if_ct.c revision 158651
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 158651 2006-05-16 14:37:58Z phk $"); 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/resource.h> 51#include <dev/cx/machdep.h> 52#include <dev/ctau/ctddk.h> 53#include <dev/cx/cronyxfw.h> 54#include "opt_ng_cronyx.h" 55#ifdef NETGRAPH_CRONYX 56# include "opt_netgraph.h" 57# include <netgraph/ng_message.h> 58# include <netgraph/netgraph.h> 59# include <dev/ctau/ng_ct.h> 60#else 61# include <net/if_types.h> 62# include <net/if_sppp.h> 63# define PP_CISCO IFF_LINK2 64# include <net/bpf.h> 65#endif 66 67#define NCTAU 1 68 69/* If we don't have Cronyx's sppp version, we don't have fr support via sppp */ 70#ifndef PP_FR 71#define PP_FR 0 72#endif 73 74#define CT_DEBUG(d,s) ({if (d->chan->debug) {\ 75 printf ("%s: ", d->name); printf s;}}) 76#define CT_DEBUG2(d,s) ({if (d->chan->debug>1) {\ 77 printf ("%s: ", d->name); printf s;}}) 78 79#define CT_LOCK_NAME "ctX" 80 81static int ct_mpsafenet = 1; 82TUNABLE_INT("debug.ctau.mpsafenet", &ct_mpsafenet); 83SYSCTL_NODE(_debug, OID_AUTO, ctau, CTLFLAG_RD, 0, "Cronyx Tau-ISA Adapters"); 84SYSCTL_INT(_debug_ctau, OID_AUTO, mpsafenet, CTLFLAG_RD, &ct_mpsafenet, 0, 85 "Enable/disable MPSAFE network support for Cronyx Tau-ISA Adapters"); 86 87#define CT_LOCK(_bd) do { \ 88 if (ct_mpsafenet) \ 89 mtx_lock (&(_bd)->ct_mtx); \ 90 } while (0) 91#define CT_UNLOCK(_bd) do { \ 92 if (ct_mpsafenet) \ 93 mtx_unlock (&(_bd)->ct_mtx); \ 94 } while (0) 95#define CT_LOCK_ASSERT(_bd) do { \ 96 if (ct_mpsafenet) \ 97 mtx_assert (&(_bd)->ct_mtx, MA_OWNED); \ 98 } while (0) 99 100static void ct_identify __P((driver_t *, device_t)); 101static int ct_probe __P((device_t)); 102static int ct_attach __P((device_t)); 103static int ct_detach __P((device_t)); 104 105static device_method_t ct_isa_methods [] = { 106 DEVMETHOD(device_identify, ct_identify), 107 DEVMETHOD(device_probe, ct_probe), 108 DEVMETHOD(device_attach, ct_attach), 109 DEVMETHOD(device_detach, ct_detach), 110 {0, 0} 111}; 112 113typedef struct _ct_dma_mem_t { 114 unsigned long phys; 115 void *virt; 116 size_t size; 117 bus_dma_tag_t dmat; 118 bus_dmamap_t mapp; 119} ct_dma_mem_t; 120 121typedef struct _drv_t { 122 char name [8]; 123 ct_chan_t *chan; 124 ct_board_t *board; 125 struct _bdrv_t *bd; 126 ct_dma_mem_t dmamem; 127 int running; 128#ifdef NETGRAPH 129 char nodename [NG_NODELEN+1]; 130 hook_p hook; 131 hook_p debug_hook; 132 node_p node; 133 struct ifqueue queue; 134 struct ifqueue hi_queue; 135 short timeout; 136 struct callout timeout_handle; 137#else 138 struct ifqueue queue; 139 struct ifnet *ifp; 140#endif 141 struct cdev *devt; 142} drv_t; 143 144typedef struct _bdrv_t { 145 ct_board_t *board; 146 struct resource *base_res; 147 struct resource *drq_res; 148 struct resource *irq_res; 149 int base_rid; 150 int drq_rid; 151 int irq_rid; 152 void *intrhand; 153 drv_t channel [NCHAN]; 154 struct mtx ct_mtx; 155} bdrv_t; 156 157static driver_t ct_isa_driver = { 158 "ct", 159 ct_isa_methods, 160 sizeof (bdrv_t), 161}; 162 163static devclass_t ct_devclass; 164 165static void ct_receive (ct_chan_t *c, char *data, int len); 166static void ct_transmit (ct_chan_t *c, void *attachment, int len); 167static void ct_error (ct_chan_t *c, int data); 168static void ct_up (drv_t *d); 169static void ct_start (drv_t *d); 170static void ct_down (drv_t *d); 171static void ct_watchdog (drv_t *d); 172#ifdef NETGRAPH 173extern struct ng_type typestruct; 174#else 175static void ct_ifstart (struct ifnet *ifp); 176static void ct_tlf (struct sppp *sp); 177static void ct_tls (struct sppp *sp); 178static void ct_ifwatchdog (struct ifnet *ifp); 179static int ct_sioctl (struct ifnet *ifp, u_long cmd, caddr_t data); 180static void ct_initialize (void *softc); 181#endif 182 183static ct_board_t *adapter [NCTAU]; 184static drv_t *channel [NCTAU*NCHAN]; 185static struct callout led_timo [NCTAU]; 186static struct callout timeout_handle; 187 188static int ct_open (struct cdev *dev, int oflags, int devtype, struct thread *td); 189static int ct_close (struct cdev *dev, int fflag, int devtype, struct thread *td); 190static int ct_ioctl (struct cdev *dev, u_long cmd, caddr_t data, int flag, struct thread *td); 191static struct cdevsw ct_cdevsw = { 192 .d_version = D_VERSION, 193 .d_open = ct_open, 194 .d_close = ct_close, 195 .d_ioctl = ct_ioctl, 196 .d_name = "ct", 197 .d_flags = D_NEEDGIANT, 198}; 199 200/* 201 * Print the mbuf chain, for debug purposes only. 202 */ 203static void printmbuf (struct mbuf *m) 204{ 205 printf ("mbuf:"); 206 for (; m; m=m->m_next) { 207 if (m->m_flags & M_PKTHDR) 208 printf (" HDR %d:", m->m_pkthdr.len); 209 if (m->m_flags & M_EXT) 210 printf (" EXT:"); 211 printf (" %d", m->m_len); 212 } 213 printf ("\n"); 214} 215 216/* 217 * Make an mbuf from data. 218 */ 219static struct mbuf *makembuf (void *buf, u_int len) 220{ 221 struct mbuf *m; 222 223 MGETHDR (m, M_DONTWAIT, MT_DATA); 224 if (! m) 225 return 0; 226 MCLGET (m, M_DONTWAIT); 227 if (! (m->m_flags & M_EXT)) { 228 m_freem (m); 229 return 0; 230 } 231 m->m_pkthdr.len = m->m_len = len; 232 bcopy (buf, mtod (m, caddr_t), len); 233 return m; 234} 235 236static void ct_timeout (void *arg) 237{ 238 drv_t *d; 239 int s, i, k; 240 241 for (i = 0; i < NCTAU; ++i) { 242 if (adapter[i] == NULL) 243 continue; 244 for (k = 0; k < NCHAN; k++) { 245 d = channel[i * NCHAN + k]; 246 if (! d) 247 continue; 248 if (d->chan->mode != M_G703) 249 continue; 250 s = splimp (); 251 CT_LOCK ((bdrv_t *)d->bd); 252 ct_g703_timer (d->chan); 253 CT_UNLOCK ((bdrv_t *)d->bd); 254 splx (s); 255 } 256 } 257 258 callout_reset (&timeout_handle, hz, ct_timeout, 0); 259} 260 261static void ct_led_off (void *arg) 262{ 263 ct_board_t *b = arg; 264 bdrv_t *bd = ((drv_t *)b->chan->sys)->bd; 265 int s = splimp (); 266 267 CT_LOCK (bd); 268 ct_led (b, 0); 269 CT_UNLOCK (bd); 270 splx (s); 271} 272 273/* 274 * Activate interupt handler from DDK. 275 */ 276static void ct_intr (void *arg) 277{ 278 bdrv_t *bd = arg; 279 ct_board_t *b = bd->board; 280#ifndef NETGRAPH 281 int i; 282#endif 283 int s = splimp (); 284 285 CT_LOCK (bd); 286 /* Turn LED on. */ 287 ct_led (b, 1); 288 289 ct_int_handler (b); 290 291 /* Turn LED off 50 msec later. */ 292 callout_reset (&led_timo[b->num], hz/20, ct_led_off, b); 293 CT_UNLOCK (bd); 294 splx (s); 295 296#ifndef NETGRAPH 297 /* Pass packets in a lock-free state */ 298 for (i = 0; i < NCHAN && b->chan[i].type; i++) { 299 drv_t *d = b->chan[i].sys; 300 struct mbuf *m; 301 if (!d || !d->running) 302 continue; 303 while (_IF_QLEN(&d->queue)) { 304 IF_DEQUEUE (&d->queue,m); 305 if (!m) 306 continue; 307 sppp_input (d->ifp, m); 308 } 309 } 310#endif 311} 312 313static int probe_irq (ct_board_t *b, int irq) 314{ 315 int mask, busy, cnt; 316 317 /* Clear pending irq, if any. */ 318 ct_probe_irq (b, -irq); 319 DELAY (100); 320 for (cnt=0; cnt<5; ++cnt) { 321 /* Get the mask of pending irqs, assuming they are busy. 322 * Activate the adapter on given irq. */ 323 busy = ct_probe_irq (b, irq); 324 DELAY (1000); 325 326 /* Get the mask of active irqs. 327 * Deactivate our irq. */ 328 mask = ct_probe_irq (b, -irq); 329 DELAY (100); 330 if ((mask & ~busy) == 1 << irq) { 331 ct_probe_irq (b, 0); 332 /* printf ("ct%d: irq %d ok, mask=0x%04x, busy=0x%04x\n", 333 b->num, irq, mask, busy); */ 334 return 1; 335 } 336 } 337 /* printf ("ct%d: irq %d not functional, mask=0x%04x, busy=0x%04x\n", 338 b->num, irq, mask, busy); */ 339 ct_probe_irq (b, 0); 340 return 0; 341} 342 343static short porttab [] = { 344 0x200, 0x220, 0x240, 0x260, 0x280, 0x2a0, 0x2c0, 0x2e0, 345 0x300, 0x320, 0x340, 0x360, 0x380, 0x3a0, 0x3c0, 0x3e0, 0 346 }; 347static char dmatab [] = { 7, 6, 5, 0 }; 348static char irqtab [] = { 5, 10, 11, 7, 3, 15, 12, 0 }; 349 350static int ct_is_free_res (device_t dev, int rid, int type, u_long start, 351 u_long end, u_long count) 352{ 353 struct resource *res; 354 355 if (!(res = bus_alloc_resource (dev, type, &rid, start, end, count, 356 RF_ALLOCATED))) 357 return 0; 358 359 bus_release_resource (dev, type, rid, res); 360 361 return 1; 362} 363 364static void ct_identify (driver_t *driver, device_t dev) 365{ 366 u_long iobase, rescount; 367 int devcount; 368 device_t *devices; 369 device_t child; 370 devclass_t my_devclass; 371 int i, k; 372 373 if ((my_devclass = devclass_find ("ct")) == NULL) 374 return; 375 376 devclass_get_devices (my_devclass, &devices, &devcount); 377 378 if (devcount == 0) { 379 /* We should find all devices by our self. We could alter other 380 * devices, but we don't have a choise 381 */ 382 for (i = 0; (iobase = porttab [i]) != 0; i++) { 383 if (!ct_is_free_res (dev, 0, SYS_RES_IOPORT, 384 iobase, iobase + NPORT, NPORT)) 385 continue; 386 if (ct_probe_board (iobase, -1, -1) == 0) 387 continue; 388 389 devcount++; 390 child = BUS_ADD_CHILD (dev, ISA_ORDER_SPECULATIVE, "ct", 391 -1); 392 393 if (child == NULL) 394 return; 395 396 device_set_desc_copy (child, "Cronyx Tau-ISA"); 397 device_set_driver (child, driver); 398 bus_set_resource (child, SYS_RES_IOPORT, 0, 399 iobase, NPORT); 400 401 if (devcount >= NCTAU) 402 break; 403 } 404 } else { 405 static short porttab [] = { 406 0x200, 0x220, 0x240, 0x260, 0x280, 0x2a0, 0x2c0, 0x2e0, 407 0x300, 0x320, 0x340, 0x360, 0x380, 0x3a0, 0x3c0, 0x3e0, 0 408 }; 409 /* Lets check user choise. 410 */ 411 for (k = 0; k < devcount; k++) { 412 if (bus_get_resource (devices[k], SYS_RES_IOPORT, 0, 413 &iobase, &rescount) != 0) 414 continue; 415 416 for (i = 0; porttab [i] != 0; i++) { 417 if (porttab [i] != iobase) 418 continue; 419 420 if (!ct_is_free_res (devices[k], 0, SYS_RES_IOPORT, 421 iobase, iobase + NPORT, NPORT)) 422 continue; 423 424 if (ct_probe_board (iobase, -1, -1) == 0) 425 continue; 426 porttab [i] = -1; 427 device_set_desc_copy (devices[k], "Cronyx Tau-ISA"); 428 break; 429 } 430 if (porttab [i] == 0) { 431 device_delete_child ( 432 device_get_parent (devices[k]), 433 devices [k]); 434 devices[k] = 0; 435 continue; 436 } 437 } 438 for (k = 0; k < devcount; k++) { 439 if (devices[k] == 0) 440 continue; 441 if (bus_get_resource (devices[k], SYS_RES_IOPORT, 0, 442 &iobase, &rescount) == 0) 443 continue; 444 for (i = 0; (iobase = porttab [i]) != 0; i++) { 445 if (porttab [i] == -1) 446 continue; 447 if (!ct_is_free_res (devices[k], 0, SYS_RES_IOPORT, 448 iobase, iobase + NPORT, NPORT)) 449 continue; 450 if (ct_probe_board (iobase, -1, -1) == 0) 451 continue; 452 453 bus_set_resource (devices[k], SYS_RES_IOPORT, 0, 454 iobase, NPORT); 455 porttab [i] = -1; 456 device_set_desc_copy (devices[k], "Cronyx Tau-ISA"); 457 break; 458 } 459 if (porttab [i] == 0) { 460 device_delete_child ( 461 device_get_parent (devices[k]), 462 devices [k]); 463 } 464 } 465 free (devices, M_TEMP); 466 } 467 468 return; 469} 470 471static int ct_probe (device_t dev) 472{ 473 int unit = device_get_unit (dev); 474 u_long iobase, rescount; 475 476 if (!device_get_desc (dev) || 477 strcmp (device_get_desc (dev), "Cronyx Tau-ISA")) 478 return