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/* 37 * This file implements a translation layer between the BSD networking 38 * infrasturcture and Windows(R) NDIS network driver modules. A Windows 39 * NDIS driver calls into several functions in the NDIS.SYS Windows 40 * kernel module and exports a table of functions designed to be called 41 * by the NDIS subsystem. Using the PE loader, we can patch our own 42 * versions of the NDIS routines into a given Windows driver module and 43 * convince the driver that it is in fact running on Windows. 44 * 45 * We provide a table of all our implemented NDIS routines which is patched 46 * into the driver object code. All our exported routines must use the 47 * _stdcall calling convention, since that's what the Windows object code 48 * expects. 49 */ 50 51 52#include <sys/ctype.h> 53#include <sys/param.h> 54#include <sys/types.h> 55#include <sys/errno.h> 56 57#include <sys/callout.h> 58#include <sys/kernel.h> 59#include <sys/systm.h> 60#include <sys/malloc.h> 61#include <sys/lock.h> 62#include <sys/mutex.h> 63#include <sys/socket.h> 64#include <sys/sysctl.h> 65#include <sys/timespec.h> 66#include <sys/smp.h> 67#include <sys/queue.h> 68#include <sys/proc.h> 69#include <sys/filedesc.h> 70#include <sys/namei.h> 71#include <sys/fcntl.h> 72#include <sys/vnode.h> 73#include <sys/kthread.h> 74#include <sys/linker.h> 75#include <sys/mount.h> 76#include <sys/sysproto.h> 77 78#include <net/if.h> 79#include <net/if_arp.h> 80#include <net/ethernet.h> 81#include <net/if_dl.h> 82#include <net/if_media.h> 83 84#include <machine/atomic.h> 85#include <machine/bus.h> 86#include <machine/resource.h> 87 88#include <sys/bus.h> 89#include <sys/rman.h> 90 91#include <machine/stdarg.h> 92 93#include <net80211/ieee80211_var.h> 94#include <net80211/ieee80211_ioctl.h> 95 96#include <dev/pci/pcireg.h> 97#include <dev/pci/pcivar.h> 98#include <dev/usb/usb.h> 99#include <dev/usb/usbdi.h> 100 101#include <compat/ndis/pe_var.h> 102#include <compat/ndis/cfg_var.h> 103#include <compat/ndis/resource_var.h> 104#include <compat/ndis/ntoskrnl_var.h> 105#include <compat/ndis/hal_var.h> 106#include <compat/ndis/ndis_var.h> 107#include <dev/if_ndis/if_ndisvar.h> 108 109#include <vm/vm.h> 110#include <vm/vm_param.h> 111#include <vm/pmap.h> 112#include <vm/uma.h> 113#include <vm/vm_kern.h> 114#include <vm/vm_map.h> 115 116static char ndis_filepath[MAXPATHLEN]; 117 118SYSCTL_STRING(_hw, OID_AUTO, ndis_filepath, CTLFLAG_RW, ndis_filepath, 119 MAXPATHLEN, "Path used by NdisOpenFile() to search for files"); 120 121static void NdisInitializeWrapper(ndis_handle *, 122 driver_object *, void *, void *); 123static ndis_status NdisMRegisterMiniport(ndis_handle, 124 ndis_miniport_characteristics *, int); 125static ndis_status NdisAllocateMemoryWithTag(void **, 126 uint32_t, uint32_t); 127static ndis_status NdisAllocateMemory(void **, 128 uint32_t, uint32_t, ndis_physaddr); 129static void NdisFreeMemory(void *, uint32_t, uint32_t); 130static ndis_status NdisMSetAttributesEx(ndis_handle, ndis_handle, 131 uint32_t, uint32_t, ndis_interface_type); 132static void NdisOpenConfiguration(ndis_status *, 133 ndis_handle *, ndis_handle); 134static void NdisOpenConfigurationKeyByIndex(ndis_status *, 135 ndis_handle, uint32_t, unicode_string *, ndis_handle *); 136static void NdisOpenConfigurationKeyByName(ndis_status *, 137 ndis_handle, unicode_string *, ndis_handle *); 138static ndis_status ndis_encode_parm(ndis_miniport_block *, 139 struct sysctl_oid *, ndis_parm_type, ndis_config_parm **); 140static ndis_status ndis_decode_parm(ndis_miniport_block *, 141 ndis_config_parm *, char *); 142static void NdisReadConfiguration(ndis_status *, ndis_config_parm **, 143 ndis_handle, unicode_string *, ndis_parm_type); 144static void NdisWriteConfiguration(ndis_status *, ndis_handle, 145 unicode_string *, ndis_config_parm *); 146static void NdisCloseConfiguration(ndis_handle); 147static void NdisAllocateSpinLock(ndis_spin_lock *); 148static void NdisFreeSpinLock(ndis_spin_lock *); 149static void NdisAcquireSpinLock(ndis_spin_lock *); 150static void NdisReleaseSpinLock(ndis_spin_lock *); 151static void NdisDprAcquireSpinLock(ndis_spin_lock *); 152static void NdisDprReleaseSpinLock(ndis_spin_lock *); 153static void NdisInitializeReadWriteLock(ndis_rw_lock *); 154static void NdisAcquireReadWriteLock(ndis_rw_lock *, 155 uint8_t, ndis_lock_state *); 156static void NdisReleaseReadWriteLock(ndis_rw_lock *, ndis_lock_state *); 157static uint32_t NdisReadPciSlotInformation(ndis_handle, uint32_t, 158 uint32_t, void *, uint32_t); 159static uint32_t NdisWritePciSlotInformation(ndis_handle, uint32_t, 160 uint32_t, void *, uint32_t); 161static void NdisWriteErrorLogEntry(ndis_handle, ndis_error_code, uint32_t, ...); 162static void ndis_map_cb(void *, bus_dma_segment_t *, int, int); 163static void NdisMStartBufferPhysicalMapping(ndis_handle, 164 ndis_buffer *, uint32_t, uint8_t, ndis_paddr_unit *, uint32_t *); 165static void NdisMCompleteBufferPhysicalMapping(ndis_handle, 166 ndis_buffer *, uint32_t); 167static void NdisMInitializeTimer(ndis_miniport_timer *, ndis_handle, 168 ndis_timer_function, void *); 169static void NdisInitializeTimer(ndis_timer *, 170 ndis_timer_function, void *); 171static void NdisSetTimer(ndis_timer *, uint32_t); 172static void NdisMSetPeriodicTimer(ndis_miniport_timer *, uint32_t); 173static void NdisMCancelTimer(ndis_timer *, uint8_t *); 174static void ndis_timercall(kdpc *, ndis_miniport_timer *, 175 void *, void *); 176static void NdisMQueryAdapterResources(ndis_status *, ndis_handle, 177 ndis_resource_list *, uint32_t *); 178static ndis_status NdisMRegisterIoPortRange(void **, 179 ndis_handle, uint32_t, uint32_t); 180static void NdisMDeregisterIoPortRange(ndis_handle, 181 uint32_t, uint32_t, void *); 182static void NdisReadNetworkAddress(ndis_status *, void **, 183 uint32_t *, ndis_handle); 184static ndis_status NdisQueryMapRegisterCount(uint32_t, uint32_t *); 185static ndis_status NdisMAllocateMapRegisters(ndis_handle, 186 uint32_t, uint8_t, uint32_t, uint32_t); 187static void NdisMFreeMapRegisters(ndis_handle); 188static void ndis_mapshared_cb(void *, bus_dma_segment_t *, int, int); 189static void NdisMAllocateSharedMemory(ndis_handle, uint32_t, 190 uint8_t, void **, ndis_physaddr *); 191static void ndis_asyncmem_complete(device_object *, void *); 192static ndis_status NdisMAllocateSharedMemoryAsync(ndis_handle, 193 uint32_t, uint8_t, void *); 194static void NdisMFreeSharedMemory(ndis_handle, uint32_t, 195 uint8_t, void *, ndis_physaddr); 196static ndis_status NdisMMapIoSpace(void **, ndis_handle, 197 ndis_physaddr, uint32_t); 198static void NdisMUnmapIoSpace(ndis_handle, void *, uint32_t); 199static uint32_t NdisGetCacheFillSize(void); 200static void *NdisGetRoutineAddress(unicode_string *); 201static uint32_t NdisMGetDmaAlignment(ndis_handle); 202static ndis_status NdisMInitializeScatterGatherDma(ndis_handle, 203 uint8_t, uint32_t); 204static void NdisUnchainBufferAtFront(ndis_packet *, ndis_buffer **); 205static void NdisUnchainBufferAtBack(ndis_packet *, ndis_buffer **); 206static void NdisAllocateBufferPool(ndis_status *, 207 ndis_handle *, uint32_t); 208static void NdisFreeBufferPool(ndis_handle); 209static void NdisAllocateBuffer(ndis_status *, ndis_buffer **, 210 ndis_handle, void *, uint32_t); 211static void NdisFreeBuffer(ndis_buffer *); 212static uint32_t NdisBufferLength(ndis_buffer *); 213static void NdisQueryBuffer(ndis_buffer *, void **, uint32_t *); 214static void NdisQueryBufferSafe(ndis_buffer *, void **, 215 uint32_t *, uint32_t); 216static void *NdisBufferVirtualAddress(ndis_buffer *); 217static void *NdisBufferVirtualAddressSafe(ndis_buffer *, uint32_t); 218static void NdisAdjustBufferLength(ndis_buffer *, int); 219static uint32_t NdisInterlockedIncrement(uint32_t *); 220static uint32_t NdisInterlockedDecrement(uint32_t *); 221static void NdisInitializeEvent(ndis_event *); 222static void NdisSetEvent(ndis_event *); 223static void NdisResetEvent(ndis_event *); 224static uint8_t NdisWaitEvent(ndis_event *, uint32_t); 225static ndis_status NdisUnicodeStringToAnsiString(ansi_string *, 226 unicode_string *); 227static ndis_status 228 NdisAnsiStringToUnicodeString(unicode_string *, ansi_string *); 229static ndis_status NdisMPciAssignResources(ndis_handle, 230 uint32_t, ndis_resource_list **); 231static ndis_status NdisMRegisterInterrupt(ndis_miniport_interrupt *, 232 ndis_handle, uint32_t, uint32_t, uint8_t, 233 uint8_t, ndis_interrupt_mode); 234static void NdisMDeregisterInterrupt(ndis_miniport_interrupt *); 235static void NdisMRegisterAdapterShutdownHandler(ndis_handle, void *, 236 ndis_shutdown_handler); 237static void NdisMDeregisterAdapterShutdownHandler(ndis_handle); 238static uint32_t NDIS_BUFFER_TO_SPAN_PAGES(ndis_buffer *); 239static void NdisGetBufferPhysicalArraySize(ndis_buffer *, 240 uint32_t *); 241static void NdisQueryBufferOffset(ndis_buffer *, 242 uint32_t *, uint32_t *); 243static uint32_t NdisReadPcmciaAttributeMemory(ndis_handle, 244 uint32_t, void *, uint32_t); 245static uint32_t NdisWritePcmciaAttributeMemory(ndis_handle, 246 uint32_t, void *, uint32_t); 247static list_entry *NdisInterlockedInsertHeadList(list_entry *, 248 list_entry *, ndis_spin_lock *); 249static list_entry *NdisInterlockedRemoveHeadList(list_entry *, 250 ndis_spin_lock *); 251static list_entry *NdisInterlockedInsertTailList(list_entry *, 252 list_entry *, ndis_spin_lock *); 253static uint8_t 254 NdisMSynchronizeWithInterrupt(ndis_miniport_interrupt *, 255 void *, void *); 256static void NdisGetCurrentSystemTime(uint64_t *); 257static void NdisGetSystemUpTime(uint32_t *); 258static uint32_t NdisGetVersion(void); 259static void NdisInitializeString(unicode_string *, char *); 260static void NdisInitAnsiString(ansi_string *, char *); 261static void NdisInitUnicodeString(unicode_string *, uint16_t *); 262static void NdisFreeString(unicode_string *); 263static ndis_status NdisMRemoveMiniport(ndis_handle *); 264static void NdisTerminateWrapper(ndis_handle, void *); 265static void NdisMGetDeviceProperty(ndis_handle, device_object **, 266 device_object **, device_object **, cm_resource_list *, 267 cm_resource_list *); 268static void NdisGetFirstBufferFromPacket(ndis_packet *, 269 ndis_buffer **, void **, uint32_t *, uint32_t *); 270static void NdisGetFirstBufferFromPacketSafe(ndis_packet *, 271 ndis_buffer **, void **, uint32_t *, uint32_t *, uint32_t); 272static int ndis_find_sym(linker_file_t, char *, char *, caddr_t *); 273static void NdisOpenFile(ndis_status *, ndis_handle *, uint32_t *, 274 unicode_string *, ndis_physaddr); 275static void NdisMapFile(ndis_status *, void **, ndis_handle); 276static void NdisUnmapFile(ndis_handle); 277static void NdisCloseFile(ndis_handle); 278static uint8_t NdisSystemProcessorCount(void); 279static void NdisGetCurrentProcessorCounts(uint32_t *, uint32_t *, uint32_t *); 280static void NdisMIndicateStatusComplete(ndis_handle); 281static void NdisMIndicateStatus(ndis_handle, ndis_status, 282 void *, uint32_t); 283static uint8_t ndis_intr(kinterrupt *, void *); 284static void ndis_intrhand(kdpc *, ndis_miniport_interrupt *, void *, void *); 285static funcptr ndis_findwrap(funcptr); 286static void NdisCopyFromPacketToPacket(ndis_packet *, 287 uint32_t, uint32_t, ndis_packet *, uint32_t, uint32_t *); 288static void NdisCopyFromPacketToPacketSafe(ndis_packet *, 289 uint32_t, uint32_t, ndis_packet *, uint32_t, uint32_t *, uint32_t); 290static void NdisIMCopySendPerPacketInfo(ndis_packet *, ndis_packet *); 291static ndis_status NdisMRegisterDevice(ndis_handle, 292 unicode_string *, unicode_string *, driver_dispatch **, 293 void **, ndis_handle *); 294static ndis_status