if_aue.c revision 1.105.2.1 1 /* $NetBSD: if_aue.c,v 1.105.2.1 2007/12/08 17:57:32 ad Exp $ */
2 /*
3 * Copyright (c) 1997, 1998, 1999, 2000
4 * Bill Paul <wpaul (at) ee.columbia.edu>. All rights reserved.
5 *
6 * Redistribution and use in source and binary forms, with or without
7 * modification, are permitted provided that the following conditions
8 * are met:
9 * 1. Redistributions of source code must retain the above copyright
10 * notice, this list of conditions and the following disclaimer.
11 * 2. Redistributions in binary form must reproduce the above copyright
12 * notice, this list of conditions and the following disclaimer in the
13 * documentation and/or other materials provided with the distribution.
14 * 3. All advertising materials mentioning features or use of this software
15 * must display the following acknowledgement:
16 * This product includes software developed by Bill Paul.
17 * 4. Neither the name of the author nor the names of any co-contributors
18 * may be used to endorse or promote products derived from this software
19 * without specific prior written permission.
20 *
21 * THIS SOFTWARE IS PROVIDED BY Bill Paul AND CONTRIBUTORS ``AS IS'' AND
22 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
23 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
24 * ARE DISCLAIMED. IN NO EVENT SHALL Bill Paul OR THE VOICES IN HIS HEAD
25 * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
26 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
27 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
28 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
29 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
30 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF
31 * THE POSSIBILITY OF SUCH DAMAGE.
32 *
33 * $FreeBSD: src/sys/dev/usb/if_aue.c,v 1.11 2000/01/14 01:36:14 wpaul Exp $
34 */
35
36 /*
37 * ADMtek AN986 Pegasus and AN8511 Pegasus II USB to ethernet driver.
38 * Datasheet is available from http://www.admtek.com.tw.
39 *
40 * Written by Bill Paul <wpaul (at) ee.columbia.edu>
41 * Electrical Engineering Department
42 * Columbia University, New York City
43 */
44
45 /*
46 * The Pegasus chip uses four USB "endpoints" to provide 10/100 ethernet
47 * support: the control endpoint for reading/writing registers, burst
48 * read endpoint for packet reception, burst write for packet transmission
49 * and one for "interrupts." The chip uses the same RX filter scheme
50 * as the other ADMtek ethernet parts: one perfect filter entry for the
51 * the station address and a 64-bit multicast hash table. The chip supports
52 * both MII and HomePNA attachments.
53 *
54 * Since the maximum data transfer speed of USB is supposed to be 12Mbps,
55 * you're never really going to get 100Mbps speeds from this device. I
56 * think the idea is to allow the device to connect to 10 or 100Mbps
57 * networks, not necessarily to provide 100Mbps performance. Also, since
58 * the controller uses an external PHY chip, it's possible that board
59 * designers might simply choose a 10Mbps PHY.
60 *
61 * Registers are accessed using usbd_do_request(). Packet transfers are
62 * done using usbd_transfer() and friends.
63 */
64
65 /*
66 * Ported to NetBSD and somewhat rewritten by Lennart Augustsson.
67 */
68
69 /*
70 * TODO:
71 * better error messages from rxstat
72 * split out if_auevar.h
73 * add thread to avoid register reads from interrupt context
74 * more error checks
75 * investigate short rx problem
76 * proper cleanup on errors
77 */
78
79 #include <sys/cdefs.h>
80 __KERNEL_RCSID(0, "$NetBSD: if_aue.c,v 1.105.2.1 2007/12/08 17:57:32 ad Exp $");
81
82 #if defined(__NetBSD__)
83 #include "opt_inet.h"
84 #include "bpfilter.h"
85 #include "rnd.h"
86 #elif defined(__OpenBSD__)
87 #include "bpfilter.h"
88 #endif /* defined(__OpenBSD__) */
89
90 #include <sys/param.h>
91 #include <sys/systm.h>
92 #include <sys/sockio.h>
93 #include <sys/mutex.h>
94 #include <sys/mbuf.h>
95 #include <sys/malloc.h>
96 #include <sys/kernel.h>
97 #include <sys/socket.h>
98 #include <sys/device.h>
99 #if NRND > 0
100 #include <sys/rnd.h>
101 #endif
102
103 #include <net/if.h>
104 #if defined(__NetBSD__)
105 #include <net/if_arp.h>
106 #endif
107 #include <net/if_dl.h>
108 #include <net/if_media.h>
109
110 #define BPF_MTAP(ifp, m) bpf_mtap((ifp)->if_bpf, (m))
111
112 #if NBPFILTER > 0
113 #include <net/bpf.h>
114 #endif
115
116 #if defined(__NetBSD__)
117 #include <net/if_ether.h>
118 #ifdef INET
119 #include <netinet/in.h>
120 #include <netinet/if_inarp.h>
121 #endif
122 #endif /* defined(__NetBSD__) */
123
124 #if defined(__OpenBSD__)
125 #ifdef INET
126 #include <netinet/in.h>
127 #include <netinet/in_systm.h>
128 #include <netinet/in_var.h>
129 #include <netinet/ip.h>
130 #include <netinet/if_ether.h>
131 #endif
132 #endif /* defined(__OpenBSD__) */
133
134
135 #include <dev/mii/mii.h>
136 #include <dev/mii/miivar.h>
137
138 #include <dev/usb/usb.h>
139 #include <dev/usb/usbdi.h>
140 #include <dev/usb/usbdi_util.h>
141 #include <dev/usb/usbdevs.h>
142
143 #if defined(__NetBSD__)
144 #include <sys/workqueue.h>
145 #endif
146
147 #include <dev/usb/if_auereg.h>
148
149 #ifdef AUE_DEBUG
150 #define DPRINTF(x) if (auedebug) logprintf x
151 #define DPRINTFN(n,x) if (auedebug >= (n)) logprintf x
152 int auedebug = 0;
153 #else
154 #define DPRINTF(x)
155 #define DPRINTFN(n,x)
156 #endif
157
158 /*
159 * Various supported device vendors/products.
160 */
161 struct aue_type {
162 struct usb_devno aue_dev;
163 u_int16_t aue_flags;
164 #define LSYS 0x0001 /* use Linksys reset */
165 #define PNA 0x0002 /* has Home PNA */
166 #define PII 0x0004 /* Pegasus II chip */
167 };
168
169 Static const struct aue_type aue_devs[] = {
170 {{ USB_VENDOR_3COM, USB_PRODUCT_3COM_3C460B}, PII },
171 {{ USB_VENDOR_ABOCOM, USB_PRODUCT_ABOCOM_XX1}, PNA|PII },
172 {{ USB_VENDOR_ABOCOM, USB_PRODUCT_ABOCOM_XX2}, PII },
173 {{ USB_VENDOR_ABOCOM, USB_PRODUCT_ABOCOM_UFE1000}, LSYS },
174 {{ USB_VENDOR_ABOCOM, USB_PRODUCT_ABOCOM_XX4}, PNA },
175 {{ USB_VENDOR_ABOCOM, USB_PRODUCT_ABOCOM_XX5}, PNA },
176 {{ USB_VENDOR_ABOCOM, USB_PRODUCT_ABOCOM_XX6}, PII },
177 {{ USB_VENDOR_ABOCOM, USB_PRODUCT_ABOCOM_XX7}, PII },
178 {{ USB_VENDOR_ABOCOM, USB_PRODUCT_ABOCOM_XX8}, PII },
179 {{ USB_VENDOR_ABOCOM, USB_PRODUCT_ABOCOM_XX9}, PNA },
180 {{ USB_VENDOR_ABOCOM, USB_PRODUCT_ABOCOM_XX10}, 0 },
181 {{ USB_VENDOR_ABOCOM, USB_PRODUCT_ABOCOM_DSB650TX_PNA}, 0 },
182 {{ USB_VENDOR_ACCTON, USB_PRODUCT_ACCTON_USB320_EC}, 0 },
183 {{ USB_VENDOR_ACCTON, USB_PRODUCT_ACCTON_SS1001}, PII },
184 {{ USB_VENDOR_ADMTEK, USB_PRODUCT_ADMTEK_PEGASUS}, PNA },
185 {{ USB_VENDOR_ADMTEK, USB_PRODUCT_ADMTEK_PEGASUSII}, PII },
186 {{ USB_VENDOR_ADMTEK, USB_PRODUCT_ADMTEK_PEGASUSII_2}, PII },
187 {{ USB_VENDOR_ADMTEK, USB_PRODUCT_ADMTEK_PEGASUSII_3}, PII },
188 {{ USB_VENDOR_AEI, USB_PRODUCT_AEI_USBTOLAN}, PII },
189 {{ USB_VENDOR_BELKIN, USB_PRODUCT_BELKIN_USB2LAN}, PII },
190 {{ USB_VENDOR_BILLIONTON, USB_PRODUCT_BILLIONTON_USB100}, 0 },
191 {{ USB_VENDOR_BILLIONTON, USB_PRODUCT_BILLIONTON_USBLP100}, PNA },
192 {{ USB_VENDOR_BILLIONTON, USB_PRODUCT_BILLIONTON_USBEL100}, 0 },
