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: stable/10/sys/dev/cp/if_cp.c 314667 2017-03-04 13:03:31Z avg $"); 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 <dev/pci/pcivar.h> 46#include <dev/pci/pcireg.h> 47#include <machine/bus.h> 48#include <sys/rman.h> 49#include "opt_ng_cronyx.h" 50#ifdef NETGRAPH_CRONYX 51# include "opt_netgraph.h" 52# ifndef NETGRAPH 53# error #option NETGRAPH missed from configuration 54# endif 55# include <netgraph/ng_message.h> 56# include <netgraph/netgraph.h> 57# include <dev/cp/ng_cp.h> 58#else 59# include <net/if_sppp.h> 60# include <net/if_types.h> 61#include <dev/pci/pcivar.h> 62# define PP_CISCO IFF_LINK2 63# include <net/bpf.h> 64#endif 65#include <dev/cx/machdep.h> 66#include <dev/cp/cpddk.h> 67#include <machine/cserial.h> 68#include <machine/resource.h> 69#include <machine/pmap.h> 70 71/* If we don't have Cronyx's sppp version, we don't have fr support via sppp */ 72#ifndef PP_FR 73#define PP_FR 0 74#endif 75 76#define CP_DEBUG(d,s) ({if (d->chan->debug) {\ 77 printf ("%s: ", d->name); printf s;}}) 78#define CP_DEBUG2(d,s) ({if (d->chan->debug>1) {\ 79 printf ("%s: ", d->name); printf s;}}) 80#define CP_LOCK_NAME "cpX" 81 82#define CP_LOCK(_bd) mtx_lock (&(_bd)->cp_mtx) 83#define CP_UNLOCK(_bd) mtx_unlock (&(_bd)->cp_mtx) 84#define CP_LOCK_ASSERT(_bd) mtx_assert (&(_bd)->cp_mtx, MA_OWNED) 85 86static int cp_probe __P((device_t)); 87static int cp_attach __P((device_t)); 88static int cp_detach __P((device_t)); 89 90static device_method_t cp_methods[] = { 91 /* Device interface */ 92 DEVMETHOD(device_probe, cp_probe), 93 DEVMETHOD(device_attach, cp_attach), 94 DEVMETHOD(device_detach, cp_detach), 95 96 DEVMETHOD_END 97}; 98 99typedef struct _cp_dma_mem_t { 100 unsigned long phys; 101 void *virt; 102 size_t size; 103 bus_dma_tag_t dmat; 104 bus_dmamap_t mapp; 105} cp_dma_mem_t; 106 107typedef struct _drv_t { 108 char name [8]; 109 int running; 110 cp_chan_t *chan; 111 cp_board_t *board; 112 cp_dma_mem_t dmamem; 113#ifdef NETGRAPH 114 char nodename [NG_NODESIZE]; 115 hook_p hook; 116 hook_p debug_hook; 117 node_p node; 118 struct ifqueue queue; 119 struct ifqueue hi_queue; 120#else 121 struct ifqueue queue; 122 struct ifnet *ifp; 123#endif 124 short timeout; 125 struct callout timeout_handle; 126 struct cdev *devt; 127} drv_t; 128 129typedef struct _bdrv_t { 130 cp_board_t *board; 131 struct resource *cp_res; 132 struct resource *cp_irq; 133 void *cp_intrhand; 134 cp_dma_mem_t dmamem; 135 drv_t channel [NCHAN]; 136 struct mtx cp_mtx; 137} bdrv_t; 138 139static driver_t cp_driver = { 140 "cp", 141 cp_methods, 142 sizeof(bdrv_t), 143}; 144 145static devclass_t cp_devclass; 146 147static void cp_receive (cp_chan_t *c, unsigned char *data, int len); 148static void cp_transmit (cp_chan_t *c, void *attachment, int len); 149static void cp_error (cp_chan_t *c, int data); 150static void cp_up (drv_t *d); 151static void cp_start (drv_t *d); 152static void cp_down (drv_t *d); 153static void cp_watchdog (drv_t *d); 154static void cp_watchdog_timer (void *arg); 155#ifdef NETGRAPH 156extern struct ng_type typestruct; 157#else 158static void cp_ifstart (struct ifnet *ifp); 159static void cp_tlf (struct sppp *sp); 160static void cp_tls (struct sppp *sp); 161static int cp_sioctl (struct ifnet *ifp, u_long cmd, caddr_t data); 162static void cp_initialize (void *softc); 163#endif 164 165static cp_board_t *adapter [NBRD]; 166static drv_t *channel [NBRD*NCHAN]; 167static struct callout led_timo [NBRD]; 168static struct callout timeout_handle; 169 170static int cp_destroy = 0; 171 172static int cp_open (struct cdev *dev, int oflags, int devtype, struct thread *td); 173static int cp_close (struct cdev *dev, int fflag, int devtype, struct thread *td); 174static int cp_ioctl (struct cdev *dev, u_long cmd, caddr_t data, int flag, struct thread *td); 175static struct cdevsw cp_cdevsw = { 176 .d_version = D_VERSION, 177 .d_open = cp_open, 178 .d_close = cp_close, 179 .d_ioctl = cp_ioctl, 180 .d_name = "cp", 181}; 182 183/* 184 * Print the mbuf chain, for debug purposes only. 185 */ 186static void printmbuf (struct mbuf *m) 187{ 188 printf ("mbuf:"); 189 for (; m; m=m->m_next) { 190 if (m->m_flags & M_PKTHDR) 191 printf (" HDR %d:", m->m_pkthdr.len); 192 if (m->m_flags & M_EXT) 193 printf (" EXT:"); 194 printf (" %d", m->m_len); 195 } 196 printf ("\n"); 197} 198 199/* 200 * Make an mbuf from data. 201 */ 202static struct mbuf *makembuf (void *buf, unsigned len) 203{ 204 struct mbuf *m; 205 206 MGETHDR (m, M_NOWAIT, MT_DATA); 207 if (! m) 208 return 0; 209 MCLGET (m, M_NOWAIT); 210 if (! (m->m_flags & M_EXT)) { 211 m_freem (m); 212 return 0; 213 } 214 m->m_pkthdr.len = m->m_len = len; 215 bcopy (buf, mtod (m, caddr_t), len); 216 return m; 217} 218 219static int cp_probe (device_t dev) 220{ 221 if ((pci_get_vendor (dev) == cp_vendor_id) && 222 (pci_get_device (dev) == cp_device_id)) { 223 device_set_desc (dev, "Cronyx-Tau-PCI serial adapter"); 224 return BUS_PROBE_DEFAULT; 225 } 226 return ENXIO; 227} 228 229static void cp_timeout (void *arg) 230{ 231 drv_t *d; 232 int s, i, k; 233 234 for (i = 0; i < NBRD; ++i) { 235 if (adapter[i] == NULL) 236 continue; 237 for (k = 0; k < NCHAN; ++k) { 238 s = splimp (); 239 if (cp_destroy) { 240 splx (s); 241 return; 242 } 243 d = channel[i * NCHAN + k]; 244 if (!d) { 245 splx (s); 246 continue; 247 } 248 CP_LOCK ((bdrv_t *)d->board->sys); 249 switch (d->chan->type) { 250 case T_G703: 251 cp_g703_timer (d->chan); 252 break; 253 case T_E1: 254 cp_e1_timer (d->chan); 255 break; 256 case T_E3: 257 case T_T3: 258 case T_STS1: 259 cp_e3_timer (d->chan); 260 break; 261 default: 262 break; 263 } 264 CP_UNLOCK ((bdrv_t *)d->board->sys); 265 splx (s); 266 } 267 } 268 s = splimp (); 269 if (!cp_destroy) 270 callout_reset (&timeout_handle, hz, cp_timeout, 0); 271 splx (s); 272} 273 274static void cp_led_off (void *arg) 275{ 276 cp_board_t *b = arg; 277 bdrv_t *bd = (bdrv_t *) b->sys; 278 int s; 279 s = splimp (); 280 if (cp_destroy) { 281 splx (s); 282 return; 283 } 284 CP_LOCK (bd); 285 cp_led (b, 0); 286 CP_UNLOCK (bd); 287 splx (s); 288} 289 290static void cp_intr (void *arg) 291{ 292 bdrv_t *bd = arg; 293 cp_board_t *b = bd->board; 294#ifndef NETGRAPH 295 int i; 296#endif 297 int s = splimp (); 298 if (cp_destroy) { 299 splx (s); 300 return; 301 } 302 CP_LOCK (bd); 303 /* Check if we are ready */ 304 if (b->sys == NULL) { 305 /* Not we are not, just cleanup. */ 306 cp_interrupt_poll (b, 1); 307 CP_UNLOCK (bd); 308 return; 309 } 310 /* Turn LED on. */ 311 cp_led (b, 1); 312 313 cp_interrupt (b); 314 315 /* Turn LED off 50 msec later. */ 316 callout_reset (&led_timo[b->num], hz/20, cp_led_off, b); 317 CP_UNLOCK (bd); 318 splx (s); 319 320#ifndef NETGRAPH 321 /* Pass packets in a lock-free state */ 322 for (i = 0; i < NCHAN && b->chan[i].type; i++) { 323 drv_t *d = b->chan[i].sys; 324 struct mbuf *m; 325 if (!d || !d->running) 326 continue; 327 while (_IF_QLEN(&d->queue)) { 328 IF_DEQUEUE (&d->queue,m); 329 if (!m) 330 continue; 331 sppp_input (d->ifp, m); 332 } 333 } 334#endif 335} 336 337static void 338cp_bus_dmamap_addr (void *arg, bus_dma_segment_t *segs, int nseg, int error) 339{ 340 unsigned long *addr; 341 342 if (error) 343 return; 344 345 KASSERT(nseg == 1, ("too many DMA segments, %d should be 1", nseg)); 346 addr = arg; 347 *addr = segs->ds_addr; 348} 349 350static int 351cp_bus_dma_mem_alloc (int bnum, int cnum, cp_dma_mem_t *dmem) 352{ 353 int error; 354 355 error = bus_dma_tag_create (NULL, 16, 0, BUS_SPACE_MAXADDR_32BIT, 