Now available: The Design and Implementation of the FreeBSD Operating System (Second Edition)
[ source navigation ] [ diff markup ] [ identifier search ] [ freetext search ] [ file search ] [ list types ] [ track identifier ]
FreeBSD/Linux Kernel Cross Reference
sys/compat/ndis/kern_ndis.c
Version:
- FREEBSD - FREEBSD-13-STABLE - FREEBSD-13-0 - FREEBSD-12-STABLE - FREEBSD-12-0 - FREEBSD-11-STABLE - FREEBSD-11-0 - FREEBSD-10-STABLE - FREEBSD-10-0 - FREEBSD-9-STABLE - FREEBSD-9-0 - FREEBSD-8-STABLE - FREEBSD-8-0 - FREEBSD-7-STABLE - FREEBSD-7-0 - FREEBSD-6-STABLE - FREEBSD-6-0 - FREEBSD-5-STABLE - FREEBSD-5-0 - FREEBSD-4-STABLE - FREEBSD-3-STABLE - FREEBSD22 - l41 - OPENBSD - linux-2.6 - MK84 - PLAN9 - xnu-8792
SearchContext: - none - 3 - 10
SearchContext: - none - 3 - 10
1 /*- 2 * Copyright (c) 2003 3 * Bill Paul <wpaul@windriver.com>. All rights reserved. 4 * 5 * Redistribution and use in source and binary forms, with or without 6 * modification, are permitted provided that the following conditions 7 * are met: 8 * 1. Redistributions of source code must retain the above copyright 9 * notice, this list of conditions and the following disclaimer. 10 * 2. Redistributions in binary form must reproduce the above copyright 11 * notice, this list of conditions and the following disclaimer in the 12 * documentation and/or other materials provided with the distribution. 13 * 3. All advertising materials mentioning features or use of this software 14 * must display the following acknowledgement: 15 * This product includes software developed by Bill Paul. 16 * 4. Neither the name of the author nor the names of any co-contributors 17 * may be used to endorse or promote products derived from this software 18 * without specific prior written permission. 19 * 20 * THIS SOFTWARE IS PROVIDED BY Bill Paul AND CONTRIBUTORS ``AS IS'' AND 21 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 22 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 23 * ARE DISCLAIMED. IN NO EVENT SHALL Bill Paul OR THE VOICES IN HIS HEAD 24 * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR 25 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF 26 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS 27 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN 28 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) 29 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF 30 * THE POSSIBILITY OF SUCH DAMAGE. 31 */ 32 33 #include <sys/cdefs.h> 34 __FBSDID("$FreeBSD$"); 35 36 #include <sys/param.h> 37 #include <sys/systm.h> 38 #include <sys/unistd.h> 39 #include <sys/types.h> 40 #include <sys/errno.h> 41 #include <sys/callout.h> 42 #include <sys/socket.h> 43 #include <sys/queue.h> 44 #include <sys/sysctl.h> 45 #include <sys/proc.h> 46 #include <sys/malloc.h> 47 #include <sys/lock.h> 48 #include <sys/mutex.h> 49 #include <sys/conf.h> 50 51 #include <sys/kernel.h> 52 #include <sys/module.h> 53 #include <sys/kthread.h> 54 #include <machine/bus.h> 55 #include <machine/resource.h> 56 #include <sys/bus.h> 57 #include <sys/rman.h> 58 59 #include <net/if.h> 60 #include <net/if_arp.h> 61 #include <net/ethernet.h> 62 #include <net/if_dl.h> 63 #include <net/if_media.h> 64 65 #include <net80211/ieee80211_var.h> 66 #include <net80211/ieee80211_ioctl.h> 67 68 #include <dev/usb/usb.h> 69 #include <dev/usb/usbdi.h> 70 71 #include <compat/ndis/pe_var.h> 72 #include <compat/ndis/cfg_var.h> 73 #include <compat/ndis/resource_var.h> 74 #include <compat/ndis/ntoskrnl_var.h> 75 #include <compat/ndis/ndis_var.h> 76 #include <compat/ndis/hal_var.h> 77 #include <compat/ndis/usbd_var.h> 78 #include <dev/if_ndis/if_ndisvar.h> 79 80 #define NDIS_DUMMY_PATH "\\\\some\\bogus\\path" 81 82 static void ndis_status_func(ndis_handle, ndis_status, void *, uint32_t); 83 static void ndis_statusdone_func(ndis_handle); 84 static void ndis_setdone_func(ndis_handle, ndis_status); 85 static void ndis_getdone_func(ndis_handle, ndis_status); 86 static void ndis_resetdone_func(ndis_handle, ndis_status, uint8_t); 87 static void ndis_sendrsrcavail_func(ndis_handle); 88 static void ndis_intrsetup(kdpc *, device_object *, 89 irp *, struct ndis_softc *); 90 static void ndis_return(device_object *, void *); 91 92 static image_patch_table kernndis_functbl[] = { 93 IMPORT_SFUNC(ndis_status_func, 4), 94 IMPORT_SFUNC(ndis_statusdone_func, 1), 95 IMPORT_SFUNC(ndis_setdone_func, 2), 96 IMPORT_SFUNC(ndis_getdone_func, 2), 97 IMPORT_SFUNC(ndis_resetdone_func, 3), 98 IMPORT_SFUNC(ndis_sendrsrcavail_func, 1), 99 IMPORT_SFUNC(ndis_intrsetup, 4), 100 IMPORT_SFUNC(ndis_return, 1), 101 102 { NULL, NULL, NULL } 103 }; 104 105 static struct nd_head ndis_devhead; 106 107 /* 108 * This allows us to export our symbols to other modules. 