3 * Bill Paul <wpaul@windriver.com>. All rights reserved.
5 * Redistribution and use in source and binary forms, with or without
6 * modification, are permitted provided that the following conditions
8 * 1. Redistributions of source code must retain the above copyright
9 * notice, this list of conditions and the following disclaimer.
10 * 2. Redistributions in binary form must reproduce the above copyright
11 * notice, this list of conditions and the following disclaimer in the
12 * documentation and/or other materials provided with the distribution.
13 * 3. All advertising materials mentioning features or use of this software
14 * must display the following acknowledgement:
15 * This product includes software developed by Bill Paul.
16 * 4. Neither the name of the author nor the names of any co-contributors
17 * may be used to endorse or promote products derived from this software
18 * without specific prior written permission.
20 * THIS SOFTWARE IS PROVIDED BY Bill Paul AND CONTRIBUTORS ``AS IS'' AND
21 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
22 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
23 * ARE DISCLAIMED. IN NO EVENT SHALL Bill Paul OR THE VOICES IN HIS HEAD
24 * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
25 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
26 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
27 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
28 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
29 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF
30 * THE POSSIBILITY OF SUCH DAMAGE.
33 #include <sys/cdefs.h>
34 __FBSDID("$FreeBSD$");
36 #include <sys/param.h>
37 #include <sys/systm.h>
38 #include <sys/unistd.h>
39 #include <sys/types.h>
40 #include <sys/errno.h>
41 #include <sys/callout.h>
42 #include <sys/socket.h>
43 #include <sys/queue.h>
44 #include <sys/sysctl.h>
46 #include <sys/malloc.h>
48 #include <sys/mutex.h>
51 #include <sys/kernel.h>
52 #include <sys/module.h>
53 #include <sys/kthread.h>
54 #include <machine/bus.h>
55 #include <machine/resource.h>
60 #include <net/if_arp.h>
61 #include <net/ethernet.h>
62 #include <net/if_dl.h>
63 #include <net/if_media.h>
65 #include <net80211/ieee80211_var.h>
66 #include <net80211/ieee80211_ioctl.h>
68 #include <dev/usb/usb.h>
69 #include <dev/usb/usbdi.h>
71 #include <compat/ndis/pe_var.h>
72 #include <compat/ndis/cfg_var.h>
73 #include <compat/ndis/resource_var.h>
74 #include <compat/ndis/ntoskrnl_var.h>
75 #include <compat/ndis/ndis_var.h>
76 #include <compat/ndis/hal_var.h>
77 #include <compat/ndis/usbd_var.h>
78 #include <dev/if_ndis/if_ndisvar.h>
80 #define NDIS_DUMMY_PATH "\\\\some\\bogus\\path"
82 static void ndis_status_func(ndis_handle, ndis_status, void *, uint32_t);
83 static void ndis_statusdone_func(ndis_handle);
84 static void ndis_setdone_func(ndis_handle, ndis_status);
85 static void ndis_getdone_func(ndis_handle, ndis_status);
86 static void ndis_resetdone_func(ndis_handle, ndis_status, uint8_t);
87 static void ndis_sendrsrcavail_func(ndis_handle);
88 static void ndis_intrsetup(kdpc *, device_object *,
89 irp *, struct ndis_softc *);
90 static void ndis_return(device_object *, void *);
92 static image_patch_table kernndis_functbl[] = {
93 IMPORT_SFUNC(ndis_status_func, 4),
94 IMPORT_SFUNC(ndis_statusdone_func, 1),
95 IMPORT_SFUNC(ndis_setdone_func, 2),
96 IMPORT_SFUNC(ndis_getdone_func, 2),
97 IMPORT_SFUNC(ndis_resetdone_func, 3),
98 IMPORT_SFUNC(ndis_sendrsrcavail_func, 1),
99 IMPORT_SFUNC(ndis_intrsetup, 4),
100 IMPORT_SFUNC(ndis_return, 1),
105 static struct nd_head ndis_devhead;
108 * This allows us to export our symbols to other modules.
109 * Note that we call ourselves 'ndisapi' to avoid a namespace
110 * collision with if_ndis.ko, which internally calls itself
113 * Note: some of the subsystems depend on each other, so the
114 * order in which they're started is important. The order of
117 * HAL - spinlocks and IRQL manipulation
118 * ntoskrnl - DPC and workitem threads, object waiting
119 * windrv - driver/device registration
121 * The HAL should also be the last thing shut down, since
122 * the ntoskrnl subsystem will use spinlocks right up until
123 * the DPC and workitem threads are terminated.
