1/*-
2 * Copyright (c) 2003
3 * Bill Paul <wpaul@windriver.com>. All rights reserved.
4 *
5 * Redistribution and use in source and binary forms, with or without
6 * modification, are permitted provided that the following conditions
7 * are met:
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.
19 *
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.
31 */
32
33#include <sys/cdefs.h>
34__FBSDID("$FreeBSD: head/sys/compat/ndis/kern_ndis.c 151451 2005-10-18 19:52:15Z wpaul $");
35
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>
45#include <sys/proc.h>
46#include <sys/malloc.h>
47#include <sys/lock.h>
48#include <sys/mutex.h>
49#include <sys/conf.h>
50
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>
56#include <sys/bus.h>
57#include <sys/rman.h>
58
59#include <net/if.h>
60#include <net/if_arp.h>
61#include <net/ethernet.h>
62#include <net/if_dl.h>
63#include <net/if_media.h>
64
65#include <net80211/ieee80211_var.h>
66#include <net80211/ieee80211_ioctl.h>
67
68#include <compat/ndis/pe_var.h>
69#include <compat/ndis/cfg_var.h>
70#include <compat/ndis/resource_var.h>
71#include <compat/ndis/ntoskrnl_var.h>
72#include <compat/ndis/ndis_var.h>
73#include <compat/ndis/hal_var.h>
74#include <compat/ndis/usbd_var.h>
75#include <dev/if_ndis/if_ndisvar.h>
76
77#define NDIS_DUMMY_PATH "\\\\some\\bogus\\path"
78
79static void ndis_status_func(ndis_handle, ndis_status, void *, uint32_t);
80static void ndis_statusdone_func(ndis_handle);
81static void ndis_setdone_func(ndis_handle, ndis_status);
82static void ndis_getdone_func(ndis_handle, ndis_status);
83static void ndis_resetdone_func(ndis_handle, ndis_status, uint8_t);
84static void ndis_sendrsrcavail_func(ndis_handle);
85static void ndis_intrsetup(kdpc *, device_object *,
86 irp *, struct ndis_softc *);
87static void ndis_return(device_object *, void *);
88
89static image_patch_table kernndis_functbl[] = {
90 IMPORT_SFUNC(ndis_status_func, 4),
91 IMPORT_SFUNC(ndis_statusdone_func, 1),
92 IMPORT_SFUNC(ndis_setdone_func, 2),
93 IMPORT_SFUNC(ndis_getdone_func, 2),
94 IMPORT_SFUNC(ndis_resetdone_func, 3),
95 IMPORT_SFUNC(ndis_sendrsrcavail_func, 1),
96 IMPORT_SFUNC(ndis_intrsetup, 4),
97 IMPORT_SFUNC(ndis_return, 1),
98
99 { NULL, NULL, NULL }
100};
101
102static struct nd_head ndis_devhead;
103
104/*
105 * This allows us to export our symbols to other modules.
106 * Note that we call ourselves 'ndisapi' to avoid a namespace
107 * collision with if_ndis.ko, which internally calls itself
108 * 'ndis.'
109 *
110 * Note: some of the subsystems depend on each other, so the
111 * order in which they're started is important. The order of
112 * importance is:
113 *
114 * HAL - spinlocks and IRQL manipulation
115 * ntoskrnl - DPC and workitem threads, object waiting
116 * windrv - driver/device registration
117 *
118 * The HAL should also be the last thing shut down, since
119 * the ntoskrnl subsystem will use spinlocks right up until
120 * the DPC and workitem threads are terminated.
121 */
122
123static int
124ndis_modevent(module_t mod, int cmd, void *arg)
125{
126 int error = 0;
127 image_patch_table *patch;
128
129 switch (cmd) {
130 case MOD_LOAD:
131 /* Initialize subsystems */
132 hal_libinit();
133 ntoskrnl_libinit();
134 windrv_libinit();
135 ndis_libinit();
136 usbd_libinit();
137
138 patch = kernndis_functbl;
139 while (patch->ipt_func != NULL) {
140 windrv_wrap((funcptr)patch->ipt_func,
141 (funcptr *)&patch->ipt_wrap,
142 patch->ipt_argcnt, patch->ipt_ftype);
143 patch++;
144 }
145
146 TAILQ_INIT(&ndis_devhead);
147
148 break;
149 case MOD_SHUTDOWN:
150 if (TAILQ_FIRST(&ndis_devhead) == NULL) {
151 /* Shut down subsystems */
152 ndis_libfini();
153 usbd_libfini();
154 windrv_libfini();
155 ntoskrnl_libfini();
156 hal_libfini();
157
158 patch = kernndis_functbl;
159 while (patch->ipt_func != NULL) {
160 windrv_unwrap(patch->ipt_wrap);
161 patch++;
162 }
163 }
164 break;
165 case MOD_UNLOAD:
166 /* Shut down subsystems */
167 ndis_libfini();
168 usbd_libfini();
169 windrv_libfini();
170 ntoskrnl_libfini();
171 hal_libfini();
172
173 patch = kernndis_functbl;
174 while (patch->ipt_func != NULL) {
175 windrv_unwrap(patch->ipt_wrap);
176 patch++;
177 }
178
179 break;
180 default:
181 error = EINVAL;
182 break;
183 }
184
185 return(error);
186}
187DEV_MODULE(ndisapi, ndis_modevent, NULL);
188MODULE_VERSION(ndisapi, 1);
189
190static void
191ndis_sendrsrcavail_func(adapter)
192 ndis_handle adapter;
193{
194 return;
195}
196
197static void
198ndis_status_func(adapter, status, sbuf, slen)
199 ndis_handle adapter;
200 ndis_status status;
201 void *sbuf;
202 uint32_t slen;
203{
204 ndis_miniport_block *block;
205 struct ndis_softc *sc;
206 struct ifnet *ifp;
207
208 block = adapter;
209 sc = device_get_softc(block->nmb_physdeviceobj->do_devext);
210 ifp = sc->ifp;
211 if (ifp->if_flags & IFF_DEBUG)
212 device_printf (sc->ndis_dev, "status: %x\n", status);
213 return;
214}
215
216static void
217ndis_statusdone_func(adapter)
218 ndis_handle adapter;
219{
220 ndis_miniport_block *block;
221 struct ndis_softc *sc;
222 struct ifnet *ifp;
223
224 block = adapter;
225 sc = device_get_softc(block->nmb_physdeviceobj->do_devext);
226 ifp = sc->ifp;
227 if (ifp->if_flags & IFF_DEBUG)
228 device_printf (sc->ndis_dev, "status complete\n");
229 return;
230}
231
232static void
233ndis_setdone_func(adapter, status)
234 ndis_handle adapter;
235 ndis_status status;
236{
237 ndis_miniport_block *block;
238 block = adapter;
239
240 block->nmb_setstat = status;
241 KeSetEvent(&block->nmb_setevent, IO_NO_INCREMENT, FALSE);
242 return;
243}
244
245static void
246ndis_getdone_func(adapter, status)
247 ndis_handle adapter;
248 ndis_status status;
249{
250 ndis_miniport_block *block;
251 block = adapter;
252
253 block->nmb_getstat = status;
254 KeSetEvent(&block->nmb_getevent, IO_NO_INCREMENT, FALSE);
255 return;
256}
257
258static void
259ndis_resetdone_func(adapter, status, addressingreset)
260 ndis_handle adapter;
261 ndis_status status;
262 uint8_t addressingreset;
263{
264 ndis_miniport_block *block;
265 struct ndis_softc *sc;
266 struct ifnet *ifp;
267
268 block = adapter;
269 sc = device_get_softc(block->nmb_physdeviceobj->do_devext);
270 ifp = sc->ifp;
271
272 if (ifp->if_flags & IFF_DEBUG)
273 device_printf (sc->ndis_dev, "reset done...\n");
274 KeSetEvent(&block->nmb_resetevent, IO_NO_INCREMENT, FALSE);
275
276 return;
277}
278
279int
280ndis_create_sysctls(arg)
281 void *arg;
282{
283 struct ndis_softc *sc;
284 ndis_cfg *vals;
285 char buf[256];
286 struct sysctl_oid *oidp;
287 struct sysctl_ctx_entry *e;
288
289 if (arg == NULL)
290 return(EINVAL);
291
292 sc = arg;
293 vals = sc->ndis_regvals;
294
295 TAILQ_INIT(&sc->ndis_cfglist_head);
296
297#if __FreeBSD_version < 502113
298 /* Create the sysctl tree. */
299
300 sc->ndis_tree = SYSCTL_ADD_NODE(&sc->ndis_ctx,
301 SYSCTL_STATIC_CHILDREN(_hw), OID_AUTO,
302 device_get_nameunit(sc->ndis_dev), CTLFLAG_RD, 0,
303 device_get_desc(sc->ndis_dev));
304
305#endif
306 /* Add the driver-specific registry keys. */
307
308 while(1) {
309 if (vals->nc_cfgkey == NULL)
310 break;
311
312 if (vals->nc_idx != sc->ndis_devidx) {
313 vals++;
314 continue;
315 }
316
317 /* See if we already have a sysctl with this name */
318
319 oidp = NULL;
320#if __FreeBSD_version < 502113
321 TAILQ_FOREACH(e, &sc->ndis_ctx, link) {
322#else
323 TAILQ_FOREACH(e, device_get_sysctl_ctx(sc->ndis_dev), link) {
324#endif
325 oidp = e->entry;
326 if (ndis_strcasecmp(oidp->oid_name,
327 vals->nc_cfgkey) == 0)
328 break;
329 oidp = NULL;
330 }
331
332 if (oidp != NULL) {
333 vals++;
334 continue;
335 }
336
337 ndis_add_sysctl(sc, vals->nc_cfgkey, vals->nc_cfgdesc,
338 vals->nc_val, CTLFLAG_RW);
339 vals++;
340 }
341
342 /* Now add a couple of builtin keys. */
343
344 /*
345 * Environment can be either Windows (0) or WindowsNT (1).
346 * We qualify as the latter.
347 */
348 ndis_add_sysctl(sc, "Environment",
349 "Windows environment", "1", CTLFLAG_RD);
350
351 /* NDIS version should be 5.1. */
352 ndis_add_sysctl(sc, "NdisVersion",
353 "NDIS API Version", "0x00050001", CTLFLAG_RD);
354
355 /* Bus type (PCI, PCMCIA, etc...) */
356 sprintf(buf, "%d", (int)sc->ndis_iftype);
357 ndis_add_sysctl(sc, "BusType", "Bus Type", buf, CTLFLAG_RD);
358
359 if (sc->ndis_res_io != NULL) {
360 sprintf(buf, "0x%lx", rman_get_start(sc->ndis_res_io));
361 ndis_add_sysctl(sc, "IOBaseAddress",
362 "Base I/O Address", buf, CTLFLAG_RD);
363 }
364
365 if (sc->ndis_irq != NULL) {
366 sprintf(buf, "%lu", rman_get_start(sc->ndis_irq));
367 ndis_add_sysctl(sc, "InterruptNumber",
368 "Interrupt Number", buf, CTLFLAG_RD);
369 }
370
371 return(0);
372}
373
374int
375ndis_add_sysctl(arg, key, desc, val, flag)
376 void *arg;
377 char *key;
378 char *desc;
379 char *val;
380 int flag;
381{
382 struct ndis_softc *sc;
383 struct ndis_cfglist *cfg;
384 char descstr[256];
385
386 sc = arg;
387
388 cfg = malloc(sizeof(struct ndis_cfglist), M_DEVBUF, M_NOWAIT|M_ZERO);
389
390 if (cfg == NULL) {
391 printf("failed for %s\n", key);
392 return(ENOMEM);
393 }
394
395 cfg->ndis_cfg.nc_cfgkey = strdup(key, M_DEVBUF);
396 if (desc == NULL) {
397 snprintf(descstr, sizeof(descstr), "%s (dynamic)", key);
398 cfg->ndis_cfg.nc_cfgdesc = strdup(descstr, M_DEVBUF);
399 } else
400 cfg->ndis_cfg.nc_cfgdesc = strdup(desc, M_DEVBUF);
401 strcpy(cfg->ndis_cfg.nc_val, val);
402
403 TAILQ_INSERT_TAIL(&sc->ndis_cfglist_head, cfg, link);
404
405 cfg->ndis_oid =
406#if __FreeBSD_version < 502113
407 SYSCTL_ADD_STRING(&sc->ndis_ctx, SYSCTL_CHILDREN(sc->ndis_tree),
408#else
409 SYSCTL_ADD_STRING(device_get_sysctl_ctx(sc->ndis_dev),
410 SYSCTL_CHILDREN(device_get_sysctl_tree(sc->ndis_dev)),
411#endif
412 OID_AUTO, cfg->ndis_cfg.nc_cfgkey, flag,
413 cfg->ndis_cfg.nc_val, sizeof(cfg->ndis_cfg.nc_val),
414 cfg->ndis_cfg.nc_cfgdesc);
415
416 return(0);
417}
418
419/*
420 * Somewhere, somebody decided "hey, let's automatically create
421 * a sysctl tree for each device instance as it's created -- it'll
422 * make life so much easier!" Lies. Why must they turn the kernel
423 * into a house of lies?
