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/dev/if_ndis/if_ndis.c 123537 2003-12-14 22:47:01Z wpaul $");
|
| 34__FBSDID("$FreeBSD: head/sys/dev/if_ndis/if_ndis.c 123620 2003-12-18 03:51:21Z wpaul $"); |
35
36#include "opt_bdg.h"
37
38#include <sys/param.h>
39#include <sys/systm.h>
40#include <sys/sockio.h>
41#include <sys/mbuf.h>
42#include <sys/malloc.h>
43#include <sys/kernel.h>
44#include <sys/socket.h>
45#include <sys/queue.h>
46#include <sys/sysctl.h>
47
48#include <net/if.h>
49#include <net/if_arp.h>
50#include <net/ethernet.h>
51#include <net/if_dl.h>
52#include <net/if_media.h>
53
54#include <net/bpf.h>
55
56#include <vm/vm.h> /* for vtophys */
57#include <vm/pmap.h> /* for vtophys */
58#include <machine/bus_memio.h>
59#include <machine/bus_pio.h>
60#include <machine/bus.h>
61#include <machine/resource.h>
62#include <sys/bus.h>
63#include <sys/rman.h>
64
65#include <dev/pci/pcireg.h>
66#include <dev/pci/pcivar.h>
67
68#include <compat/ndis/pe_var.h>
69#include <compat/ndis/resource_var.h>
70#include <compat/ndis/ndis_var.h>
71#include <compat/ndis/cfg_var.h>
72#include <dev/if_ndis/if_ndisvar.h>
73
74#include "ndis_driver_data.h"
75
76MODULE_DEPEND(ndis, pci, 1, 1, 1);
77MODULE_DEPEND(ndis, ether, 1, 1, 1);
78MODULE_DEPEND(ndis, ndisapi, 1, 1, 1);
79
80/*
81 * Various supported device vendors/types and their names.
82 * These are defined in the ndis_driver_data.h file.
83 */
84static struct ndis_type ndis_devs[] = {
85#ifdef NDIS_DEV_TABLE
86 NDIS_DEV_TABLE
87#endif
|
88 { 0, 0, NULL }
|
| 88 { 0, 0, 0, NULL } |
89};
90
91#define __stdcall __attribute__((__stdcall__))
92
93static int ndis_probe (device_t);
94static int ndis_attach (device_t);
95static int ndis_detach (device_t);
96
97static __stdcall void ndis_txeof (ndis_handle,
98 ndis_packet *, ndis_status);
99static __stdcall void ndis_rxeof (ndis_handle,
100 ndis_packet **, uint32_t);
101static void ndis_intr (void *);
102static void ndis_tick (void *);
103static void ndis_start (struct ifnet *);
104static int ndis_ioctl (struct ifnet *, u_long, caddr_t);
105static void ndis_init (void *);
106static void ndis_stop (struct ndis_softc *);
107static void ndis_watchdog (struct ifnet *);
108static void ndis_shutdown (device_t);
109static int ndis_ifmedia_upd (struct ifnet *);
110static void ndis_ifmedia_sts (struct ifnet *, struct ifmediareq *);
111
112static void ndis_reset (struct ndis_softc *);
113static void ndis_setmulti (struct ndis_softc *);
114static void ndis_map_sclist (void *, bus_dma_segment_t *,
115 int, bus_size_t, int);
116
117#ifdef NDIS_USEIOSPACE
118#define NDIS_RES SYS_RES_IOPORT
119#define NDIS_RID NDIS_PCI_LOIO
120#else
121#define NDIS_RES SYS_RES_MEMORY
122#define NDIS_RID NDIS_PCI_LOMEM
123#endif
124
125static device_method_t ndis_methods[] = {
126 /* Device interface */
127 DEVMETHOD(device_probe, ndis_probe),
128 DEVMETHOD(device_attach, ndis_attach),
129 DEVMETHOD(device_detach, ndis_detach),
130 DEVMETHOD(device_shutdown, ndis_shutdown),
131
132 { 0, 0 }
133};
134
135static driver_t ndis_driver = {
136 "ndis",
137 ndis_methods,
138 sizeof(struct ndis_softc)
139};
140
141static devclass_t ndis_devclass;
142
143DRIVER_MODULE(ndis, pci, ndis_driver, ndis_devclass, 0, 0);
144
145/*
146 * Program the 64-bit multicast hash filter.
