1 /*
2 * Cronyx-Tau32-PCI adapter driver for FreeBSD.
3 *
4 * Copyright (C) 2003-2005 Cronyx Engineering.
5 * Copyright (C) 2003-2005 Kurakin Roman, <[email protected]>
6 *
7 * This software is distributed with NO WARRANTIES, not even the implied
8 * warranties for MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
9 *
10 * Authors grant any other persons or organisations a permission to use,
11 * modify and redistribute this software in source and binary forms,
12 * as long as this message is kept with the software, all derivative
13 * works or modified versions.
14 *
15 * $Cronyx: if_ce.c,v 1.9.2.8 2005/11/21 14:17:44 rik Exp $
16 */
17
18 #include <sys/cdefs.h>
19 __FBSDID("$FreeBSD$");
20
21 #include <sys/param.h>
22
23 #include <sys/ucred.h>
24 #include <sys/priv.h>
25 #include <sys/proc.h>
26 #include <sys/systm.h>
27 #include <sys/mbuf.h>
28 #include <sys/kernel.h>
29 #include <sys/module.h>
30 #include <sys/conf.h>
31 #include <sys/malloc.h>
32 #include <sys/socket.h>
33 #include <sys/sockio.h>
34 #include <sys/sysctl.h>
35 #include <sys/tty.h>
36 #include <sys/bus.h>
37 #include <vm/vm.h>
38 #include <vm/pmap.h>
39 #include <net/if.h>
40 #include <net/if_var.h>
41 # include <dev/pci/pcivar.h>
42 # include <dev/pci/pcireg.h>
43 #include <machine/bus.h>
44 #include <sys/rman.h>
45 #include "opt_ng_cronyx.h"
46 #ifdef NETGRAPH_CRONYX
47 # include "opt_netgraph.h"
48 # ifndef NETGRAPH
49 # error #option NETGRAPH missed from configuration
50 # endif
51 # include <netgraph/ng_message.h>
52 # include <netgraph/netgraph.h>
53 # include <dev/ce/ng_ce.h>
54 #else
55 # include <net/if_types.h>
56 # include <net/if_sppp.h>
57 # define PP_CISCO IFF_LINK2
58 # include <net/bpf.h>
59 #endif
60 #include <dev/ce/machdep.h>
61 #include <dev/ce/ceddk.h>
62 #include <machine/cserial.h>
63 #include <machine/resource.h>
64
65 /* If we don't have Cronyx's sppp version, we don't have fr support via sppp */
66 #ifndef PP_FR
67 #define PP_FR 0
68 #endif
69
70 #ifndef IFP2SP
71 #define IFP2SP(ifp) ((struct sppp*)ifp)
72 #endif
73 #ifndef SP2IFP
74 #define SP2IFP(sp) ((struct ifnet*)sp)
75 #endif
76
77 #ifndef PCIR_BAR
78 #define PCIR_BAR(x) (PCIR_MAPS + (x) * 4)
79 #endif
80
81 /* define as our previous return value */
82 #ifndef BUS_PROBE_DEFAULT
83 #define BUS_PROBE_DEFAULT 0
84 #endif
85
86 #define CE_DEBUG(d,s) ({if (d->chan->debug) {\
87 printf ("%s: ", d->name); printf s;}})
88 #define CE_DEBUG2(d,s) ({if (d->chan->debug>1) {\
89 printf ("%s: ", d->name); printf s;}})
90
91 #ifndef IF_DRAIN
92 #define IF_DRAIN(ifq) do { \
93 struct mbuf *m; \
94 for (;;) { \
95 IF_DEQUEUE(ifq, m); \
96 if (m == NULL) \
97 break; \
98 m_freem(m); \
99 } \
100 } while (0)
101 #endif
102
103 #ifndef _IF_QLEN
104 #define _IF_QLEN(ifq) ((ifq)->ifq_len)
105 #endif
106
107 #ifndef callout_drain
108 #define callout_drain callout_stop
109 #endif
110
111 #define CE_LOCK_NAME "ceX"
112
113 #define CE_LOCK(_bd) mtx_lock (&(_bd)->ce_mtx)
114 #define CE_UNLOCK(_bd) mtx_unlock (&(_bd)->ce_mtx)
115 #define CE_LOCK_ASSERT(_bd) mtx_assert (&(_bd)->ce_mtx, MA_OWNED)
116
117 #define CDEV_MAJOR 185
118
119 static int ce_probe __P((device_t));
120 static int ce_attach __P((device_t));
121 static int ce_detach __P((device_t));
122
123 static device_method_t ce_methods[] = {
124 /* Device interface */
125 DEVMETHOD(device_probe, ce_probe),
126 DEVMETHOD(device_attach, ce_attach),
127 DEVMETHOD(device_detach, ce_detach),
128
129 DEVMETHOD_END
130 };
131
132 typedef struct _ce_dma_mem_t {
133 unsigned long phys;
134 void *virt;
135 size_t size;
136 bus_dma_tag_t dmat;
137 bus_dmamap_t mapp;
138 } ce_dma_mem_t;
139
140 typedef struct _drv_t {
141 char name [8];
142 int running;
143 ce_board_t *board;
144 ce_chan_t *chan;
145 struct ifqueue rqueue;
146 #ifdef NETGRAPH
147 char nodename [NG_NODESIZE];
148 hook_p hook;
149 hook_p debug_hook;
150 node_p node;
151 struct ifqueue queue;
152 struct ifqueue hi_queue;
153 #else
154 struct ifnet *ifp;
155 #endif
156 short timeout;
157 struct callout timeout_handle;
158 struct cdev *devt;
159 ce_dma_mem_t dmamem;
160 } drv_t;
161
162 typedef struct _bdrv_t {
163 ce_board_t *board;
164 struct resource *ce_res;
165 struct resource *ce_irq;
166 void *ce_intrhand;
167 ce_dma_mem_t dmamem;
168 drv_t channel [NCHAN];
169 struct mtx ce_mtx;
170 } bdrv_t;
171
172 static driver_t ce_driver = {
173 "ce",
174 ce_methods,
175 sizeof(bdrv_t),
176 };
177
178 static devclass_t ce_devclass;
179
180 static void ce_receive (ce_chan_t *c, unsigned char *data, int len);
181 static void ce_transmit (ce_chan_t *c, void *attachment, int len);
182 static void ce_error (ce_chan_t *c, int data);
183 static void ce_up (drv_t *d);
184 static void ce_start (drv_t *d);
185 static void ce_down (drv_t *d);
186 static void ce_watchdog (drv_t *d);
187 static void ce_watchdog_timer (void *arg);
188 #ifdef NETGRAPH
189 extern struct ng_type typestruct;
190 #else
191 static void ce_ifstart (struct ifnet *ifp);
192 static void ce_tlf (struct sppp *sp);
193 static void ce_tls (struct sppp *sp);
194 static int ce_sioctl (struct ifnet *ifp, u_long cmd, caddr_t data);
195 static void ce_initialize (void *softc);
196 #endif
197
198 static ce_board_t *adapter [NBRD];
199 static drv_t *channel [NBRD*NCHAN];
200 static struct callout led_timo [NBRD];
201 static struct callout timeout_handle;
202
203 static int ce_destroy = 0;
204
205 static int ce_open (struct cdev *dev, int oflags, int devtype, struct thread *td);
206 static int ce_close (struct cdev *dev, int fflag, int devtype, struct thread *td);
207 static int ce_ioctl (struct cdev *dev, u_long cmd, caddr_t data, int flag, struct thread *td);
208 static struct cdevsw ce_cdevsw = {
209 .d_version = D_VERSION,
210 .d_open = ce_open,
211 .d_close = ce_close,
212 .d_ioctl = ce_ioctl,
213 .d_name = "ce",
214 };
215
216 /*
217 * Make an mbuf from data.
