if_aue.c revision 1.82.2.5 1 /* $NetBSD: if_aue.c,v 1.82.2.5 2004/11/14 08:15:57 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 1.82.2.5 2004/11/14 08:15:57 skrll 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) ((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 devinfo[1024];
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 usbd_devinfo(dev, 0, devinfo, sizeof(devinfo));
740 USB_ATTACH_SETUP;
741 printf("%s: %s\n", USBDEVNAME(sc->aue_dev), devinfo);
742
743 err = usbd_set_config_no(dev, AUE_CONFIG_NO, 1);
744 if (err) {
745 printf("%s: setting config no failed\n",
746 USBDEVNAME(sc->aue_dev));
747 USB_ATTACH_ERROR_RETURN;
748 }
749
750 usb_init_task(&sc->aue_tick_task, aue_tick_task, sc);
751 usb_init_task(&sc->aue_stop_task, (void (*)(void *))aue_stop, sc);
752 lockinit(&sc->aue_mii_lock, PZERO, "auemii", 0, 0);
753
754 err = usbd_device2interface_handle(dev, AUE_IFACE_IDX, &iface);
755 if (err) {
756 printf("%s: getting interface handle failed\n",
757 USBDEVNAME(sc->aue_dev));
758 USB_ATTACH_ERROR_RETURN;
759 }
760
761 sc->aue_flags = aue_lookup(uaa->vendor, uaa->product)->aue_flags;
762
763 sc->aue_udev = dev;
764 sc->aue_iface = iface;
765 sc->aue_product = uaa->product;
766 sc->aue_vendor = uaa->vendor;
767
768 id = usbd_get_interface_descriptor(iface);
769
770 /* Find endpoints. */
771 for (i = 0; i < id->bNumEndpoints; i++) {
772 ed = usbd_interface2endpoint_descriptor(iface, i);
773 if (ed == NULL) {
774 printf("%s: couldn't get endpoint descriptor %d\n",
775 USBDEVNAME(sc->aue_dev), i);
776 USB_ATTACH_ERROR_RETURN;
777 }
778 if (UE_GET_DIR(ed->bEndpointAddress) == UE_DIR_IN &&
779 UE_GET_XFERTYPE(ed->bmAttributes) == UE_BULK) {
780 sc->aue_ed[AUE_ENDPT_RX] = ed->bEndpointAddress;
781 } else if (UE_GET_DIR(ed->bEndpointAddress) == UE_DIR_OUT &&
782 UE_GET_XFERTYPE(ed->bmAttributes) == UE_BULK) {
783 sc->aue_ed[AUE_ENDPT_TX] = ed->bEndpointAddress;
784 } else if (UE_GET_DIR(ed->bEndpointAddress) == UE_DIR_IN &&
785 UE_GET_XFERTYPE(ed->bmAttributes) == UE_INTERRUPT) {
786 sc->aue_ed[AUE_ENDPT_INTR] = ed->bEndpointAddress;
787 }
788 }
789
790 if (sc->aue_ed[AUE_ENDPT_RX] == 0 || sc->aue_ed[AUE_ENDPT_TX] == 0 ||
791 sc->aue_ed[AUE_ENDPT_INTR] == 0) {
792 printf("%s: missing endpoint\n", USBDEVNAME(sc->aue_dev));
793 USB_ATTACH_ERROR_RETURN;
794 }
795
796
797 s = splnet();
798
799 /* Reset the adapter. */
800 aue_reset(sc);
801
802 /*
803 * Get station address from the EEPROM.
804 */
805 aue_read_mac(sc, eaddr);
806
807 /*
808 * A Pegasus chip was detected. Inform the world.
809 */
810 ifp = GET_IFP(sc);
811 printf("%s: Ethernet address %s\n", USBDEVNAME(sc->aue_dev),
812 ether_sprintf(eaddr));
813
814 /* Initialize interface info.*/
815 ifp->if_softc = sc;
816 ifp->if_mtu = ETHERMTU;
817 ifp->if_flags = IFF_BROADCAST | IFF_SIMPLEX | IFF_MULTICAST;
818 ifp->if_ioctl = aue_ioctl;
819 ifp->if_start = aue_start;
820 ifp->if_watchdog = aue_watchdog;
821 #if defined(__OpenBSD__)
822 ifp->if_snd.ifq_maxlen = IFQ_MAXLEN;
823 #endif
824 strncpy(ifp->if_xname, USBDEVNAME(sc->aue_dev), IFNAMSIZ);
825
826 IFQ_SET_READY(&ifp->if_snd);
827
828 /* Initialize MII/media info. */
829 mii = &sc->aue_mii;
830 mii->mii_ifp = ifp;
831 mii->mii_readreg = aue_miibus_readreg;
832 mii->mii_writereg = aue_miibus_writereg;
833 mii->mii_statchg = aue_miibus_statchg;
834 mii->mii_flags = MIIF_AUTOTSLEEP;
835 ifmedia_init(&mii->mii_media, 0, aue_ifmedia_upd, aue_ifmedia_sts);
836 mii_attach(self, mii, 0xffffffff, MII_PHY_ANY, MII_OFFSET_ANY, 0);
837 if (LIST_FIRST(&mii->mii_phys) == NULL) {
838 ifmedia_add(&mii->mii_media, IFM_ETHER | IFM_NONE, 0, NULL);
839 ifmedia_set(&mii->mii_media, IFM_ETHER | IFM_NONE);
840 } else
841 ifmedia_set(&mii->mii_media, IFM_ETHER | IFM_AUTO);
842
843 /* Attach the interface. */
844 if_attach(ifp);
845 Ether_ifattach(ifp, eaddr);
846 #if NRND > 0
847 rnd_attach_source(&sc->rnd_source, USBDEVNAME(sc->aue_dev),
848 RND_TYPE_NET, 0);
849 #endif
850
851 usb_callout_init(sc->aue_stat_ch);
852
853 sc->aue_attached = 1;
854 splx(s);
855
856 usbd_add_drv_event(USB_EVENT_DRIVER_ATTACH, sc->aue_udev,
857 USBDEV(sc->aue_dev));
858
859 USB_ATTACH_SUCCESS_RETURN;
860 }
861
862 USB_DETACH(aue)
863 {
864 USB_DETACH_START(aue, sc);
865 struct ifnet *ifp = GET_IFP(sc);
866 int s;
867
868 DPRINTFN(2,("%s: %s: enter\n", USBDEVNAME(sc->aue_dev), __func__));
869
870 if (!sc->aue_attached) {
871 /* Detached before attached finished, so just bail out. */
872 return (0);
873 }
874
875 usb_uncallout(sc->aue_stat_ch, aue_tick, sc);
876 /*
877 * Remove any pending tasks. They cannot be executing because they run
878 * in the same thread as detach.
