1 /*
2 * Cronyx-Tau32-PCI adapter driver for FreeBSD.
3 *
4 * Copyright (C) 2003-2005 Cronyx Engineering.
5 * Copyright (C) 2003-2005 Kurakin Roman, <rik@FreeBSD.org>
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 #include <sys/param.h>
20
21 #include <sys/ucred.h>
22 #include <sys/priv.h>
23 #include <sys/proc.h>
24 #include <sys/systm.h>
25 #include <sys/mbuf.h>
26 #include <sys/kernel.h>
27 #include <sys/module.h>
28 #include <sys/conf.h>
29 #include <sys/malloc.h>
30 #include <sys/socket.h>
31 #include <sys/sockio.h>
32 #include <sys/sysctl.h>
33 #include <sys/tty.h>
34 #include <sys/bus.h>
35 #include <vm/vm.h>
36 #include <vm/pmap.h>
37 #include <net/if.h>
38 #include <net/if_var.h>
39 # include <dev/pci/pcivar.h>
40 # include <dev/pci/pcireg.h>
41 #include <machine/bus.h>
42 #include <sys/rman.h>
43 #include "opt_ng_cronyx.h"
44 #ifdef NETGRAPH_CRONYX
45 # include "opt_netgraph.h"
46 # ifndef NETGRAPH
47 # error #option NETGRAPH missed from configuration
48 # endif
49 # include <netgraph/ng_message.h>
50 # include <netgraph/netgraph.h>
51 # include <dev/ce/ng_ce.h>
52 #else
53 # include <net/if_types.h>
54 # include <net/if_sppp.h>
55 # define PP_CISCO IFF_LINK2
56 # include <net/bpf.h>
57 #endif
58 #include <dev/ce/machdep.h>
59 #include <dev/ce/ceddk.h>
60 #include <machine/cserial.h>
61 #include <machine/resource.h>
62
63 /* If we don't have Cronyx's sppp version, we don't have fr support via sppp */
64 #ifndef PP_FR
65 #define PP_FR 0
66 #endif
67
68 #ifndef IFP2SP
69 #define IFP2SP(ifp) ((struct sppp*)ifp)
70 #endif
71 #ifndef SP2IFP
72 #define SP2IFP(sp) ((struct ifnet*)sp)
73 #endif
74
75 #ifndef PCIR_BAR
76 #define PCIR_BAR(x) (PCIR_MAPS + (x) * 4)
77 #endif
78
79 /* define as our previous return value */
80 #ifndef BUS_PROBE_DEFAULT
81 #define BUS_PROBE_DEFAULT 0
82 #endif
83
84 #define CE_DEBUG(d,s) ({if (d->chan->debug) {\
85 printf ("%s: ", d->name); printf s;}})
86 #define CE_DEBUG2(d,s) ({if (d->chan->debug>1) {\
87 printf ("%s: ", d->name); printf s;}})
88
89 #ifndef IF_DRAIN
90 #define IF_DRAIN(ifq) do { \
91 struct mbuf *m; \
92 for (;;) { \
93 IF_DEQUEUE(ifq, m); \
94 if (m == NULL) \
95 break; \
96 m_freem(m); \
97 } \
98 } while (0)
99 #endif
100
101 #ifndef _IF_QLEN
102 #define _IF_QLEN(ifq) ((ifq)->ifq_len)
103 #endif
104
105 #ifndef callout_drain
106 #define callout_drain callout_stop
107 #endif
108
109 #define CE_LOCK_NAME "ceX"
110
111 #define CE_LOCK(_bd) mtx_lock (&(_bd)->ce_mtx)
112 #define CE_UNLOCK(_bd) mtx_unlock (&(_bd)->ce_mtx)
113 #define CE_LOCK_ASSERT(_bd) mtx_assert (&(_bd)->ce_mtx, MA_OWNED)
114
115 #define CDEV_MAJOR 185
116
117 static int ce_probe __P((device_t));
118 static int ce_attach __P((device_t));
119 static int ce_detach __P((device_t));
120
121 static device_method_t ce_methods[] = {
122 /* Device interface */
123 DEVMETHOD(device_probe, ce_probe),
124 DEVMETHOD(device_attach, ce_attach),
125 DEVMETHOD(device_detach, ce_detach),
126
127 DEVMETHOD_END
128 };
129
130 typedef struct _ce_dma_mem_t {
131 unsigned long phys;
132 void *virt;
133 size_t size;
134 bus_dma_tag_t dmat;
135 bus_dmamap_t mapp;
136 } ce_dma_mem_t;
137
138 typedef struct _drv_t {
139 char name [8];
140 int running;
141 ce_board_t *board;
142 ce_chan_t *chan;
143 struct ifqueue rqueue;
144 #ifdef NETGRAPH
145 char nodename [NG_NODESIZE];
146 hook_p hook;
147 hook_p debug_hook;
148 node_p node;
149 struct ifqueue queue;
150 struct ifqueue hi_queue;
151 #else
152 struct ifnet *ifp;
153 #endif
154 short timeout;
155 struct callout timeout_handle;
156 struct cdev *devt;
157 ce_dma_mem_t dmamem;
158 } drv_t;
159
160 typedef struct _bdrv_t {
161 ce_board_t *board;
162 struct resource *ce_res;
163 struct resource *ce_irq;
164 void *ce_intrhand;
165 ce_dma_mem_t dmamem;
166 drv_t channel [NCHAN];
167 struct mtx ce_mtx;
168 } bdrv_t;
169
170 static driver_t ce_driver = {
171 "ce",
172 ce_methods,
173 sizeof(bdrv_t),
174 };
175
176 static devclass_t ce_devclass;
177
178 static void ce_receive (ce_chan_t *c, unsigned char *data, int len);
179 static void ce_transmit (ce_chan_t *c, void *attachment, int len);
180 static void ce_error (ce_chan_t *c, int data);
181 static void ce_up (drv_t *d);
182 static void ce_start (drv_t *d);
183 static void ce_down (drv_t *d);
184 static void ce_watchdog (drv_t *d);
185 static void ce_watchdog_timer (void *arg);
186 #ifdef NETGRAPH
187 extern struct ng_type typestruct;
188 #else
189 static void ce_ifstart (struct ifnet *ifp);
190 static void ce_tlf (struct sppp *sp);
191 static void ce_tls (struct sppp *sp);
192 static int ce_sioctl (struct ifnet *ifp, u_long cmd, caddr_t data);
193 static void ce_initialize (void *softc);
194 #endif
195
196 static ce_board_t *adapter [NBRD];
197 static drv_t *channel [NBRD*NCHAN];
198 static struct callout led_timo [NBRD];
199 static struct callout timeout_handle;
200
201 static int ce_destroy = 0;
202
203 static int ce_open (struct cdev *dev, int oflags, int devtype, struct thread *td);
204 static int ce_close (struct cdev *dev, int fflag, int devtype, struct thread *td);
205 static int ce_ioctl (struct cdev *dev, u_long cmd, caddr_t data, int flag, struct thread *td);
206 static struct cdevsw ce_cdevsw = {
207 .d_version = D_VERSION,
208 .d_open = ce_open,
209 .d_close = ce_close,
210 .d_ioctl = ce_ioctl,
211 .d_name = "ce",
212 };
213
214 /*
215 * Make an mbuf from data.
216 */
makembuf(void * buf,unsigned len)217 static struct mbuf *makembuf (void *buf, unsigned len)
218 {
219 struct mbuf *m;
220
221 MGETHDR (m, M_NOWAIT, MT_DATA);
222 if (! m)
223 return 0;
224 if (!(MCLGET(m, M_NOWAIT))) {
225 m_freem (m);
226 return 0;
227 }
228 m->m_pkthdr.len = m->m_len = len;
229 bcopy (buf, mtod (m, caddr_t), len);
230 return m;
231 }
232
ce_probe(device_t dev)233 static int ce_probe (device_t dev)
234 {
235 if ((pci_get_vendor (dev) == TAU32_PCI_VENDOR_ID) &&
236 (pci_get_device (dev) == TAU32_PCI_DEVICE_ID)) {
237 device_set_desc (dev, "Cronyx-Tau32-PCI serial adapter");
238 return BUS_PROBE_DEFAULT;
239 }
240 return ENXIO;
241 }
242
ce_timeout(void * arg)243 static void ce_timeout (void *arg)
244 {
245 drv_t *d;
246 int s, i, k;
247
248 for (i = 0; i < NBRD; ++i) {
249 if (adapter[i] == NULL)
250 continue;
251 for (k = 0; k < NCHAN; ++k) {
252 s = splimp ();
253 if (ce_destroy) {
254 splx (s);
255 return;
256 }
257 d = channel[i * NCHAN + k];
258 if (!d) {
259 splx (s);
260 continue;
261 }
262 CE_LOCK ((bdrv_t *)d->board->sys);
263 switch (d->chan->type) {
264 case T_E1:
265 ce_e1_timer (d->chan);
266 break;
267 default:
268 break;
269 }
270 CE_UNLOCK ((bdrv_t *)d->board->sys);
271 splx (s);
272 }
273 }
274 s = splimp ();
275 if (!ce_destroy)
276 callout_reset (&timeout_handle, hz, ce_timeout, 0);
277 splx (s);
278 }
279
ce_led_off(void * arg)280 static void ce_led_off (void *arg)
281 {
282 ce_board_t *b = arg;
283 bdrv_t *bd = (bdrv_t *) b->sys;
284 int s;
285 s = splimp ();
286 if (ce_destroy) {
287 splx (s);
288 return;
289 }
290 CE_LOCK (bd);
291 TAU32_LedSet (b->ddk.pControllerObject, 0);
292 CE_UNLOCK (bd);
293 splx (s);
294 }
295
ce_intr(void * arg)296 static void ce_intr (void *arg)
297 {
298 bdrv_t *bd = arg;
299 ce_board_t *b = bd->board;
300 int s;
301 int i;
302 #if __FreeBSD_version >= 500000 && defined NETGRAPH
303 int error;
304 #endif
305 s = splimp ();
306 if (ce_destroy) {
307 splx (s);
308 return;
309 }
310 CE_LOCK (bd);
311 /* Turn LED on. */
312 TAU32_LedSet (b->ddk.pControllerObject, 1);
313
314 TAU32_HandleInterrupt (b->ddk.pControllerObject);
315
316 /* Turn LED off 50 msec later. */
317 callout_reset (&led_timo[b->num], hz/20, ce_led_off, b);
318 CE_UNLOCK (bd);
