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("$FreeBSD$");
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/socket.h>
37 #include <sys/sockio.h>
38 #include <sys/sysctl.h>
39 #include <sys/tty.h>
40 #include <sys/bus.h>
41 #include <vm/vm.h>
42 #include <vm/pmap.h>
43 #include <net/if.h>
44 #include <dev/pci/pcivar.h>
45 #include <dev/pci/pcireg.h>
46 #include <machine/bus.h>
47 #include <sys/rman.h>
48 #include "opt_ng_cronyx.h"
49 #ifdef NETGRAPH_CRONYX
50 # include "opt_netgraph.h"
51 # ifndef NETGRAPH
52 # error #option NETGRAPH missed from configuration
53 # endif
54 # include <netgraph/ng_message.h>
55 # include <netgraph/netgraph.h>
56 # include <dev/cp/ng_cp.h>
57 #else
58 # include <net/if_sppp.h>
59 # include <net/if_types.h>
60 #include <dev/pci/pcivar.h>
61 # define PP_CISCO IFF_LINK2
62 # include <net/bpf.h>
63 #endif
64 #include <dev/cx/machdep.h>
65 #include <dev/cp/cpddk.h>
66 #include <machine/cserial.h>
67 #include <machine/resource.h>
68 #include <machine/pmap.h>
69
70 /* If we don't have Cronyx's sppp version, we don't have fr support via sppp */
71 #ifndef PP_FR
72 #define PP_FR 0
73 #endif
74
75 #define CP_DEBUG(d,s) ({if (d->chan->debug) {\
76 printf ("%s: ", d->name); printf s;}})
77 #define CP_DEBUG2(d,s) ({if (d->chan->debug>1) {\
78 printf ("%s: ", d->name); printf s;}})
79 #define CP_LOCK_NAME "cpX"
80
81 static int cp_mpsafenet = 1;
82 TUNABLE_INT("debug.cp.mpsafenet", &cp_mpsafenet);
83 SYSCTL_NODE(_debug, OID_AUTO, cp, CTLFLAG_RD, 0, "Cronyx Tau-PCI Adapters");
84 SYSCTL_INT(_debug_cp, OID_AUTO, mpsafenet, CTLFLAG_RD, &cp_mpsafenet, 0,
85 "Enable/disable MPSAFE network support for Cronyx Tau-PCI Adapters");
86
87 #define CP_LOCK(_bd) do { \
88 if (cp_mpsafenet) \
89 mtx_lock (&(_bd)->cp_mtx); \
90 } while (0)
91 #define CP_UNLOCK(_bd) do { \
92 if (cp_mpsafenet) \
93 mtx_unlock (&(_bd)->cp_mtx); \
94 } while (0)
95
96 #define CP_LOCK_ASSERT(_bd) do { \
97 if (cp_mpsafenet) \
98 mtx_assert (&(_bd)->cp_mtx, MA_OWNED); \
99 } while (0)
100
101 static int cp_probe __P((device_t));
102 static int cp_attach __P((device_t));
103 static int cp_detach __P((device_t));
104
105 static device_method_t cp_methods[] = {
106 /* Device interface */
107 DEVMETHOD(device_probe, cp_probe),
108 DEVMETHOD(device_attach, cp_attach),
109 DEVMETHOD(device_detach, cp_detach),
110
111 {0, 0}
112 };
113
114 typedef struct _cp_dma_mem_t {
115 unsigned long phys;
116 void *virt;
117 size_t size;
118 bus_dma_tag_t dmat;
119 bus_dmamap_t mapp;
120 } cp_dma_mem_t;
121
122 typedef struct _drv_t {
123 char name [8];
124 int running;
125 cp_chan_t *chan;
126 cp_board_t *board;
127 cp_dma_mem_t dmamem;
128 #ifdef NETGRAPH
129 char nodename [NG_NODELEN+1];
130 hook_p hook;
131 hook_p debug_hook;
132 node_p node;
133 struct ifqueue queue;
134 struct ifqueue hi_queue;
135 short timeout;
136 struct callout timeout_handle;
137 #else
138 struct ifqueue queue;
139 struct ifnet *ifp;
140 #endif
141 struct cdev *devt;
142 } drv_t;
143
144 typedef struct _bdrv_t {
145 cp_board_t *board;
146 struct resource *cp_res;
147 struct resource *cp_irq;
148 void *cp_intrhand;
149 cp_dma_mem_t dmamem;
150 drv_t channel [NCHAN];
151 struct mtx cp_mtx;
152 } bdrv_t;
153
154 static driver_t cp_driver = {
155 "cp",
156 cp_methods,
157 sizeof(bdrv_t),
158 };
159
160 static devclass_t cp_devclass;
161
162 static void cp_receive (cp_chan_t *c, unsigned char *data, int len);
163 static void cp_transmit (cp_chan_t *c, void *attachment, int len);
164 static void cp_error (cp_chan_t *c, int data);
165 static void cp_up (drv_t *d);
166 static void cp_start (drv_t *d);
167 static void cp_down (drv_t *d);
168 static void cp_watchdog (drv_t *d);
169 #ifdef NETGRAPH
170 extern struct ng_type typestruct;
171 #else
172 static void cp_ifstart (struct ifnet *ifp);
173 static void cp_tlf (struct sppp *sp);
174 static void cp_tls (struct sppp *sp);
175 static void cp_ifwatchdog (struct ifnet *ifp);
176 static int cp_sioctl (struct ifnet *ifp, u_long cmd, caddr_t data);
177 static void cp_initialize (void *softc);
178 #endif
179
180 static cp_board_t *adapter [NBRD];
181 static drv_t *channel [NBRD*NCHAN];
182 static struct callout led_timo [NBRD];
183 static struct callout timeout_handle;
184
185 static int cp_destroy = 0;
186
187 /*
188 * Print the mbuf chain, for debug purposes only.
189 */
190 static void printmbuf (struct mbuf *m)
191 {
192 printf ("mbuf:");
193 for (; m; m=m->m_next) {
194 if (m->m_flags & M_PKTHDR)
195 printf (" HDR %d:", m->m_pkthdr.len);
196 if (m->m_flags & M_EXT)
197 printf (" EXT:");
198 printf (" %d", m->m_len);
199 }
200 printf ("\n");
201 }
202
203 /*
204 * Make an mbuf from data.
205 */
206 static struct mbuf *makembuf (void *buf, unsigned len)
207 {
208 struct mbuf *m;
209
210 MGETHDR (m, M_DONTWAIT, MT_DATA);
211 if (! m)
212 return 0;
213 MCLGET (m, M_DONTWAIT);
214 if (! (m->m_flags & M_EXT)) {
215 m_freem (m);
216 return 0;
217 }
218 m->m_pkthdr.len = m->m_len = len;
219 bcopy (buf, mtod (m, caddr_t), len);
220 return m;
221 }
222
223 static int cp_probe (device_t dev)
224 {
225 if ((pci_get_vendor (dev) == cp_vendor_id) &&
226 (pci_get_device (dev) == cp_device_id)) {
227 device_set_desc (dev, "Cronyx-Tau-PCI serial adapter");
228 return BUS_PROBE_DEFAULT;
229 }
230 return ENXIO;
231 }
232
233 static void cp_timeout (void *arg)
234 {
235 drv_t *d;
236 int s, i, k;
237
238 for (i = 0; i < NBRD; ++i) {
239 if (adapter[i] == NULL)
240 continue;
241 for (k = 0; k < NCHAN; ++k) {
242 s = splimp ();
243 if (cp_destroy) {
244 splx (s);
245 return;
246 }
247 d = channel[i * NCHAN + k];
248 if (!d) {
249 splx (s);
250 continue;
251 }
252 CP_LOCK ((bdrv_t *)d->board->sys);
253 switch (d->chan->type) {
254 case T_G703:
255 cp_g703_timer (d->chan);
256 break;
257 case T_E1:
258 cp_e1_timer (d->chan);
259 break;
260 case T_E3:
261 case T_T3:
262 case T_STS1:
263 cp_e3_timer (d->chan);
264 break;
265 default:
266 break;
267 }
268 CP_UNLOCK ((bdrv_t *)d->board->sys);
269 splx (s);
270 }
271 }
272 s = splimp ();
273 if (!cp_destroy)
274 callout_reset (&timeout_handle, hz, cp_timeout, 0);
275 splx (s);
276 }
277
278 static void cp_led_off (void *arg)
279 {
280 cp_board_t *b = arg;
281 bdrv_t *bd = (bdrv_t *) b->sys;
282 int s;
283 s = splimp ();
284 if (cp_destroy) {
285 splx (s);
286 return;
287 }
288 CP_LOCK (bd);
289 cp_led (b, 0);
290 CP_UNLOCK (bd);
291 splx (s);
292 }
293
294 static void cp_intr (void *arg)
295 {
296 bdrv_t *bd = arg;
297 cp_board_t *b = bd->board;
298 #ifndef NETGRAPH
299 int i;
300 #endif
301 int s = splimp ();
302 if (cp_destroy) {
303 splx (s);
304 return;
305 }
306 CP_LOCK (bd);
307 /* Check if we are ready */
308 if (b->sys == NULL) {
309 /* Not we are not, just cleanup. */
310 cp_interrupt_poll (b, 1);
311 CP_UNLOCK (bd);
312 return;
313 }
314 /* Turn LED on. */
315 cp_led (b, 1);
316
317 cp_interrupt (b);
318
319 /* Turn LED off 50 msec later. */
320 callout_reset (&led_timo[b->num], hz/20, cp_led_off, b);
321 CP_UNLOCK (bd);
322 splx (s);
323
324 #ifndef NETGRAPH
325 /* Pass packets in a lock-free state */
326 for (i = 0; i < NCHAN && b->chan[i].type; i++) {
327 drv_t *d = b->chan[i].sys;
328 struct mbuf *m;
329 if (!d || !d->running)
330 continue;
331 while (_IF_QLEN(&d->queue)) {
332 IF_DEQUEUE (&d->queue,m);
333 if (!m)
334 continue;
335 sppp_input (d->ifp, m);
336 }
337 }
338 #endif
339 }
340
341 extern struct cdevsw cp_cdevsw;
342
343 static void
344 cp_bus_dmamap_addr (void *arg, bus_dma_segment_t *segs, int nseg, int error)
345 {
346 unsigned long *addr;
347
348 if (error)
349 return;
350
351 KASSERT(nseg == 1, ("too many DMA segments, %d should be 1", nseg));
352 addr = arg;
353 *addr = segs->ds_addr;
354 }
355
356 static int
357 cp_bus_dma_mem_alloc (int bnum, int cnum, cp_dma_mem_t *dmem)
358 {
359 int error;
360
361 error = bus_dma_tag_create (NULL, 16, 0, BUS_SPACE_MAXADDR_32BIT,
362 BUS_SPACE_MAXADDR, NULL, NULL, dmem->size, 1,
363 dmem->size, 0, NULL, NULL, &dmem->dmat);
364 if (error) {
365 if (cnum >= 0) printf ("cp%d-%d: ", bnum, cnum);
366 else printf ("cp%d: ", bnum);
367 printf ("couldn't allocate tag for dma memory\n");
368 return 0;
369 }
370 error = bus_dmamem_alloc (dmem->dmat, (void **)&dmem->virt,
371 BUS_DMA_NOWAIT | BUS_DMA_ZERO, &dmem->mapp);
372 if (error) {
373 if (cnum >= 0) printf ("cp%d-%d: ", bnum, cnum);
374 else printf ("cp%d: ", bnum);
375 printf ("couldn't allocate mem for dma memory\n");
376 bus_dma_tag_destroy (dmem->dmat);
377 return 0;
378 }
379 error = bus_dmamap_load (dmem->dmat, dmem->mapp, dmem->virt,
380 dmem->size, cp_bus_dmamap_addr, &dmem->phys, 0);
381 if (error) {
382 if (cnum >= 0) printf ("cp%d-%d: ", bnum, cnum);
383 else printf ("cp%d: ", bnum);
384 printf ("couldn't load mem map for dma memory\n");
385 bus_dmamem_free (dmem->dmat, dmem->virt, dmem->mapp);
386 bus_dma_tag_destroy (dmem->dmat);
387 return 0;
388 }
389 return 1;
390 }
391
392 static void
393 cp_bus_dma_mem_free (cp_dma_mem_t *dmem)
394 {
395 bus_dmamap_unload (dmem->dmat, dmem->mapp);
396 bus_dmamem_free (dmem->dmat, dmem->virt, dmem->mapp);
397 bus_dma_tag_destroy (dmem->dmat);
398 }
399
400 /*
401 * Called if the probe succeeded.
