if_cp.c revision 199407
1/*- 2 * Cronyx-Tau-PCI adapter driver for FreeBSD. 3 * Supports PPP/HDLC, Cisco/HDLC and FrameRelay protocol in synchronous mode, 4 * and asyncronous channels with full modem control. 5 * Keepalive protocol implemented in both Cisco and PPP modes. 6 * 7 * Copyright (C) 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 199407 2009-11-17 16:43:02Z jhb $"); 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 {0, 0} 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_DONTWAIT, MT_DATA); 207 if (! m) 208 return 0; 209 MCLGET (m, M_DONTWAIT); 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], CALLOUT_MPSAFE); 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, CALLOUT_MPSAFE); 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 = IFQ_MAXLEN; 509 d->hi_queue.ifq_maxlen = IFQ_MAXLEN; 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 } else if (! strcmp ("fr", (char*)data) && PP_FR) { 1056 d->ifp->if_flags &= ~(PP_CISCO); 1057 IFP2SP(d->ifp)->pp_flags |= PP_FR | PP_KEEPALIVE; 1058 } else if (! strcmp ("ppp", (char*)data)) { 1059 IFP2SP(d->ifp)->pp_flags &= ~PP_FR; 1060 IFP2SP(d->ifp)->pp_flags &= ~PP_KEEPALIVE; 1061 d->ifp->if_flags &= ~(PP_CISCO); 1062 } else 1063 return EINVAL; 1064 return 0; 1065 1066 case SERIAL_GETKEEPALIVE: 1067 CP_DEBUG2 (d, ("ioctl: getkeepalive\n")); 1068 if ((IFP2SP(d->ifp)->pp_flags & PP_FR) || 1069 (d->ifp->if_flags & PP_CISCO)) 1070 return EINVAL; 1071 *(int*)data = (IFP2SP(d->ifp)->pp_flags & PP_KEEPALIVE) ? 1 : 0; 1072 return 0; 1073 1074 case SERIAL_SETKEEPALIVE: 1075 CP_DEBUG2 (d, ("ioctl: setkeepalive\n")); 1076 /* Only for superuser! */ 1077 error = priv_check (td, PRIV_DRIVER); 1078 if (error) 1079 return error; 1080 if ((IFP2SP(d->ifp)->pp_flags & PP_FR) || 1081 (d->ifp->if_flags & PP_CISCO)) 1082 return EINVAL; 1083 s = splimp (); 1084 CP_LOCK (bd); 1085 if (*(int*)data) 1086 IFP2SP(d->ifp)->pp_flags |= PP_KEEPALIVE; 1087 else 1088 IFP2SP(d->ifp)->pp_flags &= ~PP_KEEPALIVE; 1089 CP_UNLOCK (bd); 1090 splx (s); 1091 return 0; 1092#endif /*NETGRAPH*/ 1093 1094 case SERIAL_GETMODE: 1095 CP_DEBUG2 (d, ("ioctl: getmode\n")); 1096 *(int*)data = SERIAL_HDLC; 1097 return 0; 1098 1099 case SERIAL_SETMODE: 1100 /* Only for superuser! */ 1101 error = priv_check (td, PRIV_DRIVER); 1102 if (error) 1103 return error; 1104 if (*(int*)data != SERIAL_HDLC) 1105 return EINVAL; 1106 return 0; 1107 1108 case SERIAL_GETCFG: 1109 CP_DEBUG2 (d, ("ioctl: getcfg\n")); 1110 if (c->type != T_E1 || c->unfram) 1111 return EINVAL; 1112 *(char*)data = c->board->mux ? 'c' : 'a'; 1113 return 0; 1114 1115 case SERIAL_SETCFG: 1116 CP_DEBUG2 (d, ("ioctl: setcfg\n")); 1117 error = priv_check (td, PRIV_DRIVER); 1118 if (error) 1119 return error; 1120 if (c->type != T_E1) 1121 return EINVAL; 1122 s = splimp (); 1123 CP_LOCK (bd); 1124 cp_set_mux (c->board, *((char*)data) == 'c'); 1125 CP_UNLOCK (bd); 1126 splx (s); 1127 return 0; 1128 1129 case SERIAL_GETSTAT: 1130 CP_DEBUG2 (d, ("ioctl: getstat\n")); 1131 st = (struct serial_statistics*) data; 1132 st->rintr = c->rintr; 1133 st->tintr = c->tintr; 1134 st->mintr = 0; 1135 st->ibytes = c->ibytes; 1136 st->ipkts = c->ipkts; 1137 st->obytes = c->obytes; 1138 st->opkts = c->opkts; 1139 st->ierrs = c->overrun + c->frame + c->crc; 1140 st->oerrs = c->underrun; 1141 return 0; 1142 1143 case SERIAL_GETESTAT: 1144 CP_DEBUG2 (d, ("ioctl: getestat\n")); 1145 if (c->type != T_E1 && c->type != T_G703) 1146 return EINVAL; 1147 opte1 = (struct e1_statistics*) data; 1148 opte1->status = c->status; 1149 opte1->cursec = c->cursec; 1150 opte1->totsec = c->totsec + c->cursec; 1151 1152 opte1->currnt.bpv = c->currnt.bpv; 1153 opte1->currnt.fse = c->currnt.fse; 1154 opte1->currnt.crce = c->currnt.crce; 1155 opte1->currnt.rcrce = c->currnt.rcrce; 1156 opte1->currnt.uas = c->currnt.uas; 1157 opte1->currnt.les = c->currnt.les; 1158 opte1->currnt.es = c->currnt.es; 1159 opte1->currnt.bes = c->currnt.bes; 1160 opte1->currnt.ses = c->currnt.ses; 1161 opte1->currnt.oofs = c->currnt.oofs; 1162 opte1->currnt.css = c->currnt.css; 1163 opte1->currnt.dm = c->currnt.dm; 1164 1165 opte1->total.bpv = c->total.bpv + c->currnt.bpv; 1166 opte1->total.fse = c->total.fse + c->currnt.fse; 1167 opte1->total.crce = c->total.crce + c->currnt.crce; 1168 opte1->total.rcrce = c->total.rcrce + c->currnt.rcrce; 1169 opte1->total.uas = c->total.uas + c->currnt.uas; 1170 