if_aue.c revision 1.92 1 /* $NetBSD: if_aue.c,v 1.92 2005/11/28 13:31:09 augustss 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 1.92 2005/11/28 13:31:09 augustss Exp $");
81
82 #if defined(__NetBSD__)
83 #include "opt_inet.h"
84 #include "opt_ns.h"
85 #include "bpfilter.h"
86 #include "rnd.h"
87 #elif defined(__OpenBSD__)
88 #include "bpfilter.h"
89 #endif /* defined(__OpenBSD__) */
90
91 #include <sys/param.h>
92 #include <sys/systm.h>
93 #include <sys/sockio.h>
94 #include <sys/lock.h>
95 #include <sys/mbuf.h>
96 #include <sys/malloc.h>
97 #include <sys/kernel.h>
98 #include <sys/socket.h>
99
100 #include <sys/device.h>
101 #if NRND > 0
102 #include <sys/rnd.h>
103 #endif
104
105 #include <net/if.h>
106 #if defined(__NetBSD__)
107 #include <net/if_arp.h>
108 #endif
109 #include <net/if_dl.h>
110 #include <net/if_media.h>
111
112 #define BPF_MTAP(ifp, m) bpf_mtap((ifp)->if_bpf, (m))
113
114 #if NBPFILTER > 0
115 #include <net/bpf.h>
116 #endif
117
118 #if defined(__NetBSD__)
119 #include <net/if_ether.h>
120 #ifdef INET
121 #include <netinet/in.h>
122 #include <netinet/if_inarp.h>
123 #endif
124 #endif /* defined(__NetBSD__) */
125
126 #if defined(__OpenBSD__)
127 #ifdef INET
128 #include <netinet/in.h>
129 #include <netinet/in_systm.h>
130 #include <netinet/in_var.h>
131 #include <netinet/ip.h>
132 #include <netinet/if_ether.h>
133 #endif
134 #endif /* defined(__OpenBSD__) */
135
136 #ifdef NS
137 #include <netns/ns.h>
138 #include <netns/ns_if.h>
139 #endif
140
141 #include <dev/mii/mii.h>
142 #include <dev/mii/miivar.h>
143
144 #include <dev/usb/usb.h>
145 #include <dev/usb/usbdi.h>
146 #include <dev/usb/usbdi_util.h>
147 #include <dev/usb/usbdevs.h>
148
149 #include <dev/usb/if_auereg.h>
150
151 #ifdef AUE_DEBUG
152 #define DPRINTF(x) if (auedebug) logprintf x
153 #define DPRINTFN(n,x) if (auedebug >= (n)) logprintf x
154 int auedebug = 0;
155 #else
156 #define DPRINTF(x)
157 #define DPRINTFN(n,x)
158 #endif
159
160 /*
161 * Various supported device vendors/products.
162 */
163 struct aue_type {
164 struct usb_devno aue_dev;
165 u_int16_t aue_flags;
166 #define LSYS 0x0001 /* use Linksys reset */
167 #define PNA 0x0002 /* has Home PNA */
168 #define PII 0x0004 /* Pegasus II chip */
169 };
170
171 Static const struct aue_type aue_devs[] = {
172 {{ USB_VENDOR_3COM, USB_PRODUCT_3COM_3C460B}, PII },
173 {{ USB_VENDOR_ABOCOM, USB_PRODUCT_ABOCOM_XX1}, PNA|PII },
174 {{ USB_VENDOR_ABOCOM, USB_PRODUCT_ABOCOM_XX2}, PII },
175 {{ USB_VENDOR_ABOCOM, USB_PRODUCT_ABOCOM_UFE1000}, LSYS },
176 {{ USB_VENDOR_ABOCOM, USB_PRODUCT_ABOCOM_XX4}, PNA },
177 {{ USB_VENDOR_ABOCOM, USB_PRODUCT_ABOCOM_XX5}, PNA },
178 {{ USB_VENDOR_ABOCOM, USB_PRODUCT_ABOCOM_XX6}, PII },
179 {{ USB_VENDOR_ABOCOM, USB_PRODUCT_ABOCOM_XX7}, PII },
180 {{ USB_VENDOR_ABOCOM, USB_PRODUCT_ABOCOM_XX8}, PII },
181 {{ USB_VENDOR_ABOCOM, USB_PRODUCT_ABOCOM_XX9}, PNA },
182 {{ USB_VENDOR_ABOCOM, USB_PRODUCT_ABOCOM_XX10}, 0 },
183 {{ USB_VENDOR_ABOCOM, USB_PRODUCT_ABOCOM_DSB650TX_PNA}, 0 },
184 {{ USB_VENDOR_ACCTON, USB_PRODUCT_ACCTON_USB320_EC}, 0 },
185 {{ USB_VENDOR_ACCTON, USB_PRODUCT_ACCTON_SS1001}, PII },
186 {{ USB_VENDOR_ADMTEK, USB_PRODUCT_ADMTEK_PEGASUS}, PNA },
187 {{ USB_VENDOR_ADMTEK, USB_PRODUCT_ADMTEK_PEGASUSII}, PII },
188 {{ USB_VENDOR_ADMTEK, USB_PRODUCT_ADMTEK_PEGASUSII_2}, 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 Static void aue_reset_pegasus_II(struct aue_softc *sc);
238 Static int aue_tx_list_init(struct aue_softc *);
239 Static int aue_rx_list_init(struct aue_softc *);
240 Static int aue_newbuf(struct aue_softc *, struct aue_chain *, struct mbuf *);
241 Static int aue_send(struct aue_softc *, struct mbuf *, int);
242 Static void aue_intr(usbd_xfer_handle, usbd_private_handle, usbd_status);
243 Static void aue_rxeof(usbd_xfer_handle, usbd_private_handle, usbd_status);
244 Static void aue_txeof(usbd_xfer_handle, usbd_private_handle, usbd_status);
245 Static void aue_tick(void *);
246 Static void aue_tick_task(void *);
247 Static void aue_start(struct ifnet *);
248 Static int aue_ioctl(struct ifnet *, u_long, caddr_t);
249 Static void aue_init(void *);
250 Static void aue_stop(struct aue_softc *);
251 Static void aue_watchdog(struct ifnet *);
252 Static int aue_openpipes(struct aue_softc *);
253 Static int aue_ifmedia_upd(struct ifnet *);
254 Static void aue_ifmedia_sts(struct ifnet *, struct ifmediareq *);
255
256 Static int aue_eeprom_getword(struct aue_softc *, int);
257 Static void aue_read_mac(struct aue_softc *, u_char *);
258 Static int aue_miibus_readreg(device_ptr_t, int, int);
259 Static void aue_miibus_writereg(device_ptr_t, int, int, int);
260 Static void aue_miibus_statchg(device_ptr_t);
261
262 Static void aue_lock_mii(struct aue_softc *);
263 Static void aue_unlock_mii(struct aue_softc *);
264
265 Static void aue_setmulti(struct aue_softc *);
266 Static u_int32_t aue_crc(caddr_t);
267 Static void aue_reset(struct aue_softc *);
268
269 Static int aue_csr_read_1(struct aue_softc *, int);
270 Static int aue_csr_write_1(struct aue_softc *, int, int);
271 Static int aue_csr_read_2(struct aue_softc *, int);
272 Static int aue_csr_write_2(struct aue_softc *, int, int);
273
274 #define AUE_SETBIT(sc, reg, x) \
275 aue_csr_write_1(sc, reg, aue_csr_read_1(sc, reg) | (x))
276
277 #define AUE_CLRBIT(sc, reg, x) \
278 aue_csr_write_1(sc, reg, aue_csr_read_1(sc, reg) & ~(x))
279
280 Static int
281 aue_csr_read_1(struct aue_softc *sc, int reg)
282 {
283 usb_device_request_t req;
284 usbd_status err;
285 uByte val = 0;
286
287 if (sc->aue_dying)
288 return (0);
289
290 req.bmRequestType = UT_READ_VENDOR_DEVICE;
291 req.bRequest = AUE_UR_READREG;
292 USETW(req.wValue, 0);
293 USETW(req.wIndex, reg);
294 USETW(req.wLength, 1);
295
296 err = usbd_do_request(sc->aue_udev, &req, &val);
297
298 if (err) {
299 DPRINTF(("%s: aue_csr_read_1: reg=0x%x err=%s\n",
300 USBDEVNAME(sc->aue_dev), reg, usbd_errstr(err)));
301 return (0);
302 }
303
304 return (val);
305 }
306
307 Static int
308 aue_csr_read_2(struct aue_softc *sc, int reg)
309 {
310 usb_device_request_t req;
311 usbd_status err;
312 uWord val;
313
314 if (sc->aue_dying)