424 */
425
426int
427ndis_flush_sysctls(arg)
428 void *arg;
429{
430 struct ndis_softc *sc;
431 struct ndis_cfglist *cfg;
432 struct sysctl_ctx_list *clist;
433
434 sc = arg;
435
436#if __FreeBSD_version < 502113
437 clist = &sc->ndis_ctx;
438#else
439 clist = device_get_sysctl_ctx(sc->ndis_dev);
440#endif
441
442 while (!TAILQ_EMPTY(&sc->ndis_cfglist_head)) {
443 cfg = TAILQ_FIRST(&sc->ndis_cfglist_head);
444 TAILQ_REMOVE(&sc->ndis_cfglist_head, cfg, link);
445 sysctl_ctx_entry_del(clist, cfg->ndis_oid);
446 sysctl_remove_oid(cfg->ndis_oid, 1, 0);
447 free(cfg->ndis_cfg.nc_cfgkey, M_DEVBUF);
448 free(cfg->ndis_cfg.nc_cfgdesc, M_DEVBUF);
449 free(cfg, M_DEVBUF);
450 }
451
452 return(0);
453}
454
455static void
456ndis_return(dobj, arg)
457 device_object *dobj;
458 void *arg;
459{
460 ndis_miniport_block *block;
461 ndis_miniport_characteristics *ch;
462 ndis_return_handler returnfunc;
463 ndis_handle adapter;
464 ndis_packet *p;
465 uint8_t irql;
466 list_entry *l;
467
468 block = arg;
469 ch = IoGetDriverObjectExtension(dobj->do_drvobj, (void *)1);
470
471 p = arg;
472 adapter = block->nmb_miniportadapterctx;
473
474 if (adapter == NULL)
475 return;
476
477 returnfunc = ch->nmc_return_packet_func;
478
479 KeAcquireSpinLock(&block->nmb_returnlock, &irql);
480 while (!IsListEmpty(&block->nmb_returnlist)) {
481 l = RemoveHeadList((&block->nmb_returnlist));
482 p = CONTAINING_RECORD(l, ndis_packet, np_list);
483 InitializeListHead((&p->np_list));
484 KeReleaseSpinLock(&block->nmb_returnlock, irql);
485 MSCALL2(returnfunc, adapter, p);
486 KeAcquireSpinLock(&block->nmb_returnlock, &irql);
487 }
488 KeReleaseSpinLock(&block->nmb_returnlock, irql);
489
490 return;
491}
492
493void
494ndis_return_packet(buf, arg)
495 void *buf; /* not used */
496 void *arg;
497{
498 ndis_packet *p;
499 ndis_miniport_block *block;
500
501 if (arg == NULL)
502 return;
503
504 p = arg;
505
506 /* Decrement refcount. */
507 p->np_refcnt--;
508
509 /* Release packet when refcount hits zero, otherwise return. */
510 if (p->np_refcnt)
511 return;
512
513 block = ((struct ndis_softc *)p->np_softc)->ndis_block;
514
515 KeAcquireSpinLockAtDpcLevel(&block->nmb_returnlock);
516 InitializeListHead((&p->np_list));
517 InsertHeadList((&block->nmb_returnlist), (&p->np_list));
518 KeReleaseSpinLockFromDpcLevel(&block->nmb_returnlock);
519
520 IoQueueWorkItem(block->nmb_returnitem,
521 (io_workitem_func)kernndis_functbl[7].ipt_wrap,
522 WORKQUEUE_CRITICAL, block);
523
524 return;
525}
526
527void
528ndis_free_bufs(b0)
529 ndis_buffer *b0;
530{
531 ndis_buffer *next;
532
533 if (b0 == NULL)
534 return;
535
536 while(b0 != NULL) {
537 next = b0->mdl_next;
538 IoFreeMdl(b0);
539 b0 = next;
540 }
541
542 return;
543}
544int in_reset = 0;
545void
546ndis_free_packet(p)
547 ndis_packet *p;
548{
549 if (p == NULL)
550 return;
551
552 ndis_free_bufs(p->np_private.npp_head);
553 NdisFreePacket(p);
554 return;
555}
556
557int
558ndis_convert_res(arg)
559 void *arg;
560{
561 struct ndis_softc *sc;
562 ndis_resource_list *rl = NULL;
563 cm_partial_resource_desc *prd = NULL;
564 ndis_miniport_block *block;
565 device_t dev;
566 struct resource_list *brl;
567 struct resource_list_entry *brle;
568#if __FreeBSD_version < 600022
569 struct resource_list brl_rev;
570 struct resource_list_entry *n;
571#endif
572 int error = 0;
573
574 sc = arg;
575 block = sc->ndis_block;
576 dev = sc->ndis_dev;
577
578#if __FreeBSD_version < 600022
579 SLIST_INIT(&brl_rev);
580#endif
581
582 rl = malloc(sizeof(ndis_resource_list) +
583 (sizeof(cm_partial_resource_desc) * (sc->ndis_rescnt - 1)),
584 M_DEVBUF, M_NOWAIT|M_ZERO);
585
586 if (rl == NULL)
587 return(ENOMEM);
588
589 rl->cprl_version = 5;
590 rl->cprl_version = 1;
591 rl->cprl_count = sc->ndis_rescnt;
592 prd = rl->cprl_partial_descs;
593
594 brl = BUS_GET_RESOURCE_LIST(dev, dev);
595
596 if (brl != NULL) {
597
598#if __FreeBSD_version < 600022
599 /*
600 * We have a small problem. Some PCI devices have
601 * multiple I/O ranges. Windows orders them starting
602 * from lowest numbered BAR to highest. We discover
603 * them in that order too, but insert them into a singly
604 * linked list head first, which means when time comes
605 * to traverse the list, we enumerate them in reverse
606 * order. This screws up some drivers which expect the
607 * BARs to be in ascending order so that they can choose
608 * the "first" one as their register space. Unfortunately,
609 * in order to fix this, we have to create our own
610 * temporary list with the entries in reverse order.
611 */
612
613 SLIST_FOREACH(brle, brl, link) {
614 n = malloc(sizeof(struct resource_list_entry),
615 M_TEMP, M_NOWAIT);
616 if (n == NULL) {
617 error = ENOMEM;
618 goto bad;
619 }
620 bcopy((char *)brle, (char *)n,
621 sizeof(struct resource_list_entry));
622 SLIST_INSERT_HEAD(&brl_rev, n, link);
623 }
624
625 SLIST_FOREACH(brle, &brl_rev, link) {
626#else
627 STAILQ_FOREACH(brle, brl, link) {
628#endif
629 switch (brle->type) {
630 case SYS_RES_IOPORT:
631 prd->cprd_type = CmResourceTypePort;
632 prd->cprd_flags = CM_RESOURCE_PORT_IO;
633 prd->cprd_sharedisp =
634 CmResourceShareDeviceExclusive;
635 prd->u.cprd_port.cprd_start.np_quad =
636 brle->start;
637 prd->u.cprd_port.cprd_len = brle->count;
638 break;
639 case SYS_RES_MEMORY:
640 prd->cprd_type = CmResourceTypeMemory;
641 prd->cprd_flags =
642 CM_RESOURCE_MEMORY_READ_WRITE;
643 prd->cprd_sharedisp =
644 CmResourceShareDeviceExclusive;
645 prd->u.cprd_port.cprd_start.np_quad =
646 brle->start;
647 prd->u.cprd_port.cprd_len = brle->count;
648 break;
649 case SYS_RES_IRQ:
650 prd->cprd_type = CmResourceTypeInterrupt;
651 prd->cprd_flags = 0;
652 /*
653 * Always mark interrupt resources as
654 * shared, since in our implementation,
655 * they will be.
656 */
657 prd->cprd_sharedisp =
658 CmResourceShareShared;
659 prd->u.cprd_intr.cprd_level = brle->start;
660 prd->u.cprd_intr.cprd_vector = brle->start;
661 prd->u.cprd_intr.cprd_affinity = 0;
662 break;
663 default:
664 break;
665 }
666 prd++;
667 }
668 }
669
670 block->nmb_rlist = rl;
671
672#if __FreeBSD_version < 600022
673bad:
674
675 while (!SLIST_EMPTY(&brl_rev)) {
676 n = SLIST_FIRST(&brl_rev);
677 SLIST_REMOVE_HEAD(&brl_rev, link);
678 free (n, M_TEMP);
679 }
680#endif
681
682 return(error);
683}
684
685/*
686 * Map an NDIS packet to an mbuf list. When an NDIS driver receives a
687 * packet, it will hand it to us in the form of an ndis_packet,
688 * which we need to convert to an mbuf that is then handed off
689 * to the stack. Note: we configure the mbuf list so that it uses
690 * the memory regions specified by the ndis_buffer structures in
691 * the ndis_packet as external storage. In most cases, this will
692 * point to a memory region allocated by the driver (either by
693 * ndis_malloc_withtag() or ndis_alloc_sharedmem()). We expect
694 * the driver to handle free()ing this region for is, so we set up
695 * a dummy no-op free handler for it.
696 */
697
698int
699ndis_ptom(m0, p)
700 struct mbuf **m0;
701 ndis_packet *p;
702{
703 struct mbuf *m = NULL, *prev = NULL;
704 ndis_buffer *buf;
705 ndis_packet_private *priv;
706 uint32_t totlen = 0;
707 struct ifnet *ifp;
708 struct ether_header *eh;
709 int diff;
710
711 if (p == NULL || m0 == NULL)
712 return(EINVAL);
713
714 priv = &p->np_private;
715 buf = priv->npp_head;
716 p->np_refcnt = 0;
717
718 for (buf = priv->npp_head; buf != NULL; buf = buf->mdl_next) {
719 if (buf == priv->npp_head)
720 MGETHDR(m, M_DONTWAIT, MT_HEADER);
721 else
722 MGET(m, M_DONTWAIT, MT_DATA);
723 if (m == NULL) {
724 m_freem(*m0);
725 *m0 = NULL;
726 return(ENOBUFS);
727 }
728 m->m_len = MmGetMdlByteCount(buf);
729 m->m_data = MmGetMdlVirtualAddress(buf);
730 MEXTADD(m, m->m_data, m->m_len, ndis_return_packet,
731 p, 0, EXT_NDIS);
732 p->np_refcnt++;
733
734 totlen += m->m_len;
735 if (m->m_flags & M_PKTHDR)
736 *m0 = m;
737 else
738 prev->m_next = m;
739 prev = m;
740 }
741
742 /*
743 * This is a hack to deal with the Marvell 8335 driver
744 * which, when associated with an AP in WPA-PSK mode,
745 * seems to overpad its frames by 8 bytes. I don't know
746 * that the extra 8 bytes are for, and they're not there
747 * in open mode, so for now clamp the frame size at 1514
748 * until I can figure out how to deal with this properly,
749 * otherwise if_ethersubr() will spank us by discarding
750 * the 'oversize' frames.
751 */
752
753 eh = mtod((*m0), struct ether_header *);
754 ifp = ((struct ndis_softc *)p->np_softc)->ifp;
755 if (totlen > ETHER_MAX_FRAME(ifp, eh->ether_type, FALSE)) {
756 diff = totlen - ETHER_MAX_FRAME(ifp, eh->ether_type, FALSE);
757 totlen -= diff;
758 m->m_len -= diff;
759 }
760 (*m0)->m_pkthdr.len = totlen;
761
762 return(0);
763}
764
765/*
766 * Create an NDIS packet from an mbuf chain.
767 * This is used mainly when transmitting packets, where we need
768 * to turn an mbuf off an interface's send queue and transform it
769 * into an NDIS packet which will be fed into the NDIS driver's
770 * send routine.
771 *
772 * NDIS packets consist of two parts: an ndis_packet structure,
773 * which is vaguely analagous to the pkthdr portion of an mbuf,
774 * and one or more ndis_buffer structures, which define the
775 * actual memory segments in which the packet data resides.
776 * We need to allocate one ndis_buffer for each mbuf in a chain,
777 * plus one ndis_packet as the header.
778 */
779
780int
781ndis_mtop(m0, p)
782 struct mbuf *m0;
783 ndis_packet **p;
784{
785 struct mbuf *m;
786 ndis_buffer *buf = NULL, *prev = NULL;
787 ndis_packet_private *priv;
788
789 if (p == NULL || *p == NULL || m0 == NULL)
790 return(EINVAL);
791
792 priv = &(*p)->np_private;
793 priv->npp_totlen = m0->m_pkthdr.len;
794
795 for (m = m0; m != NULL; m = m->m_next) {
796 if (m->m_len == 0)
797 continue;
798 buf = IoAllocateMdl(m->m_data, m->m_len, FALSE, FALSE, NULL);
799 if (buf == NULL) {
800 ndis_free_packet(*p);
801 *p = NULL;
802 return(ENOMEM);
803 }
804 MmBuildMdlForNonPagedPool(buf);
805
806 if (priv->npp_head == NULL)
807 priv->npp_head = buf;
808 else
809 prev->mdl_next = buf;
810 prev = buf;
811 }
812
813 priv->npp_tail = buf;
814
815 return(0);
816}
817
818int
819ndis_get_supported_oids(arg, oids, oidcnt)
820 void *arg;
821 ndis_oid **oids;
822 int *oidcnt;
823{
824 int len, rval;
825 ndis_oid *o;
826
827 if (arg == NULL || oids == NULL || oidcnt == NULL)
828 return(EINVAL);
829 len = 0;
830 ndis_get_info(arg, OID_GEN_SUPPORTED_LIST, NULL, &len);
831
832 o = malloc(len, M_DEVBUF, M_NOWAIT);
833 if (o == NULL)
834 return(ENOMEM);
835
836 rval = ndis_get_info(arg, OID_GEN_SUPPORTED_LIST, o, &len);
837
838 if (rval) {
839 free(o, M_DEVBUF);
840 return(rval);
841 }
842
843 *oids = o;
844 *oidcnt = len / 4;
845
846 return(0);
847}
848
849int
850ndis_set_info(arg, oid, buf, buflen)
851 void *arg;
852 ndis_oid oid;
853 void *buf;
854 int *buflen;
855{
856 struct ndis_softc *sc;
857 ndis_status rval;
858 ndis_handle adapter;
859 ndis_setinfo_handler setfunc;
860 uint32_t byteswritten = 0, bytesneeded = 0;
861 uint8_t irql;
862 uint64_t duetime;
863
864 /*
865 * According to the NDIS spec, MiniportQueryInformation()
866 * and MiniportSetInformation() requests are handled serially:
867 * once one request has been issued, we must wait for it to
868 * finish before allowing another request to proceed.
