xref: /openbsd-src/sys/dev/usb/if_ure.c (revision 3374c67d44f9b75b98444cbf63020f777792342e)
1 /*	$OpenBSD: if_ure.c,v 1.31 2022/10/27 13:21:14 patrick Exp $	*/
2 /*-
3  * Copyright (c) 2015, 2016, 2019 Kevin Lo <kevlo@openbsd.org>
4  * Copyright (c) 2020 Jonathon Fletcher <jonathon.fletcher@gmail.com>
5  * All rights reserved.
6  *
7  * Redistribution and use in source and binary forms, with or without
8  * modification, are permitted provided that the following conditions
9  * are met:
10  * 1. Redistributions of source code must retain the above copyright
11  *    notice, this list of conditions and the following disclaimer.
12  * 2. Redistributions in binary form must reproduce the above copyright
13  *    notice, this list of conditions and the following disclaimer in the
14  *    documentation and/or other materials provided with the distribution.
15  *
16  * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
17  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
18  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
19  * ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
20  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
21  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
22  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
23  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
24  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
25  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
26  * SUCH DAMAGE.
27  */
28 
29 #include "bpfilter.h"
30 #include "vlan.h"
31 
32 #include <sys/param.h>
33 #include <sys/systm.h>
34 #include <sys/sockio.h>
35 #include <sys/rwlock.h>
36 #include <sys/mbuf.h>
37 #include <sys/kernel.h>
38 #include <sys/socket.h>
39 #include <sys/device.h>
40 
41 #include <machine/bus.h>
42 
43 #include <net/if.h>
44 #include <net/if_media.h>
45 
46 #if NBPFILTER > 0
47 #include <net/bpf.h>
48 #endif
49 
50 #include <netinet/in.h>
51 #include <netinet/if_ether.h>
52 
53 #include <dev/mii/mii.h>
54 #include <dev/mii/miivar.h>
55 
56 #include <dev/usb/usb.h>
57 #include <dev/usb/usbdi.h>
58 #include <dev/usb/usbdi_util.h>
59 #include <dev/usb/usbdivar.h>
60 #include <dev/usb/usbdevs.h>
61 
62 #include <dev/ic/rtl81x9reg.h>
63 #include <dev/usb/if_urereg.h>
64 
65 #ifdef URE_DEBUG
66 #define DPRINTF(x)	do { if (uredebug) printf x; } while (0)
67 #define DPRINTFN(n,x)	do { if (uredebug >= (n)) printf x; } while (0)
68 int	uredebug = 0;
69 #else
70 #define DPRINTF(x)
71 #define DPRINTFN(n,x)
72 #endif
73 
74 const struct usb_devno ure_devs[] = {
75 	{ USB_VENDOR_ASUS, USB_PRODUCT_ASUS_RTL8156 },
76 	{ USB_VENDOR_BELKIN, USB_PRODUCT_BELKIN_RTL8152B },
77 	{ USB_VENDOR_BELKIN, USB_PRODUCT_BELKIN_RTL8153 },
78 	{ USB_VENDOR_CISCOLINKSYS, USB_PRODUCT_CISCOLINKSYS_USB3GIGV1 },
79 	{ USB_VENDOR_CLEVO, USB_PRODUCT_CLEVO_RTL8153B },
80 	{ USB_VENDOR_CLUB3D, USB_PRODUCT_CLUB3D_RTL8153 },
81 	{ USB_VENDOR_DLINK, USB_PRODUCT_DLINK_RTL8153_1 },
82 	{ USB_VENDOR_DLINK, USB_PRODUCT_DLINK_RTL8153_2 },
83 	{ USB_VENDOR_DYNABOOK, USB_PRODUCT_DYNABOOK_RTL8153B_1 },
84 	{ USB_VENDOR_DYNABOOK, USB_PRODUCT_DYNABOOK_RTL8153B_2 },
85 	{ USB_VENDOR_ELECOM, USB_PRODUCT_ELECOM_RTL8153B },
86 	{ USB_VENDOR_ELECOM, USB_PRODUCT_ELECOM_RTL8156B },
87 	{ USB_VENDOR_IOI, USB_PRODUCT_IOI_RTL8153 },
88 	{ USB_VENDOR_LENOVO, USB_PRODUCT_LENOVO_DOCK_ETHERNET },
89 	{ USB_VENDOR_LENOVO, USB_PRODUCT_LENOVO_ONELINK },
90 	{ USB_VENDOR_LENOVO, USB_PRODUCT_LENOVO_ONELINKPLUS },
91 	{ USB_VENDOR_LENOVO, USB_PRODUCT_LENOVO_ONELINKPRO },
92 	{ USB_VENDOR_LENOVO, USB_PRODUCT_LENOVO_RTL8153B_1 },
93 	{ USB_VENDOR_LENOVO, USB_PRODUCT_LENOVO_RTL8153B_2 },
94 	{ USB_VENDOR_LENOVO, USB_PRODUCT_LENOVO_RTL8153B_3 },
95 	{ USB_VENDOR_LENOVO, USB_PRODUCT_LENOVO_RTL8153B_4 },
96 	{ USB_VENDOR_LENOVO, USB_PRODUCT_LENOVO_RTL8153B_5 },
97 	{ USB_VENDOR_LENOVO, USB_PRODUCT_LENOVO_RTL8153B_6 },
98 	{ USB_VENDOR_LENOVO, USB_PRODUCT_LENOVO_RTL8153B_7 },
99 	{ USB_VENDOR_LENOVO, USB_PRODUCT_LENOVO_RTL8153B_8 },
100 	{ USB_VENDOR_LENOVO, USB_PRODUCT_LENOVO_RTL8153B_9 },
101 	{ USB_VENDOR_LENOVO, USB_PRODUCT_LENOVO_RTL8153_1 },
102 	{ USB_VENDOR_LENOVO, USB_PRODUCT_LENOVO_RTL8153_2 },
103 	{ USB_VENDOR_LENOVO, USB_PRODUCT_LENOVO_RTL8153_3 },
104 	{ USB_VENDOR_LENOVO, USB_PRODUCT_LENOVO_TABLETDOCK },
105 	{ USB_VENDOR_LENOVO, USB_PRODUCT_LENOVO_TB3DOCK },
106 	{ USB_VENDOR_LENOVO, USB_PRODUCT_LENOVO_TB3DOCKGEN2 },
107 	{ USB_VENDOR_LENOVO, USB_PRODUCT_LENOVO_TB3GFXDOCK },
108 	{ USB_VENDOR_LENOVO, USB_PRODUCT_LENOVO_USBCDOCKGEN2 },
109 	{ USB_VENDOR_LENOVO, USB_PRODUCT_LENOVO_WIGIGDOCK },
110 	{ USB_VENDOR_LG, USB_PRODUCT_LG_RTL8153 },
111 	{ USB_VENDOR_LG, USB_PRODUCT_LG_RTL8153B },
112 	{ USB_VENDOR_LUXSHARE, USB_PRODUCT_LUXSHARE_RTL8153 },
113 	{ USB_VENDOR_MICROSOFT, USB_PRODUCT_MICROSOFT_DOCKETH },
114 	{ USB_VENDOR_MICROSOFT, USB_PRODUCT_MICROSOFT_DOCKETH2 },
115 	{ USB_VENDOR_MICROSOFT, USB_PRODUCT_MICROSOFT_SURFETH },
116 	{ USB_VENDOR_MICROSOFT, USB_PRODUCT_MICROSOFT_WINDEVETH },
117 	{ USB_VENDOR_NVIDIA, USB_PRODUCT_NVIDIA_TEGRAETH },
118 	{ USB_VENDOR_PIONEERDJ, USB_PRODUCT_PIONEERDJ_RTL8152B },
119 	{ USB_VENDOR_PIONEERDJ, USB_PRODUCT_PIONEERDJ_RTL8153B },
120 	{ USB_VENDOR_REALTEK, USB_PRODUCT_REALTEK_RTL8152 },
121 	{ USB_VENDOR_REALTEK, USB_PRODUCT_REALTEK_RTL8152B },
122 	{ USB_VENDOR_REALTEK, USB_PRODUCT_REALTEK_RTL8153 },
123 	{ USB_VENDOR_REALTEK, USB_PRODUCT_REALTEK_RTL8156 },
124 	{ USB_VENDOR_SAMSUNG2, USB_PRODUCT_SAMSUNG2_RTL8153 },
125 	{ USB_VENDOR_TOSHIBA, USB_PRODUCT_TOSHIBA_RTL8153B },
126 	{ USB_VENDOR_TPLINK, USB_PRODUCT_TPLINK_EU300 },
127 	{ USB_VENDOR_TPLINK, USB_PRODUCT_TPLINK_RTL8152B_1 },
128 	{ USB_VENDOR_TPLINK, USB_PRODUCT_TPLINK_RTL8152B_2 },
129 	{ USB_VENDOR_TPLINK, USB_PRODUCT_TPLINK_RTL8153 },
130 	{ USB_VENDOR_TRENDNET, USB_PRODUCT_TRENDNET_RTL8156 },
131 	{ USB_VENDOR_TTL, USB_PRODUCT_TTL_RTL8153 },
132 	{ USB_VENDOR_TWINHEAD, USB_PRODUCT_TWINHEAD_RTL8153B },
133 	{ USB_VENDOR_XIAOMI, USB_PRODUCT_XIAOMI_RTL8152B },
134 };
135 
136 int	ure_match(struct device *, void *, void *);
137 void	ure_attach(struct device *, struct device *, void *);
138 int	ure_detach(struct device *, int);
139 
140 struct cfdriver ure_cd = {
141 	NULL, "ure", DV_IFNET
142 };
143 
144 const struct cfattach ure_ca = {
145 	sizeof(struct ure_softc), ure_match, ure_attach, ure_detach
146 };
147 
148 int		ure_ctl(struct ure_softc *, uint8_t, uint16_t, uint16_t,
149 		    void *, int);
150 int		ure_read_mem(struct ure_softc *, uint16_t, uint16_t, void *,
151 		    int);
152 int		ure_write_mem(struct ure_softc *, uint16_t, uint16_t, void *,
153 		    int);
154 uint8_t		ure_read_1(struct ure_softc *, uint16_t, uint16_t);
155 uint16_t	ure_read_2(struct ure_softc *, uint16_t, uint16_t);
156 uint32_t	ure_read_4(struct ure_softc *, uint16_t, uint16_t);
157 int		ure_write_1(struct ure_softc *, uint16_t, uint16_t, uint32_t);
158 int		ure_write_2(struct ure_softc *, uint16_t, uint16_t, uint32_t);
159 int		ure_write_4(struct ure_softc *, uint16_t, uint16_t, uint32_t);
160 uint16_t	ure_ocp_reg_read(struct ure_softc *, uint16_t);
161 void		ure_ocp_reg_write(struct ure_softc *, uint16_t, uint16_t);
162 
163 void		ure_init(void *);
164 void		ure_stop(struct ure_softc *);
165 void		ure_start(struct ifnet *);
166 void		ure_reset(struct ure_softc *);
167 void		ure_watchdog(struct ifnet *);
168 
169 void		ure_miibus_statchg(struct device *);
170 int		ure_miibus_readreg(struct device *, int, int);
171 void		ure_miibus_writereg(struct device *, int, int, int);
172 void		ure_lock_mii(struct ure_softc *);
173 void		ure_unlock_mii(struct ure_softc *);
174 
175 int		ure_encap_txpkt(struct mbuf *, char *, uint32_t);
176 int		ure_encap_xfer(struct ifnet *, struct ure_softc *,
177 		    struct ure_chain *);
178 void		ure_rxeof(struct usbd_xfer *, void *, usbd_status);
179 void		ure_txeof(struct usbd_xfer *, void *, usbd_status);
180 int		ure_xfer_list_init(struct ure_softc *, struct ure_chain *,
181 		    uint32_t, int);
182 void		ure_xfer_list_free(struct ure_softc *, struct ure_chain *, int);
183 
184 void		ure_tick_task(void *);
185 void		ure_tick(void *);
186 
187 void		ure_ifmedia_init(struct ifnet *);
188 int		ure_ifmedia_upd(struct ifnet *);
189 void		ure_ifmedia_sts(struct ifnet *, struct ifmediareq *);
190 void		ure_add_media_types(struct ure_softc *);
191 void		ure_link_state(struct ure_softc *);
192 int		ure_get_link_status(struct ure_softc *);
193 void		ure_iff(struct ure_softc *);
194 void		ure_rxvlan(struct ure_softc *);
195 int		ure_ioctl(struct ifnet *, u_long, caddr_t);
196 void		ure_rtl8152_init(struct ure_softc *);
197 void		ure_rtl8153_init(struct ure_softc *);
198 void		ure_rtl8153b_init(struct ure_softc *);
199 void		ure_rtl8152_nic_reset(struct ure_softc *);
200 void		ure_rtl8153_nic_reset(struct ure_softc *);
201 uint16_t	ure_rtl8153_phy_status(struct ure_softc *, int);
202 void		ure_wait_for_flash(struct ure_softc *);
203 void		ure_reset_bmu(struct ure_softc *);
204 void		ure_disable_teredo(struct ure_softc *);
205 
206 #define URE_SETBIT_1(sc, reg, index, x) \
207 	ure_write_1(sc, reg, index, ure_read_1(sc, reg, index) | (x))
208 #define URE_SETBIT_2(sc, reg, index, x) \
209 	ure_write_2(sc, reg, index, ure_read_2(sc, reg, index) | (x))
210 #define URE_SETBIT_4(sc, reg, index, x) \
211 	ure_write_4(sc, reg, index, ure_read_4(sc, reg, index) | (x))
212 
213 #define URE_CLRBIT_1(sc, reg, index, x) \
214 	ure_write_1(sc, reg, index, ure_read_1(sc, reg, index) & ~(x))
215 #define URE_CLRBIT_2(sc, reg, index, x) \
216 	ure_write_2(sc, reg, index, ure_read_2(sc, reg, index) & ~(x))
217 #define URE_CLRBIT_4(sc, reg, index, x) \
218 	ure_write_4(sc, reg, index, ure_read_4(sc, reg, index) & ~(x))
219 
220 int
221 ure_ctl(struct ure_softc *sc, uint8_t rw, uint16_t val, uint16_t index,
222     void *buf, int len)
223 {
224 	usb_device_request_t	req;
225 	usbd_status		err;
226 
227 	if (usbd_is_dying(sc->ure_udev))