109 * Note that we call ourselves 'ndisapi' to avoid a namespace 110 * collision with if_ndis.ko, which internally calls itself 111 * 'ndis.' 112 * 113 * Note: some of the subsystems depend on each other, so the 114 * order in which they're started is important. The order of 115 * importance is: 116 * 117 * HAL - spinlocks and IRQL manipulation 118 * ntoskrnl - DPC and workitem threads, object waiting 119 * windrv - driver/device registration 120 * 121 * The HAL should also be the last thing shut down, since 122 * the ntoskrnl subsystem will use spinlocks right up until 123 * the DPC and workitem threads are terminated. 124 */ 125 126 static int 127 ndis_modevent(module_t mod, int cmd, void *arg) 128 { 129 int error = 0; 130 image_patch_table *patch; 131 132 switch (cmd) { 133 case MOD_LOAD: 134 /* Initialize subsystems */ 135 hal_libinit(); 136 ntoskrnl_libinit(); 137 windrv_libinit(); 138 ndis_libinit(); 139 usbd_libinit(); 140 141 patch = kernndis_functbl; 142 while (patch->ipt_func != NULL) { 143 windrv_wrap((funcptr)patch->ipt_func, 144 (funcptr *)&patch->ipt_wrap, 145 patch->ipt_argcnt, patch->ipt_ftype); 146 patch++; 147 } 148 149 TAILQ_INIT(&ndis_devhead); 150 break; 151 case MOD_SHUTDOWN: 152 if (TAILQ_FIRST(&ndis_devhead) == NULL) { 153 /* Shut down subsystems */ 154 ndis_libfini(); 155 usbd_libfini(); 156 windrv_libfini(); 157 ntoskrnl_libfini(); 158 hal_libfini(); 159 160 patch = kernndis_functbl; 161 while (patch->ipt_func != NULL) { 162 windrv_unwrap(patch->ipt_wrap); 163 patch++; 164 } 165 } 166 break; 167 case MOD_UNLOAD: 168 /* Shut down subsystems */ 169 ndis_libfini(); 170 usbd_libfini(); 171 windrv_libfini(); 172 ntoskrnl_libfini(); 173 hal_libfini(); 174 175 patch = kernndis_functbl; 176 while (patch->ipt_func != NULL) { 177 windrv_unwrap(patch->ipt_wrap); 178 patch++; 179 } 180 181 break; 182 default: 183 error = EINVAL; 184 break; 185 } 186 187 return (error); 188 } 189 DEV_MODULE(ndisapi, ndis_modevent, NULL); 190 MODULE_VERSION(ndisapi, 1); 191 192 static void 193 ndis_sendrsrcavail_func(adapter) 194 ndis_handle adapter; 195 { 196 } 197 198 static void 199 ndis_status_func(adapter, status, sbuf, slen) 200 ndis_handle adapter; 201 ndis_status status; 202 void *sbuf; 203 uint32_t slen; 204 { 205 ndis_miniport_block *block; 206 struct ndis_softc *sc; 207 struct ifnet *ifp; 208 209 block = adapter; 210 sc = device_get_softc(block->nmb_physdeviceobj->do_devext); 211 ifp = sc->ifp; 212 if (ifp->if_flags & IFF_DEBUG) 213 device_printf(sc->ndis_dev, "status: %x\n", status); 214 } 215 216 static void 217 ndis_statusdone_func(adapter) 218 ndis_handle adapter; 219 { 220 ndis_miniport_block *block; 221 struct ndis_softc *sc; 222 struct ifnet *ifp; 223 224 block = adapter; 225 sc = device_get_softc(block->nmb_physdeviceobj->do_devext); 226 ifp = sc->ifp; 227 if (ifp->if_flags & IFF_DEBUG) 228 device_printf(sc->ndis_dev, "status complete\n"); 229 } 230 231 static void 232 ndis_setdone_func(adapter, status) 233 ndis_handle adapter; 234 ndis_status status; 235 { 236 ndis_miniport_block *block; 237 block = adapter; 238 239 block->nmb_setstat = status; 240 KeSetEvent(&block->nmb_setevent, IO_NO_INCREMENT, FALSE); 241 } 242 243 static void 244 ndis_getdone_func(adapter, status) 245 ndis_handle adapter; 246 ndis_status status; 247 { 248 ndis_miniport_block *block; 249 block = adapter; 250 251 block->nmb_getstat = status; 252 KeSetEvent(&block->nmb_getevent, IO_NO_INCREMENT, FALSE); 253 } 254 255 static void 256 ndis_resetdone_func(ndis_handle adapter, ndis_status status, 257 uint8_t addressingreset) 258 { 259 ndis_miniport_block *block; 260 struct ndis_softc *sc; 261 struct ifnet *ifp; 262 263 block = adapter; 264 sc = device_get_softc(block->nmb_physdeviceobj->do_devext); 265 ifp = sc->ifp; 266 267 if (ifp->if_flags & IFF_DEBUG) 268 device_printf(sc->ndis_dev, "reset done...\n"); 269 KeSetEvent(&block->nmb_resetevent, IO_NO_INCREMENT, FALSE); 270 } 271 272 int 273 ndis_create_sysctls(arg) 274 void *arg; 275 { 276 struct ndis_softc *sc; 277 ndis_cfg *vals; 278 char buf[256]; 279 struct sysctl_oid *oidp; 280 struct sysctl_ctx_entry *e; 281 282 if (arg == NULL) 283 return (EINVAL); 284 285 sc = arg; 286 vals = sc->ndis_regvals; 287 288 TAILQ_INIT(&sc->ndis_cfglist_head); 289 290 /* Add the driver-specific registry keys. */ 291 292 while(1) { 293 if (vals->nc_cfgkey == NULL) 294 break; 295 296 if (vals->nc_idx != sc->ndis_devidx) { 297 vals++; 298 continue; 299 } 300 301 /* See if we already have a sysctl with this name */ 302 303 oidp = NULL; 304 TAILQ_FOREACH(e, device_get_sysctl_ctx(sc->ndis_dev), link) { 305 oidp = e->entry; 306 if (strcasecmp(oidp->oid_name, vals->nc_cfgkey) == 0) 307 break; 308 oidp = NULL; 309 } 310 311 if (oidp != NULL) { 312 vals++; 313 continue; 314 } 315 316 ndis_add_sysctl(sc, vals->nc_cfgkey, vals->nc_cfgdesc, 317 vals->nc_val, CTLFLAG_RW); 318 vals++; 319 } 320 321 /* Now add a couple of builtin keys. */ 322 323 /* 324 * Environment can be either Windows (0) or WindowsNT (1). 325 * We qualify as the latter. 