147 */
148static void
149ndis_setmulti(sc)
150 struct ndis_softc *sc;
151{
152#ifdef notyet
153 uint32_t ndis_filter;
154 int len;
155#endif
156 return;
157}
158
159static void
160ndis_reset(sc)
161 struct ndis_softc *sc;
162{
163 ndis_reset_nic(sc);
164 return;
165}
166
167/*
168 * Probe for an NDIS device. Check the PCI vendor and device
169 * IDs against our list and return a device name if we find a match.
170 */
171static int
172ndis_probe(dev)
173 device_t dev;
174{
175 struct ndis_type *t;
176
177 t = ndis_devs;
178
179 while(t->ndis_name != NULL) {
180 if ((pci_get_vendor(dev) == t->ndis_vid) &&
|
181 (pci_get_device(dev) == t->ndis_did)) {
|
181 (pci_get_device(dev) == t->ndis_did) &&
182 (pci_read_config(dev, PCIR_SUBVEND_0, 4) ==
183 t->ndis_subsys)) { |
184 device_set_desc(dev, t->ndis_name);
185 return(0);
186 }
187 t++;
188 }
189
190 return(ENXIO);
191}
192
193/*
194 * Attach the interface. Allocate softc structures, do ifmedia
195 * setup and ethernet/BPF attach.
196 */
197static int
198ndis_attach(dev)
199 device_t dev;
200{
201 u_char eaddr[ETHER_ADDR_LEN];
202 struct ndis_softc *sc;
203 struct ifnet *ifp;
204 int unit, error = 0, rid, len;
205 void *img;
|
206 struct ndis_type *t;
207 int devidx = 0, defidx = 0; |
208
|
| 209 |
210 sc = device_get_softc(dev);
211 unit = device_get_unit(dev);
212
213 mtx_init(&sc->ndis_mtx, device_get_nameunit(dev), MTX_NETWORK_LOCK,
214 MTX_DEF | MTX_RECURSE);
215
216 /*
217 * Map control/status registers.
218 */
219 pci_enable_busmaster(dev);
220
221 /* Try to map iospace */
222
223 sc->ndis_io_rid = NDIS_PCI_LOIO;
224 sc->ndis_res_io = bus_alloc_resource(dev, SYS_RES_IOPORT,
225 &sc->ndis_io_rid, 0, ~0, 1, RF_ACTIVE);
226
227 /*
228 * Sometimes the iospace and memspace BARs are swapped.
229 * Make one more try to map I/O space using a different
230 * RID.
231 */
232 if (sc->ndis_res_io == NULL) {
233 sc->ndis_io_rid = NDIS_PCI_LOMEM;
234 sc->ndis_res_io = bus_alloc_resource(dev, SYS_RES_IOPORT,
235 &sc->ndis_io_rid, 0, ~0, 1, RF_ACTIVE);
236 }
237
238 if (sc->ndis_res_io != NULL)
239 sc->ndis_rescnt++;
240
241 /* Now try to mem memory space */
242 sc->ndis_mem_rid = NDIS_PCI_LOMEM;
243 sc->ndis_res_mem = bus_alloc_resource(dev, SYS_RES_MEMORY,
244 &sc->ndis_mem_rid, 0, ~0, 1, RF_ACTIVE);
245
246 /*
247 * If the first attempt fails, try again with another
248 * BAR.
