FreeBSD/Linux Kernel Cross Reference
sys/dev/usb/if_udav.c
1 /* $NetBSD: if_udav.c,v 1.2 2003/09/04 15:17:38 tsutsui Exp $ */
2 /* $nabe: if_udav.c,v 1.3 2003/08/21 16:57:19 nabe Exp $ */
3 /* $FreeBSD: src/sys/dev/usb/if_udav.c,v 1.14.2.3 2005/10/09 03:59:36 delphij Exp $ */
4 /*-
5 * Copyright (c) 2003
6 * Shingo WATANABE <nabe@nabechan.org>. All rights reserved.
7 *
8 * Redistribution and use in source and binary forms, with or without
9 * modification, are permitted provided that the following conditions
10 * are met:
11 * 1. Redistributions of source code must retain the above copyright
12 * notice, this list of conditions and the following disclaimer.
13 * 2. Redistributions in binary form must reproduce the above copyright
14 * notice, this list of conditions and the following disclaimer in the
15 * documentation and/or other materials provided with the distribution.
16 * 3. 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 THE AUTHOR 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 THE AUTHOR OR CONTRIBUTORS BE LIABLE
24 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
25 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
26 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
27 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
28 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
29 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
30 * SUCH DAMAGE.
31 *
32 */
33
34 /*
35 * DM9601(DAVICOM USB to Ethernet MAC Controller with Integrated 10/100 PHY)
36 * The spec can be found at the following url.
37 * http://www.davicom.com.tw/big5/download/Data%20Sheet/DM9601-DS-P01-930914.pdf
38 */
39
40 /*
41 * TODO:
42 * Interrupt Endpoint support
43 * External PHYs
44 * powerhook() support?
45 */
46
47 #include <sys/cdefs.h>
48 __FBSDID("$FreeBSD: src/sys/dev/usb/if_udav.c,v 1.14.2.3 2005/10/09 03:59:36 delphij Exp $");
49
50 #include "opt_inet.h"
51 #if defined(__NetBSD__)
52 #include "opt_ns.h"
53 #endif
54 #if defined(__NetBSD__)
55 #include "bpfilter.h"
56 #endif
57 #if defined(__FreeBSD__)
58 #define NBPFILTER 1
59 #endif
60 #if defined(__NetBSD__)
61 #include "rnd.h"
62 #endif
63
64 #include <sys/param.h>
65 #include <sys/systm.h>
66 #include <sys/lock.h>
67 #include <sys/mbuf.h>
68 #include <sys/kernel.h>
69 #include <sys/module.h>
70 #include <sys/socket.h>
71 #if defined(__FreeBSD__)
72 #include <sys/types.h>
73 #include <sys/lockmgr.h>
74 #include <sys/sockio.h>
75 #endif
76
77 #if defined(__NetBSD__)
78 #include <sys/device.h>
79 #endif
80
81 #if NRND > 0
82 #include <sys/rnd.h>
83 #endif
84
85 #include <net/if.h>
86 #include <net/if_arp.h>
87 #include <net/if_dl.h>
88 #include <net/if_media.h>
89 #include <net/ethernet.h>
90 #include <net/if_types.h>
91
92 #if NBPFILTER > 0
93 #include <net/bpf.h>
94 #endif
95 #if defined(__NetBSD__)
96 #ifndef BPF_MTAP
97 #define BPF_MTAP(_ifp, _m) do { \
98 if ((_ifp)->if_bpf)) { \
99 bpf_mtap((_ifp)->if_bpf, (_m)) ; \
100 } \
101 } while (0)
102 #endif
103 #endif
104
105 #if defined(__NetBSD__)
106 #include <net/if_ether.h>
107 #ifdef INET
108 #include <netinet/in.h>
109 #include <netinet/if_inarp.h>
110 #endif /* INET */
111 #elif defined(__FreeBSD__) /* defined(__NetBSD__) */
112 #include <netinet/in.h>
113 #include <netinet/if_ether.h>
114 #endif /* defined(__FreeBSD__) */
115
116 #if defined(__NetBSD__)
117 #ifdef NS
118 #include <netns/ns.h>
119 #include <netns/ns_if.h>
120 #endif
121 #endif /* defined (__NetBSD__) */
122
123 #include <sys/bus.h>
124 #include <machine/bus.h>
125 #if __FreeBSD_version < 500000
126 #include <machine/clock.h>
127 #endif
128
129 #include <dev/mii/mii.h>
130 #include <dev/mii/miivar.h>
131
132 #include <dev/usb/usb.h>
133 #include <dev/usb/usbdi.h>
134 #include <dev/usb/usbdi_util.h>
135 #include "usbdevs.h"
136 #include <dev/usb/usbdivar.h>
137 #include <dev/usb/usb_ethersubr.h>
138
139 #include <dev/usb/if_udavreg.h>
140
141 #if defined(__FreeBSD__)
142 MODULE_DEPEND(udav, usb, 1, 1, 1);
143 MODULE_DEPEND(udav, ether, 1, 1, 1);
144 MODULE_DEPEND(udav, miibus, 1, 1, 1);
145 #endif
146
147 /* "controller miibus0" required. See GENERIC if you get errors here. */
148 #include "miibus_if.h"
149
150 #if !defined(__FreeBSD__)
151 /* Function declarations */
152 USB_DECLARE_DRIVER(udav);
153 #endif
154
155 #if defined(__FreeBSD__)
156 Static int udav_match(device_ptr_t);
157 Static int udav_attach(device_ptr_t);
158 Static int udav_detach(device_ptr_t);
159 Static void udav_shutdown(device_ptr_t);
160 #endif
161
162 Static int udav_openpipes(struct udav_softc *);
163 Static void udav_start(struct ifnet *);
164 Static int udav_send(struct udav_softc *, struct mbuf *, int);
165 Static void udav_txeof(usbd_xfer_handle, usbd_private_handle, usbd_status);
166 #if defined(__FreeBSD__)
167 Static void udav_rxstart(struct ifnet *ifp);
168 #endif
169 Static void udav_rxeof(usbd_xfer_handle, usbd_private_handle, usbd_status);
170 Static void udav_tick(void *);
171 Static void udav_tick_task(void *);
172 Static int udav_ioctl(struct ifnet *, u_long, caddr_t);
173 Static void udav_stop_task(struct udav_softc *);
174 Static void udav_stop(struct ifnet *, int);
175 Static void udav_watchdog(struct ifnet *);
176 Static int udav_ifmedia_change(struct ifnet *);
177 Static void udav_ifmedia_status(struct ifnet *, struct ifmediareq *);
178 Static void udav_lock_mii(struct udav_softc *);
179 Static void udav_unlock_mii(struct udav_softc *);
180 Static int udav_miibus_readreg(device_ptr_t, int, int);
181 Static void udav_miibus_writereg(device_ptr_t, int, int, int);
182 Static void udav_miibus_statchg(device_ptr_t);
183 #if defined(__NetBSD__)
184 Static int udav_init(struct ifnet *);
185 #elif defined(__FreeBSD__)
186 Static void udav_init(void *);
187 #endif
188 Static void udav_setmulti(struct udav_softc *);
189 Static void udav_reset(struct udav_softc *);
190
191 Static int udav_csr_read(struct udav_softc *, int, void *, int);
192 Static int udav_csr_write(struct udav_softc *, int, void *, int);
193 Static int udav_csr_read1(struct udav_softc *, int);
194 Static int udav_csr_write1(struct udav_softc *, int, unsigned char);
195
196 #if 0
197 Static int udav_mem_read(struct udav_softc *, int, void *, int);
198 Static int udav_mem_write(struct udav_softc *, int, void *, int);
199 Static int udav_mem_write1(struct udav_softc *, int, unsigned char);
200 #endif
201
202 #if defined(__FreeBSD__)
203 Static device_method_t udav_methods[] = {
204 /* Device interface */
205 DEVMETHOD(device_probe, udav_match),
206 DEVMETHOD(device_attach, udav_attach),
207 DEVMETHOD(device_detach, udav_detach),
208 DEVMETHOD(device_shutdown, udav_shutdown),
209
210 /* bus interface */
211 DEVMETHOD(bus_print_child, bus_generic_print_child),
212 DEVMETHOD(bus_driver_added, bus_generic_driver_added),
213
214 /* MII interface */
215 DEVMETHOD(miibus_readreg, udav_miibus_readreg),
216 DEVMETHOD(miibus_writereg, udav_miibus_writereg),
217 DEVMETHOD(miibus_statchg, udav_miibus_statchg),
218
219 { 0, 0 }
220 };
221
222 Static driver_t udav_driver = {
223 "udav",
224 udav_methods,
225 sizeof(struct udav_softc)
226 };
227
228 Static devclass_t udav_devclass;
229
230 DRIVER_MODULE(udav, uhub, udav_driver, udav_devclass, usbd_driver_load, 0);
231 DRIVER_MODULE(miibus, udav, miibus_driver, miibus_devclass, 0, 0);
232
233 #endif /* defined(__FreeBSD__) */
234
235 /* Macros */
236 #ifdef UDAV_DEBUG
237 #define DPRINTF(x) if (udavdebug) logprintf x
238 #define DPRINTFN(n,x) if (udavdebug >= (n)) logprintf x
239 int udavdebug = 0;
240 #else
241 #define DPRINTF(x)
242 #define DPRINTFN(n,x)
243 #endif
244
245 #define delay(d) DELAY(d)
246
247 #define UDAV_SETBIT(sc, reg, x) \
248 udav_csr_write1(sc, reg, udav_csr_read1(sc, reg) | (x))
249
250 #define UDAV_CLRBIT(sc, reg, x) \
251 udav_csr_write1(sc, reg, udav_csr_read1(sc, reg) & ~(x))
252
253 static const struct udav_type {
254 struct usb_devno udav_dev;
255 u_int16_t udav_flags;
256 #define UDAV_EXT_PHY 0x0001
257 } udav_devs [] = {
258 /* Corega USB-TXC */
259 {{ USB_VENDOR_COREGA, USB_PRODUCT_COREGA_FETHER_USB_TXC }, 0},
260 #if 0
261 /* DAVICOM DM9601 Generic? */
262 /* XXX: The following ids was obtained from the data sheet. */
263 {{ 0x0a46, 0x9601 }, 0},
264 #endif
265 };
266 #define udav_lookup(v, p) ((const struct udav_type *)usb_lookup(udav_devs, v, p))
267
268
269 /* Probe */
270 USB_MATCH(udav)
271 {
272 USB_MATCH_START(udav, uaa);
273
274 if (uaa->iface != NULL)
275 return (UMATCH_NONE);
276
277 return (udav_lookup(uaa->vendor, uaa->product) != NULL ?
