1 | /* $NetBSD: if_udav.c,v 1.48 2016/07/07 06:55:42 msaitoh Exp $ */ |
2 | /* $nabe: if_udav.c,v 1.3 2003/08/21 16:57:19 nabe Exp $ */ |
3 | |
4 | /* |
5 | * Copyright (c) 2003 |
6 | * Shingo WATANABE <nabe@nabechan.org>. All rights reserved. |
7 | * |
8 | * Redistribution and use in source and binary forms, with or without |
9 | * modification, are permitted provided that the following conditions |
10 | * are met: |
11 | * 1. Redistributions of source code must retain the above copyright |
12 | * notice, this list of conditions and the following disclaimer. |
13 | * 2. Redistributions in binary form must reproduce the above copyright |
14 | * notice, this list of conditions and the following disclaimer in the |
15 | * documentation and/or other materials provided with the distribution. |
16 | * 3. Neither the name of the author nor the names of any co-contributors |
17 | * may be used to endorse or promote products derived from this software |
18 | * without specific prior written permission. |
19 | * |
20 | * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND |
21 | * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE |
22 | * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE |
23 | * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE |
24 | * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL |
25 | * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS |
26 | * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) |
27 | * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT |
28 | * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY |
29 | * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF |
30 | * SUCH DAMAGE. |
31 | * |
32 | */ |
33 | |
34 | /* |
35 | * DM9601(DAVICOM USB to Ethernet MAC Controller with Integrated 10/100 PHY) |
36 | * The spec can be found at the following url. |
37 | * http://www.davicom.com.tw/big5/download/Data%20Sheet/DM9601-DS-F01-062202s.pdf |
38 | */ |
39 | |
40 | /* |
41 | * TODO: |
42 | * Interrupt Endpoint support |
43 | * External PHYs |
44 | * powerhook() support? |
45 | */ |
46 | |
47 | #include <sys/cdefs.h> |
48 | __KERNEL_RCSID(0, "$NetBSD: if_udav.c,v 1.48 2016/07/07 06:55:42 msaitoh Exp $" ); |
49 | |
50 | #ifdef _KERNEL_OPT |
51 | #include "opt_inet.h" |
52 | #endif |
53 | |
54 | #include <sys/param.h> |
55 | #include <sys/systm.h> |
56 | #include <sys/mutex.h> |
57 | #include <sys/mbuf.h> |
58 | #include <sys/kernel.h> |
59 | #include <sys/socket.h> |
60 | #include <sys/device.h> |
61 | #include <sys/rndsource.h> |
62 | |
63 | #include <net/if.h> |
64 | #include <net/if_arp.h> |
65 | #include <net/if_dl.h> |
66 | #include <net/if_media.h> |
67 | |
68 | #include <net/bpf.h> |
69 | |
70 | #include <net/if_ether.h> |
71 | #ifdef INET |
72 | #include <netinet/in.h> |
73 | #include <netinet/if_inarp.h> |
74 | #endif |
75 | |
76 | #include <dev/mii/mii.h> |
77 | #include <dev/mii/miivar.h> |
78 | |
79 | #include <dev/usb/usb.h> |
80 | #include <dev/usb/usbdi.h> |
81 | #include <dev/usb/usbdi_util.h> |
82 | #include <dev/usb/usbdevs.h> |
83 | |
84 | #include <dev/usb/if_udavreg.h> |
85 | |
86 | |
87 | /* Function declarations */ |
88 | int udav_match(device_t, cfdata_t, void *); |
89 | void udav_attach(device_t, device_t, void *); |
90 | int udav_detach(device_t, int); |
91 | int udav_activate(device_t, enum devact); |
92 | extern struct cfdriver udav_cd; |
93 | CFATTACH_DECL_NEW(udav, sizeof(struct udav_softc), udav_match, udav_attach, |
94 | udav_detach, udav_activate); |
95 | |
96 | Static int udav_openpipes(struct udav_softc *); |
97 | Static int udav_rx_list_init(struct udav_softc *); |
98 | Static int udav_tx_list_init(struct udav_softc *); |
99 | Static int udav_newbuf(struct udav_softc *, struct udav_chain *, struct mbuf *); |
100 | Static void udav_start(struct ifnet *); |
101 | Static int udav_send(struct udav_softc *, struct mbuf *, int); |
102 | Static void udav_txeof(struct usbd_xfer *, void *, usbd_status); |
103 | Static void udav_rxeof(struct usbd_xfer *, void *, usbd_status); |
104 | Static void udav_tick(void *); |
105 | Static void udav_tick_task(void *); |
106 | Static int udav_ioctl(struct ifnet *, u_long, void *); |
107 | Static void udav_stop_task(struct udav_softc *); |
108 | Static void udav_stop(struct ifnet *, int); |
109 | Static void udav_watchdog(struct ifnet *); |
110 | Static int udav_ifmedia_change(struct ifnet *); |
111 | Static void udav_ifmedia_status(struct ifnet *, struct ifmediareq *); |
112 | Static void udav_lock_mii(struct udav_softc *); |
113 | Static void udav_unlock_mii(struct udav_softc *); |
114 | Static int udav_miibus_readreg(device_t, int, int); |
115 | Static void udav_miibus_writereg(device_t, int, int, int); |
116 | Static void udav_miibus_statchg(struct ifnet *); |
117 | Static int udav_init(struct ifnet *); |
118 | Static void udav_setmulti(struct udav_softc *); |
119 | Static void udav_reset(struct udav_softc *); |
120 | |
121 | Static int udav_csr_read(struct udav_softc *, int, void *, int); |
122 | Static int udav_csr_write(struct udav_softc *, int, void *, int); |
123 | Static int udav_csr_read1(struct udav_softc *, int); |
124 | Static int udav_csr_write1(struct udav_softc *, int, unsigned char); |
125 | |
126 | #if 0 |
127 | Static int udav_mem_read(struct udav_softc *, int, void *, int); |
128 | Static int udav_mem_write(struct udav_softc *, int, void *, int); |
129 | Static int udav_mem_write1(struct udav_softc *, int, unsigned char); |
130 | #endif |
131 | |
132 | /* Macros */ |
133 | #ifdef UDAV_DEBUG |
134 | #define DPRINTF(x) if (udavdebug) printf x |
135 | #define DPRINTFN(n,x) if (udavdebug >= (n)) printf x |
136 | int udavdebug = 0; |
137 | #else |
138 | #define DPRINTF(x) |
139 | #define DPRINTFN(n,x) |
140 | #endif |
141 | |
142 | #define UDAV_SETBIT(sc, reg, x) \ |
143 | udav_csr_write1(sc, reg, udav_csr_read1(sc, reg) | (x)) |
144 | |
145 | #define UDAV_CLRBIT(sc, reg, x) \ |
146 | udav_csr_write1(sc, reg, udav_csr_read1(sc, reg) & ~(x)) |
147 | |
148 | static const struct udav_type { |
149 | struct usb_devno udav_dev; |
150 | uint16_t udav_flags; |
151 | #define UDAV_EXT_PHY 0x0001 |
152 | #define UDAV_NO_PHY 0x0002 |