ENXIO; 479 480/* KASSERT ((bd != NULL), ("ct%d: NULL device softc\n", unit));*/ 481 if (bus_get_resource (dev, SYS_RES_IOPORT, 0, &iobase, &rescount) != 0) { 482 printf ("ct%d: Couldn't get IOPORT\n", unit); 483 return ENXIO; 484 } 485 486 if (!ct_is_free_res (dev, 0, SYS_RES_IOPORT, 487 iobase, iobase + NPORT, NPORT)) { 488 printf ("ct%d: Resource IOPORT isn't free\n", unit); 489 return ENXIO; 490 } 491 492 if (!ct_probe_board (iobase, -1, -1)) { 493 printf ("ct%d: probing for Tau-ISA at %lx faild\n", unit, iobase); 494 return ENXIO; 495 } 496 497 return 0; 498} 499 500static void 501ct_bus_dmamap_addr (void *arg, bus_dma_segment_t *segs, int nseg, int error) 502{ 503 unsigned long *addr; 504 505 if (error) 506 return; 507 508 KASSERT(nseg == 1, ("too many DMA segments, %d should be 1", nseg)); 509 addr = arg; 510 *addr = segs->ds_addr; 511} 512 513static int 514ct_bus_dma_mem_alloc (int bnum, int cnum, ct_dma_mem_t *dmem) 515{ 516 int error; 517 518 error = bus_dma_tag_create (NULL, 16, 0, BUS_SPACE_MAXADDR_24BIT, 519 BUS_SPACE_MAXADDR, NULL, NULL, dmem->size, 1, 520 dmem->size, 0, NULL, NULL, &dmem->dmat); 521 if (error) { 522 if (cnum >= 0) printf ("ct%d-%d: ", bnum, cnum); 523 else printf ("ct%d: ", bnum); 524 printf ("couldn't allocate tag for dma memory\n"); 525 return 0; 526 } 527 error = bus_dmamem_alloc (dmem->dmat, (void **)&dmem->virt, 528 BUS_DMA_NOWAIT | BUS_DMA_ZERO, &dmem->mapp); 529 if (error) { 530 if (cnum >= 0) printf ("ct%d-%d: ", bnum, cnum); 531 else printf ("ct%d: ", bnum); 532 printf ("couldn't allocate mem for dma memory\n"); 533 bus_dma_tag_destroy (dmem->dmat); 534 return 0; 535 } 536 error = bus_dmamap_load (dmem->dmat, dmem->mapp, dmem->virt, 537 dmem->size, ct_bus_dmamap_addr, &dmem->phys, 0); 538 if (error) { 539 if (cnum >= 0) printf ("ct%d-%d: ", bnum, cnum); 540 else printf ("ct%d: ", bnum); 541 printf ("couldn't load mem map for dma memory\n"); 542 bus_dmamem_free (dmem->dmat, dmem->virt, dmem->mapp); 543 bus_dma_tag_destroy (dmem->dmat); 544 return 0; 545 } 546 return 1; 547} 548 549static void 550ct_bus_dma_mem_free (ct_dma_mem_t *dmem) 551{ 552 bus_dmamap_unload (dmem->dmat, dmem->mapp); 553 bus_dmamem_free (dmem->dmat, dmem->virt, dmem->mapp); 554 bus_dma_tag_destroy (dmem->dmat); 555} 556 557/* 558 * The adapter is present, initialize the driver structures. 559 */ 560static int ct_attach (device_t dev) 561{ 562 bdrv_t *bd = device_get_softc (dev); 563 u_long iobase, drq, irq, rescount; 564 int unit = device_get_unit (dev); 565 char *ct_ln = CT_LOCK_NAME; 566 ct_board_t *b; 567 ct_chan_t *c; 568 drv_t *d; 569 int i; 570 int s; 571 572 KASSERT ((bd != NULL), ("ct%d: NULL device softc\n", unit)); 573 574 bus_get_resource (dev, SYS_RES_IOPORT, 0, &iobase, &rescount); 575 bd->base_rid = 0; 576 bd->base_res = bus_alloc_resource (dev, SYS_RES_IOPORT, &bd->base_rid, 577 iobase, iobase + NPORT, NPORT, RF_ACTIVE); 578 if (! bd->base_res) { 579 printf ("ct%d: cannot alloc base address\n", unit); 580 return ENXIO; 581 } 582 583 if (bus_get_resource (dev, SYS_RES_DRQ, 0, &drq, &rescount) != 0) { 584 for (i = 0; (drq = dmatab [i]) != 0; i++) { 585 if (!ct_is_free_res (dev, 0, SYS_RES_DRQ, 586 drq, drq + 1, 1)) 587 continue; 588 bus_set_resource (dev, SYS_RES_DRQ, 0, drq, 1); 589 break; 590 } 591 592 if (dmatab[i] == 0) { 593 bus_release_resource (dev, SYS_RES_IOPORT, bd->base_rid, 594 bd->base_res); 595 printf ("ct%d: Couldn't get DRQ\n", unit); 596 return ENXIO; 597 } 598 } 599 600 bd->drq_rid = 0; 601 bd->drq_res = bus_alloc_resource (dev, SYS_RES_DRQ, &bd->drq_rid, 602 drq, drq + 1, 1, RF_ACTIVE); 603 if (! bd->drq_res) { 604 printf ("ct%d: cannot allocate drq\n", unit); 605 bus_release_resource (dev, SYS_RES_IOPORT, bd->base_rid, 606 bd->base_res); 607 return ENXIO; 608 } 609 610 if (bus_get_resource (dev, SYS_RES_IRQ, 0, &irq, &rescount) != 0) { 611 for (i = 0; (irq = irqtab [i]) != 0; i++) { 612 if (!ct_is_free_res (dev, 0, SYS_RES_IRQ, 613 irq, irq + 1, 1)) 614 continue; 615 bus_set_resource (dev, SYS_RES_IRQ, 0, irq, 1); 616 break; 617 } 618 619 if (irqtab[i] == 0) { 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 printf ("ct%d: Couldn't get IRQ\n", unit); 625 return ENXIO; 626 } 627 } 628 629 bd->irq_rid = 0; 630 bd->irq_res = bus_alloc_resource (dev, SYS_RES_IRQ, &bd->irq_rid, 631 irq, irq + 1, 1, RF_ACTIVE); 632 if (! bd->irq_res) { 633 printf ("ct%d: Couldn't allocate irq\n", unit); 634 bus_release_resource (dev, SYS_RES_DRQ, bd->drq_rid, 635 bd->drq_res); 636 bus_release_resource (dev, SYS_RES_IOPORT, bd->base_rid, 637 bd->base_res); 638 return ENXIO; 639 } 640 641 b = malloc (sizeof (ct_board_t), M_DEVBUF, M_WAITOK); 642 if (!b) { 643 printf ("ct:%d: Couldn't allocate memory\n", unit); 644 return (ENXIO); 645 } 646 adapter[unit] = b; 647 bzero (b, sizeof(ct_board_t)); 648 649 if (! ct_open_board (b, unit, iobase, irq, drq)) { 650 printf ("ct%d: error loading firmware\n", unit); 651 free (b, M_DEVBUF); 652 bus_release_resource (dev, SYS_RES_IRQ, bd->irq_rid, 653 bd->irq_res); 654 bus_release_resource (dev, SYS_RES_DRQ, bd->drq_rid, 655 bd->drq_res); 656 bus_release_resource (dev, SYS_RES_IOPORT, bd->base_rid, 657 bd->base_res); 658 return ENXIO; 659 } 660 661 bd->board = b; 662 663 ct_ln[2] = '0' + unit; 664 mtx_init (&bd->ct_mtx, ct_ln, MTX_NETWORK_LOCK, MTX_DEF|MTX_RECURSE); 665 if (! probe_irq (b, irq)) { 666 printf ("ct%d: irq %ld not functional\n", unit, irq); 667 bd->board = 0; 668 adapter [unit] = 0; 669 free (b, M_DEVBUF); 670 