if_ct.c revision 315221
1/*- 2 * Cronyx-Tau adapter driver for FreeBSD. 3 * Supports PPP/HDLC and Cisco/HDLC protocol in synchronous mode, 4 * and asynchronous channels with full modem control. 5 * Keepalive protocol implemented in both Cisco and PPP modes. 6 * 7 * Copyright (C) 1994-2002 Cronyx Engineering. 8 * Author: Serge Vakulenko, <vak@cronyx.ru> 9 * 10 * Copyright (C) 1999-2004 Cronyx Engineering. 11 * Author: Roman Kurakin, <rik@cronyx.ru> 12 * 13 * This software is distributed with NO WARRANTIES, not even the implied 14 * warranties for MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. 15 * 16 * Authors grant any other persons or organisations a permission to use, 17 * modify and redistribute this software in source and binary forms, 18 * as long as this message is kept with the software, all derivative 19 * works or modified versions. 20 * 21 * Cronyx Id: if_ct.c,v 1.1.2.31 2004/06/23 17:09:13 rik Exp $ 22 */ 23 24#include <sys/cdefs.h> 25__FBSDID("$FreeBSD: stable/11/sys/dev/ctau/if_ct.c 315221 2017-03-14 02:06:03Z pfg $"); 26 27#include <sys/param.h> 28#include <sys/proc.h> 29#include <sys/systm.h> 30#include <sys/kernel.h> 31#include <sys/module.h> 32#include <sys/mbuf.h> 33#include <sys/sockio.h> 34#include <sys/malloc.h> 35#include <sys/priv.h> 36#include <sys/socket.h> 37#include <sys/sysctl.h> 38#include <sys/conf.h> 39#include <sys/errno.h> 40#include <sys/tty.h> 41#include <sys/bus.h> 42#include <machine/bus.h> 43#include <sys/rman.h> 44#include <isa/isavar.h> 45#include <sys/interrupt.h> 46#include <vm/vm.h> 47#include <vm/pmap.h> 48#include <net/if.h> 49#include <net/if_var.h> 50#include <machine/cpufunc.h> 51#include <machine/cserial.h> 52#include <machine/resource.h> 53#include <dev/cx/machdep.h> 54#include <dev/ctau/ctddk.h> 55#include <dev/cx/cronyxfw.h> 56#include "opt_ng_cronyx.h" 57#ifdef NETGRAPH_CRONYX 58# include "opt_netgraph.h" 59# include <netgraph/ng_message.h> 60# include <netgraph/netgraph.h> 61# include <dev/ctau/ng_ct.h> 62#else 63# include <net/if_types.h> 64# include <net/if_sppp.h> 65# define PP_CISCO IFF_LINK2 66# include <net/bpf.h> 67#endif 68 69#define NCTAU 1 70 71/* If we don't have Cronyx's sppp version, we don't have fr support via sppp */ 72#ifndef PP_FR 73#define PP_FR 0 74#endif 75 76#define CT_DEBUG(d,s) ({if (d->chan->debug) {\ 77 printf ("%s: ", d->name); printf s;}}) 78#define CT_DEBUG2(d,s) ({if (d->chan->debug>1) {\ 79 printf ("%s: ", d->name); printf s;}}) 80 81#define CT_LOCK_NAME "ctX" 82 83#define CT_LOCK(_bd) mtx_lock (&(_bd)->ct_mtx) 84#define CT_UNLOCK(_bd) mtx_unlock (&(_bd)->ct_mtx) 85#define CT_LOCK_ASSERT(_bd) mtx_assert (&(_bd)->ct_mtx, MA_OWNED) 86 87static void ct_identify __P((driver_t *, device_t)); 88static int ct_probe __P((device_t)); 89static int ct_attach __P((device_t)); 90static int ct_detach __P((device_t)); 91 92static device_method_t ct_isa_methods [] = { 93 DEVMETHOD(device_identify, ct_identify), 94 DEVMETHOD(device_probe, ct_probe), 95 DEVMETHOD(device_attach, ct_attach), 96 DEVMETHOD(device_detach, ct_detach), 97 98 DEVMETHOD_END 99}; 100 101typedef struct _ct_dma_mem_t { 102 unsigned long phys; 103 void *virt; 104 size_t size; 105 bus_dma_tag_t dmat; 106 bus_dmamap_t mapp; 107} ct_dma_mem_t; 108 109typedef struct _drv_t { 110 char name [8]; 111 ct_chan_t *chan; 112 ct_board_t *board; 113 struct _bdrv_t *bd; 114 ct_dma_mem_t dmamem; 115 int running; 116#ifdef NETGRAPH 117 char nodename [NG_NODESIZ]; 118 hook_p hook; 119 hook_p debug_hook; 120 node_p node; 121 struct ifqueue queue; 122 struct ifqueue hi_queue; 123#else 124 struct ifqueue queue; 125 struct ifnet *ifp; 126#endif 127 short timeout; 128 struct callout timeout_handle; 129 struct cdev *devt; 130} drv_t; 131 132typedef struct _bdrv_t { 133 ct_board_t *board; 134 struct resource *base_res; 135 struct resource *drq_res; 136 struct resource *irq_res; 137 int base_rid; 138 int drq_rid; 139 int irq_rid; 140 void *intrhand; 141 drv_t channel [NCHAN]; 142 struct mtx ct_mtx; 143} bdrv_t; 144 145static driver_t ct_isa_driver = { 146 "ct", 147 ct_isa_methods, 148 sizeof (bdrv_t), 149}; 150 151static devclass_t ct_devclass; 152 153static void ct_receive (ct_chan_t *c, char *data, int len); 154static void ct_transmit (ct_chan_t *c, void *attachment, int len); 155static void ct_error (ct_chan_t *c, int data); 156static void ct_up (drv_t *d); 157static void ct_start (drv_t *d); 158static void ct_down (drv_t *d); 159static void ct_watchdog (drv_t *d); 160static void ct_watchdog_timer (void *arg); 161#ifdef NETGRAPH 162extern struct ng_type typestruct; 163#else 164static void ct_ifstart (struct ifnet *ifp); 165static void ct_tlf (struct sppp *sp); 166static void ct_tls (struct sppp *sp); 167static int ct_sioctl (struct ifnet *ifp, u_long cmd, caddr_t data); 168static void ct_initialize (void *softc); 169#endif 170 171static ct_board_t *adapter [NCTAU]; 172static drv_t *channel [NCTAU*NCHAN]; 173static struct callout led_timo [NCTAU]; 174static struct callout timeout_handle; 175 176static int ct_open (struct cdev *dev, int oflags, int devtype, struct thread *td); 177static int ct_close (struct cdev *dev, int fflag, int devtype, struct thread *td); 178static int ct_ioctl (struct cdev *dev, u_long cmd, caddr_t data, int flag, struct thread *td); 179static struct cdevsw ct_cdevsw = { 180 .d_version = D_VERSION, 181 .d_open = ct_open, 182 .d_close = ct_close, 183 .d_ioctl = ct_ioctl, 184 .d_name = "ct", 185}; 186 187/* 188 * Make an mbuf from data. 189 */ 190static struct mbuf *makembuf (void *buf, u_int len) 191{ 192 struct mbuf *m; 193 194 MGETHDR (m, M_NOWAIT, MT_DATA); 195 if (! m) 196 return 0; 197 if (!(MCLGET(m, M_NOWAIT))) { 198 m_freem (m); 199 return 0; 200 } 201 m->m_pkthdr.len = m->m_len = len; 202 bcopy (buf, mtod (m, caddr_t), len); 203 return m; 204} 205 206static void ct_timeout (void *arg) 207{ 208 drv_t *d; 209 int s, i, k; 210 211 for (i = 0; i < NCTAU; ++i) { 212 if (adapter[i] == NULL) 213 continue; 214 for (k = 0; k < NCHAN; k++) { 215 d = channel[i * NCHAN + k]; 216 if (! d) 217 continue; 218 if (d->chan->mode != M_G703) 219 continue; 220 s = splimp (); 221 CT_LOCK ((bdrv_t *)d->bd); 222 ct_g703_timer (d->chan); 223 CT_UNLOCK ((bdrv_t *)d->bd); 224 splx (s); 225 } 226 } 227 228 callout_reset (&timeout_handle, hz, ct_timeout, 0); 229} 230 231static void ct_led_off (void *arg) 232{ 233 ct_board_t *b = arg; 234 bdrv_t *bd = ((drv_t *)b->chan->sys)->bd; 235 int s = splimp (); 236 237 CT_LOCK (bd); 238 ct_led (b, 0); 239 CT_UNLOCK (bd); 240 splx (s); 241} 242 243/* 244 * Activate interrupt handler from DDK. 245 */ 246static void ct_intr (void *arg) 247{ 248 bdrv_t *bd = arg; 249 ct_board_t *b = bd->board; 250#ifndef NETGRAPH 251 int i; 252#endif 253 int s = splimp (); 254 255 CT_LOCK (bd); 256 /* Turn LED on. */ 257 ct_led (b, 1); 258 259 ct_int_handler (b); 260 261 /* Turn LED off 50 msec later. */ 262 callout_reset (&led_timo[b->num], hz/20, ct_led_off, b); 263 CT_UNLOCK (bd); 264 splx (s); 265 266#ifndef NETGRAPH 267 /* Pass packets in a lock-free state */ 268 for (i = 0; i < NCHAN && b->chan[i].type; i++) { 269 drv_t *d = b->chan[i].sys; 270 struct mbuf *m; 271 if (!d || !d->running) 272 continue; 273 while (_IF_QLEN(&d->queue)) { 274 IF_DEQUEUE (&d->queue,m); 275 if (!m) 276 continue; 277 sppp_input (d->ifp, m); 278 } 279 } 280#endif 281} 282 283static int probe_irq (ct_board_t *b, int irq) 284{ 285 int mask, busy, cnt; 286 287 /* Clear pending