xref: /freebsd/sys/dev/usb/net/if_ure.c (revision 5ca8e32633c4ffbbcd6762e5888b6a4ba0708c6c)
1 /*-
2  * Copyright (c) 2015-2016 Kevin Lo <kevlo@FreeBSD.org>
3  * All rights reserved.
4  *
5  * Redistribution and use in source and binary forms, with or without
6  * modification, are permitted provided that the following conditions
7  * are met:
8  * 1. Redistributions of source code must retain the above copyright
9  *    notice, this list of conditions and the following disclaimer.
10  * 2. Redistributions in binary form must reproduce the above copyright
11  *    notice, this list of conditions and the following disclaimer in the
12  *    documentation and/or other materials provided with the distribution.
13  *
14  * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
15  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
16  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
17  * ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
18  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
19  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
20  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
21  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
22  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
23  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
24  * SUCH DAMAGE.
25  */
26 
27 #include <sys/param.h>
28 #include <sys/systm.h>
29 #include <sys/bus.h>
30 #include <sys/condvar.h>
31 #include <sys/kernel.h>
32 #include <sys/lock.h>
33 #include <sys/module.h>
34 #include <sys/mutex.h>
35 #include <sys/sbuf.h>
36 #include <sys/socket.h>
37 #include <sys/sysctl.h>
38 #include <sys/unistd.h>
39 
40 #include <net/if.h>
41 #include <net/if_var.h>
42 #include <net/if_media.h>
43 
44 /* needed for checksum offload */
45 #include <netinet/in.h>
46 #include <netinet/ip.h>
47 
48 #include <dev/mii/mii.h>
49 #include <dev/mii/miivar.h>
50 
51 #include <dev/usb/usb.h>
52 #include <dev/usb/usbdi.h>
53 #include <dev/usb/usbdi_util.h>
54 #include "usbdevs.h"
55 
56 #define USB_DEBUG_VAR	ure_debug
57 #include <dev/usb/usb_debug.h>
58 #include <dev/usb/usb_process.h>
59 
60 #include <dev/usb/net/usb_ethernet.h>
61 #include <dev/usb/net/if_urereg.h>
62 
63 #include "miibus_if.h"
64 
65 #include "opt_inet6.h"
66 
67 #ifdef USB_DEBUG
68 static int ure_debug = 0;
69 
70 static SYSCTL_NODE(_hw_usb, OID_AUTO, ure, CTLFLAG_RW | CTLFLAG_MPSAFE, 0,
71     "USB ure");
72 SYSCTL_INT(_hw_usb_ure, OID_AUTO, debug, CTLFLAG_RWTUN, &ure_debug, 0,
73     "Debug level");
74 #endif
75 
76 #ifdef USB_DEBUG_VAR
77 #ifdef USB_DEBUG
78 #define DEVPRINTFN(n,dev,fmt,...) do {			\
79 	if ((USB_DEBUG_VAR) >= (n)) {			\
80 		device_printf((dev), "%s: " fmt,	\
81 		    __FUNCTION__ ,##__VA_ARGS__);	\
82 	}						\
83 } while (0)
84 #define DEVPRINTF(...)    DEVPRINTFN(1, __VA_ARGS__)
85 #else
86 #define DEVPRINTF(...) do { } while (0)
87 #define DEVPRINTFN(...) do { } while (0)
88 #endif
89 #endif
90 
91 /*
92  * Various supported device vendors/products.
93  */
94 static const STRUCT_USB_HOST_ID ure_devs[] = {
95 #define	URE_DEV(v,p,i)	{ \
96   USB_VPI(USB_VENDOR_##v, USB_PRODUCT_##v##_##p, i), \
97   USB_IFACE_CLASS(UICLASS_VENDOR), \
98   USB_IFACE_SUBCLASS(UISUBCLASS_VENDOR) }
99 	URE_DEV(LENOVO, RTL8153, URE_FLAG_8153),
100 	URE_DEV(LENOVO, TBT3LANGEN2, 0),
101 	URE_DEV(LENOVO, ONELINK, 0),
102 	URE_DEV(LENOVO, RTL8153_04, URE_FLAG_8153),
103 	URE_DEV(LENOVO, USBCLAN, 0),
104 	URE_DEV(LENOVO, USBCLANGEN2, 0),
105 	URE_DEV(LENOVO, USBCLANHYBRID, 0),
106 	URE_DEV(MICROSOFT, WINDEVETH, 0),
107 	URE_DEV(NVIDIA, RTL8153, URE_FLAG_8153),
108 	URE_DEV(REALTEK, RTL8152, URE_FLAG_8152),
109 	URE_DEV(REALTEK, RTL8153, URE_FLAG_8153),
110 	URE_DEV(TPLINK, RTL8153, URE_FLAG_8153),
111 	URE_DEV(REALTEK, RTL8156, URE_FLAG_8156),
112 #undef URE_DEV
113 };
114 
115 static device_probe_t ure_probe;
116 static device_attach_t ure_attach;
117 static device_detach_t ure_detach;
118 
119 static usb_callback_t ure_bulk_read_callback;
120 static usb_callback_t ure_bulk_write_callback;
121 
122 static miibus_readreg_t ure_miibus_readreg;
123 static miibus_writereg_t ure_miibus_writereg;
124 static miibus_statchg_t ure_miibus_statchg;
125 
126 static uether_fn_t ure_attach_post;
127 static uether_fn_t ure_init;
128 static uether_fn_t ure_stop;
129 static uether_fn_t ure_start;
130 static uether_fn_t ure_tick;
131 static uether_fn_t ure_rxfilter;
132 
133 static int	ure_ctl(struct ure_softc *, uint8_t, uint16_t, uint16_t,
134 		    void *, int);
135 static int	ure_read_mem(struct ure_softc *, uint16_t, uint16_t, void *,
136 		    int);
137 static int	ure_write_mem(struct ure_softc *, uint16_t, uint16_t, void *,
138 		    int);
139 static uint8_t	ure_read_1(struct ure_softc *, uint16_t, uint16_t);
140 static uint16_t	ure_read_2(struct ure_softc *, uint16_t, uint16_t);
141 static uint32_t	ure_read_4(struct ure_softc *, uint16_t, uint16_t);
142 static int	ure_write_1(struct ure_softc *, uint16_t, uint16_t, uint32_t);
143 static int	ure_write_2(struct ure_softc *, uint16_t, uint16_t, uint32_t);
144 static int	ure_write_4(struct ure_softc *, uint16_t, uint16_t, uint32_t);
145 static uint16_t	ure_ocp_reg_read(struct ure_softc *, uint16_t);
146 static void	ure_ocp_reg_write(struct ure_softc *, uint16_t, uint16_t);
147 static void	ure_sram_write(struct ure_softc *, uint16_t, uint16_t);
148 
149 static int	ure_sysctl_chipver(SYSCTL_HANDLER_ARGS);
150 
151 static void	ure_read_chipver(struct ure_softc *);
152 static int	ure_attach_post_sub(struct usb_ether *);
153 static void	ure_reset(struct ure_softc *);
154 static int	ure_ifmedia_upd(if_t);
155 static void	ure_ifmedia_sts(if_t, struct ifmediareq *);
156 static void	ure_add_media_types(struct ure_softc *);
157 static void	ure_link_state(struct ure_softc *sc);
158 static int		ure_get_link_status(struct ure_softc *);
159 static int		ure_ioctl(if_t, u_long, caddr_t);
160 static void	ure_rtl8152_init(struct ure_softc *);
161 static void	ure_rtl8152_nic_reset(struct ure_softc *);
162 static void	ure_rtl8153_init(struct ure_softc *);
163 static void	ure_rtl8153b_init(struct ure_softc *);
164 static void	ure_rtl8153b_nic_reset(struct ure_softc *);
165 static void	ure_disable_teredo(struct ure_softc *);
166 static void	ure_enable_aldps(struct ure_softc *, bool);
167 static uint16_t	ure_phy_status(struct ure_softc *, uint16_t);
168 static void	ure_rxcsum(int capenb, struct ure_rxpkt *rp, struct mbuf *m);
169 static int	ure_txcsum(struct mbuf *m, int caps, uint32_t *regout);
170 
171 static device_method_t ure_methods[] = {
172 	/* Device interface. */
173 	DEVMETHOD(device_probe, ure_probe),
174 	DEVMETHOD(device_attach, ure_attach),
175 	DEVMETHOD(device_detach, ure_detach),
176 
177 	/* MII interface. */
178 	DEVMETHOD(miibus_readreg, ure_miibus_readreg),
179 	DEVMETHOD(miibus_writereg, ure_miibus_writereg),
180 	DEVMETHOD(miibus_statchg, ure_miibus_statchg),
181 
182 	DEVMETHOD_END
183 };
184 
185 static driver_t ure_driver = {
186 	.name = "ure",
187 	.methods = ure_methods,
188 	.size = sizeof(struct ure_softc),
189 };
190 
191 DRIVER_MODULE(ure, uhub, ure_driver, NULL, NULL);
192 DRIVER_MODULE(miibus, ure, miibus_driver, NULL, NULL);
193 MODULE_DEPEND(ure, uether, 1, 1, 1);
194 MODULE_DEPEND(ure, usb, 1, 1, 1);
195 MODULE_DEPEND(ure, ether, 1, 1, 1);
196 MODULE_DEPEND(ure, miibus, 1, 1, 1);
197 MODULE_VERSION(ure, 1);
198 USB_PNP_HOST_INFO(ure_devs);
199 
200 static const struct usb_ether_methods ure_ue_methods = {
201 	.ue_attach_post = ure_attach_post,
202 	.ue_attach_post_sub = ure_attach_post_sub,
203 	.ue_start = ure_start,
204 	.ue_init = ure_init,
205 	.ue_stop = ure_stop,
206 	.ue_tick = ure_tick,
207 	.ue_setmulti = ure_rxfilter,
208 	.ue_setpromisc = ure_rxfilter,
209 	.ue_mii_upd = ure_ifmedia_upd,
210 	.ue_mii_sts = ure_ifmedia_sts,
211 };
212 
213 #define	URE_SETBIT_1(sc, reg, index, x) \
214 	ure_write_1(sc, reg, index, ure_read_1(sc, reg, index) | (x))
215 #define	URE_SETBIT_2(sc, reg, index, x) \
216 	ure_write_2(sc, reg, index, ure_read_2(sc, reg, index) | (x))
217 #define	URE_SETBIT_4(sc, reg, index, x) \
218 	ure_write_4(sc, reg, index, ure_read_4(sc, reg, index) | (x))
219 
220 #define	URE_CLRBIT_1(sc, reg, index, x) \
221 	ure_write_1(sc, reg, index, ure_read_1(sc, reg, index) & ~(x))
222 #define	URE_CLRBIT_2(sc, reg, index, x) \
223 	ure_write_2(sc, reg, index, ure_read_2(sc, reg, index) & ~(x))
224 #define	URE_CLRBIT_4(sc, reg, index, x) \
225 	ure_write_4(sc, reg, index, ure_read_4(sc, reg, index) & ~(x))
226 
227 static int
228 ure_ctl(struct ure_softc *sc, uint8_t rw, uint16_t val, uint16_t index,
229     void *buf, int len)
230 {
231 	struct usb_device_request req;
232 
233 	URE_LOCK_ASSERT(sc, MA_OWNED);
234 
235 	if (rw == URE_CTL_WRITE)
236 		req.bmRequestType = UT_WRITE_VENDOR_DEVICE;
237 	else
238 		req.bmRequestType = UT_READ_VENDOR_DEVICE;
239 	req.bRequest = UR_SET_ADDRESS;
240 	USETW(req.wValue, val);
241 	USETW(req.wIndex, index);
242 	USETW(req.wLength, len);
243 
244 	return (uether_do_request(&sc->sc_ue, &req, buf, 1000));
245 }
246 
247 static int
248 ure_read_mem(struct ure_softc *sc, uint16_t addr, uint16_t index,
249     void *buf, int len)
250 {
251 
252 	return (ure_ctl(sc, URE_CTL_READ, addr, index, buf, len));
253 }
254 
255 static int
256 ure_write_mem(struct ure_softc *sc, uint16_t addr, uint16_t index,
257     void *buf, int len)
258 {
259 
260 	return (ure_ctl(sc, URE_CTL_WRITE, addr, index, buf, len));
261 }
262 
263 static uint8_t
264 ure_read_1(struct ure_softc *sc, uint16_t reg, uint16_t index)
265 {
266 	uint32_t val;
267 	uint8_t temp[4];
268 	uint8_t shift;
269 
270 	shift = (reg & 3) << 3;
271 	reg &= ~3;
272 
273 	ure_read_mem(sc, reg, index, &temp, 4);
274 	val = UGETDW(temp);
275 	val >>= shift;
276 
277 	return (val & 0xff);
278 }
279 
280 static uint16_t
281 ure_read_2(struct ure_softc *sc, uint16_t reg, uint16_t index)
282 {
283 	uint32_t val;
284 	uint8_t temp[4];
285 	uint8_t shift;
286 
287 	shift = (reg & 2) << 3;
288 	reg &= ~3;
289 
290 	ure_read_mem(sc, reg, index, &temp, 4);
291 	val = UGETDW(temp);
292 	val >>= shift;
293 
294 	return (val & 0xffff);
295 }
296 
297 static uint32_t