879 */
880 usb_rem_task(sc->aue_udev, &sc->aue_tick_task);
881 usb_rem_task(sc->aue_udev, &sc->aue_stop_task);
882
883 s = splusb();
884
885 if (ifp->if_flags & IFF_RUNNING)
886 aue_stop(sc);
887
888 #if defined(__NetBSD__)
889 #if NRND > 0
890 rnd_detach_source(&sc->rnd_source);
891 #endif
892 mii_detach(&sc->aue_mii, MII_PHY_ANY, MII_OFFSET_ANY);
893 ifmedia_delete_instance(&sc->aue_mii.mii_media, IFM_INST_ANY);
894 ether_ifdetach(ifp);
895 #endif /* __NetBSD__ */
896
897 if_detach(ifp);
898
899 #ifdef DIAGNOSTIC
900 if (sc->aue_ep[AUE_ENDPT_TX] != NULL ||
901 sc->aue_ep[AUE_ENDPT_RX] != NULL ||
902 sc->aue_ep[AUE_ENDPT_INTR] != NULL)
903 printf("%s: detach has active endpoints\n",
904 USBDEVNAME(sc->aue_dev));
905 #endif
906
907 sc->aue_attached = 0;
908
909 if (--sc->aue_refcnt >= 0) {
910 /* Wait for processes to go away. */
911 usb_detach_wait(USBDEV(sc->aue_dev));
912 }
913 splx(s);
914
915 usbd_add_drv_event(USB_EVENT_DRIVER_DETACH, sc->aue_udev,
916 USBDEV(sc->aue_dev));
917
918 return (0);
919 }
920
921 int
922 aue_activate(device_ptr_t self, enum devact act)
923 {
924 struct aue_softc *sc = (struct aue_softc *)self;
925
926 DPRINTFN(2,("%s: %s: enter\n", USBDEVNAME(sc->aue_dev), __func__));
927
928 switch (act) {
929 case DVACT_ACTIVATE:
930 return (EOPNOTSUPP);
931 break;
932
933 case DVACT_DEACTIVATE:
934 if_deactivate(&sc->aue_ec.ec_if);
935 sc->aue_dying = 1;
936 break;
937 }
938 return (0);
939 }
940
941 /*
942 * Initialize an RX descriptor and attach an MBUF cluster.
