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/8.1/sys/dev/cp/if_cp.c 193813 2009-06-09 07:14:32Z imp $");
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 short timeout;
121 struct callout timeout_handle;
122 #else
123 struct ifqueue queue;
124 struct ifnet *ifp;
125 #endif
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 #ifdef NETGRAPH
155 extern struct ng_type typestruct;
156 #else
157 static void cp_ifstart (struct ifnet *ifp);
158 static void cp_tlf (struct sppp *sp);
159 static void cp_tls (struct sppp *sp);
160 static void cp_ifwatchdog (struct ifnet *ifp);
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 #ifdef NETGRAPH
494 if (ng_make_node_common (&typestruct, &d->node) != 0) {
495 printf ("%s: cannot make common node\n", d->name);
496 d->node = NULL;
497 continue;
498 }
499 NG_NODE_SET_PRIVATE (d->node, d);
500 sprintf (d->nodename, "%s%d", NG_CP_NODE_TYPE,
501 c->board->num*NCHAN + c->num);
502 if (ng_name_node (d->node, d->nodename)) {
503 printf ("%s: cannot name node\n", d->nodename);
504 NG_NODE_UNREF (d->node);
505 continue;
506 }
507 d->queue.ifq_maxlen = IFQ_MAXLEN;
508 d->hi_queue.ifq_maxlen = IFQ_MAXLEN;
509 mtx_init (&d->queue.ifq_mtx, "cp_queue", NULL, MTX_DEF);
510 mtx_init (&d->hi_queue.ifq_mtx, "cp_queue_hi", NULL, MTX_DEF);
511 callout_init (&d->timeout_handle, CALLOUT_MPSAFE);
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_watchdog = cp_ifwatchdog;
525 d->ifp->if_init = cp_initialize;
526 d->queue.ifq_maxlen = NRBUF;
527 mtx_init (&d->queue.ifq_mtx, "cp_queue", NULL, MTX_DEF);
528 sppp_attach (d->ifp);
529 if_attach (d->ifp);
530 IFP2SP(d->ifp)->pp_tlf = cp_tlf;
531 IFP2SP(d->ifp)->pp_tls = cp_tls;
532 /* If BPF is in the kernel, call the attach for it.
533 * The header size of PPP or Cisco/HDLC is 4 bytes. */
534 bpfattach (d->ifp, DLT_PPP, 4);
535 #endif /*NETGRAPH*/
536 cp_start_e1 (c);
537 cp_start_chan (c, 1, 1, d->dmamem.virt, d->dmamem.phys);
538
539 /* Register callback functions. */
540 cp_register_transmit (c, &cp_transmit);
541 cp_register_receive (c, &cp_receive);
542 cp_register_error (c, &cp_error);
543 d->devt = make_dev (&cp_cdevsw, b->num*NCHAN+c->num, UID_ROOT,
544 GID_WHEEL, 0600, "cp%d", b->num*NCHAN+c->num);
545 }
546 CP_LOCK (bd);
547 b->sys = bd;
548 adapter[unit] = b;
549 CP_UNLOCK (bd);
550 splx (s);
551 return 0;
552 }
553
554 static int cp_detach (device_t dev)
555 {
556 bdrv_t *bd = device_get_softc (dev);
557 cp_board_t *b = bd->board;
558 cp_chan_t *c;
559 int s;
560
561 KASSERT (mtx_initialized (&bd->cp_mtx), ("cp mutex not initialized"));
562 s = splimp ();
563 CP_LOCK (bd);
564 /* Check if the device is busy (open). */
565 for (c = b->chan; c < b->chan + NCHAN; ++c) {
566 drv_t *d = (drv_t*) c->sys;
567
568 if (! d || ! d->chan->type)
569 continue;
570 if (d->running) {
571 CP_UNLOCK (bd);
572 splx (s);
573 return EBUSY;
574 }
575 }
576
577 /* Ok, we can unload driver */
578 /* At first we should stop all channels */
579 for (c = b->chan; c < b->chan + NCHAN; ++c) {
580 drv_t *d = (drv_t*) c->sys;
581
582 if (! d || ! d->chan->type)
583 continue;
584
585 cp_stop_chan (c);
586 cp_stop_e1 (c);
587 cp_set_dtr (d->chan, 0);
588 cp_set_rts (d->chan, 0);
589 }
590
591 /* Reset the adapter. */
592 cp_destroy = 1;
593 cp_interrupt_poll (b, 1);
594 cp_led_off (b);
595 cp_reset (b, 0 ,0);
596 callout_stop (&led_timo[b->num]);
597
598 /* Disable the interrupt request. */
599 bus_teardown_intr (dev, bd->cp_irq, bd->cp_intrhand);
600
601 for (c=b->chan; c<b->chan+NCHAN; ++c) {
602 drv_t *d = (drv_t*) c->sys;
603
604 if (! d || ! d->chan->type)
605 continue;
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 s = splimp ();
643 for (c = b->chan; c < b->chan + NCHAN; ++c) {
644 drv_t *d = (drv_t*) c->sys;
645
646 if (! d || ! d->chan->type)
647 continue;
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 splx (s);
656 mtx_destroy (&bd->cp_mtx);
657 return 0;
658 }
659
660 #ifndef NETGRAPH
661 static void cp_ifstart (struct ifnet *ifp)
662 {
663 drv_t *d = ifp->if_softc;
664 bdrv_t *bd = d->board->sys;
665
666 CP_LOCK (bd);
667 cp_start (d);
668 CP_UNLOCK (bd);
669 }
670
671 static void cp_ifwatchdog (struct ifnet *ifp)
672 {
673 drv_t *d = ifp->if_softc;
674
675 cp_watchdog (d);
676 }
677
678 static void cp_tlf (struct sppp *sp)
679 {
680 drv_t *d = SP2IFP(sp)->if_softc;
681
682 CP_DEBUG2 (d, ("cp_tlf\n"));
683 /* XXXRIK: Don't forget to protect them by LOCK, or kill them. */
684 /* cp_set_dtr (d->chan, 0);*/
685 /* cp_set_rts (d->chan, 0);*/
686 if (!(sp->pp_flags & PP_FR) && !(d->ifp->if_flags & PP_CISCO))
687 sp->pp_down (sp);
688 }
689
690 static void cp_tls (struct sppp *sp)
691 {
692 drv_t *d = SP2IFP(sp)->if_softc;
693
694 CP_DEBUG2 (d, ("cp_tls\n"));
695 if (!(sp->pp_flags & PP_FR) && !(d->ifp->if_flags & PP_CISCO))
696 sp->pp_up (sp);
697 }
698
699 /*
700 * Process an ioctl request.
701 */
702 static int cp_sioctl (struct ifnet *ifp, u_long cmd, caddr_t data)
703 {
704 drv_t *d = ifp->if_softc;
705 bdrv_t *bd = d->board->sys;
706 int error, s, was_up, should_be_up;
707
708 was_up = (ifp->if_drv_flags & IFF_DRV_RUNNING) != 0;
709 error = sppp_ioctl (ifp, cmd, data);
710
711 if (error)
712 return error;
713
714 if (! (ifp->if_flags & IFF_DEBUG))
715 d->chan->debug = 0;
716 else
717 d->chan->debug = d->chan->debug_shadow;
718
719 switch (cmd) {
720 default: CP_DEBUG2 (d, ("ioctl 0x%lx\n", cmd)); return 0;
721 case SIOCADDMULTI: CP_DEBUG2 (d, ("ioctl SIOCADDMULTI\n")); return 0;
722 case SIOCDELMULTI: CP_DEBUG2 (d, ("ioctl SIOCDELMULTI\n")); return 0;
723 case SIOCSIFFLAGS: CP_DEBUG2 (d, ("ioctl SIOCSIFFLAGS\n")); break;
724 case SIOCSIFADDR: CP_DEBUG2 (d, ("ioctl SIOCSIFADDR\n")); break;
725 }
726
727 /* We get here only in case of SIFFLAGS or SIFADDR. */
728 s = splimp ();
729 CP_LOCK (bd);
730 should_be_up = (ifp->if_drv_flags & IFF_DRV_RUNNING) != 0;
731 if (! was_up && should_be_up) {
732 /* Interface goes up -- start it. */
733 cp_up (d);
734 cp_start (d);
735 } else if (was_up && ! should_be_up) {
736 /* Interface is going down -- stop it. */
737 /* if ((IFP2SP(ifp)->pp_flags & PP_FR) || (ifp->if_flags & PP_CISCO))*/
738 cp_down (d);
739 }
740 CP_DEBUG (d, ("ioctl 0x%lx p4\n", cmd));
741 CP_UNLOCK (bd);
742 splx (s);
743 return 0;
744 }
745
746 /*
747 * Initialization of interface.