298 ure_read_4(struct ure_softc *sc, uint16_t reg, uint16_t index)
299 {
300 	uint8_t temp[4];
301 
302 	ure_read_mem(sc, reg, index, &temp, 4);
303 	return (UGETDW(temp));
304 }
305 
306 static int
307 ure_write_1(struct ure_softc *sc, uint16_t reg, uint16_t index, uint32_t val)
308 {
309 	uint16_t byen;
310 	uint8_t temp[4];
311 	uint8_t shift;
312 
313 	byen = URE_BYTE_EN_BYTE;
314 	shift = reg & 3;
315 	val &= 0xff;
316 
317 	if (reg & 3) {
318 		byen <<= shift;
319 		val <<= (shift << 3);
320 		reg &= ~3;
321 	}
322 
323 	USETDW(temp, val);
324 	return (ure_write_mem(sc, reg, index | byen, &temp, 4));
325 }
326 
327 static int
328 ure_write_2(struct ure_softc *sc, uint16_t reg, uint16_t index, uint32_t val)
329 {
330 	uint16_t byen;
331 	uint8_t temp[4];
332 	uint8_t shift;
333 
334 	byen = URE_BYTE_EN_WORD;
335 	shift = reg & 2;
336 	val &= 0xffff;
337 
338 	if (reg & 2) {
339 		byen <<= shift;
340 		val <<= (shift << 3);
341 		reg &= ~3;
342 	}
343 
344 	USETDW(temp, val);
345 	return (ure_write_mem(sc, reg, index | byen, &temp, 4));
346 }
347 
348 static int
349 ure_write_4(struct ure_softc *sc, uint16_t reg, uint16_t index, uint32_t val)
350 {
351 	uint8_t temp[4];
352 
353 	USETDW(temp, val);
354 	return (ure_write_mem(sc, reg, index | URE_BYTE_EN_DWORD, &temp, 4));
355 }
356 
357 static uint16_t
358 ure_ocp_reg_read(struct ure_softc *sc, uint16_t addr)
359 {
360 	uint16_t reg;
361 
362 	ure_write_2(sc, URE_PLA_OCP_GPHY_BASE, URE_MCU_TYPE_PLA, addr & 0xf000);
363 	reg = (addr & 0x0fff) | 0xb000;
364 
365 	return (ure_read_2(sc, reg, URE_MCU_TYPE_PLA));
366 }
367 
368 static void
369 ure_ocp_reg_write(struct ure_softc *sc, uint16_t addr, uint16_t data)
370 {
371 	uint16_t reg;
372 
373 	ure_write_2(sc, URE_PLA_OCP_GPHY_BASE, URE_MCU_TYPE_PLA, addr & 0xf000);
374 	reg = (addr & 0x0fff) | 0xb000;
375 
376 	ure_write_2(sc, reg, URE_MCU_TYPE_PLA, data);
377 }
378 
379 static void
380 ure_sram_write(struct ure_softc *sc, uint16_t addr, uint16_t data)
381 {
382 	ure_ocp_reg_write(sc, URE_OCP_SRAM_ADDR, addr);
383 	ure_ocp_reg_write(sc, URE_OCP_SRAM_DATA, data);
384 }
385 
386 static int
387 ure_miibus_readreg(device_t dev, int phy, int reg)
388 {
389 	struct ure_softc *sc;
390 	uint16_t val;
391 	int locked;
392 
393 	sc = device_get_softc(dev);
394 	locked = mtx_owned(&sc->sc_mtx);
395 	if (!locked)
396 		URE_LOCK(sc);
397 
398 	/* Let the rgephy driver read the URE_GMEDIASTAT register. */
399 	if (reg == URE_GMEDIASTAT) {
400 		if (!locked)
401 			URE_UNLOCK(sc);
402 		return (ure_read_1(sc, URE_GMEDIASTAT, URE_MCU_TYPE_PLA));
403 	}
404 
405 	val = ure_ocp_reg_read(sc, URE_OCP_BASE_MII + reg * 2);
406 
407 	if (!locked)
408 		URE_UNLOCK(sc);
409 	return (val);
410 }
411 
412 static int
413 ure_miibus_writereg(device_t dev, int phy, int reg, int val)
414 {
415 	struct ure_softc *sc;
416 	int locked;
417 
418 	sc = device_get_softc(dev);
419 	if (sc->sc_phyno != phy)
420 		return (0);
421 
422 	locked = mtx_owned(&sc->sc_mtx);
423 	if (!locked)
424 		URE_LOCK(sc);
425 
426 	ure_ocp_reg_write(sc, URE_OCP_BASE_MII + reg * 2, val);
427 
428 	if (!locked)
429 		URE_UNLOCK(sc);
430 	return (0);
431 }
432 
433 static void
434 ure_miibus_statchg(device_t dev)
435 {
436 	struct ure_softc *sc;
437 	struct mii_data *mii;
438 	if_t ifp;
439 	int locked;
440 
441 	sc = device_get_softc(dev);
442 	mii = GET_MII(sc);
443 	locked = mtx_owned(&sc->sc_mtx);
444 	if (!locked)
445 		URE_LOCK(sc);
446 
447 	ifp = uether_getifp(&sc->sc_ue);
448 	if (mii == NULL || ifp == NULL ||
449 	    (if_getdrvflags(ifp) & IFF_DRV_RUNNING) == 0)
450 		goto done;
451 
452 	sc->sc_flags &= ~URE_FLAG_LINK;
453 	if ((mii->mii_media_status & (IFM_ACTIVE | IFM_AVALID)) ==
454 	    (IFM_ACTIVE | IFM_AVALID)) {
455 		switch (IFM_SUBTYPE(mii->mii_media_active)) {
456 		case IFM_10_T:
457 		case IFM_100_TX:
458 			sc->sc_flags |= URE_FLAG_LINK;
459 			sc->sc_rxstarted = 0;
460 			break;
461 		case IFM_1000_T:
462 			if ((sc->sc_flags & URE_FLAG_8152) != 0)
463 				break;
464 			sc->sc_flags |= URE_FLAG_LINK;
465 			sc->sc_rxstarted = 0;
466 			break;
467 		default:
468 			break;
469 		}
470 	}
471 
472 	/* Lost link, do nothing. */
473 	if ((sc->sc_flags & URE_FLAG_LINK) == 0)
474 		goto done;
475 done:
476 	if (!locked)
477 		URE_UNLOCK(sc);
478 }
479 
480 /*
481  * Probe for a RTL8152/RTL8153 chip.
482  */
483 static int
484 ure_probe(device_t dev)
485 {
486 	struct usb_attach_arg *uaa;
487 
488 	uaa = device_get_ivars(dev);
489 	if (uaa->usb_mode != USB_MODE_HOST)
490 		return (ENXIO);
491 	if (uaa->info.bIfaceIndex != URE_IFACE_IDX)
492 		return (ENXIO);
493 
494 	return (usbd_lookup_id_by_uaa(ure_devs, sizeof(ure_devs), uaa));
495 }
496 
497 /*
498  * Attach the interface. Allocate softc structures, do ifmedia
499  * setup and ethernet/BPF attach.
500  */
501 static int
502 ure_attach(device_t dev)
503 {
504 	struct usb_attach_arg *uaa = device_get_ivars(dev);
505 	struct ure_softc *sc = device_get_softc(dev);
506 	struct usb_ether *ue = &sc->sc_ue;
507 	struct usb_config ure_config_rx[URE_MAX_RX];
508 	struct usb_config ure_config_tx[URE_MAX_TX];
509 	uint8_t iface_index;
510 	int error;
511 	int i;
512 
513 	sc->sc_flags = USB_GET_DRIVER_INFO(uaa);
514 	device_set_usb_desc(dev);
515 	mtx_init(&sc->sc_mtx, device_get_nameunit(dev), NULL, MTX_DEF);
516 
517 	iface_index = URE_IFACE_IDX;
518 
519 	if (sc->sc_flags & (URE_FLAG_8153 | URE_FLAG_8153B))
520 		sc->sc_rxbufsz = URE_8153_RX_BUFSZ;
521 	else if (sc->sc_flags & (URE_FLAG_8156 | URE_FLAG_8156B))
522 		sc->sc_rxbufsz = URE_8156_RX_BUFSZ;
523 	else
524 		sc->sc_rxbufsz = URE_8152_RX_BUFSZ;
525 
526 	for (i = 0; i < URE_MAX_RX; i++) {
527 		ure_config_rx[i] = (struct usb_config) {
528 			.type = UE_BULK,
529 			.endpoint = UE_ADDR_ANY,
530 			.direction = UE_DIR_IN,
531 			.bufsize = sc->sc_rxbufsz,
532 			.flags = {.pipe_bof = 1,.short_xfer_ok = 1,},
533 			.callback = ure_bulk_read_callback,
534 			.timeout = 0,	/* no timeout */
535 		};
536 	}
537 	error = usbd_transfer_setup(uaa->device, &iface_index, sc->sc_rx_xfer,
538 	    ure_config_rx, URE_MAX_RX, sc, &sc->sc_mtx);
539 	if (error != 0) {
540 		device_printf(dev, "allocating USB RX transfers failed\n");
541 		goto detach;
542 	}
543 
544 	for (i = 0; i < URE_MAX_TX; i++) {
545 		ure_config_tx[i] = (struct usb_config) {
546 			.type = UE_BULK,
547 			.endpoint = UE_ADDR_ANY,
548 			.direction = UE_DIR_OUT,
549 			.bufsize = URE_TX_BUFSZ,
550 			.flags = {.pipe_bof = 1,.force_short_xfer = 1,},
551 			.callback = ure_bulk_write_callback,
552 			.timeout = 10000,	/* 10 seconds */
553 		};
554 	}
555 	error = usbd_transfer_setup(uaa->device, &iface_index, sc->sc_tx_xfer,
556 	    ure_config_tx, URE_MAX_TX, sc, &sc->sc_mtx);
557 	if (error != 0) {
558 		usbd_transfer_unsetup(sc->sc_rx_xfer, URE_MAX_RX);
559 		device_printf(dev, "allocating USB TX transfers failed\n");
560 		goto detach;
561 	}
562 
563 	ue->ue_sc = sc;
564 	ue->ue_dev = dev;
565 	ue->ue_udev = uaa->device;
566 	ue->ue_mtx = &sc->sc_mtx;
567 	ue->ue_methods = &ure_ue_methods;
568 
569 	error = uether_ifattach(ue);
570 	if (error != 0) {
571 		device_printf(dev, "could not attach interface\n");
572 		goto detach;
573 	}
574 	return (0);			/* success */
575 
576 detach:
577 	ure_detach(dev);
578 	return (ENXIO);			/* failure */
579 }
580 
581 static int
582 ure_detach(device_t dev)
583 {
584 	struct ure_softc *sc = device_get_softc(dev);
585 	struct usb_ether *ue = &sc->sc_ue;
586 
587 	usbd_transfer_unsetup(sc->sc_tx_xfer, URE_MAX_TX);
588 	usbd_transfer_unsetup(sc->sc_rx_xfer, URE_MAX_RX);
589 	uether_ifdetach(ue);
590 	mtx_destroy(&sc->sc_mtx);
591 
592 	return (0);
593 }
594 
595 /*
596  * Copy from USB buffers to a new mbuf chain with pkt header.
597  *
598  * This will use m_getm2 to get a mbuf chain w/ properly sized mbuf
599  * clusters as necessary.
600  */
601 static struct mbuf *
602 ure_makembuf(struct usb_page_cache *pc, usb_frlength_t offset,
603     usb_frlength_t len)
604 {
605 	struct usb_page_search_res;
606 	struct mbuf *m, *mb;
607 	usb_frlength_t tlen;
608 
609 	m = m_getm2(NULL, len + ETHER_ALIGN, M_NOWAIT, MT_DATA, M_PKTHDR);
610 	if (m == NULL)
611 		return (m);
612 
613 	/* uether_newbuf does this. */
614 	m_adj(m, ETHER_ALIGN);
615 
616 	m->m_pkthdr.len = len;
617 
618 	for (mb = m; len > 0; mb = mb->m_next) {
619 		tlen = MIN(len, M_TRAILINGSPACE(mb));
620 
621 		usbd_copy_out(pc, offset, mtod(mb, uint8_t *), tlen);
622 		mb->m_len = tlen;
623 
624 		offset += tlen;
625 		len -= tlen;
626 	}
627 
628 	return (m);
629 }
630 
631 static void
632 ure_bulk_read_callback(struct usb_xfer *xfer, usb_error_t error)
633 {
634 	struct ure_softc *sc = usbd_xfer_softc(xfer);
635 	struct usb_ether *ue = &sc->sc_ue;
636 	if_t ifp = uether_getifp(ue);
637 	struct usb_page_cache *pc;
638 	struct mbuf *m;
639 	struct ure_rxpkt pkt;
640 	int actlen, off, len;
641 	int caps;
642 	uint32_t pktcsum;
643 
644 	usbd_xfer_status(xfer, &actlen, NULL, NULL, NULL);
645 
646 	switch (USB_GET_STATE(xfer)) {
647 	case USB_ST_TRANSFERRED:
648 		off = 0;
649 		pc = usbd_xfer_get_frame(xfer, 0);
650 		caps = if_getcapenable(ifp);
651 		DEVPRINTFN(13, sc->sc_ue.ue_dev, "rcb start\n");
652 		while (actlen > 0) {
653 			if (actlen < (int)(sizeof(pkt))) {
654 				if_inc_counter(ifp, IFCOUNTER_IERRORS, 1);
655 				goto tr_setup;
656 			}
657 			usbd_copy_out(pc, off, &pkt, sizeof(pkt));
658 
659 			off += sizeof(pkt);
660 			actlen -= sizeof(pkt);
661 
662 			len = le32toh(pkt.ure_pktlen) & URE_RXPKT_LEN_MASK;
663 
664 			DEVPRINTFN(13, sc->sc_ue.ue_dev,
665 			    "rxpkt: %#x, %#x, %#x, %#x, %#x, %#x\n",
666 			    pkt.ure_pktlen, pkt.ure_csum, pkt.ure_misc,
667 			    pkt.ure_rsvd2, pkt.ure_rsvd3, pkt.ure_rsvd4);
668 			DEVPRINTFN(13, sc->sc_ue.ue_dev, "len: %d\n", len);
669 
670 			if (len >= URE_RXPKT_LEN_MASK) {
671 				/*
672 				 * drop the rest of this segment.  With out
673 				 * more information, we cannot know where next
674 				 * packet starts.  Blindly continuing would
675 				 * cause a packet in packet attack, allowing
676 				 * one VLAN to inject packets w/o a VLAN tag,
677 				 * or injecting packets into other VLANs.
