if_aue.c revision 1.99.8.1 1 /* $NetBSD: if_aue.c,v 1.99.8.1 2008/06/03 20:47:34 skrll 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 1.99.8.1 2008/06/03 20:47:34 skrll 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/lock.h>
94 #include <sys/mbuf.h>
95 #include <sys/malloc.h>
96 #include <sys/kernel.h>
97 #include <sys/socket.h>
98
99 #include <sys/device.h>
100 #if NRND > 0
101 #include <sys/rnd.h>
102 #endif
103
104 #include <net/if.h>
105 #if defined(__NetBSD__)
106 #include <net/if_arp.h>
107 #endif
108 #include <net/if_dl.h>
109 #include <net/if_media.h>
110
111 #define BPF_MTAP(ifp, m) bpf_mtap((ifp)->if_bpf, (m))
112
113 #if NBPFILTER > 0
114 #include <net/bpf.h>
115 #endif
116
117 #if defined(__NetBSD__)
118 #include <net/if_ether.h>
119 #ifdef INET
120 #include <netinet/in.h>
121 #include <netinet/if_inarp.h>
122 #endif
123 #endif /* defined(__NetBSD__) */
124
125 #if defined(__OpenBSD__)
126 #ifdef INET
127 #include <netinet/in.h>
128 #include <netinet/in_systm.h>
129 #include <netinet/in_var.h>
130 #include <netinet/ip.h>
131 #include <netinet/if_ether.h>
132 #endif
133 #endif /* defined(__OpenBSD__) */
134
135
136 #include <dev/mii/mii.h>
137 #include <dev/mii/miivar.h>
138
139 #include <dev/usb/usb.h>
140 #include <dev/usb/usbdi.h>
141 #include <dev/usb/usbdi_util.h>
142 #include <dev/usb/usbdevs.h>
143
144 #if defined(__NetBSD__)
145 #include <sys/kthread.h>
146 #endif
147
148 #include <dev/usb/if_auereg.h>
149
150 #ifdef AUE_DEBUG
151 #define DPRINTF(x) if (auedebug) logprintf x
152 #define DPRINTFN(n,x) if (auedebug >= (n)) logprintf x
153 int auedebug = 0;
154 #else
155 #define DPRINTF(x)
156 #define DPRINTFN(n,x)
157 #endif
158
159 /*
160 * Various supported device vendors/products.
161 */
162 struct aue_type {
163 struct usb_devno aue_dev;
164 u_int16_t aue_flags;
165 #define LSYS 0x0001 /* use Linksys reset */
166 #define PNA 0x0002 /* has Home PNA */
167 #define PII 0x0004 /* Pegasus II chip */
168 };
169
170 Static const struct aue_type aue_devs[] = {
171 {{ USB_VENDOR_3COM, USB_PRODUCT_3COM_3C460B}, PII },
172 {{ USB_VENDOR_ABOCOM, USB_PRODUCT_ABOCOM_XX1}, PNA|PII },
173 {{ USB_VENDOR_ABOCOM, USB_PRODUCT_ABOCOM_XX2}, PII },
174 {{ USB_VENDOR_ABOCOM, USB_PRODUCT_ABOCOM_UFE1000}, LSYS },
175 {{ USB_VENDOR_ABOCOM, USB_PRODUCT_ABOCOM_XX4}, PNA },
176 {{ USB_VENDOR_ABOCOM, USB_PRODUCT_ABOCOM_XX5}, PNA },
177 {{ USB_VENDOR_ABOCOM, USB_PRODUCT_ABOCOM_XX6}, PII },
178 {{ USB_VENDOR_ABOCOM, USB_PRODUCT_ABOCOM_XX7}, PII },
179 {{ USB_VENDOR_ABOCOM, USB_PRODUCT_ABOCOM_XX8}, PII },
180 {{ USB_VENDOR_ABOCOM, USB_PRODUCT_ABOCOM_XX9}, PNA },
181 {{ USB_VENDOR_ABOCOM, USB_PRODUCT_ABOCOM_XX10}, 0 },
182 {{ USB_VENDOR_ABOCOM, USB_PRODUCT_ABOCOM_DSB650TX_PNA}, 0 },
183 {{ USB_VENDOR_ACCTON, USB_PRODUCT_ACCTON_USB320_EC}, 0 },
184 {{ USB_VENDOR_ACCTON, USB_PRODUCT_ACCTON_SS1001}, PII },
185 {{ USB_VENDOR_ADMTEK, USB_PRODUCT_ADMTEK_PEGASUS}, PNA },
186 {{ USB_VENDOR_ADMTEK, USB_PRODUCT_ADMTEK_PEGASUSII}, PII },
187 {{ USB_VENDOR_ADMTEK, USB_PRODUCT_ADMTEK_PEGASUSII_2}, PII },
188 {{ USB_VENDOR_ADMTEK, USB_PRODUCT_ADMTEK_PEGASUSII_3}, PII },
189 {{ USB_VENDOR_AEI, USB_PRODUCT_AEI_USBTOLAN}, PII },
190 {{ USB_VENDOR_BELKIN, USB_PRODUCT_BELKIN_USB2LAN}, PII },
191 {{ USB_VENDOR_BILLIONTON, USB_PRODUCT_BILLIONTON_USB100}, 0 },
192 {{ USB_VENDOR_BILLIONTON, USB_PRODUCT_BILLIONTON_USBLP100}, PNA },
193 {{ USB_VENDOR_BILLIONTON, USB_PRODUCT_BILLIONTON_USBEL100}, 0 },
194 {{ USB_VENDOR_BILLIONTON, USB_PRODUCT_BILLIONTON_USBE100}, PII },
195 {{ USB_VENDOR_COMPAQ, USB_PRODUCT_COMPAQ_HNE200}, PII },
196 {{ USB_VENDOR_COREGA, USB_PRODUCT_COREGA_FETHER_USB_TX}, 0 },
197 {{ USB_VENDOR_COREGA, USB_PRODUCT_COREGA_FETHER_USB_TXS},PII },
198 {{ USB_VENDOR_DLINK, USB_PRODUCT_DLINK_DSB650TX4}, LSYS|PII },
199 {{ USB_VENDOR_DLINK, USB_PRODUCT_DLINK_DSB650TX1}, LSYS },
200 {{ USB_VENDOR_DLINK, USB_PRODUCT_DLINK_DSB650TX}, LSYS },
201 {{ USB_VENDOR_DLINK, USB_PRODUCT_DLINK_DSB650TX_PNA}, PNA },
202 {{ USB_VENDOR_DLINK, USB_PRODUCT_DLINK_DSB650TX3}, LSYS|PII },
203 {{ USB_VENDOR_DLINK, USB_PRODUCT_DLINK_DSB650TX2}, LSYS|PII },
204 {{ USB_VENDOR_DLINK, USB_PRODUCT_DLINK_DSB650}, 0 },
205 {{ USB_VENDOR_ELECOM, USB_PRODUCT_ELECOM_LDUSBTX0}, 0 },
206 {{ USB_VENDOR_ELECOM, USB_PRODUCT_ELECOM_LDUSBTX1}, LSYS },
207 {{ USB_VENDOR_ELECOM, USB_PRODUCT_ELECOM_LDUSBTX2}, 0 },
208 {{ USB_VENDOR_ELECOM, USB_PRODUCT_ELECOM_LDUSBTX3}, LSYS },
209 {{ USB_VENDOR_ELECOM, USB_PRODUCT_ELECOM_LDUSBLTX}, PII },
210 {{ USB_VENDOR_ELSA, USB_PRODUCT_ELSA_USB2ETHERNET}, 0 },
211 {{ USB_VENDOR_HAWKING, USB_PRODUCT_HAWKING_UF100}, PII },
212 {{ USB_VENDOR_HP, USB_PRODUCT_HP_HN210E}, PII },
213 {{ USB_VENDOR_IODATA, USB_PRODUCT_IODATA_USBETTX}, 0 },
214 {{ USB_VENDOR_IODATA, USB_PRODUCT_IODATA_USBETTXS}, PII },
215 {{ USB_VENDOR_KINGSTON, USB_PRODUCT_KINGSTON_KNU101TX}, 0 },
216 {{ USB_VENDOR_LINKSYS, USB_PRODUCT_LINKSYS_USB10TX1}, LSYS|PII },
217 {{ USB_VENDOR_LINKSYS, USB_PRODUCT_LINKSYS_USB10T}, LSYS },
218 {{ USB_VENDOR_LINKSYS, USB_PRODUCT_LINKSYS_USB100TX}, LSYS },
219 {{ USB_VENDOR_LINKSYS, USB_PRODUCT_LINKSYS_USB100H1}, LSYS|PNA },
220 {{ USB_VENDOR_LINKSYS, USB_PRODUCT_LINKSYS_USB10TA}, LSYS },
221 {{ USB_VENDOR_LINKSYS, USB_PRODUCT_LINKSYS_USB10TX2}, LSYS|PII },
222 {{ USB_VENDOR_MELCO, USB_PRODUCT_MELCO_LUATX1}, 0 },
223 {{ USB_VENDOR_MELCO, USB_PRODUCT_MELCO_LUATX5}, 0 },
224 {{ USB_VENDOR_MELCO, USB_PRODUCT_MELCO_LUA2TX5}, PII },
225 {{ USB_VENDOR_MICROSOFT, USB_PRODUCT_MICROSOFT_MN110}, PII },
226 {{ USB_VENDOR_NETGEAR, USB_PRODUCT_NETGEAR_FA101}, PII },