218 */
makembuf(void * buf,unsigned len)219 static struct mbuf *makembuf (void *buf, unsigned len)
220 {
221 struct mbuf *m;
222
223 MGETHDR (m, M_NOWAIT, MT_DATA);
224 if (! m)
225 return 0;
226 if (!(MCLGET(m, M_NOWAIT))) {
227 m_freem (m);
228 return 0;
229 }
230 m->m_pkthdr.len = m->m_len = len;
231 bcopy (buf, mtod (m, caddr_t), len);
232 return m;
233 }
234
ce_probe(device_t dev)235 static int ce_probe (device_t dev)
236 {
237 if ((pci_get_vendor (dev) == TAU32_PCI_VENDOR_ID) &&
238 (pci_get_device (dev) == TAU32_PCI_DEVICE_ID)) {
239 device_set_desc (dev, "Cronyx-Tau32-PCI serial adapter");
240 return BUS_PROBE_DEFAULT;
241 }
242 return ENXIO;
243 }
244
ce_timeout(void * arg)245 static void ce_timeout (void *arg)
246 {
247 drv_t *d;
248 int s, i, k;
249
250 for (i = 0; i < NBRD; ++i) {
251 if (adapter[i] == NULL)
252 continue;
253 for (k = 0; k < NCHAN; ++k) {
254 s = splimp ();
255 if (ce_destroy) {
256 splx (s);
257 return;
258 }
259 d = channel[i * NCHAN + k];
260 if (!d) {
261 splx (s);
262 continue;
263 }
264 CE_LOCK ((bdrv_t *)d->board->sys);
265 switch (d->chan->type) {
266 case T_E1:
267 ce_e1_timer (d->chan);
268 break;
269 default:
270 break;
271 }
272 CE_UNLOCK ((bdrv_t *)d->board->sys);
273 splx (s);
274 }
275 }
276 s = splimp ();
277 if (!ce_destroy)
278 callout_reset (&timeout_handle, hz, ce_timeout, 0);
279 splx (s);
280 }
281
ce_led_off(void * arg)282 static void ce_led_off (void *arg)
283 {
284 ce_board_t *b = arg;
285 bdrv_t *bd = (bdrv_t *) b->sys;
286 int s;
287 s = splimp ();
288 if (ce_destroy) {
289 splx (s);
290 return;
291 }
292 CE_LOCK (bd);
293 TAU32_LedSet (b->ddk.pControllerObject, 0);
294 CE_UNLOCK (bd);
295 splx (s);
296 }
297
ce_intr(void * arg)298 static void ce_intr (void *arg)
299 {
300 bdrv_t *bd = arg;
301 ce_board_t *b = bd->board;
302 int s;
303 int i;
304 #if __FreeBSD_version >= 500000 && defined NETGRAPH
305 int error;
306 #endif
307 s = splimp ();
308 if (ce_destroy) {
309 splx (s);
310 return;
311 }
312 CE_LOCK (bd);
313 /* Turn LED on. */
314 TAU32_LedSet (b->ddk.pControllerObject, 1);
315
316 TAU32_HandleInterrupt (b->ddk.pControllerObject);
317
318 /* Turn LED off 50 msec later. */
319 callout_reset (&led_timo[b->num], hz/20, ce_led_off, b);
320 CE_UNLOCK (bd);
321 splx (s);
322
323 /* Pass packets in a lock-free state */
324 for (i = 0; i < NCHAN && b->chan[i].type; i++) {
325 drv_t *d = b->chan[i].sys;
326 struct mbuf *m;
327 if (!d || !d->running)
328 continue;
329 while (_IF_QLEN(&d->rqueue)) {
330 IF_DEQUEUE (&d->rqueue,m);
331 if (!m)
332 continue;
333 #ifdef NETGRAPH
334 if (d->hook) {
335 NG_SEND_DATA_ONLY (error, d->hook, m);
336 } else {
337 IF_DRAIN (&d->rqueue);
338 }
339 #else
340 sppp_input (d->ifp, m);
341 #endif
342 }
343 }
344 }
345
346 static void
ce_bus_dmamap_addr(void * arg,bus_dma_segment_t * segs,int nseg,int error)347 ce_bus_dmamap_addr (void *arg, bus_dma_segment_t *segs, int nseg, int error)
348 {
349 unsigned long *addr;
350
351 if (error)
352 return;
353
354 KASSERT(nseg == 1, ("too many DMA segments, %d should be 1", nseg));
355 addr = arg;
356 *addr = segs->ds_addr;
357 }
358
359 #ifndef BUS_DMA_ZERO
360 #define BUS_DMA_ZERO 0
361 #endif
362
363 static int
ce_bus_dma_mem_alloc(int bnum,int cnum,ce_dma_mem_t * dmem)364 ce_bus_dma_mem_alloc (int bnum, int cnum, ce_dma_mem_t *dmem)
365 {
366 int error;
367
368 error = bus_dma_tag_create (NULL, 16, 0, BUS_SPACE_MAXADDR_32BIT,
369 BUS_SPACE_MAXADDR, NULL, NULL, dmem->size, 1,
370 dmem->size, 0,
371 NULL, NULL,
372 &dmem->dmat);
373 if (error) {
374 if (cnum >= 0) printf ("ce%d-%d: ", bnum, cnum);
375 else printf ("ce%d: ", bnum);
376 printf ("couldn't allocate tag for dma memory\n");
377 return 0;
378 }
379 error = bus_dmamem_alloc (dmem->dmat, (void **)&dmem->virt,
380 BUS_DMA_NOWAIT | BUS_DMA_ZERO, &dmem->mapp);
381 if (error) {
382 if (cnum >= 0) printf ("ce%d-%d: ", bnum, cnum);
383 else printf ("ce%d: ", bnum);
384 printf ("couldn't allocate mem for dma memory\n");
385 bus_dma_tag_destroy (dmem->dmat);
386 return 0;
387 }
388 error = bus_dmamap_load (dmem->dmat, dmem->mapp, dmem->virt,
389 dmem->size, ce_bus_dmamap_addr, &dmem->phys, 0);
390 if (error) {
391 if (cnum >= 0) printf ("ce%d-%d: ", bnum, cnum);
392 else printf ("ce%d: ", bnum);
393 printf ("couldn't load mem map for dma memory\n");
394 bus_dmamem_free (dmem->dmat, dmem->virt, dmem->mapp);
395 bus_dma_tag_destroy (dmem->dmat);
396 return 0;
397 }
398 bzero (dmem->virt, dmem->size);
399 return 1;
400 }
401
402 static void
ce_bus_dma_mem_free(ce_dma_mem_t * dmem)403 ce_bus_dma_mem_free (ce_dma_mem_t *dmem)
404 {
405 bus_dmamap_unload (dmem->dmat, dmem->mapp);
406 bus_dmamem_free (dmem->dmat, dmem->virt, dmem->mapp);
407 bus_dma_tag_destroy (dmem->dmat);
408 }
409
410 /*
411 * Called if the probe succeeded.
412 */
ce_attach(device_t dev)413 static int ce_attach (device_t dev)
414 {
415 bdrv_t *bd = device_get_softc (dev);
416 int unit = device_get_unit (dev);
417 char *ce_ln = CE_LOCK_NAME;
418 vm_offset_t vbase;
419 int rid, error;
420 ce_board_t *b;
421 ce_chan_t *c;
422 drv_t *d;
423 int s;
424
425 b = malloc (sizeof(ce_board_t), M_DEVBUF, M_WAITOK);
426 if (!b) {
427 printf ("ce%d: couldn't allocate memory\n", unit);
428 return (ENXIO);
429 }
430 bzero (b, sizeof(ce_board_t));
431
432 b->ddk.sys = &b;
433
434 pci_enable_busmaster (dev);
435
436 bd->dmamem.size = TAU32_ControllerObjectSize;
437 if (! ce_bus_dma_mem_alloc (unit, -1, &bd->dmamem)) {
438 free (b, M_DEVBUF);
439 return (ENXIO);
440 }
441 b->ddk.pControllerObject = bd->dmamem.virt;
442
443 bd->board = b;
444 b->sys = bd;
445 rid = PCIR_BAR(0);
446 bd->ce_res = bus_alloc_resource (dev, SYS_RES_MEMORY, &rid,
447 0, ~0, 1, RF_ACTIVE);
448 if (! bd->ce_res) {
449 printf ("ce%d: cannot map memory\n", unit);
450 ce_bus_dma_mem_free (&bd->dmamem);
451 free (b, M_DEVBUF);
452 return (ENXIO);
453 }
454 vbase = (vm_offset_t) rman_get_virtual (bd->ce_res);
455
456 b->ddk.PciBar1VirtualAddress = (void *)vbase;
457 b->ddk.ControllerObjectPhysicalAddress = bd->dmamem.phys;
458 b->ddk.pErrorNotifyCallback = ce_error_callback;
459 b->ddk.pStatusNotifyCallback = ce_status_callback;
460 b->num = unit;
461
462 TAU32_BeforeReset(&b->ddk);
463 pci_write_config (dev, TAU32_PCI_RESET_ADDRESS, TAU32_PCI_RESET_ON, 4);
464 pci_write_config (dev, TAU32_PCI_RESET_ADDRESS, TAU32_PCI_RESET_OFF, 4);
465
466 if(!TAU32_Initialize(&b->ddk, 0))
467 {
468 printf ("ce%d: init adapter error 0x%08x, bus dead bits 0x%08lx\n",
469 unit, b->ddk.InitErrors, b->ddk.DeadBits);
470 bus_release_resource (dev, SYS_RES_MEMORY, PCIR_BAR(0), bd->ce_res);
471 ce_bus_dma_mem_free (&bd->dmamem);
472 free (b, M_DEVBUF);
473 return (ENXIO);
474 }
475
476 s = splimp ();
477
478 ce_init_board (b);
479
480 rid = 0;
481 bd->ce_irq = bus_alloc_resource (dev, SYS_RES_IRQ, &rid, 0, ~0, 1,
482 RF_SHAREABLE | RF_ACTIVE);
483 if (! bd->ce_irq) {
484 printf ("ce%d: cannot map interrupt\n", unit);
485 bus_release_resource (dev, SYS_RES_MEMORY, PCIR_BAR(0), bd->ce_res);
486 ce_bus_dma_mem_free (&bd->dmamem);
487 free (b, M_DEVBUF);
488 splx (s);
489 return (ENXIO);
490 }
491 callout_init (&led_timo[unit], 1);
492 error = bus_setup_intr (dev, bd->ce_irq,
493 INTR_TYPE_NET|INTR_MPSAFE,
494 NULL, ce_intr, bd, &bd->ce_intrhand);
495 if (error) {
496 printf ("ce%d: cannot set up irq\n", unit);
497 bus_release_resource (dev, SYS_RES_IRQ, 0, bd->ce_irq);
498 bus_release_resource (dev, SYS_RES_MEMORY,
499 PCIR_BAR(0), bd->ce_res);
500 ce_bus_dma_mem_free (&bd->dmamem);
501 free (b, M_DEVBUF);
502 splx (s);
503 return (ENXIO);
504 }
505
506 switch (b->ddk.Model) {
507 case 1: strcpy (b->name, TAU32_BASE_NAME); break;
508 case 2: strcpy (b->name, TAU32_LITE_NAME); break;
509 case 3: strcpy (b->name, TAU32_ADPCM_NAME); break;
510 default: strcpy (b->name, TAU32_UNKNOWN_NAME); break;
511 }
512
513 printf ("ce%d: %s\n", unit, b->name);
514
515 for (c = b->chan; c < b->chan + NCHAN; ++c) {
516 c->num = (c - b->chan);
517 c->board = b;
518
519 d = &bd->channel[c->num];
520 d->dmamem.size = sizeof(ce_buf_t);
521 if (! ce_bus_dma_mem_alloc (unit, c->num, &d->dmamem))
522 continue;
523
524 channel [b->num * NCHAN + c->num] = d;
525 sprintf (d->name, "ce%d.%d", b->num, c->num);
526 d->board = b;
527 d->chan = c;
528 c->sys = d;
529 }
530
531 for (c = b->chan; c < b->chan + NCHAN; ++c) {
532 if (c->sys == NULL)
533 continue;
534 d = c->sys;
535
536 callout_init (&d->timeout_handle, 1);
537 #ifdef NETGRAPH
538 if (ng_make_node_common (&typestruct, &d->node) != 0) {
539 printf ("%s: cannot make common node\n", d->name);
540 d->node = NULL;
541 continue;
542 }
543 NG_NODE_SET_PRIVATE (d->node, d);
544 sprintf (d->nodename, "%s%d", NG_CE_NODE_TYPE,
545 c->board->num * NCHAN + c->num);
546 if (ng_name_node (d->node, d->nodename)) {
547 printf ("%s: cannot name node\n", d->nodename);
548 NG_NODE_UNREF (d->node);
549 continue;
550 }
551 d->queue.ifq_maxlen = ifqmaxlen;
552 d->hi_queue.ifq_maxlen = ifqmaxlen;
553 d->rqueue.ifq_maxlen = ifqmaxlen;
554 mtx_init (&d->queue.ifq_mtx, "ce_queue", NULL, MTX_DEF);
555 mtx_init (&d->hi_queue.ifq_mtx, "ce_queue_hi", NULL, MTX_DEF);
556 mtx_init (&d->rqueue.ifq_mtx, "ce_rqueue", NULL, MTX_DEF);
557 #else /*NETGRAPH*/
558 d->ifp = if_alloc(IFT_PPP);
559 if (!d->ifp) {
560 printf ("%s: cannot if_alloc() interface\n", d->name);
561 continue;
562 }
563 d->ifp->if_softc = d;
564 if_initname (d->ifp, "ce", b->num * NCHAN + c->num);
565 d->ifp->if_mtu = PP_MTU;
566 d->ifp->if_flags = IFF_POINTOPOINT | IFF_MULTICAST;
567 d->ifp->if_ioctl = ce_sioctl;
568 d->ifp->if_start = ce_ifstart;
569 d->ifp->if_init = ce_initialize;
570 d->rqueue.ifq_maxlen = ifqmaxlen;
571 mtx_init (&d->rqueue.ifq_mtx, "ce_rqueue", NULL, MTX_DEF);
572 sppp_attach (d->ifp);
573 if_attach (d->ifp);
574 IFP2SP(d->ifp)->pp_tlf = ce_tlf;
575 IFP2SP(d->ifp)->pp_tls = ce_tls;
576 /* If BPF is in the kernel, call the attach for it.