943 */
944 Static int
945 aue_newbuf(struct aue_softc *sc, struct aue_chain *c, struct mbuf *m)
946 {
947 struct mbuf *m_new = NULL;
948
949 DPRINTFN(10,("%s: %s: enter\n", USBDEVNAME(sc->aue_dev),__func__));
950
951 if (m == NULL) {
952 MGETHDR(m_new, M_DONTWAIT, MT_DATA);
953 if (m_new == NULL) {
954 printf("%s: no memory for rx list "
955 "-- packet dropped!\n", USBDEVNAME(sc->aue_dev));
956 return (ENOBUFS);
957 }
958
959 MCLGET(m_new, M_DONTWAIT);
960 if (!(m_new->m_flags & M_EXT)) {
961 printf("%s: no memory for rx list "
962 "-- packet dropped!\n", USBDEVNAME(sc->aue_dev));
963 m_freem(m_new);
964 return (ENOBUFS);
965 }
966 m_new->m_len = m_new->m_pkthdr.len = MCLBYTES;
967 } else {
968 m_new = m;
969 m_new->m_len = m_new->m_pkthdr.len = MCLBYTES;
970 m_new->m_data = m_new->m_ext.ext_buf;
971 }
972
973 m_adj(m_new, ETHER_ALIGN);
974 c->aue_mbuf = m_new;
975
976 return (0);
977 }
978
979 Static int
980 aue_rx_list_init(struct aue_softc *sc)
981 {
982 struct aue_cdata *cd;
983 struct aue_chain *c;
984 int i;
985
986 DPRINTFN(5,("%s: %s: enter\n", USBDEVNAME(sc->aue_dev), __func__));
987
988 cd = &sc->aue_cdata;
989 for (i = 0; i < AUE_RX_LIST_CNT; i++) {
990 c = &cd->aue_rx_chain[i];
991 c->aue_sc = sc;
992 c->aue_idx = i;
993 if (aue_newbuf(sc, c, NULL) == ENOBUFS)
994 return (ENOBUFS);
995 if (c->aue_xfer == NULL) {
996 c->aue_xfer = usbd_alloc_xfer(sc->aue_udev);
997 if (c->aue_xfer == NULL)
998 return (ENOBUFS);
999 c->aue_buf = usbd_alloc_buffer(c->aue_xfer, AUE_BUFSZ);
1000 if (c->aue_buf == NULL)
1001 return (ENOBUFS); /* XXX free xfer */
1002 }
1003 }
1004
1005 return (0);
1006 }
1007
1008 Static int
1009 aue_tx_list_init(struct aue_softc *sc)
1010 {
1011 struct aue_cdata *cd;
1012 struct aue_chain *c;
1013 int i;
1014
1015 DPRINTFN(5,("%s: %s: enter\n", USBDEVNAME(sc->aue_dev), __func__));
1016
1017 cd = &sc->aue_cdata;
1018 for (i = 0; i < AUE_TX_LIST_CNT; i++) {
1019 c = &cd->aue_tx_chain[i];
1020 c->aue_sc = sc;
1021 c->aue_idx = i;
1022 c->aue_mbuf = NULL;
1023 if (c->aue_xfer == NULL) {
1024 c->aue_xfer = usbd_alloc_xfer(sc->aue_udev);
1025 if (c->aue_xfer == NULL)
1026 return (ENOBUFS);
1027 c->aue_buf = usbd_alloc_buffer(c->aue_xfer, AUE_BUFSZ);
1028 if (c->aue_buf == NULL)
1029 return (ENOBUFS);
1030 }
1031 }
1032
1033 return (0);
1034 }
1035
1036 Static void
1037 aue_intr(usbd_xfer_handle xfer, usbd_private_handle priv, usbd_status status)
1038 {
1039 struct aue_softc *sc = priv;
1040 struct ifnet *ifp = GET_IFP(sc);
1041 struct aue_intrpkt *p = &sc->aue_cdata.aue_ibuf;
1042
1043 DPRINTFN(15,("%s: %s: enter\n", USBDEVNAME(sc->aue_dev),__func__));
1044
1045 if (sc->aue_dying)
1046 return;
1047
1048 if (!(ifp->if_flags & IFF_RUNNING))
1049 return;
1050
1051 if (status != USBD_NORMAL_COMPLETION) {
1052 if (status == USBD_NOT_STARTED || status == USBD_CANCELLED) {
1053 return;
1054 }
1055 sc->aue_intr_errs++;
1056 if (usbd_ratecheck(&sc->aue_rx_notice)) {
1057 printf("%s: %u usb errors on intr: %s\n",
1058 USBDEVNAME(sc->aue_dev), sc->aue_intr_errs,
1059 usbd_errstr(status));
1060 sc->aue_intr_errs = 0;
1061 }
1062 if (status == USBD_STALLED)
1063 usbd_clear_endpoint_stall(sc->aue_ep[AUE_ENDPT_RX]);
1064 return;
1065 }
1066
1067 if (p->aue_txstat0)
1068 ifp->if_oerrors++;
1069
1070 if (p->aue_txstat0 & (AUE_TXSTAT0_LATECOLL | AUE_TXSTAT0_EXCESSCOLL))
1071 ifp->if_collisions++;
1072 }
1073
1074 /*
1075 * A frame has been uploaded: pass the resulting mbuf chain up to
1076 * the higher level protocols.
