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 1.14.2.4 2006/03/17 21:30:56 glebius 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 1.14.2.4 2006/03/17 21:30:56 glebius 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_snd.ifq_maxlen = IFQ_MAXLEN;
419 #endif
420 #if defined(__NetBSD__)
421 IFQ_SET_READY(&ifp->if_snd);
422 #endif
423
424
425 #if defined(__NetBSD__)
426 /*
427 * Do ifmedia setup.
428 */
429 mii = &sc->sc_mii;
430 mii->mii_ifp = ifp;
431 mii->mii_readreg = udav_miibus_readreg;
432 mii->mii_writereg = udav_miibus_writereg;
433 mii->mii_statchg = udav_miibus_statchg;
434 mii->mii_flags = MIIF_AUTOTSLEEP;
435 ifmedia_init(&mii->mii_media, 0,
436 udav_ifmedia_change, udav_ifmedia_status);
437 mii_attach(self, mii, 0xffffffff, MII_PHY_ANY, MII_OFFSET_ANY, 0);
438 if (LIST_FIRST(&mii->mii_phys) == NULL) {
439 ifmedia_add(&mii->mii_media, IFM_ETHER | IFM_NONE, 0, NULL);
440 ifmedia_set(&mii->mii_media, IFM_ETHER | IFM_NONE);
441 } else
442 ifmedia_set(&mii->mii_media, IFM_ETHER | IFM_AUTO);
443
444 /* attach the interface */
445 if_attach(ifp);
446 Ether_ifattach(ifp, eaddr);
447 #elif defined(__FreeBSD__)
448 if (mii_phy_probe(self, &sc->sc_miibus,
449 udav_ifmedia_change, udav_ifmedia_status)) {
450 printf("%s: MII without any PHY!\n", USBDEVNAME(sc->sc_dev));
451 if_free(ifp);
452 UDAV_UNLOCK(sc);
453 mtx_destroy(&sc->sc_mtx);
454 USB_ATTACH_ERROR_RETURN;
455 }
456
457 sc->sc_qdat.ifp = ifp;
458 sc->sc_qdat.if_rxstart = udav_rxstart;
459
460 /*
461 * Call MI attach routine.
462 */
463
464 ether_ifattach(ifp, eaddr);
465 #endif
466
467 #if NRND > 0
468 rnd_attach_source(&sc->rnd_source, devname, RND_TYPE_NET, 0);
469 #endif
470
471 usb_callout_init(sc->sc_stat_ch);
472 #if defined(__FreeBSD__)
473 usb_register_netisr();
474 #endif
475 sc->sc_attached = 1;
476 #if defined(__NetBSD__)
477 splx(s);
478 #elif defined(__FreeBSD__)
479 UDAV_UNLOCK(sc);
480 #endif
481
482 usbd_add_drv_event(USB_EVENT_DRIVER_ATTACH, dev, USBDEV(sc->sc_dev));
483
484 USB_ATTACH_SUCCESS_RETURN;
485
486 bad:
487 sc->sc_dying = 1;
488 USB_ATTACH_ERROR_RETURN;
489 }
490
491 /* detach */
492 USB_DETACH(udav)
493 {
494 USB_DETACH_START(udav, sc);
495 struct ifnet *ifp = GET_IFP(sc);
496 #if defined(__NetBSD__)
497 int s;
498 #endif
499
500 DPRINTF(("%s: %s: enter\n", USBDEVNAME(sc->sc_dev), __func__));
501
502 /* Detached before attached finished */
503 if (!sc->sc_attached)
504 return (0);
505
506 UDAV_LOCK(sc);
507
508 usb_uncallout(sc->sc_stat_ch, udav_tick, sc);
509
510 /* Remove any pending tasks */
511 usb_rem_task(sc->sc_udev, &sc->sc_tick_task);
512 usb_rem_task(sc->sc_udev, &sc->sc_stop_task);
513
514 #if defined(__NetBSD__)
515 s = splusb();
516 #elif defined(__FreeBSD__)
517 UDAV_LOCK(sc);
518 #endif
519
520 if (--sc->sc_refcnt >= 0) {
521 /* Wait for processes to go away */
522 usb_detach_wait(USBDEV(sc->sc_dev));
523 }
524 #if defined(__FreeBSD__)
525 if (ifp->if_drv_flags & IFF_DRV_RUNNING)
526 #else
527 if (ifp->if_flags & IFF_RUNNING)
528 #endif
529 udav_stop(GET_IFP(sc), 1);
530
531 #if NRND > 0
532 rnd_detach_source(&sc->rnd_source);
533 #endif
534 #if defined(__NetBSD__)
535 mii_detach(&sc->sc_mii, MII_PHY_ANY, MII_OFFSET_ANY);
536 ifmedia_delete_instance(&sc->sc_mii.mii_media, IFM_INST_ANY);
537 #endif
538 ether_ifdetach(ifp);
539 #if defined(__NetBSD__)
540 if_detach(ifp);
541 #endif
542 #if defined(__FreeBSD__)
543 if_free(ifp);
544 #endif
545
546 #ifdef DIAGNOSTIC
547 if (sc->sc_pipe_tx != NULL)
548 printf("%s: detach has active tx endpoint.\n",
549 USBDEVNAME(sc->sc_dev));
550 if (sc->sc_pipe_rx != NULL)
551 printf("%s: detach has active rx endpoint.\n",
552 USBDEVNAME(sc->sc_dev));
553 if (sc->sc_pipe_intr != NULL)
554 printf("%s: detach has active intr endpoint.\n",
555 USBDEVNAME(sc->sc_dev));
556 #endif
557 sc->sc_attached = 0;
558
559 #if defined(__NetBSD__)
560 splx(s);
561 #elif defined(__FreeBSD__)
562 UDAV_UNLOCK(sc);
563 #endif
564
565 #if defined(__FreeBSD__)
566 mtx_destroy(&sc->sc_mtx);
567 #endif
568
569 usbd_add_drv_event(USB_EVENT_DRIVER_DETACH, sc->sc_udev,
570 USBDEV(sc->sc_dev));
571 return (0);
572 }
573
574 #if 0
575 /* read memory */
576 Static int
577 udav_mem_read(struct udav_softc *sc, int offset, void *buf, int len)
578 {
579 usb_device_request_t req;
580 usbd_status err;
581
582 if (sc == NULL)
583 return (0);
584
585 DPRINTFN(0x200,
586 ("%s: %s: enter\n", USBDEVNAME(sc->sc_dev), __func__));
587
588 if (sc->sc_dying)
589 return (0);
590
591 offset &= 0xffff;
592 len &= 0xff;
593
594 req.bmRequestType = UT_READ_VENDOR_DEVICE;
595 req.bRequest = UDAV_REQ_MEM_READ;
596 USETW(req.wValue, 0x0000);
597 USETW(req.wIndex, offset);
598 USETW(req.wLength, len);
599
600 sc->sc_refcnt++;
601 err = usbd_do_request(sc->sc_udev, &req, buf);
602 if (--sc->sc_refcnt < 0)
603 usb_detach_wakeup(USBDEV(sc->sc_dev));
604 if (err) {
605 DPRINTF(("%s: %s: read failed. off=%04x, err=%d\n",
