if_ct.c revision 164033
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 164033 2006-11-06 13:42:10Z rwatson $"); 26 27#include <sys/param.h> 28#include <sys/proc.h> 29#include <sys/systm.h> 30#include <sys/kernel.h> 31#include <sys/module.h> 32#include <sys/mbuf.h> 33#include <sys/sockio.h> 34#include <sys/malloc.h> 35#include <sys/priv.h> 36#include <sys/socket.h> 37#include <sys/sysctl.h> 38#include <sys/conf.h> 39#include <sys/errno.h> 40#include <sys/tty.h> 41#include <sys/bus.h> 42#include <machine/bus.h> 43#include <sys/rman.h> 44#include <isa/isavar.h> 45#include <sys/interrupt.h> 46#include <vm/vm.h> 47#include <vm/pmap.h> 48#include <net/if.h> 49#include <machine/cpufunc.h> 50#include <machine/cserial.h> 51#include <machine/resource.h> 52#include <dev/cx/machdep.h> 53#include <dev/ctau/ctddk.h> 54#include <dev/cx/cronyxfw.h> 55#include "opt_ng_cronyx.h" 56#ifdef NETGRAPH_CRONYX 57# include "opt_netgraph.h" 58# include <netgraph/ng_message.h> 59# include <netgraph/netgraph.h> 60# include <dev/ctau/ng_ct.h> 61#else 62# include <net/if_types.h> 63# include <net/if_sppp.h> 64# define PP_CISCO IFF_LINK2 65# include <net/bpf.h> 66#endif 67 68#define NCTAU 1 69 70/* If we don't have Cronyx's sppp version, we don't have fr support via sppp */ 71#ifndef PP_FR 72#define PP_FR 0 73#endif 74 75#define CT_DEBUG(d,s) ({if (d->chan->debug) {\ 76 printf ("%s: ", d->name); printf s;}}) 77#define CT_DEBUG2(d,s) ({if (d->chan->debug>1) {\ 78 printf ("%s: ", d->name); printf s;}}) 79 80#define CT_LOCK_NAME "ctX" 81 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 189static int ct_open (struct cdev *dev, int oflags, int devtype, struct thread *td); 190static int ct_close (struct cdev *dev, int fflag, int devtype, struct thread *td); 191static int ct_ioctl (struct cdev *dev, u_long cmd, caddr_t data, int flag, struct thread *td); 192static struct cdevsw ct_cdevsw = { 193 .d_version = D_VERSION, 194 .d_open = ct_open, 195 .d_close = ct_close, 196 .d_ioctl = ct_ioctl, 197 .d_name = "ct", 198 .d_flags = D_NEEDGIANT, 199}; 200 201/* 202 * Print the mbuf chain, for debug purposes only. 203 */ 204static void printmbuf (struct mbuf *m) 205{ 206 printf ("mbuf:"); 207 for (; m; m=m->m_next) { 208 if (m->m_flags & M_PKTHDR) 209 printf (" HDR %d:", m->m_pkthdr.len); 210 if (m->m_flags & M_EXT) 211 printf (" EXT:"); 212 printf (" %d", m->m_len); 213 } 214 printf ("\n"); 215} 216 217/* 218 * Make an mbuf from data. 219 */ 220static struct mbuf *makembuf (void *buf, u_int len) 221{ 222 struct mbuf *m; 223 224 MGETHDR (m, M_DONTWAIT, MT_DATA); 225 if (! m) 226 return 0; 227 MCLGET (m, M_DONTWAIT); 228 if (! (m->m_flags & M_EXT)) { 229 m_freem (m); 230 return 0; 231 } 232 m->m_pkthdr.len = m->m_len = len; 233 bcopy (buf, mtod (m, caddr_t), len); 234 return m; 235} 236 237static void ct_timeout (void *arg) 238{ 239 drv_t *d; 240 int s, i, k; 241 242 for (i = 0; i < NCTAU; ++i) { 243 if (adapter[i] == NULL) 244 continue; 245 for (k = 0; k < NCHAN; k++) { 246 d = channel[i * NCHAN + k]; 247 if (! d) 248 continue; 249 if (d->chan->mode != M_G703) 250 continue; 251 s = splimp (); 252 CT_LOCK ((bdrv_t *)d->bd); 253 ct_g703_timer (d->chan); 254 CT_UNLOCK ((bdrv_t *)d->bd); 255 splx (s); 256 } 257 } 258 259 callout_reset (&timeout_handle, hz, ct_timeout, 0); 260} 261 262static void ct_led_off (void *arg) 263{ 264 ct_board_t *b = arg; 265 bdrv_t *bd = ((drv_t *)b->chan->sys)->bd; 266 int s = splimp (); 267 268 CT_LOCK (bd); 269 ct_led (b, 0); 270 CT_UNLOCK (bd); 271 splx (s); 272} 273 274/* 275 * Activate interupt handler from DDK. 276 */ 277static void ct_intr (void *arg) 278{ 279 bdrv_t *bd = arg; 280 ct_board_t *b = bd->board; 281#ifndef NETGRAPH 282 int i; 283#endif 284 int s = splimp (); 285 286 CT_LOCK (bd); 287 /* Turn LED on. */ 288 ct_led (b, 1); 289 290 ct_int_handler (b); 291 292 /* Turn LED off 50 msec later. */ 293 callout_reset (&led_timo[b->num], hz/20, ct_led_off, b); 294 CT_UNLOCK (bd); 295 splx (s); 296 297#ifndef NETGRAPH 298 /* Pass packets in a lock-free state */ 299 for (i = 0; i < NCHAN && b->chan[i].type; i++) { 300 drv_t *d = b->chan[i].sys; 301 struct mbuf *m; 302 if (!d || !d->running) 303 continue; 304 while (_IF_QLEN(&d->queue)) { 305 IF_DEQUEUE (&d->queue,m); 306 if (!m) 307 continue; 308 sppp_input (d->ifp, m); 309 } 310 } 311#endif 312} 313 314static int probe_irq (ct_board_t *b, int irq) 315{ 316 int mask, busy, cnt; 317 318 /* Clear pending irq, if any. */ 319 ct_probe_irq (b, -irq); 320 DELAY (100); 321 for (cnt=0; cnt<5; ++cnt) { 322 /* Get the mask of pending irqs, assuming they are busy. 323 * Activate the adapter on given irq. */ 324 busy = ct_probe_irq (b, irq); 325 DELAY (1000); 326 327 /* Get the mask of active irqs. 328 * Deactivate our irq. */ 329 mask = ct_probe_irq (b, -irq); 330 DELAY (100); 331 if ((mask & ~busy) == 1 << irq) { 332 ct_probe_irq (b, 0); 333 /* printf ("ct%d: irq %d ok, mask=0x%04x, busy=0x%04x\n", 334 b->num, irq, mask, busy); */ 335 return 1; 336 } 337 } 338 /* printf ("ct%d: irq %d not functional, mask=0x%04x, busy=0x%04x\n", 339 b->num, irq, mask, busy); */ 340 ct_probe_irq (b, 0); 341 return 0; 342} 343 344static short porttab [] = { 345 0x200, 0x220, 0x240, 0x260, 0x280, 0x2a0, 0x2c0, 0x2e0, 346 0x300, 0x320, 0x340, 0x360, 0x380, 0x3a0, 0x3c0, 0x3e0, 0 347 }; 348static char dmatab [] = { 7, 6, 5, 0 }; 349static char irqtab [] = { 5, 10, 11, 7, 3, 15, 12, 0 }; 350 351static int ct_is_free_res (device_t dev, int rid, int type, u_long start, 352 u_long end, u_long count) 353{ 354 struct resource *res; 355 356 if (!(res = bus_alloc_resource (dev, type, &rid, start, end, count, 357 RF_ALLOCATED))) 358 return 0; 359 360 bus_release_resource (dev, type, rid, res); 361 362 return 1; 363} 364 365static void ct_identify (driver_t *driver, device_t dev) 366{ 367 u_long iobase, rescount; 368 int devcount; 369 device_t *devices; 370 device_t child; 371 devclass_t my_devclass; 372 int i, k; 373 374 if ((my_devclass = devclass_find ("ct")) == NULL) 375 return; 376 377 devclass_get_devices (my_devclass, &devices, &devcount); 378 379 if (devcount == 0) { 380 /* We should find all devices by our self. We could alter other 381 * devices, but we don't have a choise 382 */ 383 for (i = 0; (iobase = porttab [i]) != 0; i++) { 384 if (!ct_is_free_res (dev, 0, SYS_RES_IOPORT, 385 iobase, iobase + NPORT, NPORT)) 386 continue; 387 if (ct_probe_board (iobase, -1, -1) == 0) 388 continue; 389 390 devcount++; 391 child = BUS_ADD_CHILD (dev, ISA_ORDER_SPECULATIVE, "ct", 392 -1); 393 394 if (child == NULL) 395 return; 396 397 device_set_desc_copy (child, "Cronyx Tau-ISA"); 398 device_set_driver (child, driver); 399 bus_set_resource (child, SYS_RES_IOPORT, 0, 400 iobase, NPORT); 401 402 if (devcount >= NCTAU) 403 break; 404 } 405 } else { 406 static short porttab [] = { 407 0x200, 0x220, 0x240, 0x260, 0x280, 0x2a0, 0x2c0, 0x2e0, 408 0x300, 0x320, 0x340, 0x360, 0x380, 0x3a0, 0x3c0, 0x3e0, 0 409 }; 410 /* Lets check user choise. 