opte1->total.les = c->total.les + c->currnt.les; 1171 opte1->total.es = c->total.es + c->currnt.es; 1172 opte1->total.bes = c->total.bes + c->currnt.bes; 1173 opte1->total.ses = c->total.ses + c->currnt.ses; 1174 opte1->total.oofs = c->total.oofs + c->currnt.oofs; 1175 opte1->total.css = c->total.css + c->currnt.css; 1176 opte1->total.dm = c->total.dm + c->currnt.dm; 1177 for (s=0; s<48; ++s) { 1178 opte1->interval[s].bpv = c->interval[s].bpv; 1179 opte1->interval[s].fse = c->interval[s].fse; 1180 opte1->interval[s].crce = c->interval[s].crce; 1181 opte1->interval[s].rcrce = c->interval[s].rcrce; 1182 opte1->interval[s].uas = c->interval[s].uas; 1183 opte1->interval[s].les = c->interval[s].les; 1184 opte1->interval[s].es = c->interval[s].es; 1185 opte1->interval[s].bes = c->interval[s].bes; 1186 opte1->interval[s].ses = c->interval[s].ses; 1187 opte1->interval[s].oofs = c->interval[s].oofs; 1188 opte1->interval[s].css = c->interval[s].css; 1189 opte1->interval[s].dm = c->interval[s].dm; 1190 } 1191 return 0; 1192 1193 case SERIAL_GETE3STAT: 1194 CP_DEBUG2 (d, ("ioctl: gete3stat\n")); 1195 if (c->type != T_E3 && c->type != T_T3 && c->type != T_STS1) 1196 return EINVAL; 1197 opte3 = (struct e3_statistics*) data; 1198 1199 opte3->status = c->e3status; 1200 opte3->cursec = (c->e3csec_5 * 2 + 1) / 10; 1201 opte3->totsec = c->e3tsec + opte3->cursec; 1202 1203 opte3->ccv = c->e3ccv; 1204 opte3->tcv = c->e3tcv + opte3->ccv; 1205 1206 for (s = 0; s < 48; ++s) { 1207 opte3->icv[s] = c->e3icv[s]; 1208 } 1209 return 0; 1210 1211 case SERIAL_CLRSTAT: 1212 CP_DEBUG2 (d, ("ioctl: clrstat\n")); 1213 /* Only for superuser! */ 1214 error = priv_check (td, PRIV_DRIVER); 1215 if (error) 1216 return error; 1217 c->rintr = 0; 1218 c->tintr = 0; 1219 c->ibytes = 0; 1220 c->obytes = 0; 1221 c->ipkts = 0; 1222 c->opkts = 0; 1223 c->overrun = 0; 1224 c->frame = 0; 1225 c->crc = 0; 1226 c->underrun = 0; 1227 bzero (&c->currnt, sizeof (c->currnt)); 1228 bzero (&c->total, sizeof (c->total)); 1229 bzero (c->interval, sizeof (c->interval)); 1230 c->e3ccv = 0; 1231 c->e3tcv = 0; 1232 bzero (c->e3icv, sizeof (c->e3icv)); 1233 return 0; 1234 1235 case SERIAL_GETBAUD: 1236 CP_DEBUG2 (d, ("ioctl: getbaud\n")); 1237 *(long*)data = c->baud; 1238 return 0; 1239 1240 case SERIAL_SETBAUD: 1241 CP_DEBUG2 (d, ("ioctl: setbaud\n")); 1242 /* Only for superuser! */ 1243 error = priv_check (td, PRIV_DRIVER); 1244 if (error) 1245 return error; 1246 s = splimp (); 1247 CP_LOCK (bd); 1248 cp_set_baud (c, *(long*)data); 1249 CP_UNLOCK (bd); 1250 splx (s); 1251 return 0; 1252 1253 case SERIAL_GETLOOP: 1254 CP_DEBUG2 (d, ("ioctl: getloop\n")); 1255 *(int*)data = c->lloop; 1256 return 0; 1257 1258 case SERIAL_SETLOOP: 1259 CP_DEBUG2 (d, ("ioctl: setloop\n")); 1260 /* Only for superuser! */ 1261 error = priv_check (td, PRIV_DRIVER); 1262 if (error) 1263 return error; 1264 s = splimp (); 1265 CP_LOCK (bd); 1266 cp_set_lloop (c, *(int*)data); 1267 CP_UNLOCK (bd); 1268 splx (s); 1269 return 0; 1270 1271 case SERIAL_GETDPLL: 1272 CP_DEBUG2 (d, ("ioctl: getdpll\n")); 1273 if (c->type != T_SERIAL) 1274 return EINVAL; 1275 *(int*)data = c->dpll; 1276 return 0; 1277 1278 case SERIAL_SETDPLL: 1279 CP_DEBUG2 (d, ("ioctl: setdpll\n")); 1280 /* Only for superuser! */ 1281 error = priv_check (td, PRIV_DRIVER); 1282 if (error) 1283 return error; 1284 if (c->type != T_SERIAL) 1285 return EINVAL; 1286 s = splimp (); 1287 CP_LOCK (bd); 1288 cp_set_dpll (c, *(int*)data); 1289 CP_UNLOCK (bd); 1290 splx (s); 1291 return 0; 1292 1293 case SERIAL_GETNRZI: 1294 CP_DEBUG2 (d, ("ioctl: getnrzi\n")); 1295 if (c->type != T_SERIAL) 1296 return EINVAL; 1297 *(int*)data = c->nrzi; 1298 return 0; 1299 1300 case SERIAL_SETNRZI: 1301 CP_DEBUG2 (d, ("ioctl: setnrzi\n")); 1302 /* Only for superuser! */ 1303 error = priv_check (td, PRIV_DRIVER); 1304 if (error) 1305 return error; 1306 if (c->type != T_SERIAL) 1307 return EINVAL; 1308 s = splimp (); 1309 CP_LOCK (bd); 1310 cp_set_nrzi (c, *(int*)data); 1311 CP_UNLOCK (bd); 1312 splx (s); 1313 return 0; 1314 1315 case SERIAL_GETDEBUG: 1316 CP_DEBUG2 (d, ("ioctl: getdebug\n")); 1317 *(int*)data = d->chan->debug; 1318 return 0; 1319 1320 case SERIAL_SETDEBUG: 1321 CP_DEBUG2 (d, ("ioctl: setdebug\n")); 1322 /* Only for superuser! */ 1323 error = priv_check (td, PRIV_DRIVER); 1324 if (error) 1325 return error; 1326#ifndef NETGRAPH 1327 /* 1328 * The debug_shadow is always greater than zero for logic 1329 * simplicity. For switching debug off the IFF_DEBUG is 1330 * responsible. 