606 USBDEVNAME(sc->sc_dev), __func__, offset, err));
607 }
608
609 return (err);
610 }
611
612 /* write memory */
613 Static int
614 udav_mem_write(struct udav_softc *sc, int offset, void *buf, int len)
615 {
616 usb_device_request_t req;
617 usbd_status err;
618
619 if (sc == NULL)
620 return (0);
621
622 DPRINTFN(0x200,
623 ("%s: %s: enter\n", USBDEVNAME(sc->sc_dev), __func__));
624
625 if (sc->sc_dying)
626 return (0);
627
628 offset &= 0xffff;
629 len &= 0xff;
630
631 req.bmRequestType = UT_WRITE_VENDOR_DEVICE;
632 req.bRequest = UDAV_REQ_MEM_WRITE;
633 USETW(req.wValue, 0x0000);
634 USETW(req.wIndex, offset);
635 USETW(req.wLength, len);
636
637 sc->sc_refcnt++;
638 err = usbd_do_request(sc->sc_udev, &req, buf);
639 if (--sc->sc_refcnt < 0)
640 usb_detach_wakeup(USBDEV(sc->sc_dev));
641 if (err) {
642 DPRINTF(("%s: %s: write failed. off=%04x, err=%d\n",
643 USBDEVNAME(sc->sc_dev), __func__, offset, err));
644 }
645
646 return (err);
647 }
648
649 /* write memory */
650 Static int
651 udav_mem_write1(struct udav_softc *sc, int offset, unsigned char ch)
652 {
653 usb_device_request_t req;
654 usbd_status err;
655
656 if (sc == NULL)
657 return (0);
658
659 DPRINTFN(0x200,
660 ("%s: %s: enter\n", USBDEVNAME(sc->sc_dev), __func__));
661
662 if (sc->sc_dying)
663 return (0);
664
665 offset &= 0xffff;
666
667 req.bmRequestType = UT_WRITE_VENDOR_DEVICE;
668 req.bRequest = UDAV_REQ_MEM_WRITE1;
669 USETW(req.wValue, ch);
670 USETW(req.wIndex, offset);
671 USETW(req.wLength, 0x0000);
672
673 sc->sc_refcnt++;
674 err = usbd_do_request(sc->sc_udev, &req, NULL);
675 if (--sc->sc_refcnt < 0)
676 usb_detach_wakeup(USBDEV(sc->sc_dev));
677 if (err) {
678 DPRINTF(("%s: %s: write failed. off=%04x, err=%d\n",
679 USBDEVNAME(sc->sc_dev), __func__, offset, err));
680 }
681
682 return (err);
683 }
684 #endif
685
686 /* read register(s) */
687 Static int
688 udav_csr_read(struct udav_softc *sc, int offset, void *buf, int len)
689 {
690 usb_device_request_t req;
691 usbd_status err;
692
693 if (sc == NULL)
694 return (0);
695
696 DPRINTFN(0x200,
697 ("%s: %s: enter\n", USBDEVNAME(sc->sc_dev), __func__));
698
699 if (sc->sc_dying)
700 return (0);
701
702 offset &= 0xff;
703 len &= 0xff;
704
705 req.bmRequestType = UT_READ_VENDOR_DEVICE;
706 req.bRequest = UDAV_REQ_REG_READ;
707 USETW(req.wValue, 0x0000);
708 USETW(req.wIndex, offset);
709 USETW(req.wLength, len);
710
711 sc->sc_refcnt++;
712 err = usbd_do_request(sc->sc_udev, &req, buf);
713 if (--sc->sc_refcnt < 0)
714 usb_detach_wakeup(USBDEV(sc->sc_dev));
715 if (err) {
716 DPRINTF(("%s: %s: read failed. off=%04x, err=%d\n",
717 USBDEVNAME(sc->sc_dev), __func__, offset, err));
718 }
719
720 return (err);
721 }
722
723 /* write register(s) */
724 Static int
725 udav_csr_write(struct udav_softc *sc, int offset, void *buf, int len)
726 {
727 usb_device_request_t req;
728 usbd_status err;
729
730 if (sc == NULL)
731 return (0);
732
733 DPRINTFN(0x200,
734 ("%s: %s: enter\n", USBDEVNAME(sc->sc_dev), __func__));
735
736 if (sc->sc_dying)
737 return (0);
738
739 offset &= 0xff;
740 len &= 0xff;
741
742 req.bmRequestType = UT_WRITE_VENDOR_DEVICE;
743 req.bRequest = UDAV_REQ_REG_WRITE;
744 USETW(req.wValue, 0x0000);
745 USETW(req.wIndex, offset);
746 USETW(req.wLength, len);
747
748 sc->sc_refcnt++;
749 err = usbd_do_request(sc->sc_udev, &req, buf);
750 if (--sc->sc_refcnt < 0)
751 usb_detach_wakeup(USBDEV(sc->sc_dev));
752 if (err) {
753 DPRINTF(("%s: %s: write failed. off=%04x, err=%d\n",
754 USBDEVNAME(sc->sc_dev), __func__, offset, err));
755 }
756
757 return (err);
758 }
759
760 Static int
761 udav_csr_read1(struct udav_softc *sc, int offset)
762 {
763 u_int8_t val = 0;
764
765 if (sc == NULL)
766 return (0);
767
768 DPRINTFN(0x200,
769 ("%s: %s: enter\n", USBDEVNAME(sc->sc_dev), __func__));
770
771 if (sc->sc_dying)
772 return (0);
773
774 return (udav_csr_read(sc, offset, &val, 1) ? 0 : val);
775 }
776
777 /* write a register */
778 Static int
779 udav_csr_write1(struct udav_softc *sc, int offset, unsigned char ch)
780 {
781 usb_device_request_t req;
782 usbd_status err;
783
784 if (sc == NULL)
785 return (0);
786
787 DPRINTFN(0x200,
788 ("%s: %s: enter\n", USBDEVNAME(sc->sc_dev), __func__));
789
790 if (sc->sc_dying)
791 return (0);
792
793 offset &= 0xff;
794
795 req.bmRequestType = UT_WRITE_VENDOR_DEVICE;
796 req.bRequest = UDAV_REQ_REG_WRITE1;
797 USETW(req.wValue, ch);
798 USETW(req.wIndex, offset);
799 USETW(req.wLength, 0x0000);
800
801 sc->sc_refcnt++;
802 err = usbd_do_request(sc->sc_udev, &req, NULL);
803 if (--sc->sc_refcnt < 0)
804 usb_detach_wakeup(USBDEV(sc->sc_dev));
805 if (err) {
806 DPRINTF(("%s: %s: write failed. off=%04x, err=%d\n",
807 USBDEVNAME(sc->sc_dev), __func__, offset, err));
808 }
809
810 return (err);
811 }
812
813 #if defined(__NetBSD__)
814 Static int
815 udav_init(struct ifnet *ifp)
816 #elif defined(__FreeBSD__)
