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_var.h>
61 #include <net/if_arp.h>
62 #include <net/ethernet.h>
63 #include <net/if_dl.h>
64 #include <net/if_media.h>
66 #include <net80211/ieee80211_var.h>
67 #include <net80211/ieee80211_ioctl.h>
69 #include <dev/usb/usb.h>
70 #include <dev/usb/usbdi.h>
72 #include <compat/ndis/pe_var.h>
73 #include <compat/ndis/cfg_var.h>
74 #include <compat/ndis/resource_var.h>
75 #include <compat/ndis/ntoskrnl_var.h>
76 #include <compat/ndis/ndis_var.h>
77 #include <compat/ndis/hal_var.h>
78 #include <compat/ndis/usbd_var.h>
79 #include <dev/if_ndis/if_ndisvar.h>
81 #define NDIS_DUMMY_PATH "\\\\some\\bogus\\path"
82 #define NDIS_FLAG_RDONLY 1
84 static void ndis_status_func(ndis_handle, ndis_status, void *, uint32_t);
85 static void ndis_statusdone_func(ndis_handle);
86 static void ndis_setdone_func(ndis_handle, ndis_status);
87 static void ndis_getdone_func(ndis_handle, ndis_status);
88 static void ndis_resetdone_func(ndis_handle, ndis_status, uint8_t);
89 static void ndis_sendrsrcavail_func(ndis_handle);
90 static void ndis_intrsetup(kdpc *, device_object *,
91 irp *, struct ndis_softc *);
92 static void ndis_return(device_object *, void *);
94 static image_patch_table kernndis_functbl[] = {
95 IMPORT_SFUNC(ndis_status_func, 4),
96 IMPORT_SFUNC(ndis_statusdone_func, 1),
97 IMPORT_SFUNC(ndis_setdone_func, 2),
98 IMPORT_SFUNC(ndis_getdone_func, 2),
99 IMPORT_SFUNC(ndis_resetdone_func, 3),
100 IMPORT_SFUNC(ndis_sendrsrcavail_func, 1),
101 IMPORT_SFUNC(ndis_intrsetup, 4),
102 IMPORT_SFUNC(ndis_return, 1),
107 static struct nd_head ndis_devhead;
110 * This allows us to export our symbols to other modules.
111 * Note that we call ourselves 'ndisapi' to avoid a namespace
112 * collision with if_ndis.ko, which internally calls itself
115 * Note: some of the subsystems depend on each other, so the
116 * order in which they're started is important. The order of
119 * HAL - spinlocks and IRQL manipulation
120 * ntoskrnl - DPC and workitem threads, object waiting
121 * windrv - driver/device registration
123 * The HAL should also be the last thing shut down, since
124 * the ntoskrnl subsystem will use spinlocks right up until
125 * the DPC and workitem threads are terminated.
129 ndis_modevent(module_t mod, int cmd, void *arg)
132 image_patch_table *patch;
136 /* Initialize subsystems */
143 patch = kernndis_functbl;
144 while (patch->ipt_func != NULL) {
145 windrv_wrap((funcptr)patch->ipt_func,
146 (funcptr *)&patch->ipt_wrap,
147 patch->ipt_argcnt, patch->ipt_ftype);
151 TAILQ_INIT(&ndis_devhead);
154 if (TAILQ_FIRST(&ndis_devhead) == NULL) {
155 /* Shut down subsystems */
162 patch = kernndis_functbl;
163 while (patch->ipt_func != NULL) {
164 windrv_unwrap(patch->ipt_wrap);
170 /* Shut down subsystems */
177 patch = kernndis_functbl;
178 while (patch->ipt_func != NULL) {
179 windrv_unwrap(patch->ipt_wrap);
191 DEV_MODULE(ndisapi, ndis_modevent, NULL);
192 MODULE_VERSION(ndisapi, 1);
195 ndis_sendrsrcavail_func(adapter)
201 ndis_status_func(adapter, status, sbuf, slen)
207 ndis_miniport_block *block;
208 struct ndis_softc *sc;
212 sc = device_get_softc(block->nmb_physdeviceobj->do_devext);
213 ifp = NDISUSB_GET_IFNET(sc);
214 if ( ifp && ifp->if_flags & IFF_DEBUG)
215 device_printf(sc->ndis_dev, "status: %x\n", status);
219 ndis_statusdone_func(adapter)
222 ndis_miniport_block *block;
223 struct ndis_softc *sc;
227 sc = device_get_softc(block->nmb_physdeviceobj->do_devext);
228 ifp = NDISUSB_GET_IFNET(sc);
229 if (ifp && ifp->if_flags & IFF_DEBUG)
230 device_printf(sc->ndis_dev, "status complete\n");
234 ndis_setdone_func(adapter, status)
238 ndis_miniport_block *block;
241 block->nmb_setstat = status;
242 KeSetEvent(&block->nmb_setevent, IO_NO_INCREMENT, FALSE);
246 ndis_getdone_func(adapter, status)
