3 * Bill Paul <wpaul@windriver.com>. All rights reserved.
5 * Redistribution and use in source and binary forms, with or without
6 * modification, are permitted provided that the following conditions
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.
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.
32 * $FreeBSD: src/sys/compat/ndis/subr_ndis.c,v 1.125 2010/12/06 20:54:53 bschmidt Exp $
36 * This file implements a translation layer between the BSD networking
37 * infrasturcture and Windows(R) NDIS network driver modules. A Windows
38 * NDIS driver calls into several functions in the NDIS.SYS Windows
39 * kernel module and exports a table of functions designed to be called
40 * by the NDIS subsystem. Using the PE loader, we can patch our own
41 * versions of the NDIS routines into a given Windows driver module and
42 * convince the driver that it is in fact running on Windows.
44 * We provide a table of all our implemented NDIS routines which is patched
45 * into the driver object code. All our exported routines must use the
46 * _stdcall calling convention, since that's what the Windows object code
50 #include <sys/ctype.h>
51 #include <sys/param.h>
52 #include <sys/types.h>
53 #include <sys/errno.h>
55 #include <sys/callout.h>
56 #include <sys/kernel.h>
57 #include <sys/systm.h>
58 #include <sys/malloc.h>
60 #include <sys/mutex.h>
61 #include <sys/socket.h>
62 #include <sys/sysctl.h>
63 #include <sys/_timespec.h>
64 #include <sys/queue.h>
66 #include <sys/filedesc.h>
67 #include <sys/nlookup.h>
68 #include <sys/fcntl.h>
69 #include <sys/vnode.h>
70 #include <sys/kthread.h>
71 #include <sys/linker.h>
72 #include <sys/mount.h>
73 #include <sys/sysproto.h>
76 #include <net/if_arp.h>
77 #include <net/ethernet.h>
78 #include <net/if_dl.h>
79 #include <net/if_media.h>
81 #include <machine/atomic.h>
85 #include <sys/mplock2.h>
87 #include <netproto/802_11/ieee80211_var.h>
88 #include <netproto/802_11/ieee80211_ioctl.h>
90 #include <bus/pci/pcireg.h>
91 #include <bus/pci/pcivar.h>
92 #include <bus/u4b/usb.h>
93 #include <bus/u4b/usbdi.h>
95 #include <emulation/ndis/pe_var.h>
96 #include <emulation/ndis/cfg_var.h>
97 #include <emulation/ndis/resource_var.h>
98 #include <emulation/ndis/ntoskrnl_var.h>
99 #include <emulation/ndis/hal_var.h>
100 #include <emulation/ndis/ndis_var.h>
101 #include <dev/netif/ndis/if_ndisvar.h>
104 #include <vm/vm_param.h>
106 #include <vm/vm_kern.h>
107 #include <vm/vm_map.h>
111 static char ndis_filepath[MAXPATHLEN];
113 SYSCTL_STRING(_hw, OID_AUTO, ndis_filepath, CTLFLAG_RW, ndis_filepath,
114 MAXPATHLEN, "Path used by NdisOpenFile() to search for files");
116 static void NdisInitializeWrapper(ndis_handle *,
117 driver_object *, void *, void *);
118 static ndis_status NdisMRegisterMiniport(ndis_handle,
119 ndis_miniport_characteristics *, int);
120 static ndis_status NdisAllocateMemoryWithTag(void **,
122 static ndis_status NdisAllocateMemory(void **,
123 uint32_t, uint32_t, ndis_physaddr);
124 static void NdisFreeMemory(void *, uint32_t, uint32_t);
125 static ndis_status NdisMSetAttributesEx(ndis_handle, ndis_handle,
126 uint32_t, uint32_t, ndis_interface_type);
127 static void NdisOpenConfiguration(ndis_status *,
128 ndis_handle *, ndis_handle);
129 static void NdisOpenConfigurationKeyByIndex(ndis_status *,
130 ndis_handle, uint32_t, unicode_string *, ndis_handle *);
131 static void NdisOpenConfigurationKeyByName(ndis_status *,
132 ndis_handle, unicode_string *, ndis_handle *);
133 static ndis_status ndis_encode_parm(ndis_miniport_block *,
134 struct sysctl_oid *, ndis_parm_type, ndis_config_parm **);
135 static ndis_status ndis_decode_parm(ndis_miniport_block *,
136 ndis_config_parm *, char *);
137 static void NdisReadConfiguration(ndis_status *, ndis_config_parm **,
138 ndis_handle, unicode_string *, ndis_parm_type);
139 static void NdisWriteConfiguration(ndis_status *, ndis_handle,
140 unicode_string *, ndis_config_parm *);
141 static void NdisCloseConfiguration(ndis_handle);
142 static void NdisAllocateSpinLock(ndis_spin_lock *);
143 static void NdisFreeSpinLock(ndis_spin_lock *);
144 static void NdisAcquireSpinLock(ndis_spin_lock *);
145 static void NdisReleaseSpinLock(ndis_spin_lock *);
146 static void NdisDprAcquireSpinLock(ndis_spin_lock *);
147 static void NdisDprReleaseSpinLock(ndis_spin_lock *);
148 static void NdisInitializeReadWriteLock(ndis_rw_lock *);
149 static void NdisAcquireReadWriteLock(ndis_rw_lock *,
150 uint8_t, ndis_lock_state *);
151 static void NdisReleaseReadWriteLock(ndis_rw_lock *, ndis_lock_state *);
152 static uint32_t NdisReadPciSlotInformation(ndis_handle, uint32_t,
153 uint32_t, void *, uint32_t);
154 static uint32_t NdisWritePciSlotInformation(ndis_handle, uint32_t,
155 uint32_t, void *, uint32_t);
156 static void NdisWriteErrorLogEntry(ndis_handle, ndis_error_code, uint32_t, ...);
157 static void ndis_map_cb(void *, bus_dma_segment_t *, int, int);
158 static void NdisMStartBufferPhysicalMapping(ndis_handle,
159 ndis_buffer *, uint32_t, uint8_t, ndis_paddr_unit *, uint32_t *);
160 static void NdisMCompleteBufferPhysicalMapping(ndis_handle,
161 ndis_buffer *, uint32_t);
162 static void NdisMInitializeTimer(ndis_miniport_timer *, ndis_handle,
163 ndis_timer_function, void *);
164 static void NdisInitializeTimer(ndis_timer *,
165 ndis_timer_function, void *);
166 static void NdisSetTimer(ndis_timer *, uint32_t);
167 static void NdisMSetPeriodicTimer(ndis_miniport_timer *, uint32_t);
168 static void NdisMCancelTimer(ndis_timer *, uint8_t *);
169 static void ndis_timercall(kdpc *, ndis_miniport_timer *,
171 static void NdisMQueryAdapterResources(ndis_status *, ndis_handle,
172 ndis_resource_list *, uint32_t *);
173 static ndis_status NdisMRegisterIoPortRange(void **,
174 ndis_handle, uint32_t, uint32_t);
175 static void NdisMDeregisterIoPortRange(ndis_handle,
176 uint32_t, uint32_t, void *);
177 static void NdisReadNetworkAddress(ndis_status *, void **,
178 uint32_t *, ndis_handle);
179 static ndis_status NdisQueryMapRegisterCount(uint32_t, uint32_t *);
180 static ndis_status NdisMAllocateMapRegisters(ndis_handle,
181 uint32_t, uint8_t, uint32_t, uint32_t);
182 static void NdisMFreeMapRegisters(ndis_handle);
183 static void ndis_mapshared_cb(void *, bus_dma_segment_t *, int, int);
184 static void NdisMAllocateSharedMemory(ndis_handle, uint32_t,
185 uint8_t, void **, ndis_physaddr *);
186 static void ndis_asyncmem_complete(device_object *, void *);
187 static ndis_status NdisMAllocateSharedMemoryAsync(ndis_handle,
188 uint32_t, uint8_t, void *);
189 static void NdisMFreeSharedMemory(ndis_handle, uint32_t,
190 uint8_t, void *, ndis_physaddr);
191 static ndis_status NdisMMapIoSpace(void **, ndis_handle,
192 ndis_physaddr, uint32_t);
193 static void NdisMUnmapIoSpace(ndis_handle, void *, uint32_t);
194 static uint32_t NdisGetCacheFillSize(void);
195 static void *NdisGetRoutineAddress(unicode_string *);
196 static uint32_t NdisMGetDmaAlignment(ndis_handle);
197 static ndis_status NdisMInitializeScatterGatherDma(ndis_handle,
199 static void NdisUnchainBufferAtFront(ndis_packet *, ndis_buffer **);
200 static void NdisUnchainBufferAtBack(ndis_packet *, ndis_buffer **);
201 static void NdisAllocateBufferPool(ndis_status *,
202 ndis_handle *, uint32_t);
203 static void NdisFreeBufferPool(ndis_handle);
204 static void NdisAllocateBuffer(ndis_status *, ndis_buffer **,
205 ndis_handle, void *, uint32_t);
206 static void NdisFreeBuffer(ndis_buffer *);
207 static uint32_t NdisBufferLength(ndis_buffer *);
208 static void NdisQueryBuffer(ndis_buffer *, void **, uint32_t *);
209 static void NdisQueryBufferSafe(ndis_buffer *, void **,
210 uint32_t *, uint32_t);
211 static void *NdisBufferVirtualAddress(ndis_buffer *);
212 static void *NdisBufferVirtualAddressSafe(ndis_buffer *, uint32_t);
213 static void NdisAdjustBufferLength(ndis_buffer *, int);
214 static uint32_t NdisInterlockedIncrement(uint32_t *);
215 static uint32_t NdisInterlockedDecrement(uint32_t *);
216 static void NdisInitializeEvent(ndis_event *);
217 static void NdisSetEvent(ndis_event *);
218 static void NdisResetEvent(ndis_event *);
219 static uint8_t NdisWaitEvent(ndis_event *, uint32_t);
220 static ndis_status NdisUnicodeStringToAnsiString(ansi_string *,
223 NdisAnsiStringToUnicodeString(unicode_string *, ansi_string *);
224 static ndis_status NdisMPciAssignResources(ndis_handle,
225 uint32_t, ndis_resource_list **);
226 static ndis_status NdisMRegisterInterrupt(ndis_miniport_interrupt *,
227 ndis_handle, uint32_t, uint32_t, uint8_t,
228 uint8_t, ndis_interrupt_mode);
229 static void NdisMDeregisterInterrupt(ndis_miniport_interrupt *);
230 static void NdisMRegisterAdapterShutdownHandler(ndis_handle, void *,
231 ndis_shutdown_handler);
232 static void NdisMDeregisterAdapterShutdownHandler(ndis_handle);
233 static uint32_t NDIS_BUFFER_TO_SPAN_PAGES(ndis_buffer *);
234 static void NdisGetBufferPhysicalArraySize(ndis_buffer *,
236 static void NdisQueryBufferOffset(ndis_buffer *,
237 uint32_t *, uint32_t *);
238 static uint32_t NdisReadPcmciaAttributeMemory(ndis_handle,
239 uint32_t, void *, uint32_t);
240 static uint32_t NdisWritePcmciaAttributeMemory(ndis_handle,
241 uint32_t, void *, uint32_t);
242 static list_entry *NdisInterlockedInsertHeadList(list_entry *,
243 list_entry *, ndis_spin_lock *);
244 static list_entry *NdisInterlockedRemoveHeadList(list_entry *,
246 static list_entry *NdisInterlockedInsertTailList(list_entry *,
247 list_entry *, ndis_spin_lock *);
249 NdisMSynchronizeWithInterrupt(ndis_miniport_interrupt *,
251 static void NdisGetCurrentSystemTime(uint64_t *);
252 static void NdisGetSystemUpTime(uint32_t *);
253 static uint32_t NdisGetVersion(void);
254 static void NdisInitializeString(unicode_string *, char *);
255 static void NdisInitAnsiString(ansi_string *, char *);
256 static void NdisInitUnicodeString(unicode_string *, uint16_t *);
257 static void NdisFreeString(unicode_string *);
258 static ndis_status NdisMRemoveMiniport(ndis_handle *);
259 static void NdisTerminateWrapper(ndis_handle, void *);
260 static void NdisMGetDeviceProperty(ndis_handle, device_object **,
261 device_object **, device_object **, cm_resource_list *,
263 static void NdisGetFirstBufferFromPacket(ndis_packet *,
264 ndis_buffer **, void **, uint32_t *, uint32_t *);
265 static void NdisGetFirstBufferFromPacketSafe(ndis_packet *,
266 ndis_buffer **, void **, uint32_t *, uint32_t *, uint32_t);
267 static int ndis_find_sym(linker_file_t, char *, char *, caddr_t *);
268 static void NdisOpenFile(ndis_status *, ndis_handle *, uint32_t *,
269 unicode_string *, ndis_physaddr);
270 static void NdisMapFile(ndis_status *, void **, ndis_handle);
271 static void NdisUnmapFile(ndis_handle);
272 static void NdisCloseFile(ndis_handle);
273 static uint8_t NdisSystemProcessorCount(void);
274 static void NdisGetCurrentProcessorCounts(uint32_t *, uint32_t *, uint32_t *);
275 static void NdisMIndicateStatusComplete(ndis_handle);
276 static void NdisMIndicateStatus(ndis_handle, ndis_status,
278 static uint8_t ndis_intr(kinterrupt *, void *);
279 static void ndis_intrhand(kdpc *, ndis_miniport_interrupt *, void *, void *);
280 static funcptr ndis_findwrap(funcptr);
281 static void NdisCopyFromPacketToPacket(ndis_packet *,
282 uint32_t, uint32_t, ndis_packet *, uint32_t, uint32_t *);
283 static void NdisCopyFromPacketToPacketSafe(ndis_packet *,
284 uint32_t, uint32_t, ndis_packet *, uint32_t, uint32_t *, uint32_t);
285 static void NdisIMCopySendPerPacketInfo(ndis_packet *, ndis_packet *);
286 static ndis_status NdisMRegisterDevice(ndis_handle,
287 unicode_string *, unicode_string *, driver_dispatch **,
288 void **, ndis_handle *);
289 static ndis_status NdisMDeregisterDevice(ndis_handle);
291 NdisMQueryAdapterInstanceName(unicode_string *, ndis_handle);
292 static void NdisMRegisterUnloadHandler(ndis_handle, void *);
293 static void dummy(void);
296 * Some really old drivers do not properly check the return value
297 * from NdisAllocatePacket() and NdisAllocateBuffer() and will
298 * sometimes allocate few more buffers/packets that they originally
299 * requested when they created the pool. To prevent this from being
300 * a problem, we allocate a few extra buffers/packets beyond what
301 * the driver asks for. This #define controls how many.