869 */
870
871 sc = arg;
872
873 KeAcquireSpinLock(&sc->ndis_block->nmb_lock, &irql);
874
875 if (sc->ndis_block->nmb_pendingreq != NULL) {
876 KeReleaseSpinLock(&sc->ndis_block->nmb_lock, irql);
877 panic("ndis_set_info() called while other request pending");
878 } else
879 sc->ndis_block->nmb_pendingreq = (ndis_request *)sc;
880
881 setfunc = sc->ndis_chars->nmc_setinfo_func;
882 adapter = sc->ndis_block->nmb_miniportadapterctx;
883
884 if (adapter == NULL || setfunc == NULL ||
885 sc->ndis_block->nmb_devicectx == NULL) {
886 sc->ndis_block->nmb_pendingreq = NULL;
887 KeReleaseSpinLock(&sc->ndis_block->nmb_lock, irql);
888 return(ENXIO);
889 }
890
891 rval = MSCALL6(setfunc, adapter, oid, buf, *buflen,
892 &byteswritten, &bytesneeded);
893
894 sc->ndis_block->nmb_pendingreq = NULL;
895
896 KeReleaseSpinLock(&sc->ndis_block->nmb_lock, irql);
897
898 if (rval == NDIS_STATUS_PENDING) {
899 /* Wait up to 5 seconds. */
900 duetime = (5 * 1000000) * -10;
901 KeResetEvent(&sc->ndis_block->nmb_setevent);
902 KeWaitForSingleObject(&sc->ndis_block->nmb_setevent,
903 0, 0, FALSE, &duetime);
904 rval = sc->ndis_block->nmb_setstat;
905 }
906
907 if (byteswritten)
908 *buflen = byteswritten;
909 if (bytesneeded)
910 *buflen = bytesneeded;
911
912 if (rval == NDIS_STATUS_INVALID_LENGTH)
913 return(ENOSPC);
914
915 if (rval == NDIS_STATUS_INVALID_OID)
916 return(EINVAL);
917
918 if (rval == NDIS_STATUS_NOT_SUPPORTED ||
919 rval == NDIS_STATUS_NOT_ACCEPTED)
920 return(ENOTSUP);
921
922 if (rval != NDIS_STATUS_SUCCESS)
923 return(ENODEV);
924
925 return(0);
926}
927
928typedef void (*ndis_senddone_func)(ndis_handle, ndis_packet *, ndis_status);
929
930int
931ndis_send_packets(arg, packets, cnt)
932 void *arg;
933 ndis_packet **packets;
934 int cnt;
935{
936 struct ndis_softc *sc;
937 ndis_handle adapter;
938 ndis_sendmulti_handler sendfunc;
939 ndis_senddone_func senddonefunc;
940 int i;
941 ndis_packet *p;
942 uint8_t irql;
943
944 sc = arg;
945 adapter = sc->ndis_block->nmb_miniportadapterctx;
946 if (adapter == NULL)
947 return(ENXIO);
948 sendfunc = sc->ndis_chars->nmc_sendmulti_func;
949 senddonefunc = sc->ndis_block->nmb_senddone_func;
950
951 if (NDIS_SERIALIZED(sc->ndis_block))
952 KeAcquireSpinLock(&sc->ndis_block->nmb_lock, &irql);
953
954 MSCALL3(sendfunc, adapter, packets, cnt);
955
956 for (i = 0; i < cnt; i++) {
957 p = packets[i];
958 /*
959 * Either the driver already handed the packet to
960 * ndis_txeof() due to a failure, or it wants to keep
961 * it and release it asynchronously later. Skip to the
962 * next one.
963 */
964 if (p == NULL || p->np_oob.npo_status == NDIS_STATUS_PENDING)
965 continue;
966 MSCALL3(senddonefunc, sc->ndis_block, p, p->np_oob.npo_status);
967 }
968
969 if (NDIS_SERIALIZED(sc->ndis_block))
970 KeReleaseSpinLock(&sc->ndis_block->nmb_lock, irql);
971
972 return(0);
973}
974
975int
976ndis_send_packet(arg, packet)
977 void *arg;
978 ndis_packet *packet;
979{
980 struct ndis_softc *sc;
981 ndis_handle adapter;
982 ndis_status status;
983 ndis_sendsingle_handler sendfunc;
984 ndis_senddone_func senddonefunc;
985 uint8_t irql;
986
987 sc = arg;
988 adapter = sc->ndis_block->nmb_miniportadapterctx;
989 if (adapter == NULL)
990 return(ENXIO);
991 sendfunc = sc->ndis_chars->nmc_sendsingle_func;
992 senddonefunc = sc->ndis_block->nmb_senddone_func;
993
994 if (NDIS_SERIALIZED(sc->ndis_block))
995 KeAcquireSpinLock(&sc->ndis_block->nmb_lock, &irql);
996 status = MSCALL3(sendfunc, adapter, packet,
997 packet->np_private.npp_flags);
998
999 if (status == NDIS_STATUS_PENDING) {
1000 if (NDIS_SERIALIZED(sc->ndis_block))
1001 KeReleaseSpinLock(&sc->ndis_block->nmb_lock, irql);
1002 return(0);
1003 }
1004
1005 MSCALL3(senddonefunc, sc->ndis_block, packet, status);
1006
1007 if (NDIS_SERIALIZED(sc->ndis_block))
1008 KeReleaseSpinLock(&sc->ndis_block->nmb_lock, irql);
1009
1010 return(0);
1011}
1012
1013int
1014ndis_init_dma(arg)
1015 void *arg;
1016{
1017 struct ndis_softc *sc;
1018 int i, error;
1019
1020 sc = arg;
1021
1022 sc->ndis_tmaps = malloc(sizeof(bus_dmamap_t) * sc->ndis_maxpkts,
1023 M_DEVBUF, M_NOWAIT|M_ZERO);
1024
1025 if (sc->ndis_tmaps == NULL)
1026 return(ENOMEM);
1027
1028 for (i = 0; i < sc->ndis_maxpkts; i++) {
1029 error = bus_dmamap_create(sc->ndis_ttag, 0,
1030 &sc->ndis_tmaps[i]);
1031 if (error) {
1032 free(sc->ndis_tmaps, M_DEVBUF);
1033 return(ENODEV);
1034 }
1035 }
1036
1037 return(0);
1038}
1039
1040int
1041ndis_destroy_dma(arg)
1042 void *arg;
1043{
1044 struct ndis_softc *sc;
1045 struct mbuf *m;
1046 ndis_packet *p = NULL;
1047 int i;
1048
1049 sc = arg;
1050
1051 for (i = 0; i < sc->ndis_maxpkts; i++) {
1052 if (sc->ndis_txarray[i] != NULL) {
1053 p = sc->ndis_txarray[i];
1054 m = (struct mbuf *)p->np_rsvd[1];
1055 if (m != NULL)
1056 m_freem(m);
1057 ndis_free_packet(sc->ndis_txarray[i]);
1058 }
1059 bus_dmamap_destroy(sc->ndis_ttag, sc->ndis_tmaps[i]);
1060 }
1061
1062 free(sc->ndis_tmaps, M_DEVBUF);
1063
1064 bus_dma_tag_destroy(sc->ndis_ttag);
1065
1066 return(0);
1067}
1068
1069int
1070ndis_reset_nic(arg)
1071 void *arg;
1072{
1073 struct ndis_softc *sc;
1074 ndis_handle adapter;
1075 ndis_reset_handler resetfunc;
1076 uint8_t addressing_reset;
1077 int rval;
1078 uint8_t irql;
1079
1080 sc = arg;
1081
1082 NDIS_LOCK(sc);
1083 adapter = sc->ndis_block->nmb_miniportadapterctx;
1084 resetfunc = sc->ndis_chars->nmc_reset_func;
1085
1086 if (adapter == NULL || resetfunc == NULL ||
1087 sc->ndis_block->nmb_devicectx == NULL) {
1088 NDIS_UNLOCK(sc);
1089 return(EIO);
1090 }
1091
1092 NDIS_UNLOCK(sc);
1093
1094 if (NDIS_SERIALIZED(sc->ndis_block))
1095 KeAcquireSpinLock(&sc->ndis_block->nmb_lock, &irql);
1096
1097 rval = MSCALL2(resetfunc, &addressing_reset, adapter);
1098
1099 if (NDIS_SERIALIZED(sc->ndis_block))
1100 KeReleaseSpinLock(&sc->ndis_block->nmb_lock, irql);
1101
1102 if (rval == NDIS_STATUS_PENDING) {
1103 KeResetEvent(&sc->ndis_block->nmb_resetevent);
1104 KeWaitForSingleObject(&sc->ndis_block->nmb_resetevent,
1105 0, 0, FALSE, NULL);
1106 }
1107
1108 return(0);
1109}
1110
1111#undef NDIS_REAP_TIMERS
1112
1113int
1114ndis_halt_nic(arg)
1115 void *arg;
1116{
1117 struct ndis_softc *sc;
1118 ndis_handle adapter;
1119 ndis_halt_handler haltfunc;
1120#ifdef NDIS_REAP_TIMERS
1121 ndis_miniport_timer *t, *n;
1122#endif
1123 ndis_miniport_block *block;
1124 int empty = 0;
1125 uint8_t irql;
1126
1127 sc = arg;
1128 block = sc->ndis_block;
1129
1130#ifdef NDIS_REAP_TIMERS
1131 /*
1132 * Drivers are sometimes very lax about cancelling all
1133 * their timers. Cancel them all ourselves, just to be
1134 * safe. We must do this before invoking MiniportHalt(),
1135 * since if we wait until after, the memory in which
1136 * the timers reside will no longer be valid.
1137 */
1138
1139 t = sc->ndis_block->nmb_timerlist;
1140 while (t != NULL) {
1141 KeCancelTimer(&t->nmt_ktimer);
1142 n = t;
1143 t = t->nmt_nexttimer;
1144 n->nmt_nexttimer = NULL;
1145 }
1146 sc->ndis_block->nmb_timerlist = NULL;
1147#endif
1148 if (!cold)
1149 KeFlushQueuedDpcs();
1150
1151 /*
1152 * Wait for all packets to be returned.
1153 */
1154
1155 while (1) {
1156 KeAcquireSpinLock(&block->nmb_returnlock, &irql);
1157 empty = IsListEmpty(&block->nmb_returnlist);
1158 KeReleaseSpinLock(&block->nmb_returnlock, irql);
1159 if (empty)
1160 break;
1161 NdisMSleep(1000);
1162 }
1163
1164 NDIS_LOCK(sc);
1165 adapter = sc->ndis_block->nmb_miniportadapterctx;
1166 if (adapter == NULL) {
1167 NDIS_UNLOCK(sc);
1168 return(EIO);
1169 }
1170
1171 sc->ndis_block->nmb_devicectx = NULL;
1172
1173 /*
1174 * The adapter context is only valid after the init
1175 * handler has been called, and is invalid once the
1176 * halt handler has been called.
1177 */
1178
1179 haltfunc = sc->ndis_chars->nmc_halt_func;
1180 NDIS_UNLOCK(sc);
1181
1182 MSCALL1(haltfunc, adapter);
1183
1184 NDIS_LOCK(sc);
1185 sc->ndis_block->nmb_miniportadapterctx = NULL;
1186 NDIS_UNLOCK(sc);
1187
1188 return(0);
1189}
1190
1191int
1192ndis_shutdown_nic(arg)
1193 void *arg;
1194{
1195 struct ndis_softc *sc;
1196 ndis_handle adapter;
1197 ndis_shutdown_handler shutdownfunc;
1198
1199 sc = arg;
1200 NDIS_LOCK(sc);
1201 adapter = sc->ndis_block->nmb_miniportadapterctx;
1202 shutdownfunc = sc->ndis_chars->nmc_shutdown_handler;
1203 NDIS_UNLOCK(sc);
1204 if (adapter == NULL || shutdownfunc == NULL)
1205 return(EIO);
1206
1207 if (sc->ndis_chars->nmc_rsvd0 == NULL)
1208 MSCALL1(shutdownfunc, adapter);
1209 else
1210 MSCALL1(shutdownfunc, sc->ndis_chars->nmc_rsvd0);
1211
1212 TAILQ_REMOVE(&ndis_devhead, sc->ndis_block, link);
1213
1214 return(0);
1215}
1216
1217int
1218ndis_init_nic(arg)
1219 void *arg;
1220{
1221 struct ndis_softc *sc;
1222 ndis_miniport_block *block;
1223 ndis_init_handler initfunc;
1224 ndis_status status, openstatus = 0;
1225 ndis_medium mediumarray[NdisMediumMax];
1226 uint32_t chosenmedium, i;
1227
1228 if (arg == NULL)
1229 return(EINVAL);
1230
1231 sc = arg;
1232 NDIS_LOCK(sc);
1233 block = sc->ndis_block;
1234 initfunc = sc->ndis_chars->nmc_init_func;
1235 NDIS_UNLOCK(sc);
1236
1237 sc->ndis_block->nmb_timerlist = NULL;
1238
1239 for (i = 0; i < NdisMediumMax; i++)
1240 mediumarray[i] = i;
1241
1242 status = MSCALL6(initfunc, &openstatus, &chosenmedium,
1243 mediumarray, NdisMediumMax, block, block);
1244
1245 /*
1246 * If the init fails, blow away the other exported routines
1247 * we obtained from the driver so we can't call them later.
