FreeBSD/Linux Kernel Cross Reference
sys/dev/usb/if_udav.c
1 /* $NetBSD: if_udav.c,v 1.5 2005/02/27 00:27:51 perry Exp $ */
2 /* $nabe: if_udav.c,v 1.3 2003/08/21 16:57:19 nabe Exp $ */
3 /*
4 * Copyright (c) 2003
5 * Shingo WATANABE <nabe@nabechan.org>. All rights reserved.
6 *
7 * Redistribution and use in source and binary forms, with or without
8 * modification, are permitted provided that the following conditions
9 * are met:
10 * 1. Redistributions of source code must retain the above copyright
11 * notice, this list of conditions and the following disclaimer.
12 * 2. Redistributions in binary form must reproduce the above copyright
13 * notice, this list of conditions and the following disclaimer in the
14 * documentation and/or other materials provided with the distribution.
15 * 3. Neither the name of the author nor the names of any co-contributors
16 * may be used to endorse or promote products derived from this software
17 * without specific prior written permission.
18 *
19 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
20 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
21 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
22 * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
23 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
24 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
25 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
26 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
27 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
28 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
29 * SUCH DAMAGE.
30 *
31 */
32
33 /*
34 * DM9601(DAVICOM USB to Ethernet MAC Controller with Integrated 10/100 PHY)
35 * The spec can be found at the following url.
36 * http://www.davicom.com.tw/big5/download/Data%20Sheet/DM9601-DS-F01-062202s.pdf
37 */
38
39 /*
40 * TODO:
41 * Interrupt Endpoint support
42 * External PHYs
43 * powerhook() support?
44 */
45
46 #include <sys/cdefs.h>
47 __KERNEL_RCSID(0, "$NetBSD: if_udav.c,v 1.5 2005/02/27 00:27:51 perry Exp $");
48
49 #include "opt_inet.h"
50 #include "opt_ns.h"
51 #include "bpfilter.h"
52 #include "rnd.h"
53
54 #include <sys/param.h>
55 #include <sys/systm.h>
56 #include <sys/lock.h>
57 #include <sys/mbuf.h>
58 #include <sys/kernel.h>
59 #include <sys/socket.h>
60
61 #include <sys/device.h>
62 #if NRND > 0
63 #include <sys/rnd.h>
64 #endif
65
66 #include <net/if.h>
67 #include <net/if_arp.h>
68 #include <net/if_dl.h>
69 #include <net/if_media.h>
70
71 #if NBPFILTER > 0
72 #include <net/bpf.h>
73 #endif
74 #define BPF_MTAP(ifp, m) bpf_mtap((ifp)->if_bpf, (m))
75
76 #include <net/if_ether.h>
77 #ifdef INET
78 #include <netinet/in.h>
79 #include <netinet/if_inarp.h>
80 #endif
81 #ifdef NS
82 #include <netns/ns.h>
83 #include <netns/ns_if.h>
84 #endif
85
86 #include <dev/mii/mii.h>
87 #include <dev/mii/miivar.h>
88
89 #include <dev/usb/usb.h>
90 #include <dev/usb/usbdi.h>
91 #include <dev/usb/usbdi_util.h>
92 #include <dev/usb/usbdevs.h>
93
94 #include <dev/usb/if_udavreg.h>
95
96
97 /* Function declarations */
98 USB_DECLARE_DRIVER(udav);
99
100 Static int udav_openpipes(struct udav_softc *);
101 Static int udav_rx_list_init(struct udav_softc *);
102 Static int udav_tx_list_init(struct udav_softc *);
103 Static int udav_newbuf(struct udav_softc *, struct udav_chain *, struct mbuf *);
104 Static void udav_start(struct ifnet *);
105 Static int udav_send(struct udav_softc *, struct mbuf *, int);
106 Static void udav_txeof(usbd_xfer_handle, usbd_private_handle, usbd_status);
107 Static void udav_rxeof(usbd_xfer_handle, usbd_private_handle, usbd_status);
108 Static void udav_tick(void *);
109 Static void udav_tick_task(void *);
110 Static int udav_ioctl(struct ifnet *, u_long, caddr_t);
111 Static void udav_stop_task(struct udav_softc *);
112 Static void udav_stop(struct ifnet *, int);
113 Static void udav_watchdog(struct ifnet *);
114 Static int udav_ifmedia_change(struct ifnet *);
115 Static void udav_ifmedia_status(struct ifnet *, struct ifmediareq *);
116 Static void udav_lock_mii(struct udav_softc *);
117 Static void udav_unlock_mii(struct udav_softc *);
118 Static int udav_miibus_readreg(device_ptr_t, int, int);
119 Static void udav_miibus_writereg(device_ptr_t, int, int, int);
120 Static void udav_miibus_statchg(device_ptr_t);
121 Static int udav_init(struct ifnet *);
122 Static void udav_setmulti(struct udav_softc *);
123 Static void udav_reset(struct udav_softc *);
124
125 Static int udav_csr_read(struct udav_softc *, int, void *, int);
126 Static int udav_csr_write(struct udav_softc *, int, void *, int);
127 Static int udav_csr_read1(struct udav_softc *, int);
128 Static int udav_csr_write1(struct udav_softc *, int, unsigned char);
129
130 #if 0
131 Static int udav_mem_read(struct udav_softc *, int, void *, int);
132 Static int udav_mem_write(struct udav_softc *, int, void *, int);
133 Static int udav_mem_write1(struct udav_softc *, int, unsigned char);
134 #endif
135
136 /* Macros */
137 #ifdef UDAV_DEBUG
138 #define DPRINTF(x) if (udavdebug) logprintf x
139 #define DPRINTFN(n,x) if (udavdebug >= (n)) logprintf x
140 int udavdebug = 0;
141 #else
142 #define DPRINTF(x)
143 #define DPRINTFN(n,x)
144 #endif
145
146 #define UDAV_SETBIT(sc, reg, x) \
147 udav_csr_write1(sc, reg, udav_csr_read1(sc, reg) | (x))
148
149 #define UDAV_CLRBIT(sc, reg, x) \
150 udav_csr_write1(sc, reg, udav_csr_read1(sc, reg) & ~(x))
151
152 static const struct udav_type {
153 struct usb_devno udav_dev;
154 u_int16_t udav_flags;
155 #define UDAV_EXT_PHY 0x0001
156 } udav_devs [] = {
157 /* Corega USB-TXC */
158 {{ USB_VENDOR_COREGA, USB_PRODUCT_COREGA_FETHER_USB_TXC }, 0},
159 #if 0
160 /* DAVICOM DM9601 Generic? */
161 /* XXX: The following ids was obtained from the data sheet. */
162 {{ 0x0a46, 0x9601 }, 0},
163 #endif
164 };
165 #define udav_lookup(v, p) ((struct udav_type *)usb_lookup(udav_devs, v, p))
166
167
168 /* Probe */
169 USB_MATCH(udav)
170 {
171 USB_MATCH_START(udav, uaa);
172
173 if (uaa->iface != NULL)
174 return (UMATCH_NONE);
175
176 return (udav_lookup(uaa->vendor, uaa->product) != NULL ?