127 ndis_modevent(module_t mod, int cmd, void *arg)
130 image_patch_table *patch;
134 /* Initialize subsystems */
141 patch = kernndis_functbl;
142 while (patch->ipt_func != NULL) {
143 windrv_wrap((funcptr)patch->ipt_func,
144 (funcptr *)&patch->ipt_wrap,
145 patch->ipt_argcnt, patch->ipt_ftype);
149 TAILQ_INIT(&ndis_devhead);
152 if (TAILQ_FIRST(&ndis_devhead) == NULL) {
153 /* Shut down subsystems */
160 patch = kernndis_functbl;
161 while (patch->ipt_func != NULL) {
162 windrv_unwrap(patch->ipt_wrap);
168 /* Shut down subsystems */
175 patch = kernndis_functbl;
176 while (patch->ipt_func != NULL) {
177 windrv_unwrap(patch->ipt_wrap);
189 DEV_MODULE(ndisapi, ndis_modevent, NULL);
190 MODULE_VERSION(ndisapi, 1);
193 ndis_sendrsrcavail_func(adapter)
199 ndis_status_func(adapter, status, sbuf, slen)
205 ndis_miniport_block *block;
206 struct ndis_softc *sc;
210 sc = device_get_softc(block->nmb_physdeviceobj->do_devext);
212 if (ifp->if_flags & IFF_DEBUG)
213 device_printf(sc->ndis_dev, "status: %x\n", status);
217 ndis_statusdone_func(adapter)
220 ndis_miniport_block *block;
221 struct ndis_softc *sc;
225 sc = device_get_softc(block->nmb_physdeviceobj->do_devext);
227 if (ifp->if_flags & IFF_DEBUG)
228 device_printf(sc->ndis_dev, "status complete\n");
232 ndis_setdone_func(adapter, status)
236 ndis_miniport_block *block;
239 block->nmb_setstat = status;
240 KeSetEvent(&block->nmb_setevent, IO_NO_INCREMENT, FALSE);
244 ndis_getdone_func(adapter, status)
248 ndis_miniport_block *block;
251 block->nmb_getstat = status;
252 KeSetEvent(&block->nmb_getevent, IO_NO_INCREMENT, FALSE);
256 ndis_resetdone_func(ndis_handle adapter, ndis_status status,
257 uint8_t addressingreset)
259 ndis_miniport_block *block;
260 struct ndis_softc *sc;
264 sc = device_get_softc(block->nmb_physdeviceobj->do_devext);
267 if (ifp->if_flags & IFF_DEBUG)
268 device_printf(sc->ndis_dev, "reset done...\n");
269 KeSetEvent(&block->nmb_resetevent, IO_NO_INCREMENT, FALSE);
273 ndis_create_sysctls(arg)
276 struct ndis_softc *sc;
279 struct sysctl_oid *oidp;
280 struct sysctl_ctx_entry *e;
286 vals = sc->ndis_regvals;
288 TAILQ_INIT(&sc->ndis_cfglist_head);
290 /* Add the driver-specific registry keys. */
293 if (vals->nc_cfgkey == NULL)
296 if (vals->nc_idx != sc->ndis_devidx) {
301 /* See if we already have a sysctl with this name */
304 TAILQ_FOREACH(e, device_get_sysctl_ctx(sc->ndis_dev), link) {
306 if (strcasecmp(oidp->oid_name, vals->nc_cfgkey) == 0)
316 ndis_add_sysctl(sc, vals->nc_cfgkey, vals->nc_cfgdesc,
317 vals->nc_val, CTLFLAG_RW);
321 /* Now add a couple of builtin keys. */
324 * Environment can be either Windows (0) or WindowsNT (1).
325 * We qualify as the latter.
327 ndis_add_sysctl(sc, "Environment",
328 "Windows environment", "1", CTLFLAG_RD);
330 /* NDIS version should be 5.1. */
331 ndis_add_sysctl(sc, "NdisVersion",
332 "NDIS API Version", "0x00050001", CTLFLAG_RD);
335 * Some miniport drivers rely on the existence of the SlotNumber,
336 * NetCfgInstanceId and DriverDesc keys.
