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[netbsd-mini2440.git] / sys / dev / usb / if_url.c
blob70a13e850d2ebba22344ae19f18bb0e6c08ae3f4
1 /* $NetBSD: if_url.c,v 1.34 2009/09/23 19:07:19 plunky Exp $ */
2 /*
3 * Copyright (c) 2001, 2002
4 * Shingo WATANABE <nabe@nabechan.org>. 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. Neither the name of the author nor the names of any co-contributors
15 * may be used to endorse or promote products derived from this software
16 * without specific prior written permission.
17 *
18 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
19 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
20 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
21 * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
22 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
23 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
24 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
25 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
26 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
27 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
28 * SUCH DAMAGE.
29 *
30 */
31
32 /*
33 * The RTL8150L(Realtek USB to fast ethernet controller) spec can be found at
34 * ftp://ftp.realtek.com.tw/lancard/data_sheet/8150/8150v14.pdf
35 * ftp://152.104.125.40/lancard/data_sheet/8150/8150v14.pdf
36 */
37
38 /*
39 * TODO:
40 * Interrupt Endpoint support
41 * External PHYs
42 * powerhook() support?
43 */
44
45 #include <sys/cdefs.h>
46 __KERNEL_RCSID(0, "$NetBSD: if_url.c,v 1.34 2009/09/23 19:07:19 plunky Exp $");
47
48 #include "opt_inet.h"
49 #include "bpfilter.h"
50 #include "rnd.h"
51
52 #include <sys/param.h>
53 #include <sys/systm.h>
54 #include <sys/rwlock.h>
55 #include <sys/mbuf.h>
56 #include <sys/kernel.h>
57 #include <sys/socket.h>
58
59 #include <sys/device.h>
60 #if NRND > 0
61 #include <sys/rnd.h>
62 #endif
63
64 #include <net/if.h>
65 #include <net/if_arp.h>
66 #include <net/if_dl.h>
67 #include <net/if_media.h>
68
69 #if NBPFILTER > 0
70 #include <net/bpf.h>
71 #endif
72 #define BPF_MTAP(ifp, m) bpf_mtap((ifp)->if_bpf, (m))
73
74 #include <net/if_ether.h>
75 #ifdef INET
76 #include <netinet/in.h>
77 #include <netinet/if_inarp.h>
78 #endif
79
80 #include <dev/mii/mii.h>
81 #include <dev/mii/miivar.h>
82 #include <dev/mii/urlphyreg.h>
83
84 #include <dev/usb/usb.h>
85 #include <dev/usb/usbdi.h>
86 #include <dev/usb/usbdi_util.h>
87 #include <dev/usb/usbdevs.h>
88
89 #include <dev/usb/if_urlreg.h>
90
91
92 /* Function declarations */
93 USB_DECLARE_DRIVER(url);
94
95 Static int url_openpipes(struct url_softc *);
96 Static int url_rx_list_init(struct url_softc *);
97 Static int url_tx_list_init(struct url_softc *);
98 Static int url_newbuf(struct url_softc *, struct url_chain *, struct mbuf *);
99 Static void url_start(struct ifnet *);
100 Static int url_send(struct url_softc *, struct mbuf *, int);
101 Static void url_txeof(usbd_xfer_handle, usbd_private_handle, usbd_status);
102 Static void url_rxeof(usbd_xfer_handle, usbd_private_handle, usbd_status);
103 Static void url_tick(void *);
104 Static void url_tick_task(void *);
105 Static int url_ioctl(struct ifnet *, u_long, void *);
106 Static void url_stop_task(struct url_softc *);
107 Static void url_stop(struct ifnet *, int);
108 Static void url_watchdog(struct ifnet *);
109 Static int url_ifmedia_change(struct ifnet *);
110 Static void url_ifmedia_status(struct ifnet *, struct ifmediareq *);
111 Static void url_lock_mii(struct url_softc *);
112 Static void url_unlock_mii(struct url_softc *);
113 Static int url_int_miibus_readreg(device_ptr_t, int, int);
114 Static void url_int_miibus_writereg(device_ptr_t, int, int, int);
115 Static void url_miibus_statchg(device_ptr_t);
116 Static int url_init(struct ifnet *);
117 Static void url_setmulti(struct url_softc *);
118 Static void url_reset(struct url_softc *);
119
120 Static int url_csr_read_1(struct url_softc *, int);
121 Static int url_csr_read_2(struct url_softc *, int);
122 Static int url_csr_write_1(struct url_softc *, int, int);
123 Static int url_csr_write_2(struct url_softc *, int, int);
124 Static int url_csr_write_4(struct url_softc *, int, int);
125 Static int url_mem(struct url_softc *, int, int, void *, int);
126
127 /* Macros */
128 #ifdef URL_DEBUG
129 #define DPRINTF(x) if (urldebug) logprintf x
130 #define DPRINTFN(n,x) if (urldebug >= (n)) logprintf x
131 int urldebug = 0;
132 #else
133 #define DPRINTF(x)
134 #define DPRINTFN(n,x)
135 #endif
136
137 #define URL_SETBIT(sc, reg, x) \
138 url_csr_write_1(sc, reg, url_csr_read_1(sc, reg) | (x))
139
140 #define URL_SETBIT2(sc, reg, x) \
141 url_csr_write_2(sc, reg, url_csr_read_2(sc, reg) | (x))
142
143 #define URL_CLRBIT(sc, reg, x) \
144 url_csr_write_1(sc, reg, url_csr_read_1(sc, reg) & ~(x))
145
146 #define URL_CLRBIT2(sc, reg, x) \
147 url_csr_write_2(sc, reg, url_csr_read_2(sc, reg) & ~(x))
148
149 static const struct url_type {
150 struct usb_devno url_dev;
151 u_int16_t url_flags;
152 #define URL_EXT_PHY 0x0001
153 } url_devs [] = {
154 /* MELCO LUA-KTX */
155 {{ USB_VENDOR_MELCO, USB_PRODUCT_MELCO_LUAKTX }, 0},
156 /* Realtek RTL8150L Generic (GREEN HOUSE USBKR100) */
157 {{ USB_VENDOR_REALTEK, USB_PRODUCT_REALTEK_RTL8150L}, 0},
158 /* Longshine LCS-8138TX */
159 {{ USB_VENDOR_ABOCOM, USB_PRODUCT_ABOCOM_LCS8138TX}, 0},
160 /* Micronet SP128AR */
161 {{ USB_VENDOR_MICRONET, USB_PRODUCT_MICRONET_SP128AR}, 0},
162 /* OQO model 01 */
163 {{ USB_VENDOR_OQO, USB_PRODUCT_OQO_ETHER01}, 0},
164 };
165 #define url_lookup(v, p) ((const struct url_type *)usb_lookup(url_devs, v, p))
166
167
168 /* Probe */
169 USB_MATCH(url)
170 {
171 USB_MATCH_START(url, uaa);
172
173 return (url_lookup(uaa->vendor, uaa->product) != NULL ?
