FreeBSD/Linux Kernel Cross Reference
sys/dev/cp/if_cp.c
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: releng/9.0/sys/dev/cp/if_cp.c 213795 2010-10-13 17:38:23Z rpaulo $");
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
86 static int cp_probe __P((device_t));
87 static int cp_attach __P((device_t));
88 static int cp_detach __P((device_t));
89
90 static 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 {0, 0}
97 };
98
99 typedef 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
107 typedef 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
129 typedef 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
139 static driver_t cp_driver = {
140 "cp",
141 cp_methods,
142 sizeof(bdrv_t),
143 };
144
145 static devclass_t cp_devclass;
146
147 static void cp_receive (cp_chan_t *c, unsigned char *data, int len);
148 static void cp_transmit (cp_chan_t *c, void *attachment, int len);
149 static void cp_error (cp_chan_t *c, int data);
150 static void cp_up (drv_t *d);
151 static void cp_start (drv_t *d);
152 static void cp_down (drv_t *d);
153 static void cp_watchdog (drv_t *d);
154 static void cp_watchdog_timer (void *arg);
155 #ifdef NETGRAPH
156 extern struct ng_type typestruct;
157 #else
158 static void cp_ifstart (struct ifnet *ifp);
159 static void cp_tlf (struct sppp *sp);
160 static void cp_tls (struct sppp *sp);
161 static int cp_sioctl (struct ifnet *ifp, u_long cmd, caddr_t data);
162 static void cp_initialize (void *softc);
163 #endif
164
165 static cp_board_t *adapter [NBRD];
166 static drv_t *channel [NBRD*NCHAN];
167 static struct callout led_timo [NBRD];
168 static struct callout timeout_handle;
169
170 static int cp_destroy = 0;
171
172 static int cp_open (struct cdev *dev, int oflags, int devtype, struct thread *td);
173 static int cp_close (struct cdev *dev, int fflag, int devtype, struct thread *td);
174 static int cp_ioctl (struct cdev *dev, u_long cmd, caddr_t data, int flag, struct thread *td);
175 static 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 */
186 static 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 */
202 static struct mbuf *makembuf (void *buf, unsigned len)
203 {
204 struct mbuf *m;
205
206 MGETHDR (m, M_DONTWAIT, MT_DATA);
207 if (! m)
208 return 0;
209 MCLGET (m, M_DONTWAIT);
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
219 static 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
229 static 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
274 static 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
290 static 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
337 static void
338 cp_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
350 static int
351 cp_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
386 static void
387 cp_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 */
397 static 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] = '' + 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
553 static 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
660 static 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
670 static 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
682 static 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 */
694 static 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 */
742 static 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 */
753 static 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 */
767 static 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 */
780 static 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 */
834 static 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 */
851 static 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
865 static 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
879 static 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
891 static 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
925 static 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 */
974 static 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 */
988 static 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
996 static 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
1015 static 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 } else if (! strcmp ("fr", (char*)data) && PP_FR) {
1056 d->ifp->if_flags &= ~(PP_CISCO);
1057 IFP2SP(d->ifp)->pp_flags |= PP_FR | PP_KEEPALIVE;
1058 } else if (! strcmp ("ppp", (char*)data)) {
1059 IFP2SP(d->ifp)->pp_flags &= ~PP_FR;
1060 IFP2SP(d->ifp)->pp_flags &= ~PP_KEEPALIVE;
1061 d->ifp->if_flags &= ~(PP_CISCO);
1062 } else
1063 return EINVAL;
1064 return 0;
1065
1066 case SERIAL_GETKEEPALIVE:
1067 CP_DEBUG2 (d, ("ioctl: getkeepalive\n"));
1068 if ((IFP2SP(d->ifp)->pp_flags & PP_FR) ||
1069 (d->ifp->if_flags & PP_CISCO))
1070 return EINVAL;
1071 *(int*)data = (IFP2SP(d->ifp)->pp_flags & PP_KEEPALIVE) ? 1 : 0;
1072 return 0;
1073
1074 case SERIAL_SETKEEPALIVE:
1075 CP_DEBUG2 (d, ("ioctl: setkeepalive\n"));
1076 /* Only for superuser! */
1077 error = priv_check (td, PRIV_DRIVER);
1078 if (error)
1079 return error;
1080 if ((IFP2SP(d->ifp)->pp_flags & PP_FR) ||
1081 (d->ifp->if_flags & PP_CISCO))
1082 return EINVAL;
1083 s = splimp ();
1084 CP_LOCK (bd);
1085 if (*(int*)data)
1086 IFP2SP(d->ifp)->pp_flags |= PP_KEEPALIVE;
1087 else
1088 IFP2SP(d->ifp)->pp_flags &= ~PP_KEEPALIVE;
1089 CP_UNLOCK (bd);
1090 splx (s);
1091 return 0;
1092 #endif /*NETGRAPH*/
1093
1094 case SERIAL_GETMODE:
1095 CP_DEBUG2 (d, ("ioctl: getmode\n"));
1096 *(int*)data = SERIAL_HDLC;
1097 return 0;
1098
1099 case SERIAL_SETMODE:
1100 /* Only for superuser! */
1101 error = priv_check (td, PRIV_DRIVER);
1102 if (error)
1103 return error;
1104 if (*(int*)data != SERIAL_HDLC)
1105 return EINVAL;
1106 return 0;
1107
1108 case SERIAL_GETCFG:
1109 CP_DEBUG2 (d, ("ioctl: getcfg\n"));
1110 if (c->type != T_E1 || c->unfram)
1111 return EINVAL;
1112 *(char*)data = c->board->mux ? 'c' : 'a';
1113 return 0;
1114
1115 case SERIAL_SETCFG:
1116 CP_DEBUG2 (d, ("ioctl: setcfg\n"));
1117 error = priv_check (td, PRIV_DRIVER);
1118 if (error)
1119 return error;
1120 if (c->type != T_E1)
1121 return EINVAL;