326 */ 327 ndis_add_sysctl(sc, "Environment", 328 "Windows environment", "1", CTLFLAG_RD); 329 330 /* NDIS version should be 5.1. */ 331 ndis_add_sysctl(sc, "NdisVersion", 332 "NDIS API Version", "0x00050001", CTLFLAG_RD); 333 334 /* 335 * Some miniport drivers rely on the existence of the SlotNumber, 336 * NetCfgInstanceId and DriverDesc keys. 337 */ 338 ndis_add_sysctl(sc, "SlotNumber", "Slot Numer", "01", CTLFLAG_RD); 339 ndis_add_sysctl(sc, "NetCfgInstanceId", "NetCfgInstanceId", 340 "{12345678-1234-5678-CAFE0-123456789ABC}", CTLFLAG_RD); 341 ndis_add_sysctl(sc, "DriverDesc", "Driver Description", 342 "NDIS Network Adapter", CTLFLAG_RD); 343 344 /* Bus type (PCI, PCMCIA, etc...) */ 345 sprintf(buf, "%d", (int)sc->ndis_iftype); 346 ndis_add_sysctl(sc, "BusType", "Bus Type", buf, CTLFLAG_RD); 347 348 if (sc->ndis_res_io != NULL) { 349 sprintf(buf, "0x%lx", rman_get_start(sc->ndis_res_io)); 350 ndis_add_sysctl(sc, "IOBaseAddress", 351 "Base I/O Address", buf, CTLFLAG_RD); 352 } 353 354 if (sc->ndis_irq != NULL) { 355 sprintf(buf, "%lu", rman_get_start(sc->ndis_irq)); 356 ndis_add_sysctl(sc, "InterruptNumber", 357 "Interrupt Number", buf, CTLFLAG_RD); 358 } 359 360 return (0); 361 } 362 363 int 364 ndis_add_sysctl(arg, key, desc, val, flag) 365 void *arg; 366 char *key; 367 char *desc; 368 char *val; 369 int flag; 370 { 371 struct ndis_softc *sc; 372 struct ndis_cfglist *cfg; 373 char descstr[256]; 374 375 sc = arg; 376 377 cfg = malloc(sizeof(struct ndis_cfglist), M_DEVBUF, M_NOWAIT|M_ZERO); 378 379 if (cfg == NULL) { 380 printf("failed for %s\n", key); 381 return (ENOMEM); 382 } 383 384 cfg->ndis_cfg.nc_cfgkey = strdup(key, M_DEVBUF); 385 if (desc == NULL) { 386 snprintf(descstr, sizeof(descstr), "%s (dynamic)", key); 387 cfg->ndis_cfg.nc_cfgdesc = strdup(descstr, M_DEVBUF); 388 } else 389 cfg->ndis_cfg.nc_cfgdesc = strdup(desc, M_DEVBUF); 390 strcpy(cfg->ndis_cfg.nc_val, val); 391 392 TAILQ_INSERT_TAIL(&sc->ndis_cfglist_head, cfg, link); 393 394 cfg->ndis_oid = 395 SYSCTL_ADD_STRING(device_get_sysctl_ctx(sc->ndis_dev), 396 SYSCTL_CHILDREN(device_get_sysctl_tree(sc->ndis_dev)), 397 OID_AUTO, cfg->ndis_cfg.nc_cfgkey, flag, 398 cfg->ndis_cfg.nc_val, sizeof(cfg->ndis_cfg.nc_val), 399 cfg->ndis_cfg.nc_cfgdesc); 400 401 return (0); 402 } 403 404 /* 405 * Somewhere, somebody decided "hey, let's automatically create 406 * a sysctl tree for each device instance as it's created -- it'll 407 * make life so much easier!" Lies. Why must they turn the kernel 408 * into a house of lies? 409 */ 410 411 int 412 ndis_flush_sysctls(arg) 413 void *arg; 414 { 415 struct ndis_softc *sc; 416 struct ndis_cfglist *cfg; 417 struct sysctl_ctx_list *clist; 418 419 sc = arg; 420 421 clist = device_get_sysctl_ctx(sc->ndis_dev); 422 423 while (!TAILQ_EMPTY(&sc->ndis_cfglist_head)) { 424 cfg = TAILQ_FIRST(&sc->ndis_cfglist_head); 425 TAILQ_REMOVE(&sc->ndis_cfglist_head, cfg, link); 426 sysctl_ctx_entry_del(clist, cfg->ndis_oid); 427 sysctl_remove_oid(cfg->ndis_oid, 1, 0); 428 free(cfg->ndis_cfg.nc_cfgkey, M_DEVBUF); 429 free(cfg->ndis_cfg.nc_cfgdesc, M_DEVBUF); 430 free(cfg, M_DEVBUF); 431 } 432 433 return (0); 434 } 435 436 void * 437 ndis_get_routine_address(functbl, name) 438 struct image_patch_table *functbl; 439 char *name; 440 { 441 int i; 442 443 for (i = 0; functbl[i].ipt_name != NULL; i++) 444 if (strcmp(name, functbl[i].ipt_name) == 0) 445 return (functbl[i].ipt_wrap); 446 return (NULL); 447 } 448 449 static void 450 ndis_return(dobj, arg) 451 device_object *dobj; 452 void *arg; 453 { 454 ndis_miniport_block *block; 455 ndis_miniport_characteristics *ch; 456 ndis_return_handler returnfunc; 457 ndis_handle adapter; 458 ndis_packet *p; 459 uint8_t irql; 460 list_entry *l; 461 462 block = arg; 463 ch = IoGetDriverObjectExtension(dobj->do_drvobj, (void *)1); 464 465 p = arg; 466 adapter = block->nmb_miniportadapterctx; 467 468 if (adapter == NULL) 469 return; 470 471 returnfunc = ch->nmc_return_packet_func; 472 473 KeAcquireSpinLock(&block->nmb_returnlock, &irql); 474 while (!IsListEmpty(&block->nmb_returnlist)) { 475 l = RemoveHeadList((&block->nmb_returnlist)); 476 p = CONTAINING_RECORD(l, ndis_packet, np_list); 477 InitializeListHead((&p->np_list)); 478 KeReleaseSpinLock(&block->nmb_returnlock, irql); 479 MSCALL2(returnfunc, adapter, p); 480 KeAcquireSpinLock(&block->nmb_returnlock, &irql); 481 } 482 KeReleaseSpinLock(&block->nmb_returnlock, irql); 483 } 484 485 void 486 ndis_return_packet(buf, arg) 487 void *buf; /* not used */ 488 void *arg; 489 { 490 ndis_packet *p; 491 ndis_miniport_block *block; 492 493 if (arg == NULL) 494 return; 495 496 p = arg; 497 498 /* Decrement refcount. */ 499 p->np_refcnt--; 500 501 /* Release packet when refcount hits zero, otherwise return. */ 502 if (p->np_refcnt) 503 return; 504 505 block = ((struct ndis_softc *)p->np_softc)->ndis_block; 506 507 KeAcquireSpinLockAtDpcLevel(&block->nmb_returnlock); 508 InitializeListHead((&p->np_list)); 509 