227 {{ USB_VENDOR_SIEMENS, USB_PRODUCT_SIEMENS_SPEEDSTREAM}, PII },
228 {{ USB_VENDOR_SMARTBRIDGES, USB_PRODUCT_SMARTBRIDGES_SMARTNIC},PII },
229 {{ USB_VENDOR_SMC, USB_PRODUCT_SMC_2202USB}, 0 },
230 {{ USB_VENDOR_SMC, USB_PRODUCT_SMC_2206USB}, PII },
231 {{ USB_VENDOR_SOHOWARE, USB_PRODUCT_SOHOWARE_NUB100}, 0 },
232 };
233 #define aue_lookup(v, p) ((const struct aue_type *)usb_lookup(aue_devs, v, p))
234
235 USB_DECLARE_DRIVER(aue);
236
237 #if defined(__NetBSD__)
238 Static void aue_multithread(void *);
239 #endif
240
241 Static void aue_reset_pegasus_II(struct aue_softc *sc);
242 Static int aue_tx_list_init(struct aue_softc *);
243 Static int aue_rx_list_init(struct aue_softc *);
244 Static int aue_newbuf(struct aue_softc *, struct aue_chain *, struct mbuf *);
245 Static int aue_send(struct aue_softc *, struct mbuf *, int);
246 Static void aue_intr(usbd_xfer_handle, usbd_private_handle, usbd_status);
247 Static void aue_rxeof(usbd_xfer_handle, usbd_private_handle, usbd_status);
248 Static void aue_txeof(usbd_xfer_handle, usbd_private_handle, usbd_status);
249 Static void aue_tick(void *);
250 Static void aue_tick_task(void *);
251 Static void aue_start(struct ifnet *);
252 Static int aue_ioctl(struct ifnet *, u_long, caddr_t);
253 Static void aue_init(void *);
254 Static void aue_stop(struct aue_softc *);
255 Static void aue_watchdog(struct ifnet *);
256 Static int aue_openpipes(struct aue_softc *);
257 Static int aue_ifmedia_upd(struct ifnet *);
258 Static void aue_ifmedia_sts(struct ifnet *, struct ifmediareq *);
259
260 Static int aue_eeprom_getword(struct aue_softc *, int);
261 Static void aue_read_mac(struct aue_softc *, u_char *);
262 Static int aue_miibus_readreg(device_ptr_t, int, int);
263 Static void aue_miibus_writereg(device_ptr_t, int, int, int);
264 Static void aue_miibus_statchg(device_ptr_t);
265
266 Static void aue_lock_mii(struct aue_softc *);
267 Static void aue_unlock_mii(struct aue_softc *);
268
269 Static void aue_setmulti(struct aue_softc *);
270 Static u_int32_t aue_crc(caddr_t);
271 Static void aue_reset(struct aue_softc *);
272
273 Static int aue_csr_read_1(struct aue_softc *, int);
274 Static int aue_csr_write_1(struct aue_softc *, int, int);
275 Static int aue_csr_read_2(struct aue_softc *, int);
276 Static int aue_csr_write_2(struct aue_softc *, int, int);
277
278 #define AUE_SETBIT(sc, reg, x) \
279 aue_csr_write_1(sc, reg, aue_csr_read_1(sc, reg) | (x))
280
281 #define AUE_CLRBIT(sc, reg, x) \
282 aue_csr_write_1(sc, reg, aue_csr_read_1(sc, reg) & ~(x))
283
284 Static int
285 aue_csr_read_1(struct aue_softc *sc, int reg)
286 {
287 usb_device_request_t req;
288 usbd_status err;
289 uByte val = 0;
290
291 if (sc->aue_dying)
292 return (0);
293
294 req.bmRequestType = UT_READ_VENDOR_DEVICE;
295 req.bRequest = AUE_UR_READREG;
296 USETW(req.wValue, 0);
297 USETW(req.wIndex, reg);
298 USETW(req.wLength, 1);
299
300 err = usbd_do_request(sc->aue_udev, &req, &val);
301
302 if (err) {
303 DPRINTF(("%s: aue_csr_read_1: reg=0x%x err=%s\n",
304 USBDEVNAME(sc->aue_dev), reg, usbd_errstr(err)));
305 return (0);
306 }
307
308 return (val);
309 }
310
311 Static int
312 aue_csr_read_2(struct aue_softc *sc, int reg)
313 {
314 usb_device_request_t req;
315 usbd_status err;
316 uWord val;
317
318 if (sc->aue_dying)
319 return (0);
320
321 req.bmRequestType = UT_READ_VENDOR_DEVICE;
322 req.bRequest = AUE_UR_READREG;
323 USETW(req.wValue, 0);
324 USETW(req.wIndex, reg);
325 USETW(req.wLength, 2);
326
327 err = usbd_do_request(sc->aue_udev, &req, &val);
328
329 if (err) {
330 DPRINTF(("%s: aue_csr_read_2: reg=0x%x err=%s\n",
331 USBDEVNAME(sc->aue_dev), reg, usbd_errstr(err)));
332 return (0);
333 }
334
335 return (UGETW(val));
336 }
337
338 Static int
339 aue_csr_write_1(struct aue_softc *sc, int reg, int aval)
340 {
341 usb_device_request_t req;
342 usbd_status err;
343 uByte val;
344
345 if (sc->aue_dying)
346 return (0);
347
348 val = aval;
349 req.bmRequestType = UT_WRITE_VENDOR_DEVICE;
350 req.bRequest = AUE_UR_WRITEREG;
351 USETW(req.wValue, val);
352 USETW(req.wIndex, reg);
353 USETW(req.wLength, 1);
354
355 err = usbd_do_request(sc->aue_udev, &req, &val);
356
357 if (err) {
358 DPRINTF(("%s: aue_csr_write_1: reg=0x%x err=%s\n",
359 USBDEVNAME(sc->aue_dev), reg, usbd_errstr(err)));
360 return (-1);
361 }
362
363 return (0);
364 }
365
366 Static int
367 aue_csr_write_2(struct aue_softc *sc, int reg, int aval)
368 {
369 usb_device_request_t req;
370 usbd_status err;
371 uWord val;
372
373 if (sc->aue_dying)
374 return (0);
375
376 USETW(val, aval);
377 req.bmRequestType = UT_WRITE_VENDOR_DEVICE;
378 req.bRequest = AUE_UR_WRITEREG;
379 USETW(req.wValue, aval);
380 USETW(req.wIndex, reg);
381 USETW(req.wLength, 2);
382
383 err = usbd_do_request(sc->aue_udev, &req, &val);
384
385 if (err) {
386 DPRINTF(("%s: aue_csr_write_2: reg=0x%x err=%s\n",
387 USBDEVNAME(sc->aue_dev), reg, usbd_errstr(err)));
388 return (-1);
389 }
390
391 return (0);
392 }
393
394 /*
395 * Read a word of data stored in the EEPROM at address 'addr.'
396 */
397 Static int
398 aue_eeprom_getword(struct aue_softc *sc, int addr)
399 {
400 int i;
401
402 aue_csr_write_1(sc, AUE_EE_REG, addr);
403 aue_csr_write_1(sc, AUE_EE_CTL, AUE_EECTL_READ);
404
405 for (i = 0; i < AUE_TIMEOUT; i++) {
406 if (aue_csr_read_1(sc, AUE_EE_CTL) & AUE_EECTL_DONE)
407 break;
408 }
409
410 if (i == AUE_TIMEOUT) {
411 printf("%s: EEPROM read timed out\n",
412 USBDEVNAME(sc->aue_dev));
413 }
414
415 return (aue_csr_read_2(sc, AUE_EE_DATA));
416 }
417
418 /*
419 * Read the MAC from the EEPROM. It's at offset 0.