1122 s = splimp ();
1123 CP_LOCK (bd);
1124 cp_set_mux (c->board, *((char*)data) == 'c');
1125 CP_UNLOCK (bd);
1126 splx (s);
1127 return 0;
1128
1129 case SERIAL_GETSTAT:
1130 CP_DEBUG2 (d, ("ioctl: getstat\n"));
1131 st = (struct serial_statistics*) data;
1132 st->rintr = c->rintr;
1133 st->tintr = c->tintr;
1134 st->mintr = 0;
1135 st->ibytes = c->ibytes;
1136 st->ipkts = c->ipkts;
1137 st->obytes = c->obytes;
1138 st->opkts = c->opkts;
1139 st->ierrs = c->overrun + c->frame + c->crc;
1140 st->oerrs = c->underrun;
1141 return 0;
1142
1143 case SERIAL_GETESTAT:
1144 CP_DEBUG2 (d, ("ioctl: getestat\n"));
1145 if (c->type != T_E1 && c->type != T_G703)
1146 return EINVAL;
1147 opte1 = (struct e1_statistics*) data;
1148 opte1->status = c->status;
1149 opte1->cursec = c->cursec;
1150 opte1->totsec = c->totsec + c->cursec;
1151
1152 opte1->currnt.bpv = c->currnt.bpv;
1153 opte1->currnt.fse = c->currnt.fse;
1154 opte1->currnt.crce = c->currnt.crce;
1155 opte1->currnt.rcrce = c->currnt.rcrce;
1156 opte1->currnt.uas = c->currnt.uas;
1157 opte1->currnt.les = c->currnt.les;
1158 opte1->currnt.es = c->currnt.es;
1159 opte1->currnt.bes = c->currnt.bes;
1160 opte1->currnt.ses = c->currnt.ses;
1161 opte1->currnt.oofs = c->currnt.oofs;
1162 opte1->currnt.css = c->currnt.css;
1163 opte1->currnt.dm = c->currnt.dm;
1164
1165 opte1->total.bpv = c->total.bpv + c->currnt.bpv;
1166 opte1->total.fse = c->total.fse + c->currnt.fse;
1167 opte1->total.crce = c->total.crce + c->currnt.crce;
1168 opte1->total.rcrce = c->total.rcrce + c->currnt.rcrce;
1169 opte1->total.uas = c->total.uas + c->currnt.uas;
1170 opte1->total.les = c->total.les + c->currnt.les;
1171 opte1->total.es = c->total.es + c->currnt.es;
1172 opte1->total.bes = c->total.bes + c->currnt.bes;
1173 opte1->total.ses = c->total.ses + c->currnt.ses;
1174 opte1->total.oofs = c->total.oofs + c->currnt.oofs;
1175 opte1->total.css = c->total.css + c->currnt.css;
1176 opte1->total.dm = c->total.dm + c->currnt.dm;
1177 for (s=0; s<48; ++s) {
1178 opte1->interval[s].bpv = c->interval[s].bpv;
1179 opte1->interval[s].fse = c->interval[s].fse;
1180 opte1->interval[s].crce = c->interval[s].crce;
1181 opte1->interval[s].rcrce = c->interval[s].rcrce;
1182 opte1->interval[s].uas = c->interval[s].uas;
1183 opte1->interval[s].les = c->interval[s].les;
1184 opte1->interval[s].es = c->interval[s].es;
1185 opte1->interval[s].bes = c->interval[s].bes;
1186 opte1->interval[s].ses = c->interval[s].ses;
1187 opte1->interval[s].oofs = c->interval[s].oofs;
1188 opte1->interval[s].css = c->interval[s].css;
1189 opte1->interval[s].dm = c->interval[s].dm;
1190 }
1191 return 0;
1192
1193 case SERIAL_GETE3STAT:
1194 CP_DEBUG2 (d, ("ioctl: gete3stat\n"));
1195 if (c->type != T_E3 && c->type != T_T3 && c->type != T_STS1)
1196 return EINVAL;
1197 opte3 = (struct e3_statistics*) data;
1198
1199 opte3->status = c->e3status;
1200 opte3->cursec = (c->e3csec_5 * 2 + 1) / 10;
1201 opte3->totsec = c->e3tsec + opte3->cursec;
1202
1203 opte3->ccv = c->e3ccv;
1204 opte3->tcv = c->e3tcv + opte3->ccv;
1205
1206 for (s = 0; s < 48; ++s) {
1207 opte3->icv[s] = c->e3icv[s];
1208 }
1209 return 0;
1210
1211 case SERIAL_CLRSTAT:
1212 CP_DEBUG2 (d, ("ioctl: clrstat\n"));
1213 /* Only for superuser! */
1214 error = priv_check (td, PRIV_DRIVER);
1215 if (error)
1216 return error;
1217 c->rintr = 0;
1218 c->tintr = 0;
1219 c->ibytes = 0;
1220 c->obytes = 0;
1221 c->ipkts = 0;
1222 c->opkts = 0;
1223 c->overrun = 0;
1224 c->frame = 0;
1225 c->crc = 0;
1226 c->underrun = 0;
1227 bzero (&c->currnt, sizeof (c->currnt));
1228 bzero (&c->total, sizeof (c->total));
1229 bzero (c->interval, sizeof (c->interval));
1230 c->e3ccv = 0;
1231 c->e3tcv = 0;
1232 bzero (c->e3icv, sizeof (c->e3icv));
1233 return 0;
1234
1235 case SERIAL_GETBAUD:
1236 CP_DEBUG2 (d, ("ioctl: getbaud\n"));
1237 *(long*)data = c->baud;
1238 return 0;
1239
1240 case SERIAL_SETBAUD:
1241 CP_DEBUG2 (d, ("ioctl: setbaud\n"));
1242 /* Only for superuser! */
1243 error = priv_check (td, PRIV_DRIVER);
1244 if (error)
1245 return error;
1246 s = splimp ();
1247 CP_LOCK (bd);
1248 cp_set_baud (c, *(long*)data);
1249 CP_UNLOCK (bd);
1250 splx (s);
1251 return 0;
1252
1253 case SERIAL_GETLOOP:
1254 CP_DEBUG2 (d, ("ioctl: getloop\n"));
1255 *(int*)data = c->lloop;
1256 return 0;
1257
1258 case SERIAL_SETLOOP:
1259 CP_DEBUG2 (d, ("ioctl: setloop\n"));
1260 /* Only for superuser! */
1261 error = priv_check (td, PRIV_DRIVER);
1262 if (error)
1263 return error;
1264 s = splimp ();
1265 CP_LOCK (bd);
1266 cp_set_lloop (c, *(int*)data);
1267 CP_UNLOCK (bd);
1268 splx (s);
1269 return 0;
1270
1271 case SERIAL_GETDPLL:
1272 CP_DEBUG2 (d, ("ioctl: getdpll\n"));
1273 if (c->type != T_SERIAL)
1274 return EINVAL;
1275 *(int*)data = c->dpll;
1276 return 0;
1277
1278 case SERIAL_SETDPLL:
1279 CP_DEBUG2 (d, ("ioctl: setdpll\n"));
1280 /* Only for superuser! */
1281 error = priv_check (td, PRIV_DRIVER);
1282 if (error)
1283 return error;
1284 if (c->type != T_SERIAL)
1285 return EINVAL;
1286 s = splimp ();
1287 CP_LOCK (bd);
1288 cp_set_dpll (c, *(int*)data);
1289 CP_UNLOCK (bd);
1290 splx (s);
1291 return 0;
1292
1293 case SERIAL_GETNRZI:
1294 CP_DEBUG2 (d, ("ioctl: getnrzi\n"));
1295 if (c->type != T_SERIAL)
1296 return EINVAL;
1297 *(int*)data = c->nrzi;
1298 return 0;
1299
1300 case SERIAL_SETNRZI:
1301 CP_DEBUG2 (d, ("ioctl: setnrzi\n"));
1302 /* Only for superuser! */
1303 error = priv_check (td, PRIV_DRIVER);
1304 if (error)
1305 return error;
1306 if (c->type != T_SERIAL)
1307 return EINVAL;
1308 s = splimp ();
1309 CP_LOCK (bd);
1310 cp_set_nrzi (c, *(int*)data);
1311 CP_UNLOCK (bd);
1312 splx (s);
1313 return 0;
1314
1315 case SERIAL_GETDEBUG:
1316 CP_DEBUG2 (d, ("ioctl: getdebug\n"));
1317 *(int*)data = d->chan->debug;
1318 return 0;
1319
1320 case SERIAL_SETDEBUG:
1321 CP_DEBUG2 (d, ("ioctl: setdebug\n"));
1322 /* Only for superuser! */
1323 error = priv_check (td, PRIV_DRIVER);
1324 if (error)
1325 return error;
1326 #ifndef NETGRAPH
1327 /*
1328 * The debug_shadow is always greater than zero for logic
1329 * simplicity. For switching debug off the IFF_DEBUG is
1330 * responsible.
