if_url.c revision 1.24.10.1 1 /* $NetBSD: if_url.c,v 1.24.10.1 2007/05/22 14:57:38 itohy 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 1.24.10.1 2007/05/22 14:57:38 itohy 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, 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 sc->sc_pipe_rx);
815 if (c->url_xfer == NULL)
816 return (ENOBUFS);
817 c->url_buf = usbd_alloc_buffer(c->url_xfer, URL_BUFSZ);
818 if (c->url_buf == NULL) {
819 usbd_free_xfer(c->url_xfer);
820 return (ENOBUFS);
821 }
822 }
823 }
824
825 return (0);
826 }
827
828 Static int
829 url_tx_list_init(struct url_softc *sc)
830 {
831 struct url_cdata *cd;
832 struct url_chain *c;
833 int i;
834
835 DPRINTF(("%s: %s: enter\n", USBDEVNAME(sc->sc_dev), __func__));
836
837 cd = &sc->sc_cdata;
838 for (i = 0; i < URL_TX_LIST_CNT; i++) {
839 c = &cd->url_tx_chain[i];
840 c->url_sc = sc;
841 c->url_idx = i;
842 c->url_mbuf = NULL;
843 if (c->url_xfer == NULL) {
844 c->url_xfer = usbd_alloc_xfer(sc->sc_udev,
845 sc->sc_pipe_tx);
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 __func__, 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),__func__));
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 memset(c->url_buf + total_len, 0,
917 URL_MIN_FRAME_LEN - total_len);
918 total_len = URL_MIN_FRAME_LEN;
919 }
920 usbd_setup_xfer(c->url_xfer, sc->sc_pipe_tx, c, c->url_buf, total_len,
921 USBD_FORCE_SHORT_XFER | USBD_NO_COPY,
922 URL_TX_TIMEOUT, url_txeof);
923
924 /* Transmit */
925 sc->sc_refcnt++;
926 err = usbd_transfer(c->url_xfer);
927 if (--sc->sc_refcnt < 0)
928 usb_detach_wakeup(USBDEV(sc->sc_dev));
929 if (err != USBD_IN_PROGRESS) {
930 printf("%s: url_send error=%s\n", USBDEVNAME(sc->sc_dev),
931 usbd_errstr(err));
932 /* Stop the interface */
933 usb_add_task(sc->sc_udev, &sc->sc_stop_task,
934 USB_TASKQ_DRIVER);
935 return (EIO);
936 }
937
938 DPRINTF(("%s: %s: send %d bytes\n", USBDEVNAME(sc->sc_dev),
939 __func__, total_len));
940
941 sc->sc_cdata.url_tx_cnt++;
942
943 return (0);
944 }
945
946 Static void
947 url_txeof(usbd_xfer_handle xfer, usbd_private_handle priv,
948 usbd_status status)
949 {
950 struct url_chain *c = priv;
951 struct url_softc *sc = c->url_sc;
952 struct ifnet *ifp = GET_IFP(sc);
953 int s;
954
955 if (sc->sc_dying)
956 return;
957
958 s = splnet();
959
960 DPRINTF(("%s: %s: enter\n", USBDEVNAME(sc->sc_dev), __func__));
961
962 ifp->if_timer = 0;
963 ifp->if_flags &= ~IFF_OACTIVE;
964
965 if (status != USBD_NORMAL_COMPLETION) {
966 if (status == USBD_NOT_STARTED || status == USBD_CANCELLED) {
967 splx(s);
968 return;
969 }
970 ifp->if_oerrors++;
971 printf("%s: usb error on tx: %s\n", USBDEVNAME(sc->sc_dev),
972 usbd_errstr(status));
973 if (status == USBD_STALLED) {
974 sc->sc_refcnt++;
975 usbd_clear_endpoint_stall_async(sc->sc_pipe_tx);