250 ndis_miniport_block *block;
253 block->nmb_getstat = status;
254 KeSetEvent(&block->nmb_getevent, IO_NO_INCREMENT, FALSE);
258 ndis_resetdone_func(ndis_handle adapter, ndis_status status,
259 uint8_t addressingreset)
261 ndis_miniport_block *block;
262 struct ndis_softc *sc;
266 sc = device_get_softc(block->nmb_physdeviceobj->do_devext);
267 ifp = NDISUSB_GET_IFNET(sc);
269 if (ifp && ifp->if_flags & IFF_DEBUG)
270 device_printf(sc->ndis_dev, "reset done...\n");
271 KeSetEvent(&block->nmb_resetevent, IO_NO_INCREMENT, FALSE);
275 ndis_create_sysctls(arg)
278 struct ndis_softc *sc;
281 struct sysctl_oid *oidp;
282 struct sysctl_ctx_entry *e;
289 device_printf(sc->ndis_dev, "ndis_create_sysctls() sc=%p\n", sc);
291 vals = sc->ndis_regvals;
293 TAILQ_INIT(&sc->ndis_cfglist_head);
295 /* Add the driver-specific registry keys. */
298 if (vals->nc_cfgkey == NULL)
301 if (vals->nc_idx != sc->ndis_devidx) {
306 /* See if we already have a sysctl with this name */
309 TAILQ_FOREACH(e, device_get_sysctl_ctx(sc->ndis_dev), link) {
311 if (strcasecmp(oidp->oid_name, vals->nc_cfgkey) == 0)
321 ndis_add_sysctl(sc, vals->nc_cfgkey, vals->nc_cfgdesc,
322 vals->nc_val, CTLFLAG_RW);
326 /* Now add a couple of builtin keys. */
329 * Environment can be either Windows (0) or WindowsNT (1).
330 * We qualify as the latter.
332 ndis_add_sysctl(sc, "Environment",
333 "Windows environment", "1", NDIS_FLAG_RDONLY);
335 /* NDIS version should be 5.1. */
336 ndis_add_sysctl(sc, "NdisVersion",
337 "NDIS API Version", "0x00050001", NDIS_FLAG_RDONLY);
340 * Some miniport drivers rely on the existence of the SlotNumber,
341 * NetCfgInstanceId and DriverDesc keys.
343 ndis_add_sysctl(sc, "SlotNumber", "Slot Numer", "01", NDIS_FLAG_RDONLY);
344 ndis_add_sysctl(sc, "NetCfgInstanceId", "NetCfgInstanceId",
345 "{12345678-1234-5678-CAFE0-123456789ABC}", NDIS_FLAG_RDONLY);
346 ndis_add_sysctl(sc, "DriverDesc", "Driver Description",
347 "NDIS Network Adapter", NDIS_FLAG_RDONLY);
349 /* Bus type (PCI, PCMCIA, etc...) */
350 sprintf(buf, "%d", (int)sc->ndis_iftype);
351 ndis_add_sysctl(sc, "BusType", "Bus Type", buf, NDIS_FLAG_RDONLY);
353 if (sc->ndis_res_io != NULL) {
354 sprintf(buf, "0x%jx", rman_get_start(sc->ndis_res_io));
355 ndis_add_sysctl(sc, "IOBaseAddress",
356 "Base I/O Address", buf, NDIS_FLAG_RDONLY);
359 if (sc->ndis_irq != NULL) {
360 sprintf(buf, "%ju", rman_get_start(sc->ndis_irq));
361 ndis_add_sysctl(sc, "InterruptNumber",
362 "Interrupt Number", buf, NDIS_FLAG_RDONLY);
369 ndis_add_sysctl(arg, key, desc, val, flag_rdonly)
376 struct ndis_softc *sc;
377 struct ndis_cfglist *cfg;
382 cfg = malloc(sizeof(struct ndis_cfglist), M_DEVBUF, M_NOWAIT|M_ZERO);
385 printf("failed for %s\n", key);
389 cfg->ndis_cfg.nc_cfgkey = strdup(key, M_DEVBUF);
391 snprintf(descstr, sizeof(descstr), "%s (dynamic)", key);
392 cfg->ndis_cfg.nc_cfgdesc = strdup(descstr, M_DEVBUF);
394 cfg->ndis_cfg.nc_cfgdesc = strdup(desc, M_DEVBUF);
395 strcpy(cfg->ndis_cfg.nc_val, val);
397 TAILQ_INSERT_TAIL(&sc->ndis_cfglist_head, cfg, link);
399 if (flag_rdonly != 0) {
401 SYSCTL_ADD_STRING(device_get_sysctl_ctx(sc->ndis_dev),
402 SYSCTL_CHILDREN(device_get_sysctl_tree(sc->ndis_dev)),
403 OID_AUTO, cfg->ndis_cfg.nc_cfgkey, CTLFLAG_RD,
404 cfg->ndis_cfg.nc_val, sizeof(cfg->ndis_cfg.nc_val),
405 cfg->ndis_cfg.nc_cfgdesc);
408 SYSCTL_ADD_STRING(device_get_sysctl_ctx(sc->ndis_dev),
409 SYSCTL_CHILDREN(device_get_sysctl_tree(sc->ndis_dev)),
410 OID_AUTO, cfg->ndis_cfg.nc_cfgkey, CTLFLAG_RW,
411 cfg->ndis_cfg.nc_val, sizeof(cfg->ndis_cfg.nc_val),
412 cfg->ndis_cfg.nc_cfgdesc);
418 * Somewhere, somebody decided "hey, let's automatically create
419 * a sysctl tree for each device instance as it's created -- it'll
420 * make life so much easier!" Lies. Why must they turn the kernel
421 * into a house of lies?
