/*- * 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 __FBSDID("$FreeBSD$"); /* * 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. */ #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #define FUNC void(*)(void) static char ndis_filepath[MAXPATHLEN]; extern struct nd_head ndis_devhead; SYSCTL_STRING(_hw, OID_AUTO, ndis_filepath, CTLFLAG_RW, ndis_filepath, MAXPATHLEN, "Path used by NdisOpenFile() to search for files"); __stdcall static void ndis_initwrap(ndis_handle *, device_object *, void *, void *); __stdcall static ndis_status ndis_register_miniport(ndis_handle, ndis_miniport_characteristics *, int); __stdcall static ndis_status ndis_malloc_withtag(void **, uint32_t, uint32_t); __stdcall static ndis_status ndis_malloc(void **, uint32_t, uint32_t, ndis_physaddr); __stdcall static void ndis_free(void *, uint32_t, uint32_t); __stdcall static ndis_status ndis_setattr_ex(ndis_handle, ndis_handle, uint32_t, uint32_t, ndis_interface_type); __stdcall static void ndis_open_cfg(ndis_status *, ndis_handle *, ndis_handle); __stdcall static void ndis_open_cfgbyidx(ndis_status *, ndis_handle, uint32_t, ndis_unicode_string *, ndis_handle *); __stdcall static void ndis_open_cfgbyname(ndis_status *, ndis_handle, ndis_unicode_string *, ndis_handle *); 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 *); __stdcall static void ndis_read_cfg(ndis_status *, ndis_config_parm **, ndis_handle, ndis_unicode_string *, ndis_parm_type); __stdcall static void ndis_write_cfg(ndis_status *, ndis_handle, ndis_unicode_string *, ndis_config_parm *); __stdcall static void ndis_close_cfg(ndis_handle); __stdcall static void ndis_create_lock(ndis_spin_lock *); __stdcall static void ndis_destroy_lock(ndis_spin_lock *); __stdcall static void ndis_lock(ndis_spin_lock *); __stdcall static void ndis_unlock(ndis_spin_lock *); __stdcall static void ndis_lock_dpr(ndis_spin_lock *); __stdcall static void ndis_unlock_dpr(ndis_spin_lock *); __stdcall static uint32_t ndis_read_pci(ndis_handle, uint32_t, uint32_t, void *, uint32_t); __stdcall static uint32_t ndis_write_pci(ndis_handle, uint32_t, uint32_t, void *, uint32_t); static void ndis_syslog(ndis_handle, ndis_error_code, uint32_t, ...); static void ndis_map_cb(void *, bus_dma_segment_t *, int, int); __stdcall static void ndis_vtophys_load(ndis_handle, ndis_buffer *, uint32_t, uint8_t, ndis_paddr_unit *, uint32_t *); __stdcall static void ndis_vtophys_unload(ndis_handle, ndis_buffer *, uint32_t); __stdcall static void ndis_create_timer(ndis_miniport_timer *, ndis_handle, ndis_timer_function, void *); __stdcall static void ndis_init_timer(ndis_timer *, ndis_timer_function, void *); __stdcall static void ndis_set_timer(ndis_timer *, uint32_t); __stdcall static void ndis_set_periodic_timer(ndis_miniport_timer *, uint32_t); __stdcall static void ndis_cancel_timer(ndis_timer *, uint8_t *); __stdcall static void ndis_query_resources(ndis_status *, ndis_handle, ndis_resource_list *, uint32_t *); __stdcall static ndis_status ndis_register_ioport(void **, ndis_handle, uint32_t, uint32_t); __stdcall static void ndis_deregister_ioport(ndis_handle, uint32_t, uint32_t, void *); __stdcall static void ndis_read_netaddr(ndis_status *, void **, uint32_t *, ndis_handle); __stdcall static ndis_status ndis_mapreg_cnt(uint32_t, uint32_t *); __stdcall static ndis_status ndis_alloc_mapreg(ndis_handle, uint32_t, uint8_t, uint32_t, uint32_t); __stdcall static void ndis_free_mapreg(ndis_handle); static void ndis_mapshared_cb(void *, bus_dma_segment_t *, int, int); __stdcall static void ndis_alloc_sharedmem(ndis_handle, uint32_t, uint8_t, void **, ndis_physaddr *); static void ndis_asyncmem_complete(void *); __stdcall static ndis_status ndis_alloc_sharedmem_async(ndis_handle, uint32_t, uint8_t, void *); __stdcall static void ndis_free_sharedmem(ndis_handle, uint32_t, uint8_t, void *, ndis_physaddr); __stdcall static ndis_status ndis_map_iospace(void **, ndis_handle, ndis_physaddr, uint32_t); __stdcall static void ndis_unmap_iospace(ndis_handle, void *, uint32_t); __stdcall static uint32_t ndis_cachefill(void); __stdcall static uint32_t ndis_dma_align(ndis_handle); __stdcall static ndis_status ndis_init_sc_dma(ndis_handle, uint8_t, uint32_t); __stdcall static void ndis_alloc_packetpool(ndis_status *, ndis_handle *, uint32_t, uint32_t); __stdcall static void ndis_ex_alloc_packetpool(ndis_status *, ndis_handle *, uint32_t, uint32_t, uint32_t); __stdcall static uint32_t ndis_packetpool_use(ndis_handle); __stdcall static void ndis_free_packetpool(ndis_handle); __stdcall static void ndis_alloc_packet(ndis_status *, ndis_packet **, ndis_handle); __stdcall static void ndis_release_packet(ndis_packet *); __stdcall static void ndis_unchain_headbuf(ndis_packet *, ndis_buffer **); __stdcall static void ndis_unchain_tailbuf(ndis_packet *, ndis_buffer **); __stdcall static void ndis_alloc_bufpool(ndis_status *, ndis_handle *, uint32_t); __stdcall static void ndis_free_bufpool(ndis_handle); __stdcall static void ndis_alloc_buf(ndis_status *, ndis_buffer **, ndis_handle, void *, uint32_t); __stdcall static void ndis_release_buf(ndis_buffer *); __stdcall static uint32_t ndis_buflen(ndis_buffer *); __stdcall static void ndis_query_buf(ndis_buffer *, void **, uint32_t *); __stdcall static void ndis_query_buf_safe(ndis_buffer *, void **, uint32_t *, uint32_t); __stdcall static void *ndis_buf_vaddr(ndis_buffer *); __stdcall static void *ndis_buf_vaddr_safe(ndis_buffer *, uint32_t); __stdcall static void ndis_adjust_buflen(ndis_buffer *, int); __stdcall static uint32_t ndis_interlock_inc(uint32_t *); __stdcall static uint32_t ndis_interlock_dec(uint32_t *); __stdcall static void ndis_init_event(ndis_event *); __stdcall static void ndis_set_event(ndis_event *); __stdcall static void ndis_reset_event(ndis_event *); __stdcall static uint8_t ndis_wait_event(ndis_event *, uint32_t); __stdcall static ndis_status ndis_unicode2ansi(ndis_ansi_string *, ndis_unicode_string *); __stdcall static ndis_status ndis_ansi2unicode(ndis_unicode_string *, ndis_ansi_string *); __stdcall static ndis_status ndis_assign_pcirsrc(ndis_handle, uint32_t, ndis_resource_list **); __stdcall static ndis_status ndis_register_intr(ndis_miniport_interrupt *, ndis_handle, uint32_t, uint32_t, uint8_t, uint8_t, ndis_interrupt_mode); __stdcall static void ndis_deregister_intr(ndis_miniport_interrupt *); __stdcall static void ndis_register_shutdown(ndis_handle, void *, ndis_shutdown_handler); __stdcall static void ndis_deregister_shutdown(ndis_handle); __stdcall static uint32_t ndis_numpages(ndis_buffer *); __stdcall static void ndis_buf_physpages(ndis_buffer *, uint32_t *); __stdcall static void ndis_query_bufoffset(ndis_buffer *, uint32_t *, uint32_t *); __stdcall static void ndis_sleep(uint32_t); __stdcall static uint32_t ndis_read_pccard_amem(ndis_handle, uint32_t, void *, uint32_t); __stdcall static uint32_t ndis_write_pccard_amem(ndis_handle, uint32_t, void *, uint32_t); __stdcall static list_entry *ndis_insert_head(list_entry *, list_entry *, ndis_spin_lock *); __stdcall static list_entry *ndis_remove_head(list_entry *, ndis_spin_lock *); __stdcall static list_entry *ndis_insert_tail(list_entry *, list_entry *, ndis_spin_lock *); __stdcall static uint8_t ndis_sync_with_intr(ndis_miniport_interrupt *, void *, void *); __stdcall static void ndis_time(uint64_t *); __stdcall static void ndis_uptime(uint32_t *); __stdcall static void ndis_init_string(ndis_unicode_string *, char *); __stdcall static void ndis_init_ansi_string(ndis_ansi_string *, char *); __stdcall static void ndis_init_unicode_string(ndis_unicode_string *, uint16_t *); __stdcall static void ndis_free_string(ndis_unicode_string *); __stdcall static ndis_status ndis_remove_miniport(ndis_handle *); __stdcall static void ndis_termwrap(ndis_handle, void *); __stdcall static void ndis_get_devprop(ndis_handle, device_object **, device_object **, device_object **, cm_resource_list *, cm_resource_list *); __stdcall static void ndis_firstbuf(ndis_packet *, ndis_buffer **, void **, uint32_t *, uint32_t *); __stdcall static void ndis_firstbuf_safe(ndis_packet *, ndis_buffer **, void **, uint32_t *, uint32_t *, uint32_t); static int ndis_find_sym(linker_file_t, char *, char *, caddr_t *); __stdcall static void ndis_open_file(ndis_status *, ndis_handle *, uint32_t *, ndis_unicode_string *, ndis_physaddr); __stdcall static void ndis_map_file(ndis_status *, void **, ndis_handle); __stdcall static void ndis_unmap_file(ndis_handle); __stdcall static void ndis_close_file(ndis_handle); __stdcall static u_int8_t ndis_cpu_cnt(void); __stdcall static void ndis_ind_statusdone(ndis_handle); __stdcall static void ndis_ind_status(ndis_handle, ndis_status, void *, uint32_t); static void ndis_workfunc(void *); __stdcall static ndis_status ndis_sched_workitem(ndis_work_item *); __stdcall static void ndis_pkt_to_pkt(ndis_packet *, uint32_t, uint32_t, ndis_packet *, uint32_t, uint32_t *); __stdcall static void ndis_pkt_to_pkt_safe(ndis_packet *, uint32_t, uint32_t, ndis_packet *, uint32_t, uint32_t *, uint32_t); __stdcall static ndis_status ndis_register_dev(ndis_handle, ndis_unicode_string *, ndis_unicode_string *, driver_dispatch **, void **, ndis_handle *); __stdcall static ndis_status ndis_deregister_dev(ndis_handle); __stdcall static ndis_status ndis_query_name(ndis_unicode_string *, ndis_handle); __stdcall static void ndis_register_unload(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() { strcpy(ndis_filepath, "/compat/ndis"); return(0); } int ndis_libfini() { return(0); } /* * 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) char *ascii; uint16_t **unicode; { uint16_t *ustr; int i; if (*unicode == NULL) *unicode = malloc(strlen(ascii) * 2, M_DEVBUF, M_WAITOK); 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_WAITOK|M_ZERO); if (*ascii == NULL) return(ENOMEM); astr = *ascii; for (i = 0; i < ulen / 2; i++) { *astr = (uint8_t)unicode[i]; astr++; } return(0); } __stdcall static void ndis_initwrap(wrapper, drv_obj, path, unused) ndis_handle *wrapper; device_object *drv_obj; void *path; void *unused; { ndis_miniport_block *block; block = drv_obj->do_rsvd; *wrapper = block; return; } __stdcall static void ndis_termwrap(handle, syspec) ndis_handle handle; void *syspec; { return; } __stdcall static ndis_status ndis_register_miniport(handle, characteristics, len) ndis_handle handle; ndis_miniport_characteristics *characteristics; int len; { ndis_miniport_block *block; struct ndis_softc *sc; block = (ndis_miniport_block *)handle; sc = (struct ndis_softc *)block->nmb_ifp; bcopy((char *)characteristics, (char *)&sc->ndis_chars, sizeof(ndis_miniport_characteristics)); if (sc->ndis_chars.nmc_version_major < 5 || sc->ndis_chars.nmc_version_minor < 1) { sc->ndis_chars.nmc_shutdown_handler = NULL; sc->ndis_chars.nmc_canceltxpkts_handler = NULL; sc->ndis_chars.nmc_pnpevent_handler = NULL; } return(NDIS_STATUS_SUCCESS); } __stdcall static ndis_status ndis_malloc_withtag(vaddr, len, tag) void **vaddr; uint32_t len; uint32_t tag; { void *mem; mem = malloc(len, M_DEVBUF, M_NOWAIT); if (mem == NULL) return(NDIS_STATUS_RESOURCES); *vaddr = mem; return(NDIS_STATUS_SUCCESS); } __stdcall static ndis_status ndis_malloc(vaddr, len, flags, highaddr) void **vaddr; uint32_t len; uint32_t flags; ndis_physaddr highaddr; { void *mem; mem = malloc(len, M_DEVBUF, M_NOWAIT); if (mem == NULL) return(NDIS_STATUS_RESOURCES); *vaddr = mem; return(NDIS_STATUS_SUCCESS); } __stdcall static void ndis_free(vaddr, len, flags) void *vaddr; uint32_t len; uint32_t flags; { if (len == 0) return; free(vaddr, M_DEVBUF); return; } __stdcall static ndis_status ndis_setattr_ex(adapter_handle, adapter_ctx, hangsecs, flags, iftype) ndis_handle adapter_handle; ndis_handle adapter_ctx; uint32_t hangsecs; uint32_t flags; ndis_interface_type iftype; { ndis_miniport_block *block; /* * 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 ndis_open_cfg(status, cfg, wrapctx) ndis_status *status; ndis_handle *cfg; ndis_handle wrapctx; { *cfg = wrapctx; *status = NDIS_STATUS_SUCCESS; return; } __stdcall static void ndis_open_cfgbyname(status, cfg, subkey, subhandle) ndis_status *status; ndis_handle cfg; ndis_unicode_string *subkey; ndis_handle *subhandle; { *subhandle = cfg; *status = NDIS_STATUS_SUCCESS; return; } __stdcall static void ndis_open_cfgbyidx(status, cfg, idx, subkey, subhandle) ndis_status *status; ndis_handle cfg; uint32_t idx; ndis_unicode_string *subkey; ndis_handle *subhandle; { *status = NDIS_STATUS_FAILURE; return; } static ndis_status ndis_encode_parm(block, oid, type, parm) ndis_miniport_block *block; struct sysctl_oid *oid; ndis_parm_type type; ndis_config_parm **parm; { uint16_t *unicode; ndis_unicode_string *ustr; int base = 0; unicode = (uint16_t *)&block->nmb_dummybuf; switch(type) { case ndis_parm_string: ndis_ascii_to_unicode((char *)oid->oid_arg1, &unicode); (*parm)->ncp_type = ndis_parm_string; ustr = &(*parm)->ncp_parmdata.ncp_stringdata; ustr->nus_len = strlen((char *)oid->oid_arg1) * 2; ustr->nus_buf = unicode; break; case ndis_parm_int: if (strncmp((char *)oid->oid_arg1, "0x", 2) == 0) base = 16; else base = 10; (*parm)->ncp_type = ndis_parm_int; (*parm)->ncp_parmdata.ncp_intdata = strtol((char *)oid->oid_arg1, NULL, base); break; case ndis_parm_hexint: if (strncmp((char *)oid->oid_arg1, "0x", 2) == 0) base = 16; else base = 10; (*parm)->ncp_type = ndis_parm_hexint; (*parm)->ncp_parmdata.ncp_intdata = strtoul((char *)oid->oid_arg1, NULL, base); 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 ndis_read_cfg(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; struct sysctl_oid *oidp; struct sysctl_ctx_entry *e; block = (ndis_miniport_block *)cfg; sc = (struct ndis_softc *)block->nmb_ifp; if (key->nus_len == 0 || key->nus_buf == NULL) { *status = NDIS_STATUS_FAILURE; return; } ndis_unicode_to_ascii(key->nus_buf, key->nus_len, &keystr); *parm = &block->nmb_replyparm; bzero((char *)&block->nmb_replyparm, sizeof(ndis_config_parm)); unicode = (uint16_t *)&block->nmb_dummybuf; /* * See if registry key is already in a list of known keys * included with the driver. */ #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; if (ndis_strcasecmp(oidp->oid_name, keystr) == 0) { 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; } } /* * 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; } 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; switch(parm->ncp_type) { case ndis_parm_string: ustr = &parm->ncp_parmdata.ncp_stringdata; ndis_unicode_to_ascii(ustr->nus_buf, ustr->nus_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); } __stdcall static void ndis_write_cfg(status, cfg, key, parm) ndis_status *status; ndis_handle cfg; ndis_unicode_string *key; ndis_config_parm *parm; { 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; sc = (struct ndis_softc *)block->nmb_ifp; ndis_unicode_to_ascii(key->nus_buf, key->nus_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 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; } __stdcall static void ndis_close_cfg(cfg) ndis_handle cfg; { return; } /* * Initialize a Windows spinlock. */ __stdcall static void ndis_create_lock(lock) ndis_spin_lock *lock; { lock->nsl_spinlock = 0; 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 ndis_destroy_lock(lock) ndis_spin_lock *lock; { #ifdef notdef lock->nsl_spinlock = 0; lock->nsl_kirql = 0; #endif return; } /* * Acquire a spinlock from IRQL <= DISPATCH_LEVEL. */ __stdcall static void ndis_lock(lock) ndis_spin_lock *lock; { ntoskrnl_acquire_spinlock(&lock->nsl_spinlock, &lock->nsl_kirql); return; } /* * Release a spinlock from IRQL == DISPATCH_LEVEL. */ __stdcall static void ndis_unlock(lock) ndis_spin_lock *lock; { ntoskrnl_release_spinlock(&lock->nsl_spinlock, lock->nsl_kirql); return; } /* * Acquire a spinlock when already running at IRQL == DISPATCH_LEVEL. */ __stdcall static void ndis_lock_dpr(lock) ndis_spin_lock *lock; { FASTCALL1(ntoskrnl_lock_dpc, &lock->nsl_spinlock); return; } /* * Release a spinlock without leaving IRQL == DISPATCH_LEVEL. */ __stdcall static void ndis_unlock_dpr(lock) ndis_spin_lock *lock; { FASTCALL1(ntoskrnl_unlock_dpc, &lock->nsl_spinlock); return; } __stdcall static uint32_t ndis_read_pci(adapter, slot, offset, buf, len) ndis_handle adapter; uint32_t slot; uint32_t offset; void *buf; uint32_t len; { ndis_miniport_block *block; int i; char *dest; block = (ndis_miniport_block *)adapter; dest = buf; if (block == NULL || block->nmb_dev == NULL) return(0); for (i = 0; i < len; i++) dest[i] = pci_read_config(block->nmb_dev, i + offset, 1); return(len); } __stdcall static uint32_t ndis_write_pci(adapter, slot, offset, buf, len) ndis_handle adapter; uint32_t slot; uint32_t offset; void *buf; uint32_t len; { ndis_miniport_block *block; int i; char *dest; block = (ndis_miniport_block *)adapter; dest = buf; if (block == NULL || block->nmb_dev == NULL) return(0); for (i = 0; i < len; i++) pci_write_config(block->nmb_dev, i + offset, dest[i], 1); return(len); } /* * The errorlog routine uses a variable argument list, so we * have to declare it this way. */ #define ERRMSGLEN 512 static void ndis_syslog(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]; block = (ndis_miniport_block *)adapter; error = pe_get_message(block->nmb_img, 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; } device_printf (block->nmb_dev, "NDIS ERROR: %x (%s)\n", code, str == NULL ? "unknown error" : str); device_printf (block->nmb_dev, "NDIS NUMERRORS: %x\n", numerrors); va_start(ap, numerrors); for (i = 0; i < numerrors; i++) device_printf (block->nmb_dev, "argptr: %p\n", 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; 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 ndis_vtophys_load(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; if (adapter == NULL) return; block = (ndis_miniport_block *)adapter; sc = (struct ndis_softc *)(block->nmb_ifp); if (mapreg > sc->ndis_mmapcnt) return; map = sc->ndis_mmaps[mapreg]; nma.nma_fraglist = addrarray; error = bus_dmamap_load(sc->ndis_mtag, map, MDL_VA(buf), buf->nb_bytecount, ndis_map_cb, (void *)&nma, BUS_DMA_NOWAIT); if (error) return; bus_dmamap_sync(sc->ndis_mtag, map, writedev ? BUS_DMASYNC_PREWRITE : BUS_DMASYNC_PREREAD); *arraysize = nma.nma_cnt; return; } __stdcall static void ndis_vtophys_unload(adapter, buf, mapreg) ndis_handle adapter; ndis_buffer *buf; uint32_t mapreg; { ndis_miniport_block *block; struct ndis_softc *sc; bus_dmamap_t map; if (adapter == NULL) return; block = (ndis_miniport_block *)adapter; sc = (struct ndis_softc *)(block->nmb_ifp); if (mapreg > sc->ndis_mmapcnt) return; map = sc->ndis_mmaps[mapreg]; bus_dmamap_sync(sc->ndis_mtag, map, BUS_DMASYNC_POSTREAD|BUS_DMASYNC_POSTWRITE); bus_dmamap_unload(sc->ndis_mtag, map); return; } /* * This is an older pre-miniport timer init routine which doesn't * accept a miniport context handle. The function context (ctx) * is supposed to be a pointer to the adapter handle, which should * have been handed to us via NdisSetAttributesEx(). We use this * function context to track down