249 */
250 if (sc->ndis_res_mem == NULL) {
251 sc->ndis_mem_rid = NDIS_PCI_LOIO;
252 sc->ndis_res_mem = bus_alloc_resource(dev, SYS_RES_MEMORY,
253 &sc->ndis_mem_rid, 0, ~0, 1, RF_ACTIVE);
254 }
255
256 if (sc->ndis_res_mem != NULL)
257 sc->ndis_rescnt++;
258
259 if (!sc->ndis_rescnt) {
260 printf("ndis%d: couldn't map ports/memory\n", unit);
261 error = ENXIO;
262 goto fail;
263 }
264#ifdef notdef
265 sc->ndis_btag = rman_get_bustag(sc->ndis_res);
266 sc->ndis_bhandle = rman_get_bushandle(sc->ndis_res);
267#endif
268
269 /* Allocate interrupt */
270 rid = 0;
271 sc->ndis_irq = bus_alloc_resource(dev, SYS_RES_IRQ, &rid, 0, ~0, 1,
272 RF_SHAREABLE | RF_ACTIVE);
273
274 if (sc->ndis_irq == NULL) {
275 printf("ndis%d: couldn't map interrupt\n", unit);
276 error = ENXIO;
277 goto fail;
278 }
279
280 sc->ndis_rescnt++;
281
282 /*
283 * Allocate the parent bus DMA tag appropriate for PCI.
284 */
285#define NDIS_NSEG_NEW 32
286 error = bus_dma_tag_create(NULL, /* parent */
287 1, 0, /* alignment, boundary */
288 BUS_SPACE_MAXADDR_32BIT,/* lowaddr */
289 BUS_SPACE_MAXADDR, /* highaddr */
290 NULL, NULL, /* filter, filterarg */
291 MAXBSIZE, NDIS_NSEG_NEW,/* maxsize, nsegments */
292 BUS_SPACE_MAXSIZE_32BIT,/* maxsegsize */
293 BUS_DMA_ALLOCNOW, /* flags */
294 NULL, NULL, /* lockfunc, lockarg */
295 &sc->ndis_parent_tag);
296
297 if (error)
298 goto fail;
299
300 img = drv_data;
301 sc->ndis_dev = dev;
302 sc->ndis_regvals = ndis_regvals;
303 sc->ndis_iftype = PCIBus;
304
|
305 /* Figure out exactly which device we matched. */
306
307 t = ndis_devs;
308
309 while(t->ndis_name != NULL) {
310 if ((pci_get_vendor(dev) == t->ndis_vid) &&
311 (pci_get_device(dev) == t->ndis_did)) {
312 if (t->ndis_subsys == 0)
313 defidx = devidx;
314 else {
315 if (t->ndis_subsys ==
316 pci_read_config(dev, PCIR_SUBVEND_0, 4))
317 break;
318 }
319 }
320 t++;
321 devidx++;
322 }
323
324 if (ndis_devs[devidx].ndis_name == NULL)
325 sc->ndis_devidx = defidx;
326 else
327 sc->ndis_devidx = devidx;
328 |
329 sysctl_ctx_init(&sc->ndis_ctx);
330
331 /* Create sysctl registry nodes */
332 ndis_create_sysctls(sc);
333
334 /* Set up driver image in memory. */
335 ndis_load_driver((vm_offset_t)img, sc);
336
337 /* Do resource conversion. */
338 ndis_convert_res(sc);
339
340 /* Install our RX and TX interrupt handlers. */
341 sc->ndis_block.nmb_senddone_func = ndis_txeof;
342 sc->ndis_block.nmb_pktind_func = ndis_rxeof;
343
344 /* Call driver's init routine. */
345 if (ndis_init_nic(sc)) {
346 printf ("ndis%d: init handler failed\n", sc->ndis_unit);
347 error = ENXIO;
348 goto fail;
349 }
350
351 /* Reset the adapter. */
352 ndis_reset(sc);
353
354 /*
355 * Get station address from the driver.
356 */
357 len = sizeof(eaddr);
358 ndis_get_info(sc, OID_802_3_CURRENT_ADDRESS, &eaddr, &len);
359
360 /*
361 * An NDIS device was detected. Inform the world.
362 */
363 printf("ndis%d: Ethernet address: %6D\n", unit, eaddr, ":");
364
365 sc->ndis_unit = unit;
366 bcopy(eaddr, (char *)&sc->arpcom.ac_enaddr, ETHER_ADDR_LEN);
367
368 /*
369 * Figure out of we're allowed to use multipacket sends
370 * with this driver, and if so, how many.