976 if (--sc->sc_refcnt < 0)
977 usb_detach_wakeup(USBDEV(sc->sc_dev));
978 }
979 splx(s);
980 return;
981 }
982
983 ifp->if_opackets++;
984
985 m_freem(c->url_mbuf);
986 c->url_mbuf = NULL;
987
988 if (IFQ_IS_EMPTY(&ifp->if_snd) == 0)
989 url_start(ifp);
990
991 splx(s);
992 }
993
994 Static void
995 url_rxeof(usbd_xfer_handle xfer, usbd_private_handle priv, usbd_status status)
996 {
997 struct url_chain *c = priv;
998 struct url_softc *sc = c->url_sc;
999 struct ifnet *ifp = GET_IFP(sc);
1000 struct mbuf *m;
1001 u_int32_t total_len;
1002 url_rxhdr_t rxhdr;
1003 int s;
1004
1005 DPRINTF(("%s: %s: enter\n", USBDEVNAME(sc->sc_dev),__func__));
1006
1007 if (sc->sc_dying)
1008 return;
1009
1010 if (status != USBD_NORMAL_COMPLETION) {
1011 if (status == USBD_NOT_STARTED || status == USBD_CANCELLED)
1012 return;
1013 sc->sc_rx_errs++;
1014 if (usbd_ratecheck(&sc->sc_rx_notice)) {
1015 printf("%s: %u usb errors on rx: %s\n",
1016 USBDEVNAME(sc->sc_dev), sc->sc_rx_errs,
1017 usbd_errstr(status));
1018 sc->sc_rx_errs = 0;
1019 }
1020 if (status == USBD_STALLED) {
1021 sc->sc_refcnt++;
1022 usbd_clear_endpoint_stall_async(sc->sc_pipe_rx);
1023 if (--sc->sc_refcnt < 0)
1024 usb_detach_wakeup(USBDEV(sc->sc_dev));
1025 }
1026 goto done;
1027 }
1028
1029 usbd_get_xfer_status(xfer, NULL, NULL, &total_len, NULL);
1030
1031 memcpy(mtod(c->url_mbuf, char *), c->url_buf, total_len);
1032
1033 if (total_len <= ETHER_CRC_LEN) {
1034 ifp->if_ierrors++;
1035 goto done;
1036 }
1037
1038 memcpy(&rxhdr, c->url_buf + total_len - ETHER_CRC_LEN, sizeof(rxhdr));
1039
1040 DPRINTF(("%s: RX Status: %dbytes%s%s%s%s packets\n",
1041 USBDEVNAME(sc->sc_dev),
1042 UGETW(rxhdr) & URL_RXHDR_BYTEC_MASK,
1043 UGETW(rxhdr) & URL_RXHDR_VALID_MASK ? ", Valid" : "",
1044 UGETW(rxhdr) & URL_RXHDR_RUNTPKT_MASK ? ", Runt" : "",
1045 UGETW(rxhdr) & URL_RXHDR_PHYPKT_MASK ? ", Physical match" : "",
1046 UGETW(rxhdr) & URL_RXHDR_MCASTPKT_MASK ? ", Multicast" : ""));
1047
1048 if ((UGETW(rxhdr) & URL_RXHDR_VALID_MASK) == 0) {
1049 ifp->if_ierrors++;
1050 goto done;
1051 }
1052
1053 ifp->if_ipackets++;
1054 total_len -= ETHER_CRC_LEN;
1055
1056 m = c->url_mbuf;
1057 m->m_pkthdr.len = m->m_len = total_len;
1058 m->m_pkthdr.rcvif = ifp;
1059
1060 s = splnet();
1061
1062 if (url_newbuf(sc, c, NULL) == ENOBUFS) {
1063 ifp->if_ierrors++;
1064 goto done1;
1065 }
1066
1067 #if NBPFILTER > 0
1068 if (ifp->if_bpf)
1069 BPF_MTAP(ifp, m);
1070 #endif
1071
1072 DPRINTF(("%s: %s: deliver %d\n", USBDEVNAME(sc->sc_dev),
1073 __func__, m->m_len));
1074 IF_INPUT(ifp, m);
1075
1076 done1:
1077 splx(s);
1078
1079 done:
1080 /* Setup new transfer */
1081 usbd_setup_xfer(xfer, sc->sc_pipe_rx, c, c->url_buf, URL_BUFSZ,
1082 USBD_SHORT_XFER_OK | USBD_NO_COPY,
1083 USBD_NO_TIMEOUT, url_rxeof);
