if_ct.c revision 147858
1/*- 2 * Cronyx-Tau adapter driver for FreeBSD. 3 * Supports PPP/HDLC and Cisco/HDLC protocol in synchronous mode, 4 * and asyncronous 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: head/sys/dev/ctau/if_ct.c 147858 2005-07-09 14:03:02Z rik $"); 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/socket.h> 36#include <sys/sysctl.h> 37#include <sys/conf.h> 38#include <sys/errno.h> 39#include <sys/tty.h> 40#include <sys/bus.h> 41#include <machine/bus.h> 42#include <sys/rman.h> 43#include <isa/isavar.h> 44#include <sys/interrupt.h> 45#include <vm/vm.h> 46#include <vm/pmap.h> 47#include <net/if.h> 48#include <machine/cpufunc.h> 49#include <machine/cserial.h> 50#include <machine/clock.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 82static int ct_mpsafenet = 1; 83TUNABLE_INT("debug.ctau.mpsafenet", &ct_mpsafenet); 84SYSCTL_NODE(_debug, OID_AUTO, ctau, CTLFLAG_RD, 0, "Cronyx Tau-ISA Adapters"); 85SYSCTL_INT(_debug_ctau, OID_AUTO, mpsafenet, CTLFLAG_RD, &ct_mpsafenet, 0, 86 "Enable/disable MPSAFE network support for Cronyx Tau-ISA Adapters"); 87 88#define CT_LOCK(_bd) do { \ 89 if (ct_mpsafenet) \ 90 mtx_lock (&(_bd)->ct_mtx); \ 91 } while (0) 92#define CT_UNLOCK(_bd) do { \ 93 if (ct_mpsafenet) \ 94 mtx_unlock (&(_bd)->ct_mtx); \ 95 } while (0) 96#define CT_LOCK_ASSERT(_bd) do { \ 97 if (ct_mpsafenet) \ 98 mtx_assert (&(_bd)->ct_mtx, MA_OWNED); \ 99 } while (0) 100 101static void ct_identify __P((driver_t *, device_t)); 102static int ct_probe __P((device_t)); 103static int ct_attach __P((device_t)); 104static int ct_detach __P((device_t)); 105 106static device_method_t ct_isa_methods [] = { 107 DEVMETHOD(device_identify, ct_identify), 108 DEVMETHOD(device_probe, ct_probe), 109 DEVMETHOD(device_attach, ct_attach), 110 DEVMETHOD(device_detach, ct_detach), 111 {0, 0} 112}; 113 114typedef struct _ct_dma_mem_t { 115 unsigned long phys; 116 void *virt; 117 size_t size; 118 bus_dma_tag_t dmat; 119 bus_dmamap_t mapp; 120} ct_dma_mem_t; 121 122typedef struct _drv_t { 123 char name [8]; 124 ct_chan_t *chan; 125 ct_board_t *board; 126 struct _bdrv_t *bd; 127 ct_dma_mem_t dmamem; 128 int running; 129#ifdef NETGRAPH 130 char nodename [NG_NODELEN+1]; 131 hook_p hook; 132 hook_p debug_hook; 133 node_p node; 134 struct ifqueue queue; 135 struct ifqueue hi_queue; 136 short timeout; 137 struct callout timeout_handle; 138#else 139 struct ifqueue queue; 140 struct ifnet *ifp; 141#endif 142 struct cdev *devt; 143} drv_t; 144 145typedef struct _bdrv_t { 146 ct_board_t *board; 147 struct resource *base_res; 148 struct resource *drq_res; 149 struct resource *irq_res; 150 int base_rid; 151 int drq_rid; 152 int irq_rid; 153 void *intrhand; 154 drv_t channel [NCHAN]; 155 struct mtx ct_mtx; 156} bdrv_t; 157 158static driver_t ct_isa_driver = { 159 "ct", 160 ct_isa_methods, 161 sizeof (bdrv_t), 162}; 163 164static devclass_t ct_devclass; 165 166static void ct_receive (ct_chan_t *c, char *data, int len); 167static void ct_transmit (ct_chan_t *c, void *attachment, int len); 168static void ct_error (ct_chan_t *c, int data); 169static void ct_up (drv_t *d); 170static void ct_start (drv_t *d); 171static void ct_down (drv_t *d); 172static void ct_watchdog (drv_t *d); 173#ifdef NETGRAPH 174extern struct ng_type typestruct; 175#else 176static void ct_ifstart (struct ifnet *ifp); 177static void ct_tlf (struct sppp *sp); 178static void ct_tls (struct sppp *sp); 179static void ct_ifwatchdog (struct ifnet *ifp); 180static int ct_sioctl (struct ifnet *ifp, u_long cmd, caddr_t data); 181static void ct_initialize (void *softc); 182#endif 183 184static ct_board_t *adapter [NCTAU]; 185static drv_t *channel [NCTAU*NCHAN]; 186static struct callout led_timo [NCTAU]; 187static struct callout timeout_handle; 188 189/* 190 * Print the mbuf chain, for debug purposes only. 191 */ 192static void printmbuf (struct mbuf *m) 193{ 194 printf ("mbuf:"); 195 for (; m; m=m->m_next) { 196 if (m->m_flags & M_PKTHDR) 197 printf (" HDR %d:", m->m_pkthdr.len); 198 if (m->m_flags & M_EXT) 199 printf (" EXT:"); 200 printf (" %d", m->m_len); 201 } 202 printf ("\n"); 203} 204 205/* 206 * Make an mbuf from data. 207 */ 208static struct mbuf *makembuf (void *buf, u_int len) 209{ 210 struct mbuf *m; 211 212 MGETHDR (m, M_DONTWAIT, MT_DATA); 213 if (! m) 214 return 0; 215 MCLGET (m, M_DONTWAIT); 216 if (! (m->m_flags & M_EXT)) { 217 m_freem (m); 218 return 0; 219 } 220 m->m_pkthdr.len = m->m_len = len; 221 bcopy (buf, mtod (m, caddr_t), len); 222 return m; 223} 224 225static void ct_timeout (void *arg) 226{ 227 drv_t *d; 228 int s, i, k; 229 230 for (i = 0; i < NCTAU; ++i) { 231 if (adapter[i] == NULL) 232 continue; 233 for (k = 0; k < NCHAN; k++) { 234 d = channel[i * NCHAN + k]; 235 if (! d) 236 continue; 237 if (d->chan->mode != M_G703) 238 continue; 239 s = splimp (); 240 CT_LOCK ((bdrv_t *)d->bd); 241 ct_g703_timer (d->chan); 242 CT_UNLOCK ((bdrv_t *)d->bd); 243 splx (s); 244 } 245 } 246 247 callout_reset (&timeout_handle, hz, ct_timeout, 0); 248} 249 250static void ct_led_off (void *arg) 251{ 252 ct_board_t *b = arg; 253 bdrv_t *bd = ((drv_t *)b->chan->sys)->bd; 254 int s = splimp (); 255 256 CT_LOCK (bd); 257 ct_led (b, 0); 258 CT_UNLOCK (bd); 259 splx (s); 260} 261 262/* 263 * Activate interupt handler from DDK. 264 */ 265static void ct_intr (void *arg) 266{ 267 bdrv_t *bd = arg; 268 ct_board_t *b = bd->board; 269#ifndef NETGRAPH 270 int i; 271#endif 272 int s = splimp (); 273 274 CT_LOCK (bd); 275 /* Turn LED on. */ 276 ct_led (b, 1); 277 278 ct_int_handler (b); 279 280 /* Turn LED off 50 msec later. */ 281 callout_reset (&led_timo[b->num], hz/20, ct_led_off, b); 282 CT_UNLOCK (bd); 283 splx (s); 284 285#ifndef NETGRAPH 286 /* Pass packets in a lock-free state */ 287 for (i = 0; i < NCHAN && b->chan[i].type; i++) { 288 drv_t *d = b->chan[i].sys; 289 struct mbuf *m; 290 if (!d || !d->running) 291 continue; 292 while (_IF_QLEN(&d->queue)) { 293 IF_DEQUEUE (&d->queue,m); 294 if (!m) 295 continue; 296 sppp_input (d->ifp, m); 297 } 298 } 299#endif 300} 301 302static int probe_irq (ct_board_t *b, int irq) 303{ 304 int mask, busy, cnt; 305 306 /* Clear pending irq, if any. */ 307 ct_probe_irq (b, -irq); 308 DELAY (100); 309 for (cnt=0; cnt<5; ++cnt) { 310 /* Get the mask of pending irqs, assuming they are busy. 311 * Activate the adapter on given irq. */ 312 busy = ct_probe_irq (b, irq); 313 DELAY (1000); 314 315 /* Get the mask of active irqs. 316 * Deactivate our irq. */ 317 mask = ct_probe_irq (b, -irq); 318 DELAY (100); 319 if ((mask & ~busy) == 1 << irq) { 320 ct_probe_irq (b, 0); 321 /* printf ("ct%d: irq %d ok, mask=0x%04x, busy=0x%04x\n", 322 b->num, irq, mask, busy); */ 323 return 1; 324 } 325 } 326 /* printf ("ct%d: irq %d not functional, mask=0x%04x, busy=0x%04x\n", 327 b->num, irq, mask, busy); */ 328 ct_probe_irq (b, 0); 329 return 0; 330} 331 332static short porttab [] = { 333 0x200, 0x220, 0x240, 0x260, 0x280, 0x2a0, 0x2c0, 0x2e0, 334 0x300, 0x320, 0x340, 0x360, 0x380, 0x3a0, 0x3c0, 0x3e0, 0 335 }; 336static char dmatab [] = { 7, 6, 5, 0 }; 337static char irqtab [] = { 5, 10, 11, 7, 3, 15, 12, 0 }; 338 339static int ct_is_free_res (device_t dev, int rid, int type, u_long start, 340 u_long end, u_long count) 341{ 342 struct resource *res; 343 344 if (!