1248 * If the init failed, none of these will work.
1249 */
1250 if (status != NDIS_STATUS_SUCCESS) {
1251 NDIS_LOCK(sc);
1252 sc->ndis_block->nmb_miniportadapterctx = NULL;
1253 NDIS_UNLOCK(sc);
1254 return(ENXIO);
1255 }
1256
1257 /*
1258 * This may look really goofy, but apparently it is possible
1259 * to halt a miniport too soon after it's been initialized.
1260 * After MiniportInitialize() finishes, pause for 1 second
1261 * to give the chip a chance to handle any short-lived timers
1262 * that were set in motion. If we call MiniportHalt() too soon,
1263 * some of the timers may not be cancelled, because the driver
1264 * expects them to fire before the halt is called.
1265 */
1266
1267 tsleep(curthread->td_proc, PWAIT, "ndwait", hz);
1268
1269 NDIS_LOCK(sc);
1270 sc->ndis_block->nmb_devicectx = sc;
1271 NDIS_UNLOCK(sc);
1272
1273 return(0);
1274}
1275
1276void
1277ndis_enable_intr(arg)
1278 void *arg;
1279{
1280 struct ndis_softc *sc;
1281 ndis_handle adapter;
1282 ndis_enable_interrupts_handler intrenbfunc;
1283
1284 sc = arg;
1285 adapter = sc->ndis_block->nmb_miniportadapterctx;
1286 intrenbfunc = sc->ndis_chars->nmc_enable_interrupts_func;
1287 if (adapter == NULL || intrenbfunc == NULL)
1288 return;
1289 MSCALL1(intrenbfunc, adapter);
1290
1291 return;
1292}
1293
1294void
1295ndis_disable_intr(arg)
1296 void *arg;
1297{
1298 struct ndis_softc *sc;
1299 ndis_handle adapter;
1300 ndis_disable_interrupts_handler intrdisfunc;
1301
1302 sc = arg;
1303 adapter = sc->ndis_block->nmb_miniportadapterctx;
1304 intrdisfunc = sc->ndis_chars->nmc_disable_interrupts_func;
1305 if (adapter == NULL || intrdisfunc == NULL)
1306 return;
1307
1308 MSCALL1(intrdisfunc, adapter);
1309
1310 return;
1311}
1312
1313int
1314ndis_isr(arg, ourintr, callhandler)
1315 void *arg;
1316 int *ourintr;
1317 int *callhandler;
1318{
1319 struct ndis_softc *sc;
1320 ndis_handle adapter;
1321 ndis_isr_handler isrfunc;
1322 uint8_t accepted, queue;
1323
1324 if (arg == NULL || ourintr == NULL || callhandler == NULL)
1325 return(EINVAL);
1326
1327 sc = arg;
1328 adapter = sc->ndis_block->nmb_miniportadapterctx;
1329 isrfunc = sc->ndis_chars->nmc_isr_func;
1330
1331 if (adapter == NULL || isrfunc == NULL)
1332 return(ENXIO);
1333
1334 MSCALL3(isrfunc, &accepted, &queue, adapter);
1335
1336 *ourintr = accepted;
1337 *callhandler = queue;
1338
1339 return(0);
1340}
1341
1342static void
1343ndis_intrsetup(dpc, dobj, ip, sc)
1344 kdpc *dpc;
1345 device_object *dobj;
1346 irp *ip;
1347 struct ndis_softc *sc;
1348{
1349 ndis_miniport_interrupt *intr;
1350
1351 intr = sc->ndis_block->nmb_interrupt;
1352
1353 /* Sanity check. */
1354
1355 if (intr == NULL)
1356 return;
1357
1358 KeAcquireSpinLockAtDpcLevel(&intr->ni_dpccountlock);
1359 KeResetEvent(&intr->ni_dpcevt);
1360 if (KeInsertQueueDpc(&intr->ni_dpc, NULL, NULL) == TRUE)
1361 intr->ni_dpccnt++;
1362 KeReleaseSpinLockFromDpcLevel(&intr->ni_dpccountlock);
1363
1364 return;
1365}
1366
1367int
1368ndis_get_info(arg, oid, buf, buflen)
1369 void *arg;
1370 ndis_oid oid;
1371 void *buf;
1372 int *buflen;
1373{
1374 struct ndis_softc *sc;
1375 ndis_status rval;
1376 ndis_handle adapter;
1377 ndis_queryinfo_handler queryfunc;
1378 uint32_t byteswritten = 0, bytesneeded = 0;
1379 uint8_t irql;
1380 uint64_t duetime;
1381
1382 sc = arg;
1383
1384 KeAcquireSpinLock(&sc->ndis_block->nmb_lock, &irql);
1385
1386 if (sc->ndis_block->nmb_pendingreq != NULL) {
1387 KeReleaseSpinLock(&sc->ndis_block->nmb_lock, irql);
1388 panic("ndis_get_info() called while other request pending");
1389 } else
1390 sc->ndis_block->nmb_pendingreq = (ndis_request *)sc;
1391
1392 queryfunc = sc->ndis_chars->nmc_queryinfo_func;
1393 adapter = sc->ndis_block->nmb_miniportadapterctx;
1394
1395 if (adapter == NULL || queryfunc == NULL ||
1396 sc->ndis_block->nmb_devicectx == NULL) {
1397 sc->ndis_block->nmb_pendingreq = NULL;
1398 KeReleaseSpinLock(&sc->ndis_block->nmb_lock, irql);
1399 return(ENXIO);
1400 }
1401
1402 rval = MSCALL6(queryfunc, adapter, oid, buf, *buflen,
1403 &byteswritten, &bytesneeded);
1404
1405 sc->ndis_block->nmb_pendingreq = NULL;
1406
1407 KeReleaseSpinLock(&sc->ndis_block->nmb_lock, irql);
1408
1409 /* Wait for requests that block. */
1410
1411 if (rval == NDIS_STATUS_PENDING) {
1412 /* Wait up to 5 seconds. */
1413 duetime = (5 * 1000000) * -10;
1414 KeResetEvent(&sc->ndis_block->nmb_getevent);
1415 KeWaitForSingleObject(&sc->ndis_block->nmb_getevent,
1416 0, 0, FALSE, &duetime);
1417 rval = sc->ndis_block->nmb_getstat;
1418 }
1419
1420 if (byteswritten)
1421 *buflen = byteswritten;
1422 if (bytesneeded)
1423 *buflen = bytesneeded;
1424
1425 if (rval == NDIS_STATUS_INVALID_LENGTH ||
1426 rval == NDIS_STATUS_BUFFER_TOO_SHORT)
1427 return(ENOSPC);
1428
1429 if (rval == NDIS_STATUS_INVALID_OID)
1430 return(EINVAL);
1431
1432 if (rval == NDIS_STATUS_NOT_SUPPORTED ||
1433 rval == NDIS_STATUS_NOT_ACCEPTED)
1434 return(ENOTSUP);
1435
1436 if (rval != NDIS_STATUS_SUCCESS)
1437 return(ENODEV);
1438
1439 return(0);
1440}
1441
1442uint32_t
1443NdisAddDevice(drv, pdo)
1444 driver_object *drv;
1445 device_object *pdo;
1446{
1447 device_object *fdo;
1448 ndis_miniport_block *block;
1449 struct ndis_softc *sc;
1450 uint32_t status;
1451 int error;
1452
1453 sc = device_get_softc(pdo->do_devext);
1454
1455 if (sc->ndis_iftype == PCMCIABus || sc->ndis_iftype == PCIBus) {
1456 error = bus_setup_intr(sc->ndis_dev, sc->ndis_irq,
1457 INTR_TYPE_NET | INTR_MPSAFE,
1458 ntoskrnl_intr, NULL, &sc->ndis_intrhand);
1459 if (error)
1460 return(NDIS_STATUS_FAILURE);
1461 }
1462
1463 status = IoCreateDevice(drv, sizeof(ndis_miniport_block), NULL,
1464 FILE_DEVICE_UNKNOWN, 0, FALSE, &fdo);
1465
1466 if (status != STATUS_SUCCESS)
1467 return(status);
1468
1469 block = fdo->do_devext;
1470
1471 block->nmb_filterdbs.nf_ethdb = block;
1472 block->nmb_deviceobj = fdo;
1473 block->nmb_physdeviceobj = pdo;
1474 block->nmb_nextdeviceobj = IoAttachDeviceToDeviceStack(fdo, pdo);
1475 KeInitializeSpinLock(&block->nmb_lock);
1476 KeInitializeSpinLock(&block->nmb_returnlock);
1477 KeInitializeEvent(&block->nmb_getevent, EVENT_TYPE_NOTIFY, TRUE);
1478 KeInitializeEvent(&block->nmb_setevent, EVENT_TYPE_NOTIFY, TRUE);
1479 KeInitializeEvent(&block->nmb_resetevent, EVENT_TYPE_NOTIFY, TRUE);
1480 InitializeListHead(&block->nmb_parmlist);
1481 InitializeListHead(&block->nmb_returnlist);
1482 block->nmb_returnitem = IoAllocateWorkItem(fdo);
1483
1484 /*
1485 * Stash pointers to the miniport block and miniport
1486 * characteristics info in the if_ndis softc so the
1487 * UNIX wrapper driver can get to them later.
1488 */
1489 sc->ndis_block = block;
1490 sc->ndis_chars = IoGetDriverObjectExtension(drv, (void *)1);
1491
1492 /*
1493 * If the driver has a MiniportTransferData() function,
1494 * we should allocate a private RX packet pool.
1495 */
1496
1497 if (sc->ndis_chars->nmc_transferdata_func != NULL) {
1498 NdisAllocatePacketPool(&status, &block->nmb_rxpool,
1499 32, PROTOCOL_RESERVED_SIZE_IN_PACKET);
1500 if (status != NDIS_STATUS_SUCCESS) {
1501 IoDetachDevice(block->nmb_nextdeviceobj);
1502 IoDeleteDevice(fdo);
1503 return(status);
1504 }
1505 InitializeListHead((&block->nmb_packetlist));
1506 }
1507
1508 /* Give interrupt handling priority over timers. */
1509 IoInitializeDpcRequest(fdo, kernndis_functbl[6].ipt_wrap);
1510 KeSetImportanceDpc(&fdo->do_dpc, KDPC_IMPORTANCE_HIGH);
1511
1512 /* Finish up BSD-specific setup. */
1513
1514 block->nmb_signature = (void *)0xcafebabe;
1515 block->nmb_status_func = kernndis_functbl[0].ipt_wrap;
1516 block->nmb_statusdone_func = kernndis_functbl[1].ipt_wrap;
1517 block->nmb_setdone_func = kernndis_functbl[2].ipt_wrap;
1518 block->nmb_querydone_func = kernndis_functbl[3].ipt_wrap;
1519 block->nmb_resetdone_func = kernndis_functbl[4].ipt_wrap;
1520 block->nmb_sendrsrc_func = kernndis_functbl[5].ipt_wrap;
1521 block->nmb_pendingreq = NULL;
1522
1523 TAILQ_INSERT_TAIL(&ndis_devhead, block, link);
1524
1525 return (STATUS_SUCCESS);
1526}
1527
1528int
1529ndis_unload_driver(arg)
1530 void *arg;
1531{
1532 struct ndis_softc *sc;
1533 device_object *fdo;
1534
1535 sc = arg;
1536
1537 if (sc->ndis_intrhand)
1538 bus_teardown_intr(sc->ndis_dev,
1539 sc->ndis_irq, sc->ndis_intrhand);
1540
1541 if (sc->ndis_block->nmb_rlist != NULL)
1542 free(sc->ndis_block->nmb_rlist, M_DEVBUF);
1543
1544 ndis_flush_sysctls(sc);
1545
1546 TAILQ_REMOVE(&ndis_devhead, sc->ndis_block, link);
1547
1548 if (sc->ndis_chars->nmc_transferdata_func != NULL)
1549 NdisFreePacketPool(sc->ndis_block->nmb_rxpool);
1550 fdo = sc->ndis_block->nmb_deviceobj;
1551 IoFreeWorkItem(sc->ndis_block->nmb_returnitem);
1552 IoDetachDevice(sc->ndis_block->nmb_nextdeviceobj);
1553 IoDeleteDevice(fdo);
1554
1555 return(0);
1556}
2 * Copyright (c) 2003
3 * Bill Paul <wpaul@windriver.com>. All rights reserved.