319 splx (s);
320
321 /* Pass packets in a lock-free state */
322 for (i = 0; i < NCHAN && b->chan[i].type; i++) {
323 drv_t *d = b->chan[i].sys;
324 struct mbuf *m;
325 if (!d || !d->running)
326 continue;
327 while (_IF_QLEN(&d->rqueue)) {
328 IF_DEQUEUE (&d->rqueue,m);
329 if (!m)
330 continue;
331 #ifdef NETGRAPH
332 if (d->hook) {
333 NG_SEND_DATA_ONLY (error, d->hook, m);
334 } else {
335 IF_DRAIN (&d->rqueue);
336 }
337 #else
338 sppp_input (d->ifp, m);
339 #endif
340 }
341 }
342 }
343
344 static void
ce_bus_dmamap_addr(void * arg,bus_dma_segment_t * segs,int nseg,int error)345 ce_bus_dmamap_addr (void *arg, bus_dma_segment_t *segs, int nseg, int error)
346 {
347 unsigned long *addr;
348
349 if (error)
350 return;
351
352 KASSERT(nseg == 1, ("too many DMA segments, %d should be 1", nseg));
353 addr = arg;
354 *addr = segs->ds_addr;
355 }
356
357 #ifndef BUS_DMA_ZERO
358 #define BUS_DMA_ZERO 0
359 #endif
360
361 static int
ce_bus_dma_mem_alloc(int bnum,int cnum,ce_dma_mem_t * dmem)362 ce_bus_dma_mem_alloc (int bnum, int cnum, ce_dma_mem_t *dmem)
363 {
364 int error;
365
366 error = bus_dma_tag_create (NULL, 16, 0, BUS_SPACE_MAXADDR_32BIT,
367 BUS_SPACE_MAXADDR, NULL, NULL, dmem->size, 1,
368 dmem->size, 0,
369 NULL, NULL,
370 &dmem->dmat);
371 if (error) {
372 if (cnum >= 0) printf ("ce%d-%d: ", bnum, cnum);
373 else printf ("ce%d: ", bnum);
374 printf ("couldn't allocate tag for dma memory\n");
375 return 0;
376 }
377 error = bus_dmamem_alloc (dmem->dmat, (void **)&dmem->virt,
378 BUS_DMA_NOWAIT | BUS_DMA_ZERO, &dmem->mapp);
379 if (error) {
380 if (cnum >= 0) printf ("ce%d-%d: ", bnum, cnum);
381 else printf ("ce%d: ", bnum);
382 printf ("couldn't allocate mem for dma memory\n");
383 bus_dma_tag_destroy (dmem->dmat);
384 return 0;
385 }
386 error = bus_dmamap_load (dmem->dmat, dmem->mapp, dmem->virt,
387 dmem->size, ce_bus_dmamap_addr, &dmem->phys, 0);
388 if (error) {
389 if (cnum >= 0) printf ("ce%d-%d: ", bnum, cnum);
390 else printf ("ce%d: ", bnum);
391 printf ("couldn't load mem map for dma memory\n");
392 bus_dmamem_free (dmem->dmat, dmem->virt, dmem->mapp);
393 bus_dma_tag_destroy (dmem->dmat);
394 return 0;
395 }
396 bzero (dmem->virt, dmem->size);
397 return 1;
398 }
399
400 static void
ce_bus_dma_mem_free(ce_dma_mem_t * dmem)401 ce_bus_dma_mem_free (ce_dma_mem_t *dmem)
402 {
403 bus_dmamap_unload (dmem->dmat, dmem->mapp);
404 bus_dmamem_free (dmem->dmat, dmem->virt, dmem->mapp);
405 bus_dma_tag_destroy (dmem->dmat);
406 }
407
408 /*
409 * Called if the probe succeeded.
410 */
ce_attach(device_t dev)411 static int ce_attach (device_t dev)
412 {
413 bdrv_t *bd = device_get_softc (dev);
414 int unit = device_get_unit (dev);
415 char *ce_ln = CE_LOCK_NAME;
416 vm_offset_t vbase;
417 int rid, error;
418 ce_board_t *b;
419 ce_chan_t *c;
420 drv_t *d;
421 int s;
422
423 b = malloc (sizeof(ce_board_t), M_DEVBUF, M_WAITOK);
424 if (!b) {
425 printf ("ce%d: couldn't allocate memory\n", unit);
426 return (ENXIO);
427 }
428 bzero (b, sizeof(ce_board_t));
429
430 b->ddk.sys = &b;
431
432 pci_enable_busmaster (dev);
433
434 bd->dmamem.size = TAU32_ControllerObjectSize;
435 if (! ce_bus_dma_mem_alloc (unit, -1, &bd->dmamem)) {
436 free (b, M_DEVBUF);
437 return (ENXIO);
438 }
439 b->ddk.pControllerObject = bd->dmamem.virt;
440
441 bd->board = b;
442 b->sys = bd;
443 rid = PCIR_BAR(0);
444 bd->ce_res = bus_alloc_resource (dev, SYS_RES_MEMORY, &rid,
445 0, ~0, 1, RF_ACTIVE);
446 if (! bd->ce_res) {
447 printf ("ce%d: cannot map memory\n", unit);
448 ce_bus_dma_mem_free (&bd->dmamem);
449 free (b, M_DEVBUF);
450 return (ENXIO);
451 }
452 vbase = (vm_offset_t) rman_get_virtual (bd->ce_res);
453
454 b->ddk.PciBar1VirtualAddress = (void *)vbase;
455 b->ddk.ControllerObjectPhysicalAddress = bd->dmamem.phys;
456 b->ddk.pErrorNotifyCallback = ce_error_callback;
457 b->ddk.pStatusNotifyCallback = ce_status_callback;
458 b->num = unit;
459
460 TAU32_BeforeReset(&b->ddk);
461 pci_write_config (dev, TAU32_PCI_RESET_ADDRESS, TAU32_PCI_RESET_ON, 4);
462 pci_write_config (dev, TAU32_PCI_RESET_ADDRESS, TAU32_PCI_RESET_OFF, 4);
463
464 if(!TAU32_Initialize(&b->ddk, 0))
465 {
466 printf ("ce%d: init adapter error 0x%08x, bus dead bits 0x%08lx\n",
467 unit, b->ddk.InitErrors, b->ddk.DeadBits);
468 bus_release_resource (dev, SYS_RES_MEMORY, PCIR_BAR(0), bd->ce_res);
469 ce_bus_dma_mem_free (&bd->dmamem);
470 free (b, M_DEVBUF);
471 return (ENXIO);
472 }
473
474 s = splimp ();
475
476 ce_init_board (b);
477
478 rid = 0;
479 bd->ce_irq = bus_alloc_resource (dev, SYS_RES_IRQ, &rid, 0, ~0, 1,
480 RF_SHAREABLE | RF_ACTIVE);
481 if (! bd->ce_irq) {
482 printf ("ce%d: cannot map interrupt\n", unit);
483 bus_release_resource (dev, SYS_RES_MEMORY, PCIR_BAR(0), bd->ce_res);
484 ce_bus_dma_mem_free (&bd->dmamem);
485 free (b, M_DEVBUF);
486 splx (s);
487 return (ENXIO);
488 }
489 callout_init (&led_timo[unit], 1);
490 error = bus_setup_intr (dev, bd->ce_irq,
491 INTR_TYPE_NET|INTR_MPSAFE,
492 NULL, ce_intr, bd, &bd->ce_intrhand);
493 if (error) {
494 printf ("ce%d: cannot set up irq\n", unit);
495 bus_release_resource (dev, SYS_RES_IRQ, 0, bd->ce_irq);
496 bus_release_resource (dev, SYS_RES_MEMORY,
497 PCIR_BAR(0), bd->ce_res);
498 ce_bus_dma_mem_free (&bd->dmamem);
499 free (b, M_DEVBUF);
500 splx (s);
501 return (ENXIO);
502 }
503
504 switch (b->ddk.Model) {
505 case 1: strcpy (b->name, TAU32_BASE_NAME); break;
506 case 2: strcpy (b->name, TAU32_LITE_NAME); break;
507 case 3: strcpy (b->name, TAU32_ADPCM_NAME); break;
508 default: strcpy (b->name, TAU32_UNKNOWN_NAME); break;
509 }
510
511 printf ("ce%d: %s\n", unit, b->name);
512
513 for (c = b->chan; c < b->chan + NCHAN; ++c) {
514 c->num = (c - b->chan);
515 c->board = b;
516
517 d = &bd->channel[c->num];
518 d->dmamem.size = sizeof(ce_buf_t);
519 if (! ce_bus_dma_mem_alloc (unit, c->num, &d->dmamem))
520 continue;
521
522 channel [b->num * NCHAN + c->num] = d;
523 sprintf (d->name, "ce%d.%d", b->num, c->num);
524 d->board = b;
525 d->chan = c;
526 c->sys = d;
527 }
528
529 for (c = b->chan; c < b->chan + NCHAN; ++c) {
530 if (c->sys == NULL)
531 continue;
532 d = c->sys;
533
534 callout_init (&d->timeout_handle, 1);
535 #ifdef NETGRAPH
536 if (ng_make_node_common (&typestruct, &d->node) != 0) {
537 printf ("%s: cannot make common node\n", d->name);
538 d->node = NULL;
539 continue;
540 }
541 NG_NODE_SET_PRIVATE (d->node, d);
542 sprintf (d->nodename, "%s%d", NG_CE_NODE_TYPE,
543 c->board->num * NCHAN + c->num);
544 if (ng_name_node (d->node, d->nodename)) {
545 printf ("%s: cannot name node\n", d->nodename);
546 NG_NODE_UNREF (d->node);
547 continue;
548 }
549 d->queue.ifq_maxlen = ifqmaxlen;
550 d->hi_queue.ifq_maxlen = ifqmaxlen;
551 d->rqueue.ifq_maxlen = ifqmaxlen;
552 mtx_init (&d->queue.ifq_mtx, "ce_queue", NULL, MTX_DEF);
553 mtx_init (&d->hi_queue.ifq_mtx, "ce_queue_hi", NULL, MTX_DEF);
554 mtx_init (&d->rqueue.ifq_mtx, "ce_rqueue", NULL, MTX_DEF);
555 #else /*NETGRAPH*/
556 d->ifp = if_alloc(IFT_PPP);
557 if (!d->ifp) {
558 printf ("%s: cannot if_alloc() interface\n", d->name);
559 continue;
560 }
561 d->ifp->if_softc = d;
562 if_initname (d->ifp, "ce", b->num * NCHAN + c->num);
563 d->ifp->if_mtu = PP_MTU;
564 d->ifp->if_flags = IFF_POINTOPOINT | IFF_MULTICAST;
565 d->ifp->if_ioctl = ce_sioctl;
566 d->ifp->if_start = ce_ifstart;
567 d->ifp->if_init = ce_initialize;
568 d->rqueue.ifq_maxlen = ifqmaxlen;
569 mtx_init (&d->rqueue.ifq_mtx, "ce_rqueue", NULL, MTX_DEF);
570 sppp_attach (d->ifp);
571 if_attach (d->ifp);
572 IFP2SP(d->ifp)->pp_tlf = ce_tlf;
573 IFP2SP(d->ifp)->pp_tls = ce_tls;
574 /* If BPF is in the kernel, call the attach for it.