278 UMATCH_VENDOR_PRODUCT : UMATCH_NONE);
279 }
280
281 /* Attach */
282 USB_ATTACH(udav)
283 {
284 USB_ATTACH_START(udav, sc, uaa);
285 usbd_device_handle dev = uaa->device;
286 usbd_interface_handle iface;
287 usbd_status err;
288 usb_interface_descriptor_t *id;
289 usb_endpoint_descriptor_t *ed;
290 char devinfo[1024];
291 const char *devname ;
292 struct ifnet *ifp;
293 #if defined(__NetBSD__)
294 struct mii_data *mii;
295 #endif
296 u_char eaddr[ETHER_ADDR_LEN];
297 int i;
298 #if defined(__NetBSD__)
299 int s;
300 #endif
301
302 bzero(sc, sizeof(struct udav_softc));
303
304 usbd_devinfo(dev, 0, devinfo);
305 USB_ATTACH_SETUP;
306 devname = USBDEVNAME(sc->sc_dev);
307 printf("%s: %s\n", devname, devinfo);
308
309 /* Move the device into the configured state. */
310 err = usbd_set_config_no(dev, UDAV_CONFIG_NO, 1);
311 if (err) {
312 printf("%s: setting config no failed\n", devname);
313 goto bad;
314 }
315
316 usb_init_task(&sc->sc_tick_task, udav_tick_task, sc);
317 lockinit(&sc->sc_mii_lock, PZERO, "udavmii", 0, 0);
318 usb_init_task(&sc->sc_stop_task, (void (*)(void *)) udav_stop_task, sc);
319
320 /* get control interface */
321 err = usbd_device2interface_handle(dev, UDAV_IFACE_INDEX, &iface);
322 if (err) {
323 printf("%s: failed to get interface, err=%s\n", devname,
324 usbd_errstr(err));
325 goto bad;
326 }
327
328 sc->sc_udev = dev;
329 sc->sc_ctl_iface = iface;
330 sc->sc_flags = udav_lookup(uaa->vendor, uaa->product)->udav_flags;
331
332 /* get interface descriptor */
333 id = usbd_get_interface_descriptor(sc->sc_ctl_iface);
334
335 /* find endpoints */
336 sc->sc_bulkin_no = sc->sc_bulkout_no = sc->sc_intrin_no = -1;
337 for (i = 0; i < id->bNumEndpoints; i++) {
338 ed = usbd_interface2endpoint_descriptor(sc->sc_ctl_iface, i);
339 if (ed == NULL) {
340 printf("%s: couldn't get endpoint %d\n", devname, i);
341 goto bad;
342 }
343 if ((ed->bmAttributes & UE_XFERTYPE) == UE_BULK &&
344 UE_GET_DIR(ed->bEndpointAddress) == UE_DIR_IN)
345 sc->sc_bulkin_no = ed->bEndpointAddress; /* RX */
346 else if ((ed->bmAttributes & UE_XFERTYPE) == UE_BULK &&
347 UE_GET_DIR(ed->bEndpointAddress) == UE_DIR_OUT)
348 sc->sc_bulkout_no = ed->bEndpointAddress; /* TX */
349 else if ((ed->bmAttributes & UE_XFERTYPE) == UE_INTERRUPT &&
350 UE_GET_DIR(ed->bEndpointAddress) == UE_DIR_IN)
351 sc->sc_intrin_no = ed->bEndpointAddress; /* Status */
352 }
353
354 if (sc->sc_bulkin_no == -1 || sc->sc_bulkout_no == -1 ||
355 sc->sc_intrin_no == -1) {
356 printf("%s: missing endpoint\n", devname);
357 goto bad;
358 }
359
360 #if defined(__FreeBSD__) && __FreeBSD_version >= 500000
361 mtx_init(&sc->sc_mtx, device_get_nameunit(self), MTX_NETWORK_LOCK,
362 MTX_DEF | MTX_RECURSE);
363 #endif
364 #if defined(__NetBSD__)
365 s = splnet();
366 #elif defined(__FreeBSD__)
367 UDAV_LOCK(sc);
368 #endif
369
370 /* reset the adapter */
371 udav_reset(sc);
372
373 /* Get Ethernet Address */
374 err = udav_csr_read(sc, UDAV_PAR, (void *)eaddr, ETHER_ADDR_LEN);
375 if (err) {
376 printf("%s: read MAC address failed\n", devname);
377 #if defined(__NetBSD__)
378 splx(s);
379 #elif defined(__FreeBSD__)
380 UDAV_UNLOCK(sc);
381 mtx_destroy(&sc->sc_mtx);
382 #endif
383 goto bad;
384 }
385
386 /* Print Ethernet Address */
387 printf("%s: Ethernet address %s\n", devname, ether_sprintf(eaddr));
388
389 /* initialize interface infomation */
390 #if defined(__FreeBSD__)
391 ifp = GET_IFP(sc) = if_alloc(IFT_ETHER);
392 if (ifp == NULL) {
393 printf("%s: can not if_alloc\n", devname);
394 UDAV_UNLOCK(sc);
395 mtx_destroy(&sc->sc_mtx);
396 goto bad;
397 }
398 #else
399 ifp = GET_IFP(sc);
400 #endif
401 ifp->if_softc = sc;
402 ifp->if_mtu = ETHERMTU;
403 #if defined(__NetBSD__)
404 strncpy(ifp->if_xname, devname, IFNAMSIZ);
405 #elif defined(__FreeBSD__)
406 if_initname(ifp, "udav", device_get_unit(self));
407 #endif
408 ifp->if_flags = IFF_BROADCAST | IFF_SIMPLEX | IFF_MULTICAST |
409 IFF_NEEDSGIANT;
410 ifp->if_start = udav_start;
411 ifp->if_ioctl = udav_ioctl;
412 ifp->if_watchdog = udav_watchdog;
413 ifp->if_init = udav_init;
414 #if defined(__NetBSD__)
415 ifp->if_stop = udav_stop;
416 #endif
417 #if defined(__FreeBSD__)
418 ifp->if_baudrate = 10000000;
419 ifp->if_snd.ifq_maxlen = IFQ_MAXLEN;
420 #endif
421 #if defined(__NetBSD__)
422 IFQ_SET_READY(&ifp->if_snd);
423 #endif
424
425
426 #if defined(__NetBSD__)
427 /*
428 * Do ifmedia setup.
429 */
430 mii = &sc->sc_mii;
431 mii->mii_ifp = ifp;
432 mii->mii_readreg = udav_miibus_readreg;
433 mii->mii_writereg = udav_miibus_writereg;
434 mii->mii_statchg = udav_miibus_statchg;
435 mii->mii_flags = MIIF_AUTOTSLEEP;
436 ifmedia_init(&mii->mii_media, 0,
437 udav_ifmedia_change, udav_ifmedia_status);
438 mii_attach(self, mii, 0xffffffff, MII_PHY_ANY, MII_OFFSET_ANY, 0);
439 if (LIST_FIRST(&mii->mii_phys) == NULL) {
440 ifmedia_add(&mii->mii_media, IFM_ETHER | IFM_NONE, 0, NULL);
441 ifmedia_set(&mii->mii_media, IFM_ETHER | IFM_NONE);
442 } else
443 ifmedia_set(&mii->mii_media, IFM_ETHER | IFM_AUTO);
444
445 /* attach the interface */
446 if_attach(ifp);
447 Ether_ifattach(ifp, eaddr);
448 #elif defined(__FreeBSD__)
449 if (mii_phy_probe(self, &sc->sc_miibus,
450 udav_ifmedia_change, udav_ifmedia_status)) {
451 printf("%s: MII without any PHY!\n", USBDEVNAME(sc->sc_dev));
452 if_free(ifp);
453 UDAV_UNLOCK(sc);
454 mtx_destroy(&sc->sc_mtx);
455 USB_ATTACH_ERROR_RETURN;
456 }
457
458 sc->sc_qdat.ifp = ifp;
459 sc->sc_qdat.if_rxstart = udav_rxstart;
460
461 /*
462 * Call MI attach routine.