(res = bus_alloc_resource (dev, type, &rid, start, end, count, 345 RF_ALLOCATED))) 346 return 0; 347 348 bus_release_resource (dev, type, rid, res); 349 350 return 1; 351} 352 353static void ct_identify (driver_t *driver, device_t dev) 354{ 355 u_long iobase, rescount; 356 int devcount; 357 device_t *devices; 358 device_t child; 359 devclass_t my_devclass; 360 int i, k; 361 362 if ((my_devclass = devclass_find ("ct")) == NULL) 363 return; 364 365 devclass_get_devices (my_devclass, &devices, &devcount); 366 367 if (devcount == 0) { 368 /* We should find all devices by our self. We could alter other 369 * devices, but we don't have a choise 370 */ 371 for (i = 0; (iobase = porttab [i]) != 0; i++) { 372 if (!ct_is_free_res (dev, 0, SYS_RES_IOPORT, 373 iobase, iobase + NPORT, NPORT)) 374 continue; 375 if (ct_probe_board (iobase, -1, -1) == 0) 376 continue; 377 378 devcount++; 379 child = BUS_ADD_CHILD (dev, ISA_ORDER_SPECULATIVE, "ct", 380 -1); 381 382 if (child == NULL) 383 return; 384 385 device_set_desc_copy (child, "Cronyx Tau-ISA"); 386 device_set_driver (child, driver); 387 bus_set_resource (child, SYS_RES_IOPORT, 0, 388 iobase, NPORT); 389 390 if (devcount >= NCTAU) 391 break; 392 } 393 } else { 394 static short porttab [] = { 395 0x200, 0x220, 0x240, 0x260, 0x280, 0x2a0, 0x2c0, 0x2e0, 396 0x300, 0x320, 0x340, 0x360, 0x380, 0x3a0, 0x3c0, 0x3e0, 0 397 }; 398 /* Lets check user choise. 399 */ 400 for (k = 0; k < devcount; k++) { 401 if (bus_get_resource (devices[k], SYS_RES_IOPORT, 0, 402 &iobase, &rescount) != 0) 403 continue; 404 405 for (i = 0; porttab [i] != 0; i++) { 406 if (porttab [i] != iobase) 407 continue; 408 409 if (!ct_is_free_res (devices[k], 0, SYS_RES_IOPORT, 410 iobase, iobase + NPORT, NPORT)) 411 continue; 412 413 if (ct_probe_board (iobase, -1, -1) == 0) 414 continue; 415 porttab [i] = -1; 416 device_set_desc_copy (devices[k], "Cronyx Tau-ISA"); 417 break; 418 } 419 if (porttab [i] == 0) { 420 device_delete_child ( 421 device_get_parent (devices[k]), 422 devices [k]); 423 devices[k] = 0; 424 continue; 425 } 426 } 427 for (k = 0; k < devcount; k++) { 428 if (devices[k] == 0) 429 continue; 430 if (bus_get_resource (devices[k], SYS_RES_IOPORT, 0, 431 &iobase, &rescount) == 0) 432 continue; 433 for (i = 0; (iobase = porttab [i]) != 0; i++) { 434 if (porttab [i] == -1) 435 continue; 436 if (!ct_is_free_res (devices[k], 0, SYS_RES_IOPORT, 437 iobase, iobase + NPORT, NPORT)) 438 continue; 439 if (ct_probe_board (iobase, -1, -1) == 0) 440 continue; 441 442 bus_set_resource (devices[k], SYS_RES_IOPORT, 0, 443 iobase, NPORT); 444 porttab [i] = -1; 445 device_set_desc_copy (devices[k], "Cronyx Tau-ISA"); 446 break; 447 } 448 if (porttab [i] == 0) { 449 device_delete_child ( 450 device_get_parent (devices[k]), 451 devices [k]); 452 } 453 } 454 free (devices, M_TEMP); 455 } 456 457 return; 458} 459 460static int ct_probe (device_t dev) 461{ 462 int unit = device_get_unit (dev); 463 u_long iobase, rescount; 464 465 if (!device_get_desc (dev) || 466 strcmp (device_get_desc (dev), "Cronyx Tau-ISA")) 467 return ENXIO; 468 469/* KASSERT ((bd != NULL), ("ct%d: NULL device softc\n", unit));*/ 470 if (bus_get_resource (dev, SYS_RES_IOPORT, 0, &iobase, &rescount) != 0) { 471 printf ("ct%d: Couldn't get IOPORT\n", unit); 472 return ENXIO; 473 } 474 475 if (!ct_is_free_res (dev, 0, SYS_RES_IOPORT, 476 iobase, iobase + NPORT, NPORT)) { 477 printf ("ct%d: Resource IOPORT isn't free\n", unit); 478 return ENXIO; 479 } 480 481 if (!ct_probe_board (iobase, -1, -1)) { 482 printf ("ct%d: probing for Tau-ISA at %lx faild\n", unit, iobase); 483 return ENXIO; 484 } 485 486 return 0; 487} 488 489extern struct cdevsw ct_cdevsw; 490 491static void 492ct_bus_dmamap_addr (void *arg, bus_dma_segment_t *segs, int nseg, int error) 493{ 494 unsigned long *addr; 495 496 if (error) 497 return; 498 499 KASSERT(nseg == 1, ("too many DMA segments, %d should be 1", nseg)); 500 addr = arg; 501 *addr = segs->ds_addr; 502} 503 504static int 505ct_bus_dma_mem_alloc (int bnum, int cnum, ct_dma_mem_t *dmem) 506{ 507 int error; 508 509 error = bus_dma_tag_create (NULL, 16, 0, BUS_SPACE_MAXADDR_24BIT, 510 BUS_SPACE_MAXADDR, NULL, NULL, dmem->size, 1, 511 dmem->size, 0, NULL, NULL, &dmem->dmat); 512 if (error) { 513 if (cnum >= 0) printf ("ct%d-%d: ", bnum, cnum); 514 else printf ("ct%d: ", bnum); 515 printf ("couldn't allocate tag for dma memory\n"); 516 return 0; 517 } 518 error = bus_dmamem_alloc (dmem->dmat, (void **)&dmem->virt, 519 BUS_DMA_NOWAIT | BUS_DMA_ZERO, &dmem->mapp); 520 if (error) { 521 if (cnum >= 0) printf ("ct%d-%d: ", bnum, cnum); 522 else printf ("ct%d: ", bnum); 523 printf ("couldn't allocate mem for dma memory\n"); 524 bus_dma_tag_destroy (dmem->dmat); 525 return 0; 526 } 527 error = bus_dmamap_load (dmem->dmat, dmem->mapp, dmem->virt, 528 dmem->size, ct_bus_dmamap_addr, &dmem->phys, 0); 529 if (error) { 530 if (cnum >= 0) printf ("ct%d-%d: ", bnum, cnum); 531 else printf ("ct%d: ", bnum); 532 printf ("couldn't load mem map for dma memory\n"); 533 bus_dmamem_free (dmem->dmat, dmem->virt, dmem->mapp); 534 bus_dma_tag_destroy (dmem->dmat); 535 return 0; 536 } 537 return 1; 538} 539 540static void 541ct_bus_dma_mem_free (ct_dma_mem_t *dmem) 542{ 543 bus_dmamap_unload (dmem->dmat, dmem->mapp); 544 bus_dmamem_free (dmem->dmat, dmem->virt, dmem->mapp); 545 bus_dma_tag_destroy (dmem->dmat); 546} 547 548/* 549 * The adapter is present, initialize the driver structures. 550 */ 551static int ct_attach (device_t dev) 552{ 553 bdrv_t *bd = device_get_softc (dev); 554 u_long iobase, drq, irq, rescount; 555 int unit = device_get_unit (dev); 556 char *ct_ln = CT_LOCK_NAME; 557 ct_board_t *b; 558 ct_chan_t *c; 559 drv_t *d; 560 int i; 561 int s; 562 563 KASSERT ((bd != NULL), ("ct%d: NULL device softc\n", unit)); 564 565 bus_get_resource (dev, SYS_RES_IOPORT, 0, &iobase, &rescount); 566 bd->base_rid = 0; 567 bd->base_res = bus_alloc_resource (dev, SYS_RES_IOPORT, &bd->base_rid, 568 iobase, iobase + NPORT, NPORT, RF_ACTIVE); 569 if (! bd->base_res) { 570 printf ("ct%d: cannot alloc base address\n", unit); 571 return ENXIO; 572 } 573 574 if (bus_get_resource (dev, SYS_RES_DRQ, 0, &drq, &rescount) != 0) { 575 for (i = 0; (drq = dmatab [i]) != 0; i++) { 576 if (!ct_is_free_res (dev, 0, SYS_RES_DRQ, 577 drq, drq + 1, 1)) 578 continue; 579 bus_set_resource (dev, SYS_RES_DRQ, 0, drq, 1); 580 break; 581 } 582 583 if (dmatab[i] == 0) { 584 bus_release_resource (dev, SYS_RES_IOPORT, bd->base_rid, 585 bd->base_res); 586 printf ("ct%d: Couldn't get DRQ\n", unit); 587 return ENXIO; 588 } 589 } 590 591 bd->drq_rid = 0; 592 bd->drq_res = bus_alloc_resource (dev, SYS_RES_DRQ, &bd->drq_rid, 593 drq, drq + 1, 1, RF_ACTIVE); 594 if (! bd->drq_res) { 595 printf ("ct%d: cannot allocate drq\n", unit); 596 bus_release_resource (dev, SYS_RES_IOPORT, bd->base_rid, 597 bd->base_res); 598 return ENXIO; 599 } 600 601 if (bus_get_resource (dev, SYS_RES_IRQ, 0, &irq, &rescount) != 0) { 602 for (i = 0; (irq = irqtab [i]) != 0; i++) { 603 if (!ct_is_free_res (dev, 0, SYS_RES_IRQ, 604 irq, irq + 1, 1)) 605 continue; 606 bus_set_resource (dev, SYS_RES_IRQ, 0, irq, 1); 607 break; 608 } 609 610 if (irqtab[i] == 0) { 611 bus_release_resource (dev, SYS_RES_DRQ, bd->drq_rid, 612 bd->drq_res); 613 bus_release_resource (dev, SYS_RES_IOPORT, bd->base_rid, 614 bd->base_res); 615 printf ("ct%d: Couldn't get