kern_ndis.c revision 268529
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: head/sys/compat/ndis/kern_ndis.c 268529 2014-07-11 13:58:48Z glebius $"); 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_var.h> 61#include <net/if_arp.h> 62#include <net/ethernet.h> 63#include <net/if_dl.h> 64#include <net/if_media.h> 65 66#include <net80211/ieee80211_var.h> 67#include <net80211/ieee80211_ioctl.h> 68 69#include <dev/usb/usb.h> 70#include <dev/usb/usbdi.h> 71 72#include <compat/ndis/pe_var.h> 73#include <compat/ndis/cfg_var.h> 74#include <compat/ndis/resource_var.h> 75#include <compat/ndis/ntoskrnl_var.h> 76#include <compat/ndis/ndis_var.h> 77#include <compat/ndis/hal_var.h> 78#include <compat/ndis/usbd_var.h> 79#include <dev/if_ndis/if_ndisvar.h> 80 81#define NDIS_DUMMY_PATH "\\\\some\\bogus\\path" 82 83static void ndis_status_func(ndis_handle, ndis_status, void *, uint32_t); 84static void ndis_statusdone_func(ndis_handle); 85static void ndis_setdone_func(ndis_handle, ndis_status); 86static void ndis_getdone_func(ndis_handle, ndis_status); 87static void ndis_resetdone_func(ndis_handle, ndis_status, uint8_t); 88static void ndis_sendrsrcavail_func(ndis_handle); 89static void ndis_intrsetup(kdpc *, device_object *, 90 irp *, struct ndis_softc *); 91static void ndis_return(device_object *, void *); 92 93static image_patch_table kernndis_functbl[] = { 94 IMPORT_SFUNC(ndis_status_func, 4), 95 IMPORT_SFUNC(ndis_statusdone_func, 1), 96 IMPORT_SFUNC(ndis_setdone_func, 2), 97 IMPORT_SFUNC(ndis_getdone_func, 2), 98 IMPORT_SFUNC(ndis_resetdone_func, 3), 99 IMPORT_SFUNC(ndis_sendrsrcavail_func, 1), 100 IMPORT_SFUNC(ndis_intrsetup, 4), 101 IMPORT_SFUNC(ndis_return, 1), 102 103 { NULL, NULL, NULL } 104}; 105 106static struct nd_head ndis_devhead; 107 108/* 109 * This allows us to export our symbols to other modules. 110 * Note that we call ourselves 'ndisapi' to avoid a namespace 111 * collision with if_ndis.ko, which internally calls itself 112 * 'ndis.' 113 * 114 * Note: some of the subsystems depend on each other, so the 115 * order in which they're started is important. The order of 116 * importance is: 117 * 118 * HAL - spinlocks and IRQL manipulation 119 * ntoskrnl - DPC and workitem threads, object waiting 120 * windrv - driver/device registration 121 * 122 * The HAL should also be the last thing shut down, since 123 * the ntoskrnl subsystem will use spinlocks right up until 124 * the DPC and workitem threads are terminated. 125 */ 126 127static int 128ndis_modevent(module_t mod, int cmd, void *arg) 129{ 130 int error = 0; 131 image_patch_table *patch; 132 133 switch (cmd) { 134 case MOD_LOAD: 135 /* Initialize subsystems */ 136 hal_libinit(); 137 ntoskrnl_libinit(); 138 windrv_libinit(); 139 ndis_libinit(); 140 usbd_libinit(); 141 142 patch = kernndis_functbl; 143 while (patch->ipt_func != NULL) { 144 windrv_wrap((funcptr)patch->ipt_func, 145 (funcptr *)&patch->ipt_wrap, 146 patch->ipt_argcnt, patch->ipt_ftype); 147 patch++; 148 } 149 150 TAILQ_INIT(&ndis_devhead); 151 break; 152 case MOD_SHUTDOWN: 153 if (TAILQ_FIRST(&ndis_devhead) == NULL) { 154 /* Shut down subsystems */ 155 ndis_libfini(); 156 usbd_libfini(); 157 windrv_libfini(); 158 ntoskrnl_libfini(); 159 hal_libfini(); 160 161 patch = kernndis_functbl; 162 while (patch->ipt_func != NULL) { 163 windrv_unwrap(patch->ipt_wrap); 164 patch++; 165 } 166 } 167 break; 168 case MOD_UNLOAD: 169 /* Shut down subsystems */ 170 ndis_libfini(); 171 usbd_libfini(); 172 windrv_libfini(); 173 ntoskrnl_libfini(); 174 hal_libfini(); 175 176 patch = kernndis_functbl; 177 while (patch->ipt_func != NULL) { 178 windrv_unwrap(patch->ipt_wrap); 179 patch++; 180 } 181 182 break; 183 default: 184 error = EINVAL; 185 break; 186 } 187 188 return (error); 189} 190DEV_MODULE(ndisapi, ndis_modevent, NULL); 191MODULE_VERSION(ndisapi, 1); 192 193static void 194ndis_sendrsrcavail_func(adapter) 195 ndis_handle adapter; 196{ 197} 198 199static void 200ndis_status_func(adapter, status, sbuf, slen) 201 ndis_handle adapter; 202 ndis_status status; 203 void *sbuf; 204 uint32_t slen; 205{ 206 ndis_miniport_block *block; 207 struct ndis_softc *sc; 208 struct ifnet *ifp; 209 210 block = adapter; 211 sc = device_get_softc(block->nmb_physdeviceobj->do_devext); 212 ifp = sc->ifp; 213 if (ifp->if_flags & IFF_DEBUG) 214 device_printf(sc->ndis_dev, "status: %x\n", status); 215} 216 217static void 218ndis_statusdone_func(adapter) 219 ndis_handle adapter; 220{ 221 ndis_miniport_block *block; 222 struct ndis_softc *sc; 223 struct ifnet *ifp; 224 225 block = adapter; 226 sc = device_get_softc(block->nmb_physdeviceobj->do_devext); 227 ifp = sc->ifp; 228 if (ifp->if_flags & IFF_DEBUG) 229 device_printf(sc->ndis_dev, "status complete\n"); 230} 231 232static void 233ndis_setdone_func(adapter, status) 234 ndis_handle adapter; 235 ndis_status status; 236{ 237 ndis_miniport_block *block; 238 block = adapter; 239 240 block->nmb_setstat = status; 241 KeSetEvent(&block->nmb_setevent, IO_NO_INCREMENT, FALSE); 242} 243 244static void 245ndis_getdone_func(adapter, status) 246 ndis_handle adapter; 247 ndis_status status; 248{ 249 ndis_miniport_block *block; 250 block = adapter; 251 252 block->nmb_getstat = status; 253 KeSetEvent(&block->nmb_getevent, IO_NO_INCREMENT, FALSE); 254} 255 256static void 257ndis_resetdone_func(ndis_handle adapter, ndis_status status, 258 uint8_t addressingreset) 259{ 260 ndis_miniport_block *block; 261 struct ndis_softc *sc; 262 struct ifnet *ifp; 263 264 block = adapter; 265 sc = device_get_softc(block->nmb_physdeviceobj->do_devext); 266 ifp = sc->ifp; 267 268 if (ifp->if_flags & IFF_DEBUG) 269 device_printf(sc->ndis_dev, "reset done...\n"); 270 KeSetEvent(&block->nmb_resetevent, IO_NO_INCREMENT, FALSE); 271} 272 273int 274ndis_create_sysctls(arg) 275 void *arg; 276{ 277 struct ndis_softc *sc; 278 ndis_cfg *vals; 279 char buf[256]; 280 struct sysctl_oid *oidp; 281 struct sysctl_ctx_entry *e; 282 283 if (arg == NULL) 284 return (EINVAL); 285 286 sc = arg; 287 vals = sc->ndis_regvals; 288 289 TAILQ_INIT(&sc->ndis_cfglist_head); 290 291 /* Add the driver-specific registry keys. */ 292 293 while(1) { 294 if (vals->nc_cfgkey == NULL) 295 break; 296 297 if (vals->nc_idx != sc->ndis_devidx) { 298 vals++; 299 continue; 300 } 301 302 /* See if we already have a sysctl with this name */ 303 304 oidp = NULL; 305 TAILQ_FOREACH(e, device_get_sysctl_ctx(sc->ndis_dev), link) { 306 oidp = e->entry; 307 if (strcasecmp(oidp->oid_name, vals->nc_cfgkey) == 0) 308 break; 309 oidp = NULL; 310 } 311 312 if (oidp != NULL) { 313 vals++; 314 continue; 315 } 316 317 ndis_add_sysctl(sc, vals->nc_cfgkey, vals->nc_cfgdesc, 318 vals->nc_val, CTLFLAG_RW); 319 vals++; 320 } 321 322 /* Now add a couple of builtin keys. */ 323 324 /* 325 * Environment can be either Windows (0) or WindowsNT (1). 326 * We qualify as the latter. 327 */ 328 ndis_add_sysctl(sc, "Environment", 329 "Windows environment", "1", CTLFLAG_RD); 330 331 /* NDIS version should be 5.1. */ 332 ndis_add_sysctl(sc, "NdisVersion", 333 "NDIS API Version", "0x00050001", CTLFLAG_RD); 334 335 /* 336 * Some miniport drivers rely on the existence of the SlotNumber, 337 * NetCfgInstanceId and DriverDesc keys. 338 */ 339 ndis_add_sysctl(sc, "SlotNumber", "Slot Numer", "01", CTLFLAG_RD); 340 ndis_add_sysctl(sc, "NetCfgInstanceId", "NetCfgInstanceId", 341 "{12345678-1234-5678-CAFE0-123456789ABC}", CTLFLAG_RD); 342 ndis_add_sysctl(sc, "DriverDesc", "Driver Description", 343 "NDIS Network Adapter", CTLFLAG_RD); 344 345 /* Bus type (PCI, PCMCIA, etc...) */ 346 sprintf(buf, "%d", (int)sc->ndis_iftype); 347 ndis_add_sysctl(sc, "BusType", "Bus Type", buf, CTLFLAG_RD); 348 349 if (sc->ndis_res_io != NULL) { 350 sprintf(buf, "0x%lx", rman_get_start(sc->ndis_res_io)); 351 ndis_add_sysctl(sc, "IOBaseAddress", 352 "Base I/O Address", buf, CTLFLAG_RD); 353 } 354 355 if (sc->ndis_irq != NULL) { 356 sprintf(buf, "%lu", rman_get_start(sc->ndis_irq)); 357 ndis_add_sysctl(sc, "InterruptNumber", 358 "Interrupt Number", buf, CTLFLAG_RD); 359 } 360 361 return (0); 362} 363 364int 365ndis_add_sysctl(arg, key, desc, val, flag) 366 void *arg; 367 char *key; 368 char *desc; 369 char *val; 370 int flag; 371{ 372 struct ndis_softc *sc; 373 struct ndis_cfglist *cfg; 374 char descstr[256]; 375 376 sc = arg; 377 378 cfg = malloc(sizeof(struct ndis_cfglist), M_DEVBUF, M_NOWAIT|M_ZERO); 379 380 if (cfg == NULL) { 381 printf("failed for %s\n", key); 382 return (ENOMEM); 383 } 384 385 cfg->ndis_cfg.nc_cfgkey = strdup(key, M_DEVBUF); 386 if (desc == NULL) { 387 snprintf(descstr, sizeof(descstr), "%s (dynamic)", key); 388 cfg->ndis_cfg.nc_cfgdesc = strdup(descstr, M_DEVBUF); 389 } else 390 cfg->ndis_cfg.nc_cfgdesc = strdup(desc, M_DEVBUF); 391 strcpy(cfg->ndis_cfg.nc_val, val); 392 393 TAILQ_INSERT_TAIL(&sc->ndis_cfglist_head, cfg, link); 394 395 cfg->ndis_oid = 396 SYSCTL_ADD_STRING(device_get_sysctl_ctx(sc->ndis_dev), 397 SYSCTL_CHILDREN(device_get_sysctl_tree(sc->ndis_dev)), 398 OID_AUTO, cfg->ndis_cfg.nc_cfgkey, flag, 