463 */
464
465 ether_ifattach(ifp, eaddr);
466 #endif
467
468 #if NRND > 0
469 rnd_attach_source(&sc->rnd_source, devname, RND_TYPE_NET, 0);
470 #endif
471
472 usb_callout_init(sc->sc_stat_ch);
473 #if defined(__FreeBSD__)
474 usb_register_netisr();
475 #endif
476 sc->sc_attached = 1;
477 #if defined(__NetBSD__)
478 splx(s);
479 #elif defined(__FreeBSD__)
480 UDAV_UNLOCK(sc);
481 #endif
482
483 usbd_add_drv_event(USB_EVENT_DRIVER_ATTACH, dev, USBDEV(sc->sc_dev));
484
485 USB_ATTACH_SUCCESS_RETURN;
486
487 bad:
488 sc->sc_dying = 1;
489 USB_ATTACH_ERROR_RETURN;
490 }
491
492 /* detach */
493 USB_DETACH(udav)
494 {
495 USB_DETACH_START(udav, sc);
496 struct ifnet *ifp = GET_IFP(sc);
497 #if defined(__NetBSD__)
498 int s;
499 #endif
500
501 DPRINTF(("%s: %s: enter\n", USBDEVNAME(sc->sc_dev), __func__));
502
503 /* Detached before attached finished */
504 if (!sc->sc_attached)
505 return (0);
506
507 UDAV_LOCK(sc);
508
509 usb_uncallout(sc->sc_stat_ch, udav_tick, sc);
510
511 /* Remove any pending tasks */
512 usb_rem_task(sc->sc_udev, &sc->sc_tick_task);
513 usb_rem_task(sc->sc_udev, &sc->sc_stop_task);
514
515 #if defined(__NetBSD__)
516 s = splusb();
517 #elif defined(__FreeBSD__)
518 UDAV_LOCK(sc);
519 #endif
520
521 if (--sc->sc_refcnt >= 0) {
522 /* Wait for processes to go away */
523 usb_detach_wait(USBDEV(sc->sc_dev));
524 }
525 #if defined(__FreeBSD__)
526 if (ifp->if_drv_flags & IFF_DRV_RUNNING)
527 #else
528 if (ifp->if_flags & IFF_RUNNING)
529 #endif
530 udav_stop(GET_IFP(sc), 1);
531
532 #if NRND > 0
533 rnd_detach_source(&sc->rnd_source);
534 #endif
535 #if defined(__NetBSD__)
536 mii_detach(&sc->sc_mii, MII_PHY_ANY, MII_OFFSET_ANY);
537 ifmedia_delete_instance(&sc->sc_mii.mii_media, IFM_INST_ANY);
538 #endif
539 ether_ifdetach(ifp);
540 #if defined(__NetBSD__)
541 if_detach(ifp);
542 #endif
543 #if defined(__FreeBSD__)
544 if_free(ifp);
545 #endif
546
547 #ifdef DIAGNOSTIC
548 if (sc->sc_pipe_tx != NULL)
549 printf("%s: detach has active tx endpoint.\n",
550 USBDEVNAME(sc->sc_dev));
551 if (sc->sc_pipe_rx != NULL)
552 printf("%s: detach has active rx endpoint.\n",
553 USBDEVNAME(sc->sc_dev));
554 if (sc->sc_pipe_intr != NULL)
555 printf("%s: detach has active intr endpoint.\n",
556 USBDEVNAME(sc->sc_dev));
557 #endif
558 sc->sc_attached = 0;
559
560 #if defined(__NetBSD__)
561 splx(s);
562 #elif defined(__FreeBSD__)
563 UDAV_UNLOCK(sc);
564 #endif
565
566 #if defined(__FreeBSD__)
567 mtx_destroy(&sc->sc_mtx);
568 #endif
569
570 usbd_add_drv_event(USB_EVENT_DRIVER_DETACH, sc->sc_udev,
571 USBDEV(sc->sc_dev));
572 return (0);
573 }
574
575 #if 0
576 /* read memory */
577 Static int
578 udav_mem_read(struct udav_softc *sc, int offset, void *buf, int len)
579 {
580 usb_device_request_t req;
581 usbd_status err;
582
583 if (sc == NULL)
584 return (0);
585
586 DPRINTFN(0x200,
587 ("%s: %s: enter\n", USBDEVNAME(sc->sc_dev), __func__));
588
589 if (sc->sc_dying)
590 return (0);
591
592 offset &= 0xffff;
593 len &= 0xff;
594
595 req.bmRequestType = UT_READ_VENDOR_DEVICE;
596 req.bRequest = UDAV_REQ_MEM_READ;
597 USETW(req.wValue, 0x0000);
598 USETW(req.wIndex, offset);
599 USETW(req.wLength, len);
600
601 sc->sc_refcnt++;
602 err = usbd_do_request(sc->sc_udev, &req, buf);
603 if (--sc->sc_refcnt < 0)
604 usb_detach_wakeup(USBDEV(sc->sc_dev));
605 if (err) {
606 DPRINTF(("%s: %s: read failed. off=%04x, err=%d\n",
607 USBDEVNAME(sc->sc_dev), __func__, offset, err));
608 }
609
610 return (err);
611 }
612
613 /* write memory */
614 Static int
615 udav_mem_write(struct udav_softc *sc, int offset, void *buf, int len)
616 {
617 usb_device_request_t req;
618 usbd_status err;
619
620 if (sc == NULL)
621 return (0);
622
623 DPRINTFN(0x200,
624 ("%s: %s: enter\n", USBDEVNAME(sc->sc_dev), __func__));
625
626 if (sc->sc_dying)
627 return (0);
628
629 offset &= 0xffff;
630 len &= 0xff;
631
632 req.bmRequestType = UT_WRITE_VENDOR_DEVICE;
633 req.bRequest = UDAV_REQ_MEM_WRITE;
634 USETW(req.wValue, 0x0000);
635 USETW(req.wIndex, offset);
636 USETW(req.wLength, len);
637
638 sc->sc_refcnt++;
639 err = usbd_do_request(sc->sc_udev, &req, buf);
640 if (--sc->sc_refcnt < 0)
641 usb_detach_wakeup(USBDEV(sc->sc_dev));
642 if (err) {
643 DPRINTF(("%s: %s: write failed. off=%04x, err=%d\n",
644 USBDEVNAME(sc->sc_dev), __func__, offset, err));
645 }
646
647 return (err);
648 }
649
650 /* write memory */
651 Static int
652 udav_mem_write1(struct udav_softc *sc, int offset, unsigned char ch)
653 {
654 usb_device_request_t req;
655 usbd_status err;
656
657 if (sc == NULL)
658 return (0);
659
660 DPRINTFN(0x200,
661 ("%s: %s: enter\n", USBDEVNAME(sc->sc_dev), __func__));
662
663 if (sc->sc_dying)
664 return (0);
665
666 offset &= 0xffff;
667
668 req.bmRequestType = UT_WRITE_VENDOR_DEVICE;
669 req.bRequest = UDAV_REQ_MEM_WRITE1;
670 USETW(req.wValue, ch);
671 USETW(req.wIndex, offset);
672 USETW(req.wLength, 0x0000);
673
674 sc->sc_refcnt++;
675 err = usbd_do_request(sc->sc_udev, &req, NULL);
676 if (--sc->sc_refcnt < 0)
677 usb_detach_wakeup(USBDEV(sc->sc_dev));
678 if (err) {
679 DPRINTF(("%s: %s: write failed. off=%04x, err=%d\n",
680 USBDEVNAME(sc->sc_dev), __func__, offset, err));
681 }
682
683 return (err);
684 }
685 #endif
686
687 /* read register(s) */
688 Static int
689 udav_csr_read(struct udav_softc *sc, int offset, void *buf, int len)
690 {
691 usb_device_request_t req;
692 usbd_status err;
693
694 if (sc == NULL)
695 return (0);
696
697 DPRINTFN(0x200,
698 ("%s: %s: enter\n", USBDEVNAME(sc->sc_dev), __func__));
699
700 if (sc->sc_dying)
701 return (0);
702
703 offset &= 0xff;
704 len &= 0xff;
705
706 req.bmRequestType = UT_READ_VENDOR_DEVICE;
707 req.bRequest = UDAV_REQ_REG_READ;
708 USETW(req.wValue, 0x0000);
709 USETW(req.wIndex, offset);
710 USETW(req.wLength, len);
711
712 sc->sc_refcnt++;
713 err = usbd_do_request(sc->sc_udev, &req, buf);