228 		return 0;
229 
230 	if (rw == URE_CTL_WRITE)
231 		req.bmRequestType = UT_WRITE_VENDOR_DEVICE;
232 	else
233 		req.bmRequestType = UT_READ_VENDOR_DEVICE;
234 	req.bRequest = UR_SET_ADDRESS;
235 	USETW(req.wValue, val);
236 	USETW(req.wIndex, index);
237 	USETW(req.wLength, len);
238 
239 	DPRINTFN(5, ("ure_ctl: rw %d, val 0x%04hu, index 0x%04hu, len %d\n",
240 	    rw, val, index, len));
241 	err = usbd_do_request(sc->ure_udev, &req, buf);
242 	if (err) {
243 		DPRINTF(("ure_ctl: error %d\n", err));
244 		return -1;
245 	}
246 
247 	return 0;
248 }
249 
250 int
251 ure_read_mem(struct ure_softc *sc, uint16_t addr, uint16_t index,
252     void *buf, int len)
253 {
254 	return (ure_ctl(sc, URE_CTL_READ, addr, index, buf, len));
255 }
256 
257 int
258 ure_write_mem(struct ure_softc *sc, uint16_t addr, uint16_t index,
259     void *buf, int len)
260 {
261 	return (ure_ctl(sc, URE_CTL_WRITE, addr, index, buf, len));
262 }
263 
264 uint8_t
265 ure_read_1(struct ure_softc *sc, uint16_t reg, uint16_t index)
266 {
267 	uint32_t	val;
268 	uint8_t		temp[4];
269 	uint8_t		shift;
270 
271 	shift = (reg & 3) << 3;
272 	reg &= ~3;
273 
274 	ure_read_mem(sc, reg, index, &temp, 4);
275 	val = UGETDW(temp);
276 	val >>= shift;
277 
278 	return (val & 0xff);
279 }
280 
281 uint16_t
282 ure_read_2(struct ure_softc *sc, uint16_t reg, uint16_t index)
283 {
284 	uint32_t	val;
285 	uint8_t		temp[4];
286 	uint8_t		shift;
287 
288 	shift = (reg & 2) << 3;
289 	reg &= ~3;
290 
291 	ure_read_mem(sc, reg, index, &temp, 4);
292 	val = UGETDW(temp);
293 	val >>= shift;
294 
295 	return (val & 0xffff);
296 }
297 
298 uint32_t
299 ure_read_4(struct ure_softc *sc, uint16_t reg, uint16_t index)
300 {
301 	uint8_t	temp[4];
302 
303 	ure_read_mem(sc, reg, index, &temp, 4);
304 	return (UGETDW(temp));
305 }
306 
307 int
308 ure_write_1(struct ure_softc *sc, uint16_t reg, uint16_t index, uint32_t val)
309 {
310 	uint16_t	byen;
311 	uint8_t		temp[4];
312 	uint8_t		shift;
313 
314 	byen = URE_BYTE_EN_BYTE;
315 	shift = reg & 3;
316 	val &= 0xff;
317 
318 	if (reg & 3) {
319 		byen <<= shift;
320 		val <<= (shift << 3);
321 		reg &= ~3;
322 	}
323 
324 	USETDW(temp, val);
325 	return (ure_write_mem(sc, reg, index | byen, &temp, 4));
326 }
327 
328 int
329 ure_write_2(struct ure_softc *sc, uint16_t reg, uint16_t index, uint32_t val)
330 {
331 	uint16_t	byen;
332 	uint8_t		temp[4];
333 	uint8_t		shift;
334 
335 	byen = URE_BYTE_EN_WORD;
336 	shift = reg & 2;
337 	val &= 0xffff;
338 
339 	if (reg & 2) {
340 		byen <<= shift;
341 		val <<= (shift << 3);
342 		reg &= ~3;
343 	}
344 
345 	USETDW(temp, val);
346 	return (ure_write_mem(sc, reg, index | byen, &temp, 4));
347 }
348 
349 int
350 ure_write_4(struct ure_softc *sc, uint16_t reg, uint16_t index, uint32_t val)
351 {
352 	uint8_t	temp[4];
353 
354 	USETDW(temp, val);
355 	return (ure_write_mem(sc, reg, index | URE_BYTE_EN_DWORD, &temp, 4));
356 }
357 
358 uint16_t
359 ure_ocp_reg_read(struct ure_softc *sc, uint16_t addr)
360 {
361 	uint16_t	reg;
362 
363 	ure_write_2(sc, URE_PLA_OCP_GPHY_BASE, URE_MCU_TYPE_PLA, addr & 0xf000);
364 	reg = (addr & 0x0fff) | 0xb000;
365 
366 	return (ure_read_2(sc, reg, URE_MCU_TYPE_PLA));
367 }
368 
369 void
370 ure_ocp_reg_write(struct ure_softc *sc, uint16_t addr, uint16_t data)
371 {
372 	uint16_t	reg;
373 
374 	ure_write_2(sc, URE_PLA_OCP_GPHY_BASE, URE_MCU_TYPE_PLA, addr & 0xf000);
375 	reg = (addr & 0x0fff) | 0xb000;
376 
377 	ure_write_2(sc, reg, URE_MCU_TYPE_PLA, data);
378 }
379 
380 int
381 ure_miibus_readreg(struct device *dev, int phy, int reg)
382 {
383 	struct ure_softc	*sc = (void *)dev;
384 	uint16_t		val;
385 
386 	if (usbd_is_dying(sc->ure_udev))
387 		return 0;
388 
389 	/* Let the rgephy driver read the URE_PLA_PHYSTATUS register. */
390 	if (reg == RL_GMEDIASTAT)
391 		return ure_read_1(sc, URE_PLA_PHYSTATUS, URE_MCU_TYPE_PLA);
392 
393 	ure_lock_mii(sc);
394 	val = ure_ocp_reg_read(sc, URE_OCP_BASE_MII + reg * 2);
395 	ure_unlock_mii(sc);
396 
397 	return val;	/* letoh16? */
398 }
399 
400 void
401 ure_miibus_writereg(struct device *dev, int phy, int reg, int val)
402 {
403 	struct ure_softc	*sc = (void *)dev;
404 
405 	ure_lock_mii(sc);
406 	ure_ocp_reg_write(sc, URE_OCP_BASE_MII + reg * 2, val);	/* htole16? */
407 	ure_unlock_mii(sc);
408 }
409 
410 void
411 ure_miibus_statchg(struct device *dev)
412 {
413 	struct ure_softc	*sc = (void *)dev;
414 	struct mii_data		*mii = &sc->ure_mii;
415 	struct ifnet		*ifp = &sc->ure_ac.ac_if;
416 
417 	if ((ifp->if_flags & IFF_RUNNING) == 0)
418 		return;
419 
420 	sc->ure_flags &= ~URE_FLAG_LINK;
421 	if ((mii->mii_media_status & (IFM_ACTIVE | IFM_AVALID)) ==
422 	    (IFM_ACTIVE | IFM_AVALID)) {
423 		switch (IFM_SUBTYPE(mii->mii_media_active)) {
424 		case IFM_10_T:
425 		case IFM_100_TX:
426 			sc->ure_flags |= URE_FLAG_LINK;
427 			break;
428 		case IFM_1000_T:
429 			if ((sc->ure_flags & URE_FLAG_8152) != 0)
430 				break;
431 			sc->ure_flags |= URE_FLAG_LINK;
432 			break;
433 		default:
434 			break;
435 		}
436 	}
437 
438 	/* Lost link, do nothing. */
439 	if ((sc->ure_flags & URE_FLAG_LINK) == 0)
440 		return;
441 
442 	/*
443 	 * After a link change the media settings are getting reset on the
444 	 * hardware, and need to be re-initialized again for communication
445 	 * to continue work.
446 	 */
447 	ure_ifmedia_init(ifp);
448 }
449 
450 void
451 ure_ifmedia_init(struct ifnet *ifp)
452 {
453 	struct ure_softc *sc = ifp->if_softc;
454 	uint32_t reg = 0;
455 
456 	/* Set MAC address. */
457 	ure_write_1(sc, URE_PLA_CRWECR, URE_MCU_TYPE_PLA, URE_CRWECR_CONFIG);
458 	ure_write_mem(sc, URE_PLA_IDR, URE_MCU_TYPE_PLA | URE_BYTE_EN_SIX_BYTES,
459 	    sc->ure_ac.ac_enaddr, 8);
460 	ure_write_1(sc, URE_PLA_CRWECR, URE_MCU_TYPE_PLA, URE_CRWECR_NORAML);
461 
462 	if (!(sc->ure_flags & URE_FLAG_8152)) {
463 		if (sc->ure_flags & URE_FLAG_8156B)
464 			URE_CLRBIT_2(sc, URE_USB_RX_AGGR_NUM, URE_MCU_TYPE_USB,
465 			    URE_RX_AGGR_NUM_MASK);
466 
467 		reg = sc->ure_rxbufsz - URE_FRAMELEN(ifp->if_mtu) -
468 		    sizeof(struct ure_rxpkt) - URE_RX_BUF_ALIGN;
469 		if (sc->ure_flags & (URE_FLAG_8153B | URE_FLAG_8156 |
470 		    URE_FLAG_8156B)) {
471 			ure_write_2(sc, URE_USB_RX_EARLY_SIZE, URE_MCU_TYPE_USB,
472 			    reg / 8);
473 
474 			ure_write_2(sc, URE_USB_RX_EARLY_AGG, URE_MCU_TYPE_USB,
475 			    (sc->ure_flags & URE_FLAG_8153B) ? 158 : 80);
476 			ure_write_2(sc, URE_USB_PM_CTRL_STATUS,
477 			    URE_MCU_TYPE_USB, 1875);
478 		} else {
479 			ure_write_2(sc, URE_USB_RX_EARLY_SIZE, URE_MCU_TYPE_USB,
480 			    reg / 4);
481 			switch (sc->ure_udev->speed) {
482 			case USB_SPEED_SUPER:
483 				reg = URE_COALESCE_SUPER / 8;
484 				break;
485 			case USB_SPEED_HIGH:
486 				reg = URE_COALESCE_HIGH / 8;
487 				break;
488 			default:
489 				reg = URE_COALESCE_SLOW / 8;
490 				break;
491 			}
492 			ure_write_2(sc, URE_USB_RX_EARLY_AGG, URE_MCU_TYPE_USB,
493 			    reg);
494 		}
495 
496 		if ((sc->ure_chip & URE_CHIP_VER_6010) ||
497 		    (sc->ure_flags & URE_FLAG_8156B)) {
498 			URE_CLRBIT_2(sc, URE_USB_FW_TASK, URE_MCU_TYPE_USB,
499 			    URE_FC_PATCH_TASK);
500 			usbd_delay_ms(sc->ure_udev, 1);
501 			URE_SETBIT_2(sc, URE_USB_FW_TASK, URE_MCU_TYPE_USB,
502 			    URE_FC_PATCH_TASK);
503 		}
504 	}
505 
506 	/* Reset the packet filter. */
507 	URE_CLRBIT_2(sc, URE_PLA_FMC, URE_MCU_TYPE_PLA, URE_FMC_FCR_MCU_EN);
508 	URE_SETBIT_2(sc, URE_PLA_FMC, URE_MCU_TYPE_PLA, URE_FMC_FCR_MCU_EN);
509 
510 	/* Enable transmit and receive. */
511 	URE_SETBIT_1(sc, URE_PLA_CR, URE_MCU_TYPE_PLA, URE_CR_RE | URE_CR_TE);
512 
513 	if (sc->ure_flags & (URE_FLAG_8153B | URE_FLAG_8156 | URE_FLAG_8156B)) {
514 		ure_write_1(sc, URE_USB_UPT_RXDMA_OWN, URE_MCU_TYPE_USB,
515 		    URE_OWN_UPDATE | URE_OWN_CLEAR);
516 	}
517 
518 	URE_CLRBIT_2(sc, URE_PLA_MISC_1, URE_MCU_TYPE_PLA, URE_RXDY_GATED_EN);
519 }
520 
521 int
522 ure_ifmedia_upd(struct ifnet *ifp)
523 {
524 	struct ure_softc	*sc = ifp->if_softc;
525 	struct mii_data		*mii = &sc->ure_mii;
526 	struct ifmedia		*ifm = &sc->ure_ifmedia;
527 	int			anar, gig, err, reg;
528 
529 	if (sc->ure_flags & (URE_FLAG_8156 | URE_FLAG_8156B)) {
530 		if (IFM_TYPE(ifm->ifm_media) != IFM_ETHER)
531 			return (EINVAL);
532 
533 		reg = ure_ocp_reg_read(sc, 0xa5d4);
534 		reg &= ~URE_ADV_2500TFDX;
535 
536 		anar = gig = 0;
537 		switch (IFM_SUBTYPE(ifm->ifm_media)) {
538 		case IFM_AUTO:
539 			anar |= ANAR_TX_FD | ANAR_TX | ANAR_10_FD | ANAR_10;
540 			gig |= GTCR_ADV_1000TFDX | GTCR_ADV_1000THDX;
541 			reg |= URE_ADV_2500TFDX;
542 			break;
543 		case IFM_2500_T:
544 			anar |= ANAR_TX_FD | ANAR_TX | ANAR_10_FD | ANAR_10;
545 			gig |= GTCR_ADV_1000TFDX | GTCR_ADV_1000THDX;
546 			reg |= URE_ADV_2500TFDX;
547 			ifp->if_baudrate = IF_Mbps(2500);
548 			break;
549 		case IFM_1000_T:
550 			anar |= ANAR_TX_FD | ANAR_TX | ANAR_10_FD | ANAR_10;
551 			gig |= GTCR_ADV_1000TFDX | GTCR_ADV_1000THDX;
552 			ifp->if_baudrate = IF_Gbps(1);
553 			break;
554 		case IFM_100_TX:
555 			anar |= ANAR_TX | ANAR_TX_FD;
556 			ifp->if_baudrate = IF_Mbps(100);
557 			break;
558 		case IFM_10_T:
559 			anar |= ANAR_10 | ANAR_10_FD;
560 			ifp->if_baudrate = IF_Mbps(10);
561 			break;
562 		default:
563 			printf("%s: unsupported media type\n",
564 			    sc->ure_dev.dv_xname);
565 			return (EINVAL);
566 		}
567 
568 		ure_ocp_reg_write(sc, URE_OCP_BASE_MII + MII_ANAR * 2,
569 		    anar | ANAR_PAUSE_ASYM | ANAR_FC);
570 		ure_ocp_reg_write(sc, URE_OCP_BASE_MII + MII_100T2CR * 2, gig);
571 		ure_ocp_reg_write(sc, 0xa5d4, reg);
572 		ure_ocp_reg_write(sc, URE_OCP_BASE_MII + MII_BMCR,
573 		    BMCR_AUTOEN | BMCR_STARTNEG);
574 
575 		return (0);
576 	}
577 
578 	if (mii->mii_instance) {
579 		struct mii_softc *miisc;
580 		LIST_FOREACH(miisc, &mii->mii_phys, mii_list)
581 			PHY_RESET(miisc);
582 	}
583 
584 	err = mii_mediachg(mii);
585 	if (err == ENXIO)
