103 status & TIOCM_DTR ? "On" : "-",
2104 status & TIOCM_DSR ? "On" : "-",
2105 status & TIOCM_RTS ? "On" : "-",
2106 status & TIOCM_CTS ? "On" : "-",
2107 status & TIOCM_CD ? "On" : "-");
2108 return length;
2109}
2110
2111static int print_stats (char *s, ce_chan_t *c, int need_header)
2112{
2113 int length = 0;
2114
2115 if (need_header)
2116 length += sprintf (s + length, " Rintr Tintr Mintr Ibytes Ipkts Ierrs Obytes Opkts Oerrs\n");
2117 length += sprintf (s + length, "%7ld %7ld %7ld %8lu %7ld %7ld %8lu %7ld %7ld\n",
2118 c->rintr, c->tintr, 0l, (unsigned long) c->ibytes,
2119 c->ipkts, c->overrun + c->frame + c->crc,
2120 (unsigned long) c->obytes, c->opkts, c->underrun);
2121 return length;
2122}
2123
2124static char *format_e1_status (u_char status)
2125{
2126 static char buf [80];
2127
2128 if (status & E1_NOALARM)
2129 return "Ok";
2130 buf[0] = 0;
2131 if (status & E1_LOS) strcat (buf, ",LOS");
2132 if (status & E1_AIS) strcat (buf, ",AIS");
2133 if (status & E1_LOF) strcat (buf, ",LOF");
2134 if (status & E1_LOMF) strcat (buf, ",LOMF");
2135 if (status & E1_FARLOF) strcat (buf, ",FARLOF");
2136 if (status & E1_AIS16) strcat (buf, ",AIS16");
2137 if (status & E1_FARLOMF) strcat (buf, ",FARLOMF");
2138 if (status & E1_TSTREQ) strcat (buf, ",TSTREQ");
2139 if (status & E1_TSTERR) strcat (buf, ",TSTERR");
2140 if (buf[0] == ',')
2141 return buf+1;
2142 return "Unknown";
2143}
2144
2145static int print_frac (char *s, int leftalign, u_long numerator, u_long divider)
2146{
2147 int n, length = 0;
2148
2149 if (numerator < 1 || divider < 1) {
2150 length += sprintf (s+length, leftalign ? "/- " : " -");
2151 return length;
2152 }
2153 n = (int) (0.5 + 1000.0 * numerator / divider);
2154 if (n < 1000) {
2155 length += sprintf (s+length, leftalign ? "/.%-3d" : " .%03d", n);
2156 return length;
2157 }
2158 *(s + length) = leftalign ? '/' : ' ';
2159 length ++;
2160
2161 if (n >= 1000000) n = (n+500) / 1000 * 1000;
2162 else if (n >= 100000) n = (n+50) / 100 * 100;
2163 else if (n >= 10000) n = (n+5) / 10 * 10;
2164
2165 switch (n) {
2166 case 1000: length += printf (s+length, ".999"); return length;
2167 case 10000: n = 9990; break;
2168 case 100000: n = 99900; break;
2169 case 1000000: n = 999000; break;
2170 }
2171 if (n < 10000) length += sprintf (s+length, "%d.%d", n/1000, n/10%100);
2172 else if (n < 100000) length += sprintf (s+length, "%d.%d", n/1000, n/100%10);
2173 else if (n < 1000000) length += sprintf (s+length, "%d.", n/1000);
2174 else length += sprintf (s+length, "%d", n/1000);
2175
2176 return length;
2177}
2178
2179static int print_e1_stats (char *s, ce_chan_t *c)
2180{
2181 struct e1_counters total;
2182 u_long totsec;
2183 int length = 0;
2184
2185 totsec = c->totsec + c->cursec;
2186 total.bpv = c->total.bpv + c->currnt.bpv;
2187 total.fse = c->total.fse + c->currnt.fse;
2188 total.crce = c->total.crce + c->currnt.crce;
2189 total.rcrce = c->total.rcrce + c->currnt.rcrce;
2190 total.uas = c->total.uas + c->currnt.uas;
2191 total.les = c->total.les + c->currnt.les;
2192 total.es = c->total.es + c->currnt.es;
2193 total.bes = c->total.bes + c->currnt.bes;
2194 total.ses = c->total.ses + c->currnt.ses;
2195 total.oofs = c->total.oofs + c->currnt.oofs;
2196 total.css = c->total.css + c->currnt.css;