193 {{ USB_VENDOR_BILLIONTON, USB_PRODUCT_BILLIONTON_USBE100}, PII },
194 {{ USB_VENDOR_COMPAQ, USB_PRODUCT_COMPAQ_HNE200}, PII },
195 {{ USB_VENDOR_COREGA, USB_PRODUCT_COREGA_FETHER_USB_TX}, 0 },
196 {{ USB_VENDOR_COREGA, USB_PRODUCT_COREGA_FETHER_USB_TXS},PII },
197 {{ USB_VENDOR_DLINK, USB_PRODUCT_DLINK_DSB650TX4}, LSYS|PII },
198 {{ USB_VENDOR_DLINK, USB_PRODUCT_DLINK_DSB650TX1}, LSYS },
199 {{ USB_VENDOR_DLINK, USB_PRODUCT_DLINK_DSB650TX}, LSYS },
200 {{ USB_VENDOR_DLINK, USB_PRODUCT_DLINK_DSB650TX_PNA}, PNA },
201 {{ USB_VENDOR_DLINK, USB_PRODUCT_DLINK_DSB650TX3}, LSYS|PII },
202 {{ USB_VENDOR_DLINK, USB_PRODUCT_DLINK_DSB650TX2}, LSYS|PII },
203 {{ USB_VENDOR_DLINK, USB_PRODUCT_DLINK_DSB650}, 0 },
204 {{ USB_VENDOR_ELECOM, USB_PRODUCT_ELECOM_LDUSBTX0}, 0 },
205 {{ USB_VENDOR_ELECOM, USB_PRODUCT_ELECOM_LDUSBTX1}, LSYS },
206 {{ USB_VENDOR_ELECOM, USB_PRODUCT_ELECOM_LDUSBTX2}, 0 },
207 {{ USB_VENDOR_ELECOM, USB_PRODUCT_ELECOM_LDUSBTX3}, LSYS },
208 {{ USB_VENDOR_ELECOM, USB_PRODUCT_ELECOM_LDUSBLTX}, PII },
209 {{ USB_VENDOR_ELSA, USB_PRODUCT_ELSA_USB2ETHERNET}, 0 },
210 {{ USB_VENDOR_HAWKING, USB_PRODUCT_HAWKING_UF100}, PII },
211 {{ USB_VENDOR_HP, USB_PRODUCT_HP_HN210E}, PII },
212 {{ USB_VENDOR_IODATA, USB_PRODUCT_IODATA_USBETTX}, 0 },
213 {{ USB_VENDOR_IODATA, USB_PRODUCT_IODATA_USBETTXS}, PII },
214 {{ USB_VENDOR_KINGSTON, USB_PRODUCT_KINGSTON_KNU101TX}, 0 },
215 {{ USB_VENDOR_LINKSYS, USB_PRODUCT_LINKSYS_USB10TX1}, LSYS|PII },
216 {{ USB_VENDOR_LINKSYS, USB_PRODUCT_LINKSYS_USB10T}, LSYS },
217 {{ USB_VENDOR_LINKSYS, USB_PRODUCT_LINKSYS_USB100TX}, LSYS },
218 {{ USB_VENDOR_LINKSYS, USB_PRODUCT_LINKSYS_USB100H1}, LSYS|PNA },
219 {{ USB_VENDOR_LINKSYS, USB_PRODUCT_LINKSYS_USB10TA}, LSYS },
220 {{ USB_VENDOR_LINKSYS, USB_PRODUCT_LINKSYS_USB10TX2}, LSYS|PII },
221 {{ USB_VENDOR_MELCO, USB_PRODUCT_MELCO_LUATX1}, 0 },
222 {{ USB_VENDOR_MELCO, USB_PRODUCT_MELCO_LUATX5}, 0 },
223 {{ USB_VENDOR_MELCO, USB_PRODUCT_MELCO_LUA2TX5}, PII },
224 {{ USB_VENDOR_MICROSOFT, USB_PRODUCT_MICROSOFT_MN110}, PII },
225 {{ USB_VENDOR_NETGEAR, USB_PRODUCT_NETGEAR_FA101}, PII },
226 {{ USB_VENDOR_SIEMENS, USB_PRODUCT_SIEMENS_SPEEDSTREAM}, PII },
227 {{ USB_VENDOR_SMARTBRIDGES, USB_PRODUCT_SMARTBRIDGES_SMARTNIC},PII },
228 {{ USB_VENDOR_SMC, USB_PRODUCT_SMC_2202USB}, 0 },
229 {{ USB_VENDOR_SMC, USB_PRODUCT_SMC_2206USB}, PII },
230 {{ USB_VENDOR_SOHOWARE, USB_PRODUCT_SOHOWARE_NUB100}, 0 },
231 };
232 #define aue_lookup(v, p) ((const struct aue_type *)usb_lookup(aue_devs, v, p))
233
234 USB_DECLARE_DRIVER(aue);
235
236 #if defined(__NetBSD__)
237 Static void aue_multiwork(struct work *wkp, void *arg);
238 #endif
239
240 Static void aue_reset_pegasus_II(struct aue_softc *sc);
241 Static int aue_tx_list_init(struct aue_softc *);
242 Static int aue_rx_list_init(struct aue_softc *);
243 Static int aue_newbuf(struct aue_softc *, struct aue_chain *, struct mbuf *);
244 Static int aue_send(struct aue_softc *, struct mbuf *, int);
245 Static void aue_intr(usbd_xfer_handle, usbd_private_handle, usbd_status);
246 Static void aue_rxeof(usbd_xfer_handle, usbd_private_handle, usbd_status);
247 Static void aue_txeof(usbd_xfer_handle, usbd_private_handle, usbd_status);
248 Static void aue_tick(void *);
249 Static void aue_tick_task(void *);
250 Static void aue_start(struct ifnet *);
251 Static int aue_ioctl(struct ifnet *, u_long, void *);
252 Static void aue_init(void *);
253 Static void aue_stop(struct aue_softc *);
254 Static void aue_watchdog(struct ifnet *);
255 Static int aue_openpipes(struct aue_softc *);
256 Static int aue_ifmedia_upd(struct ifnet *);
257 Static void aue_ifmedia_sts(struct ifnet *, struct ifmediareq *);
258
259 Static int aue_eeprom_getword(struct aue_softc *, int);
260 Static void aue_read_mac(struct aue_softc *, u_char *);
261 Static int aue_miibus_readreg(device_ptr_t, int, int);
262 Static void aue_miibus_writereg(device_ptr_t, int, int, int);
263 Static void aue_miibus_statchg(device_ptr_t);
264
265 Static void aue_lock_mii(struct aue_softc *);
266 Static void aue_unlock_mii(struct aue_softc *);
267
268 Static void aue_setmulti(struct aue_softc *);
269 Static u_int32_t aue_crc(void *);
270 Static void aue_reset(struct aue_softc *);
271
272 Static int aue_csr_read_1(struct aue_softc *, int);
273 Static int aue_csr_write_1(struct aue_softc *, int, int);
274 Static int aue_csr_read_2(struct aue_softc *, int);
275 Static int aue_csr_write_2(struct aue_softc *, int, int);
276
277 #define AUE_SETBIT(sc, reg, x) \
278 aue_csr_write_1(sc, reg, aue_csr_read_1(sc, reg) | (x))
279
280 #define AUE_CLRBIT(sc, reg, x) \
281 aue_csr_write_1(sc, reg, aue_csr_read_1(sc, reg) & ~(x))
282
283 Static int
284 aue_csr_read_1(struct aue_softc *sc, int reg)
285 {
286 usb_device_request_t req;
287 usbd_status err;
288 uByte val = 0;
289
290 if (sc->aue_dying)
291 return (0);
292
293 req.bmRequestType = UT_READ_VENDOR_DEVICE;
294 req.bRequest = AUE_UR_READREG;
295 USETW(req.wValue, 0);
296 USETW(req.wIndex, reg);
297 USETW(req.wLength, 1);
298
299 err = usbd_do_request(sc->aue_udev, &req, &val);
300
301 if (err) {
302 DPRINTF(("%s: aue_csr_read_1: reg=0x%x err=%s\n",
303 USBDEVNAME(sc->aue_dev), reg, usbd_errstr(err)));
304 return (0);
305 }
306
307 return (val);
308 }
309
310 Static int
311 aue_csr_read_2(struct aue_softc *sc, int reg)
312 {
313 usb_device_request_t req;
314 usbd_status err;
315 uWord val;
316
317 if (sc->aue_dying)
318 return (0);
319
320 req.bmRequestType = UT_READ_VENDOR_DEVICE;
321 req.bRequest = AUE_UR_READREG;
322 USETW(req.wValue, 0);
323 USETW(req.wIndex, reg);
324 USETW(req.wLength, 2);
325
326 err = usbd_do_request(sc->aue_udev, &req, &val);
327
328 if (err) {
329 DPRINTF(("%s: aue_csr_read_2: reg=0x%x err=%s\n",
330 USBDEVNAME(sc->aue_dev), reg, usbd_errstr(err)));
331 return (0);
332 }
333
334 return (UGETW(val));
335 }
336
337 Static int
338 aue_csr_write_1(struct aue_softc *sc, int reg, int aval)
339 {
340 usb_device_request_t req;
341 usbd_status err;
342 uByte val;
343
344 if (sc->aue_dying)
345 return (0);
346
347 val = aval;
348 req.bmRequestType = UT_WRITE_VENDOR_DEVICE;
349 req.bRequest = AUE_UR_WRITEREG;
350 USETW(req.wValue, val);
351 USETW(req.wIndex, reg);
352 USETW(req.wLength, 1);
353
354 err = usbd_do_request(sc->aue_udev, &req, &val);
355
356 if (err) {
357 DPRINTF(("%s: aue_csr_write_1: reg=0x%x err=%s\n",
358 USBDEVNAME(sc->aue_dev), reg, usbd_errstr(err)));
359 return (-1);
360 }
361
362 return (0);
363 }
364
365 Static int
366 aue_csr_write_2(struct aue_softc *sc, int reg, int aval)
367 {
368 usb_device_request_t req;
369 usbd_status err;
370 uWord val;
371
372 if (sc->aue_dying)
373 return (0);
374
375 USETW(val, aval);
376 req.bmRequestType = UT_WRITE_VENDOR_DEVICE;
377 req.bRequest = AUE_UR_WRITEREG;
378 USETW(req.wValue, aval);
379 USETW(req.wIndex, reg);
380 USETW(req.wLength, 2);
381
382 err = usbd_do_request(sc->aue_udev, &req, &val);
383
384 if (err) {
385 DPRINTF(("%s: aue_csr_write_2: reg=0x%x err=%s\n",
386 USBDEVNAME(sc->aue_dev), reg, usbd_errstr(err)));
387 return (-1);
388 }
389
390 return (0);
391 }
392
393 /*
394 * Read a word of data stored in the EEPROM at address 'addr.'
