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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: releng/9.0/sys/dev/ctau/if_ct.c 207554 2010-05-03 07:32:50Z sobomax $"); 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/priv.h> 36 #include <sys/socket.h> 37 #include <sys/sysctl.h> 38 #include <sys/conf.h> 39 #include <sys/errno.h> 40 #include <sys/tty.h> 41 #include <sys/bus.h> 42 #include <machine/bus.h> 43 #include <sys/rman.h> 44 #include <isa/isavar.h> 45 #include <sys/interrupt.h> 46 #include <vm/vm.h> 47 #include <vm/pmap.h> 48 #include <net/if.h> 49 #include <machine/cpufunc.h> 50 #include <machine/cserial.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 #define CT_LOCK(_bd) mtx_lock (&(_bd)->ct_mtx) 83 #define CT_UNLOCK(_bd) mtx_unlock (&(_bd)->ct_mtx) 84 #define CT_LOCK_ASSERT(_bd) mtx_assert (&(_bd)->ct_mtx, MA_OWNED) 85 86 static void ct_identify __P((driver_t *, device_t)); 87 static int ct_probe __P((device_t)); 88 static int ct_attach __P((device_t)); 89 static int ct_detach __P((device_t)); 90 91 static device_method_t ct_isa_methods [] = { 92 DEVMETHOD(device_identify, ct_identify), 93 DEVMETHOD(device_probe, ct_probe), 94 DEVMETHOD(device_attach, ct_attach), 95 DEVMETHOD(device_detach, ct_detach), 96 {0, 0} 97 }; 98 99 typedef struct _ct_dma_mem_t { 100 unsigned long phys; 101 void *virt; 102 size_t size; 103 bus_dma_tag_t dmat; 104 bus_dmamap_t mapp; 105 } ct_dma_mem_t; 106 107 typedef struct _drv_t { 108 char name [8]; 109 ct_chan_t *chan; 110 ct_board_t *board; 111 struct _bdrv_t *bd; 112 ct_dma_mem_t dmamem; 113 int running; 114 #ifdef NETGRAPH 115 char nodename [NG_NODESIZ]; 116 hook_p hook; 117 hook_p debug_hook; 118 node_p node; 119 struct ifqueue queue; 120 struct ifqueue hi_queue; 121 #else 122 struct ifqueue queue; 123 struct ifnet *ifp; 124 #endif 125 short timeout; 126 struct callout timeout_handle; 127 struct cdev *devt; 128 } drv_t; 129 130 typedef struct _bdrv_t { 131 ct_board_t *board; 132 struct resource *base_res; 133 struct resource *drq_res; 134 struct resource *irq_res; 135 int base_rid; 136 int drq_rid; 137 int irq_rid; 138 void *intrhand; 139 drv_t channel [NCHAN]; 140 struct mtx ct_mtx; 141 } bdrv_t; 142 143 static driver_t ct_isa_driver = { 144 "ct", 145 ct_isa_methods, 146 sizeof (bdrv_t), 147 }; 148 149 static devclass_t ct_devclass; 150 151 static void ct_receive (ct_chan_t *c, char *data, int len); 152 static void ct_transmit (ct_chan_t *c, void *attachment, int len); 153 static void ct_error (ct_chan_t *c, int data); 154 static void ct_up (drv_t *d); 155 static void ct_start (drv_t *d); 156 static void ct_down (drv_t *d); 157 static void ct_watchdog (drv_t *d); 158 static void ct_watchdog_timer (void *arg); 159 #ifdef NETGRAPH 160 extern struct ng_type typestruct; 161 #else 162 static void ct_ifstart (struct ifnet *ifp); 163 static void ct_tlf (struct sppp *sp); 164 static void ct_tls (struct sppp *sp); 165 static int ct_sioctl (struct ifnet *ifp, u_long cmd, caddr_t data); 166 static void ct_initialize (void *softc); 167 #endif 168 169 static ct_board_t *adapter [NCTAU]; 170 static drv_t *channel [NCTAU*NCHAN]; 171 static struct callout led_timo [NCTAU]; 172 static struct callout timeout_handle; 173 174 static int ct_open (struct cdev *dev, int oflags, int devtype, struct thread *td); 175 static int ct_close (struct cdev *dev, int fflag, int devtype, struct thread *td); 176 static int ct_ioctl (struct cdev *dev, u_long cmd, caddr_t data, int flag, struct thread *td); 177 static struct cdevsw ct_cdevsw = { 178 .d_version = D_VERSION, 179 .d_open = ct_open, 180 .d_close = ct_close, 181 .d_ioctl = ct_ioctl, 182 .d_name = "ct", 183 }; 184 185 /* 186 * Print the mbuf chain, for debug purposes only. 187 */ 188 static void printmbuf (struct mbuf *m) 189 { 190 printf ("mbuf:"); 191 for (; m; m=m->m_next) { 192 if (m->m_flags & M_PKTHDR) 193 printf (" HDR %d:", m->m_pkthdr.len); 194 if (m->m_flags & M_EXT) 195 printf (" EXT:"); 196 printf (" %d", m->m_len); 197 } 198 printf ("\n"); 199 } 200 201 /* 202 * Make an mbuf from data. 203 */ 204 static struct mbuf *makembuf (void *buf, u_int len) 205 { 206 struct mbuf *m; 207 208 MGETHDR (m, M_DONTWAIT, MT_DATA); 209 if (! m) 210 return 0; 211 MCLGET (m, M_DONTWAIT); 212 if (! (m->m_flags & M_EXT)) { 213 m_freem (m); 214 return 0; 215 } 216 m->m_pkthdr.len = m->m_len = len; 217 bcopy (buf, mtod (m, caddr_t), len); 218 return m; 219 } 220 221 static void ct_timeout (void *arg) 222 { 223 drv_t *d; 224 int s, i, k; 225 226 for (i = 0; i < NCTAU; ++i) { 227 if (adapter[i] == NULL) 228 continue; 229 for (k = 0; k < NCHAN; k++) { 230 d = channel[i * NCHAN + k]; 231 if (! d) 232 continue; 233 if (d->chan->mode != M_G703) 234 continue; 235 s = splimp (); 236 CT_LOCK ((bdrv_t *)d->bd); 237 ct_g703_timer (d->chan); 238 CT_UNLOCK ((bdrv_t *)d->bd); 239 splx (s); 240 } 241 } 242 243 callout_reset (&timeout_handle, hz, ct_timeout, 0); 244 } 245 246 static void ct_led_off (void *arg) 247 { 248 ct_board_t *b = arg; 249 bdrv_t *bd = ((drv_t *)b->chan->sys)->bd; 250 int s = splimp (); 251 252 CT_LOCK (bd); 253 ct_led (b, 0); 254 CT_UNLOCK (bd); 255 splx (s); 256 } 257 258 /* 259 * Activate interrupt handler from DDK. 260 */ 261 static void ct_intr (void *arg) 262 { 263 bdrv_t *bd = arg; 264 ct_board_t *b = bd->board; 265 #ifndef NETGRAPH 266 int i; 267 #endif 268 int s = splimp (); 269 270 CT_LOCK (bd); 271 /* Turn LED on. */ 272 ct_led (b, 1); 273 274 ct_int_handler (b); 275 276 /* Turn LED off 50 msec later. */ 277 callout_reset (&led_timo[b->num], hz/20, ct_led_off, b); 278 CT_UNLOCK (bd); 279 splx (s); 280 281 #ifndef NETGRAPH 282 /* Pass packets in a lock-free state */ 283 for (i = 0; i < NCHAN && b->chan[i].type; i++) { 284 drv_t *d = b->chan[i].sys; 285 struct mbuf *m; 286 if (!d || !d->running) 287 continue; 288 while (_IF_QLEN(&d->queue)) { 289 IF_DEQUEUE (&d->queue,m); 290 if (!m) 291 continue; 292 sppp_input (d->ifp, m); 293 } 294 } 295 #endif 296 } 297 298 static int probe_irq (ct_board_t *b, int irq) 299 { 300 int mask, busy, cnt; 301 302 /* Clear pending irq, if any. */ 303 ct_probe_irq (b, -irq); 304 DELAY (100); 305 for (cnt=0; cnt<5; ++cnt) { 306 /* Get the mask of pending irqs, assuming they are busy. 307 * Activate the adapter on given irq. */ 308 busy = ct_probe_irq (b, irq); 309 DELAY (1000); 310 311 /* Get the mask of active irqs. 312 * Deactivate our irq. */ 313 mask = ct_probe_irq (b, -irq); 314 DELAY (100); 315 if ((mask & ~busy) == 1 << irq) { 316 ct_probe_irq (b, 0); 317 /* printf ("ct%d: irq %d ok, mask=0x%04x, busy=0x%04x\n", 318 b->num, irq, mask, busy); */ 319 return 1; 320 } 321 } 322 /* printf ("ct%d: irq %d not functional, mask=0x%04x, busy=0x%04x\n", 323 b->num, irq, mask, busy); */ 324 ct_probe_irq (b, 0); 325 return 0; 326 } 327 328 static short porttab [] = { 329 0x200, 0x220, 0x240, 0x260, 0x280, 0x2a0, 0x2c0, 0x2e0, 330 0x300, 0x320, 0x340, 0x360, 0x380, 0x3a0, 0x3c0, 0x3e0, 0 331 }; 332 static char dmatab [] = { 7, 6, 5, 0 }; 333 static char irqtab [] = { 5, 10, 11, 7, 3, 15, 12, 0 }; 334 335 static int ct_is_free_res (device_t dev, int rid, int type, u_long start, 336 u_long end, u_long count) 337 { 338 struct resource *res; 339 340 if (!