315 return (0);
316
317 req.bmRequestType = UT_READ_VENDOR_DEVICE;
318 req.bRequest = AUE_UR_READREG;
319 USETW(req.wValue, 0);
320 USETW(req.wIndex, reg);
321 USETW(req.wLength, 2);
322
323 err = usbd_do_request(sc->aue_udev, &req, &val);
324
325 if (err) {
326 DPRINTF(("%s: aue_csr_read_2: reg=0x%x err=%s\n",
327 USBDEVNAME(sc->aue_dev), reg, usbd_errstr(err)));
328 return (0);
329 }
330
331 return (UGETW(val));
332 }
333
334 Static int
335 aue_csr_write_1(struct aue_softc *sc, int reg, int aval)
336 {
337 usb_device_request_t req;
338 usbd_status err;
339 uByte val;
340
341 if (sc->aue_dying)
342 return (0);
343
344 val = aval;
345 req.bmRequestType = UT_WRITE_VENDOR_DEVICE;
346 req.bRequest = AUE_UR_WRITEREG;
347 USETW(req.wValue, val);
348 USETW(req.wIndex, reg);
349 USETW(req.wLength, 1);
350
351 err = usbd_do_request(sc->aue_udev, &req, &val);
352
353 if (err) {
354 DPRINTF(("%s: aue_csr_write_1: reg=0x%x err=%s\n",
355 USBDEVNAME(sc->aue_dev), reg, usbd_errstr(err)));
356 return (-1);
357 }
358
359 return (0);
360 }
361
362 Static int
363 aue_csr_write_2(struct aue_softc *sc, int reg, int aval)
364 {
365 usb_device_request_t req;
366 usbd_status err;
367 uWord val;
368
369 if (sc->aue_dying)
370 return (0);
371
372 USETW(val, aval);
373 req.bmRequestType = UT_WRITE_VENDOR_DEVICE;
374 req.bRequest = AUE_UR_WRITEREG;
375 USETW(req.wValue, aval);
376 USETW(req.wIndex, reg);
377 USETW(req.wLength, 2);
378
379 err = usbd_do_request(sc->aue_udev, &req, &val);
380
381 if (err) {
382 DPRINTF(("%s: aue_csr_write_2: reg=0x%x err=%s\n",
383 USBDEVNAME(sc->aue_dev), reg, usbd_errstr(err)));
384 return (-1);
385 }
386
387 return (0);
388 }
389
390 /*
391 * Read a word of data stored in the EEPROM at address 'addr.'
392 */
393 Static int
394 aue_eeprom_getword(struct aue_softc *sc, int addr)
395 {
396 int i;
397
398 aue_csr_write_1(sc, AUE_EE_REG, addr);
399 aue_csr_write_1(sc, AUE_EE_CTL, AUE_EECTL_READ);
400
401 for (i = 0; i < AUE_TIMEOUT; i++) {
402 if (aue_csr_read_1(sc, AUE_EE_CTL) & AUE_EECTL_DONE)
403 break;
404 }
405
406 if (i == AUE_TIMEOUT) {
407 printf("%s: EEPROM read timed out\n",
408 USBDEVNAME(sc->aue_dev));
409 }
410
411 return (aue_csr_read_2(sc, AUE_EE_DATA));
412 }
413
414 /*
415 * Read the MAC from the EEPROM. It's at offset 0.
416 */
417 Static void
418 aue_read_mac(struct aue_softc *sc, u_char *dest)
419 {
420 int i;
421 int off = 0;
422 int word;
423
424 DPRINTFN(5,("%s: %s: enter\n", USBDEVNAME(sc->aue_dev), __func__));
425
426 for (i = 0; i < 3; i++) {
427 word = aue_eeprom_getword(sc, off + i);
428 dest[2 * i] = (u_char)word;
429 dest[2 * i + 1] = (u_char)(word >> 8);
430 }
431 }
432
433 /* Get exclusive access to the MII registers */
434 Static void
435 aue_lock_mii(struct aue_softc *sc)
436 {
437 sc->aue_refcnt++;
438 lockmgr(&sc->aue_mii_lock, LK_EXCLUSIVE, NULL);
439 }
440
441 Static void
442 aue_unlock_mii(struct aue_softc *sc)
443 {
444 lockmgr(&sc->aue_mii_lock, LK_RELEASE, NULL);
445 if (--sc->aue_refcnt < 0)
446 usb_detach_wakeup(USBDEV(sc->aue_dev));
447 }
448
449 Static int
450 aue_miibus_readreg(device_ptr_t dev, int phy, int reg)
451 {
452 struct aue_softc *sc = USBGETSOFTC(dev);
453 int i;
454 u_int16_t val;
455
456 if (sc->aue_dying) {
457 #ifdef DIAGNOSTIC
458 printf("%s: dying\n", USBDEVNAME(sc->aue_dev));
459 #endif
460 return 0;
461 }
462
463 #if 0
464 /*
465 * The Am79C901 HomePNA PHY actually contains
466 * two transceivers: a 1Mbps HomePNA PHY and a
467 * 10Mbps full/half duplex ethernet PHY with
468 * NWAY autoneg. However in the ADMtek adapter,
469 * only the 1Mbps PHY is actually connected to
470 * anything, so we ignore the 10Mbps one. It
471 * happens to be configured for MII address 3,
472 * so we filter that out.
473 */
474 if (sc->aue_vendor == USB_VENDOR_ADMTEK &&
475 sc->aue_product == USB_PRODUCT_ADMTEK_PEGASUS) {
476 if (phy == 3)
477 return (0);
478 }
479 #endif
480
481 aue_lock_mii(sc);
482 aue_csr_write_1(sc, AUE_PHY_ADDR, phy);
483 aue_csr_write_1(sc, AUE_PHY_CTL, reg | AUE_PHYCTL_READ);
484
485 for (i = 0; i < AUE_TIMEOUT; i++) {
486 if (aue_csr_read_1(sc, AUE_PHY_CTL) & AUE_PHYCTL_DONE)
487 break;
488 }
489
490 if (i == AUE_TIMEOUT) {
491 printf("%s: MII read timed out\n", USBDEVNAME(sc->aue_dev));
492 }
493
494 val = aue_csr_read_2(sc, AUE_PHY_DATA);
495
496 DPRINTFN(11,("%s: %s: phy=%d reg=%d => 0x%04x\n",
497 USBDEVNAME(sc->aue_dev), __func__, phy, reg, val));
498
499 aue_unlock_mii(sc);
500 return (val);
501 }
502
503 Static void
504 aue_miibus_writereg(device_ptr_t dev, int phy, int reg, int data)
505 {
506 struct aue_softc *sc = USBGETSOFTC(dev);
507 int i;
508
509 #if 0
510 if (sc->aue_vendor == USB_VENDOR_ADMTEK &&
511 sc->aue_product == USB_PRODUCT_ADMTEK_PEGASUS) {
512 if (phy == 3)
513 return;
514 }
515 #endif
516
517 DPRINTFN(11,("%s: %s: phy=%d reg=%d data=0x%04x\n",
518 USBDEVNAME(sc->aue_dev), __func__, phy, reg, data));
519
520 aue_lock_mii(sc);
521 aue_csr_write_2(sc, AUE_PHY_DATA, data);
522 aue_csr_write_1(sc, AUE_PHY_ADDR, phy);
523 aue_csr_write_1(sc, AUE_PHY_CTL, reg | AUE_PHYCTL_WRITE);
524
525 for (i = 0; i < AUE_TIMEOUT; i++) {
526 if (aue_csr_read_1(sc, AUE_PHY_CTL) & AUE_PHYCTL_DONE)
527 break;
528 }
529
530 if (i == AUE_TIMEOUT) {
531 printf("%s: MII read timed out\n",
532 USBDEVNAME(sc->aue_dev));
533 }
534 aue_unlock_mii(sc);
535 }
536
537 Static void
538 aue_miibus_statchg(device_ptr_t dev)
539 {
540 struct aue_softc *sc = USBGETSOFTC(dev);
541 struct mii_data *mii = GET_MII(sc);
542
543 DPRINTFN(5,("%s: %s: enter\n", USBDEVNAME(sc->aue_dev), __func__));
544
545 aue_lock_mii(sc);
546 AUE_CLRBIT(sc, AUE_CTL0, AUE_CTL0_RX_ENB | AUE_CTL0_TX_ENB);
547
548 if (IFM_SUBTYPE(mii->mii_media_active) == IFM_100_TX) {
549 AUE_SETBIT(sc, AUE_CTL1, AUE_CTL1_SPEEDSEL);
550 } else {
551 AUE_CLRBIT(sc, AUE_CTL1, AUE_CTL1_SPEEDSEL);
552 }
553
554 if ((mii->mii_media_active & IFM_GMASK) == IFM_FDX)
555 AUE_SETBIT(sc, AUE_CTL1, AUE_CTL1_DUPLEX);
556 else
557 AUE_CLRBIT(sc, AUE_CTL1, AUE_CTL1_DUPLEX);
558
559 AUE_SETBIT(sc, AUE_CTL0, AUE_CTL0_RX_ENB | AUE_CTL0_TX_ENB);
560 aue_unlock_mii(sc);
561
562 /*
563 * Set the LED modes on the LinkSys adapter.