2197 total.dm = c->total.dm + c->currnt.dm;
2198
2199 length += sprintf (s + length, " Unav/Degr Bpv/Fsyn CRC/RCRC Err/Lerr Sev/Bur Oof/Slp Status\n");
2200
2201 /* Unavailable seconds, degraded minutes */
2202 length += print_frac (s + length, 0, c->currnt.uas, c->cursec);
2203 length += print_frac (s + length, 1, 60 * c->currnt.dm, c->cursec);
2204
2205 /* Bipolar violations, frame sync errors */
2206 length += print_frac (s + length, 0, c->currnt.bpv, c->cursec);
2207 length += print_frac (s + length, 1, c->currnt.fse, c->cursec);
2208
2209 /* CRC errors, remote CRC errors (E-bit) */
2210 length += print_frac (s + length, 0, c->currnt.crce, c->cursec);
2211 length += print_frac (s + length, 1, c->currnt.rcrce, c->cursec);
2212
2213 /* Errored seconds, line errored seconds */
2214 length += print_frac (s + length, 0, c->currnt.es, c->cursec);
2215 length += print_frac (s + length, 1, c->currnt.les, c->cursec);
2216
2217 /* Severely errored seconds, burst errored seconds */
2218 length += print_frac (s + length, 0, c->currnt.ses, c->cursec);
2219 length += print_frac (s + length, 1, c->currnt.bes, c->cursec);
2220
2221 /* Out of frame seconds, controlled slip seconds */
2222 length += print_frac (s + length, 0, c->currnt.oofs, c->cursec);
2223 length += print_frac (s + length, 1, c->currnt.css, c->cursec);
2224
2225 length += sprintf (s + length, " %s\n", format_e1_status (c->status));
2226
2227 /* Print total statistics. */
2228 length += print_frac (s + length, 0, total.uas, totsec);
2229 length += print_frac (s + length, 1, 60 * total.dm, totsec);
2230
2231 length += print_frac (s + length, 0, total.bpv, totsec);
2232 length += print_frac (s + length, 1, total.fse, totsec);
2233
2234 length += print_frac (s + length, 0, total.crce, totsec);
2235 length += print_frac (s + length, 1, total.rcrce, totsec);
2236
2237 length += print_frac (s + length, 0, total.es, totsec);
2238 length += print_frac (s + length, 1, total.les, totsec);
2239
2240 length += print_frac (s + length, 0, total.ses, totsec);
2241 length += print_frac (s + length, 1, total.bes, totsec);
2242
2243 length += print_frac (s + length, 0, total.oofs, totsec);
2244 length += print_frac (s + length, 1, total.css, totsec);
2245
2246 length += sprintf (s + length, " -- Total\n");
2247 return length;
2248}
2249
2250static int print_chan (char *s, ce_chan_t *c)
2251{
2252 drv_t *d = c->sys;
2253 int length = 0;
2254
2255 length += sprintf (s + length, "ce%d", c->board->num * NCHAN + c->num);
2256 if (d->chan->debug)
2257 length += sprintf (s + length, " debug=%d", d->chan->debug);
2258
2259 if (c->board->mux) {
2260 length += sprintf (s + length, " cfg=C");
2261 } else {
2262 length += sprintf (s + length, " cfg=A");
2263 }
2264
2265 if (c->baud)
2266 length += sprintf (s + length, " %ld", c->baud);
2267 else
2268 length += sprintf (s + length, " extclock");
2269
2270 if (c->type == T_E1)
2271 switch (c->gsyn) {
2272 case GSYN_INT : length += sprintf (s + length, " syn=int"); break;
2273 case GSYN_RCV : length += sprintf (s + length, " syn=rcv"); break;
2274 case GSYN_RCV0 : length += sprintf (s + length, " syn=rcv0"); break;
2275 case GSYN_RCV1 : length += sprintf (s + length, " syn=rcv1"); break;
2276 }
2277 if (c->type == T_E1)
2278 length += sprintf (s + length, " higain=%s", c->higain ? "on" : "off");