817 Static void
818 udav_init(void *xsc)
819 #endif
820 {
821 #if defined(__NetBSD__)
822 struct udav_softc *sc = ifp->if_softc;
823 #elif defined(__FreeBSD__)
824 struct udav_softc *sc = (struct udav_softc *)xsc;
825 struct ifnet *ifp = GET_IFP(sc);
826 #endif
827 struct mii_data *mii = GET_MII(sc);
828 u_char *eaddr;
829 #if defined(__NetBSD__)
830 int s;
831 #endif
832
833 DPRINTF(("%s: %s: enter\n", USBDEVNAME(sc->sc_dev), __func__));
834
835 if (sc->sc_dying)
836 #if defined(__NetBSD__)
837 return (EIO);
838 #elif defined(__FreeBSD__)
839 return ;
840 #endif
841
842 #if defined(__NetBSD__)
843 s = splnet();
844 #elif defined(__FreeBSD__)
845 UDAV_LOCK(sc);
846 #endif
847
848 /* Cancel pending I/O and free all TX/RX buffers */
849 udav_stop(ifp, 1);
850
851 #if defined(__NetBSD__)
852 eaddr = LLADDR(ifp->if_sadl);
853 #elif defined(__FreeBSD__)
854 eaddr = IFP2ENADDR(ifp);
855 #endif
856 udav_csr_write(sc, UDAV_PAR, eaddr, ETHER_ADDR_LEN);
857
858 /* Initialize network control register */
859 /* Disable loopback */
860 UDAV_CLRBIT(sc, UDAV_NCR, UDAV_NCR_LBK0 | UDAV_NCR_LBK1);
861
862 /* Initialize RX control register */
863 UDAV_SETBIT(sc, UDAV_RCR, UDAV_RCR_DIS_LONG | UDAV_RCR_DIS_CRC);
864
865 /* If we want promiscuous mode, accept all physical frames. */
866 if (ifp->if_flags & IFF_PROMISC)
867 UDAV_SETBIT(sc, UDAV_RCR, UDAV_RCR_ALL|UDAV_RCR_PRMSC);
868 else
869 UDAV_CLRBIT(sc, UDAV_RCR, UDAV_RCR_ALL|UDAV_RCR_PRMSC);
870
871 /* Initialize transmit ring */
872 if (usb_ether_tx_list_init(sc, &sc->sc_cdata,
873 sc->sc_udev) == ENOBUFS) {
874 printf("%s: tx list init failed\n", USBDEVNAME(sc->sc_dev));
875 #if defined(__NetBSD__)
876 splx(s);
877 return (EIO);
878 #elif defined(__FreeBSD__)
879 UDAV_UNLOCK(sc);
880 return ;
881 #endif
882
883 }
884
885 /* Initialize receive ring */
886 if (usb_ether_rx_list_init(sc, &sc->sc_cdata,
887 sc->sc_udev) == ENOBUFS) {
888 printf("%s: rx list init failed\n", USBDEVNAME(sc->sc_dev));
889 #if defined(__NetBSD__)
890 splx(s);
891 return (EIO);
892 #elif defined(__FreeBSD__)
893 UDAV_UNLOCK(sc);
894 return ;
895 #endif
896 }
897
898 /* Load the multicast filter */
899 udav_setmulti(sc);
900
901 /* Enable RX */
902 UDAV_SETBIT(sc, UDAV_RCR, UDAV_RCR_RXEN);
903
904 /* clear POWER_DOWN state of internal PHY */
905 UDAV_SETBIT(sc, UDAV_GPCR, UDAV_GPCR_GEP_CNTL0);
906 UDAV_CLRBIT(sc, UDAV_GPR, UDAV_GPR_GEPIO0);
907
908 mii_mediachg(mii);
909
910 if (sc->sc_pipe_tx == NULL || sc->sc_pipe_rx == NULL) {
911 if (udav_openpipes(sc)) {
912 #if defined(__NetBSD__)
913 splx(s);
914 return (EIO);
915 #elif defined(__FreeBSD__)
916 UDAV_UNLOCK(sc);
917 return ;
918 #endif
919 }
920 }
921
922 #if defined(__FreeBSD__)
923 ifp->if_drv_flags |= IFF_DRV_RUNNING;
924 ifp->if_drv_flags &= ~IFF_DRV_OACTIVE;
925 #else
926 ifp->if_flags |= IFF_RUNNING;
927 ifp->if_flags &= ~IFF_OACTIVE;
928 #endif
929
930 #if defined(__NetBSD__)
931 splx(s);
932 #elif defined(__FreeBSD__)
933 UDAV_UNLOCK(sc);
934 #endif
935
936 usb_callout(sc->sc_stat_ch, hz, udav_tick, sc);
937
938 #if defined(__NetBSD__)
939 return (0);
940 #elif defined(__FreeBSD__)
941 return ;
942 #endif
943 }
944
945 Static void
946 udav_reset(struct udav_softc *sc)
947 {
948 int i;
949
950 DPRINTF(("%s: %s: enter\n", USBDEVNAME(sc->sc_dev), __func__));
951
952 if (sc->sc_dying)
953 return;
954
955 /* Select PHY */
956 #if 1
957 /*
958 * XXX: force select internal phy.
959 * external phy routines are not tested.
960 */
961 UDAV_CLRBIT(sc, UDAV_NCR, UDAV_NCR_EXT_PHY);
962 #else
963 if (sc->sc_flags & UDAV_EXT_PHY) {
964 UDAV_SETBIT(sc, UDAV_NCR, UDAV_NCR_EXT_PHY);
965 } else {
966 UDAV_CLRBIT(sc, UDAV_NCR, UDAV_NCR_EXT_PHY);
967 }
968 #endif
969
970 UDAV_SETBIT(sc, UDAV_NCR, UDAV_NCR_RST);
971
972 for (i = 0; i < UDAV_TX_TIMEOUT; i++) {
973 if (!(udav_csr_read1(sc, UDAV_NCR) & UDAV_NCR_RST))
974 break;
975 delay(10); /* XXX */
976 }
977 delay(10000); /* XXX */
978 }
979
980 #if defined(__NetBSD__) || defined(__OpenBSD__)
981 int
982 udav_activate(device_ptr_t self, enum devact act)
983 {
984 struct udav_softc *sc = (struct udav_softc *)self;
985
986 DPRINTF(("%s: %s: enter, act=%d\n", USBDEVNAME(sc->sc_dev),
987 __func__, act));
988 switch (act) {
989 case DVACT_ACTIVATE:
990 return (EOPNOTSUPP);
991 break;
992
993 case DVACT_DEACTIVATE:
994 if_deactivate(&sc->sc_ec.ec_if);
995 sc->sc_dying = 1;
996 break;
997 }
998 return (0);
999 }
1000 #endif
1001
1002 #define UDAV_BITS 6
1003
1004 #define UDAV_CALCHASH(addr) \
1005 (ether_crc32_le((addr), ETHER_ADDR_LEN) & ((1 << UDAV_BITS) - 1))
1006
1007 Static void
1008 udav_setmulti(struct udav_softc *sc)
1009 {
1010 struct ifnet *ifp;
1011 #if defined(__NetBSD__)
1012 struct ether_multi *enm;
1013 struct ether_multistep step;
1014 #elif defined(__FreeBSD__)
1015 struct ifmultiaddr *ifma;
1016 #endif
1017 u_int8_t hashes[8];
1018 int h = 0;
1019