586 		return (0);
587 	else
588 		return (err);
589 }
590 
591 void
592 ure_ifmedia_sts(struct ifnet *ifp, struct ifmediareq *ifmr)
593 {
594 	struct ure_softc	*sc = ifp->if_softc;
595 	struct mii_data		*mii = &sc->ure_mii;
596 	uint16_t		status = 0;
597 
598 	if (sc->ure_flags & (URE_FLAG_8156 | URE_FLAG_8156B)) {
599 		ifmr->ifm_status = IFM_AVALID;
600 		if (ure_get_link_status(sc)) {
601 			ifmr->ifm_status |= IFM_ACTIVE;
602 			status = ure_read_2(sc, URE_PLA_PHYSTATUS,
603 			    URE_MCU_TYPE_PLA);
604 			if ((status & URE_PHYSTATUS_FDX) ||
605 			    (status & URE_PHYSTATUS_2500MBPS))
606 				ifmr->ifm_active |= IFM_FDX;
607 			else
608 				ifmr->ifm_active |= IFM_HDX;
609 			if (status & URE_PHYSTATUS_10MBPS)
610 				ifmr->ifm_active |= IFM_10_T;
611 			else if (status & URE_PHYSTATUS_100MBPS)
612 				ifmr->ifm_active |= IFM_100_TX;
613 			else if (status & URE_PHYSTATUS_1000MBPS)
614 				ifmr->ifm_active |= IFM_1000_T;
615 			else if (status & URE_PHYSTATUS_2500MBPS)
616 				ifmr->ifm_active |= IFM_2500_T;
617 		}
618 		return;
619 	}
620 
621 	mii_pollstat(mii);
622 	ifmr->ifm_active = mii->mii_media_active;
623 	ifmr->ifm_status = mii->mii_media_status;
624 }
625 
626 void
627 ure_add_media_types(struct ure_softc *sc)
628 {
629 	ifmedia_add(&sc->ure_ifmedia, IFM_ETHER | IFM_10_T, 0, NULL);
630 	ifmedia_add(&sc->ure_ifmedia, IFM_ETHER | IFM_10_T | IFM_FDX, 0, NULL);
631 	ifmedia_add(&sc->ure_ifmedia, IFM_ETHER | IFM_100_TX, 0, NULL);
632 	ifmedia_add(&sc->ure_ifmedia, IFM_ETHER | IFM_100_TX | IFM_FDX, 0,
633 	    NULL);
634 	ifmedia_add(&sc->ure_ifmedia, IFM_ETHER | IFM_1000_T, 0, NULL);
635 	ifmedia_add(&sc->ure_ifmedia, IFM_ETHER | IFM_1000_T | IFM_FDX, 0,
636 	    NULL);
637 	ifmedia_add(&sc->ure_ifmedia, IFM_ETHER | IFM_2500_T, 0, NULL);
638 	ifmedia_add(&sc->ure_ifmedia, IFM_ETHER | IFM_2500_T | IFM_FDX, 0,
639 	    NULL);
640 }
641 
642 void
643 ure_link_state(struct ure_softc *sc)
644 {
645 	struct ifnet	*ifp = &sc->ure_ac.ac_if;
646 	int		link = LINK_STATE_DOWN;
647 
648 	if (ure_get_link_status(sc))
649 		link = LINK_STATE_UP;
650 
651 	if (ifp->if_link_state != link) {
652 		ifp->if_link_state = link;
653 		if_link_state_change(ifp);
654 	}
655 }
656 
657 int
658 ure_get_link_status(struct ure_softc *sc)
659 {
660 	if (ure_read_2(sc, URE_PLA_PHYSTATUS, URE_MCU_TYPE_PLA) &
661 	    URE_PHYSTATUS_LINK) {
662 		sc->ure_flags |= URE_FLAG_LINK;
663 		return (1);
664 	} else {
665 		sc->ure_flags &= ~URE_FLAG_LINK;
666 		return (0);
667 	}
668 }
669 
670 void
671 ure_iff(struct ure_softc *sc)
672 {
673 	struct ifnet		*ifp = &sc->ure_ac.ac_if;
674 	struct ether_multi	*enm;
675 	struct ether_multistep	step;
676 	uint32_t		hashes[2] = { 0, 0 };
677 	uint32_t		hash;
678 	uint32_t		rxmode;
679 
680 	if (usbd_is_dying(sc->ure_udev))
681 		return;
682 
683 	rxmode = ure_read_4(sc, URE_PLA_RCR, URE_MCU_TYPE_PLA);
684 	rxmode &= ~URE_RCR_ACPT_ALL;
685 	ifp->if_flags &= ~IFF_ALLMULTI;
686 
687 	/*
688 	 * Always accept frames destined to our station address.
689 	 * Always accept broadcast frames.
690 	 */
691 	rxmode |= URE_RCR_APM | URE_RCR_AB;
692 
693 	if (ifp->if_flags & IFF_PROMISC || sc->ure_ac.ac_multirangecnt > 0) {
694 		ifp->if_flags |= IFF_ALLMULTI;
695 		rxmode |= URE_RCR_AM;
696 		if (ifp->if_flags & IFF_PROMISC)
697 			rxmode |= URE_RCR_AAP;
698 		hashes[0] = hashes[1] = 0xffffffff;
699 	} else {
700 		rxmode |= URE_RCR_AM;
701 
702 		ETHER_FIRST_MULTI(step, &sc->ure_ac, enm);
703 		while (enm != NULL) {
704 			hash = ether_crc32_be(enm->enm_addrlo, ETHER_ADDR_LEN)
705 			    >> 26;
706 			if (hash < 32)
707 				hashes[0] |= (1 << hash);
708 			else
709 				hashes[1] |= (1 << (hash - 32));
710 
711 			ETHER_NEXT_MULTI(step, enm);
712 		}
713 
714 		hash = swap32(hashes[0]);
715 		hashes[0] = swap32(hashes[1]);
716 		hashes[1] = hash;
717 	}
718 
719 	ure_write_mem(sc, URE_PLA_MAR, URE_MCU_TYPE_PLA | URE_BYTE_EN_DWORD,
720 	    hashes, sizeof(hashes));
721 	ure_write_4(sc, URE_PLA_RCR, URE_MCU_TYPE_PLA, rxmode);
722 }
723 
724 void
725 ure_rxvlan(struct ure_softc *sc)
726 {
727 	struct ifnet	*ifp = &sc->ure_ac.ac_if;
728 	uint16_t	reg;
729 
730 	if (sc->ure_flags & (URE_FLAG_8156 | URE_FLAG_8156B)) {
731 		reg = ure_read_2(sc, URE_PLA_RCR1, URE_MCU_TYPE_PLA);
732 		reg &= ~(URE_INNER_VLAN | URE_OUTER_VLAN);
733 		if (ifp->if_capabilities & IFCAP_VLAN_HWTAGGING)
734 			reg |= (URE_INNER_VLAN | URE_OUTER_VLAN);
735 		ure_write_2(sc, URE_PLA_RCR1, URE_MCU_TYPE_PLA, reg);
736 	} else {
737 		reg = ure_read_2(sc, URE_PLA_CPCR, URE_MCU_TYPE_PLA);
738 		reg &= ~URE_CPCR_RX_VLAN;
739 		if (ifp->if_capabilities & IFCAP_VLAN_HWTAGGING)
740 			reg |= URE_CPCR_RX_VLAN;
741 		ure_write_2(sc, URE_PLA_CPCR, URE_MCU_TYPE_PLA, reg);
742 	}
743 }
744 
745 void
746 ure_reset(struct ure_softc *sc)
747 {
748 	int	i;
749 
750 	if (sc->ure_flags & URE_FLAG_8156) {
751 		URE_CLRBIT_1(sc, URE_PLA_CR, URE_MCU_TYPE_PLA, URE_CR_TE);
752 		URE_CLRBIT_2(sc, URE_USB_BMU_RESET, URE_MCU_TYPE_USB,
753 		    BMU_RESET_EP_IN);
754 		URE_SETBIT_2(sc, URE_USB_USB_CTRL, URE_MCU_TYPE_USB,
755 		    URE_CDC_ECM_EN);
756 		URE_CLRBIT_1(sc, URE_PLA_CR, URE_MCU_TYPE_PLA, URE_CR_RE);
757 		URE_SETBIT_2(sc, URE_USB_BMU_RESET, URE_MCU_TYPE_USB,
758 		    BMU_RESET_EP_IN);
759 		URE_CLRBIT_2(sc, URE_USB_USB_CTRL, URE_MCU_TYPE_USB,
760 		    URE_CDC_ECM_EN);
761 	} else {
762 		ure_write_1(sc, URE_PLA_CR, URE_MCU_TYPE_PLA, URE_CR_RST);
763 
764 		for (i = 0; i < URE_TIMEOUT; i++) {
765 			if (!(ure_read_1(sc, URE_PLA_CR, URE_MCU_TYPE_PLA) &
766 			    URE_CR_RST))
767 				break;
768 			DELAY(100);
769 		}
770 		if (i == URE_TIMEOUT)
771 			printf("%s: reset never completed\n",
772 			    sc->ure_dev.dv_xname);
773 	}
774 }
775 
776 void
777 ure_watchdog(struct ifnet *ifp)
778 {
779 	struct ure_softc	*sc = ifp->if_softc;
780 	struct ure_chain	*c;
781 	usbd_status		err;
782 	int			i, s;
783 
784 	ifp->if_timer = 0;
785 
786 	if (usbd_is_dying(sc->ure_udev))
787 		return;
788 
789 	if ((ifp->if_flags & (IFF_RUNNING|IFF_UP)) != (IFF_RUNNING|IFF_UP))
790 		return;
791 
792 	sc = ifp->if_softc;
793 	s = splnet();
794 
795 	ifp->if_oerrors++;
796 	DPRINTF(("%s: watchdog timeout\n", sc->ure_dev.dv_xname));
797 
798 	for (i = 0; i < URE_TX_LIST_CNT; i++) {
799 		c = &sc->ure_cdata.ure_tx_chain[i];
800 		if (c->uc_cnt > 0) {
801 			usbd_get_xfer_status(c->uc_xfer, NULL, NULL, NULL,
802 			    &err);
803 			ure_txeof(c->uc_xfer, c, err);
804 		}
805 	}
806 
807 	if (ifq_is_oactive(&ifp->if_snd))
808 		ifq_restart(&ifp->if_snd);
809 	splx(s);
810 }
811 
812 void
813 ure_init(void *xsc)
814 {
815 	struct ure_softc	*sc = xsc;
816 	struct ure_chain	*c;
817 	struct ifnet		*ifp = &sc->ure_ac.ac_if;
818 	usbd_status		err;
819 	int			s, i;
820 
821 	s = splnet();
822 
823 	/* Cancel pending I/O. */
824 	ure_stop(sc);
825 
826 	if (sc->ure_flags & URE_FLAG_8152)
827 		ure_rtl8152_nic_reset(sc);
828 	else
829 		ure_rtl8153_nic_reset(sc);
830 
831 	if (ure_xfer_list_init(sc, sc->ure_cdata.ure_rx_chain,
832 		sc->ure_rxbufsz, URE_RX_LIST_CNT) == ENOBUFS) {
833 		printf("%s: rx list init failed\n", sc->ure_dev.dv_xname);
834 		splx(s);
835 		return;
836 	}
837 
838 	if (ure_xfer_list_init(sc, sc->ure_cdata.ure_tx_chain,
839 		sc->ure_txbufsz, URE_TX_LIST_CNT) == ENOBUFS) {
840 		printf("%s: tx list init failed\n", sc->ure_dev.dv_xname);
841 		splx(s);
842 		return;
843 	}
844 
845 	/* Initialize the SLIST we are using for the multiple tx buffers */
846 	SLIST_INIT(&sc->ure_cdata.ure_tx_free);
847 	for (i = 0; i < URE_TX_LIST_CNT; i++)
848 		SLIST_INSERT_HEAD(&sc->ure_cdata.ure_tx_free,
849 		    &sc->ure_cdata.ure_tx_chain[i], uc_list);
850 
851 	/* Setup MAC address, and enable TX/RX. */
852 	ure_ifmedia_init(ifp);
853 
854 	/* Load the multicast filter. */
855 	ure_iff(sc);
856 
857 	/* Open RX and TX pipes. */
858 	err = usbd_open_pipe(sc->ure_iface, sc->ure_ed[URE_ENDPT_RX],
859 	    USBD_EXCLUSIVE_USE, &sc->ure_ep[URE_ENDPT_RX]);
860 	if (err) {
861 		printf("%s: open rx pipe failed: %s\n",
862 		    sc->ure_dev.dv_xname, usbd_errstr(err));
863 		splx(s);
864 		return;
865 	}
866 
867 	err = usbd_open_pipe(sc->ure_iface, sc->ure_ed[URE_ENDPT_TX],
868 	    USBD_EXCLUSIVE_USE, &sc->ure_ep[URE_ENDPT_TX]);
869 	if (err) {
870 		printf("%s: open tx pipe failed: %s\n",
871 		    sc->ure_dev.dv_xname, usbd_errstr(err));
872 		splx(s);
873 		return;
874 	}
875 
876 	/* Start up the receive pipe. */
877 	for (i = 0; i < URE_RX_LIST_CNT; i++) {
878 		c = &sc->ure_cdata.ure_rx_chain[i];
879 		usbd_setup_xfer(c->uc_xfer, sc->ure_ep[URE_ENDPT_RX],
880 		    c, c->uc_buf, c->uc_bufmax,
881 		    USBD_SHORT_XFER_OK | USBD_NO_COPY,
882 		    USBD_NO_TIMEOUT, ure_rxeof);
883 		usbd_transfer(c->uc_xfer);
884 	}
885 
886 	ure_ifmedia_upd(ifp);
887 
888 	/* Indicate we are up and running. */
889 	sc->ure_flags &= ~URE_FLAG_LINK;
890 	ifp->if_flags |= IFF_RUNNING;
891 	ifq_clr_oactive(&ifp->if_snd);
892 
893 	timeout_add_sec(&sc->ure_stat_ch, 1);
894 
895 	splx(s);
896 }
897 
898 void
899 ure_start(struct ifnet *ifp)
900 {
901 	struct ure_softc	*sc = ifp->if_softc;
902 	struct ure_cdata	*cd = &sc->ure_cdata;
903 	struct ure_chain	*c;
904 	struct mbuf		*m = NULL;
905 	uint32_t		new_buflen;
906 	int			s, mlen;
907 
908 	if (!(sc->ure_flags & URE_FLAG_LINK) ||
909 		(ifp->if_flags & (IFF_RUNNING|IFF_UP)) !=
910 		    (IFF_RUNNING|IFF_UP)) {
911 		return;
912 	}
913 
914 	s = splnet();
915 
916 	c = SLIST_FIRST(&cd->ure_tx_free);
917 	while (c != NULL) {
918 		m = ifq_deq_begin(&ifp->if_snd);
919 		if (m == NULL)
920 			break;
921 
922 		mlen = m->m_pkthdr.len;
923 
924 		/* Discard packet larger than buffer. */
925 		if (mlen + sizeof(struct ure_txpkt) >= c->uc_bufmax) {
926 			ifq_deq_commit(&ifp->if_snd, m);
927 			m_freem(m);
928 			ifp->if_oerrors++;
929 			continue;
930 		}
931 
932 		/*
933 		 * If packet larger than remaining space, send buffer and
934 		 * continue.