303 #define NDIS_POOL_EXTRA 16
308 image_patch_table *patch;
310 strcpy(ndis_filepath, "/compat/ndis");
312 patch = ndis_functbl;
313 while (patch->ipt_func != NULL) {
314 windrv_wrap((funcptr)patch->ipt_func,
315 (funcptr *)&patch->ipt_wrap,
316 patch->ipt_argcnt, patch->ipt_ftype);
326 image_patch_table *patch;
328 patch = ndis_functbl;
329 while (patch->ipt_func != NULL) {
330 windrv_unwrap(patch->ipt_wrap);
338 ndis_findwrap(funcptr func)
340 image_patch_table *patch;
342 patch = ndis_functbl;
343 while (patch->ipt_func != NULL) {
344 if ((funcptr)patch->ipt_func == func)
345 return((funcptr)patch->ipt_wrap);
353 * This routine does the messy Windows Driver Model device attachment
354 * stuff on behalf of NDIS drivers. We register our own AddDevice
358 NdisInitializeWrapper(ndis_handle *wrapper, driver_object *drv, void *path,
362 * As of yet, I haven't come up with a compelling
363 * reason to define a private NDIS wrapper structure,
364 * so we use a pointer to the driver object as the
365 * wrapper handle. The driver object has the miniport
366 * characteristics struct for this driver hung off it
367 * via IoAllocateDriverObjectExtension(), and that's
368 * really all the private data we need.
374 * If this was really Windows, we'd be registering dispatch
375 * routines for the NDIS miniport module here, but we're
376 * not Windows so all we really need to do is set up an
377 * AddDevice function that'll be invoked when a new device
381 drv->dro_driverext->dre_adddevicefunc = NdisAddDevice;
385 NdisTerminateWrapper(ndis_handle handle, void *syspec)
387 /* Nothing to see here, move along. */
391 NdisMRegisterMiniport(ndis_handle handle,
392 ndis_miniport_characteristics *characteristics, int len)
394 ndis_miniport_characteristics *ch = NULL;
397 drv = (driver_object *)handle;
400 * We need to save the NDIS miniport characteristics
401 * somewhere. This data is per-driver, not per-device
402 * (all devices handled by the same driver have the
403 * same characteristics) so we hook it onto the driver
404 * object using IoAllocateDriverObjectExtension().
405 * The extra extension info is automagically deleted when
406 * the driver is unloaded (see windrv_unload()).
409 if (IoAllocateDriverObjectExtension(drv, (void *)1,
410 sizeof(ndis_miniport_characteristics), (void **)&ch) !=
412 return (NDIS_STATUS_RESOURCES);
415 bzero((char *)ch, sizeof(ndis_miniport_characteristics));
417 bcopy((char *)characteristics, (char *)ch, len);
419 if (ch->nmc_version_major < 5 || ch->nmc_version_minor < 1) {
420 ch->nmc_shutdown_handler = NULL;
421 ch->nmc_canceltxpkts_handler = NULL;
422 ch->nmc_pnpevent_handler = NULL;
425 return (NDIS_STATUS_SUCCESS);
429 NdisAllocateMemoryWithTag(void **vaddr, uint32_t len, uint32_t tag)
433 mem = ExAllocatePoolWithTag(NonPagedPool, len, tag);
435 return (NDIS_STATUS_RESOURCES);
439 return (NDIS_STATUS_SUCCESS);
443 NdisAllocateMemory(void **vaddr, uint32_t len, uint32_t flags,
444 ndis_physaddr highaddr)
448 mem = ExAllocatePoolWithTag(NonPagedPool, len, 0);
450 return (NDIS_STATUS_RESOURCES);
453 return (NDIS_STATUS_SUCCESS);
457 NdisFreeMemory(void *vaddr, uint32_t len, uint32_t flags)
466 NdisMSetAttributesEx(ndis_handle adapter_handle, ndis_handle adapter_ctx,
467 uint32_t hangsecs, uint32_t flags, ndis_interface_type iftype)
469 ndis_miniport_block *block;
472 * Save the adapter context, we need it for calling
473 * the driver's internal functions.
475 block = (ndis_miniport_block *)adapter_handle;
476 block->nmb_miniportadapterctx = adapter_ctx;
477 block->nmb_checkforhangsecs = hangsecs;
478 block->nmb_flags = flags;
480 return (NDIS_STATUS_SUCCESS);
484 NdisOpenConfiguration(ndis_status *status, ndis_handle *cfg,
488 *status = NDIS_STATUS_SUCCESS;
492 NdisOpenConfigurationKeyByName(ndis_status *status, ndis_handle cfg,
493 unicode_string *subkey, ndis_handle *subhandle)
496 *status = NDIS_STATUS_SUCCESS;
500 NdisOpenConfigurationKeyByIndex(ndis_status *status, ndis_handle cfg,
501 uint32_t idx, unicode_string *subkey, ndis_handle *subhandle)
503 *status = NDIS_STATUS_FAILURE;
507 ndis_encode_parm(ndis_miniport_block *block, struct sysctl_oid *oid,
508 ndis_parm_type type, ndis_config_parm **parm)
511 ndis_parmlist_entry *np;
518 np = ExAllocatePoolWithTag(NonPagedPool,
519 sizeof(ndis_parmlist_entry), 0);
521 return (NDIS_STATUS_RESOURCES);
522 InsertHeadList((&block->nmb_parmlist), (&np->np_list));
523 *parm = p = &np->np_parm;
526 case ndis_parm_string:
527 /* See if this might be a number. */
528 val = strtoul((char *)oid->oid_arg1, NULL, 10);
529 us = &p->ncp_parmdata.ncp_stringdata;
530 p->ncp_type = ndis_parm_string;
532 ksnprintf(tmp, 32, "%x", val);
533 RtlInitAnsiString(&as, tmp);
535 RtlInitAnsiString(&as, (char *)oid->oid_arg1);
538 if (RtlAnsiStringToUnicodeString(us, &as, TRUE)) {
540 return (NDIS_STATUS_RESOURCES);
544 if (strncmp((char *)oid->oid_arg1, "0x", 2) == 0)
548 p->ncp_type = ndis_parm_int;
549 p->ncp_parmdata.ncp_intdata =
550 strtol((char *)oid->oid_arg1, NULL, base);
552 case ndis_parm_hexint:
554 if (strncmp((char *)oid->oid_arg1, "0x", 2) == 0)
560 p->ncp_type = ndis_parm_hexint;
561 p->ncp_parmdata.ncp_intdata =
562 strtoul((char *)oid->oid_arg1, NULL, base);
565 return (NDIS_STATUS_FAILURE);
569 return (NDIS_STATUS_SUCCESS);
573 NdisReadConfiguration(ndis_status *status, ndis_config_parm **parm,
574 ndis_handle cfg, unicode_string *key, ndis_parm_type type)
577 ndis_miniport_block *block;
578 struct ndis_softc *sc;
579 struct sysctl_oid *oidp;
580 struct sysctl_ctx_entry *e;
583 block = (ndis_miniport_block *)cfg;
584 sc = device_get_softc(block->nmb_physdeviceobj->do_devext);
586 if (key->us_len == 0 || key->us_buf == NULL) {
587 *status = NDIS_STATUS_FAILURE;
591 if (RtlUnicodeStringToAnsiString(&as, key, TRUE)) {
592 *status = NDIS_STATUS_RESOURCES;
599 * See if registry key is already in a list of known keys
600 * included with the driver.
602 TAILQ_FOREACH(e, &sc->ndis_ctx, link) {
604 if (strcasecmp(oidp->oid_name, keystr) == 0) {
605 if (strcmp((char *)oidp->oid_arg1, "UNSET") == 0) {
606 RtlFreeAnsiString(&as);
607 *status = NDIS_STATUS_FAILURE;
611 *status = ndis_encode_parm(block, oidp, type, parm);
612 RtlFreeAnsiString(&as);
618 * If the key didn't match, add it to the list of dynamically
619 * created ones. Sometimes, drivers refer to registry keys
620 * that aren't documented in their .INF files. These keys
621 * are supposed to be created by some sort of utility or
622 * control panel snap-in that comes with the driver software.
623 * Sometimes it's useful to be able to manipulate these.
624 * If the driver requests the key in the form of a string,
625 * make its default value an empty string, otherwise default
629 if (type == ndis_parm_int || type == ndis_parm_hexint)
630 ndis_add_sysctl(sc, keystr, "(dynamic integer key)",
631 "UNSET", CTLFLAG_RW);
633 ndis_add_sysctl(sc, keystr, "(dynamic string key)",
634 "UNSET", CTLFLAG_RW);
636 RtlFreeAnsiString(&as);
637 *status = NDIS_STATUS_FAILURE;
641 ndis_decode_parm(ndis_miniport_block *block, ndis_config_parm *parm, char *val)
643 unicode_string *ustr;
646 switch(parm->ncp_type) {
647 case ndis_parm_string:
648 ustr = &parm->ncp_parmdata.ncp_stringdata;
649 if (RtlUnicodeStringToAnsiString(&as, ustr, TRUE))
650 return (NDIS_STATUS_RESOURCES);
651 bcopy(as.as_buf, val, as.as_len);
652 RtlFreeAnsiString(&as);
655 ksprintf(val, "%d", parm->ncp_parmdata.ncp_intdata);
657 case ndis_parm_hexint:
658 ksprintf(val, "%xu", parm->ncp_parmdata.ncp_intdata);
661 return (NDIS_STATUS_FAILURE);
664 return (NDIS_STATUS_SUCCESS);
668 NdisWriteConfiguration(ndis_status *status, ndis_handle cfg,
669 unicode_string *key, ndis_config_parm *parm)
673 ndis_miniport_block *block;
674 struct ndis_softc *sc;
675 struct sysctl_oid *oidp;
676 struct sysctl_ctx_entry *e;
679 block = (ndis_miniport_block *)cfg;
680 sc = device_get_softc(block->nmb_physdeviceobj->do_devext);
682 if (RtlUnicodeStringToAnsiString(&as, key, TRUE)) {
683 *status = NDIS_STATUS_RESOURCES;
689 /* Decode the parameter into a string. */
690 bzero(val, sizeof(val));
691 *status = ndis_decode_parm(block, parm, val);
692 if (*status != NDIS_STATUS_SUCCESS) {
693 RtlFreeAnsiString(&as);
697 /* See if the key already exists. */
699 TAILQ_FOREACH(e, &sc->ndis_ctx, link) {
701 if (strcasecmp(oidp->oid_name, keystr) == 0) {
702 /* Found it, set the value. */
703 strcpy((char *)oidp->oid_arg1, val);
704 RtlFreeAnsiString(&as);
709 /* Not found, add a new key with the specified value. */
710 ndis_add_sysctl(sc, keystr, "(dynamically set key)",
713 RtlFreeAnsiString(&as);
714 *status = NDIS_STATUS_SUCCESS;
718 NdisCloseConfiguration(ndis_handle cfg)
721 ndis_parmlist_entry *pe;
722 ndis_miniport_block *block;
725 block = (ndis_miniport_block *)cfg;
727 while (!IsListEmpty(&block->nmb_parmlist)) {
728 e = RemoveHeadList(&block->nmb_parmlist);
729 pe = CONTAINING_RECORD(e, ndis_parmlist_entry, np_list);
731 if (p->ncp_type == ndis_parm_string)
732 RtlFreeUnicodeString(&p->ncp_parmdata.ncp_stringdata);
738 * Initialize a Windows spinlock.