153 | } udav_devs [] = { |
154 | /* Corega USB-TXC */ |
155 | {{ USB_VENDOR_COREGA, USB_PRODUCT_COREGA_FETHER_USB_TXC }, 0}, |
156 | /* ShanTou ST268 USB NIC */ |
157 | {{ USB_VENDOR_SHANTOU, USB_PRODUCT_SHANTOU_ST268_USB_NIC }, 0}, |
158 | /* ShanTou ADM8515 */ |
159 | {{ USB_VENDOR_SHANTOU, USB_PRODUCT_SHANTOU_ADM8515 }, 0}, |
160 | /* SUNRISING SR9600 */ |
161 | {{ USB_VENDOR_SUNRISING, USB_PRODUCT_SUNRISING_SR9600 }, 0 }, |
162 | /* SUNRISING QF9700 */ |
163 | {{ USB_VENDOR_SUNRISING, USB_PRODUCT_SUNRISING_QF9700 }, UDAV_NO_PHY }, |
164 | /* QUAN DM9601 */ |
165 | {{USB_VENDOR_QUAN, USB_PRODUCT_QUAN_DM9601 }, 0}, |
166 | #if 0 |
167 | /* DAVICOM DM9601 Generic? */ |
168 | /* XXX: The following ids was obtained from the data sheet. */ |
169 | {{ 0x0a46, 0x9601 }, 0}, |
170 | #endif |
171 | }; |
172 | #define udav_lookup(v, p) ((const struct udav_type *)usb_lookup(udav_devs, v, p)) |
173 | |
174 | |
175 | /* Probe */ |
176 | int |
177 | udav_match(device_t parent, cfdata_t match, void *aux) |
178 | { |
179 | struct usb_attach_arg *uaa = aux; |
180 | |
181 | return udav_lookup(uaa->uaa_vendor, uaa->uaa_product) != NULL ? |
182 | UMATCH_VENDOR_PRODUCT : UMATCH_NONE; |
183 | } |
184 | |
185 | /* Attach */ |
186 | void |
187 | udav_attach(device_t parent, device_t self, void *aux) |
188 | { |
189 | struct udav_softc *sc = device_private(self); |
190 | struct usb_attach_arg *uaa = aux; |
191 | struct usbd_device *dev = uaa->uaa_device; |
192 | struct usbd_interface *iface; |
193 | usbd_status err; |
194 | usb_interface_descriptor_t *id; |
195 | usb_endpoint_descriptor_t *ed; |
196 | char *devinfop; |
197 | struct ifnet *ifp; |
198 | struct mii_data *mii; |
199 | u_char eaddr[ETHER_ADDR_LEN]; |
200 | int i, s; |
201 | |
202 | sc->sc_dev = self; |
203 | |
204 | aprint_naive("\n" ); |
205 | aprint_normal("\n" ); |
206 | |
207 | devinfop = usbd_devinfo_alloc(dev, 0); |
208 | aprint_normal_dev(self, "%s\n" , devinfop); |
209 | usbd_devinfo_free(devinfop); |
210 | |
211 | /* Move the device into the configured state. */ |
212 | err = usbd_set_config_no(dev, UDAV_CONFIG_NO, 1); /* idx 0 */ |
213 | if (err) { |
214 | aprint_error_dev(self, "failed to set configuration" |
215 | ", err=%s\n" , usbd_errstr(err)); |
216 | goto bad; |
217 | } |
218 | |
219 | usb_init_task(&sc->sc_tick_task, udav_tick_task, sc, 0); |
220 | mutex_init(&sc->sc_mii_lock, MUTEX_DEFAULT, IPL_NONE); |
221 | usb_init_task(&sc->sc_stop_task, (void (*)(void *))udav_stop_task, sc, |
222 | 0); |
223 | |
224 | /* get control interface */ |
225 | err = usbd_device2interface_handle(dev, UDAV_IFACE_INDEX, &iface); |
226 | if (err) { |
227 | aprint_error_dev(self, "failed to get interface, err=%s\n" , |
228 | usbd_errstr(err)); |
229 | goto bad; |
230 | } |
231 | |
232 | sc->sc_udev = dev; |
233 | sc->sc_ctl_iface = iface; |
234 | sc->sc_flags = udav_lookup(uaa->uaa_vendor, |
235 | uaa->uaa_product)->udav_flags; |
236 | |
237 | /* get interface descriptor */ |
238 | id = usbd_get_interface_descriptor(sc->sc_ctl_iface); |
239 | |
240 | /* find endpoints */ |
241 | sc->sc_bulkin_no = sc->sc_bulkout_no = sc->sc_intrin_no = -1; |
242 | for (i = 0; i < id->bNumEndpoints; i++) { |
243 | ed = usbd_interface2endpoint_descriptor(sc->sc_ctl_iface, i); |
244 | if (ed == NULL) { |
245 | aprint_error_dev(self, "couldn't get endpoint %d\n" , i); |
246 | goto bad; |
247 | } |
248 | if ((ed->bmAttributes & UE_XFERTYPE) == UE_BULK && |
249 | UE_GET_DIR(ed->bEndpointAddress) == UE_DIR_IN) |
250 | sc->sc_bulkin_no = ed->bEndpointAddress; /* RX */ |
251 | else if ((ed->bmAttributes & UE_XFERTYPE) == UE_BULK && |
252 | UE_GET_DIR(ed->bEndpointAddress) == UE_DIR_OUT) |
253 | sc->sc_bulkout_no = ed->bEndpointAddress; /* TX */ |
254 | else if ((ed->bmAttributes & UE_XFERTYPE) == UE_INTERRUPT && |
255 | UE_GET_DIR(ed->bEndpointAddress) == UE_DIR_IN) |
256 | sc->sc_intrin_no = ed->bEndpointAddress; /* Status */ |
257 | } |
258 | |
259 | if (sc->sc_bulkin_no == -1 || sc->sc_bulkout_no == -1 || |
260 | sc->sc_intrin_no == -1) { |
261 | aprint_error_dev(self, "missing endpoint\n" ); |
262 | goto bad; |
263 | } |
264 | |
265 | s = splnet(); |
266 | |
267 | /* reset the adapter */ |
268 | udav_reset(sc); |
269 | |
270 | /* Get Ethernet Address */ |
271 | err = udav_csr_read(sc, UDAV_PAR, (void *)eaddr, ETHER_ADDR_LEN); |
272 | if (err) { |
273 | aprint_error_dev(self, "read MAC address failed\n" ); |
274 | splx(s); |
275 | goto bad; |
276 | } |
277 | |
278 | /* Print Ethernet Address */ |
279 | aprint_normal_dev(self, "Ethernet address %s\n" , ether_sprintf(eaddr)); |
280 | |
281 | /* initialize interface information */ |
282 | ifp = GET_IFP(sc); |
283 | ifp->if_softc = sc; |
284 | ifp->if_mtu = ETHERMTU; |
285 | strncpy(ifp->if_xname, device_xname(self), IFNAMSIZ); |
286 | ifp->if_flags = IFF_BROADCAST | IFF_SIMPLEX | IFF_MULTICAST; |
287 | ifp->if_start = udav_start; |
288 | ifp->if_ioctl = udav_ioctl; |
289 | ifp->if_watchdog = udav_watchdog; |
290 | ifp->if_init = udav_init; |
291 | ifp->if_stop = udav_stop; |
292 | |
293 | IFQ_SET_READY(&ifp->if_snd); |
294 | |
295 | if (ISSET(sc->sc_flags, UDAV_NO_PHY)) { |
296 | sc->sc_link = 1; |
297 | goto skipmii; |
298 | } |
299 | |
300 | /* |
301 | * Do ifmedia setup. |
302 | */ |
303 | mii = &sc->sc_mii; |
304 | mii->mii_ifp = ifp; |
305 | mii->mii_readreg = udav_miibus_readreg; |
306 | mii->mii_writereg = udav_miibus_writereg; |
307 | mii->mii_statchg = udav_miibus_statchg; |
308 | mii->mii_flags = MIIF_AUTOTSLEEP; |
309 | sc->sc_ec.ec_mii = mii; |
310 | ifmedia_init(&mii->mii_media, 0, |
311 | udav_ifmedia_change, udav_ifmedia_status); |
312 | mii_attach(self, mii, 0xffffffff, MII_PHY_ANY, MII_OFFSET_ANY, 0); |
313 | if (LIST_FIRST(&mii->mii_phys) == NULL) { |
314 | ifmedia_add(&mii->mii_media, IFM_ETHER | IFM_NONE, 0, NULL); |
315 | ifmedia_set(&mii->mii_media, IFM_ETHER | IFM_NONE); |
316 | } else |
317 | ifmedia_set(&mii->mii_media, IFM_ETHER | IFM_AUTO); |
318 | |
319 | skipmii: |
320 | /* attach the interface */ |
321 | if_attach(ifp); |
322 | ether_ifattach(ifp, eaddr); |
323 | |
324 | rnd_attach_source(&sc->rnd_source, device_xname(self), |
325 | RND_TYPE_NET, RND_FLAG_DEFAULT); |