174 UMATCH_VENDOR_PRODUCT : UMATCH_NONE);
175 }
176 /* Attach */
177 USB_ATTACH(url)
178 {
179 USB_ATTACH_START(url, sc, uaa);
180 usbd_device_handle dev = uaa->device;
181 usbd_interface_handle iface;
182 usbd_status err;
183 usb_interface_descriptor_t *id;
184 usb_endpoint_descriptor_t *ed;
185 char *devinfop;
186 struct ifnet *ifp;
187 struct mii_data *mii;
188 u_char eaddr[ETHER_ADDR_LEN];
189 int i, s;
190
191 sc->sc_dev = self;
192
193 aprint_naive("\n");
194 aprint_normal("\n");
195
196 devinfop = usbd_devinfo_alloc(dev, 0);
197 aprint_normal_dev(self, "%s\n", devinfop);
198 usbd_devinfo_free(devinfop);
199
200 /* Move the device into the configured state. */
201 err = usbd_set_config_no(dev, URL_CONFIG_NO, 1);
202 if (err) {
203 aprint_error_dev(self, "setting config no failed\n");
204 goto bad;
205 }
206
207 usb_init_task(&sc->sc_tick_task, url_tick_task, sc);
208 rw_init(&sc->sc_mii_rwlock);
209 usb_init_task(&sc->sc_stop_task, (void (*)(void *)) url_stop_task, sc);
210
211 /* get control interface */
212 err = usbd_device2interface_handle(dev, URL_IFACE_INDEX, &iface);
213 if (err) {
214 aprint_error_dev(self, "failed to get interface, err=%s\n",
215 usbd_errstr(err));
216 goto bad;
217 }
218
219 sc->sc_udev = dev;
220 sc->sc_ctl_iface = iface;
221 sc->sc_flags = url_lookup(uaa->vendor, uaa->product)->url_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 aprint_error_dev(self,
232 "couldn't get endpoint %d\n", i);
233 goto bad;
234 }
235 if ((ed->bmAttributes & UE_XFERTYPE) == UE_BULK &&
236 UE_GET_DIR(ed->bEndpointAddress) == UE_DIR_IN)
237 sc->sc_bulkin_no = ed->bEndpointAddress; /* RX */
238 else if ((ed->bmAttributes & UE_XFERTYPE) == UE_BULK &&
239 UE_GET_DIR(ed->bEndpointAddress) == UE_DIR_OUT)
240 sc->sc_bulkout_no = ed->bEndpointAddress; /* TX */
241 else if ((ed->bmAttributes & UE_XFERTYPE) == UE_INTERRUPT &&
242 UE_GET_DIR(ed->bEndpointAddress) == UE_DIR_IN)
243 sc->sc_intrin_no = ed->bEndpointAddress; /* Status */
244 }
245
246 if (sc->sc_bulkin_no == -1 || sc->sc_bulkout_no == -1 ||
247 sc->sc_intrin_no == -1) {
248 aprint_error_dev(self, "missing endpoint\n");
249 goto bad;
250 }
251
252 s = splnet();
253
254 /* reset the adapter */
255 url_reset(sc);
256
257 /* Get Ethernet Address */
258 err = url_mem(sc, URL_CMD_READMEM, URL_IDR0, (void *)eaddr,
259 ETHER_ADDR_LEN);
260 if (err) {
261 aprint_error_dev(self, "read MAC address failed\n");
262 splx(s);
263 goto bad;
264 }
265
266 /* Print Ethernet Address */
267 aprint_normal_dev(self, "Ethernet address %s\n", ether_sprintf(eaddr));
268
269 /* initialize interface information */
270 ifp = GET_IFP(sc);
271 ifp->if_softc = sc;
272 ifp->if_mtu = ETHERMTU;
273 strncpy(ifp->if_xname, device_xname(self), IFNAMSIZ);
274 ifp->if_flags = IFF_BROADCAST | IFF_SIMPLEX | IFF_MULTICAST;
275 ifp->if_start = url_start;
276 ifp->if_ioctl = url_ioctl;
277 ifp->if_watchdog = url_watchdog;
278 ifp->if_init = url_init;
279 ifp->if_stop = url_stop;
280
281 IFQ_SET_READY(&ifp->if_snd);
282
283 /*
284 * Do ifmedia setup.
285 */
286 mii = &sc->sc_mii;
287 mii->mii_ifp = ifp;
288 mii->mii_readreg = url_int_miibus_readreg;
289 mii->mii_writereg = url_int_miibus_writereg;
290 #if 0
291 if (sc->sc_flags & URL_EXT_PHY) {
292 mii->mii_readreg = url_ext_miibus_readreg;
293 mii->mii_writereg = url_ext_miibus_writereg;
294 }
295 #endif
296 mii->mii_statchg = url_miibus_statchg;
297 mii->mii_flags = MIIF_AUTOTSLEEP;
298 sc->sc_ec.ec_mii = mii;
299 ifmedia_init(&mii->mii_media, 0,
300 url_ifmedia_change, url_ifmedia_status);
301 mii_attach(self, mii, 0xffffffff, MII_PHY_ANY, MII_OFFSET_ANY, 0);
302 if (LIST_FIRST(&mii->mii_phys) == NULL) {
303 ifmedia_add(&mii->mii_media, IFM_ETHER | IFM_NONE, 0, NULL);
304 ifmedia_set(&mii->mii_media, IFM_ETHER | IFM_NONE);
305 } else
306 ifmedia_set(&mii->mii_media, IFM_ETHER | IFM_AUTO);
307
308 /* attach the interface */
309 if_attach(ifp);
310 Ether_ifattach(ifp, eaddr);
311
312 #if NRND > 0
313 rnd_attach_source(&sc->rnd_source, device_xname(self),
314 RND_TYPE_NET, 0);
315 #endif
316
317 usb_callout_init(sc->sc_stat_ch);
318 sc->sc_attached = 1;
319 splx(s);
320
321 usbd_add_drv_event(USB_EVENT_DRIVER_ATTACH, dev, USBDEV(sc->sc_dev));
322
323 USB_ATTACH_SUCCESS_RETURN;
324
325 bad:
326 sc->sc_dying = 1;
327 USB_ATTACH_ERROR_RETURN;
328 }
329
330 /* detach */
331 USB_DETACH(url)
332 {
333 USB_DETACH_START(url, sc);
334 struct ifnet *ifp = GET_IFP(sc);
335 int s;
336
337 DPRINTF(("%s: %s: enter\n", USBDEVNAME(sc->sc_dev), __func__));
338
339 /* Detached before attached finished */
340 if (!sc->sc_attached)
341 return (0);
342
343 usb_uncallout(sc->sc_stat_ch, url_tick, sc);
344
345 /* Remove any pending tasks */
346 usb_rem_task(sc->sc_udev, &sc->sc_tick_task);
347 usb_rem_task(sc->sc_udev, &sc->sc_stop_task);
348
349 s = splusb();
350
351 if (--sc->sc_refcnt >= 0) {
352 /* Wait for processes to go away */
353 usb_detach_wait(USBDEV(sc->sc_dev));
354 }
355
356 if (ifp->if_flags & IFF_RUNNING)
357 url_stop(GET_IFP(sc), 1);
358
359 #if NRND > 0
360 rnd_detach_source(&sc->rnd_source);
