if_ce.c revision 257176
1/* 2 * Cronyx-Tau32-PCI adapter driver for FreeBSD. 3 * 4 * Copyright (C) 2003-2005 Cronyx Engineering. 5 * Copyright (C) 2003-2005 Kurakin Roman, <rik@FreeBSD.org> 6 * 7 * This software is distributed with NO WARRANTIES, not even the implied 8 * warranties for MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. 9 * 10 * Authors grant any other persons or organisations a permission to use, 11 * modify and redistribute this software in source and binary forms, 12 * as long as this message is kept with the software, all derivative 13 * works or modified versions. 14 * 15 * $Cronyx: if_ce.c,v 1.9.2.8 2005/11/21 14:17:44 rik Exp $ 16 */ 17 18#include <sys/cdefs.h> 19__FBSDID("$FreeBSD: head/sys/dev/ce/if_ce.c 257176 2013-10-26 17:58:36Z glebius $"); 20 21#include <sys/param.h> 22 23#if __FreeBSD_version >= 500000 24# define NPCI 1 25#else 26# include "pci.h" 27#endif 28 29#if NPCI > 0 30 31#include <sys/ucred.h> 32#include <sys/priv.h> 33#include <sys/proc.h> 34#include <sys/systm.h> 35#include <sys/mbuf.h> 36#include <sys/kernel.h> 37#include <sys/module.h> 38#include <sys/conf.h> 39#include <sys/malloc.h> 40#include <sys/socket.h> 41#include <sys/sockio.h> 42#if __FreeBSD_version >= 504000 43#include <sys/sysctl.h> 44#endif 45#include <sys/tty.h> 46#include <sys/bus.h> 47#include <vm/vm.h> 48#include <vm/pmap.h> 49#include <net/if.h> 50#include <net/if_var.h> 51#if __FreeBSD_version > 501000 52# include <dev/pci/pcivar.h> 53# include <dev/pci/pcireg.h> 54#else 55# include <pci/pcivar.h> 56# include <pci/pcireg.h> 57#endif 58#include <machine/bus.h> 59#include <sys/rman.h> 60#include "opt_ng_cronyx.h" 61#ifdef NETGRAPH_CRONYX 62# include "opt_netgraph.h" 63# ifndef NETGRAPH 64# error #option NETGRAPH missed from configuration 65# endif 66# include <netgraph/ng_message.h> 67# include <netgraph/netgraph.h> 68# include <dev/ce/ng_ce.h> 69#else 70# include <net/if_types.h> 71# include <net/if_sppp.h> 72# define PP_CISCO IFF_LINK2 73# include <net/bpf.h> 74#endif 75#include <dev/cx/machdep.h> 76#include <dev/ce/ceddk.h> 77#include <machine/cserial.h> 78#include <machine/resource.h> 79#include <machine/pmap.h> 80 81/* If we don't have Cronyx's sppp version, we don't have fr support via sppp */ 82#ifndef PP_FR 83#define PP_FR 0 84#endif 85 86#ifndef IFP2SP 87#define IFP2SP(ifp) ((struct sppp*)ifp) 88#endif 89#ifndef SP2IFP 90#define SP2IFP(sp) ((struct ifnet*)sp) 91#endif 92 93#ifndef PCIR_BAR 94#define PCIR_BAR(x) (PCIR_MAPS + (x) * 4) 95#endif 96 97/* define as our previous return value */ 98#ifndef BUS_PROBE_DEFAULT 99#define BUS_PROBE_DEFAULT 0 100#endif 101 102#define CE_DEBUG(d,s) ({if (d->chan->debug) {\ 103 printf ("%s: ", d->name); printf s;}}) 104#define CE_DEBUG2(d,s) ({if (d->chan->debug>1) {\ 105 printf ("%s: ", d->name); printf s;}}) 106 107#ifndef CALLOUT_MPSAFE 108#define CALLOUT_MPSAFE 0 109#endif 110 111#ifndef IF_DRAIN 112#define IF_DRAIN(ifq) do { \ 113 struct mbuf *m; \ 114 for (;;) { \ 115 IF_DEQUEUE(ifq, m); \ 116 if (m == NULL) \ 117 break; \ 118 m_freem(m); \ 119 } \ 120} while (0) 121#endif 122 123#ifndef _IF_QLEN 124#define _IF_QLEN(ifq) ((ifq)->ifq_len) 125#endif 126 127#ifndef callout_drain 128#define callout_drain callout_stop 129#endif 130 131#define CE_LOCK_NAME "ceX" 132 133#define CE_LOCK(_bd) mtx_lock (&(_bd)->ce_mtx) 134#define CE_UNLOCK(_bd) mtx_unlock (&(_bd)->ce_mtx) 135#define CE_LOCK_ASSERT(_bd) mtx_assert (&(_bd)->ce_mtx, MA_OWNED) 136 137#define CDEV_MAJOR 185 138 139static int ce_probe __P((device_t)); 140static int ce_attach __P((device_t)); 141static int ce_detach __P((device_t)); 142 143static device_method_t ce_methods[] = { 144 /* Device interface */ 145 DEVMETHOD(device_probe, ce_probe), 146 DEVMETHOD(device_attach, ce_attach), 147 DEVMETHOD(device_detach, ce_detach), 148 149 DEVMETHOD_END 150}; 151 152typedef struct _ce_dma_mem_t { 153 unsigned long phys; 154 void *virt; 155 size_t size; 156#if __FreeBSD_version >= 500000 157 bus_dma_tag_t dmat; 158 bus_dmamap_t mapp; 159#endif 160} ce_dma_mem_t; 161 162typedef struct _drv_t { 163 char name [8]; 164 int running; 165 ce_board_t *board; 166 ce_chan_t *chan; 167 struct ifqueue rqueue; 168#ifdef NETGRAPH 169 char nodename [NG_NODESIZE]; 170 hook_p hook; 171 hook_p debug_hook; 172 node_p node; 173 struct ifqueue queue; 174 struct ifqueue hi_queue; 175#else 176 struct ifnet *ifp; 177#endif 178 short timeout; 179 struct callout timeout_handle; 180#if __FreeBSD_version >= 500000 181 struct cdev *devt; 182#else /* __FreeBSD_version < 500000 */ 183 dev_t devt; 184#endif 185 ce_dma_mem_t dmamem; 186} drv_t; 187 188typedef struct _bdrv_t { 189 ce_board_t *board; 190 struct resource *ce_res; 191 struct resource *ce_irq; 192 void *ce_intrhand; 193 ce_dma_mem_t dmamem; 194 drv_t channel [NCHAN]; 195#if __FreeBSD_version >= 504000 196 struct mtx ce_mtx; 197#endif 198} bdrv_t; 199 200static driver_t ce_driver = { 201 "ce", 202 ce_methods, 203 sizeof(bdrv_t), 204}; 205 206static devclass_t ce_devclass; 207 208static void ce_receive (ce_chan_t *c, unsigned char *data, int len); 209static void ce_transmit (ce_chan_t *c, void *attachment, int len); 210static void ce_error (ce_chan_t *c, int data); 211static void ce_up (drv_t *d); 212static void ce_start (drv_t *d); 213static void ce_down (drv_t *d); 214static void ce_watchdog (drv_t *d); 215static void ce_watchdog_timer (void *arg); 216#ifdef NETGRAPH 217extern struct ng_type typestruct; 218#else 219static void ce_ifstart (struct ifnet *ifp); 220static void ce_tlf (struct sppp *sp); 221static void ce_tls (struct sppp *sp); 222static int ce_sioctl (struct ifnet *ifp, u_long cmd, caddr_t data); 223static void ce_initialize (void *softc); 224#endif 225 226static ce_board_t *adapter [NBRD]; 227static drv_t *channel [NBRD*NCHAN]; 228static struct callout led_timo [NBRD]; 229static struct callout timeout_handle; 230 231static int ce_destroy = 0; 232 233#if __FreeBSD_version < 500000 234static int ce_open (dev_t dev, int oflags, int devtype, struct proc *p); 235static int ce_close (dev_t dev, int fflag, int devtype, struct proc *p); 236static int ce_ioctl (dev_t dev, u_long cmd, caddr_t data, int flag, struct proc *p); 237#else 238static int ce_open (struct cdev *dev, int oflags, int devtype, struct thread *td); 239static int ce_close (struct cdev *dev, int fflag, int devtype, struct thread *td); 240static int ce_ioctl (struct cdev *dev, u_long cmd, caddr_t data, int flag, struct thread *td); 241#endif 242#if __FreeBSD_version < 500000 243static struct cdevsw ce_cdevsw = { 244 ce_open, ce_close, noread, nowrite, 245 ce_ioctl, nopoll, nommap, nostrategy, 246 "ce", CDEV_MAJOR, nodump, nopsize, 247 D_NAGGED, -1 248 }; 249#elif __FreeBSD_version == 500000 250static struct cdevsw ce_cdevsw = { 251 ce_open, ce_close, noread, nowrite, 252 ce_ioctl, nopoll, nommap, nostrategy, 253 "ce", CDEV_MAJOR, nodump, nopsize, 254 D_NAGGED, 255 }; 256#elif __FreeBSD_version <= 501000 257static struct cdevsw ce_cdevsw = { 258 .d_open = ce_open, 259 .d_close = ce_close, 260 .d_read = noread, 261 .d_write = nowrite, 262 .d_ioctl = ce_ioctl, 263 .d_poll = nopoll, 264 .d_mmap = nommap, 265 .d_strategy = nostrategy, 266 .d_name = "ce", 267 .d_maj = CDEV_MAJOR, 268 .d_dump = nodump, 269 .d_flags = D_NAGGED, 270}; 271#elif __FreeBSD_version < 502103 272static struct cdevsw ce_cdevsw = { 273 .d_open = ce_open, 274 .d_close = ce_close, 275 .d_ioctl = ce_ioctl, 276 .d_name = "ce", 277 .d_maj = CDEV_MAJOR, 278 .d_flags = D_NAGGED, 279}; 280#elif __FreeBSD_version < 600000 281static struct cdevsw ce_cdevsw = { 282 .d_version = D_VERSION, 283 .d_open = ce_open, 284 .d_close = ce_close, 285 .d_ioctl = ce_ioctl, 286 .d_name = "ce", 287 .d_maj = CDEV_MAJOR, 288 .d_flags = D_NEEDGIANT, 289}; 290#else /* __FreeBSD_version >= 600000 */ 291static struct cdevsw ce_cdevsw = { 292 .d_version = D_VERSION, 293 .d_open = ce_open, 294 .d_close = ce_close, 295 .d_ioctl = ce_ioctl, 296 .d_name = "ce", 297}; 298#endif 299 300/* 301 * Print the mbuf chain, for debug purposes only. 302 */ 303static void printmbuf (struct mbuf *m) 304{ 305 printf ("mbuf:"); 306 for (; m; m=m->m_next) { 307 if (m->m_flags & M_PKTHDR) 308 printf (" HDR %d:", m->m_pkthdr.len); 309 if (m->m_flags & M_EXT) 310 printf (" EXT:"); 311 printf (" %d", m->m_len); 312 } 313 printf ("\n"); 314} 315 316/* 317 * Make an mbuf from data. 318 */ 319static struct mbuf *makembuf (void *buf, unsigned len) 320{ 321 struct mbuf *m; 322 323 MGETHDR (m, M_NOWAIT, MT_DATA); 324 if (! m) 325 return 0; 326 MCLGET (m, M_NOWAIT); 327 if (! (m->m_flags & M_EXT)) { 328 m_freem (m); 329 return 0; 330 } 331 m->m_pkthdr.len = m->m_len = len; 332 bcopy (buf, mtod (m, caddr_t), len); 333 return m; 334} 335 336static int ce_probe (device_t dev) 337{ 338 if ((pci_get_vendor (dev) == TAU32_PCI_VENDOR_ID) && 339 (pci_get_device (dev) == TAU32_PCI_DEVICE_ID)) { 340 device_set_desc (dev, "Cronyx-Tau32-PCI serial adapter"); 341 return BUS_PROBE_DEFAULT; 342 } 343 return ENXIO; 344} 345 346static void ce_timeout (void *arg) 347{ 348 drv_t *d; 349 int s, i, k; 350 351 for (i = 0; i < NBRD; ++i) { 352 if (adapter[i] == NULL) 353 continue; 354 for (k = 0; k < NCHAN; ++k) { 355 s = splimp (); 356 if (ce_destroy) { 357 splx (s); 358 return; 359 } 360 d = channel[i * NCHAN + k]; 361 if (!d) { 362 splx (s); 363 continue; 364 } 365 CE_LOCK ((bdrv_t *)d->board->sys); 366 switch (d->chan->type) { 367 case T_E1: 368 ce_e1_timer (d->chan); 369 break; 370 default: 371 break; 372 } 373 CE_UNLOCK ((bdrv_t *)d->board->sys); 374 splx (s); 375 } 376 } 377 s = splimp (); 378 if (!ce_destroy) 379 callout_reset (&timeout_handle, hz, ce_timeout, 0); 380 splx (s); 381} 382 383static void ce_led_off (void *arg) 384{ 385 ce_board_t *b = arg; 386 bdrv_t *bd = (bdrv_t *) b->sys; 387 int s; 388 s = splimp (); 389 if (ce_destroy) { 390 splx (s); 391 return; 392 } 393 CE_LOCK (bd); 394 TAU32_LedSet (b->ddk.pControllerObject, 0); 395 CE_UNLOCK (bd); 396 splx (s); 397} 398 399static void ce_intr (void *arg) 400{ 401 bdrv_t *bd = arg; 402 ce_board_t *b = bd->board; 403 int s; 404 int i; 405#if __FreeBSD_version >= 500000 && defined NETGRAPH 406 int error; 407#endif 408 s = splimp (); 409 if (ce_destroy) { 410 splx (s); 411 return; 412 } 413 CE_LOCK (bd); 414 /* Turn LED on. */ 415 TAU32_LedSet (b->ddk.pControllerObject, 1); 416 417 TAU32_HandleInterrupt (b->ddk.pControllerObject); 418 419 /* Turn LED off 50 msec later. */ 420 callout_reset (&led_timo[b->num], hz/20, ce_led_off, b); 421 CE_UNLOCK (bd); 422 splx (s); 423 424 /* Pass packets in a lock-free state */ 425 for (i = 0; i < NCHAN && b->chan[i].type; i++) { 426 drv_t *d = b->chan[i].sys; 427 struct mbuf *m; 428 if (!d || !d->running) 429 continue; 430 while (_IF_QLEN(&d->rqueue)) { 431 IF_DEQUEUE (&d->rqueue,m); 432 if (!m) 433 continue; 434#ifdef NETGRAPH 435 if (d->hook) { 436#if __FreeBSD_version >= 500000 437 NG_SEND_DATA_ONLY (error, d->hook, m); 438#else 439 ng_queue_data (d->hook, m, 0); 440#endif 441 } else { 442 IF_DRAIN (&d->rqueue); 443 } 444#else 445 sppp_input (d->ifp, m); 446#endif 447 } 448 } 449} 450 451#if __FreeBSD_version >= 500000 452static void 453ce_bus_dmamap_addr (void *arg, bus_dma_segment_t *segs, int nseg, int error) 454{ 455 unsigned long *addr; 456 457 if (error) 458 return; 459 460 KASSERT(nseg == 1, ("too many DMA segments, %d should be 1", nseg)); 461 addr = arg; 462 *addr = segs->ds_addr; 463} 464 465#ifndef BUS_DMA_ZERO 466#define BUS_DMA_ZERO 0 467#endif 468 469static int 470ce_bus_dma_mem_alloc (int bnum, int cnum, ce_dma_mem_t *dmem) 471{ 472 int error; 473 474 error = bus_dma_tag_create (NULL, 16, 0, BUS_SPACE_MAXADDR_32BIT, 475 BUS_SPACE_MAXADDR, NULL, NULL, dmem->size, 1, 476 dmem->size, 0, 477#if __FreeBSD_version >= 502000 478 NULL, NULL, 479#endif 480 &dmem->dmat); 481 if (error) { 482 if (cnum >= 0) printf ("ce%d-%d: ", bnum, cnum); 483 else printf ("ce%d: ", bnum); 484 printf ("couldn't allocate tag for dma memory\n"); 485 return 0; 486 } 487 error = bus_dmamem_alloc (dmem->dmat, (void **)&dmem->virt, 488 BUS_DMA_NOWAIT | BUS_DMA_ZERO, &dmem->mapp); 489 if (error) { 490 if (cnum >= 0) printf ("ce%d-%d: ", bnum, cnum); 491 else printf ("ce%d: ", bnum); 492 printf ("couldn't allocate mem for dma memory\n"); 493 bus_dma_tag_destroy (dmem->dmat); 494 return 0; 495 } 496 error = bus_dmamap_load (dmem->dmat, dmem->mapp, dmem->virt, 497 dmem->size, ce_bus_dmamap_addr, &dmem->phys, 0); 498 if (error) { 499 if (cnum >= 0) printf ("ce%d-%d: ", bnum, cnum); 500 else printf ("ce%d: ", bnum); 501 printf ("couldn't load mem map for dma memory\n"); 502 bus_dmamem_free (dmem->dmat, dmem->virt, dmem->mapp); 503 bus_dma_tag_destroy (dmem->dmat); 504 return 0; 505 } 506#if __FreeBSD_version >= 502000 507 bzero (dmem->virt, dmem->size); 508#endif 509 return 1; 510} 511 512static void 513ce_bus_dma_mem_free (ce_dma_mem_t *dmem) 514{ 515 bus_dmamap_unload (dmem->dmat, dmem->mapp); 516 bus_dmamem_free (dmem->dmat, dmem->virt, dmem->mapp); 517 bus_dma_tag_destroy (dmem->dmat); 518} 519#else 520static int 521ce_bus_dma_mem_alloc (int bnum, int cnum, ce_dma_mem_t *dmem) 522{ 523 dmem->virt = contigmalloc (dmem->size, M_DEVBUF, M_WAITOK, 524 0x100000, 0xffffffff, 16, 0); 525 if (dmem->virt == NULL) { 526 if (cnum >= 0) printf ("ce%d-%d: ", bnum, cnum); 527 else printf ("ce%d: ", bnum); 528 printf ("couldn't allocate dma memory\n"); 529 return 0; 530 } 531 dmem->phys = vtophys (dmem->virt); 532 bzero (dmem->virt, dmem->size); 533 return 1; 534} 535 536static void 537ce_bus_dma_mem_free (ce_dma_mem_t *dmem) 538{ 539 contigfree (dmem->virt, dmem->size, M_DEVBUF); 540} 541#endif 542 543/* 544 * Called if the probe succeeded. 545 */ 546static int ce_attach (device_t dev) 547{ 548 bdrv_t *bd = device_get_softc (dev); 549 int unit = device_get_unit (dev); 550#if __FreeBSD_version >= 504000 551 char *ce_ln = CE_LOCK_NAME; 552#endif 553 vm_offset_t vbase; 554 int rid, error; 555 ce_board_t *b; 556 ce_chan_t *c; 557 drv_t *d; 558 int s; 559 560 b = malloc (sizeof(ce_board_t), M_DEVBUF, M_WAITOK); 561 if (!b) { 562 printf ("ce%d: couldn't allocate memory\n", unit); 563 return (ENXIO); 564 } 565 bzero (b, sizeof(ce_board_t)); 566 567 b->ddk.sys = &b; 568 569#if __FreeBSD_version >= 440000 570 pci_enable_busmaster (dev); 571#endif 572 573 bd->dmamem.size = TAU32_ControllerObjectSize; 574 if (! ce_bus_dma_mem_alloc (unit, -1, &bd->dmamem)) { 575 free (b, M_DEVBUF); 576 return (ENXIO); 577 } 578 b->ddk.pControllerObject = bd->dmamem.virt; 579 580 bd->board = b; 581 b->sys = bd; 582 rid = PCIR_BAR(0); 583 bd->ce_res = bus_alloc_resource (dev, SYS_RES_MEMORY, &rid, 584 0, ~0, 1, RF_ACTIVE); 585 if (! bd->ce_res) { 586 printf ("ce%d: cannot map memory\n", unit); 587 ce_bus_dma_mem_free (&bd->dmamem); 588 free (b, M_DEVBUF); 589 return (ENXIO); 590 } 591 vbase = (vm_offset_t) rman_get_virtual (bd->ce_res); 592 593 b->ddk.PciBar1VirtualAddress = (void *)vbase; 594 b->ddk.ControllerObjectPhysicalAddress = bd->dmamem.phys; 595 b->ddk.pErrorNotifyCallback = ce_error_callback; 596 b->ddk.pStatusNotifyCallback = ce_status_callback; 597 b->num = unit; 598 599 TAU32_BeforeReset(&b->ddk); 600 pci_write_config (dev, TAU32_PCI_RESET_ADDRESS, TAU32_PCI_RESET_ON, 4); 601 pci_write_config (dev, TAU32_PCI_RESET_ADDRESS, TAU32_PCI_RESET_OFF, 4); 602 603 if(!TAU32_Initialize(&b->ddk, 0)) 604 { 605 printf ("ce%d: init adapter error 0x%08x, bus dead bits 0x%08lx\n", 606 unit, b->ddk.InitErrors, b->ddk.DeadBits); 607 bus_release_resource (dev, SYS_RES_MEMORY, PCIR_BAR(0), bd->ce_res); 608 ce_bus_dma_mem_free (&bd->dmamem); 609 free (b, M_DEVBUF); 610 return (ENXIO); 611 } 612 613 s = splimp (); 614 615 ce_init_board (b); 616 617 rid = 0; 618 bd->ce_irq = bus_alloc_resource (dev, SYS_RES_IRQ, &rid, 0, ~0, 1, 619 RF_SHAREABLE | RF_ACTIVE); 620 if (! bd->ce_irq) { 621 printf ("ce%d: cannot map interrupt\n", unit); 622 bus_release_resource (dev, SYS_RES_MEMORY, PCIR_BAR(0), bd->ce_res); 623 ce_bus_dma_mem_free (&bd->dmamem); 624 free (b, M_DEVBUF); 625 splx (s); 626 return (ENXIO); 627 } 628#if __FreeBSD_version >= 500000 629 callout_init (&led_timo[unit], CALLOUT_MPSAFE); 630#else 631 callout_init (&led_timo[unit]); 632#endif 633 error = bus_setup_intr (dev, bd->ce_irq, 634#if __FreeBSD_version >= 500013 635 INTR_TYPE_NET|INTR_MPSAFE, 636#else 637 INTR_TYPE_NET, 638#endif 639 NULL, ce_intr, bd, &bd->ce_intrhand); 640 if (error) { 641 printf ("ce%d: cannot set up irq\n", unit); 642 bus_release_resource (dev, SYS_RES_IRQ, 0, bd->ce_irq); 643 bus_release_resource (dev, SYS_RES_MEMORY, 644 PCIR_BAR(0), bd->ce_res); 645 ce_bus_dma_mem_free (&bd->dmamem); 646 free (b, M_DEVBUF); 647 splx (s); 648 return (ENXIO); 649 } 650 651 switch (b->ddk.Model) { 652 case 1: strcpy (b->name, TAU32_BASE_NAME); break; 653 case 2: strcpy (b->name, TAU32_LITE_NAME); break; 654 case 3: strcpy (b->name, TAU32_ADPCM_NAME); break; 655 default: strcpy (b->name, TAU32_UNKNOWN_NAME); break; 656 } 657 658 printf ("ce%d: %s\n", unit, b->name); 659 660 for (c = b->chan; c < b->chan + NCHAN; ++c) { 661 c->num = (c - b->chan); 662 c->board = b; 663 664 d = &bd->channel[c->num]; 665 d->dmamem.size = sizeof(ce_buf_t); 666 if (! ce_bus_dma_mem_alloc (unit, c->num, &d->dmamem)) 667 continue; 668 669 channel [b->num * NCHAN + c->num] = d; 670 sprintf (d->name, "ce%d.