Now available: The Design and Implementation of the FreeBSD Operating System (Second Edition)
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FreeBSD/Linux Kernel Cross Reference
sys/dev/ctau/if_ct.c
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1 /*- 2 * Cronyx-Tau adapter driver for FreeBSD. 3 * Supports PPP/HDLC and Cisco/HDLC 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) 1994-2002 Cronyx Engineering. 8 * Author: Serge Vakulenko, <vak@cronyx.ru> 9 * 10 * Copyright (C) 1999-2004 Cronyx Engineering. 11 * Author: Roman Kurakin, <rik@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_ct.c,v 1.1.2.31 2004/06/23 17:09:13 rik Exp $ 22 */ 23 24 #include <sys/cdefs.h> 25 __FBSDID("$FreeBSD$"); 26 27 #include <sys/param.h> 28 #include <sys/proc.h> 29 #include <sys/systm.h> 30 #include <sys/kernel.h> 31 #include <sys/module.h> 32 #include <sys/mbuf.h> 33 #include <sys/sockio.h> 34 #include <sys/malloc.h> 35 #include <sys/socket.h> 36 #include <sys/sysctl.h> 37 #include <sys/conf.h> 38 #include <sys/errno.h> 39 #include <sys/tty.h> 40 #include <sys/bus.h> 41 #include <machine/bus.h> 42 #include <sys/rman.h> 43 #include <isa/isavar.h> 44 #include <sys/interrupt.h> 45 #include <vm/vm.h> 46 #include <vm/pmap.h> 47 #include <net/if.h> 48 #include <machine/cpufunc.h> 49 #include <machine/cserial.h> 50 #include <machine/clock.h> 51 #include <machine/resource.h> 52 #include <dev/cx/machdep.h> 53 #include <dev/ctau/ctddk.h> 54 #include <dev/cx/cronyxfw.h> 55 #include "opt_ng_cronyx.h" 56 #ifdef NETGRAPH_CRONYX 57 # include "opt_netgraph.h" 58 # include <netgraph/ng_message.h> 59 # include <netgraph/netgraph.h> 60 # include <dev/ctau/ng_ct.h> 61 #else 62 # include <net/if_types.h> 63 # include <net/if_sppp.h> 64 # define PP_CISCO IFF_LINK2 65 # include <net/bpf.h> 66 #endif 67 68 #define NCTAU 1 69 70 /* If we don't have Cronyx's sppp version, we don't have fr support via sppp */ 71 #ifndef PP_FR 72 #define PP_FR 0 73 #endif 74 75 #define CT_DEBUG(d,s) ({if (d->chan->debug) {\ 76 printf ("%s: ", d->name); printf s;}}) 77 #define CT_DEBUG2(d,s) ({if (d->chan->debug>1) {\ 78 printf ("%s: ", d->name); printf s;}}) 79 80 #define CT_LOCK_NAME "ctX" 81 82 static int ct_mpsafenet = 1; 83 TUNABLE_INT("debug.ctau.mpsafenet", &ct_mpsafenet); 84 SYSCTL_NODE(_debug, OID_AUTO, ctau, CTLFLAG_RD, 0, "Cronyx Tau-ISA Adapters"); 85 SYSCTL_INT(_debug_ctau, OID_AUTO, mpsafenet, CTLFLAG_RD, &ct_mpsafenet, 0, 86 "Enable/disable MPSAFE network support for Cronyx Tau-ISA Adapters"); 87 88 #define CT_LOCK(_bd) do { \ 89 if (ct_mpsafenet) \ 90 mtx_lock (&(_bd)->ct_mtx); \ 91 } while (0) 92 #define CT_UNLOCK(_bd) do { \ 93 if (ct_mpsafenet) \ 94 mtx_unlock (&(_bd)->ct_mtx); \ 95 } while (0) 96 #define CT_LOCK_ASSERT(_bd) do { \ 97 if (ct_mpsafenet) \ 98 mtx_assert (&(_bd)->ct_mtx, MA_OWNED); \ 99 } while (0) 100 101 #define CDEV_MAJOR 99 102 103 static void ct_identify __P((driver_t *, device_t)); 104 static int ct_probe __P((device_t)); 105 static int ct_attach __P((device_t)); 106 static int ct_detach __P((device_t)); 107 108 static device_method_t ct_isa_methods [] = { 109 DEVMETHOD(device_identify, ct_identify), 110 DEVMETHOD(device_probe, ct_probe), 111 DEVMETHOD(device_attach, ct_attach), 112 DEVMETHOD(device_detach, ct_detach), 113 {0, 0} 114 }; 115 116 typedef struct _ct_dma_mem_t { 117 unsigned long phys; 118 void *virt; 119 size_t size; 120 bus_dma_tag_t dmat; 121 bus_dmamap_t mapp; 122 } ct_dma_mem_t; 123 124 typedef struct _drv_t { 125 char name [8]; 126 ct_chan_t *chan; 127 ct_board_t *board; 128 struct _bdrv_t *bd; 129 ct_dma_mem_t dmamem; 130 int running; 131 #ifdef NETGRAPH 132 char nodename [NG_NODELEN+1]; 133 hook_p hook; 134 hook_p debug_hook; 135 node_p node; 136 struct ifqueue queue; 137 struct ifqueue hi_queue; 138 short timeout; 139 struct callout timeout_handle; 140 #else 141 struct ifqueue queue; 142 struct sppp pp; 143 #endif 144 struct cdev *devt; 145 } drv_t; 146 147 typedef struct _bdrv_t { 148 ct_board_t *board; 149 struct resource *base_res; 150 struct resource *drq_res; 151 struct resource *irq_res; 152 int base_rid; 153 int drq_rid; 154 int irq_rid; 155 void *intrhand; 156 drv_t channel [NCHAN]; 157 struct mtx ct_mtx; 158 } bdrv_t; 159 160 static driver_t ct_isa_driver = { 161 "ct", 162 ct_isa_methods, 163 sizeof (bdrv_t), 164 }; 165 166 static devclass_t ct_devclass; 167 168 static void ct_receive (ct_chan_t *c, char *data, int len); 169 static void ct_transmit (ct_chan_t *c, void *attachment, int len); 170 static void ct_error (ct_chan_t *c, int data); 171 static void ct_up (drv_t *d); 172 static void ct_start (drv_t *d); 173 static void ct_down (drv_t *d); 174 static void ct_watchdog (drv_t *d); 175 #ifdef NETGRAPH 176 extern struct ng_type typestruct; 177 #else 178 static void ct_ifstart (struct ifnet *ifp); 179 static void ct_tlf (struct sppp *sp); 180 static void ct_tls (struct sppp *sp); 181 static void ct_ifwatchdog (struct ifnet *ifp); 182 static int ct_sioctl (struct ifnet *ifp, u_long cmd, caddr_t data); 183 static void ct_initialize (void *softc); 184 #endif 185 186 static ct_board_t *adapter [NCTAU]; 187 static drv_t *channel [NCTAU*NCHAN]; 188 static struct callout led_timo [NCTAU]; 189 static struct callout timeout_handle; 190 191 /* 192 * Print the mbuf chain, for debug purposes only. 193 */ 194 static void printmbuf (struct mbuf *m) 195 { 196 printf ("mbuf:"); 197 for (; m; m=m->m_next) { 198 if (m->m_flags & M_PKTHDR) 199 printf (" HDR %d:", m->m_pkthdr.len); 200 if (m->m_flags & M_EXT) 201 printf (" EXT:"); 202 printf (" %d", m->m_len); 203 } 204 printf ("\n"); 205 } 206 207 /* 208 * Make an mbuf from data. 209 */ 210 static struct mbuf *makembuf (void *buf, u_int len) 211 { 212 struct mbuf *m; 213 214 MGETHDR (m, M_DONTWAIT, MT_DATA); 215 if (! m) 216 return 0; 217 MCLGET (m, M_DONTWAIT); 218 if (! (m->m_flags & M_EXT)) { 219 m_freem (m); 220 return 0; 221 } 222 m->m_pkthdr.len = m->m_len = len; 223 bcopy (buf, mtod (m, caddr_t), len); 224 return m; 225 } 226 227 static void ct_timeout (void *arg) 228 { 229 drv_t *d; 230 int s, i, k; 231 232 for (i = 0; i < NCTAU; ++i) { 233 if (adapter[i] == NULL) 234 continue; 235 for (k = 0; k < NCHAN; k++) { 236 d = channel[i * NCHAN + k]; 237 if (! d) 238 continue; 239 if (d->chan->mode != M_G703) 240 continue; 241 s = splimp (); 242 CT_LOCK ((bdrv_t *)d->bd); 243 ct_g703_timer (d->chan); 244 CT_UNLOCK ((bdrv_t *)d->bd); 245 splx (s); 246 } 247 } 248 249 callout_reset (&timeout_handle, hz, ct_timeout, 0); 250 } 251 252 static void ct_led_off (void *arg) 253 { 254 ct_board_t *b = arg; 255 bdrv_t *bd = ((drv_t *)b->chan->sys)->bd; 256 int s = splimp (); 257 258 CT_LOCK (bd); 259 ct_led (b, 0); 260 CT_UNLOCK (bd); 261 splx (s); 262 } 263 264 /* 265 * Activate interupt handler from DDK. 266 */ 267 static void ct_intr (void *arg) 268 { 269 bdrv_t *bd = arg; 270 ct_board_t *b = bd->board; 271 #ifndef NETGRAPH 272 int i; 273 #endif 274 int s = splimp (); 275 276 CT_LOCK (bd); 277 /* Turn LED on. */ 278 ct_led (b, 1); 279 280 ct_int_handler (b); 281 282 /* Turn LED off 50 msec later. */ 283 callout_reset (&led_timo[b->num], hz/20, ct_led_off, b); 284 CT_UNLOCK (bd); 285 splx (s); 286 287 #ifndef NETGRAPH 288 /* Pass packets in a lock-free state */ 289 for (i = 0; i < NCHAN && b->chan[i].type; i++) { 290 drv_t *d = b->chan[i].sys; 291 struct mbuf *m; 292 if (!d || !d->running) 293 continue; 294 while (_IF_QLEN(&d->queue)) { 295 IF_DEQUEUE (&d->queue,m); 296 if (!m) 297 continue; 298 sppp_input (&d->pp.pp_if, m); 299 } 300 } 301 #endif 