irq, if any. */ 288 ct_probe_irq (b, -irq); 289 DELAY (100); 290 for (cnt=0; cnt<5; ++cnt) { 291 /* Get the mask of pending irqs, assuming they are busy. 292 * Activate the adapter on given irq. */ 293 busy = ct_probe_irq (b, irq); 294 DELAY (1000); 295 296 /* Get the mask of active irqs. 297 * Deactivate our irq. */ 298 mask = ct_probe_irq (b, -irq); 299 DELAY (100); 300 if ((mask & ~busy) == 1 << irq) { 301 ct_probe_irq (b, 0); 302 /* printf ("ct%d: irq %d ok, mask=0x%04x, busy=0x%04x\n", 303 b->num, irq, mask, busy); */ 304 return 1; 305 } 306 } 307 /* printf ("ct%d: irq %d not functional, mask=0x%04x, busy=0x%04x\n", 308 b->num, irq, mask, busy); */ 309 ct_probe_irq (b, 0); 310 return 0; 311} 312 313static short porttab [] = { 314 0x200, 0x220, 0x240, 0x260, 0x280, 0x2a0, 0x2c0, 0x2e0, 315 0x300, 0x320, 0x340, 0x360, 0x380, 0x3a0, 0x3c0, 0x3e0, 0 316 }; 317static char dmatab [] = { 7, 6, 5, 0 }; 318static char irqtab [] = { 5, 10, 11, 7, 3, 15, 12, 0 }; 319 320static int ct_is_free_res (device_t dev, int rid, int type, rman_res_t start, 321 rman_res_t end, rman_res_t count) 322{ 323 struct resource *res; 324 325 if (!(res = bus_alloc_resource (dev, type, &rid, start, end, count, 0))) 326 return 0; 327 328 bus_release_resource (dev, type, rid, res); 329 330 return 1; 331} 332 333static void ct_identify (driver_t *driver, device_t dev) 334{ 335 rman_res_t iobase, rescount; 336 int devcount; 337 device_t *devices; 338 device_t child; 339 devclass_t my_devclass; 340 int i, k; 341 342 if ((my_devclass = devclass_find ("ct")) == NULL) 343 return; 344 345 devclass_get_devices (my_devclass, &devices, &devcount); 346 347 if (devcount == 0) { 348 /* We should find all devices by our self. We could alter other 349 * devices, but we don't have a choise 350 */ 351 for (i = 0; (iobase = porttab [i]) != 0; i++) { 352 if (!ct_is_free_res (dev, 0, SYS_RES_IOPORT, 353 iobase, iobase + NPORT, NPORT)) 354 continue; 355 if (ct_probe_board (iobase, -1, -1) == 0) 356 continue; 357 358 devcount++; 359 child = BUS_ADD_CHILD (dev, ISA_ORDER_SPECULATIVE, "ct", 360 -1); 361 362 if (child == NULL) 363 return; 364 365 device_set_desc_copy (child, "Cronyx Tau-ISA"); 366 device_set_driver (child, driver); 367 bus_set_resource (child, SYS_RES_IOPORT, 0, 368 iobase, NPORT); 369 370 if (devcount >= NCTAU) 371 break; 372 } 373 } else { 374 static short porttab [] = { 375 0x200, 0x220, 0x240, 0x260, 0x280, 0x2a0, 0x2c0, 0x2e0, 376 0x300, 0x320, 0x340, 0x360, 0x380, 0x3a0, 0x3c0, 0x3e0, 0 377 }; 378 /* Lets check user choise. 379 */ 380 for (k = 0; k < devcount; k++) { 381 if (bus_get_resource (devices[k], SYS_RES_IOPORT, 0, 382 &iobase, &rescount) != 0) 383 continue; 384 385 for (i = 0; porttab [i] != 0; i++) { 386 if (porttab [i] != iobase) 387 continue; 388 389 if (!ct_is_free_res (devices[k], 0, SYS_RES_IOPORT, 390 iobase, iobase + NPORT, NPORT)) 391 continue; 392 393 if (ct_probe_board (iobase, -1, -1) == 0) 394 continue; 395 porttab [i] = -1; 396 device_set_desc_copy (devices[k], "Cronyx Tau-ISA"); 397 break; 398 } 399 if (porttab [i] == 0) { 400 device_delete_child ( 401 device_get_parent (devices[k]), 402 devices [k]); 403 devices[k] = 0; 404 continue; 405 } 406 } 407 for (k = 0; k < devcount; k++) { 408 if (devices[k] == 0) 409 continue; 410 if (bus_get_resource (devices[k], SYS_RES_IOPORT, 0, 411 &iobase, &rescount) == 0) 412 continue; 413 for (i = 0; (iobase = porttab [i]) != 0; i++) { 414 if (porttab [i] == -1) 415 continue; 416 if (!ct_is_free_res (devices[k], 0, SYS_RES_IOPORT, 417 iobase, iobase + NPORT, NPORT)) 418 continue; 419 if (ct_probe_board (iobase, -1, -1) == 0) 420 continue; 421 422 bus_set_resource (devices[k], SYS_RES_IOPORT, 0, 423 iobase, NPORT); 424 porttab [i] = -1; 425 device_set_desc_copy (devices[k], "Cronyx Tau-ISA"); 426 break; 427 } 428 if (porttab [i] == 0) { 429 device_delete_child ( 430 device_get_parent (devices[k]), 431 devices [k]); 432 } 433 } 434 free (devices, M_TEMP); 435 } 436 437 return; 438} 439 440static int ct_probe (device_t dev) 441{ 442 int unit = device_get_unit (dev); 443 rman_res_t iobase, rescount; 444 445 if (!device_get_desc (dev) || 446 strcmp (device_get_desc (dev), "Cronyx Tau-ISA")) 447 return ENXIO; 448 449/* KASSERT ((bd != NULL), ("ct%d: NULL device softc\n", unit));*/ 450 if (bus_get_resource (dev, SYS_RES_IOPORT, 0, &iobase, &rescount) != 0) { 451 printf ("ct%d: Couldn't get IOPORT\n", unit); 452 return ENXIO; 453 } 454 455 if (!ct_is_free_res (dev, 0, SYS_RES_IOPORT, 456 iobase, iobase + NPORT, NPORT)) { 457 printf ("ct%d: Resource IOPORT isn't free\n", unit); 458 return ENXIO; 459 } 460 461 if (!ct_probe_board (iobase, -1, -1)) { 462 printf ("ct%d: probing for Tau-ISA at %jx faild\n", unit, iobase); 463 return ENXIO; 464 } 465 466 return 0; 467} 468 469static void 470ct_bus_dmamap_addr (void *arg, bus_dma_segment_t *segs, int nseg, int error) 471{ 472 unsigned long *addr; 473 474 if (error) 475 return; 476 477 KASSERT(nseg == 1, ("too many DMA segments, %d should be 1", nseg)); 478 addr = arg; 479 *addr = segs->ds_addr; 480} 481 482static int 483ct_bus_dma_mem_alloc (int bnum, int cnum, ct_dma_mem_t *dmem) 484{ 485 int error; 486 487 error = bus_dma_tag_create (NULL, 16, 0, BUS_SPACE_MAXADDR_24BIT, 488 BUS_SPACE_MAXADDR, NULL, NULL, dmem->size, 1, 489 dmem->size, 0, NULL, NULL, &dmem->dmat); 490 if (error) { 491 if (cnum >= 0) printf ("ct%d-%d: ", bnum, cnum); 492 else printf ("ct%d: ", bnum); 493 printf ("couldn't allocate tag for dma memory\n"); 494 return 0; 495 } 496 error = bus_dmamem_alloc (dmem->dmat, (void **)&dmem->virt, 497 BUS_DMA_NOWAIT | BUS_DMA_ZERO, &dmem->mapp); 498 if (error) { 499 if (cnum >= 0) printf ("ct%d-%d: ", bnum, cnum); 500 else printf ("ct%d: ", bnum); 501 printf ("couldn't allocate mem for dma memory\n"); 502 bus_dma_tag_destroy (dmem->dmat); 503 return 0; 504 } 505 error = bus_dmamap_load (dmem->dmat, dmem->mapp, dmem->virt, 506 dmem->size, ct_bus_dmamap_addr, &dmem->phys, 0); 507 if (error) { 508 if (cnum >= 0) printf ("ct%d-%d: ", bnum, cnum); 509 else printf ("ct%d: ", bnum); 510 printf ("couldn't load mem map for dma memory\n"); 511 bus_dmamem_free (dmem->dmat, dmem->virt, dmem->mapp); 512 bus_dma_tag_destroy (dmem->dmat); 513 return 0; 514 } 515 return 1; 516} 517 518static void 519ct_bus_dma_mem_free (ct_dma_mem_t *dmem) 520{ 521 bus_dmamap_unload (dmem->dmat, dmem->mapp); 522 bus_dmamem_free (dmem->dmat, dmem->virt, dmem->mapp); 523 bus_dma_tag_destroy (dmem->dmat); 524} 525 526/* 527 * The adapter is present, initialize the driver structures. 