714 if (--sc->sc_refcnt < 0)
715 usb_detach_wakeup(USBDEV(sc->sc_dev));
716 if (err) {
717 DPRINTF(("%s: %s: read failed. off=%04x, err=%d\n",
718 USBDEVNAME(sc->sc_dev), __func__, offset, err));
719 }
720
721 return (err);
722 }
723
724 /* write register(s) */
725 Static int
726 udav_csr_write(struct udav_softc *sc, int offset, void *buf, int len)
727 {
728 usb_device_request_t req;
729 usbd_status err;
730
731 if (sc == NULL)
732 return (0);
733
734 DPRINTFN(0x200,
735 ("%s: %s: enter\n", USBDEVNAME(sc->sc_dev), __func__));
736
737 if (sc->sc_dying)
738 return (0);
739
740 offset &= 0xff;
741 len &= 0xff;
742
743 req.bmRequestType = UT_WRITE_VENDOR_DEVICE;
744 req.bRequest = UDAV_REQ_REG_WRITE;
745 USETW(req.wValue, 0x0000);
746 USETW(req.wIndex, offset);
747 USETW(req.wLength, len);
748
749 sc->sc_refcnt++;
750 err = usbd_do_request(sc->sc_udev, &req, buf);
751 if (--sc->sc_refcnt < 0)
752 usb_detach_wakeup(USBDEV(sc->sc_dev));
753 if (err) {
754 DPRINTF(("%s: %s: write failed. off=%04x, err=%d\n",
755 USBDEVNAME(sc->sc_dev), __func__, offset, err));
756 }
757
758 return (err);
759 }
760
761 Static int
762 udav_csr_read1(struct udav_softc *sc, int offset)
763 {
764 u_int8_t val = 0;
765
766 if (sc == NULL)
767 return (0);
768
769 DPRINTFN(0x200,
770 ("%s: %s: enter\n", USBDEVNAME(sc->sc_dev), __func__));
771
772 if (sc->sc_dying)
773 return (0);
774
775 return (udav_csr_read(sc, offset, &val, 1) ? 0 : val);
776 }
777
778 /* write a register */
779 Static int
780 udav_csr_write1(struct udav_softc *sc, int offset, unsigned char ch)
781 {
782 usb_device_request_t req;
783 usbd_status err;
784
785 if (sc == NULL)
786 return (0);
787
788 DPRINTFN(0x200,
789 ("%s: %s: enter\n", USBDEVNAME(sc->sc_dev), __func__));
790
791 if (sc->sc_dying)
792 return (0);
793
794 offset &= 0xff;
795
796 req.bmRequestType = UT_WRITE_VENDOR_DEVICE;
797 req.bRequest = UDAV_REQ_REG_WRITE1;
798 USETW(req.wValue, ch);
799 USETW(req.wIndex, offset);
800 USETW(req.wLength, 0x0000);
801
802 sc->sc_refcnt++;
803 err = usbd_do_request(sc->sc_udev, &req, NULL);
804 if (--sc->sc_refcnt < 0)
805 usb_detach_wakeup(USBDEV(sc->sc_dev));
806 if (err) {
807 DPRINTF(("%s: %s: write failed. off=%04x, err=%d\n",
808 USBDEVNAME(sc->sc_dev), __func__, offset, err));
809 }
810
811 return (err);
812 }
813
814 #if defined(__NetBSD__)
815 Static int
816 udav_init(struct ifnet *ifp)
817 #elif defined(__FreeBSD__)
818 Static void
819 udav_init(void *xsc)
820 #endif
821 {
822 #if defined(__NetBSD__)
823 struct udav_softc *sc = ifp->if_softc;
824 #elif defined(__FreeBSD__)
825 struct udav_softc *sc = (struct udav_softc *)xsc;
826 struct ifnet *ifp = GET_IFP(sc);
827 #endif
828 struct mii_data *mii = GET_MII(sc);
829 u_char *eaddr;
830 #if defined(__NetBSD__)
831 int s;
832 #endif
833
834 DPRINTF(("%s: %s: enter\n", USBDEVNAME(sc->sc_dev), __func__));
835
836 if (sc->sc_dying)
837 #if defined(__NetBSD__)
838 return (EIO);
839 #elif defined(__FreeBSD__)
840 return ;
841 #endif
842
843 #if defined(__NetBSD__)
844 s = splnet();
845 #elif defined(__FreeBSD__)
846 UDAV_LOCK(sc);
847 #endif
848
849 /* Cancel pending I/O and free all TX/RX buffers */
850 udav_stop(ifp, 1);
851
852 #if defined(__NetBSD__)
853 eaddr = LLADDR(ifp->if_sadl);
854 #elif defined(__FreeBSD__)
855 eaddr = IFP2ENADDR(ifp);
856 #endif
857 udav_csr_write(sc, UDAV_PAR, eaddr, ETHER_ADDR_LEN);
858
859 /* Initialize network control register */
860 /* Disable loopback */
861 UDAV_CLRBIT(sc, UDAV_NCR, UDAV_NCR_LBK0 | UDAV_NCR_LBK1);
862
863 /* Initialize RX control register */
864 UDAV_SETBIT(sc, UDAV_RCR, UDAV_RCR_DIS_LONG | UDAV_RCR_DIS_CRC);
865
866 /* If we want promiscuous mode, accept all physical frames. */
867 if (ifp->if_flags & IFF_PROMISC)
868 UDAV_SETBIT(sc, UDAV_RCR, UDAV_RCR_ALL|UDAV_RCR_PRMSC);
869 else
870 UDAV_CLRBIT(sc, UDAV_RCR, UDAV_RCR_ALL|UDAV_RCR_PRMSC);
871
872 /* Initialize transmit ring */
873 if (usb_ether_tx_list_init(sc, &sc->sc_cdata,
874 sc->sc_udev) == ENOBUFS) {
875 printf("%s: tx list init failed\n", USBDEVNAME(sc->sc_dev));
876 #if defined(__NetBSD__)
877 splx(s);
878 return (EIO);
879 #elif defined(__FreeBSD__)
880 UDAV_UNLOCK(sc);
881 return ;
882 #endif
883
884 }
885
886 /* Initialize receive ring */
887 if (usb_ether_rx_list_init(sc, &sc->sc_cdata,
888 sc->sc_udev) == ENOBUFS) {
889 printf("%s: rx list init failed\n", USBDEVNAME(sc->sc_dev));
890 #if defined(__NetBSD__)
891 splx(s);
892 return (EIO);
893 #elif defined(__FreeBSD__)
894 UDAV_UNLOCK(sc);
895 return ;
896 #endif
897 }
898
899 /* Load the multicast filter */
900 udav_setmulti(sc);
901
902 /* Enable RX */
903 UDAV_SETBIT(sc, UDAV_RCR, UDAV_RCR_RXEN);
904
905 /* clear POWER_DOWN state of internal PHY */
906 UDAV_SETBIT(sc, UDAV_GPCR, UDAV_GPCR_GEP_CNTL0);
907 UDAV_CLRBIT(sc, UDAV_GPR, UDAV_GPR_GEPIO0);
908
909 mii_mediachg(mii);
910
911 if (sc->sc_pipe_tx == NULL || sc->sc_pipe_rx == NULL) {
912 if (udav_openpipes(sc)) {
913 #if defined(__NetBSD__)
914 splx(s);
915 return (EIO);
916 #elif defined(__FreeBSD__)
917 UDAV_UNLOCK(sc);
918 return ;
919 #endif
920 }
921 }
922
923 #if defined(__FreeBSD__)
924 ifp->if_drv_flags |= IFF_DRV_RUNNING;
925 ifp->if_drv_flags &= ~IFF_DRV_OACTIVE;
926 #else
927 ifp->if_flags |= IFF_RUNNING;
928 ifp->if_flags &= ~IFF_OACTIVE;
929 #endif
930
931 #if defined(__NetBSD__)
932 splx(s);
933 #elif defined(__FreeBSD__)
934 UDAV_UNLOCK(sc);
935 #endif
936
937 usb_callout(sc->sc_stat_ch, hz, udav_tick, sc);
938
939 #if defined(__NetBSD__)
940 return (0);
941 #elif defined(__FreeBSD__)
942 return ;
943 #endif
944 }
945
946 Static void
947 udav_reset(struct udav_softc *sc)
948 {
949 int i;
950
951 DPRINTF(("%s: %s: enter\n", USBDEVNAME(sc->sc_dev), __func__));
952
953 if (sc->sc_dying)
954 return;
955
956 /* Select PHY */
957 #if 1
958 /*
959 * XXX: force select internal phy.
960 * external phy routines are not tested.