the corresponding ndis_miniport_block * structure. It's vital that we track down the miniport block structure, * so if we can't do it, we panic. Note that we also play some games * here by treating ndis_timer and ndis_miniport_timer as the same * thing. */ __stdcall static void ndis_init_timer(timer, func, ctx) ndis_timer *timer; ndis_timer_function func; void *ctx; { ntoskrnl_init_timer(&timer->nt_ktimer); ntoskrnl_init_dpc(&timer->nt_kdpc, func, ctx); return; } __stdcall static void ndis_create_timer(timer, handle, func, ctx) ndis_miniport_timer *timer; ndis_handle handle; ndis_timer_function func; void *ctx; { /* Save the funcptr and context */ timer->nmt_timerfunc = func; timer->nmt_timerctx = ctx; timer->nmt_block = handle; ntoskrnl_init_timer(&timer->nmt_ktimer); ntoskrnl_init_dpc(&timer->nmt_kdpc, func, ctx); 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 ndis_set_timer(timer, msecs) ndis_timer *timer; uint32_t msecs; { /* * KeSetTimer() wants the period in * hundred nanosecond intervals. */ ntoskrnl_set_timer(&timer->nt_ktimer, ((int64_t)msecs * -10000), &timer->nt_kdpc); return; } __stdcall static void ndis_set_periodic_timer(timer, msecs) ndis_miniport_timer *timer; uint32_t msecs; { ntoskrnl_set_timer_ex(&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. */ __stdcall static void ndis_cancel_timer(timer, cancelled) ndis_timer *timer; uint8_t *cancelled; { *cancelled = ntoskrnl_cancel_timer(&timer->nt_ktimer); return; } __stdcall static void ndis_query_resources(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; block = (ndis_miniport_block *)adapter; sc = (struct ndis_softc *)block->nmb_ifp; 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; } bcopy((char *)block->nmb_rlist, (char *)list, rsclen); *status = NDIS_STATUS_SUCCESS; return; } __stdcall static ndis_status ndis_register_ioport(offset, adapter, port, numports) void **offset; ndis_handle adapter; uint32_t port; uint32_t numports; { struct ndis_miniport_block *block; struct ndis_softc *sc; if (adapter == NULL) return(NDIS_STATUS_FAILURE); block = (ndis_miniport_block *)adapter; sc = (struct ndis_softc *)(block->nmb_ifp); if (sc->ndis_res_io == NULL) return(NDIS_STATUS_FAILURE); /* Don't let the device map more ports than we have. */ if (rman_get_size(sc->ndis_res_io) < numports) return(NDIS_STATUS_INVALID_LENGTH); *offset = (void *)rman_get_start(sc->ndis_res_io); return(NDIS_STATUS_SUCCESS); } __stdcall static void ndis_deregister_ioport(adapter, port, numports, offset) ndis_handle adapter; uint32_t port; uint32_t numports; void *offset; { return; } __stdcall static void ndis_read_netaddr(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 }; block = (ndis_miniport_block *)adapter; sc = (struct ndis_softc *)block->nmb_ifp; if (bcmp(sc->arpcom.ac_enaddr, empty, ETHER_ADDR_LEN) == 0) *status = NDIS_STATUS_FAILURE; else { *addr = sc->arpcom.ac_enaddr; *addrlen = ETHER_ADDR_LEN; *status = NDIS_STATUS_SUCCESS; } return; } __stdcall static ndis_status ndis_mapreg_cnt(bustype, cnt) uint32_t bustype; uint32_t *cnt; { *cnt = 8192; return(NDIS_STATUS_SUCCESS); } __stdcall static ndis_status ndis_alloc_mapreg(adapter, dmachannel, dmasize, physmapneeded, maxmap) ndis_handle adapter; uint32_t dmachannel; uint8_t dmasize; uint32_t physmapneeded; uint32_t maxmap; { struct ndis_softc *sc; ndis_miniport_block *block; int error, i, nseg = NDIS_MAXSEG; block = (ndis_miniport_block *)adapter; sc = (struct ndis_softc *)block->nmb_ifp; sc->ndis_mmaps = malloc(sizeof(bus_dmamap_t) * physmapneeded, M_DEVBUF, M_NOWAIT|M_ZERO); if (sc->ndis_mmaps == NULL) return(NDIS_STATUS_RESOURCES); 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); } for (i = 0; i < physmapneeded; i++) bus_dmamap_create(sc->ndis_mtag, 0, &sc->ndis_mmaps[i]); sc->ndis_mmapcnt = physmapneeded; return(NDIS_STATUS_SUCCESS); } __stdcall static void ndis_free_mapreg(adapter) ndis_handle adapter; { struct ndis_softc *sc; ndis_miniport_block *block; int i; block = (ndis_miniport_block *)adapter; sc = (struct ndis_softc *)block->nmb_ifp; for (i = 0; i < sc->ndis_mmapcnt; i++) bus_dmamap_destroy(sc->ndis_mtag, sc->ndis_mmaps[i]); free(sc->ndis_mmaps, M_DEVBUF); bus_dma_tag_destroy(sc->ndis_mtag); return; } static void ndis_mapshared_cb(arg, segs, nseg, error) void *arg; bus_dma_segment_t *segs; int nseg; int error; { ndis_physaddr *p; if (error || nseg > 1) return; p = arg; p->np_quad = segs[0].ds_addr; return; } /* * This maps to bus_dmamem_alloc(). */ __stdcall static void ndis_alloc_sharedmem(adapter, len, cached, vaddr, paddr) 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; if (adapter == NULL) return; block = (ndis_miniport_block *)adapter; sc = (struct ndis_softc *)(block->nmb_ifp); 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 * 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. */ 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; } 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; sc = (struct ndis_softc *)(block->nmb_ifp); vaddr = NULL; paddr.np_quad = 0; donefunc = sc->ndis_chars.nmc_allocate_complete_func; ndis_alloc_sharedmem(w->na_adapter, w->na_len, w->na_cached, &vaddr, &paddr); donefunc(w->na_adapter, vaddr, &paddr, w->na_len, w->na_ctx); free(arg, M_DEVBUF); return; } __stdcall static ndis_status ndis_alloc_sharedmem_async(adapter, len, cached, ctx) ndis_handle adapter; uint32_t len; uint8_t cached; void *ctx; { struct ndis_allocwork *w; 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 ndis_free_sharedmem(adapter, len, cached, vaddr, paddr) 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; if (vaddr == NULL || adapter == NULL) return; block = (ndis_miniport_block *)adapter; sc = (struct ndis_softc *)(block->nmb_ifp); sh = prev = sc->ndis_shlist; while (sh) { if (sh->ndis_saddr == vaddr) break; prev = sh; sh = sh->ndis_next; } bus_dmamap_unload(sh->ndis_stag, sh->ndis_smap); bus_dmamem_free(sh->ndis_stag, vaddr, sh->ndis_smap); bus_dma_tag_destroy(sh->ndis_stag); 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 ndis_map_iospace(vaddr, adapter, paddr, len) void **vaddr; ndis_handle adapter; ndis_physaddr paddr; uint32_t len; { ndis_miniport_block *block; struct ndis_softc *sc; if (adapter == NULL) return(NDIS_STATUS_FAILURE); block = (ndis_miniport_block *)adapter; sc = (struct ndis_softc *)(block->nmb_ifp); 