/*- * Copyright (c) 2003 * Bill Paul . All rights reserved. * * Redistribution and use in source and binary forms, with or without * modification, are permitted provided that the following conditions * are met: * 1. Redistributions of source code must retain the above copyright * notice, this list of conditions and the following disclaimer. * 2. Redistributions in binary form must reproduce the above copyright * notice, this list of conditions and the following disclaimer in the * documentation and/or other materials provided with the distribution. * 3. All advertising materials mentioning features or use of this software * must display the following acknowledgement: * This product includes software developed by Bill Paul. * 4. Neither the name of the author nor the names of any co-contributors * may be used to endorse or promote products derived from this software * without specific prior written permission. * * THIS SOFTWARE IS PROVIDED BY Bill Paul AND CONTRIBUTORS ``AS IS'' AND * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE * ARE DISCLAIMED. IN NO EVENT SHALL Bill Paul OR THE VOICES IN HIS HEAD * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF * THE POSSIBILITY OF SUCH DAMAGE. */ #include #ifdef __FreeBSD__ __FBSDID("$FreeBSD: src/sys/compat/ndis/subr_ndis.c,v 1.67.2.7 2005/03/31 21:50:11 wpaul Exp $"); #endif #ifdef __NetBSD__ __KERNEL_RCSID(0, "$NetBSD: subr_ndis.c,v 1.8 2007/03/05 21:05:02 dogcow Exp $"); #endif /* * This file implements a translation layer between the BSD networking * infrasturcture and Windows(R) NDIS network driver modules. A Windows * NDIS driver calls into several functions in the NDIS.SYS Windows * kernel module and exports a table of functions designed to be called * by the NDIS subsystem. Using the PE loader, we can patch our own * versions of the NDIS routines into a given Windows driver module and * convince the driver that it is in fact running on Windows. * * We provide a table of all our implemented NDIS routines which is patched * into the driver object code. All our exported routines must use the * _stdcall calling convention, since that's what the Windows object code * expects. */ #ifdef __FreeBSD__ #include #endif #include #include #include #include #include #include #ifdef __NetBSD__ #include #endif #include #include #ifdef __FreeBSD__ #include #endif #include #include #ifdef __FreeBSD__ #include #include #endif #include #include #include #include #include #include #include #ifdef __FreeBSD__ #include #include #endif #include #include #include #ifdef __FreeBSD__ #include #else #include #endif #include #include #include #ifdef __FreeBSD__ #include #include #include #include #include #endif #include #include #include #include #include #include #include #include #include #include #include #include #include #ifdef __NetBSD__ #include "nbcompat.h" #endif #ifdef __NetBSD__ #define PN(name) /* printf(#name "\n"); */ #endif static char ndis_filepath[MAXPATHLEN]; extern struct nd_head ndis_devhead; #ifdef __FreeBSD__ SYSCTL_STRING(_hw, OID_AUTO, ndis_filepath, CTLFLAG_RW, ndis_filepath, MAXPATHLEN, "Path used by NdisOpenFile() to search for files"); #endif __stdcall static void NdisInitializeWrapper(ndis_handle *, driver_object *, void *, void *); __stdcall static ndis_status NdisMRegisterMiniport(ndis_handle, ndis_miniport_characteristics *, int); __stdcall static ndis_status NdisAllocateMemoryWithTag(void **, uint32_t, uint32_t); __stdcall static ndis_status NdisAllocateMemory(void **, uint32_t, uint32_t, ndis_physaddr); __stdcall static void NdisFreeMemory(void *, uint32_t, uint32_t); __stdcall static ndis_status NdisMSetAttributesEx(ndis_handle, ndis_handle, uint32_t, uint32_t, ndis_interface_type); __stdcall static void NdisOpenConfiguration(ndis_status *, ndis_handle *, ndis_handle); __stdcall static void NdisOpenConfigurationKeyByIndex(ndis_status *, ndis_handle, uint32_t, ndis_unicode_string *, ndis_handle *); __stdcall static void NdisOpenConfigurationKeyByName(ndis_status *, ndis_handle, ndis_unicode_string *, ndis_handle *); #ifdef __FreeBSD__ static ndis_status ndis_encode_parm(ndis_miniport_block *, struct sysctl_oid *, ndis_parm_type, ndis_config_parm **); static ndis_status ndis_decode_parm(ndis_miniport_block *, ndis_config_parm *, char *); #else /* __NetBSD__ */ static ndis_status ndis_encode_parm(ndis_miniport_block *, void *, ndis_parm_type, ndis_config_parm **); #endif __stdcall static void NdisReadConfiguration(ndis_status *, ndis_config_parm **, ndis_handle, ndis_unicode_string *, ndis_parm_type); __stdcall static void NdisWriteConfiguration(ndis_status *, ndis_handle, ndis_unicode_string *, ndis_config_parm *); __stdcall static void NdisCloseConfiguration(ndis_handle); __stdcall static void NdisAllocateSpinLock(ndis_spin_lock *); __stdcall static void NdisFreeSpinLock(ndis_spin_lock *); __stdcall static void NdisAcquireSpinLock(ndis_spin_lock *); __stdcall static void NdisReleaseSpinLock(ndis_spin_lock *); __stdcall static void NdisDprAcquireSpinLock(ndis_spin_lock *); __stdcall static void NdisDprReleaseSpinLock(ndis_spin_lock *); __stdcall static uint32_t NdisReadPciSlotInformation(ndis_handle, uint32_t, uint32_t, void *, uint32_t); __stdcall static uint32_t NdisWritePciSlotInformation(ndis_handle, uint32_t, uint32_t, void *, uint32_t); static void NdisWriteErrorLogEntry(ndis_handle, ndis_error_code, uint32_t, ...); static void ndis_map_cb(void *, bus_dma_segment_t *, int, int); __stdcall static void NdisMStartBufferPhysicalMapping(ndis_handle, ndis_buffer *, uint32_t, uint8_t, ndis_paddr_unit *, uint32_t *); __stdcall static void NdisMCompleteBufferPhysicalMapping(ndis_handle, ndis_buffer *, uint32_t); __stdcall static void NdisMInitializeTimer(ndis_miniport_timer *, ndis_handle, ndis_timer_function, void *); __stdcall static void NdisInitializeTimer(ndis_timer *, ndis_timer_function, void *); __stdcall static void NdisSetTimer(ndis_timer *, uint32_t); __stdcall static void NdisMSetPeriodicTimer(ndis_miniport_timer *, uint32_t); __stdcall static void NdisMCancelTimer(ndis_timer *, uint8_t *); __stdcall static void ndis_timercall(kdpc *, ndis_miniport_timer *, void *, void *); __stdcall static void NdisMQueryAdapterResources(ndis_status *, ndis_handle, ndis_resource_list *, uint32_t *); __stdcall static ndis_status NdisMRegisterIoPortRange(void **, ndis_handle, uint32_t, uint32_t); __stdcall static void NdisMDeregisterIoPortRange(ndis_handle, uint32_t, uint32_t, void *); __stdcall static void NdisReadNetworkAddress(ndis_status *, void **, uint32_t *, ndis_handle); __stdcall static ndis_status NdisQueryMapRegisterCount(uint32_t, uint32_t *); __stdcall static ndis_status NdisMAllocateMapRegisters(ndis_handle, uint32_t, uint8_t, uint32_t, uint32_t); __stdcall static void NdisMFreeMapRegisters(ndis_handle); static void ndis_mapshared_cb(void *, bus_dma_segment_t *, int, int); __stdcall static void NdisMAllocateSharedMemory(ndis_handle, uint32_t, uint8_t, void **, ndis_physaddr *); static void ndis_asyncmem_complete(void *); __stdcall static ndis_status NdisMAllocateSharedMemoryAsync(ndis_handle, uint32_t, uint8_t, void *); __stdcall static void NdisMFreeSharedMemory(ndis_handle, uint32_t, uint8_t, void *, ndis_physaddr); __stdcall static ndis_status NdisMMapIoSpace(void **, ndis_handle, ndis_physaddr, uint32_t); __stdcall static void NdisMUnmapIoSpace(ndis_handle, void *, uint32_t); __stdcall static uint32_t NdisGetCacheFillSize(void); __stdcall static uint32_t NdisMGetDmaAlignment(ndis_handle); __stdcall static ndis_status NdisMInitializeScatterGatherDma(ndis_handle, uint8_t, uint32_t); __stdcall static void NdisUnchainBufferAtFront(ndis_packet *, ndis_buffer **); __stdcall static void NdisUnchainBufferAtBack(ndis_packet *, ndis_buffer **); __stdcall static void NdisAllocateBufferPool(ndis_status *, ndis_handle *, uint32_t); __stdcall static void NdisFreeBufferPool(ndis_handle); __stdcall static void NdisAllocateBuffer(ndis_status *, ndis_buffer **, ndis_handle, void *, uint32_t); __stdcall static void NdisFreeBuffer(ndis_buffer *); __stdcall static uint32_t NdisBufferLength(ndis_buffer *); __stdcall static void NdisQueryBuffer(ndis_buffer *, void **, uint32_t *); __stdcall static void NdisQueryBufferSafe(ndis_buffer *, void **, uint32_t *, uint32_t); __stdcall static void *NdisBufferVirtualAddress(ndis_buffer *); __stdcall static void *NdisBufferVirtualAddressSafe(ndis_buffer *, uint32_t); __stdcall static void NdisAdjustBufferLength(ndis_buffer *, int); __stdcall static uint32_t NdisInterlockedIncrement(uint32_t *); __stdcall static uint32_t NdisInterlockedDecrement(uint32_t *); __stdcall static void NdisInitializeEvent(ndis_event *); __stdcall static void NdisSetEvent(ndis_event *); __stdcall static void NdisResetEvent(ndis_event *); __stdcall static uint8_t NdisWaitEvent(ndis_event *, uint32_t); __stdcall static ndis_status NdisUnicodeStringToAnsiString(ndis_ansi_string *, ndis_unicode_string *); __stdcall static ndis_status NdisAnsiStringToUnicodeString(ndis_unicode_string *, ndis_ansi_string *); __stdcall static ndis_status NdisMPciAssignResources(ndis_handle, uint32_t, ndis_resource_list **); __stdcall static ndis_status NdisMRegisterInterrupt(ndis_miniport_interrupt *, ndis_handle, uint32_t, uint32_t, uint8_t, uint8_t, ndis_interrupt_mode); __stdcall static void NdisMDeregisterInterrupt(ndis_miniport_interrupt *); __stdcall static void NdisMRegisterAdapterShutdownHandler(ndis_handle, void *, ndis_shutdown_handler); __stdcall static void NdisMDeregisterAdapterShutdownHandler(ndis_handle); __stdcall static uint32_t NDIS_BUFFER_TO_SPAN_PAGES(ndis_buffer *); __stdcall static void NdisGetBufferPhysicalArraySize(ndis_buffer *, uint32_t *); __stdcall static void NdisQueryBufferOffset(ndis_buffer *, uint32_t *, uint32_t *); __stdcall static void NdisMSleep(uint32_t); __stdcall static uint32_t NdisReadPcmciaAttributeMemory(ndis_handle, uint32_t, void *, uint32_t); __stdcall static uint32_t NdisWritePcmciaAttributeMemory(ndis_handle, uint32_t, void *, uint32_t); __stdcall static list_entry *NdisInterlockedInsertHeadList(list_entry *, list_entry *, ndis_spin_lock *); __stdcall static list_entry *NdisInterlockedRemoveHeadList(list_entry *, ndis_spin_lock *); __stdcall static list_entry *NdisInterlockedInsertTailList(list_entry *, list_entry *, ndis_spin_lock *); __stdcall static uint8_t NdisMSynchronizeWithInterrupt(ndis_miniport_interrupt *, void *, void *); __stdcall static void NdisGetCurrentSystemTime(uint64_t *); __stdcall static void NdisGetSystemUpTime(uint32_t *); __stdcall static void NdisInitializeString(ndis_unicode_string *, char *); __stdcall static void NdisInitAnsiString(ndis_ansi_string *, char *); __stdcall static void NdisInitUnicodeString(ndis_unicode_string *, uint16_t *); __stdcall static void NdisFreeString(ndis_unicode_string *); __stdcall static ndis_status NdisMRemoveMiniport(ndis_handle *); __stdcall static void NdisTerminateWrapper(ndis_handle, void *); __stdcall static void NdisMGetDeviceProperty(ndis_handle, device_object **, device_object **, device_object **, cm_resource_list *, cm_resource_list *); __stdcall static void NdisGetFirstBufferFromPacket(ndis_packet *, ndis_buffer **, void **, uint32_t *, uint32_t *); __stdcall static void NdisGetFirstBufferFromPacketSafe(ndis_packet *, ndis_buffer **, void **, uint32_t *, uint32_t *, uint32_t); #ifdef __FreeBSD__ static int ndis_find_sym(linker_file_t, char *, char *, void **); __stdcall static void NdisOpenFile(ndis_status *, ndis_handle *, uint32_t *, ndis_unicode_string *, ndis_physaddr); __stdcall static void NdisMapFile(ndis_status *, void **, ndis_handle); __stdcall static void NdisUnmapFile(ndis_handle); __stdcall static void NdisCloseFile(ndis_handle); #endif __stdcall static uint8_t NdisSystemProcessorCount(void); __stdcall static void NdisMIndicateStatusComplete(ndis_handle); __stdcall static void NdisMIndicateStatus(ndis_handle, ndis_status, void *, uint32_t); static void ndis_workfunc(void *); static funcptr ndis_findwrap(funcptr); __stdcall static ndis_status NdisScheduleWorkItem(ndis_work_item *); __stdcall static void NdisCopyFromPacketToPacket(ndis_packet *, uint32_t, uint32_t, ndis_packet *, uint32_t, uint32_t *); __stdcall static void NdisCopyFromPacketToPacketSafe(ndis_packet *, uint32_t, uint32_t, ndis_packet *, uint32_t, uint32_t *, uint32_t); __stdcall static ndis_status NdisMRegisterDevice(ndis_handle, ndis_unicode_string *, ndis_unicode_string *, driver_dispatch **, void **, ndis_handle *); __stdcall static ndis_status NdisMDeregisterDevice(ndis_handle); __stdcall static ndis_status NdisMQueryAdapterInstanceName(ndis_unicode_string *, ndis_handle); __stdcall static void NdisMRegisterUnloadHandler(ndis_handle, void *); __stdcall static void dummy(void); /* * Some really old drivers do not properly check the return value * from NdisAllocatePacket() and NdisAllocateBuffer() and will * sometimes allocate few more buffers/packets that they originally * requested when they created the pool. To prevent this from being * a problem, we allocate a few extra buffers/packets beyond what * the driver asks for. This #define controls how many. */ #define NDIS_POOL_EXTRA 16 int ndis_libinit() { image_patch_table *patch; strcpy(ndis_filepath, "/compat/ndis"); patch = ndis_functbl; while (patch->ipt_func != NULL) { windrv_wrap((funcptr)patch->ipt_func, (funcptr *)&patch->ipt_wrap); patch++; } return(0); } int ndis_libfini() { image_patch_table *patch; patch = ndis_functbl; while (patch->ipt_func != NULL) { windrv_unwrap(patch->ipt_wrap); patch++; } return(0); } static funcptr ndis_findwrap(func) funcptr func; { image_patch_table *patch; patch = ndis_functbl; while (patch->ipt_func != NULL) { if ((funcptr)patch->ipt_func == func) return((funcptr)patch->ipt_wrap); patch++; } return(NULL); } /* * NDIS deals with strings in unicode format, so we have * do deal with them that way too. For now, we only handle * conversion between unicode and ASCII since that's all * that device drivers care about. */ int ndis_ascii_to_unicode(ascii, unicode) const char *ascii; uint16_t **unicode; { uint16_t *ustr; int i; if (*unicode == NULL) *unicode = malloc(strlen(ascii) * 2, M_DEVBUF, M_NOWAIT); if (*unicode == NULL) return(ENOMEM); ustr = *unicode; for (i = 0; i < strlen(ascii); i++) { *ustr = (uint16_t)ascii[i]; ustr++; } return(0); } int ndis_unicode_to_ascii(unicode, ulen, ascii) uint16_t *unicode; int ulen; char **ascii; { uint8_t *astr; int i; if (*ascii == NULL) *ascii = malloc((ulen / 2) + 1, M_DEVBUF, M_NOWAIT|M_ZERO); if (*ascii == NULL) return(ENOMEM); astr = *ascii; for (i = 0; i < ulen / 2; i++) { *astr = (uint8_t)unicode[i]; astr++; } return(0); } /* * This routine does the messy Windows Driver Model device attachment * stuff on behalf of NDIS drivers. We register our own AddDevice * routine here */ __stdcall static void NdisInitializeWrapper( ndis_handle *wrapper, driver_object *drv, void *path, void *unused) { PN(NdisInitializeWrapper) /* * As of yet, I haven't come up with a compelling * reason to define a private NDIS wrapper structure, * so we use a pointer to the driver object as the * wrapper handle. The driver object has the miniport * characteristics struct for this driver hung off it * via IoAllocateDriverObjectExtension(), and that's * really all the private data we need. */ *wrapper = drv; /* * If this was really Windows, we'd be registering dispatch * routines for the NDIS miniport module here, but we're * not Windows so all we really need to do is set up an * AddDevice function that'll be invoked when a new device * instance appears. */ drv->dro_driverext->dre_adddevicefunc = NdisAddDevice; return; } __stdcall static void NdisTerminateWrapper( ndis_handle handle, void *syspec) { /* Nothing to see here, move along. */ return; } __stdcall static ndis_status NdisMRegisterMiniport(handle, characteristics, len) ndis_handle handle; ndis_miniport_characteristics *characteristics; int len; { ndis_miniport_characteristics *pch = NULL; void *ch = NULL; driver_object *drv; PN(NdisMRegisterMiniport); drv = (driver_object *)handle; /* * We need to save the NDIS miniport characteristics * somewhere. This data is per-driver, not per-device * (all devices handled by the same driver have the * same characteristics) so we hook it onto the driver * object using IoAllocateDriverObjectExtension(). * The extra extension info is automagically deleted when * the driver is unloaded (see windrv_unload()). */ if (IoAllocateDriverObjectExtension(drv, (void *)1, sizeof(ndis_miniport_characteristics), /*(void **)*/&ch) != STATUS_SUCCESS) return(NDIS_STATUS_RESOURCES); pch = (ndis_miniport_characteristics *)ch; bzero((char *)pch, sizeof(ndis_miniport_characteristics)); #ifdef __FreeBSD__ bcopy((char *)characteristics, (char *)pch, len); #else /* __NetBSD__ */ memcpy(pch, characteristics, len); #endif if (pch->nmc_version_major < 5 || pch->nmc_version_minor < 1) { pch->nmc_shutdown_handler = NULL; pch->nmc_canceltxpkts_handler = NULL; pch->nmc_pnpevent_handler = NULL; } return(NDIS_STATUS_SUCCESS); } __stdcall static ndis_status NdisAllocateMemoryWithTag(vaddr, len, tag) void **vaddr; uint32_t len; uint32_t tag; { void *mem; mem = ExAllocatePoolWithTag(NonPagedPool, len, tag); if (mem == NULL) return(NDIS_STATUS_RESOURCES); *vaddr = mem; return(NDIS_STATUS_SUCCESS); } __stdcall static ndis_status NdisAllocateMemory( void **vaddr, uint32_t len, uint32_t flags, ndis_physaddr highaddr) { void *mem; mem = ExAllocatePoolWithTag(NonPagedPool, len, 0); if (mem == NULL) return(NDIS_STATUS_RESOURCES); *vaddr = mem; return(NDIS_STATUS_SUCCESS); } __stdcall static void NdisFreeMemory( void *vaddr, uint32_t len, uint32_t flags) { if (len == 0) return; ExFreePool(vaddr); return; } __stdcall static ndis_status NdisMSetAttributesEx( ndis_handle adapter_handle, ndis_handle adapter_ctx, uint32_t hangsecs, uint32_t flags, ndis_interface_type iftype) { ndis_miniport_block *block; PN(NdisMSetAttributesEx) /* * Save the adapter context, we need it for calling * the driver's internal functions. */ block = (ndis_miniport_block *)adapter_handle; block->nmb_miniportadapterctx = adapter_ctx; block->nmb_checkforhangsecs = hangsecs; block->nmb_flags = flags; return(NDIS_STATUS_SUCCESS); } __stdcall static void NdisOpenConfiguration(status, cfg, wrapctx) ndis_status *status; ndis_handle *cfg; ndis_handle wrapctx; { PN(NdisOpenConfiguration) *cfg = wrapctx; *status = NDIS_STATUS_SUCCESS; return; } __stdcall static void NdisOpenConfigurationKeyByName( ndis_status *status, ndis_handle cfg, ndis_unicode_string *subkey, ndis_handle *subhandle) { PN(NdisOpenConfiguration) *subhandle = cfg; *status = NDIS_STATUS_SUCCESS; return; } __stdcall static void NdisOpenConfigurationKeyByIndex( ndis_status *status, ndis_handle cfg, uint32_t idx, ndis_unicode_string *subkey, ndis_handle *subhandle) { *status = NDIS_STATUS_FAILURE; return; } static ndis_status #ifdef __FreeBSD__ ndis_encode_parm(block, oid, type, parm) ndis_miniport_block *block; struct sysctl_oid *oid; ndis_parm_type type; ndis_config_parm **parm; #else /* __NetBSD__ */ ndis_encode_parm(block, data, type, parm) ndis_miniport_block *block; void *data; ndis_parm_type type; ndis_config_parm **parm; #endif { uint16_t *unicode; ndis_unicode_string *ustr; int base = 0; PN(ndis_encode_parm) unicode = (uint16_t *)&block->nmb_dummybuf; switch(type) { case ndis_parm_string: #ifdef __FreeBSD__ ndis_ascii_to_unicode((char *)oid->oid_arg1, &unicode); #else /* __NetBSD__ */ ndis_ascii_to_unicode((char *)data, &unicode); #endif (*parm)->ncp_type = ndis_parm_string; ustr = &(*parm)->ncp_parmdata.ncp_stringdata; #ifdef __FreeBSD__ ustr->us_len = strlen((char *)oid->oid_arg1) * 2; #else /* __NetBSD__ */ ustr->us_len = strlen((char *)data) * 2; #endif ustr->us_buf = unicode; break; case ndis_parm_int: #ifdef __FreeBSD__ if (strncmp((char *)oid->oid_arg1, "0x", 2) == 0) { #else /* __NetBSD__ */ if (strncmp((char *)data, "0x", 2) == 0) { #endif base = 16; } else base = 10; (*parm)->ncp_type = ndis_parm_int; (*parm)->ncp_parmdata.ncp_intdata = #ifdef __FreeBSD__ strtol((char *)oid->oid_arg1, NULL, base); #else /* __NetBSD__ */ /* TODO: NetBSD dosen't seem to have a strtol in sys/lib/libkern I hope strtoul is OK */ strtoul((char *)data, NULL, base); #endif break; case ndis_parm_hexint: #ifdef __FreeBSD__ if (strncmp((char *)oid->oid_arg1, "0x", 2) == 0) { #else /* __NetBSD__ */ if (strncmp((char *)data, "0x", 2) == 0) { #endif base = 16; } else base = 10; (*parm)->ncp_type = ndis_parm_hexint; (*parm)->ncp_parmdata.ncp_intdata = #ifdef __FreeBSD__ strtoul((char *)oid->oid_arg1, NULL, base); #else /* __NetBSD__ */ strtoul((char *)data, NULL, base); #endif break; default: return(NDIS_STATUS_FAILURE); break; } return(NDIS_STATUS_SUCCESS); } int ndis_strcasecmp(s1, s2) const char *s1; const char *s2; { char a, b; /* * In the kernel, toupper() is a macro. Have to be careful * not to use pointer arithmetic when passing it arguments. */ while(1) { a = *s1; b = *s2++; if (toupper(a) != toupper(b)) break; if (*s1++ == '\0') return(0); } return (*(const unsigned char *)s1 - *(const unsigned char *)(s2 - 1)); } int ndis_strncasecmp(s1, s2, n) const char *s1; const char *s2; size_t n; { char a, b; if (n != 0) { do { a = *s1; b = *s2++; if (toupper(a) != toupper(b)) return (*(const unsigned char *)s1 - *(const unsigned char *)(s2 - 1)); if (*s1++ == '\0') break; } while (--n != 0); } return(0); } __stdcall static void NdisReadConfiguration(status, parm, cfg, key, type) ndis_status *status; ndis_config_parm **parm; ndis_handle cfg; ndis_unicode_string *key; ndis_parm_type type; { char *keystr = NULL; uint16_t *unicode; ndis_miniport_block *block; struct ndis_softc *sc; #ifdef __FreeBSD__ struct sysctl_oid *oidp; struct