425 ndis_flush_sysctls(arg)
428 struct ndis_softc *sc;
429 struct ndis_cfglist *cfg;
430 struct sysctl_ctx_list *clist;
434 clist = device_get_sysctl_ctx(sc->ndis_dev);
436 while (!TAILQ_EMPTY(&sc->ndis_cfglist_head)) {
437 cfg = TAILQ_FIRST(&sc->ndis_cfglist_head);
438 TAILQ_REMOVE(&sc->ndis_cfglist_head, cfg, link);
439 sysctl_ctx_entry_del(clist, cfg->ndis_oid);
440 sysctl_remove_oid(cfg->ndis_oid, 1, 0);
441 free(cfg->ndis_cfg.nc_cfgkey, M_DEVBUF);
442 free(cfg->ndis_cfg.nc_cfgdesc, M_DEVBUF);
450 ndis_get_routine_address(functbl, name)
451 struct image_patch_table *functbl;
456 for (i = 0; functbl[i].ipt_name != NULL; i++)
457 if (strcmp(name, functbl[i].ipt_name) == 0)
458 return (functbl[i].ipt_wrap);
463 ndis_return(dobj, arg)
467 ndis_miniport_block *block;
468 ndis_miniport_characteristics *ch;
469 ndis_return_handler returnfunc;
476 ch = IoGetDriverObjectExtension(dobj->do_drvobj, (void *)1);
479 adapter = block->nmb_miniportadapterctx;
484 returnfunc = ch->nmc_return_packet_func;
486 KeAcquireSpinLock(&block->nmb_returnlock, &irql);
487 while (!IsListEmpty(&block->nmb_returnlist)) {
488 l = RemoveHeadList((&block->nmb_returnlist));
489 p = CONTAINING_RECORD(l, ndis_packet, np_list);
490 InitializeListHead((&p->np_list));
491 KeReleaseSpinLock(&block->nmb_returnlock, irql);
492 MSCALL2(returnfunc, adapter, p);
493 KeAcquireSpinLock(&block->nmb_returnlock, &irql);
495 KeReleaseSpinLock(&block->nmb_returnlock, irql);
499 ndis_return_packet(struct mbuf *m, void *buf, void *arg)
502 ndis_miniport_block *block;
509 /* Decrement refcount. */
512 /* Release packet when refcount hits zero, otherwise return. */
516 block = ((struct ndis_softc *)p->np_softc)->ndis_block;
518 KeAcquireSpinLockAtDpcLevel(&block->nmb_returnlock);
519 InitializeListHead((&p->np_list));
520 InsertHeadList((&block->nmb_returnlist), (&p->np_list));
521 KeReleaseSpinLockFromDpcLevel(&block->nmb_returnlock);
523 IoQueueWorkItem(block->nmb_returnitem,
524 (io_workitem_func)kernndis_functbl[7].ipt_wrap,
525 WORKQUEUE_CRITICAL, block);
551 ndis_free_bufs(p->np_private.npp_head);
556 ndis_convert_res(arg)
559 struct ndis_softc *sc;
560 ndis_resource_list *rl = NULL;
561 cm_partial_resource_desc *prd = NULL;
562 ndis_miniport_block *block;
564 struct resource_list *brl;
565 struct resource_list_entry *brle;
569 block = sc->ndis_block;
572 rl = malloc(sizeof(ndis_resource_list) +
573 (sizeof(cm_partial_resource_desc) * (sc->ndis_rescnt - 1)),
574 M_DEVBUF, M_NOWAIT|M_ZERO);
579 rl->cprl_version = 5;
580 rl->cprl_revision = 1;
581 rl->cprl_count = sc->ndis_rescnt;
582 prd = rl->cprl_partial_descs;
584 brl = BUS_GET_RESOURCE_LIST(dev, dev);
588 STAILQ_FOREACH(brle, brl, link) {
589 switch (brle->type) {
591 prd->cprd_type = CmResourceTypePort;
592 prd->cprd_flags = CM_RESOURCE_PORT_IO;
593 prd->cprd_sharedisp =
594 CmResourceShareDeviceExclusive;
595 prd->u.cprd_port.cprd_start.np_quad =
597 prd->u.cprd_port.cprd_len = brle->count;
600 prd->cprd_type = CmResourceTypeMemory;
602 CM_RESOURCE_MEMORY_READ_WRITE;