302 } 303 304 static int probe_irq (ct_board_t *b, int irq) 305 { 306 int mask, busy, cnt; 307 308 /* Clear pending irq, if any. */ 309 ct_probe_irq (b, -irq); 310 DELAY (100); 311 for (cnt=0; cnt<5; ++cnt) { 312 /* Get the mask of pending irqs, assuming they are busy. 313 * Activate the adapter on given irq. */ 314 busy = ct_probe_irq (b, irq); 315 DELAY (1000); 316 317 /* Get the mask of active irqs. 318 * Deactivate our irq. */ 319 mask = ct_probe_irq (b, -irq); 320 DELAY (100); 321 if ((mask & ~busy) == 1 << irq) { 322 ct_probe_irq (b, 0); 323 /* printf ("ct%d: irq %d ok, mask=0x%04x, busy=0x%04x\n", 324 b->num, irq, mask, busy); */ 325 return 1; 326 } 327 } 328 /* printf ("ct%d: irq %d not functional, mask=0x%04x, busy=0x%04x\n", 329 b->num, irq, mask, busy); */ 330 ct_probe_irq (b, 0); 331 return 0; 332 } 333 334 static short porttab [] = { 335 0x200, 0x220, 0x240, 0x260, 0x280, 0x2a0, 0x2c0, 0x2e0, 336 0x300, 0x320, 0x340, 0x360, 0x380, 0x3a0, 0x3c0, 0x3e0, 0 337 }; 338 static char dmatab [] = { 7, 6, 5, 0 }; 339 static char irqtab [] = { 5, 10, 11, 7, 3, 15, 12, 0 }; 340 341 static int ct_is_free_res (device_t dev, int rid, int type, u_long start, 342 u_long end, u_long count) 343 { 344 struct resource *res; 345 346 if (!(res = bus_alloc_resource (dev, type, &rid, start, end, count, 347 RF_ALLOCATED))) 348 return 0; 349 350 bus_release_resource (dev, type, rid, res); 351 352 return 1; 353 } 354 355 static void ct_identify (driver_t *driver, device_t dev) 356 { 357 u_long iobase, rescount; 358 int devcount; 359 device_t *devices; 360 device_t child; 361 devclass_t my_devclass; 362 int i, k; 363 364 if ((my_devclass = devclass_find ("ct")) == NULL) 365 return; 366 367 devclass_get_devices (my_devclass, &devices, &devcount); 368 369 if (devcount == 0) { 370 /* We should find all devices by our self. We could alter other 371 * devices, but we don't have a choise 372 */ 373 for (i = 0; (iobase = porttab [i]) != 0; i++) { 374 if (!ct_is_free_res (dev, 0, SYS_RES_IOPORT, 375 iobase, iobase + NPORT, NPORT)) 376 continue; 377 if (ct_probe_board (iobase, -1, -1) == 0) 378 continue; 379 380 devcount++; 381 child = BUS_ADD_CHILD (dev, ISA_ORDER_SPECULATIVE, "ct", 382 -1); 383 384 if (child == NULL) 385 return; 386 387 device_set_desc_copy (child, "Cronyx Tau-ISA"); 388 device_set_driver (child, driver); 389 bus_set_resource (child, SYS_RES_IOPORT, 0, 390 iobase, NPORT); 391 392 if (devcount >= NCTAU) 393 break; 394 } 395 } else { 396 static short porttab [] = { 397 0x200, 0x220, 0x240, 0x260, 0x280, 0x2a0, 0x2c0, 0x2e0, 398 0x300, 0x320, 0x340, 0x360, 0x380, 0x3a0, 0x3c0, 0x3e0, 0 399 }; 400 /* Lets check user choise. 401 */ 402 for (k = 0; k < devcount; k++) { 403 if (bus_get_resource (devices[k], SYS_RES_IOPORT, 0, 404 &iobase, &rescount) != 0) 405 continue; 406 407 for (i = 0; porttab [i] != 0; i++) { 408 if (porttab [i] != iobase) 409 continue; 410 411 if (!ct_is_free_res (devices[k], 0, SYS_RES_IOPORT, 412 iobase, iobase + NPORT, NPORT)) 413 continue; 414 415 if (ct_probe_board (iobase, -1, -1) == 0) 416 continue; 417 porttab [i] = -1; 418 device_set_desc_copy (devices[k], "Cronyx Tau-ISA"); 419 break; 420 } 421 if (porttab [i] == 0) { 422 device_delete_child ( 423 device_get_parent (devices[k]), 424 devices [k]); 425 devices[k] = 0; 426 continue; 427 } 428 } 429 for (k = 0; k < devcount; k++) { 430 if (devices[k] == 0) 431 continue; 432 if (bus_get_resource (devices[k], SYS_RES_IOPORT, 0, 433 &iobase, &rescount) == 0) 434 continue; 435 for (i = 0; (iobase = porttab [i]) != 0; i++) { 436 if (porttab [i] == -1) 437 continue; 438 if (!ct_is_free_res (devices[k], 0, SYS_RES_IOPORT, 439 iobase, iobase + NPORT, NPORT)) 440 continue; 441 if (ct_probe_board (iobase, -1, -1) == 0) 442 continue; 443 444 bus_set_resource (devices[k], SYS_RES_IOPORT, 0, 445 iobase, NPORT); 446 porttab [i] = -1; 447 device_set_desc_copy (devices[k], "Cronyx Tau-ISA"); 448 break; 449 } 450 if (porttab [i] == 0) { 451 device_delete_child ( 452 device_get_parent (devices[k]), 453 devices [k]); 454 } 455 } 456 free (devices, M_TEMP); 457 } 458 459 return; 460 } 461 462 static int ct_probe (device_t dev) 463 { 464 int unit = device_get_unit (dev); 465 u_long iobase, rescount; 466 467 if (!device_get_desc (dev) || 468 strcmp (device_get_desc (dev), "Cronyx Tau-ISA")) 469 return ENXIO; 470 471 /* KASSERT ((bd != NULL), ("ct%d: NULL device softc\n", unit));*/ 472 if (bus_get_resource (dev, SYS_RES_IOPORT, 0, &iobase, &rescount) != 0) { 473 printf ("ct%d: Couldn't get IOPORT\n", unit); 474 return ENXIO; 475 } 476 477 if (!ct_is_free_res (dev, 0, SYS_RES_IOPORT, 478 iobase, iobase + NPORT, NPORT)) { 479 printf ("ct%d: Resource IOPORT isn't free\n", unit); 480 return ENXIO; 481 } 482 483 if (!ct_probe_board (iobase, -1, -1)) { 484 printf ("ct%d: probing for Tau-ISA at %lx faild\n", unit, iobase); 485 return ENXIO; 486 } 487 488 return 0; 489 } 490 491 extern struct cdevsw ct_cdevsw; 492 493 static void 494 ct_bus_dmamap_addr (void *arg, bus_dma_segment_t *segs, int nseg, int error) 495 { 496 unsigned long *addr; 497 498 if (error) 499 return; 500 501 KASSERT(nseg == 1, ("too many DMA segments, %d should be 1", nseg)); 502 addr = arg; 503 *addr = segs->ds_addr; 504 } 505 506 static int 507 ct_bus_dma_mem_alloc (int bnum, int cnum, ct_dma_mem_t *dmem) 508 { 509 int error; 510 511 error = bus_dma_tag_create (NULL, 16, 0, BUS_SPACE_MAXADDR_24BIT, 512 BUS_SPACE_MAXADDR, NULL, NULL, dmem->size, 1, 513 dmem->size, 0, NULL, NULL, &dmem->dmat); 514 if (error) { 515 if (cnum >= 0) printf ("ct%d-%d: ", bnum, cnum); 516 else printf ("ct%d: ", bnum); 517 printf ("couldn't allocate tag for dma memory\n"); 518 return 0; 519 } 520 error = bus_dmamem_alloc (dmem->dmat, (void **)&dmem->virt, 521 BUS_DMA_NOWAIT | BUS_DMA_ZERO, &dmem->mapp); 522 if (error) { 523 if (cnum >= 0) printf ("ct%d-%d: ", bnum, cnum); 524 else printf ("ct%d: ", bnum); 525 printf ("couldn't allocate mem for dma memory\n"); 526 bus_dma_tag_destroy (dmem->dmat); 527 return 0; 528 } 529 error = bus_dmamap_load (dmem->dmat, dmem->mapp, dmem->virt, 530 dmem->size, ct_bus_dmamap_addr, &dmem->phys, 0); 531 if (error) { 532 if (cnum >= 0) printf ("ct%d-%d: ", bnum, cnum); 533 else printf ("ct%d: ", bnum); 534 printf ("couldn't load mem map for dma memory\n"); 535 bus_dmamem_free (dmem->dmat, dmem->virt, dmem->mapp); 536 bus_dma_tag_destroy (dmem->dmat); 537 return 0; 538 } 539 return 1; 540 } 541 542 static void 543 ct_bus_dma_mem_free (ct_dma_mem_t *dmem) 544 { 545 bus_dmamap_unload (dmem->dmat, dmem->mapp); 546 bus_dmamem_free (dmem->dmat, dmem->virt, dmem->mapp); 547 bus_dma_tag_destroy (dmem->dmat); 548 } 549 550 /* 551 * The adapter is present, initialize the driver structures. 