NdisMDeregisterDevice(ndis_handle); 295static ndis_status 296 NdisMQueryAdapterInstanceName(unicode_string *, ndis_handle); 297static void NdisMRegisterUnloadHandler(ndis_handle, void *); 298static void dummy(void); 299 300/* 301 * Some really old drivers do not properly check the return value 302 * from NdisAllocatePacket() and NdisAllocateBuffer() and will 303 * sometimes allocate few more buffers/packets that they originally 304 * requested when they created the pool. To prevent this from being 305 * a problem, we allocate a few extra buffers/packets beyond what 306 * the driver asks for. This #define controls how many. 307 */ 308#define NDIS_POOL_EXTRA 16 309 310int 311ndis_libinit() 312{ 313 image_patch_table *patch; 314 315 strcpy(ndis_filepath, "/compat/ndis"); 316 317 patch = ndis_functbl; 318 while (patch->ipt_func != NULL) { 319 windrv_wrap((funcptr)patch->ipt_func, 320 (funcptr *)&patch->ipt_wrap, 321 patch->ipt_argcnt, patch->ipt_ftype); 322 patch++; 323 } 324 325 return (0); 326} 327 328int 329ndis_libfini() 330{ 331 image_patch_table *patch; 332 333 patch = ndis_functbl; 334 while (patch->ipt_func != NULL) { 335 windrv_unwrap(patch->ipt_wrap); 336 patch++; 337 } 338 339 return (0); 340} 341 342static funcptr 343ndis_findwrap(func) 344 funcptr func; 345{ 346 image_patch_table *patch; 347 348 patch = ndis_functbl; 349 while (patch->ipt_func != NULL) { 350 if ((funcptr)patch->ipt_func == func) 351 return ((funcptr)patch->ipt_wrap); 352 patch++; 353 } 354 355 return (NULL); 356} 357 358/* 359 * This routine does the messy Windows Driver Model device attachment 360 * stuff on behalf of NDIS drivers. We register our own AddDevice 361 * routine here 362 */ 363static void 364NdisInitializeWrapper(wrapper, drv, path, unused) 365 ndis_handle *wrapper; 366 driver_object *drv; 367 void *path; 368 void *unused; 369{ 370 /* 371 * As of yet, I haven't come up with a compelling 372 * reason to define a private NDIS wrapper structure, 373 * so we use a pointer to the driver object as the 374 * wrapper handle. The driver object has the miniport 375 * characteristics struct for this driver hung off it 376 * via IoAllocateDriverObjectExtension(), and that's 377 * really all the private data we need. 378 */ 379 380 *wrapper = drv; 381 382 /* 383 * If this was really Windows, we'd be registering dispatch 384 * routines for the NDIS miniport module here, but we're 385 * not Windows so all we really need to do is set up an 386 * AddDevice function that'll be invoked when a new device 387 * instance appears. 388 */ 389 390 drv->dro_driverext->dre_adddevicefunc = NdisAddDevice; 391} 392 393static void 394NdisTerminateWrapper(handle, syspec) 395 ndis_handle handle; 396 void *syspec; 397{ 398 /* Nothing to see here, move along. */ 399} 400 401static ndis_status 402NdisMRegisterMiniport(handle, characteristics, len) 403 ndis_handle handle; 404 ndis_miniport_characteristics *characteristics; 405 int len; 406{ 407 ndis_miniport_characteristics *ch = NULL; 408 driver_object *drv; 409 410 drv = (driver_object *)handle; 411 412 /* 413 * We need to save the NDIS miniport characteristics 414 * somewhere. This data is per-driver, not per-device 415 * (all devices handled by the same driver have the 416 * same characteristics) so we hook it onto the driver 417 * object using IoAllocateDriverObjectExtension(). 418 * The extra extension info is automagically deleted when 419 * the driver is unloaded (see windrv_unload()). 420 */ 421 422 if (IoAllocateDriverObjectExtension(drv, (void *)1, 423 sizeof(ndis_miniport_characteristics), (void **)&ch) != 424 STATUS_SUCCESS) { 425 return (NDIS_STATUS_RESOURCES); 426 } 427 428 bzero((char *)ch, sizeof(ndis_miniport_characteristics)); 429 430 bcopy((char *)characteristics, (char *)ch, len); 431 432 if (ch->nmc_version_major < 5 || ch->nmc_version_minor < 1) { 433 ch->nmc_shutdown_handler = NULL; 434 ch->nmc_canceltxpkts_handler = NULL; 435 ch->nmc_pnpevent_handler = NULL; 436 } 437 438 return (NDIS_STATUS_SUCCESS); 439} 440 441static ndis_status 442NdisAllocateMemoryWithTag(vaddr, len, tag) 443 void **vaddr; 444 uint32_t len; 445 uint32_t tag; 446{ 447 void *mem; 448 449 mem = ExAllocatePoolWithTag(NonPagedPool, len, tag); 450 if (mem == NULL) { 451 return (NDIS_STATUS_RESOURCES); 452 } 453 *vaddr = mem; 454 455 return (NDIS_STATUS_SUCCESS); 456} 457 458static ndis_status 459NdisAllocateMemory(vaddr, len, flags, highaddr) 460 void **vaddr; 461 uint32_t len; 462 uint32_t flags; 463 ndis_physaddr highaddr; 464{ 465 void *mem; 466 467 mem = ExAllocatePoolWithTag(NonPagedPool, len, 0); 468 if (mem == NULL) 469 return (NDIS_STATUS_RESOURCES); 470 *vaddr = mem; 471 472 return (NDIS_STATUS_SUCCESS); 473} 474 475static void 476NdisFreeMemory(vaddr, len, flags) 477 void *vaddr; 478 uint32_t len; 479 uint32_t flags; 480{ 481 if (len == 0) 482 return; 483 484 ExFreePool(vaddr); 485} 486 487static ndis_status 488NdisMSetAttributesEx(adapter_handle, adapter_ctx, hangsecs, 489 flags, iftype) 490 ndis_handle adapter_handle; 491 ndis_handle adapter_ctx; 492 uint32_t hangsecs; 493 uint32_t flags; 494 ndis_interface_type iftype; 495{ 496 ndis_miniport_block *block; 497 498 /* 499 * Save the adapter context, we need it for calling 500 * the driver's internal functions. 501 */ 502 block = (ndis_miniport_block *)adapter_handle; 503 block->nmb_miniportadapterctx = adapter_ctx; 504 block->nmb_checkforhangsecs = hangsecs; 505 block->nmb_flags = flags; 506 507 return (NDIS_STATUS_SUCCESS); 508} 509 510static void 511NdisOpenConfiguration(status, cfg, wrapctx) 512 ndis_status *status; 513 ndis_handle *cfg; 514 ndis_handle wrapctx; 515{ 516 *cfg = wrapctx; 517 *status = NDIS_STATUS_SUCCESS; 518} 519 520static void 521NdisOpenConfigurationKeyByName(status, cfg, subkey, subhandle) 522 ndis_status *status; 523 ndis_handle cfg; 524 unicode_string *subkey; 525 ndis_handle *subhandle; 526{ 527 *subhandle = cfg; 528 *status = NDIS_STATUS_SUCCESS; 529} 530 531static void 532NdisOpenConfigurationKeyByIndex(status, cfg, idx, subkey, subhandle) 533 ndis_status *status; 534 ndis_handle cfg; 535 uint32_t idx; 536 unicode_string *subkey; 537 ndis_handle *subhandle; 538{ 539 *status = NDIS_STATUS_FAILURE; 540} 541 542static ndis_status 543ndis_encode_parm(block, oid, type, parm) 544 ndis_miniport_block *block; 545 struct sysctl_oid *oid; 546 ndis_parm_type type; 547 ndis_config_parm **parm; 548{ 549 ndis_config_parm *p; 550 ndis_parmlist_entry *np; 551 unicode_string *us; 552 ansi_string as; 553 int base = 0; 554 uint32_t val; 555 char tmp[32]; 556 557 np = ExAllocatePoolWithTag(NonPagedPool, 558 sizeof(ndis_parmlist_entry), 0); 559 if (np == NULL) 560 return (NDIS_STATUS_RESOURCES); 561 InsertHeadList((&block->nmb_parmlist), (&np->np_list)); 562 *parm = p = &np->np_parm; 563 564 switch(type) { 565 case ndis_parm_string: 566 /* See if this might be a number. */ 567 val = strtoul((char *)oid->oid_arg1, NULL, 10); 568 us = &p->ncp_parmdata.ncp_stringdata; 569 p->ncp_type = ndis_parm_string; 570 if (val) { 571 snprintf(tmp, 32, "%x", val); 572 RtlInitAnsiString(&as, tmp); 573 } else { 574 RtlInitAnsiString(&as, (char *)oid->oid_arg1); 575 } 576 577 if (RtlAnsiStringToUnicodeString(us, &as, TRUE)) { 578 ExFreePool(np); 579 return (NDIS_STATUS_RESOURCES); 580 } 581 break; 582 case ndis_parm_int: 583 if (strncmp((char *)oid->oid_arg1, "0x", 2) == 0) 584 base = 16; 585 else 586 base = 10; 587 p->ncp_type = ndis_parm_int; 588 p->ncp_parmdata.ncp_intdata = 589 strtol((char *)oid->oid_arg1, NULL, base); 590 break; 591 case ndis_parm_hexint: 592#ifdef notdef 593 if (strncmp((char *)oid->oid_arg1, "0x", 2) == 0) 594 base = 16; 595 else 596 base = 10; 597#endif 598 base = 16; 599 p->ncp_type = ndis_parm_hexint; 600 p->ncp_parmdata.ncp_intdata = 601 strtoul((char *)oid->oid_arg1, NULL, base); 602 break; 603 default: 604 return (NDIS_STATUS_FAILURE); 605 break; 606 } 607 608 return (NDIS_STATUS_SUCCESS); 609} 610 611static void 612NdisReadConfiguration(status, parm, cfg, key, type) 613 ndis_status *status; 614 ndis_config_parm **parm; 615 ndis_handle cfg; 616 unicode_string *key; 617 ndis_parm_type type; 618{ 619 char *keystr = NULL; 620 ndis_miniport_block *block; 621 struct ndis_softc *sc; 622 struct sysctl_oid *oidp; 623 struct sysctl_ctx_entry *e; 624 ansi_string as; 625 626 block = (ndis_miniport_block *)cfg; 627 sc = device_get_softc(block->nmb_physdeviceobj->do_devext); 628 629 if (key->us_len == 0 || key->us_buf == NULL) { 630 *status = NDIS_STATUS_FAILURE; 631 return; 632 } 633 634 if (RtlUnicodeStringToAnsiString(&as, key, TRUE)) { 635 *status = NDIS_STATUS_RESOURCES; 636 return; 637 } 638 639 keystr = as.as_buf; 640 641 /* 642 * See if registry key is already in a list of known keys 643 * included with the driver. 644 */ 645 TAILQ_FOREACH(e, device_get_sysctl_ctx(sc->ndis_dev), link) { 646 oidp = e->entry; 647 if (strcasecmp(oidp->oid_name, keystr) == 0) { 648 if (strcmp((char *)oidp->oid_arg1, "UNSET") == 0) { 649 RtlFreeAnsiString(&as); 650 *status = NDIS_STATUS_FAILURE; 651 return; 652 } 653 654 *status = ndis_encode_parm(block, oidp, type, parm); 655 RtlFreeAnsiString(&as); 656 return; 657 } 658 } 659 660 /* 661 * If the key didn't match, add it to the list of dynamically 662 * created ones. Sometimes, drivers refer to registry keys 663 * that aren't documented in their .INF files. These keys 664 * are supposed to be created by some sort of utility or 665 * control panel snap-in that comes with the driver software. 666 * Sometimes it's useful to be able to manipulate these. 667 * If the driver requests the key in the form of a string, 668 * make its default value an empty string, otherwise default 669 * it to "0". 670 */ 671 672 if (type == ndis_parm_int || type == ndis_parm_hexint) 673 ndis_add_sysctl(sc, keystr, "(dynamic integer key)", 674 "UNSET", CTLFLAG_RW); 675 else 676 ndis_add_sysctl(sc, keystr, "(dynamic string key)", 677 "UNSET", CTLFLAG_RW); 678 679 RtlFreeAnsiString(&as); 680 *status = NDIS_STATUS_FAILURE; 681} 682 683static ndis_status 684ndis_decode_parm(block, parm, val) 685 ndis_miniport_block *block; 686 ndis_config_parm *parm; 687 char *val; 688{ 689 unicode_string *ustr; 690 ansi_string as; 691 692 switch(parm->ncp_type) { 693 case ndis_parm_string: 694 ustr = &parm->ncp_parmdata.ncp_stringdata; 695 if (RtlUnicodeStringToAnsiString(&as, ustr, TRUE)) 696 return (NDIS_STATUS_RESOURCES); 697 bcopy(as.as_buf, val, as.as_len); 698 RtlFreeAnsiString(&as); 699 break; 700 case ndis_parm_int: 701 sprintf(val, "%d", parm->ncp_parmdata.ncp_intdata); 702 break; 703 case ndis_parm_hexint: 704 sprintf(val, "%xu", parm->ncp_parmdata.ncp_intdata); 705 break; 706 default: 707 return (NDIS_STATUS_FAILURE); 708 break; 709 } 710 return (NDIS_STATUS_SUCCESS); 711} 712 713static void 714NdisWriteConfiguration(status, cfg, key, parm) 715 ndis_status *status; 716 ndis_handle cfg; 717 unicode_string *key; 718 ndis_config_parm *parm; 719{ 720 ansi_string as; 721 char *keystr = NULL; 722 ndis_miniport_block *block; 723 struct ndis_softc *sc; 724 struct sysctl_oid *oidp; 725 struct sysctl_ctx_entry *e; 726 char val[256]; 727 728 block = (ndis_miniport_block *)cfg; 729 sc = device_get_softc(block->nmb_physdeviceobj->do_devext); 730 731 if (RtlUnicodeStringToAnsiString(&as, key, TRUE)) { 732 *status = NDIS_STATUS_RESOURCES; 733 return; 734 } 735 736 keystr = as.as_buf; 737 738 /* Decode the parameter into a string. */ 739 bzero(val, sizeof(val)); 740 *status = ndis_decode_parm(block, parm, val); 741 if (*status != NDIS_STATUS_SUCCESS) { 742 RtlFreeAnsiString(&as); 743 return; 744 } 745 746 /* See if the key already exists. */ 747 748 TAILQ_FOREACH(e, device_get_sysctl_ctx(sc->ndis_dev), link) { 749 oidp = e->entry; 750 if (strcasecmp(oidp->oid_name, keystr) == 0) { 751 /* Found it, set the value. */ 752 strcpy((char *)oidp->oid_arg1, val); 753 RtlFreeAnsiString(&as); 754 return; 755 } 756 } 757 758 /* Not found, add a new key with the specified value. */ 759 ndis_add_sysctl(sc, keystr, "(dynamically set key)", 760 val, CTLFLAG_RW); 761 762 RtlFreeAnsiString(&as); 763 *status = NDIS_STATUS_SUCCESS; 764} 765 766static void 767NdisCloseConfiguration(cfg) 768 ndis_handle cfg; 769{ 770 list_entry *e; 771 ndis_parmlist_entry *pe; 772 ndis_miniport_block *block; 773 ndis_config_parm *p; 774 775 block = (ndis_miniport_block *)cfg; 776 777 while (!IsListEmpty(&block->nmb_parmlist)) { 778 e = RemoveHeadList(&block->nmb_parmlist); 779 pe = CONTAINING_RECORD(e, ndis_parmlist_entry, np_list); 780 p = &pe->np_parm; 781 if (p->ncp_type == ndis_parm_string) 782 RtlFreeUnicodeString(&p->ncp_parmdata.ncp_stringdata); 783 ExFreePool(e); 784 } 785} 786 787/* 788 * Initialize a Windows spinlock. 