if_url.c revision 1.1 1 /* $NetBSD: if_url.c,v 1.1 2002/03/28 21:09:11 ichiro Exp $ */
2 /*
3 * Copyright (c) 2001, 2002
4 * Shingo WATANABE <nabe (at) 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. All advertising materials mentioning features or use of this software
15 * must display the following acknowledgement:
16 * This product includes software developed by Shingo WATANABE.
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 THE AUTHOR 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 THE AUTHOR OR CONTRIBUTORS BE LIABLE
25 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
26 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
27 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
28 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
29 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
30 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
31 * SUCH DAMAGE.
32 *
33 */
34
35 /*
36 * The RTL8150L(Realtek USB to fast ethernet controller) spec can be found at
37 * ftp://ftp.realtek.com.tw/lancard/data_sheet/8150/8150v14.pdf
38 * ftp://152.104.125.40/lancard/data_sheet/8150/8150v14.pdf
39 */
40
41 /*
42 * TODO:
43 * Interrupt Endpoint support
44 * External PHYs
45 * powerhook() support?
46 */
47
48 #include <sys/cdefs.h>
49 __KERNEL_RCSID(0, "$NetBSD: if_url.c,v 1.1 2002/03/28 21:09:11 ichiro Exp $");
50
51 #include "opt_inet.h"
52 #include "opt_ns.h"
53 #include "bpfilter.h"
54 #include "rnd.h"
55
56 #include <sys/param.h>
57 #include <sys/systm.h>
58 #include <sys/lock.h>
59 #include <sys/mbuf.h>
60 #include <sys/kernel.h>
61 #include <sys/socket.h>
62
63 #include <sys/device.h>
64 #if NRND > 0
65 #include <sys/rnd.h>
66 #endif
67
68 #include <net/if.h>
69 #include <net/if_arp.h>
70 #include <net/if_dl.h>
71 #include <net/if_media.h>
72
73 #if NBPFILTER > 0
74 #include <net/bpf.h>
75 #endif
76 #define BPF_MTAP(ifp, m) bpf_mtap((ifp)->if_bpf, (m))
77
78 #include <net/if_ether.h>
79 #ifdef INET
80 #include <netinet/in.h>
81 #include <netinet/if_inarp.h>
82 #endif
83 #ifdef NS
84 #include <netns/ns.h>
85 #include <netns/ns_if.h>
86 #endif
87
88 #include <dev/mii/mii.h>
89 #include <dev/mii/miivar.h>
90 #include <dev/mii/urlphyreg.h>
91
92 #include <dev/usb/usb.h>
93 #include <dev/usb/usbdi.h>
94 #include <dev/usb/usbdi_util.h>
95 #include <dev/usb/usbdevs.h>
96
97 #include <dev/usb/if_urlreg.h>
98
99
100 /* Function declarations */
101 USB_DECLARE_DRIVER(url);
102
103 Static int url_openpipes(struct url_softc *);
104 Static int url_rx_list_init(struct url_softc *);
105 Static int url_tx_list_init(struct url_softc *);
106 Static int url_newbuf(struct url_softc *, struct url_chain *, struct mbuf *);
107 Static void url_start(struct ifnet *);
108 Static int url_send(struct url_softc *, struct mbuf *, int);
109 Static void url_txeof(usbd_xfer_handle, usbd_private_handle, usbd_status);
110 Static void url_rxeof(usbd_xfer_handle, usbd_private_handle, usbd_status);
111 Static void url_tick(void *);
112 Static void url_tick_task(void *);
113 Static int url_ioctl(struct ifnet *, u_long, caddr_t);
114 Static void url_stop_task(struct url_softc *);
115 Static void url_stop(struct ifnet *, int);
116 Static void url_watchdog(struct ifnet *);
117 Static int url_ifmedia_change(struct ifnet *);
118 Static void url_ifmedia_status(struct ifnet *, struct ifmediareq *);
119 Static void url_lock_mii(struct url_softc *);
120 Static void url_unlock_mii(struct url_softc *);
121 Static int url_int_miibus_readreg(device_ptr_t, int, int);
122 Static void url_int_miibus_writereg(device_ptr_t, int, int, int);
123 Static void url_miibus_statchg(device_ptr_t);
124 Static int url_init(struct ifnet *);
125 Static void url_setmulti(struct url_softc *);
126 Static void url_reset(struct url_softc *);
127
128 Static int url_csr_read_1(struct url_softc *, int);
129 Static int url_csr_read_2(struct url_softc *, int);
130 Static int url_csr_write_1(struct url_softc *, int, int);
131 Static int url_csr_write_2(struct url_softc *, int, int);
132 Static int url_csr_write_4(struct url_softc *, int, int);
133 Static int url_mem(struct url_softc *, int, int, void *, int);
134
135 /* Macros */
136 #define URL_DEBUG 0
137 #ifdef URL_DEBUG
138 #define DPRINTF(x) if (urldebug) printf x
139 #define DPRINTFN(n,x) if (urldebug>(n)) printf x
140 int urldebug = URL_DEBUG;
141 #else
142 #define DPRINTF(x)
143 #define DPRINTFN(n,x)
144 #endif
145
146 #define URL_SETBIT(sc, reg, x) \
147 url_csr_write_1(sc, reg, url_csr_read_1(sc, reg) | (x))
148
149 #define URL_SETBIT2(sc, reg, x) \
150 url_csr_write_2(sc, reg, url_csr_read_2(sc, reg) | (x))
151
152
153 #define URL_CLRBIT(sc, reg, x) \
154 url_csr_write_1(sc, reg, url_csr_read_1(sc, reg) & ~(x))
155
156 #define URL_CLRBIT2(sc, reg, x) \
157 url_csr_write_2(sc, reg, url_csr_read_2(sc, reg) & ~(x))
158
159 static const struct url_type {
160 struct usb_devno url_dev;
161 u_int16_t url_flags;
162 #define URL_EXT_PHY 0x0001
163 } url_devs [] = {
164 /* MELCO LUA-KTX */
165 {{ USB_VENDOR_MELCO, USB_PRODUCT_MELCO_LUAKTX }, 0},
166 /* GREEN HOUSE USBKR100 */
167 {{ USB_VENDOR_GREENHOUSE2, USB_PRODUCT_GREENHOUSE2_USBKR100}, 0}
168 };
169 #define url_lookup(v, p) ((struct url_type *)usb_lookup(url_devs, v, p))
170
171
172 /* Probe */
173 USB_MATCH(url)
174 {
175 USB_MATCH_START(url, uaa);
176
177 if (uaa->iface != NULL)
178 return (UMATCH_NONE);
179
180 return (url_lookup(uaa->vendor, uaa->product) != NULL ?