420 */
421 Static void
422 aue_read_mac(struct aue_softc *sc, u_char *dest)
423 {
424 int i;
425 int off = 0;
426 int word;
427
428 DPRINTFN(5,("%s: %s: enter\n", USBDEVNAME(sc->aue_dev), __func__));
429
430 for (i = 0; i < 3; i++) {
431 word = aue_eeprom_getword(sc, off + i);
432 dest[2 * i] = (u_char)word;
433 dest[2 * i + 1] = (u_char)(word >> 8);
434 }
435 }
436
437 /* Get exclusive access to the MII registers */
438 Static void
439 aue_lock_mii(struct aue_softc *sc)
440 {
441 sc->aue_refcnt++;
442 lockmgr(&sc->aue_mii_lock, LK_EXCLUSIVE, NULL);
443 }
444
445 Static void
446 aue_unlock_mii(struct aue_softc *sc)
447 {
448 lockmgr(&sc->aue_mii_lock, LK_RELEASE, NULL);
449 if (--sc->aue_refcnt < 0)
450 usb_detach_wakeup(USBDEV(sc->aue_dev));
451 }
452
453 Static int
454 aue_miibus_readreg(device_ptr_t dev, int phy, int reg)
455 {
456 struct aue_softc *sc = USBGETSOFTC(dev);
457 int i;
458 u_int16_t val;
459
460 if (sc->aue_dying) {
461 #ifdef DIAGNOSTIC
462 printf("%s: dying\n", USBDEVNAME(sc->aue_dev));
463 #endif
464 return 0;
465 }
466
467 #if 0
468 /*
469 * The Am79C901 HomePNA PHY actually contains
470 * two transceivers: a 1Mbps HomePNA PHY and a
471 * 10Mbps full/half duplex ethernet PHY with
472 * NWAY autoneg. However in the ADMtek adapter,
473 * only the 1Mbps PHY is actually connected to
474 * anything, so we ignore the 10Mbps one. It
475 * happens to be configured for MII address 3,
476 * so we filter that out.
477 */
478 if (sc->aue_vendor == USB_VENDOR_ADMTEK &&
479 sc->aue_product == USB_PRODUCT_ADMTEK_PEGASUS) {
480 if (phy == 3)
481 return (0);
482 }
483 #endif
484
485 aue_lock_mii(sc);
486 aue_csr_write_1(sc, AUE_PHY_ADDR, phy);
487 aue_csr_write_1(sc, AUE_PHY_CTL, reg | AUE_PHYCTL_READ);
488
489 for (i = 0; i < AUE_TIMEOUT; i++) {
490 if (aue_csr_read_1(sc, AUE_PHY_CTL) & AUE_PHYCTL_DONE)
491 break;
492 }
493
494 if (i == AUE_TIMEOUT) {
495 printf("%s: MII read timed out\n", USBDEVNAME(sc->aue_dev));
496 }
497
498 val = aue_csr_read_2(sc, AUE_PHY_DATA);
499
500 DPRINTFN(11,("%s: %s: phy=%d reg=%d => 0x%04x\n",
501 USBDEVNAME(sc->aue_dev), __func__, phy, reg, val));
502
503 aue_unlock_mii(sc);
504 return (val);
505 }
506
507 Static void
508 aue_miibus_writereg(device_ptr_t dev, int phy, int reg, int data)
509 {
510 struct aue_softc *sc = USBGETSOFTC(dev);
511 int i;
512
513 #if 0
514 if (sc->aue_vendor == USB_VENDOR_ADMTEK &&
515 sc->aue_product == USB_PRODUCT_ADMTEK_PEGASUS) {
516 if (phy == 3)
517 return;
518 }
519 #endif
520
521 DPRINTFN(11,("%s: %s: phy=%d reg=%d data=0x%04x\n",
522 USBDEVNAME(sc->aue_dev), __func__, phy, reg, data));
523
524 aue_lock_mii(sc);
525 aue_csr_write_2(sc, AUE_PHY_DATA, data);
526 aue_csr_write_1(sc, AUE_PHY_ADDR, phy);
527 aue_csr_write_1(sc, AUE_PHY_CTL, reg | AUE_PHYCTL_WRITE);
528
529 for (i = 0; i < AUE_TIMEOUT; i++) {
530 if (aue_csr_read_1(sc, AUE_PHY_CTL) & AUE_PHYCTL_DONE)
531 break;
532 }
533
534 if (i == AUE_TIMEOUT) {
535 printf("%s: MII read timed out\n",
536 USBDEVNAME(sc->aue_dev));
537 }
538 aue_unlock_mii(sc);
539 }
540
541 Static void
542 aue_miibus_statchg(device_ptr_t dev)
543 {
544 struct aue_softc *sc = USBGETSOFTC(dev);
545 struct mii_data *mii = GET_MII(sc);
546
547 DPRINTFN(5,("%s: %s: enter\n", USBDEVNAME(sc->aue_dev), __func__));
548
549 aue_lock_mii(sc);
550 AUE_CLRBIT(sc, AUE_CTL0, AUE_CTL0_RX_ENB | AUE_CTL0_TX_ENB);
551
552 if (IFM_SUBTYPE(mii->mii_media_active) == IFM_100_TX) {
553 AUE_SETBIT(sc, AUE_CTL1, AUE_CTL1_SPEEDSEL);
554 } else {
555 AUE_CLRBIT(sc, AUE_CTL1, AUE_CTL1_SPEEDSEL);
556 }
557
558 if ((mii->mii_media_active & IFM_GMASK) == IFM_FDX)
559 AUE_SETBIT(sc, AUE_CTL1, AUE_CTL1_DUPLEX);
560 else
561 AUE_CLRBIT(sc, AUE_CTL1, AUE_CTL1_DUPLEX);
562
563 AUE_SETBIT(sc, AUE_CTL0, AUE_CTL0_RX_ENB | AUE_CTL0_TX_ENB);
564 aue_unlock_mii(sc);
565
566 /*
567 * Set the LED modes on the LinkSys adapter.
568 * This turns on the 'dual link LED' bin in the auxmode
569 * register of the Broadcom PHY.
570 */
571 if (!sc->aue_dying && (sc->aue_flags & LSYS)) {
572 u_int16_t auxmode;
573 auxmode = aue_miibus_readreg(dev, 0, 0x1b);
574 aue_miibus_writereg(dev, 0, 0x1b, auxmode | 0x04);
575 }
576 DPRINTFN(5,("%s: %s: exit\n", USBDEVNAME(sc->aue_dev), __func__));
577 }
578
579 #define AUE_POLY 0xEDB88320
580 #define AUE_BITS 6
581
582 Static u_int32_t
583 aue_crc(caddr_t addr)
584 {
585 u_int32_t idx, bit, data, crc;
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 if (uaa->iface != NULL)
716 return (UMATCH_NONE);
717
718 return (aue_lookup(uaa->vendor, uaa->product) != NULL ?
719 UMATCH_VENDOR_PRODUCT : UMATCH_NONE);
720 }
721
722 /*
723 * Attach the interface. Allocate softc structures, do ifmedia
724 * setup and ethernet/BPF attach.