575 * The header size of PPP or Cisco/HDLC is 4 bytes. */
576 bpfattach (d->ifp, DLT_PPP, 4);
577 #endif /*NETGRAPH*/
578 ce_start_chan (c, 1, 1, d->dmamem.virt, d->dmamem.phys);
579
580 /* Register callback functions. */
581 ce_register_transmit (c, &ce_transmit);
582 ce_register_receive (c, &ce_receive);
583 ce_register_error (c, &ce_error);
584 d->devt = make_dev (&ce_cdevsw, b->num*NCHAN+c->num, UID_ROOT,
585 GID_WHEEL, 0600, "ce%d", b->num*NCHAN+c->num);
586 }
587
588 ce_ln[2] = '0' + unit;
589 mtx_init (&bd->ce_mtx, ce_ln, MTX_NETWORK_LOCK, MTX_DEF|MTX_RECURSE);
590 CE_LOCK (bd);
591 TAU32_EnableInterrupts(b->ddk.pControllerObject);
592 adapter[unit] = b;
593 CE_UNLOCK (bd);
594 splx (s);
595
596 gone_in_dev(dev, 14, "sync serial (T1/E1) drivers");
597 return 0;
598 }
599
ce_detach(device_t dev)600 static int ce_detach (device_t dev)
601 {
602 bdrv_t *bd = device_get_softc (dev);
603 ce_board_t *b = bd->board;
604 ce_chan_t *c;
605 int s;
606
607 KASSERT (mtx_initialized (&bd->ce_mtx), ("ce mutex not initialized"));
608 s = splimp ();
609 CE_LOCK (bd);
610 /* Check if the device is busy (open). */
611 for (c = b->chan; c < b->chan + NCHAN; ++c) {
612 drv_t *d = (drv_t*) c->sys;
613
614 /* XXX Non existen chan! */
615 if (! d || ! d->chan)
616 continue;
617 if (d->running) {
618 CE_UNLOCK (bd);
619 splx (s);
620 return EBUSY;
621 }
622 }
623
624 /* Ok, we can unload driver */
625 /* At first we should disable interrupts */
626 ce_destroy = 1;
627 TAU32_DisableInterrupts(b->ddk.pControllerObject);
628
629 callout_stop (&led_timo[b->num]);
630
631 for (c = b->chan; c < b->chan + NCHAN; ++c) {
632 drv_t *d = (drv_t*) c->sys;
633
634 if (! d || ! d->chan)
635 continue;
636 callout_stop (&d->timeout_handle);
637 #ifndef NETGRAPH
638 /* Detach from the packet filter list of interfaces. */
639 bpfdetach (d->ifp);
640
641 /* Detach from the sync PPP list. */
642 sppp_detach (d->ifp);
643
644 /* Detach from the system list of interfaces. */
645 if_detach (d->ifp);
646 if_free(d->ifp);
647
648 IF_DRAIN (&d->rqueue);
649 mtx_destroy (&d->rqueue.ifq_mtx);
650 #else
651 if (d->node) {
652 ng_rmnode_self (d->node);
653 NG_NODE_UNREF (d->node);
654 d->node = NULL;
655 }
656 IF_DRAIN (&d->rqueue);
657 mtx_destroy (&d->queue.ifq_mtx);
658 mtx_destroy (&d->hi_queue.ifq_mtx);
659 mtx_destroy (&d->rqueue.ifq_mtx);
660 #endif
661 destroy_dev (d->devt);
662 }
663
664 CE_UNLOCK (bd);
665 splx (s);
666
667 callout_drain (&led_timo[b->num]);
668
669 /* Disable the interrupt request. */
670 bus_teardown_intr (dev, bd->ce_irq, bd->ce_intrhand);
671 bus_release_resource (dev, SYS_RES_IRQ, 0, bd->ce_irq);
672 TAU32_DestructiveHalt (b->ddk.pControllerObject, 0);
673 bus_release_resource (dev, SYS_RES_MEMORY, PCIR_BAR(0), bd->ce_res);
674
675 for (c = b->chan; c < b->chan + NCHAN; ++c) {
676 drv_t *d = (drv_t*) c->sys;
677
678 if (! d || ! d->chan)
679 continue;
680 callout_drain (&d->timeout_handle);
681 channel [b->num * NCHAN + c->num] = NULL;
682 /* Deallocate buffers. */
683 ce_bus_dma_mem_free (&d->dmamem);
684 }
685 adapter [b->num] = NULL;
686 ce_bus_dma_mem_free (&bd->dmamem);
687 free (b, M_DEVBUF);
688 mtx_destroy (&bd->ce_mtx);
689 return 0;
690 }
691
692 #ifndef NETGRAPH
ce_ifstart(struct ifnet * ifp)693 static void ce_ifstart (struct ifnet *ifp)
694 {
695 drv_t *d = ifp->if_softc;
696 bdrv_t *bd = d->board->sys;
697
698 CE_LOCK (bd);
699 ce_start (d);
700 CE_UNLOCK (bd);
701 }
702
ce_tlf(struct sppp * sp)703 static void ce_tlf (struct sppp *sp)
704 {
705 drv_t *d = SP2IFP(sp)->if_softc;
706
707 CE_DEBUG2 (d, ("ce_tlf\n"));
708 sp->pp_down (sp);
709 }
710
ce_tls(struct sppp * sp)711 static void ce_tls (struct sppp *sp)
712 {
713 drv_t *d = SP2IFP(sp)->if_softc;
714
715 CE_DEBUG2 (d, ("ce_tls\n"));
716 sp->pp_up (sp);
717 }
718
719 /*
720 * Process an ioctl request.
721 */
ce_sioctl(struct ifnet * ifp,u_long cmd,caddr_t data)722 static int ce_sioctl (struct ifnet *ifp, u_long cmd, caddr_t data)
723 {
724 drv_t *d = ifp->if_softc;
725 bdrv_t *bd = d->board->sys;
726 int error, s, was_up, should_be_up;
727
728 was_up = (ifp->if_drv_flags & IFF_DRV_RUNNING) != 0;
729 error = sppp_ioctl (ifp, cmd, data);
730
731 if (error)
732 return error;
733
734 if (! (ifp->if_flags & IFF_DEBUG))
735 d->chan->debug = 0;
736 else
737 d->chan->debug = d->chan->debug_shadow;
738
739 switch (cmd) {
740 default: CE_DEBUG2 (d, ("ioctl 0x%lx\n", cmd)); return 0;
741 case SIOCADDMULTI: CE_DEBUG2 (d, ("ioctl SIOCADDMULTI\n")); return 0;
742 case SIOCDELMULTI: CE_DEBUG2 (d, ("ioctl SIOCDELMULTI\n")); return 0;
743 case SIOCSIFFLAGS: CE_DEBUG2 (d, ("ioctl SIOCSIFFLAGS\n")); break;
744 case SIOCSIFADDR: CE_DEBUG2 (d, ("ioctl SIOCSIFADDR\n")); break;
745 }
746
747 /* We get here only in case of SIFFLAGS or SIFADDR. */
748 s = splimp ();
749 CE_LOCK (bd);
750 should_be_up = (ifp->if_drv_flags & IFF_DRV_RUNNING) != 0;
751 if (! was_up && should_be_up) {
752 /* Interface goes up -- start it. */
753 ce_up (d);
754 ce_start (d);
755 } else if (was_up && ! should_be_up) {
756 /* Interface is going down -- stop it. */
757 /* if ((IFP2SP(ifp)->pp_flags & PP_FR) || (ifp->if_flags & PP_CISCO))*/
758 ce_down (d);
759 }
760 CE_DEBUG (d, ("ioctl 0x%lx p4\n", cmd));
761 CE_UNLOCK (bd);
762 splx (s);
763 return 0;
764 }
765
766 /*
767 * Initialization of interface.
768 * It seems to be never called by upper level?
769 */
ce_initialize(void * softc)770 static void ce_initialize (void *softc)
771 {
772 drv_t *d = softc;
773
774 CE_DEBUG (d, ("ce_initialize\n"));
775 }
776 #endif /*NETGRAPH*/
777
778 /*
779 * Stop the interface. Called on splimp().
780 */
ce_down(drv_t * d)781 static void ce_down (drv_t *d)
782 {
783 CE_DEBUG (d, ("ce_down\n"));
784 /* Interface is going down -- stop it. */
785 ce_set_dtr (d->chan, 0);
786 ce_set_rts (d->chan, 0);
787
788 d->running = 0;
789 callout_stop (&d->timeout_handle);
790 }
791
792 /*
793 * Start the interface. Called on splimp().
794 */
ce_up(drv_t * d)795 static void ce_up (drv_t *d)
796 {
797 CE_DEBUG (d, ("ce_up\n"));
798 ce_set_dtr (d->chan, 1);
799 ce_set_rts (d->chan, 1);
800
801 d->running = 1;
802 }
803
804 /*
805 * Start output on the interface. Get another datagram to send
806 * off of the interface queue, and copy it to the interface
807 * before starting the output.
808 */
ce_send(drv_t * d)809 static void ce_send (drv_t *d)
810 {
811 struct mbuf *m;
812 u_short len;
813
814 CE_DEBUG2 (d, ("ce_send\n"));
815
816 /* No output if the interface is down. */
817 if (! d->running)
818 return;
819
820 while (ce_transmit_space (d->chan)) {
821 /* Get the packet to send. */
822 #ifdef NETGRAPH
823 IF_DEQUEUE (&d->hi_queue, m);
824 if (! m)
825 IF_DEQUEUE (&d->queue, m);
826 #else
827 m = sppp_dequeue (d->ifp);
828 #endif
829 if (! m)
830 return;
831 #ifndef NETGRAPH
832 BPF_MTAP (d->ifp, m);
833 #endif
834 len = m_length (m, NULL);
835 if (len >= BUFSZ)
836 printf ("%s: too long packet: %d bytes: ",
837 d->name, len);
838 else if (! m->m_next)
839 ce_send_packet (d->chan, (u_char*) mtod (m, caddr_t), len, 0);
840 else {
841 ce_buf_item_t *item = (ce_buf_item_t*)d->chan->tx_queue;
842 m_copydata (m, 0, len, item->buf);
843 ce_send_packet (d->chan, item->buf, len, 0);
844 }
845 m_freem (m);
846 /* Set up transmit timeout, if the transmit ring is not empty.*/
847 d->timeout = 10;
848 }
849 #ifndef NETGRAPH
850 d->ifp->if_flags |= IFF_DRV_OACTIVE;
851 #endif
852 }
853
854 /*
855 * Start output on the interface.
