if_url.c revision 1.16 1 /* $NetBSD: if_url.c,v 1.16 2005/05/11 10:02:28 augustss 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 1.16 2005/05/11 10:02:28 augustss Exp $");
47
48 #include "opt_inet.h"
49 #include "opt_ns.h"
50 #include "bpfilter.h"
51 #include "rnd.h"
52
53 #include <sys/param.h>
54 #include <sys/systm.h>
55 #include <sys/lock.h>
56 #include <sys/mbuf.h>
57 #include <sys/kernel.h>
58 #include <sys/socket.h>
59
60 #include <sys/device.h>
61 #if NRND > 0
62 #include <sys/rnd.h>
63 #endif
64
65 #include <net/if.h>
66 #include <net/if_arp.h>
67 #include <net/if_dl.h>
68 #include <net/if_media.h>
69
70 #if NBPFILTER > 0
71 #include <net/bpf.h>
72 #endif
73 #define BPF_MTAP(ifp, m) bpf_mtap((ifp)->if_bpf, (m))
74
75 #include <net/if_ether.h>
76 #ifdef INET
77 #include <netinet/in.h>
78 #include <netinet/if_inarp.h>
79 #endif
80 #ifdef NS
81 #include <netns/ns.h>
82 #include <netns/ns_if.h>
83 #endif
84
85 #include <dev/mii/mii.h>
86 #include <dev/mii/miivar.h>
87 #include <dev/mii/urlphyreg.h>
88
89 #include <dev/usb/usb.h>
90 #include <dev/usb/usbdi.h>
91 #include <dev/usb/usbdi_util.h>
92 #include <dev/usb/usbdevs.h>
93
94 #include <dev/usb/if_urlreg.h>
95
96
97 /* Function declarations */
98 USB_DECLARE_DRIVER(url);
99
100 Static int url_openpipes(struct url_softc *);
101 Static int url_rx_list_init(struct url_softc *);
102 Static int url_tx_list_init(struct url_softc *);
103 Static int url_newbuf(struct url_softc *, struct url_chain *, struct mbuf *);
104 Static void url_start(struct ifnet *);
105 Static int url_send(struct url_softc *, struct mbuf *, int);
106 Static void url_txeof(usbd_xfer_handle, usbd_private_handle, usbd_status);
107 Static void url_rxeof(usbd_xfer_handle, usbd_private_handle, usbd_status);
108 Static void url_tick(void *);
109 Static void url_tick_task(void *);
110 Static int url_ioctl(struct ifnet *, u_long, caddr_t);
111 Static void url_stop_task(struct url_softc *);
112 Static void url_stop(struct ifnet *, int);
113 Static void url_watchdog(struct ifnet *);
114 Static int url_ifmedia_change(struct ifnet *);
115 Static void url_ifmedia_status(struct ifnet *, struct ifmediareq *);
116 Static void url_lock_mii(struct url_softc *);
117 Static void url_unlock_mii(struct url_softc *);
118 Static int url_int_miibus_readreg(device_ptr_t, int, int);
119 Static void url_int_miibus_writereg(device_ptr_t, int, int, int);
120 Static void url_miibus_statchg(device_ptr_t);
121 Static int url_init(struct ifnet *);
122 Static void url_setmulti(struct url_softc *);
123 Static void url_reset(struct url_softc *);
124
125 Static int url_csr_read_1(struct url_softc *, int);
126 Static int url_csr_read_2(struct url_softc *, int);
127 Static int url_csr_write_1(struct url_softc *, int, int);
128 Static int url_csr_write_2(struct url_softc *, int, int);
129 Static int url_csr_write_4(struct url_softc *, int, int);
130 Static int url_mem(struct url_softc *, int, int, void *, int);
131
132 /* Macros */
133 #ifdef URL_DEBUG
134 #define DPRINTF(x) if (urldebug) logprintf x
135 #define DPRINTFN(n,x) if (urldebug >= (n)) logprintf x
136 int urldebug = 0;
137 #else
138 #define DPRINTF(x)
139 #define DPRINTFN(n,x)
140 #endif
141
142 #define URL_SETBIT(sc, reg, x) \
143 url_csr_write_1(sc, reg, url_csr_read_1(sc, reg) | (x))
144
145 #define URL_SETBIT2(sc, reg, x) \
146 url_csr_write_2(sc, reg, url_csr_read_2(sc, reg) | (x))
147
148 #define URL_CLRBIT(sc, reg, x) \
149 url_csr_write_1(sc, reg, url_csr_read_1(sc, reg) & ~(x))
150
151 #define URL_CLRBIT2(sc, reg, x) \
152 url_csr_write_2(sc, reg, url_csr_read_2(sc, reg) & ~(x))
153
154 static const struct url_type {
155 struct usb_devno url_dev;
156 u_int16_t url_flags;
157 #define URL_EXT_PHY 0x0001
158 } url_devs [] = {
159 /* MELCO LUA-KTX */
160 {{ USB_VENDOR_MELCO, USB_PRODUCT_MELCO_LUAKTX }, 0},
161 /* Realtek RTL8150L Generic (GREEN HOUSE USBKR100) */
162 {{ USB_VENDOR_REALTEK, USB_PRODUCT_REALTEK_RTL8150L}, 0},
163 /* Longshine LCS-8138TX */
164 {{ USB_VENDOR_ABOCOM, USB_PRODUCT_ABOCOM_LCS8138TX}, 0},
165 /* Micronet SP128AR */
166 {{ USB_VENDOR_MICRONET, USB_PRODUCT_MICRONET_SP128AR}, 0},
167 /* OQO model 01 */
168 {{ USB_VENDOR_OQO, USB_PRODUCT_OQO_ETHER01}, 0},
169 };
170 #define url_lookup(v, p) ((struct url_type *)usb_lookup(url_devs, v, p))
171
172
173 /* Probe */
174 USB_MATCH(url)
175 {
176 USB_MATCH_START(url, uaa);
177
178 if (uaa->iface != NULL)
179 return (UMATCH_NONE);
180
181 return (url_lookup(uaa->vendor, uaa->product) != NULL ?