2279
2280 length += sprintf (s + length, " loop=%s", c->lloop ? "on" : "off");
2281
2282 if (c->type == T_E1)
2283 length += sprintf (s + length, " ts=%s", format_timeslots (c->ts));
2284 length += sprintf (s + length, "\n");
2285 return length;
2286}
2287
2288#if __FreeBSD_version >= 500000
2289static int ng_ce_rcvmsg (node_p node, item_p item, hook_p lasthook)
2290{
2291 drv_t *d = NG_NODE_PRIVATE (node);
2292 struct ng_mesg *msg;
2293#else
2294static int ng_ce_rcvmsg (node_p node, struct ng_mesg *msg,
2295 const char *retaddr, struct ng_mesg **rptr)
2296{
2297 drv_t *d = node->private;
2298#endif
2299 struct ng_mesg *resp = NULL;
2300 int error = 0;
2301
2302 CE_DEBUG (d, ("Rcvmsg\n"));
2303#if __FreeBSD_version >= 500000
2304 NGI_GET_MSG (item, msg);
2305#endif
2306 switch (msg->header.typecookie) {
2307 default:
2308 error = EINVAL;
2309 break;
2310
2311 case NGM_CE_COOKIE:
2312 printf ("Not implemented yet\n");
2313 error = EINVAL;
2314 break;
2315
2316 case NGM_GENERIC_COOKIE:
2317 switch (msg->header.cmd) {
2318 default:
2319 error = EINVAL;
2320 break;
2321
2322 case NGM_TEXT_STATUS: {
2323 char *s;
2324 int l = 0;
2325 int dl = sizeof (struct ng_mesg) + 730;
2326
2327#if __FreeBSD_version >= 500000
2328 NG_MKRESPONSE (resp, msg, dl, M_NOWAIT);
2329 if (! resp) {
2330 error = ENOMEM;
2331 break;
2332 }
2333#else
2334 resp = malloc (M_NETGRAPH, M_NOWAIT);
2335 if (! resp) {
2336 error = ENOMEM;
2337 break;
2338 }
2339 bzero (resp, dl);
2340#endif
2341 s = (resp)->data;
2342 if (d) {
2343 l += print_chan (s + l, d->chan);
2344 l += print_stats (s + l, d->chan, 1);
2345 l += print_modems (s + l, d->chan, 1);
2346 l += print_e1_stats (s + l, d->chan);
2347 } else
2348 l += sprintf (s + l, "Error: node not connect to channel");
2349#if __FreeBSD_version < 500000
2350 (resp)->header.version = NG_VERSION;
2351 (resp)->header.arglen = strlen (s) + 1;
2352 (resp)->header.token = msg->header.token;
2353 (resp)->header.typecookie = NGM_CE_COOKIE;
2354 (resp)->header.cmd = msg->header.cmd;
2355#endif
2356 strncpy ((resp)->header.cmdstr, "status", NG_CMDSTRSIZ);
2357 }
2358 break;
2359 }
2360 break;
2361 }
2362#if __FreeBSD_version >= 500000
2363 NG_RESPOND_MSG (error, node, item, resp);
2364 NG_FREE_MSG (msg);
2365#else
2366 *rptr = resp;
2367 free (msg, M_NETGRAPH);
2368#endif
2369 return error;
2370}
2371
2372#if __FreeBSD_version >= 500000
2373static int ng_ce_rcvdata (hook_p hook, item_p item)
2374{
2375 drv_t *d = NG_NODE_PRIVATE (NG_HOOK_NODE(hook));
2376 struct mbuf *m;
2377#if __FreeBSD_version < 502120
2378 meta_p meta;
2379#else
2380 struct ng_tag_prio *ptag;
2381#endif
2382#else
2383static int ng_ce_rcvdata (hook_p hook, struct mbuf *m, meta_p meta)
2384{
2385 drv_t *d = hook->node->private;
2386#endif
2387 bdrv_t *bd = d->board->sys;
2388 struct ifqueue *q;
2389 int s;
2390
2391 CE_DEBUG2 (d, ("Rcvdata\n"));
2392#if __FreeBSD_version >= 500000
2393 NGI_GET_M (item, m);
2394#if __FreeBSD_version < 502120
2395 NGI_GET_META (item, meta);
2396#endif
2397 NG_FREE_ITEM (item);
2398 if (! NG_HOOK_PRIVATE (hook) || ! d) {
2399 NG_FREE_M (m);
2400#if __FreeBSD_version < 502120
2401 NG_FREE_META (meta);
2402#endif
2403#else
2404 if (! hook->private || ! d) {
2405 NG_FREE_DATA (m,meta);
2406#endif