1077 */
1078 Static void
1079 aue_rxeof(usbd_xfer_handle xfer, usbd_private_handle priv, usbd_status status)
1080 {
1081 struct aue_chain *c = priv;
1082 struct aue_softc *sc = c->aue_sc;
1083 struct ifnet *ifp = GET_IFP(sc);
1084 struct mbuf *m;
1085 u_int32_t total_len;
1086 struct aue_rxpkt r;
1087 int s;
1088
1089 DPRINTFN(10,("%s: %s: enter\n", USBDEVNAME(sc->aue_dev),__func__));
1090
1091 if (sc->aue_dying)
1092 return;
1093
1094 if (!(ifp->if_flags & IFF_RUNNING))
1095 return;
1096
1097 if (status != USBD_NORMAL_COMPLETION) {
1098 if (status == USBD_NOT_STARTED || status == USBD_CANCELLED)
1099 return;
1100 sc->aue_rx_errs++;
1101 if (usbd_ratecheck(&sc->aue_rx_notice)) {
1102 printf("%s: %u usb errors on rx: %s\n",
1103 USBDEVNAME(sc->aue_dev), sc->aue_rx_errs,
1104 usbd_errstr(status));
1105 sc->aue_rx_errs = 0;
1106 }
1107 if (status == USBD_STALLED)
1108 usbd_clear_endpoint_stall(sc->aue_ep[AUE_ENDPT_RX]);
1109 goto done;
1110 }
1111
1112 usbd_get_xfer_status(xfer, NULL, NULL, &total_len, NULL);
1113
1114 memcpy(mtod(c->aue_mbuf, char *), c->aue_buf, total_len);
1115
1116 if (total_len <= 4 + ETHER_CRC_LEN) {
1117 ifp->if_ierrors++;
1118 goto done;
1119 }
1120
1121 memcpy(&r, c->aue_buf + total_len - 4, sizeof(r));
1122
1123 /* Turn off all the non-error bits in the rx status word. */
1124 r.aue_rxstat &= AUE_RXSTAT_MASK;
1125 if (r.aue_rxstat) {
1126 ifp->if_ierrors++;
1127 goto done;
1128 }
1129
1130 /* No errors; receive the packet. */
1131 m = c->aue_mbuf;
1132 total_len -= ETHER_CRC_LEN + 4;
1133 m->m_pkthdr.len = m->m_len = total_len;
1134 ifp->if_ipackets++;
1135
1136 m->m_pkthdr.rcvif = ifp;
1137
1138 s = splnet();
1139
1140 /* XXX ugly */
1141 if (aue_newbuf(sc, c, NULL) == ENOBUFS) {
1142 ifp->if_ierrors++;
1143 goto done1;
1144 }
1145
1146 #if NBPFILTER > 0
1147 /*
1148 * Handle BPF listeners. Let the BPF user see the packet, but
1149 * don't pass it up to the ether_input() layer unless it's
1150 * a broadcast packet, multicast packet, matches our ethernet
1151 * address or the interface is in promiscuous mode.
1152 */
1153 if (ifp->if_bpf)
1154 BPF_MTAP(ifp, m);
1155 #endif
1156
1157 DPRINTFN(10,("%s: %s: deliver %d\n", USBDEVNAME(sc->aue_dev),
1158 __func__, m->m_len));
1159 IF_INPUT(ifp, m);
1160 done1:
1161 splx(s);
1162
1163 done:
1164
1165 /* Setup new transfer. */
1166 usbd_setup_xfer(xfer, sc->aue_ep[AUE_ENDPT_RX],
1167 c, c->aue_buf, AUE_BUFSZ,
1168 USBD_SHORT_XFER_OK | USBD_NO_COPY,
1169 USBD_NO_TIMEOUT, aue_rxeof);
1170 usbd_transfer(xfer);
1171
1172 DPRINTFN(10,("%s: %s: start rx\n", USBDEVNAME(sc->aue_dev),
1173 __func__));
1174 }
1175
1176 /*
1177 * A frame was downloaded to the chip. It's safe for us to clean up
1178 * the list buffers.
1179 */
1180
1181 Static void
1182 aue_txeof(usbd_xfer_handle xfer, usbd_private_handle priv, usbd_status status)
1183 {
1184 struct aue_chain *c = priv;
1185 struct aue_softc *sc = c->aue_sc;
1186 struct ifnet *ifp = GET_IFP(sc);
1187 int s;
1188
1189 if (sc->aue_dying)
1190 return;
1191
1192 s = splnet();
1193
1194 DPRINTFN(10,("%s: %s: enter status=%d\n", USBDEVNAME(sc->aue_dev),
1195 __func__, status));
1196
1197 ifp->if_timer = 0;
1198 ifp->if_flags &= ~IFF_OACTIVE;
1199
1200 if (status != USBD_NORMAL_COMPLETION) {
1201 if (status == USBD_NOT_STARTED || status == USBD_CANCELLED) {
1202 splx(s);
1203 return;
1204 }
1205 ifp->if_oerrors++;
1206 printf("%s: usb error on tx: %s\n", USBDEVNAME(sc->aue_dev),
1207 usbd_errstr(status));
1208 if (status == USBD_STALLED)
1209 usbd_clear_endpoint_stall(sc->aue_ep[AUE_ENDPT_TX]);
1210 splx(s);
1211 return;
1212 }
1213
1214 ifp->if_opackets++;
1215
1216 m_freem(c->aue_mbuf);
1217 c->aue_mbuf = NULL;
1218
1219 if (IFQ_IS_EMPTY(&ifp->if_snd) == 0)
1220 aue_start(ifp);
1221
1222 splx(s);
1223 }
1224
1225 Static void
1226 aue_tick(void *xsc)
1227 {
1228 struct aue_softc *sc = xsc;
1229
1230 DPRINTFN(15,("%s: %s: enter\n", USBDEVNAME(sc->aue_dev),__func__));
1231
1232 if (sc == NULL)
1233 return;
1234
1235 if (sc->aue_dying)
1236 return;
1237
1238 /* Perform periodic stuff in process context. */
1239 usb_add_task(sc->aue_udev, &sc->aue_tick_task);
1240 }
1241
1242 Static void
1243 aue_tick_task(void *xsc)
1244 {
1245 struct aue_softc *sc = xsc;
1246 struct ifnet *ifp;
1247 struct mii_data *mii;
1248 int s;
1249
1250 DPRINTFN(15,("%s: %s: enter\n", USBDEVNAME(sc->aue_dev),__func__));
1251
1252 if (sc->aue_dying)
1253 return;
1254
1255 ifp = GET_IFP(sc);
1256 mii = GET_MII(sc);
1257 if (mii == NULL)
1258 return;
1259
1260 s = splnet();
1261
1262 mii_tick(mii);
1263 if (!sc->aue_link) {
1264 mii_pollstat(mii); /* XXX FreeBSD has removed this call */
1265 if (mii->mii_media_status & IFM_ACTIVE &&
1266 IFM_SUBTYPE(mii->mii_media_active) != IFM_NONE) {
1267 DPRINTFN(2,("%s: %s: got link\n",
1268 USBDEVNAME(sc->aue_dev),__func__));
1269 sc->aue_link++;
1270 if (IFQ_IS_EMPTY(&ifp->if_snd) == 0)
1271 aue_start(ifp);
1272 }
1273 }
1274
1275 usb_callout(sc->aue_stat_ch, hz, aue_tick, sc);
1276
1277 splx(s);
1278 }
1279
1280 Static int
1281 aue_send(struct aue_softc *sc, struct mbuf *m, int idx)
1282 {
1283 int total_len;
1284 struct aue_chain *c;
1285 usbd_status err;
1286
1287 DPRINTFN(10,("%s: %s: enter\n", USBDEVNAME(sc->aue_dev),__func__));
1288
1289 c = &sc->aue_cdata.aue_tx_chain[idx];
1290
1291 /*
1292 * Copy the mbuf data into a contiguous buffer, leaving two
1293 * bytes at the beginning to hold the frame length.