181 UMATCH_VENDOR_PRODUCT : UMATCH_NONE);
182 }
183 /* Attach */
184 USB_ATTACH(url)
185 {
186 USB_ATTACH_START(url, sc, uaa);
187 usbd_device_handle dev = uaa->device;
188 usbd_interface_handle iface;
189 usbd_status err;
190 usb_interface_descriptor_t *id;
191 usb_endpoint_descriptor_t *ed;
192 char devinfo[1024];
193 char *devname = USBDEVNAME(sc->sc_dev);
194 struct ifnet *ifp;
195 struct mii_data *mii;
196 u_char eaddr[ETHER_ADDR_LEN];
197 int i, s;
198
199 usbd_devinfo(dev, 0, devinfo);
200 USB_ATTACH_SETUP;
201 printf("%s: %s\n", devname, devinfo);
202
203 /* Move the device into the configured state. */
204 err = usbd_set_config_no(dev, URL_CONFIG_NO, 1);
205 if (err) {
206 printf("%s: setting config no failed\n", devname);
207 goto bad;
208 }
209
210 usb_init_task(&sc->sc_tick_task, url_tick_task, sc);
211 lockinit(&sc->sc_mii_lock, PZERO, "urlmii", 0, 0);
212 usb_init_task(&sc->sc_stop_task, (void (*)(void *)) url_stop_task, sc);
213
214 /* get control interface */
215 err = usbd_device2interface_handle(dev, URL_IFACE_INDEX, &iface);
216 if (err) {
217 printf("%s: failed to get interface, err=%s\n", devname,
218 usbd_errstr(err));
219 goto bad;
220 }
221
222 sc->sc_udev = dev;
223 sc->sc_ctl_iface = iface;
224 sc->sc_flags = url_lookup(uaa->vendor, uaa->product)->url_flags;
225
226 /* get interface descriptor */
227 id = usbd_get_interface_descriptor(sc->sc_ctl_iface);
228
229 /* find endpoints */
230 sc->sc_bulkin_no = sc->sc_bulkout_no = sc->sc_intrin_no = -1;
231 for (i = 0; i < id->bNumEndpoints; i++) {
232 ed = usbd_interface2endpoint_descriptor(sc->sc_ctl_iface, i);
233 if (ed == NULL) {
234 printf("%s: couldn't get endpoint %d\n", devname, i);
235 goto bad;
236 }
237 if ((ed->bmAttributes & UE_XFERTYPE) == UE_BULK &&
238 UE_GET_DIR(ed->bEndpointAddress) == UE_DIR_IN)
239 sc->sc_bulkin_no = ed->bEndpointAddress; /* RX */
240 else if ((ed->bmAttributes & UE_XFERTYPE) == UE_BULK &&
241 UE_GET_DIR(ed->bEndpointAddress) == UE_DIR_OUT)
242 sc->sc_bulkout_no = ed->bEndpointAddress; /* TX */
243 else if ((ed->bmAttributes & UE_XFERTYPE) == UE_INTERRUPT &&
244 UE_GET_DIR(ed->bEndpointAddress) == UE_DIR_IN)
245 sc->sc_intrin_no = ed->bEndpointAddress; /* Status */
246 }
247
248 if (sc->sc_bulkin_no == -1 || sc->sc_bulkout_no == -1 ||
249 sc->sc_intrin_no == -1) {
250 printf("%s: missing endpoint\n", devname);
251 goto bad;
252 }
253
254 s = splnet();
255
256 /* reset the adapter */
257 url_reset(sc);
258
259 /* Get Ethernet Address */
260 err = url_mem(sc, URL_CMD_READMEM, URL_IDR0, (void *)eaddr,
261 ETHER_ADDR_LEN);
262 if (err) {
263 printf("%s: read MAC address faild\n", devname);
264 splx(s);
265 goto bad;
266 }
267
268 /* Print Ethernet Address */
269 printf("%s: Ethernet address %s\n", devname, ether_sprintf(eaddr));
270
271 /* initialize interface infomation */
272 ifp = GET_IFP(sc);
273 ifp->if_softc = sc;
274 strncpy(ifp->if_xname, devname, IFNAMSIZ);
275 ifp->if_flags = IFF_BROADCAST | IFF_SIMPLEX | IFF_MULTICAST;
276 ifp->if_start = url_start;
277 ifp->if_ioctl = url_ioctl;
278 ifp->if_watchdog = url_watchdog;
279 ifp->if_init = url_init;
280 ifp->if_stop = url_stop;
281
282 IFQ_SET_READY(&ifp->if_snd);
283
284 /*
285 * Do ifmedia setup.
286 */
287 mii = &sc->sc_mii;
288 mii->mii_ifp = ifp;
289 mii->mii_readreg = url_int_miibus_readreg;
290 mii->mii_writereg = url_int_miibus_writereg;
291 #if 0
292 if (sc->sc_flags & URL_EXT_PHY) {
293 mii->mii_readreg = url_ext_miibus_readreg;
294 mii->mii_writereg = url_ext_miibus_writereg;
295 }
296 #endif
297 mii->mii_statchg = url_miibus_statchg;
298 mii->mii_flags = MIIF_AUTOTSLEEP;
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, devname, RND_TYPE_NET, 0);
314 #endif
315
316 usb_callout_init(sc->sc_stat_ch);
317 sc->sc_attached = 1;
318 splx(s);
319
320 usbd_add_drv_event(USB_EVENT_DRIVER_ATTACH, dev, USBDEV(sc->sc_dev));
321
322 USB_ATTACH_SUCCESS_RETURN;
323
324 bad:
325 sc->sc_dying = 1;
326 USB_ATTACH_ERROR_RETURN;
327 }
328
329 /* detach */
330 USB_DETACH(url)
331 {
332 USB_DETACH_START(url, sc);
333 struct ifnet *ifp = GET_IFP(sc);
334 int s;
335
336 DPRINTF(("%s: %s: enter\n", USBDEVNAME(sc->sc_dev), __FUNCTION__));
337
338 /* Detached before attached finished */
339 if (!sc->sc_attached)
340 return (0);
341
342 usb_uncallout(sc->sc_stat_ch, url_tick, sc);
343
344 /* Remove any pending tasks */
345 usb_rem_task(sc->sc_udev, &sc->sc_tick_task);
346 usb_rem_task(sc->sc_udev, &sc->sc_stop_task);
347
348 s = splusb();
349
350 if (--sc->sc_refcnt >= 0) {
351 /* Wait for processes to go away */
352 usb_detach_wait(USBDEV(sc->sc_dev));
353 }
354
355 if (ifp->if_flags & IFF_RUNNING)
356 url_stop(GET_IFP(sc), 1);
357
358 #if NRND > 0
359 rnd_detach_source(&sc->rnd_source);
360 #endif
361 mii_detach(&sc->sc_mii, MII_PHY_ANY, MII_OFFSET_ANY);
362 ifmedia_delete_instance(&sc->sc_mii.mii_media, IFM_INST_ANY);
363 ether_ifdetach(ifp);
364 if_detach(ifp);
365
366 #ifdef DIAGNOSTIC
367 if (sc->sc_pipe_tx != NULL)
368 printf("%s: detach has active tx endpoint.\n",
369 USBDEVNAME(sc->sc_dev));
370 if (sc->sc_pipe_rx != NULL)