338 ndis_add_sysctl(sc, "SlotNumber", "Slot Numer", "01", CTLFLAG_RD);
339 ndis_add_sysctl(sc, "NetCfgInstanceId", "NetCfgInstanceId",
340 "{12345678-1234-5678-CAFE0-123456789ABC}", CTLFLAG_RD);
341 ndis_add_sysctl(sc, "DriverDesc", "Driver Description",
342 "NDIS Network Adapter", CTLFLAG_RD);
344 /* Bus type (PCI, PCMCIA, etc...) */
345 sprintf(buf, "%d", (int)sc->ndis_iftype);
346 ndis_add_sysctl(sc, "BusType", "Bus Type", buf, CTLFLAG_RD);
348 if (sc->ndis_res_io != NULL) {
349 sprintf(buf, "0x%lx", rman_get_start(sc->ndis_res_io));
350 ndis_add_sysctl(sc, "IOBaseAddress",
351 "Base I/O Address", buf, CTLFLAG_RD);
354 if (sc->ndis_irq != NULL) {
355 sprintf(buf, "%lu", rman_get_start(sc->ndis_irq));
356 ndis_add_sysctl(sc, "InterruptNumber",
357 "Interrupt Number", buf, CTLFLAG_RD);
364 ndis_add_sysctl(arg, key, desc, val, flag)
371 struct ndis_softc *sc;
372 struct ndis_cfglist *cfg;
377 cfg = malloc(sizeof(struct ndis_cfglist), M_DEVBUF, M_NOWAIT|M_ZERO);
380 printf("failed for %s\n", key);
384 cfg->ndis_cfg.nc_cfgkey = strdup(key, M_DEVBUF);
386 snprintf(descstr, sizeof(descstr), "%s (dynamic)", key);
387 cfg->ndis_cfg.nc_cfgdesc = strdup(descstr, M_DEVBUF);
389 cfg->ndis_cfg.nc_cfgdesc = strdup(desc, M_DEVBUF);
390 strcpy(cfg->ndis_cfg.nc_val, val);
392 TAILQ_INSERT_TAIL(&sc->ndis_cfglist_head, cfg, link);
395 SYSCTL_ADD_STRING(device_get_sysctl_ctx(sc->ndis_dev),
396 SYSCTL_CHILDREN(device_get_sysctl_tree(sc->ndis_dev)),
397 OID_AUTO, cfg->ndis_cfg.nc_cfgkey, flag,
398 cfg->ndis_cfg.nc_val, sizeof(cfg->ndis_cfg.nc_val),
399 cfg->ndis_cfg.nc_cfgdesc);
405 * Somewhere, somebody decided "hey, let's automatically create
406 * a sysctl tree for each device instance as it's created -- it'll
407 * make life so much easier!" Lies. Why must they turn the kernel
408 * into a house of lies?
412 ndis_flush_sysctls(arg)
415 struct ndis_softc *sc;
416 struct ndis_cfglist *cfg;
417 struct sysctl_ctx_list *clist;
421 clist = device_get_sysctl_ctx(sc->ndis_dev);
423 while (!TAILQ_EMPTY(&sc->ndis_cfglist_head)) {
424 cfg = TAILQ_FIRST(&sc->ndis_cfglist_head);
425 TAILQ_REMOVE(&sc->ndis_cfglist_head, cfg, link);
426 sysctl_ctx_entry_del(clist, cfg->ndis_oid);
427 sysctl_remove_oid(cfg->ndis_oid, 1, 0);
428 free(cfg->ndis_cfg.nc_cfgkey, M_DEVBUF);
429 free(cfg->ndis_cfg.nc_cfgdesc, M_DEVBUF);
437 ndis_get_routine_address(functbl, name)
438 struct image_patch_table *functbl;
443 for (i = 0; functbl[i].ipt_name != NULL; i++)
444 if (strcmp(name, functbl[i].ipt_name) == 0)
445 return (functbl[i].ipt_wrap);
450 ndis_return(dobj, arg)
454 ndis_miniport_block *block;
455 ndis_miniport_characteristics *ch;
456 ndis_return_handler returnfunc;
463 ch = IoGetDriverObjectExtension(dobj->do_drvobj, (void *)1);
466 adapter = block->nmb_miniportadapterctx;
471 returnfunc = ch->nmc_return_packet_func;
473 KeAcquireSpinLock(&block->nmb_returnlock, &irql);
474 while (!IsListEmpty(&block->nmb_returnlist)) {
475 l = RemoveHeadList((&block->nmb_returnlist));
476 p = CONTAINING_RECORD(l, ndis_packet, np_list);
477 InitializeListHead((&p->np_list));
478 KeReleaseSpinLock(&block->nmb_returnlock, irql);
479 MSCALL2(returnfunc, adapter, p);
480 KeAcquireSpinLock(&block->nmb_returnlock, &irql);
482 KeReleaseSpinLock(&block->nmb_returnlock, irql);
486 ndis_return_packet(struct mbuf *m, void *buf, void *arg)
489 ndis_miniport_block *block;
492 return (EXT_FREE_OK);
496 /* Decrement refcount. */
499 /* Release packet when refcount hits zero, otherwise return. */
501 return (EXT_FREE_OK);
503 block = ((struct ndis_softc *)p->np_softc)->ndis_block;
505 KeAcquireSpinLockAtDpcLevel(&block->nmb_returnlock);
506 InitializeListHead((&p->np_list));
507 InsertHeadList((&block->nmb_returnlist), (&p->np_list));
508 KeReleaseSpinLockFromDpcLevel(&block->nmb_returnlock);
510 IoQueueWorkItem(block->nmb_returnitem,
511 (io_workitem_func)kernndis_functbl[7].ipt_wrap,
512 WORKQUEUE_CRITICAL, block);
514 return (EXT_FREE_OK);
540 ndis_free_bufs(p->np_private.npp_head);