371 */
372
373 if (sc->ndis_chars.nmc_sendsingle_func)
374 sc->ndis_maxpkts = 1;
375 else {
376 len = sizeof(sc->ndis_maxpkts);
377 ndis_get_info(sc, OID_GEN_MAXIMUM_SEND_PACKETS,
378 &sc->ndis_maxpkts, &len);
379 sc->ndis_txarray = malloc(sizeof(ndis_packet *) *
380 sc->ndis_maxpkts, M_DEVBUF, M_NOWAIT);
381 bzero((char *)sc->ndis_txarray, sizeof(ndis_packet *) *
382 sc->ndis_maxpkts);
383 }
384
385 sc->ndis_txpending = sc->ndis_maxpkts;
386
387 sc->ndis_oidcnt = 0;
388 /* Get supported oid list. */
389 ndis_get_supported_oids(sc, &sc->ndis_oids, &sc->ndis_oidcnt);
390
391 /* If the NDIS module requested scatter/gather, init maps. */
392 if (sc->ndis_sc)
393 ndis_init_dma(sc);
394
395 ifmedia_init(&sc->ifmedia, IFM_IMASK, ndis_ifmedia_upd,
396 ndis_ifmedia_sts);
397 ifmedia_add(&sc->ifmedia, IFM_ETHER|IFM_10_T, 0, NULL);
398 ifmedia_add(&sc->ifmedia, IFM_ETHER|IFM_10_T|IFM_FDX, 0, NULL);
399 ifmedia_add(&sc->ifmedia, IFM_ETHER|IFM_100_TX, 0, NULL);
400 ifmedia_add(&sc->ifmedia, IFM_ETHER|IFM_100_TX|IFM_FDX, 0, NULL);
401 ifmedia_add(&sc->ifmedia, IFM_ETHER|IFM_AUTO, 0, NULL);
402 ifmedia_set(&sc->ifmedia, IFM_ETHER|IFM_AUTO);
403
404 ifp = &sc->arpcom.ac_if;
405 ifp->if_softc = sc;
406 if_initname(ifp, device_get_name(dev), device_get_unit(dev));
407 ifp->if_mtu = ETHERMTU;
408 ifp->if_flags = IFF_BROADCAST | IFF_SIMPLEX | IFF_MULTICAST;
409 ifp->if_ioctl = ndis_ioctl;
410 ifp->if_output = ether_output;
411 ifp->if_start = ndis_start;
412 ifp->if_watchdog = ndis_watchdog;
413 ifp->if_init = ndis_init;
414 ifp->if_baudrate = 10000000;
415 ifp->if_snd.ifq_maxlen = 50;
416
417 /*
418 * Call MI attach routine.
419 */
420 ether_ifattach(ifp, eaddr);
421
422 /* Hook interrupt last to avoid having to lock softc */
423 error = bus_setup_intr(dev, sc->ndis_irq, INTR_TYPE_NET,
424 ndis_intr, sc, &sc->ndis_intrhand);
425
426 if (error) {
427 printf("ndis%d: couldn't set up irq\n", unit);
428 ether_ifdetach(ifp);
429 goto fail;
430 }
431
432fail:
433 if (error)
434 ndis_detach(dev);
435
436 return(error);
437}
438
439/*
440 * Shutdown hardware and free up resources. This can be called any
441 * time after the mutex has been initialized. It is called in both
442 * the error case in attach and the normal detach case so it needs
443 * to be careful about only freeing resources that have actually been
444 * allocated.