935 		 */
936 		new_buflen = roundup(c->uc_buflen, URE_TX_BUF_ALIGN);
937 		if (new_buflen + sizeof(struct ure_txpkt) + mlen >=
938 		    c->uc_bufmax) {
939 			ifq_deq_rollback(&ifp->if_snd, m);
940 			SLIST_REMOVE_HEAD(&cd->ure_tx_free, uc_list);
941 			if (ure_encap_xfer(ifp, sc, c)) {
942 				SLIST_INSERT_HEAD(&cd->ure_tx_free, c,
943 				    uc_list);
944 				break;
945 			}
946 			c = SLIST_FIRST(&cd->ure_tx_free);
947 			continue;
948 		}
949 
950 		/* Append packet to current buffer. */
951 		mlen = ure_encap_txpkt(m, c->uc_buf + new_buflen,
952 		    c->uc_bufmax - new_buflen);
953 		if (mlen <= 0) {
954 			ifq_deq_rollback(&ifp->if_snd, m);
955 			break;
956 		}
957 
958 		ifq_deq_commit(&ifp->if_snd, m);
959 		c->uc_cnt += 1;
960 		c->uc_buflen = new_buflen + mlen;
961 
962 #if NBPFILTER > 0
963 		if (ifp->if_bpf)
964 			bpf_mtap(ifp->if_bpf, m, BPF_DIRECTION_OUT);
965 #endif
966 
967 		m_freem(m);
968 	}
969 
970 	if (c != NULL) {
971 		/* Send current buffer unless empty */
972 		if (c->uc_buflen > 0 && c->uc_cnt > 0) {
973 			SLIST_REMOVE_HEAD(&cd->ure_tx_free, uc_list);
974 			if (ure_encap_xfer(ifp, sc, c)) {
975 				SLIST_INSERT_HEAD(&cd->ure_tx_free, c,
976 				    uc_list);
977 			}
978 			c = SLIST_FIRST(&cd->ure_tx_free);
979 		}
980 	}
981 
982 	ifp->if_timer = 5;
983 	if (c == NULL)
984 		ifq_set_oactive(&ifp->if_snd);
985 	splx(s);
986 }
987 
988 void
989 ure_tick(void *xsc)
990 {
991 	struct ure_softc	*sc = xsc;
992 
993 	if (sc == NULL)
994 		return;
995 
996 	if (usbd_is_dying(sc->ure_udev))
997 		return;
998 
999 	usb_add_task(sc->ure_udev, &sc->ure_tick_task);
1000 }
1001 
1002 void
1003 ure_stop(struct ure_softc *sc)
1004 {
1005 	struct ure_cdata	*cd;
1006 	struct ifnet		*ifp;
1007 	usbd_status		err;
1008 
1009 	ure_reset(sc);
1010 
1011 	ifp = &sc->ure_ac.ac_if;
1012 	ifp->if_timer = 0;
1013 	ifp->if_flags &= ~IFF_RUNNING;
1014 	ifq_clr_oactive(&ifp->if_snd);
1015 
1016 	timeout_del(&sc->ure_stat_ch);
1017 	sc->ure_flags &= ~URE_FLAG_LINK;
1018 
1019 	if (sc->ure_ep[URE_ENDPT_RX] != NULL) {
1020 		err = usbd_close_pipe(sc->ure_ep[URE_ENDPT_RX]);
1021 		if (err) {
1022 			printf("%s: close rx pipe failed: %s\n",
1023 			    sc->ure_dev.dv_xname, usbd_errstr(err));
1024 		}
1025 		sc->ure_ep[URE_ENDPT_RX] = NULL;
1026 	}
1027 
1028 	if (sc->ure_ep[URE_ENDPT_TX] != NULL) {
1029 		err = usbd_close_pipe(sc->ure_ep[URE_ENDPT_TX]);
1030 		if (err) {
1031 			printf("%s: close tx pipe failed: %s\n",
1032 			    sc->ure_dev.dv_xname, usbd_errstr(err));
1033 		}
1034 		sc->ure_ep[URE_ENDPT_TX] = NULL;
1035 	}
1036 
1037 	cd = &sc->ure_cdata;
1038 	ure_xfer_list_free(sc, cd->ure_rx_chain, URE_RX_LIST_CNT);
1039 	ure_xfer_list_free(sc, cd->ure_tx_chain, URE_TX_LIST_CNT);
1040 }
1041 
1042 int
1043 ure_xfer_list_init(struct ure_softc *sc, struct ure_chain *ch,
1044     uint32_t bufsize, int listlen)
1045 {
1046 	struct ure_chain	*c;
1047 	int			i;
1048 
1049 	for (i = 0; i < listlen; i++) {
1050 		c = &ch[i];
1051 		c->uc_sc = sc;
1052 		c->uc_idx = i;
1053 		c->uc_buflen = 0;
1054 		c->uc_bufmax = bufsize;
1055 		c->uc_cnt = 0;
1056 		if (c->uc_xfer == NULL) {
1057 			c->uc_xfer = usbd_alloc_xfer(sc->ure_udev);
1058 			if (c->uc_xfer == NULL)
1059 				return (ENOBUFS);
1060 			c->uc_buf = usbd_alloc_buffer(c->uc_xfer, c->uc_bufmax);
1061 			if (c->uc_buf == NULL) {
1062 				usbd_free_xfer(c->uc_xfer);
1063 				c->uc_xfer = NULL;
1064 				return (ENOBUFS);
1065 			}
1066 		}
1067 	}
1068 
1069 	return (0);
1070 }
1071 
1072 void
1073 ure_xfer_list_free(struct ure_softc *sc, struct ure_chain *ch, int listlen)
1074 {
1075 	int	i;
1076 
1077 	for (i = 0; i < listlen; i++) {
1078 		if (ch[i].uc_buf != NULL) {
1079 			ch[i].uc_buf = NULL;
1080 		}
1081 		ch[i].uc_cnt = 0;
1082 		if (ch[i].uc_xfer != NULL) {
1083 			usbd_free_xfer(ch[i].uc_xfer);
1084 			ch[i].uc_xfer = NULL;
1085 		}
1086 	}
1087 }
1088 
1089 void
1090 ure_rtl8152_init(struct ure_softc *sc)
1091 {
1092 	uint32_t	pwrctrl;
1093 
1094 	/* Disable ALDPS. */
1095 	ure_ocp_reg_write(sc, URE_OCP_ALDPS_CONFIG, URE_ENPDNPS | URE_LINKENA |
1096 	    URE_DIS_SDSAVE);
1097 	usbd_delay_ms(sc->ure_udev, 20);
1098 
1099 	if (sc->ure_chip & URE_CHIP_VER_4C00)
1100 		URE_CLRBIT_2(sc, URE_PLA_LED_FEATURE, URE_MCU_TYPE_PLA,
1101 		    URE_LED_MODE_MASK);
1102 
1103 	URE_CLRBIT_2(sc, URE_USB_UPS_CTRL, URE_MCU_TYPE_USB, URE_POWER_CUT);
1104 	URE_CLRBIT_2(sc, URE_USB_PM_CTRL_STATUS, URE_MCU_TYPE_USB,
1105 	    URE_RESUME_INDICATE);
1106 
1107 	URE_SETBIT_2(sc, URE_PLA_PHY_PWR, URE_MCU_TYPE_PLA,
1108 	    URE_TX_10M_IDLE_EN | URE_PFM_PWM_SWITCH);
1109 	pwrctrl = ure_read_4(sc, URE_PLA_MAC_PWR_CTRL, URE_MCU_TYPE_PLA);
1110 	pwrctrl &= ~URE_MCU_CLK_RATIO_MASK;
1111 	pwrctrl |= URE_MCU_CLK_RATIO | URE_D3_CLK_GATED_EN;
1112 	ure_write_4(sc, URE_PLA_MAC_PWR_CTRL, URE_MCU_TYPE_PLA, pwrctrl);
1113 	ure_write_2(sc, URE_PLA_GPHY_INTR_IMR, URE_MCU_TYPE_PLA,
1114 	    URE_GPHY_STS_MSK | URE_SPEED_DOWN_MSK | URE_SPDWN_RXDV_MSK |
1115 	    URE_SPDWN_LINKCHG_MSK);
1116 
1117 	URE_SETBIT_2(sc, URE_PLA_RSTTALLY, URE_MCU_TYPE_PLA, URE_TALLY_RESET);
1118 
1119 	/* Enable Rx aggregation. */
1120 	URE_CLRBIT_2(sc, URE_USB_USB_CTRL, URE_MCU_TYPE_USB,
1121 	    URE_RX_AGG_DISABLE | URE_RX_ZERO_EN);
1122 }
1123 
1124 void
1125 ure_rtl8153_init(struct ure_softc *sc)
1126 {
1127 	uint16_t	reg;
1128 	uint8_t		u1u2[8];
1129 	int		i;
1130 
1131 	memset(u1u2, 0x00, sizeof(u1u2));
1132 	ure_write_mem(sc, URE_USB_TOLERANCE, URE_BYTE_EN_SIX_BYTES, u1u2,
1133 	    sizeof(u1u2));
1134 
1135         for (i = 0; i < 500; i++) {
1136 		if (ure_read_2(sc, URE_PLA_BOOT_CTRL, URE_MCU_TYPE_PLA) &
1137 		    URE_AUTOLOAD_DONE)
1138 			break;
1139 		usbd_delay_ms(sc->ure_udev, 20);
1140 	}
1141 	if (i == 500)
1142 		printf("%s: timeout waiting for chip autoload\n",
1143 		    sc->ure_dev.dv_xname);
1144 
1145 	ure_rtl8153_phy_status(sc, 0);
1146 
1147 	if (sc->ure_chip & (URE_CHIP_VER_5C00 | URE_CHIP_VER_5C10 |
1148 	    URE_CHIP_VER_5C20)) {
1149 		ure_ocp_reg_write(sc, URE_OCP_ADC_CFG,
1150 		    URE_CKADSEL_L | URE_ADC_EN | URE_EN_EMI_L);
1151 	}
1152 
1153 	ure_rtl8153_phy_status(sc, URE_PHY_STAT_LAN_ON);
1154 
1155 	URE_CLRBIT_2(sc, URE_USB_U2P3_CTRL, URE_MCU_TYPE_USB, URE_U2P3_ENABLE);
1156 
1157 	if (sc->ure_chip & URE_CHIP_VER_5C10) {
1158 		reg = ure_read_2(sc, URE_USB_SSPHYLINK2, URE_MCU_TYPE_USB);
1159 		reg &= ~URE_PWD_DN_SCALE_MASK;
1160 		reg |= URE_PWD_DN_SCALE(96);
1161 		ure_write_2(sc, URE_USB_SSPHYLINK2, URE_MCU_TYPE_USB, reg);
1162 
1163 		URE_SETBIT_1(sc, URE_USB_USB2PHY, URE_MCU_TYPE_USB,
1164 		    URE_USB2PHY_L1 | URE_USB2PHY_SUSPEND);
1165 	} else if (sc->ure_chip & URE_CHIP_VER_5C20) {
1166 		URE_CLRBIT_1(sc, URE_PLA_DMY_REG0, URE_MCU_TYPE_PLA,
1167 		    URE_ECM_ALDPS);
1168 	}
1169 	if (sc->ure_chip & (URE_CHIP_VER_5C20 | URE_CHIP_VER_5C30)) {
1170 		if (ure_read_2(sc, URE_USB_BURST_SIZE, URE_MCU_TYPE_USB))
1171 			URE_SETBIT_1(sc, URE_USB_CSR_DUMMY1, URE_MCU_TYPE_USB,
1172 			    URE_DYNAMIC_BURST);
1173 		else
1174 			URE_CLRBIT_1(sc, URE_USB_CSR_DUMMY1, URE_MCU_TYPE_USB,
1175 			    URE_DYNAMIC_BURST);
1176 	}
1177 
1178 	URE_SETBIT_1(sc, URE_USB_CSR_DUMMY2, URE_MCU_TYPE_USB, URE_EP4_FULL_FC);
1179 
1180 	URE_CLRBIT_2(sc, URE_USB_WDT11_CTRL, URE_MCU_TYPE_USB, URE_TIMER11_EN);
1181 
1182 	URE_CLRBIT_2(sc, URE_PLA_LED_FEATURE, URE_MCU_TYPE_PLA,
1183 	    URE_LED_MODE_MASK);
1184 
1185 	if ((sc->ure_chip & URE_CHIP_VER_5C10) &&
1186 	    sc->ure_udev->speed != USB_SPEED_SUPER)
1187 		reg = URE_LPM_TIMER_500MS;
1188 	else
1189 		reg = URE_LPM_TIMER_500US;
1190 	ure_write_1(sc, URE_USB_LPM_CTRL, URE_MCU_TYPE_USB,
1191 	    URE_FIFO_EMPTY_1FB | URE_ROK_EXIT_LPM | reg);
1192 
1193 	reg = ure_read_2(sc, URE_USB_AFE_CTRL2, URE_MCU_TYPE_USB);
1194 	reg &= ~URE_SEN_VAL_MASK;
1195 	reg |= URE_SEN_VAL_NORMAL | URE_SEL_RXIDLE;
1196 	ure_write_2(sc, URE_USB_AFE_CTRL2, URE_MCU_TYPE_USB, reg);
1197 