545 ndis_convert_res(arg)
548 struct ndis_softc *sc;
549 ndis_resource_list *rl = NULL;
550 cm_partial_resource_desc *prd = NULL;
551 ndis_miniport_block *block;
553 struct resource_list *brl;
554 struct resource_list_entry *brle;
558 block = sc->ndis_block;
561 rl = malloc(sizeof(ndis_resource_list) +
562 (sizeof(cm_partial_resource_desc) * (sc->ndis_rescnt - 1)),
563 M_DEVBUF, M_NOWAIT|M_ZERO);
568 rl->cprl_version = 5;
569 rl->cprl_revision = 1;
570 rl->cprl_count = sc->ndis_rescnt;
571 prd = rl->cprl_partial_descs;
573 brl = BUS_GET_RESOURCE_LIST(dev, dev);
577 STAILQ_FOREACH(brle, brl, link) {
578 switch (brle->type) {
580 prd->cprd_type = CmResourceTypePort;
581 prd->cprd_flags = CM_RESOURCE_PORT_IO;
582 prd->cprd_sharedisp =
583 CmResourceShareDeviceExclusive;
584 prd->u.cprd_port.cprd_start.np_quad =
586 prd->u.cprd_port.cprd_len = brle->count;
589 prd->cprd_type = CmResourceTypeMemory;
591 CM_RESOURCE_MEMORY_READ_WRITE;
592 prd->cprd_sharedisp =
593 CmResourceShareDeviceExclusive;
594 prd->u.cprd_mem.cprd_start.np_quad =
596 prd->u.cprd_mem.cprd_len = brle->count;
599 prd->cprd_type = CmResourceTypeInterrupt;
602 * Always mark interrupt resources as
603 * shared, since in our implementation,
606 prd->cprd_sharedisp =
607 CmResourceShareShared;
608 prd->u.cprd_intr.cprd_level = brle->start;
609 prd->u.cprd_intr.cprd_vector = brle->start;
610 prd->u.cprd_intr.cprd_affinity = 0;
619 block->nmb_rlist = rl;
625 * Map an NDIS packet to an mbuf list. When an NDIS driver receives a
626 * packet, it will hand it to us in the form of an ndis_packet,
627 * which we need to convert to an mbuf that is then handed off
628 * to the stack. Note: we configure the mbuf list so that it uses
629 * the memory regions specified by the ndis_buffer structures in
630 * the ndis_packet as external storage. In most cases, this will
631 * point to a memory region allocated by the driver (either by
632 * ndis_malloc_withtag() or ndis_alloc_sharedmem()). We expect
633 * the driver to handle free()ing this region for is, so we set up
634 * a dummy no-op free handler for it.
642 struct mbuf *m = NULL, *prev = NULL;
644 ndis_packet_private *priv;
647 struct ether_header *eh;
650 if (p == NULL || m0 == NULL)
653 priv = &p->np_private;
654 buf = priv->npp_head;
657 for (buf = priv->npp_head; buf != NULL; buf = buf->mdl_next) {
658 if (buf == priv->npp_head)
659 m = m_gethdr(M_NOWAIT, MT_DATA);
661 m = m_get(M_NOWAIT, MT_DATA);
667 m->m_len = MmGetMdlByteCount(buf);
668 m->m_data = MmGetMdlVirtualAddress(buf);
669 MEXTADD(m, m->m_data, m->m_len, ndis_return_packet,
670 m->m_data, p, 0, EXT_NDIS);
674 if (m->m_flags & M_PKTHDR)
682 * This is a hack to deal with the Marvell 8335 driver
683 * which, when associated with an AP in WPA-PSK mode,
684 * seems to overpad its frames by 8 bytes. I don't know
685 * that the extra 8 bytes are for, and they're not there
686 * in open mode, so for now clamp the frame size at 1514
687 * until I can figure out how to deal with this properly,
688 * otherwise if_ethersubr() will spank us by discarding
689 * the 'oversize' frames.
692 eh = mtod((*m0), struct ether_header *);
693 ifp = ((struct ndis_softc *)p->np_softc)->ifp;
694 if (totlen > ETHER_MAX_FRAME(ifp, eh->ether_type, FALSE)) {
695 diff = totlen - ETHER_MAX_FRAME(ifp, eh->ether_type, FALSE);
699 (*m0)->m_pkthdr.len = totlen;
705 * Create an NDIS packet from an mbuf chain.
706 * This is used mainly when transmitting packets, where we need
707 * to turn an mbuf off an interface's send queue and transform it
708 * into an NDIS packet which will be fed into the NDIS driver's
711 * NDIS packets consist of two parts: an ndis_packet structure,
712 * which is vaguely analagous to the pkthdr portion of an mbuf,
713 * and one or more ndis_buffer structures, which define the
714 * actual memory segments in which the packet data resides.
715 * We need to allocate one ndis_buffer for each mbuf in a chain,
716 * plus one ndis_packet as the header.