741 NdisAllocateSpinLock(ndis_spin_lock *lock)
743 KeInitializeSpinLock(&lock->nsl_spinlock);
748 * Destroy a Windows spinlock. This is a no-op for now. There are two reasons
749 * for this. One is that it's sort of superfluous: we don't have to do anything
750 * special to deallocate the spinlock. The other is that there are some buggy
751 * drivers which call NdisFreeSpinLock() _after_ calling NdisFreeMemory() on
752 * the block of memory in which the spinlock resides. (Yes, ADMtek, I'm
756 NdisFreeSpinLock(ndis_spin_lock *lock)
759 KeInitializeSpinLock(&lock->nsl_spinlock);
765 * Acquire a spinlock from IRQL <= DISPATCH_LEVEL.
769 NdisAcquireSpinLock(ndis_spin_lock *lock)
771 KeAcquireSpinLock(&lock->nsl_spinlock, &lock->nsl_kirql);
775 * Release a spinlock from IRQL == DISPATCH_LEVEL.
779 NdisReleaseSpinLock(ndis_spin_lock *lock)
781 KeReleaseSpinLock(&lock->nsl_spinlock, lock->nsl_kirql);
785 * Acquire a spinlock when already running at IRQL == DISPATCH_LEVEL.
788 NdisDprAcquireSpinLock(ndis_spin_lock *lock)
790 KeAcquireSpinLockAtDpcLevel(&lock->nsl_spinlock);
794 * Release a spinlock without leaving IRQL == DISPATCH_LEVEL.
797 NdisDprReleaseSpinLock(ndis_spin_lock *lock)
799 KeReleaseSpinLockFromDpcLevel(&lock->nsl_spinlock);
803 NdisInitializeReadWriteLock(ndis_rw_lock *lock)
805 KeInitializeSpinLock(&lock->nrl_spinlock);
806 bzero((char *)&lock->nrl_rsvd, sizeof(lock->nrl_rsvd));
810 NdisAcquireReadWriteLock(ndis_rw_lock *lock, uint8_t writeacc,
811 ndis_lock_state *state)
813 if (writeacc == TRUE) {
814 KeAcquireSpinLock(&lock->nrl_spinlock, &state->nls_oldirql);
821 NdisReleaseReadWriteLock(ndis_rw_lock *lock, ndis_lock_state *state)
823 if (lock->nrl_rsvd[0]) {
825 KeReleaseSpinLock(&lock->nrl_spinlock, state->nls_oldirql);
831 NdisReadPciSlotInformation(ndis_handle adapter, uint32_t slot, uint32_t offset,
832 void *buf, uint32_t len)
834 ndis_miniport_block *block;
839 block = (ndis_miniport_block *)adapter;
844 dev = block->nmb_physdeviceobj->do_devext;
847 * I have a test system consisting of a Sun w2100z
848 * dual 2.4Ghz Opteron machine and an Atheros 802.11a/b/g
849 * "Aries" miniPCI NIC. (The NIC is installed in the
850 * machine using a miniPCI to PCI bus adapter card.)
851 * When running in SMP mode, I found that
852 * performing a large number of consecutive calls to
853 * NdisReadPciSlotInformation() would result in a
854 * sudden system reset (or in some cases a freeze).
855 * My suspicion is that the multiple reads are somehow
856 * triggering a fatal PCI bus error that leads to a
857 * machine check. The 1us delay in the loop below
858 * seems to prevent this problem.
861 for (i = 0; i < len; i++) {
863 dest[i] = pci_read_config(dev, i + offset, 1);
870 NdisWritePciSlotInformation(ndis_handle adapter, uint32_t slot,
871 uint32_t offset, void *buf, uint32_t len)
873 ndis_miniport_block *block;
878 block = (ndis_miniport_block *)adapter;
884 dev = block->nmb_physdeviceobj->do_devext;
885 for (i = 0; i < len; i++) {
887 pci_write_config(dev, i + offset, dest[i], 1);
894 * The errorlog routine uses a variable argument list, so we
895 * have to declare it this way.
898 #define ERRMSGLEN 512
900 NdisWriteErrorLogEntry(ndis_handle adapter, ndis_error_code code,
901 uint32_t numerrors, ...)
903 ndis_miniport_block *block;
910 struct ndis_softc *sc;
913 ansi_string as = { 0, 0, NULL };
915 block = (ndis_miniport_block *)adapter;
916 dev = block->nmb_physdeviceobj->do_devext;
917 drv = block->nmb_deviceobj->do_drvobj;
918 sc = device_get_softc(dev);
921 if (ifp != NULL && ifp->if_flags & IFF_DEBUG) {
922 error = pe_get_message((vm_offset_t)drv->dro_driverstart,
923 code, &str, &i, &flags);
925 if (flags & MESSAGE_RESOURCE_UNICODE) {
926 RtlInitUnicodeString(&us, (uint16_t *)str);
927 if (RtlUnicodeStringToAnsiString(&as,
928 &us, TRUE) == STATUS_SUCCESS)
936 device_printf(dev, "NDIS ERROR: %x (%s)\n", code,
937 str == NULL ? "unknown error" : str);
939 if (ifp != NULL && ifp->if_flags & IFF_DEBUG) {
940 device_printf(dev, "NDIS NUMERRORS: %x\n", numerrors);
941 va_start(ap, numerrors);
942 for (i = 0; i < numerrors; i++)
943 device_printf(dev, "argptr: %p\n",
949 RtlFreeAnsiString(&as);
953 ndis_map_cb(void *arg, bus_dma_segment_t *segs, int nseg, int error)
955 struct ndis_map_arg *ctx;
963 for (i = 0; i < nseg; i++) {
964 ctx->nma_fraglist[i].npu_physaddr.np_quad = segs[i].ds_addr;
965 ctx->nma_fraglist[i].npu_len = segs[i].ds_len;
972 NdisMStartBufferPhysicalMapping(ndis_handle adapter, ndis_buffer *buf,
973 uint32_t mapreg, uint8_t writedev, ndis_paddr_unit *addrarray,
976 ndis_miniport_block *block;
977 struct ndis_softc *sc;
978 struct ndis_map_arg nma;
985 block = (ndis_miniport_block *)adapter;
986 sc = device_get_softc(block->nmb_physdeviceobj->do_devext);
988 if (mapreg > sc->ndis_mmapcnt)
991 map = sc->ndis_mmaps[mapreg];
992 nma.nma_fraglist = addrarray;
994 error = bus_dmamap_load(sc->ndis_mtag, map,
995 MmGetMdlVirtualAddress(buf), MmGetMdlByteCount(buf), ndis_map_cb,
996 (void *)&nma, BUS_DMA_NOWAIT);
1001 bus_dmamap_sync(sc->ndis_mtag, map,
1002 writedev ? BUS_DMASYNC_PREWRITE : BUS_DMASYNC_PREREAD);
1004 *arraysize = nma.nma_cnt;
1008 NdisMCompleteBufferPhysicalMapping(ndis_handle adapter, ndis_buffer *buf,
1011 ndis_miniport_block *block;
1012 struct ndis_softc *sc;
1015 if (adapter == NULL)
1018 block = (ndis_miniport_block *)adapter;
1019 sc = device_get_softc(block->nmb_physdeviceobj->do_devext);
1021 if (mapreg > sc->ndis_mmapcnt)
1024 map = sc->ndis_mmaps[mapreg];
1026 bus_dmamap_sync(sc->ndis_mtag, map,
1027 BUS_DMASYNC_POSTREAD|BUS_DMASYNC_POSTWRITE);
1029 bus_dmamap_unload(sc->ndis_mtag, map);
1033 * This is an older (?) timer init routine which doesn't
1034 * accept a miniport context handle. Serialized miniports should
1035 * never call this function.
1039 NdisInitializeTimer(ndis_timer *timer, ndis_timer_function func, void *ctx)
1041 KeInitializeTimer(&timer->nt_ktimer);
1042 KeInitializeDpc(&timer->nt_kdpc, func, ctx);
1043 KeSetImportanceDpc(&timer->nt_kdpc, KDPC_IMPORTANCE_LOW);
1047 ndis_timercall(kdpc *dpc, ndis_miniport_timer *timer, void *sysarg1,
1051 * Since we're called as a DPC, we should be running
1052 * at DISPATCH_LEVEL here. This means to acquire the
1053 * spinlock, we can use KeAcquireSpinLockAtDpcLevel()
1054 * rather than KeAcquireSpinLock().
1056 if (NDIS_SERIALIZED(timer->nmt_block))
1057 KeAcquireSpinLockAtDpcLevel(&timer->nmt_block->nmb_lock);
1059 MSCALL4(timer->nmt_timerfunc, dpc, timer->nmt_timerctx,
1062 if (NDIS_SERIALIZED(timer->nmt_block))
1063 KeReleaseSpinLockFromDpcLevel(&timer->nmt_block->nmb_lock);
1067 * For a long time I wondered why there were two NDIS timer initialization
1068 * routines, and why this one needed an NDIS_MINIPORT_TIMER and the
1069 * MiniportAdapterHandle. The NDIS_MINIPORT_TIMER has its own callout
1070 * function and context pointers separate from those in the DPC, which
1071 * allows for another level of indirection: when the timer fires, we
1072 * can have our own timer function invoked, and from there we can call
1073 * the driver's function. But why go to all that trouble? Then it hit
1074 * me: for serialized miniports, the timer callouts are not re-entrant.
1075 * By trapping the callouts and having access to the MiniportAdapterHandle,
1076 * we can protect the driver callouts by acquiring the NDIS serialization
1077 * lock. This is essential for allowing serialized miniports to work
1078 * correctly on SMP systems. On UP hosts, setting IRQL to DISPATCH_LEVEL
1079 * is enough to prevent other threads from pre-empting you, but with
1080 * SMP, you must acquire a lock as well, otherwise the other CPU is
1081 * free to clobber you.
1084 NdisMInitializeTimer(ndis_miniport_timer *timer, ndis_handle handle,
1085 ndis_timer_function func, void *ctx)
1087 /* Save the driver's funcptr and context */
1089 timer->nmt_timerfunc = func;
1090 timer->nmt_timerctx = ctx;
1091 timer->nmt_block = handle;
1094 * Set up the timer so it will call our intermediate DPC.
1095 * Be sure to use the wrapped entry point, since
1096 * ntoskrnl_run_dpc() expects to invoke a function with
1097 * Microsoft calling conventions.
1099 KeInitializeTimer(&timer->nmt_ktimer);
1100 KeInitializeDpc(&timer->nmt_kdpc,
1101 ndis_findwrap((funcptr)ndis_timercall), timer);
1102 timer->nmt_ktimer.k_dpc = &timer->nmt_kdpc;
1106 * In Windows, there's both an NdisMSetTimer() and an NdisSetTimer(),
1107 * but the former is just a macro wrapper around the latter.
1110 NdisSetTimer(ndis_timer *timer, uint32_t msecs)
1113 * KeSetTimer() wants the period in
1114 * hundred nanosecond intervals.
1116 KeSetTimer(&timer->nt_ktimer,
1117 ((int64_t)msecs * -10000), &timer->nt_kdpc);
1121 NdisMSetPeriodicTimer(ndis_miniport_timer *timer, uint32_t msecs)
1123 KeSetTimerEx(&timer->nmt_ktimer,
1124 ((int64_t)msecs * -10000), msecs, &timer->nmt_kdpc);
1128 * Technically, this is really NdisCancelTimer(), but we also
1129 * (ab)use it for NdisMCancelTimer(), since in our implementation
1130 * we don't need the extra info in the ndis_miniport_timer
1131 * structure just to cancel a timer.