678 				 */
679 				if_inc_counter(ifp, IFCOUNTER_IERRORS, 1);
680 				goto tr_setup;
681 			}
682 
683 			if (actlen < len) {
684 				if_inc_counter(ifp, IFCOUNTER_IERRORS, 1);
685 				goto tr_setup;
686 			}
687 
688 			if (len >= (ETHER_HDR_LEN + ETHER_CRC_LEN))
689 				m = ure_makembuf(pc, off, len - ETHER_CRC_LEN);
690 			else
691 				m = NULL;
692 			if (m == NULL) {
693 				if_inc_counter(ifp, IFCOUNTER_IQDROPS, 1);
694 			} else {
695 				/* make mbuf and queue */
696 				pktcsum = le32toh(pkt.ure_csum);
697 				if (caps & IFCAP_VLAN_HWTAGGING &&
698 				    pktcsum & URE_RXPKT_RX_VLAN_TAG) {
699 					m->m_pkthdr.ether_vtag =
700 					    bswap16(pktcsum &
701 					    URE_RXPKT_VLAN_MASK);
702 					m->m_flags |= M_VLANTAG;
703 				}
704 
705 				/* set the necessary flags for rx checksum */
706 				ure_rxcsum(caps, &pkt, m);
707 
708 				uether_rxmbuf(ue, m, len - ETHER_CRC_LEN);
709 			}
710 
711 			off += roundup(len, URE_RXPKT_ALIGN);
712 			actlen -= roundup(len, URE_RXPKT_ALIGN);
713 		}
714 		DEVPRINTFN(13, sc->sc_ue.ue_dev, "rcb end\n");
715 
716 		/* FALLTHROUGH */
717 	case USB_ST_SETUP:
718 tr_setup:
719 		usbd_xfer_set_frame_len(xfer, 0, usbd_xfer_max_len(xfer));
720 		usbd_transfer_submit(xfer);
721 		uether_rxflush(ue);
722 		return;
723 
724 	default:			/* Error */
725 		DPRINTF("bulk read error, %s\n",
726 		    usbd_errstr(error));
727 
728 		if (error != USB_ERR_CANCELLED) {
729 			/* try to clear stall first */
730 			usbd_xfer_set_stall(xfer);
731 			goto tr_setup;
732 		}
733 		return;
734 	}
735 }
736 
737 static void
738 ure_bulk_write_callback(struct usb_xfer *xfer, usb_error_t error)
739 {
740 	struct ure_softc *sc = usbd_xfer_softc(xfer);
741 	if_t ifp = uether_getifp(&sc->sc_ue);
742 	struct usb_page_cache *pc;
743 	struct mbuf *m;
744 	struct ure_txpkt txpkt;
745 	uint32_t regtmp;
746 	int len, pos;
747 	int rem;
748 	int caps;
749 
750 	switch (USB_GET_STATE(xfer)) {
751 	case USB_ST_TRANSFERRED:
752 		DPRINTFN(11, "transfer complete\n");
753 		if_setdrvflagbits(ifp, 0, IFF_DRV_OACTIVE);
754 
755 		/* FALLTHROUGH */
756 	case USB_ST_SETUP:
757 tr_setup:
758 		if ((sc->sc_flags & URE_FLAG_LINK) == 0) {
759 			/* don't send anything if there is no link! */
760 			break;
761 		}
762 
763 		pc = usbd_xfer_get_frame(xfer, 0);
764 		caps = if_getcapenable(ifp);
765 
766 		pos = 0;
767 		rem = URE_TX_BUFSZ;
768 		while (rem > sizeof(txpkt)) {
769 			m = if_dequeue(ifp);
770 			if (m == NULL)
771 				break;
772 
773 			/*
774 			 * make sure we don't ever send too large of a
775 			 * packet
776 			 */
777 			len = m->m_pkthdr.len;
778 			if ((len & URE_TXPKT_LEN_MASK) != len) {
779 				device_printf(sc->sc_ue.ue_dev,
780 				    "pkt len too large: %#x", len);
781 pkterror:
782 				if_inc_counter(ifp, IFCOUNTER_OERRORS, 1);
783 				m_freem(m);
784 				continue;
785 			}
786 
787 			if (sizeof(txpkt) +
788 			    roundup(len, URE_TXPKT_ALIGN) > rem) {
789 				/* out of space */
790 				if_sendq_prepend(ifp, m);
791 				m = NULL;
792 				break;
793 			}
794 
795 			txpkt = (struct ure_txpkt){};
796 			txpkt.ure_pktlen = htole32((len & URE_TXPKT_LEN_MASK) |
797 			    URE_TKPKT_TX_FS | URE_TKPKT_TX_LS);
798 			if (m->m_flags & M_VLANTAG) {
799 				txpkt.ure_csum = htole32(
800 				    bswap16(m->m_pkthdr.ether_vtag &
801 				    URE_TXPKT_VLAN_MASK) | URE_TXPKT_VLAN);
802 			}
803 			if (ure_txcsum(m, caps, &regtmp)) {
804 				device_printf(sc->sc_ue.ue_dev,
805 				    "pkt l4 off too large");
806 				goto pkterror;
807 			}
808 			txpkt.ure_csum |= htole32(regtmp);
809 
810 			DEVPRINTFN(13, sc->sc_ue.ue_dev,
811 			    "txpkt: mbflg: %#x, %#x, %#x\n",
812 			    m->m_pkthdr.csum_flags, le32toh(txpkt.ure_pktlen),
813 			    le32toh(txpkt.ure_csum));
814 
815 			usbd_copy_in(pc, pos, &txpkt, sizeof(txpkt));
816 
817 			pos += sizeof(txpkt);
818 			rem -= sizeof(txpkt);
819 
820 			usbd_m_copy_in(pc, pos, m, 0, len);
821 
822 			pos += roundup(len, URE_TXPKT_ALIGN);
823 			rem -= roundup(len, URE_TXPKT_ALIGN);
824 
825 			if_inc_counter(ifp, IFCOUNTER_OPACKETS, 1);
826 
827 			/*
828 			 * If there's a BPF listener, bounce a copy
829 			 * of this frame to him.
830 			 */
831 			BPF_MTAP(ifp, m);
832 
833 			m_freem(m);
834 		}
835 
836 		/* no packets to send */
837 		if (pos == 0)
838 			break;
839 
840 		/* Set frame length. */
841 		usbd_xfer_set_frame_len(xfer, 0, pos);
842 
843 		usbd_transfer_submit(xfer);
844 
845 		return;
846 
847 	default:			/* Error */
848 		DPRINTFN(11, "transfer error, %s\n",
849 		    usbd_errstr(error));
850 
851 		if_inc_counter(ifp, IFCOUNTER_OERRORS, 1);
852 		if_setdrvflagbits(ifp, 0, IFF_DRV_OACTIVE);
853 
854 		if (error == USB_ERR_TIMEOUT) {
855 			DEVPRINTFN(12, sc->sc_ue.ue_dev,
856 			    "pkt tx timeout\n");
857 		}
858 
859 		if (error != USB_ERR_CANCELLED) {
860 			/* try to clear stall first */
861 			usbd_xfer_set_stall(xfer);
862 			goto tr_setup;
863 		}
864 	}
865 }
866 
867 static void
868 ure_read_chipver(struct ure_softc *sc)
869 {
870 	uint16_t ver;
871 
872 	ver = ure_read_2(sc, URE_PLA_TCR1, URE_MCU_TYPE_PLA) & URE_VERSION_MASK;
873 	sc->sc_ver = ver;
874 	switch (ver) {
875 	case 0x4c00:
876 		sc->sc_chip |= URE_CHIP_VER_4C00;
877 		sc->sc_flags = URE_FLAG_8152;
878 		break;
879 	case 0x4c10:
880 		sc->sc_chip |= URE_CHIP_VER_4C10;
881 		sc->sc_flags = URE_FLAG_8152;
882 		break;
883 	case 0x5c00:
884 		sc->sc_chip |= URE_CHIP_VER_5C00;
885 		sc->sc_flags = URE_FLAG_8153;
886 		break;
887 	case 0x5c10:
888 		sc->sc_chip |= URE_CHIP_VER_5C10;
889 		sc->sc_flags = URE_FLAG_8153;
890 		break;
891 	case 0x5c20:
892 		sc->sc_chip |= URE_CHIP_VER_5C20;
893 		sc->sc_flags = URE_FLAG_8153;
894 		break;
895 	case 0x5c30:
896 		sc->sc_chip |= URE_CHIP_VER_5C30;
897 		sc->sc_flags = URE_FLAG_8153;
898 		break;
899 	case 0x6000:
900 		sc->sc_flags = URE_FLAG_8153B;
901 		sc->sc_chip |= URE_CHIP_VER_6000;
902 		break;
903 	case 0x6010:
904 		sc->sc_flags = URE_FLAG_8153B;
905 		sc->sc_chip |= URE_CHIP_VER_6010;
906 		break;
907 	case 0x7020:
908 		sc->sc_flags = URE_FLAG_8156;
909 		sc->sc_chip |= URE_CHIP_VER_7020;
910 		break;
911 	case 0x7030:
912 		sc->sc_flags = URE_FLAG_8156;
913 		sc->sc_chip |= URE_CHIP_VER_7030;
914 		break;
915 	case 0x7400:
916 		sc->sc_flags = URE_FLAG_8156B;
917 		sc->sc_chip |= URE_CHIP_VER_7400;
918 		break;
919 	case 0x7410:
920 		sc->sc_flags = URE_FLAG_8156B;
921 		sc->sc_chip |= URE_CHIP_VER_7410;
922 		break;
923 	default:
924 		device_printf(sc->sc_ue.ue_dev,
925 		    "unknown version 0x%04x\n", ver);
926 		break;
927 	}
928 }
929 
930 static int
931 ure_sysctl_chipver(SYSCTL_HANDLER_ARGS)
932 {
933 	struct sbuf sb;
934 	struct ure_softc *sc = arg1;
935 	int error;
936 
937 	sbuf_new_for_sysctl(&sb, NULL, 0, req);
938 
939 	sbuf_printf(&sb, "%04x", sc->sc_ver);
940 
941 	error = sbuf_finish(&sb);
942 	sbuf_delete(&sb);
943 
944 	return (error);
945 }
946 
947 static void
948 ure_attach_post(struct usb_ether *ue)
949 {
950 	struct ure_softc *sc = uether_getsc(ue);
951 
952 	sc->sc_rxstarted = 0;
953 	sc->sc_phyno = 0;
954 
955 	/* Determine the chip version. */
956 	ure_read_chipver(sc);
957 
958 	/* Initialize controller and get station address. */
959 	if (sc->sc_flags & URE_FLAG_8152)
960 		ure_rtl8152_init(sc);
961 	else if (sc->sc_flags & (URE_FLAG_8153B | URE_FLAG_8156 | URE_FLAG_8156B))
962 		ure_rtl8153b_init(sc);
963 	else
964 		ure_rtl8153_init(sc);
965 
966 	if ((sc->sc_chip & URE_CHIP_VER_4C00) ||
967 	    (sc->sc_chip & URE_CHIP_VER_4C10))
968 		ure_read_mem(sc, URE_PLA_IDR, URE_MCU_TYPE_PLA,
969 		    ue->ue_eaddr, 8);
970 	else
971 		ure_read_mem(sc, URE_PLA_BACKUP, URE_MCU_TYPE_PLA,
972 		    ue->ue_eaddr, 8);
973 
974 	if (ETHER_IS_ZERO(sc->sc_ue.ue_eaddr)) {
975 		device_printf(sc->sc_ue.ue_dev, "MAC assigned randomly\n");
976 		arc4rand(sc->sc_ue.ue_eaddr, ETHER_ADDR_LEN, 0);
977 		sc->sc_ue.ue_eaddr[0] &= ~0x01; /* unicast */
978 		sc->sc_ue.ue_eaddr[0] |= 0x02;  /* locally administered */
979 	}
980 }
981 
982 static int
983 ure_attach_post_sub(struct usb_ether *ue)
984 {
985 	struct sysctl_ctx_list *sctx;
986 	struct sysctl_oid *soid;
987 	struct ure_softc *sc;
988 	if_t ifp;
989 	int error;
990 
991 	sc = uether_getsc(ue);
992 	ifp = ue->ue_ifp;
993 	if_setflags(ifp, IFF_BROADCAST | IFF_SIMPLEX | IFF_MULTICAST);
994 	if_setstartfn(ifp, uether_start);
995 	if_setioctlfn(ifp, ure_ioctl);
996 	if_setinitfn(ifp, uether_init);
997 	/*
998 	 * Try to keep two transfers full at a time.