564 * This turns on the 'dual link LED' bin in the auxmode
565 * register of the Broadcom PHY.
566 */
567 if (!sc->aue_dying && (sc->aue_flags & LSYS)) {
568 u_int16_t auxmode;
569 auxmode = aue_miibus_readreg(dev, 0, 0x1b);
570 aue_miibus_writereg(dev, 0, 0x1b, auxmode | 0x04);
571 }
572 DPRINTFN(5,("%s: %s: exit\n", USBDEVNAME(sc->aue_dev), __func__));
573 }
574
575 #define AUE_POLY 0xEDB88320
576 #define AUE_BITS 6
577
578 Static u_int32_t
579 aue_crc(caddr_t addr)
580 {
581 u_int32_t idx, bit, data, crc;
582
583 /* Compute CRC for the address value. */
584 crc = 0xFFFFFFFF; /* initial value */
585
586 for (idx = 0; idx < 6; idx++) {
587 for (data = *addr++, bit = 0; bit < 8; bit++, data >>= 1)
588 crc = (crc >> 1) ^ (((crc ^ data) & 1) ? AUE_POLY : 0);
589 }
590
591 return (crc & ((1 << AUE_BITS) - 1));
592 }
593
594 Static void
595 aue_setmulti(struct aue_softc *sc)
596 {
597 struct ifnet *ifp;
598 struct ether_multi *enm;
599 struct ether_multistep step;
600 u_int32_t h = 0, i;
601
602 DPRINTFN(5,("%s: %s: enter\n", USBDEVNAME(sc->aue_dev), __func__));
603
604 ifp = GET_IFP(sc);
605
606 if (ifp->if_flags & IFF_PROMISC) {
607 allmulti:
608 ifp->if_flags |= IFF_ALLMULTI;
609 AUE_SETBIT(sc, AUE_CTL0, AUE_CTL0_ALLMULTI);
610 return;
611 }
612
613 AUE_CLRBIT(sc, AUE_CTL0, AUE_CTL0_ALLMULTI);
614
615 /* first, zot all the existing hash bits */
616 for (i = 0; i < 8; i++)
617 aue_csr_write_1(sc, AUE_MAR0 + i, 0);
618
619 /* now program new ones */
620 #if defined(__NetBSD__)
621 ETHER_FIRST_MULTI(step, &sc->aue_ec, enm);
622 #else
623 ETHER_FIRST_MULTI(step, &sc->arpcom, enm);
624 #endif
625 while (enm != NULL) {
626 if (memcmp(enm->enm_addrlo,
627 enm->enm_addrhi, ETHER_ADDR_LEN) != 0)
628 goto allmulti;
629
630 h = aue_crc(enm->enm_addrlo);
631 AUE_SETBIT(sc, AUE_MAR + (h >> 3), 1 << (h & 0x7));
632 ETHER_NEXT_MULTI(step, enm);
633 }
634
635 ifp->if_flags &= ~IFF_ALLMULTI;
636 }
637
638 Static void
639 aue_reset_pegasus_II(struct aue_softc *sc)
640 {
641 /* Magic constants taken from Linux driver. */
642 aue_csr_write_1(sc, AUE_REG_1D, 0);
643 aue_csr_write_1(sc, AUE_REG_7B, 2);
644 #if 0
645 if ((sc->aue_flags & HAS_HOME_PNA) && mii_mode)
646 aue_csr_write_1(sc, AUE_REG_81, 6);
647 else
648 #endif
649 aue_csr_write_1(sc, AUE_REG_81, 2);
650 }
651
652 Static void
653 aue_reset(struct aue_softc *sc)
654 {
655 int i;
656
657 DPRINTFN(2,("%s: %s: enter\n", USBDEVNAME(sc->aue_dev), __func__));
658
659 AUE_SETBIT(sc, AUE_CTL1, AUE_CTL1_RESETMAC);
660
661 for (i = 0; i < AUE_TIMEOUT; i++) {
662 if (!(aue_csr_read_1(sc, AUE_CTL1) & AUE_CTL1_RESETMAC))
663 break;
664 }
665
666 if (i == AUE_TIMEOUT)
667 printf("%s: reset failed\n", USBDEVNAME(sc->aue_dev));
668
669 #if 0
670 /* XXX what is mii_mode supposed to be */
671 if (sc->aue_mii_mode && (sc->aue_flags & PNA))
672 aue_csr_write_1(sc, AUE_GPIO1, 0x34);
673 else
674 aue_csr_write_1(sc, AUE_GPIO1, 0x26);
675 #endif
676
677 /*
678 * The PHY(s) attached to the Pegasus chip may be held
679 * in reset until we flip on the GPIO outputs. Make sure
680 * to set the GPIO pins high so that the PHY(s) will
681 * be enabled.
682 *
683 * Note: We force all of the GPIO pins low first, *then*
684 * enable the ones we want.
685 */
686 if (sc->aue_flags & LSYS) {
687 /* Grrr. LinkSys has to be different from everyone else. */
688 aue_csr_write_1(sc, AUE_GPIO0,
689 AUE_GPIO_SEL0 | AUE_GPIO_SEL1);
690 } else {
691 aue_csr_write_1(sc, AUE_GPIO0,
692 AUE_GPIO_OUT0 | AUE_GPIO_SEL0);
693 }
694 aue_csr_write_1(sc, AUE_GPIO0,
695 AUE_GPIO_OUT0 | AUE_GPIO_SEL0 | AUE_GPIO_SEL1);
696
697 if (sc->aue_flags & PII)
698 aue_reset_pegasus_II(sc);
699
700 /* Wait a little while for the chip to get its brains in order. */
701 delay(10000); /* XXX */
702 }
703
704 /*
705 * Probe for a Pegasus chip.
706 */
707 USB_MATCH(aue)
708 {
709 USB_MATCH_START(aue, uaa);
710
711 if (uaa->iface != NULL)
712 return (UMATCH_NONE);
713
714 return (aue_lookup(uaa->vendor, uaa->product) != NULL ?
715 UMATCH_VENDOR_PRODUCT : UMATCH_NONE);
716 }
717
718 /*
719 * Attach the interface. Allocate softc structures, do ifmedia
720 * setup and ethernet/BPF attach.