1198 	ure_write_2(sc, URE_USB_CONNECT_TIMER, URE_MCU_TYPE_USB, 0x0001);
1199 
1200 	URE_CLRBIT_2(sc, URE_USB_POWER_CUT, URE_MCU_TYPE_USB,
1201 	    URE_PWR_EN | URE_PHASE2_EN);
1202 	URE_CLRBIT_2(sc, URE_USB_MISC_0, URE_MCU_TYPE_USB, URE_PCUT_STATUS);
1203 
1204 	memset(u1u2, 0xff, sizeof(u1u2));
1205 	ure_write_mem(sc, URE_USB_TOLERANCE, URE_BYTE_EN_SIX_BYTES, u1u2,
1206 	    sizeof(u1u2));
1207 
1208 	ure_write_2(sc, URE_PLA_MAC_PWR_CTRL, URE_MCU_TYPE_PLA, 0);
1209 	ure_write_2(sc, URE_PLA_MAC_PWR_CTRL2, URE_MCU_TYPE_PLA, 0);
1210 	ure_write_2(sc, URE_PLA_MAC_PWR_CTRL3, URE_MCU_TYPE_PLA, 0);
1211 	ure_write_2(sc, URE_PLA_MAC_PWR_CTRL4, URE_MCU_TYPE_PLA, 0);
1212 
1213 	/* Enable Rx aggregation. */
1214 	URE_CLRBIT_2(sc, URE_USB_USB_CTRL, URE_MCU_TYPE_USB,
1215 	    URE_RX_AGG_DISABLE | URE_RX_ZERO_EN);
1216 
1217 	URE_SETBIT_2(sc, URE_PLA_RSTTALLY, URE_MCU_TYPE_PLA, URE_TALLY_RESET);
1218 }
1219 
1220 void
1221 ure_rtl8153b_init(struct ure_softc *sc)
1222 {
1223 	uint16_t	reg;
1224 	int		i;
1225 
1226 	if (sc->ure_flags & (URE_FLAG_8156 | URE_FLAG_8156B)) {
1227 		URE_CLRBIT_1(sc, URE_USB_ECM_OP, URE_MCU_TYPE_USB,
1228 		    URE_EN_ALL_SPEED);
1229 		ure_write_2(sc, URE_USB_SPEED_OPTION, URE_MCU_TYPE_USB, 0);
1230 		URE_SETBIT_2(sc, URE_USB_ECM_OPTION, URE_MCU_TYPE_USB,
1231 		    URE_BYPASS_MAC_RESET);
1232 
1233 		if (sc->ure_flags & URE_FLAG_8156B)
1234 			URE_SETBIT_2(sc, URE_USB_U2P3_CTRL, URE_MCU_TYPE_USB,
1235 			    URE_RX_DETECT8);
1236 	}
1237 
1238 	URE_CLRBIT_2(sc, URE_USB_LPM_CONFIG, URE_MCU_TYPE_USB, LPM_U1U2_EN);
1239 
1240 	if (sc->ure_flags & URE_FLAG_8156B)
1241 		ure_wait_for_flash(sc);
1242 
1243         for (i = 0; i < 500; i++) {
1244 		if (ure_read_2(sc, URE_PLA_BOOT_CTRL, URE_MCU_TYPE_PLA) &
1245 		    URE_AUTOLOAD_DONE)
1246 			break;
1247 		usbd_delay_ms(sc->ure_udev, 20);
1248 	}
1249 	if (i == 500)
1250 		printf("%s: timeout waiting for chip autoload\n",
1251 		    sc->ure_dev.dv_xname);
1252 
1253 	ure_rtl8153_phy_status(sc, 0);
1254 	ure_rtl8153_phy_status(sc, URE_PHY_STAT_LAN_ON);
1255 
1256 	URE_CLRBIT_2(sc, URE_USB_U2P3_CTRL, URE_MCU_TYPE_USB, URE_U2P3_ENABLE);
1257 
1258 	/* MSC timer, 32760 ms. */
1259 	ure_write_2(sc, URE_USB_MSC_TIMER, URE_MCU_TYPE_USB, 4095);
1260 
1261 	if (!(sc->ure_flags & URE_FLAG_8153B)) {
1262 		/* U1/U2/L1 idle timer, 500 us. */
1263 		ure_write_2(sc, URE_USB_U1U2_TIMER, URE_MCU_TYPE_USB, 500);
1264 	}
1265 
1266 	URE_CLRBIT_2(sc, URE_USB_POWER_CUT, URE_MCU_TYPE_USB, URE_PWR_EN);
1267 	URE_CLRBIT_2(sc, URE_USB_MISC_0, URE_MCU_TYPE_USB, URE_PCUT_STATUS);
1268 
1269 	URE_CLRBIT_1(sc, URE_USB_POWER_CUT, URE_MCU_TYPE_USB,
1270 	    URE_UPS_EN | URE_USP_PREWAKE);
1271 	URE_CLRBIT_1(sc, URE_USB_MISC_2, URE_MCU_TYPE_USB,
1272 	    URE_UPS_FORCE_PWR_DOWN);
1273 
1274 	URE_CLRBIT_1(sc, URE_PLA_INDICATE_FALG, URE_MCU_TYPE_PLA,
1275 	    URE_UPCOMING_RUNTIME_D3);
1276 	URE_CLRBIT_1(sc, URE_PLA_SUSPEND_FLAG, URE_MCU_TYPE_PLA,
1277 	    URE_LINK_CHG_EVENT);
1278 	URE_CLRBIT_2(sc, URE_PLA_EXTRA_STATUS, URE_MCU_TYPE_PLA,
1279 	    URE_LINK_CHANGE_FLAG);
1280 
1281 	ure_write_1(sc, URE_PLA_CRWECR, URE_MCU_TYPE_PLA, URE_CRWECR_CONFIG);
1282 	URE_CLRBIT_2(sc, URE_PLA_CONFIG34, URE_MCU_TYPE_PLA,
1283 	    URE_LINK_OFF_WAKE_EN);
1284 	ure_write_1(sc, URE_PLA_CRWECR, URE_MCU_TYPE_PLA, URE_CRWECR_NORAML);
1285 
1286 	if (sc->ure_flags & URE_FLAG_8153B) {
1287 		reg = ure_read_2(sc, URE_PLA_EXTRA_STATUS, URE_MCU_TYPE_PLA);
1288 		if (ure_read_2(sc, URE_PLA_PHYSTATUS, URE_MCU_TYPE_PLA) &
1289 		    URE_PHYSTATUS_LINK)
1290 			reg |= URE_CUR_LINK_OK;
1291 		else
1292 			reg &= ~URE_CUR_LINK_OK;
1293 		ure_write_2(sc, URE_PLA_EXTRA_STATUS, URE_MCU_TYPE_PLA,
1294 		    reg | URE_POLL_LINK_CHG);
1295 	}
1296 
1297 	if (sc->ure_udev->speed == USB_SPEED_SUPER) {
1298 		URE_SETBIT_2(sc, URE_USB_LPM_CONFIG, URE_MCU_TYPE_USB,
1299 		    LPM_U1U2_EN);
1300 	}
1301 
1302 	if (sc->ure_flags & URE_FLAG_8156B) {
1303 		URE_CLRBIT_2(sc, URE_PLA_RCR, URE_MCU_TYPE_PLA, URE_SLOT_EN);
1304 		URE_SETBIT_2(sc, URE_PLA_CPCR, URE_MCU_TYPE_PLA,
1305 		    URE_FLOW_CTRL_EN);
1306 
1307 		/* Enable fc timer and set timer to 600 ms. */
1308 		ure_write_2(sc, URE_USB_FC_TIMER, URE_MCU_TYPE_USB,
1309 		    URE_CTRL_TIMER_EN | 75);
1310 
1311 		reg = ure_read_2(sc, URE_USB_FW_CTRL, URE_MCU_TYPE_USB);
1312 		if (!(ure_read_2(sc, URE_PLA_POL_GPIO_CTRL, URE_MCU_TYPE_PLA) &
1313 		    URE_DACK_DET_EN))
1314 			reg |= URE_FLOW_CTRL_PATCH_2;
1315 		reg &= ~URE_AUTO_SPEEDUP;
1316 		ure_write_2(sc, URE_USB_FW_CTRL, URE_MCU_TYPE_USB, reg);
1317 
1318 		URE_SETBIT_2(sc, URE_USB_FW_TASK, URE_MCU_TYPE_USB,
1319 		    URE_FC_PATCH_TASK);
1320 	}
1321 
1322 	/* MAC clock speed down. */
1323 	if (sc->ure_flags & (URE_FLAG_8156 | URE_FLAG_8156B)) {
1324 		ure_write_2(sc, URE_PLA_MAC_PWR_CTRL, URE_MCU_TYPE_PLA, 0x0403);
1325 		reg = ure_read_2(sc, URE_PLA_MAC_PWR_CTRL2, URE_MCU_TYPE_PLA);
1326 		reg &= ~URE_EEE_SPDWN_RATIO_MASK;
1327 		reg |= URE_MAC_CLK_SPDWN_EN | 0x0003;
1328 		ure_write_2(sc, URE_PLA_MAC_PWR_CTRL2, URE_MCU_TYPE_PLA, reg);
1329 
1330 		URE_CLRBIT_2(sc, URE_PLA_MAC_PWR_CTRL3, URE_MCU_TYPE_PLA,
1331 		    URE_PLA_MCU_SPDWN_EN);
1332 
1333 		reg = ure_read_2(sc, URE_PLA_EXTRA_STATUS, URE_MCU_TYPE_PLA);
1334 		if (ure_read_2(sc, URE_PLA_PHYSTATUS, URE_MCU_TYPE_PLA) &
1335 		    URE_PHYSTATUS_LINK)
1336 			reg |= URE_CUR_LINK_OK;
1337 		else
1338 			reg &= ~URE_CUR_LINK_OK;
1339 		ure_write_2(sc, URE_PLA_EXTRA_STATUS, URE_MCU_TYPE_PLA,
1340 		    reg | URE_POLL_LINK_CHG);
1341 	} else
1342 		URE_SETBIT_2(sc, URE_PLA_MAC_PWR_CTRL2, URE_MCU_TYPE_PLA,
1343 		    URE_MAC_CLK_SPDWN_EN);
1344 
1345 	/* Enable Rx aggregation. */
1346 	URE_CLRBIT_2(sc, URE_USB_USB_CTRL, URE_MCU_TYPE_USB,
1347 	    URE_RX_AGG_DISABLE | URE_RX_ZERO_EN);
1348 
1349 	if (sc->ure_flags & URE_FLAG_8156)
1350 		URE_SETBIT_1(sc, URE_USB_BMU_CONFIG, URE_MCU_TYPE_USB,
1351 		    URE_ACT_ODMA);
1352 
1353 	URE_SETBIT_2(sc, URE_PLA_RSTTALLY, URE_MCU_TYPE_PLA, URE_TALLY_RESET);
1354 }
1355 
1356 void
1357 ure_rtl8152_nic_reset(struct ure_softc *sc)
1358 {
1359 	uint32_t	rx_fifo1, rx_fifo2;
1360 	int		i;
1361 
1362 	/* Disable ALDPS. */
1363 	ure_ocp_reg_write(sc, URE_OCP_ALDPS_CONFIG, URE_ENPDNPS | URE_LINKENA |
1364 	    URE_DIS_SDSAVE);
1365 	usbd_delay_ms(sc->ure_udev, 20);
1366 
1367 	URE_CLRBIT_4(sc, URE_PLA_RCR, URE_MCU_TYPE_PLA, URE_RCR_ACPT_ALL);
1368 
1369 	URE_SETBIT_2(sc, URE_PLA_MISC_1, URE_MCU_TYPE_PLA, URE_RXDY_GATED_EN);
1370 	ure_disable_teredo(sc);
1371 	ure_write_1(sc, URE_PLA_CRWECR, URE_MCU_TYPE_PLA, URE_CRWECR_NORAML);
1372 	ure_write_1(sc, URE_PLA_CR, URE_MCU_TYPE_PLA, 0);
1373 
1374 	URE_CLRBIT_1(sc, URE_PLA_OOB_CTRL, URE_MCU_TYPE_PLA, URE_NOW_IS_OOB);
1375 	URE_CLRBIT_2(sc, URE_PLA_SFF_STS_7, URE_MCU_TYPE_PLA, URE_MCU_BORW_EN);
1376 	for (i = 0; i < URE_TIMEOUT; i++) {
1377 		if (ure_read_1(sc, URE_PLA_OOB_CTRL, URE_MCU_TYPE_PLA) &
1378 		    URE_LINK_LIST_READY)
1379 			break;
1380 		usbd_delay_ms(sc->ure_udev, 1);
1381 	}
1382 	if (i == URE_TIMEOUT)
1383 		printf("%s: timeout waiting for OOB control\n",
1384 		    sc->ure_dev.dv_xname);
1385 	URE_SETBIT_2(sc, URE_PLA_SFF_STS_7, URE_MCU_TYPE_PLA, URE_RE_INIT_LL);
1386 	for (i = 0; i < URE_TIMEOUT; i++) {
1387 		if (ure_read_1(sc, URE_PLA_OOB_CTRL, URE_MCU_TYPE_PLA) &
1388 		    URE_LINK_LIST_READY)
1389 			break;
1390 		usbd_delay_ms(sc->ure_udev, 1);
1391 	}
1392 	if (i == URE_TIMEOUT)
1393 		printf("%s: timeout waiting for OOB control\n",
1394 		    sc->ure_dev.dv_xname);
1395 
1396 	ure_reset(sc);
1397 
1398 	/* Configure Rx FIFO threshold. */
1399 	ure_write_4(sc, URE_PLA_RXFIFO_CTRL0, URE_MCU_TYPE_PLA,
1400 	    URE_RXFIFO_THR1_NORMAL);
1401 	if (sc->ure_udev->speed == USB_SPEED_FULL) {
1402 		rx_fifo1 = URE_RXFIFO_THR2_FULL;
1403 		rx_fifo2 = URE_RXFIFO_THR3_FULL;
1404 	} else {
1405 		rx_fifo1 = URE_RXFIFO_THR2_HIGH;
1406 		rx_fifo2 = URE_RXFIFO_THR3_HIGH;
1407 	}
1408 	ure_write_4(sc, URE_PLA_RXFIFO_CTRL1, URE_MCU_TYPE_PLA, rx_fifo1);