326 | |
327 | callout_init(&sc->sc_stat_ch, 0); |
328 | sc->sc_attached = 1; |
329 | splx(s); |
330 | |
331 | usbd_add_drv_event(USB_EVENT_DRIVER_ATTACH, dev, sc->sc_dev); |
332 | |
333 | return; |
334 | |
335 | bad: |
336 | sc->sc_dying = 1; |
337 | return; |
338 | } |
339 | |
340 | /* detach */ |
341 | int |
342 | udav_detach(device_t self, int flags) |
343 | { |
344 | struct udav_softc *sc = device_private(self); |
345 | struct ifnet *ifp = GET_IFP(sc); |
346 | int s; |
347 | |
348 | DPRINTF(("%s: %s: enter\n" , device_xname(sc->sc_dev), __func__)); |
349 | |
350 | /* Detached before attached finished */ |
351 | if (!sc->sc_attached) |
352 | return 0; |
353 | |
354 | callout_stop(&sc->sc_stat_ch); |
355 | |
356 | /* Remove any pending tasks */ |
357 | usb_rem_task(sc->sc_udev, &sc->sc_tick_task); |
358 | usb_rem_task(sc->sc_udev, &sc->sc_stop_task); |
359 | |
360 | s = splusb(); |
361 | |
362 | if (--sc->sc_refcnt >= 0) { |
363 | /* Wait for processes to go away */ |
364 | usb_detach_waitold(sc->sc_dev); |
365 | } |
366 | if (ifp->if_flags & IFF_RUNNING) |
367 | udav_stop(GET_IFP(sc), 1); |
368 | |
369 | rnd_detach_source(&sc->rnd_source); |
370 | mii_detach(&sc->sc_mii, MII_PHY_ANY, MII_OFFSET_ANY); |
371 | ifmedia_delete_instance(&sc->sc_mii.mii_media, IFM_INST_ANY); |
372 | ether_ifdetach(ifp); |
373 | if_detach(ifp); |
374 | |
375 | #ifdef DIAGNOSTIC |
376 | if (sc->sc_pipe_tx != NULL) |
377 | aprint_debug_dev(self, "detach has active tx endpoint.\n" ); |
378 | if (sc->sc_pipe_rx != NULL) |
379 | aprint_debug_dev(self, "detach has active rx endpoint.\n" ); |
380 | if (sc->sc_pipe_intr != NULL) |
381 | aprint_debug_dev(self, "detach has active intr endpoint.\n" ); |
382 | #endif |
383 | sc->sc_attached = 0; |
384 | |
385 | splx(s); |
386 | |
387 | usbd_add_drv_event(USB_EVENT_DRIVER_DETACH, sc->sc_udev, sc->sc_dev); |
388 | |
389 | mutex_destroy(&sc->sc_mii_lock); |
390 | |
391 | return 0; |
392 | } |
393 | |
394 | #if 0 |
395 | /* read memory */ |
396 | Static int |
397 | udav_mem_read(struct udav_softc *sc, int offset, void *buf, int len) |
398 | { |
399 | usb_device_request_t req; |
400 | usbd_status err; |
401 | |
402 | if (sc == NULL) |
403 | return 0; |
404 | |
405 | DPRINTFN(0x200, |
406 | ("%s: %s: enter\n" , device_xname(sc->sc_dev), __func__)); |
407 | |
408 | if (sc->sc_dying) |
409 | return 0; |
410 | |
411 | offset &= 0xffff; |
412 | len &= 0xff; |
413 | |
414 | req.bmRequestType = UT_READ_VENDOR_DEVICE; |
415 | req.bRequest = UDAV_REQ_MEM_READ; |
416 | USETW(req.wValue, 0x0000); |
417 | USETW(req.wIndex, offset); |
418 | USETW(req.wLength, len); |
419 | |
420 | sc->sc_refcnt++; |
421 | err = usbd_do_request(sc->sc_udev, &req, buf); |
422 | if (--sc->sc_refcnt < 0) |
423 | usb_detach_wakeupold(sc->sc_dev); |
424 | if (err) { |
425 | DPRINTF(("%s: %s: read failed. off=%04x, err=%d\n" , |
426 | device_xname(sc->sc_dev), __func__, offset, err)); |
427 | } |
428 | |
429 | return err; |
430 | } |
431 | |
432 | /* write memory */ |
433 | Static int |
434 | udav_mem_write(struct udav_softc *sc, int offset, void *buf, int len) |
435 | { |
436 | usb_device_request_t req; |
437 | usbd_status err; |
438 | |
439 | if (sc == NULL) |
440 | return 0; |
441 | |
442 | DPRINTFN(0x200, |
443 | ("%s: %s: enter\n" , device_xname(sc->sc_dev), __func__)); |
444 | |
445 | if (sc->sc_dying) |
446 | return 0; |
447 | |
448 | offset &= 0xffff; |
449 | len &= 0xff; |
450 | |
451 | req.bmRequestType = UT_WRITE_VENDOR_DEVICE; |
452 | req.bRequest = UDAV_REQ_MEM_WRITE; |
453 | USETW(req.wValue, 0x0000); |
454 | USETW(req.wIndex, offset); |
455 | USETW(req.wLength, len); |
456 | |
457 | sc->sc_refcnt++; |
458 | err = usbd_do_request(sc->sc_udev, &req, buf); |
459 | if (--sc->sc_refcnt < 0) |
460 | usb_detach_wakeupold(sc->sc_dev); |
461 | if (err) { |
462 | DPRINTF(("%s: %s: write failed. off=%04x, err=%d\n" , |
463 | device_xname(sc->sc_dev), __func__, offset, err)); |
464 | } |
465 | |
466 | return err; |
467 | } |
468 | |
469 | /* write memory */ |
470 | Static int |
471 | udav_mem_write1(struct udav_softc *sc, int offset, unsigned char ch) |
472 | { |
473 | usb_device_request_t req; |
474 | usbd_status err; |
475 | |
476 | if (sc == NULL) |
477 | return 0; |
478 | |
479 | DPRINTFN(0x200, |
480 | ("%s: %s: enter\n" , device_xname(sc->sc_dev), __func__)); |
481 | |
482 | if (sc->sc_dying) |
483 | return 0; |
484 | |
485 | offset &= 0xffff; |
486 | |
487 | req.bmRequestType = UT_WRITE_VENDOR_DEVICE; |
488 | req.bRequest = UDAV_REQ_MEM_WRITE1; |
489 | USETW(req.wValue, ch); |
490 | USETW(req.wIndex, offset); |
491 | USETW(req.wLength, 0x0000); |
492 | |
493 | sc->sc_refcnt++; |
494 | err = usbd_do_request(sc->sc_udev, &req, NULL); |
495 | if (--sc->sc_refcnt < 0) |
496 | usb_detach_wakeupold(sc->sc_dev); |
497 | if (err) { |
498 | DPRINTF(("%s: %s: write failed. off=%04x, err=%d\n" , |
499 | device_xname(sc->sc_dev), __func__, offset, err)); |
500 | } |
501 | |
502 | return err; |
503 | } |
504 | #endif |
505 | |
506 | /* read register(s) */ |
507 | Static int |
508 | udav_csr_read(struct udav_softc *sc, int offset, void *buf, int len) |
509 | { |
510 | usb_device_request_t req; |
511 | usbd_status err; |
512 | |
513 | if (sc == NULL) |
514 | return 0; |
515 | |
516 | DPRINTFN(0x200, |
517 | ("%s: %s: enter\n" , device_xname(sc->sc_dev), __func__)); |
518 | |
519 | if (sc->sc_dying) |
520 | return 0; |
521 | |
522 | offset &= 0xff; |
523 | len &= 0xff; |
524 | |
525 | req.bmRequestType = UT_READ_VENDOR_DEVICE; |
526 | req.bRequest = UDAV_REQ_REG_READ; |
527 | USETW(req.wValue, 0x0000); |
528 | USETW(req.wIndex, offset); |
529 | USETW(req.wLength, len); |
530 | |
531 | sc->sc_refcnt++; |
532 | err = usbd_do_request(sc->sc_udev, &req, buf); |
533 | if (--sc->sc_refcnt < 0) |
534 | usb_detach_wakeupold(sc->sc_dev); |
535 | if (err) { |
536 | DPRINTF(("%s: %s: read failed. off=%04x, err=%d\n" , |
537 | device_xname(sc->sc_dev), __func__, offset, err)); |
538 | } |
539 | |
540 | return err; |
541 | } |
542 | |
543 | /* write register(s) */ |
544 | Static int |
545 | udav_csr_write(struct udav_softc *sc, int offset, void *buf, int len) |
546 | { |
