1/*-
2 * Cronyx-Tau-PCI adapter driver for FreeBSD.
3 * Supports PPP/HDLC, Cisco/HDLC and FrameRelay protocol in synchronous mode,
4 * and asyncronous channels with full modem control.
5 * Keepalive protocol implemented in both Cisco and PPP modes.
6 *
7 * Copyright (C) 1999-2004 Cronyx Engineering.
8 * Author: Kurakin Roman, <rik@cronyx.ru>
9 *
10 * Copyright (C) 1999-2002 Cronyx Engineering.
11 * Author: Serge Vakulenko, <vak@cronyx.ru>
12 *
13 * This software is distributed with NO WARRANTIES, not even the implied
14 * warranties for MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
15 *
16 * Authors grant any other persons or organisations a permission to use,
17 * modify and redistribute this software in source and binary forms,
18 * as long as this message is kept with the software, all derivative
19 * works or modified versions.
20 *
21 * Cronyx Id: if_cp.c,v 1.1.2.41 2004/06/23 17:09:13 rik Exp $
22 */
23
24#include <sys/cdefs.h>
25__FBSDID("$FreeBSD: head/sys/dev/cp/if_cp.c 246128 2013-01-30 18:01:20Z sbz $");
26
27#include <sys/param.h>
28#include <sys/ucred.h>
29#include <sys/proc.h>
30#include <sys/systm.h>
31#include <sys/mbuf.h>
32#include <sys/kernel.h>
33#include <sys/module.h>
34#include <sys/conf.h>
35#include <sys/malloc.h>
36#include <sys/priv.h>
37#include <sys/socket.h>
38#include <sys/sockio.h>
39#include <sys/sysctl.h>
40#include <sys/tty.h>
41#include <sys/bus.h>
42#include <vm/vm.h>
43#include <vm/pmap.h>
44#include <net/if.h>
45#include <dev/pci/pcivar.h>
46#include <dev/pci/pcireg.h>
47#include <machine/bus.h>
48#include <sys/rman.h>
49#include "opt_ng_cronyx.h"
50#ifdef NETGRAPH_CRONYX
51# include "opt_netgraph.h"
52# ifndef NETGRAPH
53# error #option NETGRAPH missed from configuration
54# endif
55# include <netgraph/ng_message.h>
56# include <netgraph/netgraph.h>
57# include <dev/cp/ng_cp.h>
58#else
59# include <net/if_sppp.h>
60# include <net/if_types.h>
61#include <dev/pci/pcivar.h>
62# define PP_CISCO IFF_LINK2
63# include <net/bpf.h>
64#endif
65#include <dev/cx/machdep.h>
66#include <dev/cp/cpddk.h>
67#include <machine/cserial.h>
68#include <machine/resource.h>
69#include <machine/pmap.h>
70
71/* If we don't have Cronyx's sppp version, we don't have fr support via sppp */
72#ifndef PP_FR
73#define PP_FR 0
74#endif
75
76#define CP_DEBUG(d,s) ({if (d->chan->debug) {\
77 printf ("%s: ", d->name); printf s;}})
78#define CP_DEBUG2(d,s) ({if (d->chan->debug>1) {\
79 printf ("%s: ", d->name); printf s;}})
80#define CP_LOCK_NAME "cpX"
81
82#define CP_LOCK(_bd) mtx_lock (&(_bd)->cp_mtx)
83#define CP_UNLOCK(_bd) mtx_unlock (&(_bd)->cp_mtx)
84#define CP_LOCK_ASSERT(_bd) mtx_assert (&(_bd)->cp_mtx, MA_OWNED)
85
86static int cp_probe __P((device_t));
87static int cp_attach __P((device_t));
88static int cp_detach __P((device_t));
89
90static device_method_t cp_methods[] = {
91 /* Device interface */
92 DEVMETHOD(device_probe, cp_probe),
93 DEVMETHOD(device_attach, cp_attach),
94 DEVMETHOD(device_detach, cp_detach),
95
96 DEVMETHOD_END
97};
98
99typedef struct _cp_dma_mem_t {
100 unsigned long phys;
101 void *virt;
102 size_t size;
103 bus_dma_tag_t dmat;
104 bus_dmamap_t mapp;
105} cp_dma_mem_t;
106
107typedef struct _drv_t {
108 char name [8];
109 int running;
110 cp_chan_t *chan;
111 cp_board_t *board;
112 cp_dma_mem_t dmamem;
113#ifdef NETGRAPH
114 char nodename [NG_NODESIZE];
115 hook_p hook;
116 hook_p debug_hook;
117 node_p node;
118 struct ifqueue queue;
119 struct ifqueue hi_queue;
120#else
121 struct ifqueue queue;
122 struct ifnet *ifp;
123#endif
124 short timeout;
125 struct callout timeout_handle;
126 struct cdev *devt;
127} drv_t;
128
129typedef struct _bdrv_t {
130 cp_board_t *board;
131 struct resource *cp_res;
132 struct resource *cp_irq;
133 void *cp_intrhand;
134 cp_dma_mem_t dmamem;
135 drv_t channel [NCHAN];
136 struct mtx cp_mtx;
137} bdrv_t;
138
139static driver_t cp_driver = {
140 "cp",
141 cp_methods,
142 sizeof(bdrv_t),
143};
144
145static devclass_t cp_devclass;
146
147static void cp_receive (cp_chan_t *c, unsigned char *data, int len);
148static void cp_transmit (cp_chan_t *c, void *attachment, int len);
149static void cp_error (cp_chan_t *c, int data);
150static void cp_up (drv_t *d);
151static void cp_start (drv_t *d);
152static void cp_down (drv_t *d);
153static void cp_watchdog (drv_t *d);
154static void cp_watchdog_timer (void *arg);
155#ifdef NETGRAPH
156extern struct ng_type typestruct;
157#else
158static void cp_ifstart (struct ifnet *ifp);
159static void cp_tlf (struct sppp *sp);
160static void cp_tls (struct sppp *sp);
161static int cp_sioctl (struct ifnet *ifp, u_long cmd, caddr_t data);
162static void cp_initialize (void *softc);
163#endif
164
165static cp_board_t *adapter [NBRD];
166static drv_t *channel [NBRD*NCHAN];
167static struct callout led_timo [NBRD];
168static struct callout timeout_handle;
169
170static int cp_destroy = 0;
171
172static int cp_open (struct cdev *dev, int oflags, int devtype, struct thread *td);
173static int cp_close (struct cdev *dev, int fflag, int devtype, struct thread *td);
174static int cp_ioctl (struct cdev *dev, u_long cmd, caddr_t data, int flag, struct thread *td);
175static struct cdevsw cp_cdevsw = {
176 .d_version = D_VERSION,
177 .d_open = cp_open,
178 .d_close = cp_close,
179 .d_ioctl = cp_ioctl,
180 .d_name = "cp",
181};
182
183/*
184 * Print the mbuf chain, for debug purposes only.
185 */
186static void printmbuf (struct mbuf *m)
187{
188 printf ("mbuf:");
189 for (; m; m=m->m_next) {
190 if (m->m_flags & M_PKTHDR)
191 printf (" HDR %d:", m->m_pkthdr.len);
192 if (m->m_flags & M_EXT)
193 printf (" EXT:");
194 printf (" %d", m->m_len);
195 }
196 printf ("\n");
197}
198
199/*
200 * Make an mbuf from data.
201 */
202static struct mbuf *makembuf (void *buf, unsigned len)
203{
204 struct mbuf *m;
205
206 MGETHDR (m, M_NOWAIT, MT_DATA);
207 if (! m)
208 return 0;
209 MCLGET (m, M_NOWAIT);
210 if (! (m->m_flags & M_EXT)) {
211 m_freem (m);
212 return 0;
213 }
214 m->m_pkthdr.len = m->m_len = len;
215 bcopy (buf, mtod (m, caddr_t), len);
216 return m;
217}
218
219static int cp_probe (device_t dev)
220{
221 if ((pci_get_vendor (dev) == cp_vendor_id) &&
222 (pci_get_device (dev) == cp_device_id)) {
223 device_set_desc (dev, "Cronyx-Tau-PCI serial adapter");
224 return BUS_PROBE_DEFAULT;
225 }
226 return ENXIO;
227}
228
229static void cp_timeout (void *arg)
230{
231 drv_t *d;
232 int s, i, k;
233
234 for (i = 0; i < NBRD; ++i) {
235 if (adapter[i] == NULL)
236 continue;
237 for (k = 0; k < NCHAN; ++k) {
238 s = splimp ();
239 if (cp_destroy) {
240 splx (s);
241 return;
242 }
243 d = channel[i * NCHAN + k];
244 if (!d) {
245 splx (s);
246 continue;
247 }
248 CP_LOCK ((bdrv_t *)d->board->sys);
249 switch (d->chan->type) {
250 case T_G703:
251 cp_g703_timer (d->chan);
252 break;
253 case T_E1:
254 cp_e1_timer (d->chan);
255 break;
256 case T_E3:
257 case T_T3:
258 case T_STS1:
259 cp_e3_timer (d->chan);
260 break;
261 default:
262 break;
263 }
264 CP_UNLOCK ((bdrv_t *)d->board->sys);
265 splx (s);
266 }
267 }
268 s = splimp ();
269 if (!cp_destroy)
270 callout_reset (&timeout_handle, hz, cp_timeout, 0);
271 splx (s);
272}
273
274static void cp_led_off (void *arg)
275{
276 cp_board_t *b = arg;
277 bdrv_t *bd = (bdrv_t *) b->sys;
278 int s;
279 s = splimp ();
280 if (cp_destroy) {
281 splx (s);
282 return;
283 }
284 CP_LOCK (bd);
285 cp_led (b, 0);
286 CP_UNLOCK (bd);
287 splx (s);
288}
289
290static void cp_intr (void *arg)
291{
292 bdrv_t *bd = arg;
293 cp_board_t *b = bd->board;
294#ifndef NETGRAPH
295 int i;
296#endif
297 int s = splimp ();
298 if (cp_destroy) {
299 splx (s);
300 return;
301 }
302 CP_LOCK (bd);
303 /* Check if we are ready */
304 if (b->sys == NULL) {
305 /* Not we are not, just cleanup. */
306 cp_interrupt_poll (b, 1);
307 CP_UNLOCK (bd);
308 return;
309 }
310 /* Turn LED on. */
311 cp_led (b, 1);
312
313 cp_interrupt (b);
314
315 /* Turn LED off 50 msec later. */
316 callout_reset (&led_timo[b->num], hz/20, cp_led_off, b);
317 CP_UNLOCK (bd);
318 splx (s);
319
320#ifndef NETGRAPH
321 /* Pass packets in a lock-free state */
322 for (i = 0; i < NCHAN && b->chan[i].type; i++) {
323 drv_t *d = b->chan[i].sys;
324 struct mbuf *m;
325 if (!d || !d->running)
326 continue;
327 while (_IF_QLEN(&d->queue)) {
328 IF_DEQUEUE (&d->queue,m);
329 if (!m)
330 continue;
331 sppp_input (d->ifp, m);
332 }
333 }
334#endif
335}
336
337static void
338cp_bus_dmamap_addr (void *arg, bus_dma_segment_t *segs, int nseg, int error)
339{
340 unsigned long *addr;
341
342 if (error)
343 return;
344
345 KASSERT(nseg == 1, ("too many DMA segments, %d should be 1", nseg));
346 addr = arg;
347 *addr = segs->ds_addr;
348}
349
350static int
351cp_bus_dma_mem_alloc (int bnum, int cnum, cp_dma_mem_t *dmem)
352{
353 int error;
354
355 error = bus_dma_tag_create (NULL, 16, 0, BUS_SPACE_MAXADDR_32BIT,
356 BUS_SPACE_MAXADDR, NULL, NULL, dmem->size, 1,
357 dmem->size, 0, NULL, NULL, &dmem->dmat);
358 if (error) {
359 if (cnum >= 0) printf ("cp%d-%d: ", bnum, cnum);
360 else printf ("cp%d: ", bnum);
361 printf ("couldn't allocate tag for dma memory\n");
362 return 0;
363 }
364 error = bus_dmamem_alloc (dmem->dmat, (void **)&dmem->virt,
365 BUS_DMA_NOWAIT | BUS_DMA_ZERO, &dmem->mapp);
366 if (error) {
367 if (cnum >= 0) printf ("cp%d-%d: ", bnum, cnum);
368 else printf ("cp%d: ", bnum);
369 printf ("couldn't allocate mem for dma memory\n");
370 bus_dma_tag_destroy (dmem->dmat);
371 return 0;
372 }
373 error = bus_dmamap_load (dmem->dmat, dmem->mapp, dmem->virt,
374 dmem->size, cp_bus_dmamap_addr, &dmem->phys, 0);
375 if (error) {
376 if (cnum >= 0) printf ("cp%d-%d: ", bnum, cnum);
377 else printf ("cp%d: ", bnum);
378 printf ("couldn't load mem map for dma memory\n");
379 bus_dmamem_free (dmem->dmat, dmem->virt, dmem->mapp);
380 bus_dma_tag_destroy (dmem->dmat);
381 return 0;
382 }
383 return 1;
384}
385
386static void
387cp_bus_dma_mem_free (cp_dma_mem_t *dmem)
388{
389 bus_dmamap_unload (dmem->dmat, dmem->mapp);
390 bus_dmamem_free (dmem->dmat, dmem->virt, dmem->mapp);
391 bus_dma_tag_destroy (dmem->dmat);
392}
393
394/*
395 * Called if the probe succeeded.