bus_release_resource (dev, SYS_RES_IRQ, bd->irq_rid, 671 bd->irq_res); 672 bus_release_resource (dev, SYS_RES_DRQ, bd->drq_rid, 673 bd->drq_res); 674 bus_release_resource (dev, SYS_RES_IOPORT, bd->base_rid, 675 bd->base_res); 676 mtx_destroy (&bd->ct_mtx); 677 return ENXIO; 678 } 679 680 callout_init (&led_timo[unit], ct_mpsafenet ? CALLOUT_MPSAFE : 0); 681 s = splimp (); 682 if (bus_setup_intr (dev, bd->irq_res, 683 INTR_TYPE_NET|(ct_mpsafenet?INTR_MPSAFE:0), 684 ct_intr, bd, &bd->intrhand)) { 685 printf ("ct%d: Can't setup irq %ld\n", unit, irq); 686 bd->board = 0; 687 adapter [unit] = 0; 688 free (b, M_DEVBUF); 689 bus_release_resource (dev, SYS_RES_IRQ, bd->irq_rid, 690 bd->irq_res); 691 bus_release_resource (dev, SYS_RES_DRQ, bd->drq_rid, 692 bd->drq_res); 693 bus_release_resource (dev, SYS_RES_IOPORT, bd->base_rid, 694 bd->base_res); 695 mtx_destroy (&bd->ct_mtx); 696 splx (s); 697 return ENXIO; 698 } 699 700 CT_LOCK (bd); 701 ct_init_board (b, b->num, b->port, irq, drq, b->type, b->osc); 702 ct_setup_board (b, 0, 0, 0); 703 CT_UNLOCK (bd); 704 705 printf ("ct%d: <Cronyx-%s>, clock %s MHz\n", b->num, b->name, 706 b->osc == 20000000 ? "20" : "16.384"); 707 708 for (c = b->chan; c < b->chan + NCHAN; ++c) { 709 d = &bd->channel[c->num]; 710 d->dmamem.size = sizeof(ct_buf_t); 711 if (! ct_bus_dma_mem_alloc (unit, c->num, &d->dmamem)) 712 continue; 713 d->board = b; 714 d->chan = c; 715 d->bd = bd; 716 c->sys = d; 717 channel [b->num*NCHAN + c->num] = d; 718 sprintf (d->name, "ct%d.%d", b->num, c->num); 719 720#ifdef NETGRAPH 721 if (ng_make_node_common (&typestruct, &d->node) != 0) { 722 printf ("%s: cannot make common node\n", d->name); 723 channel [b->num*NCHAN + c->num] = 0; 724 c->sys = 0; 725 ct_bus_dma_mem_free (&d->dmamem); 726 continue; 727 } 728 NG_NODE_SET_PRIVATE (d->node, d); 729 sprintf (d->nodename, "%s%d", NG_CT_NODE_TYPE, 730 c->board->num*NCHAN + c->num); 731 if (ng_name_node (d->node, d->nodename)) { 732 printf ("%s: cannot name node\n", d->nodename); 733 NG_NODE_UNREF (d->node); 734 channel [b->num*NCHAN + c->num] = 0; 735 c->sys = 0; 736 ct_bus_dma_mem_free (&d->dmamem); 737 continue; 738 } 739 d->queue.ifq_maxlen = IFQ_MAXLEN; 740 d->hi_queue.ifq_maxlen = IFQ_MAXLEN; 741 mtx_init (&d->queue.ifq_mtx, "ct_queue", NULL, MTX_DEF); 742 mtx_init (&d->hi_queue.ifq_mtx, "ct_queue_hi", NULL, MTX_DEF); 743 callout_init (&d->timeout_handle, 744 ct_mpsafenet ? CALLOUT_MPSAFE : 0); 745#else /*NETGRAPH*/ 746 d->ifp = if_alloc(IFT_PPP); 747 if (d->ifp == NULL) { 748 printf ("%s: cannot if_alloc common interface\n", 749 d->name); 750 channel [b->num*NCHAN + c->num] = 0; 751 c->sys = 0; 752 ct_bus_dma_mem_free (&d->dmamem); 753 continue; 754 } 755 d->ifp->if_softc = d; 756 if_initname (d->ifp, "ct", b->num * NCHAN + c->num); 757 d->ifp->if_mtu = PP_MTU; 758 d->ifp->if_flags = IFF_POINTOPOINT | IFF_MULTICAST; 759 if (!ct_mpsafenet) 760 d->ifp->if_flags |= IFF_NEEDSGIANT; 761 d->ifp->if_ioctl = ct_sioctl; 762 d->ifp->if_start = ct_ifstart; 763 d->ifp->if_watchdog = ct_ifwatchdog; 764 d->ifp->if_init = ct_initialize; 765 d->queue.ifq_maxlen = NBUF; 766 mtx_init (&d->queue.ifq_mtx, "ct_queue", NULL, MTX_DEF); 767 sppp_attach (d->ifp); 768 if_attach (d->ifp); 769 IFP2SP(d->ifp)->pp_tlf = ct_tlf; 770 IFP2SP(d->ifp)->pp_tls = ct_tls; 771 /* If BPF is in the kernel, call the attach for it. 772 * Header size is 4 bytes. */ 773 bpfattach (d->ifp, DLT_PPP, 4); 774#endif /*NETGRAPH*/ 775 CT_LOCK (bd); 776 ct_start_chan (c, d->dmamem.virt, d->dmamem.phys); 777 ct_register_receive (c, &ct_receive); 778 ct_register_transmit (c, &ct_transmit); 779 ct_register_error (c, &ct_error); 780 CT_UNLOCK (bd); 781 d->devt = make_dev (&ct_cdevsw, b->num*NCHAN+c->num, UID_ROOT, 782 GID_WHEEL, 0600, "ct%d", b->num*NCHAN+c->num); 783 } 784 splx (s); 785 786 return 0; 787} 788 789static int ct_detach (device_t dev) 790{ 791 bdrv_t *bd = device_get_softc (dev); 792 ct_board_t *b = bd->board; 793 ct_chan_t *c; 794 int s; 795 796 KASSERT (mtx_initialized (&bd->ct_mtx), ("ct mutex not initialized")); 797 798 s = splimp (); 799 CT_LOCK (bd); 800 /* Check if the device is busy (open). */ 801 for (c = b->chan; c < b->chan + NCHAN; ++c) { 802 drv_t *d = (drv_t*) c->sys; 803 804 if (!d || !d->chan->type) 805 continue; 806 807 if (d->running) { 808 CT_UNLOCK (bd); 809 splx (s); 810 return EBUSY; 811 } 812 } 813 814 /* Deactivate the timeout routine. */ 815 callout_stop (&led_timo[b->num]); 816 817 CT_UNLOCK (bd); 818 819 bus_teardown_intr (dev, bd->irq_res, bd->intrhand); 820 bus_deactivate_resource (dev, SYS_RES_IRQ, bd->irq_rid, bd->irq_res); 821 bus_release_resource (dev, SYS_RES_IRQ, bd->irq_rid, bd->irq_res); 822 823 bus_deactivate_resource (dev, SYS_RES_DRQ, bd->drq_rid, bd->drq_res); 824 bus_release_resource (dev, SYS_RES_DRQ, bd->drq_rid, bd->drq_res); 825 826 bus_deactivate_resource (dev, SYS_RES_IOPORT, bd->base_rid, bd->irq_res); 827 bus_release_resource (dev, SYS_RES_IOPORT, bd->base_rid, bd->base_res); 828 829 CT_LOCK (bd); 830 ct_close_board (b); 831 CT_UNLOCK (bd); 832 833 /* Detach the interfaces, free buffer memory. */ 834 for (c = b->chan; c < b->chan + NCHAN; ++c) { 835 drv_t *d = (drv_t*) c->sys; 836 837 if (!d || !d->chan->type) 838 continue; 839 840#ifdef NETGRAPH 841 if (d->node) { 842 ng_rmnode_self (d->node); 843 NG_NODE_UNREF (d->node); 844 d->node = NULL; 845 } 846 mtx_destroy (&d->queue.ifq_mtx); 847 mtx_destroy (&d->hi_queue.ifq_mtx); 848#else 849 /* Detach from the packet filter list of interfaces. */ 