748 * It seems to be never called by upper level?
749 */
750 static void cp_initialize (void *softc)
751 {
752 drv_t *d = softc;
753
754 CP_DEBUG (d, ("cp_initialize\n"));
755 }
756 #endif /*NETGRAPH*/
757
758 /*
759 * Stop the interface. Called on splimp().
760 */
761 static void cp_down (drv_t *d)
762 {
763 CP_DEBUG (d, ("cp_down\n"));
764 /* Interface is going down -- stop it. */
765 cp_set_dtr (d->chan, 0);
766 cp_set_rts (d->chan, 0);
767
768 d->running = 0;
769 }
770
771 /*
772 * Start the interface. Called on splimp().
773 */
774 static void cp_up (drv_t *d)
775 {
776 CP_DEBUG (d, ("cp_up\n"));
777 cp_set_dtr (d->chan, 1);
778 cp_set_rts (d->chan, 1);
779 d->running = 1;
780 }
781
782 /*
783 * Start output on the interface. Get another datagram to send
784 * off of the interface queue, and copy it to the interface
785 * before starting the output.
786 */
787 static void cp_send (drv_t *d)
788 {
789 struct mbuf *m;
790 u_short len;
791
792 CP_DEBUG2 (d, ("cp_send, tn=%d te=%d\n", d->chan->tn, d->chan->te));
793
794 /* No output if the interface is down. */
795 if (! d->running)
796 return;
797
798 /* No output if the modem is off. */
799 if (! (d->chan->lloop || d->chan->type != T_SERIAL ||
800 cp_get_dsr (d->chan)))
801 return;
802
803 while (cp_transmit_space (d->chan)) {
804 /* Get the packet to send. */
805 #ifdef NETGRAPH
806 IF_DEQUEUE (&d->hi_queue, m);
807 if (! m)
808 IF_DEQUEUE (&d->queue, m);
809 #else
810 m = sppp_dequeue (d->ifp);
811 #endif
812 if (! m)
813 return;
814 #ifndef NETGRAPH
815 BPF_MTAP (d->ifp, m);
816 #endif
817 len = m_length (m, NULL);
818 if (len >= BUFSZ)
819 printf ("%s: too long packet: %d bytes: ",
820 d->name, len);
821 else if (! m->m_next)
822 cp_send_packet (d->chan, (u_char*) mtod (m, caddr_t), len, 0);
823 else {
824 u_char *buf = d->chan->tbuf[d->chan->te];
825 m_copydata (m, 0, len, buf);
826 cp_send_packet (d->chan, buf, len, 0);
827 }
828 m_freem (m);
829 /* Set up transmit timeout, if the transmit ring is not empty.*/
830 #ifdef NETGRAPH
831 d->timeout = 10;
832 #else
833 d->ifp->if_timer = 10;
834 #endif
835 }
836 #ifndef NETGRAPH
837 d->ifp->if_drv_flags |= IFF_DRV_OACTIVE;
838 #endif
839 }
840
841 /*
842 * Start output on the interface.
843 * Always called on splimp().
844 */
845 static void cp_start (drv_t *d)
846 {
847 if (d->running) {
848 if (! d->chan->dtr)
849 cp_set_dtr (d->chan, 1);
850 if (! d->chan->rts)
851 cp_set_rts (d->chan, 1);
852 cp_send (d);
853 }
854 }
855
856 /*
857 * Handle transmit timeouts.
858 * Recover after lost transmit interrupts.
859 * Always called on splimp().
860 */
861 static void cp_watchdog (drv_t *d)
862 {
863 bdrv_t *bd = d->board->sys;
864 CP_DEBUG (d, ("device timeout\n"));
865 if (d->running) {
866 int s = splimp ();
867
868 CP_LOCK (bd);
869 cp_stop_chan (d->chan);
870 cp_stop_e1 (d->chan);
871 cp_start_e1 (d->chan);
872 cp_start_chan (d->chan, 1, 1, 0, 0);
873 cp_set_dtr (d->chan, 1);
874 cp_set_rts (d->chan, 1);
875 cp_start (d);
876 CP_UNLOCK (bd);
877 splx (s);
878 }
879 }
880
881 static void cp_transmit (cp_chan_t *c, void *attachment, int len)
882 {
883 drv_t *d = c->sys;
884
885 #ifdef NETGRAPH
886 d->timeout = 0;
887 #else
888 ++d->ifp->if_opackets;
889 d->ifp->if_drv_flags &= ~IFF_DRV_OACTIVE;
890 d->ifp->if_timer = 0;
891 #endif
892 cp_start (d);
893 }
894
895 static void cp_receive (cp_chan_t *c, unsigned char *data, int len)
896 {
897 drv_t *d = c->sys;
898 struct mbuf *m;
899 #ifdef NETGRAPH
900 int error;
901 #endif
902
903 if (! d->running)
904 return;
905
906 m = makembuf (data, len);
907 if (! m) {
908 CP_DEBUG (d, ("no memory for packet\n"));
909 #ifndef NETGRAPH
910 ++d->ifp->if_iqdrops;
911 #endif
912 return;
913 }
914 if (c->debug > 1)
915 printmbuf (m);
916 #ifdef NETGRAPH
917 m->m_pkthdr.rcvif = 0;
918 NG_SEND_DATA_ONLY (error, d->hook, m);
919 #else
920 ++d->ifp->if_ipackets;
921 m->m_pkthdr.rcvif = d->ifp;
922 /* Check if there's a BPF listener on this interface.
923 * If so, hand off the raw packet to bpf. */
924 BPF_TAP (d->ifp, data, len);
925 IF_ENQUEUE (&d->queue, m);
926 #endif
927 }
928
929 static void cp_error (cp_chan_t *c, int data)
930 {
931 drv_t *d = c->sys;
932
933 switch (data) {
934 case CP_FRAME:
935 CP_DEBUG (d, ("frame error\n"));
936 #ifndef NETGRAPH
937 ++d->ifp->if_ierrors;
938 #endif
939 break;
940 case CP_CRC:
941 CP_DEBUG (d, ("crc error\n"));
942 #ifndef NETGRAPH
943 ++d->ifp->if_ierrors;
944 #endif
945 break;
946 case CP_OVERRUN:
947 CP_DEBUG (d, ("overrun error\n"));
948 #ifndef NETGRAPH
949 ++d->ifp->if_collisions;
950 ++d->ifp->if_ierrors;
951 #endif
952 break;
953 case CP_OVERFLOW:
954 CP_DEBUG (d, ("overflow error\n"));
955 #ifndef NETGRAPH
956 ++d->ifp->if_ierrors;
957 #endif
958 break;
959 case CP_UNDERRUN:
960 CP_DEBUG (d, ("underrun error\n"));
961 #ifdef NETGRAPH
962 d->timeout = 0;
963 #else
964 ++d->ifp->if_oerrors;
965 d->ifp->if_drv_flags &= ~IFF_DRV_OACTIVE;
966 d->ifp->if_timer = 0;
967 #endif
968 cp_start (d);
969 break;
970 default:
971 CP_DEBUG (d, ("error #%d\n", data));
972 break;
973 }
974 }
975
976 /*
977 * You also need read, write, open, close routines.
978 * This should get you started
979 */
980 static int cp_open (struct cdev *dev, int oflags, int devtype, struct thread *td)
981 {
982 int unit = dev2unit (dev);
983 drv_t *d;
984
985 if (unit >= NBRD*NCHAN || ! (d = channel[unit]))
986 return ENXIO;
987 CP_DEBUG2 (d, ("cp_open\n"));
988 return 0;
989 }
990
991 /*
992 * Only called on the LAST close.