(res = bus_alloc_resource (dev, type, &rid, start, end, count, 341 RF_ALLOCATED))) 342 return 0; 343 344 bus_release_resource (dev, type, rid, res); 345 346 return 1; 347 } 348 349 static void ct_identify (driver_t *driver, device_t dev) 350 { 351 u_long iobase, rescount; 352 int devcount; 353 device_t *devices; 354 device_t child; 355 devclass_t my_devclass; 356 int i, k; 357 358 if ((my_devclass = devclass_find ("ct")) == NULL) 359 return; 360 361 devclass_get_devices (my_devclass, &devices, &devcount); 362 363 if (devcount == 0) { 364 /* We should find all devices by our self. We could alter other 365 * devices, but we don't have a choise 366 */ 367 for (i = 0; (iobase = porttab [i]) != 0; i++) { 368 if (!ct_is_free_res (dev, 0, SYS_RES_IOPORT, 369 iobase, iobase + NPORT, NPORT)) 370 continue; 371 if (ct_probe_board (iobase, -1, -1) == 0) 372 continue; 373 374 devcount++; 375 child = BUS_ADD_CHILD (dev, ISA_ORDER_SPECULATIVE, "ct", 376 -1); 377 378 if (child == NULL) 379 return; 380 381 device_set_desc_copy (child, "Cronyx Tau-ISA"); 382 device_set_driver (child, driver); 383 bus_set_resource (child, SYS_RES_IOPORT, 0, 384 iobase, NPORT); 385 386 if (devcount >= NCTAU) 387 break; 388 } 389 } else { 390 static short porttab [] = { 391 0x200, 0x220, 0x240, 0x260, 0x280, 0x2a0, 0x2c0, 0x2e0, 392 0x300, 0x320, 0x340, 0x360, 0x380, 0x3a0, 0x3c0, 0x3e0, 0 393 }; 394 /* Lets check user choise. 395 */ 396 for (k = 0; k < devcount; k++) { 397 if (bus_get_resource (devices[k], SYS_RES_IOPORT, 0, 398 &iobase, &rescount) != 0) 399 continue; 400 401 for (i = 0; porttab [i] != 0; i++) { 402 if (porttab [i] != iobase) 403 continue; 404 405 if (!ct_is_free_res (devices[k], 0, SYS_RES_IOPORT, 406 iobase, iobase + NPORT, NPORT)) 407 continue; 408 409 if (ct_probe_board (iobase, -1, -1) == 0) 410 continue; 411 porttab [i] = -1; 412 device_set_desc_copy (devices[k], "Cronyx Tau-ISA"); 413 break; 414 } 415 if (porttab [i] == 0) { 416 device_delete_child ( 417 device_get_parent (devices[k]), 418 devices [k]); 419 devices[k] = 0; 420 continue; 421 } 422 } 423 for (k = 0; k < devcount; k++) { 424 if (devices[k] == 0) 425 continue; 426 if (bus_get_resource (devices[k], SYS_RES_IOPORT, 0, 427 &iobase, &rescount) == 0) 428 continue; 429 for (i = 0; (iobase = porttab [i]) != 0; i++) { 430 if (porttab [i] == -1) 431 continue; 432 if (!ct_is_free_res (devices[k], 0, SYS_RES_IOPORT, 433 iobase, iobase + NPORT, NPORT)) 434 continue; 435 if (ct_probe_board (iobase, -1, -1) == 0) 436 continue; 437 438 bus_set_resource (devices[k], SYS_RES_IOPORT, 0, 439 iobase, NPORT); 440 porttab [i] = -1; 441 device_set_desc_copy (devices[k], "Cronyx Tau-ISA"); 442 break; 443 } 444 if (porttab [i] == 0) { 445 device_delete_child ( 446 device_get_parent (devices[k]), 447 devices [k]); 448 } 449 } 450 free (devices, M_TEMP); 451 } 452 453 return; 454 } 455 456 static int ct_probe (device_t dev) 457 { 458 int unit = device_get_unit (dev); 459 u_long iobase, rescount; 460 461 if (!device_get_desc (dev) || 462 strcmp (device_get_desc (dev), "Cronyx Tau-ISA")) 463 return ENXIO; 464 465 /* KASSERT ((bd != NULL), ("ct%d: NULL device softc\n", unit));*/ 466 if (bus_get_resource (dev, SYS_RES_IOPORT, 0, &iobase, &rescount) != 0) { 467 printf ("ct%d: Couldn't get IOPORT\n", unit); 468 return ENXIO; 469 } 470 471 if (!ct_is_free_res (dev, 0, SYS_RES_IOPORT, 472 iobase, iobase + NPORT, NPORT)) { 473 printf ("ct%d: Resource IOPORT isn't free\n", unit); 474 return ENXIO; 475 } 476 477 if (!ct_probe_board (iobase, -1, -1)) { 478 printf ("ct%d: probing for Tau-ISA at %lx faild\n", unit, iobase); 479 return ENXIO; 480 } 481 482 return 0; 483 } 484 485 static void 486 ct_bus_dmamap_addr (void *arg, bus_dma_segment_t *segs, int nseg, int error) 487 { 488 unsigned long *addr; 489 490 if (error) 491 return; 492 493 KASSERT(nseg == 1, ("too many DMA segments, %d should be 1", nseg)); 494 addr = arg; 495 *addr = segs->ds_addr; 496 } 497 498 static int 499 ct_bus_dma_mem_alloc (int bnum, int cnum, ct_dma_mem_t *dmem) 500 { 501 int error; 502 503 error = bus_dma_tag_create (NULL, 16, 0, BUS_SPACE_MAXADDR_24BIT, 504 BUS_SPACE_MAXADDR, NULL, NULL, dmem->size, 1, 505 dmem->size, 0, NULL, NULL, &dmem->dmat); 506 if (error) { 507 if (cnum >= 0) printf ("ct%d-%d: ", bnum, cnum); 508 else printf ("ct%d: ", bnum); 509 printf ("couldn't allocate tag for dma memory\n"); 510 return 0; 511 } 512 error = bus_dmamem_alloc (dmem->dmat, (void **)&dmem->virt, 513 BUS_DMA_NOWAIT | BUS_DMA_ZERO, &dmem->mapp); 514 if (error) { 515 if (cnum >= 0) printf ("ct%d-%d: ", bnum, cnum); 516 else printf ("ct%d: ", bnum); 517 printf ("couldn't allocate mem for dma memory\n"); 518 bus_dma_tag_destroy (dmem->dmat); 519 return 0; 520 } 521 error = bus_dmamap_load (dmem->dmat, dmem->mapp, dmem->virt, 522 dmem->size, ct_bus_dmamap_addr, &dmem->phys, 0); 523 if (error) { 524 if (cnum >= 0) printf ("ct%d-%d: ", bnum, cnum); 525 else printf ("ct%d: ", bnum); 526 printf ("couldn't load mem map for dma memory\n"); 527 bus_dmamem_free (dmem->dmat, dmem->virt, dmem->mapp); 528 bus_dma_tag_destroy (dmem->dmat); 529 return 0; 530 } 531 return 1; 532 } 533 534 static void 535 ct_bus_dma_mem_free (ct_dma_mem_t *dmem) 536 { 537 bus_dmamap_unload (dmem->dmat, dmem->mapp); 538 bus_dmamem_free (dmem->dmat, dmem->virt, dmem->mapp); 539 bus_dma_tag_destroy (dmem->dmat); 540 } 541 542 /* 543 * The adapter is present, initialize the driver structures. 544 */ 545 static int ct_attach (device_t dev) 546 { 547 bdrv_t *bd = device_get_softc (dev); 548 u_long iobase, drq, irq, rescount; 549 int unit = device_get_unit (dev); 550 char *ct_ln = CT_LOCK_NAME; 551 ct_board_t *b; 552 ct_chan_t *c; 553 drv_t *d; 554 int i; 555 int s; 556 557 KASSERT ((bd != NULL), ("ct%d: NULL device softc\n", unit)); 558 559 bus_get_resource (dev, SYS_RES_IOPORT, 0, &iobase, &rescount); 560 bd->base_rid = 0; 561 bd->base_res = bus_alloc_resource (dev, SYS_RES_IOPORT, &bd->base_rid, 562 iobase, iobase + NPORT, NPORT, RF_ACTIVE); 563 if (! bd->base_res) { 564 printf ("ct%d: cannot alloc base address\n", unit); 565 return ENXIO; 566 } 567 568 if (bus_get_resource (dev, SYS_RES_DRQ, 0, &drq, &rescount) != 0) { 569 for (i = 0; (drq = dmatab [i]) != 0; i++) { 570 if (!ct_is_free_res (dev, 0, SYS_RES_DRQ, 571 drq, drq + 1, 1)) 572 continue; 573 bus_set_resource (dev, SYS_RES_DRQ, 0, drq, 1); 574 break; 575 } 576 577 if (dmatab[i] == 0) { 578 bus_release_resource (dev, SYS_RES_IOPORT, bd->base_rid, 579 bd->base_res); 580 printf ("ct%d: Couldn't get DRQ\n", unit); 581 return ENXIO; 582 } 583 } 584 585 bd->drq_rid = 0; 586 bd->drq_res = bus_alloc_resource (dev, SYS_RES_DRQ, &bd->drq_rid, 587 drq, drq + 1, 1, RF_ACTIVE); 588 if (! bd->drq_res) { 589 printf ("ct%d: cannot allocate drq\n", unit); 590 bus_release_resource (dev, SYS_RES_IOPORT, bd->base_rid, 591 bd->base_res); 592 return ENXIO; 593 } 594 595 if (bus_get_resource (dev, SYS_RES_IRQ, 0, &irq, &rescount) != 0) { 596 for (i = 0; (irq = irqtab [i]) != 0; i++) { 597 if (!ct_is_free_res (dev, 0, SYS_RES_IRQ, 598 irq, irq + 1, 1)) 599 continue; 600 bus_set_resource (dev, SYS_RES_IRQ, 0, irq, 1); 601 break; 602 } 603 604 if (irqtab[i] == 0) { 605 bus_release_resource (dev, SYS_RES_DRQ, bd->drq_rid, 606 bd->drq_res); 607 bus_release_resource (dev, SYS_RES_IOPORT, bd->base_rid, 608 bd->base_res); 609 printf ("ct%d: Couldn't get IRQ\n", unit); 