4 *
5 * Redistribution and use in source and binary forms, with or without
6 * modification, are permitted provided that the following conditions
7 * are met:
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.
19 *
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.
31 */
32
33#include <sys/cdefs.h>
34__FBSDID("$FreeBSD: head/sys/compat/ndis/kern_ndis.c 151451 2005-10-18 19:52:15Z wpaul $");
35
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>
45#include <sys/proc.h>
46#include <sys/malloc.h>
47#include <sys/lock.h>
48#include <sys/mutex.h>
49#include <sys/conf.h>
50
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>
56#include <sys/bus.h>
57#include <sys/rman.h>
58
59#include <net/if.h>
60#include <net/if_arp.h>
61#include <net/ethernet.h>
62#include <net/if_dl.h>
63#include <net/if_media.h>
64
65#include <net80211/ieee80211_var.h>
66#include <net80211/ieee80211_ioctl.h>
67
68#include <compat/ndis/pe_var.h>
69#include <compat/ndis/cfg_var.h>
70#include <compat/ndis/resource_var.h>
71#include <compat/ndis/ntoskrnl_var.h>
72#include <compat/ndis/ndis_var.h>
73#include <compat/ndis/hal_var.h>
74#include <compat/ndis/usbd_var.h>
75#include <dev/if_ndis/if_ndisvar.h>
76
77#define NDIS_DUMMY_PATH "\\\\some\\bogus\\path"
78
79static void ndis_status_func(ndis_handle, ndis_status, void *, uint32_t);
80static void ndis_statusdone_func(ndis_handle);
81static void ndis_setdone_func(ndis_handle, ndis_status);
82static void ndis_getdone_func(ndis_handle, ndis_status);
83static void ndis_resetdone_func(ndis_handle, ndis_status, uint8_t);
84static void ndis_sendrsrcavail_func(ndis_handle);
85static void ndis_intrsetup(kdpc *, device_object *,
86 irp *, struct ndis_softc *);
87static void ndis_return(device_object *, void *);
88
89static image_patch_table kernndis_functbl[] = {
90 IMPORT_SFUNC(ndis_status_func, 4),
91 IMPORT_SFUNC(ndis_statusdone_func, 1),
92 IMPORT_SFUNC(ndis_setdone_func, 2),
93 IMPORT_SFUNC(ndis_getdone_func, 2),
94 IMPORT_SFUNC(ndis_resetdone_func, 3),
95 IMPORT_SFUNC(ndis_sendrsrcavail_func, 1),
96 IMPORT_SFUNC(ndis_intrsetup, 4),
97 IMPORT_SFUNC(ndis_return, 1),
98
99 { NULL, NULL, NULL }
100};
101
102static struct nd_head ndis_devhead;
103
104/*
105 * This allows us to export our symbols to other modules.
106 * Note that we call ourselves 'ndisapi' to avoid a namespace
107 * collision with if_ndis.ko, which internally calls itself
108 * 'ndis.'
109 *
110 * Note: some of the subsystems depend on each other, so the
111 * order in which they're started is important. The order of
112 * importance is:
113 *
114 * HAL - spinlocks and IRQL manipulation
115 * ntoskrnl - DPC and workitem threads, object waiting
116 * windrv - driver/device registration
117 *
118 * The HAL should also be the last thing shut down, since
119 * the ntoskrnl subsystem will use spinlocks right up until
120 * the DPC and workitem threads are terminated.
121 */
122
123static int
124ndis_modevent(module_t mod, int cmd, void *arg)
125{
126 int error = 0;
127 image_patch_table *patch;
128
129 switch (cmd) {
130 case MOD_LOAD:
131 /* Initialize subsystems */
132 hal_libinit();
133 ntoskrnl_libinit();
134 windrv_libinit();
135 ndis_libinit();
136 usbd_libinit();
137
138 patch = kernndis_functbl;
139 while (patch->ipt_func != NULL) {
140 windrv_wrap((funcptr)patch->ipt_func,
141 (funcptr *)&patch->ipt_wrap,
142 patch->ipt_argcnt, patch->ipt_ftype);
143 patch++;
144 }
145
146 TAILQ_INIT(&ndis_devhead);
147
148 break;
149 case MOD_SHUTDOWN:
150 if (TAILQ_FIRST(&ndis_devhead) == NULL) {
151 /* Shut down subsystems */
152 ndis_libfini();
153 usbd_libfini();
154 windrv_libfini();
155 ntoskrnl_libfini();
156 hal_libfini();
157
158 patch = kernndis_functbl;
159 while (patch->ipt_func != NULL) {
160 windrv_unwrap(patch->ipt_wrap);
161 patch++;
162 }
163 }
164 break;
165 case MOD_UNLOAD:
166 /* Shut down subsystems */
167 ndis_libfini();
168 usbd_libfini();
169 windrv_libfini();
170 ntoskrnl_libfini();
171 hal_libfini();
172
173 patch = kernndis_functbl;
174 while (patch->ipt_func != NULL) {
175 windrv_unwrap(patch->ipt_wrap);
176 patch++;
177 }
178
179 break;
180 default:
181 error = EINVAL;
182 break;
183 }
184
185 return(error);
186}
187DEV_MODULE(ndisapi, ndis_modevent, NULL);
188MODULE_VERSION(ndisapi, 1);
189
190static void
191ndis_sendrsrcavail_func(adapter)
192 ndis_handle adapter;
193{
194 return;
195}
196
197static void
198ndis_status_func(adapter, status, sbuf, slen)
199 ndis_handle adapter;
200 ndis_status status;
201 void *sbuf;
202 uint32_t slen;
203{
204 ndis_miniport_block *block;
205 struct ndis_softc *sc;
206 struct ifnet *ifp;
207
208 block = adapter;
209 sc = device_get_softc(block->nmb_physdeviceobj->do_devext);
210 ifp = sc->ifp;
211 if (ifp->if_flags & IFF_DEBUG)
212 device_printf (sc->ndis_dev, "status: %x\n", status);
213 return;
214}
215
216static void
217ndis_statusdone_func(adapter)
218 ndis_handle adapter;
219{
220 ndis_miniport_block *block;
221 struct ndis_softc *sc;
222 struct ifnet *ifp;
223
224 block = adapter;
225 sc = device_get_softc(block->nmb_physdeviceobj->do_devext);
226 ifp = sc->ifp;
227 if (ifp->if_flags & IFF_DEBUG)
228 device_printf (sc->ndis_dev, "status complete\n");
229 return;
230}
231
232static void
233ndis_setdone_func(adapter, status)
234 ndis_handle adapter;
235 ndis_status status;
236{
237 ndis_miniport_block *block;
238 block = adapter;
239
240 block->nmb_setstat = status;
241 KeSetEvent(&block->nmb_setevent, IO_NO_INCREMENT, FALSE);
242 return;
243}
244
245static void
246ndis_getdone_func(adapter, status)
247 ndis_handle adapter;
248 ndis_status status;
249{
250 ndis_miniport_block *block;
251 block = adapter;
252
253 block->nmb_getstat = status;
254 KeSetEvent(&block->nmb_getevent, IO_NO_INCREMENT, FALSE);
255 return;
256}
257
258static void
259ndis_resetdone_func(adapter, status, addressingreset)
260 ndis_handle adapter;
261 ndis_status status;
262 uint8_t addressingreset;
263{
264 ndis_miniport_block *block;
265 struct ndis_softc *sc;
266 struct ifnet *ifp;
267
268 block = adapter;
269 sc = device_get_softc(block->nmb_physdeviceobj->do_devext);
270 ifp = sc->ifp;
271
272 if (ifp->if_flags & IFF_DEBUG)
273 device_printf (sc->ndis_dev, "reset done...\n");
274 KeSetEvent(&block->nmb_resetevent, IO_NO_INCREMENT, FALSE);
275
276 return;
277}
278
279int
280ndis_create_sysctls(arg)
281 void *arg;
282{
283 struct ndis_softc *sc;
284 ndis_cfg *vals;
285 char buf[256];
286 struct sysctl_oid *oidp;
287 struct sysctl_ctx_entry *e;
288
289 if (arg == NULL)
290 return(EINVAL);
291
292 sc = arg;
293 vals = sc->ndis_regvals;
294
295 TAILQ_INIT(&sc->ndis_cfglist_head);
296
297#if __FreeBSD_version < 502113
298 /* Create the sysctl tree. */
299
300 sc->ndis_tree = SYSCTL_ADD_NODE(&sc->ndis_ctx,
301 SYSCTL_STATIC_CHILDREN(_hw), OID_AUTO,
302 device_get_nameunit(sc->ndis_dev), CTLFLAG_RD, 0,
303 device_get_desc(sc->ndis_dev));
304
305#endif
306 /* Add the driver-specific registry keys. */
307
308 while(1) {
309 if (vals->nc_cfgkey == NULL)
310 break;
311
312 if (vals->nc_idx != sc->ndis_devidx) {
313 vals++;
314 continue;
315 }
316
317 /* See if we already have a sysctl with this name */
318
319 oidp = NULL;
320#if __FreeBSD_version < 502113
321 TAILQ_FOREACH(e, &sc->ndis_ctx, link) {
322#else
323 TAILQ_FOREACH(e, device_get_sysctl_ctx(sc->ndis_dev), link) {
324#endif
325 oidp = e->entry;
326 if (ndis_strcasecmp(oidp->oid_name,
327 vals->nc_cfgkey) == 0)
328 break;
329 oidp = NULL;
330 }
331
332 if (oidp != NULL) {
333 vals++;
334 continue;
335 }
336
337 ndis_add_sysctl(sc, vals->nc_cfgkey, vals->nc_cfgdesc,
338 vals->nc_val, CTLFLAG_RW);
339 vals++;
340 }
341
342 /* Now add a couple of builtin keys. */
343
344 /*
345 * Environment can be either Windows (0) or WindowsNT (1).
346 * We qualify as the latter.
347 */
348 ndis_add_sysctl(sc, "Environment",
349 "Windows environment", "1", CTLFLAG_RD);
350
351 /* NDIS version should be 5.1. */
352 ndis_add_sysctl(sc, "NdisVersion",
353 "NDIS API Version", "0x00050001", CTLFLAG_RD);
354
355 /* Bus type (PCI, PCMCIA, etc...) */
356 sprintf(buf, "%d", (int)sc->ndis_iftype);
357 ndis_add_sysctl(sc, "BusType", "Bus Type", buf, CTLFLAG_RD);
358
359 if (sc->ndis_res_io != NULL) {
360 sprintf(buf, "0x%lx", rman_get_start(sc->ndis_res_io));
361 ndis_add_sysctl(sc, "IOBaseAddress",
362 "Base I/O Address", buf, CTLFLAG_RD);
363 }
364
365 if (sc->ndis_irq != NULL) {
366 sprintf(buf, "%lu", rman_get_start(sc->ndis_irq));
367 ndis_add_sysctl(sc, "InterruptNumber",
368 "Interrupt Number", buf, CTLFLAG_RD);
369 }
370
371 return(0);
372}
373
374int
375ndis_add_sysctl(arg, key, desc, val, flag)
376 void *arg;
377 char *key;
378 char *desc;
379 char *val;
380 int flag;
381{
382 struct ndis_softc *sc;
383 struct ndis_cfglist *cfg;
384 char descstr[256];
385
386 sc = arg;
387
388 cfg = malloc(sizeof(struct ndis_cfglist), M_DEVBUF, M_NOWAIT|M_ZERO);
389
390 if (cfg == NULL) {
391 printf("failed for %s\n", key);
392 return(ENOMEM);
393 }
394
395 cfg->ndis_cfg.nc_cfgkey = strdup(key, M_DEVBUF);
396 if (desc == NULL) {
397 snprintf(descstr, sizeof(descstr), "%s (dynamic)", key);
398 cfg->ndis_cfg.nc_cfgdesc = strdup(descstr, M_DEVBUF);
399 } else
400 cfg->ndis_cfg.nc_cfgdesc = strdup(desc, M_DEVBUF);
401 strcpy(cfg->ndis_cfg.nc_val, val);
402
403 TAILQ_INSERT_TAIL(&sc->ndis_cfglist_head, cfg, link);
404
405 cfg->ndis_oid =
406#if __FreeBSD_version < 502113
407 SYSCTL_ADD_STRING(&sc->ndis_ctx, SYSCTL_CHILDREN(sc->ndis_tree),
408#else
409 SYSCTL_ADD_STRING(device_get_sysctl_ctx(sc->ndis_dev),
410 SYSCTL_CHILDREN(device_get_sysctl_tree(sc->ndis_dev)),
411#endif
412 OID_AUTO, cfg->ndis_cfg.nc_cfgkey, flag,
413 cfg->ndis_cfg.nc_val, sizeof(cfg->ndis_cfg.nc_val),
414 cfg->ndis_cfg.nc_cfgdesc);
415
416 return(0);
417}
418
419/*
420 * Somewhere, somebody decided "hey, let's automatically create
421 * a sysctl tree for each device instance as it's created -- it'll
422 * make life so much easier!" Lies. Why must they turn the kernel
423 * into a house of lies?