356 BUS_SPACE_MAXADDR, NULL, NULL, dmem->size, 1, 357 dmem->size, 0, NULL, NULL, &dmem->dmat); 358 if (error) { 359 if (cnum >= 0) printf ("cp%d-%d: ", bnum, cnum); 360 else printf ("cp%d: ", bnum); 361 printf ("couldn't allocate tag for dma memory\n"); 362 return 0; 363 } 364 error = bus_dmamem_alloc (dmem->dmat, (void **)&dmem->virt, 365 BUS_DMA_NOWAIT | BUS_DMA_ZERO, &dmem->mapp); 366 if (error) { 367 if (cnum >= 0) printf ("cp%d-%d: ", bnum, cnum); 368 else printf ("cp%d: ", bnum); 369 printf ("couldn't allocate mem for dma memory\n"); 370 bus_dma_tag_destroy (dmem->dmat); 371 return 0; 372 } 373 error = bus_dmamap_load (dmem->dmat, dmem->mapp, dmem->virt, 374 dmem->size, cp_bus_dmamap_addr, &dmem->phys, 0); 375 if (error) { 376 if (cnum >= 0) printf ("cp%d-%d: ", bnum, cnum); 377 else printf ("cp%d: ", bnum); 378 printf ("couldn't load mem map for dma memory\n"); 379 bus_dmamem_free (dmem->dmat, dmem->virt, dmem->mapp); 380 bus_dma_tag_destroy (dmem->dmat); 381 return 0; 382 } 383 return 1; 384} 385 386static void 387cp_bus_dma_mem_free (cp_dma_mem_t *dmem) 388{ 389 bus_dmamap_unload (dmem->dmat, dmem->mapp); 390 bus_dmamem_free (dmem->dmat, dmem->virt, dmem->mapp); 391 bus_dma_tag_destroy (dmem->dmat); 392} 393 394/* 395 * Called if the probe succeeded. 396 */ 397static int cp_attach (device_t dev) 398{ 399 bdrv_t *bd = device_get_softc (dev); 400 int unit = device_get_unit (dev); 401 char *cp_ln = CP_LOCK_NAME; 402 unsigned short res; 403 vm_offset_t vbase; 404 int rid, error; 405 cp_board_t *b; 406 cp_chan_t *c; 407 drv_t *d; 408 int s = splimp (); 409 410 b = malloc (sizeof(cp_board_t), M_DEVBUF, M_WAITOK); 411 if (!b) { 412 printf ("cp%d: couldn't allocate memory\n", unit); 413 splx (s); 414 return (ENXIO); 415 } 416 bzero (b, sizeof(cp_board_t)); 417 418 bd->board = b; 419 rid = PCIR_BAR(0); 420 bd->cp_res = bus_alloc_resource (dev, SYS_RES_MEMORY, &rid, 421 0, ~0, 1, RF_ACTIVE); 422 if (! bd->cp_res) { 423 printf ("cp%d: cannot map memory\n", unit); 424 free (b, M_DEVBUF); 425 splx (s); 426 return (ENXIO); 427 } 428 vbase = (vm_offset_t) rman_get_virtual (bd->cp_res); 429 430 cp_ln[2] = '0' + unit; 431 mtx_init (&bd->cp_mtx, cp_ln, MTX_NETWORK_LOCK, MTX_DEF|MTX_RECURSE); 432 res = cp_init (b, unit, (u_char*) vbase); 433 if (res) { 434 printf ("cp%d: can't init, error code:%x\n", unit, res); 435 bus_release_resource (dev, SYS_RES_MEMORY, PCIR_BAR(0), bd->cp_res); 436 free (b, M_DEVBUF); 437 splx (s); 438 return (ENXIO); 439 } 440 441 bd->dmamem.size = sizeof(cp_qbuf_t); 442 if (! cp_bus_dma_mem_alloc (unit, -1, &bd->dmamem)) { 443 free (b, M_DEVBUF); 444 splx (s); 445 return (ENXIO); 446 } 447 CP_LOCK (bd); 448 cp_reset (b, bd->dmamem.virt, bd->dmamem.phys); 449 CP_UNLOCK (bd); 450 451 rid = 0; 452 bd->cp_irq = bus_alloc_resource (dev, SYS_RES_IRQ, &rid, 0, ~0, 1, 453 RF_SHAREABLE | RF_ACTIVE); 454 if (! bd->cp_irq) { 455 cp_destroy = 1; 456 printf ("cp%d: cannot map interrupt\n", unit); 457 bus_release_resource (dev, SYS_RES_MEMORY, 458 PCIR_BAR(0), bd->cp_res); 459 mtx_destroy (&bd->cp_mtx); 460 free (b, M_DEVBUF); 461 splx (s); 462 return (ENXIO); 463 } 464 callout_init (&led_timo[unit], 1); 465 error = bus_setup_intr (dev, bd->cp_irq, 466 INTR_TYPE_NET|INTR_MPSAFE, 467 NULL, cp_intr, bd, &bd->cp_intrhand); 468 if (error) { 469 cp_destroy = 1; 470 printf ("cp%d: cannot set up irq\n", unit); 471 bus_release_resource (dev, SYS_RES_IRQ, 0, bd->cp_irq); 472 bus_release_resource (dev, SYS_RES_MEMORY, 473 PCIR_BAR(0), bd->cp_res); 474 mtx_destroy (&bd->cp_mtx); 475 free (b, M_DEVBUF); 476 splx (s); 477 return (ENXIO); 478 } 479 printf ("cp%d: %s, clock %ld MHz\n", unit, b->name, b->osc / 1000000); 480 481 for (c = b->chan; c < b->chan + NCHAN; ++c) { 482 if (! c->type) 483 continue; 484 d = &bd->channel[c->num]; 485 d->dmamem.size = sizeof(cp_buf_t); 486 if (! cp_bus_dma_mem_alloc (unit, c->num, &d->dmamem)) 487 continue; 488 channel [b->num*NCHAN + c->num] = d; 489 sprintf (d->name, "cp%d.%d", b->num, c->num); 490 d->board = b; 491 d->chan = c; 492 c->sys = d; 493 callout_init (&d->timeout_handle, 1); 494#ifdef NETGRAPH 495 if (ng_make_node_common (&typestruct, &d->node) != 0) { 496 printf ("%s: cannot make common node\n", d->name); 497 d->node = NULL; 498 continue; 499 } 500 NG_NODE_SET_PRIVATE (d->node, d); 501 sprintf (d->nodename, "%s%d", NG_CP_NODE_TYPE, 502 c->board->num*NCHAN + c->num); 503 if (ng_name_node (d->node, d->nodename)) { 504 printf ("%s: cannot name node\n", d->nodename); 505 NG_NODE_UNREF (d->node); 506 continue; 507 } 508 d->queue.ifq_maxlen = ifqmaxlen; 509 d->hi_queue.ifq_maxlen = ifqmaxlen; 510 mtx_init (&d->queue.ifq_mtx, "cp_queue", NULL, MTX_DEF); 511 mtx_init (&d->hi_queue.ifq_mtx, "cp_queue_hi", NULL, MTX_DEF); 512#else /*NETGRAPH*/ 513 d->ifp = if_alloc(IFT_PPP); 514 if (d->ifp == NULL) { 515 printf ("%s: cannot if_alloc() interface\n", d->name); 516 continue; 517 } 518 d->ifp->if_softc = d; 519 if_initname (d->ifp, "cp", b->num * NCHAN + c->num); 520 d->ifp->if_mtu = PP_MTU; 521 d->ifp->if_flags = IFF_POINTOPOINT | IFF_MULTICAST; 522 d->ifp->if_ioctl = cp_sioctl; 523 d->ifp->if_start = cp_ifstart; 524 d->ifp->if_init = cp_initialize; 525 d->queue.ifq_maxlen = NRBUF; 526 mtx_init (&d->queue.ifq_mtx, "cp_queue", NULL, MTX_DEF); 527 sppp_attach (d->ifp); 528 if_attach (d->ifp); 529 IFP2SP(d->ifp)->pp_tlf = cp_tlf; 530 IFP2SP(d->ifp)->pp_tls = cp_tls; 531 /* If BPF is in the kernel, call the attach for it. 532 * The header size of PPP or Cisco/HDLC is 4 bytes. */ 533 bpfattach (d->ifp, DLT_PPP, 4); 534#endif /*NETGRAPH*/ 535 cp_start_e1 (c); 536 cp_start_chan (c, 1, 1, d->dmamem.virt, d->dmamem.phys); 537 538 /* Register callback functions. */ 539 cp_register_transmit (c, &cp_transmit); 540 cp_register_receive (c, &cp_receive); 541 cp_register_error (c, &cp_error); 542 d->devt = make_dev (&cp_cdevsw, b->num*NCHAN+c->num, UID_ROOT, 543 GID_WHEEL, 0600, "cp%d", b->num*NCHAN+c->num); 544 } 545 CP_LOCK (bd); 546 b->sys = bd; 547 adapter[unit] = b; 548 CP_UNLOCK (bd); 549 splx (s); 550 return 0; 551} 552 553static int cp_detach (device_t dev) 554{ 555 bdrv_t *bd = device_get_softc (dev); 556 cp_board_t *b = bd->board; 557 cp_chan_t *c; 558 int s; 559 560 KASSERT (mtx_initialized (&bd->cp_mtx), ("cp mutex not initialized")); 561 s = splimp (); 562 CP_LOCK (bd); 563 /* Check if the device is busy (open). */ 564 for (c = b->chan; c < b->chan + NCHAN; ++c) { 565 drv_t *d = (drv_t*) c->sys; 566 567 if (! d || ! d->chan->type) 568 continue; 569 if (d->running) { 570 CP_UNLOCK (bd); 571 splx (s); 572 return EBUSY; 573 } 574 } 575 576 /* Ok, we can unload driver */ 577 /* At first we should stop all channels */ 578 for (c = b->chan; c < b->chan + NCHAN; ++c) { 579 drv_t *d = (drv_t*) c->sys; 580 581 if (! d || ! d->chan->type) 582 continue; 583 584 cp_stop_chan (c); 585 cp_stop_e1 (c); 586 cp_set_dtr (d->chan, 0); 587 cp_set_rts (d->chan, 0); 588 } 589 590 /* Reset the adapter. */ 591 cp_destroy = 1; 592 cp_interrupt_poll (b, 1); 593 cp_led_off (b); 594 cp_reset (b, 0 ,0); 595 callout_stop (&led_timo[b->num]); 596 597 /* Disable the interrupt request. */ 598 bus_teardown_intr (dev, bd->cp_irq, bd->cp_intrhand); 599 600 for (c=b->chan; c<b->chan+NCHAN; ++c) { 601 drv_t *d = (drv_t*) c->sys; 602 603 if (! d || ! d->chan->type) 604 continue; 605 callout_stop (&d->timeout_handle); 606#ifndef NETGRAPH 607 /* Detach from the packet filter list of interfaces. */ 608 bpfdetach (d->ifp); 609 610 /* Detach from the sync PPP list. */ 611 sppp_detach (d->ifp); 612 