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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/8.4/sys/dev/ctau/if_ct.c 215342 2010-11-15 17:48:13Z 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 short timeout; 122 struct callout timeout_handle; 123 #else 124 struct ifqueue queue; 125 struct ifnet *ifp; 126 #endif 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 #ifdef NETGRAPH 159 extern struct ng_type typestruct; 160 #else 161 static void ct_ifstart (struct ifnet *ifp); 162 static void ct_tlf (struct sppp *sp); 163 static void ct_tls (struct sppp *sp); 164 static void ct_ifwatchdog (struct ifnet *ifp); 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); 704 705 #ifdef NETGRAPH 706 if (ng_make_node_common (&typestruct, &d->node) != 0) { 707 printf ("%s: cannot make common node\n", d->name); 708 channel [b->num*NCHAN + c->num] = 0; 709 c->sys = 0; 710 ct_bus_dma_mem_free (&d->dmamem); 711 continue; 712 } 713 NG_NODE_SET_PRIVATE (d->node, d); 714 sprintf (d->nodename, "%s%d", NG_CT_NODE_TYPE, 715 c->board->num*NCHAN + c->num); 716 if (ng_name_node (d->node, d->nodename)) { 717 printf ("%s: cannot name node\n", d->nodename); 718 NG_NODE_UNREF (d->node); 719 channel [b->num*NCHAN + c->num] = 0; 720 c->sys = 0; 721 ct_bus_dma_mem_free (&d->dmamem); 722 continue; 723 } 724 d->queue.ifq_maxlen = ifqmaxlen; 725 d->hi_queue.ifq_maxlen = ifqmaxlen; 726 mtx_init (&d->queue.ifq_mtx, "ct_queue", NULL, MTX_DEF); 727 mtx_init (&d->hi_queue.ifq_mtx, "ct_queue_hi", NULL, MTX_DEF); 728 callout_init (&d->timeout_handle, CALLOUT_MPSAFE); 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_watchdog = ct_ifwatchdog; 746 d->ifp->if_init = ct_initialize; 747 d->queue.ifq_maxlen = NBUF; 748 mtx_init (&d->queue.ifq_mtx, "ct_queue", NULL, MTX_DEF); 749 sppp_attach (d->ifp); 750 if_attach (d->ifp); 751 IFP2SP(d->ifp)->pp_tlf = ct_tlf; 752 IFP2SP(d->ifp)->pp_tls = ct_tls; 753 /* If BPF is in the kernel, call the attach for it. 754 * Header size is 4 bytes. */ 755 bpfattach (d->ifp, DLT_PPP, 4); 756 #endif /*NETGRAPH*/ 757 CT_LOCK (bd); 758 ct_start_chan (c, d->dmamem.virt, d->dmamem.phys); 759 ct_register_receive (c, &ct_receive); 760 ct_register_transmit (c, &ct_transmit); 761 ct_register_error (c, &ct_error); 762 CT_UNLOCK (bd); 763 d->devt = make_dev (&ct_cdevsw, b->num*NCHAN+c->num, UID_ROOT, 764 GID_WHEEL, 0600, "ct%d", b->num*NCHAN+c->num); 765 } 766 splx (s); 767 768 return 0; 769 } 770 771 static int ct_detach (device_t dev) 772 { 773 bdrv_t *bd = device_get_softc (dev); 774 ct_board_t *b = bd->board; 775 ct_chan_t *c; 776 int s; 777 778 KASSERT (mtx_initialized (&bd->ct_mtx), ("ct mutex not initialized")); 779 780 s = splimp (); 781 CT_LOCK (bd); 782 /* Check if the device is busy (open). */ 783 for (c = b->chan; c < b->chan + NCHAN; ++c) { 784 drv_t *d = (drv_t*) c->sys; 785 786 if (!d || !d->chan->type) 787 continue; 788 789 if (d->running) { 790 CT_UNLOCK (bd); 791 splx (s); 792 return EBUSY; 793 } 794 } 795 796 /* Deactivate the timeout routine. */ 797 callout_stop (&led_timo[b->num]); 798 799 CT_UNLOCK (bd); 800 801 bus_teardown_intr (dev, bd->irq_res, bd->intrhand); 802 bus_release_resource (dev, SYS_RES_IRQ, bd->irq_rid, bd->irq_res); 803 804 bus_release_resource (dev, SYS_RES_DRQ, bd->drq_rid, bd->drq_res); 805 806 bus_release_resource (dev, SYS_RES_IOPORT, bd->base_rid, bd->base_res); 807 808 CT_LOCK (bd); 809 ct_close_board (b); 810 CT_UNLOCK (bd); 811 812 /* Detach the interfaces, free buffer memory. */ 813 for (c = b->chan; c < b->chan + NCHAN; ++c) { 814 drv_t *d = (drv_t*) c->sys; 815 816 if (!d || !d->chan->type) 817 continue; 818 819 #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 s = splimp (); 849 for (c = b->chan; c < b->chan + NCHAN; ++c) { 850 drv_t *d = (drv_t*) c->sys; 851 852 if (!d || !d->chan->type) 853 continue; 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 splx (s); 862 863 mtx_destroy (&bd->ct_mtx); 864 865 return 0; 866 } 867 868 #ifndef NETGRAPH 869 static void ct_ifstart (struct ifnet *ifp) 870 { 871 drv_t *d = ifp->if_softc; 872 bdrv_t *bd = d->bd; 873 874 CT_LOCK (bd); 875 ct_start (d); 876 CT_UNLOCK (bd); 877 } 878 879 static void ct_ifwatchdog (struct ifnet *ifp) 880 { 881 drv_t *d = ifp->if_softc; 882 883 ct_watchdog (d); 884 } 885 886 static void ct_tlf (struct sppp *sp) 887 { 888 drv_t *d = SP2IFP(sp)->if_softc; 889 890 CT_DEBUG (d, ("ct_tlf\n")); 891 /* ct_set_dtr (d->chan, 0);*/ 892 /* ct_set_rts (d->chan, 0);*/ 893 if (!(sp->pp_flags & PP_FR) && !(d->ifp->if_flags & PP_CISCO)) 894 sp->pp_down (sp); 895 } 896 897 static void ct_tls (struct sppp *sp) 898 { 899 drv_t *d = SP2IFP(sp)->if_softc; 900 901 CT_DEBUG (d, ("ct_tls\n")); 902 if (!(sp->pp_flags & PP_FR) && !(d->ifp->if_flags & PP_CISCO)) 903 sp->pp_up (sp); 904 } 905 906 /* 907 * Initialization of interface. 908 * Ii seems to be never called by upper level. 909 */ 910 static void ct_initialize (void *softc) 911 { 912 drv_t *d = softc; 913 914 CT_DEBUG (d, ("ct_initialize\n")); 915 } 916 917 /* 918 * Process an ioctl request. 