1331 */
1332 d->chan->debug_shadow = (*(int*)data) ? (*(int*)data) : 1;
1333 if (d->ifp->if_flags & IFF_DEBUG)
1334 d->chan->debug = d->chan->debug_shadow;
1335 #else
1336 d->chan->debug = *(int*)data;
1337 #endif
1338 return 0;
1339
1340 case SERIAL_GETHIGAIN:
1341 CP_DEBUG2 (d, ("ioctl: gethigain\n"));
1342 if (c->type != T_E1)
1343 return EINVAL;
1344 *(int*)data = c->higain;
1345 return 0;
1346
1347 case SERIAL_SETHIGAIN:
1348 CP_DEBUG2 (d, ("ioctl: sethigain\n"));
1349 /* Only for superuser! */
1350 error = priv_check (td, PRIV_DRIVER);
1351 if (error)
1352 return error;
1353 if (c->type != T_E1)
1354 return EINVAL;
1355 s = splimp ();
1356 CP_LOCK (bd);
1357 cp_set_higain (c, *(int*)data);
1358 CP_UNLOCK (bd);
1359 splx (s);
1360 return 0;
1361
1362 case SERIAL_GETPHONY:
1363 CP_DEBUG2 (d, ("ioctl: getphony\n"));
1364 if (c->type != T_E1)
1365 return EINVAL;
1366 *(int*)data = c->phony;
1367 return 0;
1368
1369 case SERIAL_SETPHONY:
1370 CP_DEBUG2 (d, ("ioctl: setphony\n"));
1371 /* Only for superuser! */
1372 error = priv_check (td, PRIV_DRIVER);
1373 if (error)
1374 return error;
1375 if (c->type != T_E1)
1376 return EINVAL;
1377 s = splimp ();
1378 CP_LOCK (bd);
1379 cp_set_phony (c, *(int*)data);
1380 CP_UNLOCK (bd);
1381 splx (s);
1382 return 0;
1383
1384 case SERIAL_GETUNFRAM:
1385 CP_DEBUG2 (d, ("ioctl: getunfram\n"));
1386 if (c->type != T_E1)
1387 return EINVAL;
1388 *(int*)data = c->unfram;
1389 return 0;
1390
1391 case SERIAL_SETUNFRAM:
1392 CP_DEBUG2 (d, ("ioctl: setunfram\n"));
1393 /* Only for superuser! */
1394 error = priv_check (td, PRIV_DRIVER);
1395 if (error)
1396 return error;
1397 if (c->type != T_E1)
1398 return EINVAL;
1399 s = splimp ();
1400 CP_LOCK (bd);
1401 cp_set_unfram (c, *(int*)data);
1402 CP_UNLOCK (bd);
1403 splx (s);
1404 return 0;
1405
1406 case SERIAL_GETSCRAMBLER:
1407 CP_DEBUG2 (d, ("ioctl: getscrambler\n"));
1408 if (c->type != T_G703 && !c->unfram)
1409 return EINVAL;
1410 *(int*)data = c->scrambler;
1411 return 0;
1412
1413 case SERIAL_SETSCRAMBLER:
1414 CP_DEBUG2 (d, ("ioctl: setscrambler\n"));
1415 /* Only for superuser! */
1416 error = priv_check (td, PRIV_DRIVER);
1417 if (error)
1418 return error;
1419 if (c->type != T_G703 && !c->unfram)
1420 return EINVAL;
1421 s = splimp ();
1422 CP_LOCK (bd);
1423 cp_set_scrambler (c, *(int*)data);
1424 CP_UNLOCK (bd);
1425 splx (s);
1426 return 0;
1427
1428 case SERIAL_GETMONITOR:
1429 CP_DEBUG2 (d, ("ioctl: getmonitor\n"));
1430 if (c->type != T_E1 &&
1431 c->type != T_E3 &&
1432 c->type != T_T3 &&
1433 c->type != T_STS1)
1434 return EINVAL;
1435 *(int*)data = c->monitor;
1436 return 0;
1437
1438 case SERIAL_SETMONITOR:
1439 CP_DEBUG2 (d, ("ioctl: setmonitor\n"));
1440 /* Only for superuser! */
1441 error = priv_check (td, PRIV_DRIVER);
1442 if (error)
1443 return error;
1444 if (c->type != T_E1)
1445 return EINVAL;
1446 s = splimp ();
1447 CP_LOCK (bd);
1448 cp_set_monitor (c, *(int*)data);
1449 CP_UNLOCK (bd);
1450 splx (s);
1451 return 0;
1452
1453 case SERIAL_GETUSE16:
1454 CP_DEBUG2 (d, ("ioctl: getuse16\n"));
1455 if (c->type != T_E1 || c->unfram)
1456 return EINVAL;
1457 *(int*)data = c->use16;
1458 return 0;
1459
1460 case SERIAL_SETUSE16:
1461 CP_DEBUG2 (d, ("ioctl: setuse16\n"));
1462 /* Only for superuser! */
1463 error = priv_check (td, PRIV_DRIVER);
1464 if (error)
1465 return error;
1466 if (c->type != T_E1)
1467 return EINVAL;
1468 s = splimp ();
1469 CP_LOCK (bd);
1470 cp_set_use16 (c, *(int*)data);
1471 CP_UNLOCK (bd);
1472 splx (s);
1473 return 0;
1474
1475 case SERIAL_GETCRC4:
1476 CP_DEBUG2 (d, ("ioctl: getcrc4\n"));
1477 if (c->type != T_E1 || c->unfram)
1478 return EINVAL;
1479 *(int*)data = c->crc4;
1480 return 0;
1481
1482 case SERIAL_SETCRC4:
1483 CP_DEBUG2 (d, ("ioctl: setcrc4\n"));
1484 /* Only for superuser! */
1485 error = priv_check (td, PRIV_DRIVER);
1486 if (error)
1487 return error;
1488 if (c->type != T_E1)
1489 return EINVAL;
1490 s = splimp ();
1491 CP_LOCK (bd);
1492 cp_set_crc4 (c, *(int*)data);
1493 CP_UNLOCK (bd);
1494 splx (s);
1495 return 0;
1496
1497 case SERIAL_GETCLK:
1498 CP_DEBUG2 (d, ("ioctl: getclk\n"));
1499 if (c->type != T_E1 &&
1500 c->type != T_G703 &&
1501 c->type != T_E3 &&
1502 c->type != T_T3 &&
1503 c->type != T_STS1)
1504 return EINVAL;
1505 switch (c->gsyn) {
1506 default: *(int*)data = E1CLK_INTERNAL; break;
1507 case GSYN_RCV: *(int*)data = E1CLK_RECEIVE; break;