411 */ 412 for (k = 0; k < devcount; k++) { 413 if (bus_get_resource (devices[k], SYS_RES_IOPORT, 0, 414 &iobase, &rescount) != 0) 415 continue; 416 417 for (i = 0; porttab [i] != 0; i++) { 418 if (porttab [i] != iobase) 419 continue; 420 421 if (!ct_is_free_res (devices[k], 0, SYS_RES_IOPORT, 422 iobase, iobase + NPORT, NPORT)) 423 continue; 424 425 if (ct_probe_board (iobase, -1, -1) == 0) 426 continue; 427 porttab [i] = -1; 428 device_set_desc_copy (devices[k], "Cronyx Tau-ISA"); 429 break; 430 } 431 if (porttab [i] == 0) { 432 device_delete_child ( 433 device_get_parent (devices[k]), 434 devices [k]); 435 devices[k] = 0; 436 continue; 437 } 438 } 439 for (k = 0; k < devcount; k++) { 440 if (devices[k] == 0) 441 continue; 442 if (bus_get_resource (devices[k], SYS_RES_IOPORT, 0, 443 &iobase, &rescount) == 0) 444 continue; 445 for (i = 0; (iobase = porttab [i]) != 0; i++) { 446 if (porttab [i] == -1) 447 continue; 448 if (!ct_is_free_res (devices[k], 0, SYS_RES_IOPORT, 449 iobase, iobase + NPORT, NPORT)) 450 continue; 451 if (ct_probe_board (iobase, -1, -1) == 0) 452 continue; 453 454 bus_set_resource (devices[k], SYS_RES_IOPORT, 0, 455 iobase, NPORT); 456 porttab [i] = -1; 457 device_set_desc_copy (devices[k], "Cronyx Tau-ISA"); 458 break; 459 } 460 if (porttab [i] == 0) { 461 device_delete_child ( 462 device_get_parent (devices[k]), 463 devices [k]); 464 } 465 } 466 free (devices, M_TEMP); 467 } 468 469 return; 470} 471 472static int ct_probe (device_t dev) 473{ 474 int unit = device_get_unit (dev); 475 u_long iobase, rescount; 476 477 if (!device_get_desc (dev) || 478 strcmp (device_get_desc (dev), "Cronyx Tau-ISA")) 479 return ENXIO; 480 481/* KASSERT ((bd != NULL), ("ct%d: NULL device softc\n", unit));*/ 482 if (bus_get_resource (dev, SYS_RES_IOPORT, 0, &iobase, &rescount) != 0) { 483 printf ("ct%d: Couldn't get IOPORT\n", unit); 484 return ENXIO; 485 } 486 487 if (!ct_is_free_res (dev, 0, SYS_RES_IOPORT, 488 iobase, iobase + NPORT, NPORT)) { 489 printf ("ct%d: Resource IOPORT isn't free\n", unit); 490 return ENXIO; 491 } 492 493 if (!ct_probe_board (iobase, -1, -1)) { 494 printf ("ct%d: probing for Tau-ISA at %lx faild\n", unit, iobase); 495 return ENXIO; 496 } 497 498 return 0; 499} 500 501static void 502ct_bus_dmamap_addr (void *arg, bus_dma_segment_t *segs, int nseg, int error) 503{ 504 unsigned long *addr; 505 506 if (error) 507 return; 508 509 KASSERT(nseg == 1, ("too many DMA segments, %d should be 1", nseg)); 510 addr = arg; 511 *addr = segs->ds_addr; 512} 513 514static int 515ct_bus_dma_mem_alloc (int bnum, int cnum, ct_dma_mem_t *dmem) 516{ 517 int error; 518 519 error = bus_dma_tag_create (NULL, 16, 0, BUS_SPACE_MAXADDR_24BIT, 520 BUS_SPACE_MAXADDR, NULL, NULL, dmem->size, 1, 521 dmem->size, 0, NULL, NULL, &dmem->dmat); 522 if (error) { 523 if (cnum >= 0) printf ("ct%d-%d: ", bnum, cnum); 524 else printf ("ct%d: ", bnum); 525 printf ("couldn't allocate tag for dma memory\n"); 526 return 0; 527 } 528 error = bus_dmamem_alloc (dmem->dmat, (void **)&dmem->virt, 529 BUS_DMA_NOWAIT | BUS_DMA_ZERO, &dmem->mapp); 530 if (error) { 531 if (cnum >= 0) printf ("ct%d-%d: ", bnum, cnum); 532 else printf ("ct%d: ", bnum); 533 printf ("couldn't allocate mem for dma memory\n"); 534 bus_dma_tag_destroy (dmem->dmat); 535 return 0; 536 } 537 error = bus_dmamap_load (dmem->dmat, dmem->mapp, dmem->virt, 538 dmem->size, ct_bus_dmamap_addr, &dmem->phys, 0); 539 if (error) { 540 if (cnum >= 0) printf ("ct%d-%d: ", bnum, cnum); 541 else printf ("ct%d: ", bnum); 542 printf ("couldn't load mem map for dma memory\n"); 543 bus_dmamem_free (dmem->dmat, dmem->virt, dmem->mapp); 544 bus_dma_tag_destroy (dmem->dmat); 545 return 0; 546 } 547 return 1; 548} 549 550static void 551ct_bus_dma_mem_free (ct_dma_mem_t *dmem) 552{ 553 bus_dmamap_unload (dmem->dmat, dmem->mapp); 554 bus_dmamem_free (dmem->dmat, dmem->virt, dmem->mapp); 555 bus_dma_tag_destroy (dmem->dmat); 556} 557 558/* 559 * The adapter is present, initialize the driver structures. 560 */ 561static int ct_attach (device_t dev) 562{ 563 bdrv_t *bd = device_get_softc (dev); 564 u_long iobase, drq, irq, rescount; 565 int unit = device_get_unit (dev); 566 char *ct_ln = CT_LOCK_NAME; 567 ct_board_t *b; 568 ct_chan_t *c; 569 drv_t *d; 570 int i; 571 int s; 572 573 KASSERT ((bd != NULL), ("ct%d: NULL device softc\n", unit)); 574 575 bus_get_resource (dev, SYS_RES_IOPORT, 0, &iobase, &rescount); 576 bd->base_rid = 0; 577 bd->base_res = bus_alloc_resource (dev, SYS_RES_IOPORT, &bd->base_rid, 578 iobase, iobase + NPORT, NPORT, RF_ACTIVE); 579 if (! bd->base_res) { 580 printf ("ct%d: cannot alloc base address\n", unit); 581 return ENXIO; 582 } 583 584 if (bus_get_resource (dev, SYS_RES_DRQ, 0, &drq, &rescount) != 0) { 585 for (i = 0; (drq = dmatab [i]) != 0; i++) { 586 if (!ct_is_free_res (dev, 0, SYS_RES_DRQ, 587 drq, drq + 1, 1)) 588 continue; 589 bus_set_resource (dev, SYS_RES_DRQ, 0, drq, 1); 590 break; 591 } 592 593 if (dmatab[i] == 0) { 594 bus_release_resource (dev, SYS_RES_IOPORT, bd->base_rid, 595 bd->base_res); 596 printf ("ct%d: Couldn't get DRQ\n", unit); 597 return ENXIO; 598 } 599 } 600 601 bd->drq_rid = 0; 602 bd->drq_res = bus_alloc_resource (dev, SYS_RES_DRQ, &bd->drq_rid, 603 drq, drq + 1, 1, RF_ACTIVE); 604 if (! bd->drq_res) { 605 printf ("ct%d: cannot allocate drq\n", unit); 606 bus_release_resource (dev, SYS_RES_IOPORT, bd->base_rid, 607 bd->base_res); 608 return ENXIO; 609 } 610 611 if (bus_get_resource (dev, SYS_RES_IRQ, 0, &irq, &rescount) != 0) { 612 for (i = 0; (irq = irqtab [i]) != 0; i++) { 613 if (!ct_is_free_res (dev, 0, SYS_RES_IRQ, 614 irq, irq + 1, 1)) 615 continue; 616 bus_set_resource (dev, SYS_RES_IRQ, 0, irq, 1); 617 break; 618 } 619 620 if (irqtab[i] == 0) { 621 bus_release_resource (dev, SYS_RES_DRQ, bd->drq_rid, 622 bd->drq_res); 623 bus_release_resource (dev, SYS_RES_IOPORT, bd->base_rid, 624 bd->base_res); 625 printf ("ct%d: Couldn't get IRQ\n", unit); 626 return ENXIO; 627 } 628 } 629 630 bd->irq_rid = 0; 631 bd->irq_res = bus_alloc_resource (dev, SYS_RES_IRQ, &bd->irq_rid, 632 irq, irq + 1, 1, RF_ACTIVE); 633 if (! bd->irq_res) { 634 printf ("ct%d: Couldn't allocate irq\n", unit); 635 bus_release_resource (dev, SYS_RES_DRQ, bd->drq_rid, 636 bd->drq_res); 637 bus_release_resource (dev, SYS_RES_IOPORT, bd->base_rid, 638 bd->base_res); 639 return ENXIO; 640 } 641 642 b = malloc (sizeof (ct_board_t), M_DEVBUF, M_WAITOK); 643 if (!b) { 644 printf ("ct:%d: Couldn't allocate memory\n", unit); 645 return (ENXIO); 646 } 647 adapter[unit] = b; 648 bzero (b, sizeof(ct_board_t)); 649 650 if (! ct_open_board (b, unit, iobase, irq, drq)) { 651 printf ("ct%d: error loading firmware\n", unit); 652 free (b, M_DEVBUF); 653 bus_release_resource (dev, SYS_RES_IRQ, bd->irq_rid, 654 bd->irq_res); 655 bus_release_resource (dev, SYS_RES_DRQ, bd->drq_rid, 656 bd->drq_res); 657 bus_release_resource (dev, SYS_RES_IOPORT, bd->base_rid, 658 bd->base_res); 659 return ENXIO; 660 } 661 662 bd->board = b; 663 664 ct_ln[2] = '0' + unit; 665 mtx_init (&bd->ct_mtx, ct_ln, MTX_NETWORK_LOCK, MTX_DEF|MTX_RECURSE); 666 if (! probe_irq (b, irq)) { 667 printf ("ct%d: irq %ld not functional\n", unit, irq); 668 bd->board = 0; 669 adapter [unit] = 0; 670 free (b, M_DEVBUF); 671 bus_release_resource (dev, SYS_RES_IRQ, bd->irq_rid, 