IRQ\n", unit); 616 return ENXIO; 617 } 618 } 619 620 bd->irq_rid = 0; 621 bd->irq_res = bus_alloc_resource (dev, SYS_RES_IRQ, &bd->irq_rid, 622 irq, irq + 1, 1, RF_ACTIVE); 623 if (! bd->irq_res) { 624 printf ("ct%d: Couldn't allocate irq\n", unit); 625 bus_release_resource (dev, SYS_RES_DRQ, bd->drq_rid, 626 bd->drq_res); 627 bus_release_resource (dev, SYS_RES_IOPORT, bd->base_rid, 628 bd->base_res); 629 return ENXIO; 630 } 631 632 b = malloc (sizeof (ct_board_t), M_DEVBUF, M_WAITOK); 633 if (!b) { 634 printf ("ct:%d: Couldn't allocate memory\n", unit); 635 return (ENXIO); 636 } 637 adapter[unit] = b; 638 bzero (b, sizeof(ct_board_t)); 639 640 if (! ct_open_board (b, unit, iobase, irq, drq)) { 641 printf ("ct%d: error loading firmware\n", unit); 642 free (b, M_DEVBUF); 643 bus_release_resource (dev, SYS_RES_IRQ, bd->irq_rid, 644 bd->irq_res); 645 bus_release_resource (dev, SYS_RES_DRQ, bd->drq_rid, 646 bd->drq_res); 647 bus_release_resource (dev, SYS_RES_IOPORT, bd->base_rid, 648 bd->base_res); 649 return ENXIO; 650 } 651 652 bd->board = b; 653 654 ct_ln[2] = '0' + unit; 655 mtx_init (&bd->ct_mtx, ct_ln, MTX_NETWORK_LOCK, MTX_DEF|MTX_RECURSE); 656 if (! probe_irq (b, irq)) { 657 printf ("ct%d: irq %ld not functional\n", unit, irq); 658 bd->board = 0; 659 adapter [unit] = 0; 660 free (b, M_DEVBUF); 661 bus_release_resource (dev, SYS_RES_IRQ, bd->irq_rid, 662 bd->irq_res); 663 bus_release_resource (dev, SYS_RES_DRQ, bd->drq_rid, 664 bd->drq_res); 665 bus_release_resource (dev, SYS_RES_IOPORT, bd->base_rid, 666 bd->base_res); 667 mtx_destroy (&bd->ct_mtx); 668 return ENXIO; 669 } 670 671 callout_init (&led_timo[unit], ct_mpsafenet ? CALLOUT_MPSAFE : 0); 672 s = splimp (); 673 if (bus_setup_intr (dev, bd->irq_res, 674 INTR_TYPE_NET|(ct_mpsafenet?INTR_MPSAFE:0), 675 ct_intr, bd, &bd->intrhand)) { 676 printf ("ct%d: Can't setup irq %ld\n", unit, irq); 677 bd->board = 0; 678 adapter [unit] = 0; 679 free (b, M_DEVBUF); 680 bus_release_resource (dev, SYS_RES_IRQ, bd->irq_rid, 681 bd->irq_res); 682 bus_release_resource (dev, SYS_RES_DRQ, bd->drq_rid, 683 bd->drq_res); 684 bus_release_resource (dev, SYS_RES_IOPORT, bd->base_rid, 685 bd->base_res); 686 mtx_destroy (&bd->ct_mtx); 687 splx (s); 688 return ENXIO; 689 } 690 691 CT_LOCK (bd); 692 ct_init_board (b, b->num, b->port, irq, drq, b->type, b->osc); 693 ct_setup_board (b, 0, 0, 0); 694 CT_UNLOCK (bd); 695 696 printf ("ct%d: <Cronyx-%s>, clock %s MHz\n", b->num, b->name, 697 b->osc == 20000000 ? "20" : "16.384"); 698 699 for (c = b->chan; c < b->chan + NCHAN; ++c) { 700 d = &bd->channel[c->num]; 701 d->dmamem.size = sizeof(ct_buf_t); 702 if (! ct_bus_dma_mem_alloc (unit, c->num, &d->dmamem)) 703 continue; 704 d->board = b; 705 d->chan = c; 706 d->bd = bd; 707 c->sys = d; 708 channel [b->num*NCHAN + c->num] = d; 709 sprintf (d->name, "ct%d.%d", b->num, c->num); 710 711#ifdef NETGRAPH 712 if (ng_make_node_common (&typestruct, &d->node) != 0) { 713 printf ("%s: cannot make common node\n", d->name); 714 channel [b->num*NCHAN + c->num] = 0; 715 c->sys = 0; 716 ct_bus_dma_mem_free (&d->dmamem); 717 continue; 718 } 719 NG_NODE_SET_PRIVATE (d->node, d); 720 sprintf (d->nodename, "%s%d", NG_CT_NODE_TYPE, 721 c->board->num*NCHAN + c->num); 722 if (ng_name_node (d->node, d->nodename)) { 723 printf ("%s: cannot name node\n", d->nodename); 724 NG_NODE_UNREF (d->node); 725 channel [b->num*NCHAN + c->num] = 0; 726 c->sys = 0; 727 ct_bus_dma_mem_free (&d->dmamem); 728 continue; 729 } 730 d->queue.ifq_maxlen = IFQ_MAXLEN; 731 d->hi_queue.ifq_maxlen = IFQ_MAXLEN; 732 mtx_init (&d->queue.ifq_mtx, "ct_queue", NULL, MTX_DEF); 733 mtx_init (&d->hi_queue.ifq_mtx, "ct_queue_hi", NULL, MTX_DEF); 734 callout_init (&d->timeout_handle, 735 ct_mpsafenet ? CALLOUT_MPSAFE : 0); 736#else /*NETGRAPH*/ 737 d->ifp = if_alloc(IFT_PPP); 738 if (d->ifp == NULL) { 739 printf ("%s: cannot if_alloc common interface\n", 740 d->name); 741 channel [b->num*NCHAN + c->num] = 0; 742 c->sys = 0; 743 ct_bus_dma_mem_free (&d->dmamem); 744 continue; 745 } 746 d->ifp->if_softc = d; 747 if_initname (d->ifp, "ct", b->num * NCHAN + c->num); 748 d->ifp->if_mtu = PP_MTU; 749 d->ifp->if_flags = IFF_POINTOPOINT | IFF_MULTICAST; 750 if (!ct_mpsafenet) 751 d->ifp->if_flags |= IFF_NEEDSGIANT; 752 d->ifp->if_ioctl = ct_sioctl; 753 d->ifp->if_start = ct_ifstart; 754 d->ifp->if_watchdog = ct_ifwatchdog; 755 d->ifp->if_init = ct_initialize; 756 d->queue.ifq_maxlen = NBUF; 757 mtx_init (&d->queue.ifq_mtx, "ct_queue", NULL, MTX_DEF); 758 sppp_attach (d->ifp); 759 if_attach (d->ifp); 760 IFP2SP(d->ifp)->pp_tlf = ct_tlf; 761 IFP2SP(d->ifp)->pp_tls = ct_tls; 762 /* If BPF is in the kernel, call the attach for it. 763 * Header size is 4 bytes. */ 764 bpfattach (d->ifp, DLT_PPP, 4); 765#endif /*NETGRAPH*/ 766 CT_LOCK (bd); 767 ct_start_chan (c, d->dmamem.virt, d->dmamem.phys); 768 ct_register_receive (c, &ct_receive); 769 ct_register_transmit (c, &ct_transmit); 770 ct_register_error (c, &ct_error); 771 CT_UNLOCK (bd); 772 d->devt = make_dev (&ct_cdevsw, b->num*NCHAN+c->num, UID_ROOT, 773 GID_WHEEL, 0600, "ct%d", b->num*NCHAN+c->num); 774 } 775 splx (s); 776 777 return 0; 778} 779 780static int ct_detach (device_t dev) 781{ 782 bdrv_t *bd = device_get_softc (dev); 783 ct_board_t *b = bd->board; 784 ct_chan_t *c; 785 int s; 786 787 KASSERT (mtx_initialized (&bd->ct_mtx), ("ct mutex not initialized")); 788 789 s = splimp (); 790 CT_LOCK (bd); 791 /* Check if the device is busy (open). */ 792 for (c = b->chan; c < b->chan + NCHAN; ++c) { 793 drv_t *d = (drv_t*) c->sys; 794 795 if (!d || !d->chan->type) 796 continue; 797 798 if (d->running) { 799 CT_UNLOCK (bd); 800 splx (s); 801 return EBUSY; 802 } 803 } 804 805 /* Deactivate the timeout routine. */ 806 callout_stop (&led_timo[b->num]); 807 808 CT_UNLOCK (bd); 809 810 bus_teardown_intr (dev, bd->irq_res, bd->intrhand); 811 bus_deactivate_resource (dev, SYS_RES_IRQ, bd->irq_rid, bd->irq_res); 812 bus_release_resource (dev, SYS_RES_IRQ, bd->irq_rid, bd->irq_res); 813 814 bus_deactivate_resource (dev, SYS_RES_DRQ, bd->drq_rid, bd->drq_res); 815 bus_release_resource (dev, SYS_RES_DRQ, bd->drq_rid, bd->drq_res); 816 817 bus_deactivate_resource (dev, SYS_RES_IOPORT, bd->base_rid, bd->irq_res); 818 bus_release_resource (dev, SYS_RES_IOPORT, bd->base_rid, bd->base_res); 819 820 CT_LOCK (bd); 821 ct_close_board (b); 822 CT_UNLOCK (bd); 823 824 /* Detach the interfaces, free buffer memory. */ 825 for (c = b->chan; c < b->chan + NCHAN; ++c) { 826 drv_t *d = (drv_t*) c->sys; 827 828 if (!d || !d->chan->type) 829 continue; 830 831#ifdef NETGRAPH 832 if (d->node) { 833 ng_rmnode_self (d->node); 834 NG_NODE_UNREF (d->node); 835 d->node = NULL; 836 } 837 mtx_destroy (&d->queue.ifq_mtx); 838 mtx_destroy (&d->hi_queue.ifq_mtx); 839#else 840 /* Detach from the packet filter list of interfaces. */ 841 bpfdetach (d->ifp); 842 843 /* Detach from the sync PPP list. */ 844 sppp_detach (d->ifp); 845 846 if_detach (d->ifp); 847 if_free (d->ifp); 848 IF_DRAIN (&d->queue); 849 mtx_destroy (&d->queue.ifq_mtx); 850#endif 851 destroy_dev (d->devt); 852 } 853 854 CT_LOCK (bd); 855 ct_led_off (b); 856 CT_UNLOCK (bd); 857 callout_drain (&led_timo[b->num]); 858 splx (s); 859 860 s = splimp (); 861 for (c = b->chan; c < b->chan + NCHAN; ++c) { 862 drv_t *d = (drv_t*) c->sys; 863 864 if (!d || !d->chan->type) 865 continue; 866 867 /* Deallocate buffers. */ 868 ct_bus_dma_mem_free (&d->dmamem); 869 } 870 bd->board = 0; 871 adapter [b->num] = 0; 872 free (b, M_DEVBUF); 873 splx (s); 874 875 mtx_destroy (&bd->ct_mtx); 876 877 return 0; 878} 879 880#ifndef NETGRAPH 881static void ct_ifstart (struct ifnet *ifp) 882{ 883 drv_t *d = ifp->if_softc; 884 bdrv_t *bd = d->bd; 885 886 CT_LOCK (bd); 887 ct_start (d); 888 CT_UNLOCK (bd); 889} 890 891static void ct_ifwatchdog (struct ifnet *ifp) 892{ 893 drv_t *d = ifp->if_softc; 894 895 ct_watchdog (d); 896} 897 898static void ct_tlf (struct sppp *sp) 899{ 900 drv_t *d = SP2IFP(sp)->if_softc; 901 902 CT_DEBUG (d, ("ct_tlf\n")); 903/* ct_set_dtr (d->chan, 0);*/ 904/* ct_set_rts (d->chan, 0);*/ 905 if (!