399 cfg->ndis_cfg.nc_val, sizeof(cfg->ndis_cfg.nc_val), 400 cfg->ndis_cfg.nc_cfgdesc); 401 402 return (0); 403} 404 405/* 406 * Somewhere, somebody decided "hey, let's automatically create 407 * a sysctl tree for each device instance as it's created -- it'll 408 * make life so much easier!" Lies. Why must they turn the kernel 409 * into a house of lies? 410 */ 411 412int 413ndis_flush_sysctls(arg) 414 void *arg; 415{ 416 struct ndis_softc *sc; 417 struct ndis_cfglist *cfg; 418 struct sysctl_ctx_list *clist; 419 420 sc = arg; 421 422 clist = device_get_sysctl_ctx(sc->ndis_dev); 423 424 while (!TAILQ_EMPTY(&sc->ndis_cfglist_head)) { 425 cfg = TAILQ_FIRST(&sc->ndis_cfglist_head); 426 TAILQ_REMOVE(&sc->ndis_cfglist_head, cfg, link); 427 sysctl_ctx_entry_del(clist, cfg->ndis_oid); 428 sysctl_remove_oid(cfg->ndis_oid, 1, 0); 429 free(cfg->ndis_cfg.nc_cfgkey, M_DEVBUF); 430 free(cfg->ndis_cfg.nc_cfgdesc, M_DEVBUF); 431 free(cfg, M_DEVBUF); 432 } 433 434 return (0); 435} 436 437void * 438ndis_get_routine_address(functbl, name) 439 struct image_patch_table *functbl; 440 char *name; 441{ 442 int i; 443 444 for (i = 0; functbl[i].ipt_name != NULL; i++) 445 if (strcmp(name, functbl[i].ipt_name) == 0) 446 return (functbl[i].ipt_wrap); 447 return (NULL); 448} 449 450static void 451ndis_return(dobj, arg) 452 device_object *dobj; 453 void *arg; 454{ 455 ndis_miniport_block *block; 456 ndis_miniport_characteristics *ch; 457 ndis_return_handler returnfunc; 458 ndis_handle adapter; 459 ndis_packet *p; 460 uint8_t irql; 461 list_entry *l; 462 463 block = arg; 464 ch = IoGetDriverObjectExtension(dobj->do_drvobj, (void *)1); 465 466 p = arg; 467 adapter = block->nmb_miniportadapterctx; 468 469 if (adapter == NULL) 470 return; 471 472 returnfunc = ch->nmc_return_packet_func; 473 474 KeAcquireSpinLock(&block->nmb_returnlock, &irql); 475 while (!IsListEmpty(&block->nmb_returnlist)) { 476 l = RemoveHeadList((&block->nmb_returnlist)); 477 p = CONTAINING_RECORD(l, ndis_packet, np_list); 478 InitializeListHead((&p->np_list)); 479 KeReleaseSpinLock(&block->nmb_returnlock, irql); 480 MSCALL2(returnfunc, adapter, p); 481 KeAcquireSpinLock(&block->nmb_returnlock, &irql); 482 } 483 KeReleaseSpinLock(&block->nmb_returnlock, irql); 484} 485 486void 487ndis_return_packet(struct mbuf *m, void *buf, void *arg) 488{ 489 ndis_packet *p; 490 ndis_miniport_block *block; 491 492 if (arg == NULL) 493 return; 494 495 p = arg; 496 497 /* Decrement refcount. */ 498 p->np_refcnt--; 499 500 /* Release packet when refcount hits zero, otherwise return. */ 501 if (p->np_refcnt) 502 return; 503 504 block = ((struct ndis_softc *)p->np_softc)->ndis_block; 505 506 KeAcquireSpinLockAtDpcLevel(&block->nmb_returnlock); 507 InitializeListHead((&p->np_list)); 508 InsertHeadList((&block->nmb_returnlist), (&p->np_list)); 509 KeReleaseSpinLockFromDpcLevel(&block->nmb_returnlock); 510 511 IoQueueWorkItem(block->nmb_returnitem, 512 (io_workitem_func)kernndis_functbl[7].ipt_wrap, 513 WORKQUEUE_CRITICAL, block); 514} 515 516void 517ndis_free_bufs(b0) 518 ndis_buffer *b0; 519{ 520 ndis_buffer *next; 521 522 if (b0 == NULL) 523 return; 524 525 while(b0 != NULL) { 526 next = b0->mdl_next; 527 IoFreeMdl(b0); 528 b0 = next; 529 } 530} 531 532void 533ndis_free_packet(p) 534 ndis_packet *p; 535{ 536 if (p == NULL) 537 return; 538 539 ndis_free_bufs(p->np_private.npp_head); 540 NdisFreePacket(p); 541} 542 543int 544ndis_convert_res(arg) 545 void *arg; 546{ 547 struct ndis_softc *sc; 548 ndis_resource_list *rl = NULL; 549 cm_partial_resource_desc *prd = NULL; 550 ndis_miniport_block *block; 551 device_t dev; 552 struct resource_list *brl; 553 struct resource_list_entry *brle; 554 int error = 0; 555 556 sc = arg; 557 block = sc->ndis_block; 558 dev = sc->ndis_dev; 559 560 rl = malloc(sizeof(ndis_resource_list) + 561 (sizeof(cm_partial_resource_desc) * (sc->ndis_rescnt - 1)), 562 M_DEVBUF, M_NOWAIT|M_ZERO); 563 564 if (rl == NULL) 565 return (ENOMEM); 566 567 rl->cprl_version = 5; 568 rl->cprl_revision = 1; 569 rl->cprl_count = sc->ndis_rescnt; 570 prd = rl->cprl_partial_descs; 571 572 brl = BUS_GET_RESOURCE_LIST(dev, dev); 573 574 if (brl != NULL) { 575 576 STAILQ_FOREACH(brle, brl, link) { 577 switch (brle->type) { 578 case SYS_RES_IOPORT: 579 prd->cprd_type = CmResourceTypePort; 580 prd->cprd_flags = CM_RESOURCE_PORT_IO; 581 prd->cprd_sharedisp = 582 CmResourceShareDeviceExclusive; 583 prd->u.cprd_port.cprd_start.np_quad = 584 brle->start; 585 prd->u.cprd_port.cprd_len = brle->count; 