if_url.c revision 1.19.2.1 1 /* $NetBSD: if_url.c,v 1.19.2.1 2006/09/14 12:31:40 yamt 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. 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 1.19.2.1 2006/09/14 12:31:40 yamt 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/lock.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, caddr_t);
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 if (uaa->iface != NULL)
174 return (UMATCH_NONE);
175
176 return (url_lookup(uaa->vendor, uaa->product) != NULL ?
177 UMATCH_VENDOR_PRODUCT : UMATCH_NONE);
178 }
179 /* Attach */
180 USB_ATTACH(url)
181 {
182 USB_ATTACH_START(url, sc, uaa);
183 usbd_device_handle dev = uaa->device;
184 usbd_interface_handle iface;
185 usbd_status err;
186 usb_interface_descriptor_t *id;
187 usb_endpoint_descriptor_t *ed;
188 char *devinfop;
189 char *devname = USBDEVNAME(sc->sc_dev);
190 struct ifnet *ifp;
191 struct mii_data *mii;
192 u_char eaddr[ETHER_ADDR_LEN];
193 int i, s;
194
195 devinfop = usbd_devinfo_alloc(dev, 0);
196 USB_ATTACH_SETUP;
197 printf("%s: %s\n", devname, 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 printf("%s: setting config no failed\n", devname);
204 goto bad;
205 }
206
207 usb_init_task(&sc->sc_tick_task, url_tick_task, sc);
208 lockinit(&sc->sc_mii_lock, PZERO, "urlmii", 0, 0);
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 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 = 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 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 url_reset(sc);
255
256 /* Get Ethernet Address */
257 err = url_mem(sc, URL_CMD_READMEM, URL_IDR0, (void *)eaddr,
258 ETHER_ADDR_LEN);
259 if (err) {
260 printf("%s: read MAC address failed\n", devname);
261 splx(s);
262 goto bad;
263 }
264
265 /* Print Ethernet Address */
266 printf("%s: Ethernet address %s\n", devname, ether_sprintf(eaddr));
267
268 /* initialize interface information */
269 ifp = GET_IFP(sc);
270 ifp->if_softc = sc;
271 ifp->if_mtu = ETHERMTU;
272 strncpy(ifp->if_xname, devname, IFNAMSIZ);
273 ifp->if_flags = IFF_BROADCAST | IFF_SIMPLEX | IFF_MULTICAST;
274 ifp->if_start = url_start;
275 ifp->if_ioctl = url_ioctl;
276 ifp->if_watchdog = url_watchdog;
277 ifp->if_init = url_init;
278 ifp->if_stop = url_stop;
279
280 IFQ_SET_READY(&ifp->if_snd);
281
282 /*
283 * Do ifmedia setup.
284 */
285 mii = &sc->sc_mii;
286 mii->mii_ifp = ifp;
287 mii->mii_readreg = url_int_miibus_readreg;
288 mii->mii_writereg = url_int_miibus_writereg;
289 #if 0
290 if (sc->sc_flags & URL_EXT_PHY) {
291 mii->mii_readreg = url_ext_miibus_readreg;
292 mii->mii_writereg = url_ext_miibus_writereg;
293 }
294 #endif
295 mii->mii_statchg = url_miibus_statchg;
296 mii->mii_flags = MIIF_AUTOTSLEEP;
297 ifmedia_init(&mii->mii_media, 0,
298 url_ifmedia_change, url_ifmedia_status);
299 mii_attach(self, mii, 0xffffffff, MII_PHY_ANY, MII_OFFSET_ANY, 0);
300 if (LIST_FIRST(&mii->mii_phys) == NULL) {
301 ifmedia_add(&mii->mii_media, IFM_ETHER | IFM_NONE, 0, NULL);
302 ifmedia_set(&mii->mii_media, IFM_ETHER | IFM_NONE);
303 } else
304 ifmedia_set(&mii->mii_media, IFM_ETHER | IFM_AUTO);
305
306 /* attach the interface */
307 if_attach(ifp);
308 Ether_ifattach(ifp, eaddr);
309
310 #if NRND > 0
311 rnd_attach_source(&sc->rnd_source, devname, RND_TYPE_NET, 0);
312 #endif
313
314 usb_callout_init(sc->sc_stat_ch);
315 sc->sc_attached = 1;
316 splx(s);
317
318 usbd_add_drv_event(USB_EVENT_DRIVER_ATTACH, dev, USBDEV(sc->sc_dev));