919 */ 920 static int ct_sioctl (struct ifnet *ifp, u_long cmd, caddr_t data) 921 { 922 drv_t *d = ifp->if_softc; 923 bdrv_t *bd = d->bd; 924 int error, s, was_up, should_be_up; 925 926 was_up = (ifp->if_drv_flags & IFF_DRV_RUNNING) != 0; 927 error = sppp_ioctl (ifp, cmd, data); 928 if (error) 929 return error; 930 931 if (! (ifp->if_flags & IFF_DEBUG)) 932 d->chan->debug = 0; 933 else 934 d->chan->debug = d->chan->debug_shadow; 935 936 switch (cmd) { 937 default: CT_DEBUG2 (d, ("ioctl 0x%lx\n", cmd)); return 0; 938 case SIOCADDMULTI: CT_DEBUG2 (d, ("SIOCADDMULTI\n")); return 0; 939 case SIOCDELMULTI: CT_DEBUG2 (d, ("SIOCDELMULTI\n")); return 0; 940 case SIOCSIFFLAGS: CT_DEBUG2 (d, ("SIOCSIFFLAGS\n")); break; 941 case SIOCSIFADDR: CT_DEBUG2 (d, ("SIOCSIFADDR\n")); break; 942 } 943 944 /* We get here only in case of SIFFLAGS or SIFADDR. */ 945 s = splimp (); 946 CT_LOCK (bd); 947 should_be_up = (ifp->if_drv_flags & IFF_DRV_RUNNING) != 0; 948 if (! was_up && should_be_up) { 949 /* Interface goes up -- start it. */ 950 ct_up (d); 951 ct_start (d); 952 } else if (was_up && ! should_be_up) { 953 /* Interface is going down -- stop it. */ 954 /* if ((IFP2SP(d->ifp)->pp_flags & PP_FR) || (ifp->if_flags & PP_CISCO))*/ 955 ct_down (d); 956 } 957 CT_UNLOCK (bd); 958 splx (s); 959 return 0; 960 } 961 #endif /*NETGRAPH*/ 962 963 /* 964 * Stop the interface. Called on splimp(). 965 */ 966 static void ct_down (drv_t *d) 967 { 968 int s = splimp (); 969 CT_DEBUG (d, ("ct_down\n")); 970 ct_set_dtr (d->chan, 0); 971 ct_set_rts (d->chan, 0); 972 d->running = 0; 973 splx (s); 974 } 975 976 /* 977 * Start the interface. Called on splimp(). 978 */ 979 static void ct_up (drv_t *d) 980 { 981 int s = splimp (); 982 CT_DEBUG (d, ("ct_up\n")); 983 ct_set_dtr (d->chan, 1); 984 ct_set_rts (d->chan, 1); 985 d->running = 1; 986 splx (s); 987 } 988 989 /* 990 * Start output on the (slave) interface. Get another datagram to send 991 * off of the interface queue, and copy it to the interface 992 * before starting the output. 993 */ 994 static void ct_send (drv_t *d) 995 { 996 struct mbuf *m; 997 u_short len; 998 999 CT_DEBUG2 (d, ("ct_send, tn=%d\n", d->chan->tn)); 1000 1001 /* No output if the interface is down. */ 1002 if (! d->running) 1003 return; 1004 1005 /* No output if the modem is off. */ 1006 if (! ct_get_dsr (d->chan) && !ct_get_loop (d->chan)) 1007 return; 1008 1009 while (ct_buf_free (d->chan)) { 1010 /* Get the packet to send. */ 1011 #ifdef NETGRAPH 1012 IF_DEQUEUE (&d->hi_queue, m); 1013 if (! m) 1014 IF_DEQUEUE (&d->queue, m); 1015 #else 1016 m = sppp_dequeue (d->ifp); 1017 #endif 1018 if (! m) 1019 return; 1020 #ifndef NETGRAPH 1021 BPF_MTAP (d->ifp, m); 1022 #endif 1023 len = m_length (m, NULL); 1024 if (! m->m_next) 1025 ct_send_packet (d->chan, (u_char*)mtod (m, caddr_t), 1026 len, 0); 1027 else { 1028 m_copydata (m, 0, len, d->chan->tbuf[d->chan->te]); 1029 ct_send_packet (d->chan, d->chan->tbuf[d->chan->te], 1030 len, 0); 1031 } 1032 m_freem (m); 1033 1034 /* Set up transmit timeout, if the transmit ring is not empty. 1035 * Transmit timeout is 10 seconds. */ 1036 #ifdef NETGRAPH 1037 d->timeout = 10; 1038 #else 1039 d->ifp->if_timer = 10; 1040 #endif 1041 } 1042 #ifndef NETGRAPH 1043 d->ifp->if_drv_flags |= IFF_DRV_OACTIVE; 1044 #endif 1045 } 1046 1047 /* 1048 * Start output on the interface. 1049 * Always called on splimp(). 1050 */ 1051 static void ct_start (drv_t *d) 1052 { 1053 int s = splimp (); 1054 1055 if (d->running) { 1056 if (! d->chan->dtr) 1057 ct_set_dtr (d->chan, 1); 1058 if (! d->chan->rts) 1059 ct_set_rts (d->chan, 1); 1060 ct_send (d); 1061 } 1062 1063 splx (s); 1064 } 1065 1066 /* 1067 * Handle transmit timeouts. 1068 * Recover after lost transmit interrupts. 1069 * Always called on splimp(). 1070 */ 1071 static void ct_watchdog (drv_t *d) 1072 { 1073 bdrv_t *bd = d->bd; 1074 int s; 1075 1076 s = splimp (); 1077 CT_LOCK (bd); 1078 CT_DEBUG (d, ("device timeout\n")); 1079 if (d->running) { 1080 ct_setup_chan (d->chan); 1081 ct_start_chan (d->chan, 0, 0); 1082 ct_set_dtr (d->chan, 1); 1083 ct_set_rts (d->chan, 1); 1084 ct_start (d); 1085 } 1086 CT_UNLOCK (bd); 1087 splx (s); 1088 } 1089 1090 /* 1091 * Transmit callback function. 1092 */ 1093 static void ct_transmit (ct_chan_t *c, void *attachment, int len) 1094 { 1095 drv_t *d = c->sys; 1096 1097 if (!d) 1098 return; 1099 #ifdef NETGRAPH 1100 d->timeout = 0; 1101 #else 1102 ++d->ifp->if_opackets; 1103 d->ifp->if_drv_flags &= ~IFF_DRV_OACTIVE; 1104 d->ifp->if_timer = 0; 1105 #endif 1106 ct_start (d); 1107 } 1108 1109 /* 1110 * Process the received packet. 1111 */ 1112 static void ct_receive (ct_chan_t *c, char *data, int len) 1113 { 1114 drv_t *d = c->sys; 1115 struct mbuf *m; 1116 #ifdef NETGRAPH 1117 int error; 1118 #endif 1119 1120 if (!d || !d->running) 1121 return; 1122 1123 m = makembuf (data, len); 1124 if (! m) { 1125 CT_DEBUG (d, ("no memory for packet\n")); 1126 #ifndef NETGRAPH 1127 ++d->ifp->if_iqdrops; 1128 #endif 1129 return; 1130 } 1131 if (c->debug > 1) 1132 printmbuf (m); 1133 #ifdef NETGRAPH 1134 m->m_pkthdr.rcvif = 0; 1135 NG_SEND_DATA_ONLY (error, d->hook, m); 1136 #else 1137 ++d->ifp->if_ipackets; 1138 m->m_pkthdr.rcvif = d->ifp; 1139 /* Check if there's a BPF listener on this interface. 