361 #endif
362 mii_detach(&sc->sc_mii, MII_PHY_ANY, MII_OFFSET_ANY);
363 ifmedia_delete_instance(&sc->sc_mii.mii_media, IFM_INST_ANY);
364 ether_ifdetach(ifp);
365 if_detach(ifp);
366
367 #ifdef DIAGNOSTIC
368 if (sc->sc_pipe_tx != NULL)
369 aprint_debug_dev(self, "detach has active tx endpoint.\n");
370 if (sc->sc_pipe_rx != NULL)
371 aprint_debug_dev(self, "detach has active rx endpoint.\n");
372 if (sc->sc_pipe_intr != NULL)
373 aprint_debug_dev(self, "detach has active intr endpoint.\n");
374 #endif
375
376 sc->sc_attached = 0;
377
378 splx(s);
379
380 rw_destroy(&sc->sc_mii_rwlock);
381 usbd_add_drv_event(USB_EVENT_DRIVER_DETACH, sc->sc_udev,
382 USBDEV(sc->sc_dev));
383
384 return (0);
385 }
386
387 /* read/write memory */
388 Static int
389 url_mem(struct url_softc *sc, int cmd, int offset, void *buf, int len)
390 {
391 usb_device_request_t req;
392 usbd_status err;
393
394 if (sc == NULL)
395 return (0);
396
397 DPRINTFN(0x200,
398 ("%s: %s: enter\n", USBDEVNAME(sc->sc_dev), __func__));
399
400 if (sc->sc_dying)
401 return (0);
402
403 if (cmd == URL_CMD_READMEM)
404 req.bmRequestType = UT_READ_VENDOR_DEVICE;
405 else
406 req.bmRequestType = UT_WRITE_VENDOR_DEVICE;
407 req.bRequest = URL_REQ_MEM;
408 USETW(req.wValue, offset);
409 USETW(req.wIndex, 0x0000);
410 USETW(req.wLength, len);
411
412 sc->sc_refcnt++;
413 err = usbd_do_request(sc->sc_udev, &req, buf);
414 if (--sc->sc_refcnt < 0)
415 usb_detach_wakeup(USBDEV(sc->sc_dev));
416 if (err) {
417 DPRINTF(("%s: url_mem(): %s failed. off=%04x, err=%d\n",
418 USBDEVNAME(sc->sc_dev),
419 cmd == URL_CMD_READMEM ? "read" : "write",
420 offset, err));
421 }
422
423 return (err);
424 }
425
426 /* read 1byte from register */
427 Static int
428 url_csr_read_1(struct url_softc *sc, int reg)
429 {
430 u_int8_t val = 0;
431
432 DPRINTFN(0x100,
433 ("%s: %s: enter\n", USBDEVNAME(sc->sc_dev), __func__));
434
435 if (sc->sc_dying)
436 return (0);
437
438 return (url_mem(sc, URL_CMD_READMEM, reg, &val, 1) ? 0 : val);
439 }
440
441 /* read 2bytes from register */
442 Static int
443 url_csr_read_2(struct url_softc *sc, int reg)
444 {
445 uWord val;
446
447 DPRINTFN(0x100,
448 ("%s: %s: enter\n", USBDEVNAME(sc->sc_dev), __func__));
449
450 if (sc->sc_dying)
451 return (0);
452
453 USETW(val, 0);
454 return (url_mem(sc, URL_CMD_READMEM, reg, &val, 2) ? 0 : UGETW(val));
455 }
456
457 /* write 1byte to register */
458 Static int
459 url_csr_write_1(struct url_softc *sc, int reg, int aval)
460 {
461 u_int8_t val = aval;
462
463 DPRINTFN(0x100,
464 ("%s: %s: enter\n", USBDEVNAME(sc->sc_dev), __func__));
465
466 if (sc->sc_dying)
467 return (0);
468
469 return (url_mem(sc, URL_CMD_WRITEMEM, reg, &val, 1) ? -1 : 0);
470 }
471
472 /* write 2bytes to register */
473 Static int
474 url_csr_write_2(struct url_softc *sc, int reg, int aval)
475 {
476 uWord val;
477
478 DPRINTFN(0x100,
479 ("%s: %s: enter\n", USBDEVNAME(sc->sc_dev), __func__));
480
481 USETW(val, aval);
482
483 if (sc->sc_dying)
484 return (0);
485
486 return (url_mem(sc, URL_CMD_WRITEMEM, reg, &val, 2) ? -1 : 0);
487 }
488
489 /* write 4bytes to register */
490 Static int
491 url_csr_write_4(struct url_softc *sc, int reg, int aval)
492 {
493 uDWord val;
494
495 DPRINTFN(0x100,
496 ("%s: %s: enter\n", USBDEVNAME(sc->sc_dev), __func__));
497
498 USETDW(val, aval);
499
500 if (sc->sc_dying)
501 return (0);
502
503 return (url_mem(sc, URL_CMD_WRITEMEM, reg, &val, 4) ? -1 : 0);
504 }
505
506 Static int
507 url_init(struct ifnet *ifp)
508 {
509 struct url_softc *sc = ifp->if_softc;
510 struct mii_data *mii = GET_MII(sc);
511 const u_char *eaddr;
512 int i, rc, s;
513
514 DPRINTF(("%s: %s: enter\n", USBDEVNAME(sc->sc_dev), __func__));
515
516 if (sc->sc_dying)
517 return (EIO);
518
519 s = splnet();
520
521 /* Cancel pending I/O and free all TX/RX buffers */
522 url_stop(ifp, 1);
523
524 eaddr = CLLADDR(ifp->if_sadl);
525 for (i = 0; i < ETHER_ADDR_LEN; i++)
526 url_csr_write_1(sc, URL_IDR0 + i, eaddr[i]);
527
528 /* Init transmission control register */
529 URL_CLRBIT(sc, URL_TCR,
530 URL_TCR_TXRR1 | URL_TCR_TXRR0 |
531 URL_TCR_IFG1 | URL_TCR_IFG0 |
532 URL_TCR_NOCRC);
533
534 /* Init receive control register */
535 URL_SETBIT2(sc, URL_RCR, URL_RCR_TAIL | URL_RCR_AD);
536 if (ifp->if_flags & IFF_BROADCAST)
537 URL_SETBIT2(sc, URL_RCR, URL_RCR_AB);
538 else
539 URL_CLRBIT2(sc, URL_RCR, URL_RCR_AB);
540
541 /* If we want promiscuous mode, accept all physical frames. */
542 if (ifp->if_flags & IFF_PROMISC)
543 URL_SETBIT2(sc, URL_RCR, URL_RCR_AAM|URL_RCR_AAP);
544 else
545 URL_CLRBIT2(sc, URL_RCR, URL_RCR_AAM|URL_RCR_AAP);
546
547
548 /* Initialize transmit ring */
549 if (url_tx_list_init(sc) == ENOBUFS) {
550 printf("%s: tx list init failed\n", USBDEVNAME(sc->sc_dev));
551 splx(s);
552 return (EIO);
553 }
554
555 /* Initialize receive ring */
556 if (url_rx_list_init(sc) == ENOBUFS) {
557 printf("%s: rx list init failed\n", USBDEVNAME(sc->sc_dev));
558 splx(s);
559 return (EIO);
560 }
561
562 /* Load the multicast filter */
563 url_setmulti(sc);