961 */
962 UDAV_CLRBIT(sc, UDAV_NCR, UDAV_NCR_EXT_PHY);
963 #else
964 if (sc->sc_flags & UDAV_EXT_PHY) {
965 UDAV_SETBIT(sc, UDAV_NCR, UDAV_NCR_EXT_PHY);
966 } else {
967 UDAV_CLRBIT(sc, UDAV_NCR, UDAV_NCR_EXT_PHY);
968 }
969 #endif
970
971 UDAV_SETBIT(sc, UDAV_NCR, UDAV_NCR_RST);
972
973 for (i = 0; i < UDAV_TX_TIMEOUT; i++) {
974 if (!(udav_csr_read1(sc, UDAV_NCR) & UDAV_NCR_RST))
975 break;
976 delay(10); /* XXX */
977 }
978 delay(10000); /* XXX */
979 }
980
981 #if defined(__NetBSD__) || defined(__OpenBSD__)
982 int
983 udav_activate(device_ptr_t self, enum devact act)
984 {
985 struct udav_softc *sc = (struct udav_softc *)self;
986
987 DPRINTF(("%s: %s: enter, act=%d\n", USBDEVNAME(sc->sc_dev),
988 __func__, act));
989 switch (act) {
990 case DVACT_ACTIVATE:
991 return (EOPNOTSUPP);
992 break;
993
994 case DVACT_DEACTIVATE:
995 if_deactivate(&sc->sc_ec.ec_if);
996 sc->sc_dying = 1;
997 break;
998 }
999 return (0);
1000 }
1001 #endif
1002
1003 #define UDAV_BITS 6
1004
1005 #define UDAV_CALCHASH(addr) \
1006 (ether_crc32_le((addr), ETHER_ADDR_LEN) & ((1 << UDAV_BITS) - 1))
1007
1008 Static void
1009 udav_setmulti(struct udav_softc *sc)
1010 {
1011 struct ifnet *ifp;
1012 #if defined(__NetBSD__)
1013 struct ether_multi *enm;
1014 struct ether_multistep step;
1015 #elif defined(__FreeBSD__)
1016 struct ifmultiaddr *ifma;
1017 #endif
1018 u_int8_t hashes[8];
1019 int h = 0;
1020
1021 DPRINTF(("%s: %s: enter\n", USBDEVNAME(sc->sc_dev), __func__));
1022
1023 if (sc->sc_dying)
1024 return;
1025
1026 ifp = GET_IFP(sc);
1027
1028 if (ifp->if_flags & IFF_PROMISC) {
1029 UDAV_SETBIT(sc, UDAV_RCR, UDAV_RCR_ALL|UDAV_RCR_PRMSC);
1030 return;
1031 } else if (ifp->if_flags & IFF_ALLMULTI) {
1032 #if defined(__NetBSD__)
1033 allmulti:
1034 #endif
1035 ifp->if_flags |= IFF_ALLMULTI;
1036 UDAV_SETBIT(sc, UDAV_RCR, UDAV_RCR_ALL);
1037 UDAV_CLRBIT(sc, UDAV_RCR, UDAV_RCR_PRMSC);
1038 return;
1039 }
1040
1041 /* first, zot all the existing hash bits */
1042 memset(hashes, 0x00, sizeof(hashes));
1043 hashes[7] |= 0x80; /* broadcast address */
1044 udav_csr_write(sc, UDAV_MAR, hashes, sizeof(hashes));
1045
1046 /* now program new ones */
1047 #if defined(__NetBSD__)
1048 ETHER_FIRST_MULTI(step, &sc->sc_ec, enm);
1049 while (enm != NULL) {
1050 if (memcmp(enm->enm_addrlo, enm->enm_addrhi,
1051 ETHER_ADDR_LEN) != 0)
1052 goto allmulti;
1053
1054 h = UDAV_CALCHASH(enm->enm_addrlo);
1055 hashes[h>>3] |= 1 << (h & 0x7);
1056 ETHER_NEXT_MULTI(step, enm);
1057 }
1058 #elif defined(__FreeBSD__)
1059 IF_ADDR_LOCK(ifp);
1060 #if __FreeBSD_version >= 500000
1061 TAILQ_FOREACH(ifma, &ifp->if_multiaddrs, ifma_link)
1062 #else
1063 LIST_FOREACH(ifma, &ifp->if_multiaddrs, ifma_link)
1064 #endif
1065 {
1066 if (ifma->ifma_addr->sa_family != AF_LINK)
1067 continue;
1068 h = UDAV_CALCHASH(LLADDR((struct sockaddr_dl *)
1069 ifma->ifma_addr));
1070 hashes[h>>3] |= 1 << (h & 0x7);
1071 }
1072 IF_ADDR_UNLOCK(ifp);
1073 #endif
1074
1075 /* disable all multicast */
1076 ifp->if_flags &= ~IFF_ALLMULTI;
1077 UDAV_CLRBIT(sc, UDAV_RCR, UDAV_RCR_ALL);
1078
1079 /* write hash value to the register */
1080 udav_csr_write(sc, UDAV_MAR, hashes, sizeof(hashes));
1081 }
1082
1083 Static int
1084 udav_openpipes(struct udav_softc *sc)
1085 {
1086 struct ue_chain *c;
1087 usbd_status err;
1088 int i;
1089 int error = 0;
1090
1091 if (sc->sc_dying)
1092 return (EIO);
1093
1094 sc->sc_refcnt++;
1095
1096 /* Open RX pipe */
1097 err = usbd_open_pipe(sc->sc_ctl_iface, sc->sc_bulkin_no,
1098 USBD_EXCLUSIVE_USE, &sc->sc_pipe_rx);
1099 if (err) {
1100 printf("%s: open rx pipe failed: %s\n",
1101 USBDEVNAME(sc->sc_dev), usbd_errstr(err));
1102 error = EIO;
1103 goto done;
1104 }
1105
1106 /* Open TX pipe */
1107 err = usbd_open_pipe(sc->sc_ctl_iface, sc->sc_bulkout_no,
1108 USBD_EXCLUSIVE_USE, &sc->sc_pipe_tx);
1109 if (err) {
1110 printf("%s: open tx pipe failed: %s\n",
1111 USBDEVNAME(sc->sc_dev), usbd_errstr(err));
1112 error = EIO;
1113 goto done;
1114 }
1115
1116 #if 0
1117 /* XXX: interrupt endpoint is not yet supported */
1118 /* Open Interrupt pipe */
1119 err = usbd_open_pipe_intr(sc->sc_ctl_iface, sc->sc_intrin_no,
1120 USBD_EXCLUSIVE_USE, &sc->sc_pipe_intr, sc,
1121 &sc->sc_cdata.ue_ibuf, UDAV_INTR_PKGLEN,
1122 udav_intr, UDAV_INTR_INTERVAL);
1123 if (err) {
1124 printf("%s: open intr pipe failed: %s\n",
1125 USBDEVNAME(sc->sc_dev), usbd_errstr(err));
1126 error = EIO;
1127 goto done;
1128 }
1129 #endif
1130
1131
1132 /* Start up the receive pipe. */
1133 for (i = 0; i < UE_RX_LIST_CNT; i++) {
1134 c = &sc->sc_cdata.ue_rx_chain[i];
1135 usbd_setup_xfer(c->ue_xfer, sc->sc_pipe_rx,
1136 c, c->ue_buf, UE_BUFSZ,
1137 USBD_SHORT_XFER_OK | USBD_NO_COPY,
1138 USBD_NO_TIMEOUT, udav_rxeof);
1139 (void)usbd_transfer(c->ue_xfer);
1140 DPRINTF(("%s: %s: start read\n", USBDEVNAME(sc->sc_dev),
1141 __func__));
1142 }
1143
1144 done:
1145 if (--sc->sc_refcnt < 0)
1146 usb_detach_wakeup(USBDEV(sc->sc_dev));
1147
1148 return (error);
1149 }
1150
1151 Static void
1152 udav_start(struct ifnet *ifp)
1153 {
1154 struct udav_softc *sc = ifp->if_softc;
1155 struct mbuf *m_head = NULL;
1156
1157 DPRINTF(("%s: %s: enter, link=%d\n", USBDEVNAME(sc->sc_dev),
1158 __func__, sc->sc_link));
1159
1160 if (sc->sc_dying)
1161 return;
1162
1163 if (!sc->sc_link)
1164 return;
1165
1166 #if defined(__FreeBSD__)
1167 if (ifp->if_drv_flags & IFF_DRV_OACTIVE)
1168 #else
1169 if (ifp->if_flags & IFF_OACTIVE)
1170 #endif
1171 return;
1172 #if defined(__NetBSD__)
1173 IFQ_POLL(&ifp->if_snd, m_head);
1174 #elif defined(__FreeBSD__)
1175 IF_DEQUEUE(&ifp->if_snd, m_head);
1176 #endif
1177 if (m_head == NULL)
1178 return;
1179
1180 if (udav_send(sc, m_head, 0)) {
1181 #if defined(__FreeBSD__)
1182 IF_PREPEND(&ifp->if_snd, m_head);
1183 ifp->if_drv_flags |= IFF_DRV_OACTIVE;
1184 #else
1185 ifp->if_flags |= IFF_OACTIVE;
1186 #endif
1187 return;
1188 }
1189
1190 #if defined(__NetBSD__)
1191 IFQ_DEQUEUE(&ifp->if_snd, m_head);
1192 #endif
1193
1194 #if NBPFILTER > 0
1195 BPF_MTAP(ifp, m_head);
1196 #endif
1197
1198 #if defined(__FreeBSD__)
1199 ifp->if_drv_flags |= IFF_DRV_OACTIVE;
1200 #else
1201 ifp->if_flags |= IFF_OACTIVE;
1202 #endif
1203
1204 /* Set a timeout in case the chip goes out to lunch. */
1205 ifp->if_timer = 5;
1206 }
1207
1208 Static int
1209 udav_send(struct udav_softc *sc, struct mbuf *m, int idx)
1210 {
1211 int total_len;
1212 struct ue_chain *c;
1213 usbd_status err;
1214
1215 DPRINTF(("%s: %s: enter\n", USBDEVNAME(sc->sc_dev),__func__));