603 prd->cprd_sharedisp =
604 CmResourceShareDeviceExclusive;
605 prd->u.cprd_mem.cprd_start.np_quad =
607 prd->u.cprd_mem.cprd_len = brle->count;
610 prd->cprd_type = CmResourceTypeInterrupt;
613 * Always mark interrupt resources as
614 * shared, since in our implementation,
617 prd->cprd_sharedisp =
618 CmResourceShareShared;
619 prd->u.cprd_intr.cprd_level = brle->start;
620 prd->u.cprd_intr.cprd_vector = brle->start;
621 prd->u.cprd_intr.cprd_affinity = 0;
630 block->nmb_rlist = rl;
636 * Map an NDIS packet to an mbuf list. When an NDIS driver receives a
637 * packet, it will hand it to us in the form of an ndis_packet,
638 * which we need to convert to an mbuf that is then handed off
639 * to the stack. Note: we configure the mbuf list so that it uses
640 * the memory regions specified by the ndis_buffer structures in
641 * the ndis_packet as external storage. In most cases, this will
642 * point to a memory region allocated by the driver (either by
643 * ndis_malloc_withtag() or ndis_alloc_sharedmem()). We expect
644 * the driver to handle free()ing this region for is, so we set up
645 * a dummy no-op free handler for it.
653 struct mbuf *m = NULL, *prev = NULL;
655 ndis_packet_private *priv;
658 struct ether_header *eh;
661 if (p == NULL || m0 == NULL)
664 priv = &p->np_private;
665 buf = priv->npp_head;
668 for (buf = priv->npp_head; buf != NULL; buf = buf->mdl_next) {
669 if (buf == priv->npp_head)
670 m = m_gethdr(M_NOWAIT, MT_DATA);
672 m = m_get(M_NOWAIT, MT_DATA);
678 m->m_len = MmGetMdlByteCount(buf);
679 m->m_data = MmGetMdlVirtualAddress(buf);
680 MEXTADD(m, m->m_data, m->m_len, ndis_return_packet,
681 m->m_data, p, 0, EXT_NDIS);
685 if (m->m_flags & M_PKTHDR)
693 * This is a hack to deal with the Marvell 8335 driver
694 * which, when associated with an AP in WPA-PSK mode,
695 * seems to overpad its frames by 8 bytes. I don't know
696 * that the extra 8 bytes are for, and they're not there
697 * in open mode, so for now clamp the frame size at 1514
698 * until I can figure out how to deal with this properly,
699 * otherwise if_ethersubr() will spank us by discarding
700 * the 'oversize' frames.
703 eh = mtod((*m0), struct ether_header *);
704 ifp = NDISUSB_GET_IFNET((struct ndis_softc *)p->np_softc);
705 if (ifp && totlen > ETHER_MAX_FRAME(ifp, eh->ether_type, FALSE)) {
706 diff = totlen - ETHER_MAX_FRAME(ifp, eh->ether_type, FALSE);
710 (*m0)->m_pkthdr.len = totlen;
716 * Create an NDIS packet from an mbuf chain.
717 * This is used mainly when transmitting packets, where we need
718 * to turn an mbuf off an interface's send queue and transform it
719 * into an NDIS packet which will be fed into the NDIS driver's
722 * NDIS packets consist of two parts: an ndis_packet structure,
723 * which is vaguely analogous to the pkthdr portion of an mbuf,
724 * and one or more ndis_buffer structures, which define the
725 * actual memory segments in which the packet data resides.
726 * We need to allocate one ndis_buffer for each mbuf in a chain,
727 * plus one ndis_packet as the header.
