if_ct.c revision 314667
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/10/sys/dev/ctau/if_ct.c 314667 2017-03-04 13:03:31Z avg $"); 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 <machine/cpufunc.h> 50#include <machine/cserial.h> 51#include <machine/resource.h> 52#include <dev/cx/machdep.h> 53#include <dev/ctau/ctddk.h> 54#include <dev/cx/cronyxfw.h> 55#include "opt_ng_cronyx.h" 56#ifdef NETGRAPH_CRONYX 57# include "opt_netgraph.h" 58# include <netgraph/ng_message.h> 59# include <netgraph/netgraph.h> 60# include <dev/ctau/ng_ct.h> 61#else 62# include <net/if_types.h> 63# include <net/if_sppp.h> 64# define PP_CISCO IFF_LINK2 65# include <net/bpf.h> 66#endif 67 68#define NCTAU 1 69 70/* If we don't have Cronyx's sppp version, we don't have fr support via sppp */ 71#ifndef PP_FR 72#define PP_FR 0 73#endif 74 75#define CT_DEBUG(d,s) ({if (d->chan->debug) {\ 76 printf ("%s: ", d->name); printf s;}}) 77#define CT_DEBUG2(d,s) ({if (d->chan->debug>1) {\ 78 printf ("%s: ", d->name); printf s;}}) 79 80#define CT_LOCK_NAME "ctX" 81 82#define CT_LOCK(_bd) mtx_lock (&(_bd)->ct_mtx) 83#define CT_UNLOCK(_bd) mtx_unlock (&(_bd)->ct_mtx) 84#define CT_LOCK_ASSERT(_bd) mtx_assert (&(_bd)->ct_mtx, MA_OWNED) 85 86static void ct_identify __P((driver_t *, device_t)); 87static int ct_probe __P((device_t)); 88static int ct_attach __P((device_t)); 89static int ct_detach __P((device_t)); 90 91static device_method_t ct_isa_methods [] = { 92 DEVMETHOD(device_identify, ct_identify), 93 DEVMETHOD(device_probe, ct_probe), 94 DEVMETHOD(device_attach, ct_attach), 95 DEVMETHOD(device_detach, ct_detach), 96 97 DEVMETHOD_END 98}; 99 100typedef struct _ct_dma_mem_t { 101 unsigned long phys; 102 void *virt; 103 size_t size; 104 bus_dma_tag_t dmat; 105 bus_dmamap_t mapp; 106} ct_dma_mem_t; 107 108typedef struct _drv_t { 109 char name [8]; 110 ct_chan_t *chan; 111 ct_board_t *board; 112 struct _bdrv_t *bd; 113 ct_dma_mem_t dmamem; 114 int running; 115#ifdef NETGRAPH 116 char nodename [NG_NODESIZ]; 117 hook_p hook; 118 hook_p debug_hook; 119 node_p node; 120 struct ifqueue queue; 121 struct ifqueue hi_queue; 122#else 123 struct ifqueue queue; 124 struct ifnet *ifp; 125#endif 126 short timeout; 127 struct callout timeout_handle; 128 struct cdev *devt; 129} drv_t; 130 131typedef struct _bdrv_t { 132 ct_board_t *board; 133 struct resource *base_res; 134 struct resource *drq_res; 135 struct resource *irq_res; 136 int base_rid; 137 int drq_rid; 138 int irq_rid; 139 void *intrhand; 140 drv_t channel [NCHAN]; 141 struct mtx ct_mtx; 142} bdrv_t; 143 144static driver_t ct_isa_driver = { 145 "ct", 146 ct_isa_methods, 147 sizeof (bdrv_t), 148}; 149 150static devclass_t ct_devclass; 151 152static void ct_receive (ct_chan_t *c, char *data, int len); 153static void ct_transmit (ct_chan_t *c, void *attachment, int len); 154static void ct_error (ct_chan_t *c, int data); 155static void ct_up (drv_t *d); 156static void ct_start (drv_t *d); 157static void ct_down (drv_t *d); 158static void ct_watchdog (drv_t *d); 159static void ct_watchdog_timer (void *arg); 160#ifdef NETGRAPH 161extern struct ng_type typestruct; 162#else 163static void ct_ifstart (struct ifnet *ifp); 164static void ct_tlf (struct sppp *sp); 165static void ct_tls (struct sppp *sp); 166static int ct_sioctl (struct ifnet *ifp, u_long cmd, caddr_t data); 167static void ct_initialize (void *softc); 168#endif 169 170static ct_board_t *adapter [NCTAU]; 171static drv_t *channel [NCTAU*NCHAN]; 172static struct callout led_timo [NCTAU]; 173static struct callout timeout_handle; 174 175static int ct_open (struct cdev *dev, int oflags, int devtype, struct thread *td); 176static int ct_close (struct cdev *dev, int fflag, int devtype, struct thread *td); 177static int ct_ioctl (struct cdev *dev, u_long cmd, caddr_t data, int flag, struct thread *td); 178static struct cdevsw ct_cdevsw = { 179 .d_version = D_VERSION, 180 .d_open = ct_open, 181 .d_close = ct_close, 182 .d_ioctl = ct_ioctl, 183 .d_name = "ct", 184}; 185 186/* 187 * Print the mbuf chain, for debug purposes only. 188 */ 189static void printmbuf (struct mbuf *m) 190{ 191 printf ("mbuf:"); 192 for (; m; m=m->m_next) { 193 if (m->m_flags & M_PKTHDR) 194 printf (" HDR %d:", m->m_pkthdr.len); 195 if (m->m_flags & M_EXT) 196 printf (" EXT:"); 197 printf (" %d", m->m_len); 198 } 199 printf ("\n"); 200} 201 202/* 203 * Make an mbuf from data. 204 */ 205static struct mbuf *makembuf (void *buf, u_int len) 206{ 207 struct mbuf *m; 208 209 MGETHDR (m, M_NOWAIT, MT_DATA); 210 if (! m) 211 return 0; 212 MCLGET (m, M_NOWAIT); 213 if (! (m->m_flags & M_EXT)) { 214 m_freem (m); 215 return 0; 216 } 217 m->m_pkthdr.len = m->m_len = len; 218 bcopy (buf, mtod (m, caddr_t), len); 219 return m; 220} 221 222static void ct_timeout (void *arg) 223{ 224 drv_t *d; 225 int s, i, k; 226 227 for (i = 0; i < NCTAU; ++i) { 228 if (adapter[i] == NULL) 229 continue; 230 for (k = 0; k < NCHAN; k++) { 231 d = channel[i * NCHAN + k]; 232 if (! d) 233 continue; 234 if (d->chan->mode != M_G703) 235 continue; 236 s = splimp (); 237 CT_LOCK ((bdrv_t *)d->bd); 238 ct_g703_timer (d->chan); 239 CT_UNLOCK ((bdrv_t *)d->bd); 240 splx (s); 241 } 242 } 243 244 callout_reset (&timeout_handle, hz, ct_timeout, 0); 245} 246 247static void ct_led_off (void *arg) 248{ 249 ct_board_t *b = arg; 250 bdrv_t *bd = ((drv_t *)b->chan->sys)->bd; 251 int s = splimp (); 252 253 CT_LOCK (bd); 254 ct_led (b, 0); 255 CT_UNLOCK (bd); 256 splx (s); 257} 258 259/* 260 * Activate interrupt handler from DDK. 261 */ 262static void ct_intr (void *arg) 263{ 264 bdrv_t *bd = arg; 265 ct_board_t *b = bd->board; 266#ifndef NETGRAPH 267 int i; 268#endif 269 int s = splimp (); 270 271 CT_LOCK (bd); 272 /* Turn LED on. */ 273 ct_led (b, 1); 274 275 ct_int_handler (b); 276 277 /* Turn LED off 50 msec later. */ 278 callout_reset (&led_timo[b->num], hz/20, ct_led_off, b); 279 CT_UNLOCK (bd); 280 splx (s); 281 282#ifndef NETGRAPH 283 /* Pass packets in a lock-free state */ 284 for (i = 0; i < NCHAN && b->chan[i].type; i++) { 285 drv_t *d = b->chan[i].sys; 286 struct mbuf *m; 287 if (!d || !d->running) 288 continue; 289 while (_IF_QLEN(&d->queue)) { 290 IF_DEQUEUE (&d->queue,m); 291 if (!m) 292 continue; 293 sppp_input (d->ifp, m); 294 } 295 } 296#endif 297} 298 299static int probe_irq (ct_board_t *b, int irq) 300{ 301 int mask, busy, cnt; 302 303 /* Clear pending irq, if any. */ 304 ct_probe_irq (b, -irq); 305 DELAY (100); 306 for (cnt=0; cnt<5; ++cnt) { 307 /* Get the mask of pending irqs, assuming they are busy. 308 * Activate the adapter on given irq. */ 309 busy = ct_probe_irq (b, irq); 310 DELAY (1000); 311 312 /* Get the mask of active irqs. 313 * Deactivate our irq. */ 314 mask = ct_probe_irq (b, -irq); 315 DELAY (100); 316 if ((mask & ~busy) == 1 << irq) { 317 ct_probe_irq (b, 0); 318 /* printf ("ct%d: irq %d ok, mask=0x%04x, busy=0x%04x\n", 319 b->num, irq, mask, busy); */ 320 return 1; 321 } 322 } 323 /* printf ("ct%d: irq %d not functional, mask=0x%04x, busy=0x%04x\n", 324 b->num, irq, mask, busy); */ 325 ct_probe_irq (b, 0); 326 return 0; 327} 328 329static short porttab [] = { 330 0x200, 0x220, 0x240, 0x260, 0x280, 0x2a0, 0x2c0, 0x2e0, 331 0x300, 0x320, 0x340, 0x360, 0x380, 0x3a0, 0x3c0, 0x3e0, 0 332 }; 333static char dmatab [] = { 7, 6, 5, 0 }; 334static char irqtab [] = { 5, 10, 11, 7, 3, 15, 12, 0 }; 335 336static int ct_is_free_res (device_t dev, int rid, int type, u_long start, 337 u_long end, u_long count) 338{ 339 struct resource *res; 340 341 if (!