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); return(NDIS_STATUS_SUCCESS); } __stdcall static void ndis_unmap_iospace(adapter, vaddr, len) ndis_handle adapter; void *vaddr; uint32_t len; { return; } __stdcall static uint32_t ndis_cachefill(void) { return(128); } __stdcall static uint32_t ndis_dma_align(handle) 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 ndis_init_sc_dma(adapter, is64, maxphysmap) ndis_handle adapter; uint8_t is64; uint32_t maxphysmap; { struct ndis_softc *sc; ndis_miniport_block *block; int error; if (adapter == NULL) return(NDIS_STATUS_FAILURE); block = (ndis_miniport_block *)adapter; sc = (struct ndis_softc *)block->nmb_ifp; /* Don't do this twice. */ if (sc->ndis_sc == 1) return(NDIS_STATUS_SUCCESS); 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); sc->ndis_sc = 1; return(NDIS_STATUS_SUCCESS); } __stdcall static void ndis_alloc_packetpool(status, pool, descnum, protrsvdlen) ndis_status *status; ndis_handle *pool; uint32_t descnum; uint32_t protrsvdlen; { ndis_packet *cur; int i; *pool = malloc(sizeof(ndis_packet) * ((descnum + NDIS_POOL_EXTRA) + 1), M_DEVBUF, M_NOWAIT|M_ZERO); if (*pool == NULL) { *status = NDIS_STATUS_RESOURCES; return; } cur = (ndis_packet *)*pool; 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 static void ndis_ex_alloc_packetpool(status, pool, descnum, oflowdescnum, protrsvdlen) ndis_status *status; ndis_handle *pool; uint32_t descnum; uint32_t oflowdescnum; uint32_t protrsvdlen; { return(ndis_alloc_packetpool(status, pool, descnum + oflowdescnum, protrsvdlen)); } __stdcall static uint32_t ndis_packetpool_use(pool) ndis_handle pool; { ndis_packet *head; head = (ndis_packet *)pool; return(head->np_private.npp_count); } __stdcall static void ndis_free_packetpool(pool) ndis_handle pool; { ndis_packet *head; head = pool; /* Mark this pool as 'going away.' */ head->np_private.npp_totlen = 1; /* If there are no buffers loaned out, destroy the pool. */ if (head->np_private.npp_count == 0) free(pool, M_DEVBUF); else printf("NDIS: buggy driver deleting active packet pool!\n"); return; } __stdcall static void ndis_alloc_packet(status, packet, pool) ndis_status *status; ndis_packet **packet; ndis_handle pool; { ndis_packet *head, *pkt; head = (ndis_packet *)pool; if (head->np_private.npp_flags != 0x1) { *status = NDIS_STATUS_FAILURE; 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; return; } pkt = (ndis_packet *)head->np_private.npp_head; if (pkt == NULL) { *status = NDIS_STATUS_RESOURCES; 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() to work correctly. */ pkt->np_private.npp_ndispktflags = NDIS_PACKET_ALLOCATED_BY_NDIS; *packet = pkt; head->np_private.npp_count++; *status = NDIS_STATUS_SUCCESS; return; } __stdcall static void ndis_release_packet(packet) ndis_packet *packet; { ndis_packet *head; if (packet == NULL || packet->np_private.npp_pool == NULL) return; head = packet->np_private.npp_pool; if (head->np_private.npp_flags != 0x1) 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) free(head, M_DEVBUF); return; } __stdcall static void ndis_unchain_headbuf(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)->nb_next; } return; } __stdcall static void ndis_unchain_tailbuf(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->nb_next != priv->npp_tail) tmp = tmp->nb_next; priv->npp_tail = tmp; tmp->nb_next = NULL; } return; } /* * The NDIS "buffer" manipulation functions are somewhat misnamed. * They don't really allocate buffers: they allocate buffer mappings. * The idea is you reserve a chunk of DMA-able memory using * NdisMAllocateSharedMemory() and then use NdisAllocateBuffer() * to obtain the virtual address of the DMA-able region. * ndis_alloc_bufpool() is analagous to bus_dma_tag_create(). */ __stdcall static void ndis_alloc_bufpool(status, pool, descnum) ndis_status *status; ndis_handle *pool; uint32_t descnum; { ndis_buffer *cur; int i; *pool = malloc(sizeof(ndis_buffer) * ((descnum + NDIS_POOL_EXTRA) + 1), M_DEVBUF, M_NOWAIT|M_ZERO); if (*pool == NULL) { *status = NDIS_STATUS_RESOURCES; return; } cur = (ndis_buffer *)*pool; cur->nb_flags = 0x1; /* mark the head of the list */ cur->nb_bytecount = 0; /* init usage count */ cur->nb_byteoffset = 0; /* init deletetion flag */ for (i = 0; i < (descnum + NDIS_POOL_EXTRA); i++) { cur->nb_next = cur + 1; cur++; } *status = NDIS_STATUS_SUCCESS; return; } __stdcall static void ndis_free_bufpool(pool) ndis_handle pool; { ndis_buffer *head; head = pool; /* Mark this pool as 'going away.' */ head->nb_byteoffset = 1; /* If there are no buffers loaned out, destroy the pool. */ if (head->nb_bytecount == 0) free(pool, M_DEVBUF); else printf("NDIS: buggy driver deleting active buffer pool!\n"); return; } /* * This maps to a bus_dmamap_create() and bus_dmamap_load(). */ __stdcall static void ndis_alloc_buf(status, buffer, pool, vaddr, len) ndis_status *status; ndis_buffer **buffer; ndis_handle pool; void *vaddr; uint32_t len; { ndis_buffer *head, *buf; head = (ndis_buffer *)pool; if (head->nb_flags != 0x1) { *status = NDIS_STATUS_FAILURE; return; } /* * If this pool is marked as 'going away' don't allocate any * more buffers out of it. */ if (head->nb_byteoffset) { *status = NDIS_STATUS_FAILURE; return; } buf = head->nb_next; if (buf == NULL) { *status = NDIS_STATUS_RESOURCES; return; } head->nb_next = buf->nb_next; /* Save pointer to the pool. */ buf->nb_process = head; MDL_INIT(buf, vaddr, len); *buffer = buf; /* Increment count of busy buffers. */ head->nb_bytecount++; *status = NDIS_STATUS_SUCCESS; return; } __stdcall static void ndis_release_buf(buf) ndis_buffer *buf; { ndis_buffer *head; if (buf == NULL || buf->nb_process == NULL) return; head = buf->nb_process; if (head->nb_flags != 0x1) return; buf->nb_next = head->nb_next; head->nb_next = buf; /* Decrement count of busy buffers. */ head->nb_bytecount--; /* * If the pool has been marked for deletion and there are * no more buffers outstanding, nuke the pool. */ if (head->nb_byteoffset && head->nb_bytecount == 0) free(head, M_DEVBUF); return; } /* Aw c'mon. */ __stdcall static uint32_t ndis_buflen(buf) ndis_buffer *buf; { return(buf->nb_bytecount); } /* * Get the virtual address and length of a buffer. * Note: the vaddr argument is optional. */ __stdcall static void ndis_query_buf(buf, vaddr, len) ndis_buffer *buf; void **vaddr; uint32_t *len; { if (vaddr != NULL) *vaddr = MDL_VA(buf); *len = buf->nb_bytecount; return; } /* Same as above -- we don't care about the priority. */ __stdcall static void ndis_query_buf_safe(buf, vaddr, len, prio) ndis_buffer *buf; void **vaddr; uint32_t *len; uint32_t prio; { if (vaddr != NULL) *vaddr = MDL_VA(buf); *len = buf->nb_bytecount; return; } /* Damnit Microsoft!! How many ways can you do the same thing?! */ __stdcall static void * ndis_buf_vaddr(buf) ndis_buffer *buf; { return(MDL_VA(buf)); } __stdcall static void * ndis_buf_vaddr_safe(buf, prio) ndis_buffer *buf; uint32_t prio; { return(MDL_VA(buf)); } __stdcall static void ndis_adjust_buflen(buf, len) ndis_buffer *buf; int len; { buf->nb_bytecount = len; return; } __stdcall static uint32_t ndis_interlock_inc(addend) uint32_t *addend; { atomic_add_long((u_long *)addend, 1); return(*addend); } __stdcall static uint32_t ndis_interlock_dec(addend) uint32_t *addend; { atomic_subtract_long((u_long *)addend, 1); return(*addend); } __stdcall static void ndis_init_event(event) ndis_event *event; { /* * NDIS events are always notification * events, and should be initialized to the * not signaled state. */ ntoskrnl_init_event(&event->ne_event, EVENT_TYPE_NOTIFY, FALSE); return; } __stdcall static void ndis_set_event(event) ndis_event *event; { ntoskrnl_set_event(&event->ne_event, 0, 0); return; } __stdcall static void ndis_reset_event(event) ndis_event *event; { ntoskrnl_reset_event(&event->ne_event); return; } __stdcall static uint8_t ndis_wait_event(event, msecs) ndis_event *event; uint32_t msecs; { int64_t duetime; uint32_t rval; duetime = ((int64_t)msecs * -10000); rval = ntoskrnl_waitforobj((nt_dispatch_header *)event, 0, 0, TRUE, msecs ? &duetime : NULL); if (rval == STATUS_TIMEOUT) return(FALSE); return(TRUE); } __stdcall static ndis_status ndis_unicode2ansi(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->nus_buf, sstr->nus_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 ndis_ansi2unicode(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->nus_buf)) { free(str, M_DEVBUF); return(NDIS_STATUS_FAILURE); } dstr->nus_len = dstr->nus_maxlen = sstr->nas_len * 2; free(str, M_DEVBUF); return (NDIS_STATUS_SUCCESS); } __stdcall static ndis_status ndis_assign_pcirsrc(adapter, slot, list) 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 ndis_register_intr(intr, adapter, ivec, ilevel, reqisr, shared, imode) 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; return(NDIS_STATUS_SUCCESS); } __stdcall static void ndis_deregister_intr(intr) ndis_miniport_interrupt *intr; { return; } __stdcall static void ndis_register_shutdown(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; sc = (struct ndis_softc *)block->nmb_ifp; chars = &sc->ndis_chars; chars->nmc_shutdown_handler = shutdownfunc; chars->nmc_rsvd0 = shutdownctx; return; } __stdcall static void ndis_deregister_shutdown(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; sc = (struct ndis_softc *)block->nmb_ifp; chars = &sc->ndis_chars; chars->nmc_shutdown_handler = NULL; chars->nmc_rsvd0 = NULL; return; } __stdcall static uint32_t ndis_numpages(buf) ndis_buffer *buf; { if (buf == NULL) return(0); if (buf->nb_bytecount == 0) return(1); return(SPAN_PAGES(MDL_VA(buf), buf->nb_bytecount)); } __stdcall static void ndis_buf_physpages(buf, pages) ndis_buffer *buf; uint32_t *pages; { if (buf == NULL) return; *pages = ndis_numpages(buf); return; } __stdcall static void ndis_query_bufoffset(buf, off, len) ndis_buffer *buf; uint32_t *off; uint32_t *len; { if (buf == NULL) return; *off = buf->nb_byteoffset; *len = buf->nb_bytecount; return; } __stdcall static void ndis_sleep(usecs) uint32_t usecs; { struct timeval tv; tv.tv_sec = 0; tv.tv_usec = usecs; ndis_thsuspend(curthread->td_proc, tvtohz(&tv)); return; } __stdcall static uint32_t ndis_read_pccard_amem(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; sc = (struct ndis_softc *)block->nmb_ifp; dest = buf; bh = rman_get_bushandle(sc->ndis_res_am); bt = rman_get_bustag(sc->ndis_res_am); for (i = 0; i < len; i++) dest[i] = bus_space_read_1(bt, bh, (offset + i) * 2); return(i); } __stdcall static uint32_t ndis_write_pccard_amem(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; sc = (struct ndis_softc *)block->nmb_ifp; src = buf; bh = rman_get_bushandle(sc->ndis_res_am); bt = rman_get_bustag(sc->ndis_res_am); for (i = 0; i < len; i++) bus_space_write_1(bt, bh, (offset + i) * 2, src[i]); return(i); } __stdcall static list_entry * ndis_insert_head(head, entry, lock) list_entry *head; list_entry *entry; ndis_spin_lock *lock; { list_entry *flink; ntoskrnl_acquire_spinlock(&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; ntoskrnl_release_spinlock(&lock->nsl_spinlock, lock->nsl_kirql); return(flink); } __stdcall static list_entry * ndis_remove_head(head, lock) list_entry *head; ndis_spin_lock *lock; { list_entry *flink; list_entry *entry; ntoskrnl_acquire_spinlock(&lock->nsl_spinlock, &lock->nsl_kirql); entry = head->nle_flink; flink = entry->nle_flink; head->nle_flink = flink; flink->nle_blink = head; ntoskrnl_release_spinlock(&lock->nsl_spinlock, lock->nsl_kirql); return(entry); } __stdcall static list_entry * ndis_insert_tail(head, entry, lock) list_entry *head; list_entry *entry; ndis_spin_lock *lock; { list_entry *blink; ntoskrnl_acquire_spinlock(&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; ntoskrnl_release_spinlock(&lock->nsl_spinlock, lock->nsl_kirql); return(blink); } __stdcall static uint8_t ndis_sync_with_intr(intr, syncfunc, syncctx) ndis_miniport_interrupt *intr; void *syncfunc; void *syncctx; { struct ndis_softc *sc; __stdcall uint8_t (*sync)(void *); uint8_t rval; if (syncfunc == NULL || syncctx == NULL) return(0); sc = (struct ndis_softc *)intr->ni_block->nmb_ifp; sync = syncfunc; mtx_lock(&sc->ndis_intrmtx); rval = sync(syncctx); mtx_unlock(&sc->ndis_intrmtx); return(rval); } /* * Return the number of 100 nanosecond intervals since * January 1, 1601. (?!?!) */ __stdcall static void ndis_time(tval) uint64_t *tval; { struct timespec ts; nanotime(&ts); *tval = (uint64_t)ts.tv_nsec / 100 + (uint64_t)ts.tv_sec * 10000000 + 11644473600; return; } /* * Return the number of milliseconds since the system booted. */ __stdcall static void ndis_uptime(tval) uint32_t *tval; { struct timespec ts; nanouptime(&ts); *tval = ts.tv_nsec / 1000000 + ts.tv_sec * 1000; return; } __stdcall