725 */
726 USB_ATTACH(aue)
727 {
728 USB_ATTACH_START(aue, sc, uaa);
729 char *devinfop;
730 int s;
731 u_char eaddr[ETHER_ADDR_LEN];
732 struct ifnet *ifp;
733 struct mii_data *mii;
734 usbd_device_handle dev = uaa->device;
735 usbd_interface_handle iface;
736 usbd_status err;
737 usb_interface_descriptor_t *id;
738 usb_endpoint_descriptor_t *ed;
739 int i;
740
741 DPRINTFN(5,(" : aue_attach: sc=%p", sc));
742
743 devinfop = usbd_devinfo_alloc(uaa->device, 0);
744 USB_ATTACH_SETUP;
745 printf("%s: %s\n", USBDEVNAME(sc->aue_dev), devinfop);
746 usbd_devinfo_free(devinfop);
747
748 err = usbd_set_config_no(dev, AUE_CONFIG_NO, 1);
749 if (err) {
750 printf("%s: setting config no failed\n",
751 USBDEVNAME(sc->aue_dev));
752 USB_ATTACH_ERROR_RETURN;
753 }
754
755 usb_init_task(&sc->aue_tick_task, aue_tick_task, sc);
756 usb_init_task(&sc->aue_stop_task, (void (*)(void *))aue_stop, sc);
757 lockinit(&sc->aue_mii_lock, PZERO, "auemii", 0, 0);
758
759 err = usbd_device2interface_handle(dev, AUE_IFACE_IDX, &iface);
760 if (err) {
761 printf("%s: getting interface handle failed\n",
762 USBDEVNAME(sc->aue_dev));
763 USB_ATTACH_ERROR_RETURN;
764 }
765 #if defined(__NetBSD__)
766 sc->aue_closing = 0;
767 err = kthread_create1(aue_multithread, sc, &sc->aue_thread,
768 "%s-mc", USBDEVNAME(sc->aue_dev));
769
770 if (err) {
771 printf("%s: creating multicast configuration thread\n",
772 USBDEVNAME(sc->aue_dev));
773 USB_ATTACH_ERROR_RETURN;
774 }
775 #endif
776 sc->aue_flags = aue_lookup(uaa->vendor, uaa->product)->aue_flags;
777
778 sc->aue_udev = dev;
779 sc->aue_iface = iface;
780 sc->aue_product = uaa->product;
781 sc->aue_vendor = uaa->vendor;
782
783 id = usbd_get_interface_descriptor(iface);
784
785 /* Find endpoints. */
786 for (i = 0; i < id->bNumEndpoints; i++) {
787 ed = usbd_interface2endpoint_descriptor(iface, i);
788 if (ed == NULL) {
789 printf("%s: couldn't get endpoint descriptor %d\n",
790 USBDEVNAME(sc->aue_dev), i);
791 USB_ATTACH_ERROR_RETURN;
792 }
793 if (UE_GET_DIR(ed->bEndpointAddress) == UE_DIR_IN &&
794 UE_GET_XFERTYPE(ed->bmAttributes) == UE_BULK) {
795 sc->aue_ed[AUE_ENDPT_RX] = ed->bEndpointAddress;
796 } else if (UE_GET_DIR(ed->bEndpointAddress) == UE_DIR_OUT &&
797 UE_GET_XFERTYPE(ed->bmAttributes) == UE_BULK) {
798 sc->aue_ed[AUE_ENDPT_TX] = ed->bEndpointAddress;
799 } else if (UE_GET_DIR(ed->bEndpointAddress) == UE_DIR_IN &&
800 UE_GET_XFERTYPE(ed->bmAttributes) == UE_INTERRUPT) {
801 sc->aue_ed[AUE_ENDPT_INTR] = ed->bEndpointAddress;
802 }
803 }
804
805 if (sc->aue_ed[AUE_ENDPT_RX] == 0 || sc->aue_ed[AUE_ENDPT_TX] == 0 ||
806 sc->aue_ed[AUE_ENDPT_INTR] == 0) {
807 printf("%s: missing endpoint\n", USBDEVNAME(sc->aue_dev));
808 USB_ATTACH_ERROR_RETURN;
809 }
810
811
812 s = splnet();
813
814 /* Reset the adapter. */
815 aue_reset(sc);
816
817 /*
818 * Get station address from the EEPROM.
819 */
820 aue_read_mac(sc, eaddr);
821
822 /*
823 * A Pegasus chip was detected. Inform the world.
824 */
825 ifp = GET_IFP(sc);
826 printf("%s: Ethernet address %s\n", USBDEVNAME(sc->aue_dev),
827 ether_sprintf(eaddr));
828
829 /* Initialize interface info.*/
830 ifp->if_softc = sc;
831 ifp->if_mtu = ETHERMTU;
832 ifp->if_flags = IFF_BROADCAST | IFF_SIMPLEX | IFF_MULTICAST;
833 ifp->if_ioctl = aue_ioctl;
834 ifp->if_start = aue_start;
835 ifp->if_watchdog = aue_watchdog;
836 #if defined(__OpenBSD__)
837 ifp->if_snd.ifq_maxlen = IFQ_MAXLEN;
838 #endif
839 strncpy(ifp->if_xname, USBDEVNAME(sc->aue_dev), IFNAMSIZ);
840
841 IFQ_SET_READY(&ifp->if_snd);
842
843 /* Initialize MII/media info. */
844 mii = &sc->aue_mii;
845 mii->mii_ifp = ifp;
846 mii->mii_readreg = aue_miibus_readreg;
847 mii->mii_writereg = aue_miibus_writereg;
848 mii->mii_statchg = aue_miibus_statchg;
849 mii->mii_flags = MIIF_AUTOTSLEEP;
850 ifmedia_init(&mii->mii_media, 0, aue_ifmedia_upd, aue_ifmedia_sts);
851 mii_attach(self, mii, 0xffffffff, MII_PHY_ANY, MII_OFFSET_ANY, 0);
852 if (LIST_FIRST(&mii->mii_phys) == NULL) {
853 ifmedia_add(&mii->mii_media, IFM_ETHER | IFM_NONE, 0, NULL);
854 ifmedia_set(&mii->mii_media, IFM_ETHER | IFM_NONE);
855 } else
856 ifmedia_set(&mii->mii_media, IFM_ETHER | IFM_AUTO);
857
858 /* Attach the interface. */
859 if_attach(ifp);
860 Ether_ifattach(ifp, eaddr);
861 #if NRND > 0
862 rnd_attach_source(&sc->rnd_source, USBDEVNAME(sc->aue_dev),
863 RND_TYPE_NET, 0);
864 #endif
865
866 usb_callout_init(sc->aue_stat_ch);
867
868 sc->aue_attached = 1;
869 splx(s);
870
871 usbd_add_drv_event(USB_EVENT_DRIVER_ATTACH, sc->aue_udev,
872 USBDEV(sc->aue_dev));
873
874 USB_ATTACH_SUCCESS_RETURN;
875 }
876
877 USB_DETACH(aue)
878 {
879 USB_DETACH_START(aue, sc);
880 struct ifnet *ifp = GET_IFP(sc);
881 int s;
882
883 DPRINTFN(2,("%s: %s: enter\n", USBDEVNAME(sc->aue_dev), __func__));
884
885 if (!sc->aue_attached) {
886 /* Detached before attached finished, so just bail out. */
887 return (0);
888 }
889
890 usb_uncallout(sc->aue_stat_ch, aue_tick, sc);
891 /*
892 * Remove any pending tasks. They cannot be executing because they run
893 * in the same thread as detach.
894 */
895 usb_rem_task(sc->aue_udev, &sc->aue_tick_task);
896 usb_rem_task(sc->aue_udev, &sc->aue_stop_task);
897
898 sc->aue_closing = 1;
899 wakeup(&sc->aue_thread);
900 tsleep(&sc->aue_closing, PZERO, "auemccl", 0);
901 s = splusb();
902
903 if (ifp->if_flags & IFF_RUNNING)
904 aue_stop(sc);
905
906 #if defined(__NetBSD__)
907 #if NRND > 0
908 rnd_detach_source(&sc->rnd_source);
909 #endif
910 mii_detach(&sc->aue_mii, MII_PHY_ANY, MII_OFFSET_ANY);
911 ifmedia_delete_instance(&sc->aue_mii.mii_media, IFM_INST_ANY);
912 ether_ifdetach(ifp);
913 #endif /* __NetBSD__ */
914
915 if_detach(ifp);
916
917 #ifdef DIAGNOSTIC
918 if (sc->aue_ep[AUE_ENDPT_TX] != NULL ||
919 sc->aue_ep[AUE_ENDPT_RX] != NULL ||
920 sc->aue_ep[AUE_ENDPT_INTR] != NULL)
921 printf("%s: detach has active endpoints\n",
922 USBDEVNAME(sc->aue_dev));
923 #endif
924
925 sc->aue_attached = 0;
926
927 if (--sc->aue_refcnt >= 0) {
928 /* Wait for processes to go away. */
929 usb_detach_wait(USBDEV(sc->aue_dev));
930 }
931 splx(s);
932
933 usbd_add_drv_event(USB_EVENT_DRIVER_DETACH, sc->aue_udev,
934 USBDEV(sc->aue_dev));
935
936 return (0);
937 }
938
939 int
940 aue_activate(device_ptr_t self, enum devact act)
941 {
942 struct aue_softc *sc = (struct aue_softc *)self;
943
944 DPRINTFN(2,("%s: %s: enter\n", USBDEVNAME(sc->aue_dev), __func__));
945
946 switch (act) {
947 case DVACT_ACTIVATE:
948 return (EOPNOTSUPP);
949 break;
950
951 case DVACT_DEACTIVATE:
952 if_deactivate(&sc->aue_ec.ec_if);
953 sc->aue_dying = 1;
954 break;
955 }
956 return (0);
957 }
958
959 /*
960 * Initialize an RX descriptor and attach an MBUF cluster.