402 */
403 static int cp_attach (device_t dev)
404 {
405 bdrv_t *bd = device_get_softc (dev);
406 int unit = device_get_unit (dev);
407 char *cp_ln = CP_LOCK_NAME;
408 unsigned short res;
409 vm_offset_t vbase;
410 int rid, error;
411 cp_board_t *b;
412 cp_chan_t *c;
413 drv_t *d;
414 int s = splimp ();
415
416 b = malloc (sizeof(cp_board_t), M_DEVBUF, M_WAITOK);
417 if (!b) {
418 printf ("cp%d: couldn't allocate memory\n", unit);
419 splx (s);
420 return (ENXIO);
421 }
422 bzero (b, sizeof(cp_board_t));
423
424 bd->board = b;
425 rid = PCIR_BAR(0);
426 bd->cp_res = bus_alloc_resource (dev, SYS_RES_MEMORY, &rid,
427 0, ~0, 1, RF_ACTIVE);
428 if (! bd->cp_res) {
429 printf ("cp%d: cannot map memory\n", unit);
430 free (b, M_DEVBUF);
431 splx (s);
432 return (ENXIO);
433 }
434 vbase = (vm_offset_t) rman_get_virtual (bd->cp_res);
435
436 cp_ln[2] = '' + unit;
437 mtx_init (&bd->cp_mtx, cp_ln, MTX_NETWORK_LOCK, MTX_DEF|MTX_RECURSE);
438 res = cp_init (b, unit, (u_char*) vbase);
439 if (res) {
440 printf ("cp%d: can't init, error code:%x\n", unit, res);
441 bus_release_resource (dev, SYS_RES_MEMORY, PCIR_BAR(0), bd->cp_res);
442 free (b, M_DEVBUF);
443 splx (s);
444 return (ENXIO);
445 }
446
447 bd->dmamem.size = sizeof(cp_qbuf_t);
448 if (! cp_bus_dma_mem_alloc (unit, -1, &bd->dmamem)) {
449 free (b, M_DEVBUF);
450 splx (s);
451 return (ENXIO);
452 }
453 CP_LOCK (bd);
454 cp_reset (b, bd->dmamem.virt, bd->dmamem.phys);
455 CP_UNLOCK (bd);
456
457 rid = 0;
458 bd->cp_irq = bus_alloc_resource (dev, SYS_RES_IRQ, &rid, 0, ~0, 1,
459 RF_SHAREABLE | RF_ACTIVE);
460 if (! bd->cp_irq) {
461 cp_destroy = 1;
462 printf ("cp%d: cannot map interrupt\n", unit);
463 bus_release_resource (dev, SYS_RES_MEMORY,
464 PCIR_BAR(0), bd->cp_res);
465 mtx_destroy (&bd->cp_mtx);
466 free (b, M_DEVBUF);
467 splx (s);
468 return (ENXIO);
469 }
470 callout_init (&led_timo[unit], cp_mpsafenet ? CALLOUT_MPSAFE : 0);
471 error = bus_setup_intr (dev, bd->cp_irq,
472 INTR_TYPE_NET|(cp_mpsafenet?INTR_MPSAFE:0),
473 cp_intr, bd, &bd->cp_intrhand);
474 if (error) {
475 cp_destroy = 1;
476 printf ("cp%d: cannot set up irq\n", unit);
477 bus_release_resource (dev, SYS_RES_IRQ, 0, bd->cp_irq);
478 bus_release_resource (dev, SYS_RES_MEMORY,
479 PCIR_BAR(0), bd->cp_res);
480 mtx_destroy (&bd->cp_mtx);
481 free (b, M_DEVBUF);
482 splx (s);
483 return (ENXIO);
484 }
485 printf ("cp%d: %s, clock %ld MHz\n", unit, b->name, b->osc / 1000000);
486
487 for (c = b->chan; c < b->chan + NCHAN; ++c) {
488 if (! c->type)
489 continue;
490 d = &bd->channel[c->num];
491 d->dmamem.size = sizeof(cp_buf_t);
492 if (! cp_bus_dma_mem_alloc (unit, c->num, &d->dmamem))
493 continue;
494 channel [b->num*NCHAN + c->num] = d;
495 sprintf (d->name, "cp%d.%d", b->num, c->num);
496 d->board = b;
497 d->chan = c;
498 c->sys = d;
499 #ifdef NETGRAPH
500 if (ng_make_node_common (&typestruct, &d->node) != 0) {
501 printf ("%s: cannot make common node\n", d->name);
502 d->node = NULL;
503 continue;
504 }
505 NG_NODE_SET_PRIVATE (d->node, d);
506 sprintf (d->nodename, "%s%d", NG_CP_NODE_TYPE,
507 c->board->num*NCHAN + c->num);
508 if (ng_name_node (d->node, d->nodename)) {
509 printf ("%s: cannot name node\n", d->nodename);
510 NG_NODE_UNREF (d->node);
511 continue;
512 }
513 d->queue.ifq_maxlen = IFQ_MAXLEN;
514 d->hi_queue.ifq_maxlen = IFQ_MAXLEN;
515 mtx_init (&d->queue.ifq_mtx, "cp_queue", NULL, MTX_DEF);
516 mtx_init (&d->hi_queue.ifq_mtx, "cp_queue_hi", NULL, MTX_DEF);
517 callout_init (&d->timeout_handle,
518 cp_mpsafenet ? CALLOUT_MPSAFE : 0);
519 #else /*NETGRAPH*/
520 d->ifp = if_alloc(IFT_PPP);
521 if (d->ifp == NULL) {
522 printf ("%s: cannot if_alloc() interface\n", d->name);
523 continue;
524 }
525 d->ifp->if_softc = d;
526 if_initname (d->ifp, "cp", b->num * NCHAN + c->num);
527 d->ifp->if_mtu = PP_MTU;
528 d->ifp->if_flags = IFF_POINTOPOINT | IFF_MULTICAST;
529 if (!cp_mpsafenet)
530 d->ifp->if_flags |= IFF_NEEDSGIANT;
531 d->ifp->if_ioctl = cp_sioctl;
532 d->ifp->if_start = cp_ifstart;
533 d->ifp->if_watchdog = cp_ifwatchdog;
534 d->ifp->if_init = cp_initialize;
535 d->queue.ifq_maxlen = NRBUF;
536 mtx_init (&d->queue.ifq_mtx, "cp_queue", NULL, MTX_DEF);
537 sppp_attach (d->ifp);
538 if_attach (d->ifp);
539 IFP2SP(d->ifp)->pp_tlf = cp_tlf;
540 IFP2SP(d->ifp)->pp_tls = cp_tls;
541 /* If BPF is in the kernel, call the attach for it.