445 */
446static int
447ndis_detach(dev)
448 device_t dev;
449{
450 struct ndis_softc *sc;
451 struct ifnet *ifp;
452
453 sc = device_get_softc(dev);
454 KASSERT(mtx_initialized(&sc->ndis_mtx), ("ndis mutex not initialized"));
455 NDIS_LOCK(sc);
456 ifp = &sc->arpcom.ac_if;
457
458 if (device_is_attached(dev)) {
459 NDIS_UNLOCK(sc);
460 ndis_stop(sc);
461 ether_ifdetach(ifp);
462 NDIS_LOCK(sc);
463 }
464
465 bus_generic_detach(dev);
466
467 if (sc->ndis_intrhand)
468 bus_teardown_intr(dev, sc->ndis_irq, sc->ndis_intrhand);
469 if (sc->ndis_irq)
470 bus_release_resource(dev, SYS_RES_IRQ, 0, sc->ndis_irq);
471 if (sc->ndis_res_io)
472 bus_release_resource(dev, SYS_RES_IOPORT,
473 sc->ndis_io_rid, sc->ndis_res_io);
474 if (sc->ndis_res_mem)
475 bus_release_resource(dev, SYS_RES_MEMORY,
476 sc->ndis_mem_rid, sc->ndis_res_mem);
477
478 if (sc->ndis_sc)
479 ndis_destroy_dma(sc);
480
481 ndis_unload_driver((void *)ifp);
482
483 bus_dma_tag_destroy(sc->ndis_parent_tag);
484
485 sysctl_ctx_free(&sc->ndis_ctx);
486
487 NDIS_UNLOCK(sc);
488 mtx_destroy(&sc->ndis_mtx);
489
490 return(0);
491}
492
493/*
494 * A frame has been uploaded: pass the resulting mbuf chain up to
495 * the higher level protocols.
496 */
497__stdcall static void
498ndis_rxeof(adapter, packets, pktcnt)
499 ndis_handle adapter;
500 ndis_packet **packets;
501 uint32_t pktcnt;
502{
503 struct ndis_softc *sc;
504 ndis_miniport_block *block;
505 ndis_packet *p;
506 struct ifnet *ifp;
507 struct mbuf *m0;
508 int i;
509
510 block = (ndis_miniport_block *)adapter;
511 sc = (struct ndis_softc *)(block->nmb_ifp);
512 ifp = block->nmb_ifp;
513
514 for (i = 0; i < pktcnt; i++) {
515 p = packets[i];
516 /* Stash the softc here so ptom can use it. */
517 p->np_rsvd[0] = (uint32_t *)sc;
518 if (ndis_ptom(&m0, p)) {
519 printf ("ndis%d: ptom failed\n", sc->ndis_unit);
520 ndis_return_packet(sc, p);
521 } else {
522 m0->m_pkthdr.rcvif = ifp;
523 ifp->if_ipackets++;
524 (*ifp->if_input)(ifp, m0);
525 }
526 }
527
528 return;
529}
530
531/*
532 * A frame was downloaded to the chip. It's safe for us to clean up
533 * the list buffers.
534 */
535__stdcall static void
536ndis_txeof(adapter, packet, status)
537 ndis_handle adapter;
538 ndis_packet *packet;
539 ndis_status status;
540
541{
542 struct ndis_softc *sc;
543 ndis_miniport_block *block;
544 struct ifnet *ifp;
545 int idx;
546 struct mbuf *m;
547
548 block = (ndis_miniport_block *)adapter;
549 sc = (struct ndis_softc *)block->nmb_ifp;
550 ifp = block->nmb_ifp;
551
552 if (packet->np_rsvd[1] == NULL)
553 panic("NDIS driver corrupted reserved packet fields");
554
555 NDIS_LOCK(sc);
556
557 m = (struct mbuf *)packet->np_rsvd[1];
558 idx = (int)packet->np_rsvd[0];
559 ifp->if_opackets++;
560 m_freem(m);
561 if (sc->ndis_sc)
562 bus_dmamap_unload(sc->ndis_ttag, sc->ndis_tmaps[idx]);
563
564 ndis_free_packet(packet);
565 sc->ndis_txarray[idx] = NULL;
566 sc->ndis_txpending++;
567
568 ifp->if_timer = 0;
569 ifp->if_flags &= ~IFF_OACTIVE;
570
571 NDIS_UNLOCK(sc);
572
573 if (ifp->if_snd.ifq_head != NULL)
574 ndis_start(ifp);
575