%d", b->num, c->num); 671 d->board = b; 672 d->chan = c; 673 c->sys = d; 674 } 675 676 for (c = b->chan; c < b->chan + NCHAN; ++c) { 677 if (c->sys == NULL) 678 continue; 679 d = c->sys; 680 681 callout_init (&d->timeout_handle, CALLOUT_MPSAFE); 682#ifdef NETGRAPH 683 if (ng_make_node_common (&typestruct, &d->node) != 0) { 684 printf ("%s: cannot make common node\n", d->name); 685 d->node = NULL; 686 continue; 687 } 688#if __FreeBSD_version >= 500000 689 NG_NODE_SET_PRIVATE (d->node, d); 690#else 691 d->node->private = d; 692#endif 693 sprintf (d->nodename, "%s%d", NG_CE_NODE_TYPE, 694 c->board->num * NCHAN + c->num); 695 if (ng_name_node (d->node, d->nodename)) { 696 printf ("%s: cannot name node\n", d->nodename); 697#if __FreeBSD_version >= 500000 698 NG_NODE_UNREF (d->node); 699#else 700 ng_rmnode (d->node); 701 ng_unref (d->node); 702#endif 703 continue; 704 } 705 d->queue.ifq_maxlen = ifqmaxlen; 706 d->hi_queue.ifq_maxlen = ifqmaxlen; 707 d->rqueue.ifq_maxlen = ifqmaxlen; 708#if __FreeBSD_version >= 500000 709 mtx_init (&d->queue.ifq_mtx, "ce_queue", NULL, MTX_DEF); 710 mtx_init (&d->hi_queue.ifq_mtx, "ce_queue_hi", NULL, MTX_DEF); 711 mtx_init (&d->rqueue.ifq_mtx, "ce_rqueue", NULL, MTX_DEF); 712#endif 713#else /*NETGRAPH*/ 714#if __FreeBSD_version >= 600031 715 d->ifp = if_alloc(IFT_PPP); 716#else 717 d->ifp = malloc (sizeof(struct sppp), M_DEVBUF, M_WAITOK); 718 bzero (d->ifp, sizeof(struct sppp)); 719#endif 720 if (!d->ifp) { 721 printf ("%s: cannot if_alloc() interface\n", d->name); 722 continue; 723 } 724 d->ifp->if_softc = d; 725#if __FreeBSD_version > 501000 726 if_initname (d->ifp, "ce", b->num * NCHAN + c->num); 727#else 728 d->ifp->if_unit = b->num * NCHAN + c->num; 729 d->ifp->if_name = "ce"; 730#endif 731 d->ifp->if_mtu = PP_MTU; 732 d->ifp->if_flags = IFF_POINTOPOINT | IFF_MULTICAST; 733 d->ifp->if_ioctl = ce_sioctl; 734 d->ifp->if_start = ce_ifstart; 735 d->ifp->if_init = ce_initialize; 736 d->rqueue.ifq_maxlen = ifqmaxlen; 737#if __FreeBSD_version >= 500000 738 mtx_init (&d->rqueue.ifq_mtx, "ce_rqueue", NULL, MTX_DEF); 739#endif 740 sppp_attach (d->ifp); 741 if_attach (d->ifp); 742 IFP2SP(d->ifp)->pp_tlf = ce_tlf; 743 IFP2SP(d->ifp)->pp_tls = ce_tls; 744 /* If BPF is in the kernel, call the attach for it. 745 * The header size of PPP or Cisco/HDLC is 4 bytes. */ 746 bpfattach (d->ifp, DLT_PPP, 4); 747#endif /*NETGRAPH*/ 748 ce_start_chan (c, 1, 1, d->dmamem.virt, d->dmamem.phys); 749 750 /* Register callback functions. */ 751 ce_register_transmit (c, &ce_transmit); 752 ce_register_receive (c, &ce_receive); 753 ce_register_error (c, &ce_error); 754 d->devt = make_dev (&ce_cdevsw, b->num*NCHAN+c->num, UID_ROOT, 755 GID_WHEEL, 0600, "ce%d", b->num*NCHAN+c->num); 756 } 757 758#if __FreeBSD_version >= 504000 759 ce_ln[2] = '0' + unit; 760 mtx_init (&bd->ce_mtx, ce_ln, MTX_NETWORK_LOCK, MTX_DEF|MTX_RECURSE); 761#endif 762 CE_LOCK (bd); 763 TAU32_EnableInterrupts(b->ddk.pControllerObject); 764 adapter[unit] = b; 765 CE_UNLOCK (bd); 766 splx (s); 767 768 return 0; 769} 770 771static int ce_detach (device_t dev) 772{ 773 bdrv_t *bd = device_get_softc (dev); 774 ce_board_t *b = bd->board; 775 ce_chan_t *c; 776 int s; 777 778#if __FreeBSD_version >= 504000 779 KASSERT (mtx_initialized (&bd->ce_mtx), ("ce mutex not initialized")); 780#endif 781 s = splimp (); 782 CE_LOCK (bd); 783 /* Check if the device is busy (open). */ 784 for (c = b->chan; c < b->chan + NCHAN; ++c) { 785 drv_t *d = (drv_t*) c->sys; 786 787 /* XXX Non existen chan! */ 788 if (! d || ! d->chan) 789 continue; 790 if (d->running) { 791 CE_UNLOCK (bd); 792 splx (s); 793 return EBUSY; 794 } 795 } 796 797 /* Ok, we can unload driver */ 798 /* At first we should disable interrupts */ 799 ce_destroy = 1; 800 TAU32_DisableInterrupts(b->ddk.pControllerObject); 801 802 callout_stop (&led_timo[b->num]); 803 804 for (c = b->chan; c < b->chan + NCHAN; ++c) { 805 drv_t *d = (drv_t*) c->sys; 806 807 if (! d || ! d->chan) 808 continue; 809 callout_stop (&d->timeout_handle); 810#ifndef NETGRAPH 811 /* Detach from the packet filter list of interfaces. */ 812 bpfdetach (d->ifp); 813 814 /* Detach from the sync PPP list. */ 815 sppp_detach (d->ifp); 816 817 /* Detach from the system list of interfaces. */ 818 if_detach (d->ifp); 819#if __FreeBSD_version > 600031 820 if_free(d->ifp); 821#else 822 free (d->ifp, M_DEVBUF); 823#endif 824 825 IF_DRAIN (&d->rqueue); 826#if __FreeBSD_version >= 500000 827 mtx_destroy (&d->rqueue.ifq_mtx); 828#endif 829#else 830#if __FreeBSD_version >= 500000 831 if (d->node) { 832 ng_rmnode_self (d->node); 833 NG_NODE_UNREF (d->node); 834 d->node = NULL; 835 } 836 IF_DRAIN (&d->rqueue); 837 mtx_destroy (&d->queue.ifq_mtx); 838 mtx_destroy (&d->hi_queue.ifq_mtx); 839 mtx_destroy (&d->rqueue.ifq_mtx); 840#else 841 ng_rmnode (d->node); 842 d->node = 0; 843#endif 844#endif 845 destroy_dev (d->devt); 846 } 847 848 CE_UNLOCK (bd); 849 splx (s); 850 851 callout_drain (&led_timo[b->num]); 852 853 /* Disable the interrupt request. */ 854 bus_teardown_intr (dev, bd->ce_irq, bd->ce_intrhand); 855 bus_release_resource (dev, SYS_RES_IRQ, 0, bd->ce_irq); 856 TAU32_DestructiveHalt (b->ddk.pControllerObject, 0); 857 bus_release_resource (dev, SYS_RES_MEMORY, PCIR_BAR(0), bd->ce_res); 858 859 for (c = b->chan; c < b->chan + NCHAN; ++c) { 860 drv_t *d = (drv_t*) c->sys; 861 862 if (! d || ! d->chan) 863 continue; 864 callout_drain (&d->timeout_handle); 865 channel [b->num * NCHAN + c->num] = 0; 866 /* Deallocate buffers. */ 867 ce_bus_dma_mem_free (&d->dmamem); 868 } 869 adapter [b->num] = 0; 870 ce_bus_dma_mem_free (&bd->dmamem); 871 free (b, M_DEVBUF); 872#if __FreeBSD_version >= 504000 873 mtx_destroy (&bd->ce_mtx); 874#endif 875 return 0; 876} 877 878#ifndef NETGRAPH 879static void ce_ifstart (struct ifnet *ifp) 880{ 881 drv_t *d = ifp->if_softc; 882 bdrv_t *bd = d->board->sys; 883 884 CE_LOCK (bd); 885 ce_start (d); 886 CE_UNLOCK (bd); 887} 888 889static void ce_tlf (struct sppp *sp) 890{ 891 drv_t *d = SP2IFP(sp)->if_softc; 892 893 CE_DEBUG2 (d, ("ce_tlf\n")); 894 sp->pp_down (sp); 895} 896 897static void ce_tls (struct sppp *sp) 898{ 899 drv_t *d = SP2IFP(sp)->if_softc; 900 901 CE_DEBUG2 (d, ("ce_tls\n")); 902 sp->pp_up (sp); 903} 904 905/* 906 * Process an ioctl request. 907 */ 908static int ce_sioctl (struct ifnet *ifp, u_long cmd, caddr_t data) 909{ 910 drv_t *d = ifp->if_softc; 911 bdrv_t *bd = d->board->sys; 912 int error, s, was_up, should_be_up; 913 914#if __FreeBSD_version >= 600034 915 was_up = (ifp->if_drv_flags & IFF_DRV_RUNNING) != 0; 916#else 917 was_up = (ifp->if_flags & IFF_RUNNING) != 0; 918#endif 919 error = sppp_ioctl (ifp, cmd, data); 920 921 if (error) 922 return error; 923 924 if (! (ifp->if_flags & IFF_DEBUG)) 925 d->chan->debug = 0; 926 else 927 d->chan->debug = d->chan->debug_shadow; 928 929 switch (cmd) { 930 default: CE_DEBUG2 (d, ("ioctl 0x%lx\n", cmd)); return 0; 931 case SIOCADDMULTI: CE_DEBUG2 (d, ("ioctl SIOCADDMULTI\n")); return 0; 932 case SIOCDELMULTI: CE_DEBUG2 (d, ("ioctl SIOCDELMULTI\n")); return 0; 933 case SIOCSIFFLAGS: CE_DEBUG2 (d, ("ioctl SIOCSIFFLAGS\n")); break; 934 case SIOCSIFADDR: CE_DEBUG2 (d, ("ioctl SIOCSIFADDR\n")); break; 935 } 936 937 /* We get here only in case of SIFFLAGS or SIFADDR. */ 938 s = splimp (); 939 CE_LOCK (bd); 940#if __FreeBSD_version >= 600034 941 should_be_up = (ifp->if_drv_flags & IFF_DRV_RUNNING) != 0; 942#else 943 should_be_up = (ifp->if_flags & IFF_RUNNING) != 0; 944#endif 945 if (! was_up && should_be_up) { 946 /* Interface goes up -- start it. */ 947 ce_up (d); 948 ce_start (d); 949 } else if (was_up && ! should_be_up) { 950 /* Interface is going down -- stop it. */ 951/* if ((IFP2SP(ifp)->pp_flags & PP_FR) || (ifp->if_flags & PP_CISCO))*/ 952 ce_down (d); 953 } 954 CE_DEBUG (d, ("ioctl 0x%lx p4\n", cmd)); 955 CE_UNLOCK (bd); 956 splx (s); 957 return 0; 958} 959 960/* 961 * Initialization of interface. 962 * It seems to be never called by upper level? 963 */ 964static void ce_initialize (void *softc) 965{ 966 drv_t *d = softc; 967 968 CE_DEBUG (d, ("ce_initialize\n")); 969} 970#endif /*NETGRAPH*/ 971 972/* 973 * Stop the interface. Called on splimp(). 974 */ 975static void ce_down (drv_t *d) 976{ 977 CE_DEBUG (d, ("ce_down\n")); 978 /* Interface is going down -- stop it. */ 979 ce_set_dtr (d->chan, 0); 980 ce_set_rts (d->chan, 0); 981 982 d->running = 0; 983 callout_stop (&d->timeout_handle); 984} 985 986/* 987 * Start the interface. Called on splimp(). 988 */ 989static void ce_up (drv_t *d) 990{ 991 CE_DEBUG (d, ("ce_up\n")); 992 ce_set_dtr (d->chan, 1); 993 ce_set_rts (d->chan, 1); 994 995 d->running = 1; 996} 997 998/* 999 * Start output on the interface. Get another datagram to send 1000 * off of the interface queue, and copy it to the interface 1001 * before starting the output. 