1140 * If so, hand off the raw packet to bpf. */ 1141 BPF_TAP (d->ifp, data, len); 1142 IF_ENQUEUE (&d->queue, m); 1143 #endif 1144 } 1145 1146 /* 1147 * Error callback function. 1148 */ 1149 static void ct_error (ct_chan_t *c, int data) 1150 { 1151 drv_t *d = c->sys; 1152 1153 if (!d) 1154 return; 1155 1156 switch (data) { 1157 case CT_FRAME: 1158 CT_DEBUG (d, ("frame error\n")); 1159 #ifndef NETGRAPH 1160 ++d->ifp->if_ierrors; 1161 #endif 1162 break; 1163 case CT_CRC: 1164 CT_DEBUG (d, ("crc error\n")); 1165 #ifndef NETGRAPH 1166 ++d->ifp->if_ierrors; 1167 #endif 1168 break; 1169 case CT_OVERRUN: 1170 CT_DEBUG (d, ("overrun error\n")); 1171 #ifndef NETGRAPH 1172 ++d->ifp->if_collisions; 1173 ++d->ifp->if_ierrors; 1174 #endif 1175 break; 1176 case CT_OVERFLOW: 1177 CT_DEBUG (d, ("overflow error\n")); 1178 #ifndef NETGRAPH 1179 ++d->ifp->if_ierrors; 1180 #endif 1181 break; 1182 case CT_UNDERRUN: 1183 CT_DEBUG (d, ("underrun error\n")); 1184 #ifdef NETGRAPH 1185 d->timeout = 0; 1186 #else 1187 ++d->ifp->if_oerrors; 1188 d->ifp->if_drv_flags &= ~IFF_DRV_OACTIVE; 1189 d->ifp->if_timer = 0; 1190 #endif 1191 ct_start (d); 1192 break; 1193 default: 1194 CT_DEBUG (d, ("error #%d\n", data)); 1195 } 1196 } 1197 1198 static int ct_open (struct cdev *dev, int oflags, int devtype, struct thread *td) 1199 { 1200 drv_t *d; 1201 1202 if (dev2unit(dev) >= NCTAU*NCHAN || ! (d = channel[dev2unit(dev)])) 1203 return ENXIO; 1204 1205 CT_DEBUG2 (d, ("ct_open\n")); 1206 return 0; 1207 } 1208 1209 static int ct_close (struct cdev *dev, int fflag, int devtype, struct thread *td) 1210 { 1211 drv_t *d = channel [dev2unit(dev)]; 1212 1213 if (!d) 1214 return 0; 1215 1216 CT_DEBUG2 (d, ("ct_close\n")); 1217 return 0; 1218 } 1219 1220 static int ct_modem_status (ct_chan_t *c) 1221 { 1222 drv_t *d = c->sys; 1223 bdrv_t *bd; 1224 int status, s; 1225 1226 if (!d) 1227 return 0; 1228 1229 bd = d->bd; 1230 1231 status = d->running ? TIOCM_LE : 0; 1232 s = splimp (); 1233 CT_LOCK (bd); 1234 if (ct_get_cd (c)) status |= TIOCM_CD; 1235 if (ct_get_cts (c)) status |= TIOCM_CTS; 1236 if (ct_get_dsr (c)) status |= TIOCM_DSR; 1237 if (c->dtr) status |= TIOCM_DTR; 1238 if (c->rts) status |= TIOCM_RTS; 1239 CT_UNLOCK (bd); 1240 splx (s); 1241 return status; 1242 } 1243 1244 /* 1245 * Process an ioctl request on /dev/cronyx/ctauN. 1246 */ 1247 static int ct_ioctl (struct cdev *dev, u_long cmd, caddr_t data, int flag, struct thread *td) 1248 { 1249 drv_t *d = channel [dev2unit (dev)]; 1250 bdrv_t *bd; 1251 ct_chan_t *c; 1252 struct serial_statistics *st; 1253 struct e1_statistics *opte1; 1254 int error, s; 1255 char mask[16]; 1256 1257 if (!d || !d->chan) 1258 return 0; 1259 1260 bd = d->bd; 1261 c = d->chan; 1262 1263 switch (cmd) { 1264 case SERIAL_GETREGISTERED: 1265 bzero (mask, sizeof(mask)); 1266 for (s=0; s<NCTAU*NCHAN; ++s) 1267 if (channel [s]) 1268 mask [s/8] |= 1 << (s & 7); 1269 bcopy (mask, data, sizeof (mask)); 1270 return 0; 1271 1272 #ifndef NETGRAPH 1273 case SERIAL_GETPROTO: 1274 strcpy ((char*)data, (IFP2SP(d->ifp)->pp_flags & PP_FR) ? "fr" : 1275 (d->ifp->if_flags & PP_CISCO) ? "cisco" : "ppp"); 1276 return 0; 1277 1278 case SERIAL_SETPROTO: 1279 /* Only for superuser! */ 1280 error = priv_check (td, PRIV_DRIVER); 1281 if (error) 1282 return error; 1283 if (d->ifp->if_drv_flags & IFF_DRV_RUNNING) 1284 return EBUSY; 1285 if (! strcmp ("cisco", (char*)data)) { 1286 IFP2SP(d->ifp)->pp_flags &= ~(PP_FR); 1287 IFP2SP(d->ifp)->pp_flags |= PP_KEEPALIVE; 1288 d->ifp->if_flags |= PP_CISCO; 1289 } else if (! strcmp ("fr", (char*)data)) { 1290 d->ifp->if_flags &= ~(PP_CISCO); 1291 IFP2SP(d->ifp)->pp_flags |= PP_FR | PP_KEEPALIVE; 1292 } else if (! strcmp ("ppp", (char*)data)) { 1293 IFP2SP(d->ifp)->pp_flags &= ~(PP_FR | PP_KEEPALIVE); 1294 d->ifp->if_flags &= ~(PP_CISCO); 1295 } else 1296 return EINVAL; 1297 return 0; 1298 1299 case SERIAL_GETKEEPALIVE: 1300 if ((IFP2SP(d->ifp)->pp_flags & PP_FR) || 1301 (d->ifp->if_flags & PP_CISCO)) 1302 return EINVAL; 1303 *(int*)data = (IFP2SP(d->ifp)->pp_flags & PP_KEEPALIVE) ? 1 : 0; 1304 return 0; 1305 1306 case SERIAL_SETKEEPALIVE: 1307 /* Only for superuser! */ 1308 error = priv_check (td, PRIV_DRIVER); 1309 if (error) 1310 return error; 1311 if ((IFP2SP(d->ifp)->pp_flags & PP_FR) || 1312 (d->ifp->if_flags & PP_CISCO)) 1313 return EINVAL; 1314 if (*(int*)data) 1315 IFP2SP(d->ifp)->pp_flags |= PP_KEEPALIVE; 1316 else 1317 IFP2SP(d->ifp)->pp_flags &= ~PP_KEEPALIVE; 1318 return 0; 1319 #endif /*NETGRAPH*/ 1320 1321 case SERIAL_GETMODE: 1322 *(int*)data = SERIAL_HDLC; 1323 return 0; 1324 1325 case SERIAL_GETCFG: 1326 if (c->mode == M_HDLC) 1327 return EINVAL; 1328 switch (ct_get_config (c->board)) { 1329 default: *(char*)data = 'a'; break; 1330 case CFG_B: *(char*)data = 'b'; break; 1331 case CFG_C: *(char*)data = 'c'; break; 1332 } 1333 return 0; 1334 1335 case SERIAL_SETCFG: 1336 /* Only for superuser! */ 1337 error = priv_check (td, PRIV_DRIVER); 1338 if (error) 1339 return error; 1340 if (c->mode == M_HDLC) 1341 return EINVAL; 1342 s = splimp (); 1343 CT_LOCK (bd); 1344 switch (*(char*)data) { 1345 case 'a': ct_set_config (c->board, CFG_A); break; 1346 case 'b': ct_set_config (c->board, CFG_B); break; 1347 case 'c': ct_set_config (c->board, CFG_C); break; 1348 } 1349 CT_UNLOCK (bd); 1350 splx (s); 1351 return 0; 1352 1353 case SERIAL_GETSTAT: 1354 st = (struct serial_statistics*) data; 1355 st->rintr = c->rintr; 1356 st->tintr = c->tintr; 1357 st->mintr = c->mintr; 1358 st->ibytes = c->ibytes; 1359 st->ipkts = c->ipkts; 1360 st->ierrs = c->ierrs; 1361 st->obytes = c->obytes; 1362 st->opkts = c->opkts; 1363 st->oerrs = c->oerrs; 1364 return 0; 1365 1366 case SERIAL_GETESTAT: 1367 opte1 = (struct e1_statistics*)data; 1368 opte1->status = c->status; 1369 opte1->cursec = c->cursec; 1370 opte1->totsec = c->totsec + c->cursec; 1371 1372 opte1->currnt.bpv = c->currnt.bpv; 1373 opte1->currnt.fse = c->currnt.fse; 1374 opte1->currnt.crce = c->currnt.crce; 1375 opte1->currnt.rcrce = c->currnt.rcrce; 1376 opte1->currnt.uas = c->currnt.uas; 1377 opte1->currnt.les = c->currnt.les; 1378 opte1->currnt.es = c->currnt.es; 1379 opte1->currnt.bes = c->currnt.bes; 1380 opte1->currnt.ses = c->currnt.ses; 1381 opte1->currnt.oofs = c->currnt.oofs; 1382 opte1->currnt.css = c->currnt.css; 1383 opte1->currnt.dm = c->currnt.dm; 1384 1385 opte1->total.bpv = c->total.bpv + c->currnt.bpv; 1386 opte1->total.fse = c->total.fse + c->currnt.fse; 1387 opte1->total.crce = c->total.crce + c->currnt.crce; 1388 opte1->total.rcrce = c->total.rcrce + c->currnt.rcrce; 1389 opte1->total.uas = c->total.uas + c->currnt.uas; 1390 opte1->total.les = c->total.les + c->currnt.les; 1391 opte1->total.es = c->total.es + c->currnt.es; 1392 opte1->total.bes = c->total.bes + c->currnt.bes; 1393 opte1->total.ses = c->total.ses + c->currnt.ses; 1394 opte1->total.oofs = c->total.oofs + c->currnt.oofs; 1395 opte1->total.css = c->total.css + c->currnt.css; 1396 opte1->total.dm = c->total.dm + c->currnt.dm; 1397 for (s=0; s<48; ++s) { 1398 opte1->interval[s].bpv = c->interval[s].bpv; 1399 opte1->interval[s].fse = c->interval[s].fse; 1400 opte1->interval[s].crce = c->interval[s].crce; 1401 opte1->interval[s].rcrce = c->interval[s].rcrce; 1402 opte1->interval[s].uas = c->interval[s].uas; 1403 opte1->interval[s].les = c->interval[s].les; 1404 opte1->interval[s].es = c->interval[s].es; 1405 opte1->interval[s].bes = c->interval[s].bes; 1406 opte1->interval[s].ses = c->interval[s].ses; 1407 opte1->interval[s].oofs = c->interval[s].oofs; 1408 opte1->interval[s].css = c->interval[s].css; 1409 opte1->interval[s].dm = c->interval[s].dm; 1410 } 1411 return 0; 1412 1413 case SERIAL_CLRSTAT: 1414 /* Only for superuser! */ 1415 error = priv_check (td, PRIV_DRIVER); 1416 if (error) 1417 return error; 1418 c->rintr = 0; 1419 c->tintr = 0; 1420 c->mintr = 0; 1421 c->ibytes = 0; 1422 c->ipkts = 0; 1423 c->ierrs = 0; 1424 c->obytes = 0; 1425 c->opkts = 0; 1426 c->oerrs = 0; 1427 bzero (&c->currnt, sizeof (c->currnt)); 1428 bzero (&c->total, sizeof (c->total)); 1429 bzero (c->interval, sizeof (c->interval)); 1430 return 0; 1431 1432 case SERIAL_GETBAUD: 1433 *(long*)data = ct_get_baud(c); 1434 return 0; 1435 1436 case SERIAL_SETBAUD: 1437 /* Only for superuser! */ 1438 error = priv_check (td, PRIV_DRIVER); 1439 if (error) 1440 return error; 1441 s = splimp (); 1442 CT_LOCK (bd); 1443 ct_set_baud (c, *(long*)data); 1444 CT_UNLOCK (bd); 1445 splx (s); 1446 return 0; 1447 1448 case SERIAL_GETLOOP: 1449 *(int*)data = ct_get_loop (c); 1450 return 0; 1451 1452 case SERIAL_SETLOOP: 1453 /* Only for superuser! */ 1454 error = priv_check (td, PRIV_DRIVER); 1455 if (error) 1456 return error; 1457 s = splimp (); 1458 CT_LOCK (bd); 1459 ct_set_loop (c, *(int*)data); 1460 CT_UNLOCK (bd); 1461 splx (s); 1462 return 0; 1463 1464 case SERIAL_GETDPLL: 1465 if (c->mode == M_E1 || c->mode == M_G703) 1466 return EINVAL; 1467 *(int*)data = ct_get_dpll (c); 1468 return 0; 1469 1470 case SERIAL_SETDPLL: 1471 /* Only for superuser! */ 1472 error = priv_check (td, PRIV_DRIVER); 1473 if (error) 1474 return error; 1475 if (c->mode == M_E1 || c->mode == M_G703) 1476 return EINVAL; 1477 s = splimp (); 1478 CT_LOCK (bd); 1479 ct_set_dpll (c, *(int*)data); 1480 CT_UNLOCK (bd); 1481 splx (s); 1482 return 0; 1483 1484 case SERIAL_GETNRZI: 1485 if (c->mode == M_E1 || c->mode == M_G703) 1486 return EINVAL; 1487 *(int*)data = ct_get_nrzi (c); 1488 return 0; 1489 1490 case SERIAL_SETNRZI: 1491 /* Only for superuser! */ 1492 error = priv_check (td, PRIV_DRIVER); 1493 if (error) 1494 return error; 1495 if (c->mode == M_E1 || c->mode == M_G703) 1496 return EINVAL; 1497 s = splimp (); 1498 CT_LOCK (bd); 1499 ct_set_nrzi (c, *(int*)data); 1500 CT_UNLOCK (bd); 1501 splx (s); 1502 return 0; 1503 1504 case SERIAL_GETDEBUG: 1505 *(int*)data = c->debug; 1506 return 0; 1507 1508 case SERIAL_SETDEBUG: 1509 /* Only for superuser! */ 1510 error = priv_check (td, PRIV_DRIVER); 1511 if (error) 1512 return error; 1513 #ifndef NETGRAPH 1514 /* 1515 * The debug_shadow is always greater than zero for logic 1516 * simplicity. For switching debug off the IFF_DEBUG is 1517 * responsible. 