1084 sc->sc_refcnt++;
1085 usbd_transfer(xfer);
1086 if (--sc->sc_refcnt < 0)
1087 usb_detach_wakeup(USBDEV(sc->sc_dev));
1088
1089 DPRINTF(("%s: %s: start rx\n", USBDEVNAME(sc->sc_dev), __func__));
1090 }
1091
1092 #if 0
1093 Static void url_intr()
1094 {
1095 }
1096 #endif
1097
1098 Static int
1099 url_ioctl(struct ifnet *ifp, u_long cmd, caddr_t data)
1100 {
1101 struct url_softc *sc = ifp->if_softc;
1102 struct ifreq *ifr = (struct ifreq *)data;
1103 struct mii_data *mii;
1104 int s, error = 0;
1105
1106 DPRINTF(("%s: %s: enter\n", USBDEVNAME(sc->sc_dev), __func__));
1107
1108 if (sc->sc_dying)
1109 return (EIO);
1110
1111 s = splnet();
1112
1113 switch (cmd) {
1114 case SIOCGIFMEDIA:
1115 case SIOCSIFMEDIA:
1116 mii = GET_MII(sc);
1117 error = ifmedia_ioctl(ifp, ifr, &mii->mii_media, cmd);
1118 break;
1119
1120 default:
1121 error = ether_ioctl(ifp, cmd, data);
1122 if (error == ENETRESET) {
1123 if (ifp->if_flags & IFF_RUNNING)
1124 url_setmulti(sc);
1125 error = 0;
1126 }
1127 break;
1128 }
1129
1130 splx(s);
1131
1132 return (error);
1133 }
1134
1135 Static void
1136 url_watchdog(struct ifnet *ifp)
1137 {
1138 struct url_softc *sc = ifp->if_softc;
1139 struct url_chain *c;
1140 usbd_status stat;
1141 int s;
1142
1143 DPRINTF(("%s: %s: enter\n", USBDEVNAME(sc->sc_dev), __func__));
1144
1145 ifp->if_oerrors++;
1146 printf("%s: watchdog timeout\n", USBDEVNAME(sc->sc_dev));
1147
1148 s = splusb();
1149 c = &sc->sc_cdata.url_tx_chain[0];
1150 usbd_get_xfer_status(c->url_xfer, NULL, NULL, NULL, &stat);
1151 url_txeof(c->url_xfer, c, stat);
1152
1153 if (IFQ_IS_EMPTY(&ifp->if_snd) == 0)
1154 url_start(ifp);
1155 splx(s);
1156 }
1157
1158 Static void
1159 url_stop_task(struct url_softc *sc)
1160 {
1161 url_stop(GET_IFP(sc), 1);
1162 }
1163
1164 /* Stop the adapter and free any mbufs allocated to the RX and TX lists. */
1165 Static void
1166 url_stop(struct ifnet *ifp, int disable)
1167 {
1168 struct url_softc *sc = ifp->if_softc;
1169 usbd_status err;
1170 int i;
1171
1172 DPRINTF(("%s: %s: enter\n", USBDEVNAME(sc->sc_dev), __func__));
1173
1174 ifp->if_timer = 0;
1175
1176 url_reset(sc);
1177
1178 usb_uncallout(sc->sc_stat_ch, url_tick, sc);
1179
1180 /* Stop transfers */
1181 /* RX endpoint */
1182 if (sc->sc_pipe_rx != NULL) {
1183 err = usbd_abort_pipe(sc->sc_pipe_rx);
1184 if (err)
1185 printf("%s: abort rx pipe failed: %s\n",
1186 USBDEVNAME(sc->sc_dev), usbd_errstr(err));
1187 err = usbd_close_pipe(sc->sc_pipe_rx);
1188 if (err)
1189 printf("%s: close rx pipe failed: %s\n",
1190 USBDEVNAME(sc->sc_dev), usbd_errstr(err));
1191 sc->sc_pipe_rx = NULL;
1192 }
1193
1194 /* TX endpoint */
1195 if (sc->sc_pipe_tx != NULL) {
1196 err = usbd_abort_pipe(sc->sc_pipe_tx);
1197 if (err)
1198 printf("%s: abort tx pipe failed: %s\n",