586 break; 587 case SYS_RES_MEMORY: 588 prd->cprd_type = CmResourceTypeMemory; 589 prd->cprd_flags = 590 CM_RESOURCE_MEMORY_READ_WRITE; 591 prd->cprd_sharedisp = 592 CmResourceShareDeviceExclusive; 593 prd->u.cprd_mem.cprd_start.np_quad = 594 brle->start; 595 prd->u.cprd_mem.cprd_len = brle->count; 596 break; 597 case SYS_RES_IRQ: 598 prd->cprd_type = CmResourceTypeInterrupt; 599 prd->cprd_flags = 0; 600 /* 601 * Always mark interrupt resources as 602 * shared, since in our implementation, 603 * they will be. 604 */ 605 prd->cprd_sharedisp = 606 CmResourceShareShared; 607 prd->u.cprd_intr.cprd_level = brle->start; 608 prd->u.cprd_intr.cprd_vector = brle->start; 609 prd->u.cprd_intr.cprd_affinity = 0; 610 break; 611 default: 612 break; 613 } 614 prd++; 615 } 616 } 617 618 block->nmb_rlist = rl; 619 620 return (error); 621} 622 623/* 624 * Map an NDIS packet to an mbuf list. When an NDIS driver receives a 625 * packet, it will hand it to us in the form of an ndis_packet, 626 * which we need to convert to an mbuf that is then handed off 627 * to the stack. Note: we configure the mbuf list so that it uses 628 * the memory regions specified by the ndis_buffer structures in 629 * the ndis_packet as external storage. In most cases, this will 630 * point to a memory region allocated by the driver (either by 631 * ndis_malloc_withtag() or ndis_alloc_sharedmem()). We expect 632 * the driver to handle free()ing this region for is, so we set up 633 * a dummy no-op free handler for it. 634 */ 635 636int 637ndis_ptom(m0, p) 638 struct mbuf **m0; 639 ndis_packet *p; 640{ 641 struct mbuf *m = NULL, *prev = NULL; 642 ndis_buffer *buf; 643 ndis_packet_private *priv; 644 uint32_t totlen = 0; 645 struct ifnet *ifp; 646 struct ether_header *eh; 647 int diff; 648 649 if (p == NULL || m0 == NULL) 650 return (EINVAL); 651 652 priv = &p->np_private; 653 buf = priv->npp_head; 654 p->np_refcnt = 0; 655 656 for (buf = priv->npp_head; buf != NULL; buf = buf->mdl_next) { 657 if (buf == priv->npp_head) 658 m = m_gethdr(M_NOWAIT, MT_DATA); 659 else 660 m = m_get(M_NOWAIT, MT_DATA); 661 if (m == NULL) { 662 m_freem(*m0); 663 *m0 = NULL; 664 return (ENOBUFS); 665 } 666 m->m_len = MmGetMdlByteCount(buf); 667 m->m_data = MmGetMdlVirtualAddress(buf); 668 MEXTADD(m, m->m_data, m->m_len, ndis_return_packet, 669 m->m_data, p, 0, EXT_NDIS); 670 p->np_refcnt++; 671 672 totlen += m->m_len; 673 if (m->m_flags & M_PKTHDR) 674 *m0 = m; 675 else 676 prev->m_next = m; 677 prev = m; 678 } 679 680 /* 681 * This is a hack to deal with the Marvell 8335 driver 682 * which, when associated with an AP in WPA-PSK mode, 683 * seems to overpad its frames by 8 bytes. I don't know 684 * that the extra 8 bytes are for, and they're not there 685 * in open mode, so for now clamp the frame size at 1514 686 * until I can figure out how to deal with this properly, 687 * otherwise if_ethersubr() will spank us by discarding 688 * the 'oversize' frames. 689 */ 690 691 eh = mtod((*m0), struct ether_header *); 692 ifp = ((struct ndis_softc *)p->np_softc)->ifp; 693 if (totlen > ETHER_MAX_FRAME(ifp, eh->ether_type, FALSE)) { 694 diff = totlen - ETHER_MAX_FRAME(ifp, eh->ether_type, FALSE); 695 totlen -= diff; 696 m->m_len -= diff; 697 } 698 (*m0)->m_pkthdr.len = totlen; 699 700 return (0); 701} 702 703/* 704 * Create an NDIS packet from an mbuf chain. 705 * This is used mainly when transmitting packets, where we need 706 * to turn an mbuf off an interface's send queue and transform it 707 * into an NDIS packet which will be fed into the NDIS driver's 708 * send routine. 709 * 710 * NDIS packets consist of two parts: an ndis_packet structure, 711 * which is vaguely analagous to the pkthdr portion of an mbuf, 712 * and one or more ndis_buffer structures, which define the 713 * actual memory segments in which the packet data resides. 714 * We need to allocate one ndis_buffer for each mbuf in a chain, 715 * plus one ndis_packet as the header. 