1020 DPRINTF(("%s: %s: enter\n", USBDEVNAME(sc->sc_dev), __func__));
1021
1022 if (sc->sc_dying)
1023 return;
1024
1025 ifp = GET_IFP(sc);
1026
1027 if (ifp->if_flags & IFF_PROMISC) {
1028 UDAV_SETBIT(sc, UDAV_RCR, UDAV_RCR_ALL|UDAV_RCR_PRMSC);
1029 return;
1030 } else if (ifp->if_flags & IFF_ALLMULTI) {
1031 #if defined(__NetBSD__)
1032 allmulti:
1033 #endif
1034 ifp->if_flags |= IFF_ALLMULTI;
1035 UDAV_SETBIT(sc, UDAV_RCR, UDAV_RCR_ALL);
1036 UDAV_CLRBIT(sc, UDAV_RCR, UDAV_RCR_PRMSC);
1037 return;
1038 }
1039
1040 /* first, zot all the existing hash bits */
1041 memset(hashes, 0x00, sizeof(hashes));
1042 hashes[7] |= 0x80; /* broadcast address */
1043 udav_csr_write(sc, UDAV_MAR, hashes, sizeof(hashes));
1044
1045 /* now program new ones */
1046 #if defined(__NetBSD__)
1047 ETHER_FIRST_MULTI(step, &sc->sc_ec, enm);
1048 while (enm != NULL) {
1049 if (memcmp(enm->enm_addrlo, enm->enm_addrhi,
1050 ETHER_ADDR_LEN) != 0)
1051 goto allmulti;
1052
1053 h = UDAV_CALCHASH(enm->enm_addrlo);
1054 hashes[h>>3] |= 1 << (h & 0x7);
1055 ETHER_NEXT_MULTI(step, enm);
1056 }
1057 #elif defined(__FreeBSD__)
1058 IF_ADDR_LOCK(ifp);
1059 #if __FreeBSD_version >= 500000
1060 TAILQ_FOREACH(ifma, &ifp->if_multiaddrs, ifma_link)
1061 #else
1062 LIST_FOREACH(ifma, &ifp->if_multiaddrs, ifma_link)
1063 #endif
1064 {
1065 if (ifma->ifma_addr->sa_family != AF_LINK)
1066 continue;
1067 h = UDAV_CALCHASH(LLADDR((struct sockaddr_dl *)
1068 ifma->ifma_addr));
1069 hashes[h>>3] |= 1 << (h & 0x7);
1070 }
1071 IF_ADDR_UNLOCK(ifp);
1072 #endif
1073
1074 /* disable all multicast */
1075 ifp->if_flags &= ~IFF_ALLMULTI;
1076 UDAV_CLRBIT(sc, UDAV_RCR, UDAV_RCR_ALL);
1077
1078 /* write hash value to the register */
1079 udav_csr_write(sc, UDAV_MAR, hashes, sizeof(hashes));
1080 }
1081
1082 Static int
1083 udav_openpipes(struct udav_softc *sc)
1084 {
1085 struct ue_chain *c;
1086 usbd_status err;
1087 int i;
1088 int error = 0;
1089
1090 if (sc->sc_dying)
1091 return (EIO);
1092
1093 sc->sc_refcnt++;
1094
1095 /* Open RX pipe */
1096 err = usbd_open_pipe(sc->sc_ctl_iface, sc->sc_bulkin_no,
1097 USBD_EXCLUSIVE_USE, &sc->sc_pipe_rx);
1098 if (err) {
1099 printf("%s: open rx pipe failed: %s\n",
1100 USBDEVNAME(sc->sc_dev), usbd_errstr(err));
1101 error = EIO;
1102 goto done;
1103 }
1104
1105 /* Open TX pipe */
1106 err = usbd_open_pipe(sc->sc_ctl_iface, sc->sc_bulkout_no,
1107 USBD_EXCLUSIVE_USE, &sc->sc_pipe_tx);
1108 if (err) {
1109 printf("%s: open tx pipe failed: %s\n",
1110 USBDEVNAME(sc->sc_dev), usbd_errstr(err));
1111 error = EIO;
1112 goto done;
1113 }
1114
1115 #if 0
1116 /* XXX: interrupt endpoint is not yet supported */
1117 /* Open Interrupt pipe */
1118 err = usbd_open_pipe_intr(sc->sc_ctl_iface, sc->sc_intrin_no,
1119 USBD_EXCLUSIVE_USE, &sc->sc_pipe_intr, sc,
1120 &sc->sc_cdata.ue_ibuf, UDAV_INTR_PKGLEN,
1121 udav_intr, UDAV_INTR_INTERVAL);
1122 if (err) {
1123 printf("%s: open intr pipe failed: %s\n",
1124 USBDEVNAME(sc->sc_dev), usbd_errstr(err));
1125 error = EIO;
1126 goto done;
1127 }
1128 #endif
1129
1130
1131 /* Start up the receive pipe. */
1132 for (i = 0; i < UE_RX_LIST_CNT; i++) {
1133 c = &sc->sc_cdata.ue_rx_chain[i];
1134 usbd_setup_xfer(c->ue_xfer, sc->sc_pipe_rx,
1135 c, c->ue_buf, UE_BUFSZ,
1136 USBD_SHORT_XFER_OK | USBD_NO_COPY,
1137 USBD_NO_TIMEOUT, udav_rxeof);
1138 (void)usbd_transfer(c->ue_xfer);
1139 DPRINTF(("%s: %s: start read\n", USBDEVNAME(sc->sc_dev),
1140 __func__));
1141 }
1142
1143 done:
1144 if (--sc->sc_refcnt < 0)
1145 usb_detach_wakeup(USBDEV(sc->sc_dev));
1146
1147 return (error);
1148 }
1149
1150 Static void
1151 udav_start(struct ifnet *ifp)
1152 {
1153 struct udav_softc *sc = ifp->if_softc;
1154 struct mbuf *m_head = NULL;
1155
1156 DPRINTF(("%s: %s: enter, link=%d\n", USBDEVNAME(sc->sc_dev),
1157 __func__, sc->sc_link));
1158
1159 if (sc->sc_dying)
1160 return;
1161
1162 if (!sc->sc_link)
1163 return;
1164
1165 #if defined(__FreeBSD__)
1166 if (ifp->if_drv_flags & IFF_DRV_OACTIVE)
1167 #else
1168 if (ifp->if_flags & IFF_OACTIVE)
1169 #endif
1170 return;
1171 #if defined(__NetBSD__)
1172 IFQ_POLL(&ifp->if_snd, m_head);
1173 #elif defined(__FreeBSD__)
1174 IF_DEQUEUE(&ifp->if_snd, m_head);
1175 #endif
1176 if (m_head == NULL)
1177 return;
1178
1179 if (udav_send(sc, m_head, 0)) {
1180 #if defined(__FreeBSD__)
1181 IF_PREPEND(&ifp->if_snd, m_head);
1182 ifp->if_drv_flags |= IFF_DRV_OACTIVE;
1183 #else
1184 ifp->if_flags |= IFF_OACTIVE;
1185 #endif
1186 return;
1187 }
1188
1189 #if defined(__NetBSD__)
1190 IFQ_DEQUEUE(&ifp->if_snd, m_head);
1191 #endif
1192
1193 #if NBPFILTER > 0
1194 BPF_MTAP(ifp, m_head);
1195 #endif
1196
1197 #if defined(__FreeBSD__)
1198 ifp->if_drv_flags |= IFF_DRV_OACTIVE;
1199 #else
1200 ifp->if_flags |= IFF_OACTIVE;
1201 #endif
1202
1203 /* Set a timeout in case the chip goes out to lunch. */
1204 ifp->if_timer = 5;
1205 }
1206
1207 Static int
1208 udav_send(struct udav_softc *sc, struct mbuf *m, int idx)