547 | usb_device_request_t req; |
548 | usbd_status err; |
549 | |
550 | if (sc == NULL) |
551 | return 0; |
552 | |
553 | DPRINTFN(0x200, |
554 | ("%s: %s: enter\n" , device_xname(sc->sc_dev), __func__)); |
555 | |
556 | if (sc->sc_dying) |
557 | return 0; |
558 | |
559 | offset &= 0xff; |
560 | len &= 0xff; |
561 | |
562 | req.bmRequestType = UT_WRITE_VENDOR_DEVICE; |
563 | req.bRequest = UDAV_REQ_REG_WRITE; |
564 | USETW(req.wValue, 0x0000); |
565 | USETW(req.wIndex, offset); |
566 | USETW(req.wLength, len); |
567 | |
568 | sc->sc_refcnt++; |
569 | err = usbd_do_request(sc->sc_udev, &req, buf); |
570 | if (--sc->sc_refcnt < 0) |
571 | usb_detach_wakeupold(sc->sc_dev); |
572 | if (err) { |
573 | DPRINTF(("%s: %s: write failed. off=%04x, err=%d\n" , |
574 | device_xname(sc->sc_dev), __func__, offset, err)); |
575 | } |
576 | |
577 | return err; |
578 | } |
579 | |
580 | Static int |
581 | udav_csr_read1(struct udav_softc *sc, int offset) |
582 | { |
583 | uint8_t val = 0; |
584 | |
585 | if (sc == NULL) |
586 | return 0; |
587 | |
588 | DPRINTFN(0x200, |
589 | ("%s: %s: enter\n" , device_xname(sc->sc_dev), __func__)); |
590 | |
591 | if (sc->sc_dying) |
592 | return 0; |
593 | |
594 | return udav_csr_read(sc, offset, &val, 1) ? 0 : val; |
595 | } |
596 | |
597 | /* write a register */ |
598 | Static int |
599 | udav_csr_write1(struct udav_softc *sc, int offset, unsigned char ch) |
600 | { |
601 | usb_device_request_t req; |
602 | usbd_status err; |
603 | |
604 | if (sc == NULL) |
605 | return 0; |
606 | |
607 | DPRINTFN(0x200, |
608 | ("%s: %s: enter\n" , device_xname(sc->sc_dev), __func__)); |
609 | |
610 | if (sc->sc_dying) |
611 | return 0; |
612 | |
613 | offset &= 0xff; |
614 | |
615 | req.bmRequestType = UT_WRITE_VENDOR_DEVICE; |
616 | req.bRequest = UDAV_REQ_REG_WRITE1; |
617 | USETW(req.wValue, ch); |
618 | USETW(req.wIndex, offset); |
619 | USETW(req.wLength, 0x0000); |
620 | |
621 | sc->sc_refcnt++; |
622 | err = usbd_do_request(sc->sc_udev, &req, NULL); |
623 | if (--sc->sc_refcnt < 0) |
624 | usb_detach_wakeupold(sc->sc_dev); |
625 | if (err) { |
626 | DPRINTF(("%s: %s: write failed. off=%04x, err=%d\n" , |
627 | device_xname(sc->sc_dev), __func__, offset, err)); |
628 | } |
629 | |
630 | return err; |
631 | } |
632 | |
633 | Static int |
634 | udav_init(struct ifnet *ifp) |
635 | { |
636 | struct udav_softc *sc = ifp->if_softc; |
637 | struct mii_data *mii = GET_MII(sc); |
638 | uint8_t eaddr[ETHER_ADDR_LEN]; |
639 | int rc, s; |
640 | |
641 | DPRINTF(("%s: %s: enter\n" , device_xname(sc->sc_dev), __func__)); |
642 | |
643 | if (sc->sc_dying) |
644 | return EIO; |
645 | |
646 | s = splnet(); |
647 | |
648 | /* Cancel pending I/O and free all TX/RX buffers */ |
649 | udav_stop(ifp, 1); |
650 | |
651 | memcpy(eaddr, CLLADDR(ifp->if_sadl), sizeof(eaddr)); |
652 | udav_csr_write(sc, UDAV_PAR, eaddr, ETHER_ADDR_LEN); |
653 | |
654 | /* Initialize network control register */ |
655 | /* Disable loopback */ |
656 | UDAV_CLRBIT(sc, UDAV_NCR, UDAV_NCR_LBK0 | UDAV_NCR_LBK1); |
657 | |
658 | /* Initialize RX control register */ |
659 | UDAV_SETBIT(sc, UDAV_RCR, UDAV_RCR_DIS_LONG | UDAV_RCR_DIS_CRC); |
660 | |
661 | /* If we want promiscuous mode, accept all physical frames. */ |
662 | if (ifp->if_flags & IFF_PROMISC) |
663 | UDAV_SETBIT(sc, UDAV_RCR, UDAV_RCR_ALL|UDAV_RCR_PRMSC); |
664 | else |
665 | UDAV_CLRBIT(sc, UDAV_RCR, UDAV_RCR_ALL|UDAV_RCR_PRMSC); |
666 | |
667 | /* Load the multicast filter */ |
668 | udav_setmulti(sc); |
669 | |
670 | /* Enable RX */ |
671 | UDAV_SETBIT(sc, UDAV_RCR, UDAV_RCR_RXEN); |
672 | |
673 | /* clear POWER_DOWN state of internal PHY */ |
674 | UDAV_SETBIT(sc, UDAV_GPCR, UDAV_GPCR_GEP_CNTL0); |
675 | UDAV_CLRBIT(sc, UDAV_GPR, UDAV_GPR_GEPIO0); |
676 | |
677 | if ((rc = mii_mediachg(mii)) == ENXIO) |
678 | rc = 0; |
679 | else if (rc != 0) |
680 | goto out; |
681 | |
682 | if (sc->sc_pipe_tx == NULL || sc->sc_pipe_rx == NULL) { |
683 | if (udav_openpipes(sc)) { |
684 | splx(s); |
685 | return EIO; |
686 | } |
687 | } |
688 | |
689 | /* Initialize transmit ring */ |
690 | if (udav_tx_list_init(sc)) { |
691 | printf("%s: tx list init failed\n" , device_xname(sc->sc_dev)); |
692 | splx(s); |
693 | return EIO; |
694 | } |
695 | |
696 | /* Initialize receive ring */ |
697 | if (udav_rx_list_init(sc)) { |
698 | printf("%s: rx list init failed\n" , device_xname(sc->sc_dev)); |
699 | splx(s); |
700 | return EIO; |
701 | } |
702 | |
703 | /* Start up the receive pipe. */ |
704 | for (size_t i = 0; i < UDAV_RX_LIST_CNT; i++) { |
705 | struct udav_chain *c = &sc->sc_cdata.udav_rx_chain[i]; |
706 | usbd_setup_xfer(c->udav_xfer, c, c->udav_buf, UDAV_BUFSZ, |
707 | USBD_SHORT_XFER_OK, USBD_NO_TIMEOUT, udav_rxeof); |
708 | (void)usbd_transfer(c->udav_xfer); |
709 | DPRINTF(("%s: %s: start read\n" , device_xname(sc->sc_dev), |
710 | __func__)); |
711 | } |
712 | |
713 | ifp->if_flags |= IFF_RUNNING; |
714 | ifp->if_flags &= ~IFF_OACTIVE; |
715 | |
716 | callout_reset(&sc->sc_stat_ch, hz, udav_tick, sc); |
717 | |
718 | out: |
719 | splx(s); |
720 | return rc; |
721 | } |
722 | |
723 | Static void |
724 | udav_reset(struct udav_softc *sc) |
725 | { |
726 | int i; |
727 | |
728 | DPRINTF(("%s: %s: enter\n" , device_xname(sc->sc_dev), __func__)); |
729 | |
730 | if (sc->sc_dying) |
731 | return; |
732 | |
733 | /* Select PHY */ |
734 | #if 1 |
735 | /* |
736 | * XXX: force select internal phy. |
737 | * external phy routines are not tested. |
738 | */ |
739 | UDAV_CLRBIT(sc, UDAV_NCR, UDAV_NCR_EXT_PHY); |
740 | #else |
741 | if (sc->sc_flags & UDAV_EXT_PHY) { |
742 | UDAV_SETBIT(sc, UDAV_NCR, UDAV_NCR_EXT_PHY); |
743 | } else { |
744 | UDAV_CLRBIT(sc, UDAV_NCR, UDAV_NCR_EXT_PHY); |
745 | } |
746 | #endif |
747 | |
748 | UDAV_SETBIT(sc, UDAV_NCR, UDAV_NCR_RST); |
749 | |
750 | for (i = 0; i < UDAV_TX_TIMEOUT; i++) { |
751 | if (!(udav_csr_read1(sc, UDAV_NCR) & UDAV_NCR_RST)) |
752 | break; |
753 | delay(10); /* XXX */ |
754 | } |
755 | delay(10000); /* XXX */ |
756 | } |
757 | |
758 | int |
759 | udav_activate(device_t self, enum devact act) |
760 | { |
761 | struct udav_softc *sc = device_private(self); |
762 | |
763 | DPRINTF(("%s: %s: enter, act=%d\n" , device_xname(sc->sc_dev), |