999 	 * ~(TRANSFER_SIZE / 80 bytes/pkt * 2 buffers in flight)
1000 	 */
1001 	if_setsendqlen(ifp, 512);
1002 	if_setsendqready(ifp);
1003 
1004 	if_setcapabilitiesbit(ifp, IFCAP_VLAN_MTU, 0);
1005 	if_setcapabilitiesbit(ifp, IFCAP_VLAN_HWTAGGING, 0);
1006 	if_setcapabilitiesbit(ifp, IFCAP_VLAN_HWCSUM|IFCAP_HWCSUM, 0);
1007 	if_sethwassist(ifp, CSUM_IP|CSUM_IP_UDP|CSUM_IP_TCP);
1008 #ifdef INET6
1009 	if_setcapabilitiesbit(ifp, IFCAP_HWCSUM_IPV6, 0);
1010 #endif
1011 	if_setcapenable(ifp, if_getcapabilities(ifp));
1012 
1013 	if (sc->sc_flags & (URE_FLAG_8156 | URE_FLAG_8156B)) {
1014 		ifmedia_init(&sc->sc_ifmedia, IFM_IMASK, ure_ifmedia_upd,
1015 		    ure_ifmedia_sts);
1016 		ure_add_media_types(sc);
1017 		ifmedia_add(&sc->sc_ifmedia, IFM_ETHER | IFM_AUTO, 0, NULL);
1018 		ifmedia_set(&sc->sc_ifmedia, IFM_ETHER | IFM_AUTO);
1019 		sc->sc_ifmedia.ifm_media = IFM_ETHER | IFM_AUTO;
1020 		error = 0;
1021 	} else {
1022 		bus_topo_lock();
1023 		error = mii_attach(ue->ue_dev, &ue->ue_miibus, ifp,
1024 		    uether_ifmedia_upd, ue->ue_methods->ue_mii_sts,
1025 		    BMSR_DEFCAPMASK, sc->sc_phyno, MII_OFFSET_ANY, 0);
1026 		bus_topo_unlock();
1027 	}
1028 
1029 	sctx = device_get_sysctl_ctx(sc->sc_ue.ue_dev);
1030 	soid = device_get_sysctl_tree(sc->sc_ue.ue_dev);
1031 	SYSCTL_ADD_PROC(sctx, SYSCTL_CHILDREN(soid), OID_AUTO, "chipver",
1032 	    CTLTYPE_STRING | CTLFLAG_RD | CTLFLAG_MPSAFE, sc, 0,
1033 	    ure_sysctl_chipver, "A",
1034 	    "Return string with chip version.");
1035 
1036 	return (error);
1037 }
1038 
1039 static void
1040 ure_init(struct usb_ether *ue)
1041 {
1042 	struct ure_softc *sc = uether_getsc(ue);
1043 	if_t ifp = uether_getifp(ue);
1044 	uint16_t cpcr;
1045 	uint32_t reg;
1046 
1047 	URE_LOCK_ASSERT(sc, MA_OWNED);
1048 
1049 	if ((if_getdrvflags(ifp) & IFF_DRV_RUNNING) != 0)
1050 		return;
1051 
1052 	/* Cancel pending I/O. */
1053 	ure_stop(ue);
1054 
1055 	if (sc->sc_flags & (URE_FLAG_8153B | URE_FLAG_8156 | URE_FLAG_8156B))
1056 		ure_rtl8153b_nic_reset(sc);
1057 	else
1058 		ure_reset(sc);
1059 
1060 	/* Set MAC address. */
1061 	ure_write_1(sc, URE_PLA_CRWECR, URE_MCU_TYPE_PLA, URE_CRWECR_CONFIG);
1062 	ure_write_mem(sc, URE_PLA_IDR, URE_MCU_TYPE_PLA | URE_BYTE_EN_SIX_BYTES,
1063 	    if_getlladdr(ifp), 8);
1064 	ure_write_1(sc, URE_PLA_CRWECR, URE_MCU_TYPE_PLA, URE_CRWECR_NORAML);
1065 
1066 	/* Set RX EARLY timeout and size */
1067 	if (sc->sc_flags & URE_FLAG_8153) {
1068 		switch (usbd_get_speed(sc->sc_ue.ue_udev)) {
1069 		case USB_SPEED_SUPER:
1070 			reg = URE_COALESCE_SUPER / 8;
1071 			break;
1072 		case USB_SPEED_HIGH:
1073 			reg = URE_COALESCE_HIGH / 8;
1074 			break;
1075 		default:
1076 			reg = URE_COALESCE_SLOW / 8;
1077 			break;
1078 		}
1079 		ure_write_2(sc, URE_USB_RX_EARLY_AGG, URE_MCU_TYPE_USB, reg);
1080 		reg = URE_8153_RX_BUFSZ - (URE_FRAMELEN(if_getmtu(ifp)) +
1081 		    sizeof(struct ure_rxpkt) + URE_RXPKT_ALIGN);
1082 		ure_write_2(sc, URE_USB_RX_EARLY_SIZE, URE_MCU_TYPE_USB, reg / 4);
1083 	} else if (sc->sc_flags & URE_FLAG_8153B) {
1084 		ure_write_2(sc, URE_USB_RX_EARLY_AGG, URE_MCU_TYPE_USB, 158);
1085 		ure_write_2(sc, URE_USB_RX_EXTRA_AGG_TMR, URE_MCU_TYPE_USB, 1875);
1086 		reg = URE_8153_RX_BUFSZ - (URE_FRAMELEN(if_getmtu(ifp)) +
1087 		    sizeof(struct ure_rxpkt) + URE_RXPKT_ALIGN);
1088 		ure_write_2(sc, URE_USB_RX_EARLY_SIZE, URE_MCU_TYPE_USB, reg / 8);
1089 		ure_write_1(sc, URE_USB_UPT_RXDMA_OWN, URE_MCU_TYPE_USB,
1090 		    URE_OWN_UPDATE | URE_OWN_CLEAR);
1091 	} else if (sc->sc_flags & (URE_FLAG_8156 | URE_FLAG_8156B)) {
1092 		ure_write_2(sc, URE_USB_RX_EARLY_AGG, URE_MCU_TYPE_USB, 80);
1093 		ure_write_2(sc, URE_USB_RX_EXTRA_AGG_TMR, URE_MCU_TYPE_USB, 1875);
1094 		reg = URE_8156_RX_BUFSZ - (URE_FRAMELEN(if_getmtu(ifp)) +
1095 		    sizeof(struct ure_rxpkt) + URE_RXPKT_ALIGN);
1096 		ure_write_2(sc, URE_USB_RX_EARLY_SIZE, URE_MCU_TYPE_USB, reg / 8);
1097 		ure_write_1(sc, URE_USB_UPT_RXDMA_OWN, URE_MCU_TYPE_USB,
1098 		    URE_OWN_UPDATE | URE_OWN_CLEAR);
1099 	}
1100 
1101 	if (sc->sc_flags & URE_FLAG_8156B) {
1102 		URE_CLRBIT_2(sc, URE_USB_FW_TASK, URE_MCU_TYPE_USB, URE_FC_PATCH_TASK);
1103 		uether_pause(&sc->sc_ue, hz / 500);
1104 		URE_SETBIT_2(sc, URE_USB_FW_TASK, URE_MCU_TYPE_USB, URE_FC_PATCH_TASK);
1105 	}
1106 
1107 	/* Reset the packet filter. */
1108 	URE_CLRBIT_2(sc, URE_PLA_FMC, URE_MCU_TYPE_PLA, URE_FMC_FCR_MCU_EN);
1109 	URE_SETBIT_2(sc, URE_PLA_FMC, URE_MCU_TYPE_PLA, URE_FMC_FCR_MCU_EN);
1110 
1111 	/* Enable RX VLANs if enabled */
1112 	cpcr = ure_read_2(sc, URE_PLA_CPCR, URE_MCU_TYPE_PLA);
1113 	if (if_getcapenable(ifp) & IFCAP_VLAN_HWTAGGING) {
1114 		DEVPRINTFN(12, sc->sc_ue.ue_dev, "enabled hw vlan tag\n");
1115 		cpcr |= URE_CPCR_RX_VLAN;
1116 	} else {
1117 		DEVPRINTFN(12, sc->sc_ue.ue_dev, "disabled hw vlan tag\n");
1118 		cpcr &= ~URE_CPCR_RX_VLAN;
1119 	}
1120 	ure_write_2(sc, URE_PLA_CPCR, URE_MCU_TYPE_PLA, cpcr);
1121 
1122 	/* Enable transmit and receive. */
1123 	URE_SETBIT_1(sc, URE_PLA_CR, URE_MCU_TYPE_PLA, URE_CR_RE | URE_CR_TE);
1124 
1125 	URE_CLRBIT_2(sc, URE_PLA_MISC_1, URE_MCU_TYPE_PLA, URE_RXDY_GATED_EN);
1126 
1127 	/*  Configure RX filters. */
1128 	ure_rxfilter(ue);
1129 
1130 	usbd_xfer_set_stall(sc->sc_tx_xfer[0]);
1131 
1132 	/* Indicate we are up and running. */
1133 	if_setdrvflagbits(ifp, IFF_DRV_RUNNING, 0);
1134 
1135 	/* Switch to selected media. */
1136 	ure_ifmedia_upd(ifp);
1137 }
1138 
1139 static void
1140 ure_tick(struct usb_ether *ue)
1141 {
1142 	struct ure_softc *sc = uether_getsc(ue);
1143 	if_t ifp = uether_getifp(ue);
1144 	struct mii_data *mii;
1145 
1146 	URE_LOCK_ASSERT(sc, MA_OWNED);
1147 
1148 	(void)ifp;
1149 	for (int i = 0; i < URE_MAX_RX; i++)
1150 		DEVPRINTFN(13, sc->sc_ue.ue_dev,
1151 		    "rx[%d] = %d\n", i, USB_GET_STATE(sc->sc_rx_xfer[i]));
1152 
1153 	for (int i = 0; i < URE_MAX_TX; i++)
1154 		DEVPRINTFN(13, sc->sc_ue.ue_dev,
1155 		    "tx[%d] = %d\n", i, USB_GET_STATE(sc->sc_tx_xfer[i]));
1156 
1157 	if (sc->sc_flags & (URE_FLAG_8156 | URE_FLAG_8156B)) {
1158 		ure_link_state(sc);
1159 	} else {
1160 		mii = GET_MII(sc);
1161 		mii_tick(mii);
1162 		if ((sc->sc_flags & URE_FLAG_LINK) == 0
1163 			&& mii->mii_media_status & IFM_ACTIVE &&
1164 			IFM_SUBTYPE(mii->mii_media_active) != IFM_NONE) {
1165 			sc->sc_flags |= URE_FLAG_LINK;
1166 			sc->sc_rxstarted = 0;
1167 			ure_start(ue);
1168 		}
1169 	}
1170 }
1171 
1172 static u_int
1173 ure_hash_maddr(void *arg, struct sockaddr_dl *sdl, u_int cnt)
1174 {
1175 	uint32_t h, *hashes = arg;
1176 
1177 	h = ether_crc32_be(LLADDR(sdl), ETHER_ADDR_LEN) >> 26;
1178 	if (h < 32)
1179 		hashes[0] |= (1 << h);
1180 	else
1181 		hashes[1] |= (1 << (h - 32));
1182 	return (1);
1183 }
1184 
1185 /*
1186  * Program the 64-bit multicast hash filter.
1187  */
1188 static void
1189 ure_rxfilter(struct usb_ether *ue)
1190 {
1191 	struct ure_softc *sc = uether_getsc(ue);
1192 	if_t ifp = uether_getifp(ue);
1193 	uint32_t rxmode;
1194 	uint32_t h, hashes[2] = { 0, 0 };
1195 
1196 	URE_LOCK_ASSERT(sc, MA_OWNED);
1197 
1198 	rxmode = ure_read_4(sc, URE_PLA_RCR, URE_MCU_TYPE_PLA);
1199 	rxmode &= ~(URE_RCR_AAP | URE_RCR_AM);
1200 	rxmode |= URE_RCR_APM;	/* accept physical match packets */
1201 	rxmode |= URE_RCR_AB;	/* always accept broadcasts */
1202 	if (if_getflags(ifp) & (IFF_ALLMULTI | IFF_PROMISC)) {
1203 		if (if_getflags(ifp) & IFF_PROMISC)
1204 			rxmode |= URE_RCR_AAP;
1205 		rxmode |= URE_RCR_AM;
1206 		hashes[0] = hashes[1] = 0xffffffff;
1207 		goto done;
1208 	}
1209 
1210 	/* calculate multicast masks */
1211 	if_foreach_llmaddr(ifp, ure_hash_maddr, &hashes);
1212 
1213 	h = bswap32(hashes[0]);
1214 	hashes[0] = bswap32(hashes[1]);
1215 	hashes[1] = h;
1216 	rxmode |= URE_RCR_AM;	/* accept multicast packets */
1217 
1218 done:
1219 	DEVPRINTFN(14, ue->ue_dev, "rxfilt: RCR: %#x\n",
1220 	    ure_read_4(sc, URE_PLA_RCR, URE_MCU_TYPE_PLA));
1221 	ure_write_4(sc, URE_PLA_MAR0, URE_MCU_TYPE_PLA, hashes[0]);
1222 	ure_write_4(sc, URE_PLA_MAR4, URE_MCU_TYPE_PLA, hashes[1]);
1223 	ure_write_4(sc, URE_PLA_RCR, URE_MCU_TYPE_PLA, rxmode);
1224 }
1225 
1226 static void
1227 ure_start(struct usb_ether *ue)
1228 {
1229 	struct ure_softc *sc = uether_getsc(ue);
1230 	unsigned i;
1231 
1232 	URE_LOCK_ASSERT(sc, MA_OWNED);
1233 
1234 	if (!sc->sc_rxstarted) {
1235 		sc->sc_rxstarted = 1;
1236 		for (i = 0; i != URE_MAX_RX; i++)
1237 			usbd_transfer_start(sc->sc_rx_xfer[i]);
1238 	}
1239 
1240 	for (i = 0; i != URE_MAX_TX; i++)
1241 		usbd_transfer_start(sc->sc_tx_xfer[i]);
1242 }
1243 
1244 static void
1245 ure_reset(struct ure_softc *sc)
1246 {
1247 	int i;
1248 
1249 	ure_write_1(sc, URE_PLA_CR, URE_MCU_TYPE_PLA, URE_CR_RST);
1250 
1251 	for (i = 0; i < URE_TIMEOUT; i++) {
1252 		if (!(ure_read_1(sc, URE_PLA_CR, URE_MCU_TYPE_PLA) &
1253 		    URE_CR_RST))
1254 			break;
1255 		uether_pause(&sc->sc_ue, hz / 100);
1256 	}
1257 	if (i == URE_TIMEOUT)
1258 		device_printf(sc->sc_ue.ue_dev, "reset never completed\n");
1259 }
1260 
1261 /*
1262  * Set media options.