1518 */ 1519 c->debug_shadow = (*(int*)data) ? (*(int*)data) : 1; 1520 if (d->ifp->if_flags & IFF_DEBUG) 1521 c->debug = c->debug_shadow; 1522 #else 1523 c->debug = *(int*)data; 1524 #endif 1525 return 0; 1526 1527 case SERIAL_GETHIGAIN: 1528 if (c->mode != M_E1) 1529 return EINVAL; 1530 *(int*)data = ct_get_higain (c); 1531 return 0; 1532 1533 case SERIAL_SETHIGAIN: 1534 /* Only for superuser! */ 1535 error = priv_check (td, PRIV_DRIVER); 1536 if (error) 1537 return error; 1538 s = splimp (); 1539 CT_LOCK (bd); 1540 ct_set_higain (c, *(int*)data); 1541 CT_UNLOCK (bd); 1542 splx (s); 1543 return 0; 1544 1545 case SERIAL_GETPHONY: 1546 CT_DEBUG2 (d, ("ioctl: getphony\n")); 1547 if (c->mode != M_E1) 1548 return EINVAL; 1549 *(int*)data = c->gopt.phony; 1550 return 0; 1551 1552 case SERIAL_SETPHONY: 1553 CT_DEBUG2 (d, ("ioctl: setphony\n")); 1554 if (c->mode != M_E1) 1555 return EINVAL; 1556 /* Only for superuser! */ 1557 error = priv_check (td, PRIV_DRIVER); 1558 if (error) 1559 return error; 1560 s = splimp (); 1561 CT_LOCK (bd); 1562 ct_set_phony (c, *(int*)data); 1563 CT_UNLOCK (bd); 1564 splx (s); 1565 return 0; 1566 1567 case SERIAL_GETCLK: 1568 if (c->mode != M_E1 && c->mode != M_G703) 1569 return EINVAL; 1570 switch (ct_get_clk(c)) { 1571 default: *(int*)data = E1CLK_INTERNAL; break; 1572 case GCLK_RCV: *(int*)data = E1CLK_RECEIVE; break; 1573 case GCLK_RCLKO: *(int*)data = c->num ? 1574 E1CLK_RECEIVE_CHAN0 : E1CLK_RECEIVE_CHAN1; break; 1575 } 1576 return 0; 1577 1578 case SERIAL_SETCLK: 1579 /* Only for superuser! */ 1580 error = priv_check (td, PRIV_DRIVER); 1581 if (error) 1582 return error; 1583 s = splimp (); 1584 CT_LOCK (bd); 1585 switch (*(int*)data) { 1586 default: ct_set_clk (c, GCLK_INT); break; 1587 case E1CLK_RECEIVE: ct_set_clk (c, GCLK_RCV); break; 1588 case E1CLK_RECEIVE_CHAN0: 1589 case E1CLK_RECEIVE_CHAN1: 1590 ct_set_clk (c, GCLK_RCLKO); break; 1591 } 1592 CT_UNLOCK (bd); 1593 splx (s); 1594 return 0; 1595 1596 case SERIAL_GETTIMESLOTS: 1597 if (c->mode != M_E1) 1598 return EINVAL; 1599 *(long*)data = ct_get_ts (c); 1600 return 0; 1601 1602 case SERIAL_SETTIMESLOTS: 1603 /* Only for superuser! */ 1604 error = priv_check (td, PRIV_DRIVER); 1605 if (error) 1606 return error; 1607 s = splimp (); 1608 CT_LOCK (bd); 1609 ct_set_ts (c, *(long*)data); 1610 CT_UNLOCK (bd); 1611 splx (s); 1612 return 0; 1613 1614 case SERIAL_GETSUBCHAN: 1615 if (c->mode != M_E1) 1616 return EINVAL; 1617 *(long*)data = ct_get_subchan (c->board); 1618 return 0; 1619 1620 case SERIAL_SETSUBCHAN: 1621 /* Only for superuser! */ 1622 error = priv_check (td, PRIV_DRIVER); 1623 if (error) 1624 return error; 1625 s = splimp (); 1626 CT_LOCK (bd); 1627 ct_set_subchan (c->board, *(long*)data); 1628 CT_UNLOCK (bd); 1629 splx (s); 1630 return 0; 1631 1632 case SERIAL_GETINVCLK: 1633 case SERIAL_GETINVTCLK: 1634 if (c->mode == M_E1 || c->mode == M_G703) 1635 return EINVAL; 1636 *(int*)data = ct_get_invtxc (c); 1637 return 0; 1638 1639 case SERIAL_GETINVRCLK: 1640 if (c->mode == M_E1 || c->mode == M_G703) 1641 return EINVAL; 1642 *(int*)data = ct_get_invrxc (c); 1643 return 0; 1644 1645 case SERIAL_SETINVCLK: 1646 case SERIAL_SETINVTCLK: 1647 /* Only for superuser! */ 1648 error = priv_check (td, PRIV_DRIVER); 1649 if (error) 1650 return error; 1651 if (c->mode == M_E1 || c->mode == M_G703) 1652 return EINVAL; 1653 s = splimp (); 1654 CT_LOCK (bd); 1655 ct_set_invtxc (c, *(int*)data); 1656 CT_UNLOCK (bd); 1657 splx (s); 1658 return 0; 1659 1660 case SERIAL_SETINVRCLK: 1661 /* Only for superuser! */ 1662 error = priv_check (td, PRIV_DRIVER); 1663 if (error) 1664 return error; 1665 if (c->mode == M_E1 || c->mode == M_G703) 1666 return EINVAL; 1667 s = splimp (); 1668 CT_LOCK (bd); 1669 ct_set_invrxc (c, *(int*)data); 1670 CT_UNLOCK (bd); 1671 splx (s); 1672 return 0; 1673 1674 case SERIAL_GETLEVEL: 1675 if (c->mode != M_G703) 1676 return EINVAL; 1677 s = splimp (); 1678 CT_LOCK (bd); 1679 *(int*)data = ct_get_lq (c); 1680 CT_UNLOCK (bd); 1681 splx (s); 1682 return 0; 1683 1684 case TIOCSDTR: /* Set DTR */ 1685 s = splimp (); 1686 CT_LOCK (bd); 1687 ct_set_dtr (c, 1); 1688 CT_UNLOCK (bd); 1689 splx (s); 1690 return 0; 1691 1692 case TIOCCDTR: /* Clear DTR */ 1693 s = splimp (); 1694 CT_LOCK (bd); 1695 ct_set_dtr (c, 0); 1696 CT_UNLOCK (bd); 1697 splx (s); 1698 return 0; 1699 1700 case TIOCMSET: /* Set DTR/RTS */ 1701 s = splimp (); 1702 CT_LOCK (bd); 1703 ct_set_dtr (c, (*(int*)data & TIOCM_DTR) ? 1 : 0); 1704 ct_set_rts (c, (*(int*)data & TIOCM_RTS) ? 