576 return;
577}
578
579static void
580ndis_intr(arg)
581 void *arg;
582{
583 struct ndis_softc *sc;
584 struct ifnet *ifp;
585 int is_our_intr = 0;
586 int call_isr = 0;
587
588 sc = arg;
589 /*NDIS_LOCK(sc);*/
590 ifp = &sc->arpcom.ac_if;
591
592/*
593 if (!(ifp->if_flags & IFF_UP)) {
594 NDIS_UNLOCK(sc);
595 return;
596 }
597*/
598 ndis_isr(sc, &is_our_intr, &call_isr);
599
600 if (is_our_intr || call_isr)
601 ndis_intrhand(sc);
602
603 if (ifp->if_snd.ifq_head != NULL)
604 ndis_start(ifp);
605
606 /*NDIS_UNLOCK(sc);*/
607
608 return;
609}
610
611static void
612ndis_tick(xsc)
613 void *xsc;
614{
615 struct ndis_softc *sc;
616 __stdcall ndis_checkforhang_handler hangfunc;
617 uint8_t rval;
618
619 sc = xsc;
620 NDIS_LOCK(sc);
621
622 hangfunc = sc->ndis_chars.nmc_checkhang_func;
623
624 if (hangfunc != NULL) {
625 rval = hangfunc(sc->ndis_block.nmb_miniportadapterctx);
626 if (rval == TRUE)
627 ndis_reset_nic(sc);
628 }
629
630 sc->ndis_stat_ch = timeout(ndis_tick, sc, hz *
631 sc->ndis_block.nmb_checkforhangsecs);
632
633 NDIS_UNLOCK(sc);
634
635 return;
636}
637
638static void
639ndis_map_sclist(arg, segs, nseg, mapsize, error)
640 void *arg;
641 bus_dma_segment_t *segs;
642 int nseg;
643 bus_size_t mapsize;
644 int error;
645
646{
647 struct ndis_sc_list *sclist;
648 int i;
649
650 if (error || arg == NULL)
651 return;
652
653 sclist = arg;
654
655 sclist->nsl_frags = nseg;
656
657 for (i = 0; i < nseg; i++) {
658 sclist->nsl_elements[i].nse_addr.np_quad = segs[i].ds_addr;
659 sclist->nsl_elements[i].nse_len = segs[i].ds_len;
660 }
661
662 return;
663}
664
665/*
666 * Main transmit routine. To make NDIS drivers happy, we need to
667 * transform mbuf chains into NDIS packets and feed them to the
668 * send packet routines. Most drivers allow you to send several
669 * packets at once (up to the maxpkts limit). Unfortunately, rather
670 * that accepting them in the form of a linked list, they expect
671 * a contiguous array of pointers to packets.
672 *
673 * For those drivers which use the NDIS scatter/gather DMA mechanism,
674 * we need to perform busdma work here. Those that use map registers
675 * will do the mapping themselves on a buffer by buffer basis.
676 */
677
678static void
679ndis_start(ifp)
680 struct ifnet *ifp;
681{
682 struct ndis_softc *sc;
683 struct mbuf *m = NULL;
684 ndis_packet **p0 = NULL, *p = NULL;
685 int pcnt = 0;
686
687 sc = ifp->if_softc;
688
689 NDIS_LOCK(sc);
690
691 p0 = &sc->ndis_txarray[sc->ndis_txidx];
692
693 while(sc->ndis_txpending) {
694 IF_DEQUEUE(&ifp->if_snd, m);
695 if (m == NULL)
696 break;
697
698 sc->ndis_txarray[sc->ndis_txidx] = NULL;
699
700 if (ndis_mtop(m, &sc->ndis_txarray[sc->ndis_txidx])) {
701 NDIS_UNLOCK(sc);
702 IF_PREPEND(&ifp->if_snd, m);
703 return;
704 }
705
706 /*
707 * Save pointer to original mbuf
708 * so we can free it later.
709 */
710
711 (sc->ndis_txarray[sc->ndis_txidx])->np_rsvd[0] =
712 (uint32_t *)sc->ndis_txidx;
713 (sc->ndis_txarray[sc->ndis_txidx])->np_rsvd[1] = (uint32_t *)m;
714
715 /*
716 * Do scatter/gather processing, if driver requested it.