396 */
397static int cp_attach (device_t dev)
398{
399 bdrv_t *bd = device_get_softc (dev);
400 int unit = device_get_unit (dev);
401 char *cp_ln = CP_LOCK_NAME;
402 unsigned short res;
403 vm_offset_t vbase;
404 int rid, error;
405 cp_board_t *b;
406 cp_chan_t *c;
407 drv_t *d;
408 int s = splimp ();
409
410 b = malloc (sizeof(cp_board_t), M_DEVBUF, M_WAITOK);
411 if (!b) {
412 printf ("cp%d: couldn't allocate memory\n", unit);
413 splx (s);
414 return (ENXIO);
415 }
416 bzero (b, sizeof(cp_board_t));
417
418 bd->board = b;
419 rid = PCIR_BAR(0);
420 bd->cp_res = bus_alloc_resource (dev, SYS_RES_MEMORY, &rid,
421 0, ~0, 1, RF_ACTIVE);
422 if (! bd->cp_res) {
423 printf ("cp%d: cannot map memory\n", unit);
424 free (b, M_DEVBUF);
425 splx (s);
426 return (ENXIO);
427 }
428 vbase = (vm_offset_t) rman_get_virtual (bd->cp_res);
429
430 cp_ln[2] = '0' + unit;
431 mtx_init (&bd->cp_mtx, cp_ln, MTX_NETWORK_LOCK, MTX_DEF|MTX_RECURSE);
432 res = cp_init (b, unit, (u_char*) vbase);
433 if (res) {
434 printf ("cp%d: can't init, error code:%x\n", unit, res);
435 bus_release_resource (dev, SYS_RES_MEMORY, PCIR_BAR(0), bd->cp_res);
436 free (b, M_DEVBUF);
437 splx (s);
438 return (ENXIO);
439 }
440
441 bd->dmamem.size = sizeof(cp_qbuf_t);
442 if (! cp_bus_dma_mem_alloc (unit, -1, &bd->dmamem)) {
443 free (b, M_DEVBUF);
444 splx (s);
445 return (ENXIO);
446 }
447 CP_LOCK (bd);
448 cp_reset (b, bd->dmamem.virt, bd->dmamem.phys);
449 CP_UNLOCK (bd);
450
451 rid = 0;
452 bd->cp_irq = bus_alloc_resource (dev, SYS_RES_IRQ, &rid, 0, ~0, 1,
453 RF_SHAREABLE | RF_ACTIVE);
454 if (! bd->cp_irq) {
455 cp_destroy = 1;
456 printf ("cp%d: cannot map interrupt\n", unit);
457 bus_release_resource (dev, SYS_RES_MEMORY,
458 PCIR_BAR(0), bd->cp_res);
459 mtx_destroy (&bd->cp_mtx);
460 free (b, M_DEVBUF);
461 splx (s);
462 return (ENXIO);
463 }
464 callout_init (&led_timo[unit], CALLOUT_MPSAFE);
465 error = bus_setup_intr (dev, bd->cp_irq,
466 INTR_TYPE_NET|INTR_MPSAFE,
467 NULL, cp_intr, bd, &bd->cp_intrhand);
468 if (error) {
469 cp_destroy = 1;
470 printf ("cp%d: cannot set up irq\n", unit);
471 bus_release_resource (dev, SYS_RES_IRQ, 0, bd->cp_irq);
472 bus_release_resource (dev, SYS_RES_MEMORY,
473 PCIR_BAR(0), bd->cp_res);
474 mtx_destroy (&bd->cp_mtx);
475 free (b, M_DEVBUF);
476 splx (s);
477 return (ENXIO);
478 }
479 printf ("cp%d: %s, clock %ld MHz\n", unit, b->name, b->osc / 1000000);
480
481 for (c = b->chan; c < b->chan + NCHAN; ++c) {
482 if (! c->type)
483 continue;
484 d = &bd->channel[c->num];
485 d->dmamem.size = sizeof(cp_buf_t);
486 if (! cp_bus_dma_mem_alloc (unit, c->num, &d->dmamem))
487 continue;
488 channel [b->num*NCHAN + c->num] = d;
489 sprintf (d->name, "cp%d.%d", b->num, c->num);
490 d->board = b;
491 d->chan = c;
492 c->sys = d;
493 callout_init (&d->timeout_handle, CALLOUT_MPSAFE);
494#ifdef NETGRAPH
495 if (ng_make_node_common (&typestruct, &d->node) != 0) {
496 printf ("%s: cannot make common node\n", d->name);
497 d->node = NULL;
498 continue;
499 }
500 NG_NODE_SET_PRIVATE (d->node, d);
501 sprintf (d->nodename, "%s%d", NG_CP_NODE_TYPE,
502 c->board->num*NCHAN + c->num);
503 if (ng_name_node (d->node, d->nodename)) {
504 printf ("%s: cannot name node\n", d->nodename);
505 NG_NODE_UNREF (d->node);
506 continue;
507 }
508 d->queue.ifq_maxlen = ifqmaxlen;
509 d->hi_queue.ifq_maxlen = ifqmaxlen;
510 mtx_init (&d->queue.ifq_mtx, "cp_queue", NULL, MTX_DEF);
511 mtx_init (&d->hi_queue.ifq_mtx, "cp_queue_hi", NULL, MTX_DEF);
512#else /*NETGRAPH*/
513 d->ifp = if_alloc(IFT_PPP);
514 if (d->ifp == NULL) {
515 printf ("%s: cannot if_alloc() interface\n", d->name);
516 continue;
517 }
518 d->ifp->if_softc = d;
519 if_initname (d->ifp, "cp", b->num * NCHAN + c->num);
520 d->ifp->if_mtu = PP_MTU;
521 d->ifp->if_flags = IFF_POINTOPOINT | IFF_MULTICAST;
522 d->ifp->if_ioctl = cp_sioctl;
523 d->ifp->if_start = cp_ifstart;
524 d->ifp->if_init = cp_initialize;
525 d->queue.ifq_maxlen = NRBUF;
526 mtx_init (&d->queue.ifq_mtx, "cp_queue", NULL, MTX_DEF);
527 sppp_attach (d->ifp);
528 if_attach (d->ifp);
529 IFP2SP(d->ifp)->pp_tlf = cp_tlf;
530 IFP2SP(d->ifp)->pp_tls = cp_tls;
531 /* If BPF is in the kernel, call the attach for it.