static void ndis_init_string(dst, src) ndis_unicode_string *dst; char *src; { ndis_unicode_string *u; u = dst; u->nus_buf = NULL; if (ndis_ascii_to_unicode(src, &u->nus_buf)) return; u->nus_len = u->nus_maxlen = strlen(src) * 2; return; } __stdcall static void ndis_free_string(str) ndis_unicode_string *str; { if (str == NULL) return; if (str->nus_buf != NULL) free(str->nus_buf, M_DEVBUF); free(str, M_DEVBUF); return; } __stdcall static ndis_status ndis_remove_miniport(adapter) ndis_handle *adapter; { return(NDIS_STATUS_SUCCESS); } __stdcall static void ndis_init_ansi_string(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 ndis_init_unicode_string(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->nus_len = u->nus_maxlen = 0; u->nus_buf = NULL; } else { i = 0; while(src[i] != 0) i++; u->nus_buf = src; u->nus_len = u->nus_maxlen = i * 2; } return; } __stdcall static void ndis_get_devprop(adapter, phydevobj, funcdevobj, nextdevobj, resources, transresources) 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_devobj; if (funcdevobj != NULL) *funcdevobj = &block->nmb_devobj; return; } __stdcall static void ndis_firstbuf(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 = MDL_VA(tmp); *firstlen = *totlen = tmp->nb_bytecount; for (tmp = tmp->nb_next; tmp != NULL; tmp = tmp->nb_next) *totlen += tmp->nb_bytecount; } return; } __stdcall static void ndis_firstbuf_safe(packet, buf, firstva, firstlen, totlen, prio) ndis_packet *packet; ndis_buffer **buf; void **firstva; uint32_t *firstlen; uint32_t *totlen; uint32_t prio; { ndis_firstbuf(packet, buf, firstva, firstlen, totlen); } static int ndis_find_sym(lf, filename, suffix, sym) linker_file_t lf; char *filename; char *suffix; caddr_t *sym; { char fullsym[MAXPATHLEN]; char *suf; int i; bzero(fullsym, sizeof(fullsym)); strcpy(fullsym, filename); if (strlen(filename) < 4) 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); if (*sym == 0) return(ENOENT); return(0); } /* can also return NDIS_STATUS_RESOURCES/NDIS_STATUS_ERROR_READING_FILE */ __stdcall static void ndis_open_file(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[MAXPATHLEN]; linker_file_t head, lf; caddr_t kldstart, kldend; ndis_unicode_to_ascii(filename->nus_buf, filename->nus_len, &afilename); fh = malloc(sizeof(ndis_fh), M_TEMP, M_NOWAIT); 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)) { free(fh, M_TEMP); *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; } sprintf(path, "%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; free(fh, M_TEMP); printf("NDIS: open file %s failed: %d\n", path, error); return; } 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 ndis_map_file(status, mappedbuffer, filehandle) ndis_status *status; void **mappedbuffer; ndis_handle filehandle; { ndis_fh *fh; struct thread *td = curthread; linker_file_t lf; caddr_t 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 = malloc(fh->nf_maplen, M_DEVBUF, M_NOWAIT); 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 ndis_unmap_file(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) free(fh->nf_map, M_DEVBUF); fh->nf_map = NULL; return; } __stdcall static void ndis_close_file(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) free(fh->nf_map, M_DEVBUF); 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; free(fh, M_DEVBUF); return; } __stdcall static uint8_t ndis_cpu_cnt() { return(mp_ncpus); } typedef void (*ndis_statusdone_handler)(ndis_handle); typedef void (*ndis_status_handler)(ndis_handle, ndis_status, void *, uint32_t); __stdcall static void ndis_ind_statusdone(adapter) ndis_handle adapter; { ndis_miniport_block *block; __stdcall ndis_statusdone_handler statusdonefunc; block = (ndis_miniport_block *)adapter; statusdonefunc = block->nmb_statusdone_func; statusdonefunc(adapter); return; } __stdcall static void ndis_ind_status(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; statusfunc(adapter, status, sbuf, slen); return; } static void ndis_workfunc(ctx) void *ctx; { ndis_work_item *work; __stdcall ndis_proc workfunc; work = ctx; workfunc = (__stdcall ndis_proc) work->nwi_func; workfunc(work, work->nwi_ctx); return; } __stdcall static ndis_status ndis_sched_workitem(work) ndis_work_item *work; { ndis_sched(ndis_workfunc, work, NDIS_TASKQUEUE); return(NDIS_STATUS_SUCCESS); } __stdcall static void ndis_pkt_to_pkt(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 = MDL_VA(src); dptr = MDL_VA(dst); scnt = src->nb_bytecount; dcnt = dst->nb_bytecount; while (soff) { if (src->nb_bytecount > soff) { sptr += soff; scnt = src->nb_bytecount - soff; break; } soff -= src->nb_bytecount; src = src->nb_next; if (src == NULL) return; sptr = MDL_VA(src); } while (doff) { if (dst->nb_bytecount > doff) { dptr += doff; dcnt = dst->nb_bytecount - doff; break; } doff -= dst->nb_bytecount; dst = dst->nb_next; if (dst == NULL) return; dptr = MDL_VA(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->nb_next; if (dst == NULL) break; dptr = MDL_VA(dst); dcnt = dst->nb_bytecount; } scnt -= len; if (scnt == 0) { src = src->nb_next; if (src == NULL) break; sptr = MDL_VA(src); scnt = src->nb_bytecount; } } *cpylen = copied; return; } __stdcall static void ndis_pkt_to_pkt_safe(dpkt, doff, reqlen, spkt, soff, cpylen, prio) ndis_packet *dpkt; uint32_t doff; uint32_t reqlen; ndis_packet *spkt; uint32_t soff; uint32_t *cpylen; uint32_t prio; { ndis_pkt_to_pkt(dpkt, doff, reqlen, spkt, soff, cpylen); return; } __stdcall static ndis_status ndis_register_dev(handle, devname, symname, majorfuncs, devobj, devhandle) 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_devobj; *devhandle = handle; return(NDIS_STATUS_SUCCESS); } __stdcall static ndis_status ndis_deregister_dev(handle) ndis_handle handle; { return(NDIS_STATUS_SUCCESS); } __stdcall static ndis_status ndis_query_name(name, handle) ndis_unicode_string *name; ndis_handle handle; { ndis_miniport_block *block; block = (ndis_miniport_block *)handle; ndis_ascii_to_unicode(__DECONST(char *, device_get_nameunit(block->nmb_dev)), &name->nus_buf); name->nus_len = strlen(device_get_nameunit(block->nmb_dev)) * 2; return(NDIS_STATUS_SUCCESS); } __stdcall static void ndis_register_unload(handle, func) ndis_handle handle; void *func; { return; } __stdcall static void dummy() { printf ("NDIS dummy called...