319
320 USB_ATTACH_SUCCESS_RETURN;
321
322 bad:
323 sc->sc_dying = 1;
324 USB_ATTACH_ERROR_RETURN;
325 }
326
327 /* detach */
328 USB_DETACH(url)
329 {
330 USB_DETACH_START(url, sc);
331 struct ifnet *ifp = GET_IFP(sc);
332 int s;
333
334 DPRINTF(("%s: %s: enter\n", USBDEVNAME(sc->sc_dev), __func__));
335
336 /* Detached before attached finished */
337 if (!sc->sc_attached)
338 return (0);
339
340 usb_uncallout(sc->sc_stat_ch, url_tick, sc);
341
342 /* Remove any pending tasks */
343 usb_rem_task(sc->sc_udev, &sc->sc_tick_task);
344 usb_rem_task(sc->sc_udev, &sc->sc_stop_task);
345
346 s = splusb();
347
348 if (--sc->sc_refcnt >= 0) {
349 /* Wait for processes to go away */
350 usb_detach_wait(USBDEV(sc->sc_dev));
351 }
352
353 if (ifp->if_flags & IFF_RUNNING)
354 url_stop(GET_IFP(sc), 1);
355
356 #if NRND > 0
357 rnd_detach_source(&sc->rnd_source);
358 #endif
359 mii_detach(&sc->sc_mii, MII_PHY_ANY, MII_OFFSET_ANY);
360 ifmedia_delete_instance(&sc->sc_mii.mii_media, IFM_INST_ANY);
361 ether_ifdetach(ifp);
362 if_detach(ifp);
363
364 #ifdef DIAGNOSTIC
365 if (sc->sc_pipe_tx != NULL)
366 printf("%s: detach has active tx endpoint.\n",
367 USBDEVNAME(sc->sc_dev));
368 if (sc->sc_pipe_rx != NULL)
369 printf("%s: detach has active rx endpoint.\n",
370 USBDEVNAME(sc->sc_dev));
371 if (sc->sc_pipe_intr != NULL)
372 printf("%s: detach has active intr endpoint.\n",
373 USBDEVNAME(sc->sc_dev));
374 #endif
375
376 sc->sc_attached = 0;
377
378 splx(s);
379
380 usbd_add_drv_event(USB_EVENT_DRIVER_DETACH, sc->sc_udev,
381 USBDEV(sc->sc_dev));
382
383 return (0);
384 }
385
386 /* read/write memory */
387 Static int
388 url_mem(struct url_softc *sc, int cmd, int offset, void *buf, int len)
389 {
390 usb_device_request_t req;
391 usbd_status err;
392
393 if (sc == NULL)
394 return (0);
395
396 DPRINTFN(0x200,
397 ("%s: %s: enter\n", USBDEVNAME(sc->sc_dev), __func__));
398
399 if (sc->sc_dying)
400 return (0);
401
402 if (cmd == URL_CMD_READMEM)
403 req.bmRequestType = UT_READ_VENDOR_DEVICE;
404 else
405 req.bmRequestType = UT_WRITE_VENDOR_DEVICE;
406 req.bRequest = URL_REQ_MEM;
407 USETW(req.wValue, offset);
408 USETW(req.wIndex, 0x0000);
409 USETW(req.wLength, len);
410
411 sc->sc_refcnt++;
412 err = usbd_do_request(sc->sc_udev, &req, buf);
413 if (--sc->sc_refcnt < 0)
414 usb_detach_wakeup(USBDEV(sc->sc_dev));
415 if (err) {
416 DPRINTF(("%s: url_mem(): %s failed. off=%04x, err=%d\n",
417 USBDEVNAME(sc->sc_dev),
418 cmd == URL_CMD_READMEM ? "read" : "write",
419 offset, err));
420 }
421
422 return (err);
423 }
424
425 /* read 1byte from register */
426 Static int
427 url_csr_read_1(struct url_softc *sc, int reg)
428 {
429 u_int8_t val = 0;
430
431 DPRINTFN(0x100,
432 ("%s: %s: enter\n", USBDEVNAME(sc->sc_dev), __func__));
433
434 if (sc->sc_dying)
435 return (0);
436
437 return (url_mem(sc, URL_CMD_READMEM, reg, &val, 1) ? 0 : val);
438 }
439
440 /* read 2bytes from register */
441 Static int
442 url_csr_read_2(struct url_softc *sc, int reg)
443 {
444 uWord val;
445
446 DPRINTFN(0x100,
447 ("%s: %s: enter\n", USBDEVNAME(sc->sc_dev), __func__));
448
449 if (sc->sc_dying)
450 return (0);
451
452 USETW(val, 0);
453 return (url_mem(sc, URL_CMD_READMEM, reg, &val, 2) ? 0 : UGETW(val));
454 }
455
456 /* write 1byte to register */
457 Static int
458 url_csr_write_1(struct url_softc *sc, int reg, int aval)
459 {
460 u_int8_t val = aval;
461
462 DPRINTFN(0x100,
463 ("%s: %s: enter\n", USBDEVNAME(sc->sc_dev), __func__));