856 * Always called on splimp().
857 */
ce_start(drv_t * d)858 static void ce_start (drv_t *d)
859 {
860 if (d->running) {
861 if (! d->chan->dtr)
862 ce_set_dtr (d->chan, 1);
863 if (! d->chan->rts)
864 ce_set_rts (d->chan, 1);
865 ce_send (d);
866 callout_reset (&d->timeout_handle, hz, ce_watchdog_timer, d);
867 }
868 }
869
870 /*
871 * Handle transmit timeouts.
872 * Recover after lost transmit interrupts.
873 * Always called on splimp().
874 */
ce_watchdog(drv_t * d)875 static void ce_watchdog (drv_t *d)
876 {
877 CE_DEBUG (d, ("device timeout\n"));
878 if (d->running) {
879 ce_set_dtr (d->chan, 0);
880 ce_set_rts (d->chan, 0);
881 /* ce_stop_chan (d->chan);*/
882 /* ce_start_chan (d->chan, 1, 1, 0, 0);*/
883 ce_set_dtr (d->chan, 1);
884 ce_set_rts (d->chan, 1);
885 ce_start (d);
886 }
887 }
888
ce_watchdog_timer(void * arg)889 static void ce_watchdog_timer (void *arg)
890 {
891 drv_t *d = arg;
892 bdrv_t *bd = d->board->sys;
893
894 CE_LOCK(bd);
895 if (d->timeout == 1)
896 ce_watchdog (d);
897 if (d->timeout)
898 d->timeout--;
899 callout_reset (&d->timeout_handle, hz, ce_watchdog_timer, d);
900 CE_UNLOCK(bd);
901 }
902
ce_transmit(ce_chan_t * c,void * attachment,int len)903 static void ce_transmit (ce_chan_t *c, void *attachment, int len)
904 {
905 drv_t *d = c->sys;
906
907 d->timeout = 0;
908 #ifndef NETGRAPH
909 if_inc_counter(d->ifp, IFCOUNTER_OPACKETS, 1);
910 d->ifp->if_flags &= ~IFF_DRV_OACTIVE;
911 #endif
912 ce_start (d);
913 }
914
ce_receive(ce_chan_t * c,unsigned char * data,int len)915 static void ce_receive (ce_chan_t *c, unsigned char *data, int len)
916 {
917 drv_t *d = c->sys;
918 struct mbuf *m;
919
920 if (! d->running)
921 return;
922
923 m = makembuf (data, len);
924 if (! m) {
925 CE_DEBUG (d, ("no memory for packet\n"));
926 #ifndef NETGRAPH
927 if_inc_counter(d->ifp, IFCOUNTER_IQDROPS, 1);
928 #endif
929 return;
930 }
931 if (c->debug > 1)
932 m_print (m, 0);
933 #ifdef NETGRAPH
934 m->m_pkthdr.rcvif = 0;
935 IF_ENQUEUE(&d->rqueue, m);
936 #else
937 if_inc_counter(d->ifp, IFCOUNTER_IPACKETS, 1);
938 m->m_pkthdr.rcvif = d->ifp;
939 /* Check if there's a BPF listener on this interface.
940 * If so, hand off the raw packet to bpf. */
941 BPF_MTAP(d->ifp, m);
942 IF_ENQUEUE(&d->rqueue, m);
943 #endif
944 }
945
ce_error(ce_chan_t * c,int data)946 static void ce_error (ce_chan_t *c, int data)
947 {
948 drv_t *d = c->sys;
949
950 switch (data) {
951 case CE_FRAME:
952 CE_DEBUG (d, ("frame error\n"));
953 #ifndef NETGRAPH
954 if_inc_counter(d->ifp, IFCOUNTER_IERRORS, 1);
955 #endif
956 break;
957 case CE_CRC:
958 CE_DEBUG (d, ("crc error\n"));
959 #ifndef NETGRAPH
960 if_inc_counter(d->ifp, IFCOUNTER_IERRORS, 1);
961 #endif
962 break;
963 case CE_OVERRUN:
964 CE_DEBUG (d, ("overrun error\n"));
965 #ifndef NETGRAPH
966 if_inc_counter(d->ifp, IFCOUNTER_COLLISIONS, 1);
967 if_inc_counter(d->ifp, IFCOUNTER_IERRORS, 1);
968 #endif
969 break;
970 case CE_OVERFLOW:
971 CE_DEBUG (d, ("overflow error\n"));
972 #ifndef NETGRAPH
973 if_inc_counter(d->ifp, IFCOUNTER_IERRORS, 1);
974 #endif
975 break;
976 case CE_UNDERRUN:
977 CE_DEBUG (d, ("underrun error\n"));
978 d->timeout = 0;
979 #ifndef NETGRAPH
980 if_inc_counter(d->ifp, IFCOUNTER_OERRORS, 1);
981 d->ifp->if_flags &= ~IFF_DRV_OACTIVE;
982 #endif
983 ce_start (d);
984 break;
985 default:
986 CE_DEBUG (d, ("error #%d\n", data));
987 break;
988 }
989 }
990
991 /*
992 * You also need read, write, open, close routines.
993 * This should get you started
994 */
ce_open(struct cdev * dev,int oflags,int devtype,struct thread * td)995 static int ce_open (struct cdev *dev, int oflags, int devtype, struct thread *td)
996 {
997 int unit = dev2unit (dev);
998 drv_t *d;
999
1000 if (unit >= NBRD*NCHAN || ! (d = channel[unit]))
1001 return ENXIO;
1002 CE_DEBUG2 (d, ("ce_open\n"));
1003 return 0;
1004 }
1005
1006 /*
1007 * Only called on the LAST close.
1008 */
ce_close(struct cdev * dev,int fflag,int devtype,struct thread * td)1009 static int ce_close (struct cdev *dev, int fflag, int devtype, struct thread *td)
1010 {
1011 drv_t *d = channel [dev2unit (dev)];
1012
1013 CE_DEBUG2 (d, ("ce_close\n"));
1014 return 0;
1015 }
1016
ce_modem_status(ce_chan_t * c)1017 static int ce_modem_status (ce_chan_t *c)
1018 {
1019 drv_t *d = c->sys;
1020 bdrv_t *bd = d->board->sys;
1021 int status, s;
1022
1023 status = d->running ? TIOCM_LE : 0;
1024 s = splimp ();
1025 CE_LOCK (bd);
1026 if (ce_get_cd (c)) status |= TIOCM_CD;
1027 if (ce_get_cts (c)) status |= TIOCM_CTS;
1028 if (ce_get_dsr (c)) status |= TIOCM_DSR;
1029 if (c->dtr) status |= TIOCM_DTR;
1030 if (c->rts) status |= TIOCM_RTS;
1031 CE_UNLOCK (bd);
1032 splx (s);
1033 return status;
1034 }
1035
ce_ioctl(struct cdev * dev,u_long cmd,caddr_t data,int flag,struct thread * td)1036 static int ce_ioctl (struct cdev *dev, u_long cmd, caddr_t data, int flag, struct thread *td)
1037 {
1038 drv_t *d = channel [dev2unit (dev)];
1039 bdrv_t *bd = d->board->sys;
1040 ce_chan_t *c = d->chan;
1041 struct serial_statistics *st;
1042 struct e1_statistics *opte1;
1043 int error, s;
1044 char mask[16];
1045
1046 switch (cmd) {
1047 case SERIAL_GETREGISTERED:
1048 CE_DEBUG2 (d, ("ioctl: getregistered\n"));
1049 bzero (mask, sizeof(mask));
1050 for (s=0; s<NBRD*NCHAN; ++s)
1051 if (channel [s])
1052 mask [s/8] |= 1 << (s & 7);
1053 bcopy (mask, data, sizeof (mask));
1054 return 0;
1055
1056 #ifndef NETGRAPH
1057 case SERIAL_GETPROTO:
1058 CE_DEBUG2 (d, ("ioctl: getproto\n"));
1059 strcpy ((char*)data, (IFP2SP(d->ifp)->pp_flags & PP_FR) ? "fr" :
1060 (d->ifp->if_flags & PP_CISCO) ? "cisco" : "ppp");
1061 return 0;
1062
1063 case SERIAL_SETPROTO:
1064 CE_DEBUG2 (d, ("ioctl: setproto\n"));
1065 /* Only for superuser! */
1066 error = priv_check (td, PRIV_DRIVER);
1067 if (error)
1068 return error;
1069 if (d->ifp->if_flags & IFF_DRV_RUNNING)
1070 return EBUSY;
1071 if (! strcmp ("cisco", (char*)data)) {
1072 IFP2SP(d->ifp)->pp_flags &= ~(PP_FR);
1073 IFP2SP(d->ifp)->pp_flags |= PP_KEEPALIVE;
1074 d->ifp->if_flags |= PP_CISCO;
1075 #if PP_FR != 0
1076 } else if (! strcmp ("fr", (char*)data)) {
1077 d->ifp->if_flags &= ~(PP_CISCO);
1078 IFP2SP(d->ifp)->pp_flags |= PP_FR | PP_KEEPALIVE;
1079 #endif
1080 } else if (! strcmp ("ppp", (char*)data)) {
1081 IFP2SP(d->ifp)->pp_flags &= ~PP_FR;
1082 IFP2SP(d->ifp)->pp_flags &= ~PP_KEEPALIVE;
1083 d->ifp->if_flags &= ~(PP_CISCO);
1084 } else
1085 return EINVAL;
1086 return 0;
1087
1088 case SERIAL_GETKEEPALIVE:
1089 CE_DEBUG2 (d, ("ioctl: getkeepalive\n"));
1090 if ((IFP2SP(d->ifp)->pp_flags & PP_FR) ||