sysctl_ctx_entry *e; #endif #ifdef __NetBSD__ const struct sysctlnode *pnode = NULL; struct sysctlnode *ndiscld = NULL; int error; int numcld; int mib[1]; int i; char new_keystr[MAX_SYSCTL_LEN+1]; char *old_keystr; #endif block = (ndis_miniport_block *)cfg; #ifdef __FreeBSD__ sc = device_get_softc(block->nmb_physdeviceobj->do_devext); #else /* __NetBSD__ */ sc = block->nmb_physdeviceobj->pdo_sc; #endif PN(NdisReadConfiguration) if (key->us_len == 0 || key->us_buf == NULL) { *status = NDIS_STATUS_FAILURE; return; } ndis_unicode_to_ascii(key->us_buf, key->us_len, &keystr); *parm = &block->nmb_replyparm; bzero((char *)&block->nmb_replyparm, sizeof(ndis_config_parm)); unicode = (uint16_t *)&block->nmb_dummybuf; #ifdef __NetBSD__ if(strlen(keystr) + strlen("ndis_") > MAX_SYSCTL_LEN) { panic("sysctl name too long: %s\n", keystr); } strcpy(new_keystr, "ndis_"); strcpy(new_keystr + strlen("ndis_"), keystr); old_keystr = keystr; keystr = new_keystr; #endif /* * See if registry key is already in a list of known keys * included with the driver. */ #ifdef __FreeBSD__ #if __FreeBSD_version < 502113 TAILQ_FOREACH(e, &sc->ndis_ctx, link) { #else TAILQ_FOREACH(e, device_get_sysctl_ctx(sc->ndis_dev), link) { #endif oidp = e->entry; #ifdef __FreeBSD__ if (ndis_strcasecmp(oidp->oid_name, keystr) == 0) { #else /* __NetBSD__ */ if (ndis_strcasecmp(oidp->ctl_name, keystr) == 0) { #endif if (strcmp((char *)oidp->oid_arg1, "UNSET") == 0) { free(keystr, M_DEVBUF); *status = NDIS_STATUS_FAILURE; return; } *status = ndis_encode_parm(block, oidp, type, parm); free(keystr, M_DEVBUF); return; } } #else /* __NetBSD__ */ mib[0] = sc->ndis_sysctl_mib; sysctl_lock(curlwp, NULL, 0); error = sysctl_locate(curlwp, &mib[0], 1, &pnode, NULL); numcld = pnode->sysctl_csize; ndiscld = pnode->sysctl_child; /* find the node whose name is keystr */ for(i=0; i < numcld; i++) { if(strcmp(keystr, ndiscld->sysctl_name) == 0) { /* Found it */ break; } ndiscld++; } sysctl_unlock(curlwp); if(i < numcld) { /* Found it */ if(strcmp(ndiscld->sysctl_data, "UNSET") == 0) { free(keystr, M_DEVBUF); *status = NDIS_STATUS_FAILURE; return; } *status = ndis_encode_parm(block, ndiscld->sysctl_data, type, parm); free(keystr, M_DEVBUF); return; } #endif #ifdef __NetBSD__ free(keystr, M_DEVBUF); keystr = old_keystr; #endif /* * If the key didn't match, add it to the list of dynamically * created ones. Sometimes, drivers refer to registry keys * that aren't documented in their .INF files. These keys * are supposed to be created by some sort of utility or * control panel snap-in that comes with the driver software. * Sometimes it's useful to be able to manipulate these. * If the driver requests the key in the form of a string, * make its default value an empty string, otherwise default * it to "0". */ if (type == ndis_parm_int || type == ndis_parm_hexint) ndis_add_sysctl(sc, keystr, "(dynamic integer key)", "UNSET", CTLFLAG_RW); else ndis_add_sysctl(sc, keystr, "(dynamic string key)", "UNSET", CTLFLAG_RW); free(keystr, M_DEVBUF); *status = NDIS_STATUS_FAILURE; return; } #ifdef __FreeBSD__ static ndis_status ndis_decode_parm(block, parm, val) ndis_miniport_block *block; ndis_config_parm *parm; char *val; { ndis_unicode_string *ustr; char *astr = NULL; PN(ndis_decode_parm) switch(parm->ncp_type) { case ndis_parm_string: ustr = &parm->ncp_parmdata.ncp_stringdata; ndis_unicode_to_ascii(ustr->us_buf, ustr->us_len, &astr); bcopy(astr, val, 254); free(astr, M_DEVBUF); break; case ndis_parm_int: sprintf(val, "%d", parm->ncp_parmdata.ncp_intdata); break; case ndis_parm_hexint: sprintf(val, "%xu", parm->ncp_parmdata.ncp_intdata); break; default: return(NDIS_STATUS_FAILURE); break; } return(NDIS_STATUS_SUCCESS); } #endif __stdcall static void NdisWriteConfiguration( ndis_status *status, ndis_handle cfg, ndis_unicode_string *key, ndis_config_parm *parm) { #ifdef __FreeBSD__ char *keystr = NULL; ndis_miniport_block *block; struct ndis_softc *sc; struct sysctl_oid *oidp; struct sysctl_ctx_entry *e; char val[256]; block = (ndis_miniport_block *)cfg; PN(NdisWriteConfiguration) #ifdef __FreeBSD__ sc = device_get_softc(block->nmb_physdeviceobj->do_devext); #else /* __NetBSD__ */ sc = (struct ndis_softc *)block->nmb_physdeviceobj->pdo_sc; #endif ndis_unicode_to_ascii(key->us_buf, key->us_len, &keystr); /* Decode the parameter into a string. */ bzero(val, sizeof(val)); *status = ndis_decode_parm(block, parm, val); if (*status != NDIS_STATUS_SUCCESS) { free(keystr, M_DEVBUF); return; } /* See if the key already exists. */ #if __FreeBSD_version < 502113 || !defined(__FreeBSD__) TAILQ_FOREACH(e, &sc->ndis_ctx, link) { #else TAILQ_FOREACH(e, device_get_sysctl_ctx(sc->ndis_dev), link) { #endif oidp = e->entry; if (ndis_strcasecmp(oidp->oid_name, keystr) == 0) { /* Found it, set the value. */ strcpy((char *)oidp->oid_arg1, val); free(keystr, M_DEVBUF); return; } } /* Not found, add a new key with the specified value. */ ndis_add_sysctl(sc, keystr, "(dynamically set key)", val, CTLFLAG_RW); free(keystr, M_DEVBUF); *status = NDIS_STATUS_SUCCESS; return; #else /* __FreeBSD__ */ *status = NDIS_STATUS_SUCCESS; return; #endif } __stdcall static void NdisCloseConfiguration(ndis_handle cfg) { return; } /* * Initialize a Windows spinlock. */ __stdcall static void NdisAllocateSpinLock(lock) ndis_spin_lock *lock; { KeInitializeSpinLock(&lock->nsl_spinlock); lock->nsl_kirql = 0; return; } /* * Destroy a Windows spinlock. This is a no-op for now. There are two reasons * for this. One is that it's sort of superfluous: we don't have to do anything * special to deallocate the spinlock. The other is that there are some buggy * drivers which call NdisFreeSpinLock() _after_ calling NdisFreeMemory() on * the block of memory in which the spinlock resides. (Yes, ADMtek, I'm * talking to you.) */ __stdcall static void NdisFreeSpinLock(ndis_spin_lock *lock) { #ifdef notdef KeInitializeSpinLock(&lock->nsl_spinlock); lock->nsl_kirql = 0; #endif return; } /* * Acquire a spinlock from IRQL <= DISPATCH_LEVEL. */ __stdcall static void NdisAcquireSpinLock(lock) ndis_spin_lock *lock; { KeAcquireSpinLock(&lock->nsl_spinlock, &lock->nsl_kirql); return; } /* * Release a spinlock from IRQL == DISPATCH_LEVEL. */ __stdcall static void NdisReleaseSpinLock(lock) ndis_spin_lock *lock; { KeReleaseSpinLock(&lock->nsl_spinlock, lock->nsl_kirql); return; } /* * Acquire a spinlock when already running at IRQL == DISPATCH_LEVEL. */ __stdcall static void NdisDprAcquireSpinLock(lock) ndis_spin_lock *lock; { KeAcquireSpinLockAtDpcLevel(&lock->nsl_spinlock); return; } /* * Release a spinlock without leaving IRQL == DISPATCH_LEVEL. */ __stdcall static void NdisDprReleaseSpinLock(lock) ndis_spin_lock *lock; { KeReleaseSpinLockFromDpcLevel(&lock->nsl_spinlock); return; } __stdcall static uint32_t NdisReadPciSlotInformation( ndis_handle adapter, uint32_t slot, uint32_t offset, void *buf, uint32_t len) { ndis_miniport_block *block; int i; #ifdef __FreeBSD__ char *dest; #else pcireg_t *dest; #endif /* PN(NdisReadPciSlotInformation) */ device_t dev; struct ndis_softc *sc; block = (ndis_miniport_block *)adapter; dest = buf; if (block == NULL) return(0); dev = (device_t)block->nmb_physdeviceobj->do_devext; #ifdef __FreeBSD__ sc = device_get_softc(dev); #else /* __NetBSD__ */ sc = (struct ndis_softc *)block->nmb_physdeviceobj->pdo_sc; #endif /* * I have a test system consisting of a Sun w2100z * dual 2.4Ghz Opteron machine and an Atheros 802.11a/b/g * "Aries" miniPCI NIC. (The NIC is installed in the * machine using a miniPCI to PCI bus adapter card.) * When running in SMP mode, I found that * performing a large number of consecutive calls to * NdisReadPciSlotInformation() would result in a * sudden system reset (or in some cases a freeze). * My suspicion is that the multiple reads are somehow * triggering a fatal PCI bus error that leads to a * machine check. The 1us delay in the loop below * seems to prevent this problem. */ #ifdef __FreeBSD__ for (i = 0; i < len; i++) { #else /* __NetBSD__ */ for (i = 0; i < len/4; i += 4) { #endif DELAY(1); #ifdef __FreeBSD__ dest[i] = pci_read_config(dev, i + offset, 1); #else dest[i/4] = pci_conf_read(sc->ndis_res_pc,sc->ndis_res_pctag, (i + offset)); #endif } return(len); } __stdcall static uint32_t NdisWritePciSlotInformation( ndis_handle adapter, uint32_t slot, uint32_t offset, void *buf, uint32_t len) { ndis_miniport_block *block; int i; #ifdef __FreeBSD__ char *dest; #else pcireg_t *dest; #endif device_t dev; /* PN(NdisWritePciSlotInformation) */ block = (ndis_miniport_block *)adapter; dest = buf; struct ndis_softc *sc; if (block == NULL) return(0); dev = block->nmb_physdeviceobj->do_devext; #ifdef __FreeBSD__ sc = device_get_softc(dev); #else /* __NetBSD__ */ sc = (struct ndis_softc *)block->nmb_physdeviceobj->pdo_sc; #endif #ifdef __FreeBSD__ for (i = 0; i < len; i++) { #else /* __NetBSD__ */ for (i = 0; i < len/4; i++) { #endif DELAY(1); #ifdef __FreeBSD__ pci_write_config(dev, i + offset, dest[i], 1); #else pci_conf_write(sc->ndis_res_pc,sc->ndis_res_pctag, (i + offset), dest[i/4]); #endif } return(len); } /* * The errorlog routine uses a variable argument list, so we * have to declare it this way. */ #define ERRMSGLEN 512 static void NdisWriteErrorLogEntry(ndis_handle adapter, ndis_error_code code, uint32_t numerrors, ...) { ndis_miniport_block *block; va_list ap; int i, error; char *str = NULL, *ustr = NULL; uint16_t flags; char msgbuf[ERRMSGLEN]; device_t dev; driver_object *drv; PN(NdisWriteErrorLogEntry) block = (ndis_miniport_block *)adapter; dev = block->nmb_physdeviceobj->do_devext; drv = block->nmb_physdeviceobj->do_drvobj; error = pe_get_message((vm_offset_t)drv->dro_driverstart, code, &str, &i, &flags); if (error == 0 && flags & MESSAGE_RESOURCE_UNICODE) { ustr = msgbuf; ndis_unicode_to_ascii((uint16_t *)str, ((i / 2)) > (ERRMSGLEN - 1) ? ERRMSGLEN : i, &ustr); str = ustr; } printf ("%s: NDIS ERROR: %x (%s)\n", dev->dv_xname, code, str == NULL ? "unknown error" : str); printf ("%s: NDIS NUMERRORS: %x\n", dev->dv_xname, numerrors); va_start(ap, numerrors); for (i = 0; i < numerrors; i++) printf ("%s: argptr: %p\n", dev->dv_xname, va_arg(ap, void *)); va_end(ap); return; } static void ndis_map_cb(arg, segs, nseg, error) void *arg; bus_dma_segment_t *segs; int nseg; int error; { struct ndis_map_arg *ctx; int i; PN(ndis_map_cb) if (error) return; ctx = arg; for (i = 0; i < nseg; i++) { ctx->nma_fraglist[i].npu_physaddr.np_quad = segs[i].ds_addr; ctx->nma_fraglist[i].npu_len = segs[i].ds_len; } ctx->nma_cnt = nseg; return; } __stdcall static void NdisMStartBufferPhysicalMapping(adapter, buf, mapreg, writedev, addrarray, arraysize) ndis_handle adapter; ndis_buffer *buf; uint32_t mapreg; uint8_t writedev; ndis_paddr_unit *addrarray; uint32_t *arraysize; { ndis_miniport_block *block; struct ndis_softc *sc; struct ndis_map_arg nma; bus_dmamap_t map; int error; PN(NdisMStartBufferPhysicalMapping) if (adapter == NULL) return; block = (ndis_miniport_block *)adapter; #ifdef __FreeBSD__ sc = device_get_softc(block->nmb_physdeviceobj->do_devext); #else /* __NetBSD__ */ sc = (struct ndis_softc *)block->nmb_physdeviceobj->pdo_sc; #endif if (mapreg > sc->ndis_mmapcnt) return; map = sc->ndis_mmaps[mapreg]; nma.nma_fraglist = addrarray; #ifdef __FreeBSD__ error = bus_dmamap_load(sc->ndis_mtag, map, MmGetMdlVirtualAddress(buf), MmGetMdlByteCount(buf), ndis_map_cb, (void *)&nma, BUS_DMA_NOWAIT); #else error = bus_dmamap_load(sc->ndis_mtag, map, MmGetMdlVirtualAddress(buf), MmGetMdlByteCount(buf), NULL /* kernel space */, BUS_DMA_NOWAIT); /* callback function called "by hand" */ ndis_map_cb((void *)&nma, map->dm_segs, map->dm_nsegs, error); #endif if (error) return; #ifdef __FreeBSD__ bus_dmamap_sync(sc->ndis_mtag, map, writedev ? BUS_DMASYNC_PREWRITE : BUS_DMASYNC_PREREAD); #else bus_dmamap_sync(sc->ndis_mtag, map, 0, map->dm_mapsize, writedev ? BUS_DMASYNC_PREWRITE : BUS_DMASYNC_PREREAD); #endif *arraysize = nma.nma_cnt; return; } __stdcall static void NdisMCompleteBufferPhysicalMapping( ndis_handle adapter, ndis_buffer *buf, uint32_t mapreg) { ndis_miniport_block *block; struct ndis_softc *sc; bus_dmamap_t map; PN(NdisMCompleteBufferPhysicalMapping) if (adapter == NULL) return; block = (ndis_miniport_block *)adapter; #ifdef __FreeBSD__ sc = device_get_softc(block->nmb_physdeviceobj->do_devext); #else /* __NetBSD__ */ sc = (struct ndis_softc *)block->nmb_physdeviceobj->pdo_sc; #endif if (mapreg > sc->ndis_mmapcnt) return; map = sc->ndis_mmaps[mapreg]; #ifdef __FreeBSD__ bus_dmamap_sync(sc->ndis_mtag, map, BUS_DMASYNC_POSTREAD|BUS_DMASYNC_POSTWRITE); #else bus_dmamap_sync(sc->ndis_mtag, map, 0, map->dm_mapsize, BUS_DMASYNC_POSTREAD|BUS_DMASYNC_POSTWRITE); #endif bus_dmamap_unload(sc->ndis_mtag, map); return; } /* * This is an older (?) timer init routine which doesn't * accept a miniport context handle. Serialized miniports should * never call this function. */ __stdcall static void NdisInitializeTimer(timer, func, ctx) ndis_timer *timer; ndis_timer_function func; void *ctx; { KeInitializeTimer(&timer->nt_ktimer); KeInitializeDpc(&timer->nt_kdpc, func, ctx); return; } __stdcall static void ndis_timercall(dpc, timer, sysarg1, sysarg2) kdpc *dpc; ndis_miniport_timer *timer; void *sysarg1; void *sysarg2; { //PN(ndis_timercall) /* * Since we're called as a DPC, we should be running * at DISPATCH_LEVEL here. This means to acquire the * spinlock, we can use KeAcquireSpinLockAtDpcLevel() * rather than KeAcquireSpinLock(). */ if (NDIS_SERIALIZED(timer->nmt_block)) KeAcquireSpinLockAtDpcLevel(&timer->nmt_block->nmb_lock); MSCALL4(timer->nmt_timerfunc, dpc, timer->nmt_timerctx, sysarg1, sysarg2); if (NDIS_SERIALIZED(timer->nmt_block)) KeReleaseSpinLockFromDpcLevel(&timer->nmt_block->nmb_lock); return; } /* * For a long time I wondered why there were two NDIS timer initialization * routines, and why this one needed an NDIS_MINIPORT_TIMER and the * MiniportAdapterHandle. The NDIS_MINIPORT_TIMER has its own callout * function and context pointers separate from those in the DPC, which * allows for another level of indirection: when the timer fires, we * can have our own timer function invoked, and from there we can call * the driver's function. But why go to all that trouble? Then it hit * me: for serialized miniports, the timer callouts are not re-entrant. * By trapping the callouts and having access to the MiniportAdapterHandle, * we can protect the driver callouts by acquiring the NDIS serialization * lock. This is essential for allowing serialized miniports to work * correctly on SMP systems. On UP hosts, setting IRQL to DISPATCH_LEVEL * is enough to prevent other threads from pre-empting you, but with * SMP, you must acquire a lock as well, otherwise the other CPU is * free to clobber you. */ /* Just to test out how much memory is wasted*/ int ndis_num_timers_allocated = 0; __stdcall static void NdisMInitializeTimer(timer, handle, func, ctx) ndis_miniport_timer *timer; ndis_handle handle; ndis_timer_function func; void *ctx; { /* Save the driver's funcptr and context */ PN(NdisMInitializeTimer) timer->nmt_timerfunc = func; timer->nmt_timerctx = ctx; timer->nmt_block = handle; #ifdef __NetBSD__ /* TODO: free this memory somewhere! */ printf("Allocating callout struct\n"); if(timer->nmt_ktimer.k_handle == NULL) { timer->nmt_ktimer.k_handle = malloc(sizeof(struct callout), M_DEVBUF, M_NOWAIT|M_ZERO); ndis_num_timers_allocated++; } #endif /* * Set up the timer so it will call our intermediate DPC. * Be sure to use the wrapped entry point, since * ntoskrnl_run_dpc() expects to invoke a function with * Microsoft calling conventions. */ KeInitializeTimer(&timer->nmt_ktimer); KeInitializeDpc(&timer->nmt_kdpc, ndis_findwrap((funcptr)ndis_timercall), timer); return; } /* * In Windows, there's both an NdisMSetTimer() and an NdisSetTimer(), * but the former is just a macro wrapper around the latter. */ __stdcall static void NdisSetTimer(timer, msecs) ndis_timer *timer; uint32_t msecs; { PN(NdisSetTimer) /* * KeSetTimer() wants the period in * hundred nanosecond intervals. */ KeSetTimer(&timer->nt_ktimer, ((int64_t)msecs * -10000), &timer->nt_kdpc); return; } __stdcall static void NdisMSetPeriodicTimer(timer, msecs) ndis_miniport_timer *timer; uint32_t msecs; { PN(NdisMSetPeriodicTimer) KeSetTimerEx(&timer->nmt_ktimer, ((int64_t)msecs * -10000), msecs, &timer->nmt_kdpc); return; } /* * Technically, this is really NdisCancelTimer(), but we also * (ab)use it for NdisMCancelTimer(), since in our implementation * we don't need the extra info in the ndis_miniport_timer * structure just to cancel a timer. */ __stdcall static void NdisMCancelTimer(timer, cancelled) ndis_timer *timer; uint8_t *cancelled; { PN(NdisMCancelTimer) *cancelled = KeCancelTimer(&timer->nt_ktimer); return; } __stdcall static void NdisMQueryAdapterResources(status, adapter, list, buflen) ndis_status *status; ndis_handle adapter; ndis_resource_list *list; uint32_t *buflen; { ndis_miniport_block *block; struct ndis_softc *sc; int rsclen; PN(NdisMQueryAdapterResources) block = (ndis_miniport_block *)adapter; #ifdef __FreeBSD__ sc = device_get_softc(block->nmb_physdeviceobj->do_devext); #else /* __NetBSD__ */ sc = (struct ndis_softc *)block->nmb_physdeviceobj->pdo_sc; #endif rsclen = sizeof(ndis_resource_list) + (sizeof(cm_partial_resource_desc) * (sc->ndis_rescnt - 1)); if (*buflen < rsclen) { *buflen = rsclen; *status = NDIS_STATUS_INVALID_LENGTH; return; } #ifdef __FreeBSD__ bcopy((char *)block->nmb_rlist, (char *)list, rsclen); #else /* __NetBSD__ */ memcpy(list, block->nmb_rlist, rsclen); #endif *status = NDIS_STATUS_SUCCESS; return; } __stdcall static ndis_status NdisMRegisterIoPortRange( void **offset, ndis_handle adapter, uint32_t port, uint32_t numports) { struct ndis_miniport_block *block; struct ndis_softc *sc; PN(NdisMRegisterIoPortRange) if (adapter == NULL) return(NDIS_STATUS_FAILURE); block = (ndis_miniport_block *)adapter; #ifdef __FreeBSD__ sc = device_get_softc(block->nmb_physdeviceobj->do_devext); #else /* __NetBSD__ */ sc = (struct ndis_softc *)block->nmb_physdeviceobj->pdo_sc; #endif #ifdef __FreeBSD__ if (sc->ndis_res_io == NULL) #else if (sc->ndis_res_io == NULL && sc->ndis_iftype != PCMCIABus) #endif return(NDIS_STATUS_FAILURE); /* Don't let the device map more ports than we have. */ #ifdef __FreeBSD__ if (rman_get_size(sc->ndis_res_io) < numports) #else /* __NetBSD__ */ if ( (sc->ndis_iftype != PCMCIABus && sc->ndis_res_io->res_size < numports) || (sc->ndis_iftype == PCMCIABus && sc->ndis_res_pcioh.size < numports) ) #endif return(NDIS_STATUS_INVALID_LENGTH); #ifdef __FreeBSD__ *offset = (void *)rman_get_start(sc->ndis_res_io); #else /* __NetBSD__ */ switch (sc->ndis_iftype){ case PCIBus: case CBus: /* CardBus */ *offset = (void*)sc->ndis_res_io->res_base; break; case PCMCIABus: *offset = (void*)sc->ndis_res_pcioh.addr; break; default: return(NDIS_STATUS_FAILURE); } #endif /* __NetBSD__ */ return(NDIS_STATUS_SUCCESS); } __stdcall static void NdisMDeregisterIoPortRange( ndis_handle adapter, uint32_t port, uint32_t numports, void *offset) { return; } __stdcall static void NdisReadNetworkAddress(status, addr, addrlen, adapter) ndis_status *status; void **addr; uint32_t *addrlen; ndis_handle adapter; { struct ndis_softc *sc; ndis_miniport_block *block; uint8_t empty[] = { 0, 0, 0, 0, 0, 0 }; PN(NdisReadNetworkAddress) block = (ndis_miniport_block *)adapter; #ifdef __FreeBSD__ sc = device_get_softc(block->nmb_physdeviceobj->do_devext); #else /* __NetBSD__ */ sc = (struct ndis_softc *)block->nmb_physdeviceobj->pdo_sc; #endif #ifdef __FreeBSD__ if (bcmp(sc->arpcom.ac_enaddr, empty, ETHER_ADDR_LEN) == 0) #else if (bcmp(LLADDR(sc->arpcom.ec_if.if_sadl), empty, ETHER_ADDR_LEN) == 0) #endif *status = NDIS_STATUS_FAILURE; else { #ifdef __FreeBSD__ *addr = sc->arpcom.ac_enaddr; #else *addr = LLADDR(sc->arpcom.ec_if.if_sadl); #endif *addrlen = ETHER_ADDR_LEN; *status = NDIS_STATUS_SUCCESS; } return; } __stdcall static ndis_status NdisQueryMapRegisterCount( uint32_t bustype, uint32_t *cnt) { PN(NdisQueryMapRegisterCount) *cnt = 8192; return(NDIS_STATUS_SUCCESS); } __stdcall static ndis_status NdisMAllocateMapRegisters( ndis_handle adapter, uint32_t dmachannel, uint8_t dmasize, uint32_t physmapneeded, uint32_t maxmap) { struct ndis_softc *sc; ndis_miniport_block *block; #ifdef __FreeBSD__ int error; #endif int i, nseg = NDIS_MAXSEG; PN(NdisMAllocateMapRegisters) block = (ndis_miniport_block *)adapter; #ifdef __FreeBSD__ sc = device_get_softc(block->nmb_physdeviceobj->do_devext); #else /* __NetBSD__ */ sc = (struct ndis_softc *)block->nmb_physdeviceobj->pdo_sc; #endif sc->ndis_mmaps = malloc(sizeof(bus_dmamap_t) * physmapneeded, M_DEVBUF, M_NOWAIT|M_ZERO); if (sc->ndis_mmaps == NULL) return(NDIS_STATUS_RESOURCES); #ifdef __FreeBSD__ error = bus_dma_tag_create(sc->ndis_parent_tag, ETHER_ALIGN, 0, BUS_SPACE_MAXADDR_32BIT, BUS_SPACE_MAXADDR, NULL, NULL, maxmap * nseg, nseg, maxmap, BUS_DMA_ALLOCNOW, NULL, NULL, &sc->ndis_mtag); if (error) { free(sc->ndis_mmaps, M_DEVBUF); return(NDIS_STATUS_RESOURCES); } #else sc->ndis_mtag = sc->ndis_parent_tag; #endif for (i = 0; i < physmapneeded; i++) { #ifdef __FreeBSD__ bus_dmamap_create(sc->ndis_mtag, 0, &sc->ndis_mmaps[i]); #else bus_dmamap_create(sc->ndis_mtag, maxmap * nseg, nseg, maxmap, BUS_DMA_NOWAIT, 0, &sc->ndis_mmaps[i]); #endif } sc->ndis_mmapcnt = physmapneeded; return(NDIS_STATUS_SUCCESS); } __stdcall static void NdisMFreeMapRegisters(adapter) ndis_handle adapter; { struct ndis_softc *sc; ndis_miniport_block *block; int i; PN(NdisMFreeMapRegisters) block = (ndis_miniport_block *)adapter; #ifdef __FreeBSD__ sc = device_get_softc(block->nmb_physdeviceobj->do_devext); #else /* __NetBSD__ */ sc = (struct ndis_softc *)block->nmb_physdeviceobj->pdo_sc; #endif for (i = 0; i < sc->ndis_mmapcnt; i++) bus_dmamap_destroy(sc->ndis_mtag, sc->ndis_mmaps[i]); free(sc->ndis_mmaps, M_DEVBUF); #ifdef __FreeBSD__ bus_dma_tag_destroy(sc->ndis_mtag); #endif return; } static void ndis_mapshared_cb(arg, segs, nseg, error) void *arg; bus_dma_segment_t *segs; int nseg; int error; { ndis_physaddr *p; /* PN(ndis_mapshared_cb) */ if (error || nseg > 1) return; p = arg; p->np_quad = segs[0].ds_addr; return; } /* * This maps to bus_dmamem_alloc(). */ __stdcall static void NdisMAllocateSharedMemory( ndis_handle adapter, uint32_t len, uint8_t cached, void **vaddr, ndis_physaddr *paddr) { ndis_miniport_block *block; struct ndis_softc *sc; struct ndis_shmem *sh; int error; #ifdef __NetBSD__ bus_dma_segment_t segs; int nsegs; #endif /* PN(NdisMAllocateSharedMemory) */ if (adapter == NULL) return; block = (ndis_miniport_block *)adapter; #ifdef __FreeBSD__ sc = device_get_softc(block->nmb_physdeviceobj->do_devext); #else /* __NetBSD__ */ sc = (struct ndis_softc *)block->nmb_physdeviceobj->pdo_sc; #endif sh = malloc(sizeof(struct ndis_shmem), M_DEVBUF, M_NOWAIT|M_ZERO); if (sh == NULL) return; /* * When performing shared memory allocations, create a tag * with a lowaddr limit that restricts physical memory mappings * so that they all fall within the first 1GB of memory. * At least one device/driver combination (Linksys Instant * Wireless PCI Card V2.7, Broadcom 802.11b) seems to have * problems with performing DMA operations with physical * addresses that lie above the 1GB mark. I don't know if this * is a hardware limitation or if the addresses are being * truncated within the driver, but this seems to be the only * way to make these cards work reliably in systems with more * than 1GB of physical memory. */ #ifdef __FreeBSD__ error = bus_dma_tag_create(sc->ndis_parent_tag, 64, 0, NDIS_BUS_SPACE_SHARED_MAXADDR, BUS_SPACE_MAXADDR, NULL, NULL, len, 1, len, BUS_DMA_ALLOCNOW, NULL, NULL, &sh->ndis_stag); if (error) { free(sh, M_DEVBUF); return; } error = bus_dmamem_alloc(sh->ndis_stag, vaddr, BUS_DMA_NOWAIT | BUS_DMA_ZERO, &sh->ndis_smap); if (error) { bus_dma_tag_destroy(sh->ndis_stag); free(sh, M_DEVBUF); return; } error = bus_dmamap_load(sh->ndis_stag, sh->ndis_smap, *vaddr, len, ndis_mapshared_cb, (void *)paddr, BUS_DMA_NOWAIT); if (error) { bus_dmamem_free(sh->ndis_stag, *vaddr, sh->ndis_smap); bus_dma_tag_destroy(sh->ndis_stag); free(sh, M_DEVBUF); return; } #else sh->ndis_stag = sc->ndis_parent_tag; error = bus_dmamem_alloc(sh->ndis_stag, len, 64, 0, &segs, 1, &nsegs, BUS_DMA_NOWAIT); if (error) { printf("bus_dmamem_alloc failed(1)\n"); return; } error = bus_dmamem_map(sh->ndis_stag, &segs, nsegs, len, /*(void **)&vaddr*/ (void **)vaddr, BUS_DMA_NOWAIT); /* printf("*vaddr = %x\n", (unsigned int)*vaddr); */ if (error) { printf("bus_dmamem_alloc failed(2)\n"); /* XXX free */ return; } error = bus_dmamap_create(sh->ndis_stag, len, nsegs, BUS_SPACE_MAXSIZE_32BIT, 0, BUS_DMA_ALLOCNOW, &sh->ndis_smap); if (error) { printf("bus_dmamem_alloc failed(3)\n"); /* XXX free, unmap */ return; } error = bus_dmamap_load(sh->ndis_stag, sh->ndis_smap, /*vaddr*/ *vaddr, len, NULL, BUS_DMA_NOWAIT); ndis_mapshared_cb((void *)paddr, sh->ndis_smap->dm_segs, sh->ndis_smap->dm_nsegs, error); if (error) { printf("bus_dmamem_alloc failed(3)\n"); /* XXX free, unmap, destroy */ return; } #endif sh->ndis_saddr = *vaddr; sh->ndis_next = sc->ndis_shlist; sc->ndis_shlist = sh; return; } struct ndis_allocwork { ndis_handle na_adapter; uint32_t na_len; uint8_t na_cached; void *na_ctx; }; static void ndis_asyncmem_complete(arg) void *arg; { ndis_miniport_block *block; struct ndis_softc *sc; struct ndis_allocwork *w; void *vaddr; ndis_physaddr paddr; __stdcall ndis_allocdone_handler donefunc; w = arg; block = (ndis_miniport_block *)w->na_adapter; #ifdef __FreeBSD__ sc = device_get_softc(block->nmb_physdeviceobj->do_devext); #else /* __NetBSD__ */ sc = (struct ndis_softc *)block->nmb_physdeviceobj->pdo_sc; #endif PN(ndis_asyncmem_complete) vaddr = NULL; paddr.np_quad = 0; donefunc = sc->ndis_chars->nmc_allocate_complete_func; NdisMAllocateSharedMemory(w->na_adapter, w->na_len, w->na_cached, &vaddr, &paddr); MSCALL5(donefunc, w->na_adapter, vaddr, &paddr, w->na_len, w->na_ctx); free(arg, M_DEVBUF); return; } __stdcall static ndis_status NdisMAllocateSharedMemoryAsync(adapter, len, cached, ctx) ndis_handle adapter; uint32_t len; uint8_t cached; void *ctx; { struct ndis_allocwork *w; PN(NdisMAllocateSharedMemoryAsync) if (adapter == NULL) return(NDIS_STATUS_FAILURE); w = malloc(sizeof(struct ndis_allocwork), M_TEMP, M_NOWAIT); if (w == NULL) return(NDIS_STATUS_FAILURE); w->na_adapter = adapter; w->na_cached = cached; w->na_len = len; w->na_ctx = ctx; /* * Pawn this work off on the SWI thread instead of the * taskqueue thread, because sometimes drivers will queue * up work items on the taskqueue thread that will block, * which would prevent the memory allocation from completing * when we need it. */ ndis_sched(ndis_asyncmem_complete, w, NDIS_SWI); return(NDIS_STATUS_PENDING); } __stdcall static void NdisMFreeSharedMemory( ndis_handle adapter, uint32_t len, uint8_t cached, void *vaddr, ndis_physaddr paddr) { ndis_miniport_block *block; struct ndis_softc *sc; struct ndis_shmem *sh, *prev; PN(NdisMFreeSharedMemory) if (vaddr == NULL || adapter == NULL) return; block = (ndis_miniport_block *)adapter; #ifdef __FreeBSD__ sc = device_get_softc(block->nmb_physdeviceobj->do_devext); #else /* __NetBSD__ */ sc = (struct ndis_softc *)block->nmb_physdeviceobj->pdo_sc; #endif sh = prev = sc->ndis_shlist; /* Sanity check: is list empty? */ if (sh == NULL) return; while (sh) { if (sh->ndis_saddr == vaddr) break; prev = sh; sh = sh->ndis_next; } bus_dmamap_unload(sh->ndis_stag, sh->ndis_smap); #ifdef __FreeBSD__ bus_dmamem_free(sh->ndis_stag, vaddr, sh->ndis_smap); bus_dma_tag_destroy(sh->ndis_stag); #else bus_dmamem_unmap(sh->ndis_stag, vaddr, sh->ndis_smap->dm_mapsize); bus_dmamem_free(sh->ndis_stag, sh->ndis_smap->dm_segs, sh->ndis_smap->dm_nsegs ); #endif if (sh == sc->ndis_shlist) sc->ndis_shlist = sh->ndis_next; else prev->ndis_next = sh->ndis_next; free(sh, M_DEVBUF); return; } __stdcall static ndis_status NdisMMapIoSpace( void **vaddr, ndis_handle adapter, ndis_physaddr paddr, uint32_t len) { ndis_miniport_block *block; struct ndis_softc *sc; PN(NdisMMapIoSpace) if (adapter == NULL) return(NDIS_STATUS_FAILURE); block = (ndis_miniport_block *)adapter; #ifdef __FreeBSD__ sc = device_get_softc(block->nmb_physdeviceobj->do_devext); #else /* __NetBSD__ */ sc = (struct ndis_softc *)block->nmb_physdeviceobj->pdo_sc; #endif #ifdef __FreeBSD__ if (sc->ndis_res_mem != NULL && paddr.np_quad == rman_get_start(sc->ndis_res_mem)) *vaddr = (void *)rman_get_virtual(sc->ndis_res_mem); else if (sc->ndis_res_altmem != NULL && paddr.np_quad == rman_get_start(sc->ndis_res_altmem)) *vaddr = (void *)rman_get_virtual(sc->ndis_res_altmem); else if (sc->ndis_res_am != NULL && paddr.np_quad == rman_get_start(sc->ndis_res_am)) *vaddr = (void *)rman_get_virtual(sc->ndis_res_am); else return(NDIS_STATUS_FAILURE); #else /* TODO: add one for sc->ndis_res_am once PCMCIA is going */ if (sc->ndis_res_mem != NULL && paddr.np_quad == sc->ndis_res_mem->res_base) *vaddr = bus_space_vaddr(sc->ndis_res_mem->res_tag, sc->ndis_res_mem->res_handle); else if (sc->ndis_res_altmem != NULL && paddr.np_quad == sc->ndis_res_altmem->res_base) *vaddr = bus_space_vaddr(sc->ndis_res_altmem->res_tag, sc->ndis_res_altmem->res_handle); else return(NDIS_STATUS_FAILURE); /* *vaddr = bus_space_vaddr(sc->ndis_res_mem->res_tag, sc->ndis_res_mem->res_handle); */ #endif return(NDIS_STATUS_SUCCESS); } __stdcall static void NdisMUnmapIoSpace( ndis_handle adapter, void *vaddr, uint32_t len) { return; } __stdcall static uint32_t NdisGetCacheFillSize(void) { return(128); } __stdcall static uint32_t NdisMGetDmaAlignment(ndis_handle handle) { return(128); } /* * NDIS has two methods for dealing with NICs that support DMA. * One is to just pass packets to the driver and let it call * NdisMStartBufferPhysicalMapping() to map each buffer in the packet * all by itself, and the other is to let the NDIS library handle the * buffer mapping internally, and hand the driver an already populated * scatter/gather fragment list. If the driver calls * NdisMInitializeScatterGatherDma(), it wants to use the latter * method. */ __stdcall static ndis_status NdisMInitializeScatterGatherDma( ndis_handle adapter, uint8_t is64, uint32_t maxphysmap) { struct ndis_softc *sc; ndis_miniport_block *block; #ifdef __FreeBSD__ int error; #endif PN(NdisMInitializeScatterGatherDma) if (adapter == NULL) return(NDIS_STATUS_FAILURE); block = (ndis_miniport_block *)adapter; #ifdef __FreeBSD__ sc = device_get_softc(block->nmb_physdeviceobj->do_devext); #else /* __NetBSD__ */ sc = (struct ndis_softc *)block->nmb_physdeviceobj->pdo_sc; #endif /* Don't do this twice. */ if (sc->ndis_sc == 1) return(NDIS_STATUS_SUCCESS); #ifdef __FreeBSD__ error = bus_dma_tag_create(sc->ndis_parent_tag, ETHER_ALIGN, 0, BUS_SPACE_MAXADDR_32BIT, BUS_SPACE_MAXADDR, NULL, NULL, MCLBYTES * NDIS_MAXSEG, NDIS_MAXSEG, MCLBYTES, BUS_DMA_ALLOCNOW, NULL, NULL, &sc->ndis_ttag); #else /* __NetBSD__ */ /* TODO: Is this correct to just use the parent tag? */ sc->ndis_ttag = sc->ndis_parent_tag; #endif sc->ndis_sc = 1; return(NDIS_STATUS_SUCCESS); } __stdcall void NdisAllocatePacketPool(status, pool, descnum, protrsvdlen) ndis_status *status; ndis_handle *pool; uint32_t descnum; uint32_t protrsvdlen; { ndis_packet *cur; int i; PN(NdisAllocatePacketPool) *pool = malloc((sizeof(ndis_packet) + protrsvdlen) * ((descnum + NDIS_POOL_EXTRA) + 1), M_DEVBUF, M_NOWAIT|M_ZERO); if (*pool == NULL) { *status = NDIS_STATUS_RESOURCES; return; } cur = (ndis_packet *)*pool; KeInitializeSpinLock(&cur->np_lock); cur->np_private.npp_flags = 0x1; /* mark the head of the list */ cur->np_private.npp_totlen = 0; /* init deletetion flag */ for (i = 0; i < (descnum + NDIS_POOL_EXTRA); i++) { cur->np_private.npp_head = (ndis_handle)(cur + 1); cur++; } *status = NDIS_STATUS_SUCCESS; return; } __stdcall void NdisAllocatePacketPoolEx(status, pool, descnum, oflowdescnum, protrsvdlen) ndis_status *status; ndis_handle *pool; uint32_t descnum; uint32_t oflowdescnum; uint32_t protrsvdlen; { return(NdisAllocatePacketPool(status, pool, descnum + oflowdescnum, protrsvdlen)); } __stdcall uint32_t NdisPacketPoolUsage(pool) ndis_handle pool; { ndis_packet *head; uint8_t irql; uint32_t cnt; head = (ndis_packet *)pool; KeAcquireSpinLock(&head->np_lock, &irql); cnt = head->np_private.npp_count; KeReleaseSpinLock(&head->np_lock, irql); return(cnt); } __stdcall void NdisFreePacketPool(pool) ndis_handle pool; { ndis_packet *head; uint8_t irql; head = pool; /* Mark this pool as 'going away.' */ KeAcquireSpinLock(&head->np_lock, &irql); head->np_private.npp_totlen = 1; /* If there are no buffers loaned out, destroy the pool. */ if (head->np_private.npp_count == 0) { KeReleaseSpinLock(&head->np_lock, irql); free(pool, M_DEVBUF); } else { printf("NDIS: buggy driver deleting active packet pool!