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sys/dev/cp/if_cp.c
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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: src/sys/dev/cp/if_cp.c,v 1.12.2.3 2005/07/25 07:08:26 rik Exp $"); 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/socket.h> 37 #include <sys/sockio.h> 38 #include <sys/sysctl.h> 39 #include <sys/tty.h> 40 #include <sys/bus.h> 41 #include <vm/vm.h> 42 #include <vm/pmap.h> 43 #include <net/if.h> 44 #include <dev/pci/pcivar.h> 45 #include <dev/pci/pcireg.h> 46 #include <machine/bus.h> 47 #include <sys/rman.h> 48 #include "opt_ng_cronyx.h" 49 #ifdef NETGRAPH_CRONYX 50 # include "opt_netgraph.h" 51 # ifndef NETGRAPH 52 # error #option NETGRAPH missed from configuration 53 # endif 54 # include <netgraph/ng_message.h> 55 # include <netgraph/netgraph.h> 56 # include <dev/cp/ng_cp.h> 57 #else 58 # include <net/if_sppp.h> 59 # define PP_CISCO IFF_LINK2 60 # include <net/bpf.h> 61 #endif 62 #include <dev/cx/machdep.h> 63 #include <dev/cp/cpddk.h> 64 #include <machine/cserial.h> 65 #include <machine/resource.h> 66 #include <machine/pmap.h> 67 68 /* If we don't have Cronyx's sppp version, we don't have fr support via sppp */ 69 #ifndef PP_FR 70 #define PP_FR 0 71 #endif 72 73 #define CP_DEBUG(d,s) ({if (d->chan->debug) {\ 74 printf ("%s: ", d->name); printf s;}}) 75 #define CP_DEBUG2(d,s) ({if (d->chan->debug>1) {\ 76 printf ("%s: ", d->name); printf s;}}) 77 #define CP_LOCK_NAME "cpX" 78 79 static int cp_mpsafenet = 1; 80 TUNABLE_INT("debug.cp.mpsafenet", &cp_mpsafenet); 81 SYSCTL_NODE(_debug, OID_AUTO, cp, CTLFLAG_RD, 0, "Cronyx Tau-PCI Adapters"); 82 SYSCTL_INT(_debug_cp, OID_AUTO, mpsafenet, CTLFLAG_RD, &cp_mpsafenet, 0, 83 "Enable/disable MPSAFE network support for Cronyx Tau-PCI Adapters"); 84 85 #define CP_LOCK(_bd) do { \ 86 if (cp_mpsafenet) \ 87 mtx_lock (&(_bd)->cp_mtx); \ 88 } while (0) 89 #define CP_UNLOCK(_bd) do { \ 90 if (cp_mpsafenet) \ 91 mtx_unlock (&(_bd)->cp_mtx); \ 92 } while (0) 93 94 #define CP_LOCK_ASSERT(_bd) do { \ 95 if (cp_mpsafenet) \ 96 mtx_assert (&(_bd)->cp_mtx, MA_OWNED); \ 97 } while (0) 98 99 #define CDEV_MAJOR 134 100 101 static int cp_probe __P((device_t)); 102 static int cp_attach __P((device_t)); 103 static int cp_detach __P((device_t)); 104 105 static device_method_t cp_methods[] = { 106 /* Device interface */ 107 DEVMETHOD(device_probe, cp_probe), 108 DEVMETHOD(device_attach, cp_attach), 109 DEVMETHOD(device_detach, cp_detach), 110 111 {0, 0} 112 }; 113 114 typedef struct _cp_dma_mem_t { 115 unsigned long phys; 116 void *virt; 117 size_t size; 118 bus_dma_tag_t dmat; 119 bus_dmamap_t mapp; 120 } cp_dma_mem_t; 121 122 typedef struct _drv_t { 123 char name [8]; 124 int running; 125 cp_chan_t *chan; 126 cp_board_t *board; 127 cp_dma_mem_t dmamem; 128 #ifdef NETGRAPH 129 char nodename [NG_NODELEN+1]; 130 hook_p hook; 131 hook_p debug_hook; 132 node_p node; 133 struct ifqueue queue; 134 struct ifqueue hi_queue; 135 short timeout; 136 struct callout timeout_handle; 137 #else 138 struct ifqueue queue; 139 struct sppp pp; 140 #endif 141 struct cdev *devt; 142 } drv_t; 143 144 typedef struct _bdrv_t { 145 cp_board_t *board; 146 struct resource *cp_res; 147 struct resource *cp_irq; 148 void *cp_intrhand; 149 cp_dma_mem_t dmamem; 150 drv_t channel [NCHAN]; 151 struct mtx cp_mtx; 152 } bdrv_t; 153 154 static driver_t cp_driver = { 155 "cp", 156 cp_methods, 157 sizeof(bdrv_t), 158 }; 159 160 static devclass_t cp_devclass; 161 162 static void cp_receive (cp_chan_t *c, unsigned char *data, int len); 163 static void cp_transmit (cp_chan_t *c, void *attachment, int len); 164 static void cp_error (cp_chan_t *c, int data); 165 static void cp_up (drv_t *d); 166 static void cp_start (drv_t *d); 167 static void cp_down (drv_t *d); 168 static void cp_watchdog (drv_t *d); 169 #ifdef NETGRAPH 170 extern struct ng_type typestruct; 171 #else 172 static void cp_ifstart (struct ifnet *ifp); 173 static void cp_tlf (struct sppp *sp); 174 static void cp_tls (struct sppp *sp); 175 static void cp_ifwatchdog (struct ifnet *ifp); 176 static int cp_sioctl (struct ifnet *ifp, u_long cmd, caddr_t data); 177 static void cp_initialize (void *softc); 178 #endif 179 180 static cp_board_t *adapter [NBRD]; 181 static drv_t *channel [NBRD*NCHAN]; 182 static struct callout led_timo [NBRD]; 183 static struct callout timeout_handle; 184 185 static int cp_destroy = 0; 186 187 /* 188 * Print the mbuf chain, for debug purposes only. 189 */ 190 static void printmbuf (struct mbuf *m) 191 { 192 printf ("mbuf:"); 193 for (; m; m=m->m_next) { 194 if (m->m_flags & M_PKTHDR) 195 printf (" HDR %d:", m->m_pkthdr.len); 196 if (m->m_flags & M_EXT) 197 printf (" EXT:"); 198 printf (" %d", m->m_len); 199 } 200 printf ("\n"); 201 } 202 203 /* 204 * Make an mbuf from data. 205 */ 206 static struct mbuf *makembuf (void *buf, unsigned len) 207 { 208 struct mbuf *m; 209 210 MGETHDR (m, M_DONTWAIT, MT_DATA); 211 if (! m) 212 return 0; 213 MCLGET (m, M_DONTWAIT); 214 if (! (m->m_flags & M_EXT)) { 215 m_freem (m); 216 return 0; 217 } 218 m->m_pkthdr.len = m->m_len = len; 219 bcopy (buf, mtod (m, caddr_t), len); 220 return m; 221 } 222 223 static int cp_probe (device_t dev) 224 { 225 if ((pci_get_vendor (dev) == cp_vendor_id) && 226 (pci_get_device (dev) == cp_device_id)) { 227 device_set_desc (dev, "Cronyx-Tau-PCI serial adapter"); 228 return 0; 229 } 230 return ENXIO; 231 } 232 233 static void cp_timeout (void *arg) 234 { 235 drv_t *d; 236 int s, i, k; 237 238 for (i = 0; i < NBRD; ++i) { 239 if (adapter[i] == NULL) 240 continue; 241 for (k = 0; k < NCHAN; ++k) { 242 s = splimp (); 243 if (cp_destroy) { 244 splx (s); 245 return; 246 } 247 d = channel[i * NCHAN + k]; 248 if (!d) { 249 splx (s); 250 continue; 251 } 252 CP_LOCK ((bdrv_t *)d->board->sys); 253 switch (d->chan->type) { 254 case T_G703: 255 cp_g703_timer (d->chan); 256 break; 257 case T_E1: 258 cp_e1_timer (d->chan); 259 break; 260 case T_E3: 261 case T_T3: 262 case T_STS1: 263 cp_e3_timer (d->chan); 264 break; 265 default: 266 break; 267 } 268 CP_UNLOCK ((bdrv_t *)d->board->sys); 269 splx (s); 270 } 271 } 272 s = splimp (); 273 if (!cp_destroy) 274 callout_reset (&timeout_handle, hz, cp_timeout, 0); 275 splx (s); 276 } 277 278 static void cp_led_off (void *arg) 279 { 280 cp_board_t *b = arg; 281 bdrv_t *bd = (bdrv_t *) b->sys; 282 int s; 283 s = splimp (); 284 if (cp_destroy) { 285 splx (s); 286 return; 287 } 288 CP_LOCK (bd); 289 cp_led (b, 0); 290 CP_UNLOCK (bd); 291 splx (s); 292 } 293 294 static void cp_intr (void *arg) 295 { 296 bdrv_t *bd = arg; 297 cp_board_t *b = bd->board; 298 #ifndef NETGRAPH 299 int i; 300 #endif 301 int s = splimp (); 302 if (cp_destroy) { 303 splx (s); 304 return; 305 } 306 CP_LOCK (bd); 307 /* Check if we are ready */ 308 if (b->sys == NULL) { 309 /* Not we are not, just cleanup. */ 310 cp_interrupt_poll (b, 1); 311 CP_UNLOCK (bd); 312 return; 313 } 314 /* Turn LED on. */ 315 cp_led (b, 1); 316 317 cp_interrupt (b); 318 319 /* Turn LED off 50 msec later. */ 320 callout_reset (&led_timo[b->num], hz/20, cp_led_off, b); 321 CP_UNLOCK (bd); 322 splx (s); 323 324 #ifndef NETGRAPH 325 /* Pass packets in a lock-free state */ 326 for (i = 0; i < NCHAN && b->chan[i].type; i++) { 327 drv_t *d = b->chan[i].sys; 328 struct mbuf *m; 329 if (!d || !d->running) 330 continue; 331 while (_IF_QLEN(&d->queue)) { 332 IF_DEQUEUE (&d->queue,m); 333 if (!m) 334 continue; 335 sppp_input (&d->pp.pp_if, m); 336 } 337 } 338 #endif 339 } 340 341 extern struct cdevsw cp_cdevsw; 342 343 static void 344 cp_bus_dmamap_addr (void *arg, bus_dma_segment_t *segs, int nseg, int error) 345 { 346 unsigned long *addr; 347 348 if (error) 349 return; 350 351 KASSERT(nseg == 1, ("too many DMA segments, %d should be 1", nseg)); 352 addr = arg; 353 *addr = segs->ds_addr; 354 } 355 356 static int 357 cp_bus_dma_mem_alloc (int bnum, int cnum, cp_dma_mem_t *dmem) 358 { 359 int error; 360 361 error = bus_dma_tag_create (NULL, 16, 0, BUS_SPACE_MAXADDR_32BIT, 362 BUS_SPACE_MAXADDR, NULL, NULL, dmem->size, 1, 363 dmem->size, 0, NULL, NULL, &dmem->dmat); 364 if (error) { 365 if (cnum >= 0) printf ("cp%d-%d: ", bnum, cnum); 366 else printf ("cp%d: ", bnum); 367 printf ("couldn't allocate tag for dma memory\n"); 368 return 0; 369 } 370 error = bus_dmamem_alloc (dmem->dmat, (void **)&dmem->virt, 371 BUS_DMA_NOWAIT | BUS_DMA_ZERO, &dmem->mapp); 372 if (error) { 373 if (cnum >= 0) printf ("cp%d-%d: ", bnum, cnum); 374 else printf ("cp%d: ", bnum); 375 printf ("couldn't allocate mem for dma memory\n"); 376 bus_dma_tag_destroy (dmem->dmat); 377 return 0; 378 } 379 error = bus_dmamap_load (dmem->dmat, dmem->mapp, dmem->virt, 380 dmem->size, cp_bus_dmamap_addr, &dmem->phys, 0); 381 if (error) { 382 if (cnum >= 0) printf ("cp%d-%d: ", bnum, cnum); 383 else printf ("cp%d: ", bnum); 384 printf ("couldn't load mem map for dma memory\n"); 385 bus_dmamem_free (dmem->dmat, dmem->virt, dmem->mapp); 386 bus_dma_tag_destroy (dmem->dmat); 387 return 0; 388 } 389 return 1; 390 } 391 392 static void 393 cp_bus_dma_mem_free (cp_dma_mem_t *dmem) 394 { 395 bus_dmamap_unload (dmem->dmat, dmem->mapp); 396 bus_dmamem_free (dmem->dmat, dmem->virt, dmem->mapp); 397 bus_dma_tag_destroy (dmem->dmat); 398 } 399 400 /* 401 * Called if the probe succeeded. 402 */ 403 static int cp_attach (device_t dev) 404 { 405 bdrv_t *bd = device_get_softc (dev); 406 int unit = device_get_unit (dev); 407 char *cp_ln = CP_LOCK_NAME; 408 unsigned short res; 409 vm_offset_t vbase; 410 int rid, error; 411 cp_board_t *b; 412 cp_chan_t *c; 413 drv_t *d; 414 int s = splimp (); 415 416 b = malloc (sizeof(cp_board_t), M_DEVBUF, M_WAITOK); 417 if (!b) { 418 printf ("cp%d: couldn't allocate memory\n", unit); 419 splx (s); 420 return (ENXIO); 421 } 422 bzero (b, sizeof(cp_board_t)); 423 424 bd->board = b; 425 rid = PCIR_BAR(0); 426 bd->cp_res = bus_alloc_resource (dev, SYS_RES_MEMORY, &rid, 427 0, ~0, 1, RF_ACTIVE); 428 if (! bd->cp_res) { 429 printf ("cp%d: cannot map memory\n", unit); 430 free (b, M_DEVBUF); 431 splx (s); 432 return (ENXIO); 433 } 434 vbase = (vm_offset_t) rman_get_virtual (bd->cp_res); 435 436 cp_ln[2] = '' + unit; 437 mtx_init (&bd->cp_mtx, cp_ln, MTX_NETWORK_LOCK, MTX_DEF|MTX_RECURSE); 438 res = cp_init (b, unit, (u_char*) vbase); 439 if (res) { 440 printf ("cp%d: can't init, error code:%x\n", unit, res); 441 bus_release_resource (dev, SYS_RES_MEMORY, PCIR_BAR(0), bd->cp_res); 442 free (b, M_DEVBUF); 443 splx (s); 444 return (ENXIO); 445 } 446 447 bd->dmamem.size = sizeof(cp_qbuf_t); 448 if (! cp_bus_dma_mem_alloc (unit, -1, &bd->dmamem)) { 449 free (b, M_DEVBUF); 450 splx (s); 451 return (ENXIO); 452 } 453 CP_LOCK (bd); 454 cp_reset (b, bd->dmamem.virt, bd->dmamem.phys); 455 CP_UNLOCK (bd); 456 457 rid = 0; 458 bd->cp_irq = bus_alloc_resource (dev, SYS_RES_IRQ, &rid, 0, ~0, 1, 459 RF_SHAREABLE | RF_ACTIVE); 460 if (! bd->cp_irq) { 461 cp_destroy = 1; 462 printf ("cp%d: cannot map interrupt\n", unit); 463 bus_release_resource (dev, SYS_RES_MEMORY, 464 PCIR_BAR(0), bd->cp_res); 465 mtx_destroy (&bd->cp_mtx); 466 free (b, M_DEVBUF); 467 splx (s); 468 return (ENXIO); 469 } 470 callout_init (&led_timo[unit], cp_mpsafenet ? CALLOUT_MPSAFE : 0); 471 error = bus_setup_intr (dev, bd->cp_irq, 472 INTR_TYPE_NET|(cp_mpsafenet?INTR_MPSAFE:0), 473 cp_intr, bd, &bd->cp_intrhand); 474 if (error) { 475 cp_destroy = 1; 476 printf ("cp%d: cannot set up irq\n", unit); 477 bus_release_resource (dev, SYS_RES_IRQ, 0, bd->cp_irq); 478 bus_release_resource (dev, SYS_RES_MEMORY, 479 PCIR_BAR(0), bd->cp_res); 480 mtx_destroy (&bd->cp_mtx); 481 free (b, M_DEVBUF); 482 splx (s); 483 return (ENXIO); 484 } 485 printf ("cp%d: %s, clock %ld MHz\n", unit, b->name, b->osc / 1000000); 486 487 for (c = b->chan; c < b->chan + NCHAN; ++c) { 488 if (! c->type) 489 continue; 490 d = &bd->channel[c->num]; 491 d->dmamem.size = sizeof(cp_buf_t); 492 if (! cp_bus_dma_mem_alloc (unit, c->num, &d->dmamem)) 493 continue; 494 channel [b->num*NCHAN + c->num] = d; 495 sprintf (d->name, "cp%d.%d", b->num, c->num); 496 d->board = b; 497 d->chan = c; 498 c->sys = d; 499 #ifdef NETGRAPH 500 if (ng_make_node_common (&typestruct, &d->node) != 0) { 501 printf ("%s: cannot make common node\n", d->name); 502 d->node = NULL; 503 continue; 504 } 505 NG_NODE_SET_PRIVATE (d->node, d); 506 sprintf (d->nodename, "%s%d", NG_CP_NODE_TYPE, 507 c->board->num*NCHAN + c->num); 508 if (ng_name_node (d->node, d->nodename)) { 509 printf ("%s: cannot name node\n", d->nodename); 510 NG_NODE_UNREF (d->node); 511 continue; 512 } 513 d->queue.ifq_maxlen = IFQ_MAXLEN; 514 d->hi_queue.ifq_maxlen = IFQ_MAXLEN; 515 mtx_init (&d->queue.ifq_mtx, "cp_queue", NULL, MTX_DEF); 516 mtx_init (&d->hi_queue.ifq_mtx, "cp_queue_hi", NULL, MTX_DEF); 517 callout_init (&d->timeout_handle, 518 cp_mpsafenet ? CALLOUT_MPSAFE : 0); 519 #else /*NETGRAPH*/ 520 d->pp.pp_if.if_softc = d; 521 if_initname (&d->pp.pp_if, "cp", b->num * NCHAN + c->num); 522 d->pp.pp_if.if_mtu = PP_MTU; 523 d->pp.pp_if.if_flags = IFF_POINTOPOINT | IFF_MULTICAST; 524 if (!cp_mpsafenet) 525 d->pp.pp_if.if_flags |= IFF_NEEDSGIANT; 526 d->pp.pp_if.if_ioctl = cp_sioctl; 527 d->pp.pp_if.if_start = cp_ifstart; 528 d->pp.pp_if.if_watchdog = cp_ifwatchdog; 529 d->pp.pp_if.if_init = cp_initialize; 530 d->queue.ifq_maxlen = NRBUF; 531 mtx_init (&d->queue.ifq_mtx, "cp_queue", NULL, MTX_DEF); 532 sppp_attach (&d->pp.pp_if); 533 if_attach (&d->pp.pp_if); 534 d->pp.pp_tlf = cp_tlf; 535 d->pp.pp_tls = cp_tls; 536 /* If BPF is in the kernel, call the attach for it. 537 * The header size of PPP or Cisco/HDLC is 4 bytes. */ 538 bpfattach (&d->pp.pp_if, DLT_PPP, 4); 539 #endif /*NETGRAPH*/ 540 cp_start_e1 (c); 541 cp_start_chan (c, 1, 1, d->dmamem.virt, d->dmamem.phys); 542 543 /* Register callback functions. */ 544 cp_register_transmit (c, &cp_transmit); 545 cp_register_receive (c, &cp_receive); 546 cp_register_error (c, &cp_error); 547 d->devt = make_dev (&cp_cdevsw, b->num*NCHAN+c->num, UID_ROOT, 548 GID_WHEEL, 0600, "cp%d", b->num*NCHAN+c->num); 549 } 550 CP_LOCK (bd); 551 b->sys = bd; 552 adapter[unit] = b; 553 CP_UNLOCK (bd); 554 splx (s); 555 return 0; 556 } 557 558 static int cp_detach (device_t dev) 559 { 560 bdrv_t *bd = device_get_softc (dev); 561 cp_board_t *b = bd->board; 562 cp_chan_t *c; 563 int s; 564 565 KASSERT (mtx_initialized (&bd->cp_mtx), ("cp mutex not initialized")); 566 s = splimp (); 567 CP_LOCK (bd); 568 /* Check if the device is busy (open). */ 569 for (c = b->chan; c < b->chan + NCHAN; ++c) { 570 drv_t *d = (drv_t*) c->sys; 571 572 if (! d || ! d->chan->type) 573 continue; 574 if (d->running) { 575 CP_UNLOCK (bd); 576 splx (s); 577 return EBUSY; 578 } 579 } 580 581 /* Ok, we can unload driver */ 582 /* At first we should stop all channels */ 583 for (c = b->chan; c < b->chan + NCHAN; ++c) { 584 drv_t *d = (drv_t*) c->sys; 585 586 if (! d || ! d->chan->type) 587 continue; 588 589 cp_stop_chan (c); 590 cp_stop_e1 (c); 591 cp_set_dtr (d->chan, 0); 592 cp_set_rts (d->chan, 0); 593 } 594 595 /* Reset the adapter. */ 596 cp_destroy = 1; 597 cp_interrupt_poll (b, 1); 598 cp_led_off (b); 599 cp_reset (b, 0 ,0); 600 callout_stop (&led_timo[b->num]); 601 602 for (c=b->chan; c<b->chan+NCHAN; ++c) { 