1263  */
1264 static int
1265 ure_ifmedia_upd(if_t ifp)
1266 {
1267 	struct ure_softc *sc = if_getsoftc(ifp);
1268 	struct ifmedia *ifm;
1269 	struct mii_data *mii;
1270 	struct mii_softc *miisc;
1271 	int gig;
1272 	int reg;
1273 	int anar;
1274 	int locked;
1275 	int error;
1276 
1277 	if (sc->sc_flags & (URE_FLAG_8156 | URE_FLAG_8156B)) {
1278 		ifm = &sc->sc_ifmedia;
1279 		if (IFM_TYPE(ifm->ifm_media) != IFM_ETHER)
1280 			return (EINVAL);
1281 
1282 		locked = mtx_owned(&sc->sc_mtx);
1283 		if (!locked)
1284 			URE_LOCK(sc);
1285 		reg = ure_ocp_reg_read(sc, 0xa5d4);
1286 		reg &= ~URE_ADV_2500TFDX;
1287 
1288 		anar = gig = 0;
1289 		switch (IFM_SUBTYPE(ifm->ifm_media)) {
1290 		case IFM_AUTO:
1291 			anar |= ANAR_TX_FD | ANAR_TX | ANAR_10_FD | ANAR_10;
1292 			gig |= GTCR_ADV_1000TFDX | GTCR_ADV_1000THDX;
1293 			reg |= URE_ADV_2500TFDX;
1294 			break;
1295 		case IFM_2500_T:
1296 			anar |= ANAR_TX_FD | ANAR_TX | ANAR_10_FD | ANAR_10;
1297 			gig |= GTCR_ADV_1000TFDX | GTCR_ADV_1000THDX;
1298 			reg |= URE_ADV_2500TFDX;
1299 			if_setbaudrate(ifp, IF_Mbps(2500));
1300 			break;
1301 		case IFM_1000_T:
1302 			anar |= ANAR_TX_FD | ANAR_TX | ANAR_10_FD | ANAR_10;
1303 			gig |= GTCR_ADV_1000TFDX | GTCR_ADV_1000THDX;
1304 			if_setbaudrate(ifp, IF_Gbps(1));
1305 			break;
1306 		case IFM_100_TX:
1307 			anar |= ANAR_TX | ANAR_TX_FD;
1308 			if_setbaudrate(ifp, IF_Mbps(100));
1309 			break;
1310 		case IFM_10_T:
1311 			anar |= ANAR_10 | ANAR_10_FD;
1312 			if_setbaudrate(ifp, IF_Mbps(10));
1313 			break;
1314 		default:
1315 			device_printf(sc->sc_ue.ue_dev, "unsupported media type\n");
1316 			if (!locked)
1317 				URE_UNLOCK(sc);
1318 			return (EINVAL);
1319 		}
1320 
1321 		ure_ocp_reg_write(sc, URE_OCP_BASE_MII + MII_ANAR * 2,
1322 		    anar | ANAR_PAUSE_ASYM | ANAR_FC);
1323 		ure_ocp_reg_write(sc, URE_OCP_BASE_MII + MII_100T2CR * 2, gig);
1324 		ure_ocp_reg_write(sc, 0xa5d4, reg);
1325 		ure_ocp_reg_write(sc, URE_OCP_BASE_MII + MII_BMCR,
1326 		    BMCR_AUTOEN | BMCR_STARTNEG);
1327 		if (!locked)
1328 			URE_UNLOCK(sc);
1329 		return (0);
1330 	}
1331 
1332 	mii = GET_MII(sc);
1333 
1334 	URE_LOCK_ASSERT(sc, MA_OWNED);
1335 	LIST_FOREACH(miisc, &mii->mii_phys, mii_list)
1336 		PHY_RESET(miisc);
1337 	error = mii_mediachg(mii);
1338 	return (error);
1339 }
1340 
1341 /*
1342  * Report current media status.
1343  */
1344 static void
1345 ure_ifmedia_sts(if_t ifp, struct ifmediareq *ifmr)
1346 {
1347 	struct ure_softc *sc;
1348 	struct mii_data *mii;
1349 	uint16_t status;
1350 
1351 	sc = if_getsoftc(ifp);
1352 	if (sc->sc_flags & (URE_FLAG_8156 | URE_FLAG_8156B)) {
1353 		URE_LOCK(sc);
1354 		ifmr->ifm_status = IFM_AVALID;
1355 		if (ure_get_link_status(sc)) {
1356 			ifmr->ifm_status |= IFM_ACTIVE;
1357 			status = ure_read_2(sc, URE_PLA_PHYSTATUS,
1358 			    URE_MCU_TYPE_PLA);
1359 			if ((status & URE_PHYSTATUS_FDX) ||
1360 			    (status & URE_PHYSTATUS_2500MBPS))
1361 				ifmr->ifm_active |= IFM_FDX;
1362 			else
1363 				ifmr->ifm_active |= IFM_HDX;
1364 			if (status & URE_PHYSTATUS_10MBPS)
1365 				ifmr->ifm_active |= IFM_10_T;
1366 			else if (status & URE_PHYSTATUS_100MBPS)
1367 				ifmr->ifm_active |= IFM_100_TX;
1368 			else if (status & URE_PHYSTATUS_1000MBPS)
1369 				ifmr->ifm_active |= IFM_1000_T;
1370 			else if (status & URE_PHYSTATUS_2500MBPS)
1371 				ifmr->ifm_active |= IFM_2500_T;
1372 		}
1373 		URE_UNLOCK(sc);
1374 		return;
1375 	}
1376 
1377 	mii = GET_MII(sc);
1378 
1379 	URE_LOCK(sc);
1380 	mii_pollstat(mii);
1381 	ifmr->ifm_active = mii->mii_media_active;
1382 	ifmr->ifm_status = mii->mii_media_status;
1383 	URE_UNLOCK(sc);
1384 }
1385 
1386 static void
1387 ure_add_media_types(struct ure_softc *sc)
1388 {
1389 	ifmedia_add(&sc->sc_ifmedia, IFM_ETHER | IFM_10_T, 0, NULL);
1390 	ifmedia_add(&sc->sc_ifmedia, IFM_ETHER | IFM_10_T | IFM_FDX, 0, NULL);
1391 	ifmedia_add(&sc->sc_ifmedia, IFM_ETHER | IFM_100_TX, 0, NULL);
1392 	ifmedia_add(&sc->sc_ifmedia, IFM_ETHER | IFM_100_TX | IFM_FDX, 0, NULL);
1393 	ifmedia_add(&sc->sc_ifmedia, IFM_ETHER | IFM_1000_T | IFM_FDX, 0, NULL);
1394 	ifmedia_add(&sc->sc_ifmedia, IFM_ETHER | IFM_2500_T | IFM_FDX, 0, NULL);
1395 }
1396 
1397 static void
1398 ure_link_state(struct ure_softc *sc)
1399 {
1400 	if_t ifp = uether_getifp(&sc->sc_ue);
1401 
1402 	if (ure_get_link_status(sc)) {
1403 		if (if_getlinkstate(ifp) != LINK_STATE_UP) {
1404 			if_link_state_change(ifp, LINK_STATE_UP);
1405 			/* Enable transmit and receive. */
1406 			URE_SETBIT_1(sc, URE_PLA_CR, URE_MCU_TYPE_PLA, URE_CR_RE | URE_CR_TE);
1407 
1408 			if (ure_read_2(sc, URE_PLA_PHYSTATUS, URE_MCU_TYPE_PLA) &
1409 			    URE_PHYSTATUS_2500MBPS)
1410 				URE_CLRBIT_2(sc, URE_PLA_MAC_PWR_CTRL4, URE_MCU_TYPE_PLA, 0x40);
1411 			else
1412 				URE_SETBIT_2(sc, URE_PLA_MAC_PWR_CTRL4, URE_MCU_TYPE_PLA, 0x40);
1413 		}
1414 	} else {
1415 		if (if_getlinkstate(ifp) != LINK_STATE_DOWN) {
1416 			if_link_state_change(ifp, LINK_STATE_DOWN);
1417 		}
1418 	}
1419 }
1420 
1421 static int
1422 ure_get_link_status(struct ure_softc *sc)
1423 {
1424 	if (ure_read_2(sc, URE_PLA_PHYSTATUS, URE_MCU_TYPE_PLA) &
1425 	    URE_PHYSTATUS_LINK) {
1426 		sc->sc_flags |= URE_FLAG_LINK;
1427 		return (1);
1428 	} else {
1429 		sc->sc_flags &= ~URE_FLAG_LINK;
1430 		return (0);
1431 	}
1432 }
1433 
1434 static int
1435 ure_ioctl(if_t ifp, u_long cmd, caddr_t data)
1436 {
1437 	struct usb_ether *ue = if_getsoftc(ifp);
1438 	struct ure_softc *sc;
1439 	struct ifreq *ifr;
1440 	int error, mask, reinit;
1441 
1442 	sc = uether_getsc(ue);
1443 	ifr = (struct ifreq *)data;
1444 	error = 0;
1445 	reinit = 0;
1446 	switch (cmd) {
1447 	case SIOCSIFCAP:
1448 		URE_LOCK(sc);
1449 		mask = ifr->ifr_reqcap ^ if_getcapenable(ifp);
1450 		if ((mask & IFCAP_VLAN_HWTAGGING) != 0 &&
1451 		    (if_getcapabilities(ifp) & IFCAP_VLAN_HWTAGGING) != 0) {
1452 			if_togglecapenable(ifp, IFCAP_VLAN_HWTAGGING);
1453 			reinit++;
1454 		}
1455 		if ((mask & IFCAP_TXCSUM) != 0 &&
1456 		    (if_getcapabilities(ifp) & IFCAP_TXCSUM) != 0) {
1457 			if_togglecapenable(ifp, IFCAP_TXCSUM);
1458 		}
1459 		if ((mask & IFCAP_RXCSUM) != 0 &&
1460 		    (if_getcapabilities(ifp) & IFCAP_RXCSUM) != 0) {
1461 			if_togglecapenable(ifp, IFCAP_RXCSUM);
1462 		}
1463 		if ((mask & IFCAP_TXCSUM_IPV6) != 0 &&
1464 		    (if_getcapabilities(ifp) & IFCAP_TXCSUM_IPV6) != 0) {
1465 			if_togglecapenable(ifp, IFCAP_TXCSUM_IPV6);
1466 		}
1467 		if ((mask & IFCAP_RXCSUM_IPV6) != 0 &&
1468 		    (if_getcapabilities(ifp) & IFCAP_RXCSUM_IPV6) != 0) {
1469 			if_togglecapenable(ifp, IFCAP_RXCSUM_IPV6);
1470 		}
1471 		if (reinit > 0 && if_getdrvflags(ifp) & IFF_DRV_RUNNING)
1472 			if_setdrvflagbits(ifp, 0, IFF_DRV_RUNNING);
1473 		else
1474 			reinit = 0;
1475 		URE_UNLOCK(sc);
1476 		if (reinit > 0)
1477 			uether_init(ue);
1478 		break;
1479 
1480 	case SIOCSIFMTU:
1481 		/*
1482 		 * in testing large MTUs "crashes" the device, it
1483 		 * leaves the device w/ a broken state where link
1484 		 * is in a bad state.