1409 	ure_write_4(sc, URE_PLA_RXFIFO_CTRL2, URE_MCU_TYPE_PLA, rx_fifo2);
1410 
1411 	/* Configure Tx FIFO threshold. */
1412 	ure_write_4(sc, URE_PLA_TXFIFO_CTRL, URE_MCU_TYPE_PLA,
1413 	    URE_TXFIFO_THR_NORMAL);
1414 
1415 	ure_write_1(sc, URE_USB_TX_AGG, URE_MCU_TYPE_USB,
1416 	    URE_TX_AGG_MAX_THRESHOLD);
1417 	ure_write_4(sc, URE_USB_RX_BUF_TH, URE_MCU_TYPE_USB, URE_RX_THR_HIGH);
1418 	ure_write_4(sc, URE_USB_TX_DMA, URE_MCU_TYPE_USB,
1419 	    URE_TEST_MODE_DISABLE | URE_TX_SIZE_ADJUST1);
1420 
1421 	ure_rxvlan(sc);
1422         ure_write_2(sc, URE_PLA_RMS, URE_MCU_TYPE_PLA,
1423 	    ETHER_MAX_LEN + ETHER_VLAN_ENCAP_LEN);
1424 	URE_SETBIT_2(sc, URE_PLA_TCR0, URE_MCU_TYPE_PLA, URE_TCR0_AUTO_FIFO);
1425 
1426 	/* Enable ALDPS. */
1427 	ure_ocp_reg_write(sc, URE_OCP_ALDPS_CONFIG,
1428 	    URE_ENPWRSAVE | URE_ENPDNPS | URE_LINKENA | URE_DIS_SDSAVE);
1429 }
1430 
1431 void
1432 ure_rtl8153_nic_reset(struct ure_softc *sc)
1433 {
1434 	struct ifnet	*ifp = &sc->ure_ac.ac_if;
1435 	uint32_t	reg = 0;
1436 	uint8_t		u1u2[8] = { 0 };
1437 	int		i;
1438 
1439 	if (sc->ure_flags & (URE_FLAG_8153B | URE_FLAG_8156 | URE_FLAG_8156B)) {
1440 		URE_CLRBIT_2(sc, URE_USB_LPM_CONFIG, URE_MCU_TYPE_USB,
1441 		    LPM_U1U2_EN);
1442 	} else {
1443 		memset(u1u2, 0x00, sizeof(u1u2));
1444 		ure_write_mem(sc, URE_USB_TOLERANCE, URE_BYTE_EN_SIX_BYTES,
1445 		    u1u2, sizeof(u1u2));
1446 	}
1447 	URE_CLRBIT_2(sc, URE_USB_U2P3_CTRL, URE_MCU_TYPE_USB, URE_U2P3_ENABLE);
1448 
1449 	/* Disable ALDPS. */
1450 	ure_ocp_reg_write(sc, URE_OCP_POWER_CFG,
1451 	    ure_ocp_reg_read(sc, URE_OCP_POWER_CFG) & ~URE_EN_ALDPS);
1452 	for (i = 0; i < 20; i++) {
1453 		usbd_delay_ms(sc->ure_udev, 1);
1454 		if (ure_read_2(sc, 0xe000, URE_MCU_TYPE_PLA) & 0x0100)
1455 			break;
1456 	}
1457 
1458 	URE_SETBIT_2(sc, URE_PLA_MISC_1, URE_MCU_TYPE_PLA, URE_RXDY_GATED_EN);
1459 	ure_disable_teredo(sc);
1460 
1461 	URE_CLRBIT_4(sc, URE_PLA_RCR, URE_MCU_TYPE_PLA, URE_RCR_ACPT_ALL);
1462 
1463 	ure_reset(sc);
1464 	ure_reset_bmu(sc);
1465 
1466 	URE_CLRBIT_1(sc, URE_PLA_OOB_CTRL, URE_MCU_TYPE_PLA, URE_NOW_IS_OOB);
1467 	URE_CLRBIT_2(sc, URE_PLA_SFF_STS_7, URE_MCU_TYPE_PLA, URE_MCU_BORW_EN);
1468 
1469 	if (!(sc->ure_flags & (URE_FLAG_8156 | URE_FLAG_8156B))) {
1470 		for (i = 0; i < URE_TIMEOUT; i++) {
1471 			if (ure_read_1(sc, URE_PLA_OOB_CTRL, URE_MCU_TYPE_PLA) &
1472 			    URE_LINK_LIST_READY)
1473 				break;
1474 			usbd_delay_ms(sc->ure_udev, 1);
1475 		}
1476 		if (i == URE_TIMEOUT)
1477 			printf("%s: timeout waiting for OOB control\n",
1478 			    sc->ure_dev.dv_xname);
1479 		URE_SETBIT_2(sc, URE_PLA_SFF_STS_7, URE_MCU_TYPE_PLA,
1480 		    URE_RE_INIT_LL);
1481 		for (i = 0; i < URE_TIMEOUT; i++) {
1482 			if (ure_read_1(sc, URE_PLA_OOB_CTRL, URE_MCU_TYPE_PLA) &
1483 			    URE_LINK_LIST_READY)
1484 				break;
1485 			usbd_delay_ms(sc->ure_udev, 1);
1486 		}
1487 		if (i == URE_TIMEOUT)
1488 			printf("%s: timeout waiting for OOB control\n",
1489 			    sc->ure_dev.dv_xname);
1490 	}
1491 
1492 	ure_rxvlan(sc);
1493 
1494 	ure_write_2(sc, URE_PLA_RMS, URE_MCU_TYPE_PLA,
1495 	    URE_FRAMELEN(ifp->if_mtu));
1496 	ure_write_1(sc, URE_PLA_MTPS, URE_MCU_TYPE_PLA, MTPS_JUMBO);
1497 
1498 	if (sc->ure_flags & (URE_FLAG_8156 | URE_FLAG_8156B)) {
1499 		ure_write_2(sc, URE_PLA_RX_FIFO_FULL, URE_MCU_TYPE_PLA,
1500 		    (sc->ure_flags & URE_FLAG_8156) ? 1024 : 512);
1501 		ure_write_2(sc, URE_PLA_RX_FIFO_EMPTY, URE_MCU_TYPE_PLA,
1502 		    (sc->ure_flags & URE_FLAG_8156) ? 2048 : 1024);
1503 
1504 		/* Tx share fifo free credit full threshold. */
1505 		ure_write_2(sc, URE_PLA_TXFIFO_CTRL, URE_MCU_TYPE_PLA, 8);
1506 		ure_write_2(sc, URE_PLA_TXFIFO_FULL, URE_MCU_TYPE_PLA, 128);
1507 
1508 		if (sc->ure_flags & URE_FLAG_8156)
1509 			URE_SETBIT_2(sc, URE_USB_BMU_CONFIG, URE_MCU_TYPE_USB,
1510 			    URE_ACT_ODMA);
1511 
1512 		/* FIFO settings */
1513 		reg = ure_read_2(sc, URE_PLA_RXFIFO_FULL, URE_MCU_TYPE_PLA);
1514 		reg &= ~URE_RXFIFO_FULL_MASK;
1515 		ure_write_2(sc, URE_PLA_RXFIFO_FULL, URE_MCU_TYPE_PLA,
1516 		    reg | 0x0008);
1517 
1518 		URE_CLRBIT_2(sc, URE_PLA_MAC_PWR_CTRL3, URE_MCU_TYPE_PLA,
1519 		    URE_PLA_MCU_SPDWN_EN);
1520 
1521 		URE_CLRBIT_2(sc, URE_USB_SPEED_OPTION, URE_MCU_TYPE_USB,
1522 		    URE_RG_PWRDN_EN | URE_ALL_SPEED_OFF);
1523 
1524 		ure_write_4(sc, URE_USB_RX_BUF_TH, URE_MCU_TYPE_USB,
1525 		    0x00600400);
1526 	}
1527 
1528 	if (!(sc->ure_flags & (URE_FLAG_8156 | URE_FLAG_8156B))) {
1529 		URE_SETBIT_2(sc, URE_PLA_TCR0, URE_MCU_TYPE_PLA,
1530 		    URE_TCR0_AUTO_FIFO);
1531 		ure_reset(sc);
1532 
1533 		/* Configure Rx FIFO threshold. */
1534 		ure_write_4(sc, URE_PLA_RXFIFO_CTRL0, URE_MCU_TYPE_PLA,
1535 		    URE_RXFIFO_THR1_NORMAL);
1536 		ure_write_2(sc, URE_PLA_RXFIFO_CTRL1, URE_MCU_TYPE_PLA,
1537 		    URE_RXFIFO_THR2_NORMAL);
1538 		ure_write_2(sc, URE_PLA_RXFIFO_CTRL2, URE_MCU_TYPE_PLA,
1539 		    URE_RXFIFO_THR3_NORMAL);
1540 
1541 		/* Configure Tx FIFO threshold. */
1542 		ure_write_4(sc, URE_PLA_TXFIFO_CTRL, URE_MCU_TYPE_PLA,
1543 		    URE_TXFIFO_THR_NORMAL2);
1544 
1545 		if (sc->ure_flags & URE_FLAG_8153B) {
1546 			ure_write_4(sc, URE_USB_RX_BUF_TH, URE_MCU_TYPE_USB,
1547 			    URE_RX_THR_B);
1548 
1549 			URE_CLRBIT_2(sc, URE_PLA_MAC_PWR_CTRL3,
1550 			    URE_MCU_TYPE_PLA, URE_PLA_MCU_SPDWN_EN);
1551 		} else {
1552 			URE_SETBIT_1(sc, URE_PLA_CONFIG6, URE_MCU_TYPE_PLA,
1553 			    URE_LANWAKE_CLR_EN);
1554 			URE_CLRBIT_1(sc, URE_PLA_LWAKE_CTRL_REG,
1555 			    URE_MCU_TYPE_PLA, URE_LANWAKE_PIN);
1556 			URE_CLRBIT_2(sc, URE_USB_SSPHYLINK1, URE_MCU_TYPE_USB,
1557 			    URE_DELAY_PHY_PWR_CHG);
1558 		}
1559 	}
1560 
1561 	/* Enable ALDPS. */
1562 	ure_ocp_reg_write(sc, URE_OCP_POWER_CFG,
1563 	    ure_ocp_reg_read(sc, URE_OCP_POWER_CFG) | URE_EN_ALDPS);
1564 
1565 	if ((sc->ure_chip & (URE_CHIP_VER_5C20 | URE_CHIP_VER_5C30)) ||
1566 	    (sc->ure_flags & (URE_FLAG_8156 | URE_FLAG_8156B)))
1567 		URE_SETBIT_2(sc, URE_USB_U2P3_CTRL, URE_MCU_TYPE_USB,
1568 		    URE_U2P3_ENABLE);
1569 
1570 	if (sc->ure_flags & (URE_FLAG_8153B | URE_FLAG_8156 | URE_FLAG_8156B)) {
1571 		if (sc->ure_udev->speed == USB_SPEED_SUPER)
1572 			URE_SETBIT_2(sc, URE_USB_LPM_CONFIG, URE_MCU_TYPE_USB,
1573 			    LPM_U1U2_EN);
1574 	} else {
1575 		memset(u1u2, 0xff, sizeof(u1u2));
1576 		ure_write_mem(sc, URE_USB_TOLERANCE, URE_BYTE_EN_SIX_BYTES,
1577 		    u1u2, sizeof(u1u2));
1578 	}
1579 }
1580 
1581 uint16_t
1582 ure_rtl8153_phy_status(struct ure_softc *sc, int desired)
1583 {
1584 	uint16_t	reg;
1585 	int		i;
1586 
1587 	for (i = 0; i < 500; i++) {
1588 		reg = ure_ocp_reg_read(sc, URE_OCP_PHY_STATUS) &
1589 		    URE_PHY_STAT_MASK;
1590 		if (desired) {
1591 			if (reg == desired)
1592 				break;
1593 		} else {
1594 			if (reg == URE_PHY_STAT_LAN_ON ||
1595 			    reg == URE_PHY_STAT_PWRDN ||
1596 			    reg == URE_PHY_STAT_EXT_INIT)
1597 				break;
1598 		}
1599 		usbd_delay_ms(sc->ure_udev, 20);
1600 	}
1601 	if (i == 500)
1602 		printf("%s: timeout waiting for phy to stabilize\n",
1603 		    sc->ure_dev.dv_xname);
1604 
1605 	return reg;
1606 }
1607 
1608 void
1609 ure_wait_for_flash(struct ure_softc *sc)
1610 {
1611 	int i;
1612 
1613 	if ((ure_read_2(sc, URE_PLA_GPHY_CTRL, URE_MCU_TYPE_PLA) &
1614 	    URE_GPHY_FLASH) &&
1615 	    !(ure_read_2(sc, URE_USB_GPHY_CTRL, URE_MCU_TYPE_USB) &
1616 	    URE_BYPASS_FLASH)) {
1617 	    	for (i = 0; i < 100; i++) {
1618 			if (ure_read_2(sc, URE_USB_GPHY_CTRL,
1619 			    URE_MCU_TYPE_USB) & URE_GPHY_PATCH_DONE)
1620 				break;
1621 			DELAY(1000);
1622 		}
1623 		if (i == 100)
1624 			printf("%s: timeout waiting for loading flash\n",
1625 			    sc->ure_dev.dv_xname);
1626 	}
1627 }
1628 
1629 void
1630 ure_reset_bmu(struct ure_softc *sc)
1631 {
1632 	uint8_t	reg;
1633 
1634 	reg = ure_read_1(sc, URE_USB_BMU_RESET, URE_MCU_TYPE_USB);
1635 	reg &= ~(BMU_RESET_EP_IN | BMU_RESET_EP_OUT);