InsertHeadList((&block->nmb_returnlist), (&p->np_list)); 510 KeReleaseSpinLockFromDpcLevel(&block->nmb_returnlock); 511 512 IoQueueWorkItem(block->nmb_returnitem, 513 (io_workitem_func)kernndis_functbl[7].ipt_wrap, 514 WORKQUEUE_CRITICAL, block); 515 } 516 517 void 518 ndis_free_bufs(b0) 519 ndis_buffer *b0; 520 { 521 ndis_buffer *next; 522 523 if (b0 == NULL) 524 return; 525 526 while(b0 != NULL) { 527 next = b0->mdl_next; 528 IoFreeMdl(b0); 529 b0 = next; 530 } 531 } 532 533 void 534 ndis_free_packet(p) 535 ndis_packet *p; 536 { 537 if (p == NULL) 538 return; 539 540 ndis_free_bufs(p->np_private.npp_head); 541 NdisFreePacket(p); 542 } 543 544 int 545 ndis_convert_res(arg) 546 void *arg; 547 { 548 struct ndis_softc *sc; 549 ndis_resource_list *rl = NULL; 550 cm_partial_resource_desc *prd = NULL; 551 ndis_miniport_block *block; 552 device_t dev; 553 struct resource_list *brl; 554 struct resource_list_entry *brle; 555 int error = 0; 556 557 sc = arg; 558 block = sc->ndis_block; 559 dev = sc->ndis_dev; 560 561 rl = malloc(sizeof(ndis_resource_list) + 562 (sizeof(cm_partial_resource_desc) * (sc->ndis_rescnt - 1)), 563 M_DEVBUF, M_NOWAIT|M_ZERO); 564 565 if (rl == NULL) 566 return (ENOMEM); 567 568 rl->cprl_version = 5; 569 rl->cprl_revision = 1; 570 rl->cprl_count = sc->ndis_rescnt; 571 prd = rl->cprl_partial_descs; 572 573 brl = BUS_GET_RESOURCE_LIST(dev, dev); 574 575 if (brl != NULL) { 576 577 STAILQ_FOREACH(brle, brl, link) { 578 switch (brle->type) { 579 case SYS_RES_IOPORT: 580 prd->cprd_type = CmResourceTypePort; 581 prd->cprd_flags = CM_RESOURCE_PORT_IO; 582 prd->cprd_sharedisp = 583 CmResourceShareDeviceExclusive; 584 prd->u.cprd_port.cprd_start.np_quad = 585 brle->start; 586 prd->u.cprd_port.cprd_len = brle->count; 587 break; 588 case SYS_RES_MEMORY: 589 prd->cprd_type = CmResourceTypeMemory; 590 prd->cprd_flags = 591 CM_RESOURCE_MEMORY_READ_WRITE; 592 prd->cprd_sharedisp = 593 CmResourceShareDeviceExclusive; 594 prd->u.cprd_mem.cprd_start.np_quad = 595 brle->start; 596 prd->u.cprd_mem.cprd_len = brle->count; 597 break; 598 case SYS_RES_IRQ: 599 prd->cprd_type = CmResourceTypeInterrupt; 600 prd->cprd_flags = 0; 601 /* 602 * Always mark interrupt resources as 603 * shared, since in our implementation, 604 * they will be. 605 */ 606 prd->cprd_sharedisp = 607 CmResourceShareShared; 608 prd->u.cprd_intr.cprd_level = brle->start; 609 prd->u.cprd_intr.cprd_vector = brle->start; 610 prd->u.cprd_intr.cprd_affinity = 0; 611 break; 612 default: 613 break; 614 } 615 prd++; 616 } 617 } 618 619 block->nmb_rlist = rl; 620 621 return (error); 622 } 623 624 /* 625 * Map an NDIS packet to an mbuf list. When an NDIS driver receives a 626 * packet, it will hand it to us in the form of an ndis_packet, 627 * which we need to convert to an mbuf that is then handed off 628 * to the stack. Note: we configure the mbuf list so that it uses 629 * the memory regions specified by the ndis_buffer structures in 630 * the ndis_packet as external storage. In most cases, this will 631 * point to a memory region allocated by the driver (either by 632 * ndis_malloc_withtag() or ndis_alloc_sharedmem()). We expect 633 * the driver to handle free()ing this region for is, so we set up 634 * a dummy no-op free handler for it. 635 */ 636 637 int 638 ndis_ptom(m0, p) 639 struct mbuf **m0; 640 ndis_packet *p; 641 { 642 struct mbuf *m = NULL, *prev = NULL; 643 ndis_buffer *buf; 644 ndis_packet_private *priv; 645 uint32_t totlen = 0; 646 struct ifnet *ifp; 647 struct ether_header *eh; 648 int diff; 649 650 if (p == NULL || m0 == NULL) 651 return (EINVAL); 652 653 priv = &p->np_private; 654 buf = priv->npp_head; 655 p->np_refcnt = 0; 656 657 for (buf = priv->npp_head; buf != NULL; buf = buf->mdl_next) { 658 if (buf == priv->npp_head) 659 #ifdef MT_HEADER 660 MGETHDR(m, M_DONTWAIT, MT_HEADER); 661 #else 662 MGETHDR(m, M_DONTWAIT, MT_DATA); 663 #endif 664 else 665 MGET(m, M_DONTWAIT, MT_DATA); 666 if (m == NULL) { 667 m_freem(*m0); 668 *m0 = NULL; 669 return (ENOBUFS); 670 } 671 m->m_len = MmGetMdlByteCount(buf); 672 m->m_data = MmGetMdlVirtualAddress(buf); 673 MEXTADD(m, m->m_data, m->m_len, ndis_return_packet, 674 m->m_data, p, 0, EXT_NDIS); 675 p->np_refcnt++; 676 677 totlen += m->m_len; 678 if (m->m_flags & M_PKTHDR) 679 *m0 = m; 680 else 681 prev->m_next = m; 682 prev = m; 683 } 684 685 /* 686 * This is a hack to deal with the Marvell 8335 driver 687 * which, when associated with an AP in WPA-PSK mode, 688 * seems to overpad its frames by 8 bytes. I don't know 689 * that the extra 8 bytes are for, and they're not there 690 * in open mode, so for now clamp the frame size at 1514 691 * until I can figure out how to deal with this properly, 692 * otherwise if_ethersubr() will spank us by discarding 693 * the 'oversize' frames. 