764 | __func__, act)); |
765 | switch (act) { |
766 | case DVACT_DEACTIVATE: |
767 | if_deactivate(&sc->sc_ec.ec_if); |
768 | sc->sc_dying = 1; |
769 | return 0; |
770 | default: |
771 | return EOPNOTSUPP; |
772 | } |
773 | } |
774 | |
775 | #define UDAV_BITS 6 |
776 | |
777 | #define UDAV_CALCHASH(addr) \ |
778 | (ether_crc32_le((addr), ETHER_ADDR_LEN) & ((1 << UDAV_BITS) - 1)) |
779 | |
780 | Static void |
781 | udav_setmulti(struct udav_softc *sc) |
782 | { |
783 | struct ifnet *ifp; |
784 | struct ether_multi *enm; |
785 | struct ether_multistep step; |
786 | uint8_t hashes[8]; |
787 | int h = 0; |
788 | |
789 | DPRINTF(("%s: %s: enter\n" , device_xname(sc->sc_dev), __func__)); |
790 | |
791 | if (sc->sc_dying) |
792 | return; |
793 | |
794 | ifp = GET_IFP(sc); |
795 | |
796 | if (ISSET(sc->sc_flags, UDAV_NO_PHY)) { |
797 | UDAV_SETBIT(sc, UDAV_RCR, UDAV_RCR_ALL); |
798 | UDAV_SETBIT(sc, UDAV_RCR, UDAV_RCR_PRMSC); |
799 | return; |
800 | } |
801 | |
802 | if (ifp->if_flags & IFF_PROMISC) { |
803 | UDAV_SETBIT(sc, UDAV_RCR, UDAV_RCR_ALL|UDAV_RCR_PRMSC); |
804 | return; |
805 | } else if (ifp->if_flags & IFF_ALLMULTI) { |
806 | allmulti: |
807 | ifp->if_flags |= IFF_ALLMULTI; |
808 | UDAV_SETBIT(sc, UDAV_RCR, UDAV_RCR_ALL); |
809 | UDAV_CLRBIT(sc, UDAV_RCR, UDAV_RCR_PRMSC); |
810 | return; |
811 | } |
812 | |
813 | /* first, zot all the existing hash bits */ |
814 | memset(hashes, 0x00, sizeof(hashes)); |
815 | hashes[7] |= 0x80; /* broadcast address */ |
816 | udav_csr_write(sc, UDAV_MAR, hashes, sizeof(hashes)); |
817 | |
818 | /* now program new ones */ |
819 | ETHER_FIRST_MULTI(step, &sc->sc_ec, enm); |
820 | while (enm != NULL) { |
821 | if (memcmp(enm->enm_addrlo, enm->enm_addrhi, |
822 | ETHER_ADDR_LEN) != 0) |
823 | goto allmulti; |
824 | |
825 | h = UDAV_CALCHASH(enm->enm_addrlo); |
826 | hashes[h>>3] |= 1 << (h & 0x7); |
827 | ETHER_NEXT_MULTI(step, enm); |
828 | } |
829 | |
830 | /* disable all multicast */ |
831 | ifp->if_flags &= ~IFF_ALLMULTI; |
832 | UDAV_CLRBIT(sc, UDAV_RCR, UDAV_RCR_ALL); |
833 | |
834 | /* write hash value to the register */ |
835 | udav_csr_write(sc, UDAV_MAR, hashes, sizeof(hashes)); |
836 | } |
837 | |
838 | Static int |
839 | udav_openpipes(struct udav_softc *sc) |
840 | { |
841 | usbd_status err; |
842 | int error = 0; |
843 | |
844 | if (sc->sc_dying) |
845 | return EIO; |
846 | |
847 | sc->sc_refcnt++; |
848 | |
849 | /* Open RX pipe */ |
850 | err = usbd_open_pipe(sc->sc_ctl_iface, sc->sc_bulkin_no, |
851 | USBD_EXCLUSIVE_USE, &sc->sc_pipe_rx); |
852 | if (err) { |
853 | printf("%s: open rx pipe failed: %s\n" , |
854 | device_xname(sc->sc_dev), usbd_errstr(err)); |
855 | error = EIO; |
856 | goto done; |
857 | } |
858 | |
859 | /* Open TX pipe */ |
860 | err = usbd_open_pipe(sc->sc_ctl_iface, sc->sc_bulkout_no, |
861 | USBD_EXCLUSIVE_USE, &sc->sc_pipe_tx); |
862 | if (err) { |
863 | printf("%s: open tx pipe failed: %s\n" , |
864 | device_xname(sc->sc_dev), usbd_errstr(err)); |
865 | error = EIO; |
866 | goto done; |
867 | } |
868 | |
869 | #if 0 |
870 | /* XXX: interrupt endpoint is not yet supported */ |
871 | /* Open Interrupt pipe */ |
872 | err = usbd_open_pipe_intr(sc->sc_ctl_iface, sc->sc_intrin_no, |
873 | USBD_EXCLUSIVE_USE, &sc->sc_pipe_intr, sc, |
874 | &sc->sc_cdata.udav_ibuf, UDAV_INTR_PKGLEN, |
875 | udav_intr, USBD_DEFAULT_INTERVAL); |
876 | if (err) { |
877 | printf("%s: open intr pipe failed: %s\n" , |
878 | device_xname(sc->sc_dev), usbd_errstr(err)); |
879 | error = EIO; |
880 | goto done; |
881 | } |
882 | #endif |
883 | done: |
884 | if (--sc->sc_refcnt < 0) |
885 | usb_detach_wakeupold(sc->sc_dev); |
886 | |
887 | return error; |
888 | } |
889 | |
890 | Static int |
891 | udav_newbuf(struct udav_softc *sc, struct udav_chain *c, struct mbuf *m) |
892 | { |
893 | struct mbuf *m_new = NULL; |
894 | |
895 | DPRINTF(("%s: %s: enter\n" , device_xname(sc->sc_dev), __func__)); |
896 | |
897 | if (m == NULL) { |
898 | MGETHDR(m_new, M_DONTWAIT, MT_DATA); |
899 | if (m_new == NULL) { |
900 | printf("%s: no memory for rx list " |
901 | "-- packet dropped!\n" , device_xname(sc->sc_dev)); |
902 | return ENOBUFS; |
903 | } |
904 | MCLGET(m_new, M_DONTWAIT); |
905 | if (!(m_new->m_flags & M_EXT)) { |
906 | printf("%s: no memory for rx list " |
907 | "-- packet dropped!\n" , device_xname(sc->sc_dev)); |
908 | m_freem(m_new); |
909 | return ENOBUFS; |
910 | } |
911 | m_new->m_len = m_new->m_pkthdr.len = MCLBYTES; |
912 | } else { |
913 | m_new = m; |
914 | m_new->m_len = m_new->m_pkthdr.len = MCLBYTES; |
915 | m_new->m_data = m_new->m_ext.ext_buf; |
916 | } |
917 | |
918 | m_adj(m_new, ETHER_ALIGN); |
919 | c->udav_mbuf = m_new; |
920 | |
921 | return 0; |
922 | } |
923 | |
924 | |
925 | Static int |
926 | udav_rx_list_init(struct udav_softc *sc) |
927 | { |
928 | struct udav_cdata *cd; |
929 | struct udav_chain *c; |
930 | int i; |
931 | |
932 | DPRINTF(("%s: %s: enter\n" , device_xname(sc->sc_dev), __func__)); |
933 | |
934 | cd = &sc->sc_cdata; |
935 | for (i = 0; i < UDAV_RX_LIST_CNT; i++) { |
936 | c = &cd->udav_rx_chain[i]; |
937 | c->udav_sc = sc; |
938 | c->udav_idx = i; |
939 | if (udav_newbuf(sc, c, NULL) == ENOBUFS) |
940 | return ENOBUFS; |
941 | if (c->udav_xfer == NULL) { |
942 | int error = usbd_create_xfer(sc->sc_pipe_rx, |
943 | UDAV_BUFSZ, USBD_SHORT_XFER_OK, 0, &c->udav_xfer); |
944 | if (error) |
945 | return error; |
946 | c->udav_buf = usbd_get_buffer(c->udav_xfer); |
947 | } |
948 | } |
949 | |
950 | return 0; |
951 | } |
952 | |
953 | Static int |
954 | udav_tx_list_init(struct udav_softc *sc) |
955 | { |
956 | struct udav_cdata *cd; |
957 | struct udav_chain *c; |
958 | int i; |
959 | |
960 | DPRINTF(("%s: %s: enter\n" , device_xname(sc->sc_dev), __func__)); |
961 | |
962 | cd = &sc->sc_cdata; |
963 | for (i = 0; i < UDAV_TX_LIST_CNT; i++) { |
964 | c = &cd->udav_tx_chain[i]; |
965 | c->udav_sc = sc; |
966 | c->udav_idx = i; |
967 | c->udav_mbuf = NULL; |
968 | if (c->udav_xfer == NULL) { |
969 | int error = usbd_create_xfer(sc->sc_pipe_tx, UDAV_BUFSZ, |
970 | USBD_FORCE_SHORT_XFER, 0, &c->udav_xfer); |
971 | if (error) |
972 | return error; |