610 return ENXIO; 611 } 612 } 613 614 bd->irq_rid = 0; 615 bd->irq_res = bus_alloc_resource (dev, SYS_RES_IRQ, &bd->irq_rid, 616 irq, irq + 1, 1, RF_ACTIVE); 617 if (! bd->irq_res) { 618 printf ("ct%d: Couldn't allocate irq\n", unit); 619 bus_release_resource (dev, SYS_RES_DRQ, bd->drq_rid, 620 bd->drq_res); 621 bus_release_resource (dev, SYS_RES_IOPORT, bd->base_rid, 622 bd->base_res); 623 return ENXIO; 624 } 625 626 b = malloc (sizeof (ct_board_t), M_DEVBUF, M_WAITOK); 627 if (!b) { 628 printf ("ct:%d: Couldn't allocate memory\n", unit); 629 return (ENXIO); 630 } 631 adapter[unit] = b; 632 bzero (b, sizeof(ct_board_t)); 633 634 if (! ct_open_board (b, unit, iobase, irq, drq)) { 635 printf ("ct%d: error loading firmware\n", unit); 636 free (b, M_DEVBUF); 637 bus_release_resource (dev, SYS_RES_IRQ, bd->irq_rid, 638 bd->irq_res); 639 bus_release_resource (dev, SYS_RES_DRQ, bd->drq_rid, 640 bd->drq_res); 641 bus_release_resource (dev, SYS_RES_IOPORT, bd->base_rid, 642 bd->base_res); 643 return ENXIO; 644 } 645 646 bd->board = b; 647 648 ct_ln[2] = '' + unit; 649 mtx_init (&bd->ct_mtx, ct_ln, MTX_NETWORK_LOCK, MTX_DEF|MTX_RECURSE); 650 if (! probe_irq (b, irq)) { 651 printf ("ct%d: irq %ld not functional\n", unit, irq); 652 bd->board = 0; 653 adapter [unit] = 0; 654 free (b, M_DEVBUF); 655 bus_release_resource (dev, SYS_RES_IRQ, bd->irq_rid, 656 bd->irq_res); 657 bus_release_resource (dev, SYS_RES_DRQ, bd->drq_rid, 658 bd->drq_res); 659 bus_release_resource (dev, SYS_RES_IOPORT, bd->base_rid, 660 bd->base_res); 661 mtx_destroy (&bd->ct_mtx); 662 return ENXIO; 663 } 664 665 callout_init (&led_timo[unit], CALLOUT_MPSAFE); 666 s = splimp (); 667 if (bus_setup_intr (dev, bd->irq_res, 668 INTR_TYPE_NET|INTR_MPSAFE, 669 NULL, ct_intr, bd, &bd->intrhand)) { 670 printf ("ct%d: Can't setup irq %ld\n", unit, irq); 671 bd->board = 0; 672 adapter [unit] = 0; 673 free (b, M_DEVBUF); 674 bus_release_resource (dev, SYS_RES_IRQ, bd->irq_rid, 675 bd->irq_res); 676 bus_release_resource (dev, SYS_RES_DRQ, bd->drq_rid, 677 bd->drq_res); 678 bus_release_resource (dev, SYS_RES_IOPORT, bd->base_rid, 679 bd->base_res); 680 mtx_destroy (&bd->ct_mtx); 681 splx (s); 682 return ENXIO; 683 } 684 685 CT_LOCK (bd); 686 ct_init_board (b, b->num, b->port, irq, drq, b->type, b->osc); 687 ct_setup_board (b, 0, 0, 0); 688 CT_UNLOCK (bd); 689 690 printf ("ct%d: <Cronyx-%s>, clock %s MHz\n", b->num, b->name, 691 b->osc == 20000000 ? "20" : "16.384"); 692 693 for (c = b->chan; c < b->chan + NCHAN; ++c) { 694 d = &bd->channel[c->num]; 695 d->dmamem.size = sizeof(ct_buf_t); 696 if (! ct_bus_dma_mem_alloc (unit, c->num, &d->dmamem)) 697 continue; 698 d->board = b; 699 d->chan = c; 700 d->bd = bd; 701 c->sys = d; 702 channel [b->num*NCHAN + c->num] = d; 703 sprintf (d->name, "ct%d.%d", b->num, c->num); 704 callout_init (&d->timeout_handle, CALLOUT_MPSAFE); 705 706 #ifdef NETGRAPH 707 if (ng_make_node_common (&typestruct, &d->node) != 0) { 708 printf ("%s: cannot make common node\n", d->name); 709 channel [b->num*NCHAN + c->num] = 0; 710 c->sys = 0; 711 ct_bus_dma_mem_free (&d->dmamem); 712 continue; 713 } 714 NG_NODE_SET_PRIVATE (d->node, d); 715 sprintf (d->nodename, "%s%d", NG_CT_NODE_TYPE, 716 c->board->num*NCHAN + c->num); 717 if (ng_name_node (d->node, d->nodename)) { 718 printf ("%s: cannot name node\n", d->nodename); 719 NG_NODE_UNREF (d->node); 720 channel [b->num*NCHAN + c->num] = 0; 721 c->sys = 0; 722 ct_bus_dma_mem_free (&d->dmamem); 723 continue; 724 } 725 d->queue.ifq_maxlen = ifqmaxlen; 726 d->hi_queue.ifq_maxlen = ifqmaxlen; 727 mtx_init (&d->queue.ifq_mtx, "ct_queue", NULL, MTX_DEF); 728 mtx_init (&d->hi_queue.ifq_mtx, "ct_queue_hi", NULL, MTX_DEF); 729 #else /*NETGRAPH*/ 730 d->ifp = if_alloc(IFT_PPP); 731 if (d->ifp == NULL) { 732 printf ("%s: cannot if_alloc common interface\n", 733 d->name); 734 channel [b->num*NCHAN + c->num] = 0; 735 c->sys = 0; 736 ct_bus_dma_mem_free (&d->dmamem); 737 continue; 738 } 739 d->ifp->if_softc = d; 740 if_initname (d->ifp, "ct", b->num * NCHAN + c->num); 741 d->ifp->if_mtu = PP_MTU; 742 d->ifp->if_flags = IFF_POINTOPOINT | IFF_MULTICAST; 743 d->ifp->if_ioctl = ct_sioctl; 744 d->ifp->if_start = ct_ifstart; 745 d->ifp->if_init = ct_initialize; 746 d->queue.ifq_maxlen = NBUF; 747 mtx_init (&d->queue.ifq_mtx, "ct_queue", NULL, MTX_DEF); 748 sppp_attach (d->ifp); 749 if_attach (d->ifp); 750 IFP2SP(d->ifp)->pp_tlf = ct_tlf; 751 IFP2SP(d->ifp)->pp_tls = ct_tls; 752 /* If BPF is in the kernel, call the attach for it. 753 * Header size is 4 bytes. */ 754 bpfattach (d->ifp, DLT_PPP, 4); 755 #endif /*NETGRAPH*/ 756 CT_LOCK (bd); 757 ct_start_chan (c, d->dmamem.virt, d->dmamem.phys); 758 ct_register_receive (c, &ct_receive); 759 ct_register_transmit (c, &ct_transmit); 760 ct_register_error (c, &ct_error); 761 CT_UNLOCK (bd); 762 d->devt = make_dev (&ct_cdevsw, b->num*NCHAN+c->num, UID_ROOT, 763 GID_WHEEL, 0600, "ct%d", b->num*NCHAN+c->num); 764 } 765 splx (s); 766 767 return 0; 768 } 769 770 static int ct_detach (device_t dev) 771 { 772 bdrv_t *bd = device_get_softc (dev); 773 ct_board_t *b = bd->board; 774 ct_chan_t *c; 775 int s; 776 777 KASSERT (mtx_initialized (&bd->ct_mtx), ("ct mutex not initialized")); 778 779 s = splimp (); 780 CT_LOCK (bd); 781 /* Check if the device is busy (open). */ 782 for (c = b->chan; c < b->chan + NCHAN; ++c) { 783 drv_t *d = (drv_t*) c->sys; 784 785 if (!d || !d->chan->type) 786 continue; 787 788 if (d->running) { 789 CT_UNLOCK (bd); 790 splx (s); 791 return EBUSY; 792 } 793 } 794 795 /* Deactivate the timeout routine. */ 796 callout_stop (&led_timo[b->num]); 797 798 CT_UNLOCK (bd); 799 800 bus_teardown_intr (dev, bd->irq_res, bd->intrhand); 801 bus_release_resource (dev, SYS_RES_IRQ, bd->irq_rid, bd->irq_res); 802 803 bus_release_resource (dev, SYS_RES_DRQ, bd->drq_rid, bd->drq_res); 804 805 bus_release_resource (dev, SYS_RES_IOPORT, bd->base_rid, bd->base_res); 806 807 CT_LOCK (bd); 808 ct_close_board (b); 809 CT_UNLOCK (bd); 810 811 /* Detach the interfaces, free buffer memory. */ 812 for (c = b->chan; c < b->chan + NCHAN; ++c) { 813 drv_t *d = (drv_t*) c->sys; 814 815 if (!d || !d->chan->type) 816 continue; 817 818 callout_stop (&d->timeout_handle); 819 #ifdef NETGRAPH 820 if (d->node) { 821 ng_rmnode_self (d->node); 822 NG_NODE_UNREF (d->node); 823 d->node = NULL; 824 } 825 mtx_destroy (&d->queue.ifq_mtx); 826 mtx_destroy (&d->hi_queue.ifq_mtx); 827 #else 828 /* Detach from the packet filter list of interfaces. */ 829 bpfdetach (d->ifp); 830 831 /* Detach from the sync PPP list. */ 832 sppp_detach (d->ifp); 833 834 if_detach (d->ifp); 835 if_free (d->ifp); 836 IF_DRAIN (&d->queue); 837 mtx_destroy (&d->queue.ifq_mtx); 838 #endif 839 destroy_dev (d->devt); 840 } 841 842 CT_LOCK (bd); 843 ct_led_off (b); 844 CT_UNLOCK (bd); 845 callout_drain (&led_timo[b->num]); 846 splx (s); 847 848 for (c = b->chan; c < b->chan + NCHAN; ++c) { 849 drv_t *d = (drv_t*) c->sys; 850 851 if (!d || !d->chan->type) 852 continue; 853 callout_drain(&d->timeout_handle); 854 855 /* Deallocate buffers. */ 856 ct_bus_dma_mem_free (&d->dmamem); 857 } 858 bd->board = 0; 859 adapter [b->num] = 0; 860 free (b, M_DEVBUF); 861 862 mtx_destroy (&bd->ct_mtx); 863 864 return 0; 865 } 866 867 #ifndef NETGRAPH 868 static void ct_ifstart (struct ifnet *ifp) 869 { 870 drv_t *d = ifp->if_softc; 871 bdrv_t *bd = d->bd; 872 873 CT_LOCK (bd); 874 ct_start (d); 875 CT_UNLOCK (bd); 876 } 877 878 static void ct_tlf (struct sppp *sp) 879 { 880 drv_t *d = SP2IFP(sp)->if_softc; 881 882 CT_DEBUG (d, ("ct_tlf\n")); 883 /* ct_set_dtr (d->chan, 0);*/ 884 /* ct_set_rts (d->chan, 0);*/ 885 if (!