552 */ 553 static int ct_attach (device_t dev) 554 { 555 bdrv_t *bd = device_get_softc (dev); 556 u_long iobase, drq, irq, rescount; 557 int unit = device_get_unit (dev); 558 char *ct_ln = CT_LOCK_NAME; 559 ct_board_t *b; 560 ct_chan_t *c; 561 drv_t *d; 562 int i; 563 int s; 564 565 KASSERT ((bd != NULL), ("ct%d: NULL device softc\n", unit)); 566 567 bus_get_resource (dev, SYS_RES_IOPORT, 0, &iobase, &rescount); 568 bd->base_rid = 0; 569 bd->base_res = bus_alloc_resource (dev, SYS_RES_IOPORT, &bd->base_rid, 570 iobase, iobase + NPORT, NPORT, RF_ACTIVE); 571 if (! bd->base_res) { 572 printf ("ct%d: cannot alloc base address\n", unit); 573 return ENXIO; 574 } 575 576 if (bus_get_resource (dev, SYS_RES_DRQ, 0, &drq, &rescount) != 0) { 577 for (i = 0; (drq = dmatab [i]) != 0; i++) { 578 if (!ct_is_free_res (dev, 0, SYS_RES_DRQ, 579 drq, drq + 1, 1)) 580 continue; 581 bus_set_resource (dev, SYS_RES_DRQ, 0, drq, 1); 582 break; 583 } 584 585 if (dmatab[i] == 0) { 586 bus_release_resource (dev, SYS_RES_IOPORT, bd->base_rid, 587 bd->base_res); 588 printf ("ct%d: Couldn't get DRQ\n", unit); 589 return ENXIO; 590 } 591 } 592 593 bd->drq_rid = 0; 594 bd->drq_res = bus_alloc_resource (dev, SYS_RES_DRQ, &bd->drq_rid, 595 drq, drq + 1, 1, RF_ACTIVE); 596 if (! bd->drq_res) { 597 printf ("ct%d: cannot allocate drq\n", unit); 598 bus_release_resource (dev, SYS_RES_IOPORT, bd->base_rid, 599 bd->base_res); 600 return ENXIO; 601 } 602 603 if (bus_get_resource (dev, SYS_RES_IRQ, 0, &irq, &rescount) != 0) { 604 for (i = 0; (irq = irqtab [i]) != 0; i++) { 605 if (!ct_is_free_res (dev, 0, SYS_RES_IRQ, 606 irq, irq + 1, 1)) 607 continue; 608 bus_set_resource (dev, SYS_RES_IRQ, 0, irq, 1); 609 break; 610 } 611 612 if (irqtab[i] == 0) { 613 bus_release_resource (dev, SYS_RES_DRQ, bd->drq_rid, 614 bd->drq_res); 615 bus_release_resource (dev, SYS_RES_IOPORT, bd->base_rid, 616 bd->base_res); 617 printf ("ct%d: Couldn't get IRQ\n", unit); 618 return ENXIO; 619 } 620 } 621 622 bd->irq_rid = 0; 623 bd->irq_res = bus_alloc_resource (dev, SYS_RES_IRQ, &bd->irq_rid, 624 irq, irq + 1, 1, RF_ACTIVE); 625 if (! bd->irq_res) { 626 printf ("ct%d: Couldn't allocate irq\n", unit); 627 bus_release_resource (dev, SYS_RES_DRQ, bd->drq_rid, 628 bd->drq_res); 629 bus_release_resource (dev, SYS_RES_IOPORT, bd->base_rid, 630 bd->base_res); 631 return ENXIO; 632 } 633 634 b = malloc (sizeof (ct_board_t), M_DEVBUF, M_WAITOK); 635 if (!b) { 636 printf ("ct:%d: Couldn't allocate memory\n", unit); 637 return (ENXIO); 638 } 639 adapter[unit] = b; 640 bzero (b, sizeof(ct_board_t)); 641 642 if (! ct_open_board (b, unit, iobase, irq, drq)) { 643 printf ("ct%d: error loading firmware\n", unit); 644 free (b, M_DEVBUF); 645 bus_release_resource (dev, SYS_RES_IRQ, bd->irq_rid, 646 bd->irq_res); 647 bus_release_resource (dev, SYS_RES_DRQ, bd->drq_rid, 648 bd->drq_res); 649 bus_release_resource (dev, SYS_RES_IOPORT, bd->base_rid, 650 bd->base_res); 651 return ENXIO; 652 } 653 654 bd->board = b; 655 656 ct_ln[2] = '' + unit; 657 mtx_init (&bd->ct_mtx, ct_ln, MTX_NETWORK_LOCK, MTX_DEF|MTX_RECURSE); 658 if (! probe_irq (b, irq)) { 659 printf ("ct%d: irq %ld not functional\n", unit, irq); 660 bd->board = 0; 661 adapter [unit] = 0; 662 free (b, M_DEVBUF); 663 bus_release_resource (dev, SYS_RES_IRQ, bd->irq_rid, 664 bd->irq_res); 665 bus_release_resource (dev, SYS_RES_DRQ, bd->drq_rid, 666 bd->drq_res); 667 bus_release_resource (dev, SYS_RES_IOPORT, bd->base_rid, 668 bd->base_res); 669 mtx_destroy (&bd->ct_mtx); 670 return ENXIO; 671 } 672 673 callout_init (&led_timo[unit], ct_mpsafenet ? CALLOUT_MPSAFE : 0); 674 s = splimp (); 675 if (bus_setup_intr (dev, bd->irq_res, 676 INTR_TYPE_NET|(ct_mpsafenet?INTR_MPSAFE:0), 677 ct_intr, bd, &bd->intrhand)) { 678 printf ("ct%d: Can't setup irq %ld\n", unit, irq); 679 bd->board = 0; 680 adapter [unit] = 0; 681 free (b, M_DEVBUF); 682 bus_release_resource (dev, SYS_RES_IRQ, bd->irq_rid, 683 bd->irq_res); 684 bus_release_resource (dev, SYS_RES_DRQ, bd->drq_rid, 685 bd->drq_res); 686 bus_release_resource (dev, SYS_RES_IOPORT, bd->base_rid, 687 bd->base_res); 688 mtx_destroy (&bd->ct_mtx); 689 splx (s); 690 return ENXIO; 691 } 692 693 CT_LOCK (bd); 694 ct_init_board (b, b->num, b->port, irq, drq, b->type, b->osc); 695 ct_setup_board (b, 0, 0, 0); 696 CT_UNLOCK (bd); 697 698 printf ("ct%d: <Cronyx-%s>, clock %s MHz\n", b->num, b->name, 699 b->osc == 20000000 ? "20" : "16.384"); 700 701 for (c = b->chan; c < b->chan + NCHAN; ++c) { 702 d = &bd->channel[c->num]; 703 d->dmamem.size = sizeof(ct_buf_t); 704 if (! ct_bus_dma_mem_alloc (unit, c->num, &d->dmamem)) 705 continue; 706 d->board = b; 707 d->chan = c; 708 d->bd = bd; 709 c->sys = d; 710 channel [b->num*NCHAN + c->num] = d; 711 sprintf (d->name, "ct%d.%d", b->num, c->num); 712 713 #ifdef NETGRAPH 714 if (ng_make_node_common (&typestruct, &d->node) != 0) { 715 printf ("%s: cannot make common node\n", d->name); 716 channel [b->num*NCHAN + c->num] = 0; 717 c->sys = 0; 718 ct_bus_dma_mem_free (&d->dmamem); 719 continue; 720 } 721 NG_NODE_SET_PRIVATE (d->node, d); 722 sprintf (d->nodename, "%s%d", NG_CT_NODE_TYPE, 723 c->board->num*NCHAN + c->num); 724 if (ng_name_node (d->node, d->nodename)) { 725 printf ("%s: cannot name node\n", d->nodename); 726 NG_NODE_UNREF (d->node); 727 channel [b->num*NCHAN + c->num] = 0; 728 c->sys = 0; 729 ct_bus_dma_mem_free (&d->dmamem); 730 continue; 731 } 732 d->queue.ifq_maxlen = IFQ_MAXLEN; 733 d->hi_queue.ifq_maxlen = IFQ_MAXLEN; 734 mtx_init (&d->queue.ifq_mtx, "ct_queue", NULL, MTX_DEF); 735 mtx_init (&d->hi_queue.ifq_mtx, "ct_queue_hi", NULL, MTX_DEF); 736 callout_init (&d->timeout_handle, 737 ct_mpsafenet ? CALLOUT_MPSAFE : 0); 738 #else /*NETGRAPH*/ 739 d->pp.pp_if.if_softc = d; 740 if_initname (&d->pp.pp_if, "ct", b->num * NCHAN + c->num); 741 d->pp.pp_if.if_mtu = PP_MTU; 742 d->pp.pp_if.if_flags = IFF_POINTOPOINT | IFF_MULTICAST; 743 if (!ct_mpsafenet) 744 d->pp.pp_if.if_flags |= IFF_NEEDSGIANT; 745 d->pp.pp_if.if_ioctl = ct_sioctl; 746 d->pp.pp_if.if_start = ct_ifstart; 747 d->pp.pp_if.if_watchdog = ct_ifwatchdog; 748 d->pp.pp_if.if_init = ct_initialize; 749 d->queue.ifq_maxlen = NBUF; 750 mtx_init (&d->queue.ifq_mtx, "ct_queue", NULL, MTX_DEF); 751 sppp_attach (&d->pp.pp_if); 752 if_attach (&d->pp.pp_if); 753 d->pp.pp_tlf = ct_tlf; 754 d->pp.pp_tls = ct_tls; 755 /* If BPF is in the kernel, call the attach for it. 756 * Header size is 4 bytes. */ 757 bpfattach (&d->pp.pp_if, DLT_PPP, 4); 758 #endif /*NETGRAPH*/ 759 CT_LOCK (bd); 760 ct_start_chan (c, d->dmamem.virt, d->dmamem.phys); 761 ct_register_receive (c, &ct_receive); 762 ct_register_transmit (c, &ct_transmit); 763 ct_register_error (c, &ct_error); 764 CT_UNLOCK (bd); 765 d->devt = make_dev (&ct_cdevsw, b->num*NCHAN+c->num, UID_ROOT, 766 GID_WHEEL, 0600, "ct%d", b->num*NCHAN+c->num); 767 } 768 splx (s); 769 770 return 0; 771 } 772 773 static int ct_detach (device_t dev) 774 { 775 bdrv_t *bd = device_get_softc (dev); 776 ct_board_t *b = bd->board; 777 ct_chan_t *c; 778 int s; 779 780 KASSERT (mtx_initialized (&bd->ct_mtx), ("ct mutex not initialized")); 781 782 s = splimp (); 783 CT_LOCK (bd); 784 /* Check if the device is busy (open). */ 785 for (c = b->chan; c < b->chan + NCHAN; ++c) { 786 drv_t *d = (drv_t*) c->sys; 787 788 if (!d || !d->chan->type) 789 continue; 790 791 if (d->running) { 792 CT_UNLOCK (bd); 793 splx (s); 794 return EBUSY; 795 } 796 } 797 798 /* Deactivate the timeout routine. */ 799 callout_stop (&led_timo[b->num]); 800 801 CT_UNLOCK (bd); 802 803 bus_teardown_intr (dev, bd->irq_res, bd->intrhand); 804 bus_deactivate_resource (dev, SYS_RES_IRQ, bd->irq_rid, bd->irq_res); 805 bus_release_resource (dev, SYS_RES_IRQ, bd->irq_rid, bd->irq_res); 806 807 bus_deactivate_resource (dev, SYS_RES_DRQ, bd->drq_rid, bd->drq_res); 808 bus_release_resource (dev, SYS_RES_DRQ, bd->drq_rid, bd->drq_res); 809 810 bus_deactivate_resource (dev, SYS_RES_IOPORT, bd->base_rid, bd->irq_res); 811 bus_release_resource (dev, SYS_RES_IOPORT, bd->base_rid, bd->base_res); 812 813 CT_LOCK (bd); 814 ct_close_board (b); 815 CT_UNLOCK (bd); 816 817 /* Detach the interfaces, free buffer memory. */ 818 for (c = b->chan; c < b->chan + NCHAN; ++c) { 819 drv_t *d = (drv_t*) c->sys; 820 821 if (!d || !d->chan->type) 822 continue; 823 824 #ifdef NETGRAPH 825 if (d->node) { 826 ng_rmnode_self (d->node); 827 