613 /* Detach from the system list of interfaces. */ 614 if_detach (d->ifp); 615 if_free (d->ifp); 616 IF_DRAIN (&d->queue); 617 mtx_destroy (&d->queue.ifq_mtx); 618#else 619 if (d->node) { 620 ng_rmnode_self (d->node); 621 NG_NODE_UNREF (d->node); 622 d->node = NULL; 623 } 624 mtx_destroy (&d->queue.ifq_mtx); 625 mtx_destroy (&d->hi_queue.ifq_mtx); 626#endif 627 destroy_dev (d->devt); 628 } 629 630 b->sys = NULL; 631 CP_UNLOCK (bd); 632 633 bus_release_resource (dev, SYS_RES_IRQ, 0, bd->cp_irq); 634 bus_release_resource (dev, SYS_RES_MEMORY, PCIR_BAR(0), bd->cp_res); 635 636 CP_LOCK (bd); 637 cp_led_off (b); 638 CP_UNLOCK (bd); 639 callout_drain (&led_timo[b->num]); 640 splx (s); 641 642 for (c = b->chan; c < b->chan + NCHAN; ++c) { 643 drv_t *d = (drv_t*) c->sys; 644 645 if (! d || ! d->chan->type) 646 continue; 647 callout_drain (&d->timeout_handle); 648 channel [b->num*NCHAN + c->num] = 0; 649 /* Deallocate buffers. */ 650 cp_bus_dma_mem_free (&d->dmamem); 651 } 652 adapter [b->num] = 0; 653 cp_bus_dma_mem_free (&bd->dmamem); 654 free (b, M_DEVBUF); 655 mtx_destroy (&bd->cp_mtx); 656 return 0; 657} 658 659#ifndef NETGRAPH 660static void cp_ifstart (struct ifnet *ifp) 661{ 662 drv_t *d = ifp->if_softc; 663 bdrv_t *bd = d->board->sys; 664 665 CP_LOCK (bd); 666 cp_start (d); 667 CP_UNLOCK (bd); 668} 669 670static void cp_tlf (struct sppp *sp) 671{ 672 drv_t *d = SP2IFP(sp)->if_softc; 673 674 CP_DEBUG2 (d, ("cp_tlf\n")); 675 /* XXXRIK: Don't forget to protect them by LOCK, or kill them. */ 676/* cp_set_dtr (d->chan, 0);*/ 677/* cp_set_rts (d->chan, 0);*/ 678 if (!(sp->pp_flags & PP_FR) && !(d->ifp->if_flags & PP_CISCO)) 679 sp->pp_down (sp); 680} 681 682static void cp_tls (struct sppp *sp) 683{ 684 drv_t *d = SP2IFP(sp)->if_softc; 685 686 CP_DEBUG2 (d, ("cp_tls\n")); 687 if (!(sp->pp_flags & PP_FR) && !(d->ifp->if_flags & PP_CISCO)) 688 sp->pp_up (sp); 689} 690 691/* 692 * Process an ioctl request. 693 */ 694static int cp_sioctl (struct ifnet *ifp, u_long cmd, caddr_t data) 695{ 696 drv_t *d = ifp->if_softc; 697 bdrv_t *bd = d->board->sys; 698 int error, s, was_up, should_be_up; 699 700 was_up = (ifp->if_drv_flags & IFF_DRV_RUNNING) != 0; 701 error = sppp_ioctl (ifp, cmd, data); 702 703 if (error) 704 return error; 705 706 if (! (ifp->if_flags & IFF_DEBUG)) 707 d->chan->debug = 0; 708 else 709 d->chan->debug = d->chan->debug_shadow; 710 711 switch (cmd) { 712 default: CP_DEBUG2 (d, ("ioctl 0x%lx\n", cmd)); return 0; 713 case SIOCADDMULTI: CP_DEBUG2 (d, ("ioctl SIOCADDMULTI\n")); return 0; 714 case SIOCDELMULTI: CP_DEBUG2 (d, ("ioctl SIOCDELMULTI\n")); return 0; 715 case SIOCSIFFLAGS: CP_DEBUG2 (d, ("ioctl SIOCSIFFLAGS\n")); break; 716 case SIOCSIFADDR: CP_DEBUG2 (d, ("ioctl SIOCSIFADDR\n")); break; 717 } 718 719 /* We get here only in case of SIFFLAGS or SIFADDR. */ 720 s = splimp (); 721 CP_LOCK (bd); 722 should_be_up = (ifp->if_drv_flags & IFF_DRV_RUNNING) != 0; 723 if (! was_up && should_be_up) { 724 /* Interface goes up -- start it. */ 725 cp_up (d); 726 cp_start (d); 727 } else if (was_up && ! should_be_up) { 728 /* Interface is going down -- stop it. */ 729/* if ((IFP2SP(ifp)->pp_flags & PP_FR) || (ifp->if_flags & PP_CISCO))*/ 730 cp_down (d); 731 } 732 CP_DEBUG (d, ("ioctl 0x%lx p4\n", cmd)); 733 CP_UNLOCK (bd); 734 splx (s); 735 return 0; 736} 737 738/* 739 * Initialization of interface. 740 * It seems to be never called by upper level? 741 */ 742static void cp_initialize (void *softc) 743{ 744 drv_t *d = softc; 745 746 CP_DEBUG (d, ("cp_initialize\n")); 747} 748#endif /*NETGRAPH*/ 749 750/* 751 * Stop the interface. Called on splimp(). 752 */ 753static void cp_down (drv_t *d) 754{ 755 CP_DEBUG (d, ("cp_down\n")); 756 /* Interface is going down -- stop it. */ 757 cp_set_dtr (d->chan, 0); 758 cp_set_rts (d->chan, 0); 759 760 d->running = 0; 761 callout_stop (&d->timeout_handle); 762} 763 764/* 765 * Start the interface. Called on splimp(). 766 */ 767static void cp_up (drv_t *d) 768{ 769 CP_DEBUG (d, ("cp_up\n")); 770 cp_set_dtr (d->chan, 1); 771 cp_set_rts (d->chan, 1); 772 d->running = 1; 773} 774 775/* 776 * Start output on the interface. Get another datagram to send 777 * off of the interface queue, and copy it to the interface 778 * before starting the output. 779 */ 780static void cp_send (drv_t *d) 781{ 782 struct mbuf *m; 783 u_short len; 784 785 CP_DEBUG2 (d, ("cp_send, tn=%d te=%d\n", d->chan->tn, d->chan->te)); 786 787 /* No output if the interface is down. */ 788 if (! d->running) 789 return; 790 791 /* No output if the modem is off. */ 792 if (! (d->chan->lloop || d->chan->type != T_SERIAL || 793 cp_get_dsr (d->chan))) 794 return; 795 796 while (cp_transmit_space (d->chan)) { 797 /* Get the packet to send. */ 798#ifdef NETGRAPH 799 IF_DEQUEUE (&d->hi_queue, m); 800 if (! m) 801 IF_DEQUEUE (&d->queue, m); 802#else 803 m = sppp_dequeue (d->ifp); 804#endif 805 if (! m) 806 return; 807#ifndef NETGRAPH 808 BPF_MTAP (d->ifp, m); 809#endif 810 len = m_length (m, NULL); 811 if (len >= BUFSZ) 812 printf ("%s: too long packet: %d bytes: ", 813 d->name, len); 814 else if (! m->m_next) 815 cp_send_packet (d->chan, (u_char*) mtod (m, caddr_t), len, 0); 816 else { 817 u_char *buf = d->chan->tbuf[d->chan->te]; 818 m_copydata (m, 0, len, buf); 819 cp_send_packet (d->chan, buf, len, 0); 820 } 821 m_freem (m); 822 /* Set up transmit timeout, if the transmit ring is not empty.*/ 823 d->timeout = 10; 824 } 825#ifndef NETGRAPH 826 d->ifp->if_drv_flags |= IFF_DRV_OACTIVE; 827#endif 828} 829 830/* 831 * Start output on the interface. 832 * Always called on splimp(). 833 */ 834static void cp_start (drv_t *d) 835{ 836 if (d->running) { 837 if (! d->chan->dtr) 838 cp_set_dtr (d->chan, 1); 839 if (! d->chan->rts) 840 cp_set_rts (d->chan, 1); 841 cp_send (d); 842 callout_reset (&d->timeout_handle, hz, cp_watchdog_timer, d); 843 } 844} 845 846/* 847 * Handle transmit timeouts. 848 * Recover after lost transmit interrupts. 849 * Always called on splimp(). 850 */ 851static void cp_watchdog (drv_t *d) 852{ 853 CP_DEBUG (d, ("device timeout\n")); 854 if (d->running) { 855 cp_stop_chan (d->chan); 856 cp_stop_e1 (d->chan); 857 cp_start_e1 (d->chan); 858 cp_start_chan (d->chan, 1, 1, 0, 0); 859 cp_set_dtr (d->chan, 1); 860 cp_set_rts (d->chan, 1); 861 cp_start (d); 862 } 863} 864 865static void cp_watchdog_timer (void *arg) 866{ 867 drv_t *d = arg; 868 bdrv_t *bd = d->board->sys; 869 870 CP_LOCK (bd); 871 if (d->timeout == 1) 872 cp_watchdog (d); 873 if (d->timeout) 874 d->timeout--; 875 callout_reset (&d->timeout_handle, hz, cp_watchdog_timer, d); 876 CP_UNLOCK (bd); 877} 878 879static void cp_transmit (cp_chan_t *c, void *attachment, int len) 880{ 881 drv_t *d = c->sys; 882 883 d->timeout = 0; 884#ifndef NETGRAPH 885 ++d->ifp->if_opackets; 886 d->ifp->if_drv_flags &= ~IFF_DRV_OACTIVE; 887#endif 888 cp_start (d); 889} 890 891static void cp_receive (cp_chan_t *c, unsigned char *data, int len) 892{ 893 drv_t *d = c->sys; 894 struct mbuf *m; 895#ifdef NETGRAPH 896 int error; 897#endif 898 899 if (! d->running) 900 return; 901 902 m = makembuf (data, len); 903 if (! m) { 904 CP_DEBUG (d, ("no memory for packet\n")); 905#ifndef NETGRAPH 906 ++d->ifp->if_iqdrops; 907#endif 908 return; 909 } 910 if (c->debug > 1) 911 printmbuf (m); 912#ifdef NETGRAPH 913 m->m_pkthdr.rcvif = 0; 914 NG_SEND_DATA_ONLY (error, d->hook, m); 915#else 916 ++d->ifp->if_ipackets; 917 m->m_pkthdr.rcvif = d->ifp; 918 /* Check if there's a BPF listener on this interface. 