1209 {
1210 int total_len;
1211 struct ue_chain *c;
1212 usbd_status err;
1213
1214 DPRINTF(("%s: %s: enter\n", USBDEVNAME(sc->sc_dev),__func__));
1215
1216 c = &sc->sc_cdata.ue_tx_chain[idx];
1217
1218 /* Copy the mbuf data into a contiguous buffer */
1219 /* first 2 bytes are packet length */
1220 m_copydata(m, 0, m->m_pkthdr.len, c->ue_buf + 2);
1221 c->ue_mbuf = m;
1222 total_len = m->m_pkthdr.len;
1223 if (total_len < UDAV_MIN_FRAME_LEN) {
1224 memset(c->ue_buf + 2 + total_len, 0,
1225 UDAV_MIN_FRAME_LEN - total_len);
1226 total_len = UDAV_MIN_FRAME_LEN;
1227 }
1228
1229 /* Frame length is specified in the first 2bytes of the buffer */
1230 c->ue_buf[0] = (u_int8_t)total_len;
1231 c->ue_buf[1] = (u_int8_t)(total_len >> 8);
1232 total_len += 2;
1233
1234 usbd_setup_xfer(c->ue_xfer, sc->sc_pipe_tx, c, c->ue_buf, total_len,
1235 USBD_FORCE_SHORT_XFER | USBD_NO_COPY,
1236 UDAV_TX_TIMEOUT, udav_txeof);
1237
1238 /* Transmit */
1239 sc->sc_refcnt++;
1240 err = usbd_transfer(c->ue_xfer);
1241 if (--sc->sc_refcnt < 0)
1242 usb_detach_wakeup(USBDEV(sc->sc_dev));
1243 if (err != USBD_IN_PROGRESS) {
1244 printf("%s: udav_send error=%s\n", USBDEVNAME(sc->sc_dev),
1245 usbd_errstr(err));
1246 /* Stop the interface */
1247 usb_add_task(sc->sc_udev, &sc->sc_stop_task);
1248 return (EIO);
1249 }
1250
1251 DPRINTF(("%s: %s: send %d bytes\n", USBDEVNAME(sc->sc_dev),
1252 __func__, total_len));
1253
1254 sc->sc_cdata.ue_tx_cnt++;
1255
1256 return (0);
1257 }
1258
1259 Static void
1260 udav_txeof(usbd_xfer_handle xfer, usbd_private_handle priv, usbd_status status)
1261 {
1262 struct ue_chain *c = priv;
1263 struct udav_softc *sc = c->ue_sc;
1264 struct ifnet *ifp = GET_IFP(sc);
1265 #if defined(__NetBSD__)
1266 int s;
1267 #endif
1268
1269 if (sc->sc_dying)
1270 return;
1271
1272 #if defined(__NetBSD__)
1273 s = splnet();
1274 #elif defined(__FreeBSD__)
1275 UDAV_LOCK(sc);
1276 #endif
1277
1278 DPRINTF(("%s: %s: enter\n", USBDEVNAME(sc->sc_dev), __func__));
1279
1280 ifp->if_timer = 0;
1281 #if defined(__FreeBSD__)
1282 ifp->if_drv_flags &= ~IFF_DRV_OACTIVE;
1283 #else
1284 ifp->if_flags &= ~IFF_OACTIVE;
1285 #endif
1286
1287 if (status != USBD_NORMAL_COMPLETION) {
1288 if (status == USBD_NOT_STARTED || status == USBD_CANCELLED) {
1289 #if defined(__NetBSD__)
1290 splx(s);
1291 #elif defined(__FreeBSD__)
1292 UDAV_UNLOCK(sc);
1293 #endif
1294 return;
1295 }
1296 ifp->if_oerrors++;
1297 printf("%s: usb error on tx: %s\n", USBDEVNAME(sc->sc_dev),
1298 usbd_errstr(status));
1299 if (status == USBD_STALLED) {
1300 sc->sc_refcnt++;
1301 usbd_clear_endpoint_stall(sc->sc_pipe_tx);
1302 if (--sc->sc_refcnt < 0)
1303 usb_detach_wakeup(USBDEV(sc->sc_dev));
1304 }
1305 #if defined(__NetBSD__)
1306 splx(s);
1307 #elif defined(__FreeBSD__)
1308 UDAV_UNLOCK(sc);
1309 #endif
1310 return;
1311 }
1312
1313 ifp->if_opackets++;
1314
1315 m_freem(c->ue_mbuf);
1316 c->ue_mbuf = NULL;
1317
1318 #if defined(__NetBSD__)
1319 if (IFQ_IS_EMPTY(&ifp->if_snd) == 0)
1320 #elif defined(__FreeBSD__)
1321 if ( ifp->if_snd.ifq_head != NULL )
1322 #endif
1323 udav_start(ifp);
1324
1325 #if defined(__NetBSD__)
1326 splx(s);
1327 #elif defined(__FreeBSD__)
1328 UDAV_UNLOCK(sc);
1329 #endif
1330 }
1331
1332 Static void
1333 udav_rxeof(usbd_xfer_handle xfer, usbd_private_handle priv, usbd_status status)
1334 {
1335 struct ue_chain *c = priv;
1336 struct udav_softc *sc = c->ue_sc;
1337 struct ifnet *ifp = GET_IFP(sc);
1338 struct mbuf *m;
1339 u_int32_t total_len;
1340 u_int8_t *pktstat;
1341 #if defined(__NetBSD__)
1342 int s;
1343 #endif
1344
1345 DPRINTF(("%s: %s: enter\n", USBDEVNAME(sc->sc_dev),__func__));
1346
1347 if (sc->sc_dying)
1348 return;
1349
1350 if (status != USBD_NORMAL_COMPLETION) {
1351 if (status == USBD_NOT_STARTED || status == USBD_CANCELLED)
1352 return;
1353 sc->sc_rx_errs++;
1354 if (usbd_ratecheck(&sc->sc_rx_notice)) {
1355 printf("%s: %u usb errors on rx: %s\n",
1356 USBDEVNAME(sc->sc_dev), sc->sc_rx_errs,
1357 usbd_errstr(status));
1358 sc->sc_rx_errs = 0;
1359 }
1360 if (status == USBD_STALLED) {
1361 sc->sc_refcnt++;
1362 usbd_clear_endpoint_stall(sc->sc_pipe_rx);
1363 if (--sc->sc_refcnt < 0)
1364 usb_detach_wakeup(USBDEV(sc->sc_dev));
1365 }
1366 goto done;
1367 }
1368
1369 usbd_get_xfer_status(xfer, NULL, NULL, &total_len, NULL);
1370
1371 /* copy data to mbuf */
1372 m = c->ue_mbuf;
1373 memcpy(mtod(m, char *), c->ue_buf, total_len);
1374
1375 /* first byte in received data */
1376 pktstat = mtod(m, u_int8_t *);
1377 m_adj(m, sizeof(u_int8_t));
1378 DPRINTF(("%s: RX Status: 0x%02x\n", USBDEVNAME(sc->sc_dev), *pktstat));
1379
1380 total_len = UGETW(mtod(m, u_int8_t *));
1381 m_adj(m, sizeof(u_int16_t));
1382
1383 if (*pktstat & UDAV_RSR_LCS) {
1384 ifp->if_collisions++;
1385 goto done;
1386 }
1387
1388 if (total_len < sizeof(struct ether_header) ||
1389 *pktstat & UDAV_RSR_ERR) {
1390 ifp->if_ierrors++;