717 */
718 if (sc->ndis_sc) {
719 p = sc->ndis_txarray[sc->ndis_txidx];
720 bus_dmamap_load_mbuf(sc->ndis_ttag,
721 sc->ndis_tmaps[sc->ndis_txidx], m,
722 ndis_map_sclist, &p->np_sclist, BUS_DMA_NOWAIT);
723 bus_dmamap_sync(sc->ndis_ttag,
724 sc->ndis_tmaps[sc->ndis_txidx],
725 BUS_DMASYNC_PREREAD);
726 p->np_ext.npe_info[ndis_sclist_info] = &p->np_sclist;
727 }
728
729 NDIS_INC(sc);
730 sc->ndis_txpending--;
731
732 pcnt++;
733
734 /*
735 * If there's a BPF listener, bounce a copy of this frame
736 * to him.
737 */
738
739 BPF_MTAP(ifp, m);
740
741 /*
742 * The array that p0 points to must appear contiguous,
743 * so we must not wrap past the end of sc->ndis_txarray[].
744 * If it looks like we're about to wrap, break out here
745 * so the this batch of packets can be transmitted, then
746 * wait for txeof to ask us to send the rest.
747 */
748
749 if (sc->ndis_txidx == 0)
750 break;
751 }
752
753 if (sc->ndis_txpending == 0)
754 ifp->if_flags |= IFF_OACTIVE;
755
756 /*
757 * Set a timeout in case the chip goes out to lunch.
758 */
759 ifp->if_timer = 5;
760
761 NDIS_UNLOCK(sc);
762
763 ndis_send_packets(sc, p0, pcnt);
764
765 return;
766}
767
768static void
769ndis_init(xsc)
770 void *xsc;
771{
772 struct ndis_softc *sc = xsc;
773 struct ifnet *ifp = &sc->arpcom.ac_if;
774 int i, error;
775 uint32_t ndis_filter = 0;
776
777 /*NDIS_LOCK(sc);*/
778
779 /*
780 * Cancel pending I/O and free all RX/TX buffers.
781 */
782 ndis_reset(sc);
783 ndis_stop(sc);
784 ndis_init_nic(sc);
785
786 /* Init our MAC address */
787#ifdef notdef
788 /*
789 * Program the multicast filter, if necessary.
790 */
791 ndis_setmulti(sc);
792#endif
793
794 /* Program the packet filter */
795
796 ndis_filter = NDIS_PACKET_TYPE_DIRECTED;
797
798 if (ifp->if_flags & IFF_BROADCAST)
799 ndis_filter |= NDIS_PACKET_TYPE_BROADCAST;
800
801 if (ifp->if_flags & IFF_PROMISC)
802 ndis_filter |= NDIS_PACKET_TYPE_PROMISCUOUS;
803
804 if (ifp->if_flags & IFF_MULTICAST)
805 ndis_filter |= NDIS_PACKET_TYPE_MULTICAST;
806
807 i = sizeof(ndis_filter);
808
809 error = ndis_set_info(sc, OID_GEN_CURRENT_PACKET_FILTER,
810 &ndis_filter, &i);
811
812 if (error)
813 printf ("set filter failed: %d\n", error);
814
815 sc->ndis_txidx = 0;
816 sc->ndis_txpending = sc->ndis_maxpkts;
817
818 ifp->if_flags |= IFF_RUNNING;
819 ifp->if_flags &= ~IFF_OACTIVE;
820
821 if (sc->ndis_chars.nmc_checkhang_func != NULL)
822 sc->ndis_stat_ch = timeout(ndis_tick, sc,
823 hz * sc->ndis_block.nmb_checkforhangsecs);
824
825 /*NDIS_UNLOCK(sc);*/
826
827 return;
828}
829
830/*
831 * Set media options.
832 */
833static int
834ndis_ifmedia_upd(ifp)
835 struct ifnet *ifp;
836{
837 struct ndis_softc *sc;
838
839 sc = ifp->if_softc;
840
841 if (ifp->if_flags & IFF_UP)
842 ndis_init(sc);
843
844 return(0);
845}
846
847/*
848 * Report current media status.