725 ndis_buffer *buf = NULL, *prev = NULL;
726 ndis_packet_private *priv;
728 if (p == NULL || *p == NULL || m0 == NULL)
731 priv = &(*p)->np_private;
732 priv->npp_totlen = m0->m_pkthdr.len;
734 for (m = m0; m != NULL; m = m->m_next) {
737 buf = IoAllocateMdl(m->m_data, m->m_len, FALSE, FALSE, NULL);
739 ndis_free_packet(*p);
743 MmBuildMdlForNonPagedPool(buf);
745 if (priv->npp_head == NULL)
746 priv->npp_head = buf;
748 prev->mdl_next = buf;
752 priv->npp_tail = buf;
758 ndis_get_supported_oids(arg, oids, oidcnt)
766 if (arg == NULL || oids == NULL || oidcnt == NULL)
769 ndis_get_info(arg, OID_GEN_SUPPORTED_LIST, NULL, &len);
771 o = malloc(len, M_DEVBUF, M_NOWAIT);
775 rval = ndis_get_info(arg, OID_GEN_SUPPORTED_LIST, o, &len);
789 ndis_set_info(arg, oid, buf, buflen)
795 struct ndis_softc *sc;
798 ndis_setinfo_handler setfunc;
799 uint32_t byteswritten = 0, bytesneeded = 0;
804 * According to the NDIS spec, MiniportQueryInformation()
805 * and MiniportSetInformation() requests are handled serially:
806 * once one request has been issued, we must wait for it to
807 * finish before allowing another request to proceed.
812 KeResetEvent(&sc->ndis_block->nmb_setevent);
814 KeAcquireSpinLock(&sc->ndis_block->nmb_lock, &irql);
816 if (sc->ndis_block->nmb_pendingreq != NULL) {
817 KeReleaseSpinLock(&sc->ndis_block->nmb_lock, irql);
818 panic("ndis_set_info() called while other request pending");
820 sc->ndis_block->nmb_pendingreq = (ndis_request *)sc;
822 setfunc = sc->ndis_chars->nmc_setinfo_func;
823 adapter = sc->ndis_block->nmb_miniportadapterctx;
825 if (adapter == NULL || setfunc == NULL ||
826 sc->ndis_block->nmb_devicectx == NULL) {
827 sc->ndis_block->nmb_pendingreq = NULL;
828 KeReleaseSpinLock(&sc->ndis_block->nmb_lock, irql);
832 rval = MSCALL6(setfunc, adapter, oid, buf, *buflen,
833 &byteswritten, &bytesneeded);
835 sc->ndis_block->nmb_pendingreq = NULL;
837 KeReleaseSpinLock(&sc->ndis_block->nmb_lock, irql);
839 if (rval == NDIS_STATUS_PENDING) {
840 /* Wait up to 5 seconds. */
841 duetime = (5 * 1000000) * -10;
842 KeWaitForSingleObject(&sc->ndis_block->nmb_setevent,
843 0, 0, FALSE, &duetime);
844 rval = sc->ndis_block->nmb_setstat;
848 *buflen = byteswritten;
850 *buflen = bytesneeded;
852 if (rval == NDIS_STATUS_INVALID_LENGTH)
855 if (rval == NDIS_STATUS_INVALID_OID)
858 if (rval == NDIS_STATUS_NOT_SUPPORTED ||
859 rval == NDIS_STATUS_NOT_ACCEPTED)
862 if (rval != NDIS_STATUS_SUCCESS)
868 typedef void (*ndis_senddone_func)(ndis_handle, ndis_packet *, ndis_status);
871 ndis_send_packets(arg, packets, cnt)
873 ndis_packet **packets;
876 struct ndis_softc *sc;
878 ndis_sendmulti_handler sendfunc;
879 ndis_senddone_func senddonefunc;
885 adapter = sc->ndis_block->nmb_miniportadapterctx;
888 sendfunc = sc->ndis_chars->nmc_sendmulti_func;
889 senddonefunc = sc->ndis_block->nmb_senddone_func;
891 if (NDIS_SERIALIZED(sc->ndis_block))
892 KeAcquireSpinLock(&sc->ndis_block->nmb_lock, &irql);
894 MSCALL3(sendfunc, adapter, packets, cnt);
896 for (i = 0; i < cnt; i++) {
899 * Either the driver already handed the packet to
900 * ndis_txeof() due to a failure, or it wants to keep