716 */ 717 718int 719ndis_mtop(m0, p) 720 struct mbuf *m0; 721 ndis_packet **p; 722{ 723 struct mbuf *m; 724 ndis_buffer *buf = NULL, *prev = NULL; 725 ndis_packet_private *priv; 726 727 if (p == NULL || *p == NULL || m0 == NULL) 728 return (EINVAL); 729 730 priv = &(*p)->np_private; 731 priv->npp_totlen = m0->m_pkthdr.len; 732 733 for (m = m0; m != NULL; m = m->m_next) { 734 if (m->m_len == 0) 735 continue; 736 buf = IoAllocateMdl(m->m_data, m->m_len, FALSE, FALSE, NULL); 737 if (buf == NULL) { 738 ndis_free_packet(*p); 739 *p = NULL; 740 return (ENOMEM); 741 } 742 MmBuildMdlForNonPagedPool(buf); 743 744 if (priv->npp_head == NULL) 745 priv->npp_head = buf; 746 else 747 prev->mdl_next = buf; 748 prev = buf; 749 } 750 751 priv->npp_tail = buf; 752 753 return (0); 754} 755 756int 757ndis_get_supported_oids(arg, oids, oidcnt) 758 void *arg; 759 ndis_oid **oids; 760 int *oidcnt; 761{ 762 int len, rval; 763 ndis_oid *o; 764 765 if (arg == NULL || oids == NULL || oidcnt == NULL) 766 return (EINVAL); 767 len = 0; 768 ndis_get_info(arg, OID_GEN_SUPPORTED_LIST, NULL, &len); 769 770 o = malloc(len, M_DEVBUF, M_NOWAIT); 771 if (o == NULL) 772 return (ENOMEM); 773 774 rval = ndis_get_info(arg, OID_GEN_SUPPORTED_LIST, o, &len); 775 776 if (rval) { 777 free(o, M_DEVBUF); 778 return (rval); 779 } 780 781 *oids = o; 782 *oidcnt = len / 4; 783 784 return (0); 785} 786 787int 788ndis_set_info(arg, oid, buf, buflen) 789 void *arg; 790 ndis_oid oid; 791 void *buf; 792 int *buflen; 793{ 794 struct ndis_softc *sc; 795 ndis_status rval; 796 ndis_handle adapter; 797 ndis_setinfo_handler setfunc; 798 uint32_t byteswritten = 0, bytesneeded = 0; 799 uint8_t irql; 800 uint64_t duetime; 801 802 /* 803 * According to the NDIS spec, MiniportQueryInformation() 804 * and MiniportSetInformation() requests are handled serially: 805 * once one request has been issued, we must wait for it to 806 * finish before allowing another request to proceed. 807 */ 808 809 sc = arg; 810 811 KeResetEvent(&sc->ndis_block->nmb_setevent); 812 813 KeAcquireSpinLock(&sc->ndis_block->nmb_lock, &irql); 814 815 if (sc->ndis_block->nmb_pendingreq != NULL) { 816 KeReleaseSpinLock(&sc->ndis_block->nmb_lock, irql); 817 panic("ndis_set_info() called while other request pending"); 818 } else 819 sc->ndis_block->nmb_pendingreq = (ndis_request *)sc; 820 821 setfunc = sc->ndis_chars->nmc_setinfo_func; 822 adapter = sc->ndis_block->nmb_miniportadapterctx; 823 824 if (adapter == NULL || setfunc == NULL || 825 sc->ndis_block->nmb_devicectx == NULL) { 826 sc->ndis_block->nmb_pendingreq = NULL; 827 KeReleaseSpinLock(&sc->ndis_block->nmb_lock, irql); 828 return (ENXIO); 829 } 830 831 rval = MSCALL6(setfunc, adapter, oid, buf, *buflen, 832 &byteswritten, &bytesneeded); 833 834 sc->ndis_block->nmb_pendingreq = NULL; 835 836 KeReleaseSpinLock(&sc->ndis_block->nmb_lock, irql); 837 838 if (rval == NDIS_STATUS_PENDING) { 839 /* Wait up to 5 seconds. */ 840 duetime = (5 * 1000000) * -10; 841 KeWaitForSingleObject(&sc->ndis_block->nmb_setevent, 842 0, 0, FALSE, &duetime); 843 rval = sc->ndis_block->nmb_setstat; 844 } 845 846 if (byteswritten) 847 *buflen = byteswritten; 848 if (bytesneeded) 849 *buflen = bytesneeded; 850 851 if (rval == NDIS_STATUS_INVALID_LENGTH) 852 return (ENOSPC); 853 854 if (rval == NDIS_STATUS_INVALID_OID) 855 return (EINVAL); 856 857 if (rval == NDIS_STATUS_NOT_SUPPORTED || 858 rval == NDIS_STATUS_NOT_ACCEPTED) 859 return (ENOTSUP); 860 861 if (rval != NDIS_STATUS_SUCCESS) 862 return (ENODEV); 863 864 return (0); 865} 866 867typedef void (*ndis_senddone_func)(ndis_handle, ndis_packet *, ndis_status); 868 869int 870ndis_send_packets(arg, packets, cnt) 871 void *arg; 872 ndis_packet **packets; 873 int cnt; 874{ 875 struct ndis_softc *sc; 876 ndis_handle adapter; 877 ndis_sendmulti_handler sendfunc; 878 ndis_senddone_func senddonefunc; 879 int i; 880 ndis_packet *p; 881 uint8_t irql = 0; 882 883 sc = arg; 884 adapter = sc->ndis_block->nmb_miniportadapterctx; 885 if (adapter == NULL) 886 return (ENXIO); 887 sendfunc = sc->ndis_chars->nmc_sendmulti_func; 888 senddonefunc = sc->ndis_block->nmb_senddone_func; 889 890 if (NDIS_SERIALIZED(sc->ndis_block)) 891 KeAcquireSpinLock(&sc->ndis_block->nmb_lock, &irql); 892 893 MSCALL3(sendfunc, adapter, packets, cnt); 894 895 for (i = 0; i < cnt; i++) { 896 p = packets[i]; 897 /* 898 * Either the driver already handed the packet to 899 * ndis_txeof() due to a failure, or it wants to keep 900 * it and release it asynchronously later. Skip to the 901 * next one. 902 */ 903 if (p == NULL || p->np_oob.npo_status == NDIS_STATUS_PENDING) 904 continue; 905 MSCALL3(senddonefunc, sc->ndis_block, p, p->np_oob.npo_status); 906 } 907 908 if (NDIS_SERIALIZED(sc->ndis_block)) 909 KeReleaseSpinLock(&sc->ndis_block->nmb_lock, irql); 910 911 return (0); 912} 913 914int 915ndis_send_packet(arg, packet) 916 void *arg; 917 ndis_packet *packet; 918{ 919 struct ndis_softc *sc; 920 ndis_handle adapter; 921 ndis_status status; 922 ndis_sendsingle_handler sendfunc; 923 ndis_senddone_func senddonefunc; 924 