395 */
396 Static int
397 aue_eeprom_getword(struct aue_softc *sc, int addr)
398 {
399 int i;
400
401 aue_csr_write_1(sc, AUE_EE_REG, addr);
402 aue_csr_write_1(sc, AUE_EE_CTL, AUE_EECTL_READ);
403
404 for (i = 0; i < AUE_TIMEOUT; i++) {
405 if (aue_csr_read_1(sc, AUE_EE_CTL) & AUE_EECTL_DONE)
406 break;
407 }
408
409 if (i == AUE_TIMEOUT) {
410 printf("%s: EEPROM read timed out\n",
411 USBDEVNAME(sc->aue_dev));
412 }
413
414 return (aue_csr_read_2(sc, AUE_EE_DATA));
415 }
416
417 /*
418 * Read the MAC from the EEPROM. It's at offset 0.
419 */
420 Static void
421 aue_read_mac(struct aue_softc *sc, u_char *dest)
422 {
423 int i;
424 int off = 0;
425 int word;
426
427 DPRINTFN(5,("%s: %s: enter\n", USBDEVNAME(sc->aue_dev), __func__));
428
429 for (i = 0; i < 3; i++) {
430 word = aue_eeprom_getword(sc, off + i);
431 dest[2 * i] = (u_char)word;
432 dest[2 * i + 1] = (u_char)(word >> 8);
433 }
434 }
435
436 /* Get exclusive access to the MII registers */
437 Static void
438 aue_lock_mii(struct aue_softc *sc)
439 {
440 sc->aue_refcnt++;
441 mutex_enter(&sc->aue_mii_lock);
442 }
443
444 Static void
445 aue_unlock_mii(struct aue_softc *sc)
446 {
447 mutex_exit(&sc->aue_mii_lock);
448 if (--sc->aue_refcnt < 0)
449 usb_detach_wakeup(USBDEV(sc->aue_dev));
450 }
451
452 Static int
453 aue_miibus_readreg(device_ptr_t dev, int phy, int reg)
454 {
455 struct aue_softc *sc = USBGETSOFTC(dev);
456 int i;
457 u_int16_t val;
458
459 if (sc->aue_dying) {
460 #ifdef DIAGNOSTIC
461 printf("%s: dying\n", USBDEVNAME(sc->aue_dev));
462 #endif
463 return 0;
464 }
465
466 #if 0
467 /*
468 * The Am79C901 HomePNA PHY actually contains
469 * two transceivers: a 1Mbps HomePNA PHY and a
470 * 10Mbps full/half duplex ethernet PHY with
471 * NWAY autoneg. However in the ADMtek adapter,
472 * only the 1Mbps PHY is actually connected to
473 * anything, so we ignore the 10Mbps one. It
474 * happens to be configured for MII address 3,
475 * so we filter that out.
476 */
477 if (sc->aue_vendor == USB_VENDOR_ADMTEK &&
478 sc->aue_product == USB_PRODUCT_ADMTEK_PEGASUS) {
479 if (phy == 3)
480 return (0);
481 }
482 #endif
483
484 aue_lock_mii(sc);
485 aue_csr_write_1(sc, AUE_PHY_ADDR, phy);
486 aue_csr_write_1(sc, AUE_PHY_CTL, reg | AUE_PHYCTL_READ);
487
488 for (i = 0; i < AUE_TIMEOUT; i++) {
489 if (aue_csr_read_1(sc, AUE_PHY_CTL) & AUE_PHYCTL_DONE)
490 break;
491 }
492
493 if (i == AUE_TIMEOUT) {
494 printf("%s: MII read timed out\n", USBDEVNAME(sc->aue_dev));
495 }
496
497 val = aue_csr_read_2(sc, AUE_PHY_DATA);
498
499 DPRINTFN(11,("%s: %s: phy=%d reg=%d => 0x%04x\n",
500 USBDEVNAME(sc->aue_dev), __func__, phy, reg, val));
501
502 aue_unlock_mii(sc);
503 return (val);
504 }
505
506 Static void
507 aue_miibus_writereg(device_ptr_t dev, int phy, int reg, int data)
508 {
509 struct aue_softc *sc = USBGETSOFTC(dev);
510 int i;
511
512 #if 0
513 if (sc->aue_vendor == USB_VENDOR_ADMTEK &&
514 sc->aue_product == USB_PRODUCT_ADMTEK_PEGASUS) {
515 if (phy == 3)
516 return;
517 }
518 #endif
519
520 DPRINTFN(11,("%s: %s: phy=%d reg=%d data=0x%04x\n",
521 USBDEVNAME(sc->aue_dev), __func__, phy, reg, data));
522
523 aue_lock_mii(sc);
524 aue_csr_write_2(sc, AUE_PHY_DATA, data);
525 aue_csr_write_1(sc, AUE_PHY_ADDR, phy);
526 aue_csr_write_1(sc, AUE_PHY_CTL, reg | AUE_PHYCTL_WRITE);
527
528 for (i = 0; i < AUE_TIMEOUT; i++) {
529 if (aue_csr_read_1(sc, AUE_PHY_CTL) & AUE_PHYCTL_DONE)
530 break;
531 }
532
533 if (i == AUE_TIMEOUT) {
534 printf("%s: MII read timed out\n",
535 USBDEVNAME(sc->aue_dev));
536 }
537 aue_unlock_mii(sc);
538 }
539
540 Static void
541 aue_miibus_statchg(device_ptr_t dev)
542 {
543 struct aue_softc *sc = USBGETSOFTC(dev);
544 struct mii_data *mii = GET_MII(sc);
545
546 DPRINTFN(5,("%s: %s: enter\n", USBDEVNAME(sc->aue_dev), __func__));
547
548 aue_lock_mii(sc);
549 AUE_CLRBIT(sc, AUE_CTL0, AUE_CTL0_RX_ENB | AUE_CTL0_TX_ENB);
550
551 if (IFM_SUBTYPE(mii->mii_media_active) == IFM_100_TX) {
552 AUE_SETBIT(sc, AUE_CTL1, AUE_CTL1_SPEEDSEL);
553 } else {
554 AUE_CLRBIT(sc, AUE_CTL1, AUE_CTL1_SPEEDSEL);
555 }
556
557 if ((mii->mii_media_active & IFM_GMASK) == IFM_FDX)
558 AUE_SETBIT(sc, AUE_CTL1, AUE_CTL1_DUPLEX);
559 else
560 AUE_CLRBIT(sc, AUE_CTL1, AUE_CTL1_DUPLEX);
561
562 AUE_SETBIT(sc, AUE_CTL0, AUE_CTL0_RX_ENB | AUE_CTL0_TX_ENB);
563 aue_unlock_mii(sc);
564
565 /*
566 * Set the LED modes on the LinkSys adapter.
567 * This turns on the 'dual link LED' bin in the auxmode
568 * register of the Broadcom PHY.