603 drv_t *d = (drv_t*) c->sys; 604 605 if (! d || ! d->chan->type) 606 continue; 607 #ifndef NETGRAPH 608 /* Detach from the packet filter list of interfaces. */ 609 bpfdetach (&d->pp.pp_if); 610 611 /* Detach from the sync PPP list. */ 612 sppp_detach (&d->pp.pp_if); 613 614 /* Detach from the system list of interfaces. */ 615 if_detach (&d->pp.pp_if); 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 /* Disable the interrupt request. */ 634 bus_teardown_intr (dev, bd->cp_irq, bd->cp_intrhand); 635 bus_deactivate_resource (dev, SYS_RES_IRQ, 0, bd->cp_irq); 636 bus_release_resource (dev, SYS_RES_IRQ, 0, bd->cp_irq); 637 bus_release_resource (dev, SYS_RES_MEMORY, PCIR_BAR(0), bd->cp_res); 638 639 CP_LOCK (bd); 640 cp_led_off (b); 641 CP_UNLOCK (bd); 642 callout_drain (&led_timo[b->num]); 643 splx (s); 644 645 s = splimp (); 646 for (c = b->chan; c < b->chan + NCHAN; ++c) { 647 drv_t *d = (drv_t*) c->sys; 648 649 if (! d || ! d->chan->type) 650 continue; 651 channel [b->num*NCHAN + c->num] = 0; 652 /* Deallocate buffers. */ 653 cp_bus_dma_mem_free (&d->dmamem); 654 } 655 adapter [b->num] = 0; 656 cp_bus_dma_mem_free (&bd->dmamem); 657 free (b, M_DEVBUF); 658 splx (s); 659 mtx_destroy (&bd->cp_mtx); 660 return 0; 661 } 662 663 #ifndef NETGRAPH 664 static void cp_ifstart (struct ifnet *ifp) 665 { 666 drv_t *d = ifp->if_softc; 667 bdrv_t *bd = d->board->sys; 668 669 CP_LOCK (bd); 670 cp_start (d); 671 CP_UNLOCK (bd); 672 } 673 674 static void cp_ifwatchdog (struct ifnet *ifp) 675 { 676 drv_t *d = ifp->if_softc; 677 678 cp_watchdog (d); 679 } 680 681 static void cp_tlf (struct sppp *sp) 682 { 683 drv_t *d = sp->pp_if.if_softc; 684 685 CP_DEBUG2 (d, ("cp_tlf\n")); 686 /* XXXRIK: Don't forget to protect them by LOCK, or kill them. */ 687 /* cp_set_dtr (d->chan, 0);*/ 688 /* cp_set_rts (d->chan, 0);*/ 689 if (!(d->pp.pp_flags & PP_FR) && !(d->pp.pp_if.if_flags & PP_CISCO)) 690 sp->pp_down (sp); 691 } 692 693 static void cp_tls (struct sppp *sp) 694 { 695 drv_t *d = sp->pp_if.if_softc; 696 697 CP_DEBUG2 (d, ("cp_tls\n")); 698 if (!(d->pp.pp_flags & PP_FR) && !(d->pp.pp_if.if_flags & PP_CISCO)) 699 sp->pp_up (sp); 700 } 701 702 /* 703 * Process an ioctl request. 704 */ 705 static int cp_sioctl (struct ifnet *ifp, u_long cmd, caddr_t data) 706 { 707 drv_t *d = ifp->if_softc; 708 bdrv_t *bd = d->board->sys; 709 int error, s, was_up, should_be_up; 710 711 was_up = (ifp->if_flags & IFF_RUNNING) != 0; 712 error = sppp_ioctl (ifp, cmd, data); 713 714 if (error) 715 return error; 716 717 if (! (ifp->if_flags & IFF_DEBUG)) 718 d->chan->debug = 0; 719 else if (! d->chan->debug) 720 d->chan->debug = 1; 721 722 switch (cmd) { 723 default: CP_DEBUG2 (d, ("ioctl 0x%lx\n", cmd)); return 0; 724 case SIOCADDMULTI: CP_DEBUG2 (d, ("ioctl SIOCADDMULTI\n")); return 0; 725 case SIOCDELMULTI: CP_DEBUG2 (d, ("ioctl SIOCDELMULTI\n")); return 0; 726 case SIOCSIFFLAGS: CP_DEBUG2 (d, ("ioctl SIOCSIFFLAGS\n")); break; 727 case SIOCSIFADDR: CP_DEBUG2 (d, ("ioctl SIOCSIFADDR\n")); break; 728 } 729 730 /* We get here only in case of SIFFLAGS or SIFADDR. */ 731 s = splimp (); 732 CP_LOCK (bd); 733 should_be_up = (ifp->if_flags & IFF_RUNNING) != 0; 734 if (! was_up && should_be_up) { 735 /* Interface goes up -- start it. */ 736 cp_up (d); 737 cp_start (d); 738 } else if (was_up && ! should_be_up) { 739 /* Interface is going down -- stop it. */ 740 /* if ((d->pp.pp_flags & PP_FR) || (ifp->if_flags & PP_CISCO))*/ 741 cp_down (d); 742 } 743 CP_DEBUG (d, ("ioctl 0x%lx p4\n", cmd)); 744 CP_UNLOCK (bd); 745 splx (s); 746 return 0; 747 } 748 749 /* 750 * Initialization of interface. 751 * It seems to be never called by upper level? 752 */ 753 static void cp_initialize (void *softc) 754 { 755 drv_t *d = softc; 756 757 CP_DEBUG (d, ("cp_initialize\n")); 758 } 759 #endif /*NETGRAPH*/ 760 761 /* 762 * Stop the interface. Called on splimp(). 763 */ 764 static void cp_down (drv_t *d) 765 { 766 CP_DEBUG (d, ("cp_down\n")); 767 /* Interface is going down -- stop it. */ 768 cp_set_dtr (d->chan, 0); 769 cp_set_rts (d->chan, 0); 770 771 d->running = 0; 772 } 773 774 /* 775 * Start the interface. Called on splimp(). 776 */ 777 static void cp_up (drv_t *d) 778 { 779 CP_DEBUG (d, ("cp_up\n")); 780 cp_set_dtr (d->chan, 1); 781 cp_set_rts (d->chan, 1); 782 d->running = 1; 783 } 784 785 /* 786 * Start output on the interface. Get another datagram to send 787 * off of the interface queue, and copy it to the interface 788 * before starting the output. 789 */ 790 static void cp_send (drv_t *d) 791 { 792 struct mbuf *m; 793 u_short len; 794 795 CP_DEBUG2 (d, ("cp_send, tn=%d te=%d\n", d->chan->tn, d->chan->te)); 796 797 /* No output if the interface is down. */ 798 if (! d->running) 799 return; 800 801 /* No output if the modem is off. */ 802 if (! (d->chan->lloop || d->chan->type != T_SERIAL || 803 cp_get_dsr (d->chan))) 804 return; 805 806 while (cp_transmit_space (d->chan)) { 807 /* Get the packet to send. */ 808 #ifdef NETGRAPH 809 IF_DEQUEUE (&d->hi_queue, m); 810 if (! m) 811 IF_DEQUEUE (&d->queue, m); 812 #else 813 m = sppp_dequeue (&d->pp.pp_if); 814 #endif 815 if (! m) 816 return; 817 #ifndef NETGRAPH 818 if (d->pp.pp_if.if_bpf) 819 BPF_MTAP (&d->pp.pp_if, m); 820 #endif 821 len = m_length (m, NULL); 822 if (len >= BUFSZ) 823 printf ("%s: too long packet: %d bytes: ", 824 d->name, len); 825 else if (! m->m_next) 826 cp_send_packet (d->chan, (u_char*) mtod (m, caddr_t), len, 0); 827 else { 828 u_char *buf = d->chan->tbuf[d->chan->te]; 829 m_copydata (m, 0, len, buf); 830 cp_send_packet (d->chan, buf, len, 0); 831 } 832 m_freem (m); 833 /* Set up transmit timeout, if the transmit ring is not empty.*/ 834 #ifdef NETGRAPH 835 d->timeout = 10; 836 #else 837 d->pp.pp_if.if_timer = 10; 838 #endif 839 } 840 #ifndef NETGRAPH 841 d->pp.pp_if.if_flags |= IFF_OACTIVE; 842 #endif 843 } 844 845 /* 846 * Start output on the interface. 847 * Always called on splimp(). 848 */ 849 static void cp_start (drv_t *d) 850 { 851 if (d->running) { 852 if (! d->chan->dtr) 853 cp_set_dtr (d->chan, 1); 854 if (! d->chan->rts) 855 cp_set_rts (d->chan, 1); 856 cp_send (d); 857 } 858 } 859 860 /* 861 * Handle transmit timeouts. 862 * Recover after lost transmit interrupts. 863 * Always called on splimp(). 864 */ 865 static void cp_watchdog (drv_t *d) 866 { 867 bdrv_t *bd = d->board->sys; 868 CP_DEBUG (d, ("device timeout\n")); 869 if (d->running) { 870 int s = splimp (); 871 872 CP_LOCK (bd); 873 cp_stop_chan (d->chan); 874 cp_stop_e1 (d->chan); 875 cp_start_e1 (d->chan); 876 cp_start_chan (d->chan, 1, 1, 0, 0); 877 cp_set_dtr (d->chan, 1); 878 cp_set_rts (d->chan, 1); 879 cp_start (d); 880 CP_UNLOCK (bd); 881 splx (s); 882 } 883 } 884 885 static void cp_transmit (cp_chan_t *c, void *attachment, int len) 886 { 887 drv_t *d = c->sys; 888 889 #ifdef NETGRAPH 890 d->timeout = 0; 891 #else 892 ++d->pp.pp_if.if_opackets; 893 d->pp.pp_if.if_flags &= ~IFF_OACTIVE; 894 d->pp.pp_if.if_timer = 0; 895 #endif 896 cp_start (d); 897 } 898 899 static void cp_receive (cp_chan_t *c, unsigned char *data, int len) 900 { 901 drv_t *d = c->sys; 902 struct mbuf *m; 903 #ifdef NETGRAPH 904 int error; 905 #endif 906 907 if (! d->running) 908 return; 909 910 m = makembuf (data, len); 911 if (! m) { 912 CP_DEBUG (d, ("no memory for packet\n")); 913 #ifndef NETGRAPH 914 ++d->pp.pp_if.if_iqdrops; 915 #endif 916 return; 917 } 918 if (c->debug > 1) 919 printmbuf (m); 920 #ifdef NETGRAPH 921 m->m_pkthdr.rcvif = 0; 922 NG_SEND_DATA_ONLY (error, d->hook, m); 923 #else 924 ++d->pp.pp_if.if_ipackets; 925 m->m_pkthdr.rcvif = &d->pp.pp_if; 926 /* Check if there's a BPF listener on this interface. 