uint8_t irql = 0; 925 926 sc = arg; 927 adapter = sc->ndis_block->nmb_miniportadapterctx; 928 if (adapter == NULL) 929 return (ENXIO); 930 sendfunc = sc->ndis_chars->nmc_sendsingle_func; 931 senddonefunc = sc->ndis_block->nmb_senddone_func; 932 933 if (NDIS_SERIALIZED(sc->ndis_block)) 934 KeAcquireSpinLock(&sc->ndis_block->nmb_lock, &irql); 935 status = MSCALL3(sendfunc, adapter, packet, 936 packet->np_private.npp_flags); 937 938 if (status == NDIS_STATUS_PENDING) { 939 if (NDIS_SERIALIZED(sc->ndis_block)) 940 KeReleaseSpinLock(&sc->ndis_block->nmb_lock, irql); 941 return (0); 942 } 943 944 MSCALL3(senddonefunc, sc->ndis_block, packet, status); 945 946 if (NDIS_SERIALIZED(sc->ndis_block)) 947 KeReleaseSpinLock(&sc->ndis_block->nmb_lock, irql); 948 949 return (0); 950} 951 952int 953ndis_init_dma(arg) 954 void *arg; 955{ 956 struct ndis_softc *sc; 957 int i, error; 958 959 sc = arg; 960 961 sc->ndis_tmaps = malloc(sizeof(bus_dmamap_t) * sc->ndis_maxpkts, 962 M_DEVBUF, M_NOWAIT|M_ZERO); 963 964 if (sc->ndis_tmaps == NULL) 965 return (ENOMEM); 966 967 for (i = 0; i < sc->ndis_maxpkts; i++) { 968 error = bus_dmamap_create(sc->ndis_ttag, 0, 969 &sc->ndis_tmaps[i]); 970 if (error) { 971 free(sc->ndis_tmaps, M_DEVBUF); 972 return (ENODEV); 973 } 974 } 975 976 return (0); 977} 978 979int 980ndis_destroy_dma(arg) 981 void *arg; 982{ 983 struct ndis_softc *sc; 984 struct mbuf *m; 985 ndis_packet *p = NULL; 986 int i; 987 988 sc = arg; 989 990 for (i = 0; i < sc->ndis_maxpkts; i++) { 991 if (sc->ndis_txarray[i] != NULL) { 992 p = sc->ndis_txarray[i]; 993 m = (struct mbuf *)p->np_rsvd[1]; 994 if (m != NULL) 995 m_freem(m); 996 ndis_free_packet(sc->ndis_txarray[i]); 997 } 998 bus_dmamap_destroy(sc->ndis_ttag, sc->ndis_tmaps[i]); 999 } 1000 1001 free(sc->ndis_tmaps, M_DEVBUF); 1002 1003 bus_dma_tag_destroy(sc->ndis_ttag); 1004 1005 return (0); 1006} 1007 1008int 1009ndis_reset_nic(arg) 1010 void *arg; 1011{ 1012 struct ndis_softc *sc; 1013 ndis_handle adapter; 1014 ndis_reset_handler resetfunc; 1015 uint8_t addressing_reset; 1016 int rval; 1017 uint8_t irql = 0; 1018 1019 sc = arg; 1020 1021 NDIS_LOCK(sc); 1022 adapter = sc->ndis_block->nmb_miniportadapterctx; 1023 resetfunc = sc->ndis_chars->nmc_reset_func; 1024 1025 if (adapter == NULL || resetfunc == NULL || 1026 sc->ndis_block->nmb_devicectx == NULL) { 1027 NDIS_UNLOCK(sc); 1028 return (EIO); 1029 } 1030 1031 NDIS_UNLOCK(sc); 1032 1033 KeResetEvent(&sc->ndis_block->nmb_resetevent); 1034 1035 if (NDIS_SERIALIZED(sc->ndis_block)) 1036 KeAcquireSpinLock(&sc->ndis_block->nmb_lock, &irql); 1037 1038 rval = MSCALL2(resetfunc, &addressing_reset, adapter); 1039 1040 if (NDIS_SERIALIZED(sc->ndis_block)) 1041 KeReleaseSpinLock(&sc->ndis_block->nmb_lock, irql); 1042 1043 if (rval == NDIS_STATUS_PENDING) 1044 KeWaitForSingleObject(&sc->ndis_block->nmb_resetevent, 1045 0, 0, FALSE, NULL); 1046 1047 return (0); 1048} 1049 1050int 1051ndis_halt_nic(arg) 1052 void *arg; 1053{ 1054 struct ndis_softc *sc; 1055 ndis_handle adapter; 1056 ndis_halt_handler haltfunc; 1057 ndis_miniport_block *block; 1058 int empty = 0; 1059 uint8_t irql; 1060 1061 sc = arg; 1062 block = sc->ndis_block; 1063 1064 if (!cold) 1065 KeFlushQueuedDpcs(); 1066 1067 /* 1068 * Wait for all packets to be returned. 1069 */ 1070 1071 while (1) { 1072 KeAcquireSpinLock(&block->nmb_returnlock, &irql); 1073 empty = IsListEmpty(&block->nmb_returnlist); 1074 KeReleaseSpinLock(&block->nmb_returnlock, irql); 1075 if (empty) 1076 break; 1077 NdisMSleep(1000); 1078 } 1079 1080 NDIS_LOCK(sc); 1081 adapter = sc->ndis_block->nmb_miniportadapterctx; 1082 if (adapter == NULL) { 1083 NDIS_UNLOCK(sc); 1084 return (EIO); 1085 } 1086 1087 sc->ndis_block->nmb_devicectx = NULL; 1088 1089 /* 1090 * The adapter context is only valid after the init 1091 * handler has been called, and is invalid once the 1092 * halt handler has been called. 