532 * The header size of PPP or Cisco/HDLC is 4 bytes. */
533 bpfattach (d->ifp, DLT_PPP, 4);
534#endif /*NETGRAPH*/
535 cp_start_e1 (c);
536 cp_start_chan (c, 1, 1, d->dmamem.virt, d->dmamem.phys);
537
538 /* Register callback functions. */
539 cp_register_transmit (c, &cp_transmit);
540 cp_register_receive (c, &cp_receive);
541 cp_register_error (c, &cp_error);
542 d->devt = make_dev (&cp_cdevsw, b->num*NCHAN+c->num, UID_ROOT,
543 GID_WHEEL, 0600, "cp%d", b->num*NCHAN+c->num);
544 }
545 CP_LOCK (bd);
546 b->sys = bd;
547 adapter[unit] = b;
548 CP_UNLOCK (bd);
549 splx (s);
550 return 0;
551}
552
553static int cp_detach (device_t dev)
554{
555 bdrv_t *bd = device_get_softc (dev);
556 cp_board_t *b = bd->board;
557 cp_chan_t *c;
558 int s;
559
560 KASSERT (mtx_initialized (&bd->cp_mtx), ("cp mutex not initialized"));
561 s = splimp ();
562 CP_LOCK (bd);
563 /* Check if the device is busy (open). */
564 for (c = b->chan; c < b->chan + NCHAN; ++c) {
565 drv_t *d = (drv_t*) c->sys;
566
567 if (! d || ! d->chan->type)
568 continue;
569 if (d->running) {
570 CP_UNLOCK (bd);
571 splx (s);
572 return EBUSY;
573 }
574 }
575
576 /* Ok, we can unload driver */
577 /* At first we should stop all channels */
578 for (c = b->chan; c < b->chan + NCHAN; ++c) {
579 drv_t *d = (drv_t*) c->sys;
580
581 if (! d || ! d->chan->type)
582 continue;
583
584 cp_stop_chan (c);
585 cp_stop_e1 (c);
586 cp_set_dtr (d->chan, 0);
587 cp_set_rts (d->chan, 0);
588 }
589
590 /* Reset the adapter. */
591 cp_destroy = 1;
592 cp_interrupt_poll (b, 1);
593 cp_led_off (b);
594 cp_reset (b, 0 ,0);
595 callout_stop (&led_timo[b->num]);
596
597 /* Disable the interrupt request. */
598 bus_teardown_intr (dev, bd->cp_irq, bd->cp_intrhand);
599
600 for (c=b->chan; c<b->chan+NCHAN; ++c) {
601 drv_t *d = (drv_t*) c->sys;
602
603 if (! d || ! d->chan->type)
604 continue;
605 callout_stop (&d->timeout_handle);
606#ifndef NETGRAPH
607 /* Detach from the packet filter list of interfaces. */
608 bpfdetach (d->ifp);
609
610 /* Detach from the sync PPP list. */
611 sppp_detach (d->ifp);
612
613 /* Detach from the system list of interfaces. */
614 if_detach (d->ifp);
615 if_free (d->ifp);
616 IF_DRAIN (&d->queue);
617 mtx_destroy (&d->queue.ifq_mtx);
618#else
619 if (d->node) {
620 ng_rmnode_self (d->node);
621 NG_NODE_UNREF (d->node);
622 d->node = NULL;
623 }
624 mtx_destroy (&d->queue.ifq_mtx);
625 mtx_destroy (&d->hi_queue.ifq_mtx);
626#endif
627 destroy_dev (d->devt);
628 }
629
630 b->sys = NULL;
631 CP_UNLOCK (bd);
632
633 bus_release_resource (dev, SYS_RES_IRQ, 0, bd->cp_irq);
634 bus_release_resource (dev, SYS_RES_MEMORY, PCIR_BAR(0), bd->cp_res);
635
636 CP_LOCK (bd);
637 cp_led_off (b);
638 CP_UNLOCK (bd);
639 callout_drain (&led_timo[b->num]);
640 splx (s);
641
642 for (c = b->chan; c < b->chan + NCHAN; ++c) {
643 drv_t *d = (drv_t*) c->sys;
644
645 if (! d || ! d->chan->type)
646 continue;
647 callout_drain (&d->timeout_handle);
648 channel [b->num*NCHAN + c->num] = 0;
649 /* Deallocate buffers. */
650 cp_bus_dma_mem_free (&d->dmamem);
651 }
652 adapter [b->num] = 0;
653 cp_bus_dma_mem_free (&bd->dmamem);
654 free (b, M_DEVBUF);
655 mtx_destroy (&bd->cp_mtx);
656 return 0;
657}
658
659#ifndef NETGRAPH
660static void cp_ifstart (struct ifnet *ifp)
661{
662 drv_t *d = ifp->if_softc;
663 bdrv_t *bd = d->board->sys;
664
665 CP_LOCK (bd);
666 cp_start (d);
667 CP_UNLOCK (bd);
668}
669
670static void cp_tlf (struct sppp *sp)
671{
672 drv_t *d = SP2IFP(sp)->if_softc;
673
674 CP_DEBUG2 (d, ("cp_tlf\n"));
675 /* XXXRIK: Don't forget to protect them by LOCK, or kill them. */
676/* cp_set_dtr (d->chan, 0);*/
677/* cp_set_rts (d->chan, 0);*/
678 if (!(sp->pp_flags & PP_FR) && !(d->ifp->if_flags & PP_CISCO))
679 sp->pp_down (sp);
680}
681
682static void cp_tls (struct sppp *sp)
683{
684 drv_t *d = SP2IFP(sp)->if_softc;
685
686 CP_DEBUG2 (d, ("cp_tls\n"));
687 if (!(sp->pp_flags & PP_FR) && !(d->ifp->if_flags & PP_CISCO))
688 sp->pp_up (sp);
689}
690
691/*
692 * Process an ioctl request.
693 */
694static int cp_sioctl (struct ifnet *ifp, u_long cmd, caddr_t data)
695{
696 drv_t *d = ifp->if_softc;
697 bdrv_t *bd = d->board->sys;
698 int error, s, was_up, should_be_up;
699
700 was_up = (ifp->if_drv_flags & IFF_DRV_RUNNING) != 0;
701 error = sppp_ioctl (ifp, cmd, data);
702
703 if (error)
704 return error;
705
706 if (! (ifp->if_flags & IFF_DEBUG))
707 d->chan->debug = 0;
708 else
709 d->chan->debug = d->chan->debug_shadow;
710
711 switch (cmd) {
712 default: CP_DEBUG2 (d, ("ioctl 0x%lx\n", cmd)); return 0;
713 case SIOCADDMULTI: CP_DEBUG2 (d, ("ioctl SIOCADDMULTI\n")); return 0;
714 case SIOCDELMULTI: CP_DEBUG2 (d, ("ioctl SIOCDELMULTI\n")); return 0;
715 case SIOCSIFFLAGS: CP_DEBUG2 (d, ("ioctl SIOCSIFFLAGS\n")); break;
716 case SIOCSIFADDR: CP_DEBUG2 (d, ("ioctl SIOCSIFADDR\n")); break;
717 }
718
719 /* We get here only in case of SIFFLAGS or SIFADDR. */
720 s = splimp ();
721 CP_LOCK (bd);
722 should_be_up = (ifp->if_drv_flags & IFF_DRV_RUNNING) != 0;
723 if (! was_up && should_be_up) {
724 /* Interface goes up -- start it. */
725 cp_up (d);
726 cp_start (d);
727 } else if (was_up && ! should_be_up) {
728 /* Interface is going down -- stop it. */
729/* if ((IFP2SP(ifp)->pp_flags & PP_FR) || (ifp->if_flags & PP_CISCO))*/
730 cp_down (d);
731 }
732 CP_DEBUG (d, ("ioctl 0x%lx p4\n", cmd));
733 CP_UNLOCK (bd);
734 splx (s);
735 return 0;
736}
737
738/*
739 * Initialization of interface.
740 * It seems to be never called by upper level?
741 */
742static void cp_initialize (void *softc)
743{
744 drv_t *d = softc;
745
746 CP_DEBUG (d, ("cp_initialize\n"));
747}
748#endif /*NETGRAPH*/
749
750/*
751 * Stop the interface. Called on splimp().
752 */
753static void cp_down (drv_t *d)
754{
755 CP_DEBUG (d, ("cp_down\n"));
756 /* Interface is going down -- stop it. */
757 cp_set_dtr (d->chan, 0);
758 cp_set_rts (d->chan, 0);
759
760 d->running = 0;
761 callout_stop (&d->timeout_handle);
762}
763
764/*
765 * Start the interface. Called on splimp().
766 */
767static void cp_up (drv_t *d)
768{
769 CP_DEBUG (d, ("cp_up\n"));
770 cp_set_dtr (d->chan, 1);
771 cp_set_rts (d->chan, 1);
772 d->running = 1;
773}
774
775/*
776 * Start output on the interface. Get another datagram to send
777 * off of the interface queue, and copy it to the interface
778 * before starting the output.
779 */
780static void cp_send (drv_t *d)
781{
782 struct mbuf *m;
783 u_short len;
784
785 CP_DEBUG2 (d, ("cp_send, tn=%d te=%d\n", d->chan->tn, d->chan->te));
786
787 /* No output if the interface is down. */
788 if (! d->running)
789 return;
790
791 /* No output if the modem is off. */
792 if (! (d->chan->lloop || d->chan->type != T_SERIAL ||
793 cp_get_dsr (d->chan)))
794 return;
795
796 while (cp_transmit_space (d->chan)) {
797 /* Get the packet to send. */
798#ifdef NETGRAPH
799 IF_DEQUEUE (&d->hi_queue, m);
800 if (! m)
801 IF_DEQUEUE (&d->queue, m);
802#else
803 m = sppp_dequeue (d->ifp);
804#endif
805 if (! m)
806 return;
807#ifndef NETGRAPH
808 BPF_MTAP (d->ifp, m);
809#endif
810 len = m_length (m, NULL);
811 if (len >= BUFSZ)
812 printf ("%s: too long packet: %d bytes: ",
813 d->name, len);
814 else if (! m->m_next)
815 cp_send_packet (d->chan, (u_char*) mtod (m, caddr_t), len, 0);
816 else {
817 u_char *buf = d->chan->tbuf[d->chan->te];
818 m_copydata (m, 0, len, buf);
819 cp_send_packet (d->chan, buf, len, 0);
820 }
821 m_freem (m);
822 /* Set up transmit timeout, if the transmit ring is not empty.*/
823 d->timeout = 10;
824 }
825#ifndef NETGRAPH
826 d->ifp->if_drv_flags |= IFF_DRV_OACTIVE;
827#endif
828}
829
830/*
831 * Start output on the interface.
832 * Always called on splimp().
833 */
834static void cp_start (drv_t *d)
835{
836 if (d->running) {
837 if (! d->chan->dtr)
838 cp_set_dtr (d->chan, 1);
839 if (! d->chan->rts)
840 cp_set_rts (d->chan, 1);
841 cp_send (d);
842 callout_reset (&d->timeout_handle, hz, cp_watchdog_timer, d);
843 }
844}
845
846/*
847 * Handle transmit timeouts.
848 * Recover after lost transmit interrupts.
849 * Always called on splimp().
850 */
851static void cp_watchdog (drv_t *d)
852{
853 CP_DEBUG (d, ("device timeout\n"));
854 if (d->running) {
855 cp_stop_chan (d->chan);
856 cp_stop_e1 (d->chan);
857 cp_start_e1 (d->chan);
858 cp_start_chan (d->chan, 1, 1, 0, 0);
859 cp_set_dtr (d->chan, 1);
860 cp_set_rts (d->chan, 1);
861 cp_start (d);
862 }
863}
864
865static void cp_watchdog_timer (void *arg)
866{
867 drv_t *d = arg;
868 bdrv_t *bd = d->board->sys;
869
870 CP_LOCK (bd);
871 if (d->timeout == 1)
872 cp_watchdog (d);
873 if (d->timeout)
874 d->timeout--;
875 callout_reset (&d->timeout_handle, hz, cp_watchdog_timer, d);
876 CP_UNLOCK (bd);
877}
878
879static void cp_transmit (cp_chan_t *c, void *attachment, int len)
880{
881 drv_t *d = c->sys;
882
883 d->timeout = 0;
884#ifndef NETGRAPH
885 ++d->ifp->if_opackets;
886 d->ifp->if_drv_flags &= ~IFF_DRV_OACTIVE;
887#endif
888 cp_start (d);
889}
890
891static void cp_receive (cp_chan_t *c, unsigned char *data, int len)
892{
893 drv_t *d = c->sys;
894 struct mbuf *m;
895#ifdef NETGRAPH
896 int error;
897#endif
898
899 if (! d->running)
900 return;
901
902 m = makembuf (data, len);
903 if (! m) {
904 CP_DEBUG (d, ("no memory for packet\n"));
905#ifndef NETGRAPH
906 ++d->ifp->if_iqdrops;
907#endif
908 return;
909 }
910 if (c->debug > 1)
911 printmbuf (m);
912#ifdef NETGRAPH
913 m->m_pkthdr.rcvif = 0;
914 NG_SEND_DATA_ONLY (error, d->hook, m);
915#else
916 ++d->ifp->if_ipackets;
917 m->m_pkthdr.rcvif = d->ifp;
918 /* Check if there's a BPF listener on this interface.