564
565 /* Enable RX and TX */
566 URL_SETBIT(sc, URL_CR, URL_CR_TE | URL_CR_RE);
567
568 if ((rc = mii_mediachg(mii)) == ENXIO)
569 rc = 0;
570 else if (rc != 0)
571 goto out;
572
573 if (sc->sc_pipe_tx == NULL || sc->sc_pipe_rx == NULL) {
574 if (url_openpipes(sc)) {
575 splx(s);
576 return (EIO);
577 }
578 }
579
580 ifp->if_flags |= IFF_RUNNING;
581 ifp->if_flags &= ~IFF_OACTIVE;
582
583 usb_callout(sc->sc_stat_ch, hz, url_tick, sc);
584
585 out:
586 splx(s);
587 return rc;
588 }
589
590 Static void
591 url_reset(struct url_softc *sc)
592 {
593 int i;
594
595 DPRINTF(("%s: %s: enter\n", USBDEVNAME(sc->sc_dev), __func__));
596
597 if (sc->sc_dying)
598 return;
599
600 URL_SETBIT(sc, URL_CR, URL_CR_SOFT_RST);
601
602 for (i = 0; i < URL_TX_TIMEOUT; i++) {
603 if (!(url_csr_read_1(sc, URL_CR) & URL_CR_SOFT_RST))
604 break;
605 delay(10); /* XXX */
606 }
607
608 delay(10000); /* XXX */
609 }
610
611 int
612 url_activate(device_ptr_t self, enum devact act)
613 {
614 struct url_softc *sc = device_private(self);
615
616 DPRINTF(("%s: %s: enter, act=%d\n", USBDEVNAME(sc->sc_dev),
617 __func__, act));
618
619 switch (act) {
620 case DVACT_DEACTIVATE:
621 if_deactivate(&sc->sc_ec.ec_if);
622 sc->sc_dying = 1;
623 return 0;
624 default:
625 return EOPNOTSUPP;
626 }
627 }
628
629 #define url_calchash(addr) (ether_crc32_be((addr), ETHER_ADDR_LEN) >> 26)
630
631
632 Static void
633 url_setmulti(struct url_softc *sc)
634 {
635 struct ifnet *ifp;
636 struct ether_multi *enm;
637 struct ether_multistep step;
638 u_int32_t hashes[2] = { 0, 0 };
639 int h = 0;
640 int mcnt = 0;
641
642 DPRINTF(("%s: %s: enter\n", USBDEVNAME(sc->sc_dev), __func__));
643
644 if (sc->sc_dying)
645 return;
646
647 ifp = GET_IFP(sc);
648
649 if (ifp->if_flags & IFF_PROMISC) {
650 URL_SETBIT2(sc, URL_RCR, URL_RCR_AAM|URL_RCR_AAP);
651 return;
652 } else if (ifp->if_flags & IFF_ALLMULTI) {
653 allmulti:
654 ifp->if_flags |= IFF_ALLMULTI;
655 URL_SETBIT2(sc, URL_RCR, URL_RCR_AAM);
656 URL_CLRBIT2(sc, URL_RCR, URL_RCR_AAP);
657 return;
658 }
659
660 /* first, zot all the existing hash bits */
661 url_csr_write_4(sc, URL_MAR0, 0);
662 url_csr_write_4(sc, URL_MAR4, 0);
663
664 /* now program new ones */
665 ETHER_FIRST_MULTI(step, &sc->sc_ec, enm);
666 while (enm != NULL) {
667 if (memcmp(enm->enm_addrlo, enm->enm_addrhi,
668 ETHER_ADDR_LEN) != 0)
669 goto allmulti;
670
671 h = url_calchash(enm->enm_addrlo);
672 if (h < 32)
673 hashes[0] |= (1 << h);
674 else
675 hashes[1] |= (1 << (h -32));
676 mcnt++;
677 ETHER_NEXT_MULTI(step, enm);
678 }
679
680 ifp->if_flags &= ~IFF_ALLMULTI;
681
682 URL_CLRBIT2(sc, URL_RCR, URL_RCR_AAM|URL_RCR_AAP);
683
684 if (mcnt){
685 URL_SETBIT2(sc, URL_RCR, URL_RCR_AM);
686 } else {
687 URL_CLRBIT2(sc, URL_RCR, URL_RCR_AM);
688 }
689 url_csr_write_4(sc, URL_MAR0, hashes[0]);
690 url_csr_write_4(sc, URL_MAR4, hashes[1]);
691 }
692
693 Static int
694 url_openpipes(struct url_softc *sc)
695 {
696 struct url_chain *c;
697 usbd_status err;
698 int i;
699 int error = 0;
700
701 if (sc->sc_dying)
702 return (EIO);
703
704 sc->sc_refcnt++;
705
706 /* Open RX pipe */
707 err = usbd_open_pipe(sc->sc_ctl_iface, sc->sc_bulkin_no,
708 USBD_EXCLUSIVE_USE, &sc->sc_pipe_rx);
709 if (err) {
710 printf("%s: open rx pipe failed: %s\n",
711 USBDEVNAME(sc->sc_dev), usbd_errstr(err));
712 error = EIO;
713 goto done;
714 }
715
716 /* Open TX pipe */
717 err = usbd_open_pipe(sc->sc_ctl_iface, sc->sc_bulkout_no,
718 USBD_EXCLUSIVE_USE, &sc->sc_pipe_tx);
719 if (err) {
720 printf("%s: open tx pipe failed: %s\n",
721 USBDEVNAME(sc->sc_dev), usbd_errstr(err));
722 error = EIO;
723 goto done;
724 }
725
726 #if 0
727 /* XXX: interrupt endpoint is not yet supported */
728 /* Open Interrupt pipe */
729 err = usbd_open_pipe_intr(sc->sc_ctl_iface, sc->sc_intrin_no,
730 USBD_EXCLUSIVE_USE, &sc->sc_pipe_intr, sc,
731 &sc->sc_cdata.url_ibuf, URL_INTR_PKGLEN,
732 url_intr, USBD_DEFAULT_INTERVAL);
733 if (err) {
734 printf("%s: open intr pipe failed: %s\n",
735 USBDEVNAME(sc->sc_dev), usbd_errstr(err));
736 error = EIO;
737 goto done;
738 }
739 #endif
740
741
742 /* Start up the receive pipe. */
743 for (i = 0; i < URL_RX_LIST_CNT; i++) {
744 c = &sc->sc_cdata.url_rx_chain[i];
745 usbd_setup_xfer(c->url_xfer, sc->sc_pipe_rx,
746 c, c->url_buf, URL_BUFSZ,
747 USBD_SHORT_XFER_OK | USBD_NO_COPY,
748 USBD_NO_TIMEOUT, url_rxeof);
749 (void)usbd_transfer(c->url_xfer);
750 DPRINTF(("%s: %s: start read\n", USBDEVNAME(sc->sc_dev),
751 __func__));
752 }
753
754 done:
755 if (--sc->sc_refcnt < 0)
756 usb_detach_wakeup(USBDEV(sc->sc_dev));
757
758 return (error);
759 }
760
761 Static int
762 url_newbuf(struct url_softc *sc, struct url_chain *c, struct mbuf *m)
763 {
764 struct mbuf *m_new = NULL;
765
766 DPRINTF(("%s: %s: enter\n", USBDEVNAME(sc->sc_dev), __func__));
767
768 if (m == NULL) {
769 MGETHDR(m_new, M_DONTWAIT, MT_DATA);
770 if (m_new == NULL) {
771 printf("%s: no memory for rx list "
772 "-- packet dropped!\n", USBDEVNAME(sc->sc_dev));
773 return (ENOBUFS);
774 }
775 MCLGET(m_new, M_DONTWAIT);