1294 */
1295 m_copydata(m, 0, m->m_pkthdr.len, c->aue_buf + 2);
1296 c->aue_mbuf = m;
1297
1298 /*
1299 * The ADMtek documentation says that the packet length is
1300 * supposed to be specified in the first two bytes of the
1301 * transfer, however it actually seems to ignore this info
1302 * and base the frame size on the bulk transfer length.
1303 */
1304 c->aue_buf[0] = (u_int8_t)m->m_pkthdr.len;
1305 c->aue_buf[1] = (u_int8_t)(m->m_pkthdr.len >> 8);
1306 total_len = m->m_pkthdr.len + 2;
1307
1308 usbd_setup_xfer(c->aue_xfer, sc->aue_ep[AUE_ENDPT_TX],
1309 c, c->aue_buf, total_len, USBD_FORCE_SHORT_XFER | USBD_NO_COPY,
1310 AUE_TX_TIMEOUT, aue_txeof);
1311
1312 /* Transmit */
1313 err = usbd_transfer(c->aue_xfer);
1314 if (err != USBD_IN_PROGRESS) {
1315 printf("%s: aue_send error=%s\n", USBDEVNAME(sc->aue_dev),
1316 usbd_errstr(err));
1317 /* Stop the interface from process context. */
1318 usb_add_task(sc->aue_udev, &sc->aue_stop_task);
1319 return (EIO);
1320 }
1321 DPRINTFN(5,("%s: %s: send %d bytes\n", USBDEVNAME(sc->aue_dev),
1322 __func__, total_len));
1323
1324 sc->aue_cdata.aue_tx_cnt++;
1325
1326 return (0);
1327 }
1328
1329 Static void
1330 aue_start(struct ifnet *ifp)
1331 {
1332 struct aue_softc *sc = ifp->if_softc;
1333 struct mbuf *m_head = NULL;
1334
1335 DPRINTFN(5,("%s: %s: enter, link=%d\n", USBDEVNAME(sc->aue_dev),
1336 __func__, sc->aue_link));
1337
1338 if (sc->aue_dying)
1339 return;
1340
1341 if (!sc->aue_link)
1342 return;
1343
1344 if (ifp->if_flags & IFF_OACTIVE)
1345 return;
1346
1347 IFQ_POLL(&ifp->if_snd, m_head);
1348 if (m_head == NULL)
1349 return;
1350
1351 if (aue_send(sc, m_head, 0)) {
1352 ifp->if_flags |= IFF_OACTIVE;
1353 return;
1354 }
1355
1356 IFQ_DEQUEUE(&ifp->if_snd, m_head);
1357
1358 #if NBPFILTER > 0
1359 /*
1360 * If there's a BPF listener, bounce a copy of this frame
1361 * to him.
1362 */
1363 if (ifp->if_bpf)
1364 BPF_MTAP(ifp, m_head);
1365 #endif
1366
1367 ifp->if_flags |= IFF_OACTIVE;
1368
1369 /*
1370 * Set a timeout in case the chip goes out to lunch.
1371 */
1372 ifp->if_timer = 5;
1373 }
1374
1375 Static void
1376 aue_init(void *xsc)
1377 {
1378 struct aue_softc *sc = xsc;
1379 struct ifnet *ifp = GET_IFP(sc);
1380 struct mii_data *mii = GET_MII(sc);
1381 int i, s;
1382 u_char *eaddr;
1383
1384 DPRINTFN(5,("%s: %s: enter\n", USBDEVNAME(sc->aue_dev), __func__));
1385
1386 if (sc->aue_dying)
1387 return;
1388
1389 if (ifp->if_flags & IFF_RUNNING)
1390 return;
1391
1392 s = splnet();
1393
1394 /*
1395 * Cancel pending I/O and free all RX/TX buffers.