(sp->pp_flags & PP_FR) && !(d->ifp->if_flags & PP_CISCO)) 886 sp->pp_down (sp); 887 } 888 889 static void ct_tls (struct sppp *sp) 890 { 891 drv_t *d = SP2IFP(sp)->if_softc; 892 893 CT_DEBUG (d, ("ct_tls\n")); 894 if (!(sp->pp_flags & PP_FR) && !(d->ifp->if_flags & PP_CISCO)) 895 sp->pp_up (sp); 896 } 897 898 /* 899 * Initialization of interface. 900 * Ii seems to be never called by upper level. 901 */ 902 static void ct_initialize (void *softc) 903 { 904 drv_t *d = softc; 905 906 CT_DEBUG (d, ("ct_initialize\n")); 907 } 908 909 /* 910 * Process an ioctl request. 911 */ 912 static int ct_sioctl (struct ifnet *ifp, u_long cmd, caddr_t data) 913 { 914 drv_t *d = ifp->if_softc; 915 bdrv_t *bd = d->bd; 916 int error, s, was_up, should_be_up; 917 918 was_up = (ifp->if_drv_flags & IFF_DRV_RUNNING) != 0; 919 error = sppp_ioctl (ifp, cmd, data); 920 if (error) 921 return error; 922 923 if (! (ifp->if_flags & IFF_DEBUG)) 924 d->chan->debug = 0; 925 else 926 d->chan->debug = d->chan->debug_shadow; 927 928 switch (cmd) { 929 default: CT_DEBUG2 (d, ("ioctl 0x%lx\n", cmd)); return 0; 930 case SIOCADDMULTI: CT_DEBUG2 (d, ("SIOCADDMULTI\n")); return 0; 931 case SIOCDELMULTI: CT_DEBUG2 (d, ("SIOCDELMULTI\n")); return 0; 932 case SIOCSIFFLAGS: CT_DEBUG2 (d, ("SIOCSIFFLAGS\n")); break; 933 case SIOCSIFADDR: CT_DEBUG2 (d, ("SIOCSIFADDR\n")); break; 934 } 935 936 /* We get here only in case of SIFFLAGS or SIFADDR. */ 937 s = splimp (); 938 CT_LOCK (bd); 939 should_be_up = (ifp->if_drv_flags & IFF_DRV_RUNNING) != 0; 940 if (! was_up && should_be_up) { 941 /* Interface goes up -- start it. */ 942 ct_up (d); 943 ct_start (d); 944 } else if (was_up && ! should_be_up) { 945 /* Interface is going down -- stop it. */ 946 /* if ((IFP2SP(d->ifp)->pp_flags & PP_FR) || (ifp->if_flags & PP_CISCO))*/ 947 ct_down (d); 948 } 949 CT_UNLOCK (bd); 950 splx (s); 951 return 0; 952 } 953 #endif /*NETGRAPH*/ 954 955 /* 956 * Stop the interface. Called on splimp(). 957 */ 958 static void ct_down (drv_t *d) 959 { 960 int s = splimp (); 961 CT_DEBUG (d, ("ct_down\n")); 962 ct_set_dtr (d->chan, 0); 963 ct_set_rts (d->chan, 0); 964 d->running = 0; 965 callout_stop (&d->timeout_handle); 966 splx (s); 967 } 968 969 /* 970 * Start the interface. Called on splimp(). 971 */ 972 static void ct_up (drv_t *d) 973 { 974 int s = splimp (); 975 CT_DEBUG (d, ("ct_up\n")); 976 ct_set_dtr (d->chan, 1); 977 ct_set_rts (d->chan, 1); 978 d->running = 1; 979 splx (s); 980 } 981 982 /* 983 * Start output on the (slave) interface. Get another datagram to send 984 * off of the interface queue, and copy it to the interface 985 * before starting the output. 986 */ 987 static void ct_send (drv_t *d) 988 { 989 struct mbuf *m; 990 u_short len; 991 992 CT_DEBUG2 (d, ("ct_send, tn=%d\n", d->chan->tn)); 993 994 /* No output if the interface is down. */ 995 if (! d->running) 996 return; 997 998 /* No output if the modem is off. */ 999 if (! ct_get_dsr (d->chan) && !ct_get_loop (d->chan)) 1000 return; 1001 1002 while (ct_buf_free (d->chan)) { 1003 /* Get the packet to send. */ 1004 #ifdef NETGRAPH 1005 IF_DEQUEUE (&d->hi_queue, m); 1006 if (! m) 1007 IF_DEQUEUE (&d->queue, m); 1008 #else 1009 m = sppp_dequeue (d->ifp); 1010 #endif 1011 if (! m) 1012 return; 1013 #ifndef NETGRAPH 1014 BPF_MTAP (d->ifp, m); 1015 #endif 1016 len = m_length (m, NULL); 1017 if (! m->m_next) 1018 ct_send_packet (d->chan, (u_char*)mtod (m, caddr_t), 1019 len, 0); 1020 else { 1021 m_copydata (m, 0, len, d->chan->tbuf[d->chan->te]); 1022 ct_send_packet (d->chan, d->chan->tbuf[d->chan->te], 1023 len, 0); 1024 } 1025 m_freem (m); 1026 1027 /* Set up transmit timeout, if the transmit ring is not empty. 1028 * Transmit timeout is 10 seconds. */ 1029 d->timeout = 10; 1030 } 1031 #ifndef NETGRAPH 1032 d->ifp->if_drv_flags |= IFF_DRV_OACTIVE; 1033 #endif 1034 } 1035 1036 /* 1037 * Start output on the interface. 1038 * Always called on splimp(). 1039 */ 1040 static void ct_start (drv_t *d) 1041 { 1042 int s = splimp (); 1043 1044 if (d->running) { 1045 if (! d->chan->dtr) 1046 ct_set_dtr (d->chan, 1); 1047 if (! d->chan->rts) 1048 ct_set_rts (d->chan, 1); 1049 ct_send (d); 1050 callout_reset (&d->timeout_handle, hz, ct_watchdog_timer, d); 1051 } 1052 1053 splx (s); 1054 } 1055 1056 /* 1057 * Handle transmit timeouts. 1058 * Recover after lost transmit interrupts. 1059 * Always called on splimp(). 1060 */ 1061 static void ct_watchdog (drv_t *d) 1062 { 1063 1064 CT_DEBUG (d, ("device timeout\n")); 1065 if (d->running) { 1066 ct_setup_chan (d->chan); 1067 ct_start_chan (d->chan, 0, 0); 1068 ct_set_dtr (d->chan, 1); 1069 ct_set_rts (d->chan, 1); 1070 ct_start (d); 1071 } 1072 } 1073 1074 static void ct_watchdog_timer (void *arg) 1075 { 1076 drv_t *d = arg; 1077 bdrv_t *bd = d->bd; 1078 1079 CT_LOCK (bd); 1080 if (d->timeout == 1) 1081 ct_watchdog (d); 1082 if (d->timeout) 1083 d->timeout--; 1084 callout_reset (&d->timeout_handle, hz, ct_watchdog_timer, d); 1085 CT_UNLOCK (bd); 1086 } 1087 1088 /* 1089 * Transmit callback function. 1090 */ 1091 static void ct_transmit (ct_chan_t *c, void *attachment, int len) 1092 { 1093 drv_t *d = c->sys; 1094 1095 if (!d) 1096 return; 1097 d->timeout = 0; 1098 #ifndef NETGRAPH 1099 ++d->ifp->if_opackets; 1100 d->ifp->if_drv_flags &= ~IFF_DRV_OACTIVE; 1101 #endif 1102 ct_start (d); 1103 } 1104 1105 /* 1106 * Process the received packet. 1107 */ 1108 static void ct_receive (ct_chan_t *c, char *data, int len) 1109 { 1110 drv_t *d = c->sys; 1111 struct mbuf *m; 1112 #ifdef NETGRAPH 1113 int error; 1114 #endif 1115 1116 if (!d || !d->running) 1117 return; 1118 1119 m = makembuf (data, len); 1120 if (! m) { 1121 CT_DEBUG (d, ("no memory for packet\n")); 1122 #ifndef NETGRAPH 1123 ++d->ifp->if_iqdrops; 1124 #endif 1125 return; 1126 } 1127 if (c->debug > 1) 1128 printmbuf (m); 1129 #ifdef NETGRAPH 1130 m->m_pkthdr.rcvif = 0; 1131 NG_SEND_DATA_ONLY (error, d->hook, m); 1132 #else 1133 ++d->ifp->if_ipackets; 1134 m->m_pkthdr.rcvif = d->ifp; 1135 /* Check if there's a BPF listener on this interface. 1136 * If so, hand off the raw packet to bpf. */ 1137 BPF_TAP (d->ifp, data, len); 1138 IF_ENQUEUE (&d->queue, m); 1139 #endif 1140 } 1141 1142 /* 1143 * Error callback function. 