721 */
722 USB_ATTACH(aue)
723 {
724 USB_ATTACH_START(aue, sc, uaa);
725 char *devinfop;
726 int s;
727 u_char eaddr[ETHER_ADDR_LEN];
728 struct ifnet *ifp;
729 struct mii_data *mii;
730 usbd_device_handle dev = uaa->device;
731 usbd_interface_handle iface;
732 usbd_status err;
733 usb_interface_descriptor_t *id;
734 usb_endpoint_descriptor_t *ed;
735 int i;
736
737 DPRINTFN(5,(" : aue_attach: sc=%p", sc));
738
739 devinfop = usbd_devinfo_alloc(uaa->device, 0);
740 USB_ATTACH_SETUP;
741 printf("%s: %s\n", USBDEVNAME(sc->aue_dev), devinfop);
742 usbd_devinfo_free(devinfop);
743
744 err = usbd_set_config_no(dev, AUE_CONFIG_NO, 1);
745 if (err) {
746 printf("%s: setting config no failed\n",
747 USBDEVNAME(sc->aue_dev));
748 USB_ATTACH_ERROR_RETURN;
749 }
750
751 usb_init_task(&sc->aue_tick_task, aue_tick_task, sc);
752 usb_init_task(&sc->aue_stop_task, (void (*)(void *))aue_stop, sc);
753 lockinit(&sc->aue_mii_lock, PZERO, "auemii", 0, 0);
754
755 err = usbd_device2interface_handle(dev, AUE_IFACE_IDX, &iface);
756 if (err) {
757 printf("%s: getting interface handle failed\n",
758 USBDEVNAME(sc->aue_dev));
759 USB_ATTACH_ERROR_RETURN;
760 }
761
762 sc->aue_flags = aue_lookup(uaa->vendor, uaa->product)->aue_flags;
763
764 sc->aue_udev = dev;
765 sc->aue_iface = iface;
766 sc->aue_product = uaa->product;
767 sc->aue_vendor = uaa->vendor;
768
769 id = usbd_get_interface_descriptor(iface);
770
771 /* Find endpoints. */
772 for (i = 0; i < id->bNumEndpoints; i++) {
773 ed = usbd_interface2endpoint_descriptor(iface, i);
774 if (ed == NULL) {
775 printf("%s: couldn't get endpoint descriptor %d\n",
776 USBDEVNAME(sc->aue_dev), i);
777 USB_ATTACH_ERROR_RETURN;
778 }
779 if (UE_GET_DIR(ed->bEndpointAddress) == UE_DIR_IN &&
780 UE_GET_XFERTYPE(ed->bmAttributes) == UE_BULK) {
781 sc->aue_ed[AUE_ENDPT_RX] = ed->bEndpointAddress;
782 } else if (UE_GET_DIR(ed->bEndpointAddress) == UE_DIR_OUT &&
783 UE_GET_XFERTYPE(ed->bmAttributes) == UE_BULK) {
784 sc->aue_ed[AUE_ENDPT_TX] = ed->bEndpointAddress;
785 } else if (UE_GET_DIR(ed->bEndpointAddress) == UE_DIR_IN &&
786 UE_GET_XFERTYPE(ed->bmAttributes) == UE_INTERRUPT) {
787 sc->aue_ed[AUE_ENDPT_INTR] = ed->bEndpointAddress;
788 }
789 }
790
791 if (sc->aue_ed[AUE_ENDPT_RX] == 0 || sc->aue_ed[AUE_ENDPT_TX] == 0 ||
792 sc->aue_ed[AUE_ENDPT_INTR] == 0) {
793 printf("%s: missing endpoint\n", USBDEVNAME(sc->aue_dev));
794 USB_ATTACH_ERROR_RETURN;
795 }
796
797
798 s = splnet();
799
800 /* Reset the adapter. */
801 aue_reset(sc);
802
803 /*
804 * Get station address from the EEPROM.
805 */
806 aue_read_mac(sc, eaddr);
807
808 /*
809 * A Pegasus chip was detected. Inform the world.
810 */
811 ifp = GET_IFP(sc);
812 printf("%s: Ethernet address %s\n", USBDEVNAME(sc->aue_dev),
813 ether_sprintf(eaddr));
814
815 /* Initialize interface info.*/
816 ifp->if_softc = sc;
817 ifp->if_mtu = ETHERMTU;
818 ifp->if_flags = IFF_BROADCAST | IFF_SIMPLEX | IFF_MULTICAST;
819 ifp->if_ioctl = aue_ioctl;
820 ifp->if_start = aue_start;
821 ifp->if_watchdog = aue_watchdog;
822 #if defined(__OpenBSD__)
823 ifp->if_snd.ifq_maxlen = IFQ_MAXLEN;
824 #endif
825 strncpy(ifp->if_xname, USBDEVNAME(sc->aue_dev), IFNAMSIZ);
826
827 IFQ_SET_READY(&ifp->if_snd);
828
829 /* Initialize MII/media info. */
830 mii = &sc->aue_mii;
831 mii->mii_ifp = ifp;
832 mii->mii_readreg = aue_miibus_readreg;
833 mii->mii_writereg = aue_miibus_writereg;
834 mii->mii_statchg = aue_miibus_statchg;
835 mii->mii_flags = MIIF_AUTOTSLEEP;
836 ifmedia_init(&mii->mii_media, 0, aue_ifmedia_upd, aue_ifmedia_sts);
837 mii_attach(self, mii, 0xffffffff, MII_PHY_ANY, MII_OFFSET_ANY, 0);
838 if (LIST_FIRST(&mii->mii_phys) == NULL) {
839 ifmedia_add(&mii->mii_media, IFM_ETHER | IFM_NONE, 0, NULL);
840 ifmedia_set(&mii->mii_media, IFM_ETHER | IFM_NONE);
841 } else
842 ifmedia_set(&mii->mii_media, IFM_ETHER | IFM_AUTO);
843
844 /* Attach the interface. */
845 if_attach(ifp);
846 Ether_ifattach(ifp, eaddr);
847 #if NRND > 0
848 rnd_attach_source(&sc->rnd_source, USBDEVNAME(sc->aue_dev),
849 RND_TYPE_NET, 0);
850 #endif
851
852 usb_callout_init(sc->aue_stat_ch);
853
854 sc->aue_attached = 1;
855 splx(s);
856
857 usbd_add_drv_event(USB_EVENT_DRIVER_ATTACH, sc->aue_udev,
858 USBDEV(sc->aue_dev));
859
860 USB_ATTACH_SUCCESS_RETURN;
861 }
862
863 USB_DETACH(aue)
864 {
865 USB_DETACH_START(aue, sc);
866 struct ifnet *ifp = GET_IFP(sc);
867 int s;
868
869 DPRINTFN(2,("%s: %s: enter\n", USBDEVNAME(sc->aue_dev), __func__));
870
871 if (!sc->aue_attached) {
872 /* Detached before attached finished, so just bail out. */
873 return (0);
874 }
875
876 usb_uncallout(sc->aue_stat_ch, aue_tick, sc);
877 /*
878 * Remove any pending tasks. They cannot be executing because they run
879 * in the same thread as detach.
880 */
881 usb_rem_task(sc->aue_udev, &sc->aue_tick_task);
882 usb_rem_task(sc->aue_udev, &sc->aue_stop_task);
883
884 s = splusb();
885
886 if (ifp->if_flags & IFF_RUNNING)
887 aue_stop(sc);
888
889 #if defined(__NetBSD__)
890 #if NRND > 0
891 rnd_detach_source(&sc->rnd_source);
892 #endif
893 mii_detach(&sc->aue_mii, MII_PHY_ANY, MII_OFFSET_ANY);
894 ifmedia_delete_instance(&sc->aue_mii.mii_media, IFM_INST_ANY);
895 ether_ifdetach(ifp);
896 #endif /* __NetBSD__ */
897
898 if_detach(ifp);
899
900 #ifdef DIAGNOSTIC
901 if (sc->aue_ep[AUE_ENDPT_TX] != NULL ||
902 sc->aue_ep[AUE_ENDPT_RX] != NULL ||
903 sc->aue_ep[AUE_ENDPT_INTR] != NULL)
904 printf("%s: detach has active endpoints\n",
905 USBDEVNAME(sc->aue_dev));
906 #endif
907
908 sc->aue_attached = 0;
909
910 if (--sc->aue_refcnt >= 0) {
911 /* Wait for processes to go away. */
912 usb_detach_wait(USBDEV(sc->aue_dev));
913 }
914 splx(s);
915
916 usbd_add_drv_event(USB_EVENT_DRIVER_DETACH, sc->aue_udev,
917 USBDEV(sc->aue_dev));
918
919 return (0);
920 }
921
922 int
923 aue_activate(device_ptr_t self, enum devact act)
924 {
925 struct aue_softc *sc = (struct aue_softc *)self;
926
927 DPRINTFN(2,("%s: %s: enter\n", USBDEVNAME(sc->aue_dev), __func__));
928
929 switch (act) {
930 case DVACT_ACTIVATE:
931 return (EOPNOTSUPP);
932 break;
933
934 case DVACT_DEACTIVATE:
935 if_deactivate(&sc->aue_ec.ec_if);
936 sc->aue_dying = 1;
937 break;
938 }
939 return (0);
940 }
941
942 /*
943 * Initialize an RX descriptor and attach an MBUF cluster.