1485 		 */
1486 		if (ifr->ifr_mtu < ETHERMIN ||
1487 		    ifr->ifr_mtu > (4096 - ETHER_HDR_LEN -
1488 		    ETHER_VLAN_ENCAP_LEN - ETHER_CRC_LEN)) {
1489 			error = EINVAL;
1490 			break;
1491 		}
1492 		URE_LOCK(sc);
1493 		if (if_getmtu(ifp) != ifr->ifr_mtu)
1494 			if_setmtu(ifp, ifr->ifr_mtu);
1495 		URE_UNLOCK(sc);
1496 		break;
1497 
1498 	case SIOCGIFMEDIA:
1499 	case SIOCSIFMEDIA:
1500 		if (sc->sc_flags & (URE_FLAG_8156 | URE_FLAG_8156B))
1501 			error = ifmedia_ioctl(ifp, ifr, &sc->sc_ifmedia, cmd);
1502 		else
1503 			error = uether_ioctl(ifp, cmd, data);
1504 		break;
1505 
1506 	default:
1507 		error = uether_ioctl(ifp, cmd, data);
1508 		break;
1509 	}
1510 
1511 	return (error);
1512 }
1513 
1514 static void
1515 ure_rtl8152_init(struct ure_softc *sc)
1516 {
1517 	uint32_t pwrctrl;
1518 
1519 	ure_enable_aldps(sc, false);
1520 
1521 	if (sc->sc_chip & URE_CHIP_VER_4C00) {
1522 		URE_CLRBIT_2(sc, URE_PLA_LED_FEATURE, URE_MCU_TYPE_PLA, URE_LED_MODE_MASK);
1523 	}
1524 
1525 	URE_CLRBIT_2(sc, URE_USB_UPS_CTRL, URE_MCU_TYPE_USB, URE_POWER_CUT);
1526 
1527 	URE_CLRBIT_2(sc, URE_USB_PM_CTRL_STATUS, URE_MCU_TYPE_USB, URE_RESUME_INDICATE);
1528 
1529 	URE_SETBIT_2(sc, URE_PLA_PHY_PWR, URE_MCU_TYPE_PLA, URE_TX_10M_IDLE_EN | URE_PFM_PWM_SWITCH);
1530 
1531 	pwrctrl = ure_read_4(sc, URE_PLA_MAC_PWR_CTRL, URE_MCU_TYPE_PLA);
1532 	pwrctrl &= ~URE_MCU_CLK_RATIO_MASK;
1533 	pwrctrl |= URE_MCU_CLK_RATIO | URE_D3_CLK_GATED_EN;
1534 	ure_write_4(sc, URE_PLA_MAC_PWR_CTRL, URE_MCU_TYPE_PLA, pwrctrl);
1535 	ure_write_2(sc, URE_PLA_GPHY_INTR_IMR, URE_MCU_TYPE_PLA,
1536 	    URE_GPHY_STS_MSK | URE_SPEED_DOWN_MSK | URE_SPDWN_RXDV_MSK |
1537 	    URE_SPDWN_LINKCHG_MSK);
1538 
1539 	/* Enable Rx aggregation. */
1540 	URE_CLRBIT_2(sc, URE_USB_USB_CTRL, URE_MCU_TYPE_USB, URE_RX_AGG_DISABLE | URE_RX_ZERO_EN);
1541 
1542 	ure_enable_aldps(sc, false);
1543 
1544 	ure_rtl8152_nic_reset(sc);
1545 
1546 	ure_write_1(sc, URE_USB_TX_AGG, URE_MCU_TYPE_USB,
1547 	    URE_TX_AGG_MAX_THRESHOLD);
1548 	ure_write_4(sc, URE_USB_RX_BUF_TH, URE_MCU_TYPE_USB, URE_RX_THR_HIGH);
1549 	ure_write_4(sc, URE_USB_TX_DMA, URE_MCU_TYPE_USB,
1550 	    URE_TEST_MODE_DISABLE | URE_TX_SIZE_ADJUST1);
1551 }
1552 
1553 static void
1554 ure_rtl8153_init(struct ure_softc *sc)
1555 {
1556 	uint16_t val;
1557 	uint8_t u1u2[8];
1558 	int i;
1559 
1560 	ure_enable_aldps(sc, false);
1561 
1562 	memset(u1u2, 0x00, sizeof(u1u2));
1563 	ure_write_mem(sc, URE_USB_TOLERANCE,
1564 	    URE_MCU_TYPE_USB | URE_BYTE_EN_SIX_BYTES, u1u2, sizeof(u1u2));
1565 
1566 	for (i = 0; i < URE_TIMEOUT; i++) {
1567 		if (ure_read_2(sc, URE_PLA_BOOT_CTRL, URE_MCU_TYPE_PLA) &
1568 		    URE_AUTOLOAD_DONE)
1569 			break;
1570 		uether_pause(&sc->sc_ue, hz / 100);
1571 	}
1572 	if (i == URE_TIMEOUT)
1573 		device_printf(sc->sc_ue.ue_dev,
1574 		    "timeout waiting for chip autoload\n");
1575 
1576 	for (i = 0; i < URE_TIMEOUT; i++) {
1577 		val = ure_ocp_reg_read(sc, URE_OCP_PHY_STATUS) &
1578 		    URE_PHY_STAT_MASK;
1579 		if (val == URE_PHY_STAT_LAN_ON || val == URE_PHY_STAT_PWRDN)
1580 			break;
1581 		uether_pause(&sc->sc_ue, hz / 100);
1582 	}
1583 	if (i == URE_TIMEOUT)
1584 		device_printf(sc->sc_ue.ue_dev,
1585 		    "timeout waiting for phy to stabilize\n");
1586 
1587 	URE_CLRBIT_2(sc, URE_USB_U2P3_CTRL, URE_MCU_TYPE_USB, URE_U2P3_ENABLE);
1588 
1589 	if (sc->sc_chip & URE_CHIP_VER_5C10) {
1590 		val = ure_read_2(sc, URE_USB_SSPHYLINK2, URE_MCU_TYPE_USB);
1591 		val &= ~URE_PWD_DN_SCALE_MASK;
1592 		val |= URE_PWD_DN_SCALE(96);
1593 		ure_write_2(sc, URE_USB_SSPHYLINK2, URE_MCU_TYPE_USB, val);
1594 
1595 		URE_SETBIT_1(sc, URE_USB_USB2PHY, URE_MCU_TYPE_USB, URE_USB2PHY_L1 | URE_USB2PHY_SUSPEND);
1596 	} else if (sc->sc_chip & URE_CHIP_VER_5C20)
1597 		URE_CLRBIT_1(sc, URE_PLA_DMY_REG0, URE_MCU_TYPE_PLA, URE_ECM_ALDPS);
1598 
1599 	if (sc->sc_chip & (URE_CHIP_VER_5C20 | URE_CHIP_VER_5C30)) {
1600 		val = ure_read_1(sc, URE_USB_CSR_DUMMY1, URE_MCU_TYPE_USB);
1601 		if (ure_read_2(sc, URE_USB_BURST_SIZE, URE_MCU_TYPE_USB) ==
1602 		    0)
1603 			val &= ~URE_DYNAMIC_BURST;
1604 		else
1605 			val |= URE_DYNAMIC_BURST;
1606 		ure_write_1(sc, URE_USB_CSR_DUMMY1, URE_MCU_TYPE_USB, val);
1607 	}
1608 
1609 	URE_SETBIT_1(sc, URE_USB_CSR_DUMMY2, URE_MCU_TYPE_USB, URE_EP4_FULL_FC);
1610 
1611 	URE_CLRBIT_2(sc, URE_USB_WDT11_CTRL, URE_MCU_TYPE_USB, URE_TIMER11_EN);
1612 
1613 	URE_CLRBIT_2(sc, URE_PLA_LED_FEATURE, URE_MCU_TYPE_PLA, URE_LED_MODE_MASK);
1614 
1615 	if ((sc->sc_chip & URE_CHIP_VER_5C10) &&
1616 	    usbd_get_speed(sc->sc_ue.ue_udev) != USB_SPEED_SUPER)
1617 		val = URE_LPM_TIMER_500MS;
1618 	else
1619 		val = URE_LPM_TIMER_500US;
1620 	ure_write_1(sc, URE_USB_LPM_CTRL, URE_MCU_TYPE_USB,
1621 	    val | URE_FIFO_EMPTY_1FB | URE_ROK_EXIT_LPM);
1622 
1623 	val = ure_read_2(sc, URE_USB_AFE_CTRL2, URE_MCU_TYPE_USB);
1624 	val &= ~URE_SEN_VAL_MASK;
1625 	val |= URE_SEN_VAL_NORMAL | URE_SEL_RXIDLE;
1626 	ure_write_2(sc, URE_USB_AFE_CTRL2, URE_MCU_TYPE_USB, val);
1627 
1628 	ure_write_2(sc, URE_USB_CONNECT_TIMER, URE_MCU_TYPE_USB, 0x0001);
1629 
1630 	URE_CLRBIT_2(sc, URE_USB_POWER_CUT, URE_MCU_TYPE_USB, URE_PWR_EN | URE_PHASE2_EN);
1631 
1632 	URE_CLRBIT_2(sc, URE_USB_MISC_0, URE_MCU_TYPE_USB, URE_PCUT_STATUS);
1633 
1634 	memset(u1u2, 0xff, sizeof(u1u2));
1635 	ure_write_mem(sc, URE_USB_TOLERANCE,
1636 	    URE_MCU_TYPE_USB | URE_BYTE_EN_SIX_BYTES, u1u2, sizeof(u1u2));
1637 
1638 	ure_write_2(sc, URE_PLA_MAC_PWR_CTRL, URE_MCU_TYPE_PLA,
1639 	    URE_ALDPS_SPDWN_RATIO);
1640 	ure_write_2(sc, URE_PLA_MAC_PWR_CTRL2, URE_MCU_TYPE_PLA,
1641 	    URE_EEE_SPDWN_RATIO);
1642 	ure_write_2(sc, URE_PLA_MAC_PWR_CTRL3, URE_MCU_TYPE_PLA,
1643 	    URE_PKT_AVAIL_SPDWN_EN | URE_SUSPEND_SPDWN_EN |
1644 	    URE_U1U2_SPDWN_EN | URE_L1_SPDWN_EN);
1645 	ure_write_2(sc, URE_PLA_MAC_PWR_CTRL4, URE_MCU_TYPE_PLA,
1646 	    URE_PWRSAVE_SPDWN_EN | URE_RXDV_SPDWN_EN | URE_TX10MIDLE_EN |
1647 	    URE_TP100_SPDWN_EN | URE_TP500_SPDWN_EN | URE_TP1000_SPDWN_EN |
1648 	    URE_EEE_SPDWN_EN);
1649 
1650 	val = ure_read_2(sc, URE_USB_U2P3_CTRL, URE_MCU_TYPE_USB);
1651 	if (!(sc->sc_chip & (URE_CHIP_VER_5C00 | URE_CHIP_VER_5C10)))
1652 		val |= URE_U2P3_ENABLE;
1653 	else
1654 		val &= ~URE_U2P3_ENABLE;
1655 	ure_write_2(sc, URE_USB_U2P3_CTRL, URE_MCU_TYPE_USB, val);
1656 
1657 	memset(u1u2, 0x00, sizeof(u1u2));
1658 	ure_write_mem(sc, URE_USB_TOLERANCE,
1659 	    URE_MCU_TYPE_USB | URE_BYTE_EN_SIX_BYTES, u1u2, sizeof(u1u2));
1660 
1661 	ure_enable_aldps(sc, false);
1662 
1663 	if (sc->sc_chip & (URE_CHIP_VER_5C00 | URE_CHIP_VER_5C10 |
1664 	    URE_CHIP_VER_5C20)) {
1665 		ure_ocp_reg_write(sc, URE_OCP_ADC_CFG,
1666 		    URE_CKADSEL_L | URE_ADC_EN | URE_EN_EMI_L);
1667 	}
1668 	if (sc->sc_chip & URE_CHIP_VER_5C00) {
1669 		ure_ocp_reg_write(sc, URE_OCP_EEE_CFG,
1670 		    ure_ocp_reg_read(sc, URE_OCP_EEE_CFG) &
1671 		    ~URE_CTAP_SHORT_EN);
1672 	}
1673 	ure_ocp_reg_write(sc, URE_OCP_POWER_CFG,
1674 	    ure_ocp_reg_read(sc, URE_OCP_POWER_CFG) |
1675 	    URE_EEE_CLKDIV_EN);
1676 	ure_ocp_reg_write(sc, URE_OCP_DOWN_SPEED,
1677 	    ure_ocp_reg_read(sc, URE_OCP_DOWN_SPEED) |
1678 	    URE_EN_10M_BGOFF);
1679 	ure_ocp_reg_write(sc, URE_OCP_POWER_CFG,
1680 	    ure_ocp_reg_read(sc, URE_OCP_POWER_CFG) |
1681 	    URE_EN_10M_PLLOFF);
1682 	ure_sram_write(sc, URE_SRAM_IMPEDANCE, 0x0b13);
1683 	URE_SETBIT_2(sc, URE_PLA_PHY_PWR, URE_MCU_TYPE_PLA, URE_PFM_PWM_SWITCH);
1684 
1685 	/* Enable LPF corner auto tune. */
1686 	ure_sram_write(sc, URE_SRAM_LPF_CFG, 0xf70f);
1687 
1688 	/* Adjust 10M amplitude. */
1689 	ure_sram_write(sc, URE_SRAM_10M_AMP1, 0x00af);
1690 	ure_sram_write(sc, URE_SRAM_10M_AMP2, 0x0208);
1691 
1692 	ure_rtl8152_nic_reset(sc);
1693 
1694 	/* Enable Rx aggregation. */
1695 	URE_CLRBIT_2(sc, URE_USB_USB_CTRL, URE_MCU_TYPE_USB, URE_RX_AGG_DISABLE | URE_RX_ZERO_EN);
1696 
1697 	val = ure_read_2(sc, URE_USB_U2P3_CTRL, URE_MCU_TYPE_USB);
1698 	if (!(sc->sc_chip & (URE_CHIP_VER_5C00 | URE_CHIP_VER_5C10)))
1699 		val |= URE_U2P3_ENABLE;
1700 	else
1701 		val &= ~URE_U2P3_ENABLE;
1702 	ure_write_2(sc, URE_USB_U2P3_CTRL, URE_MCU_TYPE_USB, val);
1703 
1704 	memset(u1u2, 0xff, sizeof(u1u2));
1705 	ure_write_mem(sc, URE_USB_TOLERANCE,
1706 	    URE_MCU_TYPE_USB | URE_BYTE_EN_SIX_BYTES, u1u2, sizeof(u1u2));
1707 }
1708 
1709 static void
1710 ure_rtl8153b_init(struct ure_softc *sc)
1711 {
1712 	uint16_t val;
1713 	int i;
1714 
1715 	if (sc->sc_flags & (URE_FLAG_8156 | URE_FLAG_8156B)) {
1716 		URE_CLRBIT_1(sc, 0xd26b, URE_MCU_TYPE_USB, 0x01);
1717 		ure_write_2(sc, 0xd32a, URE_MCU_TYPE_USB, 0);
1718 		URE_SETBIT_2(sc, 0xcfee, URE_MCU_TYPE_USB, 0x0020);
1719 	}
1720 
1721 	if (sc->sc_flags & URE_FLAG_8156B) {
1722 		URE_SETBIT_2(sc, 0xb460, URE_MCU_TYPE_USB, 0x08);
1723 	}
1724 
1725 	ure_enable_aldps(sc, false);
1726 
1727 	/* Disable U1U2 */
1728 	URE_CLRBIT_2(sc, URE_USB_LPM_CONFIG, URE_MCU_TYPE_USB, URE_LPM_U1U2_EN);