919 * If so, hand off the raw packet to bpf. */ 920 BPF_TAP (d->ifp, data, len); 921 IF_ENQUEUE (&d->queue, m); 922#endif 923} 924 925static void cp_error (cp_chan_t *c, int data) 926{ 927 drv_t *d = c->sys; 928 929 switch (data) { 930 case CP_FRAME: 931 CP_DEBUG (d, ("frame error\n")); 932#ifndef NETGRAPH 933 ++d->ifp->if_ierrors; 934#endif 935 break; 936 case CP_CRC: 937 CP_DEBUG (d, ("crc error\n")); 938#ifndef NETGRAPH 939 ++d->ifp->if_ierrors; 940#endif 941 break; 942 case CP_OVERRUN: 943 CP_DEBUG (d, ("overrun error\n")); 944#ifndef NETGRAPH 945 ++d->ifp->if_collisions; 946 ++d->ifp->if_ierrors; 947#endif 948 break; 949 case CP_OVERFLOW: 950 CP_DEBUG (d, ("overflow error\n")); 951#ifndef NETGRAPH 952 ++d->ifp->if_ierrors; 953#endif 954 break; 955 case CP_UNDERRUN: 956 CP_DEBUG (d, ("underrun error\n")); 957 d->timeout = 0; 958#ifndef NETGRAPH 959 ++d->ifp->if_oerrors; 960 d->ifp->if_drv_flags &= ~IFF_DRV_OACTIVE; 961#endif 962 cp_start (d); 963 break; 964 default: 965 CP_DEBUG (d, ("error #%d\n", data)); 966 break; 967 } 968} 969 970/* 971 * You also need read, write, open, close routines. 972 * This should get you started 973 */ 974static int cp_open (struct cdev *dev, int oflags, int devtype, struct thread *td) 975{ 976 int unit = dev2unit (dev); 977 drv_t *d; 978 979 if (unit >= NBRD*NCHAN || ! (d = channel[unit])) 980 return ENXIO; 981 CP_DEBUG2 (d, ("cp_open\n")); 982 return 0; 983} 984 985/* 986 * Only called on the LAST close. 987 */ 988static int cp_close (struct cdev *dev, int fflag, int devtype, struct thread *td) 989{ 990 drv_t *d = channel [dev2unit (dev)]; 991 992 CP_DEBUG2 (d, ("cp_close\n")); 993 return 0; 994} 995 996static int cp_modem_status (cp_chan_t *c) 997{ 998 drv_t *d = c->sys; 999 bdrv_t *bd = d->board->sys; 1000 int status, s; 1001 1002 status = d->running ? TIOCM_LE : 0; 1003 s = splimp (); 1004 CP_LOCK (bd); 1005 if (cp_get_cd (c)) status |= TIOCM_CD; 1006 if (cp_get_cts (c)) status |= TIOCM_CTS; 1007 if (cp_get_dsr (c)) status |= TIOCM_DSR; 1008 if (c->dtr) status |= TIOCM_DTR; 1009 if (c->rts) status |= TIOCM_RTS; 1010 CP_UNLOCK (bd); 1011 splx (s); 1012 return status; 1013} 1014 1015static int cp_ioctl (struct cdev *dev, u_long cmd, caddr_t data, int flag, struct thread *td) 1016{ 1017 drv_t *d = channel [dev2unit (dev)]; 1018 bdrv_t *bd = d->board->sys; 1019 cp_chan_t *c = d->chan; 1020 struct serial_statistics *st; 1021 struct e1_statistics *opte1; 1022 struct e3_statistics *opte3; 1023 int error, s; 1024 char mask[16]; 1025 1026 switch (cmd) { 1027 case SERIAL_GETREGISTERED: 1028 CP_DEBUG2 (d, ("ioctl: getregistered\n")); 1029 bzero (mask, sizeof(mask)); 1030 for (s=0; s<NBRD*NCHAN; ++s) 1031 if (channel [s]) 1032 mask [s/8] |= 1 << (s & 7); 1033 bcopy (mask, data, sizeof (mask)); 1034 return 0; 1035 1036#ifndef NETGRAPH 1037 case SERIAL_GETPROTO: 1038 CP_DEBUG2 (d, ("ioctl: getproto\n")); 1039 strcpy ((char*)data, (IFP2SP(d->ifp)->pp_flags & PP_FR) ? "fr" : 1040 (d->ifp->if_flags & PP_CISCO) ? "cisco" : "ppp"); 1041 return 0; 1042 1043 case SERIAL_SETPROTO: 1044 CP_DEBUG2 (d, ("ioctl: setproto\n")); 1045 /* Only for superuser! */ 1046 error = priv_check (td, PRIV_DRIVER); 1047 if (error) 1048 return error; 1049 if (d->ifp->if_drv_flags & IFF_DRV_RUNNING) 1050 return EBUSY; 1051 if (! strcmp ("cisco", (char*)data)) { 1052 IFP2SP(d->ifp)->pp_flags &= ~(PP_FR); 1053 IFP2SP(d->ifp)->pp_flags |= PP_KEEPALIVE; 1054 d->ifp->if_flags |= PP_CISCO; 1055#if PP_FR != 0 1056 } else if (! strcmp ("fr", (char*)data)) { 1057 d->ifp->if_flags &= ~(PP_CISCO); 1058 IFP2SP(d->ifp)->pp_flags |= PP_FR | PP_KEEPALIVE; 1059#endif 1060 } else if (! strcmp ("ppp", (char*)data)) { 1061 IFP2SP(d->ifp)->pp_flags &= ~PP_FR; 1062 IFP2SP(d->ifp)->pp_flags &= ~PP_KEEPALIVE; 1063 d->ifp->if_flags &= ~(PP_CISCO); 1064 } else 1065 return EINVAL; 1066 return 0; 1067 1068 case SERIAL_GETKEEPALIVE: 1069 CP_DEBUG2 (d, ("ioctl: getkeepalive\n")); 1070 if ((IFP2SP(d->ifp)->pp_flags & PP_FR) || 1071 (d->ifp->if_flags & PP_CISCO)) 1072 return EINVAL; 1073 *(int*)data = (IFP2SP(d->ifp)->pp_flags & PP_KEEPALIVE) ? 1 : 0; 1074 return 0; 1075 1076 case SERIAL_SETKEEPALIVE: 1077 CP_DEBUG2 (d, ("ioctl: setkeepalive\n")); 1078 /* Only for superuser! */ 1079 error = priv_check (td, PRIV_DRIVER); 1080 if (error) 1081 return error; 1082 if ((IFP2SP(d->ifp)->pp_flags & PP_FR) || 1083 (d->ifp->if_flags & PP_CISCO)) 1084 return EINVAL; 1085 s = splimp (); 1086 CP_LOCK (bd); 1087 if (*(int*)data) 1088 IFP2SP(d->ifp)->pp_flags |= PP_KEEPALIVE; 1089 else 1090 IFP2SP(d->ifp)->pp_flags &= ~PP_KEEPALIVE; 1091 CP_UNLOCK (bd); 1092 splx (s); 1093 return 0; 1094#endif /*NETGRAPH*/ 1095 1096 case SERIAL_GETMODE: 1097 CP_DEBUG2 (d, ("ioctl: getmode\n")); 1098 *(int*)data = SERIAL_HDLC; 1099 return 0; 1100 1101 case SERIAL_SETMODE: 1102 /* Only for superuser! */ 1103 error = priv_check (td, PRIV_DRIVER); 1104 if (error) 1105 return error; 1106 if (*(int*)data != SERIAL_HDLC) 1107 return EINVAL; 1108 return 0; 1109 1110 case SERIAL_GETCFG: 1111 CP_DEBUG2 (d, ("ioctl: getcfg\n")); 1112 if (c->type != T_E1 || c->unfram) 1113 return EINVAL; 1114 *(char*)data = c->board->mux ? 'c' : 'a'; 1115 return 0; 1116 1117 case SERIAL_SETCFG: 1118 CP_DEBUG2 (d, ("ioctl: setcfg\n")); 1119 error = priv_check (td, PRIV_DRIVER); 1120 if (error) 1121 return error; 1122 if (c->type != T_E1) 1123 return EINVAL; 1124 s = splimp (); 1125 CP_LOCK (bd); 1126 cp_set_mux (c->board, *((char*)data) == 'c'); 1127 CP_UNLOCK (bd); 1128 splx (s); 1129 return 0; 1130 1131 case SERIAL_GETSTAT: 1132 CP_DEBUG2 (d, ("ioctl: getstat\n")); 1133 st = (struct serial_statistics*) data; 1134 st->rintr = c->rintr; 1135 st->tintr = c->tintr; 1136 st->mintr = 0; 1137 st->ibytes = c->ibytes; 1138 st->ipkts = c->ipkts; 1139 st->obytes = c->obytes; 1140 st->opkts = c->opkts; 1141 st->ierrs = c->overrun + c->frame + c->crc; 1142 st->oerrs = c->underrun; 1143 return 0; 1144 1145 case SERIAL_GETESTAT: 1146 CP_DEBUG2 (d, ("ioctl: getestat\n")); 1147 if (c->type != T_E1 && c->type != T_G703) 1148 return EINVAL; 1149 opte1 = (struct e1_statistics*) data; 1150 opte1->status = c->status; 1151 opte1->cursec = c->cursec; 1152 opte1->totsec = c->totsec + c->cursec; 1153 1154 opte1->currnt.bpv = c->currnt.bpv; 1155 opte1->currnt.fse = c->currnt.fse; 1156 opte1->currnt.crce = c->currnt.crce; 1157 opte1->currnt.rcrce = c->currnt.rcrce; 1158 opte1->currnt.uas = c->currnt.uas; 1159 opte1->currnt.les = c->currnt.les; 1160 opte1->currnt.es = c->currnt.es; 1161 opte1->currnt.bes = c->currnt.bes; 1162 opte1->currnt.ses = c->currnt.ses; 1163 opte1->currnt.oofs = c->currnt.oofs; 1164 opte1->currnt.css = c->currnt.css; 1165 opte1->currnt.dm = c->currnt.dm; 1166 1167 opte1->total.bpv = c->total.bpv + c->currnt.bpv; 1168 opte1->total.fse = c->total.fse + c->currnt.fse; 1169 opte1->total.crce = c->total.crce + c->currnt.crce; 1170 opte1->total.rcrce = c->total.rcrce + c->currnt.rcrce; 1171 opte1->total.uas = c->total.uas + c->currnt.uas; 1172 opte1->total.les = c->total.les + c->currnt.les; 1173 opte1->total.es = c->total.es + c->currnt.es; 1174 opte1->total.bes = c->total.bes + c->currnt.bes; 1175 opte1->total.ses = c->total.ses + c->currnt.ses; 1176 opte1->total.oofs = c->total.oofs + c->currnt.oofs; 1177 opte1->total.css = c->total.css + c->currnt.css; 1178 opte1->total.dm = c->total.dm + c->currnt.dm; 1179 for (s=0; s<48; ++s) { 1180 opte1->interval[s].bpv = c->interval[s].bpv; 1181 opte1->interval[s].fse = c->interval[s].fse; 1182 opte1->interval[s].crce = c->interval[s].crce; 1183 opte1->interval[s].rcrce = c->interval[s].rcrce; 1184 