1135 NdisMCancelTimer(ndis_timer *timer, uint8_t *cancelled)
1138 *cancelled = KeCancelTimer(&timer->nt_ktimer);
1142 NdisMQueryAdapterResources(ndis_status *status, ndis_handle adapter,
1143 ndis_resource_list *list, uint32_t *buflen)
1145 ndis_miniport_block *block;
1146 struct ndis_softc *sc;
1149 block = (ndis_miniport_block *)adapter;
1150 sc = device_get_softc(block->nmb_physdeviceobj->do_devext);
1152 rsclen = sizeof(ndis_resource_list) +
1153 (sizeof(cm_partial_resource_desc) * (sc->ndis_rescnt - 1));
1154 if (*buflen < rsclen) {
1156 *status = NDIS_STATUS_INVALID_LENGTH;
1160 bcopy((char *)block->nmb_rlist, (char *)list, rsclen);
1161 *status = NDIS_STATUS_SUCCESS;
1165 NdisMRegisterIoPortRange(void **offset, ndis_handle adapter, uint32_t port,
1168 struct ndis_miniport_block *block;
1169 struct ndis_softc *sc;
1171 if (adapter == NULL)
1172 return (NDIS_STATUS_FAILURE);
1174 block = (ndis_miniport_block *)adapter;
1175 sc = device_get_softc(block->nmb_physdeviceobj->do_devext);
1177 if (sc->ndis_res_io == NULL)
1178 return (NDIS_STATUS_FAILURE);
1180 /* Don't let the device map more ports than we have. */
1181 if (rman_get_size(sc->ndis_res_io) < numports)
1182 return (NDIS_STATUS_INVALID_LENGTH);
1184 *offset = (void *)rman_get_start(sc->ndis_res_io);
1186 return (NDIS_STATUS_SUCCESS);
1190 NdisMDeregisterIoPortRange(ndis_handle adapter, uint32_t port,
1191 uint32_t numports, void *offset)
1196 NdisReadNetworkAddress(ndis_status *status, void **addr, uint32_t *addrlen,
1197 ndis_handle adapter)
1199 struct ndis_softc *sc;
1200 ndis_miniport_block *block;
1201 uint8_t empty[] = { 0, 0, 0, 0, 0, 0 };
1203 block = (ndis_miniport_block *)adapter;
1204 sc = device_get_softc(block->nmb_physdeviceobj->do_devext);
1205 if (sc->ifp == NULL) {
1206 *status = NDIS_STATUS_FAILURE;
1210 if (sc->ifp->if_lladdr == NULL ||
1211 bcmp(IF_LLADDR(sc->ifp), empty, ETHER_ADDR_LEN) == 0)
1212 *status = NDIS_STATUS_FAILURE;
1214 *addr = IF_LLADDR(sc->ifp);
1215 *addrlen = ETHER_ADDR_LEN;
1216 *status = NDIS_STATUS_SUCCESS;
1221 NdisQueryMapRegisterCount(uint32_t bustype, uint32_t *cnt)
1224 return (NDIS_STATUS_SUCCESS);
1228 NdisMAllocateMapRegisters(ndis_handle adapter, uint32_t dmachannel,
1229 uint8_t dmasize, uint32_t physmapneeded, uint32_t maxmap)
1231 struct ndis_softc *sc;
1232 ndis_miniport_block *block;
1233 int error, i, nseg = NDIS_MAXSEG;
1235 block = (ndis_miniport_block *)adapter;
1236 sc = device_get_softc(block->nmb_physdeviceobj->do_devext);
1238 sc->ndis_mmaps = kmalloc(sizeof(bus_dmamap_t) * physmapneeded,
1239 M_DEVBUF, M_NOWAIT|M_ZERO);
1241 if (sc->ndis_mmaps == NULL)
1242 return (NDIS_STATUS_RESOURCES);
1244 error = bus_dma_tag_create(sc->ndis_parent_tag, ETHER_ALIGN, 0,
1245 BUS_SPACE_MAXADDR_32BIT, BUS_SPACE_MAXADDR, NULL,
1246 NULL, maxmap * nseg, nseg, maxmap, BUS_DMA_ALLOCNOW,
1250 kfree(sc->ndis_mmaps, M_DEVBUF);
1251 return (NDIS_STATUS_RESOURCES);
1254 for (i = 0; i < physmapneeded; i++)
1255 bus_dmamap_create(sc->ndis_mtag, 0, &sc->ndis_mmaps[i]);
1257 sc->ndis_mmapcnt = physmapneeded;
1259 return (NDIS_STATUS_SUCCESS);
1263 NdisMFreeMapRegisters(ndis_handle adapter)
1265 struct ndis_softc *sc;
1266 ndis_miniport_block *block;
1269 block = (ndis_miniport_block *)adapter;
1270 sc = device_get_softc(block->nmb_physdeviceobj->do_devext);
1272 for (i = 0; i < sc->ndis_mmapcnt; i++)
1273 bus_dmamap_destroy(sc->ndis_mtag, sc->ndis_mmaps[i]);
1275 kfree(sc->ndis_mmaps, M_DEVBUF);
1277 bus_dma_tag_destroy(sc->ndis_mtag);
1281 ndis_mapshared_cb(void *arg, bus_dma_segment_t *segs, int nseg, int error)
1285 if (error || nseg > 1)
1290 p->np_quad = segs[0].ds_addr;
1294 * This maps to bus_dmamem_alloc().
1298 NdisMAllocateSharedMemory(ndis_handle adapter, uint32_t len, uint8_t cached,
1299 void **vaddr, ndis_physaddr *paddr)
1301 ndis_miniport_block *block;
1302 struct ndis_softc *sc;
1303 struct ndis_shmem *sh;
1306 if (adapter == NULL)
1309 block = (ndis_miniport_block *)adapter;
1310 sc = device_get_softc(block->nmb_physdeviceobj->do_devext);
1312 sh = kmalloc(sizeof(struct ndis_shmem), M_DEVBUF, M_NOWAIT|M_ZERO);
1316 InitializeListHead(&sh->ndis_list);
1319 * When performing shared memory allocations, create a tag
1320 * with a lowaddr limit that restricts physical memory mappings
1321 * so that they all fall within the first 1GB of memory.
1322 * At least one device/driver combination (Linksys Instant
1323 * Wireless PCI Card V2.7, Broadcom 802.11b) seems to have
1324 * problems with performing DMA operations with physical
1325 * addresses that lie above the 1GB mark. I don't know if this
1326 * is a hardware limitation or if the addresses are being
1327 * truncated within the driver, but this seems to be the only
1328 * way to make these cards work reliably in systems with more
1329 * than 1GB of physical memory.
1332 error = bus_dma_tag_create(sc->ndis_parent_tag, 64,
1333 0, NDIS_BUS_SPACE_SHARED_MAXADDR, BUS_SPACE_MAXADDR, NULL,
1334 NULL, len, 1, len, BUS_DMA_ALLOCNOW, &sh->ndis_stag);
1337 kfree(sh, M_DEVBUF);
1341 error = bus_dmamem_alloc(sh->ndis_stag, vaddr,
1342 BUS_DMA_NOWAIT | BUS_DMA_ZERO, &sh->ndis_smap);
1345 bus_dma_tag_destroy(sh->ndis_stag);
1346 kfree(sh, M_DEVBUF);
1350 error = bus_dmamap_load(sh->ndis_stag, sh->ndis_smap, *vaddr,
1351 len, ndis_mapshared_cb, (void *)paddr, BUS_DMA_NOWAIT);
1354 bus_dmamem_free(sh->ndis_stag, *vaddr, sh->ndis_smap);
1355 bus_dma_tag_destroy(sh->ndis_stag);
1356 kfree(sh, M_DEVBUF);
1361 * Save the physical address along with the source address.
1362 * The AirGo MIMO driver will call NdisMFreeSharedMemory()
1363 * with a bogus virtual address sometimes, but with a valid
1364 * physical address. To keep this from causing trouble, we
1365 * use the physical address to as a sanity check in case
1366 * searching based on the virtual address fails.
1370 sh->ndis_paddr.np_quad = paddr->np_quad;
1371 sh->ndis_saddr = *vaddr;
1372 InsertHeadList((&sc->ndis_shlist), (&sh->ndis_list));
1376 struct ndis_allocwork {
1384 ndis_asyncmem_complete(device_object *dobj, void *arg)
1386 ndis_miniport_block *block;
1387 struct ndis_softc *sc;
1388 struct ndis_allocwork *w;
1390 ndis_physaddr paddr;
1391 ndis_allocdone_handler donefunc;
1394 block = (ndis_miniport_block *)dobj->do_devext;
1395 sc = device_get_softc(block->nmb_physdeviceobj->do_devext);
1400 donefunc = sc->ndis_chars->nmc_allocate_complete_func;
1401 NdisMAllocateSharedMemory(block, w->na_len,
1402 w->na_cached, &vaddr, &paddr);
1403 MSCALL5(donefunc, block, vaddr, &paddr, w->na_len, w->na_ctx);
1405 IoFreeWorkItem(w->na_iw);
1410 NdisMAllocateSharedMemoryAsync(ndis_handle adapter, uint32_t len,
1411 uint8_t cached, void *ctx)
1413 ndis_miniport_block *block;
1414 struct ndis_allocwork *w;
1416 io_workitem_func ifw;
1418 if (adapter == NULL)
1419 return (NDIS_STATUS_FAILURE);
1423 iw = IoAllocateWorkItem(block->nmb_deviceobj);
1425 return (NDIS_STATUS_FAILURE);
1427 w = kmalloc(sizeof(struct ndis_allocwork), M_TEMP, M_NOWAIT);
1430 return (NDIS_STATUS_FAILURE);
1432 w->na_cached = cached;
1437 ifw = (io_workitem_func)ndis_findwrap((funcptr)ndis_asyncmem_complete);
1438 IoQueueWorkItem(iw, ifw, WORKQUEUE_DELAYED, w);
1440 return (NDIS_STATUS_PENDING);
1444 NdisMFreeSharedMemory(ndis_handle adapter, uint32_t len, uint8_t cached,
1445 void *vaddr, ndis_physaddr paddr)
1447 ndis_miniport_block *block;
1448 struct ndis_softc *sc;
1449 struct ndis_shmem *sh = NULL;
1452 if (vaddr == NULL || adapter == NULL)
1455 block = (ndis_miniport_block *)adapter;
1456 sc = device_get_softc(block->nmb_physdeviceobj->do_devext);
1458 /* Sanity check: is list empty? */
1460 if (IsListEmpty(&sc->ndis_shlist))
1464 l = sc->ndis_shlist.nle_flink;
1465 while (l != &sc->ndis_shlist) {
1466 sh = CONTAINING_RECORD(l, struct ndis_shmem, ndis_list);
1467 if (sh->ndis_saddr == vaddr)
1470 * Check the physaddr too, just in case the driver lied
1471 * about the virtual address.
1473 if (sh->ndis_paddr.np_quad == paddr.np_quad)
1480 kprintf("NDIS: buggy driver tried to free "
1481 "invalid shared memory: vaddr: %p paddr: 0x%jx\n",
1482 vaddr, (uintmax_t)paddr.np_quad);
1486 RemoveEntryList(&sh->ndis_list);
1490 bus_dmamap_unload(sh->ndis_stag, sh->ndis_smap);
1491 bus_dmamem_free(sh->ndis_stag, sh->ndis_saddr, sh->ndis_smap);
1492 bus_dma_tag_destroy(sh->ndis_stag);
1494 kfree(sh, M_DEVBUF);
1498 NdisMMapIoSpace(void **vaddr, ndis_handle adapter, ndis_physaddr paddr,
1501 if (adapter == NULL)
1502 return (NDIS_STATUS_FAILURE);
1504 *vaddr = MmMapIoSpace(paddr.np_quad, len, 0);
1507 return (NDIS_STATUS_FAILURE);
1509 return (NDIS_STATUS_SUCCESS);
1513 NdisMUnmapIoSpace(ndis_handle adapter, void *vaddr, uint32_t len)
1515 MmUnmapIoSpace(vaddr, len);
1519 NdisGetCacheFillSize(void)
1525 NdisGetRoutineAddress(unicode_string *ustr)
1529 if (RtlUnicodeStringToAnsiString(&astr, ustr, TRUE))
1531 return (ndis_get_routine_address(ndis_functbl, astr.as_buf));
1535 NdisMGetDmaAlignment(ndis_handle handle)
1541 * NDIS has two methods for dealing with NICs that support DMA.