464
465 if (sc->sc_dying)
466 return (0);
467
468 return (url_mem(sc, URL_CMD_WRITEMEM, reg, &val, 1) ? -1 : 0);
469 }
470
471 /* write 2bytes to register */
472 Static int
473 url_csr_write_2(struct url_softc *sc, int reg, int aval)
474 {
475 uWord val;
476
477 DPRINTFN(0x100,
478 ("%s: %s: enter\n", USBDEVNAME(sc->sc_dev), __func__));
479
480 USETW(val, aval);
481
482 if (sc->sc_dying)
483 return (0);
484
485 return (url_mem(sc, URL_CMD_WRITEMEM, reg, &val, 2) ? -1 : 0);
486 }
487
488 /* write 4bytes to register */
489 Static int
490 url_csr_write_4(struct url_softc *sc, int reg, int aval)
491 {
492 uDWord val;
493
494 DPRINTFN(0x100,
495 ("%s: %s: enter\n", USBDEVNAME(sc->sc_dev), __func__));
496
497 USETDW(val, aval);
498
499 if (sc->sc_dying)
500 return (0);
501
502 return (url_mem(sc, URL_CMD_WRITEMEM, reg, &val, 4) ? -1 : 0);
503 }
504
505 Static int
506 url_init(struct ifnet *ifp)
507 {
508 struct url_softc *sc = ifp->if_softc;
509 struct mii_data *mii = GET_MII(sc);
510 u_char *eaddr;
511 int i, s;
512
513 DPRINTF(("%s: %s: enter\n", USBDEVNAME(sc->sc_dev), __func__));
514
515 if (sc->sc_dying)
516 return (EIO);
517
518 s = splnet();
519
520 /* Cancel pending I/O and free all TX/RX buffers */
521 url_stop(ifp, 1);
522
523 eaddr = LLADDR(ifp->if_sadl);
524 for (i = 0; i < ETHER_ADDR_LEN; i++)
525 url_csr_write_1(sc, URL_IDR0 + i, eaddr[i]);
526
527 /* Init transmission control register */
528 URL_CLRBIT(sc, URL_TCR,
529 URL_TCR_TXRR1 | URL_TCR_TXRR0 |
530 URL_TCR_IFG1 | URL_TCR_IFG0 |
531 URL_TCR_NOCRC);
532
533 /* Init receive control register */
534 URL_SETBIT2(sc, URL_RCR, URL_RCR_TAIL | URL_RCR_AD);
535 if (ifp->if_flags & IFF_BROADCAST)
536 URL_SETBIT2(sc, URL_RCR, URL_RCR_AB);
537 else
538 URL_CLRBIT2(sc, URL_RCR, URL_RCR_AB);
539
540 /* If we want promiscuous mode, accept all physical frames. */
541 if (ifp->if_flags & IFF_PROMISC)
542 URL_SETBIT2(sc, URL_RCR, URL_RCR_AAM|URL_RCR_AAP);
543 else
544 URL_CLRBIT2(sc, URL_RCR, URL_RCR_AAM|URL_RCR_AAP);
545
546
547 /* Initialize transmit ring */
548 if (url_tx_list_init(sc) == ENOBUFS) {
549 printf("%s: tx list init failed\n", USBDEVNAME(sc->sc_dev));
550 splx(s);
551 return (EIO);
552 }
553
554 /* Initialize receive ring */
555 if (url_rx_list_init(sc) == ENOBUFS) {
556 printf("%s: rx list init failed\n", USBDEVNAME(sc->sc_dev));
557 splx(s);
558 return (EIO);
559 }
560
561 /* Load the multicast filter */
562 url_setmulti(sc);
563
564 /* Enable RX and TX */
565 URL_SETBIT(sc, URL_CR, URL_CR_TE | URL_CR_RE);
566
567 mii_mediachg(mii);
568
569 if (sc->sc_pipe_tx == NULL || sc->sc_pipe_rx == NULL) {
570 if (url_openpipes(sc)) {
571 splx(s);
572 return (EIO);
573 }
574 }
575
576 ifp->if_flags |= IFF_RUNNING;
577 ifp->if_flags &= ~IFF_OACTIVE;
578
579 splx(s);
580
581 usb_callout(sc->sc_stat_ch, hz, url_tick, sc);
582
583 return (0);
584 }
585
586 Static void
587 url_reset(struct url_softc *sc)
588 {
589 int i;
590
591 DPRINTF(("%s: %s: enter\n", USBDEVNAME(sc->sc_dev), __func__));
592
593 if (sc->sc_dying)
594 return;
595
596 URL_SETBIT(sc, URL_CR, URL_CR_SOFT_RST);
597
598 for (i = 0; i < URL_TX_TIMEOUT; i++) {
599 if (!(url_csr_read_1(sc, URL_CR) & URL_CR_SOFT_RST))
600 break;
601 delay(10); /* XXX */
602 }
603
604 delay(10000); /* XXX */
605 }
606
607 int
608 url_activate(device_ptr_t self, enum devact act)
609 {
610 struct url_softc *sc = (struct url_softc *)self;
611
612 DPRINTF(("%s: %s: enter, act=%d\n", USBDEVNAME(sc->sc_dev),