944 */
945 Static int
946 aue_newbuf(struct aue_softc *sc, struct aue_chain *c, struct mbuf *m)
947 {
948 struct mbuf *m_new = NULL;
949
950 DPRINTFN(10,("%s: %s: enter\n", USBDEVNAME(sc->aue_dev),__func__));
951
952 if (m == NULL) {
953 MGETHDR(m_new, M_DONTWAIT, MT_DATA);
954 if (m_new == NULL) {
955 printf("%s: no memory for rx list "
956 "-- packet dropped!\n", USBDEVNAME(sc->aue_dev));
957 return (ENOBUFS);
958 }
959
960 MCLGET(m_new, M_DONTWAIT);
961 if (!(m_new->m_flags & M_EXT)) {
962 printf("%s: no memory for rx list "
963 "-- packet dropped!\n", USBDEVNAME(sc->aue_dev));
964 m_freem(m_new);
965 return (ENOBUFS);
966 }
967 m_new->m_len = m_new->m_pkthdr.len = MCLBYTES;
968 } else {
969 m_new = m;
970 m_new->m_len = m_new->m_pkthdr.len = MCLBYTES;
971 m_new->m_data = m_new->m_ext.ext_buf;
972 }
973
974 m_adj(m_new, ETHER_ALIGN);
975 c->aue_mbuf = m_new;
976
977 return (0);
978 }
979
980 Static int
981 aue_rx_list_init(struct aue_softc *sc)
982 {
983 struct aue_cdata *cd;
984 struct aue_chain *c;
985 int i;
986
987 DPRINTFN(5,("%s: %s: enter\n", USBDEVNAME(sc->aue_dev), __func__));
988
989 cd = &sc->aue_cdata;
990 for (i = 0; i < AUE_RX_LIST_CNT; i++) {
991 c = &cd->aue_rx_chain[i];
992 c->aue_sc = sc;
993 c->aue_idx = i;
994 if (aue_newbuf(sc, c, NULL) == ENOBUFS)
995 return (ENOBUFS);
996 if (c->aue_xfer == NULL) {
997 c->aue_xfer = usbd_alloc_xfer(sc->aue_udev);
998 if (c->aue_xfer == NULL)
999 return (ENOBUFS);
1000 c->aue_buf = usbd_alloc_buffer(c->aue_xfer, AUE_BUFSZ);
1001 if (c->aue_buf == NULL)
1002 return (ENOBUFS); /* XXX free xfer */
1003 }
1004 }
1005
1006 return (0);
1007 }
1008
1009 Static int
1010 aue_tx_list_init(struct aue_softc *sc)
1011 {
1012 struct aue_cdata *cd;
1013 struct aue_chain *c;
1014 int i;
1015
1016 DPRINTFN(5,("%s: %s: enter\n", USBDEVNAME(sc->aue_dev), __func__));
1017
1018 cd = &sc->aue_cdata;
1019 for (i = 0; i < AUE_TX_LIST_CNT; i++) {
1020 c = &cd->aue_tx_chain[i];
1021 c->aue_sc = sc;
1022 c->aue_idx = i;
1023 c->aue_mbuf = NULL;
1024 if (c->aue_xfer == NULL) {
1025 c->aue_xfer = usbd_alloc_xfer(sc->aue_udev);
1026 if (c->aue_xfer == NULL)
1027 return (ENOBUFS);
1028 c->aue_buf = usbd_alloc_buffer(c->aue_xfer, AUE_BUFSZ);
1029 if (c->aue_buf == NULL)
1030 return (ENOBUFS);
1031 }
1032 }
1033
1034 return (0);
1035 }
1036
1037 Static void
1038 aue_intr(usbd_xfer_handle xfer, usbd_private_handle priv, usbd_status status)
1039 {
1040 struct aue_softc *sc = priv;
1041 struct ifnet *ifp = GET_IFP(sc);
1042 struct aue_intrpkt *p = &sc->aue_cdata.aue_ibuf;
1043
1044 DPRINTFN(15,("%s: %s: enter\n", USBDEVNAME(sc->aue_dev),__func__));
1045
1046 if (sc->aue_dying)
1047 return;
1048
1049 if (!(ifp->if_flags & IFF_RUNNING))
1050 return;
1051
1052 if (status != USBD_NORMAL_COMPLETION) {
1053 if (status == USBD_NOT_STARTED || status == USBD_CANCELLED) {
1054 return;
1055 }
1056 sc->aue_intr_errs++;
1057 if (usbd_ratecheck(&sc->aue_rx_notice)) {
1058 printf("%s: %u usb errors on intr: %s\n",
1059 USBDEVNAME(sc->aue_dev), sc->aue_intr_errs,
1060 usbd_errstr(status));
1061 sc->aue_intr_errs = 0;
1062 }
1063 if (status == USBD_STALLED)
1064 usbd_clear_endpoint_stall_async(sc->aue_ep[AUE_ENDPT_RX]);
1065 return;
1066 }
1067
1068 if (p->aue_txstat0)
1069 ifp->if_oerrors++;
1070
1071 if (p->aue_txstat0 & (AUE_TXSTAT0_LATECOLL | AUE_TXSTAT0_EXCESSCOLL))
1072 ifp->if_collisions++;
1073 }
1074
1075 /*
1076 * A frame has been uploaded: pass the resulting mbuf chain up to
1077 * the higher level protocols.
1078 */
1079 Static void
1080 aue_rxeof(usbd_xfer_handle xfer, usbd_private_handle priv, usbd_status status)
1081 {
1082 struct aue_chain *c = priv;
1083 struct aue_softc *sc = c->aue_sc;
1084 struct ifnet *ifp = GET_IFP(sc);
1085 struct mbuf *m;
1086 u_int32_t total_len;
1087 struct aue_rxpkt r;
1088 int s;
1089
1090 DPRINTFN(10,("%s: %s: enter\n", USBDEVNAME(sc->aue_dev),__func__));
1091
1092 if (sc->aue_dying)
1093 return;
1094
1095 if (!(ifp->if_flags & IFF_RUNNING))
1096 return;
1097
1098 if (status != USBD_NORMAL_COMPLETION) {
1099 if (status == USBD_NOT_STARTED || status == USBD_CANCELLED)
1100 return;
1101 sc->aue_rx_errs++;
1102 if (usbd_ratecheck(&sc->aue_rx_notice)) {
1103 printf("%s: %u usb errors on rx: %s\n",
1104 USBDEVNAME(sc->aue_dev), sc->aue_rx_errs,
1105 usbd_errstr(status));
1106 sc->aue_rx_errs = 0;
1107 }
1108 if (status == USBD_STALLED)
1109 usbd_clear_endpoint_stall_async(sc->aue_ep[AUE_ENDPT_RX]);
1110 goto done;
1111 }
1112
1113 usbd_get_xfer_status(xfer, NULL, NULL, &total_len, NULL);
1114
1115 memcpy(mtod(c->aue_mbuf, char *), c->aue_buf, total_len);
1116
1117 if (total_len <= 4 + ETHER_CRC_LEN) {
1118 ifp->if_ierrors++;
1119 goto done;
1120 }
1121
1122 memcpy(&r, c->aue_buf + total_len - 4, sizeof(r));
1123
1124 /* Turn off all the non-error bits in the rx status word. */
1125 r.aue_rxstat &= AUE_RXSTAT_MASK;
1126 if (r.aue_rxstat) {
1127 ifp->if_ierrors++;
1128 goto done;
1129 }
1130
1131 /* No errors; receive the packet. */
1132 m = c->aue_mbuf;
1133 total_len -= ETHER_CRC_LEN + 4;
1134 m->m_pkthdr.len = m->m_len = total_len;
1135 ifp->if_ipackets++;
1136
1137 m->m_pkthdr.rcvif = ifp;
1138
1139 s = splnet();
1140
1141 /* XXX ugly */
1142 if (aue_newbuf(sc, c, NULL) == ENOBUFS) {
1143 ifp->if_ierrors++;
1144 goto done1;
1145 }
1146
1147 #if NBPFILTER > 0
1148 /*
1149 * Handle BPF listeners. Let the BPF user see the packet, but
1150 * don't pass it up to the ether_input() layer unless it's
1151 * a broadcast packet, multicast packet, matches our ethernet
1152 * address or the interface is in promiscuous mode.