1002 */ 1003static void ce_send (drv_t *d) 1004{ 1005 struct mbuf *m; 1006 u_short len; 1007 1008 CE_DEBUG2 (d, ("ce_send\n")); 1009 1010 /* No output if the interface is down. */ 1011 if (! d->running) 1012 return; 1013 1014 while (ce_transmit_space (d->chan)) { 1015 /* Get the packet to send. */ 1016#ifdef NETGRAPH 1017 IF_DEQUEUE (&d->hi_queue, m); 1018 if (! m) 1019 IF_DEQUEUE (&d->queue, m); 1020#else 1021 m = sppp_dequeue (d->ifp); 1022#endif 1023 if (! m) 1024 return; 1025#ifndef NETGRAPH 1026#if __FreeBSD_version >= 500000 1027 BPF_MTAP (d->ifp, m); 1028#else 1029 if (d->ifp->if_bpf) 1030 bpf_mtap (d->ifp, m); 1031#endif 1032#endif 1033#if __FreeBSD_version >= 490000 1034 len = m_length (m, NULL); 1035#else 1036 len = m->m_pkthdr.len; 1037#endif 1038 if (len >= BUFSZ) 1039 printf ("%s: too long packet: %d bytes: ", 1040 d->name, len); 1041 else if (! m->m_next) 1042 ce_send_packet (d->chan, (u_char*) mtod (m, caddr_t), len, 0); 1043 else { 1044 ce_buf_item_t *item = (ce_buf_item_t*)d->chan->tx_queue; 1045 m_copydata (m, 0, len, item->buf); 1046 ce_send_packet (d->chan, item->buf, len, 0); 1047 } 1048 m_freem (m); 1049 /* Set up transmit timeout, if the transmit ring is not empty.*/ 1050 d->timeout = 10; 1051 } 1052#ifndef NETGRAPH 1053#if __FreeBSD_version >= 600034 1054 d->ifp->if_flags |= IFF_DRV_OACTIVE; 1055#else 1056 d->ifp->if_flags |= IFF_OACTIVE; 1057#endif 1058#endif 1059} 1060 1061/* 1062 * Start output on the interface. 1063 * Always called on splimp(). 1064 */ 1065static void ce_start (drv_t *d) 1066{ 1067 if (d->running) { 1068 if (! d->chan->dtr) 1069 ce_set_dtr (d->chan, 1); 1070 if (! d->chan->rts) 1071 ce_set_rts (d->chan, 1); 1072 ce_send (d); 1073 callout_reset (&d->timeout_handle, hz, ce_watchdog_timer, d); 1074 } 1075} 1076 1077/* 1078 * Handle transmit timeouts. 1079 * Recover after lost transmit interrupts. 1080 * Always called on splimp(). 1081 */ 1082static void ce_watchdog (drv_t *d) 1083{ 1084 CE_DEBUG (d, ("device timeout\n")); 1085 if (d->running) { 1086 ce_set_dtr (d->chan, 0); 1087 ce_set_rts (d->chan, 0); 1088/* ce_stop_chan (d->chan);*/ 1089/* ce_start_chan (d->chan, 1, 1, 0, 0);*/ 1090 ce_set_dtr (d->chan, 1); 1091 ce_set_rts (d->chan, 1); 1092 ce_start (d); 1093 } 1094} 1095 1096static void ce_watchdog_timer (void *arg) 1097{ 1098 drv_t *d = arg; 1099 bdrv_t *bd = d->board->sys; 1100 1101 CE_LOCK(bd); 1102 if (d->timeout == 1) 1103 ce_watchdog (d); 1104 if (d->timeout) 1105 d->timeout--; 1106 callout_reset (&d->timeout_handle, hz, ce_watchdog_timer, d); 1107 CE_UNLOCK(bd); 1108} 1109 1110static void ce_transmit (ce_chan_t *c, void *attachment, int len) 1111{ 1112 drv_t *d = c->sys; 1113 1114 d->timeout = 0; 1115#ifndef NETGRAPH 1116 ++d->ifp->if_opackets; 1117#if __FreeBSD_version >= 600034 1118 d->ifp->if_flags &= ~IFF_DRV_OACTIVE; 1119#else 1120 d->ifp->if_flags &= ~IFF_OACTIVE; 1121#endif 1122#endif 1123 ce_start (d); 1124} 1125 1126static void ce_receive (ce_chan_t *c, unsigned char *data, int len) 1127{ 1128 drv_t *d = c->sys; 1129 struct mbuf *m; 1130 1131 if (! d->running) 1132 return; 1133 1134 m = makembuf (data, len); 1135 if (! m) { 1136 CE_DEBUG (d, ("no memory for packet\n")); 1137#ifndef NETGRAPH 1138 ++d->ifp->if_iqdrops; 1139#endif 1140 return; 1141 } 1142 if (c->debug > 1) 1143 printmbuf (m); 1144#ifdef NETGRAPH 1145 m->m_pkthdr.rcvif = 0; 1146 IF_ENQUEUE(&d->rqueue, m); 1147#else 1148 ++d->ifp->if_ipackets; 1149 m->m_pkthdr.rcvif = d->ifp; 1150 /* Check if there's a BPF listener on this interface. 1151 * If so, hand off the raw packet to bpf. */ 1152#if __FreeBSD_version >= 500000 1153 BPF_TAP (d->ifp, data, len); 1154#else 1155 if (d->ifp->if_bpf) 1156 bpf_tap (d->ifp, data, len); 1157#endif 1158 IF_ENQUEUE(&d->rqueue, m); 1159#endif 1160} 1161 1162static void ce_error (ce_chan_t *c, int data) 1163{ 1164 drv_t *d = c->sys; 1165 1166 switch (data) { 1167 case CE_FRAME: 1168 CE_DEBUG (d, ("frame error\n")); 1169#ifndef NETGRAPH 1170 ++d->ifp->if_ierrors; 1171#endif 1172 break; 1173 case CE_CRC: 1174 CE_DEBUG (d, ("crc error\n")); 1175#ifndef NETGRAPH 1176 ++d->ifp->if_ierrors; 1177#endif 1178 break; 1179 case CE_OVERRUN: 1180 CE_DEBUG (d, ("overrun error\n")); 1181#ifndef NETGRAPH 1182 ++d->ifp->if_collisions; 1183 ++d->ifp->if_ierrors; 1184#endif 1185 break; 1186 case CE_OVERFLOW: 1187 CE_DEBUG (d, ("overflow error\n")); 1188#ifndef NETGRAPH 1189 ++d->ifp->if_ierrors; 1190#endif 1191 break; 1192 case CE_UNDERRUN: 1193 CE_DEBUG (d, ("underrun error\n")); 1194 d->timeout = 0; 1195#ifndef NETGRAPH 1196 ++d->ifp->if_oerrors; 1197#if __FreeBSD_version >= 600034 1198 d->ifp->if_flags &= ~IFF_DRV_OACTIVE; 1199#else 1200 d->ifp->if_flags &= ~IFF_OACTIVE; 1201#endif 1202#endif 1203 ce_start (d); 1204 break; 1205 default: 1206 CE_DEBUG (d, ("error #%d\n", data)); 1207 break; 1208 } 1209} 1210 1211/* 1212 * You also need read, write, open, close routines. 1213 * This should get you started 1214 */ 1215#if __FreeBSD_version < 500000 1216static int ce_open (dev_t dev, int oflags, int devtype, struct proc *p) 1217#else 1218static int ce_open (struct cdev *dev, int oflags, int devtype, struct thread *td) 1219#endif 1220{ 1221 int unit = dev2unit (dev); 1222 drv_t *d; 1223 1224 if (unit >= NBRD*NCHAN || ! (d = channel[unit])) 1225 return ENXIO; 1226 CE_DEBUG2 (d, ("ce_open\n")); 1227 return 0; 1228} 1229 1230/* 1231 * Only called on the LAST close. 1232 */ 1233#if __FreeBSD_version < 500000 1234static int ce_close (dev_t dev, int fflag, int devtype, struct proc *p) 1235#else 1236static int ce_close (struct cdev *dev, int fflag, int devtype, struct thread *td) 1237#endif 1238{ 1239 drv_t *d = channel [dev2unit (dev)]; 1240 1241 CE_DEBUG2 (d, ("ce_close\n")); 1242 return 0; 1243} 1244 1245static int ce_modem_status (ce_chan_t *c) 1246{ 1247 drv_t *d = c->sys; 1248 bdrv_t *bd = d->board->sys; 1249 int status, s; 1250 1251 status = d->running ? TIOCM_LE : 0; 1252 s = splimp (); 1253 CE_LOCK (bd); 1254 if (ce_get_cd (c)) status |= TIOCM_CD; 1255 if (ce_get_cts (c)) status |= TIOCM_CTS; 1256 if (ce_get_dsr (c)) status |= TIOCM_DSR; 1257 if (c->dtr) status |= TIOCM_DTR; 1258 if (c->rts) status |= TIOCM_RTS; 1259 CE_UNLOCK (bd); 1260 splx (s); 1261 return status; 1262} 1263 1264#if __FreeBSD_version < 500000 1265static int ce_ioctl (dev_t dev, u_long cmd, caddr_t data, int flag, struct proc *p) 1266#else 1267static int ce_ioctl (struct cdev *dev, u_long cmd, caddr_t data, int flag, struct thread *td) 1268#endif 1269{ 1270 drv_t *d = channel [dev2unit (dev)]; 1271 bdrv_t *bd = d->board->sys; 1272 ce_chan_t *c = d->chan; 1273 struct serial_statistics *st; 1274 struct e1_statistics *opte1; 1275 int error, s; 1276 char mask[16]; 1277 1278 switch (cmd) { 1279 case SERIAL_GETREGISTERED: 1280 CE_DEBUG2 (d, ("ioctl: getregistered\n")); 1281 bzero (mask, sizeof(mask)); 1282 for (s=0; s<NBRD*NCHAN; ++s) 1283 if (channel [s]) 1284 mask [s/8] |= 1 << (s & 7); 1285 bcopy (mask, data, sizeof (mask)); 1286 return 0; 1287 1288#ifndef NETGRAPH 1289 case SERIAL_GETPROTO: 1290 CE_DEBUG2 (d, ("ioctl: getproto\n")); 1291 strcpy ((char*)data, (IFP2SP(d->ifp)->pp_flags & PP_FR) ? "fr" : 1292 (d->ifp->if_flags & PP_CISCO) ? "cisco" : "ppp"); 1293 return 0; 1294 1295 case SERIAL_SETPROTO: 1296 CE_DEBUG2 (d, ("ioctl: setproto\n")); 1297 /* Only for superuser! */ 1298#if __FreeBSD_version < 500000 1299 error = suser (p); 1300#elif __FreeBSD_version < 700000 1301 error = suser (td); 1302#else 1303 error = priv_check (td, PRIV_DRIVER); 1304#endif 1305 if (error) 1306 return error; 1307#if __FreeBSD_version >= 600034 1308 if (d->ifp->if_flags & IFF_DRV_RUNNING) 1309#else 1310 if (d->ifp->if_flags & IFF_RUNNING) 1311#endif 1312 return EBUSY; 1313 if (! strcmp ("cisco", (char*)data)) { 1314 IFP2SP(d->ifp)->pp_flags &= ~(PP_FR); 1315 IFP2SP(d->ifp)->pp_flags |= PP_KEEPALIVE; 1316 d->ifp->if_flags |= PP_CISCO; 1317#if PP_FR != 0 1318 } else if (! strcmp ("fr", (char*)data)) { 1319 d->ifp->if_flags &= ~(PP_CISCO); 1320 IFP2SP(d->ifp)->pp_flags |= PP_FR | PP_KEEPALIVE; 1321#endif 1322 } else if (! strcmp ("ppp", (char*)data)) { 1323 IFP2SP(d->ifp)->pp_flags &= ~PP_FR; 1324 IFP2SP(d->ifp)->pp_flags &= ~PP_KEEPALIVE; 1325 d->ifp->if_flags &= ~(PP_CISCO); 1326 } else 1327 return EINVAL; 1328 return 0; 1329 1330 case SERIAL_GETKEEPALIVE: 1331 CE_DEBUG2 (d, ("ioctl: getkeepalive\n")); 1332 if ((IFP2SP(d->ifp)->pp_flags & PP_FR) || 1333 (d->ifp->if_flags & PP_CISCO)) 1334 return EINVAL; 1335 *(int*)data = (IFP2SP(d->ifp)->pp_flags & PP_KEEPALIVE) ? 