1144 */ 1145 static void ct_error (ct_chan_t *c, int data) 1146 { 1147 drv_t *d = c->sys; 1148 1149 if (!d) 1150 return; 1151 1152 switch (data) { 1153 case CT_FRAME: 1154 CT_DEBUG (d, ("frame error\n")); 1155 #ifndef NETGRAPH 1156 ++d->ifp->if_ierrors; 1157 #endif 1158 break; 1159 case CT_CRC: 1160 CT_DEBUG (d, ("crc error\n")); 1161 #ifndef NETGRAPH 1162 ++d->ifp->if_ierrors; 1163 #endif 1164 break; 1165 case CT_OVERRUN: 1166 CT_DEBUG (d, ("overrun error\n")); 1167 #ifndef NETGRAPH 1168 ++d->ifp->if_collisions; 1169 ++d->ifp->if_ierrors; 1170 #endif 1171 break; 1172 case CT_OVERFLOW: 1173 CT_DEBUG (d, ("overflow error\n")); 1174 #ifndef NETGRAPH 1175 ++d->ifp->if_ierrors; 1176 #endif 1177 break; 1178 case CT_UNDERRUN: 1179 CT_DEBUG (d, ("underrun error\n")); 1180 d->timeout = 0; 1181 #ifndef NETGRAPH 1182 ++d->ifp->if_oerrors; 1183 d->ifp->if_drv_flags &= ~IFF_DRV_OACTIVE; 1184 #endif 1185 ct_start (d); 1186 break; 1187 default: 1188 CT_DEBUG (d, ("error #%d\n", data)); 1189 } 1190 } 1191 1192 static int ct_open (struct cdev *dev, int oflags, int devtype, struct thread *td) 1193 { 1194 drv_t *d; 1195 1196 if (dev2unit(dev) >= NCTAU*NCHAN || ! (d = channel[dev2unit(dev)])) 1197 return ENXIO; 1198 1199 CT_DEBUG2 (d, ("ct_open\n")); 1200 return 0; 1201 } 1202 1203 static int ct_close (struct cdev *dev, int fflag, int devtype, struct thread *td) 1204 { 1205 drv_t *d = channel [dev2unit(dev)]; 1206 1207 if (!d) 1208 return 0; 1209 1210 CT_DEBUG2 (d, ("ct_close\n")); 1211 return 0; 1212 } 1213 1214 static int ct_modem_status (ct_chan_t *c) 1215 { 1216 drv_t *d = c->sys; 1217 bdrv_t *bd; 1218 int status, s; 1219 1220 if (!d) 1221 return 0; 1222 1223 bd = d->bd; 1224 1225 status = d->running ? TIOCM_LE : 0; 1226 s = splimp (); 1227 CT_LOCK (bd); 1228 if (ct_get_cd (c)) status |= TIOCM_CD; 1229 if (ct_get_cts (c)) status |= TIOCM_CTS; 1230 if (ct_get_dsr (c)) status |= TIOCM_DSR; 1231 if (c->dtr) status |= TIOCM_DTR; 1232 if (c->rts) status |= TIOCM_RTS; 1233 CT_UNLOCK (bd); 1234 splx (s); 1235 return status; 1236 } 1237 1238 /* 1239 * Process an ioctl request on /dev/cronyx/ctauN. 1240 */ 1241 static int ct_ioctl (struct cdev *dev, u_long cmd, caddr_t data, int flag, struct thread *td) 1242 { 1243 drv_t *d = channel [dev2unit (dev)]; 1244 bdrv_t *bd; 1245 ct_chan_t *c; 1246 struct serial_statistics *st; 1247 struct e1_statistics *opte1; 1248 int error, s; 1249 char mask[16]; 1250 1251 if (!d || !d->chan) 1252 return 0; 1253 1254 bd = d->bd; 1255 c = d->chan; 1256 1257 switch (cmd) { 1258 case SERIAL_GETREGISTERED: 1259 bzero (mask, sizeof(mask)); 1260 for (s=0; s<NCTAU*NCHAN; ++s) 1261 if (channel [s]) 1262 mask [s/8] |= 1 << (s & 7); 1263 bcopy (mask, data, sizeof (mask)); 1264 return 0; 1265 1266 #ifndef NETGRAPH 1267 case SERIAL_GETPROTO: 1268 strcpy ((char*)data, (IFP2SP(d->ifp)->pp_flags & PP_FR) ? "fr" : 1269 (d->ifp->if_flags & PP_CISCO) ? "cisco" : "ppp"); 1270 return 0; 1271 1272 case SERIAL_SETPROTO: 1273 /* Only for superuser! */ 1274 error = priv_check (td, PRIV_DRIVER); 1275 if (error) 1276 return error; 1277 if (d->ifp->if_drv_flags & IFF_DRV_RUNNING) 1278 return EBUSY; 1279 if (! strcmp ("cisco", (char*)data)) { 1280 IFP2SP(d->ifp)->pp_flags &= ~(PP_FR); 1281 IFP2SP(d->ifp)->pp_flags |= PP_KEEPALIVE; 1282 d->ifp->if_flags |= PP_CISCO; 1283 } else if (! strcmp ("fr", (char*)data)) { 1284 d->ifp->if_flags &= ~(PP_CISCO); 1285 IFP2SP(d->ifp)->pp_flags |= PP_FR | PP_KEEPALIVE; 1286 } else if (! strcmp ("ppp", (char*)data)) { 1287 IFP2SP(d->ifp)->pp_flags &= ~(PP_FR | PP_KEEPALIVE); 1288 d->ifp->if_flags &= ~(PP_CISCO); 1289 } else 1290 return EINVAL; 1291 return 0; 1292 1293 case SERIAL_GETKEEPALIVE: 1294 if ((IFP2SP(d->ifp)->pp_flags & PP_FR) || 1295 (d->ifp->if_flags & PP_CISCO)) 1296 return EINVAL; 1297 *(int*)data = (IFP2SP(d->ifp)->pp_flags & PP_KEEPALIVE) ? 1 : 0; 1298 return 0; 1299 1300 case SERIAL_SETKEEPALIVE: 1301 /* Only for superuser! */ 1302 error = priv_check (td, PRIV_DRIVER); 1303 if (error) 1304 return error; 1305 if ((IFP2SP(d->ifp)->pp_flags & PP_FR) || 1306 (d->ifp->if_flags & PP_CISCO)) 1307 return EINVAL; 1308 if (*(int*)data) 1309 IFP2SP(d->ifp)->pp_flags |= PP_KEEPALIVE; 1310 else 1311 IFP2SP(d->ifp)->pp_flags &= ~PP_KEEPALIVE; 1312 return 0; 1313 #endif /*NETGRAPH*/ 1314 1315 case SERIAL_GETMODE: 1316 *(int*)data = SERIAL_HDLC; 1317 return 0; 1318 1319 case SERIAL_GETCFG: 1320 if (c->mode == M_HDLC) 1321 return EINVAL; 1322 switch (ct_get_config (c->board)) { 1323 default: *(char*)data = 'a'; break; 1324 case CFG_B: *(char*)data = 'b'; break; 1325 case CFG_C: *(char*)data = 'c'; break; 1326 } 1327 return 0; 1328 1329 case SERIAL_SETCFG: 1330 /* Only for superuser! */ 1331 error = priv_check (td, PRIV_DRIVER); 1332 if (error) 1333 return error; 1334 if (c->mode == M_HDLC) 1335 return EINVAL; 1336 s = splimp (); 1337 CT_LOCK (bd); 1338 switch (*(char*)data) { 1339 case 'a': ct_set_config (c->board, CFG_A); break; 1340 case 'b': ct_set_config (c->board, CFG_B); break; 1341 case 'c': ct_set_config (c->board, CFG_C); break; 1342 } 1343 CT_UNLOCK (bd); 1344 splx (s); 1345 return 0; 1346 1347 case SERIAL_GETSTAT: 1348 st = (struct serial_statistics*) data; 1349 st->rintr = c->rintr; 1350 st->tintr = c->tintr; 1351 st->mintr = c->mintr; 1352 st->ibytes = c->ibytes; 1353 st->ipkts = c->ipkts; 1354 st->ierrs = c->ierrs; 1355 st->obytes = c->obytes; 1356 st->opkts = c->opkts; 1357 st->oerrs = c->oerrs; 1358 return 0; 1359 1360 case SERIAL_GETESTAT: 1361 opte1 = (struct e1_statistics*)data; 1362 opte1->status = c->status; 1363 opte1->cursec = c->cursec; 1364 opte1->totsec = c->totsec + c->cursec; 1365 1366 opte1->currnt.bpv = c->currnt.bpv; 1367 opte1->currnt.fse = c->currnt.fse; 1368 opte1->currnt.crce = c->currnt.crce; 1369 opte1->currnt.rcrce = c->currnt.rcrce; 1370 opte1->currnt.uas = c->currnt.uas; 1371 opte1->currnt.les = c->currnt.les; 1372 opte1->currnt.es = c->currnt.es; 1373 opte1->currnt.bes = c->currnt.bes; 1374 opte1->currnt.ses = c->currnt.ses; 1375 opte1->currnt.oofs = c->currnt.oofs; 1376 opte1->currnt.css = c->currnt.css; 1377 opte1->currnt.dm = c->currnt.dm; 1378 1379 opte1->total.bpv = c->total.bpv + c->currnt.bpv; 1380 opte1->total.fse = c->total.fse + c->currnt.fse; 1381 opte1->total.crce = c->total.crce + c->currnt.crce; 1382 opte1->total.rcrce = c->total.rcrce + c->currnt.rcrce; 1383 opte1->total.uas = c->total.uas + c->currnt.uas; 1384 opte1->total.les = c->total.les + c->currnt.les; 1385 opte1->total.es = c->total.es + c->currnt.es; 1386 opte1->total.bes = c->total.bes + c->currnt.bes; 1387 opte1->total.ses = c->total.ses + c->currnt.ses; 1388 opte1->total.oofs = c->total.oofs + c->currnt.oofs; 1389 opte1->total.css = c->total.css + c->currnt.css; 1390 opte1->total.dm = c->total.dm + c->currnt.dm; 1391 for (s=0; s<48; ++s) { 1392 opte1->interval[s].bpv = c->interval[s].bpv; 1393 opte1->interval[s].fse = c->interval[s].fse; 1394 opte1->interval[s].crce = c->interval[s].crce; 1395 opte1->interval[s].rcrce = c->interval[s].rcrce; 1396 opte1->interval[s].uas = c->interval[s].uas; 1397 opte1->interval[s].les = c->interval[s].les; 1398 opte1->interval[s].es = c->interval[s].es; 1399 opte1->interval[s].bes = c->interval[s].bes; 1400 opte1->interval[s].ses = c->interval[s].ses; 1401 opte1->interval[s].oofs = c->interval[s].oofs; 1402 opte1->interval[s].css = c->interval[s].css; 1403 opte1->interval[s].dm = c->interval[s].dm; 1404 } 1405 return 0; 1406 1407 case SERIAL_CLRSTAT: 1408 /* Only for superuser! */ 1409 error = priv_check (td, PRIV_DRIVER); 1410 if (error) 1411 return error; 1412 c->rintr = 0; 1413 c->tintr = 0; 1414 c->mintr = 0; 1415 c->ibytes = 0; 1416 c->ipkts = 0; 1417 c->ierrs = 0; 1418 c->obytes = 0; 1419 c->opkts = 0; 1420 c->oerrs = 0; 1421 bzero (&c->currnt, sizeof (c->currnt)); 1422 bzero (&c->total, sizeof (c->total)); 1423 bzero (c->interval, sizeof (c->interval)); 1424 return 0; 1425 1426 case SERIAL_GETBAUD: 1427 *(long*)data = ct_get_baud(c); 1428 return 0; 1429 1430 case SERIAL_SETBAUD: 1431 /* Only for superuser! */ 1432 