1216
1217 c = &sc->sc_cdata.ue_tx_chain[idx];
1218
1219 /* Copy the mbuf data into a contiguous buffer */
1220 /* first 2 bytes are packet length */
1221 m_copydata(m, 0, m->m_pkthdr.len, c->ue_buf + 2);
1222 c->ue_mbuf = m;
1223 total_len = m->m_pkthdr.len;
1224 if (total_len < UDAV_MIN_FRAME_LEN) {
1225 memset(c->ue_buf + 2 + total_len, 0,
1226 UDAV_MIN_FRAME_LEN - total_len);
1227 total_len = UDAV_MIN_FRAME_LEN;
1228 }
1229
1230 /* Frame length is specified in the first 2bytes of the buffer */
1231 c->ue_buf[0] = (u_int8_t)total_len;
1232 c->ue_buf[1] = (u_int8_t)(total_len >> 8);
1233 total_len += 2;
1234
1235 usbd_setup_xfer(c->ue_xfer, sc->sc_pipe_tx, c, c->ue_buf, total_len,
1236 USBD_FORCE_SHORT_XFER | USBD_NO_COPY,
1237 UDAV_TX_TIMEOUT, udav_txeof);
1238
1239 /* Transmit */
1240 sc->sc_refcnt++;
1241 err = usbd_transfer(c->ue_xfer);
1242 if (--sc->sc_refcnt < 0)
1243 usb_detach_wakeup(USBDEV(sc->sc_dev));
1244 if (err != USBD_IN_PROGRESS) {
1245 printf("%s: udav_send error=%s\n", USBDEVNAME(sc->sc_dev),
1246 usbd_errstr(err));
1247 /* Stop the interface */
1248 usb_add_task(sc->sc_udev, &sc->sc_stop_task);
1249 return (EIO);
1250 }
1251
1252 DPRINTF(("%s: %s: send %d bytes\n", USBDEVNAME(sc->sc_dev),
1253 __func__, total_len));
1254
1255 sc->sc_cdata.ue_tx_cnt++;
1256
1257 return (0);
1258 }
1259
1260 Static void
1261 udav_txeof(usbd_xfer_handle xfer, usbd_private_handle priv, usbd_status status)
1262 {
1263 struct ue_chain *c = priv;
1264 struct udav_softc *sc = c->ue_sc;
1265 struct ifnet *ifp = GET_IFP(sc);
1266 #if defined(__NetBSD__)
1267 int s;
1268 #endif
1269
1270 if (sc->sc_dying)
1271 return;
1272
1273 #if defined(__NetBSD__)
1274 s = splnet();
1275 #elif defined(__FreeBSD__)
1276 UDAV_LOCK(sc);
1277 #endif
1278
1279 DPRINTF(("%s: %s: enter\n", USBDEVNAME(sc->sc_dev), __func__));
1280
1281 ifp->if_timer = 0;
1282 #if defined(__FreeBSD__)
1283 ifp->if_drv_flags &= ~IFF_DRV_OACTIVE;
1284 #else
1285 ifp->if_flags &= ~IFF_OACTIVE;
1286 #endif
1287
1288 if (status != USBD_NORMAL_COMPLETION) {
1289 if (status == USBD_NOT_STARTED || status == USBD_CANCELLED) {
1290 #if defined(__NetBSD__)
1291 splx(s);
1292 #elif defined(__FreeBSD__)
1293 UDAV_UNLOCK(sc);
1294 #endif
1295 return;
1296 }
1297 ifp->if_oerrors++;
1298 printf("%s: usb error on tx: %s\n", USBDEVNAME(sc->sc_dev),
1299 usbd_errstr(status));
1300 if (status == USBD_STALLED) {
1301 sc->sc_refcnt++;
1302 usbd_clear_endpoint_stall(sc->sc_pipe_tx);
1303 if (--sc->sc_refcnt < 0)
1304 usb_detach_wakeup(USBDEV(sc->sc_dev));
1305 }
1306 #if defined(__NetBSD__)
1307 splx(s);
1308 #elif defined(__FreeBSD__)
1309 UDAV_UNLOCK(sc);
1310 #endif
1311 return;
1312 }
1313
1314 ifp->if_opackets++;
1315
1316 m_freem(c->ue_mbuf);
1317 c->ue_mbuf = NULL;
1318
1319 #if defined(__NetBSD__)
1320 if (IFQ_IS_EMPTY(&ifp->if_snd) == 0)
1321 #elif defined(__FreeBSD__)
1322 if ( ifp->if_snd.ifq_head != NULL )
1323 #endif
1324 udav_start(ifp);
1325
1326 #if defined(__NetBSD__)
1327 splx(s);
1328 #elif defined(__FreeBSD__)
1329 UDAV_UNLOCK(sc);
1330 #endif
1331 }
1332
1333 Static void
1334 udav_rxeof(usbd_xfer_handle xfer, usbd_private_handle priv, usbd_status status)
1335 {
1336 struct ue_chain *c = priv;
1337 struct udav_softc *sc = c->ue_sc;
1338 struct ifnet *ifp = GET_IFP(sc);
1339 struct mbuf *m;
1340 u_int32_t total_len;
1341 u_int8_t *pktstat;
1342 #if defined(__NetBSD__)
1343 int s;
1344 #endif
1345
1346 DPRINTF(("%s: %s: enter\n", USBDEVNAME(sc->sc_dev),__func__));
1347
1348 if (sc->sc_dying)
1349 return;
1350
1351 if (status != USBD_NORMAL_COMPLETION) {
1352 if (status == USBD_NOT_STARTED || status == USBD_CANCELLED)
1353 return;
1354 sc->sc_rx_errs++;
1355 if (usbd_ratecheck(&sc->sc_rx_notice)) {
1356 printf("%s: %u usb errors on rx: %s\n",
1357 USBDEVNAME(sc->sc_dev), sc->sc_rx_errs,
1358 usbd_errstr(status));
1359 sc->sc_rx_errs = 0;
1360 }
1361 if (status == USBD_STALLED) {
1362 sc->sc_refcnt++;
1363 usbd_clear_endpoint_stall(sc->sc_pipe_rx);
1364 if (--sc->sc_refcnt < 0)
1365 usb_detach_wakeup(USBDEV(sc->sc_dev));
1366 }
1367 goto done;
1368 }
1369
1370 usbd_get_xfer_status(xfer, NULL, NULL, &total_len, NULL);
1371
1372 /* copy data to mbuf */
1373 m = c->ue_mbuf;
1374 memcpy(mtod(m, char *), c->ue_buf, total_len);
1375
1376 /* first byte in received data */
1377 pktstat = mtod(m, u_int8_t *);
1378 m_adj(m, sizeof(u_int8_t));
1379 DPRINTF(("%s: RX Status: 0x%02x\n", USBDEVNAME(sc->sc_dev), *pktstat));
1380
1381 total_len = UGETW(mtod(m, u_int8_t *));
1382 m_adj(m, sizeof(u_int16_t));
1383
1384 if (*pktstat & UDAV_RSR_LCS) {
1385 ifp->if_collisions++;
1386 goto done;
1387 }
1388
1389 if (total_len < sizeof(struct ether_header) ||
1390 *pktstat & UDAV_RSR_ERR) {
1391 ifp->if_ierrors++;
1392 goto done;
1393 }
1394
1395 ifp->if_ipackets++;
1396 total_len -= ETHER_CRC_LEN;
1397
1398 m->m_pkthdr.len = m->m_len = total_len;
1399 #if defined(__NetBSD__)
1400 m->m_pkthdr.rcvif = ifp;
1401 #elif defined(__FreeBSD__)
1402 m->m_pkthdr.rcvif = (struct ifnet *)&sc->sc_qdat;
1403 #endif
1404
1405 #if defined(__NetBSD__)
1406 s = splnet();
1407 #elif defined(__FreeBSD__)
1408 UDAV_LOCK(sc);
1409 #endif
1410
1411 #if defined(__NetBSD__)
1412 c->ue_mbuf = usb_ether_newbuf();
1413 if (c->ue_mbuf == NULL) {
1414 printf("%s: no memory for rx list "
1415 "-- packet dropped!\n", USBDEVNAME(sc->sc_dev));
1416 ifp->if_ierrors++;
1417 goto done1;
1418 }
1419 #endif
1420
1421 #if NBPFILTER > 0
1422 BPF_MTAP(ifp, m);
1423 #endif
1424
1425 DPRINTF(("%s: %s: deliver %d\n", USBDEVNAME(sc->sc_dev),
1426 __func__, m->m_len));
1427 #if defined(__NetBSD__)
1428 IF_INPUT(ifp, m);
1429 #endif
1430 #if defined(__FreeBSD__)
1431 usb_ether_input(m);
1432 UDAV_UNLOCK(sc);
1433 return ;
1434 #endif
1435
1436 #if defined(__NetBSD__)
1437 done1:
1438 splx(s);
1439 #elif defined(__FreeBSD__)
1440 UDAV_UNLOCK(sc);
1441 #endif
1442 done:
1443 /* Setup new transfer */
1444 usbd_setup_xfer(xfer, sc->sc_pipe_rx, c, c->ue_buf, UE_BUFSZ,
1445 USBD_SHORT_XFER_OK | USBD_NO_COPY,
1446 USBD_NO_TIMEOUT, udav_rxeof);
1447 sc->sc_refcnt++;
1448 usbd_transfer(xfer);
1449 if (--sc->sc_refcnt < 0)
1450 usb_detach_wakeup(USBDEV(sc->sc_dev));
1451
1452 DPRINTF(("%s: %s: start rx\n", USBDEVNAME(sc->sc_dev), __func__));
1453 }
1454
1455 #if 0
1456 Static void udav_intr()
1457 {
1458 }
1459 #endif
1460
1461 Static int
1462 udav_ioctl(struct ifnet *ifp, u_long cmd, caddr_t data)
1463 {
1464 struct udav_softc *sc = ifp->if_softc;