opte1->interval[s].uas = c->interval[s].uas; 1185 opte1->interval[s].les = c->interval[s].les; 1186 opte1->interval[s].es = c->interval[s].es; 1187 opte1->interval[s].bes = c->interval[s].bes; 1188 opte1->interval[s].ses = c->interval[s].ses; 1189 opte1->interval[s].oofs = c->interval[s].oofs; 1190 opte1->interval[s].css = c->interval[s].css; 1191 opte1->interval[s].dm = c->interval[s].dm; 1192 } 1193 return 0; 1194 1195 case SERIAL_GETE3STAT: 1196 CP_DEBUG2 (d, ("ioctl: gete3stat\n")); 1197 if (c->type != T_E3 && c->type != T_T3 && c->type != T_STS1) 1198 return EINVAL; 1199 opte3 = (struct e3_statistics*) data; 1200 1201 opte3->status = c->e3status; 1202 opte3->cursec = (c->e3csec_5 * 2 + 1) / 10; 1203 opte3->totsec = c->e3tsec + opte3->cursec; 1204 1205 opte3->ccv = c->e3ccv; 1206 opte3->tcv = c->e3tcv + opte3->ccv; 1207 1208 for (s = 0; s < 48; ++s) { 1209 opte3->icv[s] = c->e3icv[s]; 1210 } 1211 return 0; 1212 1213 case SERIAL_CLRSTAT: 1214 CP_DEBUG2 (d, ("ioctl: clrstat\n")); 1215 /* Only for superuser! */ 1216 error = priv_check (td, PRIV_DRIVER); 1217 if (error) 1218 return error; 1219 c->rintr = 0; 1220 c->tintr = 0; 1221 c->ibytes = 0; 1222 c->obytes = 0; 1223 c->ipkts = 0; 1224 c->opkts = 0; 1225 c->overrun = 0; 1226 c->frame = 0; 1227 c->crc = 0; 1228 c->underrun = 0; 1229 bzero (&c->currnt, sizeof (c->currnt)); 1230 bzero (&c->total, sizeof (c->total)); 1231 bzero (c->interval, sizeof (c->interval)); 1232 c->e3ccv = 0; 1233 c->e3tcv = 0; 1234 bzero (c->e3icv, sizeof (c->e3icv)); 1235 return 0; 1236 1237 case SERIAL_GETBAUD: 1238 CP_DEBUG2 (d, ("ioctl: getbaud\n")); 1239 *(long*)data = c->baud; 1240 return 0; 1241 1242 case SERIAL_SETBAUD: 1243 CP_DEBUG2 (d, ("ioctl: setbaud\n")); 1244 /* Only for superuser! */ 1245 error = priv_check (td, PRIV_DRIVER); 1246 if (error) 1247 return error; 1248 s = splimp (); 1249 CP_LOCK (bd); 1250 cp_set_baud (c, *(long*)data); 1251 CP_UNLOCK (bd); 1252 splx (s); 1253 return 0; 1254 1255 case SERIAL_GETLOOP: 1256 CP_DEBUG2 (d, ("ioctl: getloop\n")); 1257 *(int*)data = c->lloop; 1258 return 0; 1259 1260 case SERIAL_SETLOOP: 1261 CP_DEBUG2 (d, ("ioctl: setloop\n")); 1262 /* Only for superuser! */ 1263 error = priv_check (td, PRIV_DRIVER); 1264 if (error) 1265 return error; 1266 s = splimp (); 1267 CP_LOCK (bd); 1268 cp_set_lloop (c, *(int*)data); 1269 CP_UNLOCK (bd); 1270 splx (s); 1271 return 0; 1272 1273 case SERIAL_GETDPLL: 1274 CP_DEBUG2 (d, ("ioctl: getdpll\n")); 1275 if (c->type != T_SERIAL) 1276 return EINVAL; 1277 *(int*)data = c->dpll; 1278 return 0; 1279 1280 case SERIAL_SETDPLL: 1281 CP_DEBUG2 (d, ("ioctl: setdpll\n")); 1282 /* Only for superuser! */ 1283 error = priv_check (td, PRIV_DRIVER); 1284 if (error) 1285 return error; 1286 if (c->type != T_SERIAL) 1287 return EINVAL; 1288 s = splimp (); 1289 CP_LOCK (bd); 1290 cp_set_dpll (c, *(int*)data); 1291 CP_UNLOCK (bd); 1292 splx (s); 1293 return 0; 1294 1295 case SERIAL_GETNRZI: 1296 CP_DEBUG2 (d, ("ioctl: getnrzi\n")); 1297 if (c->type != T_SERIAL) 1298 return EINVAL; 1299 *(int*)data = c->nrzi; 1300 return 0; 1301 1302 case SERIAL_SETNRZI: 1303 CP_DEBUG2 (d, ("ioctl: setnrzi\n")); 1304 /* Only for superuser! */ 1305 error = priv_check (td, PRIV_DRIVER); 1306 if (error) 1307 return error; 1308 if (c->type != T_SERIAL) 1309 return EINVAL; 1310 s = splimp (); 1311 CP_LOCK (bd); 1312 cp_set_nrzi (c, *(int*)data); 1313 CP_UNLOCK (bd); 1314 splx (s); 1315 return 0; 1316 1317 case SERIAL_GETDEBUG: 1318 CP_DEBUG2 (d, ("ioctl: getdebug\n")); 1319 *(int*)data = d->chan->debug; 1320 return 0; 1321 1322 case SERIAL_SETDEBUG: 1323 CP_DEBUG2 (d, ("ioctl: setdebug\n")); 1324 /* Only for superuser! */ 1325 error = priv_check (td, PRIV_DRIVER); 1326 if (error) 1327 return error; 1328#ifndef NETGRAPH 1329 /* 1330 * The debug_shadow is always greater than zero for logic 1331 * simplicity. For switching debug off the IFF_DEBUG is 1332 * responsible. 1333 */ 1334 d->chan->debug_shadow = (*(int*)data) ? (*(int*)data) : 1; 1335 if (d->ifp->if_flags & IFF_DEBUG) 1336 d->chan->debug = d->chan->debug_shadow; 1337#else 1338 d->chan->debug = *(int*)data; 1339#endif 1340 return 0; 1341 1342 case SERIAL_GETHIGAIN: 1343 CP_DEBUG2 (d, ("ioctl: gethigain\n")); 1344 if (c->type != T_E1) 1345 return EINVAL; 1346 *(int*)data = c->higain; 1347 return 0; 1348 1349 case SERIAL_SETHIGAIN: 1350 CP_DEBUG2 (d, ("ioctl: sethigain\n")); 1351 /* Only for superuser! */ 1352 error = priv_check (td, PRIV_DRIVER); 1353 if (error) 1354 return error; 1355 if (c->type != T_E1) 1356 return EINVAL; 1357 s = splimp (); 1358 CP_LOCK (bd); 1359 cp_set_higain (c, *(int*)data); 1360 CP_UNLOCK (bd); 1361 splx (s); 1362 return 0; 1363 1364 case SERIAL_GETPHONY: 1365 CP_DEBUG2 (d, ("ioctl: getphony\n")); 1366 if (c->type != T_E1) 1367 return EINVAL; 1368 *(int*)data = c->phony; 1369 return 0; 1370 1371 case SERIAL_SETPHONY: 1372 CP_DEBUG2 (d, ("ioctl: setphony\n")); 1373 /* Only for superuser! */ 1374 error = priv_check (td, PRIV_DRIVER); 1375 if (error) 1376 return error; 1377 if (c->type != T_E1) 1378 return EINVAL; 1379 s = splimp (); 1380 CP_LOCK (bd); 1381 cp_set_phony (c, *(int*)data); 1382 CP_UNLOCK (bd); 1383 splx (s); 1384 return 0; 1385 1386 case SERIAL_GETUNFRAM: 1387 CP_DEBUG2 (d, ("ioctl: getunfram\n")); 1388 if (c->type != T_E1) 1389 return EINVAL; 1390 *(int*)data = c->unfram; 1391 return 0; 1392 1393 case SERIAL_SETUNFRAM: 1394 CP_DEBUG2 (d, ("ioctl: setunfram\n")); 1395 /* Only for superuser! */ 1396 error = priv_check (td, PRIV_DRIVER); 1397 if (error) 1398 return error; 1399 if (c->type != T_E1) 1400 return EINVAL; 1401 s = splimp (); 1402 CP_LOCK (bd); 1403 cp_set_unfram (c, *(int*)data); 1404 CP_UNLOCK (bd); 1405 splx (s); 1406 return 0; 1407 1408 case SERIAL_GETSCRAMBLER: 1409 CP_DEBUG2 (d, ("ioctl: getscrambler\n")); 1410 if (c->type != T_G703 && !c->unfram) 1411 return EINVAL; 1412 *(int*)data = c->scrambler; 1413 return 0; 1414 1415 case SERIAL_SETSCRAMBLER: 1416 CP_DEBUG2 (d, ("ioctl: setscrambler\n")); 1417 /* Only for superuser! */ 1418 error = priv_check (td, PRIV_DRIVER); 1419 if (error) 1420 return error; 1421 if (c->type != T_G703 && !c->unfram) 1422 return EINVAL; 1423 s = splimp (); 1424 CP_LOCK (bd); 1425 cp_set_scrambler (c, *(int*)data); 1426 CP_UNLOCK (bd); 1427 splx (s); 1428 return 0; 1429 1430 case SERIAL_GETMONITOR: 1431 CP_DEBUG2 (d, ("ioctl: getmonitor\n")); 1432 if (c->type != T_E1 && 1433 c->type != T_E3 && 1434 c->type != T_T3 && 1435 c->type != T_STS1) 1436 return EINVAL; 1437 *(int*)data = c->monitor; 1438 return 0; 1439 1440 case SERIAL_SETMONITOR: 1441 CP_DEBUG2 (d, ("ioctl: setmonitor\n")); 1442 /* Only for superuser! */ 1443 error = priv_check (td, PRIV_DRIVER); 1444 if (error) 1445 return error; 1446 if (c->type != T_E1) 1447 return EINVAL; 1448 s = splimp (); 1449 CP_LOCK (bd); 1450 cp_set_monitor (c, *(int*)data); 1451 CP_UNLOCK (bd); 1452 splx (s); 1453 return 0; 1454 1455 case SERIAL_GETUSE16: 1456 CP_DEBUG2 (d, ("ioctl: getuse16\n")); 1457 if (c->type != T_E1 || c->unfram) 1458 return EINVAL; 1459 *(int*)data = c->use16; 1460 return 0; 1461 1462 case SERIAL_SETUSE16: 1463 CP_DEBUG2 (d, ("ioctl: setuse16\n")); 1464 /* Only for superuser! */ 1465 error = priv_check (td, PRIV_DRIVER); 1466 if (error) 1467 return error; 1468 if (c->type != T_E1) 1469 return EINVAL; 1470 s = splimp (); 1471 CP_LOCK (bd); 1472 cp_set_use16 (c, *(int*)data); 1473 CP_UNLOCK (bd); 1474 splx (s); 1475 return 0; 1476 1477 case SERIAL_GETCRC4: 1478 CP_DEBUG2 (d, ("ioctl: getcrc4\n")); 1479 if (c->type != T_E1 || c->unfram) 1480 return EINVAL; 1481 *(int*)data = c->crc4; 1482 return 0; 1483 1484 case SERIAL_SETCRC4: 1485 CP_DEBUG2 (d, ("ioctl: setcrc4\n")); 1486 /* Only for superuser! */ 1487 error = priv_check (td, PRIV_DRIVER); 1488 if (error) 1489 return error; 1490 if (c->type != T_E1) 1491 return EINVAL; 1492 s = splimp (); 1493 CP_LOCK (bd); 1494 cp_set_crc4 (c, *(int*)data); 1495 CP_UNLOCK (bd); 1496 splx (s); 1497 return 0; 1498 1499 case SERIAL_GETCLK: 1500 CP_DEBUG2 (d, ("ioctl: getclk\n")); 1501 if (c->type != T_E1 && 1502 c->type != T_G703 && 1503 c->type != T_E3 && 1504 c->type != T_T3 && 1505 c->type != T_STS1) 1506 return EINVAL; 1507 switch (c->gsyn) { 1508 default: *(int*)data = E1CLK_INTERNAL; break; 1509 case GSYN_RCV: *(int*)data = E1CLK_RECEIVE; break; 1510 case GSYN_RCV0: *(int*)data = E1CLK_RECEIVE_CHAN0; break; 1511 case GSYN_RCV1: *(int*)data = E1CLK_RECEIVE_CHAN1; break; 1512 case GSYN_RCV2: *(int*)data = E1CLK_RECEIVE_CHAN2; break; 1513 case GSYN_RCV3: *(int*)data = E1CLK_RECEIVE_CHAN3; break; 1514 } 1515 return 0; 1516 1517 case SERIAL_SETCLK: 1518 CP_DEBUG2 (d, ("ioctl: setclk\n")); 1519 /* Only for superuser! */ 1520 error = priv_check (td, PRIV_DRIVER); 1521 if (error) 1522 return error; 1523 if (c->type != T_E1 && 1524 c->type != T_G703 && 1525 c->type != T_E3 && 1526 c->type != T_T3 && 1527 c->type != T_STS1) 1528 return EINVAL; 1529 s = splimp (); 1530 CP_LOCK (bd); 1531 switch (*(int*)data) { 1532 default: cp_set_gsyn (c, GSYN_INT); break; 1533 case E1CLK_RECEIVE: cp_set_gsyn (c, GSYN_RCV); break; 1534 case E1CLK_RECEIVE_CHAN0: cp_set_gsyn (c, GSYN_RCV0); break; 1535 case E1CLK_RECEIVE_CHAN1: cp_set_gsyn (c, GSYN_RCV1); break; 1536 case E1CLK_RECEIVE_CHAN2: cp_set_gsyn (c, GSYN_RCV2); break; 1537 case E1CLK_RECEIVE_CHAN3: cp_set_gsyn (c, GSYN_RCV3); break; 1538 } 1539 CP_UNLOCK (bd); 1540 splx (s); 1541 return 0; 1542 1543 case SERIAL_GETTIMESLOTS: 1544 CP_DEBUG2 (d, ("ioctl: gettimeslots\n")); 1545 if ((c->type != T_E1 || c->unfram) && c->type != T_DATA) 1546 return EINVAL; 1547 *(u_long*)data = c->ts; 1548 return 0; 1549 1550 case SERIAL_SETTIMESLOTS: 1551 CP_DEBUG2 (d, ("ioctl: settimeslots\n")); 1552 /* Only for superuser! */ 1553 error = priv_check (td, PRIV_DRIVER); 1554 if (error) 1555 return error; 1556 if ((c->type != T_E1 || c->unfram) && c->type != T_DATA) 1557 return EINVAL; 1558 s = splimp (); 1559 CP_LOCK (bd); 1560 cp_set_ts (c, *(u_long*)data); 1561 CP_UNLOCK (bd); 1562 splx (s); 1563 return 0; 1564 1565 case SERIAL_GETINVCLK: 1566 CP_DEBUG2 (d, ("ioctl: getinvclk\n")); 1567#if 1 1568 return EINVAL; 1569#else 1570 if (c->type != T_SERIAL) 1571 return EINVAL; 1572 *(int*)data = c->invtxc; 1573 return 0; 1574#endif 1575 1576 case SERIAL_SETINVCLK: 1577 CP_DEBUG2 (d, ("ioctl: setinvclk\n")); 1578 /* Only for superuser! */ 1579 error = priv_check (td, PRIV_DRIVER); 1580 if (error) 1581 return error; 1582 if (c->type != T_SERIAL) 1583 return EINVAL; 1584 s = splimp (); 1585 CP_LOCK (bd); 1586 cp_set_invtxc (c, *(int*)data); 1587 cp_set_invrxc (c, *(int*)data); 1588 CP_UNLOCK (bd); 1589 splx (s); 1590 return 0; 1591 1592 case SERIAL_GETINVTCLK: 1593 CP_DEBUG2 (d, ("ioctl: getinvtclk\n")); 1594 if (c->type != T_SERIAL) 1595 return EINVAL; 1596 *(int*)data = c->invtxc; 1597 return 0; 1598 1599 case SERIAL_SETINVTCLK: 1600 CP_DEBUG2 (d, ("ioctl: setinvtclk\n")); 1601 /* Only for superuser! */ 1602 error = priv_check (td, PRIV_DRIVER); 1603 if (error) 1604 return error; 1605 if (c->type != T_SERIAL) 1606 return EINVAL; 1607 s = splimp (); 1608 CP_LOCK (bd); 1609 cp_set_invtxc (c, *(int*)data); 1610 CP_UNLOCK (bd); 1611 splx (s); 1612 return 0; 1613 1614 case SERIAL_GETINVRCLK: 1615 CP_DEBUG2 (d, ("ioctl: getinvrclk\n")); 1616 if (c->type != T_SERIAL) 1617 return EINVAL; 1618 *(int*)data = c->invrxc; 1619 return 0; 1620 1621 case SERIAL_SETINVRCLK: 1622 CP_DEBUG2 (d, ("ioctl: setinvrclk\n")); 1623 /* Only for superuser! */ 1624 error = priv_check (td, PRIV_DRIVER); 1625 if (error) 1626 return error; 1627 if (c->type != T_SERIAL) 1628 return EINVAL; 1629 s = splimp (); 1630 CP_LOCK (bd); 1631 cp_set_invrxc (c, *(int*)data); 1632 CP_UNLOCK (bd); 1633 splx (s); 1634 return 0; 1635 1636 case SERIAL_GETLEVEL: 1637 CP_DEBUG2 (d, ("ioctl: getlevel\n")); 1638 if (c->type != T_G703) 1639 return EINVAL; 1640 s = splimp (); 1641 CP_LOCK (bd); 1642 *(int*)data = cp_get_lq (c); 1643 CP_UNLOCK (bd); 1644 splx (s); 1645 return 0; 1646 1647#if 0 1648 case SERIAL_RESET: 1649 CP_DEBUG2 (d, ("ioctl: reset\n")); 1650 /* Only for superuser! */ 1651 error = priv_check (td, PRIV_DRIVER); 1652 if (error) 1653 return error; 1654 s = splimp (); 1655 CP_LOCK (bd); 1656 cp_reset (c->board, 0, 0); 1657 CP_UNLOCK (bd); 1658 splx (s); 1659 return 0; 1660 1661 case SERIAL_HARDRESET: 1662 CP_DEBUG2 (d, ("ioctl: hardreset\n")); 1663 /* Only for superuser! */ 1664 error = priv_check (td, PRIV_DRIVER); 1665 if (error) 1666 return error; 1667 s = splimp (); 1668 CP_LOCK (bd); 1669 /* hard_reset (c->board); */ 1670 CP_UNLOCK (bd); 1671 splx (s); 1672 return 0; 1673#endif 1674 1675 case SERIAL_GETCABLE: 1676 CP_DEBUG2 (d, ("ioctl: getcable\n")); 1677 if (c->type != T_SERIAL) 1678 return EINVAL; 1679 s = splimp (); 1680 CP_LOCK (bd); 1681 *(int*)data = cp_get_cable (c); 1682 CP_UNLOCK (bd); 1683 splx (s); 1684 return 0; 1685 1686 case SERIAL_GETDIR: 1687 CP_DEBUG2 (d, ("ioctl: getdir\n")); 1688 if (c->type != T_E1 && c->type != T_DATA) 1689 return EINVAL; 1690 *(int*)data = c->dir; 1691 return 0; 1692 1693 case SERIAL_SETDIR: 1694 CP_DEBUG2 (d, ("ioctl: setdir\n")); 1695 /* Only for superuser! */ 1696 error = priv_check (td, PRIV_DRIVER); 1697 if (error) 1698 return error; 1699 s = splimp (); 1700 CP_LOCK (bd); 1701 cp_set_dir (c, *(int*)data); 1702 CP_UNLOCK (bd); 1703 splx (s); 1704 return 0; 1705 1706 case SERIAL_GETRLOOP: 1707 CP_DEBUG2 (d, ("ioctl: getrloop\n")); 1708 if (c->type != T_G703 && 1709 c->type != T_E3 && 1710 c->type != T_T3 && 1711 c->type != T_STS1) 1712 return EINVAL; 1713 *(int*)data = cp_get_rloop (c); 1714 return 0; 1715 1716 case SERIAL_SETRLOOP: 1717 CP_DEBUG2 (d, ("ioctl: setloop\n")); 1718 if (c->type != T_E3 && c->type != T_T3 && c->type != T_STS1) 1719 return EINVAL; 1720 /* Only for superuser! */ 1721 error = priv_check (td, PRIV_DRIVER); 1722 if (error) 1723 return error; 1724 s = splimp (); 1725 CP_LOCK (bd); 1726 cp_set_rloop (c, *(int*)data); 1727 CP_UNLOCK (bd); 1728 splx (s); 1729 return 0; 1730 1731 case SERIAL_GETCABLEN: 1732 CP_DEBUG2 (d, ("ioctl: getcablen\n")); 1733 if (c->type != T_T3 && c->type != T_STS1) 1734 return EINVAL; 1735 *(int*)data = c->cablen; 1736 return 0; 1737 1738 case SERIAL_SETCABLEN: 1739 CP_DEBUG2 (d, ("ioctl: setloop\n")); 1740 if (c->type != T_T3 && c->type != T_STS1) 1741 return EINVAL; 1742 /* Only for superuser! */ 1743 error = priv_check (td, PRIV_DRIVER); 1744 if (error) 1745 return error; 1746 s = splimp (); 1747 CP_LOCK (bd); 1748 cp_set_cablen (c, *(int*)data); 1749 CP_UNLOCK (bd); 1750 splx (s); 1751 return 0; 1752 1753 case TIOCSDTR: /* Set DTR */ 1754 s = splimp (); 1755 CP_LOCK (bd); 1756 cp_set_dtr (c, 1); 1757 CP_UNLOCK (bd); 1758 splx (s); 1759 return 0; 1760 1761 case TIOCCDTR: /* Clear DTR */ 1762 s = splimp (); 1763 CP_LOCK (bd); 1764 cp_set_dtr (c, 0); 1765 CP_UNLOCK (bd); 1766 splx (s); 1767 return 0; 1768 1769 case TIOCMSET: /* Set DTR/RTS */ 1770 s = splimp (); 1771 CP_LOCK (bd); 1772 cp_set_dtr (c, (*(int*)data & TIOCM_DTR) ? 1 : 0); 1773 cp_set_rts (c, (*(int*)data & TIOCM_RTS) ? 