(res = bus_alloc_resource (dev, type, &rid, start, end, count, 342 RF_ALLOCATED))) 343 return 0; 344 345 bus_release_resource (dev, type, rid, res); 346 347 return 1; 348} 349 350static void ct_identify (driver_t *driver, device_t dev) 351{ 352 u_long iobase, rescount; 353 int devcount; 354 device_t *devices; 355 device_t child; 356 devclass_t my_devclass; 357 int i, k; 358 359 if ((my_devclass = devclass_find ("ct")) == NULL) 360 return; 361 362 devclass_get_devices (my_devclass, &devices, &devcount); 363 364 if (devcount == 0) { 365 /* We should find all devices by our self. We could alter other 366 * devices, but we don't have a choise 367 */ 368 for (i = 0; (iobase = porttab [i]) != 0; i++) { 369 if (!ct_is_free_res (dev, 0, SYS_RES_IOPORT, 370 iobase, iobase + NPORT, NPORT)) 371 continue; 372 if (ct_probe_board (iobase, -1, -1) == 0) 373 continue; 374 375 devcount++; 376 child = BUS_ADD_CHILD (dev, ISA_ORDER_SPECULATIVE, "ct", 377 -1); 378 379 if (child == NULL) 380 return; 381 382 device_set_desc_copy (child, "Cronyx Tau-ISA"); 383 device_set_driver (child, driver); 384 bus_set_resource (child, SYS_RES_IOPORT, 0, 385 iobase, NPORT); 386 387 if (devcount >= NCTAU) 388 break; 389 } 390 } else { 391 static short porttab [] = { 392 0x200, 0x220, 0x240, 0x260, 0x280, 0x2a0, 0x2c0, 0x2e0, 393 0x300, 0x320, 0x340, 0x360, 0x380, 0x3a0, 0x3c0, 0x3e0, 0 394 }; 395 /* Lets check user choise. 396 */ 397 for (k = 0; k < devcount; k++) { 398 if (bus_get_resource (devices[k], SYS_RES_IOPORT, 0, 399 &iobase, &rescount) != 0) 400 continue; 401 402 for (i = 0; porttab [i] != 0; i++) { 403 if (porttab [i] != iobase) 404 continue; 405 406 if (!ct_is_free_res (devices[k], 0, SYS_RES_IOPORT, 407 iobase, iobase + NPORT, NPORT)) 408 continue; 409 410 if (ct_probe_board (iobase, -1, -1) == 0) 411 continue; 412 porttab [i] = -1; 413 device_set_desc_copy (devices[k], "Cronyx Tau-ISA"); 414 break; 415 } 416 if (porttab [i] == 0) { 417 device_delete_child ( 418 device_get_parent (devices[k]), 419 devices [k]); 420 devices[k] = 0; 421 continue; 422 } 423 } 424 for (k = 0; k < devcount; k++) { 425 if (devices[k] == 0) 426 continue; 427 if (bus_get_resource (devices[k], SYS_RES_IOPORT, 0, 428 &iobase, &rescount) == 0) 429 continue; 430 for (i = 0; (iobase = porttab [i]) != 0; i++) { 431 if (porttab [i] == -1) 432 continue; 433 if (!ct_is_free_res (devices[k], 0, SYS_RES_IOPORT, 434 iobase, iobase + NPORT, NPORT)) 435 continue; 436 if (ct_probe_board (iobase, -1, -1) == 0) 437 continue; 438 439 bus_set_resource (devices[k], SYS_RES_IOPORT, 0, 440 iobase, NPORT); 441 porttab [i] = -1; 442 device_set_desc_copy (devices[k], "Cronyx Tau-ISA"); 443 break; 444 } 445 if (porttab [i] == 0) { 446 device_delete_child ( 447 device_get_parent (devices[k]), 448 devices [k]); 449 } 450 } 451 free (devices, M_TEMP); 452 } 453 454 return; 455} 456 457static int ct_probe (device_t dev) 458{ 459 int unit = device_get_unit (dev); 460 u_long iobase, rescount; 461 462 if (!device_get_desc (dev) || 463 strcmp (device_get_desc (dev), "Cronyx Tau-ISA")) 464 return ENXIO; 465 466/* KASSERT ((bd != NULL), ("ct%d: NULL device softc\n", unit));*/ 467 if (bus_get_resource (dev, SYS_RES_IOPORT, 0, &iobase, &rescount) != 0) { 468 printf ("ct%d: Couldn't get IOPORT\n", unit); 469 return ENXIO; 470 } 471 472 if (!ct_is_free_res (dev, 0, SYS_RES_IOPORT, 473 iobase, iobase + NPORT, NPORT)) { 474 printf ("ct%d: Resource IOPORT isn't free\n", unit); 475 return ENXIO; 476 } 477 478 if (!ct_probe_board (iobase, -1, -1)) { 479 printf ("ct%d: probing for Tau-ISA at %lx faild\n", unit, iobase); 480 return ENXIO; 481 } 482 483 return 0; 484} 485 486static void 487ct_bus_dmamap_addr (void *arg, bus_dma_segment_t *segs, int nseg, int error) 488{ 489 unsigned long *addr; 490 491 if (error) 492 return; 493 494 KASSERT(nseg == 1, ("too many DMA segments, %d should be 1", nseg)); 495 addr = arg; 496 *addr = segs->ds_addr; 497} 498 499static int 500ct_bus_dma_mem_alloc (int bnum, int cnum, ct_dma_mem_t *dmem) 501{ 502 int error; 503 504 error = bus_dma_tag_create (NULL, 16, 0, BUS_SPACE_MAXADDR_24BIT, 505 BUS_SPACE_MAXADDR, NULL, NULL, dmem->size, 1, 506 dmem->size, 0, NULL, NULL, &dmem->dmat); 507 if (error) { 508 if (cnum >= 0) printf ("ct%d-%d: ", bnum, cnum); 509 else printf ("ct%d: ", bnum); 510 printf ("couldn't allocate tag for dma memory\n"); 511 return 0; 512 } 513 error = bus_dmamem_alloc (dmem->dmat, (void **)&dmem->virt, 514 BUS_DMA_NOWAIT | BUS_DMA_ZERO, &dmem->mapp); 515 if (error) { 516 if (cnum >= 0) printf ("ct%d-%d: ", bnum, cnum); 517 else printf ("ct%d: ", bnum); 518 printf ("couldn't allocate mem for dma memory\n"); 519 bus_dma_tag_destroy (dmem->dmat); 520 return 0; 521 } 522 error = bus_dmamap_load (dmem->dmat, dmem->mapp, dmem->virt, 523 dmem->size, ct_bus_dmamap_addr, &dmem->phys, 0); 524 if (error) { 525 if (cnum >= 0) printf ("ct%d-%d: ", bnum, cnum); 526 else printf ("ct%d: ", bnum); 527 printf ("couldn't load mem map for dma memory\n"); 528 bus_dmamem_free (dmem->dmat, dmem->virt, dmem->mapp); 529 bus_dma_tag_destroy (dmem->dmat); 530 return 0; 531 } 532 return 1; 533} 534 535static void 536ct_bus_dma_mem_free (ct_dma_mem_t *dmem) 537{ 538 bus_dmamap_unload (dmem->dmat, dmem->mapp); 539 bus_dmamem_free (dmem->dmat, dmem->virt, dmem->mapp); 540 bus_dma_tag_destroy (dmem->dmat); 541} 542 543/* 544 * The adapter is present, initialize the driver structures. 545 */ 546static int ct_attach (device_t dev) 547{ 548 bdrv_t *bd = device_get_softc (dev); 549 u_long iobase, drq, irq, rescount; 550 int unit = device_get_unit (dev); 551 char *ct_ln = CT_LOCK_NAME; 552 ct_board_t *b; 553 ct_chan_t *c; 554 drv_t *d; 555 int i; 556 int s; 557 558 KASSERT ((bd != NULL), ("ct%d: NULL device softc\n", unit)); 559 560 bus_get_resource (dev, SYS_RES_IOPORT, 0, &iobase, &rescount); 561 bd->base_rid = 0; 562 bd->base_res = bus_alloc_resource (dev, SYS_RES_IOPORT, &bd->base_rid, 563 iobase, iobase + NPORT, NPORT, RF_ACTIVE); 564 if (! bd->base_res) { 565 printf ("ct%d: cannot alloc base address\n", unit); 566 return ENXIO; 567 } 568 569 if (bus_get_resource (dev, SYS_RES_DRQ, 0, &drq, &rescount) != 0) { 570 for (i = 0; (drq = dmatab [i]) != 0; i++) { 571 if (!ct_is_free_res (dev, 0, SYS_RES_DRQ, 572 drq, drq + 1, 1)) 573 continue; 574 bus_set_resource (dev, SYS_RES_DRQ, 0, drq, 1); 575 break; 576 } 577 578 if (dmatab[i] == 0) { 579 bus_release_resource (dev, SYS_RES_IOPORT, bd->base_rid, 580 bd->base_res); 581 printf ("ct%d: Couldn't get DRQ\n", unit); 582 return ENXIO; 583 } 584 } 585 586 bd->drq_rid = 0; 587 bd->drq_res = bus_alloc_resource (dev, SYS_RES_DRQ, &bd->drq_rid, 588 drq, drq + 1, 1, RF_ACTIVE); 589 if (! bd->drq_res) { 590 printf ("ct%d: cannot allocate drq\n", unit); 591 bus_release_resource (dev, SYS_RES_IOPORT, bd->base_rid, 592 bd->base_res); 593 return ENXIO; 594 } 595 596 if (bus_get_resource (dev, SYS_RES_IRQ, 0, &irq, &rescount) != 0) { 597 for (i = 0; (irq = irqtab [i]) != 0; i++) { 598 if (!ct_is_free_res (dev, 0, SYS_RES_IRQ, 599 irq, irq + 1, 1)) 600 continue; 601 bus_set_resource (dev, SYS_RES_IRQ, 0, irq, 1); 602 break; 603 } 604 605 if (irqtab[i] == 0) { 606 bus_release_resource (dev, SYS_RES_DRQ, bd->drq_rid, 607 bd->drq_res); 608 bus_release_resource (dev, SYS_RES_IOPORT, bd->base_rid, 609 bd->base_res); 610 printf ("ct%d: Couldn't get IRQ\n", unit); 611 return ENXIO; 612 } 613 } 614 615 bd->irq_rid = 0; 616 bd->irq_res = bus_alloc_resource (dev, SYS_RES_IRQ, &bd->irq_rid, 617 irq, irq + 1, 1, RF_ACTIVE); 618 if (! bd->irq_res) { 619 printf ("ct%d: Couldn't allocate irq\n", unit); 620 bus_release_resource (dev, SYS_RES_DRQ, bd->drq_rid, 621 bd->drq_res); 622 bus_release_resource (dev, SYS_RES_IOPORT, bd->base_rid, 623 bd->base_res); 624 return ENXIO; 625 } 626 627 b = malloc (sizeof (ct_board_t), M_DEVBUF, M_WAITOK); 628 if (!b) { 629 printf ("ct:%d: Couldn't allocate memory\n", unit); 630 return (ENXIO); 631 } 632 adapter[unit] = b; 633 bzero (b, sizeof(ct_board_t)); 634 635 if (! ct_open_board (b, unit, iobase, irq, drq)) { 636 printf ("ct%d: error loading firmware\n", unit); 637 free (b, M_DEVBUF); 638 bus_release_resource (dev, SYS_RES_IRQ, bd->irq_rid, 639 bd->irq_res); 640 bus_release_resource (dev, SYS_RES_DRQ, bd->drq_rid, 641 bd->drq_res); 642 bus_release_resource (dev, SYS_RES_IOPORT, bd->base_rid, 643 bd->base_res); 644 return ENXIO; 645 } 646 647 bd->board = b; 648 649 ct_ln[2] = '0' + unit; 650 mtx_init (&bd->ct_mtx, ct_ln, MTX_NETWORK_LOCK, MTX_DEF|MTX_RECURSE); 651 if (! probe_irq (b, irq)) { 652 printf ("ct%d: irq %ld not functional\n", unit, irq); 653 bd->board = 0; 654 adapter [unit] = 0; 655 free (b, M_DEVBUF); 656 bus_release_resource (dev, SYS_RES_IRQ, bd->irq_rid, 657 bd->irq_res); 658 bus_release_resource (dev, SYS_RES_DRQ, bd->drq_rid, 659 bd->drq_res); 660 bus_release_resource (dev, SYS_RES_IOPORT, bd->base_rid, 661 bd->base_res); 662 mtx_destroy (&bd->ct_mtx); 663 return ENXIO; 664 } 665 666 callout_init (&led_timo[unit], 1); 667 s = splimp (); 668 if (bus_setup_intr (dev, bd->irq_res, 669 INTR_TYPE_NET|INTR_MPSAFE, 670 NULL, ct_intr, bd, &bd->intrhand)) { 671 printf ("ct%d: Can't setup irq %ld\n", unit, irq); 672 bd->board = 0; 673 adapter [unit] = 0; 674 free (b, M_DEVBUF); 675 bus_release_resource (dev, SYS_RES_IRQ, bd->irq_rid, 676 bd->irq_res); 677 bus_release_resource (dev, SYS_RES_DRQ, bd->drq_rid, 678 bd->drq_res); 679 bus_release_resource (dev, SYS_RES_IOPORT, bd->base_rid, 680 bd->base_res); 681 mtx_destroy (&bd->ct_mtx); 682 splx (s); 683 return ENXIO; 684 } 685 686 CT_LOCK (bd); 687 ct_init_board (b, b->num, b->port, irq, drq, b->type, b->osc); 688 ct_setup_board (b, 0, 0, 0); 689 CT_UNLOCK (bd); 690 691 printf ("ct%d: <Cronyx-%s>, clock %s MHz\n", b->num, b->name, 692 b->osc == 20000000 ? "20" : "16.384"); 693 694 for (c = b->chan; c < b->chan + NCHAN; ++c) { 695 d = &bd->channel[c->num]; 696 d->dmamem.size = sizeof(ct_buf_t); 697 if (! ct_bus_dma_mem_alloc (unit, c->num, &d->dmamem)) 698 continue; 699 d->board = b; 700 d->chan = c; 701 d->bd = bd; 702 c->sys = d; 703 channel [b->num*NCHAN + c->num] = d; 704 sprintf (d->name, "ct%d.%d", b->num, c->num); 705 callout_init (&d->timeout_handle, 1); 706 707#ifdef NETGRAPH 708 if (ng_make_node_common (&typestruct, &d->node) != 0) { 709 printf ("%s: cannot make common node\n", d->name); 710 channel [b->num*NCHAN + c->num] = 0; 711 c->sys = 0; 712 ct_bus_dma_mem_free (&d->dmamem); 713 continue; 714 } 715 NG_NODE_SET_PRIVATE (d->node, d); 716 sprintf (d->nodename, "%s%d", NG_CT_NODE_TYPE, 717 c->board->num*NCHAN + c->num); 718 if (ng_name_node (d->node, d->nodename)) { 719 printf ("%s: cannot name node\n", d->nodename); 720 NG_NODE_UNREF (d->node); 721 channel [b->num*NCHAN + c->num] = 0; 722 c->sys = 0; 723 ct_bus_dma_mem_free (&d->dmamem); 724 continue; 725 } 726 d->queue.ifq_maxlen = ifqmaxlen; 727 d->hi_queue.ifq_maxlen = ifqmaxlen; 728 mtx_init (&d->queue.ifq_mtx, "ct_queue", NULL, MTX_DEF); 729 mtx_init (&d->hi_queue.ifq_mtx, "ct_queue_hi", NULL, MTX_DEF); 730#else /*NETGRAPH*/ 731 d->ifp = if_alloc(IFT_PPP); 732 if (d->ifp == NULL) { 733 printf ("%s: cannot if_alloc common interface\n", 734 d->name); 735 channel [b->num*NCHAN + c->num] = 0; 736 c->sys = 0; 737 ct_bus_dma_mem_free (&d->dmamem); 738 continue; 739 } 740 d->ifp->if_softc = d; 741 if_initname (d->ifp, "ct", b->num * NCHAN + c->num); 742 d->ifp->if_mtu = PP_MTU; 743 d->ifp->if_flags = IFF_POINTOPOINT | IFF_MULTICAST; 744 d->ifp->if_ioctl = ct_sioctl; 745 d->ifp->if_start = ct_ifstart; 746 d->ifp->if_init = ct_initialize; 747 d->queue.ifq_maxlen = NBUF; 748 mtx_init (&d->queue.ifq_mtx, "ct_queue", NULL, MTX_DEF); 749 sppp_attach (d->ifp); 750 if_attach (d->ifp); 751 IFP2SP(d->ifp)->pp_tlf = ct_tlf; 752 IFP2SP(d->ifp)->pp_tls = ct_tls; 753 /* If BPF is in the kernel, call the attach for it. 754 * Header size is 4 bytes. */ 755 bpfattach (d->ifp, DLT_PPP, 4); 756#endif /*NETGRAPH*/ 757 CT_LOCK (bd); 758 ct_start_chan (c, d->dmamem.virt, d->dmamem.phys); 759 ct_register_receive (c, &ct_receive); 760 ct_register_transmit (c, &ct_transmit); 761 ct_register_error (c, &ct_error); 762 CT_UNLOCK (bd); 763 d->devt = make_dev (&ct_cdevsw, b->num*NCHAN+c->num, UID_ROOT, 764 GID_WHEEL, 0600, "ct%d", b->num*NCHAN+c->num); 765 } 766 splx (s); 767 768 return 0; 769} 770 771static int ct_detach (device_t dev) 772{ 773 bdrv_t *bd = device_get_softc (dev); 774 ct_board_t *b = bd->board; 775 ct_chan_t *c; 776 int s; 777 778 KASSERT (mtx_initialized (&bd->ct_mtx), ("ct mutex not initialized")); 779 780 s = splimp (); 781 CT_LOCK (bd); 782 /* Check if the device is busy (open). */ 783 for (c = b->chan; c < b->chan + NCHAN; ++c) { 784 drv_t *d = (drv_t*) c->sys; 785 786 if (!d || !d->chan->type) 787 continue; 788 789 if (d->running) { 790 CT_UNLOCK (bd); 791 splx (s); 792 return EBUSY; 793 } 794 } 795 796 /* Deactivate the timeout routine. */ 797 callout_stop (&led_timo[b->num]); 798 799 CT_UNLOCK (bd); 800 801 bus_teardown_intr (dev, bd->irq_res, bd->intrhand); 802 bus_release_resource (dev, SYS_RES_IRQ, bd->irq_rid, bd->irq_res); 803 804 bus_release_resource (dev, SYS_RES_DRQ, bd->drq_rid, bd->drq_res); 805 806 bus_release_resource (dev, SYS_RES_IOPORT, bd->base_rid, bd->base_res); 807 808 CT_LOCK (bd); 809 ct_close_board (b); 810 CT_UNLOCK (bd); 811 812 /* Detach the interfaces, free buffer memory. */ 813 for (c = b->chan; c < b->chan + NCHAN; ++c) { 814 drv_t *d = (drv_t*) c->sys; 815 816 if (!d || !d->chan->type) 817 continue; 818 819 callout_stop (&d->timeout_handle); 820#ifdef NETGRAPH 821 if (d->node) { 822 ng_rmnode_self (d->node); 823 NG_NODE_UNREF (d->node); 824 d->node = NULL; 825 } 826 mtx_destroy (&d->queue.ifq_mtx); 827 mtx_destroy (&d->hi_queue.ifq_mtx); 828#else 829 /* Detach from the packet filter list of interfaces. */ 830 bpfdetach (d->ifp); 831 832 /* Detach from the sync PPP list. */ 833 sppp_detach (d->ifp); 834 835 if_detach (d->ifp); 836 if_free (d->ifp); 837 IF_DRAIN (&d->queue); 838 mtx_destroy (&d->queue.ifq_mtx); 839#endif 840 destroy_dev (d->devt); 841 } 842 843 CT_LOCK (bd); 844 ct_led_off (b); 845 CT_UNLOCK (bd); 846 callout_drain (&led_timo[b->num]); 847 splx (s); 848 849 for (c = b->chan; c < b->chan + NCHAN; ++c) { 850 drv_t *d = (drv_t*) c->sys; 851 852 if (!d || !d->chan->type) 853 continue; 854 callout_drain(&d->timeout_handle); 855 856 /* Deallocate buffers. */ 857 ct_bus_dma_mem_free (&d->dmamem); 858 } 859 bd->board = 0; 860 adapter [b->num] = 0; 861 free (b, M_DEVBUF); 862 863 mtx_destroy (&bd->ct_mtx); 864 865 return 0; 866} 867 868#ifndef NETGRAPH 869static void ct_ifstart (struct ifnet *ifp) 870{ 871 drv_t *d = ifp->if_softc; 872 bdrv_t *bd = d->bd; 873 874 CT_LOCK (bd); 875 ct_start (d); 876 CT_UNLOCK (bd); 877} 878 879static void ct_tlf (struct sppp *sp) 880{ 881 drv_t *d = SP2IFP(sp)->if_softc; 882 883 CT_DEBUG (d, ("ct_tlf\n")); 884/* ct_set_dtr (d->chan, 0);*/ 885/* ct_set_rts (d->chan, 0);*/ 886 if (!