182 UMATCH_VENDOR_PRODUCT : UMATCH_NONE);
183 }
184 /* Attach */
185 USB_ATTACH(url)
186 {
187 USB_ATTACH_START(url, sc, uaa);
188 usbd_device_handle dev = uaa->device;
189 usbd_interface_handle iface;
190 usbd_status err;
191 usb_interface_descriptor_t *id;
192 usb_endpoint_descriptor_t *ed;
193 char *devinfop;
194 char *devname = USBDEVNAME(sc->sc_dev);
195 struct ifnet *ifp;
196 struct mii_data *mii;
197 u_char eaddr[ETHER_ADDR_LEN];
198 int i, s;
199
200 devinfop = usbd_devinfo_alloc(dev, 0);
201 USB_ATTACH_SETUP;
202 printf("%s: %s\n", devname, devinfop);
203 usbd_devinfo_free(devinfop);
204
205 /* Move the device into the configured state. */
206 err = usbd_set_config_no(dev, URL_CONFIG_NO, 1);
207 if (err) {
208 printf("%s: setting config no failed\n", devname);
209 goto bad;
210 }
211
212 usb_init_task(&sc->sc_tick_task, url_tick_task, sc);
213 lockinit(&sc->sc_mii_lock, PZERO, "urlmii", 0, 0);
214 usb_init_task(&sc->sc_stop_task, (void (*)(void *)) url_stop_task, sc);
215
216 /* get control interface */
217 err = usbd_device2interface_handle(dev, URL_IFACE_INDEX, &iface);
218 if (err) {
219 printf("%s: failed to get interface, err=%s\n", devname,
220 usbd_errstr(err));
221 goto bad;
222 }
223
224 sc->sc_udev = dev;
225 sc->sc_ctl_iface = iface;
226 sc->sc_flags = url_lookup(uaa->vendor, uaa->product)->url_flags;
227
228 /* get interface descriptor */
229 id = usbd_get_interface_descriptor(sc->sc_ctl_iface);
230
231 /* find endpoints */
232 sc->sc_bulkin_no = sc->sc_bulkout_no = sc->sc_intrin_no = -1;
233 for (i = 0; i < id->bNumEndpoints; i++) {
234 ed = usbd_interface2endpoint_descriptor(sc->sc_ctl_iface, i);
235 if (ed == NULL) {
236 printf("%s: couldn't get endpoint %d\n", devname, i);
237 goto bad;
238 }
239 if ((ed->bmAttributes & UE_XFERTYPE) == UE_BULK &&
240 UE_GET_DIR(ed->bEndpointAddress) == UE_DIR_IN)
241 sc->sc_bulkin_no = ed->bEndpointAddress; /* RX */
242 else if ((ed->bmAttributes & UE_XFERTYPE) == UE_BULK &&
243 UE_GET_DIR(ed->bEndpointAddress) == UE_DIR_OUT)
244 sc->sc_bulkout_no = ed->bEndpointAddress; /* TX */
245 else if ((ed->bmAttributes & UE_XFERTYPE) == UE_INTERRUPT &&
246 UE_GET_DIR(ed->bEndpointAddress) == UE_DIR_IN)
247 sc->sc_intrin_no = ed->bEndpointAddress; /* Status */
248 }
249
250 if (sc->sc_bulkin_no == -1 || sc->sc_bulkout_no == -1 ||
251 sc->sc_intrin_no == -1) {
252 printf("%s: missing endpoint\n", devname);
253 goto bad;
254 }
255
256 s = splnet();
257
258 /* reset the adapter */
259 url_reset(sc);
260
261 /* Get Ethernet Address */
262 err = url_mem(sc, URL_CMD_READMEM, URL_IDR0, (void *)eaddr,
263 ETHER_ADDR_LEN);
264 if (err) {
265 printf("%s: read MAC address failed\n", devname);
266 splx(s);
267 goto bad;
268 }
269
270 /* Print Ethernet Address */
271 printf("%s: Ethernet address %s\n", devname, ether_sprintf(eaddr));
272
273 /* initialize interface infomation */
274 ifp = GET_IFP(sc);
275 ifp->if_softc = sc;
276 ifp->if_mtu = ETHERMTU;
277 strncpy(ifp->if_xname, devname, IFNAMSIZ);
278 ifp->if_flags = IFF_BROADCAST | IFF_SIMPLEX | IFF_MULTICAST;
279 ifp->if_start = url_start;
280 ifp->if_ioctl = url_ioctl;
281 ifp->if_watchdog = url_watchdog;
282 ifp->if_init = url_init;
283 ifp->if_stop = url_stop;
284
285 IFQ_SET_READY(&ifp->if_snd);
286
287 /*
288 * Do ifmedia setup.
289 */
290 mii = &sc->sc_mii;
291 mii->mii_ifp = ifp;
292 mii->mii_readreg = url_int_miibus_readreg;
293 mii->mii_writereg = url_int_miibus_writereg;
294 #if 0
295 if (sc->sc_flags & URL_EXT_PHY) {
296 mii->mii_readreg = url_ext_miibus_readreg;
297 mii->mii_writereg = url_ext_miibus_writereg;
298 }
299 #endif
300 mii->mii_statchg = url_miibus_statchg;
301 mii->mii_flags = MIIF_AUTOTSLEEP;
302 ifmedia_init(&mii->mii_media, 0,
303 url_ifmedia_change, url_ifmedia_status);
304 mii_attach(self, mii, 0xffffffff, MII_PHY_ANY, MII_OFFSET_ANY, 0);
305 if (LIST_FIRST(&mii->mii_phys) == NULL) {
306 ifmedia_add(&mii->mii_media, IFM_ETHER | IFM_NONE, 0, NULL);
307 ifmedia_set(&mii->mii_media, IFM_ETHER | IFM_NONE);
308 } else
309 ifmedia_set(&mii->mii_media, IFM_ETHER | IFM_AUTO);
310
311 /* attach the interface */
312 if_attach(ifp);
313 Ether_ifattach(ifp, eaddr);
314
315 #if NRND > 0
316 rnd_attach_source(&sc->rnd_source, devname, RND_TYPE_NET, 0);
317 #endif
318
319 usb_callout_init(sc->sc_stat_ch);
320 sc->sc_attached = 1;
321 splx(s);
322
323 usbd_add_drv_event(USB_EVENT_DRIVER_ATTACH, dev, USBDEV(sc->sc_dev));
324
325 USB_ATTACH_SUCCESS_RETURN;
326
327 bad:
328 sc->sc_dying = 1;
329 USB_ATTACH_ERROR_RETURN;
330 }
331
332 /* detach */
333 USB_DETACH(url)
334 {
335 USB_DETACH_START(url, sc);
336 struct ifnet *ifp = GET_IFP(sc);
337 int s;
338
339 DPRINTF(("%s: %s: enter\n", USBDEVNAME(sc->sc_dev), __func__));
340
341 /* Detached before attached finished */
342 if (!sc->sc_attached)
343 return (0);
344
345 usb_uncallout(sc->sc_stat_ch, url_tick, sc);
346
347 /* Remove any pending tasks */
348 usb_rem_task(sc->sc_udev, &sc->sc_tick_task);
349 usb_rem_task(sc->sc_udev, &sc->sc_stop_task);
350
351 s = splusb();
352
353 if (--sc->sc_refcnt >= 0) {
354 /* Wait for processes to go away */
355 usb_detach_wait(USBDEV(sc->sc_dev));
356 }
357