371 printf("%s: detach has active rx endpoint.\n",
372 USBDEVNAME(sc->sc_dev));
373 if (sc->sc_pipe_intr != NULL)
374 printf("%s: detach has active intr endpoint.\n",
375 USBDEVNAME(sc->sc_dev));
376 #endif
377
378 sc->sc_attached = 0;
379
380 splx(s);
381
382 usbd_add_drv_event(USB_EVENT_DRIVER_DETACH, sc->sc_udev,
383 USBDEV(sc->sc_dev));
384
385 return (0);
386 }
387
388 /* read/write memory */
389 Static int
390 url_mem(struct url_softc *sc, int cmd, int offset, void *buf, int len)
391 {
392 usb_device_request_t req;
393 usbd_status err;
394
395 if (sc == NULL)
396 return (0);
397
398 DPRINTFN(0x200,
399 ("%s: %s: enter\n", USBDEVNAME(sc->sc_dev), __FUNCTION__));
400
401 if (sc->sc_dying)
402 return (0);
403
404 if (cmd == URL_CMD_READMEM)
405 req.bmRequestType = UT_READ_VENDOR_DEVICE;
406 else
407 req.bmRequestType = UT_WRITE_VENDOR_DEVICE;
408 req.bRequest = URL_REQ_MEM;
409 USETW(req.wValue, offset);
410 USETW(req.wIndex, 0x0000);
411 USETW(req.wLength, len);
412
413 sc->sc_refcnt++;
414 err = usbd_do_request(sc->sc_udev, &req, buf);
415 if (--sc->sc_refcnt < 0)
416 usb_detach_wakeup(USBDEV(sc->sc_dev));
417 if (err) {
418 DPRINTF(("%s: url_mem(): %s failed. off=%04x, err=%d\n",
419 USBDEVNAME(sc->sc_dev),
420 cmd == URL_CMD_READMEM ? "read" : "write",
421 offset, err));
422 }
423
424 return (err);
425 }
426
427 /* read 1byte from register */
428 Static int
429 url_csr_read_1(struct url_softc *sc, int reg)
430 {
431 u_int8_t val = 0;
432
433 DPRINTFN(0x100,
434 ("%s: %s: enter\n", USBDEVNAME(sc->sc_dev), __FUNCTION__));
435
436 if (sc->sc_dying)
437 return (0);
438
439 return (url_mem(sc, URL_CMD_READMEM, reg, &val, 1) ? 0 : val);
440 }
441
442 /* read 2bytes from register */
443 Static int
444 url_csr_read_2(struct url_softc *sc, int reg)
445 {
446 uWord val;
447
448 DPRINTFN(0x100,
449 ("%s: %s: enter\n", USBDEVNAME(sc->sc_dev), __FUNCTION__));
450
451 if (sc->sc_dying)
452 return (0);
453
454 USETW(val, 0);
455 return (url_mem(sc, URL_CMD_READMEM, reg, &val, 2) ? 0 : UGETW(val));
456 }
457
458 /* write 1byte to register */
459 Static int
460 url_csr_write_1(struct url_softc *sc, int reg, int aval)
461 {
462 u_int8_t val = aval;
463
464 DPRINTFN(0x100,
465 ("%s: %s: enter\n", USBDEVNAME(sc->sc_dev), __FUNCTION__));
466
467 if (sc->sc_dying)
468 return (0);
469
470 return (url_mem(sc, URL_CMD_WRITEMEM, reg, &val, 1) ? -1 : 0);
471 }
472
473 /* write 2bytes to register */
474 Static int
475 url_csr_write_2(struct url_softc *sc, int reg, int aval)
476 {
477 uWord val;
478
479 DPRINTFN(0x100,
480 ("%s: %s: enter\n", USBDEVNAME(sc->sc_dev), __FUNCTION__));
481
482 USETW(val, aval);
483
484 if (sc->sc_dying)
485 return (0);
486
487 return (url_mem(sc, URL_CMD_WRITEMEM, reg, &val, 2) ? -1 : 0);
488 }
489
490 /* write 4bytes to register */
491 Static int
492 url_csr_write_4(struct url_softc *sc, int reg, int aval)
493 {
494 uDWord val;
495
496 DPRINTFN(0x100,
497 ("%s: %s: enter\n", USBDEVNAME(sc->sc_dev), __FUNCTION__));
498
499 USETDW(val, aval);
500
501 if (sc->sc_dying)
502 return (0);
503
504 return (url_mem(sc, URL_CMD_WRITEMEM, reg, &val, 4) ? -1 : 0);
505 }
506
507 Static int
508 url_init(struct ifnet *ifp)
509 {
510 struct url_softc *sc = ifp->if_softc;
511 struct mii_data *mii = GET_MII(sc);
512 u_char *eaddr;
513 int i, s;
514
515 DPRINTF(("%s: %s: enter\n", USBDEVNAME(sc->sc_dev), __FUNCTION__));
516
517 if (sc->sc_dying)
518 return (EIO);
519
520 s = splnet();
521
522 /* Cancel pending I/O and free all TX/RX buffers */
523 url_stop(ifp, 1);
524
525 eaddr = LLADDR(ifp->if_sadl);
526 for (i = 0; i < ETHER_ADDR_LEN; i++)
527 url_csr_write_1(sc, URL_IDR0 + i, eaddr[i]);
528
529 /* Init transmission control register */
530 URL_CLRBIT(sc, URL_TCR,
531 URL_TCR_TXRR1 | URL_TCR_TXRR0 |
532 URL_TCR_IFG1 | URL_TCR_IFG0 |
533 URL_TCR_NOCRC);
534
535 /* Init receive control register */
536 URL_SETBIT2(sc, URL_RCR, URL_RCR_TAIL | URL_RCR_AD);
537 if (ifp->if_flags & IFF_BROADCAST)
538 URL_SETBIT2(sc, URL_RCR, URL_RCR_AB);
539 else
540 URL_CLRBIT2(sc, URL_RCR, URL_RCR_AB);
541
542 /* If we want promiscuous mode, accept all physical frames. */
543 if (ifp->if_flags & IFF_PROMISC)
544 URL_SETBIT2(sc, URL_RCR, URL_RCR_AAM|URL_RCR_AAP);
545 else
546 URL_CLRBIT2(sc, URL_RCR, URL_RCR_AAM|URL_RCR_AAP);
547
548
549 /* Initialize transmit ring */
550 if (url_tx_list_init(sc) == ENOBUFS) {
551 printf("%s: tx list init failed\n", USBDEVNAME(sc->sc_dev));
552 splx(s);
553 return (EIO);
554 }
555
556 /* Initialize receive ring */
557 if (url_rx_list_init(sc) == ENOBUFS) {
558 printf("%s: rx list init failed\n", USBDEVNAME(sc->sc_dev));
559 splx(s);
560 return (EIO);
561 }
562
563 /* Load the multicast filter */
564 url_setmulti(sc);
565
566 /* Enable RX and TX */
567 URL_SETBIT(sc, URL_CR, URL_CR_TE | URL_CR_RE);
568
569 mii_mediachg(mii);
570
571 if (sc->sc_pipe_tx == NULL || sc->sc_pipe_rx == NULL) {
572 if (url_openpipes(sc)) {
573 splx(s);
574 return (EIO);
575 }
576 }
577
578 ifp->if_flags |= IFF_RUNNING;
579 ifp->if_flags &= ~IFF_OACTIVE;
580
581 splx(s);
582
583 usb_callout(sc->sc_stat_ch, hz, url_tick, sc);