542 * The header size of PPP or Cisco/HDLC is 4 bytes. */
543 bpfattach (d->ifp, DLT_PPP, 4);
544 #endif /*NETGRAPH*/
545 cp_start_e1 (c);
546 cp_start_chan (c, 1, 1, d->dmamem.virt, d->dmamem.phys);
547
548 /* Register callback functions. */
549 cp_register_transmit (c, &cp_transmit);
550 cp_register_receive (c, &cp_receive);
551 cp_register_error (c, &cp_error);
552 d->devt = make_dev (&cp_cdevsw, b->num*NCHAN+c->num, UID_ROOT,
553 GID_WHEEL, 0600, "cp%d", b->num*NCHAN+c->num);
554 }
555 CP_LOCK (bd);
556 b->sys = bd;
557 adapter[unit] = b;
558 CP_UNLOCK (bd);
559 splx (s);
560 return 0;
561 }
562
563 static int cp_detach (device_t dev)
564 {
565 bdrv_t *bd = device_get_softc (dev);
566 cp_board_t *b = bd->board;
567 cp_chan_t *c;
568 int s;
569
570 KASSERT (mtx_initialized (&bd->cp_mtx), ("cp mutex not initialized"));
571 s = splimp ();
572 CP_LOCK (bd);
573 /* Check if the device is busy (open). */
574 for (c = b->chan; c < b->chan + NCHAN; ++c) {
575 drv_t *d = (drv_t*) c->sys;
576
577 if (! d || ! d->chan->type)
578 continue;
579 if (d->running) {
580 CP_UNLOCK (bd);
581 splx (s);
582 return EBUSY;
583 }
584 }
585
586 /* Ok, we can unload driver */
587 /* At first we should stop all channels */
588 for (c = b->chan; c < b->chan + NCHAN; ++c) {
589 drv_t *d = (drv_t*) c->sys;
590
591 if (! d || ! d->chan->type)
592 continue;
593
594 cp_stop_chan (c);
595 cp_stop_e1 (c);
596 cp_set_dtr (d->chan, 0);
597 cp_set_rts (d->chan, 0);
598 }
599
600 /* Reset the adapter. */
601 cp_destroy = 1;
602 cp_interrupt_poll (b, 1);
603 cp_led_off (b);
604 cp_reset (b, 0 ,0);
605 callout_stop (&led_timo[b->num]);
606
607 for (c=b->chan; c<b->chan+NCHAN; ++c) {
608 drv_t *d = (drv_t*) c->sys;
609
610 if (! d || ! d->chan->type)
611 continue;
612 #ifndef NETGRAPH
613 /* Detach from the packet filter list of interfaces. */
614 bpfdetach (d->ifp);
615
616 /* Detach from the sync PPP list. */
617 sppp_detach (d->ifp);
618
619 /* Detach from the system list of interfaces. */
620 if_detach (d->ifp);
621 if_free (d->ifp);
622 IF_DRAIN (&d->queue);
623 mtx_destroy (&d->queue.ifq_mtx);
624 #else
625 if (d->node) {
626 ng_rmnode_self (d->node);
627 NG_NODE_UNREF (d->node);
628 d->node = NULL;
629 }
630 mtx_destroy (&d->queue.ifq_mtx);
631 mtx_destroy (&d->hi_queue.ifq_mtx);
632 #endif
633 destroy_dev (d->devt);
634 }
635
636 b->sys = NULL;
637 CP_UNLOCK (bd);
638
639 /* Disable the interrupt request. */
640 bus_teardown_intr (dev, bd->cp_irq, bd->cp_intrhand);
641 bus_release_resource (dev, SYS_RES_IRQ, 0, bd->cp_irq);
642 bus_release_resource (dev, SYS_RES_MEMORY, PCIR_BAR(0), bd->cp_res);
643
644 CP_LOCK (bd);
645 cp_led_off (b);
646 CP_UNLOCK (bd);
647 callout_drain (&led_timo[b->num]);
648 splx (s);
649
650 s = splimp ();
651 for (c = b->chan; c < b->chan + NCHAN; ++c) {
652 drv_t *d = (drv_t*) c->sys;
653
654 if (! d || ! d->chan->type)
655 continue;
656 channel [b->num*NCHAN + c->num] = 0;
657 /* Deallocate buffers. */
658 cp_bus_dma_mem_free (&d->dmamem);
659 }
660 adapter [b->num] = 0;
661 cp_bus_dma_mem_free (&bd->dmamem);
662 free (b, M_DEVBUF);
663 splx (s);
664 mtx_destroy (&bd->cp_mtx);
665 return 0;
666 }
667
668 #ifndef NETGRAPH
669 static void cp_ifstart (struct ifnet *ifp)
670 {
671 drv_t *d = ifp->if_softc;
672 bdrv_t *bd = d->board->sys;
673
674 CP_LOCK (bd);
675 cp_start (d);
676 CP_UNLOCK (bd);
677 }
678
679 static void cp_ifwatchdog (struct ifnet *ifp)
680 {
681 drv_t *d = ifp->if_softc;
682
683 cp_watchdog (d);
684 }
685
686 static void cp_tlf (struct sppp *sp)
687 {
688 drv_t *d = SP2IFP(sp)->if_softc;
689
690 CP_DEBUG2 (d, ("cp_tlf\n"));
691 /* XXXRIK: Don't forget to protect them by LOCK, or kill them. */
692 /* cp_set_dtr (d->chan, 0);*/
693 /* cp_set_rts (d->chan, 0);*/
694 if (!(sp->pp_flags & PP_FR) && !(d->ifp->if_flags & PP_CISCO))
695 sp->pp_down (sp);
696 }
697
698 static void cp_tls (struct sppp *sp)
699 {
700 drv_t *d = SP2IFP(sp)->if_softc;
701
702 CP_DEBUG2 (d, ("cp_tls\n"));
703 if (!(sp->pp_flags & PP_FR) && !(d->ifp->if_flags & PP_CISCO))
704 sp->pp_up (sp);
705 }
706
707 /*
708 * Process an ioctl request.
709 */
710 static int cp_sioctl (struct ifnet *ifp, u_long cmd, caddr_t data)
711 {
712 drv_t *d = ifp->if_softc;
713 bdrv_t *bd = d->board->sys;
714 int error, s, was_up, should_be_up;
715
716 was_up = (ifp->if_drv_flags & IFF_DRV_RUNNING) != 0;
717 error = sppp_ioctl (ifp, cmd, data);
718
719 if (error)
720 return error;
721
722 if (! (ifp->if_flags & IFF_DEBUG))
723 d->chan->debug = 0;
724 else if (! d->chan->debug)
725 d->chan->debug = 1;
726
727 switch (cmd) {
728 default: CP_DEBUG2 (d, ("ioctl 0x%lx\n", cmd)); return 0;
729 case SIOCADDMULTI: CP_DEBUG2 (d, ("ioctl SIOCADDMULTI\n")); return 0;
730 case SIOCDELMULTI: CP_DEBUG2 (d, ("ioctl SIOCDELMULTI\n")); return 0;
731 case SIOCSIFFLAGS: CP_DEBUG2 (d, ("ioctl SIOCSIFFLAGS\n")); break;
732 case SIOCSIFADDR: CP_DEBUG2 (d, ("ioctl SIOCSIFADDR\n")); break;
733 }
734
735 /* We get here only in case of SIFFLAGS or SIFADDR. */
736 s = splimp ();
737 CP_LOCK (bd);
738 should_be_up = (ifp->if_drv_flags & IFF_DRV_RUNNING) != 0;
739 if (! was_up && should_be_up) {
740 /* Interface goes up -- start it. */
741 cp_up (d);
742 cp_start (d);
743 } else if (was_up && ! should_be_up) {
744 /* Interface is going down -- stop it. */
745 /* if ((IFP2SP(ifp)->pp_flags & PP_FR) || (ifp->if_flags & PP_CISCO))*/
746 cp_down (d);
747 }
748 CP_DEBUG (d, ("ioctl 0x%lx p4\n", cmd));
749 CP_UNLOCK (bd);
750 splx (s);
751 return 0;
752 }
753
754 /*
755 * Initialization of interface.
756 * It seems to be never called by upper level?
757 */
758 static void cp_initialize (void *softc)
759 {
760 drv_t *d = softc;
761
762 CP_DEBUG (d, ("cp_initialize\n"));
763 }
764 #endif /*NETGRAPH*/
765
766 /*
767 * Stop the interface. Called on splimp().
768 */
769 static void cp_down (drv_t *d)
770 {
771 CP_DEBUG (d, ("cp_down\n"));
772 /* Interface is going down -- stop it. */
773 cp_set_dtr (d->chan, 0);
774 cp_set_rts (d->chan, 0);
775
776 d->running = 0;
777 }
778
779 /*
780 * Start the interface. Called on splimp().
781 */
782 static void cp_up (drv_t *d)
783 {
784 CP_DEBUG (d, ("cp_up\n"));
785 cp_set_dtr (d->chan, 1);
786 cp_set_rts (d->chan, 1);
787 d->running = 1;
788 }
789
790 /*
791 * Start output on the interface. Get another datagram to send
792 * off of the interface queue, and copy it to the interface
793 * before starting the output.
794 */
795 static void cp_send (drv_t *d)
796 {
797 struct mbuf *m;
798 u_short len;
799
800 CP_DEBUG2 (d, ("cp_send, tn=%d te=%d\n", d->chan->tn, d->chan->te));
801
802 /* No output if the interface is down. */
803 if (! d->running)
804 return;
805
806 /* No output if the modem is off. */
807 if (! (d->chan->lloop || d->chan->type != T_SERIAL ||
808 cp_get_dsr (d->chan)))
809 return;
810
811 while (cp_transmit_space (d->chan)) {
812 /* Get the packet to send. */
813 #ifdef NETGRAPH
814 IF_DEQUEUE (&d->hi_queue, m);
815 if (! m)
816 IF_DEQUEUE (&d->queue, m);
817 #else
818 m = sppp_dequeue (d->ifp);
819 #endif
820 if (! m)
821 return;
822 #ifndef NETGRAPH
823 BPF_MTAP (d->ifp, m);
824 #endif
825 len = m_length (m, NULL);
826 if (len >= BUFSZ)
827 printf ("%s: too long packet: %d bytes: ",
828 d->name, len);
829 else if (! m->m_next)
830 cp_send_packet (d->chan, (u_char*) mtod (m, caddr_t), len, 0);
831 else {
832 u_char *buf = d->chan->tbuf[d->chan->te];
833 m_copydata (m, 0, len, buf);
834 cp_send_packet (d->chan, buf, len, 0);
835 }
836 m_freem (m);
837 /* Set up transmit timeout, if the transmit ring is not empty.*/
838 #ifdef NETGRAPH
839 d->timeout = 10;
840 #else
841 d->ifp->if_timer = 10;
842 #endif
843 }
844 #ifndef NETGRAPH
845 d->ifp->if_drv_flags |= IFF_DRV_OACTIVE;
846 #endif
847 }
848
849 /*
850 * Start output on the interface.
851 * Always called on splimp().
852 */
853 static void cp_start (drv_t *d)
854 {
855 if (d->running) {
856 if (! d->chan->dtr)
857 cp_set_dtr (d->chan, 1);
858 if (! d->chan->rts)
859 cp_set_rts (d->chan, 1);
860 cp_send (d);
861 }
862 }
863
864 /*
865 * Handle transmit timeouts.
866 * Recover after lost transmit interrupts.
867 * Always called on splimp().
868 */
869 static void cp_watchdog (drv_t *d)
870 {
871 bdrv_t *bd = d->board->sys;
872 CP_DEBUG (d, ("device timeout\n"));
873 if (d->running) {
874 int s = splimp ();
875
876 CP_LOCK (bd);
877 cp_stop_chan (d->chan);
878 cp_stop_e1 (d->chan);
879 cp_start_e1 (d->chan);
880 cp_start_chan (d->chan, 1, 1, 0, 0);
881 cp_set_dtr (d->chan, 1);
882 cp_set_rts (d->chan, 1);
883 cp_start (d);
884 CP_UNLOCK (bd);
885 splx (s);
886 }
887 }
888
889 static void cp_transmit (cp_chan_t *c, void *attachment, int len)
890 {
891 drv_t *d = c->sys;
892
893 #ifdef NETGRAPH
894 d->timeout = 0;
895 #else
896 ++d->ifp->if_opackets;
897 d->ifp->if_drv_flags &= ~IFF_DRV_OACTIVE;
898 d->ifp->if_timer = 0;
899 #endif
900 cp_start (d);
901 }
902
903 static void cp_receive (cp_chan_t *c, unsigned char *data, int len)
904 {
905 drv_t *d = c->sys;
906 struct mbuf *m;
907 #ifdef NETGRAPH
908 int error;
909 #endif
910
911 if (! d->running)
912 return;
913
914 m = makembuf (data, len);
915 if (! m) {
916 CP_DEBUG (d, ("no memory for packet\n"));
917 #ifndef NETGRAPH
918 ++d->ifp->if_iqdrops;
919 #endif
920 return;
921 }
922 if (c->debug > 1)
923 printmbuf (m);
924 #ifdef NETGRAPH
925 m->m_pkthdr.rcvif = 0;
926 NG_SEND_DATA_ONLY (error, d->hook, m);
927 #else
928 ++d->ifp->if_ipackets;
929 m->m_pkthdr.rcvif = d->ifp;
930 /* Check if there's a BPF listener on this interface.