789 */ 790static void 791NdisAllocateSpinLock(lock) 792 ndis_spin_lock *lock; 793{ 794 KeInitializeSpinLock(&lock->nsl_spinlock); 795 lock->nsl_kirql = 0; 796} 797 798/* 799 * Destroy a Windows spinlock. This is a no-op for now. There are two reasons 800 * for this. One is that it's sort of superfluous: we don't have to do anything 801 * special to deallocate the spinlock. The other is that there are some buggy 802 * drivers which call NdisFreeSpinLock() _after_ calling NdisFreeMemory() on 803 * the block of memory in which the spinlock resides. (Yes, ADMtek, I'm 804 * talking to you.) 805 */ 806static void 807NdisFreeSpinLock(lock) 808 ndis_spin_lock *lock; 809{ 810#ifdef notdef 811 KeInitializeSpinLock(&lock->nsl_spinlock); 812 lock->nsl_kirql = 0; 813#endif 814} 815 816/* 817 * Acquire a spinlock from IRQL <= DISPATCH_LEVEL. 818 */ 819 820static void 821NdisAcquireSpinLock(lock) 822 ndis_spin_lock *lock; 823{ 824 KeAcquireSpinLock(&lock->nsl_spinlock, &lock->nsl_kirql); 825} 826 827/* 828 * Release a spinlock from IRQL == DISPATCH_LEVEL. 829 */ 830 831static void 832NdisReleaseSpinLock(lock) 833 ndis_spin_lock *lock; 834{ 835 KeReleaseSpinLock(&lock->nsl_spinlock, lock->nsl_kirql); 836} 837 838/* 839 * Acquire a spinlock when already running at IRQL == DISPATCH_LEVEL. 840 */ 841static void 842NdisDprAcquireSpinLock(lock) 843 ndis_spin_lock *lock; 844{ 845 KeAcquireSpinLockAtDpcLevel(&lock->nsl_spinlock); 846} 847 848/* 849 * Release a spinlock without leaving IRQL == DISPATCH_LEVEL. 850 */ 851static void 852NdisDprReleaseSpinLock(lock) 853 ndis_spin_lock *lock; 854{ 855 KeReleaseSpinLockFromDpcLevel(&lock->nsl_spinlock); 856} 857 858static void 859NdisInitializeReadWriteLock(lock) 860 ndis_rw_lock *lock; 861{ 862 KeInitializeSpinLock(&lock->nrl_spinlock); 863 bzero((char *)&lock->nrl_rsvd, sizeof(lock->nrl_rsvd)); 864} 865 866static void 867NdisAcquireReadWriteLock(ndis_rw_lock *lock, uint8_t writeacc, 868 ndis_lock_state *state) 869{ 870 if (writeacc == TRUE) { 871 KeAcquireSpinLock(&lock->nrl_spinlock, &state->nls_oldirql); 872 lock->nrl_rsvd[0]++; 873 } else 874 lock->nrl_rsvd[1]++; 875} 876 877static void 878NdisReleaseReadWriteLock(lock, state) 879 ndis_rw_lock *lock; 880 ndis_lock_state *state; 881{ 882 if (lock->nrl_rsvd[0]) { 883 lock->nrl_rsvd[0]--; 884 KeReleaseSpinLock(&lock->nrl_spinlock, state->nls_oldirql); 885 } else 886 lock->nrl_rsvd[1]--; 887} 888 889static uint32_t 890NdisReadPciSlotInformation(adapter, slot, offset, buf, len) 891 ndis_handle adapter; 892 uint32_t slot; 893 uint32_t offset; 894 void *buf; 895 uint32_t len; 896{ 897 ndis_miniport_block *block; 898 int i; 899 char *dest; 900 device_t dev; 901 902 block = (ndis_miniport_block *)adapter; 903 dest = buf; 904 if (block == NULL) 905 return (0); 906 907 dev = block->nmb_physdeviceobj->do_devext; 908 909 /* 910 * I have a test system consisting of a Sun w2100z 911 * dual 2.4Ghz Opteron machine and an Atheros 802.11a/b/g 912 * "Aries" miniPCI NIC. (The NIC is installed in the 913 * machine using a miniPCI to PCI bus adapter card.) 914 * When running in SMP mode, I found that 915 * performing a large number of consecutive calls to 916 * NdisReadPciSlotInformation() would result in a 917 * sudden system reset (or in some cases a freeze). 918 * My suspicion is that the multiple reads are somehow 919 * triggering a fatal PCI bus error that leads to a 920 * machine check. The 1us delay in the loop below 921 * seems to prevent this problem. 922 */ 923 924 for (i = 0; i < len; i++) { 925 DELAY(1); 926 dest[i] = pci_read_config(dev, i + offset, 1); 927 } 928 929 return (len); 930} 931 932static uint32_t 933NdisWritePciSlotInformation(adapter, slot, offset, buf, len) 934 ndis_handle adapter; 935 uint32_t slot; 936 uint32_t offset; 937 void *buf; 938 uint32_t len; 939{ 940 ndis_miniport_block *block; 941 int i; 942 char *dest; 943 device_t dev; 944 945 block = (ndis_miniport_block *)adapter; 946 dest = buf; 947 948 if (block == NULL) 949 return (0); 950 951 dev = block->nmb_physdeviceobj->do_devext; 952 for (i = 0; i < len; i++) { 953 DELAY(1); 954 pci_write_config(dev, i + offset, dest[i], 1); 955 } 956 957 return (len); 958} 959 960/* 961 * The errorlog routine uses a variable argument list, so we 962 * have to declare it this way. 963 */ 964 965#define ERRMSGLEN 512 966static void 967NdisWriteErrorLogEntry(ndis_handle adapter, ndis_error_code code, 968 uint32_t numerrors, ...) 969{ 970 ndis_miniport_block *block; 971 va_list ap; 972 int i, error; 973 char *str = NULL; 974 uint16_t flags; 975 device_t dev; 976 driver_object *drv; 977 struct ndis_softc *sc; 978 struct ifnet *ifp; 979 unicode_string us; 980 ansi_string as = { 0, 0, NULL }; 981 982 block = (ndis_miniport_block *)adapter; 983 dev = block->nmb_physdeviceobj->do_devext; 984 drv = block->nmb_deviceobj->do_drvobj; 985 sc = device_get_softc(dev); 986 ifp = sc->ifp; 987 988 if (ifp != NULL && ifp->if_flags & IFF_DEBUG) { 989 error = pe_get_message((vm_offset_t)drv->dro_driverstart, 990 code, &str, &i, &flags); 991 if (error == 0) { 992 if (flags & MESSAGE_RESOURCE_UNICODE) { 993 RtlInitUnicodeString(&us, (uint16_t *)str); 994 if (RtlUnicodeStringToAnsiString(&as, 995 &us, TRUE) == STATUS_SUCCESS) 996 str = as.as_buf; 997 else 998 str = NULL; 999 } 1000 } 1001 } 1002 1003 device_printf(dev, "NDIS ERROR: %x (%s)\n", code, 1004 str == NULL ? "unknown error" : str); 1005 1006 if (ifp != NULL && ifp->if_flags & IFF_DEBUG) { 1007 device_printf(dev, "NDIS NUMERRORS: %x\n", numerrors); 1008 va_start(ap, numerrors); 1009 for (i = 0; i < numerrors; i++) 1010 device_printf(dev, "argptr: %p\n", 1011 va_arg(ap, void *)); 1012 va_end(ap); 1013 } 1014 1015 if (as.as_len) 1016 RtlFreeAnsiString(&as); 1017} 1018 1019static void 1020ndis_map_cb(arg, segs, nseg, error) 1021 void *arg; 1022 bus_dma_segment_t *segs; 1023 int nseg; 1024 int error; 1025{ 1026 struct ndis_map_arg *ctx; 1027 int i; 1028 1029 if (error) 1030 return; 1031 1032 ctx = arg; 1033 1034 for (i = 0; i < nseg; i++) { 1035 ctx->nma_fraglist[i].npu_physaddr.np_quad = segs[i].ds_addr; 1036 ctx->nma_fraglist[i].npu_len = segs[i].ds_len; 1037 } 1038 1039 ctx->nma_cnt = nseg; 1040} 1041 1042static void 1043NdisMStartBufferPhysicalMapping(ndis_handle adapter, ndis_buffer *buf, 1044 uint32_t mapreg, uint8_t writedev, ndis_paddr_unit *addrarray, 1045 uint32_t *arraysize) 1046{ 1047 ndis_miniport_block *block; 1048 struct ndis_softc *sc; 1049 struct ndis_map_arg nma; 1050 bus_dmamap_t map; 1051 int error; 1052 1053 if (adapter == NULL) 1054 return; 1055 1056 block = (ndis_miniport_block *)adapter; 1057 sc = device_get_softc(block->nmb_physdeviceobj->do_devext); 1058 1059 if (mapreg > sc->ndis_mmapcnt) 1060 return; 1061 1062 map = sc->ndis_mmaps[mapreg]; 1063 nma.nma_fraglist = addrarray; 1064 1065 error = bus_dmamap_load(sc->ndis_mtag, map, 1066 MmGetMdlVirtualAddress(buf), MmGetMdlByteCount(buf), ndis_map_cb, 1067 (void *)&nma, BUS_DMA_NOWAIT); 1068 1069 if (error) 1070 return; 1071 1072 bus_dmamap_sync(sc->ndis_mtag, map, 1073 writedev ? BUS_DMASYNC_PREWRITE : BUS_DMASYNC_PREREAD); 1074 1075 *arraysize = nma.nma_cnt; 1076} 1077 1078static void 1079NdisMCompleteBufferPhysicalMapping(adapter, buf, mapreg) 1080 ndis_handle adapter; 1081 ndis_buffer *buf; 1082 uint32_t mapreg; 1083{ 1084 ndis_miniport_block *block; 1085 struct ndis_softc *sc; 1086 bus_dmamap_t map; 1087 1088 if (adapter == NULL) 1089 return; 1090 1091 block = (ndis_miniport_block *)adapter; 1092 sc = device_get_softc(block->nmb_physdeviceobj->do_devext); 1093 1094 if (mapreg > sc->ndis_mmapcnt) 1095 return; 1096 1097 map = sc->ndis_mmaps[mapreg]; 1098 1099 bus_dmamap_sync(sc->ndis_mtag, map, 1100 BUS_DMASYNC_POSTREAD|BUS_DMASYNC_POSTWRITE); 1101 1102 bus_dmamap_unload(sc->ndis_mtag, map); 1103} 1104 1105/* 1106 * This is an older (?) timer init routine which doesn't 1107 * accept a miniport context handle. Serialized miniports should 1108 * never call this function. 1109 */ 1110 1111static void 1112NdisInitializeTimer(timer, func, ctx) 1113 ndis_timer *timer; 1114 ndis_timer_function func; 1115 void *ctx; 1116{ 1117 KeInitializeTimer(&timer->nt_ktimer); 1118 KeInitializeDpc(&timer->nt_kdpc, func, ctx); 1119 KeSetImportanceDpc(&timer->nt_kdpc, KDPC_IMPORTANCE_LOW); 1120} 1121 1122static void 1123ndis_timercall(dpc, timer, sysarg1, sysarg2) 1124 kdpc *dpc; 1125 ndis_miniport_timer *timer; 1126 void *sysarg1; 1127 void *sysarg2; 1128{ 1129 /* 1130 * Since we're called as a DPC, we should be running 1131 * at DISPATCH_LEVEL here. This means to acquire the 1132 * spinlock, we can use KeAcquireSpinLockAtDpcLevel() 1133 * rather than KeAcquireSpinLock(). 1134 */ 1135 if (NDIS_SERIALIZED(timer->nmt_block)) 1136 KeAcquireSpinLockAtDpcLevel(&timer->nmt_block->nmb_lock); 1137 1138 MSCALL4(timer->nmt_timerfunc, dpc, timer->nmt_timerctx, 1139 sysarg1, sysarg2); 1140 1141 if (NDIS_SERIALIZED(timer->nmt_block)) 1142 KeReleaseSpinLockFromDpcLevel(&timer->nmt_block->nmb_lock); 1143} 1144 1145/* 1146 * For a long time I wondered why there were two NDIS timer initialization 1147 * routines, and why this one needed an NDIS_MINIPORT_TIMER and the 1148 * MiniportAdapterHandle. The NDIS_MINIPORT_TIMER has its own callout 1149 * function and context pointers separate from those in the DPC, which 1150 * allows for another level of indirection: when the timer fires, we 1151 * can have our own timer function invoked, and from there we can call 1152 * the driver's function. But why go to all that trouble? Then it hit 1153 * me: for serialized miniports, the timer callouts are not re-entrant. 1154 * By trapping the callouts and having access to the MiniportAdapterHandle, 1155 * we can protect the driver callouts by acquiring the NDIS serialization 1156 * lock. This is essential for allowing serialized miniports to work 1157 * correctly on SMP systems. On UP hosts, setting IRQL to DISPATCH_LEVEL 1158 * is enough to prevent other threads from pre-empting you, but with 1159 * SMP, you must acquire a lock as well, otherwise the other CPU is 1160 * free to clobber you. 1161 */ 1162static void 1163NdisMInitializeTimer(timer, handle, func, ctx) 1164 ndis_miniport_timer *timer; 1165 ndis_handle handle; 1166 ndis_timer_function func; 1167 void *ctx; 1168{ 1169 ndis_miniport_block *block; 1170 struct ndis_softc *sc; 1171 1172 block = (ndis_miniport_block *)handle; 1173 sc = device_get_softc(block->nmb_physdeviceobj->do_devext); 1174 1175 /* Save the driver's funcptr and context */ 1176 1177 timer->nmt_timerfunc = func; 1178 timer->nmt_timerctx = ctx; 1179 timer->nmt_block = handle; 1180 1181 /* 1182 * Set up the timer so it will call our intermediate DPC. 1183 * Be sure to use the wrapped entry point, since 1184 * ntoskrnl_run_dpc() expects to invoke a function with 1185 * Microsoft calling conventions. 