901 * it and release it asynchronously later. Skip to the
904 if (p == NULL || p->np_oob.npo_status == NDIS_STATUS_PENDING)
906 MSCALL3(senddonefunc, sc->ndis_block, p, p->np_oob.npo_status);
909 if (NDIS_SERIALIZED(sc->ndis_block))
910 KeReleaseSpinLock(&sc->ndis_block->nmb_lock, irql);
916 ndis_send_packet(arg, packet)
920 struct ndis_softc *sc;
923 ndis_sendsingle_handler sendfunc;
924 ndis_senddone_func senddonefunc;
928 adapter = sc->ndis_block->nmb_miniportadapterctx;
931 sendfunc = sc->ndis_chars->nmc_sendsingle_func;
932 senddonefunc = sc->ndis_block->nmb_senddone_func;
934 if (NDIS_SERIALIZED(sc->ndis_block))
935 KeAcquireSpinLock(&sc->ndis_block->nmb_lock, &irql);
936 status = MSCALL3(sendfunc, adapter, packet,
937 packet->np_private.npp_flags);
939 if (status == NDIS_STATUS_PENDING) {
940 if (NDIS_SERIALIZED(sc->ndis_block))
941 KeReleaseSpinLock(&sc->ndis_block->nmb_lock, irql);
945 MSCALL3(senddonefunc, sc->ndis_block, packet, status);
947 if (NDIS_SERIALIZED(sc->ndis_block))
948 KeReleaseSpinLock(&sc->ndis_block->nmb_lock, irql);
957 struct ndis_softc *sc;
962 sc->ndis_tmaps = malloc(sizeof(bus_dmamap_t) * sc->ndis_maxpkts,
963 M_DEVBUF, M_NOWAIT|M_ZERO);
965 if (sc->ndis_tmaps == NULL)
968 for (i = 0; i < sc->ndis_maxpkts; i++) {
969 error = bus_dmamap_create(sc->ndis_ttag, 0,
972 free(sc->ndis_tmaps, M_DEVBUF);
981 ndis_destroy_dma(arg)
984 struct ndis_softc *sc;
986 ndis_packet *p = NULL;
991 for (i = 0; i < sc->ndis_maxpkts; i++) {
992 if (sc->ndis_txarray[i] != NULL) {
993 p = sc->ndis_txarray[i];
994 m = (struct mbuf *)p->np_rsvd[1];
997 ndis_free_packet(sc->ndis_txarray[i]);
999 bus_dmamap_destroy(sc->ndis_ttag, sc->ndis_tmaps[i]);
1002 free(sc->ndis_tmaps, M_DEVBUF);
1004 bus_dma_tag_destroy(sc->ndis_ttag);
1013 struct ndis_softc *sc;
1014 ndis_handle adapter;
1015 ndis_reset_handler resetfunc;
1016 uint8_t addressing_reset;
1023 adapter = sc->ndis_block->nmb_miniportadapterctx;
1024 resetfunc = sc->ndis_chars->nmc_reset_func;
1026 if (adapter == NULL || resetfunc == NULL ||
1027 sc->ndis_block->nmb_devicectx == NULL) {
1034 KeResetEvent(&sc->ndis_block->nmb_resetevent);
1036 if (NDIS_SERIALIZED(sc->ndis_block))
1037 KeAcquireSpinLock(&sc->ndis_block->nmb_lock, &irql);
1039 rval = MSCALL2(resetfunc, &addressing_reset, adapter);
1041 if (NDIS_SERIALIZED(sc->ndis_block))
1042 KeReleaseSpinLock(&sc->ndis_block->nmb_lock, irql);
1044 if (rval == NDIS_STATUS_PENDING)
1045 KeWaitForSingleObject(&sc->ndis_block->nmb_resetevent,
1055 struct ndis_softc *sc;
1056 ndis_handle adapter;
1057 ndis_halt_handler haltfunc;
1058 ndis_miniport_block *block;
1063 block = sc->ndis_block;
1066 KeFlushQueuedDpcs();
1069 * Wait for all packets to be returned.
1073 KeAcquireSpinLock(&block->nmb_returnlock, &irql);
1074 empty = IsListEmpty(&block->nmb_returnlist);
1075 KeReleaseSpinLock(&block->nmb_returnlock, irql);
1082 adapter = sc->ndis_block->nmb_miniportadapterctx;
1083 if (adapter == NULL) {
1088 sc->ndis_block->nmb_devicectx = NULL;
1091 * The adapter context is only valid after the init
1092 * handler has been called, and is invalid once the
1093 * halt handler has been called.