1 : 0); 1705 CT_UNLOCK (bd); 1706 splx (s); 1707 return 0; 1708 1709 case TIOCMBIS: /* Add DTR/RTS */ 1710 s = splimp (); 1711 CT_LOCK (bd); 1712 if (*(int*)data & TIOCM_DTR) ct_set_dtr (c, 1); 1713 if (*(int*)data & TIOCM_RTS) ct_set_rts (c, 1); 1714 CT_UNLOCK (bd); 1715 splx (s); 1716 return 0; 1717 1718 case TIOCMBIC: /* Clear DTR/RTS */ 1719 s = splimp (); 1720 CT_LOCK (bd); 1721 if (*(int*)data & TIOCM_DTR) ct_set_dtr (c, 0); 1722 if (*(int*)data & TIOCM_RTS) ct_set_rts (c, 0); 1723 CT_UNLOCK (bd); 1724 splx (s); 1725 return 0; 1726 1727 case TIOCMGET: /* Get modem status */ 1728 *(int*)data = ct_modem_status (c); 1729 return 0; 1730 } 1731 return ENOTTY; 1732 } 1733 1734 #ifdef NETGRAPH 1735 static int ng_ct_constructor (node_p node) 1736 { 1737 drv_t *d = NG_NODE_PRIVATE (node); 1738 CT_DEBUG (d, ("Constructor\n")); 1739 return EINVAL; 1740 } 1741 1742 static int ng_ct_newhook (node_p node, hook_p hook, const char *name) 1743 { 1744 int s; 1745 drv_t *d = NG_NODE_PRIVATE (node); 1746 1747 if (!d) 1748 return EINVAL; 1749 1750 bdrv_t *bd = d->bd; 1751 1752 /* Attach debug hook */ 1753 if (strcmp (name, NG_CT_HOOK_DEBUG) == 0) { 1754 NG_HOOK_SET_PRIVATE (hook, NULL); 1755 d->debug_hook = hook; 1756 return 0; 1757 } 1758 1759 /* Check for raw hook */ 1760 if (strcmp (name, NG_CT_HOOK_RAW) != 0) 1761 return EINVAL; 1762 1763 NG_HOOK_SET_PRIVATE (hook, d); 1764 d->hook = hook; 1765 s = splimp (); 1766 CT_LOCK (bd); 1767 ct_up (d); 1768 CT_UNLOCK (bd); 1769 splx (s); 1770 return 0; 1771 } 1772 1773 static char *format_timeslots (u_long s) 1774 { 1775 static char buf [100]; 1776 char *p = buf; 1777 int i; 1778 1779 for (i=1; i<32; ++i) 1780 if ((s >> i) & 1) { 1781 int prev = (i > 1) & (s >> (i-1)); 1782 int next = (i < 31) & (s >> (i+1)); 1783 1784 if (prev) { 1785 if (next) 1786 continue; 1787 *p++ = '-'; 1788 } else if (p > buf) 1789 *p++ = ','; 1790 1791 if (i >= 10) 1792 *p++ = '' + i / 10; 1793 *p++ = '' + i % 10; 1794 } 1795 *p = 0; 1796 return buf; 1797 } 1798 1799 static int print_modems (char *s, ct_chan_t *c, int need_header) 1800 { 1801 int status = ct_modem_status (c); 1802 int length = 0; 1803 1804 if (need_header) 1805 length += sprintf (s + length, " LE DTR DSR RTS CTS CD\n"); 1806 length += sprintf (s + length, "%4s %4s %4s %4s %4s %4s\n", 1807 status & TIOCM_LE ? "On" : "-", 1808 status & TIOCM_DTR ? "On" : "-", 1809 status & TIOCM_DSR ? "On" : "-", 1810 status & TIOCM_RTS ? "On" : "-", 1811 status & TIOCM_CTS ? "On" : "-", 1812 status & TIOCM_CD ? "On" : "-"); 1813 return length; 1814 } 1815 1816 static int print_stats (char *s, ct_chan_t *c, int need_header) 1817 { 1818 struct serial_statistics st; 1819 int length = 0; 1820 1821 st.rintr = c->rintr; 1822 st.tintr = c->tintr; 1823 st.mintr = c->mintr; 1824 st.ibytes = c->ibytes; 1825 st.ipkts = c->ipkts; 1826 st.ierrs = c->ierrs; 1827 st.obytes = c->obytes; 1828 st.opkts = c->opkts; 1829 st.oerrs = c->oerrs; 1830 if (need_header) 1831 length += sprintf (s + length, " Rintr Tintr Mintr Ibytes Ipkts Ierrs Obytes Opkts Oerrs\n"); 1832 length += sprintf (s + length, "%7ld %7ld %7ld %8ld %7ld %7ld %8ld %7ld %7ld\n", 1833 st.rintr, st.tintr, st.mintr, st.ibytes, st.ipkts, 1834 st.ierrs, st.obytes, st.opkts, st.oerrs); 1835 return length; 1836 } 1837 1838 static char *format_e1_status (u_char status) 1839 { 1840 static char buf [80]; 1841 1842 if (status & E1_NOALARM) 1843 return "Ok"; 1844 buf[0] = 0; 1845 if (status & E1_LOS) strcat (buf, ",LOS"); 1846 if (status & E1_AIS) strcat (buf, ",AIS"); 1847 if (status & E1_LOF) strcat (buf, ",LOF"); 1848 if (status & E1_LOMF) strcat (buf, ",LOMF"); 1849 if (status & E1_FARLOF) strcat (buf, ",FARLOF"); 1850 if (status & E1_AIS16) strcat (buf, ",AIS16"); 1851 if (status & E1_FARLOMF) strcat (buf, ",FARLOMF"); 1852 if (status & E1_TSTREQ) strcat (buf, ",TSTREQ"); 1853 if (status & E1_TSTERR) strcat (buf, ",TSTERR"); 1854 if (buf[0] == ',') 1855 return buf+1; 1856 return "Unknown"; 1857 } 1858 1859 static int print_frac (char *s, int leftalign, u_long numerator, u_long divider) 1860 { 1861 int n, length = 0; 1862 1863 if (numerator < 1 || divider < 1) { 1864 length += sprintf (s+length, leftalign ? "/- " : " -"); 1865 return length; 1866 } 1867 n = (int) (0.5 + 1000.0 * numerator / divider); 1868 if (n < 1000) { 1869 length += sprintf (s+length, leftalign ? "/.%-3d" : " .%03d", n); 1870 return length; 1871 } 1872 *(s + length) = leftalign ? '/' : ' '; 1873 length ++; 1874 1875 if (n >= 1000000) n = (n+500) / 1000 * 1000; 1876 else if (n >= 100000) n = (n+50) / 100 * 100; 1877 else if (n >= 10000) n = (n+5) / 10 * 10; 1878 1879 switch (n) { 1880 case 1000: length += printf (s+length, ".999"); return length; 1881 case 10000: n = 9990; break; 1882 case 100000: n = 99900; break; 1883 case 1000000: n = 999000; break; 1884 } 1885 if (n < 10000) length += sprintf (s+length, "%d.%d", n/1000, n/10%100); 1886 else if (n < 100000) length += sprintf (s+length, "%d.