1542 * One is to just pass packets to the driver and let it call
1543 * NdisMStartBufferPhysicalMapping() to map each buffer in the packet
1544 * all by itself, and the other is to let the NDIS library handle the
1545 * buffer mapping internally, and hand the driver an already populated
1546 * scatter/gather fragment list. If the driver calls
1547 * NdisMInitializeScatterGatherDma(), it wants to use the latter
1552 NdisMInitializeScatterGatherDma(ndis_handle adapter, uint8_t is64,
1553 uint32_t maxphysmap)
1555 struct ndis_softc *sc;
1556 ndis_miniport_block *block;
1559 if (adapter == NULL)
1560 return (NDIS_STATUS_FAILURE);
1561 block = (ndis_miniport_block *)adapter;
1562 sc = device_get_softc(block->nmb_physdeviceobj->do_devext);
1564 /* Don't do this twice. */
1565 if (sc->ndis_sc == 1)
1566 return (NDIS_STATUS_SUCCESS);
1568 error = bus_dma_tag_create(sc->ndis_parent_tag, ETHER_ALIGN, 0,
1569 BUS_SPACE_MAXADDR_32BIT, BUS_SPACE_MAXADDR, NULL, NULL,
1570 MCLBYTES * NDIS_MAXSEG, NDIS_MAXSEG, MCLBYTES, BUS_DMA_ALLOCNOW,
1575 return (NDIS_STATUS_SUCCESS);
1579 NdisAllocatePacketPool(ndis_status *status, ndis_handle *pool,
1580 uint32_t descnum, uint32_t protrsvdlen)
1582 ndis_packet_pool *p;
1583 ndis_packet *packets;
1586 p = ExAllocatePoolWithTag(NonPagedPool, sizeof(ndis_packet_pool), 0);
1588 *status = NDIS_STATUS_RESOURCES;
1592 p->np_cnt = descnum + NDIS_POOL_EXTRA;
1593 p->np_protrsvd = protrsvdlen;
1594 p->np_len = sizeof(ndis_packet) + protrsvdlen;
1596 packets = ExAllocatePoolWithTag(NonPagedPool, p->np_cnt *
1600 if (packets == NULL) {
1602 *status = NDIS_STATUS_RESOURCES;
1606 p->np_pktmem = packets;
1608 for (i = 0; i < p->np_cnt; i++)
1609 InterlockedPushEntrySList(&p->np_head,
1610 (struct slist_entry *)&packets[i]);
1612 #ifdef NDIS_DEBUG_PACKETS
1614 KeInitializeSpinLock(&p->np_lock);
1615 KeInitializeEvent(&p->np_event, EVENT_TYPE_NOTIFY, TRUE);
1619 *status = NDIS_STATUS_SUCCESS;
1623 NdisAllocatePacketPoolEx(ndis_status *status, ndis_handle *pool,
1624 uint32_t descnum, uint32_t oflowdescnum, uint32_t protrsvdlen)
1626 NdisAllocatePacketPool(status, pool, descnum + oflowdescnum,
1631 NdisPacketPoolUsage(ndis_handle pool)
1633 ndis_packet_pool *p;
1635 p = (ndis_packet_pool *)pool;
1636 return (p->np_cnt - ExQueryDepthSList(&p->np_head));
1640 NdisFreePacketPool(ndis_handle pool)
1642 ndis_packet_pool *p;
1644 #ifdef NDIS_DEBUG_PACKETS
1648 p = (ndis_packet_pool *)pool;
1650 #ifdef NDIS_DEBUG_PACKETS
1651 KeAcquireSpinLock(&p->np_lock, &irql);
1654 usage = NdisPacketPoolUsage(pool);
1656 #ifdef NDIS_DEBUG_PACKETS
1659 KeResetEvent(&p->np_event);
1660 KeReleaseSpinLock(&p->np_lock, irql);
1661 KeWaitForSingleObject(&p->np_event, 0, 0, FALSE, NULL);
1663 KeReleaseSpinLock(&p->np_lock, irql);
1666 ExFreePool(p->np_pktmem);
1671 NdisAllocatePacket(ndis_status *status, ndis_packet **packet, ndis_handle pool)
1673 ndis_packet_pool *p;
1675 #ifdef NDIS_DEBUG_PACKETS
1679 p = (ndis_packet_pool *)pool;
1681 #ifdef NDIS_DEBUG_PACKETS
1682 KeAcquireSpinLock(&p->np_lock, &irql);
1684 KeReleaseSpinLock(&p->np_lock, irql);
1685 kprintf("NDIS: tried to allocate packet from dead pool %p\n",
1687 *status = NDIS_STATUS_RESOURCES;
1692 pkt = (ndis_packet *)InterlockedPopEntrySList(&p->np_head);
1694 #ifdef NDIS_DEBUG_PACKETS
1695 KeReleaseSpinLock(&p->np_lock, irql);
1699 *status = NDIS_STATUS_RESOURCES;
1704 bzero((char *)pkt, sizeof(ndis_packet));
1706 /* Save pointer to the pool. */
1707 pkt->np_private.npp_pool = pool;
1709 /* Set the oob offset pointer. Lots of things expect this. */
1710 pkt->np_private.npp_packetooboffset = offsetof(ndis_packet, np_oob);
1713 * We must initialize the packet flags correctly in order
1714 * for the NDIS_SET_PACKET_MEDIA_SPECIFIC_INFO() and
1715 * NDIS_GET_PACKET_MEDIA_SPECIFIC_INFO() macros to work
1718 pkt->np_private.npp_ndispktflags = NDIS_PACKET_ALLOCATED_BY_NDIS;
1719 pkt->np_private.npp_validcounts = FALSE;
1723 *status = NDIS_STATUS_SUCCESS;
1727 NdisFreePacket(ndis_packet *packet)
1729 ndis_packet_pool *p;
1730 #ifdef NDIS_DEBUG_PACKETS
1734 p = (ndis_packet_pool *)packet->np_private.npp_pool;
1736 #ifdef NDIS_DEBUG_PACKETS
1737 KeAcquireSpinLock(&p->np_lock, &irql);
1740 InterlockedPushEntrySList(&p->np_head, (slist_entry *)packet);
1742 #ifdef NDIS_DEBUG_PACKETS
1744 if (ExQueryDepthSList(&p->np_head) == p->np_cnt)
1745 KeSetEvent(&p->np_event, IO_NO_INCREMENT, FALSE);
1747 KeReleaseSpinLock(&p->np_lock, irql);
1752 NdisUnchainBufferAtFront(ndis_packet *packet, ndis_buffer **buf)
1754 ndis_packet_private *priv;
1756 if (packet == NULL || buf == NULL)
1759 priv = &packet->np_private;
1761 priv->npp_validcounts = FALSE;
1763 if (priv->npp_head == priv->npp_tail) {
1764 *buf = priv->npp_head;
1765 priv->npp_head = priv->npp_tail = NULL;
1767 *buf = priv->npp_head;
1768 priv->npp_head = (*buf)->mdl_next;
1773 NdisUnchainBufferAtBack(ndis_packet *packet, ndis_buffer **buf)
1775 ndis_packet_private *priv;
1778 if (packet == NULL || buf == NULL)
1781 priv = &packet->np_private;
1783 priv->npp_validcounts = FALSE;
1785 if (priv->npp_head == priv->npp_tail) {
1786 *buf = priv->npp_head;
1787 priv->npp_head = priv->npp_tail = NULL;
1789 *buf = priv->npp_tail;
1790 tmp = priv->npp_head;
1791 while (tmp->mdl_next != priv->npp_tail)
1792 tmp = tmp->mdl_next;
1793 priv->npp_tail = tmp;
1794 tmp->mdl_next = NULL;
1799 * The NDIS "buffer" is really an MDL (memory descriptor list)
1800 * which is used to describe a buffer in a way that allows it
1801 * to mapped into different contexts. We have to be careful how
1802 * we handle them: in some versions of Windows, the NdisFreeBuffer()
1803 * routine is an actual function in the NDIS API, but in others
1804 * it's just a macro wrapper around IoFreeMdl(). There's really
1805 * no way to use the 'descnum' parameter to count how many
1806 * "buffers" are allocated since in order to use IoFreeMdl() to
1807 * dispose of a buffer, we have to use IoAllocateMdl() to allocate
1808 * them, and IoAllocateMdl() just grabs them out of the heap.
1812 NdisAllocateBufferPool(ndis_status *status, ndis_handle *pool,
1817 * The only thing we can really do here is verify that descnum
1818 * is a reasonable value, but I really don't know what to check
1822 *pool = NonPagedPool;
1823 *status = NDIS_STATUS_SUCCESS;
1827 NdisFreeBufferPool(ndis_handle pool)
1832 NdisAllocateBuffer(ndis_status *status, ndis_buffer **buffer, ndis_handle pool,
1833 void *vaddr, uint32_t len)
1837 buf = IoAllocateMdl(vaddr, len, FALSE, FALSE, NULL);
1839 *status = NDIS_STATUS_RESOURCES;
1843 MmBuildMdlForNonPagedPool(buf);
1846 *status = NDIS_STATUS_SUCCESS;
1850 NdisFreeBuffer(ndis_buffer *buf)
1858 NdisBufferLength(ndis_buffer *buf)
1860 return (MmGetMdlByteCount(buf));
1864 * Get the virtual address and length of a buffer.
1865 * Note: the vaddr argument is optional.
1869 NdisQueryBuffer(ndis_buffer *buf, void **vaddr, uint32_t *len)
1872 *vaddr = MmGetMdlVirtualAddress(buf);
1873 *len = MmGetMdlByteCount(buf);
1876 /* Same as above -- we don't care about the priority. */
1879 NdisQueryBufferSafe(ndis_buffer *buf, void **vaddr, uint32_t *len,
1883 *vaddr = MmGetMdlVirtualAddress(buf);
1884 *len = MmGetMdlByteCount(buf);
1887 /* Damnit Microsoft!! How many ways can you do the same thing?! */
1890 NdisBufferVirtualAddress(ndis_buffer *buf)
1892 return (MmGetMdlVirtualAddress(buf));
1896 NdisBufferVirtualAddressSafe(ndis_buffer *buf, uint32_t prio)
1898 return (MmGetMdlVirtualAddress(buf));
1902 NdisAdjustBufferLength(ndis_buffer *buf, int len)
1904 MmGetMdlByteCount(buf) = len;
1908 NdisInterlockedIncrement(uint32_t *addend)
1910 atomic_add_long((u_long *)addend, 1);
1915 NdisInterlockedDecrement(uint32_t *addend)
1917 atomic_subtract_long((u_long *)addend, 1);
1922 NdisGetVersion(void)
1924 return (0x00050001);
1928 NdisInitializeEvent(ndis_event *event)
1931 * NDIS events are always notification
1932 * events, and should be initialized to the
1933 * not signaled state.
1935 KeInitializeEvent(&event->ne_event, EVENT_TYPE_NOTIFY, FALSE);
1939 NdisSetEvent(ndis_event *event)
1941 KeSetEvent(&event->ne_event, IO_NO_INCREMENT, FALSE);
1945 NdisResetEvent(ndis_event *event)
1947 KeResetEvent(&event->ne_event);
1951 NdisWaitEvent(ndis_event *event, uint32_t msecs)
1956 duetime = ((int64_t)msecs * -10000);
1957 rval = KeWaitForSingleObject(event,
1958 0, 0, TRUE, msecs ? & duetime : NULL);
1960 if (rval == STATUS_TIMEOUT)
1967 NdisUnicodeStringToAnsiString(ansi_string *dstr, unicode_string *sstr)
1971 rval = RtlUnicodeStringToAnsiString(dstr, sstr, FALSE);
1973 if (rval == STATUS_INSUFFICIENT_RESOURCES)
1974 return (NDIS_STATUS_RESOURCES);
1976 return (NDIS_STATUS_FAILURE);
1978 return (NDIS_STATUS_SUCCESS);
1982 NdisAnsiStringToUnicodeString(unicode_string *dstr, ansi_string *sstr)
1986 rval = RtlAnsiStringToUnicodeString(dstr, sstr, FALSE);
1988 if (rval == STATUS_INSUFFICIENT_RESOURCES)
1989 return (NDIS_STATUS_RESOURCES);
1991 return (NDIS_STATUS_FAILURE);
1993 return (NDIS_STATUS_SUCCESS);
1997 NdisMPciAssignResources(ndis_handle adapter, uint32_t slot,
1998 ndis_resource_list **list)
2000 ndis_miniport_block *block;
2002 if (adapter == NULL || list == NULL)
2003 return (NDIS_STATUS_FAILURE);
2005 block = (ndis_miniport_block *)adapter;
2006 *list = block->nmb_rlist;
2008 return (NDIS_STATUS_SUCCESS);
2012 ndis_intr(kinterrupt *iobj, void *arg)
2014 struct ndis_softc *sc;
2015 uint8_t is_our_intr = FALSE;
2017 ndis_miniport_interrupt *intr;
2020 intr = sc->ndis_block->nmb_interrupt;
2022 if (intr == NULL || sc->ndis_block->nmb_miniportadapterctx == NULL)
2025 if (sc->ndis_block->nmb_interrupt->ni_isrreq == TRUE)
2026 MSCALL3(intr->ni_isrfunc, &is_our_intr, &call_isr,
2027 sc->ndis_block->nmb_miniportadapterctx);
2029 MSCALL1(sc->ndis_chars->nmc_disable_interrupts_func,
2030 sc->ndis_block->nmb_miniportadapterctx);
2035 IoRequestDpc(sc->ndis_block->nmb_deviceobj, NULL, sc);
2037 return (is_our_intr);
2041 ndis_intrhand(kdpc *dpc, ndis_miniport_interrupt *intr, void *sysarg1,
2044 struct ndis_softc *sc;
2045 ndis_miniport_block *block;
2046 ndis_handle adapter;
2048 block = intr->ni_block;
2049 adapter = block->nmb_miniportadapterctx;
2050 sc = device_get_softc(block->nmb_physdeviceobj->do_devext);
2052 if (NDIS_SERIALIZED(sc->ndis_block))
2053 KeAcquireSpinLockAtDpcLevel(&block->nmb_lock);
2055 MSCALL1(intr->ni_dpcfunc, adapter);
2057 /* If there's a MiniportEnableInterrupt() routine, call it. */
2059 if (sc->ndis_chars->nmc_enable_interrupts_func != NULL)
2060 MSCALL1(sc->ndis_chars->nmc_enable_interrupts_func, adapter);
2062 if (NDIS_SERIALIZED(sc->ndis_block))
2063 KeReleaseSpinLockFromDpcLevel(&block->nmb_lock);
2066 * Set the completion event if we've drained all
2067 * pending interrupts.