1153 */
1154 if (ifp->if_bpf)
1155 BPF_MTAP(ifp, m);
1156 #endif
1157
1158 DPRINTFN(10,("%s: %s: deliver %d\n", USBDEVNAME(sc->aue_dev),
1159 __func__, m->m_len));
1160 IF_INPUT(ifp, m);
1161 done1:
1162 splx(s);
1163
1164 done:
1165
1166 /* Setup new transfer. */
1167 usbd_setup_xfer(xfer, sc->aue_ep[AUE_ENDPT_RX],
1168 c, c->aue_buf, AUE_BUFSZ,
1169 USBD_SHORT_XFER_OK | USBD_NO_COPY,
1170 USBD_NO_TIMEOUT, aue_rxeof);
1171 usbd_transfer(xfer);
1172
1173 DPRINTFN(10,("%s: %s: start rx\n", USBDEVNAME(sc->aue_dev),
1174 __func__));
1175 }
1176
1177 /*
1178 * A frame was downloaded to the chip. It's safe for us to clean up
1179 * the list buffers.
1180 */
1181
1182 Static void
1183 aue_txeof(usbd_xfer_handle xfer, usbd_private_handle priv, usbd_status status)
1184 {
1185 struct aue_chain *c = priv;
1186 struct aue_softc *sc = c->aue_sc;
1187 struct ifnet *ifp = GET_IFP(sc);
1188 int s;
1189
1190 if (sc->aue_dying)
1191 return;
1192
1193 s = splnet();
1194
1195 DPRINTFN(10,("%s: %s: enter status=%d\n", USBDEVNAME(sc->aue_dev),
1196 __func__, status));
1197
1198 ifp->if_timer = 0;
1199 ifp->if_flags &= ~IFF_OACTIVE;
1200
1201 if (status != USBD_NORMAL_COMPLETION) {
1202 if (status == USBD_NOT_STARTED || status == USBD_CANCELLED) {
1203 splx(s);
1204 return;
1205 }
1206 ifp->if_oerrors++;
1207 printf("%s: usb error on tx: %s\n", USBDEVNAME(sc->aue_dev),
1208 usbd_errstr(status));
1209 if (status == USBD_STALLED)
1210 usbd_clear_endpoint_stall_async(sc->aue_ep[AUE_ENDPT_TX]);
1211 splx(s);
1212 return;
1213 }
1214
1215 ifp->if_opackets++;
1216
1217 m_freem(c->aue_mbuf);
1218 c->aue_mbuf = NULL;
1219
1220 if (IFQ_IS_EMPTY(&ifp->if_snd) == 0)
1221 aue_start(ifp);
1222
1223 splx(s);
1224 }
1225
1226 Static void
1227 aue_tick(void *xsc)
1228 {
1229 struct aue_softc *sc = xsc;
1230
1231 DPRINTFN(15,("%s: %s: enter\n", USBDEVNAME(sc->aue_dev),__func__));
1232
1233 if (sc == NULL)
1234 return;
1235
1236 if (sc->aue_dying)
1237 return;
1238
1239 /* Perform periodic stuff in process context. */
1240 usb_add_task(sc->aue_udev, &sc->aue_tick_task);
1241 }
1242
1243 Static void
1244 aue_tick_task(void *xsc)
1245 {
1246 struct aue_softc *sc = xsc;
1247 struct ifnet *ifp;
1248 struct mii_data *mii;
1249 int s;
1250
1251 DPRINTFN(15,("%s: %s: enter\n", USBDEVNAME(sc->aue_dev),__func__));
1252
1253 if (sc->aue_dying)
1254 return;
1255
1256 ifp = GET_IFP(sc);
1257 mii = GET_MII(sc);
1258 if (mii == NULL)
1259 return;
1260
1261 s = splnet();
1262
1263 mii_tick(mii);
1264 if (!sc->aue_link) {
1265 mii_pollstat(mii); /* XXX FreeBSD has removed this call */
1266 if (mii->mii_media_status & IFM_ACTIVE &&
1267 IFM_SUBTYPE(mii->mii_media_active) != IFM_NONE) {
1268 DPRINTFN(2,("%s: %s: got link\n",
1269 USBDEVNAME(sc->aue_dev),__func__));
1270 sc->aue_link++;
1271 if (IFQ_IS_EMPTY(&ifp->if_snd) == 0)
1272 aue_start(ifp);
1273 }
1274 }
1275
1276 usb_callout(sc->aue_stat_ch, hz, aue_tick, sc);
1277
1278 splx(s);
1279 }
1280
1281 Static int
1282 aue_send(struct aue_softc *sc, struct mbuf *m, int idx)
1283 {
1284 int total_len;
1285 struct aue_chain *c;
1286 usbd_status err;
1287
1288 DPRINTFN(10,("%s: %s: enter\n", USBDEVNAME(sc->aue_dev),__func__));
1289
1290 c = &sc->aue_cdata.aue_tx_chain[idx];
1291
1292 /*
1293 * Copy the mbuf data into a contiguous buffer, leaving two
1294 * bytes at the beginning to hold the frame length.
1295 */
1296 m_copydata(m, 0, m->m_pkthdr.len, c->aue_buf + 2);
1297 c->aue_mbuf = m;
1298
1299 /*
1300 * The ADMtek documentation says that the packet length is
1301 * supposed to be specified in the first two bytes of the
1302 * transfer, however it actually seems to ignore this info
1303 * and base the frame size on the bulk transfer length.
1304 */
1305 c->aue_buf[0] = (u_int8_t)m->m_pkthdr.len;
1306 c->aue_buf[1] = (u_int8_t)(m->m_pkthdr.len >> 8);
1307 total_len = m->m_pkthdr.len + 2;
1308
1309 usbd_setup_xfer(c->aue_xfer, sc->aue_ep[AUE_ENDPT_TX],
1310 c, c->aue_buf, total_len, USBD_FORCE_SHORT_XFER | USBD_NO_COPY,
1311 AUE_TX_TIMEOUT, aue_txeof);
1312
1313 /* Transmit */
1314 err = usbd_transfer(c->aue_xfer);
1315 if (err != USBD_IN_PROGRESS) {
1316 printf("%s: aue_send error=%s\n", USBDEVNAME(sc->aue_dev),
1317 usbd_errstr(err));
1318 /* Stop the interface from process context. */
1319 usb_add_task(sc->aue_udev, &sc->aue_stop_task);
1320 return (EIO);
1321 }
1322 DPRINTFN(5,("%s: %s: send %d bytes\n", USBDEVNAME(sc->aue_dev),
1323 __func__, total_len));
1324
1325 sc->aue_cdata.aue_tx_cnt++;
1326
1327 return (0);
1328 }
1329
1330 Static void
1331 aue_start(struct ifnet *ifp)
1332 {
1333 struct aue_softc *sc = ifp->if_softc;
1334 struct mbuf *m_head = NULL;
1335
1336 DPRINTFN(5,("%s: %s: enter, link=%d\n", USBDEVNAME(sc->aue_dev),
1337 __func__, sc->aue_link));
1338
1339 if (sc->aue_dying)
1340 return;
1341
1342 if (!sc->aue_link)
1343 return;
1344
1345 if (ifp->if_flags & IFF_OACTIVE)
1346 return;
1347
1348 IFQ_POLL(&ifp->if_snd, m_head);
1349 if (m_head == NULL)
1350 return;
1351
1352 if (aue_send(sc, m_head, 0)) {
1353 ifp->if_flags |= IFF_OACTIVE;
1354 return;
1355 }
1356
1357 IFQ_DEQUEUE(&ifp->if_snd, m_head);
1358
1359 #if NBPFILTER > 0
1360 /*
1361 * If there's a BPF listener, bounce a copy of this frame
1362 * to him.