528 */ 529static int ct_attach (device_t dev) 530{ 531 bdrv_t *bd = device_get_softc (dev); 532 rman_res_t iobase, drq, irq, rescount; 533 int unit = device_get_unit (dev); 534 char *ct_ln = CT_LOCK_NAME; 535 ct_board_t *b; 536 ct_chan_t *c; 537 drv_t *d; 538 int i; 539 int s; 540 541 KASSERT ((bd != NULL), ("ct%d: NULL device softc\n", unit)); 542 543 bus_get_resource (dev, SYS_RES_IOPORT, 0, &iobase, &rescount); 544 bd->base_rid = 0; 545 bd->base_res = bus_alloc_resource (dev, SYS_RES_IOPORT, &bd->base_rid, 546 iobase, iobase + NPORT, NPORT, RF_ACTIVE); 547 if (! bd->base_res) { 548 printf ("ct%d: cannot alloc base address\n", unit); 549 return ENXIO; 550 } 551 552 if (bus_get_resource (dev, SYS_RES_DRQ, 0, &drq, &rescount) != 0) { 553 for (i = 0; (drq = dmatab [i]) != 0; i++) { 554 if (!ct_is_free_res (dev, 0, SYS_RES_DRQ, 555 drq, drq + 1, 1)) 556 continue; 557 bus_set_resource (dev, SYS_RES_DRQ, 0, drq, 1); 558 break; 559 } 560 561 if (dmatab[i] == 0) { 562 bus_release_resource (dev, SYS_RES_IOPORT, bd->base_rid, 563 bd->base_res); 564 printf ("ct%d: Couldn't get DRQ\n", unit); 565 return ENXIO; 566 } 567 } 568 569 bd->drq_rid = 0; 570 bd->drq_res = bus_alloc_resource (dev, SYS_RES_DRQ, &bd->drq_rid, 571 drq, drq + 1, 1, RF_ACTIVE); 572 if (! bd->drq_res) { 573 printf ("ct%d: cannot allocate drq\n", unit); 574 bus_release_resource (dev, SYS_RES_IOPORT, bd->base_rid, 575 bd->base_res); 576 return ENXIO; 577 } 578 579 if (bus_get_resource (dev, SYS_RES_IRQ, 0, &irq, &rescount) != 0) { 580 for (i = 0; (irq = irqtab [i]) != 0; i++) { 581 if (!ct_is_free_res (dev, 0, SYS_RES_IRQ, 582 irq, irq + 1, 1)) 583 continue; 584 bus_set_resource (dev, SYS_RES_IRQ, 0, irq, 1); 585 break; 586 } 587 588 if (irqtab[i] == 0) { 589 bus_release_resource (dev, SYS_RES_DRQ, bd->drq_rid, 590 bd->drq_res); 591 bus_release_resource (dev, SYS_RES_IOPORT, bd->base_rid, 592 bd->base_res); 593 printf ("ct%d: Couldn't get IRQ\n", unit); 594 return ENXIO; 595 } 596 } 597 598 bd->irq_rid = 0; 599 bd->irq_res = bus_alloc_resource (dev, SYS_RES_IRQ, &bd->irq_rid, 600 irq, irq + 1, 1, RF_ACTIVE); 601 if (! bd->irq_res) { 602 printf ("ct%d: Couldn't allocate irq\n", unit); 603 bus_release_resource (dev, SYS_RES_DRQ, bd->drq_rid, 604 bd->drq_res); 605 bus_release_resource (dev, SYS_RES_IOPORT, bd->base_rid, 606 bd->base_res); 607 return ENXIO; 608 } 609 610 b = malloc (sizeof (ct_board_t), M_DEVBUF, M_WAITOK); 611 if (!b) { 612 printf ("ct:%d: Couldn't allocate memory\n", unit); 613 return (ENXIO); 614 } 615 adapter[unit] = b; 616 bzero (b, sizeof(ct_board_t)); 617 618 if (! ct_open_board (b, unit, iobase, irq, drq)) { 619 printf ("ct%d: error loading firmware\n", unit); 620 free (b, M_DEVBUF); 621 bus_release_resource (dev, SYS_RES_IRQ, bd->irq_rid, 622 bd->irq_res); 623 bus_release_resource (dev, SYS_RES_DRQ, bd->drq_rid, 624 bd->drq_res); 625 bus_release_resource (dev, SYS_RES_IOPORT, bd->base_rid, 626 bd->base_res); 627 return ENXIO; 628 } 629 630 bd->board = b; 631 632 ct_ln[2] = '0' + unit; 633 mtx_init (&bd->ct_mtx, ct_ln, MTX_NETWORK_LOCK, MTX_DEF|MTX_RECURSE); 634 if (! probe_irq (b, irq)) { 635 printf ("ct%d: irq %jd not functional\n", unit, irq); 636 bd->board = 0; 637 adapter [unit] = 0; 638 free (b, M_DEVBUF); 639 bus_release_resource (dev, SYS_RES_IRQ, bd->irq_rid, 640 bd->irq_res); 641 bus_release_resource (dev, SYS_RES_DRQ, bd->drq_rid, 642 bd->drq_res); 643 bus_release_resource (dev, SYS_RES_IOPORT, bd->base_rid, 644 bd->base_res); 645 mtx_destroy (&bd->ct_mtx); 646 return ENXIO; 647 } 648 649 callout_init (&led_timo[unit], 1); 650 s = splimp (); 651 if (bus_setup_intr (dev, bd->irq_res, 652 INTR_TYPE_NET|INTR_MPSAFE, 653 NULL, ct_intr, bd, &bd->intrhand)) { 654 printf ("ct%d: Can't setup irq %jd\n", unit, irq); 655 bd->board = 0; 656 adapter [unit] = 0; 657 free (b, M_DEVBUF); 658 bus_release_resource (dev, SYS_RES_IRQ, bd->irq_rid, 659 bd->irq_res); 660 bus_release_resource (dev, SYS_RES_DRQ, bd->drq_rid, 661 bd->drq_res); 662 bus_release_resource (dev, SYS_RES_IOPORT, bd->base_rid, 663 bd->base_res); 664 mtx_destroy (&bd->ct_mtx); 665 splx (s); 666 return ENXIO; 667 } 668 669 CT_LOCK (bd); 670 ct_init_board (b, b->num, b->port, irq, drq, b->type, b->osc); 671 ct_setup_board (b, 0, 0, 0); 672 CT_UNLOCK (bd); 673 674 printf ("ct%d: <Cronyx-%s>, clock %s MHz\n", b->num, b->name, 675 b->osc == 20000000 ? "20" : "16.384"); 676 677 for (c = b->chan; c < b->chan + NCHAN; ++c) { 678 d = &bd->channel[c->num]; 679 d->dmamem.size = sizeof(ct_buf_t); 680 if (! ct_bus_dma_mem_alloc (unit, c->num, &d->dmamem)) 681 continue; 682 d->board = b; 683 d->chan = c; 684 d->bd = bd; 685 c->sys = d; 686 channel [b->num*NCHAN + c->num] = d; 687 sprintf (d->name, "ct%d.%d", b->num, c->num); 688 callout_init (&d->timeout_handle, 1); 689 690#ifdef NETGRAPH 691 if (ng_make_node_common (&typestruct, &d->node) != 0) { 692 printf ("%s: cannot make common node\n", d->name); 693 channel [b->num*NCHAN + c->num] = 0; 694 c->sys = 0; 695 ct_bus_dma_mem_free (&d->dmamem); 696 continue; 697 } 698 NG_NODE_SET_PRIVATE (d->node, d); 699 sprintf (d->nodename, "%s%d", NG_CT_NODE_TYPE, 700 c->board->num*NCHAN + c->num); 701 if (ng_name_node (d->node, d->nodename)) { 702 printf ("%s: cannot name node\n", d->nodename); 703 NG_NODE_UNREF (d->node); 704 channel [b->num*NCHAN + c->num] = 0; 705 c->sys = 0; 706 ct_bus_dma_mem_free (&d->dmamem); 707 continue; 708 } 709 d->queue.ifq_maxlen = ifqmaxlen; 710 d->hi_queue.ifq_maxlen = ifqmaxlen; 711 mtx_init (&d->queue.ifq_mtx, "ct_queue", NULL, MTX_DEF); 712 mtx_init (&d->hi_queue.ifq_mtx, "ct_queue_hi", NULL, MTX_DEF); 713#else /*NETGRAPH*/ 714 d->ifp = if_alloc(IFT_PPP); 715 if (d->ifp == NULL) { 716 printf ("%s: cannot if_alloc common interface\n", 717 d->name); 718 channel [b->num*NCHAN + c->num] = 0; 719 c->sys = 0; 720 ct_bus_dma_mem_free (&d->dmamem); 721 continue; 722 } 723 d->ifp->if_softc = d; 724 if_initname (d->ifp, "ct", b->num * NCHAN + c->num); 725 d->ifp->if_mtu = PP_MTU; 726 d->ifp->if_flags = IFF_POINTOPOINT | IFF_MULTICAST; 727 d->ifp->if_ioctl = ct_sioctl; 728 d->ifp->if_start = ct_ifstart; 729 d->ifp->if_init = ct_initialize; 730 d->queue.ifq_maxlen = NBUF; 731 mtx_init (&d->queue.ifq_mtx, "ct_queue", NULL, MTX_DEF); 732 sppp_attach (d->ifp); 733 if_attach (d->ifp); 734 IFP2SP(d->ifp)->pp_tlf = ct_tlf; 735 IFP2SP(d->ifp)->pp_tls = ct_tls; 736 /* If BPF is in the kernel, call the attach for it. 737 * Header size is 4 bytes. */ 738 bpfattach (d->ifp, DLT_PPP, 4); 739#endif /*NETGRAPH*/ 740 CT_LOCK (bd); 741 ct_start_chan (c, d->dmamem.virt, d->dmamem.phys); 742 ct_register_receive (c, &ct_receive); 743 ct_register_transmit (c, &ct_transmit); 744 ct_register_error (c, &ct_error); 745 CT_UNLOCK (bd); 746 d->devt = make_dev (&ct_cdevsw, b->num*NCHAN+c->num, UID_ROOT, 747 GID_WHEEL, 0600, "ct%d", b->num*NCHAN+c->num); 748 } 749 splx (s); 750 751 return 0; 752} 753 754static int ct_detach (device_t dev) 755{ 756 bdrv_t *bd = device_get_softc (dev); 757 ct_board_t *b = bd->board; 758 ct_chan_t *c; 759 int s; 760 761 KASSERT (mtx_initialized (&bd->ct_mtx), ("ct mutex not initialized")); 762 763 s = splimp (); 764 CT_LOCK (bd); 765 /* Check if the device is busy (open). */ 766 for (c = b->chan; c < b->chan + NCHAN; ++c) { 767 drv_t *d = (drv_t*) c->sys; 768 769 if (!d || !d->chan->type) 770 continue; 771 772 if (d->running) { 773 CT_UNLOCK (bd); 774 splx (s); 775 return EBUSY; 776 } 777 } 778 779 /* Deactivate the timeout routine. */ 780 callout_stop (&led_timo[b->num]); 781 782 CT_UNLOCK (bd); 783 784 bus_teardown_intr (dev, bd->irq_res, bd->intrhand); 785 bus_release_resource (dev, SYS_RES_IRQ, bd->irq_rid, bd->irq_res); 786 787 bus_release_resource (dev, SYS_RES_DRQ, bd->drq_rid, bd->drq_res); 788 789 bus_release_resource (dev, SYS_RES_IOPORT, bd->base_rid, bd->base_res); 790 791 CT_LOCK (bd); 792 ct_close_board (b); 793 CT_UNLOCK (bd); 794 795 /* Detach the interfaces, free buffer memory. */ 796 for (c = b->chan; c < b->chan + NCHAN; ++c) { 797 drv_t *d = (drv_t*) c->sys; 798 799 if (!d || !d->chan->type) 800 continue; 801 802 callout_stop (&d->timeout_handle); 803#ifdef NETGRAPH 804 if (d->node) { 805 ng_rmnode_self (d->node); 806 NG_NODE_UNREF (d->node); 807 d->node = NULL; 808 } 809 mtx_destroy (&d->queue.ifq_mtx); 810 mtx_destroy (&d->hi_queue.ifq_mtx); 811#else 812 /* Detach