177 UMATCH_VENDOR_PRODUCT : UMATCH_NONE);
178 }
179
180 /* Attach */
181 USB_ATTACH(udav)
182 {
183 USB_ATTACH_START(udav, sc, uaa);
184 usbd_device_handle dev = uaa->device;
185 usbd_interface_handle iface;
186 usbd_status err;
187 usb_interface_descriptor_t *id;
188 usb_endpoint_descriptor_t *ed;
189 char devinfo[1024];
190 char *devname = USBDEVNAME(sc->sc_dev);
191 struct ifnet *ifp;
192 struct mii_data *mii;
193 u_char eaddr[ETHER_ADDR_LEN];
194 int i, s;
195
196 usbd_devinfo(dev, 0, devinfo, sizeof(devinfo));
197 USB_ATTACH_SETUP;
198 printf("%s: %s\n", devname, devinfo);
199
200 /* Move the device into the configured state. */
201 err = usbd_set_config_no(dev, UDAV_CONFIG_NO, 1);
202 if (err) {
203 printf("%s: setting config no failed\n", devname);
204 goto bad;
205 }
206
207 usb_init_task(&sc->sc_tick_task, udav_tick_task, sc);
208 lockinit(&sc->sc_mii_lock, PZERO, "udavmii", 0, 0);
209 usb_init_task(&sc->sc_stop_task, (void (*)(void *)) udav_stop_task, sc);
210
211 /* get control interface */
212 err = usbd_device2interface_handle(dev, UDAV_IFACE_INDEX, &iface);
213 if (err) {
214 printf("%s: failed to get interface, err=%s\n", devname,
215 usbd_errstr(err));
216 goto bad;
217 }
218
219 sc->sc_udev = dev;
220 sc->sc_ctl_iface = iface;
221 sc->sc_flags = udav_lookup(uaa->vendor, uaa->product)->udav_flags;
222
223 /* get interface descriptor */
224 id = usbd_get_interface_descriptor(sc->sc_ctl_iface);
225
226 /* find endpoints */
227 sc->sc_bulkin_no = sc->sc_bulkout_no = sc->sc_intrin_no = -1;
228 for (i = 0; i < id->bNumEndpoints; i++) {
229 ed = usbd_interface2endpoint_descriptor(sc->sc_ctl_iface, i);
230 if (ed == NULL) {
231 printf("%s: couldn't get endpoint %d\n", devname, i);
232 goto bad;
233 }
234 if ((ed->bmAttributes & UE_XFERTYPE) == UE_BULK &&
235 UE_GET_DIR(ed->bEndpointAddress) == UE_DIR_IN)
236 sc->sc_bulkin_no = ed->bEndpointAddress; /* RX */
237 else if ((ed->bmAttributes & UE_XFERTYPE) == UE_BULK &&
238 UE_GET_DIR(ed->bEndpointAddress) == UE_DIR_OUT)
239 sc->sc_bulkout_no = ed->bEndpointAddress; /* TX */
240 else if ((ed->bmAttributes & UE_XFERTYPE) == UE_INTERRUPT &&
241 UE_GET_DIR(ed->bEndpointAddress) == UE_DIR_IN)
242 sc->sc_intrin_no = ed->bEndpointAddress; /* Status */
243 }
244
245 if (sc->sc_bulkin_no == -1 || sc->sc_bulkout_no == -1 ||
246 sc->sc_intrin_no == -1) {
247 printf("%s: missing endpoint\n", devname);
248 goto bad;
249 }
250
251 s = splnet();
252
253 /* reset the adapter */
254 udav_reset(sc);
255
256 /* Get Ethernet Address */
257 err = udav_csr_read(sc, UDAV_PAR, (void *)eaddr, ETHER_ADDR_LEN);
258 if (err) {
259 printf("%s: read MAC address failed\n", devname);
260 splx(s);
261 goto bad;
262 }
263
264 /* Print Ethernet Address */
265 printf("%s: Ethernet address %s\n", devname, ether_sprintf(eaddr));
266
267 /* initialize interface infomation */
268 ifp = GET_IFP(sc);
269 ifp->if_softc = sc;
270 ifp->if_mtu = ETHERMTU;
271 strncpy(ifp->if_xname, devname, IFNAMSIZ);
272 ifp->if_flags = IFF_BROADCAST | IFF_SIMPLEX | IFF_MULTICAST;
273 ifp->if_start = udav_start;
274 ifp->if_ioctl = udav_ioctl;
275 ifp->if_watchdog = udav_watchdog;
276 ifp->if_init = udav_init;
277 ifp->if_stop = udav_stop;
278
279 IFQ_SET_READY(&ifp->if_snd);
280
281 /*
282 * Do ifmedia setup.
283 */
284 mii = &sc->sc_mii;
285 mii->mii_ifp = ifp;
286 mii->mii_readreg = udav_miibus_readreg;
287 mii->mii_writereg = udav_miibus_writereg;
288 mii->mii_statchg = udav_miibus_statchg;
289 mii->mii_flags = MIIF_AUTOTSLEEP;
290 ifmedia_init(&mii->mii_media, 0,
291 udav_ifmedia_change, udav_ifmedia_status);
292 mii_attach(self, mii, 0xffffffff, MII_PHY_ANY, MII_OFFSET_ANY, 0);
293 if (LIST_FIRST(&mii->mii_phys) == NULL) {
294 ifmedia_add(&mii->mii_media, IFM_ETHER | IFM_NONE, 0, NULL);
295 ifmedia_set(&mii->mii_media, IFM_ETHER | IFM_NONE);
296 } else
297 ifmedia_set(&mii->mii_media, IFM_ETHER | IFM_AUTO);
298
299 /* attach the interface */
300 if_attach(ifp);
301 Ether_ifattach(ifp, eaddr);
302
303 #if NRND > 0
304 rnd_attach_source(&sc->rnd_source, devname, RND_TYPE_NET, 0);
305 #endif
306
307 usb_callout_init(sc->sc_stat_ch);
308 sc->sc_attached = 1;
309 splx(s);
310
311 usbd_add_drv_event(USB_EVENT_DRIVER_ATTACH, dev, USBDEV(sc->sc_dev));
312
313 USB_ATTACH_SUCCESS_RETURN;
314
315 bad:
316 sc->sc_dying = 1;
317 USB_ATTACH_ERROR_RETURN;
318 }
319
320 /* detach */
321 USB_DETACH(udav)
322 {
323 USB_DETACH_START(udav, sc);
324 struct ifnet *ifp = GET_IFP(sc);
325 int s;
326
327 DPRINTF(("%s: %s: enter\n", USBDEVNAME(sc->sc_dev), __func__));
328
329 /* Detached before attached finished */
330 if (!sc->sc_attached)
331 return (0);
332
333 usb_uncallout(sc->sc_stat_ch, udav_tick, sc);
334
335 /* Remove any pending tasks */
336 usb_rem_task(sc->sc_udev, &sc->sc_tick_task);
337 usb_rem_task(sc->sc_udev, &sc->sc_stop_task);
338
339 s = splusb();
340
341 if (--sc->sc_refcnt >= 0) {
342 /* Wait for processes to go away */
343 usb_detach_wait(USBDEV(sc->sc_dev));
344 }
345 if (ifp->if_flags & IFF_RUNNING)
346 udav_stop(GET_IFP(sc), 1);
347
348 #if NRND > 0
349 rnd_detach_source(&sc->rnd_source);
350 #endif
351 mii_detach(&sc->sc_mii, MII_PHY_ANY, MII_OFFSET_ANY);
352 ifmedia_delete_instance(&sc->sc_mii.mii_media, IFM_INST_ANY);
353 ether_ifdetach(ifp);