694 */ 695 696 eh = mtod((*m0), struct ether_header *); 697 ifp = ((struct ndis_softc *)p->np_softc)->ifp; 698 if (totlen > ETHER_MAX_FRAME(ifp, eh->ether_type, FALSE)) { 699 diff = totlen - ETHER_MAX_FRAME(ifp, eh->ether_type, FALSE); 700 totlen -= diff; 701 m->m_len -= diff; 702 } 703 (*m0)->m_pkthdr.len = totlen; 704 705 return (0); 706 } 707 708 /* 709 * Create an NDIS packet from an mbuf chain. 710 * This is used mainly when transmitting packets, where we need 711 * to turn an mbuf off an interface's send queue and transform it 712 * into an NDIS packet which will be fed into the NDIS driver's 713 * send routine. 714 * 715 * NDIS packets consist of two parts: an ndis_packet structure, 716 * which is vaguely analagous to the pkthdr portion of an mbuf, 717 * and one or more ndis_buffer structures, which define the 718 * actual memory segments in which the packet data resides. 719 * We need to allocate one ndis_buffer for each mbuf in a chain, 720 * plus one ndis_packet as the header. 721 */ 722 723 int 724 ndis_mtop(m0, p) 725 struct mbuf *m0; 726 ndis_packet **p; 727 { 728 struct mbuf *m; 729 ndis_buffer *buf = NULL, *prev = NULL; 730 ndis_packet_private *priv; 731 732 if (p == NULL || *p == NULL || m0 == NULL) 733 return (EINVAL); 734 735 priv = &(*p)->np_private; 736 priv->npp_totlen = m0->m_pkthdr.len; 737 738 for (m = m0; m != NULL; m = m->m_next) { 739 if (m->m_len == 0) 740 continue; 741 buf = IoAllocateMdl(m->m_data, m->m_len, FALSE, FALSE, NULL); 742 if (buf == NULL) { 743 ndis_free_packet(*p); 744 *p = NULL; 745 return (ENOMEM); 746 } 747 MmBuildMdlForNonPagedPool(buf); 748 749 if (priv->npp_head == NULL) 750 priv->npp_head = buf; 751 else 752 prev->mdl_next = buf; 753 prev = buf; 754 } 755 756 priv->npp_tail = buf; 757 758 return (0); 759 } 760 761 int 762 ndis_get_supported_oids(arg, oids, oidcnt) 763 void *arg; 764 ndis_oid **oids; 765 int *oidcnt; 766 { 767 int len, rval; 768 ndis_oid *o; 769 770 if (arg == NULL || oids == NULL || oidcnt == NULL) 771 return (EINVAL); 772 len = 0; 773 ndis_get_info(arg, OID_GEN_SUPPORTED_LIST, NULL, &len); 774 775 o = malloc(len, M_DEVBUF, M_NOWAIT); 776 if (o == NULL) 777 return (ENOMEM); 778 779 rval = ndis_get_info(arg, OID_GEN_SUPPORTED_LIST, o, &len); 780 781 if (rval) { 782 free(o, M_DEVBUF); 783 return (rval); 784 } 785 786 *oids = o; 787 *oidcnt = len / 4; 788 789 return (0); 790 } 791 792 int 793 ndis_set_info(arg, oid, buf, buflen) 794 void *arg; 795 ndis_oid oid; 796 void *buf; 797 int *buflen; 798 { 799 struct ndis_softc *sc; 800 ndis_status rval; 801 ndis_handle adapter; 802 ndis_setinfo_handler setfunc; 803 uint32_t byteswritten = 0, bytesneeded = 0; 804 uint8_t irql; 805 uint64_t duetime; 806 807 /* 808 * According to the NDIS spec, MiniportQueryInformation() 809 * and MiniportSetInformation() requests are handled serially: 810 * once one request has been issued, we must wait for it to 811 * finish before allowing another request to proceed. 812 */ 813 814 sc = arg; 815 816 KeResetEvent(&sc->ndis_block->nmb_setevent); 817 818 KeAcquireSpinLock(&sc->ndis_block->nmb_lock, &irql); 819 820 if (sc->ndis_block->nmb_pendingreq != NULL) { 821 KeReleaseSpinLock(&sc->ndis_block->nmb_lock, irql); 822 panic("ndis_set_info() called while other request pending"); 823 } else 824 sc->ndis_block->nmb_pendingreq = (ndis_request *)sc; 825 826 setfunc = sc->ndis_chars->nmc_setinfo_func; 827 adapter = sc->ndis_block->nmb_miniportadapterctx; 828 829 if (adapter == NULL || setfunc == NULL || 830 sc->ndis_block->nmb_devicectx == NULL) { 831 sc->ndis_block->nmb_pendingreq = NULL; 832 KeReleaseSpinLock(&sc->ndis_block->nmb_lock, irql); 833 return (ENXIO); 834 } 835 836 rval = MSCALL6(setfunc, adapter, oid, buf, *buflen, 837 &byteswritten, &bytesneeded); 838 839 sc->ndis_block->nmb_pendingreq = NULL; 840 841 KeReleaseSpinLock(&sc->ndis_block->nmb_lock, irql); 842 843 if (rval == NDIS_STATUS_PENDING) { 844 /* Wait up to 5 seconds. */ 845 duetime = (5 * 1000000) * -10; 846 KeWaitForSingleObject(&sc->ndis_block->nmb_setevent, 847 0, 0, FALSE, &duetime); 848 rval = sc->ndis_block->nmb_setstat; 849 } 850 851 if (byteswritten) 852 *buflen = byteswritten; 853 if (bytesneeded) 854 *buflen = bytesneeded; 855 856 if (rval == NDIS_STATUS_INVALID_LENGTH) 857 return (ENOSPC); 858 859 if (rval == NDIS_STATUS_INVALID_OID) 860 return (EINVAL); 861 862 if (rval == NDIS_STATUS_NOT_SUPPORTED || 863 rval == NDIS_STATUS_NOT_ACCEPTED) 864 return (ENOTSUP); 865 866 if (rval != NDIS_STATUS_SUCCESS) 867 return (ENODEV); 868 869 return (0); 870 } 871 872 typedef void (*ndis_senddone_func)(ndis_handle, ndis_packet *, ndis_status); 873 874 int 875 ndis_send_packets(arg, packets, cnt) 876 void *arg; 877 ndis_packet **packets; 878 int cnt; 879 { 880 struct ndis_softc *sc; 881 ndis_handle adapter; 882 ndis_sendmulti_handler sendfunc; 883 ndis_senddone_func senddonefunc; 884 int i; 885 ndis_packet *p; 886 uint8_t irql = 0; 887 888 sc = arg; 889 adapter = sc->ndis_block->nmb_miniportadapterctx; 890 if (adapter == NULL) 891 return (ENXIO); 892 sendfunc = sc->ndis_chars->nmc_sendmulti_func; 893 senddonefunc = sc->ndis_block->nmb_senddone_func; 894 895 if (NDIS_SERIALIZED(sc->ndis_block)) 896 KeAcquireSpinLock(&sc->ndis_block->nmb_lock, &irql); 897 898 MSCALL3(sendfunc, adapter, packets, cnt); 899 900 for (i = 0; i < cnt; i++) { 901 p = packets[i]; 902 /* 903 * Either the driver already handed the packet to 904 * ndis_txeof() due to a failure, or it wants to keep 905 * it and release it asynchronously later. Skip to the 906 * next one. 907 */ 908 if (p == NULL || p->np_oob.npo_status == NDIS_STATUS_PENDING) 909 continue; 910 MSCALL3(senddonefunc, sc->ndis_block, p, p->np_oob.npo_status); 911 } 912 913 if (NDIS_SERIALIZED(sc->ndis_block)) 914 KeReleaseSpinLock(&sc->ndis_block->nmb_lock, irql); 915 916 return (0); 917 } 918 919 int 920 ndis_send_packet(arg, packet) 921 void *arg; 922 ndis_packet *packet; 923 { 924 struct ndis_softc *sc; 925 ndis_handle adapter; 926 ndis_status status; 927 ndis_sendsingle_handler sendfunc; 928 ndis_senddone_func senddonefunc; 929 uint8_t irql = 0; 930 931 sc = arg; 932 adapter = sc->ndis_block->nmb_miniportadapterctx; 933 if (adapter == NULL) 934 return (ENXIO); 935 sendfunc = sc->ndis_chars->nmc_sendsingle_func; 936 senddonefunc = sc->ndis_block->nmb_senddone_func; 937 938 if (NDIS_SERIALIZED(sc->ndis_block)) 939 KeAcquireSpinLock(&sc->ndis_block->nmb_lock, &irql); 940 status = MSCALL3(sendfunc, adapter, packet, 941 packet->np_private.npp_flags); 942 943 if (status == NDIS_STATUS_PENDING) { 944 if (NDIS_SERIALIZED(sc->ndis_block)) 945 KeReleaseSpinLock(&sc->ndis_block->nmb_lock, irql); 946 return (0); 947 } 948 949 MSCALL3(senddonefunc, sc->ndis_block, packet, status); 950 951 if (NDIS_SERIALIZED(sc->ndis_block)) 952 KeReleaseSpinLock(&sc->ndis_block->nmb_lock, irql); 953 954 return (0); 955 } 956 957 int 958 ndis_init_dma(arg) 959 void *arg; 960 { 961 struct ndis_softc *sc; 962 int i, error; 963 964 sc = arg; 965 966 sc->ndis_tmaps = malloc(sizeof(bus_dmamap_t) * sc->ndis_maxpkts, 967 M_DEVBUF, M_NOWAIT|M_ZERO); 968 969 if (sc->ndis_tmaps == NULL) 970 return (ENOMEM); 971 972 for (i = 0; i < sc->ndis_maxpkts; i++) { 973 error = bus_dmamap_create(sc->ndis_ttag, 0, 974 &sc->ndis_tmaps[i]); 975 if (error) { 976 free(sc->ndis_tmaps, M_DEVBUF); 977 return (ENODEV); 978 } 979 } 980 981 return (0); 982 } 983 984 int 985 ndis_destroy_dma(arg) 986 void *arg; 987 { 988 struct ndis_softc *sc; 989 struct mbuf *m; 990 ndis_packet *p = NULL; 991 int i; 992 993 sc = arg; 994 995 for (i = 0; i < sc->ndis_maxpkts; i++) { 996 if (sc->ndis_txarray[i] != NULL) { 997 p = sc->ndis_txarray[i]; 998 m = (struct mbuf *)p->np_rsvd[1]; 999 if (m != NULL) 1000 m_freem(m); 1001 ndis_free_packet(sc->ndis_txarray[i]); 1002 } 1003 bus_dmamap_destroy(sc->ndis_ttag, sc->ndis_tmaps[i]); 1004 } 1005 1006 free(sc->ndis_tmaps, M_DEVBUF); 1007 1008 bus_dma_tag_destroy(sc->ndis_ttag); 1009 1010 return (0); 1011 } 1012 1013 int 1014 ndis_reset_nic(arg) 1015 void *arg; 1016 { 1017 struct ndis_softc *sc; 1018 ndis_handle adapter; 1019 ndis_reset_handler resetfunc; 1020 uint8_t addressing_reset; 1021 int rval; 1022 uint8_t irql = 0; 1023 1024 sc = arg; 1025 1026 NDIS_LOCK(sc); 1027 adapter = sc->ndis_block->nmb_miniportadapterctx; 1028 resetfunc = sc->ndis_chars->nmc_reset_func; 1029 1030 if (adapter == NULL || resetfunc == NULL || 1031 sc->ndis_block->nmb_devicectx == NULL) { 1032 NDIS_UNLOCK(sc); 1033 return (EIO); 1034 } 1035 1036 NDIS_UNLOCK(sc); 1037 1038 KeResetEvent(&sc->ndis_block->nmb_resetevent); 1039 1040 if (NDIS_SERIALIZED(sc->ndis_block)) 1041 KeAcquireSpinLock(&sc->ndis_block->nmb_lock, &irql); 1042 1043 rval = MSCALL2(resetfunc, &addressing_reset, adapter); 1044 1045 if (NDIS_SERIALIZED(sc->ndis_block)) 1046 KeReleaseSpinLock(&sc->ndis_block->nmb_lock, irql); 1047 1048 if (rval == NDIS_STATUS_PENDING) 1049 KeWaitForSingleObject(&sc->ndis_block->nmb_resetevent, 1050 0, 0, FALSE, NULL); 1051 1052 return (0); 1053 } 1054 1055 int 1056 ndis_halt_nic(arg) 1057 void *arg; 1058 { 1059 struct ndis_softc *sc; 1060 ndis_handle adapter; 1061 ndis_halt_handler haltfunc; 1062 ndis_miniport_block *block; 1063 int empty = 0; 1064 uint8_t irql; 1065 1066 sc = arg; 1067 block = sc->ndis_block; 1068 1069 if (!cold) 1070 KeFlushQueuedDpcs(); 1071 1072 /* 1073 * Wait for all packets to be returned. 1074 */ 1075 1076 while (1) { 1077 KeAcquireSpinLock(&block->nmb_returnlock, &irql); 1078 empty = IsListEmpty(&block->nmb_returnlist); 1079 KeReleaseSpinLock(&block->nmb_returnlock, irql); 1080 if (empty) 1081 break; 1082 NdisMSleep(1000); 1083 } 1084 1085 NDIS_LOCK(sc); 1086 adapter = sc->ndis_block->nmb_miniportadapterctx; 1087 if (adapter == NULL) { 1088 NDIS_UNLOCK(sc); 1089 return (EIO); 1090 } 1091 1092 sc->ndis_block->nmb_devicectx = NULL; 1093 1094 /* 1095 * The adapter context is only valid after the init 1096 * handler has been called, and is invalid once the 1097 * halt handler has been called. 