1093 */ 1094 1095 haltfunc = sc->ndis_chars->nmc_halt_func; 1096 NDIS_UNLOCK(sc); 1097 1098 MSCALL1(haltfunc, adapter); 1099 1100 NDIS_LOCK(sc); 1101 sc->ndis_block->nmb_miniportadapterctx = NULL; 1102 NDIS_UNLOCK(sc); 1103 1104 return (0); 1105} 1106 1107int 1108ndis_shutdown_nic(arg) 1109 void *arg; 1110{ 1111 struct ndis_softc *sc; 1112 ndis_handle adapter; 1113 ndis_shutdown_handler shutdownfunc; 1114 1115 sc = arg; 1116 NDIS_LOCK(sc); 1117 adapter = sc->ndis_block->nmb_miniportadapterctx; 1118 shutdownfunc = sc->ndis_chars->nmc_shutdown_handler; 1119 NDIS_UNLOCK(sc); 1120 if (adapter == NULL || shutdownfunc == NULL) 1121 return (EIO); 1122 1123 if (sc->ndis_chars->nmc_rsvd0 == NULL) 1124 MSCALL1(shutdownfunc, adapter); 1125 else 1126 MSCALL1(shutdownfunc, sc->ndis_chars->nmc_rsvd0); 1127 1128 TAILQ_REMOVE(&ndis_devhead, sc->ndis_block, link); 1129 1130 return (0); 1131} 1132 1133int 1134ndis_pnpevent_nic(arg, type) 1135 void *arg; 1136 int type; 1137{ 1138 device_t dev; 1139 struct ndis_softc *sc; 1140 ndis_handle adapter; 1141 ndis_pnpevent_handler pnpeventfunc; 1142 1143 dev = arg; 1144 sc = device_get_softc(arg); 1145 NDIS_LOCK(sc); 1146 adapter = sc->ndis_block->nmb_miniportadapterctx; 1147 pnpeventfunc = sc->ndis_chars->nmc_pnpevent_handler; 1148 NDIS_UNLOCK(sc); 1149 if (adapter == NULL || pnpeventfunc == NULL) 1150 return (EIO); 1151 1152 if (sc->ndis_chars->nmc_rsvd0 == NULL) 1153 MSCALL4(pnpeventfunc, adapter, type, NULL, 0); 1154 else 1155 MSCALL4(pnpeventfunc, sc->ndis_chars->nmc_rsvd0, type, NULL, 0); 1156 1157 return (0); 1158} 1159 1160int 1161ndis_init_nic(arg) 1162 void *arg; 1163{ 1164 struct ndis_softc *sc; 1165 ndis_miniport_block *block; 1166 ndis_init_handler initfunc; 1167 ndis_status status, openstatus = 0; 1168 ndis_medium mediumarray[NdisMediumMax]; 1169 uint32_t chosenmedium, i; 1170 1171 if (arg == NULL) 1172 return (EINVAL); 1173 1174 sc = arg; 1175 NDIS_LOCK(sc); 1176 block = sc->ndis_block; 1177 initfunc = sc->ndis_chars->nmc_init_func; 1178 NDIS_UNLOCK(sc); 1179 1180 sc->ndis_block->nmb_timerlist = NULL; 1181 1182 for (i = 0; i < NdisMediumMax; i++) 1183 mediumarray[i] = i; 1184 1185 status = MSCALL6(initfunc, &openstatus, &chosenmedium, 1186 mediumarray, NdisMediumMax, block, block); 1187 1188 /* 1189 * If the init fails, blow away the other exported routines 1190 * we obtained from the driver so we can't call them later. 1191 * If the init failed, none of these will work. 1192 */ 1193 if (status != NDIS_STATUS_SUCCESS) { 1194 NDIS_LOCK(sc); 1195 sc->ndis_block->nmb_miniportadapterctx = NULL; 1196 NDIS_UNLOCK(sc); 1197 return (ENXIO); 1198 } 1199 1200 /* 1201 * This may look really goofy, but apparently it is possible 1202 * to halt a miniport too soon after it's been initialized. 1203 * After MiniportInitialize() finishes, pause for 1 second 1204 * to give the chip a chance to handle any short-lived timers 1205 * that were set in motion. If we call MiniportHalt() too soon, 1206 * some of the timers may not be cancelled, because the driver 1207 * expects them to fire before the halt is called. 1208 */ 1209 1210 pause("ndwait", hz); 1211 1212 NDIS_LOCK(sc); 1213 sc->ndis_block->nmb_devicectx = sc; 1214 NDIS_UNLOCK(sc); 1215 1216 return (0); 1217} 1218 1219static void 1220ndis_intrsetup(dpc, dobj, ip, sc) 1221 kdpc *dpc; 1222 device_object *dobj; 1223 irp *ip; 1224 struct ndis_softc *sc; 1225{ 1226 ndis_miniport_interrupt *intr; 1227 1228 intr = sc->ndis_block->nmb_interrupt; 1229 1230 /* Sanity check. */ 1231 1232 if (intr == NULL) 1233 return; 1234 1235 KeAcquireSpinLockAtDpcLevel(&intr->ni_dpccountlock); 1236 KeResetEvent(&intr->ni_dpcevt); 1237 if (KeInsertQueueDpc(&intr->ni_dpc, NULL, NULL) == TRUE) 1238 intr->ni_dpccnt++; 1239 KeReleaseSpinLockFromDpcLevel(&intr->ni_dpccountlock); 1240} 1241 1242int 1243ndis_get_info(arg, oid, buf, buflen) 1244 void *arg; 1245 ndis_oid oid; 1246 void *buf; 1247 int *buflen; 1248{ 1249 struct ndis_softc *sc; 1250 ndis_status rval; 1251 ndis_handle adapter; 1252 ndis_queryinfo_handler queryfunc; 1253 uint32_t byteswritten = 0, bytesneeded = 0; 1254 uint8_t irql; 1255 uint64_t duetime; 1256 1257 sc = arg; 1258 1259 KeResetEvent(&sc->ndis_block->nmb_getevent); 1260 1261 KeAcquireSpinLock(&sc->ndis_block->nmb_lock, &irql); 1262 1263 if (sc->ndis_block->nmb_pendingreq != NULL) { 1264 KeReleaseSpinLock(&sc->ndis_block->nmb_lock, irql); 1265 panic("ndis_get_info() called while other request pending"); 1266 } else 1267 sc->ndis_block->nmb_pendingreq = (ndis_request *)sc; 1268 1269 queryfunc = sc->ndis_chars->nmc_queryinfo_func; 1270 adapter = sc->ndis_block->nmb_miniportadapterctx; 1271 1272 if (adapter == NULL || queryfunc == NULL || 1273 sc->ndis_block->nmb_devicectx == NULL) { 1274 sc->ndis_block->nmb_pendingreq = NULL; 1275 KeReleaseSpinLock(&sc->ndis_block->nmb_lock, irql); 1276 return (ENXIO); 1277 } 1278 1279 rval = MSCALL6(queryfunc, adapter, oid, buf, *buflen, 1280 &byteswritten, &bytesneeded); 1281 1282 sc->ndis_block->nmb_pendingreq = NULL; 1283 1284 KeReleaseSpinLock(&sc->ndis_block->nmb_lock, irql); 1285 1286 /* Wait for requests that block. */ 