1508 case GSYN_RCV0: *(int*)data = E1CLK_RECEIVE_CHAN0; break;
1509 case GSYN_RCV1: *(int*)data = E1CLK_RECEIVE_CHAN1; break;
1510 case GSYN_RCV2: *(int*)data = E1CLK_RECEIVE_CHAN2; break;
1511 case GSYN_RCV3: *(int*)data = E1CLK_RECEIVE_CHAN3; break;
1512 }
1513 return 0;
1514
1515 case SERIAL_SETCLK:
1516 CP_DEBUG2 (d, ("ioctl: setclk\n"));
1517 /* Only for superuser! */
1518 error = priv_check (td, PRIV_DRIVER);
1519 if (error)
1520 return error;
1521 if (c->type != T_E1 &&
1522 c->type != T_G703 &&
1523 c->type != T_E3 &&
1524 c->type != T_T3 &&
1525 c->type != T_STS1)
1526 return EINVAL;
1527 s = splimp ();
1528 CP_LOCK (bd);
1529 switch (*(int*)data) {
1530 default: cp_set_gsyn (c, GSYN_INT); break;
1531 case E1CLK_RECEIVE: cp_set_gsyn (c, GSYN_RCV); break;
1532 case E1CLK_RECEIVE_CHAN0: cp_set_gsyn (c, GSYN_RCV0); break;
1533 case E1CLK_RECEIVE_CHAN1: cp_set_gsyn (c, GSYN_RCV1); break;
1534 case E1CLK_RECEIVE_CHAN2: cp_set_gsyn (c, GSYN_RCV2); break;
1535 case E1CLK_RECEIVE_CHAN3: cp_set_gsyn (c, GSYN_RCV3); break;
1536 }
1537 CP_UNLOCK (bd);
1538 splx (s);
1539 return 0;
1540
1541 case SERIAL_GETTIMESLOTS:
1542 CP_DEBUG2 (d, ("ioctl: gettimeslots\n"));
1543 if ((c->type != T_E1 || c->unfram) && c->type != T_DATA)
1544 return EINVAL;
1545 *(u_long*)data = c->ts;
1546 return 0;
1547
1548 case SERIAL_SETTIMESLOTS:
1549 CP_DEBUG2 (d, ("ioctl: settimeslots\n"));
1550 /* Only for superuser! */
1551 error = priv_check (td, PRIV_DRIVER);
1552 if (error)
1553 return error;
1554 if ((c->type != T_E1 || c->unfram) && c->type != T_DATA)
1555 return EINVAL;
1556 s = splimp ();
1557 CP_LOCK (bd);
1558 cp_set_ts (c, *(u_long*)data);
1559 CP_UNLOCK (bd);
1560 splx (s);
1561 return 0;
1562
1563 case SERIAL_GETINVCLK:
1564 CP_DEBUG2 (d, ("ioctl: getinvclk\n"));
1565 #if 1
1566 return EINVAL;
1567 #else
1568 if (c->type != T_SERIAL)
1569 return EINVAL;
1570 *(int*)data = c->invtxc;
1571 return 0;
1572 #endif
1573
1574 case SERIAL_SETINVCLK:
1575 CP_DEBUG2 (d, ("ioctl: setinvclk\n"));
1576 /* Only for superuser! */
1577 error = priv_check (td, PRIV_DRIVER);
1578 if (error)
1579 return error;
1580 if (c->type != T_SERIAL)
1581 return EINVAL;
1582 s = splimp ();
1583 CP_LOCK (bd);
1584 cp_set_invtxc (c, *(int*)data);
1585 cp_set_invrxc (c, *(int*)data);
1586 CP_UNLOCK (bd);
1587 splx (s);
1588 return 0;
1589
1590 case SERIAL_GETINVTCLK:
1591 CP_DEBUG2 (d, ("ioctl: getinvtclk\n"));
1592 if (c->type != T_SERIAL)
1593 return EINVAL;
1594 *(int*)data = c->invtxc;
1595 return 0;
1596
1597 case SERIAL_SETINVTCLK:
1598 CP_DEBUG2 (d, ("ioctl: setinvtclk\n"));
1599 /* Only for superuser! */
1600 error = priv_check (td, PRIV_DRIVER);
1601 if (error)
1602 return error;
1603 if (c->type != T_SERIAL)
1604 return EINVAL;
1605 s = splimp ();
1606 CP_LOCK (bd);
1607 cp_set_invtxc (c, *(int*)data);
1608 CP_UNLOCK (bd);
1609 splx (s);
1610 return 0;
1611
1612 case SERIAL_GETINVRCLK:
1613 CP_DEBUG2 (d, ("ioctl: getinvrclk\n"));
1614 if (c->type != T_SERIAL)
1615 return EINVAL;
1616 *(int*)data = c->invrxc;
1617 return 0;
1618
1619 case SERIAL_SETINVRCLK:
1620 CP_DEBUG2 (d, ("ioctl: setinvrclk\n"));
1621 /* Only for superuser! */
1622 error = priv_check (td, PRIV_DRIVER);
1623 if (error)
1624 return error;
1625 if (c->type != T_SERIAL)
1626 return EINVAL;
1627 s = splimp ();
1628 CP_LOCK (bd);
1629 cp_set_invrxc (c, *(int*)data);
1630 CP_UNLOCK (bd);
1631 splx (s);
1632 return 0;
1633
1634 case SERIAL_GETLEVEL:
1635 CP_DEBUG2 (d, ("ioctl: getlevel\n"));
1636 if (c->type != T_G703)
1637 return EINVAL;
1638 s = splimp ();
1639 CP_LOCK (bd);
1640 *(int*)data = cp_get_lq (c);
1641 CP_UNLOCK (bd);
1642 splx (s);
1643 return 0;
1644
1645 #if 0
1646 case SERIAL_RESET:
1647 CP_DEBUG2 (d, ("ioctl: reset\n"));
1648 /* Only for superuser! */
1649 error = priv_check (td, PRIV_DRIVER);
1650 if (error)
1651 return error;
1652 s = splimp ();
1653 CP_LOCK (bd);
1654 cp_reset (c->board, 0, 0);
1655 CP_UNLOCK (bd);
1656 splx (s);
1657 return 0;
1658
1659 case SERIAL_HARDRESET:
1660 CP_DEBUG2 (d, ("ioctl: hardreset\n"));
1661 /* Only for superuser! */
1662 error = priv_check (td, PRIV_DRIVER);
1663 if (error)
1664 return error;
1665 s = splimp ();
1666 CP_LOCK (bd);
1667 /* hard_reset (c->board); */
1668 CP_UNLOCK (bd);
1669 splx (s);
1670 return 0;
1671 #endif
1672
1673 case SERIAL_GETCABLE:
1674 CP_DEBUG2 (d, ("ioctl: getcable\n"));