1091 (d->ifp->if_flags & PP_CISCO))
1092 return EINVAL;
1093 *(int*)data = (IFP2SP(d->ifp)->pp_flags & PP_KEEPALIVE) ? 1 : 0;
1094 return 0;
1095
1096 case SERIAL_SETKEEPALIVE:
1097 CE_DEBUG2 (d, ("ioctl: setkeepalive\n"));
1098 /* Only for superuser! */
1099 error = priv_check (td, PRIV_DRIVER);
1100 if (error)
1101 return error;
1102 if ((IFP2SP(d->ifp)->pp_flags & PP_FR) ||
1103 (d->ifp->if_flags & PP_CISCO))
1104 return EINVAL;
1105 s = splimp ();
1106 CE_LOCK (bd);
1107 if (*(int*)data)
1108 IFP2SP(d->ifp)->pp_flags |= PP_KEEPALIVE;
1109 else
1110 IFP2SP(d->ifp)->pp_flags &= ~PP_KEEPALIVE;
1111 CE_UNLOCK (bd);
1112 splx (s);
1113 return 0;
1114 #endif /*NETGRAPH*/
1115
1116 case SERIAL_GETMODE:
1117 CE_DEBUG2 (d, ("ioctl: getmode\n"));
1118 *(int*)data = SERIAL_HDLC;
1119 return 0;
1120
1121 case SERIAL_SETMODE:
1122 /* Only for superuser! */
1123 error = priv_check (td, PRIV_DRIVER);
1124 if (error)
1125 return error;
1126 if (*(int*)data != SERIAL_HDLC)
1127 return EINVAL;
1128 return 0;
1129
1130 case SERIAL_GETCFG:
1131 CE_DEBUG2 (d, ("ioctl: getcfg\n"));
1132 *(char*)data = 'c';
1133 return 0;
1134
1135 case SERIAL_SETCFG:
1136 CE_DEBUG2 (d, ("ioctl: setcfg\n"));
1137 error = priv_check (td, PRIV_DRIVER);
1138 if (error)
1139 return error;
1140 if (*((char*)data) != 'c')
1141 return EINVAL;
1142 return 0;
1143
1144 case SERIAL_GETSTAT:
1145 CE_DEBUG2 (d, ("ioctl: getstat\n"));
1146 st = (struct serial_statistics*) data;
1147 st->rintr = c->rintr;
1148 st->tintr = c->tintr;
1149 st->mintr = 0;
1150 st->ibytes = c->ibytes;
1151 st->ipkts = c->ipkts;
1152 st->obytes = c->obytes;
1153 st->opkts = c->opkts;
1154 st->ierrs = c->overrun + c->frame + c->crc;
1155 st->oerrs = c->underrun;
1156 return 0;
1157
1158 case SERIAL_GETESTAT:
1159 CE_DEBUG2 (d, ("ioctl: getestat\n"));
1160 if (c->type != T_E1)
1161 return EINVAL;
1162 opte1 = (struct e1_statistics*) data;
1163
1164 opte1->status = 0;
1165 if (c->status & ESTS_NOALARM)
1166 opte1->status |= E1_NOALARM;
1167 if (c->status & ESTS_LOS)
1168 opte1->status |= E1_LOS;
1169 if (c->status & ESTS_LOF)
1170 opte1->status |= E1_LOF;
1171 if (c->status & ESTS_AIS)
1172 opte1->status |= E1_AIS;
1173 if (c->status & ESTS_LOMF)
1174 opte1->status |= E1_LOMF;
1175 if (c->status & ESTS_AIS16)
1176 opte1->status |= E1_AIS16;
1177 if (c->status & ESTS_FARLOF)
1178 opte1->status |= E1_FARLOF;
1179 if (c->status & ESTS_FARLOMF)
1180 opte1->status |= E1_FARLOMF;
1181 if (c->status & ESTS_TSTREQ)
1182 opte1->status |= E1_TSTREQ;
1183 if (c->status & ESTS_TSTERR)
1184 opte1->status |= E1_TSTERR;
1185
1186 opte1->cursec = c->cursec;
1187 opte1->totsec = c->totsec + c->cursec;
1188
1189 opte1->currnt.bpv = c->currnt.bpv;
1190 opte1->currnt.fse = c->currnt.fse;
1191 opte1->currnt.crce = c->currnt.crce;
1192 opte1->currnt.rcrce = c->currnt.rcrce;
1193 opte1->currnt.uas = c->currnt.uas;
1194 opte1->currnt.les = c->currnt.les;
1195 opte1->currnt.es = c->currnt.es;
1196 opte1->currnt.bes = c->currnt.bes;
1197 opte1->currnt.ses = c->currnt.ses;
1198 opte1->currnt.oofs = c->currnt.oofs;
1199 opte1->currnt.css = c->currnt.css;
1200 opte1->currnt.dm = c->currnt.dm;
1201
1202 opte1->total.bpv = c->total.bpv + c->currnt.bpv;
1203 opte1->total.fse = c->total.fse + c->currnt.fse;
1204 opte1->total.crce = c->total.crce + c->currnt.crce;
1205 opte1->total.rcrce = c->total.rcrce + c->currnt.rcrce;
1206 opte1->total.uas = c->total.uas + c->currnt.uas;
1207 opte1->total.les = c->total.les + c->currnt.les;
1208 opte1->total.es = c->total.es + c->currnt.es;
1209 opte1->total.bes = c->total.bes + c->currnt.bes;
1210 opte1->total.ses = c->total.ses + c->currnt.ses;
1211 opte1->total.oofs = c->total.oofs + c->currnt.oofs;
1212 opte1->total.css = c->total.css + c->currnt.css;
1213 opte1->total.dm = c->total.dm + c->currnt.dm;
1214 for (s=0; s<48; ++s) {
1215 opte1->interval[s].bpv = c->interval[s].bpv;
1216 opte1->interval[s].fse = c->interval[s].fse;
1217 opte1->interval[s].crce = c->interval[s].crce;
1218 opte1->interval[s].rcrce = c->interval[s].rcrce;
1219 opte1->interval[s].uas = c->interval[s].uas;
1220 opte1->interval[s].les = c->interval[s].les;
1221 opte1->interval[s].es = c->interval[s].es;
1222 opte1->interval[s].bes = c->interval[s].bes;
1223 opte1->interval[s].ses = c->interval[s].ses;
1224 opte1->interval[s].oofs = c->interval[s].oofs;
1225 opte1->interval[s].css = c->interval[s].css;
1226 opte1->interval[s].dm = c->interval[s].dm;
1227 }
1228 return 0;
1229
1230 case SERIAL_CLRSTAT:
1231 CE_DEBUG2 (d, ("ioctl: clrstat\n"));
1232 /* Only for superuser! */
1233 error = priv_check (td, PRIV_DRIVER);
1234 if (error)
1235 return error;
1236 c->rintr = 0;
1237 c->tintr = 0;
1238 c->ibytes = 0;
1239 c->obytes = 0;
1240 c->ipkts = 0;
1241 c->opkts = 0;
1242 c->overrun = 0;
1243 c->frame = 0;
1244 c->crc = 0;
1245 c->underrun = 0;
1246 bzero (&c->currnt, sizeof (c->currnt));
1247 bzero (&c->total, sizeof (c->total));
1248 bzero (c->interval, sizeof (c->interval));
1249 return 0;
1250
1251 case SERIAL_GETLOOP:
1252 CE_DEBUG2 (d, ("ioctl: getloop\n"));
1253 if (c->type != T_E1)
1254 return EINVAL;
1255 *(int*)data = c->lloop;
1256 return 0;
1257
1258 case SERIAL_SETLOOP:
1259 CE_DEBUG2 (d, ("ioctl: setloop\n"));
1260 if (c->type != T_E1)
1261 return EINVAL;
1262 /* Only for superuser! */
1263 error = priv_check (td, PRIV_DRIVER);
1264 if (error)
1265 return error;
1266 s = splimp ();
1267 CE_LOCK (bd);
1268 ce_set_lloop (c, *(int*)data);
1269 CE_UNLOCK (bd);
1270 splx (s);
1271 return 0;
1272
1273 case SERIAL_GETRLOOP:
1274 CE_DEBUG2 (d, ("ioctl: getrloop\n"));
1275 if (c->type != T_E1)
1276 return EINVAL;
1277 *(int*)data = c->rloop;
1278 return 0;
1279
1280 case SERIAL_SETRLOOP:
1281 CE_DEBUG2 (d, ("ioctl: setloop\n"));
1282 if (c->type != T_E1)
1283 return EINVAL;
1284 /* Only for superuser! */
1285 error = priv_check (td, PRIV_DRIVER);
1286 if (error)
1287 return error;
1288 s = splimp ();
1289 CE_LOCK (bd);
1290 ce_set_rloop (c, *(int*)data);
1291 CE_UNLOCK (bd);
1292 splx (s);
1293 return 0;
1294
1295 case SERIAL_GETDEBUG:
1296 CE_DEBUG2 (d, ("ioctl: getdebug\n"));
1297 *(int*)data = d->chan->debug;
1298 return 0;
1299
1300 case SERIAL_SETDEBUG:
1301 CE_DEBUG2 (d, ("ioctl: setdebug\n"));
1302 /* Only for superuser! */
1303 error = priv_check (td, PRIV_DRIVER);
1304 if (error)
1305 return error;
1306 #ifndef NETGRAPH
1307 /*
1308 * The debug_shadow is always greater than zero for logic
1309 * simplicity. For switching debug off the IFF_DEBUG is
1310 * responsible.