\n"); return; } image_patch_table ndis_functbl[] = { { "NdisCopyFromPacketToPacket", (FUNC)ndis_pkt_to_pkt }, { "NdisCopyFromPacketToPacketSafe", (FUNC)ndis_pkt_to_pkt_safe }, { "NdisScheduleWorkItem", (FUNC)ndis_sched_workitem }, { "NdisMIndicateStatusComplete", (FUNC)ndis_ind_statusdone }, { "NdisMIndicateStatus", (FUNC)ndis_ind_status }, { "NdisSystemProcessorCount", (FUNC)ndis_cpu_cnt }, { "NdisUnchainBufferAtBack", (FUNC)ndis_unchain_tailbuf, }, { "NdisGetFirstBufferFromPacket", (FUNC)ndis_firstbuf }, { "NdisGetFirstBufferFromPacketSafe", (FUNC)ndis_firstbuf_safe }, { "NdisGetBufferPhysicalArraySize", (FUNC)ndis_buf_physpages }, { "NdisMGetDeviceProperty", (FUNC)ndis_get_devprop }, { "NdisInitAnsiString", (FUNC)ndis_init_ansi_string }, { "NdisInitUnicodeString", (FUNC)ndis_init_unicode_string }, { "NdisWriteConfiguration", (FUNC)ndis_write_cfg }, { "NdisAnsiStringToUnicodeString", (FUNC)ndis_ansi2unicode }, { "NdisTerminateWrapper", (FUNC)ndis_termwrap }, { "NdisOpenConfigurationKeyByName", (FUNC)ndis_open_cfgbyname }, { "NdisOpenConfigurationKeyByIndex", (FUNC)ndis_open_cfgbyidx }, { "NdisMRemoveMiniport", (FUNC)ndis_remove_miniport }, { "NdisInitializeString", (FUNC)ndis_init_string }, { "NdisFreeString", (FUNC)ndis_free_string }, { "NdisGetCurrentSystemTime", (FUNC)ndis_time }, { "NdisGetSystemUpTime", (FUNC)ndis_uptime }, { "NdisMSynchronizeWithInterrupt", (FUNC)ndis_sync_with_intr }, { "NdisMAllocateSharedMemoryAsync", (FUNC)ndis_alloc_sharedmem_async }, { "NdisInterlockedInsertHeadList", (FUNC)ndis_insert_head }, { "NdisInterlockedInsertTailList", (FUNC)ndis_insert_tail }, { "NdisInterlockedRemoveHeadList", (FUNC)ndis_remove_head }, { "NdisInitializeWrapper", (FUNC)ndis_initwrap }, { "NdisMRegisterMiniport", (FUNC)ndis_register_miniport }, { "NdisAllocateMemoryWithTag", (FUNC)ndis_malloc_withtag }, { "NdisAllocateMemory", (FUNC)ndis_malloc }, { "NdisMSetAttributesEx", (FUNC)ndis_setattr_ex }, { "NdisCloseConfiguration", (FUNC)ndis_close_cfg }, { "NdisReadConfiguration", (FUNC)ndis_read_cfg }, { "NdisOpenConfiguration", (FUNC)ndis_open_cfg }, { "NdisAcquireSpinLock", (FUNC)ndis_lock }, { "NdisReleaseSpinLock", (FUNC)ndis_unlock }, { "NdisDprAcquireSpinLock", (FUNC)ndis_lock_dpr }, { "NdisDprReleaseSpinLock", (FUNC)ndis_unlock_dpr }, { "NdisAllocateSpinLock", (FUNC)ndis_create_lock }, { "NdisFreeSpinLock", (FUNC)ndis_destroy_lock }, { "NdisFreeMemory", (FUNC)ndis_free }, { "NdisReadPciSlotInformation", (FUNC)ndis_read_pci }, { "NdisWritePciSlotInformation",(FUNC)ndis_write_pci }, { "NdisImmediateReadPciSlotInformation", (FUNC)ndis_read_pci }, { "NdisImmediateWritePciSlotInformation", (FUNC)ndis_write_pci }, { "NdisWriteErrorLogEntry", (FUNC)ndis_syslog }, { "NdisMStartBufferPhysicalMapping", (FUNC)ndis_vtophys_load }, { "NdisMCompleteBufferPhysicalMapping", (FUNC)ndis_vtophys_unload }, { "NdisMInitializeTimer", (FUNC)ndis_create_timer }, { "NdisInitializeTimer", (FUNC)ndis_init_timer }, { "NdisSetTimer", (FUNC)ndis_set_timer }, { "NdisMCancelTimer", (FUNC)ndis_cancel_timer }, { "NdisCancelTimer", (FUNC)ndis_cancel_timer }, { "NdisMSetPeriodicTimer", (FUNC)ndis_set_periodic_timer }, { "NdisMQueryAdapterResources", (FUNC)ndis_query_resources }, { "NdisMRegisterIoPortRange", (FUNC)ndis_register_ioport }, { "NdisMDeregisterIoPortRange", (FUNC)ndis_deregister_ioport }, { "NdisReadNetworkAddress", (FUNC)ndis_read_netaddr }, { "NdisQueryMapRegisterCount", (FUNC)ndis_mapreg_cnt }, { "NdisMAllocateMapRegisters", (FUNC)ndis_alloc_mapreg }, { "NdisMFreeMapRegisters", (FUNC)ndis_free_mapreg }, { "NdisMAllocateSharedMemory", (FUNC)ndis_alloc_sharedmem }, { "NdisMMapIoSpace", (FUNC)ndis_map_iospace }, { "NdisMUnmapIoSpace", (FUNC)ndis_unmap_iospace }, { "NdisGetCacheFillSize", (FUNC)ndis_cachefill }, { "NdisMGetDmaAlignment", (FUNC)ndis_dma_align }, { "NdisMInitializeScatterGatherDma", (FUNC)ndis_init_sc_dma }, { "NdisAllocatePacketPool", (FUNC)ndis_alloc_packetpool }, { "NdisAllocatePacketPoolEx", (FUNC)ndis_ex_alloc_packetpool }, { "NdisAllocatePacket", (FUNC)ndis_alloc_packet }, { "NdisFreePacket", (FUNC)ndis_release_packet }, { "NdisFreePacketPool", (FUNC)ndis_free_packetpool }, { "NdisDprAllocatePacket", (FUNC)ndis_alloc_packet }, { "NdisDprFreePacket", (FUNC)ndis_release_packet }, { "NdisAllocateBufferPool", (FUNC)ndis_alloc_bufpool }, { "NdisAllocateBuffer", (FUNC)ndis_alloc_buf }, { "NdisQueryBuffer", (FUNC)ndis_query_buf }, { "NdisQueryBufferSafe", (FUNC)ndis_query_buf_safe }, { "NdisBufferVirtualAddress", (FUNC)ndis_buf_vaddr }, { "NdisBufferVirtualAddressSafe", (FUNC)ndis_buf_vaddr_safe }, { "NdisBufferLength", (FUNC)ndis_buflen }, { "NdisFreeBuffer", (FUNC)ndis_release_buf }, { "NdisFreeBufferPool", (FUNC)ndis_free_bufpool }, { "NdisInterlockedIncrement", (FUNC)ndis_interlock_inc }, { "NdisInterlockedDecrement", (FUNC)ndis_interlock_dec }, { "NdisInitializeEvent", (FUNC)ndis_init_event }, { "NdisSetEvent", (FUNC)ndis_set_event }, { "NdisResetEvent", (FUNC)ndis_reset_event }, { "NdisWaitEvent", (FUNC)ndis_wait_event }, { "NdisUnicodeStringToAnsiString", (FUNC)ndis_unicode2ansi }, { "NdisMPciAssignResources", (FUNC)ndis_assign_pcirsrc }, { "NdisMFreeSharedMemory", (FUNC)ndis_free_sharedmem }, { "NdisMRegisterInterrupt", (FUNC)ndis_register_intr }, { "NdisMDeregisterInterrupt", (FUNC)ndis_deregister_intr }, { "NdisMRegisterAdapterShutdownHandler", (FUNC)ndis_register_shutdown }, { "NdisMDeregisterAdapterShutdownHandler", (FUNC)ndis_deregister_shutdown }, { "NDIS_BUFFER_TO_SPAN_PAGES", (FUNC)ndis_numpages }, { "NdisQueryBufferOffset", (FUNC)ndis_query_bufoffset }, { "NdisAdjustBufferLength", (FUNC)ndis_adjust_buflen }, { "NdisPacketPoolUsage", (FUNC)ndis_packetpool_use }, { "NdisMSleep", (FUNC)ndis_sleep }, { "NdisUnchainBufferAtFront", (FUNC)ndis_unchain_headbuf }, { "NdisReadPcmciaAttributeMemory", (FUNC)ndis_read_pccard_amem }, { "NdisWritePcmciaAttributeMemory", (FUNC)ndis_write_pccard_amem }, { "NdisOpenFile", (FUNC)ndis_open_file }, { "NdisMapFile", (FUNC)ndis_map_file }, { "NdisUnmapFile", (FUNC)ndis_unmap_file }, { "NdisCloseFile", (FUNC)ndis_close_file }, { "NdisMRegisterDevice", (FUNC)ndis_register_dev }, { "NdisMDeregisterDevice", (FUNC)ndis_deregister_dev }, { "NdisMQueryAdapterInstanceName", (FUNC)ndis_query_name }, { "NdisMRegisterUnloadHandler", (FUNC)ndis_register_unload }, /* * 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 }, /* End of list. */ { NULL, NULL }, };