1 : 0; 1336 return 0; 1337 1338 case SERIAL_SETKEEPALIVE: 1339 CE_DEBUG2 (d, ("ioctl: setkeepalive\n")); 1340 /* Only for superuser! */ 1341#if __FreeBSD_version < 500000 1342 error = suser (p); 1343#elif __FreeBSD_version < 700000 1344 error = suser (td); 1345#else 1346 error = priv_check (td, PRIV_DRIVER); 1347#endif 1348 if (error) 1349 return error; 1350 if ((IFP2SP(d->ifp)->pp_flags & PP_FR) || 1351 (d->ifp->if_flags & PP_CISCO)) 1352 return EINVAL; 1353 s = splimp (); 1354 CE_LOCK (bd); 1355 if (*(int*)data) 1356 IFP2SP(d->ifp)->pp_flags |= PP_KEEPALIVE; 1357 else 1358 IFP2SP(d->ifp)->pp_flags &= ~PP_KEEPALIVE; 1359 CE_UNLOCK (bd); 1360 splx (s); 1361 return 0; 1362#endif /*NETGRAPH*/ 1363 1364 case SERIAL_GETMODE: 1365 CE_DEBUG2 (d, ("ioctl: getmode\n")); 1366 *(int*)data = SERIAL_HDLC; 1367 return 0; 1368 1369 case SERIAL_SETMODE: 1370 /* Only for superuser! */ 1371#if __FreeBSD_version < 500000 1372 error = suser (p); 1373#elif __FreeBSD_version < 700000 1374 error = suser (td); 1375#else 1376 error = priv_check (td, PRIV_DRIVER); 1377#endif 1378 if (error) 1379 return error; 1380 if (*(int*)data != SERIAL_HDLC) 1381 return EINVAL; 1382 return 0; 1383 1384 case SERIAL_GETCFG: 1385 CE_DEBUG2 (d, ("ioctl: getcfg\n")); 1386 *(char*)data = 'c'; 1387 return 0; 1388 1389 case SERIAL_SETCFG: 1390 CE_DEBUG2 (d, ("ioctl: setcfg\n")); 1391#if __FreeBSD_version < 500000 1392 error = suser (p); 1393#elif __FreeBSD_version < 700000 1394 error = suser (td); 1395#else 1396 error = priv_check (td, PRIV_DRIVER); 1397#endif 1398 if (error) 1399 return error; 1400 if (*((char*)data) != 'c') 1401 return EINVAL; 1402 return 0; 1403 1404 case SERIAL_GETSTAT: 1405 CE_DEBUG2 (d, ("ioctl: getstat\n")); 1406 st = (struct serial_statistics*) data; 1407 st->rintr = c->rintr; 1408 st->tintr = c->tintr; 1409 st->mintr = 0; 1410 st->ibytes = c->ibytes; 1411 st->ipkts = c->ipkts; 1412 st->obytes = c->obytes; 1413 st->opkts = c->opkts; 1414 st->ierrs = c->overrun + c->frame + c->crc; 1415 st->oerrs = c->underrun; 1416 return 0; 1417 1418 case SERIAL_GETESTAT: 1419 CE_DEBUG2 (d, ("ioctl: getestat\n")); 1420 if (c->type != T_E1) 1421 return EINVAL; 1422 opte1 = (struct e1_statistics*) data; 1423 1424 opte1->status = 0; 1425 if (c->status & ESTS_NOALARM) 1426 opte1->status |= E1_NOALARM; 1427 if (c->status & ESTS_LOS) 1428 opte1->status |= E1_LOS; 1429 if (c->status & ESTS_LOF) 1430 opte1->status |= E1_LOF; 1431 if (c->status & ESTS_AIS) 1432 opte1->status |= E1_AIS; 1433 if (c->status & ESTS_LOMF) 1434 opte1->status |= E1_LOMF; 1435 if (c->status & ESTS_AIS16) 1436 opte1->status |= E1_AIS16; 1437 if (c->status & ESTS_FARLOF) 1438 opte1->status |= E1_FARLOF; 1439 if (c->status & ESTS_FARLOMF) 1440 opte1->status |= E1_FARLOMF; 1441 if (c->status & ESTS_TSTREQ) 1442 opte1->status |= E1_TSTREQ; 1443 if (c->status & ESTS_TSTERR) 1444 opte1->status |= E1_TSTERR; 1445 1446 opte1->cursec = c->cursec; 1447 opte1->totsec = c->totsec + c->cursec; 1448 1449 opte1->currnt.bpv = c->currnt.bpv; 1450 opte1->currnt.fse = c->currnt.fse; 1451 opte1->currnt.crce = c->currnt.crce; 1452 opte1->currnt.rcrce = c->currnt.rcrce; 1453 opte1->currnt.uas = c->currnt.uas; 1454 opte1->currnt.les = c->currnt.les; 1455 opte1->currnt.es = c->currnt.es; 1456 opte1->currnt.bes = c->currnt.bes; 1457 opte1->currnt.ses = c->currnt.ses; 1458 opte1->currnt.oofs = c->currnt.oofs; 1459 opte1->currnt.css = c->currnt.css; 1460 opte1->currnt.dm = c->currnt.dm; 1461 1462 opte1->total.bpv = c->total.bpv + c->currnt.bpv; 1463 opte1->total.fse = c->total.fse + c->currnt.fse; 1464 opte1->total.crce = c->total.crce + c->currnt.crce; 1465 opte1->total.rcrce = c->total.rcrce + c->currnt.rcrce; 1466 opte1->total.uas = c->total.uas + c->currnt.uas; 1467 opte1->total.les = c->total.les + c->currnt.les; 1468 opte1->total.es = c->total.es + c->currnt.es; 1469 opte1->total.bes = c->total.bes + c->currnt.bes; 1470 opte1->total.ses = c->total.ses + c->currnt.ses; 1471 opte1->total.oofs = c->total.oofs + c->currnt.oofs; 1472 opte1->total.css = c->total.css + c->currnt.css; 1473 opte1->total.dm = c->total.dm + c->currnt.dm; 1474 for (s=0; s<48; ++s) { 1475 opte1->interval[s].bpv = c->interval[s].bpv; 1476 opte1->interval[s].fse = c->interval[s].fse; 1477 opte1->interval[s].crce = c->interval[s].crce; 1478 opte1->interval[s].rcrce = c->interval[s].rcrce; 1479 opte1->interval[s].uas = c->interval[s].uas; 1480 opte1->interval[s].les = c->interval[s].les; 1481 opte1->interval[s].es = c->interval[s].es; 1482 opte1->interval[s].bes = c->interval[s].bes; 1483 opte1->interval[s].ses = c->interval[s].ses; 1484 opte1->interval[s].oofs = c->interval[s].oofs; 1485 opte1->interval[s].css = c->interval[s].css; 1486 opte1->interval[s].dm = c->interval[s].dm; 1487 } 1488 return 0; 1489 1490 case SERIAL_CLRSTAT: 1491 CE_DEBUG2 (d, ("ioctl: clrstat\n")); 1492 /* Only for superuser! */ 1493#if __FreeBSD_version < 500000 1494 error = suser (p); 1495#elif __FreeBSD_version < 700000 1496 error = suser (td); 1497#else 1498 error = priv_check (td, PRIV_DRIVER); 1499#endif 1500 if (error) 1501 return error; 1502 c->rintr = 0; 1503 c->tintr = 0; 1504 c->ibytes = 0; 1505 c->obytes = 0; 1506 c->ipkts = 0; 1507 c->opkts = 0; 1508 c->overrun = 0; 1509 c->frame = 0; 1510 c->crc = 0; 1511 c->underrun = 0; 1512 bzero (&c->currnt, sizeof (c->currnt)); 1513 bzero (&c->total, sizeof (c->total)); 1514 bzero (c->interval, sizeof (c->interval)); 1515 return 0; 1516 1517 case SERIAL_GETLOOP: 1518 CE_DEBUG2 (d, ("ioctl: getloop\n")); 1519 if (c->type != T_E1) 1520 return EINVAL; 1521 *(int*)data = c->lloop; 1522 return 0; 1523 1524 case SERIAL_SETLOOP: 1525 CE_DEBUG2 (d, ("ioctl: setloop\n")); 1526 if (c->type != T_E1) 1527 return EINVAL; 1528 /* Only for superuser! */ 1529#if __FreeBSD_version < 500000 1530 error = suser (p); 1531#elif __FreeBSD_version < 700000 1532 error = suser (td); 1533#else 1534 error = priv_check (td, PRIV_DRIVER); 1535#endif 1536 if (error) 1537 return error; 1538 s = splimp (); 1539 CE_LOCK (bd); 1540 ce_set_lloop (c, *(int*)data); 1541 CE_UNLOCK (bd); 1542 splx (s); 1543 return 0; 1544 1545 case SERIAL_GETRLOOP: 1546 CE_DEBUG2 (d, ("ioctl: getrloop\n")); 1547 if (c->type != T_E1) 1548 return EINVAL; 1549 *(int*)data = c->rloop; 1550 return 0; 1551 1552 case SERIAL_SETRLOOP: 1553 CE_DEBUG2 (d, ("ioctl: setloop\n")); 1554 if (c->type != T_E1) 1555 return EINVAL; 1556 /* Only for superuser! */ 1557#if __FreeBSD_version < 500000 1558 error = suser (p); 1559#elif __FreeBSD_version < 700000 1560 error = suser (td); 1561#else 1562 error = priv_check (td, PRIV_DRIVER); 1563#endif 1564 if (error) 1565 return error; 1566 s = splimp (); 1567 CE_LOCK (bd); 1568 ce_set_rloop (c, *(int*)data); 1569 CE_UNLOCK (bd); 1570 splx (s); 1571 return 0; 1572 1573 case SERIAL_GETDEBUG: 1574 CE_DEBUG2 (d, ("ioctl: getdebug\n")); 1575 *(int*)data = d->chan->debug; 1576 return 0; 1577 1578 case SERIAL_SETDEBUG: 1579 CE_DEBUG2 (d, ("ioctl: setdebug\n")); 1580 /* Only for superuser! */ 1581#if __FreeBSD_version < 500000 1582 error = suser (p); 1583#elif __FreeBSD_version < 700000 1584 error = suser (td); 1585#else 1586 error = priv_check (td, PRIV_DRIVER); 1587#endif 1588 if (error) 1589 return error; 1590#ifndef NETGRAPH 1591 /* 1592 * The debug_shadow is always greater than zero for logic 1593 * simplicity. For switching debug off the IFF_DEBUG is 1594 * responsible. 1595 */ 1596 d->chan->debug_shadow = (*(int*)data) ? (*(int*)data) : 1; 1597 if (d->ifp->if_flags & IFF_DEBUG) 1598 d->chan->debug = d->chan->debug_shadow; 1599#else 1600 d->chan->debug = *(int*)data; 1601#endif 1602 return 0; 1603 1604 case SERIAL_GETBAUD: 1605 CE_DEBUG2 (d, ("ioctl: getbaud\n")); 1606 *(long*)data = c->baud; 1607 return 0; 1608 1609 case SERIAL_SETBAUD: 1610 CE_DEBUG2 (d, ("ioctl: setbaud\n")); 1611 if (c->type != T_E1 || !c->unfram) 1612 return EINVAL; 1613 /* Only for superuser! */ 1614#if __FreeBSD_version < 500000 1615 error = suser (p); 1616#elif __FreeBSD_version < 700000 1617 error = suser (td); 1618#else 1619 error = priv_check (td, PRIV_DRIVER); 1620#endif 1621 if (error) 1622 return error; 1623 s = splimp (); 1624 CE_LOCK (bd); 1625 ce_set_baud (c, *(long*)data); 1626 CE_UNLOCK (bd); 1627 splx (s); 1628 return 0; 1629 1630 case SERIAL_GETTIMESLOTS: 1631 CE_DEBUG2 (d, ("ioctl: gettimeslots\n")); 1632 if ((c->type != T_E1 || c->unfram) && c->type != T_DATA) 1633 return EINVAL; 1634 *(u_long*)data = c->ts; 1635 return 0; 1636 1637 case SERIAL_SETTIMESLOTS: 1638 CE_DEBUG2 (d, ("ioctl: settimeslots\n")); 1639 /* Only for superuser! */ 1640#if __FreeBSD_version < 500000 1641 error = suser (p); 1642#elif __FreeBSD_version < 700000 1643 error = suser (td); 1644#else 1645 error = priv_check (td, PRIV_DRIVER); 1646#endif 1647 if (error) 1648 return error; 1649 if ((c->type != T_E1 || c->unfram) && c->type != T_DATA) 1650 return EINVAL; 1651 s = splimp (); 1652 CE_LOCK (bd); 1653 ce_set_ts (c, *(u_long*)data); 1654 CE_UNLOCK (bd); 1655 splx (s); 1656 return 0; 1657 1658 case SERIAL_GETHIGAIN: 1659 CE_DEBUG2 (d, ("ioctl: gethigain\n")); 1660 if (c->type != T_E1) 1661 return EINVAL; 1662 *(int*)data = c->higain; 1663 return 0; 1664 1665 case SERIAL_SETHIGAIN: 1666 CE_DEBUG2 (d, ("ioctl: sethigain\n")); 1667 if (c->type != T_E1) 1668 return EINVAL; 1669 /* Only for superuser! */ 1670#if __FreeBSD_version < 500000 1671 error = suser (p); 1672#elif __FreeBSD_version < 700000 1673 error = suser (td); 1674#else 1675 error = priv_check (td, PRIV_DRIVER); 1676#endif 1677 if (error) 1678 return error; 1679 s = splimp (); 1680 CE_LOCK (bd); 1681 ce_set_higain (c, *(int*)data); 1682 CE_UNLOCK (bd); 1683 splx (s); 1684 return 0; 1685 1686 case SERIAL_GETPHONY: 1687 CE_DEBUG2 (d, ("ioctl: getphony\n")); 1688 *(int*)data = c->phony; 1689 return 0; 1690 1691 case SERIAL_SETPHONY: 1692 CE_DEBUG2 (d, ("ioctl: setphony\n")); 1693 /* Only for superuser! */ 1694#if __FreeBSD_version < 500000 1695 error = suser (p); 1696#elif __FreeBSD_version < 700000 1697 error = suser (td); 1698#else 1699 error = priv_check (td, PRIV_DRIVER); 1700#endif 1701 if (error) 1702 return error; 1703 s = splimp (); 1704 CE_LOCK (bd); 1705 ce_set_phony (c, *(int*)data); 1706 CE_UNLOCK (bd); 1707 splx (s); 1708 return 0; 1709 1710 case SERIAL_GETUNFRAM: 1711 CE_DEBUG2 (d, ("ioctl: getunfram\n")); 1712 if (c->type != T_E1 || c->num != 0) 1713 return EINVAL; 1714 *(int*)data = c->unfram; 1715 return 0; 1716 1717 case SERIAL_SETUNFRAM: 1718 CE_DEBUG2 (d, ("ioctl: setunfram\n")); 1719 if (c->type != T_E1 || c->num != 0) 1720 return EINVAL; 1721 /* Only for superuser! */ 1722#if __FreeBSD_version < 500000 1723 error = suser (p); 1724#elif __FreeBSD_version < 700000 1725 error = suser (td); 1726#else 1727 error = priv_check (td, PRIV_DRIVER); 1728#endif 1729 if (error) 1730 return error; 1731 s = splimp (); 1732 CE_LOCK (bd); 1733 ce_set_unfram (c, *(int*)data); 1734 CE_UNLOCK (bd); 1735 splx (s); 1736 return 0; 1737 1738 case SERIAL_GETSCRAMBLER: 1739 CE_DEBUG2 (d, ("ioctl: getscrambler\n")); 1740 if (!c->unfram) 1741 return EINVAL; 1742 *(int*)data = c->scrambler; 1743 return 0; 1744 1745 case SERIAL_SETSCRAMBLER: 1746 CE_DEBUG2 (d, ("ioctl: setscrambler\n")); 1747 /* Only for superuser! */ 1748#if __FreeBSD_version < 500000 1749 error = suser (p); 1750#elif __FreeBSD_version < 700000 1751 error = suser (td); 1752#else 1753 error = priv_check (td, PRIV_DRIVER); 1754#endif 1755 if (error) 1756 return error; 1757 if (!c->unfram) 1758 return EINVAL; 1759 s = splimp (); 1760 CE_LOCK (bd); 1761 ce_set_scrambler (c, *(int*)data); 1762 CE_UNLOCK (bd); 1763 splx (s); 1764 return 0; 1765 1766 case SERIAL_GETMONITOR: 1767 CE_DEBUG2 (d, ("ioctl: getmonitor\n")); 1768 if (c->type != T_E1) 1769 return EINVAL; 1770 *(int*)data = c->monitor; 1771 return 0; 1772 1773 case SERIAL_SETMONITOR: 1774 CE_DEBUG2 (d, ("ioctl: setmonitor\n")); 1775 /* Only for superuser! */ 1776#if __FreeBSD_version < 500000 1777 error = suser (p); 1778#elif __FreeBSD_version < 700000 1779 error = suser (td); 1780#else 1781 error = priv_check (td, PRIV_DRIVER); 1782#endif 1783 if (error) 1784 return error; 1785 if (c->type != T_E1) 1786 return EINVAL; 1787 s = splimp (); 1788 CE_LOCK (bd); 1789 ce_set_monitor (c, *(int*)data); 1790 CE_UNLOCK (bd); 1791 splx (s); 1792 return 0; 1793 1794 case SERIAL_GETUSE16: 1795 CE_DEBUG2 (d, ("ioctl: getuse16\n")); 1796 if (c->type != T_E1 || c->unfram) 1797 return EINVAL; 1798 *(int*)data = c->use16; 1799 return 0; 1800 1801 case SERIAL_SETUSE16: 1802 CE_DEBUG2 (d, ("ioctl: setuse16\n")); 1803 /* Only for superuser! */ 1804#if __FreeBSD_version < 500000 1805 error = suser (p); 1806#elif __FreeBSD_version < 700000 1807 error = suser (td); 1808#else 1809 error = priv_check (td, PRIV_DRIVER); 1810#endif 1811 if (error) 1812 return error; 1813 if (c->type != T_E1) 1814 return EINVAL; 1815 s = splimp (); 1816 CE_LOCK (bd); 1817 ce_set_use16 (c, *(int*)data); 1818 CE_UNLOCK (bd); 1819 splx (s); 1820 return 0; 1821 1822 case SERIAL_GETCRC4: 1823 CE_DEBUG2 (d, ("ioctl: getcrc4\n")); 1824 if (c->type != T_E1 || c->unfram) 1825 return EINVAL; 1826 *(int*)data = c->crc4; 1827 return 0; 1828 1829 case SERIAL_SETCRC4: 1830 CE_DEBUG2 (d, ("ioctl: setcrc4\n")); 1831 /* Only for superuser! */ 1832#if __FreeBSD_version < 500000 1833 error = suser (p); 1834#elif __FreeBSD_version < 700000 1835 error = suser (td); 1836#else 1837 error = priv_check (td, PRIV_DRIVER); 1838#endif 1839 if (error) 1840 return error; 1841 if (c->type != T_E1 || c->unfram) 1842 return EINVAL; 1843 s = splimp (); 1844 CE_LOCK (bd); 1845 ce_set_crc4 (c, *(int*)data); 1846 CE_UNLOCK (bd); 1847 splx (s); 1848 return 0; 1849 1850 case SERIAL_GETCLK: 1851 CE_DEBUG2 (d, ("ioctl: getclk\n")); 1852 if (c->type != T_E1) 1853 return EINVAL; 1854 switch (c->gsyn) { 1855 default: *(int*)data = E1CLK_INTERNAL; break; 1856 case GSYN_RCV: *(int*)data = E1CLK_RECEIVE; break; 1857 case GSYN_RCV0: *(int*)data = E1CLK_RECEIVE_CHAN0; break; 1858 case GSYN_RCV1: *(int*)data = E1CLK_RECEIVE_CHAN1; break; 1859 } 1860 return 0; 1861 1862 case SERIAL_SETCLK: 1863 CE_DEBUG2 (d, ("ioctl: setclk\n")); 1864 /* Only for superuser! */ 1865#if __FreeBSD_version < 500000 1866 error = suser (p); 1867#elif __FreeBSD_version < 700000 1868 error = suser (td); 1869#else 1870 error = priv_check (td, PRIV_DRIVER); 1871#endif 1872 if (error) 1873 return error; 1874 if (c->type != T_E1) 1875 return EINVAL; 1876 s = splimp (); 1877 CE_LOCK (bd); 1878 switch (*(int*)data) { 1879 default: ce_set_gsyn (c, GSYN_INT); break; 1880 case E1CLK_RECEIVE: ce_set_gsyn (c, GSYN_RCV); break; 1881 case E1CLK_RECEIVE_CHAN0: ce_set_gsyn (c, GSYN_RCV0); break; 1882 case E1CLK_RECEIVE_CHAN1: ce_set_gsyn (c, GSYN_RCV1); break; 1883 } 1884 CE_UNLOCK (bd); 1885 splx (s); 1886 return 0; 1887 1888#if 0 1889 case SERIAL_RESET: 1890 CE_DEBUG2 (d, ("ioctl: reset\n")); 1891 /* Only for superuser! */ 1892#if __FreeBSD_version < 500000 1893 error = suser (p); 1894#elif __FreeBSD_version < 700000 1895 error = suser (td); 1896#else 1897 error = priv_check (td, PRIV_DRIVER); 1898#endif 1899 if (error) 1900 return error; 1901 s = splimp (); 1902 CE_LOCK (bd); 1903/* ce_reset (c->board, 0, 0);*/ 1904 CE_UNLOCK (bd); 1905 splx (s); 1906 return 0; 1907 1908 case SERIAL_HARDRESET: 1909 CE_DEBUG2 (d, ("ioctl: hardreset\n")); 1910 /* Only for superuser! */ 1911#if __FreeBSD_version < 500000 1912 error = suser (p); 1913#elif __FreeBSD_version < 700000 1914 error = suser (td); 1915#else 1916 error = priv_check (td, PRIV_DRIVER); 1917#endif 1918 if (error) 1919 return error; 1920 s = splimp (); 1921 CE_LOCK (bd); 1922 /* hard_reset (c->board); */ 1923 CE_UNLOCK (bd); 1924 splx (s); 1925 return 0; 1926#endif 1927 1928 case SERIAL_GETCABLE: 1929 CE_DEBUG2 (d, ("ioctl: getcable\n")); 1930 if (c->type != T_E1) 1931 return EINVAL; 1932 s = splimp (); 1933 CE_LOCK (bd); 1934 *(int*)data = CABLE_TP; 1935 CE_UNLOCK (bd); 1936 splx (s); 1937 return 0; 1938 1939 case SERIAL_GETDIR: 1940 CE_DEBUG2 (d, ("ioctl: getdir\n")); 1941 if (c->type != T_E1 && c->type != T_DATA) 1942 return EINVAL; 1943 *(int*)data = c->dir; 1944 return 0; 1945 1946 case SERIAL_SETDIR: 1947 CE_DEBUG2 (d, ("ioctl: setdir\n")); 1948 /* Only for superuser! */ 1949#if __FreeBSD_version < 500000 1950 error = suser (p); 1951#elif __FreeBSD_version < 700000 1952 error = suser (td); 1953#else 1954 error = priv_check (td, PRIV_DRIVER); 1955#endif 1956 if (error) 1957 return error; 1958 s = splimp (); 1959 CE_LOCK (bd); 1960 ce_set_dir (c, *(int*)data); 1961 CE_UNLOCK (bd); 1962 splx (s); 1963 return 0; 1964 1965 case TIOCSDTR: /* Set DTR */ 1966 s = splimp (); 1967 CE_LOCK (bd); 1968 ce_set_dtr (c, 1); 1969 CE_UNLOCK (bd); 1970 splx (s); 1971 return 0; 1972 1973 case TIOCCDTR: /* Clear DTR */ 1974 s = splimp (); 1975 CE_LOCK (bd); 1976 ce_set_dtr (c, 0); 1977 CE_UNLOCK (bd); 1978 splx (s); 1979 return 0; 1980 1981 case TIOCMSET: /* Set DTR/RTS */ 1982 s = splimp (); 1983 CE_LOCK (bd); 1984 ce_set_dtr (c, (*(int*)data & TIOCM_DTR) ? 1 : 0); 1985 ce_set_rts (c, (*(int*)data & TIOCM_RTS) ? 1 : 0); 1986 CE_UNLOCK (bd); 1987 splx (s); 1988 return 0; 1989 1990 case TIOCMBIS: /* Add DTR/RTS */ 1991 s = splimp (); 1992 CE_LOCK (bd); 1993 if (*(int*)data & TIOCM_DTR) ce_set_dtr (c, 1); 1994 if (*(int*)data & TIOCM_RTS) ce_set_rts (c, 1); 1995 CE_UNLOCK (bd); 1996 splx (s); 1997 return 0; 1998 1999 case TIOCMBIC: /* Clear DTR/RTS */ 2000 s = splimp (); 2001 CE_LOCK (bd); 2002 if (*(int*)data & TIOCM_DTR) ce_set_dtr (c, 0); 2003 if (*(int*)data & TIOCM_RTS) ce_set_rts (c, 0); 2004 CE_UNLOCK (bd); 2005 splx (s); 2006 return 0; 2007 2008 case TIOCMGET: /* Get modem status */ 2009 *(int*)data = ce_modem_status (c); 2010 return 0; 2011 } 2012 return ENOTTY; 2013} 2014 2015#ifdef NETGRAPH 2016#if __FreeBSD_version >= 500000 2017static int ng_ce_constructor (node_p node) 2018{ 2019 drv_t *d = NG_NODE_PRIVATE (node); 2020#else 2021static int ng_ce_constructor (node_p *node) 2022{ 2023 drv_t *d = (*node)->private; 2024#endif 2025 CE_DEBUG (d, ("Constructor\n")); 2026 return EINVAL; 2027} 2028 2029static int ng_ce_newhook (node_p node, hook_p hook, const char *name) 2030{ 2031 int s; 2032#if __FreeBSD_version >= 500000 2033 drv_t *d = NG_NODE_PRIVATE (node); 2034#else 2035 drv_t *d = node->private; 2036#endif 2037 bdrv_t *bd = d->board->sys; 2038 2039 CE_DEBUG (d, ("Newhook\n")); 2040 /* Attach debug hook */ 2041 if (strcmp (name, NG_CE_HOOK_DEBUG) == 0) { 2042#if __FreeBSD_version >= 500000 