354 if_detach(ifp);
355
356 #ifdef DIAGNOSTIC
357 if (sc->sc_pipe_tx != NULL)
358 printf("%s: detach has active tx endpoint.\n",
359 USBDEVNAME(sc->sc_dev));
360 if (sc->sc_pipe_rx != NULL)
361 printf("%s: detach has active rx endpoint.\n",
362 USBDEVNAME(sc->sc_dev));
363 if (sc->sc_pipe_intr != NULL)
364 printf("%s: detach has active intr endpoint.\n",
365 USBDEVNAME(sc->sc_dev));
366 #endif
367 sc->sc_attached = 0;
368
369 splx(s);
370
371 usbd_add_drv_event(USB_EVENT_DRIVER_DETACH, sc->sc_udev,
372 USBDEV(sc->sc_dev));
373
374 return (0);
375 }
376
377 #if 0
378 /* read memory */
379 Static int
380 udav_mem_read(struct udav_softc *sc, int offset, void *buf, int len)
381 {
382 usb_device_request_t req;
383 usbd_status err;
384
385 if (sc == NULL)
386 return (0);
387
388 DPRINTFN(0x200,
389 ("%s: %s: enter\n", USBDEVNAME(sc->sc_dev), __func__));
390
391 if (sc->sc_dying)
392 return (0);
393
394 offset &= 0xffff;
395 len &= 0xff;
396
397 req.bmRequestType = UT_READ_VENDOR_DEVICE;
398 req.bRequest = UDAV_REQ_MEM_READ;
399 USETW(req.wValue, 0x0000);
400 USETW(req.wIndex, offset);
401 USETW(req.wLength, len);
402
403 sc->sc_refcnt++;
404 err = usbd_do_request(sc->sc_udev, &req, buf);
405 if (--sc->sc_refcnt < 0)
406 usb_detach_wakeup(USBDEV(sc->sc_dev));
407 if (err) {
408 DPRINTF(("%s: %s: read failed. off=%04x, err=%d\n",
409 USBDEVNAME(sc->sc_dev), __func__, offset, err));
410 }
411
412 return (err);
413 }
414
415 /* write memory */
416 Static int
417 udav_mem_write(struct udav_softc *sc, int offset, void *buf, int len)
418 {
419 usb_device_request_t req;
420 usbd_status err;
421
422 if (sc == NULL)
423 return (0);
424
425 DPRINTFN(0x200,
426 ("%s: %s: enter\n", USBDEVNAME(sc->sc_dev), __func__));
427
428 if (sc->sc_dying)
429 return (0);
430
431 offset &= 0xffff;
432 len &= 0xff;
433
434 req.bmRequestType = UT_WRITE_VENDOR_DEVICE;
435 req.bRequest = UDAV_REQ_MEM_WRITE;
436 USETW(req.wValue, 0x0000);
437 USETW(req.wIndex, offset);
438 USETW(req.wLength, len);
439
440 sc->sc_refcnt++;
441 err = usbd_do_request(sc->sc_udev, &req, buf);
442 if (--sc->sc_refcnt < 0)
443 usb_detach_wakeup(USBDEV(sc->sc_dev));
444 if (err) {
445 DPRINTF(("%s: %s: write failed. off=%04x, err=%d\n",
446 USBDEVNAME(sc->sc_dev), __func__, offset, err));
447 }
448
449 return (err);
450 }
451
452 /* write memory */
453 Static int
454 udav_mem_write1(struct udav_softc *sc, int offset, unsigned char ch)
455 {
456 usb_device_request_t req;
457 usbd_status err;
458
459 if (sc == NULL)
460 return (0);
461
462 DPRINTFN(0x200,
463 ("%s: %s: enter\n", USBDEVNAME(sc->sc_dev), __func__));
464
465 if (sc->sc_dying)
466 return (0);
467
468 offset &= 0xffff;
469
470 req.bmRequestType = UT_WRITE_VENDOR_DEVICE;
471 req.bRequest = UDAV_REQ_MEM_WRITE1;
472 USETW(req.wValue, ch);
473 USETW(req.wIndex, offset);
474 USETW(req.wLength, 0x0000);
475
476 sc->sc_refcnt++;
477 err = usbd_do_request(sc->sc_udev, &req, NULL);
478 if (--sc->sc_refcnt < 0)
479 usb_detach_wakeup(USBDEV(sc->sc_dev));
480 if (err) {
481 DPRINTF(("%s: %s: write failed. off=%04x, err=%d\n",
482 USBDEVNAME(sc->sc_dev), __func__, offset, err));
483 }
484
485 return (err);
486 }
487 #endif
488
489 /* read register(s) */
490 Static int
491 udav_csr_read(struct udav_softc *sc, int offset, void *buf, int len)
492 {
493 usb_device_request_t req;
494 usbd_status err;
495
496 if (sc == NULL)
497 return (0);
498
499 DPRINTFN(0x200,
500 ("%s: %s: enter\n", USBDEVNAME(sc->sc_dev), __func__));
501
502 if (sc->sc_dying)
503 return (0);
504
505 offset &= 0xff;
506 len &= 0xff;
507
508 req.bmRequestType = UT_READ_VENDOR_DEVICE;
509 req.bRequest = UDAV_REQ_REG_READ;
510 USETW(req.wValue, 0x0000);
511 USETW(req.wIndex, offset);
512 USETW(req.wLength, len);
513
514 sc->sc_refcnt++;
515 err = usbd_do_request(sc->sc_udev, &req, buf);
516 if (--sc->sc_refcnt < 0)
517 usb_detach_wakeup(USBDEV(sc->sc_dev));
518 if (err) {
519 DPRINTF(("%s: %s: read failed. off=%04x, err=%d\n",
520 USBDEVNAME(sc->sc_dev), __func__, offset, err));
521 }
522
523 return (err);
524 }
525
526 /* write register(s) */
527 Static int
528 udav_csr_write(struct udav_softc *sc, int offset, void *buf, int len)
529 {
530 usb_device_request_t req;
531 usbd_status err;
532
533 if (sc == NULL)
534 return (0);
535
536 DPRINTFN(0x200,
537 ("%s: %s: enter\n", USBDEVNAME(sc->sc_dev), __func__));
538
539 if (sc->sc_dying)
540 return (0);
541
542 offset &= 0xff;
543 len &= 0xff;
544
545 req.bmRequestType = UT_WRITE_VENDOR_DEVICE;
546 req.bRequest = UDAV_REQ_REG_WRITE;
547 USETW(req.wValue, 0x0000);
548 USETW(req.wIndex, offset);
549 USETW(req.wLength, len);
550
551 sc->sc_refcnt++;
552 err = usbd_do_request(sc->sc_udev, &req, buf);
553 if (--sc->sc_refcnt < 0)
554 usb_detach_wakeup(USBDEV(sc->sc_dev));
555 if (err) {
556 DPRINTF(("%s: %s: write failed. off=%04x, err=%d\n",
557 USBDEVNAME(sc->sc_dev), __func__, offset, err));
558 }
559
560 return (err);
561 }
562
563 Static int
564 udav_csr_read1(struct udav_softc *sc, int offset)
565 {
566 u_int8_t val = 0;
567
568 if (sc == NULL)
569 return (0);
570
571 DPRINTFN(0x200,
572 ("%s: %s: enter\n", USBDEVNAME(sc->sc_dev), __func__));
573
574 if (sc->sc_dying)
575 return (0);
576
577 return (udav_csr_read(sc, offset, &val, 1) ? 0 : val);
578 }
579