577 * The header size of PPP or Cisco/HDLC is 4 bytes. */
578 bpfattach (d->ifp, DLT_PPP, 4);
579 #endif /*NETGRAPH*/
580 ce_start_chan (c, 1, 1, d->dmamem.virt, d->dmamem.phys);
581
582 /* Register callback functions. */
583 ce_register_transmit (c, &ce_transmit);
584 ce_register_receive (c, &ce_receive);
585 ce_register_error (c, &ce_error);
586 d->devt = make_dev (&ce_cdevsw, b->num*NCHAN+c->num, UID_ROOT,
587 GID_WHEEL, 0600, "ce%d", b->num*NCHAN+c->num);
588 }
589
590 ce_ln[2] = '0' + unit;
591 mtx_init (&bd->ce_mtx, ce_ln, MTX_NETWORK_LOCK, MTX_DEF|MTX_RECURSE);
592 CE_LOCK (bd);
593 TAU32_EnableInterrupts(b->ddk.pControllerObject);
594 adapter[unit] = b;
595 CE_UNLOCK (bd);
596 splx (s);
597
598 return 0;
599 }
600
ce_detach(device_t dev)601 static int ce_detach (device_t dev)
602 {
603 bdrv_t *bd = device_get_softc (dev);
604 ce_board_t *b = bd->board;
605 ce_chan_t *c;
606 int s;
607
608 KASSERT (mtx_initialized (&bd->ce_mtx), ("ce mutex not initialized"));
609 s = splimp ();
610 CE_LOCK (bd);
611 /* Check if the device is busy (open). */
612 for (c = b->chan; c < b->chan + NCHAN; ++c) {
613 drv_t *d = (drv_t*) c->sys;
614
615 /* XXX Non existen chan! */
616 if (! d || ! d->chan)
617 continue;
618 if (d->running) {
619 CE_UNLOCK (bd);
620 splx (s);
621 return EBUSY;
622 }
623 }
624
625 /* Ok, we can unload driver */
626 /* At first we should disable interrupts */
627 ce_destroy = 1;
628 TAU32_DisableInterrupts(b->ddk.pControllerObject);
629
630 callout_stop (&led_timo[b->num]);
631
632 for (c = b->chan; c < b->chan + NCHAN; ++c) {
633 drv_t *d = (drv_t*) c->sys;
634
635 if (! d || ! d->chan)
636 continue;
637 callout_stop (&d->timeout_handle);
638 #ifndef NETGRAPH
639 /* Detach from the packet filter list of interfaces. */
640 bpfdetach (d->ifp);
641
642 /* Detach from the sync PPP list. */
643 sppp_detach (d->ifp);
644
645 /* Detach from the system list of interfaces. */
646 if_detach (d->ifp);
647 if_free(d->ifp);
648
649 IF_DRAIN (&d->rqueue);
650 mtx_destroy (&d->rqueue.ifq_mtx);
651 #else
652 if (d->node) {
653 ng_rmnode_self (d->node);
654 NG_NODE_UNREF (d->node);
655 d->node = NULL;
656 }
657 IF_DRAIN (&d->rqueue);
658 mtx_destroy (&d->queue.ifq_mtx);
659 mtx_destroy (&d->hi_queue.ifq_mtx);
660 mtx_destroy (&d->rqueue.ifq_mtx);
661 #endif
662 destroy_dev (d->devt);
663 }
664
665 CE_UNLOCK (bd);
666 splx (s);
667
668 callout_drain (&led_timo[b->num]);
669
670 /* Disable the interrupt request. */
671 bus_teardown_intr (dev, bd->ce_irq, bd->ce_intrhand);
672 bus_release_resource (dev, SYS_RES_IRQ, 0, bd->ce_irq);
673 TAU32_DestructiveHalt (b->ddk.pControllerObject, 0);
674 bus_release_resource (dev, SYS_RES_MEMORY, PCIR_BAR(0), bd->ce_res);
675
676 for (c = b->chan; c < b->chan + NCHAN; ++c) {
677 drv_t *d = (drv_t*) c->sys;
678
679 if (! d || ! d->chan)
680 continue;
681 callout_drain (&d->timeout_handle);
682 channel [b->num * NCHAN + c->num] = NULL;
683 /* Deallocate buffers. */
684 ce_bus_dma_mem_free (&d->dmamem);
685 }
686 adapter [b->num] = NULL;
687 ce_bus_dma_mem_free (&bd->dmamem);
688 free (b, M_DEVBUF);
689 mtx_destroy (&bd->ce_mtx);
690 return 0;
691 }
692
693 #ifndef NETGRAPH
ce_ifstart(struct ifnet * ifp)694 static void ce_ifstart (struct ifnet *ifp)
695 {
696 drv_t *d = ifp->if_softc;
697 bdrv_t *bd = d->board->sys;
698
699 CE_LOCK (bd);
700 ce_start (d);
701 CE_UNLOCK (bd);
702 }
703
ce_tlf(struct sppp * sp)704 static void ce_tlf (struct sppp *sp)
705 {
706 drv_t *d = SP2IFP(sp)->if_softc;
707
708 CE_DEBUG2 (d, ("ce_tlf\n"));
709 sp->pp_down (sp);
710 }
711
ce_tls(struct sppp * sp)712 static void ce_tls (struct sppp *sp)
713 {
714 drv_t *d = SP2IFP(sp)->if_softc;
715
716 CE_DEBUG2 (d, ("ce_tls\n"));
717 sp->pp_up (sp);
718 }
719
720 /*
721 * Process an ioctl request.
722 */
ce_sioctl(struct ifnet * ifp,u_long cmd,caddr_t data)723 static int ce_sioctl (struct ifnet *ifp, u_long cmd, caddr_t data)
724 {
725 drv_t *d = ifp->if_softc;
726 bdrv_t *bd = d->board->sys;
727 int error, s, was_up, should_be_up;
728
729 was_up = (ifp->if_drv_flags & IFF_DRV_RUNNING) != 0;
730 error = sppp_ioctl (ifp, cmd, data);
731
732 if (error)
733 return error;
734
735 if (! (ifp->if_flags & IFF_DEBUG))
736 d->chan->debug = 0;
737 else
738 d->chan->debug = d->chan->debug_shadow;
739
740 switch (cmd) {
741 default: CE_DEBUG2 (d, ("ioctl 0x%lx\n", cmd)); return 0;
742 case SIOCADDMULTI: CE_DEBUG2 (d, ("ioctl SIOCADDMULTI\n")); return 0;
743 case SIOCDELMULTI: CE_DEBUG2 (d, ("ioctl SIOCDELMULTI\n")); return 0;
744 case SIOCSIFFLAGS: CE_DEBUG2 (d, ("ioctl SIOCSIFFLAGS\n")); break;
745 case SIOCSIFADDR: CE_DEBUG2 (d, ("ioctl SIOCSIFADDR\n")); break;
746 }
747
748 /* We get here only in case of SIFFLAGS or SIFADDR. */
749 s = splimp ();
750 CE_LOCK (bd);
751 should_be_up = (ifp->if_drv_flags & IFF_DRV_RUNNING) != 0;
752 if (! was_up && should_be_up) {
753 /* Interface goes up -- start it. */
754 ce_up (d);
755 ce_start (d);
756 } else if (was_up && ! should_be_up) {
757 /* Interface is going down -- stop it. */
758 /* if ((IFP2SP(ifp)->pp_flags & PP_FR) || (ifp->if_flags & PP_CISCO))*/
759 ce_down (d);
760 }
761 CE_DEBUG (d, ("ioctl 0x%lx p4\n", cmd));
762 CE_UNLOCK (bd);
763 splx (s);
764 return 0;
765 }
766
767 /*
768 * Initialization of interface.
769 * It seems to be never called by upper level?
770 */
ce_initialize(void * softc)771 static void ce_initialize (void *softc)
772 {
773 drv_t *d = softc;
774
775 CE_DEBUG (d, ("ce_initialize\n"));
776 }
777 #endif /*NETGRAPH*/
778
779 /*
780 * Stop the interface. Called on splimp().
781 */
ce_down(drv_t * d)782 static void ce_down (drv_t *d)
783 {
784 CE_DEBUG (d, ("ce_down\n"));
785 /* Interface is going down -- stop it. */
786 ce_set_dtr (d->chan, 0);
787 ce_set_rts (d->chan, 0);
788
789 d->running = 0;
790 callout_stop (&d->timeout_handle);
791 }
792
793 /*
794 * Start the interface. Called on splimp().
795 */
ce_up(drv_t * d)796 static void ce_up (drv_t *d)
797 {
798 CE_DEBUG (d, ("ce_up\n"));
799 ce_set_dtr (d->chan, 1);
800 ce_set_rts (d->chan, 1);
801
802 d->running = 1;
803 }
804
805 /*
806 * Start output on the interface. Get another datagram to send
807 * off of the interface queue, and copy it to the interface
808 * before starting the output.