849 */
850static void
851ndis_ifmedia_sts(ifp, ifmr)
852 struct ifnet *ifp;
853 struct ifmediareq *ifmr;
854{
855 struct ndis_softc *sc;
856 uint32_t media_info;
857 ndis_media_state linkstate;
858 int error, len;
859
860 sc = ifp->if_softc;
861
862 len = sizeof(linkstate);
863 error = ndis_get_info(sc, OID_GEN_MEDIA_CONNECT_STATUS,
864 (void *)&linkstate, &len);
865
866 len = sizeof(media_info);
867 error = ndis_get_info(sc, OID_GEN_LINK_SPEED,
868 (void *)&media_info, &len);
869
870 ifmr->ifm_status = IFM_AVALID;
871 ifmr->ifm_active = IFM_ETHER;
872
873 if (linkstate == nmc_connected)
874 ifmr->ifm_status |= IFM_ACTIVE;
875
876 switch(media_info) {
877 case 100000:
878 ifmr->ifm_active |= IFM_10_T;
879 break;
880 case 1000000:
881 ifmr->ifm_active |= IFM_100_TX;
882 break;
883 case 10000000:
884 ifmr->ifm_active |= IFM_1000_T;
885 break;
886 default:
887 printf("ndis%d: unknown speed: %d\n",
888 sc->ndis_unit, media_info);
889 break;
890 }
891
892 return;
893}
894
895static int
896ndis_ioctl(ifp, command, data)
897 struct ifnet *ifp;
898 u_long command;
899 caddr_t data;
900{
901 struct ndis_softc *sc = ifp->if_softc;
902 struct ifreq *ifr = (struct ifreq *) data;
903 int error = 0;
904
905 /*NDIS_LOCK(sc);*/
906
907 switch(command) {
908 case SIOCSIFFLAGS:
909 if (ifp->if_flags & IFF_UP) {
910 ndis_init(sc);
911 } else {
912 if (ifp->if_flags & IFF_RUNNING)
913 ndis_stop(sc);
914 }
915 error = 0;
916 break;
917 case SIOCADDMULTI:
918 case SIOCDELMULTI:
919 ndis_setmulti(sc);
920 error = 0;
921 break;
922 case SIOCGIFMEDIA:
923 case SIOCSIFMEDIA:
924 error = ifmedia_ioctl(ifp, ifr, &sc->ifmedia, command);
925 break;
926 default:
927 error = ether_ioctl(ifp, command, data);
928 break;
929 }
930
931 /*NDIS_UNLOCK(sc);*/
932
933 return(error);
934}
935
936static void
937ndis_watchdog(ifp)
938 struct ifnet *ifp;
939{
940 struct ndis_softc *sc;
941
942 sc = ifp->if_softc;
943
944 NDIS_LOCK(sc);
945 ifp->if_oerrors++;
946 printf("ndis%d: watchdog timeout\n", sc->ndis_unit);
947
948 ndis_reset(sc);
949
950 if (ifp->if_snd.ifq_head != NULL)
951 ndis_start(ifp);
952 NDIS_UNLOCK(sc);
953
954 return;
955}
956
957/*
958 * Stop the adapter and free any mbufs allocated to the
959 * RX and TX lists.
960 */
961static void
962ndis_stop(sc)
963 struct ndis_softc *sc;
964{
965 struct ifnet *ifp;
966
967/* NDIS_LOCK(sc);*/
968 ifp = &sc->arpcom.ac_if;
969 ifp->if_timer = 0;
970
971 untimeout(ndis_tick, sc, sc->ndis_stat_ch);
972
973 ndis_halt_nic(sc);
974
975 ifp->if_flags &= ~(IFF_RUNNING | IFF_OACTIVE);
976 /*NDIS_UNLOCK(sc);*/
977
978 return;
979}
980
981/*
982 * Stop all chip I/O so that the kernel's probe routines don't
983 * get confused by errant DMAs when rebooting.
984 */
985static void
986ndis_shutdown(dev)
987 device_t dev;
988{
989 struct ndis_softc *sc;
990
991 sc = device_get_softc(dev);
992 ndis_shutdown_nic(sc);
993
994 return;
995}
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