from the packet filter list of interfaces. */ 813 bpfdetach (d->ifp); 814 815 /* Detach from the sync PPP list. */ 816 sppp_detach (d->ifp); 817 818 if_detach (d->ifp); 819 if_free (d->ifp); 820 IF_DRAIN (&d->queue); 821 mtx_destroy (&d->queue.ifq_mtx); 822#endif 823 destroy_dev (d->devt); 824 } 825 826 CT_LOCK (bd); 827 ct_led_off (b); 828 CT_UNLOCK (bd); 829 callout_drain (&led_timo[b->num]); 830 splx (s); 831 832 for (c = b->chan; c < b->chan + NCHAN; ++c) { 833 drv_t *d = (drv_t*) c->sys; 834 835 if (!d || !d->chan->type) 836 continue; 837 callout_drain(&d->timeout_handle); 838 839 /* Deallocate buffers. */ 840 ct_bus_dma_mem_free (&d->dmamem); 841 } 842 bd->board = NULL; 843 adapter [b->num] = NULL; 844 free (b, M_DEVBUF); 845 846 mtx_destroy (&bd->ct_mtx); 847 848 return 0; 849} 850 851#ifndef NETGRAPH 852static void ct_ifstart (struct ifnet *ifp) 853{ 854 drv_t *d = ifp->if_softc; 855 bdrv_t *bd = d->bd; 856 857 CT_LOCK (bd); 858 ct_start (d); 859 CT_UNLOCK (bd); 860} 861 862static void ct_tlf (struct sppp *sp) 863{ 864 drv_t *d = SP2IFP(sp)->if_softc; 865 866 CT_DEBUG (d, ("ct_tlf\n")); 867/* ct_set_dtr (d->chan, 0);*/ 868/* ct_set_rts (d->chan, 0);*/ 869 if (!(sp->pp_flags & PP_FR) && !(d->ifp->if_flags & PP_CISCO)) 870 sp->pp_down (sp); 871} 872 873static void ct_tls (struct sppp *sp) 874{ 875 drv_t *d = SP2IFP(sp)->if_softc; 876 877 CT_DEBUG (d, ("ct_tls\n")); 878 if (!(sp->pp_flags & PP_FR) && !(d->ifp->if_flags & PP_CISCO)) 879 sp->pp_up (sp); 880} 881 882/* 883 * Initialization of interface. 884 * Ii seems to be never called by upper level. 885 */ 886static void ct_initialize (void *softc) 887{ 888 drv_t *d = softc; 889 890 CT_DEBUG (d, ("ct_initialize\n")); 891} 892 893/* 894 * Process an ioctl request. 895 */ 896static int ct_sioctl (struct ifnet *ifp, u_long cmd, caddr_t data) 897{ 898 drv_t *d = ifp->if_softc; 899 bdrv_t *bd = d->bd; 900 int error, s, was_up, should_be_up; 901 902 was_up = (ifp->if_drv_flags & IFF_DRV_RUNNING) != 0; 903 error = sppp_ioctl (ifp, cmd, data); 904 if (error) 905 return error; 906 907 if (! (ifp->if_flags & IFF_DEBUG)) 908 d->chan->debug = 0; 909 else 910 d->chan->debug = d->chan->debug_shadow; 911 912 switch (cmd) { 913 default: CT_DEBUG2 (d, ("ioctl 0x%lx\n", cmd)); return 0; 914 case SIOCADDMULTI: CT_DEBUG2 (d, ("SIOCADDMULTI\n")); return 0; 915 case SIOCDELMULTI: CT_DEBUG2 (d, ("SIOCDELMULTI\n")); return 0; 916 case SIOCSIFFLAGS: CT_DEBUG2 (d, ("SIOCSIFFLAGS\n")); break; 917 case SIOCSIFADDR: CT_DEBUG2 (d, ("SIOCSIFADDR\n")); break; 918 } 919 920 /* We get here only in case of SIFFLAGS or SIFADDR. */ 921 s = splimp (); 922 CT_LOCK (bd); 923 should_be_up = (ifp->if_drv_flags & IFF_DRV_RUNNING) != 0; 924 if (! was_up && should_be_up) { 925 /* Interface goes up -- start it. */ 926 ct_up (d); 927 ct_start (d); 928 } else if (was_up && ! should_be_up) { 929 /* Interface is going down -- stop it. */ 930 /* if ((IFP2SP(d->ifp)->pp_flags & PP_FR) || (ifp->if_flags & PP_CISCO))*/ 931 ct_down (d); 932 } 933 CT_UNLOCK (bd); 934 splx (s); 935 return 0; 936} 937#endif /*NETGRAPH*/ 938 939/* 940 * Stop the interface. Called on splimp(). 941 */ 942static void ct_down (drv_t *d) 943{ 944 int s = splimp (); 945 CT_DEBUG (d, ("ct_down\n")); 946 ct_set_dtr (d->chan, 0); 947 ct_set_rts (d->chan, 0); 948 d->running = 0; 949 callout_stop (&d->timeout_handle); 950 splx (s); 951} 952 953/* 954 * Start the interface. Called on splimp(). 955 */ 956static void ct_up (drv_t *d) 957{ 958 int s = splimp (); 959 CT_DEBUG (d, ("ct_up\n")); 960 ct_set_dtr (d->chan, 1); 961 ct_set_rts (d->chan, 1); 962 d->running = 1; 963 splx (s); 964} 965 966/* 967 * Start output on the (slave) interface. Get another datagram to send 968 * off of the interface queue, and copy it to the interface 969 * before starting the output. 970 */ 971static void ct_send (drv_t *d) 972{ 973 struct mbuf *m; 974 u_short len; 975 976 CT_DEBUG2 (d, ("ct_send, tn=%d\n", d->chan->tn)); 977 978 /* No output if the interface is down. */ 979 if (! d->running) 980 return; 981 982 /* No output if the modem is off. */ 983 if (! ct_get_dsr (d->chan) && !ct_get_loop (d->chan)) 984 return; 985 986 while (ct_buf_free (d->chan)) { 987 /* Get the packet to send. */ 988#ifdef NETGRAPH 989 IF_DEQUEUE (&d->hi_queue, m); 990 if (! m) 991 IF_DEQUEUE (&d->queue, m); 992#else 993 m = sppp_dequeue (d->ifp); 994#endif 995 if (! m) 996 return; 997#ifndef NETGRAPH 998 BPF_MTAP (d->ifp, m); 999#endif 1000 len = m_length (m, NULL); 1001 if (! m->m_next) 1002 ct_send_packet (d->chan, (u_char*)mtod (m, caddr_t), 1003 len, 0); 1004 else { 1005 m_copydata (m, 0, len, d->chan->tbuf[d->chan->te]); 1006 ct_send_packet (d->chan, d->chan->tbuf[d->chan->te], 1007 len, 0); 1008 } 1009 m_freem (m); 1010 1011 /* Set up transmit timeout, if the transmit ring is not empty. 1012 * Transmit timeout is 10 seconds. */ 1013 d->timeout = 10; 1014 } 1015#ifndef NETGRAPH 1016 d->ifp->if_drv_flags |= IFF_DRV_OACTIVE; 1017#endif 1018} 1019 1020/* 1021 * Start output on the interface. 1022 * Always called on splimp(). 1023 */ 1024static void ct_start (drv_t *d) 1025{ 1026 int s = splimp (); 1027 1028 if (d->running) { 1029 if (! d->chan->dtr) 1030 ct_set_dtr (d->chan, 1); 1031 if (! d->chan->rts) 1032 ct_set_rts (d->chan, 1); 1033 ct_send (d); 1034 callout_reset (&d->timeout_handle, hz, ct_watchdog_timer, d); 1035 } 1036 1037 splx (s); 1038} 1039 1040/* 1041 * Handle transmit timeouts. 1042 * Recover after lost transmit interrupts. 1043 * Always called on splimp(). 1044 */ 1045static void ct_watchdog (drv_t *d) 1046{ 1047 1048 CT_DEBUG (d, ("device timeout\n")); 1049 if (d->running) { 1050 ct_setup_chan (d->chan); 1051 ct_start_chan (d->chan, 0, 0); 1052 ct_set_dtr (d->chan, 1); 1053 ct_set_rts (d->chan, 1); 1054 ct_start (d); 1055 } 1056} 1057 1058static void ct_watchdog_timer (void *arg) 1059{ 1060 drv_t *d = arg; 1061 bdrv_t *bd = d->bd; 1062 1063 CT_LOCK (bd); 1064 if (d->timeout == 1) 1065 ct_watchdog (d); 1066 if (d->timeout) 1067 d->timeout--; 1068 callout_reset (&d->timeout_handle, hz, ct_watchdog_timer, d); 1069 CT_UNLOCK (bd); 1070} 1071 1072/* 1073 * Transmit callback function. 1074 */ 1075static void ct_transmit (ct_chan_t *c, void *attachment, int len) 1076{ 1077 drv_t *d = c->sys; 1078 1079 if (!d) 1080 return; 1081 d->timeout = 0; 1082#ifndef NETGRAPH 1083 if_inc_counter(d->ifp, IFCOUNTER_OPACKETS, 1); 1084 d->ifp->if_drv_flags &= ~IFF_DRV_OACTIVE; 1085#endif 1086 ct_start (d); 1087} 1088 1089/* 1090 * Process the received packet. 1091 */ 1092static void ct_receive (ct_chan_t *c, char *data, int len) 1093{ 1094 drv_t *d = c->sys; 1095 struct mbuf *m; 1096#ifdef NETGRAPH 1097 int error; 1098#endif 1099 1100 if (!d || !d->running) 1101 return; 1102 1103 m = makembuf (data, len); 1104 if (! m) { 1105 CT_DEBUG (d, ("no memory for packet\n")); 1106#ifndef NETGRAPH 1107 if_inc_counter(d->ifp, IFCOUNTER_IQDROPS, 1); 1108#endif 1109 return; 1110 } 1111 if (c->debug > 1) 1112 m_print (m, 0); 1113#ifdef NETGRAPH 1114 m->m_pkthdr.rcvif = 0; 1115 NG_SEND_DATA_ONLY (error, d->hook, m); 1116#else 1117 if_inc_counter(d->ifp, IFCOUNTER_IPACKETS, 1); 1118 m->m_pkthdr.rcvif = d->ifp; 1119 /* Check if there's a BPF listener on this interface. 1120 * If so, hand off the raw packet to bpf. */ 1121 BPF_MTAP(d->ifp, m); 1122 IF_ENQUEUE (&d->queue, m); 1123#endif 1124} 1125 1126/* 1127 * Error callback function. 