569 */
570 if (!sc->aue_dying && (sc->aue_flags & LSYS)) {
571 u_int16_t auxmode;
572 auxmode = aue_miibus_readreg(dev, 0, 0x1b);
573 aue_miibus_writereg(dev, 0, 0x1b, auxmode | 0x04);
574 }
575 DPRINTFN(5,("%s: %s: exit\n", USBDEVNAME(sc->aue_dev), __func__));
576 }
577
578 #define AUE_POLY 0xEDB88320
579 #define AUE_BITS 6
580
581 Static u_int32_t
582 aue_crc(void *addrv)
583 {
584 u_int32_t idx, bit, data, crc;
585 char *addr = addrv;
586
587 /* Compute CRC for the address value. */
588 crc = 0xFFFFFFFF; /* initial value */
589
590 for (idx = 0; idx < 6; idx++) {
591 for (data = *addr++, bit = 0; bit < 8; bit++, data >>= 1)
592 crc = (crc >> 1) ^ (((crc ^ data) & 1) ? AUE_POLY : 0);
593 }
594
595 return (crc & ((1 << AUE_BITS) - 1));
596 }
597
598 Static void
599 aue_setmulti(struct aue_softc *sc)
600 {
601 struct ifnet *ifp;
602 struct ether_multi *enm;
603 struct ether_multistep step;
604 u_int32_t h = 0, i;
605
606 DPRINTFN(5,("%s: %s: enter\n", USBDEVNAME(sc->aue_dev), __func__));
607
608 ifp = GET_IFP(sc);
609
610 if (ifp->if_flags & IFF_PROMISC) {
611 allmulti:
612 ifp->if_flags |= IFF_ALLMULTI;
613 AUE_SETBIT(sc, AUE_CTL0, AUE_CTL0_ALLMULTI);
614 return;
615 }
616
617 AUE_CLRBIT(sc, AUE_CTL0, AUE_CTL0_ALLMULTI);
618
619 /* first, zot all the existing hash bits */
620 for (i = 0; i < 8; i++)
621 aue_csr_write_1(sc, AUE_MAR0 + i, 0);
622
623 /* now program new ones */
624 #if defined(__NetBSD__)
625 ETHER_FIRST_MULTI(step, &sc->aue_ec, enm);
626 #else
627 ETHER_FIRST_MULTI(step, &sc->arpcom, enm);
628 #endif
629 while (enm != NULL) {
630 if (memcmp(enm->enm_addrlo,
631 enm->enm_addrhi, ETHER_ADDR_LEN) != 0)
632 goto allmulti;
633
634 h = aue_crc(enm->enm_addrlo);
635 AUE_SETBIT(sc, AUE_MAR + (h >> 3), 1 << (h & 0x7));
636 ETHER_NEXT_MULTI(step, enm);
637 }
638
639 ifp->if_flags &= ~IFF_ALLMULTI;
640 }
641
642 Static void
643 aue_reset_pegasus_II(struct aue_softc *sc)
644 {
645 /* Magic constants taken from Linux driver. */
646 aue_csr_write_1(sc, AUE_REG_1D, 0);
647 aue_csr_write_1(sc, AUE_REG_7B, 2);
648 #if 0
649 if ((sc->aue_flags & HAS_HOME_PNA) && mii_mode)
650 aue_csr_write_1(sc, AUE_REG_81, 6);
651 else
652 #endif
653 aue_csr_write_1(sc, AUE_REG_81, 2);
654 }
655
656 Static void
657 aue_reset(struct aue_softc *sc)
658 {
659 int i;
660
661 DPRINTFN(2,("%s: %s: enter\n", USBDEVNAME(sc->aue_dev), __func__));
662
663 AUE_SETBIT(sc, AUE_CTL1, AUE_CTL1_RESETMAC);
664
665 for (i = 0; i < AUE_TIMEOUT; i++) {
666 if (!(aue_csr_read_1(sc, AUE_CTL1) & AUE_CTL1_RESETMAC))
667 break;
668 }
669
670 if (i == AUE_TIMEOUT)
671 printf("%s: reset failed\n", USBDEVNAME(sc->aue_dev));
672
673 #if 0
674 /* XXX what is mii_mode supposed to be */
675 if (sc->aue_mii_mode && (sc->aue_flags & PNA))
676 aue_csr_write_1(sc, AUE_GPIO1, 0x34);
677 else
678 aue_csr_write_1(sc, AUE_GPIO1, 0x26);
679 #endif
680
681 /*
682 * The PHY(s) attached to the Pegasus chip may be held
683 * in reset until we flip on the GPIO outputs. Make sure
684 * to set the GPIO pins high so that the PHY(s) will
685 * be enabled.
686 *
687 * Note: We force all of the GPIO pins low first, *then*
688 * enable the ones we want.
689 */
690 if (sc->aue_flags & LSYS) {
691 /* Grrr. LinkSys has to be different from everyone else. */
692 aue_csr_write_1(sc, AUE_GPIO0,
693 AUE_GPIO_SEL0 | AUE_GPIO_SEL1);
694 } else {
695 aue_csr_write_1(sc, AUE_GPIO0,
696 AUE_GPIO_OUT0 | AUE_GPIO_SEL0);
697 }
698 aue_csr_write_1(sc, AUE_GPIO0,
699 AUE_GPIO_OUT0 | AUE_GPIO_SEL0 | AUE_GPIO_SEL1);
700
701 if (sc->aue_flags & PII)
702 aue_reset_pegasus_II(sc);
703
704 /* Wait a little while for the chip to get its brains in order. */
705 delay(10000); /* XXX */
706 }
707
708 /*
709 * Probe for a Pegasus chip.
710 */
711 USB_MATCH(aue)
712 {
713 USB_MATCH_START(aue, uaa);
714
715 /*
716 * Some manufacturers use the same vendor and product id for
717 * different devices. We need to sanity check the DeviceClass
718 * in this case
719 * Currently known guilty products:
720 * 0x050d/0x0121 Belkin Bluetooth and USB2LAN
721 *
722 * If this turns out to be more common, we could use a quirk
723 * table.
724 */
725 if (uaa->vendor == USB_VENDOR_BELKIN &&
726 uaa->product == USB_PRODUCT_BELKIN_USB2LAN) {
727 usb_device_descriptor_t *dd;
728
729 dd = usbd_get_device_descriptor(uaa->device);
730 if (dd != NULL &&
731 dd->bDeviceClass != UDCLASS_IN_INTERFACE)
732 return (UMATCH_NONE);
733 }
734
735 return (aue_lookup(uaa->vendor, uaa->product) != NULL ?
736 UMATCH_VENDOR_PRODUCT : UMATCH_NONE);
737 }
738
739 /*
740 * Attach the interface. Allocate softc structures, do ifmedia
741 * setup and ethernet/BPF attach.
742 */
743 USB_ATTACH(aue)
744 {
745 USB_ATTACH_START(aue, sc, uaa);
746 char *devinfop;
747 int s;
748 u_char eaddr[ETHER_ADDR_LEN];
749 struct ifnet *ifp;
750 struct mii_data *mii;
751 usbd_device_handle dev = uaa->device;
752 usbd_interface_handle iface;
753 usbd_status err;
754 usb_interface_descriptor_t *id;
755 usb_endpoint_descriptor_t *ed;
756 int i;
757
758 DPRINTFN(5,(" : aue_attach: sc=%p", sc));
759
760 devinfop = usbd_devinfo_alloc(uaa->device, 0);
761 USB_ATTACH_SETUP;
762 printf("%s: %s\n", USBDEVNAME(sc->aue_dev), devinfop);
763 usbd_devinfo_free(devinfop);
764
765 err = usbd_set_config_no(dev, AUE_CONFIG_NO, 1);
766 if (err) {
767 printf("%s: setting config no failed\n",
768 USBDEVNAME(sc->aue_dev));
769 USB_ATTACH_ERROR_RETURN;
770 }
771
772 usb_init_task(&sc->aue_tick_task, aue_tick_task, sc);
773 usb_init_task(&sc->aue_stop_task, (void (*)(void *))aue_stop, sc);
774 mutex_init(&sc->aue_mii_lock, MUTEX_DEFAULT, IPL_NONE);
775
776 err = usbd_device2interface_handle(dev, AUE_IFACE_IDX, &iface);
777 if (err) {
778 printf("%s: getting interface handle failed\n",
779 USBDEVNAME(sc->aue_dev));
780 USB_ATTACH_ERROR_RETURN;
781 }
782 #if defined(__NetBSD__)
783 err = workqueue_create(&sc->wqp, USBDEVNAME(sc->aue_dev),
784 aue_multiwork, sc, 0, IPL_NET, 0);
785
786 if (err) {
787 printf("%s: creating multicast configuration work queue\n",
788 USBDEVNAME(sc->aue_dev));
789 USB_ATTACH_ERROR_RETURN;
790 }
791 #endif
792 sc->aue_flags = aue_lookup(uaa->vendor, uaa->product)->aue_flags;
793
794 sc->aue_udev = dev;
795 sc->aue_iface = iface;
796 sc->aue_product = uaa->product;
797 sc->aue_vendor = uaa->vendor;
798
799 id = usbd_get_interface_descriptor(iface);
800
801 /* Find endpoints. */
802 for (i = 0; i < id->bNumEndpoints; i++) {
803 ed = usbd_interface2endpoint_descriptor(iface, i);
804 if (ed == NULL) {
805 printf("%s: couldn't get endpoint descriptor %d\n",
806 USBDEVNAME(sc->aue_dev), i);
807 USB_ATTACH_ERROR_RETURN;
808 }
809 if (UE_GET_DIR(ed->bEndpointAddress) == UE_DIR_IN &&
810 UE_GET_XFERTYPE(ed->bmAttributes) == UE_BULK) {
811 sc->aue_ed[AUE_ENDPT_RX] = ed->bEndpointAddress;
812 } else if (UE_GET_DIR(ed->bEndpointAddress) == UE_DIR_OUT &&
813 UE_GET_XFERTYPE(ed->bmAttributes) == UE_BULK) {
814 sc->aue_ed[AUE_ENDPT_TX] = ed->bEndpointAddress;
815 } else if (UE_GET_DIR(ed->bEndpointAddress) == UE_DIR_IN &&
816 UE_GET_XFERTYPE(ed->bmAttributes) == UE_INTERRUPT) {
817 sc->aue_ed[AUE_ENDPT_INTR] = ed->bEndpointAddress;
818 }
819 }
820
821 if (sc->aue_ed[AUE_ENDPT_RX] == 0 || sc->aue_ed[AUE_ENDPT_TX] == 0 ||
822 sc->aue_ed[AUE_ENDPT_INTR] == 0) {
823 printf("%s: missing endpoint\n", USBDEVNAME(sc->aue_dev));
824 USB_ATTACH_ERROR_RETURN;
825 }
826
827
828 s = splnet();
829
830 /* Reset the adapter. */
831 aue_reset(sc);
832
833 /*
834 * Get station address from the EEPROM.
835 */
836 aue_read_mac(sc, eaddr);
837
838 /*
839 * A Pegasus chip was detected. Inform the world.