NG_NODE_UNREF (d->node); 828 d->node = NULL; 829 } 830 mtx_destroy (&d->queue.ifq_mtx); 831 mtx_destroy (&d->hi_queue.ifq_mtx); 832 #else 833 /* Detach from the packet filter list of interfaces. */ 834 bpfdetach (&d->pp.pp_if); 835 836 /* Detach from the sync PPP list. */ 837 sppp_detach (&d->pp.pp_if); 838 839 if_detach (&d->pp.pp_if); 840 IF_DRAIN (&d->queue); 841 mtx_destroy (&d->queue.ifq_mtx); 842 #endif 843 destroy_dev (d->devt); 844 } 845 846 CT_LOCK (bd); 847 ct_led_off (b); 848 CT_UNLOCK (bd); 849 callout_drain (&led_timo[b->num]); 850 splx (s); 851 852 s = splimp (); 853 for (c = b->chan; c < b->chan + NCHAN; ++c) { 854 drv_t *d = (drv_t*) c->sys; 855 856 if (!d || !d->chan->type) 857 continue; 858 859 /* Deallocate buffers. */ 860 ct_bus_dma_mem_free (&d->dmamem); 861 } 862 bd->board = 0; 863 adapter [b->num] = 0; 864 free (b, M_DEVBUF); 865 splx (s); 866 867 mtx_destroy (&bd->ct_mtx); 868 869 return 0; 870 } 871 872 #ifndef NETGRAPH 873 static void ct_ifstart (struct ifnet *ifp) 874 { 875 drv_t *d = ifp->if_softc; 876 bdrv_t *bd = d->bd; 877 878 CT_LOCK (bd); 879 ct_start (d); 880 CT_UNLOCK (bd); 881 } 882 883 static void ct_ifwatchdog (struct ifnet *ifp) 884 { 885 drv_t *d = ifp->if_softc; 886 887 ct_watchdog (d); 888 } 889 890 static void ct_tlf (struct sppp *sp) 891 { 892 drv_t *d = sp->pp_if.if_softc; 893 894 CT_DEBUG (d, ("ct_tlf\n")); 895 /* ct_set_dtr (d->chan, 0);*/ 896 /* ct_set_rts (d->chan, 0);*/ 897 if (!(d->pp.pp_flags & PP_FR) && !(d->pp.pp_if.if_flags & PP_CISCO)) 898 sp->pp_down (sp); 899 } 900 901 static void ct_tls (struct sppp *sp) 902 { 903 drv_t *d = sp->pp_if.if_softc; 904 905 CT_DEBUG (d, ("ct_tls\n")); 906 if (!(d->pp.pp_flags & PP_FR) && !(d->pp.pp_if.if_flags & PP_CISCO)) 907 sp->pp_up (sp); 908 } 909 910 /* 911 * Initialization of interface. 912 * Ii seems to be never called by upper level. 913 */ 914 static void ct_initialize (void *softc) 915 { 916 drv_t *d = softc; 917 918 CT_DEBUG (d, ("ct_initialize\n")); 919 } 920 921 /* 922 * Process an ioctl request. 923 */ 924 static int ct_sioctl (struct ifnet *ifp, u_long cmd, caddr_t data) 925 { 926 drv_t *d = ifp->if_softc; 927 bdrv_t *bd = d->bd; 928 int error, s, was_up, should_be_up; 929 930 was_up = (ifp->if_flags & IFF_RUNNING) != 0; 931 error = sppp_ioctl (ifp, cmd, data); 932 if (error) 933 return error; 934 935 if (! (ifp->if_flags & IFF_DEBUG)) 936 d->chan->debug = 0; 937 else if (! d->chan->debug) 938 d->chan->debug = 1; 939 940 switch (cmd) { 941 default: CT_DEBUG2 (d, ("ioctl 0x%lx\n", cmd)); return 0; 942 case SIOCADDMULTI: CT_DEBUG2 (d, ("SIOCADDMULTI\n")); return 0; 943 case SIOCDELMULTI: CT_DEBUG2 (d, ("SIOCDELMULTI\n")); return 0; 944 case SIOCSIFFLAGS: CT_DEBUG2 (d, ("SIOCSIFFLAGS\n")); break; 945 case SIOCSIFADDR: CT_DEBUG2 (d, ("SIOCSIFADDR\n")); break; 946 } 947 948 /* We get here only in case of SIFFLAGS or SIFADDR. */ 949 s = splimp (); 950 CT_LOCK (bd); 951 should_be_up = (ifp->if_flags & IFF_RUNNING) != 0; 952 if (! was_up && should_be_up) { 953 /* Interface goes up -- start it. */ 954 ct_up (d); 955 ct_start (d); 956 } else if (was_up && ! should_be_up) { 957 /* Interface is going down -- stop it. */ 958 /* if ((d->pp.pp_flags & PP_FR) || (ifp->if_flags & PP_CISCO))*/ 959 ct_down (d); 960 } 961 CT_UNLOCK (bd); 962 splx (s); 963 return 0; 964 } 965 #endif /*NETGRAPH*/ 966 967 /* 968 * Stop the interface. Called on splimp(). 969 */ 970 static void ct_down (drv_t *d) 971 { 972 int s = splimp (); 973 CT_DEBUG (d, ("ct_down\n")); 974 ct_set_dtr (d->chan, 0); 975 ct_set_rts (d->chan, 0); 976 d->running = 0; 977 splx (s); 978 } 979 980 /* 981 * Start the interface. Called on splimp(). 982 */ 983 static void ct_up (drv_t *d) 984 { 985 int s = splimp (); 986 CT_DEBUG (d, ("ct_up\n")); 987 ct_set_dtr (d->chan, 1); 988 ct_set_rts (d->chan, 1); 989 d->running = 1; 990 splx (s); 991 } 992 993 /* 994 * Start output on the (slave) interface. Get another datagram to send 995 * off of the interface queue, and copy it to the interface 996 * before starting the output. 997 */ 998 static void ct_send (drv_t *d) 999 { 1000 struct mbuf *m; 1001 u_short len; 1002 1003 CT_DEBUG2 (d, ("ct_send, tn=%d\n", d->chan->tn)); 1004 1005 /* No output if the interface is down. */ 1006 if (! d->running) 1007 return; 1008 1009 /* No output if the modem is off. */ 1010 if (! ct_get_dsr (d->chan) && !ct_get_loop (d->chan)) 1011 return; 1012 1013 while (ct_buf_free (d->chan)) { 1014 /* Get the packet to send. */ 1015 #ifdef NETGRAPH 1016 IF_DEQUEUE (&d->hi_queue, m); 1017 if (! m) 1018 IF_DEQUEUE (&d->queue, m); 1019 #else 1020 m = sppp_dequeue (&d->pp.pp_if); 1021 #endif 1022 if (! m) 1023 return; 1024 #ifndef NETGRAPH 1025 if (d->pp.pp_if.if_bpf) 1026 BPF_MTAP (&d->pp.pp_if, m); 1027 #endif 1028 len = m_length (m, NULL); 1029 if (! m->m_next) 1030 ct_send_packet (d->chan, (u_char*)mtod (m, caddr_t), 1031 len, 0); 1032 else { 1033 m_copydata (m, 0, len, d->chan->tbuf[d->chan->te]); 1034 ct_send_packet (d->chan, d->chan->tbuf[d->chan->te], 1035 len, 0); 1036 } 1037 m_freem (m); 1038 1039 /* Set up transmit timeout, if the transmit ring is not empty. 1040 * Transmit timeout is 10 seconds. */ 1041 #ifdef NETGRAPH 1042 d->timeout = 10; 1043 #else 1044 d->pp.pp_if.if_timer = 10; 1045 #endif 1046 } 1047 #ifndef NETGRAPH 1048 d->pp.pp_if.if_flags |= IFF_OACTIVE; 1049 #endif 1050 } 1051 1052 /* 1053 * Start output on the interface. 1054 * Always called on splimp(). 1055 */ 1056 static void ct_start (drv_t *d) 1057 { 1058 int s = splimp (); 1059 1060 if (d->running) { 1061 if (! d->chan->dtr) 1062 ct_set_dtr (d->chan, 1); 1063 if (! d->chan->rts) 1064 ct_set_rts (d->chan, 1); 1065 ct_send (d); 1066 } 1067 1068 splx (s); 1069 } 1070 1071 /* 1072 * Handle transmit timeouts. 1073 * Recover after lost transmit interrupts. 1074 * Always called on splimp(). 1075 */ 1076 static void ct_watchdog (drv_t *d) 1077 { 1078 bdrv_t *bd = d->bd; 1079 int s; 1080 1081 s = splimp (); 1082 CT_LOCK (bd); 1083 CT_DEBUG (d, ("device timeout\n")); 1084 if (d->running) { 1085 ct_setup_chan (d->chan); 1086 ct_start_chan (d->chan, 0, 0); 1087 ct_set_dtr (d->chan, 1); 1088 ct_set_rts (d->chan, 1); 1089 ct_start (d); 1090 } 1091 CT_UNLOCK (bd); 1092 splx (s); 1093 } 1094 1095 /* 1096 * Transmit callback function. 1097 */ 1098 static void ct_transmit (ct_chan_t *c, void *attachment, int len) 1099 { 1100 drv_t *d = c->sys; 1101 1102 if (!d) 1103 return; 1104 #ifdef NETGRAPH 1105 d->timeout = 0; 1106 #else 1107 ++d->pp.pp_if.if_opackets; 1108 d->pp.pp_if.if_flags &= ~IFF_OACTIVE; 1109 d->pp.pp_if.if_timer = 0; 1110 #endif 1111 ct_start (d); 1112 } 1113 1114 /* 1115 * Process the received packet. 1116 */ 1117 static void ct_receive (ct_chan_t *c, char *data, int len) 1118 { 1119 drv_t *d = c->sys; 1120 struct mbuf *m; 1121 #ifdef NETGRAPH 1122 int error; 1123 #endif 1124 1125 if (!d || !d->running) 1126 return; 1127 1128 m = makembuf (data, len); 1129 if (! m) { 1130 CT_DEBUG (d, ("no memory for packet\n")); 1131 #ifndef NETGRAPH 1132 ++d->pp.pp_if.if_iqdrops; 1133 #endif 1134 return; 1135 } 1136 if (c->debug > 1) 1137 printmbuf (m); 1138 #ifdef NETGRAPH 1139 m->m_pkthdr.rcvif = 0; 1140 NG_SEND_DATA_ONLY (error, d->hook, m); 1141 #else 1142 ++d->pp.pp_if.if_ipackets; 1143 m->m_pkthdr.rcvif = &d->pp.pp_if; 1144 /* Check if there's a BPF listener on this interface. 1145 * If so, hand off the raw packet to bpf. */ 1146 if (d->pp.pp_if.if_bpf) 1147 BPF_TAP (&d->pp.pp_if, data, len); 1148 IF_ENQUEUE (&d->queue, m); 1149 #endif 1150 } 1151 1152 /* 1153 * Error callback function. 