1396 */
1397 aue_reset(sc);
1398
1399 #if defined(__OpenBSD__)
1400 eaddr = sc->arpcom.ac_enaddr;
1401 #elif defined(__NetBSD__)
1402 eaddr = LLADDR(ifp->if_sadl);
1403 #endif /* defined(__NetBSD__) */
1404 for (i = 0; i < ETHER_ADDR_LEN; i++)
1405 aue_csr_write_1(sc, AUE_PAR0 + i, eaddr[i]);
1406
1407 /* If we want promiscuous mode, set the allframes bit. */
1408 if (ifp->if_flags & IFF_PROMISC)
1409 AUE_SETBIT(sc, AUE_CTL2, AUE_CTL2_RX_PROMISC);
1410 else
1411 AUE_CLRBIT(sc, AUE_CTL2, AUE_CTL2_RX_PROMISC);
1412
1413 /* Init TX ring. */
1414 if (aue_tx_list_init(sc) == ENOBUFS) {
1415 printf("%s: tx list init failed\n", USBDEVNAME(sc->aue_dev));
1416 splx(s);
1417 return;
1418 }
1419
1420 /* Init RX ring. */
1421 if (aue_rx_list_init(sc) == ENOBUFS) {
1422 printf("%s: rx list init failed\n", USBDEVNAME(sc->aue_dev));
1423 splx(s);
1424 return;
1425 }
1426
1427 /* Load the multicast filter. */
1428 aue_setmulti(sc);
1429
1430 /* Enable RX and TX */
1431 aue_csr_write_1(sc, AUE_CTL0, AUE_CTL0_RXSTAT_APPEND | AUE_CTL0_RX_ENB);
1432 AUE_SETBIT(sc, AUE_CTL0, AUE_CTL0_TX_ENB);
1433 AUE_SETBIT(sc, AUE_CTL2, AUE_CTL2_EP3_CLR);
1434
1435 mii_mediachg(mii);
1436
1437 if (sc->aue_ep[AUE_ENDPT_RX] == NULL) {
1438 if (aue_openpipes(sc)) {
1439 splx(s);
1440 return;
1441 }
1442 }
1443
1444 ifp->if_flags |= IFF_RUNNING;
1445 ifp->if_flags &= ~IFF_OACTIVE;
1446
1447 splx(s);
1448
1449 usb_callout(sc->aue_stat_ch, hz, aue_tick, sc);
1450 }
1451
1452 Static int
1453 aue_openpipes(struct aue_softc *sc)
1454 {
1455 struct aue_chain *c;
1456 usbd_status err;
1457 int i;
1458
1459 /* Open RX and TX pipes. */
1460 err = usbd_open_pipe(sc->aue_iface, sc->aue_ed[AUE_ENDPT_RX],
1461 USBD_EXCLUSIVE_USE, &sc->aue_ep[AUE_ENDPT_RX]);
1462 if (err) {
1463 printf("%s: open rx pipe failed: %s\n",
1464 USBDEVNAME(sc->aue_dev), usbd_errstr(err));
1465 return (EIO);
1466 }
1467 err = usbd_open_pipe(sc->aue_iface, sc->aue_ed[AUE_ENDPT_TX],
1468 USBD_EXCLUSIVE_USE, &sc->aue_ep[AUE_ENDPT_TX]);
1469 if (err) {
1470 printf("%s: open tx pipe failed: %s\n",
1471 USBDEVNAME(sc->aue_dev), usbd_errstr(err));
1472 return (EIO);
1473 }
1474 err = usbd_open_pipe_intr(sc->aue_iface, sc->aue_ed[AUE_ENDPT_INTR],
1475 USBD_EXCLUSIVE_USE, &sc->aue_ep[AUE_ENDPT_INTR], sc,
1476 &sc->aue_cdata.aue_ibuf, AUE_INTR_PKTLEN, aue_intr,
1477 AUE_INTR_INTERVAL);
1478 if (err) {
1479 printf("%s: open intr pipe failed: %s\n",
1480 USBDEVNAME(sc->aue_dev), usbd_errstr(err));
1481 return (EIO);
1482 }
1483
1484 /* Start up the receive pipe. */
1485 for (i = 0; i < AUE_RX_LIST_CNT; i++) {
1486 c = &sc->aue_cdata.aue_rx_chain[i];
1487 usbd_setup_xfer(c->aue_xfer, sc->aue_ep[AUE_ENDPT_RX],
1488 c, c->aue_buf, AUE_BUFSZ,
1489 USBD_SHORT_XFER_OK | USBD_NO_COPY, USBD_NO_TIMEOUT,
1490 aue_rxeof);
1491 (void)usbd_transfer(c->aue_xfer); /* XXX */
1492 DPRINTFN(5,("%s: %s: start read\n", USBDEVNAME(sc->aue_dev),
1493 __func__));
1494
1495 }
1496 return (0);
1497 }
1498
1499 /*
1500 * Set media options.