840 */
841 ifp = GET_IFP(sc);
842 printf("%s: Ethernet address %s\n", USBDEVNAME(sc->aue_dev),
843 ether_sprintf(eaddr));
844
845 /* Initialize interface info.*/
846 ifp->if_softc = sc;
847 ifp->if_mtu = ETHERMTU;
848 ifp->if_flags = IFF_BROADCAST | IFF_SIMPLEX | IFF_MULTICAST;
849 ifp->if_ioctl = aue_ioctl;
850 ifp->if_start = aue_start;
851 ifp->if_watchdog = aue_watchdog;
852 #if defined(__OpenBSD__)
853 ifp->if_snd.ifq_maxlen = IFQ_MAXLEN;
854 #endif
855 strncpy(ifp->if_xname, USBDEVNAME(sc->aue_dev), IFNAMSIZ);
856
857 IFQ_SET_READY(&ifp->if_snd);
858
859 /* Initialize MII/media info. */
860 mii = &sc->aue_mii;
861 mii->mii_ifp = ifp;
862 mii->mii_readreg = aue_miibus_readreg;
863 mii->mii_writereg = aue_miibus_writereg;
864 mii->mii_statchg = aue_miibus_statchg;
865 mii->mii_flags = MIIF_AUTOTSLEEP;
866 ifmedia_init(&mii->mii_media, 0, aue_ifmedia_upd, aue_ifmedia_sts);
867 mii_attach(self, mii, 0xffffffff, MII_PHY_ANY, MII_OFFSET_ANY, 0);
868 if (LIST_FIRST(&mii->mii_phys) == NULL) {
869 ifmedia_add(&mii->mii_media, IFM_ETHER | IFM_NONE, 0, NULL);
870 ifmedia_set(&mii->mii_media, IFM_ETHER | IFM_NONE);
871 } else
872 ifmedia_set(&mii->mii_media, IFM_ETHER | IFM_AUTO);
873
874 /* Attach the interface. */
875 if_attach(ifp);
876 Ether_ifattach(ifp, eaddr);
877 #if NRND > 0
878 rnd_attach_source(&sc->rnd_source, USBDEVNAME(sc->aue_dev),
879 RND_TYPE_NET, 0);
880 #endif
881
882 usb_callout_init(sc->aue_stat_ch);
883
884 sc->aue_attached = 1;
885 splx(s);
886
887 usbd_add_drv_event(USB_EVENT_DRIVER_ATTACH, sc->aue_udev,
888 USBDEV(sc->aue_dev));
889
890 USB_ATTACH_SUCCESS_RETURN;
891 }
892
893 USB_DETACH(aue)
894 {
895 USB_DETACH_START(aue, sc);
896 struct ifnet *ifp = GET_IFP(sc);
897 int s;
898
899 DPRINTFN(2,("%s: %s: enter\n", USBDEVNAME(sc->aue_dev), __func__));
900
901 if (!sc->aue_attached) {
902 /* Detached before attached finished, so just bail out. */
903 return (0);
904 }
905
906 usb_uncallout(sc->aue_stat_ch, aue_tick, sc);
907 /*
908 * Remove any pending tasks. They cannot be executing because they run
909 * in the same thread as detach.
910 */
911 usb_rem_task(sc->aue_udev, &sc->aue_tick_task);
912 usb_rem_task(sc->aue_udev, &sc->aue_stop_task);
913
914 s = splusb();
915
916 if (ifp->if_flags & IFF_RUNNING)
917 aue_stop(sc);
918
919 #if defined(__NetBSD__)
920 #if NRND > 0
921 rnd_detach_source(&sc->rnd_source);
922 #endif
923 mii_detach(&sc->aue_mii, MII_PHY_ANY, MII_OFFSET_ANY);
924 ifmedia_delete_instance(&sc->aue_mii.mii_media, IFM_INST_ANY);
925 ether_ifdetach(ifp);
926 #endif /* __NetBSD__ */
927
928 if_detach(ifp);
929
930 #ifdef DIAGNOSTIC
931 if (sc->aue_ep[AUE_ENDPT_TX] != NULL ||
932 sc->aue_ep[AUE_ENDPT_RX] != NULL ||
933 sc->aue_ep[AUE_ENDPT_INTR] != NULL)
934 printf("%s: detach has active endpoints\n",
935 USBDEVNAME(sc->aue_dev));
936 #endif
937
938 sc->aue_attached = 0;
939
940 if (--sc->aue_refcnt >= 0) {
941 /* Wait for processes to go away. */
942 usb_detach_wait(USBDEV(sc->aue_dev));
943 }
944 splx(s);
945
946 usbd_add_drv_event(USB_EVENT_DRIVER_DETACH, sc->aue_udev,
947 USBDEV(sc->aue_dev));
948
949 mutex_destroy(&sc->aue_mii_lock);
950
951 return (0);
952 }
953
954 int
955 aue_activate(device_ptr_t self, enum devact act)
956 {
957 struct aue_softc *sc = (struct aue_softc *)self;
958
959 DPRINTFN(2,("%s: %s: enter\n", USBDEVNAME(sc->aue_dev), __func__));
960
961 switch (act) {
962 case DVACT_ACTIVATE:
963 return (EOPNOTSUPP);
964 break;
965
966 case DVACT_DEACTIVATE:
967 if_deactivate(&sc->aue_ec.ec_if);
968 sc->aue_dying = 1;
969 break;
970 }
971 return (0);
972 }
973
974 /*
975 * Initialize an RX descriptor and attach an MBUF cluster.
976 */
977 Static int
978 aue_newbuf(struct aue_softc *sc, struct aue_chain *c, struct mbuf *m)
979 {
980 struct mbuf *m_new = NULL;
981
982 DPRINTFN(10,("%s: %s: enter\n", USBDEVNAME(sc->aue_dev),__func__));
983
984 if (m == NULL) {
985 MGETHDR(m_new, M_DONTWAIT, MT_DATA);
986 if (m_new == NULL) {
987 printf("%s: no memory for rx list "
988 "-- packet dropped!\n", USBDEVNAME(sc->aue_dev));
989 return (ENOBUFS);
990 }
991
992 MCLGET(m_new, M_DONTWAIT);
993 if (!(m_new->m_flags & M_EXT)) {
994 printf("%s: no memory for rx list "
995 "-- packet dropped!\n", USBDEVNAME(sc->aue_dev));
996 m_freem(m_new);
997 return (ENOBUFS);
998 }
999 m_new->m_len = m_new->m_pkthdr.len = MCLBYTES;
1000 } else {
1001 m_new = m;
1002 m_new->m_len = m_new->m_pkthdr.len = MCLBYTES;
1003 m_new->m_data = m_new->m_ext.ext_buf;
1004 }
1005
1006 m_adj(m_new, ETHER_ALIGN);
1007 c->aue_mbuf = m_new;
1008
1009 return (0);
1010 }
1011
1012 Static int
1013 aue_rx_list_init(struct aue_softc *sc)
1014 {
1015 struct aue_cdata *cd;
1016 struct aue_chain *c;
1017 int i;
1018
1019 DPRINTFN(5,("%s: %s: enter\n", USBDEVNAME(sc->aue_dev), __func__));
1020
1021 cd = &sc->aue_cdata;
1022 for (i = 0; i < AUE_RX_LIST_CNT; i++) {
1023 c = &cd->aue_rx_chain[i];
1024 c->aue_sc = sc;
1025 c->aue_idx = i;
1026 if (aue_newbuf(sc, c, NULL) == ENOBUFS)
1027 return (ENOBUFS);
1028 if (c->aue_xfer == NULL) {
1029 c->aue_xfer = usbd_alloc_xfer(sc->aue_udev);
1030 if (c->aue_xfer == NULL)
1031 return (ENOBUFS);
1032 c->aue_buf = usbd_alloc_buffer(c->aue_xfer, AUE_BUFSZ);
1033 if (c->aue_buf == NULL)
1034 return (ENOBUFS); /* XXX free xfer */
1035 }
1036 }
1037
1038 return (0);
1039 }
1040
1041 Static int
1042 aue_tx_list_init(struct aue_softc *sc)
1043 {
1044 struct aue_cdata *cd;
1045 struct aue_chain *c;
1046 int i;
1047
1048 DPRINTFN(5,("%s: %s: enter\n", USBDEVNAME(sc->aue_dev), __func__));
1049
1050 cd = &sc->aue_cdata;
1051 for (i = 0; i < AUE_TX_LIST_CNT; i++) {
1052 c = &cd->aue_tx_chain[i];
1053 c->aue_sc = sc;
1054 c->aue_idx = i;
1055 c->aue_mbuf = NULL;
1056 if (c->aue_xfer == NULL) {
1057 c->aue_xfer = usbd_alloc_xfer(sc->aue_udev);
1058 if (c->aue_xfer == NULL)
1059 return (ENOBUFS);
1060 c->aue_buf = usbd_alloc_buffer(c->aue_xfer, AUE_BUFSZ);
1061 if (c->aue_buf == NULL)
1062 return (ENOBUFS);
1063 }
1064 }
1065
1066 return (0);
1067 }
1068
1069 Static void
1070 aue_intr(usbd_xfer_handle xfer, usbd_private_handle priv,
1071 usbd_status status)
1072 {
1073 struct aue_softc *sc = priv;
1074 struct ifnet *ifp = GET_IFP(sc);
1075 struct aue_intrpkt *p = &sc->aue_cdata.aue_ibuf;
1076
1077 DPRINTFN(15,("%s: %s: enter\n", USBDEVNAME(sc->aue_dev),__func__));
1078
1079 if (sc->aue_dying)
1080 return;
1081
1082 if (!(ifp->if_flags & IFF_RUNNING))
1083 return;
1084
1085 if (status != USBD_NORMAL_COMPLETION) {
1086 if (status == USBD_NOT_STARTED || status == USBD_CANCELLED) {
1087 return;
1088 }
1089 sc->aue_intr_errs++;
1090 if (usbd_ratecheck(&sc->aue_rx_notice)) {
1091 printf("%s: %u usb errors on intr: %s\n",
1092 USBDEVNAME(sc->aue_dev), sc->aue_intr_errs,
1093 usbd_errstr(status));
1094 sc->aue_intr_errs = 0;
1095 }
1096 if (status == USBD_STALLED)
1097 usbd_clear_endpoint_stall_async(sc->aue_ep[AUE_ENDPT_RX]);
1098 return;
1099 }
1100
1101 if (p->aue_txstat0)
1102 ifp->if_oerrors++;
1103
1104 if (p->aue_txstat0 & (AUE_TXSTAT0_LATECOLL | AUE_TXSTAT0_EXCESSCOLL))
1105 ifp->if_collisions++;
1106 }
1107
1108 /*
1109 * A frame has been uploaded: pass the resulting mbuf chain up to
1110 * the higher level protocols.