1154 */ 1155 static void ct_error (ct_chan_t *c, int data) 1156 { 1157 drv_t *d = c->sys; 1158 1159 if (!d) 1160 return; 1161 1162 switch (data) { 1163 case CT_FRAME: 1164 CT_DEBUG (d, ("frame error\n")); 1165 #ifndef NETGRAPH 1166 ++d->pp.pp_if.if_ierrors; 1167 #endif 1168 break; 1169 case CT_CRC: 1170 CT_DEBUG (d, ("crc error\n")); 1171 #ifndef NETGRAPH 1172 ++d->pp.pp_if.if_ierrors; 1173 #endif 1174 break; 1175 case CT_OVERRUN: 1176 CT_DEBUG (d, ("overrun error\n")); 1177 #ifndef NETGRAPH 1178 ++d->pp.pp_if.if_collisions; 1179 ++d->pp.pp_if.if_ierrors; 1180 #endif 1181 break; 1182 case CT_OVERFLOW: 1183 CT_DEBUG (d, ("overflow error\n")); 1184 #ifndef NETGRAPH 1185 ++d->pp.pp_if.if_ierrors; 1186 #endif 1187 break; 1188 case CT_UNDERRUN: 1189 CT_DEBUG (d, ("underrun error\n")); 1190 #ifdef NETGRAPH 1191 d->timeout = 0; 1192 #else 1193 ++d->pp.pp_if.if_oerrors; 1194 d->pp.pp_if.if_flags &= ~IFF_OACTIVE; 1195 d->pp.pp_if.if_timer = 0; 1196 #endif 1197 ct_start (d); 1198 break; 1199 default: 1200 CT_DEBUG (d, ("error #%d\n", data)); 1201 } 1202 } 1203 1204 static int ct_open (struct cdev *dev, int oflags, int devtype, struct thread *td) 1205 { 1206 drv_t *d; 1207 1208 if (minor(dev) >= NCTAU*NCHAN || ! (d = channel[minor(dev)])) 1209 return ENXIO; 1210 1211 CT_DEBUG2 (d, ("ct_open\n")); 1212 return 0; 1213 } 1214 1215 static int ct_close (struct cdev *dev, int fflag, int devtype, struct thread *td) 1216 { 1217 drv_t *d = channel [minor(dev)]; 1218 1219 if (!d) 1220 return 0; 1221 1222 CT_DEBUG2 (d, ("ct_close\n")); 1223 return 0; 1224 } 1225 1226 static int ct_modem_status (ct_chan_t *c) 1227 { 1228 drv_t *d = c->sys; 1229 bdrv_t *bd; 1230 int status, s; 1231 1232 if (!d) 1233 return 0; 1234 1235 bd = d->bd; 1236 1237 status = d->running ? TIOCM_LE : 0; 1238 s = splimp (); 1239 CT_LOCK (bd); 1240 if (ct_get_cd (c)) status |= TIOCM_CD; 1241 if (ct_get_cts (c)) status |= TIOCM_CTS; 1242 if (ct_get_dsr (c)) status |= TIOCM_DSR; 1243 if (c->dtr) status |= TIOCM_DTR; 1244 if (c->rts) status |= TIOCM_RTS; 1245 CT_UNLOCK (bd); 1246 splx (s); 1247 return status; 1248 } 1249 1250 /* 1251 * Process an ioctl request on /dev/cronyx/ctauN. 1252 */ 1253 static int ct_ioctl (struct cdev *dev, u_long cmd, caddr_t data, int flag, struct thread *td) 1254 { 1255 drv_t *d = channel [minor (dev)]; 1256 bdrv_t *bd; 1257 ct_chan_t *c; 1258 struct serial_statistics *st; 1259 struct e1_statistics *opte1; 1260 int error, s; 1261 char mask[16]; 1262 1263 if (!d || !d->chan) 1264 return 0; 1265 1266 bd = d->bd; 1267 c = d->chan; 1268 1269 switch (cmd) { 1270 case SERIAL_GETREGISTERED: 1271 bzero (mask, sizeof(mask)); 1272 for (s=0; s<NCTAU*NCHAN; ++s) 1273 if (channel [s]) 1274 mask [s/8] |= 1 << (s & 7); 1275 bcopy (mask, data, sizeof (mask)); 1276 return 0; 1277 1278 #ifndef NETGRAPH 1279 case SERIAL_GETPROTO: 1280 strcpy ((char*)data, (d->pp.pp_flags & PP_FR) ? "fr" : 1281 (d->pp.pp_if.if_flags & PP_CISCO) ? "cisco" : "ppp"); 1282 return 0; 1283 1284 case SERIAL_SETPROTO: 1285 /* Only for superuser! */ 1286 error = suser (td); 1287 if (error) 1288 return error; 1289 if (d->pp.pp_if.if_flags & IFF_RUNNING) 1290 return EBUSY; 1291 if (! strcmp ("cisco", (char*)data)) { 1292 d->pp.pp_flags &= ~(PP_FR); 1293 d->pp.pp_flags |= PP_KEEPALIVE; 1294 d->pp.pp_if.if_flags |= PP_CISCO; 1295 } else if (! strcmp ("fr", (char*)data)) { 1296 d->pp.pp_if.if_flags &= ~(PP_CISCO); 1297 d->pp.pp_flags |= PP_FR | PP_KEEPALIVE; 1298 } else if (! strcmp ("ppp", (char*)data)) { 1299 d->pp.pp_flags &= ~(PP_FR | PP_KEEPALIVE); 1300 d->pp.pp_if.if_flags &= ~(PP_CISCO); 1301 } else 1302 return EINVAL; 1303 return 0; 1304 1305 case SERIAL_GETKEEPALIVE: 1306 if ((d->pp.pp_flags & PP_FR) || 1307 (d->pp.pp_if.if_flags & PP_CISCO)) 1308 return EINVAL; 1309 *(int*)data = (d->pp.pp_flags & PP_KEEPALIVE) ? 1 : 0; 1310 return 0; 1311 1312 case SERIAL_SETKEEPALIVE: 1313 /* Only for superuser! */ 1314 error = suser (td); 1315 if (error) 1316 return error; 1317 if ((d->pp.pp_flags & PP_FR) || 1318 (d->pp.pp_if.if_flags & PP_CISCO)) 1319 return EINVAL; 1320 if (*(int*)data) 1321 d->pp.pp_flags |= PP_KEEPALIVE; 1322 else 1323 d->pp.pp_flags &= ~PP_KEEPALIVE; 1324 return 0; 1325 #endif /*NETGRAPH*/ 1326 1327 case SERIAL_GETMODE: 1328 *(int*)data = SERIAL_HDLC; 1329 return 0; 1330 1331 case SERIAL_GETCFG: 1332 if (c->mode == M_HDLC) 1333 return EINVAL; 1334 switch (ct_get_config (c->board)) { 1335 default: *(char*)data = 'a'; break; 1336 case CFG_B: *(char*)data = 'b'; break; 1337 case CFG_C: *(char*)data = 'c'; break; 1338 } 1339 return 0; 1340 1341 case SERIAL_SETCFG: 1342 /* Only for superuser! */ 1343 error = suser (td); 1344 if (error) 1345 return error; 1346 if (c->mode == M_HDLC) 1347 return EINVAL; 1348 s = splimp (); 1349 CT_LOCK (bd); 1350 switch (*(char*)data) { 1351 case 'a': ct_set_config (c->board, CFG_A); break; 1352 case 'b': ct_set_config (c->board, CFG_B); break; 1353 case 'c': ct_set_config (c->board, CFG_C); break; 1354 } 1355 CT_UNLOCK (bd); 1356 splx (s); 1357 return 0; 1358 1359 case SERIAL_GETSTAT: 1360 st = (struct serial_statistics*) data; 1361 st->rintr = c->rintr; 1362 st->tintr = c->tintr; 1363 st->mintr = c->mintr; 1364 st->ibytes = c->ibytes; 1365 st->ipkts = c->ipkts; 1366 st->ierrs = c->ierrs; 1367 st->obytes = c->obytes; 1368 st->opkts = c->opkts; 1369 st->oerrs = c->oerrs; 1370 return 0; 1371 1372 case SERIAL_GETESTAT: 1373 opte1 = (struct e1_statistics*)data; 1374 opte1->status = c->status; 1375 opte1->cursec = c->cursec; 1376 opte1->totsec = c->totsec + c->cursec; 1377 1378 opte1->currnt.bpv = c->currnt.bpv; 1379 opte1->currnt.fse = c->currnt.fse; 1380 opte1->currnt.crce = c->currnt.crce; 1381 opte1->currnt.rcrce = c->currnt.rcrce; 1382 opte1->currnt.uas = c->currnt.uas; 1383 opte1->currnt.les = c->currnt.les; 1384 opte1->currnt.es = c->currnt.es; 1385 opte1->currnt.bes = c->currnt.bes; 1386 opte1->currnt.ses = c->currnt.ses; 1387 opte1->currnt.oofs = c->currnt.oofs; 1388 opte1->currnt.css = c->currnt.css; 1389 opte1->currnt.dm = c->currnt.dm; 1390 1391 opte1->total.bpv = c->total.bpv + c->currnt.bpv; 1392 opte1->total.fse = c->total.fse + c->currnt.fse; 1393 opte1->total.crce = c->total.crce + c->currnt.crce; 1394 opte1->total.rcrce = c->total.rcrce + c->currnt.rcrce; 1395 opte1->total.uas = c->total.uas + c->currnt.uas; 1396 opte1->total.les = c->total.les + c->currnt.les; 1397 opte1->total.es = c->total.es + c->currnt.es; 1398 opte1->total.bes = c->total.bes + c->currnt.bes; 1399 opte1->total.ses = c->total.ses + c->currnt.ses; 1400 opte1->total.oofs = c->total.oofs + c->currnt.oofs; 1401 opte1->total.css = c->total.css + c->currnt.css; 1402 opte1->total.dm = c->total.dm + c->currnt.dm; 1403 for (s=0; s<48; ++s) { 1404 opte1->interval[s].bpv = c->interval[s].bpv; 1405 opte1->interval[s].fse = c->interval[s].fse; 1406 opte1->interval[s].crce = c->interval[s].crce; 1407 opte1->interval[s].rcrce = c->interval[s].rcrce; 1408 opte1->interval[s].uas = c->interval[s].uas; 1409 opte1->interval[s].les = c->interval[s].les; 1410 opte1->interval[s].es = c->interval[s].es; 1411 opte1->interval[s].bes = c->interval[s].bes; 1412 opte1->interval[s].ses = c->interval[s].ses; 1413 opte1->interval[s].oofs = c->interval[s].oofs; 1414 opte1->interval[s].css = c->interval[s].css; 1415 opte1->interval[s].dm = c->interval[s].dm; 1416 } 1417 return 0; 1418 1419 case SERIAL_CLRSTAT: 1420 /* Only for superuser! */ 1421 error = suser (td); 1422 if (error) 1423 return error; 1424 c->rintr = 0; 1425 c->tintr = 0; 1426 c->mintr = 0; 1427 c->ibytes = 