if_cp.c revision 276750
1/*- 2 * Cronyx-Tau-PCI adapter driver for FreeBSD. 3 * Supports PPP/HDLC, Cisco/HDLC and FrameRelay protocol in synchronous mode, 4 * and asynchronous channels with full modem control. 5 * Keepalive protocol implemented in both Cisco and PPP modes. 6 * 7 * Copyright (C) 1999-2004 Cronyx Engineering. 8 * Author: Kurakin Roman, <rik@cronyx.ru> 9 * 10 * Copyright (C) 1999-2002 Cronyx Engineering. 11 * Author: Serge Vakulenko, <vak@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_cp.c,v 1.1.2.41 2004/06/23 17:09:13 rik Exp $ 22 */ 23 24#include <sys/cdefs.h> 25__FBSDID("$FreeBSD: head/sys/dev/cp/if_cp.c 276750 2015-01-06 12:59:37Z rwatson $"); 26 27#include <sys/param.h> 28#include <sys/ucred.h> 29#include <sys/proc.h> 30#include <sys/systm.h> 31#include <sys/mbuf.h> 32#include <sys/kernel.h> 33#include <sys/module.h> 34#include <sys/conf.h> 35#include <sys/malloc.h> 36#include <sys/priv.h> 37#include <sys/socket.h> 38#include <sys/sockio.h> 39#include <sys/sysctl.h> 40#include <sys/tty.h> 41#include <sys/bus.h> 42#include <vm/vm.h> 43#include <vm/pmap.h> 44#include <net/if.h> 45#include <net/if_var.h> 46#include <dev/pci/pcivar.h> 47#include <dev/pci/pcireg.h> 48#include <machine/bus.h> 49#include <sys/rman.h> 50#include "opt_ng_cronyx.h" 51#ifdef NETGRAPH_CRONYX 52# include "opt_netgraph.h" 53# ifndef NETGRAPH 54# error #option NETGRAPH missed from configuration 55# endif 56# include <netgraph/ng_message.h> 57# include <netgraph/netgraph.h> 58# include <dev/cp/ng_cp.h> 59#else 60# include <net/if_sppp.h> 61# include <net/if_types.h> 62#include <dev/pci/pcivar.h> 63# define PP_CISCO IFF_LINK2 64# include <net/bpf.h> 65#endif 66#include <dev/cx/machdep.h> 67#include <dev/cp/cpddk.h> 68#include <machine/cserial.h> 69#include <machine/resource.h> 70#include <machine/pmap.h> 71 72/* If we don't have Cronyx's sppp version, we don't have fr support via sppp */ 73#ifndef PP_FR 74#define PP_FR 0 75#endif 76 77#define CP_DEBUG(d,s) ({if (d->chan->debug) {\ 78 printf ("%s: ", d->name); printf s;}}) 79#define CP_DEBUG2(d,s) ({if (d->chan->debug>1) {\ 80 printf ("%s: ", d->name); printf s;}}) 81#define CP_LOCK_NAME "cpX" 82 83#define CP_LOCK(_bd) mtx_lock (&(_bd)->cp_mtx) 84#define CP_UNLOCK(_bd) mtx_unlock (&(_bd)->cp_mtx) 85#define CP_LOCK_ASSERT(_bd) mtx_assert (&(_bd)->cp_mtx, MA_OWNED) 86 87static int cp_probe __P((device_t)); 88static int cp_attach __P((device_t)); 89static int cp_detach __P((device_t)); 90 91static device_method_t cp_methods[] = { 92 /* Device interface */ 93 DEVMETHOD(device_probe, cp_probe), 94 DEVMETHOD(device_attach, cp_attach), 95 DEVMETHOD(device_detach, cp_detach), 96 97 DEVMETHOD_END 98}; 99 100typedef struct _cp_dma_mem_t { 101 unsigned long phys; 102 void *virt; 103 size_t size; 104 bus_dma_tag_t dmat; 105 bus_dmamap_t mapp; 106} cp_dma_mem_t; 107 108typedef struct _drv_t { 109 char name [8]; 110 int running; 111 cp_chan_t *chan; 112 cp_board_t *board; 113 cp_dma_mem_t dmamem; 114#ifdef NETGRAPH 115 char nodename [NG_NODESIZE]; 116 hook_p hook; 117 hook_p debug_hook; 118 node_p node; 119 struct ifqueue queue; 120 struct ifqueue hi_queue; 121#else 122 struct ifqueue queue; 123 struct ifnet *ifp; 124#endif 125 short timeout; 126 struct callout timeout_handle; 127 struct cdev *devt; 128} drv_t; 129 130typedef struct _bdrv_t { 131 cp_board_t *board; 132 struct resource *cp_res; 133 struct resource *cp_irq; 134 void *cp_intrhand; 135 cp_dma_mem_t dmamem; 136 drv_t channel [NCHAN]; 137 struct mtx cp_mtx; 138} bdrv_t; 139 140static driver_t cp_driver = { 141 "cp", 142 cp_methods, 143 sizeof(bdrv_t), 144}; 145 146static devclass_t cp_devclass; 147 148static void cp_receive (cp_chan_t *c, unsigned char *data, int len); 149static void cp_transmit (cp_chan_t *c, void *attachment, int len); 150static void cp_error (cp_chan_t *c, int data); 151static void cp_up (drv_t *d); 152static void cp_start (drv_t *d); 153static void cp_down (drv_t *d); 154static void cp_watchdog (drv_t *d); 155static void cp_watchdog_timer (void *arg); 156#ifdef NETGRAPH 157extern struct ng_type typestruct; 158#else 159static void cp_ifstart (struct ifnet *ifp); 160static void cp_tlf (struct sppp *sp); 161static void cp_tls (struct sppp *sp); 162static int cp_sioctl (struct ifnet *ifp, u_long cmd, caddr_t data); 163static void cp_initialize (void *softc); 164#endif 165 166static cp_board_t *adapter [NBRD]; 167static drv_t *channel [NBRD*NCHAN]; 168static struct callout led_timo [NBRD]; 169static struct callout timeout_handle; 170 171static int cp_destroy = 0; 172 173static int cp_open (struct cdev *dev, int oflags, int devtype, struct thread *td); 174static int cp_close (struct cdev *dev, int fflag, int devtype, struct thread *td); 175static int cp_ioctl (struct cdev *dev, u_long cmd, caddr_t data, int flag, struct thread *td); 176static struct cdevsw cp_cdevsw = { 177 .d_version = D_VERSION, 178 .d_open = cp_open, 179 .d_close = cp_close, 180 .d_ioctl = cp_ioctl, 181 .d_name = "cp", 182}; 183 184/* 185 * Make an mbuf from data. 186 */ 187static struct mbuf *makembuf (void *buf, unsigned len) 188{ 189 struct mbuf *m; 190 191 MGETHDR (m, M_NOWAIT, MT_DATA); 192 if (! m) 193 return 0; 194 if (!(MCLGET (m, M_NOWAIT))) { 195 m_freem (m); 196 return 0; 197 } 198 m->m_pkthdr.len = m->m_len = len; 199 bcopy (buf, mtod (m, caddr_t), len); 200 return m; 201} 202 203static int cp_probe (device_t dev) 204{ 205 if ((pci_get_vendor (dev) == cp_vendor_id) && 206 (pci_get_device (dev) == cp_device_id)) { 207 device_set_desc (dev, "Cronyx-Tau-PCI serial adapter"); 208 return BUS_PROBE_DEFAULT; 209 } 210 return ENXIO; 211} 212 213static void cp_timeout (void *arg) 214{ 215 drv_t *d; 216 int s, i, k; 217 218 for (i = 0; i < NBRD; ++i) { 219 if (adapter[i] == NULL) 220 continue; 221 for (k = 0; k < NCHAN; ++k) { 222 s = splimp (); 223 if (cp_destroy) { 224 splx (s); 225 return; 226 } 227 d = channel[i * NCHAN + k]; 228 if (!d) { 229 splx (s); 230 continue; 231 } 232 CP_LOCK ((bdrv_t *)d->board->sys); 233 switch (d->chan->type) { 234 case T_G703: 235 cp_g703_timer (d->chan); 236 break; 237 case T_E1: 238 cp_e1_timer (d->chan); 239 break; 240 case T_E3: 241 case T_T3: 242 case T_STS1: 243 cp_e3_timer (d->chan); 244 break; 245 default: 246 break; 247 } 248 CP_UNLOCK ((bdrv_t *)d->board->sys); 249 splx (s); 250 } 251 } 252 s = splimp (); 253 if (!cp_destroy) 254 callout_reset (&timeout_handle, hz, cp_timeout, 0); 255 splx (s); 256} 257 258static void cp_led_off (void *arg) 259{ 260 cp_board_t *b = arg; 261 bdrv_t *bd = (bdrv_t *) b->sys; 262 int s; 263 s = splimp (); 264 if (cp_destroy) { 265 splx (s); 266 return; 267 } 268 CP_LOCK (bd); 269 cp_led (b, 0); 270 CP_UNLOCK (bd); 271 splx (s); 272} 273 274static void cp_intr (void *arg) 275{ 276 bdrv_t *bd = arg; 277 cp_board_t *b = bd->board; 278#ifndef NETGRAPH 279 int i; 280#endif 281 int s = splimp (); 282 if (cp_destroy) { 283 splx (s); 284 return; 285 } 286 CP_LOCK (bd); 287 /* Check if we are ready */ 288 if (b->sys == NULL) { 289 /* Not we are not, just cleanup. */ 290 cp_interrupt_poll (b, 1); 291 CP_UNLOCK (bd); 292 return; 293 } 294 /* Turn LED on. */ 295 cp_led (b, 1); 296 297 cp_interrupt (b); 298 299 /* Turn LED off 50 msec later. */ 300 callout_reset (&led_timo[b->num], hz/20, cp_led_off, b); 301 CP_UNLOCK (bd); 302 splx (s); 303 304#ifndef NETGRAPH 305 /* Pass packets in a lock-free state */ 306 for (i = 0; i < NCHAN && b->chan[i].type; i++) { 307 drv_t *d = b->chan[i].sys; 308 struct mbuf *m; 309 if (!d || !d->running) 310 continue; 311 while (_IF_QLEN(&d->queue)) { 312 IF_DEQUEUE (&d->queue,m); 313 if (!m) 314 continue; 315 sppp_input (d->ifp, m); 316 } 317 } 318#endif 319} 320 321static void 322cp_bus_dmamap_addr (void *arg, bus_dma_segment_t *segs, int nseg, int error) 323{ 324 unsigned long *addr; 325 326 if (error) 327 return; 328 329 KASSERT(nseg == 1, ("too many DMA segments, %d should be 1", nseg)); 330 addr = arg; 331 *addr = segs->ds_addr; 332} 333 334static int 335cp_bus_dma_mem_alloc (int bnum, int cnum, cp_dma_mem_t *dmem) 336{ 337 int error; 338 339 error = bus_dma_tag_create (NULL, 16, 0, BUS_SPACE_MAXADDR_32BIT, 340 BUS_SPACE_MAXADDR, NULL, NULL, dmem->size, 1, 341 dmem->size, 0, NULL, NULL, &dmem->dmat); 342 if (error) { 343 if (cnum >= 0) printf ("cp%d-%d: ", bnum, cnum); 344 else printf ("cp%d: ", bnum); 345 printf ("couldn't allocate tag for dma memory\n"); 346 return 0; 347 } 348 error = bus_dmamem_alloc (dmem->dmat, (void **)&dmem->virt, 349 BUS_DMA_NOWAIT | BUS_DMA_ZERO, &dmem->mapp); 350 if (error) { 351 if (cnum >= 0) printf ("cp%d-%d: ", bnum, cnum); 352 else printf ("cp%d: ", bnum); 353 printf ("couldn't allocate mem for dma memory\n"); 354 bus_dma_tag_destroy (dmem->dmat); 355 return 0; 356 } 357 error = bus_dmamap_load (dmem->dmat, dmem->mapp, dmem->virt, 358 dmem->size, cp_bus_dmamap_addr, &dmem->phys, 0); 359 if (error) { 360 if (cnum >= 0) printf ("cp%d-%d: ", bnum, cnum); 361 else printf ("cp%d: ", bnum); 362 printf ("couldn't load mem map for dma memory\n"); 363 bus_dmamem_free (dmem->dmat, dmem->virt, dmem->mapp); 364 bus_dma_tag_destroy (dmem->dmat); 365 return 0; 366 } 367 return 1; 368} 369 370static void 371cp_bus_dma_mem_free (cp_dma_mem_t *dmem) 372{ 373 bus_dmamap_unload (dmem->dmat, dmem->mapp); 374 bus_dmamem_free (dmem->dmat, dmem->virt, dmem->mapp); 375 bus_dma_tag_destroy (dmem->dmat); 376} 377 378/* 379 * Called if the probe succeeded. 380 */ 381static int cp_attach (device_t dev) 382{ 383 bdrv_t *bd = device_get_softc (dev); 384 int unit = device_get_unit (dev); 385 char *cp_ln = CP_LOCK_NAME; 386 unsigned short res; 387 vm_offset_t vbase; 388 int rid, error; 389 cp_board_t *b; 390 cp_chan_t *c; 391 drv_t *d; 392 int s = splimp (); 393 394 b = malloc (sizeof(cp_board_t), M_DEVBUF, M_WAITOK); 395 if (!b) { 396 printf ("cp%d: couldn't allocate memory\n", unit); 397 splx (s); 398 return (ENXIO); 399 } 400 bzero (b, sizeof(cp_board_t)); 401 402 bd->board = b; 403 rid = PCIR_BAR(0); 404 bd->cp_res = bus_alloc_resource (dev, SYS_RES_MEMORY, &rid, 405 0, ~0, 1, RF_ACTIVE); 406 if (! bd->cp_res) { 407 printf ("cp%d: cannot map memory\n", unit); 408 free (b, M_DEVBUF); 409 splx (s); 410 return (ENXIO); 411 } 412 vbase = (vm_offset_t) rman_get_virtual (bd->cp_res); 413 414 cp_ln[2] = '0' + unit; 415 mtx_init (&bd->cp_mtx, cp_ln, MTX_NETWORK_LOCK, MTX_DEF|MTX_RECURSE); 416 res = cp_init (b, unit, (u_char*) vbase); 417 if (res) { 418 printf ("cp%d: can't init, error code:%x\n", unit, res); 419 bus_release_resource (dev, SYS_RES_MEMORY, PCIR_BAR(0), bd->cp_res); 420 free (b, M_DEVBUF); 421 splx (s); 422 return (ENXIO); 423 } 424 425 bd->dmamem.size = sizeof(cp_qbuf_t); 426 if (! cp_bus_dma_mem_alloc (unit, -1, &bd->dmamem)) { 427 free (b, M_DEVBUF); 428 splx (s); 429 return (ENXIO); 430 } 431 CP_LOCK (bd); 432 cp_reset (b, bd->dmamem.virt, bd->dmamem.phys); 433 CP_UNLOCK (bd); 434 435 rid = 0; 436 bd->cp_irq = bus_alloc_resource (dev, SYS_RES_IRQ, &rid, 0, ~0, 1, 437 RF_SHAREABLE | RF_ACTIVE); 438 if (! bd->cp_irq) { 439 cp_destroy = 1; 440 printf ("cp%d: cannot map interrupt\n", unit); 441 bus_release_resource (dev, SYS_RES_MEMORY, 442 PCIR_BAR(0), bd->cp_res); 443 mtx_destroy (&bd->cp_mtx); 444 free (b, M_DEVBUF); 445 splx (s); 446 return (ENXIO); 447 } 448 callout_init (&led_timo[unit], CALLOUT_MPSAFE); 449 error = bus_setup_intr (dev, bd->cp_irq, 450 INTR_TYPE_NET|INTR_MPSAFE, 451 NULL, cp_intr, bd, &bd->cp_intrhand); 452 if (error) { 453 cp_destroy = 1; 454 printf ("cp%d: cannot set up irq\n", unit); 455 bus_release_resource (dev, SYS_RES_IRQ, 0, bd->cp_irq); 456 bus_release_resource (dev, SYS_RES_MEMORY, 457 PCIR_BAR(0), bd->cp_res); 458 mtx_destroy (&bd->cp_mtx); 459 free (b, M_DEVBUF); 460 splx (s); 461 return (ENXIO); 462 } 463 printf ("cp%d: %s, clock %ld MHz\n", unit, b->name, b->osc / 1000000); 464 465 for (c = b->chan; c < b->chan + NCHAN; ++c) { 466 if (! c->type) 467 continue; 468 d = &bd->channel[c->num]; 469 d->dmamem.size = sizeof(cp_buf_t); 470 if (! cp_bus_dma_mem_alloc (unit, c->num, &d->dmamem)) 471 continue; 472 channel [b->num*NCHAN + c->num] = d; 473 sprintf (d->name, "cp%d.%d", b->num, c->num); 474 d->board = b; 475 d->chan = c; 476 c->sys = d; 477 callout_init (&d->timeout_handle, CALLOUT_MPSAFE); 478#ifdef NETGRAPH 479 if (ng_make_node_common (&typestruct, &d->node) != 0) { 480 printf ("%s: cannot make common node\n", d->name); 481 d->node = NULL; 482 continue; 483 } 484 NG_NODE_SET_PRIVATE (d->node, d); 485 sprintf (d->nodename, "%s%d", NG_CP_NODE_TYPE, 486 c->board->num*NCHAN + c->num); 487 if (ng_name_node (d->node, d->nodename)) { 488 printf ("%s: cannot name node\n", d->nodename); 489 NG_NODE_UNREF (d->node); 490 continue; 491 } 492 d->queue.ifq_maxlen = ifqmaxlen; 493 d->hi_queue.ifq_maxlen = ifqmaxlen; 494 mtx_init (&d->queue.ifq_mtx, "cp_queue", NULL, MTX_DEF); 495 mtx_init (&d->hi_queue.ifq_mtx, "cp_queue_hi", NULL, MTX_DEF); 496#else /*NETGRAPH*/ 497 d->ifp = if_alloc(IFT_PPP); 498 if (d->ifp == NULL) { 499 printf ("%s: cannot if_alloc() interface\n", d->name); 500 continue; 501 } 502 d->ifp->if_softc = d; 503 if_initname (d->ifp, "cp", b->num * NCHAN + c->num); 504 d->ifp->if_mtu = PP_MTU; 505 d->ifp->if_flags = IFF_POINTOPOINT | IFF_MULTICAST; 506 d->ifp->if_ioctl = cp_sioctl; 507 d->ifp->if_start = cp_ifstart; 508 d->ifp->if_init = cp_initialize; 509 d->queue.ifq_maxlen = NRBUF; 510 mtx_init (&d->queue.ifq_mtx, "cp_queue", NULL, MTX_DEF); 511 sppp_attach (d->ifp); 512 if_attach (d->ifp); 513 IFP2SP(d->ifp)->pp_tlf = cp_tlf; 514 IFP2SP(d->ifp)->pp_tls = cp_tls; 515 /* If BPF is in the kernel, call the attach for it. 516 * The header size of PPP or Cisco/HDLC is 4 bytes. */ 517 bpfattach (d->ifp, DLT_PPP, 4); 518#endif /*NETGRAPH*/ 519 cp_start_e1 (c); 520 cp_start_chan (c, 1, 1, d->dmamem.virt, d->dmamem.phys); 521 522 /* Register callback functions. */ 523 cp_register_transmit (c, &cp_transmit); 524 cp_register_receive (c, &cp_receive); 525 cp_register_error (c, &cp_error); 526 d->devt = make_dev (&cp_cdevsw, b->num*NCHAN+c->num, UID_ROOT, 527 GID_WHEEL, 0600, "cp%d", b->num*NCHAN+c->num); 528 } 529 CP_LOCK (bd); 530 b->sys = bd; 531 adapter[unit] = b; 532 CP_UNLOCK (bd); 533 splx (s); 534 return 0; 535} 536 537static int cp_detach (device_t dev) 538{ 539 bdrv_t *bd = device_get_softc (dev); 540 cp_board_t *b = bd->board; 541 cp_chan_t *c; 542 int s; 543 544 KASSERT (mtx_initialized (&bd->cp_mtx), ("cp mutex not initialized")); 545 s = splimp (); 546 CP_LOCK (bd); 547 /* Check if the device is busy (open). */ 548 for (c = b->chan; c < b->chan + NCHAN; ++c) { 549 drv_t *d = (drv_t*) c->sys; 550 551 if (! d || ! d->chan->type) 552 continue; 553 if (d->running) { 554 CP_UNLOCK (bd); 555 splx (s); 556 return EBUSY; 557 } 558 } 559 560 /* Ok, we can unload driver */ 561 /* At first we should stop all channels */ 562 for (c = b->chan; c < b->chan + NCHAN; ++c) { 563 drv_t *d = (drv_t*) c->sys; 564 565 if (! d || ! d->chan->type) 566 continue; 567 568 cp_stop_chan (c); 569 cp_stop_e1 (c); 570 cp_set_dtr (d->chan, 0); 571 cp_set_rts (d->chan, 0); 572 } 573 574 /* Reset the adapter. */ 575 cp_destroy = 1; 576 cp_interrupt_poll (b, 1); 577 cp_led_off (b); 578 cp_reset (b, 0 ,0); 579 