1 : 0); 1774 CP_UNLOCK (bd); 1775 splx (s); 1776 return 0; 1777 1778 case TIOCMBIS: /* Add DTR/RTS */ 1779 s = splimp (); 1780 CP_LOCK (bd); 1781 if (*(int*)data & TIOCM_DTR) cp_set_dtr (c, 1); 1782 if (*(int*)data & TIOCM_RTS) cp_set_rts (c, 1); 1783 CP_UNLOCK (bd); 1784 splx (s); 1785 return 0; 1786 1787 case TIOCMBIC: /* Clear DTR/RTS */ 1788 s = splimp (); 1789 CP_LOCK (bd); 1790 if (*(int*)data & TIOCM_DTR) cp_set_dtr (c, 0); 1791 if (*(int*)data & TIOCM_RTS) cp_set_rts (c, 0); 1792 CP_UNLOCK (bd); 1793 splx (s); 1794 return 0; 1795 1796 case TIOCMGET: /* Get modem status */ 1797 *(int*)data = cp_modem_status (c); 1798 return 0; 1799 } 1800 return ENOTTY; 1801} 1802 1803#ifdef NETGRAPH 1804static int ng_cp_constructor (node_p node) 1805{ 1806 drv_t *d = NG_NODE_PRIVATE (node); 1807 CP_DEBUG (d, ("Constructor\n")); 1808 return EINVAL; 1809} 1810 1811static int ng_cp_newhook (node_p node, hook_p hook, const char *name) 1812{ 1813 int s; 1814 drv_t *d = NG_NODE_PRIVATE (node); 1815 bdrv_t *bd = d->board->sys; 1816 1817 CP_DEBUG (d, ("Newhook\n")); 1818 /* Attach debug hook */ 1819 if (strcmp (name, NG_CP_HOOK_DEBUG) == 0) { 1820 NG_HOOK_SET_PRIVATE (hook, NULL); 1821 d->debug_hook = hook; 1822 return 0; 1823 } 1824 1825 /* Check for raw hook */ 1826 if (strcmp (name, NG_CP_HOOK_RAW) != 0) 1827 return EINVAL; 1828 1829 NG_HOOK_SET_PRIVATE (hook, d); 1830 d->hook = hook; 1831 s = splimp (); 1832 CP_LOCK (bd); 1833 cp_up (d); 1834 CP_UNLOCK (bd); 1835 splx (s); 1836 return 0; 1837} 1838 1839static char *format_timeslots (u_long s) 1840{ 1841 static char buf [100]; 1842 char *p = buf; 1843 int i; 1844 1845 for (i=1; i<32; ++i) 1846 if ((s >> i) & 1) { 1847 int prev = (i > 1) & (s >> (i-1)); 1848 int next = (i < 31) & (s >> (i+1)); 1849 1850 if (prev) { 1851 if (next) 1852 continue; 1853 *p++ = '-'; 1854 } else if (p > buf) 1855 *p++ = ','; 1856 1857 if (i >= 10) 1858 *p++ = '0' + i / 10; 1859 *p++ = '0' + i % 10; 1860 } 1861 *p = 0; 1862 return buf; 1863} 1864 1865static int print_modems (char *s, cp_chan_t *c, int need_header) 1866{ 1867 int status = cp_modem_status (c); 1868 int length = 0; 1869 1870 if (need_header) 1871 length += sprintf (s + length, " LE DTR DSR RTS CTS CD\n"); 1872 length += sprintf (s + length, "%4s %4s %4s %4s %4s %4s\n", 1873 status & TIOCM_LE ? "On" : "-", 1874 status & TIOCM_DTR ? "On" : "-", 1875 status & TIOCM_DSR ? "On" : "-", 1876 status & TIOCM_RTS ? "On" : "-", 1877 status & TIOCM_CTS ? "On" : "-", 1878 status & TIOCM_CD ? "On" : "-"); 1879 return length; 1880} 1881 1882static int print_stats (char *s, cp_chan_t *c, int need_header) 1883{ 1884 int length = 0; 1885 1886 if (need_header) 1887 length += sprintf (s + length, " Rintr Tintr Mintr Ibytes Ipkts Ierrs Obytes Opkts Oerrs\n"); 1888 length += sprintf (s + length, "%7ld %7ld %7ld %8lu %7ld %7ld %8lu %7ld %7ld\n", 1889 c->rintr, c->tintr, 0l, (unsigned long) c->ibytes, 1890 c->ipkts, c->overrun + c->frame + c->crc, 1891 (unsigned long) c->obytes, c->opkts, c->underrun); 1892 return length; 1893} 1894 1895static char *format_e1_status (u_char status) 1896{ 1897 static char buf [80]; 1898 1899 if (status & E1_NOALARM) 1900 return "Ok"; 1901 buf[0] = 0; 1902 if (status & E1_LOS) strcat (buf, ",LOS"); 1903 if (status & E1_AIS) strcat (buf, ",AIS"); 1904 if (status & E1_LOF) strcat (buf, ",LOF"); 1905 if (status & E1_LOMF) strcat (buf, ",LOMF"); 1906 if (status & E1_FARLOF) strcat (buf, ",FARLOF"); 1907 if (status & E1_AIS16) strcat (buf, ",AIS16"); 1908 if (status & E1_FARLOMF) strcat (buf, ",FARLOMF"); 1909 if (status & E1_TSTREQ) strcat (buf, ",TSTREQ"); 1910 if (status & E1_TSTERR) strcat (buf, ",TSTERR"); 1911 if (buf[0] == ',') 1912 return buf+1; 1913 return "Unknown"; 1914} 1915 1916static int print_frac (char *s, int leftalign, u_long numerator, u_long divider) 1917{ 1918 int n, length = 0; 1919 1920 if (numerator < 1 || divider < 1) { 1921 length += sprintf (s+length, leftalign ? "/- " : " -"); 1922 return length; 1923 } 1924 n = (int) (0.5 + 1000.0 * numerator / divider); 1925 if (n < 1000) { 1926 length += sprintf (s+length, leftalign ? "/.%-3d" : " .%03d", n); 1927 return length; 1928 } 1929 *(s + length) = leftalign ? '/' : ' '; 1930 length ++; 1931 1932 if (n >= 1000000) n = (n+500) / 1000 * 1000; 1933 else if (n >= 100000) n = (n+50) / 100 * 100; 1934 else if (n >= 10000) n = (n+5) / 10 * 10; 1935 1936 switch (n) { 1937 case 1000: length += printf (s+length, ".999"); return length; 1938 case 10000: n = 9990; break; 1939 case 100000: n = 99900; break; 1940 case 1000000: n = 999000; break; 1941 } 1942 if (n < 10000) length += sprintf (s+length, "%d.%d", n/1000, n/10%100); 1943 else if (n < 100000) length += sprintf (s+length, "%d.%d", n/1000, n/100%10); 1944 else if (n < 1000000) length += sprintf (s+length, "%d.", n/1000); 1945 else length += sprintf (s+length, "%d", n/1000); 1946 1947 return length; 1948} 1949 1950static int print_e1_stats (char *s, cp_chan_t *c) 1951{ 1952 struct e1_counters total; 1953 u_long totsec; 1954 int length = 0; 1955 1956 totsec = c->totsec + c->cursec; 1957 total.bpv = c->total.bpv + c->currnt.bpv; 1958 total.fse = c->total.fse + c->currnt.fse; 1959 total.crce = c->total.crce + c->currnt.crce; 1960 total.rcrce = c->total.rcrce + c->currnt.rcrce; 1961 total.uas = c->total.uas + c->currnt.uas; 1962 total.les = c->total.les + c->currnt.les; 1963 total.es = c->total.es + c->currnt.es; 1964 total.bes = c->total.bes + c->currnt.bes; 1965 total.ses = c->total.ses + c->currnt.ses; 1966 total.oofs = c->total.oofs + c->currnt.oofs; 1967 total.css = c->total.css + c->currnt.css; 1968 total.dm = c->total.dm + c->currnt.dm; 1969 1970 length += sprintf (s + length, " Unav/Degr Bpv/Fsyn CRC/RCRC Err/Lerr Sev/Bur Oof/Slp Status\n"); 1971 1972 /* Unavailable seconds, degraded minutes */ 1973 length += print_frac (s + length, 0, c->currnt.uas, c->cursec); 1974 length += print_frac (s + length, 1, 60 * c->currnt.dm, c->cursec); 1975 1976 /* Bipolar violations, frame sync errors */ 1977 length += print_frac (s + length, 0, c->currnt.bpv, c->cursec); 1978 length += print_frac (s + length, 1, c->currnt.fse, c->cursec); 1979 1980 /* CRC errors, remote CRC errors (E-bit) */ 1981 length += print_frac (s + length, 0, c->currnt.crce, c->cursec); 1982 length += print_frac (s + length, 1, c->currnt.rcrce, c->cursec); 1983 1984 /* Errored seconds, line errored seconds */ 1985 length += print_frac (s + length, 0, c->currnt.es, c->cursec); 1986 length += print_frac (s + length, 1, c->currnt.les, c->cursec); 1987 1988 /* Severely errored seconds, burst errored seconds */ 1989 length += print_frac (s + length, 0, c->currnt.ses, c->cursec); 1990 length += print_frac (s + length, 1, c->currnt.bes, c->cursec); 1991 1992 /* Out of frame seconds, controlled slip seconds */ 1993 length += print_frac (s + length, 0, c->currnt.oofs, c->cursec); 1994 length += print_frac (s + length, 1, c->currnt.css, c->cursec); 1995 1996 length += sprintf (s + length, " %s\n", format_e1_status (c->status)); 1997 1998 /* Print total statistics. */ 1999 length += print_frac (s + length, 0, total.uas, totsec); 2000 length += print_frac (s + length, 1, 60 * total.dm, totsec); 2001 2002 length += print_frac (s + length, 0, total.bpv, totsec); 2003 length += print_frac (s + length, 1, total.fse, totsec); 2004 2005 length += print_frac (s + length, 0, total.crce, totsec); 2006 length += print_frac (s + length, 1, total.rcrce, totsec); 2007 2008 length += print_frac (s + length, 0, total.es, totsec); 2009 length += print_frac (s + length, 