613 __func__, act));
614
615 switch (act) {
616 case DVACT_ACTIVATE:
617 return (EOPNOTSUPP);
618 break;
619
620 case DVACT_DEACTIVATE:
621 if_deactivate(&sc->sc_ec.ec_if);
622 sc->sc_dying = 1;
623 break;
624 }
625
626 return (0);
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, URL_INTR_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 return (EIO);
933 }
934
935 DPRINTF(("%s: %s: send %d bytes\n", USBDEVNAME(sc->sc_dev),
936 __func__, total_len));
937
938 sc->sc_cdata.url_tx_cnt++;
939
940 return (0);
941 }
942
943 Static void
944 url_txeof(usbd_xfer_handle xfer, usbd_private_handle priv, usbd_status status)
945 {
946 struct url_chain *c = priv;
947 struct url_softc *sc = c->url_sc;
948 struct ifnet *ifp = GET_IFP(sc);
949 int s;
950
951 if (sc->sc_dying)
952 return;
953
954 s = splnet();
955
956 DPRINTF(("%s: %s: enter\n", USBDEVNAME(sc->sc_dev), __func__));
957
958 ifp->if_timer = 0;
959 ifp->if_flags &= ~IFF_OACTIVE;
960
961 if (status != USBD_NORMAL_COMPLETION) {
962 if (status == USBD_NOT_STARTED || status == USBD_CANCELLED) {
963 splx(s);
964 return;
965 }
966 ifp->if_oerrors++;
967 printf("%s: usb error on tx: %s\n", USBDEVNAME(sc->sc_dev),
968 usbd_errstr(status));
969 if (status == USBD_STALLED) {
970 sc->sc_refcnt++;
971 usbd_clear_endpoint_stall_async(sc->sc_pipe_tx);
972 if (--sc->sc_refcnt < 0)
973 usb_detach_wakeup(USBDEV(sc->sc_dev));
974 }
975 splx(s);
976 return;
977 }
978
979 ifp->if_opackets++;
980
981 m_freem(c->url_mbuf);
982 c->url_mbuf = NULL;
983
984 if (IFQ_IS_EMPTY(&ifp->if_snd) == 0)
985 url_start(ifp);
986
987 splx(s);
988 }
989
990 Static void
991 url_rxeof(usbd_xfer_handle xfer, usbd_private_handle priv, usbd_status status)
992 {
993 struct url_chain *c = priv;
994 struct url_softc *sc = c->url_sc;
995 struct ifnet *ifp = GET_IFP(sc);
996 struct mbuf *m;
997 u_int32_t total_len;
998 url_rxhdr_t rxhdr;
999 int s;
1000
1001 DPRINTF(("%s: %s: enter\n", USBDEVNAME(sc->sc_dev),__func__));
1002
1003 if (sc->sc_dying)
1004 return;
1005
1006 if (status != USBD_NORMAL_COMPLETION) {
1007 if (status == USBD_NOT_STARTED || status == USBD_CANCELLED)
1008 return;
1009 sc->sc_rx_errs++;
1010 if (usbd_ratecheck(&sc->sc_rx_notice)) {
1011 printf("%s: %u usb errors on rx: %s\n",
1012 USBDEVNAME(sc->sc_dev), sc->sc_rx_errs,
1013 usbd_errstr(status));
1014 sc->sc_rx_errs = 0;
1015 }
1016 if (status == USBD_STALLED) {
1017 sc->sc_refcnt++;
1018 usbd_clear_endpoint_stall_async(sc->sc_pipe_rx);
1019 if (--sc->sc_refcnt < 0)
1020 usb_detach_wakeup(USBDEV(sc->sc_dev));
1021 }
1022 goto done;
1023 }
1024
1025 usbd_get_xfer_status(xfer, NULL, NULL, &total_len, NULL);
1026
1027 memcpy(mtod(c->url_mbuf, char *), c->url_buf, total_len);
1028
1029 if (total_len <= ETHER_CRC_LEN) {
1030 ifp->if_ierrors++;
1031 goto done;
1032 }
1033
1034 memcpy(&rxhdr, c->url_buf + total_len - ETHER_CRC_LEN, sizeof(rxhdr));
1035
1036 DPRINTF(("%s: RX Status: %dbytes%s%s%s%s packets\n",
1037 USBDEVNAME(sc->sc_dev),
1038 UGETW(rxhdr) & URL_RXHDR_BYTEC_MASK,
1039 UGETW(rxhdr) & URL_RXHDR_VALID_MASK ? ", Valid" : "",
1040 UGETW(rxhdr) & URL_RXHDR_RUNTPKT_MASK ? ", Runt" : "",
1041 UGETW(rxhdr) & URL_RXHDR_PHYPKT_MASK ? ", Physical match" : "",
1042 UGETW(rxhdr) & URL_RXHDR_MCASTPKT_MASK ? ", Multicast" : ""));
1043
1044 if ((UGETW(rxhdr) & URL_RXHDR_VALID_MASK) == 0) {
1045 ifp->if_ierrors++;
1046 goto done;
1047 }
1048
1049 ifp->if_ipackets++;
1050 total_len -= ETHER_CRC_LEN;
1051