(sp->pp_flags & PP_FR) && !(d->ifp->if_flags & PP_CISCO)) 887 sp->pp_down (sp); 888} 889 890static void ct_tls (struct sppp *sp) 891{ 892 drv_t *d = SP2IFP(sp)->if_softc; 893 894 CT_DEBUG (d, ("ct_tls\n")); 895 if (!(sp->pp_flags & PP_FR) && !(d->ifp->if_flags & PP_CISCO)) 896 sp->pp_up (sp); 897} 898 899/* 900 * Initialization of interface. 901 * Ii seems to be never called by upper level. 902 */ 903static void ct_initialize (void *softc) 904{ 905 drv_t *d = softc; 906 907 CT_DEBUG (d, ("ct_initialize\n")); 908} 909 910/* 911 * Process an ioctl request. 912 */ 913static int ct_sioctl (struct ifnet *ifp, u_long cmd, caddr_t data) 914{ 915 drv_t *d = ifp->if_softc; 916 bdrv_t *bd = d->bd; 917 int error, s, was_up, should_be_up; 918 919 was_up = (ifp->if_drv_flags & IFF_DRV_RUNNING) != 0; 920 error = sppp_ioctl (ifp, cmd, data); 921 if (error) 922 return error; 923 924 if (! (ifp->if_flags & IFF_DEBUG)) 925 d->chan->debug = 0; 926 else 927 d->chan->debug = d->chan->debug_shadow; 928 929 switch (cmd) { 930 default: CT_DEBUG2 (d, ("ioctl 0x%lx\n", cmd)); return 0; 931 case SIOCADDMULTI: CT_DEBUG2 (d, ("SIOCADDMULTI\n")); return 0; 932 case SIOCDELMULTI: CT_DEBUG2 (d, ("SIOCDELMULTI\n")); return 0; 933 case SIOCSIFFLAGS: CT_DEBUG2 (d, ("SIOCSIFFLAGS\n")); break; 934 case SIOCSIFADDR: CT_DEBUG2 (d, ("SIOCSIFADDR\n")); break; 935 } 936 937 /* We get here only in case of SIFFLAGS or SIFADDR. */ 938 s = splimp (); 939 CT_LOCK (bd); 940 should_be_up = (ifp->if_drv_flags & IFF_DRV_RUNNING) != 0; 941 if (! was_up && should_be_up) { 942 /* Interface goes up -- start it. */ 943 ct_up (d); 944 ct_start (d); 945 } else if (was_up && ! should_be_up) { 946 /* Interface is going down -- stop it. */ 947 /* if ((IFP2SP(d->ifp)->pp_flags & PP_FR) || (ifp->if_flags & PP_CISCO))*/ 948 ct_down (d); 949 } 950 CT_UNLOCK (bd); 951 splx (s); 952 return 0; 953} 954#endif /*NETGRAPH*/ 955 956/* 957 * Stop the interface. Called on splimp(). 958 */ 959static void ct_down (drv_t *d) 960{ 961 int s = splimp (); 962 CT_DEBUG (d, ("ct_down\n")); 963 ct_set_dtr (d->chan, 0); 964 ct_set_rts (d->chan, 0); 965 d->running = 0; 966 callout_stop (&d->timeout_handle); 967 splx (s); 968} 969 970/* 971 * Start the interface. Called on splimp(). 972 */ 973static void ct_up (drv_t *d) 974{ 975 int s = splimp (); 976 CT_DEBUG (d, ("ct_up\n")); 977 ct_set_dtr (d->chan, 1); 978 ct_set_rts (d->chan, 1); 979 d->running = 1; 980 splx (s); 981} 982 983/* 984 * Start output on the (slave) interface. Get another datagram to send 985 * off of the interface queue, and copy it to the interface 986 * before starting the output. 987 */ 988static void ct_send (drv_t *d) 989{ 990 struct mbuf *m; 991 u_short len; 992 993 CT_DEBUG2 (d, ("ct_send, tn=%d\n", d->chan->tn)); 994 995 /* No output if the interface is down. */ 996 if (! d->running) 997 return; 998 999 /* No output if the modem is off. */ 1000 if (! ct_get_dsr (d->chan) && !ct_get_loop (d->chan)) 1001 return; 1002 1003 while (ct_buf_free (d->chan)) { 1004 /* Get the packet to send. */ 1005#ifdef NETGRAPH 1006 IF_DEQUEUE (&d->hi_queue, m); 1007 if (! m) 1008 IF_DEQUEUE (&d->queue, m); 1009#else 1010 m = sppp_dequeue (d->ifp); 1011#endif 1012 if (! m) 1013 return; 1014#ifndef NETGRAPH 1015 BPF_MTAP (d->ifp, m); 1016#endif 1017 len = m_length (m, NULL); 1018 if (! m->m_next) 1019 ct_send_packet (d->chan, (u_char*)mtod (m, caddr_t), 1020 len, 0); 1021 else { 1022 m_copydata (m, 0, len, d->chan->tbuf[d->chan->te]); 1023 ct_send_packet (d->chan, d->chan->tbuf[d->chan->te], 1024 len, 0); 1025 } 1026 m_freem (m); 1027 1028 /* Set up transmit timeout, if the transmit ring is not empty. 1029 * Transmit timeout is 10 seconds. */ 1030 d->timeout = 10; 1031 } 1032#ifndef NETGRAPH 1033 d->ifp->if_drv_flags |= IFF_DRV_OACTIVE; 1034#endif 1035} 1036 1037/* 1038 * Start output on the interface. 1039 * Always called on splimp(). 1040 */ 1041static void ct_start (drv_t *d) 1042{ 1043 int s = splimp (); 1044 1045 if (d->running) { 1046 if (! d->chan->dtr) 1047 ct_set_dtr (d->chan, 1); 1048 if (! d->chan->rts) 1049 ct_set_rts (d->chan, 1); 1050 ct_send (d); 1051 callout_reset (&d->timeout_handle, hz, ct_watchdog_timer, d); 1052 } 1053 1054 splx (s); 1055} 1056 1057/* 1058 * Handle transmit timeouts. 1059 * Recover after lost transmit interrupts. 1060 * Always called on splimp(). 1061 */ 1062static void ct_watchdog (drv_t *d) 1063{ 1064 1065 CT_DEBUG (d, ("device timeout\n")); 1066 if (d->running) { 1067 ct_setup_chan (d->chan); 1068 ct_start_chan (d->chan, 0, 0); 1069 ct_set_dtr (d->chan, 1); 1070 ct_set_rts (d->chan, 1); 1071 ct_start (d); 1072 } 1073} 1074 1075static void ct_watchdog_timer (void *arg) 1076{ 1077 drv_t *d = arg; 1078 bdrv_t *bd = d->bd; 1079 1080 CT_LOCK (bd); 1081 if (d->timeout == 1) 1082 ct_watchdog (d); 1083 if (d->timeout) 1084 d->timeout--; 1085 callout_reset (&d->timeout_handle, hz, ct_watchdog_timer, d); 1086 CT_UNLOCK (bd); 1087} 1088 1089/* 1090 * Transmit callback function. 1091 */ 1092static void ct_transmit (ct_chan_t *c, void *attachment, int len) 1093{ 1094 drv_t *d = c->sys; 1095 1096 if (!d) 1097 return; 1098 d->timeout = 0; 1099#ifndef NETGRAPH 1100 ++d->ifp->if_opackets; 1101 d->ifp->if_drv_flags &= ~IFF_DRV_OACTIVE; 1102#endif 1103 ct_start (d); 1104} 1105 1106/* 1107 * Process the received packet. 1108 */ 1109static void ct_receive (ct_chan_t *c, char *data, int len) 1110{ 1111 drv_t *d = c->sys; 1112 struct mbuf *m; 1113#ifdef NETGRAPH 1114 int error; 1115#endif 1116 1117 if (!d || !d->running) 1118 return; 1119 1120 m = makembuf (data, len); 1121 if (! m) { 1122 CT_DEBUG (d, ("no memory for packet\n")); 1123#ifndef NETGRAPH 1124 ++d->ifp->if_iqdrops; 1125#endif 1126 return; 1127 } 1128 if (c->debug > 1) 1129 printmbuf (m); 1130#ifdef NETGRAPH 1131 m->m_pkthdr.rcvif = 0; 1132 NG_SEND_DATA_ONLY (error, d->hook, m); 1133#else 1134 ++d->ifp->if_ipackets; 1135 m->m_pkthdr.rcvif = d->ifp; 1136 /* Check if there's a BPF listener on this interface. 1137 * If so, hand off the raw packet to bpf. */ 1138 BPF_TAP (d->ifp, data, len); 1139 IF_ENQUEUE (&d->queue, m); 1140#endif 1141} 1142 1143/* 1144 * Error callback function. 