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