358 if (ifp->if_flags & IFF_RUNNING)
359 url_stop(GET_IFP(sc), 1);
360
361 #if NRND > 0
362 rnd_detach_source(&sc->rnd_source);
363 #endif
364 mii_detach(&sc->sc_mii, MII_PHY_ANY, MII_OFFSET_ANY);
365 ifmedia_delete_instance(&sc->sc_mii.mii_media, IFM_INST_ANY);
366 ether_ifdetach(ifp);
367 if_detach(ifp);
368
369 #ifdef DIAGNOSTIC
370 if (sc->sc_pipe_tx != NULL)
371 printf("%s: detach has active tx endpoint.\n",
372 USBDEVNAME(sc->sc_dev));
373 if (sc->sc_pipe_rx != NULL)
374 printf("%s: detach has active rx endpoint.\n",
375 USBDEVNAME(sc->sc_dev));
376 if (sc->sc_pipe_intr != NULL)
377 printf("%s: detach has active intr endpoint.\n",
378 USBDEVNAME(sc->sc_dev));
379 #endif
380
381 sc->sc_attached = 0;
382
383 splx(s);
384
385 usbd_add_drv_event(USB_EVENT_DRIVER_DETACH, sc->sc_udev,
386 USBDEV(sc->sc_dev));
387
388 return (0);
389 }
390
391 /* read/write memory */
392 Static int
393 url_mem(struct url_softc *sc, int cmd, int offset, void *buf, int len)
394 {
395 usb_device_request_t req;
396 usbd_status err;
397
398 if (sc == NULL)
399 return (0);
400
401 DPRINTFN(0x200,
402 ("%s: %s: enter\n", USBDEVNAME(sc->sc_dev), __func__));
403
404 if (sc->sc_dying)
405 return (0);
406
407 if (cmd == URL_CMD_READMEM)
408 req.bmRequestType = UT_READ_VENDOR_DEVICE;
409 else
410 req.bmRequestType = UT_WRITE_VENDOR_DEVICE;
411 req.bRequest = URL_REQ_MEM;
412 USETW(req.wValue, offset);
413 USETW(req.wIndex, 0x0000);
414 USETW(req.wLength, len);
415
416 sc->sc_refcnt++;
417 err = usbd_do_request(sc->sc_udev, &req, buf);
418 if (--sc->sc_refcnt < 0)
419 usb_detach_wakeup(USBDEV(sc->sc_dev));
420 if (err) {
421 DPRINTF(("%s: url_mem(): %s failed. off=%04x, err=%d\n",
422 USBDEVNAME(sc->sc_dev),
423 cmd == URL_CMD_READMEM ? "read" : "write",
424 offset, err));
425 }
426
427 return (err);
428 }
429
430 /* read 1byte from register */
431 Static int
432 url_csr_read_1(struct url_softc *sc, int reg)
433 {
434 u_int8_t val = 0;
435
436 DPRINTFN(0x100,
437 ("%s: %s: enter\n", USBDEVNAME(sc->sc_dev), __func__));
438
439 if (sc->sc_dying)
440 return (0);
441
442 return (url_mem(sc, URL_CMD_READMEM, reg, &val, 1) ? 0 : val);
443 }
444
445 /* read 2bytes from register */
446 Static int
447 url_csr_read_2(struct url_softc *sc, int reg)
448 {
449 uWord val;
450
451 DPRINTFN(0x100,
452 ("%s: %s: enter\n", USBDEVNAME(sc->sc_dev), __func__));
453
454 if (sc->sc_dying)
455 return (0);
456
457 USETW(val, 0);
458 return (url_mem(sc, URL_CMD_READMEM, reg, &val, 2) ? 0 : UGETW(val));
459 }
460
461 /* write 1byte to register */
462 Static int
463 url_csr_write_1(struct url_softc *sc, int reg, int aval)
464 {
465 u_int8_t val = aval;
466
467 DPRINTFN(0x100,
468 ("%s: %s: enter\n", USBDEVNAME(sc->sc_dev), __func__));
469
470 if (sc->sc_dying)
471 return (0);
472
473 return (url_mem(sc, URL_CMD_WRITEMEM, reg, &val, 1) ? -1 : 0);
474 }
475
476 /* write 2bytes to register */
477 Static int
478 url_csr_write_2(struct url_softc *sc, int reg, int aval)
479 {
480 uWord val;
481
482 DPRINTFN(0x100,
483 ("%s: %s: enter\n", USBDEVNAME(sc->sc_dev), __func__));
484
485 USETW(val, aval);
486
487 if (sc->sc_dying)
488 return (0);
489
490 return (url_mem(sc, URL_CMD_WRITEMEM, reg, &val, 2) ? -1 : 0);
491 }
492
493 /* write 4bytes to register */
494 Static int
495 url_csr_write_4(struct url_softc *sc, int reg, int aval)
496 {
497 uDWord val;
498
499 DPRINTFN(0x100,
500 ("%s: %s: enter\n", USBDEVNAME(sc->sc_dev), __func__));
501
502 USETDW(val, aval);
503
504 if (sc->sc_dying)
505 return (0);
506
507 return (url_mem(sc, URL_CMD_WRITEMEM, reg, &val, 4) ? -1 : 0);
508 }
509
510 Static int
511 url_init(struct ifnet *ifp)
512 {
513 struct url_softc *sc = ifp->if_softc;
514 struct mii_data *mii = GET_MII(sc);
515 u_char *eaddr;
516 int i, s;
517
518 DPRINTF(("%s: %s: enter\n", USBDEVNAME(sc->sc_dev), __func__));
519
520 if (sc->sc_dying)
521 return (EIO);
522
523 s = splnet();
524
525 /* Cancel pending I/O and free all TX/RX buffers */
526 url_stop(ifp, 1);
527
528 eaddr = LLADDR(ifp->if_sadl);
529 for (i = 0; i < ETHER_ADDR_LEN; i++)
530 url_csr_write_1(sc, URL_IDR0 + i, eaddr[i]);
531
532 /* Init transmission control register */
533 URL_CLRBIT(sc, URL_TCR,
534 URL_TCR_TXRR1 | URL_TCR_TXRR0 |
535 URL_TCR_IFG1 | URL_TCR_IFG0 |
536 URL_TCR_NOCRC);
537
538 /* Init receive control register */
539 URL_SETBIT2(sc, URL_RCR, URL_RCR_TAIL | URL_RCR_AD);
540 if (ifp->if_flags & IFF_BROADCAST)
541 URL_SETBIT2(sc, URL_RCR, URL_RCR_AB);
542 else
543 URL_CLRBIT2(sc, URL_RCR, URL_RCR_AB);
544
545 /* If we want promiscuous mode, accept all physical frames. */
546 if (ifp->if_flags & IFF_PROMISC)
547 URL_SETBIT2(sc, URL_RCR, URL_RCR_AAM|URL_RCR_AAP);
548 else
549 URL_CLRBIT2(sc, URL_RCR, URL_RCR_AAM|URL_RCR_AAP);
550
551
552 /* Initialize transmit ring */
553 if (url_tx_list_init(sc) == ENOBUFS) {
554 printf("%s: tx list init failed\n", USBDEVNAME(sc->sc_dev));
555 splx(s);
556 return (EIO);
557 }
558
559 /* Initialize receive ring */
560 if (url_rx_list_init(sc) == ENOBUFS) {
561 printf("%s: rx list init failed\n", USBDEVNAME(sc->sc_dev));
562 splx(s);
563 return (EIO);
564 }
565
566 /* Load the multicast filter */
567 url_setmulti(sc);
568