1331 */ 1332 d->chan->debug_shadow = (*(int*)data) ? (*(int*)data) : 1; 1333 if (d->ifp->if_flags & IFF_DEBUG) 1334 d->chan->debug = d->chan->debug_shadow; 1335#else 1336 d->chan->debug = *(int*)data; 1337#endif 1338 return 0; 1339 1340 case SERIAL_GETHIGAIN: 1341 CP_DEBUG2 (d, ("ioctl: gethigain\n")); 1342 if (c->type != T_E1) 1343 return EINVAL; 1344 *(int*)data = c->higain; 1345 return 0; 1346 1347 case SERIAL_SETHIGAIN: 1348 CP_DEBUG2 (d, ("ioctl: sethigain\n")); 1349 /* Only for superuser! */ 1350 error = priv_check (td, PRIV_DRIVER); 1351 if (error) 1352 return error; 1353 if (c->type != T_E1) 1354 return EINVAL; 1355 s = splimp (); 1356 CP_LOCK (bd); 1357 cp_set_higain (c, *(int*)data); 1358 CP_UNLOCK (bd); 1359 splx (s); 1360 return 0; 1361 1362 case SERIAL_GETPHONY: 1363 CP_DEBUG2 (d, ("ioctl: getphony\n")); 1364 if (c->type != T_E1) 1365 return EINVAL; 1366 *(int*)data = c->phony; 1367 return 0; 1368 1369 case SERIAL_SETPHONY: 1370 CP_DEBUG2 (d, ("ioctl: setphony\n")); 1371 /* Only for superuser! */ 1372 error = priv_check (td, PRIV_DRIVER); 1373 if (error) 1374 return error; 1375 if (c->type != T_E1) 1376 return EINVAL; 1377 s = splimp (); 1378 CP_LOCK (bd); 1379 cp_set_phony (c, *(int*)data); 1380 CP_UNLOCK (bd); 1381 splx (s); 1382 return 0; 1383 1384 case SERIAL_GETUNFRAM: 1385 CP_DEBUG2 (d, ("ioctl: getunfram\n")); 1386 if (c->type != T_E1) 1387 return EINVAL; 1388 *(int*)data = c->unfram; 1389 return 0; 1390 1391 case SERIAL_SETUNFRAM: 1392 CP_DEBUG2 (d, ("ioctl: setunfram\n")); 1393 /* Only for superuser! */ 1394 error = priv_check (td, PRIV_DRIVER); 1395 if (error) 1396 return error; 1397 if (c->type != T_E1) 1398 return EINVAL; 1399 s = splimp (); 1400 CP_LOCK (bd); 1401 cp_set_unfram (c, *(int*)data); 1402 CP_UNLOCK (bd); 1403 splx (s); 1404 return 0; 1405 1406 case SERIAL_GETSCRAMBLER: 1407 CP_DEBUG2 (d, ("ioctl: getscrambler\n")); 1408 if (c->type != T_G703 && !c->unfram) 1409 return EINVAL; 1410 *(int*)data = c->scrambler; 1411 return 0; 1412 1413 case SERIAL_SETSCRAMBLER: 1414 CP_DEBUG2 (d, ("ioctl: setscrambler\n")); 1415 /* Only for superuser! */ 1416 error = priv_check (td, PRIV_DRIVER); 1417 if (error) 1418 return error; 1419 if (c->type != T_G703 && !c->unfram) 1420 return EINVAL; 1421 s = splimp (); 1422 CP_LOCK (bd); 1423 cp_set_scrambler (c, *(int*)data); 1424 CP_UNLOCK (bd); 1425 splx (s); 1426 return 0; 1427 1428 case SERIAL_GETMONITOR: 1429 CP_DEBUG2 (d, ("ioctl: getmonitor\n")); 1430 if (c->type != T_E1 && 1431 c->type != T_E3 && 1432 c->type != T_T3 && 1433 c->type != T_STS1) 1434 return EINVAL; 1435 *(int*)data = c->monitor; 1436 return 0; 1437 1438 case SERIAL_SETMONITOR: 1439 CP_DEBUG2 (d, ("ioctl: setmonitor\n")); 1440 /* Only for superuser! */ 1441 error = priv_check (td, PRIV_DRIVER); 1442 if (error) 1443 return error; 1444 if (c->type != T_E1) 1445 return EINVAL; 1446 s = splimp (); 1447 CP_LOCK (bd); 1448 cp_set_monitor (c, *(int*)data); 1449 CP_UNLOCK (bd); 1450 splx (s); 1451 return 0; 1452 1453 case SERIAL_GETUSE16: 1454 CP_DEBUG2 (d, ("ioctl: getuse16\n")); 1455 if (c->type != T_E1 || c->unfram) 1456 return EINVAL; 1457 *(int*)data = c->use16; 1458 return 0; 1459 1460 case SERIAL_SETUSE16: 1461 CP_DEBUG2 (d, ("ioctl: setuse16\n")); 1462 /* Only for superuser! */ 1463 error = priv_check (td, PRIV_DRIVER); 1464 if (error) 1465 return error; 1466 if (c->type != T_E1) 1467 return EINVAL; 1468 s = splimp (); 1469 CP_LOCK (bd); 1470 cp_set_use16 (c, *(int*)data); 1471 CP_UNLOCK (bd); 1472 splx (s); 1473 return 0; 1474 1475 case SERIAL_GETCRC4: 1476 CP_DEBUG2 (d, ("ioctl: getcrc4\n")); 1477 if (c->type != T_E1 || c->unfram) 1478 return EINVAL; 1479 *(int*)data = c->crc4; 1480 return 0; 1481 1482 case SERIAL_SETCRC4: 1483 CP_DEBUG2 (d, ("ioctl: setcrc4\n")); 1484 /* Only for superuser! */ 1485 error = priv_check (td, PRIV_DRIVER); 1486 if (error) 1487 return error; 1488 if (c->type != T_E1) 1489 return EINVAL; 1490 s = splimp (); 1491 CP_LOCK (bd); 1492 cp_set_crc4 (c, *(int*)data); 1493 CP_UNLOCK (bd); 1494 splx (s); 1495 return 0; 1496 1497 case SERIAL_GETCLK: 1498 CP_DEBUG2 (d, ("ioctl: getclk\n")); 1499 if (c->type != T_E1 && 1500 c->type != T_G703 && 1501 c->type != T_E3 && 1502 c->type != T_T3 && 1503 c->type != T_STS1) 1504 return