927 * If so, hand off the raw packet to bpf. */ 928 if (d->pp.pp_if.if_bpf) 929 BPF_TAP (&d->pp.pp_if, data, len); 930 IF_ENQUEUE (&d->queue, m); 931 #endif 932 } 933 934 static void cp_error (cp_chan_t *c, int data) 935 { 936 drv_t *d = c->sys; 937 938 switch (data) { 939 case CP_FRAME: 940 CP_DEBUG (d, ("frame error\n")); 941 #ifndef NETGRAPH 942 ++d->pp.pp_if.if_ierrors; 943 #endif 944 break; 945 case CP_CRC: 946 CP_DEBUG (d, ("crc error\n")); 947 #ifndef NETGRAPH 948 ++d->pp.pp_if.if_ierrors; 949 #endif 950 break; 951 case CP_OVERRUN: 952 CP_DEBUG (d, ("overrun error\n")); 953 #ifndef NETGRAPH 954 ++d->pp.pp_if.if_collisions; 955 ++d->pp.pp_if.if_ierrors; 956 #endif 957 break; 958 case CP_OVERFLOW: 959 CP_DEBUG (d, ("overflow error\n")); 960 #ifndef NETGRAPH 961 ++d->pp.pp_if.if_ierrors; 962 #endif 963 break; 964 case CP_UNDERRUN: 965 CP_DEBUG (d, ("underrun error\n")); 966 #ifdef NETGRAPH 967 d->timeout = 0; 968 #else 969 ++d->pp.pp_if.if_oerrors; 970 d->pp.pp_if.if_flags &= ~IFF_OACTIVE; 971 d->pp.pp_if.if_timer = 0; 972 #endif 973 cp_start (d); 974 break; 975 default: 976 CP_DEBUG (d, ("error #%d\n", data)); 977 break; 978 } 979 } 980 981 /* 982 * You also need read, write, open, close routines. 983 * This should get you started 984 */ 985 static int cp_open (struct cdev *dev, int oflags, int devtype, struct thread *td) 986 { 987 int unit = minor (dev); 988 drv_t *d; 989 990 if (unit >= NBRD*NCHAN || ! (d = channel[unit])) 991 return ENXIO; 992 CP_DEBUG2 (d, ("cp_open\n")); 993 return 0; 994 } 995 996 /* 997 * Only called on the LAST close. 998 */ 999 static int cp_close (struct cdev *dev, int fflag, int devtype, struct thread *td) 1000 { 1001 drv_t *d = channel [minor (dev)]; 1002 1003 CP_DEBUG2 (d, ("cp_close\n")); 1004 return 0; 1005 } 1006 1007 static int cp_modem_status (cp_chan_t *c) 1008 { 1009 drv_t *d = c->sys; 1010 bdrv_t *bd = d->board->sys; 1011 int status, s; 1012 1013 status = d->running ? TIOCM_LE : 0; 1014 s = splimp (); 1015 CP_LOCK (bd); 1016 if (cp_get_cd (c)) status |= TIOCM_CD; 1017 if (cp_get_cts (c)) status |= TIOCM_CTS; 1018 if (cp_get_dsr (c)) status |= TIOCM_DSR; 1019 if (c->dtr) status |= TIOCM_DTR; 1020 if (c->rts) status |= TIOCM_RTS; 1021 CP_UNLOCK (bd); 1022 splx (s); 1023 return status; 1024 } 1025 1026 static int cp_ioctl (struct cdev *dev, u_long cmd, caddr_t data, int flag, struct thread *td) 1027 { 1028 drv_t *d = channel [minor (dev)]; 1029 bdrv_t *bd = d->board->sys; 1030 cp_chan_t *c = d->chan; 1031 struct serial_statistics *st; 1032 struct e1_statistics *opte1; 1033 struct e3_statistics *opte3; 1034 int error, s; 1035 char mask[16]; 1036 1037 switch (cmd) { 1038 case SERIAL_GETREGISTERED: 1039 CP_DEBUG2 (d, ("ioctl: getregistered\n")); 1040 bzero (mask, sizeof(mask)); 1041 for (s=0; s<NBRD*NCHAN; ++s) 1042 if (channel [s]) 1043 mask [s/8] |= 1 << (s & 7); 1044 bcopy (mask, data, sizeof (mask)); 1045 return 0; 1046 1047 #ifndef NETGRAPH 1048 case SERIAL_GETPROTO: 1049 CP_DEBUG2 (d, ("ioctl: getproto\n")); 1050 strcpy ((char*)data, (d->pp.pp_flags & PP_FR) ? "fr" : 1051 (d->pp.pp_if.if_flags & PP_CISCO) ? "cisco" : "ppp"); 1052 return 0; 1053 1054 case SERIAL_SETPROTO: 1055 CP_DEBUG2 (d, ("ioctl: setproto\n")); 1056 /* Only for superuser! */ 1057 error = suser (td); 1058 if (error) 1059 return error; 1060 if (d->pp.pp_if.if_flags & IFF_RUNNING) 1061 return EBUSY; 1062 if (! strcmp ("cisco", (char*)data)) { 1063 d->pp.pp_flags &= ~(PP_FR); 1064 d->pp.pp_flags |= PP_KEEPALIVE; 1065 d->pp.pp_if.if_flags |= PP_CISCO; 1066 } else if (! strcmp ("fr", (char*)data) && PP_FR) { 1067 d->pp.pp_if.if_flags &= ~(PP_CISCO); 1068 d->pp.pp_flags |= PP_FR | PP_KEEPALIVE; 1069 } else if (! strcmp ("ppp", (char*)data)) { 1070 d->pp.pp_flags &= ~PP_FR; 1071 d->pp.pp_flags &= ~PP_KEEPALIVE; 1072 d->pp.pp_if.if_flags &= ~(PP_CISCO); 1073 } else 1074 return EINVAL; 1075 return 0; 1076 1077 case SERIAL_GETKEEPALIVE: 1078 CP_DEBUG2 (d, ("ioctl: getkeepalive\n")); 1079 if ((d->pp.pp_flags & PP_FR) || 1080 (d->pp.pp_if.if_flags & PP_CISCO)) 1081 return EINVAL; 1082 *(int*)data = (d->pp.pp_flags & PP_KEEPALIVE) ? 1 : 0; 1083 return 0; 1084 1085 case SERIAL_SETKEEPALIVE: 1086 CP_DEBUG2 (d, ("ioctl: setkeepalive\n")); 1087 /* Only for superuser! */ 1088 error = suser (td); 1089 if (error) 1090 return error; 1091 if ((d->pp.pp_flags & PP_FR) || 1092 (d->pp.pp_if.if_flags & PP_CISCO)) 1093 return EINVAL; 1094 s = splimp (); 1095 CP_LOCK (bd); 1096 if (*(int*)data) 1097 d->pp.pp_flags |= PP_KEEPALIVE; 1098 else 1099 d->pp.pp_flags &= ~PP_KEEPALIVE; 1100 CP_UNLOCK (bd); 1101 splx (s); 1102 return 0; 1103 #endif /*NETGRAPH*/ 1104 1105 case SERIAL_GETMODE: 1106 CP_DEBUG2 (d, ("ioctl: getmode\n")); 1107 *(int*)data = SERIAL_HDLC; 1108 return 0; 1109 1110 case SERIAL_SETMODE: 1111 /* Only for superuser! */ 1112 error = suser (td); 1113 if (error) 1114 return error; 1115 if (*(int*)data != SERIAL_HDLC) 1116 return EINVAL; 1117 return 0; 1118 1119 case SERIAL_GETCFG: 1120 CP_DEBUG2 (d, ("ioctl: getcfg\n")); 1121 if (c->type != T_E1 || c->unfram) 1122 return EINVAL; 1123 *(char*)data = c->board->mux ? 'c' : 'a'; 1124 return 0; 1125 1126 case SERIAL_SETCFG: 1127 CP_DEBUG2 (d, ("ioctl: setcfg\n")); 1128 error = suser (td); 1129 if (error) 1130 return error; 1131 if (c->type != T_E1) 1132 return EINVAL; 1133 s = splimp (); 1134 CP_LOCK (bd); 1135 cp_set_mux (c->board, *((char*)data) == 'c'); 1136 CP_UNLOCK (bd); 1137 splx (s); 1138 return 0; 1139 1140 case SERIAL_GETSTAT: 1141 CP_DEBUG2 (d, ("ioctl: getstat\n")); 1142 st = (struct serial_statistics*) data; 1143 st->rintr = c->rintr; 1144 st->tintr = c->tintr; 1145 st->mintr = 0; 1146 st->ibytes = c->ibytes; 1147 st->ipkts = c->ipkts; 1148 st->obytes = c->obytes; 1149 st->opkts = c->opkts; 1150 st->ierrs = c->overrun + c->frame + c->crc; 1151 st->oerrs = c->underrun; 1152 return 0; 1153 1154 case SERIAL_GETESTAT: 1155 CP_DEBUG2 (d, ("ioctl: getestat\n")); 1156 if (c->type != T_E1 && c->type != T_G703) 1157 return EINVAL; 1158 opte1 = (struct e1_statistics*) data; 1159 opte1->status = c->status; 1160 opte1->cursec = c->cursec; 1161 opte1->totsec = c->totsec + c->cursec; 1162 1163 opte1->currnt.bpv = c->currnt.bpv; 1164 opte1->currnt.fse = c->currnt.fse; 1165 opte1->currnt.crce = c->currnt.crce; 1166 opte1->currnt.rcrce = c->currnt.rcrce; 1167 opte1->currnt.uas = c->currnt.uas; 1168 opte1->currnt.les = c->currnt.les; 1169 opte1->currnt.es = c->currnt.es; 1170 opte1->currnt.bes = c->currnt.bes; 1171 opte1->currnt.ses = c->currnt.ses; 1172 opte1->currnt.oofs = c->currnt.oofs; 1173 opte1->currnt.css = c->currnt.css; 1174 opte1->currnt.dm = c->currnt.dm; 1175 1176 opte1->total.bpv = c->total.bpv + c->currnt.bpv; 1177 opte1->total.fse = c->total.fse + c->currnt.fse; 1178 opte1->total.crce = c->total.crce + c->currnt.crce; 1179 opte1->total.rcrce = c->total.rcrce + c->currnt.rcrce; 1180 opte1->total.uas = c->total.uas + c->currnt.uas; 1181 opte1->total.les = c->total.les + c->currnt.les; 1182 opte1->total.es = c->total.es + c->currnt.es; 1183 opte1->total.bes = c->total.bes + c->currnt.bes; 1184 opte1->total.ses = c->total.ses + c->currnt.ses; 1185 opte1->total.oofs = c->total.oofs + c->currnt.oofs; 1186 opte1->total.css = c->total.css + c->currnt.css; 1187 opte1->total.dm = c->total.dm + c->currnt.dm; 1188 for (s=0; s<48; ++s) { 1189 opte1->interval[s].bpv = c->interval[s].bpv; 1190 opte1->interval[s].fse = c->interval[s].fse; 1191 opte1->interval[s].crce = c->interval[s].crce; 1192 opte1->interval[s].rcrce = c->interval[s].rcrce; 1193 opte1->interval[s].uas = c->interval[s].uas; 1194 opte1->interval[s].les = c->interval[s].les; 1195 opte1->interval[s].es = c->interval[s].es; 1196 opte1->interval[s].bes = c->interval[s].bes; 1197 opte1->interval[s].ses = c->interval[s].ses; 1198 opte1->interval[s].oofs = c->interval[s].oofs; 1199 opte1->interval[s].css = c->interval[s].css; 1200 opte1->interval[s].dm = c->interval[s].dm; 1201 } 1202 return 0; 1203 1204 case SERIAL_GETE3STAT: 1205 CP_DEBUG2 (d, ("ioctl: gete3stat\n")); 1206 if (c->type != T_E3 && c->type != T_T3 && c->type != T_STS1) 1207 return EINVAL; 1208 opte3 = (struct e3_statistics*) data; 1209 1210 opte3->status = c->e3status; 1211 opte3->cursec = (c->e3csec_5 * 2 + 1) / 10; 1212 opte3->totsec = c->e3tsec + opte3->cursec; 1213 1214 opte3->ccv = c->e3ccv; 1215 opte3->tcv = c->e3tcv + opte3->ccv; 1216 1217 for (s = 0; s < 48; ++s) { 1218 opte3->icv[s] = c->e3icv[s]; 1219 } 1220 return 0; 1221 1222 case SERIAL_CLRSTAT: 1223 CP_DEBUG2 (d, ("ioctl: clrstat\n")); 1224 /* Only for superuser! */ 1225 error = suser (td); 1226 if (error) 1227 return error; 1228 c->rintr = 0; 1229 c->tintr = 0; 1230 c->ibytes = 0; 1231 c->obytes = 0; 1232 c->ipkts = 0; 1233 c->opkts = 0; 1234 c->overrun = 0; 1235 c->frame = 0; 1236 c->crc = 0; 1237 c->underrun = 0; 1238 bzero (&c->currnt, sizeof (c->currnt)); 1239 bzero (&c->total, sizeof (c->total)); 1240 bzero (c->interval, sizeof (c->interval)); 1241 c->e3ccv = 0; 1242 c->e3tcv = 0; 1243 bzero (c->e3icv, sizeof (c->e3icv)); 1244 return 0; 1245 1246 case SERIAL_GETBAUD: 1247 CP_DEBUG2 (d, ("ioctl: getbaud\n")); 1248 *(long*)data = c->baud; 1249 return 0; 1250 1251 case SERIAL_SETBAUD: 1252 CP_DEBUG2 (d, ("ioctl: setbaud\n")); 1253 /* Only for superuser! */ 1254 error = suser (td); 1255 if (error) 1256 return error; 1257 s = splimp (); 1258 CP_LOCK (bd); 1259 cp_set_baud (c, *(long*)data); 1260 CP_UNLOCK (bd); 1261 splx (s); 1262 return 0; 1263 1264 case SERIAL_GETLOOP: 1265 CP_DEBUG2 (d, ("ioctl: getloop\n")); 1266 *(int*)data = c->lloop; 1267 return 0; 1268 1269 case SERIAL_SETLOOP: 1270 CP_DEBUG2 (d, ("ioctl: setloop\n")); 1271 /* Only for superuser! */ 1272 error = suser (td); 1273 if (error) 1274 return error; 1275 s = splimp (); 1276 CP_LOCK (bd); 1277 cp_set_lloop (c, *(int*)data); 1278 CP_UNLOCK (bd); 1279 splx (s); 1280 return 0; 1281 1282 case SERIAL_GETDPLL: 1283 CP_DEBUG2 (d, ("ioctl: getdpll\n")); 1284 if (c->type != T_SERIAL) 1285 return EINVAL; 1286 *(int*)data = c->dpll; 1287 return 0; 1288 1289 case SERIAL_SETDPLL: 1290 CP_DEBUG2 (d, ("ioctl: setdpll\n")); 1291 /* Only for superuser! */ 1292 error = suser (td); 1293 if (error) 1294 return error; 1295 if (c->type != T_SERIAL) 1296 return EINVAL; 1297 s = splimp (); 1298 CP_LOCK (bd); 1299 cp_set_dpll (c, *(int*)data); 1300 CP_UNLOCK (bd); 1301 splx (s); 1302 return 0; 1303 1304 case SERIAL_GETNRZI: 1305 CP_DEBUG2 (d, ("ioctl: getnrzi\n")); 1306 if (c->type != T_SERIAL) 1307 return EINVAL; 1308 *(int*)data = c->nrzi; 1309 return 0; 1310 1311 case SERIAL_SETNRZI: 1312 CP_DEBUG2 (d, ("ioctl: setnrzi\n")); 1313 /* Only for superuser! */ 1314 error = suser (td); 1315 if (error) 1316 return error; 1317 if (c->type != T_SERIAL) 1318 return EINVAL; 1319 s = splimp (); 1320 CP_LOCK (bd); 1321 cp_set_nrzi (c, *(int*)data); 1322 CP_UNLOCK (bd); 1323 splx (s); 1324 return 0; 1325 1326 case SERIAL_GETDEBUG: 1327 CP_DEBUG2 (d, ("ioctl: getdebug\n")); 1328 *(int*)data = d->chan->debug; 1329 return 0; 1330 1331 case SERIAL_SETDEBUG: 1332 CP_DEBUG2 (d, ("ioctl: setdebug\n")); 1333 /* Only for superuser! */ 1334 error = suser (td); 1335 if (error) 1336 return error; 1337 d->chan->debug = *(int*)data; 1338 #ifndef NETGRAPH 1339 if (d->chan->debug) 1340 d->pp.pp_if.if_flags |= IFF_DEBUG; 1341 else 1342 d->pp.pp_if.if_flags &= ~IFF_DEBUG; 1343 #endif 1344 return 0; 1345 1346 case SERIAL_GETHIGAIN: 1347 CP_DEBUG2 (d, ("ioctl: gethigain\n")); 1348 if (c->type != T_E1) 1349 return EINVAL; 1350 *(int*)data = c->higain; 1351 return 0; 1352 1353 case SERIAL_SETHIGAIN: 1354 CP_DEBUG2 (d, ("ioctl: sethigain\n")); 1355 /* Only for superuser! */ 1356 error = suser (td); 1357 if (error) 1358 return error; 1359 if (c->type != T_E1) 1360 return EINVAL; 1361 s = splimp (); 1362 CP_LOCK (bd); 1363 cp_set_higain (c, *(int*)data); 1364 CP_UNLOCK (bd); 1365 splx (s); 1366 return 0; 1367 1368 case SERIAL_GETPHONY: 1369 CP_DEBUG2 (d, ("ioctl: getphony\n")); 1370 if (c->type != T_E1) 1371 return EINVAL; 1372 *(int*)data = c->phony; 1373 return 0; 1374 1375 case SERIAL_SETPHONY: 1376 CP_DEBUG2 (d, ("ioctl: setphony\n")); 1377 /* Only for superuser! */ 1378 error = suser (td); 1379 if (error) 1380 return error; 1381 if (c->type != T_E1) 1382 return EINVAL; 1383 s = splimp (); 1384 CP_LOCK (bd); 1385 cp_set_phony (c, *(int*)data); 1386 CP_UNLOCK (bd); 1387 splx (s); 1388 return 0; 1389 1390 case SERIAL_GETUNFRAM: 1391 CP_DEBUG2 (d, ("ioctl: getunfram\n")); 1392 if (c->type != T_E1) 1393 return EINVAL; 1394 *(int*)data = c->unfram; 1395 return 0; 1396 1397 case SERIAL_SETUNFRAM: 1398 CP_DEBUG2 (d, ("ioctl: setunfram\n")); 1399 /* Only for superuser! */ 1400 error = suser (td); 1401 if (error) 1402 return error; 1403 if (c->type != T_E1) 1404 return EINVAL; 1405 s = splimp (); 1406 CP_LOCK (bd); 1407 cp_set_unfram (c, *(int*)data); 1408 CP_UNLOCK (bd); 1409 splx (s); 1410 return 0; 1411 1412 case SERIAL_GETSCRAMBLER: 1413 CP_DEBUG2 (d, ("ioctl: getscrambler\n")); 1414 if (c->type != T_G703 && !c->unfram) 1415 return EINVAL; 1416 *(int*)data = c->scrambler; 1417 return 0; 1418 1419 case SERIAL_SETSCRAMBLER: 1420 CP_DEBUG2 (d, ("ioctl: setscrambler\n")); 1421 /* Only for superuser! */ 1422 error = suser (td); 1423 if (error) 1424 return error; 1425 if (c->type != T_G703 && !c->unfram) 1426 return EINVAL; 1427 s = splimp (); 1428 CP_LOCK (bd); 1429 cp_set_scrambler (c, *(int*)data); 1430 CP_UNLOCK (bd); 1431 splx (s); 1432 return 0; 1433 1434 case SERIAL_GETMONITOR: 1435 CP_DEBUG2 (d, ("ioctl: getmonitor\n")); 1436 if (c->type != T_E1 && 1437 c->type != T_E3 && 1438 c->type != T_T3 && 1439 c->type != T_STS1) 1440 return EINVAL; 1441 *(int*)data = c->monitor; 1442 return 0; 1443 1444 case SERIAL_SETMONITOR: 1445 CP_DEBUG2 (d, ("ioctl: setmonitor\n")); 1446 /* Only for superuser! */ 1447 error = suser (td); 1448 if (error) 1449 return error; 1450 if (c->type != T_E1) 1451 return EINVAL; 1452 s = splimp (); 1453 CP_LOCK (bd); 1454 cp_set_monitor (c, *(int*)data); 1455 CP_UNLOCK (bd); 1456 splx (s); 1457 return 0; 1458 1459 case SERIAL_GETUSE16: 1460 CP_DEBUG2 (d, ("ioctl: getuse16\n")); 1461 if (c->type != T_E1 || c->unfram) 1462 return EINVAL; 1463 *(int*)data = c->use16; 1464 return 0; 1465 1466 case SERIAL_SETUSE16: 1467 CP_DEBUG2 (d, ("ioctl: setuse16\n")); 1468 /* Only for superuser! */ 1469 error = suser (td); 1470 if (error) 1471 return error; 1472 if (c->type != T_E1) 1473 return EINVAL; 1474 s = splimp (); 1475 CP_LOCK (bd); 1476 cp_set_use16 (c, *(int*)data); 1477 CP_UNLOCK (bd); 1478 splx (s); 1479 return 0; 1480 1481 case SERIAL_GETCRC4: 1482 CP_DEBUG2 (d, ("ioctl: getcrc4\n")); 1483 if (c->type != T_E1 || c->unfram) 1484 return EINVAL; 1485 *(int*)data = c->crc4; 1486 return 0; 1487 1488 case SERIAL_SETCRC4: 1489 CP_DEBUG2 (d, ("ioctl: setcrc4\n")); 1490 /* Only for superuser! */ 1491 error = suser (td); 1492 if (error) 1493 return error; 1494 if (c->type != T_E1) 1495 return EINVAL; 1496 s = splimp (); 1497 CP_LOCK (bd); 1498 cp_set_crc4 (c, *(int*)data); 1499 CP_UNLOCK (bd); 1500 splx (s); 1501 return 0; 1502 1503 case SERIAL_GETCLK: 1504 CP_DEBUG2 (d, ("ioctl: getclk\n")); 1505 if (c->type != T_E1 && 1506 