736 ndis_buffer *buf = NULL, *prev = NULL;
737 ndis_packet_private *priv;
739 if (p == NULL || *p == NULL || m0 == NULL)
742 priv = &(*p)->np_private;
743 priv->npp_totlen = m0->m_pkthdr.len;
745 for (m = m0; m != NULL; m = m->m_next) {
748 buf = IoAllocateMdl(m->m_data, m->m_len, FALSE, FALSE, NULL);
750 ndis_free_packet(*p);
754 MmBuildMdlForNonPagedPool(buf);
756 if (priv->npp_head == NULL)
757 priv->npp_head = buf;
759 prev->mdl_next = buf;
763 priv->npp_tail = buf;
769 ndis_get_supported_oids(arg, oids, oidcnt)
777 if (arg == NULL || oids == NULL || oidcnt == NULL)
780 ndis_get_info(arg, OID_GEN_SUPPORTED_LIST, NULL, &len);
782 o = malloc(len, M_DEVBUF, M_NOWAIT);
786 rval = ndis_get_info(arg, OID_GEN_SUPPORTED_LIST, o, &len);
800 ndis_set_info(arg, oid, buf, buflen)
806 struct ndis_softc *sc;
809 ndis_setinfo_handler setfunc;
810 uint32_t byteswritten = 0, bytesneeded = 0;
815 * According to the NDIS spec, MiniportQueryInformation()
816 * and MiniportSetInformation() requests are handled serially:
817 * once one request has been issued, we must wait for it to
818 * finish before allowing another request to proceed.
823 KeResetEvent(&sc->ndis_block->nmb_setevent);
825 KeAcquireSpinLock(&sc->ndis_block->nmb_lock, &irql);
827 if (sc->ndis_block->nmb_pendingreq != NULL) {
828 KeReleaseSpinLock(&sc->ndis_block->nmb_lock, irql);
829 panic("ndis_set_info() called while other request pending");
831 sc->ndis_block->nmb_pendingreq = (ndis_request *)sc;
833 setfunc = sc->ndis_chars->nmc_setinfo_func;
834 adapter = sc->ndis_block->nmb_miniportadapterctx;
836 if (adapter == NULL || setfunc == NULL ||
837 sc->ndis_block->nmb_devicectx == NULL) {
838 sc->ndis_block->nmb_pendingreq = NULL;
839 KeReleaseSpinLock(&sc->ndis_block->nmb_lock, irql);
843 rval = MSCALL6(setfunc, adapter, oid, buf, *buflen,
844 &byteswritten, &bytesneeded);
846 sc->ndis_block->nmb_pendingreq = NULL;
848 KeReleaseSpinLock(&sc->ndis_block->nmb_lock, irql);
850 if (rval == NDIS_STATUS_PENDING) {
851 /* Wait up to 5 seconds. */
852 duetime = (5 * 1000000) * -10;
853 KeWaitForSingleObject(&sc->ndis_block->nmb_setevent,
854 0, 0, FALSE, &duetime);
855 rval = sc->ndis_block->nmb_setstat;
859 *buflen = byteswritten;
861 *buflen = bytesneeded;
863 if (rval == NDIS_STATUS_INVALID_LENGTH)
866 if (rval == NDIS_STATUS_INVALID_OID)
869 if (rval == NDIS_STATUS_NOT_SUPPORTED ||
870 rval == NDIS_STATUS_NOT_ACCEPTED)
873 if (rval != NDIS_STATUS_SUCCESS)
879 typedef void (*ndis_senddone_func)(ndis_handle, ndis_packet *, ndis_status);
882 ndis_send_packets(arg, packets, cnt)
884 ndis_packet **packets;
887 struct ndis_softc *sc;
889 ndis_sendmulti_handler sendfunc;
890 ndis_senddone_func senddonefunc;
896 adapter = sc->ndis_block->nmb_miniportadapterctx;
899 sendfunc = sc->ndis_chars->nmc_sendmulti_func;
900 senddonefunc = sc->ndis_block->nmb_senddone_func;
902 if (NDIS_SERIALIZED(sc->ndis_block))
903 KeAcquireSpinLock(&sc->ndis_block->nmb_lock, &irql);
905 MSCALL3(sendfunc, adapter, packets, cnt);
907 for (i = 0; i < cnt; i++) {
910 * Either the driver already handed the packet to
911 * ndis_txeof() due to a failure, or it wants to keep
912 * it and release it asynchronously later. Skip to the
915 if (p == NULL || p->np_oob.npo_status == NDIS_STATUS_PENDING)
917 MSCALL3(senddonefunc, sc->ndis_block, p, p->np_oob.npo_status);
920 if (NDIS_SERIALIZED(sc->ndis_block))
921 KeReleaseSpinLock(&sc->ndis_block->nmb_lock, irql);
927 ndis_send_packet(arg, packet)
931 struct ndis_softc *sc;
934 ndis_sendsingle_handler sendfunc;
935 ndis_senddone_func senddonefunc;
939 adapter = sc->ndis_block->nmb_miniportadapterctx;
942 sendfunc = sc->ndis_chars->nmc_sendsingle_func;
943 senddonefunc = sc->ndis_block->nmb_senddone_func;
945 if (NDIS_SERIALIZED(sc->ndis_block))
946 KeAcquireSpinLock(&sc->ndis_block->nmb_lock, &irql);
947 status = MSCALL3(sendfunc, adapter, packet,
948 packet->np_private.npp_flags);
950 if (status == NDIS_STATUS_PENDING) {
951 if (NDIS_SERIALIZED(sc->ndis_block))