569 /* Enable RX and TX */
570 URL_SETBIT(sc, URL_CR, URL_CR_TE | URL_CR_RE);
571
572 mii_mediachg(mii);
573
574 if (sc->sc_pipe_tx == NULL || sc->sc_pipe_rx == NULL) {
575 if (url_openpipes(sc)) {
576 splx(s);
577 return (EIO);
578 }
579 }
580
581 ifp->if_flags |= IFF_RUNNING;
582 ifp->if_flags &= ~IFF_OACTIVE;
583
584 splx(s);
585
586 usb_callout(sc->sc_stat_ch, hz, url_tick, sc);
587
588 return (0);
589 }
590
591 Static void
592 url_reset(struct url_softc *sc)
593 {
594 int i;
595
596 DPRINTF(("%s: %s: enter\n", USBDEVNAME(sc->sc_dev), __func__));
597
598 if (sc->sc_dying)
599 return;
600
601 URL_SETBIT(sc, URL_CR, URL_CR_SOFT_RST);
602
603 for (i = 0; i < URL_TX_TIMEOUT; i++) {
604 if (!(url_csr_read_1(sc, URL_CR) & URL_CR_SOFT_RST))
605 break;
606 delay(10); /* XXX */
607 }
608
609 delay(10000); /* XXX */
610 }
611
612 int
613 url_activate(device_ptr_t self, enum devact act)
614 {
615 struct url_softc *sc = (struct url_softc *)self;
616
617 DPRINTF(("%s: %s: enter, act=%d\n", USBDEVNAME(sc->sc_dev),
618 __func__, act));
619
620 switch (act) {
621 case DVACT_ACTIVATE:
622 return (EOPNOTSUPP);
623 break;
624
625 case DVACT_DEACTIVATE:
626 if_deactivate(&sc->sc_ec.ec_if);
627 sc->sc_dying = 1;
628 break;
629 }
630
631 return (0);
632 }
633
634 #define url_calchash(addr) (ether_crc32_be((addr), ETHER_ADDR_LEN) >> 26)
635
636
637 Static void
638 url_setmulti(struct url_softc *sc)
639 {
640 struct ifnet *ifp;
641 struct ether_multi *enm;
642 struct ether_multistep step;
643 u_int32_t hashes[2] = { 0, 0 };
644 int h = 0;
645 int mcnt = 0;
646
647 DPRINTF(("%s: %s: enter\n", USBDEVNAME(sc->sc_dev), __func__));
648
649 if (sc->sc_dying)
650 return;
651
652 ifp = GET_IFP(sc);
653
654 if (ifp->if_flags & IFF_PROMISC) {
655 URL_SETBIT2(sc, URL_RCR, URL_RCR_AAM|URL_RCR_AAP);
656 return;
657 } else if (ifp->if_flags & IFF_ALLMULTI) {
658 allmulti:
659 ifp->if_flags |= IFF_ALLMULTI;
660 URL_SETBIT2(sc, URL_RCR, URL_RCR_AAM);
661 URL_CLRBIT2(sc, URL_RCR, URL_RCR_AAP);
662 return;
663 }
664
665 /* first, zot all the existing hash bits */
666 url_csr_write_4(sc, URL_MAR0, 0);
667 url_csr_write_4(sc, URL_MAR4, 0);
668
669 /* now program new ones */
670 ETHER_FIRST_MULTI(step, &sc->sc_ec, enm);
671 while (enm != NULL) {
672 if (memcmp(enm->enm_addrlo, enm->enm_addrhi,
673 ETHER_ADDR_LEN) != 0)
674 goto allmulti;
675
676 h = url_calchash(enm->enm_addrlo);
677 if (h < 32)
678 hashes[0] |= (1 << h);
679 else
680 hashes[1] |= (1 << (h -32));
681 mcnt++;
682 ETHER_NEXT_MULTI(step, enm);
683 }
684
685 ifp->if_flags &= ~IFF_ALLMULTI;
686
687 URL_CLRBIT2(sc, URL_RCR, URL_RCR_AAM|URL_RCR_AAP);
688
689 if (mcnt){
690 URL_SETBIT2(sc, URL_RCR, URL_RCR_AM);
691 } else {
692 URL_CLRBIT2(sc, URL_RCR, URL_RCR_AM);
693 }
694 url_csr_write_4(sc, URL_MAR0, hashes[0]);
695 url_csr_write_4(sc, URL_MAR4, hashes[1]);
696 }
697
698 Static int
699 url_openpipes(struct url_softc *sc)
700 {
701 struct url_chain *c;
702 usbd_status err;
703 int i;
704 int error = 0;
705
706 if (sc->sc_dying)
707 return (EIO);
708
709 sc->sc_refcnt++;
710
711 /* Open RX pipe */
712 err = usbd_open_pipe(sc->sc_ctl_iface, sc->sc_bulkin_no,
713 USBD_EXCLUSIVE_USE, &sc->sc_pipe_rx);
714 if (err) {
715 printf("%s: open rx pipe failed: %s\n",
716 USBDEVNAME(sc->sc_dev), usbd_errstr(err));
717 error = EIO;
718 goto done;
719 }
720
721 /* Open TX pipe */
722 err = usbd_open_pipe(sc->sc_ctl_iface, sc->sc_bulkout_no,
723 USBD_EXCLUSIVE_USE, &sc->sc_pipe_tx);
724 if (err) {
725 printf("%s: open tx pipe failed: %s\n",
726 USBDEVNAME(sc->sc_dev), usbd_errstr(err));
727 error = EIO;
728 goto done;
729 }
730
731 #if 0
732 /* XXX: interrupt endpoint is not yet supported */
733 /* Open Interrupt pipe */
734 err = usbd_open_pipe_intr(sc->sc_ctl_iface, sc->sc_intrin_no,
735 USBD_EXCLUSIVE_USE, &sc->sc_pipe_intr, sc,
736 &sc->sc_cdata.url_ibuf, URL_INTR_PKGLEN,
737 url_intr, URL_INTR_INTERVAL);
738 if (err) {
739 printf("%s: open intr pipe failed: %s\n",
740 USBDEVNAME(sc->sc_dev), usbd_errstr(err));
741 error = EIO;
742 goto done;
743 }
744 #endif
745
746
747 /* Start up the receive pipe. */
748 for (i = 0; i < URL_RX_LIST_CNT; i++) {
749 c = &sc->sc_cdata.url_rx_chain[i];
750 usbd_setup_xfer(c->url_xfer, sc->sc_pipe_rx,
751 c, c->url_buf, URL_BUFSZ,
752 USBD_SHORT_XFER_OK | USBD_NO_COPY,
753 USBD_NO_TIMEOUT, url_rxeof);
754 (void)usbd_transfer(c->url_xfer);
755 DPRINTF(("%s: %s: start read\n", USBDEVNAME(sc->sc_dev),
756 __func__));
757 }
758
759 done:
760 if (--sc->sc_refcnt < 0)
761 usb_detach_wakeup(USBDEV(sc->sc_dev));
762
763 return (error);
764 }
765
766 Static int
767 url_newbuf(struct url_softc *sc, struct url_chain *c, struct mbuf *m)
768 {
769 struct mbuf *m_new = NULL;
770
771 DPRINTF(("%s: %s: enter\n", USBDEVNAME(sc->sc_dev), __func__));
772
773 if (m == NULL) {
774 MGETHDR(m_new, M_DONTWAIT, MT_DATA);
775 if (m_new == NULL) {
776 printf("%s: no memory for rx list "
777 "-- packet dropped!\n", USBDEVNAME(sc->sc_dev));
778 return (ENOBUFS);
779 }
780 MCLGET(m_new, M_DONTWAIT);
781 if (!(m_new->m_flags & M_EXT)) {
782 printf("%s: no memory for rx list "
783 "-- packet dropped!\n", USBDEVNAME(sc->sc_dev));
784 m_freem(m_new);
785 return (ENOBUFS);