EINVAL; 1505 switch (c->gsyn) { 1506 default: *(int*)data = E1CLK_INTERNAL; break; 1507 case GSYN_RCV: *(int*)data = E1CLK_RECEIVE; break; 1508 case GSYN_RCV0: *(int*)data = E1CLK_RECEIVE_CHAN0; break; 1509 case GSYN_RCV1: *(int*)data = E1CLK_RECEIVE_CHAN1; break; 1510 case GSYN_RCV2: *(int*)data = E1CLK_RECEIVE_CHAN2; break; 1511 case GSYN_RCV3: *(int*)data = E1CLK_RECEIVE_CHAN3; break; 1512 } 1513 return 0; 1514 1515 case SERIAL_SETCLK: 1516 CP_DEBUG2 (d, ("ioctl: setclk\n")); 1517 /* Only for superuser! */ 1518 error = priv_check (td, PRIV_DRIVER); 1519 if (error) 1520 return error; 1521 if (c->type != T_E1 && 1522 c->type != T_G703 && 1523 c->type != T_E3 && 1524 c->type != T_T3 && 1525 c->type != T_STS1) 1526 return EINVAL; 1527 s = splimp (); 1528 CP_LOCK (bd); 1529 switch (*(int*)data) { 1530 default: cp_set_gsyn (c, GSYN_INT); break; 1531 case E1CLK_RECEIVE: cp_set_gsyn (c, GSYN_RCV); break; 1532 case E1CLK_RECEIVE_CHAN0: cp_set_gsyn (c, GSYN_RCV0); break; 1533 case E1CLK_RECEIVE_CHAN1: cp_set_gsyn (c, GSYN_RCV1); break; 1534 case E1CLK_RECEIVE_CHAN2: cp_set_gsyn (c, GSYN_RCV2); break; 1535 case E1CLK_RECEIVE_CHAN3: cp_set_gsyn (c, GSYN_RCV3); break; 1536 } 1537 CP_UNLOCK (bd); 1538 splx (s); 1539 return 0; 1540 1541 case SERIAL_GETTIMESLOTS: 1542 CP_DEBUG2 (d, ("ioctl: gettimeslots\n")); 1543 if ((c->type != T_E1 || c->unfram) && c->type != T_DATA) 1544 return EINVAL; 1545 *(u_long*)data = c->ts; 1546 return 0; 1547 1548 case SERIAL_SETTIMESLOTS: 1549 CP_DEBUG2 (d, ("ioctl: settimeslots\n")); 1550 /* Only for superuser! */ 1551 error = priv_check (td, PRIV_DRIVER); 1552 if (error) 1553 return error; 1554 if ((c->type != T_E1 || c->unfram) && c->type != T_DATA) 1555 return EINVAL; 1556 s = splimp (); 1557 CP_LOCK (bd); 1558 cp_set_ts (c, *(u_long*)data); 1559 CP_UNLOCK (bd); 1560 splx (s); 1561 return 0; 1562 1563 case SERIAL_GETINVCLK: 1564 CP_DEBUG2 (d, ("ioctl: getinvclk\n")); 1565#if 1 1566 return EINVAL; 1567#else 1568 if (c->type != T_SERIAL) 1569 return EINVAL; 1570 *(int*)data = c->invtxc; 1571 return 0; 1572#endif 1573 1574 case SERIAL_SETINVCLK: 1575 CP_DEBUG2 (d, ("ioctl: setinvclk\n")); 1576 /* Only for superuser! */ 1577 error = priv_check (td, PRIV_DRIVER); 1578 if (error) 1579 return error; 1580 if (c->type != T_SERIAL) 1581 return EINVAL; 1582 s = splimp (); 1583 CP_LOCK (bd); 1584 cp_set_invtxc (c, *(int*)data); 1585 cp_set_invrxc (c, *(int*)data); 1586 CP_UNLOCK (bd); 1587 splx (s); 1588 return 0; 1589 1590 case SERIAL_GETINVTCLK: 1591 CP_DEBUG2 (d, ("ioctl: getinvtclk\n")); 1592 if (c->type != T_SERIAL) 1593 return EINVAL; 1594 *(int*)data = c->invtxc; 1595 return 0; 1596 1597 case SERIAL_SETINVTCLK: 1598 CP_DEBUG2 (d, ("ioctl: setinvtclk\n")); 1599 /* Only for superuser! */ 1600 error = priv_check (td, PRIV_DRIVER); 1601 if (error) 1602 return error; 1603 if (c->type != T_SERIAL) 1604 return EINVAL; 1605 s = splimp (); 1606 CP_LOCK (bd); 1607 cp_set_invtxc (c, *(int*)data); 1608 CP_UNLOCK (bd); 1609 splx (s); 1610 return 0; 1611 1612 case SERIAL_GETINVRCLK: 1613 CP_DEBUG2 (d, ("ioctl: getinvrclk\n")); 1614 if (c->type != T_SERIAL) 1615 return EINVAL; 1616 *(int*)data = c->invrxc; 1617 return 0; 1618 1619 case SERIAL_SETINVRCLK: 1620 CP_DEBUG2 (d, ("ioctl: setinvrclk\n")); 1621 /* Only for superuser! */ 1622 error = priv_check (td, PRIV_DRIVER); 1623 if (error) 1624 return error; 1625 if (c->type != T_SERIAL) 1626 return EINVAL; 1627 s = splimp (); 1628 CP_LOCK (bd); 1629 cp_set_invrxc (c, *(int*)data); 1630 CP_UNLOCK (bd); 1631 splx (s); 1632 return 0; 1633 1634 case SERIAL_GETLEVEL: 1635 CP_DEBUG2 (d, ("ioctl: getlevel\n")); 1636 if (c->type != T_G703) 1637 return EINVAL; 1638 s = splimp (); 1639 CP_LOCK (bd); 1640 *(int*)data = cp_get_lq (c); 1641 CP_UNLOCK (bd); 1642 splx (s); 1643 return 0; 1644 1645#if 0 1646 case SERIAL_RESET: 1647 CP_DEBUG2 (d, ("ioctl: reset\n")); 1648 /* Only for superuser! */ 1649 error = priv_check (td, PRIV_DRIVER); 1650 if (error) 1651 return error; 1652 s = splimp (); 1653 CP_LOCK (bd); 1654 cp_reset (c->board, 0, 0); 1655 CP_UNLOCK (bd); 1656 splx (s); 1657 return 0; 1658 1659 case SERIAL_HARDRESET: 1660 CP_DEBUG2 (d, ("ioctl: hardreset\n")); 1661 /* Only for superuser! */ 1662 error = priv_check (td, PRIV_DRIVER); 1663 if (error) 1664 return error; 1665 s = splimp (); 1666 CP_LOCK (bd); 1667 /* hard_reset (c->board); */ 1668 CP_UNLOCK (bd); 1669 splx (s); 1670 return 0; 1671#endif 1672 1673 case SERIAL_GETCABLE: 1674 CP_DEBUG2 (d, ("ioctl: getcable\n")); 1675 if (c->type != T_SERIAL) 1676 return EINVAL; 1677 s = splimp (); 1678 CP_LOCK (bd); 1679 *(int*)data = cp_get_cable (c); 1680 CP_UNLOCK (bd); 1681 splx (s); 1682 return 0; 1683 1684 case SERIAL_GETDIR: 1685 CP_DEBUG2 (d, ("ioctl: getdir\n")); 1686 if (c->type != T_E1 && c->type != T_DATA) 1687 return EINVAL; 1688 *(int*)data = c->dir; 1689 return 0; 1690 1691 case SERIAL_SETDIR: 1692 CP_DEBUG2 (d, ("ioctl: setdir\n")); 1693 /* Only for superuser! */ 1694 error = priv_check (td, PRIV_DRIVER); 1695 if (error) 1696 return error; 1697 s = splimp (); 1698 CP_LOCK (bd); 1699 cp_set_dir (c, *(int*)data); 1700 CP_UNLOCK (bd); 1701 splx (s); 1702 return 0; 1703 1704 case SERIAL_GETRLOOP: 1705 CP_DEBUG2 (d, ("ioctl: getrloop\n")); 1706 if (c->type != T_G703 && 1707 c->type != T_E3 && 1708 c->type != T_T3 && 1709 c->type != T_STS1) 1710 return EINVAL; 1711 *(int*)data = cp_get_rloop (c); 1712 return 0; 1713 1714 case SERIAL_SETRLOOP: 1715 CP_DEBUG2 (d, ("ioctl: setloop\n")); 1716 if (c->type != T_E3 && c->type != T_T3 && c->type != T_STS1) 1717 return EINVAL; 1718 /* Only for superuser! */ 1719 error = priv_check (td, PRIV_DRIVER); 1720 if (error) 1721 return error; 1722 s = splimp (); 1723 CP_LOCK (bd); 1724 cp_set_rloop (c, *(int*)data); 1725 CP_UNLOCK (bd); 1726 splx (s); 1727 return 0; 1728 1729 case SERIAL_GETCABLEN: 1730 CP_DEBUG2 (d, ("ioctl: getcablen\n")); 1731 if (c->type != T_T3 && c->type != T_STS1) 1732 return EINVAL; 1733 *(int*)data = c->cablen; 1734 return 0; 1735 1736 case SERIAL_SETCABLEN: 1737 CP_DEBUG2 (d, ("ioctl: setloop\n")); 1738 if (c->type != T_T3 && c->type != T_STS1) 1739 return EINVAL; 1740 /* Only for superuser! */ 1741 error = priv_check (td, PRIV_DRIVER); 1742 if (error) 1743 return error; 1744 s = splimp (); 1745 CP_LOCK (bd); 1746 cp_set_cablen (c, *(int*)data); 1747 CP_UNLOCK (bd); 1748 splx (s); 1749 return 0; 1750 1751 case TIOCSDTR: /* Set DTR */ 1752 s = splimp (); 1753 CP_LOCK (bd); 1754 cp_set_dtr (c, 1); 1755 CP_UNLOCK (bd); 1756 splx (s); 1757 return 0; 1758 1759 case TIOCCDTR: /* Clear DTR */ 1760 s = splimp (); 1761 CP_LOCK (bd); 1762 cp_set_dtr (c, 0); 1763 CP_UNLOCK (bd); 1764 splx (s); 1765 return 0; 1766 1767 case TIOCMSET: /* Set DTR/RTS */ 1768 s = splimp (); 1769 CP_LOCK (bd); 1770 cp_set_dtr (c, (*(int*)data & TIOCM_DTR) ? 1 : 0); 1771 cp_set_rts (c, (*(int*)data & TIOCM_RTS) ? 1 : 0); 1772 CP_UNLOCK (bd); 1773 splx (s); 1774 return 0; 1775 1776 case TIOCMBIS: /* Add DTR/RTS */ 1777 s = splimp (); 1778 CP_LOCK (bd); 1779 if (*(int*)data & TIOCM_DTR) cp_set_dtr (c, 1); 1780 if (*(int*)data & TIOCM_RTS) cp_set_rts (c, 1); 1781 CP_UNLOCK (bd); 1782 splx (s); 1783 return 0; 1784 1785 case TIOCMBIC: /* Clear DTR/RTS */ 1786 s = splimp (); 1787 CP_LOCK (bd); 1788 if (*(int*)data & TIOCM_DTR) cp_set_dtr (c, 0); 1789 if (*(int*)data & TIOCM_RTS) cp_set_rts (c, 0); 1790 CP_UNLOCK (bd); 1791 splx (s); 1792 return 0; 1793 1794 case TIOCMGET: /* Get modem status */ 1795 *(int*)data = cp_modem_status (c); 1796 return 0; 1797 } 1798 return ENOTTY; 1799} 1800 1801#ifdef NETGRAPH 1802static int ng_cp_constructor (node_p node) 1803{ 1804 drv_t *d = NG_NODE_PRIVATE (node); 1805 CP_DEBUG (d, ("Constructor\n")); 1806 return EINVAL; 1807} 1808 1809static int ng_cp_newhook (node_p node, hook_p hook, const char *name) 1810{ 1811 int s; 1812 drv_t *d = NG_NODE_PRIVATE (node); 1813 bdrv_t *bd = d->board->sys; 1814 1815 CP_DEBUG (d, ("Newhook\n")); 1816 /* Attach debug hook */ 1817 if (strcmp (name, NG_CP_HOOK_DEBUG) == 0) { 1818 NG_HOOK_SET_PRIVATE (hook, NULL); 1819 d->debug_hook = hook; 1820 return 0; 1821 } 1822 1823 /* Check for raw hook */ 1824 if (strcmp (name, NG_CP_HOOK_RAW) != 0) 1825 return EINVAL; 1826 1827 NG_HOOK_SET_PRIVATE (hook, d); 1828 d->hook = hook; 1829 s = splimp (); 1830 CP_LOCK (bd); 1831 cp_up (d); 1832 CP_UNLOCK (bd); 1833 splx (s); 1834 return 0; 1835} 1836 1837static char *format_timeslots (u_long s) 1838{ 1839 static char buf [100]; 1840 char *p = buf; 1841 int i; 1842 1843 for (i=1; i<32; ++i) 1844 if ((s >> i) & 1) { 1845 int prev = (i > 1) & (s >> (i-1)); 1846 int next = (i < 31) & (s >> (i+1)); 1847 1848 if (prev) { 1849 if (next) 1850 continue; 1851 *p++ = '-'; 1852 } else if (p > buf) 1853 *p++ = ','; 1854 1855 if (i >= 10) 1856 *p++ = '0' + i / 