809 */
ce_send(drv_t * d)810 static void ce_send (drv_t *d)
811 {
812 struct mbuf *m;
813 u_short len;
814
815 CE_DEBUG2 (d, ("ce_send\n"));
816
817 /* No output if the interface is down. */
818 if (! d->running)
819 return;
820
821 while (ce_transmit_space (d->chan)) {
822 /* Get the packet to send. */
823 #ifdef NETGRAPH
824 IF_DEQUEUE (&d->hi_queue, m);
825 if (! m)
826 IF_DEQUEUE (&d->queue, m);
827 #else
828 m = sppp_dequeue (d->ifp);
829 #endif
830 if (! m)
831 return;
832 #ifndef NETGRAPH
833 BPF_MTAP (d->ifp, m);
834 #endif
835 len = m_length (m, NULL);
836 if (len >= BUFSZ)
837 printf ("%s: too long packet: %d bytes: ",
838 d->name, len);
839 else if (! m->m_next)
840 ce_send_packet (d->chan, (u_char*) mtod (m, caddr_t), len, 0);
841 else {
842 ce_buf_item_t *item = (ce_buf_item_t*)d->chan->tx_queue;
843 m_copydata (m, 0, len, item->buf);
844 ce_send_packet (d->chan, item->buf, len, 0);
845 }
846 m_freem (m);
847 /* Set up transmit timeout, if the transmit ring is not empty.*/
848 d->timeout = 10;
849 }
850 #ifndef NETGRAPH
851 d->ifp->if_flags |= IFF_DRV_OACTIVE;
852 #endif
853 }
854
855 /*
856 * Start output on the interface.
857 * Always called on splimp().
858 */
ce_start(drv_t * d)859 static void ce_start (drv_t *d)
860 {
861 if (d->running) {
862 if (! d->chan->dtr)
863 ce_set_dtr (d->chan, 1);
864 if (! d->chan->rts)
865 ce_set_rts (d->chan, 1);
866 ce_send (d);
867 callout_reset (&d->timeout_handle, hz, ce_watchdog_timer, d);
868 }
869 }
870
871 /*
872 * Handle transmit timeouts.
873 * Recover after lost transmit interrupts.
874 * Always called on splimp().
875 */
ce_watchdog(drv_t * d)876 static void ce_watchdog (drv_t *d)
877 {
878 CE_DEBUG (d, ("device timeout\n"));
879 if (d->running) {
880 ce_set_dtr (d->chan, 0);
881 ce_set_rts (d->chan, 0);
882 /* ce_stop_chan (d->chan);*/
883 /* ce_start_chan (d->chan, 1, 1, 0, 0);*/
884 ce_set_dtr (d->chan, 1);
885 ce_set_rts (d->chan, 1);
886 ce_start (d);
887 }
888 }
889
ce_watchdog_timer(void * arg)890 static void ce_watchdog_timer (void *arg)
891 {
892 drv_t *d = arg;
893 bdrv_t *bd = d->board->sys;
894
895 CE_LOCK(bd);
896 if (d->timeout == 1)
897 ce_watchdog (d);
898 if (d->timeout)
899 d->timeout--;
900 callout_reset (&d->timeout_handle, hz, ce_watchdog_timer, d);
901 CE_UNLOCK(bd);
902 }
903
ce_transmit(ce_chan_t * c,void * attachment,int len)904 static void ce_transmit (ce_chan_t *c, void *attachment, int len)
905 {
906 drv_t *d = c->sys;
907
908 d->timeout = 0;
909 #ifndef NETGRAPH
910 if_inc_counter(d->ifp, IFCOUNTER_OPACKETS, 1);
911 d->ifp->if_flags &= ~IFF_DRV_OACTIVE;
912 #endif
913 ce_start (d);
914 }
915
ce_receive(ce_chan_t * c,unsigned char * data,int len)916 static void ce_receive (ce_chan_t *c, unsigned char *data, int len)
917 {
918 drv_t *d = c->sys;
919 struct mbuf *m;
920
921 if (! d->running)
922 return;
923
924 m = makembuf (data, len);
925 if (! m) {
926 CE_DEBUG (d, ("no memory for packet\n"));
927 #ifndef NETGRAPH
928 if_inc_counter(d->ifp, IFCOUNTER_IQDROPS, 1);
929 #endif
930 return;
931 }
932 if (c->debug > 1)
933 m_print (m, 0);
934 #ifdef NETGRAPH
935 m->m_pkthdr.rcvif = 0;
936 IF_ENQUEUE(&d->rqueue, m);
937 #else
938 if_inc_counter(d->ifp, IFCOUNTER_IPACKETS, 1);
939 m->m_pkthdr.rcvif = d->ifp;
940 /* Check if there's a BPF listener on this interface.
941 * If so, hand off the raw packet to bpf. */
942 BPF_MTAP(d->ifp, m);
943 IF_ENQUEUE(&d->rqueue, m);
944 #endif
945 }
946
ce_error(ce_chan_t * c,int data)947 static void ce_error (ce_chan_t *c, int data)
948 {
949 drv_t *d = c->sys;
950
951 switch (data) {
952 case CE_FRAME:
953 CE_DEBUG (d, ("frame error\n"));
954 #ifndef NETGRAPH
955 if_inc_counter(d->ifp, IFCOUNTER_IERRORS, 1);
956 #endif
957 break;
958 case CE_CRC:
959 CE_DEBUG (d, ("crc error\n"));
960 #ifndef NETGRAPH
961 if_inc_counter(d->ifp, IFCOUNTER_IERRORS, 1);
962 #endif
963 break;
964 case CE_OVERRUN:
965 CE_DEBUG (d, ("overrun error\n"));
966 #ifndef NETGRAPH
967 if_inc_counter(d->ifp, IFCOUNTER_COLLISIONS, 1);
968 if_inc_counter(d->ifp, IFCOUNTER_IERRORS, 1);
969 #endif
970 break;
971 case CE_OVERFLOW:
972 CE_DEBUG (d, ("overflow error\n"));
973 #ifndef NETGRAPH
974 if_inc_counter(d->ifp, IFCOUNTER_IERRORS, 1);
975 #endif
976 break;
977 case CE_UNDERRUN:
978 CE_DEBUG (d, ("underrun error\n"));
979 d->timeout = 0;
980 #ifndef NETGRAPH
981 if_inc_counter(d->ifp, IFCOUNTER_OERRORS, 1);
982 d->ifp->if_flags &= ~IFF_DRV_OACTIVE;
983 #endif
984 ce_start (d);
985 break;
986 default:
987 CE_DEBUG (d, ("error #%d\n", data));
988 break;
989 }
990 }
991
992 /*
993 * You also need read, write, open, close routines.
994 * This should get you started
995 */
ce_open(struct cdev * dev,int oflags,int devtype,struct thread * td)996 static int ce_open (struct cdev *dev, int oflags, int devtype, struct thread *td)
997 {
998 int unit = dev2unit (dev);
999 drv_t *d;
1000
1001 if (unit >= NBRD*NCHAN || ! (d = channel[unit]))
1002 return ENXIO;
1003 CE_DEBUG2 (d, ("ce_open\n"));
1004 return 0;
1005 }
1006
1007 /*
1008 * Only called on the LAST close.
1009 */
ce_close(struct cdev * dev,int fflag,int devtype,struct thread * td)1010 static int ce_close (struct cdev *dev, int fflag, int devtype, struct thread *td)
1011 {
1012 drv_t *d = channel [dev2unit (dev)];
1013
1014 CE_DEBUG2 (d, ("ce_close\n"));
1015 return 0;
1016 }
1017
ce_modem_status(ce_chan_t * c)1018 static int ce_modem_status (ce_chan_t *c)
1019 {
1020 drv_t *d = c->sys;
1021 bdrv_t *bd = d->board->sys;
1022 int status, s;
1023
1024 status = d->running ? TIOCM_LE : 0;
1025 s = splimp ();
1026 CE_LOCK (bd);
1027 if (ce_get_cd (c)) status |= TIOCM_CD;
1028 if (ce_get_cts (c)) status |= TIOCM_CTS;
1029 if (ce_get_dsr (c)) status |= TIOCM_DSR;
1030 if (c->dtr) status |= TIOCM_DTR;
1031 if (c->rts) status |= TIOCM_RTS;
1032 CE_UNLOCK (bd);
1033 splx (s);
1034 return status;
1035 }
1036
ce_ioctl(struct cdev * dev,u_long cmd,caddr_t data,int flag,struct thread * td)1037 static int ce_ioctl (struct cdev *dev, u_long cmd, caddr_t data, int flag, struct thread *td)
1038 {
1039 drv_t *d = channel [dev2unit (dev)];
1040 bdrv_t *bd = d->board->sys;
1041 ce_chan_t *c = d->chan;
1042 struct serial_statistics *st;
1043 struct e1_statistics *opte1;
1044 int error, s;
1045 char mask[16];
1046
1047 switch (cmd) {
1048 case SERIAL_GETREGISTERED:
1049 CE_DEBUG2 (d, ("ioctl: getregistered\n"));
1050 bzero (mask, sizeof(mask));
1051 for (s=0; s<NBRD*NCHAN; ++s)
1052 if (channel [s])
1053 mask [s/8] |= 1 << (s & 7);
1054 bcopy (mask, data, sizeof (mask));
1055 return 0;
1056
1057 #ifndef NETGRAPH
1058 case SERIAL_GETPROTO:
1059 CE_DEBUG2 (d, ("ioctl: getproto\n"));
1060 strcpy ((char*)data, (IFP2SP(d->ifp)->pp_flags & PP_FR) ? "fr" :
1061 (d->ifp->if_flags & PP_CISCO) ? "cisco" : "ppp");
1062 return 0;
1063
1064 case SERIAL_SETPROTO:
1065 CE_DEBUG2 (d, ("ioctl: setproto\n"));
1066 /* Only for superuser! */
1067 error = priv_check (td, PRIV_DRIVER);
1068 if (error)
1069 return error;
1070 if (d->ifp->if_flags & IFF_DRV_RUNNING)
1071 return EBUSY;
1072 if (! strcmp ("cisco", (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 #if PP_FR != 0