c->type != T_G703 && 1507 c->type != T_E3 && 1508 c->type != T_T3 && 1509 c->type != T_STS1) 1510 return EINVAL; 1511 switch (c->gsyn) { 1512 default: *(int*)data = E1CLK_INTERNAL; break; 1513 case GSYN_RCV: *(int*)data = E1CLK_RECEIVE; break; 1514 case GSYN_RCV0: *(int*)data = E1CLK_RECEIVE_CHAN0; break; 1515 case GSYN_RCV1: *(int*)data = E1CLK_RECEIVE_CHAN1; break; 1516 case GSYN_RCV2: *(int*)data = E1CLK_RECEIVE_CHAN2; break; 1517 case GSYN_RCV3: *(int*)data = E1CLK_RECEIVE_CHAN3; break; 1518 } 1519 return 0; 1520 1521 case SERIAL_SETCLK: 1522 CP_DEBUG2 (d, ("ioctl: setclk\n")); 1523 /* Only for superuser! */ 1524 error = suser (td); 1525 if (error) 1526 return error; 1527 if (c->type != T_E1 && 1528 c->type != T_G703 && 1529 c->type != T_E3 && 1530 c->type != T_T3 && 1531 c->type != T_STS1) 1532 return EINVAL; 1533 s = splimp (); 1534 CP_LOCK (bd); 1535 switch (*(int*)data) { 1536 default: cp_set_gsyn (c, GSYN_INT); break; 1537 case E1CLK_RECEIVE: cp_set_gsyn (c, GSYN_RCV); break; 1538 case E1CLK_RECEIVE_CHAN0: cp_set_gsyn (c, GSYN_RCV0); break; 1539 case E1CLK_RECEIVE_CHAN1: cp_set_gsyn (c, GSYN_RCV1); break; 1540 case E1CLK_RECEIVE_CHAN2: cp_set_gsyn (c, GSYN_RCV2); break; 1541 case E1CLK_RECEIVE_CHAN3: cp_set_gsyn (c, GSYN_RCV3); break; 1542 } 1543 CP_UNLOCK (bd); 1544 splx (s); 1545 return 0; 1546 1547 case SERIAL_GETTIMESLOTS: 1548 CP_DEBUG2 (d, ("ioctl: gettimeslots\n")); 1549 if ((c->type != T_E1 || c->unfram) && c->type != T_DATA) 1550 return EINVAL; 1551 *(u_long*)data = c->ts; 1552 return 0; 1553 1554 case SERIAL_SETTIMESLOTS: 1555 CP_DEBUG2 (d, ("ioctl: settimeslots\n")); 1556 /* Only for superuser! */ 1557 error = suser (td); 1558 if (error) 1559 return error; 1560 if ((c->type != T_E1 || c->unfram) && c->type != T_DATA) 1561 return EINVAL; 1562 s = splimp (); 1563 CP_LOCK (bd); 1564 cp_set_ts (c, *(u_long*)data); 1565 CP_UNLOCK (bd); 1566 splx (s); 1567 return 0; 1568 1569 case SERIAL_GETINVCLK: 1570 CP_DEBUG2 (d, ("ioctl: getinvclk\n")); 1571 #if 1 1572 return EINVAL; 1573 #else 1574 if (c->type != T_SERIAL) 1575 return EINVAL; 1576 *(int*)data = c->invtxc; 1577 return 0; 1578 #endif 1579 1580 case SERIAL_SETINVCLK: 1581 CP_DEBUG2 (d, ("ioctl: setinvclk\n")); 1582 /* Only for superuser! */ 1583 error = suser (td); 1584 if (error) 1585 return error; 1586 if (c->type != T_SERIAL) 1587 return EINVAL; 1588 s = splimp (); 1589 CP_LOCK (bd); 1590 cp_set_invtxc (c, *(int*)data); 1591 cp_set_invrxc (c, *(int*)data); 1592 CP_UNLOCK (bd); 1593 splx (s); 1594 return 0; 1595 1596 case SERIAL_GETINVTCLK: 1597 CP_DEBUG2 (d, ("ioctl: getinvtclk\n")); 1598 if (c->type != T_SERIAL) 1599 return EINVAL; 1600 *(int*)data = c->invtxc; 1601 return 0; 1602 1603 case SERIAL_SETINVTCLK: 1604 CP_DEBUG2 (d, ("ioctl: setinvtclk\n")); 1605 /* Only for superuser! */ 1606 error = suser (td); 1607 if (error) 1608 return error; 1609 if (c->type != T_SERIAL) 1610 return EINVAL; 1611 s = splimp (); 1612 CP_LOCK (bd); 1613 cp_set_invtxc (c, *(int*)data); 1614 CP_UNLOCK (bd); 1615 splx (s); 1616 return 0; 1617 1618 case SERIAL_GETINVRCLK: 1619 CP_DEBUG2 (d, ("ioctl: getinvrclk\n")); 1620 if (c->type != T_SERIAL) 1621 return EINVAL; 1622 *(int*)data = c->invrxc; 1623 return 0; 1624 1625 case SERIAL_SETINVRCLK: 1626 CP_DEBUG2 (d, ("ioctl: setinvrclk\n")); 1627 /* Only for superuser! */ 1628 error = suser (td); 1629 if (error) 1630 return error; 1631 if (c->type != T_SERIAL) 1632 return EINVAL; 1633 s = splimp (); 1634 CP_LOCK (bd); 1635 cp_set_invrxc (c, *(int*)data); 1636 CP_UNLOCK (bd); 1637 splx (s); 1638 return 0; 1639 1640 case SERIAL_GETLEVEL: 1641 CP_DEBUG2 (d, ("ioctl: getlevel\n")); 1642 if (c->type != T_G703) 1643 return EINVAL; 1644 s = splimp (); 1645 CP_LOCK (bd); 1646 *(int*)data = cp_get_lq (c); 1647 CP_UNLOCK (bd); 1648 splx (s); 1649 return 0; 1650 1651 #if 0 1652 case SERIAL_RESET: 1653 CP_DEBUG2 (d, ("ioctl: reset\n")); 1654 /* Only for superuser! */ 1655 error = suser (td); 1656 if (error) 1657 return error; 1658 s = splimp (); 1659 CP_LOCK (bd); 1660 cp_reset (c->board, 0, 0); 1661 CP_UNLOCK (bd); 1662 splx (s); 1663 return 0; 1664 1665 case SERIAL_HARDRESET: 1666 CP_DEBUG2 (d, ("ioctl: hardreset\n")); 1667 /* Only for superuser! */ 1668 error = suser (td); 1669 if (error) 1670 return error; 1671 s = splimp (); 1672 CP_LOCK (bd); 1673 /* hard_reset (c->board); */ 1674 CP_UNLOCK (bd); 1675 splx (s); 1676 return 0; 1677 #endif 1678 1679 case SERIAL_GETCABLE: 1680 CP_DEBUG2 (d, ("ioctl: getcable\n")); 1681 if (c->type != T_SERIAL) 1682 return EINVAL; 1683 s = splimp (); 1684 CP_LOCK (bd); 1685 *(int*)data = cp_get_cable (c); 1686 CP_UNLOCK (bd); 1687 splx (s); 1688 return 0; 1689 1690 case SERIAL_GETDIR: 1691 CP_DEBUG2 (d, ("ioctl: getdir\n")); 1692 if (c->type != T_E1 && c->type != T_DATA) 1693 return EINVAL; 1694 *(int*)data = c->dir; 1695 return 0; 1696 1697 case SERIAL_SETDIR: 1698 CP_DEBUG2 (d, ("ioctl: setdir\n")); 1699 /* Only for superuser! */ 1700 error = suser (td); 1701 if (error) 1702 return error; 1703 s = splimp (); 1704 CP_LOCK (bd); 1705 cp_set_dir (c, *(int*)data); 1706 CP_UNLOCK (bd); 1707 splx (s); 1708 return 0; 1709 1710 case SERIAL_GETRLOOP: 1711 CP_DEBUG2 (d, ("ioctl: getrloop\n")); 1712 if (c->type != T_G703 && 1713 c->type != T_E3 && 1714 c->type != T_T3 && 1715 c->type != T_STS1) 1716 return EINVAL; 1717 *(int*)data = cp_get_rloop (c); 1718 return 0; 1719 1720 case SERIAL_SETRLOOP: 1721 CP_DEBUG2 (d, ("ioctl: setloop\n")); 1722 if (c->type != T_E3 && c->type != T_T3 && c->type != T_STS1) 1723 return EINVAL; 1724 /* Only for superuser! */ 1725 error = suser (td); 1726 if (error) 1727 return error; 1728 s = splimp (); 1729 CP_LOCK (bd); 1730 cp_set_rloop (c, *(int*)data); 1731 CP_UNLOCK (bd); 1732 splx (s); 1733 return 0; 1734 1735 case SERIAL_GETCABLEN: 1736 CP_DEBUG2 (d, ("ioctl: getcablen\n")); 1737 if (c->type != T_T3 && c->type != T_STS1) 1738 return EINVAL; 1739 *(int*)data = c->cablen; 1740 return 0; 1741 1742 case SERIAL_SETCABLEN: 1743 CP_DEBUG2 (d, ("ioctl: setloop\n")); 1744 if (c->type != T_T3 && c->type != T_STS1) 1745 return EINVAL; 1746 /* Only for superuser! */ 1747 error = suser (td); 1748 if (error) 1749 return error; 1750 s = splimp (); 1751 CP_LOCK (bd); 1752 cp_set_cablen (c, *(int*)data); 1753 CP_UNLOCK (bd); 1754 splx (s); 1755 return 0; 1756 1757 case TIOCSDTR: /* Set DTR */ 1758 s = splimp (); 1759 CP_LOCK (bd); 1760 cp_set_dtr (c, 1); 1761 CP_UNLOCK (bd); 1762 splx (s); 1763 return 0; 1764 1765 case TIOCCDTR: /* Clear DTR */ 1766 s = splimp (); 1767 CP_LOCK (bd); 1768 cp_set_dtr (c, 0); 1769 CP_UNLOCK (bd); 1770 splx (s); 1771 return 0; 1772 1773 case TIOCMSET: /* Set DTR/RTS */ 1774 s = splimp (); 1775 CP_LOCK (bd); 1776 cp_set_dtr (c, (*(int*)data & TIOCM_DTR) ? 1 : 0); 1777 cp_set_rts (c, (*(int*)data & TIOCM_RTS) ? 