1465 struct ifreq *ifr = (struct ifreq *)data;
1466 struct mii_data *mii;
1467 #if defined(__NetBSD__)
1468 int s;
1469 #endif
1470 int error = 0;
1471
1472 DPRINTF(("%s: %s: enter\n", USBDEVNAME(sc->sc_dev), __func__));
1473
1474 if (sc->sc_dying)
1475 return (EIO);
1476
1477 #if defined(__NetBSD__)
1478 s = splnet();
1479 #elif defined(__FreeBSD__)
1480 UDAV_LOCK(sc);
1481 #endif
1482
1483 switch (cmd) {
1484 #if defined(__FreeBSD__)
1485 case SIOCSIFFLAGS:
1486 if (ifp->if_flags & IFF_UP) {
1487 if (ifp->if_drv_flags & IFF_DRV_RUNNING &&
1488 ifp->if_flags & IFF_PROMISC) {
1489 UDAV_SETBIT(sc, UDAV_RCR,
1490 UDAV_RCR_ALL|UDAV_RCR_PRMSC);
1491 } else if (ifp->if_drv_flags & IFF_DRV_RUNNING &&
1492 !(ifp->if_flags & IFF_PROMISC)) {
1493 if (ifp->if_flags & IFF_ALLMULTI)
1494 UDAV_CLRBIT(sc, UDAV_RCR,
1495 UDAV_RCR_PRMSC);
1496 else
1497 UDAV_CLRBIT(sc, UDAV_RCR,
1498 UDAV_RCR_ALL|UDAV_RCR_PRMSC);
1499 } else if (!(ifp->if_drv_flags & IFF_DRV_RUNNING))
1500 udav_init(sc);
1501 } else {
1502 if (ifp->if_drv_flags & IFF_DRV_RUNNING)
1503 udav_stop(ifp, 1);
1504 }
1505 error = 0;
1506 break;
1507 case SIOCADDMULTI:
1508 case SIOCDELMULTI:
1509 udav_setmulti(sc);
1510 error = 0;
1511 break;
1512 #endif
1513 case SIOCGIFMEDIA:
1514 case SIOCSIFMEDIA:
1515 mii = GET_MII(sc);
1516 error = ifmedia_ioctl(ifp, ifr, &mii->mii_media, cmd);
1517 break;
1518
1519 default:
1520 error = ether_ioctl(ifp, cmd, data);
1521 #if defined(__NetBSD__)
1522 if (error == ENETRESET) {
1523 udav_setmulti(sc);
1524 error = 0;
1525 }
1526 #endif
1527 break;
1528 }
1529
1530 #if defined(__NetBSD__)
1531 splx(s);
1532 #elif defined(__FreeBSD__)
1533 UDAV_UNLOCK(sc);
1534 #endif
1535
1536 return (error);
1537 }
1538
1539 Static void
1540 udav_watchdog(struct ifnet *ifp)
1541 {
1542 struct udav_softc *sc = ifp->if_softc;
1543 struct ue_chain *c;
1544 usbd_status stat;
1545 #if defined(__NetBSD__)
1546 int s;
1547 #endif
1548
1549 DPRINTF(("%s: %s: enter\n", USBDEVNAME(sc->sc_dev), __func__));
1550
1551 ifp->if_oerrors++;
1552 printf("%s: watchdog timeout\n", USBDEVNAME(sc->sc_dev));
1553
1554 #if defined(__NetBSD__)
1555 s = splusb();
1556 #elif defined(__FreeBSD__)
1557 UDAV_LOCK(sc)
1558 #endif
1559 c = &sc->sc_cdata.ue_tx_chain[0];
1560 usbd_get_xfer_status(c->ue_xfer, NULL, NULL, NULL, &stat);
1561 udav_txeof(c->ue_xfer, c, stat);
1562
1563 #if defined(__NetBSD__)
1564 if (IFQ_IS_EMPTY(&ifp->if_snd) == 0)
1565 #elif defined(__FreeBSD__)
1566 if ( ifp->if_snd.ifq_head != NULL )
1567 #endif
1568 udav_start(ifp);
1569 #if defined(__NetBSD__)
1570 splx(s);
1571 #elif defined(__FreeBSD__)
1572 UDAV_UNLOCK(sc);
1573 #endif
1574 }
1575
1576 Static void
1577 udav_stop_task(struct udav_softc *sc)
1578 {
1579 udav_stop(GET_IFP(sc), 1);
1580 }
1581
1582 /* Stop the adapter and free any mbufs allocated to the RX and TX lists. */
1583 Static void
1584 udav_stop(struct ifnet *ifp, int disable)
1585 {
1586 struct udav_softc *sc = ifp->if_softc;
1587 usbd_status err;
1588
1589 DPRINTF(("%s: %s: enter\n", USBDEVNAME(sc->sc_dev), __func__));
1590
1591 ifp->if_timer = 0;
1592
1593 udav_reset(sc);
1594
1595 usb_uncallout(sc->sc_stat_ch, udav_tick, sc);
1596
1597 /* Stop transfers */
1598 /* RX endpoint */
1599 if (sc->sc_pipe_rx != NULL) {
1600 err = usbd_abort_pipe(sc->sc_pipe_rx);
1601 if (err)
1602 printf("%s: abort rx pipe failed: %s\n",
1603 USBDEVNAME(sc->sc_dev), usbd_errstr(err));
1604 err = usbd_close_pipe(sc->sc_pipe_rx);
1605 if (err)
1606 printf("%s: close rx pipe failed: %s\n",
1607 USBDEVNAME(sc->sc_dev), usbd_errstr(err));
1608 sc->sc_pipe_rx = NULL;
1609 }
1610
1611 /* TX endpoint */
1612 if (sc->sc_pipe_tx != NULL) {
1613 err = usbd_abort_pipe(sc->sc_pipe_tx);
1614 if (err)
1615 printf("%s: abort tx pipe failed: %s\n",
1616 USBDEVNAME(sc->sc_dev), usbd_errstr(err));
1617 err = usbd_close_pipe(sc->sc_pipe_tx);
1618 if (err)
1619 printf("%s: close tx pipe failed: %s\n",
1620 USBDEVNAME(sc->sc_dev), usbd_errstr(err));
1621 sc->sc_pipe_tx = NULL;
1622 }
1623
1624 #if 0
1625 /* XXX: Interrupt endpoint is not yet supported!! */
1626 /* Interrupt endpoint */
1627 if (sc->sc_pipe_intr != NULL) {
1628 err = usbd_abort_pipe(sc->sc_pipe_intr);
1629 if (err)
1630 printf("%s: abort intr pipe failed: %s\n",
1631 USBDEVNAME(sc->sc_dev), usbd_errstr(err));
1632 err = usbd_close_pipe(sc->sc_pipe_intr);
1633 if (err)
1634 printf("%s: close intr pipe failed: %s\n",
1635 USBDEVNAME(sc->sc_dev), usbd_errstr(err));
1636 sc->sc_pipe_intr = NULL;
1637 }
1638 #endif
1639
1640 /* Free RX resources. */
1641 usb_ether_rx_list_free(&sc->sc_cdata);
1642 /* Free TX resources. */
1643 usb_ether_tx_list_free(&sc->sc_cdata);
1644
1645 sc->sc_link = 0;
1646 #if defined(__FreeBSD__)
1647 ifp->if_drv_flags &= ~(IFF_DRV_RUNNING | IFF_DRV_OACTIVE);
1648 #else
1649 ifp->if_flags &= ~(IFF_RUNNING | IFF_OACTIVE);
1650 #endif
1651 }
1652
1653 /* Set media options */
1654 Static int
1655 udav_ifmedia_change(struct ifnet *ifp)
1656 {
1657 struct udav_softc *sc = ifp->if_softc;
1658 struct mii_data *mii = GET_MII(sc);
1659
1660 DPRINTF(("%s: %s: enter\n", USBDEVNAME(sc->sc_dev), __func__));
1661
1662 if (sc->sc_dying)
1663 return (0);
1664
1665 sc->sc_link = 0;
1666 if (mii->mii_instance) {
1667 struct mii_softc *miisc;
1668 for (miisc = LIST_FIRST(&mii->mii_phys); miisc != NULL;
1669 miisc = LIST_NEXT(miisc, mii_list))
1670 mii_phy_reset(miisc);
1671 }
1672
1673 return (mii_mediachg(mii));
1674 }
1675
1676 /* Report current media status. */
1677 Static void
1678 udav_ifmedia_status(struct ifnet *ifp, struct ifmediareq *ifmr)
1679 {
1680 struct udav_softc *sc = ifp->if_softc;
1681 struct mii_data *mii = GET_MII(sc);
1682
1683 DPRINTF(("%s: %s: enter\n", USBDEVNAME(sc->sc_dev), __func__));
1684
1685 if (sc->sc_dying)
1686 return;
1687
1688 #if defined(__FreeBSD__)
1689 if ((ifp->if_drv_flags & IFF_DRV_RUNNING) == 0) {
1690 #else
1691 if ((ifp->if_flags & IFF_RUNNING) == 0) {
1692 #endif
1693 ifmr->ifm_active = IFM_ETHER | IFM_NONE;
1694 ifmr->ifm_status = 0;
1695 return;
1696 }
1697
1698 mii_pollstat(mii);
1699 ifmr->ifm_active = mii->mii_media_active;
1700 ifmr->ifm_status = mii->mii_media_status;
1701 }
1702
1703 Static void
1704 udav_tick(void *xsc)
1705 {
1706 struct udav_softc *sc = xsc;
1707
1708 if (sc == NULL)
1709 return;
1710
1711 DPRINTFN(0xff, ("%s: %s: enter\n", USBDEVNAME(sc->sc_dev),
1712 __func__));
1713
1714 if (sc->sc_dying)
1715 return;
1716
1717 /* Perform periodic stuff in process context */