callout_stop (&led_timo[b->num]); 580 581 /* Disable the interrupt request. */ 582 bus_teardown_intr (dev, bd->cp_irq, bd->cp_intrhand); 583 584 for (c=b->chan; c<b->chan+NCHAN; ++c) { 585 drv_t *d = (drv_t*) c->sys; 586 587 if (! d || ! d->chan->type) 588 continue; 589 callout_stop (&d->timeout_handle); 590#ifndef NETGRAPH 591 /* Detach from the packet filter list of interfaces. */ 592 bpfdetach (d->ifp); 593 594 /* Detach from the sync PPP list. */ 595 sppp_detach (d->ifp); 596 597 /* Detach from the system list of interfaces. */ 598 if_detach (d->ifp); 599 if_free (d->ifp); 600 IF_DRAIN (&d->queue); 601 mtx_destroy (&d->queue.ifq_mtx); 602#else 603 if (d->node) { 604 ng_rmnode_self (d->node); 605 NG_NODE_UNREF (d->node); 606 d->node = NULL; 607 } 608 mtx_destroy (&d->queue.ifq_mtx); 609 mtx_destroy (&d->hi_queue.ifq_mtx); 610#endif 611 destroy_dev (d->devt); 612 } 613 614 b->sys = NULL; 615 CP_UNLOCK (bd); 616 617 bus_release_resource (dev, SYS_RES_IRQ, 0, bd->cp_irq); 618 bus_release_resource (dev, SYS_RES_MEMORY, PCIR_BAR(0), bd->cp_res); 619 620 CP_LOCK (bd); 621 cp_led_off (b); 622 CP_UNLOCK (bd); 623 callout_drain (&led_timo[b->num]); 624 splx (s); 625 626 for (c = b->chan; c < b->chan + NCHAN; ++c) { 627 drv_t *d = (drv_t*) c->sys; 628 629 if (! d || ! d->chan->type) 630 continue; 631 callout_drain (&d->timeout_handle); 632 channel [b->num*NCHAN + c->num] = 0; 633 /* Deallocate buffers. */ 634 cp_bus_dma_mem_free (&d->dmamem); 635 } 636 adapter [b->num] = 0; 637 cp_bus_dma_mem_free (&bd->dmamem); 638 free (b, M_DEVBUF); 639 mtx_destroy (&bd->cp_mtx); 640 return 0; 641} 642 643#ifndef NETGRAPH 644static void cp_ifstart (struct ifnet *ifp) 645{ 646 drv_t *d = ifp->if_softc; 647 bdrv_t *bd = d->board->sys; 648 649 CP_LOCK (bd); 650 cp_start (d); 651 CP_UNLOCK (bd); 652} 653 654static void cp_tlf (struct sppp *sp) 655{ 656 drv_t *d = SP2IFP(sp)->if_softc; 657 658 CP_DEBUG2 (d, ("cp_tlf\n")); 659 /* XXXRIK: Don't forget to protect them by LOCK, or kill them. */ 660/* cp_set_dtr (d->chan, 0);*/ 661/* cp_set_rts (d->chan, 0);*/ 662 if (!(sp->pp_flags & PP_FR) && !(d->ifp->if_flags & PP_CISCO)) 663 sp->pp_down (sp); 664} 665 666static void cp_tls (struct sppp *sp) 667{ 668 drv_t *d = SP2IFP(sp)->if_softc; 669 670 CP_DEBUG2 (d, ("cp_tls\n")); 671 if (!(sp->pp_flags & PP_FR) && !(d->ifp->if_flags & PP_CISCO)) 672 sp->pp_up (sp); 673} 674 675/* 676 * Process an ioctl request. 677 */ 678static int cp_sioctl (struct ifnet *ifp, u_long cmd, caddr_t data) 679{ 680 drv_t *d = ifp->if_softc; 681 bdrv_t *bd = d->board->sys; 682 int error, s, was_up, should_be_up; 683 684 was_up = (ifp->if_drv_flags & IFF_DRV_RUNNING) != 0; 685 error = sppp_ioctl (ifp, cmd, data); 686 687 if (error) 688 return error; 689 690 if (! (ifp->if_flags & IFF_DEBUG)) 691 d->chan->debug = 0; 692 else 693 d->chan->debug = d->chan->debug_shadow; 694 695 switch (cmd) { 696 default: CP_DEBUG2 (d, ("ioctl 0x%lx\n", cmd)); return 0; 697 case SIOCADDMULTI: CP_DEBUG2 (d, ("ioctl SIOCADDMULTI\n")); return 0; 698 case SIOCDELMULTI: CP_DEBUG2 (d, ("ioctl SIOCDELMULTI\n")); return 0; 699 case SIOCSIFFLAGS: CP_DEBUG2 (d, ("ioctl SIOCSIFFLAGS\n")); break; 700 case SIOCSIFADDR: CP_DEBUG2 (d, ("ioctl SIOCSIFADDR\n")); break; 701 } 702 703 /* We get here only in case of SIFFLAGS or SIFADDR. */ 704 s = splimp (); 705 CP_LOCK (bd); 706 should_be_up = (ifp->if_drv_flags & IFF_DRV_RUNNING) != 0; 707 if (! was_up && should_be_up) { 708 /* Interface goes up -- start it. */ 709 cp_up (d); 710 cp_start (d); 711 } else if (was_up && ! should_be_up) { 712 /* Interface is going down -- stop it. */ 713/* if ((IFP2SP(ifp)->pp_flags & PP_FR) || (ifp->if_flags & PP_CISCO))*/ 714 cp_down (d); 715 } 716 CP_DEBUG (d, ("ioctl 0x%lx p4\n", cmd)); 717 CP_UNLOCK (bd); 718 splx (s); 719 return 0; 720} 721 722/* 723 * Initialization of interface. 724 * It seems to be never called by upper level? 725 */ 726static void cp_initialize (void *softc) 727{ 728 drv_t *d = softc; 729 730 CP_DEBUG (d, ("cp_initialize\n")); 731} 732#endif /*NETGRAPH*/ 733 734/* 735 * Stop the interface. Called on splimp(). 736 */ 737static void cp_down (drv_t *d) 738{ 739 CP_DEBUG (d, ("cp_down\n")); 740 /* Interface is going down -- stop it. */ 741 cp_set_dtr (d->chan, 0); 742 cp_set_rts (d->chan, 0); 743 744 d->running = 0; 745 callout_stop (&d->timeout_handle); 746} 747 748/* 749 * Start the interface. Called on splimp(). 750 */ 751static void cp_up (drv_t *d) 752{ 753 CP_DEBUG (d, ("cp_up\n")); 754 cp_set_dtr (d->chan, 1); 755 cp_set_rts (d->chan, 1); 756 d->running = 1; 757} 758 759/* 760 * Start output on the interface. Get another datagram to send 761 * off of the interface queue, and copy it to the interface 762 * before starting the output. 763 */ 764static void cp_send (drv_t *d) 765{ 766 struct mbuf *m; 767 u_short len; 768 769 CP_DEBUG2 (d, ("cp_send, tn=%d te=%d\n", d->chan->tn, d->chan->te)); 770 771 /* No output if the interface is down. */ 772 if (! d->running) 773 return; 774 775 /* No output if the modem is off. */ 776 if (! (d->chan->lloop || d->chan->type != T_SERIAL || 777 cp_get_dsr (d->chan))) 778 return; 779 780 while (cp_transmit_space (d->chan)) { 781 /* Get the packet to send. */ 782#ifdef NETGRAPH 783 IF_DEQUEUE (&d->hi_queue, m); 784 if (! m) 785 IF_DEQUEUE (&d->queue, m); 786#else 787 m = sppp_dequeue (d->ifp); 788#endif 789 if (! m) 790 return; 791#ifndef NETGRAPH 792 BPF_MTAP (d->ifp, m); 793#endif 794 len = m_length (m, NULL); 795 if (len >= BUFSZ) 796 printf ("%s: too long packet: %d bytes: ", 797 d->name, len); 798 else if (! m->m_next) 799 cp_send_packet (d->chan, (u_char*) mtod (m, caddr_t), len, 0); 800 else { 801 u_char *buf = d->chan->tbuf[d->chan->te]; 802 m_copydata (m, 0, len, buf); 803 cp_send_packet (d->chan, buf, len, 0); 804 } 805 m_freem (m); 806 /* Set up transmit timeout, if the transmit ring is not empty.*/ 807 d->timeout = 10; 808 } 809#ifndef NETGRAPH 810 d->ifp->if_drv_flags |= IFF_DRV_OACTIVE; 811#endif 812} 813 814/* 815 * Start output on the interface. 816 * Always called on splimp(). 817 */ 818static void cp_start (drv_t *d) 819{ 820 if (d->running) { 821 if (! d->chan->dtr) 822 cp_set_dtr (d->chan, 1); 823 if (! d->chan->rts) 824 cp_set_rts (d->chan, 1); 825 cp_send (d); 826 callout_reset (&d->timeout_handle, hz, cp_watchdog_timer, d); 827 } 828} 829 830/* 831 * Handle transmit timeouts. 832 * Recover after lost transmit interrupts. 833 * Always called on splimp(). 834 */ 835static void cp_watchdog (drv_t *d) 836{ 837 CP_DEBUG (d, ("device timeout\n")); 838 if (d->running) { 839 cp_stop_chan (d->chan); 840 cp_stop_e1 (d->chan); 841 cp_start_e1 (d->chan); 842 cp_start_chan (d->chan, 1, 1, 0, 0); 843 cp_set_dtr (d->chan, 1); 844 cp_set_rts (d->chan, 1); 845 cp_start (d); 846 } 847} 848 849static void cp_watchdog_timer (void *arg) 850{ 851 drv_t *d = arg; 852 bdrv_t *bd = d->board->sys; 853 854 CP_LOCK (bd); 855 if (d->timeout == 1) 856 cp_watchdog (d); 857 if (d->timeout) 858 d->timeout--; 859 callout_reset (&d->timeout_handle, hz, cp_watchdog_timer, d); 860 CP_UNLOCK (bd); 861} 862 863static void cp_transmit (cp_chan_t *c, void *attachment, int len) 864{ 865 drv_t *d = c->sys; 866 867 d->timeout = 0; 868#ifndef NETGRAPH 869 if_inc_counter(d->ifp, IFCOUNTER_OPACKETS, 1); 870 d->ifp->if_drv_flags &= ~IFF_DRV_OACTIVE; 871#endif 872 cp_start (d); 873} 874 875static void cp_receive (cp_chan_t *c, unsigned char *data, int len) 876{ 877 drv_t *d = c->sys; 878 struct mbuf *m; 879#ifdef NETGRAPH 880 int error; 881#endif 882 883 if (! d->running) 884 return; 885 886 m = makembuf (data, len); 887 if (! m) { 888 CP_DEBUG (d, ("no memory for packet\n")); 889#ifndef NETGRAPH 890 if_inc_counter(d->ifp, IFCOUNTER_IQDROPS, 1); 891#endif 892 return; 893 } 894 if (c->debug > 1) 895 m_print (m, 0); 896#ifdef NETGRAPH 897 m->m_pkthdr.rcvif = 0; 898 NG_SEND_DATA_ONLY (error, d->hook, m); 899#else 900 if_inc_counter(d->ifp, IFCOUNTER_IPACKETS, 1); 901 m->m_pkthdr.rcvif = d->ifp; 902 /* Check if there's a BPF listener on this interface. 