1186 */ 1187 KeInitializeTimer(&timer->nmt_ktimer); 1188 KeInitializeDpc(&timer->nmt_kdpc, 1189 ndis_findwrap((funcptr)ndis_timercall), timer); 1190 timer->nmt_ktimer.k_dpc = &timer->nmt_kdpc; 1191} 1192 1193/* 1194 * In Windows, there's both an NdisMSetTimer() and an NdisSetTimer(), 1195 * but the former is just a macro wrapper around the latter. 1196 */ 1197static void 1198NdisSetTimer(timer, msecs) 1199 ndis_timer *timer; 1200 uint32_t msecs; 1201{ 1202 /* 1203 * KeSetTimer() wants the period in 1204 * hundred nanosecond intervals. 1205 */ 1206 KeSetTimer(&timer->nt_ktimer, 1207 ((int64_t)msecs * -10000), &timer->nt_kdpc); 1208} 1209 1210static void 1211NdisMSetPeriodicTimer(timer, msecs) 1212 ndis_miniport_timer *timer; 1213 uint32_t msecs; 1214{ 1215 KeSetTimerEx(&timer->nmt_ktimer, 1216 ((int64_t)msecs * -10000), msecs, &timer->nmt_kdpc); 1217} 1218 1219/* 1220 * Technically, this is really NdisCancelTimer(), but we also 1221 * (ab)use it for NdisMCancelTimer(), since in our implementation 1222 * we don't need the extra info in the ndis_miniport_timer 1223 * structure just to cancel a timer. 1224 */ 1225 1226static void 1227NdisMCancelTimer(timer, cancelled) 1228 ndis_timer *timer; 1229 uint8_t *cancelled; 1230{ 1231 1232 *cancelled = KeCancelTimer(&timer->nt_ktimer); 1233} 1234 1235static void 1236NdisMQueryAdapterResources(status, adapter, list, buflen) 1237 ndis_status *status; 1238 ndis_handle adapter; 1239 ndis_resource_list *list; 1240 uint32_t *buflen; 1241{ 1242 ndis_miniport_block *block; 1243 struct ndis_softc *sc; 1244 int rsclen; 1245 1246 block = (ndis_miniport_block *)adapter; 1247 sc = device_get_softc(block->nmb_physdeviceobj->do_devext); 1248 1249 rsclen = sizeof(ndis_resource_list) + 1250 (sizeof(cm_partial_resource_desc) * (sc->ndis_rescnt - 1)); 1251 if (*buflen < rsclen) { 1252 *buflen = rsclen; 1253 *status = NDIS_STATUS_INVALID_LENGTH; 1254 return; 1255 } 1256 1257 bcopy((char *)block->nmb_rlist, (char *)list, rsclen); 1258 *status = NDIS_STATUS_SUCCESS; 1259} 1260 1261static ndis_status 1262NdisMRegisterIoPortRange(offset, adapter, port, numports) 1263 void **offset; 1264 ndis_handle adapter; 1265 uint32_t port; 1266 uint32_t numports; 1267{ 1268 struct ndis_miniport_block *block; 1269 struct ndis_softc *sc; 1270 1271 if (adapter == NULL) 1272 return (NDIS_STATUS_FAILURE); 1273 1274 block = (ndis_miniport_block *)adapter; 1275 sc = device_get_softc(block->nmb_physdeviceobj->do_devext); 1276 1277 if (sc->ndis_res_io == NULL) 1278 return (NDIS_STATUS_FAILURE); 1279 1280 /* Don't let the device map more ports than we have. */ 1281 if (rman_get_size(sc->ndis_res_io) < numports) 1282 return (NDIS_STATUS_INVALID_LENGTH); 1283 1284 *offset = (void *)rman_get_start(sc->ndis_res_io); 1285 1286 return (NDIS_STATUS_SUCCESS); 1287} 1288 1289static void 1290NdisMDeregisterIoPortRange(adapter, port, numports, offset) 1291 ndis_handle adapter; 1292 uint32_t port; 1293 uint32_t numports; 1294 void *offset; 1295{ 1296} 1297 1298static void 1299NdisReadNetworkAddress(status, addr, addrlen, adapter) 1300 ndis_status *status; 1301 void **addr; 1302 uint32_t *addrlen; 1303 ndis_handle adapter; 1304{ 1305 struct ndis_softc *sc; 1306 ndis_miniport_block *block; 1307 uint8_t empty[] = { 0, 0, 0, 0, 0, 0 }; 1308 1309 block = (ndis_miniport_block *)adapter; 1310 sc = device_get_softc(block->nmb_physdeviceobj->do_devext); 1311 if (sc->ifp == NULL) { 1312 *status = NDIS_STATUS_FAILURE; 1313 return; 1314 } 1315 1316 if (sc->ifp->if_addr == NULL || 1317 bcmp(IF_LLADDR(sc->ifp), empty, ETHER_ADDR_LEN) == 0) 1318 *status = NDIS_STATUS_FAILURE; 1319 else { 1320 *addr = IF_LLADDR(sc->ifp); 1321 *addrlen = ETHER_ADDR_LEN; 1322 *status = NDIS_STATUS_SUCCESS; 1323 } 1324} 1325 1326static ndis_status 1327NdisQueryMapRegisterCount(bustype, cnt) 1328 uint32_t bustype; 1329 uint32_t *cnt; 1330{ 1331 *cnt = 8192; 1332 return (NDIS_STATUS_SUCCESS); 1333} 1334 1335static ndis_status 1336NdisMAllocateMapRegisters(ndis_handle adapter, uint32_t dmachannel, 1337 uint8_t dmasize, uint32_t physmapneeded, uint32_t maxmap) 1338{ 1339 struct ndis_softc *sc; 1340 ndis_miniport_block *block; 1341 int error, i, nseg = NDIS_MAXSEG; 1342 1343 block = (ndis_miniport_block *)adapter; 1344 sc = device_get_softc(block->nmb_physdeviceobj->do_devext); 1345 1346 sc->ndis_mmaps = malloc(sizeof(bus_dmamap_t) * physmapneeded, 1347 M_DEVBUF, M_NOWAIT|M_ZERO); 1348 1349 if (sc->ndis_mmaps == NULL) 1350 return (NDIS_STATUS_RESOURCES); 1351 1352 error = bus_dma_tag_create(sc->ndis_parent_tag, ETHER_ALIGN, 0, 1353 BUS_SPACE_MAXADDR_32BIT, BUS_SPACE_MAXADDR, NULL, 1354 NULL, maxmap * nseg, nseg, maxmap, BUS_DMA_ALLOCNOW, 1355 NULL, NULL, &sc->ndis_mtag); 1356 1357 if (error) { 1358 free(sc->ndis_mmaps, M_DEVBUF); 1359 return (NDIS_STATUS_RESOURCES); 1360 } 1361 1362 for (i = 0; i < physmapneeded; i++) 1363 bus_dmamap_create(sc->ndis_mtag, 0, &sc->ndis_mmaps[i]); 1364 1365 sc->ndis_mmapcnt = physmapneeded; 1366 1367 return (NDIS_STATUS_SUCCESS); 1368} 1369 1370static void 1371NdisMFreeMapRegisters(adapter) 1372 ndis_handle adapter; 1373{ 1374 struct ndis_softc *sc; 1375 ndis_miniport_block *block; 1376 int i; 1377 1378 block = (ndis_miniport_block *)adapter; 1379 sc = device_get_softc(block->nmb_physdeviceobj->do_devext); 1380 1381 for (i = 0; i < sc->ndis_mmapcnt; i++) 1382 bus_dmamap_destroy(sc->ndis_mtag, sc->ndis_mmaps[i]); 1383 1384 free(sc->ndis_mmaps, M_DEVBUF); 1385 1386 bus_dma_tag_destroy(sc->ndis_mtag); 1387} 1388 1389static void 1390ndis_mapshared_cb(arg, segs, nseg, error) 1391 void *arg; 1392 bus_dma_segment_t *segs; 1393 int nseg; 1394 int error; 1395{ 1396 ndis_physaddr *p; 1397 1398 if (error || nseg > 1) 1399 return; 1400 1401 p = arg; 1402 1403 p->np_quad = segs[0].ds_addr; 1404} 1405 1406/* 1407 * This maps to bus_dmamem_alloc(). 1408 */ 1409 1410static void 1411NdisMAllocateSharedMemory(ndis_handle adapter, uint32_t len, uint8_t cached, 1412 void **vaddr, ndis_physaddr *paddr) 1413{ 1414 ndis_miniport_block *block; 1415 struct ndis_softc *sc; 1416 struct ndis_shmem *sh; 1417 int error; 1418 1419 if (adapter == NULL) 1420 return; 1421 1422 block = (ndis_miniport_block *)adapter; 1423 sc = device_get_softc(block->nmb_physdeviceobj->do_devext); 1424 1425 sh = malloc(sizeof(struct ndis_shmem), M_DEVBUF, M_NOWAIT|M_ZERO); 1426 if (sh == NULL) 1427 return; 1428 1429 InitializeListHead(&sh->ndis_list); 1430 1431 /* 1432 * When performing shared memory allocations, create a tag 1433 * with a lowaddr limit that restricts physical memory mappings 1434 * so that they all fall within the first 1GB of memory. 1435 * At least one device/driver combination (Linksys Instant 1436 * Wireless PCI Card V2.7, Broadcom 802.11b) seems to have 1437 * problems with performing DMA operations with physical 1438 * addresses that lie above the 1GB mark. I don't know if this 1439 * is a hardware limitation or if the addresses are being 1440 * truncated within the driver, but this seems to be the only 1441 * way to make these cards work reliably in systems with more 1442 * than 1GB of physical memory. 1443 */ 1444 1445 error = bus_dma_tag_create(sc->ndis_parent_tag, 64, 1446 0, NDIS_BUS_SPACE_SHARED_MAXADDR, BUS_SPACE_MAXADDR, NULL, 1447 NULL, len, 1, len, BUS_DMA_ALLOCNOW, NULL, NULL, 1448 &sh->ndis_stag); 1449 1450 if (error) { 1451 free(sh, M_DEVBUF); 1452 return; 1453 } 1454 1455 error = bus_dmamem_alloc(sh->ndis_stag, vaddr, 1456 BUS_DMA_NOWAIT | BUS_DMA_ZERO, &sh->ndis_smap); 1457 1458 if (error) { 1459 bus_dma_tag_destroy(sh->ndis_stag); 1460 free(sh, M_DEVBUF); 1461 return; 1462 } 1463 1464 error = bus_dmamap_load(sh->ndis_stag, sh->ndis_smap, *vaddr, 1465 len, ndis_mapshared_cb, (void *)paddr, BUS_DMA_NOWAIT); 1466 1467 if (error) { 1468 bus_dmamem_free(sh->ndis_stag, *vaddr, sh->ndis_smap); 1469 bus_dma_tag_destroy(sh->ndis_stag); 1470 free(sh, M_DEVBUF); 1471 return; 1472 } 1473 1474 /* 1475 * Save the physical address along with the source address. 1476 * The AirGo MIMO driver will call NdisMFreeSharedMemory() 1477 * with a bogus virtual address sometimes, but with a valid 1478 * physical address. To keep this from causing trouble, we 1479 * use the physical address to as a sanity check in case 1480 * searching based on the virtual address fails. 1481 */ 1482 1483 NDIS_LOCK(sc); 1484 sh->ndis_paddr.np_quad = paddr->np_quad; 1485 sh->ndis_saddr = *vaddr; 1486 InsertHeadList((&sc->ndis_shlist), (&sh->ndis_list)); 1487 NDIS_UNLOCK(sc); 1488} 1489 1490struct ndis_allocwork { 1491 uint32_t na_len; 1492 uint8_t na_cached; 1493 void *na_ctx; 1494 io_workitem *na_iw; 1495}; 1496 1497static void 1498ndis_asyncmem_complete(dobj, arg) 1499 device_object *dobj; 1500 void *arg; 1501{ 1502 ndis_miniport_block *block; 1503 struct ndis_softc *sc; 1504 struct ndis_allocwork *w; 1505 void *vaddr; 1506 ndis_physaddr paddr; 1507 ndis_allocdone_handler donefunc; 1508 1509 w = arg; 1510 block = (ndis_miniport_block *)dobj->do_devext; 1511 sc = device_get_softc(block->nmb_physdeviceobj->do_devext); 1512 1513 vaddr = NULL; 1514 paddr.np_quad = 0; 1515 1516 donefunc = sc->ndis_chars->nmc_allocate_complete_func; 1517 NdisMAllocateSharedMemory(block, w->na_len, 1518 w->na_cached, &vaddr, &paddr); 1519 MSCALL5(donefunc, block, vaddr, &paddr, w->na_len, w->na_ctx); 1520 1521 IoFreeWorkItem(w->na_iw); 1522 free(w, M_DEVBUF); 1523} 1524 1525static ndis_status 1526NdisMAllocateSharedMemoryAsync(ndis_handle adapter, uint32_t len, 1527 uint8_t cached, void *ctx) 1528{ 1529 ndis_miniport_block *block; 1530 struct ndis_allocwork *w; 1531 io_workitem *iw; 1532 io_workitem_func ifw; 1533 1534 if (adapter == NULL) 1535 return (NDIS_STATUS_FAILURE); 1536 1537 block = adapter; 1538 1539 iw = IoAllocateWorkItem(block->nmb_deviceobj); 1540 if (iw == NULL) 1541 return (NDIS_STATUS_FAILURE); 1542 1543 w = malloc(sizeof(struct ndis_allocwork), M_TEMP, M_NOWAIT); 1544 1545 if (w == NULL) 1546 return (NDIS_STATUS_FAILURE); 1547 1548 w->na_cached = cached; 1549 w->na_len = len; 1550 w->na_ctx = ctx; 1551 w->na_iw = iw; 1552 1553 ifw = (io_workitem_func)ndis_findwrap((funcptr)ndis_asyncmem_complete); 1554 IoQueueWorkItem(iw, ifw, WORKQUEUE_DELAYED, w); 1555 1556 return (NDIS_STATUS_PENDING); 1557} 1558 1559static void 1560NdisMFreeSharedMemory(ndis_handle adapter, uint32_t len, uint8_t cached, 1561 void *vaddr, ndis_physaddr paddr) 1562{ 1563 ndis_miniport_block *block; 1564 struct ndis_softc *sc; 1565 struct ndis_shmem *sh = NULL; 1566 list_entry *l; 1567 1568 if (vaddr == NULL || adapter == NULL) 1569 return; 1570 1571 block = (ndis_miniport_block *)adapter; 1572 sc = device_get_softc(block->nmb_physdeviceobj->do_devext); 1573 1574 /* Sanity check: is list empty? */ 1575 1576 if (IsListEmpty(&sc->ndis_shlist)) 1577 return; 1578 1579 NDIS_LOCK(sc); 1580 l = sc->ndis_shlist.nle_flink; 1581 while (l != &sc->ndis_shlist) { 1582 sh = CONTAINING_RECORD(l, struct ndis_shmem, ndis_list); 1583 if (sh->ndis_saddr == vaddr) 1584 break; 1585 /* 1586 * Check the physaddr too, just in case the driver lied 1587 * about the virtual address. 