952 KeReleaseSpinLock(&sc->ndis_block->nmb_lock, irql);
956 MSCALL3(senddonefunc, sc->ndis_block, packet, status);
958 if (NDIS_SERIALIZED(sc->ndis_block))
959 KeReleaseSpinLock(&sc->ndis_block->nmb_lock, irql);
968 struct ndis_softc *sc;
973 sc->ndis_tmaps = malloc(sizeof(bus_dmamap_t) * sc->ndis_maxpkts,
974 M_DEVBUF, M_NOWAIT|M_ZERO);
976 if (sc->ndis_tmaps == NULL)
979 for (i = 0; i < sc->ndis_maxpkts; i++) {
980 error = bus_dmamap_create(sc->ndis_ttag, 0,
983 free(sc->ndis_tmaps, M_DEVBUF);
992 ndis_destroy_dma(arg)
995 struct ndis_softc *sc;
997 ndis_packet *p = NULL;
1002 for (i = 0; i < sc->ndis_maxpkts; i++) {
1003 if (sc->ndis_txarray[i] != NULL) {
1004 p = sc->ndis_txarray[i];
1005 m = (struct mbuf *)p->np_rsvd[1];
1008 ndis_free_packet(sc->ndis_txarray[i]);
1010 bus_dmamap_destroy(sc->ndis_ttag, sc->ndis_tmaps[i]);
1013 free(sc->ndis_tmaps, M_DEVBUF);
1015 bus_dma_tag_destroy(sc->ndis_ttag);
1024 struct ndis_softc *sc;
1025 ndis_handle adapter;
1026 ndis_reset_handler resetfunc;
1027 uint8_t addressing_reset;
1034 adapter = sc->ndis_block->nmb_miniportadapterctx;
1035 resetfunc = sc->ndis_chars->nmc_reset_func;
1037 if (adapter == NULL || resetfunc == NULL ||
1038 sc->ndis_block->nmb_devicectx == NULL) {
1045 KeResetEvent(&sc->ndis_block->nmb_resetevent);
1047 if (NDIS_SERIALIZED(sc->ndis_block))
1048 KeAcquireSpinLock(&sc->ndis_block->nmb_lock, &irql);
1050 rval = MSCALL2(resetfunc, &addressing_reset, adapter);
1052 if (NDIS_SERIALIZED(sc->ndis_block))
1053 KeReleaseSpinLock(&sc->ndis_block->nmb_lock, irql);
1055 if (rval == NDIS_STATUS_PENDING)
1056 KeWaitForSingleObject(&sc->ndis_block->nmb_resetevent,
1066 struct ndis_softc *sc;
1067 ndis_handle adapter;
1068 ndis_halt_handler haltfunc;
1069 ndis_miniport_block *block;
1074 block = sc->ndis_block;
1077 KeFlushQueuedDpcs();
1080 * Wait for all packets to be returned.
1084 KeAcquireSpinLock(&block->nmb_returnlock, &irql);
1085 empty = IsListEmpty(&block->nmb_returnlist);
1086 KeReleaseSpinLock(&block->nmb_returnlock, irql);
1093 adapter = sc->ndis_block->nmb_miniportadapterctx;
1094 if (adapter == NULL) {
1099 sc->ndis_block->nmb_devicectx = NULL;
1102 * The adapter context is only valid after the init
1103 * handler has been called, and is invalid once the
1104 * halt handler has been called.
1107 haltfunc = sc->ndis_chars->nmc_halt_func;
1110 MSCALL1(haltfunc, adapter);
1113 sc->ndis_block->nmb_miniportadapterctx = NULL;
1120 ndis_shutdown_nic(arg)
1123 struct ndis_softc *sc;
1124 ndis_handle adapter;
1125 ndis_shutdown_handler shutdownfunc;
1129 adapter = sc->ndis_block->nmb_miniportadapterctx;
1130 shutdownfunc = sc->ndis_chars->nmc_shutdown_handler;
1132 if (adapter == NULL || shutdownfunc == NULL)
1135 if (sc->ndis_chars->nmc_rsvd0 == NULL)
1136 MSCALL1(shutdownfunc, adapter);
1138 MSCALL1(shutdownfunc, sc->ndis_chars->nmc_rsvd0);
1140 TAILQ_REMOVE(&ndis_devhead, sc->ndis_block, link);
1146 ndis_pnpevent_nic(arg, type)
1151 struct ndis_softc *sc;
1152 ndis_handle adapter;
1153 ndis_pnpevent_handler pnpeventfunc;
1156 sc = device_get_softc(arg);
1158 adapter = sc->ndis_block->nmb_miniportadapterctx;
1159 pnpeventfunc = sc->ndis_chars->nmc_pnpevent_handler;
1161 if (adapter == NULL || pnpeventfunc == NULL)
1164 if (sc->ndis_chars->nmc_rsvd0 == NULL)
1165 MSCALL4(pnpeventfunc, adapter, type, NULL, 0);
1167 MSCALL4(pnpeventfunc, sc->ndis_chars->nmc_rsvd0, type, NULL, 0);
1176 struct ndis_softc *sc;
1177 ndis_miniport_block *block;
1178 ndis_init_handler initfunc;
1179 ndis_status status, openstatus = 0;
1180 ndis_medium mediumarray[NdisMediumMax];
1181 uint32_t chosenmedium, i;
1188 block = sc->ndis_block;
1189 initfunc = sc->ndis_chars->nmc_init_func;
1192 sc->ndis_block->nmb_timerlist = NULL;
1194 for (i = 0; i < NdisMediumMax; i++)
1197 status = MSCALL6(initfunc, &openstatus, &chosenmedium,
1198 mediumarray, NdisMediumMax, block, block);
1201 * If the init fails, blow away the other exported routines
1202 * we obtained from the driver so we can't call them later.