0; 1428 c->ipkts = 0; 1429 c->ierrs = 0; 1430 c->obytes = 0; 1431 c->opkts = 0; 1432 c->oerrs = 0; 1433 bzero (&c->currnt, sizeof (c->currnt)); 1434 bzero (&c->total, sizeof (c->total)); 1435 bzero (c->interval, sizeof (c->interval)); 1436 return 0; 1437 1438 case SERIAL_GETBAUD: 1439 *(long*)data = ct_get_baud(c); 1440 return 0; 1441 1442 case SERIAL_SETBAUD: 1443 /* Only for superuser! */ 1444 error = suser (td); 1445 if (error) 1446 return error; 1447 s = splimp (); 1448 CT_LOCK (bd); 1449 ct_set_baud (c, *(long*)data); 1450 CT_UNLOCK (bd); 1451 splx (s); 1452 return 0; 1453 1454 case SERIAL_GETLOOP: 1455 *(int*)data = ct_get_loop (c); 1456 return 0; 1457 1458 case SERIAL_SETLOOP: 1459 /* Only for superuser! */ 1460 error = suser (td); 1461 if (error) 1462 return error; 1463 s = splimp (); 1464 CT_LOCK (bd); 1465 ct_set_loop (c, *(int*)data); 1466 CT_UNLOCK (bd); 1467 splx (s); 1468 return 0; 1469 1470 case SERIAL_GETDPLL: 1471 if (c->mode == M_E1 || c->mode == M_G703) 1472 return EINVAL; 1473 *(int*)data = ct_get_dpll (c); 1474 return 0; 1475 1476 case SERIAL_SETDPLL: 1477 /* Only for superuser! */ 1478 error = suser (td); 1479 if (error) 1480 return error; 1481 if (c->mode == M_E1 || c->mode == M_G703) 1482 return EINVAL; 1483 s = splimp (); 1484 CT_LOCK (bd); 1485 ct_set_dpll (c, *(int*)data); 1486 CT_UNLOCK (bd); 1487 splx (s); 1488 return 0; 1489 1490 case SERIAL_GETNRZI: 1491 if (c->mode == M_E1 || c->mode == M_G703) 1492 return EINVAL; 1493 *(int*)data = ct_get_nrzi (c); 1494 return 0; 1495 1496 case SERIAL_SETNRZI: 1497 /* Only for superuser! */ 1498 error = suser (td); 1499 if (error) 1500 return error; 1501 if (c->mode == M_E1 || c->mode == M_G703) 1502 return EINVAL; 1503 s = splimp (); 1504 CT_LOCK (bd); 1505 ct_set_nrzi (c, *(int*)data); 1506 CT_UNLOCK (bd); 1507 splx (s); 1508 return 0; 1509 1510 case SERIAL_GETDEBUG: 1511 *(int*)data = c->debug; 1512 return 0; 1513 1514 case SERIAL_SETDEBUG: 1515 /* Only for superuser! */ 1516 error = suser (td); 1517 if (error) 1518 return error; 1519 c->debug = *(int*)data; 1520 #ifndef NETGRAPH 1521 if (d->chan->debug) 1522 d->pp.pp_if.if_flags |= IFF_DEBUG; 1523 else 1524 d->pp.pp_if.if_flags &= (~IFF_DEBUG); 1525 #endif 1526 return 0; 1527 1528 case SERIAL_GETHIGAIN: 1529 if (c->mode != M_E1) 1530 return EINVAL; 1531 *(int*)data = ct_get_higain (c); 1532 return 0; 1533 1534 case SERIAL_SETHIGAIN: 1535 /* Only for superuser! */ 1536 error = suser (td); 1537 if (error) 1538 return error; 1539 s = splimp (); 1540 CT_LOCK (bd); 1541 ct_set_higain (c, *(int*)data); 1542 CT_UNLOCK (bd); 1543 splx (s); 1544 return 0; 1545 1546 case SERIAL_GETPHONY: 1547 CT_DEBUG2 (d, ("ioctl: getphony\n")); 1548 if (c->mode != M_E1) 1549 return EINVAL; 1550 *(int*)data = c->gopt.phony; 1551 return 0; 1552 1553 case SERIAL_SETPHONY: 1554 CT_DEBUG2 (d, ("ioctl: setphony\n")); 1555 if (c->mode != M_E1) 1556 return EINVAL; 1557 /* Only for superuser! */ 1558 error = suser (td); 1559 if (error) 1560 return error; 1561 s = splimp (); 1562 CT_LOCK (bd); 1563 ct_set_phony (c, *(int*)data); 1564 CT_UNLOCK (bd); 1565 splx (s); 1566 return 0; 1567 1568 case SERIAL_GETCLK: 1569 if (c->mode != M_E1 && c->mode != M_G703) 1570 return EINVAL; 1571 switch (ct_get_clk(c)) { 1572 default: *(int*)data = E1CLK_INTERNAL; break; 1573 case GCLK_RCV: *(int*)data = E1CLK_RECEIVE; break; 1574 case GCLK_RCLKO: *(int*)data = c->num ? 1575 E1CLK_RECEIVE_CHAN0 : E1CLK_RECEIVE_CHAN1; break; 1576 } 1577 return 0; 1578 1579 case SERIAL_SETCLK: 1580 /* Only for superuser! */ 1581 error = suser (td); 1582 if (error) 1583 return error; 1584 s = splimp (); 1585 CT_LOCK (bd); 1586 switch (*(int*)data) { 1587 default: ct_set_clk (c, GCLK_INT); break; 1588 case E1CLK_RECEIVE: ct_set_clk (c, GCLK_RCV); break; 1589 case E1CLK_RECEIVE_CHAN0: 1590 case E1CLK_RECEIVE_CHAN1: 1591 ct_set_clk (c, GCLK_RCLKO); break; 1592 } 1593 CT_UNLOCK (bd); 1594 splx (s); 1595 return 0; 1596 1597 case SERIAL_GETTIMESLOTS: 1598 if (c->mode != M_E1) 1599 return EINVAL; 1600 *(long*)data = ct_get_ts (c); 1601 return 0; 1602 1603 case SERIAL_SETTIMESLOTS: 1604 /* Only for superuser! */ 1605 error = suser (td); 1606 if (error) 1607 return error; 1608 s = splimp (); 1609 CT_LOCK (bd); 1610 ct_set_ts (c, *(long*)data); 1611 CT_UNLOCK (bd); 1612 splx (s); 1613 return 0; 1614 1615 case SERIAL_GETSUBCHAN: 1616 if (c->mode != M_E1) 1617 return EINVAL; 1618 *(long*)data = ct_get_subchan (c->board); 1619 return 0; 1620 1621 case SERIAL_SETSUBCHAN: 1622 /* Only for superuser! */ 1623 error = suser (td); 1624 if (error) 1625 return error; 1626 s = splimp (); 1627 CT_LOCK (bd); 1628 ct_set_subchan (c->board, *(long*)data); 1629 CT_UNLOCK (bd); 1630 splx (s); 1631 return 0; 1632 1633 case SERIAL_GETINVCLK: 1634 case SERIAL_GETINVTCLK: 1635 if (c->mode == M_E1 || c->mode == M_G703) 1636 return EINVAL; 1637 *(int*)data = ct_get_invtxc (c); 1638 return 0; 1639 1640 case SERIAL_GETINVRCLK: 1641 if (c->mode == M_E1 || c->mode == M_G703) 1642 return EINVAL; 1643 *(int*)data = ct_get_invrxc (c); 1644 return 0; 1645 1646 case SERIAL_SETINVCLK: 1647 case SERIAL_SETINVTCLK: 1648 /* Only for superuser! */ 1649 error = suser (td); 1650 if (error) 1651 return error; 1652 if (c->mode == M_E1 || c->mode == M_G703) 1653 return EINVAL; 1654 s = splimp (); 1655 CT_LOCK (bd); 1656 ct_set_invtxc (c, *(int*)data); 1657 CT_UNLOCK (bd); 1658 splx (s); 1659 return 0; 1660 1661 case SERIAL_SETINVRCLK: 1662 /* Only for superuser! */ 1663 error = suser (td); 1664 if (error) 1665 return error; 1666 if (c->mode == M_E1 || c->mode == M_G703) 1667 return EINVAL; 1668 s = splimp (); 1669 CT_LOCK (bd); 1670 ct_set_invrxc (c, *(int*)data); 1671 CT_UNLOCK (bd); 1672 splx (s); 1673 return 0; 1674 1675 case SERIAL_GETLEVEL: 1676 if (c->mode != M_G703) 1677 return EINVAL; 1678 s = splimp (); 1679 CT_LOCK (bd); 1680 *(int*)data = ct_get_lq (c); 1681 CT_UNLOCK (bd); 1682 splx (s); 1683 return 0; 1684 1685 case TIOCSDTR: /* Set DTR */ 1686 s = splimp (); 1687 CT_LOCK (bd); 1688 ct_set_dtr (c, 1); 1689 CT_UNLOCK (bd); 1690 splx (s); 1691 return 0; 1692 1693 case TIOCCDTR: /* Clear DTR */ 1694 s = splimp (); 1695 CT_LOCK (bd); 1696 ct_set_dtr (c, 0); 1697 CT_UNLOCK (bd); 1698 splx (s); 1699 return 0; 1700 1701 case TIOCMSET: /* Set DTR/RTS */ 1702 s = splimp (); 1703 CT_LOCK (bd); 1704 ct_set_dtr (c, (*(int*)data & TIOCM_DTR) ? 1 : 0); 1705 ct_set_rts (c, (*(int*)data & TIOCM_RTS) ? 