\n"); KeReleaseSpinLock(&head->np_lock, irql); } return; } __stdcall void NdisAllocatePacket(status, packet, pool) ndis_status *status; ndis_packet **packet; ndis_handle pool; { ndis_packet *head, *pkt; uint8_t irql; #ifdef __NetBSD__ /*TODO: For some reason NdisAllocatePacket was getting called once with pool being NULL *TODO: and this was causing a seg-fault. This seems to solve the problem, but I'm not *TODO: should happen at all in the first place. */ if(pool == NULL) { *status = NDIS_STATUS_FAILURE; return; } #endif head = (ndis_packet *)pool; KeAcquireSpinLock(&head->np_lock, &irql); if (head->np_private.npp_flags != 0x1) { *status = NDIS_STATUS_FAILURE; KeReleaseSpinLock(&head->np_lock, irql); return; } /* * If this pool is marked as 'going away' don't allocate any * more packets out of it. */ if (head->np_private.npp_totlen) { *status = NDIS_STATUS_FAILURE; KeReleaseSpinLock(&head->np_lock, irql); return; } pkt = (ndis_packet *)head->np_private.npp_head; if (pkt == NULL) { *status = NDIS_STATUS_RESOURCES; KeReleaseSpinLock(&head->np_lock, irql); return; } head->np_private.npp_head = pkt->np_private.npp_head; pkt->np_private.npp_head = pkt->np_private.npp_tail = NULL; /* Save pointer to the pool. */ pkt->np_private.npp_pool = head; /* Set the oob offset pointer. Lots of things expect this. */ pkt->np_private.npp_packetooboffset = offsetof(ndis_packet, np_oob); /* * We must initialize the packet flags correctly in order * for the NDIS_SET_PACKET_MEDIA_SPECIFIC_INFO() and * NDIS_GET_PACKET_MEDIA_SPECIFIC_INFO() macros to work * correctly. */ pkt->np_private.npp_ndispktflags = NDIS_PACKET_ALLOCATED_BY_NDIS; pkt->np_private.npp_validcounts = FALSE; *packet = pkt; head->np_private.npp_count++; *status = NDIS_STATUS_SUCCESS; KeReleaseSpinLock(&head->np_lock, irql); return; } __stdcall void NdisFreePacket(packet) ndis_packet *packet; { ndis_packet *head; uint8_t irql; if (packet == NULL || packet->np_private.npp_pool == NULL) return; head = packet->np_private.npp_pool; KeAcquireSpinLock(&head->np_lock, &irql); if (head->np_private.npp_flags != 0x1) { KeReleaseSpinLock(&head->np_lock, irql); return; } packet->np_private.npp_head = head->np_private.npp_head; head->np_private.npp_head = (ndis_buffer *)packet; head->np_private.npp_count--; /* * If the pool has been marked for deletion and there are * no more packets outstanding, nuke the pool. */ if (head->np_private.npp_totlen && head->np_private.npp_count == 0) { KeReleaseSpinLock(&head->np_lock, irql); free(head, M_DEVBUF); } else KeReleaseSpinLock(&head->np_lock, irql); return; } __stdcall static void NdisUnchainBufferAtFront(packet, buf) ndis_packet *packet; ndis_buffer **buf; { ndis_packet_private *priv; if (packet == NULL || buf == NULL) return; priv = &packet->np_private; priv->npp_validcounts = FALSE; if (priv->npp_head == priv->npp_tail) { *buf = priv->npp_head; priv->npp_head = priv->npp_tail = NULL; } else { *buf = priv->npp_head; priv->npp_head = (*buf)->mdl_next; } return; } __stdcall static void NdisUnchainBufferAtBack(packet, buf) ndis_packet *packet; ndis_buffer **buf; { ndis_packet_private *priv; ndis_buffer *tmp; if (packet == NULL || buf == NULL) return; priv = &packet->np_private; priv->npp_validcounts = FALSE; if (priv->npp_head == priv->npp_tail) { *buf = priv->npp_head; priv->npp_head = priv->npp_tail = NULL; } else { *buf = priv->npp_tail; tmp = priv->npp_head; while (tmp->mdl_next != priv->npp_tail) tmp = tmp->mdl_next; priv->npp_tail = tmp; tmp->mdl_next = NULL; } return; } /* * The NDIS "buffer" is really an MDL (memory descriptor list) * which is used to describe a buffer in a way that allows it * to mapped into different contexts. We have to be careful how * we handle them: in some versions of Windows, the NdisFreeBuffer() * routine is an actual function in the NDIS API, but in others * it's just a macro wrapper around IoFreeMdl(). There's really * no way to use the 'descnum' parameter to count how many * "buffers" are allocated since in order to use IoFreeMdl() to * dispose of a buffer, we have to use IoAllocateMdl() to allocate * them, and IoAllocateMdl() just grabs them out of the heap. */ __stdcall static void NdisAllocateBufferPool( ndis_status *status, ndis_handle *pool, uint32_t descnum) { /* * The only thing we can really do here is verify that descnum * is a reasonable value, but I really don't know what to check * it against. */ *pool = NonPagedPool; *status = NDIS_STATUS_SUCCESS; return; } __stdcall static void NdisFreeBufferPool(ndis_handle pool) { return; } __stdcall static void NdisAllocateBuffer( ndis_status *status, ndis_buffer **buffer, ndis_handle pool, void *vaddr, uint32_t len) { ndis_buffer *buf; buf = IoAllocateMdl(vaddr, len, FALSE, FALSE, NULL); if (buf == NULL) { *status = NDIS_STATUS_RESOURCES; return; } *buffer = buf; *status = NDIS_STATUS_SUCCESS; return; } __stdcall static void NdisFreeBuffer(buf) ndis_buffer *buf; { IoFreeMdl(buf); return; } /* Aw c'mon. */ __stdcall static uint32_t NdisBufferLength(buf) ndis_buffer *buf; { return(MmGetMdlByteCount(buf)); } /* * Get the virtual address and length of a buffer. * Note: the vaddr argument is optional. */ __stdcall static void NdisQueryBuffer(buf, vaddr, len) ndis_buffer *buf; void **vaddr; uint32_t *len; { if (vaddr != NULL) *vaddr = MmGetMdlVirtualAddress(buf); *len = MmGetMdlByteCount(buf); return; } /* Same as above -- we don't care about the priority. */ __stdcall static void NdisQueryBufferSafe( ndis_buffer *buf, void **vaddr, uint32_t *len, uint32_t prio) { if (vaddr != NULL) *vaddr = MmGetMdlVirtualAddress(buf); *len = MmGetMdlByteCount(buf); return; } /* Damnit Microsoft!! How many ways can you do the same thing?! */ __stdcall static void * NdisBufferVirtualAddress(buf) ndis_buffer *buf; { return(MmGetMdlVirtualAddress(buf)); } __stdcall static void * NdisBufferVirtualAddressSafe( ndis_buffer *buf, uint32_t prio) { return(MmGetMdlVirtualAddress(buf)); } __stdcall static void NdisAdjustBufferLength(buf, len) ndis_buffer *buf; int len; { MmGetMdlByteCount(buf) = len; return; } __stdcall static uint32_t NdisInterlockedIncrement(addend) uint32_t *addend; { atomic_add_long((u_long *)addend, 1); return(*addend); } __stdcall static uint32_t NdisInterlockedDecrement(addend) uint32_t *addend; { atomic_subtract_long((u_long *)addend, 1); return(*addend); } __stdcall static void NdisInitializeEvent(event) ndis_event *event; { /* * NDIS events are always notification * events, and should be initialized to the * not signaled state. */ KeInitializeEvent(&event->ne_event, EVENT_TYPE_NOTIFY, FALSE); return; } __stdcall static void NdisSetEvent(event) ndis_event *event; { KeSetEvent(&event->ne_event, 0, 0); return; } __stdcall static void NdisResetEvent(event) ndis_event *event; { KeResetEvent(&event->ne_event); return; } __stdcall static uint8_t NdisWaitEvent(event, msecs) ndis_event *event; uint32_t msecs; { int64_t duetime; uint32_t rval; duetime = ((int64_t)msecs * -10000); rval = KeWaitForSingleObject((nt_dispatch_header *)event, 0, 0, TRUE, msecs ? &duetime : NULL); if (rval == STATUS_TIMEOUT) return(FALSE); return(TRUE); } __stdcall static ndis_status NdisUnicodeStringToAnsiString(dstr, sstr) ndis_ansi_string *dstr; ndis_unicode_string *sstr; { if (dstr == NULL || sstr == NULL) return(NDIS_STATUS_FAILURE); if (ndis_unicode_to_ascii(sstr->us_buf, sstr->us_len, &dstr->nas_buf)) return(NDIS_STATUS_FAILURE); dstr->nas_len = dstr->nas_maxlen = strlen(dstr->nas_buf); return (NDIS_STATUS_SUCCESS); } __stdcall static ndis_status NdisAnsiStringToUnicodeString(dstr, sstr) ndis_unicode_string *dstr; ndis_ansi_string *sstr; { char *str; if (dstr == NULL || sstr == NULL) return(NDIS_STATUS_FAILURE); str = malloc(sstr->nas_len + 1, M_DEVBUF, M_NOWAIT); if (str == NULL) return(NDIS_STATUS_FAILURE); strncpy(str, sstr->nas_buf, sstr->nas_len); *(str + sstr->nas_len) = '\0'; if (ndis_ascii_to_unicode(str, &dstr->us_buf)) { free(str, M_DEVBUF); return(NDIS_STATUS_FAILURE); } dstr->us_len = dstr->us_maxlen = sstr->nas_len * 2; free(str, M_DEVBUF); return (NDIS_STATUS_SUCCESS); } __stdcall static ndis_status NdisMPciAssignResources( ndis_handle adapter, uint32_t slot, ndis_resource_list **list) { ndis_miniport_block *block; if (adapter == NULL || list == NULL) return (NDIS_STATUS_FAILURE); block = (ndis_miniport_block *)adapter; *list = block->nmb_rlist; return (NDIS_STATUS_SUCCESS); } __stdcall static ndis_status NdisMRegisterInterrupt( ndis_miniport_interrupt *intr, ndis_handle adapter, uint32_t ivec, uint32_t ilevel, uint8_t reqisr, uint8_t shared, ndis_interrupt_mode imode) { ndis_miniport_block *block; block = adapter; intr->ni_block = adapter; intr->ni_isrreq = reqisr; intr->ni_shared = shared; block->nmb_interrupt = intr; KeInitializeSpinLock(&intr->ni_dpccountlock); return(NDIS_STATUS_SUCCESS); } __stdcall static void NdisMDeregisterInterrupt(ndis_miniport_interrupt *intr) { return; } __stdcall static void NdisMRegisterAdapterShutdownHandler(adapter, shutdownctx, shutdownfunc) ndis_handle adapter; void *shutdownctx; ndis_shutdown_handler shutdownfunc; { ndis_miniport_block *block; ndis_miniport_characteristics *chars; struct ndis_softc *sc; if (adapter == NULL) return; block = (ndis_miniport_block *)adapter; #ifdef __FreeBSD__ sc = device_get_softc(block->nmb_physdeviceobj->do_devext); #else /* __NetBSD__ */ sc = (struct ndis_softc *)block->nmb_physdeviceobj->pdo_sc; #endif chars = sc->ndis_chars; chars->nmc_shutdown_handler = shutdownfunc; chars->nmc_rsvd0 = shutdownctx; return; } __stdcall static void NdisMDeregisterAdapterShutdownHandler(adapter) ndis_handle adapter; { ndis_miniport_block *block; ndis_miniport_characteristics *chars; struct ndis_softc *sc; if (adapter == NULL) return; block = (ndis_miniport_block *)adapter; #ifdef __FreeBSD__ sc = device_get_softc(block->nmb_physdeviceobj->do_devext); #else /* __NetBSD__ */ sc = (struct ndis_softc *)block->nmb_physdeviceobj->pdo_sc; #endif chars = sc->ndis_chars; chars->nmc_shutdown_handler = NULL; chars->nmc_rsvd0 = NULL; return; } __stdcall static uint32_t NDIS_BUFFER_TO_SPAN_PAGES(buf) ndis_buffer *buf; { if (buf == NULL) return(0); if (MmGetMdlByteCount(buf) == 0) return(1); return(SPAN_PAGES(MmGetMdlVirtualAddress(buf), MmGetMdlByteCount(buf))); } __stdcall static void NdisGetBufferPhysicalArraySize(buf, pages) ndis_buffer *buf; uint32_t *pages; { if (buf == NULL) return; *pages = NDIS_BUFFER_TO_SPAN_PAGES(buf); return; } __stdcall static void NdisQueryBufferOffset(buf, off, len) ndis_buffer *buf; uint32_t *off; uint32_t *len; { if (buf == NULL) return; *off = MmGetMdlByteOffset(buf); *len = MmGetMdlByteCount(buf); return; } __stdcall static void NdisMSleep(usecs) uint32_t usecs; { struct