1052 m = c->url_mbuf;
1053 m->m_pkthdr.len = m->m_len = total_len;
1054 m->m_pkthdr.rcvif = ifp;
1055
1056 s = splnet();
1057
1058 if (url_newbuf(sc, c, NULL) == ENOBUFS) {
1059 ifp->if_ierrors++;
1060 goto done1;
1061 }
1062
1063 #if NBPFILTER > 0
1064 if (ifp->if_bpf)
1065 BPF_MTAP(ifp, m);
1066 #endif
1067
1068 DPRINTF(("%s: %s: deliver %d\n", USBDEVNAME(sc->sc_dev),
1069 __func__, m->m_len));
1070 IF_INPUT(ifp, m);
1071
1072 done1:
1073 splx(s);
1074
1075 done:
1076 /* Setup new transfer */
1077 usbd_setup_xfer(xfer, sc->sc_pipe_rx, c, c->url_buf, URL_BUFSZ,
1078 USBD_SHORT_XFER_OK | USBD_NO_COPY,
1079 USBD_NO_TIMEOUT, url_rxeof);
1080 sc->sc_refcnt++;
1081 usbd_transfer(xfer);
1082 if (--sc->sc_refcnt < 0)
1083 usb_detach_wakeup(USBDEV(sc->sc_dev));
1084
1085 DPRINTF(("%s: %s: start rx\n", USBDEVNAME(sc->sc_dev), __func__));
1086 }
1087
1088 #if 0
1089 Static void url_intr()
1090 {
1091 }
1092 #endif
1093
1094 Static int
1095 url_ioctl(struct ifnet *ifp, u_long cmd, caddr_t data)
1096 {
1097 struct url_softc *sc = ifp->if_softc;
1098 struct ifreq *ifr = (struct ifreq *)data;
1099 struct mii_data *mii;
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 switch (cmd) {
1110 case SIOCGIFMEDIA:
1111 case SIOCSIFMEDIA:
1112 mii = GET_MII(sc);
1113 error = ifmedia_ioctl(ifp, ifr, &mii->mii_media, cmd);
1114 break;
1115
1116 default:
1117 error = ether_ioctl(ifp, cmd, data);
1118 if (error == ENETRESET) {
1119 if (ifp->if_flags & IFF_RUNNING)
1120 url_setmulti(sc);
1121 error = 0;
1122 }
1123 break;
1124 }
1125
1126 splx(s);
1127
1128 return (error);
1129 }
1130
1131 Static void
1132 url_watchdog(struct ifnet *ifp)
1133 {
1134 struct url_softc *sc = ifp->if_softc;
1135 struct url_chain *c;
1136 usbd_status stat;
1137 int s;
1138
1139 DPRINTF(("%s: %s: enter\n", USBDEVNAME(sc->sc_dev), __func__));
1140
1141 ifp->if_oerrors++;
1142 printf("%s: watchdog timeout\n", USBDEVNAME(sc->sc_dev));
1143
1144 s = splusb();
1145 c = &sc->sc_cdata.url_tx_chain[0];
1146 usbd_get_xfer_status(c->url_xfer, NULL, NULL, NULL, &stat);
1147 url_txeof(c->url_xfer, c, stat);
1148
1149 if (IFQ_IS_EMPTY(&ifp->if_snd) == 0)
1150 url_start(ifp);
1151 splx(s);
1152 }
1153
1154 Static void
1155 url_stop_task(struct url_softc *sc)
1156 {
1157 url_stop(GET_IFP(sc), 1);
1158 }
1159
1160 /* Stop the adapter and free any mbufs allocated to the RX and TX lists. */
1161 Static void
1162 url_stop(struct ifnet *ifp, int disable)
1163 {
1164 struct url_softc *sc = ifp->if_softc;
1165 usbd_status err;
1166 int i;
1167
1168 DPRINTF(("%s: %s: enter\n", USBDEVNAME(sc->sc_dev), __func__));
1169
1170 ifp->if_timer = 0;
1171
1172 url_reset(sc);
1173
1174 usb_uncallout(sc->sc_stat_ch, url_tick, sc);
1175
1176 /* Stop transfers */
1177 /* RX endpoint */
1178 if (sc->sc_pipe_rx != NULL) {
1179 err = usbd_abort_pipe(sc->sc_pipe_rx);
1180 if (err)
1181 printf("%s: abort rx pipe failed: %s\n",
1182 USBDEVNAME(sc->sc_dev), usbd_errstr(err));
1183 err = usbd_close_pipe(sc->sc_pipe_rx);
1184 if (err)
1185 printf("%s: close rx pipe failed: %s\n",
1186 USBDEVNAME(sc->sc_dev), usbd_errstr(err));
1187 sc->sc_pipe_rx = NULL;
1188 }
1189
1190 /* TX endpoint */
1191 if (sc->sc_pipe_tx != NULL) {
1192 err = usbd_abort_pipe(sc->sc_pipe_tx);
1193 if (err)
1194 printf("%s: abort tx pipe failed: %s\n",
1195 USBDEVNAME(sc->sc_dev), usbd_errstr(err));
1196 err = usbd_close_pipe(sc->sc_pipe_tx);
1197 if (err)
1198 printf("%s: close tx pipe failed: %s\n",