973 | c->udav_buf = usbd_get_buffer(c->udav_xfer); |
974 | } |
975 | } |
976 | |
977 | return 0; |
978 | } |
979 | |
980 | Static void |
981 | udav_start(struct ifnet *ifp) |
982 | { |
983 | struct udav_softc *sc = ifp->if_softc; |
984 | struct mbuf *m_head = NULL; |
985 | |
986 | DPRINTF(("%s: %s: enter, link=%d\n" , device_xname(sc->sc_dev), |
987 | __func__, sc->sc_link)); |
988 | |
989 | if (sc->sc_dying) |
990 | return; |
991 | |
992 | if (!sc->sc_link) |
993 | return; |
994 | |
995 | if (ifp->if_flags & IFF_OACTIVE) |
996 | return; |
997 | |
998 | IFQ_POLL(&ifp->if_snd, m_head); |
999 | if (m_head == NULL) |
1000 | return; |
1001 | |
1002 | if (udav_send(sc, m_head, 0)) { |
1003 | ifp->if_flags |= IFF_OACTIVE; |
1004 | return; |
1005 | } |
1006 | |
1007 | IFQ_DEQUEUE(&ifp->if_snd, m_head); |
1008 | |
1009 | bpf_mtap(ifp, m_head); |
1010 | |
1011 | ifp->if_flags |= IFF_OACTIVE; |
1012 | |
1013 | /* Set a timeout in case the chip goes out to lunch. */ |
1014 | ifp->if_timer = 5; |
1015 | } |
1016 | |
1017 | Static int |
1018 | udav_send(struct udav_softc *sc, struct mbuf *m, int idx) |
1019 | { |
1020 | int total_len; |
1021 | struct udav_chain *c; |
1022 | usbd_status err; |
1023 | |
1024 | DPRINTF(("%s: %s: enter\n" , device_xname(sc->sc_dev),__func__)); |
1025 | |
1026 | c = &sc->sc_cdata.udav_tx_chain[idx]; |
1027 | |
1028 | /* Copy the mbuf data into a contiguous buffer */ |
1029 | /* first 2 bytes are packet length */ |
1030 | m_copydata(m, 0, m->m_pkthdr.len, c->udav_buf + 2); |
1031 | c->udav_mbuf = m; |
1032 | total_len = m->m_pkthdr.len; |
1033 | if (total_len < UDAV_MIN_FRAME_LEN) { |
1034 | memset(c->udav_buf + 2 + total_len, 0, |
1035 | UDAV_MIN_FRAME_LEN - total_len); |
1036 | total_len = UDAV_MIN_FRAME_LEN; |
1037 | } |
1038 | |
1039 | /* Frame length is specified in the first 2bytes of the buffer */ |
1040 | c->udav_buf[0] = (uint8_t)total_len; |
1041 | c->udav_buf[1] = (uint8_t)(total_len >> 8); |
1042 | total_len += 2; |
1043 | |
1044 | usbd_setup_xfer(c->udav_xfer, c, c->udav_buf, total_len, |
1045 | USBD_FORCE_SHORT_XFER, UDAV_TX_TIMEOUT, udav_txeof); |
1046 | |
1047 | /* Transmit */ |
1048 | sc->sc_refcnt++; |
1049 | err = usbd_transfer(c->udav_xfer); |
1050 | if (--sc->sc_refcnt < 0) |
1051 | usb_detach_wakeupold(sc->sc_dev); |
1052 | if (err != USBD_IN_PROGRESS) { |
1053 | printf("%s: udav_send error=%s\n" , device_xname(sc->sc_dev), |
1054 | usbd_errstr(err)); |
1055 | /* Stop the interface */ |
1056 | usb_add_task(sc->sc_udev, &sc->sc_stop_task, |
1057 | USB_TASKQ_DRIVER); |
1058 | return EIO; |
1059 | } |
1060 | |
1061 | DPRINTF(("%s: %s: send %d bytes\n" , device_xname(sc->sc_dev), |
1062 | __func__, total_len)); |
1063 | |
1064 | sc->sc_cdata.udav_tx_cnt++; |
1065 | |
1066 | return 0; |
1067 | } |
1068 | |
1069 | Static void |
1070 | udav_txeof(struct usbd_xfer *xfer, void *priv, |
1071 | usbd_status status) |
1072 | { |
1073 | struct udav_chain *c = priv; |
1074 | struct udav_softc *sc = c->udav_sc; |
1075 | struct ifnet *ifp = GET_IFP(sc); |
1076 | int s; |
1077 | |
1078 | if (sc->sc_dying) |
1079 | return; |
1080 | |
1081 | s = splnet(); |
1082 | |
1083 | DPRINTF(("%s: %s: enter\n" , device_xname(sc->sc_dev), __func__)); |
1084 | |
1085 | ifp->if_timer = 0; |
1086 | ifp->if_flags &= ~IFF_OACTIVE; |
1087 | |
1088 | if (status != USBD_NORMAL_COMPLETION) { |
1089 | if (status == USBD_NOT_STARTED || status == USBD_CANCELLED) { |
1090 | splx(s); |
1091 | return; |
1092 | } |
1093 | ifp->if_oerrors++; |
1094 | printf("%s: usb error on tx: %s\n" , device_xname(sc->sc_dev), |
1095 | usbd_errstr(status)); |
1096 | if (status == USBD_STALLED) { |
1097 | sc->sc_refcnt++; |
1098 | usbd_clear_endpoint_stall_async(sc->sc_pipe_tx); |
1099 | if (--sc->sc_refcnt < 0) |
1100 | usb_detach_wakeupold(sc->sc_dev); |
1101 | } |
1102 | splx(s); |
1103 | return; |
1104 | } |
1105 | |
1106 | ifp->if_opackets++; |
1107 | |
1108 | m_freem(c->udav_mbuf); |
1109 | c->udav_mbuf = NULL; |
1110 | |
1111 | if (IFQ_IS_EMPTY(&ifp->if_snd) == 0) |
1112 | udav_start(ifp); |
1113 | |
1114 | splx(s); |
1115 | } |
1116 | |
1117 | Static void |
1118 | udav_rxeof(struct usbd_xfer *xfer, void *priv, usbd_status status) |
1119 | { |
1120 | struct udav_chain *c = priv; |
1121 | struct udav_softc *sc = c->udav_sc; |
1122 | struct ifnet *ifp = GET_IFP(sc); |
1123 | struct mbuf *m; |
1124 | uint32_t total_len; |
1125 | uint8_t *pktstat; |
1126 | int s; |
1127 | |
1128 | DPRINTF(("%s: %s: enter\n" , device_xname(sc->sc_dev),__func__)); |
1129 | |
1130 | if (sc->sc_dying) |
1131 | return; |
1132 | |
1133 | if (status != USBD_NORMAL_COMPLETION) { |
1134 | if (status == USBD_NOT_STARTED || status == USBD_CANCELLED) |
1135 | return; |
1136 | sc->sc_rx_errs++; |
1137 | if (usbd_ratecheck(&sc->sc_rx_notice)) { |
1138 | printf("%s: %u usb errors on rx: %s\n" , |
1139 | device_xname(sc->sc_dev), sc->sc_rx_errs, |
1140 | usbd_errstr(status)); |
1141 | sc->sc_rx_errs = 0; |
1142 | } |
1143 | if (status == USBD_STALLED) { |
1144 | sc->sc_refcnt++; |
1145 | usbd_clear_endpoint_stall_async(sc->sc_pipe_rx); |
1146 | if (--sc->sc_refcnt < 0) |
1147 | usb_detach_wakeupold(sc->sc_dev); |
1148 | } |
1149 | goto done; |
1150 | } |
1151 | |
1152 | usbd_get_xfer_status(xfer, NULL, NULL, &total_len, NULL); |
1153 | |
1154 | /* copy data to mbuf */ |
1155 | m = c->udav_mbuf; |
1156 | memcpy(mtod(m, char *), c->udav_buf, total_len); |
1157 | |
1158 | /* first byte in received data */ |
1159 | pktstat = mtod(m, uint8_t *); |
1160 | m_adj(m, sizeof(uint8_t)); |
1161 | DPRINTF(("%s: RX Status: 0x%02x\n" , device_xname(sc->sc_dev), |
1162 | *pktstat)); |
1163 | |
1164 | total_len = UGETW(mtod(m, uint8_t *)); |
1165 | m_adj(m, sizeof(uint16_t)); |
1166 | |
1167 | if (*pktstat & UDAV_RSR_LCS) { |
1168 | ifp->if_collisions++; |
1169 | goto done; |
1170 | } |
1171 | |
1172 | if (total_len < sizeof(struct ether_header) || |
1173 | *pktstat & UDAV_RSR_ERR) { |
1174 | ifp->if_ierrors++; |
1175 | goto done; |
1176 | } |
1177 | |
1178 | ifp->if_ipackets++; |
1179 | total_len -= ETHER_CRC_LEN; |
1180 | |
1181 | m->m_pkthdr.len = m->m_len = total_len; |
1182 | m_set_rcvif(m, ifp); |
1183 | |
1184 | s = splnet(); |