timeval tv; tv.tv_sec = 0; tv.tv_usec = usecs; #ifdef __FreeBSD__ ndis_thsuspend(curthread->td_proc, NULL, tvtohz(&tv)); #else ndis_thsuspend(curproc, NULL, tvtohz(&tv)); #endif return; } __stdcall static uint32_t NdisReadPcmciaAttributeMemory(handle, offset, buf, len) ndis_handle handle; uint32_t offset; void *buf; uint32_t len; { struct ndis_softc *sc; ndis_miniport_block *block; bus_space_handle_t bh; bus_space_tag_t bt; char *dest; int i; if (handle == NULL) return(0); block = (ndis_miniport_block *)handle; #ifdef __FreeBSD__ sc = device_get_softc(block->nmb_physdeviceobj->do_devext); #else /* __NetBSD__ */ sc = (struct ndis_softc *)block->nmb_physdeviceobj->pdo_sc; #endif dest = buf; #ifdef __FreeBSD__ bh = rman_get_bushandle(sc->ndis_res_am); bt = rman_get_bustag(sc->ndis_res_am); #else if ( sc->ndis_iftype == PCMCIABus ){ bt = sc->ndis_res_pcmem.memt; bh = sc->ndis_res_pcmem.memh; } else { /* cardbus case */ /* TODO what does it really wait for ? */ bt = sc->ndis_res_mem->res_tag; bh = sc->ndis_res_mem->res_handle; } #endif for (i = 0; i < len; i++) dest[i] = bus_space_read_1(bt, bh, (offset + i) * 2); return(i); } __stdcall static uint32_t NdisWritePcmciaAttributeMemory(handle, offset, buf, len) ndis_handle handle; uint32_t offset; void *buf; uint32_t len; { struct ndis_softc *sc; ndis_miniport_block *block; bus_space_handle_t bh; bus_space_tag_t bt; char *src; int i; if (handle == NULL) return(0); block = (ndis_miniport_block *)handle; #ifdef __FreeBSD__ sc = device_get_softc(block->nmb_physdeviceobj->do_devext); #else /* __NetBSD__ */ sc = (struct ndis_softc *)block->nmb_physdeviceobj->pdo_sc; #endif src = buf; #ifdef __FreeBSD__ bh = rman_get_bushandle(sc->ndis_res_am); bt = rman_get_bustag(sc->ndis_res_am); #else if ( sc->ndis_iftype == PCMCIABus ){ bt = sc->ndis_res_pcmem.memt; bh = sc->ndis_res_pcmem.memh; } else { /* cardbus case */ /* TODO what does it really wait for ? */ bt = sc->ndis_res_mem->res_tag; bh = sc->ndis_res_mem->res_handle; } #endif for (i = 0; i < len; i++) bus_space_write_1(bt, bh, (offset + i) * 2, src[i]); return(i); } __stdcall static list_entry * NdisInterlockedInsertHeadList(head, entry, lock) list_entry *head; list_entry *entry; ndis_spin_lock *lock; { list_entry *flink; KeAcquireSpinLock(&lock->nsl_spinlock, &lock->nsl_kirql); flink = head->nle_flink; entry->nle_flink = flink; entry->nle_blink = head; flink->nle_blink = entry; head->nle_flink = entry; KeReleaseSpinLock(&lock->nsl_spinlock, lock->nsl_kirql); return(flink); } __stdcall static list_entry * NdisInterlockedRemoveHeadList(head, lock) list_entry *head; ndis_spin_lock *lock; { list_entry *flink; list_entry *entry; KeAcquireSpinLock(&lock->nsl_spinlock, &lock->nsl_kirql); entry = head->nle_flink; flink = entry->nle_flink; head->nle_flink = flink; flink->nle_blink = head; KeReleaseSpinLock(&lock->nsl_spinlock, lock->nsl_kirql); return(entry); } __stdcall static list_entry * NdisInterlockedInsertTailList(head, entry, lock) list_entry *head; list_entry *entry; ndis_spin_lock *lock; { list_entry *blink; KeAcquireSpinLock(&lock->nsl_spinlock, &lock->nsl_kirql); blink = head->nle_blink; entry->nle_flink = head; entry->nle_blink = blink; blink->nle_flink = entry; head->nle_blink = entry; KeReleaseSpinLock(&lock->nsl_spinlock, lock->nsl_kirql); return(blink); } __stdcall static uint8_t NdisMSynchronizeWithInterrupt(intr, syncfunc, syncctx) ndis_miniport_interrupt *intr; void *syncfunc; void *syncctx; { __stdcall uint8_t (*sync)(void *); uint8_t rval; uint8_t irql; if (syncfunc == NULL || syncctx == NULL) return(0); sync = syncfunc; KeAcquireSpinLock(&intr->ni_dpccountlock, &irql); rval = MSCALL1(sync, syncctx); KeReleaseSpinLock(&intr->ni_dpccountlock, irql); return(rval); } /* * Return the number of 100 nanosecond intervals since * January 1, 1601. (?!?!) */ __stdcall static void NdisGetCurrentSystemTime(tval) uint64_t *tval; { struct timespec ts; #ifdef __NetBSD__ struct timeval tv; microtime(&tv); TIMEVAL_TO_TIMESPEC(&tv,&ts); #else nanotime(&ts); #endif *tval = (uint64_t)ts.tv_nsec / 100 + (uint64_t)ts.tv_sec * 10000000 + (uint64_t)11644473600ULL; return; } /* * Return the number of milliseconds since the system booted. */ __stdcall static void NdisGetSystemUpTime(tval) uint32_t *tval; { *tval = (ticks * hz) / 1000; return; } __stdcall static void NdisInitializeString(dst, src) ndis_unicode_string *dst; char *src; { ndis_unicode_string *u; u = dst; u->us_buf = NULL; if (ndis_ascii_to_unicode(src, &u->us_buf)) return; u->us_len = u->us_maxlen = strlen(src) * 2; return; } __stdcall static void NdisFreeString(str) ndis_unicode_string *str; { if (str == NULL) return; if (str->us_buf != NULL) free(str->us_buf, M_DEVBUF); free(str, M_DEVBUF); return; } __stdcall static ndis_status NdisMRemoveMiniport(ndis_handle *adapter) { return(NDIS_STATUS_SUCCESS); } __stdcall static void NdisInitAnsiString(dst, src) ndis_ansi_string *dst; char *src; { ndis_ansi_string *a; a = dst; if (a == NULL) return; if (src == NULL) { a->nas_len = a->nas_maxlen = 0; a->nas_buf = NULL; } else { a->nas_buf = src; a->nas_len = a->nas_maxlen = strlen(src); } return; } __stdcall static void NdisInitUnicodeString(dst, src) ndis_unicode_string *dst; uint16_t *src; { ndis_unicode_string *u; int i; u = dst; if (u == NULL) return; if (src == NULL) { u->us_len = u->us_maxlen = 0; u->us_buf = NULL; } else { i = 0; while(src[i] != 0) i++; u->us_buf = src; u->us_len = u->us_maxlen = i * 2; } return; } __stdcall static void NdisMGetDeviceProperty( ndis_handle adapter, device_object **phydevobj, device_object **funcdevobj, device_object **nextdevobj, cm_resource_list *resources, cm_resource_list *transresources) { ndis_miniport_block *block; block = (ndis_miniport_block *)adapter; if (phydevobj != NULL) *phydevobj = block->nmb_physdeviceobj; if (funcdevobj != NULL) *funcdevobj = block->nmb_deviceobj; if (nextdevobj != NULL) *nextdevobj = block->nmb_nextdeviceobj; return; } __stdcall static void NdisGetFirstBufferFromPacket(packet, buf, firstva, firstlen, totlen) ndis_packet *packet; ndis_buffer **buf; void **firstva; uint32_t *firstlen; uint32_t *totlen; { ndis_buffer *tmp; tmp = packet->np_private.npp_head; *buf = tmp; if (tmp == NULL) { *firstva = NULL; *firstlen = *totlen = 0; } else { *firstva = MmGetMdlVirtualAddress(tmp); *firstlen = *totlen = MmGetMdlByteCount(tmp); for (tmp = tmp->mdl_next; tmp != NULL; tmp = tmp->mdl_next) *totlen += MmGetMdlByteCount(tmp); } return; } __stdcall static void NdisGetFirstBufferFromPacketSafe( ndis_packet *packet, ndis_buffer **buf, void **firstva, uint32_t *firstlen, uint32_t *totlen, uint32_t prio) { NdisGetFirstBufferFromPacket(packet, buf, firstva, firstlen, totlen); } #ifdef __FreeBSD__ static int ndis_find_sym(lf, filename, suffix, sym) linker_file_t lf; char *filename; char *suffix; void * *sym; { char *fullsym; char *suf; int i; fullsym = ExAllocatePoolWithTag(NonPagedPool, MAXPATHLEN, 0); if (fullsym == NULL) return(ENOMEM); bzero(fullsym, MAXPATHLEN); strncpy(fullsym, filename, MAXPATHLEN); if (strlen(filename) < 4) { ExFreePool(fullsym); return(EINVAL); } /* If the filename has a .ko suffix, strip if off. */ suf = fullsym + (strlen(filename) - 3); if (strcmp(suf, ".ko") == 0) *suf = '\0'; for (i = 0; i < strlen(fullsym); i++) { if (fullsym[i] == '.') fullsym[i] = '_'; else fullsym[i] = tolower(fullsym[i]); } strcat(fullsym, suffix); *sym = linker_file_lookup_symbol(lf, fullsym, 0); ExFreePool(fullsym); if (*sym == 0) return(ENOENT); return(0); } /* can also return NDIS_STATUS_RESOURCES/NDIS_STATUS_ERROR_READING_FILE */ __stdcall static void NdisOpenFile(status, filehandle, filelength, filename, highestaddr) ndis_status *status; ndis_handle *filehandle; uint32_t *filelength; ndis_unicode_string *filename; ndis_physaddr highestaddr; { char *afilename = NULL; struct thread *td = curthread; struct nameidata nd; int flags, error; struct vattr vat; struct vattr *vap = &vat; ndis_fh *fh; char *path; linker_file_t head, lf; void *kldstart, *kldend; ndis_unicode_to_ascii(filename->us_buf, filename->us_len, &afilename); fh = ExAllocatePoolWithTag(NonPagedPool, sizeof(ndis_fh), 0); if (fh == NULL) { *status = NDIS_STATUS_RESOURCES; return; } /* * During system bootstrap, it's impossible to load files * from the rootfs since it's not mounted yet. We therefore * offer the possibility of opening files that have been * preloaded as modules instead. Both choices will work * when kldloading a module from multiuser, but only the * module option will work during bootstrap. The module * loading option works by using the ndiscvt(8) utility * to convert the arbitrary file into a .ko using objcopy(1). * This file will contain two special symbols: filename_start * and filename_end. All we have to do is traverse the KLD * list in search of those symbols and we've found the file * data. As an added bonus, ndiscvt(8) will also generate * a normal .o file which can be linked statically with * the kernel. This means that the symbols will actual reside * in the kernel's symbol table, but that doesn't matter to * us since the kernel appears to us as just another module. */ /* * This is an evil trick for getting the head of the linked * file list, which is not exported from kern_linker.o. It * happens that linker file #1 is always the kernel, and is * always the first element in the list. */ head = linker_find_file_by_id(1); for (lf = head; lf != NULL; lf = TAILQ_NEXT(lf, link)) { if (ndis_find_sym(lf, afilename, "_start", &kldstart)) continue; if (ndis_find_sym(lf, afilename, "_end", &kldend)) continue; fh->nf_vp = lf; fh->nf_map = NULL; fh->nf_type = NDIS_FH_TYPE_MODULE; *filelength = fh->nf_maplen = (kldend - kldstart) & 0xFFFFFFFF; *filehandle = fh; free(afilename, M_DEVBUF); *status = NDIS_STATUS_SUCCESS; return; } if (TAILQ_EMPTY(&mountlist)) { ExFreePool(fh); *status = NDIS_STATUS_FILE_NOT_FOUND; printf("NDIS: could not find file %s in linker list\n", afilename); printf("NDIS: and no filesystems mounted yet, " "aborting NdisOpenFile()\n"); free(afilename, M_DEVBUF); return; } path = ExAllocatePoolWithTag(NonPagedPool, MAXPATHLEN, 0); if (path == NULL) { ExFreePool(fh); *status = NDIS_STATUS_RESOURCES; return; } snprintf(path, MAXPATHLEN, "%s/%s", ndis_filepath, afilename); free(afilename, M_DEVBUF); mtx_lock(&Giant); /* Some threads don't have a current working directory. */ if (td->td_proc->p_fd->fd_rdir == NULL) td->td_proc->p_fd->fd_rdir = rootvnode; if (td->td_proc->p_fd->fd_cdir == NULL) td->td_proc->p_fd->fd_cdir = rootvnode; NDINIT(&nd, LOOKUP, FOLLOW, UIO_SYSSPACE, path, td); flags = FREAD; error = vn_open(&nd, &flags, 0, -1); if (error) { mtx_unlock(&Giant); *status = NDIS_STATUS_FILE_NOT_FOUND; ExFreePool(fh); printf("NDIS: open file %s failed: %d\n", path, error); ExFreePool(path); return; } ExFreePool(path); NDFREE(&nd, NDF_ONLY_PNBUF); /* Get the file size. */ VOP_GETATTR(nd.ni_vp, vap, td->td_ucred, td); VOP_UNLOCK(nd.ni_vp, 0, td); mtx_unlock(&Giant); fh->nf_vp = nd.ni_vp; fh->nf_map = NULL; fh->nf_type = NDIS_FH_TYPE_VFS; *filehandle = fh; *filelength = fh->nf_maplen = vap->va_size & 0xFFFFFFFF; *status = NDIS_STATUS_SUCCESS; return; } __stdcall static void NdisMapFile(status, mappedbuffer, filehandle) ndis_status *status; void **mappedbuffer; ndis_handle filehandle; { ndis_fh *fh; struct thread *td = curthread; linker_file_t lf; void * kldstart; int error, resid; if (filehandle == NULL) { *status = NDIS_STATUS_FAILURE; return; } fh = (ndis_fh *)filehandle; if (fh->nf_vp == NULL) { *status = NDIS_STATUS_FAILURE; return; } if (fh->nf_map != NULL) { *status = NDIS_STATUS_ALREADY_MAPPED; return; } if (fh->nf_type == NDIS_FH_TYPE_MODULE) { lf = fh->nf_vp; if (ndis_find_sym(lf, lf->filename, "_start", &kldstart)) { *status = NDIS_STATUS_FAILURE; return; } fh->nf_map = kldstart; *status = NDIS_STATUS_SUCCESS; *mappedbuffer = fh->nf_map; return; } fh->nf_map = ExAllocatePoolWithTag(NonPagedPool, fh->nf_maplen, 0); if (fh->nf_map == NULL) { *status = NDIS_STATUS_RESOURCES; return; } mtx_lock(&Giant); error = vn_rdwr(UIO_READ, fh->nf_vp, fh->nf_map, fh->nf_maplen, 0, UIO_SYSSPACE, 0, td->td_ucred, NOCRED, &resid, td); mtx_unlock(&Giant); if (error) *status = NDIS_STATUS_FAILURE; else { *status = NDIS_STATUS_SUCCESS; *mappedbuffer = fh->nf_map; } return; } __stdcall static void NdisUnmapFile(filehandle) ndis_handle filehandle; { ndis_fh *fh; fh = (ndis_fh *)filehandle; if (fh->nf_map == NULL) return; if (fh->nf_type == NDIS_FH_TYPE_VFS) ExFreePool(fh->nf_map); fh->nf_map = NULL; return; } __stdcall static void NdisCloseFile(filehandle) ndis_handle filehandle; { struct thread *td = curthread; ndis_fh *fh; if (filehandle == NULL) return; fh = (ndis_fh *)filehandle; if (fh->nf_map != NULL) { if (fh->nf_type == NDIS_FH_TYPE_VFS) ExFreePool(fh->nf_map); fh->nf_map = NULL; } if (fh->nf_vp == NULL) return; if (fh->nf_type == NDIS_FH_TYPE_VFS) { mtx_lock(&Giant); vn_close(fh->nf_vp, FREAD, td->td_ucred, td); mtx_unlock(&Giant); } fh->nf_vp = NULL; ExFreePool(fh); return; } #endif /* __FreeBSD__ */ __stdcall static uint8_t NdisSystemProcessorCount() { #ifdef __FreeBSD__ return(mp_ncpus); #else return(nprocs); #endif } typedef void (*ndis_statusdone_handler)(ndis_handle); typedef void (*ndis_status_handler)(ndis_handle, ndis_status, void *, uint32_t); __stdcall static void NdisMIndicateStatusComplete(adapter) ndis_handle adapter; { ndis_miniport_block *block; __stdcall ndis_statusdone_handler statusdonefunc; block = (ndis_miniport_block *)adapter; statusdonefunc = block->nmb_statusdone_func; MSCALL1(statusdonefunc, adapter); return; } __stdcall static void NdisMIndicateStatus(adapter, status, sbuf, slen) ndis_handle adapter; ndis_status status; void *sbuf; uint32_t slen; { ndis_miniport_block *block; __stdcall ndis_status_handler statusfunc; block = (ndis_miniport_block *)adapter; statusfunc = block->nmb_status_func; MSCALL4(statusfunc, adapter, status, sbuf, slen); return; } static void ndis_workfunc(ctx) void *ctx; { ndis_work_item *work; __stdcall ndis_proc workfunc; work = ctx; workfunc = work->nwi_func; MSCALL2(workfunc, work, work->nwi_ctx); return; } __stdcall static ndis_status NdisScheduleWorkItem(work) ndis_work_item *work; { ndis_sched(ndis_workfunc, work, NDIS_TASKQUEUE); return(NDIS_STATUS_SUCCESS); } __stdcall static void NdisCopyFromPacketToPacket(dpkt, doff, reqlen, spkt, soff, cpylen) ndis_packet *dpkt; uint32_t doff; uint32_t reqlen; ndis_packet *spkt; uint32_t soff; uint32_t *cpylen; { ndis_buffer *src, *dst; char *sptr, *dptr; int resid, copied, len, scnt, dcnt; *cpylen = 0; src = spkt->np_private.npp_head; dst = dpkt->np_private.npp_head; sptr = MmGetMdlVirtualAddress(src); dptr = MmGetMdlVirtualAddress(dst); scnt = MmGetMdlByteCount(src); dcnt = MmGetMdlByteCount(dst); while (soff) { if (MmGetMdlByteCount(src) > soff) { sptr += soff; scnt = MmGetMdlByteCount(src)- soff; break; } soff -= MmGetMdlByteCount(src); src = src->mdl_next; if (src == NULL) return; sptr = MmGetMdlVirtualAddress(src); } while (doff) { if (MmGetMdlByteCount(dst) > doff) { dptr += doff; dcnt = MmGetMdlByteCount(dst) - doff; break; } doff -= MmGetMdlByteCount(dst); dst = dst->mdl_next; if (dst == NULL) return; dptr = MmGetMdlVirtualAddress(dst); } resid = reqlen; copied = 0; while(1) { if (resid < scnt) len = resid; else len = scnt; if (dcnt < len) len = dcnt; bcopy(sptr, dptr, len); copied += len; resid -= len; if (resid == 0) break; dcnt -= len; if (dcnt == 0) { dst = dst->mdl_next; if (dst == NULL) break; dptr = MmGetMdlVirtualAddress(dst); dcnt = MmGetMdlByteCount(dst); } scnt -= len; if (scnt == 0) { src = src->mdl_next; if (src == NULL) break; sptr = MmGetMdlVirtualAddress(src); scnt = MmGetMdlByteCount(src); } } *cpylen = copied; return; } __stdcall static void NdisCopyFromPacketToPacketSafe( ndis_packet *dpkt, uint32_t doff, uint32_t reqlen, ndis_packet *spkt, uint32_t soff, uint32_t *cpylen, uint32_t prio) { NdisCopyFromPacketToPacket(dpkt, doff, reqlen, spkt, soff, cpylen); return; } __stdcall static ndis_status NdisMRegisterDevice( ndis_handle handle, ndis_unicode_string *devname, ndis_unicode_string *symname, driver_dispatch *majorfuncs[], void **devobj, ndis_handle *devhandle) { ndis_miniport_block *block; block = (ndis_miniport_block *)handle; *devobj = block->nmb_deviceobj; *devhandle = handle; return(NDIS_STATUS_SUCCESS); } __stdcall static ndis_status NdisMDeregisterDevice(ndis_handle handle) { return(NDIS_STATUS_SUCCESS); } __stdcall static ndis_status NdisMQueryAdapterInstanceName(name, handle) ndis_unicode_string *name; ndis_handle handle; { ndis_miniport_block *block; device_t dev; block = (ndis_miniport_block *)handle; dev = block->nmb_physdeviceobj->do_devext; ndis_ascii_to_unicode(__DECONST(char *, device_get_nameunit(dev)), &name->us_buf); name->us_len = strlen(device_get_nameunit(dev)) * 2; return(NDIS_STATUS_SUCCESS); } __stdcall static void NdisMRegisterUnloadHandler( ndis_handle handle, void *func) { return; } __stdcall static void dummy() { printf ("NDIS dummy called...\n"); return; } image_patch_table ndis_functbl[] = { IMPORT_FUNC(NdisCopyFromPacketToPacket), IMPORT_FUNC(NdisCopyFromPacketToPacketSafe), IMPORT_FUNC(NdisScheduleWorkItem), IMPORT_FUNC(NdisMIndicateStatusComplete), IMPORT_FUNC(NdisMIndicateStatus), IMPORT_FUNC(NdisSystemProcessorCount), IMPORT_FUNC(NdisUnchainBufferAtBack), IMPORT_FUNC(NdisGetFirstBufferFromPacket), IMPORT_FUNC(NdisGetFirstBufferFromPacketSafe), IMPORT_FUNC(NdisGetBufferPhysicalArraySize), IMPORT_FUNC(NdisMGetDeviceProperty), IMPORT_FUNC(NdisInitAnsiString), IMPORT_FUNC(NdisInitUnicodeString), IMPORT_FUNC(NdisWriteConfiguration), IMPORT_FUNC(NdisAnsiStringToUnicodeString), IMPORT_FUNC(NdisTerminateWrapper), IMPORT_FUNC(NdisOpenConfigurationKeyByName), IMPORT_FUNC(NdisOpenConfigurationKeyByIndex), IMPORT_FUNC(NdisMRemoveMiniport), IMPORT_FUNC(NdisInitializeString), IMPORT_FUNC(NdisFreeString), IMPORT_FUNC(NdisGetCurrentSystemTime), IMPORT_FUNC(NdisGetSystemUpTime), IMPORT_FUNC(NdisMSynchronizeWithInterrupt), IMPORT_FUNC(NdisMAllocateSharedMemoryAsync), IMPORT_FUNC(NdisInterlockedInsertHeadList), IMPORT_FUNC(NdisInterlockedInsertTailList), IMPORT_FUNC(NdisInterlockedRemoveHeadList), IMPORT_FUNC(NdisInitializeWrapper), IMPORT_FUNC(NdisMRegisterMiniport), IMPORT_FUNC(NdisAllocateMemoryWithTag), IMPORT_FUNC(NdisAllocateMemory), IMPORT_FUNC(NdisMSetAttributesEx), IMPORT_FUNC(NdisCloseConfiguration), IMPORT_FUNC(NdisReadConfiguration), IMPORT_FUNC(NdisOpenConfiguration), IMPORT_FUNC(NdisAcquireSpinLock), IMPORT_FUNC(NdisReleaseSpinLock), IMPORT_FUNC(NdisDprAcquireSpinLock), IMPORT_FUNC(NdisDprReleaseSpinLock), IMPORT_FUNC(NdisAllocateSpinLock), IMPORT_FUNC(NdisFreeSpinLock), IMPORT_FUNC(NdisFreeMemory), IMPORT_FUNC(NdisReadPciSlotInformation), IMPORT_FUNC(NdisWritePciSlotInformation), IMPORT_FUNC_MAP(NdisImmediateReadPciSlotInformation, NdisReadPciSlotInformation), IMPORT_FUNC_MAP(NdisImmediateWritePciSlotInformation, NdisWritePciSlotInformation), IMPORT_FUNC(NdisWriteErrorLogEntry), IMPORT_FUNC(NdisMStartBufferPhysicalMapping), IMPORT_FUNC(NdisMCompleteBufferPhysicalMapping), IMPORT_FUNC(NdisMInitializeTimer), IMPORT_FUNC(NdisInitializeTimer), IMPORT_FUNC(NdisSetTimer), IMPORT_FUNC(NdisMCancelTimer), IMPORT_FUNC_MAP(NdisCancelTimer, NdisMCancelTimer), IMPORT_FUNC(NdisMSetPeriodicTimer), IMPORT_FUNC(NdisMQueryAdapterResources), IMPORT_FUNC(NdisMRegisterIoPortRange), IMPORT_FUNC(NdisMDeregisterIoPortRange), IMPORT_FUNC(NdisReadNetworkAddress), IMPORT_FUNC(NdisQueryMapRegisterCount), IMPORT_FUNC(NdisMAllocateMapRegisters), IMPORT_FUNC(NdisMFreeMapRegisters), IMPORT_FUNC(NdisMAllocateSharedMemory), IMPORT_FUNC(NdisMMapIoSpace), IMPORT_FUNC(NdisMUnmapIoSpace), IMPORT_FUNC(NdisGetCacheFillSize), IMPORT_FUNC(NdisMGetDmaAlignment), IMPORT_FUNC(NdisMInitializeScatterGatherDma), IMPORT_FUNC(NdisAllocatePacketPool), IMPORT_FUNC(NdisAllocatePacketPoolEx), IMPORT_FUNC(NdisAllocatePacket), IMPORT_FUNC(NdisFreePacket), IMPORT_FUNC(NdisFreePacketPool), IMPORT_FUNC_MAP(NdisDprAllocatePacket, NdisAllocatePacket), IMPORT_FUNC_MAP(NdisDprFreePacket, NdisFreePacket), IMPORT_FUNC(NdisAllocateBufferPool), IMPORT_FUNC(NdisAllocateBuffer), IMPORT_FUNC(NdisQueryBuffer), IMPORT_FUNC(NdisQueryBufferSafe), IMPORT_FUNC(NdisBufferVirtualAddress), IMPORT_FUNC(NdisBufferVirtualAddressSafe), IMPORT_FUNC(NdisBufferLength), IMPORT_FUNC(NdisFreeBuffer), IMPORT_FUNC(NdisFreeBufferPool), IMPORT_FUNC(NdisInterlockedIncrement), IMPORT_FUNC(NdisInterlockedDecrement), IMPORT_FUNC(NdisInitializeEvent), IMPORT_FUNC(NdisSetEvent), IMPORT_FUNC(NdisResetEvent), IMPORT_FUNC(NdisWaitEvent), IMPORT_FUNC(NdisUnicodeStringToAnsiString), IMPORT_FUNC(NdisMPciAssignResources), IMPORT_FUNC(NdisMFreeSharedMemory), IMPORT_FUNC(NdisMRegisterInterrupt), IMPORT_FUNC(NdisMDeregisterInterrupt), IMPORT_FUNC(NdisMRegisterAdapterShutdownHandler), IMPORT_FUNC(NdisMDeregisterAdapterShutdownHandler), IMPORT_FUNC(NDIS_BUFFER_TO_SPAN_PAGES), IMPORT_FUNC(NdisQueryBufferOffset), IMPORT_FUNC(NdisAdjustBufferLength), IMPORT_FUNC(NdisPacketPoolUsage), IMPORT_FUNC(NdisMSleep), IMPORT_FUNC(NdisUnchainBufferAtFront), IMPORT_FUNC(NdisReadPcmciaAttributeMemory), IMPORT_FUNC(NdisWritePcmciaAttributeMemory), #ifdef __FreeBSD__ IMPORT_FUNC(NdisOpenFile), IMPORT_FUNC(NdisMapFile), IMPORT_FUNC(NdisUnmapFile), IMPORT_FUNC(NdisCloseFile), #endif IMPORT_FUNC(NdisMRegisterDevice), IMPORT_FUNC(NdisMDeregisterDevice), IMPORT_FUNC(NdisMQueryAdapterInstanceName), IMPORT_FUNC(NdisMRegisterUnloadHandler), IMPORT_FUNC(ndis_timercall), /* * This last entry is a catch-all for any function we haven't * implemented yet. The PE import list patching routine will * use it for any function that doesn't have an explicit match * in this table. */ { NULL, (FUNC)dummy, NULL }, /* End of list. */ { NULL, NULL, NULL } };