850 bpfdetach (d->ifp); 851 852 /* Detach from the sync PPP list. */ 853 sppp_detach (d->ifp); 854 855 if_detach (d->ifp); 856 if_free (d->ifp); 857 IF_DRAIN (&d->queue); 858 mtx_destroy (&d->queue.ifq_mtx); 859#endif 860 destroy_dev (d->devt); 861 } 862 863 CT_LOCK (bd); 864 ct_led_off (b); 865 CT_UNLOCK (bd); 866 callout_drain (&led_timo[b->num]); 867 splx (s); 868 869 s = splimp (); 870 for (c = b->chan; c < b->chan + NCHAN; ++c) { 871 drv_t *d = (drv_t*) c->sys; 872 873 if (!d || !d->chan->type) 874 continue; 875 876 /* Deallocate buffers. */ 877 ct_bus_dma_mem_free (&d->dmamem); 878 } 879 bd->board = 0; 880 adapter [b->num] = 0; 881 free (b, M_DEVBUF); 882 splx (s); 883 884 mtx_destroy (&bd->ct_mtx); 885 886 return 0; 887} 888 889#ifndef NETGRAPH 890static void ct_ifstart (struct ifnet *ifp) 891{ 892 drv_t *d = ifp->if_softc; 893 bdrv_t *bd = d->bd; 894 895 CT_LOCK (bd); 896 ct_start (d); 897 CT_UNLOCK (bd); 898} 899 900static void ct_ifwatchdog (struct ifnet *ifp) 901{ 902 drv_t *d = ifp->if_softc; 903 904 ct_watchdog (d); 905} 906 907static void ct_tlf (struct sppp *sp) 908{ 909 drv_t *d = SP2IFP(sp)->if_softc; 910 911 CT_DEBUG (d, ("ct_tlf\n")); 912/* ct_set_dtr (d->chan, 0);*/ 913/* ct_set_rts (d->chan, 0);*/ 914 if (!(sp->pp_flags & PP_FR) && !(d->ifp->if_flags & PP_CISCO)) 915 sp->pp_down (sp); 916} 917 918static void ct_tls (struct sppp *sp) 919{ 920 drv_t *d = SP2IFP(sp)->if_softc; 921 922 CT_DEBUG (d, ("ct_tls\n")); 923 if (!(sp->pp_flags & PP_FR) && !(d->ifp->if_flags & PP_CISCO)) 924 sp->pp_up (sp); 925} 926 927/* 928 * Initialization of interface. 929 * Ii seems to be never called by upper level. 930 */ 931static void ct_initialize (void *softc) 932{ 933 drv_t *d = softc; 934 935 CT_DEBUG (d, ("ct_initialize\n")); 936} 937 938/* 939 * Process an ioctl request. 940 */ 941static int ct_sioctl (struct ifnet *ifp, u_long cmd, caddr_t data) 942{ 943 drv_t *d = ifp->if_softc; 944 bdrv_t *bd = d->bd; 945 int error, s, was_up, should_be_up; 946 947 was_up = (ifp->if_drv_flags & IFF_DRV_RUNNING) != 0; 948 error = sppp_ioctl (ifp, cmd, data); 949 if (error) 950 return error; 951 952 if (! (ifp->if_flags & IFF_DEBUG)) 953 d->chan->debug = 0; 954 else if (! d->chan->debug) 955 d->chan->debug = 1; 956 957 switch (cmd) { 958 default: CT_DEBUG2 (d, ("ioctl 0x%lx\n", cmd)); return 0; 959 case SIOCADDMULTI: CT_DEBUG2 (d, ("SIOCADDMULTI\n")); return 0; 960 case SIOCDELMULTI: CT_DEBUG2 (d, ("SIOCDELMULTI\n")); return 0; 961 case SIOCSIFFLAGS: CT_DEBUG2 (d, ("SIOCSIFFLAGS\n")); break; 962 case SIOCSIFADDR: CT_DEBUG2 (d, ("SIOCSIFADDR\n")); break; 963 } 964 965 /* We get here only in case of SIFFLAGS or SIFADDR. */ 966 s = splimp (); 967 CT_LOCK (bd); 968 should_be_up = (ifp->if_drv_flags & IFF_DRV_RUNNING) != 0; 969 if (! was_up && should_be_up) { 970 /* Interface goes up -- start it. */ 971 ct_up (d); 972 ct_start (d); 973 } else if (was_up && ! should_be_up) { 974 /* Interface is going down -- stop it. */ 975 /* if ((IFP2SP(d->ifp)->pp_flags & PP_FR) || (ifp->if_flags & PP_CISCO))*/ 976 ct_down (d); 977 } 978 CT_UNLOCK (bd); 979 splx (s); 980 return 0; 981} 982#endif /*NETGRAPH*/ 983 984/* 985 * Stop the interface. Called on splimp(). 986 */ 987static void ct_down (drv_t *d) 988{ 989 int s = splimp (); 990 CT_DEBUG (d, ("ct_down\n")); 991 ct_set_dtr (d->chan, 0); 992 ct_set_rts (d->chan, 0); 993 d->running = 0; 994 splx (s); 995} 996 997/* 998 * Start the interface. Called on splimp(). 999 */ 1000static void ct_up (drv_t *d) 1001{ 1002 int s = splimp (); 1003 CT_DEBUG (d, ("ct_up\n")); 1004 ct_set_dtr (d->chan, 1); 1005 ct_set_rts (d->chan, 1); 1006 d->running = 1; 1007 splx (s); 1008} 1009 1010/* 1011 * Start output on the (slave) interface. Get another datagram to send 1012 * off of the interface queue, and copy it to the interface 1013 * before starting the output. 1014 */ 1015static void ct_send (drv_t *d) 1016{ 1017 struct mbuf *m; 1018 u_short len; 1019 1020 CT_DEBUG2 (d, ("ct_send, tn=%d\n", d->chan->tn)); 1021 1022 /* No output if the interface is down. */ 1023 if (! d->running) 1024 return; 1025 1026 /* No output if the modem is off. */ 1027 if (! ct_get_dsr (d->chan) && !ct_get_loop (d->chan)) 1028 return; 1029 1030 while (ct_buf_free (d->chan)) { 1031 /* Get the packet to send. */ 1032#ifdef NETGRAPH 1033 IF_DEQUEUE (&d->hi_queue, m); 1034 if (! m) 1035 IF_DEQUEUE (&d->queue, m); 1036#else 1037 m = sppp_dequeue (d->ifp); 1038#endif 1039 if (! m) 1040 return; 1041#ifndef NETGRAPH 1042 if (d->ifp->if_bpf) 1043 BPF_MTAP (d->ifp, m); 1044#endif 1045 len = m_length (m, NULL); 1046 if (! m->m_next) 1047 ct_send_packet (d->chan, (u_char*)mtod (m, caddr_t), 1048 len, 0); 1049 else { 1050 m_copydata (m, 0, len, d->chan->tbuf[d->chan->te]); 1051 ct_send_packet (d->chan, d->chan->tbuf[d->chan->te], 1052 len, 0); 1053 } 1054 m_freem (m); 1055 1056 /* Set up transmit timeout, if the transmit ring is not empty. 1057 * Transmit timeout is 10 seconds. */ 1058#ifdef NETGRAPH 1059 d->timeout = 10; 1060#else 1061 d->ifp->if_timer = 10; 1062#endif 1063 } 1064#ifndef NETGRAPH 1065 d->ifp->if_drv_flags |= IFF_DRV_OACTIVE; 1066#endif 1067} 1068 1069/* 1070 * Start output on the interface. 1071 * Always called on splimp(). 1072 */ 1073static void ct_start (drv_t *d) 1074{ 1075 int s = splimp (); 1076 1077 if (d->running) { 1078 if (! d->chan->dtr) 1079 ct_set_dtr (d->chan, 1); 1080 if (! d->chan->rts) 1081 ct_set_rts (d->chan, 1); 1082 ct_send (d); 1083 } 1084 1085 splx (s); 1086} 1087 1088/* 1089 * Handle transmit timeouts. 