(sp->pp_flags & PP_FR) && !(d->ifp->if_flags & PP_CISCO)) 906 sp->pp_down (sp); 907} 908 909static void ct_tls (struct sppp *sp) 910{ 911 drv_t *d = SP2IFP(sp)->if_softc; 912 913 CT_DEBUG (d, ("ct_tls\n")); 914 if (!(sp->pp_flags & PP_FR) && !(d->ifp->if_flags & PP_CISCO)) 915 sp->pp_up (sp); 916} 917 918/* 919 * Initialization of interface. 920 * Ii seems to be never called by upper level. 921 */ 922static void ct_initialize (void *softc) 923{ 924 drv_t *d = softc; 925 926 CT_DEBUG (d, ("ct_initialize\n")); 927} 928 929/* 930 * Process an ioctl request. 931 */ 932static int ct_sioctl (struct ifnet *ifp, u_long cmd, caddr_t data) 933{ 934 drv_t *d = ifp->if_softc; 935 bdrv_t *bd = d->bd; 936 int error, s, was_up, should_be_up; 937 938 was_up = (ifp->if_flags & IFF_RUNNING) != 0; 939 error = sppp_ioctl (ifp, cmd, data); 940 if (error) 941 return error; 942 943 if (! (ifp->if_flags & IFF_DEBUG)) 944 d->chan->debug = 0; 945 else if (! d->chan->debug) 946 d->chan->debug = 1; 947 948 switch (cmd) { 949 default: CT_DEBUG2 (d, ("ioctl 0x%lx\n", cmd)); return 0; 950 case SIOCADDMULTI: CT_DEBUG2 (d, ("SIOCADDMULTI\n")); return 0; 951 case SIOCDELMULTI: CT_DEBUG2 (d, ("SIOCDELMULTI\n")); return 0; 952 case SIOCSIFFLAGS: CT_DEBUG2 (d, ("SIOCSIFFLAGS\n")); break; 953 case SIOCSIFADDR: CT_DEBUG2 (d, ("SIOCSIFADDR\n")); break; 954 } 955 956 /* We get here only in case of SIFFLAGS or SIFADDR. */ 957 s = splimp (); 958 CT_LOCK (bd); 959 should_be_up = (ifp->if_flags & IFF_RUNNING) != 0; 960 if (! was_up && should_be_up) { 961 /* Interface goes up -- start it. */ 962 ct_up (d); 963 ct_start (d); 964 } else if (was_up && ! should_be_up) { 965 /* Interface is going down -- stop it. */ 966 /* if ((IFP2SP(d->ifp)->pp_flags & PP_FR) || (ifp->if_flags & PP_CISCO))*/ 967 ct_down (d); 968 } 969 CT_UNLOCK (bd); 970 splx (s); 971 return 0; 972} 973#endif /*NETGRAPH*/ 974 975/* 976 * Stop the interface. Called on splimp(). 977 */ 978static void ct_down (drv_t *d) 979{ 980 int s = splimp (); 981 CT_DEBUG (d, ("ct_down\n")); 982 ct_set_dtr (d->chan, 0); 983 ct_set_rts (d->chan, 0); 984 d->running = 0; 985 splx (s); 986} 987 988/* 989 * Start the interface. Called on splimp(). 990 */ 991static void ct_up (drv_t *d) 992{ 993 int s = splimp (); 994 CT_DEBUG (d, ("ct_up\n")); 995 ct_set_dtr (d->chan, 1); 996 ct_set_rts (d->chan, 1); 997 d->running = 1; 998 splx (s); 999} 1000 1001/* 1002 * Start output on the (slave) interface. Get another datagram to send 1003 * off of the interface queue, and copy it to the interface 1004 * before starting the output. 1005 */ 1006static void ct_send (drv_t *d) 1007{ 1008 struct mbuf *m; 1009 u_short len; 1010 1011 CT_DEBUG2 (d, ("ct_send, tn=%d\n", d->chan->tn)); 1012 1013 /* No output if the interface is down. */ 1014 if (! d->running) 1015 return; 1016 1017 /* No output if the modem is off. */ 1018 if (! ct_get_dsr (d->chan) && !ct_get_loop (d->chan)) 1019 return; 1020 1021 while (ct_buf_free (d->chan)) { 1022 /* Get the packet to send. */ 1023#ifdef NETGRAPH 1024 IF_DEQUEUE (&d->hi_queue, m); 1025 if (! m) 1026 IF_DEQUEUE (&d->queue, m); 1027#else 1028 m = sppp_dequeue (d->ifp); 1029#endif 1030 if (! m) 1031 return; 1032#ifndef NETGRAPH 1033 if (d->ifp->if_bpf) 1034 BPF_MTAP (d->ifp, m); 1035#endif 1036 len = m->m_pkthdr.len; 1037 if (! m->m_next) 1038 ct_send_packet (d->chan, (u_char*)mtod (m, caddr_t), 1039 len, 0); 1040 else { 1041 m_copydata (m, 0, len, d->chan->tbuf[d->chan->te]); 1042 ct_send_packet (d->chan, d->chan->tbuf[d->chan->te], 1043 len, 0); 1044 } 1045 m_freem (m); 1046 1047 /* Set up transmit timeout, if the transmit ring is not empty. 1048 * Transmit timeout is 10 seconds. */ 1049#ifdef NETGRAPH 1050 d->timeout = 10; 1051#else 1052 d->ifp->if_timer = 10; 1053#endif 1054 } 1055#ifndef NETGRAPH 1056 d->ifp->if_flags |= IFF_OACTIVE; 1057#endif 1058} 1059 1060/* 1061 * Start output on the interface. 1062 * Always called on splimp(). 1063 */ 1064static void ct_start (drv_t *d) 1065{ 1066 int s = splimp (); 1067 1068 if (d->running) { 1069 if (! d->chan->dtr) 1070 ct_set_dtr (d->chan, 1); 1071 if (! d->chan->rts) 1072 ct_set_rts (d->chan, 1); 1073 ct_send (d); 1074 } 1075 1076 splx (s); 1077} 1078 1079/* 1080 * Handle transmit timeouts. 1081 * Recover after lost transmit interrupts. 1082 * Always called on splimp(). 1083 */ 1084static void ct_watchdog (drv_t *d) 1085{ 1086 bdrv_t *bd = d->bd; 1087 int s; 1088 1089 s = splimp (); 1090 CT_LOCK (bd); 1091 CT_DEBUG (d, ("device timeout\n")); 1092 if (d->running) { 1093 ct_setup_chan (d->chan); 1094 ct_start_chan (d->chan, 0, 0); 1095 ct_set_dtr (d->chan, 1); 1096 ct_set_rts (d->chan, 1); 1097 ct_start (d); 1098 } 1099 CT_UNLOCK (bd); 1100 splx (s); 1101} 1102 1103/* 1104 * Transmit callback function. 1105 */ 1106static void ct_transmit (ct_chan_t *c, void *attachment, int len) 1107{ 1108 drv_t *d = c->sys; 1109 1110 if (!d) 1111 return; 1112#ifdef NETGRAPH 1113 d->timeout = 0; 1114#else 1115 ++d->ifp->if_opackets; 1116 d->ifp->if_flags &= ~IFF_OACTIVE; 1117 d->ifp->if_timer = 0; 1118#endif 1119 ct_start (d); 1120} 1121 1122/* 1123 * Process the received packet. 1124 */ 1125static void ct_receive (ct_chan_t *c, char *data, int len) 1126{ 1127 drv_t *d = c->sys; 1128 struct mbuf *m; 1129#ifdef NETGRAPH 1130 int error; 1131#endif 1132 1133 if (!d || !d->running) 1134 return; 1135 1136 m = makembuf (data, len); 1137 if (! m) { 1138 CT_DEBUG (d, ("no memory for packet\n")); 1139#ifndef NETGRAPH 1140 ++d->ifp->if_iqdrops; 1141#endif 1142 return; 1143 } 1144 if (c->debug > 1) 1145 printmbuf (m); 1146#ifdef NETGRAPH 1147 m->m_pkthdr.rcvif = 0; 1148 NG_SEND_DATA_ONLY (error, d->hook, m); 1149#else 1150 ++d->ifp->if_ipackets; 1151 m->m_pkthdr.rcvif = d->ifp; 1152 /* Check if there's a BPF listener on this interface. 1153 * If so, hand off the raw packet to bpf. */ 1154 if (d->ifp->if_bpf) 1155 BPF_TAP (d->ifp, data, len); 1156 IF_ENQUEUE (&d->queue, m); 1157#endif 1158} 1159 1160/* 1161 * Error callback function. 