903 * If so, hand off the raw packet to bpf. */ 904 BPF_MTAP(d->ifp, m); 905 IF_ENQUEUE (&d->queue, m); 906#endif 907} 908 909static void cp_error (cp_chan_t *c, int data) 910{ 911 drv_t *d = c->sys; 912 913 switch (data) { 914 case CP_FRAME: 915 CP_DEBUG (d, ("frame error\n")); 916#ifndef NETGRAPH 917 if_inc_counter(d->ifp, IFCOUNTER_IERRORS, 1); 918#endif 919 break; 920 case CP_CRC: 921 CP_DEBUG (d, ("crc error\n")); 922#ifndef NETGRAPH 923 if_inc_counter(d->ifp, IFCOUNTER_IERRORS, 1); 924#endif 925 break; 926 case CP_OVERRUN: 927 CP_DEBUG (d, ("overrun error\n")); 928#ifndef NETGRAPH 929 if_inc_counter(d->ifp, IFCOUNTER_COLLISIONS, 1); 930 if_inc_counter(d->ifp, IFCOUNTER_IERRORS, 1); 931#endif 932 break; 933 case CP_OVERFLOW: 934 CP_DEBUG (d, ("overflow error\n")); 935#ifndef NETGRAPH 936 if_inc_counter(d->ifp, IFCOUNTER_IERRORS, 1); 937#endif 938 break; 939 case CP_UNDERRUN: 940 CP_DEBUG (d, ("underrun error\n")); 941 d->timeout = 0; 942#ifndef NETGRAPH 943 if_inc_counter(d->ifp, IFCOUNTER_OERRORS, 1); 944 d->ifp->if_drv_flags &= ~IFF_DRV_OACTIVE; 945#endif 946 cp_start (d); 947 break; 948 default: 949 CP_DEBUG (d, ("error #%d\n", data)); 950 break; 951 } 952} 953 954/* 955 * You also need read, write, open, close routines. 956 * This should get you started 957 */ 958static int cp_open (struct cdev *dev, int oflags, int devtype, struct thread *td) 959{ 960 int unit = dev2unit (dev); 961 drv_t *d; 962 963 if (unit >= NBRD*NCHAN || ! (d = channel[unit])) 964 return ENXIO; 965 CP_DEBUG2 (d, ("cp_open\n")); 966 return 0; 967} 968 969/* 970 * Only called on the LAST close. 971 */ 972static int cp_close (struct cdev *dev, int fflag, int devtype, struct thread *td) 973{ 974 drv_t *d = channel [dev2unit (dev)]; 975 976 CP_DEBUG2 (d, ("cp_close\n")); 977 return 0; 978} 979 980static int cp_modem_status (cp_chan_t *c) 981{ 982 drv_t *d = c->sys; 983 bdrv_t *bd = d->board->sys; 984 int status, s; 985 986 status = d->running ? TIOCM_LE : 0; 987 s = splimp (); 988 CP_LOCK (bd); 989 if (cp_get_cd (c)) status |= TIOCM_CD; 990 if (cp_get_cts (c)) status |= TIOCM_CTS; 991 if (cp_get_dsr (c)) status |= TIOCM_DSR; 992 if (c->dtr) status |= TIOCM_DTR; 993 if (c->rts) status |= TIOCM_RTS; 994 CP_UNLOCK (bd); 995 splx (s); 996 return status; 997} 998 999static int cp_ioctl (struct cdev *dev, u_long cmd, caddr_t data, int flag, struct thread *td) 1000{ 1001 drv_t *d = channel [dev2unit (dev)]; 1002 bdrv_t *bd = d->board->sys; 1003 cp_chan_t *c = d->chan; 1004 struct serial_statistics *st; 1005 struct e1_statistics *opte1; 1006 struct e3_statistics *opte3; 1007 int error, s; 1008 char mask[16]; 1009 1010 switch (cmd) { 1011 case SERIAL_GETREGISTERED: 1012 CP_DEBUG2 (d, ("ioctl: getregistered\n")); 1013 bzero (mask, sizeof(mask)); 1014 for (s=0; s<NBRD*NCHAN; ++s) 1015 if (channel [s]) 1016 mask [s/8] |= 1 << (s & 7); 1017 bcopy (mask, data, sizeof (mask)); 1018 return 0; 1019 1020#ifndef NETGRAPH 1021 case SERIAL_GETPROTO: 1022 CP_DEBUG2 (d, ("ioctl: getproto\n")); 1023 strcpy ((char*)data, (IFP2SP(d->ifp)->pp_flags & PP_FR) ? "fr" : 1024 (d->ifp->if_flags & PP_CISCO) ? "cisco" : "ppp"); 1025 return 0; 1026 1027 case SERIAL_SETPROTO: 1028 CP_DEBUG2 (d, ("ioctl: setproto\n")); 1029 /* Only for superuser! */ 1030 error = priv_check (td, PRIV_DRIVER); 1031 if (error) 1032 return error; 1033 if (d->ifp->if_drv_flags & IFF_DRV_RUNNING) 1034 return EBUSY; 1035 if (! strcmp ("cisco", (char*)data)) { 1036 IFP2SP(d->ifp)->pp_flags &= ~(PP_FR); 1037 IFP2SP(d->ifp)->pp_flags |= PP_KEEPALIVE; 1038 d->ifp->if_flags |= PP_CISCO; 1039#if PP_FR != 0 1040 } else if (! strcmp ("fr", (char*)data)) { 1041 d->ifp->if_flags &= ~(PP_CISCO); 1042 IFP2SP(d->ifp)->pp_flags |= PP_FR | PP_KEEPALIVE; 1043#endif 1044 } else if (! strcmp ("ppp", (char*)data)) { 1045 IFP2SP(d->ifp)->pp_flags &= ~PP_FR; 1046 IFP2SP(d->ifp)->pp_flags &= ~PP_KEEPALIVE; 1047 d->ifp->if_flags &= ~(PP_CISCO); 1048 } else 1049 return EINVAL; 1050 return 0; 1051 1052 case SERIAL_GETKEEPALIVE: 1053 CP_DEBUG2 (d, ("ioctl: getkeepalive\n")); 1054 if ((IFP2SP(d->ifp)->pp_flags & PP_FR) || 1055 (d->ifp->if_flags & PP_CISCO)) 1056 return EINVAL; 1057 *(int*)data = (IFP2SP(d->ifp)->pp_flags & PP_KEEPALIVE) ? 1 : 0; 1058 return 0; 1059 1060 case SERIAL_SETKEEPALIVE: 1061 CP_DEBUG2 (d, ("ioctl: setkeepalive\n")); 1062 /* Only for superuser! */ 1063 error = priv_check (td, PRIV_DRIVER); 1064 if (error) 1065 return error; 1066 if ((IFP2SP(d->ifp)->pp_flags & PP_FR) || 1067 (d->ifp->if_flags & PP_CISCO)) 1068 return EINVAL; 1069 s = splimp (); 1070 CP_LOCK (bd); 1071 if (*(int*)data) 1072 IFP2SP(d->ifp)->pp_flags |= PP_KEEPALIVE; 1073 else 1074 IFP2SP(d->ifp)->pp_flags &= ~PP_KEEPALIVE; 1075 CP_UNLOCK (bd); 1076 splx (s); 1077 return 0; 1078#endif /*NETGRAPH*/ 1079 1080 case SERIAL_GETMODE: 1081 CP_DEBUG2 (d, ("ioctl: getmode\n")); 1082 *(int*)data = SERIAL_HDLC; 1083 return 0; 1084 1085 case SERIAL_SETMODE: 1086 /* Only for superuser! */ 1087 error = priv_check (td, PRIV_DRIVER); 1088 if (error) 1089 return error; 1090 if (*(int*)data != SERIAL_HDLC) 1091 return EINVAL; 1092 return 0; 1093 1094 case SERIAL_GETCFG: 1095 CP_DEBUG2 (d, ("ioctl: getcfg\n")); 1096 if (c->type != T_E1 || c->unfram) 1097 return EINVAL; 1098 *(char*)data = c->board->mux ? 'c' : 'a'; 1099 return 0; 1100 1101 case SERIAL_SETCFG: 1102 CP_DEBUG2 (d, ("ioctl: setcfg\n")); 1103 error = priv_check (td, PRIV_DRIVER); 1104 if (error) 1105 return error; 1106 if (c->type != T_E1) 1107 return EINVAL; 1108 s = splimp (); 1109 CP_LOCK (bd); 1110 cp_set_mux (c->board, *((char*)data) == 'c'); 1111 CP_UNLOCK (bd); 1112 splx (s); 1113 return 0; 1114 1115 case SERIAL_GETSTAT: 1116 CP_DEBUG2 (d, ("ioctl: getstat\n")); 1117 st = (struct serial_statistics*) data; 1118 st->rintr = c->rintr; 1119 st->tintr = c->tintr; 1120 st->mintr = 0; 1121 st->ibytes = c->ibytes; 1122 st->ipkts = c->ipkts; 1123 st->obytes = c->obytes; 1124 st->opkts = c->opkts; 1125 st->ierrs = c->overrun + c->frame + c->crc; 1126 st->oerrs = c->underrun; 1127 return 0; 1128 1129 case SERIAL_GETESTAT: 1130 CP_DEBUG2 (d, ("ioctl: getestat\n")); 1131 if (c->type != T_E1 && c->type != T_G703) 1132 return EINVAL; 1133 opte1 = (struct e1_statistics*) data; 1134 opte1->status = c->status; 1135 opte1->cursec = c->cursec; 1136 opte1->totsec = c->totsec + c->cursec; 1137 1138 opte1->currnt.bpv = c->currnt.bpv; 1139 opte1->currnt.fse = c->currnt.fse; 1140 opte1->currnt.crce = c->currnt.crce; 1141 opte1->currnt.rcrce = c->currnt.rcrce; 1142 opte1->currnt.uas = c->currnt.uas; 1143 opte1->currnt.les = c->currnt.les; 1144 opte1->currnt.es = c->currnt.es; 1145 opte1->currnt.bes = c->currnt.bes; 1146 opte1->currnt.ses = c->currnt.ses; 1147 opte1->currnt.oofs = c->currnt.oofs; 1148 opte1->currnt.css = c->currnt.css; 1149 opte1->currnt.dm = c->currnt.dm; 1150 1151 opte1->total.bpv = c->total.bpv + c->currnt.bpv; 1152 opte1->total.fse = c->total.fse + c->currnt.fse; 1153 opte1->total.crce = c->total.crce + c->currnt.crce; 1154 opte1->total.rcrce = c->total.rcrce + c->currnt.rcrce; 1155 opte1->total.uas = c->total.uas + c->currnt.uas; 1156 opte1->total.les = c->total.les + c->currnt.les; 1157 opte1->total.es = c->total.es + c->currnt.es; 1158 opte1->total.bes = c->total.bes + c->currnt.bes; 1159 opte1->total.ses = c->total.ses + c->currnt.ses; 1160 opte1->total.oofs = c->total.oofs + c->currnt.oofs; 1161 opte1->total.css = c->total.css + c->currnt.css; 1162 opte1->total.dm = c->total.dm + c->currnt.dm; 1163 for (s=0; s<48; ++s) { 1164 opte1->interval[s].bpv = c->interval[s].bpv; 1165 opte1->interval[s].fse = c->interval[s].fse; 1166 opte1->interval[s].crce = c->interval[s].crce; 1167 opte1->interval[s].rcrce = c->interval[s].rcrce; 1168 opte1->interval[s].uas = c->interval[s].uas; 1169 opte1->interval[s].les = c->interval[s].les; 1170 opte1->interval[s].es = c->interval[s].es; 1171 opte1->interval[s].bes = c->interval[s].bes; 1172 opte1->interval[s].ses = c->interval[s].ses; 1173 opte1->interval[s].oofs = c->interval[s].oofs; 1174 opte1->interval[s].css = c->interval[s].css; 1175 opte1->interval[s].dm = c->interval[s].dm; 1176 } 1177 return 0; 1178 1179 case SERIAL_GETE3STAT: 1180 CP_DEBUG2 (d, ("ioctl: gete3stat\n")); 1181 if (c->type != T_E3 && c->type != T_T3 && c->type != T_STS1) 1182 return EINVAL; 1183 opte3 = (struct e3_statistics*) data; 1184 1185 opte3->status = c->e3status; 1186 opte3->cursec = (c->e3csec_5 * 2 + 1) / 10; 1187 opte3->totsec = c->e3tsec + opte3->cursec; 1188 1189 opte3->ccv = c->e3ccv; 1190 opte3->tcv = c->e3tcv + opte3->ccv; 1191 1192 for (s = 0; s < 48; ++s) { 1193 opte3->icv[s] = c->e3icv[s]; 1194 } 1195 return 0; 1196 1197 case SERIAL_CLRSTAT: 1198 CP_DEBUG2 (d, ("ioctl: clrstat\n")); 1199 /* Only for superuser! */ 1200 error = priv_check (td, PRIV_DRIVER); 1201 if (error) 1202 return error; 1203 c->rintr = 0; 1204 c->tintr = 0; 1205 c->ibytes = 0; 1206 c->obytes = 0; 1207 c->ipkts = 0; 1208 c->opkts = 0; 1209 c->overrun = 0; 1210 c->frame = 0; 1211 c->crc = 0; 1212 c->underrun = 0; 1213 bzero (&c->currnt, sizeof (c->currnt)); 1214 bzero (&c->total, sizeof (c->total)); 1215 bzero (c->interval, sizeof (c->interval)); 1216 c->e3ccv = 0; 1217 c->e3tcv = 0; 1218 bzero (c->e3icv, sizeof (c->e3icv)); 1219 return 0; 1220 1221 case SERIAL_GETBAUD: 1222 CP_DEBUG2 (d, ("ioctl: getbaud\n")); 1223 *(long*)data = c->baud; 1224 return 0; 1225 1226 case SERIAL_SETBAUD: 1227 CP_DEBUG2 (d, ("ioctl: setbaud\n")); 1228 /* Only for superuser! */ 1229 error = priv_check (td, PRIV_DRIVER); 1230 if (error) 1231 return error; 1232 s = splimp (); 1233 CP_LOCK (bd); 1234 cp_set_baud (c, *(long*)data); 1235 CP_UNLOCK (bd); 1236 splx (s); 1237 return 0; 1238 1239 case SERIAL_GETLOOP: 1240 CP_DEBUG2 (d, ("ioctl: getloop\n")); 1241 *(int*)data = c->lloop; 1242 return 0; 1243 1244 case SERIAL_SETLOOP: 1245 CP_DEBUG2 (d, ("ioctl: setloop\n")); 1246 /* Only for superuser! */ 1247 error = priv_check (td, PRIV_DRIVER); 1248 if (error) 1249 return error; 1250 s = splimp (); 1251 CP_LOCK (bd); 1252 cp_set_lloop (c, *(int*)data); 1253 CP_UNLOCK (bd); 1254 splx (s); 1255 return 0; 1256 1257 case SERIAL_GETDPLL: 1258 CP_DEBUG2 (d, ("ioctl: getdpll\n")); 1259 if (c->type != T_SERIAL) 1260 return EINVAL; 1261 *(int*)data = c->dpll; 1262 return 0; 1263 1264 case SERIAL_SETDPLL: 1265 CP_DEBUG2 (d, ("ioctl: setdpll\n")); 1266 /* Only for superuser! */ 1267 error = priv_check (td, PRIV_DRIVER); 1268 if (error) 1269 return error; 1270 if (c->type != T_SERIAL) 1271 return EINVAL; 1272 s = splimp (); 1273 CP_LOCK (bd); 1274 cp_set_dpll (c, *(int*)data); 1275 CP_UNLOCK (bd); 1276 splx (s); 1277 return 0; 1278 1279 case SERIAL_GETNRZI: 1280 CP_DEBUG2 (d, ("ioctl: getnrzi\n")); 1281 if (c->type != T_SERIAL) 1282 return EINVAL; 1283 *(int*)data = c->nrzi; 1284 return 0; 1285 1286 case SERIAL_SETNRZI: 1287 CP_DEBUG2 (d, ("ioctl: setnrzi\n")); 1288 /* Only for superuser! */ 1289 error = priv_check (td, PRIV_DRIVER); 1290 if (error) 1291 return error; 1292 if (c->type != T_SERIAL) 1293 return EINVAL; 1294 s = splimp (); 1295 CP_LOCK (bd); 1296 cp_set_nrzi (c, *(int*)data); 1297 CP_UNLOCK (bd); 1298 splx (s); 1299 return 0; 1300 1301 case SERIAL_GETDEBUG: 1302 CP_DEBUG2 (d, ("ioctl: getdebug\n")); 1303 *(int*)data = d->chan->debug; 1304 return 0; 1305 1306 case SERIAL_SETDEBUG: 1307 CP_DEBUG2 (d, ("ioctl: setdebug\n")); 1308 /* Only for superuser! */ 1309 error = priv_check (td, PRIV_DRIVER); 1310 if (error) 1311 return error; 1312#ifndef NETGRAPH 1313 /* 1314 * The debug_shadow is always greater than zero for logic 1315 * simplicity. For switching debug off the IFF_DEBUG is 1316 * responsible. 1317 */ 1318 d->chan->debug_shadow = (*(int*)data) ? (*(int*)data) : 1; 1319 if (d->ifp->if_flags & IFF_DEBUG) 1320 d->chan->debug = d->chan->debug_shadow; 1321#else 1322 d->chan->debug = *(int*)data; 1323#endif 1324 return 0; 1325 1326 case SERIAL_GETHIGAIN: 1327 CP_DEBUG2 (d, ("ioctl: gethigain\n")); 1328 if (c->type != T_E1) 1329 return EINVAL; 1330 *(int*)data = c->higain; 1331 return 0; 1332 1333 case SERIAL_SETHIGAIN: 1334 CP_DEBUG2 (d, ("ioctl: sethigain\n")); 1335 /* Only for superuser! */ 1336 error = priv_check (td, PRIV_DRIVER); 1337 if (error) 1338 return error; 1339 if (c->type != T_E1) 1340 return EINVAL; 1341 s = splimp (); 1342 CP_LOCK (bd); 1343 cp_set_higain (c, *(int*)data); 1344 CP_UNLOCK (bd); 1345 splx (s); 1346 return 0; 1347 1348 case SERIAL_GETPHONY: 1349 CP_DEBUG2 (d, ("ioctl: getphony\n")); 1350 if (c->type != T_E1) 1351 return EINVAL; 1352 *(int*)data = c->phony; 1353 return 0; 1354 1355 case SERIAL_SETPHONY: 1356 CP_DEBUG2 (d, ("ioctl: setphony\n")); 1357 /* Only for superuser! */ 1358 error = priv_check (td, PRIV_DRIVER); 1359 if (error) 1360 return error; 1361 if (c->type != T_E1) 1362 return EINVAL; 1363 s = splimp (); 1364 CP_LOCK (bd); 1365 cp_set_phony (c, *(int*)data); 1366 CP_UNLOCK (bd); 1367 splx (s); 1368 return 0; 1369 1370 case SERIAL_GETUNFRAM: 1371 CP_DEBUG2 (d, ("ioctl: getunfram\n")); 1372 if (c->type != T_E1) 1373 return EINVAL; 1374 *(int*)data = c->unfram; 1375 return 0; 1376 1377 case SERIAL_SETUNFRAM: 1378 CP_DEBUG2 (d, ("ioctl: setunfram\n")); 1379 /* Only for superuser! */ 1380 error = priv_check (td, PRIV_DRIVER); 1381 if (error) 1382 return error; 1383 if (c->type != T_E1) 1384 return EINVAL; 1385 s = splimp (); 1386 CP_LOCK (bd); 1387 cp_set_unfram (c, *(int*)data); 1388 CP_UNLOCK (bd); 1389 splx (s); 1390 return 0; 1391 1392 case SERIAL_GETSCRAMBLER: 1393 CP_DEBUG2 (d, ("ioctl: getscrambler\n")); 1394 if (c->type != T_G703 && !c->unfram) 1395 return EINVAL; 1396 *(int*)data = c->scrambler; 1397 return 0; 1398 1399 case SERIAL_SETSCRAMBLER: 1400 CP_DEBUG2 (d, ("ioctl: setscrambler\n")); 1401 /* Only for superuser! */ 1402 error = priv_check (td, PRIV_DRIVER); 1403 if (error) 1404 return error; 1405 if (c->type != T_G703 && !c->unfram) 1406 return EINVAL; 1407 s = splimp (); 1408 CP_LOCK (bd); 1409 cp_set_scrambler (c, *(int*)data); 1410 CP_UNLOCK (bd); 1411 splx (s); 1412 return 0; 1413 1414 case SERIAL_GETMONITOR: 1415 CP_DEBUG2 (d, ("ioctl: getmonitor\n")); 1416 if (c->type != T_E1 && 1417 c->type != T_E3 && 1418 c->type != T_T3 && 1419 c->type != T_STS1) 1420 return EINVAL; 1421 *(int*)data = c->monitor; 1422 return 0; 1423 1424 case SERIAL_SETMONITOR: 1425 CP_DEBUG2 (d, ("ioctl: setmonitor\n")); 1426 /* Only for superuser! */ 1427 error = priv_check (td, PRIV_DRIVER); 1428 if (error) 1429 return error; 1430 if (c->type != T_E1) 1431 return EINVAL; 1432 s = splimp (); 1433 CP_LOCK (bd); 1434 cp_set_monitor (c, *(int*)data); 1435 CP_UNLOCK (bd); 1436 splx (s); 1437 return 0; 1438 1439 case SERIAL_GETUSE16: 1440 CP_DEBUG2 (d, ("ioctl: getuse16\n")); 1441 if (c->type != T_E1 || c->unfram) 1442 return EINVAL; 1443 *(int*)data = c->use16; 1444 return 