961 */
962 Static int
963 aue_newbuf(struct aue_softc *sc, struct aue_chain *c, struct mbuf *m)
964 {
965 struct mbuf *m_new = NULL;
966
967 DPRINTFN(10,("%s: %s: enter\n", USBDEVNAME(sc->aue_dev),__func__));
968
969 if (m == NULL) {
970 MGETHDR(m_new, M_DONTWAIT, MT_DATA);
971 if (m_new == NULL) {
972 printf("%s: no memory for rx list "
973 "-- packet dropped!\n", USBDEVNAME(sc->aue_dev));
974 return (ENOBUFS);
975 }
976
977 MCLGET(m_new, M_DONTWAIT);
978 if (!(m_new->m_flags & M_EXT)) {
979 printf("%s: no memory for rx list "
980 "-- packet dropped!\n", USBDEVNAME(sc->aue_dev));
981 m_freem(m_new);
982 return (ENOBUFS);
983 }
984 m_new->m_len = m_new->m_pkthdr.len = MCLBYTES;
985 } else {
986 m_new = m;
987 m_new->m_len = m_new->m_pkthdr.len = MCLBYTES;
988 m_new->m_data = m_new->m_ext.ext_buf;
989 }
990
991 m_adj(m_new, ETHER_ALIGN);
992 c->aue_mbuf = m_new;
993
994 return (0);
995 }
996
997 Static int
998 aue_rx_list_init(struct aue_softc *sc)
999 {
1000 struct aue_cdata *cd;
1001 struct aue_chain *c;
1002 int i;
1003
1004 DPRINTFN(5,("%s: %s: enter\n", USBDEVNAME(sc->aue_dev), __func__));
1005
1006 cd = &sc->aue_cdata;
1007 for (i = 0; i < AUE_RX_LIST_CNT; i++) {
1008 c = &cd->aue_rx_chain[i];
1009 c->aue_sc = sc;
1010 c->aue_idx = i;
1011 if (aue_newbuf(sc, c, NULL) == ENOBUFS)
1012 return (ENOBUFS);
1013 if (c->aue_xfer == NULL) {
1014 c->aue_xfer = usbd_alloc_xfer(sc->aue_udev);
1015 if (c->aue_xfer == NULL)
1016 return (ENOBUFS);
1017 c->aue_buf = usbd_alloc_buffer(c->aue_xfer, AUE_BUFSZ);
1018 if (c->aue_buf == NULL)
1019 return (ENOBUFS); /* XXX free xfer */
1020 }
1021 }
1022
1023 return (0);
1024 }
1025
1026 Static int
1027 aue_tx_list_init(struct aue_softc *sc)
1028 {
1029 struct aue_cdata *cd;
1030 struct aue_chain *c;
1031 int i;
1032
1033 DPRINTFN(5,("%s: %s: enter\n", USBDEVNAME(sc->aue_dev), __func__));
1034
1035 cd = &sc->aue_cdata;
1036 for (i = 0; i < AUE_TX_LIST_CNT; i++) {
1037 c = &cd->aue_tx_chain[i];
1038 c->aue_sc = sc;
1039 c->aue_idx = i;
1040 c->aue_mbuf = NULL;
1041 if (c->aue_xfer == NULL) {
1042 c->aue_xfer = usbd_alloc_xfer(sc->aue_udev);
1043 if (c->aue_xfer == NULL)
1044 return (ENOBUFS);
1045 c->aue_buf = usbd_alloc_buffer(c->aue_xfer, AUE_BUFSZ);
1046 if (c->aue_buf == NULL)
1047 return (ENOBUFS);
1048 }
1049 }
1050
1051 return (0);
1052 }
1053
1054 Static void
1055 aue_intr(usbd_xfer_handle xfer, usbd_private_handle priv,
1056 usbd_status status)
1057 {
1058 struct aue_softc *sc = priv;
1059 struct ifnet *ifp = GET_IFP(sc);
1060 struct aue_intrpkt *p = &sc->aue_cdata.aue_ibuf;
1061
1062 DPRINTFN(15,("%s: %s: enter\n", USBDEVNAME(sc->aue_dev),__func__));
1063
1064 if (sc->aue_dying)
1065 return;
1066
1067 if (!(ifp->if_flags & IFF_RUNNING))
1068 return;
1069
1070 if (status != USBD_NORMAL_COMPLETION) {
1071 if (status == USBD_NOT_STARTED || status == USBD_CANCELLED) {
1072 return;
1073 }
1074 sc->aue_intr_errs++;
1075 if (usbd_ratecheck(&sc->aue_rx_notice)) {
1076 printf("%s: %u usb errors on intr: %s\n",
1077 USBDEVNAME(sc->aue_dev), sc->aue_intr_errs,
1078 usbd_errstr(status));
1079 sc->aue_intr_errs = 0;
1080 }
1081 if (status == USBD_STALLED)
1082 usbd_clear_endpoint_stall_async(sc->aue_ep[AUE_ENDPT_RX]);
1083 return;
1084 }
1085
1086 if (p->aue_txstat0)
1087 ifp->if_oerrors++;
1088
1089 if (p->aue_txstat0 & (AUE_TXSTAT0_LATECOLL | AUE_TXSTAT0_EXCESSCOLL))
1090 ifp->if_collisions++;
1091 }
1092
1093 /*
1094 * A frame has been uploaded: pass the resulting mbuf chain up to
1095 * the higher level protocols.
1096 */
1097 Static void
1098 aue_rxeof(usbd_xfer_handle xfer, usbd_private_handle priv, usbd_status status)
1099 {
1100 struct aue_chain *c = priv;
1101 struct aue_softc *sc = c->aue_sc;
1102 struct ifnet *ifp = GET_IFP(sc);
1103 struct mbuf *m;
1104 u_int32_t total_len;
1105 struct aue_rxpkt r;
1106 int s;
1107
1108 DPRINTFN(10,("%s: %s: enter\n", USBDEVNAME(sc->aue_dev),__func__));
1109
1110 if (sc->aue_dying)
1111 return;
1112
1113 if (!(ifp->if_flags & IFF_RUNNING))
1114 return;
1115
1116 if (status != USBD_NORMAL_COMPLETION) {
1117 if (status == USBD_NOT_STARTED || status == USBD_CANCELLED)
1118 return;
1119 sc->aue_rx_errs++;
1120 if (usbd_ratecheck(&sc->aue_rx_notice)) {
1121 printf("%s: %u usb errors on rx: %s\n",
1122 USBDEVNAME(sc->aue_dev), sc->aue_rx_errs,
1123 usbd_errstr(status));
1124 sc->aue_rx_errs = 0;
1125 }
1126 if (status == USBD_STALLED)
1127 usbd_clear_endpoint_stall_async(sc->aue_ep[AUE_ENDPT_RX]);
1128 goto done;
1129 }
1130
1131 usbd_get_xfer_status(xfer, NULL, NULL, &total_len, NULL);
1132
1133 memcpy(mtod(c->aue_mbuf, char *), c->aue_buf, total_len);
1134
1135 if (total_len <= 4 + ETHER_CRC_LEN) {
1136 ifp->if_ierrors++;
1137 goto done;
1138 }
1139
1140 memcpy(&r, c->aue_buf + total_len - 4, sizeof(r));
1141
1142 /* Turn off all the non-error bits in the rx status word. */
1143 r.aue_rxstat &= AUE_RXSTAT_MASK;
1144 if (r.aue_rxstat) {
1145 ifp->if_ierrors++;
1146 goto done;
1147 }
1148
1149 /* No errors; receive the packet. */
1150 m = c->aue_mbuf;
1151 total_len -= ETHER_CRC_LEN + 4;
1152 m->m_pkthdr.len = m->m_len = total_len;
1153 ifp->if_ipackets++;
1154
1155 m->m_pkthdr.rcvif = ifp;
1156
1157 s = splnet();
1158
1159 /* XXX ugly */
1160 if (aue_newbuf(sc, c, NULL) == ENOBUFS) {
1161 ifp->if_ierrors++;
1162 goto done1;
1163 }
1164
1165 #if NBPFILTER > 0
1166 /*
1167 * Handle BPF listeners. Let the BPF user see the packet, but
1168 * don't pass it up to the ether_input() layer unless it's
1169 * a broadcast packet, multicast packet, matches our ethernet
1170 * address or the interface is in promiscuous mode.