1675 if (c->type != T_SERIAL)
1676 return EINVAL;
1677 s = splimp ();
1678 CP_LOCK (bd);
1679 *(int*)data = cp_get_cable (c);
1680 CP_UNLOCK (bd);
1681 splx (s);
1682 return 0;
1683
1684 case SERIAL_GETDIR:
1685 CP_DEBUG2 (d, ("ioctl: getdir\n"));
1686 if (c->type != T_E1 && c->type != T_DATA)
1687 return EINVAL;
1688 *(int*)data = c->dir;
1689 return 0;
1690
1691 case SERIAL_SETDIR:
1692 CP_DEBUG2 (d, ("ioctl: setdir\n"));
1693 /* Only for superuser! */
1694 error = priv_check (td, PRIV_DRIVER);
1695 if (error)
1696 return error;
1697 s = splimp ();
1698 CP_LOCK (bd);
1699 cp_set_dir (c, *(int*)data);
1700 CP_UNLOCK (bd);
1701 splx (s);
1702 return 0;
1703
1704 case SERIAL_GETRLOOP:
1705 CP_DEBUG2 (d, ("ioctl: getrloop\n"));
1706 if (c->type != T_G703 &&
1707 c->type != T_E3 &&
1708 c->type != T_T3 &&
1709 c->type != T_STS1)
1710 return EINVAL;
1711 *(int*)data = cp_get_rloop (c);
1712 return 0;
1713
1714 case SERIAL_SETRLOOP:
1715 CP_DEBUG2 (d, ("ioctl: setloop\n"));
1716 if (c->type != T_E3 && c->type != T_T3 && c->type != T_STS1)
1717 return EINVAL;
1718 /* Only for superuser! */
1719 error = priv_check (td, PRIV_DRIVER);
1720 if (error)
1721 return error;
1722 s = splimp ();
1723 CP_LOCK (bd);
1724 cp_set_rloop (c, *(int*)data);
1725 CP_UNLOCK (bd);
1726 splx (s);
1727 return 0;
1728
1729 case SERIAL_GETCABLEN:
1730 CP_DEBUG2 (d, ("ioctl: getcablen\n"));
1731 if (c->type != T_T3 && c->type != T_STS1)
1732 return EINVAL;
1733 *(int*)data = c->cablen;
1734 return 0;
1735
1736 case SERIAL_SETCABLEN:
1737 CP_DEBUG2 (d, ("ioctl: setloop\n"));
1738 if (c->type != T_T3 && c->type != T_STS1)
1739 return EINVAL;
1740 /* Only for superuser! */
1741 error = priv_check (td, PRIV_DRIVER);
1742 if (error)
1743 return error;
1744 s = splimp ();
1745 CP_LOCK (bd);
1746 cp_set_cablen (c, *(int*)data);
1747 CP_UNLOCK (bd);
1748 splx (s);
1749 return 0;
1750
1751 case TIOCSDTR: /* Set DTR */
1752 s = splimp ();
1753 CP_LOCK (bd);
1754 cp_set_dtr (c, 1);
1755 CP_UNLOCK (bd);
1756 splx (s);
1757 return 0;
1758
1759 case TIOCCDTR: /* Clear DTR */
1760 s = splimp ();
1761 CP_LOCK (bd);
1762 cp_set_dtr (c, 0);
1763 CP_UNLOCK (bd);
1764 splx (s);
1765 return 0;
1766
1767 case TIOCMSET: /* Set DTR/RTS */
1768 s = splimp ();
1769 CP_LOCK (bd);
1770 cp_set_dtr (c, (*(int*)data & TIOCM_DTR) ? 1 : 0);
1771 cp_set_rts (c, (*(int*)data & TIOCM_RTS) ? 1 : 0);
1772 CP_UNLOCK (bd);
1773 splx (s);
1774 return 0;
1775
1776 case TIOCMBIS: /* Add DTR/RTS */
1777 s = splimp ();
1778 CP_LOCK (bd);
1779 if (*(int*)data & TIOCM_DTR) cp_set_dtr (c, 1);
1780 if (*(int*)data & TIOCM_RTS) cp_set_rts (c, 1);
1781 CP_UNLOCK (bd);
1782 splx (s);
1783 return 0;
1784
1785 case TIOCMBIC: /* Clear DTR/RTS */
1786 s = splimp ();
1787 CP_LOCK (bd);
1788 if (*(int*)data & TIOCM_DTR) cp_set_dtr (c, 0);
1789 if (*(int*)data & TIOCM_RTS) cp_set_rts (c, 0);
1790 CP_UNLOCK (bd);
1791 splx (s);
1792 return 0;
1793
1794 case TIOCMGET: /* Get modem status */
1795 *(int*)data = cp_modem_status (c);
1796 return 0;
1797 }
1798 return ENOTTY;
1799 }
1800
1801 #ifdef NETGRAPH
1802 static int ng_cp_constructor (node_p node)
1803 {
1804 drv_t *d = NG_NODE_PRIVATE (node);
1805 CP_DEBUG (d, ("Constructor\n"));
1806 return EINVAL;
1807 }
1808
1809 static int ng_cp_newhook (node_p node, hook_p hook, const char *name)
1810 {
1811 int s;
1812 drv_t *d = NG_NODE_PRIVATE (node);
1813 bdrv_t *bd = d->board->sys;
1814
1815 CP_DEBUG (d, ("Newhook\n"));
1816 /* Attach debug hook */
1817 if (strcmp (name, NG_CP_HOOK_DEBUG) == 0) {
1818 NG_HOOK_SET_PRIVATE (hook, NULL);
1819 d->debug_hook = hook;
1820 return 0;
1821 }
1822
1823 /* Check for raw hook */
1824 if (strcmp (name, NG_CP_HOOK_RAW) != 0)
1825 return EINVAL;
1826
1827 NG_HOOK_SET_PRIVATE (hook, d);
1828 d->hook = hook;
1829 s = splimp ();
1830 CP_LOCK (bd);
1831 cp_up (d);
1832 CP_UNLOCK (bd);
1833 splx (s);
1834 return 0;
1835 }
1836
1837 static char *format_timeslots (u_long s)
1838 {
1839 static char buf [100];
1840 char *p = buf;
1841 int i;
1842
1843 for (i=1; i<32; ++i)
1844 if ((s >> i) & 1) {
1845 int prev = (i > 1) & (s >> (i-1));
1846 int next = (i < 31) & (s >> (i+1));
1847
1848 if (prev) {
1849 if (next)
1850 continue;
1851 *p++ = '-';
1852 } else if (p > buf)
1853 *p++ = ',';
1854
1855 if (i >= 10)
1856 *p++ = '' + i / 10;
1857 *p++ = '' + i % 10;
1858 }
1859 *p = 0;
1860 return buf;
1861 }
1862