993 */
994 static int cp_close (struct cdev *dev, int fflag, int devtype, struct thread *td)
995 {
996 drv_t *d = channel [dev2unit (dev)];
997
998 CP_DEBUG2 (d, ("cp_close\n"));
999 return 0;
1000 }
1001
1002 static int cp_modem_status (cp_chan_t *c)
1003 {
1004 drv_t *d = c->sys;
1005 bdrv_t *bd = d->board->sys;
1006 int status, s;
1007
1008 status = d->running ? TIOCM_LE : 0;
1009 s = splimp ();
1010 CP_LOCK (bd);
1011 if (cp_get_cd (c)) status |= TIOCM_CD;
1012 if (cp_get_cts (c)) status |= TIOCM_CTS;
1013 if (cp_get_dsr (c)) status |= TIOCM_DSR;
1014 if (c->dtr) status |= TIOCM_DTR;
1015 if (c->rts) status |= TIOCM_RTS;
1016 CP_UNLOCK (bd);
1017 splx (s);
1018 return status;
1019 }
1020
1021 static int cp_ioctl (struct cdev *dev, u_long cmd, caddr_t data, int flag, struct thread *td)
1022 {
1023 drv_t *d = channel [dev2unit (dev)];
1024 bdrv_t *bd = d->board->sys;
1025 cp_chan_t *c = d->chan;
1026 struct serial_statistics *st;
1027 struct e1_statistics *opte1;
1028 struct e3_statistics *opte3;
1029 int error, s;
1030 char mask[16];
1031
1032 switch (cmd) {
1033 case SERIAL_GETREGISTERED:
1034 CP_DEBUG2 (d, ("ioctl: getregistered\n"));
1035 bzero (mask, sizeof(mask));
1036 for (s=0; s<NBRD*NCHAN; ++s)
1037 if (channel [s])
1038 mask [s/8] |= 1 << (s & 7);
1039 bcopy (mask, data, sizeof (mask));
1040 return 0;
1041
1042 #ifndef NETGRAPH
1043 case SERIAL_GETPROTO:
1044 CP_DEBUG2 (d, ("ioctl: getproto\n"));
1045 strcpy ((char*)data, (IFP2SP(d->ifp)->pp_flags & PP_FR) ? "fr" :
1046 (d->ifp->if_flags & PP_CISCO) ? "cisco" : "ppp");
1047 return 0;
1048
1049 case SERIAL_SETPROTO:
1050 CP_DEBUG2 (d, ("ioctl: setproto\n"));
1051 /* Only for superuser! */
1052 error = priv_check (td, PRIV_DRIVER);
1053 if (error)
1054 return error;
1055 if (d->ifp->if_drv_flags & IFF_DRV_RUNNING)
1056 return EBUSY;
1057 if (! strcmp ("cisco", (char*)data)) {
1058 IFP2SP(d->ifp)->pp_flags &= ~(PP_FR);
1059 IFP2SP(d->ifp)->pp_flags |= PP_KEEPALIVE;
1060 d->ifp->if_flags |= PP_CISCO;
1061 } else if (! strcmp ("fr", (char*)data) && PP_FR) {
1062 d->ifp->if_flags &= ~(PP_CISCO);
1063 IFP2SP(d->ifp)->pp_flags |= PP_FR | PP_KEEPALIVE;
1064 } else if (! strcmp ("ppp", (char*)data)) {
1065 IFP2SP(d->ifp)->pp_flags &= ~PP_FR;
1066 IFP2SP(d->ifp)->pp_flags &= ~PP_KEEPALIVE;
1067 d->ifp->if_flags &= ~(PP_CISCO);
1068 } else
1069 return EINVAL;
1070 return 0;
1071
1072 case SERIAL_GETKEEPALIVE:
1073 CP_DEBUG2 (d, ("ioctl: getkeepalive\n"));
1074 if ((IFP2SP(d->ifp)->pp_flags & PP_FR) ||
1075 (d->ifp->if_flags & PP_CISCO))
1076 return EINVAL;
1077 *(int*)data = (IFP2SP(d->ifp)->pp_flags & PP_KEEPALIVE) ? 1 : 0;
1078 return 0;
1079
1080 case SERIAL_SETKEEPALIVE:
1081 CP_DEBUG2 (d, ("ioctl: setkeepalive\n"));
1082 /* Only for superuser! */
1083 error = priv_check (td, PRIV_DRIVER);
1084 if (error)
1085 return error;
1086 if ((IFP2SP(d->ifp)->pp_flags & PP_FR) ||
1087 (d->ifp->if_flags & PP_CISCO))
1088 return EINVAL;
1089 s = splimp ();
1090 CP_LOCK (bd);
1091 if (*(int*)data)
1092 IFP2SP(d->ifp)->pp_flags |= PP_KEEPALIVE;
1093 else
1094 IFP2SP(d->ifp)->pp_flags &= ~PP_KEEPALIVE;
1095 CP_UNLOCK (bd);
1096 splx (s);
1097 return 0;
1098 #endif /*NETGRAPH*/
1099
1100 case SERIAL_GETMODE:
1101 CP_DEBUG2 (d, ("ioctl: getmode\n"));
1102 *(int*)data = SERIAL_HDLC;
1103 return 0;
1104
1105 case SERIAL_SETMODE:
1106 /* Only for superuser! */
1107 error = priv_check (td, PRIV_DRIVER);
1108 if (error)
1109 return error;
1110 if (*(int*)data != SERIAL_HDLC)
1111 return EINVAL;
1112 return 0;
1113
1114 case SERIAL_GETCFG:
1115 CP_DEBUG2 (d, ("ioctl: getcfg\n"));
1116 if (c->type != T_E1 || c->unfram)
1117 return EINVAL;
1118 *(char*)data = c->board->mux ? 'c' : 'a';
1119 return 0;
1120
1121 case SERIAL_SETCFG:
1122 CP_DEBUG2 (d, ("ioctl: setcfg\n"));
1123 error = priv_check (td, PRIV_DRIVER);
1124 if (error)
1125 return error;
1126 if (c->type != T_E1)
1127 return EINVAL;
1128 s = splimp ();
1129 CP_LOCK (bd);
1130 cp_set_mux (c->board, *((char*)data) == 'c');
1131 CP_UNLOCK (bd);
1132 splx (s);
1133 return 0;
1134
1135 case SERIAL_GETSTAT:
1136 CP_DEBUG2 (d, ("ioctl: getstat\n"));
1137 st = (struct serial_statistics*) data;
1138 st->rintr = c->rintr;
1139 st->tintr = c->tintr;
1140 st->mintr = 0;
1141 st->ibytes = c->ibytes;
1142 st->ipkts = c->ipkts;
1143 st->obytes = c->obytes;
1144 st->opkts = c->opkts;
1145 st->ierrs = c->overrun + c->frame + c->crc;
1146 st->oerrs = c->underrun;
1147 return 0;
1148
1149 case SERIAL_GETESTAT:
1150 CP_DEBUG2 (d, ("ioctl: getestat\n"));
1151 if (c->type != T_E1 && c->type != T_G703)
1152 return EINVAL;
1153 opte1 = (struct e1_statistics*) data;
1154 opte1->status = c->status;
1155 opte1->cursec = c->cursec;
1156 opte1->totsec = c->totsec + c->cursec;
1157
1158 opte1->currnt.bpv = c->currnt.bpv;
1159 opte1->currnt.fse = c->currnt.fse;
1160 opte1->currnt.crce = c->currnt.crce;
1161 opte1->currnt.rcrce = c->currnt.rcrce;
1162 opte1->currnt.uas = c->currnt.uas;
1163 opte1->currnt.les = c->currnt.les;
1164 opte1->currnt.es = c->currnt.es;
1165 opte1->currnt.bes = c->currnt.bes;
1166 opte1->currnt.ses = c->currnt.ses;
1167 opte1->currnt.oofs = c->currnt.oofs;
1168 opte1->currnt.css = c->currnt.css;
1169 opte1->currnt.dm = c->currnt.dm;
1170
1171 opte1->total.bpv = c->total.bpv + c->currnt.bpv;
1172 opte1->total.fse = c->total.fse + c->currnt.fse;
1173 opte1->total.crce = c->total.crce + c->currnt.crce;
1174 opte1->total.rcrce = c->total.rcrce + c->currnt.rcrce;
1175 opte1->total.uas = c->total.uas + c->currnt.uas;
1176 opte1->total.les = c->total.les + c->currnt.les;
1177 opte1->total.es = c->total.es + c->currnt.es;
1178 opte1->total.bes = c->total.bes + c->currnt.bes;
1179 opte1->total.ses = c->total.ses + c->currnt.ses;
1180 opte1->total.oofs = c->total.oofs + c->currnt.oofs;
1181 opte1->total.css = c->total.css + c->currnt.css;
1182 opte1->total.dm = c->total.dm + c->currnt.dm;
1183 for (s=0; s<48; ++s) {
1184 opte1->interval[s].bpv = c->interval[s].bpv;
1185 opte1->interval[s].fse = c->interval[s].fse;
1186 opte1->interval[s].crce = c->interval[s].crce;
1187 opte1->interval[s].rcrce = c->interval[s].rcrce;