1171 */
1172 if (ifp->if_bpf)
1173 BPF_MTAP(ifp, m);
1174 #endif
1175
1176 DPRINTFN(10,("%s: %s: deliver %d\n", USBDEVNAME(sc->aue_dev),
1177 __func__, m->m_len));
1178 IF_INPUT(ifp, m);
1179 done1:
1180 splx(s);
1181
1182 done:
1183
1184 /* Setup new transfer. */
1185 usbd_setup_xfer(xfer, sc->aue_ep[AUE_ENDPT_RX],
1186 c, c->aue_buf, AUE_BUFSZ,
1187 USBD_SHORT_XFER_OK | USBD_NO_COPY,
1188 USBD_NO_TIMEOUT, aue_rxeof);
1189 usbd_transfer(xfer);
1190
1191 DPRINTFN(10,("%s: %s: start rx\n", USBDEVNAME(sc->aue_dev),
1192 __func__));
1193 }
1194
1195 /*
1196 * A frame was downloaded to the chip. It's safe for us to clean up
1197 * the list buffers.
1198 */
1199
1200 Static void
1201 aue_txeof(usbd_xfer_handle xfer, usbd_private_handle priv,
1202 usbd_status status)
1203 {
1204 struct aue_chain *c = priv;
1205 struct aue_softc *sc = c->aue_sc;
1206 struct ifnet *ifp = GET_IFP(sc);
1207 int s;
1208
1209 if (sc->aue_dying)
1210 return;
1211
1212 s = splnet();
1213
1214 DPRINTFN(10,("%s: %s: enter status=%d\n", USBDEVNAME(sc->aue_dev),
1215 __func__, status));
1216
1217 ifp->if_timer = 0;
1218 ifp->if_flags &= ~IFF_OACTIVE;
1219
1220 if (status != USBD_NORMAL_COMPLETION) {
1221 if (status == USBD_NOT_STARTED || status == USBD_CANCELLED) {
1222 splx(s);
1223 return;
1224 }
1225 ifp->if_oerrors++;
1226 printf("%s: usb error on tx: %s\n", USBDEVNAME(sc->aue_dev),
1227 usbd_errstr(status));
1228 if (status == USBD_STALLED)
1229 usbd_clear_endpoint_stall_async(sc->aue_ep[AUE_ENDPT_TX]);
1230 splx(s);
1231 return;
1232 }
1233
1234 ifp->if_opackets++;
1235
1236 m_freem(c->aue_mbuf);
1237 c->aue_mbuf = NULL;
1238
1239 if (IFQ_IS_EMPTY(&ifp->if_snd) == 0)
1240 aue_start(ifp);
1241
1242 splx(s);
1243 }
1244
1245 Static void
1246 aue_tick(void *xsc)
1247 {
1248 struct aue_softc *sc = xsc;
1249
1250 DPRINTFN(15,("%s: %s: enter\n", USBDEVNAME(sc->aue_dev),__func__));
1251
1252 if (sc == NULL)
1253 return;
1254
1255 if (sc->aue_dying)
1256 return;
1257
1258 /* Perform periodic stuff in process context. */
1259 usb_add_task(sc->aue_udev, &sc->aue_tick_task, USB_TASKQ_DRIVER);
1260 }
1261
1262 Static void
1263 aue_tick_task(void *xsc)
1264 {
1265 struct aue_softc *sc = xsc;
1266 struct ifnet *ifp;
1267 struct mii_data *mii;
1268 int s;
1269
1270 DPRINTFN(15,("%s: %s: enter\n", USBDEVNAME(sc->aue_dev),__func__));
1271
1272 if (sc->aue_dying)
1273 return;
1274
1275 ifp = GET_IFP(sc);
1276 mii = GET_MII(sc);
1277 if (mii == NULL)
1278 return;
1279
1280 s = splnet();
1281
1282 mii_tick(mii);
1283 if (!sc->aue_link) {
1284 mii_pollstat(mii); /* XXX FreeBSD has removed this call */
1285 if (mii->mii_media_status & IFM_ACTIVE &&
1286 IFM_SUBTYPE(mii->mii_media_active) != IFM_NONE) {
1287 DPRINTFN(2,("%s: %s: got link\n",
1288 USBDEVNAME(sc->aue_dev),__func__));
1289 sc->aue_link++;
1290 if (IFQ_IS_EMPTY(&ifp->if_snd) == 0)
1291 aue_start(ifp);
1292 }
1293 }
1294
1295 usb_callout(sc->aue_stat_ch, hz, aue_tick, sc);
1296
1297 splx(s);
1298 }
1299
1300 Static int
1301 aue_send(struct aue_softc *sc, struct mbuf *m, int idx)
1302 {
1303 int total_len;
1304 struct aue_chain *c;
1305 usbd_status err;
1306
1307 DPRINTFN(10,("%s: %s: enter\n", USBDEVNAME(sc->aue_dev),__func__));
1308
1309 c = &sc->aue_cdata.aue_tx_chain[idx];
1310
1311 /*
1312 * Copy the mbuf data into a contiguous buffer, leaving two
1313 * bytes at the beginning to hold the frame length.
1314 */
1315 m_copydata(m, 0, m->m_pkthdr.len, c->aue_buf + 2);
1316 c->aue_mbuf = m;
1317
1318 /*
1319 * The ADMtek documentation says that the packet length is
1320 * supposed to be specified in the first two bytes of the
1321 * transfer, however it actually seems to ignore this info
1322 * and base the frame size on the bulk transfer length.
1323 */
1324 c->aue_buf[0] = (u_int8_t)m->m_pkthdr.len;
1325 c->aue_buf[1] = (u_int8_t)(m->m_pkthdr.len >> 8);
1326 total_len = m->m_pkthdr.len + 2;
1327
1328 usbd_setup_xfer(c->aue_xfer, sc->aue_ep[AUE_ENDPT_TX],
1329 c, c->aue_buf, total_len, USBD_FORCE_SHORT_XFER | USBD_NO_COPY,
1330 AUE_TX_TIMEOUT, aue_txeof);
1331
1332 /* Transmit */
1333 err = usbd_transfer(c->aue_xfer);
1334 if (err != USBD_IN_PROGRESS) {
1335 printf("%s: aue_send error=%s\n", USBDEVNAME(sc->aue_dev),
1336 usbd_errstr(err));
1337 /* Stop the interface from process context. */
1338 usb_add_task(sc->aue_udev, &sc->aue_stop_task,
1339 USB_TASKQ_DRIVER);
1340 return (EIO);
1341 }
1342 DPRINTFN(5,("%s: %s: send %d bytes\n", USBDEVNAME(sc->aue_dev),
1343 __func__, total_len));
1344
1345 sc->aue_cdata.aue_tx_cnt++;
1346
1347 return (0);
1348 }
1349
1350 Static void
1351 aue_start(struct ifnet *ifp)
1352 {
1353 struct aue_softc *sc = ifp->if_softc;
1354 struct mbuf *m_head = NULL;
1355
1356 DPRINTFN(5,("%s: %s: enter, link=%d\n", USBDEVNAME(sc->aue_dev),
1357 __func__, sc->aue_link));
1358
1359 if (sc->aue_dying)
1360 return;
1361
1362 if (!sc->aue_link)
1363 return;
1364
1365 if (ifp->if_flags & IFF_OACTIVE)
1366 return;
1367
1368 IFQ_POLL(&ifp->if_snd, m_head);
1369 if (m_head == NULL)
1370 return;
1371
1372 if (aue_send(sc, m_head, 0)) {
1373 ifp->if_flags |= IFF_OACTIVE;
1374 return;
1375 }
1376
1377 IFQ_DEQUEUE(&ifp->if_snd, m_head);
1378
1379 #if NBPFILTER > 0
1380 /*
1381 * If there's a BPF listener, bounce a copy of this frame
1382 * to him.