1311 */
1312 d->chan->debug_shadow = (*(int*)data) ? (*(int*)data) : 1;
1313 if (d->ifp->if_flags & IFF_DEBUG)
1314 d->chan->debug = d->chan->debug_shadow;
1315 #else
1316 d->chan->debug = *(int*)data;
1317 #endif
1318 return 0;
1319
1320 case SERIAL_GETBAUD:
1321 CE_DEBUG2 (d, ("ioctl: getbaud\n"));
1322 *(long*)data = c->baud;
1323 return 0;
1324
1325 case SERIAL_SETBAUD:
1326 CE_DEBUG2 (d, ("ioctl: setbaud\n"));
1327 if (c->type != T_E1 || !c->unfram)
1328 return EINVAL;
1329 /* Only for superuser! */
1330 error = priv_check (td, PRIV_DRIVER);
1331 if (error)
1332 return error;
1333 s = splimp ();
1334 CE_LOCK (bd);
1335 ce_set_baud (c, *(long*)data);
1336 CE_UNLOCK (bd);
1337 splx (s);
1338 return 0;
1339
1340 case SERIAL_GETTIMESLOTS:
1341 CE_DEBUG2 (d, ("ioctl: gettimeslots\n"));
1342 if ((c->type != T_E1 || c->unfram) && c->type != T_DATA)
1343 return EINVAL;
1344 *(u_long*)data = c->ts;
1345 return 0;
1346
1347 case SERIAL_SETTIMESLOTS:
1348 CE_DEBUG2 (d, ("ioctl: settimeslots\n"));
1349 /* Only for superuser! */
1350 error = priv_check (td, PRIV_DRIVER);
1351 if (error)
1352 return error;
1353 if ((c->type != T_E1 || c->unfram) && c->type != T_DATA)
1354 return EINVAL;
1355 s = splimp ();
1356 CE_LOCK (bd);
1357 ce_set_ts (c, *(u_long*)data);
1358 CE_UNLOCK (bd);
1359 splx (s);
1360 return 0;
1361
1362 case SERIAL_GETHIGAIN:
1363 CE_DEBUG2 (d, ("ioctl: gethigain\n"));
1364 if (c->type != T_E1)
1365 return EINVAL;
1366 *(int*)data = c->higain;
1367 return 0;
1368
1369 case SERIAL_SETHIGAIN:
1370 CE_DEBUG2 (d, ("ioctl: sethigain\n"));
1371 if (c->type != T_E1)
1372 return EINVAL;
1373 /* Only for superuser! */
1374 error = priv_check (td, PRIV_DRIVER);
1375 if (error)
1376 return error;
1377 s = splimp ();
1378 CE_LOCK (bd);
1379 ce_set_higain (c, *(int*)data);
1380 CE_UNLOCK (bd);
1381 splx (s);
1382 return 0;
1383
1384 case SERIAL_GETPHONY:
1385 CE_DEBUG2 (d, ("ioctl: getphony\n"));
1386 *(int*)data = c->phony;
1387 return 0;
1388
1389 case SERIAL_SETPHONY:
1390 CE_DEBUG2 (d, ("ioctl: setphony\n"));
1391 /* Only for superuser! */
1392 error = priv_check (td, PRIV_DRIVER);
1393 if (error)
1394 return error;
1395 s = splimp ();
1396 CE_LOCK (bd);
1397 ce_set_phony (c, *(int*)data);
1398 CE_UNLOCK (bd);
1399 splx (s);
1400 return 0;
1401
1402 case SERIAL_GETUNFRAM:
1403 CE_DEBUG2 (d, ("ioctl: getunfram\n"));
1404 if (c->type != T_E1 || c->num != 0)
1405 return EINVAL;
1406 *(int*)data = c->unfram;
1407 return 0;
1408
1409 case SERIAL_SETUNFRAM:
1410 CE_DEBUG2 (d, ("ioctl: setunfram\n"));
1411 if (c->type != T_E1 || c->num != 0)
1412 return EINVAL;
1413 /* Only for superuser! */
1414 error = priv_check (td, PRIV_DRIVER);
1415 if (error)
1416 return error;
1417 s = splimp ();
1418 CE_LOCK (bd);
1419 ce_set_unfram (c, *(int*)data);
1420 CE_UNLOCK (bd);
1421 splx (s);
1422 return 0;
1423
1424 case SERIAL_GETSCRAMBLER:
1425 CE_DEBUG2 (d, ("ioctl: getscrambler\n"));
1426 if (!c->unfram)
1427 return EINVAL;
1428 *(int*)data = c->scrambler;
1429 return 0;
1430
1431 case SERIAL_SETSCRAMBLER:
1432 CE_DEBUG2 (d, ("ioctl: setscrambler\n"));
1433 /* Only for superuser! */
1434 error = priv_check (td, PRIV_DRIVER);
1435 if (error)
1436 return error;
1437 if (!c->unfram)
1438 return EINVAL;
1439 s = splimp ();
1440 CE_LOCK (bd);
1441 ce_set_scrambler (c, *(int*)data);
1442 CE_UNLOCK (bd);
1443 splx (s);
1444 return 0;
1445
1446 case SERIAL_GETMONITOR:
1447 CE_DEBUG2 (d, ("ioctl: getmonitor\n"));
1448 if (c->type != T_E1)
1449 return EINVAL;
1450 *(int*)data = c->monitor;
1451 return 0;
1452
1453 case SERIAL_SETMONITOR:
1454 CE_DEBUG2 (d, ("ioctl: setmonitor\n"));
1455 /* Only for superuser! */
1456 error = priv_check (td, PRIV_DRIVER);
1457 if (error)
1458 return error;
1459 if (c->type != T_E1)
1460 return EINVAL;
1461 s = splimp ();
1462 CE_LOCK (bd);
1463 ce_set_monitor (c, *(int*)data);
1464 CE_UNLOCK (bd);
1465 splx (s);
1466 return 0;
1467
1468 case SERIAL_GETUSE16:
1469 CE_DEBUG2 (d, ("ioctl: getuse16\n"));
1470 if (c->type != T_E1 || c->unfram)
1471 return EINVAL;
1472 *(int*)data = c->use16;
1473 return 0;
1474
1475 case SERIAL_SETUSE16:
1476 CE_DEBUG2 (d, ("ioctl: setuse16\n"));
1477 /* Only for superuser! */
1478 error = priv_check (td, PRIV_DRIVER);
1479 if (error)
1480 return error;
1481 if (c->type != T_E1)
1482 return EINVAL;
1483 s = splimp ();
1484 CE_LOCK (bd);
1485 ce_set_use16 (c, *(int*)data);
1486 CE_UNLOCK (bd);
1487 splx (s);
1488 return 0;
1489
1490 case SERIAL_GETCRC4:
1491 CE_DEBUG2 (d, ("ioctl: getcrc4\n"));
1492 if (c->type != T_E1 || c->unfram)
1493 return EINVAL;
1494 *(int*)data = c->crc4;
1495 return 0;
1496
1497 case SERIAL_SETCRC4:
1498 CE_DEBUG2 (d, ("ioctl: setcrc4\n"));
1499 /* Only for superuser! */
1500 error = priv_check (td, PRIV_DRIVER);
1501 if (error)
1502 return error;
1503 if (c->type != T_E1 || c->unfram)
1504 return EINVAL;
1505 s = splimp ();
1506 CE_LOCK (bd);
1507 ce_set_crc4 (c, *(int*)data);
1508 CE_UNLOCK (bd);
1509 splx (s);
1510 return 0;
1511
1512 case SERIAL_GETCLK:
1513 CE_DEBUG2 (d, ("ioctl: getclk\n"));
1514 if (c->type != T_E1)
1515 return EINVAL;
1516 switch (c->gsyn) {
1517 default: *(int*)data = E1CLK_INTERNAL; break;
1518 case GSYN_RCV: *(int*)data = E1CLK_RECEIVE; break;
1519 case GSYN_RCV0: *(int*)data = E1CLK_RECEIVE_CHAN0; break;
1520 case GSYN_RCV1: *(int*)data = E1CLK_RECEIVE_CHAN1; break;
1521 }
1522 return 0;
1523
1524 case SERIAL_SETCLK:
1525 CE_DEBUG2 (d, ("ioctl: setclk\n"));
1526 /* Only for superuser! */
1527 error = priv_check (td, PRIV_DRIVER);
1528 if (error)
1529 return error;
1530 if (c->type != T_E1)
1531 return EINVAL;
1532 s = splimp ();
1533 CE_LOCK (bd);
1534 switch (*(int*)data) {
1535 default: ce_set_gsyn (c, GSYN_INT); break;
1536 case E1CLK_RECEIVE: ce_set_gsyn (c, GSYN_RCV); break;
1537 case E1CLK_RECEIVE_CHAN0: ce_set_gsyn (c, GSYN_RCV0); break;
1538 case E1CLK_RECEIVE_CHAN1: ce_set_gsyn (c, GSYN_RCV1); break;
1539 }
1540 CE_UNLOCK (bd);
1541 splx (s);
1542 return 0;
1543
1544 #if 0
1545 case SERIAL_RESET:
1546 CE_DEBUG2 (d, ("ioctl: reset\n"));
1547 /* Only for superuser! */
1548 error = priv_check (td, PRIV_DRIVER);
1549 if (error)
1550 return error;
1551 s = splimp ();
1552 CE_LOCK (bd);
1553 /* ce_reset (c->board, 0, 0);*/
1554 CE_UNLOCK (bd);
1555 splx (s);
1556 return 0;
1557
1558 case SERIAL_HARDRESET:
1559 CE_DEBUG2 (d, ("ioctl: hardreset\n"));
1560 /* Only for superuser! */
1561 error = priv_check (td, PRIV_DRIVER);
1562 if (error)
1563 return error;
1564 s = splimp ();
1565 CE_LOCK (bd);
1566 /* hard_reset (c->board); */
1567 CE_UNLOCK (bd);
1568 splx (s);
1569 return 0;
1570 #endif
1571
1572 case SERIAL_GETCABLE:
1573 CE_DEBUG2 (d, ("ioctl: getcable\n"));
1574 if (c->type != T_E1)
1575 return EINVAL;
1576 s = splimp ();
1577 CE_LOCK (bd);
1578 *(int*)data = CABLE_TP;
1579 CE_UNLOCK (bd);
1580 splx (s);
1581 return 0;
1582
1583 case SERIAL_GETDIR:
1584 CE_DEBUG2 (d, ("ioctl: getdir\n"));
1585 if (c->type != T_E1 && c->type != T_DATA)
1586 return EINVAL;
1587 *(int*)data = c->dir;
1588 return 0;
1589
1590 case SERIAL_SETDIR:
1591 CE_DEBUG2 (d, ("ioctl: setdir\n"));
1592 /* Only for superuser! */
1593 error = priv_check (td, PRIV_DRIVER);
1594 if (error)
1595 return error;
1596 s = splimp ();
1597 CE_LOCK (bd);
1598 ce_set_dir (c, *(int*)data);
1599 CE_UNLOCK (bd);
1600 splx (s);
1601 return 0;
1602
1603 case TIOCSDTR: /* Set DTR */
1604 s = splimp ();
1605 CE_LOCK (bd);
1606 ce_set_dtr (c, 1);
1607 CE_UNLOCK (bd);
1608 splx (s);
1609 return 0;
1610
1611 case TIOCCDTR: /* Clear DTR */
1612 s = splimp ();
1613 CE_LOCK (bd);
1614 ce_set_dtr (c, 0);
1615 CE_UNLOCK (bd);
1616 splx (s);
1617 return 0;
1618
1619 case TIOCMSET: /* Set DTR/RTS */