919 * If so, hand off the raw packet to bpf. */
920 BPF_TAP (d->ifp, data, len);
921 IF_ENQUEUE (&d->queue, m);
922#endif
923}
924
925static void cp_error (cp_chan_t *c, int data)
926{
927 drv_t *d = c->sys;
928
929 switch (data) {
930 case CP_FRAME:
931 CP_DEBUG (d, ("frame error\n"));
932#ifndef NETGRAPH
933 ++d->ifp->if_ierrors;
934#endif
935 break;
936 case CP_CRC:
937 CP_DEBUG (d, ("crc error\n"));
938#ifndef NETGRAPH
939 ++d->ifp->if_ierrors;
940#endif
941 break;
942 case CP_OVERRUN:
943 CP_DEBUG (d, ("overrun error\n"));
944#ifndef NETGRAPH
945 ++d->ifp->if_collisions;
946 ++d->ifp->if_ierrors;
947#endif
948 break;
949 case CP_OVERFLOW:
950 CP_DEBUG (d, ("overflow error\n"));
951#ifndef NETGRAPH
952 ++d->ifp->if_ierrors;
953#endif
954 break;
955 case CP_UNDERRUN:
956 CP_DEBUG (d, ("underrun error\n"));
957 d->timeout = 0;
958#ifndef NETGRAPH
959 ++d->ifp->if_oerrors;
960 d->ifp->if_drv_flags &= ~IFF_DRV_OACTIVE;
961#endif
962 cp_start (d);
963 break;
964 default:
965 CP_DEBUG (d, ("error #%d\n", data));
966 break;
967 }
968}
969
970/*
971 * You also need read, write, open, close routines.
972 * This should get you started
973 */
974static int cp_open (struct cdev *dev, int oflags, int devtype, struct thread *td)
975{
976 int unit = dev2unit (dev);
977 drv_t *d;
978
979 if (unit >= NBRD*NCHAN || ! (d = channel[unit]))
980 return ENXIO;
981 CP_DEBUG2 (d, ("cp_open\n"));
982 return 0;
983}
984
985/*
986 * Only called on the LAST close.
987 */
988static int cp_close (struct cdev *dev, int fflag, int devtype, struct thread *td)
989{
990 drv_t *d = channel [dev2unit (dev)];
991
992 CP_DEBUG2 (d, ("cp_close\n"));
993 return 0;
994}
995
996static int cp_modem_status (cp_chan_t *c)
997{
998 drv_t *d = c->sys;
999 bdrv_t *bd = d->board->sys;
1000 int status, s;
1001
1002 status = d->running ? TIOCM_LE : 0;
1003 s = splimp ();
1004 CP_LOCK (bd);
1005 if (cp_get_cd (c)) status |= TIOCM_CD;
1006 if (cp_get_cts (c)) status |= TIOCM_CTS;
1007 if (cp_get_dsr (c)) status |= TIOCM_DSR;
1008 if (c->dtr) status |= TIOCM_DTR;
1009 if (c->rts) status |= TIOCM_RTS;
1010 CP_UNLOCK (bd);
1011 splx (s);
1012 return status;
1013}
1014
1015static int cp_ioctl (struct cdev *dev, u_long cmd, caddr_t data, int flag, struct thread *td)
1016{
1017 drv_t *d = channel [dev2unit (dev)];
1018 bdrv_t *bd = d->board->sys;
1019 cp_chan_t *c = d->chan;
1020 struct serial_statistics *st;
1021 struct e1_statistics *opte1;
1022 struct e3_statistics *opte3;
1023 int error, s;
1024 char mask[16];
1025
1026 switch (cmd) {
1027 case SERIAL_GETREGISTERED:
1028 CP_DEBUG2 (d, ("ioctl: getregistered\n"));
1029 bzero (mask, sizeof(mask));
1030 for (s=0; s<NBRD*NCHAN; ++s)
1031 if (channel [s])
1032 mask [s/8] |= 1 << (s & 7);
1033 bcopy (mask, data, sizeof (mask));
1034 return 0;
1035
1036#ifndef NETGRAPH
1037 case SERIAL_GETPROTO:
1038 CP_DEBUG2 (d, ("ioctl: getproto\n"));
1039 strcpy ((char*)data, (IFP2SP(d->ifp)->pp_flags & PP_FR) ? "fr" :
1040 (d->ifp->if_flags & PP_CISCO) ? "cisco" : "ppp");
1041 return 0;
1042
1043 case SERIAL_SETPROTO:
1044 CP_DEBUG2 (d, ("ioctl: setproto\n"));
1045 /* Only for superuser! */
1046 error = priv_check (td, PRIV_DRIVER);
1047 if (error)
1048 return error;
1049 if (d->ifp->if_drv_flags & IFF_DRV_RUNNING)
1050 return EBUSY;
1051 if (! strcmp ("cisco", (char*)data)) {
1052 IFP2SP(d->ifp)->pp_flags &= ~(PP_FR);
1053 IFP2SP(d->ifp)->pp_flags |= PP_KEEPALIVE;
1054 d->ifp->if_flags |= PP_CISCO;
1055#if PP_FR != 0
1056 } else if (! strcmp ("fr", (char*)data)) {
1057 d->ifp->if_flags &= ~(PP_CISCO);
1058 IFP2SP(d->ifp)->pp_flags |= PP_FR | PP_KEEPALIVE;
1059#endif
1060 } else if (! strcmp ("ppp", (char*)data)) {
1061 IFP2SP(d->ifp)->pp_flags &= ~PP_FR;
1062 IFP2SP(d->ifp)->pp_flags &= ~PP_KEEPALIVE;
1063 d->ifp->if_flags &= ~(PP_CISCO);
1064 } else
1065 return EINVAL;
1066 return 0;
1067
1068 case SERIAL_GETKEEPALIVE:
1069 CP_DEBUG2 (d, ("ioctl: getkeepalive\n"));
1070 if ((IFP2SP(d->ifp)->pp_flags & PP_FR) ||
1071 (d->ifp->if_flags & PP_CISCO))
1072 return EINVAL;
1073 *(int*)data = (IFP2SP(d->ifp)->pp_flags & PP_KEEPALIVE) ? 1 : 0;
1074 return 0;
1075
1076 case SERIAL_SETKEEPALIVE:
1077 CP_DEBUG2 (d, ("ioctl: setkeepalive\n"));
1078 /* Only for superuser! */
1079 error = priv_check (td, PRIV_DRIVER);
1080 if (error)
1081 return error;
1082 if ((IFP2SP(d->ifp)->pp_flags & PP_FR) ||
1083 (d->ifp->if_flags & PP_CISCO))
1084 return EINVAL;
1085 s = splimp ();
1086 CP_LOCK (bd);
1087 if (*(int*)data)
1088 IFP2SP(d->ifp)->pp_flags |= PP_KEEPALIVE;
1089 else
1090 IFP2SP(d->ifp)->pp_flags &= ~PP_KEEPALIVE;
1091 CP_UNLOCK (bd);
1092 splx (s);
1093 return 0;
1094#endif /*NETGRAPH*/
1095
1096 case SERIAL_GETMODE:
1097 CP_DEBUG2 (d, ("ioctl: getmode\n"));
1098 *(int*)data = SERIAL_HDLC;
1099 return 0;
1100
1101 case SERIAL_SETMODE:
1102 /* Only for superuser! */
1103 error = priv_check (td, PRIV_DRIVER);
1104 if (error)
1105 return error;
1106 if (*(int*)data != SERIAL_HDLC)
1107 return EINVAL;
1108 return 0;
1109
1110 case SERIAL_GETCFG:
1111 CP_DEBUG2 (d, ("ioctl: getcfg\n"));
1112 if (c->type != T_E1 || c->unfram)
1113 return EINVAL;
1114 *(char*)data = c->board->mux ? 'c' : 'a';
1115 return 0;
1116
1117 case SERIAL_SETCFG:
1118 CP_DEBUG2 (d, ("ioctl: setcfg\n"));
1119 error = priv_check (td, PRIV_DRIVER);
1120 if (error)
1121 return error;
1122 if (c->type != T_E1)
1123 return EINVAL;
1124 s = splimp ();
1125 CP_LOCK (bd);
1126 cp_set_mux (c->board, *((char*)data) == 'c');
1127 CP_UNLOCK (bd);
1128 splx (s);
1129 return 0;
1130
1131 case SERIAL_GETSTAT:
1132 CP_DEBUG2 (d, ("ioctl: getstat\n"));
1133 st = (struct serial_statistics*) data;
1134 st->rintr = c->rintr;
1135 st->tintr = c->tintr;
1136 st->mintr = 0;
1137 st->ibytes = c->ibytes;
1138 st->ipkts = c->ipkts;
1139 st->obytes = c->obytes;
1140 st->opkts = c->opkts;
1141 st->ierrs = c->overrun + c->frame + c->crc;
1142 st->oerrs = c->underrun;
1143 return 0;
1144
1145 case SERIAL_GETESTAT:
1146 CP_DEBUG2 (d, ("ioctl: getestat\n"));
1147 if (c->type != T_E1 && c->type != T_G703)
1148 return EINVAL;
1149 opte1 = (struct e1_statistics*) data;
1150 opte1->status = c->status;
1151 opte1->cursec = c->cursec;
1152 opte1->totsec = c->totsec + c->cursec;
1153
1154 opte1->currnt.bpv = c->currnt.bpv;
1155 opte1->currnt.fse = c->currnt.fse;
1156 opte1->currnt.crce = c->currnt.crce;
1157 opte1->currnt.rcrce = c->currnt.rcrce;
1158 opte1->currnt.uas = c->currnt.uas;
1159 opte1->currnt.les = c->currnt.les;
1160 opte1->currnt.es = c->currnt.es;
1161 opte1->currnt.bes = c->currnt.bes;
1162 opte1->currnt.ses = c->currnt.ses;
1163 opte1->currnt.oofs = c->currnt.oofs;
1164 opte1->currnt.css = c->currnt.css;
1165 opte1->currnt.dm = c->currnt.dm;
1166
1167 opte1->total.bpv = c->total.bpv + c->currnt.bpv;
1168 opte1->total.fse = c->total.fse + c->currnt.fse;
1169 opte1->total.crce = c->total.crce + c->currnt.crce;
1170 opte1->total.rcrce = c->total.rcrce + c->currnt.rcrce;
1171 opte1->total.uas = c->total.uas + c->currnt.uas;
1172 opte1->total.les = c->total.les + c->currnt.les;
1173 opte1->total.es = c->total.es + c->currnt.es;
1174 opte1->total.bes = c->total.bes + c->currnt.bes;
1175 opte1->total.ses = c->total.ses + c->currnt.ses;
1176 opte1->total.oofs = c->total.oofs + c->currnt.oofs;
1177 opte1->total.css = c->total.css + c->currnt.css;
1178 opte1->total.dm = c->total.dm + c->currnt.dm;
1179 for (s=0; s<48; ++s) {
1180 opte1->interval[s].bpv = c->interval[s].bpv;
1181 opte1->interval[s].fse = c->interval[s].fse;
1182 opte1->interval[s].crce = c->interval[s].crce;