error = priv_check (td, PRIV_DRIVER); 1433 if (error) 1434 return error; 1435 s = splimp (); 1436 CT_LOCK (bd); 1437 ct_set_baud (c, *(long*)data); 1438 CT_UNLOCK (bd); 1439 splx (s); 1440 return 0; 1441 1442 case SERIAL_GETLOOP: 1443 *(int*)data = ct_get_loop (c); 1444 return 0; 1445 1446 case SERIAL_SETLOOP: 1447 /* Only for superuser! */ 1448 error = priv_check (td, PRIV_DRIVER); 1449 if (error) 1450 return error; 1451 s = splimp (); 1452 CT_LOCK (bd); 1453 ct_set_loop (c, *(int*)data); 1454 CT_UNLOCK (bd); 1455 splx (s); 1456 return 0; 1457 1458 case SERIAL_GETDPLL: 1459 if (c->mode == M_E1 || c->mode == M_G703) 1460 return EINVAL; 1461 *(int*)data = ct_get_dpll (c); 1462 return 0; 1463 1464 case SERIAL_SETDPLL: 1465 /* Only for superuser! */ 1466 error = priv_check (td, PRIV_DRIVER); 1467 if (error) 1468 return error; 1469 if (c->mode == M_E1 || c->mode == M_G703) 1470 return EINVAL; 1471 s = splimp (); 1472 CT_LOCK (bd); 1473 ct_set_dpll (c, *(int*)data); 1474 CT_UNLOCK (bd); 1475 splx (s); 1476 return 0; 1477 1478 case SERIAL_GETNRZI: 1479 if (c->mode == M_E1 || c->mode == M_G703) 1480 return EINVAL; 1481 *(int*)data = ct_get_nrzi (c); 1482 return 0; 1483 1484 case SERIAL_SETNRZI: 1485 /* Only for superuser! */ 1486 error = priv_check (td, PRIV_DRIVER); 1487 if (error) 1488 return error; 1489 if (c->mode == M_E1 || c->mode == M_G703) 1490 return EINVAL; 1491 s = splimp (); 1492 CT_LOCK (bd); 1493 ct_set_nrzi (c, *(int*)data); 1494 CT_UNLOCK (bd); 1495 splx (s); 1496 return 0; 1497 1498 case SERIAL_GETDEBUG: 1499 *(int*)data = c->debug; 1500 return 0; 1501 1502 case SERIAL_SETDEBUG: 1503 /* Only for superuser! */ 1504 error = priv_check (td, PRIV_DRIVER); 1505 if (error) 1506 return error; 1507 #ifndef NETGRAPH 1508 /* 1509 * The debug_shadow is always greater than zero for logic 1510 * simplicity. For switching debug off the IFF_DEBUG is 1511 * responsible. 1512 */ 1513 c->debug_shadow = (*(int*)data) ? (*(int*)data) : 1; 1514 if (d->ifp->if_flags & IFF_DEBUG) 1515 c->debug = c->debug_shadow; 1516 #else 1517 c->debug = *(int*)data; 1518 #endif 1519 return 0; 1520 1521 case SERIAL_GETHIGAIN: 1522 if (c->mode != M_E1) 1523 return EINVAL; 1524 *(int*)data = ct_get_higain (c); 1525 return 0; 1526 1527 case SERIAL_SETHIGAIN: 1528 /* Only for superuser! */ 1529 error = priv_check (td, PRIV_DRIVER); 1530 if (error) 1531 return error; 1532 s = splimp (); 1533 CT_LOCK (bd); 1534 ct_set_higain (c, *(int*)data); 1535 CT_UNLOCK (bd); 1536 splx (s); 1537 return 0; 1538 1539 case SERIAL_GETPHONY: 1540 CT_DEBUG2 (d, ("ioctl: getphony\n")); 1541 if (c->mode != M_E1) 1542 return EINVAL; 1543 *(int*)data = c->gopt.phony; 1544 return 0; 1545 1546 case SERIAL_SETPHONY: 1547 CT_DEBUG2 (d, ("ioctl: setphony\n")); 1548 if (c->mode != M_E1) 1549 return EINVAL; 1550 /* Only for superuser! */ 1551 error = priv_check (td, PRIV_DRIVER); 1552 if (error) 1553 return error; 1554 s = splimp (); 1555 CT_LOCK (bd); 1556 ct_set_phony (c, *(int*)data); 1557 CT_UNLOCK (bd); 1558 splx (s); 1559 return 0; 1560 1561 case SERIAL_GETCLK: 1562 if (c->mode != M_E1 && c->mode != M_G703) 1563 return EINVAL; 1564 switch (ct_get_clk(c)) { 1565 default: *(int*)data = E1CLK_INTERNAL; break; 1566 case GCLK_RCV: *(int*)data = E1CLK_RECEIVE; break; 1567 case GCLK_RCLKO: *(int*)data = c->num ? 1568 E1CLK_RECEIVE_CHAN0 : E1CLK_RECEIVE_CHAN1; break; 1569 } 1570 return 0; 1571 1572 case SERIAL_SETCLK: 1573 /* Only for superuser! */ 1574 error = priv_check (td, PRIV_DRIVER); 1575 if (error) 1576 return error; 1577 s = splimp (); 1578 CT_LOCK (bd); 1579 switch (*(int*)data) { 1580 default: ct_set_clk (c, GCLK_INT); break; 1581 case E1CLK_RECEIVE: ct_set_clk (c, GCLK_RCV); break; 1582 case E1CLK_RECEIVE_CHAN0: 1583 case E1CLK_RECEIVE_CHAN1: 1584 ct_set_clk (c, GCLK_RCLKO); break; 1585 } 1586 CT_UNLOCK (bd); 1587 splx (s); 1588 return 0; 1589 1590 case SERIAL_GETTIMESLOTS: 1591 if (c->mode != M_E1) 1592 return EINVAL; 1593 *(long*)data = ct_get_ts (c); 1594 return 0; 1595 1596 case SERIAL_SETTIMESLOTS: 1597 /* Only for superuser! */ 1598 error = priv_check (td, PRIV_DRIVER); 1599 if (error) 1600 return error; 1601 s = splimp (); 1602 CT_LOCK (bd); 1603 ct_set_ts (c, *(long*)data); 1604 CT_UNLOCK (bd); 1605 splx (s); 1606 return 0; 1607 1608 case SERIAL_GETSUBCHAN: 1609 if (c->mode != M_E1) 1610 return EINVAL; 1611 *(long*)data = ct_get_subchan (c->board); 1612 return 0; 1613 1614 case SERIAL_SETSUBCHAN: 1615 /* Only for superuser! */ 1616 error = priv_check (td, PRIV_DRIVER); 1617 if (error) 1618 return error; 1619 s = splimp (); 1620 CT_LOCK (bd); 1621 ct_set_subchan (c->board, *(long*)data); 1622 CT_UNLOCK (bd); 1623 splx (s); 1624 return 0; 1625 1626 case SERIAL_GETINVCLK: 1627 case SERIAL_GETINVTCLK: 1628 if (c->mode == M_E1 || c->mode == M_G703) 1629 return EINVAL; 1630 *(int*)data = ct_get_invtxc (c); 1631 return 0; 1632 1633 case SERIAL_GETINVRCLK: 1634 if (c->mode == M_E1 || c->mode == M_G703) 1635 return EINVAL; 1636 *(int*)data = ct_get_invrxc (c); 1637 return 0; 1638 1639 case SERIAL_SETINVCLK: 1640 case SERIAL_SETINVTCLK: 1641 /* Only for superuser! */ 1642 error = priv_check (td, PRIV_DRIVER); 1643 if (error) 1644 return error; 1645 if (c->mode == M_E1 || c->mode == M_G703) 1646 return EINVAL; 1647 s = splimp (); 1648 CT_LOCK (bd); 1649 ct_set_invtxc (c, *(int*)data); 1650 CT_UNLOCK (bd); 1651 splx (s); 1652 return 0; 1653 1654 case SERIAL_SETINVRCLK: 1655 /* Only for superuser! */ 1656 error = priv_check (td, PRIV_DRIVER); 1657 if (error) 1658 return error; 1659 if (c->mode == M_E1 || c->mode == M_G703) 1660 return EINVAL; 1661 s = splimp (); 1662 CT_LOCK (bd); 1663 ct_set_invrxc (c, *(int*)data); 1664 CT_UNLOCK (bd); 1665 splx (s); 1666 return 0; 1667 1668 case SERIAL_GETLEVEL: 1669 if (c->mode != M_G703) 1670 return EINVAL; 1671 s = splimp (); 1672 CT_LOCK (bd); 1673 *(int*)data = ct_get_lq (c); 1674 CT_UNLOCK (bd); 1675 splx (s); 1676 return 0; 1677 1678 case TIOCSDTR: /* Set DTR */ 1679 s = splimp (); 1680 CT_LOCK (bd); 1681 ct_set_dtr (c, 1); 1682 CT_UNLOCK (bd); 1683 splx (s); 1684 return 0; 1685 1686 case TIOCCDTR: /* Clear DTR */ 1687 s = splimp (); 1688 CT_LOCK (bd); 1689 ct_set_dtr (c, 0); 1690 CT_UNLOCK (bd); 1691 splx (s); 1692 return 0; 1693 1694 case TIOCMSET: /* Set DTR/RTS */ 1695 s = splimp (); 1696 CT_LOCK (bd); 1697 ct_set_dtr (c, (*(int*)data & TIOCM_DTR) ? 1 : 0); 1698 ct_set_rts (c, (*(int*)data & TIOCM_RTS) ? 