672 bd->irq_res); 673 bus_release_resource (dev, SYS_RES_DRQ, bd->drq_rid, 674 bd->drq_res); 675 bus_release_resource (dev, SYS_RES_IOPORT, bd->base_rid, 676 bd->base_res); 677 mtx_destroy (&bd->ct_mtx); 678 return ENXIO; 679 } 680 681 callout_init (&led_timo[unit], ct_mpsafenet ? CALLOUT_MPSAFE : 0); 682 s = splimp (); 683 if (bus_setup_intr (dev, bd->irq_res, 684 INTR_TYPE_NET|(ct_mpsafenet?INTR_MPSAFE:0), 685 ct_intr, bd, &bd->intrhand)) { 686 printf ("ct%d: Can't setup irq %ld\n", unit, irq); 687 bd->board = 0; 688 adapter [unit] = 0; 689 free (b, M_DEVBUF); 690 bus_release_resource (dev, SYS_RES_IRQ, bd->irq_rid, 691 bd->irq_res); 692 bus_release_resource (dev, SYS_RES_DRQ, bd->drq_rid, 693 bd->drq_res); 694 bus_release_resource (dev, SYS_RES_IOPORT, bd->base_rid, 695 bd->base_res); 696 mtx_destroy (&bd->ct_mtx); 697 splx (s); 698 return ENXIO; 699 } 700 701 CT_LOCK (bd); 702 ct_init_board (b, b->num, b->port, irq, drq, b->type, b->osc); 703 ct_setup_board (b, 0, 0, 0); 704 CT_UNLOCK (bd); 705 706 printf ("ct%d: <Cronyx-%s>, clock %s MHz\n", b->num, b->name, 707 b->osc == 20000000 ? "20" : "16.384"); 708 709 for (c = b->chan; c < b->chan + NCHAN; ++c) { 710 d = &bd->channel[c->num]; 711 d->dmamem.size = sizeof(ct_buf_t); 712 if (! ct_bus_dma_mem_alloc (unit, c->num, &d->dmamem)) 713 continue; 714 d->board = b; 715 d->chan = c; 716 d->bd = bd; 717 c->sys = d; 718 channel [b->num*NCHAN + c->num] = d; 719 sprintf (d->name, "ct%d.%d", b->num, c->num); 720 721#ifdef NETGRAPH 722 if (ng_make_node_common (&typestruct, &d->node) != 0) { 723 printf ("%s: cannot make common node\n", d->name); 724 channel [b->num*NCHAN + c->num] = 0; 725 c->sys = 0; 726 ct_bus_dma_mem_free (&d->dmamem); 727 continue; 728 } 729 NG_NODE_SET_PRIVATE (d->node, d); 730 sprintf (d->nodename, "%s%d", NG_CT_NODE_TYPE, 731 c->board->num*NCHAN + c->num); 732 if (ng_name_node (d->node, d->nodename)) { 733 printf ("%s: cannot name node\n", d->nodename); 734 NG_NODE_UNREF (d->node); 735 channel [b->num*NCHAN + c->num] = 0; 736 c->sys = 0; 737 ct_bus_dma_mem_free (&d->dmamem); 738 continue; 739 } 740 d->queue.ifq_maxlen = IFQ_MAXLEN; 741 d->hi_queue.ifq_maxlen = IFQ_MAXLEN; 742 mtx_init (&d->queue.ifq_mtx, "ct_queue", NULL, MTX_DEF); 743 mtx_init (&d->hi_queue.ifq_mtx, "ct_queue_hi", NULL, MTX_DEF); 744 callout_init (&d->timeout_handle, 745 ct_mpsafenet ? CALLOUT_MPSAFE : 0); 746#else /*NETGRAPH*/ 747 d->ifp = if_alloc(IFT_PPP); 748 if (d->ifp == NULL) { 749 printf ("%s: cannot if_alloc common interface\n", 750 d->name); 751 channel [b->num*NCHAN + c->num] = 0; 752 c->sys = 0; 753 ct_bus_dma_mem_free (&d->dmamem); 754 continue; 755 } 756 d->ifp->if_softc = d; 757 if_initname (d->ifp, "ct", b->num * NCHAN + c->num); 758 d->ifp->if_mtu = PP_MTU; 759 d->ifp->if_flags = IFF_POINTOPOINT | IFF_MULTICAST; 760 if (!ct_mpsafenet) 761 d->ifp->if_flags |= IFF_NEEDSGIANT; 762 d->ifp->if_ioctl = ct_sioctl; 763 d->ifp->if_start = ct_ifstart; 764 d->ifp->if_watchdog = ct_ifwatchdog; 765 d->ifp->if_init = ct_initialize; 766 d->queue.ifq_maxlen = NBUF; 767 mtx_init (&d->queue.ifq_mtx, "ct_queue", NULL, MTX_DEF); 768 sppp_attach (d->ifp); 769 if_attach (d->ifp); 770 IFP2SP(d->ifp)->pp_tlf = ct_tlf; 771 IFP2SP(d->ifp)->pp_tls = ct_tls; 772 /* If BPF is in the kernel, call the attach for it. 773 * Header size is 4 bytes. */ 774 bpfattach (d->ifp, DLT_PPP, 4); 775#endif /*NETGRAPH*/ 776 CT_LOCK (bd); 777 ct_start_chan (c, d->dmamem.virt, d->dmamem.phys); 778 ct_register_receive (c, &ct_receive); 779 ct_register_transmit (c, &ct_transmit); 780 ct_register_error (c, &ct_error); 781 CT_UNLOCK (bd); 782 d->devt = make_dev (&ct_cdevsw, b->num*NCHAN+c->num, UID_ROOT, 783 GID_WHEEL, 0600, "ct%d", b->num*NCHAN+c->num); 784 } 785 splx (s); 786 787 return 0; 788} 789 790static int ct_detach (device_t dev) 791{ 792 bdrv_t *bd = device_get_softc (dev); 793 ct_board_t *b = bd->board; 794 ct_chan_t *c; 795 int s; 796 797 KASSERT (mtx_initialized (&bd->ct_mtx), ("ct mutex not initialized")); 798 799 s = splimp (); 800 CT_LOCK (bd); 801 /* Check if the device is busy (open). */ 802 for (c = b->chan; c < b->chan + NCHAN; ++c) { 803 drv_t *d = (drv_t*) c->sys; 804 805 if (!d || !d->chan->type) 806 continue; 807 808 if (d->running) { 809 CT_UNLOCK (bd); 810 splx (s); 811 return EBUSY; 812 } 813 } 814 815 /* Deactivate the timeout routine. */ 816 callout_stop (&led_timo[b->num]); 817 818 CT_UNLOCK (bd); 819 820 bus_teardown_intr (dev, bd->irq_res, bd->intrhand); 821 bus_deactivate_resource (dev, SYS_RES_IRQ, bd->irq_rid, bd->irq_res); 822 bus_release_resource (dev, SYS_RES_IRQ, bd->irq_rid, bd->irq_res); 823 824 bus_deactivate_resource (dev, SYS_RES_DRQ, bd->drq_rid, bd->drq_res); 825 bus_release_resource (dev, SYS_RES_DRQ, bd->drq_rid, bd->drq_res); 826 827 bus_deactivate_resource (dev, SYS_RES_IOPORT, bd->base_rid, bd->irq_res); 828 bus_release_resource (dev, SYS_RES_IOPORT, bd->base_rid, bd->base_res); 829 830 CT_LOCK (bd); 831 ct_close_board (b); 832 CT_UNLOCK (bd); 833 834 /* Detach the interfaces, free buffer memory. */ 835 for (c = b->chan; c < b->chan + NCHAN; ++c) { 836 drv_t *d = (drv_t*) c->sys; 837 838 if (!d || !d->chan->type) 839 continue; 840 841#ifdef NETGRAPH 842 if (d->node) { 843 ng_rmnode_self (d->node); 844 NG_NODE_UNREF (d->node); 845 d->node = NULL; 846 } 847 mtx_destroy (&d->queue.ifq_mtx); 848 mtx_destroy (&d->hi_queue.ifq_mtx); 849#else 850 /* Detach from the packet filter list of interfaces. */ 851 bpfdetach (d->ifp); 852 853 /* Detach from the sync PPP list. */ 854 sppp_detach (d->ifp); 855 856 if_detach (d->ifp); 857 if_free (d->ifp); 858 IF_DRAIN (&d->queue); 859 mtx_destroy (&d->queue.ifq_mtx); 860#endif 861 destroy_dev (d->devt); 862 } 863 864 CT_LOCK (bd); 865 ct_led_off (b); 866 CT_UNLOCK (bd); 867 callout_drain (&led_timo[b->num]); 868 splx (s); 869 870 s = splimp (); 871 for (c = b->chan; c < b->chan + NCHAN; ++c) { 872 drv_t *d = (drv_t*) c->sys; 873 874 if (!d || !d->chan->type) 875 continue; 876 877 /* Deallocate buffers. */ 878 ct_bus_dma_mem_free (&d->dmamem); 879 } 880 bd->board = 0; 881 adapter [b->num] = 0; 882 free (b, M_DEVBUF); 883 splx (s); 884 885 mtx_destroy (&bd->ct_mtx); 886 887 return 0; 888} 889 890#ifndef NETGRAPH 891static void ct_ifstart (struct ifnet *ifp) 892{ 893 drv_t *d = ifp->if_softc; 894 bdrv_t *bd = d->bd; 895 896 CT_LOCK (bd); 897 ct_start (d); 898 CT_UNLOCK (bd); 899} 900 901static void ct_ifwatchdog (struct ifnet *ifp) 902{ 903 drv_t *d = ifp->if_softc; 904 905 ct_watchdog (d); 906} 907 908static void ct_tlf (struct sppp *sp) 909{ 910 drv_t *d = SP2IFP(sp)->if_softc; 911 912 CT_DEBUG (d, ("ct_tlf\n")); 913/* ct_set_dtr (d->chan, 0);*/ 914/* ct_set_rts (d->chan, 0);*/ 915 if (!(sp->pp_flags & PP_FR) && !(d->ifp->if_flags & PP_CISCO)) 916 sp->pp_down (sp); 917} 918 919static void ct_tls (struct sppp *sp) 920{ 921 drv_t *d = SP2IFP(sp)->if_softc; 922 923 CT_DEBUG (d, ("ct_tls\n")); 924 if (!(sp->pp_flags & PP_FR) && !(d->ifp->if_flags & PP_CISCO)) 925 sp->pp_up (sp); 926} 927 928/* 929 * Initialization of interface. 930 * Ii seems to be never called by upper level. 