1096 haltfunc = sc->ndis_chars->nmc_halt_func;
1099 MSCALL1(haltfunc, adapter);
1102 sc->ndis_block->nmb_miniportadapterctx = NULL;
1109 ndis_shutdown_nic(arg)
1112 struct ndis_softc *sc;
1113 ndis_handle adapter;
1114 ndis_shutdown_handler shutdownfunc;
1118 adapter = sc->ndis_block->nmb_miniportadapterctx;
1119 shutdownfunc = sc->ndis_chars->nmc_shutdown_handler;
1121 if (adapter == NULL || shutdownfunc == NULL)
1124 if (sc->ndis_chars->nmc_rsvd0 == NULL)
1125 MSCALL1(shutdownfunc, adapter);
1127 MSCALL1(shutdownfunc, sc->ndis_chars->nmc_rsvd0);
1129 TAILQ_REMOVE(&ndis_devhead, sc->ndis_block, link);
1135 ndis_pnpevent_nic(arg, type)
1140 struct ndis_softc *sc;
1141 ndis_handle adapter;
1142 ndis_pnpevent_handler pnpeventfunc;
1145 sc = device_get_softc(arg);
1147 adapter = sc->ndis_block->nmb_miniportadapterctx;
1148 pnpeventfunc = sc->ndis_chars->nmc_pnpevent_handler;
1150 if (adapter == NULL || pnpeventfunc == NULL)
1153 if (sc->ndis_chars->nmc_rsvd0 == NULL)
1154 MSCALL4(pnpeventfunc, adapter, type, NULL, 0);
1156 MSCALL4(pnpeventfunc, sc->ndis_chars->nmc_rsvd0, type, NULL, 0);
1165 struct ndis_softc *sc;
1166 ndis_miniport_block *block;
1167 ndis_init_handler initfunc;
1168 ndis_status status, openstatus = 0;
1169 ndis_medium mediumarray[NdisMediumMax];
1170 uint32_t chosenmedium, i;
1177 block = sc->ndis_block;
1178 initfunc = sc->ndis_chars->nmc_init_func;
1181 sc->ndis_block->nmb_timerlist = NULL;
1183 for (i = 0; i < NdisMediumMax; i++)
1186 status = MSCALL6(initfunc, &openstatus, &chosenmedium,
1187 mediumarray, NdisMediumMax, block, block);
1190 * If the init fails, blow away the other exported routines
1191 * we obtained from the driver so we can't call them later.
1192 * If the init failed, none of these will work.
1194 if (status != NDIS_STATUS_SUCCESS) {
1196 sc->ndis_block->nmb_miniportadapterctx = NULL;
1202 * This may look really goofy, but apparently it is possible
1203 * to halt a miniport too soon after it's been initialized.
1204 * After MiniportInitialize() finishes, pause for 1 second
1205 * to give the chip a chance to handle any short-lived timers
1206 * that were set in motion. If we call MiniportHalt() too soon,
1207 * some of the timers may not be cancelled, because the driver
1208 * expects them to fire before the halt is called.
1211 pause("ndwait", hz);
1214 sc->ndis_block->nmb_devicectx = sc;
1221 ndis_intrsetup(dpc, dobj, ip, sc)
1223 device_object *dobj;
1225 struct ndis_softc *sc;
1227 ndis_miniport_interrupt *intr;
1229 intr = sc->ndis_block->nmb_interrupt;
1236 KeAcquireSpinLockAtDpcLevel(&intr->ni_dpccountlock);
1237 KeResetEvent(&intr->ni_dpcevt);
1238 if (KeInsertQueueDpc(&intr->ni_dpc, NULL, NULL) == TRUE)
1240 KeReleaseSpinLockFromDpcLevel(&intr->ni_dpccountlock);
1244 ndis_get_info(arg, oid, buf, buflen)
1250 struct ndis_softc *sc;
1252 ndis_handle adapter;
1253 ndis_queryinfo_handler queryfunc;
1254 uint32_t byteswritten = 0, bytesneeded = 0;
1260 KeResetEvent(&sc->ndis_block->nmb_getevent);
1262 KeAcquireSpinLock(&sc->ndis_block->nmb_lock, &irql);
1264 if (sc->ndis_block->nmb_pendingreq != NULL) {
1265 KeReleaseSpinLock(&sc->ndis_block->nmb_lock, irql);
1266 panic("ndis_get_info() called while other request pending");
1268 sc->ndis_block->nmb_pendingreq = (ndis_request *)sc;
1270 queryfunc = sc->ndis_chars->nmc_queryinfo_func;
1271 adapter = sc->ndis_block->nmb_miniportadapterctx;
1273 if (adapter == NULL || queryfunc == NULL ||
1274 sc->ndis_block->nmb_devicectx == NULL) {
1275 sc->ndis_block->nmb_pendingreq = NULL;
1276 KeReleaseSpinLock(&sc->ndis_block->nmb_lock, irql);
1280 rval = MSCALL6(queryfunc, adapter, oid, buf, *buflen,
1281 &byteswritten, &bytesneeded);
1283 sc->ndis_block->nmb_pendingreq = NULL;
1285 KeReleaseSpinLock(&sc->ndis_block->nmb_lock, irql);
1287 /* Wait for requests that block. */