1 : 0); 1706 CT_UNLOCK (bd); 1707 splx (s); 1708 return 0; 1709 1710 case TIOCMBIS: /* Add DTR/RTS */ 1711 s = splimp (); 1712 CT_LOCK (bd); 1713 if (*(int*)data & TIOCM_DTR) ct_set_dtr (c, 1); 1714 if (*(int*)data & TIOCM_RTS) ct_set_rts (c, 1); 1715 CT_UNLOCK (bd); 1716 splx (s); 1717 return 0; 1718 1719 case TIOCMBIC: /* Clear DTR/RTS */ 1720 s = splimp (); 1721 CT_LOCK (bd); 1722 if (*(int*)data & TIOCM_DTR) ct_set_dtr (c, 0); 1723 if (*(int*)data & TIOCM_RTS) ct_set_rts (c, 0); 1724 CT_UNLOCK (bd); 1725 splx (s); 1726 return 0; 1727 1728 case TIOCMGET: /* Get modem status */ 1729 *(int*)data = ct_modem_status (c); 1730 return 0; 1731 } 1732 return ENOTTY; 1733 } 1734 1735 static struct cdevsw ct_cdevsw = { 1736 .d_version = D_VERSION, 1737 .d_open = ct_open, 1738 .d_close = ct_close, 1739 .d_ioctl = ct_ioctl, 1740 .d_name = "ct", 1741 .d_maj = CDEV_MAJOR, 1742 .d_flags = D_NEEDGIANT, 1743 }; 1744 1745 #ifdef NETGRAPH 1746 static int ng_ct_constructor (node_p node) 1747 { 1748 drv_t *d = NG_NODE_PRIVATE (node); 1749 CT_DEBUG (d, ("Constructor\n")); 1750 return EINVAL; 1751 } 1752 1753 static int ng_ct_newhook (node_p node, hook_p hook, const char *name) 1754 { 1755 int s; 1756 drv_t *d = NG_NODE_PRIVATE (node); 1757 1758 if (!d) 1759 return EINVAL; 1760 1761 bdrv_t *bd = d->bd; 1762 1763 /* Attach debug hook */ 1764 if (strcmp (name, NG_CT_HOOK_DEBUG) == 0) { 1765 NG_HOOK_SET_PRIVATE (hook, NULL); 1766 d->debug_hook = hook; 1767 return 0; 1768 } 1769 1770 /* Check for raw hook */ 1771 if (strcmp (name, NG_CT_HOOK_RAW) != 0) 1772 return EINVAL; 1773 1774 NG_HOOK_SET_PRIVATE (hook, d); 1775 d->hook = hook; 1776 s = splimp (); 1777 CT_LOCK (bd); 1778 ct_up (d); 1779 CT_UNLOCK (bd); 1780 splx (s); 1781 return 0; 1782 } 1783 1784 static char *format_timeslots (u_long s) 1785 { 1786 static char buf [100]; 1787 char *p = buf; 1788 int i; 1789 1790 for (i=1; i<32; ++i) 1791 if ((s >> i) & 1) { 1792 int prev = (i > 1) & (s >> (i-1)); 1793 int next = (i < 31) & (s >> (i+1)); 1794 1795 if (prev) { 1796 if (next) 1797 continue; 1798 *p++ = '-'; 1799 } else if (p > buf) 1800 *p++ = ','; 1801 1802 if (i >= 10) 1803 *p++ = '' + i / 10; 1804 *p++ = '' + i % 10; 1805 } 1806 *p = 0; 1807 return buf; 1808 } 1809 1810 static int print_modems (char *s, ct_chan_t *c, int need_header) 1811 { 1812 int status = ct_modem_status (c); 1813 int length = 0; 1814 1815 if (need_header) 1816 length += sprintf (s + length, " LE DTR DSR RTS CTS CD\n"); 1817 length += sprintf (s + length, "%4s %4s %4s %4s %4s %4s\n", 1818 status & TIOCM_LE ? "On" : "-", 1819 status & TIOCM_DTR ? "On" : "-", 1820 status & TIOCM_DSR ? "On" : "-", 1821 status & TIOCM_RTS ? "On" : "-", 1822 status & TIOCM_CTS ? "On" : "-", 1823 status & TIOCM_CD ? "On" : "-"); 1824 return length; 1825 } 1826 1827 static int print_stats (char *s, ct_chan_t *c, int need_header) 1828 { 1829 struct serial_statistics st; 1830 int length = 0; 1831 1832 st.rintr = c->rintr; 1833 st.tintr = c->tintr; 1834 st.mintr = c->mintr; 1835 st.ibytes = c->ibytes; 1836 st.ipkts = c->ipkts; 1837 st.ierrs = c->ierrs; 1838 st.obytes = c->obytes; 1839 st.opkts = c->opkts; 1840 st.oerrs = c->oerrs; 1841 if (need_header) 1842 length += sprintf (s + length, " Rintr Tintr Mintr Ibytes Ipkts Ierrs Obytes Opkts Oerrs\n"); 1843 length += sprintf (s + length, "%7ld %7ld %7ld %8ld %7ld %7ld %8ld %7ld %7ld\n", 1844 st.rintr, st.tintr, st.mintr, st.ibytes, st.ipkts, 1845 st.ierrs, st.obytes, st.opkts, st.oerrs); 1846 return length; 1847 } 1848 1849 static char *format_e1_status (u_char status) 1850 { 1851 static char buf [80]; 1852 1853 if (status & E1_NOALARM) 1854 return "Ok"; 1855 buf[0] = 0; 1856 if (status & E1_LOS) strcat (buf, ",LOS"); 1857 if (status & E1_AIS) strcat (buf, ",AIS"); 1858 if (status & E1_LOF) strcat (buf, ",LOF"); 1859 if (status & E1_LOMF) strcat (buf, ",LOMF"); 1860 if (status & E1_FARLOF) strcat (buf, ",FARLOF"); 1861 if (status & E1_AIS16) strcat (buf, ",AIS16"); 1862 if (status & E1_FARLOMF) strcat (buf, ",FARLOMF"); 1863 if (status & E1_TSTREQ) strcat (buf, ",TSTREQ"); 1864 if (status & E1_TSTERR) strcat (buf, ",TSTERR"); 1865 if (buf[0] == ',') 1866 return buf+1; 1867 return "Unknown"; 1868 } 1869 1870 static int print_frac (char *s, int leftalign, u_long numerator, u_long divider) 1871 { 1872 int n, length = 0; 1873 1874 if (numerator < 1 || divider < 1) { 1875 length += sprintf (s+length, leftalign ? "/- " : " -"); 1876 return length; 1877 } 1878 n = (int) (0.5 + 1000.0 * numerator / divider); 1879 if (n < 1000) { 1880 length += sprintf (s+length, leftalign ? "/.%-3d" : " .%03d", n); 1881 return length; 1882 } 1883 *(s + length) = leftalign ? '/' : ' '; 1884 length ++; 1885 1886 if (n >= 1000000) n = (n+500) / 1000 * 1000; 1887 else if (n >= 100000) n = (n+50) / 100 * 100; 1888 else if (n >= 10000) n = (n+5) / 10 * 10; 1889 1890 switch (n) { 1891 case 1000: length += printf (s+length, ".999"); return length; 1892 case 10000: n = 9990; break; 1893 case 100000: n = 99900; break; 1894 case 1000000: n = 999000; break; 1895 } 1896 if (n < 10000) length += sprintf (s+length, "%d.%d", n/1000, n/10%100); 1897 else if (n < 100000) length += sprintf (s+length, "%d.%d", n/1000, n/100%10); 1898 else if (n < 1000000) length += sprintf (s+length, "%d.", n/1000); 1899 else length += sprintf (s+length, "%d", n/1000); 1900 1901 return length; 1902 } 1903 1904 static int print_e1_stats (char *s, ct_chan_t *c) 1905 { 1906 struct e1_counters total; 1907 u_long totsec; 1908 int length = 0; 1909 1910 totsec = c->totsec + c->cursec; 1911 total.bpv = c->total.bpv + c->currnt.bpv; 1912 total.fse = c->total.fse + c->currnt.fse; 1913 total.crce = c->total.crce + c->currnt.crce; 1914 total.rcrce = c->total.rcrce + c->currnt.rcrce; 1915 total.uas = c->total.uas + c->currnt.uas; 1916 total.les = c->total.les + c->currnt.les; 1917 total.es = c->total.es + c->currnt.es; 1918 total.bes = c->total.bes + c->currnt.bes; 1919 total.ses = c->total.ses + c->currnt.ses; 1920 total.oofs = c->total.oofs + c->currnt.oofs; 1921 total.css = c->total.css + c->currnt.css; 1922 total.dm = c->total.dm + c->currnt.dm; 1923 1924 length += sprintf (s + length, " Unav/Degr Bpv/Fsyn CRC/RCRC Err/Lerr Sev/Bur Oof/Slp Status\n"); 1925 1926 /* Unavailable seconds, degraded minutes */ 1927 length += print_frac (s + length, 0, c->currnt.uas, c->cursec); 1928 length += print_frac (s + length, 1, 60 * c->currnt.dm, c->cursec); 1929 1930 /* Bipolar violations, frame sync errors */ 1931 length += print_frac (s + length, 0, c->currnt.bpv, c->cursec); 1932 length += print_frac (s + length, 1, c->currnt.fse, c->cursec); 1933 1934 /* CRC errors, remote CRC errors (E-bit) */ 1935 length += print_frac (s + length, 0, c->currnt.crce, c->cursec); 1936 length += print_frac (s + length, 1, c->currnt.rcrce, c->cursec); 1937 1938 /* Errored seconds, line errored seconds */ 1939 length += print_frac (s + length, 0, c->currnt.es, c->cursec); 1940 length += print_frac (s + length, 1, c->currnt.les, c->cursec); 1941 1942 /* Severely errored seconds, burst errored seconds */ 1943 length += print_frac (s + length, 0, c->currnt.ses, c->cursec); 1944 length += print_frac (s + length, 1, c->currnt.bes, c->cursec); 1945 1946 /* Out of frame seconds, controlled slip seconds */ 1947 length += print_frac (s + length, 0, c->currnt.oofs, c->cursec); 1948 length += print_frac (s + length, 1, c->currnt.css, c->cursec); 1949 1950 length += sprintf (s + length, " %s\n", format_e1_status (c->status)); 1951 1952 /* Print total statistics. */ 1953 length += print_frac (s + length, 0, total.uas, totsec); 1954 length += print_frac (s + length, 1, 60 * total.dm, totsec); 1955 1956 length += print_frac (s + length, 0, total.bpv, totsec); 1957 length += print_frac (s + length, 1, total.fse, totsec); 1958 1959 length += print_frac (s + length, 0, total.crce, totsec); 1960 length += print_frac (s + length, 1, total.rcrce, totsec); 1961 1962 length += print_frac (s + length, 0, total.es, totsec); 1963 length += print_frac (s + length, 1, total.les, totsec); 1964 1965 length += print_frac (s + length, 0, total.ses, totsec); 1966 length += print_frac (s + length, 1, total.bes, totsec); 1967 1968 length += print_frac (s + length, 0, total.oofs, totsec); 1969 length += print_frac (s + length, 1, total.css, totsec); 1970 1971 length += sprintf (s + length, " -- Total\n"); 1972 return length; 1973 } 1974 1975 static int print_chan (char *s, ct_chan_t *c) 1976 { 1977 drv_t *d = c->sys; 1978 bdrv_t *bd = d->bd; 1979 int length = 0; 1980 1981 length += sprintf (s + length, "ct%d", c->board->num * NCHAN + c->num); 1982 if (d->chan->debug) 1983 length += sprintf (s + length, " debug=%d", d->chan->debug); 1984 1985 switch (ct_get_config (c->board)) { 1986 case CFG_A: length += sprintf (s + length, " cfg=A"); break; 1987 case CFG_B: length += sprintf (s + length, " cfg=B"); break; 1988 case CFG_C: length += sprintf (s + length, " cfg=C"); break; 1989 default: length += sprintf (s + length, " cfg=unknown"); break; 1990 } 1991 1992 if (ct_get_baud (c)) 1993 length += sprintf (s + length, " %ld", ct_get_baud (c)); 1994 else 1995 length += sprintf (s + length, " extclock"); 1996 1997 if (c->mode == M_E1 || c->mode == M_G703) 1998 switch (ct_get_clk(c)) { 1999 case GCLK_INT : length += sprintf (s + length, " syn=int"); break; 2000 case GCLK_RCV : length += sprintf (s + length, " syn=rcv"); break; 2001 case GCLK_RCLKO : length += sprintf (s + length, " syn=xrcv"); break; 2002 } 2003 if (c->mode == M_HDLC) { 2004 length += sprintf (s + length, " dpll=%s", ct_get_dpll (c) ? "on" : "off"); 2005 length += sprintf (s + length, " nrzi=%s", ct_get_nrzi (c) ? "on" : "off"); 2006 length += sprintf (s + length, " invtclk=%s", ct_get_invtxc (c) ? "on" : "off"); 2007 length += sprintf (s + length, " invrclk=%s", ct_get_invrxc (c) ? "on" : "off"); 2008 } 2009 if (c->mode == M_E1) 2010 length += sprintf (s + length, " higain=%s", ct_get_higain (c)? "on" : "off"); 2011 2012 length += sprintf (s + length, " loop=%s", ct_get_loop (c) ? "on" : "off"); 2013 2014 if (c->mode == M_E1) 2015 length += sprintf (s + length, " ts=%s", format_timeslots (ct_get_ts(c))); 2016 if (c->mode == M_E1 && ct_get_config (c->board) != CFG_A) 2017 length += sprintf (s + length, " pass=%s", format_timeslots (ct_get_subchan(c->board))); 2018 if (c->mode == M_G703) { 2019 int lq, x; 2020 2021 x = splimp (); 2022 CT_LOCK (bd); 2023 lq = ct_get_lq (c); 2024 CT_UNLOCK (bd); 2025 splx (x); 2026 length += sprintf (s + length, " (level=-%.1fdB)", lq / 10.0); 2027 } 2028 length += sprintf (s + length, "\n"); 2029 return length; 2030 } 2031 2032 static int ng_ct_rcvmsg (node_p node, item_p item, hook_p lasthook) 2033 { 2034 drv_t *d = NG_NODE_PRIVATE (node); 2035 struct ng_mesg *msg; 2036 struct ng_mesg *resp = NULL; 2037 int error = 0; 2038 2039 if (!d) 2040 return EINVAL; 2041 2042 CT_DEBUG (d, ("Rcvmsg\n")); 2043 NGI_GET_MSG (item, msg); 2044 switch (msg->header.typecookie) { 2045 default: 2046 error = EINVAL; 2047 break; 2048 2049 case NGM_CT_COOKIE: 2050 printf ("Don't forget to implement\n"); 2051 error = EINVAL; 2052 break; 2053 2054 case NGM_GENERIC_COOKIE: 2055 switch (msg->header.cmd) { 2056 default: 2057 error = EINVAL; 2058 break; 2059 2060 case NGM_TEXT_STATUS: { 2061 char *s; 2062 int l = 0; 2063 int dl = sizeof (struct ng_mesg) + 730; 2064 2065 NG_MKRESPONSE (resp, msg, dl, M_NOWAIT); 2066 if (! resp) { 2067 error = ENOMEM; 2068 break; 2069 } 2070 s = (resp)->data; 2071 l += print_chan (s + l, d->chan); 2072 l += print_stats (s + l, d->chan, 1); 2073 l += print_modems (s + l, d->chan, 1); 2074 l += print_e1_stats (s + l, d->chan); 2075 strncpy ((resp)->header.cmdstr, "status", NG_CMDSTRLEN); 2076 } 2077 break; 2078 } 2079 break; 2080 } 2081 NG_RESPOND_MSG (error, node, item, resp); 2082 NG_FREE_MSG (msg); 2083 return error; 2084 } 2085 2086 static int ng_ct_rcvdata (hook_p hook, item_p item) 2087 { 2088 drv_t *d = NG_NODE_PRIVATE (NG_HOOK_NODE(hook)); 2089 struct mbuf *m; 2090 struct ng_tag_prio *ptag; 2091 bdrv_t *bd; 2092 struct ifqueue *q; 2093 int s; 2094 2095 if (!d) 2096 return ENETDOWN; 2097 2098 bd = d->bd; 2099 NGI_GET_M (item, m); 2100 NG_FREE_ITEM (item); 2101 if (! NG_HOOK_PRIVATE (hook) || ! d) { 2102 NG_FREE_M (m); 2103 return ENETDOWN; 2104 } 2105 2106 /* Check for high priority data */ 2107 if ((ptag = (struct ng_tag_prio *)m_tag_locate(m, NGM_GENERIC_COOKIE, 2108 NG_TAG_PRIO, NULL)) != NULL && (ptag->priority > NG_PRIO_CUTOFF) ) 2109 q = &d->hi_queue; 2110 else 2111 q = &d->queue; 2112 2113 s = splimp (); 2114 CT_LOCK (bd); 2115 IF_LOCK (q); 2116 if (_IF_QFULL (q)) { 2117 _IF_DROP (q); 2118 IF_UNLOCK (q); 2119 CT_UNLOCK (bd); 2120 splx (s); 2121 NG_FREE_M (m); 2122 return ENOBUFS; 2123 } 2124 _IF_ENQUEUE (q, m); 2125 IF_UNLOCK (q); 2126 ct_start (d); 2127 CT_UNLOCK (bd); 2128 splx (s); 2129 return 0; 2130 } 2131 2132 static int ng_ct_rmnode (node_p node) 2133 { 2134 drv_t *d = NG_NODE_PRIVATE (node); 2135 bdrv_t *bd; 2136 2137 CT_DEBUG (d, ("Rmnode\n")); 2138 if (d && d->running) { 2139 bd = d->bd; 2140 int s = splimp (); 2141 CT_LOCK (bd); 2142 ct_down (d); 2143 CT_UNLOCK (bd); 2144 splx (s); 2145 } 2146 #ifdef KLD_MODULE 2147 if (node->nd_flags & NGF_REALLY_DIE) { 2148 NG_NODE_SET_PRIVATE (node, NULL); 2149 NG_NODE_UNREF (node); 2150 } 2151 NG_NODE_REVIVE(node); /* Persistant node */ 2152 #endif 2153 return 0; 2154 } 2155 2156 static void ng_ct_watchdog (void *arg) 2157 { 2158 drv_t *d = arg; 2159 2160 if (!d) 2161 return; 2162 2163 if (d->timeout == 1) 2164 ct_watchdog (d); 2165 if (d->timeout) 2166 d->timeout--; 2167 callout_reset (&d->timeout_handle, hz, ng_ct_watchdog, d); 2168 } 2169 2170 static int ng_ct_connect (hook_p hook) 2171 { 2172 drv_t *d = NG_NODE_PRIVATE (NG_HOOK_NODE (hook)); 2173 2174 if (!d) 2175 return 0; 2176 2177 callout_reset (&d->timeout_handle, hz, ng_ct_watchdog, d); 2178 return 0; 2179 } 2180 2181 static int ng_ct_disconnect (hook_p hook) 2182 { 2183 drv_t *d = NG_NODE_PRIVATE (NG_HOOK_NODE (hook)); 2184 bdrv_t *bd; 2185 2186 if (!d) 2187 return 0; 2188 2189 bd = d->bd; 2190 2191 CT_LOCK (bd); 2192 if (NG_HOOK_PRIVATE (hook)) 2193 ct_down (d); 2194 CT_UNLOCK (bd); 2195 /* If we were wait it than it reasserted now, just stop it. */ 2196 if (!callout_drain (&d->timeout_handle)) 2197 callout_stop (&d->timeout_handle); 2198 return 0; 2199 } 2200 #endif 2201 2202 static int ct_modevent (module_t mod, int type, void *unused) 2203 { 2204 static int load_count = 0; 2205 2206 if (!debug_mpsafenet && ct_mpsafenet) { 2207 printf ("WORNING! Network stack is not MPSAFE. " 2208 "Turning off debug.ct.mpsafenet.\n"); 2209 ct_mpsafenet = 0; 2210 } 2211 if (ct_mpsafenet) 2212 ct_cdevsw.d_flags &= ~D_NEEDGIANT; 2213 2214 switch (type) { 2215 case MOD_LOAD: 2216 #ifdef NETGRAPH 2217 if (ng_newtype (&typestruct)) 2218 printf ("Failed to register ng_ct\n"); 2219 #endif 2220 ++load_count; 2221 callout_init (&timeout_handle, ct_mpsafenet?CALLOUT_MPSAFE:0); 2222 callout_reset (&timeout_handle, hz*5, ct_timeout, 0); 2223 break; 2224 case MOD_UNLOAD: 2225 if (load_count == 1) { 2226 printf ("Removing device entry for Tau-ISA\n"); 2227 #ifdef NETGRAPH 2228 ng_rmtype (&typestruct); 2229 #endif 2230 } 2231 /* If we were wait it than it reasserted now, just stop it. */ 2232 if (!callout_drain (&timeout_handle)) 2233 callout_stop (&timeout_handle); 2234 --load_count; 2235 break; 2236 case MOD_SHUTDOWN: 2237 break; 2238 } 2239 return 0; 2240 } 2241 2242 #ifdef NETGRAPH 2243 static struct ng_type typestruct = { 2244 .version = NG_ABI_VERSION, 2245 .name = NG_CT_NODE_TYPE, 2246 .constructor = ng_ct_constructor, 2247 .rcvmsg = ng_ct_rcvmsg, 2248 .shutdown = ng_ct_rmnode, 2249 .newhook = ng_ct_newhook, 2250 .connect = ng_ct_connect, 2251 .rcvdata = ng_ct_rcvdata, 2252 .disconnect = ng_ct_disconnect, 2253 }; 2254 #endif /*NETGRAPH*/ 2255 2256 #ifdef NETGRAPH 2257 MODULE_DEPEND (ng_ct, netgraph, NG_ABI_VERSION, NG_ABI_VERSION, NG_ABI_VERSION); 2258 #else 2259 MODULE_DEPEND (ct, sppp, 1, 1, 1); 2260 #endif 2261 DRIVER_MODULE (ct, isa, ct_isa_driver, ct_devclass, ct_modevent, NULL); 2262 MODULE_VERSION (ct, 1);
Cache object: fbbe8315ac8af5eb7c6f8a5324b301f2
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