1863 static int print_modems (char *s, cp_chan_t *c, int need_header)
1864 {
1865 int status = cp_modem_status (c);
1866 int length = 0;
1867
1868 if (need_header)
1869 length += sprintf (s + length, " LE DTR DSR RTS CTS CD\n");
1870 length += sprintf (s + length, "%4s %4s %4s %4s %4s %4s\n",
1871 status & TIOCM_LE ? "On" : "-",
1872 status & TIOCM_DTR ? "On" : "-",
1873 status & TIOCM_DSR ? "On" : "-",
1874 status & TIOCM_RTS ? "On" : "-",
1875 status & TIOCM_CTS ? "On" : "-",
1876 status & TIOCM_CD ? "On" : "-");
1877 return length;
1878 }
1879
1880 static int print_stats (char *s, cp_chan_t *c, int need_header)
1881 {
1882 int length = 0;
1883
1884 if (need_header)
1885 length += sprintf (s + length, " Rintr Tintr Mintr Ibytes Ipkts Ierrs Obytes Opkts Oerrs\n");
1886 length += sprintf (s + length, "%7ld %7ld %7ld %8lu %7ld %7ld %8lu %7ld %7ld\n",
1887 c->rintr, c->tintr, 0l, (unsigned long) c->ibytes,
1888 c->ipkts, c->overrun + c->frame + c->crc,
1889 (unsigned long) c->obytes, c->opkts, c->underrun);
1890 return length;
1891 }
1892
1893 static char *format_e1_status (u_char status)
1894 {
1895 static char buf [80];
1896
1897 if (status & E1_NOALARM)
1898 return "Ok";
1899 buf[0] = 0;
1900 if (status & E1_LOS) strcat (buf, ",LOS");
1901 if (status & E1_AIS) strcat (buf, ",AIS");
1902 if (status & E1_LOF) strcat (buf, ",LOF");
1903 if (status & E1_LOMF) strcat (buf, ",LOMF");
1904 if (status & E1_FARLOF) strcat (buf, ",FARLOF");
1905 if (status & E1_AIS16) strcat (buf, ",AIS16");
1906 if (status & E1_FARLOMF) strcat (buf, ",FARLOMF");
1907 if (status & E1_TSTREQ) strcat (buf, ",TSTREQ");
1908 if (status & E1_TSTERR) strcat (buf, ",TSTERR");
1909 if (buf[0] == ',')
1910 return buf+1;
1911 return "Unknown";
1912 }
1913
1914 static int print_frac (char *s, int leftalign, u_long numerator, u_long divider)
1915 {
1916 int n, length = 0;
1917
1918 if (numerator < 1 || divider < 1) {
1919 length += sprintf (s+length, leftalign ? "/- " : " -");
1920 return length;
1921 }
1922 n = (int) (0.5 + 1000.0 * numerator / divider);
1923 if (n < 1000) {
1924 length += sprintf (s+length, leftalign ? "/.%-3d" : " .%03d", n);
1925 return length;
1926 }
1927 *(s + length) = leftalign ? '/' : ' ';
1928 length ++;
1929
1930 if (n >= 1000000) n = (n+500) / 1000 * 1000;
1931 else if (n >= 100000) n = (n+50) / 100 * 100;
1932 else if (n >= 10000) n = (n+5) / 10 * 10;
1933
1934 switch (n) {
1935 case 1000: length += printf (s+length, ".999"); return length;
1936 case 10000: n = 9990; break;
1937 case 100000: n = 99900; break;
1938 case 1000000: n = 999000; break;
1939 }
1940 if (n < 10000) length += sprintf (s+length, "%d.%d", n/1000, n/10%100);
1941 else if (n < 100000) length += sprintf (s+length, "%d.%d", n/1000, n/100%10);
1942 else if (n < 1000000) length += sprintf (s+length, "%d.", n/1000);
1943 else length += sprintf (s+length, "%d", n/1000);
1944
1945 return length;
1946 }
1947
1948 static int print_e1_stats (char *s, cp_chan_t *c)
1949 {
1950 struct e1_counters total;
1951 u_long totsec;
1952 int length = 0;
1953
1954 totsec = c->totsec + c->cursec;
1955 total.bpv = c->total.bpv + c->currnt.bpv;
1956 total.fse = c->total.fse + c->currnt.fse;
1957 total.crce = c->total.crce + c->currnt.crce;
1958 total.rcrce = c->total.rcrce + c->currnt.rcrce;
1959 total.uas = c->total.uas + c->currnt.uas;
1960 total.les = c->total.les + c->currnt.les;
1961 total.es = c->total.es + c->currnt.es;
1962 total.bes = c->total.bes + c->currnt.bes;
1963 total.ses = c->total.ses + c->currnt.ses;
1964 total.oofs = c->total.oofs + c->currnt.oofs;
1965 total.css = c->total.css + c->currnt.css;
1966 total.dm = c->total.dm + c->currnt.dm;
1967
1968 length += sprintf (s + length, " Unav/Degr Bpv/Fsyn CRC/RCRC Err/Lerr Sev/Bur Oof/Slp Status\n");
1969
1970 /* Unavailable seconds, degraded minutes */
1971 length += print_frac (s + length, 0, c->currnt.uas, c->cursec);
1972 length += print_frac (s + length, 1, 60 * c->currnt.dm, c->cursec);
1973
1974 /* Bipolar violations, frame sync errors */
1975 length += print_frac (s + length, 0, c->currnt.bpv, c->cursec);
1976 length += print_frac (s + length, 1, c->currnt.fse, c->cursec);
1977
1978 /* CRC errors, remote CRC errors (E-bit) */
1979 length += print_frac (s + length, 0, c->currnt.crce, c->cursec);
1980 length += print_frac (s + length, 1, c->currnt.rcrce, c->cursec);
1981
1982 /* Errored seconds, line errored seconds */