1183 opte1->interval[s].rcrce = c->interval[s].rcrce;
1184 opte1->interval[s].uas = c->interval[s].uas;
1185 opte1->interval[s].les = c->interval[s].les;
1186 opte1->interval[s].es = c->interval[s].es;
1187 opte1->interval[s].bes = c->interval[s].bes;
1188 opte1->interval[s].ses = c->interval[s].ses;
1189 opte1->interval[s].oofs = c->interval[s].oofs;
1190 opte1->interval[s].css = c->interval[s].css;
1191 opte1->interval[s].dm = c->interval[s].dm;
1192 }
1193 return 0;
1194
1195 case SERIAL_GETE3STAT:
1196 CP_DEBUG2 (d, ("ioctl: gete3stat\n"));
1197 if (c->type != T_E3 && c->type != T_T3 && c->type != T_STS1)
1198 return EINVAL;
1199 opte3 = (struct e3_statistics*) data;
1200
1201 opte3->status = c->e3status;
1202 opte3->cursec = (c->e3csec_5 * 2 + 1) / 10;
1203 opte3->totsec = c->e3tsec + opte3->cursec;
1204
1205 opte3->ccv = c->e3ccv;
1206 opte3->tcv = c->e3tcv + opte3->ccv;
1207
1208 for (s = 0; s < 48; ++s) {
1209 opte3->icv[s] = c->e3icv[s];
1210 }
1211 return 0;
1212
1213 case SERIAL_CLRSTAT:
1214 CP_DEBUG2 (d, ("ioctl: clrstat\n"));
1215 /* Only for superuser! */
1216 error = priv_check (td, PRIV_DRIVER);
1217 if (error)
1218 return error;
1219 c->rintr = 0;
1220 c->tintr = 0;
1221 c->ibytes = 0;
1222 c->obytes = 0;
1223 c->ipkts = 0;
1224 c->opkts = 0;
1225 c->overrun = 0;
1226 c->frame = 0;
1227 c->crc = 0;
1228 c->underrun = 0;
1229 bzero (&c->currnt, sizeof (c->currnt));
1230 bzero (&c->total, sizeof (c->total));
1231 bzero (c->interval, sizeof (c->interval));
1232 c->e3ccv = 0;
1233 c->e3tcv = 0;
1234 bzero (c->e3icv, sizeof (c->e3icv));
1235 return 0;
1236
1237 case SERIAL_GETBAUD:
1238 CP_DEBUG2 (d, ("ioctl: getbaud\n"));
1239 *(long*)data = c->baud;
1240 return 0;
1241
1242 case SERIAL_SETBAUD:
1243 CP_DEBUG2 (d, ("ioctl: setbaud\n"));
1244 /* Only for superuser! */
1245 error = priv_check (td, PRIV_DRIVER);
1246 if (error)
1247 return error;
1248 s = splimp ();
1249 CP_LOCK (bd);
1250 cp_set_baud (c, *(long*)data);
1251 CP_UNLOCK (bd);
1252 splx (s);
1253 return 0;
1254
1255 case SERIAL_GETLOOP:
1256 CP_DEBUG2 (d, ("ioctl: getloop\n"));
1257 *(int*)data = c->lloop;
1258 return 0;
1259
1260 case SERIAL_SETLOOP:
1261 CP_DEBUG2 (d, ("ioctl: setloop\n"));
1262 /* Only for superuser! */
1263 error = priv_check (td, PRIV_DRIVER);
1264 if (error)
1265 return error;
1266 s = splimp ();
1267 CP_LOCK (bd);
1268 cp_set_lloop (c, *(int*)data);
1269 CP_UNLOCK (bd);
1270 splx (s);
1271 return 0;
1272
1273 case SERIAL_GETDPLL:
1274 CP_DEBUG2 (d, ("ioctl: getdpll\n"));
1275 if (c->type != T_SERIAL)
1276 return EINVAL;
1277 *(int*)data = c->dpll;
1278 return 0;
1279
1280 case SERIAL_SETDPLL:
1281 CP_DEBUG2 (d, ("ioctl: setdpll\n"));
1282 /* Only for superuser! */
1283 error = priv_check (td, PRIV_DRIVER);
1284 if (error)
1285 return error;
1286 if (c->type != T_SERIAL)
1287 return EINVAL;
1288 s = splimp ();
1289 CP_LOCK (bd);
1290 cp_set_dpll (c, *(int*)data);
1291 CP_UNLOCK (bd);
1292 splx (s);
1293 return 0;
1294
1295 case SERIAL_GETNRZI:
1296 CP_DEBUG2 (d, ("ioctl: getnrzi\n"));
1297 if (c->type != T_SERIAL)
1298 return EINVAL;
1299 *(int*)data = c->nrzi;
1300 return 0;
1301
1302 case SERIAL_SETNRZI:
1303 CP_DEBUG2 (d, ("ioctl: setnrzi\n"));
1304 /* Only for superuser! */
1305 error = priv_check (td, PRIV_DRIVER);
1306 if (error)
1307 return error;
1308 if (c->type != T_SERIAL)
1309 return EINVAL;
1310 s = splimp ();
1311 CP_LOCK (bd);
1312 cp_set_nrzi (c, *(int*)data);
1313 CP_UNLOCK (bd);
1314 splx (s);
1315 return 0;
1316
1317 case SERIAL_GETDEBUG:
1318 CP_DEBUG2 (d, ("ioctl: getdebug\n"));
1319 *(int*)data = d->chan->debug;
1320 return 0;
1321
1322 case SERIAL_SETDEBUG:
1323 CP_DEBUG2 (d, ("ioctl: setdebug\n"));
1324 /* Only for superuser! */
1325 error = priv_check (td, PRIV_DRIVER);
1326 if (error)
1327 return error;
1328#ifndef NETGRAPH
1329 /*
1330 * The debug_shadow is always greater than zero for logic
1331 * simplicity. For switching debug off the IFF_DEBUG is
1332 * responsible.
1333 */
1334 d->chan->debug_shadow = (*(int*)data) ? (*(int*)data) : 1;
1335 if (d->ifp->if_flags & IFF_DEBUG)
1336 d->chan->debug = d->chan->debug_shadow;
1337#else
1338 d->chan->debug = *(int*)data;
1339#endif
1340 return 0;
1341
1342 case SERIAL_GETHIGAIN:
1343 CP_DEBUG2 (d, ("ioctl: gethigain\n"));
1344 if (c->type != T_E1)
1345 return EINVAL;
1346 *(int*)data = c->higain;
1347 return 0;
1348
1349 case SERIAL_SETHIGAIN:
1350 CP_DEBUG2 (d, ("ioctl: sethigain\n"));
1351 /* Only for superuser! */
1352 error = priv_check (td, PRIV_DRIVER);
1353 if (error)
1354 return error;
1355 if (c->type != T_E1)
1356 return EINVAL;
1357 s = splimp ();
1358 CP_LOCK (bd);
1359 cp_set_higain (c, *(int*)data);
1360 CP_UNLOCK (bd);
1361 splx (s);
1362 return 0;
1363
1364 case SERIAL_GETPHONY:
1365 CP_DEBUG2 (d, ("ioctl: getphony\n"));
1366 if (c->type != T_E1)
1367 return EINVAL;
1368 *(int*)data = c->phony;
1369 return 0;
1370
1371 case SERIAL_SETPHONY:
1372 CP_DEBUG2 (d, ("ioctl: setphony\n"));
1373 /* Only for superuser! */
1374 error = priv_check (td, PRIV_DRIVER);
1375 if (error)
1376 return error;
1377 if (c->type != T_E1)
1378 return EINVAL;
1379 s = splimp ();
1380 CP_LOCK (bd);
1381 cp_set_phony (c, *(int*)data);
1382 CP_UNLOCK (bd);
1383 splx (s);
1384 return 0;
1385
1386 case SERIAL_GETUNFRAM:
1387 CP_DEBUG2 (d, ("ioctl: getunfram\n"));
1388 if (c->type != T_E1)
1389 return EINVAL;
1390 *(int*)data = c->unfram;
1391 return 0;
1392
1393 case SERIAL_SETUNFRAM:
1394 CP_DEBUG2 (d, ("ioctl: setunfram\n"));
1395 /* Only for superuser! */
1396 error = priv_check (td, PRIV_DRIVER);
1397 if (error)
1398 return error;
1399 if (c->type != T_E1)
1400 return EINVAL;
1401 s = splimp ();
1402 CP_LOCK (bd);
1403 cp_set_unfram (c, *(int*)data);
1404 CP_UNLOCK (bd);
1405 splx (s);
1406 return 0;
1407
1408 case SERIAL_GETSCRAMBLER:
1409 CP_DEBUG2 (d, ("ioctl: getscrambler\n"));
1410 if (c->type != T_G703 && !c->unfram)
1411 return EINVAL;
1412 *(int*)data = c->scrambler;
1413 return 0;
1414
1415 case SERIAL_SETSCRAMBLER:
1416 CP_DEBUG2 (d, ("ioctl: setscrambler\n"));
1417 /* Only for superuser! */
1418 error = priv_check (td, PRIV_DRIVER);
1419 if (error)
1420 return error;
1421 if (c->type != T_G703 && !c->unfram)
1422 return EINVAL;
1423 s = splimp ();
1424 CP_LOCK (bd);
1425 cp_set_scrambler (c, *(int*)data);
1426 CP_UNLOCK (bd);
1427 splx (s);
1428 return 0;
1429
1430 case SERIAL_GETMONITOR:
1431 CP_DEBUG2 (d, ("ioctl: getmonitor\n"));
1432 if (c->type != T_E1 &&
1433 c->type != T_E3 &&
1434 c->type != T_T3 &&
1435 c->type != T_STS1)
1436 return EINVAL;
1437 *(int*)data = c->monitor;
1438 return 0;
1439
1440 case SERIAL_SETMONITOR:
1441 CP_DEBUG2 (d, ("ioctl: setmonitor\n"));
1442 /* Only for superuser! */
1443 error = priv_check (td, PRIV_DRIVER);
1444 if (error)
1445 return error;
1446 if (c->type != T_E1)
1447 return EINVAL;
1448 s = splimp ();
1449 CP_LOCK (bd);
1450 cp_set_monitor (c, *(int*)data);
1451 CP_UNLOCK (bd);
1452 splx (s);
1453 return 0;
1454
1455 case SERIAL_GETUSE16:
1456 CP_DEBUG2 (d, ("ioctl: getuse16\n"));
1457 if (c->type != T_E1 || c->unfram)
1458 return EINVAL;
1459 *(int*)data = c->use16;
1460 return 0;
1461
1462 case SERIAL_SETUSE16:
1463 CP_DEBUG2 (d, ("ioctl: setuse16\n"));
1464 /* Only for superuser! */
1465 error = priv_check (td, PRIV_DRIVER);
1466 if (error)
1467 return error;
1468 if (c->type != T_E1)
1469 return EINVAL;
1470 s = splimp ();
1471 CP_LOCK (bd);
1472 cp_set_use16 (c, *(int*)data);
1473 CP_UNLOCK (bd);
1474 splx (s);
1475 return 0;
1476
1477 case SERIAL_GETCRC4:
1478 CP_DEBUG2 (d, ("ioctl: getcrc4\n"));