2407 return ENETDOWN;
2408 }
2409
2410#if __FreeBSD_version >= 502120
2411 /* Check for high priority data */
2412 if ((ptag = (struct ng_tag_prio *)m_tag_locate(m, NGM_GENERIC_COOKIE,
2413 NG_TAG_PRIO, NULL)) != NULL && (ptag->priority > NG_PRIO_CUTOFF) )
2414 q = &d->hi_queue;
2415 else
2416 q = &d->queue;
2417#else
2418 q = (meta && meta->priority > 0) ? &d->hi_queue : &d->queue;
2419#endif
2420
2421 s = splimp ();
2422 CE_LOCK (bd);
2423#if __FreeBSD_version >= 500000
2424 IF_LOCK (q);
2425 if (_IF_QFULL (q)) {
2426 _IF_DROP (q);
2427 IF_UNLOCK (q);
2428 CE_UNLOCK (bd);
2429 splx (s);
2430 NG_FREE_M (m);
2431#if __FreeBSD_version < 502120
2432 NG_FREE_META (meta);
2433#endif
2434 return ENOBUFS;
2435 }
2436 _IF_ENQUEUE (q, m);
2437 IF_UNLOCK (q);
2438#else
2439 if (IF_QFULL (q)) {
2440 IF_DROP (q);
2441 CE_UNLOCK (bd);
2442 splx (s);
2443 NG_FREE_DATA (m, meta);
2444 return ENOBUFS;
2445 }
2446 IF_ENQUEUE (q, m);
2447#endif
2448 ce_start (d);
2449 CE_UNLOCK (bd);
2450 splx (s);
2451 return 0;
2452}
2453
2454static int ng_ce_rmnode (node_p node)
2455{
2456#if __FreeBSD_version >= 500000
2457 drv_t *d = NG_NODE_PRIVATE (node);
2458
2459 CE_DEBUG (d, ("Rmnode\n"));
2460 if (d && d->running) {
2461 bdrv_t *bd = d->board->sys;
2462 int s = splimp ();
2463 CE_LOCK (bd);
2464 ce_down (d);
2465 CE_UNLOCK (bd);
2466 splx (s);
2467 }
2468#ifdef KLD_MODULE
2469#if __FreeBSD_version >= 502120
2470 if (node->nd_flags & NGF_REALLY_DIE) {
2471#else
2472 if (node->nd_flags & NG_REALLY_DIE) {
2473#endif
2474 NG_NODE_SET_PRIVATE (node, NULL);
2475 NG_NODE_UNREF (node);
2476 }
2477#if __FreeBSD_version >= 502120
2478 NG_NODE_REVIVE(node); /* Persistant node */
2479#else
2480 node->nd_flags &= ~NG_INVALID;
2481#endif
2482#endif
2483#else /* __FreeBSD_version < 500000 */
2484 drv_t *d = node->private;
2485
2486 if (d && d->running) {
2487 bdrv_t *bd = d->board->sys;
2488 int s = splimp ();
2489 CE_LOCK (bd);
2490 ce_down (d);
2491 CE_UNLOCK (bd);
2492 splx (s);
2493 }
2494
2495 node->flags |= NG_INVALID;
2496 ng_cutlinks (node);
2497#ifdef KLD_MODULE
2498 ng_unname (node);
2499 ng_unref (node);
2500#endif
2501#endif
2502 return 0;
2503}
2504
2505static int ng_ce_connect (hook_p hook)
2506{
2507#if __FreeBSD_version >= 500000
2508 drv_t *d = NG_NODE_PRIVATE (NG_HOOK_NODE (hook));
2509#else
2510 drv_t *d = hook->node->private;
2511#endif
2512
2513 if (d) {
2514 CE_DEBUG (d, ("Connect\n"));
2515 callout_reset (&d->timeout_handle, hz, ce_watchdog_timer, d);
2516 }
2517
2518 return 0;
2519}
2520
2521static int ng_ce_disconnect (hook_p hook)
2522{
2523#if __FreeBSD_version >= 500000
2524 drv_t *d = NG_NODE_PRIVATE (NG_HOOK_NODE (hook));
2525#else
2526 drv_t *d = hook->node->private;
2527#endif
2528
2529 if (d) {
2530 CE_DEBUG (d, ("Disconnect\n"));
2531#if __FreeBSD_version >= 500000
2532 if (NG_HOOK_PRIVATE (hook))
2533#else
2534 if (hook->private)
2535#endif
2536 {
2537 bdrv_t *bd = d->board->sys;
2538 int s = splimp ();
2539 CE_LOCK (bd);
2540 ce_down (d);
2541 CE_UNLOCK (bd);
2542 splx (s);
2543 }
2544 /* If we were wait it than it reasserted now, just stop it. */
2545 if (!callout_drain (&d->timeout_handle))
2546 callout_stop (&d->timeout_handle);
2547 }
2548 return 0;
2549}
2550#endif
2551
2552static int ce_modevent (module_t mod, int type, void *unused)