1718 usb_add_task(sc->sc_udev, &sc->sc_tick_task);
1719 }
1720
1721 Static void
1722 udav_tick_task(void *xsc)
1723 {
1724 struct udav_softc *sc = xsc;
1725 struct ifnet *ifp;
1726 struct mii_data *mii;
1727 #if defined(__NetBSD__)
1728 int s;
1729 #endif
1730
1731 if (sc == NULL)
1732 return;
1733
1734 DPRINTFN(0xff, ("%s: %s: enter\n", USBDEVNAME(sc->sc_dev),
1735 __func__));
1736
1737 if (sc->sc_dying)
1738 return;
1739
1740 ifp = GET_IFP(sc);
1741 mii = GET_MII(sc);
1742
1743 if (mii == NULL)
1744 return;
1745
1746 #if defined(__NetBSD__)
1747 s = splnet();
1748 #elif defined(__FreeBSD__)
1749 UDAV_LOCK(sc);
1750 #endif
1751
1752 mii_tick(mii);
1753 if (!sc->sc_link) {
1754 mii_pollstat(mii);
1755 if (mii->mii_media_status & IFM_ACTIVE &&
1756 IFM_SUBTYPE(mii->mii_media_active) != IFM_NONE) {
1757 DPRINTF(("%s: %s: got link\n",
1758 USBDEVNAME(sc->sc_dev), __func__));
1759 sc->sc_link++;
1760 #if defined(__NetBSD__)
1761 if (IFQ_IS_EMPTY(&ifp->if_snd) == 0)
1762 #elif defined(__FreeBSD__)
1763 if ( ifp->if_snd.ifq_head != NULL )
1764 #endif
1765 udav_start(ifp);
1766 }
1767 }
1768
1769 usb_callout(sc->sc_stat_ch, hz, udav_tick, sc);
1770
1771 #if defined(__NetBSD__)
1772 splx(s);
1773 #elif defined(__FreeBSD__)
1774 UDAV_UNLOCK(sc);
1775 #endif
1776 }
1777
1778 /* Get exclusive access to the MII registers */
1779 Static void
1780 udav_lock_mii(struct udav_softc *sc)
1781 {
1782 DPRINTFN(0xff, ("%s: %s: enter\n", USBDEVNAME(sc->sc_dev),
1783 __func__));
1784
1785 sc->sc_refcnt++;
1786 #if defined(__NetBSD__)
1787 lockmgr(&sc->sc_mii_lock, LK_EXCLUSIVE, NULL);
1788 #elif defined(__FreeBSD__)
1789 lockmgr(&sc->sc_mii_lock, LK_EXCLUSIVE, NULL, NULL);
1790 #endif
1791 }
1792
1793 Static void
1794 udav_unlock_mii(struct udav_softc *sc)
1795 {
1796 DPRINTFN(0xff, ("%s: %s: enter\n", USBDEVNAME(sc->sc_dev),
1797 __func__));
1798
1799 #if defined(__NetBSD__)
1800 lockmgr(&sc->sc_mii_lock, LK_RELEASE, NULL);
1801 #elif defined(__FreeBSD__)
1802 lockmgr(&sc->sc_mii_lock, LK_RELEASE, NULL, NULL);
1803 #endif
1804 if (--sc->sc_refcnt < 0)
1805 usb_detach_wakeup(USBDEV(sc->sc_dev));
1806 }
1807
1808 Static int
1809 udav_miibus_readreg(device_ptr_t dev, int phy, int reg)
1810 {
1811 struct udav_softc *sc;
1812 u_int8_t val[2];
1813 u_int16_t data16;
1814
1815 if (dev == NULL)
1816 return (0);
1817
1818 sc = USBGETSOFTC(dev);
1819
1820 DPRINTFN(0xff, ("%s: %s: enter, phy=%d reg=0x%04x\n",
1821 USBDEVNAME(sc->sc_dev), __func__, phy, reg));
1822
1823 if (sc->sc_dying) {
1824 #ifdef DIAGNOSTIC
1825 printf("%s: %s: dying\n", USBDEVNAME(sc->sc_dev),
1826 __func__);
1827 #endif
1828 return (0);
1829 }
1830
1831 /* XXX: one PHY only for the internal PHY */
1832 if (phy != 0) {
1833 DPRINTFN(0xff, ("%s: %s: phy=%d is not supported\n",
1834 USBDEVNAME(sc->sc_dev), __func__, phy));
1835 return (0);
1836 }
1837
1838 udav_lock_mii(sc);
1839
1840 /* select internal PHY and set PHY register address */
1841 udav_csr_write1(sc, UDAV_EPAR,
1842 UDAV_EPAR_PHY_ADR0 | (reg & UDAV_EPAR_EROA_MASK));
1843
1844 /* select PHY operation and start read command */
1845 udav_csr_write1(sc, UDAV_EPCR, UDAV_EPCR_EPOS | UDAV_EPCR_ERPRR);
1846
1847 /* XXX: should be wait? */
1848
1849 /* end read command */
1850 UDAV_CLRBIT(sc, UDAV_EPCR, UDAV_EPCR_ERPRR);
1851
1852 /* retrieve the result from data registers */
1853 udav_csr_read(sc, UDAV_EPDRL, val, 2);
1854
1855 udav_unlock_mii(sc);
1856
1857 data16 = val[0] | (val[1] << 8);
1858
1859 DPRINTFN(0xff, ("%s: %s: phy=%d reg=0x%04x => 0x%04x\n",
1860 USBDEVNAME(sc->sc_dev), __func__, phy, reg, data16));
1861
1862 return (data16);
1863 }
1864
1865 Static void
1866 udav_miibus_writereg(device_ptr_t dev, int phy, int reg, int data)
1867 {
1868 struct udav_softc *sc;
1869 u_int8_t val[2];
1870
1871 if (dev == NULL)
1872 return;
1873
1874 sc = USBGETSOFTC(dev);
1875
1876 DPRINTFN(0xff, ("%s: %s: enter, phy=%d reg=0x%04x data=0x%04x\n",
1877 USBDEVNAME(sc->sc_dev), __func__, phy, reg, data));
1878
1879 if (sc->sc_dying) {
1880 #ifdef DIAGNOSTIC
1881 printf("%s: %s: dying\n", USBDEVNAME(sc->sc_dev),
1882 __func__);
1883 #endif
1884 return;
1885 }
1886
1887 /* XXX: one PHY only for the internal PHY */
1888 if (phy != 0) {
1889 DPRINTFN(0xff, ("%s: %s: phy=%d is not supported\n",
1890 USBDEVNAME(sc->sc_dev), __func__, phy));
1891 return;
1892 }
1893
1894 udav_lock_mii(sc);
1895
1896 /* select internal PHY and set PHY register address */
1897 udav_csr_write1(sc, UDAV_EPAR,
1898 UDAV_EPAR_PHY_ADR0 | (reg & UDAV_EPAR_EROA_MASK));
1899
1900 /* put the value to the data registers */
1901 val[0] = data & 0xff;
1902 val[1] = (data >> 8) & 0xff;
1903 udav_csr_write(sc, UDAV_EPDRL, val, 2);
1904
1905 /* select PHY operation and start write command */
1906 udav_csr_write1(sc, UDAV_EPCR, UDAV_EPCR_EPOS | UDAV_EPCR_ERPRW);
1907
1908 /* XXX: should be wait? */
1909
1910 /* end write command */
1911 UDAV_CLRBIT(sc, UDAV_EPCR, UDAV_EPCR_ERPRW);
1912
1913 udav_unlock_mii(sc);
1914
1915 return;
1916 }
1917
1918 Static void
1919 udav_miibus_statchg(device_ptr_t dev)
1920 {
1921 #ifdef UDAV_DEBUG
1922 struct udav_softc *sc;
1923
1924 if (dev == NULL)
1925 return;
1926
1927 sc = USBGETSOFTC(dev);
1928 DPRINTF(("%s: %s: enter\n", USBDEVNAME(sc->sc_dev), __func__));
1929 #endif
1930 /* Nothing to do */
1931 }
1932
1933 #if defined(__FreeBSD__)
1934 /*
1935 * Stop all chip I/O so that the kernel's probe routines don't
1936 * get confused by errant DMAs when rebooting.
1937 */
1938 Static void
1939 udav_shutdown(device_ptr_t dev)
1940 {
1941 struct udav_softc *sc;
1942
1943 sc = device_get_softc(dev);
1944
1945 udav_stop_task(sc);
1946
1947 return;
1948 }
1949
1950 Static void
1951 udav_rxstart(struct ifnet *ifp)
1952 {
1953 struct udav_softc *sc;
1954 struct ue_chain *c;
1955
1956 sc = ifp->if_softc;
1957 UDAV_LOCK(sc);
1958 c = &sc->sc_cdata.ue_rx_chain[sc->sc_cdata.ue_rx_prod];
1959
1960 c->ue_mbuf = usb_ether_newbuf();
1961 if (c->ue_mbuf == NULL) {
1962 printf("%s: no memory for rx list "
1963 "-- packet dropped!\n", USBDEVNAME(sc->sc_dev));
1964 ifp->if_ierrors++;
1965 UDAV_UNLOCK(sc);
1966 return;
1967 }
1968
1969 /* Setup new transfer. */
1970 usbd_setup_xfer(c->ue_xfer, sc->sc_pipe_rx,
1971 c, c->ue_buf, UE_BUFSZ,
1972 USBD_SHORT_XFER_OK | USBD_NO_COPY,
1973 USBD_NO_TIMEOUT, udav_rxeof);
1974 usbd_transfer(c->ue_xfer);
1975
1976 UDAV_UNLOCK(sc);
1977 return;
1978 }
1979 #endif
Cache object: d90979de20f90772290c8e3d1c633eeb
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