1588 */ 1589 if (sh->ndis_paddr.np_quad == paddr.np_quad) 1590 break; 1591 l = l->nle_flink; 1592 } 1593 1594 if (sh == NULL) { 1595 NDIS_UNLOCK(sc); 1596 printf("NDIS: buggy driver tried to free " 1597 "invalid shared memory: vaddr: %p paddr: 0x%jx\n", 1598 vaddr, (uintmax_t)paddr.np_quad); 1599 return; 1600 } 1601 1602 RemoveEntryList(&sh->ndis_list); 1603 1604 NDIS_UNLOCK(sc); 1605 1606 bus_dmamap_unload(sh->ndis_stag, sh->ndis_smap); 1607 bus_dmamem_free(sh->ndis_stag, sh->ndis_saddr, sh->ndis_smap); 1608 bus_dma_tag_destroy(sh->ndis_stag); 1609 1610 free(sh, M_DEVBUF); 1611} 1612 1613static ndis_status 1614NdisMMapIoSpace(vaddr, adapter, paddr, len) 1615 void **vaddr; 1616 ndis_handle adapter; 1617 ndis_physaddr paddr; 1618 uint32_t len; 1619{ 1620 if (adapter == NULL) 1621 return (NDIS_STATUS_FAILURE); 1622 1623 *vaddr = MmMapIoSpace(paddr.np_quad, len, 0); 1624 1625 if (*vaddr == NULL) 1626 return (NDIS_STATUS_FAILURE); 1627 1628 return (NDIS_STATUS_SUCCESS); 1629} 1630 1631static void 1632NdisMUnmapIoSpace(adapter, vaddr, len) 1633 ndis_handle adapter; 1634 void *vaddr; 1635 uint32_t len; 1636{ 1637 MmUnmapIoSpace(vaddr, len); 1638} 1639 1640static uint32_t 1641NdisGetCacheFillSize(void) 1642{ 1643 return (128); 1644} 1645 1646static void * 1647NdisGetRoutineAddress(ustr) 1648 unicode_string *ustr; 1649{ 1650 ansi_string astr; 1651 1652 if (RtlUnicodeStringToAnsiString(&astr, ustr, TRUE)) 1653 return (NULL); 1654 return (ndis_get_routine_address(ndis_functbl, astr.as_buf)); 1655} 1656 1657static uint32_t 1658NdisMGetDmaAlignment(handle) 1659 ndis_handle handle; 1660{ 1661 return (16); 1662} 1663 1664/* 1665 * NDIS has two methods for dealing with NICs that support DMA. 1666 * One is to just pass packets to the driver and let it call 1667 * NdisMStartBufferPhysicalMapping() to map each buffer in the packet 1668 * all by itself, and the other is to let the NDIS library handle the 1669 * buffer mapping internally, and hand the driver an already populated 1670 * scatter/gather fragment list. If the driver calls 1671 * NdisMInitializeScatterGatherDma(), it wants to use the latter 1672 * method. 1673 */ 1674 1675static ndis_status 1676NdisMInitializeScatterGatherDma(ndis_handle adapter, uint8_t is64, 1677 uint32_t maxphysmap) 1678{ 1679 struct ndis_softc *sc; 1680 ndis_miniport_block *block; 1681 int error; 1682 1683 if (adapter == NULL) 1684 return (NDIS_STATUS_FAILURE); 1685 block = (ndis_miniport_block *)adapter; 1686 sc = device_get_softc(block->nmb_physdeviceobj->do_devext); 1687 1688 /* Don't do this twice. */ 1689 if (sc->ndis_sc == 1) 1690 return (NDIS_STATUS_SUCCESS); 1691 1692 error = bus_dma_tag_create(sc->ndis_parent_tag, ETHER_ALIGN, 0, 1693 BUS_SPACE_MAXADDR_32BIT, BUS_SPACE_MAXADDR, NULL, NULL, 1694 MCLBYTES * NDIS_MAXSEG, NDIS_MAXSEG, MCLBYTES, BUS_DMA_ALLOCNOW, 1695 NULL, NULL, &sc->ndis_ttag); 1696 1697 sc->ndis_sc = 1; 1698 1699 return (NDIS_STATUS_SUCCESS); 1700} 1701 1702void 1703NdisAllocatePacketPool(status, pool, descnum, protrsvdlen) 1704 ndis_status *status; 1705 ndis_handle *pool; 1706 uint32_t descnum; 1707 uint32_t protrsvdlen; 1708{ 1709 ndis_packet_pool *p; 1710 ndis_packet *packets; 1711 int i; 1712 1713 p = ExAllocatePoolWithTag(NonPagedPool, sizeof(ndis_packet_pool), 0); 1714 if (p == NULL) { 1715 *status = NDIS_STATUS_RESOURCES; 1716 return; 1717 } 1718 1719 p->np_cnt = descnum + NDIS_POOL_EXTRA; 1720 p->np_protrsvd = protrsvdlen; 1721 p->np_len = sizeof(ndis_packet) + protrsvdlen; 1722 1723 packets = ExAllocatePoolWithTag(NonPagedPool, p->np_cnt * 1724 p->np_len, 0); 1725 1726 1727 if (packets == NULL) { 1728 ExFreePool(p); 1729 *status = NDIS_STATUS_RESOURCES; 1730 return; 1731 } 1732 1733 p->np_pktmem = packets; 1734 1735 for (i = 0; i < p->np_cnt; i++) 1736 InterlockedPushEntrySList(&p->np_head, 1737 (struct slist_entry *)&packets[i]); 1738 1739#ifdef NDIS_DEBUG_PACKETS 1740 p->np_dead = 0; 1741 KeInitializeSpinLock(&p->np_lock); 1742 KeInitializeEvent(&p->np_event, EVENT_TYPE_NOTIFY, TRUE); 1743#endif 1744 1745 *pool = p; 1746 *status = NDIS_STATUS_SUCCESS; 1747} 1748 1749void 1750NdisAllocatePacketPoolEx(status, pool, descnum, oflowdescnum, protrsvdlen) 1751 ndis_status *status; 1752 ndis_handle *pool; 1753 uint32_t descnum; 1754 uint32_t oflowdescnum; 1755 uint32_t protrsvdlen; 1756{ 1757 return (NdisAllocatePacketPool(status, pool, 1758 descnum + oflowdescnum, protrsvdlen)); 1759} 1760 1761uint32_t 1762NdisPacketPoolUsage(pool) 1763 ndis_handle pool; 1764{ 1765 ndis_packet_pool *p; 1766 1767 p = (ndis_packet_pool *)pool; 1768 return (p->np_cnt - ExQueryDepthSList(&p->np_head)); 1769} 1770 1771void 1772NdisFreePacketPool(pool) 1773 ndis_handle pool; 1774{ 1775 ndis_packet_pool *p; 1776 int usage; 1777#ifdef NDIS_DEBUG_PACKETS 1778 uint8_t irql; 1779#endif 1780 1781 p = (ndis_packet_pool *)pool; 1782 1783#ifdef NDIS_DEBUG_PACKETS 1784 KeAcquireSpinLock(&p->np_lock, &irql); 1785#endif 1786 1787 usage = NdisPacketPoolUsage(pool); 1788 1789#ifdef NDIS_DEBUG_PACKETS 1790 if (usage) { 1791 p->np_dead = 1; 1792 KeResetEvent(&p->np_event); 1793 KeReleaseSpinLock(&p->np_lock, irql); 1794 KeWaitForSingleObject(&p->np_event, 0, 0, FALSE, NULL); 1795 } else 1796 KeReleaseSpinLock(&p->np_lock, irql); 1797#endif 1798 1799 ExFreePool(p->np_pktmem); 1800 ExFreePool(p); 1801} 1802 1803void 1804NdisAllocatePacket(status, packet, pool) 1805 ndis_status *status; 1806 ndis_packet **packet; 1807 ndis_handle pool; 1808{ 1809 ndis_packet_pool *p; 1810 ndis_packet *pkt; 1811#ifdef NDIS_DEBUG_PACKETS 1812 uint8_t irql; 1813#endif 1814 1815 p = (ndis_packet_pool *)pool; 1816 1817#ifdef NDIS_DEBUG_PACKETS 1818 KeAcquireSpinLock(&p->np_lock, &irql); 1819 if (p->np_dead) { 1820 KeReleaseSpinLock(&p->np_lock, irql); 1821 printf("NDIS: tried to allocate packet from dead pool %p\n", 1822 pool); 1823 *status = NDIS_STATUS_RESOURCES; 1824 return; 1825 } 1826#endif 1827 1828 pkt = (ndis_packet *)InterlockedPopEntrySList(&p->np_head); 1829 1830#ifdef NDIS_DEBUG_PACKETS 1831 KeReleaseSpinLock(&p->np_lock, irql); 1832#endif 1833 1834 if (pkt == NULL) { 1835 *status = NDIS_STATUS_RESOURCES; 1836 return; 1837 } 1838 1839 1840 bzero((char *)pkt, sizeof(ndis_packet)); 1841 1842 /* Save pointer to the pool. */ 1843 pkt->np_private.npp_pool = pool; 1844 1845 /* Set the oob offset pointer. Lots of things expect this. */ 1846 pkt->np_private.npp_packetooboffset = offsetof(ndis_packet, np_oob); 1847 1848 /* 1849 * We must initialize the packet flags correctly in order 1850 * for the NDIS_SET_PACKET_MEDIA_SPECIFIC_INFO() and 1851 * NDIS_GET_PACKET_MEDIA_SPECIFIC_INFO() macros to work 1852 * correctly. 1853 */ 1854 pkt->np_private.npp_ndispktflags = NDIS_PACKET_ALLOCATED_BY_NDIS; 1855 pkt->np_private.npp_validcounts = FALSE; 1856 1857 *packet = pkt; 1858 1859 *status = NDIS_STATUS_SUCCESS; 1860} 1861 1862void 1863NdisFreePacket(packet) 1864 ndis_packet *packet; 1865{ 1866 ndis_packet_pool *p; 1867#ifdef NDIS_DEBUG_PACKETS 1868 uint8_t irql; 1869#endif 1870 1871 p = (ndis_packet_pool *)packet->np_private.npp_pool; 1872 1873#ifdef NDIS_DEBUG_PACKETS 1874 KeAcquireSpinLock(&p->np_lock, &irql); 1875#endif 1876 1877 InterlockedPushEntrySList(&p->np_head, (slist_entry *)packet); 1878 1879#ifdef NDIS_DEBUG_PACKETS 1880 if (p->np_dead) { 1881 if (ExQueryDepthSList(&p->np_head) == p->np_cnt) 1882 KeSetEvent(&p->np_event, IO_NO_INCREMENT, FALSE); 1883 } 1884 KeReleaseSpinLock(&p->np_lock, irql); 1885#endif 1886} 1887 1888static void 1889NdisUnchainBufferAtFront(packet, buf) 1890 ndis_packet *packet; 1891 ndis_buffer **buf; 1892{ 1893 ndis_packet_private *priv; 1894 1895 if (packet == NULL || buf == NULL) 1896 return; 1897 1898 priv = &packet->np_private; 1899 1900 priv->npp_validcounts = FALSE; 1901 1902 if (priv->npp_head == priv->npp_tail) { 1903 *buf = priv->npp_head; 1904 priv->npp_head = priv->npp_tail = NULL; 1905 } else { 1906 *buf = priv->npp_head; 1907 priv->npp_head = (*buf)->mdl_next; 1908 } 1909} 1910 1911static void 1912NdisUnchainBufferAtBack(packet, buf) 1913 ndis_packet *packet; 1914 ndis_buffer **buf; 1915{ 1916 ndis_packet_private *priv; 1917 ndis_buffer *tmp; 1918 1919 if (packet == NULL || buf == NULL) 1920 return; 1921 1922 priv = &packet->np_private; 1923 1924 priv->npp_validcounts = FALSE; 1925 1926 if (priv->npp_head == priv->npp_tail) { 1927 *buf = priv->npp_head; 1928 priv->npp_head = priv->npp_tail = NULL; 1929 } else { 1930 *buf = priv->npp_tail; 1931 tmp = priv->npp_head; 1932 while (tmp->mdl_next != priv->npp_tail) 1933 tmp = tmp->mdl_next; 1934 priv->npp_tail = tmp; 1935 tmp->mdl_next = NULL; 1936 } 1937} 1938 1939/* 1940 * The NDIS "buffer" is really an MDL (memory descriptor list) 1941 * which is used to describe a buffer in a way that allows it 1942 * to mapped into different contexts. We have to be careful how 1943 * we handle them: in some versions of Windows, the NdisFreeBuffer() 1944 * routine is an actual function in the NDIS API, but in others 1945 * it's just a macro wrapper around IoFreeMdl(). There's really 1946 * no way to use the 'descnum' parameter to count how many 1947 * "buffers" are allocated since in order to use IoFreeMdl() to 1948 * dispose of a buffer, we have to use IoAllocateMdl() to allocate 1949 * them, and IoAllocateMdl() just grabs them out of the heap. 1950 */ 1951 1952static void 1953NdisAllocateBufferPool(status, pool, descnum) 1954 ndis_status *status; 1955 ndis_handle *pool; 1956 uint32_t descnum; 1957{ 1958 1959 /* 1960 * The only thing we can really do here is verify that descnum 1961 * is a reasonable value, but I really don't know what to check 1962 * it against. 1963 */ 1964 1965 *pool = NonPagedPool; 1966 *status = NDIS_STATUS_SUCCESS; 1967} 1968 1969static void 1970NdisFreeBufferPool(pool) 1971 ndis_handle pool; 1972{ 1973} 1974 1975static void 1976NdisAllocateBuffer(status, buffer, pool, vaddr, len) 1977 ndis_status *status; 1978 ndis_buffer **buffer; 1979 ndis_handle pool; 1980 void *vaddr; 1981 uint32_t len; 1982{ 1983 ndis_buffer *buf; 1984 1985 buf = IoAllocateMdl(vaddr, len, FALSE, FALSE, NULL); 1986 if (buf == NULL) { 1987 *status = NDIS_STATUS_RESOURCES; 1988 return; 1989 } 1990 1991 MmBuildMdlForNonPagedPool(buf); 1992 1993 *buffer = buf; 1994 *status = NDIS_STATUS_SUCCESS; 1995} 1996 1997static void 1998NdisFreeBuffer(buf) 1999 ndis_buffer *buf; 2000{ 2001 IoFreeMdl(buf); 2002} 2003 2004/* Aw c'mon. */ 2005 2006static uint32_t 2007NdisBufferLength(buf) 2008 ndis_buffer *buf; 2009{ 2010 return (MmGetMdlByteCount(buf)); 2011} 2012 2013/* 2014 * Get the virtual address and length of a buffer. 2015 * Note: the vaddr argument is optional. 2016 */ 2017 2018static void 2019NdisQueryBuffer(buf, vaddr, len) 2020 ndis_buffer *buf; 2021 void **vaddr; 2022 uint32_t *len; 2023{ 2024 if (vaddr != NULL) 2025 *vaddr = MmGetMdlVirtualAddress(buf); 2026 *len = MmGetMdlByteCount(buf); 2027} 2028 2029/* Same as above -- we don't care about the priority. */ 2030 2031static void 2032NdisQueryBufferSafe(buf, vaddr, len, prio) 2033 ndis_buffer *buf; 2034 void **vaddr; 2035 uint32_t *len; 2036 uint32_t prio; 2037{ 2038 if (vaddr != NULL) 2039 *vaddr = MmGetMdlVirtualAddress(buf); 2040 *len = MmGetMdlByteCount(buf); 2041} 2042 2043/* Damnit Microsoft!! How many ways can you do the same thing?! */ 2044 2045static void * 2046NdisBufferVirtualAddress(buf) 2047 ndis_buffer *buf; 2048{ 2049 return (MmGetMdlVirtualAddress(buf)); 2050} 2051 2052static void * 2053NdisBufferVirtualAddressSafe(buf, prio) 2054 ndis_buffer *buf; 2055 uint32_t prio; 2056{ 2057 return (MmGetMdlVirtualAddress(buf)); 2058} 2059 2060static void 2061NdisAdjustBufferLength(buf, len) 2062 ndis_buffer *buf; 2063 int len; 2064{ 2065 MmGetMdlByteCount(buf) = len; 2066} 2067 2068static uint32_t 2069NdisInterlockedIncrement(addend) 2070 uint32_t *addend; 2071{ 2072 atomic_add_long((u_long *)addend, 1); 2073 return (*addend); 2074} 2075 2076static uint32_t 2077NdisInterlockedDecrement(addend) 2078 uint32_t *addend; 2079{ 2080 atomic_subtract_long((u_long *)addend, 1); 2081 return (*addend); 2082} 2083 2084static uint32_t 2085NdisGetVersion(void) 2086{ 2087 return (0x00050001); 2088} 2089 2090static void 2091NdisInitializeEvent(event) 2092 ndis_event *event; 2093{ 2094 /* 2095 * NDIS events are always notification 2096 * events, and should be initialized to the 2097 * not signaled state. 