1090 * Recover after lost transmit interrupts. 1091 * Always called on splimp(). 1092 */ 1093static void ct_watchdog (drv_t *d) 1094{ 1095 bdrv_t *bd = d->bd; 1096 int s; 1097 1098 s = splimp (); 1099 CT_LOCK (bd); 1100 CT_DEBUG (d, ("device timeout\n")); 1101 if (d->running) { 1102 ct_setup_chan (d->chan); 1103 ct_start_chan (d->chan, 0, 0); 1104 ct_set_dtr (d->chan, 1); 1105 ct_set_rts (d->chan, 1); 1106 ct_start (d); 1107 } 1108 CT_UNLOCK (bd); 1109 splx (s); 1110} 1111 1112/* 1113 * Transmit callback function. 1114 */ 1115static void ct_transmit (ct_chan_t *c, void *attachment, int len) 1116{ 1117 drv_t *d = c->sys; 1118 1119 if (!d) 1120 return; 1121#ifdef NETGRAPH 1122 d->timeout = 0; 1123#else 1124 ++d->ifp->if_opackets; 1125 d->ifp->if_drv_flags &= ~IFF_DRV_OACTIVE; 1126 d->ifp->if_timer = 0; 1127#endif 1128 ct_start (d); 1129} 1130 1131/* 1132 * Process the received packet. 1133 */ 1134static void ct_receive (ct_chan_t *c, char *data, int len) 1135{ 1136 drv_t *d = c->sys; 1137 struct mbuf *m; 1138#ifdef NETGRAPH 1139 int error; 1140#endif 1141 1142 if (!d || !d->running) 1143 return; 1144 1145 m = makembuf (data, len); 1146 if (! m) { 1147 CT_DEBUG (d, ("no memory for packet\n")); 1148#ifndef NETGRAPH 1149 ++d->ifp->if_iqdrops; 1150#endif 1151 return; 1152 } 1153 if (c->debug > 1) 1154 printmbuf (m); 1155#ifdef NETGRAPH 1156 m->m_pkthdr.rcvif = 0; 1157 NG_SEND_DATA_ONLY (error, d->hook, m); 1158#else 1159 ++d->ifp->if_ipackets; 1160 m->m_pkthdr.rcvif = d->ifp; 1161 /* Check if there's a BPF listener on this interface. 1162 * If so, hand off the raw packet to bpf. */ 1163 if (d->ifp->if_bpf) 1164 BPF_TAP (d->ifp, data, len); 1165 IF_ENQUEUE (&d->queue, m); 1166#endif 1167} 1168 1169/* 1170 * Error callback function. 1171 */ 1172static void ct_error (ct_chan_t *c, int data) 1173{ 1174 drv_t *d = c->sys; 1175 1176 if (!d) 1177 return; 1178 1179 switch (data) { 1180 case CT_FRAME: 1181 CT_DEBUG (d, ("frame error\n")); 1182#ifndef NETGRAPH 1183 ++d->ifp->if_ierrors; 1184#endif 1185 break; 1186 case CT_CRC: 1187 CT_DEBUG (d, ("crc error\n")); 1188#ifndef NETGRAPH 1189 ++d->ifp->if_ierrors; 1190#endif 1191 break; 1192 case CT_OVERRUN: 1193 CT_DEBUG (d, ("overrun error\n")); 1194#ifndef NETGRAPH 1195 ++d->ifp->if_collisions; 1196 ++d->ifp->if_ierrors; 1197#endif 1198 break; 1199 case CT_OVERFLOW: 1200 CT_DEBUG (d, ("overflow error\n")); 1201#ifndef NETGRAPH 1202 ++d->ifp->if_ierrors; 1203#endif 1204 break; 1205 case CT_UNDERRUN: 1206 CT_DEBUG (d, ("underrun error\n")); 1207#ifdef NETGRAPH 1208 d->timeout = 0; 1209#else 1210 ++d->ifp->if_oerrors; 1211 d->ifp->if_drv_flags &= ~IFF_DRV_OACTIVE; 1212 d->ifp->if_timer = 0; 1213#endif 1214 ct_start (d); 1215 break; 1216 default: 1217 CT_DEBUG (d, ("error #%d\n", data)); 1218 } 1219} 1220 1221static int ct_open (struct cdev *dev, int oflags, int devtype, struct thread *td) 1222{ 1223 drv_t *d; 1224 1225 if (minor(dev) >= NCTAU*NCHAN || ! (d = channel[minor(dev)])) 1226 return ENXIO; 1227 1228 CT_DEBUG2 (d, ("ct_open\n")); 1229 return 0; 1230} 1231 1232static int ct_close (struct cdev *dev, int fflag, int devtype, struct thread *td) 1233{ 1234 drv_t *d = channel [minor(dev)]; 1235 1236 if (!d) 1237 return 0; 1238 1239 CT_DEBUG2 (d, ("ct_close\n")); 1240 return 0; 1241} 1242 1243static int ct_modem_status (ct_chan_t *c) 1244{ 1245 drv_t *d = c->sys; 1246 bdrv_t *bd; 1247 int status, s; 1248 1249 if (!d) 1250 return 0; 1251 1252 bd = d->bd; 1253 1254 status = d->running ? TIOCM_LE : 0; 1255 s = splimp (); 1256 CT_LOCK (bd); 1257 if (ct_get_cd (c)) status |= TIOCM_CD; 1258 if (ct_get_cts (c)) status |= TIOCM_CTS; 1259 if (ct_get_dsr (c)) status |= TIOCM_DSR; 1260 if (c->dtr) status |= TIOCM_DTR; 1261 if (c->rts) status |= TIOCM_RTS; 1262 CT_UNLOCK (bd); 1263 splx (s); 1264 return status; 1265} 1266 1267/* 1268 * Process an ioctl request on /dev/cronyx/ctauN. 1269 */ 1270static int ct_ioctl (struct cdev *dev, u_long cmd, caddr_t data, int flag, struct thread *td) 1271{ 1272 drv_t *d = channel [minor (dev)]; 1273 bdrv_t *bd; 1274 ct_chan_t *c; 1275 struct serial_statistics *st; 1276 struct e1_statistics *opte1; 1277 int error, s; 1278 char mask[16]; 1279 1280 if (!d || !d->chan) 1281 return 0; 1282 1283 bd = d->bd; 1284 c = d->chan; 1285 1286 switch (cmd) { 1287 case SERIAL_GETREGISTERED: 1288 bzero (mask, sizeof(mask)); 1289 for (s=0; s<NCTAU*NCHAN; ++s) 1290 if (channel [s]) 1291 mask [s/8] |= 1 << (s & 7); 1292 bcopy (mask, data, sizeof (mask)); 1293 return 0; 1294 1295#ifndef NETGRAPH 1296 case SERIAL_GETPROTO: 1297 strcpy ((char*)data, (IFP2SP(d->ifp)->pp_flags & PP_FR) ? "fr" : 1298 (d->ifp->if_flags & PP_CISCO) ? "cisco" : "ppp"); 1299 return 0; 1300 1301 case SERIAL_SETPROTO: 1302 /* Only for superuser! */ 1303 error = suser (td); 1304 if (error) 1305 return error; 1306 if (d->ifp->if_drv_flags & IFF_DRV_RUNNING) 1307 return EBUSY; 1308 if (! strcmp ("cisco", (char*)data)) { 1309 IFP2SP(d->ifp)->pp_flags &= ~(PP_FR); 1310 IFP2SP(d->ifp)->pp_flags |= PP_KEEPALIVE; 1311 d->ifp->if_flags |= PP_CISCO; 1312 } else if (! strcmp ("fr", (char*)data)) { 1313 d->ifp->if_flags &= ~(PP_CISCO); 1314 IFP2SP(d->ifp)->pp_flags |= PP_FR | PP_KEEPALIVE; 1315 } else if (! strcmp ("ppp", (char*)data)) { 1316 IFP2SP(d->ifp)->pp_flags &= ~(PP_FR | PP_KEEPALIVE); 1317 d->ifp->if_flags &= ~(PP_CISCO); 1318 } else 1319 return EINVAL; 1320 return 0; 1321 1322 case SERIAL_GETKEEPALIVE: 1323 if ((IFP2SP(d->ifp)->pp_flags & PP_FR) || 1324 (d->ifp->if_flags & PP_CISCO)) 1325 return EINVAL; 1326 *(int*)data = (IFP2SP(d->ifp)->pp_flags & PP_KEEPALIVE) ? 