931 */ 932static void ct_initialize (void *softc) 933{ 934 drv_t *d = softc; 935 936 CT_DEBUG (d, ("ct_initialize\n")); 937} 938 939/* 940 * Process an ioctl request. 941 */ 942static int ct_sioctl (struct ifnet *ifp, u_long cmd, caddr_t data) 943{ 944 drv_t *d = ifp->if_softc; 945 bdrv_t *bd = d->bd; 946 int error, s, was_up, should_be_up; 947 948 was_up = (ifp->if_drv_flags & IFF_DRV_RUNNING) != 0; 949 error = sppp_ioctl (ifp, cmd, data); 950 if (error) 951 return error; 952 953 if (! (ifp->if_flags & IFF_DEBUG)) 954 d->chan->debug = 0; 955 else if (! d->chan->debug) 956 d->chan->debug = 1; 957 958 switch (cmd) { 959 default: CT_DEBUG2 (d, ("ioctl 0x%lx\n", cmd)); return 0; 960 case SIOCADDMULTI: CT_DEBUG2 (d, ("SIOCADDMULTI\n")); return 0; 961 case SIOCDELMULTI: CT_DEBUG2 (d, ("SIOCDELMULTI\n")); return 0; 962 case SIOCSIFFLAGS: CT_DEBUG2 (d, ("SIOCSIFFLAGS\n")); break; 963 case SIOCSIFADDR: CT_DEBUG2 (d, ("SIOCSIFADDR\n")); break; 964 } 965 966 /* We get here only in case of SIFFLAGS or SIFADDR. */ 967 s = splimp (); 968 CT_LOCK (bd); 969 should_be_up = (ifp->if_drv_flags & IFF_DRV_RUNNING) != 0; 970 if (! was_up && should_be_up) { 971 /* Interface goes up -- start it. */ 972 ct_up (d); 973 ct_start (d); 974 } else if (was_up && ! should_be_up) { 975 /* Interface is going down -- stop it. */ 976 /* if ((IFP2SP(d->ifp)->pp_flags & PP_FR) || (ifp->if_flags & PP_CISCO))*/ 977 ct_down (d); 978 } 979 CT_UNLOCK (bd); 980 splx (s); 981 return 0; 982} 983#endif /*NETGRAPH*/ 984 985/* 986 * Stop the interface. Called on splimp(). 987 */ 988static void ct_down (drv_t *d) 989{ 990 int s = splimp (); 991 CT_DEBUG (d, ("ct_down\n")); 992 ct_set_dtr (d->chan, 0); 993 ct_set_rts (d->chan, 0); 994 d->running = 0; 995 splx (s); 996} 997 998/* 999 * Start the interface. Called on splimp(). 1000 */ 1001static void ct_up (drv_t *d) 1002{ 1003 int s = splimp (); 1004 CT_DEBUG (d, ("ct_up\n")); 1005 ct_set_dtr (d->chan, 1); 1006 ct_set_rts (d->chan, 1); 1007 d->running = 1; 1008 splx (s); 1009} 1010 1011/* 1012 * Start output on the (slave) interface. Get another datagram to send 1013 * off of the interface queue, and copy it to the interface 1014 * before starting the output. 1015 */ 1016static void ct_send (drv_t *d) 1017{ 1018 struct mbuf *m; 1019 u_short len; 1020 1021 CT_DEBUG2 (d, ("ct_send, tn=%d\n", d->chan->tn)); 1022 1023 /* No output if the interface is down. */ 1024 if (! d->running) 1025 return; 1026 1027 /* No output if the modem is off. */ 1028 if (! ct_get_dsr (d->chan) && !ct_get_loop (d->chan)) 1029 return; 1030 1031 while (ct_buf_free (d->chan)) { 1032 /* Get the packet to send. */ 1033#ifdef NETGRAPH 1034 IF_DEQUEUE (&d->hi_queue, m); 1035 if (! m) 1036 IF_DEQUEUE (&d->queue, m); 1037#else 1038 m = sppp_dequeue (d->ifp); 1039#endif 1040 if (! m) 1041 return; 1042#ifndef NETGRAPH 1043 if (d->ifp->if_bpf) 1044 BPF_MTAP (d->ifp, m); 1045#endif 1046 len = m_length (m, NULL); 1047 if (! m->m_next) 1048 ct_send_packet (d->chan, (u_char*)mtod (m, caddr_t), 1049 len, 0); 1050 else { 1051 m_copydata (m, 0, len, d->chan->tbuf[d->chan->te]); 1052 ct_send_packet (d->chan, d->chan->tbuf[d->chan->te], 1053 len, 0); 1054 } 1055 m_freem (m); 1056 1057 /* Set up transmit timeout, if the transmit ring is not empty. 1058 * Transmit timeout is 10 seconds. */ 1059#ifdef NETGRAPH 1060 d->timeout = 10; 1061#else 1062 d->ifp->if_timer = 10; 1063#endif 1064 } 1065#ifndef NETGRAPH 1066 d->ifp->if_drv_flags |= IFF_DRV_OACTIVE; 1067#endif 1068} 1069 1070/* 1071 * Start output on the interface. 1072 * Always called on splimp(). 1073 */ 1074static void ct_start (drv_t *d) 1075{ 1076 int s = splimp (); 1077 1078 if (d->running) { 1079 if (! d->chan->dtr) 1080 ct_set_dtr (d->chan, 1); 1081 if (! d->chan->rts) 1082 ct_set_rts (d->chan, 1); 1083 ct_send (d); 1084 } 1085 1086 splx (s); 1087} 1088 1089/* 1090 * Handle transmit timeouts. 1091 * Recover after lost transmit interrupts. 1092 * Always called on splimp(). 1093 */ 1094static void ct_watchdog (drv_t *d) 1095{ 1096 bdrv_t *bd = d->bd; 1097 int s; 1098 1099 s = splimp (); 1100 CT_LOCK (bd); 1101 CT_DEBUG (d, ("device timeout\n")); 1102 if (d->running) { 1103 ct_setup_chan (d->chan); 1104 ct_start_chan (d->chan, 0, 0); 1105 ct_set_dtr (d->chan, 1); 1106 ct_set_rts (d->chan, 1); 1107 ct_start (d); 1108 } 1109 CT_UNLOCK (bd); 1110 splx (s); 1111} 1112 1113/* 1114 * Transmit callback function. 1115 */ 1116static void ct_transmit (ct_chan_t *c, void *attachment, int len) 1117{ 1118 drv_t *d = c->sys; 1119 1120 if (!d) 1121 return; 1122#ifdef NETGRAPH 1123 d->timeout = 0; 1124#else 1125 ++d->ifp->if_opackets; 1126 d->ifp->if_drv_flags &= ~IFF_DRV_OACTIVE; 1127 d->ifp->if_timer = 0; 1128#endif 1129 ct_start (d); 1130} 1131 1132/* 1133 * Process the received packet. 1134 */ 1135static void ct_receive (ct_chan_t *c, char *data, int len) 1136{ 1137 drv_t *d = c->sys; 1138 struct mbuf *m; 1139#ifdef NETGRAPH 1140 int error; 1141#endif 1142 1143 if (!d || !d->running) 1144 return; 1145 1146 m = makembuf (data, len); 1147 if (! m) { 1148 CT_DEBUG (d, ("no memory for packet\n")); 1149#ifndef NETGRAPH 1150 ++d->ifp->if_iqdrops; 1151#endif 1152 return; 1153 } 1154 if (c->debug > 1) 1155 printmbuf (m); 1156#ifdef NETGRAPH 1157 m->m_pkthdr.rcvif = 0; 1158 NG_SEND_DATA_ONLY (error, d->hook, m); 1159#else 1160 ++d->ifp->if_ipackets; 1161 m->m_pkthdr.rcvif = d->ifp; 1162 /* Check if there's a BPF listener on this interface. 1163 * If so, hand off the raw packet to bpf. */ 1164 if (d->ifp->if_bpf) 1165 BPF_TAP (d->ifp, data, len); 1166 IF_ENQUEUE (&d->queue, m); 1167#endif 1168} 1169 1170/* 1171 * Error callback function. 1172 */ 1173static void ct_error (ct_chan_t *c, int data) 1174{ 1175 drv_t *d = c->sys; 1176 1177 if (!d) 1178 return; 1179 1180 switch (data) { 1181 case CT_FRAME: 1182 CT_DEBUG (d, ("frame error\n")); 1183#ifndef NETGRAPH 1184 ++d->ifp->if_ierrors; 1185#endif 1186 break; 1187 case CT_CRC: 1188 CT_DEBUG (d, ("crc error\n")); 1189#ifndef NETGRAPH 1190 ++d->ifp->if_ierrors; 1191#endif 1192 break; 1193 case CT_OVERRUN: 1194 CT_DEBUG (d, ("overrun error\n")); 1195#ifndef NETGRAPH 1196 ++d->ifp->if_collisions; 1197 ++d->ifp->if_ierrors; 1198#endif 1199 break; 1200 case CT_OVERFLOW: 1201 CT_DEBUG (d, ("overflow error\n")); 1202#ifndef NETGRAPH 1203 ++d->ifp->if_ierrors; 1204#endif 1205 break; 1206 case CT_UNDERRUN: 1207 CT_DEBUG (d, ("underrun error\n")); 1208#ifdef NETGRAPH 1209 d->timeout = 0; 1210#else 1211 ++d->ifp->if_oerrors; 1212 d->ifp->if_drv_flags &= ~IFF_DRV_OACTIVE; 1213 d->ifp->if_timer = 0; 1214#endif 1215 ct_start (d); 1216 break; 1217 default: 1218 CT_DEBUG (d, ("error #%d\n", data)); 1219 } 1220} 1221 1222static int ct_open (struct cdev *dev, int oflags, int devtype, struct thread *td) 1223{ 1224 drv_t *d; 1225 1226 if (minor(dev) >= NCTAU*NCHAN || ! (d = channel[minor(dev)])) 1227 return ENXIO; 1228 1229 CT_DEBUG2 (d, ("ct_open\n")); 1230 return 0; 1231} 1232 1233static int ct_close (struct cdev *dev, int fflag, int devtype, struct thread *td) 1234{ 1235 drv_t *d = channel [minor(dev)]; 1236 1237 if (!d) 1238 return 0; 1239 1240 CT_DEBUG2 (d, ("ct_close\n")); 1241 return 0; 1242} 1243 1244static int ct_modem_status (ct_chan_t *c) 1245{ 1246 drv_t *d = c->sys; 1247 bdrv_t *bd; 1248 int status, s; 1249 1250 if (!d) 1251 return 0; 1252 1253 bd = d->bd; 1254 1255 status = d->running ? TIOCM_LE : 0; 1256 s = splimp (); 1257 CT_LOCK (bd); 1258 if (ct_get_cd (c)) status |= TIOCM_CD; 1259 if (ct_get_cts (c)) status |= TIOCM_CTS; 1260 if (ct_get_dsr (c)) status |= TIOCM_DSR; 1261 if (c->dtr) status |= TIOCM_DTR; 1262 if (c->rts) status |= TIOCM_RTS; 1263 CT_UNLOCK (bd); 1264 splx (s); 1265 return status; 1266} 1267 1268/* 1269 * Process an ioctl request on /dev/cronyx/ctauN. 