2098 */ 2099 KeInitializeEvent(&event->ne_event, EVENT_TYPE_NOTIFY, FALSE); 2100} 2101 2102static void 2103NdisSetEvent(event) 2104 ndis_event *event; 2105{ 2106 KeSetEvent(&event->ne_event, IO_NO_INCREMENT, FALSE); 2107} 2108 2109static void 2110NdisResetEvent(event) 2111 ndis_event *event; 2112{ 2113 KeResetEvent(&event->ne_event); 2114} 2115 2116static uint8_t 2117NdisWaitEvent(event, msecs) 2118 ndis_event *event; 2119 uint32_t msecs; 2120{ 2121 int64_t duetime; 2122 uint32_t rval; 2123 2124 duetime = ((int64_t)msecs * -10000); 2125 rval = KeWaitForSingleObject(event, 2126 0, 0, TRUE, msecs ? & duetime : NULL); 2127 2128 if (rval == STATUS_TIMEOUT) 2129 return (FALSE); 2130 2131 return (TRUE); 2132} 2133 2134static ndis_status 2135NdisUnicodeStringToAnsiString(dstr, sstr) 2136 ansi_string *dstr; 2137 unicode_string *sstr; 2138{ 2139 uint32_t rval; 2140 2141 rval = RtlUnicodeStringToAnsiString(dstr, sstr, FALSE); 2142 2143 if (rval == STATUS_INSUFFICIENT_RESOURCES) 2144 return (NDIS_STATUS_RESOURCES); 2145 if (rval) 2146 return (NDIS_STATUS_FAILURE); 2147 2148 return (NDIS_STATUS_SUCCESS); 2149} 2150 2151static ndis_status 2152NdisAnsiStringToUnicodeString(dstr, sstr) 2153 unicode_string *dstr; 2154 ansi_string *sstr; 2155{ 2156 uint32_t rval; 2157 2158 rval = RtlAnsiStringToUnicodeString(dstr, sstr, FALSE); 2159 2160 if (rval == STATUS_INSUFFICIENT_RESOURCES) 2161 return (NDIS_STATUS_RESOURCES); 2162 if (rval) 2163 return (NDIS_STATUS_FAILURE); 2164 2165 return (NDIS_STATUS_SUCCESS); 2166} 2167 2168static ndis_status 2169NdisMPciAssignResources(adapter, slot, list) 2170 ndis_handle adapter; 2171 uint32_t slot; 2172 ndis_resource_list **list; 2173{ 2174 ndis_miniport_block *block; 2175 2176 if (adapter == NULL || list == NULL) 2177 return (NDIS_STATUS_FAILURE); 2178 2179 block = (ndis_miniport_block *)adapter; 2180 *list = block->nmb_rlist; 2181 2182 return (NDIS_STATUS_SUCCESS); 2183} 2184 2185static uint8_t 2186ndis_intr(iobj, arg) 2187 kinterrupt *iobj; 2188 void *arg; 2189{ 2190 struct ndis_softc *sc; 2191 uint8_t is_our_intr = FALSE; 2192 int call_isr = 0; 2193 ndis_miniport_interrupt *intr; 2194 2195 sc = arg; 2196 intr = sc->ndis_block->nmb_interrupt; 2197 2198 if (intr == NULL || sc->ndis_block->nmb_miniportadapterctx == NULL) 2199 return (FALSE); 2200 2201 if (sc->ndis_block->nmb_interrupt->ni_isrreq == TRUE) 2202 MSCALL3(intr->ni_isrfunc, &is_our_intr, &call_isr, 2203 sc->ndis_block->nmb_miniportadapterctx); 2204 else { 2205 MSCALL1(sc->ndis_chars->nmc_disable_interrupts_func, 2206 sc->ndis_block->nmb_miniportadapterctx); 2207 call_isr = 1; 2208 } 2209 2210 if (call_isr) 2211 IoRequestDpc(sc->ndis_block->nmb_deviceobj, NULL, sc); 2212 2213 return (is_our_intr); 2214} 2215 2216static void 2217ndis_intrhand(dpc, intr, sysarg1, sysarg2) 2218 kdpc *dpc; 2219 ndis_miniport_interrupt *intr; 2220 void *sysarg1; 2221 void *sysarg2; 2222{ 2223 struct ndis_softc *sc; 2224 ndis_miniport_block *block; 2225 ndis_handle adapter; 2226 2227 block = intr->ni_block; 2228 adapter = block->nmb_miniportadapterctx; 2229 sc = device_get_softc(block->nmb_physdeviceobj->do_devext); 2230 2231 if (NDIS_SERIALIZED(sc->ndis_block)) 2232 KeAcquireSpinLockAtDpcLevel(&block->nmb_lock); 2233 2234 MSCALL1(intr->ni_dpcfunc, adapter); 2235 2236 /* If there's a MiniportEnableInterrupt() routine, call it. */ 2237 2238 if (sc->ndis_chars->nmc_enable_interrupts_func != NULL) 2239 MSCALL1(sc->ndis_chars->nmc_enable_interrupts_func, adapter); 2240 2241 if (NDIS_SERIALIZED(sc->ndis_block)) 2242 KeReleaseSpinLockFromDpcLevel(&block->nmb_lock); 2243 2244 /* 2245 * Set the completion event if we've drained all 2246 * pending interrupts. 2247 */ 2248 2249 KeAcquireSpinLockAtDpcLevel(&intr->ni_dpccountlock); 2250 intr->ni_dpccnt--; 2251 if (intr->ni_dpccnt == 0) 2252 KeSetEvent(&intr->ni_dpcevt, IO_NO_INCREMENT, FALSE); 2253 KeReleaseSpinLockFromDpcLevel(&intr->ni_dpccountlock); 2254} 2255 2256static ndis_status 2257NdisMRegisterInterrupt(ndis_miniport_interrupt *intr, ndis_handle adapter, 2258 uint32_t ivec, uint32_t ilevel, uint8_t reqisr, uint8_t shared, 2259 ndis_interrupt_mode imode) 2260{ 2261 ndis_miniport_block *block; 2262 ndis_miniport_characteristics *ch; 2263 struct ndis_softc *sc; 2264 int error; 2265 2266 block = adapter; 2267 sc = device_get_softc(block->nmb_physdeviceobj->do_devext); 2268 ch = IoGetDriverObjectExtension(block->nmb_deviceobj->do_drvobj, 2269 (void *)1); 2270 2271 intr->ni_rsvd = ExAllocatePoolWithTag(NonPagedPool, 2272 sizeof(struct mtx), 0); 2273 if (intr->ni_rsvd == NULL) 2274 return (NDIS_STATUS_RESOURCES); 2275 2276 intr->ni_block = adapter; 2277 intr->ni_isrreq = reqisr; 2278 intr->ni_shared = shared; 2279 intr->ni_dpccnt = 0; 2280 intr->ni_isrfunc = ch->nmc_isr_func; 2281 intr->ni_dpcfunc = ch->nmc_interrupt_func; 2282 2283 KeInitializeEvent(&intr->ni_dpcevt, EVENT_TYPE_NOTIFY, TRUE); 2284 KeInitializeDpc(&intr->ni_dpc, 2285 ndis_findwrap((funcptr)ndis_intrhand), intr); 2286 KeSetImportanceDpc(&intr->ni_dpc, KDPC_IMPORTANCE_LOW); 2287 2288 error = IoConnectInterrupt(&intr->ni_introbj, 2289 ndis_findwrap((funcptr)ndis_intr), sc, NULL, 2290 ivec, ilevel, 0, imode, shared, 0, FALSE); 2291 2292 if (error != STATUS_SUCCESS) 2293 return (NDIS_STATUS_FAILURE); 2294 2295 block->nmb_interrupt = intr; 2296 2297 return (NDIS_STATUS_SUCCESS); 2298} 2299 2300static void 2301NdisMDeregisterInterrupt(intr) 2302 ndis_miniport_interrupt *intr; 2303{ 2304 ndis_miniport_block *block; 2305 uint8_t irql; 2306 2307 block = intr->ni_block; 2308 2309 /* Should really be KeSynchronizeExecution() */ 2310 2311 KeAcquireSpinLock(intr->ni_introbj->ki_lock, &irql); 2312 block->nmb_interrupt = NULL; 2313 KeReleaseSpinLock(intr->ni_introbj->ki_lock, irql); 2314/* 2315 KeFlushQueuedDpcs(); 2316*/ 2317 /* Disconnect our ISR */ 2318 2319 IoDisconnectInterrupt(intr->ni_introbj); 2320 2321 KeWaitForSingleObject(&intr->ni_dpcevt, 0, 0, FALSE, NULL); 2322 KeResetEvent(&intr->ni_dpcevt); 2323} 2324 2325static void 2326NdisMRegisterAdapterShutdownHandler(adapter, shutdownctx, shutdownfunc) 2327 ndis_handle adapter; 2328 void *shutdownctx; 2329 ndis_shutdown_handler shutdownfunc; 2330{ 2331 ndis_miniport_block *block; 2332 ndis_miniport_characteristics *chars; 2333 struct ndis_softc *sc; 2334 2335 if (adapter == NULL) 2336 return; 2337 2338 block = (ndis_miniport_block *)adapter; 2339 sc = device_get_softc(block->nmb_physdeviceobj->do_devext); 2340 chars = sc->ndis_chars; 2341 2342 chars->nmc_shutdown_handler = shutdownfunc; 2343 chars->nmc_rsvd0 = shutdownctx; 2344} 2345 2346static void 2347NdisMDeregisterAdapterShutdownHandler(adapter) 2348 ndis_handle adapter; 2349{ 2350 ndis_miniport_block *block; 2351 ndis_miniport_characteristics *chars; 2352 struct ndis_softc *sc; 2353 2354 if (adapter == NULL) 2355 return; 2356 2357 block = (ndis_miniport_block *)adapter; 2358 sc = device_get_softc(block->nmb_physdeviceobj->do_devext); 2359 chars = sc->ndis_chars; 2360 2361 chars->nmc_shutdown_handler = NULL; 2362 chars->nmc_rsvd0 = NULL; 2363} 2364 2365static uint32_t 2366NDIS_BUFFER_TO_SPAN_PAGES(buf) 2367 ndis_buffer *buf; 2368{ 2369 if (buf == NULL) 2370 return (0); 2371 if (MmGetMdlByteCount(buf) == 0) 2372 return (1); 2373 return (SPAN_PAGES(MmGetMdlVirtualAddress(buf), 2374 MmGetMdlByteCount(buf))); 2375} 2376 2377static void 2378NdisGetBufferPhysicalArraySize(buf, pages) 2379 ndis_buffer *buf; 2380 uint32_t *pages; 2381{ 2382 if (buf == NULL) 2383 return; 2384 2385 *pages = NDIS_BUFFER_TO_SPAN_PAGES(buf); 2386} 2387 2388static void 2389NdisQueryBufferOffset(buf, off, len) 2390 ndis_buffer *buf; 2391 uint32_t *off; 2392 uint32_t *len; 2393{ 2394 if (buf == NULL) 2395 return; 2396 2397 *off = MmGetMdlByteOffset(buf); 2398 *len = MmGetMdlByteCount(buf); 2399} 2400 2401void 2402NdisMSleep(usecs) 2403 uint32_t usecs; 2404{ 2405 ktimer timer; 2406 2407 /* 2408 * During system bootstrap, (i.e. cold == 1), we aren't 2409 * allowed to sleep, so we have to do a hard DELAY() 2410 * instead. 2411 */ 2412 2413 if (cold) 2414 DELAY(usecs); 2415 else { 2416 KeInitializeTimer(&timer); 2417 KeSetTimer(&timer, ((int64_t)usecs * -10), NULL); 2418 KeWaitForSingleObject(&timer, 0, 0, FALSE, NULL); 2419 } 2420} 2421 2422static uint32_t 2423NdisReadPcmciaAttributeMemory(handle, offset, buf, len) 2424 ndis_handle handle; 2425 uint32_t offset; 2426 void *buf; 2427 uint32_t len; 2428{ 2429 struct ndis_softc *sc; 2430 ndis_miniport_block *block; 2431 bus_space_handle_t bh; 2432 bus_space_tag_t bt; 2433 char *dest; 2434 int i; 2435 2436 if (handle == NULL) 2437 return (0); 2438 2439 block = (ndis_miniport_block *)handle; 2440 sc = device_get_softc(block->nmb_physdeviceobj->do_devext); 2441 dest = buf; 2442 2443 bh = rman_get_bushandle(sc->ndis_res_am); 2444 bt = rman_get_bustag(sc->ndis_res_am); 2445 2446 for (i = 0; i < len; i++) 2447 dest[i] = bus_space_read_1(bt, bh, (offset + i) * 2); 2448 2449 return (i); 2450} 2451 2452static uint32_t 2453NdisWritePcmciaAttributeMemory(handle, offset, buf, len) 2454 ndis_handle handle; 2455 uint32_t offset; 2456 void *buf; 2457 uint32_t len; 2458{ 2459 struct ndis_softc *sc; 2460 ndis_miniport_block *block; 2461 bus_space_handle_t bh; 2462 bus_space_tag_t bt; 2463 char *src; 2464 int i; 2465 2466 if (handle == NULL) 2467 return (0); 2468 2469 block = (ndis_miniport_block *)handle; 2470 sc = device_get_softc(block->nmb_physdeviceobj->do_devext); 2471 src = buf; 2472 2473 bh = rman_get_bushandle(sc->ndis_res_am); 2474 bt = rman_get_bustag(sc->ndis_res_am); 2475 2476 for (i = 0; i < len; i++) 2477 bus_space_write_1(bt, bh, (offset + i) * 2, src[i]); 2478 2479 return (i); 2480} 2481 2482static list_entry * 2483NdisInterlockedInsertHeadList(head, entry, lock) 2484 list_entry *head; 2485 list_entry *entry; 2486 ndis_spin_lock *lock; 2487{ 2488 list_entry *flink; 2489 2490 KeAcquireSpinLock(&lock->nsl_spinlock, &lock->nsl_kirql); 2491 flink = head->nle_flink; 2492 entry->nle_flink = flink; 2493 entry->nle_blink = head; 2494 flink->nle_blink = entry; 2495 head->nle_flink = entry; 2496 KeReleaseSpinLock(&lock->nsl_spinlock, lock->nsl_kirql); 2497 2498 return (flink); 2499} 2500 2501static list_entry * 2502NdisInterlockedRemoveHeadList(head, lock) 2503 list_entry *head; 2504 ndis_spin_lock *lock; 2505{ 2506 list_entry *flink; 2507 list_entry *entry; 2508 2509 KeAcquireSpinLock(&lock->nsl_spinlock, &lock->nsl_kirql); 2510 entry = head->nle_flink; 2511 flink = entry->nle_flink; 2512 head->nle_flink = flink; 2513 flink->nle_blink = head; 2514 KeReleaseSpinLock(&lock->nsl_spinlock, lock->nsl_kirql); 2515 2516 return (entry); 2517} 2518 2519static list_entry * 2520NdisInterlockedInsertTailList(head, entry, lock) 2521 list_entry *head; 2522 list_entry *entry; 2523 ndis_spin_lock *lock; 2524{ 2525 list_entry *blink; 2526 2527 KeAcquireSpinLock(&lock->nsl_spinlock, &lock->nsl_kirql); 2528 blink = head->nle_blink; 2529 entry->nle_flink = head; 2530 entry->nle_blink = blink; 2531 blink->nle_flink = entry; 2532 head->nle_blink = entry; 2533 KeReleaseSpinLock(&lock->nsl_spinlock, lock->nsl_kirql); 2534 2535 return (blink); 2536} 2537 2538static uint8_t 2539NdisMSynchronizeWithInterrupt(intr, syncfunc, syncctx) 2540 ndis_miniport_interrupt *intr; 2541 void *syncfunc; 2542 void *syncctx; 2543{ 2544 return (KeSynchronizeExecution(intr->ni_introbj, syncfunc, syncctx)); 2545} 2546 2547static void 2548NdisGetCurrentSystemTime(tval) 2549 uint64_t *tval; 2550{ 2551 ntoskrnl_time(tval); 2552} 2553 2554/* 2555 * Return the number of milliseconds since the system booted. 