1636 	ure_write_1(sc, URE_USB_BMU_RESET, URE_MCU_TYPE_USB, reg);
1637 	reg |= BMU_RESET_EP_IN | BMU_RESET_EP_OUT;
1638 	ure_write_1(sc, URE_USB_BMU_RESET, URE_MCU_TYPE_USB, reg);
1639 }
1640 
1641 void
1642 ure_disable_teredo(struct ure_softc *sc)
1643 {
1644 	if (sc->ure_flags & (URE_FLAG_8153B | URE_FLAG_8156 | URE_FLAG_8156B))
1645 		ure_write_1(sc, URE_PLA_TEREDO_CFG, URE_MCU_TYPE_PLA, 0xff);
1646 	else {
1647 		URE_CLRBIT_2(sc, URE_PLA_TEREDO_CFG, URE_MCU_TYPE_PLA,
1648 		    URE_TEREDO_SEL | URE_TEREDO_RS_EVENT_MASK |
1649 		    URE_OOB_TEREDO_EN);
1650 	}
1651 	ure_write_2(sc, URE_PLA_WDT6_CTRL, URE_MCU_TYPE_PLA, URE_WDT6_SET_MODE);
1652 	ure_write_2(sc, URE_PLA_REALWOW_TIMER, URE_MCU_TYPE_PLA, 0);
1653 	ure_write_4(sc, URE_PLA_TEREDO_TIMER, URE_MCU_TYPE_PLA, 0);
1654 }
1655 
1656 int
1657 ure_ioctl(struct ifnet *ifp, u_long cmd, caddr_t data)
1658 {
1659 	struct ure_softc	*sc = ifp->if_softc;
1660 	struct ifreq		*ifr = (struct ifreq *)data;
1661 	int			s, error = 0;
1662 
1663 	s = splnet();
1664 
1665 	switch (cmd) {
1666 	case SIOCSIFADDR:
1667 		ifp->if_flags |= IFF_UP;
1668 		if (!(ifp->if_flags & IFF_RUNNING))
1669 			ure_init(sc);
1670 		break;
1671 
1672 	case SIOCSIFFLAGS:
1673 		if (ifp->if_flags & IFF_UP) {
1674 			if (ifp->if_flags & IFF_RUNNING)
1675 				error = ENETRESET;
1676 			else
1677 				ure_init(sc);
1678 		} else {
1679 			if (ifp->if_flags & IFF_RUNNING)
1680 				ure_stop(sc);
1681 		}
1682 		break;
1683 
1684 	case SIOCGIFMEDIA:
1685 	case SIOCSIFMEDIA:
1686 		if (sc->ure_flags & (URE_FLAG_8156 | URE_FLAG_8156B))
1687 			error = ifmedia_ioctl(ifp, ifr, &sc->ure_ifmedia, cmd);
1688 		else
1689 			error = ifmedia_ioctl(ifp, ifr, &sc->ure_mii.mii_media,
1690 			    cmd);
1691 		break;
1692 
1693 	default:
1694 		error = ether_ioctl(ifp, &sc->ure_ac, cmd, data);
1695 	}
1696 
1697 	if (error == ENETRESET) {
1698 		if (ifp->if_flags & IFF_RUNNING)
1699 			ure_iff(sc);
1700 		error = 0;
1701 	}
1702 
1703 	splx(s);
1704 
1705 	return (error);
1706 }
1707 
1708 int
1709 ure_match(struct device *parent, void *match, void *aux)
1710 {
1711 	struct usb_attach_arg	*uaa = aux;
1712 
1713 	if (uaa->iface == NULL || uaa->configno != 1)
1714 		return (UMATCH_NONE);
1715 
1716 	return (usb_lookup(ure_devs, uaa->vendor, uaa->product) != NULL ?
1717 	    UMATCH_VENDOR_PRODUCT_CONF_IFACE : UMATCH_NONE);
1718 }
1719 
1720 void
1721 ure_attach(struct device *parent, struct device *self, void *aux)
1722 {
1723 	struct ure_softc		*sc = (struct ure_softc *)self;
1724 	struct usb_attach_arg		*uaa = aux;
1725 	usb_interface_descriptor_t	*id;
1726 	usb_endpoint_descriptor_t	*ed;
1727 	u_char				eaddr[8]; /* 4byte padded */
1728 	struct ifnet			*ifp;
1729 	int				i, mii_flags = 0, s;
1730 	uint16_t			ver;
1731 
1732 	sc->ure_udev = uaa->device;
1733 	sc->ure_iface = uaa->iface;
1734 
1735 	usb_init_task(&sc->ure_tick_task, ure_tick_task, sc,
1736 	    USB_TASK_TYPE_GENERIC);
1737 
1738 	id = usbd_get_interface_descriptor(sc->ure_iface);
1739 
1740 	for (i = 0; i < id->bNumEndpoints; i++) {
1741 		ed = usbd_interface2endpoint_descriptor(sc->ure_iface, i);
1742 		if (!ed) {
1743 			printf("%s: couldn't get ep %d\n",
1744 			    sc->ure_dev.dv_xname, i);
1745 			return;
1746 		}
1747 		if (UE_GET_DIR(ed->bEndpointAddress) == UE_DIR_IN &&
1748 		    UE_GET_XFERTYPE(ed->bmAttributes) == UE_BULK) {
1749 			sc->ure_ed[URE_ENDPT_RX] = ed->bEndpointAddress;
1750 		} else if (UE_GET_DIR(ed->bEndpointAddress) == UE_DIR_OUT &&
1751 		    UE_GET_XFERTYPE(ed->bmAttributes) == UE_BULK) {
1752 			sc->ure_ed[URE_ENDPT_TX] = ed->bEndpointAddress;
1753 		}
1754 	}
1755 
1756 	sc->ure_txbufsz = URE_TX_BUFSZ;
1757 	sc->ure_rxbufsz = URE_8153_RX_BUFSZ;
1758 
1759 	s = splnet();
1760 
1761 	sc->ure_phyno = 0;
1762 	printf("%s: ", sc->ure_dev.dv_xname);
1763 
1764 	ver = ure_read_2(sc, URE_PLA_TCR1, URE_MCU_TYPE_PLA) & URE_VERSION_MASK;
1765 	switch (ver) {
1766 	case 0x4c00:
1767 		sc->ure_flags = URE_FLAG_8152;
1768 		sc->ure_rxbufsz = URE_8152_RX_BUFSZ;
1769 		sc->ure_chip |= URE_CHIP_VER_4C00;
1770 		printf("RTL8152 (0x4c00)");
1771 		break;
1772 	case 0x4c10:
1773 		sc->ure_flags = URE_FLAG_8152;
1774 		sc->ure_rxbufsz = URE_8152_RX_BUFSZ;
1775 		sc->ure_chip |= URE_CHIP_VER_4C10;
1776 		printf("RTL8152 (0x4c10)");
1777 		break;
1778 	case 0x5c00:
1779 		sc->ure_chip |= URE_CHIP_VER_5C00;
1780 		printf("RTL8153 (0x5c00)");
1781 		break;
1782 	case 0x5c10:
1783 		sc->ure_chip |= URE_CHIP_VER_5C10;
1784 		printf("RTL8153 (0x5c10)");
1785 		break;
1786 	case 0x5c20:
1787 		sc->ure_chip |= URE_CHIP_VER_5C20;
1788 		printf("RTL8153 (0x5c20)");
1789 		break;
1790 	case 0x5c30:
1791 		sc->ure_chip |= URE_CHIP_VER_5C30;
1792 		printf("RTL8153 (0x5c30)");
1793 		break;
1794 	case 0x6000:
1795 		sc->ure_flags = URE_FLAG_8153B;
1796 		printf("RTL8153B (0x6000)");
1797 		break;
1798 	case 0x6010:
1799 		sc->ure_flags = URE_FLAG_8153B;
1800 		printf("RTL8153B (0x6010)");
1801 		break;
1802 	case 0x7020:
1803 		sc->ure_flags = URE_FLAG_8156;
1804 		printf("RTL8156 (0x7020)");
1805 		break;
1806 	case 0x7030:
1807 		sc->ure_flags = URE_FLAG_8156;
1808 		printf("RTL8156 (0x7030)");
1809 		break;
1810 	case 0x7410:
1811 		sc->ure_flags = URE_FLAG_8156B;
1812 		printf("RTL8156B (0x7410)");
1813 		break;
1814 	default:
1815 		printf(", unknown ver %02x", ver);
1816 		break;
1817 	}
1818 
1819 	if (sc->ure_flags & URE_FLAG_8152)
1820 		ure_rtl8152_init(sc);
1821 	else if (sc->ure_flags & (URE_FLAG_8153B | URE_FLAG_8156 |
1822 	    URE_FLAG_8156B))
1823 		ure_rtl8153b_init(sc);
1824 	else
1825 		ure_rtl8153_init(sc);
1826 
1827 	if (sc->ure_chip & URE_CHIP_VER_4C00)
1828 		ure_read_mem(sc, URE_PLA_IDR, URE_MCU_TYPE_PLA, eaddr,
1829 		    sizeof(eaddr));
1830 	else
1831 		ure_read_mem(sc, URE_PLA_BACKUP, URE_MCU_TYPE_PLA, eaddr,
1832 		    sizeof(eaddr));
1833 
1834 	printf(", address %s\n", ether_sprintf(eaddr));
1835 
1836 	bcopy(eaddr, (char *)&sc->ure_ac.ac_enaddr, ETHER_ADDR_LEN);
1837 
1838 	ifp = &sc->ure_ac.ac_if;
1839 	ifp->if_softc = sc;
1840 	strlcpy(ifp->if_xname, sc->ure_dev.dv_xname, IFNAMSIZ);
1841 	ifp->if_flags = IFF_BROADCAST | IFF_SIMPLEX | IFF_MULTICAST;
1842 	ifp->if_ioctl = ure_ioctl;
1843 	ifp->if_start = ure_start;
1844 	ifp->if_watchdog = ure_watchdog;
1845 
1846 	ifp->if_capabilities = IFCAP_VLAN_MTU | IFCAP_CSUM_IPv4 |
1847 	    IFCAP_CSUM_TCPv4 | IFCAP_CSUM_UDPv4;
1848 
1849 #if NVLAN > 0
1850 	ifp->if_capabilities |= IFCAP_VLAN_HWTAGGING;
1851 #endif
1852 
1853 	if (sc->ure_flags & (URE_FLAG_8156 | URE_FLAG_8156B)) {
1854 		ifmedia_init(&sc->ure_ifmedia, IFM_IMASK, ure_ifmedia_upd,
1855 		    ure_ifmedia_sts);
1856 		ure_add_media_types(sc);
1857 		ifmedia_add(&sc->ure_ifmedia, IFM_ETHER | IFM_AUTO, 0, NULL);
1858 		ifmedia_set(&sc->ure_ifmedia, IFM_ETHER | IFM_AUTO);
1859 		sc->ure_ifmedia.ifm_media = sc->ure_ifmedia.ifm_cur->ifm_media;
1860 	} else {
1861 		rw_init(&sc->ure_mii_lock, "uremii");
1862 
1863 		sc->ure_mii.mii_ifp = ifp;
1864 		sc->ure_mii.mii_readreg = ure_miibus_readreg;
1865 		sc->ure_mii.mii_writereg = ure_miibus_writereg;
1866 		sc->ure_mii.mii_statchg = ure_miibus_statchg;
1867 		sc->ure_mii.mii_flags = MIIF_AUTOTSLEEP;
1868 
1869 		ifmedia_init(&sc->ure_mii.mii_media, 0, ure_ifmedia_upd,
1870 		    ure_ifmedia_sts);
1871 		if (!(sc->ure_flags & URE_FLAG_8152))
1872 			mii_flags |= MIIF_DOPAUSE;
1873 		mii_attach(self, &sc->ure_mii, 0xffffffff, sc->ure_phyno,
1874 		    MII_OFFSET_ANY, mii_flags);
1875 		if (LIST_FIRST(&sc->ure_mii.mii_phys) == NULL) {
1876 			ifmedia_add(&sc->ure_mii.mii_media,
1877 			    IFM_ETHER | IFM_NONE, 0, NULL);
1878 			ifmedia_set(&sc->ure_mii.mii_media,
1879 			    IFM_ETHER | IFM_NONE);
1880 		} else
1881 			ifmedia_set(&sc->ure_mii.mii_media,
1882 			    IFM_ETHER | IFM_AUTO);
1883 	}
1884 
1885 	if_attach(ifp);
1886 	ether_ifattach(ifp);
1887 
1888 	timeout_set(&sc->ure_stat_ch, ure_tick, sc);