1077 } else if (! strcmp ("fr", (char*)data)) {
1078 d->ifp->if_flags &= ~(PP_CISCO);
1079 IFP2SP(d->ifp)->pp_flags |= PP_FR | PP_KEEPALIVE;
1080 #endif
1081 } else if (! strcmp ("ppp", (char*)data)) {
1082 IFP2SP(d->ifp)->pp_flags &= ~PP_FR;
1083 IFP2SP(d->ifp)->pp_flags &= ~PP_KEEPALIVE;
1084 d->ifp->if_flags &= ~(PP_CISCO);
1085 } else
1086 return EINVAL;
1087 return 0;
1088
1089 case SERIAL_GETKEEPALIVE:
1090 CE_DEBUG2 (d, ("ioctl: getkeepalive\n"));
1091 if ((IFP2SP(d->ifp)->pp_flags & PP_FR) ||
1092 (d->ifp->if_flags & PP_CISCO))
1093 return EINVAL;
1094 *(int*)data = (IFP2SP(d->ifp)->pp_flags & PP_KEEPALIVE) ? 1 : 0;
1095 return 0;
1096
1097 case SERIAL_SETKEEPALIVE:
1098 CE_DEBUG2 (d, ("ioctl: setkeepalive\n"));
1099 /* Only for superuser! */
1100 error = priv_check (td, PRIV_DRIVER);
1101 if (error)
1102 return error;
1103 if ((IFP2SP(d->ifp)->pp_flags & PP_FR) ||
1104 (d->ifp->if_flags & PP_CISCO))
1105 return EINVAL;
1106 s = splimp ();
1107 CE_LOCK (bd);
1108 if (*(int*)data)
1109 IFP2SP(d->ifp)->pp_flags |= PP_KEEPALIVE;
1110 else
1111 IFP2SP(d->ifp)->pp_flags &= ~PP_KEEPALIVE;
1112 CE_UNLOCK (bd);
1113 splx (s);
1114 return 0;
1115 #endif /*NETGRAPH*/
1116
1117 case SERIAL_GETMODE:
1118 CE_DEBUG2 (d, ("ioctl: getmode\n"));
1119 *(int*)data = SERIAL_HDLC;
1120 return 0;
1121
1122 case SERIAL_SETMODE:
1123 /* Only for superuser! */
1124 error = priv_check (td, PRIV_DRIVER);
1125 if (error)
1126 return error;
1127 if (*(int*)data != SERIAL_HDLC)
1128 return EINVAL;
1129 return 0;
1130
1131 case SERIAL_GETCFG:
1132 CE_DEBUG2 (d, ("ioctl: getcfg\n"));
1133 *(char*)data = 'c';
1134 return 0;
1135
1136 case SERIAL_SETCFG:
1137 CE_DEBUG2 (d, ("ioctl: setcfg\n"));
1138 error = priv_check (td, PRIV_DRIVER);
1139 if (error)
1140 return error;
1141 if (*((char*)data) != 'c')
1142 return EINVAL;
1143 return 0;
1144
1145 case SERIAL_GETSTAT:
1146 CE_DEBUG2 (d, ("ioctl: getstat\n"));
1147 st = (struct serial_statistics*) data;
1148 st->rintr = c->rintr;
1149 st->tintr = c->tintr;
1150 st->mintr = 0;
1151 st->ibytes = c->ibytes;
1152 st->ipkts = c->ipkts;
1153 st->obytes = c->obytes;
1154 st->opkts = c->opkts;
1155 st->ierrs = c->overrun + c->frame + c->crc;
1156 st->oerrs = c->underrun;
1157 return 0;
1158
1159 case SERIAL_GETESTAT:
1160 CE_DEBUG2 (d, ("ioctl: getestat\n"));
1161 if (c->type != T_E1)
1162 return EINVAL;
1163 opte1 = (struct e1_statistics*) data;
1164
1165 opte1->status = 0;
1166 if (c->status & ESTS_NOALARM)
1167 opte1->status |= E1_NOALARM;
1168 if (c->status & ESTS_LOS)
1169 opte1->status |= E1_LOS;
1170 if (c->status & ESTS_LOF)
1171 opte1->status |= E1_LOF;
1172 if (c->status & ESTS_AIS)
1173 opte1->status |= E1_AIS;
1174 if (c->status & ESTS_LOMF)
1175 opte1->status |= E1_LOMF;
1176 if (c->status & ESTS_AIS16)
1177 opte1->status |= E1_AIS16;
1178 if (c->status & ESTS_FARLOF)
1179 opte1->status |= E1_FARLOF;
1180 if (c->status & ESTS_FARLOMF)
1181 opte1->status |= E1_FARLOMF;
1182 if (c->status & ESTS_TSTREQ)
1183 opte1->status |= E1_TSTREQ;
1184 if (c->status & ESTS_TSTERR)
1185 opte1->status |= E1_TSTERR;
1186
1187 opte1->cursec = c->cursec;
1188 opte1->totsec = c->totsec + c->cursec;
1189
1190 opte1->currnt.bpv = c->currnt.bpv;
1191 opte1->currnt.fse = c->currnt.fse;
1192 opte1->currnt.crce = c->currnt.crce;
1193 opte1->currnt.rcrce = c->currnt.rcrce;
1194 opte1->currnt.uas = c->currnt.uas;
1195 opte1->currnt.les = c->currnt.les;
1196 opte1->currnt.es = c->currnt.es;
1197 opte1->currnt.bes = c->currnt.bes;
1198 opte1->currnt.ses = c->currnt.ses;
1199 opte1->currnt.oofs = c->currnt.oofs;
1200 opte1->currnt.css = c->currnt.css;
1201 opte1->currnt.dm = c->currnt.dm;
1202
1203 opte1->total.bpv = c->total.bpv + c->currnt.bpv;
1204 opte1->total.fse = c->total.fse + c->currnt.fse;
1205 opte1->total.crce = c->total.crce + c->currnt.crce;
1206 opte1->total.rcrce = c->total.rcrce + c->currnt.rcrce;
1207 opte1->total.uas = c->total.uas + c->currnt.uas;
1208 opte1->total.les = c->total.les + c->currnt.les;
1209 opte1->total.es = c->total.es + c->currnt.es;
1210 opte1->total.bes = c->total.bes + c->currnt.bes;
1211 opte1->total.ses = c->total.ses + c->currnt.ses;
1212 opte1->total.oofs = c->total.oofs + c->currnt.oofs;
1213 opte1->total.css = c->total.css + c->currnt.css;
1214 opte1->total.dm = c->total.dm + c->currnt.dm;
1215 for (s=0; s<48; ++s) {
1216 opte1->interval[s].bpv = c->interval[s].bpv;
1217 opte1->interval[s].fse = c->interval[s].fse;
1218 opte1->interval[s].crce = c->interval[s].crce;
1219 opte1->interval[s].rcrce = c->interval[s].rcrce;
1220 opte1->interval[s].uas = c->interval[s].uas;
1221 opte1->interval[s].les = c->interval[s].les;
1222 opte1->interval[s].es = c->interval[s].es;
1223 opte1->interval[s].bes = c->interval[s].bes;
1224 opte1->interval[s].ses = c->interval[s].ses;
1225 opte1->interval[s].oofs = c->interval[s].oofs;
1226 opte1->interval[s].css = c->interval[s].css;
1227 opte1->interval[s].dm = c->interval[s].dm;
1228 }
1229 return 0;
1230
1231 case SERIAL_CLRSTAT:
1232 CE_DEBUG2 (d, ("ioctl: clrstat\n"));
1233 /* Only for superuser! */
1234 error = priv_check (td, PRIV_DRIVER);
1235 if (error)
1236 return error;
1237 c->rintr = 0;
1238 c->tintr = 0;
1239 c->ibytes = 0;
1240 c->obytes = 0;
1241 c->ipkts = 0;
1242 c->opkts = 0;
1243 c->overrun = 0;
1244 c->frame = 0;
1245 c->crc = 0;
1246 c->underrun = 0;
1247 bzero (&c->currnt, sizeof (c->currnt));
1248 bzero (&c->total, sizeof (c->total));
1249 bzero (c->interval, sizeof (c->interval));
1250 return 0;
1251
1252 case SERIAL_GETLOOP:
1253 CE_DEBUG2 (d, ("ioctl: getloop\n"));
1254 if (c->type != T_E1)
1255 return EINVAL;
1256 *(int*)data = c->lloop;
1257 return 0;
1258
1259 case SERIAL_SETLOOP:
1260 CE_DEBUG2 (d, ("ioctl: setloop\n"));
1261 if (c->type != T_E1)
1262 return EINVAL;
1263 /* Only for superuser! */
1264 error = priv_check (td, PRIV_DRIVER);
1265 if (error)
1266 return error;
1267 s = splimp ();
1268 CE_LOCK (bd);
1269 ce_set_lloop (c, *(int*)data);
1270 CE_UNLOCK (bd);
1271 splx (s);
1272 return 0;
1273
1274 case SERIAL_GETRLOOP:
1275 CE_DEBUG2 (d, ("ioctl: getrloop\n"));
1276 if (c->type != T_E1)
1277 return EINVAL;
1278 *(int*)data = c->rloop;
1279 return 0;
1280
1281 case SERIAL_SETRLOOP:
1282 CE_DEBUG2 (d, ("ioctl: setloop\n"));
1283 if (c->type != T_E1)
1284 return EINVAL;
1285 /* Only for superuser! */
1286 error = priv_check (td, PRIV_DRIVER);
1287 if (error)
1288 return error;
1289 s = splimp ();
1290 CE_LOCK (bd);
1291 ce_set_rloop (c, *(int*)data);
1292 CE_UNLOCK (bd);
1293 splx (s);
1294 return 0;
1295
1296 case SERIAL_GETDEBUG:
1297 CE_DEBUG2 (d, ("ioctl: getdebug\n"));
1298 *(int*)data = d->chan->debug;
1299 return 0;
1300
1301 case SERIAL_SETDEBUG:
1302 CE_DEBUG2 (d, ("ioctl: setdebug\n"));
1303 /* Only for superuser! */
1304 error = priv_check (td, PRIV_DRIVER);
1305 if (error)
1306 return error;
1307 #ifndef NETGRAPH
1308 /*
1309 * The debug_shadow is always greater than zero for logic
1310 * simplicity. For switching debug off the IFF_DEBUG is
1311 * responsible.