1128 */ 1129static void ct_error (ct_chan_t *c, int data) 1130{ 1131 drv_t *d = c->sys; 1132 1133 if (!d) 1134 return; 1135 1136 switch (data) { 1137 case CT_FRAME: 1138 CT_DEBUG (d, ("frame error\n")); 1139#ifndef NETGRAPH 1140 if_inc_counter(d->ifp, IFCOUNTER_IERRORS, 1); 1141#endif 1142 break; 1143 case CT_CRC: 1144 CT_DEBUG (d, ("crc error\n")); 1145#ifndef NETGRAPH 1146 if_inc_counter(d->ifp, IFCOUNTER_IERRORS, 1); 1147#endif 1148 break; 1149 case CT_OVERRUN: 1150 CT_DEBUG (d, ("overrun error\n")); 1151#ifndef NETGRAPH 1152 if_inc_counter(d->ifp, IFCOUNTER_COLLISIONS, 1); 1153 if_inc_counter(d->ifp, IFCOUNTER_IERRORS, 1); 1154#endif 1155 break; 1156 case CT_OVERFLOW: 1157 CT_DEBUG (d, ("overflow error\n")); 1158#ifndef NETGRAPH 1159 if_inc_counter(d->ifp, IFCOUNTER_IERRORS, 1); 1160#endif 1161 break; 1162 case CT_UNDERRUN: 1163 CT_DEBUG (d, ("underrun error\n")); 1164 d->timeout = 0; 1165#ifndef NETGRAPH 1166 if_inc_counter(d->ifp, IFCOUNTER_OERRORS, 1); 1167 d->ifp->if_drv_flags &= ~IFF_DRV_OACTIVE; 1168#endif 1169 ct_start (d); 1170 break; 1171 default: 1172 CT_DEBUG (d, ("error #%d\n", data)); 1173 } 1174} 1175 1176static int ct_open (struct cdev *dev, int oflags, int devtype, struct thread *td) 1177{ 1178 drv_t *d; 1179 1180 if (dev2unit(dev) >= NCTAU*NCHAN || ! (d = channel[dev2unit(dev)])) 1181 return ENXIO; 1182 1183 CT_DEBUG2 (d, ("ct_open\n")); 1184 return 0; 1185} 1186 1187static int ct_close (struct cdev *dev, int fflag, int devtype, struct thread *td) 1188{ 1189 drv_t *d = channel [dev2unit(dev)]; 1190 1191 if (!d) 1192 return 0; 1193 1194 CT_DEBUG2 (d, ("ct_close\n")); 1195 return 0; 1196} 1197 1198static int ct_modem_status (ct_chan_t *c) 1199{ 1200 drv_t *d = c->sys; 1201 bdrv_t *bd; 1202 int status, s; 1203 1204 if (!d) 1205 return 0; 1206 1207 bd = d->bd; 1208 1209 status = d->running ? TIOCM_LE : 0; 1210 s = splimp (); 1211 CT_LOCK (bd); 1212 if (ct_get_cd (c)) status |= TIOCM_CD; 1213 if (ct_get_cts (c)) status |= TIOCM_CTS; 1214 if (ct_get_dsr (c)) status |= TIOCM_DSR; 1215 if (c->dtr) status |= TIOCM_DTR; 1216 if (c->rts) status |= TIOCM_RTS; 1217 CT_UNLOCK (bd); 1218 splx (s); 1219 return status; 1220} 1221 1222/* 1223 * Process an ioctl request on /dev/cronyx/ctauN. 1224 */ 1225static int ct_ioctl (struct cdev *dev, u_long cmd, caddr_t data, int flag, struct thread *td) 1226{ 1227 drv_t *d = channel [dev2unit (dev)]; 1228 bdrv_t *bd; 1229 ct_chan_t *c; 1230 struct serial_statistics *st; 1231 struct e1_statistics *opte1; 1232 int error, s; 1233 char mask[16]; 1234 1235 if (!d || !d->chan) 1236 return 0; 1237 1238 bd = d->bd; 1239 c = d->chan; 1240 1241 switch (cmd) { 1242 case SERIAL_GETREGISTERED: 1243 bzero (mask, sizeof(mask)); 1244 for (s=0; s<NCTAU*NCHAN; ++s) 1245 if (channel [s]) 1246 mask [s/8] |= 1 << (s & 7); 1247 bcopy (mask, data, sizeof (mask)); 1248 return 0; 1249 1250#ifndef NETGRAPH 1251 case SERIAL_GETPROTO: 1252 strcpy ((char*)data, (IFP2SP(d->ifp)->pp_flags & PP_FR) ? "fr" : 1253 (d->ifp->if_flags & PP_CISCO) ? "cisco" : "ppp"); 1254 return 0; 1255 1256 case SERIAL_SETPROTO: 1257 /* Only for superuser! */ 1258 error = priv_check (td, PRIV_DRIVER); 1259 if (error) 1260 return error; 1261 if (d->ifp->if_drv_flags & IFF_DRV_RUNNING) 1262 return EBUSY; 1263 if (! strcmp ("cisco", (char*)data)) { 1264 IFP2SP(d->ifp)->pp_flags &= ~(PP_FR); 1265 IFP2SP(d->ifp)->pp_flags |= PP_KEEPALIVE; 1266 d->ifp->if_flags |= PP_CISCO; 1267 } else if (! strcmp ("fr", (char*)data)) { 1268 d->ifp->if_flags &= ~(PP_CISCO); 1269 IFP2SP(d->ifp)->pp_flags |= PP_FR | PP_KEEPALIVE; 1270 } else if (! strcmp ("ppp", (char*)data)) { 1271 IFP2SP(d->ifp)->pp_flags &= ~(PP_FR | PP_KEEPALIVE); 1272 d->ifp->if_flags &= ~(PP_CISCO); 1273 } else 1274 return EINVAL; 1275 return 0; 1276 1277 case SERIAL_GETKEEPALIVE: 1278 if ((IFP2SP(d->ifp)->pp_flags & PP_FR) || 1279 (d->ifp->if_flags & PP_CISCO)) 1280 return EINVAL; 1281 *(int*)data = (IFP2SP(d->ifp)->pp_flags & PP_KEEPALIVE) ? 1 : 0; 1282 return 0; 1283 1284 case SERIAL_SETKEEPALIVE: 1285 /* Only for superuser! */ 1286 error = priv_check (td, PRIV_DRIVER); 1287 if (error) 1288 return error; 1289 if ((IFP2SP(d->ifp)->pp_flags & PP_FR) || 1290 (d->ifp->if_flags & PP_CISCO)) 1291 return EINVAL; 1292 if (*(int*)data) 1293 IFP2SP(d->ifp)->pp_flags |= PP_KEEPALIVE; 1294 else 1295 IFP2SP(d->ifp)->pp_flags &= ~PP_KEEPALIVE; 1296 return 0; 1297#endif /*NETGRAPH*/ 1298 1299 case SERIAL_GETMODE: 1300 *(int*)data = SERIAL_HDLC; 1301 return 0; 1302 1303 case SERIAL_GETCFG: 1304 if (c->mode == M_HDLC) 1305 return EINVAL; 1306 switch (ct_get_config (c->board)) { 1307 default: *(char*)data = 'a'; break; 1308 case CFG_B: *(char*)data = 'b'; break; 1309 case CFG_C: *(char*)data = 'c'; break; 1310 } 1311 return 0; 1312 1313 case SERIAL_SETCFG: 1314 /* Only for superuser! */ 1315 error = priv_check (td, PRIV_DRIVER); 1316 if (error) 1317 return error; 1318 if (c->mode == M_HDLC) 1319 return EINVAL; 1320 s = splimp (); 1321 CT_LOCK (bd); 1322 switch (*(char*)data) { 1323 case 'a': ct_set_config (c->board, CFG_A); break; 1324 case 'b': ct_set_config (c->board, CFG_B); break; 1325 case 'c': ct_set_config (c->board, CFG_C); break; 1326 } 1327 CT_UNLOCK (bd); 1328 splx (s); 1329 return 0; 1330 1331 case SERIAL_GETSTAT: 1332 st = (struct serial_statistics*) data; 1333 st->rintr = c->rintr; 1334 st->tintr = c->tintr; 1335 st->mintr = c->mintr; 1336 st->ibytes = c->ibytes; 1337 st->ipkts = c->ipkts; 1338 st->ierrs = c->ierrs; 1339 st->obytes = c->obytes; 1340 st->opkts = c->opkts; 1341 st->oerrs = c->oerrs; 1342 return 0; 1343 1344 case SERIAL_GETESTAT: 1345 opte1 = (struct e1_statistics*)data; 1346 opte1->status = c->status; 1347 opte1->cursec = c->cursec; 1348 opte1->totsec = c->totsec + c->cursec; 1349 1350 opte1->currnt.bpv = c->currnt.bpv; 1351 opte1->currnt.fse = c->currnt.fse; 1352 opte1->currnt.crce = c->currnt.crce; 1353 opte1->currnt.rcrce = c->currnt.rcrce; 1354 opte1->currnt.uas = c->currnt.uas; 1355 opte1->currnt.les = c->currnt.les; 1356 opte1->currnt.es = c->currnt.es; 1357 opte1->currnt.bes = c->currnt.bes; 1358 opte1->currnt.ses = c->currnt.ses; 1359 opte1->currnt.oofs = c->currnt.oofs; 1360 opte1->currnt.css = c->currnt.css; 1361 opte1->currnt.dm = c->currnt.dm; 1362 1363 opte1->total.bpv = c->total.bpv + c->currnt.bpv; 1364 opte1->total.fse = c->total.fse + c->currnt.fse; 1365 opte1->total.crce = c->total.crce + c->currnt.crce; 1366 opte1->total.rcrce = c->total.rcrce + c->currnt.rcrce; 1367 opte1->total.uas = c->total.uas + c->currnt.uas; 1368 opte1->total.les = c->total.les + c->currnt.les; 1369 opte1->total.es = c->total.es + c->currnt.es; 1370 opte1->total.bes = c->total.bes + c->currnt.bes; 1371 opte1->total.ses = c->total.ses + c->currnt.ses; 1372 opte1->total.oofs = c->total.oofs + c->currnt.oofs; 1373 opte1->total.css = c->total.css + c->currnt.css; 1374 opte1->total.dm = c->total.dm + c->currnt.dm; 1375 for (s=0; s<48; ++s) { 1376 opte1->interval[s].bpv = c->interval[s].bpv; 1377 opte1->interval[s].fse = c->interval[s].fse; 1378 opte1->interval[s].crce = c->interval[s].crce; 1379 opte1->interval[s].rcrce = c->interval[s].rcrce; 1380 opte1->interval[s].uas = c->interval[s].uas; 1381 opte1->interval[s].les = c->interval[s].les; 1382 opte1->interval[s].es = c->interval[s].es; 1383 opte1->interval[s].bes = c->interval[s].bes; 1384 opte1->interval[s].ses = c->interval[s].ses; 1385 opte1->interval[s].oofs = c->interval[s].oofs; 1386 opte1->interval[s].css = c->interval[s].css; 1387 opte1->interval[s].dm = c->interval[s].dm; 1388 } 1389 return 0; 1390 1391 case SERIAL_CLRSTAT: 1392 /* Only for superuser! */ 1393 error = priv_check (td, PRIV_DRIVER); 1394 if (error) 1395 return error; 1396 c->rintr = 0; 1397 c->tintr = 0; 1398 c->mintr = 0; 1399 c->ibytes = 0; 1400 c->ipkts = 0; 1401 c->ierrs = 0; 1402 c->obytes = 0; 1403 c->opkts = 0; 1404 c->oerrs = 0; 1405 bzero (&c->currnt, sizeof (c->currnt)); 1406 bzero (&c->total, sizeof (c->total)); 1407 bzero (c->interval, sizeof (c->interval)); 1408 return 0; 1409 1410 case SERIAL_GETBAUD: 1411 *(long*)data = ct_get_baud(c); 1412 return 0; 1413 1414 case SERIAL_SETBAUD: 1415 /* Only for superuser! */ 1416 error = priv_check (td, PRIV_DRIVER); 1417 if (error) 1418 return error; 1419 s = splimp (); 1420 CT_LOCK (bd); 1421 ct_set_baud (c, *(long*)data); 1422 CT_UNLOCK (bd); 1423 splx (s); 1424 return 0; 1425 1426 case SERIAL_GETLOOP: 1427 *(int*)data = ct_get_loop (c); 1428 return 0; 1429 1430 case SERIAL_SETLOOP: 1431 /* Only for superuser! */ 1432 error = priv_check (td, PRIV_DRIVER); 1433 if (error) 1434 return error; 1435 s = splimp (); 1436 CT_LOCK (bd); 1437 ct_set_loop (c, *(int*)data); 1438 CT_UNLOCK (bd); 1439 splx (s); 1440 return 0; 1441 1442 case SERIAL_GETDPLL: 1443 if (c->mode == M_E1 || c->mode == M_G703) 1444 return EINVAL; 1445 *(int*)data = ct_get_dpll (c); 1446 return 0; 1447 1448 case SERIAL_SETDPLL: 1449 /* Only for superuser! */ 1450 error = priv_check (td, PRIV_DRIVER); 1451 if (error) 1452 return error; 1453 if (c->mode == M_E1 || c->mode == M_G703) 1454 return EINVAL; 1455 s = splimp (); 1456 CT_LOCK (bd); 1457 ct_set_dpll (c, *(int*)data); 1458 CT_UNLOCK (bd); 1459 splx (s); 1460 return 0; 1461 1462 case SERIAL_GETNRZI: 1463 if (c->mode == M_E1 || c->mode == M_G703) 1464 return EINVAL; 1465 *(int*)data = ct_get_nrzi (c); 1466 return 0; 1467 1468 case SERIAL_SETNRZI: 1469 /* Only for superuser! */ 1470 error = priv_check (td, PRIV_DRIVER); 1471 if (error) 1472 return error; 1473 if (c->mode == M_E1 || c->mode == M_G703) 1474 return EINVAL; 1475 s = splimp (); 1476 CT_LOCK (bd); 1477 ct_set_nrzi (c, *(int*)data); 1478 CT_UNLOCK (bd); 1479 splx (s); 1480 return 0; 1481 1482 case SERIAL_GETDEBUG: 1483 *(int*)data = c->debug; 1484 return 0; 1485 1486 case SERIAL_SETDEBUG: 1487 /* Only for superuser! */ 1488 error = priv_check (td, PRIV_DRIVER); 1489 if (error) 1490 return error; 1491#ifndef NETGRAPH 1492 /* 1493 * The debug_shadow is always greater than zero for logic 1494 * simplicity. For switching debug off the IFF_DEBUG is 1495 * responsible. 1496 */ 1497 c->debug_shadow = (*(int*)data) ? (*(int*)data) : 1; 1498 if (d->ifp->if_flags & IFF_DEBUG) 1499 c->debug = c->debug_shadow; 1500#else 1501 c->debug = *(int*)data; 1502#endif 1503 return 0; 1504 1505 case SERIAL_GETHIGAIN: 1506 if (c->mode != M_E1) 1507 return EINVAL; 1508 *(int*)data = ct_get_higain (c); 1509 return 0; 1510 1511 case SERIAL_SETHIGAIN: 1512 /* Only for superuser! */ 1513 error = priv_check (td, PRIV_DRIVER); 1514 if (error) 1515 return error; 1516 s = splimp (); 1517 CT_LOCK (bd); 1518 ct_set_higain (c, *(int*)data); 1519 CT_UNLOCK (bd); 1520 splx (s); 1521 return 0; 1522 1523 case SERIAL_GETPHONY: 1524 CT_DEBUG2 (d, ("ioctl: getphony\n")); 1525 if (c->mode != M_E1) 1526 return EINVAL; 1527 *(int*)data = c->gopt.phony; 1528 return 0; 1529 1530 case SERIAL_SETPHONY: 1531 CT_DEBUG2 (d, ("ioctl: setphony\n")); 1532 if (c->mode != M_E1) 1533 return EINVAL; 1534 /* Only for superuser! */ 1535 error = priv_check (td, PRIV_DRIVER); 1536 if (error) 1537 return error; 1538 s = splimp (); 1539 CT_LOCK (bd); 1540 ct_set_phony (c, *(int*)data); 1541 CT_UNLOCK (bd); 1542 splx (s); 1543 return 0; 1544 1545 case SERIAL_GETCLK: 1546 if (c->mode != M_E1 && c->mode != M_G703) 1547 return EINVAL; 1548 switch (ct_get_clk(c)) { 1549 default: *(int*)data = E1CLK_INTERNAL; break; 1550 case GCLK_RCV: *(int*)data = E1CLK_RECEIVE; break; 1551 case GCLK_RCLKO: *(int*)data = c->num ? 1552 E1CLK_RECEIVE_CHAN0 : E1CLK_RECEIVE_CHAN1; break; 1553 } 1554 return 0; 1555 1556 case SERIAL_SETCLK: 1557 /* Only for superuser! */ 1558 error = priv_check (td, PRIV_DRIVER); 1559 if (error) 1560 return error; 1561 s = splimp (); 1562 CT_LOCK (bd); 1563 switch (*(int*)data) { 1564 default: ct_set_clk (c, GCLK_INT); break; 1565 case E1CLK_RECEIVE: ct_set_clk (c, GCLK_RCV); break; 1566 case E1CLK_RECEIVE_CHAN0: 1567 case E1CLK_RECEIVE_CHAN1: 1568 ct_set_clk (c, GCLK_RCLKO); break; 1569 } 1570 CT_UNLOCK (bd); 1571 splx (s); 1572 return 0; 1573 1574 case SERIAL_GETTIMESLOTS: 1575 if (c->mode != M_E1) 1576 return EINVAL; 1577 *(long*)data = ct_get_ts (c); 1578 return 0; 1579 1580 case SERIAL_SETTIMESLOTS: 1581 /* Only for superuser! */ 1582 error = priv_check (td, PRIV_DRIVER); 1583 if (error) 1584 return error; 1585 s = splimp (); 1586 CT_LOCK (bd); 1587 ct_set_ts (c, *(long*)data); 1588 CT_UNLOCK (bd); 1589 splx (s); 1590 return 0; 1591 1592 case SERIAL_GETSUBCHAN: 1593 if (c->mode != M_E1) 1594 return EINVAL; 1595 *(long*)data = ct_get_subchan (c->board); 1596 return 0; 1597 1598 case SERIAL_SETSUBCHAN: 1599 /* Only for superuser! */ 1600 error = priv_check (td, PRIV_DRIVER); 1601 if (error) 1602 return error; 1603 s = splimp (); 1604 CT_LOCK (bd); 1605 ct_set_subchan (c->board, *(long*)data); 1606 CT_UNLOCK (bd); 1607 splx (s); 1608 return 0; 1609 1610 case SERIAL_GETINVCLK: 1611 case SERIAL_GETINVTCLK: 1612 if (c->mode == M_E1 || c->mode == M_G703) 1613 return EINVAL; 1614 *(int*)data = ct_get_invtxc (c); 1615 return 0; 1616 1617 case SERIAL_GETINVRCLK: 1618 if (c->mode == M_E1 || c->mode == M_G703) 1619 return EINVAL; 1620 *(int*)data = ct_get_invrxc (c); 1621 return 0; 1622 1623 case SERIAL_SETINVCLK: 1624 case SERIAL_SETINVTCLK: 1625 /* Only for superuser! */ 1626 error = priv_check (td, PRIV_DRIVER); 1627 if (error) 1628 return error; 1629 if (c->mode == M_E1 || c->mode == M_G703) 1630 return EINVAL; 1631 s = splimp (); 1632 CT_LOCK (bd); 1633 ct_set_invtxc (c, *(int*)data); 1634 CT_UNLOCK (bd); 1635 splx (s); 1636 return 0; 1637 1638 case SERIAL_SETINVRCLK: 1639 /* Only for superuser! */ 1640 error = priv_check (td, PRIV_DRIVER); 1641 if (error) 1642 return error; 1643 if (c->mode == M_E1 || c->mode == M_G703) 1644 return EINVAL; 1645 s = splimp (); 1646 CT_LOCK (bd); 1647 ct_set_invrxc (c, *(int*)data); 1648 CT_UNLOCK (bd); 1649 splx (s); 1650 return 0; 1651 1652 case SERIAL_GETLEVEL: 1653 if (c->mode != M_G703) 1654 return EINVAL; 1655 s = splimp (); 1656 CT_LOCK (bd); 1657 *(int*)data = ct_get_lq (c); 1658 CT_UNLOCK (bd); 1659 splx (s); 1660 return 0; 1661 1662 case TIOCSDTR: /* Set DTR */ 1663 s = splimp (); 1664 CT_LOCK (bd); 1665 ct_set_dtr (c, 1); 1666 CT_UNLOCK (bd); 1667 splx (s); 1668 return 0; 1669 1670 case TIOCCDTR: /* Clear DTR */ 1671 s = splimp (); 1672 CT_LOCK (bd); 1673 ct_set_dtr (c, 0); 1674 CT_UNLOCK (bd); 1675 splx (s); 1676 return 0; 1677 1678 case TIOCMSET: /* Set DTR/RTS */ 1679 s = splimp (); 1680 CT_LOCK (bd); 1681 ct_set_dtr (c, (*(int*)data & TIOCM_DTR) ? 1 : 0); 1682 ct_set_rts (c, (*(int*)data & TIOCM_RTS) ? 