1111 */
1112 Static void
1113 aue_rxeof(usbd_xfer_handle xfer, usbd_private_handle priv, usbd_status status)
1114 {
1115 struct aue_chain *c = priv;
1116 struct aue_softc *sc = c->aue_sc;
1117 struct ifnet *ifp = GET_IFP(sc);
1118 struct mbuf *m;
1119 u_int32_t total_len;
1120 struct aue_rxpkt r;
1121 int s;
1122
1123 DPRINTFN(10,("%s: %s: enter\n", USBDEVNAME(sc->aue_dev),__func__));
1124
1125 if (sc->aue_dying)
1126 return;
1127
1128 if (!(ifp->if_flags & IFF_RUNNING))
1129 return;
1130
1131 if (status != USBD_NORMAL_COMPLETION) {
1132 if (status == USBD_NOT_STARTED || status == USBD_CANCELLED)
1133 return;
1134 sc->aue_rx_errs++;
1135 if (usbd_ratecheck(&sc->aue_rx_notice)) {
1136 printf("%s: %u usb errors on rx: %s\n",
1137 USBDEVNAME(sc->aue_dev), sc->aue_rx_errs,
1138 usbd_errstr(status));
1139 sc->aue_rx_errs = 0;
1140 }
1141 if (status == USBD_STALLED)
1142 usbd_clear_endpoint_stall_async(sc->aue_ep[AUE_ENDPT_RX]);
1143 goto done;
1144 }
1145
1146 usbd_get_xfer_status(xfer, NULL, NULL, &total_len, NULL);
1147
1148 memcpy(mtod(c->aue_mbuf, char *), c->aue_buf, total_len);
1149
1150 if (total_len <= 4 + ETHER_CRC_LEN) {
1151 ifp->if_ierrors++;
1152 goto done;
1153 }
1154
1155 memcpy(&r, c->aue_buf + total_len - 4, sizeof(r));
1156
1157 /* Turn off all the non-error bits in the rx status word. */
1158 r.aue_rxstat &= AUE_RXSTAT_MASK;
1159 if (r.aue_rxstat) {
1160 ifp->if_ierrors++;
1161 goto done;
1162 }
1163
1164 /* No errors; receive the packet. */
1165 m = c->aue_mbuf;
1166 total_len -= ETHER_CRC_LEN + 4;
1167 m->m_pkthdr.len = m->m_len = total_len;
1168 ifp->if_ipackets++;
1169
1170 m->m_pkthdr.rcvif = ifp;
1171
1172 s = splnet();
1173
1174 /* XXX ugly */
1175 if (aue_newbuf(sc, c, NULL) == ENOBUFS) {
1176 ifp->if_ierrors++;
1177 goto done1;
1178 }
1179
1180 #if NBPFILTER > 0
1181 /*
1182 * Handle BPF listeners. Let the BPF user see the packet, but
1183 * don't pass it up to the ether_input() layer unless it's
1184 * a broadcast packet, multicast packet, matches our ethernet
1185 * address or the interface is in promiscuous mode.
1186 */
1187 if (ifp->if_bpf)
1188 BPF_MTAP(ifp, m);
1189 #endif
1190
1191 DPRINTFN(10,("%s: %s: deliver %d\n", USBDEVNAME(sc->aue_dev),
1192 __func__, m->m_len));
1193 IF_INPUT(ifp, m);
1194 done1:
1195 splx(s);
1196
1197 done:
1198
1199 /* Setup new transfer. */
1200 usbd_setup_xfer(xfer, sc->aue_ep[AUE_ENDPT_RX],
1201 c, c->aue_buf, AUE_BUFSZ,
1202 USBD_SHORT_XFER_OK | USBD_NO_COPY,
1203 USBD_NO_TIMEOUT, aue_rxeof);
1204 usbd_transfer(xfer);
1205
1206 DPRINTFN(10,("%s: %s: start rx\n", USBDEVNAME(sc->aue_dev),
1207 __func__));
1208 }
1209
1210 /*
1211 * A frame was downloaded to the chip. It's safe for us to clean up
1212 * the list buffers.
1213 */
1214
1215 Static void
1216 aue_txeof(usbd_xfer_handle xfer, usbd_private_handle priv,
1217 usbd_status status)
1218 {
1219 struct aue_chain *c = priv;
1220 struct aue_softc *sc = c->aue_sc;
1221 struct ifnet *ifp = GET_IFP(sc);
1222 int s;
1223
1224 if (sc->aue_dying)
1225 return;
1226
1227 s = splnet();
1228
1229 DPRINTFN(10,("%s: %s: enter status=%d\n", USBDEVNAME(sc->aue_dev),
1230 __func__, status));
1231
1232 ifp->if_timer = 0;
1233 ifp->if_flags &= ~IFF_OACTIVE;
1234
1235 if (status != USBD_NORMAL_COMPLETION) {
1236 if (status == USBD_NOT_STARTED || status == USBD_CANCELLED) {
1237 splx(s);
1238 return;
1239 }
1240 ifp->if_oerrors++;
1241 printf("%s: usb error on tx: %s\n", USBDEVNAME(sc->aue_dev),
1242 usbd_errstr(status));
1243 if (status == USBD_STALLED)
1244 usbd_clear_endpoint_stall_async(sc->aue_ep[AUE_ENDPT_TX]);
1245 splx(s);
1246 return;
1247 }
1248
1249 ifp->if_opackets++;
1250
1251 m_freem(c->aue_mbuf);
1252 c->aue_mbuf = NULL;
1253
1254 if (IFQ_IS_EMPTY(&ifp->if_snd) == 0)
1255 aue_start(ifp);
1256
1257 splx(s);
1258 }
1259
1260 Static void
1261 aue_tick(void *xsc)
1262 {
1263 struct aue_softc *sc = xsc;
1264
1265 DPRINTFN(15,("%s: %s: enter\n", USBDEVNAME(sc->aue_dev),__func__));
1266
1267 if (sc == NULL)
1268 return;
1269
1270 if (sc->aue_dying)
1271 return;
1272
1273 /* Perform periodic stuff in process context. */
1274 usb_add_task(sc->aue_udev, &sc->aue_tick_task, USB_TASKQ_DRIVER);
1275 }
1276
1277 Static void
1278 aue_tick_task(void *xsc)
1279 {
1280 struct aue_softc *sc = xsc;
1281 struct ifnet *ifp;
1282 struct mii_data *mii;
1283 int s;
1284
1285 DPRINTFN(15,("%s: %s: enter\n", USBDEVNAME(sc->aue_dev),__func__));
1286
1287 if (sc->aue_dying)
1288 return;
1289
1290 ifp = GET_IFP(sc);
1291 mii = GET_MII(sc);
1292 if (mii == NULL)
1293 return;
1294
1295 s = splnet();
1296
1297 mii_tick(mii);
1298 if (!sc->aue_link) {
1299 mii_pollstat(mii); /* XXX FreeBSD has removed this call */
1300 if (mii->mii_media_status & IFM_ACTIVE &&
1301 IFM_SUBTYPE(mii->mii_media_active) != IFM_NONE) {
1302 DPRINTFN(2,("%s: %s: got link\n",
1303 USBDEVNAME(sc->aue_dev),__func__));
1304 sc->aue_link++;
1305 if (IFQ_IS_EMPTY(&ifp->if_snd) == 0)
1306 aue_start(ifp);
1307 }
1308 }
1309
1310 usb_callout(sc->aue_stat_ch, hz, aue_tick, sc);
1311
1312 splx(s);
1313 }
1314
1315 Static int
1316 aue_send(struct aue_softc *sc, struct mbuf *m, int idx)
1317 {
1318 int total_len;
1319 struct aue_chain *c;
1320 usbd_status err;
1321
1322 DPRINTFN(10,("%s: %s: enter\n", USBDEVNAME(sc->aue_dev),__func__));
1323
1324 c = &sc->aue_cdata.aue_tx_chain[idx];
1325
1326 /*
1327 * Copy the mbuf data into a contiguous buffer, leaving two
1328 * bytes at the beginning to hold the frame length.
1329 */
1330 m_copydata(m, 0, m->m_pkthdr.len, c->aue_buf + 2);
1331 c->aue_mbuf = m;
1332
1333 /*
1334 * The ADMtek documentation says that the packet length is
1335 * supposed to be specified in the first two bytes of the
1336 * transfer, however it actually seems to ignore this info
1337 * and base the frame size on the bulk transfer length.