776 if (!(m_new->m_flags & M_EXT)) {
777 printf("%s: no memory for rx list "
778 "-- packet dropped!\n", USBDEVNAME(sc->sc_dev));
779 m_freem(m_new);
780 return (ENOBUFS);
781 }
782 m_new->m_len = m_new->m_pkthdr.len = MCLBYTES;
783 } else {
784 m_new = m;
785 m_new->m_len = m_new->m_pkthdr.len = MCLBYTES;
786 m_new->m_data = m_new->m_ext.ext_buf;
787 }
788
789 m_adj(m_new, ETHER_ALIGN);
790 c->url_mbuf = m_new;
791
792 return (0);
793 }
794
795
796 Static int
797 url_rx_list_init(struct url_softc *sc)
798 {
799 struct url_cdata *cd;
800 struct url_chain *c;
801 int i;
802
803 DPRINTF(("%s: %s: enter\n", USBDEVNAME(sc->sc_dev), __func__));
804
805 cd = &sc->sc_cdata;
806 for (i = 0; i < URL_RX_LIST_CNT; i++) {
807 c = &cd->url_rx_chain[i];
808 c->url_sc = sc;
809 c->url_idx = i;
810 if (url_newbuf(sc, c, NULL) == ENOBUFS)
811 return (ENOBUFS);
812 if (c->url_xfer == NULL) {
813 c->url_xfer = usbd_alloc_xfer(sc->sc_udev);
814 if (c->url_xfer == NULL)
815 return (ENOBUFS);
816 c->url_buf = usbd_alloc_buffer(c->url_xfer, URL_BUFSZ);
817 if (c->url_buf == NULL) {
818 usbd_free_xfer(c->url_xfer);
819 return (ENOBUFS);
820 }
821 }
822 }
823
824 return (0);
825 }
826
827 Static int
828 url_tx_list_init(struct url_softc *sc)
829 {
830 struct url_cdata *cd;
831 struct url_chain *c;
832 int i;
833
834 DPRINTF(("%s: %s: enter\n", USBDEVNAME(sc->sc_dev), __func__));
835
836 cd = &sc->sc_cdata;
837 for (i = 0; i < URL_TX_LIST_CNT; i++) {
838 c = &cd->url_tx_chain[i];
839 c->url_sc = sc;
840 c->url_idx = i;
841 c->url_mbuf = NULL;
842 if (c->url_xfer == NULL) {
843 c->url_xfer = usbd_alloc_xfer(sc->sc_udev);
844 if (c->url_xfer == NULL)
845 return (ENOBUFS);
846 c->url_buf = usbd_alloc_buffer(c->url_xfer, URL_BUFSZ);
847 if (c->url_buf == NULL) {
848 usbd_free_xfer(c->url_xfer);
849 return (ENOBUFS);
850 }
851 }
852 }
853
854 return (0);
855 }
856
857 Static void
858 url_start(struct ifnet *ifp)
859 {
860 struct url_softc *sc = ifp->if_softc;
861 struct mbuf *m_head = NULL;
862
863 DPRINTF(("%s: %s: enter, link=%d\n", USBDEVNAME(sc->sc_dev),
864 __func__, sc->sc_link));
865
866 if (sc->sc_dying)
867 return;
868
869 if (!sc->sc_link)
870 return;
871
872 if (ifp->if_flags & IFF_OACTIVE)
873 return;
874
875 IFQ_POLL(&ifp->if_snd, m_head);
876 if (m_head == NULL)
877 return;
878
879 if (url_send(sc, m_head, 0)) {
880 ifp->if_flags |= IFF_OACTIVE;
881 return;
882 }
883
884 IFQ_DEQUEUE(&ifp->if_snd, m_head);
885
886 #if NBPFILTER > 0
887 if (ifp->if_bpf)
888 bpf_mtap(ifp->if_bpf, m_head);
889 #endif
890
891 ifp->if_flags |= IFF_OACTIVE;
892
893 /* Set a timeout in case the chip goes out to lunch. */
894 ifp->if_timer = 5;
895 }
896
897 Static int
898 url_send(struct url_softc *sc, struct mbuf *m, int idx)
899 {
900 int total_len;
901 struct url_chain *c;
902 usbd_status err;
903
904 DPRINTF(("%s: %s: enter\n", USBDEVNAME(sc->sc_dev),__func__));
905
906 c = &sc->sc_cdata.url_tx_chain[idx];
907
908 /* Copy the mbuf data into a contiguous buffer */
909 m_copydata(m, 0, m->m_pkthdr.len, c->url_buf);
910 c->url_mbuf = m;
911 total_len = m->m_pkthdr.len;
912
913 if (total_len < URL_MIN_FRAME_LEN) {
914 memset(c->url_buf + total_len, 0,
915 URL_MIN_FRAME_LEN - total_len);
916 total_len = URL_MIN_FRAME_LEN;
917 }
918 usbd_setup_xfer(c->url_xfer, sc->sc_pipe_tx, c, c->url_buf, total_len,
919 USBD_FORCE_SHORT_XFER | USBD_NO_COPY,
920 URL_TX_TIMEOUT, url_txeof);
921
922 /* Transmit */
923 sc->sc_refcnt++;
924 err = usbd_transfer(c->url_xfer);
925 if (--sc->sc_refcnt < 0)
926 usb_detach_wakeup(USBDEV(sc->sc_dev));
927 if (err != USBD_IN_PROGRESS) {
928 printf("%s: url_send error=%s\n", USBDEVNAME(sc->sc_dev),
929 usbd_errstr(err));
930 /* Stop the interface */
931 usb_add_task(sc->sc_udev, &sc->sc_stop_task,
932 USB_TASKQ_DRIVER);
933 return (EIO);
934 }
935
936 DPRINTF(("%s: %s: send %d bytes\n", USBDEVNAME(sc->sc_dev),
937 __func__, total_len));
938
939 sc->sc_cdata.url_tx_cnt++;
940
941 return (0);
942 }
943
944 Static void
945 url_txeof(usbd_xfer_handle xfer, usbd_private_handle priv,
946 usbd_status status)
947 {
948 struct url_chain *c = priv;
949 struct url_softc *sc = c->url_sc;
950 struct ifnet *ifp = GET_IFP(sc);
951 int s;
952
953 if (sc->sc_dying)
954 return;
955
956 s = splnet();
957
958 DPRINTF(("%s: %s: enter\n", USBDEVNAME(sc->sc_dev), __func__));
959
960 ifp->if_timer = 0;
961 ifp->if_flags &= ~IFF_OACTIVE;
962
963 if (status != USBD_NORMAL_COMPLETION) {
964 if (status == USBD_NOT_STARTED || status == USBD_CANCELLED) {
965 splx(s);
966 return;
967 }
968 ifp->if_oerrors++;
969 printf("%s: usb error on tx: %s\n", USBDEVNAME(sc->sc_dev),
970 usbd_errstr(status));
971 if (status == USBD_STALLED) {
972 sc->sc_refcnt++;
973 usbd_clear_endpoint_stall_async(sc->sc_pipe_tx);
974 if (--sc->sc_refcnt < 0)
975 usb_detach_wakeup(USBDEV(sc->sc_dev));
976 }
977 splx(s);
978 return;
979 }
980
981 ifp->if_opackets++;
982
983 m_freem(c->url_mbuf);
984 c->url_mbuf = NULL;
985
986 if (IFQ_IS_EMPTY(&ifp->if_snd) == 0)
987 url_start(ifp);
988
989 splx(s);
990 }
991
992 Static void