1363 */
1364 if (ifp->if_bpf)
1365 BPF_MTAP(ifp, m_head);
1366 #endif
1367
1368 ifp->if_flags |= IFF_OACTIVE;
1369
1370 /*
1371 * Set a timeout in case the chip goes out to lunch.
1372 */
1373 ifp->if_timer = 5;
1374 }
1375
1376 Static void
1377 aue_init(void *xsc)
1378 {
1379 struct aue_softc *sc = xsc;
1380 struct ifnet *ifp = GET_IFP(sc);
1381 struct mii_data *mii = GET_MII(sc);
1382 int i, s;
1383 u_char *eaddr;
1384
1385 DPRINTFN(5,("%s: %s: enter\n", USBDEVNAME(sc->aue_dev), __func__));
1386
1387 if (sc->aue_dying)
1388 return;
1389
1390 if (ifp->if_flags & IFF_RUNNING)
1391 return;
1392
1393 s = splnet();
1394
1395 /*
1396 * Cancel pending I/O and free all RX/TX buffers.
1397 */
1398 aue_reset(sc);
1399
1400 #if defined(__OpenBSD__)
1401 eaddr = sc->arpcom.ac_enaddr;
1402 #elif defined(__NetBSD__)
1403 eaddr = LLADDR(ifp->if_sadl);
1404 #endif /* defined(__NetBSD__) */
1405 for (i = 0; i < ETHER_ADDR_LEN; i++)
1406 aue_csr_write_1(sc, AUE_PAR0 + i, eaddr[i]);
1407
1408 /* If we want promiscuous mode, set the allframes bit. */
1409 if (ifp->if_flags & IFF_PROMISC)
1410 AUE_SETBIT(sc, AUE_CTL2, AUE_CTL2_RX_PROMISC);
1411 else
1412 AUE_CLRBIT(sc, AUE_CTL2, AUE_CTL2_RX_PROMISC);
1413
1414 /* Init TX ring. */
1415 if (aue_tx_list_init(sc) == ENOBUFS) {
1416 printf("%s: tx list init failed\n", USBDEVNAME(sc->aue_dev));
1417 splx(s);
1418 return;
1419 }
1420
1421 /* Init RX ring. */
1422 if (aue_rx_list_init(sc) == ENOBUFS) {
1423 printf("%s: rx list init failed\n", USBDEVNAME(sc->aue_dev));
1424 splx(s);
1425 return;
1426 }
1427
1428 /* Load the multicast filter. */
1429 aue_setmulti(sc);
1430
1431 /* Enable RX and TX */
1432 aue_csr_write_1(sc, AUE_CTL0, AUE_CTL0_RXSTAT_APPEND | AUE_CTL0_RX_ENB);
1433 AUE_SETBIT(sc, AUE_CTL0, AUE_CTL0_TX_ENB);
1434 AUE_SETBIT(sc, AUE_CTL2, AUE_CTL2_EP3_CLR);
1435
1436 mii_mediachg(mii);
1437
1438 if (sc->aue_ep[AUE_ENDPT_RX] == NULL) {
1439 if (aue_openpipes(sc)) {
1440 splx(s);
1441 return;
1442 }
1443 }
1444
1445 ifp->if_flags |= IFF_RUNNING;
1446 ifp->if_flags &= ~IFF_OACTIVE;
1447
1448 splx(s);
1449
1450 usb_callout(sc->aue_stat_ch, hz, aue_tick, sc);
1451 }
1452
1453 Static int
1454 aue_openpipes(struct aue_softc *sc)
1455 {
1456 struct aue_chain *c;
1457 usbd_status err;
1458 int i;
1459
1460 /* Open RX and TX pipes. */
1461 err = usbd_open_pipe(sc->aue_iface, sc->aue_ed[AUE_ENDPT_RX],
1462 USBD_EXCLUSIVE_USE, &sc->aue_ep[AUE_ENDPT_RX]);
1463 if (err) {
1464 printf("%s: open rx pipe failed: %s\n",
1465 USBDEVNAME(sc->aue_dev), usbd_errstr(err));
1466 return (EIO);
1467 }
1468 err = usbd_open_pipe(sc->aue_iface, sc->aue_ed[AUE_ENDPT_TX],
1469 USBD_EXCLUSIVE_USE, &sc->aue_ep[AUE_ENDPT_TX]);
1470 if (err) {
1471 printf("%s: open tx pipe failed: %s\n",
1472 USBDEVNAME(sc->aue_dev), usbd_errstr(err));
1473 return (EIO);
1474 }
1475 err = usbd_open_pipe_intr(sc->aue_iface, sc->aue_ed[AUE_ENDPT_INTR],
1476 USBD_EXCLUSIVE_USE, &sc->aue_ep[AUE_ENDPT_INTR], sc,
1477 &sc->aue_cdata.aue_ibuf, AUE_INTR_PKTLEN, aue_intr,
1478 AUE_INTR_INTERVAL);
1479 if (err) {
1480 printf("%s: open intr pipe failed: %s\n",
1481 USBDEVNAME(sc->aue_dev), usbd_errstr(err));
1482 return (EIO);
1483 }
1484
1485 /* Start up the receive pipe. */
1486 for (i = 0; i < AUE_RX_LIST_CNT; i++) {
1487 c = &sc->aue_cdata.aue_rx_chain[i];
1488 usbd_setup_xfer(c->aue_xfer, sc->aue_ep[AUE_ENDPT_RX],
1489 c, c->aue_buf, AUE_BUFSZ,
1490 USBD_SHORT_XFER_OK | USBD_NO_COPY, USBD_NO_TIMEOUT,
1491 aue_rxeof);
1492 (void)usbd_transfer(c->aue_xfer); /* XXX */
1493 DPRINTFN(5,("%s: %s: start read\n", USBDEVNAME(sc->aue_dev),
1494 __func__));
1495
1496 }
1497 return (0);
1498 }
1499
1500 /*
1501 * Set media options.
1502 */
1503 Static int
1504 aue_ifmedia_upd(struct ifnet *ifp)
1505 {
1506 struct aue_softc *sc = ifp->if_softc;
1507 struct mii_data *mii = GET_MII(sc);
1508
1509 DPRINTFN(5,("%s: %s: enter\n", USBDEVNAME(sc->aue_dev), __func__));
1510
1511 if (sc->aue_dying)
1512 return (0);
1513
1514 sc->aue_link = 0;
1515 if (mii->mii_instance) {
1516 struct mii_softc *miisc;
1517 for (miisc = LIST_FIRST(&mii->mii_phys); miisc != NULL;
1518 miisc = LIST_NEXT(miisc, mii_list))
1519 mii_phy_reset(miisc);
1520 }
1521 mii_mediachg(mii);
1522
1523 return (0);
1524 }
1525
1526 /*
1527 * Report current media status.