1 : 0; 1327 return 0; 1328 1329 case SERIAL_SETKEEPALIVE: 1330 /* Only for superuser! */ 1331 error = suser (td); 1332 if (error) 1333 return error; 1334 if ((IFP2SP(d->ifp)->pp_flags & PP_FR) || 1335 (d->ifp->if_flags & PP_CISCO)) 1336 return EINVAL; 1337 if (*(int*)data) 1338 IFP2SP(d->ifp)->pp_flags |= PP_KEEPALIVE; 1339 else 1340 IFP2SP(d->ifp)->pp_flags &= ~PP_KEEPALIVE; 1341 return 0; 1342#endif /*NETGRAPH*/ 1343 1344 case SERIAL_GETMODE: 1345 *(int*)data = SERIAL_HDLC; 1346 return 0; 1347 1348 case SERIAL_GETCFG: 1349 if (c->mode == M_HDLC) 1350 return EINVAL; 1351 switch (ct_get_config (c->board)) { 1352 default: *(char*)data = 'a'; break; 1353 case CFG_B: *(char*)data = 'b'; break; 1354 case CFG_C: *(char*)data = 'c'; break; 1355 } 1356 return 0; 1357 1358 case SERIAL_SETCFG: 1359 /* Only for superuser! */ 1360 error = suser (td); 1361 if (error) 1362 return error; 1363 if (c->mode == M_HDLC) 1364 return EINVAL; 1365 s = splimp (); 1366 CT_LOCK (bd); 1367 switch (*(char*)data) { 1368 case 'a': ct_set_config (c->board, CFG_A); break; 1369 case 'b': ct_set_config (c->board, CFG_B); break; 1370 case 'c': ct_set_config (c->board, CFG_C); break; 1371 } 1372 CT_UNLOCK (bd); 1373 splx (s); 1374 return 0; 1375 1376 case SERIAL_GETSTAT: 1377 st = (struct serial_statistics*) data; 1378 st->rintr = c->rintr; 1379 st->tintr = c->tintr; 1380 st->mintr = c->mintr; 1381 st->ibytes = c->ibytes; 1382 st->ipkts = c->ipkts; 1383 st->ierrs = c->ierrs; 1384 st->obytes = c->obytes; 1385 st->opkts = c->opkts; 1386 st->oerrs = c->oerrs; 1387 return 0; 1388 1389 case SERIAL_GETESTAT: 1390 opte1 = (struct e1_statistics*)data; 1391 opte1->status = c->status; 1392 opte1->cursec = c->cursec; 1393 opte1->totsec = c->totsec + c->cursec; 1394 1395 opte1->currnt.bpv = c->currnt.bpv; 1396 opte1->currnt.fse = c->currnt.fse; 1397 opte1->currnt.crce = c->currnt.crce; 1398 opte1->currnt.rcrce = c->currnt.rcrce; 1399 opte1->currnt.uas = c->currnt.uas; 1400 opte1->currnt.les = c->currnt.les; 1401 opte1->currnt.es = c->currnt.es; 1402 opte1->currnt.bes = c->currnt.bes; 1403 opte1->currnt.ses = c->currnt.ses; 1404 opte1->currnt.oofs = c->currnt.oofs; 1405 opte1->currnt.css = c->currnt.css; 1406 opte1->currnt.dm = c->currnt.dm; 1407 1408 opte1->total.bpv = c->total.bpv + c->currnt.bpv; 1409 opte1->total.fse = c->total.fse + c->currnt.fse; 1410 opte1->total.crce = c->total.crce + c->currnt.crce; 1411 opte1->total.rcrce = c->total.rcrce + c->currnt.rcrce; 1412 opte1->total.uas = c->total.uas + c->currnt.uas; 1413 opte1->total.les = c->total.les + c->currnt.les; 1414 opte1->total.es = c->total.es + c->currnt.es; 1415 opte1->total.bes = c->total.bes + c->currnt.bes; 1416 opte1->total.ses = c->total.ses + c->currnt.ses; 1417 opte1->total.oofs = c->total.oofs + c->currnt.oofs; 1418 opte1->total.css = c->total.css + c->currnt.css; 1419 opte1->total.dm = c->total.dm + c->currnt.dm; 1420 for (s=0; s<48; ++s) { 1421 opte1->interval[s].bpv = c->interval[s].bpv; 1422 opte1->interval[s].fse = c->interval[s].fse; 1423 opte1->interval[s].crce = c->interval[s].crce; 1424 opte1->interval[s].rcrce = c->interval[s].rcrce; 1425 opte1->interval[s].uas = c->interval[s].uas; 1426 opte1->interval[s].les = c->interval[s].les; 1427 opte1->interval[s].es = c->interval[s].es; 1428 opte1->interval[s].bes = c->interval[s].bes; 1429 opte1->interval[s].ses = c->interval[s].ses; 1430 opte1->interval[s].oofs = c->interval[s].oofs; 1431 opte1->interval[s].css = c->interval[s].css; 1432 opte1->interval[s].dm = c->interval[s].dm; 1433 } 1434 return 0; 1435 1436 case SERIAL_CLRSTAT: 1437 /* Only for superuser! */ 1438 error = suser (td); 1439 if (error) 1440 return error; 1441 c->rintr = 0; 1442 c->tintr = 0; 1443 c->mintr = 0; 1444 c->ibytes = 0; 1445 c->ipkts = 0; 1446 c->ierrs = 0; 1447 c->obytes = 0; 1448 c->opkts = 0; 1449 c->oerrs = 0; 1450 bzero (&c->currnt, sizeof (c->currnt)); 1451 bzero (&c->total, sizeof (c->total)); 1452 bzero (c->interval, sizeof (c->interval)); 1453 return 0; 1454 1455 case SERIAL_GETBAUD: 1456 *(long*)data = ct_get_baud(c); 1457 return 0; 1458 1459 case SERIAL_SETBAUD: 1460 /* Only for superuser! */ 1461 error = suser (td); 1462 if (error) 1463 return error; 1464 s = splimp (); 1465 CT_LOCK (bd); 1466 ct_set_baud (c, *(long*)data); 1467 CT_UNLOCK (bd); 1468 splx (s); 1469 return 0; 1470 1471 case SERIAL_GETLOOP: 1472 *(int*)data = ct_get_loop (c); 1473 return 0; 1474 1475 case SERIAL_SETLOOP: 1476 /* Only for superuser! */ 1477 error = suser (td); 1478 if (error) 1479 return error; 1480 s = splimp (); 1481 CT_LOCK (bd); 1482 ct_set_loop (c, *(int*)data); 1483 CT_UNLOCK (bd); 1484 splx (s); 1485 return 0; 1486 1487 case SERIAL_GETDPLL: 1488 if (c->mode == M_E1 || c->mode == M_G703) 1489 return EINVAL; 1490 *(int*)data = ct_get_dpll (c); 1491 return 0; 1492 1493 case SERIAL_SETDPLL: 1494 /* Only for superuser! */ 1495 error = suser (td); 1496 if (error) 1497 return error; 1498 if (c->mode == M_E1 || c->mode == M_G703) 1499 return EINVAL; 1500 s = splimp (); 1501 CT_LOCK (bd); 1502 ct_set_dpll (c, *(int*)data); 1503 CT_UNLOCK (bd); 1504 splx (s); 1505 return 0; 1506 1507 case SERIAL_GETNRZI: 1508 if (c->mode == M_E1 || c->mode == M_G703) 1509 return EINVAL; 1510 *(int*)data = ct_get_nrzi (c); 1511 return 0; 1512 1513 case SERIAL_SETNRZI: 1514 /* Only for superuser! */ 1515 error = suser (td); 1516 if (error) 1517 return