1199 USBDEVNAME(sc->sc_dev), usbd_errstr(err));
1200 err = usbd_close_pipe(sc->sc_pipe_tx);
1201 if (err)
1202 printf("%s: close tx pipe failed: %s\n",
1203 USBDEVNAME(sc->sc_dev), usbd_errstr(err));
1204 sc->sc_pipe_tx = NULL;
1205 }
1206
1207 #if 0
1208 /* XXX: Interrupt endpoint is not yet supported!! */
1209 /* Interrupt endpoint */
1210 if (sc->sc_pipe_intr != NULL) {
1211 err = usbd_abort_pipe(sc->sc_pipe_intr);
1212 if (err)
1213 printf("%s: abort intr pipe failed: %s\n",
1214 USBDEVNAME(sc->sc_dev), usbd_errstr(err));
1215 err = usbd_close_pipe(sc->sc_pipe_intr);
1216 if (err)
1217 printf("%s: close intr pipe failed: %s\n",
1218 USBDEVNAME(sc->sc_dev), usbd_errstr(err));
1219 sc->sc_pipe_intr = NULL;
1220 }
1221 #endif
1222
1223 /* Free RX resources. */
1224 for (i = 0; i < URL_RX_LIST_CNT; i++) {
1225 if (sc->sc_cdata.url_rx_chain[i].url_mbuf != NULL) {
1226 m_freem(sc->sc_cdata.url_rx_chain[i].url_mbuf);
1227 sc->sc_cdata.url_rx_chain[i].url_mbuf = NULL;
1228 }
1229 if (sc->sc_cdata.url_rx_chain[i].url_xfer != NULL) {
1230 usbd_free_xfer(sc->sc_cdata.url_rx_chain[i].url_xfer);
1231 sc->sc_cdata.url_rx_chain[i].url_xfer = NULL;
1232 }
1233 }
1234
1235 /* Free TX resources. */
1236 for (i = 0; i < URL_TX_LIST_CNT; i++) {
1237 if (sc->sc_cdata.url_tx_chain[i].url_mbuf != NULL) {
1238 m_freem(sc->sc_cdata.url_tx_chain[i].url_mbuf);
1239 sc->sc_cdata.url_tx_chain[i].url_mbuf = NULL;
1240 }
1241 if (sc->sc_cdata.url_tx_chain[i].url_xfer != NULL) {
1242 usbd_free_xfer(sc->sc_cdata.url_tx_chain[i].url_xfer);
1243 sc->sc_cdata.url_tx_chain[i].url_xfer = NULL;
1244 }
1245 }
1246
1247 sc->sc_link = 0;
1248 ifp->if_flags &= ~(IFF_RUNNING | IFF_OACTIVE);
1249 }
1250
1251 /* Set media options */
1252 Static int
1253 url_ifmedia_change(struct ifnet *ifp)
1254 {
1255 struct url_softc *sc = ifp->if_softc;
1256 struct mii_data *mii = GET_MII(sc);
1257
1258 DPRINTF(("%s: %s: enter\n", USBDEVNAME(sc->sc_dev), __func__));
1259
1260 if (sc->sc_dying)
1261 return (0);
1262
1263 sc->sc_link = 0;
1264 if (mii->mii_instance) {
1265 struct mii_softc *miisc;
1266 for (miisc = LIST_FIRST(&mii->mii_phys); miisc != NULL;
1267 miisc = LIST_NEXT(miisc, mii_list))
1268 mii_phy_reset(miisc);
1269 }
1270
1271 return (mii_mediachg(mii));
1272 }
1273
1274 /* Report current media status. */
1275 Static void
1276 url_ifmedia_status(struct ifnet *ifp, struct ifmediareq *ifmr)
1277 {
1278 struct url_softc *sc = ifp->if_softc;
1279 struct mii_data *mii = GET_MII(sc);
1280
1281 DPRINTF(("%s: %s: enter\n", USBDEVNAME(sc->sc_dev), __func__));
1282
1283 if (sc->sc_dying)
1284 return;
1285
1286 if ((ifp->if_flags & IFF_RUNNING) == 0) {
1287 ifmr->ifm_active = IFM_ETHER | IFM_NONE;
1288 ifmr->ifm_status = 0;
1289 return;
1290 }
1291
1292 mii_pollstat(mii);
1293 ifmr->ifm_active = mii->mii_media_active;