1312 */
1313 d->chan->debug_shadow = (*(int*)data) ? (*(int*)data) : 1;
1314 if (d->ifp->if_flags & IFF_DEBUG)
1315 d->chan->debug = d->chan->debug_shadow;
1316 #else
1317 d->chan->debug = *(int*)data;
1318 #endif
1319 return 0;
1320
1321 case SERIAL_GETBAUD:
1322 CE_DEBUG2 (d, ("ioctl: getbaud\n"));
1323 *(long*)data = c->baud;
1324 return 0;
1325
1326 case SERIAL_SETBAUD:
1327 CE_DEBUG2 (d, ("ioctl: setbaud\n"));
1328 if (c->type != T_E1 || !c->unfram)
1329 return EINVAL;
1330 /* Only for superuser! */
1331 error = priv_check (td, PRIV_DRIVER);
1332 if (error)
1333 return error;
1334 s = splimp ();
1335 CE_LOCK (bd);
1336 ce_set_baud (c, *(long*)data);
1337 CE_UNLOCK (bd);
1338 splx (s);
1339 return 0;
1340
1341 case SERIAL_GETTIMESLOTS:
1342 CE_DEBUG2 (d, ("ioctl: gettimeslots\n"));
1343 if ((c->type != T_E1 || c->unfram) && c->type != T_DATA)
1344 return EINVAL;
1345 *(u_long*)data = c->ts;
1346 return 0;
1347
1348 case SERIAL_SETTIMESLOTS:
1349 CE_DEBUG2 (d, ("ioctl: settimeslots\n"));
1350 /* Only for superuser! */
1351 error = priv_check (td, PRIV_DRIVER);
1352 if (error)
1353 return error;
1354 if ((c->type != T_E1 || c->unfram) && c->type != T_DATA)
1355 return EINVAL;
1356 s = splimp ();
1357 CE_LOCK (bd);
1358 ce_set_ts (c, *(u_long*)data);
1359 CE_UNLOCK (bd);
1360 splx (s);
1361 return 0;
1362
1363 case SERIAL_GETHIGAIN:
1364 CE_DEBUG2 (d, ("ioctl: gethigain\n"));
1365 if (c->type != T_E1)
1366 return EINVAL;
1367 *(int*)data = c->higain;
1368 return 0;
1369
1370 case SERIAL_SETHIGAIN:
1371 CE_DEBUG2 (d, ("ioctl: sethigain\n"));
1372 if (c->type != T_E1)
1373 return EINVAL;
1374 /* Only for superuser! */
1375 error = priv_check (td, PRIV_DRIVER);
1376 if (error)
1377 return error;
1378 s = splimp ();
1379 CE_LOCK (bd);
1380 ce_set_higain (c, *(int*)data);
1381 CE_UNLOCK (bd);
1382 splx (s);
1383 return 0;
1384
1385 case SERIAL_GETPHONY:
1386 CE_DEBUG2 (d, ("ioctl: getphony\n"));
1387 *(int*)data = c->phony;
1388 return 0;
1389
1390 case SERIAL_SETPHONY:
1391 CE_DEBUG2 (d, ("ioctl: setphony\n"));
1392 /* Only for superuser! */
1393 error = priv_check (td, PRIV_DRIVER);
1394 if (error)
1395 return error;
1396 s = splimp ();
1397 CE_LOCK (bd);
1398 ce_set_phony (c, *(int*)data);
1399 CE_UNLOCK (bd);
1400 splx (s);
1401 return 0;
1402
1403 case SERIAL_GETUNFRAM:
1404 CE_DEBUG2 (d, ("ioctl: getunfram\n"));
1405 if (c->type != T_E1 || c->num != 0)
1406 return EINVAL;
1407 *(int*)data = c->unfram;
1408 return 0;
1409
1410 case SERIAL_SETUNFRAM:
1411 CE_DEBUG2 (d, ("ioctl: setunfram\n"));
1412 if (c->type != T_E1 || c->num != 0)
1413 return EINVAL;
1414 /* Only for superuser! */
1415 error = priv_check (td, PRIV_DRIVER);
1416 if (error)
1417 return error;
1418 s = splimp ();
1419 CE_LOCK (bd);
1420 ce_set_unfram (c, *(int*)data);
1421 CE_UNLOCK (bd);
1422 splx (s);
1423 return 0;
1424
1425 case SERIAL_GETSCRAMBLER:
1426 CE_DEBUG2 (d, ("ioctl: getscrambler\n"));
1427 if (!c->unfram)
1428 return EINVAL;
1429 *(int*)data = c->scrambler;
1430 return 0;
1431
1432 case SERIAL_SETSCRAMBLER:
1433 CE_DEBUG2 (d, ("ioctl: setscrambler\n"));
1434 /* Only for superuser! */
1435 error = priv_check (td, PRIV_DRIVER);
1436 if (error)
1437 return error;
1438 if (!c->unfram)
1439 return EINVAL;
1440 s = splimp ();
1441 CE_LOCK (bd);
1442 ce_set_scrambler (c, *(int*)data);
1443 CE_UNLOCK (bd);
1444 splx (s);
1445 return 0;
1446
1447 case SERIAL_GETMONITOR:
1448 CE_DEBUG2 (d, ("ioctl: getmonitor\n"));
1449 if (c->type != T_E1)
1450 return EINVAL;
1451 *(int*)data = c->monitor;
1452 return 0;
1453
1454 case SERIAL_SETMONITOR:
1455 CE_DEBUG2 (d, ("ioctl: setmonitor\n"));
1456 /* Only for superuser! */
1457 error = priv_check (td, PRIV_DRIVER);
1458 if (error)
1459 return error;
1460 if (c->type != T_E1)
1461 return EINVAL;
1462 s = splimp ();
1463 CE_LOCK (bd);
1464 ce_set_monitor (c, *(int*)data);
1465 CE_UNLOCK (bd);
1466 splx (s);
1467 return 0;
1468
1469 case SERIAL_GETUSE16:
1470 CE_DEBUG2 (d, ("ioctl: getuse16\n"));
1471 if (c->type != T_E1 || c->unfram)
1472 return EINVAL;
1473 *(int*)data = c->use16;
1474 return 0;
1475
1476 case SERIAL_SETUSE16:
1477 CE_DEBUG2 (d, ("ioctl: setuse16\n"));
1478 /* Only for superuser! */
1479 error = priv_check (td, PRIV_DRIVER);
1480 if (error)
1481 return error;
1482 if (c->type != T_E1)
1483 return EINVAL;
1484 s = splimp ();
1485 CE_LOCK (bd);
1486 ce_set_use16 (c, *(int*)data);
1487 CE_UNLOCK (bd);
1488 splx (s);
1489 return 0;
1490
1491 case SERIAL_GETCRC4:
1492 CE_DEBUG2 (d, ("ioctl: getcrc4\n"));
1493 if (c->type != T_E1 || c->unfram)
1494 return EINVAL;
1495 *(int*)data = c->crc4;
1496 return 0;
1497
1498 case SERIAL_SETCRC4:
1499 CE_DEBUG2 (d, ("ioctl: setcrc4\n"));
1500 /* Only for superuser! */
1501 error = priv_check (td, PRIV_DRIVER);
1502 if (error)
1503 return error;
1504 if (c->type != T_E1 || c->unfram)
1505 return EINVAL;
1506 s = splimp ();
1507 CE_LOCK (bd);
1508 ce_set_crc4 (c, *(int*)data);
1509 CE_UNLOCK (bd);
1510 splx (s);
1511 return 0;
1512
1513 case SERIAL_GETCLK:
1514 CE_DEBUG2 (d, ("ioctl: getclk\n"));
1515 if (c->type != T_E1)
1516 return EINVAL;
1517 switch (c->gsyn) {
1518 default: *(int*)data = E1CLK_INTERNAL; break;
1519 case GSYN_RCV: *(int*)data = E1CLK_RECEIVE; break;
1520 case GSYN_RCV0: *(int*)data = E1CLK_RECEIVE_CHAN0; break;
1521 case GSYN_RCV1: *(int*)data = E1CLK_RECEIVE_CHAN1; break;
1522 }
1523 return 0;
1524
1525 case SERIAL_SETCLK:
1526 CE_DEBUG2 (d, ("ioctl: setclk\n"));
1527 /* Only for superuser! */
1528 error = priv_check (td, PRIV_DRIVER);
1529 if (error)
1530 return error;
1531 if (c->type != T_E1)
1532 return EINVAL;
1533 s = splimp ();
1534 CE_LOCK (bd);
1535 switch (*(int*)data) {
1536 default: ce_set_gsyn (c, GSYN_INT); break;
1537 case E1CLK_RECEIVE: ce_set_gsyn (c, GSYN_RCV); break;
1538 case E1CLK_RECEIVE_CHAN0: ce_set_gsyn (c, GSYN_RCV0); break;
1539 case E1CLK_RECEIVE_CHAN1: ce_set_gsyn (c, GSYN_RCV1); break;
1540 }
1541 CE_UNLOCK (bd);
1542 splx (s);
1543 return 0;
1544
1545 #if 0
1546 case SERIAL_RESET:
1547 CE_DEBUG2 (d, ("ioctl: reset\n"));
1548 /* Only for superuser! */
1549 error = priv_check (td, PRIV_DRIVER);
1550 if (error)
1551 return error;
1552 s = splimp ();
1553 CE_LOCK (bd);
1554 /* ce_reset (c->board, 0, 0);*/
1555 CE_UNLOCK (bd);
1556 splx (s);
1557 return 0;
1558
1559 case SERIAL_HARDRESET:
1560 CE_DEBUG2 (d, ("ioctl: hardreset\n"));
1561 /* Only for superuser! */
1562 error = priv_check (td, PRIV_DRIVER);
1563 if (error)
1564 return error;
1565 s = splimp ();
1566 CE_LOCK (bd);
1567 /* hard_reset (c->board); */
1568 CE_UNLOCK (bd);
1569 splx (s);
1570 return 0;
1571 #endif
1572
1573 case SERIAL_GETCABLE:
1574 CE_DEBUG2 (d, ("ioctl: getcable\n"));
1575 if (c->type != T_E1)
1576 return EINVAL;
1577 s = splimp ();
1578 CE_LOCK (bd);
1579 *(int*)data = CABLE_TP;
1580 CE_UNLOCK (bd);
1581 splx (s);
1582 return 0;
1583
1584 case SERIAL_GETDIR:
1585 CE_DEBUG2 (d, ("ioctl: getdir\n"));
1586 if (c->type != T_E1 && c->type != T_DATA)
1587 return EINVAL;
1588 *(int*)data = c->dir;
1589 return 0;
1590
1591 case SERIAL_SETDIR:
1592 CE_DEBUG2 (d, ("ioctl: setdir\n"));
1593 /* Only for superuser! */
1594 error = priv_check (td, PRIV_DRIVER);
1595 if (error)
1596 return error;
1597 s = splimp ();
1598 CE_LOCK (bd);
1599 ce_set_dir (c, *(int*)data);
1600 CE_UNLOCK (bd);
1601 splx (s);
1602 return 0;
1603
1604 case TIOCSDTR: /* Set DTR */
1605 s = splimp ();
1606 CE_LOCK (bd);
1607 ce_set_dtr (c, 1);
1608 CE_UNLOCK (bd);
1609 splx (s);
1610 return 0;
1611
1612 case TIOCCDTR: /* Clear DTR */
1613 s = splimp ();
1614 CE_LOCK (bd);
1615 ce_set_dtr (c, 0);
1616 CE_UNLOCK (bd);
1617 splx (s);
1618 return 0;
1619
1620 case TIOCMSET: /* Set DTR/RTS */