424 */
425
426int
427ndis_flush_sysctls(arg)
428 void *arg;
429{
430 struct ndis_softc *sc;
431 struct ndis_cfglist *cfg;
432 struct sysctl_ctx_list *clist;
433
434 sc = arg;
435
436#if __FreeBSD_version < 502113
437 clist = &sc->ndis_ctx;
438#else
439 clist = device_get_sysctl_ctx(sc->ndis_dev);
440#endif
441
442 while (!TAILQ_EMPTY(&sc->ndis_cfglist_head)) {
443 cfg = TAILQ_FIRST(&sc->ndis_cfglist_head);
444 TAILQ_REMOVE(&sc->ndis_cfglist_head, cfg, link);
445 sysctl_ctx_entry_del(clist, cfg->ndis_oid);
446 sysctl_remove_oid(cfg->ndis_oid, 1, 0);
447 free(cfg->ndis_cfg.nc_cfgkey, M_DEVBUF);
448 free(cfg->ndis_cfg.nc_cfgdesc, M_DEVBUF);
449 free(cfg, M_DEVBUF);
450 }
451
452 return(0);
453}
454
455static void
456ndis_return(dobj, arg)
457 device_object *dobj;
458 void *arg;
459{
460 ndis_miniport_block *block;
461 ndis_miniport_characteristics *ch;
462 ndis_return_handler returnfunc;
463 ndis_handle adapter;
464 ndis_packet *p;
465 uint8_t irql;
466 list_entry *l;
467
468 block = arg;
469 ch = IoGetDriverObjectExtension(dobj->do_drvobj, (void *)1);
470
471 p = arg;
472 adapter = block->nmb_miniportadapterctx;
473
474 if (adapter == NULL)
475 return;
476
477 returnfunc = ch->nmc_return_packet_func;
478
479 KeAcquireSpinLock(&block->nmb_returnlock, &irql);
480 while (!IsListEmpty(&block->nmb_returnlist)) {
481 l = RemoveHeadList((&block->nmb_returnlist));
482 p = CONTAINING_RECORD(l, ndis_packet, np_list);
483 InitializeListHead((&p->np_list));
484 KeReleaseSpinLock(&block->nmb_returnlock, irql);
485 MSCALL2(returnfunc, adapter, p);
486 KeAcquireSpinLock(&block->nmb_returnlock, &irql);
487 }
488 KeReleaseSpinLock(&block->nmb_returnlock, irql);
489
490 return;
491}
492
493void
494ndis_return_packet(buf, arg)
495 void *buf; /* not used */
496 void *arg;
497{
498 ndis_packet *p;
499 ndis_miniport_block *block;
500
501 if (arg == NULL)
502 return;
503
504 p = arg;
505
506 /* Decrement refcount. */
507 p->np_refcnt--;
508
509 /* Release packet when refcount hits zero, otherwise return. */
510 if (p->np_refcnt)
511 return;
512
513 block = ((struct ndis_softc *)p->np_softc)->ndis_block;
514
515 KeAcquireSpinLockAtDpcLevel(&block->nmb_returnlock);
516 InitializeListHead((&p->np_list));
517 InsertHeadList((&block->nmb_returnlist), (&p->np_list));
518 KeReleaseSpinLockFromDpcLevel(&block->nmb_returnlock);
519
520 IoQueueWorkItem(block->nmb_returnitem,
521 (io_workitem_func)kernndis_functbl[7].ipt_wrap,
522 WORKQUEUE_CRITICAL, block);
523
524 return;
525}
526
527void
528ndis_free_bufs(b0)
529 ndis_buffer *b0;
530{
531 ndis_buffer *next;
532
533 if (b0 == NULL)
534 return;
535
536 while(b0 != NULL) {
537 next = b0->mdl_next;
538 IoFreeMdl(b0);
539 b0 = next;
540 }
541
542 return;
543}
544int in_reset = 0;
545void
546ndis_free_packet(p)
547 ndis_packet *p;
548{
549 if (p == NULL)
550 return;
551
552 ndis_free_bufs(p->np_private.npp_head);
553 NdisFreePacket(p);
554 return;
555}
556
557int
558ndis_convert_res(arg)
559 void *arg;
560{
561 struct ndis_softc *sc;
562 ndis_resource_list *rl = NULL;
563 cm_partial_resource_desc *prd = NULL;
564 ndis_miniport_block *block;
565 device_t dev;
566 struct resource_list *brl;
567 struct resource_list_entry *brle;
568#if __FreeBSD_version < 600022
569 struct resource_list brl_rev;
570 struct resource_list_entry *n;
571#endif
572 int error = 0;
573
574 sc = arg;
575 block = sc->ndis_block;
576 dev = sc->ndis_dev;
577
578#if __FreeBSD_version < 600022
579 SLIST_INIT(&brl_rev);
580#endif
581
582 rl = malloc(sizeof(ndis_resource_list) +
583 (sizeof(cm_partial_resource_desc) * (sc->ndis_rescnt - 1)),
584 M_DEVBUF, M_NOWAIT|M_ZERO);
585
586 if (rl == NULL)
587 return(ENOMEM);
588
589 rl->cprl_version = 5;
590 rl->cprl_version = 1;
591 rl->cprl_count = sc->ndis_rescnt;
592 prd = rl->cprl_partial_descs;
593
594 brl = BUS_GET_RESOURCE_LIST(dev, dev);
595
596 if (brl != NULL) {
597
598#if __FreeBSD_version < 600022
599 /*
600 * We have a small problem. Some PCI devices have
601 * multiple I/O ranges. Windows orders them starting
602 * from lowest numbered BAR to highest. We discover
603 * them in that order too, but insert them into a singly
604 * linked list head first, which means when time comes
605 * to traverse the list, we enumerate them in reverse
606 * order. This screws up some drivers which expect the
607 * BARs to be in ascending order so that they can choose
608 * the "first" one as their register space. Unfortunately,
609 * in order to fix this, we have to create our own
610 * temporary list with the entries in reverse order.
611 */
612
613 SLIST_FOREACH(brle, brl, link) {
614 n = malloc(sizeof(struct resource_list_entry),
615 M_TEMP, M_NOWAIT);
616 if (n == NULL) {
617 error = ENOMEM;
618 goto bad;
619 }
620 bcopy((char *)brle, (char *)n,
621 sizeof(struct resource_list_entry));
622 SLIST_INSERT_HEAD(&brl_rev, n, link);
623 }
624
625 SLIST_FOREACH(brle, &brl_rev, link) {
626#else
627 STAILQ_FOREACH(brle, brl, link) {
628#endif
629 switch (brle->type) {
630 case SYS_RES_IOPORT:
631 prd->cprd_type = CmResourceTypePort;
632 prd->cprd_flags = CM_RESOURCE_PORT_IO;
633 prd->cprd_sharedisp =
634 CmResourceShareDeviceExclusive;
635 prd->u.cprd_port.cprd_start.np_quad =
636 brle->start;
637 prd->u.cprd_port.cprd_len = brle->count;
638 break;
639 case SYS_RES_MEMORY:
640 prd->cprd_type = CmResourceTypeMemory;
641 prd->cprd_flags =
642 CM_RESOURCE_MEMORY_READ_WRITE;
643 prd->cprd_sharedisp =
644 CmResourceShareDeviceExclusive;
645 prd->u.cprd_port.cprd_start.np_quad =
646 brle->start;
647 prd->u.cprd_port.cprd_len = brle->count;
648 break;
649 case SYS_RES_IRQ:
650 prd->cprd_type = CmResourceTypeInterrupt;
651 prd->cprd_flags = 0;
652 /*
653 * Always mark interrupt resources as
654 * shared, since in our implementation,
655 * they will be.
656 */
657 prd->cprd_sharedisp =
658 CmResourceShareShared;
659 prd->u.cprd_intr.cprd_level = brle->start;
660 prd->u.cprd_intr.cprd_vector = brle->start;
661 prd->u.cprd_intr.cprd_affinity = 0;
662 break;
663 default:
664 break;
665 }
666 prd++;
667 }
668 }
669
670 block->nmb_rlist = rl;
671
672#if __FreeBSD_version < 600022
673bad:
674
675 while (!SLIST_EMPTY(&brl_rev)) {
676 n = SLIST_FIRST(&brl_rev);
677 SLIST_REMOVE_HEAD(&brl_rev, link);
678 free (n, M_TEMP);
679 }
680#endif
681
682 return(error);
683}
684
685/*
686 * Map an NDIS packet to an mbuf list. When an NDIS driver receives a
687 * packet, it will hand it to us in the form of an ndis_packet,
688 * which we need to convert to an mbuf that is then handed off
689 * to the stack. Note: we configure the mbuf list so that it uses
690 * the memory regions specified by the ndis_buffer structures in
691 * the ndis_packet as external storage. In most cases, this will
692 * point to a memory region allocated by the driver (either by
693 * ndis_malloc_withtag() or ndis_alloc_sharedmem()). We expect
694 * the driver to handle free()ing this region for is, so we set up
695 * a dummy no-op free handler for it.
696 */
697
698int
699ndis_ptom(m0, p)
700 struct mbuf **m0;
701 ndis_packet *p;
702{
703 struct mbuf *m = NULL, *prev = NULL;
704 ndis_buffer *buf;
705 ndis_packet_private *priv;
706 uint32_t totlen = 0;
707 struct ifnet *ifp;
708 struct ether_header *eh;
709 int diff;
710
711 if (p == NULL || m0 == NULL)
712 return(EINVAL);
713
714 priv = &p->np_private;
715 buf = priv->npp_head;
716 p->np_refcnt = 0;
717
718 for (buf = priv->npp_head; buf != NULL; buf = buf->mdl_next) {
719 if (buf == priv->npp_head)
720 MGETHDR(m, M_DONTWAIT, MT_HEADER);
721 else
722 MGET(m, M_DONTWAIT, MT_DATA);
723 if (m == NULL) {
724 m_freem(*m0);
725 *m0 = NULL;
726 return(ENOBUFS);
727 }
728 m->m_len = MmGetMdlByteCount(buf);
729 m->m_data = MmGetMdlVirtualAddress(buf);
730 MEXTADD(m, m->m_data, m->m_len, ndis_return_packet,
731 p, 0, EXT_NDIS);
732 p->np_refcnt++;
733
734 totlen += m->m_len;
735 if (m->m_flags & M_PKTHDR)
736 *m0 = m;
737 else
738 prev->m_next = m;
739 prev = m;
740 }
741
742 /*
743 * This is a hack to deal with the Marvell 8335 driver
744 * which, when associated with an AP in WPA-PSK mode,
745 * seems to overpad its frames by 8 bytes. I don't know
746 * that the extra 8 bytes are for, and they're not there
747 * in open mode, so for now clamp the frame size at 1514
748 * until I can figure out how to deal with this properly,
749 * otherwise if_ethersubr() will spank us by discarding
750 * the 'oversize' frames.
751 */
752
753 eh = mtod((*m0), struct ether_header *);
754 ifp = ((struct ndis_softc *)p->np_softc)->ifp;
755 if (totlen > ETHER_MAX_FRAME(ifp, eh->ether_type, FALSE)) {
756 diff = totlen - ETHER_MAX_FRAME(ifp, eh->ether_type, FALSE);
757 totlen -= diff;
758 m->m_len -= diff;
759 }
760 (*m0)->m_pkthdr.len = totlen;
761
762 return(0);
763}
764
765/*
766 * Create an NDIS packet from an mbuf chain.
767 * This is used mainly when transmitting packets, where we need
768 * to turn an mbuf off an interface's send queue and transform it
769 * into an NDIS packet which will be fed into the NDIS driver's
770 * send routine.
771 *
772 * NDIS packets consist of two parts: an ndis_packet structure,
773 * which is vaguely analagous to the pkthdr portion of an mbuf,
774 * and one or more ndis_buffer structures, which define the
775 * actual memory segments in which the packet data resides.
776 * We need to allocate one ndis_buffer for each mbuf in a chain,
777 * plus one ndis_packet as the header.
778 */
779
780int
781ndis_mtop(m0, p)
782 struct mbuf *m0;
783 ndis_packet **p;
784{
785 struct mbuf *m;
786 ndis_buffer *buf = NULL, *prev = NULL;
787 ndis_packet_private *priv;
788
789 if (p == NULL || *p == NULL || m0 == NULL)
790 return(EINVAL);
791
792 priv = &(*p)->np_private;
793 priv->npp_totlen = m0->m_pkthdr.len;
794
795 for (m = m0; m != NULL; m = m->m_next) {
796 if (m->m_len == 0)
797 continue;
798 buf = IoAllocateMdl(m->m_data, m->m_len, FALSE, FALSE, NULL);
799 if (buf == NULL) {
800 ndis_free_packet(*p);
801 *p = NULL;
802 return(ENOMEM);
803 }
804 MmBuildMdlForNonPagedPool(buf);
805
806 if (priv->npp_head == NULL)
807 priv->npp_head = buf;
808 else
809 prev->mdl_next = buf;
810 prev = buf;
811 }
812
813 priv->npp_tail = buf;
814
815 return(0);
816}
817
818int
819ndis_get_supported_oids(arg, oids, oidcnt)
820 void *arg;
821 ndis_oid **oids;
822 int *oidcnt;
823{
824 int len, rval;
825 ndis_oid *o;
826
827 if (arg == NULL || oids == NULL || oidcnt == NULL)
828 return(EINVAL);
829 len = 0;
830 ndis_get_info(arg, OID_GEN_SUPPORTED_LIST, NULL, &len);
831
832 o = malloc(len, M_DEVBUF, M_NOWAIT);
833 if (o == NULL)
834 return(ENOMEM);
835
836 rval = ndis_get_info(arg, OID_GEN_SUPPORTED_LIST, o, &len);
837
838 if (rval) {
839 free(o, M_DEVBUF);
840 return(rval);
841 }
842
843 *oids = o;
844 *oidcnt = len / 4;
845
846 return(0);
847}
848
849int
850ndis_set_info(arg, oid, buf, buflen)
851 void *arg;
852 ndis_oid oid;
853 void *buf;
854 int *buflen;
855{
856 struct ndis_softc *sc;
857 ndis_status rval;
858 ndis_handle adapter;
859 ndis_setinfo_handler setfunc;
860 uint32_t byteswritten = 0, bytesneeded = 0;
861 uint8_t irql;
862 uint64_t duetime;
863
864 /*
865 * According to the NDIS spec, MiniportQueryInformation()
866 * and MiniportSetInformation() requests are handled serially:
867 * once one request has been issued, we must wait for it to
868 * finish before allowing another request to proceed.