1188 opte1->interval[s].uas = c->interval[s].uas;
1189 opte1->interval[s].les = c->interval[s].les;
1190 opte1->interval[s].es = c->interval[s].es;
1191 opte1->interval[s].bes = c->interval[s].bes;
1192 opte1->interval[s].ses = c->interval[s].ses;
1193 opte1->interval[s].oofs = c->interval[s].oofs;
1194 opte1->interval[s].css = c->interval[s].css;
1195 opte1->interval[s].dm = c->interval[s].dm;
1196 }
1197 return 0;
1198
1199 case SERIAL_GETE3STAT:
1200 CP_DEBUG2 (d, ("ioctl: gete3stat\n"));
1201 if (c->type != T_E3 && c->type != T_T3 && c->type != T_STS1)
1202 return EINVAL;
1203 opte3 = (struct e3_statistics*) data;
1204
1205 opte3->status = c->e3status;
1206 opte3->cursec = (c->e3csec_5 * 2 + 1) / 10;
1207 opte3->totsec = c->e3tsec + opte3->cursec;
1208
1209 opte3->ccv = c->e3ccv;
1210 opte3->tcv = c->e3tcv + opte3->ccv;
1211
1212 for (s = 0; s < 48; ++s) {
1213 opte3->icv[s] = c->e3icv[s];
1214 }
1215 return 0;
1216
1217 case SERIAL_CLRSTAT:
1218 CP_DEBUG2 (d, ("ioctl: clrstat\n"));
1219 /* Only for superuser! */
1220 error = priv_check (td, PRIV_DRIVER);
1221 if (error)
1222 return error;
1223 c->rintr = 0;
1224 c->tintr = 0;
1225 c->ibytes = 0;
1226 c->obytes = 0;
1227 c->ipkts = 0;
1228 c->opkts = 0;
1229 c->overrun = 0;
1230 c->frame = 0;
1231 c->crc = 0;
1232 c->underrun = 0;
1233 bzero (&c->currnt, sizeof (c->currnt));
1234 bzero (&c->total, sizeof (c->total));
1235 bzero (c->interval, sizeof (c->interval));
1236 c->e3ccv = 0;
1237 c->e3tcv = 0;
1238 bzero (c->e3icv, sizeof (c->e3icv));
1239 return 0;
1240
1241 case SERIAL_GETBAUD:
1242 CP_DEBUG2 (d, ("ioctl: getbaud\n"));
1243 *(long*)data = c->baud;
1244 return 0;
1245
1246 case SERIAL_SETBAUD:
1247 CP_DEBUG2 (d, ("ioctl: setbaud\n"));
1248 /* Only for superuser! */
1249 error = priv_check (td, PRIV_DRIVER);
1250 if (error)
1251 return error;
1252 s = splimp ();
1253 CP_LOCK (bd);
1254 cp_set_baud (c, *(long*)data);
1255 CP_UNLOCK (bd);
1256 splx (s);
1257 return 0;
1258
1259 case SERIAL_GETLOOP:
1260 CP_DEBUG2 (d, ("ioctl: getloop\n"));
1261 *(int*)data = c->lloop;
1262 return 0;
1263
1264 case SERIAL_SETLOOP:
1265 CP_DEBUG2 (d, ("ioctl: setloop\n"));
1266 /* Only for superuser! */
1267 error = priv_check (td, PRIV_DRIVER);
1268 if (error)
1269 return error;
1270 s = splimp ();
1271 CP_LOCK (bd);
1272 cp_set_lloop (c, *(int*)data);
1273 CP_UNLOCK (bd);
1274 splx (s);
1275 return 0;
1276
1277 case SERIAL_GETDPLL:
1278 CP_DEBUG2 (d, ("ioctl: getdpll\n"));
1279 if (c->type != T_SERIAL)
1280 return EINVAL;
1281 *(int*)data = c->dpll;
1282 return 0;
1283
1284 case SERIAL_SETDPLL:
1285 CP_DEBUG2 (d, ("ioctl: setdpll\n"));
1286 /* Only for superuser! */
1287 error = priv_check (td, PRIV_DRIVER);
1288 if (error)
1289 return error;
1290 if (c->type != T_SERIAL)
1291 return EINVAL;
1292 s = splimp ();
1293 CP_LOCK (bd);
1294 cp_set_dpll (c, *(int*)data);
1295 CP_UNLOCK (bd);
1296 splx (s);
1297 return 0;
1298
1299 case SERIAL_GETNRZI:
1300 CP_DEBUG2 (d, ("ioctl: getnrzi\n"));
1301 if (c->type != T_SERIAL)
1302 return EINVAL;
1303 *(int*)data = c->nrzi;
1304 return 0;
1305
1306 case SERIAL_SETNRZI:
1307 CP_DEBUG2 (d, ("ioctl: setnrzi\n"));
1308 /* Only for superuser! */
1309 error = priv_check (td, PRIV_DRIVER);
1310 if (error)
1311 return error;
1312 if (c->type != T_SERIAL)
1313 return EINVAL;
1314 s = splimp ();
1315 CP_LOCK (bd);
1316 cp_set_nrzi (c, *(int*)data);
1317 CP_UNLOCK (bd);
1318 splx (s);
1319 return 0;
1320
1321 case SERIAL_GETDEBUG:
1322 CP_DEBUG2 (d, ("ioctl: getdebug\n"));
1323 *(int*)data = d->chan->debug;
1324 return 0;
1325
1326 case SERIAL_SETDEBUG:
1327 CP_DEBUG2 (d, ("ioctl: setdebug\n"));
1328 /* Only for superuser! */
1329 error = priv_check (td, PRIV_DRIVER);
1330 if (error)
1331 return error;
1332 #ifndef NETGRAPH
1333 /*
1334 * The debug_shadow is always greater than zero for logic
1335 * simplicity. For switching debug off the IFF_DEBUG is
1336 * responsible.
1337 */
1338 d->chan->debug_shadow = (*(int*)data) ? (*(int*)data) : 1;
1339 if (d->ifp->if_flags & IFF_DEBUG)
1340 d->chan->debug = d->chan->debug_shadow;
1341 #else
1342 d->chan->debug = *(int*)data;
1343 #endif
1344 return 0;
1345
1346 case SERIAL_GETHIGAIN:
1347 CP_DEBUG2 (d, ("ioctl: gethigain\n"));
1348 if (c->type != T_E1)
1349 return EINVAL;
1350 *(int*)data = c->higain;
1351 return 0;
1352
1353 case SERIAL_SETHIGAIN:
1354 CP_DEBUG2 (d, ("ioctl: sethigain\n"));
1355 /* Only for superuser! */
1356 error = priv_check (td, PRIV_DRIVER);
1357 if (error)
1358 return error;
1359 if (c->type != T_E1)
1360 return EINVAL;
1361 s = splimp ();
1362 CP_LOCK (bd);
1363 cp_set_higain (c, *(int*)data);
1364 CP_UNLOCK (bd);
1365 splx (s);
1366 return 0;
1367
1368 case SERIAL_GETPHONY:
1369 CP_DEBUG2 (d, ("ioctl: getphony\n"));
1370 if (c->type != T_E1)
1371 return EINVAL;
1372 *(int*)data = c->phony;
1373 return 0;
1374
1375 case SERIAL_SETPHONY:
1376 CP_DEBUG2 (d, ("ioctl: setphony\n"));
1377 /* Only for superuser! */
1378 error = priv_check (td, PRIV_DRIVER);
1379 if (error)
1380 return error;
1381 if (c->type != T_E1)
1382 return EINVAL;
1383 s = splimp ();
1384 CP_LOCK (bd);
1385 cp_set_phony (c, *(int*)data);
1386 CP_UNLOCK (bd);
1387 splx (s);
1388 return 0;
1389
1390 case SERIAL_GETUNFRAM:
1391 CP_DEBUG2 (d, ("ioctl: getunfram\n"));
1392 if (c->type != T_E1)
1393 return EINVAL;
1394 *(int*)data = c->unfram;
1395 return 0;
1396
1397 case SERIAL_SETUNFRAM:
1398 CP_DEBUG2 (d, ("ioctl: setunfram\n"));
1399 /* Only for superuser! */
1400 error = priv_check (td, PRIV_DRIVER);
1401 if (error)
1402 return error;
1403 if (c->type != T_E1)
1404 return EINVAL;
1405 s = splimp ();
1406 CP_LOCK (bd);
1407 cp_set_unfram (c, *(int*)data);
1408 CP_UNLOCK (bd);
1409 splx (s);
1410 return 0;
1411
1412 case SERIAL_GETSCRAMBLER:
1413 CP_DEBUG2 (d, ("ioctl: getscrambler\n"));
1414 if (c->type != T_G703 && !c->unfram)
1415 return EINVAL;
1416 *(int*)data = c->scrambler;
1417 return 0;
1418
1419 case SERIAL_SETSCRAMBLER:
1420 CP_DEBUG2 (d, ("ioctl: setscrambler\n"));
1421 /* Only for superuser! */
1422 error = priv_check (td, PRIV_DRIVER);
1423 if (error)