931 * If so, hand off the raw packet to bpf. */
932 BPF_TAP (d->ifp, data, len);
933 IF_ENQUEUE (&d->queue, m);
934 #endif
935 }
936
937 static void cp_error (cp_chan_t *c, int data)
938 {
939 drv_t *d = c->sys;
940
941 switch (data) {
942 case CP_FRAME:
943 CP_DEBUG (d, ("frame error\n"));
944 #ifndef NETGRAPH
945 ++d->ifp->if_ierrors;
946 #endif
947 break;
948 case CP_CRC:
949 CP_DEBUG (d, ("crc error\n"));
950 #ifndef NETGRAPH
951 ++d->ifp->if_ierrors;
952 #endif
953 break;
954 case CP_OVERRUN:
955 CP_DEBUG (d, ("overrun error\n"));
956 #ifndef NETGRAPH
957 ++d->ifp->if_collisions;
958 ++d->ifp->if_ierrors;
959 #endif
960 break;
961 case CP_OVERFLOW:
962 CP_DEBUG (d, ("overflow error\n"));
963 #ifndef NETGRAPH
964 ++d->ifp->if_ierrors;
965 #endif
966 break;
967 case CP_UNDERRUN:
968 CP_DEBUG (d, ("underrun error\n"));
969 #ifdef NETGRAPH
970 d->timeout = 0;
971 #else
972 ++d->ifp->if_oerrors;
973 d->ifp->if_drv_flags &= ~IFF_DRV_OACTIVE;
974 d->ifp->if_timer = 0;
975 #endif
976 cp_start (d);
977 break;
978 default:
979 CP_DEBUG (d, ("error #%d\n", data));
980 break;
981 }
982 }
983
984 /*
985 * You also need read, write, open, close routines.
986 * This should get you started
987 */
988 static int cp_open (struct cdev *dev, int oflags, int devtype, struct thread *td)
989 {
990 int unit = minor (dev);
991 drv_t *d;
992
993 if (unit >= NBRD*NCHAN || ! (d = channel[unit]))
994 return ENXIO;
995 CP_DEBUG2 (d, ("cp_open\n"));
996 return 0;
997 }
998
999 /*
1000 * Only called on the LAST close.
1001 */
1002 static int cp_close (struct cdev *dev, int fflag, int devtype, struct thread *td)
1003 {
1004 drv_t *d = channel [minor (dev)];
1005
1006 CP_DEBUG2 (d, ("cp_close\n"));
1007 return 0;
1008 }
1009
1010 static int cp_modem_status (cp_chan_t *c)
1011 {
1012 drv_t *d = c->sys;
1013 bdrv_t *bd = d->board->sys;
1014 int status, s;
1015
1016 status = d->running ? TIOCM_LE : 0;
1017 s = splimp ();
1018 CP_LOCK (bd);
1019 if (cp_get_cd (c)) status |= TIOCM_CD;
1020 if (cp_get_cts (c)) status |= TIOCM_CTS;
1021 if (cp_get_dsr (c)) status |= TIOCM_DSR;
1022 if (c->dtr) status |= TIOCM_DTR;
1023 if (c->rts) status |= TIOCM_RTS;
1024 CP_UNLOCK (bd);
1025 splx (s);
1026 return status;
1027 }
1028
1029 static int cp_ioctl (struct cdev *dev, u_long cmd, caddr_t data, int flag, struct thread *td)
1030 {
1031 drv_t *d = channel [minor (dev)];
1032 bdrv_t *bd = d->board->sys;
1033 cp_chan_t *c = d->chan;
1034 struct serial_statistics *st;
1035 struct e1_statistics *opte1;
1036 struct e3_statistics *opte3;
1037 int error, s;
1038 char mask[16];
1039
1040 switch (cmd) {
1041 case SERIAL_GETREGISTERED:
1042 CP_DEBUG2 (d, ("ioctl: getregistered\n"));
1043 bzero (mask, sizeof(mask));
1044 for (s=0; s<NBRD*NCHAN; ++s)
1045 if (channel [s])
1046 mask [s/8] |= 1 << (s & 7);
1047 bcopy (mask, data, sizeof (mask));
1048 return 0;
1049
1050 #ifndef NETGRAPH
1051 case SERIAL_GETPROTO:
1052 CP_DEBUG2 (d, ("ioctl: getproto\n"));
1053 strcpy ((char*)data, (IFP2SP(d->ifp)->pp_flags & PP_FR) ? "fr" :
1054 (d->ifp->if_flags & PP_CISCO) ? "cisco" : "ppp");
1055 return 0;
1056
1057 case SERIAL_SETPROTO:
1058 CP_DEBUG2 (d, ("ioctl: setproto\n"));
1059 /* Only for superuser! */
1060 error = suser (td);
1061 if (error)
1062 return error;
1063 if (d->ifp->if_drv_flags & IFF_DRV_RUNNING)
1064 return EBUSY;
1065 if (! strcmp ("cisco", (char*)data)) {
1066 IFP2SP(d->ifp)->pp_flags &= ~(PP_FR);
1067 IFP2SP(d->ifp)->pp_flags |= PP_KEEPALIVE;
1068 d->ifp->if_flags |= PP_CISCO;
1069 } else if (! strcmp ("fr", (char*)data) && PP_FR) {
1070 d->ifp->if_flags &= ~(PP_CISCO);
1071 IFP2SP(d->ifp)->pp_flags |= PP_FR | PP_KEEPALIVE;
1072 } else if (! strcmp ("ppp", (char*)data)) {
1073 IFP2SP(d->ifp)->pp_flags &= ~PP_FR;
1074 IFP2SP(d->ifp)->pp_flags &= ~PP_KEEPALIVE;
1075 d->ifp->if_flags &= ~(PP_CISCO);
1076 } else
1077 return EINVAL;
1078 return 0;
1079
1080 case SERIAL_GETKEEPALIVE:
1081 CP_DEBUG2 (d, ("ioctl: getkeepalive\n"));
1082 if ((IFP2SP(d->ifp)->pp_flags & PP_FR) ||
1083 (d->ifp->if_flags & PP_CISCO))
1084 return EINVAL;
1085 *(int*)data = (IFP2SP(d->ifp)->pp_flags & PP_KEEPALIVE) ? 1 : 0;
1086 return 0;
1087
1088 case SERIAL_SETKEEPALIVE:
1089 CP_DEBUG2 (d, ("ioctl: setkeepalive\n"));
1090 /* Only for superuser! */
1091 error = suser (td);
1092 if (error)
1093 return error;
1094 if ((IFP2SP(d->ifp)->pp_flags & PP_FR) ||
1095 (d->ifp->if_flags & PP_CISCO))
1096 return EINVAL;
1097 s = splimp ();
1098 CP_LOCK (bd);
1099 if (*(int*)data)
1100 IFP2SP(d->ifp)->pp_flags |= PP_KEEPALIVE;
1101 else
1102 IFP2SP(d->ifp)->pp_flags &= ~PP_KEEPALIVE;
1103 CP_UNLOCK (bd);
1104 splx (s);
1105 return 0;
1106 #endif /*NETGRAPH*/
1107
1108 case SERIAL_GETMODE:
1109 CP_DEBUG2 (d, ("ioctl: getmode\n"));
1110 *(int*)data = SERIAL_HDLC;
1111 return 0;
1112
1113 case SERIAL_SETMODE:
1114 /* Only for superuser! */
1115 error = suser (td);
1116 if (error)
1117 return error;
1118 if (*(int*)data != SERIAL_HDLC)
1119 return EINVAL;
1120 return 0;
1121
1122 case SERIAL_GETCFG:
1123 CP_DEBUG2 (d, ("ioctl: getcfg\n"));
1124 if (c->type != T_E1 || c->unfram)
1125 return EINVAL;
1126 *(char*)data = c->board->mux ? 'c' : 'a';
1127 return 0;
1128
1129 case SERIAL_SETCFG:
1130 CP_DEBUG2 (d, ("ioctl: setcfg\n"));
1131 error = suser (td);
1132 if (error)
1133 return error;
1134 if (c->type != T_E1)
1135 return EINVAL;
1136 s = splimp ();
1137 CP_LOCK (bd);
1138 cp_set_mux (c->board, *((char*)data) == 'c');
1139 CP_UNLOCK (bd);
1140 splx (s);
1141 return 0;
1142
1143 case SERIAL_GETSTAT:
1144 CP_DEBUG2 (d, ("ioctl: getstat\n"));
1145 st = (struct serial_statistics*) data;
1146 st->rintr = c->rintr;
1147 st->tintr = c->tintr;
1148 st->mintr = 0;
1149 st->ibytes = c->ibytes;
1150 st->ipkts = c->ipkts;
1151 st->obytes = c->obytes;
1152 st->opkts = c->opkts;
1153 st->ierrs = c->overrun + c->frame + c->crc;
1154 st->oerrs = c->underrun;
1155 return 0;
1156
1157 case SERIAL_GETESTAT:
1158 CP_DEBUG2 (d, ("ioctl: getestat\n"));
1159 if (c->type != T_E1 && c->type != T_G703)
1160 return EINVAL;
1161 opte1 = (struct e1_statistics*) data;
1162 opte1->status = c->status;
1163 opte1->cursec = c->cursec;
1164 opte1->totsec = c->totsec + c->cursec;
1165
1166 opte1->currnt.bpv = c->currnt.bpv;
1167 opte1->currnt.fse = c->currnt.fse;
1168 opte1->currnt.crce = c->currnt.crce;
1169 opte1->currnt.rcrce = c->currnt.rcrce;
1170 opte1->currnt.uas = c->currnt.uas;
1171 opte1->currnt.les = c->currnt.les;
1172 opte1->currnt.es = c->currnt.es;
1173 opte1->currnt.bes = c->currnt.bes;
1174 opte1->currnt.ses = c->currnt.ses;
1175 opte1->currnt.oofs = c->currnt.oofs;
1176 opte1->currnt.css = c->currnt.css;
1177 opte1->currnt.dm = c->currnt.dm;
1178
1179 opte1->total.bpv = c->total.bpv + c->currnt.bpv;
1180 opte1->total.fse = c->total.fse + c->currnt.fse;
1181 opte1->total.crce = c->total.crce + c->currnt.crce;
1182 opte1->total.rcrce = c->total.rcrce + c->currnt.rcrce;
1183 opte1->total.uas = c->total.uas + c->currnt.uas;
1184 opte1->total.les = c->total.les + c->currnt.les;
1185 opte1->total.es = c->total.es + c->currnt.es;
1186 opte1->total.bes = c->total.bes + c->currnt.bes;
1187 opte1->total.ses = c->total.ses + c->currnt.ses;
1188 opte1->total.oofs = c->total.oofs + c->currnt.oofs;
1189 opte1->total.css = c->total.css + c->currnt.css;
1190 opte1->total.dm = c->total.dm + c->currnt.dm;
1191 for (s=0; s<48; ++s) {
1192 opte1->interval[s].bpv = c->interval[s].bpv;
1193 opte1->interval[s].fse = c->interval[s].fse;
1194 opte1->interval[s].crce = c->interval[s].crce;
1195 opte1->interval[s].rcrce = c->interval[s].rcrce;