1294 ifmr->ifm_status = mii->mii_media_status;
1295 }
1296
1297 Static void
1298 url_tick(void *xsc)
1299 {
1300 struct url_softc *sc = xsc;
1301
1302 if (sc == NULL)
1303 return;
1304
1305 DPRINTFN(0xff, ("%s: %s: enter\n", USBDEVNAME(sc->sc_dev),
1306 __func__));
1307
1308 if (sc->sc_dying)
1309 return;
1310
1311 /* Perform periodic stuff in process context */
1312 usb_add_task(sc->sc_udev, &sc->sc_tick_task, USB_TASKQ_DRIVER);
1313 }
1314
1315 Static void
1316 url_tick_task(void *xsc)
1317 {
1318 struct url_softc *sc = xsc;
1319 struct ifnet *ifp;
1320 struct mii_data *mii;
1321 int s;
1322
1323 if (sc == NULL)
1324 return;
1325
1326 DPRINTFN(0xff, ("%s: %s: enter\n", USBDEVNAME(sc->sc_dev),
1327 __func__));
1328
1329 if (sc->sc_dying)
1330 return;
1331
1332 ifp = GET_IFP(sc);
1333 mii = GET_MII(sc);
1334
1335 if (mii == NULL)
1336 return;
1337
1338 s = splnet();
1339
1340 mii_tick(mii);
1341 if (!sc->sc_link) {
1342 mii_pollstat(mii);
1343 if (mii->mii_media_status & IFM_ACTIVE &&
1344 IFM_SUBTYPE(mii->mii_media_active) != IFM_NONE) {
1345 DPRINTF(("%s: %s: got link\n",
1346 USBDEVNAME(sc->sc_dev), __func__));
1347 sc->sc_link++;
1348 if (IFQ_IS_EMPTY(&ifp->if_snd) == 0)
1349 url_start(ifp);
1350 }
1351 }
1352
1353 usb_callout(sc->sc_stat_ch, hz, url_tick, sc);
1354
1355 splx(s);
1356 }
1357
1358 /* Get exclusive access to the MII registers */
1359 Static void
1360 url_lock_mii(struct url_softc *sc)
1361 {
1362 DPRINTFN(0xff, ("%s: %s: enter\n", USBDEVNAME(sc->sc_dev),
1363 __func__));
1364
1365 sc->sc_refcnt++;
1366 lockmgr(&sc->sc_mii_lock, LK_EXCLUSIVE, NULL);
1367 }
1368
1369 Static void
1370 url_unlock_mii(struct url_softc *sc)
1371 {
1372 DPRINTFN(0xff, ("%s: %s: enter\n", USBDEVNAME(sc->sc_dev),
1373 __func__));
1374
1375 lockmgr(&sc->sc_mii_lock, LK_RELEASE, NULL);
1376 if (--sc->sc_refcnt < 0)
1377 usb_detach_wakeup(USBDEV(sc->sc_dev));
1378 }
1379
1380 Static int
1381 url_int_miibus_readreg(device_ptr_t dev, int phy, int reg)
1382 {
1383 struct url_softc *sc;
1384 u_int16_t val;
1385
1386 if (dev == NULL)
1387 return (0);
1388
1389 sc = USBGETSOFTC(dev);
1390
1391 DPRINTFN(0xff, ("%s: %s: enter, phy=%d reg=0x%04x\n",
1392 USBDEVNAME(sc->sc_dev), __func__, phy, reg));
1393
1394 if (sc->sc_dying) {
1395 #ifdef DIAGNOSTIC
1396 printf("%s: %s: dying\n", USBDEVNAME(sc->sc_dev),
1397 __func__);
1398 #endif
1399 return (0);
1400 }
1401
1402 /* XXX: one PHY only for the RTL8150 internal PHY */
1403 if (phy != 0) {
1404 DPRINTFN(0xff, ("%s: %s: phy=%d is not supported\n",
1405 USBDEVNAME(sc->sc_dev), __func__, phy));
1406 return (0);
1407 }
1408
1409 url_lock_mii(sc);
1410
1411 switch (reg) {
1412 case MII_BMCR: /* Control Register */
1413 reg = URL_BMCR;
1414 break;
1415 case MII_BMSR: /* Status Register */