1383 */
1384 if (ifp->if_bpf)
1385 BPF_MTAP(ifp, m_head);
1386 #endif
1387
1388 ifp->if_flags |= IFF_OACTIVE;
1389
1390 /*
1391 * Set a timeout in case the chip goes out to lunch.
1392 */
1393 ifp->if_timer = 5;
1394 }
1395
1396 Static void
1397 aue_init(void *xsc)
1398 {
1399 struct aue_softc *sc = xsc;
1400 struct ifnet *ifp = GET_IFP(sc);
1401 struct mii_data *mii = GET_MII(sc);
1402 int i, s;
1403 u_char *eaddr;
1404
1405 DPRINTFN(5,("%s: %s: enter\n", USBDEVNAME(sc->aue_dev), __func__));
1406
1407 if (sc->aue_dying)
1408 return;
1409
1410 if (ifp->if_flags & IFF_RUNNING)
1411 return;
1412
1413 s = splnet();
1414
1415 /*
1416 * Cancel pending I/O and free all RX/TX buffers.
1417 */
1418 aue_reset(sc);
1419
1420 #if defined(__OpenBSD__)
1421 eaddr = sc->arpcom.ac_enaddr;
1422 #elif defined(__NetBSD__)
1423 eaddr = LLADDR(ifp->if_sadl);
1424 #endif /* defined(__NetBSD__) */
1425 for (i = 0; i < ETHER_ADDR_LEN; i++)
1426 aue_csr_write_1(sc, AUE_PAR0 + i, eaddr[i]);
1427
1428 /* If we want promiscuous mode, set the allframes bit. */
1429 if (ifp->if_flags & IFF_PROMISC)
1430 AUE_SETBIT(sc, AUE_CTL2, AUE_CTL2_RX_PROMISC);
1431 else
1432 AUE_CLRBIT(sc, AUE_CTL2, AUE_CTL2_RX_PROMISC);
1433
1434 /* Init TX ring. */
1435 if (aue_tx_list_init(sc) == ENOBUFS) {
1436 printf("%s: tx list init failed\n", USBDEVNAME(sc->aue_dev));
1437 splx(s);
1438 return;
1439 }
1440
1441 /* Init RX ring. */
1442 if (aue_rx_list_init(sc) == ENOBUFS) {
1443 printf("%s: rx list init failed\n", USBDEVNAME(sc->aue_dev));
1444 splx(s);
1445 return;
1446 }
1447
1448 /* Load the multicast filter. */
1449 aue_setmulti(sc);
1450
1451 /* Enable RX and TX */
1452 aue_csr_write_1(sc, AUE_CTL0, AUE_CTL0_RXSTAT_APPEND | AUE_CTL0_RX_ENB);
1453 AUE_SETBIT(sc, AUE_CTL0, AUE_CTL0_TX_ENB);
1454 AUE_SETBIT(sc, AUE_CTL2, AUE_CTL2_EP3_CLR);
1455
1456 mii_mediachg(mii);
1457
1458 if (sc->aue_ep[AUE_ENDPT_RX] == NULL) {
1459 if (aue_openpipes(sc)) {
1460 splx(s);
1461 return;
1462 }
1463 }
1464
1465 ifp->if_flags |= IFF_RUNNING;
1466 ifp->if_flags &= ~IFF_OACTIVE;
1467
1468 splx(s);
1469
1470 usb_callout(sc->aue_stat_ch, hz, aue_tick, sc);
1471 }
1472
1473 Static int
1474 aue_openpipes(struct aue_softc *sc)
1475 {
1476 struct aue_chain *c;
1477 usbd_status err;
1478 int i;
1479
1480 /* Open RX and TX pipes. */
1481 err = usbd_open_pipe(sc->aue_iface, sc->aue_ed[AUE_ENDPT_RX],
1482 USBD_EXCLUSIVE_USE, &sc->aue_ep[AUE_ENDPT_RX]);
1483 if (err) {
1484 printf("%s: open rx pipe failed: %s\n",
1485 USBDEVNAME(sc->aue_dev), usbd_errstr(err));
1486 return (EIO);
1487 }
1488 err = usbd_open_pipe(sc->aue_iface, sc->aue_ed[AUE_ENDPT_TX],
1489 USBD_EXCLUSIVE_USE, &sc->aue_ep[AUE_ENDPT_TX]);
1490 if (err) {
1491 printf("%s: open tx pipe failed: %s\n",
1492 USBDEVNAME(sc->aue_dev), usbd_errstr(err));
1493 return (EIO);
1494 }
1495 err = usbd_open_pipe_intr(sc->aue_iface, sc->aue_ed[AUE_ENDPT_INTR],
1496 USBD_EXCLUSIVE_USE, &sc->aue_ep[AUE_ENDPT_INTR], sc,
1497 &sc->aue_cdata.aue_ibuf, AUE_INTR_PKTLEN, aue_intr,
1498 AUE_INTR_INTERVAL);
1499 if (err) {
1500 printf("%s: open intr pipe failed: %s\n",
1501 USBDEVNAME(sc->aue_dev), usbd_errstr(err));
1502 return (EIO);
1503 }
1504
1505 /* Start up the receive pipe. */
1506 for (i = 0; i < AUE_RX_LIST_CNT; i++) {
1507 c = &sc->aue_cdata.aue_rx_chain[i];
1508 usbd_setup_xfer(c->aue_xfer, sc->aue_ep[AUE_ENDPT_RX],
1509 c, c->aue_buf, AUE_BUFSZ,
1510 USBD_SHORT_XFER_OK | USBD_NO_COPY, USBD_NO_TIMEOUT,
1511 aue_rxeof);
1512 (void)usbd_transfer(c->aue_xfer); /* XXX */
1513 DPRINTFN(5,("%s: %s: start read\n", USBDEVNAME(sc->aue_dev),
1514 __func__));
1515
1516 }
1517 return (0);
1518 }
1519
1520 /*
1521 * Set media options.
1522 */
1523 Static int
1524 aue_ifmedia_upd(struct ifnet *ifp)
1525 {
1526 struct aue_softc *sc = ifp->if_softc;
1527 struct mii_data *mii = GET_MII(sc);
1528
1529 DPRINTFN(5,("%s: %s: enter\n", USBDEVNAME(sc->aue_dev), __func__));
1530
1531 if (sc->aue_dying)
1532 return (0);
1533
1534 sc->aue_link = 0;
1535 if (mii->mii_instance) {
1536 struct mii_softc *miisc;
1537 for (miisc = LIST_FIRST(&mii->mii_phys); miisc != NULL;
1538 miisc = LIST_NEXT(miisc, mii_list))
1539 mii_phy_reset(miisc);
1540 }
1541 mii_mediachg(mii);
1542
1543 return (0);
1544 }
1545
1546 /*
1547 * Report current media status.
1548 */
1549 Static void
1550 aue_ifmedia_sts(struct ifnet *ifp, struct ifmediareq *ifmr)
1551 {
1552 struct aue_softc *sc = ifp->if_softc;
1553 struct mii_data *mii = GET_MII(sc);
1554
1555 DPRINTFN(5,("%s: %s: enter\n", USBDEVNAME(sc->aue_dev), __func__));
1556
1557 mii_pollstat(mii);
1558 ifmr->ifm_active = mii->mii_media_active;
1559 ifmr->ifm_status = mii->mii_media_status;
1560 }
1561
1562 Static int
1563 aue_ioctl(struct ifnet *ifp, u_long command, caddr_t data)
1564 {
1565 struct aue_softc *sc = ifp->if_softc;
1566 struct ifaddr *ifa = (struct ifaddr *)data;
1567 struct ifreq *ifr = (struct ifreq *)data;
1568 struct mii_data *mii;
1569 int s, error = 0;
1570
1571 if (sc->aue_dying)
1572 return (EIO);
1573
1574 s = splnet();
1575
1576 switch(command) {
1577 case SIOCSIFADDR:
1578 ifp->if_flags |= IFF_UP;
1579 aue_init(sc);
1580
1581 switch (ifa->ifa_addr->sa_family) {
1582 #ifdef INET
1583 case AF_INET:
1584 #if defined(__NetBSD__)
1585 arp_ifinit(ifp, ifa);
1586 #else
1587 arp_ifinit(&sc->arpcom, ifa);
1588 #endif
1589 break;
1590 #endif /* INET */
1591 }
1592 break;
1593
1594 case SIOCSIFMTU:
1595 if (ifr->ifr_mtu > ETHERMTU)
1596 error = EINVAL;
1597 else
1598 ifp->if_mtu = ifr->ifr_mtu;
1599 break;
1600
1601 case SIOCSIFFLAGS:
1602 if (ifp->if_flags & IFF_UP) {
1603 if (ifp->if_flags & IFF_RUNNING &&
1604 ifp->if_flags & IFF_PROMISC &&
1605 !(sc->aue_if_flags & IFF_PROMISC)) {
1606 AUE_SETBIT(sc, AUE_CTL2, AUE_CTL2_RX_PROMISC);
1607 } else if (ifp->if_flags & IFF_RUNNING &&
1608 !(ifp->if_flags & IFF_PROMISC) &&
1609 sc->aue_if_flags & IFF_PROMISC) {
1610 AUE_CLRBIT(sc, AUE_CTL2, AUE_CTL2_RX_PROMISC);
1611 } else if (!(ifp->if_flags & IFF_RUNNING))
1612 aue_init(sc);
1613 } else {
1614 if (ifp->if_flags & IFF_RUNNING)
1615 aue_stop(sc);
1616 }
1617 sc->aue_if_flags = ifp->if_flags;
1618 error = 0;
1619 break;
1620 case SIOCADDMULTI:
1621 case SIOCDELMULTI:
1622 error = (command == SIOCADDMULTI) ?