1338 */
1339 c->aue_buf[0] = (u_int8_t)m->m_pkthdr.len;
1340 c->aue_buf[1] = (u_int8_t)(m->m_pkthdr.len >> 8);
1341 total_len = m->m_pkthdr.len + 2;
1342
1343 usbd_setup_xfer(c->aue_xfer, sc->aue_ep[AUE_ENDPT_TX],
1344 c, c->aue_buf, total_len, USBD_FORCE_SHORT_XFER | USBD_NO_COPY,
1345 AUE_TX_TIMEOUT, aue_txeof);
1346
1347 /* Transmit */
1348 err = usbd_transfer(c->aue_xfer);
1349 if (err != USBD_IN_PROGRESS) {
1350 printf("%s: aue_send error=%s\n", USBDEVNAME(sc->aue_dev),
1351 usbd_errstr(err));
1352 /* Stop the interface from process context. */
1353 usb_add_task(sc->aue_udev, &sc->aue_stop_task,
1354 USB_TASKQ_DRIVER);
1355 return (EIO);
1356 }
1357 DPRINTFN(5,("%s: %s: send %d bytes\n", USBDEVNAME(sc->aue_dev),
1358 __func__, total_len));
1359
1360 sc->aue_cdata.aue_tx_cnt++;
1361
1362 return (0);
1363 }
1364
1365 Static void
1366 aue_start(struct ifnet *ifp)
1367 {
1368 struct aue_softc *sc = ifp->if_softc;
1369 struct mbuf *m_head = NULL;
1370
1371 DPRINTFN(5,("%s: %s: enter, link=%d\n", USBDEVNAME(sc->aue_dev),
1372 __func__, sc->aue_link));
1373
1374 if (sc->aue_dying)
1375 return;
1376
1377 if (!sc->aue_link)
1378 return;
1379
1380 if (ifp->if_flags & IFF_OACTIVE)
1381 return;
1382
1383 IFQ_POLL(&ifp->if_snd, m_head);
1384 if (m_head == NULL)
1385 return;
1386
1387 if (aue_send(sc, m_head, 0)) {
1388 ifp->if_flags |= IFF_OACTIVE;
1389 return;
1390 }
1391
1392 IFQ_DEQUEUE(&ifp->if_snd, m_head);
1393
1394 #if NBPFILTER > 0
1395 /*
1396 * If there's a BPF listener, bounce a copy of this frame
1397 * to him.
1398 */
1399 if (ifp->if_bpf)
1400 BPF_MTAP(ifp, m_head);
1401 #endif
1402
1403 ifp->if_flags |= IFF_OACTIVE;
1404
1405 /*
1406 * Set a timeout in case the chip goes out to lunch.
1407 */
1408 ifp->if_timer = 5;
1409 }
1410
1411 Static void
1412 aue_init(void *xsc)
1413 {
1414 struct aue_softc *sc = xsc;
1415 struct ifnet *ifp = GET_IFP(sc);
1416 struct mii_data *mii = GET_MII(sc);
1417 int i, s;
1418 const u_char *eaddr;
1419
1420 DPRINTFN(5,("%s: %s: enter\n", USBDEVNAME(sc->aue_dev), __func__));
1421
1422 if (sc->aue_dying)
1423 return;
1424
1425 if (ifp->if_flags & IFF_RUNNING)
1426 return;
1427
1428 s = splnet();
1429
1430 /*
1431 * Cancel pending I/O and free all RX/TX buffers.
1432 */
1433 aue_reset(sc);
1434
1435 #if defined(__OpenBSD__)
1436 eaddr = sc->arpcom.ac_enaddr;
1437 #elif defined(__NetBSD__)
1438 eaddr = CLLADDR(ifp->if_sadl);
1439 #endif /* defined(__NetBSD__) */
1440 for (i = 0; i < ETHER_ADDR_LEN; i++)
1441 aue_csr_write_1(sc, AUE_PAR0 + i, eaddr[i]);
1442
1443 /* If we want promiscuous mode, set the allframes bit. */
1444 if (ifp->if_flags & IFF_PROMISC)
1445 AUE_SETBIT(sc, AUE_CTL2, AUE_CTL2_RX_PROMISC);
1446 else
1447 AUE_CLRBIT(sc, AUE_CTL2, AUE_CTL2_RX_PROMISC);
1448
1449 /* Init TX ring. */
1450 if (aue_tx_list_init(sc) == ENOBUFS) {
1451 printf("%s: tx list init failed\n", USBDEVNAME(sc->aue_dev));
1452 splx(s);
1453 return;
1454 }
1455
1456 /* Init RX ring. */
1457 if (aue_rx_list_init(sc) == ENOBUFS) {
1458 printf("%s: rx list init failed\n", USBDEVNAME(sc->aue_dev));
1459 splx(s);
1460 return;
1461 }
1462
1463 /* Load the multicast filter. */
1464 aue_setmulti(sc);
1465
1466 /* Enable RX and TX */
1467 aue_csr_write_1(sc, AUE_CTL0, AUE_CTL0_RXSTAT_APPEND | AUE_CTL0_RX_ENB);
1468 AUE_SETBIT(sc, AUE_CTL0, AUE_CTL0_TX_ENB);
1469 AUE_SETBIT(sc, AUE_CTL2, AUE_CTL2_EP3_CLR);
1470
1471 mii_mediachg(mii);
1472
1473 if (sc->aue_ep[AUE_ENDPT_RX] == NULL) {
1474 if (aue_openpipes(sc)) {
1475 splx(s);
1476 return;
1477 }
1478 }
1479
1480 ifp->if_flags |= IFF_RUNNING;
1481 ifp->if_flags &= ~IFF_OACTIVE;
1482
1483 splx(s);
1484
1485 usb_callout(sc->aue_stat_ch, hz, aue_tick, sc);
1486 }
1487
1488 Static int
1489 aue_openpipes(struct aue_softc *sc)
1490 {
1491 struct aue_chain *c;
1492 usbd_status err;
1493 int i;
1494
1495 /* Open RX and TX pipes. */
1496 err = usbd_open_pipe(sc->aue_iface, sc->aue_ed[AUE_ENDPT_RX],
1497 USBD_EXCLUSIVE_USE, &sc->aue_ep[AUE_ENDPT_RX]);
1498 if (err) {
1499 printf("%s: open rx pipe failed: %s\n",
1500 USBDEVNAME(sc->aue_dev), usbd_errstr(err));
1501 return (EIO);
1502 }
1503 err = usbd_open_pipe(sc->aue_iface, sc->aue_ed[AUE_ENDPT_TX],
1504 USBD_EXCLUSIVE_USE, &sc->aue_ep[AUE_ENDPT_TX]);
1505 if (err) {
1506 printf("%s: open tx pipe failed: %s\n",
1507 USBDEVNAME(sc->aue_dev), usbd_errstr(err));
1508 return (EIO);
1509 }
1510 err = usbd_open_pipe_intr(sc->aue_iface, sc->aue_ed[AUE_ENDPT_INTR],
1511 USBD_EXCLUSIVE_USE, &sc->aue_ep[AUE_ENDPT_INTR], sc,
1512 &sc->aue_cdata.aue_ibuf, AUE_INTR_PKTLEN, aue_intr,
1513 AUE_INTR_INTERVAL);
1514 if (err) {
1515 printf("%s: open intr pipe failed: %s\n",
1516 USBDEVNAME(sc->aue_dev), usbd_errstr(err));
1517 return (EIO);
1518 }
1519
1520 /* Start up the receive pipe. */
1521 for (i = 0; i < AUE_RX_LIST_CNT; i++) {
1522 c = &sc->aue_cdata.aue_rx_chain[i];
1523 usbd_setup_xfer(c->aue_xfer, sc->aue_ep[AUE_ENDPT_RX],
1524 c, c->aue_buf, AUE_BUFSZ,
1525 USBD_SHORT_XFER_OK | USBD_NO_COPY, USBD_NO_TIMEOUT,
1526 aue_rxeof);
1527 (void)usbd_transfer(c->aue_xfer); /* XXX */
1528 DPRINTFN(5,("%s: %s: start read\n", USBDEVNAME(sc->aue_dev),
1529 __func__));
1530
1531 }
1532 return (0);
1533 }
1534
1535 /*
1536 * Set media options.
1537 */
1538 Static int
1539 aue_ifmedia_upd(struct ifnet *ifp)
1540 {
1541 struct aue_softc *sc = ifp->if_softc;
1542 struct mii_data *mii = GET_MII(sc);
1543
1544 DPRINTFN(5,("%s: %s: enter\n", USBDEVNAME(sc->aue_dev), __func__));
1545
1546 if (sc->aue_dying)
1547 return (0);
1548
1549 sc->aue_link = 0;
1550 if (mii->mii_instance) {
1551 struct mii_softc *miisc;
1552 for (miisc = LIST_FIRST(&mii->mii_phys); miisc != NULL;
1553 miisc = LIST_NEXT(miisc, mii_list))
1554 mii_phy_reset(miisc);
1555 }
1556 mii_mediachg(mii);
1557
1558 return (0);
1559 }
1560
1561 /*
1562 * Report current media status.