2556 */ 2557static void 2558NdisGetSystemUpTime(tval) 2559 uint32_t *tval; 2560{ 2561 struct timespec ts; 2562 2563 nanouptime(&ts); 2564 *tval = ts.tv_nsec / 1000000 + ts.tv_sec * 1000; 2565} 2566 2567static void 2568NdisInitializeString(dst, src) 2569 unicode_string *dst; 2570 char *src; 2571{ 2572 ansi_string as; 2573 RtlInitAnsiString(&as, src); 2574 RtlAnsiStringToUnicodeString(dst, &as, TRUE); 2575} 2576 2577static void 2578NdisFreeString(str) 2579 unicode_string *str; 2580{ 2581 RtlFreeUnicodeString(str); 2582} 2583 2584static ndis_status 2585NdisMRemoveMiniport(adapter) 2586 ndis_handle *adapter; 2587{ 2588 return (NDIS_STATUS_SUCCESS); 2589} 2590 2591static void 2592NdisInitAnsiString(dst, src) 2593 ansi_string *dst; 2594 char *src; 2595{ 2596 RtlInitAnsiString(dst, src); 2597} 2598 2599static void 2600NdisInitUnicodeString(dst, src) 2601 unicode_string *dst; 2602 uint16_t *src; 2603{ 2604 RtlInitUnicodeString(dst, src); 2605} 2606 2607static void NdisMGetDeviceProperty(adapter, phydevobj, 2608 funcdevobj, nextdevobj, resources, transresources) 2609 ndis_handle adapter; 2610 device_object **phydevobj; 2611 device_object **funcdevobj; 2612 device_object **nextdevobj; 2613 cm_resource_list *resources; 2614 cm_resource_list *transresources; 2615{ 2616 ndis_miniport_block *block; 2617 2618 block = (ndis_miniport_block *)adapter; 2619 2620 if (phydevobj != NULL) 2621 *phydevobj = block->nmb_physdeviceobj; 2622 if (funcdevobj != NULL) 2623 *funcdevobj = block->nmb_deviceobj; 2624 if (nextdevobj != NULL) 2625 *nextdevobj = block->nmb_nextdeviceobj; 2626} 2627 2628static void 2629NdisGetFirstBufferFromPacket(packet, buf, firstva, firstlen, totlen) 2630 ndis_packet *packet; 2631 ndis_buffer **buf; 2632 void **firstva; 2633 uint32_t *firstlen; 2634 uint32_t *totlen; 2635{ 2636 ndis_buffer *tmp; 2637 2638 tmp = packet->np_private.npp_head; 2639 *buf = tmp; 2640 if (tmp == NULL) { 2641 *firstva = NULL; 2642 *firstlen = *totlen = 0; 2643 } else { 2644 *firstva = MmGetMdlVirtualAddress(tmp); 2645 *firstlen = *totlen = MmGetMdlByteCount(tmp); 2646 for (tmp = tmp->mdl_next; tmp != NULL; tmp = tmp->mdl_next) 2647 *totlen += MmGetMdlByteCount(tmp); 2648 } 2649} 2650 2651static void 2652NdisGetFirstBufferFromPacketSafe(packet, buf, firstva, firstlen, totlen, prio) 2653 ndis_packet *packet; 2654 ndis_buffer **buf; 2655 void **firstva; 2656 uint32_t *firstlen; 2657 uint32_t *totlen; 2658 uint32_t prio; 2659{ 2660 NdisGetFirstBufferFromPacket(packet, buf, firstva, firstlen, totlen); 2661} 2662 2663static int 2664ndis_find_sym(lf, filename, suffix, sym) 2665 linker_file_t lf; 2666 char *filename; 2667 char *suffix; 2668 caddr_t *sym; 2669{ 2670 char *fullsym; 2671 char *suf; 2672 int i; 2673 2674 fullsym = ExAllocatePoolWithTag(NonPagedPool, MAXPATHLEN, 0); 2675 if (fullsym == NULL) 2676 return (ENOMEM); 2677 2678 bzero(fullsym, MAXPATHLEN); 2679 strncpy(fullsym, filename, MAXPATHLEN); 2680 if (strlen(filename) < 4) { 2681 ExFreePool(fullsym); 2682 return (EINVAL); 2683 } 2684 2685 /* If the filename has a .ko suffix, strip if off. */ 2686 suf = fullsym + (strlen(filename) - 3); 2687 if (strcmp(suf, ".ko") == 0) 2688 *suf = '\0'; 2689 2690 for (i = 0; i < strlen(fullsym); i++) { 2691 if (fullsym[i] == '.') 2692 fullsym[i] = '_'; 2693 else 2694 fullsym[i] = tolower(fullsym[i]); 2695 } 2696 strcat(fullsym, suffix); 2697 *sym = linker_file_lookup_symbol(lf, fullsym, 0); 2698 ExFreePool(fullsym); 2699 if (*sym == 0) 2700 return (ENOENT); 2701 2702 return (0); 2703} 2704 2705struct ndis_checkmodule { 2706 char *afilename; 2707 ndis_fh *fh; 2708}; 2709 2710/* 2711 * See if a single module contains the symbols for a specified file. 2712 */ 2713static int 2714NdisCheckModule(linker_file_t lf, void *context) 2715{ 2716 struct ndis_checkmodule *nc; 2717 caddr_t kldstart, kldend; 2718 2719 nc = (struct ndis_checkmodule *)context; 2720 if (ndis_find_sym(lf, nc->afilename, "_start", &kldstart)) 2721 return (0); 2722 if (ndis_find_sym(lf, nc->afilename, "_end", &kldend)) 2723 return (0); 2724 nc->fh->nf_vp = lf; 2725 nc->fh->nf_map = NULL; 2726 nc->fh->nf_type = NDIS_FH_TYPE_MODULE; 2727 nc->fh->nf_maplen = (kldend - kldstart) & 0xFFFFFFFF; 2728 return (1); 2729} 2730 2731/* can also return NDIS_STATUS_RESOURCES/NDIS_STATUS_ERROR_READING_FILE */ 2732static void 2733NdisOpenFile(status, filehandle, filelength, filename, highestaddr) 2734 ndis_status *status; 2735 ndis_handle *filehandle; 2736 uint32_t *filelength; 2737 unicode_string *filename; 2738 ndis_physaddr highestaddr; 2739{ 2740 ansi_string as; 2741 char *afilename = NULL; 2742 struct thread *td = curthread; 2743 struct nameidata nd; 2744 int flags, error; 2745 struct vattr vat; 2746 struct vattr *vap = &vat; 2747 ndis_fh *fh; 2748 char *path; 2749 struct ndis_checkmodule nc; 2750 2751 if (RtlUnicodeStringToAnsiString(&as, filename, TRUE)) { 2752 *status = NDIS_STATUS_RESOURCES; 2753 return; 2754 } 2755 2756 afilename = strdup(as.as_buf, M_DEVBUF); 2757 RtlFreeAnsiString(&as); 2758 2759 fh = ExAllocatePoolWithTag(NonPagedPool, sizeof(ndis_fh), 0); 2760 if (fh == NULL) { 2761 free(afilename, M_DEVBUF); 2762 *status = NDIS_STATUS_RESOURCES; 2763 return; 2764 } 2765 2766 fh->nf_name = afilename; 2767 2768 /* 2769 * During system bootstrap, it's impossible to load files 2770 * from the rootfs since it's not mounted yet. We therefore 2771 * offer the possibility of opening files that have been 2772 * preloaded as modules instead. Both choices will work 2773 * when kldloading a module from multiuser, but only the 2774 * module option will work during bootstrap. The module 2775 * loading option works by using the ndiscvt(8) utility 2776 * to convert the arbitrary file into a .ko using objcopy(1). 2777 * This file will contain two special symbols: filename_start 2778 * and filename_end. All we have to do is traverse the KLD 2779 * list in search of those symbols and we've found the file 2780 * data. As an added bonus, ndiscvt(8) will also generate 2781 * a normal .o file which can be linked statically with 2782 * the kernel. This means that the symbols will actual reside 2783 * in the kernel's symbol table, but that doesn't matter to 2784 * us since the kernel appears to us as just another module. 2785 */ 2786 2787 nc.afilename = afilename; 2788 nc.fh = fh; 2789 if (linker_file_foreach(NdisCheckModule, &nc)) { 2790 *filelength = fh->nf_maplen; 2791 *filehandle = fh; 2792 *status = NDIS_STATUS_SUCCESS; 2793 return; 2794 } 2795 2796 if (TAILQ_EMPTY(&mountlist)) { 2797 ExFreePool(fh); 2798 *status = NDIS_STATUS_FILE_NOT_FOUND; 2799 printf("NDIS: could not find file %s in linker list\n", 2800 afilename); 2801 printf("NDIS: and no filesystems mounted yet, " 2802 "aborting NdisOpenFile()\n"); 2803 free(afilename, M_DEVBUF); 2804 return; 2805 } 2806 2807 path = ExAllocatePoolWithTag(NonPagedPool, MAXPATHLEN, 0); 2808 if (path == NULL) { 2809 ExFreePool(fh); 2810 free(afilename, M_DEVBUF); 2811 *status = NDIS_STATUS_RESOURCES; 2812 return; 2813 } 2814 2815 snprintf(path, MAXPATHLEN, "%s/%s", ndis_filepath, afilename); 2816 2817 /* Some threads don't have a current working directory. */ 2818 2819 if (td->td_proc->p_fd->fd_rdir == NULL) 2820 td->td_proc->p_fd->fd_rdir = rootvnode; 2821 if (td->td_proc->p_fd->fd_cdir == NULL) 2822 td->td_proc->p_fd->fd_cdir = rootvnode; 2823 2824 NDINIT(&nd, LOOKUP, FOLLOW, UIO_SYSSPACE, path, td); 2825 2826 flags = FREAD; 2827 error = vn_open(&nd, &flags, 0, NULL); 2828 if (error) { 2829 *status = NDIS_STATUS_FILE_NOT_FOUND; 2830 ExFreePool(fh); 2831 printf("NDIS: open file %s failed: %d\n", path, error); 2832 ExFreePool(path); 2833 free(afilename, M_DEVBUF); 2834 return; 2835 } 2836 2837 ExFreePool(path); 2838 2839 NDFREE(&nd, NDF_ONLY_PNBUF); 2840 2841 /* Get the file size. */ 2842 VOP_GETATTR(nd.ni_vp, vap, td->td_ucred); 2843 VOP_UNLOCK(nd.ni_vp, 0); 2844 2845 fh->nf_vp = nd.ni_vp; 2846 fh->nf_map = NULL; 2847 fh->nf_type = NDIS_FH_TYPE_VFS; 2848 *filehandle = fh; 2849 *filelength = fh->nf_maplen = vap->va_size & 0xFFFFFFFF; 2850 *status = NDIS_STATUS_SUCCESS; 2851} 2852 2853static void 2854NdisMapFile(status, mappedbuffer, filehandle) 2855 ndis_status *status; 2856 void **mappedbuffer; 2857 ndis_handle filehandle; 2858{ 2859 ndis_fh *fh; 2860 struct thread *td = curthread; 2861 linker_file_t lf; 2862 caddr_t kldstart; 2863 int error; 2864 ssize_t resid; 2865 struct vnode *vp; 2866 2867 if (filehandle == NULL) { 2868 *status = NDIS_STATUS_FAILURE; 2869 return; 2870 } 2871 2872 fh = (ndis_fh *)filehandle; 2873 2874 if (fh->nf_vp == NULL) { 2875 *status = NDIS_STATUS_FAILURE; 2876 return; 2877 } 2878 2879 if (fh->nf_map != NULL) { 2880 *status = NDIS_STATUS_ALREADY_MAPPED; 2881 return; 2882 } 2883 2884 if (fh->nf_type == NDIS_FH_TYPE_MODULE) { 2885 lf = fh->nf_vp; 2886 if (ndis_find_sym(lf, fh->nf_name, "_start", &kldstart)) { 2887 *status = NDIS_STATUS_FAILURE; 2888 return; 2889 } 2890 fh->nf_map = kldstart; 2891 *status = NDIS_STATUS_SUCCESS; 2892 *mappedbuffer = fh->nf_map; 2893 return; 2894 } 2895 2896 fh->nf_map = ExAllocatePoolWithTag(NonPagedPool, fh->nf_maplen, 0); 2897 2898 if (fh->nf_map == NULL) { 2899 *status = NDIS_STATUS_RESOURCES; 2900 return; 2901 } 2902 2903 vp = fh->nf_vp; 2904 error = vn_rdwr(UIO_READ, vp, fh->nf_map, fh->nf_maplen, 0, 2905 UIO_SYSSPACE, 0, td->td_ucred, NOCRED, &resid, td); 2906 2907 if (error) 2908 *status = NDIS_STATUS_FAILURE; 2909 else { 2910 *status = NDIS_STATUS_SUCCESS; 2911 *mappedbuffer = fh->nf_map; 2912 } 2913} 2914 2915static void 2916NdisUnmapFile(filehandle) 2917 ndis_handle filehandle; 2918{ 2919 ndis_fh *fh; 2920 fh = (ndis_fh *)filehandle; 2921 2922 if (fh->nf_map == NULL) 2923 return; 2924 2925 if (fh->nf_type == NDIS_FH_TYPE_VFS) 2926 ExFreePool(fh->nf_map); 2927 fh->nf_map = NULL; 2928} 2929 2930static void 2931NdisCloseFile(filehandle) 2932 ndis_handle filehandle; 2933{ 2934 struct thread *td = curthread; 2935 ndis_fh *fh; 2936 struct vnode *vp; 2937 2938 if (filehandle == NULL) 2939 return; 2940 2941 fh = (ndis_fh *)filehandle; 2942 if (fh->nf_map != NULL) { 2943 if (fh->nf_type == NDIS_FH_TYPE_VFS) 2944 ExFreePool(fh->nf_map); 2945 fh->nf_map = NULL; 2946 } 2947 2948 if (fh->nf_vp == NULL) 2949 return; 2950 2951 if (fh->nf_type == NDIS_FH_TYPE_VFS) { 2952 vp = fh->nf_vp; 2953 vn_close(vp, FREAD, td->td_ucred, td); 2954 } 2955 2956 fh->nf_vp = NULL; 2957 free(fh->nf_name, M_DEVBUF); 2958 ExFreePool(fh); 2959} 2960 2961static uint8_t 2962NdisSystemProcessorCount() 2963{ 2964 return (mp_ncpus); 2965} 2966 2967static void 2968NdisGetCurrentProcessorCounts(idle_count, kernel_and_user, index) 2969 uint32_t *idle_count; 2970 uint32_t *kernel_and_user; 2971 uint32_t *index; 2972{ 2973 struct pcpu *pcpu; 2974 2975 pcpu = pcpu_find(curthread->td_oncpu); 2976 *index = pcpu->pc_cpuid; 2977 *idle_count = pcpu->pc_cp_time[CP_IDLE]; 2978 *kernel_and_user = pcpu->pc_cp_time[CP_INTR]; 2979} 2980 2981typedef void (*ndis_statusdone_handler)(ndis_handle); 2982typedef void (*ndis_status_handler)(ndis_handle, ndis_status, 2983 void *, uint32_t); 2984 2985static void 2986NdisMIndicateStatusComplete(adapter) 2987 ndis_handle adapter; 2988{ 2989 ndis_miniport_block *block; 2990 ndis_statusdone_handler statusdonefunc; 2991 2992 block = (ndis_miniport_block *)adapter; 2993 statusdonefunc = block->nmb_statusdone_func; 2994 2995 MSCALL1(statusdonefunc, adapter); 2996} 2997 2998static void 2999NdisMIndicateStatus(adapter, status, sbuf, slen) 3000 ndis_handle adapter; 3001 ndis_status status; 3002 void *sbuf; 3003 uint32_t slen; 3004{ 3005 ndis_miniport_block *block; 3006 ndis_status_handler statusfunc; 3007 3008 block = (ndis_miniport_block *)adapter; 3009 statusfunc = block->nmb_status_func; 3010 3011 MSCALL4(statusfunc, adapter, status, sbuf, slen); 3012} 3013 3014/* 3015 * The DDK documentation says that you should use IoQueueWorkItem() 3016 * instead of ExQueueWorkItem(). The problem is, IoQueueWorkItem() 3017 * is fundamentally incompatible with NdisScheduleWorkItem(), which 3018 * depends on the API semantics of ExQueueWorkItem(). In our world, 3019 * ExQueueWorkItem() is implemented on top of IoAllocateQueueItem() 3020 * anyway. 