1185 | |
1186 | if (udav_newbuf(sc, c, NULL) == ENOBUFS) { |
1187 | ifp->if_ierrors++; |
1188 | goto done1; |
1189 | } |
1190 | |
1191 | bpf_mtap(ifp, m); |
1192 | |
1193 | DPRINTF(("%s: %s: deliver %d\n" , device_xname(sc->sc_dev), |
1194 | __func__, m->m_len)); |
1195 | if_percpuq_enqueue((ifp)->if_percpuq, (m)); |
1196 | |
1197 | done1: |
1198 | splx(s); |
1199 | |
1200 | done: |
1201 | /* Setup new transfer */ |
1202 | usbd_setup_xfer(xfer, c, c->udav_buf, UDAV_BUFSZ, USBD_SHORT_XFER_OK, |
1203 | USBD_NO_TIMEOUT, udav_rxeof); |
1204 | sc->sc_refcnt++; |
1205 | usbd_transfer(xfer); |
1206 | if (--sc->sc_refcnt < 0) |
1207 | usb_detach_wakeupold(sc->sc_dev); |
1208 | |
1209 | DPRINTF(("%s: %s: start rx\n" , device_xname(sc->sc_dev), __func__)); |
1210 | } |
1211 | |
1212 | #if 0 |
1213 | Static void udav_intr(void) |
1214 | { |
1215 | } |
1216 | #endif |
1217 | |
1218 | Static int |
1219 | udav_ioctl(struct ifnet *ifp, u_long cmd, void *data) |
1220 | { |
1221 | struct udav_softc *sc = ifp->if_softc; |
1222 | int s, error = 0; |
1223 | |
1224 | DPRINTF(("%s: %s: enter\n" , device_xname(sc->sc_dev), __func__)); |
1225 | |
1226 | if (sc->sc_dying) |
1227 | return EIO; |
1228 | |
1229 | s = splnet(); |
1230 | |
1231 | error = ether_ioctl(ifp, cmd, data); |
1232 | if (error == ENETRESET) { |
1233 | if (ifp->if_flags & IFF_RUNNING) |
1234 | udav_setmulti(sc); |
1235 | error = 0; |
1236 | } |
1237 | |
1238 | splx(s); |
1239 | |
1240 | return error; |
1241 | } |
1242 | |
1243 | Static void |
1244 | udav_watchdog(struct ifnet *ifp) |
1245 | { |
1246 | struct udav_softc *sc = ifp->if_softc; |
1247 | struct udav_chain *c; |
1248 | usbd_status stat; |
1249 | int s; |
1250 | |
1251 | DPRINTF(("%s: %s: enter\n" , device_xname(sc->sc_dev), __func__)); |
1252 | |
1253 | ifp->if_oerrors++; |
1254 | printf("%s: watchdog timeout\n" , device_xname(sc->sc_dev)); |
1255 | |
1256 | s = splusb(); |
1257 | c = &sc->sc_cdata.udav_tx_chain[0]; |
1258 | usbd_get_xfer_status(c->udav_xfer, NULL, NULL, NULL, &stat); |
1259 | udav_txeof(c->udav_xfer, c, stat); |
1260 | |
1261 | if (IFQ_IS_EMPTY(&ifp->if_snd) == 0) |
1262 | udav_start(ifp); |
1263 | splx(s); |
1264 | } |
1265 | |
1266 | Static void |
1267 | udav_stop_task(struct udav_softc *sc) |
1268 | { |
1269 | udav_stop(GET_IFP(sc), 1); |
1270 | } |
1271 | |
1272 | /* Stop the adapter and free any mbufs allocated to the RX and TX lists. */ |
1273 | Static void |
1274 | udav_stop(struct ifnet *ifp, int disable) |
1275 | { |
1276 | struct udav_softc *sc = ifp->if_softc; |
1277 | usbd_status err; |
1278 | int i; |
1279 | |
1280 | DPRINTF(("%s: %s: enter\n" , device_xname(sc->sc_dev), __func__)); |
1281 | |
1282 | ifp->if_timer = 0; |
1283 | |
1284 | udav_reset(sc); |
1285 | |
1286 | callout_stop(&sc->sc_stat_ch); |
1287 | |
1288 | /* Stop transfers */ |
1289 | /* RX endpoint */ |
1290 | if (sc->sc_pipe_rx != NULL) { |
1291 | err = usbd_abort_pipe(sc->sc_pipe_rx); |
1292 | if (err) |
1293 | printf("%s: abort rx pipe failed: %s\n" , |
1294 | device_xname(sc->sc_dev), usbd_errstr(err)); |
1295 | } |
1296 | |
1297 | /* TX endpoint */ |
1298 | if (sc->sc_pipe_tx != NULL) { |
1299 | err = usbd_abort_pipe(sc->sc_pipe_tx); |
1300 | if (err) |
1301 | printf("%s: abort tx pipe failed: %s\n" , |
1302 | device_xname(sc->sc_dev), usbd_errstr(err)); |
1303 | } |
1304 | |
1305 | #if 0 |
1306 | /* XXX: Interrupt endpoint is not yet supported!! */ |
1307 | /* Interrupt endpoint */ |
1308 | if (sc->sc_pipe_intr != NULL) { |
1309 | err = usbd_abort_pipe(sc->sc_pipe_intr); |
1310 | if (err) |
1311 | printf("%s: abort intr pipe failed: %s\n" , |
1312 | device_xname(sc->sc_dev), usbd_errstr(err)); |
1313 | err = usbd_close_pipe(sc->sc_pipe_intr); |
1314 | if (err) |
1315 | printf("%s: close intr pipe failed: %s\n" , |
1316 | device_xname(sc->sc_dev), usbd_errstr(err)); |
1317 | sc->sc_pipe_intr = NULL; |
1318 | } |
1319 | #endif |
1320 | |
1321 | /* Free RX resources. */ |
1322 | for (i = 0; i < UDAV_RX_LIST_CNT; i++) { |
1323 | if (sc->sc_cdata.udav_rx_chain[i].udav_mbuf != NULL) { |
1324 | m_freem(sc->sc_cdata.udav_rx_chain[i].udav_mbuf); |
1325 | sc->sc_cdata.udav_rx_chain[i].udav_mbuf = NULL; |
1326 | } |
1327 | if (sc->sc_cdata.udav_rx_chain[i].udav_xfer != NULL) { |
1328 | usbd_destroy_xfer(sc->sc_cdata.udav_rx_chain[i].udav_xfer); |
1329 | sc->sc_cdata.udav_rx_chain[i].udav_xfer = NULL; |
1330 | } |
1331 | } |
1332 | |
1333 | /* Free TX resources. */ |
1334 | for (i = 0; i < UDAV_TX_LIST_CNT; i++) { |
1335 | if (sc->sc_cdata.udav_tx_chain[i].udav_mbuf != NULL) { |
1336 | m_freem(sc->sc_cdata.udav_tx_chain[i].udav_mbuf); |
1337 | sc->sc_cdata.udav_tx_chain[i].udav_mbuf = NULL; |
1338 | } |
1339 | if (sc->sc_cdata.udav_tx_chain[i].udav_xfer != NULL) { |
1340 | usbd_destroy_xfer(sc->sc_cdata.udav_tx_chain[i].udav_xfer); |
1341 | sc->sc_cdata.udav_tx_chain[i].udav_xfer = NULL; |
1342 | } |
1343 | } |
1344 | |
1345 | /* Close pipes */ |
1346 | /* RX endpoint */ |
1347 | if (sc->sc_pipe_rx != NULL) { |
1348 | err = usbd_close_pipe(sc->sc_pipe_rx); |
1349 | if (err) |
1350 | printf("%s: close rx pipe failed: %s\n" , |
1351 | device_xname(sc->sc_dev), usbd_errstr(err)); |
1352 | sc->sc_pipe_rx = NULL; |
1353 | } |
1354 | |
1355 | /* TX endpoint */ |
1356 | if (sc->sc_pipe_tx != NULL) { |
1357 | err = usbd_close_pipe(sc->sc_pipe_tx); |
1358 | if (err) |
1359 | printf("%s: close tx pipe failed: %s\n" , |
1360 | device_xname(sc->sc_dev), usbd_errstr(err)); |
1361 | sc->sc_pipe_tx = NULL; |
1362 | } |
1363 | |
1364 | if (!ISSET(sc->sc_flags, UDAV_NO_PHY)) |
1365 | sc->sc_link = 0; |
1366 | ifp->if_flags &= ~(IFF_RUNNING | IFF_OACTIVE); |
1367 | } |
1368 | |
1369 | /* Set media options */ |
1370 | Static int |
1371 | udav_ifmedia_change(struct ifnet *ifp) |
1372 | { |
1373 | struct udav_softc *sc = ifp->if_softc; |
1374 | struct mii_data *mii = GET_MII(sc); |
1375 | int rc; |
1376 | |
1377 | DPRINTF(("%s: %s: enter\n" , device_xname(sc->sc_dev), __func__)); |
1378 | |
1379 | if (sc->sc_dying) |
1380 | return 0; |
1381 | |
1382 | sc->sc_link = 0; |
1383 | if ((rc = mii_mediachg(mii)) == ENXIO) |
1384 | return 0; |
1385 | return rc; |
1386 | } |
1387 | |