1424 return error;
1425 if (c->type != T_G703 && !c->unfram)
1426 return EINVAL;
1427 s = splimp ();
1428 CP_LOCK (bd);
1429 cp_set_scrambler (c, *(int*)data);
1430 CP_UNLOCK (bd);
1431 splx (s);
1432 return 0;
1433
1434 case SERIAL_GETMONITOR:
1435 CP_DEBUG2 (d, ("ioctl: getmonitor\n"));
1436 if (c->type != T_E1 &&
1437 c->type != T_E3 &&
1438 c->type != T_T3 &&
1439 c->type != T_STS1)
1440 return EINVAL;
1441 *(int*)data = c->monitor;
1442 return 0;
1443
1444 case SERIAL_SETMONITOR:
1445 CP_DEBUG2 (d, ("ioctl: setmonitor\n"));
1446 /* Only for superuser! */
1447 error = priv_check (td, PRIV_DRIVER);
1448 if (error)
1449 return error;
1450 if (c->type != T_E1)
1451 return EINVAL;
1452 s = splimp ();
1453 CP_LOCK (bd);
1454 cp_set_monitor (c, *(int*)data);
1455 CP_UNLOCK (bd);
1456 splx (s);
1457 return 0;
1458
1459 case SERIAL_GETUSE16:
1460 CP_DEBUG2 (d, ("ioctl: getuse16\n"));
1461 if (c->type != T_E1 || c->unfram)
1462 return EINVAL;
1463 *(int*)data = c->use16;
1464 return 0;
1465
1466 case SERIAL_SETUSE16:
1467 CP_DEBUG2 (d, ("ioctl: setuse16\n"));
1468 /* Only for superuser! */
1469 error = priv_check (td, PRIV_DRIVER);
1470 if (error)
1471 return error;
1472 if (c->type != T_E1)
1473 return EINVAL;
1474 s = splimp ();
1475 CP_LOCK (bd);
1476 cp_set_use16 (c, *(int*)data);
1477 CP_UNLOCK (bd);
1478 splx (s);
1479 return 0;
1480
1481 case SERIAL_GETCRC4:
1482 CP_DEBUG2 (d, ("ioctl: getcrc4\n"));
1483 if (c->type != T_E1 || c->unfram)
1484 return EINVAL;
1485 *(int*)data = c->crc4;
1486 return 0;
1487
1488 case SERIAL_SETCRC4:
1489 CP_DEBUG2 (d, ("ioctl: setcrc4\n"));
1490 /* Only for superuser! */
1491 error = priv_check (td, PRIV_DRIVER);
1492 if (error)
1493 return error;
1494 if (c->type != T_E1)
1495 return EINVAL;
1496 s = splimp ();
1497 CP_LOCK (bd);
1498 cp_set_crc4 (c, *(int*)data);
1499 CP_UNLOCK (bd);
1500 splx (s);
1501 return 0;
1502
1503 case SERIAL_GETCLK:
1504 CP_DEBUG2 (d, ("ioctl: getclk\n"));
1505 if (c->type != T_E1 &&
1506 c->type != T_G703 &&
1507 c->type != T_E3 &&
1508 c->type != T_T3 &&
1509 c->type != T_STS1)
1510 return EINVAL;
1511 switch (c->gsyn) {
1512 default: *(int*)data = E1CLK_INTERNAL; break;
1513 case GSYN_RCV: *(int*)data = E1CLK_RECEIVE; break;
1514 case GSYN_RCV0: *(int*)data = E1CLK_RECEIVE_CHAN0; break;
1515 case GSYN_RCV1: *(int*)data = E1CLK_RECEIVE_CHAN1; break;
1516 case GSYN_RCV2: *(int*)data = E1CLK_RECEIVE_CHAN2; break;
1517 case GSYN_RCV3: *(int*)data = E1CLK_RECEIVE_CHAN3; break;
1518 }
1519 return 0;
1520
1521 case SERIAL_SETCLK:
1522 CP_DEBUG2 (d, ("ioctl: setclk\n"));
1523 /* Only for superuser! */
1524 error = priv_check (td, PRIV_DRIVER);
1525 if (error)
1526 return error;
1527 if (c->type != T_E1 &&
1528 c->type != T_G703 &&
1529 c->type != T_E3 &&
1530 c->type != T_T3 &&
1531 c->type != T_STS1)
1532 return EINVAL;
1533 s = splimp ();
1534 CP_LOCK (bd);
1535 switch (*(int*)data) {
1536 default: cp_set_gsyn (c, GSYN_INT); break;
1537 case E1CLK_RECEIVE: cp_set_gsyn (c, GSYN_RCV); break;
1538 case E1CLK_RECEIVE_CHAN0: cp_set_gsyn (c, GSYN_RCV0); break;
1539 case E1CLK_RECEIVE_CHAN1: cp_set_gsyn (c, GSYN_RCV1); break;
1540 case E1CLK_RECEIVE_CHAN2: cp_set_gsyn (c, GSYN_RCV2); break;
1541 case E1CLK_RECEIVE_CHAN3: cp_set_gsyn (c, GSYN_RCV3); break;
1542 }
1543 CP_UNLOCK (bd);
1544 splx (s);
1545 return 0;
1546
1547 case SERIAL_GETTIMESLOTS:
1548 CP_DEBUG2 (d, ("ioctl: gettimeslots\n"));
1549 if ((c->type != T_E1 || c->unfram) && c->type != T_DATA)
1550 return EINVAL;
1551 *(u_long*)data = c->ts;
1552 return 0;
1553
1554 case SERIAL_SETTIMESLOTS:
1555 CP_DEBUG2 (d, ("ioctl: settimeslots\n"));
1556 /* Only for superuser! */
1557 error = priv_check (td, PRIV_DRIVER);
1558 if (error)
1559 return error;
1560 if ((c->type != T_E1 || c->unfram) && c->type != T_DATA)
1561 return EINVAL;
1562 s = splimp ();
1563 CP_LOCK (bd);
1564 cp_set_ts (c, *(u_long*)data);
1565 CP_UNLOCK (bd);
1566 splx (s);
1567 return 0;
1568
1569 case SERIAL_GETINVCLK:
1570 CP_DEBUG2 (d, ("ioctl: getinvclk\n"));
1571 #if 1
1572 return EINVAL;
1573 #else
1574 if (c->type != T_SERIAL)
1575 return EINVAL;
1576 *(int*)data = c->invtxc;
1577 return 0;
1578 #endif
1579
1580 case SERIAL_SETINVCLK:
1581 CP_DEBUG2 (d, ("ioctl: setinvclk\n"));
1582 /* Only for superuser! */
1583 error = priv_check (td, PRIV_DRIVER);
1584 if (error)
1585 return error;
1586 if (c->type != T_SERIAL)
1587 return EINVAL;
1588 s = splimp ();
1589 CP_LOCK (bd);
1590 cp_set_invtxc (c, *(int*)data);
1591 cp_set_invrxc (c, *(int*)data);
1592 CP_UNLOCK (bd);
1593 splx (s);
1594 return 0;
1595
1596 case SERIAL_GETINVTCLK:
1597 CP_DEBUG2 (d, ("ioctl: getinvtclk\n"));
1598 if (c->type != T_SERIAL)
1599 return EINVAL;
1600 *(int*)data = c->invtxc;
1601 return 0;
1602
1603 case SERIAL_SETINVTCLK:
1604 CP_DEBUG2 (d, ("ioctl: setinvtclk\n"));
1605 /* Only for superuser! */
1606 error = priv_check (td, PRIV_DRIVER);
1607 if (error)
1608 return error;
1609 if (c->type != T_SERIAL)
1610 return EINVAL;
1611 s = splimp ();
1612 CP_LOCK (bd);
1613 cp_set_invtxc (c, *(int*)data);
1614 CP_UNLOCK (bd);
1615 splx (s);
1616 return 0;
1617
1618 case SERIAL_GETINVRCLK:
1619 CP_DEBUG2 (d, ("ioctl: getinvrclk\n"));
1620 if (c->type != T_SERIAL)
1621 return EINVAL;
1622 *(int*)data = c->invrxc;
1623 return 0;
1624
1625 case SERIAL_SETINVRCLK:
1626 CP_DEBUG2 (d, ("ioctl: setinvrclk\n"));
1627 /* Only for superuser! */
1628 error = priv_check (td, PRIV_DRIVER);
1629 if (error)
1630 return error;
1631 if (c->type != T_SERIAL)
1632 return EINVAL;
1633 s = splimp ();
1634 CP_LOCK (bd);
1635 cp_set_invrxc (c, *(int*)data);
1636 CP_UNLOCK (bd);
1637 splx (s);
1638 return 0;
1639
1640 case SERIAL_GETLEVEL:
1641 CP_DEBUG2 (d, ("ioctl: getlevel\n"));
1642 if (c->type != T_G703)
1643 return EINVAL;
1644 s = splimp ();
1645 CP_LOCK (bd);
1646 *(int*)data = cp_get_lq (c);
1647 CP_UNLOCK (bd);
1648 splx (s);
1649 return 0;
1650
1651 #if 0
1652 case SERIAL_RESET:
1653 CP_DEBUG2 (d, ("ioctl: reset\n"));
1654 /* Only for superuser! */
1655 error = priv_check (td, PRIV_DRIVER);
1656 if (error)
1657 return error;
1658 s = splimp ();
1659 CP_LOCK (bd);