993 url_rxeof(usbd_xfer_handle xfer, usbd_private_handle priv, usbd_status status)
994 {
995 struct url_chain *c = priv;
996 struct url_softc *sc = c->url_sc;
997 struct ifnet *ifp = GET_IFP(sc);
998 struct mbuf *m;
999 u_int32_t total_len;
1000 url_rxhdr_t rxhdr;
1001 int s;
1002
1003 DPRINTF(("%s: %s: enter\n", USBDEVNAME(sc->sc_dev),__func__));
1004
1005 if (sc->sc_dying)
1006 return;
1007
1008 if (status != USBD_NORMAL_COMPLETION) {
1009 if (status == USBD_NOT_STARTED || status == USBD_CANCELLED)
1010 return;
1011 sc->sc_rx_errs++;
1012 if (usbd_ratecheck(&sc->sc_rx_notice)) {
1013 printf("%s: %u usb errors on rx: %s\n",
1014 USBDEVNAME(sc->sc_dev), sc->sc_rx_errs,
1015 usbd_errstr(status));
1016 sc->sc_rx_errs = 0;
1017 }
1018 if (status == USBD_STALLED) {
1019 sc->sc_refcnt++;
1020 usbd_clear_endpoint_stall_async(sc->sc_pipe_rx);
1021 if (--sc->sc_refcnt < 0)
1022 usb_detach_wakeup(USBDEV(sc->sc_dev));
1023 }
1024 goto done;
1025 }
1026
1027 usbd_get_xfer_status(xfer, NULL, NULL, &total_len, NULL);
1028
1029 memcpy(mtod(c->url_mbuf, char *), c->url_buf, total_len);
1030
1031 if (total_len <= ETHER_CRC_LEN) {
1032 ifp->if_ierrors++;
1033 goto done;
1034 }
1035
1036 memcpy(&rxhdr, c->url_buf + total_len - ETHER_CRC_LEN, sizeof(rxhdr));
1037
1038 DPRINTF(("%s: RX Status: %dbytes%s%s%s%s packets\n",
1039 USBDEVNAME(sc->sc_dev),
1040 UGETW(rxhdr) & URL_RXHDR_BYTEC_MASK,
1041 UGETW(rxhdr) & URL_RXHDR_VALID_MASK ? ", Valid" : "",
1042 UGETW(rxhdr) & URL_RXHDR_RUNTPKT_MASK ? ", Runt" : "",
1043 UGETW(rxhdr) & URL_RXHDR_PHYPKT_MASK ? ", Physical match" : "",
1044 UGETW(rxhdr) & URL_RXHDR_MCASTPKT_MASK ? ", Multicast" : ""));
1045
1046 if ((UGETW(rxhdr) & URL_RXHDR_VALID_MASK) == 0) {
1047 ifp->if_ierrors++;
1048 goto done;
1049 }
1050
1051 ifp->if_ipackets++;
1052 total_len -= ETHER_CRC_LEN;
1053
1054 m = c->url_mbuf;
1055 m->m_pkthdr.len = m->m_len = total_len;
1056 m->m_pkthdr.rcvif = ifp;
1057
1058 s = splnet();
1059
1060 if (url_newbuf(sc, c, NULL) == ENOBUFS) {
1061 ifp->if_ierrors++;
1062 goto done1;
1063 }
1064
1065 #if NBPFILTER > 0
1066 if (ifp->if_bpf)
1067 BPF_MTAP(ifp, m);
1068 #endif
1069
1070 DPRINTF(("%s: %s: deliver %d\n", USBDEVNAME(sc->sc_dev),
1071 __func__, m->m_len));
1072 IF_INPUT(ifp, m);
1073
1074 done1:
1075 splx(s);
1076
1077 done:
1078 /* Setup new transfer */
1079 usbd_setup_xfer(xfer, sc->sc_pipe_rx, c, c->url_buf, URL_BUFSZ,
1080 USBD_SHORT_XFER_OK | USBD_NO_COPY,
1081 USBD_NO_TIMEOUT, url_rxeof);
1082 sc->sc_refcnt++;
1083 usbd_transfer(xfer);
1084 if (--sc->sc_refcnt < 0)
1085 usb_detach_wakeup(USBDEV(sc->sc_dev));
1086
1087 DPRINTF(("%s: %s: start rx\n", USBDEVNAME(sc->sc_dev), __func__));
1088 }
1089
1090 #if 0
1091 Static void url_intr(void)
1092 {
1093 }
1094 #endif
1095
1096 Static int
1097 url_ioctl(struct ifnet *ifp, u_long cmd, void *data)
1098 {
1099 struct url_softc *sc = ifp->if_softc;
1100 int s, error = 0;
1101
1102 DPRINTF(("%s: %s: enter\n", USBDEVNAME(sc->sc_dev), __func__));
1103
1104 if (sc->sc_dying)
1105 return (EIO);
1106
1107 s = splnet();
1108
1109 error = ether_ioctl(ifp, cmd, data);
1110 if (error == ENETRESET) {
1111 if (ifp->if_flags & IFF_RUNNING)
1112 url_setmulti(sc);
1113 error = 0;
1114 }
1115
1116 splx(s);
1117
1118 return (error);
1119 }
1120
1121 Static void
1122 url_watchdog(struct ifnet *ifp)
1123 {
1124 struct url_softc *sc = ifp->if_softc;
1125 struct url_chain *c;
1126 usbd_status stat;
1127 int s;
1128
1129 DPRINTF(("%s: %s: enter\n", USBDEVNAME(sc->sc_dev), __func__));
1130
1131 ifp->if_oerrors++;
1132 printf("%s: watchdog timeout\n", USBDEVNAME(sc->sc_dev));
1133
1134 s = splusb();
1135 c = &sc->sc_cdata.url_tx_chain[0];
1136 usbd_get_xfer_status(c->url_xfer, NULL, NULL, NULL, &stat);
1137 url_txeof(c->url_xfer, c, stat);
1138
1139 if (IFQ_IS_EMPTY(&ifp->if_snd) == 0)
1140 url_start(ifp);
1141 splx(s);
1142 }
1143
1144 Static void
1145 url_stop_task(struct url_softc *sc)
1146 {
1147 url_stop(GET_IFP(sc), 1);
1148 }
1149
1150 /* Stop the adapter and free any mbufs allocated to the RX and TX lists. */
1151 Static void
1152 url_stop(struct ifnet *ifp, int disable)
1153 {
1154 struct url_softc *sc = ifp->if_softc;
1155 usbd_status err;
1156 int i;
1157
1158 DPRINTF(("%s: %s: enter\n", USBDEVNAME(sc->sc_dev), __func__));
1159
1160 ifp->if_timer = 0;
1161
1162 url_reset(sc);
1163
1164 usb_uncallout(sc->sc_stat_ch, url_tick, sc);
1165
1166 /* Stop transfers */
1167 /* RX endpoint */
1168 if (sc->sc_pipe_rx != NULL) {
1169 err = usbd_abort_pipe(sc->sc_pipe_rx);
1170 if (err)
1171 printf("%s: abort rx pipe failed: %s\n",
1172 USBDEVNAME(sc->sc_dev), usbd_errstr(err));
1173 err = usbd_close_pipe(sc->sc_pipe_rx);
1174 if (err)
1175 printf("%s: close rx pipe failed: %s\n",
1176 USBDEVNAME(sc->sc_dev), usbd_errstr(err));
1177 sc->sc_pipe_rx = NULL;
1178 }
1179
1180 /* TX endpoint */
1181 if (sc->sc_pipe_tx != NULL) {
1182 err = usbd_abort_pipe(sc->sc_pipe_tx);
1183 if (err)
1184 printf("%s: abort tx pipe failed: %s\n",
1185 USBDEVNAME(sc->sc_dev), usbd_errstr(err));