1145 */ 1146static void ct_error (ct_chan_t *c, int data) 1147{ 1148 drv_t *d = c->sys; 1149 1150 if (!d) 1151 return; 1152 1153 switch (data) { 1154 case CT_FRAME: 1155 CT_DEBUG (d, ("frame error\n")); 1156#ifndef NETGRAPH 1157 ++d->ifp->if_ierrors; 1158#endif 1159 break; 1160 case CT_CRC: 1161 CT_DEBUG (d, ("crc error\n")); 1162#ifndef NETGRAPH 1163 ++d->ifp->if_ierrors; 1164#endif 1165 break; 1166 case CT_OVERRUN: 1167 CT_DEBUG (d, ("overrun error\n")); 1168#ifndef NETGRAPH 1169 ++d->ifp->if_collisions; 1170 ++d->ifp->if_ierrors; 1171#endif 1172 break; 1173 case CT_OVERFLOW: 1174 CT_DEBUG (d, ("overflow error\n")); 1175#ifndef NETGRAPH 1176 ++d->ifp->if_ierrors; 1177#endif 1178 break; 1179 case CT_UNDERRUN: 1180 CT_DEBUG (d, ("underrun error\n")); 1181 d->timeout = 0; 1182#ifndef NETGRAPH 1183 ++d->ifp->if_oerrors; 1184 d->ifp->if_drv_flags &= ~IFF_DRV_OACTIVE; 1185#endif 1186 ct_start (d); 1187 break; 1188 default: 1189 CT_DEBUG (d, ("error #%d\n", data)); 1190 } 1191} 1192 1193static int ct_open (struct cdev *dev, int oflags, int devtype, struct thread *td) 1194{ 1195 drv_t *d; 1196 1197 if (dev2unit(dev) >= NCTAU*NCHAN || ! (d = channel[dev2unit(dev)])) 1198 return ENXIO; 1199 1200 CT_DEBUG2 (d, ("ct_open\n")); 1201 return 0; 1202} 1203 1204static int ct_close (struct cdev *dev, int fflag, int devtype, struct thread *td) 1205{ 1206 drv_t *d = channel [dev2unit(dev)]; 1207 1208 if (!d) 1209 return 0; 1210 1211 CT_DEBUG2 (d, ("ct_close\n")); 1212 return 0; 1213} 1214 1215static int ct_modem_status (ct_chan_t *c) 1216{ 1217 drv_t *d = c->sys; 1218 bdrv_t *bd; 1219 int status, s; 1220 1221 if (!d) 1222 return 0; 1223 1224 bd = d->bd; 1225 1226 status = d->running ? TIOCM_LE : 0; 1227 s = splimp (); 1228 CT_LOCK (bd); 1229 if (ct_get_cd (c)) status |= TIOCM_CD; 1230 if (ct_get_cts (c)) status |= TIOCM_CTS; 1231 if (ct_get_dsr (c)) status |= TIOCM_DSR; 1232 if (c->dtr) status |= TIOCM_DTR; 1233 if (c->rts) status |= TIOCM_RTS; 1234 CT_UNLOCK (bd); 1235 splx (s); 1236 return status; 1237} 1238 1239/* 1240 * Process an ioctl request on /dev/cronyx/ctauN. 1241 */ 1242static int ct_ioctl (struct cdev *dev, u_long cmd, caddr_t data, int flag, struct thread *td) 1243{ 1244 drv_t *d = channel [dev2unit (dev)]; 1245 bdrv_t *bd; 1246 ct_chan_t *c; 1247 struct serial_statistics *st; 1248 struct e1_statistics *opte1; 1249 int error, s; 1250 char mask[16]; 1251 1252 if (!d || !d->chan) 1253 return 0; 1254 1255 bd = d->bd; 1256 c = d->chan; 1257 1258 switch (cmd) { 1259 case SERIAL_GETREGISTERED: 1260 bzero (mask, sizeof(mask)); 1261 for (s=0; s<NCTAU*NCHAN; ++s) 1262 if (channel [s]) 1263 mask [s/8] |= 1 << (s & 7); 1264 bcopy (mask, data, sizeof (mask)); 1265 return 0; 1266 1267#ifndef NETGRAPH 1268 case SERIAL_GETPROTO: 1269 strcpy ((char*)data, (IFP2SP(d->ifp)->pp_flags & PP_FR) ? "fr" : 1270 (d->ifp->if_flags & PP_CISCO) ? "cisco" : "ppp"); 1271 return 0; 1272 1273 case SERIAL_SETPROTO: 1274 /* Only for superuser! */ 1275 error = priv_check (td, PRIV_DRIVER); 1276 if (error) 1277 return error; 1278 if (d->ifp->if_drv_flags & IFF_DRV_RUNNING) 1279 return EBUSY; 1280 if (! strcmp ("cisco", (char*)data)) { 1281 IFP2SP(d->ifp)->pp_flags &= ~(PP_FR); 1282 IFP2SP(d->ifp)->pp_flags |= PP_KEEPALIVE; 1283 d->ifp->if_flags |= PP_CISCO; 1284 } else if (! strcmp ("fr", (char*)data)) { 1285 d->ifp->if_flags &= ~(PP_CISCO); 1286 IFP2SP(d->ifp)->pp_flags |= PP_FR | PP_KEEPALIVE; 1287 } else if (! strcmp ("ppp", (char*)data)) { 1288 IFP2SP(d->ifp)->pp_flags &= ~(PP_FR | PP_KEEPALIVE); 1289 d->ifp->if_flags &= ~(PP_CISCO); 1290 } else 1291 return EINVAL; 1292 return 0; 1293 1294 case SERIAL_GETKEEPALIVE: 1295 if ((IFP2SP(d->ifp)->pp_flags & PP_FR) || 1296 (d->ifp->if_flags & PP_CISCO)) 1297 return EINVAL; 1298 *(int*)data = (IFP2SP(d->ifp)->pp_flags & PP_KEEPALIVE) ? 1 : 0; 1299 return 0; 1300 1301 case SERIAL_SETKEEPALIVE: 1302 /* Only for superuser! */ 1303 error = priv_check (td, PRIV_DRIVER); 1304 if (error) 1305 return error; 1306 if ((IFP2SP(d->ifp)->pp_flags & PP_FR) || 1307 (d->ifp->if_flags & PP_CISCO)) 1308 return EINVAL; 1309 if (*(int*)data) 1310 IFP2SP(d->ifp)->pp_flags |= PP_KEEPALIVE; 1311 else 1312 IFP2SP(d->ifp)->pp_flags &= ~PP_KEEPALIVE; 1313 return 0; 1314#endif /*NETGRAPH*/ 1315 1316 case SERIAL_GETMODE: 1317 *(int*)data = SERIAL_HDLC; 1318 return 0; 1319 1320 case SERIAL_GETCFG: 1321 if (c->mode == M_HDLC) 1322 return EINVAL; 1323 switch (ct_get_config (c->board)) { 1324 default: *(char*)data = 'a'; break; 1325 case CFG_B: *(char*)data = 'b'; break; 1326 case CFG_C: *(char*)data = 'c'; break; 1327 } 1328 return 0; 1329 1330 case SERIAL_SETCFG: 1331 /* Only for superuser! */ 1332 error = priv_check (td, PRIV_DRIVER); 1333 if (error) 1334 return error; 1335 if (c->mode == M_HDLC) 1336 return EINVAL; 1337 s = splimp (); 1338 CT_LOCK (bd); 1339 switch (*(char*)data) { 1340 case 'a': ct_set_config (c->board, CFG_A); break; 1341 case 'b': ct_set_config (c->board, CFG_B); break; 1342 case 'c': ct_set_config (c->board, CFG_C); break; 1343 } 1344 CT_UNLOCK (bd); 1345 splx (s); 1346 return 0; 1347 1348 case SERIAL_GETSTAT: 1349 st = (struct serial_statistics*) data; 1350 st->rintr = c->rintr; 1351 st->tintr = c->tintr; 1352 st->mintr = c->mintr; 1353 st->ibytes = c->ibytes; 1354 st->ipkts = c->ipkts; 1355 st->ierrs = c->ierrs; 1356 st->obytes = c->obytes; 1357 st->opkts = c->opkts; 1358 st->oerrs = c->oerrs; 1359 return 0; 1360 1361 case SERIAL_GETESTAT: 1362 opte1 = (struct e1_statistics*)data; 1363 opte1->status = c->status; 1364 opte1->cursec = c->cursec; 1365 opte1->totsec = c->totsec + c->cursec; 1366 1367 opte1->currnt.bpv = c->currnt.bpv; 1368 opte1->currnt.fse = c->currnt.fse; 1369 opte1->currnt.crce = c->currnt.crce; 1370 opte1->currnt.rcrce = c->currnt.rcrce; 1371 opte1->currnt.uas = c->currnt.uas; 1372 opte1->currnt.les = c->currnt.les; 1373 opte1->currnt.es = c->currnt.es; 1374 opte1->currnt.bes = c->currnt.bes; 1375 opte1->currnt.ses = c->currnt.ses; 1376 opte1->currnt.oofs = c->currnt.oofs; 1377 opte1->currnt.css = c->currnt.css; 1378 opte1->currnt.dm = c->currnt.dm; 1379 1380 opte1->total.bpv = c->total.bpv + c->currnt.bpv; 1381 opte1->total.fse = c->total.fse + c->currnt.fse; 1382 opte1->total.crce = c->total.crce + c->currnt.crce; 1383 opte1->total.rcrce = c->total.rcrce + c->currnt.rcrce; 1384 opte1->total.uas = c->total.uas + c->currnt.uas; 1385 opte1->total.les = c->total.les + c->currnt.les; 1386 opte1->total.es = c->total.es + c->currnt.es; 1387 opte1->total.bes = c->total.bes + c->currnt.bes; 1388 opte1->total.ses = c->total.ses + c->currnt.ses; 1389 opte1->total.oofs = c->total.oofs + c->currnt.oofs; 1390 opte1->total.css = c->total.css + c->currnt.css; 1391 opte1->total.dm = c->total.dm + c->currnt.dm; 1392 for (s=0; s<48; ++s) { 1393 opte1->interval[s].bpv = c->interval[s].bpv; 1394 opte1->interval[s].fse = c->interval[s].fse; 1395 opte1->interval[s].crce = c->interval[s].crce; 1396 opte1->interval[s].rcrce = c->interval[s].rcrce; 1397 opte1->interval[s].uas = c->interval[s].uas; 1398 opte1->interval[s].les = c->interval[s].les; 1399 opte1->interval[s].es = c->interval[s].es; 1400 opte1->interval[s].bes = c->interval[s].bes; 1401 opte1->interval[s].ses = c->interval[s].ses; 1402 opte1->interval[s].oofs = c->interval[s].oofs; 1403 opte1->interval[s].css = c->interval[s].css; 1404 opte1->interval[s].dm = c->interval[s].dm; 1405 } 1406 return 0; 1407 1408 case SERIAL_CLRSTAT: 1409 /* Only for superuser! */ 1410 error = priv_check (td, PRIV_DRIVER); 1411 if (error) 1412 return error; 1413 c->rintr = 0; 1414 c->tintr = 0; 1415 c->mintr = 0; 1416 c->ibytes = 0; 1417 c->ipkts = 0; 1418 c->ierrs = 0; 1419 c->obytes = 0; 1420 c->opkts = 0; 1421 c->oerrs = 0; 1422 bzero (&c->currnt, sizeof (c->currnt)); 1423 bzero (&c->total, sizeof (c->total)); 1424 bzero (c->interval, sizeof (c->interval)); 1425 