1 : 0); 1699 CT_UNLOCK (bd); 1700 splx (s); 1701 return 0; 1702 1703 case TIOCMBIS: /* Add DTR/RTS */ 1704 s = splimp (); 1705 CT_LOCK (bd); 1706 if (*(int*)data & TIOCM_DTR) ct_set_dtr (c, 1); 1707 if (*(int*)data & TIOCM_RTS) ct_set_rts (c, 1); 1708 CT_UNLOCK (bd); 1709 splx (s); 1710 return 0; 1711 1712 case TIOCMBIC: /* Clear DTR/RTS */ 1713 s = splimp (); 1714 CT_LOCK (bd); 1715 if (*(int*)data & TIOCM_DTR) ct_set_dtr (c, 0); 1716 if (*(int*)data & TIOCM_RTS) ct_set_rts (c, 0); 1717 CT_UNLOCK (bd); 1718 splx (s); 1719 return 0; 1720 1721 case TIOCMGET: /* Get modem status */ 1722 *(int*)data = ct_modem_status (c); 1723 return 0; 1724 } 1725 return ENOTTY; 1726 } 1727 1728 #ifdef NETGRAPH 1729 static int ng_ct_constructor (node_p node) 1730 { 1731 drv_t *d = NG_NODE_PRIVATE (node); 1732 CT_DEBUG (d, ("Constructor\n")); 1733 return EINVAL; 1734 } 1735 1736 static int ng_ct_newhook (node_p node, hook_p hook, const char *name) 1737 { 1738 int s; 1739 drv_t *d = NG_NODE_PRIVATE (node); 1740 1741 if (!d) 1742 return EINVAL; 1743 1744 bdrv_t *bd = d->bd; 1745 1746 /* Attach debug hook */ 1747 if (strcmp (name, NG_CT_HOOK_DEBUG) == 0) { 1748 NG_HOOK_SET_PRIVATE (hook, NULL); 1749 d->debug_hook = hook; 1750 return 0; 1751 } 1752 1753 /* Check for raw hook */ 1754 if (strcmp (name, NG_CT_HOOK_RAW) != 0) 1755 return EINVAL; 1756 1757 NG_HOOK_SET_PRIVATE (hook, d); 1758 d->hook = hook; 1759 s = splimp (); 1760 CT_LOCK (bd); 1761 ct_up (d); 1762 CT_UNLOCK (bd); 1763 splx (s); 1764 return 0; 1765 } 1766 1767 static char *format_timeslots (u_long s) 1768 { 1769 static char buf [100]; 1770 char *p = buf; 1771 int i; 1772 1773 for (i=1; i<32; ++i) 1774 if ((s >> i) & 1) { 1775 int prev = (i > 1) & (s >> (i-1)); 1776 int next = (i < 31) & (s >> (i+1)); 1777 1778 if (prev) { 1779 if (next) 1780 continue; 1781 *p++ = '-'; 1782 } else if (p > buf) 1783 *p++ = ','; 1784 1785 if (i >= 10) 1786 *p++ = '' + i / 10; 1787 *p++ = '' + i % 10; 1788 } 1789 *p = 0; 1790 return buf; 1791 } 1792 1793 static int print_modems (char *s, ct_chan_t *c, int need_header) 1794 { 1795 int status = ct_modem_status (c); 1796 int length = 0; 1797 1798 if (need_header) 1799 length += sprintf (s + length, " LE DTR DSR RTS CTS CD\n"); 1800 length += sprintf (s + length, "%4s %4s %4s %4s %4s %4s\n", 1801 status & TIOCM_LE ? "On" : "-", 1802 status & TIOCM_DTR ? "On" : "-", 1803 status & TIOCM_DSR ? "On" : "-", 1804 status & TIOCM_RTS ? "On" : "-", 1805 status & TIOCM_CTS ? "On" : "-", 1806 status & TIOCM_CD ? "On" : "-"); 1807 return length; 1808 } 1809 1810 static int print_stats (char *s, ct_chan_t *c, int need_header) 1811 { 1812 struct serial_statistics st; 1813 int length = 0; 1814 1815 st.rintr = c->rintr; 1816 st.tintr = c->tintr; 1817 st.mintr = c->mintr; 1818 st.ibytes = c->ibytes; 1819 st.ipkts = c->ipkts; 1820 st.ierrs = c->ierrs; 1821 st.obytes = c->obytes; 1822 st.opkts = c->opkts; 1823 st.oerrs = c->oerrs; 1824 if (need_header) 1825 length += sprintf (s + length, " Rintr Tintr Mintr Ibytes Ipkts Ierrs Obytes Opkts Oerrs\n"); 1826 length += sprintf (s + length, "%7ld %7ld %7ld %8ld %7ld %7ld %8ld %7ld %7ld\n", 1827 st.rintr, st.tintr, st.mintr, st.ibytes, st.ipkts, 1828 st.ierrs, st.obytes, st.opkts, st.oerrs); 1829 return length; 1830 } 1831 1832 static char *format_e1_status (u_char status) 1833 { 1834 static char buf [80]; 1835 1836 if (status & E1_NOALARM) 1837 return "Ok"; 1838 buf[0] = 0; 1839 if (status & E1_LOS) strcat (buf, ",LOS"); 1840 if (status & E1_AIS) strcat (buf, ",AIS"); 1841 if (status & E1_LOF) strcat (buf, ",LOF"); 1842 if (status & E1_LOMF) strcat (buf, ",LOMF"); 1843 if (status & E1_FARLOF) strcat (buf, ",FARLOF"); 1844 if (status & E1_AIS16) strcat (buf, ",AIS16"); 1845 if (status & E1_FARLOMF) strcat (buf, ",FARLOMF"); 1846 if (status & E1_TSTREQ) strcat (buf, ",TSTREQ"); 1847 if (status & E1_TSTERR) strcat (buf, ",TSTERR"); 1848 if (buf[0] == ',') 1849 return buf+1; 1850 return "Unknown"; 1851 } 1852 1853 static int print_frac (char *s, int leftalign, u_long numerator, u_long divider) 1854 { 1855 int n, length = 0; 1856 1857 if (numerator < 1 || divider < 1) { 1858 length += sprintf (s+length, leftalign ? "/- " : " -"); 1859 return length; 1860 } 1861 n = (int) (0.5 + 1000.0 * numerator / divider); 1862 if (n < 1000) { 1863 length += sprintf (s+length, leftalign ? "/.%-3d" : " .%03d", n); 1864 return length; 1865 } 1866 *(s + length) = leftalign ? '/' : ' '; 1867 length ++; 1868 1869 if (n >= 1000000) n = (n+500) / 1000 * 1000; 1870 else if (n >= 100000) n = (n+50) / 100 * 100; 1871 else if (n >= 10000) n = (n+5) / 10 * 10; 1872 1873 switch (n) { 1874 case 1000: length += printf (s+length, ".999"); return length; 1875 case 10000: n = 9990; break; 1876 case 100000: n = 99900; break; 1877 case 1000000: n = 999000; break; 1878 } 1879 if (n < 10000) length += sprintf (s+length, "%d.%d", n/1000, n/10%100); 1880 else if (n < 100000) length += sprintf (s+length, "%d.%d", n/1000, n/100%10); 1881 else if (n < 1000000) length += sprintf (s+length, "%d.", n/1000); 1882 else length += sprintf (s+length, "%d", n/1000); 1883 1884 return length; 1885 } 1886 1887 static int print_e1_stats (char *s, ct_chan_t *c) 1888 { 1889 struct e1_counters total; 1890 u_long totsec; 1891 int length = 0; 1892 1893 totsec = c->totsec + c->cursec; 1894 total.bpv = c->total.bpv + c->currnt.bpv; 1895 total.fse = c->total.fse + c->currnt.fse; 1896 total.crce = c->total.crce + c->currnt.crce; 1897 total.rcrce = c->total.rcrce + c->currnt.rcrce; 1898 total.uas = c->total.uas + c->currnt.uas; 1899 total.les = c->total.les + c->currnt.les; 1900 total.es = c->total.es + c->currnt.es; 1901 total.bes = c->total.bes + c->currnt.bes; 1902 total.ses = c->total.ses + c->currnt.ses; 1903 total.oofs = c->total.oofs + c->currnt.oofs; 1904 total.css = c->total.css + c->currnt.css; 1905 total.dm = c->total.dm + c->currnt.dm; 1906 1907 length += sprintf (s + length, " Unav/Degr Bpv/Fsyn CRC/RCRC Err/Lerr Sev/Bur Oof/Slp Status\n"); 1908 1909 /* Unavailable seconds, degraded minutes */ 1910 length += print_frac (s + length, 0, c->currnt.uas, c->cursec); 1911 length += print_frac (s + length, 1, 60 * c->currnt.dm, c->cursec); 1912 1913 /* Bipolar violations, frame sync errors */ 1914 length += print_frac (s + length, 0, c->currnt.bpv, c->cursec); 1915 length += print_frac (s + length, 1, c->currnt.fse, c->cursec); 1916 1917 /* CRC errors, remote CRC errors (E-bit) */ 1918 length += print_frac (s + length, 0, c->currnt.crce, c->cursec); 1919 length += print_frac (s + length, 1, c->currnt.rcrce, c->cursec); 1920 1921 /* Errored seconds, line errored seconds */ 1922 length += print_frac (s + length, 0, c->currnt.es, c->cursec); 1923 length += print_frac (s + length, 1, c->currnt.les, c->cursec); 1924 1925 /* Severely errored seconds, burst errored seconds */ 1926 length += print_frac (s + length, 0, c->currnt.ses, c->cursec); 1927 length += print_frac (s + length, 1, c->currnt.bes, c->cursec); 1928 1929 /* Out of frame seconds, controlled slip seconds */ 1930 length += print_frac (s + length, 0, c->currnt.oofs, c->cursec); 1931 length += print_frac (s + length, 1, c->currnt.css, c->cursec); 1932 1933 length += sprintf (s + length, " %s\n", format_e1_status (c->status)); 1934 1935 /* Print total statistics. */ 1936 length += print_frac (s + length, 0, total.uas, totsec); 1937 length += print_frac (s + length, 1, 60 * total.dm, totsec); 1938 1939 length += print_frac (s + length, 0, total.bpv, totsec); 1940 length += print_frac (s + length, 1, total.fse, totsec); 1941 1942 length += print_frac (s + length, 0, total.crce, totsec); 1943 length += print_frac (s + length, 1, total.rcrce, totsec); 1944 1945 length += print_frac (s + length, 0, total.es, totsec); 1946 length += print_frac (s + length, 1, total.les, totsec); 1947 1948 length += print_frac (s + length, 0, total.ses, totsec); 1949 length += print_frac (s + length, 1, total.bes, totsec); 1950 1951 length += print_frac (s + length, 0, total.oofs, totsec); 1952 length += print_frac (s + length, 1, total.css, totsec); 1953 1954 length += sprintf (s + length, " -- Total\n"); 1955 return length; 1956 } 1957 1958 