1098 */ 1099 1100 haltfunc = sc->ndis_chars->nmc_halt_func; 1101 NDIS_UNLOCK(sc); 1102 1103 MSCALL1(haltfunc, adapter); 1104 1105 NDIS_LOCK(sc); 1106 sc->ndis_block->nmb_miniportadapterctx = NULL; 1107 NDIS_UNLOCK(sc); 1108 1109 return (0); 1110 } 1111 1112 int 1113 ndis_shutdown_nic(arg) 1114 void *arg; 1115 { 1116 struct ndis_softc *sc; 1117 ndis_handle adapter; 1118 ndis_shutdown_handler shutdownfunc; 1119 1120 sc = arg; 1121 NDIS_LOCK(sc); 1122 adapter = sc->ndis_block->nmb_miniportadapterctx; 1123 shutdownfunc = sc->ndis_chars->nmc_shutdown_handler; 1124 NDIS_UNLOCK(sc); 1125 if (adapter == NULL || shutdownfunc == NULL) 1126 return (EIO); 1127 1128 if (sc->ndis_chars->nmc_rsvd0 == NULL) 1129 MSCALL1(shutdownfunc, adapter); 1130 else 1131 MSCALL1(shutdownfunc, sc->ndis_chars->nmc_rsvd0); 1132 1133 TAILQ_REMOVE(&ndis_devhead, sc->ndis_block, link); 1134 1135 return (0); 1136 } 1137 1138 int 1139 ndis_pnpevent_nic(arg, type) 1140 void *arg; 1141 int type; 1142 { 1143 device_t dev; 1144 struct ndis_softc *sc; 1145 ndis_handle adapter; 1146 ndis_pnpevent_handler pnpeventfunc; 1147 1148 dev = arg; 1149 sc = device_get_softc(arg); 1150 NDIS_LOCK(sc); 1151 adapter = sc->ndis_block->nmb_miniportadapterctx; 1152 pnpeventfunc = sc->ndis_chars->nmc_pnpevent_handler; 1153 NDIS_UNLOCK(sc); 1154 if (adapter == NULL || pnpeventfunc == NULL) 1155 return (EIO); 1156 1157 if (sc->ndis_chars->nmc_rsvd0 == NULL) 1158 MSCALL4(pnpeventfunc, adapter, type, NULL, 0); 1159 else 1160 MSCALL4(pnpeventfunc, sc->ndis_chars->nmc_rsvd0, type, NULL, 0); 1161 1162 return (0); 1163 } 1164 1165 int 1166 ndis_init_nic(arg) 1167 void *arg; 1168 { 1169 struct ndis_softc *sc; 1170 ndis_miniport_block *block; 1171 ndis_init_handler initfunc; 1172 ndis_status status, openstatus = 0; 1173 ndis_medium mediumarray[NdisMediumMax]; 1174 uint32_t chosenmedium, i; 1175 1176 if (arg == NULL) 1177 return (EINVAL); 1178 1179 sc = arg; 1180 NDIS_LOCK(sc); 1181 block = sc->ndis_block; 1182 initfunc = sc->ndis_chars->nmc_init_func; 1183 NDIS_UNLOCK(sc); 1184 1185 sc->ndis_block->nmb_timerlist = NULL; 1186 1187 for (i = 0; i < NdisMediumMax; i++) 1188 mediumarray[i] = i; 1189 1190 status = MSCALL6(initfunc, &openstatus, &chosenmedium, 1191 mediumarray, NdisMediumMax, block, block); 1192 1193 /* 1194 * If the init fails, blow away the other exported routines 1195 * we obtained from the driver so we can't call them later. 1196 * If the init failed, none of these will work. 1197 */ 1198 if (status != NDIS_STATUS_SUCCESS) { 1199 NDIS_LOCK(sc); 1200 sc->ndis_block->nmb_miniportadapterctx = NULL; 1201 NDIS_UNLOCK(sc); 1202 return (ENXIO); 1203 } 1204 1205 /* 1206 * This may look really goofy, but apparently it is possible 1207 * to halt a miniport too soon after it's been initialized. 1208 * After MiniportInitialize() finishes, pause for 1 second 1209 * to give the chip a chance to handle any short-lived timers 1210 * that were set in motion. If we call MiniportHalt() too soon, 1211 * some of the timers may not be cancelled, because the driver 1212 * expects them to fire before the halt is called. 1213 */ 1214 1215 pause("ndwait", hz); 1216 1217 NDIS_LOCK(sc); 1218 sc->ndis_block->nmb_devicectx = sc; 1219 NDIS_UNLOCK(sc); 1220 1221 return (0); 1222 } 1223 1224 static void 1225 ndis_intrsetup(dpc, dobj, ip, sc) 1226 kdpc *dpc; 1227 device_object *dobj; 1228 irp *ip; 1229 struct ndis_softc *sc; 1230 { 1231 ndis_miniport_interrupt *intr; 1232 1233 intr = sc->ndis_block->nmb_interrupt; 1234 1235 /* Sanity check. */ 1236 1237 if (intr == NULL) 1238 return; 1239 1240 KeAcquireSpinLockAtDpcLevel(&intr->ni_dpccountlock); 1241 KeResetEvent(&intr->ni_dpcevt); 1242 if (KeInsertQueueDpc(&intr->ni_dpc, NULL, NULL) == TRUE) 1243 intr->ni_dpccnt++; 1244 KeReleaseSpinLockFromDpcLevel(&intr->ni_dpccountlock); 1245 } 1246 1247 int 1248 ndis_get_info(arg, oid, buf, buflen) 1249 void *arg; 1250 ndis_oid oid; 1251 void *buf; 1252 int *buflen; 1253 { 1254 struct ndis_softc *sc; 1255 ndis_status rval; 1256 ndis_handle adapter; 1257 ndis_queryinfo_handler queryfunc; 1258 uint32_t byteswritten = 0, bytesneeded = 0; 1259 uint8_t irql; 1260 uint64_t duetime; 1261 1262 sc = arg; 1263 1264 KeResetEvent(&sc->ndis_block->nmb_getevent); 1265 1266 KeAcquireSpinLock(&sc->ndis_block->nmb_lock, &irql); 1267 1268 if (sc->ndis_block->nmb_pendingreq != NULL) { 1269 KeReleaseSpinLock(&sc->ndis_block->nmb_lock, irql); 1270 panic("ndis_get_info() called while other request pending"); 1271 } else 1272 sc->ndis_block->nmb_pendingreq = (ndis_request *)sc; 1273 1274 queryfunc = sc->ndis_chars->nmc_queryinfo_func; 1275 adapter = sc->ndis_block->nmb_miniportadapterctx; 1276 1277 if (adapter == NULL || queryfunc == NULL || 1278 sc->ndis_block->nmb_devicectx == NULL) { 1279 sc->ndis_block->nmb_pendingreq = NULL; 1280 KeReleaseSpinLock(&sc->ndis_block->nmb_lock, irql); 1281 return (ENXIO); 1282 } 1283 1284 rval = MSCALL6(queryfunc, adapter, oid, buf, *buflen, 1285 &byteswritten, &bytesneeded); 1286 1287 sc->ndis_block->nmb_pendingreq = NULL; 1288 1289 KeReleaseSpinLock(&sc->ndis_block->nmb_lock, irql); 1290 1291 /* Wait for requests that block. */ 1292 1293 if (rval == NDIS_STATUS_PENDING) { 1294 /* Wait up to 5 seconds. */ 1295 duetime = (5 * 1000000) * -10; 1296 KeWaitForSingleObject(&sc->ndis_block->nmb_getevent, 1297 0, 0, FALSE, &duetime); 1298 rval = sc->ndis_block->nmb_getstat; 1299 } 1300 1301 if (byteswritten) 1302 *buflen = byteswritten; 1303 if (bytesneeded) 1304 *buflen = bytesneeded; 1305 1306 if (rval == NDIS_STATUS_INVALID_LENGTH || 1307 rval == NDIS_STATUS_BUFFER_TOO_SHORT) 1308 return (ENOSPC); 1309 1310 if (rval == NDIS_STATUS_INVALID_OID) 1311 return (EINVAL); 1312 1313 if (rval == NDIS_STATUS_NOT_SUPPORTED || 1314 rval == NDIS_STATUS_NOT_ACCEPTED) 1315 return (ENOTSUP); 1316 1317 if (rval != NDIS_STATUS_SUCCESS) 1318 return (ENODEV); 1319 1320 return (0); 1321 } 1322 1323 uint32_t 1324 NdisAddDevice(drv, pdo) 1325 driver_object *drv; 1326 device_object *pdo; 1327 { 1328 device_object *fdo; 1329 ndis_miniport_block *block; 1330 struct ndis_softc *sc; 1331 uint32_t status; 1332 int error; 1333 1334 sc = device_get_softc(pdo->do_devext); 1335 1336 if (sc->ndis_iftype == PCMCIABus || sc->ndis_iftype == PCIBus) { 1337 error = bus_setup_intr(sc->ndis_dev, sc->ndis_irq, 1338 INTR_TYPE_NET | INTR_MPSAFE, 1339 NULL, ntoskrnl_intr, NULL, &sc->ndis_intrhand); 1340 if (error) 1341 return (NDIS_STATUS_FAILURE); 1342 } 1343 1344 status = IoCreateDevice(drv, sizeof(ndis_miniport_block), NULL, 1345 FILE_DEVICE_UNKNOWN, 0, FALSE, &fdo); 1346 1347 if (status != STATUS_SUCCESS) 1348 return (status); 1349 1350 block = fdo->do_devext; 1351 1352 block->nmb_filterdbs.nf_ethdb = block; 1353 block->nmb_deviceobj = fdo; 1354 block->nmb_physdeviceobj = pdo; 1355 block->nmb_nextdeviceobj = IoAttachDeviceToDeviceStack(fdo, pdo); 1356 KeInitializeSpinLock(&block->nmb_lock); 1357 KeInitializeSpinLock(&block->nmb_returnlock); 1358 KeInitializeEvent(&block->nmb_getevent, EVENT_TYPE_NOTIFY, TRUE); 1359 KeInitializeEvent(&block->nmb_setevent, EVENT_TYPE_NOTIFY, TRUE); 1360 KeInitializeEvent(&block->nmb_resetevent, EVENT_TYPE_NOTIFY, TRUE); 1361 InitializeListHead(&block->nmb_parmlist); 1362 InitializeListHead(&block->nmb_returnlist); 1363 block->nmb_returnitem = IoAllocateWorkItem(fdo); 1364 1365 /* 1366 * Stash pointers to the miniport block and miniport 1367 * characteristics info in the if_ndis softc so the 1368 * UNIX wrapper driver can get to them later. 1369 */ 1370 sc->ndis_block = block; 1371 sc->ndis_chars = IoGetDriverObjectExtension(drv, (void *)1); 1372 1373 /* 1374 * If the driver has a MiniportTransferData() function, 1375 * we should allocate a private RX packet pool. 1376 */ 1377 1378 if (sc->ndis_chars->nmc_transferdata_func != NULL) { 1379 NdisAllocatePacketPool(&status, &block->nmb_rxpool, 1380 32, PROTOCOL_RESERVED_SIZE_IN_PACKET); 1381 if (status != NDIS_STATUS_SUCCESS) { 1382 IoDetachDevice(block->nmb_nextdeviceobj); 1383 IoDeleteDevice(fdo); 1384 return (status); 1385 } 1386 InitializeListHead((&block->nmb_packetlist)); 1387 } 1388 1389 /* Give interrupt handling priority over timers. */ 1390 IoInitializeDpcRequest(fdo, kernndis_functbl[6].ipt_wrap); 1391 KeSetImportanceDpc(&fdo->do_dpc, KDPC_IMPORTANCE_HIGH); 1392 1393 /* Finish up BSD-specific setup. */ 1394 1395 block->nmb_signature = (void *)0xcafebabe; 1396 block->nmb_status_func = kernndis_functbl[0].ipt_wrap; 1397 block->nmb_statusdone_func = kernndis_functbl[1].ipt_wrap; 1398 block->nmb_setdone_func = kernndis_functbl[2].ipt_wrap; 1399 block->nmb_querydone_func = kernndis_functbl[3].ipt_wrap; 1400 block->nmb_resetdone_func = kernndis_functbl[4].ipt_wrap; 1401 block->nmb_sendrsrc_func = kernndis_functbl[5].ipt_wrap; 1402 block->nmb_pendingreq = NULL; 1403 1404 TAILQ_INSERT_TAIL(&ndis_devhead, block, link); 1405 1406 return (STATUS_SUCCESS); 1407 } 1408 1409 int 1410 ndis_unload_driver(arg) 1411 void *arg; 1412 { 1413 struct ndis_softc *sc; 1414 device_object *fdo; 1415 1416 sc = arg; 1417 1418 if (sc->ndis_intrhand) 1419 bus_teardown_intr(sc->ndis_dev, 1420 sc->ndis_irq, sc->ndis_intrhand); 1421 1422 if (sc->ndis_block->nmb_rlist != NULL) 1423 free(sc->ndis_block->nmb_rlist, M_DEVBUF); 1424 1425 ndis_flush_sysctls(sc); 1426 1427 TAILQ_REMOVE(&ndis_devhead, sc->ndis_block, link); 1428 1429 if (sc->ndis_chars->nmc_transferdata_func != NULL) 1430 NdisFreePacketPool(sc->ndis_block->nmb_rxpool); 1431 fdo = sc->ndis_block->nmb_deviceobj; 1432 IoFreeWorkItem(sc->ndis_block->nmb_returnitem); 1433 IoDetachDevice(sc->ndis_block->nmb_nextdeviceobj); 1434 IoDeleteDevice(fdo); 1435 1436 return (0); 1437 }
Cache object: 5f73f82cf80bced59f31db6f064bb327
[ source navigation ] [ diff markup ] [ identifier search ] [ freetext search ] [ file search ] [ list types ] [ track identifier ]