10; 1857 *p++ = '0' + i % 10; 1858 } 1859 *p = 0; 1860 return buf; 1861} 1862 1863static int print_modems (char *s, cp_chan_t *c, int need_header) 1864{ 1865 int status = cp_modem_status (c); 1866 int length = 0; 1867 1868 if (need_header) 1869 length += sprintf (s + length, " LE DTR DSR RTS CTS CD\n"); 1870 length += sprintf (s + length, "%4s %4s %4s %4s %4s %4s\n", 1871 status & TIOCM_LE ? "On" : "-", 1872 status & TIOCM_DTR ? "On" : "-", 1873 status & TIOCM_DSR ? "On" : "-", 1874 status & TIOCM_RTS ? "On" : "-", 1875 status & TIOCM_CTS ? "On" : "-", 1876 status & TIOCM_CD ? "On" : "-"); 1877 return length; 1878} 1879 1880static int print_stats (char *s, cp_chan_t *c, int need_header) 1881{ 1882 int length = 0; 1883 1884 if (need_header) 1885 length += sprintf (s + length, " Rintr Tintr Mintr Ibytes Ipkts Ierrs Obytes Opkts Oerrs\n"); 1886 length += sprintf (s + length, "%7ld %7ld %7ld %8lu %7ld %7ld %8lu %7ld %7ld\n", 1887 c->rintr, c->tintr, 0l, (unsigned long) c->ibytes, 1888 c->ipkts, c->overrun + c->frame + c->crc, 1889 (unsigned long) c->obytes, c->opkts, c->underrun); 1890 return length; 1891} 1892 1893static char *format_e1_status (u_char status) 1894{ 1895 static char buf [80]; 1896 1897 if (status & E1_NOALARM) 1898 return "Ok"; 1899 buf[0] = 0; 1900 if (status & E1_LOS) strcat (buf, ",LOS"); 1901 if (status & E1_AIS) strcat (buf, ",AIS"); 1902 if (status & E1_LOF) strcat (buf, ",LOF"); 1903 if (status & E1_LOMF) strcat (buf, ",LOMF"); 1904 if (status & E1_FARLOF) strcat (buf, ",FARLOF"); 1905 if (status & E1_AIS16) strcat (buf, ",AIS16"); 1906 if (status & E1_FARLOMF) strcat (buf, ",FARLOMF"); 1907 if (status & E1_TSTREQ) strcat (buf, ",TSTREQ"); 1908 if (status & E1_TSTERR) strcat (buf, ",TSTERR"); 1909 if (buf[0] == ',') 1910 return buf+1; 1911 return "Unknown"; 1912} 1913 1914static int print_frac (char *s, int leftalign, u_long numerator, u_long divider) 1915{ 1916 int n, length = 0; 1917 1918 if (numerator < 1 || divider < 1) { 1919 length += sprintf (s+length, leftalign ? "/- " : " -"); 1920 return length; 1921 } 1922 n = (int) (0.5 + 1000.0 * numerator / divider); 1923 if (n < 1000) { 1924 length += sprintf (s+length, leftalign ? "/.%-3d" : " .%03d", n); 1925 return length; 1926 } 1927 *(s + length) = leftalign ? '/' : ' '; 1928 length ++; 1929 1930 if (n >= 1000000) n = (n+500) / 1000 * 1000; 1931 else if (n >= 100000) n = (n+50) / 100 * 100; 1932 else if (n >= 10000) n = (n+5) / 10 * 10; 1933 1934 switch (n) { 1935 case 1000: length += printf (s+length, ".999"); return length; 1936 case 10000: n = 9990; break; 1937 case 100000: n = 99900; break; 1938 case 1000000: n = 999000; break; 1939 } 1940 if (n < 10000) length += sprintf (s+length, "%d.%d", n/1000, n/10%100); 1941 else if (n < 100000) length += sprintf (s+length, "%d.%d", n/1000, n/100%10); 1942 else if (n < 1000000) length += sprintf (s+length, "%d.", n/1000); 1943 else length += sprintf (s+length, "%d", n/1000); 1944 1945 return length; 1946} 1947 1948static int print_e1_stats (char *s, cp_chan_t *c) 1949{ 1950 struct e1_counters total; 1951 u_long totsec; 1952 int length = 0; 1953 1954 totsec = c->totsec + c->cursec; 1955 total.bpv = c->total.bpv + c->currnt.bpv; 1956 total.fse = c->total.fse + c->currnt.fse; 1957 total.crce = c->total.crce + c->currnt.crce; 1958 total.rcrce = c->total.rcrce + c->currnt.rcrce; 1959 total.uas = c->total.uas + c->currnt.uas; 1960 total.les = c->total.les + c->currnt.les; 1961 total.es = c->total.es + c->currnt.es; 1962 total.bes = c->total.bes + c->currnt.bes; 1963 total.ses = c->total.ses + c->currnt.ses; 1964 total.oofs = c->total.oofs + c->currnt.oofs; 1965 total.css = c->total.css + c->currnt.css; 1966 total.dm = c->total.dm + c->currnt.dm; 1967 1968 length += sprintf (s + length, " Unav/Degr Bpv/Fsyn CRC/RCRC Err/Lerr Sev/Bur Oof/Slp Status\n"); 1969 1970 /* Unavailable seconds, degraded minutes */ 1971 length += print_frac (s + length, 0, c->currnt.uas, c->cursec); 1972 length += print_frac (s + length, 1, 60 * c->currnt.dm, c->cursec); 1973 1974 /* Bipolar violations, frame sync errors */ 1975 length += print_frac (s + length, 0, c->currnt.bpv, c->cursec); 1976 length += print_frac (s + length, 1, c->currnt.fse, c->cursec); 1977 1978 /* CRC errors, remote CRC errors (E-bit) */ 1979 length += print_frac (s + length, 0, c->currnt.crce, c->cursec); 1980 length += print_frac (s + length, 