1391 goto done;
1392 }
1393
1394 ifp->if_ipackets++;
1395 total_len -= ETHER_CRC_LEN;
1396
1397 m->m_pkthdr.len = m->m_len = total_len;
1398 #if defined(__NetBSD__)
1399 m->m_pkthdr.rcvif = ifp;
1400 #elif defined(__FreeBSD__)
1401 m->m_pkthdr.rcvif = (struct ifnet *)&sc->sc_qdat;
1402 #endif
1403
1404 #if defined(__NetBSD__)
1405 s = splnet();
1406 #elif defined(__FreeBSD__)
1407 UDAV_LOCK(sc);
1408 #endif
1409
1410 #if defined(__NetBSD__)
1411 c->ue_mbuf = usb_ether_newbuf();
1412 if (c->ue_mbuf == NULL) {
1413 printf("%s: no memory for rx list "
1414 "-- packet dropped!\n", USBDEVNAME(sc->sc_dev));
1415 ifp->if_ierrors++;
1416 goto done1;
1417 }
1418 #endif
1419
1420 #if NBPFILTER > 0
1421 BPF_MTAP(ifp, m);
1422 #endif
1423
1424 DPRINTF(("%s: %s: deliver %d\n", USBDEVNAME(sc->sc_dev),
1425 __func__, m->m_len));
1426 #if defined(__NetBSD__)
1427 IF_INPUT(ifp, m);
1428 #endif
1429 #if defined(__FreeBSD__)
1430 usb_ether_input(m);
1431 UDAV_UNLOCK(sc);
1432 return ;
1433 #endif
1434
1435 #if defined(__NetBSD__)
1436 done1:
1437 splx(s);
1438 #elif defined(__FreeBSD__)
1439 UDAV_UNLOCK(sc);
1440 #endif
1441 done:
1442 /* Setup new transfer */
1443 usbd_setup_xfer(xfer, sc->sc_pipe_rx, c, c->ue_buf, UE_BUFSZ,
1444 USBD_SHORT_XFER_OK | USBD_NO_COPY,
1445 USBD_NO_TIMEOUT, udav_rxeof);
1446 sc->sc_refcnt++;
1447 usbd_transfer(xfer);
1448 if (--sc->sc_refcnt < 0)
1449 usb_detach_wakeup(USBDEV(sc->sc_dev));
1450
1451 DPRINTF(("%s: %s: start rx\n", USBDEVNAME(sc->sc_dev), __func__));
1452 }
1453
1454 #if 0
1455 Static void udav_intr()
1456 {
1457 }
1458 #endif
1459
1460 Static int
1461 udav_ioctl(struct ifnet *ifp, u_long cmd, caddr_t data)
1462 {
1463 struct udav_softc *sc = ifp->if_softc;
1464 struct ifreq *ifr = (struct ifreq *)data;
1465 struct mii_data *mii;
1466 #if defined(__NetBSD__)
1467 int s;
1468 #endif
1469 int error = 0;
1470
1471 DPRINTF(("%s: %s: enter\n", USBDEVNAME(sc->sc_dev), __func__));
1472
1473 if (sc->sc_dying)
1474 return (EIO);
1475
1476 #if defined(__NetBSD__)
1477 s = splnet();
1478 #elif defined(__FreeBSD__)
1479 UDAV_LOCK(sc);
1480 #endif
1481
1482 switch (cmd) {
1483 #if defined(__FreeBSD__)
1484 case SIOCSIFFLAGS:
1485 if (ifp->if_flags & IFF_UP) {
1486 if (ifp->if_drv_flags & IFF_DRV_RUNNING &&
1487 ifp->if_flags & IFF_PROMISC) {
1488 UDAV_SETBIT(sc, UDAV_RCR,
1489 UDAV_RCR_ALL|UDAV_RCR_PRMSC);
1490 } else if (ifp->if_drv_flags & IFF_DRV_RUNNING &&
1491 !(ifp->if_flags & IFF_PROMISC)) {
1492 if (ifp->if_flags & IFF_ALLMULTI)
1493 UDAV_CLRBIT(sc, UDAV_RCR,
1494 UDAV_RCR_PRMSC);
1495 else
1496 UDAV_CLRBIT(sc, UDAV_RCR,
1497 UDAV_RCR_ALL|UDAV_RCR_PRMSC);
1498 } else if (!(ifp->if_drv_flags & IFF_DRV_RUNNING))
1499 udav_init(sc);
1500 } else {
1501 if (ifp->if_drv_flags & IFF_DRV_RUNNING)
1502 udav_stop(ifp, 1);
1503 }
1504 error = 0;
1505 break;
1506 case SIOCADDMULTI:
1507 case SIOCDELMULTI:
1508 udav_setmulti(sc);
1509 error = 0;
1510 break;
1511 #endif
1512 case SIOCGIFMEDIA:
1513 case SIOCSIFMEDIA:
1514 mii = GET_MII(sc);
1515 error = ifmedia_ioctl(ifp, ifr, &mii->mii_media, cmd);
1516 break;
1517
1518 default:
1519 error = ether_ioctl(ifp, cmd, data);
1520 #if defined(__NetBSD__)
1521 if (error == ENETRESET) {
1522 udav_setmulti(sc);
1523 error = 0;
1524 }
1525 #endif
1526 break;
1527 }
1528
1529 #if defined(__NetBSD__)
1530 splx(s);
1531 #elif defined(__FreeBSD__)
1532 UDAV_UNLOCK(sc);
1533 #endif
1534
1535 return (error);
1536 }
1537
1538 Static void
1539 udav_watchdog(struct ifnet *ifp)
1540 {
1541 struct udav_softc *sc = ifp->if_softc;
1542 struct ue_chain *c;
1543 usbd_status stat;
1544 #if defined(__NetBSD__)
1545 int s;
1546 #endif
1547
1548 DPRINTF(("%s: %s: enter\n", USBDEVNAME(sc->sc_dev), __func__));
1549
1550 ifp->if_oerrors++;
1551 printf("%s: watchdog timeout\n", USBDEVNAME(sc->sc_dev));
1552
1553 #if defined(__NetBSD__)
1554 s = splusb();
1555 #elif defined(__FreeBSD__)
1556 UDAV_LOCK(sc)
1557 #endif
1558 c = &sc->sc_cdata.ue_tx_chain[0];
1559 usbd_get_xfer_status(c->ue_xfer, NULL, NULL, NULL, &stat);
1560 udav_txeof(c->ue_xfer, c, stat);
1561
1562 #if defined(__NetBSD__)
1563 if (IFQ_IS_EMPTY(&ifp->if_snd) == 0)
1564 #elif defined(__FreeBSD__)
1565 if ( ifp->if_snd.ifq_head != NULL )
1566 #endif
1567 udav_start(ifp);
1568 #if defined(__NetBSD__)
1569 splx(s);
1570 #elif defined(__FreeBSD__)
1571 UDAV_UNLOCK(sc);
1572 #endif
1573 }
1574
1575 Static void
1576 udav_stop_task(struct udav_softc *sc)
1577 {
1578 udav_stop(GET_IFP(sc), 1);
1579 }
1580
1581 /* Stop the adapter and free any mbufs allocated to the RX and TX lists. */
1582 Static void
1583 udav_stop(struct ifnet *ifp, int disable)
1584 {
1585 struct udav_softc *sc = ifp->if_softc;
1586 usbd_status err;
1587
1588 DPRINTF(("%s: %s: enter\n", USBDEVNAME(sc->sc_dev), __func__));
1589
1590 ifp->if_timer = 0;
1591
1592 udav_reset(sc);
1593
1594 usb_uncallout(sc->sc_stat_ch, udav_tick, sc);
1595