1203 * If the init failed, none of these will work.
1205 if (status != NDIS_STATUS_SUCCESS) {
1207 sc->ndis_block->nmb_miniportadapterctx = NULL;
1213 * This may look really goofy, but apparently it is possible
1214 * to halt a miniport too soon after it's been initialized.
1215 * After MiniportInitialize() finishes, pause for 1 second
1216 * to give the chip a chance to handle any short-lived timers
1217 * that were set in motion. If we call MiniportHalt() too soon,
1218 * some of the timers may not be cancelled, because the driver
1219 * expects them to fire before the halt is called.
1222 pause("ndwait", hz);
1225 sc->ndis_block->nmb_devicectx = sc;
1232 ndis_intrsetup(dpc, dobj, ip, sc)
1234 device_object *dobj;
1236 struct ndis_softc *sc;
1238 ndis_miniport_interrupt *intr;
1240 intr = sc->ndis_block->nmb_interrupt;
1247 KeAcquireSpinLockAtDpcLevel(&intr->ni_dpccountlock);
1248 KeResetEvent(&intr->ni_dpcevt);
1249 if (KeInsertQueueDpc(&intr->ni_dpc, NULL, NULL) == TRUE)
1251 KeReleaseSpinLockFromDpcLevel(&intr->ni_dpccountlock);
1255 ndis_get_info(arg, oid, buf, buflen)
1261 struct ndis_softc *sc;
1263 ndis_handle adapter;
1264 ndis_queryinfo_handler queryfunc;
1265 uint32_t byteswritten = 0, bytesneeded = 0;
1271 KeResetEvent(&sc->ndis_block->nmb_getevent);
1273 KeAcquireSpinLock(&sc->ndis_block->nmb_lock, &irql);
1275 if (sc->ndis_block->nmb_pendingreq != NULL) {
1276 KeReleaseSpinLock(&sc->ndis_block->nmb_lock, irql);
1277 panic("ndis_get_info() called while other request pending");
1279 sc->ndis_block->nmb_pendingreq = (ndis_request *)sc;
1281 queryfunc = sc->ndis_chars->nmc_queryinfo_func;
1282 adapter = sc->ndis_block->nmb_miniportadapterctx;
1284 if (adapter == NULL || queryfunc == NULL ||
1285 sc->ndis_block->nmb_devicectx == NULL) {
1286 sc->ndis_block->nmb_pendingreq = NULL;
1287 KeReleaseSpinLock(&sc->ndis_block->nmb_lock, irql);
1291 rval = MSCALL6(queryfunc, adapter, oid, buf, *buflen,
1292 &byteswritten, &bytesneeded);
1294 sc->ndis_block->nmb_pendingreq = NULL;
1296 KeReleaseSpinLock(&sc->ndis_block->nmb_lock, irql);
1298 /* Wait for requests that block. */
1300 if (rval == NDIS_STATUS_PENDING) {
1301 /* Wait up to 5 seconds. */
1302 duetime = (5 * 1000000) * -10;
1303 KeWaitForSingleObject(&sc->ndis_block->nmb_getevent,
1304 0, 0, FALSE, &duetime);
1305 rval = sc->ndis_block->nmb_getstat;
1309 *buflen = byteswritten;
1311 *buflen = bytesneeded;
1313 if (rval == NDIS_STATUS_INVALID_LENGTH ||
1314 rval == NDIS_STATUS_BUFFER_TOO_SHORT)
1317 if (rval == NDIS_STATUS_INVALID_OID)
1320 if (rval == NDIS_STATUS_NOT_SUPPORTED ||
1321 rval == NDIS_STATUS_NOT_ACCEPTED)
1324 if (rval != NDIS_STATUS_SUCCESS)
1331 NdisAddDevice(drv, pdo)
1336 ndis_miniport_block *block;
1337 struct ndis_softc *sc;
1341 sc = device_get_softc(pdo->do_devext);
1343 if (sc->ndis_iftype == PCMCIABus || sc->ndis_iftype == PCIBus) {
1344 error = bus_setup_intr(sc->ndis_dev, sc->ndis_irq,
1345 INTR_TYPE_NET | INTR_MPSAFE,