1199 USBDEVNAME(sc->sc_dev), usbd_errstr(err));
1200 sc->sc_pipe_tx = NULL;
1201 }
1202
1203 #if 0
1204 /* XXX: Interrupt endpoint is not yet supported!! */
1205 /* Interrupt endpoint */
1206 if (sc->sc_pipe_intr != NULL) {
1207 err = usbd_abort_pipe(sc->sc_pipe_intr);
1208 if (err)
1209 printf("%s: abort intr pipe failed: %s\n",
1210 USBDEVNAME(sc->sc_dev), usbd_errstr(err));
1211 err = usbd_close_pipe(sc->sc_pipe_intr);
1212 if (err)
1213 printf("%s: close intr pipe failed: %s\n",
1214 USBDEVNAME(sc->sc_dev), usbd_errstr(err));
1215 sc->sc_pipe_intr = NULL;
1216 }
1217 #endif
1218
1219 /* Free RX resources. */
1220 for (i = 0; i < URL_RX_LIST_CNT; i++) {
1221 if (sc->sc_cdata.url_rx_chain[i].url_mbuf != NULL) {
1222 m_freem(sc->sc_cdata.url_rx_chain[i].url_mbuf);
1223 sc->sc_cdata.url_rx_chain[i].url_mbuf = NULL;
1224 }
1225 if (sc->sc_cdata.url_rx_chain[i].url_xfer != NULL) {
1226 usbd_free_xfer(sc->sc_cdata.url_rx_chain[i].url_xfer);
1227 sc->sc_cdata.url_rx_chain[i].url_xfer = NULL;
1228 }
1229 }
1230
1231 /* Free TX resources. */
1232 for (i = 0; i < URL_TX_LIST_CNT; i++) {
1233 if (sc->sc_cdata.url_tx_chain[i].url_mbuf != NULL) {
1234 m_freem(sc->sc_cdata.url_tx_chain[i].url_mbuf);
1235 sc->sc_cdata.url_tx_chain[i].url_mbuf = NULL;
1236 }
1237 if (sc->sc_cdata.url_tx_chain[i].url_xfer != NULL) {
1238 usbd_free_xfer(sc->sc_cdata.url_tx_chain[i].url_xfer);
1239 sc->sc_cdata.url_tx_chain[i].url_xfer = NULL;
1240 }
1241 }
1242
1243 sc->sc_link = 0;
1244 ifp->if_flags &= ~(IFF_RUNNING | IFF_OACTIVE);
1245 }
1246
1247 /* Set media options */
1248 Static int
1249 url_ifmedia_change(struct ifnet *ifp)
1250 {
1251 struct url_softc *sc = ifp->if_softc;
1252 struct mii_data *mii = GET_MII(sc);
1253
1254 DPRINTF(("%s: %s: enter\n", USBDEVNAME(sc->sc_dev), __func__));
1255
1256 if (sc->sc_dying)
1257 return (0);
1258
1259 sc->sc_link = 0;
1260 if (mii->mii_instance) {
1261 struct mii_softc *miisc;
1262 for (miisc = LIST_FIRST(&mii->mii_phys); miisc != NULL;
1263 miisc = LIST_NEXT(miisc, mii_list))
1264 mii_phy_reset(miisc);
1265 }
1266
1267 return (mii_mediachg(mii));
1268 }
1269
1270 /* Report current media status. */
1271 Static void
1272 url_ifmedia_status(struct ifnet *ifp, struct ifmediareq *ifmr)
1273 {
1274 struct url_softc *sc = ifp->if_softc;
1275 struct mii_data *mii = GET_MII(sc);
1276
1277 DPRINTF(("%s: %s: enter\n", USBDEVNAME(sc->sc_dev), __func__));
1278
1279 if (sc->sc_dying)
1280 return;
1281
1282 if ((ifp->if_flags & IFF_RUNNING) == 0) {
1283 ifmr->ifm_active = IFM_ETHER | IFM_NONE;
1284 ifmr->ifm_status = 0;
1285 return;
1286 }
1287
1288 mii_pollstat(mii);
1289 ifmr->ifm_active = mii->mii_media_active;
1290 ifmr->ifm_status = mii->mii_media_status;
1291 }
1292
1293 Static void
1294 url_tick(void *xsc)
1295 {
1296 struct url_softc *sc = xsc;
1297
1298 if (sc == NULL)
1299 return;
1300
1301 DPRINTFN(0xff, ("%s: %s: enter\n", USBDEVNAME(sc->sc_dev),
1302 __func__));
1303
1304 if (sc->sc_dying)
1305 return;
1306
1307 /* Perform periodic stuff in process context */
1308 usb_add_task(sc->sc_udev, &sc->sc_tick_task);
1309 }
1310
1311 Static void
1312 url_tick_task(void *xsc)
1313 {
1314 struct url_softc *sc = xsc;
1315 struct ifnet *ifp;
1316 struct mii_data *mii;
1317 int s;
1318
1319 if (sc == NULL)
1320 return;
1321
1322 DPRINTFN(0xff, ("%s: %s: enter\n", USBDEVNAME(sc->sc_dev),
1323 __func__));
1324
1325 if (sc->sc_dying)
1326 return;
1327
1328 ifp = GET_IFP(sc);
1329 mii = GET_MII(sc);
1330