1621 s = splimp ();
1622 CE_LOCK (bd);
1623 ce_set_dtr (c, (*(int*)data & TIOCM_DTR) ? 1 : 0);
1624 ce_set_rts (c, (*(int*)data & TIOCM_RTS) ? 1 : 0);
1625 CE_UNLOCK (bd);
1626 splx (s);
1627 return 0;
1628
1629 case TIOCMBIS: /* Add DTR/RTS */
1630 s = splimp ();
1631 CE_LOCK (bd);
1632 if (*(int*)data & TIOCM_DTR) ce_set_dtr (c, 1);
1633 if (*(int*)data & TIOCM_RTS) ce_set_rts (c, 1);
1634 CE_UNLOCK (bd);
1635 splx (s);
1636 return 0;
1637
1638 case TIOCMBIC: /* Clear DTR/RTS */
1639 s = splimp ();
1640 CE_LOCK (bd);
1641 if (*(int*)data & TIOCM_DTR) ce_set_dtr (c, 0);
1642 if (*(int*)data & TIOCM_RTS) ce_set_rts (c, 0);
1643 CE_UNLOCK (bd);
1644 splx (s);
1645 return 0;
1646
1647 case TIOCMGET: /* Get modem status */
1648 *(int*)data = ce_modem_status (c);
1649 return 0;
1650 }
1651 return ENOTTY;
1652 }
1653
1654 #ifdef NETGRAPH
ng_ce_constructor(node_p node)1655 static int ng_ce_constructor (node_p node)
1656 {
1657 drv_t *d = NG_NODE_PRIVATE (node);
1658 CE_DEBUG (d, ("Constructor\n"));
1659 return EINVAL;
1660 }
1661
ng_ce_newhook(node_p node,hook_p hook,const char * name)1662 static int ng_ce_newhook (node_p node, hook_p hook, const char *name)
1663 {
1664 int s;
1665 drv_t *d = NG_NODE_PRIVATE (node);
1666 bdrv_t *bd = d->board->sys;
1667
1668 CE_DEBUG (d, ("Newhook\n"));
1669 /* Attach debug hook */
1670 if (strcmp (name, NG_CE_HOOK_DEBUG) == 0) {
1671 NG_HOOK_SET_PRIVATE (hook, NULL);
1672 d->debug_hook = hook;
1673 return 0;
1674 }
1675
1676 /* Check for raw hook */
1677 if (strcmp (name, NG_CE_HOOK_RAW) != 0)
1678 return EINVAL;
1679
1680 NG_HOOK_SET_PRIVATE (hook, d);
1681 d->hook = hook;
1682 s = splimp ();
1683 CE_LOCK (bd);
1684 ce_up (d);
1685 CE_UNLOCK (bd);
1686 splx (s);
1687 return 0;
1688 }
1689
format_timeslots(u_long s)1690 static char *format_timeslots (u_long s)
1691 {
1692 static char buf [100];
1693 char *p = buf;
1694 int i;
1695
1696 for (i=1; i<32; ++i)
1697 if ((s >> i) & 1) {
1698 int prev = (i > 1) & (s >> (i-1));
1699 int next = (i < 31) & (s >> (i+1));
1700
1701 if (prev) {
1702 if (next)
1703 continue;
1704 *p++ = '-';
1705 } else if (p > buf)
1706 *p++ = ',';
1707
1708 if (i >= 10)
1709 *p++ = '0' + i / 10;
1710 *p++ = '0' + i % 10;
1711 }
1712 *p = 0;
1713 return buf;
1714 }
1715
print_modems(char * s,ce_chan_t * c,int need_header)1716 static int print_modems (char *s, ce_chan_t *c, int need_header)
1717 {
1718 int status = ce_modem_status (c);
1719 int length = 0;
1720
1721 if (need_header)
1722 length += sprintf (s + length, " LE DTR DSR RTS CTS CD\n");
1723 length += sprintf (s + length, "%4s %4s %4s %4s %4s %4s\n",
1724 status & TIOCM_LE ? "On" : "-",
1725 status & TIOCM_DTR ? "On" : "-",
1726 status & TIOCM_DSR ? "On" : "-",
1727 status & TIOCM_RTS ? "On" : "-",
1728 status & TIOCM_CTS ? "On" : "-",
1729 status & TIOCM_CD ? "On" : "-");
1730 return length;
1731 }
1732
print_stats(char * s,ce_chan_t * c,int need_header)1733 static int print_stats (char *s, ce_chan_t *c, int need_header)
1734 {
1735 int length = 0;
1736
1737 if (need_header)
1738 length += sprintf (s + length, " Rintr Tintr Mintr Ibytes Ipkts Ierrs Obytes Opkts Oerrs\n");
1739 length += sprintf (s + length, "%7ld %7ld %7ld %8lu %7ld %7ld %8lu %7ld %7ld\n",
1740 c->rintr, c->tintr, 0l, (unsigned long) c->ibytes,
1741 c->ipkts, c->overrun + c->frame + c->crc,
1742 (unsigned long) c->obytes, c->opkts, c->underrun);
1743 return length;
1744 }
1745
format_e1_status(u_char status)1746 static char *format_e1_status (u_char status)
1747 {
1748 static char buf [80];
1749
1750 if (status & E1_NOALARM)
1751 return "Ok";
1752 buf[0] = 0;
1753 if (status & E1_LOS) strcat (buf, ",LOS");
1754 if (status & E1_AIS) strcat (buf, ",AIS");
1755 if (status & E1_LOF) strcat (buf, ",LOF");
1756 if (status & E1_LOMF) strcat (buf, ",LOMF");
1757 if (status & E1_FARLOF) strcat (buf, ",FARLOF");
1758 if (status & E1_AIS16) strcat (buf, ",AIS16");
1759 if (status & E1_FARLOMF) strcat (buf, ",FARLOMF");
1760 if (status & E1_TSTREQ) strcat (buf, ",TSTREQ");
1761 if (status & E1_TSTERR) strcat (buf, ",TSTERR");
1762 if (buf[0] == ',')
1763 return buf+1;
1764 return "Unknown";
1765 }
1766
print_frac(char * s,int leftalign,u_long numerator,u_long divider)1767 static int print_frac (char *s, int leftalign, u_long numerator, u_long divider)
1768 {
1769 int n, length = 0;
1770
1771 if (numerator < 1 || divider < 1) {
1772 length += sprintf (s+length, leftalign ? "/- " : " -");
1773 return length;
1774 }
1775 n = (int) (0.5 + 1000.0 * numerator / divider);
1776 if (n < 1000) {
1777 length += sprintf (s+length, leftalign ? "/.%-3d" : " .%03d", n);
1778 return length;
1779 }
1780 *(s + length) = leftalign ? '/' : ' ';
1781 length ++;
1782
1783 if (n >= 1000000) n = (n+500) / 1000 * 1000;
1784 else if (n >= 100000) n = (n+50) / 100 * 100;
1785 else if (n >= 10000) n = (n+5) / 10 * 10;
1786
1787 switch (n) {
1788 case 1000: length += printf (s+length, ".999"); return length;
1789 case 10000: n = 9990; break;
1790 case 100000: n = 99900; break;
1791 case 1000000: n = 999000; break;
1792 }
1793 if (n < 10000) length += sprintf (s+length, "%d.%d", n/1000, n/10%100);
1794 else if (n < 100000) length += sprintf (s+length, "%d.%d", n/1000, n/100%10);
1795 else if (n < 1000000) length += sprintf (s+length, "%d.", n/1000);
1796 else length += sprintf (s+length, "%d", n/1000);
1797
1798 return length;
1799 }
1800
print_e1_stats(char * s,ce_chan_t * c)1801 static int print_e1_stats (char *s, ce_chan_t *c)
1802 {
1803 struct e1_counters total;
1804 u_long totsec;
1805 int length = 0;
1806
1807 totsec = c->totsec + c->cursec;
1808 total.bpv = c->total.bpv + c->currnt.bpv;
1809 total.fse = c->total.fse + c->currnt.fse;
1810 total.crce = c->total.crce + c->currnt.crce;
1811 total.rcrce = c->total.rcrce + c->currnt.rcrce;
1812 total.uas = c->total.uas + c->currnt.uas;
1813 total.les = c->total.les + c->currnt.les;
1814 total.es = c->total.es + c->currnt.es;
1815 total.bes = c->total.bes + c->currnt.bes;
1816 total.ses = c->total.ses + c->currnt.ses;
1817 total.oofs = c->total.oofs + c->currnt.oofs;
1818 total.css = c->total.css + c->currnt.css;
1819 total.dm = c->total.dm + c->currnt.dm;
1820
1821 length += sprintf (s + length, " Unav/Degr Bpv/Fsyn CRC/RCRC Err/Lerr Sev/Bur Oof/Slp Status\n");
1822
1823 /* Unavailable seconds, degraded minutes */
1824 length += print_frac (s + length, 0, c->currnt.uas, c->cursec);
1825 length += print_frac (s + length, 1, 60 * c->currnt.dm, c->cursec);
1826
1827 /* Bipolar violations, frame sync errors */
1828 length += print_frac (s + length, 0, c->currnt.bpv, c->cursec);
1829 length += print_frac (s + length, 1, c->currnt.fse, c->cursec);
1830
1831 /* CRC errors, remote CRC errors (E-bit) */
1832 length += print_frac (s + length, 0, c->currnt.crce, c->cursec);
1833 length += print_frac (s + length, 1, c->currnt.rcrce, c->cursec);
1834
1835 /* Errored seconds, line errored seconds */
1836 length += print_frac (s + length, 0, c->currnt.es, c->cursec);
1837 length += print_frac (s + length, 1, c->currnt.les, c->cursec);
1838
1839 /* Severely errored seconds, burst errored seconds */
1840 length += print_frac (s + length, 0, c->currnt.ses, c->cursec);
1841 length += print_frac (s + length, 1, c->currnt.bes, c->cursec);
1842
1843 /* Out of frame seconds, controlled slip seconds */
1844 length += print_frac (s + length, 0, c->currnt.oofs, c->cursec);
1845 length += print_frac (s + length, 1, c->currnt.css, c->cursec);
1846
1847 length += sprintf (s + length, " %s\n", format_e1_status (c->status));
1848
1849 /* Print total statistics. */
1850 length += print_frac (s + length, 0, total.uas, totsec);
1851 length += print_frac (s + length, 1, 60 * total.dm, totsec);