return 0; 1426 1427 case SERIAL_GETBAUD: 1428 *(long*)data = ct_get_baud(c); 1429 return 0; 1430 1431 case SERIAL_SETBAUD: 1432 /* Only for superuser! */ 1433 error = priv_check (td, PRIV_DRIVER); 1434 if (error) 1435 return error; 1436 s = splimp (); 1437 CT_LOCK (bd); 1438 ct_set_baud (c, *(long*)data); 1439 CT_UNLOCK (bd); 1440 splx (s); 1441 return 0; 1442 1443 case SERIAL_GETLOOP: 1444 *(int*)data = ct_get_loop (c); 1445 return 0; 1446 1447 case SERIAL_SETLOOP: 1448 /* Only for superuser! */ 1449 error = priv_check (td, PRIV_DRIVER); 1450 if (error) 1451 return error; 1452 s = splimp (); 1453 CT_LOCK (bd); 1454 ct_set_loop (c, *(int*)data); 1455 CT_UNLOCK (bd); 1456 splx (s); 1457 return 0; 1458 1459 case SERIAL_GETDPLL: 1460 if (c->mode == M_E1 || c->mode == M_G703) 1461 return EINVAL; 1462 *(int*)data = ct_get_dpll (c); 1463 return 0; 1464 1465 case SERIAL_SETDPLL: 1466 /* Only for superuser! */ 1467 error = priv_check (td, PRIV_DRIVER); 1468 if (error) 1469 return error; 1470 if (c->mode == M_E1 || c->mode == M_G703) 1471 return EINVAL; 1472 s = splimp (); 1473 CT_LOCK (bd); 1474 ct_set_dpll (c, *(int*)data); 1475 CT_UNLOCK (bd); 1476 splx (s); 1477 return 0; 1478 1479 case SERIAL_GETNRZI: 1480 if (c->mode == M_E1 || c->mode == M_G703) 1481 return EINVAL; 1482 *(int*)data = ct_get_nrzi (c); 1483 return 0; 1484 1485 case SERIAL_SETNRZI: 1486 /* Only for superuser! */ 1487 error = priv_check (td, PRIV_DRIVER); 1488 if (error) 1489 return error; 1490 if (c->mode == M_E1 || c->mode == M_G703) 1491 return EINVAL; 1492 s = splimp (); 1493 CT_LOCK (bd); 1494 ct_set_nrzi (c, *(int*)data); 1495 CT_UNLOCK (bd); 1496 splx (s); 1497 return 0; 1498 1499 case SERIAL_GETDEBUG: 1500 *(int*)data = c->debug; 1501 return 0; 1502 1503 case SERIAL_SETDEBUG: 1504 /* Only for superuser! */ 1505 error = priv_check (td, PRIV_DRIVER); 1506 if (error) 1507 return error; 1508#ifndef NETGRAPH 1509 /* 1510 * The debug_shadow is always greater than zero for logic 1511 * simplicity. For switching debug off the IFF_DEBUG is 1512 * responsible. 1513 */ 1514 c->debug_shadow = (*(int*)data) ? (*(int*)data) : 1; 1515 if (d->ifp->if_flags & IFF_DEBUG) 1516 c->debug = c->debug_shadow; 1517#else 1518 c->debug = *(int*)data; 1519#endif 1520 return 0; 1521 1522 case SERIAL_GETHIGAIN: 1523 if (c->mode != M_E1) 1524 return EINVAL; 1525 *(int*)data = ct_get_higain (c); 1526 return 0; 1527 1528 case SERIAL_SETHIGAIN: 1529 /* Only for superuser! */ 1530 error = priv_check (td, PRIV_DRIVER); 1531 if (error) 1532 return error; 1533 s = splimp (); 1534 CT_LOCK (bd); 1535 ct_set_higain (c, *(int*)data); 1536 CT_UNLOCK (bd); 1537 splx (s); 1538 return 0; 1539 1540 case SERIAL_GETPHONY: 1541 CT_DEBUG2 (d, ("ioctl: getphony\n")); 1542 if (c->mode != M_E1) 1543 return EINVAL; 1544 *(int*)data = c->gopt.phony; 1545 return 0; 1546 1547 case SERIAL_SETPHONY: 1548 CT_DEBUG2 (d, ("ioctl: setphony\n")); 1549 if (c->mode != M_E1) 1550 return EINVAL; 1551 /* Only for superuser! */ 1552 error = priv_check (td, PRIV_DRIVER); 1553 if (error) 1554 return error; 1555 s = splimp (); 1556 CT_LOCK (bd); 1557 ct_set_phony (c, *(int*)data); 1558 CT_UNLOCK (bd); 1559 splx (s); 1560 return 0; 1561 1562 case SERIAL_GETCLK: 1563 if (c->mode != M_E1 && c->mode != M_G703) 1564 return EINVAL; 1565 switch (ct_get_clk(c)) { 1566 default: *(int*)data = E1CLK_INTERNAL; break; 1567 case GCLK_RCV: *(int*)data = E1CLK_RECEIVE; break; 1568 case GCLK_RCLKO: *(int*)data = c->num ? 1569 E1CLK_RECEIVE_CHAN0 : E1CLK_RECEIVE_CHAN1; break; 1570 } 1571 return 0; 1572 1573 case SERIAL_SETCLK: 1574 /* Only for superuser! */ 1575 error = priv_check (td, PRIV_DRIVER); 1576 if (error) 1577 return error; 1578 s = splimp (); 1579 CT_LOCK (bd); 1580 switch (*(int*)data) { 1581 default: ct_set_clk (c, GCLK_INT); break; 1582 case E1CLK_RECEIVE: ct_set_clk (c, GCLK_RCV); break; 1583 case E1CLK_RECEIVE_CHAN0: 1584 case E1CLK_RECEIVE_CHAN1: 1585 ct_set_clk (c, GCLK_RCLKO); break; 1586 } 1587 CT_UNLOCK (bd); 1588 splx (s); 1589 return 0; 1590 1591 case SERIAL_GETTIMESLOTS: 1592 if (c->mode != M_E1) 1593 return EINVAL; 1594 *(long*)data = ct_get_ts (c); 1595 return 0; 1596 1597 case SERIAL_SETTIMESLOTS: 1598 /* Only for superuser! */ 1599 error = priv_check (td, PRIV_DRIVER); 1600 if (error) 1601 return error; 1602 s = splimp (); 1603 CT_LOCK (bd); 1604 ct_set_ts (c, *(long*)data); 1605 CT_UNLOCK (bd); 1606 splx (s); 1607 return 0; 1608 1609 case SERIAL_GETSUBCHAN: 1610 if (c->mode != M_E1) 1611 return EINVAL; 1612 *(long*)data = ct_get_subchan (c->board); 1613 return 0; 1614 1615 case SERIAL_SETSUBCHAN: 1616 /* Only for superuser! */ 1617 error = priv_check (td, PRIV_DRIVER); 1618 if (error) 1619 return error; 1620 s = splimp (); 1621 CT_LOCK (bd); 1622 ct_set_subchan (c->board, *(long*)data); 1623 CT_UNLOCK (bd); 1624 splx (s); 1625 return 0; 1626 1627 case SERIAL_GETINVCLK: 1628 case SERIAL_GETINVTCLK: 1629 if (c->mode == M_E1 || c->mode == M_G703) 1630 return EINVAL; 1631 *(int*)data = ct_get_invtxc (c); 1632 return 0; 1633 1634 case SERIAL_GETINVRCLK: 1635 if (c->mode == M_E1 || c->mode == M_G703) 1636 return EINVAL; 1637 *(int*)data = ct_get_invrxc (c); 1638 return 0; 1639 1640 case SERIAL_SETINVCLK: 1641 case SERIAL_SETINVTCLK: 1642 /* Only for superuser! */ 1643 error = priv_check (td, PRIV_DRIVER); 1644 if (error) 1645 return error; 1646 if (c->mode == M_E1 || c->mode == M_G703) 1647 return EINVAL; 1648 s = splimp (); 1649 CT_LOCK (bd); 1650 ct_set_invtxc (c, *(int*)data); 1651 CT_UNLOCK (bd); 1652 splx (s); 1653 return 0; 1654 1655 case SERIAL_SETINVRCLK: 1656 /* Only for superuser! */ 1657 error = priv_check (td, PRIV_DRIVER); 1658 if (error) 1659 return error; 1660 if (c->mode == M_E1 || c->mode == M_G703) 1661 return EINVAL; 1662 s = splimp (); 1663 CT_LOCK (bd); 1664 ct_set_invrxc (c, *(int*)data); 1665 CT_UNLOCK (bd); 1666 splx (s); 1667 return 0; 1668 1669 case SERIAL_GETLEVEL: 1670 if (c->mode != M_G703) 1671 return EINVAL; 1672 s = splimp (); 1673 CT_LOCK (bd); 1674 *(int*)data = ct_get_lq (c); 1675 CT_UNLOCK (bd); 1676 splx (s); 1677 return 0; 1678 1679 case TIOCSDTR: /* Set DTR */ 1680 s = splimp (); 1681 CT_LOCK (bd); 1682 ct_set_dtr (c, 1); 1683 CT_UNLOCK (bd); 1684 splx (s); 1685 return 0; 1686 1687 case TIOCCDTR: /* Clear DTR */ 1688 s = splimp (); 1689 CT_LOCK (bd); 1690 ct_set_dtr (c, 0); 1691 CT_UNLOCK (bd); 1692 splx (s); 1693 return 0; 1694 1695 case TIOCMSET: /* Set DTR/RTS */ 1696 s = splimp (); 1697 CT_LOCK (bd); 1698 ct_set_dtr (c, (*(int*)data & TIOCM_DTR) ? 1 : 0); 1699 ct_set_rts (c, (*(int*)data & TIOCM_RTS) ? 