584
585 return (0);
586 }
587
588 Static void
589 url_reset(struct url_softc *sc)
590 {
591 int i;
592
593 DPRINTF(("%s: %s: enter\n", USBDEVNAME(sc->sc_dev), __FUNCTION__));
594
595 if (sc->sc_dying)
596 return;
597
598 URL_SETBIT(sc, URL_CR, URL_CR_SOFT_RST);
599
600 for (i = 0; i < URL_TX_TIMEOUT; i++) {
601 if (!(url_csr_read_1(sc, URL_CR) & URL_CR_SOFT_RST))
602 break;
603 delay(10); /* XXX */
604 }
605
606 delay(10000); /* XXX */
607 }
608
609 int
610 url_activate(device_ptr_t self, enum devact act)
611 {
612 struct url_softc *sc = (struct url_softc *)self;
613
614 DPRINTF(("%s: %s: enter, act=%d\n", USBDEVNAME(sc->sc_dev),
615 __FUNCTION__, act));
616
617 switch (act) {
618 case DVACT_ACTIVATE:
619 return (EOPNOTSUPP);
620 break;
621
622 case DVACT_DEACTIVATE:
623 if_deactivate(&sc->sc_ec.ec_if);
624 sc->sc_dying = 1;
625 break;
626 }
627
628 return (0);
629 }
630
631 #define url_calchash(addr) (ether_crc32_be((addr), ETHER_ADDR_LEN) >> 26)
632
633
634 Static void
635 url_setmulti(struct url_softc *sc)
636 {
637 struct ifnet *ifp;
638 struct ether_multi *enm;
639 struct ether_multistep step;
640 u_int32_t hashes[2] = { 0, 0 };
641 int h = 0;
642 int mcnt = 0;
643
644 DPRINTF(("%s: %s: enter\n", USBDEVNAME(sc->sc_dev), __FUNCTION__));
645
646 if (sc->sc_dying)
647 return;
648
649 ifp = GET_IFP(sc);
650
651 if (ifp->if_flags & IFF_PROMISC) {
652 URL_SETBIT2(sc, URL_RCR, URL_RCR_AAM|URL_RCR_AAP);
653 return;
654 } else if (ifp->if_flags & IFF_ALLMULTI) {
655 allmulti:
656 ifp->if_flags |= IFF_ALLMULTI;
657 URL_SETBIT2(sc, URL_RCR, URL_RCR_AAM);
658 URL_CLRBIT2(sc, URL_RCR, URL_RCR_AAP);
659 return;
660 }
661
662 /* first, zot all the existing hash bits */
663 url_csr_write_4(sc, URL_MAR0, 0);
664 url_csr_write_4(sc, URL_MAR4, 0);
665
666 /* now program new ones */
667 ETHER_FIRST_MULTI(step, &sc->sc_ec, enm);
668 while (enm != NULL) {
669 if (memcmp(enm->enm_addrlo, enm->enm_addrhi,
670 ETHER_ADDR_LEN) != 0)
671 goto allmulti;
672
673 h = url_calchash(enm->enm_addrlo);
674 if (h < 32)
675 hashes[0] |= (1 << h);
676 else
677 hashes[1] |= (1 << (h -32));
678 mcnt++;
679 ETHER_NEXT_MULTI(step, enm);
680 }
681
682 ifp->if_flags &= ~IFF_ALLMULTI;
683
684 URL_CLRBIT2(sc, URL_RCR, URL_RCR_AAM|URL_RCR_AAP);
685
686 if (mcnt){
687 URL_SETBIT2(sc, URL_RCR, URL_RCR_AM);
688 } else {
689 URL_CLRBIT2(sc, URL_RCR, URL_RCR_AM);
690 }
691 url_csr_write_4(sc, URL_MAR0, hashes[0]);
692 url_csr_write_4(sc, URL_MAR4, hashes[1]);
693 }
694
695 Static int
696 url_openpipes(struct url_softc *sc)
697 {
698 struct url_chain *c;
699 usbd_status err;
700 int i;
701 int error = 0;
702
703 if (sc->sc_dying)
704 return (EIO);
705
706 sc->sc_refcnt++;
707
708 /* Open RX pipe */
709 err = usbd_open_pipe(sc->sc_ctl_iface, sc->sc_bulkin_no,
710 USBD_EXCLUSIVE_USE, &sc->sc_pipe_rx);
711 if (err) {
712 printf("%s: open rx pipe failed: %s\n",
713 USBDEVNAME(sc->sc_dev), usbd_errstr(err));
714 error = EIO;
715 goto done;
716 }
717
718 /* Open TX pipe */
719 err = usbd_open_pipe(sc->sc_ctl_iface, sc->sc_bulkout_no,
720 USBD_EXCLUSIVE_USE, &sc->sc_pipe_tx);
721 if (err) {
722 printf("%s: open tx pipe failed: %s\n",
723 USBDEVNAME(sc->sc_dev), usbd_errstr(err));
724 error = EIO;
725 goto done;
726 }
727
728 #if 0
729 /* XXX: interrupt endpoint is not yet supported */
730 /* Open Interrupt pipe */
731 err = usbd_open_pipe_intr(sc->sc_ctl_iface, sc->sc_intrin_no,
732 USBD_EXCLUSIVE_USE, &sc->sc_pipe_intr, sc,
733 &sc->sc_cdata.url_ibuf, URL_INTR_PKGLEN,
734 url_intr, URL_INTR_INTERVAL);
735 if (err) {
736 printf("%s: open intr pipe failed: %s\n",
737 USBDEVNAME(sc->sc_dev), usbd_errstr(err));
738 error = EIO;
739 goto done;
740 }
741 #endif
742
743
744 /* Start up the receive pipe. */
745 for (i = 0; i < URL_RX_LIST_CNT; i++) {
746 c = &sc->sc_cdata.url_rx_chain[i];
747 usbd_setup_xfer(c->url_xfer, sc->sc_pipe_rx,
748 c, c->url_buf, URL_BUFSZ,
749 USBD_SHORT_XFER_OK | USBD_NO_COPY,
750 USBD_NO_TIMEOUT, url_rxeof);
751 (void)usbd_transfer(c->url_xfer);
752 DPRINTF(("%s: %s: start read\n", USBDEVNAME(sc->sc_dev),
753 __FUNCTION__));
754 }
755
756 done:
757 if (--sc->sc_refcnt < 0)
758 usb_detach_wakeup(USBDEV(sc->sc_dev));
759
760 return (error);
761 }
762
763 Static int
764 url_newbuf(struct url_softc *sc, struct url_chain *c, struct mbuf *m)
765 {
766 struct mbuf *m_new = NULL;
767
768 DPRINTF(("%s: %s: enter\n", USBDEVNAME(sc->sc_dev), __FUNCTION__));
769
770 if (m == NULL) {
771 MGETHDR(m_new, M_DONTWAIT, MT_DATA);
772 if (m_new == NULL) {
773 printf("%s: no memory for rx list "
774 "-- packet dropped!\n", USBDEVNAME(sc->sc_dev));
775 return (ENOBUFS);
776 }
777 MCLGET(m_new, M_DONTWAIT);
778 if (!(m_new->m_flags & M_EXT)) {
779 printf("%s: no memory for rx list "
780 "-- packet dropped!\n", USBDEVNAME(sc->sc_dev));
781 m_freem(m_new);
782 return (ENOBUFS);
783 }
784 m_new->m_len = m_new->m_pkthdr.len = MCLBYTES;
785 } else {
786 m_new = m;
787 m_new->m_len = m_new->m_pkthdr.len = MCLBYTES;
788 m_new->m_data = m_new->m_ext.ext_buf;
789 }
790
791 m_adj(m_new, ETHER_ALIGN);
792 c->url_mbuf = m_new;
793
794 return (0);
795 }
796
797