1479 if (c->type != T_E1 || c->unfram)
1480 return EINVAL;
1481 *(int*)data = c->crc4;
1482 return 0;
1483
1484 case SERIAL_SETCRC4:
1485 CP_DEBUG2 (d, ("ioctl: setcrc4\n"));
1486 /* Only for superuser! */
1487 error = priv_check (td, PRIV_DRIVER);
1488 if (error)
1489 return error;
1490 if (c->type != T_E1)
1491 return EINVAL;
1492 s = splimp ();
1493 CP_LOCK (bd);
1494 cp_set_crc4 (c, *(int*)data);
1495 CP_UNLOCK (bd);
1496 splx (s);
1497 return 0;
1498
1499 case SERIAL_GETCLK:
1500 CP_DEBUG2 (d, ("ioctl: getclk\n"));
1501 if (c->type != T_E1 &&
1502 c->type != T_G703 &&
1503 c->type != T_E3 &&
1504 c->type != T_T3 &&
1505 c->type != T_STS1)
1506 return EINVAL;
1507 switch (c->gsyn) {
1508 default: *(int*)data = E1CLK_INTERNAL; break;
1509 case GSYN_RCV: *(int*)data = E1CLK_RECEIVE; break;
1510 case GSYN_RCV0: *(int*)data = E1CLK_RECEIVE_CHAN0; break;
1511 case GSYN_RCV1: *(int*)data = E1CLK_RECEIVE_CHAN1; break;
1512 case GSYN_RCV2: *(int*)data = E1CLK_RECEIVE_CHAN2; break;
1513 case GSYN_RCV3: *(int*)data = E1CLK_RECEIVE_CHAN3; break;
1514 }
1515 return 0;
1516
1517 case SERIAL_SETCLK:
1518 CP_DEBUG2 (d, ("ioctl: setclk\n"));
1519 /* Only for superuser! */
1520 error = priv_check (td, PRIV_DRIVER);
1521 if (error)
1522 return error;
1523 if (c->type != T_E1 &&
1524 c->type != T_G703 &&
1525 c->type != T_E3 &&
1526 c->type != T_T3 &&
1527 c->type != T_STS1)
1528 return EINVAL;
1529 s = splimp ();
1530 CP_LOCK (bd);
1531 switch (*(int*)data) {
1532 default: cp_set_gsyn (c, GSYN_INT); break;
1533 case E1CLK_RECEIVE: cp_set_gsyn (c, GSYN_RCV); break;
1534 case E1CLK_RECEIVE_CHAN0: cp_set_gsyn (c, GSYN_RCV0); break;
1535 case E1CLK_RECEIVE_CHAN1: cp_set_gsyn (c, GSYN_RCV1); break;
1536 case E1CLK_RECEIVE_CHAN2: cp_set_gsyn (c, GSYN_RCV2); break;
1537 case E1CLK_RECEIVE_CHAN3: cp_set_gsyn (c, GSYN_RCV3); break;
1538 }
1539 CP_UNLOCK (bd);
1540 splx (s);
1541 return 0;
1542
1543 case SERIAL_GETTIMESLOTS:
1544 CP_DEBUG2 (d, ("ioctl: gettimeslots\n"));
1545 if ((c->type != T_E1 || c->unfram) && c->type != T_DATA)
1546 return EINVAL;
1547 *(u_long*)data = c->ts;
1548 return 0;
1549
1550 case SERIAL_SETTIMESLOTS:
1551 CP_DEBUG2 (d, ("ioctl: settimeslots\n"));
1552 /* Only for superuser! */
1553 error = priv_check (td, PRIV_DRIVER);
1554 if (error)
1555 return error;
1556 if ((c->type != T_E1 || c->unfram) && c->type != T_DATA)
1557 return EINVAL;
1558 s = splimp ();
1559 CP_LOCK (bd);
1560 cp_set_ts (c, *(u_long*)data);
1561 CP_UNLOCK (bd);
1562 splx (s);
1563 return 0;
1564
1565 case SERIAL_GETINVCLK:
1566 CP_DEBUG2 (d, ("ioctl: getinvclk\n"));
1567#if 1
1568 return EINVAL;
1569#else
1570 if (c->type != T_SERIAL)
1571 return EINVAL;
1572 *(int*)data = c->invtxc;
1573 return 0;
1574#endif
1575
1576 case SERIAL_SETINVCLK:
1577 CP_DEBUG2 (d, ("ioctl: setinvclk\n"));
1578 /* Only for superuser! */
1579 error = priv_check (td, PRIV_DRIVER);
1580 if (error)
1581 return error;
1582 if (c->type != T_SERIAL)
1583 return EINVAL;
1584 s = splimp ();
1585 CP_LOCK (bd);
1586 cp_set_invtxc (c, *(int*)data);
1587 cp_set_invrxc (c, *(int*)data);
1588 CP_UNLOCK (bd);
1589 splx (s);
1590 return 0;
1591
1592 case SERIAL_GETINVTCLK:
1593 CP_DEBUG2 (d, ("ioctl: getinvtclk\n"));
1594 if (c->type != T_SERIAL)
1595 return EINVAL;
1596 *(int*)data = c->invtxc;
1597 return 0;
1598
1599 case SERIAL_SETINVTCLK:
1600 CP_DEBUG2 (d, ("ioctl: setinvtclk\n"));
1601 /* Only for superuser! */
1602 error = priv_check (td, PRIV_DRIVER);
1603 if (error)
1604 return error;
1605 if (c->type != T_SERIAL)
1606 return EINVAL;
1607 s = splimp ();
1608 CP_LOCK (bd);
1609 cp_set_invtxc (c, *(int*)data);
1610 CP_UNLOCK (bd);
1611 splx (s);
1612 return 0;
1613
1614 case SERIAL_GETINVRCLK:
1615 CP_DEBUG2 (d, ("ioctl: getinvrclk\n"));
1616 if (c->type != T_SERIAL)
1617 return EINVAL;
1618 *(int*)data = c->invrxc;
1619 return 0;
1620
1621 case SERIAL_SETINVRCLK:
1622 CP_DEBUG2 (d, ("ioctl: setinvrclk\n"));
1623 /* Only for superuser! */
1624 error = priv_check (td, PRIV_DRIVER);
1625 if (error)
1626 return error;
1627 if (c->type != T_SERIAL)
1628 return EINVAL;
1629 s = splimp ();
1630 CP_LOCK (bd);
1631 cp_set_invrxc (c, *(int*)data);
1632 CP_UNLOCK (bd);
1633 splx (s);
1634 return 0;
1635
1636 case SERIAL_GETLEVEL:
1637 CP_DEBUG2 (d, ("ioctl: getlevel\n"));
1638 if (c->type != T_G703)
1639 return EINVAL;
1640 s = splimp ();
1641 CP_LOCK (bd);
1642 *(int*)data = cp_get_lq (c);
1643 CP_UNLOCK (bd);
1644 splx (s);
1645 return 0;
1646
1647#if 0
1648 case SERIAL_RESET:
1649 CP_DEBUG2 (d, ("ioctl: reset\n"));
1650 /* Only for superuser! */
1651 error = priv_check (td, PRIV_DRIVER);
1652 if (error)
1653 return error;
1654 s = splimp ();
1655 CP_LOCK (bd);
1656 cp_reset (c->board, 0, 0);
1657 CP_UNLOCK (bd);
1658 splx (s);
1659 return 0;
1660
1661 case SERIAL_HARDRESET:
1662 CP_DEBUG2 (d, ("ioctl: hardreset\n"));
1663 /* Only for superuser! */
1664 error = priv_check (td, PRIV_DRIVER);
1665 if (error)
1666 return error;
1667 s = splimp ();
1668 CP_LOCK (bd);
1669 /* hard_reset (c->board); */
1670 CP_UNLOCK (bd);
1671 splx (s);
1672 return 0;
1673#endif
1674
1675 case SERIAL_GETCABLE:
1676 CP_DEBUG2 (d, ("ioctl: getcable\n"));
1677 if (c->type != T_SERIAL)
1678 return EINVAL;
1679 s = splimp ();
1680 CP_LOCK (bd);
1681 *(int*)data = cp_get_cable (c);
1682 CP_UNLOCK (bd);
1683 splx (s);
1684 return 0;
1685
1686 case SERIAL_GETDIR:
1687 CP_DEBUG2 (d, ("ioctl: getdir\n"));
1688 if (c->type != T_E1 && c->type != T_DATA)
1689 return EINVAL;
1690 *(int*)data = c->dir;
1691 return 0;
1692
1693 case SERIAL_SETDIR:
1694 CP_DEBUG2 (d, ("ioctl: setdir\n"));
1695 /* Only for superuser! */
1696 error = priv_check (td, PRIV_DRIVER);
1697 if (error)
1698 return error;
1699 s = splimp ();
1700 CP_LOCK (bd);
1701 cp_set_dir (c, *(int*)data);
1702 CP_UNLOCK (bd);
1703 splx (s);
1704 return 0;
1705
1706 case SERIAL_GETRLOOP:
1707 CP_DEBUG2 (d, ("ioctl: getrloop\n"));
1708 if (c->type != T_G703 &&
1709 c->type != T_E3 &&
1710 c->type != T_T3 &&
1711 c->type != T_STS1)
1712 return EINVAL;
1713 *(int*)data = cp_get_rloop (c);
1714 return 0;
1715
1716 case SERIAL_SETRLOOP:
1717 CP_DEBUG2 (d, ("ioctl: setloop\n"));
1718 if (c->type != T_E3 && c->type != T_T3 && c->type != T_STS1)
1719 return EINVAL;
1720 /* Only for superuser! */
1721 error = priv_check (td, PRIV_DRIVER);
1722 if (error)
1723 return error;
1724 s = splimp ();
1725 CP_LOCK (bd);
1726 cp_set_rloop (c, *(int*)data);
1727 CP_UNLOCK (bd);
1728 splx (s);
1729 return 0;
1730
1731 case SERIAL_GETCABLEN:
1732 CP_DEBUG2 (d, ("ioctl: getcablen\n"));
1733 if (c->type != T_T3 && c->type != T_STS1)
1734 return EINVAL;
1735 *(int*)data = c->cablen;
1736 return 0;
1737
1738 case SERIAL_SETCABLEN:
1739 CP_DEBUG2 (d, ("ioctl: setloop\n"));
1740 if (c->type != T_T3 && c->type != T_STS1)
1741 return EINVAL;
1742 /* Only for superuser! */
1743 error = priv_check (td, PRIV_DRIVER);
1744 if (error)
1745 return error;
1746 s = splimp ();
1747 CP_LOCK (bd);
1748 cp_set_cablen (c, *(int*)data);
1749 CP_UNLOCK (bd);
1750 splx (s);
1751 return 0;
1752
1753 case TIOCSDTR: /* Set DTR */
1754 s = splimp ();
1755 CP_LOCK (bd);
1756 cp_set_dtr (c, 1);
1757 CP_UNLOCK (bd);
1758 splx (s);
1759 return 0;
1760
1761 case TIOCCDTR: /* Clear DTR */
1762 s = splimp ();
1763 CP_LOCK (bd);
1764 cp_set_dtr (c, 0);
1765 CP_UNLOCK (bd);
1766 splx (s);
1767 return 0;
1768
1769 case TIOCMSET: /* Set DTR/RTS */
1770 s = splimp ();
1771 CP_LOCK (bd);
1772 cp_set_dtr (c, (*(int*)data & TIOCM_DTR) ? 1 : 0);
1773 cp_set_rts (c, (*(int*)data & TIOCM_RTS) ? 1 : 0);