1186 err = usbd_close_pipe(sc->sc_pipe_tx);
1187 if (err)
1188 printf("%s: close tx pipe failed: %s\n",
1189 USBDEVNAME(sc->sc_dev), usbd_errstr(err));
1190 sc->sc_pipe_tx = NULL;
1191 }
1192
1193 #if 0
1194 /* XXX: Interrupt endpoint is not yet supported!! */
1195 /* Interrupt endpoint */
1196 if (sc->sc_pipe_intr != NULL) {
1197 err = usbd_abort_pipe(sc->sc_pipe_intr);
1198 if (err)
1199 printf("%s: abort intr pipe failed: %s\n",
1200 USBDEVNAME(sc->sc_dev), usbd_errstr(err));
1201 err = usbd_close_pipe(sc->sc_pipe_intr);
1202 if (err)
1203 printf("%s: close intr pipe failed: %s\n",
1204 USBDEVNAME(sc->sc_dev), usbd_errstr(err));
1205 sc->sc_pipe_intr = NULL;
1206 }
1207 #endif
1208
1209 /* Free RX resources. */
1210 for (i = 0; i < URL_RX_LIST_CNT; i++) {
1211 if (sc->sc_cdata.url_rx_chain[i].url_mbuf != NULL) {
1212 m_freem(sc->sc_cdata.url_rx_chain[i].url_mbuf);
1213 sc->sc_cdata.url_rx_chain[i].url_mbuf = NULL;
1214 }
1215 if (sc->sc_cdata.url_rx_chain[i].url_xfer != NULL) {
1216 usbd_free_xfer(sc->sc_cdata.url_rx_chain[i].url_xfer);
1217 sc->sc_cdata.url_rx_chain[i].url_xfer = NULL;
1218 }
1219 }
1220
1221 /* Free TX resources. */
1222 for (i = 0; i < URL_TX_LIST_CNT; i++) {
1223 if (sc->sc_cdata.url_tx_chain[i].url_mbuf != NULL) {
1224 m_freem(sc->sc_cdata.url_tx_chain[i].url_mbuf);
1225 sc->sc_cdata.url_tx_chain[i].url_mbuf = NULL;
1226 }
1227 if (sc->sc_cdata.url_tx_chain[i].url_xfer != NULL) {
1228 usbd_free_xfer(sc->sc_cdata.url_tx_chain[i].url_xfer);
1229 sc->sc_cdata.url_tx_chain[i].url_xfer = NULL;
1230 }
1231 }
1232
1233 sc->sc_link = 0;
1234 ifp->if_flags &= ~(IFF_RUNNING | IFF_OACTIVE);
1235 }
1236
1237 /* Set media options */
1238 Static int
1239 url_ifmedia_change(struct ifnet *ifp)
1240 {
1241 struct url_softc *sc = ifp->if_softc;
1242 struct mii_data *mii = GET_MII(sc);
1243 int rc;
1244
1245 DPRINTF(("%s: %s: enter\n", USBDEVNAME(sc->sc_dev), __func__));
1246
1247 if (sc->sc_dying)
1248 return (0);
1249
1250 sc->sc_link = 0;
1251 if ((rc = mii_mediachg(mii)) == ENXIO)
1252 return 0;
1253 return rc;
1254 }
1255
1256 /* Report current media status. */
1257 Static void
1258 url_ifmedia_status(struct ifnet *ifp, struct ifmediareq *ifmr)
1259 {
1260 struct url_softc *sc = ifp->if_softc;
1261
1262 DPRINTF(("%s: %s: enter\n", USBDEVNAME(sc->sc_dev), __func__));
1263
1264 if (sc->sc_dying)
1265 return;
1266
1267 ether_mediastatus(ifp, ifmr);
1268 }
1269
1270 Static void
1271 url_tick(void *xsc)
1272 {
1273 struct url_softc *sc = xsc;
1274
1275 if (sc == NULL)
1276 return;
1277
1278 DPRINTFN(0xff, ("%s: %s: enter\n", USBDEVNAME(sc->sc_dev),
1279 __func__));
1280
1281 if (sc->sc_dying)
1282 return;
1283
1284 /* Perform periodic stuff in process context */
1285 usb_add_task(sc->sc_udev, &sc->sc_tick_task, USB_TASKQ_DRIVER);
1286 }
1287
1288 Static void
1289 url_tick_task(void *xsc)
1290 {
1291 struct url_softc *sc = xsc;
1292 struct ifnet *ifp;
1293 struct mii_data *mii;
1294 int s;
1295
1296 if (sc == NULL)
1297 return;
1298
1299 DPRINTFN(0xff, ("%s: %s: enter\n", USBDEVNAME(sc->sc_dev),
1300 __func__));
1301
1302 if (sc->sc_dying)
1303 return;
1304
1305 ifp = GET_IFP(sc);
1306 mii = GET_MII(sc);
1307
1308 if (mii == NULL)
1309 return;
1310
1311 s = splnet();
1312
1313 mii_tick(mii);
1314 if (!sc->sc_link) {
1315 mii_pollstat(mii);
1316 if (mii->mii_media_status & IFM_ACTIVE &&
1317 IFM_SUBTYPE(mii->mii_media_active) != IFM_NONE) {
1318 DPRINTF(("%s: %s: got link\n",
1319 USBDEVNAME(sc->sc_dev), __func__));
1320 sc->sc_link++;
1321 if (IFQ_IS_EMPTY(&ifp->if_snd) == 0)
1322 url_start(ifp);
1323 }
1324 }
1325
1326 usb_callout(sc->sc_stat_ch, hz, url_tick, sc);
1327
1328 splx(s);
1329 }
1330
1331 /* Get exclusive access to the MII registers */
1332 Static void
1333 url_lock_mii(struct url_softc *sc)
1334 {
1335 DPRINTFN(0xff, ("%s: %s: enter\n", USBDEVNAME(sc->sc_dev),
1336 __func__));
1337
1338 sc->sc_refcnt++;
1339 rw_enter(&sc->sc_mii_rwlock, RW_WRITER);
1340 }
1341
1342 Static void
1343 url_unlock_mii(struct url_softc *sc)
1344 {
1345 DPRINTFN(0xff, ("%s: %s: enter\n", USBDEVNAME(sc->sc_dev),
1346 __func__));
1347
1348 rw_exit(&sc->sc_mii_rwlock);
1349 if (--sc->sc_refcnt < 0)
1350 usb_detach_wakeup(USBDEV(sc->sc_dev));
1351 }
1352
1353 Static int
1354 url_int_miibus_readreg(device_ptr_t dev, int phy, int reg)
1355 {
1356 struct url_softc *sc;
1357 u_int16_t val;
1358
1359 if (dev == NULL)
1360 return (0);
1361
1362 sc = USBGETSOFTC(dev);
1363
1364 DPRINTFN(0xff, ("%s: %s: enter, phy=%d reg=0x%04x\n",
1365 USBDEVNAME(sc->sc_dev), __func__, phy, reg));
1366
1367 if (sc->sc_dying) {
1368 #ifdef DIAGNOSTIC
1369 printf("%s: %s: dying\n", USBDEVNAME(sc->sc_dev),
1370 __func__);
1371 #endif
1372 return (0);
1373 }
1374
1375 /* XXX: one PHY only for the RTL8150 internal PHY */
1376 if (phy != 0) {
1377 DPRINTFN(0xff, ("%s: %s: phy=%d is not supported\n",
1378 USBDEVNAME(sc->sc_dev), __func__, phy));
1379 return (0);
1380 }
1381
1382 url_lock_mii(sc);
1383
1384 switch (reg) {
1385 case MII_BMCR: /* Control Register */
1386 reg = URL_BMCR;
1387 break;