1 : 0); 1683 CT_UNLOCK (bd); 1684 splx (s); 1685 return 0; 1686 1687 case TIOCMBIS: /* Add DTR/RTS */ 1688 s = splimp (); 1689 CT_LOCK (bd); 1690 if (*(int*)data & TIOCM_DTR) ct_set_dtr (c, 1); 1691 if (*(int*)data & TIOCM_RTS) ct_set_rts (c, 1); 1692 CT_UNLOCK (bd); 1693 splx (s); 1694 return 0; 1695 1696 case TIOCMBIC: /* Clear DTR/RTS */ 1697 s = splimp (); 1698 CT_LOCK (bd); 1699 if (*(int*)data & TIOCM_DTR) ct_set_dtr (c, 0); 1700 if (*(int*)data & TIOCM_RTS) ct_set_rts (c, 0); 1701 CT_UNLOCK (bd); 1702 splx (s); 1703 return 0; 1704 1705 case TIOCMGET: /* Get modem status */ 1706 *(int*)data = ct_modem_status (c); 1707 return 0; 1708 } 1709 return ENOTTY; 1710} 1711 1712#ifdef NETGRAPH 1713static int ng_ct_constructor (node_p node) 1714{ 1715 drv_t *d = NG_NODE_PRIVATE (node); 1716 CT_DEBUG (d, ("Constructor\n")); 1717 return EINVAL; 1718} 1719 1720static int ng_ct_newhook (node_p node, hook_p hook, const char *name) 1721{ 1722 int s; 1723 drv_t *d = NG_NODE_PRIVATE (node); 1724 1725 if (!d) 1726 return EINVAL; 1727 1728 bdrv_t *bd = d->bd; 1729 1730 /* Attach debug hook */ 1731 if (strcmp (name, NG_CT_HOOK_DEBUG) == 0) { 1732 NG_HOOK_SET_PRIVATE (hook, NULL); 1733 d->debug_hook = hook; 1734 return 0; 1735 } 1736 1737 /* Check for raw hook */ 1738 if (strcmp (name, NG_CT_HOOK_RAW) != 0) 1739 return EINVAL; 1740 1741 NG_HOOK_SET_PRIVATE (hook, d); 1742 d->hook = hook; 1743 s = splimp (); 1744 CT_LOCK (bd); 1745 ct_up (d); 1746 CT_UNLOCK (bd); 1747 splx (s); 1748 return 0; 1749} 1750 1751static char *format_timeslots (u_long s) 1752{ 1753 static char buf [100]; 1754 char *p = buf; 1755 int i; 1756 1757 for (i=1; i<32; ++i) 1758 if ((s >> i) & 1) { 1759 int prev = (i > 1) & (s >> (i-1)); 1760 int next = (i < 31) & (s >> (i+1)); 1761 1762 if (prev) { 1763 if (next) 1764 continue; 1765 *p++ = '-'; 1766 } else if (p > buf) 1767 *p++ = ','; 1768 1769 if (i >= 10) 1770 *p++ = '0' + i / 10; 1771 *p++ = '0' + i % 10; 1772 } 1773 *p = 0; 1774 return buf; 1775} 1776 1777static int print_modems (char *s, ct_chan_t *c, int need_header) 1778{ 1779 int status = ct_modem_status (c); 1780 int length = 0; 1781 1782 if (need_header) 1783 length += sprintf (s + length, " LE DTR DSR RTS CTS CD\n"); 1784 length += sprintf (s + length, "%4s %4s %4s %4s %4s %4s\n", 1785 status & TIOCM_LE ? "On" : "-", 1786 status & TIOCM_DTR ? "On" : "-", 1787 status & TIOCM_DSR ? "On" : "-", 1788 status & TIOCM_RTS ? "On" : "-", 1789 status & TIOCM_CTS ? "On" : "-", 1790 status & TIOCM_CD ? "On" : "-"); 1791 return length; 1792} 1793 1794static int print_stats (char *s, ct_chan_t *c, int need_header) 1795{ 1796 struct serial_statistics st; 1797 int length = 0; 1798 1799 st.rintr = c->rintr; 1800 st.tintr = c->tintr; 1801 st.mintr = c->mintr; 1802 st.ibytes = c->ibytes; 1803 st.ipkts = c->ipkts; 1804 st.ierrs = c->ierrs; 1805 st.obytes = c->obytes; 1806 st.opkts = c->opkts; 1807 st.oerrs = c->oerrs; 1808 if (need_header) 1809 length += sprintf (s + length, " Rintr Tintr Mintr Ibytes Ipkts Ierrs Obytes Opkts Oerrs\n"); 1810 length += sprintf (s + length, "%7ld %7ld %7ld %8ld %7ld %7ld %8ld %7ld %7ld\n", 1811 st.rintr, st.tintr, st.mintr, st.ibytes, st.ipkts, 1812 st.ierrs, st.obytes, st.opkts, st.oerrs); 1813 return length; 1814} 1815 1816static char *format_e1_status (u_char status) 1817{ 1818 static char buf [80]; 1819 1820 if (status & E1_NOALARM) 1821 return "Ok"; 1822 buf[0] = 0; 1823 if (status & E1_LOS) strcat (buf, ",LOS"); 1824 if (status & E1_AIS) strcat (buf, ",AIS"); 1825 if (status & E1_LOF) strcat (buf, ",LOF"); 1826 if (status & E1_LOMF) strcat (buf, ",LOMF"); 1827 if (status & E1_FARLOF) strcat (buf, ",FARLOF"); 1828 if (status & E1_AIS16) strcat (buf, ",AIS16"); 1829 if (status & E1_FARLOMF) strcat (buf, ",FARLOMF"); 1830 if (status & E1_TSTREQ) strcat (buf, ",TSTREQ"); 1831 if (status & E1_TSTERR) strcat (buf, ",TSTERR"); 1832 if (buf[0] == ',') 1833 return buf+1; 1834 return "Unknown"; 1835} 1836 1837static int print_frac (char *s, int leftalign, u_long numerator, u_long divider) 1838{ 1839 int n, length = 0; 1840 1841 if (numerator < 1 || divider < 1) { 1842 length += sprintf (s+length, leftalign ? "/- " : " -"); 1843 return length; 1844 } 1845 n = (int) (0.5 + 1000.0 * numerator / divider); 1846 if (n < 1000) { 1847 length += sprintf (s+length, leftalign ? "/.%-3d" : " .%03d", n); 1848 return length; 1849 } 1850 *(s + length) = leftalign ? '/' : ' '; 1851 length ++; 1852 1853 if (n >= 1000000) n = (n+500) / 1000 * 1000; 1854 else if (n >= 100000) n = (n+50) / 100 * 100; 1855 else if (n >= 10000) n = (n+5) / 10 * 10; 1856 1857 switch (n) { 1858 case 1000: length += printf (s+length, ".999"); return length; 1859 case 10000: n = 9990; break; 1860 case 100000: n = 99900; break; 1861 case 1000000: n = 999000; break; 1862 } 1863 if (n < 10000) length += sprintf (s+length, "%d.%d", n/1000, n/10%100); 1864 else if (n < 100000) length += sprintf (s+length, "%d.%d", n/1000, n/100%10); 1865 else if (n < 1000000) length += sprintf (s+length, "%d.", n/1000); 1866 else length += sprintf (s+length, "%d", n/1000); 1867 1868 return length; 1869} 1870 1871static int print_e1_stats (char *s, ct_chan_t *c) 1872{ 1873 struct e1_counters total; 1874 u_long totsec; 1875 int length = 0; 1876 1877 totsec = c->totsec + c->cursec; 1878 total.bpv = c->total.bpv + c->currnt.bpv; 1879 total.fse = c->total.fse + c->currnt.fse; 1880 total.crce = c->total.crce + c->currnt.crce; 1881 total.rcrce = c->total.rcrce + c->currnt.rcrce; 1882 total.uas = c->total.uas + c->currnt.uas; 1883 total.les = c->total.les + c->currnt.les; 1884 total.es = c->total.es + c->currnt.es; 1885 total.bes = c->total.bes + c->currnt.bes; 1886 total.ses = c->total.ses + c->currnt.ses; 1887 total.oofs = c->total.oofs + c->currnt.oofs; 1888 total.css = c->total.css + c->currnt.css; 1889 total.dm = c->total.dm + c->currnt.dm; 1890 1891 length += sprintf (s + length, " Unav/Degr Bpv/Fsyn CRC/RCRC Err/Lerr Sev/Bur Oof/Slp Status\n"); 1892 1893 /* Unavailable seconds, degraded minutes */ 1894 length += print_frac (s + length, 0, c->currnt.uas, c->cursec); 1895 length += print_frac (s + length, 1, 60 * c->currnt.dm, c->cursec); 1896 1897 /* Bipolar violations, frame sync errors */ 1898 length += print_frac (s + length, 0, c->currnt.bpv, c->cursec); 1899 length += print_frac (s + length, 1, c->currnt.fse, c->cursec); 1900 1901 /* CRC errors, remote CRC errors (E-bit) */ 1902 length += print_frac (s + length, 0, c->currnt.crce, c->cursec); 1903 length += print_frac (s + length, 1, c->currnt.rcrce, c->cursec); 1904 1905 /* Errored seconds, line errored seconds */ 1906 length += print_frac (s + length, 0, c->currnt.es, c->cursec); 1907 length += print_frac (s + length, 1, c->currnt.les, c->cursec); 1908 1909 /* Severely errored seconds, burst errored seconds */ 1910 length += print_frac (s + length, 0, c->currnt.ses, c->cursec); 1911 length += print_frac (s + length, 1, c->currnt.bes, c->cursec); 1912 1913 /* Out of frame seconds, controlled slip seconds */ 1914 length += print_frac (s + length, 0, c->currnt.oofs, c->cursec); 1915 length += print_frac (s + length, 1, c->currnt.css, c->cursec); 1916 1917 length += sprintf (s + length, " %s\n", format_e1_status (c->status)); 1918 1919 /* Print total statistics. */ 1920 length += print_frac (s + length, 0, total.uas, totsec); 1921 length += print_frac (s + length, 1, 60 * total.dm, totsec); 1922 1923 length += print_frac (s + length, 0, total.bpv, totsec); 1924 length += print_frac (s + length, 1, total.fse, totsec); 1925 1926 length += print_frac (s + length, 0, total.crce, totsec); 1927 length += print_frac (s + length, 1, total.rcrce, totsec); 1928 1929 length += print_frac (s + length, 0, total.es, totsec); 1930 length += print_frac (s + length, 1, total.les, totsec); 1931 1932 length += print_frac (s + length, 0, total.ses, totsec); 1933 length += print_frac (s + length, 1, total.bes, totsec); 1934 1935 length += print_frac (s + length, 0, total.oofs, totsec); 1936 length += print_frac (s + length, 1, total.css, totsec); 1937 1938 length += sprintf (s + length, " -- Total\n"); 1939 return length; 1940} 1941 1942static int print_chan (char *s, ct_chan_t *c) 1943{ 1944 drv_t *d = c->sys; 1945 bdrv_t *bd = d->bd; 1946 int length = 0; 1947 1948 length += sprintf (s + length, "ct%d", c->board->num * NCHAN + c->num); 1949 if (d->chan->debug) 1950 length += sprintf (s + length, " debug=%d", d->chan->debug); 1951 1952 switch (ct_get_config (c->board)) { 1953 case CFG_A: length += sprintf (s + length, " cfg=A"); break; 1954 case CFG_B: length += sprintf (s + length, " cfg=B"); break; 1955 case CFG_C: length += sprintf (s + length, " cfg=C"); break; 1956 default: length += sprintf (s + length, " cfg=unknown"); break; 1957 } 1958 1959 if (ct_get_baud (c)) 1960 length += sprintf (s + length, " %ld", ct_get_baud (c)); 1961 else 1962 length += sprintf (s + length, " extclock"); 1963 1964 if (c->mode == M_E1 || c->mode == M_G703) 1965 switch (ct_get_clk(c)) { 1966 case GCLK_INT : length += sprintf (s + length, " syn=int"); break; 1967 case GCLK_RCV : length += sprintf (s + length, " syn=rcv"); break; 1968 case GCLK_RCLKO : length += sprintf (s + length, " syn=xrcv"); break; 1969 } 1970 if (c->mode == M_HDLC) { 1971 length += sprintf (s + length, " dpll=%s", ct_get_dpll (c) ? "on" : "off"); 1972 length += sprintf (s + length, " nrzi=%s", ct_get_nrzi (c) ? "on" : "off"); 1973 length += sprintf (s + length, " invtclk=%s", ct_get_invtxc (c) ? "on" : "off"); 1974 length += sprintf (s + length, " invrclk=%s", ct_get_invrxc (c) ? "on" : "off"); 1975 } 1976 if (c->mode == M_E1) 1977 length += sprintf (s + length, " higain=%s", ct_get_higain (c)? "on" : "off"); 1978 1979 length += sprintf (s + length, " loop=%s", ct_get_loop (c) ? "on" : "off"); 1980 1981 if (c->mode == M_E1) 1982 length += sprintf (s + length, " ts=%s", format_timeslots (ct_get_ts(c))); 1983 if (c->mode == M_E1 && ct_get_config (c->board) != CFG_A) 1984 length += sprintf (s + length, " pass=%s", format_timeslots (ct_get_subchan(c->board))); 1985 if (c->mode == M_G703) { 1986 int lq, x; 1987 1988 x = splimp (); 1989 CT_LOCK (bd); 1990 lq = ct_get_lq (c); 1991 CT_UNLOCK (bd); 1992 splx (x); 1993 length += sprintf (s + length, " (level=-%.1fdB)", lq / 10.0); 1994 } 1995 length += sprintf (s + length, "\n"); 1996 return length; 1997} 1998 1999static int ng_ct_rcvmsg (node_p node, item_p item, hook_p lasthook) 2000{ 2001 drv_t *d = NG_NODE_PRIVATE (node); 2002 struct ng_mesg *msg; 2003 struct ng_mesg *resp = NULL; 2004 int error = 0; 2005 2006 if (!d) 2007 return EINVAL; 2008 2009 CT_DEBUG (d, ("Rcvmsg\n")); 2010 NGI_GET_MSG (item, msg); 2011 switch (msg->header.typecookie) { 2012 default: 2013 error = EINVAL; 2014 break; 2015 2016 case NGM_CT_COOKIE: 2017 printf ("Don't forget to implement\n"); 2018 error = EINVAL; 2019 break; 2020 2021 case NGM_GENERIC_COOKIE: 2022 switch (msg->header.cmd) { 2023 default: 2024 error = EINVAL; 2025 break; 2026 2027 case NGM_TEXT_STATUS: { 2028 char *s; 2029 int l = 0; 2030 int dl = sizeof (struct ng_mesg) + 730; 2031 2032 NG_MKRESPONSE (resp, msg, dl, M_NOWAIT); 2033 if (! resp) { 2034 error = ENOMEM; 2035 break; 2036 } 2037 s = (resp)->data; 2038 l += print_chan (s + l, d->chan); 2039 l += print_stats (s + l, d->chan, 1); 2040 l += print_modems (s + l, d->chan, 1); 2041 l += print_e1_stats (s + l, d->chan); 2042 strncpy ((resp)->header.cmdstr, "status", NG_CMDSTRSIZ); 2043 } 2044 break; 2045 } 2046 break; 2047 } 2048 NG_RESPOND_MSG (error, node, item, resp); 2049 NG_FREE_MSG (msg); 2050 return error; 2051} 2052 2053static int ng_ct_rcvdata (hook_p hook, item_p item) 2054{ 2055 drv_t *d = NG_NODE_PRIVATE (NG_HOOK_NODE(hook)); 2056 struct mbuf *m; 2057 struct ng_tag_prio *ptag; 2058 bdrv_t *bd; 2059 struct ifqueue *q; 2060 int s; 2061 2062 if (!d) 2063 return ENETDOWN; 2064 2065 bd = d->bd; 2066 NGI_GET_M (item, m); 2067 NG_FREE_ITEM (item); 2068 if (! NG_HOOK_PRIVATE (hook) || ! d) { 2069 NG_FREE_M (m); 2070 return ENETDOWN; 2071 } 2072 2073 /* Check for high priority data */ 2074 if ((ptag = (struct ng_tag_prio *)m_tag_locate(m, NGM_GENERIC_COOKIE, 2075 NG_TAG_PRIO, NULL)) != NULL && (ptag->priority > NG_PRIO_CUTOFF) ) 2076 q = &d->hi_queue; 2077 else 2078 q = &d->queue; 2079 2080 s = splimp (); 2081 CT_LOCK (bd); 2082 IF_LOCK (q); 2083 if (_IF_QFULL (q)) { 2084 IF_UNLOCK (q); 2085 CT_UNLOCK (bd); 2086 splx (s); 2087 NG_FREE_M (m); 2088 return ENOBUFS; 2089 } 2090 _IF_ENQUEUE (q, m); 2091 IF_UNLOCK (q); 2092 ct_start (d); 2093 CT_UNLOCK (bd); 2094 splx (s); 2095 return 0; 2096} 2097 2098static int ng_ct_rmnode (node_p node) 2099{ 2100 drv_t *d = NG_NODE_PRIVATE (node); 2101 bdrv_t *bd; 2102 2103 CT_DEBUG (d, ("Rmnode\n")); 2104 if (d && d->running) { 2105 bd = d->bd; 2106 int s = splimp (); 2107 CT_LOCK (bd); 2108 ct_down (d); 2109 CT_UNLOCK (bd); 2110 splx (s); 2111 } 2112#ifdef KLD_MODULE 2113 if (node->nd_flags & NGF_REALLY_DIE) { 2114 NG_NODE_SET_PRIVATE (node, NULL); 2115 NG_NODE_UNREF (node); 2116 } 2117 NG_NODE_REVIVE(node); /* Persistant node */ 2118#endif 2119 return 0; 2120} 2121 2122static int ng_ct_connect (hook_p hook) 2123{ 2124 drv_t *d = NG_NODE_PRIVATE (NG_HOOK_NODE (hook)); 2125 2126 if (!d) 2127 return 0; 2128 2129 callout_reset (&d->timeout_handle, hz, ct_watchdog_timer, d); 2130 return 0; 2131} 2132 2133static int ng_ct_disconnect (hook_p hook) 2134{ 2135 drv_t *d = NG_NODE_PRIVATE (NG_HOOK_NODE (hook)); 2136 bdrv_t *bd; 2137 2138 if (!d) 2139 return 0; 2140 2141 bd = d->bd; 2142 2143 CT_LOCK (bd); 2144 if (NG_HOOK_PRIVATE (hook)) 2145 ct_down (d); 2146 CT_UNLOCK (bd); 2147 /* If we were wait it than it reasserted now, just stop it. */ 2148 if (!callout_drain (&d->timeout_handle)) 2149 callout_stop (&d->timeout_handle); 2150 return 0; 2151} 2152#endif 2153 2154static int ct_modevent (module_t mod, int type, void *unused) 2155{ 2156 static int load_count = 0; 2157 2158 switch (type) { 2159 case MOD_LOAD: 2160#ifdef NETGRAPH 2161 if (ng_newtype (&typestruct)) 2162 printf ("Failed to register ng_ct\n"); 2163#endif 2164 ++load_count; 2165 callout_init (&timeout_handle, 1); 2166 callout_reset (&timeout_handle, hz*5, ct_timeout, 0); 2167 break; 2168 case MOD_UNLOAD: 2169 if (load_count == 1) { 2170 printf ("Removing device entry for Tau-ISA\n"); 2171#ifdef NETGRAPH 2172 ng_rmtype (&typestruct); 2173#endif 2174 } 2175 /* If we were wait it than it reasserted now, just stop it. */ 2176 if (!callout_drain (&timeout_handle)) 2177 callout_stop (&timeout_handle); 2178 --load_count; 2179 break; 2180 case MOD_SHUTDOWN: 2181 break; 2182 } 2183 return 0; 2184} 2185 2186#ifdef NETGRAPH 2187static struct ng_type typestruct = { 2188 .version = NG_ABI_VERSION, 2189 .name = NG_CT_NODE_TYPE, 2190 .constructor = ng_ct_constructor, 2191 .rcvmsg = ng_ct_rcvmsg, 2192 .shutdown = ng_ct_rmnode, 2193 .newhook = ng_ct_newhook, 2194 .connect = ng_ct_connect, 2195 .rcvdata = ng_ct_rcvdata, 2196 .disconnect = ng_ct_disconnect, 2197}; 2198#endif /*NETGRAPH*/ 2199 2200#ifdef NETGRAPH 2201MODULE_DEPEND (ng_ct, netgraph, NG_ABI_VERSION, NG_ABI_VERSION, NG_ABI_VERSION); 2202#else 2203MODULE_DEPEND (ct, sppp, 1, 1, 1); 2204#endif 2205DRIVER_MODULE (ct, isa, ct_isa_driver, ct_devclass, ct_modevent, NULL); 2206MODULE_VERSION (ct, 1); 2207