2070 KeAcquireSpinLockAtDpcLevel(&intr->ni_dpccountlock);
2072 if (intr->ni_dpccnt == 0)
2073 KeSetEvent(&intr->ni_dpcevt, IO_NO_INCREMENT, FALSE);
2074 KeReleaseSpinLockFromDpcLevel(&intr->ni_dpccountlock);
2078 NdisMRegisterInterrupt(ndis_miniport_interrupt *intr, ndis_handle adapter,
2079 uint32_t ivec, uint32_t ilevel, uint8_t reqisr, uint8_t shared,
2080 ndis_interrupt_mode imode)
2082 ndis_miniport_block *block;
2083 ndis_miniport_characteristics *ch;
2084 struct ndis_softc *sc;
2088 sc = device_get_softc(block->nmb_physdeviceobj->do_devext);
2089 ch = IoGetDriverObjectExtension(block->nmb_deviceobj->do_drvobj,
2092 intr->ni_rsvd = ExAllocatePoolWithTag(NonPagedPool,
2093 sizeof(struct mtx), 0);
2094 if (intr->ni_rsvd == NULL)
2095 return (NDIS_STATUS_RESOURCES);
2097 intr->ni_block = adapter;
2098 intr->ni_isrreq = reqisr;
2099 intr->ni_shared = shared;
2100 intr->ni_dpccnt = 0;
2101 intr->ni_isrfunc = ch->nmc_isr_func;
2102 intr->ni_dpcfunc = ch->nmc_interrupt_func;
2104 KeInitializeEvent(&intr->ni_dpcevt, EVENT_TYPE_NOTIFY, TRUE);
2105 KeInitializeDpc(&intr->ni_dpc,
2106 ndis_findwrap((funcptr)ndis_intrhand), intr);
2107 KeSetImportanceDpc(&intr->ni_dpc, KDPC_IMPORTANCE_LOW);
2109 error = IoConnectInterrupt(&intr->ni_introbj,
2110 ndis_findwrap((funcptr)ndis_intr), sc, NULL,
2111 ivec, ilevel, 0, imode, shared, 0, FALSE);
2113 if (error != STATUS_SUCCESS)
2114 return (NDIS_STATUS_FAILURE);
2116 block->nmb_interrupt = intr;
2118 return (NDIS_STATUS_SUCCESS);
2122 NdisMDeregisterInterrupt(ndis_miniport_interrupt *intr)
2124 ndis_miniport_block *block;
2127 block = intr->ni_block;
2129 /* Should really be KeSynchronizeExecution() */
2131 KeAcquireSpinLock(intr->ni_introbj->ki_lock, &irql);
2132 block->nmb_interrupt = NULL;
2133 KeReleaseSpinLock(intr->ni_introbj->ki_lock, irql);
2135 KeFlushQueuedDpcs();
2137 /* Disconnect our ISR */
2139 IoDisconnectInterrupt(intr->ni_introbj);
2141 KeWaitForSingleObject(&intr->ni_dpcevt, 0, 0, FALSE, NULL);
2142 KeResetEvent(&intr->ni_dpcevt);
2146 NdisMRegisterAdapterShutdownHandler(ndis_handle adapter, void *shutdownctx,
2147 ndis_shutdown_handler shutdownfunc)
2149 ndis_miniport_block *block;
2150 ndis_miniport_characteristics *chars;
2151 struct ndis_softc *sc;
2153 if (adapter == NULL)
2156 block = (ndis_miniport_block *)adapter;
2157 sc = device_get_softc(block->nmb_physdeviceobj->do_devext);
2158 chars = sc->ndis_chars;
2160 chars->nmc_shutdown_handler = shutdownfunc;
2161 chars->nmc_rsvd0 = shutdownctx;
2165 NdisMDeregisterAdapterShutdownHandler(ndis_handle adapter)
2167 ndis_miniport_block *block;
2168 ndis_miniport_characteristics *chars;
2169 struct ndis_softc *sc;
2171 if (adapter == NULL)
2174 block = (ndis_miniport_block *)adapter;
2175 sc = device_get_softc(block->nmb_physdeviceobj->do_devext);
2176 chars = sc->ndis_chars;
2178 chars->nmc_shutdown_handler = NULL;
2179 chars->nmc_rsvd0 = NULL;
2183 NDIS_BUFFER_TO_SPAN_PAGES(ndis_buffer *buf)
2187 if (MmGetMdlByteCount(buf) == 0)
2189 return (SPAN_PAGES(MmGetMdlVirtualAddress(buf),
2190 MmGetMdlByteCount(buf)));
2194 NdisGetBufferPhysicalArraySize(ndis_buffer *buf, uint32_t *pages)
2199 *pages = NDIS_BUFFER_TO_SPAN_PAGES(buf);
2203 NdisQueryBufferOffset(ndis_buffer *buf, uint32_t *off, uint32_t *len)
2208 *off = MmGetMdlByteOffset(buf);
2209 *len = MmGetMdlByteCount(buf);
2213 NdisMSleep(uint32_t usecs)
2218 * During system bootstrap, (i.e. cold == 1), we aren't
2219 * allowed to sleep, so we have to do a hard DELAY()
2226 KeInitializeTimer(&timer);
2227 KeSetTimer(&timer, ((int64_t)usecs * -10), NULL);
2228 KeWaitForSingleObject(&timer, 0, 0, FALSE, NULL);
2233 NdisReadPcmciaAttributeMemory(ndis_handle handle, uint32_t offset, void *buf,
2236 struct ndis_softc *sc;
2237 ndis_miniport_block *block;
2238 bus_space_handle_t bh;
2246 block = (ndis_miniport_block *)handle;
2247 sc = device_get_softc(block->nmb_physdeviceobj->do_devext);
2250 bh = rman_get_bushandle(sc->ndis_res_am);
2251 bt = rman_get_bustag(sc->ndis_res_am);
2253 for (i = 0; i < len; i++)
2254 dest[i] = bus_space_read_1(bt, bh, (offset + i) * 2);
2260 NdisWritePcmciaAttributeMemory(ndis_handle handle, uint32_t offset, void *buf,
2263 struct ndis_softc *sc;
2264 ndis_miniport_block *block;
2265 bus_space_handle_t bh;
2273 block = (ndis_miniport_block *)handle;
2274 sc = device_get_softc(block->nmb_physdeviceobj->do_devext);
2277 bh = rman_get_bushandle(sc->ndis_res_am);
2278 bt = rman_get_bustag(sc->ndis_res_am);
2280 for (i = 0; i < len; i++)
2281 bus_space_write_1(bt, bh, (offset + i) * 2, src[i]);
2287 NdisInterlockedInsertHeadList(list_entry *head, list_entry *entry,
2288 ndis_spin_lock *lock)
2292 KeAcquireSpinLock(&lock->nsl_spinlock, &lock->nsl_kirql);
2293 flink = head->nle_flink;
2294 entry->nle_flink = flink;
2295 entry->nle_blink = head;
2296 flink->nle_blink = entry;
2297 head->nle_flink = entry;
2298 KeReleaseSpinLock(&lock->nsl_spinlock, lock->nsl_kirql);
2304 NdisInterlockedRemoveHeadList(list_entry *head, ndis_spin_lock *lock)
2309 KeAcquireSpinLock(&lock->nsl_spinlock, &lock->nsl_kirql);
2310 entry = head->nle_flink;
2311 flink = entry->nle_flink;
2312 head->nle_flink = flink;
2313 flink->nle_blink = head;
2314 KeReleaseSpinLock(&lock->nsl_spinlock, lock->nsl_kirql);
2320 NdisInterlockedInsertTailList(list_entry *head, list_entry *entry,
2321 ndis_spin_lock *lock)
2325 KeAcquireSpinLock(&lock->nsl_spinlock, &lock->nsl_kirql);
2326 blink = head->nle_blink;
2327 entry->nle_flink = head;
2328 entry->nle_blink = blink;
2329 blink->nle_flink = entry;
2330 head->nle_blink = entry;
2331 KeReleaseSpinLock(&lock->nsl_spinlock, lock->nsl_kirql);
2337 NdisMSynchronizeWithInterrupt(ndis_miniport_interrupt *intr, void *syncfunc,
2340 return (KeSynchronizeExecution(intr->ni_introbj, syncfunc, syncctx));
2344 NdisGetCurrentSystemTime(uint64_t *tval)
2346 ntoskrnl_time(tval);
2350 * Return the number of milliseconds since the system booted.
2353 NdisGetSystemUpTime(uint32_t *tval)
2358 *tval = ts.tv_nsec / 1000000 + ts.tv_sec * 1000;
2362 NdisInitializeString(unicode_string *dst, char *src)
2365 RtlInitAnsiString(&as, src);
2366 RtlAnsiStringToUnicodeString(dst, &as, TRUE);
2370 NdisFreeString(unicode_string *str)
2372 RtlFreeUnicodeString(str);
2376 NdisMRemoveMiniport(ndis_handle *adapter)
2378 return (NDIS_STATUS_SUCCESS);
2382 NdisInitAnsiString(ansi_string *dst, char *src)
2384 RtlInitAnsiString(dst, src);
2388 NdisInitUnicodeString(unicode_string *dst, uint16_t *src)
2390 RtlInitUnicodeString(dst, src);
2393 static void NdisMGetDeviceProperty(ndis_handle adapter,
2394 device_object **phydevobj, device_object **funcdevobj,
2395 device_object **nextdevobj, cm_resource_list *resources,
2396 cm_resource_list *transresources)
2398 ndis_miniport_block *block;
2400 block = (ndis_miniport_block *)adapter;
2402 if (phydevobj != NULL)
2403 *phydevobj = block->nmb_physdeviceobj;
2404 if (funcdevobj != NULL)
2405 *funcdevobj = block->nmb_deviceobj;
2406 if (nextdevobj != NULL)
2407 *nextdevobj = block->nmb_nextdeviceobj;
2411 NdisGetFirstBufferFromPacket(ndis_packet *packet, ndis_buffer **buf,
2412 void **firstva, uint32_t *firstlen, uint32_t *totlen)
2416 tmp = packet->np_private.npp_head;
2420 *firstlen = *totlen = 0;
2422 *firstva = MmGetMdlVirtualAddress(tmp);
2423 *firstlen = *totlen = MmGetMdlByteCount(tmp);
2424 for (tmp = tmp->mdl_next; tmp != NULL; tmp = tmp->mdl_next)
2425 *totlen += MmGetMdlByteCount(tmp);
2430 NdisGetFirstBufferFromPacketSafe(ndis_packet *packet, ndis_buffer **buf,
2431 void **firstva, uint32_t *firstlen, uint32_t *totlen, uint32_t prio)
2433 NdisGetFirstBufferFromPacket(packet, buf, firstva, firstlen, totlen);
2437 ndis_find_sym(linker_file_t lf, char *filename, char *suffix, caddr_t *sym)
2443 fullsym = ExAllocatePoolWithTag(NonPagedPool, MAXPATHLEN, 0);
2444 if (fullsym == NULL)
2447 bzero(fullsym, MAXPATHLEN);
2448 strncpy(fullsym, filename, MAXPATHLEN);
2449 if (strlen(filename) < 4) {
2450 ExFreePool(fullsym);
2454 /* If the filename has a .ko suffix, strip if off. */
2455 suf = fullsym + (strlen(filename) - 3);
2456 if (strcmp(suf, ".ko") == 0)
2459 for (i = 0; i < strlen(fullsym); i++) {
2460 if (fullsym[i] == '.')