1774 CP_UNLOCK (bd);
1775 splx (s);
1776 return 0;
1777
1778 case TIOCMBIS: /* Add DTR/RTS */
1779 s = splimp ();
1780 CP_LOCK (bd);
1781 if (*(int*)data & TIOCM_DTR) cp_set_dtr (c, 1);
1782 if (*(int*)data & TIOCM_RTS) cp_set_rts (c, 1);
1783 CP_UNLOCK (bd);
1784 splx (s);
1785 return 0;
1786
1787 case TIOCMBIC: /* Clear DTR/RTS */
1788 s = splimp ();
1789 CP_LOCK (bd);
1790 if (*(int*)data & TIOCM_DTR) cp_set_dtr (c, 0);
1791 if (*(int*)data & TIOCM_RTS) cp_set_rts (c, 0);
1792 CP_UNLOCK (bd);
1793 splx (s);
1794 return 0;
1795
1796 case TIOCMGET: /* Get modem status */
1797 *(int*)data = cp_modem_status (c);
1798 return 0;
1799 }
1800 return ENOTTY;
1801}
1802
1803#ifdef NETGRAPH
1804static int ng_cp_constructor (node_p node)
1805{
1806 drv_t *d = NG_NODE_PRIVATE (node);
1807 CP_DEBUG (d, ("Constructor\n"));
1808 return EINVAL;
1809}
1810
1811static int ng_cp_newhook (node_p node, hook_p hook, const char *name)
1812{
1813 int s;
1814 drv_t *d = NG_NODE_PRIVATE (node);
1815 bdrv_t *bd = d->board->sys;
1816
1817 CP_DEBUG (d, ("Newhook\n"));
1818 /* Attach debug hook */
1819 if (strcmp (name, NG_CP_HOOK_DEBUG) == 0) {
1820 NG_HOOK_SET_PRIVATE (hook, NULL);
1821 d->debug_hook = hook;
1822 return 0;
1823 }
1824
1825 /* Check for raw hook */
1826 if (strcmp (name, NG_CP_HOOK_RAW) != 0)
1827 return EINVAL;
1828
1829 NG_HOOK_SET_PRIVATE (hook, d);
1830 d->hook = hook;
1831 s = splimp ();
1832 CP_LOCK (bd);
1833 cp_up (d);
1834 CP_UNLOCK (bd);
1835 splx (s);
1836 return 0;
1837}
1838
1839static char *format_timeslots (u_long s)
1840{
1841 static char buf [100];
1842 char *p = buf;
1843 int i;
1844
1845 for (i=1; i<32; ++i)
1846 if ((s >> i) & 1) {
1847 int prev = (i > 1) & (s >> (i-1));
1848 int next = (i < 31) & (s >> (i+1));
1849
1850 if (prev) {
1851 if (next)
1852 continue;
1853 *p++ = '-';
1854 } else if (p > buf)
1855 *p++ = ',';
1856
1857 if (i >= 10)
1858 *p++ = '0' + i / 10;
1859 *p++ = '0' + i % 10;
1860 }
1861 *p = 0;
1862 return buf;
1863}
1864
1865static int print_modems (char *s, cp_chan_t *c, int need_header)
1866{
1867 int status = cp_modem_status (c);
1868 int length = 0;
1869
1870 if (need_header)
1871 length += sprintf (s + length, " LE DTR DSR RTS CTS CD\n");
1872 length += sprintf (s + length, "%4s %4s %4s %4s %4s %4s\n",
1873 status & TIOCM_LE ? "On" : "-",
1874 status & TIOCM_DTR ? "On" : "-",
1875 status & TIOCM_DSR ? "On" : "-",
1876 status & TIOCM_RTS ? "On" : "-",
1877 status & TIOCM_CTS ? "On" : "-",
1878 status & TIOCM_CD ? "On" : "-");
1879 return length;
1880}
1881
1882static int print_stats (char *s, cp_chan_t *c, int need_header)
1883{
1884 int length = 0;
1885
1886 if (need_header)
1887 length += sprintf (s + length, " Rintr Tintr Mintr Ibytes Ipkts Ierrs Obytes Opkts Oerrs\n");
1888 length += sprintf (s + length, "%7ld %7ld %7ld %8lu %7ld %7ld %8lu %7ld %7ld\n",
1889 c->rintr, c->tintr, 0l, (unsigned long) c->ibytes,
1890 c->ipkts, c->overrun + c->frame + c->crc,
1891 (unsigned long) c->obytes, c->opkts, c->underrun);
1892 return length;
1893}
1894
1895static char *format_e1_status (u_char status)
1896{
1897 static char buf [80];
1898
1899 if (status & E1_NOALARM)
1900 return "Ok";
1901 buf[0] = 0;
1902 if (status & E1_LOS) strcat (buf, ",LOS");
1903 if (status & E1_AIS) strcat (buf, ",AIS");
1904 if (status & E1_LOF) strcat (buf, ",LOF");
1905 if (status & E1_LOMF) strcat (buf, ",LOMF");
1906 if (status & E1_FARLOF) strcat (buf, ",FARLOF");
1907 if (status & E1_AIS16) strcat (buf, ",AIS16");
1908 if (status & E1_FARLOMF) strcat (buf, ",FARLOMF");
1909 if (status & E1_TSTREQ) strcat (buf, ",TSTREQ");
1910 if (status & E1_TSTERR) strcat (buf, ",TSTERR");
1911 if (buf[0] == ',')
1912 return buf+1;
1913 return "Unknown";
1914}
1915
1916static int print_frac (char *s, int leftalign, u_long numerator, u_long divider)
1917{
1918 int n, length = 0;
1919
1920 if (numerator < 1 || divider < 1) {
1921 length += sprintf (s+length, leftalign ? "/- " : " -");
1922 return length;
1923 }
1924 n = (int) (0.5 + 1000.0 * numerator / divider);
1925 if (n < 1000) {
1926 length += sprintf (s+length, leftalign ? "/.%-3d" : " .%03d", n);
1927 return length;
1928 }
1929 *(s + length) = leftalign ? '/' : ' ';
1930 length ++;
1931
1932 if (n >= 1000000) n = (n+500) / 1000 * 1000;
1933 else if (n >= 100000) n = (n+50) / 100 * 100;
1934 else if (n >= 10000) n = (n+5) / 10 * 10;
1935
1936 switch (n) {
1937 case 1000: length += printf (s+length, ".999"); return length;
1938 case 10000: n = 9990; break;
1939 case 100000: n = 99900; break;
1940 case 1000000: n = 999000; break;
1941 }
1942 if (n < 10000) length += sprintf (s+length, "%d.%d", n/1000, n/10%100);
1943 else if (n < 100000) length += sprintf (s+length, "%d.%d", n/1000, n/100%10);
1944 else if (n < 1000000) length += sprintf (s+length, "%d.", n/1000);
1945 else length += sprintf (s+length, "%d", n/1000);
1946
1947 return length;
1948}
1949
1950static int print_e1_stats (char *s, cp_chan_t *c)
1951{
1952 struct e1_counters total;
1953 u_long totsec;
1954 int length = 0;
1955
1956 totsec = c->totsec + c->cursec;
1957 total.bpv = c->total.bpv + c->currnt.bpv;
1958 total.fse = c->total.fse + c->currnt.fse;
1959 total.crce = c->total.crce + c->currnt.crce;
1960 total.rcrce = c->total.rcrce + c->currnt.rcrce;
1961 total.uas = c->total.uas + c->currnt.uas;
1962 total.les = c->total.les + c->currnt.les;
1963 total.es = c->total.es + c->currnt.es;
1964 total.bes = c->total.bes + c->currnt.bes;
1965 total.ses = c->total.ses + c->currnt.ses;
1966 total.oofs = c->total.oofs + c->currnt.oofs;
1967 total.css = c->total.css + c->currnt.css;
1968 total.dm = c->total.dm + c->currnt.dm;
1969
1970 length += sprintf (s + length, " Unav/Degr Bpv/Fsyn CRC/RCRC Err/Lerr Sev/Bur Oof/Slp Status\n");
1971
1972 /* Unavailable seconds, degraded minutes */
1973 length += print_frac (s + length, 0, c->currnt.uas, c->cursec);
1974 length += print_frac (s + length, 1, 60 * c->currnt.dm, c->cursec);
1975
1976 /* Bipolar violations, frame sync errors */
1977 length += print_frac (s + length, 0, c->currnt.bpv, c->cursec);
1978 length += print_frac (s + length, 1, c->currnt.fse, c->cursec);
1979
1980 /* CRC errors, remote CRC errors (E-bit) */
1981 length += print_frac (s + length, 0, c->currnt.crce, c->cursec);
1982 length += print_frac (s + length, 1, c->currnt.rcrce, c->cursec);
1983
1984 /* Errored seconds, line errored seconds */
1985 length += print_frac (s + length, 0, c->currnt.es, c->cursec);
1986 length += print_frac (s + length, 1, c->currnt.les, c->cursec);
1987
1988 /* Severely errored seconds, burst errored seconds */
1989 length += print_frac (s + length, 0, c->currnt.ses, c->cursec);
1990 length += print_frac (s + length, 1, c->currnt.bes, c->cursec);
1991
1992 /* Out of frame seconds, controlled slip seconds */
1993 length += print_frac (s + length, 0, c->currnt.oofs, c->cursec);
1994 length += print_frac (s + length, 1, c->currnt.css, c->cursec);
1995
1996 length += sprintf (s + length, " %s\n", format_e1_status (c->status));
1997
1998 /* Print total statistics. */
1999 length += print_frac (s + length, 0, total.uas, totsec);
2000 length += print_frac (s + length, 1, 60 * total.dm, totsec);
2001
2002 length += print_frac (s + length, 0, total.bpv, totsec);
2003 length += print_frac (s + length, 1, total.fse, totsec);
2004
2005 length += print_frac (s + length, 0, total.crce, totsec);
2006 length += print_frac (s + length, 1, total.rcrce, totsec);
2007
2008 length += print_frac (s + length, 0, total.es, totsec);
2009 length += print_frac (s + length, 1, total.les, totsec);