1196 opte1->interval[s].uas = c->interval[s].uas;
1197 opte1->interval[s].les = c->interval[s].les;
1198 opte1->interval[s].es = c->interval[s].es;
1199 opte1->interval[s].bes = c->interval[s].bes;
1200 opte1->interval[s].ses = c->interval[s].ses;
1201 opte1->interval[s].oofs = c->interval[s].oofs;
1202 opte1->interval[s].css = c->interval[s].css;
1203 opte1->interval[s].dm = c->interval[s].dm;
1204 }
1205 return 0;
1206
1207 case SERIAL_GETE3STAT:
1208 CP_DEBUG2 (d, ("ioctl: gete3stat\n"));
1209 if (c->type != T_E3 && c->type != T_T3 && c->type != T_STS1)
1210 return EINVAL;
1211 opte3 = (struct e3_statistics*) data;
1212
1213 opte3->status = c->e3status;
1214 opte3->cursec = (c->e3csec_5 * 2 + 1) / 10;
1215 opte3->totsec = c->e3tsec + opte3->cursec;
1216
1217 opte3->ccv = c->e3ccv;
1218 opte3->tcv = c->e3tcv + opte3->ccv;
1219
1220 for (s = 0; s < 48; ++s) {
1221 opte3->icv[s] = c->e3icv[s];
1222 }
1223 return 0;
1224
1225 case SERIAL_CLRSTAT:
1226 CP_DEBUG2 (d, ("ioctl: clrstat\n"));
1227 /* Only for superuser! */
1228 error = suser (td);
1229 if (error)
1230 return error;
1231 c->rintr = 0;
1232 c->tintr = 0;
1233 c->ibytes = 0;
1234 c->obytes = 0;
1235 c->ipkts = 0;
1236 c->opkts = 0;
1237 c->overrun = 0;
1238 c->frame = 0;
1239 c->crc = 0;
1240 c->underrun = 0;
1241 bzero (&c->currnt, sizeof (c->currnt));
1242 bzero (&c->total, sizeof (c->total));
1243 bzero (c->interval, sizeof (c->interval));
1244 c->e3ccv = 0;
1245 c->e3tcv = 0;
1246 bzero (c->e3icv, sizeof (c->e3icv));
1247 return 0;
1248
1249 case SERIAL_GETBAUD:
1250 CP_DEBUG2 (d, ("ioctl: getbaud\n"));
1251 *(long*)data = c->baud;
1252 return 0;
1253
1254 case SERIAL_SETBAUD:
1255 CP_DEBUG2 (d, ("ioctl: setbaud\n"));
1256 /* Only for superuser! */
1257 error = suser (td);
1258 if (error)
1259 return error;
1260 s = splimp ();
1261 CP_LOCK (bd);
1262 cp_set_baud (c, *(long*)data);
1263 CP_UNLOCK (bd);
1264 splx (s);
1265 return 0;
1266
1267 case SERIAL_GETLOOP:
1268 CP_DEBUG2 (d, ("ioctl: getloop\n"));
1269 *(int*)data = c->lloop;
1270 return 0;
1271
1272 case SERIAL_SETLOOP:
1273 CP_DEBUG2 (d, ("ioctl: setloop\n"));
1274 /* Only for superuser! */
1275 error = suser (td);
1276 if (error)
1277 return error;
1278 s = splimp ();
1279 CP_LOCK (bd);
1280 cp_set_lloop (c, *(int*)data);
1281 CP_UNLOCK (bd);
1282 splx (s);
1283 return 0;
1284
1285 case SERIAL_GETDPLL:
1286 CP_DEBUG2 (d, ("ioctl: getdpll\n"));
1287 if (c->type != T_SERIAL)
1288 return EINVAL;
1289 *(int*)data = c->dpll;
1290 return 0;
1291
1292 case SERIAL_SETDPLL:
1293 CP_DEBUG2 (d, ("ioctl: setdpll\n"));
1294 /* Only for superuser! */
1295 error = suser (td);
1296 if (error)
1297 return error;
1298 if (c->type != T_SERIAL)
1299 return EINVAL;
1300 s = splimp ();
1301 CP_LOCK (bd);
1302 cp_set_dpll (c, *(int*)data);
1303 CP_UNLOCK (bd);
1304 splx (s);
1305 return 0;
1306
1307 case SERIAL_GETNRZI:
1308 CP_DEBUG2 (d, ("ioctl: getnrzi\n"));
1309 if (c->type != T_SERIAL)
1310 return EINVAL;
1311 *(int*)data = c->nrzi;
1312 return 0;
1313
1314 case SERIAL_SETNRZI:
1315 CP_DEBUG2 (d, ("ioctl: setnrzi\n"));
1316 /* Only for superuser! */
1317 error = suser (td);
1318 if (error)
1319 return error;
1320 if (c->type != T_SERIAL)
1321 return EINVAL;
1322 s = splimp ();
1323 CP_LOCK (bd);
1324 cp_set_nrzi (c, *(int*)data);
1325 CP_UNLOCK (bd);
1326 splx (s);
1327 return 0;
1328
1329 case SERIAL_GETDEBUG:
1330 CP_DEBUG2 (d, ("ioctl: getdebug\n"));
1331 *(int*)data = d->chan->debug;
1332 return 0;
1333
1334 case SERIAL_SETDEBUG:
1335 CP_DEBUG2 (d, ("ioctl: setdebug\n"));
1336 /* Only for superuser! */
1337 error = suser (td);
1338 if (error)
1339 return error;
1340 d->chan->debug = *(int*)data;
1341 #ifndef NETGRAPH
1342 if (d->chan->debug)
1343 d->ifp->if_flags |= IFF_DEBUG;
1344 else
1345 d->ifp->if_flags &= ~IFF_DEBUG;
1346 #endif
1347 return 0;
1348
1349 case SERIAL_GETHIGAIN:
1350 CP_DEBUG2 (d, ("ioctl: gethigain\n"));
1351 if (c->type != T_E1)
1352 return EINVAL;
1353 *(int*)data = c->higain;
1354 return 0;
1355
1356 case SERIAL_SETHIGAIN:
1357 CP_DEBUG2 (d, ("ioctl: sethigain\n"));
1358 /* Only for superuser! */
1359 error = suser (td);
1360 if (error)
1361 return error;
1362 if (c->type != T_E1)
1363 return EINVAL;
1364 s = splimp ();
1365 CP_LOCK (bd);
1366 cp_set_higain (c, *(int*)data);
1367 CP_UNLOCK (bd);
1368 splx (s);
1369 return 0;
1370
1371 case SERIAL_GETPHONY:
1372 CP_DEBUG2 (d, ("ioctl: getphony\n"));
1373 if (c->type != T_E1)
1374 return EINVAL;
1375 *(int*)data = c->phony;
1376 return 0;
1377
1378 case SERIAL_SETPHONY:
1379 CP_DEBUG2 (d, ("ioctl: setphony\n"));
1380 /* Only for superuser! */
1381 error = suser (td);
1382 if (error)
1383 return error;
1384 if (c->type != T_E1)
1385 return EINVAL;
1386 s = splimp ();
1387 CP_LOCK (bd);
1388 cp_set_phony (c, *(int*)data);
1389 CP_UNLOCK (bd);
1390 splx (s);
1391 return 0;
1392
1393 case SERIAL_GETUNFRAM:
1394 CP_DEBUG2 (d, ("ioctl: getunfram\n"));
1395 if (c->type != T_E1)
1396 return EINVAL;
1397 *(int*)data = c->unfram;
1398 return 0;
1399
1400 case SERIAL_SETUNFRAM:
1401 CP_DEBUG2 (d, ("ioctl: setunfram\n"));
1402 /* Only for superuser! */
1403 error = suser (td);
1404 if (error)
1405 return error;
1406 if (c->type != T_E1)
1407 return EINVAL;
1408 s = splimp ();
1409 CP_LOCK (bd);
1410 cp_set_unfram (c, *(int*)data);
1411 CP_UNLOCK (bd);
1412 splx (s);
1413 return 0;
1414
1415 case SERIAL_GETSCRAMBLER:
1416 CP_DEBUG2 (d, ("ioctl: getscrambler\n"));
1417 if (c->type != T_G703 && !c->unfram)
1418 return EINVAL;
1419 *(int*)data = c->scrambler;
1420 return 0;
1421
1422 case SERIAL_SETSCRAMBLER:
1423 CP_DEBUG2 (d, ("ioctl: setscrambler\n"));
1424 /* Only for superuser! */
1425 error = suser (td);
1426 if (error)
1427 return error;
1428 if (c->type != T_G703 && !c->unfram)
1429 return EINVAL;
1430 s = splimp ();
1431 CP_LOCK (bd);
1432 cp_set_scrambler (c, *(int*)data);
1433 CP_UNLOCK (bd);
1434 splx (s);
1435 return 0;
1436
1437 case SERIAL_GETMONITOR:
1438 CP_DEBUG2 (d, ("ioctl: getmonitor\n"));
1439 if (c->type != T_E1 &&
1440 c->type != T_E3 &&
1441 c->type != T_T3 &&
1442 c->type != T_STS1)
1443 return EINVAL;
1444 *(int*)data = c->monitor;
1445 return 0;
1446
1447 case SERIAL_SETMONITOR:
1448 CP_DEBUG2 (d, ("ioctl: setmonitor\n"));
1449 /* Only for superuser! */
1450 error = suser (td);
1451 if (error)
1452 return error;
1453 if (c->type != T_E1)
1454 return EINVAL;
1455 s = splimp ();
1456 CP_LOCK (bd);
1457 cp_set_monitor (c, *(int*)data);
1458 CP_UNLOCK (bd);
1459 splx (s);
1460 return 0;
1461
1462 case SERIAL_GETUSE16:
1463 CP_DEBUG2 (d, ("ioctl: getuse16\n"));
1464 if (c->type != T_E1 || c->unfram)
1465 return EINVAL;
1466 *(int*)data = c->use16;
1467 return 0;
1468
1469 case SERIAL_SETUSE16:
1470 CP_DEBUG2 (d, ("ioctl: setuse16\n"));
1471 /* Only for superuser! */
1472 error = suser (td);
1473 if (error)
1474 return error;
1475 if (c->type != T_E1)
1476 return EINVAL;
1477 s = splimp ();
1478 CP_LOCK (bd);
1479 cp_set_use16 (c, *(int*)data);
1480 CP_UNLOCK (bd);
1481 splx (s);
1482 return 0;
1483
1484 case SERIAL_GETCRC4:
1485 CP_DEBUG2 (d, ("ioctl: getcrc4\n"));
1486 if (c->type != T_E1 || c->unfram)
1487 return EINVAL;
1488 *(int*)data = c->crc4;
1489 return 0;
1490
1491 case SERIAL_SETCRC4:
1492 CP_DEBUG2 (d, ("ioctl: setcrc4\n"));
1493 /* Only for superuser! */
1494 error = suser (td);
1495 if (error)
1496 return error;
1497 if (c->type != T_E1)
1498 return EINVAL;
1499 s = splimp ();
1500 CP_LOCK (bd);
1501 cp_set_crc4 (c, *(int*)data);
1502 CP_UNLOCK (bd);
1503 splx (s);
1504 return 0;
1505
1506 case SERIAL_GETCLK:
1507 CP_DEBUG2 (d, ("ioctl: getclk\n"));