1620 s = splimp ();
1621 CE_LOCK (bd);
1622 ce_set_dtr (c, (*(int*)data & TIOCM_DTR) ? 1 : 0);
1623 ce_set_rts (c, (*(int*)data & TIOCM_RTS) ? 1 : 0);
1624 CE_UNLOCK (bd);
1625 splx (s);
1626 return 0;
1627
1628 case TIOCMBIS: /* Add DTR/RTS */
1629 s = splimp ();
1630 CE_LOCK (bd);
1631 if (*(int*)data & TIOCM_DTR) ce_set_dtr (c, 1);
1632 if (*(int*)data & TIOCM_RTS) ce_set_rts (c, 1);
1633 CE_UNLOCK (bd);
1634 splx (s);
1635 return 0;
1636
1637 case TIOCMBIC: /* Clear DTR/RTS */
1638 s = splimp ();
1639 CE_LOCK (bd);
1640 if (*(int*)data & TIOCM_DTR) ce_set_dtr (c, 0);
1641 if (*(int*)data & TIOCM_RTS) ce_set_rts (c, 0);
1642 CE_UNLOCK (bd);
1643 splx (s);
1644 return 0;
1645
1646 case TIOCMGET: /* Get modem status */
1647 *(int*)data = ce_modem_status (c);
1648 return 0;
1649 }
1650 return ENOTTY;
1651 }
1652
1653 #ifdef NETGRAPH
ng_ce_constructor(node_p node)1654 static int ng_ce_constructor (node_p node)
1655 {
1656 drv_t *d = NG_NODE_PRIVATE (node);
1657 CE_DEBUG (d, ("Constructor\n"));
1658 return EINVAL;
1659 }
1660
ng_ce_newhook(node_p node,hook_p hook,const char * name)1661 static int ng_ce_newhook (node_p node, hook_p hook, const char *name)
1662 {
1663 int s;
1664 drv_t *d = NG_NODE_PRIVATE (node);
1665 bdrv_t *bd = d->board->sys;
1666
1667 CE_DEBUG (d, ("Newhook\n"));
1668 /* Attach debug hook */
1669 if (strcmp (name, NG_CE_HOOK_DEBUG) == 0) {
1670 NG_HOOK_SET_PRIVATE (hook, NULL);
1671 d->debug_hook = hook;
1672 return 0;
1673 }
1674
1675 /* Check for raw hook */
1676 if (strcmp (name, NG_CE_HOOK_RAW) != 0)
1677 return EINVAL;
1678
1679 NG_HOOK_SET_PRIVATE (hook, d);
1680 d->hook = hook;
1681 s = splimp ();
1682 CE_LOCK (bd);
1683 ce_up (d);
1684 CE_UNLOCK (bd);
1685 splx (s);
1686 return 0;
1687 }
1688
format_timeslots(u_long s)1689 static char *format_timeslots (u_long s)
1690 {
1691 static char buf [100];
1692 char *p = buf;
1693 int i;
1694
1695 for (i=1; i<32; ++i)
1696 if ((s >> i) & 1) {
1697 int prev = (i > 1) & (s >> (i-1));
1698 int next = (i < 31) & (s >> (i+1));
1699
1700 if (prev) {
1701 if (next)
1702 continue;
1703 *p++ = '-';
1704 } else if (p > buf)
1705 *p++ = ',';
1706
1707 if (i >= 10)
1708 *p++ = '0' + i / 10;
1709 *p++ = '0' + i % 10;
1710 }
1711 *p = 0;
1712 return buf;
1713 }
1714
print_modems(char * s,ce_chan_t * c,int need_header)1715 static int print_modems (char *s, ce_chan_t *c, int need_header)
1716 {
1717 int status = ce_modem_status (c);
1718 int length = 0;
1719
1720 if (need_header)
1721 length += sprintf (s + length, " LE DTR DSR RTS CTS CD\n");
1722 length += sprintf (s + length, "%4s %4s %4s %4s %4s %4s\n",
1723 status & TIOCM_LE ? "On" : "-",
1724 status & TIOCM_DTR ? "On" : "-",
1725 status & TIOCM_DSR ? "On" : "-",
1726 status & TIOCM_RTS ? "On" : "-",
1727 status & TIOCM_CTS ? "On" : "-",
1728 status & TIOCM_CD ? "On" : "-");
1729 return length;
1730 }
1731
print_stats(char * s,ce_chan_t * c,int need_header)1732 static int print_stats (char *s, ce_chan_t *c, int need_header)
1733 {
1734 int length = 0;
1735
1736 if (need_header)
1737 length += sprintf (s + length, " Rintr Tintr Mintr Ibytes Ipkts Ierrs Obytes Opkts Oerrs\n");
1738 length += sprintf (s + length, "%7ld %7ld %7ld %8lu %7ld %7ld %8lu %7ld %7ld\n",
1739 c->rintr, c->tintr, 0l, (unsigned long) c->ibytes,
1740 c->ipkts, c->overrun + c->frame + c->crc,
1741 (unsigned long) c->obytes, c->opkts, c->underrun);
1742 return length;
1743 }
1744
format_e1_status(u_char status)1745 static char *format_e1_status (u_char status)
1746 {
1747 static char buf [80];
1748
1749 if (status & E1_NOALARM)
1750 return "Ok";
1751 buf[0] = 0;
1752 if (status & E1_LOS) strcat (buf, ",LOS");
1753 if (status & E1_AIS) strcat (buf, ",AIS");
1754 if (status & E1_LOF) strcat (buf, ",LOF");
1755 if (status & E1_LOMF) strcat (buf, ",LOMF");
1756 if (status & E1_FARLOF) strcat (buf, ",FARLOF");
1757 if (status & E1_AIS16) strcat (buf, ",AIS16");
1758 if (status & E1_FARLOMF) strcat (buf, ",FARLOMF");
1759 if (status & E1_TSTREQ) strcat (buf, ",TSTREQ");
1760 if (status & E1_TSTERR) strcat (buf, ",TSTERR");
1761 if (buf[0] == ',')
1762 return buf+1;
1763 return "Unknown";
1764 }
1765
print_frac(char * s,int leftalign,u_long numerator,u_long divider)1766 static int print_frac (char *s, int leftalign, u_long numerator, u_long divider)
1767 {
1768 int n, length = 0;
1769
1770 if (numerator < 1 || divider < 1) {
1771 length += sprintf (s+length, leftalign ? "/- " : " -");
1772 return length;
1773 }
1774 n = (int) (0.5 + 1000.0 * numerator / divider);
1775 if (n < 1000) {
1776 length += sprintf (s+length, leftalign ? "/.%-3d" : " .%03d", n);
1777 return length;
1778 }
1779 *(s + length) = leftalign ? '/' : ' ';
1780 length ++;
1781
1782 if (n >= 1000000) n = (n+500) / 1000 * 1000;
1783 else if (n >= 100000) n = (n+50) / 100 * 100;
1784 else if (n >= 10000) n = (n+5) / 10 * 10;
1785
1786 switch (n) {
1787 case 1000: length += printf (s+length, ".999"); return length;
1788 case 10000: n = 9990; break;
1789 case 100000: n = 99900; break;
1790 case 1000000: n = 999000; break;
1791 }
1792 if (n < 10000) length += sprintf (s+length, "%d.%d", n/1000, n/10%100);
1793 else if (n < 100000) length += sprintf (s+length, "%d.%d", n/1000, n/100%10);
1794 else if (n < 1000000) length += sprintf (s+length, "%d.", n/1000);
1795 else length += sprintf (s+length, "%d", n/1000);
1796
1797 return length;
1798 }
1799
print_e1_stats(char * s,ce_chan_t * c)1800 static int print_e1_stats (char *s, ce_chan_t *c)
1801 {
1802 struct e1_counters total;
1803 u_long totsec;
1804 int length = 0;
1805
1806 totsec = c->totsec + c->cursec;
1807 total.bpv = c->total.bpv + c->currnt.bpv;
1808 total.fse = c->total.fse + c->currnt.fse;
1809 total.crce = c->total.crce + c->currnt.crce;
1810 total.rcrce = c->total.rcrce + c->currnt.rcrce;
1811 total.uas = c->total.uas + c->currnt.uas;
1812 total.les = c->total.les + c->currnt.les;
1813 total.es = c->total.es + c->currnt.es;
1814 total.bes = c->total.bes + c->currnt.bes;
1815 total.ses = c->total.ses + c->currnt.ses;
1816 total.oofs = c->total.oofs + c->currnt.oofs;
1817 total.css = c->total.css + c->currnt.css;
1818 total.dm = c->total.dm + c->currnt.dm;
1819
1820 length += sprintf (s + length, " Unav/Degr Bpv/Fsyn CRC/RCRC Err/Lerr Sev/Bur Oof/Slp Status\n");
1821
1822 /* Unavailable seconds, degraded minutes */
1823 length += print_frac (s + length, 0, c->currnt.uas, c->cursec);
1824 length += print_frac (s + length, 1, 60 * c->currnt.dm, c->cursec);
1825
1826 /* Bipolar violations, frame sync errors */
1827 length += print_frac (s + length, 0, c->currnt.bpv, c->cursec);
1828 length += print_frac (s + length, 1, c->currnt.fse, c->cursec);
1829
1830 /* CRC errors, remote CRC errors (E-bit) */
1831 length += print_frac (s + length, 0, c->currnt.crce, c->cursec);
1832 length += print_frac (s + length, 1, c->currnt.rcrce, c->cursec);
1833
1834 /* Errored seconds, line errored seconds */
1835 length += print_frac (s + length, 0, c->currnt.es, c->cursec);
1836 length += print_frac (s + length, 1, c->currnt.les, c->cursec);
1837
1838 /* Severely errored seconds, burst errored seconds */
1839 length += print_frac (s + length, 0, c->currnt.ses, c->cursec);
1840 length += print_frac (s + length, 1, c->currnt.bes, c->cursec);
1841
1842 /* Out of frame seconds, controlled slip seconds */
1843 length += print_frac (s + length, 0, c->currnt.oofs, c->cursec);
1844 length += print_frac (s + length, 1, c->currnt.css, c->cursec);
1845
1846 length += sprintf (s + length, " %s\n", format_e1_status (c->status));
1847
1848 /* Print total statistics. */
1849 length += print_frac (s + length, 0, total.uas, totsec);
1850 length += print_frac (s + length, 1, 60 * total.dm, totsec);