1596 /* Stop transfers */
1597 /* RX endpoint */
1598 if (sc->sc_pipe_rx != NULL) {
1599 err = usbd_abort_pipe(sc->sc_pipe_rx);
1600 if (err)
1601 printf("%s: abort rx pipe failed: %s\n",
1602 USBDEVNAME(sc->sc_dev), usbd_errstr(err));
1603 err = usbd_close_pipe(sc->sc_pipe_rx);
1604 if (err)
1605 printf("%s: close rx pipe failed: %s\n",
1606 USBDEVNAME(sc->sc_dev), usbd_errstr(err));
1607 sc->sc_pipe_rx = NULL;
1608 }
1609
1610 /* TX endpoint */
1611 if (sc->sc_pipe_tx != NULL) {
1612 err = usbd_abort_pipe(sc->sc_pipe_tx);
1613 if (err)
1614 printf("%s: abort tx pipe failed: %s\n",
1615 USBDEVNAME(sc->sc_dev), usbd_errstr(err));
1616 err = usbd_close_pipe(sc->sc_pipe_tx);
1617 if (err)
1618 printf("%s: close tx pipe failed: %s\n",
1619 USBDEVNAME(sc->sc_dev), usbd_errstr(err));
1620 sc->sc_pipe_tx = NULL;
1621 }
1622
1623 #if 0
1624 /* XXX: Interrupt endpoint is not yet supported!! */
1625 /* Interrupt endpoint */
1626 if (sc->sc_pipe_intr != NULL) {
1627 err = usbd_abort_pipe(sc->sc_pipe_intr);
1628 if (err)
1629 printf("%s: abort intr pipe failed: %s\n",
1630 USBDEVNAME(sc->sc_dev), usbd_errstr(err));
1631 err = usbd_close_pipe(sc->sc_pipe_intr);
1632 if (err)
1633 printf("%s: close intr pipe failed: %s\n",
1634 USBDEVNAME(sc->sc_dev), usbd_errstr(err));
1635 sc->sc_pipe_intr = NULL;
1636 }
1637 #endif
1638
1639 /* Free RX resources. */
1640 usb_ether_rx_list_free(&sc->sc_cdata);
1641 /* Free TX resources. */
1642 usb_ether_tx_list_free(&sc->sc_cdata);
1643
1644 sc->sc_link = 0;
1645 #if defined(__FreeBSD__)
1646 ifp->if_drv_flags &= ~(IFF_DRV_RUNNING | IFF_DRV_OACTIVE);
1647 #else
1648 ifp->if_flags &= ~(IFF_RUNNING | IFF_OACTIVE);
1649 #endif
1650 }
1651
1652 /* Set media options */
1653 Static int
1654 udav_ifmedia_change(struct ifnet *ifp)
1655 {
1656 struct udav_softc *sc = ifp->if_softc;
1657 struct mii_data *mii = GET_MII(sc);
1658
1659 DPRINTF(("%s: %s: enter\n", USBDEVNAME(sc->sc_dev), __func__));
1660
1661 if (sc->sc_dying)
1662 return (0);
1663
1664 sc->sc_link = 0;
1665 if (mii->mii_instance) {
1666 struct mii_softc *miisc;
1667 for (miisc = LIST_FIRST(&mii->mii_phys); miisc != NULL;
1668 miisc = LIST_NEXT(miisc, mii_list))
1669 mii_phy_reset(miisc);
1670 }
1671
1672 return (mii_mediachg(mii));
1673 }
1674
1675 /* Report current media status. */
1676 Static void
1677 udav_ifmedia_status(struct ifnet *ifp, struct ifmediareq *ifmr)
1678 {
1679 struct udav_softc *sc = ifp->if_softc;
1680 struct mii_data *mii = GET_MII(sc);
1681
1682 DPRINTF(("%s: %s: enter\n", USBDEVNAME(sc->sc_dev), __func__));
1683
1684 if (sc->sc_dying)
1685 return;
1686
1687 #if defined(__FreeBSD__)
1688 if ((ifp->if_drv_flags & IFF_DRV_RUNNING) == 0) {
1689 #else
1690 if ((ifp->if_flags & IFF_RUNNING) == 0) {
1691 #endif
1692 ifmr->ifm_active = IFM_ETHER | IFM_NONE;
1693 ifmr->ifm_status = 0;
1694 return;
1695 }
1696
1697 mii_pollstat(mii);
1698 ifmr->ifm_active = mii->mii_media_active;
1699 ifmr->ifm_status = mii->mii_media_status;
1700 }
1701
1702 Static void
1703 udav_tick(void *xsc)
1704 {
1705 struct udav_softc *sc = xsc;
1706
1707 if (sc == NULL)
1708 return;
1709
1710 DPRINTFN(0xff, ("%s: %s: enter\n", USBDEVNAME(sc->sc_dev),
1711 __func__));
1712
1713 if (sc->sc_dying)
1714 return;
1715
1716 /* Perform periodic stuff in process context */
1717 usb_add_task(sc->sc_udev, &sc->sc_tick_task);
1718 }
1719
1720 Static void
1721 udav_tick_task(void *xsc)
1722 {
1723 struct udav_softc *sc = xsc;
1724 struct ifnet *ifp;
1725 struct mii_data *mii;
1726 #if defined(__NetBSD__)
1727 int s;
1728 #endif
1729
1730 if (sc == NULL)
1731 return;
1732
1733 DPRINTFN(0xff, ("%s: %s: enter\n", USBDEVNAME(sc->sc_dev),
1734 __func__));
1735
1736 if (sc->sc_dying)
1737 return;
1738
1739 ifp = GET_IFP(sc);
1740 mii = GET_MII(sc);
1741
1742 if (mii == NULL)
1743 return;
1744
1745 #if defined(__NetBSD__)
1746 s = splnet();
1747 #elif defined(__FreeBSD__)
1748 UDAV_LOCK(sc);
1749 #endif
1750
1751 mii_tick(mii);
1752 if (!sc->sc_link) {
1753 mii_pollstat(mii);
1754 if (mii->mii_media_status & IFM_ACTIVE &&
1755 IFM_SUBTYPE(mii->mii_media_active) != IFM_NONE) {
1756 DPRINTF(("%s: %s: got link\n",
1757 USBDEVNAME(sc->sc_dev), __func__));
1758 sc->sc_link++;
1759 #if defined(__NetBSD__)
1760 if (IFQ_IS_EMPTY(&ifp->if_snd) == 0)
1761 #elif defined(__FreeBSD__)
1762 if ( ifp->if_snd.ifq_head != NULL )
1763 #endif
1764 udav_start(ifp);
1765 }
1766 }
1767
1768 usb_callout(sc->sc_stat_ch, hz, udav_tick, sc);
1769
1770 #if defined(__NetBSD__)
1771 splx(s);
1772 #elif defined(__FreeBSD__)
1773 UDAV_UNLOCK(sc);
1774 #endif
1775 }
1776
1777 /* Get exclusive access to the MII registers */
1778 Static void
1779 udav_lock_mii(struct udav_softc *sc)
1780 {
1781 DPRINTFN(0xff, ("%s: %s: enter\n", USBDEVNAME(sc->sc_dev),
1782 __func__));
1783
1784 sc->sc_refcnt++;
1785 #if defined(__NetBSD__)
1786 lockmgr(&sc->sc_mii_lock, LK_EXCLUSIVE, NULL);