1729 
1730 	/* Wait loading flash */
1731 	if (sc->sc_chip == URE_CHIP_VER_7410) {
1732 		if ((ure_read_2(sc, 0xd3ae, URE_MCU_TYPE_PLA) & 0x0002) &&
1733 		    !(ure_read_2(sc, 0xd284, URE_MCU_TYPE_USB) & 0x0020)) {
1734 			for (i=0; i < 100; i++) {
1735 				if (ure_read_2(sc, 0xd284, URE_MCU_TYPE_USB) & 0x0004)
1736 					break;
1737 				uether_pause(&sc->sc_ue, hz / 1000);
1738 			}
1739 		}
1740 	}
1741 
1742 	for (i = 0; i < URE_TIMEOUT; i++) {
1743 		if (ure_read_2(sc, URE_PLA_BOOT_CTRL, URE_MCU_TYPE_PLA) &
1744 		    URE_AUTOLOAD_DONE)
1745 			break;
1746 		uether_pause(&sc->sc_ue, hz / 100);
1747 	}
1748 	if (i == URE_TIMEOUT)
1749 		device_printf(sc->sc_ue.ue_dev,
1750 		    "timeout waiting for chip autoload\n");
1751 
1752 	val = ure_phy_status(sc, 0);
1753 	if ((val == URE_PHY_STAT_EXT_INIT) &
1754 	    (sc->sc_flags & (URE_FLAG_8156 | URE_FLAG_8156B))) {
1755 		ure_ocp_reg_write(sc, 0xa468,
1756 		    ure_ocp_reg_read(sc, 0xa468) & ~0x0a);
1757 		if (sc->sc_flags & URE_FLAG_8156B)
1758 			ure_ocp_reg_write(sc, 0xa466,
1759 				ure_ocp_reg_read(sc, 0xa466) & ~0x01);
1760 	}
1761 
1762 	val = ure_ocp_reg_read(sc, URE_OCP_BASE_MII + MII_BMCR);
1763 	if (val & BMCR_PDOWN) {
1764 		val &= ~BMCR_PDOWN;
1765 		ure_ocp_reg_write(sc, URE_OCP_BASE_MII + MII_BMCR, val);
1766 	}
1767 
1768 	ure_phy_status(sc, URE_PHY_STAT_LAN_ON);
1769 
1770 	/* Disable U2P3 */
1771 	URE_CLRBIT_2(sc, URE_USB_U2P3_CTRL, URE_MCU_TYPE_USB, URE_U2P3_ENABLE);
1772 
1773 	/* MSC timer, 32760 ms. */
1774 	ure_write_2(sc, URE_USB_MSC_TIMER, URE_MCU_TYPE_USB, 0x0fff);
1775 
1776 	/* U1/U2/L1 idle timer, 500 us. */
1777 	ure_write_2(sc, URE_USB_U1U2_TIMER, URE_MCU_TYPE_USB, 500);
1778 
1779 	/* Disable power cut */
1780 	URE_CLRBIT_2(sc, URE_USB_POWER_CUT, URE_MCU_TYPE_USB, URE_PWR_EN);
1781 	URE_CLRBIT_2(sc, URE_USB_MISC_0, URE_MCU_TYPE_USB, URE_PCUT_STATUS);
1782 
1783 	/* Disable ups */
1784 	URE_CLRBIT_1(sc, URE_USB_POWER_CUT, URE_MCU_TYPE_USB, URE_UPS_EN | URE_USP_PREWAKE);
1785 	URE_CLRBIT_1(sc, 0xcfff, URE_MCU_TYPE_USB, 0x01);
1786 
1787 	/* Disable queue wake */
1788 	URE_CLRBIT_1(sc, URE_PLA_INDICATE_FALG, URE_MCU_TYPE_USB, URE_UPCOMING_RUNTIME_D3);
1789 	URE_CLRBIT_1(sc, URE_PLA_SUSPEND_FLAG, URE_MCU_TYPE_USB, URE_LINK_CHG_EVENT);
1790 	URE_CLRBIT_2(sc, URE_PLA_EXTRA_STATUS, URE_MCU_TYPE_USB, URE_LINK_CHANGE_FLAG);
1791 
1792 	/* Disable runtime suspend */
1793 	ure_write_1(sc, URE_PLA_CRWECR, URE_MCU_TYPE_PLA, URE_CRWECR_CONFIG);
1794 	URE_CLRBIT_2(sc, URE_PLA_CONFIG34, URE_MCU_TYPE_USB, URE_LINK_OFF_WAKE_EN);
1795 	ure_write_1(sc, URE_PLA_CRWECR, URE_MCU_TYPE_PLA, URE_CRWECR_NORAML);
1796 
1797 	/* Enable U1U2 */
1798 	if (usbd_get_speed(sc->sc_ue.ue_udev) == USB_SPEED_SUPER)
1799 		URE_SETBIT_2(sc, URE_USB_LPM_CONFIG, URE_MCU_TYPE_USB, URE_LPM_U1U2_EN);
1800 
1801 	if (sc->sc_flags & URE_FLAG_8156B) {
1802 		URE_CLRBIT_2(sc, 0xc010, URE_MCU_TYPE_PLA, 0x0800);
1803 		URE_SETBIT_2(sc, 0xe854, URE_MCU_TYPE_PLA, 0x0001);
1804 
1805 		/* enable fc timer and set timer to 600 ms. */
1806 		ure_write_2(sc, URE_USB_FC_TIMER, URE_MCU_TYPE_USB, URE_CTRL_TIMER_EN | (600 / 8));
1807 
1808 		if (!(ure_read_1(sc, 0xdc6b, URE_MCU_TYPE_PLA) & 0x80)) {
1809 			val = ure_read_2(sc, URE_USB_FW_CTRL, URE_MCU_TYPE_USB);
1810 			val |= URE_FLOW_CTRL_PATCH_OPT | 0x0100;
1811 			val &= ~0x08;
1812 			ure_write_2(sc, URE_USB_FW_CTRL, URE_MCU_TYPE_USB, val);
1813 		}
1814 
1815 		URE_SETBIT_2(sc, URE_USB_FW_TASK, URE_MCU_TYPE_USB, URE_FC_PATCH_TASK);
1816 	}
1817 
1818 	val = ure_read_2(sc, URE_PLA_EXTRA_STATUS, URE_MCU_TYPE_PLA);
1819 	if (ure_get_link_status(sc))
1820 		val |= URE_CUR_LINK_OK;
1821 	else
1822 		val &= ~URE_CUR_LINK_OK;
1823 	val |= URE_POLL_LINK_CHG;
1824 	ure_write_2(sc, URE_PLA_EXTRA_STATUS, URE_MCU_TYPE_PLA, val);
1825 
1826 	/* MAC clock speed down */
1827 	if (sc->sc_flags & (URE_FLAG_8156 | URE_FLAG_8156B)) {
1828 		ure_write_2(sc, URE_PLA_MAC_PWR_CTRL, URE_MCU_TYPE_PLA, 0x0403);
1829 		val = ure_read_2(sc, URE_PLA_MAC_PWR_CTRL2, URE_MCU_TYPE_PLA);
1830 		val &= ~0xff;
1831 		val |= URE_MAC_CLK_SPDWN_EN | 0x03;
1832 		ure_write_2(sc, URE_PLA_MAC_PWR_CTRL2, URE_MCU_TYPE_PLA, val);
1833 	} else {
1834 		URE_SETBIT_2(sc, URE_PLA_MAC_PWR_CTRL2, URE_MCU_TYPE_USB, URE_MAC_CLK_SPDWN_EN);
1835 	}
1836 	URE_CLRBIT_2(sc, URE_PLA_MAC_PWR_CTRL3, URE_MCU_TYPE_PLA, URE_PLA_MCU_SPDWN_EN);
1837 
1838 	/* Enable Rx aggregation. */
1839 	URE_CLRBIT_2(sc, URE_USB_USB_CTRL, URE_MCU_TYPE_USB, URE_RX_AGG_DISABLE | URE_RX_ZERO_EN);
1840 
1841 	if (sc->sc_flags & URE_FLAG_8156)
1842 		URE_SETBIT_1(sc, 0xd4b4, URE_MCU_TYPE_USB, 0x02);
1843 
1844 	/* Reset tally */
1845 	URE_SETBIT_2(sc, URE_PLA_RSTTALLY, URE_MCU_TYPE_USB, URE_TALLY_RESET);
1846 }
1847 
1848 static void
1849 ure_rtl8153b_nic_reset(struct ure_softc *sc)
1850 {
1851 	if_t ifp = uether_getifp(&sc->sc_ue);
1852 	uint16_t val;
1853 	int i;
1854 
1855 	/* Disable U1U2 */
1856 	URE_CLRBIT_2(sc, URE_USB_LPM_CONFIG, URE_MCU_TYPE_USB, URE_LPM_U1U2_EN);
1857 
1858 	/* Disable U2P3 */
1859 	URE_CLRBIT_2(sc, URE_USB_U2P3_CTRL, URE_MCU_TYPE_USB, URE_U2P3_ENABLE);
1860 
1861 	ure_enable_aldps(sc, false);
1862 
1863 	/* Enable rxdy_gated */
1864 	URE_SETBIT_2(sc, URE_PLA_MISC_1, URE_MCU_TYPE_PLA, URE_RXDY_GATED_EN);
1865 
1866 	/* Disable teredo */
1867 	ure_disable_teredo(sc);
1868 
1869 	DEVPRINTFN(14, sc->sc_ue.ue_dev, "rtl8153b_nic_reset: RCR: %#x\n", ure_read_4(sc, URE_PLA_RCR, URE_MCU_TYPE_PLA));
1870 	URE_CLRBIT_4(sc, URE_PLA_RCR, URE_MCU_TYPE_PLA, URE_RCR_ACPT_ALL);
1871 
1872 	ure_reset(sc);
1873 
1874 	/* Reset BMU */
1875 	URE_CLRBIT_1(sc, URE_USB_BMU_RESET, URE_MCU_TYPE_USB, URE_BMU_RESET_EP_IN | URE_BMU_RESET_EP_OUT);
1876 	URE_SETBIT_1(sc, URE_USB_BMU_RESET, URE_MCU_TYPE_USB, URE_BMU_RESET_EP_IN | URE_BMU_RESET_EP_OUT);
1877 
1878 	URE_CLRBIT_1(sc, URE_PLA_OOB_CTRL, URE_MCU_TYPE_PLA, URE_NOW_IS_OOB);
1879 	URE_CLRBIT_2(sc, URE_PLA_SFF_STS_7, URE_MCU_TYPE_PLA, URE_MCU_BORW_EN);
1880 	if (sc->sc_flags & URE_FLAG_8153B) {
1881 		for (i = 0; i < URE_TIMEOUT; i++) {
1882 			if (ure_read_1(sc, URE_PLA_OOB_CTRL, URE_MCU_TYPE_PLA) &
1883 			    URE_LINK_LIST_READY)
1884 				break;
1885 			uether_pause(&sc->sc_ue, hz / 100);
1886 		}
1887 		if (i == URE_TIMEOUT)
1888 			device_printf(sc->sc_ue.ue_dev,
1889 			    "timeout waiting for OOB control\n");
1890 
1891 		URE_SETBIT_2(sc, URE_PLA_SFF_STS_7, URE_MCU_TYPE_PLA, URE_RE_INIT_LL);
1892 		for (i = 0; i < URE_TIMEOUT; i++) {
1893 			if (ure_read_1(sc, URE_PLA_OOB_CTRL, URE_MCU_TYPE_PLA) &
1894 			    URE_LINK_LIST_READY)
1895 			break;
1896 			uether_pause(&sc->sc_ue, hz / 100);
1897 		}
1898 		if (i == URE_TIMEOUT)
1899 			device_printf(sc->sc_ue.ue_dev,
1900 			    "timeout waiting for OOB control\n");
1901 	}
1902 
1903 	/* Configure rxvlan */
1904 	val = ure_read_2(sc, 0xc012, URE_MCU_TYPE_PLA);
1905 	val &= ~0x00c0;
1906 	if (if_getcapabilities(ifp) & IFCAP_VLAN_HWTAGGING)
1907 		val |= 0x00c0;
1908 	ure_write_2(sc, 0xc012, URE_MCU_TYPE_PLA, val);
1909 
1910 	val = if_getmtu(ifp);
1911 	ure_write_2(sc, URE_PLA_RMS, URE_MCU_TYPE_PLA, URE_FRAMELEN(val));
1912 	ure_write_1(sc, URE_PLA_MTPS, URE_MCU_TYPE_PLA, URE_MTPS_JUMBO);
1913 
1914 	if (sc->sc_flags & URE_FLAG_8153B) {
1915 		URE_SETBIT_2(sc, URE_PLA_TCR0, URE_MCU_TYPE_PLA, URE_TCR0_AUTO_FIFO);
1916 		ure_reset(sc);
1917 	}
1918 
1919 	/* Configure fc parameter */
1920 	if (sc->sc_flags & URE_FLAG_8156) {
1921 		ure_write_2(sc, 0xc0a6, URE_MCU_TYPE_PLA, 0x0400);
1922 		ure_write_2(sc, 0xc0aa, URE_MCU_TYPE_PLA, 0x0800);
1923 	} else if (sc->sc_flags & URE_FLAG_8156B) {
1924 		ure_write_2(sc, 0xc0a6, URE_MCU_TYPE_PLA, 0x0200);
1925 		ure_write_2(sc, 0xc0aa, URE_MCU_TYPE_PLA, 0x0400);
1926 	}
1927 
1928 	/* Configure Rx FIFO threshold. */
1929 	if (sc->sc_flags & URE_FLAG_8153B) {
1930 		ure_write_4(sc, URE_PLA_RXFIFO_CTRL0, URE_MCU_TYPE_PLA,	URE_RXFIFO_THR1_NORMAL);
1931 		ure_write_2(sc, URE_PLA_RXFIFO_CTRL1, URE_MCU_TYPE_PLA, URE_RXFIFO_THR2_NORMAL);
1932 		ure_write_2(sc, URE_PLA_RXFIFO_CTRL2, URE_MCU_TYPE_PLA, URE_RXFIFO_THR3_NORMAL);
1933 		ure_write_4(sc, URE_USB_RX_BUF_TH, URE_MCU_TYPE_USB, URE_RX_THR_B);
1934 	} else {
1935 		ure_write_2(sc, 0xc0a2, URE_MCU_TYPE_PLA,
1936 		    (ure_read_2(sc, 0xc0a2, URE_MCU_TYPE_PLA) & ~0xfff) | 0x08);
1937 		ure_write_4(sc, URE_USB_RX_BUF_TH, URE_MCU_TYPE_USB, 0x00600400);
1938 	}
1939 
1940 	/* Configure Tx FIFO threshold. */
1941 	if (sc->sc_flags & URE_FLAG_8153B) {
1942 		ure_write_4(sc, URE_PLA_TXFIFO_CTRL, URE_MCU_TYPE_PLA, URE_TXFIFO_THR_NORMAL2);
1943 	} else if (sc->sc_flags & URE_FLAG_8156) {
1944 		ure_write_2(sc, URE_PLA_TXFIFO_CTRL, URE_MCU_TYPE_PLA, URE_TXFIFO_THR_NORMAL2);
1945 		URE_SETBIT_2(sc, 0xd4b4, URE_MCU_TYPE_USB, 0x0002);
1946 	} else if (sc->sc_flags & URE_FLAG_8156B) {
1947 		ure_write_2(sc, URE_PLA_TXFIFO_CTRL, URE_MCU_TYPE_PLA, 0x0008);