1 : 0); 1700 CT_UNLOCK (bd); 1701 splx (s); 1702 return 0; 1703 1704 case TIOCMBIS: /* Add DTR/RTS */ 1705 s = splimp (); 1706 CT_LOCK (bd); 1707 if (*(int*)data & TIOCM_DTR) ct_set_dtr (c, 1); 1708 if (*(int*)data & TIOCM_RTS) ct_set_rts (c, 1); 1709 CT_UNLOCK (bd); 1710 splx (s); 1711 return 0; 1712 1713 case TIOCMBIC: /* Clear DTR/RTS */ 1714 s = splimp (); 1715 CT_LOCK (bd); 1716 if (*(int*)data & TIOCM_DTR) ct_set_dtr (c, 0); 1717 if (*(int*)data & TIOCM_RTS) ct_set_rts (c, 0); 1718 CT_UNLOCK (bd); 1719 splx (s); 1720 return 0; 1721 1722 case TIOCMGET: /* Get modem status */ 1723 *(int*)data = ct_modem_status (c); 1724 return 0; 1725 } 1726 return ENOTTY; 1727} 1728 1729#ifdef NETGRAPH 1730static int ng_ct_constructor (node_p node) 1731{ 1732 drv_t *d = NG_NODE_PRIVATE (node); 1733 CT_DEBUG (d, ("Constructor\n")); 1734 return EINVAL; 1735} 1736 1737static int ng_ct_newhook (node_p node, hook_p hook, const char *name) 1738{ 1739 int s; 1740 drv_t *d = NG_NODE_PRIVATE (node); 1741 1742 if (!d) 1743 return EINVAL; 1744 1745 bdrv_t *bd = d->bd; 1746 1747 /* Attach debug hook */ 1748 if (strcmp (name, NG_CT_HOOK_DEBUG) == 0) { 1749 NG_HOOK_SET_PRIVATE (hook, NULL); 1750 d->debug_hook = hook; 1751 return 0; 1752 } 1753 1754 /* Check for raw hook */ 1755 if (strcmp (name, NG_CT_HOOK_RAW) != 0) 1756 return EINVAL; 1757 1758 NG_HOOK_SET_PRIVATE (hook, d); 1759 d->hook = hook; 1760 s = splimp (); 1761 CT_LOCK (bd); 1762 ct_up (d); 1763 CT_UNLOCK (bd); 1764 splx (s); 1765 return 0; 1766} 1767 1768static char *format_timeslots (u_long s) 1769{ 1770 static char buf [100]; 1771 char *p = buf; 1772 int i; 1773 1774 for (i=1; i<32; ++i) 1775 if ((s >> i) & 1) { 1776 int prev = (i > 1) & (s >> (i-1)); 1777 int next = (i < 31) & (s >> (i+1)); 1778 1779 if (prev) { 1780 if (next) 1781 continue; 1782 *p++ = '-'; 1783 } else if (p > buf) 1784 *p++ = ','; 1785 1786 if (i >= 10) 1787 *p++ = '0' + i / 10; 1788 *p++ = '0' + i % 10; 1789 } 1790 *p = 0; 1791 return buf; 1792} 1793 1794static int print_modems (char *s, ct_chan_t *c, int need_header) 1795{ 1796 int status = ct_modem_status (c); 1797 int length = 0; 1798 1799 if (need_header) 1800 length += sprintf (s + length, " LE DTR DSR RTS CTS CD\n"); 1801 length += sprintf (s + length, "%4s %4s %4s %4s %4s %4s\n", 1802 status & TIOCM_LE ? "On" : "-", 1803 status & TIOCM_DTR ? "On" : "-", 1804 status & TIOCM_DSR ? "On" : "-", 1805 status & TIOCM_RTS ? "On" : "-", 1806 status & TIOCM_CTS ? "On" : "-", 1807 status & TIOCM_CD ? "On" : "-"); 1808 return length; 1809} 1810 1811static int print_stats (char *s, ct_chan_t *c, int need_header) 1812{ 1813 struct serial_statistics st; 1814 int length = 0; 1815 1816 st.rintr = c->rintr; 1817 st.tintr = c->tintr; 1818 st.mintr = c->mintr; 1819 st.ibytes = c->ibytes; 1820 st.ipkts = c->ipkts; 1821 st.ierrs = c->ierrs; 1822 st.obytes = c->obytes; 1823 st.opkts = c->opkts; 1824 st.oerrs = c->oerrs; 1825 if (need_header) 1826 length += sprintf (s + length, " Rintr Tintr Mintr Ibytes Ipkts Ierrs Obytes Opkts Oerrs\n"); 1827 length += sprintf (s + length, "%7ld %7ld %7ld %8ld %7ld %7ld %8ld %7ld %7ld\n", 1828 st.rintr, st.tintr, st.mintr, st.ibytes, st.ipkts, 1829 st.ierrs, st.obytes, st.opkts, st.oerrs); 1830 return length; 1831} 1832 1833static char *format_e1_status (u_char status) 1834{ 1835 static char buf [80]; 1836 1837 if (status & E1_NOALARM) 1838 return "Ok"; 1839 buf[0] = 0; 1840 if (status & E1_LOS) strcat (buf, ",LOS"); 1841 if (status & E1_AIS) strcat (buf, ",AIS"); 1842 if (status & E1_LOF) strcat (buf, ",LOF"); 1843 if (status & E1_LOMF) strcat (buf, ",LOMF"); 1844 if (status & E1_FARLOF) strcat (buf, ",FARLOF"); 1845 if (status & E1_AIS16) strcat (buf, ",AIS16"); 1846 if (status & E1_FARLOMF) strcat (buf, ",FARLOMF"); 1847 if (status & E1_TSTREQ) strcat (buf, ",TSTREQ"); 1848 if (status & E1_TSTERR) strcat (buf, ",TSTERR"); 1849 if (buf[0] == ',') 1850 return buf+1; 1851 return "Unknown"; 1852} 1853 1854static int print_frac (char *s, int leftalign, u_long numerator, u_long divider) 1855{ 1856 int n, length = 0; 1857 1858 if (numerator < 1 || divider < 1) { 1859 length += sprintf (s+length, leftalign ? "/- " : " -"); 1860 return length; 1861 } 1862 n = (int) (0.5 + 1000.0 * numerator / divider); 1863 if (n < 1000) { 1864 length += sprintf (s+length, leftalign ? "/.%-3d" : " .%03d", n); 1865 return length; 1866 } 1867 *(s + length) = leftalign ? '/' : ' '; 1868 length ++; 1869 1870 if (n >= 1000000) n = (n+500) / 1000 * 1000; 1871 else if (n >= 100000) n = (n+50) / 100 * 100; 1872 else if (n >= 10000) n = (n+5) / 10 * 10; 1873 1874 switch (n) { 1875 case 1000: length += printf (s+length, ".999"); return length; 1876 case 10000: n = 9990; break; 1877 case 100000: n = 99900; break; 1878 case 1000000: n = 999000; break; 1879 } 1880 if (n < 10000) length += sprintf (s+length, "%d.%d", n/1000, n/10%100); 1881 else if (n < 100000) length += sprintf (s+length, "%d.%d", n/1000, n/100%10); 1882 else if (n < 1000000) length += sprintf (s+length, "%d.", n/1000); 1883 else length += sprintf (s+length, "%d", n/1000); 1884 1885 return length; 1886} 1887 1888static int print_e1_stats (char *s, ct_chan_t *c) 1889{ 1890 struct e1_counters total; 1891 u_long totsec; 1892 int length = 0; 1893 1894 totsec = c->totsec + c->cursec; 1895 total.bpv = c->total.bpv + c->currnt.bpv; 1896 total.fse = c->total.fse + c->currnt.fse; 1897 total.crce = c->total.crce + c->currnt.crce; 1898 total.rcrce = c->total.rcrce + c->currnt.rcrce; 1899 total.uas = c->total.uas + c->currnt.uas; 1900 total.les = c->total.les + c->currnt.les; 1901 total.es = c->total.es + c->currnt.es; 1902 total.bes = c->total.bes + c->currnt.bes; 1903 total.ses = c->total.ses + c->currnt.ses; 1904 total.oofs = c->total.oofs + c->currnt.oofs; 1905 total.css = c->total.css + c->currnt.css; 1906 total.dm = c->total.dm + c->currnt.dm; 1907 1908 length += sprintf (s + length, " Unav/Degr Bpv/Fsyn CRC/RCRC Err/Lerr Sev/Bur Oof/Slp Status\n"); 1909 1910 /* Unavailable seconds, degraded minutes */ 1911 length += print_frac (s + length, 0, c->currnt.uas, c->cursec); 1912 length += print_frac (s + length, 1, 60 * c->currnt.dm, c->cursec); 1913 1914 /* Bipolar violations, frame sync errors */ 1915 length += print_frac (s + length, 0, c->currnt.bpv, c->cursec); 1916 length += print_frac (s + length, 1, c->currnt.fse, c->cursec); 1917 1918 /* CRC errors, remote CRC errors (E-bit) */ 1919 length += print_frac (s + length, 0, c->currnt.crce, c->cursec); 1920 length += print_frac (s + length, 1, c->currnt.rcrce, c->cursec); 1921 1922 /* Errored seconds, line errored seconds */ 1923 length += print_frac (s + length, 0, c->currnt.es, c->cursec); 1924 length += print_frac (s + length, 1, c->currnt.les, c->cursec); 1925 1926 /* Severely errored seconds, burst errored seconds */ 1927 length += print_frac (s + length, 0, c->currnt.ses, c->cursec); 1928 length += print_frac (s + length, 1, c->currnt.bes, c->cursec); 1929 1930 /* Out of frame seconds, controlled slip seconds */ 1931 length += print_frac (s + length, 0, c->currnt.oofs, c->cursec); 1932 length += print_frac (s + length, 1, c->currnt.css, c->cursec); 1933 1934 length += sprintf (s + length, " %s\n", format_e1_status (c->status)); 1935 1936 /* Print total statistics. */ 1937 length += print_frac (s + length, 0, total.uas, totsec); 1938 length += print_frac (s + length, 1, 60 * total.dm, totsec); 1939 1940 length += print_frac (s + length, 0, total.bpv, totsec); 1941 length += print_frac (s + length, 1, total.fse, totsec); 1942 1943 length += print_frac (s + length, 0, total.crce, totsec); 1944 length += print_frac (s + length, 1, total.rcrce, totsec); 1945 1946 length += print_frac (s + length, 0, total.es, totsec); 1947 length += print_frac (s + length, 1, total.les, totsec); 1948 1949 length += print_frac (s + length, 0, total.ses, totsec); 1950 length += print_frac (s + length, 1, total.bes, totsec); 1951 1952 length += print_frac (s + length, 0, total.oofs, totsec); 1953 length += print_frac (s + length, 1, total.css, totsec); 1954 1955 length += sprintf (s + length, " -- Total\n"); 1956 return length; 1957} 1958 1959static int print_chan (char *s, ct_chan_t *c) 1960{ 1961 drv_t *d = c->sys; 1962 bdrv_t *bd = d->bd; 1963 int length = 0; 1964 1965 length += sprintf (s + length, "ct%d", c->board->num * NCHAN + c->num); 1966 if (d->chan->debug) 1967 length += sprintf (s + length, " debug=%d", d->chan->debug); 1968 1969 switch (ct_get_config (c->board)) { 1970 case CFG_A: length += sprintf (s + length, " cfg=A"); break; 1971 case CFG_B: length += sprintf (s + length, " cfg=B"); break; 1972 case CFG_C: length += sprintf (s + length, " cfg=C"); break; 1973 default: length += sprintf (s + length, " cfg=unknown"); break; 1974 } 1975 1976 if (ct_get_baud (c)) 1977 length += sprintf (s + length, " %ld", ct_get_baud (c)); 1978 else 1979 length += sprintf (s + length, " extclock"); 1980 1981 if (c->mode == M_E1 || c->mode == M_G703) 1982 switch (ct_get_clk(c)) { 1983 case GCLK_INT : length += sprintf (s + length, " syn=int"); break; 1984 case GCLK_RCV : length += sprintf (s + length, " syn=rcv"); break; 1985 case GCLK_RCLKO : length += sprintf (s + length, " syn=xrcv"); break; 1986 } 1987 if (c->mode == M_HDLC) { 1988 length += sprintf (s + length, " dpll=%s", ct_get_dpll (c) ? "on" : "off"); 1989 length += sprintf (s + length, " nrzi=%s", ct_get_nrzi (c) ? "on" : "off"); 1990 length += sprintf (s + length, " invtclk=%s", ct_get_invtxc (c) ? "on" : "off"); 1991 length += sprintf (s + length, " invrclk=%s", ct_get_invrxc (c) ? "on" : "off"); 1992 } 1993 if (c->mode == M_E1) 1994 length += sprintf (s + length, " higain=%s", ct_get_higain (c)? "on" : "off"); 1995 1996 length += sprintf (s + length, " loop=%s", ct_get_loop (c) ? "on" : "off"); 1997 1998 if (c->mode == M_E1) 1999 length += sprintf (s + length, " ts=%s", format_timeslots (ct_get_ts(c))); 2000 if (c->mode == M_E1 && ct_get_config (c->board) != CFG_A) 2001 length += sprintf (s + length, " pass=%s", format_timeslots (ct_get_subchan(c->board))); 2002 if (c->mode == M_G703) { 2003 int lq, x; 2004 2005 x = splimp (); 2006 CT_LOCK (bd); 2007 lq = ct_get_lq (c); 2008 CT_UNLOCK (bd); 2009 splx (x); 2010 length += sprintf (s + length, " (level=-%.1fdB)", lq / 10.0); 2011 } 2012 length += sprintf (s + length, "\n"); 2013 return length; 2014} 2015 2016static int ng_ct_rcvmsg (node_p node, item_p item, hook_p lasthook) 2017{ 2018 drv_t *d = NG_NODE_PRIVATE (node); 2019 struct ng_mesg *msg; 2020 struct ng_mesg *resp = NULL; 2021 int error = 0; 2022 2023 if (!d) 2024 return EINVAL; 2025 2026 CT_DEBUG (d, ("Rcvmsg\n")); 2027 NGI_GET_MSG (item, msg); 2028 switch (msg->header.typecookie) { 2029 default: 2030 error = EINVAL; 2031 break; 2032 2033 case NGM_CT_COOKIE: 2034 printf ("Don't forget to implement\n"); 2035 error = EINVAL; 2036 break; 2037 2038 case NGM_GENERIC_COOKIE: 2039 switch (msg->header.cmd) { 2040 default: 2041 error = EINVAL; 2042 break; 2043 2044 case NGM_TEXT_STATUS: { 2045 char *s; 2046 int l = 0; 2047 int dl = sizeof (struct ng_mesg) + 730; 2048 2049 NG_MKRESPONSE (resp, msg, dl, M_NOWAIT); 2050 if (! resp) { 2051 error = ENOMEM; 2052 break; 2053 } 2054 s = (resp)->data; 2055 l += print_chan (s + l, d->chan); 2056 l += print_stats (s + l, d->chan, 1); 2057 l += print_modems (s + l, d->chan, 1); 2058 l += print_e1_stats (s + l, d->chan); 2059 strncpy ((resp)->header.cmdstr, "status", NG_CMDSTRSIZ); 2060 } 2061 break; 2062 } 2063 break; 2064 } 2065 NG_RESPOND_MSG (error, node, item, resp); 2066 NG_FREE_MSG (msg); 2067 return error; 2068} 2069 2070static int ng_ct_rcvdata (hook_p hook, item_p item) 2071{ 2072 drv_t *d = NG_NODE_PRIVATE (NG_HOOK_NODE(hook)); 2073 struct mbuf *m; 2074 struct ng_tag_prio *ptag; 2075 bdrv_t *bd; 2076 struct ifqueue *q; 2077 int s; 2078 2079 if (!d) 2080 return ENETDOWN; 2081 2082 bd = d->bd; 2083 NGI_GET_M (item, m); 2084 NG_FREE_ITEM (item); 2085 if (! NG_HOOK_PRIVATE (hook) || ! d) { 2086 NG_FREE_M (m); 2087 return ENETDOWN; 2088 } 2089 2090 /* Check for high priority data */ 2091 if ((ptag = (struct ng_tag_prio *)m_tag_locate(m, NGM_GENERIC_COOKIE, 2092 NG_TAG_PRIO, NULL)) != NULL && (ptag->priority > NG_PRIO_CUTOFF) ) 2093 q = &d->hi_queue; 2094 else 2095 q = &d->queue; 2096 2097 s = splimp (); 2098 CT_LOCK (bd); 2099 IF_LOCK (q); 2100 if (_IF_QFULL (q)) { 2101 _IF_DROP (q); 2102 IF_UNLOCK (q); 2103 CT_UNLOCK (bd); 2104 splx (s); 2105 NG_FREE_M (m); 2106 return ENOBUFS; 2107 } 2108 _IF_ENQUEUE (q, m); 2109 IF_UNLOCK (q); 2110 ct_start (d); 2111 CT_UNLOCK (bd); 2112 splx (s); 2113 return 0; 2114} 2115 2116static int ng_ct_rmnode (node_p node) 2117{ 2118 drv_t *d = NG_NODE_PRIVATE (node); 2119 bdrv_t *bd; 2120 2121 CT_DEBUG (d, ("Rmnode\n")); 2122 if (d && d->running) { 2123 bd = d->bd; 2124 int s = splimp (); 2125 CT_LOCK (bd); 2126 ct_down (d); 2127 CT_UNLOCK (bd); 2128 splx (s); 2129 } 2130#ifdef KLD_MODULE 2131 if (node->nd_flags & NGF_REALLY_DIE) { 2132 NG_NODE_SET_PRIVATE (node, NULL); 2133 NG_NODE_UNREF (node); 2134 } 2135 NG_NODE_REVIVE(node); /* Persistant node */ 2136#endif 2137 return 0; 2138} 2139 2140static int ng_ct_connect (hook_p hook) 2141{ 2142 drv_t *d = NG_NODE_PRIVATE (NG_HOOK_NODE (hook)); 2143 2144 if (!d) 2145 return 0; 2146 2147 callout_reset (&d->timeout_handle, hz, ct_watchdog_timer, d); 2148 return 0; 2149} 2150 2151static int ng_ct_disconnect (hook_p hook) 2152{ 2153 drv_t *d = NG_NODE_PRIVATE (NG_HOOK_NODE (hook)); 2154 bdrv_t *bd; 2155 2156 if (!d) 2157 return 0; 2158 2159 bd = d->bd; 2160 2161 CT_LOCK (bd); 2162 if (NG_HOOK_PRIVATE (hook)) 2163 ct_down (d); 2164 CT_UNLOCK (bd); 2165 /* If we were wait it than it reasserted now, just stop it. */ 2166 if (!callout_drain (&d->timeout_handle)) 2167 callout_stop (&d->timeout_handle); 2168 return 0; 2169} 2170#endif 2171 2172static int ct_modevent (module_t mod, int type, void *unused) 2173{ 2174 static int load_count = 0; 2175 2176 switch (type) { 2177 case MOD_LOAD: 2178#ifdef NETGRAPH 2179 if (ng_newtype (&typestruct)) 2180 printf ("Failed to register ng_ct\n"); 2181#endif 2182 ++load_count; 2183 callout_init (&timeout_handle, 1); 2184 callout_reset (&timeout_handle, hz*5, ct_timeout, 0); 2185 break; 2186 case MOD_UNLOAD: 2187 if (load_count == 1) { 2188 printf ("Removing device entry for Tau-ISA\n"); 2189#ifdef NETGRAPH 2190 ng_rmtype (&typestruct); 2191#endif 2192 } 2193 /* If we were wait it than it reasserted now, just stop it. */ 2194 if (!callout_drain (&timeout_handle)) 2195 callout_stop (&timeout_handle); 2196 --load_count; 2197 break; 2198 case MOD_SHUTDOWN: 2199 break; 2200 } 2201 return 0; 2202} 2203 2204#ifdef NETGRAPH 2205static struct ng_type typestruct = { 2206 .version = NG_ABI_VERSION, 2207 .name = NG_CT_NODE_TYPE, 2208 .constructor = ng_ct_constructor, 2209 .rcvmsg = ng_ct_rcvmsg, 2210 .shutdown = ng_ct_rmnode, 2211 .newhook = ng_ct_newhook, 2212 .connect = ng_ct_connect, 2213 .rcvdata = ng_ct_rcvdata, 2214 .disconnect = ng_ct_disconnect, 2215}; 2216#endif /*NETGRAPH*/ 2217 2218#ifdef NETGRAPH 2219MODULE_DEPEND (ng_ct, netgraph, NG_ABI_VERSION, NG_ABI_VERSION, NG_ABI_VERSION); 2220#else 2221MODULE_DEPEND (ct, sppp, 1, 1, 1); 2222#endif 2223DRIVER_MODULE (ct, isa, ct_isa_driver, ct_devclass, ct_modevent, NULL); 2224MODULE_VERSION (ct, 1); 2225