1, c->currnt.rcrce, c->cursec); 1981 1982 /* Errored seconds, line errored seconds */ 1983 length += print_frac (s + length, 0, c->currnt.es, c->cursec); 1984 length += print_frac (s + length, 1, c->currnt.les, c->cursec); 1985 1986 /* Severely errored seconds, burst errored seconds */ 1987 length += print_frac (s + length, 0, c->currnt.ses, c->cursec); 1988 length += print_frac (s + length, 1, c->currnt.bes, c->cursec); 1989 1990 /* Out of frame seconds, controlled slip seconds */ 1991 length += print_frac (s + length, 0, c->currnt.oofs, c->cursec); 1992 length += print_frac (s + length, 1, c->currnt.css, c->cursec); 1993 1994 length += sprintf (s + length, " %s\n", format_e1_status (c->status)); 1995 1996 /* Print total statistics. */ 1997 length += print_frac (s + length, 0, total.uas, totsec); 1998 length += print_frac (s + length, 1, 60 * total.dm, totsec); 1999 2000 length += print_frac (s + length, 0, total.bpv, totsec); 2001 length += print_frac (s + length, 1, total.fse, totsec); 2002 2003 length += print_frac (s + length, 0, total.crce, totsec); 2004 length += print_frac (s + length, 1, total.rcrce, totsec); 2005 2006 length += print_frac (s + length, 0, total.es, totsec); 2007 length += print_frac (s + length, 1, total.les, totsec); 2008 2009 length += print_frac (s + length, 0, total.ses, totsec); 2010 length += print_frac (s + length, 1, total.bes, totsec); 2011 2012 length += print_frac (s + length, 0, total.oofs, totsec); 2013 length += print_frac (s + length, 1, total.css, totsec); 2014 2015 length += sprintf (s + length, " -- Total\n"); 2016 return length; 2017} 2018 2019static int print_chan (char *s, cp_chan_t *c) 2020{ 2021 drv_t *d = c->sys; 2022 bdrv_t *bd = d->board->sys; 2023 int length = 0; 2024 2025 length += sprintf (s + length, "cp%d", c->board->num * NCHAN + c->num); 2026 if (d->chan->debug) 2027 length += sprintf (s + length, " debug=%d", d->chan->debug); 2028 2029 if (c->board->mux) { 2030 length += sprintf (s + length, " cfg=C"); 2031 } else { 2032 length += sprintf (s + length, " cfg=A"); 2033 } 2034 2035 if (c->baud) 2036 length += sprintf (s + length, " %ld", c->baud); 2037 else 2038 length += sprintf (s + length, " extclock"); 2039 2040 if (c->type == T_E1 || c->type == T_G703) 2041 switch (c->gsyn) { 2042 case GSYN_INT : length += sprintf (s + length, " syn=int"); break; 2043 case GSYN_RCV : length += sprintf (s + length, " syn=rcv"); break; 2044 case GSYN_RCV0 : length += sprintf (s + length, " syn=rcv0"); break; 2045 case GSYN_RCV1 : length += sprintf (s + length, " syn=rcv1"); break; 2046 case GSYN_RCV2 : length += sprintf (s + length, " syn=rcv2"); break; 2047 case GSYN_RCV3 : length += sprintf (s + length, " syn=rcv3"); break; 2048 } 2049 if (c->type == T_SERIAL) { 2050 length += sprintf (s + length, " dpll=%s", c->dpll ? "on" : "off"); 2051 length += sprintf (s + length, " nrzi=%s", c->nrzi ? "on" : "off"); 2052 length += sprintf (s + length, " invclk=%s", c->invtxc ? "on" : "off"); 2053 } 2054 if (c->type == T_E1) 2055 length += sprintf (s + length, " higain=%s", c->higain ? "on" : "off"); 2056 2057 length += sprintf (s + length, " loop=%s", c->lloop ? "on" : "off"); 2058 2059 if (c->type == T_E1) 2060 length += sprintf (s + length, " ts=%s", format_timeslots (c->ts)); 2061 if (c->type == T_G703) { 2062 int lq, x; 2063 2064 x = splimp (); 2065 CP_LOCK (bd); 2066 lq = cp_get_lq (c); 2067 CP_UNLOCK (bd); 2068 splx (x); 2069 length += sprintf (s + length, " (level=-%.1fdB)", lq / 10.0); 2070 } 2071 length += sprintf (s + length, "\n"); 2072 return length; 2073} 2074 2075static int ng_cp_rcvmsg (node_p node, item_p item, hook_p lasthook) 2076{ 2077 drv_t *d = NG_NODE_PRIVATE (node); 2078 struct ng_mesg *msg; 2079 struct ng_mesg *resp = NULL; 2080 int error = 0; 2081 2082 CP_DEBUG (d, ("Rcvmsg\n")); 2083 NGI_GET_MSG (item, msg); 2084 switch (msg->header.typecookie) { 2085 default: 2086 error = EINVAL; 2087 break; 2088 2089 case NGM_CP_COOKIE: 2090 printf ("Not implemented yet\n"); 2091 error = EINVAL; 2092 break; 2093 2094 case NGM_GENERIC_COOKIE: 2095 switch (msg->header.cmd) { 2096 default: 2097 error = EINVAL; 2098 break; 2099 2100 case NGM_TEXT_STATUS: { 2101 char *s; 2102 int l = 0; 2103 int dl = sizeof (struct ng_mesg) + 730; 2104 2105 NG_MKRESPONSE (resp, msg, dl, M_NOWAIT); 2106 if (! resp) { 2107 error = ENOMEM; 2108 break; 2109 } 2110 s = (resp)->data; 2111 if (d) { 2112 l += print_chan (s + l, d->chan); 2113 l += print_stats (s + l, d->chan, 1); 2114 l += print_modems (s + l, d->chan, 1); 2115 l += print_e1_stats (s + l, d->chan); 2116 } else 2117 l += sprintf (s + l, "Error: node not connect to channel"); 2118 strncpy ((resp)->header.cmdstr, "status", NG_CMDSTRSIZ); 2119 } 2120 break; 2121 } 2122 break; 2123 } 2124 NG_RESPOND_MSG (error, node, item, resp); 2125 NG_FREE_MSG (msg); 2126 return error; 2127} 2128 2129static int ng_cp_rcvdata (hook_p hook, item_p item) 2130{ 2131 drv_t *d = NG_NODE_PRIVATE (NG_HOOK_NODE(hook)); 2132 struct mbuf *m; 2133 struct ng_tag_prio *ptag; 2134 bdrv_t *bd = d->board->sys; 2135 struct ifqueue *q; 2136 int s; 2137 2138 CP_DEBUG2 (d, ("Rcvdata\n")); 2139 NGI_GET_M (item, m); 2140 NG_FREE_ITEM (item); 2141 if (! NG_HOOK_PRIVATE (hook) || ! d) { 2142 NG_FREE_M (m); 2143 return ENETDOWN; 2144 } 2145 2146 /* Check for high priority data */ 2147 if ((ptag = (struct ng_tag_prio *)m_tag_locate(m, NGM_GENERIC_COOKIE, 2148 NG_TAG_PRIO, NULL)) != NULL && (ptag->priority > NG_PRIO_CUTOFF) ) 2149 q = &d->hi_queue; 2150 else 2151 q = &d->queue; 2152 2153 s = splimp (); 2154 CP_LOCK (bd); 2155 IF_LOCK (q); 2156 if (_IF_QFULL (q)) { 2157 _IF_DROP (q); 2158 IF_UNLOCK (q); 2159 CP_UNLOCK (bd); 2160 splx (s); 2161 NG_FREE_M (m); 2162 return ENOBUFS; 2163 } 2164 _IF_ENQUEUE (q, m); 2165 IF_UNLOCK (q); 2166 cp_start (d); 2167 CP_UNLOCK (bd); 2168 splx (s); 2169 return 0; 2170} 2171 2172static int ng_cp_rmnode (node_p node) 2173{ 2174 drv_t *d = NG_NODE_PRIVATE (node); 2175 2176 CP_DEBUG (d, ("Rmnode\n")); 2177 if (d && d->running) { 2178 bdrv_t *bd = d->board->sys; 2179 int s = splimp (); 2180 CP_LOCK (bd); 2181 cp_down (d); 2182 CP_UNLOCK (bd); 2183 splx (s); 2184 } 2185#ifdef KLD_MODULE 2186 if (node->nd_flags & NGF_REALLY_DIE) { 2187 NG_NODE_SET_PRIVATE (node, NULL); 2188 NG_NODE_UNREF (node); 2189 } 2190 NG_NODE_REVIVE(node); /* Persistant node */ 2191#endif 2192 return 0; 2193} 2194 2195static int ng_cp_connect (hook_p hook) 2196{ 2197 drv_t *d = NG_NODE_PRIVATE (NG_HOOK_NODE (hook)); 2198 2199 if (d) { 2200 CP_DEBUG (d, ("Connect\n")); 2201 callout_reset (&d->timeout_handle, hz, cp_watchdog_timer, d); 2202 } 2203 2204 return 0; 2205} 2206 2207static int ng_cp_disconnect (hook_p hook) 2208{ 2209 drv_t *d = NG_NODE_PRIVATE (NG_HOOK_NODE (hook)); 2210 2211 if (d) { 2212 CP_DEBUG (d, ("Disconnect\n")); 2213 if (NG_HOOK_PRIVATE (hook)) 2214 { 2215 bdrv_t *bd = d->board->sys; 2216 int s = splimp (); 2217 CP_LOCK (bd); 2218 cp_down (d); 2219 CP_UNLOCK (bd); 2220 splx (s); 2221 } 2222 /* If we were wait it than it reasserted now, just stop it. */ 2223 if (!callout_drain (&d->timeout_handle)) 2224 callout_stop (&d->timeout_handle); 2225 } 2226 return 0; 2227} 2228#endif 2229 2230static int cp_modevent (module_t mod, int type, void *unused) 2231{ 2232 static int load_count = 0; 2233 2234 switch (type) { 2235 case MOD_LOAD: 2236#ifdef NETGRAPH 2237 if (ng_newtype (&typestruct)) 2238 printf ("Failed to register ng_cp\n"); 2239#endif 2240 ++load_count; 2241 callout_init (&timeout_handle, CALLOUT_MPSAFE); 2242 callout_reset (&timeout_handle, hz*5, cp_timeout, 0); 2243 break; 2244 case MOD_UNLOAD: 2245 if (load_count == 1) { 2246 printf ("Removing device entry for Tau-PCI\n"); 2247#ifdef NETGRAPH 2248 ng_rmtype (&typestruct); 2249#endif 2250 } 2251 /* If we were wait it than it reasserted now, just stop it. 2252 * Actually we shouldn't get this condition. But code could be 2253 * changed in the future, so just be a litle paranoid. 2254 */ 2255 if (!callout_drain (&timeout_handle)) 2256 callout_stop (&timeout_handle); 2257 --load_count; 2258 break; 2259 case MOD_SHUTDOWN: 2260 break; 2261 } 2262 return 0; 2263} 2264 2265#ifdef NETGRAPH 2266static struct ng_type typestruct = { 2267 .version = NG_ABI_VERSION, 2268 .name = NG_CP_NODE_TYPE, 2269 .constructor = ng_cp_constructor, 2270 .rcvmsg = ng_cp_rcvmsg, 2271 .shutdown = ng_cp_rmnode, 2272 .newhook = ng_cp_newhook, 2273 .connect = ng_cp_connect, 2274 .rcvdata = ng_cp_rcvdata, 2275 .disconnect = ng_cp_disconnect, 2276}; 2277#endif /*NETGRAPH*/ 2278 2279#ifdef NETGRAPH 2280MODULE_DEPEND (ng_cp, netgraph, NG_ABI_VERSION, NG_ABI_VERSION, NG_ABI_VERSION); 2281#else 2282MODULE_DEPEND (cp, sppp, 1, 1, 1); 2283#endif 2284DRIVER_MODULE (cp, pci, cp_driver, cp_devclass, cp_modevent, NULL); 2285MODULE_VERSION (cp, 1); 2286