1501 */
1502 Static int
1503 aue_ifmedia_upd(struct ifnet *ifp)
1504 {
1505 struct aue_softc *sc = ifp->if_softc;
1506 struct mii_data *mii = GET_MII(sc);
1507
1508 DPRINTFN(5,("%s: %s: enter\n", USBDEVNAME(sc->aue_dev), __func__));
1509
1510 if (sc->aue_dying)
1511 return (0);
1512
1513 sc->aue_link = 0;
1514 if (mii->mii_instance) {
1515 struct mii_softc *miisc;
1516 for (miisc = LIST_FIRST(&mii->mii_phys); miisc != NULL;
1517 miisc = LIST_NEXT(miisc, mii_list))
1518 mii_phy_reset(miisc);
1519 }
1520 mii_mediachg(mii);
1521
1522 return (0);
1523 }
1524
1525 /*
1526 * Report current media status.
1527 */
1528 Static void
1529 aue_ifmedia_sts(struct ifnet *ifp, struct ifmediareq *ifmr)
1530 {
1531 struct aue_softc *sc = ifp->if_softc;
1532 struct mii_data *mii = GET_MII(sc);
1533
1534 DPRINTFN(5,("%s: %s: enter\n", USBDEVNAME(sc->aue_dev), __func__));
1535
1536 mii_pollstat(mii);
1537 ifmr->ifm_active = mii->mii_media_active;
1538 ifmr->ifm_status = mii->mii_media_status;
1539 }
1540
1541 Static int
1542 aue_ioctl(struct ifnet *ifp, u_long command, caddr_t data)
1543 {
1544 struct aue_softc *sc = ifp->if_softc;
1545 struct ifaddr *ifa = (struct ifaddr *)data;
1546 struct ifreq *ifr = (struct ifreq *)data;
1547 struct mii_data *mii;
1548 int s, error = 0;
1549
1550 if (sc->aue_dying)
1551 return (EIO);
1552
1553 s = splnet();
1554
1555 switch(command) {
1556 case SIOCSIFADDR:
1557 ifp->if_flags |= IFF_UP;
1558 aue_init(sc);
1559
1560 switch (ifa->ifa_addr->sa_family) {
1561 #ifdef INET
1562 case AF_INET:
1563 #if defined(__NetBSD__)
1564 arp_ifinit(ifp, ifa);
1565 #else
1566 arp_ifinit(&sc->arpcom, ifa);
1567 #endif
1568 break;
1569 #endif /* INET */
1570 #ifdef NS
1571 case AF_NS:
1572 {
1573 struct ns_addr *ina = &IA_SNS(ifa)->sns_addr;
1574
1575 if (ns_nullhost(*ina))
1576 ina->x_host = *(union ns_host *)
1577 LLADDR(ifp->if_sadl);
1578 else
1579 memcpy(LLADDR(ifp->if_sadl),
1580 ina->x_host.c_host,
1581 ifp->if_addrlen);
1582 break;
1583 }
1584 #endif /* NS */
1585 }
1586 break;
1587
1588 case SIOCSIFMTU:
1589 if (ifr->ifr_mtu > ETHERMTU)
1590 error = EINVAL;
1591 else
1592 ifp->if_mtu = ifr->ifr_mtu;
1593 break;
1594
1595 case SIOCSIFFLAGS:
1596 if (ifp->if_flags & IFF_UP) {
1597 if (ifp->if_flags & IFF_RUNNING &&
1598 ifp->if_flags & IFF_PROMISC &&
1599 !(sc->aue_if_flags & IFF_PROMISC)) {
1600 AUE_SETBIT(sc, AUE_CTL2, AUE_CTL2_RX_PROMISC);
1601 } else if (ifp->if_flags & IFF_RUNNING &&
1602 !(ifp->if_flags & IFF_PROMISC) &&
1603 sc->aue_if_flags & IFF_PROMISC) {
1604 AUE_CLRBIT(sc, AUE_CTL2, AUE_CTL2_RX_PROMISC);
1605 } else if (!(ifp->if_flags & IFF_RUNNING))
1606 aue_init(sc);
1607 } else {
1608 if (ifp->if_flags & IFF_RUNNING)
1609 aue_stop(sc);
1610 }
1611 sc->aue_if_flags = ifp->if_flags;
1612 error = 0;
1613 break;
1614 case SIOCADDMULTI:
1615 case SIOCDELMULTI:
1616 error = (command == SIOCADDMULTI) ?
1617 ether_addmulti(ifr, &sc->aue_ec) :
1618 ether_delmulti(ifr, &sc->aue_ec);
1619 if (error == ENETRESET) {
1620 if (ifp->if_flags & IFF_RUNNING) {
1621 aue_init(sc);
1622 aue_setmulti(sc);
1623 }
1624 error = 0;
1625 }
1626 break;
1627 case SIOCGIFMEDIA:
1628 case SIOCSIFMEDIA:
1629 mii = GET_MII(sc);
1630 error = ifmedia_ioctl(ifp, ifr, &mii->mii_media, command);
1631 break;
1632 default:
1633 error = EINVAL;
1634 break;
1635 }
1636
1637 splx(s);
1638
1639 return (error);
1640 }
1641
1642 Static void
1643 aue_watchdog(struct ifnet *ifp)
1644 {
1645 struct aue_softc *sc = ifp->if_softc;
1646 struct aue_chain *c;
1647 usbd_status stat;
1648 int s;
1649
1650 DPRINTFN(5,("%s: %s: enter\n", USBDEVNAME(sc->aue_dev), __func__));
1651
1652 ifp->if_oerrors++;
1653 printf("%s: watchdog timeout\n", USBDEVNAME(sc->aue_dev));
1654
1655 s = splusb();
1656 c = &sc->aue_cdata.aue_tx_chain[0];
1657 usbd_get_xfer_status(c->aue_xfer, NULL, NULL, NULL, &stat);
1658 aue_txeof(c->aue_xfer, c, stat);
1659
1660 if (IFQ_IS_EMPTY(&ifp->if_snd) == 0)
1661 aue_start(ifp);
1662 splx(s);
1663 }
1664
1665 /*
1666 * Stop the adapter and free any mbufs allocated to the
1667 * RX and TX lists.