1 : 0); 1778 CP_UNLOCK (bd); 1779 splx (s); 1780 return 0; 1781 1782 case TIOCMBIS: /* Add DTR/RTS */ 1783 s = splimp (); 1784 CP_LOCK (bd); 1785 if (*(int*)data & TIOCM_DTR) cp_set_dtr (c, 1); 1786 if (*(int*)data & TIOCM_RTS) cp_set_rts (c, 1); 1787 CP_UNLOCK (bd); 1788 splx (s); 1789 return 0; 1790 1791 case TIOCMBIC: /* Clear DTR/RTS */ 1792 s = splimp (); 1793 CP_LOCK (bd); 1794 if (*(int*)data & TIOCM_DTR) cp_set_dtr (c, 0); 1795 if (*(int*)data & TIOCM_RTS) cp_set_rts (c, 0); 1796 CP_UNLOCK (bd); 1797 splx (s); 1798 return 0; 1799 1800 case TIOCMGET: /* Get modem status */ 1801 *(int*)data = cp_modem_status (c); 1802 return 0; 1803 } 1804 return ENOTTY; 1805 } 1806 1807 static struct cdevsw cp_cdevsw = { 1808 .d_version = D_VERSION, 1809 .d_open = cp_open, 1810 .d_close = cp_close, 1811 .d_ioctl = cp_ioctl, 1812 .d_name = "cp", 1813 .d_maj = CDEV_MAJOR, 1814 .d_flags = D_NEEDGIANT, 1815 }; 1816 1817 #ifdef NETGRAPH 1818 static int ng_cp_constructor (node_p node) 1819 { 1820 drv_t *d = NG_NODE_PRIVATE (node); 1821 CP_DEBUG (d, ("Constructor\n")); 1822 return EINVAL; 1823 } 1824 1825 static int ng_cp_newhook (node_p node, hook_p hook, const char *name) 1826 { 1827 int s; 1828 drv_t *d = NG_NODE_PRIVATE (node); 1829 bdrv_t *bd = d->board->sys; 1830 1831 CP_DEBUG (d, ("Newhook\n")); 1832 /* Attach debug hook */ 1833 if (strcmp (name, NG_CP_HOOK_DEBUG) == 0) { 1834 NG_HOOK_SET_PRIVATE (hook, NULL); 1835 d->debug_hook = hook; 1836 return 0; 1837 } 1838 1839 /* Check for raw hook */ 1840 if (strcmp (name, NG_CP_HOOK_RAW) != 0) 1841 return EINVAL; 1842 1843 NG_HOOK_SET_PRIVATE (hook, d); 1844 d->hook = hook; 1845 s = splimp (); 1846 CP_LOCK (bd); 1847 cp_up (d); 1848 CP_UNLOCK (bd); 1849 splx (s); 1850 return 0; 1851 } 1852 1853 static char *format_timeslots (u_long s) 1854 { 1855 static char buf [100]; 1856 char *p = buf; 1857 int i; 1858 1859 for (i=1; i<32; ++i) 1860 if ((s >> i) & 1) { 1861 int prev = (i > 1) & (s >> (i-1)); 1862 int next = (i < 31) & (s >> (i+1)); 1863 1864 if (prev) { 1865 if (next) 1866 continue; 1867 *p++ = '-'; 1868 } else if (p > buf) 1869 *p++ = ','; 1870 1871 if (i >= 10) 1872 *p++ = '' + i / 10; 1873 *p++ = '' + i % 10; 1874 } 1875 *p = 0; 1876 return buf; 1877 } 1878 1879 static int print_modems (char *s, cp_chan_t *c, int need_header) 1880 { 1881 int status = cp_modem_status (c); 1882 int length = 0; 1883 1884 if (need_header) 1885 length += sprintf (s + length, " LE DTR DSR RTS CTS CD\n"); 1886 length += sprintf (s + length, "%4s %4s %4s %4s %4s %4s\n", 1887 status & TIOCM_LE ? "On" : "-", 1888 status & TIOCM_DTR ? "On" : "-", 1889 status & TIOCM_DSR ? "On" : "-", 1890 status & TIOCM_RTS ? "On" : "-", 1891 status & TIOCM_CTS ? "On" : "-", 1892 status & TIOCM_CD ? "On" : "-"); 1893 return length; 1894 } 1895 1896 static int print_stats (char *s, cp_chan_t *c, int need_header) 1897 { 1898 int length = 0; 1899 1900 if (need_header) 1901 length += sprintf (s + length, " Rintr Tintr Mintr Ibytes Ipkts Ierrs Obytes Opkts Oerrs\n"); 1902 length += sprintf (s + length, "%7ld %7ld %7ld %8lu %7ld %7ld %8lu %7ld %7ld\n", 1903 c->rintr, c->tintr, 0l, (unsigned long) c->ibytes, 1904 c->ipkts, c->overrun + c->frame + c->crc, 1905 (unsigned long) c->obytes, c->opkts, c->underrun); 1906 return length; 1907 } 1908 1909 static char *format_e1_status (u_char status) 1910 { 1911 static char buf [80]; 1912 1913 if (status & E1_NOALARM) 1914 return "Ok"; 1915 buf[0] = 0; 1916 if (status & E1_LOS) strcat (buf, ",LOS"); 1917 if (status & E1_AIS) strcat (buf, ",AIS"); 1918 if (status & E1_LOF) strcat (buf, ",LOF"); 1919 if (status & E1_LOMF) strcat (buf, ",LOMF"); 1920 if (status & E1_FARLOF) strcat (buf, ",FARLOF"); 1921 if (status & E1_AIS16) strcat (buf, ",AIS16"); 1922 if (status & E1_FARLOMF) strcat (buf, ",FARLOMF"); 1923 if (status & E1_TSTREQ) strcat (buf, ",TSTREQ"); 1924 if (status & E1_TSTERR) strcat (buf, ",TSTERR"); 1925 if (buf[0] == ',') 1926 return buf+1; 1927 return "Unknown"; 1928 } 1929 1930 static int print_frac (char *s, int leftalign, u_long numerator, u_long divider) 1931 { 1932 int n, length = 0; 1933 1934 if (numerator < 1 || divider < 1) { 1935 length += sprintf (s+length, leftalign ? "/- " : " -"); 1936 return length; 1937 } 1938 n = (int) (0.5 + 1000.0 * numerator / divider); 1939 if (n < 1000) { 1940 length += sprintf (s+length, leftalign ? "/.%-3d" : " .%03d", n); 1941 return length; 1942 } 1943 *(s + length) = leftalign ? '/' : ' '; 1944 length ++; 1945 1946 if (n >= 1000000) n = (n+500) / 1000 * 1000; 1947 else if (n >= 100000) n = (n+50) / 100 * 100; 1948 else if (n >= 10000) n = (n+5) / 10 * 10; 1949 1950 switch (n) { 1951 case 1000: length += printf (s+length, ".999"); return length; 1952 case 10000: n = 9990; break; 1953 case 100000: n = 99900; break; 1954 case 1000000: n = 999000; break; 1955 } 1956 if (n < 10000) length += sprintf (s+length, "%d.%d", n/1000, n/10%100); 1957 else if (n < 100000) length += sprintf (s+length, "%d.%d", n/1000, n/100%10); 1958 else if (n < 1000000) length += sprintf (s+length, "%d.", n/1000); 1959 else length += sprintf (s+length, "%d", n/1000); 1960 1961 return length; 1962 } 1963 1964 static int print_e1_stats (char *s, cp_chan_t *c) 1965 { 1966 struct e1_counters total; 1967 u_long totsec; 1968 int length = 0; 1969 1970 totsec = c->totsec + c->cursec; 1971 total.bpv = c->total.bpv + c->currnt.bpv; 1972 total.fse = c->total.fse + c->currnt.fse; 1973 total.crce = c->total.crce + c->currnt.crce; 1974 total.rcrce = c->total.rcrce + c->currnt.rcrce; 1975 total.uas = c->total.uas + c->currnt.uas; 1976 total.les = c->total.les + c->currnt.les; 1977 total.es = c->total.es + c->currnt.es; 1978 total.bes = c->total.bes + c->currnt.bes; 1979 total.ses = c->total.ses + c->currnt.ses; 1980 total.oofs = c->total.oofs + c->currnt.oofs; 1981 total.css = c->total.css + c->currnt.css; 1982 total.dm = c->total.dm + c->currnt.dm; 1983 1984 length += sprintf (s + length, " Unav/Degr Bpv/Fsyn CRC/RCRC Err/Lerr Sev/Bur Oof/Slp Status\n"); 1985 1986 /* Unavailable seconds, degraded minutes */ 1987 length += print_frac (s + length, 0, c->currnt.uas, c->cursec); 1988 length += print_frac (s + length, 1, 60 * c->currnt.dm, c->cursec); 1989 1990 /* Bipolar violations, frame sync errors */ 1991 length += print_frac (s + length, 0, c->currnt.bpv, c->cursec); 1992 length += print_frac (s + length, 1, c->currnt.fse, c->cursec); 1993 1994 /* CRC errors, remote CRC errors (E-bit) */ 1995 length += print_frac (s + length, 0, c->currnt.crce, c->cursec); 1996 length += print_frac (s + length, 1, c->currnt.rcrce, c->cursec); 1997 1998 /* Errored seconds, line errored seconds */ 1999 length += print_frac (s + length, 0, c->currnt.es, c->cursec); 2000 length += print_frac (s + length, 1, c->currnt.les, c->cursec); 2001 2002 /* Severely errored seconds, burst errored seconds */ 2003 length += print_frac (s + length, 0, c->currnt.ses, c->cursec); 2004 length += print_frac (s + length, 1, c->currnt.bes, c->cursec); 2005 2006 /* Out of frame seconds, controlled slip seconds */ 2007 length += print_frac (s + length, 0, c->currnt.oofs, c->cursec); 2008 length += print_frac (s + length, 1, c->currnt.css, c->cursec); 2009 2010 length += sprintf (s + length, " %s\n", format_e1_status (c->status)); 2011 2012 /* Print total statistics. */ 2013 length += print_frac (s + length, 0, total.uas, totsec); 2014 length += print_frac (s + length, 1, 60 * total.dm, totsec); 2015 2016 length += print_frac (s + length, 0, total.bpv, totsec); 2017 length += print_frac (s + length, 1, total.fse, totsec); 2018 2019 length += print_frac (s + length, 0, total.crce, totsec); 2020 length += print_frac (s + length, 1, total.rcrce, totsec); 2021 2022 length += print_frac (s + length, 0, total.es, totsec); 2023 length += print_frac (s + length, 1, total.les, totsec); 2024 2025 length += print_frac (s + length, 0, total.ses, totsec); 2026 length += print_frac (s + length, 1, total.bes, totsec); 2027 2028 length += print_frac (s + length, 0, total.oofs, totsec); 2029 length += print_frac (s + length, 1, total.css, totsec); 2030 2031 length += sprintf (s + length, " -- Total\n"); 2032 return length; 2033 } 2034 2035 static int print_chan (char *s, cp_chan_t *c) 2036 { 2037 drv_t *d = c->sys; 2038 bdrv_t *bd = d->board->sys; 2039 int length = 0; 2040 2041 length += sprintf (s + length, "cp%d", c->board->num * NCHAN + c->num); 2042 