1331 if (mii == NULL)
1332 return;
1333
1334 s = splnet();
1335
1336 mii_tick(mii);
1337 if (!sc->sc_link) {
1338 mii_pollstat(mii);
1339 if (mii->mii_media_status & IFM_ACTIVE &&
1340 IFM_SUBTYPE(mii->mii_media_active) != IFM_NONE) {
1341 DPRINTF(("%s: %s: got link\n",
1342 USBDEVNAME(sc->sc_dev), __func__));
1343 sc->sc_link++;
1344 if (IFQ_IS_EMPTY(&ifp->if_snd) == 0)
1345 url_start(ifp);
1346 }
1347 }
1348
1349 usb_callout(sc->sc_stat_ch, hz, url_tick, sc);
1350
1351 splx(s);
1352 }
1353
1354 /* Get exclusive access to the MII registers */
1355 Static void
1356 url_lock_mii(struct url_softc *sc)
1357 {
1358 DPRINTFN(0xff, ("%s: %s: enter\n", USBDEVNAME(sc->sc_dev),
1359 __func__));
1360
1361 sc->sc_refcnt++;
1362 lockmgr(&sc->sc_mii_lock, LK_EXCLUSIVE, NULL);
1363 }
1364
1365 Static void
1366 url_unlock_mii(struct url_softc *sc)
1367 {
1368 DPRINTFN(0xff, ("%s: %s: enter\n", USBDEVNAME(sc->sc_dev),
1369 __func__));
1370
1371 lockmgr(&sc->sc_mii_lock, LK_RELEASE, NULL);
1372 if (--sc->sc_refcnt < 0)
1373 usb_detach_wakeup(USBDEV(sc->sc_dev));
1374 }
1375
1376 Static int
1377 url_int_miibus_readreg(device_ptr_t dev, int phy, int reg)
1378 {
1379 struct url_softc *sc;
1380 u_int16_t val;
1381
1382 if (dev == NULL)
1383 return (0);
1384
1385 sc = USBGETSOFTC(dev);
1386
1387 DPRINTFN(0xff, ("%s: %s: enter, phy=%d reg=0x%04x\n",
1388 USBDEVNAME(sc->sc_dev), __func__, phy, reg));
1389
1390 if (sc->sc_dying) {
1391 #ifdef DIAGNOSTIC
1392 printf("%s: %s: dying\n", USBDEVNAME(sc->sc_dev),
1393 __func__);
1394 #endif
1395 return (0);
1396 }
1397
1398 /* XXX: one PHY only for the RTL8150 internal PHY */
1399 if (phy != 0) {
1400 DPRINTFN(0xff, ("%s: %s: phy=%d is not supported\n",
1401 USBDEVNAME(sc->sc_dev), __func__, phy));
1402 return (0);
1403 }
1404
1405 url_lock_mii(sc);
1406
1407 switch (reg) {
1408 case MII_BMCR: /* Control Register */
1409 reg = URL_BMCR;
1410 break;
1411 case MII_BMSR: /* Status Register */
1412 reg = URL_BMSR;
1413 break;
1414 case MII_PHYIDR1:
1415 case MII_PHYIDR2:
1416 val = 0;
1417 goto R_DONE;
1418 break;
1419 case MII_ANAR: /* Autonegotiation advertisement */
1420 reg = URL_ANAR;
1421 break;
1422 case MII_ANLPAR: /* Autonegotiation link partner abilities */
1423 reg = URL_ANLP;
1424 break;
1425 case URLPHY_MSR: /* Media Status Register */
1426 reg = URL_MSR;
1427 break;
1428 default:
1429 printf("%s: %s: bad register %04x\n",
1430 USBDEVNAME(sc->sc_dev), __func__, reg);
1431 val = 0;
1432 goto R_DONE;
1433 break;
1434 }
1435
1436 if (reg == URL_MSR)
1437 val = url_csr_read_1(sc, reg);
1438 else
1439 val = url_csr_read_2(sc, reg);
1440
1441 R_DONE:
1442 DPRINTFN(0xff, ("%s: %s: phy=%d reg=0x%04x => 0x%04x\n",
1443 USBDEVNAME(sc->sc_dev), __func__, phy, reg, val));
1444
1445 url_unlock_mii(sc);
1446 return (val);
1447 }
1448
1449 Static void
1450 url_int_miibus_writereg(device_ptr_t dev, int phy, int reg, int data)
1451 {
1452 struct url_softc *sc;
1453
1454 if (dev == NULL)
1455 return;
1456
1457 sc = USBGETSOFTC(dev);
1458
1459 DPRINTFN(0xff, ("%s: %s: enter, phy=%d reg=0x%04x data=0x%04x\n",
1460 USBDEVNAME(sc->sc_dev), __func__, phy, reg, data));
1461
1462 if (sc->sc_dying) {
1463 #ifdef DIAGNOSTIC
1464 printf("%s: %s: dying\n", USBDEVNAME(sc->sc_dev),
1465 __func__);
1466 #endif
1467 return;
1468 }
1469
1470 /* XXX: one PHY only for the RTL8150 internal PHY */
1471 if (phy != 0) {
1472 DPRINTFN(0xff, ("%s: %s: phy=%d is not supported\n",
1473 USBDEVNAME(sc->sc_dev), __func__, phy));