1851
1852 length += print_frac (s + length, 0, total.bpv, totsec);
1853 length += print_frac (s + length, 1, total.fse, totsec);
1854
1855 length += print_frac (s + length, 0, total.crce, totsec);
1856 length += print_frac (s + length, 1, total.rcrce, totsec);
1857
1858 length += print_frac (s + length, 0, total.es, totsec);
1859 length += print_frac (s + length, 1, total.les, totsec);
1860
1861 length += print_frac (s + length, 0, total.ses, totsec);
1862 length += print_frac (s + length, 1, total.bes, totsec);
1863
1864 length += print_frac (s + length, 0, total.oofs, totsec);
1865 length += print_frac (s + length, 1, total.css, totsec);
1866
1867 length += sprintf (s + length, " -- Total\n");
1868 return length;
1869 }
1870
print_chan(char * s,ce_chan_t * c)1871 static int print_chan (char *s, ce_chan_t *c)
1872 {
1873 drv_t *d = c->sys;
1874 int length = 0;
1875
1876 length += sprintf (s + length, "ce%d", c->board->num * NCHAN + c->num);
1877 if (d->chan->debug)
1878 length += sprintf (s + length, " debug=%d", d->chan->debug);
1879
1880 if (c->board->mux) {
1881 length += sprintf (s + length, " cfg=C");
1882 } else {
1883 length += sprintf (s + length, " cfg=A");
1884 }
1885
1886 if (c->baud)
1887 length += sprintf (s + length, " %ld", c->baud);
1888 else
1889 length += sprintf (s + length, " extclock");
1890
1891 if (c->type == T_E1)
1892 switch (c->gsyn) {
1893 case GSYN_INT : length += sprintf (s + length, " syn=int"); break;
1894 case GSYN_RCV : length += sprintf (s + length, " syn=rcv"); break;
1895 case GSYN_RCV0 : length += sprintf (s + length, " syn=rcv0"); break;
1896 case GSYN_RCV1 : length += sprintf (s + length, " syn=rcv1"); break;
1897 }
1898 if (c->type == T_E1)
1899 length += sprintf (s + length, " higain=%s", c->higain ? "on" : "off");
1900
1901 length += sprintf (s + length, " loop=%s", c->lloop ? "on" : "off");
1902
1903 if (c->type == T_E1)
1904 length += sprintf (s + length, " ts=%s", format_timeslots (c->ts));
1905 length += sprintf (s + length, "\n");
1906 return length;
1907 }
1908
ng_ce_rcvmsg(node_p node,item_p item,hook_p lasthook)1909 static int ng_ce_rcvmsg (node_p node, item_p item, hook_p lasthook)
1910 {
1911 drv_t *d = NG_NODE_PRIVATE (node);
1912 struct ng_mesg *msg;
1913 struct ng_mesg *resp = NULL;
1914 int error = 0;
1915
1916 CE_DEBUG (d, ("Rcvmsg\n"));
1917 NGI_GET_MSG (item, msg);
1918 switch (msg->header.typecookie) {
1919 default:
1920 error = EINVAL;
1921 break;
1922
1923 case NGM_CE_COOKIE:
1924 printf ("Not implemented yet\n");
1925 error = EINVAL;
1926 break;
1927
1928 case NGM_GENERIC_COOKIE:
1929 switch (msg->header.cmd) {
1930 default:
1931 error = EINVAL;
1932 break;
1933
1934 case NGM_TEXT_STATUS: {
1935 char *s;
1936 int l = 0;
1937 int dl = sizeof (struct ng_mesg) + 730;
1938
1939 NG_MKRESPONSE (resp, msg, dl, M_NOWAIT);
1940 if (! resp) {
1941 error = ENOMEM;
1942 break;
1943 }
1944 s = (resp)->data;
1945 if (d) {
1946 l += print_chan (s + l, d->chan);
1947 l += print_stats (s + l, d->chan, 1);
1948 l += print_modems (s + l, d->chan, 1);
1949 l += print_e1_stats (s + l, d->chan);
1950 } else
1951 l += sprintf (s + l, "Error: node not connect to channel");
1952 strncpy ((resp)->header.cmdstr, "status", NG_CMDSTRSIZ);
1953 }
1954 break;
1955 }
1956 break;
1957 }
1958 NG_RESPOND_MSG (error, node, item, resp);
1959 NG_FREE_MSG (msg);
1960 return error;
1961 }
1962
ng_ce_rcvdata(hook_p hook,item_p item)1963 static int ng_ce_rcvdata (hook_p hook, item_p item)
1964 {
1965 drv_t *d = NG_NODE_PRIVATE (NG_HOOK_NODE(hook));
1966 struct mbuf *m;
1967 struct ng_tag_prio *ptag;
1968 bdrv_t *bd = d->board->sys;
1969 struct ifqueue *q;
1970 int s;
1971
1972 CE_DEBUG2 (d, ("Rcvdata\n"));
1973 NGI_GET_M (item, m);
1974 NG_FREE_ITEM (item);
1975 if (! NG_HOOK_PRIVATE (hook) || ! d) {
1976 NG_FREE_M (m);
1977 return ENETDOWN;
1978 }
1979
1980 /* Check for high priority data */
1981 if ((ptag = (struct ng_tag_prio *)m_tag_locate(m, NGM_GENERIC_COOKIE,
1982 NG_TAG_PRIO, NULL)) != NULL && (ptag->priority > NG_PRIO_CUTOFF) )
1983 q = &d->hi_queue;
1984 else
1985 q = &d->queue;
1986
1987 s = splimp ();
1988 CE_LOCK (bd);
1989 IF_LOCK (q);
1990 if (_IF_QFULL (q)) {
1991 IF_UNLOCK (q);
1992 CE_UNLOCK (bd);
1993 splx (s);
1994 NG_FREE_M (m);
1995 return ENOBUFS;
1996 }
1997 _IF_ENQUEUE (q, m);
1998 IF_UNLOCK (q);
1999 ce_start (d);
2000 CE_UNLOCK (bd);
2001 splx (s);
2002 return 0;
2003 }
2004
ng_ce_rmnode(node_p node)2005 static int ng_ce_rmnode (node_p node)
2006 {
2007 drv_t *d = NG_NODE_PRIVATE (node);
2008
2009 CE_DEBUG (d, ("Rmnode\n"));
2010 if (d && d->running) {
2011 bdrv_t *bd = d->board->sys;
2012 int s = splimp ();
2013 CE_LOCK (bd);
2014 ce_down (d);
2015 CE_UNLOCK (bd);
2016 splx (s);
2017 }
2018 #ifdef KLD_MODULE
2019 if (node->nd_flags & NGF_REALLY_DIE) {
2020 NG_NODE_SET_PRIVATE (node, NULL);
2021 NG_NODE_UNREF (node);
2022 }
2023 NG_NODE_REVIVE(node); /* Persistent node */
2024 #endif
2025 return 0;
2026 }
2027
ng_ce_connect(hook_p hook)2028 static int ng_ce_connect (hook_p hook)
2029 {
2030 drv_t *d = NG_NODE_PRIVATE (NG_HOOK_NODE (hook));
2031
2032 if (d) {
2033 CE_DEBUG (d, ("Connect\n"));
2034 callout_reset (&d->timeout_handle, hz, ce_watchdog_timer, d);
2035 }
2036
2037 return 0;
2038 }
2039
ng_ce_disconnect(hook_p hook)2040 static int ng_ce_disconnect (hook_p hook)
2041 {
2042 drv_t *d = NG_NODE_PRIVATE (NG_HOOK_NODE (hook));
2043
2044 if (d) {
2045 CE_DEBUG (d, ("Disconnect\n"));
2046 if (NG_HOOK_PRIVATE (hook))
2047 {
2048 bdrv_t *bd = d->board->sys;
2049 int s = splimp ();
2050 CE_LOCK (bd);
2051 ce_down (d);
2052 CE_UNLOCK (bd);
2053 splx (s);
2054 }
2055 /* If we were wait it than it reasserted now, just stop it. */
2056 if (!callout_drain (&d->timeout_handle))
2057 callout_stop (&d->timeout_handle);
2058 }
2059 return 0;
2060 }
2061 #endif
2062
ce_modevent(module_t mod,int type,void * unused)2063 static int ce_modevent (module_t mod, int type, void *unused)
2064 {
2065 static int load_count = 0;
2066
2067
2068 switch (type) {
2069 case MOD_LOAD:
2070 #if __FreeBSD_version >= 500000 && defined NETGRAPH
2071 if (ng_newtype (&typestruct))
2072 printf ("Failed to register ng_ce\n");
2073 #endif
2074 ++load_count;
2075 callout_init (&timeout_handle, 1);
2076 callout_reset (&timeout_handle, hz*5, ce_timeout, 0);
2077 break;
2078 case MOD_UNLOAD:
2079 if (load_count == 1) {
2080 printf ("Removing device entry for Tau32-PCI\n");
2081 #if __FreeBSD_version >= 500000 && defined NETGRAPH
2082 ng_rmtype (&typestruct);
2083 #endif
2084 }
2085 /* If we were wait it than it reasserted now, just stop it.
2086 * Actually we shouldn't get this condition. But code could be
2087 * changed in the future, so just be a litle paranoid.
2088 */
2089 if (!callout_drain (&timeout_handle))
2090 callout_stop (&timeout_handle);
2091 --load_count;
2092 break;
2093 case MOD_SHUTDOWN:
2094 break;
2095 }
2096 return 0;
2097 }
2098
2099 #ifdef NETGRAPH
2100 static struct ng_type typestruct = {
2101 .version = NG_ABI_VERSION,
2102 .name = NG_CE_NODE_TYPE,
2103 .constructor = ng_ce_constructor,
2104 .rcvmsg = ng_ce_rcvmsg,
2105 .shutdown = ng_ce_rmnode,
2106 .newhook = ng_ce_newhook,
2107 .connect = ng_ce_connect,
2108 .rcvdata = ng_ce_rcvdata,
2109 .disconnect = ng_ce_disconnect,
2110 };
2111
2112 #endif /*NETGRAPH*/
2113
2114 #ifdef NETGRAPH
2115 MODULE_DEPEND (ng_ce, netgraph, NG_ABI_VERSION, NG_ABI_VERSION, NG_ABI_VERSION);
2116 #else
2117 MODULE_DEPEND (ce, sppp, 1, 1, 1);
2118 #endif
2119 #ifdef KLD_MODULE
2120 DRIVER_MODULE (cemod, pci, ce_driver, ce_devclass, ce_modevent, NULL);
2121 #else
2122 DRIVER_MODULE (ce, pci, ce_driver, ce_devclass, ce_modevent, NULL);
2123 #endif
2124