869 */
870
871 sc = arg;
872
873 KeAcquireSpinLock(&sc->ndis_block->nmb_lock, &irql);
874
875 if (sc->ndis_block->nmb_pendingreq != NULL) {
876 KeReleaseSpinLock(&sc->ndis_block->nmb_lock, irql);
877 panic("ndis_set_info() called while other request pending");
878 } else
879 sc->ndis_block->nmb_pendingreq = (ndis_request *)sc;
880
881 setfunc = sc->ndis_chars->nmc_setinfo_func;
882 adapter = sc->ndis_block->nmb_miniportadapterctx;
883
884 if (adapter == NULL || setfunc == NULL ||
885 sc->ndis_block->nmb_devicectx == NULL) {
886 sc->ndis_block->nmb_pendingreq = NULL;
887 KeReleaseSpinLock(&sc->ndis_block->nmb_lock, irql);
888 return(ENXIO);
889 }
890
891 rval = MSCALL6(setfunc, adapter, oid, buf, *buflen,
892 &byteswritten, &bytesneeded);
893
894 sc->ndis_block->nmb_pendingreq = NULL;
895
896 KeReleaseSpinLock(&sc->ndis_block->nmb_lock, irql);
897
898 if (rval == NDIS_STATUS_PENDING) {
899 /* Wait up to 5 seconds. */
900 duetime = (5 * 1000000) * -10;
901 KeResetEvent(&sc->ndis_block->nmb_setevent);
902 KeWaitForSingleObject(&sc->ndis_block->nmb_setevent,
903 0, 0, FALSE, &duetime);
904 rval = sc->ndis_block->nmb_setstat;
905 }
906
907 if (byteswritten)
908 *buflen = byteswritten;
909 if (bytesneeded)
910 *buflen = bytesneeded;
911
912 if (rval == NDIS_STATUS_INVALID_LENGTH)
913 return(ENOSPC);
914
915 if (rval == NDIS_STATUS_INVALID_OID)
916 return(EINVAL);
917
918 if (rval == NDIS_STATUS_NOT_SUPPORTED ||
919 rval == NDIS_STATUS_NOT_ACCEPTED)
920 return(ENOTSUP);
921
922 if (rval != NDIS_STATUS_SUCCESS)
923 return(ENODEV);
924
925 return(0);
926}
927
928typedef void (*ndis_senddone_func)(ndis_handle, ndis_packet *, ndis_status);
929
930int
931ndis_send_packets(arg, packets, cnt)
932 void *arg;
933 ndis_packet **packets;
934 int cnt;
935{
936 struct ndis_softc *sc;
937 ndis_handle adapter;
938 ndis_sendmulti_handler sendfunc;
939 ndis_senddone_func senddonefunc;
940 int i;
941 ndis_packet *p;
942 uint8_t irql;
943
944 sc = arg;
945 adapter = sc->ndis_block->nmb_miniportadapterctx;
946 if (adapter == NULL)
947 return(ENXIO);
948 sendfunc = sc->ndis_chars->nmc_sendmulti_func;
949 senddonefunc = sc->ndis_block->nmb_senddone_func;
950
951 if (NDIS_SERIALIZED(sc->ndis_block))
952 KeAcquireSpinLock(&sc->ndis_block->nmb_lock, &irql);
953
954 MSCALL3(sendfunc, adapter, packets, cnt);
955
956 for (i = 0; i < cnt; i++) {
957 p = packets[i];
958 /*
959 * Either the driver already handed the packet to
960 * ndis_txeof() due to a failure, or it wants to keep
961 * it and release it asynchronously later. Skip to the
962 * next one.
963 */
964 if (p == NULL || p->np_oob.npo_status == NDIS_STATUS_PENDING)
965 continue;
966 MSCALL3(senddonefunc, sc->ndis_block, p, p->np_oob.npo_status);
967 }
968
969 if (NDIS_SERIALIZED(sc->ndis_block))
970 KeReleaseSpinLock(&sc->ndis_block->nmb_lock, irql);
971
972 return(0);
973}
974
975int
976ndis_send_packet(arg, packet)
977 void *arg;
978 ndis_packet *packet;
979{
980 struct ndis_softc *sc;
981 ndis_handle adapter;
982 ndis_status status;
983 ndis_sendsingle_handler sendfunc;
984 ndis_senddone_func senddonefunc;
985 uint8_t irql;
986
987 sc = arg;
988 adapter = sc->ndis_block->nmb_miniportadapterctx;
989 if (adapter == NULL)
990 return(ENXIO);
991 sendfunc = sc->ndis_chars->nmc_sendsingle_func;
992 senddonefunc = sc->ndis_block->nmb_senddone_func;
993
994 if (NDIS_SERIALIZED(sc->ndis_block))
995 KeAcquireSpinLock(&sc->ndis_block->nmb_lock, &irql);
996 status = MSCALL3(sendfunc, adapter, packet,
997 packet->np_private.npp_flags);
998
999 if (status == NDIS_STATUS_PENDING) {
1000 if (NDIS_SERIALIZED(sc->ndis_block))
1001 KeReleaseSpinLock(&sc->ndis_block->nmb_lock, irql);
1002 return(0);
1003 }
1004
1005 MSCALL3(senddonefunc, sc->ndis_block, packet, status);
1006
1007 if (NDIS_SERIALIZED(sc->ndis_block))
1008 KeReleaseSpinLock(&sc->ndis_block->nmb_lock, irql);
1009
1010 return(0);
1011}
1012
1013int
1014ndis_init_dma(arg)
1015 void *arg;
1016{
1017 struct ndis_softc *sc;
1018 int i, error;
1019
1020 sc = arg;
1021
1022 sc->ndis_tmaps = malloc(sizeof(bus_dmamap_t) * sc->ndis_maxpkts,
1023 M_DEVBUF, M_NOWAIT|M_ZERO);
1024
1025 if (sc->ndis_tmaps == NULL)
1026 return(ENOMEM);
1027
1028 for (i = 0; i < sc->ndis_maxpkts; i++) {
1029 error = bus_dmamap_create(sc->ndis_ttag, 0,
1030 &sc->ndis_tmaps[i]);
1031 if (error) {
1032 free(sc->ndis_tmaps, M_DEVBUF);
1033 return(ENODEV);
1034 }
1035 }
1036
1037 return(0);
1038}
1039
1040int
1041ndis_destroy_dma(arg)
1042 void *arg;
1043{
1044 struct ndis_softc *sc;
1045 struct mbuf *m;
1046 ndis_packet *p = NULL;
1047 int i;
1048
1049 sc = arg;
1050
1051 for (i = 0; i < sc->ndis_maxpkts; i++) {
1052 if (sc->ndis_txarray[i] != NULL) {
1053 p = sc->ndis_txarray[i];
1054 m = (struct mbuf *)p->np_rsvd[1];
1055 if (m != NULL)
1056 m_freem(m);
1057 ndis_free_packet(sc->ndis_txarray[i]);
1058 }
1059 bus_dmamap_destroy(sc->ndis_ttag, sc->ndis_tmaps[i]);
1060 }
1061
1062 free(sc->ndis_tmaps, M_DEVBUF);
1063
1064 bus_dma_tag_destroy(sc->ndis_ttag);
1065
1066 return(0);
1067}
1068
1069int
1070ndis_reset_nic(arg)
1071 void *arg;
1072{
1073 struct ndis_softc *sc;
1074 ndis_handle adapter;
1075 ndis_reset_handler resetfunc;
1076 uint8_t addressing_reset;
1077 int rval;
1078 uint8_t irql;
1079
1080 sc = arg;
1081
1082 NDIS_LOCK(sc);
1083 adapter = sc->ndis_block->nmb_miniportadapterctx;
1084 resetfunc = sc->ndis_chars->nmc_reset_func;
1085
1086 if (adapter == NULL || resetfunc == NULL ||
1087 sc->ndis_block->nmb_devicectx == NULL) {
1088 NDIS_UNLOCK(sc);
1089 return(EIO);
1090 }
1091
1092 NDIS_UNLOCK(sc);
1093
1094 if (NDIS_SERIALIZED(sc->ndis_block))
1095 KeAcquireSpinLock(&sc->ndis_block->nmb_lock, &irql);
1096
1097 rval = MSCALL2(resetfunc, &addressing_reset, adapter);
1098
1099 if (NDIS_SERIALIZED(sc->ndis_block))
1100 KeReleaseSpinLock(&sc->ndis_block->nmb_lock, irql);
1101
1102 if (rval == NDIS_STATUS_PENDING) {
1103 KeResetEvent(&sc->ndis_block->nmb_resetevent);
1104 KeWaitForSingleObject(&sc->ndis_block->nmb_resetevent,
1105 0, 0, FALSE, NULL);
1106 }
1107
1108 return(0);
1109}
1110
1111#undef NDIS_REAP_TIMERS
1112
1113int
1114ndis_halt_nic(arg)
1115 void *arg;
1116{
1117 struct ndis_softc *sc;
1118 ndis_handle adapter;
1119 ndis_halt_handler haltfunc;
1120#ifdef NDIS_REAP_TIMERS
1121 ndis_miniport_timer *t, *n;
1122#endif
1123 ndis_miniport_block *block;
1124 int empty = 0;
1125 uint8_t irql;
1126
1127 sc = arg;
1128 block = sc->ndis_block;
1129
1130#ifdef NDIS_REAP_TIMERS
1131 /*
1132 * Drivers are sometimes very lax about cancelling all
1133 * their timers. Cancel them all ourselves, just to be
1134 * safe. We must do this before invoking MiniportHalt(),
1135 * since if we wait until after, the memory in which
1136 * the timers reside will no longer be valid.
1137 */
1138
1139 t = sc->ndis_block->nmb_timerlist;
1140 while (t != NULL) {
1141 KeCancelTimer(&t->nmt_ktimer);
1142 n = t;
1143 t = t->nmt_nexttimer;
1144 n->nmt_nexttimer = NULL;
1145 }
1146 sc->ndis_block->nmb_timerlist = NULL;
1147#endif
1148 if (!cold)
1149 KeFlushQueuedDpcs();
1150
1151 /*
1152 * Wait for all packets to be returned.
1153 */
1154
1155 while (1) {
1156 KeAcquireSpinLock(&block->nmb_returnlock, &irql);
1157 empty = IsListEmpty(&block->nmb_returnlist);
1158 KeReleaseSpinLock(&block->nmb_returnlock, irql);
1159 if (empty)
1160 break;
1161 NdisMSleep(1000);
1162 }
1163
1164 NDIS_LOCK(sc);
1165 adapter = sc->ndis_block->nmb_miniportadapterctx;
1166 if (adapter == NULL) {
1167 NDIS_UNLOCK(sc);
1168 return(EIO);
1169 }
1170
1171 sc->ndis_block->nmb_devicectx = NULL;
1172
1173 /*
1174 * The adapter context is only valid after the init
1175 * handler has been called, and is invalid once the
1176 * halt handler has been called.
1177 */
1178
1179 haltfunc = sc->ndis_chars->nmc_halt_func;
1180 NDIS_UNLOCK(sc);
1181
1182 MSCALL1(haltfunc, adapter);
1183
1184 NDIS_LOCK(sc);
1185 sc->ndis_block->nmb_miniportadapterctx = NULL;
1186 NDIS_UNLOCK(sc);
1187
1188 return(0);
1189}
1190
1191int
1192ndis_shutdown_nic(arg)
1193 void *arg;
1194{
1195 struct ndis_softc *sc;
1196 ndis_handle adapter;
1197 ndis_shutdown_handler shutdownfunc;
1198
1199 sc = arg;
1200 NDIS_LOCK(sc);
1201 adapter = sc->ndis_block->nmb_miniportadapterctx;
1202 shutdownfunc = sc->ndis_chars->nmc_shutdown_handler;
1203 NDIS_UNLOCK(sc);
1204 if (adapter == NULL || shutdownfunc == NULL)
1205 return(EIO);
1206
1207 if (sc->ndis_chars->nmc_rsvd0 == NULL)
1208 MSCALL1(shutdownfunc, adapter);
1209 else
1210 MSCALL1(shutdownfunc, sc->ndis_chars->nmc_rsvd0);
1211
1212 TAILQ_REMOVE(&ndis_devhead, sc->ndis_block, link);
1213
1214 return(0);
1215}
1216
1217int
1218ndis_init_nic(arg)
1219 void *arg;
1220{
1221 struct ndis_softc *sc;
1222 ndis_miniport_block *block;
1223 ndis_init_handler initfunc;
1224 ndis_status status, openstatus = 0;
1225 ndis_medium mediumarray[NdisMediumMax];
1226 uint32_t chosenmedium, i;
1227
1228 if (arg == NULL)
1229 return(EINVAL);
1230
1231 sc = arg;
1232 NDIS_LOCK(sc);
1233 block = sc->ndis_block;
1234 initfunc = sc->ndis_chars->nmc_init_func;
1235 NDIS_UNLOCK(sc);
1236
1237 sc->ndis_block->nmb_timerlist = NULL;
1238
1239 for (i = 0; i < NdisMediumMax; i++)
1240 mediumarray[i] = i;
1241
1242 status = MSCALL6(initfunc, &openstatus, &chosenmedium,
1243 mediumarray, NdisMediumMax, block, block);
1244
1245 /*
1246 * If the init fails, blow away the other exported routines
1247 * we obtained from the driver so we can't call them later.