1508 if (c->type != T_E1 &&
1509 c->type != T_G703 &&
1510 c->type != T_E3 &&
1511 c->type != T_T3 &&
1512 c->type != T_STS1)
1513 return EINVAL;
1514 switch (c->gsyn) {
1515 default: *(int*)data = E1CLK_INTERNAL; break;
1516 case GSYN_RCV: *(int*)data = E1CLK_RECEIVE; break;
1517 case GSYN_RCV0: *(int*)data = E1CLK_RECEIVE_CHAN0; break;
1518 case GSYN_RCV1: *(int*)data = E1CLK_RECEIVE_CHAN1; break;
1519 case GSYN_RCV2: *(int*)data = E1CLK_RECEIVE_CHAN2; break;
1520 case GSYN_RCV3: *(int*)data = E1CLK_RECEIVE_CHAN3; break;
1521 }
1522 return 0;
1523
1524 case SERIAL_SETCLK:
1525 CP_DEBUG2 (d, ("ioctl: setclk\n"));
1526 /* Only for superuser! */
1527 error = suser (td);
1528 if (error)
1529 return error;
1530 if (c->type != T_E1 &&
1531 c->type != T_G703 &&
1532 c->type != T_E3 &&
1533 c->type != T_T3 &&
1534 c->type != T_STS1)
1535 return EINVAL;
1536 s = splimp ();
1537 CP_LOCK (bd);
1538 switch (*(int*)data) {
1539 default: cp_set_gsyn (c, GSYN_INT); break;
1540 case E1CLK_RECEIVE: cp_set_gsyn (c, GSYN_RCV); break;
1541 case E1CLK_RECEIVE_CHAN0: cp_set_gsyn (c, GSYN_RCV0); break;
1542 case E1CLK_RECEIVE_CHAN1: cp_set_gsyn (c, GSYN_RCV1); break;
1543 case E1CLK_RECEIVE_CHAN2: cp_set_gsyn (c, GSYN_RCV2); break;
1544 case E1CLK_RECEIVE_CHAN3: cp_set_gsyn (c, GSYN_RCV3); break;
1545 }
1546 CP_UNLOCK (bd);
1547 splx (s);
1548 return 0;
1549
1550 case SERIAL_GETTIMESLOTS:
1551 CP_DEBUG2 (d, ("ioctl: gettimeslots\n"));
1552 if ((c->type != T_E1 || c->unfram) && c->type != T_DATA)
1553 return EINVAL;
1554 *(u_long*)data = c->ts;
1555 return 0;
1556
1557 case SERIAL_SETTIMESLOTS:
1558 CP_DEBUG2 (d, ("ioctl: settimeslots\n"));
1559 /* Only for superuser! */
1560 error = suser (td);
1561 if (error)
1562 return error;
1563 if ((c->type != T_E1 || c->unfram) && c->type != T_DATA)
1564 return EINVAL;
1565 s = splimp ();
1566 CP_LOCK (bd);
1567 cp_set_ts (c, *(u_long*)data);
1568 CP_UNLOCK (bd);
1569 splx (s);
1570 return 0;
1571
1572 case SERIAL_GETINVCLK:
1573 CP_DEBUG2 (d, ("ioctl: getinvclk\n"));
1574 #if 1
1575 return EINVAL;
1576 #else
1577 if (c->type != T_SERIAL)
1578 return EINVAL;
1579 *(int*)data = c->invtxc;
1580 return 0;
1581 #endif
1582
1583 case SERIAL_SETINVCLK:
1584 CP_DEBUG2 (d, ("ioctl: setinvclk\n"));
1585 /* Only for superuser! */
1586 error = suser (td);
1587 if (error)
1588 return error;
1589 if (c->type != T_SERIAL)
1590 return EINVAL;
1591 s = splimp ();
1592 CP_LOCK (bd);
1593 cp_set_invtxc (c, *(int*)data);
1594 cp_set_invrxc (c, *(int*)data);
1595 CP_UNLOCK (bd);
1596 splx (s);
1597 return 0;
1598
1599 case SERIAL_GETINVTCLK:
1600 CP_DEBUG2 (d, ("ioctl: getinvtclk\n"));
1601 if (c->type != T_SERIAL)
1602 return EINVAL;
1603 *(int*)data = c->invtxc;
1604 return 0;
1605
1606 case SERIAL_SETINVTCLK:
1607 CP_DEBUG2 (d, ("ioctl: setinvtclk\n"));
1608 /* Only for superuser! */
1609 error = suser (td);
1610 if (error)
1611 return error;
1612 if (c->type != T_SERIAL)
1613 return EINVAL;
1614 s = splimp ();
1615 CP_LOCK (bd);
1616 cp_set_invtxc (c, *(int*)data);
1617 CP_UNLOCK (bd);
1618 splx (s);
1619 return 0;
1620
1621 case SERIAL_GETINVRCLK:
1622 CP_DEBUG2 (d, ("ioctl: getinvrclk\n"));
1623 if (c->type != T_SERIAL)
1624 return EINVAL;
1625 *(int*)data = c->invrxc;
1626 return 0;
1627
1628 case SERIAL_SETINVRCLK:
1629 CP_DEBUG2 (d, ("ioctl: setinvrclk\n"));
1630 /* Only for superuser! */
1631 error = suser (td);
1632 if (error)
1633 return error;
1634 if (c->type != T_SERIAL)
1635 return EINVAL;
1636 s = splimp ();
1637 CP_LOCK (bd);
1638 cp_set_invrxc (c, *(int*)data);
1639 CP_UNLOCK (bd);
1640 splx (s);
1641 return 0;
1642
1643 case SERIAL_GETLEVEL:
1644 CP_DEBUG2 (d, ("ioctl: getlevel\n"));
1645 if (c->type != T_G703)
1646 return EINVAL;
1647 s = splimp ();
1648 CP_LOCK (bd);
1649 *(int*)data = cp_get_lq (c);
1650 CP_UNLOCK (bd);
1651 splx (s);
1652 return 0;
1653
1654 #if 0
1655 case SERIAL_RESET:
1656 CP_DEBUG2 (d, ("ioctl: reset\n"));
1657 /* Only for superuser! */
1658 error = suser (td);
1659 if (error)
1660 return error;
1661 s = splimp ();
1662 CP_LOCK (bd);
1663 cp_reset (c->board, 0, 0);
1664 CP_UNLOCK (bd);
1665 splx (s);
1666 return 0;
1667
1668 case SERIAL_HARDRESET:
1669 CP_DEBUG2 (d, ("ioctl: hardreset\n"));
1670 /* Only for superuser! */
1671 error = suser (td);
1672 if (error)
1673 return error;
1674 s = splimp ();
1675 CP_LOCK (bd);
1676 /* hard_reset (c->board); */
1677 CP_UNLOCK (bd);
1678 splx (s);
1679 return 0;
1680 #endif
1681
1682 case SERIAL_GETCABLE:
1683 CP_DEBUG2 (d, ("ioctl: getcable\n"));
1684 if (c->type != T_SERIAL)
1685 return EINVAL;
1686 s = splimp ();
1687 CP_LOCK (bd);
1688 *(int*)data = cp_get_cable (c);
1689 CP_UNLOCK (bd);
1690 splx (s);
1691 return 0;
1692
1693 case SERIAL_GETDIR:
1694 CP_DEBUG2 (d, ("ioctl: getdir\n"));
1695 if (c->type != T_E1 && c->type != T_DATA)
1696 return EINVAL;
1697 *(int*)data = c->dir;
1698 return 0;
1699
1700 case SERIAL_SETDIR:
1701 CP_DEBUG2 (d, ("ioctl: setdir\n"));
1702 /* Only for superuser! */
1703 error = suser (td);
1704 if (error)
1705 return error;
1706 s = splimp ();
1707 CP_LOCK (bd);
1708 cp_set_dir (c, *(int*)data);
1709 CP_UNLOCK (bd);
1710 splx (s);
1711 return 0;
1712
1713 case SERIAL_GETRLOOP:
1714 CP_DEBUG2 (d, ("ioctl: getrloop\n"));
1715 if (c->type != T_G703 &&
1716 c->type != T_E3 &&
1717 c->type != T_T3 &&
1718 c->type != T_STS1)
1719 return EINVAL;
1720 *(int*)data = cp_get_rloop (c);
1721 return 0;
1722
1723 case SERIAL_SETRLOOP:
1724 CP_DEBUG2 (d, ("ioctl: setloop\n"));
1725 if (c->type != T_E3 && c->type != T_T3 && c->type != T_STS1)
1726 return EINVAL;
1727 /* Only for superuser! */
1728 error = suser (td);
1729 if (error)
1730 return error;
1731 s = splimp ();
1732 CP_LOCK (bd);
1733 cp_set_rloop (c, *(int*)data);
1734 CP_UNLOCK (bd);
1735 splx (s);
1736 return 0;
1737
1738 case SERIAL_GETCABLEN:
1739 CP_DEBUG2 (d, ("ioctl: getcablen\n"));
1740 if (c->type != T_T3 && c->type != T_STS1)
1741 return EINVAL;
1742 *(int*)data = c->cablen;
1743 return 0;
1744
1745 case SERIAL_SETCABLEN:
1746 CP_DEBUG2 (d, ("ioctl: setloop\n"));
1747 if (c->type != T_T3 && c->type != T_STS1)
1748 return EINVAL;
1749 /* Only for superuser! */
1750 error = suser (td);
1751 if (error)
1752 return error;
1753 s = splimp ();
1754 CP_LOCK (bd);
1755 cp_set_cablen (c, *(int*)data);
1756 CP_UNLOCK (bd);
1757 splx (s);
1758 return 0;
1759
1760 case TIOCSDTR: /* Set DTR */
1761 s = splimp ();
1762 CP_LOCK (bd);
1763 cp_set_dtr (c, 1);
1764 CP_UNLOCK (bd);
1765 splx (s);
1766 return 0;
1767
1768 case TIOCCDTR: /* Clear DTR */
1769 s = splimp ();
1770 CP_LOCK (bd);
1771 cp_set_dtr (c, 0);
1772 CP_UNLOCK (bd);
1773 splx (s);
1774 return 0;
1775
1776 case TIOCMSET: /* Set DTR/RTS */
1777 s = splimp ();
1778 CP_LOCK (bd);
1779 cp_set_dtr (c, (*(int*)data & TIOCM_DTR) ? 1 : 0);
1780 cp_set_rts (c, (*(int*)data & TIOCM_RTS) ? 1 : 0);
1781 CP_UNLOCK (bd);
1782 splx (s);
1783 return 0;
1784
1785 case TIOCMBIS: /* Add DTR/RTS */
1786 s = splimp ();
1787 CP_LOCK (bd);
1788 if (*(int*)data & TIOCM_DTR) cp_set_dtr (c, 1);
1789 if (*(int*)data & TIOCM_RTS) cp_set_rts (c, 1);
1790 CP_UNLOCK (bd);
1791 splx (s);
1792 return 0;
1793
1794 case TIOCMBIC: /* Clear DTR/RTS */
1795 s = splimp ();
1796 CP_LOCK (bd);
1797 if (*(int*)data & TIOCM_DTR) cp_set_dtr (c, 0);
1798 if (*(int*)data & TIOCM_RTS) cp_set_rts (c, 0);
1799 CP_UNLOCK (bd);
1800 splx (s);
1801 return 0;
1802
1803 case TIOCMGET: /* Get modem status */
1804 *(int*)data = cp_modem_status (c);
1805 return 0;
1806 }
1807 return ENOTTY;
1808 }
1809
1810 static struct cdevsw cp_cdevsw = {
1811 .d_version = D_VERSION,