1416 reg = URL_BMSR;
1417 break;
1418 case MII_PHYIDR1:
1419 case MII_PHYIDR2:
1420 val = 0;
1421 goto R_DONE;
1422 break;
1423 case MII_ANAR: /* Autonegotiation advertisement */
1424 reg = URL_ANAR;
1425 break;
1426 case MII_ANLPAR: /* Autonegotiation link partner abilities */
1427 reg = URL_ANLP;
1428 break;
1429 case URLPHY_MSR: /* Media Status Register */
1430 reg = URL_MSR;
1431 break;
1432 default:
1433 printf("%s: %s: bad register %04x\n",
1434 USBDEVNAME(sc->sc_dev), __func__, reg);
1435 val = 0;
1436 goto R_DONE;
1437 break;
1438 }
1439
1440 if (reg == URL_MSR)
1441 val = url_csr_read_1(sc, reg);
1442 else
1443 val = url_csr_read_2(sc, reg);
1444
1445 R_DONE:
1446 DPRINTFN(0xff, ("%s: %s: phy=%d reg=0x%04x => 0x%04x\n",
1447 USBDEVNAME(sc->sc_dev), __func__, phy, reg, val));
1448
1449 url_unlock_mii(sc);
1450 return (val);
1451 }
1452
1453 Static void
1454 url_int_miibus_writereg(device_ptr_t dev, int phy, int reg, int data)
1455 {
1456 struct url_softc *sc;
1457
1458 if (dev == NULL)
1459 return;
1460
1461 sc = USBGETSOFTC(dev);
1462
1463 DPRINTFN(0xff, ("%s: %s: enter, phy=%d reg=0x%04x data=0x%04x\n",
1464 USBDEVNAME(sc->sc_dev), __func__, phy, reg, data));
1465
1466 if (sc->sc_dying) {
1467 #ifdef DIAGNOSTIC
1468 printf("%s: %s: dying\n", USBDEVNAME(sc->sc_dev),
1469 __func__);
1470 #endif
1471 return;
1472 }
1473
1474 /* XXX: one PHY only for the RTL8150 internal PHY */
1475 if (phy != 0) {
1476 DPRINTFN(0xff, ("%s: %s: phy=%d is not supported\n",
1477 USBDEVNAME(sc->sc_dev), __func__, phy));
1478 return;
1479 }
1480
1481 url_lock_mii(sc);
1482
1483 switch (reg) {
1484 case MII_BMCR: /* Control Register */
1485 reg = URL_BMCR;
1486 break;
1487 case MII_BMSR: /* Status Register */
1488 reg = URL_BMSR;
1489 break;
1490 case MII_PHYIDR1:
1491 case MII_PHYIDR2:
1492 goto W_DONE;
1493 break;
1494 case MII_ANAR: /* Autonegotiation advertisement */
1495 reg = URL_ANAR;
1496 break;
1497 case MII_ANLPAR: /* Autonegotiation link partner abilities */
1498 reg = URL_ANLP;
1499 break;
1500 case URLPHY_MSR: /* Media Status Register */
1501 reg = URL_MSR;
1502 break;
1503 default:
1504 printf("%s: %s: bad register %04x\n",
1505 USBDEVNAME(sc->sc_dev), __func__, reg);
1506 goto W_DONE;
1507 break;
1508 }
1509
1510 if (reg == URL_MSR)
1511 url_csr_write_1(sc, reg, data);
1512 else
1513 url_csr_write_2(sc, reg, data);
1514 W_DONE:
1515
1516 url_unlock_mii(sc);
1517 return;
1518 }
1519
1520 Static void
1521 url_miibus_statchg(device_ptr_t dev)
1522 {
1523 #ifdef URL_DEBUG
1524 struct url_softc *sc;
1525
1526 if (dev == NULL)
1527 return;
1528
1529 sc = USBGETSOFTC(dev);
1530 DPRINTF(("%s: %s: enter\n", USBDEVNAME(sc->sc_dev), __func__));
1531 #endif
1532 /* Nothing to do */
1533 }
1534
1535 #if 0
1536 /*
1537 * external PHYs support, but not test.