1983 length += print_frac (s + length, 0, c->currnt.es, c->cursec);
1984 length += print_frac (s + length, 1, c->currnt.les, c->cursec);
1985
1986 /* Severely errored seconds, burst errored seconds */
1987 length += print_frac (s + length, 0, c->currnt.ses, c->cursec);
1988 length += print_frac (s + length, 1, c->currnt.bes, c->cursec);
1989
1990 /* Out of frame seconds, controlled slip seconds */
1991 length += print_frac (s + length, 0, c->currnt.oofs, c->cursec);
1992 length += print_frac (s + length, 1, c->currnt.css, c->cursec);
1993
1994 length += sprintf (s + length, " %s\n", format_e1_status (c->status));
1995
1996 /* Print total statistics. */
1997 length += print_frac (s + length, 0, total.uas, totsec);
1998 length += print_frac (s + length, 1, 60 * total.dm, totsec);
1999
2000 length += print_frac (s + length, 0, total.bpv, totsec);
2001 length += print_frac (s + length, 1, total.fse, totsec);
2002
2003 length += print_frac (s + length, 0, total.crce, totsec);
2004 length += print_frac (s + length, 1, total.rcrce, totsec);
2005
2006 length += print_frac (s + length, 0, total.es, totsec);
2007 length += print_frac (s + length, 1, total.les, totsec);
2008
2009 length += print_frac (s + length, 0, total.ses, totsec);
2010 length += print_frac (s + length, 1, total.bes, totsec);
2011
2012 length += print_frac (s + length, 0, total.oofs, totsec);
2013 length += print_frac (s + length, 1, total.css, totsec);
2014
2015 length += sprintf (s + length, " -- Total\n");
2016 return length;
2017 }
2018
2019 static int print_chan (char *s, cp_chan_t *c)
2020 {
2021 drv_t *d = c->sys;
2022 bdrv_t *bd = d->board->sys;
2023 int length = 0;
2024
2025 length += sprintf (s + length, "cp%d", c->board->num * NCHAN + c->num);
2026 if (d->chan->debug)
2027 length += sprintf (s + length, " debug=%d", d->chan->debug);
2028
2029 if (c->board->mux) {
2030 length += sprintf (s + length, " cfg=C");
2031 } else {
2032 length += sprintf (s + length, " cfg=A");
2033 }
2034
2035 if (c->baud)
2036 length += sprintf (s + length, " %ld", c->baud);
2037 else
2038 length += sprintf (s + length, " extclock");
2039
2040 if (c->type == T_E1 || c->type == T_G703)
2041 switch (c->gsyn) {
2042 case GSYN_INT : length += sprintf (s + length, " syn=int"); break;
2043 case GSYN_RCV : length += sprintf (s + length, " syn=rcv"); break;
2044 case GSYN_RCV0 : length += sprintf (s + length, " syn=rcv0"); break;
2045 case GSYN_RCV1 : length += sprintf (s + length, " syn=rcv1"); break;
2046 case GSYN_RCV2 : length += sprintf (s + length, " syn=rcv2"); break;
2047 case GSYN_RCV3 : length += sprintf (s + length, " syn=rcv3"); break;
2048 }
2049 if (c->type == T_SERIAL) {
2050 length += sprintf (s + length, " dpll=%s", c->dpll ? "on" : "off");
2051 length += sprintf (s + length, " nrzi=%s", c->nrzi ? "on" : "off");
2052 length += sprintf (s + length, " invclk=%s", c->invtxc ? "on" : "off");
2053 }
2054 if (c->type == T_E1)
2055 length += sprintf (s + length, " higain=%s", c->higain ? "on" : "off");
2056
2057 length += sprintf (s + length, " loop=%s", c->lloop ? "on" : "off");
2058
2059 if (c->type == T_E1)
2060 length += sprintf (s + length, " ts=%s", format_timeslots (c->ts));
2061 if (c->type == T_G703) {
2062 int lq, x;
2063
2064 x = splimp ();
2065 CP_LOCK (bd);
2066 lq = cp_get_lq (c);
2067 CP_UNLOCK (bd);
2068 splx (x);
2069 length += sprintf (s + length, " (level=-%.1fdB)", lq / 10.0);
2070 }
2071 length += sprintf (s + length, "\n");
2072 return length;
2073 }
2074
2075 static int ng_cp_rcvmsg (node_p node, item_p item, hook_p lasthook)
2076 {
2077 drv_t *d = NG_NODE_PRIVATE (node);
2078 struct ng_mesg *msg;
2079 struct ng_mesg *resp = NULL;
2080 int error = 0;
2081
2082 CP_DEBUG (d, ("Rcvmsg\n"));
2083 NGI_GET_MSG (item, msg);
2084 switch (msg->header.typecookie) {
2085 default:
2086 error = EINVAL;
2087 break;
2088
2089 case NGM_CP_COOKIE:
2090 printf ("Not implemented yet\n");
2091 error = EINVAL;
2092 break;
2093
2094 case NGM_GENERIC_COOKIE:
2095 switch (msg->header.cmd) {
2096 default:
2097 error = EINVAL;
2098 break;
2099
2100 case NGM_TEXT_STATUS: {
2101 char *s;
2102 int l = 0;
2103 int dl = sizeof (struct ng_mesg) + 730;
2104
2105 NG_MKRESPONSE (resp, msg, dl, M_NOWAIT);
2106 if (! resp) {
2107 error = ENOMEM;
2108 break;
2109 }
2110 s = (resp)->data;
2111 if (d) {
2112 l += print_chan (s + l, d->chan);
2113 l += print_stats (s + l, d->chan, 1);