1346 NULL, ntoskrnl_intr, NULL, &sc->ndis_intrhand);
1348 return (NDIS_STATUS_FAILURE);
1351 status = IoCreateDevice(drv, sizeof(ndis_miniport_block), NULL,
1352 FILE_DEVICE_UNKNOWN, 0, FALSE, &fdo);
1354 if (status != STATUS_SUCCESS)
1357 block = fdo->do_devext;
1359 block->nmb_filterdbs.nf_ethdb = block;
1360 block->nmb_deviceobj = fdo;
1361 block->nmb_physdeviceobj = pdo;
1362 block->nmb_nextdeviceobj = IoAttachDeviceToDeviceStack(fdo, pdo);
1363 KeInitializeSpinLock(&block->nmb_lock);
1364 KeInitializeSpinLock(&block->nmb_returnlock);
1365 KeInitializeEvent(&block->nmb_getevent, EVENT_TYPE_NOTIFY, TRUE);
1366 KeInitializeEvent(&block->nmb_setevent, EVENT_TYPE_NOTIFY, TRUE);
1367 KeInitializeEvent(&block->nmb_resetevent, EVENT_TYPE_NOTIFY, TRUE);
1368 InitializeListHead(&block->nmb_parmlist);
1369 InitializeListHead(&block->nmb_returnlist);
1370 block->nmb_returnitem = IoAllocateWorkItem(fdo);
1373 * Stash pointers to the miniport block and miniport
1374 * characteristics info in the if_ndis softc so the
1375 * UNIX wrapper driver can get to them later.
1377 sc->ndis_block = block;
1378 sc->ndis_chars = IoGetDriverObjectExtension(drv, (void *)1);
1381 * If the driver has a MiniportTransferData() function,
1382 * we should allocate a private RX packet pool.
1385 if (sc->ndis_chars->nmc_transferdata_func != NULL) {
1386 NdisAllocatePacketPool(&status, &block->nmb_rxpool,
1387 32, PROTOCOL_RESERVED_SIZE_IN_PACKET);
1388 if (status != NDIS_STATUS_SUCCESS) {
1389 IoDetachDevice(block->nmb_nextdeviceobj);
1390 IoDeleteDevice(fdo);
1393 InitializeListHead((&block->nmb_packetlist));
1396 /* Give interrupt handling priority over timers. */
1397 IoInitializeDpcRequest(fdo, kernndis_functbl[6].ipt_wrap);
1398 KeSetImportanceDpc(&fdo->do_dpc, KDPC_IMPORTANCE_HIGH);
1400 /* Finish up BSD-specific setup. */
1402 block->nmb_signature = (void *)0xcafebabe;
1403 block->nmb_status_func = kernndis_functbl[0].ipt_wrap;
1404 block->nmb_statusdone_func = kernndis_functbl[1].ipt_wrap;
1405 block->nmb_setdone_func = kernndis_functbl[2].ipt_wrap;
1406 block->nmb_querydone_func = kernndis_functbl[3].ipt_wrap;
1407 block->nmb_resetdone_func = kernndis_functbl[4].ipt_wrap;
1408 block->nmb_sendrsrc_func = kernndis_functbl[5].ipt_wrap;
1409 block->nmb_pendingreq = NULL;
1411 TAILQ_INSERT_TAIL(&ndis_devhead, block, link);
1413 return (STATUS_SUCCESS);
1417 ndis_unload_driver(arg)
1420 struct ndis_softc *sc;
1425 if (sc->ndis_intrhand)
1426 bus_teardown_intr(sc->ndis_dev,
1427 sc->ndis_irq, sc->ndis_intrhand);
1429 if (sc->ndis_block->nmb_rlist != NULL)
1430 free(sc->ndis_block->nmb_rlist, M_DEVBUF);
1432 ndis_flush_sysctls(sc);
1434 TAILQ_REMOVE(&ndis_devhead, sc->ndis_block, link);
1436 if (sc->ndis_chars->nmc_transferdata_func != NULL)
1437 NdisFreePacketPool(sc->ndis_block->nmb_rxpool);
1438 fdo = sc->ndis_block->nmb_deviceobj;
1439 IoFreeWorkItem(sc->ndis_block->nmb_returnitem);
1440 IoDetachDevice(sc->ndis_block->nmb_nextdeviceobj);
1441 IoDeleteDevice(fdo);