580 /* write a register */
581 Static int
582 udav_csr_write1(struct udav_softc *sc, int offset, unsigned char ch)
583 {
584 usb_device_request_t req;
585 usbd_status err;
586
587 if (sc == NULL)
588 return (0);
589
590 DPRINTFN(0x200,
591 ("%s: %s: enter\n", USBDEVNAME(sc->sc_dev), __func__));
592
593 if (sc->sc_dying)
594 return (0);
595
596 offset &= 0xff;
597
598 req.bmRequestType = UT_WRITE_VENDOR_DEVICE;
599 req.bRequest = UDAV_REQ_REG_WRITE1;
600 USETW(req.wValue, ch);
601 USETW(req.wIndex, offset);
602 USETW(req.wLength, 0x0000);
603
604 sc->sc_refcnt++;
605 err = usbd_do_request(sc->sc_udev, &req, NULL);
606 if (--sc->sc_refcnt < 0)
607 usb_detach_wakeup(USBDEV(sc->sc_dev));
608 if (err) {
609 DPRINTF(("%s: %s: write failed. off=%04x, err=%d\n",
610 USBDEVNAME(sc->sc_dev), __func__, offset, err));
611 }
612
613 return (err);
614 }
615
616 Static int
617 udav_init(struct ifnet *ifp)
618 {
619 struct udav_softc *sc = ifp->if_softc;
620 struct mii_data *mii = GET_MII(sc);
621 u_char *eaddr;
622 int s;
623
624 DPRINTF(("%s: %s: enter\n", USBDEVNAME(sc->sc_dev), __func__));
625
626 if (sc->sc_dying)
627 return (EIO);
628
629 s = splnet();
630
631 /* Cancel pending I/O and free all TX/RX buffers */
632 udav_stop(ifp, 1);
633
634 eaddr = LLADDR(ifp->if_sadl);
635 udav_csr_write(sc, UDAV_PAR, eaddr, ETHER_ADDR_LEN);
636
637 /* Initialize network control register */
638 /* Disable loopback */
639 UDAV_CLRBIT(sc, UDAV_NCR, UDAV_NCR_LBK0 | UDAV_NCR_LBK1);
640
641 /* Initialize RX control register */
642 UDAV_SETBIT(sc, UDAV_RCR, UDAV_RCR_DIS_LONG | UDAV_RCR_DIS_CRC);
643
644 /* If we want promiscuous mode, accept all physical frames. */
645 if (ifp->if_flags & IFF_PROMISC)
646 UDAV_SETBIT(sc, UDAV_RCR, UDAV_RCR_ALL|UDAV_RCR_PRMSC);
647 else
648 UDAV_CLRBIT(sc, UDAV_RCR, UDAV_RCR_ALL|UDAV_RCR_PRMSC);
649
650 /* Initialize transmit ring */
651 if (udav_tx_list_init(sc) == ENOBUFS) {
652 printf("%s: tx list init failed\n", USBDEVNAME(sc->sc_dev));
653 splx(s);
654 return (EIO);
655 }
656
657 /* Initialize receive ring */
658 if (udav_rx_list_init(sc) == ENOBUFS) {
659 printf("%s: rx list init failed\n", USBDEVNAME(sc->sc_dev));
660 splx(s);
661 return (EIO);
662 }
663
664 /* Load the multicast filter */
665 udav_setmulti(sc);
666
667 /* Enable RX */
668 UDAV_SETBIT(sc, UDAV_RCR, UDAV_RCR_RXEN);
669
670 /* clear POWER_DOWN state of internal PHY */
671 UDAV_SETBIT(sc, UDAV_GPCR, UDAV_GPCR_GEP_CNTL0);
672 UDAV_CLRBIT(sc, UDAV_GPR, UDAV_GPR_GEPIO0);
673
674 mii_mediachg(mii);
675
676 if (sc->sc_pipe_tx == NULL || sc->sc_pipe_rx == NULL) {
677 if (udav_openpipes(sc)) {
678 splx(s);
679 return (EIO);
680 }
681 }
682
683 ifp->if_flags |= IFF_RUNNING;
684 ifp->if_flags &= ~IFF_OACTIVE;
685
686 splx(s);
687
688 usb_callout(sc->sc_stat_ch, hz, udav_tick, sc);
689
690 return (0);
691 }
692
693 Static void
694 udav_reset(struct udav_softc *sc)
695 {
696 int i;
697
698 DPRINTF(("%s: %s: enter\n", USBDEVNAME(sc->sc_dev), __func__));
699
700 if (sc->sc_dying)
701 return;
702
703 /* Select PHY */
704 #if 1
705 /*
706 * XXX: force select internal phy.
707 * external phy routines are not tested.
708 */
709 UDAV_CLRBIT(sc, UDAV_NCR, UDAV_NCR_EXT_PHY);
710 #else
711 if (sc->sc_flags & UDAV_EXT_PHY) {
712 UDAV_SETBIT(sc, UDAV_NCR, UDAV_NCR_EXT_PHY);
713 } else {
714 UDAV_CLRBIT(sc, UDAV_NCR, UDAV_NCR_EXT_PHY);
715 }
716 #endif
717
718 UDAV_SETBIT(sc, UDAV_NCR, UDAV_NCR_RST);
719
720 for (i = 0; i < UDAV_TX_TIMEOUT; i++) {
721 if (!(udav_csr_read1(sc, UDAV_NCR) & UDAV_NCR_RST))
722 break;
723 delay(10); /* XXX */
724 }
725 delay(10000); /* XXX */
726 }
727
728 int
729 udav_activate(device_ptr_t self, enum devact act)
730 {
731 struct udav_softc *sc = (struct udav_softc *)self;
732
733 DPRINTF(("%s: %s: enter, act=%d\n", USBDEVNAME(sc->sc_dev),
734 __func__, act));
735 switch (act) {
736 case DVACT_ACTIVATE:
737 return (EOPNOTSUPP);
738 break;
739
740 case DVACT_DEACTIVATE:
741 if_deactivate(&sc->sc_ec.ec_if);
742 sc->sc_dying = 1;
743 break;
744 }
745 return (0);
746 }
747
748 #define UDAV_BITS 6
749
750 #define UDAV_CALCHASH(addr) \
751 (ether_crc32_le((addr), ETHER_ADDR_LEN) & ((1 << UDAV_BITS) - 1))
752
753 Static void
754 udav_setmulti(struct udav_softc *sc)
755 {
756 struct ifnet *ifp;
757 struct ether_multi *enm;
758 struct ether_multistep step;
759 u_int8_t hashes[8];
760 int h = 0;
761
762 DPRINTF(("%s: %s: enter\n", USBDEVNAME(sc->sc_dev), __func__));
763
764 if (sc->sc_dying)
765 return;
766
767 ifp = GET_IFP(sc);
768
769 if (ifp->if_flags & IFF_PROMISC) {
770 UDAV_SETBIT(sc, UDAV_RCR, UDAV_RCR_ALL|UDAV_RCR_PRMSC);
771 return;
772 } else if (ifp->if_flags & IFF_ALLMULTI) {
773 allmulti:
774 ifp->if_flags |= IFF_ALLMULTI;
775 UDAV_SETBIT(sc, UDAV_RCR, UDAV_RCR_ALL);
776 UDAV_CLRBIT(sc, UDAV_RCR, UDAV_RCR_PRMSC);
777 return;
778 }
779
780 /* first, zot all the existing hash bits */
781 memset(hashes, 0x00, sizeof(hashes));
782 hashes[7] |= 0x80; /* broadcast address */
783 udav_csr_write(sc, UDAV_MAR, hashes, sizeof(hashes));
784
785 /* now program new ones */
786 ETHER_FIRST_MULTI(step, &sc->sc_ec, enm);
787 while (enm != NULL) {
788 if (memcmp(enm->enm_addrlo, enm->enm_addrhi,
789 ETHER_ADDR_LEN) != 0)
790 goto allmulti;
791
792 h = UDAV_CALCHASH(enm->enm_addrlo);