1, total.les, totsec); 2010 2011 length += print_frac (s + length, 0, total.ses, totsec); 2012 length += print_frac (s + length, 1, total.bes, totsec); 2013 2014 length += print_frac (s + length, 0, total.oofs, totsec); 2015 length += print_frac (s + length, 1, total.css, totsec); 2016 2017 length += sprintf (s + length, " -- Total\n"); 2018 return length; 2019} 2020 2021static int print_chan (char *s, cp_chan_t *c) 2022{ 2023 drv_t *d = c->sys; 2024 bdrv_t *bd = d->board->sys; 2025 int length = 0; 2026 2027 length += sprintf (s + length, "cp%d", c->board->num * NCHAN + c->num); 2028 if (d->chan->debug) 2029 length += sprintf (s + length, " debug=%d", d->chan->debug); 2030 2031 if (c->board->mux) { 2032 length += sprintf (s + length, " cfg=C"); 2033 } else { 2034 length += sprintf (s + length, " cfg=A"); 2035 } 2036 2037 if (c->baud) 2038 length += sprintf (s + length, " %ld", c->baud); 2039 else 2040 length += sprintf (s + length, " extclock"); 2041 2042 if (c->type == T_E1 || c->type == T_G703) 2043 switch (c->gsyn) { 2044 case GSYN_INT : length += sprintf (s + length, " syn=int"); break; 2045 case GSYN_RCV : length += sprintf (s + length, " syn=rcv"); break; 2046 case GSYN_RCV0 : length += sprintf (s + length, " syn=rcv0"); break; 2047 case GSYN_RCV1 : length += sprintf (s + length, " syn=rcv1"); break; 2048 case GSYN_RCV2 : length += sprintf (s + length, " syn=rcv2"); break; 2049 case GSYN_RCV3 : length += sprintf (s + length, " syn=rcv3"); break; 2050 } 2051 if (c->type == T_SERIAL) { 2052 length += sprintf (s + length, " dpll=%s", c->dpll ? "on" : "off"); 2053 length += sprintf (s + length, " nrzi=%s", c->nrzi ? "on" : "off"); 2054 length += sprintf (s + length, " invclk=%s", c->invtxc ? "on" : "off"); 2055 } 2056 if (c->type == T_E1) 2057 length += sprintf (s + length, " higain=%s", c->higain ? "on" : "off"); 2058 2059 length += sprintf (s + length, " loop=%s", c->lloop ? "on" : "off"); 2060 2061 if (c->type == T_E1) 2062 length += sprintf (s + length, " ts=%s", format_timeslots (c->ts)); 2063 if (c->type == T_G703) { 2064 int lq, x; 2065 2066 x = splimp (); 2067 CP_LOCK (bd); 2068 lq = cp_get_lq (c); 2069 CP_UNLOCK (bd); 2070 splx (x); 2071 length += sprintf (s + length, " (level=-%.1fdB)", lq / 10.0); 2072 } 2073 length += sprintf (s + length, "\n"); 2074 return length; 2075} 2076 2077static int ng_cp_rcvmsg (node_p node, item_p item, hook_p lasthook) 2078{ 2079 drv_t *d = NG_NODE_PRIVATE (node); 2080 struct ng_mesg *msg; 2081 struct ng_mesg *resp = NULL; 2082 int error = 0; 2083 2084 CP_DEBUG (d, ("Rcvmsg\n")); 2085 NGI_GET_MSG (item, msg); 2086 switch (msg->header.typecookie) { 2087 default: 2088 error = EINVAL; 2089 break; 2090 2091 case NGM_CP_COOKIE: 2092 printf ("Not implemented yet\n"); 2093 error = EINVAL; 2094 break; 2095 2096 case NGM_GENERIC_COOKIE: 2097 switch (msg->header.cmd) { 2098 default: 2099 error = EINVAL; 2100 break; 2101 2102 case NGM_TEXT_STATUS: { 2103 char *s; 2104 int l = 0; 2105 int dl = sizeof (struct ng_mesg) + 730; 2106 2107 NG_MKRESPONSE (resp, msg, dl, M_NOWAIT); 2108 if (! resp) { 2109 error = ENOMEM; 2110 break; 2111 } 2112 s = (resp)->data; 2113 if (d) { 2114 l += print_chan (s + l, d->chan); 2115 l += print_stats (s + l, d->chan, 1); 2116 l += print_modems (s + l, d->chan, 1); 2117 l += print_e1_stats (s + l, d->chan); 2118 } else 2119 l += sprintf (s + l, "Error: node not connect to channel"); 2120 strncpy ((resp)->header.cmdstr, "status", NG_CMDSTRSIZ); 2121 } 2122 break; 2123 } 2124 break; 2125 } 2126 NG_RESPOND_MSG (error, node, item, resp); 2127 NG_FREE_MSG (msg); 2128 return error; 2129} 2130 2131static int ng_cp_rcvdata (hook_p hook, item_p item) 2132{ 2133 drv_t *d = NG_NODE_PRIVATE (NG_HOOK_NODE(hook)); 2134 struct mbuf *m; 2135 struct ng_tag_prio *ptag; 2136 bdrv_t *bd = d->board->sys; 2137 struct ifqueue *q; 2138 int s; 2139 2140 CP_DEBUG2 (d, ("Rcvdata\n")); 2141 NGI_GET_M (item, m); 2142 NG_FREE_ITEM (item); 2143 if (! NG_HOOK_PRIVATE (hook) || ! d) { 2144 NG_FREE_M (m); 2145 return ENETDOWN; 2146 } 2147 2148 /* Check for high priority data */ 2149 if ((ptag = (struct ng_tag_prio *)m_tag_locate(m, NGM_GENERIC_COOKIE, 2150 NG_TAG_PRIO, NULL)) != NULL && (ptag->priority > NG_PRIO_CUTOFF) ) 2151 q = &d->hi_queue; 2152 else 2153 q = &d->queue; 2154 2155 s = splimp (); 2156 CP_LOCK (bd); 2157 IF_LOCK (q); 2158 if (_IF_QFULL (q)) { 2159 _IF_DROP (q); 2160 IF_UNLOCK (q); 2161 CP_UNLOCK (bd); 2162 splx (s); 2163 NG_FREE_M (m); 2164 return ENOBUFS; 2165 } 2166 _IF_ENQUEUE (q, m); 2167 IF_UNLOCK (q); 2168 cp_start (d); 2169 CP_UNLOCK (bd); 2170 splx (s); 2171 return 0; 2172} 2173 2174static int ng_cp_rmnode (node_p node) 2175{ 2176 drv_t *d = NG_NODE_PRIVATE (node); 2177 2178 CP_DEBUG (d, ("Rmnode\n")); 2179 if (d && d->running) { 2180 bdrv_t *bd = d->board->sys; 2181 int s = splimp (); 2182 CP_LOCK (bd); 2183 cp_down (d); 2184 CP_UNLOCK (bd); 2185 splx (s); 2186 } 2187#ifdef KLD_MODULE 2188 if (node->nd_flags & NGF_REALLY_DIE) { 2189 NG_NODE_SET_PRIVATE (node, NULL); 2190 NG_NODE_UNREF (node); 2191 } 2192 NG_NODE_REVIVE(node); /* Persistant node */ 2193#endif 2194 return 0; 2195} 2196 2197static int ng_cp_connect (hook_p hook) 2198{ 2199 drv_t *d = NG_NODE_PRIVATE (NG_HOOK_NODE (hook)); 2200 2201 if (d) { 2202 CP_DEBUG (d, ("Connect\n")); 2203 callout_reset (&d->timeout_handle, hz, cp_watchdog_timer, d); 2204 } 2205 2206 return 0; 2207} 2208 2209static int ng_cp_disconnect (hook_p hook) 2210{ 2211 drv_t *d = NG_NODE_PRIVATE (NG_HOOK_NODE (hook)); 2212 2213 if (d) { 2214 CP_DEBUG (d, ("Disconnect\n")); 2215 if (NG_HOOK_PRIVATE (hook)) 2216 { 2217 bdrv_t *bd = d->board->sys; 2218 int s = splimp (); 2219 CP_LOCK (bd); 2220 cp_down (d); 2221 CP_UNLOCK (bd); 2222 splx (s); 2223 } 2224 /* If we were wait it than it reasserted now, just stop it. */ 2225 if (!callout_drain (&d->timeout_handle)) 2226 callout_stop (&d->timeout_handle); 2227 } 2228 return 0; 2229} 2230#endif 2231 2232static int cp_modevent (module_t mod, int type, void *unused) 2233{ 2234 static int load_count = 0; 2235 2236 switch (type) { 2237 case MOD_LOAD: 2238#ifdef NETGRAPH 2239 if (ng_newtype (&typestruct)) 2240 printf ("Failed to register ng_cp\n"); 2241#endif 2242 ++load_count; 2243 callout_init (&timeout_handle, 1); 2244 callout_reset (&timeout_handle, hz*5, cp_timeout, 0); 2245 break; 2246 case MOD_UNLOAD: 2247 if (load_count == 1) { 2248 printf ("Removing device entry for Tau-PCI\n"); 2249#ifdef NETGRAPH 2250 ng_rmtype (&typestruct); 2251#endif 2252 } 2253 /* If we were wait it than it reasserted now, just stop it. 2254 * Actually we shouldn't get this condition. But code could be 2255 * changed in the future, so just be a litle paranoid. 2256 */ 2257 if (!callout_drain (&timeout_handle)) 2258 callout_stop (&timeout_handle); 2259 --load_count; 2260 break; 2261 case MOD_SHUTDOWN: 2262 break; 2263 } 2264 return 0; 2265} 2266 2267#ifdef NETGRAPH 2268static struct ng_type typestruct = { 2269 .version = NG_ABI_VERSION, 2270 .name = NG_CP_NODE_TYPE, 2271 .constructor = ng_cp_constructor, 2272 .rcvmsg = ng_cp_rcvmsg, 2273 .shutdown = ng_cp_rmnode, 2274 .newhook = ng_cp_newhook, 2275 .connect = ng_cp_connect, 2276 .rcvdata = ng_cp_rcvdata, 2277 .disconnect = ng_cp_disconnect, 2278}; 2279#endif /*NETGRAPH*/ 2280 2281#ifdef NETGRAPH 2282MODULE_DEPEND (ng_cp, netgraph, NG_ABI_VERSION, NG_ABI_VERSION, NG_ABI_VERSION); 2283#else 2284MODULE_DEPEND (cp, sppp, 1, 1, 1); 2285#endif 2286DRIVER_MODULE (cp, pci, cp_driver, cp_devclass, cp_modevent, NULL); 2287MODULE_VERSION (cp, 1); 2288