1289 if (rval == NDIS_STATUS_PENDING) {
1290 /* Wait up to 5 seconds. */
1291 duetime = (5 * 1000000) * -10;
1292 KeWaitForSingleObject(&sc->ndis_block->nmb_getevent,
1293 0, 0, FALSE, &duetime);
1294 rval = sc->ndis_block->nmb_getstat;
1298 *buflen = byteswritten;
1300 *buflen = bytesneeded;
1302 if (rval == NDIS_STATUS_INVALID_LENGTH ||
1303 rval == NDIS_STATUS_BUFFER_TOO_SHORT)
1306 if (rval == NDIS_STATUS_INVALID_OID)
1309 if (rval == NDIS_STATUS_NOT_SUPPORTED ||
1310 rval == NDIS_STATUS_NOT_ACCEPTED)
1313 if (rval != NDIS_STATUS_SUCCESS)
1320 NdisAddDevice(drv, pdo)
1325 ndis_miniport_block *block;
1326 struct ndis_softc *sc;
1330 sc = device_get_softc(pdo->do_devext);
1332 if (sc->ndis_iftype == PCMCIABus || sc->ndis_iftype == PCIBus) {
1333 error = bus_setup_intr(sc->ndis_dev, sc->ndis_irq,
1334 INTR_TYPE_NET | INTR_MPSAFE,
1335 NULL, ntoskrnl_intr, NULL, &sc->ndis_intrhand);
1337 return (NDIS_STATUS_FAILURE);
1340 status = IoCreateDevice(drv, sizeof(ndis_miniport_block), NULL,
1341 FILE_DEVICE_UNKNOWN, 0, FALSE, &fdo);
1343 if (status != STATUS_SUCCESS)
1346 block = fdo->do_devext;
1348 block->nmb_filterdbs.nf_ethdb = block;
1349 block->nmb_deviceobj = fdo;
1350 block->nmb_physdeviceobj = pdo;
1351 block->nmb_nextdeviceobj = IoAttachDeviceToDeviceStack(fdo, pdo);
1352 KeInitializeSpinLock(&block->nmb_lock);
1353 KeInitializeSpinLock(&block->nmb_returnlock);
1354 KeInitializeEvent(&block->nmb_getevent, EVENT_TYPE_NOTIFY, TRUE);
1355 KeInitializeEvent(&block->nmb_setevent, EVENT_TYPE_NOTIFY, TRUE);
1356 KeInitializeEvent(&block->nmb_resetevent, EVENT_TYPE_NOTIFY, TRUE);
1357 InitializeListHead(&block->nmb_parmlist);
1358 InitializeListHead(&block->nmb_returnlist);
1359 block->nmb_returnitem = IoAllocateWorkItem(fdo);
1362 * Stash pointers to the miniport block and miniport
1363 * characteristics info in the if_ndis softc so the
1364 * UNIX wrapper driver can get to them later.
1366 sc->ndis_block = block;
1367 sc->ndis_chars = IoGetDriverObjectExtension(drv, (void *)1);
1370 * If the driver has a MiniportTransferData() function,
1371 * we should allocate a private RX packet pool.
1374 if (sc->ndis_chars->nmc_transferdata_func != NULL) {
1375 NdisAllocatePacketPool(&status, &block->nmb_rxpool,
1376 32, PROTOCOL_RESERVED_SIZE_IN_PACKET);
1377 if (status != NDIS_STATUS_SUCCESS) {
1378 IoDetachDevice(block->nmb_nextdeviceobj);
1379 IoDeleteDevice(fdo);
1382 InitializeListHead((&block->nmb_packetlist));
1385 /* Give interrupt handling priority over timers. */
1386 IoInitializeDpcRequest(fdo, kernndis_functbl[6].ipt_wrap);
1387 KeSetImportanceDpc(&fdo->do_dpc, KDPC_IMPORTANCE_HIGH);
1389 /* Finish up BSD-specific setup. */
1391 block->nmb_signature = (void *)0xcafebabe;
1392 block->nmb_status_func = kernndis_functbl[0].ipt_wrap;
1393 block->nmb_statusdone_func = kernndis_functbl[1].ipt_wrap;
1394 block->nmb_setdone_func = kernndis_functbl[2].ipt_wrap;
1395 block->nmb_querydone_func = kernndis_functbl[3].ipt_wrap;
1396 block->nmb_resetdone_func = kernndis_functbl[4].ipt_wrap;
1397 block->nmb_sendrsrc_func = kernndis_functbl[5].ipt_wrap;
1398 block->nmb_pendingreq = NULL;
1400 TAILQ_INSERT_TAIL(&ndis_devhead, block, link);
1402 return (STATUS_SUCCESS);
1406 ndis_unload_driver(arg)
1409 struct ndis_softc *sc;
1414 if (sc->ndis_intrhand)
1415 bus_teardown_intr(sc->ndis_dev,
1416 sc->ndis_irq, sc->ndis_intrhand);
1418 if (sc->ndis_block->nmb_rlist != NULL)
1419 free(sc->ndis_block->nmb_rlist, M_DEVBUF);
1421 ndis_flush_sysctls(sc);
1423 TAILQ_REMOVE(&ndis_devhead, sc->ndis_block, link);
1425 if (sc->ndis_chars->nmc_transferdata_func != NULL)
1426 NdisFreePacketPool(sc->ndis_block->nmb_rxpool);
1427 fdo = sc->ndis_block->nmb_deviceobj;
1428 IoFreeWorkItem(sc->ndis_block->nmb_returnitem);
1429 IoDetachDevice(sc->ndis_block->nmb_nextdeviceobj);
1430 IoDeleteDevice(fdo);