798 Static int
799 url_rx_list_init(struct url_softc *sc)
800 {
801 struct url_cdata *cd;
802 struct url_chain *c;
803 int i;
804
805 DPRINTF(("%s: %s: enter\n", USBDEVNAME(sc->sc_dev), __FUNCTION__));
806
807 cd = &sc->sc_cdata;
808 for (i = 0; i < URL_RX_LIST_CNT; i++) {
809 c = &cd->url_rx_chain[i];
810 c->url_sc = sc;
811 c->url_idx = i;
812 if (url_newbuf(sc, c, NULL) == ENOBUFS)
813 return (ENOBUFS);
814 if (c->url_xfer == NULL) {
815 c->url_xfer = usbd_alloc_xfer(sc->sc_udev);
816 if (c->url_xfer == NULL)
817 return (ENOBUFS);
818 c->url_buf = usbd_alloc_buffer(c->url_xfer, URL_BUFSZ);
819 if (c->url_buf == NULL) {
820 usbd_free_xfer(c->url_xfer);
821 return (ENOBUFS);
822 }
823 }
824 }
825
826 return (0);
827 }
828
829 Static int
830 url_tx_list_init(struct url_softc *sc)
831 {
832 struct url_cdata *cd;
833 struct url_chain *c;
834 int i;
835
836 DPRINTF(("%s: %s: enter\n", USBDEVNAME(sc->sc_dev), __FUNCTION__));
837
838 cd = &sc->sc_cdata;
839 for (i = 0; i < URL_TX_LIST_CNT; i++) {
840 c = &cd->url_tx_chain[i];
841 c->url_sc = sc;
842 c->url_idx = i;
843 c->url_mbuf = NULL;
844 if (c->url_xfer == NULL) {
845 c->url_xfer = usbd_alloc_xfer(sc->sc_udev);
846 if (c->url_xfer == NULL)
847 return (ENOBUFS);
848 c->url_buf = usbd_alloc_buffer(c->url_xfer, URL_BUFSZ);
849 if (c->url_buf == NULL) {
850 usbd_free_xfer(c->url_xfer);
851 return (ENOBUFS);
852 }
853 }
854 }
855
856 return (0);
857 }
858
859 Static void
860 url_start(struct ifnet *ifp)
861 {
862 struct url_softc *sc = ifp->if_softc;
863 struct mbuf *m_head = NULL;
864
865 DPRINTF(("%s: %s: enter, link=%d\n", USBDEVNAME(sc->sc_dev),
866 __FUNCTION__, sc->sc_link));
867
868 if (sc->sc_dying)
869 return;
870
871 if (!sc->sc_link)
872 return;
873
874 if (ifp->if_flags & IFF_OACTIVE)
875 return;
876
877 IFQ_POLL(&ifp->if_snd, m_head);
878 if (m_head == NULL)
879 return;
880
881 if (url_send(sc, m_head, 0)) {
882 ifp->if_flags |= IFF_OACTIVE;
883 return;
884 }
885
886 IFQ_DEQUEUE(&ifp->if_snd, m_head);
887
888 #if NBPFILTER > 0
889 if (ifp->if_bpf)
890 bpf_mtap(ifp->if_bpf, m_head);
891 #endif
892
893 ifp->if_flags |= IFF_OACTIVE;
894
895 /* Set a timeout in case the chip goes out to lunch. */
896 ifp->if_timer = 5;
897 }
898
899 Static int
900 url_send(struct url_softc *sc, struct mbuf *m, int idx)
901 {
902 int total_len;
903 struct url_chain *c;
904 usbd_status err;
905
906 DPRINTF(("%s: %s: enter\n", USBDEVNAME(sc->sc_dev),__FUNCTION__));
907
908 c = &sc->sc_cdata.url_tx_chain[idx];
909
910 /* Copy the mbuf data into a contiguous buffer */
911 m_copydata(m, 0, m->m_pkthdr.len, c->url_buf);
912 c->url_mbuf = m;
913 total_len = m->m_pkthdr.len;
914
915 if (total_len < URL_MIN_FRAME_LEN)
916 total_len = URL_MIN_FRAME_LEN;
917 usbd_setup_xfer(c->url_xfer, sc->sc_pipe_tx, c, c->url_buf, total_len,
918 USBD_FORCE_SHORT_XFER | USBD_NO_COPY,
919 URL_TX_TIMEOUT, url_txeof);
920
921 /* Transmit */
922 sc->sc_refcnt++;
923 err = usbd_transfer(c->url_xfer);
924 if (--sc->sc_refcnt < 0)
925 usb_detach_wakeup(USBDEV(sc->sc_dev));
926 if (err != USBD_IN_PROGRESS) {
927 printf("%s: url_send error=%s\n", USBDEVNAME(sc->sc_dev),
928 usbd_errstr(err));
929 /* Stop the interface */
930 usb_add_task(sc->sc_udev, &sc->sc_stop_task);
931 return (EIO);
932 }
933
934 DPRINTF(("%s: %s: send %d bytes\n", USBDEVNAME(sc->sc_dev),
935 __FUNCTION__, total_len));
936
937 sc->sc_cdata.url_tx_cnt++;
938
939 return (0);
940 }
941
942 Static void
943 url_txeof(usbd_xfer_handle xfer, usbd_private_handle priv, usbd_status status)
944 {
945 struct url_chain *c = priv;
946 struct url_softc *sc = c->url_sc;
947 struct ifnet *ifp = GET_IFP(sc);
948 int s;
949
950 if (sc->sc_dying)
951 return;
952
953 s = splnet();
954
955 DPRINTF(("%s: %s: enter\n", USBDEVNAME(sc->sc_dev), __FUNCTION__));
956
957 ifp->if_timer = 0;
958 ifp->if_flags &= ~IFF_OACTIVE;
959
960 if (status != USBD_NORMAL_COMPLETION) {
961 if (status == USBD_NOT_STARTED || status == USBD_CANCELLED) {
962 splx(s);
963 return;
964 }
965 ifp->if_oerrors++;
966 printf("%s: usb error on tx: %s\n", USBDEVNAME(sc->sc_dev),
967 usbd_errstr(status));
968 if (status == USBD_STALLED) {
969 sc->sc_refcnt++;
970 usbd_clear_endpoint_stall(sc->sc_pipe_tx);
971 if (--sc->sc_refcnt < 0)
972 usb_detach_wakeup(USBDEV(sc->sc_dev));
973 }
974 splx(s);
975 return;
976 }
977
978 ifp->if_opackets++;
979
980 m_free(c->url_mbuf);
981 c->url_mbuf = NULL;
982
983 if (IFQ_IS_EMPTY(&ifp->if_snd) == 0)
984 url_start(ifp);
985
986 splx(s);
987 }
988
989 Static void
990 url_rxeof(usbd_xfer_handle xfer, usbd_private_handle priv, usbd_status status)
991 {
992 struct url_chain *c = priv;
993 struct url_softc *sc = c->url_sc;
994 struct ifnet *ifp = GET_IFP(sc);
995 struct mbuf *m;
996 u_int32_t total_len;
997 url_rxhdr_t rxhdr;
998 int s;
999
1000 DPRINTF(("%s: %s: enter\n", USBDEVNAME(sc->sc_dev),__FUNCTION__));
1001
1002 if (sc->sc_dying)
1003 return;
1004
1005 if (status != USBD_NORMAL_COMPLETION) {
1006 if (status == USBD_NOT_STARTED || status == USBD_CANCELLED)
1007 return;
1008 sc->sc_rx_errs++;
1009 if (usbd_ratecheck(&sc->sc_rx_notice)) {