2043 NG_HOOK_SET_PRIVATE (hook, NULL); 2044#else 2045 hook->private = 0; 2046#endif 2047 d->debug_hook = hook; 2048 return 0; 2049 } 2050 2051 /* Check for raw hook */ 2052 if (strcmp (name, NG_CE_HOOK_RAW) != 0) 2053 return EINVAL; 2054 2055#if __FreeBSD_version >= 500000 2056 NG_HOOK_SET_PRIVATE (hook, d); 2057#else 2058 hook->private = d; 2059#endif 2060 d->hook = hook; 2061 s = splimp (); 2062 CE_LOCK (bd); 2063 ce_up (d); 2064 CE_UNLOCK (bd); 2065 splx (s); 2066 return 0; 2067} 2068 2069static char *format_timeslots (u_long s) 2070{ 2071 static char buf [100]; 2072 char *p = buf; 2073 int i; 2074 2075 for (i=1; i<32; ++i) 2076 if ((s >> i) & 1) { 2077 int prev = (i > 1) & (s >> (i-1)); 2078 int next = (i < 31) & (s >> (i+1)); 2079 2080 if (prev) { 2081 if (next) 2082 continue; 2083 *p++ = '-'; 2084 } else if (p > buf) 2085 *p++ = ','; 2086 2087 if (i >= 10) 2088 *p++ = '0' + i / 10; 2089 *p++ = '0' + i % 10; 2090 } 2091 *p = 0; 2092 return buf; 2093} 2094 2095static int print_modems (char *s, ce_chan_t *c, int need_header) 2096{ 2097 int status = ce_modem_status (c); 2098 int length = 0; 2099 2100 if (need_header) 2101 length += sprintf (s + length, " LE DTR DSR RTS CTS CD\n"); 2102 length += sprintf (s + length, "%4s %4s %4s %4s %4s %4s\n", 2103 status & TIOCM_LE ? "On" : "-", 2104 status & TIOCM_DTR ? "On" : "-", 2105 status & TIOCM_DSR ? "On" : "-", 2106 status & TIOCM_RTS ? "On" : "-", 2107 status & TIOCM_CTS ? "On" : "-", 2108 status & TIOCM_CD ? "On" : "-"); 2109 return length; 2110} 2111 2112static int print_stats (char *s, ce_chan_t *c, int need_header) 2113{ 2114 int length = 0; 2115 2116 if (need_header) 2117 length += sprintf (s + length, " Rintr Tintr Mintr Ibytes Ipkts Ierrs Obytes Opkts Oerrs\n"); 2118 length += sprintf (s + length, "%7ld %7ld %7ld %8lu %7ld %7ld %8lu %7ld %7ld\n", 2119 c->rintr, c->tintr, 0l, (unsigned long) c->ibytes, 2120 c->ipkts, c->overrun + c->frame + c->crc, 2121 (unsigned long) c->obytes, c->opkts, c->underrun); 2122 return length; 2123} 2124 2125static char *format_e1_status (u_char status) 2126{ 2127 static char buf [80]; 2128 2129 if (status & E1_NOALARM) 2130 return "Ok"; 2131 buf[0] = 0; 2132 if (status & E1_LOS) strcat (buf, ",LOS"); 2133 if (status & E1_AIS) strcat (buf, ",AIS"); 2134 if (status & E1_LOF) strcat (buf, ",LOF"); 2135 if (status & E1_LOMF) strcat (buf, ",LOMF"); 2136 if (status & E1_FARLOF) strcat (buf, ",FARLOF"); 2137 if (status & E1_AIS16) strcat (buf, ",AIS16"); 2138 if (status & E1_FARLOMF) strcat (buf, ",FARLOMF"); 2139 if (status & E1_TSTREQ) strcat (buf, ",TSTREQ"); 2140 if (status & E1_TSTERR) strcat (buf, ",TSTERR"); 2141 if (buf[0] == ',') 2142 return buf+1; 2143 return "Unknown"; 2144} 2145 2146static int print_frac (char *s, int leftalign, u_long numerator, u_long divider) 2147{ 2148 int n, length = 0; 2149 2150 if (numerator < 1 || divider < 1) { 2151 length += sprintf (s+length, leftalign ? "/- " : " -"); 2152 return length; 2153 } 2154 n = (int) (0.5 + 1000.0 * numerator / divider); 2155 if (n < 1000) { 2156 length += sprintf (s+length, leftalign ? "/.%-3d" : " .%03d", n); 2157 return length; 2158 } 2159 *(s + length) = leftalign ? '/' : ' '; 2160 length ++; 2161 2162 if (n >= 1000000) n = (n+500) / 1000 * 1000; 2163 else if (n >= 100000) n = (n+50) / 100 * 100; 2164 else if (n >= 10000) n = (n+5) / 10 * 10; 2165 2166 switch (n) { 2167 case 1000: length += printf (s+length, ".999"); return length; 2168 case 10000: n = 9990; break; 2169 case 100000: n = 99900; break; 2170 case 1000000: n = 999000; break; 2171 } 2172 if (n < 10000) length += sprintf (s+length, "%d.%d", n/1000, n/10%100); 2173 else if (n < 100000) length += sprintf (s+length, "%d.%d", n/1000, n/100%10); 2174 else if (n < 1000000) length += sprintf (s+length, "%d.", n/1000); 2175 else length += sprintf (s+length, "%d", n/1000); 2176 2177 return length; 2178} 2179 2180static int print_e1_stats (char *s, ce_chan_t *c) 2181{ 2182 struct e1_counters total; 2183 u_long totsec; 2184 int length = 0; 2185 2186 totsec = c->totsec + c->cursec; 2187 total.bpv = c->total.bpv + c->currnt.bpv; 2188 total.fse = c->total.fse + c->currnt.fse; 2189 total.crce = c->total.crce + c->currnt.crce; 2190 total.rcrce = c->total.rcrce + c->currnt.rcrce; 2191 total.uas = c->total.uas + c->currnt.uas; 2192 total.les = c->total.les + c->currnt.les; 2193 total.es = c->total.es + c->currnt.es; 2194 total.bes = c->total.bes + c->currnt.bes; 2195 total.ses = c->total.ses + c->currnt.ses; 2196 total.oofs = c->total.oofs + c->currnt.oofs; 2197 total.css = c->total.css + c->currnt.css; 2198 total.dm = c->total.dm + c->currnt.dm; 2199 2200 length += sprintf (s + length, " Unav/Degr Bpv/Fsyn CRC/RCRC Err/Lerr Sev/Bur Oof/Slp Status\n"); 2201 2202 /* Unavailable seconds, degraded minutes */ 2203 length += print_frac (s + length, 0, c->currnt.uas, c->cursec); 2204 length += print_frac (s + length, 1, 60 * c->currnt.dm, c->cursec); 2205 2206 /* Bipolar violations, frame sync errors */ 2207 length += print_frac (s + length, 0, c->currnt.bpv, c->cursec); 2208 length += print_frac (s + length, 1, c->currnt.fse, c->cursec); 2209 2210 /* CRC errors, remote CRC errors (E-bit) */ 2211 length += print_frac (s + length, 0, c->currnt.crce, c->cursec); 2212 length += print_frac (s + length, 1, c->currnt.rcrce, c->cursec); 2213 2214 /* Errored seconds, line errored seconds */ 2215 length += print_frac (s + length, 0, c->currnt.es, c->cursec); 2216 length += print_frac (s + length, 1, c->currnt.les, c->cursec); 2217 2218 /* Severely errored seconds, burst errored seconds */ 2219 length += print_frac (s + length, 0, c->currnt.ses, c->cursec); 2220 length += print_frac (s + length, 1, c->currnt.bes, c->cursec); 2221 2222 /* Out of frame seconds, controlled slip seconds */ 2223 length += print_frac (s + length, 0, c->currnt.oofs, c->cursec); 2224 length += print_frac (s + length, 1, c->currnt.css, c->cursec); 2225 2226 length += sprintf (s + length, " %s\n", format_e1_status (c->status)); 2227 2228 /* Print total statistics. */ 2229 length += print_frac (s + length, 0, total.uas, totsec); 2230 length += print_frac (s + length, 1, 60 * total.dm, totsec); 2231 2232 length += print_frac (s + length, 0, total.bpv, totsec); 2233 length += print_frac (s + length, 1, total.fse, totsec); 2234 2235 length += print_frac (s + length, 0, total.crce, totsec); 2236 length += print_frac (s + length, 1, total.rcrce, totsec); 2237 2238 length += print_frac (s + length, 0, total.es, totsec); 2239 length += print_frac (s + length, 1, total.les, totsec); 2240 2241 length += print_frac (s + length, 0, total.ses, totsec); 2242 length += print_frac (s + length, 1, total.bes, totsec); 2243 2244 length += print_frac (s + length, 0, total.oofs, totsec); 2245 length += print_frac (s + length, 1, total.css, totsec); 2246 2247 length += sprintf (s + length, " -- Total\n"); 2248 return length; 2249} 2250 2251static int print_chan (char *s, ce_chan_t *c) 2252{ 2253 drv_t *d = c->sys; 2254 int length = 0; 2255 2256 length += sprintf (s + length, "ce%d", c->board->num * NCHAN + c->num); 2257 if (d->chan->debug) 2258 length += sprintf (s + length, " debug=%d", d->chan->debug); 2259 2260 if (c->board->mux) { 2261 length += sprintf (s + length, " cfg=C"); 2262 } else { 2263 length += sprintf (s + length, " cfg=A"); 2264 } 2265 2266 if (c->baud) 2267 length += sprintf (s + length, " %ld", c->baud); 2268 else 2269 length += sprintf (s + length, " extclock"); 2270 2271 if (c->type == T_E1) 2272 switch (c->gsyn) { 2273 case GSYN_INT : length += sprintf (s + length, " syn=int"); break; 2274 case GSYN_RCV : length += sprintf (s + length, " syn=rcv"); break; 2275 case GSYN_RCV0 : length += sprintf (s + length, " syn=rcv0"); break; 2276 case GSYN_RCV1 : length += sprintf (s + length, " syn=rcv1"); break; 2277 } 2278 if (c->type == T_E1) 2279 length += sprintf (s + length, " higain=%s", c->higain ? "on" : "off"); 2280 2281 length += sprintf (s + length, " loop=%s", c->lloop ? "on" : "off"); 2282 2283 if (c->type == T_E1) 2284 length += sprintf (s + length, " ts=%s", format_timeslots (c->ts)); 2285 length += sprintf (s + length, "\n"); 2286 return length; 2287} 2288 2289#if __FreeBSD_version >= 500000 2290static int ng_ce_rcvmsg (node_p node, item_p item, hook_p lasthook) 2291{ 2292 drv_t *d = NG_NODE_PRIVATE (node); 2293 struct ng_mesg *msg; 2294#else 2295static int ng_ce_rcvmsg (node_p node, struct ng_mesg *msg, 2296 const char *retaddr, struct ng_mesg **rptr) 2297{ 2298 drv_t *d = node->private; 2299#endif 2300 struct ng_mesg *resp = NULL; 2301 int error = 0; 2302 2303 CE_DEBUG (d, ("Rcvmsg\n")); 2304#if __FreeBSD_version >= 500000 2305 NGI_GET_MSG (item, msg); 2306#endif 2307 switch (msg->header.typecookie) { 2308 default: 2309 error = EINVAL; 2310 break; 2311 2312 case NGM_CE_COOKIE: 2313 printf ("Not implemented yet\n"); 2314 