793 hashes[h>>3] |= 1 << (h & 0x7);
794 ETHER_NEXT_MULTI(step, enm);
795 }
796
797 /* disable all multicast */
798 ifp->if_flags &= ~IFF_ALLMULTI;
799 UDAV_CLRBIT(sc, UDAV_RCR, UDAV_RCR_ALL);
800
801 /* write hash value to the register */
802 udav_csr_write(sc, UDAV_MAR, hashes, sizeof(hashes));
803 }
804
805 Static int
806 udav_openpipes(struct udav_softc *sc)
807 {
808 struct udav_chain *c;
809 usbd_status err;
810 int i;
811 int error = 0;
812
813 if (sc->sc_dying)
814 return (EIO);
815
816 sc->sc_refcnt++;
817
818 /* Open RX pipe */
819 err = usbd_open_pipe(sc->sc_ctl_iface, sc->sc_bulkin_no,
820 USBD_EXCLUSIVE_USE, &sc->sc_pipe_rx);
821 if (err) {
822 printf("%s: open rx pipe failed: %s\n",
823 USBDEVNAME(sc->sc_dev), usbd_errstr(err));
824 error = EIO;
825 goto done;
826 }
827
828 /* Open TX pipe */
829 err = usbd_open_pipe(sc->sc_ctl_iface, sc->sc_bulkout_no,
830 USBD_EXCLUSIVE_USE, &sc->sc_pipe_tx);
831 if (err) {
832 printf("%s: open tx pipe failed: %s\n",
833 USBDEVNAME(sc->sc_dev), usbd_errstr(err));
834 error = EIO;
835 goto done;
836 }
837
838 #if 0
839 /* XXX: interrupt endpoint is not yet supported */
840 /* Open Interrupt pipe */
841 err = usbd_open_pipe_intr(sc->sc_ctl_iface, sc->sc_intrin_no,
842 USBD_EXCLUSIVE_USE, &sc->sc_pipe_intr, sc,
843 &sc->sc_cdata.udav_ibuf, UDAV_INTR_PKGLEN,
844 udav_intr, UDAV_INTR_INTERVAL);
845 if (err) {
846 printf("%s: open intr pipe failed: %s\n",
847 USBDEVNAME(sc->sc_dev), usbd_errstr(err));
848 error = EIO;
849 goto done;
850 }
851 #endif
852
853
854 /* Start up the receive pipe. */
855 for (i = 0; i < UDAV_RX_LIST_CNT; i++) {
856 c = &sc->sc_cdata.udav_rx_chain[i];
857 usbd_setup_xfer(c->udav_xfer, sc->sc_pipe_rx,
858 c, c->udav_buf, UDAV_BUFSZ,
859 USBD_SHORT_XFER_OK | USBD_NO_COPY,
860 USBD_NO_TIMEOUT, udav_rxeof);
861 (void)usbd_transfer(c->udav_xfer);
862 DPRINTF(("%s: %s: start read\n", USBDEVNAME(sc->sc_dev),
863 __func__));
864 }
865
866 done:
867 if (--sc->sc_refcnt < 0)
868 usb_detach_wakeup(USBDEV(sc->sc_dev));
869
870 return (error);
871 }
872
873 Static int
874 udav_newbuf(struct udav_softc *sc, struct udav_chain *c, struct mbuf *m)
875 {
876 struct mbuf *m_new = NULL;
877
878 DPRINTF(("%s: %s: enter\n", USBDEVNAME(sc->sc_dev), __func__));
879
880 if (m == NULL) {
881 MGETHDR(m_new, M_DONTWAIT, MT_DATA);
882 if (m_new == NULL) {
883 printf("%s: no memory for rx list "
884 "-- packet dropped!\n", USBDEVNAME(sc->sc_dev));
885 return (ENOBUFS);
886 }
887 MCLGET(m_new, M_DONTWAIT);
888 if (!(m_new->m_flags & M_EXT)) {
889 printf("%s: no memory for rx list "
890 "-- packet dropped!\n", USBDEVNAME(sc->sc_dev));
891 m_freem(m_new);
892 return (ENOBUFS);
893 }
894 m_new->m_len = m_new->m_pkthdr.len = MCLBYTES;
895 } else {
896 m_new = m;
897 m_new->m_len = m_new->m_pkthdr.len = MCLBYTES;
898 m_new->m_data = m_new->m_ext.ext_buf;
899 }
900
901 m_adj(m_new, ETHER_ALIGN);
902 c->udav_mbuf = m_new;
903
904 return (0);
905 }
906
907
908 Static int
909 udav_rx_list_init(struct udav_softc *sc)
910 {
911 struct udav_cdata *cd;
912 struct udav_chain *c;
913 int i;
914
915 DPRINTF(("%s: %s: enter\n", USBDEVNAME(sc->sc_dev), __func__));
916
917 cd = &sc->sc_cdata;
918 for (i = 0; i < UDAV_RX_LIST_CNT; i++) {
919 c = &cd->udav_rx_chain[i];
920 c->udav_sc = sc;
921 c->udav_idx = i;
922 if (udav_newbuf(sc, c, NULL) == ENOBUFS)
923 return (ENOBUFS);
924 if (c->udav_xfer == NULL) {
925 c->udav_xfer = usbd_alloc_xfer(sc->sc_udev);
926 if (c->udav_xfer == NULL)
927 return (ENOBUFS);
928 c->udav_buf = usbd_alloc_buffer(c->udav_xfer, UDAV_BUFSZ);
929 if (c->udav_buf == NULL) {
930 usbd_free_xfer(c->udav_xfer);
931 return (ENOBUFS);
932 }
933 }
934 }
935
936 return (0);
937 }
938
939 Static int
940 udav_tx_list_init(struct udav_softc *sc)
941 {
942 struct udav_cdata *cd;
943 struct udav_chain *c;
944 int i;
945
946 DPRINTF(("%s: %s: enter\n", USBDEVNAME(sc->sc_dev), __func__));
947
948 cd = &sc->sc_cdata;
949 for (i = 0; i < UDAV_TX_LIST_CNT; i++) {
950 c = &cd->udav_tx_chain[i];
951 c->udav_sc = sc;
952 c->udav_idx = i;
953 c->udav_mbuf = NULL;
954 if (c->udav_xfer == NULL) {
955 c->udav_xfer = usbd_alloc_xfer(sc->sc_udev);
956 if (c->udav_xfer == NULL)
957 return (ENOBUFS);
958 c->udav_buf = usbd_alloc_buffer(c->udav_xfer, UDAV_BUFSZ);
959 if (c->udav_buf == NULL) {
960 usbd_free_xfer(c->udav_xfer);
961 return (ENOBUFS);
962 }
963 }
964 }
965
966 return (0);
967 }
968
969 Static void
970 udav_start(struct ifnet *ifp)
971 {
972 struct udav_softc *sc = ifp->if_softc;
973 struct mbuf *m_head = NULL;
974
975 DPRINTF(("%s: %s: enter, link=%d\n", USBDEVNAME(sc->sc_dev),
976 __func__, sc->sc_link));
977
978 if (sc->sc_dying)
979 return;
980
981 if (!sc->sc_link)
982 return;
983
984 if (ifp->if_flags & IFF_OACTIVE)
985 return;
986
987 IFQ_POLL(&ifp->if_snd, m_head);
988 if (m_head == NULL)
989 return;
990
991 if (udav_send(sc, m_head, 0)) {
992 ifp->if_flags |= IFF_OACTIVE;
993 return;
994 }
995
996 IFQ_DEQUEUE(&ifp->if_snd, m_head);
997
998 #if NBPFILTER > 0
999 if (ifp->if_bpf)
1000 bpf_mtap(ifp->if_bpf, m_head);
1001 #endif
1002
1003 ifp->if_flags |= IFF_OACTIVE;
1004
1005 /* Set a timeout in case the chip goes out to lunch. */
1006 ifp->if_timer = 5;
1007 }
1008
1009 Static int
1010 udav_send(struct udav_softc *sc, struct mbuf *m, int idx)