1010 printf("%s: %u usb errors on rx: %s\n",
1011 USBDEVNAME(sc->sc_dev), sc->sc_rx_errs,
1012 usbd_errstr(status));
1013 sc->sc_rx_errs = 0;
1014 }
1015 if (status == USBD_STALLED) {
1016 sc->sc_refcnt++;
1017 usbd_clear_endpoint_stall(sc->sc_pipe_rx);
1018 if (--sc->sc_refcnt < 0)
1019 usb_detach_wakeup(USBDEV(sc->sc_dev));
1020 }
1021 goto done;
1022 }
1023
1024 usbd_get_xfer_status(xfer, NULL, NULL, &total_len, NULL);
1025
1026 memcpy(mtod(c->url_mbuf, char *), c->url_buf, total_len);
1027
1028 if (total_len <= ETHER_CRC_LEN) {
1029 ifp->if_ierrors++;
1030 goto done;
1031 }
1032
1033 memcpy(&rxhdr, c->url_buf + total_len - ETHER_CRC_LEN, sizeof(rxhdr));
1034
1035 DPRINTF(("%s: RX Status: %dbytes%s%s%s%s packets\n",
1036 USBDEVNAME(sc->sc_dev),
1037 UGETW(rxhdr) & URL_RXHDR_BYTEC_MASK,
1038 UGETW(rxhdr) & URL_RXHDR_VALID_MASK ? ", Valid" : "",
1039 UGETW(rxhdr) & URL_RXHDR_RUNTPKT_MASK ? ", Runt" : "",
1040 UGETW(rxhdr) & URL_RXHDR_PHYPKT_MASK ? ", Physical match" : "",
1041 UGETW(rxhdr) & URL_RXHDR_MCASTPKT_MASK ? ", Multicast" : ""));
1042
1043 if ((UGETW(rxhdr) & URL_RXHDR_VALID_MASK) == 0) {
1044 ifp->if_ierrors++;
1045 goto done;
1046 }
1047
1048 ifp->if_ipackets++;
1049 total_len -= ETHER_CRC_LEN;
1050
1051 m = c->url_mbuf;
1052 m->m_pkthdr.len = m->m_len = total_len;
1053 m->m_pkthdr.rcvif = ifp;
1054
1055 s = splnet();
1056
1057 if (url_newbuf(sc, c, NULL) == ENOBUFS) {
1058 ifp->if_ierrors++;
1059 goto done1;
1060 }
1061
1062 #if NBPFILTER > 0
1063 if (ifp->if_bpf)
1064 BPF_MTAP(ifp, m);
1065 #endif
1066
1067 DPRINTF(("%s: %s: deliver %d\n", USBDEVNAME(sc->sc_dev),
1068 __FUNCTION__, m->m_len));
1069 IF_INPUT(ifp, m);
1070
1071 done1:
1072 splx(s);
1073
1074 done:
1075 /* Setup new transfer */
1076 usbd_setup_xfer(xfer, sc->sc_pipe_rx, c, c->url_buf, URL_BUFSZ,
1077 USBD_SHORT_XFER_OK | USBD_NO_COPY,
1078 USBD_NO_TIMEOUT, url_rxeof);
1079 sc->sc_refcnt++;
1080 usbd_transfer(xfer);
1081 if (--sc->sc_refcnt < 0)
1082 usb_detach_wakeup(USBDEV(sc->sc_dev));
1083
1084 DPRINTF(("%s: %s: start rx\n", USBDEVNAME(sc->sc_dev), __FUNCTION__));
1085 }
1086
1087 #if 0
1088 Static void url_intr()
1089 {
1090 }
1091 #endif
1092
1093 Static int
1094 url_ioctl(struct ifnet *ifp, u_long cmd, caddr_t data)
1095 {
1096 struct url_softc *sc = ifp->if_softc;
1097 struct ifreq *ifr = (struct ifreq *)data;
1098 struct mii_data *mii;
1099 int s, error = 0;
1100
1101 DPRINTF(("%s: %s: enter\n", USBDEVNAME(sc->sc_dev), __FUNCTION__));
1102
1103 if (sc->sc_dying)
1104 return (EIO);
1105
1106 s = splnet();
1107
1108 switch (cmd) {
1109 case SIOCGIFMEDIA:
1110 case SIOCSIFMEDIA:
1111 mii = GET_MII(sc);
1112 error = ifmedia_ioctl(ifp, ifr, &mii->mii_media, cmd);
1113 break;
1114
1115 default:
1116 error = ether_ioctl(ifp, cmd, data);
1117 if (error == ENETRESET) {
1118 url_setmulti(sc);
1119 error = 0;
1120 }
1121 break;
1122 }
1123
1124 splx(s);
1125
1126 return (error);
1127 }
1128
1129 Static void
1130 url_watchdog(struct ifnet *ifp)
1131 {
1132 struct url_softc *sc = ifp->if_softc;
1133 struct url_chain *c;
1134 usbd_status stat;
1135 int s;
1136
1137 DPRINTF(("%s: %s: enter\n", USBDEVNAME(sc->sc_dev), __FUNCTION__));
1138
1139 ifp->if_oerrors++;
1140 printf("%s: watchdog timeout\n", USBDEVNAME(sc->sc_dev));
1141
1142 s = splusb();
1143 c = &sc->sc_cdata.url_tx_chain[0];
1144 usbd_get_xfer_status(c->url_xfer, NULL, NULL, NULL, &stat);
1145 url_txeof(c->url_xfer, c, stat);
1146
1147 if (IFQ_IS_EMPTY(&ifp->if_snd) == 0)
1148 url_start(ifp);
1149 splx(s);
1150 }
1151
1152 Static void
1153 url_stop_task(struct url_softc *sc)
1154 {
1155 url_stop(GET_IFP(sc), 1);
1156 }
1157
1158 /* Stop the adapter and free any mbufs allocated to the RX and TX lists. */
1159 Static void
1160 url_stop(struct ifnet *ifp, int disable)
1161 {
1162 struct url_softc *sc = ifp->if_softc;
1163 usbd_status err;
1164 int i;
1165
1166 DPRINTF(("%s: %s: enter\n", USBDEVNAME(sc->sc_dev), __FUNCTION__));
1167
1168 ifp->if_timer = 0;
1169
1170 url_reset(sc);
1171
1172 usb_uncallout(sc->sc_stat_ch, url_tick, sc);
1173
1174 /* Stop transfers */
1175 /* RX endpoint */
1176 if (sc->sc_pipe_rx != NULL) {
1177 err = usbd_abort_pipe(sc->sc_pipe_rx);
1178 if (err)
1179 printf("%s: abort rx pipe failed: %s\n",
1180 USBDEVNAME(sc->sc_dev), usbd_errstr(err));
1181 err = usbd_close_pipe(sc->sc_pipe_rx);
1182 if (err)
1183 printf("%s: close rx pipe failed: %s\n",
1184 USBDEVNAME(sc->sc_dev), usbd_errstr(err));
1185 sc->sc_pipe_rx = NULL;
1186 }
1187
1188 /* TX endpoint */
1189 if (sc->sc_pipe_tx != NULL) {
1190 err = usbd_abort_pipe(sc->sc_pipe_tx);
1191 if (err)
1192 printf("%s: abort tx pipe failed: %s\n",
1193 USBDEVNAME(sc->sc_dev), usbd_errstr(err));
1194 err = usbd_close_pipe(sc->sc_pipe_tx);
1195 if (err)
1196 printf("%s: close tx pipe failed: %s\n",
1197 USBDEVNAME(sc->sc_dev), usbd_errstr(err));
1198 sc->sc_pipe_tx = NULL;
1199 }
1200
1201 #if 0
1202 /* XXX: Interrupt endpoint is not yet supported!! */
1203 /* Interrupt endpoint */
1204 if (sc->sc_pipe_intr != NULL) {
1205 err = usbd_abort_pipe(sc->sc_pipe_intr);
1206 if (err)