1787 #elif defined(__FreeBSD__)
1788 lockmgr(&sc->sc_mii_lock, LK_EXCLUSIVE, NULL, NULL);
1789 #endif
1790 }
1791
1792 Static void
1793 udav_unlock_mii(struct udav_softc *sc)
1794 {
1795 DPRINTFN(0xff, ("%s: %s: enter\n", USBDEVNAME(sc->sc_dev),
1796 __func__));
1797
1798 #if defined(__NetBSD__)
1799 lockmgr(&sc->sc_mii_lock, LK_RELEASE, NULL);
1800 #elif defined(__FreeBSD__)
1801 lockmgr(&sc->sc_mii_lock, LK_RELEASE, NULL, NULL);
1802 #endif
1803 if (--sc->sc_refcnt < 0)
1804 usb_detach_wakeup(USBDEV(sc->sc_dev));
1805 }
1806
1807 Static int
1808 udav_miibus_readreg(device_ptr_t dev, int phy, int reg)
1809 {
1810 struct udav_softc *sc;
1811 u_int8_t val[2];
1812 u_int16_t data16;
1813
1814 if (dev == NULL)
1815 return (0);
1816
1817 sc = USBGETSOFTC(dev);
1818
1819 DPRINTFN(0xff, ("%s: %s: enter, phy=%d reg=0x%04x\n",
1820 USBDEVNAME(sc->sc_dev), __func__, phy, reg));
1821
1822 if (sc->sc_dying) {
1823 #ifdef DIAGNOSTIC
1824 printf("%s: %s: dying\n", USBDEVNAME(sc->sc_dev),
1825 __func__);
1826 #endif
1827 return (0);
1828 }
1829
1830 /* XXX: one PHY only for the internal PHY */
1831 if (phy != 0) {
1832 DPRINTFN(0xff, ("%s: %s: phy=%d is not supported\n",
1833 USBDEVNAME(sc->sc_dev), __func__, phy));
1834 return (0);
1835 }
1836
1837 udav_lock_mii(sc);
1838
1839 /* select internal PHY and set PHY register address */
1840 udav_csr_write1(sc, UDAV_EPAR,
1841 UDAV_EPAR_PHY_ADR0 | (reg & UDAV_EPAR_EROA_MASK));
1842
1843 /* select PHY operation and start read command */
1844 udav_csr_write1(sc, UDAV_EPCR, UDAV_EPCR_EPOS | UDAV_EPCR_ERPRR);
1845
1846 /* XXX: should be wait? */
1847
1848 /* end read command */
1849 UDAV_CLRBIT(sc, UDAV_EPCR, UDAV_EPCR_ERPRR);
1850
1851 /* retrieve the result from data registers */
1852 udav_csr_read(sc, UDAV_EPDRL, val, 2);
1853
1854 udav_unlock_mii(sc);
1855
1856 data16 = val[0] | (val[1] << 8);
1857
1858 DPRINTFN(0xff, ("%s: %s: phy=%d reg=0x%04x => 0x%04x\n",
1859 USBDEVNAME(sc->sc_dev), __func__, phy, reg, data16));
1860
1861 return (data16);
1862 }
1863
1864 Static void
1865 udav_miibus_writereg(device_ptr_t dev, int phy, int reg, int data)
1866 {
1867 struct udav_softc *sc;
1868 u_int8_t val[2];
1869
1870 if (dev == NULL)
1871 return;
1872
1873 sc = USBGETSOFTC(dev);
1874
1875 DPRINTFN(0xff, ("%s: %s: enter, phy=%d reg=0x%04x data=0x%04x\n",
1876 USBDEVNAME(sc->sc_dev), __func__, phy, reg, data));
1877
1878 if (sc->sc_dying) {
1879 #ifdef DIAGNOSTIC
1880 printf("%s: %s: dying\n", USBDEVNAME(sc->sc_dev),
1881 __func__);
1882 #endif
1883 return;
1884 }
1885
1886 /* XXX: one PHY only for the internal PHY */
1887 if (phy != 0) {
1888 DPRINTFN(0xff, ("%s: %s: phy=%d is not supported\n",
1889 USBDEVNAME(sc->sc_dev), __func__, phy));
1890 return;
1891 }
1892
1893 udav_lock_mii(sc);
1894
1895 /* select internal PHY and set PHY register address */
1896 udav_csr_write1(sc, UDAV_EPAR,
1897 UDAV_EPAR_PHY_ADR0 | (reg & UDAV_EPAR_EROA_MASK));
1898
1899 /* put the value to the data registers */
1900 val[0] = data & 0xff;
1901 val[1] = (data >> 8) & 0xff;
1902 udav_csr_write(sc, UDAV_EPDRL, val, 2);
1903
1904 /* select PHY operation and start write command */
1905 udav_csr_write1(sc, UDAV_EPCR, UDAV_EPCR_EPOS | UDAV_EPCR_ERPRW);
1906
1907 /* XXX: should be wait? */
1908
1909 /* end write command */
1910 UDAV_CLRBIT(sc, UDAV_EPCR, UDAV_EPCR_ERPRW);
1911
1912 udav_unlock_mii(sc);
1913
1914 return;
1915 }
1916
1917 Static void
1918 udav_miibus_statchg(device_ptr_t dev)
1919 {
1920 #ifdef UDAV_DEBUG
1921 struct udav_softc *sc;
1922
1923 if (dev == NULL)
1924 return;
1925
1926 sc = USBGETSOFTC(dev);
1927 DPRINTF(("%s: %s: enter\n", USBDEVNAME(sc->sc_dev), __func__));
1928 #endif
1929 /* Nothing to do */
1930 }
1931
1932 #if defined(__FreeBSD__)
1933 /*
1934 * Stop all chip I/O so that the kernel's probe routines don't
1935 * get confused by errant DMAs when rebooting.
1936 */
1937 Static void
1938 udav_shutdown(device_ptr_t dev)
1939 {
1940 struct udav_softc *sc;
1941
1942 sc = device_get_softc(dev);
1943
1944 udav_stop_task(sc);
1945
1946 return;
1947 }
1948
1949 Static void
1950 udav_rxstart(struct ifnet *ifp)
1951 {
1952 struct udav_softc *sc;
1953 struct ue_chain *c;
1954
1955 sc = ifp->if_softc;
1956 UDAV_LOCK(sc);
1957 c = &sc->sc_cdata.ue_rx_chain[sc->sc_cdata.ue_rx_prod];
1958
1959 c->ue_mbuf = usb_ether_newbuf();
1960 if (c->ue_mbuf == NULL) {
1961 printf("%s: no memory for rx list "
1962 "-- packet dropped!\n", USBDEVNAME(sc->sc_dev));
1963 ifp->if_ierrors++;
1964 UDAV_UNLOCK(sc);
1965 return;
1966 }
1967
1968 /* Setup new transfer. */
1969 usbd_setup_xfer(c->ue_xfer, sc->sc_pipe_rx,
1970 c, c->ue_buf, UE_BUFSZ,
1971 USBD_SHORT_XFER_OK | USBD_NO_COPY,
1972 USBD_NO_TIMEOUT, udav_rxeof);
1973 usbd_transfer(c->ue_xfer);
1974
1975 UDAV_UNLOCK(sc);
1976 return;
1977 }
1978 #endif
Cache object: 796d8dd291b50f1b3a68f9ed67a85b49
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