1388 case MII_BMSR: /* Status Register */
1389 reg = URL_BMSR;
1390 break;
1391 case MII_PHYIDR1:
1392 case MII_PHYIDR2:
1393 val = 0;
1394 goto R_DONE;
1395 break;
1396 case MII_ANAR: /* Autonegotiation advertisement */
1397 reg = URL_ANAR;
1398 break;
1399 case MII_ANLPAR: /* Autonegotiation link partner abilities */
1400 reg = URL_ANLP;
1401 break;
1402 case URLPHY_MSR: /* Media Status Register */
1403 reg = URL_MSR;
1404 break;
1405 default:
1406 printf("%s: %s: bad register %04x\n",
1407 USBDEVNAME(sc->sc_dev), __func__, reg);
1408 val = 0;
1409 goto R_DONE;
1410 break;
1411 }
1412
1413 if (reg == URL_MSR)
1414 val = url_csr_read_1(sc, reg);
1415 else
1416 val = url_csr_read_2(sc, reg);
1417
1418 R_DONE:
1419 DPRINTFN(0xff, ("%s: %s: phy=%d reg=0x%04x => 0x%04x\n",
1420 USBDEVNAME(sc->sc_dev), __func__, phy, reg, val));
1421
1422 url_unlock_mii(sc);
1423 return (val);
1424 }
1425
1426 Static void
1427 url_int_miibus_writereg(device_ptr_t dev, int phy, int reg, int data)
1428 {
1429 struct url_softc *sc;
1430
1431 if (dev == NULL)
1432 return;
1433
1434 sc = USBGETSOFTC(dev);
1435
1436 DPRINTFN(0xff, ("%s: %s: enter, phy=%d reg=0x%04x data=0x%04x\n",
1437 USBDEVNAME(sc->sc_dev), __func__, phy, reg, data));
1438
1439 if (sc->sc_dying) {
1440 #ifdef DIAGNOSTIC
1441 printf("%s: %s: dying\n", USBDEVNAME(sc->sc_dev),
1442 __func__);
1443 #endif
1444 return;
1445 }
1446
1447 /* XXX: one PHY only for the RTL8150 internal PHY */
1448 if (phy != 0) {
1449 DPRINTFN(0xff, ("%s: %s: phy=%d is not supported\n",
1450 USBDEVNAME(sc->sc_dev), __func__, phy));
1451 return;
1452 }
1453
1454 url_lock_mii(sc);
1455
1456 switch (reg) {
1457 case MII_BMCR: /* Control Register */
1458 reg = URL_BMCR;
1459 break;
1460 case MII_BMSR: /* Status Register */
1461 reg = URL_BMSR;
1462 break;
1463 case MII_PHYIDR1:
1464 case MII_PHYIDR2:
1465 goto W_DONE;
1466 break;
1467 case MII_ANAR: /* Autonegotiation advertisement */
1468 reg = URL_ANAR;
1469 break;
1470 case MII_ANLPAR: /* Autonegotiation link partner abilities */
1471 reg = URL_ANLP;
1472 break;
1473 case URLPHY_MSR: /* Media Status Register */
1474 reg = URL_MSR;
1475 break;
1476 default:
1477 printf("%s: %s: bad register %04x\n",
1478 USBDEVNAME(sc->sc_dev), __func__, reg);
1479 goto W_DONE;
1480 break;
1481 }
1482
1483 if (reg == URL_MSR)
1484 url_csr_write_1(sc, reg, data);
1485 else
1486 url_csr_write_2(sc, reg, data);
1487 W_DONE:
1488
1489 url_unlock_mii(sc);
1490 return;
1491 }
1492
1493 Static void
1494 url_miibus_statchg(device_ptr_t dev)
1495 {
1496 #ifdef URL_DEBUG
1497 struct url_softc *sc;
1498
1499 if (dev == NULL)
1500 return;
1501
1502 sc = USBGETSOFTC(dev);
1503 DPRINTF(("%s: %s: enter\n", USBDEVNAME(sc->sc_dev), __func__));
1504 #endif
1505 /* Nothing to do */
1506 }
1507
1508 #if 0
1509 /*
1510 * external PHYs support, but not test.
1511 */
1512 Static int
1513 url_ext_miibus_redreg(device_ptr_t dev, int phy, int reg)
1514 {
1515 struct url_softc *sc = USBGETSOFTC(dev);
1516 u_int16_t val;
1517
1518 DPRINTF(("%s: %s: enter, phy=%d reg=0x%04x\n",
1519 USBDEVNAME(sc->sc_dev), __func__, phy, reg));
1520
1521 if (sc->sc_dying) {
1522 #ifdef DIAGNOSTIC
1523 printf("%s: %s: dying\n", USBDEVNAME(sc->sc_dev),
1524 __func__);
1525 #endif
1526 return (0);
1527 }
1528
1529 url_lock_mii(sc);
1530
1531 url_csr_write_1(sc, URL_PHYADD, phy & URL_PHYADD_MASK);
1532 /*
1533 * RTL8150L will initiate a MII management data transaction
1534 * if PHYCNT_OWN bit is set 1 by software. After transaction,
1535 * this bit is auto cleared by TRL8150L.
1536 */
1537 url_csr_write_1(sc, URL_PHYCNT,
1538 (reg | URL_PHYCNT_PHYOWN) & ~URL_PHYCNT_RWCR);
1539 for (i = 0; i < URL_TIMEOUT; i++) {
1540 if ((url_csr_read_1(sc, URL_PHYCNT) & URL_PHYCNT_PHYOWN) == 0)
1541 break;
1542 }
1543 if (i == URL_TIMEOUT) {
1544 printf("%s: MII read timed out\n", USBDEVNAME(sc->sc_dev));
1545 }
1546
1547 val = url_csr_read_2(sc, URL_PHYDAT);
1548
1549 DPRINTF(("%s: %s: phy=%d reg=0x%04x => 0x%04x\n",
1550 USBDEVNAME(sc->sc_dev), __func__, phy, reg, val));
1551
1552 url_unlock_mii(sc);
1553 return (val);
1554 }
1555
1556 Static void
1557 url_ext_miibus_writereg(device_ptr_t dev, int phy, int reg, int data)
1558 {
1559 struct url_softc *sc = USBGETSOFTC(dev);
1560
1561 DPRINTF(("%s: %s: enter, phy=%d reg=0x%04x data=0x%04x\n",
1562 USBDEVNAME(sc->sc_dev), __func__, phy, reg, data));
1563
1564 if (sc->sc_dying) {
1565 #ifdef DIAGNOSTIC
1566 printf("%s: %s: dying\n", USBDEVNAME(sc->sc_dev),
1567 __func__);
1568 #endif
1569 return;
1570 }
1571
1572 url_lock_mii(sc);
1573
1574 url_csr_write_2(sc, URL_PHYDAT, data);
1575 url_csr_write_1(sc, URL_PHYADD, phy);
1576 url_csr_write_1(sc, URL_PHYCNT, reg | URL_PHYCNT_RWCR); /* Write */
1577
1578 for (i=0; i < URL_TIMEOUT; i++) {
1579 if (url_csr_read_1(sc, URL_PHYCNT) & URL_PHYCNT_PHYOWN)
1580 break;
1581 }
1582
1583 if (i == URL_TIMEOUT) {
1584 printf("%s: MII write timed out\n",
1585 USBDEVNAME(sc->sc_dev));
1586 }
1587
1588 url_unlock_mii(sc);
1589 return;
1590 }
1591 #endif
1592
NetBSD on the FriendlyARM MINI2440