1011 {
1012 int total_len;
1013 struct udav_chain *c;
1014 usbd_status err;
1015
1016 DPRINTF(("%s: %s: enter\n", USBDEVNAME(sc->sc_dev),__func__));
1017
1018 c = &sc->sc_cdata.udav_tx_chain[idx];
1019
1020 /* Copy the mbuf data into a contiguous buffer */
1021 /* first 2 bytes are packet length */
1022 m_copydata(m, 0, m->m_pkthdr.len, c->udav_buf + 2);
1023 c->udav_mbuf = m;
1024 total_len = m->m_pkthdr.len;
1025 if (total_len < UDAV_MIN_FRAME_LEN) {
1026 memset(c->udav_buf + 2 + total_len, 0,
1027 UDAV_MIN_FRAME_LEN - total_len);
1028 total_len = UDAV_MIN_FRAME_LEN;
1029 }
1030
1031 /* Frame length is specified in the first 2bytes of the buffer */
1032 c->udav_buf[0] = (u_int8_t)total_len;
1033 c->udav_buf[1] = (u_int8_t)(total_len >> 8);
1034 total_len += 2;
1035
1036 usbd_setup_xfer(c->udav_xfer, sc->sc_pipe_tx, c, c->udav_buf, total_len,
1037 USBD_FORCE_SHORT_XFER | USBD_NO_COPY,
1038 UDAV_TX_TIMEOUT, udav_txeof);
1039
1040 /* Transmit */
1041 sc->sc_refcnt++;
1042 err = usbd_transfer(c->udav_xfer);
1043 if (--sc->sc_refcnt < 0)
1044 usb_detach_wakeup(USBDEV(sc->sc_dev));
1045 if (err != USBD_IN_PROGRESS) {
1046 printf("%s: udav_send error=%s\n", USBDEVNAME(sc->sc_dev),
1047 usbd_errstr(err));
1048 /* Stop the interface */
1049 usb_add_task(sc->sc_udev, &sc->sc_stop_task);
1050 return (EIO);
1051 }
1052
1053 DPRINTF(("%s: %s: send %d bytes\n", USBDEVNAME(sc->sc_dev),
1054 __func__, total_len));
1055
1056 sc->sc_cdata.udav_tx_cnt++;
1057
1058 return (0);
1059 }
1060
1061 Static void
1062 udav_txeof(usbd_xfer_handle xfer, usbd_private_handle priv, usbd_status status)
1063 {
1064 struct udav_chain *c = priv;
1065 struct udav_softc *sc = c->udav_sc;
1066 struct ifnet *ifp = GET_IFP(sc);
1067 int s;
1068
1069 if (sc->sc_dying)
1070 return;
1071
1072 s = splnet();
1073
1074 DPRINTF(("%s: %s: enter\n", USBDEVNAME(sc->sc_dev), __func__));
1075
1076 ifp->if_timer = 0;
1077 ifp->if_flags &= ~IFF_OACTIVE;
1078
1079 if (status != USBD_NORMAL_COMPLETION) {
1080 if (status == USBD_NOT_STARTED || status == USBD_CANCELLED) {
1081 splx(s);
1082 return;
1083 }
1084 ifp->if_oerrors++;
1085 printf("%s: usb error on tx: %s\n", USBDEVNAME(sc->sc_dev),
1086 usbd_errstr(status));
1087 if (status == USBD_STALLED) {
1088 sc->sc_refcnt++;
1089 usbd_clear_endpoint_stall(sc->sc_pipe_tx);
1090 if (--sc->sc_refcnt < 0)
1091 usb_detach_wakeup(USBDEV(sc->sc_dev));
1092 }
1093 splx(s);
1094 return;
1095 }
1096
1097 ifp->if_opackets++;
1098
1099 m_freem(c->udav_mbuf);
1100 c->udav_mbuf = NULL;
1101
1102 if (IFQ_IS_EMPTY(&ifp->if_snd) == 0)
1103 udav_start(ifp);
1104
1105 splx(s);
1106 }
1107
1108 Static void
1109 udav_rxeof(usbd_xfer_handle xfer, usbd_private_handle priv, usbd_status status)
1110 {
1111 struct udav_chain *c = priv;
1112 struct udav_softc *sc = c->udav_sc;
1113 struct ifnet *ifp = GET_IFP(sc);
1114 struct mbuf *m;
1115 u_int32_t total_len;
1116 u_int8_t *pktstat;
1117 int s;
1118
1119 DPRINTF(("%s: %s: enter\n", USBDEVNAME(sc->sc_dev),__func__));
1120
1121 if (sc->sc_dying)
1122 return;
1123
1124 if (status != USBD_NORMAL_COMPLETION) {
1125 if (status == USBD_NOT_STARTED || status == USBD_CANCELLED)
1126 return;
1127 sc->sc_rx_errs++;
1128 if (usbd_ratecheck(&sc->sc_rx_notice)) {
1129 printf("%s: %u usb errors on rx: %s\n",
1130 USBDEVNAME(sc->sc_dev), sc->sc_rx_errs,
1131 usbd_errstr(status));
1132 sc->sc_rx_errs = 0;
1133 }
1134 if (status == USBD_STALLED) {
1135 sc->sc_refcnt++;
1136 usbd_clear_endpoint_stall(sc->sc_pipe_rx);
1137 if (--sc->sc_refcnt < 0)
1138 usb_detach_wakeup(USBDEV(sc->sc_dev));
1139 }
1140 goto done;
1141 }
1142
1143 usbd_get_xfer_status(xfer, NULL, NULL, &total_len, NULL);
1144
1145 /* copy data to mbuf */
1146 m = c->udav_mbuf;
1147 memcpy(mtod(m, char *), c->udav_buf, total_len);
1148
1149 /* first byte in received data */
1150 pktstat = mtod(m, u_int8_t *);
1151 m_adj(m, sizeof(u_int8_t));
1152 DPRINTF(("%s: RX Status: 0x%02x\n", *pktstat));
1153
1154 total_len = UGETW(mtod(m, u_int8_t *));
1155 m_adj(m, sizeof(u_int16_t));
1156
1157 if (*pktstat & UDAV_RSR_LCS) {
1158 ifp->if_collisions++;
1159 goto done;
1160 }
1161
1162 if (total_len < sizeof(struct ether_header) ||
1163 *pktstat & UDAV_RSR_ERR) {
1164 ifp->if_ierrors++;
1165 goto done;
1166 }
1167
1168 ifp->if_ipackets++;
1169 total_len -= ETHER_CRC_LEN;
1170
1171 m->m_pkthdr.len = m->m_len = total_len;
1172 m->m_pkthdr.rcvif = ifp;
1173
1174 s = splnet();
1175
1176 if (udav_newbuf(sc, c, NULL) == ENOBUFS) {
1177 ifp->if_ierrors++;
1178 goto done1;
1179 }
1180
1181 #if NBPFILTER > 0
1182 if (ifp->if_bpf)
1183 BPF_MTAP(ifp, m);
1184 #endif
1185
1186 DPRINTF(("%s: %s: deliver %d\n", USBDEVNAME(sc->sc_dev),
1187 __func__, m->m_len));
1188 IF_INPUT(ifp, m);
1189
1190 done1:
1191 splx(s);
1192
1193 done:
1194 /* Setup new transfer */
1195 usbd_setup_xfer(xfer, sc->sc_pipe_rx, c, c->udav_buf, UDAV_BUFSZ,
1196 USBD_SHORT_XFER_OK | USBD_NO_COPY,
1197 USBD_NO_TIMEOUT, udav_rxeof);
1198 sc->sc_refcnt++;
1199 usbd_transfer(xfer);
1200 if (--sc->sc_refcnt < 0)
1201 usb_detach_wakeup(USBDEV(sc->sc_dev));
1202
1203 DPRINTF(("%s: %s: start rx\n", USBDEVNAME(sc->sc_dev), __func__));
1204 }
1205
1206 #if 0
1207 Static void udav_intr()
1208 {
1209 }
1210 #endif
1211