1287 1288 if (rval == NDIS_STATUS_PENDING) { 1289 /* Wait up to 5 seconds. */ 1290 duetime = (5 * 1000000) * -10; 1291 KeWaitForSingleObject(&sc->ndis_block->nmb_getevent, 1292 0, 0, FALSE, &duetime); 1293 rval = sc->ndis_block->nmb_getstat; 1294 } 1295 1296 if (byteswritten) 1297 *buflen = byteswritten; 1298 if (bytesneeded) 1299 *buflen = bytesneeded; 1300 1301 if (rval == NDIS_STATUS_INVALID_LENGTH || 1302 rval == NDIS_STATUS_BUFFER_TOO_SHORT) 1303 return (ENOSPC); 1304 1305 if (rval == NDIS_STATUS_INVALID_OID) 1306 return (EINVAL); 1307 1308 if (rval == NDIS_STATUS_NOT_SUPPORTED || 1309 rval == NDIS_STATUS_NOT_ACCEPTED) 1310 return (ENOTSUP); 1311 1312 if (rval != NDIS_STATUS_SUCCESS) 1313 return (ENODEV); 1314 1315 return (0); 1316} 1317 1318uint32_t 1319NdisAddDevice(drv, pdo) 1320 driver_object *drv; 1321 device_object *pdo; 1322{ 1323 device_object *fdo; 1324 ndis_miniport_block *block; 1325 struct ndis_softc *sc; 1326 uint32_t status; 1327 int error; 1328 1329 sc = device_get_softc(pdo->do_devext); 1330 1331 if (sc->ndis_iftype == PCMCIABus || sc->ndis_iftype == PCIBus) { 1332 error = bus_setup_intr(sc->ndis_dev, sc->ndis_irq, 1333 INTR_TYPE_NET | INTR_MPSAFE, 1334 NULL, ntoskrnl_intr, NULL, &sc->ndis_intrhand); 1335 if (error) 1336 return (NDIS_STATUS_FAILURE); 1337 } 1338 1339 status = IoCreateDevice(drv, sizeof(ndis_miniport_block), NULL, 1340 FILE_DEVICE_UNKNOWN, 0, FALSE, &fdo); 1341 1342 if (status != STATUS_SUCCESS) 1343 return (status); 1344 1345 block = fdo->do_devext; 1346 1347 block->nmb_filterdbs.nf_ethdb = block; 1348 block->nmb_deviceobj = fdo; 1349 block->nmb_physdeviceobj = pdo; 1350 block->nmb_nextdeviceobj = IoAttachDeviceToDeviceStack(fdo, pdo); 1351 KeInitializeSpinLock(&block->nmb_lock); 1352 KeInitializeSpinLock(&block->nmb_returnlock); 1353 KeInitializeEvent(&block->nmb_getevent, EVENT_TYPE_NOTIFY, TRUE); 1354 KeInitializeEvent(&block->nmb_setevent, EVENT_TYPE_NOTIFY, TRUE); 1355 KeInitializeEvent(&block->nmb_resetevent, EVENT_TYPE_NOTIFY, TRUE); 1356 InitializeListHead(&block->nmb_parmlist); 1357 InitializeListHead(&block->nmb_returnlist); 1358 block->nmb_returnitem = IoAllocateWorkItem(fdo); 1359 1360 /* 1361 * Stash pointers to the miniport block and miniport 1362 * characteristics info in the if_ndis softc so the 1363 * UNIX wrapper driver can get to them later. 1364 */ 1365 sc->ndis_block = block; 1366 sc->ndis_chars = IoGetDriverObjectExtension(drv, (void *)1); 1367 1368 /* 1369 * If the driver has a MiniportTransferData() function, 1370 * we should allocate a private RX packet pool. 1371 */ 1372 1373 if (sc->ndis_chars->nmc_transferdata_func != NULL) { 1374 NdisAllocatePacketPool(&status, &block->nmb_rxpool, 1375 32, PROTOCOL_RESERVED_SIZE_IN_PACKET); 1376 if (status != NDIS_STATUS_SUCCESS) { 1377 IoDetachDevice(block->nmb_nextdeviceobj); 1378 IoDeleteDevice(fdo); 1379 return (status); 1380 } 1381 InitializeListHead((&block->nmb_packetlist)); 1382 } 1383 1384 /* Give interrupt handling priority over timers. */ 1385 IoInitializeDpcRequest(fdo, kernndis_functbl[6].ipt_wrap); 1386 KeSetImportanceDpc(&fdo->do_dpc, KDPC_IMPORTANCE_HIGH); 1387 1388 /* Finish up BSD-specific setup. */ 1389 1390 block->nmb_signature = (void *)0xcafebabe; 1391 block->nmb_status_func = kernndis_functbl[0].ipt_wrap; 1392 block->nmb_statusdone_func = kernndis_functbl[1].ipt_wrap; 1393 block->nmb_setdone_func = kernndis_functbl[2].ipt_wrap; 1394 block->nmb_querydone_func = kernndis_functbl[3].ipt_wrap; 1395 block->nmb_resetdone_func = kernndis_functbl[4].ipt_wrap; 1396 block->nmb_sendrsrc_func = kernndis_functbl[5].ipt_wrap; 1397 block->nmb_pendingreq = NULL; 1398 1399 TAILQ_INSERT_TAIL(&ndis_devhead, block, link); 1400 1401 return (STATUS_SUCCESS); 1402} 1403 1404int 1405ndis_unload_driver(arg) 1406 void *arg; 1407{ 1408 struct ndis_softc *sc; 1409 device_object *fdo; 1410 1411 sc = arg; 1412 1413 if (sc->ndis_intrhand) 1414 bus_teardown_intr(sc->ndis_dev, 1415 sc->ndis_irq, sc->ndis_intrhand); 1416 1417 if (sc->ndis_block->nmb_rlist != NULL) 1418 free(sc->ndis_block->nmb_rlist, M_DEVBUF); 1419 1420 ndis_flush_sysctls(sc); 1421 1422 TAILQ_REMOVE(&ndis_devhead, sc->ndis_block, link); 1423 1424 if (sc->ndis_chars->nmc_transferdata_func != NULL) 1425 NdisFreePacketPool(sc->ndis_block->nmb_rxpool); 1426 fdo = sc->ndis_block->nmb_deviceobj; 1427 IoFreeWorkItem(sc->ndis_block->nmb_returnitem); 1428 IoDetachDevice(sc->ndis_block->nmb_nextdeviceobj); 1429 IoDeleteDevice(fdo); 1430 1431 return (0); 1432} 1433