1660 cp_reset (c->board, 0, 0);
1661 CP_UNLOCK (bd);
1662 splx (s);
1663 return 0;
1664
1665 case SERIAL_HARDRESET:
1666 CP_DEBUG2 (d, ("ioctl: hardreset\n"));
1667 /* Only for superuser! */
1668 error = priv_check (td, PRIV_DRIVER);
1669 if (error)
1670 return error;
1671 s = splimp ();
1672 CP_LOCK (bd);
1673 /* hard_reset (c->board); */
1674 CP_UNLOCK (bd);
1675 splx (s);
1676 return 0;
1677 #endif
1678
1679 case SERIAL_GETCABLE:
1680 CP_DEBUG2 (d, ("ioctl: getcable\n"));
1681 if (c->type != T_SERIAL)
1682 return EINVAL;
1683 s = splimp ();
1684 CP_LOCK (bd);
1685 *(int*)data = cp_get_cable (c);
1686 CP_UNLOCK (bd);
1687 splx (s);
1688 return 0;
1689
1690 case SERIAL_GETDIR:
1691 CP_DEBUG2 (d, ("ioctl: getdir\n"));
1692 if (c->type != T_E1 && c->type != T_DATA)
1693 return EINVAL;
1694 *(int*)data = c->dir;
1695 return 0;
1696
1697 case SERIAL_SETDIR:
1698 CP_DEBUG2 (d, ("ioctl: setdir\n"));
1699 /* Only for superuser! */
1700 error = priv_check (td, PRIV_DRIVER);
1701 if (error)
1702 return error;
1703 s = splimp ();
1704 CP_LOCK (bd);
1705 cp_set_dir (c, *(int*)data);
1706 CP_UNLOCK (bd);
1707 splx (s);
1708 return 0;
1709
1710 case SERIAL_GETRLOOP:
1711 CP_DEBUG2 (d, ("ioctl: getrloop\n"));
1712 if (c->type != T_G703 &&
1713 c->type != T_E3 &&
1714 c->type != T_T3 &&
1715 c->type != T_STS1)
1716 return EINVAL;
1717 *(int*)data = cp_get_rloop (c);
1718 return 0;
1719
1720 case SERIAL_SETRLOOP:
1721 CP_DEBUG2 (d, ("ioctl: setloop\n"));
1722 if (c->type != T_E3 && c->type != T_T3 && c->type != T_STS1)
1723 return EINVAL;
1724 /* Only for superuser! */
1725 error = priv_check (td, PRIV_DRIVER);
1726 if (error)
1727 return error;
1728 s = splimp ();
1729 CP_LOCK (bd);
1730 cp_set_rloop (c, *(int*)data);
1731 CP_UNLOCK (bd);
1732 splx (s);
1733 return 0;
1734
1735 case SERIAL_GETCABLEN:
1736 CP_DEBUG2 (d, ("ioctl: getcablen\n"));
1737 if (c->type != T_T3 && c->type != T_STS1)
1738 return EINVAL;
1739 *(int*)data = c->cablen;
1740 return 0;
1741
1742 case SERIAL_SETCABLEN:
1743 CP_DEBUG2 (d, ("ioctl: setloop\n"));
1744 if (c->type != T_T3 && c->type != T_STS1)
1745 return EINVAL;
1746 /* Only for superuser! */
1747 error = priv_check (td, PRIV_DRIVER);
1748 if (error)
1749 return error;
1750 s = splimp ();
1751 CP_LOCK (bd);
1752 cp_set_cablen (c, *(int*)data);
1753 CP_UNLOCK (bd);
1754 splx (s);
1755 return 0;
1756
1757 case TIOCSDTR: /* Set DTR */
1758 s = splimp ();
1759 CP_LOCK (bd);
1760 cp_set_dtr (c, 1);
1761 CP_UNLOCK (bd);
1762 splx (s);
1763 return 0;
1764
1765 case TIOCCDTR: /* Clear DTR */
1766 s = splimp ();
1767 CP_LOCK (bd);
1768 cp_set_dtr (c, 0);
1769 CP_UNLOCK (bd);
1770 splx (s);
1771 return 0;
1772
1773 case TIOCMSET: /* Set DTR/RTS */
1774 s = splimp ();
1775 CP_LOCK (bd);
1776 cp_set_dtr (c, (*(int*)data & TIOCM_DTR) ? 1 : 0);
1777 cp_set_rts (c, (*(int*)data & TIOCM_RTS) ? 1 : 0);
1778 CP_UNLOCK (bd);
1779 splx (s);
1780 return 0;
1781
1782 case TIOCMBIS: /* Add DTR/RTS */
1783 s = splimp ();
1784 CP_LOCK (bd);
1785 if (*(int*)data & TIOCM_DTR) cp_set_dtr (c, 1);
1786 if (*(int*)data & TIOCM_RTS) cp_set_rts (c, 1);
1787 CP_UNLOCK (bd);
1788 splx (s);
1789 return 0;
1790
1791 case TIOCMBIC: /* Clear DTR/RTS */
1792 s = splimp ();
1793 CP_LOCK (bd);
1794 if (*(int*)data & TIOCM_DTR) cp_set_dtr (c, 0);
1795 if (*(int*)data & TIOCM_RTS) cp_set_rts (c, 0);
1796 CP_UNLOCK (bd);
1797 splx (s);
1798 return 0;
1799
1800 case TIOCMGET: /* Get modem status */
1801 *(int*)data = cp_modem_status (c);
1802 return 0;
1803 }
1804 return ENOTTY;
1805 }
1806
1807 #ifdef NETGRAPH
1808 static int ng_cp_constructor (node_p node)
1809 {
1810 drv_t *d = NG_NODE_PRIVATE (node);
1811 CP_DEBUG (d, ("Constructor\n"));
1812 return EINVAL;
1813 }
1814
1815 static int ng_cp_newhook (node_p node, hook_p hook, const char *name)
1816 {
1817 int s;
1818 drv_t *d = NG_NODE_PRIVATE (node);
1819 bdrv_t *bd = d->board->sys;
1820
1821 CP_DEBUG (d, ("Newhook\n"));
1822 /* Attach debug hook */
1823 if (strcmp (name, NG_CP_HOOK_DEBUG) == 0) {
1824 NG_HOOK_SET_PRIVATE (hook, NULL);
1825 d->debug_hook = hook;
1826 return 0;
1827 }
1828
1829 /* Check for raw hook */
1830 if (strcmp (name, NG_CP_HOOK_RAW) != 0)
1831 return EINVAL;
1832
1833 NG_HOOK_SET_PRIVATE (hook, d);
1834 d->hook = hook;
1835 s = splimp ();
1836 CP_LOCK (bd);
1837 cp_up (d);
1838 CP_UNLOCK (bd);
1839 splx (s);
1840 return 0;
1841 }
1842
1843 static char *format_timeslots (u_long s)
1844 {
1845 static char buf [100];
1846 char *p = buf;
1847 int i;
1848
1849 for (i=1; i<32; ++i)
1850 if ((s >> i) & 1) {
1851 int prev = (i > 1) & (s >> (i-1));
1852 int next = (i < 31) & (s >> (i+1));
1853
1854 if (prev) {
1855 if (next)
1856 continue;
1857 *p++ = '-';
1858 } else if (p > buf)
1859 *p++ = ',';
1860
1861 if (i >= 10)
1862 *p++ = '' + i / 10;
1863 *p++ = '' + i % 10;
1864 }
1865 *p = 0;
1866 return buf;
1867 }
1868
1869 static int print_modems (char *s, cp_chan_t *c, int need_header)
1870 {
1871 int status = cp_modem_status (c);
1872 int length = 0;
1873
1874 if (need_header)
1875 length += sprintf (s + length, " LE DTR DSR RTS CTS CD\n");
1876 length += sprintf (s + length, "%4s %4s %4s %4s %4s %4s\n",
1877 status & TIOCM_LE ? "On" : "-",
1878 status & TIOCM_DTR ? "On" : "-",
1879 status & TIOCM_DSR ? "On" : "-",
1880 status & TIOCM_RTS ? "On" : "-",
1881 status & TIOCM_CTS ? "On" : "-",
1882 status & TIOCM_CD ? "On" : "-");
1883 return length;
1884 }
1885
1886 static int print_stats (char *s, cp_chan_t *c, int need_header)
1887 {
1888 int length = 0;
1889
1890 if (need_header)
1891 length += sprintf (s + length, " Rintr Tintr Mintr Ibytes Ipkts Ierrs Obytes Opkts Oerrs\n");
1892 length += sprintf (s + length, "%7ld %7ld %7ld %8lu %7ld %7ld %8lu %7ld %7ld\n",
1893 c->rintr, c->tintr, 0l, (unsigned long) c->ibytes,
1894 c->ipkts, c->overrun + c->frame + c->crc,
1895 (unsigned long) c->obytes, c->opkts, c->underrun);
1896 return length;
1897 }
1898
1899 static char *format_e1_status (u_char status)
1900 {
1901 static char buf [80];
1902
1903 if (status & E1_NOALARM)
1904 return "Ok";
1905 buf[0] = 0;
1906 if (status & E1_LOS) strcat (buf, ",LOS");