1212 Static int
1213 udav_ioctl(struct ifnet *ifp, u_long cmd, caddr_t data)
1214 {
1215 struct udav_softc *sc = ifp->if_softc;
1216 struct ifreq *ifr = (struct ifreq *)data;
1217 struct mii_data *mii;
1218 int s, error = 0;
1219
1220 DPRINTF(("%s: %s: enter\n", USBDEVNAME(sc->sc_dev), __func__));
1221
1222 if (sc->sc_dying)
1223 return (EIO);
1224
1225 s = splnet();
1226
1227 switch (cmd) {
1228 case SIOCGIFMEDIA:
1229 case SIOCSIFMEDIA:
1230 mii = GET_MII(sc);
1231 error = ifmedia_ioctl(ifp, ifr, &mii->mii_media, cmd);
1232 break;
1233
1234 default:
1235 error = ether_ioctl(ifp, cmd, data);
1236 if (error == ENETRESET) {
1237 if (ifp->if_flags & IFF_RUNNING)
1238 udav_setmulti(sc);
1239 error = 0;
1240 }
1241 break;
1242 }
1243
1244 splx(s);
1245
1246 return (error);
1247 }
1248
1249 Static void
1250 udav_watchdog(struct ifnet *ifp)
1251 {
1252 struct udav_softc *sc = ifp->if_softc;
1253 struct udav_chain *c;
1254 usbd_status stat;
1255 int s;
1256
1257 DPRINTF(("%s: %s: enter\n", USBDEVNAME(sc->sc_dev), __func__));
1258
1259 ifp->if_oerrors++;
1260 printf("%s: watchdog timeout\n", USBDEVNAME(sc->sc_dev));
1261
1262 s = splusb();
1263 c = &sc->sc_cdata.udav_tx_chain[0];
1264 usbd_get_xfer_status(c->udav_xfer, NULL, NULL, NULL, &stat);
1265 udav_txeof(c->udav_xfer, c, stat);
1266
1267 if (IFQ_IS_EMPTY(&ifp->if_snd) == 0)
1268 udav_start(ifp);
1269 splx(s);
1270 }
1271
1272 Static void
1273 udav_stop_task(struct udav_softc *sc)
1274 {
1275 udav_stop(GET_IFP(sc), 1);
1276 }
1277
1278 /* Stop the adapter and free any mbufs allocated to the RX and TX lists. */
1279 Static void
1280 udav_stop(struct ifnet *ifp, int disable)
1281 {
1282 struct udav_softc *sc = ifp->if_softc;
1283 usbd_status err;
1284 int i;
1285
1286 DPRINTF(("%s: %s: enter\n", USBDEVNAME(sc->sc_dev), __func__));
1287
1288 ifp->if_timer = 0;
1289
1290 udav_reset(sc);
1291
1292 usb_uncallout(sc->sc_stat_ch, udav_tick, sc);
1293
1294 /* Stop transfers */
1295 /* RX endpoint */
1296 if (sc->sc_pipe_rx != NULL) {
1297 err = usbd_abort_pipe(sc->sc_pipe_rx);
1298 if (err)
1299 printf("%s: abort rx pipe failed: %s\n",
1300 USBDEVNAME(sc->sc_dev), usbd_errstr(err));
1301 err = usbd_close_pipe(sc->sc_pipe_rx);
1302 if (err)
1303 printf("%s: close rx pipe failed: %s\n",
1304 USBDEVNAME(sc->sc_dev), usbd_errstr(err));
1305 sc->sc_pipe_rx = NULL;
1306 }
1307
1308 /* TX endpoint */
1309 if (sc->sc_pipe_tx != NULL) {
1310 err = usbd_abort_pipe(sc->sc_pipe_tx);
1311 if (err)
1312 printf("%s: abort tx pipe failed: %s\n",
1313 USBDEVNAME(sc->sc_dev), usbd_errstr(err));
1314 err = usbd_close_pipe(sc->sc_pipe_tx);
1315 if (err)
1316 printf("%s: close tx pipe failed: %s\n",
1317 USBDEVNAME(sc->sc_dev), usbd_errstr(err));
1318 sc->sc_pipe_tx = NULL;
1319 }
1320
1321 #if 0
1322 /* XXX: Interrupt endpoint is not yet supported!! */
1323 /* Interrupt endpoint */
1324 if (sc->sc_pipe_intr != NULL) {
1325 err = usbd_abort_pipe(sc->sc_pipe_intr);
1326 if (err)
1327 printf("%s: abort intr pipe failed: %s\n",
1328 USBDEVNAME(sc->sc_dev), usbd_errstr(err));
1329 err = usbd_close_pipe(sc->sc_pipe_intr);
1330 if (err)
1331 printf("%s: close intr pipe failed: %s\n",
1332 USBDEVNAME(sc->sc_dev), usbd_errstr(err));
1333 sc->sc_pipe_intr = NULL;
1334 }
1335 #endif
1336
1337 /* Free RX resources. */
1338 for (i = 0; i < UDAV_RX_LIST_CNT; i++) {
1339 if (sc->sc_cdata.udav_rx_chain[i].udav_mbuf != NULL) {
1340 m_freem(sc->sc_cdata.udav_rx_chain[i].udav_mbuf);
1341 sc->sc_cdata.udav_rx_chain[i].udav_mbuf = NULL;
1342 }
1343 if (sc->sc_cdata.udav_rx_chain[i].udav_xfer != NULL) {
1344 usbd_free_xfer(sc->sc_cdata.udav_rx_chain[i].udav_xfer);
1345 sc->sc_cdata.udav_rx_chain[i].udav_xfer = NULL;
1346 }
1347 }
1348
1349 /* Free TX resources. */
1350 for (i = 0; i < UDAV_TX_LIST_CNT; i++) {
1351 if (sc->sc_cdata.udav_tx_chain[i].udav_mbuf != NULL) {
1352 m_freem(sc->sc_cdata.udav_tx_chain[i].udav_mbuf);
1353 sc->sc_cdata.udav_tx_chain[i].udav_mbuf = NULL;
1354 }
1355 if (sc->sc_cdata.udav_tx_chain[i].udav_xfer != NULL) {
1356 usbd_free_xfer(sc->sc_cdata.udav_tx_chain[i].udav_xfer);
1357 sc->sc_cdata.udav_tx_chain[i].udav_xfer = NULL;
1358 }
1359 }
1360
1361 sc->sc_link = 0;
1362 ifp->if_flags &= ~(IFF_RUNNING | IFF_OACTIVE);
1363 }
1364
1365 /* Set media options */
1366 Static int
1367 udav_ifmedia_change(struct ifnet *ifp)
1368 {
1369 struct udav_softc *sc = ifp->if_softc;
1370 struct mii_data *mii = GET_MII(sc);
1371
1372 DPRINTF(("%s: %s: enter\n", USBDEVNAME(sc->sc_dev), __func__));
1373
1374 if (sc->sc_dying)
1375 return (0);
1376
1377 sc->sc_link = 0;
1378 if (mii->mii_instance) {
1379 struct mii_softc *miisc;
1380 for (miisc = LIST_FIRST(&mii->mii_phys); miisc != NULL;
1381 miisc = LIST_NEXT(miisc, mii_list))
1382 mii_phy_reset(miisc);
1383 }
1384
1385 return (mii_mediachg(mii));
1386 }
1387
1388 /* Report current media status. */
1389 Static void
1390 udav_ifmedia_status(struct ifnet *ifp, struct ifmediareq *ifmr)
1391 {
1392 struct udav_softc *sc = ifp->if_softc;
1393 struct mii_data *mii = GET_MII(sc);
1394
1395 DPRINTF(("%s: %s: enter\n", USBDEVNAME(sc->sc_dev), __func__));
1396
1397 if (sc->sc_dying)
1398 return;
1399
1400 if ((ifp->if_flags & IFF_RUNNING) == 0) {
1401 ifmr->ifm_active = IFM_ETHER | IFM_NONE;
1402 ifmr->ifm_status = 0;