1388 | /* Report current media status. */ |
1389 | Static void |
1390 | udav_ifmedia_status(struct ifnet *ifp, struct ifmediareq *ifmr) |
1391 | { |
1392 | struct udav_softc *sc = ifp->if_softc; |
1393 | |
1394 | DPRINTF(("%s: %s: enter\n" , device_xname(sc->sc_dev), __func__)); |
1395 | |
1396 | if (sc->sc_dying) |
1397 | return; |
1398 | |
1399 | ether_mediastatus(ifp, ifmr); |
1400 | } |
1401 | |
1402 | Static void |
1403 | udav_tick(void *xsc) |
1404 | { |
1405 | struct udav_softc *sc = xsc; |
1406 | |
1407 | if (sc == NULL) |
1408 | return; |
1409 | |
1410 | DPRINTFN(0xff, ("%s: %s: enter\n" , device_xname(sc->sc_dev), |
1411 | __func__)); |
1412 | |
1413 | if (sc->sc_dying) |
1414 | return; |
1415 | |
1416 | /* Perform periodic stuff in process context */ |
1417 | usb_add_task(sc->sc_udev, &sc->sc_tick_task, |
1418 | USB_TASKQ_DRIVER); |
1419 | } |
1420 | |
1421 | Static void |
1422 | udav_tick_task(void *xsc) |
1423 | { |
1424 | struct udav_softc *sc = xsc; |
1425 | struct ifnet *ifp; |
1426 | struct mii_data *mii; |
1427 | int s; |
1428 | |
1429 | if (sc == NULL) |
1430 | return; |
1431 | |
1432 | DPRINTFN(0xff, ("%s: %s: enter\n" , device_xname(sc->sc_dev), |
1433 | __func__)); |
1434 | |
1435 | if (sc->sc_dying) |
1436 | return; |
1437 | |
1438 | ifp = GET_IFP(sc); |
1439 | mii = GET_MII(sc); |
1440 | |
1441 | if (mii == NULL) |
1442 | return; |
1443 | |
1444 | s = splnet(); |
1445 | |
1446 | mii_tick(mii); |
1447 | if (!sc->sc_link) { |
1448 | mii_pollstat(mii); |
1449 | if (mii->mii_media_status & IFM_ACTIVE && |
1450 | IFM_SUBTYPE(mii->mii_media_active) != IFM_NONE) { |
1451 | DPRINTF(("%s: %s: got link\n" , |
1452 | device_xname(sc->sc_dev), __func__)); |
1453 | sc->sc_link++; |
1454 | if (IFQ_IS_EMPTY(&ifp->if_snd) == 0) |
1455 | udav_start(ifp); |
1456 | } |
1457 | } |
1458 | |
1459 | callout_reset(&sc->sc_stat_ch, hz, udav_tick, sc); |
1460 | |
1461 | splx(s); |
1462 | } |
1463 | |
1464 | /* Get exclusive access to the MII registers */ |
1465 | Static void |
1466 | udav_lock_mii(struct udav_softc *sc) |
1467 | { |
1468 | DPRINTFN(0xff, ("%s: %s: enter\n" , device_xname(sc->sc_dev), |
1469 | __func__)); |
1470 | |
1471 | sc->sc_refcnt++; |
1472 | mutex_enter(&sc->sc_mii_lock); |
1473 | } |
1474 | |
1475 | Static void |
1476 | udav_unlock_mii(struct udav_softc *sc) |
1477 | { |
1478 | DPRINTFN(0xff, ("%s: %s: enter\n" , device_xname(sc->sc_dev), |
1479 | __func__)); |
1480 | |
1481 | mutex_exit(&sc->sc_mii_lock); |
1482 | if (--sc->sc_refcnt < 0) |
1483 | usb_detach_wakeupold(sc->sc_dev); |
1484 | } |
1485 | |
1486 | Static int |
1487 | udav_miibus_readreg(device_t dev, int phy, int reg) |
1488 | { |
1489 | struct udav_softc *sc; |
1490 | uint8_t val[2]; |
1491 | uint16_t data16; |
1492 | |
1493 | if (dev == NULL) |
1494 | return 0; |
1495 | |
1496 | sc = device_private(dev); |
1497 | |
1498 | DPRINTFN(0xff, ("%s: %s: enter, phy=%d reg=0x%04x\n" , |
1499 | device_xname(sc->sc_dev), __func__, phy, reg)); |
1500 | |
1501 | if (sc->sc_dying) { |
1502 | #ifdef DIAGNOSTIC |
1503 | printf("%s: %s: dying\n" , device_xname(sc->sc_dev), |
1504 | __func__); |
1505 | #endif |
1506 | return 0; |
1507 | } |
1508 | |
1509 | /* XXX: one PHY only for the internal PHY */ |
1510 | if (phy != 0) { |
1511 | DPRINTFN(0xff, ("%s: %s: phy=%d is not supported\n" , |
1512 | device_xname(sc->sc_dev), __func__, phy)); |
1513 | return 0; |
1514 | } |
1515 | |
1516 | udav_lock_mii(sc); |
1517 | |
1518 | /* select internal PHY and set PHY register address */ |
1519 | udav_csr_write1(sc, UDAV_EPAR, |
1520 | UDAV_EPAR_PHY_ADR0 | (reg & UDAV_EPAR_EROA_MASK)); |
1521 | |
1522 | /* select PHY operation and start read command */ |
1523 | udav_csr_write1(sc, UDAV_EPCR, UDAV_EPCR_EPOS | UDAV_EPCR_ERPRR); |
1524 | |
1525 | /* XXX: should be wait? */ |
1526 | |
1527 | /* end read command */ |
1528 | UDAV_CLRBIT(sc, UDAV_EPCR, UDAV_EPCR_ERPRR); |
1529 | |
1530 | /* retrieve the result from data registers */ |
1531 | udav_csr_read(sc, UDAV_EPDRL, val, 2); |
1532 | |
1533 | udav_unlock_mii(sc); |
1534 | |
1535 | data16 = val[0] | (val[1] << 8); |
1536 | |
1537 | DPRINTFN(0xff, ("%s: %s: phy=%d reg=0x%04x => 0x%04x\n" , |
1538 | device_xname(sc->sc_dev), __func__, phy, reg, data16)); |
1539 | |
1540 | return data16; |
1541 | } |
1542 | |
1543 | Static void |
1544 | udav_miibus_writereg(device_t dev, int phy, int reg, int data) |
1545 | { |
1546 | struct udav_softc *sc; |
1547 | uint8_t val[2]; |
1548 | |
1549 | if (dev == NULL) |
1550 | return; |
1551 | |
1552 | sc = device_private(dev); |
1553 | |
1554 | DPRINTFN(0xff, ("%s: %s: enter, phy=%d reg=0x%04x data=0x%04x\n" , |
1555 | device_xname(sc->sc_dev), __func__, phy, reg, data)); |
1556 | |
1557 | if (sc->sc_dying) { |
1558 | #ifdef DIAGNOSTIC |
1559 | printf("%s: %s: dying\n" , device_xname(sc->sc_dev), |
1560 | __func__); |
1561 | #endif |
1562 | return; |
1563 | } |
1564 | |
1565 | /* XXX: one PHY only for the internal PHY */ |
1566 | if (phy != 0) { |
1567 | DPRINTFN(0xff, ("%s: %s: phy=%d is not supported\n" , |
1568 | device_xname(sc->sc_dev), __func__, phy)); |
1569 | return; |
1570 | } |
1571 | |
1572 | udav_lock_mii(sc); |
1573 | |
1574 | /* select internal PHY and set PHY register address */ |
1575 | udav_csr_write1(sc, UDAV_EPAR, |
1576 | UDAV_EPAR_PHY_ADR0 | (reg & UDAV_EPAR_EROA_MASK)); |
1577 | |
1578 | /* put the value to the data registers */ |
1579 | val[0] = data & 0xff; |
1580 | val[1] = (data >> 8) & 0xff; |
1581 | udav_csr_write(sc, UDAV_EPDRL, val, 2); |
1582 | |
1583 | /* select PHY operation and start write command */ |
1584 | udav_csr_write1(sc, UDAV_EPCR, UDAV_EPCR_EPOS | UDAV_EPCR_ERPRW); |
1585 | |
1586 | /* XXX: should be wait? */ |
1587 | |
1588 | /* end write command */ |
1589 | UDAV_CLRBIT(sc, UDAV_EPCR, UDAV_EPCR_ERPRW); |
1590 | |
1591 | udav_unlock_mii(sc); |
1592 | |
1593 | return; |
1594 | } |
1595 | |
1596 | Static void |
1597 | udav_miibus_statchg(struct ifnet *ifp) |
1598 | { |
1599 | #ifdef UDAV_DEBUG |
1600 | |
1601 | if (ifp == NULL) |
1602 | return; |
1603 | |
1604 | DPRINTF(("%s: %s: enter\n" , ifp->if_xname, __func__)); |
1605 | #endif |
1606 | /* Nothing to do */ |
1607 | } |
1608 | |