0; 1445 1446 case SERIAL_SETUSE16: 1447 CP_DEBUG2 (d, ("ioctl: setuse16\n")); 1448 /* Only for superuser! */ 1449 error = priv_check (td, PRIV_DRIVER); 1450 if (error) 1451 return error; 1452 if (c->type != T_E1) 1453 return EINVAL; 1454 s = splimp (); 1455 CP_LOCK (bd); 1456 cp_set_use16 (c, *(int*)data); 1457 CP_UNLOCK (bd); 1458 splx (s); 1459 return 0; 1460 1461 case SERIAL_GETCRC4: 1462 CP_DEBUG2 (d, ("ioctl: getcrc4\n")); 1463 if (c->type != T_E1 || c->unfram) 1464 return EINVAL; 1465 *(int*)data = c->crc4; 1466 return 0; 1467 1468 case SERIAL_SETCRC4: 1469 CP_DEBUG2 (d, ("ioctl: setcrc4\n")); 1470 /* Only for superuser! */ 1471 error = priv_check (td, PRIV_DRIVER); 1472 if (error) 1473 return error; 1474 if (c->type != T_E1) 1475 return EINVAL; 1476 s = splimp (); 1477 CP_LOCK (bd); 1478 cp_set_crc4 (c, *(int*)data); 1479 CP_UNLOCK (bd); 1480 splx (s); 1481 return 0; 1482 1483 case SERIAL_GETCLK: 1484 CP_DEBUG2 (d, ("ioctl: getclk\n")); 1485 if (c->type != T_E1 && 1486 c->type != T_G703 && 1487 c->type != T_E3 && 1488 c->type != T_T3 && 1489 c->type != T_STS1) 1490 return EINVAL; 1491 switch (c->gsyn) { 1492 default: *(int*)data = E1CLK_INTERNAL; break; 1493 case GSYN_RCV: *(int*)data = E1CLK_RECEIVE; break; 1494 case GSYN_RCV0: *(int*)data = E1CLK_RECEIVE_CHAN0; break; 1495 case GSYN_RCV1: *(int*)data = E1CLK_RECEIVE_CHAN1; break; 1496 case GSYN_RCV2: *(int*)data = E1CLK_RECEIVE_CHAN2; break; 1497 case GSYN_RCV3: *(int*)data = E1CLK_RECEIVE_CHAN3; break; 1498 } 1499 return 0; 1500 1501 case SERIAL_SETCLK: 1502 CP_DEBUG2 (d, ("ioctl: setclk\n")); 1503 /* Only for superuser! */ 1504 error = priv_check (td, PRIV_DRIVER); 1505 if (error) 1506 return error; 1507 if (c->type != T_E1 && 1508 c->type != T_G703 && 1509 c->type != T_E3 && 1510 c->type != T_T3 && 1511 c->type != T_STS1) 1512 return EINVAL; 1513 s = splimp (); 1514 CP_LOCK (bd); 1515 switch (*(int*)data) { 1516 default: cp_set_gsyn (c, GSYN_INT); break; 1517 case E1CLK_RECEIVE: cp_set_gsyn (c, GSYN_RCV); break; 1518 case E1CLK_RECEIVE_CHAN0: cp_set_gsyn (c, GSYN_RCV0); break; 1519 case E1CLK_RECEIVE_CHAN1: cp_set_gsyn (c, GSYN_RCV1); break; 1520 case E1CLK_RECEIVE_CHAN2: cp_set_gsyn (c, GSYN_RCV2); break; 1521 case E1CLK_RECEIVE_CHAN3: cp_set_gsyn (c, GSYN_RCV3); break; 1522 } 1523 CP_UNLOCK (bd); 1524 splx (s); 1525 return 0; 1526 1527 case SERIAL_GETTIMESLOTS: 1528 CP_DEBUG2 (d, ("ioctl: gettimeslots\n")); 1529 if ((c->type != T_E1 || c->unfram) && c->type != T_DATA) 1530 return EINVAL; 1531 *(u_long*)data = c->ts; 1532 return 0; 1533 1534 case SERIAL_SETTIMESLOTS: 1535 CP_DEBUG2 (d, ("ioctl: settimeslots\n")); 1536 /* Only for superuser! */ 1537 error = priv_check (td, PRIV_DRIVER); 1538 if (error) 1539 return error; 1540 if ((c->type != T_E1 || c->unfram) && c->type != T_DATA) 1541 return EINVAL; 1542 s = splimp (); 1543 CP_LOCK (bd); 1544 cp_set_ts (c, *(u_long*)data); 1545 CP_UNLOCK (bd); 1546 splx (s); 1547 return 0; 1548 1549 case SERIAL_GETINVCLK: 1550 CP_DEBUG2 (d, ("ioctl: getinvclk\n")); 1551#if 1 1552 return EINVAL; 1553#else 1554 if (c->type != T_SERIAL) 1555 return EINVAL; 1556 *(int*)data = c->invtxc; 1557 return 0; 1558#endif 1559 1560 case SERIAL_SETINVCLK: 1561 CP_DEBUG2 (d, ("ioctl: setinvclk\n")); 1562 /* Only for superuser! */ 1563 error = priv_check (td, PRIV_DRIVER); 1564 if (error) 1565 return error; 1566 if (c->type != T_SERIAL) 1567 return EINVAL; 1568 s = splimp (); 1569 CP_LOCK (bd); 1570 cp_set_invtxc (c, *(int*)data); 1571 cp_set_invrxc (c, *(int*)data); 1572 CP_UNLOCK (bd); 1573 splx (s); 1574 return 0; 1575 1576 case SERIAL_GETINVTCLK: 1577 CP_DEBUG2 (d, ("ioctl: getinvtclk\n")); 1578 if (c->type != T_SERIAL) 1579 return EINVAL; 1580 *(int*)data = c->invtxc; 1581 return 0; 1582 1583 case SERIAL_SETINVTCLK: 1584 CP_DEBUG2 (d, ("ioctl: setinvtclk\n")); 1585 /* Only for superuser! */ 1586 error = priv_check (td, PRIV_DRIVER); 1587 if (error) 1588 return error; 1589 if (c->type != T_SERIAL) 1590 return EINVAL; 1591 s = splimp (); 1592 CP_LOCK (bd); 1593 cp_set_invtxc (c, *(int*)data); 1594 CP_UNLOCK (bd); 1595 splx (s); 1596 return 0; 1597 1598 case SERIAL_GETINVRCLK: 1599 CP_DEBUG2 (d, ("ioctl: getinvrclk\n")); 1600 if (c->type != T_SERIAL) 1601 return EINVAL; 1602 *(int*)data = c->invrxc; 1603 return 0; 1604 1605 case SERIAL_SETINVRCLK: 1606 CP_DEBUG2 (d, ("ioctl: setinvrclk\n")); 1607 /* Only for superuser! */ 1608 error = priv_check (td, PRIV_DRIVER); 1609 if (error) 1610 return error; 1611 if (c->type != T_SERIAL) 1612 return EINVAL; 1613 s = splimp (); 1614 CP_LOCK (bd); 1615 cp_set_invrxc (c, *(int*)data); 1616 CP_UNLOCK (bd); 1617 splx (s); 1618 return 0; 1619 1620 case SERIAL_GETLEVEL: 1621 CP_DEBUG2 (d, ("ioctl: getlevel\n")); 1622 if (c->type != T_G703) 1623 return EINVAL; 1624 s = splimp (); 1625 CP_LOCK (bd); 1626 *(int*)data = cp_get_lq (c); 1627 CP_UNLOCK (bd); 1628 splx (s); 1629 return 0; 1630 1631#if 0 1632 case SERIAL_RESET: 1633 CP_DEBUG2 (d, ("ioctl: reset\n")); 1634 /* Only for superuser! */ 1635 error = priv_check (td, PRIV_DRIVER); 1636 if (error) 1637 return error; 1638 s = splimp (); 1639 CP_LOCK (bd); 1640 cp_reset (c->board, 0, 0); 1641 CP_UNLOCK (bd); 1642 splx (s); 1643 return 0; 1644 1645 case SERIAL_HARDRESET: 1646 CP_DEBUG2 (d, ("ioctl: hardreset\n")); 1647 /* Only for superuser! */ 1648 error = priv_check (td, PRIV_DRIVER); 1649 if (error) 1650 return error; 1651 s = splimp (); 1652 CP_LOCK (bd); 1653 /* hard_reset (c->board); */ 1654 CP_UNLOCK (bd); 1655 splx (s); 1656 return 0; 1657#endif 1658 1659 case SERIAL_GETCABLE: 1660 CP_DEBUG2 (d, ("ioctl: getcable\n")); 1661 if (c->type != T_SERIAL) 1662 return EINVAL; 1663 s = splimp (); 1664 CP_LOCK (bd); 1665 *(int*)data = cp_get_cable (c); 1666 CP_UNLOCK (bd); 1667 splx (s); 1668 return 0; 1669 1670 case SERIAL_GETDIR: 1671 CP_DEBUG2 (d, ("ioctl: getdir\n")); 1672 if (c->type != T_E1 && c->type != T_DATA) 1673 return EINVAL; 1674 *(int*)data = c->dir; 1675 return 0; 1676 1677 case SERIAL_SETDIR: 1678 CP_DEBUG2 (d, ("ioctl: setdir\n")); 1679 /* Only for superuser! */ 1680 error = priv_check (td, PRIV_DRIVER); 1681 if (error) 1682 return error; 1683 s = splimp (); 1684 CP_LOCK (bd); 1685 cp_set_dir (c, *(int*)data); 1686 CP_UNLOCK (bd); 1687 splx (s); 1688 return 0; 1689 1690 case SERIAL_GETRLOOP: 1691 CP_DEBUG2 (d, ("ioctl: getrloop\n")); 1692 if (c->type != T_G703 && 1693 c->type != T_E3 && 1694 c->type != T_T3 && 1695 c->type != T_STS1) 1696 return EINVAL; 1697 *(int*)data = cp_get_rloop (c); 1698 return 0; 1699 1700 case SERIAL_SETRLOOP: 1701 CP_DEBUG2 (d, ("ioctl: setloop\n")); 1702 if (c->type != T_E3 && c->type != T_T3 && c->type != T_STS1) 1703 return EINVAL; 1704 /* Only for superuser! */ 1705 error = priv_check (td, PRIV_DRIVER); 1706 if (error) 1707 return error; 1708 s = splimp (); 1709 CP_LOCK (bd); 1710 cp_set_rloop (c, *(int*)data); 1711 CP_UNLOCK (bd); 1712 splx (s); 1713 return 0; 1714 1715 case SERIAL_GETCABLEN: 1716 CP_DEBUG2 (d, ("ioctl: getcablen\n")); 1717 if (c->type != T_T3 && c->type != T_STS1) 1718 return EINVAL; 1719 *(int*)data = c->cablen; 1720 return 0; 1721 1722 case SERIAL_SETCABLEN: 1723 CP_DEBUG2 (d, ("ioctl: setloop\n")); 1724 if (c->type != T_T3 && c->type != T_STS1) 1725 return EINVAL; 1726 /* Only for superuser! */ 1727 error = priv_check (td, PRIV_DRIVER); 1728 if (error) 1729 return error; 1730 s = splimp (); 1731 CP_LOCK (bd); 1732 cp_set_cablen (c, *(int*)data); 1733 CP_UNLOCK (bd); 1734 splx (s); 1735 return 0; 1736 1737 case TIOCSDTR: /* Set DTR */ 1738 s = splimp (); 1739 CP_LOCK (bd); 1740 cp_set_dtr (c, 1); 1741 CP_UNLOCK (bd); 1742 splx (s); 1743 return 0; 1744 1745 case TIOCCDTR: /* Clear DTR */ 1746 s = splimp (); 1747 CP_LOCK (bd); 1748 cp_set_dtr (c, 0); 1749 CP_UNLOCK (bd); 1750 splx (s); 1751 return 0; 1752 1753 case TIOCMSET: /* Set DTR/RTS */ 1754 s = splimp (); 1755 CP_LOCK (bd); 1756 cp_set_dtr (c, (*(int*)data & TIOCM_DTR) ? 