1162 */ 1163static void ct_error (ct_chan_t *c, int data) 1164{ 1165 drv_t *d = c->sys; 1166 1167 if (!d) 1168 return; 1169 1170 switch (data) { 1171 case CT_FRAME: 1172 CT_DEBUG (d, ("frame error\n")); 1173#ifndef NETGRAPH 1174 ++d->ifp->if_ierrors; 1175#endif 1176 break; 1177 case CT_CRC: 1178 CT_DEBUG (d, ("crc error\n")); 1179#ifndef NETGRAPH 1180 ++d->ifp->if_ierrors; 1181#endif 1182 break; 1183 case CT_OVERRUN: 1184 CT_DEBUG (d, ("overrun error\n")); 1185#ifndef NETGRAPH 1186 ++d->ifp->if_collisions; 1187 ++d->ifp->if_ierrors; 1188#endif 1189 break; 1190 case CT_OVERFLOW: 1191 CT_DEBUG (d, ("overflow error\n")); 1192#ifndef NETGRAPH 1193 ++d->ifp->if_ierrors; 1194#endif 1195 break; 1196 case CT_UNDERRUN: 1197 CT_DEBUG (d, ("underrun error\n")); 1198#ifdef NETGRAPH 1199 d->timeout = 0; 1200#else 1201 ++d->ifp->if_oerrors; 1202 d->ifp->if_flags &= ~IFF_OACTIVE; 1203 d->ifp->if_timer = 0; 1204#endif 1205 ct_start (d); 1206 break; 1207 default: 1208 CT_DEBUG (d, ("error #%d\n", data)); 1209 } 1210} 1211 1212static int ct_open (struct cdev *dev, int oflags, int devtype, struct thread *td) 1213{ 1214 drv_t *d; 1215 1216 if (minor(dev) >= NCTAU*NCHAN || ! (d = channel[minor(dev)])) 1217 return ENXIO; 1218 1219 CT_DEBUG2 (d, ("ct_open\n")); 1220 return 0; 1221} 1222 1223static int ct_close (struct cdev *dev, int fflag, int devtype, struct thread *td) 1224{ 1225 drv_t *d = channel [minor(dev)]; 1226 1227 if (!d) 1228 return 0; 1229 1230 CT_DEBUG2 (d, ("ct_close\n")); 1231 return 0; 1232} 1233 1234static int ct_modem_status (ct_chan_t *c) 1235{ 1236 drv_t *d = c->sys; 1237 bdrv_t *bd; 1238 int status, s; 1239 1240 if (!d) 1241 return 0; 1242 1243 bd = d->bd; 1244 1245 status = d->running ? TIOCM_LE : 0; 1246 s = splimp (); 1247 CT_LOCK (bd); 1248 if (ct_get_cd (c)) status |= TIOCM_CD; 1249 if (ct_get_cts (c)) status |= TIOCM_CTS; 1250 if (ct_get_dsr (c)) status |= TIOCM_DSR; 1251 if (c->dtr) status |= TIOCM_DTR; 1252 if (c->rts) status |= TIOCM_RTS; 1253 CT_UNLOCK (bd); 1254 splx (s); 1255 return status; 1256} 1257 1258/* 1259 * Process an ioctl request on /dev/cronyx/ctauN. 1260 */ 1261static int ct_ioctl (struct cdev *dev, u_long cmd, caddr_t data, int flag, struct thread *td) 1262{ 1263 drv_t *d = channel [minor (dev)]; 1264 bdrv_t *bd; 1265 ct_chan_t *c; 1266 struct serial_statistics *st; 1267 struct e1_statistics *opte1; 1268 int error, s; 1269 char mask[16]; 1270 1271 if (!d || !d->chan) 1272 return 0; 1273 1274 bd = d->bd; 1275 c = d->chan; 1276 1277 switch (cmd) { 1278 case SERIAL_GETREGISTERED: 1279 bzero (mask, sizeof(mask)); 1280 for (s=0; s<NCTAU*NCHAN; ++s) 1281 if (channel [s]) 1282 mask [s/8] |= 1 << (s & 7); 1283 bcopy (mask, data, sizeof (mask)); 1284 return 0; 1285 1286#ifndef NETGRAPH 1287 case SERIAL_GETPROTO: 1288 strcpy ((char*)data, (IFP2SP(d->ifp)->pp_flags & PP_FR) ? "fr" : 1289 (d->ifp->if_flags & PP_CISCO) ? "cisco" : "ppp"); 1290 return 0; 1291 1292 case SERIAL_SETPROTO: 1293 /* Only for superuser! */ 1294 error = suser (td); 1295 if (error) 1296 return error; 1297 if (d->ifp->if_flags & IFF_RUNNING) 1298 return EBUSY; 1299 if (! strcmp ("cisco", (char*)data)) { 1300 IFP2SP(d->ifp)->pp_flags &= ~(PP_FR); 1301 IFP2SP(d->ifp)->pp_flags |= PP_KEEPALIVE; 1302 d->ifp->if_flags |= PP_CISCO; 1303 } else if (! strcmp ("fr", (char*)data)) { 1304 d->ifp->if_flags &= ~(PP_CISCO); 1305 IFP2SP(d->ifp)->pp_flags |= PP_FR | PP_KEEPALIVE; 1306 } else if (! strcmp ("ppp", (char*)data)) { 1307 IFP2SP(d->ifp)->pp_flags &= ~(PP_FR | PP_KEEPALIVE); 1308 d->ifp->if_flags &= ~(PP_CISCO); 1309 } else 1310 return EINVAL; 1311 return 0; 1312 1313 case SERIAL_GETKEEPALIVE: 1314 if ((IFP2SP(d->ifp)->pp_flags & PP_FR) || 1315 (d->ifp->if_flags & PP_CISCO)) 1316 return EINVAL; 1317 *(int*)data = (IFP2SP(d->ifp)->pp_flags & PP_KEEPALIVE) ? 1 : 0; 1318 return 0; 1319 1320 case SERIAL_SETKEEPALIVE: 1321 /* Only for superuser! */ 1322 error = suser (td); 1323 if (error) 1324 return error; 1325 if ((IFP2SP(d->ifp)->pp_flags & PP_FR) || 1326 (d->ifp->if_flags & PP_CISCO)) 1327 return EINVAL; 1328 if (*(int*)data) 1329 IFP2SP(d->ifp)->pp_flags |= PP_KEEPALIVE; 1330 else 1331 IFP2SP(d->ifp)->pp_flags &= ~PP_KEEPALIVE; 1332 return 0; 1333#endif /*NETGRAPH*/ 1334 1335 case SERIAL_GETMODE: 1336 *(int*)data = SERIAL_HDLC; 1337 return 0; 1338 1339 case SERIAL_GETCFG: 1340 if (c->mode == M_HDLC) 1341 return EINVAL; 1342 switch (ct_get_config (c->board)) { 1343 default: *(char*)data = 'a'; break; 1344 case CFG_B: *(char*)data = 'b'; break; 1345 case CFG_C: *(char*)data = 'c'; break; 1346 } 1347 return 0; 1348 1349 case SERIAL_SETCFG: 1350 /* Only for superuser! */ 1351 error = suser (td); 1352 if (error) 1353 return error; 1354 if (c->mode == M_HDLC) 1355 return EINVAL; 1356 s = splimp (); 1357 CT_LOCK (bd); 1358 switch (*(char*)data) { 1359 case 'a': ct_set_config (c->board, CFG_A); break; 1360 case 'b': ct_set_config (c->board, CFG_B); break; 1361 case 'c': ct_set_config (c->board, CFG_C); break; 1362 } 1363 CT_UNLOCK (bd); 1364 splx (s); 1365 return 0; 1366 1367 case SERIAL_GETSTAT: 1368 st = (struct serial_statistics*) data; 1369 st->rintr = c->rintr; 1370 st->tintr = c->tintr; 1371 st->mintr = c->mintr; 1372 st->ibytes = c->ibytes; 1373 st->ipkts = c->ipkts; 1374 st->ierrs = c->ierrs; 1375 st->obytes = c->obytes; 1376 st->opkts = c->opkts; 1377 st->oerrs = c->oerrs; 1378 return 0; 1379 1380 case SERIAL_GETESTAT: 1381 opte1 = (struct e1_statistics*)data; 1382 opte1->status = c->status; 1383 opte1->cursec = c->cursec; 1384 opte1->totsec = c->totsec + c->cursec; 1385 1386 opte1->currnt.bpv = c->currnt.bpv; 1387 opte1->currnt.fse = c->currnt.fse; 1388 opte1->currnt.crce = c->currnt.crce; 1389 opte1->currnt.rcrce = c->currnt.rcrce; 1390 opte1->currnt.uas = c->currnt.uas; 1391 opte1->currnt.les = c->currnt.les; 1392 opte1->currnt.es = c->currnt.es; 1393 opte1->currnt.bes = c->currnt.bes; 1394 opte1->currnt.ses = c->currnt.ses; 1395 opte1->currnt.oofs = c->currnt.oofs; 1396 opte1->currnt.css = c->currnt.css; 1397 opte1->currnt.dm = c->currnt.dm; 1398 1399 opte1->total.bpv = c->total.bpv + c->currnt.bpv; 1400 opte1->total.fse = c->total.fse + c->currnt.fse; 1401 opte1->total.crce = c->total.crce + c->currnt.crce; 1402 opte1->total.rcrce = c->total.rcrce + c->currnt.rcrce; 1403 opte1->total.uas = c->total.uas + c->currnt.uas; 1404 opte1->total.les = c->total.les + c->currnt.les; 1405 opte1->total.es = c->total.es + c->currnt.es; 1406 opte1->total.bes = c->total.bes + c->currnt.bes; 1407 opte1->total.ses = c->total.ses + c->currnt.ses; 1408 opte1->total.oofs = c->total.oofs + c->currnt.oofs; 1409 opte1->total.css = c->total.css + c->currnt.css; 1410 opte1->total.dm = c->total.dm + c->currnt.dm; 1411 for (s=0; s<48; ++s) { 1412 opte1->interval[s].bpv = c->interval[s].bpv; 1413 opte1->interval[s].fse = c->interval[s].fse; 1414 opte1->interval[s].crce = c->interval[s].crce; 1415 opte1->interval[s].rcrce = c->interval[s].rcrce; 1416 opte1->interval[s].uas = c->interval[s].uas; 1417 opte1->interval[s].les = c->interval[s].les; 1418 opte1->interval[s].es = c->interval[s].es; 1419 opte1->interval[s].bes = c->interval[s].bes; 1420 opte1->interval[s].ses = c->interval[s].ses; 1421 opte1->interval[s].oofs = c->interval[s].oofs; 1422 opte1->interval[s].css = c->interval[s].css; 1423 opte1->interval[s].dm = c->interval[s].dm; 1424 } 1425 return 0; 1426 1427 case SERIAL_CLRSTAT: 1428 /* Only for superuser! */ 1429 error = suser (td); 1430 if (error) 1431 return error; 1432 c->rintr = 0; 1433 c->tintr = 0; 1434 c->mintr = 0; 1435 c->ibytes = 0; 1436 c->ipkts = 0; 1437 c->ierrs = 0; 1438 c->obytes = 0; 1439 c->opkts = 0; 1440 c->oerrs = 0; 1441 bzero (&c->currnt, sizeof (c->currnt)); 1442 bzero (&c->total, sizeof (c->total)); 1443 bzero (c->interval, sizeof (c->interval)); 1444 return 0; 1445 1446 case SERIAL_GETBAUD: 1447 *(long*)data = ct_get_baud(c); 1448 return 0; 1449 1450 case SERIAL_SETBAUD: 