1270 */ 1271static int ct_ioctl (struct cdev *dev, u_long cmd, caddr_t data, int flag, struct thread *td) 1272{ 1273 drv_t *d = channel [minor (dev)]; 1274 bdrv_t *bd; 1275 ct_chan_t *c; 1276 struct serial_statistics *st; 1277 struct e1_statistics *opte1; 1278 int error, s; 1279 char mask[16]; 1280 1281 if (!d || !d->chan) 1282 return 0; 1283 1284 bd = d->bd; 1285 c = d->chan; 1286 1287 switch (cmd) { 1288 case SERIAL_GETREGISTERED: 1289 bzero (mask, sizeof(mask)); 1290 for (s=0; s<NCTAU*NCHAN; ++s) 1291 if (channel [s]) 1292 mask [s/8] |= 1 << (s & 7); 1293 bcopy (mask, data, sizeof (mask)); 1294 return 0; 1295 1296#ifndef NETGRAPH 1297 case SERIAL_GETPROTO: 1298 strcpy ((char*)data, (IFP2SP(d->ifp)->pp_flags & PP_FR) ? "fr" : 1299 (d->ifp->if_flags & PP_CISCO) ? "cisco" : "ppp"); 1300 return 0; 1301 1302 case SERIAL_SETPROTO: 1303 /* Only for superuser! */ 1304 error = priv_check (td, PRIV_DRIVER); 1305 if (error) 1306 return error; 1307 if (d->ifp->if_drv_flags & IFF_DRV_RUNNING) 1308 return EBUSY; 1309 if (! strcmp ("cisco", (char*)data)) { 1310 IFP2SP(d->ifp)->pp_flags &= ~(PP_FR); 1311 IFP2SP(d->ifp)->pp_flags |= PP_KEEPALIVE; 1312 d->ifp->if_flags |= PP_CISCO; 1313 } else if (! strcmp ("fr", (char*)data)) { 1314 d->ifp->if_flags &= ~(PP_CISCO); 1315 IFP2SP(d->ifp)->pp_flags |= PP_FR | PP_KEEPALIVE; 1316 } else if (! strcmp ("ppp", (char*)data)) { 1317 IFP2SP(d->ifp)->pp_flags &= ~(PP_FR | PP_KEEPALIVE); 1318 d->ifp->if_flags &= ~(PP_CISCO); 1319 } else 1320 return EINVAL; 1321 return 0; 1322 1323 case SERIAL_GETKEEPALIVE: 1324 if ((IFP2SP(d->ifp)->pp_flags & PP_FR) || 1325 (d->ifp->if_flags & PP_CISCO)) 1326 return EINVAL; 1327 *(int*)data = (IFP2SP(d->ifp)->pp_flags & PP_KEEPALIVE) ? 1 : 0; 1328 return 0; 1329 1330 case SERIAL_SETKEEPALIVE: 1331 /* Only for superuser! */ 1332 error = priv_check (td, PRIV_DRIVER); 1333 if (error) 1334 return error; 1335 if ((IFP2SP(d->ifp)->pp_flags & PP_FR) || 1336 (d->ifp->if_flags & PP_CISCO)) 1337 return EINVAL; 1338 if (*(int*)data) 1339 IFP2SP(d->ifp)->pp_flags |= PP_KEEPALIVE; 1340 else 1341 IFP2SP(d->ifp)->pp_flags &= ~PP_KEEPALIVE; 1342 return 0; 1343#endif /*NETGRAPH*/ 1344 1345 case SERIAL_GETMODE: 1346 *(int*)data = SERIAL_HDLC; 1347 return 0; 1348 1349 case SERIAL_GETCFG: 1350 if (c->mode == M_HDLC) 1351 return EINVAL; 1352 switch (ct_get_config (c->board)) { 1353 default: *(char*)data = 'a'; break; 1354 case CFG_B: *(char*)data = 'b'; break; 1355 case CFG_C: *(char*)data = 'c'; break; 1356 } 1357 return 0; 1358 1359 case SERIAL_SETCFG: 1360 /* Only for superuser! */ 1361 error = priv_check (td, PRIV_DRIVER); 1362 if (error) 1363 return error; 1364 if (c->mode == M_HDLC) 1365 return EINVAL; 1366 s = splimp (); 1367 CT_LOCK (bd); 1368 switch (*(char*)data) { 1369 case 'a': ct_set_config (c->board, CFG_A); break; 1370 case 'b': ct_set_config (c->board, CFG_B); break; 1371 case 'c': ct_set_config (c->board, CFG_C); break; 1372 } 1373 CT_UNLOCK (bd); 1374 splx (s); 1375 return 0; 1376 1377 case SERIAL_GETSTAT: 1378 st = (struct serial_statistics*) data; 1379 st->rintr = c->rintr; 1380 st->tintr = c->tintr; 1381 st->mintr = c->mintr; 1382 st->ibytes = c->ibytes; 1383 st->ipkts = c->ipkts; 1384 st->ierrs = c->ierrs; 1385 st->obytes = c->obytes; 1386 st->opkts = c->opkts; 1387 st->oerrs = c->oerrs; 1388 return 0; 1389 1390 case SERIAL_GETESTAT: 1391 opte1 = (struct e1_statistics*)data; 1392 opte1->status = c->status; 1393 opte1->cursec = c->cursec; 1394 opte1->totsec = c->totsec + c->cursec; 1395 1396 opte1->currnt.bpv = c->currnt.bpv; 1397 opte1->currnt.fse = c->currnt.fse; 1398 opte1->currnt.crce = c->currnt.crce; 1399 opte1->currnt.rcrce = c->currnt.rcrce; 1400 opte1->currnt.uas = c->currnt.uas; 1401 opte1->currnt.les = c->currnt.les; 1402 opte1->currnt.es = c->currnt.es; 1403 opte1->currnt.bes = c->currnt.bes; 1404 opte1->currnt.ses = c->currnt.ses; 1405 opte1->currnt.oofs = c->currnt.oofs; 1406 opte1->currnt.css = c->currnt.css; 1407 opte1->currnt.dm = c->currnt.dm; 1408 1409 opte1->total.bpv = c->total.bpv + c->currnt.bpv; 1410 opte1->total.fse = c->total.fse + c->currnt.fse; 1411 opte1->total.crce = c->total.crce + c->currnt.crce; 1412 opte1->total.rcrce = c->total.rcrce + c->currnt.rcrce; 1413 opte1->total.uas = c->total.uas + c->currnt.uas; 1414 opte1->total.les = c->total.les + c->currnt.les; 1415 opte1->total.es = c->total.es + c->currnt.es; 1416 opte1->total.bes = c->total.bes + c->currnt.bes; 1417 opte1->total.ses = c->total.ses + c->currnt.ses; 1418 opte1->total.oofs = c->total.oofs + c->currnt.oofs; 1419 opte1->total.css = c->total.css + c->currnt.css; 1420 opte1->total.dm = c->total.dm + c->currnt.dm; 1421 for (s=0; s<48; ++s) { 1422 opte1->interval[s].bpv = c->interval[s].bpv; 1423 opte1->interval[s].fse = c->interval[s].fse; 1424 opte1->interval[s].crce = c->interval[s].crce; 1425 opte1->interval[s].rcrce = c->interval[s].rcrce; 1426 opte1->interval[s].uas = c->interval[s].uas; 1427 opte1->interval[s].les = c->interval[s].les; 1428 opte1->interval[s].es = c->interval[s].es; 1429 opte1->interval[s].bes = c->interval[s].bes; 1430 opte1->interval[s].ses = c->interval[s].ses; 1431 opte1->interval[s].oofs = c->interval[s].oofs; 1432 opte1->interval[s].css = c->interval[s].css; 1433 opte1->interval[s].dm = c->interval[s].dm; 1434 } 1435 return 0; 1436 1437 case SERIAL_CLRSTAT: 1438 /* Only for superuser! */ 1439 error = priv_check (td, PRIV_DRIVER); 1440 if (error) 1441 return error; 1442 c->rintr = 0; 1443 c->tintr = 0; 1444 c->mintr = 0; 1445 c->ibytes = 0; 1446 c->ipkts = 0; 1447 c->ierrs = 0; 1448 c->obytes = 0; 1449 c->opkts = 0; 1450 c->oerrs = 0; 1451 bzero (&c->currnt, sizeof (c->currnt)); 1452 bzero (&c->total, sizeof (c->total)); 1453 bzero (c->interval, sizeof (c->interval)); 1454 return 0; 1455 1456 case SERIAL_GETBAUD: 1457 *(long*)data = ct_get_baud(c); 1458 return 0; 1459 1460 case SERIAL_SETBAUD: 1461 /* Only for superuser! */ 1462 error = priv_check (td, PRIV_DRIVER); 1463 if (error) 1464 return error; 1465 s = splimp (); 1466 CT_LOCK (bd); 1467 ct_set_baud (c, *(long*)data); 1468 CT_UNLOCK (bd); 1469 splx (s); 1470 return 0; 1471 1472 case SERIAL_GETLOOP: 1473 *(int*)data = ct_get_loop (c); 1474 return 0; 1475 1476 case SERIAL_SETLOOP: 1477 /* Only for superuser! */ 1478 error = priv_check (td, PRIV_DRIVER); 1479 if (error) 1480 return error; 1481 s = splimp (); 1482 CT_LOCK (bd); 1483 ct_set_loop (c, *(int*)data); 1484 CT_UNLOCK (bd); 1485 splx (s); 1486 return 0; 1487 1488 case SERIAL_GETDPLL: 1489 if (c->mode == M_E1 || c->mode == M_G703) 1490 return