1474 return;
1475 }
1476
1477 url_lock_mii(sc);
1478
1479 switch (reg) {
1480 case MII_BMCR: /* Control Register */
1481 reg = URL_BMCR;
1482 break;
1483 case MII_BMSR: /* Status Register */
1484 reg = URL_BMSR;
1485 break;
1486 case MII_PHYIDR1:
1487 case MII_PHYIDR2:
1488 goto W_DONE;
1489 break;
1490 case MII_ANAR: /* Autonegotiation advertisement */
1491 reg = URL_ANAR;
1492 break;
1493 case MII_ANLPAR: /* Autonegotiation link partner abilities */
1494 reg = URL_ANLP;
1495 break;
1496 case URLPHY_MSR: /* Media Status Register */
1497 reg = URL_MSR;
1498 break;
1499 default:
1500 printf("%s: %s: bad register %04x\n",
1501 USBDEVNAME(sc->sc_dev), __func__, reg);
1502 goto W_DONE;
1503 break;
1504 }
1505
1506 if (reg == URL_MSR)
1507 url_csr_write_1(sc, reg, data);
1508 else
1509 url_csr_write_2(sc, reg, data);
1510 W_DONE:
1511
1512 url_unlock_mii(sc);
1513 return;
1514 }
1515
1516 Static void
1517 url_miibus_statchg(device_ptr_t dev)
1518 {
1519 #ifdef URL_DEBUG
1520 struct url_softc *sc;
1521
1522 if (dev == NULL)
1523 return;
1524
1525 sc = USBGETSOFTC(dev);
1526 DPRINTF(("%s: %s: enter\n", USBDEVNAME(sc->sc_dev), __func__));
1527 #endif
1528 /* Nothing to do */
1529 }
1530
1531 #if 0
1532 /*
1533 * external PHYs support, but not test.
1534 */
1535 Static int
1536 url_ext_miibus_redreg(device_ptr_t dev, int phy, int reg)
1537 {
1538 struct url_softc *sc = USBGETSOFTC(dev);
1539 u_int16_t val;
1540
1541 DPRINTF(("%s: %s: enter, phy=%d reg=0x%04x\n",
1542 USBDEVNAME(sc->sc_dev), __func__, phy, reg));
1543
1544 if (sc->sc_dying) {
1545 #ifdef DIAGNOSTIC
1546 printf("%s: %s: dying\n", USBDEVNAME(sc->sc_dev),
1547 __func__);
1548 #endif
1549 return (0);
1550 }
1551
1552 url_lock_mii(sc);
1553
1554 url_csr_write_1(sc, URL_PHYADD, phy & URL_PHYADD_MASK);
1555 /*
1556 * RTL8150L will initiate a MII management data transaction
1557 * if PHYCNT_OWN bit is set 1 by software. After transaction,
1558 * this bit is auto cleared by TRL8150L.
1559 */
1560 url_csr_write_1(sc, URL_PHYCNT,
1561 (reg | URL_PHYCNT_PHYOWN) & ~URL_PHYCNT_RWCR);
1562 for (i = 0; i < URL_TIMEOUT; i++) {
1563 if ((url_csr_read_1(sc, URL_PHYCNT) & URL_PHYCNT_PHYOWN) == 0)
1564 break;
1565 }
1566 if (i == URL_TIMEOUT) {
1567 printf("%s: MII read timed out\n", USBDEVNAME(sc->sc_dev));
1568 }
1569
1570 val = url_csr_read_2(sc, URL_PHYDAT);
1571
1572 DPRINTF(("%s: %s: phy=%d reg=0x%04x => 0x%04x\n",
1573 USBDEVNAME(sc->sc_dev), __func__, phy, reg, val));
1574
1575 url_unlock_mii(sc);
1576 return (val);
1577 }
1578
1579 Static void
1580 url_ext_miibus_writereg(device_ptr_t dev, int phy, int reg, int data)
1581 {
1582 struct url_softc *sc = USBGETSOFTC(dev);
1583
1584 DPRINTF(("%s: %s: enter, phy=%d reg=0x%04x data=0x%04x\n",
1585 USBDEVNAME(sc->sc_dev), __func__, phy, reg, data));
1586
1587 if (sc->sc_dying) {
1588 #ifdef DIAGNOSTIC
1589 printf("%s: %s: dying\n", USBDEVNAME(sc->sc_dev),
1590 __func__);
1591 #endif
1592 return;
1593 }
1594
1595 url_lock_mii(sc);
1596
1597 url_csr_write_2(sc, URL_PHYDAT, data);
1598 url_csr_write_1(sc, URL_PHYADD, phy);
1599 url_csr_write_1(sc, URL_PHYCNT, reg | URL_PHYCNT_RWCR); /* Write */
1600
1601 for (i=0; i < URL_TIMEOUT; i++) {
1602 if (url_csr_read_1(sc, URL_PHYCNT) & URL_PHYCNT_PHYOWN)
1603 break;
1604 }
1605
1606 if (i == URL_TIMEOUT) {
1607 printf("%s: MII write timed out\n",
1608 USBDEVNAME(sc->sc_dev));
1609 }
1610
1611 url_unlock_mii(sc);
1612 return;
1613 }
1614 #endif
1615
1616