1907 if (status & E1_AIS) strcat (buf, ",AIS");
1908 if (status & E1_LOF) strcat (buf, ",LOF");
1909 if (status & E1_LOMF) strcat (buf, ",LOMF");
1910 if (status & E1_FARLOF) strcat (buf, ",FARLOF");
1911 if (status & E1_AIS16) strcat (buf, ",AIS16");
1912 if (status & E1_FARLOMF) strcat (buf, ",FARLOMF");
1913 if (status & E1_TSTREQ) strcat (buf, ",TSTREQ");
1914 if (status & E1_TSTERR) strcat (buf, ",TSTERR");
1915 if (buf[0] == ',')
1916 return buf+1;
1917 return "Unknown";
1918 }
1919
1920 static int print_frac (char *s, int leftalign, u_long numerator, u_long divider)
1921 {
1922 int n, length = 0;
1923
1924 if (numerator < 1 || divider < 1) {
1925 length += sprintf (s+length, leftalign ? "/- " : " -");
1926 return length;
1927 }
1928 n = (int) (0.5 + 1000.0 * numerator / divider);
1929 if (n < 1000) {
1930 length += sprintf (s+length, leftalign ? "/.%-3d" : " .%03d", n);
1931 return length;
1932 }
1933 *(s + length) = leftalign ? '/' : ' ';
1934 length ++;
1935
1936 if (n >= 1000000) n = (n+500) / 1000 * 1000;
1937 else if (n >= 100000) n = (n+50) / 100 * 100;
1938 else if (n >= 10000) n = (n+5) / 10 * 10;
1939
1940 switch (n) {
1941 case 1000: length += printf (s+length, ".999"); return length;
1942 case 10000: n = 9990; break;
1943 case 100000: n = 99900; break;
1944 case 1000000: n = 999000; break;
1945 }
1946 if (n < 10000) length += sprintf (s+length, "%d.%d", n/1000, n/10%100);
1947 else if (n < 100000) length += sprintf (s+length, "%d.%d", n/1000, n/100%10);
1948 else if (n < 1000000) length += sprintf (s+length, "%d.", n/1000);
1949 else length += sprintf (s+length, "%d", n/1000);
1950
1951 return length;
1952 }
1953
1954 static int print_e1_stats (char *s, cp_chan_t *c)
1955 {
1956 struct e1_counters total;
1957 u_long totsec;
1958 int length = 0;
1959
1960 totsec = c->totsec + c->cursec;
1961 total.bpv = c->total.bpv + c->currnt.bpv;
1962 total.fse = c->total.fse + c->currnt.fse;
1963 total.crce = c->total.crce + c->currnt.crce;
1964 total.rcrce = c->total.rcrce + c->currnt.rcrce;
1965 total.uas = c->total.uas + c->currnt.uas;
1966 total.les = c->total.les + c->currnt.les;
1967 total.es = c->total.es + c->currnt.es;
1968 total.bes = c->total.bes + c->currnt.bes;
1969 total.ses = c->total.ses + c->currnt.ses;
1970 total.oofs = c->total.oofs + c->currnt.oofs;
1971 total.css = c->total.css + c->currnt.css;
1972 total.dm = c->total.dm + c->currnt.dm;
1973
1974 length += sprintf (s + length, " Unav/Degr Bpv/Fsyn CRC/RCRC Err/Lerr Sev/Bur Oof/Slp Status\n");
1975
1976 /* Unavailable seconds, degraded minutes */
1977 length += print_frac (s + length, 0, c->currnt.uas, c->cursec);
1978 length += print_frac (s + length, 1, 60 * c->currnt.dm, c->cursec);
1979
1980 /* Bipolar violations, frame sync errors */
1981 length += print_frac (s + length, 0, c->currnt.bpv, c->cursec);
1982 length += print_frac (s + length, 1, c->currnt.fse, c->cursec);
1983
1984 /* CRC errors, remote CRC errors (E-bit) */
1985 length += print_frac (s + length, 0, c->currnt.crce, c->cursec);
1986 length += print_frac (s + length, 1, c->currnt.rcrce, c->cursec);
1987
1988 /* Errored seconds, line errored seconds */
1989 length += print_frac (s + length, 0, c->currnt.es, c->cursec);
1990 length += print_frac (s + length, 1, c->currnt.les, c->cursec);
1991
1992 /* Severely errored seconds, burst errored seconds */
1993 length += print_frac (s + length, 0, c->currnt.ses, c->cursec);
1994 length += print_frac (s + length, 1, c->currnt.bes, c->cursec);
1995
1996 /* Out of frame seconds, controlled slip seconds */
1997 length += print_frac (s + length, 0, c->currnt.oofs, c->cursec);
1998 length += print_frac (s + length, 1, c->currnt.css, c->cursec);
1999
2000 length += sprintf (s + length, " %s\n", format_e1_status (c->status));
2001
2002 /* Print total statistics. */
2003 length += print_frac (s + length, 0, total.uas, totsec);
2004 length += print_frac (s + length, 1, 60 * total.dm, totsec);
2005
2006 length += print_frac (s + length, 0, total.bpv, totsec);
2007 length += print_frac (s + length, 1, total.fse, totsec);
2008
2009 length += print_frac (s + length, 0, total.crce, totsec);
2010 length += print_frac (s + length, 1, total.rcrce, totsec);
2011
2012 length += print_frac (s + length, 0, total.es, totsec);
2013 length += print_frac (s + length, 1, total.les, totsec);
2014
2015 length += print_frac (s + length, 0, total.ses, totsec);
2016 length += print_frac (s + length, 1, total.bes, totsec);
2017
2018 length += print_frac (s + length, 0, total.oofs, totsec);
2019 length += print_frac (s + length, 1, total.css, totsec);
2020
2021 length += sprintf (s + length, " -- Total\n");
2022 return length;
2023 }
2024
2025 static int print_chan (char *s, cp_chan_t *c)
2026 {
2027 drv_t *d = c->sys;
2028 bdrv_t *bd = d->board->sys;
2029 int length = 0;
2030
2031 length += sprintf (s + length, "cp%d", c->board->num * NCHAN + c->num);
2032 if (d->chan->debug)
2033 length += sprintf (s + length, " debug=%d", d->chan->debug);
2034
2035 if (c->board->mux) {
2036 length += sprintf (s + length, " cfg=C");
2037 } else {
2038 length += sprintf (s + length, " cfg=A");
2039 }
2040
2041 if (c->baud)
2042 length += sprintf (s + length, " %ld", c->baud);
2043 else
2044 length += sprintf (s + length, " extclock");
2045
2046 if (c->type == T_E1 || c->type == T_G703)
2047 switch (c->gsyn) {
2048 case GSYN_INT : length += sprintf (s + length, " syn=int"); break;
2049 case GSYN_RCV : length += sprintf (s + length, " syn=rcv"); break;
2050 case GSYN_RCV0 : length += sprintf (s + length, " syn=rcv0"); break;
2051 case GSYN_RCV1 : length += sprintf (s + length, " syn=rcv1"); break;
2052 case GSYN_RCV2 : length += sprintf (s + length, " syn=rcv2"); break;
2053 case GSYN_RCV3 : length += sprintf (s + length, " syn=rcv3"); break;
2054 }
2055 if (c->type == T_SERIAL) {
2056 length += sprintf (s + length, " dpll=%s", c->dpll ? "on" : "off");
2057 length += sprintf (s + length, " nrzi=%s", c->nrzi ? "on" : "off");
2058 length += sprintf (s + length, " invclk=%s", c->invtxc ? "on" : "off");
2059 }
2060 if (c->type == T_E1)