2010
2011 length += print_frac (s + length, 0, total.ses, totsec);
2012 length += print_frac (s + length, 1, total.bes, totsec);
2013
2014 length += print_frac (s + length, 0, total.oofs, totsec);
2015 length += print_frac (s + length, 1, total.css, totsec);
2016
2017 length += sprintf (s + length, " -- Total\n");
2018 return length;
2019}
2020
2021static int print_chan (char *s, cp_chan_t *c)
2022{
2023 drv_t *d = c->sys;
2024 bdrv_t *bd = d->board->sys;
2025 int length = 0;
2026
2027 length += sprintf (s + length, "cp%d", c->board->num * NCHAN + c->num);
2028 if (d->chan->debug)
2029 length += sprintf (s + length, " debug=%d", d->chan->debug);
2030
2031 if (c->board->mux) {
2032 length += sprintf (s + length, " cfg=C");
2033 } else {
2034 length += sprintf (s + length, " cfg=A");
2035 }
2036
2037 if (c->baud)
2038 length += sprintf (s + length, " %ld", c->baud);
2039 else
2040 length += sprintf (s + length, " extclock");
2041
2042 if (c->type == T_E1 || c->type == T_G703)
2043 switch (c->gsyn) {
2044 case GSYN_INT : length += sprintf (s + length, " syn=int"); break;
2045 case GSYN_RCV : length += sprintf (s + length, " syn=rcv"); break;
2046 case GSYN_RCV0 : length += sprintf (s + length, " syn=rcv0"); break;
2047 case GSYN_RCV1 : length += sprintf (s + length, " syn=rcv1"); break;
2048 case GSYN_RCV2 : length += sprintf (s + length, " syn=rcv2"); break;
2049 case GSYN_RCV3 : length += sprintf (s + length, " syn=rcv3"); break;
2050 }
2051 if (c->type == T_SERIAL) {
2052 length += sprintf (s + length, " dpll=%s", c->dpll ? "on" : "off");
2053 length += sprintf (s + length, " nrzi=%s", c->nrzi ? "on" : "off");
2054 length += sprintf (s + length, " invclk=%s", c->invtxc ? "on" : "off");
2055 }
2056 if (c->type == T_E1)
2057 length += sprintf (s + length, " higain=%s", c->higain ? "on" : "off");
2058
2059 length += sprintf (s + length, " loop=%s", c->lloop ? "on" : "off");
2060
2061 if (c->type == T_E1)
2062 length += sprintf (s + length, " ts=%s", format_timeslots (c->ts));
2063 if (c->type == T_G703) {
2064 int lq, x;
2065
2066 x = splimp ();
2067 CP_LOCK (bd);
2068 lq = cp_get_lq (c);
2069 CP_UNLOCK (bd);
2070 splx (x);
2071 length += sprintf (s + length, " (level=-%.1fdB)", lq / 10.0);
2072 }
2073 length += sprintf (s + length, "\n");
2074 return length;
2075}
2076
2077static int ng_cp_rcvmsg (node_p node, item_p item, hook_p lasthook)
2078{
2079 drv_t *d = NG_NODE_PRIVATE (node);
2080 struct ng_mesg *msg;
2081 struct ng_mesg *resp = NULL;
2082 int error = 0;
2083
2084 CP_DEBUG (d, ("Rcvmsg\n"));
2085 NGI_GET_MSG (item, msg);
2086 switch (msg->header.typecookie) {
2087 default:
2088 error = EINVAL;
2089 break;
2090
2091 case NGM_CP_COOKIE:
2092 printf ("Not implemented yet\n");
2093 error = EINVAL;
2094 break;
2095
2096 case NGM_GENERIC_COOKIE:
2097 switch (msg->header.cmd) {
2098 default:
2099 error = EINVAL;
2100 break;
2101
2102 case NGM_TEXT_STATUS: {
2103 char *s;
2104 int l = 0;
2105 int dl = sizeof (struct ng_mesg) + 730;
2106
2107 NG_MKRESPONSE (resp, msg, dl, M_NOWAIT);
2108 if (! resp) {
2109 error = ENOMEM;
2110 break;
2111 }
2112 s = (resp)->data;
2113 if (d) {
2114 l += print_chan (s + l, d->chan);
2115 l += print_stats (s + l, d->chan, 1);
2116 l += print_modems (s + l, d->chan, 1);
2117 l += print_e1_stats (s + l, d->chan);
2118 } else
2119 l += sprintf (s + l, "Error: node not connect to channel");
2120 strncpy ((resp)->header.cmdstr, "status", NG_CMDSTRSIZ);
2121 }
2122 break;
2123 }
2124 break;
2125 }
2126 NG_RESPOND_MSG (error, node, item, resp);
2127 NG_FREE_MSG (msg);
2128 return error;
2129}
2130
2131static int ng_cp_rcvdata (hook_p hook, item_p item)
2132{
2133 drv_t *d = NG_NODE_PRIVATE (NG_HOOK_NODE(hook));
2134 struct mbuf *m;
2135 struct ng_tag_prio *ptag;
2136 bdrv_t *bd = d->board->sys;
2137 struct ifqueue *q;
2138 int s;
2139
2140 CP_DEBUG2 (d, ("Rcvdata\n"));
2141 NGI_GET_M (item, m);
2142 NG_FREE_ITEM (item);
2143 if (! NG_HOOK_PRIVATE (hook) || ! d) {
2144 NG_FREE_M (m);
2145 return ENETDOWN;
2146 }
2147
2148 /* Check for high priority data */
2149 if ((ptag = (struct ng_tag_prio *)m_tag_locate(m, NGM_GENERIC_COOKIE,
2150 NG_TAG_PRIO, NULL)) != NULL && (ptag->priority > NG_PRIO_CUTOFF) )
2151 q = &d->hi_queue;
2152 else
2153 q = &d->queue;
2154
2155 s = splimp ();
2156 CP_LOCK (bd);
2157 IF_LOCK (q);
2158 if (_IF_QFULL (q)) {
2159 _IF_DROP (q);
2160 IF_UNLOCK (q);
2161 CP_UNLOCK (bd);
2162 splx (s);
2163 NG_FREE_M (m);
2164 return ENOBUFS;
2165 }
2166 _IF_ENQUEUE (q, m);
2167 IF_UNLOCK (q);
2168 cp_start (d);
2169 CP_UNLOCK (bd);
2170 splx (s);
2171 return 0;
2172}
2173
2174static int ng_cp_rmnode (node_p node)
2175{
2176 drv_t *d = NG_NODE_PRIVATE (node);
2177
2178 CP_DEBUG (d, ("Rmnode\n"));
2179 if (d && d->running) {
2180 bdrv_t *bd = d->board->sys;
2181 int s = splimp ();
2182 CP_LOCK (bd);
2183 cp_down (d);
2184 CP_UNLOCK (bd);
2185 splx (s);
2186 }
2187#ifdef KLD_MODULE
2188 if (node->nd_flags & NGF_REALLY_DIE) {
2189 NG_NODE_SET_PRIVATE (node, NULL);
2190 NG_NODE_UNREF (node);
2191 }
2192 NG_NODE_REVIVE(node); /* Persistant node */
2193#endif
2194 return 0;
2195}
2196
2197static int ng_cp_connect (hook_p hook)
2198{
2199 drv_t *d = NG_NODE_PRIVATE (NG_HOOK_NODE (hook));
2200
2201 if (d) {
2202 CP_DEBUG (d, ("Connect\n"));
2203 callout_reset (&d->timeout_handle, hz, cp_watchdog_timer, d);
2204 }
2205
2206 return 0;
2207}
2208
2209static int ng_cp_disconnect (hook_p hook)
2210{
2211 drv_t *d = NG_NODE_PRIVATE (NG_HOOK_NODE (hook));
2212
2213 if (d) {
2214 CP_DEBUG (d, ("Disconnect\n"));
2215 if (NG_HOOK_PRIVATE (hook))
2216 {
2217 bdrv_t *bd = d->board->sys;
2218 int s = splimp ();
2219 CP_LOCK (bd);
2220 cp_down (d);
2221 CP_UNLOCK (bd);
2222 splx (s);
2223 }
2224 /* If we were wait it than it reasserted now, just stop it. */
2225 if (!callout_drain (&d->timeout_handle))
2226 callout_stop (&d->timeout_handle);
2227 }
2228 return 0;
2229}
2230#endif
2231
2232static int cp_modevent (module_t mod, int type, void *unused)
2233{
2234 static int load_count = 0;
2235
2236 switch (type) {
2237 case MOD_LOAD:
2238#ifdef NETGRAPH
2239 if (ng_newtype (&typestruct))
2240 printf ("Failed to register ng_cp\n");
2241#endif
2242 ++load_count;
2243 callout_init (&timeout_handle, CALLOUT_MPSAFE);
2244 callout_reset (&timeout_handle, hz*5, cp_timeout, 0);
2245 break;
2246 case MOD_UNLOAD:
2247 if (load_count == 1) {
2248 printf ("Removing device entry for Tau-PCI\n");
2249#ifdef NETGRAPH
2250 ng_rmtype (&typestruct);
2251#endif
2252 }
2253 /* If we were wait it than it reasserted now, just stop it.
2254 * Actually we shouldn't get this condition. But code could be
2255 * changed in the future, so just be a litle paranoid.
2256 */
2257 if (!callout_drain (&timeout_handle))
2258 callout_stop (&timeout_handle);
2259 --load_count;
2260 break;
2261 case MOD_SHUTDOWN:
2262 break;
2263 }
2264 return 0;
2265}
2266
2267#ifdef NETGRAPH
2268static struct ng_type typestruct = {
2269 .version = NG_ABI_VERSION,
2270 .name = NG_CP_NODE_TYPE,
2271 .constructor = ng_cp_constructor,
2272 .rcvmsg = ng_cp_rcvmsg,
2273 .shutdown = ng_cp_rmnode,
2274 .newhook = ng_cp_newhook,
2275 .connect = ng_cp_connect,
2276 .rcvdata = ng_cp_rcvdata,
2277 .disconnect = ng_cp_disconnect,
2278};
2279#endif /*NETGRAPH*/
2280
2281#ifdef NETGRAPH
2282MODULE_DEPEND (ng_cp, netgraph, NG_ABI_VERSION, NG_ABI_VERSION, NG_ABI_VERSION);
2283#else
2284MODULE_DEPEND (cp, sppp, 1, 1, 1);
2285#endif
2286DRIVER_MODULE (cp, pci, cp_driver, cp_devclass, cp_modevent, NULL);
2287MODULE_VERSION (cp, 1);