2463 fullsym[i] = tolower(fullsym[i]);
2465 strcat(fullsym, suffix);
2466 linker_file_lookup_symbol(lf, fullsym, 0, sym);
2467 ExFreePool(fullsym);
2474 struct ndis_checkmodule {
2480 * See if a single module contains the symbols for a specified file.
2483 NdisCheckModule(linker_file_t lf, void *context)
2485 struct ndis_checkmodule *nc;
2486 caddr_t kldstart, kldend;
2488 nc = (struct ndis_checkmodule *)context;
2489 if (ndis_find_sym(lf, nc->afilename, "_start", &kldstart))
2491 if (ndis_find_sym(lf, nc->afilename, "_end", &kldend))
2494 nc->fh->nf_map = NULL;
2495 nc->fh->nf_type = NDIS_FH_TYPE_MODULE;
2496 nc->fh->nf_maplen = (kldend - kldstart) & 0xFFFFFFFF;
2500 /* can also return NDIS_STATUS_RESOURCES/NDIS_STATUS_ERROR_READING_FILE */
2502 NdisOpenFile(ndis_status *status, ndis_handle *filehandle,
2503 uint32_t *filelength, unicode_string *filename, ndis_physaddr highestaddr)
2506 char *afilename = NULL;
2507 struct thread *td = curthread;
2508 struct nlookupdata nd;
2511 struct vattr *vap = &vat;
2514 struct ndis_checkmodule nc;
2517 if (RtlUnicodeStringToAnsiString(&as, filename, TRUE)) {
2518 *status = NDIS_STATUS_RESOURCES;
2522 afilename = kstrdup(as.as_buf, M_DEVBUF);
2523 RtlFreeAnsiString(&as);
2525 fh = ExAllocatePoolWithTag(NonPagedPool, sizeof(ndis_fh), 0);
2527 kfree(afilename, M_DEVBUF);
2528 *status = NDIS_STATUS_RESOURCES;
2532 fh->nf_name = afilename;
2535 * During system bootstrap, it's impossible to load files
2536 * from the rootfs since it's not mounted yet. We therefore
2537 * offer the possibility of opening files that have been
2538 * preloaded as modules instead. Both choices will work
2539 * when kldloading a module from multiuser, but only the
2540 * module option will work during bootstrap. The module
2541 * loading option works by using the ndiscvt(8) utility
2542 * to convert the arbitrary file into a .ko using objcopy(1).
2543 * This file will contain two special symbols: filename_start
2544 * and filename_end. All we have to do is traverse the KLD
2545 * list in search of those symbols and we've found the file
2546 * data. As an added bonus, ndiscvt(8) will also generate
2547 * a normal .o file which can be linked statically with
2548 * the kernel. This means that the symbols will actual reside
2549 * in the kernel's symbol table, but that doesn't matter to
2550 * us since the kernel appears to us as just another module.
2553 nc.afilename = afilename;
2555 if (linker_file_foreach(NdisCheckModule, &nc)) {
2556 *filelength = fh->nf_maplen;
2558 *status = NDIS_STATUS_SUCCESS;
2562 if (mountlist_boot_getfirst() == NULL) {
2564 *status = NDIS_STATUS_FILE_NOT_FOUND;
2565 kprintf("NDIS: could not find file %s in linker list\n",
2567 kprintf("NDIS: and no filesystems mounted yet, "
2568 "aborting NdisOpenFile()\n");
2569 kfree(afilename, M_DEVBUF);
2573 path = ExAllocatePoolWithTag(NonPagedPool, MAXPATHLEN, 0);
2576 kfree(afilename, M_DEVBUF);
2577 *status = NDIS_STATUS_RESOURCES;
2581 ksnprintf(path, MAXPATHLEN, "%s/%s", ndis_filepath, afilename);
2583 /* Some threads don't have a current working directory. */
2585 if (td->td_proc && td->td_proc->p_fd->fd_rdir == NULL)
2586 td->td_proc->p_fd->fd_rdir = rootvnode;
2587 if (td->td_proc && td->td_proc->p_fd->fd_cdir == NULL)
2588 td->td_proc->p_fd->fd_cdir = rootvnode;
2590 error = nlookup_init(&nd, path, UIO_SYSSPACE, NLC_FOLLOW|NLC_LOCKVP);
2593 error = vn_open(&nd, NULL, FREAD, 0);
2600 nd.nl_open_vp = NULL;
2602 /* Get the file size. */
2603 VOP_GETATTR(vp, vap);
2606 fh->nf_vp = nd.nl_open_vp;
2608 fh->nf_type = NDIS_FH_TYPE_VFS;
2610 *filelength = fh->nf_maplen = vap->va_size & 0xFFFFFFFF;
2611 *status = NDIS_STATUS_SUCCESS;
2618 *status = NDIS_STATUS_FILE_NOT_FOUND;
2620 kprintf("NDIS: open file %s failed: %d\n", path, error);
2622 kfree(afilename, M_DEVBUF);
2626 NdisMapFile(ndis_status *status, void **mappedbuffer, ndis_handle filehandle)
2629 struct thread *td = curthread;
2635 if (filehandle == NULL) {
2636 *status = NDIS_STATUS_FAILURE;
2640 fh = (ndis_fh *)filehandle;
2642 if (fh->nf_vp == NULL) {
2643 *status = NDIS_STATUS_FAILURE;
2647 if (fh->nf_map != NULL) {
2648 *status = NDIS_STATUS_ALREADY_MAPPED;
2652 if (fh->nf_type == NDIS_FH_TYPE_MODULE) {
2654 if (ndis_find_sym(lf, fh->nf_name, "_start", &kldstart)) {
2655 *status = NDIS_STATUS_FAILURE;
2658 fh->nf_map = kldstart;
2659 *status = NDIS_STATUS_SUCCESS;
2660 *mappedbuffer = fh->nf_map;
2664 fh->nf_map = ExAllocatePoolWithTag(NonPagedPool, fh->nf_maplen, 0);
2666 if (fh->nf_map == NULL) {
2667 *status = NDIS_STATUS_RESOURCES;
2672 error = vn_rdwr(UIO_READ, vp, fh->nf_map, fh->nf_maplen, 0,
2673 UIO_SYSSPACE, 0, td->td_ucred, &resid);
2676 *status = NDIS_STATUS_FAILURE;
2678 *status = NDIS_STATUS_SUCCESS;
2679 *mappedbuffer = fh->nf_map;
2684 NdisUnmapFile(ndis_handle filehandle)
2687 fh = (ndis_fh *)filehandle;
2689 if (fh->nf_map == NULL)
2692 if (fh->nf_type == NDIS_FH_TYPE_VFS)
2693 ExFreePool(fh->nf_map);
2698 NdisCloseFile(ndis_handle filehandle)
2703 if (filehandle == NULL)
2706 fh = (ndis_fh *)filehandle;
2707 if (fh->nf_map != NULL) {
2708 if (fh->nf_type == NDIS_FH_TYPE_VFS)
2709 ExFreePool(fh->nf_map);
2713 if (fh->nf_vp == NULL)
2716 if (fh->nf_type == NDIS_FH_TYPE_VFS) {
2718 vn_close(vp, FREAD, NULL);
2722 kfree(fh->nf_name, M_DEVBUF);
2727 NdisSystemProcessorCount(void)
2733 NdisGetCurrentProcessorCounts(uint32_t *idle_count, uint32_t *kernel_and_user,
2736 #if 0 /* XXX swildner */
2739 pcpu = pcpu_find(curthread->td_oncpu);
2740 *index = pcpu->pc_cpuid;
2741 *idle_count = pcpu->pc_cp_time[CP_IDLE];
2742 *kernel_and_user = pcpu->pc_cp_time[CP_INTR];
2744 panic("%s", __func__);
2748 typedef void (*ndis_statusdone_handler)(ndis_handle);
2749 typedef void (*ndis_status_handler)(ndis_handle, ndis_status,
2753 NdisMIndicateStatusComplete(ndis_handle adapter)
2755 ndis_miniport_block *block;
2756 ndis_statusdone_handler statusdonefunc;
2758 block = (ndis_miniport_block *)adapter;
2759 statusdonefunc = block->nmb_statusdone_func;
2761 MSCALL1(statusdonefunc, adapter);
2765 NdisMIndicateStatus(ndis_handle adapter, ndis_status status, void *sbuf,
2768 ndis_miniport_block *block;
2769 ndis_status_handler statusfunc;
2771 block = (ndis_miniport_block *)adapter;
2772 statusfunc = block->nmb_status_func;
2774 MSCALL4(statusfunc, adapter, status, sbuf, slen);
2778 * The DDK documentation says that you should use IoQueueWorkItem()
2779 * instead of ExQueueWorkItem(). The problem is, IoQueueWorkItem()
2780 * is fundamentally incompatible with NdisScheduleWorkItem(), which
2781 * depends on the API semantics of ExQueueWorkItem(). In our world,
2782 * ExQueueWorkItem() is implemented on top of IoAllocateQueueItem()
2785 * There are actually three distinct APIs here. NdisScheduleWorkItem()
2786 * takes a pointer to an NDIS_WORK_ITEM. ExQueueWorkItem() takes a pointer
2787 * to a WORK_QUEUE_ITEM. And finally, IoQueueWorkItem() takes a pointer
2788 * to an opaque work item thingie which you get from IoAllocateWorkItem().
2789 * An NDIS_WORK_ITEM is not the same as a WORK_QUEUE_ITEM. However,
2790 * the NDIS_WORK_ITEM has some opaque storage at the end of it, and we
2791 * (ab)use this storage as a WORK_QUEUE_ITEM, which is what we submit
2792 * to ExQueueWorkItem().
2794 * Got all that? (Sheesh.)
2798 NdisScheduleWorkItem(ndis_work_item *work)
2800 work_queue_item *wqi;
2802 wqi = (work_queue_item *)work->nwi_wraprsvd;
2803 ExInitializeWorkItem(wqi,
2804 (work_item_func)work->nwi_func, work->nwi_ctx);
2805 ExQueueWorkItem(wqi, WORKQUEUE_DELAYED);
2807 return (NDIS_STATUS_SUCCESS);
2811 NdisCopyFromPacketToPacket(ndis_packet *dpkt, uint32_t doff, uint32_t reqlen,
2812 ndis_packet *spkt, uint32_t soff, uint32_t *cpylen)
2814 ndis_buffer *src, *dst;
2816 int resid, copied, len, scnt, dcnt;
2820 src = spkt->np_private.npp_head;
2821 dst = dpkt->np_private.npp_head;
2823 sptr = MmGetMdlVirtualAddress(src);
2824 dptr = MmGetMdlVirtualAddress(dst);
2825 scnt = MmGetMdlByteCount(src);
2826 dcnt = MmGetMdlByteCount(dst);
2829 if (MmGetMdlByteCount(src) > soff) {
2831 scnt = MmGetMdlByteCount(src)- soff;
2834 soff -= MmGetMdlByteCount(src);
2835 src = src->mdl_next;
2838 sptr = MmGetMdlVirtualAddress(src);
2842 if (MmGetMdlByteCount(dst) > doff) {
2844 dcnt = MmGetMdlByteCount(dst) - doff;
2847 doff -= MmGetMdlByteCount(dst);
2848 dst = dst->mdl_next;
2851 dptr = MmGetMdlVirtualAddress(dst);
2865 bcopy(sptr, dptr, len);
2874 dst = dst->mdl_next;
2877 dptr = MmGetMdlVirtualAddress(dst);
2878 dcnt = MmGetMdlByteCount(dst);
2883 src = src->mdl_next;
2886 sptr = MmGetMdlVirtualAddress(src);
2887 scnt = MmGetMdlByteCount(src);
2895 NdisCopyFromPacketToPacketSafe(ndis_packet *dpkt, uint32_t doff,
2896 uint32_t reqlen, ndis_packet *spkt, uint32_t soff, uint32_t *cpylen,
2899 NdisCopyFromPacketToPacket(dpkt, doff, reqlen, spkt, soff, cpylen);
2903 NdisIMCopySendPerPacketInfo(ndis_packet *dpkt, ndis_packet *spkt)
2905 memcpy(&dpkt->np_ext, &spkt->np_ext, sizeof(ndis_packet_extension));
2909 NdisMRegisterDevice(ndis_handle handle, unicode_string *devname,
2910 unicode_string *symname, driver_dispatch *majorfuncs[], void **devobj,
2911 ndis_handle *devhandle)
2914 device_object *dobj;
2916 status = IoCreateDevice(handle, 0, devname,
2917 FILE_DEVICE_UNKNOWN, 0, FALSE, &dobj);
2919 if (status == STATUS_SUCCESS) {
2928 NdisMDeregisterDevice(ndis_handle handle)
2930 IoDeleteDevice(handle);
2931 return (NDIS_STATUS_SUCCESS);
2935 NdisMQueryAdapterInstanceName(unicode_string *name, ndis_handle handle)
2937 ndis_miniport_block *block;
2941 block = (ndis_miniport_block *)handle;
2942 dev = block->nmb_physdeviceobj->do_devext;
2944 RtlInitAnsiString(&as, __DECONST(char *, device_get_nameunit(dev)));
2945 if (RtlAnsiStringToUnicodeString(name, &as, TRUE))
2946 return (NDIS_STATUS_RESOURCES);
2948 return (NDIS_STATUS_SUCCESS);
2952 NdisMRegisterUnloadHandler(ndis_handle handle, void *func)
2959 kprintf("NDIS dummy called...\n");
2963 * Note: a couple of entries in this table specify the
2964 * number of arguments as "foo + 1". These are routines
2965 * that accept a 64-bit argument, passed by value. On
2966 * x86, these arguments consume two longwords on the stack,
2967 * so we lie and say there's one additional argument so
2968 * that the wrapping routines will do the right thing.