1623 ether_addmulti(ifr, &sc->aue_ec) :
1624 ether_delmulti(ifr, &sc->aue_ec);
1625 if (error == ENETRESET) {
1626 if (ifp->if_flags & IFF_RUNNING) {
1627 #if defined(__NetBSD__)
1628 wakeup(&sc->aue_thread);
1629 #else
1630 aue_init(sc);
1631 aue_setmulti(sc);
1632 #endif
1633 }
1634 error = 0;
1635 }
1636 break;
1637 case SIOCGIFMEDIA:
1638 case SIOCSIFMEDIA:
1639 mii = GET_MII(sc);
1640 error = ifmedia_ioctl(ifp, ifr, &mii->mii_media, command);
1641 break;
1642 default:
1643 error = EINVAL;
1644 break;
1645 }
1646
1647 splx(s);
1648
1649 return (error);
1650 }
1651
1652 Static void
1653 aue_watchdog(struct ifnet *ifp)
1654 {
1655 struct aue_softc *sc = ifp->if_softc;
1656 struct aue_chain *c;
1657 usbd_status stat;
1658 int s;
1659
1660 DPRINTFN(5,("%s: %s: enter\n", USBDEVNAME(sc->aue_dev), __func__));
1661
1662 ifp->if_oerrors++;
1663 printf("%s: watchdog timeout\n", USBDEVNAME(sc->aue_dev));
1664
1665 s = splusb();
1666 c = &sc->aue_cdata.aue_tx_chain[0];
1667 usbd_get_xfer_status(c->aue_xfer, NULL, NULL, NULL, &stat);
1668 aue_txeof(c->aue_xfer, c, stat);
1669
1670 if (IFQ_IS_EMPTY(&ifp->if_snd) == 0)
1671 aue_start(ifp);
1672 splx(s);
1673 }
1674
1675 /*
1676 * Stop the adapter and free any mbufs allocated to the
1677 * RX and TX lists.
1678 */
1679 Static void
1680 aue_stop(struct aue_softc *sc)
1681 {
1682 usbd_status err;
1683 struct ifnet *ifp;
1684 int i;
1685
1686 DPRINTFN(5,("%s: %s: enter\n", USBDEVNAME(sc->aue_dev), __func__));
1687
1688 ifp = GET_IFP(sc);
1689 ifp->if_timer = 0;
1690
1691 aue_csr_write_1(sc, AUE_CTL0, 0);
1692 aue_csr_write_1(sc, AUE_CTL1, 0);
1693 aue_reset(sc);
1694 usb_uncallout(sc->aue_stat_ch, aue_tick, sc);
1695
1696 /* Stop transfers. */
1697 if (sc->aue_ep[AUE_ENDPT_RX] != NULL) {
1698 err = usbd_abort_pipe(sc->aue_ep[AUE_ENDPT_RX]);
1699 if (err) {
1700 printf("%s: abort rx pipe failed: %s\n",
1701 USBDEVNAME(sc->aue_dev), usbd_errstr(err));
1702 }
1703 err = usbd_close_pipe(sc->aue_ep[AUE_ENDPT_RX]);
1704 if (err) {
1705 printf("%s: close rx pipe failed: %s\n",
1706 USBDEVNAME(sc->aue_dev), usbd_errstr(err));
1707 }
1708 sc->aue_ep[AUE_ENDPT_RX] = NULL;
1709 }
1710
1711 if (sc->aue_ep[AUE_ENDPT_TX] != NULL) {
1712 err = usbd_abort_pipe(sc->aue_ep[AUE_ENDPT_TX]);
1713 if (err) {
1714 printf("%s: abort tx pipe failed: %s\n",
1715 USBDEVNAME(sc->aue_dev), usbd_errstr(err));
1716 }
1717 err = usbd_close_pipe(sc->aue_ep[AUE_ENDPT_TX]);
1718 if (err) {
1719 printf("%s: close tx pipe failed: %s\n",
1720 USBDEVNAME(sc->aue_dev), usbd_errstr(err));
1721 }
1722 sc->aue_ep[AUE_ENDPT_TX] = NULL;
1723 }
1724
1725 if (sc->aue_ep[AUE_ENDPT_INTR] != NULL) {
1726 err = usbd_abort_pipe(sc->aue_ep[AUE_ENDPT_INTR]);
1727 if (err) {
1728 printf("%s: abort intr pipe failed: %s\n",
1729 USBDEVNAME(sc->aue_dev), usbd_errstr(err));
1730 }
1731 err = usbd_close_pipe(sc->aue_ep[AUE_ENDPT_INTR]);
1732 if (err) {
1733 printf("%s: close intr pipe failed: %s\n",
1734 USBDEVNAME(sc->aue_dev), usbd_errstr(err));
1735 }
1736 sc->aue_ep[AUE_ENDPT_INTR] = NULL;
1737 }
1738
1739 /* Free RX resources. */
1740 for (i = 0; i < AUE_RX_LIST_CNT; i++) {
1741 if (sc->aue_cdata.aue_rx_chain[i].aue_mbuf != NULL) {
1742 m_freem(sc->aue_cdata.aue_rx_chain[i].aue_mbuf);
1743 sc->aue_cdata.aue_rx_chain[i].aue_mbuf = NULL;
1744 }
1745 if (sc->aue_cdata.aue_rx_chain[i].aue_xfer != NULL) {
1746 usbd_free_xfer(sc->aue_cdata.aue_rx_chain[i].aue_xfer);
1747 sc->aue_cdata.aue_rx_chain[i].aue_xfer = NULL;
1748 }
1749 }
1750
1751 /* Free TX resources. */
1752 for (i = 0; i < AUE_TX_LIST_CNT; i++) {
1753 if (sc->aue_cdata.aue_tx_chain[i].aue_mbuf != NULL) {
1754 m_freem(sc->aue_cdata.aue_tx_chain[i].aue_mbuf);
1755 sc->aue_cdata.aue_tx_chain[i].aue_mbuf = NULL;
1756 }
1757 if (sc->aue_cdata.aue_tx_chain[i].aue_xfer != NULL) {
1758 usbd_free_xfer(sc->aue_cdata.aue_tx_chain[i].aue_xfer);
1759 sc->aue_cdata.aue_tx_chain[i].aue_xfer = NULL;
1760 }
1761 }
1762
1763 sc->aue_link = 0;
1764
1765 ifp->if_flags &= ~(IFF_RUNNING | IFF_OACTIVE);
1766 }
1767
1768 #if defined(__NetBSD__)
1769 Static void
1770 aue_multithread(void *arg) {
1771 struct aue_softc *sc;
1772 int s;
1773
1774 sc = (struct aue_softc *)arg;
1775
1776 while (1) {
1777 tsleep(&sc->aue_thread, PZERO, "auemc", 0);
1778
1779 if (sc->aue_closing)
1780 break;
1781
1782 s = splnet();
1783 aue_init(sc);
1784 /* XXX called by aue_init, but rc ifconfig hangs without it: */
1785 aue_setmulti(sc);
1786 splx(s);
1787 }
1788
1789 wakeup(&sc->aue_closing);
1790
1791 kthread_exit(0);
1792 }
1793 #endif
1794