EINVAL; 1491 *(int*)data = ct_get_dpll (c); 1492 return 0; 1493 1494 case SERIAL_SETDPLL: 1495 /* Only for superuser! */ 1496 error = priv_check (td, PRIV_DRIVER); 1497 if (error) 1498 return error; 1499 if (c->mode == M_E1 || c->mode == M_G703) 1500 return EINVAL; 1501 s = splimp (); 1502 CT_LOCK (bd); 1503 ct_set_dpll (c, *(int*)data); 1504 CT_UNLOCK (bd); 1505 splx (s); 1506 return 0; 1507 1508 case SERIAL_GETNRZI: 1509 if (c->mode == M_E1 || c->mode == M_G703) 1510 return EINVAL; 1511 *(int*)data = ct_get_nrzi (c); 1512 return 0; 1513 1514 case SERIAL_SETNRZI: 1515 /* Only for superuser! */ 1516 error = priv_check (td, PRIV_DRIVER); 1517 if (error) 1518 return error; 1519 if (c->mode == M_E1 || c->mode == M_G703) 1520 return EINVAL; 1521 s = splimp (); 1522 CT_LOCK (bd); 1523 ct_set_nrzi (c, *(int*)data); 1524 CT_UNLOCK (bd); 1525 splx (s); 1526 return 0; 1527 1528 case SERIAL_GETDEBUG: 1529 *(int*)data = c->debug; 1530 return 0; 1531 1532 case SERIAL_SETDEBUG: 1533 /* Only for superuser! */ 1534 error = priv_check (td, PRIV_DRIVER); 1535 if (error) 1536 return error; 1537 c->debug = *(int*)data; 1538#ifndef NETGRAPH 1539 if (d->chan->debug) 1540 d->ifp->if_flags |= IFF_DEBUG; 1541 else 1542 d->ifp->if_flags &= (~IFF_DEBUG); 1543#endif 1544 return 0; 1545 1546 case SERIAL_GETHIGAIN: 1547 if (c->mode != M_E1) 1548 return EINVAL; 1549 *(int*)data = ct_get_higain (c); 1550 return 0; 1551 1552 case SERIAL_SETHIGAIN: 1553 /* Only for superuser! */ 1554 error = priv_check (td, PRIV_DRIVER); 1555 if (error) 1556 return error; 1557 s = splimp (); 1558 CT_LOCK (bd); 1559 ct_set_higain (c, *(int*)data); 1560 CT_UNLOCK (bd); 1561 splx (s); 1562 return 0; 1563 1564 case SERIAL_GETPHONY: 1565 CT_DEBUG2 (d, ("ioctl: getphony\n")); 1566 if (c->mode != M_E1) 1567 return EINVAL; 1568 *(int*)data = c->gopt.phony; 1569 return 0; 1570 1571 case SERIAL_SETPHONY: 1572 CT_DEBUG2 (d, ("ioctl: setphony\n")); 1573 if (c->mode != M_E1) 1574 return EINVAL; 1575 /* Only for superuser! */ 1576 error = priv_check (td, PRIV_DRIVER); 1577 if (error) 1578 return error; 1579 s = splimp (); 1580 CT_LOCK (bd); 1581 ct_set_phony (c, *(int*)data); 1582 CT_UNLOCK (bd); 1583 splx (s); 1584 return 0; 1585 1586 case SERIAL_GETCLK: 1587 if (c->mode != M_E1 && c->mode != M_G703) 1588 return EINVAL; 1589 switch (ct_get_clk(c)) { 1590 default: *(int*)data = E1CLK_INTERNAL; break; 1591 case GCLK_RCV: *(int*)data = E1CLK_RECEIVE; break; 1592 case GCLK_RCLKO: *(int*)data = c->num ? 1593 E1CLK_RECEIVE_CHAN0 : E1CLK_RECEIVE_CHAN1; break; 1594 } 1595 return 0; 1596 1597 case SERIAL_SETCLK: 1598 /* Only for superuser! */ 1599 error = priv_check (td, PRIV_DRIVER); 1600 if (error) 1601 return error; 1602 s = splimp (); 1603 CT_LOCK (bd); 1604 switch (*(int*)data) { 1605 default: ct_set_clk (c, GCLK_INT); break; 1606 case E1CLK_RECEIVE: ct_set_clk (c, GCLK_RCV); break; 1607 case E1CLK_RECEIVE_CHAN0: 1608 case E1CLK_RECEIVE_CHAN1: 1609 ct_set_clk (c, GCLK_RCLKO); break; 1610 } 1611 CT_UNLOCK (bd); 1612 splx (s); 1613 return 0; 1614 1615 case SERIAL_GETTIMESLOTS: 1616 if (c->mode != M_E1) 1617 return EINVAL; 1618 *(long*)data = ct_get_ts (c); 1619 return 0; 1620 1621 case SERIAL_SETTIMESLOTS: 1622 /* Only for superuser! */ 1623 error = priv_check (td, PRIV_DRIVER); 1624 if (error) 1625 return error; 1626 s = splimp (); 1627 CT_LOCK (bd); 1628 ct_set_ts (c, *(long*)data); 1629 CT_UNLOCK (bd); 1630 splx (s); 1631 return 0; 1632 1633 case SERIAL_GETSUBCHAN: 1634 if (c->mode != M_E1) 1635 return EINVAL; 1636 *(long*)data = ct_get_subchan (c->board); 1637 return 0; 1638 1639 case SERIAL_SETSUBCHAN: 1640 /* Only for superuser! */ 1641 error = priv_check (td, PRIV_DRIVER); 1642 if (error) 1643 return error; 1644 s = splimp (); 1645 CT_LOCK (bd); 1646 ct_set_subchan (c->board, *(long*)data); 1647 CT_UNLOCK (bd); 1648 splx (s); 1649 return 0; 1650 1651 case SERIAL_GETINVCLK: 1652 case SERIAL_GETINVTCLK: 1653 if (c->mode == M_E1 || c->mode == M_G703) 1654 return EINVAL; 1655 *(int*)data = ct_get_invtxc (c); 1656 return 0; 1657 1658 case SERIAL_GETINVRCLK: 1659 if (c->mode == M_E1 || c->mode == M_G703) 1660 return EINVAL; 1661 *(int*)data = ct_get_invrxc (c); 1662 return 0; 1663 1664 case SERIAL_SETINVCLK: 1665 case SERIAL_SETINVTCLK: 1666 /* Only for superuser! */ 1667 error = priv_check (td, PRIV_DRIVER); 1668 if (error) 1669 return error; 1670 if (c->mode == M_E1 || c->mode == M_G703) 1671 return EINVAL; 1672 s = splimp (); 1673 CT_LOCK (bd); 1674 ct_set_invtxc (c, *(int*)data); 1675 CT_UNLOCK (bd); 1676 splx (s); 1677 return 0; 1678 1679 case SERIAL_SETINVRCLK: 1680 /* Only for superuser! */ 1681 error = priv_check (td, PRIV_DRIVER); 1682 if (error) 1683 return error; 1684 if (c->mode == M_E1 || c->mode == M_G703) 1685 return EINVAL; 1686 s = splimp (); 1687 CT_LOCK (bd); 1688 ct_set_invrxc (c, *(int*)data); 1689 CT_UNLOCK (bd); 1690 splx (s); 1691 return 0; 1692 1693 case SERIAL_GETLEVEL: 1694 if (c->mode != M_G703) 1695 return EINVAL; 1696 s = splimp (); 1697 CT_LOCK (bd); 1698 *(int*)data = ct_get_lq (c); 1699 CT_UNLOCK (bd); 1700 splx (s); 1701 return 0; 1702 1703 case TIOCSDTR: /* Set DTR */ 1704 s = splimp (); 1705 CT_LOCK (bd); 1706 ct_set_dtr (c, 1); 1707 CT_UNLOCK (bd); 1708 splx (s); 1709 return 0; 1710 1711 case TIOCCDTR: /* Clear DTR */ 1712 s = splimp (); 1713 CT_LOCK (bd); 1714 ct_set_dtr (c, 0); 1715 CT_UNLOCK (bd); 1716 splx (s); 1717 return 0; 1718 1719 case TIOCMSET: /* Set DTR/RTS */ 1720 s = splimp (); 1721 CT_LOCK (bd); 1722 ct_set_dtr (c, (*(int*)data & TIOCM_DTR) ? 1 : 0); 1723 ct_set_rts (c, (*(int*)data & TIOCM_RTS) ? 1 : 0); 1724 CT_UNLOCK (bd); 1725 splx (s); 1726 return 0; 1727 1728 case TIOCMBIS: /* Add DTR/RTS */ 1729 s = splimp (); 1730 CT_LOCK (bd); 1731 if (*(int*)data & TIOCM_DTR) ct_set_dtr (c, 1); 1732 if (*(int*)data & TIOCM_RTS) ct_set_rts (c, 1); 1733 CT_UNLOCK (bd); 1734 splx (s); 1735 return 0; 1736 1737 case TIOCMBIC: /* Clear DTR/RTS */ 1738 s = splimp (); 1739 CT_LOCK (bd); 1740 if (*(int*)data & TIOCM_DTR) ct_set_dtr (c, 0); 1741 if (*(int*)data & TIOCM_RTS) ct_set_rts (c, 0); 1742 CT_UNLOCK (bd); 1743 splx (s); 1744 return 0; 1745 1746 case TIOCMGET: /* Get modem status */ 1747 *(int*)data = ct_modem_status (c); 1748 return 0; 1749 } 1750 return ENOTTY; 1751} 1752 1753#ifdef NETGRAPH 1754static int ng_ct_constructor (node_p node) 1755{ 1756 drv_t *d = NG_NODE_PRIVATE (node); 1757 CT_DEBUG (d, ("Constructor\n")); 1758 return EINVAL; 1759} 1760 1761static int ng_ct_newhook (node_p node, hook_p hook, const char *name) 1762{ 1763 int s; 1764 drv_t *d = NG_NODE_PRIVATE (node); 1765 1766 if (!d) 1767 return EINVAL; 1768 1769 bdrv_t *bd = d->bd; 1770 1771 /* Attach debug hook */ 1772 if (strcmp (name, NG_CT_HOOK_DEBUG) == 0) { 1773 NG_HOOK_SET_PRIVATE (hook, NULL); 1774 d->debug_hook = hook; 1775 return 0; 1776 } 1777 1778 /* Check for raw hook */ 1779 if (strcmp (name, NG_CT_HOOK_RAW) != 0) 1780 return EINVAL; 1781 1782 NG_HOOK_SET_PRIVATE (hook, d); 1783 d->hook = hook; 1784 s = splimp (); 1785 CT_LOCK (bd); 1786 ct_up (d); 1787 CT_UNLOCK (bd); 1788 splx (s); 1789 return 0; 1790} 1791 1792static char *format_timeslots (u_long s) 1793{ 1794 static char buf [100]; 1795 char *p = buf; 1796 int i; 1797 1798 for (i=1; i<32; ++i) 1799 if ((s >> i) & 1) { 1800 int prev = (i > 1) & (s >> (i-1)); 1801 int next = (i < 31) & (s >> (i+1)); 1802 1803 if (prev) { 1804 if (next) 1805 continue; 1806 *p++ = '-'; 1807 } else if (p > buf) 1808 *p++ = ','; 1809 1810 if (i >= 10) 1811 *p++ = '0' + i / 10; 1812 *p++ = '0' + i % 10; 1813 } 1814 *p = 0; 1815 return buf; 1816} 1817 1818static int print_modems (char *s, ct_chan_t *c, int need_header) 1819{ 1820 int status = ct_modem_status (c); 1821 int length = 0; 1822 1823 if (need_header) 1824 length += sprintf (s + length, " LE DTR DSR RTS CTS CD\n"); 1825 length += sprintf (s + length, "%4s %4s %4s %4s %4s %4s\n", 1826 status & TIOCM_LE ? "On" : "-", 1827 status & TIOCM_DTR ? "On" : "-", 1828 status & TIOCM_DSR ? "On" : "-", 1829 status & TIOCM_RTS ? "On" : "-", 1830 status & TIOCM_CTS ? "On" : "-", 1831 status & TIOCM_CD ? "On" : "-"); 1832 return length; 1833} 1834 1835static int print_stats (char *s, ct_chan_t *c, int need_header) 1836{ 1837 struct serial_statistics st; 1838 int length = 0; 1839 1840 st.rintr = c->rintr; 1841 st.tintr = c->tintr; 1842 st.mintr = c->mintr; 1843 st.ibytes = c->ibytes; 1844 st.ipkts = c->ipkts; 1845 st.ierrs = c->ierrs; 1846 st.obytes = c->obytes; 1847 st.opkts = c->opkts; 1848 st.oerrs = c->oerrs; 1849 if (need_header) 1850 length += sprintf (s + length, " Rintr Tintr Mintr Ibytes Ipkts Ierrs Obytes Opkts Oerrs\n"); 1851 length += sprintf (s + length, "%7ld %7ld %7ld %8ld %7ld %7ld %8ld %7ld %7ld\n", 1852 st.rintr, st.tintr, st.mintr, st.ibytes, st.ipkts, 1853 st.ierrs, st.obytes, st.opkts, st.oerrs); 1854 return length; 1855} 1856 1857static char *format_e1_status (u_char status) 1858{ 1859 static char buf [80]; 1860 1861 if (status & E1_NOALARM) 1862 return "Ok"; 1863 buf[0] = 0; 1864 if (status & E1_LOS) strcat (buf, ",LOS"); 1865 if (status & E1_AIS) strcat (buf, ",AIS"); 1866 if (status & E1_LOF) strcat (buf, ",LOF"); 1867 if (status & E1_LOMF) strcat (buf, ",LOMF"); 1868 if (status & E1_FARLOF) strcat (buf, ",FARLOF"); 1869 if (status & E1_AIS16) strcat (buf, ",AIS16"); 1870 if (status & E1_FARLOMF) strcat (buf, ",FARLOMF"); 1871 if (status & E1_TSTREQ) strcat (buf, ",TSTREQ"); 1872 if (status & E1_TSTERR) strcat (buf, ",TSTERR"); 1873 if (buf[0] == ',') 1874 return buf+1; 1875 return "Unknown"; 1876} 1877 1878static int print_frac (char *s, int leftalign, u_long numerator, u_long divider) 1879{ 1880 int n, length = 0; 1881 1882 if (numerator < 1 || divider < 1) { 1883 length += sprintf (s+length, leftalign ? "/- " : " -"); 1884 return length; 1885 } 1886 n = (int) (0.5 + 1000.0 * numerator / divider); 1887 if (n < 1000) { 1888 length += sprintf (s+length, leftalign ? "/.%-3d" : " .%03d", n); 1889 return length; 1890 } 1891 *(s + length) = leftalign ? '/' : ' '; 1892 length ++; 1893 1894 if (n >= 1000000) n = (n+500) / 1000 * 1000; 1895 else if (n >= 100000) n = (n+50) / 100 * 100; 1896 else if (n >= 10000) n = (n+5) / 10 * 10; 1897 1898 switch (n) { 1899 case 1000: length += printf (s+length, ".999"); return length; 1900 case 10000: n = 9990; break; 1901 case 100000: n = 99900; break; 1902 case 1000000: n = 999000; break; 1903 } 1904 if (n < 10000) length += sprintf (s+length, "%d.%d", n/1000, n/10%100); 1905 else if (n < 100000) length += sprintf (s+length, "%d.%d", n/1000, n/100%10); 1906 else if (n < 1000000) length += sprintf (s+length, "%d.", n/1000); 1907 else length += sprintf (s+length, "%d", n/1000); 1908 1909 return length; 1910} 1911 1912static int print_e1_stats (char *s, ct_chan_t *c) 1913{ 1914 struct e1_counters total; 1915 u_long totsec; 1916 int length = 0; 1917 1918 totsec = c->totsec + c->cursec; 1919 total.bpv = c->total.bpv + c->currnt.bpv; 1920 total.fse = c->total.fse + c->currnt.fse; 1921 total.crce = c->total.crce + c->currnt.crce; 1922 total.rcrce = c->total.rcrce + c->currnt.rcrce; 1923 total.uas = c->total.uas + c->currnt.uas; 1924 total.les = c->total.les + c->currnt.les; 1925 total.es = c->total.es + c->currnt.es; 1926 total.bes = c->total.bes + c->currnt.bes; 1927 total.ses = c->total.ses + c->currnt.ses; 1928 total.oofs = c->total.oofs + c->currnt.oofs; 1929 total.css = c->total.css + c->currnt.css; 1930 total.dm = c->total.dm + c->currnt.dm; 1931 1932 length += sprintf (s + length, " Unav/Degr Bpv/Fsyn CRC/RCRC Err/Lerr Sev/Bur Oof/Slp Status\n"); 1933 1934 /* Unavailable seconds, degraded minutes */ 1935 length += print_frac (s + length, 0, c->currnt.uas, c->cursec); 1936 length += print_frac (s + length, 1, 60 * c->currnt.dm, c->cursec); 1937 1938 /* Bipolar violations, frame sync errors */ 1939 length += print_frac (s + length, 0, c->currnt.bpv, c->cursec); 1940 length += print_frac (s + length, 1, c->currnt.fse, c->cursec); 1941 1942 /* CRC errors, remote CRC errors (E-bit) */ 1943 length += print_frac (s + length, 0, c->currnt.crce, c->cursec); 1944 length += print_frac (s + length, 1, c->currnt.rcrce, c->cursec); 1945 1946 /* Errored seconds, line errored seconds */ 1947 length += print_frac (s + length, 0, c->currnt.es, c->cursec); 1948 length += print_frac (s + length, 1, c->currnt.les, c->cursec); 1949 1950 /* Severely errored seconds, burst errored seconds */ 1951 length += print_frac (s + length, 0, c->currnt.ses, c->cursec); 1952 length += print_frac (s + length, 1, c->currnt.bes, c->cursec); 1953 1954 /* Out of frame seconds, controlled slip seconds */ 1955 length += print_frac (s + length, 0, c->currnt.oofs, c->cursec); 1956 length += print_frac (s + length, 1, c->currnt.css, c->cursec); 1957 1958 length += sprintf (s + length, " %s\n", format_e1_status (c->status)); 1959 1960 /* Print total statistics. */ 1961 length += print_frac (s + length, 0, total.uas, totsec); 1962 length += print_frac (s + length, 1, 60 * total.dm, totsec); 1963 1964 length += print_frac (s + length, 0, total.bpv, totsec); 1965 length += print_frac (s + length, 1, total.fse, totsec); 1966 1967 length += print_frac (s + length, 0, total.crce, totsec); 1968 length += print_frac (s + length, 1, total.rcrce, totsec); 1969 1970 length += print_frac (s + length, 0, total.es, totsec); 1971 length += print_frac (s + length, 1, total.les, totsec); 1972 1973 length += print_frac (s + length, 0, total.ses, totsec); 1974 length += print_frac (s + length, 1, total.bes, totsec); 1975 1976 length += print_frac (s + length, 0, total.oofs, totsec); 1977 length += print_frac (s + length, 1, total.css, totsec); 1978 1979 length += sprintf (s + length, " -- Total\n"); 1980 return length; 1981} 1982 1983static int print_chan (char *s, ct_chan_t *c) 1984{ 1985 drv_t *d = c->sys; 1986 bdrv_t *bd = d->bd; 1987 int length = 0; 1988 1989 length += sprintf (s + length, "ct%d", c->board->num * NCHAN + c->num); 1990 if (d->chan->debug) 1991 length += sprintf (s + length, " debug=%d", d->chan->debug); 1992 1993 switch (ct_get_config (c->board)) { 1994 case CFG_A: length += sprintf (s + length, " cfg=A"); break; 1995 case CFG_B: length += sprintf (s + length, " cfg=B"); break; 1996 case CFG_C: length += sprintf (s + length, " cfg=C"); break; 1997 