1538 */
1539 Static int
1540 url_ext_miibus_redreg(device_ptr_t dev, int phy, int reg)
1541 {
1542 struct url_softc *sc = USBGETSOFTC(dev);
1543 u_int16_t val;
1544
1545 DPRINTF(("%s: %s: enter, phy=%d reg=0x%04x\n",
1546 USBDEVNAME(sc->sc_dev), __func__, phy, reg));
1547
1548 if (sc->sc_dying) {
1549 #ifdef DIAGNOSTIC
1550 printf("%s: %s: dying\n", USBDEVNAME(sc->sc_dev),
1551 __func__);
1552 #endif
1553 return (0);
1554 }
1555
1556 url_lock_mii(sc);
1557
1558 url_csr_write_1(sc, URL_PHYADD, phy & URL_PHYADD_MASK);
1559 /*
1560 * RTL8150L will initiate a MII management data transaction
1561 * if PHYCNT_OWN bit is set 1 by software. After transaction,
1562 * this bit is auto cleared by TRL8150L.
1563 */
1564 url_csr_write_1(sc, URL_PHYCNT,
1565 (reg | URL_PHYCNT_PHYOWN) & ~URL_PHYCNT_RWCR);
1566 for (i = 0; i < URL_TIMEOUT; i++) {
1567 if ((url_csr_read_1(sc, URL_PHYCNT) & URL_PHYCNT_PHYOWN) == 0)
1568 break;
1569 }
1570 if (i == URL_TIMEOUT) {
1571 printf("%s: MII read timed out\n", USBDEVNAME(sc->sc_dev));
1572 }
1573
1574 val = url_csr_read_2(sc, URL_PHYDAT);
1575
1576 DPRINTF(("%s: %s: phy=%d reg=0x%04x => 0x%04x\n",
1577 USBDEVNAME(sc->sc_dev), __func__, phy, reg, val));
1578
1579 url_unlock_mii(sc);
1580 return (val);
1581 }
1582
1583 Static void
1584 url_ext_miibus_writereg(device_ptr_t dev, int phy, int reg, int data)
1585 {
1586 struct url_softc *sc = USBGETSOFTC(dev);
1587
1588 DPRINTF(("%s: %s: enter, phy=%d reg=0x%04x data=0x%04x\n",
1589 USBDEVNAME(sc->sc_dev), __func__, phy, reg, data));
1590
1591 if (sc->sc_dying) {
1592 #ifdef DIAGNOSTIC
1593 printf("%s: %s: dying\n", USBDEVNAME(sc->sc_dev),
1594 __func__);
1595 #endif
1596 return;
1597 }
1598
1599 url_lock_mii(sc);
1600
1601 url_csr_write_2(sc, URL_PHYDAT, data);
1602 url_csr_write_1(sc, URL_PHYADD, phy);
1603 url_csr_write_1(sc, URL_PHYCNT, reg | URL_PHYCNT_RWCR); /* Write */
1604
1605 for (i=0; i < URL_TIMEOUT; i++) {
1606 if (url_csr_read_1(sc, URL_PHYCNT) & URL_PHYCNT_PHYOWN)
1607 break;
1608 }
1609
1610 if (i == URL_TIMEOUT) {
1611 printf("%s: MII write timed out\n",
1612 USBDEVNAME(sc->sc_dev));
1613 }
1614
1615 url_unlock_mii(sc);
1616 return;
1617 }
1618 #endif
1619
1620