2114 l += print_modems (s + l, d->chan, 1);
2115 l += print_e1_stats (s + l, d->chan);
2116 } else
2117 l += sprintf (s + l, "Error: node not connect to channel");
2118 strncpy ((resp)->header.cmdstr, "status", NG_CMDSTRSIZ);
2119 }
2120 break;
2121 }
2122 break;
2123 }
2124 NG_RESPOND_MSG (error, node, item, resp);
2125 NG_FREE_MSG (msg);
2126 return error;
2127 }
2128
2129 static int ng_cp_rcvdata (hook_p hook, item_p item)
2130 {
2131 drv_t *d = NG_NODE_PRIVATE (NG_HOOK_NODE(hook));
2132 struct mbuf *m;
2133 struct ng_tag_prio *ptag;
2134 bdrv_t *bd = d->board->sys;
2135 struct ifqueue *q;
2136 int s;
2137
2138 CP_DEBUG2 (d, ("Rcvdata\n"));
2139 NGI_GET_M (item, m);
2140 NG_FREE_ITEM (item);
2141 if (! NG_HOOK_PRIVATE (hook) || ! d) {
2142 NG_FREE_M (m);
2143 return ENETDOWN;
2144 }
2145
2146 /* Check for high priority data */
2147 if ((ptag = (struct ng_tag_prio *)m_tag_locate(m, NGM_GENERIC_COOKIE,
2148 NG_TAG_PRIO, NULL)) != NULL && (ptag->priority > NG_PRIO_CUTOFF) )
2149 q = &d->hi_queue;
2150 else
2151 q = &d->queue;
2152
2153 s = splimp ();
2154 CP_LOCK (bd);
2155 IF_LOCK (q);
2156 if (_IF_QFULL (q)) {
2157 _IF_DROP (q);
2158 IF_UNLOCK (q);
2159 CP_UNLOCK (bd);
2160 splx (s);
2161 NG_FREE_M (m);
2162 return ENOBUFS;
2163 }
2164 _IF_ENQUEUE (q, m);
2165 IF_UNLOCK (q);
2166 cp_start (d);
2167 CP_UNLOCK (bd);
2168 splx (s);
2169 return 0;
2170 }
2171
2172 static int ng_cp_rmnode (node_p node)
2173 {
2174 drv_t *d = NG_NODE_PRIVATE (node);
2175
2176 CP_DEBUG (d, ("Rmnode\n"));
2177 if (d && d->running) {
2178 bdrv_t *bd = d->board->sys;
2179 int s = splimp ();
2180 CP_LOCK (bd);
2181 cp_down (d);
2182 CP_UNLOCK (bd);
2183 splx (s);
2184 }
2185 #ifdef KLD_MODULE
2186 if (node->nd_flags & NGF_REALLY_DIE) {
2187 NG_NODE_SET_PRIVATE (node, NULL);
2188 NG_NODE_UNREF (node);
2189 }
2190 NG_NODE_REVIVE(node); /* Persistant node */
2191 #endif
2192 return 0;
2193 }
2194
2195 static int ng_cp_connect (hook_p hook)
2196 {
2197 drv_t *d = NG_NODE_PRIVATE (NG_HOOK_NODE (hook));
2198
2199 if (d) {
2200 CP_DEBUG (d, ("Connect\n"));
2201 callout_reset (&d->timeout_handle, hz, cp_watchdog_timer, d);
2202 }
2203
2204 return 0;
2205 }
2206
2207 static int ng_cp_disconnect (hook_p hook)
2208 {
2209 drv_t *d = NG_NODE_PRIVATE (NG_HOOK_NODE (hook));
2210
2211 if (d) {
2212 CP_DEBUG (d, ("Disconnect\n"));
2213 if (NG_HOOK_PRIVATE (hook))
2214 {
2215 bdrv_t *bd = d->board->sys;
2216 int s = splimp ();
2217 CP_LOCK (bd);
2218 cp_down (d);
2219 CP_UNLOCK (bd);
2220 splx (s);
2221 }
2222 /* If we were wait it than it reasserted now, just stop it. */
2223 if (!callout_drain (&d->timeout_handle))
2224 callout_stop (&d->timeout_handle);
2225 }
2226 return 0;
2227 }
2228 #endif
2229
2230 static int cp_modevent (module_t mod, int type, void *unused)
2231 {
2232 static int load_count = 0;
2233
2234 switch (type) {
2235 case MOD_LOAD:
2236 #ifdef NETGRAPH
2237 if (ng_newtype (&typestruct))
2238 printf ("Failed to register ng_cp\n");
2239 #endif
2240 ++load_count;
2241 callout_init (&timeout_handle, CALLOUT_MPSAFE);
2242 callout_reset (&timeout_handle, hz*5, cp_timeout, 0);
2243 break;
2244 case MOD_UNLOAD:
2245 if (load_count == 1) {
2246 printf ("Removing device entry for Tau-PCI\n");
2247 #ifdef NETGRAPH
2248 ng_rmtype (&typestruct);
2249 #endif
2250 }
2251 /* If we were wait it than it reasserted now, just stop it.
2252 * Actually we shouldn't get this condition. But code could be
2253 * changed in the future, so just be a litle paranoid.
2254 */
2255 if (!callout_drain (&timeout_handle))
2256 callout_stop (&timeout_handle);
2257 --load_count;
2258 break;
2259 case MOD_SHUTDOWN:
2260 break;
2261 }
2262 return 0;
2263 }
2264
2265 #ifdef NETGRAPH
2266 static struct ng_type typestruct = {
2267 .version = NG_ABI_VERSION,
2268 .name = NG_CP_NODE_TYPE,
2269 .constructor = ng_cp_constructor,
2270 .rcvmsg = ng_cp_rcvmsg,
2271 .shutdown = ng_cp_rmnode,
2272 .newhook = ng_cp_newhook,
2273 .connect = ng_cp_connect,
2274 .rcvdata = ng_cp_rcvdata,
2275 .disconnect = ng_cp_disconnect,
2276 };
2277 #endif /*NETGRAPH*/
2278
2279 #ifdef NETGRAPH
2280 MODULE_DEPEND (ng_cp, netgraph, NG_ABI_VERSION, NG_ABI_VERSION, NG_ABI_VERSION);
2281 #else
2282 MODULE_DEPEND (cp, sppp, 1, 1, 1);
2283 #endif
2284 DRIVER_MODULE (cp, pci, cp_driver, cp_devclass, cp_modevent, NULL);
2285 MODULE_VERSION (cp, 1);
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