1207 printf("%s: abort intr pipe failed: %s\n",
1208 USBDEVNAME(sc->sc_dev), usbd_errstr(err));
1209 err = usbd_close_pipe(sc->sc_pipe_intr);
1210 if (err)
1211 printf("%s: close intr pipe failed: %s\n",
1212 USBDEVNAME(sc->sc_dev), usbd_errstr(err));
1213 sc->sc_pipe_intr = NULL;
1214 }
1215 #endif
1216
1217 /* Free RX resources. */
1218 for (i = 0; i < URL_RX_LIST_CNT; i++) {
1219 if (sc->sc_cdata.url_rx_chain[i].url_mbuf != NULL) {
1220 m_freem(sc->sc_cdata.url_rx_chain[i].url_mbuf);
1221 sc->sc_cdata.url_rx_chain[i].url_mbuf = NULL;
1222 }
1223 if (sc->sc_cdata.url_rx_chain[i].url_xfer != NULL) {
1224 usbd_free_xfer(sc->sc_cdata.url_rx_chain[i].url_xfer);
1225 sc->sc_cdata.url_rx_chain[i].url_xfer = NULL;
1226 }
1227 }
1228
1229 /* Free TX resources. */
1230 for (i = 0; i < URL_TX_LIST_CNT; i++) {
1231 if (sc->sc_cdata.url_tx_chain[i].url_mbuf != NULL) {
1232 m_freem(sc->sc_cdata.url_tx_chain[i].url_mbuf);
1233 sc->sc_cdata.url_tx_chain[i].url_mbuf = NULL;
1234 }
1235 if (sc->sc_cdata.url_tx_chain[i].url_xfer != NULL) {
1236 usbd_free_xfer(sc->sc_cdata.url_tx_chain[i].url_xfer);
1237 sc->sc_cdata.url_tx_chain[i].url_xfer = NULL;
1238 }
1239 }
1240
1241 sc->sc_link = 0;
1242 ifp->if_flags &= ~(IFF_RUNNING | IFF_OACTIVE);
1243 }
1244
1245 /* Set media options */
1246 Static int
1247 url_ifmedia_change(struct ifnet *ifp)
1248 {
1249 struct url_softc *sc = ifp->if_softc;
1250 struct mii_data *mii = GET_MII(sc);
1251
1252 DPRINTF(("%s: %s: enter\n", USBDEVNAME(sc->sc_dev), __FUNCTION__));
1253
1254 if (sc->sc_dying)
1255 return (0);
1256
1257 sc->sc_link = 0;
1258 if (mii->mii_instance) {
1259 struct mii_softc *miisc;
1260 for (miisc = LIST_FIRST(&mii->mii_phys); miisc != NULL;
1261 miisc = LIST_NEXT(miisc, mii_list))
1262 mii_phy_reset(miisc);
1263 }
1264
1265 return (mii_mediachg(mii));
1266 }
1267
1268 /* Report current media status. */
1269 Static void
1270 url_ifmedia_status(struct ifnet *ifp, struct ifmediareq *ifmr)
1271 {
1272 struct url_softc *sc = ifp->if_softc;
1273 struct mii_data *mii = GET_MII(sc);
1274
1275 DPRINTF(("%s: %s: enter\n", USBDEVNAME(sc->sc_dev), __FUNCTION__));
1276
1277 if (sc->sc_dying)
1278 return;
1279
1280 if ((ifp->if_flags & IFF_RUNNING) == 0) {
1281 ifmr->ifm_active = IFM_ETHER | IFM_NONE;
1282 ifmr->ifm_status = 0;
1283 return;
1284 }
1285
1286 mii_pollstat(mii);
1287 ifmr->ifm_active = mii->mii_media_active;
1288 ifmr->ifm_status = mii->mii_media_status;
1289 }
1290
1291 Static void
1292 url_tick(void *xsc)
1293 {
1294 struct url_softc *sc = xsc;
1295
1296 if (sc == NULL)
1297 return;
1298
1299 DPRINTFN(0xff, ("%s: %s: enter\n", USBDEVNAME(sc->sc_dev),
1300 __FUNCTION__));
1301
1302 if (sc->sc_dying)
1303 return;
1304
1305 /* Perform periodic stuff in process context */
1306 usb_add_task(sc->sc_udev, &sc->sc_tick_task);
1307 }
1308
1309 Static void
1310 url_tick_task(void *xsc)
1311 {
1312 struct url_softc *sc = xsc;
1313 struct ifnet *ifp;
1314 struct mii_data *mii;
1315 int s;
1316
1317 if (sc == NULL)
1318 return;
1319
1320 DPRINTFN(0xff, ("%s: %s: enter\n", USBDEVNAME(sc->sc_dev),
1321 __FUNCTION__));
1322
1323 if (sc->sc_dying)
1324 return;
1325
1326 ifp = GET_IFP(sc);
1327 mii = GET_MII(sc);
1328
1329 if (mii == NULL)
1330 return;
1331
1332 s = splnet();
1333
1334 mii_tick(mii);
1335 if (!sc->sc_link) {
1336 mii_pollstat(mii);
1337 if (mii->mii_media_status & IFM_ACTIVE &&
1338 IFM_SUBTYPE(mii->mii_media_active) != IFM_NONE) {
1339 DPRINTF(("%s: %s: got link\n",
1340 USBDEVNAME(sc->sc_dev), __FUNCTION__));
1341 sc->sc_link++;
1342 if (IFQ_IS_EMPTY(&ifp->if_snd) == 0)
1343 url_start(ifp);
1344 }
1345 }
1346
1347 usb_callout(sc->sc_stat_ch, hz, url_tick, sc);
1348
1349 splx(s);
1350 }
1351
1352 /* Get exclusive access to the MII registers */
1353 Static void
1354 url_lock_mii(struct url_softc *sc)
1355 {
1356 DPRINTFN(0xff, ("%s: %s: enter\n", USBDEVNAME(sc->sc_dev),
1357 __FUNCTION__));
1358
1359 sc->sc_refcnt++;
1360 lockmgr(&sc->sc_mii_lock, LK_EXCLUSIVE, NULL);
1361 }
1362
1363 Static void
1364 url_unlock_mii(struct url_softc *sc)
1365 {
1366 DPRINTFN(0xff, ("%s: %s: enter\n", USBDEVNAME(sc->sc_dev),
1367 __FUNCTION__));
1368
1369 lockmgr(&sc->sc_mii_lock, LK_RELEASE, NULL);
1370 if (--sc->sc_refcnt < 0)
1371 usb_detach_wakeup(USBDEV(sc->sc_dev));
1372 }
1373
1374 Static int
1375 url_int_miibus_readreg(device_ptr_t dev, int phy, int reg)
1376 {
1377 struct url_softc *sc;
1378 u_int16_t val;
1379
1380 if (dev == NULL)
1381 return (0);
1382
1383 sc = USBGETSOFTC(dev);
1384
1385 DPRINTFN(0xff, ("%s: %s: enter, phy=%d reg=0x%04x\n",
1386 USBDEVNAME(sc->sc_dev), __FUNCTION__, phy, reg));
1387
1388 if (sc->sc_dying) {
1389 #ifdef DIAGNOSTIC
1390 printf("%s: %s: dying\n", USBDEVNAME(sc->sc_dev),
1391 __FUNCTION__);
1392 #endif
1393 return (0);
1394 }
1395
1396 /* XXX: one PHY only for the RTL8150 internal PHY */
1397 if (phy != 0) {
1398 DPRINTFN(0xff, ("%s: %s: phy=%d is not supported\n",
1399 USBDEVNAME(sc->sc_dev), __FUNCTION__, phy));
1400 return (0);
1401 }
1402
1403 url_lock_mii(sc);
1404
1405 switch (reg) {
1406 case MII_BMCR: /* Control Register */
1407 reg = URL_BMCR;