1451 /* Only for superuser! */ 1452 error = suser (td); 1453 if (error) 1454 return error; 1455 s = splimp (); 1456 CT_LOCK (bd); 1457 ct_set_baud (c, *(long*)data); 1458 CT_UNLOCK (bd); 1459 splx (s); 1460 return 0; 1461 1462 case SERIAL_GETLOOP: 1463 *(int*)data = ct_get_loop (c); 1464 return 0; 1465 1466 case SERIAL_SETLOOP: 1467 /* Only for superuser! */ 1468 error = suser (td); 1469 if (error) 1470 return error; 1471 s = splimp (); 1472 CT_LOCK (bd); 1473 ct_set_loop (c, *(int*)data); 1474 CT_UNLOCK (bd); 1475 splx (s); 1476 return 0; 1477 1478 case SERIAL_GETDPLL: 1479 if (c->mode == M_E1 || c->mode == M_G703) 1480 return EINVAL; 1481 *(int*)data = ct_get_dpll (c); 1482 return 0; 1483 1484 case SERIAL_SETDPLL: 1485 /* Only for superuser! */ 1486 error = suser (td); 1487 if (error) 1488 return error; 1489 if (c->mode == M_E1 || c->mode == M_G703) 1490 return EINVAL; 1491 s = splimp (); 1492 CT_LOCK (bd); 1493 ct_set_dpll (c, *(int*)data); 1494 CT_UNLOCK (bd); 1495 splx (s); 1496 return 0; 1497 1498 case SERIAL_GETNRZI: 1499 if (c->mode == M_E1 || c->mode == M_G703) 1500 return EINVAL; 1501 *(int*)data = ct_get_nrzi (c); 1502 return 0; 1503 1504 case SERIAL_SETNRZI: 1505 /* Only for superuser! */ 1506 error = suser (td); 1507 if (error) 1508 return error; 1509 if (c->mode == M_E1 || c->mode == M_G703) 1510 return EINVAL; 1511 s = splimp (); 1512 CT_LOCK (bd); 1513 ct_set_nrzi (c, *(int*)data); 1514 CT_UNLOCK (bd); 1515 splx (s); 1516 return 0; 1517 1518 case SERIAL_GETDEBUG: 1519 *(int*)data = c->debug; 1520 return 0; 1521 1522 case SERIAL_SETDEBUG: 1523 /* Only for superuser! */ 1524 error = suser (td); 1525 if (error) 1526 return error; 1527 c->debug = *(int*)data; 1528#ifndef NETGRAPH 1529 if (d->chan->debug) 1530 d->ifp->if_flags |= IFF_DEBUG; 1531 else 1532 d->ifp->if_flags &= (~IFF_DEBUG); 1533#endif 1534 return 0; 1535 1536 case SERIAL_GETHIGAIN: 1537 if (c->mode != M_E1) 1538 return EINVAL; 1539 *(int*)data = ct_get_higain (c); 1540 return 0; 1541 1542 case SERIAL_SETHIGAIN: 1543 /* Only for superuser! */ 1544 error = suser (td); 1545 if (error) 1546 return error; 1547 s = splimp (); 1548 CT_LOCK (bd); 1549 ct_set_higain (c, *(int*)data); 1550 CT_UNLOCK (bd); 1551 splx (s); 1552 return 0; 1553 1554 case SERIAL_GETPHONY: 1555 CT_DEBUG2 (d, ("ioctl: getphony\n")); 1556 if (c->mode != M_E1) 1557 return EINVAL; 1558 *(int*)data = c->gopt.phony; 1559 return 0; 1560 1561 case SERIAL_SETPHONY: 1562 CT_DEBUG2 (d, ("ioctl: setphony\n")); 1563 if (c->mode != M_E1) 1564 return EINVAL; 1565 /* Only for superuser! */ 1566 error = suser (td); 1567 if (error) 1568 return error; 1569 s = splimp (); 1570 CT_LOCK (bd); 1571 ct_set_phony (c, *(int*)data); 1572 CT_UNLOCK (bd); 1573 splx (s); 1574 return 0; 1575 1576 case SERIAL_GETCLK: 1577 if (c->mode != M_E1 && c->mode != M_G703) 1578 return EINVAL; 1579 switch (ct_get_clk(c)) { 1580 default: *(int*)data = E1CLK_INTERNAL; break; 1581 case GCLK_RCV: *(int*)data = E1CLK_RECEIVE; break; 1582 case GCLK_RCLKO: *(int*)data = c->num ? 1583 E1CLK_RECEIVE_CHAN0 : E1CLK_RECEIVE_CHAN1; break; 1584 } 1585 return 0; 1586 1587 case SERIAL_SETCLK: 1588 /* Only for superuser! */ 1589 error = suser (td); 1590 if (error) 1591 return error; 1592 s = splimp (); 1593 CT_LOCK (bd); 1594 switch (*(int*)data) { 1595 default: ct_set_clk (c, GCLK_INT); break; 1596 case E1CLK_RECEIVE: ct_set_clk (c, GCLK_RCV); break; 1597 case E1CLK_RECEIVE_CHAN0: 1598 case E1CLK_RECEIVE_CHAN1: 1599 ct_set_clk (c, GCLK_RCLKO); break; 1600 } 1601 CT_UNLOCK (bd); 1602 splx (s); 1603 return 0; 1604 1605 case SERIAL_GETTIMESLOTS: 1606 if (c->mode != M_E1) 1607 return EINVAL; 1608 *(long*)data = ct_get_ts (c); 1609 return 0; 1610 1611 case SERIAL_SETTIMESLOTS: 1612 /* Only for superuser! */ 1613 error = suser (td); 1614 if (error) 1615 return error; 1616 s = splimp (); 1617 CT_LOCK (bd); 1618 ct_set_ts (c, *(long*)data); 1619 CT_UNLOCK (bd); 1620 splx (s); 1621 return 0; 1622 1623 case SERIAL_GETSUBCHAN: 1624 if (c->mode != M_E1) 1625 return EINVAL; 1626 *(long*)data = ct_get_subchan (c->board); 1627 return 0; 1628 1629 case SERIAL_SETSUBCHAN: 1630 /* Only for superuser! */ 1631 error = suser (td); 1632 if (error) 1633 return error; 1634 s = splimp (); 1635 CT_LOCK (bd); 1636 ct_set_subchan (c->board, *(long*)data); 1637 CT_UNLOCK (bd); 1638 splx (s); 1639 return 0; 1640 1641 case SERIAL_GETINVCLK: 1642 case SERIAL_GETINVTCLK: 1643 if (c->mode == M_E1 || c->mode == M_G703) 1644 return EINVAL; 1645 *(int*)data = ct_get_invtxc (c); 1646 return 0; 1647 1648 case SERIAL_GETINVRCLK: 1649 if (c->mode == M_E1 || c->mode == M_G703) 1650 return EINVAL; 1651 *(int*)data = ct_get_invrxc (c); 1652 return 0; 1653 1654 case SERIAL_SETINVCLK: 1655 case SERIAL_SETINVTCLK: 1656 /* Only for superuser! */ 1657 error = suser (td); 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_invtxc (c, *(int*)data); 1665 CT_UNLOCK (bd); 1666 splx (s); 1667 return 0; 1668 1669 case SERIAL_SETINVRCLK: 1670 /* Only for superuser! */ 1671 error = suser (td); 1672 if (error) 1673 return error; 1674 if (c->mode == M_E1 || c->mode == M_G703) 1675 return EINVAL; 1676 s = splimp (); 1677 CT_LOCK (bd); 1678 ct_set_invrxc (c, *(int*)data); 1679 CT_UNLOCK (bd); 1680 splx (s); 1681 return 0; 1682 1683 case SERIAL_GETLEVEL: 1684 if (c->mode != M_G703) 1685 return EINVAL; 1686 s = splimp (); 1687 CT_LOCK (bd); 1688 *(int*)data = ct_get_lq (c); 1689 CT_UNLOCK (bd); 1690 splx (s); 1691 return 0; 1692 1693 case TIOCSDTR: /* Set DTR */ 1694 s = splimp (); 1695 CT_LOCK (bd); 1696 ct_set_dtr (c, 1); 1697 CT_UNLOCK (bd); 1698 splx (s); 1699 return 0; 1700 1701 case TIOCCDTR: /* Clear DTR */ 1702 s = splimp (); 1703 CT_LOCK (bd); 1704 ct_set_dtr (c, 0); 1705 CT_UNLOCK (bd); 1706 splx (s); 1707 return 0; 1708 1709 case TIOCMSET: /* Set DTR/RTS */ 1710 s = splimp (); 1711 CT_LOCK (bd); 1712 ct_set_dtr (c, (*(int*)data & TIOCM_DTR) ? 1 : 0); 1713 ct_set_rts (c, (*(int*)data & TIOCM_RTS) ? 1 : 0); 1714 CT_UNLOCK (bd); 1715 splx (s); 1716 return 0; 1717 1718 case TIOCMBIS: /* Add DTR/RTS */ 1719 s = splimp (); 1720 CT_LOCK (bd); 1721 if (*(int*)data & TIOCM_DTR) ct_set_dtr (c, 1); 1722 if (*(int*)data & TIOCM_RTS) ct_set_rts (c, 1); 1723 CT_UNLOCK (bd); 1724 splx (s); 1725 return 0; 1726 1727 case TIOCMBIC: /* Clear DTR/RTS */ 1728 s = splimp (); 1729 CT_LOCK (bd); 1730 if (*(int*)data & TIOCM_DTR) ct_set_dtr (c, 0); 1731 if (*(int*)data & TIOCM_RTS) ct_set_rts (c, 0); 1732 CT_UNLOCK (bd); 1733 splx (s); 1734 return 0; 1735 1736 case TIOCMGET: /* Get modem status */ 1737 *(int*)data = ct_modem_status (c); 1738 return 0; 1739 } 1740 return ENOTTY; 1741} 1742 1743static struct cdevsw ct_cdevsw = { 1744 .d_version = D_VERSION, 1745 .d_open = ct_open, 1746 .d_close = ct_close, 1747 .d_ioctl = ct_ioctl, 1748 .d_name = "ct", 1749 .d_flags = D_NEEDGIANT, 1750}; 1751 1752#ifdef NETGRAPH 1753static int ng_ct_constructor (node_p node) 1754{ 1755 drv_t *d = NG_NODE_PRIVATE (node); 1756 CT_DEBUG (d, ("Constructor\n")); 1757 return EINVAL; 1758} 1759 1760static int ng_ct_newhook (node_p node, hook_p hook, const char *name) 1761{ 1762 int s; 1763 drv_t *d = NG_NODE_PRIVATE (node); 1764 1765 if (!d) 1766 return EINVAL; 1767 1768 bdrv_t *bd = d->bd; 1769 1770 /* Attach debug hook */ 1771 if (strcmp (name, NG_CT_HOOK_DEBUG) == 0) { 1772 NG_HOOK_SET_PRIVATE (hook, NULL); 1773 d->debug_hook = hook; 1774 return 0; 1775 } 1776 1777 /* Check for raw hook */ 1778 if (strcmp (name, NG_CT_HOOK_RAW) != 0) 1779 return EINVAL; 1780 1781 NG_HOOK_SET_PRIVATE (hook, d); 1782 d->hook = hook; 1783 s = splimp (); 1784 CT_LOCK (bd); 1785 ct_up (d); 1786 CT_UNLOCK (bd); 1787 splx (s); 1788 return 0; 1789} 1790 1791static char *format_timeslots (u_long s) 1792{ 1793 static char buf [100]; 1794 char *p = buf; 1795 int i; 1796 1797 for (i=1; i<32; ++i) 1798 if ((s >> i) & 1) { 1799 int prev = (i > 1) & (s >> (i-1)); 1800 int next = (i < 31) & (s >> (i+1)); 1801 1802 if (prev) { 1803 if (next) 1804 continue; 1805 *p++ = '-'; 1806 } else if (p > buf) 1807 *p++ = ','; 1808 1809 if (i >= 10) 1810 *p++ = '0' + i / 10; 1811 *p++ = '0' + i % 10; 1812 } 1813 *p = 0; 1814 return buf; 1815} 1816 1817static int print_modems (char *s, ct_chan_t *c, int need_header) 1818{ 1819 int status = ct_modem_status (c); 1820 int length = 0; 1821 1822 if (need_header) 1823 length += sprintf (s + length, " LE DTR DSR RTS CTS CD\n"); 1824 length += sprintf (s + length, "%4s %4s %4s %4s %4s %4s\n", 1825 status & TIOCM_LE ? "On" : "-", 1826 status & TIOCM_DTR ? "On" : "-", 1827 status & TIOCM_DSR ? "On" : "-", 1828 status & TIOCM_RTS ? "On" : "-", 1829 status & TIOCM_CTS ? "On" : "-", 1830 status & TIOCM_CD ? "On" : "-"); 1831 return length; 1832} 1833 1834static int print_stats (char *s, ct_chan_t *c, int need_header) 1835{ 1836 struct serial_statistics st; 1837 int length = 0; 1838 1839 st.rintr = c->rintr; 1840 st.tintr = c->tintr; 1841 st.mintr = c->mintr; 1842 st.ibytes = c->ibytes; 1843 st.ipkts = c->ipkts; 1844 st.ierrs = c->ierrs; 1845 st.obytes = c->obytes; 1846 st.opkts = c->opkts; 1847 st.oerrs = c->oerrs; 1848 if (need_header) 1849 length += sprintf (s + length, " Rintr Tintr Mintr Ibytes Ipkts Ierrs Obytes Opkts Oerrs\n"); 1850 length += sprintf (s + length, "%7ld %7ld %7ld %8ld %7ld %7ld %8ld %7ld %7ld\n", 1851 st.rintr, st.tintr, st.mintr, st.ibytes, st.ipkts, 1852 st.ierrs, st.obytes, st.opkts, st.oerrs); 1853 return length; 1854} 1855 1856static char *format_e1_status (u_char status) 1857{ 1858 static char buf [80]; 1859 1860 if (status & E1_NOALARM) 1861 return "Ok"; 1862 buf[0] = 0; 1863 if (status & E1_LOS) strcat (buf, ",LOS"); 1864 if (status & E1_AIS) strcat (buf, ",AIS"); 1865 if (status & E1_LOF) strcat (buf, ",LOF"); 1866 if (status & E1_LOMF) strcat (buf, ",LOMF"); 1867 if (status & E1_FARLOF) strcat (buf, ",FARLOF"); 1868 if (status & E1_AIS16) strcat (buf, ",AIS16"); 1869 if (status & E1_FARLOMF) strcat (buf, ",FARLOMF"); 1870 if (status & E1_TSTREQ) strcat (buf, ",TSTREQ"); 1871 if (status & E1_TSTERR) strcat (buf, ",TSTERR"); 1872 if (buf[0] == ',') 1873 return buf+1; 1874 return "Unknown"; 1875} 1876 1877static int print_frac (char *s, int leftalign, u_long numerator, u_long divider) 1878{ 1879 int n, length = 0; 1880 1881 if (numerator < 1 || divider < 1) { 1882 length += sprintf (s+length, leftalign ? "/- " : " -"); 1883 return length; 1884 } 1885 n = (int) (0.5 + 1000.0 * numerator / divider); 1886 if (n < 1000) { 1887 length += sprintf (s+length, leftalign ? "/.%-3d" : " .%03d", n); 1888 return length; 1889 } 1890 *(s + length) = leftalign ? '/' : ' '; 1891 length ++; 1892 1893 if (n >= 1000000) n = (n+500) / 1000 * 1000; 1894 else if (n >= 100000) n = (n+50) / 100 * 100; 1895 else if (n >= 10000) n = (n+5) / 10 * 10; 1896 1897 switch (n) { 1898 case 1000: length += printf (s+length, ".999"); return length; 1899 case 10000: n = 9990; break; 1900 case 100000: n = 99900; break; 1901 case 1000000: n = 999000; break; 1902 } 1903 if (n < 10000) length += sprintf (s+length, "%d.%d", n/1000, n/10%100); 1904 else if (n < 100000) length += sprintf (s+length, "%d.%d", n/1000, n/100%10); 1905 else if (n < 1000000) length += sprintf (s+length, "%d.", n/1000); 1906 else length += sprintf (s+length, "%d", n/1000); 1907 1908 return length; 1909} 1910 1911static int print_e1_stats (char *s, ct_chan_t *c) 1912{ 1913 struct e1_counters total; 1914 u_long totsec; 1915 int length = 0; 1916 1917 totsec = c->totsec + c->cursec; 1918 total.bpv = c->total.bpv + c->currnt.bpv; 1919 total.fse = c->total.fse + c->currnt.fse; 1920 total.crce = c->total.crce + c->currnt.crce; 1921 total.rcrce = c->total.rcrce + c->currnt.rcrce; 1922 total.uas = c->total.uas + c->currnt.uas; 1923 total.les = c->total.les + c->currnt.les; 1924 total.es = c->total.es + c->currnt.es; 1925 total.bes = c->total.bes + c->currnt.bes; 1926 total.ses = c->total.ses + c->currnt.ses; 1927 total.oofs = c->total.oofs + c->currnt.oofs; 1928 total.css = c->total.css + c->currnt.css; 1929 total.dm = c->total.dm + c->currnt.dm; 1930 1931 length += sprintf (s + length, " Unav/Degr Bpv/Fsyn CRC/RCRC Err/Lerr Sev/Bur Oof/Slp Status\n"); 1932 1933 /* Unavailable seconds, degraded minutes */ 1934 length += print_frac (s + length, 0, c->currnt.uas, c->cursec); 1935 length += print_frac (s + length, 1, 60 * c->currnt.dm, c->cursec); 1936 1937 /* Bipolar violations, frame sync errors */ 1938 length += print_frac (s + length, 0, c->currnt.bpv, c->cursec); 1939 length += print_frac (s + length, 1, c->currnt.fse, c->cursec); 1940 1941 /* CRC errors, remote CRC errors (E-bit) */ 1942 length += print_frac (s + length, 0, c->currnt.crce, c->cursec); 1943 length += print_frac (s + length, 1, c->currnt.rcrce, c->cursec); 1944 1945 /* Errored seconds, line errored seconds */ 1946 length += print_frac (s + length, 0, c->currnt.es, c->cursec); 1947 length += print_frac (s + length, 1, c->currnt.les, c->cursec); 1948 1949 /* Severely errored seconds, burst errored seconds */ 1950 length += print_frac (s + length, 0, c->currnt.ses, c->cursec); 1951 length += print_frac (s + length, 1, c->currnt.bes, c->cursec); 1952 1953 /* Out of frame seconds, controlled slip seconds */ 1954 length += print_frac (s + length, 0, c->currnt.oofs, c->cursec); 1955 length += print_frac (s + length, 1, c->currnt.css, c->cursec); 1956 1957 length += sprintf (s + length, " %s\n", format_e1_status (c->status)); 1958 1959 /* Print total statistics. */ 1960 length += print_frac (s + length, 0, total.uas, totsec); 1961 length += print_frac (s + length, 1, 60 * total.dm, totsec); 1962 1963 length += print_frac (s + length, 0, total.bpv, totsec); 1964 length += print_frac (s + length, 1, total.fse, totsec); 1965 1966 length += print_frac (s + length, 0, total.crce, totsec); 1967 length += print_frac (s + length, 1, total.rcrce, totsec); 1968 1969 length += print_frac (s + length, 0, total.es, totsec); 1970 length += print_frac (s + length, 1, total.les, totsec); 1971 1972 length += print_frac (s + length, 0, total.ses, totsec); 1973 length += print_frac (s + length, 1, total.bes, totsec); 1974 1975 length += print_frac (s + length, 0, total.oofs, totsec); 1976 length += print_frac (s + length, 1, total.css, totsec); 1977 1978 length += sprintf (s + length, " -- Total\n"); 1979 return length; 1980} 1981 1982static int print_chan (char *s, ct_chan_t *c) 1983{ 1984 drv_t *d = c->sys; 1985 bdrv_t *bd = d->bd; 1986 int length = 0; 1987 1988 length += sprintf (s + length, "ct%d", c->board->num * NCHAN + c->num); 1989 if (d->chan->debug) 1990 length += sprintf (s + length, " debug=%d", d->chan->debug); 1991 1992 switch (ct_get_config (c->board)) { 1993 case CFG_A: length += sprintf (s + length, " cfg=A"); break; 1994 case CFG_B: length += sprintf (s + length, " cfg=B"); break; 1995 case CFG_C: length += sprintf (s + length, " cfg=C"); break; 1996 default: length += sprintf (s + length, " cfg=unknown"); break; 1997 } 1998 1999 if (ct_get_baud (c)) 2000 length += sprintf (s + length, " %ld", ct_get_baud (c)); 2001 else 2002 length += sprintf (s + length, " extclock"); 2003 2004 if (c->mode == M_E1 || c->mode == M_G703) 2005 switch (ct_get_clk(c)) { 2006 case GCLK_INT : length += sprintf (s + length, " syn=int"); break; 2007 case GCLK_RCV : length += sprintf (s + length, " syn=rcv"); break; 2008 case GCLK_RCLKO : length += sprintf (s + length, " syn=xrcv"); break; 2009 } 2010 if (c->mode == M_HDLC) { 2011 length += sprintf (s + length, " dpll=%s", ct_get_dpll (c) ? "on" : "off"); 2012 length += sprintf (s + length, " nrzi=%s", ct_get_nrzi (c) ? "on" : "off"); 2013 length += sprintf (s + length, " invtclk=%s", ct_get_invtxc (c) ? "on" : "off"); 2014 length += sprintf (s + length, " invrclk=%s", ct_get_invrxc (c) ? "on" : "off"); 2015 } 2016 if (c->mode == M_E1) 2017 length += sprintf (s + length, " higain=%s", ct_get_higain (c)? "on" : "off"); 2018 2019 length += sprintf (s + length, " loop=%s", ct_get_loop (c) ? "on" : "off"); 2020 2021 if (c->mode == M_E1) 2022 length += sprintf (s + length, " ts=%s", format_timeslots (ct_get_ts(c))); 2023 if (c->mode == M_E1 && ct_get_config (c->board) != CFG_A) 2024 length += sprintf (s + length, " pass=%s", format_timeslots (ct_get_subchan(c->board))); 2025 if (c->mode == M_G703) { 2026 int lq, x; 2027 2028 x = splimp (); 2029 CT_LOCK (bd); 2030 lq = ct_get_lq (c); 2031 CT_UNLOCK (bd); 2032 splx (x); 2033 length += sprintf (s + length, " (level=-%.1fdB)", lq / 10.0); 2034 } 2035 length += sprintf (s + length, "\n"); 2036 return length; 2037} 2038 2039static int ng_ct_rcvmsg (node_p node, item_p item, hook_p lasthook) 2040{ 2041 drv_t *d = NG_NODE_PRIVATE (node); 2042 struct ng_mesg *msg; 2043 struct ng_mesg *resp = NULL; 2044 int error = 0; 2045 2046 if (!d) 2047 return EINVAL; 2048 2049 CT_DEBUG (d, ("Rcvmsg\n")); 2050 NGI_GET_MSG (item, msg); 2051 switch (msg->header.typecookie) { 2052 default: 2053 error = EINVAL; 2054 break; 2055 2056 case NGM_CT_COOKIE: 2057 printf ("Don't forget to implement\n"); 2058 error = EINVAL; 2059 break; 2060 2061 case NGM_GENERIC_COOKIE: 2062 switch (msg->header.cmd) { 2063 default: 2064 error = EINVAL; 2065 break; 2066 2067 case NGM_TEXT_STATUS: { 2068 char *s; 2069 int l = 0; 2070 int dl = sizeof (struct ng_mesg) + 730; 2071 2072 NG_MKRESPONSE (resp, msg, dl, M_NOWAIT); 2073 if (! resp) { 2074 error = ENOMEM; 2075 break; 2076 } 2077 s = (resp)->data; 2078 l += print_chan (s + l, d->chan); 2079 l += print_stats (s + l, d->chan, 1); 2080 l += print_modems (s + l, d->chan, 1); 2081 l += print_e1_stats (s + l, d->chan); 2082 strncpy ((resp)->header.cmdstr, "status", NG_CMDSTRLEN); 2083 } 2084 break; 2085 } 2086 break; 2087 } 2088 NG_RESPOND_MSG (error, node, item, resp); 2089 NG_FREE_MSG (msg); 2090 return error; 2091} 2092 2093static int ng_ct_rcvdata (hook_p hook, item_p item) 2094{ 2095 drv_t *d = NG_NODE_PRIVATE (NG_HOOK_NODE(hook)); 2096 struct mbuf *m; 2097 struct ng_tag_prio *ptag; 2098 bdrv_t *bd; 2099 struct ifqueue *q; 2100 int s; 2101 2102 if (!d) 2103 return ENETDOWN; 2104 2105 bd = d->bd; 2106 NGI_GET_M (item, m); 2107 NG_FREE_ITEM (item); 2108 if (! NG_HOOK_PRIVATE (hook) || ! d) { 2109 NG_FREE_M (m); 2110 return ENETDOWN; 2111 } 2112 2113 /* Check for high priority data */ 2114 if ((ptag = (struct ng_tag_prio *)m_tag_locate(m, NGM_GENERIC_COOKIE, 2115 NG_TAG_PRIO, NULL)) != NULL && (ptag->priority > NG_PRIO_CUTOFF) ) 2116 q = &d->hi_queue; 2117 else 2118 q = &d->queue; 2119 2120 s = splimp (); 2121 CT_LOCK (bd); 2122 IF_LOCK (q); 2123 if (_IF_QFULL (q)) { 2124 _IF_DROP (q); 2125 IF_UNLOCK (q); 2126 CT_UNLOCK (bd); 2127 splx (s); 2128 NG_FREE_M (m); 2129 return ENOBUFS; 2130 } 2131 _IF_ENQUEUE (q, m); 2132 IF_UNLOCK (q); 2133 ct_start (d); 2134 CT_UNLOCK (bd); 2135 splx (s); 2136 return 0; 2137} 2138 2139static int ng_ct_rmnode (node_p node) 2140{ 2141 drv_t *d = NG_NODE_PRIVATE (node); 2142 bdrv_t *bd; 2143 2144 CT_DEBUG (d, ("Rmnode\n")); 2145 if (d && d->running) { 2146 bd = d->bd; 2147 int s = splimp (); 2148 CT_LOCK (bd); 2149 ct_down (d); 2150 CT_UNLOCK (bd); 2151 splx (s); 2152 } 2153#ifdef KLD_MODULE 2154 if (node->nd_flags & NGF_REALLY_DIE) { 2155 NG_NODE_SET_PRIVATE (node, NULL); 2156 NG_NODE_UNREF (node); 2157 } 2158 NG_NODE_REVIVE(node); /* Persistant node */ 2159#endif 2160 return 0; 2161} 2162 2163static void ng_ct_watchdog (void *arg) 2164{ 2165 drv_t *d = arg; 2166 2167 if (!d) 2168 return; 2169 2170 if (d->timeout == 1) 2171 ct_watchdog (d); 2172 if (d->timeout) 2173 d->timeout--; 2174 callout_reset (&d->timeout_handle, hz, ng_ct_watchdog, d); 2175} 2176 2177static int ng_ct_connect (hook_p hook) 2178{ 2179 drv_t *d = NG_NODE_PRIVATE (NG_HOOK_NODE (hook)); 2180 2181 if (!d) 2182 return 0; 2183 2184 callout_reset (&d->timeout_handle, hz, ng_ct_watchdog, d); 2185 return 0; 2186} 2187 2188static int ng_ct_disconnect (hook_p hook) 2189{ 2190 drv_t *d = NG_NODE_PRIVATE (NG_HOOK_NODE (hook)); 2191 bdrv_t *bd; 2192 2193 if (!d) 2194 return 0; 2195 2196 bd = d->bd; 2197 2198 CT_LOCK (bd); 2199 if (NG_HOOK_PRIVATE (hook)) 2200 ct_down (d); 2201 CT_UNLOCK (bd); 2202 /* If we were wait it than it reasserted now, just stop it. */ 2203 if (!callout_drain (&d->timeout_handle)) 2204 callout_stop (&d->timeout_handle); 2205 return 0; 2206} 2207#endif 2208 2209static int ct_modevent (module_t mod, int type, void *unused) 2210{ 2211 static int load_count = 0; 2212 2213 if (!debug_mpsafenet && ct_mpsafenet) { 2214 printf ("WORNING! Network stack is not MPSAFE. " 2215 "Turning off debug.ct.mpsafenet.\n"); 2216 ct_mpsafenet = 0; 2217 } 2218 if (ct_mpsafenet) 2219 ct_cdevsw.d_flags &= ~D_NEEDGIANT; 2220 2221 switch (type) { 2222 case MOD_LOAD: 2223#ifdef NETGRAPH 2224 if (ng_newtype (&typestruct)) 2225 printf ("Failed to register ng_ct\n"); 2226#endif 2227 ++load_count; 2228 callout_init (&timeout_handle, ct_mpsafenet?CALLOUT_MPSAFE:0); 2229 callout_reset (&timeout_handle, hz*5, ct_timeout, 0); 2230 break; 2231 case MOD_UNLOAD: 2232 if (load_count == 1) { 2233 printf ("Removing device entry for Tau-ISA\n"); 2234#ifdef NETGRAPH 2235 ng_rmtype (&typestruct); 2236#endif 2237 } 2238 /* If we were wait it than it reasserted now, just stop it. */ 2239 if (!callout_drain (&timeout_handle)) 2240 callout_stop (&timeout_handle); 2241 --load_count; 2242 break; 2243 case MOD_SHUTDOWN: 2244 break; 2245 } 2246 return 0; 2247} 2248 2249#ifdef NETGRAPH 2250static struct ng_type typestruct = { 2251 .version = NG_ABI_VERSION, 2252 .name = NG_CT_NODE_TYPE, 2253 .constructor = ng_ct_constructor, 2254 .rcvmsg = ng_ct_rcvmsg, 2255 .shutdown = ng_ct_rmnode, 2256 .newhook = ng_ct_newhook, 2257 .connect = ng_ct_connect, 2258 .rcvdata = ng_ct_rcvdata, 2259 .disconnect = ng_ct_disconnect, 2260}; 2261#endif /*NETGRAPH*/ 2262 2263#ifdef NETGRAPH 2264MODULE_DEPEND (ng_ct, netgraph, NG_ABI_VERSION, NG_ABI_VERSION, NG_ABI_VERSION); 2265#else 2266MODULE_DEPEND (ct, sppp, 1, 1, 1); 2267#endif 2268DRIVER_MODULE (ct, isa, ct_isa_driver, ct_devclass, ct_modevent, NULL); 2269MODULE_VERSION (ct, 1); 2270