static int print_chan (char *s, ct_chan_t *c) 1959 { 1960 drv_t *d = c->sys; 1961 bdrv_t *bd = d->bd; 1962 int length = 0; 1963 1964 length += sprintf (s + length, "ct%d", c->board->num * NCHAN + c->num); 1965 if (d->chan->debug) 1966 length += sprintf (s + length, " debug=%d", d->chan->debug); 1967 1968 switch (ct_get_config (c->board)) { 1969 case CFG_A: length += sprintf (s + length, " cfg=A"); break; 1970 case CFG_B: length += sprintf (s + length, " cfg=B"); break; 1971 case CFG_C: length += sprintf (s + length, " cfg=C"); break; 1972 default: length += sprintf (s + length, " cfg=unknown"); break; 1973 } 1974 1975 if (ct_get_baud (c)) 1976 length += sprintf (s + length, " %ld", ct_get_baud (c)); 1977 else 1978 length += sprintf (s + length, " extclock"); 1979 1980 if (c->mode == M_E1 || c->mode == M_G703) 1981 switch (ct_get_clk(c)) { 1982 case GCLK_INT : length += sprintf (s + length, " syn=int"); break; 1983 case GCLK_RCV : length += sprintf (s + length, " syn=rcv"); break; 1984 case GCLK_RCLKO : length += sprintf (s + length, " syn=xrcv"); break; 1985 } 1986 if (c->mode == M_HDLC) { 1987 length += sprintf (s + length, " dpll=%s", ct_get_dpll (c) ? "on" : "off"); 1988 length += sprintf (s + length, " nrzi=%s", ct_get_nrzi (c) ? "on" : "off"); 1989 length += sprintf (s + length, " invtclk=%s", ct_get_invtxc (c) ? "on" : "off"); 1990 length += sprintf (s + length, " invrclk=%s", ct_get_invrxc (c) ? "on" : "off"); 1991 } 1992 if (c->mode == M_E1) 1993 length += sprintf (s + length, " higain=%s", ct_get_higain (c)? "on" : "off"); 1994 1995 length += sprintf (s + length, " loop=%s", ct_get_loop (c) ? "on" : "off"); 1996 1997 if (c->mode == M_E1) 1998 length += sprintf (s + length, " ts=%s", format_timeslots (ct_get_ts(c))); 1999 if (c->mode == M_E1 && ct_get_config (c->board) != CFG_A) 2000 length += sprintf (s + length, " pass=%s", format_timeslots (ct_get_subchan(c->board))); 2001 if (c->mode == M_G703) { 2002 int lq, x; 2003 2004 x = splimp (); 2005 CT_LOCK (bd); 2006 lq = ct_get_lq (c); 2007 CT_UNLOCK (bd); 2008 splx (x); 2009 length += sprintf (s + length, " (level=-%.1fdB)", lq / 10.0); 2010 } 2011 length += sprintf (s + length, "\n"); 2012 return length; 2013 } 2014 2015 static int ng_ct_rcvmsg (node_p node, item_p item, hook_p lasthook) 2016 { 2017 drv_t *d = NG_NODE_PRIVATE (node); 2018 struct ng_mesg *msg; 2019 struct ng_mesg *resp = NULL; 2020 int error = 0; 2021 2022 if (!d) 2023 return EINVAL; 2024 2025 CT_DEBUG (d, ("Rcvmsg\n")); 2026 NGI_GET_MSG (item, msg); 2027 switch (msg->header.typecookie) { 2028 default: 2029 error = EINVAL; 2030 break; 2031 2032 case NGM_CT_COOKIE: 2033 printf ("Don't forget to implement\n"); 2034 error = EINVAL; 2035 break; 2036 2037 case NGM_GENERIC_COOKIE: 2038 switch (msg->header.cmd) { 2039 default: 2040 error = EINVAL; 2041 break; 2042 2043 case NGM_TEXT_STATUS: { 2044 char *s; 2045 int l = 0; 2046 int dl = sizeof (struct ng_mesg) + 730; 2047 2048 NG_MKRESPONSE (resp, msg, dl, M_NOWAIT); 2049 if (! resp) { 2050 error = ENOMEM; 2051 break; 2052 } 2053 s = (resp)->data; 2054 l += print_chan (s + l, d->chan); 2055 l += print_stats (s + l, d->chan, 1); 2056 l += print_modems (s + l, d->chan, 1); 2057 l += print_e1_stats (s + l, d->chan); 2058 strncpy ((resp)->header.cmdstr, "status", NG_CMDSTRSIZ); 2059 } 2060 break; 2061 } 2062 break; 2063 } 2064 NG_RESPOND_MSG (error, node, item, resp); 2065 NG_FREE_MSG (msg); 2066 return error; 2067 } 2068 2069 static int ng_ct_rcvdata (hook_p hook, item_p item) 2070 { 2071 drv_t *d = NG_NODE_PRIVATE (NG_HOOK_NODE(hook)); 2072 struct mbuf *m; 2073 struct ng_tag_prio *ptag; 2074 bdrv_t *bd; 2075 struct ifqueue *q; 2076 int s; 2077 2078 if (!d) 2079 return ENETDOWN; 2080 2081 bd = d->bd; 2082 NGI_GET_M (item, m); 2083 NG_FREE_ITEM (item); 2084 if (! NG_HOOK_PRIVATE (hook) || ! d) { 2085 NG_FREE_M (m); 2086 return ENETDOWN; 2087 } 2088 2089 /* Check for high priority data */ 2090 if ((ptag = (struct ng_tag_prio *)m_tag_locate(m, NGM_GENERIC_COOKIE, 2091 NG_TAG_PRIO, NULL)) != NULL && (ptag->priority > NG_PRIO_CUTOFF) ) 2092 q = &d->hi_queue; 2093 else 2094 q = &d->queue; 2095 2096 s = splimp (); 2097 CT_LOCK (bd); 2098 IF_LOCK (q); 2099 if (_IF_QFULL (q)) { 2100 _IF_DROP (q); 2101 IF_UNLOCK (q); 2102 CT_UNLOCK (bd); 2103 splx (s); 2104 NG_FREE_M (m); 2105 return ENOBUFS; 2106 } 2107 _IF_ENQUEUE (q, m); 2108 IF_UNLOCK (q); 2109 ct_start (d); 2110 CT_UNLOCK (bd); 2111 splx (s); 2112 return 0; 2113 } 2114 2115 static int ng_ct_rmnode (node_p node) 2116 { 2117 drv_t *d = NG_NODE_PRIVATE (node); 2118 bdrv_t *bd; 2119 2120 CT_DEBUG (d, ("Rmnode\n")); 2121 if (d && d->running) { 2122 bd = d->bd; 2123 int s = splimp (); 2124 CT_LOCK (bd); 2125 ct_down (d); 2126 CT_UNLOCK (bd); 2127 splx (s); 2128 } 2129 #ifdef KLD_MODULE 2130 if (node->nd_flags & NGF_REALLY_DIE) { 2131 NG_NODE_SET_PRIVATE (node, NULL); 2132 NG_NODE_UNREF (node); 2133 } 2134 NG_NODE_REVIVE(node); /* Persistant node */ 2135 #endif 2136 return 0; 2137 } 2138 2139 static int ng_ct_connect (hook_p hook) 2140 { 2141 drv_t *d = NG_NODE_PRIVATE (NG_HOOK_NODE (hook)); 2142 2143 if (!d) 2144 return 0; 2145 2146 callout_reset (&d->timeout_handle, hz, ct_watchdog_timer, d); 2147 return 0; 2148 } 2149 2150 static int ng_ct_disconnect (hook_p hook) 2151 { 2152 drv_t *d = NG_NODE_PRIVATE (NG_HOOK_NODE (hook)); 2153 bdrv_t *bd; 2154 2155 if (!d) 2156 return 0; 2157 2158 bd = d->bd; 2159 2160 CT_LOCK (bd); 2161 if (NG_HOOK_PRIVATE (hook)) 2162 ct_down (d); 2163 CT_UNLOCK (bd); 2164 /* If we were wait it than it reasserted now, just stop it. */ 2165 if (!callout_drain (&d->timeout_handle)) 2166 callout_stop (&d->timeout_handle); 2167 return 0; 2168 } 2169 #endif 2170 2171 static int ct_modevent (module_t mod, int type, void *unused) 2172 { 2173 static int load_count = 0; 2174 2175 switch (type) { 2176 case MOD_LOAD: 2177 #ifdef NETGRAPH 2178 if (ng_newtype (&typestruct)) 2179 printf ("Failed to register ng_ct\n"); 2180 #endif 2181 ++load_count; 2182 callout_init (&timeout_handle, CALLOUT_MPSAFE); 2183 callout_reset (&timeout_handle, hz*5, ct_timeout, 0); 2184 break; 2185 case MOD_UNLOAD: 2186 if (load_count == 1) { 2187 printf ("Removing device entry for Tau-ISA\n"); 2188 #ifdef NETGRAPH 2189 ng_rmtype (&typestruct); 2190 #endif 2191 } 2192 /* If we were wait it than it reasserted now, just stop it. */ 2193 if (!callout_drain (&timeout_handle)) 2194 callout_stop (&timeout_handle); 2195 --load_count; 2196 break; 2197 case MOD_SHUTDOWN: 2198 break; 2199 } 2200 return 0; 2201 } 2202 2203 #ifdef NETGRAPH 2204 static struct ng_type typestruct = { 2205 .version = NG_ABI_VERSION, 2206 .name = NG_CT_NODE_TYPE, 2207 .constructor = ng_ct_constructor, 2208 .rcvmsg = ng_ct_rcvmsg, 2209 .shutdown = ng_ct_rmnode, 2210 .newhook = ng_ct_newhook, 2211 .connect = ng_ct_connect, 2212 .rcvdata = ng_ct_rcvdata, 2213 .disconnect = ng_ct_disconnect, 2214 }; 2215 #endif /*NETGRAPH*/ 2216 2217 #ifdef NETGRAPH 2218 MODULE_DEPEND (ng_ct, netgraph, NG_ABI_VERSION, NG_ABI_VERSION, NG_ABI_VERSION); 2219 #else 2220 MODULE_DEPEND (ct, sppp, 1, 1, 1); 2221 #endif 2222 DRIVER_MODULE (ct, isa, ct_isa_driver, ct_devclass, ct_modevent, NULL); 2223 MODULE_VERSION (ct, 1);
Cache object: 73027108352deea51c5403190a5d6c25
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