if (d->chan->debug) 2043 length += sprintf (s + length, " debug=%d", d->chan->debug); 2044 2045 if (c->board->mux) { 2046 length += sprintf (s + length, " cfg=C"); 2047 } else { 2048 length += sprintf (s + length, " cfg=A"); 2049 } 2050 2051 if (c->baud) 2052 length += sprintf (s + length, " %ld", c->baud); 2053 else 2054 length += sprintf (s + length, " extclock"); 2055 2056 if (c->type == T_E1 || c->type == T_G703) 2057 switch (c->gsyn) { 2058 case GSYN_INT : length += sprintf (s + length, " syn=int"); break; 2059 case GSYN_RCV : length += sprintf (s + length, " syn=rcv"); break; 2060 case GSYN_RCV0 : length += sprintf (s + length, " syn=rcv0"); break; 2061 case GSYN_RCV1 : length += sprintf (s + length, " syn=rcv1"); break; 2062 case GSYN_RCV2 : length += sprintf (s + length, " syn=rcv2"); break; 2063 case GSYN_RCV3 : length += sprintf (s + length, " syn=rcv3"); break; 2064 } 2065 if (c->type == T_SERIAL) { 2066 length += sprintf (s + length, " dpll=%s", c->dpll ? "on" : "off"); 2067 length += sprintf (s + length, " nrzi=%s", c->nrzi ? "on" : "off"); 2068 length += sprintf (s + length, " invclk=%s", c->invtxc ? "on" : "off"); 2069 } 2070 if (c->type == T_E1) 2071 length += sprintf (s + length, " higain=%s", c->higain ? "on" : "off"); 2072 2073 length += sprintf (s + length, " loop=%s", c->lloop ? "on" : "off"); 2074 2075 if (c->type == T_E1) 2076 length += sprintf (s + length, " ts=%s", format_timeslots (c->ts)); 2077 if (c->type == T_G703) { 2078 int lq, x; 2079 2080 x = splimp (); 2081 CP_LOCK (bd); 2082 lq = cp_get_lq (c); 2083 CP_UNLOCK (bd); 2084 splx (x); 2085 length += sprintf (s + length, " (level=-%.1fdB)", lq / 10.0); 2086 } 2087 length += sprintf (s + length, "\n"); 2088 return length; 2089 } 2090 2091 static int ng_cp_rcvmsg (node_p node, item_p item, hook_p lasthook) 2092 { 2093 drv_t *d = NG_NODE_PRIVATE (node); 2094 struct ng_mesg *msg; 2095 struct ng_mesg *resp = NULL; 2096 int error = 0; 2097 2098 CP_DEBUG (d, ("Rcvmsg\n")); 2099 NGI_GET_MSG (item, msg); 2100 switch (msg->header.typecookie) { 2101 default: 2102 error = EINVAL; 2103 break; 2104 2105 case NGM_CP_COOKIE: 2106 printf ("Not implemented yet\n"); 2107 error = EINVAL; 2108 break; 2109 2110 case NGM_GENERIC_COOKIE: 2111 switch (msg->header.cmd) { 2112 default: 2113 error = EINVAL; 2114 break; 2115 2116 case NGM_TEXT_STATUS: { 2117 char *s; 2118 int l = 0; 2119 int dl = sizeof (struct ng_mesg) + 730; 2120 2121 NG_MKRESPONSE (resp, msg, dl, M_NOWAIT); 2122 if (! resp) { 2123 error = ENOMEM; 2124 break; 2125 } 2126 s = (resp)->data; 2127 if (d) { 2128 l += print_chan (s + l, d->chan); 2129 l += print_stats (s + l, d->chan, 1); 2130 l += print_modems (s + l, d->chan, 1); 2131 l += print_e1_stats (s + l, d->chan); 2132 } else 2133 l += sprintf (s + l, "Error: node not connect to channel"); 2134 strncpy ((resp)->header.cmdstr, "status", NG_CMDSTRLEN); 2135 } 2136 break; 2137 } 2138 break; 2139 } 2140 NG_RESPOND_MSG (error, node, item, resp); 2141 NG_FREE_MSG (msg); 2142 return error; 2143 } 2144 2145 static int ng_cp_rcvdata (hook_p hook, item_p item) 2146 { 2147 drv_t *d = NG_NODE_PRIVATE (NG_HOOK_NODE(hook)); 2148 struct mbuf *m; 2149 struct ng_tag_prio *ptag; 2150 bdrv_t *bd = d->board->sys; 2151 struct ifqueue *q; 2152 int s; 2153 2154 CP_DEBUG2 (d, ("Rcvdata\n")); 2155 NGI_GET_M (item, m); 2156 NG_FREE_ITEM (item); 2157 if (! NG_HOOK_PRIVATE (hook) || ! d) { 2158 NG_FREE_M (m); 2159 return ENETDOWN; 2160 } 2161 2162 /* Check for high priority data */ 2163 if ((ptag = (struct ng_tag_prio *)m_tag_locate(m, NGM_GENERIC_COOKIE, 2164 NG_TAG_PRIO, NULL)) != NULL && (ptag->priority > NG_PRIO_CUTOFF) ) 2165 q = &d->hi_queue; 2166 else 2167 q = &d->queue; 2168 2169 s = splimp (); 2170 CP_LOCK (bd); 2171 IF_LOCK (q); 2172 if (_IF_QFULL (q)) { 2173 _IF_DROP (q); 2174 IF_UNLOCK (q); 2175 CP_UNLOCK (bd); 2176 splx (s); 2177 NG_FREE_M (m); 2178 return ENOBUFS; 2179 } 2180 _IF_ENQUEUE (q, m); 2181 IF_UNLOCK (q); 2182 cp_start (d); 2183 CP_UNLOCK (bd); 2184 splx (s); 2185 return 0; 2186 } 2187 2188 static int ng_cp_rmnode (node_p node) 2189 { 2190 drv_t *d = NG_NODE_PRIVATE (node); 2191 2192 CP_DEBUG (d, ("Rmnode\n")); 2193 if (d && d->running) { 2194 bdrv_t *bd = d->board->sys; 2195 int s = splimp (); 2196 CP_LOCK (bd); 2197 cp_down (d); 2198 CP_UNLOCK (bd); 2199 splx (s); 2200 } 2201 #ifdef KLD_MODULE 2202 if (node->nd_flags & NGF_REALLY_DIE) { 2203 NG_NODE_SET_PRIVATE (node, NULL); 2204 NG_NODE_UNREF (node); 2205 } 2206 NG_NODE_REVIVE(node); /* Persistant node */ 2207 #endif 2208 return 0; 2209 } 2210 2211 static void ng_cp_watchdog (void *arg) 2212 { 2213 drv_t *d = arg; 2214 2215 if (d) { 2216 if (d->timeout == 1) 2217 cp_watchdog (d); 2218 if (d->timeout) 2219 d->timeout--; 2220 callout_reset (&d->timeout_handle, hz, ng_cp_watchdog, d); 2221 } 2222 } 2223 2224 static int ng_cp_connect (hook_p hook) 2225 { 2226 drv_t *d = NG_NODE_PRIVATE (NG_HOOK_NODE (hook)); 2227 2228 if (d) { 2229 CP_DEBUG (d, ("Connect\n")); 2230 callout_reset (&d->timeout_handle, hz, ng_cp_watchdog, d); 2231 } 2232 2233 return 0; 2234 } 2235 2236 static int ng_cp_disconnect (hook_p hook) 2237 { 2238 drv_t *d = NG_NODE_PRIVATE (NG_HOOK_NODE (hook)); 2239 2240 if (d) { 2241 CP_DEBUG (d, ("Disconnect\n")); 2242 if (NG_HOOK_PRIVATE (hook)) 2243 { 2244 bdrv_t *bd = d->board->sys; 2245 int s = splimp (); 2246 CP_LOCK (bd); 2247 cp_down (d); 2248 CP_UNLOCK (bd); 2249 splx (s); 2250 } 2251 /* If we were wait it than it reasserted now, just stop it. */ 2252 if (!callout_drain (&d->timeout_handle)) 2253 callout_stop (&d->timeout_handle); 2254 } 2255 return 0; 2256 } 2257 #endif 2258 2259 static int cp_modevent (module_t mod, int type, void *unused) 2260 { 2261 static int load_count = 0; 2262 2263 if (!debug_mpsafenet && cp_mpsafenet) { 2264 printf ("WORNING! Network stack is not MPSAFE. " 2265 "Turning off debug.cp.mpsafenet.\n"); 2266 cp_mpsafenet = 0; 2267 } 2268 if (cp_mpsafenet) 2269 cp_cdevsw.d_flags &= ~D_NEEDGIANT; 2270 2271 switch (type) { 2272 case MOD_LOAD: 2273 #ifdef NETGRAPH 2274 if (ng_newtype (&typestruct)) 2275 printf ("Failed to register ng_cp\n"); 2276 #endif 2277 ++load_count; 2278 callout_init (&timeout_handle, cp_mpsafenet?CALLOUT_MPSAFE:0); 2279 callout_reset (&timeout_handle, hz*5, cp_timeout, 0); 2280 break; 2281 case MOD_UNLOAD: 2282 if (load_count == 1) { 2283 printf ("Removing device entry for Tau-PCI\n"); 2284 #ifdef NETGRAPH 2285 ng_rmtype (&typestruct); 2286 #endif 2287 } 2288 /* If we were wait it than it reasserted now, just stop it. 2289 * Actually we shouldn't get this condition. But code could be 2290 * changed in the future, so just be a litle paranoid. 2291 */ 2292 if (!callout_drain (&timeout_handle)) 2293 callout_stop (&timeout_handle); 2294 --load_count; 2295 break; 2296 case MOD_SHUTDOWN: 2297 break; 2298 } 2299 return 0; 2300 } 2301 2302 #ifdef NETGRAPH 2303 static struct ng_type typestruct = { 2304 .version = NG_ABI_VERSION, 2305 .name = NG_CP_NODE_TYPE, 2306 .constructor = ng_cp_constructor, 2307 .rcvmsg = ng_cp_rcvmsg, 2308 .shutdown = ng_cp_rmnode, 2309 .newhook = ng_cp_newhook, 2310 .connect = ng_cp_connect, 2311 .rcvdata = ng_cp_rcvdata, 2312 .disconnect = ng_cp_disconnect, 2313 }; 2314 #endif /*NETGRAPH*/ 2315 2316 #ifdef NETGRAPH 2317 MODULE_DEPEND (ng_cp, netgraph, NG_ABI_VERSION, NG_ABI_VERSION, NG_ABI_VERSION); 2318 #else 2319 MODULE_DEPEND (cp, sppp, 1, 1, 1); 2320 #endif 2321 DRIVER_MODULE (cp, pci, cp_driver, cp_devclass, cp_modevent, NULL); 2322 MODULE_VERSION (cp, 1);
Cache object: 7a5ba840c5ab00258f9b3acefabbe13c
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