1 : 0); 1757 cp_set_rts (c, (*(int*)data & TIOCM_RTS) ? 1 : 0); 1758 CP_UNLOCK (bd); 1759 splx (s); 1760 return 0; 1761 1762 case TIOCMBIS: /* Add DTR/RTS */ 1763 s = splimp (); 1764 CP_LOCK (bd); 1765 if (*(int*)data & TIOCM_DTR) cp_set_dtr (c, 1); 1766 if (*(int*)data & TIOCM_RTS) cp_set_rts (c, 1); 1767 CP_UNLOCK (bd); 1768 splx (s); 1769 return 0; 1770 1771 case TIOCMBIC: /* Clear DTR/RTS */ 1772 s = splimp (); 1773 CP_LOCK (bd); 1774 if (*(int*)data & TIOCM_DTR) cp_set_dtr (c, 0); 1775 if (*(int*)data & TIOCM_RTS) cp_set_rts (c, 0); 1776 CP_UNLOCK (bd); 1777 splx (s); 1778 return 0; 1779 1780 case TIOCMGET: /* Get modem status */ 1781 *(int*)data = cp_modem_status (c); 1782 return 0; 1783 } 1784 return ENOTTY; 1785} 1786 1787#ifdef NETGRAPH 1788static int ng_cp_constructor (node_p node) 1789{ 1790 drv_t *d = NG_NODE_PRIVATE (node); 1791 CP_DEBUG (d, ("Constructor\n")); 1792 return EINVAL; 1793} 1794 1795static int ng_cp_newhook (node_p node, hook_p hook, const char *name) 1796{ 1797 int s; 1798 drv_t *d = NG_NODE_PRIVATE (node); 1799 bdrv_t *bd = d->board->sys; 1800 1801 CP_DEBUG (d, ("Newhook\n")); 1802 /* Attach debug hook */ 1803 if (strcmp (name, NG_CP_HOOK_DEBUG) == 0) { 1804 NG_HOOK_SET_PRIVATE (hook, NULL); 1805 d->debug_hook = hook; 1806 return 0; 1807 } 1808 1809 /* Check for raw hook */ 1810 if (strcmp (name, NG_CP_HOOK_RAW) != 0) 1811 return EINVAL; 1812 1813 NG_HOOK_SET_PRIVATE (hook, d); 1814 d->hook = hook; 1815 s = splimp (); 1816 CP_LOCK (bd); 1817 cp_up (d); 1818 CP_UNLOCK (bd); 1819 splx (s); 1820 return 0; 1821} 1822 1823static char *format_timeslots (u_long s) 1824{ 1825 static char buf [100]; 1826 char *p = buf; 1827 int i; 1828 1829 for (i=1; i<32; ++i) 1830 if ((s >> i) & 1) { 1831 int prev = (i > 1) & (s >> (i-1)); 1832 int next = (i < 31) & (s >> (i+1)); 1833 1834 if (prev) { 1835 if (next) 1836 continue; 1837 *p++ = '-'; 1838 } else if (p > buf) 1839 *p++ = ','; 1840 1841 if (i >= 10) 1842 *p++ = '0' + i / 10; 1843 *p++ = '0' + i % 10; 1844 } 1845 *p = 0; 1846 return buf; 1847} 1848 1849static int print_modems (char *s, cp_chan_t *c, int need_header) 1850{ 1851 int status = cp_modem_status (c); 1852 int length = 0; 1853 1854 if (need_header) 1855 length += sprintf (s + length, " LE DTR DSR RTS CTS CD\n"); 1856 length += sprintf (s + length, "%4s %4s %4s %4s %4s %4s\n", 1857 status & TIOCM_LE ? "On" : "-", 1858 status & TIOCM_DTR ? "On" : "-", 1859 status & TIOCM_DSR ? "On" : "-", 1860 status & TIOCM_RTS ? "On" : "-", 1861 status & TIOCM_CTS ? "On" : "-", 1862 status & TIOCM_CD ? "On" : "-"); 1863 return length; 1864} 1865 1866static int print_stats (char *s, cp_chan_t *c, int need_header) 1867{ 1868 int length = 0; 1869 1870 if (need_header) 1871 length += sprintf (s + length, " Rintr Tintr Mintr Ibytes Ipkts Ierrs Obytes Opkts Oerrs\n"); 1872 length += sprintf (s + length, "%7ld %7ld %7ld %8lu %7ld %7ld %8lu %7ld %7ld\n", 1873 c->rintr, c->tintr, 0l, (unsigned long) c->ibytes, 1874 c->ipkts, c->overrun + c->frame + c->crc, 1875 (unsigned long) c->obytes, c->opkts, c->underrun); 1876 return length; 1877} 1878 1879static char *format_e1_status (u_char status) 1880{ 1881 static char buf [80]; 1882 1883 if (status & E1_NOALARM) 1884 return "Ok"; 1885 buf[0] = 0; 1886 if (status & E1_LOS) strcat (buf, ",LOS"); 1887 if (status & E1_AIS) strcat (buf, ",AIS"); 1888 if (status & E1_LOF) strcat (buf, ",LOF"); 1889 if (status & E1_LOMF) strcat (buf, ",LOMF"); 1890 if (status & E1_FARLOF) strcat (buf, ",FARLOF"); 1891 if (status & E1_AIS16) strcat (buf, ",AIS16"); 1892 if (status & E1_FARLOMF) strcat (buf, ",FARLOMF"); 1893 if (status & E1_TSTREQ) strcat (buf, ",TSTREQ"); 1894 if (status & E1_TSTERR) strcat (buf, ",TSTERR"); 1895 if (buf[0] == ',') 1896 return buf+1; 1897 return "Unknown"; 1898} 1899 1900static int print_frac (char *s, int leftalign, u_long numerator, u_long divider) 1901{ 1902 int n, length = 0; 1903 1904 if (numerator < 1 || divider < 1) { 1905 length += sprintf (s+length, leftalign ? "/- " : " -"); 1906 return length; 1907 } 1908 n = (int) (0.5 + 1000.0 * numerator / divider); 1909 if (n < 1000) { 1910 length += sprintf (s+length, leftalign ? "/.%-3d" : " .%03d", n); 1911 return length; 1912 } 1913 *(s + length) = leftalign ? '/' : ' '; 1914 length ++; 1915 1916 if (n >= 1000000) n = (n+500) / 1000 * 1000; 1917 else if (n >= 100000) n = (n+50) / 100 * 100; 1918 else if (n >= 10000) n = (n+5) / 10 * 10; 1919 1920 switch (n) { 1921 case 1000: length += printf (s+length, ".999"); return length; 1922 case 10000: n = 9990; break; 1923 case 100000: n = 99900; break; 1924 case 1000000: n = 999000; break; 1925 } 1926 if (n < 10000) length += sprintf (s+length, "%d.%d", n/1000, n/10%100); 1927 else if (n < 100000) length += sprintf (s+length, "%d.%d", n/1000, n/100%10); 1928 else if (n < 1000000) length += sprintf (s+length, "%d.", n/1000); 1929 else length += sprintf (s+length, "%d", n/1000); 1930 1931 return length; 1932} 1933 1934static int print_e1_stats (char *s, cp_chan_t *c) 1935{ 1936 struct e1_counters total; 1937 u_long totsec; 1938 int length = 0; 1939 1940 totsec = c->totsec + c->cursec; 1941 total.bpv = c->total.bpv + c->currnt.bpv; 1942 total.fse = c->total.fse + c->currnt.fse; 1943 total.crce = c->total.crce + c->currnt.crce; 1944 total.rcrce = c->total.rcrce + c->currnt.rcrce; 1945 total.uas = c->total.uas + c->currnt.uas; 1946 total.les = c->total.les + c->currnt.les; 1947 total.es = c->total.es + c->currnt.es; 1948 total.bes = c->total.bes + c->currnt.bes; 1949 total.ses = c->total.ses + c->currnt.ses; 1950 total.oofs = c->total.oofs + c->currnt.oofs; 1951 total.css = c->total.css + c->currnt.css; 1952 total.dm = c->total.dm + c->currnt.dm; 1953 1954 length += sprintf (s + length, " Unav/Degr Bpv/Fsyn CRC/RCRC Err/Lerr Sev/Bur Oof/Slp Status\n"); 1955 1956 /* Unavailable seconds, degraded minutes */ 1957 length += print_frac (s + length, 0, c->currnt.uas, c->cursec); 1958 length += print_frac (s + length, 1, 60 * c->currnt.dm, c->cursec); 1959 1960 /* Bipolar violations, frame sync errors */ 1961 length += print_frac (s + length, 0, c->currnt.bpv, c->cursec); 1962 length += print_frac (s + length, 1, c->currnt.fse, c->cursec); 1963 1964 /* CRC errors, remote CRC errors (E-bit) */ 1965 length += print_frac (s + length, 0, c->currnt.crce, c->cursec); 1966 length += print_frac (s + length, 1, c->currnt.rcrce, c->cursec); 1967 1968 /* Errored seconds, line errored seconds */ 1969 length += print_frac (s + length, 0, c->currnt.es, c->cursec); 1970 length += print_frac (s + length, 1, c->currnt.les, c->cursec); 1971 1972 /* Severely errored seconds, burst errored seconds */ 1973 length += print_frac (s + length, 0, c->currnt.ses, c->cursec); 1974 length += print_frac (s + length, 1, c->currnt.bes, c->cursec); 1975 1976 /* Out of frame seconds, controlled slip seconds */ 1977 length += print_frac (s + length, 0, c->currnt.oofs, c->cursec); 1978 length += print_frac (s + length, 1, c->currnt.css, c->cursec); 1979 1980 length += sprintf (s + length, " %s\n", format_e1_status (c->status)); 1981 1982 /* Print total statistics. */ 1983 length += print_frac (s + length, 0, total.uas, totsec); 1984 length += print_frac (s + length, 1, 60 * total.dm, totsec); 1985 1986 length += print_frac (s + length, 