%d", n/1000, n/100%10); 1887 else if (n < 1000000) length += sprintf (s+length, "%d.", n/1000); 1888 else length += sprintf (s+length, "%d", n/1000); 1889 1890 return length; 1891 } 1892 1893 static int print_e1_stats (char *s, ct_chan_t *c) 1894 { 1895 struct e1_counters total; 1896 u_long totsec; 1897 int length = 0; 1898 1899 totsec = c->totsec + c->cursec; 1900 total.bpv = c->total.bpv + c->currnt.bpv; 1901 total.fse = c->total.fse + c->currnt.fse; 1902 total.crce = c->total.crce + c->currnt.crce; 1903 total.rcrce = c->total.rcrce + c->currnt.rcrce; 1904 total.uas = c->total.uas + c->currnt.uas; 1905 total.les = c->total.les + c->currnt.les; 1906 total.es = c->total.es + c->currnt.es; 1907 total.bes = c->total.bes + c->currnt.bes; 1908 total.ses = c->total.ses + c->currnt.ses; 1909 total.oofs = c->total.oofs + c->currnt.oofs; 1910 total.css = c->total.css + c->currnt.css; 1911 total.dm = c->total.dm + c->currnt.dm; 1912 1913 length += sprintf (s + length, " Unav/Degr Bpv/Fsyn CRC/RCRC Err/Lerr Sev/Bur Oof/Slp Status\n"); 1914 1915 /* Unavailable seconds, degraded minutes */ 1916 length += print_frac (s + length, 0, c->currnt.uas, c->cursec); 1917 length += print_frac (s + length, 1, 60 * c->currnt.dm, c->cursec); 1918 1919 /* Bipolar violations, frame sync errors */ 1920 length += print_frac (s + length, 0, c->currnt.bpv, c->cursec); 1921 length += print_frac (s + length, 1, c->currnt.fse, c->cursec); 1922 1923 /* CRC errors, remote CRC errors (E-bit) */ 1924 length += print_frac (s + length, 0, c->currnt.crce, c->cursec); 1925 length += print_frac (s + length, 1, c->currnt.rcrce, c->cursec); 1926 1927 /* Errored seconds, line errored seconds */ 1928 length += print_frac (s + length, 0, c->currnt.es, c->cursec); 1929 length += print_frac (s + length, 1, c->currnt.les, c->cursec); 1930 1931 /* Severely errored seconds, burst errored seconds */ 1932 length += print_frac (s + length, 0, c->currnt.ses, c->cursec); 1933 length += print_frac (s + length, 1, c->currnt.bes, c->cursec); 1934 1935 /* Out of frame seconds, controlled slip seconds */ 1936 length += print_frac (s + length, 0, c->currnt.oofs, c->cursec); 1937 length += print_frac (s + length, 1, c->currnt.css, c->cursec); 1938 1939 length += sprintf (s + length, " %s\n", format_e1_status (c->status)); 1940 1941 /* Print total statistics. */ 1942 length += print_frac (s + length, 0, total.uas, totsec); 1943 length += print_frac (s + length, 1, 60 * total.dm, totsec); 1944 1945 length += print_frac (s + length, 0, total.bpv, totsec); 1946 length += print_frac (s + length, 1, total.fse, totsec); 1947 1948 length += print_frac (s + length, 0, total.crce, totsec); 1949 length += print_frac (s + length, 1, total.rcrce, totsec); 1950 1951 length += print_frac (s + length, 0, total.es, totsec); 1952 length += print_frac (s + length, 1, total.les, totsec); 1953 1954 length += print_frac (s + length, 0, total.ses, totsec); 1955 length += print_frac (s + length, 1, total.bes, totsec); 1956 1957 length += print_frac (s + length, 0, total.oofs, totsec); 1958 length += print_frac (s + length, 1, total.css, totsec); 1959 1960 length += sprintf (s + length, " -- Total\n"); 1961 return length; 1962 } 1963 1964 static int print_chan (char *s, ct_chan_t *c) 1965 { 1966 drv_t *d = c->sys; 1967 bdrv_t *bd = d->bd; 1968 int length = 0; 1969 1970 length += sprintf (s + length, "ct%d", c->board->num * NCHAN + c->num); 1971 if (d->chan->debug) 1972 length += sprintf (s + length, " debug=%d", d->chan->debug); 1973 1974 switch (ct_get_config (c->board)) { 1975 case CFG_A: length += sprintf (s + length, " cfg=A"); break; 1976 case CFG_B: length += sprintf (s + length, " cfg=B"); break; 1977 case CFG_C: length += sprintf (s + length, " cfg=C"); break; 1978 default: length += sprintf (s + length, " cfg=unknown"); break; 1979 } 1980 1981 if (ct_get_baud (c)) 1982 length += sprintf (s + length, " %ld", ct_get_baud (c)); 1983 else 1984 length += sprintf (s + length, " extclock"); 1985 1986 if (c->mode == M_E1 || c->mode == M_G703) 1987 switch (ct_get_clk(c)) { 1988 case GCLK_INT : length += sprintf (s + length, " syn=int"); break; 1989 case GCLK_RCV : length += sprintf (s + length, " syn=rcv"); break; 1990 case GCLK_RCLKO : length += sprintf (s + length, " syn=xrcv"); break; 1991 } 1992 if (c->mode == M_HDLC) { 1993 length += sprintf (s + length, " dpll=%s", ct_get_dpll (c) ? "on" : "off"); 1994 length += sprintf (s + length, " nrzi=%s", ct_get_nrzi (c) ? "on" : "off"); 1995 length += sprintf (s + length, " invtclk=%s", ct_get_invtxc (c) ? "on" : "off"); 1996 length += sprintf (s + length, " invrclk=%s", ct_get_invrxc (c) ? "on" : "off"); 1997 } 1998 if (c->mode == M_E1) 1999 length += sprintf (s + length, " higain=%s", ct_get_higain (c)? "on" : "off"); 2000 2001 length += sprintf (s + length, " loop=%s", ct_get_loop (c) ? "on" : "off"); 2002 2003 if (c->mode == M_E1) 2004 length += sprintf (s + length, " ts=%s", format_timeslots (ct_get_ts(c))); 2005 if (c->mode == M_E1 && ct_get_config (c->board) != CFG_A) 2006 length += sprintf (s + length, " pass=%s", format_timeslots (ct_get_subchan(c->board))); 2007 if (c->mode == M_G703) { 2008 int lq, x; 2009 2010 x = splimp (); 2011 CT_LOCK (bd); 2012 lq = ct_get_lq (c); 2013 CT_UNLOCK (bd); 2014 splx (x); 2015 length += sprintf (s + length, " (level=-%.1fdB)", lq / 10.0); 2016 } 2017 length += sprintf (s + length, "\n"); 2018 return length; 2019 } 2020 2021 static int ng_ct_rcvmsg (node_p node, item_p item, hook_p lasthook) 2022 { 2023 drv_t *d = NG_NODE_PRIVATE (node); 2024 struct ng_mesg *msg; 2025 struct ng_mesg *resp = NULL; 2026 int error = 0; 2027 2028 if (!d) 2029 return EINVAL; 2030 2031 CT_DEBUG (d, ("Rcvmsg\n")); 2032 NGI_GET_MSG (item, msg); 2033 switch (msg->header.typecookie) { 2034 default: 2035 error = EINVAL; 2036 break; 2037 2038 case NGM_CT_COOKIE: 2039 printf ("Don't forget to implement\n"); 2040 error = EINVAL; 2041 break; 2042 2043 case NGM_GENERIC_COOKIE: 2044 switch (msg->header.cmd) { 2045 default: 2046 error = EINVAL; 2047 break; 2048 2049 case NGM_TEXT_STATUS: { 2050 char *s; 2051 int l = 0; 2052 int dl = sizeof (struct ng_mesg) + 730; 2053 2054 NG_MKRESPONSE (resp, msg, dl, M_NOWAIT); 2055 if (! resp) { 2056 error = ENOMEM; 2057 break; 2058 } 2059 s = (resp)->data; 2060 l += print_chan (s + l, d->chan); 2061 l += print_stats (s + l, d->chan, 1); 2062 l += print_modems (s + l, d->chan, 1); 2063 l += print_e1_stats (s + l, d->chan); 2064 strncpy ((resp)->header.cmdstr, "status", NG_CMDSTRSIZ); 2065 } 2066 break; 2067 } 2068 break; 2069 } 2070 NG_RESPOND_MSG (error, node, item, resp); 2071 NG_FREE_MSG (msg); 2072 return error; 2073 } 2074 2075 static int ng_ct_rcvdata (hook_p hook, item_p item) 2076 { 2077 drv_t *d = NG_NODE_PRIVATE (NG_HOOK_NODE(hook)); 2078 struct mbuf *m; 2079 struct ng_tag_prio *ptag; 2080 bdrv_t *bd; 2081 struct ifqueue *q; 2082 int s; 2083 2084 if (!d) 2085 return ENETDOWN; 2086 2087 bd = d->bd; 2088 NGI_GET_M (item, m); 2089 NG_FREE_ITEM (item); 2090 if (! NG_HOOK_PRIVATE (hook) || ! d) { 2091 NG_FREE_M (m); 2092 return ENETDOWN; 2093 } 2094 2095 /* Check for high priority data */ 2096 if ((ptag = (struct ng_tag_prio *)m_tag_locate(m, NGM_GENERIC_COOKIE, 2097 NG_TAG_PRIO, NULL)) != NULL && (ptag->priority > NG_PRIO_CUTOFF) ) 2098 q = &d->hi_queue; 2099 else 2100 q = &d->queue; 2101 2102 s = splimp (); 2103 CT_LOCK (bd); 2104 IF_LOCK (q); 2105 if (_IF_QFULL (q)) { 2106 _IF_DROP (q); 2107 IF_UNLOCK (q); 2108 CT_UNLOCK (bd); 2109 splx (s); 2110 NG_FREE_M (m); 2111 return ENOBUFS; 2112 } 2113 _IF_ENQUEUE (q, m); 2114 IF_UNLOCK (q); 2115 ct_start (d); 2116 CT_UNLOCK (bd); 2117 splx (s); 2118 return 0; 2119 } 2120 2121 static int ng_ct_rmnode (node_p node) 2122 { 2123 drv_t *d = NG_NODE_PRIVATE (node); 2124 bdrv_t *bd; 2125 2126 CT_DEBUG (d, ("Rmnode\n")); 2127 if (d && d->running) { 2128 bd = d->bd; 2129 int s = splimp (); 2130 CT_LOCK (bd); 2131 ct_down (d); 2132 CT_UNLOCK (bd); 2133 splx (s); 2134 } 2135 #ifdef KLD_MODULE 2136 if (node->nd_flags & NGF_REALLY_DIE) { 2137 NG_NODE_SET_PRIVATE (node, NULL); 2138 NG_NODE_UNREF (node); 2139 } 2140 NG_NODE_REVIVE(node); /* Persistant node */ 2141 #endif 2142 return 0; 2143 } 2144 2145 static void ng_ct_watchdog (void *arg) 2146 { 2147 drv_t *d = arg; 2148 2149 if (!d) 2150 return; 2151 2152 if (d->timeout == 1) 2153 ct_watchdog (d); 2154 if (d->timeout) 2155 d->timeout--; 2156 callout_reset (&d->timeout_handle, hz, ng_ct_watchdog, d); 2157 } 2158 2159 static int ng_ct_connect (hook_p hook) 2160 { 2161 drv_t *d = NG_NODE_PRIVATE (NG_HOOK_NODE (hook)); 2162 2163 if (!d) 2164 return 0; 2165 2166 callout_reset (&d->timeout_handle, hz, ng_ct_watchdog, d); 2167 return 0; 2168 } 2169 2170 static int ng_ct_disconnect (hook_p hook) 2171 { 2172 drv_t *d = NG_NODE_PRIVATE (NG_HOOK_NODE (hook)); 2173 bdrv_t *bd; 2174 2175 if (!d) 2176 return 0; 2177 2178 bd = d->bd; 2179 2180 CT_LOCK (bd); 2181 if (NG_HOOK_PRIVATE (hook)) 2182 ct_down (d); 2183 CT_UNLOCK (bd); 2184 /* If we were wait it than it reasserted now, just stop it. */ 2185 if (!callout_drain (&d->timeout_handle)) 2186 callout_stop (&d->timeout_handle); 2187 return 0; 2188 } 2189 #endif 2190 2191 static int ct_modevent (module_t mod, int type, void *unused) 2192 { 2193 static int load_count = 0; 2194 2195 switch (type) { 2196 case MOD_LOAD: 2197 #ifdef NETGRAPH 2198 if (ng_newtype (&typestruct)) 2199 printf ("Failed to register ng_ct\n"); 2200 #endif 2201 ++load_count; 2202 callout_init (&timeout_handle, CALLOUT_MPSAFE); 2203 callout_reset (&timeout_handle, hz*5, ct_timeout, 0); 2204 break; 2205 case MOD_UNLOAD: 2206 if (load_count == 1) { 2207 printf ("Removing device entry for Tau-ISA\n"); 2208 #ifdef NETGRAPH 2209 ng_rmtype (&typestruct); 2210 #endif 2211 } 2212 /* If we were wait it than it reasserted now, just stop it. */ 2213 if (!callout_drain (&timeout_handle)) 2214 callout_stop (&timeout_handle); 2215 --load_count; 2216 break; 2217 case MOD_SHUTDOWN: 2218 break; 2219 } 2220 return 0; 2221 } 2222 2223 #ifdef NETGRAPH 2224 static struct ng_type typestruct = { 2225 .version = NG_ABI_VERSION, 2226 .name = NG_CT_NODE_TYPE, 2227 .constructor = ng_ct_constructor, 2228 .rcvmsg = ng_ct_rcvmsg, 2229 .shutdown = ng_ct_rmnode, 2230 .newhook = ng_ct_newhook, 2231 .connect = ng_ct_connect, 2232 .rcvdata = ng_ct_rcvdata, 2233 .disconnect = ng_ct_disconnect, 2234 }; 2235 #endif /*NETGRAPH*/ 2236 2237 #ifdef NETGRAPH 2238 MODULE_DEPEND (ng_ct, netgraph, NG_ABI_VERSION, NG_ABI_VERSION, NG_ABI_VERSION); 2239 #else 2240 MODULE_DEPEND (ct, sppp, 1, 1, 1); 2241 #endif 2242 DRIVER_MODULE (ct, isa, ct_isa_driver, ct_devclass, ct_modevent, NULL); 2243 MODULE_VERSION (ct, 1);
Cache object: 48d667b4130fccb09e3e027f05009a34
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