error = EINVAL; 2315 break; 2316 2317 case NGM_GENERIC_COOKIE: 2318 switch (msg->header.cmd) { 2319 default: 2320 error = EINVAL; 2321 break; 2322 2323 case NGM_TEXT_STATUS: { 2324 char *s; 2325 int l = 0; 2326 int dl = sizeof (struct ng_mesg) + 730; 2327 2328#if __FreeBSD_version >= 500000 2329 NG_MKRESPONSE (resp, msg, dl, M_NOWAIT); 2330 if (! resp) { 2331 error = ENOMEM; 2332 break; 2333 } 2334#else 2335 resp = malloc (M_NETGRAPH, M_NOWAIT); 2336 if (! resp) { 2337 error = ENOMEM; 2338 break; 2339 } 2340 bzero (resp, dl); 2341#endif 2342 s = (resp)->data; 2343 if (d) { 2344 l += print_chan (s + l, d->chan); 2345 l += print_stats (s + l, d->chan, 1); 2346 l += print_modems (s + l, d->chan, 1); 2347 l += print_e1_stats (s + l, d->chan); 2348 } else 2349 l += sprintf (s + l, "Error: node not connect to channel"); 2350#if __FreeBSD_version < 500000 2351 (resp)->header.version = NG_VERSION; 2352 (resp)->header.arglen = strlen (s) + 1; 2353 (resp)->header.token = msg->header.token; 2354 (resp)->header.typecookie = NGM_CE_COOKIE; 2355 (resp)->header.cmd = msg->header.cmd; 2356#endif 2357 strncpy ((resp)->header.cmdstr, "status", NG_CMDSTRSIZ); 2358 } 2359 break; 2360 } 2361 break; 2362 } 2363#if __FreeBSD_version >= 500000 2364 NG_RESPOND_MSG (error, node, item, resp); 2365 NG_FREE_MSG (msg); 2366#else 2367 *rptr = resp; 2368 free (msg, M_NETGRAPH); 2369#endif 2370 return error; 2371} 2372 2373#if __FreeBSD_version >= 500000 2374static int ng_ce_rcvdata (hook_p hook, item_p item) 2375{ 2376 drv_t *d = NG_NODE_PRIVATE (NG_HOOK_NODE(hook)); 2377 struct mbuf *m; 2378#if __FreeBSD_version < 502120 2379 meta_p meta; 2380#else 2381 struct ng_tag_prio *ptag; 2382#endif 2383#else 2384static int ng_ce_rcvdata (hook_p hook, struct mbuf *m, meta_p meta) 2385{ 2386 drv_t *d = hook->node->private; 2387#endif 2388 bdrv_t *bd = d->board->sys; 2389 struct ifqueue *q; 2390 int s; 2391 2392 CE_DEBUG2 (d, ("Rcvdata\n")); 2393#if __FreeBSD_version >= 500000 2394 NGI_GET_M (item, m); 2395#if __FreeBSD_version < 502120 2396 NGI_GET_META (item, meta); 2397#endif 2398 NG_FREE_ITEM (item); 2399 if (! NG_HOOK_PRIVATE (hook) || ! d) { 2400 NG_FREE_M (m); 2401#if __FreeBSD_version < 502120 2402 NG_FREE_META (meta); 2403#endif 2404#else 2405 if (! hook->private || ! d) { 2406 NG_FREE_DATA (m,meta); 2407#endif 2408 return ENETDOWN; 2409 } 2410 2411#if __FreeBSD_version >= 502120 2412 /* Check for high priority data */ 2413 if ((ptag = (struct ng_tag_prio *)m_tag_locate(m, NGM_GENERIC_COOKIE, 2414 NG_TAG_PRIO, NULL)) != NULL && (ptag->priority > NG_PRIO_CUTOFF) ) 2415 q = &d->hi_queue; 2416 else 2417 q = &d->queue; 2418#else 2419 q = (meta && meta->priority > 0) ? &d->hi_queue : &d->queue; 2420#endif 2421 2422 s = splimp (); 2423 CE_LOCK (bd); 2424#if __FreeBSD_version >= 500000 2425 IF_LOCK (q); 2426 if (_IF_QFULL (q)) { 2427 _IF_DROP (q); 2428 IF_UNLOCK (q); 2429 CE_UNLOCK (bd); 2430 splx (s); 2431 NG_FREE_M (m); 2432#if __FreeBSD_version < 502120 2433 NG_FREE_META (meta); 2434#endif 2435 return ENOBUFS; 2436 } 2437 _IF_ENQUEUE (q, m); 2438 IF_UNLOCK (q); 2439#else 2440 if (IF_QFULL (q)) { 2441 IF_DROP (q); 2442 CE_UNLOCK (bd); 2443 splx (s); 2444 NG_FREE_DATA (m, meta); 2445 return ENOBUFS; 2446 } 2447 IF_ENQUEUE (q, m); 2448#endif 2449 ce_start (d); 2450 CE_UNLOCK (bd); 2451 splx (s); 2452 return 0; 2453} 2454 2455static int ng_ce_rmnode (node_p node) 2456{ 2457#if __FreeBSD_version >= 500000 2458 drv_t *d = NG_NODE_PRIVATE (node); 2459 2460 CE_DEBUG (d, ("Rmnode\n")); 2461 if (d && d->running) { 2462 bdrv_t *bd = d->board->sys; 2463 int s = splimp (); 2464 CE_LOCK (bd); 2465 ce_down (d); 2466 CE_UNLOCK (bd); 2467 splx (s); 2468 } 2469#ifdef KLD_MODULE 2470#if __FreeBSD_version >= 502120 2471 if (node->nd_flags & NGF_REALLY_DIE) { 2472#else 2473 if (node->nd_flags & NG_REALLY_DIE) { 2474#endif 2475 NG_NODE_SET_PRIVATE (node, NULL); 2476 NG_NODE_UNREF (node); 2477 } 2478#if __FreeBSD_version >= 502120 2479 NG_NODE_REVIVE(node); /* Persistant node */ 2480#else 2481 node->nd_flags &= ~NG_INVALID; 2482#endif 2483#endif 2484#else /* __FreeBSD_version < 500000 */ 2485 drv_t *d = node->private; 2486 2487 if (d && d->running) { 2488 bdrv_t *bd = d->board->sys; 2489 int s = splimp (); 2490 CE_LOCK (bd); 2491 ce_down (d); 2492 CE_UNLOCK (bd); 2493 splx (s); 2494 } 2495 2496 node->flags |= NG_INVALID; 2497 ng_cutlinks (node); 2498#ifdef KLD_MODULE 2499 ng_unname (node); 2500 ng_unref (node); 2501#endif 2502#endif 2503 return 0; 2504} 2505 2506static int ng_ce_connect (hook_p hook) 2507{ 2508#if __FreeBSD_version >= 500000 2509 drv_t *d = NG_NODE_PRIVATE (NG_HOOK_NODE (hook)); 2510#else 2511 drv_t *d = hook->node->private; 2512#endif 2513 2514 if (d) { 2515 CE_DEBUG (d, ("Connect\n")); 2516 callout_reset (&d->timeout_handle, hz, ce_watchdog_timer, d); 2517 } 2518 2519 return 0; 2520} 2521 2522static int ng_ce_disconnect (hook_p hook) 2523{ 2524#if __FreeBSD_version >= 500000 2525 drv_t *d = NG_NODE_PRIVATE (NG_HOOK_NODE (hook)); 2526#else 2527 drv_t *d = hook->node->private; 2528#endif 2529 2530 if (d) { 2531 CE_DEBUG (d, ("Disconnect\n")); 2532#if __FreeBSD_version >= 500000 2533 if (NG_HOOK_PRIVATE (hook)) 2534#else 2535 if (hook->private) 2536#endif 2537 { 2538 bdrv_t *bd = d->board->sys; 2539 int s = splimp (); 2540 CE_LOCK (bd); 2541 ce_down (d); 2542 CE_UNLOCK (bd); 2543 splx (s); 2544 } 2545 /* If we were wait it than it reasserted now, just stop it. */ 2546 if (!callout_drain (&d->timeout_handle)) 2547 callout_stop (&d->timeout_handle); 2548 } 2549 return 0; 2550} 2551#endif 2552 2553static int ce_modevent (module_t mod, int type, void *unused) 2554{ 2555#if __FreeBSD_version < 500000 2556 dev_t dev; 2557 struct cdevsw *cdsw; 2558#endif 2559 static int load_count = 0; 2560 2561#if __FreeBSD_version < 500000 2562 dev = makedev (CDEV_MAJOR, 0); 2563#endif 2564 2565 switch (type) { 2566 case MOD_LOAD: 2567#if __FreeBSD_version < 500000 2568 if (dev != NODEV && 2569 (cdsw = devsw (dev)) && 2570 cdsw->d_maj == CDEV_MAJOR) { 2571 printf ("Tau32-PCI driver is already in system\n"); 2572 return (ENXIO); 2573 } 2574#endif 2575#if __FreeBSD_version >= 500000 && defined NETGRAPH 2576 if (ng_newtype (&typestruct)) 2577 printf ("Failed to register ng_ce\n"); 2578#endif 2579 ++load_count; 2580#if __FreeBSD_version <= 500000 2581 cdevsw_add (&ce_cdevsw); 2582#endif 2583#if __FreeBSD_version >= 500000 2584 callout_init (&timeout_handle, CALLOUT_MPSAFE); 2585#else 2586 callout_init (&timeout_handle); 2587#endif 2588 callout_reset (&timeout_handle, hz*5, ce_timeout, 0); 2589 break; 2590 case MOD_UNLOAD: 2591 if (load_count == 1) { 2592 printf ("Removing device entry for Tau32-PCI\n"); 2593#if __FreeBSD_version <= 500000 2594 cdevsw_remove (&ce_cdevsw); 2595#endif 2596#if __FreeBSD_version >= 500000 && defined NETGRAPH 2597 ng_rmtype (&typestruct); 2598#endif 2599 } 2600 /* If we were wait it than it reasserted now, just stop it. 2601 * Actually we shouldn't get this condition. But code could be 2602 * changed in the future, so just be a litle paranoid. 2603 */ 2604 if (!callout_drain (&timeout_handle)) 2605 callout_stop (&timeout_handle); 2606 --load_count; 2607 break; 2608 case MOD_SHUTDOWN: 2609 break; 2610 } 2611 return 0; 2612} 2613 2614#ifdef NETGRAPH 2615#if __FreeBSD_version >= 502100 2616static struct ng_type typestruct = { 2617 .version = NG_ABI_VERSION, 2618 .name = NG_CE_NODE_TYPE, 2619 .constructor = ng_ce_constructor, 2620 .rcvmsg = ng_ce_rcvmsg, 2621 .shutdown = ng_ce_rmnode, 2622 .newhook = ng_ce_newhook, 2623 .connect = ng_ce_connect, 2624 .rcvdata = ng_ce_rcvdata, 2625 .disconnect = ng_ce_disconnect, 2626}; 2627#else /* __FreeBSD_version < 502100 */ 2628static struct ng_type typestruct = { 2629#if __FreeBSD_version >= 500000 2630 NG_ABI_VERSION, 2631#else 2632 NG_VERSION, 2633#endif 2634 NG_CE_NODE_TYPE, 2635 ce_modevent, 2636 ng_ce_constructor, 2637 ng_ce_rcvmsg, 2638 ng_ce_rmnode, 2639 ng_ce_newhook, 2640 NULL, 2641 ng_ce_connect, 2642 ng_ce_rcvdata, 2643#if __FreeBSD_version < 500000 2644 NULL, 2645#endif 2646 ng_ce_disconnect, 2647 NULL 2648}; 2649#endif /* __FreeBSD_version < 502100 */ 2650 2651#endif /*NETGRAPH*/ 2652 2653#if __FreeBSD_version >= 500000 2654#ifdef NETGRAPH 2655MODULE_DEPEND (ng_ce, netgraph, NG_ABI_VERSION, NG_ABI_VERSION, NG_ABI_VERSION); 2656#else 2657MODULE_DEPEND (ce, sppp, 1, 1, 1); 2658#endif 2659#ifdef KLD_MODULE 2660DRIVER_MODULE (cemod, pci, ce_driver, ce_devclass, ce_modevent, NULL); 2661#else 2662DRIVER_MODULE (ce, pci, ce_driver, ce_devclass, ce_modevent, NULL); 2663#endif 2664#else /* if __FreeBSD_version < 500000*/ 2665#ifdef NETGRAPH 2666DRIVER_MODULE (ce, pci, ce_driver, ce_devclass, ng_mod_event, &typestruct); 2667#else 2668DRIVER_MODULE (ce, pci, ce_driver, ce_devclass, ce_modevent, NULL); 2669#endif 2670#endif /* __FreeBSD_version < 500000 */ 2671#endif /* NPCI */ 2672