1812 .d_open = cp_open,
1813 .d_close = cp_close,
1814 .d_ioctl = cp_ioctl,
1815 .d_name = "cp",
1816 .d_flags = D_NEEDGIANT,
1817 };
1818
1819 #ifdef NETGRAPH
1820 static int ng_cp_constructor (node_p node)
1821 {
1822 drv_t *d = NG_NODE_PRIVATE (node);
1823 CP_DEBUG (d, ("Constructor\n"));
1824 return EINVAL;
1825 }
1826
1827 static int ng_cp_newhook (node_p node, hook_p hook, const char *name)
1828 {
1829 int s;
1830 drv_t *d = NG_NODE_PRIVATE (node);
1831 bdrv_t *bd = d->board->sys;
1832
1833 CP_DEBUG (d, ("Newhook\n"));
1834 /* Attach debug hook */
1835 if (strcmp (name, NG_CP_HOOK_DEBUG) == 0) {
1836 NG_HOOK_SET_PRIVATE (hook, NULL);
1837 d->debug_hook = hook;
1838 return 0;
1839 }
1840
1841 /* Check for raw hook */
1842 if (strcmp (name, NG_CP_HOOK_RAW) != 0)
1843 return EINVAL;
1844
1845 NG_HOOK_SET_PRIVATE (hook, d);
1846 d->hook = hook;
1847 s = splimp ();
1848 CP_LOCK (bd);
1849 cp_up (d);
1850 CP_UNLOCK (bd);
1851 splx (s);
1852 return 0;
1853 }
1854
1855 static char *format_timeslots (u_long s)
1856 {
1857 static char buf [100];
1858 char *p = buf;
1859 int i;
1860
1861 for (i=1; i<32; ++i)
1862 if ((s >> i) & 1) {
1863 int prev = (i > 1) & (s >> (i-1));
1864 int next = (i < 31) & (s >> (i+1));
1865
1866 if (prev) {
1867 if (next)
1868 continue;
1869 *p++ = '-';
1870 } else if (p > buf)
1871 *p++ = ',';
1872
1873 if (i >= 10)
1874 *p++ = '' + i / 10;
1875 *p++ = '' + i % 10;
1876 }
1877 *p = 0;
1878 return buf;
1879 }
1880
1881 static int print_modems (char *s, cp_chan_t *c, int need_header)
1882 {
1883 int status = cp_modem_status (c);
1884 int length = 0;
1885
1886 if (need_header)
1887 length += sprintf (s + length, " LE DTR DSR RTS CTS CD\n");
1888 length += sprintf (s + length, "%4s %4s %4s %4s %4s %4s\n",
1889 status & TIOCM_LE ? "On" : "-",
1890 status & TIOCM_DTR ? "On" : "-",
1891 status & TIOCM_DSR ? "On" : "-",
1892 status & TIOCM_RTS ? "On" : "-",
1893 status & TIOCM_CTS ? "On" : "-",
1894 status & TIOCM_CD ? "On" : "-");
1895 return length;
1896 }
1897
1898 static int print_stats (char *s, cp_chan_t *c, int need_header)
1899 {
1900 int length = 0;
1901
1902 if (need_header)
1903 length += sprintf (s + length, " Rintr Tintr Mintr Ibytes Ipkts Ierrs Obytes Opkts Oerrs\n");
1904 length += sprintf (s + length, "%7ld %7ld %7ld %8lu %7ld %7ld %8lu %7ld %7ld\n",
1905 c->rintr, c->tintr, 0l, (unsigned long) c->ibytes,
1906 c->ipkts, c->overrun + c->frame + c->crc,
1907 (unsigned long) c->obytes, c->opkts, c->underrun);
1908 return length;
1909 }
1910
1911 static char *format_e1_status (u_char status)
1912 {
1913 static char buf [80];
1914
1915 if (status & E1_NOALARM)
1916 return "Ok";
1917 buf[0] = 0;
1918 if (status & E1_LOS) strcat (buf, ",LOS");
1919 if (status & E1_AIS) strcat (buf, ",AIS");
1920 if (status & E1_LOF) strcat (buf, ",LOF");
1921 if (status & E1_LOMF) strcat (buf, ",LOMF");
1922 if (status & E1_FARLOF) strcat (buf, ",FARLOF");
1923 if (status & E1_AIS16) strcat (buf, ",AIS16");
1924 if (status & E1_FARLOMF) strcat (buf, ",FARLOMF");
1925 if (status & E1_TSTREQ) strcat (buf, ",TSTREQ");
1926 if (status & E1_TSTERR) strcat (buf, ",TSTERR");
1927 if (buf[0] == ',')
1928 return buf+1;
1929 return "Unknown";
1930 }
1931
1932 static int print_frac (char *s, int leftalign, u_long numerator, u_long divider)
1933 {
1934 int n, length = 0;
1935
1936 if (numerator < 1 || divider < 1) {
1937 length += sprintf (s+length, leftalign ? "/- " : " -");
1938 return length;
1939 }
1940 n = (int) (0.5 + 1000.0 * numerator / divider);
1941 if (n < 1000) {
1942 length += sprintf (s+length, leftalign ? "/.%-3d" : " .%03d", n);
1943 return length;
1944 }
1945 *(s + length) = leftalign ? '/' : ' ';
1946 length ++;
1947
1948 if (n >= 1000000) n = (n+500) / 1000 * 1000;
1949 else if (n >= 100000) n = (n+50) / 100 * 100;
1950 else if (n >= 10000) n = (n+5) / 10 * 10;
1951
1952 switch (n) {
1953 case 1000: length += printf (s+length, ".999"); return length;
1954 case 10000: n = 9990; break;
1955 case 100000: n = 99900; break;
1956 case 1000000: n = 999000; break;
1957 }
1958 if (n < 10000) length += sprintf (s+length, "%d.%d", n/1000, n/10%100);
1959 else if (n < 100000) length += sprintf (s+length, "%d.%d", n/1000, n/100%10);
1960 else if (n < 1000000) length += sprintf (s+length, "%d.", n/1000);
1961 else length += sprintf (s+length, "%d", n/1000);
1962
1963 return length;
1964 }
1965
1966 static int print_e1_stats (char *s, cp_chan_t *c)
1967 {
1968 struct e1_counters total;
1969 u_long totsec;
1970 int length = 0;
1971
1972 totsec = c->totsec + c->cursec;
1973 total.bpv = c->total.bpv + c->currnt.bpv;
1974 total.fse = c->total.fse + c->currnt.fse;
1975 total.crce = c->total.crce + c->currnt.crce;
1976 total.rcrce = c->total.rcrce + c->currnt.rcrce;
1977 total.uas = c->total.uas + c->currnt.uas;
1978 total.les = c->total.les + c->currnt.les;
1979 total.es = c->total.es + c->currnt.es;
1980 total.bes = c->total.bes + c->currnt.bes;
1981 total.ses = c->total.ses + c->currnt.ses;
1982 total.oofs = c->total.oofs + c->currnt.oofs;
1983 total.css = c->total.css + c->currnt.css;
1984 total.dm = c->total.dm + c->currnt.dm;
1985
1986 length += sprintf (s + length, " Unav/Degr Bpv/Fsyn CRC/RCRC Err/Lerr Sev/Bur Oof/Slp Status\n");
1987
1988 /* Unavailable seconds, degraded minutes */
1989 length += print_frac (s + length, 0, c->currnt.uas, c->cursec);
1990 length += print_frac (s + length, 1, 60 * c->currnt.dm, c->cursec);
1991
1992 /* Bipolar violations, frame sync errors */
1993 length += print_frac (s + length, 0, c->currnt.bpv, c->cursec);
1994 length += print_frac (s + length, 1, c->currnt.fse, c->cursec);
1995
1996 /* CRC errors, remote CRC errors (E-bit) */
1997 length += print_frac (s + length, 0, c->currnt.crce, c->cursec);
1998 length += print_frac (s + length, 1, c->currnt.rcrce, c->cursec);
1999
2000 /* Errored seconds, line errored seconds */
2001 length += print_frac (s + length, 0, c->currnt.es, c->cursec);
2002 length += print_frac (s + length, 1, c->currnt.les, c->cursec);
2003
2004 /* Severely errored seconds, burst errored seconds */
2005 length += print_frac (s + length, 0, c->currnt.ses, c->cursec);
2006 length += print_frac (s + length, 1, c->currnt.bes, c->cursec);
2007
2008 /* Out of frame seconds, controlled slip seconds */
2009 length += print_frac (s + length, 0, c->currnt.oofs, c->cursec);
2010 length += print_frac (s + length, 1, c->currnt.css, c->cursec);
2011
2012 length += sprintf (s + length, " %s\n", format_e1_status (c->status));
2013
2014 /* Print total statistics. */
2015 length += print_frac (s + length, 0, total.uas, totsec);
2016 length += print_frac (s + length, 1, 60 * total.dm, totsec);
2017
2018 length += print_frac (s + length, 0, total.bpv, totsec);
2019 length += print_frac (s + length, 1, total.fse, totsec);
2020
2021 length += print_frac (s + length, 0, total.crce, totsec);
2022 length += print_frac (s + length, 1, total.rcrce, totsec);
2023
2024 length += print_frac (s + length, 0, total.es, totsec);
2025 length += print_frac (s + length, 1, total.les, totsec);
2026
2027 length += print_frac (s + length, 0, total.ses, totsec);
2028 length += print_frac (s + length, 1, total.bes, totsec);
2029
2030 length += print_frac (s + length, 0, total.oofs, totsec);
2031 length += print_frac (s + length, 1, total.css, totsec);
2032
2033 length += sprintf (s + length, " -- Total\n");
2034 return length;
2035 }
2036
2037 static int print_chan (char *s, cp_chan_t *c)
2038 {
2039 drv_t *d = c->sys;
2040 bdrv_t *bd = d->board->sys;
2041 int length = 0;
2042
2043 length += sprintf (s + length, "cp%d", c->board->num * NCHAN + c->num);