1528 */
1529 Static void
1530 aue_ifmedia_sts(struct ifnet *ifp, struct ifmediareq *ifmr)
1531 {
1532 struct aue_softc *sc = ifp->if_softc;
1533 struct mii_data *mii = GET_MII(sc);
1534
1535 DPRINTFN(5,("%s: %s: enter\n", USBDEVNAME(sc->aue_dev), __func__));
1536
1537 mii_pollstat(mii);
1538 ifmr->ifm_active = mii->mii_media_active;
1539 ifmr->ifm_status = mii->mii_media_status;
1540 }
1541
1542 Static int
1543 aue_ioctl(struct ifnet *ifp, u_long command, caddr_t data)
1544 {
1545 struct aue_softc *sc = ifp->if_softc;
1546 struct ifaddr *ifa = (struct ifaddr *)data;
1547 struct ifreq *ifr = (struct ifreq *)data;
1548 struct mii_data *mii;
1549 int s, error = 0;
1550
1551 if (sc->aue_dying)
1552 return (EIO);
1553
1554 s = splnet();
1555
1556 switch(command) {
1557 case SIOCSIFADDR:
1558 ifp->if_flags |= IFF_UP;
1559 aue_init(sc);
1560
1561 switch (ifa->ifa_addr->sa_family) {
1562 #ifdef INET
1563 case AF_INET:
1564 #if defined(__NetBSD__)
1565 arp_ifinit(ifp, ifa);
1566 #else
1567 arp_ifinit(&sc->arpcom, ifa);
1568 #endif
1569 break;
1570 #endif /* INET */
1571 #ifdef NS
1572 case AF_NS:
1573 {
1574 struct ns_addr *ina = &IA_SNS(ifa)->sns_addr;
1575
1576 if (ns_nullhost(*ina))
1577 ina->x_host = *(union ns_host *)
1578 LLADDR(ifp->if_sadl);
1579 else
1580 memcpy(LLADDR(ifp->if_sadl),
1581 ina->x_host.c_host,
1582 ifp->if_addrlen);
1583 break;
1584 }
1585 #endif /* NS */
1586 }
1587 break;
1588
1589 case SIOCSIFMTU:
1590 if (ifr->ifr_mtu > ETHERMTU)
1591 error = EINVAL;
1592 else
1593 ifp->if_mtu = ifr->ifr_mtu;
1594 break;
1595
1596 case SIOCSIFFLAGS:
1597 if (ifp->if_flags & IFF_UP) {
1598 if (ifp->if_flags & IFF_RUNNING &&
1599 ifp->if_flags & IFF_PROMISC &&
1600 !(sc->aue_if_flags & IFF_PROMISC)) {
1601 AUE_SETBIT(sc, AUE_CTL2, AUE_CTL2_RX_PROMISC);
1602 } else if (ifp->if_flags & IFF_RUNNING &&
1603 !(ifp->if_flags & IFF_PROMISC) &&
1604 sc->aue_if_flags & IFF_PROMISC) {
1605 AUE_CLRBIT(sc, AUE_CTL2, AUE_CTL2_RX_PROMISC);
1606 } else if (!(ifp->if_flags & IFF_RUNNING))
1607 aue_init(sc);
1608 } else {
1609 if (ifp->if_flags & IFF_RUNNING)
1610 aue_stop(sc);
1611 }
1612 sc->aue_if_flags = ifp->if_flags;
1613 error = 0;
1614 break;
1615 case SIOCADDMULTI:
1616 case SIOCDELMULTI:
1617 error = (command == SIOCADDMULTI) ?
1618 ether_addmulti(ifr, &sc->aue_ec) :
1619 ether_delmulti(ifr, &sc->aue_ec);
1620 if (error == ENETRESET) {
1621 if (ifp->if_flags & IFF_RUNNING) {
1622 aue_init(sc);
1623 aue_setmulti(sc);
1624 }
1625 error = 0;
1626 }
1627 break;
1628 case SIOCGIFMEDIA:
1629 case SIOCSIFMEDIA:
1630 mii = GET_MII(sc);
1631 error = ifmedia_ioctl(ifp, ifr, &mii->mii_media, command);
1632 break;
1633 default:
1634 error = EINVAL;
1635 break;
1636 }
1637
1638 splx(s);
1639
1640 return (error);
1641 }
1642
1643 Static void
1644 aue_watchdog(struct ifnet *ifp)
1645 {
1646 struct aue_softc *sc = ifp->if_softc;
1647 struct aue_chain *c;
1648 usbd_status stat;
1649 int s;
1650
1651 DPRINTFN(5,("%s: %s: enter\n", USBDEVNAME(sc->aue_dev), __func__));
1652
1653 ifp->if_oerrors++;
1654 printf("%s: watchdog timeout\n", USBDEVNAME(sc->aue_dev));
1655
1656 s = splusb();
1657 c = &sc->aue_cdata.aue_tx_chain[0];
1658 usbd_get_xfer_status(c->aue_xfer, NULL, NULL, NULL, &stat);
1659 aue_txeof(c->aue_xfer, c, stat);
1660
1661 if (IFQ_IS_EMPTY(&ifp->if_snd) == 0)
1662 aue_start(ifp);
1663 splx(s);
1664 }
1665
1666 /*
1667 * Stop the adapter and free any mbufs allocated to the
1668 * RX and TX lists.
1669 */
1670 Static void
1671 aue_stop(struct aue_softc *sc)
1672 {
1673 usbd_status err;
1674 struct ifnet *ifp;
1675 int i;
1676
1677 DPRINTFN(5,("%s: %s: enter\n", USBDEVNAME(sc->aue_dev), __func__));
1678
1679 ifp = GET_IFP(sc);
1680 ifp->if_timer = 0;
1681
1682 aue_csr_write_1(sc, AUE_CTL0, 0);
1683 aue_csr_write_1(sc, AUE_CTL1, 0);
1684 aue_reset(sc);
1685 usb_uncallout(sc->aue_stat_ch, aue_tick, sc);
1686
1687 /* Stop transfers. */
1688 if (sc->aue_ep[AUE_ENDPT_RX] != NULL) {
1689 err = usbd_abort_pipe(sc->aue_ep[AUE_ENDPT_RX]);
1690 if (err) {
1691 printf("%s: abort rx pipe failed: %s\n",
1692 USBDEVNAME(sc->aue_dev), usbd_errstr(err));
1693 }
1694 err = usbd_close_pipe(sc->aue_ep[AUE_ENDPT_RX]);
1695 if (err) {
1696 printf("%s: close rx pipe failed: %s\n",
1697 USBDEVNAME(sc->aue_dev), usbd_errstr(err));
1698 }
1699 sc->aue_ep[AUE_ENDPT_RX] = NULL;
1700 }
1701
1702 if (sc->aue_ep[AUE_ENDPT_TX] != NULL) {
1703 err = usbd_abort_pipe(sc->aue_ep[AUE_ENDPT_TX]);
1704 if (err) {
1705 printf("%s: abort tx pipe failed: %s\n",
1706 USBDEVNAME(sc->aue_dev), usbd_errstr(err));
1707 }
1708 err = usbd_close_pipe(sc->aue_ep[AUE_ENDPT_TX]);
1709 if (err) {
1710 printf("%s: close tx pipe failed: %s\n",
1711 USBDEVNAME(sc->aue_dev), usbd_errstr(err));
1712 }
1713 sc->aue_ep[AUE_ENDPT_TX] = NULL;
1714 }
1715
1716 if (sc->aue_ep[AUE_ENDPT_INTR] != NULL) {
1717 err = usbd_abort_pipe(sc->aue_ep[AUE_ENDPT_INTR]);
1718 if (err) {
1719 printf("%s: abort intr pipe failed: %s\n",
1720 USBDEVNAME(sc->aue_dev), usbd_errstr(err));
1721 }
1722 err = usbd_close_pipe(sc->aue_ep[AUE_ENDPT_INTR]);
1723 if (err) {
1724 printf("%s: close intr pipe failed: %s\n",
1725 USBDEVNAME(sc->aue_dev), usbd_errstr(err));
1726 }
1727 sc->aue_ep[AUE_ENDPT_INTR] = NULL;
1728 }
1729
1730 /* Free RX resources. */
1731 for (i = 0; i < AUE_RX_LIST_CNT; i++) {
1732 if (sc->aue_cdata.aue_rx_chain[i].aue_mbuf != NULL) {
1733 m_freem(sc->aue_cdata.aue_rx_chain[i].aue_mbuf);
1734 sc->aue_cdata.aue_rx_chain[i].aue_mbuf = NULL;
1735 }
1736 if (sc->aue_cdata.aue_rx_chain[i].aue_xfer != NULL) {
1737 usbd_free_xfer(sc->aue_cdata.aue_rx_chain[i].aue_xfer);
1738 sc->aue_cdata.aue_rx_chain[i].aue_xfer = NULL;
1739 }
1740 }
1741
1742 /* Free TX resources. */
1743 for (i = 0; i < AUE_TX_LIST_CNT; i++) {
1744 if (sc->aue_cdata.aue_tx_chain[i].aue_mbuf != NULL) {
1745 m_freem(sc->aue_cdata.aue_tx_chain[i].aue_mbuf);
1746 sc->aue_cdata.aue_tx_chain[i].aue_mbuf = NULL;
1747 }
1748 if (sc->aue_cdata.aue_tx_chain[i].aue_xfer != NULL) {
1749 usbd_free_xfer(sc->aue_cdata.aue_tx_chain[i].aue_xfer);
1750 sc->aue_cdata.aue_tx_chain[i].aue_xfer = NULL;
1751 }
1752 }
1753
1754 sc->aue_link = 0;
1755
1756 ifp->if_flags &= ~(IFF_RUNNING | IFF_OACTIVE);
1757 }
1758