786 }
787 m_new->m_len = m_new->m_pkthdr.len = MCLBYTES;
788 } else {
789 m_new = m;
790 m_new->m_len = m_new->m_pkthdr.len = MCLBYTES;
791 m_new->m_data = m_new->m_ext.ext_buf;
792 }
793
794 m_adj(m_new, ETHER_ALIGN);
795 c->url_mbuf = m_new;
796
797 return (0);
798 }
799
800
801 Static int
802 url_rx_list_init(struct url_softc *sc)
803 {
804 struct url_cdata *cd;
805 struct url_chain *c;
806 int i;
807
808 DPRINTF(("%s: %s: enter\n", USBDEVNAME(sc->sc_dev), __func__));
809
810 cd = &sc->sc_cdata;
811 for (i = 0; i < URL_RX_LIST_CNT; i++) {
812 c = &cd->url_rx_chain[i];
813 c->url_sc = sc;
814 c->url_idx = i;
815 if (url_newbuf(sc, c, NULL) == ENOBUFS)
816 return (ENOBUFS);
817 if (c->url_xfer == NULL) {
818 c->url_xfer = usbd_alloc_xfer(sc->sc_udev);
819 if (c->url_xfer == NULL)
820 return (ENOBUFS);
821 c->url_buf = usbd_alloc_buffer(c->url_xfer, URL_BUFSZ);
822 if (c->url_buf == NULL) {
823 usbd_free_xfer(c->url_xfer);
824 return (ENOBUFS);
825 }
826 }
827 }
828
829 return (0);
830 }
831
832 Static int
833 url_tx_list_init(struct url_softc *sc)
834 {
835 struct url_cdata *cd;
836 struct url_chain *c;
837 int i;
838
839 DPRINTF(("%s: %s: enter\n", USBDEVNAME(sc->sc_dev), __func__));
840
841 cd = &sc->sc_cdata;
842 for (i = 0; i < URL_TX_LIST_CNT; i++) {
843 c = &cd->url_tx_chain[i];
844 c->url_sc = sc;
845 c->url_idx = i;
846 c->url_mbuf = NULL;
847 if (c->url_xfer == NULL) {
848 c->url_xfer = usbd_alloc_xfer(sc->sc_udev);
849 if (c->url_xfer == NULL)
850 return (ENOBUFS);
851 c->url_buf = usbd_alloc_buffer(c->url_xfer, URL_BUFSZ);
852 if (c->url_buf == NULL) {
853 usbd_free_xfer(c->url_xfer);
854 return (ENOBUFS);
855 }
856 }
857 }
858
859 return (0);
860 }
861
862 Static void
863 url_start(struct ifnet *ifp)
864 {
865 struct url_softc *sc = ifp->if_softc;
866 struct mbuf *m_head = NULL;
867
868 DPRINTF(("%s: %s: enter, link=%d\n", USBDEVNAME(sc->sc_dev),
869 __func__, sc->sc_link));
870
871 if (sc->sc_dying)
872 return;
873
874 if (!sc->sc_link)
875 return;
876
877 if (ifp->if_flags & IFF_OACTIVE)
878 return;
879
880 IFQ_POLL(&ifp->if_snd, m_head);
881 if (m_head == NULL)
882 return;
883
884 if (url_send(sc, m_head, 0)) {
885 ifp->if_flags |= IFF_OACTIVE;
886 return;
887 }
888
889 IFQ_DEQUEUE(&ifp->if_snd, m_head);
890
891 #if NBPFILTER > 0
892 if (ifp->if_bpf)
893 bpf_mtap(ifp->if_bpf, m_head);
894 #endif
895
896 ifp->if_flags |= IFF_OACTIVE;
897
898 /* Set a timeout in case the chip goes out to lunch. */
899 ifp->if_timer = 5;
900 }
901
902 Static int
903 url_send(struct url_softc *sc, struct mbuf *m, int idx)
904 {
905 int total_len;
906 struct url_chain *c;
907 usbd_status err;
908
909 DPRINTF(("%s: %s: enter\n", USBDEVNAME(sc->sc_dev),__func__));
910
911 c = &sc->sc_cdata.url_tx_chain[idx];
912
913 /* Copy the mbuf data into a contiguous buffer */
914 m_copydata(m, 0, m->m_pkthdr.len, c->url_buf);
915 c->url_mbuf = m;
916 total_len = m->m_pkthdr.len;
917
918 if (total_len < URL_MIN_FRAME_LEN) {
919 memset(c->url_buf + total_len, 0,
920 URL_MIN_FRAME_LEN - total_len);
921 total_len = URL_MIN_FRAME_LEN;
922 }
923 usbd_setup_xfer(c->url_xfer, sc->sc_pipe_tx, c, c->url_buf, total_len,
924 USBD_FORCE_SHORT_XFER | USBD_NO_COPY,
925 URL_TX_TIMEOUT, url_txeof);
926
927 /* Transmit */
928 sc->sc_refcnt++;
929 err = usbd_transfer(c->url_xfer);
930 if (--sc->sc_refcnt < 0)
931 usb_detach_wakeup(USBDEV(sc->sc_dev));
932 if (err != USBD_IN_PROGRESS) {
933 printf("%s: url_send error=%s\n", USBDEVNAME(sc->sc_dev),
934 usbd_errstr(err));
935 /* Stop the interface */
936 usb_add_task(sc->sc_udev, &sc->sc_stop_task);
937 return (EIO);
938 }
939
940 DPRINTF(("%s: %s: send %d bytes\n", USBDEVNAME(sc->sc_dev),
941 __func__, total_len));
942
943 sc->sc_cdata.url_tx_cnt++;
944
945 return (0);
946 }
947
948 Static void
949 url_txeof(usbd_xfer_handle xfer, usbd_private_handle priv, usbd_status status)
950 {
951 struct url_chain *c = priv;
952 struct url_softc *sc = c->url_sc;
953 struct ifnet *ifp = GET_IFP(sc);
954 int s;
955
956 if (sc->sc_dying)
957 return;
958
959 s = splnet();
960
961 DPRINTF(("%s: %s: enter\n", USBDEVNAME(sc->sc_dev), __func__));
962
963 ifp->if_timer = 0;
964 ifp->if_flags &= ~IFF_OACTIVE;
965
966 if (status != USBD_NORMAL_COMPLETION) {
967 if (status == USBD_NOT_STARTED || status == USBD_CANCELLED) {
968 splx(s);
969 return;
970 }
971 ifp->if_oerrors++;
972 printf("%s: usb error on tx: %s\n", USBDEVNAME(sc->sc_dev),
973 usbd_errstr(status));
974 if (status == USBD_STALLED) {
975 sc->sc_refcnt++;
976 usbd_clear_endpoint_stall(sc->sc_pipe_tx);
977 if (--sc->sc_refcnt < 0)
978 usb_detach_wakeup(USBDEV(sc->sc_dev));
979 }
980 splx(s);
981 return;
982 }
983
984 ifp->if_opackets++;
985
986 m_freem(c->url_mbuf);
987 c->url_mbuf = NULL;
988
989 if (IFQ_IS_EMPTY(&ifp->if_snd) == 0)
990 url_start(ifp);
991
992 splx(s);
993 }
994
995 Static void
996 url_rxeof(usbd_xfer_handle xfer, usbd_private_handle priv, usbd_status status)
997 {
998 struct url_chain *c = priv;
999 struct url_softc *sc = c->url_sc;
1000 struct ifnet *ifp = GET_IFP(sc);
1001 struct mbuf *m;
1002 u_int32_t total_len;
1003 url_rxhdr_t rxhdr;
1004 int s;
1005