1248 * If the init failed, none of these will work.
1249 */
1250 if (status != NDIS_STATUS_SUCCESS) {
1251 NDIS_LOCK(sc);
1252 sc->ndis_block->nmb_miniportadapterctx = NULL;
1253 NDIS_UNLOCK(sc);
1254 return(ENXIO);
1255 }
1256
1257 /*
1258 * This may look really goofy, but apparently it is possible
1259 * to halt a miniport too soon after it's been initialized.
1260 * After MiniportInitialize() finishes, pause for 1 second
1261 * to give the chip a chance to handle any short-lived timers
1262 * that were set in motion. If we call MiniportHalt() too soon,
1263 * some of the timers may not be cancelled, because the driver
1264 * expects them to fire before the halt is called.
1265 */
1266
1267 tsleep(curthread->td_proc, PWAIT, "ndwait", hz);
1268
1269 NDIS_LOCK(sc);
1270 sc->ndis_block->nmb_devicectx = sc;
1271 NDIS_UNLOCK(sc);
1272
1273 return(0);
1274}
1275
1276void
1277ndis_enable_intr(arg)
1278 void *arg;
1279{
1280 struct ndis_softc *sc;
1281 ndis_handle adapter;
1282 ndis_enable_interrupts_handler intrenbfunc;
1283
1284 sc = arg;
1285 adapter = sc->ndis_block->nmb_miniportadapterctx;
1286 intrenbfunc = sc->ndis_chars->nmc_enable_interrupts_func;
1287 if (adapter == NULL || intrenbfunc == NULL)
1288 return;
1289 MSCALL1(intrenbfunc, adapter);
1290
1291 return;
1292}
1293
1294void
1295ndis_disable_intr(arg)
1296 void *arg;
1297{
1298 struct ndis_softc *sc;
1299 ndis_handle adapter;
1300 ndis_disable_interrupts_handler intrdisfunc;
1301
1302 sc = arg;
1303 adapter = sc->ndis_block->nmb_miniportadapterctx;
1304 intrdisfunc = sc->ndis_chars->nmc_disable_interrupts_func;
1305 if (adapter == NULL || intrdisfunc == NULL)
1306 return;
1307
1308 MSCALL1(intrdisfunc, adapter);
1309
1310 return;
1311}
1312
1313int
1314ndis_isr(arg, ourintr, callhandler)
1315 void *arg;
1316 int *ourintr;
1317 int *callhandler;
1318{
1319 struct ndis_softc *sc;
1320 ndis_handle adapter;
1321 ndis_isr_handler isrfunc;
1322 uint8_t accepted, queue;
1323
1324 if (arg == NULL || ourintr == NULL || callhandler == NULL)
1325 return(EINVAL);
1326
1327 sc = arg;
1328 adapter = sc->ndis_block->nmb_miniportadapterctx;
1329 isrfunc = sc->ndis_chars->nmc_isr_func;
1330
1331 if (adapter == NULL || isrfunc == NULL)
1332 return(ENXIO);
1333
1334 MSCALL3(isrfunc, &accepted, &queue, adapter);
1335
1336 *ourintr = accepted;
1337 *callhandler = queue;
1338
1339 return(0);
1340}
1341
1342static void
1343ndis_intrsetup(dpc, dobj, ip, sc)
1344 kdpc *dpc;
1345 device_object *dobj;
1346 irp *ip;
1347 struct ndis_softc *sc;
1348{
1349 ndis_miniport_interrupt *intr;
1350
1351 intr = sc->ndis_block->nmb_interrupt;
1352
1353 /* Sanity check. */
1354
1355 if (intr == NULL)
1356 return;
1357
1358 KeAcquireSpinLockAtDpcLevel(&intr->ni_dpccountlock);
1359 KeResetEvent(&intr->ni_dpcevt);
1360 if (KeInsertQueueDpc(&intr->ni_dpc, NULL, NULL) == TRUE)
1361 intr->ni_dpccnt++;
1362 KeReleaseSpinLockFromDpcLevel(&intr->ni_dpccountlock);
1363
1364 return;
1365}
1366
1367int
1368ndis_get_info(arg, oid, buf, buflen)
1369 void *arg;
1370 ndis_oid oid;
1371 void *buf;
1372 int *buflen;
1373{
1374 struct ndis_softc *sc;
1375 ndis_status rval;
1376 ndis_handle adapter;
1377 ndis_queryinfo_handler queryfunc;
1378 uint32_t byteswritten = 0, bytesneeded = 0;
1379 uint8_t irql;
1380 uint64_t duetime;
1381
1382 sc = arg;
1383
1384 KeAcquireSpinLock(&sc->ndis_block->nmb_lock, &irql);
1385
1386 if (sc->ndis_block->nmb_pendingreq != NULL) {
1387 KeReleaseSpinLock(&sc->ndis_block->nmb_lock, irql);
1388 panic("ndis_get_info() called while other request pending");
1389 } else
1390 sc->ndis_block->nmb_pendingreq = (ndis_request *)sc;
1391
1392 queryfunc = sc->ndis_chars->nmc_queryinfo_func;
1393 adapter = sc->ndis_block->nmb_miniportadapterctx;
1394
1395 if (adapter == NULL || queryfunc == NULL ||
1396 sc->ndis_block->nmb_devicectx == NULL) {
1397 sc->ndis_block->nmb_pendingreq = NULL;
1398 KeReleaseSpinLock(&sc->ndis_block->nmb_lock, irql);
1399 return(ENXIO);
1400 }
1401
1402 rval = MSCALL6(queryfunc, adapter, oid, buf, *buflen,
1403 &byteswritten, &bytesneeded);
1404
1405 sc->ndis_block->nmb_pendingreq = NULL;
1406
1407 KeReleaseSpinLock(&sc->ndis_block->nmb_lock, irql);
1408
1409 /* Wait for requests that block. */
1410
1411 if (rval == NDIS_STATUS_PENDING) {
1412 /* Wait up to 5 seconds. */
1413 duetime = (5 * 1000000) * -10;
1414 KeResetEvent(&sc->ndis_block->nmb_getevent);
1415 KeWaitForSingleObject(&sc->ndis_block->nmb_getevent,
1416 0, 0, FALSE, &duetime);
1417 rval = sc->ndis_block->nmb_getstat;
1418 }
1419
1420 if (byteswritten)
1421 *buflen = byteswritten;
1422 if (bytesneeded)
1423 *buflen = bytesneeded;
1424
1425 if (rval == NDIS_STATUS_INVALID_LENGTH ||
1426 rval == NDIS_STATUS_BUFFER_TOO_SHORT)
1427 return(ENOSPC);
1428
1429 if (rval == NDIS_STATUS_INVALID_OID)
1430 return(EINVAL);
1431
1432 if (rval == NDIS_STATUS_NOT_SUPPORTED ||
1433 rval == NDIS_STATUS_NOT_ACCEPTED)
1434 return(ENOTSUP);
1435
1436 if (rval != NDIS_STATUS_SUCCESS)
1437 return(ENODEV);
1438
1439 return(0);
1440}
1441
1442uint32_t
1443NdisAddDevice(drv, pdo)
1444 driver_object *drv;
1445 device_object *pdo;
1446{
1447 device_object *fdo;
1448 ndis_miniport_block *block;
1449 struct ndis_softc *sc;
1450 uint32_t status;
1451 int error;
1452
1453 sc = device_get_softc(pdo->do_devext);
1454
1455 if (sc->ndis_iftype == PCMCIABus || sc->ndis_iftype == PCIBus) {
1456 error = bus_setup_intr(sc->ndis_dev, sc->ndis_irq,
1457 INTR_TYPE_NET | INTR_MPSAFE,
1458 ntoskrnl_intr, NULL, &sc->ndis_intrhand);
1459 if (error)
1460 return(NDIS_STATUS_FAILURE);
1461 }
1462
1463 status = IoCreateDevice(drv, sizeof(ndis_miniport_block), NULL,
1464 FILE_DEVICE_UNKNOWN, 0, FALSE, &fdo);
1465
1466 if (status != STATUS_SUCCESS)
1467 return(status);
1468
1469 block = fdo->do_devext;
1470
1471 block->nmb_filterdbs.nf_ethdb = block;
1472 block->nmb_deviceobj = fdo;
1473 block->nmb_physdeviceobj = pdo;
1474 block->nmb_nextdeviceobj = IoAttachDeviceToDeviceStack(fdo, pdo);
1475 KeInitializeSpinLock(&block->nmb_lock);
1476 KeInitializeSpinLock(&block->nmb_returnlock);
1477 KeInitializeEvent(&block->nmb_getevent, EVENT_TYPE_NOTIFY, TRUE);
1478 KeInitializeEvent(&block->nmb_setevent, EVENT_TYPE_NOTIFY, TRUE);
1479 KeInitializeEvent(&block->nmb_resetevent, EVENT_TYPE_NOTIFY, TRUE);
1480 InitializeListHead(&block->nmb_parmlist);
1481 InitializeListHead(&block->nmb_returnlist);
1482 block->nmb_returnitem = IoAllocateWorkItem(fdo);
1483
1484 /*
1485 * Stash pointers to the miniport block and miniport
1486 * characteristics info in the if_ndis softc so the
1487 * UNIX wrapper driver can get to them later.
1488 */
1489 sc->ndis_block = block;
1490 sc->ndis_chars = IoGetDriverObjectExtension(drv, (void *)1);
1491
1492 /*
1493 * If the driver has a MiniportTransferData() function,
1494 * we should allocate a private RX packet pool.
1495 */
1496
1497 if (sc->ndis_chars->nmc_transferdata_func != NULL) {
1498 NdisAllocatePacketPool(&status, &block->nmb_rxpool,
1499 32, PROTOCOL_RESERVED_SIZE_IN_PACKET);
1500 if (status != NDIS_STATUS_SUCCESS) {
1501 IoDetachDevice(block->nmb_nextdeviceobj);
1502 IoDeleteDevice(fdo);
1503 return(status);
1504 }
1505 InitializeListHead((&block->nmb_packetlist));
1506 }
1507
1508 /* Give interrupt handling priority over timers. */
1509 IoInitializeDpcRequest(fdo, kernndis_functbl[6].ipt_wrap);
1510 KeSetImportanceDpc(&fdo->do_dpc, KDPC_IMPORTANCE_HIGH);
1511
1512 /* Finish up BSD-specific setup. */
1513
1514 block->nmb_signature = (void *)0xcafebabe;
1515 block->nmb_status_func = kernndis_functbl[0].ipt_wrap;
1516 block->nmb_statusdone_func = kernndis_functbl[1].ipt_wrap;
1517 block->nmb_setdone_func = kernndis_functbl[2].ipt_wrap;
1518 block->nmb_querydone_func = kernndis_functbl[3].ipt_wrap;
1519 block->nmb_resetdone_func = kernndis_functbl[4].ipt_wrap;
1520 block->nmb_sendrsrc_func = kernndis_functbl[5].ipt_wrap;
1521 block->nmb_pendingreq = NULL;
1522
1523 TAILQ_INSERT_TAIL(&ndis_devhead, block, link);
1524
1525 return (STATUS_SUCCESS);
1526}
1527
1528int
1529ndis_unload_driver(arg)
1530 void *arg;
1531{
1532 struct ndis_softc *sc;
1533 device_object *fdo;
1534
1535 sc = arg;
1536
1537 if (sc->ndis_intrhand)
1538 bus_teardown_intr(sc->ndis_dev,
1539 sc->ndis_irq, sc->ndis_intrhand);
1540
1541 if (sc->ndis_block->nmb_rlist != NULL)
1542 free(sc->ndis_block->nmb_rlist, M_DEVBUF);
1543
1544 ndis_flush_sysctls(sc);
1545
1546 TAILQ_REMOVE(&ndis_devhead, sc->ndis_block, link);
1547
1548 if (sc->ndis_chars->nmc_transferdata_func != NULL)
1549 NdisFreePacketPool(sc->ndis_block->nmb_rxpool);
1550 fdo = sc->ndis_block->nmb_deviceobj;
1551 IoFreeWorkItem(sc->ndis_block->nmb_returnitem);
1552 IoDetachDevice(sc->ndis_block->nmb_nextdeviceobj);
1553 IoDeleteDevice(fdo);
1554
1555 return(0);
1556}