3021 * 3022 * There are actually three distinct APIs here. NdisScheduleWorkItem() 3023 * takes a pointer to an NDIS_WORK_ITEM. ExQueueWorkItem() takes a pointer 3024 * to a WORK_QUEUE_ITEM. And finally, IoQueueWorkItem() takes a pointer 3025 * to an opaque work item thingie which you get from IoAllocateWorkItem(). 3026 * An NDIS_WORK_ITEM is not the same as a WORK_QUEUE_ITEM. However, 3027 * the NDIS_WORK_ITEM has some opaque storage at the end of it, and we 3028 * (ab)use this storage as a WORK_QUEUE_ITEM, which is what we submit 3029 * to ExQueueWorkItem(). 3030 * 3031 * Got all that? (Sheesh.) 3032 */ 3033 3034ndis_status 3035NdisScheduleWorkItem(work) 3036 ndis_work_item *work; 3037{ 3038 work_queue_item *wqi; 3039 3040 wqi = (work_queue_item *)work->nwi_wraprsvd; 3041 ExInitializeWorkItem(wqi, 3042 (work_item_func)work->nwi_func, work->nwi_ctx); 3043 ExQueueWorkItem(wqi, WORKQUEUE_DELAYED); 3044 3045 return (NDIS_STATUS_SUCCESS); 3046} 3047 3048static void 3049NdisCopyFromPacketToPacket(dpkt, doff, reqlen, spkt, soff, cpylen) 3050 ndis_packet *dpkt; 3051 uint32_t doff; 3052 uint32_t reqlen; 3053 ndis_packet *spkt; 3054 uint32_t soff; 3055 uint32_t *cpylen; 3056{ 3057 ndis_buffer *src, *dst; 3058 char *sptr, *dptr; 3059 int resid, copied, len, scnt, dcnt; 3060 3061 *cpylen = 0; 3062 3063 src = spkt->np_private.npp_head; 3064 dst = dpkt->np_private.npp_head; 3065 3066 sptr = MmGetMdlVirtualAddress(src); 3067 dptr = MmGetMdlVirtualAddress(dst); 3068 scnt = MmGetMdlByteCount(src); 3069 dcnt = MmGetMdlByteCount(dst); 3070 3071 while (soff) { 3072 if (MmGetMdlByteCount(src) > soff) { 3073 sptr += soff; 3074 scnt = MmGetMdlByteCount(src)- soff; 3075 break; 3076 } 3077 soff -= MmGetMdlByteCount(src); 3078 src = src->mdl_next; 3079 if (src == NULL) 3080 return; 3081 sptr = MmGetMdlVirtualAddress(src); 3082 } 3083 3084 while (doff) { 3085 if (MmGetMdlByteCount(dst) > doff) { 3086 dptr += doff; 3087 dcnt = MmGetMdlByteCount(dst) - doff; 3088 break; 3089 } 3090 doff -= MmGetMdlByteCount(dst); 3091 dst = dst->mdl_next; 3092 if (dst == NULL) 3093 return; 3094 dptr = MmGetMdlVirtualAddress(dst); 3095 } 3096 3097 resid = reqlen; 3098 copied = 0; 3099 3100 while(1) { 3101 if (resid < scnt) 3102 len = resid; 3103 else 3104 len = scnt; 3105 if (dcnt < len) 3106 len = dcnt; 3107 3108 bcopy(sptr, dptr, len); 3109 3110 copied += len; 3111 resid -= len; 3112 if (resid == 0) 3113 break; 3114 3115 dcnt -= len; 3116 if (dcnt == 0) { 3117 dst = dst->mdl_next; 3118 if (dst == NULL) 3119 break; 3120 dptr = MmGetMdlVirtualAddress(dst); 3121 dcnt = MmGetMdlByteCount(dst); 3122 } 3123 3124 scnt -= len; 3125 if (scnt == 0) { 3126 src = src->mdl_next; 3127 if (src == NULL) 3128 break; 3129 sptr = MmGetMdlVirtualAddress(src); 3130 scnt = MmGetMdlByteCount(src); 3131 } 3132 } 3133 3134 *cpylen = copied; 3135} 3136 3137static void 3138NdisCopyFromPacketToPacketSafe(dpkt, doff, reqlen, spkt, soff, cpylen, prio) 3139 ndis_packet *dpkt; 3140 uint32_t doff; 3141 uint32_t reqlen; 3142 ndis_packet *spkt; 3143 uint32_t soff; 3144 uint32_t *cpylen; 3145 uint32_t prio; 3146{ 3147 NdisCopyFromPacketToPacket(dpkt, doff, reqlen, spkt, soff, cpylen); 3148} 3149 3150static void 3151NdisIMCopySendPerPacketInfo(dpkt, spkt) 3152 ndis_packet *dpkt; 3153 ndis_packet *spkt; 3154{ 3155 memcpy(&dpkt->np_ext, &spkt->np_ext, sizeof(ndis_packet_extension)); 3156} 3157 3158static ndis_status 3159NdisMRegisterDevice(handle, devname, symname, majorfuncs, devobj, devhandle) 3160 ndis_handle handle; 3161 unicode_string *devname; 3162 unicode_string *symname; 3163 driver_dispatch *majorfuncs[]; 3164 void **devobj; 3165 ndis_handle *devhandle; 3166{ 3167 uint32_t status; 3168 device_object *dobj; 3169 3170 status = IoCreateDevice(handle, 0, devname, 3171 FILE_DEVICE_UNKNOWN, 0, FALSE, &dobj); 3172 3173 if (status == STATUS_SUCCESS) { 3174 *devobj = dobj; 3175 *devhandle = dobj; 3176 } 3177 3178 return (status); 3179} 3180 3181static ndis_status 3182NdisMDeregisterDevice(handle) 3183 ndis_handle handle; 3184{ 3185 IoDeleteDevice(handle); 3186 return (NDIS_STATUS_SUCCESS); 3187} 3188 3189static ndis_status 3190NdisMQueryAdapterInstanceName(name, handle) 3191 unicode_string *name; 3192 ndis_handle handle; 3193{ 3194 ndis_miniport_block *block; 3195 device_t dev; 3196 ansi_string as; 3197 3198 block = (ndis_miniport_block *)handle; 3199 dev = block->nmb_physdeviceobj->do_devext; 3200 3201 RtlInitAnsiString(&as, __DECONST(char *, device_get_nameunit(dev))); 3202 if (RtlAnsiStringToUnicodeString(name, &as, TRUE)) 3203 return (NDIS_STATUS_RESOURCES); 3204 3205 return (NDIS_STATUS_SUCCESS); 3206} 3207 3208static void 3209NdisMRegisterUnloadHandler(handle, func) 3210 ndis_handle handle; 3211 void *func; 3212{ 3213} 3214 3215static void 3216dummy() 3217{ 3218 printf("NDIS dummy called...\n"); 3219} 3220 3221/* 3222 * Note: a couple of entries in this table specify the 3223 * number of arguments as "foo + 1". These are routines 3224 * that accept a 64-bit argument, passed by value. On 3225 * x86, these arguments consume two longwords on the stack, 3226 * so we lie and say there's one additional argument so 3227 * that the wrapping routines will do the right thing. 3228 */ 3229 3230image_patch_table ndis_functbl[] = { 3231 IMPORT_SFUNC(NdisCopyFromPacketToPacket, 6), 3232 IMPORT_SFUNC(NdisCopyFromPacketToPacketSafe, 7), 3233 IMPORT_SFUNC(NdisIMCopySendPerPacketInfo, 2), 3234 IMPORT_SFUNC(NdisScheduleWorkItem, 1), 3235 IMPORT_SFUNC(NdisMIndicateStatusComplete, 1), 3236 IMPORT_SFUNC(NdisMIndicateStatus, 4), 3237 IMPORT_SFUNC(NdisSystemProcessorCount, 0), 3238 IMPORT_SFUNC(NdisGetCurrentProcessorCounts, 3), 3239 IMPORT_SFUNC(NdisUnchainBufferAtBack, 2), 3240 IMPORT_SFUNC(NdisGetFirstBufferFromPacket, 5), 3241 IMPORT_SFUNC(NdisGetFirstBufferFromPacketSafe, 6), 3242 IMPORT_SFUNC(NdisGetBufferPhysicalArraySize, 2), 3243 IMPORT_SFUNC(NdisMGetDeviceProperty, 6), 3244 IMPORT_SFUNC(NdisInitAnsiString, 2), 3245 IMPORT_SFUNC(NdisInitUnicodeString, 2), 3246 IMPORT_SFUNC(NdisWriteConfiguration, 4), 3247 IMPORT_SFUNC(NdisAnsiStringToUnicodeString, 2), 3248 IMPORT_SFUNC(NdisTerminateWrapper, 2), 3249 IMPORT_SFUNC(NdisOpenConfigurationKeyByName, 4), 3250 IMPORT_SFUNC(NdisOpenConfigurationKeyByIndex, 5), 3251 IMPORT_SFUNC(NdisMRemoveMiniport, 1), 3252 IMPORT_SFUNC(NdisInitializeString, 2), 3253 IMPORT_SFUNC(NdisFreeString, 1), 3254 IMPORT_SFUNC(NdisGetCurrentSystemTime, 1), 3255 IMPORT_SFUNC(NdisGetRoutineAddress, 1), 3256 IMPORT_SFUNC(NdisGetSystemUpTime, 1), 3257 IMPORT_SFUNC(NdisGetVersion, 0), 3258 IMPORT_SFUNC(NdisMSynchronizeWithInterrupt, 3), 3259 IMPORT_SFUNC(NdisMAllocateSharedMemoryAsync, 4), 3260 IMPORT_SFUNC(NdisInterlockedInsertHeadList, 3), 3261 IMPORT_SFUNC(NdisInterlockedInsertTailList, 3), 3262 IMPORT_SFUNC(NdisInterlockedRemoveHeadList, 2), 3263 IMPORT_SFUNC(NdisInitializeWrapper, 4), 3264 IMPORT_SFUNC(NdisMRegisterMiniport, 3), 3265 IMPORT_SFUNC(NdisAllocateMemoryWithTag, 3), 3266 IMPORT_SFUNC(NdisAllocateMemory, 4 + 1), 3267 IMPORT_SFUNC(NdisMSetAttributesEx, 5), 3268 IMPORT_SFUNC(NdisCloseConfiguration, 1), 3269 IMPORT_SFUNC(NdisReadConfiguration, 5), 3270 IMPORT_SFUNC(NdisOpenConfiguration, 3), 3271 IMPORT_SFUNC(NdisAcquireSpinLock, 1), 3272 IMPORT_SFUNC(NdisReleaseSpinLock, 1), 3273 IMPORT_SFUNC(NdisDprAcquireSpinLock, 1), 3274 IMPORT_SFUNC(NdisDprReleaseSpinLock, 1), 3275 IMPORT_SFUNC(NdisAllocateSpinLock, 1), 3276 IMPORT_SFUNC(NdisInitializeReadWriteLock, 1), 3277 IMPORT_SFUNC(NdisAcquireReadWriteLock, 3), 3278 IMPORT_SFUNC(NdisReleaseReadWriteLock, 2), 3279 IMPORT_SFUNC(NdisFreeSpinLock, 1), 3280 IMPORT_SFUNC(NdisFreeMemory, 3), 3281 IMPORT_SFUNC(NdisReadPciSlotInformation, 5), 3282 IMPORT_SFUNC(NdisWritePciSlotInformation, 5), 3283 IMPORT_SFUNC_MAP(NdisImmediateReadPciSlotInformation, 3284 NdisReadPciSlotInformation, 5), 3285 IMPORT_SFUNC_MAP(NdisImmediateWritePciSlotInformation, 3286 NdisWritePciSlotInformation, 5), 3287 IMPORT_CFUNC(NdisWriteErrorLogEntry, 0), 3288 IMPORT_SFUNC(NdisMStartBufferPhysicalMapping, 6), 3289 IMPORT_SFUNC(NdisMCompleteBufferPhysicalMapping, 3), 3290 IMPORT_SFUNC(NdisMInitializeTimer, 4), 3291 IMPORT_SFUNC(NdisInitializeTimer, 3), 3292 IMPORT_SFUNC(NdisSetTimer, 2), 3293 IMPORT_SFUNC(NdisMCancelTimer, 2), 3294 IMPORT_SFUNC_MAP(NdisCancelTimer, NdisMCancelTimer, 2), 3295 IMPORT_SFUNC(NdisMSetPeriodicTimer, 2), 3296 IMPORT_SFUNC(NdisMQueryAdapterResources, 4), 3297 IMPORT_SFUNC(NdisMRegisterIoPortRange, 4), 3298 IMPORT_SFUNC(NdisMDeregisterIoPortRange, 4), 3299 IMPORT_SFUNC(NdisReadNetworkAddress, 4), 3300 IMPORT_SFUNC(NdisQueryMapRegisterCount, 2), 3301 IMPORT_SFUNC(NdisMAllocateMapRegisters, 5), 3302 IMPORT_SFUNC(NdisMFreeMapRegisters, 1), 3303 IMPORT_SFUNC(NdisMAllocateSharedMemory, 5), 3304 IMPORT_SFUNC(NdisMMapIoSpace, 4 + 1), 3305 IMPORT_SFUNC(NdisMUnmapIoSpace, 3), 3306 IMPORT_SFUNC(NdisGetCacheFillSize, 0), 3307 IMPORT_SFUNC(NdisMGetDmaAlignment, 1), 3308 IMPORT_SFUNC(NdisMInitializeScatterGatherDma, 3), 3309 IMPORT_SFUNC(NdisAllocatePacketPool, 4), 3310 IMPORT_SFUNC(NdisAllocatePacketPoolEx, 5), 3311 IMPORT_SFUNC(NdisAllocatePacket, 3), 3312 IMPORT_SFUNC(NdisFreePacket, 1), 3313 IMPORT_SFUNC(NdisFreePacketPool, 1), 3314 IMPORT_SFUNC_MAP(NdisDprAllocatePacket, NdisAllocatePacket, 3), 3315 IMPORT_SFUNC_MAP(NdisDprFreePacket, NdisFreePacket, 1), 3316 IMPORT_SFUNC(NdisAllocateBufferPool, 3), 3317 IMPORT_SFUNC(NdisAllocateBuffer, 5), 3318 IMPORT_SFUNC(NdisQueryBuffer, 3), 3319 IMPORT_SFUNC(NdisQueryBufferSafe, 4), 3320 IMPORT_SFUNC(NdisBufferVirtualAddress, 1), 3321 IMPORT_SFUNC(NdisBufferVirtualAddressSafe, 2), 3322 IMPORT_SFUNC(NdisBufferLength, 1), 3323 IMPORT_SFUNC(NdisFreeBuffer, 1), 3324 IMPORT_SFUNC(NdisFreeBufferPool, 1), 3325 IMPORT_SFUNC(NdisInterlockedIncrement, 1), 3326 IMPORT_SFUNC(NdisInterlockedDecrement, 1), 3327 IMPORT_SFUNC(NdisInitializeEvent, 1), 3328 IMPORT_SFUNC(NdisSetEvent, 1), 3329 IMPORT_SFUNC(NdisResetEvent, 1), 3330 IMPORT_SFUNC(NdisWaitEvent, 2), 3331 IMPORT_SFUNC(NdisUnicodeStringToAnsiString, 2), 3332 IMPORT_SFUNC(NdisMPciAssignResources, 3), 3333 IMPORT_SFUNC(NdisMFreeSharedMemory, 5 + 1), 3334 IMPORT_SFUNC(NdisMRegisterInterrupt, 7), 3335 IMPORT_SFUNC(NdisMDeregisterInterrupt, 1), 3336 IMPORT_SFUNC(NdisMRegisterAdapterShutdownHandler, 3), 3337 IMPORT_SFUNC(NdisMDeregisterAdapterShutdownHandler, 1), 3338 IMPORT_SFUNC(NDIS_BUFFER_TO_SPAN_PAGES, 1), 3339 IMPORT_SFUNC(NdisQueryBufferOffset, 3), 3340 IMPORT_SFUNC(NdisAdjustBufferLength, 2), 3341 IMPORT_SFUNC(NdisPacketPoolUsage, 1), 3342 IMPORT_SFUNC(NdisMSleep, 1), 3343 IMPORT_SFUNC(NdisUnchainBufferAtFront, 2), 3344 IMPORT_SFUNC(NdisReadPcmciaAttributeMemory, 4), 3345 IMPORT_SFUNC(NdisWritePcmciaAttributeMemory, 4), 3346 IMPORT_SFUNC(NdisOpenFile, 5 + 1), 3347 IMPORT_SFUNC(NdisMapFile, 3), 3348 IMPORT_SFUNC(NdisUnmapFile, 1), 3349 IMPORT_SFUNC(NdisCloseFile, 1), 3350 IMPORT_SFUNC(NdisMRegisterDevice, 6), 3351 IMPORT_SFUNC(NdisMDeregisterDevice, 1), 3352 IMPORT_SFUNC(NdisMQueryAdapterInstanceName, 2), 3353 IMPORT_SFUNC(NdisMRegisterUnloadHandler, 2), 3354 IMPORT_SFUNC(ndis_timercall, 4), 3355 IMPORT_SFUNC(ndis_asyncmem_complete, 2), 3356 IMPORT_SFUNC(ndis_intr, 2), 3357 IMPORT_SFUNC(ndis_intrhand, 4), 3358 3359 /* 3360 * This last entry is a catch-all for any function we haven't 3361 * implemented yet. The PE import list patching routine will 3362 * use it for any function that doesn't have an explicit match 3363 * in this table. 3364 */ 3365 3366 { NULL, (FUNC)dummy, NULL, 0, WINDRV_WRAP_STDCALL }, 3367 3368 /* End of list. */ 3369 3370 { NULL, NULL, NULL } 3371}; 3372