1006 DPRINTF(("%s: %s: enter\n", USBDEVNAME(sc->sc_dev),__func__));
1007
1008 if (sc->sc_dying)
1009 return;
1010
1011 if (status != USBD_NORMAL_COMPLETION) {
1012 if (status == USBD_NOT_STARTED || status == USBD_CANCELLED)
1013 return;
1014 sc->sc_rx_errs++;
1015 if (usbd_ratecheck(&sc->sc_rx_notice)) {
1016 printf("%s: %u usb errors on rx: %s\n",
1017 USBDEVNAME(sc->sc_dev), sc->sc_rx_errs,
1018 usbd_errstr(status));
1019 sc->sc_rx_errs = 0;
1020 }
1021 if (status == USBD_STALLED) {
1022 sc->sc_refcnt++;
1023 usbd_clear_endpoint_stall(sc->sc_pipe_rx);
1024 if (--sc->sc_refcnt < 0)
1025 usb_detach_wakeup(USBDEV(sc->sc_dev));
1026 }
1027 goto done;
1028 }
1029
1030 usbd_get_xfer_status(xfer, NULL, NULL, &total_len, NULL);
1031
1032 memcpy(mtod(c->url_mbuf, char *), c->url_buf, total_len);
1033
1034 if (total_len <= ETHER_CRC_LEN) {
1035 ifp->if_ierrors++;
1036 goto done;
1037 }
1038
1039 memcpy(&rxhdr, c->url_buf + total_len - ETHER_CRC_LEN, sizeof(rxhdr));
1040
1041 DPRINTF(("%s: RX Status: %dbytes%s%s%s%s packets\n",
1042 USBDEVNAME(sc->sc_dev),
1043 UGETW(rxhdr) & URL_RXHDR_BYTEC_MASK,
1044 UGETW(rxhdr) & URL_RXHDR_VALID_MASK ? ", Valid" : "",
1045 UGETW(rxhdr) & URL_RXHDR_RUNTPKT_MASK ? ", Runt" : "",
1046 UGETW(rxhdr) & URL_RXHDR_PHYPKT_MASK ? ", Physical match" : "",
1047 UGETW(rxhdr) & URL_RXHDR_MCASTPKT_MASK ? ", Multicast" : ""));
1048
1049 if ((UGETW(rxhdr) & URL_RXHDR_VALID_MASK) == 0) {
1050 ifp->if_ierrors++;
1051 goto done;
1052 }
1053
1054 ifp->if_ipackets++;
1055 total_len -= ETHER_CRC_LEN;
1056
1057 m = c->url_mbuf;
1058 m->m_pkthdr.len = m->m_len = total_len;
1059 m->m_pkthdr.rcvif = ifp;
1060
1061 s = splnet();
1062
1063 if (url_newbuf(sc, c, NULL) == ENOBUFS) {
1064 ifp->if_ierrors++;
1065 goto done1;
1066 }
1067
1068 #if NBPFILTER > 0
1069 if (ifp->if_bpf)
1070 BPF_MTAP(ifp, m);
1071 #endif
1072
1073 DPRINTF(("%s: %s: deliver %d\n", USBDEVNAME(sc->sc_dev),
1074 __func__, m->m_len));
1075 IF_INPUT(ifp, m);
1076
1077 done1:
1078 splx(s);
1079
1080 done:
1081 /* Setup new transfer */
1082 usbd_setup_xfer(xfer, sc->sc_pipe_rx, c, c->url_buf, URL_BUFSZ,
1083 USBD_SHORT_XFER_OK | USBD_NO_COPY,
1084 USBD_NO_TIMEOUT, url_rxeof);
1085 sc->sc_refcnt++;
1086 usbd_transfer(xfer);
1087 if (--sc->sc_refcnt < 0)
1088 usb_detach_wakeup(USBDEV(sc->sc_dev));
1089
1090 DPRINTF(("%s: %s: start rx\n", USBDEVNAME(sc->sc_dev), __func__));
1091 }
1092
1093 #if 0
1094 Static void url_intr()
1095 {
1096 }
1097 #endif
1098
1099 Static int
1100 url_ioctl(struct ifnet *ifp, u_long cmd, caddr_t data)
1101 {
1102 struct url_softc *sc = ifp->if_softc;
1103 struct ifreq *ifr = (struct ifreq *)data;
1104 struct mii_data *mii;
1105 int s, error = 0;
1106
1107 DPRINTF(("%s: %s: enter\n", USBDEVNAME(sc->sc_dev), __func__));
1108
1109 if (sc->sc_dying)
1110 return (EIO);
1111
1112 s = splnet();
1113
1114 switch (cmd) {
1115 case SIOCGIFMEDIA:
1116 case SIOCSIFMEDIA:
1117 mii = GET_MII(sc);
1118 error = ifmedia_ioctl(ifp, ifr, &mii->mii_media, cmd);
1119 break;
1120
1121 default:
1122 error = ether_ioctl(ifp, cmd, data);
1123 if (error == ENETRESET) {
1124 if (ifp->if_flags & IFF_RUNNING)
1125 url_setmulti(sc);
1126 error = 0;
1127 }
1128 break;
1129 }
1130
1131 splx(s);
1132
1133 return (error);
1134 }
1135
1136 Static void
1137 url_watchdog(struct ifnet *ifp)
1138 {
1139 struct url_softc *sc = ifp->if_softc;
1140 struct url_chain *c;
1141 usbd_status stat;
1142 int s;
1143
1144 DPRINTF(("%s: %s: enter\n", USBDEVNAME(sc->sc_dev), __func__));
1145
1146 ifp->if_oerrors++;
1147 printf("%s: watchdog timeout\n", USBDEVNAME(sc->sc_dev));
1148
1149 s = splusb();
1150 c = &sc->sc_cdata.url_tx_chain[0];
1151 usbd_get_xfer_status(c->url_xfer, NULL, NULL, NULL, &stat);
1152 url_txeof(c->url_xfer, c, stat);
1153
1154 if (IFQ_IS_EMPTY(&ifp->if_snd) == 0)
1155 url_start(ifp);
1156 splx(s);
1157 }
1158
1159 Static void
1160 url_stop_task(struct url_softc *sc)
1161 {
1162 url_stop(GET_IFP(sc), 1);
1163 }
1164
1165 /* Stop the adapter and free any mbufs allocated to the RX and TX lists. */
1166 Static void
1167 url_stop(struct ifnet *ifp, int disable)
1168 {
1169 struct url_softc *sc = ifp->if_softc;
1170 usbd_status err;
1171 int i;
1172
1173 DPRINTF(("%s: %s: enter\n", USBDEVNAME(sc->sc_dev), __func__));
1174
1175 ifp->if_timer = 0;
1176
1177 url_reset(sc);
1178
1179 usb_uncallout(sc->sc_stat_ch, url_tick, sc);
1180
1181 /* Stop transfers */
1182 /* RX endpoint */
1183 if (sc->sc_pipe_rx != NULL) {
1184 err = usbd_abort_pipe(sc->sc_pipe_rx);
1185 if (err)
1186 printf("%s: abort rx pipe failed: %s\n",
1187 USBDEVNAME(sc->sc_dev), usbd_errstr(err));
1188 err = usbd_close_pipe(sc->sc_pipe_rx);
1189 if (err)
1190 printf("%s: close rx pipe failed: %s\n",
1191 USBDEVNAME(sc->sc_dev), usbd_errstr(err));
1192 sc->sc_pipe_rx = NULL;
1193 }
1194
1195 /* TX endpoint */
1196 if (sc->sc_pipe_tx != NULL) {
1197 err = usbd_abort_pipe(sc->sc_pipe_tx);
1198 if (err)
1199 printf("%s: abort tx pipe failed: %s\n",
1200 USBDEVNAME(sc->sc_dev), usbd_errstr(err));
1201 err = usbd_close_pipe(sc->sc_pipe_tx);
1202 if (err)
1203 printf("%s: close tx pipe failed: %s\n",
1204 USBDEVNAME(sc->sc_dev), usbd_errstr(err));
1205 sc->sc_pipe_tx = NULL;