1889 
1890 	splx(s);
1891 }
1892 
1893 int
1894 ure_detach(struct device *self, int flags)
1895 {
1896 	struct ure_softc	*sc = (struct ure_softc *)self;
1897 	struct ifnet		*ifp = &sc->ure_ac.ac_if;
1898 	int			s;
1899 
1900 	if (timeout_initialized(&sc->ure_stat_ch))
1901 		timeout_del(&sc->ure_stat_ch);
1902 
1903 	if (sc->ure_ep[URE_ENDPT_TX] != NULL)
1904 		usbd_abort_pipe(sc->ure_ep[URE_ENDPT_TX]);
1905 	if (sc->ure_ep[URE_ENDPT_RX] != NULL)
1906 		usbd_abort_pipe(sc->ure_ep[URE_ENDPT_RX]);
1907 
1908 	usb_rem_task(sc->ure_udev, &sc->ure_tick_task);
1909 
1910 	s = splusb();
1911 
1912 	if (--sc->ure_refcnt >= 0) {
1913 		usb_detach_wait(&sc->ure_dev);
1914 	}
1915 
1916 	if (ifp->if_flags & IFF_RUNNING)
1917 		ure_stop(sc);
1918 
1919 	mii_detach(&sc->ure_mii, MII_PHY_ANY, MII_OFFSET_ANY);
1920 	ifmedia_delete_instance(&sc->ure_mii.mii_media, IFM_INST_ANY);
1921 	if (ifp->if_softc != NULL) {
1922 		ether_ifdetach(ifp);
1923 		if_detach(ifp);
1924 	}
1925 
1926 	splx(s);
1927 
1928 	return 0;
1929 }
1930 
1931 void
1932 ure_tick_task(void *xsc)
1933 {
1934 	struct ure_softc	*sc = xsc;
1935 	struct mii_data		*mii;
1936 	int			s;
1937 
1938 	if (sc == NULL)
1939 		return;
1940 
1941 	if (usbd_is_dying(sc->ure_udev))
1942 		return;
1943 	mii = &sc->ure_mii;
1944 
1945 	s = splnet();
1946 	if (sc->ure_flags & (URE_FLAG_8156 | URE_FLAG_8156B))
1947 		ure_link_state(sc);
1948 	else {
1949 		mii_tick(mii);
1950 		if ((sc->ure_flags & URE_FLAG_LINK) == 0)
1951 			ure_miibus_statchg(&sc->ure_dev);
1952 	}
1953 	timeout_add_sec(&sc->ure_stat_ch, 1);
1954 	splx(s);
1955 }
1956 
1957 void
1958 ure_lock_mii(struct ure_softc *sc)
1959 {
1960 	sc->ure_refcnt++;
1961 	rw_enter_write(&sc->ure_mii_lock);
1962 }
1963 
1964 void
1965 ure_unlock_mii(struct ure_softc *sc)
1966 {
1967 	rw_exit_write(&sc->ure_mii_lock);
1968 	if (--sc->ure_refcnt < 0)
1969 		usb_detach_wakeup(&sc->ure_dev);
1970 }
1971 
1972 void
1973 ure_rxeof(struct usbd_xfer *xfer, void *priv, usbd_status status)
1974 {
1975 	struct ure_chain	*c = (struct ure_chain *)priv;
1976 	struct ure_softc	*sc = c->uc_sc;
1977 	struct ifnet		*ifp = &sc->ure_ac.ac_if;
1978 	u_char			*buf = c->uc_buf;
1979 	uint32_t		cflags, rxvlan, total_len;
1980 	struct mbuf_list	ml = MBUF_LIST_INITIALIZER();
1981 	struct mbuf		*m;
1982 	int			pktlen = 0, s;
1983 	struct ure_rxpkt	rxhdr;
1984 
1985 	if (usbd_is_dying(sc->ure_udev))
1986 		return;
1987 
1988 	if (!(ifp->if_flags & IFF_RUNNING))
1989 		return;
1990 
1991 	if (status != USBD_NORMAL_COMPLETION) {
1992 		if (status == USBD_NOT_STARTED || status == USBD_CANCELLED)
1993 			return;
1994 		if (usbd_ratecheck(&sc->ure_rx_notice)) {
1995 			printf("%s: usb errors on rx: %s\n",
1996 				sc->ure_dev.dv_xname, usbd_errstr(status));
1997 		}
1998 		if (status == USBD_STALLED)
1999 			usbd_clear_endpoint_stall_async(
2000 			    sc->ure_ep[URE_ENDPT_RX]);
2001 		goto done;
2002 	}
2003 
2004 	usbd_get_xfer_status(xfer, NULL, NULL, &total_len, NULL);
2005 	DPRINTFN(3, ("received %d bytes\n", total_len));
2006 
2007 	do {
2008 		if (total_len < sizeof(rxhdr)) {
2009 			DPRINTF(("too few bytes left for a packet header\n"));
2010 			ifp->if_ierrors++;
2011 			goto done;
2012 		}
2013 
2014 		buf += roundup(pktlen, URE_RX_BUF_ALIGN);
2015 
2016 		memcpy(&rxhdr, buf, sizeof(rxhdr));
2017 		total_len -= sizeof(rxhdr);
2018 
2019 		pktlen = letoh32(rxhdr.ure_pktlen) & URE_RXPKT_LEN_MASK;
2020 		DPRINTFN(4, ("next packet is %d bytes\n", pktlen));
2021 		if (pktlen > total_len) {
2022 			DPRINTF(("not enough bytes left for next packet\n"));
2023 			ifp->if_ierrors++;
2024 			goto done;
2025 		}
2026 
2027 		total_len -= roundup(pktlen, URE_RX_BUF_ALIGN);
2028 		buf += sizeof(rxhdr);
2029 
2030 		m = m_devget(buf, pktlen - ETHER_CRC_LEN, ETHER_ALIGN);
2031 		if (m == NULL) {
2032 			DPRINTF(("unable to allocate mbuf for next packet\n"));
2033 			ifp->if_ierrors++;
2034 			goto done;
2035 		}
2036 
2037 		cflags = letoh32(rxhdr.ure_csum);
2038 		rxvlan = letoh32(rxhdr.ure_vlan);
2039 
2040 		/* Check IP header checksum. */
2041 		if ((rxvlan & URE_RXPKT_IPV4) &&
2042 		    !(cflags & URE_RXPKT_IPSUMBAD))
2043 			m->m_pkthdr.csum_flags |= M_IPV4_CSUM_IN_OK;
2044 
2045 		/* Check TCP/UDP checksum. */
2046 		if ((rxvlan & (URE_RXPKT_IPV4 | URE_RXPKT_IPV6)) &&
2047 		    (((rxvlan & URE_RXPKT_TCP) &&
2048 		    !(cflags & URE_RXPKT_TCPSUMBAD)) ||
2049 		    ((rxvlan & URE_RXPKT_UDP) &&
2050 		    !(cflags & URE_RXPKT_UDPSUMBAD))))
2051 			 m->m_pkthdr.csum_flags |= M_TCP_CSUM_IN_OK |
2052 			     M_UDP_CSUM_IN_OK;
2053 #if NVLAN > 0
2054 		if (rxvlan & URE_RXPKT_VLAN_TAG) {
2055 			m->m_pkthdr.ether_vtag =
2056 			    swap16(rxvlan & URE_RXPKT_VLAN_DATA);
2057 			 m->m_flags |= M_VLANTAG;
2058 		}
2059 #endif
2060 
2061 		ml_enqueue(&ml, m);
2062 	} while (total_len > 0);
2063 
2064 done:
2065 	s = splnet();
2066 	if_input(ifp, &ml);
2067 	splx(s);
2068 	memset(c->uc_buf, 0, sc->ure_rxbufsz);
2069 
2070 	usbd_setup_xfer(xfer, sc->ure_ep[URE_ENDPT_RX], c, c->uc_buf,
2071 	    sc->ure_rxbufsz, USBD_SHORT_XFER_OK | USBD_NO_COPY,
2072 	    USBD_NO_TIMEOUT, ure_rxeof);
2073 	usbd_transfer(xfer);
2074 }
2075 
2076 
2077 void
2078 ure_txeof(struct usbd_xfer *xfer, void *priv, usbd_status status)
2079 {
2080 	struct ure_softc	*sc;
2081 	struct ure_chain	*c;
2082 	struct ifnet		*ifp;
2083 	int			s;
2084 
2085 	c = priv;
2086 	sc = c->uc_sc;
2087 	ifp = &sc->ure_ac.ac_if;
2088 
2089 	if (usbd_is_dying(sc->ure_udev))
2090 		return;
2091 
2092 	if (status != USBD_NORMAL_COMPLETION)
2093 		DPRINTF(("%s: %s uc_idx=%u : %s\n", sc->ure_dev.dv_xname,
2094 			__func__, c->uc_idx, usbd_errstr(status)));
2095 
2096 	s = splnet();
2097 
2098 	c->uc_cnt = 0;
2099 	c->uc_buflen = 0;
2100 
2101 	SLIST_INSERT_HEAD(&sc->ure_cdata.ure_tx_free, c, uc_list);
2102 
2103 	if (status != USBD_NORMAL_COMPLETION) {
2104 		if (status == USBD_NOT_STARTED || status == USBD_CANCELLED) {
2105 			splx(s);
2106 			return;
2107 		}
2108 
2109 		ifp->if_oerrors++;
2110 		printf("%s: usb error on tx: %s\n", sc->ure_dev.dv_xname,
2111 		    usbd_errstr(status));
2112 
2113 		if (status == USBD_STALLED)
2114 			usbd_clear_endpoint_stall_async(
2115 			    sc->ure_ep[URE_ENDPT_TX]);
2116 		splx(s);
2117 		return;
2118 	}
2119 
2120 	ifp->if_timer = 0;
2121 	if (ifq_is_oactive(&ifp->if_snd))
2122 		ifq_restart(&ifp->if_snd);
2123 	splx(s);
2124 }
2125 
2126 int
2127 ure_encap_txpkt(struct mbuf *m, char *buf, uint32_t maxlen)
2128 {
2129 	struct ure_txpkt	txhdr;
2130 	uint32_t		len = sizeof(txhdr), cflags = 0;
2131 
2132 	if (len + m->m_pkthdr.len > maxlen)
2133 		return (-1);
2134 
2135 	if ((m->m_pkthdr.csum_flags &
2136 	    (M_IPV4_CSUM_OUT | M_TCP_CSUM_OUT | M_UDP_CSUM_OUT)) != 0) {
2137 		cflags |= URE_TXPKT_IPV4;
2138 		if (m->m_pkthdr.csum_flags & M_TCP_CSUM_OUT)
2139 			cflags |= URE_TXPKT_TCP;
2140 		if (m->m_pkthdr.csum_flags & M_UDP_CSUM_OUT)
2141 			cflags |= URE_TXPKT_UDP;
2142 	}
2143 
2144 #if NVLAN > 0
2145 	if (m->m_flags & M_VLANTAG)
2146 		cflags |= URE_TXPKT_VLAN_TAG | swap16(m->m_pkthdr.ether_vtag);
2147 #endif
2148 
2149 	txhdr.ure_pktlen = htole32(m->m_pkthdr.len | URE_TXPKT_TX_FS |
2150 	    URE_TXPKT_TX_LS);
2151 	txhdr.ure_vlan = htole32(cflags);
2152 	memcpy(buf, &txhdr, len);
2153 
2154 	m_copydata(m, 0, m->m_pkthdr.len, buf + len);
2155 	len += m->m_pkthdr.len;
2156 
2157 	return (len);
2158 }
2159 
2160 int
2161 ure_encap_xfer(struct ifnet *ifp, struct ure_softc *sc, struct ure_chain *c)
2162 {
2163 	usbd_status	err;
2164 
2165 	usbd_setup_xfer(c->uc_xfer, sc->ure_ep[URE_ENDPT_TX], c, c->uc_buf,
2166 	    c->uc_buflen, USBD_FORCE_SHORT_XFER | USBD_NO_COPY, 10000,
2167 	    ure_txeof);
2168 
2169 	err = usbd_transfer(c->uc_xfer);
2170 	if (err != USBD_IN_PROGRESS) {
2171 		c->uc_cnt = 0;
2172 		c->uc_buflen = 0;
2173 		ure_stop(sc);
2174 		return (EIO);
2175 	}
2176 
2177 	return (0);
2178 }
2179