0, total.bpv, totsec); 1987 length += print_frac (s + length, 1, total.fse, totsec); 1988 1989 length += print_frac (s + length, 0, total.crce, totsec); 1990 length += print_frac (s + length, 1, total.rcrce, totsec); 1991 1992 length += print_frac (s + length, 0, total.es, totsec); 1993 length += print_frac (s + length, 1, total.les, totsec); 1994 1995 length += print_frac (s + length, 0, total.ses, totsec); 1996 length += print_frac (s + length, 1, total.bes, totsec); 1997 1998 length += print_frac (s + length, 0, total.oofs, totsec); 1999 length += print_frac (s + length, 1, total.css, totsec); 2000 2001 length += sprintf (s + length, " -- Total\n"); 2002 return length; 2003} 2004 2005static int print_chan (char *s, cp_chan_t *c) 2006{ 2007 drv_t *d = c->sys; 2008 bdrv_t *bd = d->board->sys; 2009 int length = 0; 2010 2011 length += sprintf (s + length, "cp%d", c->board->num * NCHAN + c->num); 2012 if (d->chan->debug) 2013 length += sprintf (s + length, " debug=%d", d->chan->debug); 2014 2015 if (c->board->mux) { 2016 length += sprintf (s + length, " cfg=C"); 2017 } else { 2018 length += sprintf (s + length, " cfg=A"); 2019 } 2020 2021 if (c->baud) 2022 length += sprintf (s + length, " %ld", c->baud); 2023 else 2024 length += sprintf (s + length, " extclock"); 2025 2026 if (c->type == T_E1 || c->type == T_G703) 2027 switch (c->gsyn) { 2028 case GSYN_INT : length += sprintf (s + length, " syn=int"); break; 2029 case GSYN_RCV : length += sprintf (s + length, " syn=rcv"); break; 2030 case GSYN_RCV0 : length += sprintf (s + length, " syn=rcv0"); break; 2031 case GSYN_RCV1 : length += sprintf (s + length, " syn=rcv1"); break; 2032 case GSYN_RCV2 : length += sprintf (s + length, " syn=rcv2"); break; 2033 case GSYN_RCV3 : length += sprintf (s + length, " syn=rcv3"); break; 2034 } 2035 if (c->type == T_SERIAL) { 2036 length += sprintf (s + length, " dpll=%s", c->dpll ? "on" : "off"); 2037 length += sprintf (s + length, " nrzi=%s", c->nrzi ? "on" : "off"); 2038 length += sprintf (s + length, " invclk=%s", c->invtxc ? "on" : "off"); 2039 } 2040 if (c->type == T_E1) 2041 length += sprintf (s + length, " higain=%s", c->higain ? "on" : "off"); 2042 2043 length += sprintf (s + length, " loop=%s", c->lloop ? "on" : "off"); 2044 2045 if (c->type == T_E1) 2046 length += sprintf (s + length, " ts=%s", format_timeslots (c->ts)); 2047 if (c->type == T_G703) { 2048 int lq, x; 2049 2050 x = splimp (); 2051 CP_LOCK (bd); 2052 lq = cp_get_lq (c); 2053 CP_UNLOCK (bd); 2054 splx (x); 2055 length += sprintf (s + length, " (level=-%.1fdB)", lq / 10.0); 2056 } 2057 length += sprintf (s + length, "\n"); 2058 return length; 2059} 2060 2061static int ng_cp_rcvmsg (node_p node, item_p item, hook_p lasthook) 2062{ 2063 drv_t *d = NG_NODE_PRIVATE (node); 2064 struct ng_mesg *msg; 2065 struct ng_mesg *resp = NULL; 2066 int error = 0; 2067 2068 CP_DEBUG (d, ("Rcvmsg\n")); 2069 NGI_GET_MSG (item, msg); 2070 switch (msg->header.typecookie) { 2071 default: 2072 error = EINVAL; 2073 break; 2074 2075 case NGM_CP_COOKIE: 2076 printf ("Not implemented yet\n"); 2077 error = EINVAL; 2078 break; 2079 2080 case NGM_GENERIC_COOKIE: 2081 switch (msg->header.cmd) { 2082 default: 2083 error = EINVAL; 2084 break; 2085 2086 case NGM_TEXT_STATUS: { 2087 char *s; 2088 int l = 0; 2089 int dl = sizeof (struct ng_mesg) + 730; 2090 2091 NG_MKRESPONSE (resp, msg, dl, M_NOWAIT); 2092 if (! resp) { 2093 error = ENOMEM; 2094 break; 2095 } 2096 s = (resp)->data; 2097 if (d) { 2098 l += print_chan (s + l, d->chan); 2099 l += print_stats (s + l, d->chan, 1); 2100 l += print_modems (s + l, d->chan, 1); 2101 l += print_e1_stats (s + l, d->chan); 2102 } else 2103 l += sprintf (s + l, "Error: node not connect to channel"); 2104 strncpy ((resp)->header.cmdstr, "status", NG_CMDSTRSIZ); 2105 } 2106 break; 2107 } 2108 break; 2109 } 2110 NG_RESPOND_MSG (error, node, item, resp); 2111 NG_FREE_MSG (msg); 2112 return error; 2113} 2114 2115static int ng_cp_rcvdata (hook_p hook, item_p item) 2116{ 2117 drv_t *d = NG_NODE_PRIVATE (NG_HOOK_NODE(hook)); 2118 struct mbuf *m; 2119 struct ng_tag_prio *ptag; 2120 bdrv_t *bd = d->board->sys; 2121 struct ifqueue *q; 2122 int s; 2123 2124 CP_DEBUG2 (d, ("Rcvdata\n")); 2125 NGI_GET_M (item, m); 2126 NG_FREE_ITEM (item); 2127 if (! NG_HOOK_PRIVATE (hook) || ! d) { 2128 NG_FREE_M (m); 2129 return ENETDOWN; 2130 } 2131 2132 /* Check for high priority data */ 2133 if ((ptag = (struct ng_tag_prio *)m_tag_locate(m, NGM_GENERIC_COOKIE, 2134 NG_TAG_PRIO, NULL)) != NULL && (ptag->priority > NG_PRIO_CUTOFF) ) 2135 q = &d->hi_queue; 2136 else 2137 q = &d->queue; 2138 2139 s = splimp (); 2140 CP_LOCK (bd); 2141 IF_LOCK (q); 2142 if (_IF_QFULL (q)) { 2143 IF_UNLOCK (q); 2144 CP_UNLOCK (bd); 2145 splx (s); 2146 NG_FREE_M (m); 2147 return ENOBUFS; 2148 } 2149 _IF_ENQUEUE (q, m); 2150 IF_UNLOCK (q); 2151 cp_start (d); 2152 CP_UNLOCK (bd); 2153 splx (s); 2154 return 0; 2155} 2156 2157static int ng_cp_rmnode (node_p node) 2158{ 2159 drv_t *d = NG_NODE_PRIVATE (node); 2160 2161 CP_DEBUG (d, ("Rmnode\n")); 2162 if (d && d->running) { 2163 bdrv_t *bd = d->board->sys; 2164 int s = splimp (); 2165 CP_LOCK (bd); 2166 cp_down (d); 2167 CP_UNLOCK (bd); 2168 splx (s); 2169 } 2170#ifdef KLD_MODULE 2171 if (node->nd_flags & NGF_REALLY_DIE) { 2172 NG_NODE_SET_PRIVATE (node, NULL); 2173 NG_NODE_UNREF (node); 2174 } 2175 NG_NODE_REVIVE(node); /* Persistant node */ 2176#endif 2177 return 0; 2178} 2179 2180static int ng_cp_connect (hook_p hook) 2181{ 2182 drv_t *d = NG_NODE_PRIVATE (NG_HOOK_NODE (hook)); 2183 2184 if (d) { 2185 CP_DEBUG (d, ("Connect\n")); 2186 callout_reset (&d->timeout_handle, hz, cp_watchdog_timer, d); 2187 } 2188 2189 return 0; 2190} 2191 2192static int ng_cp_disconnect (hook_p hook) 2193{ 2194 drv_t *d = NG_NODE_PRIVATE (NG_HOOK_NODE (hook)); 2195 2196 if (d) { 2197 CP_DEBUG (d, ("Disconnect\n")); 2198 if (NG_HOOK_PRIVATE (hook)) 2199 { 2200 bdrv_t *bd = d->board->sys; 2201 int s = splimp (); 2202 CP_LOCK (bd); 2203 cp_down (d); 2204 CP_UNLOCK (bd); 2205 splx (s); 2206 } 2207 /* If we were wait it than it reasserted now, just stop it. */ 2208 if (!callout_drain (&d->timeout_handle)) 2209 callout_stop (&d->timeout_handle); 2210 } 2211 return 0; 2212} 2213#endif 2214 2215static int cp_modevent (module_t mod, int type, void *unused) 2216{ 2217 static int load_count = 0; 2218 2219 switch (type) { 2220 case MOD_LOAD: 2221#ifdef NETGRAPH 2222 if (ng_newtype (&typestruct)) 2223 printf ("Failed to register ng_cp\n"); 2224#endif 2225 ++load_count; 2226 callout_init (&timeout_handle, CALLOUT_MPSAFE); 2227 callout_reset (&timeout_handle, hz*5, cp_timeout, 0); 2228 break; 2229 case MOD_UNLOAD: 2230 if (load_count == 1) { 2231 printf ("Removing device entry for Tau-PCI\n"); 2232#ifdef NETGRAPH 2233 ng_rmtype (&typestruct); 2234#endif 2235 } 2236 /* If we were wait it than it reasserted now, just stop it. 2237 * Actually we shouldn't get this condition. But code could be 2238 * changed in the future, so just be a litle paranoid. 2239 */ 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_CP_NODE_TYPE, 2254 .constructor = ng_cp_constructor, 2255 .rcvmsg = ng_cp_rcvmsg, 2256 .shutdown = ng_cp_rmnode, 2257 .newhook = ng_cp_newhook, 2258 .connect = ng_cp_connect, 2259 .rcvdata = ng_cp_rcvdata, 2260 .disconnect = ng_cp_disconnect, 2261}; 2262#endif /*NETGRAPH*/ 2263 2264#ifdef NETGRAPH 2265MODULE_DEPEND (ng_cp, netgraph, NG_ABI_VERSION, NG_ABI_VERSION, NG_ABI_VERSION); 2266#else 2267MODULE_DEPEND (cp, sppp, 1, 1, 1); 2268#endif 2269DRIVER_MODULE (cp, pci, cp_driver, cp_devclass, cp_modevent, NULL); 2270MODULE_VERSION (cp, 1); 2271