2971 image_patch_table ndis_functbl[] = {
2972 IMPORT_SFUNC(NdisCopyFromPacketToPacket, 6),
2973 IMPORT_SFUNC(NdisCopyFromPacketToPacketSafe, 7),
2974 IMPORT_SFUNC(NdisIMCopySendPerPacketInfo, 2),
2975 IMPORT_SFUNC(NdisScheduleWorkItem, 1),
2976 IMPORT_SFUNC(NdisMIndicateStatusComplete, 1),
2977 IMPORT_SFUNC(NdisMIndicateStatus, 4),
2978 IMPORT_SFUNC(NdisSystemProcessorCount, 0),
2979 IMPORT_SFUNC(NdisGetCurrentProcessorCounts, 3),
2980 IMPORT_SFUNC(NdisUnchainBufferAtBack, 2),
2981 IMPORT_SFUNC(NdisGetFirstBufferFromPacket, 5),
2982 IMPORT_SFUNC(NdisGetFirstBufferFromPacketSafe, 6),
2983 IMPORT_SFUNC(NdisGetBufferPhysicalArraySize, 2),
2984 IMPORT_SFUNC(NdisMGetDeviceProperty, 6),
2985 IMPORT_SFUNC(NdisInitAnsiString, 2),
2986 IMPORT_SFUNC(NdisInitUnicodeString, 2),
2987 IMPORT_SFUNC(NdisWriteConfiguration, 4),
2988 IMPORT_SFUNC(NdisAnsiStringToUnicodeString, 2),
2989 IMPORT_SFUNC(NdisTerminateWrapper, 2),
2990 IMPORT_SFUNC(NdisOpenConfigurationKeyByName, 4),
2991 IMPORT_SFUNC(NdisOpenConfigurationKeyByIndex, 5),
2992 IMPORT_SFUNC(NdisMRemoveMiniport, 1),
2993 IMPORT_SFUNC(NdisInitializeString, 2),
2994 IMPORT_SFUNC(NdisFreeString, 1),
2995 IMPORT_SFUNC(NdisGetCurrentSystemTime, 1),
2996 IMPORT_SFUNC(NdisGetRoutineAddress, 1),
2997 IMPORT_SFUNC(NdisGetSystemUpTime, 1),
2998 IMPORT_SFUNC(NdisGetVersion, 0),
2999 IMPORT_SFUNC(NdisMSynchronizeWithInterrupt, 3),
3000 IMPORT_SFUNC(NdisMAllocateSharedMemoryAsync, 4),
3001 IMPORT_SFUNC(NdisInterlockedInsertHeadList, 3),
3002 IMPORT_SFUNC(NdisInterlockedInsertTailList, 3),
3003 IMPORT_SFUNC(NdisInterlockedRemoveHeadList, 2),
3004 IMPORT_SFUNC(NdisInitializeWrapper, 4),
3005 IMPORT_SFUNC(NdisMRegisterMiniport, 3),
3006 IMPORT_SFUNC(NdisAllocateMemoryWithTag, 3),
3007 IMPORT_SFUNC(NdisAllocateMemory, 4 + 1),
3008 IMPORT_SFUNC(NdisMSetAttributesEx, 5),
3009 IMPORT_SFUNC(NdisCloseConfiguration, 1),
3010 IMPORT_SFUNC(NdisReadConfiguration, 5),
3011 IMPORT_SFUNC(NdisOpenConfiguration, 3),
3012 IMPORT_SFUNC(NdisAcquireSpinLock, 1),
3013 IMPORT_SFUNC(NdisReleaseSpinLock, 1),
3014 IMPORT_SFUNC(NdisDprAcquireSpinLock, 1),
3015 IMPORT_SFUNC(NdisDprReleaseSpinLock, 1),
3016 IMPORT_SFUNC(NdisAllocateSpinLock, 1),
3017 IMPORT_SFUNC(NdisInitializeReadWriteLock, 1),
3018 IMPORT_SFUNC(NdisAcquireReadWriteLock, 3),
3019 IMPORT_SFUNC(NdisReleaseReadWriteLock, 2),
3020 IMPORT_SFUNC(NdisFreeSpinLock, 1),
3021 IMPORT_SFUNC(NdisFreeMemory, 3),
3022 IMPORT_SFUNC(NdisReadPciSlotInformation, 5),
3023 IMPORT_SFUNC(NdisWritePciSlotInformation, 5),
3024 IMPORT_SFUNC_MAP(NdisImmediateReadPciSlotInformation,
3025 NdisReadPciSlotInformation, 5),
3026 IMPORT_SFUNC_MAP(NdisImmediateWritePciSlotInformation,
3027 NdisWritePciSlotInformation, 5),
3028 IMPORT_CFUNC(NdisWriteErrorLogEntry, 0),
3029 IMPORT_SFUNC(NdisMStartBufferPhysicalMapping, 6),
3030 IMPORT_SFUNC(NdisMCompleteBufferPhysicalMapping, 3),
3031 IMPORT_SFUNC(NdisMInitializeTimer, 4),
3032 IMPORT_SFUNC(NdisInitializeTimer, 3),
3033 IMPORT_SFUNC(NdisSetTimer, 2),
3034 IMPORT_SFUNC(NdisMCancelTimer, 2),
3035 IMPORT_SFUNC_MAP(NdisCancelTimer, NdisMCancelTimer, 2),
3036 IMPORT_SFUNC(NdisMSetPeriodicTimer, 2),
3037 IMPORT_SFUNC(NdisMQueryAdapterResources, 4),
3038 IMPORT_SFUNC(NdisMRegisterIoPortRange, 4),
3039 IMPORT_SFUNC(NdisMDeregisterIoPortRange, 4),
3040 IMPORT_SFUNC(NdisReadNetworkAddress, 4),
3041 IMPORT_SFUNC(NdisQueryMapRegisterCount, 2),
3042 IMPORT_SFUNC(NdisMAllocateMapRegisters, 5),
3043 IMPORT_SFUNC(NdisMFreeMapRegisters, 1),
3044 IMPORT_SFUNC(NdisMAllocateSharedMemory, 5),
3045 IMPORT_SFUNC(NdisMMapIoSpace, 4 + 1),
3046 IMPORT_SFUNC(NdisMUnmapIoSpace, 3),
3047 IMPORT_SFUNC(NdisGetCacheFillSize, 0),
3048 IMPORT_SFUNC(NdisMGetDmaAlignment, 1),
3049 IMPORT_SFUNC(NdisMInitializeScatterGatherDma, 3),
3050 IMPORT_SFUNC(NdisAllocatePacketPool, 4),
3051 IMPORT_SFUNC(NdisAllocatePacketPoolEx, 5),
3052 IMPORT_SFUNC(NdisAllocatePacket, 3),
3053 IMPORT_SFUNC(NdisFreePacket, 1),
3054 IMPORT_SFUNC(NdisFreePacketPool, 1),
3055 IMPORT_SFUNC_MAP(NdisDprAllocatePacket, NdisAllocatePacket, 3),
3056 IMPORT_SFUNC_MAP(NdisDprFreePacket, NdisFreePacket, 1),
3057 IMPORT_SFUNC(NdisAllocateBufferPool, 3),
3058 IMPORT_SFUNC(NdisAllocateBuffer, 5),
3059 IMPORT_SFUNC(NdisQueryBuffer, 3),
3060 IMPORT_SFUNC(NdisQueryBufferSafe, 4),
3061 IMPORT_SFUNC(NdisBufferVirtualAddress, 1),
3062 IMPORT_SFUNC(NdisBufferVirtualAddressSafe, 2),
3063 IMPORT_SFUNC(NdisBufferLength, 1),
3064 IMPORT_SFUNC(NdisFreeBuffer, 1),
3065 IMPORT_SFUNC(NdisFreeBufferPool, 1),
3066 IMPORT_SFUNC(NdisInterlockedIncrement, 1),
3067 IMPORT_SFUNC(NdisInterlockedDecrement, 1),
3068 IMPORT_SFUNC(NdisInitializeEvent, 1),
3069 IMPORT_SFUNC(NdisSetEvent, 1),
3070 IMPORT_SFUNC(NdisResetEvent, 1),
3071 IMPORT_SFUNC(NdisWaitEvent, 2),
3072 IMPORT_SFUNC(NdisUnicodeStringToAnsiString, 2),
3073 IMPORT_SFUNC(NdisMPciAssignResources, 3),
3074 IMPORT_SFUNC(NdisMFreeSharedMemory, 5 + 1),
3075 IMPORT_SFUNC(NdisMRegisterInterrupt, 7),
3076 IMPORT_SFUNC(NdisMDeregisterInterrupt, 1),
3077 IMPORT_SFUNC(NdisMRegisterAdapterShutdownHandler, 3),
3078 IMPORT_SFUNC(NdisMDeregisterAdapterShutdownHandler, 1),
3079 IMPORT_SFUNC(NDIS_BUFFER_TO_SPAN_PAGES, 1),
3080 IMPORT_SFUNC(NdisQueryBufferOffset, 3),
3081 IMPORT_SFUNC(NdisAdjustBufferLength, 2),
3082 IMPORT_SFUNC(NdisPacketPoolUsage, 1),
3083 IMPORT_SFUNC(NdisMSleep, 1),
3084 IMPORT_SFUNC(NdisUnchainBufferAtFront, 2),
3085 IMPORT_SFUNC(NdisReadPcmciaAttributeMemory, 4),
3086 IMPORT_SFUNC(NdisWritePcmciaAttributeMemory, 4),
3087 IMPORT_SFUNC(NdisOpenFile, 5 + 1),
3088 IMPORT_SFUNC(NdisMapFile, 3),
3089 IMPORT_SFUNC(NdisUnmapFile, 1),
3090 IMPORT_SFUNC(NdisCloseFile, 1),
3091 IMPORT_SFUNC(NdisMRegisterDevice, 6),
3092 IMPORT_SFUNC(NdisMDeregisterDevice, 1),
3093 IMPORT_SFUNC(NdisMQueryAdapterInstanceName, 2),
3094 IMPORT_SFUNC(NdisMRegisterUnloadHandler, 2),
3095 IMPORT_SFUNC(ndis_timercall, 4),
3096 IMPORT_SFUNC(ndis_asyncmem_complete, 2),
3097 IMPORT_SFUNC(ndis_intr, 2),
3098 IMPORT_SFUNC(ndis_intrhand, 4),
3101 * This last entry is a catch-all for any function we haven't
3102 * implemented yet. The PE import list patching routine will
3103 * use it for any function that doesn't have an explicit match
3107 { NULL, (FUNC)dummy, NULL, 0, WINDRV_WRAP_STDCALL },
3111 { NULL, NULL, NULL }