1403 return;
1404 }
1405
1406 mii_pollstat(mii);
1407 ifmr->ifm_active = mii->mii_media_active;
1408 ifmr->ifm_status = mii->mii_media_status;
1409 }
1410
1411 Static void
1412 udav_tick(void *xsc)
1413 {
1414 struct udav_softc *sc = xsc;
1415
1416 if (sc == NULL)
1417 return;
1418
1419 DPRINTFN(0xff, ("%s: %s: enter\n", USBDEVNAME(sc->sc_dev),
1420 __func__));
1421
1422 if (sc->sc_dying)
1423 return;
1424
1425 /* Perform periodic stuff in process context */
1426 usb_add_task(sc->sc_udev, &sc->sc_tick_task);
1427 }
1428
1429 Static void
1430 udav_tick_task(void *xsc)
1431 {
1432 struct udav_softc *sc = xsc;
1433 struct ifnet *ifp;
1434 struct mii_data *mii;
1435 int s;
1436
1437 if (sc == NULL)
1438 return;
1439
1440 DPRINTFN(0xff, ("%s: %s: enter\n", USBDEVNAME(sc->sc_dev),
1441 __func__));
1442
1443 if (sc->sc_dying)
1444 return;
1445
1446 ifp = GET_IFP(sc);
1447 mii = GET_MII(sc);
1448
1449 if (mii == NULL)
1450 return;
1451
1452 s = splnet();
1453
1454 mii_tick(mii);
1455 if (!sc->sc_link) {
1456 mii_pollstat(mii);
1457 if (mii->mii_media_status & IFM_ACTIVE &&
1458 IFM_SUBTYPE(mii->mii_media_active) != IFM_NONE) {
1459 DPRINTF(("%s: %s: got link\n",
1460 USBDEVNAME(sc->sc_dev), __func__));
1461 sc->sc_link++;
1462 if (IFQ_IS_EMPTY(&ifp->if_snd) == 0)
1463 udav_start(ifp);
1464 }
1465 }
1466
1467 usb_callout(sc->sc_stat_ch, hz, udav_tick, sc);
1468
1469 splx(s);
1470 }
1471
1472 /* Get exclusive access to the MII registers */
1473 Static void
1474 udav_lock_mii(struct udav_softc *sc)
1475 {
1476 DPRINTFN(0xff, ("%s: %s: enter\n", USBDEVNAME(sc->sc_dev),
1477 __func__));
1478
1479 sc->sc_refcnt++;
1480 lockmgr(&sc->sc_mii_lock, LK_EXCLUSIVE, NULL);
1481 }
1482
1483 Static void
1484 udav_unlock_mii(struct udav_softc *sc)
1485 {
1486 DPRINTFN(0xff, ("%s: %s: enter\n", USBDEVNAME(sc->sc_dev),
1487 __func__));
1488
1489 lockmgr(&sc->sc_mii_lock, LK_RELEASE, NULL);
1490 if (--sc->sc_refcnt < 0)
1491 usb_detach_wakeup(USBDEV(sc->sc_dev));
1492 }
1493
1494 Static int
1495 udav_miibus_readreg(device_ptr_t dev, int phy, int reg)
1496 {
1497 struct udav_softc *sc;
1498 u_int8_t val[2];
1499 u_int16_t data16;
1500
1501 if (dev == NULL)
1502 return (0);
1503
1504 sc = USBGETSOFTC(dev);
1505
1506 DPRINTFN(0xff, ("%s: %s: enter, phy=%d reg=0x%04x\n",
1507 USBDEVNAME(sc->sc_dev), __func__, phy, reg));
1508
1509 if (sc->sc_dying) {
1510 #ifdef DIAGNOSTIC
1511 printf("%s: %s: dying\n", USBDEVNAME(sc->sc_dev),
1512 __func__);
1513 #endif
1514 return (0);
1515 }
1516
1517 /* XXX: one PHY only for the internal PHY */
1518 if (phy != 0) {
1519 DPRINTFN(0xff, ("%s: %s: phy=%d is not supported\n",
1520 USBDEVNAME(sc->sc_dev), __func__, phy));
1521 return (0);
1522 }
1523
1524 udav_lock_mii(sc);
1525
1526 /* select internal PHY and set PHY register address */
1527 udav_csr_write1(sc, UDAV_EPAR,
1528 UDAV_EPAR_PHY_ADR0 | (reg & UDAV_EPAR_EROA_MASK));
1529
1530 /* select PHY operation and start read command */
1531 udav_csr_write1(sc, UDAV_EPCR, UDAV_EPCR_EPOS | UDAV_EPCR_ERPRR);
1532
1533 /* XXX: should be wait? */
1534
1535 /* end read command */
1536 UDAV_CLRBIT(sc, UDAV_EPCR, UDAV_EPCR_ERPRR);
1537
1538 /* retrieve the result from data registers */
1539 udav_csr_read(sc, UDAV_EPDRL, val, 2);
1540
1541 udav_unlock_mii(sc);
1542
1543 data16 = val[0] | (val[1] << 8);
1544
1545 DPRINTFN(0xff, ("%s: %s: phy=%d reg=0x%04x => 0x%04x\n",
1546 USBDEVNAME(sc->sc_dev), __func__, phy, reg, data16));
1547
1548 return (data16);
1549 }
1550
1551 Static void
1552 udav_miibus_writereg(device_ptr_t dev, int phy, int reg, int data)
1553 {
1554 struct udav_softc *sc;
1555 u_int8_t val[2];
1556
1557 if (dev == NULL)
1558 return;
1559
1560 sc = USBGETSOFTC(dev);
1561
1562 DPRINTFN(0xff, ("%s: %s: enter, phy=%d reg=0x%04x data=0x%04x\n",
1563 USBDEVNAME(sc->sc_dev), __func__, phy, reg, data));
1564
1565 if (sc->sc_dying) {
1566 #ifdef DIAGNOSTIC
1567 printf("%s: %s: dying\n", USBDEVNAME(sc->sc_dev),
1568 __func__);
1569 #endif
1570 return;
1571 }
1572
1573 /* XXX: one PHY only for the internal PHY */
1574 if (phy != 0) {
1575 DPRINTFN(0xff, ("%s: %s: phy=%d is not supported\n",
1576 USBDEVNAME(sc->sc_dev), __func__, phy));
1577 return;
1578 }
1579
1580 udav_lock_mii(sc);
1581
1582 /* select internal PHY and set PHY register address */
1583 udav_csr_write1(sc, UDAV_EPAR,
1584 UDAV_EPAR_PHY_ADR0 | (reg & UDAV_EPAR_EROA_MASK));
1585
1586 /* put the value to the data registers */
1587 val[0] = data & 0xff;
1588 val[1] = (data >> 8) & 0xff;
1589 udav_csr_write(sc, UDAV_EPDRL, val, 2);
1590
1591 /* select PHY operation and start write command */
1592 udav_csr_write1(sc, UDAV_EPCR, UDAV_EPCR_EPOS | UDAV_EPCR_ERPRW);
1593
1594 /* XXX: should be wait? */
1595
1596 /* end write command */
1597 UDAV_CLRBIT(sc, UDAV_EPCR, UDAV_EPCR_ERPRW);
1598
1599 udav_unlock_mii(sc);
1600
1601 return;
1602 }
1603
1604 Static void
1605 udav_miibus_statchg(device_ptr_t dev)
1606 {
1607 #ifdef UDAV_DEBUG
1608 struct udav_softc *sc;
1609
1610 if (dev == NULL)
1611 return;
1612
1613 sc = USBGETSOFTC(dev);
1614 DPRINTF(("%s: %s: enter\n", USBDEVNAME(sc->sc_dev), __func__));
1615 #endif
1616 /* Nothing to do */
1617 }
Cache object: dc41b58c310571e345e9dcdb7d2af046
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