1948 		ure_write_2(sc, 0xe61a, URE_MCU_TYPE_PLA,
1949 		    (URE_FRAMELEN(val) + 0x100) / 16 );
1950 	}
1951 
1952 	URE_CLRBIT_2(sc, URE_PLA_MAC_PWR_CTRL3, URE_MCU_TYPE_PLA, URE_PLA_MCU_SPDWN_EN);
1953 
1954 	if (sc->sc_flags & (URE_FLAG_8156 | URE_FLAG_8156B))
1955 		URE_CLRBIT_2(sc, 0xd32a, URE_MCU_TYPE_USB, 0x300);
1956 
1957 	ure_enable_aldps(sc, true);
1958 
1959 	if (sc->sc_flags & (URE_FLAG_8156 | URE_FLAG_8156B)) {
1960 		/* Enable U2P3 */
1961 		URE_SETBIT_2(sc, URE_USB_U2P3_CTRL, URE_MCU_TYPE_USB, URE_U2P3_ENABLE);
1962 	}
1963 
1964 	/* Enable U1U2 */
1965 	if (usbd_get_speed(sc->sc_ue.ue_udev) == USB_SPEED_SUPER)
1966 		URE_SETBIT_2(sc, URE_USB_LPM_CONFIG, URE_MCU_TYPE_USB, URE_LPM_U1U2_EN);
1967 }
1968 
1969 static void
1970 ure_stop(struct usb_ether *ue)
1971 {
1972 	struct ure_softc *sc = uether_getsc(ue);
1973 	if_t ifp = uether_getifp(ue);
1974 
1975 	URE_LOCK_ASSERT(sc, MA_OWNED);
1976 
1977 	if_setdrvflagbits(ifp, 0, (IFF_DRV_RUNNING | IFF_DRV_OACTIVE));
1978 	sc->sc_flags &= ~URE_FLAG_LINK;
1979 	sc->sc_rxstarted = 0;
1980 
1981 	/*
1982 	 * stop all the transfers, if not already stopped:
1983 	 */
1984 	for (int i = 0; i < URE_MAX_RX; i++)
1985 		usbd_transfer_stop(sc->sc_rx_xfer[i]);
1986 	for (int i = 0; i < URE_MAX_TX; i++)
1987 		usbd_transfer_stop(sc->sc_tx_xfer[i]);
1988 }
1989 
1990 static void
1991 ure_disable_teredo(struct ure_softc *sc)
1992 {
1993 
1994 	if (sc->sc_flags & (URE_FLAG_8153B | URE_FLAG_8156 | URE_FLAG_8156B))
1995 		ure_write_1(sc, URE_PLA_TEREDO_CFG, URE_MCU_TYPE_PLA, 0xff);
1996 	else {
1997 		URE_CLRBIT_2(sc, URE_PLA_TEREDO_CFG, URE_MCU_TYPE_PLA,
1998 		    (URE_TEREDO_SEL | URE_TEREDO_RS_EVENT_MASK | URE_OOB_TEREDO_EN));
1999 	}
2000 	ure_write_2(sc, URE_PLA_WDT6_CTRL, URE_MCU_TYPE_PLA, URE_WDT6_SET_MODE);
2001 	ure_write_2(sc, URE_PLA_REALWOW_TIMER, URE_MCU_TYPE_PLA, 0);
2002 	ure_write_4(sc, URE_PLA_TEREDO_TIMER, URE_MCU_TYPE_PLA, 0);
2003 }
2004 
2005 static void
2006 ure_enable_aldps(struct ure_softc *sc, bool enable)
2007 {
2008 	int i;
2009 
2010 	if (enable) {
2011 		ure_ocp_reg_write(sc, URE_OCP_POWER_CFG,
2012 			ure_ocp_reg_read(sc, URE_OCP_POWER_CFG) | URE_EN_ALDPS);
2013 	} else {
2014 		ure_ocp_reg_write(sc, URE_OCP_ALDPS_CONFIG, URE_ENPDNPS | URE_LINKENA |
2015 			URE_DIS_SDSAVE);
2016 		for (i = 0; i < 20; i++) {
2017 			uether_pause(&sc->sc_ue, hz / 1000);
2018 			if (ure_ocp_reg_read(sc, 0xe000) & 0x0100)
2019 				break;
2020 		}
2021 	}
2022 }
2023 
2024 static uint16_t
2025 ure_phy_status(struct ure_softc *sc, uint16_t desired)
2026 {
2027 	uint16_t val;
2028 	int i;
2029 
2030 	for (i = 0; i < URE_TIMEOUT; i++) {
2031 		val = ure_ocp_reg_read(sc, URE_OCP_PHY_STATUS) &
2032 		    URE_PHY_STAT_MASK;
2033 		if (desired) {
2034 			if (val == desired)
2035 				break;
2036 		} else {
2037 			if (val == URE_PHY_STAT_LAN_ON ||
2038 				val == URE_PHY_STAT_PWRDN ||
2039 			    val == URE_PHY_STAT_EXT_INIT)
2040 				break;
2041 		}
2042 		uether_pause(&sc->sc_ue, hz / 100);
2043 	}
2044 	if (i == URE_TIMEOUT)
2045 		device_printf(sc->sc_ue.ue_dev,
2046 		    "timeout waiting for phy to stabilize\n");
2047 
2048 	return (val);
2049 }
2050 
2051 static void
2052 ure_rtl8152_nic_reset(struct ure_softc *sc)
2053 {
2054 	uint32_t rx_fifo1, rx_fifo2;
2055 	int i;
2056 
2057 	URE_SETBIT_2(sc, URE_PLA_MISC_1, URE_MCU_TYPE_PLA, URE_RXDY_GATED_EN);
2058 
2059 	ure_disable_teredo(sc);
2060 
2061 	DEVPRINTFN(14, sc->sc_ue.ue_dev, "rtl8152_nic_reset: RCR: %#x\n", ure_read_4(sc, URE_PLA_RCR, URE_MCU_TYPE_PLA));
2062 	URE_CLRBIT_4(sc, URE_PLA_RCR, URE_MCU_TYPE_PLA, URE_RCR_ACPT_ALL);
2063 
2064 	ure_reset(sc);
2065 
2066 	ure_write_1(sc, URE_PLA_CR, URE_MCU_TYPE_PLA, 0);
2067 
2068 	URE_CLRBIT_1(sc, URE_PLA_OOB_CTRL, URE_MCU_TYPE_PLA, URE_NOW_IS_OOB);
2069 
2070 	URE_CLRBIT_2(sc, URE_PLA_SFF_STS_7, URE_MCU_TYPE_PLA, URE_MCU_BORW_EN);
2071 	for (i = 0; i < URE_TIMEOUT; i++) {
2072 		if (ure_read_1(sc, URE_PLA_OOB_CTRL, URE_MCU_TYPE_PLA) &
2073 		    URE_LINK_LIST_READY)
2074 			break;
2075 		uether_pause(&sc->sc_ue, hz / 100);
2076 	}
2077 	if (i == URE_TIMEOUT)
2078 		device_printf(sc->sc_ue.ue_dev,
2079 		    "timeout waiting for OOB control\n");
2080 	URE_SETBIT_2(sc, URE_PLA_SFF_STS_7, URE_MCU_TYPE_PLA, URE_RE_INIT_LL);
2081 	for (i = 0; i < URE_TIMEOUT; i++) {
2082 		if (ure_read_1(sc, URE_PLA_OOB_CTRL, URE_MCU_TYPE_PLA) &
2083 		    URE_LINK_LIST_READY)
2084 			break;
2085 		uether_pause(&sc->sc_ue, hz / 100);
2086 	}
2087 	if (i == URE_TIMEOUT)
2088 		device_printf(sc->sc_ue.ue_dev,
2089 		    "timeout waiting for OOB control\n");
2090 
2091 	URE_CLRBIT_2(sc, URE_PLA_CPCR, URE_MCU_TYPE_PLA, URE_CPCR_RX_VLAN);
2092 
2093 	URE_SETBIT_2(sc, URE_PLA_TCR0, URE_MCU_TYPE_PLA, URE_TCR0_AUTO_FIFO);
2094 
2095 	/* Configure Rx FIFO threshold. */
2096 	ure_write_4(sc, URE_PLA_RXFIFO_CTRL0, URE_MCU_TYPE_PLA,
2097 	    URE_RXFIFO_THR1_NORMAL);
2098 	if (usbd_get_speed(sc->sc_ue.ue_udev) == USB_SPEED_FULL) {
2099 		rx_fifo1 = URE_RXFIFO_THR2_FULL;
2100 		rx_fifo2 = URE_RXFIFO_THR3_FULL;
2101 	} else {
2102 		rx_fifo1 = URE_RXFIFO_THR2_HIGH;
2103 		rx_fifo2 = URE_RXFIFO_THR3_HIGH;
2104 	}
2105 	ure_write_4(sc, URE_PLA_RXFIFO_CTRL1, URE_MCU_TYPE_PLA, rx_fifo1);
2106 	ure_write_4(sc, URE_PLA_RXFIFO_CTRL2, URE_MCU_TYPE_PLA, rx_fifo2);
2107 
2108 	/* Configure Tx FIFO threshold. */
2109 	ure_write_4(sc, URE_PLA_TXFIFO_CTRL, URE_MCU_TYPE_PLA,
2110 	    URE_TXFIFO_THR_NORMAL);
2111 }
2112 
2113 /*
2114  * Update mbuf for rx checksum from hardware
2115  */
2116 static void
2117 ure_rxcsum(int capenb, struct ure_rxpkt *rp, struct mbuf *m)
2118 {
2119 	int flags;
2120 	uint32_t csum, misc;
2121 	int tcp, udp;
2122 
2123 	m->m_pkthdr.csum_flags = 0;
2124 
2125 	if (!(capenb & IFCAP_RXCSUM))
2126 		return;
2127 
2128 	csum = le32toh(rp->ure_csum);
2129 	misc = le32toh(rp->ure_misc);
2130 
2131 	tcp = udp = 0;
2132 
2133 	flags = 0;
2134 	if (csum & URE_RXPKT_IPV4_CS)
2135 		flags |= CSUM_IP_CHECKED;
2136 	else if (csum & URE_RXPKT_IPV6_CS)
2137 		flags = 0;
2138 
2139 	tcp = rp->ure_csum & URE_RXPKT_TCP_CS;
2140 	udp = rp->ure_csum & URE_RXPKT_UDP_CS;
2141 
2142 	if (__predict_true((flags & CSUM_IP_CHECKED) &&
2143 	    !(misc & URE_RXPKT_IP_F))) {
2144 		flags |= CSUM_IP_VALID;
2145 	}
2146 	if (__predict_true(
2147 	    (tcp && !(misc & URE_RXPKT_TCP_F)) ||
2148 	    (udp && !(misc & URE_RXPKT_UDP_F)))) {
2149 		flags |= CSUM_DATA_VALID|CSUM_PSEUDO_HDR;
2150 		m->m_pkthdr.csum_data = 0xFFFF;
2151 	}
2152 
2153 	m->m_pkthdr.csum_flags = flags;
2154 }
2155 
2156 /*
2157  * If the L4 checksum offset is larger than 0x7ff (2047), return failure.
2158  * We currently restrict MTU such that it can't happen, and even if we
2159  * did have a large enough MTU, only a very specially crafted IPv6 packet
2160  * with MANY headers could possibly come close.
2161  *
2162  * Returns 0 for success, and 1 if the packet cannot be checksummed and
2163  * should be dropped.
2164  */
2165 static int
2166 ure_txcsum(struct mbuf *m, int caps, uint32_t *regout)
2167 {
2168 	struct ip ip;
2169 	struct ether_header *eh;
2170 	int flags;
2171 	uint32_t data;
2172 	uint32_t reg;
2173 	int l3off, l4off;
2174 	uint16_t type;
2175 
2176 	*regout = 0;
2177 	flags = m->m_pkthdr.csum_flags;
2178 	if (flags == 0)
2179 		return (0);
2180 
2181 	if (__predict_true(m->m_len >= (int)sizeof(*eh))) {
2182 		eh = mtod(m, struct ether_header *);
2183 		type = eh->ether_type;
2184 	} else
2185 		m_copydata(m, offsetof(struct ether_header, ether_type),
2186 		    sizeof(type), (caddr_t)&type);
2187 
2188 	switch (type = htons(type)) {
2189 	case ETHERTYPE_IP:
2190 	case ETHERTYPE_IPV6:
2191 		l3off = ETHER_HDR_LEN;
2192 		break;
2193 	case ETHERTYPE_VLAN:
2194 		/* XXX - what about QinQ? */
2195 		l3off = ETHER_HDR_LEN + ETHER_VLAN_ENCAP_LEN;
2196 		break;
2197 	default:
2198 		return (0);
2199 	}
2200 
2201 	reg = 0;
2202 
2203 	if (flags & CSUM_IP)
2204 		reg |= URE_TXPKT_IPV4_CS;
2205 
2206 	data = m->m_pkthdr.csum_data;
2207 	if (flags & (CSUM_IP_TCP | CSUM_IP_UDP)) {
2208 		m_copydata(m, l3off, sizeof ip, (caddr_t)&ip);
2209 		l4off = l3off + (ip.ip_hl << 2) + data;
2210 		if (__predict_false(l4off > URE_L4_OFFSET_MAX))
2211 			return (1);
2212 
2213 		reg |= URE_TXPKT_IPV4_CS;
2214 		if (flags & CSUM_IP_TCP)
2215 			reg |= URE_TXPKT_TCP_CS;
2216 		else if (flags & CSUM_IP_UDP)
2217 			reg |= URE_TXPKT_UDP_CS;
2218 		reg |= l4off << URE_L4_OFFSET_SHIFT;
2219 	}
2220 #ifdef INET6
2221 	else if (flags & (CSUM_IP6_TCP | CSUM_IP6_UDP)) {
2222 		l4off = l3off + data;
2223 		if (__predict_false(l4off > URE_L4_OFFSET_MAX))
2224 			return (1);
2225 
2226 		reg |= URE_TXPKT_IPV6_CS;
2227 		if (flags & CSUM_IP6_TCP)
2228 			reg |= URE_TXPKT_TCP_CS;
2229 		else if (flags & CSUM_IP6_UDP)
2230 			reg |= URE_TXPKT_UDP_CS;
2231 		reg |= l4off << URE_L4_OFFSET_SHIFT;
2232 	}
2233 #endif
2234 	*regout = reg;
2235 	return 0;
2236 }
2237