1408 break;
1409 case MII_BMSR: /* Status Register */
1410 reg = URL_BMSR;
1411 break;
1412 case MII_PHYIDR1:
1413 case MII_PHYIDR2:
1414 val = 0;
1415 goto R_DONE;
1416 break;
1417 case MII_ANAR: /* Autonegotiation advertisement */
1418 reg = URL_ANAR;
1419 break;
1420 case MII_ANLPAR: /* Autonegotiation link partner abilities */
1421 reg = URL_ANLP;
1422 break;
1423 case URLPHY_MSR: /* Media Status Register */
1424 reg = URL_MSR;
1425 break;
1426 default:
1427 printf("%s: %s: bad register %04x\n",
1428 USBDEVNAME(sc->sc_dev), __FUNCTION__, reg);
1429 val = 0;
1430 goto R_DONE;
1431 break;
1432 }
1433
1434 if (reg == URL_MSR)
1435 val = url_csr_read_1(sc, reg);
1436 else
1437 val = url_csr_read_2(sc, reg);
1438
1439 R_DONE:
1440 DPRINTFN(0xff, ("%s: %s: phy=%d reg=0x%04x => 0x%04x\n",
1441 USBDEVNAME(sc->sc_dev), __FUNCTION__, phy, reg, val));
1442
1443 url_unlock_mii(sc);
1444 return (val);
1445 }
1446
1447 Static void
1448 url_int_miibus_writereg(device_ptr_t dev, int phy, int reg, int data)
1449 {
1450 struct url_softc *sc;
1451
1452 if (dev == NULL)
1453 return;
1454
1455 sc = USBGETSOFTC(dev);
1456
1457 DPRINTFN(0xff, ("%s: %s: enter, phy=%d reg=0x%04x data=0x%04x\n",
1458 USBDEVNAME(sc->sc_dev), __FUNCTION__, phy, reg, data));
1459
1460 if (sc->sc_dying) {
1461 #ifdef DIAGNOSTIC
1462 printf("%s: %s: dying\n", USBDEVNAME(sc->sc_dev),
1463 __FUNCTION__);
1464 #endif
1465 return;
1466 }
1467
1468 /* XXX: one PHY only for the RTL8150 internal PHY */
1469 if (phy != 0) {
1470 DPRINTFN(0xff, ("%s: %s: phy=%d is not supported\n",
1471 USBDEVNAME(sc->sc_dev), __FUNCTION__, phy));
1472 return;
1473 }
1474
1475 url_lock_mii(sc);
1476
1477 switch (reg) {
1478 case MII_BMCR: /* Control Register */
1479 reg = URL_BMCR;
1480 break;
1481 case MII_BMSR: /* Status Register */
1482 reg = URL_BMSR;
1483 break;
1484 case MII_PHYIDR1:
1485 case MII_PHYIDR2:
1486 goto W_DONE;
1487 break;
1488 case MII_ANAR: /* Autonegotiation advertisement */
1489 reg = URL_ANAR;
1490 break;
1491 case MII_ANLPAR: /* Autonegotiation link partner abilities */
1492 reg = URL_ANLP;
1493 break;
1494 case URLPHY_MSR: /* Media Status Register */
1495 reg = URL_MSR;
1496 break;
1497 default:
1498 printf("%s: %s: bad register %04x\n",
1499 USBDEVNAME(sc->sc_dev), __FUNCTION__, reg);
1500 goto W_DONE;
1501 break;
1502 }
1503
1504 if (reg == URL_MSR)
1505 url_csr_write_1(sc, reg, data);
1506 else
1507 url_csr_write_2(sc, reg, data);
1508 W_DONE:
1509
1510 url_unlock_mii(sc);
1511 return;
1512 }
1513
1514 Static void
1515 url_miibus_statchg(device_ptr_t dev)
1516 {
1517 #ifdef URL_DEBUG
1518 struct url_softc *sc;
1519
1520 if (dev == NULL)
1521 return;
1522
1523 sc = USBGETSOFTC(dev);
1524 DPRINTF(("%s: %s: enter\n", USBDEVNAME(sc->sc_dev), __FUNCTION__));
1525 #endif
1526 /* Nothing to do */
1527 }
1528
1529 #if 0
1530 /*
1531 * external PHYs support, but not test.
1532 */
1533 Static int
1534 url_ext_miibus_redreg(device_ptr_t dev, int phy, int reg)
1535 {
1536 struct url_softc *sc = USBGETSOFTC(dev);
1537 u_int16_t val;
1538
1539 DPRINTF(("%s: %s: enter, phy=%d reg=0x%04x\n",
1540 USBDEVNAME(sc->sc_dev), __FUNCTION__, phy, reg));
1541
1542 if (sc->sc_dying) {
1543 #ifdef DIAGNOSTIC
1544 printf("%s: %s: dying\n", USBDEVNAME(sc->sc_dev),
1545 __FUNCTION__);
1546 #endif
1547 return (0);
1548 }
1549
1550 url_lock_mii(sc);
1551
1552 url_csr_write_1(sc, URL_PHYADD, phy & URL_PHYADD_MASK);
1553 /*
1554 * RTL8150L will initiate a MII management data transaction
1555 * if PHYCNT_OWN bit is set 1 by software. After transaction,
1556 * this bit is auto cleared by TRL8150L.
1557 */
1558 url_csr_write_1(sc, URL_PHYCNT,
1559 (reg | URL_PHYCNT_PHYOWN) & ~URL_PHYCNT_RWCR);
1560 for (i = 0; i < URL_TIMEOUT; i++) {
1561 if ((url_csr_read_1(sc, URL_PHYCNT) & URL_PHYCNT_PHYOWN) == 0)
1562 break;
1563 }
1564 if (i == URL_TIMEOUT) {
1565 printf("%s: MII read timed out\n", USBDEVNAME(sc->sc_dev));
1566 }
1567
1568 val = url_csr_read_2(sc, URL_PHYDAT);
1569
1570 DPRINTF(("%s: %s: phy=%d reg=0x%04x => 0x%04x\n",
1571 USBDEVNAME(sc->sc_dev), __FUNCTION__, phy, reg, val));
1572
1573 url_unlock_mii(sc);
1574 return (val);
1575 }
1576
1577 Static void
1578 url_ext_miibus_writereg(device_ptr_t dev, int phy, int reg, int data)
1579 {
1580 struct url_softc *sc = USBGETSOFTC(dev);
1581
1582 DPRINTF(("%s: %s: enter, phy=%d reg=0x%04x data=0x%04x\n",
1583 USBDEVNAME(sc->sc_dev), __FUNCTION__, phy, reg, data));
1584
1585 if (sc->sc_dying) {
1586 #ifdef DIAGNOSTIC
1587 printf("%s: %s: dying\n", USBDEVNAME(sc->sc_dev),
1588 __FUNCTION__);
1589 #endif
1590 return;
1591 }
1592
1593 url_lock_mii(sc);
1594
1595 url_csr_write_2(sc, URL_PHYDAT, data);
1596 url_csr_write_1(sc, URL_PHYADD, phy);
1597 url_csr_write_1(sc, URL_PHYCNT, reg | URL_PHYCNT_RWCR); /* Write */
1598
1599 for (i=0; i < URL_TIMEOUT; i++) {
1600 if (url_csr_read_1(sc, URL_PHYCNT) & URL_PHYCNT_PHYOWN)
1601 break;
1602 }
1603
1604 if (i == URL_TIMEOUT) {
1605 printf("%s: MII write timed out\n",
1606 USBDEVNAME(sc->sc_dev));
1607 }
1608
1609 url_unlock_mii(sc);
1610 return;
1611 }
1612 #endif
1613
1614