1852
1853 length += print_frac (s + length, 0, total.bpv, totsec);
1854 length += print_frac (s + length, 1, total.fse, totsec);
1855
1856 length += print_frac (s + length, 0, total.crce, totsec);
1857 length += print_frac (s + length, 1, total.rcrce, totsec);
1858
1859 length += print_frac (s + length, 0, total.es, totsec);
1860 length += print_frac (s + length, 1, total.les, totsec);
1861
1862 length += print_frac (s + length, 0, total.ses, totsec);
1863 length += print_frac (s + length, 1, total.bes, totsec);
1864
1865 length += print_frac (s + length, 0, total.oofs, totsec);
1866 length += print_frac (s + length, 1, total.css, totsec);
1867
1868 length += sprintf (s + length, " -- Total\n");
1869 return length;
1870 }
1871
print_chan(char * s,ce_chan_t * c)1872 static int print_chan (char *s, ce_chan_t *c)
1873 {
1874 drv_t *d = c->sys;
1875 int length = 0;
1876
1877 length += sprintf (s + length, "ce%d", c->board->num * NCHAN + c->num);
1878 if (d->chan->debug)
1879 length += sprintf (s + length, " debug=%d", d->chan->debug);
1880
1881 if (c->board->mux) {
1882 length += sprintf (s + length, " cfg=C");
1883 } else {
1884 length += sprintf (s + length, " cfg=A");
1885 }
1886
1887 if (c->baud)
1888 length += sprintf (s + length, " %ld", c->baud);
1889 else
1890 length += sprintf (s + length, " extclock");
1891
1892 if (c->type == T_E1)
1893 switch (c->gsyn) {
1894 case GSYN_INT : length += sprintf (s + length, " syn=int"); break;
1895 case GSYN_RCV : length += sprintf (s + length, " syn=rcv"); break;
1896 case GSYN_RCV0 : length += sprintf (s + length, " syn=rcv0"); break;
1897 case GSYN_RCV1 : length += sprintf (s + length, " syn=rcv1"); break;
1898 }
1899 if (c->type == T_E1)
1900 length += sprintf (s + length, " higain=%s", c->higain ? "on" : "off");
1901
1902 length += sprintf (s + length, " loop=%s", c->lloop ? "on" : "off");
1903
1904 if (c->type == T_E1)
1905 length += sprintf (s + length, " ts=%s", format_timeslots (c->ts));
1906 length += sprintf (s + length, "\n");
1907 return length;
1908 }
1909
ng_ce_rcvmsg(node_p node,item_p item,hook_p lasthook)1910 static int ng_ce_rcvmsg (node_p node, item_p item, hook_p lasthook)
1911 {
1912 drv_t *d = NG_NODE_PRIVATE (node);
1913 struct ng_mesg *msg;
1914 struct ng_mesg *resp = NULL;
1915 int error = 0;
1916
1917 CE_DEBUG (d, ("Rcvmsg\n"));
1918 NGI_GET_MSG (item, msg);
1919 switch (msg->header.typecookie) {
1920 default:
1921 error = EINVAL;
1922 break;
1923
1924 case NGM_CE_COOKIE:
1925 printf ("Not implemented yet\n");
1926 error = EINVAL;
1927 break;
1928
1929 case NGM_GENERIC_COOKIE:
1930 switch (msg->header.cmd) {
1931 default:
1932 error = EINVAL;
1933 break;
1934
1935 case NGM_TEXT_STATUS: {
1936 char *s;
1937 int l = 0;
1938 int dl = sizeof (struct ng_mesg) + 730;
1939
1940 NG_MKRESPONSE (resp, msg, dl, M_NOWAIT);
1941 if (! resp) {
1942 error = ENOMEM;
1943 break;
1944 }
1945 s = (resp)->data;
1946 if (d) {
1947 l += print_chan (s + l, d->chan);
1948 l += print_stats (s + l, d->chan, 1);
1949 l += print_modems (s + l, d->chan, 1);
1950 l += print_e1_stats (s + l, d->chan);
1951 } else
1952 l += sprintf (s + l, "Error: node not connect to channel");
1953 strncpy ((resp)->header.cmdstr, "status", NG_CMDSTRSIZ);
1954 }
1955 break;
1956 }
1957 break;
1958 }
1959 NG_RESPOND_MSG (error, node, item, resp);
1960 NG_FREE_MSG (msg);
1961 return error;
1962 }
1963
ng_ce_rcvdata(hook_p hook,item_p item)1964 static int ng_ce_rcvdata (hook_p hook, item_p item)
1965 {
1966 drv_t *d = NG_NODE_PRIVATE (NG_HOOK_NODE(hook));
1967 struct mbuf *m;
1968 struct ng_tag_prio *ptag;
1969 bdrv_t *bd = d->board->sys;
1970 struct ifqueue *q;
1971 int s;
1972
1973 CE_DEBUG2 (d, ("Rcvdata\n"));
1974 NGI_GET_M (item, m);
1975 NG_FREE_ITEM (item);
1976 if (! NG_HOOK_PRIVATE (hook) || ! d) {
1977 NG_FREE_M (m);
1978 return ENETDOWN;
1979 }
1980
1981 /* Check for high priority data */
1982 if ((ptag = (struct ng_tag_prio *)m_tag_locate(m, NGM_GENERIC_COOKIE,
1983 NG_TAG_PRIO, NULL)) != NULL && (ptag->priority > NG_PRIO_CUTOFF) )
1984 q = &d->hi_queue;
1985 else
1986 q = &d->queue;
1987
1988 s = splimp ();
1989 CE_LOCK (bd);
1990 IF_LOCK (q);
1991 if (_IF_QFULL (q)) {
1992 IF_UNLOCK (q);
1993 CE_UNLOCK (bd);
1994 splx (s);
1995 NG_FREE_M (m);
1996 return ENOBUFS;
1997 }
1998 _IF_ENQUEUE (q, m);
1999 IF_UNLOCK (q);
2000 ce_start (d);
2001 CE_UNLOCK (bd);
2002 splx (s);
2003 return 0;
2004 }
2005
ng_ce_rmnode(node_p node)2006 static int ng_ce_rmnode (node_p node)
2007 {
2008 drv_t *d = NG_NODE_PRIVATE (node);
2009
2010 CE_DEBUG (d, ("Rmnode\n"));
2011 if (d && d->running) {
2012 bdrv_t *bd = d->board->sys;
2013 int s = splimp ();
2014 CE_LOCK (bd);
2015 ce_down (d);
2016 CE_UNLOCK (bd);
2017 splx (s);
2018 }
2019 #ifdef KLD_MODULE
2020 if (node->nd_flags & NGF_REALLY_DIE) {
2021 NG_NODE_SET_PRIVATE (node, NULL);
2022 NG_NODE_UNREF (node);
2023 }
2024 NG_NODE_REVIVE(node); /* Persistent node */
2025 #endif
2026 return 0;
2027 }
2028
ng_ce_connect(hook_p hook)2029 static int ng_ce_connect (hook_p hook)
2030 {
2031 drv_t *d = NG_NODE_PRIVATE (NG_HOOK_NODE (hook));
2032
2033 if (d) {
2034 CE_DEBUG (d, ("Connect\n"));
2035 callout_reset (&d->timeout_handle, hz, ce_watchdog_timer, d);
2036 }
2037
2038 return 0;
2039 }
2040
ng_ce_disconnect(hook_p hook)2041 static int ng_ce_disconnect (hook_p hook)
2042 {
2043 drv_t *d = NG_NODE_PRIVATE (NG_HOOK_NODE (hook));
2044
2045 if (d) {
2046 CE_DEBUG (d, ("Disconnect\n"));
2047 if (NG_HOOK_PRIVATE (hook))
2048 {
2049 bdrv_t *bd = d->board->sys;
2050 int s = splimp ();
2051 CE_LOCK (bd);
2052 ce_down (d);
2053 CE_UNLOCK (bd);
2054 splx (s);
2055 }
2056 /* If we were wait it than it reasserted now, just stop it. */
2057 if (!callout_drain (&d->timeout_handle))
2058 callout_stop (&d->timeout_handle);
2059 }
2060 return 0;
2061 }
2062 #endif
2063
ce_modevent(module_t mod,int type,void * unused)2064 static int ce_modevent (module_t mod, int type, void *unused)
2065 {
2066 static int load_count = 0;
2067
2068
2069 switch (type) {
2070 case MOD_LOAD:
2071 #if __FreeBSD_version >= 500000 && defined NETGRAPH
2072 if (ng_newtype (&typestruct))
2073 printf ("Failed to register ng_ce\n");
2074 #endif
2075 ++load_count;
2076 callout_init (&timeout_handle, 1);
2077 callout_reset (&timeout_handle, hz*5, ce_timeout, 0);
2078 break;
2079 case MOD_UNLOAD:
2080 if (load_count == 1) {
2081 printf ("Removing device entry for Tau32-PCI\n");
2082 #if __FreeBSD_version >= 500000 && defined NETGRAPH
2083 ng_rmtype (&typestruct);
2084 #endif
2085 }
2086 /* If we were wait it than it reasserted now, just stop it.
2087 * Actually we shouldn't get this condition. But code could be
2088 * changed in the future, so just be a litle paranoid.
2089 */
2090 if (!callout_drain (&timeout_handle))
2091 callout_stop (&timeout_handle);
2092 --load_count;
2093 break;
2094 case MOD_SHUTDOWN:
2095 break;
2096 }
2097 return 0;
2098 }
2099
2100 #ifdef NETGRAPH
2101 static struct ng_type typestruct = {
2102 .version = NG_ABI_VERSION,
2103 .name = NG_CE_NODE_TYPE,
2104 .constructor = ng_ce_constructor,
2105 .rcvmsg = ng_ce_rcvmsg,
2106 .shutdown = ng_ce_rmnode,
2107 .newhook = ng_ce_newhook,
2108 .connect = ng_ce_connect,
2109 .rcvdata = ng_ce_rcvdata,
2110 .disconnect = ng_ce_disconnect,
2111 };
2112
2113 #endif /*NETGRAPH*/
2114
2115 #ifdef NETGRAPH
2116 MODULE_DEPEND (ng_ce, netgraph, NG_ABI_VERSION, NG_ABI_VERSION, NG_ABI_VERSION);
2117 #else
2118 MODULE_DEPEND (ce, sppp, 1, 1, 1);
2119 #endif
2120 #ifdef KLD_MODULE
2121 DRIVER_MODULE (cemod, pci, ce_driver, ce_devclass, ce_modevent, NULL);
2122 #else
2123 DRIVER_MODULE (ce, pci, ce_driver, ce_devclass, ce_modevent, NULL);
2124 #endif
2125