2061 length += sprintf (s + length, " higain=%s", c->higain ? "on" : "off");
2062
2063 length += sprintf (s + length, " loop=%s", c->lloop ? "on" : "off");
2064
2065 if (c->type == T_E1)
2066 length += sprintf (s + length, " ts=%s", format_timeslots (c->ts));
2067 if (c->type == T_G703) {
2068 int lq, x;
2069
2070 x = splimp ();
2071 CP_LOCK (bd);
2072 lq = cp_get_lq (c);
2073 CP_UNLOCK (bd);
2074 splx (x);
2075 length += sprintf (s + length, " (level=-%.1fdB)", lq / 10.0);
2076 }
2077 length += sprintf (s + length, "\n");
2078 return length;
2079 }
2080
2081 static int ng_cp_rcvmsg (node_p node, item_p item, hook_p lasthook)
2082 {
2083 drv_t *d = NG_NODE_PRIVATE (node);
2084 struct ng_mesg *msg;
2085 struct ng_mesg *resp = NULL;
2086 int error = 0;
2087
2088 CP_DEBUG (d, ("Rcvmsg\n"));
2089 NGI_GET_MSG (item, msg);
2090 switch (msg->header.typecookie) {
2091 default:
2092 error = EINVAL;
2093 break;
2094
2095 case NGM_CP_COOKIE:
2096 printf ("Not implemented yet\n");
2097 error = EINVAL;
2098 break;
2099
2100 case NGM_GENERIC_COOKIE:
2101 switch (msg->header.cmd) {
2102 default:
2103 error = EINVAL;
2104 break;
2105
2106 case NGM_TEXT_STATUS: {
2107 char *s;
2108 int l = 0;
2109 int dl = sizeof (struct ng_mesg) + 730;
2110
2111 NG_MKRESPONSE (resp, msg, dl, M_NOWAIT);
2112 if (! resp) {
2113 error = ENOMEM;
2114 break;
2115 }
2116 s = (resp)->data;
2117 if (d) {
2118 l += print_chan (s + l, d->chan);
2119 l += print_stats (s + l, d->chan, 1);
2120 l += print_modems (s + l, d->chan, 1);
2121 l += print_e1_stats (s + l, d->chan);
2122 } else
2123 l += sprintf (s + l, "Error: node not connect to channel");
2124 strncpy ((resp)->header.cmdstr, "status", NG_CMDSTRSIZ);
2125 }
2126 break;
2127 }
2128 break;
2129 }
2130 NG_RESPOND_MSG (error, node, item, resp);
2131 NG_FREE_MSG (msg);
2132 return error;
2133 }
2134
2135 static int ng_cp_rcvdata (hook_p hook, item_p item)
2136 {
2137 drv_t *d = NG_NODE_PRIVATE (NG_HOOK_NODE(hook));
2138 struct mbuf *m;
2139 struct ng_tag_prio *ptag;
2140 bdrv_t *bd = d->board->sys;
2141 struct ifqueue *q;
2142 int s;
2143
2144 CP_DEBUG2 (d, ("Rcvdata\n"));
2145 NGI_GET_M (item, m);
2146 NG_FREE_ITEM (item);
2147 if (! NG_HOOK_PRIVATE (hook) || ! d) {
2148 NG_FREE_M (m);
2149 return ENETDOWN;
2150 }
2151
2152 /* Check for high priority data */
2153 if ((ptag = (struct ng_tag_prio *)m_tag_locate(m, NGM_GENERIC_COOKIE,
2154 NG_TAG_PRIO, NULL)) != NULL && (ptag->priority > NG_PRIO_CUTOFF) )
2155 q = &d->hi_queue;
2156 else
2157 q = &d->queue;
2158
2159 s = splimp ();
2160 CP_LOCK (bd);
2161 IF_LOCK (q);
2162 if (_IF_QFULL (q)) {
2163 _IF_DROP (q);
2164 IF_UNLOCK (q);
2165 CP_UNLOCK (bd);
2166 splx (s);
2167 NG_FREE_M (m);
2168 return ENOBUFS;
2169 }
2170 _IF_ENQUEUE (q, m);
2171 IF_UNLOCK (q);
2172 cp_start (d);
2173 CP_UNLOCK (bd);
2174 splx (s);
2175 return 0;
2176 }
2177
2178 static int ng_cp_rmnode (node_p node)
2179 {
2180 drv_t *d = NG_NODE_PRIVATE (node);
2181
2182 CP_DEBUG (d, ("Rmnode\n"));
2183 if (d && d->running) {
2184 bdrv_t *bd = d->board->sys;
2185 int s = splimp ();
2186 CP_LOCK (bd);
2187 cp_down (d);
2188 CP_UNLOCK (bd);
2189 splx (s);
2190 }
2191 #ifdef KLD_MODULE
2192 if (node->nd_flags & NGF_REALLY_DIE) {
2193 NG_NODE_SET_PRIVATE (node, NULL);
2194 NG_NODE_UNREF (node);
2195 }
2196 NG_NODE_REVIVE(node); /* Persistant node */
2197 #endif
2198 return 0;
2199 }
2200
2201 static void ng_cp_watchdog (void *arg)
2202 {
2203 drv_t *d = arg;
2204
2205 if (d) {
2206 if (d->timeout == 1)
2207 cp_watchdog (d);
2208 if (d->timeout)
2209 d->timeout--;
2210 callout_reset (&d->timeout_handle, hz, ng_cp_watchdog, d);
2211 }
2212 }
2213
2214 static int ng_cp_connect (hook_p hook)
2215 {
2216 drv_t *d = NG_NODE_PRIVATE (NG_HOOK_NODE (hook));
2217
2218 if (d) {
2219 CP_DEBUG (d, ("Connect\n"));
2220 callout_reset (&d->timeout_handle, hz, ng_cp_watchdog, d);
2221 }
2222
2223 return 0;
2224 }
2225
2226 static int ng_cp_disconnect (hook_p hook)
2227 {
2228 drv_t *d = NG_NODE_PRIVATE (NG_HOOK_NODE (hook));
2229
2230 if (d) {
2231 CP_DEBUG (d, ("Disconnect\n"));
2232 if (NG_HOOK_PRIVATE (hook))
2233 {
2234 bdrv_t *bd = d->board->sys;
2235 int s = splimp ();
2236 CP_LOCK (bd);
2237 cp_down (d);
2238 CP_UNLOCK (bd);
2239 splx (s);
2240 }
2241 /* If we were wait it than it reasserted now, just stop it. */
2242 if (!callout_drain (&d->timeout_handle))
2243 callout_stop (&d->timeout_handle);
2244 }
2245 return 0;
2246 }
2247 #endif
2248
2249 static int cp_modevent (module_t mod, int type, void *unused)
2250 {
2251 static int load_count = 0;
2252
2253 switch (type) {
2254 case MOD_LOAD:
2255 #ifdef NETGRAPH
2256 if (ng_newtype (&typestruct))
2257 printf ("Failed to register ng_cp\n");
2258 #endif
2259 ++load_count;
2260 callout_init (&timeout_handle, CALLOUT_MPSAFE);
2261 callout_reset (&timeout_handle, hz*5, cp_timeout, 0);
2262 break;
2263 case MOD_UNLOAD:
2264 if (load_count == 1) {
2265 printf ("Removing device entry for Tau-PCI\n");
2266 #ifdef NETGRAPH
2267 ng_rmtype (&typestruct);
2268 #endif
2269 }
2270 /* If we were wait it than it reasserted now, just stop it.
2271 * Actually we shouldn't get this condition. But code could be
2272 * changed in the future, so just be a litle paranoid.
2273 */
2274 if (!callout_drain (&timeout_handle))
2275 callout_stop (&timeout_handle);
2276 --load_count;
2277 break;
2278 case MOD_SHUTDOWN:
2279 break;
2280 }
2281 return 0;
2282 }
2283
2284 #ifdef NETGRAPH
2285 static struct ng_type typestruct = {
2286 .version = NG_ABI_VERSION,
2287 .name = NG_CP_NODE_TYPE,
2288 .constructor = ng_cp_constructor,
2289 .rcvmsg = ng_cp_rcvmsg,
2290 .shutdown = ng_cp_rmnode,
2291 .newhook = ng_cp_newhook,
2292 .connect = ng_cp_connect,
2293 .rcvdata = ng_cp_rcvdata,
2294 .disconnect = ng_cp_disconnect,
2295 };
2296 #endif /*NETGRAPH*/
2297
2298 #ifdef NETGRAPH
2299 MODULE_DEPEND (ng_cp, netgraph, NG_ABI_VERSION, NG_ABI_VERSION, NG_ABI_VERSION);
2300 #else
2301 MODULE_DEPEND (cp, sppp, 1, 1, 1);
2302 #endif
2303 DRIVER_MODULE (cp, pci, cp_driver, cp_devclass, cp_modevent, NULL);
2304 MODULE_VERSION (cp, 1);
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