1206 }
1207
1208 #if 0
1209 /* XXX: Interrupt endpoint is not yet supported!! */
1210 /* Interrupt endpoint */
1211 if (sc->sc_pipe_intr != NULL) {
1212 err = usbd_abort_pipe(sc->sc_pipe_intr);
1213 if (err)
1214 printf("%s: abort intr pipe failed: %s\n",
1215 USBDEVNAME(sc->sc_dev), usbd_errstr(err));
1216 err = usbd_close_pipe(sc->sc_pipe_intr);
1217 if (err)
1218 printf("%s: close intr pipe failed: %s\n",
1219 USBDEVNAME(sc->sc_dev), usbd_errstr(err));
1220 sc->sc_pipe_intr = NULL;
1221 }
1222 #endif
1223
1224 /* Free RX resources. */
1225 for (i = 0; i < URL_RX_LIST_CNT; i++) {
1226 if (sc->sc_cdata.url_rx_chain[i].url_mbuf != NULL) {
1227 m_freem(sc->sc_cdata.url_rx_chain[i].url_mbuf);
1228 sc->sc_cdata.url_rx_chain[i].url_mbuf = NULL;
1229 }
1230 if (sc->sc_cdata.url_rx_chain[i].url_xfer != NULL) {
1231 usbd_free_xfer(sc->sc_cdata.url_rx_chain[i].url_xfer);
1232 sc->sc_cdata.url_rx_chain[i].url_xfer = NULL;
1233 }
1234 }
1235
1236 /* Free TX resources. */
1237 for (i = 0; i < URL_TX_LIST_CNT; i++) {
1238 if (sc->sc_cdata.url_tx_chain[i].url_mbuf != NULL) {
1239 m_freem(sc->sc_cdata.url_tx_chain[i].url_mbuf);
1240 sc->sc_cdata.url_tx_chain[i].url_mbuf = NULL;
1241 }
1242 if (sc->sc_cdata.url_tx_chain[i].url_xfer != NULL) {
1243 usbd_free_xfer(sc->sc_cdata.url_tx_chain[i].url_xfer);
1244 sc->sc_cdata.url_tx_chain[i].url_xfer = NULL;
1245 }
1246 }
1247
1248 sc->sc_link = 0;
1249 ifp->if_flags &= ~(IFF_RUNNING | IFF_OACTIVE);
1250 }
1251
1252 /* Set media options */
1253 Static int
1254 url_ifmedia_change(struct ifnet *ifp)
1255 {
1256 struct url_softc *sc = ifp->if_softc;
1257 struct mii_data *mii = GET_MII(sc);
1258
1259 DPRINTF(("%s: %s: enter\n", USBDEVNAME(sc->sc_dev), __func__));
1260
1261 if (sc->sc_dying)
1262 return (0);
1263
1264 sc->sc_link = 0;
1265 if (mii->mii_instance) {
1266 struct mii_softc *miisc;
1267 for (miisc = LIST_FIRST(&mii->mii_phys); miisc != NULL;
1268 miisc = LIST_NEXT(miisc, mii_list))
1269 mii_phy_reset(miisc);
1270 }
1271
1272 return (mii_mediachg(mii));
1273 }
1274
1275 /* Report current media status. */
1276 Static void
1277 url_ifmedia_status(struct ifnet *ifp, struct ifmediareq *ifmr)
1278 {
1279 struct url_softc *sc = ifp->if_softc;
1280 struct mii_data *mii = GET_MII(sc);
1281
1282 DPRINTF(("%s: %s: enter\n", USBDEVNAME(sc->sc_dev), __func__));
1283
1284 if (sc->sc_dying)
1285 return;
1286
1287 if ((ifp->if_flags & IFF_RUNNING) == 0) {
1288 ifmr->ifm_active = IFM_ETHER | IFM_NONE;
1289 ifmr->ifm_status = 0;
1290 return;
1291 }
1292
1293 mii_pollstat(mii);
1294 ifmr->ifm_active = mii->mii_media_active;
1295 ifmr->ifm_status = mii->mii_media_status;
1296 }
1297
1298 Static void
1299 url_tick(void *xsc)
1300 {
1301 struct url_softc *sc = xsc;
1302
1303 if (sc == NULL)
1304 return;
1305
1306 DPRINTFN(0xff, ("%s: %s: enter\n", USBDEVNAME(sc->sc_dev),
1307 __func__));
1308
1309 if (sc->sc_dying)
1310 return;
1311
1312 /* Perform periodic stuff in process context */
1313 usb_add_task(sc->sc_udev, &sc->sc_tick_task);
1314 }
1315
1316 Static void
1317 url_tick_task(void *xsc)
1318 {
1319 struct url_softc *sc = xsc;
1320 struct ifnet *ifp;
1321 struct mii_data *mii;
1322 int s;
1323
1324 if (sc == NULL)
1325 return;
1326
1327 DPRINTFN(0xff, ("%s: %s: enter\n", USBDEVNAME(sc->sc_dev),
1328 __func__));
1329
1330 if (sc->sc_dying)
1331 return;
1332
1333 ifp = GET_IFP(sc);
1334 mii = GET_MII(sc);
1335
1336 if (mii == NULL)
1337 return;
1338
1339 s = splnet();
1340
1341 mii_tick(mii);
1342 if (!sc->sc_link) {
1343 mii_pollstat(mii);
1344 if (mii->mii_media_status & IFM_ACTIVE &&
1345 IFM_SUBTYPE(mii->mii_media_active) != IFM_NONE) {
1346 DPRINTF(("%s: %s: got link\n",
1347 USBDEVNAME(sc->sc_dev), __func__));
1348 sc->sc_link++;
1349 if (IFQ_IS_EMPTY(&ifp->if_snd) == 0)
1350 url_start(ifp);
1351 }
1352 }
1353
1354 usb_callout(sc->sc_stat_ch, hz, url_tick, sc);
1355
1356 splx(s);
1357 }
1358
1359 /* Get exclusive access to the MII registers */
1360 Static void
1361 url_lock_mii(struct url_softc *sc)
1362 {
1363 DPRINTFN(0xff, ("%s: %s: enter\n", USBDEVNAME(sc->sc_dev),
1364 __func__));
1365
1366 sc->sc_refcnt++;
1367 lockmgr(&sc->sc_mii_lock, LK_EXCLUSIVE, NULL);
1368 }
1369
1370 Static void
1371 url_unlock_mii(struct url_softc *sc)
1372 {
1373 DPRINTFN(0xff, ("%s: %s: enter\n", USBDEVNAME(sc->sc_dev),
1374 __func__));
1375
1376 lockmgr(&sc->sc_mii_lock, LK_RELEASE, NULL);
1377 if (--sc->sc_refcnt < 0)
1378 usb_detach_wakeup(USBDEV(sc->sc_dev));
1379 }
1380
1381 Static int
1382 url_int_miibus_readreg(device_ptr_t dev, int phy, int reg)
1383 {
1384 struct url_softc *sc;
1385 u_int16_t val;
1386
1387 if (dev == NULL)
1388 return (0);
1389
1390 sc = USBGETSOFTC(dev);
1391
1392 DPRINTFN(0xff, ("%s: %s: enter, phy=%d reg=0x%04x\n",
1393 USBDEVNAME(sc->sc_dev), __func__, phy, reg));
1394
1395 if (sc->sc_dying) {
1396 #ifdef DIAGNOSTIC
1397 printf("%s: %s: dying\n", USBDEVNAME(sc->sc_dev),
1398 __func__);
1399 #endif
1400 return (0);
1401 }
1402
1403 /* XXX: one PHY only for the RTL8150 internal PHY */
1404 if (phy != 0) {
1405 DPRINTFN(0xff, ("%s: %s: phy=%d is not supported\n",
1406 USBDEVNAME(sc->sc_dev), __func__, phy));
1407 return (0);