1563 */
1564 Static void
1565 aue_ifmedia_sts(struct ifnet *ifp, struct ifmediareq *ifmr)
1566 {
1567 struct aue_softc *sc = ifp->if_softc;
1568 struct mii_data *mii = GET_MII(sc);
1569
1570 DPRINTFN(5,("%s: %s: enter\n", USBDEVNAME(sc->aue_dev), __func__));
1571
1572 mii_pollstat(mii);
1573 ifmr->ifm_active = mii->mii_media_active;
1574 ifmr->ifm_status = mii->mii_media_status;
1575 }
1576
1577 Static int
1578 aue_ioctl(struct ifnet *ifp, u_long command, void *data)
1579 {
1580 struct aue_softc *sc = ifp->if_softc;
1581 struct ifaddr *ifa = (struct ifaddr *)data;
1582 struct ifreq *ifr = (struct ifreq *)data;
1583 struct mii_data *mii;
1584 int s, error = 0;
1585
1586 if (sc->aue_dying)
1587 return (EIO);
1588
1589 s = splnet();
1590
1591 switch(command) {
1592 case SIOCSIFADDR:
1593 ifp->if_flags |= IFF_UP;
1594 aue_init(sc);
1595
1596 switch (ifa->ifa_addr->sa_family) {
1597 #ifdef INET
1598 case AF_INET:
1599 #if defined(__NetBSD__)
1600 arp_ifinit(ifp, ifa);
1601 #else
1602 arp_ifinit(&sc->arpcom, ifa);
1603 #endif
1604 break;
1605 #endif /* INET */
1606 }
1607 break;
1608
1609 case SIOCSIFMTU:
1610 if (ifr->ifr_mtu > ETHERMTU)
1611 error = EINVAL;
1612 else
1613 ifp->if_mtu = ifr->ifr_mtu;
1614 break;
1615
1616 case SIOCSIFFLAGS:
1617 if (ifp->if_flags & IFF_UP) {
1618 if (ifp->if_flags & IFF_RUNNING &&
1619 ifp->if_flags & IFF_PROMISC &&
1620 !(sc->aue_if_flags & IFF_PROMISC)) {
1621 AUE_SETBIT(sc, AUE_CTL2, AUE_CTL2_RX_PROMISC);
1622 } else if (ifp->if_flags & IFF_RUNNING &&
1623 !(ifp->if_flags & IFF_PROMISC) &&
1624 sc->aue_if_flags & IFF_PROMISC) {
1625 AUE_CLRBIT(sc, AUE_CTL2, AUE_CTL2_RX_PROMISC);
1626 } else if (!(ifp->if_flags & IFF_RUNNING))
1627 aue_init(sc);
1628 } else {
1629 if (ifp->if_flags & IFF_RUNNING)
1630 aue_stop(sc);
1631 }
1632 sc->aue_if_flags = ifp->if_flags;
1633 error = 0;
1634 break;
1635 case SIOCADDMULTI:
1636 case SIOCDELMULTI:
1637 if ((error = ether_ioctl(ifp, command, data)) == ENETRESET) {
1638 if (ifp->if_flags & IFF_RUNNING) {
1639 #if defined(__NetBSD__)
1640 workqueue_enqueue(sc->wqp,&sc->wk, NULL);
1641 /* XXX */
1642 #else
1643 aue_init(sc);
1644 aue_setmulti(sc);
1645 #endif
1646 }
1647 error = 0;
1648 }
1649 break;
1650 case SIOCGIFMEDIA:
1651 case SIOCSIFMEDIA:
1652 mii = GET_MII(sc);
1653 error = ifmedia_ioctl(ifp, ifr, &mii->mii_media, command);
1654 break;
1655 default:
1656 error = EINVAL;
1657 break;
1658 }
1659
1660 splx(s);
1661
1662 return (error);
1663 }
1664
1665 Static void
1666 aue_watchdog(struct ifnet *ifp)
1667 {
1668 struct aue_softc *sc = ifp->if_softc;
1669 struct aue_chain *c;
1670 usbd_status stat;
1671 int s;
1672
1673 DPRINTFN(5,("%s: %s: enter\n", USBDEVNAME(sc->aue_dev), __func__));
1674
1675 ifp->if_oerrors++;
1676 printf("%s: watchdog timeout\n", USBDEVNAME(sc->aue_dev));
1677
1678 s = splusb();
1679 c = &sc->aue_cdata.aue_tx_chain[0];
1680 usbd_get_xfer_status(c->aue_xfer, NULL, NULL, NULL, &stat);
1681 aue_txeof(c->aue_xfer, c, stat);
1682
1683 if (IFQ_IS_EMPTY(&ifp->if_snd) == 0)
1684 aue_start(ifp);
1685 splx(s);
1686 }
1687
1688 /*
1689 * Stop the adapter and free any mbufs allocated to the
1690 * RX and TX lists.
1691 */
1692 Static void
1693 aue_stop(struct aue_softc *sc)
1694 {
1695 usbd_status err;
1696 struct ifnet *ifp;
1697 int i;
1698
1699 DPRINTFN(5,("%s: %s: enter\n", USBDEVNAME(sc->aue_dev), __func__));
1700
1701 ifp = GET_IFP(sc);
1702 ifp->if_timer = 0;
1703
1704 aue_csr_write_1(sc, AUE_CTL0, 0);
1705 aue_csr_write_1(sc, AUE_CTL1, 0);
1706 aue_reset(sc);
1707 usb_uncallout(sc->aue_stat_ch, aue_tick, sc);
1708
1709 /* Stop transfers. */
1710 if (sc->aue_ep[AUE_ENDPT_RX] != NULL) {
1711 err = usbd_abort_pipe(sc->aue_ep[AUE_ENDPT_RX]);
1712 if (err) {
1713 printf("%s: abort rx pipe failed: %s\n",
1714 USBDEVNAME(sc->aue_dev), usbd_errstr(err));
1715 }
1716 err = usbd_close_pipe(sc->aue_ep[AUE_ENDPT_RX]);
1717 if (err) {
1718 printf("%s: close rx pipe failed: %s\n",
1719 USBDEVNAME(sc->aue_dev), usbd_errstr(err));
1720 }
1721 sc->aue_ep[AUE_ENDPT_RX] = NULL;
1722 }
1723
1724 if (sc->aue_ep[AUE_ENDPT_TX] != NULL) {
1725 err = usbd_abort_pipe(sc->aue_ep[AUE_ENDPT_TX]);
1726 if (err) {
1727 printf("%s: abort tx pipe failed: %s\n",
1728 USBDEVNAME(sc->aue_dev), usbd_errstr(err));
1729 }
1730 err = usbd_close_pipe(sc->aue_ep[AUE_ENDPT_TX]);
1731 if (err) {
1732 printf("%s: close tx pipe failed: %s\n",
1733 USBDEVNAME(sc->aue_dev), usbd_errstr(err));
1734 }
1735 sc->aue_ep[AUE_ENDPT_TX] = NULL;
1736 }
1737
1738 if (sc->aue_ep[AUE_ENDPT_INTR] != NULL) {
1739 err = usbd_abort_pipe(sc->aue_ep[AUE_ENDPT_INTR]);
1740 if (err) {
1741 printf("%s: abort intr pipe failed: %s\n",
1742 USBDEVNAME(sc->aue_dev), usbd_errstr(err));
1743 }
1744 err = usbd_close_pipe(sc->aue_ep[AUE_ENDPT_INTR]);
1745 if (err) {
1746 printf("%s: close intr pipe failed: %s\n",
1747 USBDEVNAME(sc->aue_dev), usbd_errstr(err));
1748 }
1749 sc->aue_ep[AUE_ENDPT_INTR] = NULL;
1750 }
1751
1752 /* Free RX resources. */
1753 for (i = 0; i < AUE_RX_LIST_CNT; i++) {
1754 if (sc->aue_cdata.aue_rx_chain[i].aue_mbuf != NULL) {
1755 m_freem(sc->aue_cdata.aue_rx_chain[i].aue_mbuf);
1756 sc->aue_cdata.aue_rx_chain[i].aue_mbuf = NULL;
1757 }
1758 if (sc->aue_cdata.aue_rx_chain[i].aue_xfer != NULL) {
1759 usbd_free_xfer(sc->aue_cdata.aue_rx_chain[i].aue_xfer);
1760 sc->aue_cdata.aue_rx_chain[i].aue_xfer = NULL;
1761 }
1762 }
1763
1764 /* Free TX resources. */
1765 for (i = 0; i < AUE_TX_LIST_CNT; i++) {
1766 if (sc->aue_cdata.aue_tx_chain[i].aue_mbuf != NULL) {
1767 m_freem(sc->aue_cdata.aue_tx_chain[i].aue_mbuf);
1768 sc->aue_cdata.aue_tx_chain[i].aue_mbuf = NULL;
1769 }
1770 if (sc->aue_cdata.aue_tx_chain[i].aue_xfer != NULL) {
1771 usbd_free_xfer(sc->aue_cdata.aue_tx_chain[i].aue_xfer);
1772 sc->aue_cdata.aue_tx_chain[i].aue_xfer = NULL;
1773 }
1774 }
1775
1776 sc->aue_link = 0;
1777
1778 ifp->if_flags &= ~(IFF_RUNNING | IFF_OACTIVE);
1779 }
1780
1781 #if defined(__NetBSD__)
1782 Static void
1783 aue_multiwork(struct work *wkp, void *arg) {
1784 struct aue_softc *sc;
1785
1786 sc = (struct aue_softc *)arg;
1787 (void)wkp;
1788
1789 aue_init(sc);
1790 /* XXX called by aue_init, but rc ifconfig hangs without it: */
1791 aue_setmulti(sc);
1792 }
1793 #endif
1794