2044 if (d->chan->debug)
2045 length += sprintf (s + length, " debug=%d", d->chan->debug);
2046
2047 if (c->board->mux) {
2048 length += sprintf (s + length, " cfg=C");
2049 } else {
2050 length += sprintf (s + length, " cfg=A");
2051 }
2052
2053 if (c->baud)
2054 length += sprintf (s + length, " %ld", c->baud);
2055 else
2056 length += sprintf (s + length, " extclock");
2057
2058 if (c->type == T_E1 || c->type == T_G703)
2059 switch (c->gsyn) {
2060 case GSYN_INT : length += sprintf (s + length, " syn=int"); break;
2061 case GSYN_RCV : length += sprintf (s + length, " syn=rcv"); break;
2062 case GSYN_RCV0 : length += sprintf (s + length, " syn=rcv0"); break;
2063 case GSYN_RCV1 : length += sprintf (s + length, " syn=rcv1"); break;
2064 case GSYN_RCV2 : length += sprintf (s + length, " syn=rcv2"); break;
2065 case GSYN_RCV3 : length += sprintf (s + length, " syn=rcv3"); break;
2066 }
2067 if (c->type == T_SERIAL) {
2068 length += sprintf (s + length, " dpll=%s", c->dpll ? "on" : "off");
2069 length += sprintf (s + length, " nrzi=%s", c->nrzi ? "on" : "off");
2070 length += sprintf (s + length, " invclk=%s", c->invtxc ? "on" : "off");
2071 }
2072 if (c->type == T_E1)
2073 length += sprintf (s + length, " higain=%s", c->higain ? "on" : "off");
2074
2075 length += sprintf (s + length, " loop=%s", c->lloop ? "on" : "off");
2076
2077 if (c->type == T_E1)
2078 length += sprintf (s + length, " ts=%s", format_timeslots (c->ts));
2079 if (c->type == T_G703) {
2080 int lq, x;
2081
2082 x = splimp ();
2083 CP_LOCK (bd);
2084 lq = cp_get_lq (c);
2085 CP_UNLOCK (bd);
2086 splx (x);
2087 length += sprintf (s + length, " (level=-%.1fdB)", lq / 10.0);
2088 }
2089 length += sprintf (s + length, "\n");
2090 return length;
2091 }
2092
2093 static int ng_cp_rcvmsg (node_p node, item_p item, hook_p lasthook)
2094 {
2095 drv_t *d = NG_NODE_PRIVATE (node);
2096 struct ng_mesg *msg;
2097 struct ng_mesg *resp = NULL;
2098 int error = 0;
2099
2100 CP_DEBUG (d, ("Rcvmsg\n"));
2101 NGI_GET_MSG (item, msg);
2102 switch (msg->header.typecookie) {
2103 default:
2104 error = EINVAL;
2105 break;
2106
2107 case NGM_CP_COOKIE:
2108 printf ("Not implemented yet\n");
2109 error = EINVAL;
2110 break;
2111
2112 case NGM_GENERIC_COOKIE:
2113 switch (msg->header.cmd) {
2114 default:
2115 error = EINVAL;
2116 break;
2117
2118 case NGM_TEXT_STATUS: {
2119 char *s;
2120 int l = 0;
2121 int dl = sizeof (struct ng_mesg) + 730;
2122
2123 NG_MKRESPONSE (resp, msg, dl, M_NOWAIT);
2124 if (! resp) {
2125 error = ENOMEM;
2126 break;
2127 }
2128 s = (resp)->data;
2129 if (d) {
2130 l += print_chan (s + l, d->chan);
2131 l += print_stats (s + l, d->chan, 1);
2132 l += print_modems (s + l, d->chan, 1);
2133 l += print_e1_stats (s + l, d->chan);
2134 } else
2135 l += sprintf (s + l, "Error: node not connect to channel");
2136 strncpy ((resp)->header.cmdstr, "status", NG_CMDSTRLEN);
2137 }
2138 break;
2139 }
2140 break;
2141 }
2142 NG_RESPOND_MSG (error, node, item, resp);
2143 NG_FREE_MSG (msg);
2144 return error;
2145 }
2146
2147 static int ng_cp_rcvdata (hook_p hook, item_p item)
2148 {
2149 drv_t *d = NG_NODE_PRIVATE (NG_HOOK_NODE(hook));
2150 struct mbuf *m;
2151 struct ng_tag_prio *ptag;
2152 bdrv_t *bd = d->board->sys;
2153 struct ifqueue *q;
2154 int s;
2155
2156 CP_DEBUG2 (d, ("Rcvdata\n"));
2157 NGI_GET_M (item, m);
2158 NG_FREE_ITEM (item);
2159 if (! NG_HOOK_PRIVATE (hook) || ! d) {
2160 NG_FREE_M (m);
2161 return ENETDOWN;
2162 }
2163
2164 /* Check for high priority data */
2165 if ((ptag = (struct ng_tag_prio *)m_tag_locate(m, NGM_GENERIC_COOKIE,
2166 NG_TAG_PRIO, NULL)) != NULL && (ptag->priority > NG_PRIO_CUTOFF) )
2167 q = &d->hi_queue;
2168 else
2169 q = &d->queue;
2170
2171 s = splimp ();
2172 CP_LOCK (bd);
2173 IF_LOCK (q);
2174 if (_IF_QFULL (q)) {
2175 _IF_DROP (q);
2176 IF_UNLOCK (q);
2177 CP_UNLOCK (bd);
2178 splx (s);
2179 NG_FREE_M (m);
2180 return ENOBUFS;
2181 }
2182 _IF_ENQUEUE (q, m);
2183 IF_UNLOCK (q);
2184 cp_start (d);
2185 CP_UNLOCK (bd);
2186 splx (s);
2187 return 0;
2188 }
2189
2190 static int ng_cp_rmnode (node_p node)
2191 {
2192 drv_t *d = NG_NODE_PRIVATE (node);
2193
2194 CP_DEBUG (d, ("Rmnode\n"));
2195 if (d && d->running) {
2196 bdrv_t *bd = d->board->sys;
2197 int s = splimp ();
2198 CP_LOCK (bd);
2199 cp_down (d);
2200 CP_UNLOCK (bd);
2201 splx (s);
2202 }
2203 #ifdef KLD_MODULE
2204 if (node->nd_flags & NGF_REALLY_DIE) {
2205 NG_NODE_SET_PRIVATE (node, NULL);
2206 NG_NODE_UNREF (node);
2207 }
2208 NG_NODE_REVIVE(node); /* Persistant node */
2209 #endif
2210 return 0;
2211 }
2212
2213 static void ng_cp_watchdog (void *arg)
2214 {
2215 drv_t *d = arg;
2216
2217 if (d) {
2218 if (d->timeout == 1)
2219 cp_watchdog (d);
2220 if (d->timeout)
2221 d->timeout--;
2222 callout_reset (&d->timeout_handle, hz, ng_cp_watchdog, d);
2223 }
2224 }
2225
2226 static int ng_cp_connect (hook_p hook)
2227 {
2228 drv_t *d = NG_NODE_PRIVATE (NG_HOOK_NODE (hook));
2229
2230 if (d) {
2231 CP_DEBUG (d, ("Connect\n"));
2232 callout_reset (&d->timeout_handle, hz, ng_cp_watchdog, d);
2233 }
2234
2235 return 0;
2236 }
2237
2238 static int ng_cp_disconnect (hook_p hook)
2239 {
2240 drv_t *d = NG_NODE_PRIVATE (NG_HOOK_NODE (hook));
2241
2242 if (d) {
2243 CP_DEBUG (d, ("Disconnect\n"));
2244 if (NG_HOOK_PRIVATE (hook))
2245 {
2246 bdrv_t *bd = d->board->sys;
2247 int s = splimp ();
2248 CP_LOCK (bd);
2249 cp_down (d);
2250 CP_UNLOCK (bd);
2251 splx (s);
2252 }
2253 /* If we were wait it than it reasserted now, just stop it. */
2254 if (!callout_drain (&d->timeout_handle))
2255 callout_stop (&d->timeout_handle);
2256 }
2257 return 0;
2258 }
2259 #endif
2260
2261 static int cp_modevent (module_t mod, int type, void *unused)
2262 {
2263 static int load_count = 0;
2264
2265 if (!debug_mpsafenet && cp_mpsafenet) {
2266 printf ("WORNING! Network stack is not MPSAFE. "
2267 "Turning off debug.cp.mpsafenet.\n");
2268 cp_mpsafenet = 0;
2269 }
2270 if (cp_mpsafenet)
2271 cp_cdevsw.d_flags &= ~D_NEEDGIANT;
2272
2273 switch (type) {
2274 case MOD_LOAD:
2275 #ifdef NETGRAPH
2276 if (ng_newtype (&typestruct))
2277 printf ("Failed to register ng_cp\n");
2278 #endif
2279 ++load_count;
2280 callout_init (&timeout_handle, cp_mpsafenet?CALLOUT_MPSAFE:0);
2281 callout_reset (&timeout_handle, hz*5, cp_timeout, 0);
2282 break;
2283 case MOD_UNLOAD:
2284 if (load_count == 1) {
2285 printf ("Removing device entry for Tau-PCI\n");
2286 #ifdef NETGRAPH
2287 ng_rmtype (&typestruct);
2288 #endif
2289 }
2290 /* If we were wait it than it reasserted now, just stop it.
2291 * Actually we shouldn't get this condition. But code could be
2292 * changed in the future, so just be a litle paranoid.
2293 */
2294 if (!callout_drain (&timeout_handle))
2295 callout_stop (&timeout_handle);
2296 --load_count;
2297 break;
2298 case MOD_SHUTDOWN:
2299 break;
2300 }
2301 return 0;
2302 }
2303
2304 #ifdef NETGRAPH
2305 static struct ng_type typestruct = {
2306 .version = NG_ABI_VERSION,
2307 .name = NG_CP_NODE_TYPE,
2308 .constructor = ng_cp_constructor,
2309 .rcvmsg = ng_cp_rcvmsg,
2310 .shutdown = ng_cp_rmnode,
2311 .newhook = ng_cp_newhook,
2312 .connect = ng_cp_connect,
2313 .rcvdata = ng_cp_rcvdata,
2314 .disconnect = ng_cp_disconnect,
2315 };
2316 #endif /*NETGRAPH*/
2317
2318 #ifdef NETGRAPH
2319 MODULE_DEPEND (ng_cp, netgraph, NG_ABI_VERSION, NG_ABI_VERSION, NG_ABI_VERSION);
2320 #else
2321 MODULE_DEPEND (cp, sppp, 1, 1, 1);
2322 #endif
2323 DRIVER_MODULE (cp, pci, cp_driver, cp_devclass, cp_modevent, NULL);
2324 MODULE_VERSION (cp, 1);
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