1668 */
1669 Static void
1670 aue_stop(struct aue_softc *sc)
1671 {
1672 usbd_status err;
1673 struct ifnet *ifp;
1674 int i;
1675
1676 DPRINTFN(5,("%s: %s: enter\n", USBDEVNAME(sc->aue_dev), __func__));
1677
1678 ifp = GET_IFP(sc);
1679 ifp->if_timer = 0;
1680
1681 aue_csr_write_1(sc, AUE_CTL0, 0);
1682 aue_csr_write_1(sc, AUE_CTL1, 0);
1683 aue_reset(sc);
1684 usb_uncallout(sc->aue_stat_ch, aue_tick, sc);
1685
1686 /* Stop transfers. */
1687 if (sc->aue_ep[AUE_ENDPT_RX] != NULL) {
1688 err = usbd_abort_pipe(sc->aue_ep[AUE_ENDPT_RX]);
1689 if (err) {
1690 printf("%s: abort rx pipe failed: %s\n",
1691 USBDEVNAME(sc->aue_dev), usbd_errstr(err));
1692 }
1693 err = usbd_close_pipe(sc->aue_ep[AUE_ENDPT_RX]);
1694 if (err) {
1695 printf("%s: close rx pipe failed: %s\n",
1696 USBDEVNAME(sc->aue_dev), usbd_errstr(err));
1697 }
1698 sc->aue_ep[AUE_ENDPT_RX] = NULL;
1699 }
1700
1701 if (sc->aue_ep[AUE_ENDPT_TX] != NULL) {
1702 err = usbd_abort_pipe(sc->aue_ep[AUE_ENDPT_TX]);
1703 if (err) {
1704 printf("%s: abort tx pipe failed: %s\n",
1705 USBDEVNAME(sc->aue_dev), usbd_errstr(err));
1706 }
1707 err = usbd_close_pipe(sc->aue_ep[AUE_ENDPT_TX]);
1708 if (err) {
1709 printf("%s: close tx pipe failed: %s\n",
1710 USBDEVNAME(sc->aue_dev), usbd_errstr(err));
1711 }
1712 sc->aue_ep[AUE_ENDPT_TX] = NULL;
1713 }
1714
1715 if (sc->aue_ep[AUE_ENDPT_INTR] != NULL) {
1716 err = usbd_abort_pipe(sc->aue_ep[AUE_ENDPT_INTR]);
1717 if (err) {
1718 printf("%s: abort intr pipe failed: %s\n",
1719 USBDEVNAME(sc->aue_dev), usbd_errstr(err));
1720 }
1721 err = usbd_close_pipe(sc->aue_ep[AUE_ENDPT_INTR]);
1722 if (err) {
1723 printf("%s: close intr pipe failed: %s\n",
1724 USBDEVNAME(sc->aue_dev), usbd_errstr(err));
1725 }
1726 sc->aue_ep[AUE_ENDPT_INTR] = NULL;
1727 }
1728
1729 /* Free RX resources. */
1730 for (i = 0; i < AUE_RX_LIST_CNT; i++) {
1731 if (sc->aue_cdata.aue_rx_chain[i].aue_mbuf != NULL) {
1732 m_freem(sc->aue_cdata.aue_rx_chain[i].aue_mbuf);
1733 sc->aue_cdata.aue_rx_chain[i].aue_mbuf = NULL;
1734 }
1735 if (sc->aue_cdata.aue_rx_chain[i].aue_xfer != NULL) {
1736 usbd_free_xfer(sc->aue_cdata.aue_rx_chain[i].aue_xfer);
1737 sc->aue_cdata.aue_rx_chain[i].aue_xfer = NULL;
1738 }
1739 }
1740
1741 /* Free TX resources. */
1742 for (i = 0; i < AUE_TX_LIST_CNT; i++) {
1743 if (sc->aue_cdata.aue_tx_chain[i].aue_mbuf != NULL) {
1744 m_freem(sc->aue_cdata.aue_tx_chain[i].aue_mbuf);
1745 sc->aue_cdata.aue_tx_chain[i].aue_mbuf = NULL;
1746 }
1747 if (sc->aue_cdata.aue_tx_chain[i].aue_xfer != NULL) {
1748 usbd_free_xfer(sc->aue_cdata.aue_tx_chain[i].aue_xfer);
1749 sc->aue_cdata.aue_tx_chain[i].aue_xfer = NULL;
1750 }
1751 }
1752
1753 sc->aue_link = 0;
1754
1755 ifp->if_flags &= ~(IFF_RUNNING | IFF_OACTIVE);
1756 }
1757