1408 }
1409
1410 url_lock_mii(sc);
1411
1412 switch (reg) {
1413 case MII_BMCR: /* Control Register */
1414 reg = URL_BMCR;
1415 break;
1416 case MII_BMSR: /* Status Register */
1417 reg = URL_BMSR;
1418 break;
1419 case MII_PHYIDR1:
1420 case MII_PHYIDR2:
1421 val = 0;
1422 goto R_DONE;
1423 break;
1424 case MII_ANAR: /* Autonegotiation advertisement */
1425 reg = URL_ANAR;
1426 break;
1427 case MII_ANLPAR: /* Autonegotiation link partner abilities */
1428 reg = URL_ANLP;
1429 break;
1430 case URLPHY_MSR: /* Media Status Register */
1431 reg = URL_MSR;
1432 break;
1433 default:
1434 printf("%s: %s: bad register %04x\n",
1435 USBDEVNAME(sc->sc_dev), __func__, reg);
1436 val = 0;
1437 goto R_DONE;
1438 break;
1439 }
1440
1441 if (reg == URL_MSR)
1442 val = url_csr_read_1(sc, reg);
1443 else
1444 val = url_csr_read_2(sc, reg);
1445
1446 R_DONE:
1447 DPRINTFN(0xff, ("%s: %s: phy=%d reg=0x%04x => 0x%04x\n",
1448 USBDEVNAME(sc->sc_dev), __func__, phy, reg, val));
1449
1450 url_unlock_mii(sc);
1451 return (val);
1452 }
1453
1454 Static void
1455 url_int_miibus_writereg(device_ptr_t dev, int phy, int reg, int data)
1456 {
1457 struct url_softc *sc;
1458
1459 if (dev == NULL)
1460 return;
1461
1462 sc = USBGETSOFTC(dev);
1463
1464 DPRINTFN(0xff, ("%s: %s: enter, phy=%d reg=0x%04x data=0x%04x\n",
1465 USBDEVNAME(sc->sc_dev), __func__, phy, reg, data));
1466
1467 if (sc->sc_dying) {
1468 #ifdef DIAGNOSTIC
1469 printf("%s: %s: dying\n", USBDEVNAME(sc->sc_dev),
1470 __func__);
1471 #endif
1472 return;
1473 }
1474
1475 /* XXX: one PHY only for the RTL8150 internal PHY */
1476 if (phy != 0) {
1477 DPRINTFN(0xff, ("%s: %s: phy=%d is not supported\n",
1478 USBDEVNAME(sc->sc_dev), __func__, phy));
1479 return;
1480 }
1481
1482 url_lock_mii(sc);
1483
1484 switch (reg) {
1485 case MII_BMCR: /* Control Register */
1486 reg = URL_BMCR;
1487 break;
1488 case MII_BMSR: /* Status Register */
1489 reg = URL_BMSR;
1490 break;
1491 case MII_PHYIDR1:
1492 case MII_PHYIDR2:
1493 goto W_DONE;
1494 break;
1495 case MII_ANAR: /* Autonegotiation advertisement */
1496 reg = URL_ANAR;
1497 break;
1498 case MII_ANLPAR: /* Autonegotiation link partner abilities */
1499 reg = URL_ANLP;
1500 break;
1501 case URLPHY_MSR: /* Media Status Register */
1502 reg = URL_MSR;
1503 break;
1504 default:
1505 printf("%s: %s: bad register %04x\n",
1506 USBDEVNAME(sc->sc_dev), __func__, reg);
1507 goto W_DONE;
1508 break;
1509 }
1510
1511 if (reg == URL_MSR)
1512 url_csr_write_1(sc, reg, data);
1513 else
1514 url_csr_write_2(sc, reg, data);
1515 W_DONE:
1516
1517 url_unlock_mii(sc);
1518 return;
1519 }
1520
1521 Static void
1522 url_miibus_statchg(device_ptr_t dev)
1523 {
1524 #ifdef URL_DEBUG
1525 struct url_softc *sc;
1526
1527 if (dev == NULL)
1528 return;
1529
1530 sc = USBGETSOFTC(dev);
1531 DPRINTF(("%s: %s: enter\n", USBDEVNAME(sc->sc_dev), __func__));
1532 #endif
1533 /* Nothing to do */
1534 }
1535
1536 #if 0
1537 /*
1538 * external PHYs support, but not test.
1539 */
1540 Static int
1541 url_ext_miibus_redreg(device_ptr_t dev, int phy, int reg)
1542 {
1543 struct url_softc *sc = USBGETSOFTC(dev);
1544 u_int16_t val;
1545
1546 DPRINTF(("%s: %s: enter, phy=%d reg=0x%04x\n",
1547 USBDEVNAME(sc->sc_dev), __func__, phy, reg));
1548
1549 if (sc->sc_dying) {
1550 #ifdef DIAGNOSTIC
1551 printf("%s: %s: dying\n", USBDEVNAME(sc->sc_dev),
1552 __func__);
1553 #endif
1554 return (0);
1555 }
1556
1557 url_lock_mii(sc);
1558
1559 url_csr_write_1(sc, URL_PHYADD, phy & URL_PHYADD_MASK);
1560 /*
1561 * RTL8150L will initiate a MII management data transaction
1562 * if PHYCNT_OWN bit is set 1 by software. After transaction,
1563 * this bit is auto cleared by TRL8150L.
1564 */
1565 url_csr_write_1(sc, URL_PHYCNT,
1566 (reg | URL_PHYCNT_PHYOWN) & ~URL_PHYCNT_RWCR);
1567 for (i = 0; i < URL_TIMEOUT; i++) {
1568 if ((url_csr_read_1(sc, URL_PHYCNT) & URL_PHYCNT_PHYOWN) == 0)
1569 break;
1570 }
1571 if (i == URL_TIMEOUT) {
1572 printf("%s: MII read timed out\n", USBDEVNAME(sc->sc_dev));
1573 }
1574
1575 val = url_csr_read_2(sc, URL_PHYDAT);
1576
1577 DPRINTF(("%s: %s: phy=%d reg=0x%04x => 0x%04x\n",
1578 USBDEVNAME(sc->sc_dev), __func__, phy, reg, val));
1579
1580 url_unlock_mii(sc);
1581 return (val);
1582 }
1583
1584 Static void
1585 url_ext_miibus_writereg(device_ptr_t dev, int phy, int reg, int data)
1586 {
1587 struct url_softc *sc = USBGETSOFTC(dev);
1588
1589 DPRINTF(("%s: %s: enter, phy=%d reg=0x%04x data=0x%04x\n",
1590 USBDEVNAME(sc->sc_dev), __func__, phy, reg, data));
1591
1592 if (sc->sc_dying) {
1593 #ifdef DIAGNOSTIC
1594 printf("%s: %s: dying\n", USBDEVNAME(sc->sc_dev),
1595 __func__);
1596 #endif
1597 return;
1598 }
1599
1600 url_lock_mii(sc);
1601
1602 url_csr_write_2(sc, URL_PHYDAT, data);
1603 url_csr_write_1(sc, URL_PHYADD, phy);
1604 url_csr_write_1(sc, URL_PHYCNT, reg | URL_PHYCNT_RWCR); /* Write */
1605
1606 for (i=0; i < URL_TIMEOUT; i++) {
1607 if (url_csr_read_1(sc, URL_PHYCNT) & URL_PHYCNT_PHYOWN)
1608 break;
1609 }
1610
1611 if (i == URL_TIMEOUT) {
1612 printf("%s: MII write timed out\n",
1613 USBDEVNAME(sc->sc_dev));
1614 }
1615
1616 url_unlock_mii(sc);
1617 return;
1618 }
1619 #endif
1620
1621