default: length += sprintf (s + length, " cfg=unknown"); break; 1998 } 1999 2000 if (ct_get_baud (c)) 2001 length += sprintf (s + length, " %ld", ct_get_baud (c)); 2002 else 2003 length += sprintf (s + length, " extclock"); 2004 2005 if (c->mode == M_E1 || c->mode == M_G703) 2006 switch (ct_get_clk(c)) { 2007 case GCLK_INT : length += sprintf (s + length, " syn=int"); break; 2008 case GCLK_RCV : length += sprintf (s + length, " syn=rcv"); break; 2009 case GCLK_RCLKO : length += sprintf (s + length, " syn=xrcv"); break; 2010 } 2011 if (c->mode == M_HDLC) { 2012 length += sprintf (s + length, " dpll=%s", ct_get_dpll (c) ? "on" : "off"); 2013 length += sprintf (s + length, " nrzi=%s", ct_get_nrzi (c) ? "on" : "off"); 2014 length += sprintf (s + length, " invtclk=%s", ct_get_invtxc (c) ? "on" : "off"); 2015 length += sprintf (s + length, " invrclk=%s", ct_get_invrxc (c) ? "on" : "off"); 2016 } 2017 if (c->mode == M_E1) 2018 length += sprintf (s + length, " higain=%s", ct_get_higain (c)? "on" : "off"); 2019 2020 length += sprintf (s + length, " loop=%s", ct_get_loop (c) ? "on" : "off"); 2021 2022 if (c->mode == M_E1) 2023 length += sprintf (s + length, " ts=%s", format_timeslots (ct_get_ts(c))); 2024 if (c->mode == M_E1 && ct_get_config (c->board) != CFG_A) 2025 length += sprintf (s + length, " pass=%s", format_timeslots (ct_get_subchan(c->board))); 2026 if (c->mode == M_G703) { 2027 int lq, x; 2028 2029 x = splimp (); 2030 CT_LOCK (bd); 2031 lq = ct_get_lq (c); 2032 CT_UNLOCK (bd); 2033 splx (x); 2034 length += sprintf (s + length, " (level=-%.1fdB)", lq / 10.0); 2035 } 2036 length += sprintf (s + length, "\n"); 2037 return length; 2038} 2039 2040static int ng_ct_rcvmsg (node_p node, item_p item, hook_p lasthook) 2041{ 2042 drv_t *d = NG_NODE_PRIVATE (node); 2043 struct ng_mesg *msg; 2044 struct ng_mesg *resp = NULL; 2045 int error = 0; 2046 2047 if (!d) 2048 return EINVAL; 2049 2050 CT_DEBUG (d, ("Rcvmsg\n")); 2051 NGI_GET_MSG (item, msg); 2052 switch (msg->header.typecookie) { 2053 default: 2054 error = EINVAL; 2055 break; 2056 2057 case NGM_CT_COOKIE: 2058 printf ("Don't forget to implement\n"); 2059 error = EINVAL; 2060 break; 2061 2062 case NGM_GENERIC_COOKIE: 2063 switch (msg->header.cmd) { 2064 default: 2065 error = EINVAL; 2066 break; 2067 2068 case NGM_TEXT_STATUS: { 2069 char *s; 2070 int l = 0; 2071 int dl = sizeof (struct ng_mesg) + 730; 2072 2073 NG_MKRESPONSE (resp, msg, dl, M_NOWAIT); 2074 if (! resp) { 2075 error = ENOMEM; 2076 break; 2077 } 2078 s = (resp)->data; 2079 l += print_chan (s + l, d->chan); 2080 l += print_stats (s + l, d->chan, 1); 2081 l += print_modems (s + l, d->chan, 1); 2082 l += print_e1_stats (s + l, d->chan); 2083 strncpy ((resp)->header.cmdstr, "status", NG_CMDSTRLEN); 2084 } 2085 break; 2086 } 2087 break; 2088 } 2089 NG_RESPOND_MSG (error, node, item, resp); 2090 NG_FREE_MSG (msg); 2091 return error; 2092} 2093 2094static int ng_ct_rcvdata (hook_p hook, item_p item) 2095{ 2096 drv_t *d = NG_NODE_PRIVATE (NG_HOOK_NODE(hook)); 2097 struct mbuf *m; 2098 struct ng_tag_prio *ptag; 2099 bdrv_t *bd; 2100 struct ifqueue *q; 2101 int s; 2102 2103 if (!d) 2104 return ENETDOWN; 2105 2106 bd = d->bd; 2107 NGI_GET_M (item, m); 2108 NG_FREE_ITEM (item); 2109 if (! NG_HOOK_PRIVATE (hook) || ! d) { 2110 NG_FREE_M (m); 2111 return ENETDOWN; 2112 } 2113 2114 /* Check for high priority data */ 2115 if ((ptag = (struct ng_tag_prio *)m_tag_locate(m, NGM_GENERIC_COOKIE, 2116 NG_TAG_PRIO, NULL)) != NULL && (ptag->priority > NG_PRIO_CUTOFF) ) 2117 q = &d->hi_queue; 2118 else 2119 q = &d->queue; 2120 2121 s = splimp (); 2122 CT_LOCK (bd); 2123 IF_LOCK (q); 2124 if (_IF_QFULL (q)) { 2125 _IF_DROP (q); 2126 IF_UNLOCK (q); 2127 CT_UNLOCK (bd); 2128 splx (s); 2129 NG_FREE_M (m); 2130 return ENOBUFS; 2131 } 2132 _IF_ENQUEUE (q, m); 2133 IF_UNLOCK (q); 2134 ct_start (d); 2135 CT_UNLOCK (bd); 2136 splx (s); 2137 return 0; 2138} 2139 2140static int ng_ct_rmnode (node_p node) 2141{ 2142 drv_t *d = NG_NODE_PRIVATE (node); 2143 bdrv_t *bd; 2144 2145 CT_DEBUG (d, ("Rmnode\n")); 2146 if (d && d->running) { 2147 bd = d->bd; 2148 int s = splimp (); 2149 CT_LOCK (bd); 2150 ct_down (d); 2151 CT_UNLOCK (bd); 2152 splx (s); 2153 } 2154#ifdef KLD_MODULE 2155 if (node->nd_flags & NGF_REALLY_DIE) { 2156 NG_NODE_SET_PRIVATE (node, NULL); 2157 NG_NODE_UNREF (node); 2158 } 2159 NG_NODE_REVIVE(node); /* Persistant node */ 2160#endif 2161 return 0; 2162} 2163 2164static void ng_ct_watchdog (void *arg) 2165{ 2166 drv_t *d = arg; 2167 2168 if (!d) 2169 return; 2170 2171 if (d->timeout == 1) 2172 ct_watchdog (d); 2173 if (d->timeout) 2174 d->timeout--; 2175 callout_reset (&d->timeout_handle, hz, ng_ct_watchdog, d); 2176} 2177 2178static int ng_ct_connect (hook_p hook) 2179{ 2180 drv_t *d = NG_NODE_PRIVATE (NG_HOOK_NODE (hook)); 2181 2182 if (!d) 2183 return 0; 2184 2185 callout_reset (&d->timeout_handle, hz, ng_ct_watchdog, d); 2186 return 0; 2187} 2188 2189static int ng_ct_disconnect (hook_p hook) 2190{ 2191 drv_t *d = NG_NODE_PRIVATE (NG_HOOK_NODE (hook)); 2192 bdrv_t *bd; 2193 2194 if (!d) 2195 return 0; 2196 2197 bd = d->bd; 2198 2199 CT_LOCK (bd); 2200 if (NG_HOOK_PRIVATE (hook)) 2201 ct_down (d); 2202 CT_UNLOCK (bd); 2203 /* If we were wait it than it reasserted now, just stop it. */ 2204 if (!callout_drain (&d->timeout_handle)) 2205 callout_stop (&d->timeout_handle); 2206 return 0; 2207} 2208#endif 2209 2210static int ct_modevent (module_t mod, int type, void *unused) 2211{ 2212 static int load_count = 0; 2213 2214 if (!debug_mpsafenet && ct_mpsafenet) { 2215 printf ("WORNING! Network stack is not MPSAFE. " 2216 "Turning off debug.ct.mpsafenet.\n"); 2217 ct_mpsafenet = 0; 2218 } 2219 if (ct_mpsafenet) 2220 ct_cdevsw.d_flags &= ~D_NEEDGIANT; 2221 2222 switch (type) { 2223 case MOD_LOAD: 2224#ifdef NETGRAPH 2225 if (ng_newtype (&typestruct)) 2226 printf ("Failed to register ng_ct\n"); 2227#endif 2228 ++load_count; 2229 callout_init (&timeout_handle, ct_mpsafenet?CALLOUT_MPSAFE:0); 2230 callout_reset (&timeout_handle, hz*5, ct_timeout, 0); 2231 break; 2232 case MOD_UNLOAD: 2233 if (load_count == 1) { 2234 printf ("Removing device entry for Tau-ISA\n"); 2235#ifdef NETGRAPH 2236 ng_rmtype (&typestruct); 2237#endif 2238 } 2239 /* If we were wait it than it reasserted now, just stop it. */ 2240 if (!callout_drain (&timeout_handle)) 2241 callout_stop (&timeout_handle); 2242 --load_count; 2243 break; 2244 case MOD_SHUTDOWN: 2245 break; 2246 } 2247 return 0; 2248} 2249 2250#ifdef NETGRAPH 2251static struct ng_type typestruct = { 2252 .version = NG_ABI_VERSION, 2253 .name = NG_CT_NODE_TYPE, 2254 .constructor = ng_ct_constructor, 2255 .rcvmsg = ng_ct_rcvmsg, 2256 .shutdown = ng_ct_rmnode, 2257 .newhook = ng_ct_newhook, 2258 .connect = ng_ct_connect, 2259 .rcvdata = ng_ct_rcvdata, 2260 .disconnect = ng_ct_disconnect, 2261}; 2262#endif /*NETGRAPH*/ 2263 2264#ifdef NETGRAPH 2265MODULE_DEPEND (ng_ct, netgraph, NG_ABI_VERSION, NG_ABI_VERSION, NG_ABI_VERSION); 2266#else 2267MODULE_DEPEND (ct, sppp, 1, 1, 1); 2268#endif 2269DRIVER_MODULE (ct, isa, ct_isa_driver, ct_devclass, ct_modevent, NULL); 2270MODULE_VERSION (ct, 1); 2271