2553{
2554#if __FreeBSD_version < 500000
2555 dev_t dev;
2556 struct cdevsw *cdsw;
2557#endif
2558 static int load_count = 0;
2559
2560#if __FreeBSD_version < 500000
2561 dev = makedev (CDEV_MAJOR, 0);
2562#endif
2563
2564 switch (type) {
2565 case MOD_LOAD:
2566#if __FreeBSD_version < 500000
2567 if (dev != NODEV &&
2568 (cdsw = devsw (dev)) &&
2569 cdsw->d_maj == CDEV_MAJOR) {
2570 printf ("Tau32-PCI driver is already in system\n");
2571 return (ENXIO);
2572 }
2573#endif
2574#if __FreeBSD_version >= 500000 && defined NETGRAPH
2575 if (ng_newtype (&typestruct))
2576 printf ("Failed to register ng_ce\n");
2577#endif
2578 ++load_count;
2579#if __FreeBSD_version <= 500000
2580 cdevsw_add (&ce_cdevsw);
2581#endif
2582#if __FreeBSD_version >= 500000
2583 callout_init (&timeout_handle, CALLOUT_MPSAFE);
2584#else
2585 callout_init (&timeout_handle);
2586#endif
2587 callout_reset (&timeout_handle, hz*5, ce_timeout, 0);
2588 break;
2589 case MOD_UNLOAD:
2590 if (load_count == 1) {
2591 printf ("Removing device entry for Tau32-PCI\n");
2592#if __FreeBSD_version <= 500000
2593 cdevsw_remove (&ce_cdevsw);
2594#endif
2595#if __FreeBSD_version >= 500000 && defined NETGRAPH
2596 ng_rmtype (&typestruct);
2597#endif
2598 }
2599 /* If we were wait it than it reasserted now, just stop it.
2600 * Actually we shouldn't get this condition. But code could be
2601 * changed in the future, so just be a litle paranoid.
2602 */
2603 if (!callout_drain (&timeout_handle))
2604 callout_stop (&timeout_handle);
2605 --load_count;
2606 break;
2607 case MOD_SHUTDOWN:
2608 break;
2609 }
2610 return 0;
2611}
2612
2613#ifdef NETGRAPH
2614#if __FreeBSD_version >= 502100
2615static struct ng_type typestruct = {
2616 .version = NG_ABI_VERSION,
2617 .name = NG_CE_NODE_TYPE,
2618 .constructor = ng_ce_constructor,
2619 .rcvmsg = ng_ce_rcvmsg,
2620 .shutdown = ng_ce_rmnode,
2621 .newhook = ng_ce_newhook,
2622 .connect = ng_ce_connect,
2623 .rcvdata = ng_ce_rcvdata,
2624 .disconnect = ng_ce_disconnect,
2625};
2626#else /* __FreeBSD_version < 502100 */
2627static struct ng_type typestruct = {
2628#if __FreeBSD_version >= 500000
2629 NG_ABI_VERSION,
2630#else
2631 NG_VERSION,
2632#endif
2633 NG_CE_NODE_TYPE,
2634 ce_modevent,
2635 ng_ce_constructor,
2636 ng_ce_rcvmsg,
2637 ng_ce_rmnode,
2638 ng_ce_newhook,
2639 NULL,
2640 ng_ce_connect,
2641 ng_ce_rcvdata,
2642#if __FreeBSD_version < 500000
2643 NULL,
2644#endif
2645 ng_ce_disconnect,
2646 NULL
2647};
2648#endif /* __FreeBSD_version < 502100 */
2649
2650#endif /*NETGRAPH*/
2651
2652#if __FreeBSD_version >= 500000
2653#ifdef NETGRAPH
2654MODULE_DEPEND (ng_ce, netgraph, NG_ABI_VERSION, NG_ABI_VERSION, NG_ABI_VERSION);
2655#else
2656MODULE_DEPEND (ce, sppp, 1, 1, 1);
2657#endif
2658#ifdef KLD_MODULE
2659DRIVER_MODULE (cemod, pci, ce_driver, ce_devclass, ce_modevent, NULL);
2660#else
2661DRIVER_MODULE (ce, pci, ce_driver, ce_devclass, ce_modevent, NULL);
2662#endif
2663#else /* if __FreeBSD_version < 500000*/
2664#ifdef NETGRAPH
2665DRIVER_MODULE (ce, pci, ce_driver, ce_devclass, ng_mod_event, &typestruct);
2666#else
2667DRIVER_MODULE (ce, pci, ce_driver, ce_devclass, ce_modevent, NULL);
2668#endif
2669#endif /* __FreeBSD_version < 500000 */
2670#endif /* NPCI */
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