error; 1518 if (c->mode == M_E1 || c->mode == M_G703) 1519 return EINVAL; 1520 s = splimp (); 1521 CT_LOCK (bd); 1522 ct_set_nrzi (c, *(int*)data); 1523 CT_UNLOCK (bd); 1524 splx (s); 1525 return 0; 1526 1527 case SERIAL_GETDEBUG: 1528 *(int*)data = c->debug; 1529 return 0; 1530 1531 case SERIAL_SETDEBUG: 1532 /* Only for superuser! */ 1533 error = suser (td); 1534 if (error) 1535 return error; 1536 c->debug = *(int*)data; 1537#ifndef NETGRAPH 1538 if (d->chan->debug) 1539 d->ifp->if_flags |= IFF_DEBUG; 1540 else 1541 d->ifp->if_flags &= (~IFF_DEBUG); 1542#endif 1543 return 0; 1544 1545 case SERIAL_GETHIGAIN: 1546 if (c->mode != M_E1) 1547 return EINVAL; 1548 *(int*)data = ct_get_higain (c); 1549 return 0; 1550 1551 case SERIAL_SETHIGAIN: 1552 /* Only for superuser! */ 1553 error = suser (td); 1554 if (error) 1555 return error; 1556 s = splimp (); 1557 CT_LOCK (bd); 1558 ct_set_higain (c, *(int*)data); 1559 CT_UNLOCK (bd); 1560 splx (s); 1561 return 0; 1562 1563 case SERIAL_GETPHONY: 1564 CT_DEBUG2 (d, ("ioctl: getphony\n")); 1565 if (c->mode != M_E1) 1566 return EINVAL; 1567 *(int*)data = c->gopt.phony; 1568 return 0; 1569 1570 case SERIAL_SETPHONY: 1571 CT_DEBUG2 (d, ("ioctl: setphony\n")); 1572 if (c->mode != M_E1) 1573 return EINVAL; 1574 /* Only for superuser! */ 1575 error = suser (td); 1576 if (error) 1577 return error; 1578 s = splimp (); 1579 CT_LOCK (bd); 1580 ct_set_phony (c, *(int*)data); 1581 CT_UNLOCK (bd); 1582 splx (s); 1583 return 0; 1584 1585 case SERIAL_GETCLK: 1586 if (c->mode != M_E1 && c->mode != M_G703) 1587 return EINVAL; 1588 switch (ct_get_clk(c)) { 1589 default: *(int*)data = E1CLK_INTERNAL; break; 1590 case GCLK_RCV: *(int*)data = E1CLK_RECEIVE; break; 1591 case GCLK_RCLKO: *(int*)data = c->num ? 1592 E1CLK_RECEIVE_CHAN0 : E1CLK_RECEIVE_CHAN1; break; 1593 } 1594 return 0; 1595 1596 case SERIAL_SETCLK: 1597 /* Only for superuser! */ 1598 error = suser (td); 1599 if (error) 1600 return error; 1601 s = splimp (); 1602 CT_LOCK (bd); 1603 switch (*(int*)data) { 1604 default: ct_set_clk (c, GCLK_INT); break; 1605 case E1CLK_RECEIVE: ct_set_clk (c, GCLK_RCV); break; 1606 case E1CLK_RECEIVE_CHAN0: 1607 case E1CLK_RECEIVE_CHAN1: 1608 ct_set_clk (c, GCLK_RCLKO); break; 1609 } 1610 CT_UNLOCK (bd); 1611 splx (s); 1612 return 0; 1613 1614 case SERIAL_GETTIMESLOTS: 1615 if (c->mode != M_E1) 1616 return EINVAL; 1617 *(long*)data = ct_get_ts (c); 1618 return 0; 1619 1620 case SERIAL_SETTIMESLOTS: 1621 /* Only for superuser! */ 1622 error = suser (td); 1623 if (error) 1624 return error; 1625 s = splimp (); 1626 CT_LOCK (bd); 1627 ct_set_ts (c, *(long*)data); 1628 CT_UNLOCK (bd); 1629 splx (s); 1630 return 0; 1631 1632 case SERIAL_GETSUBCHAN: 1633 if (c->mode != M_E1) 1634 return EINVAL; 1635 *(long*)data = ct_get_subchan (c->board); 1636 return 0; 1637 1638 case SERIAL_SETSUBCHAN: 1639 /* Only for superuser! */ 1640 error = suser (td); 1641 if (error) 1642 return error; 1643 s = splimp (); 1644 CT_LOCK (bd); 1645 ct_set_subchan (c->board, *(long*)data); 1646 CT_UNLOCK (bd); 1647 splx (s); 1648 return 0; 1649 1650 case SERIAL_GETINVCLK: 1651 case SERIAL_GETINVTCLK: 1652 if (c->mode == M_E1 || c->mode == M_G703) 1653 return EINVAL; 1654 *(int*)data = ct_get_invtxc (c); 1655 return 0; 1656 1657 case SERIAL_GETINVRCLK: 1658 if (c->mode == M_E1 || c->mode == M_G703) 1659 return EINVAL; 1660 *(int*)data = ct_get_invrxc (c); 1661 return 0; 1662 1663 case SERIAL_SETINVCLK: 1664 case SERIAL_SETINVTCLK: 1665 /* Only for superuser! */ 1666 error = suser (td); 1667 if (error) 1668 return error; 1669 if (c->mode == M_E1 || c->mode == M_G703) 1670 return EINVAL; 1671 s = splimp (); 1672 CT_LOCK (bd); 1673 ct_set_invtxc (c, *(int*)data); 1674 CT_UNLOCK (bd); 1675 splx (s); 1676 return 0; 1677 1678 case SERIAL_SETINVRCLK: 1679 /* Only for superuser! */ 1680 error = suser (td); 1681 if (error) 1682 return error; 1683 if (c->mode == M_E1 || c->mode == M_G703) 1684 return EINVAL; 1685 s = splimp (); 1686 CT_LOCK (bd); 1687 ct_set_invrxc (c, *(int*)data); 1688 CT_UNLOCK (bd); 1689 splx (s); 1690 return 0; 1691 1692 case SERIAL_GETLEVEL: 1693 if (c->mode != M_G703) 1694 return EINVAL; 1695 s = splimp (); 1696 CT_LOCK (bd); 1697 *(int*)data = ct_get_lq (c); 1698 CT_UNLOCK (bd); 1699 splx (s); 1700 return 0; 1701 1702 case TIOCSDTR: /* Set DTR */ 1703 s = splimp (); 1704 CT_LOCK (bd); 1705 ct_set_dtr (c, 1); 1706 CT_UNLOCK (bd); 1707 splx (s); 1708 return 0; 1709 1710 case TIOCCDTR: /* Clear DTR */ 1711 s = splimp (); 1712 CT_LOCK (bd); 1713 ct_set_dtr (c, 0); 1714 CT_UNLOCK (bd); 1715 splx (s); 1716 return 0; 1717 1718 case TIOCMSET: /* Set DTR/RTS */ 1719 s = splimp (); 1720 CT_LOCK (bd); 1721 ct_set_dtr (c, (*(int*)data & TIOCM_DTR) ? 1 : 0); 1722 ct_set_rts (c, (*(int*)data & TIOCM_RTS) ? 1 : 0); 1723 CT_UNLOCK (bd); 1724 splx (s); 1725 return 0; 1726 1727 case TIOCMBIS: /* Add DTR/RTS */ 1728 s = splimp (); 1729 CT_LOCK (bd); 1730 if (*(int*)data & TIOCM_DTR) ct_set_dtr (c, 1); 1731 if (*(int*)data & TIOCM_RTS) ct_set_rts (c, 1); 1732 CT_UNLOCK (bd); 1733 splx (s); 1734 return 0; 1735 1736 case TIOCMBIC: /* Clear DTR/RTS */ 1737 s = splimp (); 1738 CT_LOCK (bd); 1739 if (*(int*)data & TIOCM_DTR) ct_set_dtr (c, 0); 1740 if (*(int*)data & TIOCM_RTS) ct_set_rts (c, 0); 1741 CT_UNLOCK (bd); 1742 splx (s); 1743 return 0; 1744 1745 case TIOCMGET: /* Get modem status */ 1746 *(int*)data = ct_modem_status (c); 1747 return 0; 1748 } 1749 return ENOTTY; 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