FreeBSD/Linux Kernel Cross Reference
sys/dev/usb/net/if_ure.c
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/cdefs.h>
28 __FBSDID("$FreeBSD$");
29
30 #include <sys/param.h>
31 #include <sys/systm.h>
32 #include <sys/bus.h>
33 #include <sys/condvar.h>
34 #include <sys/kernel.h>
35 #include <sys/lock.h>
36 #include <sys/module.h>
37 #include <sys/mutex.h>
38 #include <sys/sbuf.h>
39 #include <sys/socket.h>
40 #include <sys/sysctl.h>
41 #include <sys/unistd.h>
42
43 #include <net/if.h>
44 #include <net/if_var.h>
45 #include <net/if_media.h>
46
47 /* needed for checksum offload */
48 #include <netinet/in.h>
49 #include <netinet/ip.h>
50
51 #include <dev/mii/mii.h>
52 #include <dev/mii/miivar.h>
53
54 #include <dev/usb/usb.h>
55 #include <dev/usb/usbdi.h>
56 #include <dev/usb/usbdi_util.h>
57 #include "usbdevs.h"
58
59 #define USB_DEBUG_VAR ure_debug
60 #include <dev/usb/usb_debug.h>
61 #include <dev/usb/usb_process.h>
62
63 #include <dev/usb/net/usb_ethernet.h>
64 #include <dev/usb/net/if_urereg.h>
65
66 #include "miibus_if.h"
67
68 #include "opt_inet6.h"
69
70 #ifdef USB_DEBUG
71 static int ure_debug = 0;
72
73 static SYSCTL_NODE(_hw_usb, OID_AUTO, ure, CTLFLAG_RW | CTLFLAG_MPSAFE, 0,
74 "USB ure");
75 SYSCTL_INT(_hw_usb_ure, OID_AUTO, debug, CTLFLAG_RWTUN, &ure_debug, 0,
76 "Debug level");
77 #endif
78
79 #ifdef USB_DEBUG_VAR
80 #ifdef USB_DEBUG
81 #define DEVPRINTFN(n,dev,fmt,...) do { \
82 if ((USB_DEBUG_VAR) >= (n)) { \
83 device_printf((dev), "%s: " fmt, \
84 __FUNCTION__ ,##__VA_ARGS__); \
85 } \
86 } while (0)
87 #define DEVPRINTF(...) DEVPRINTFN(1, __VA_ARGS__)
88 #else
89 #define DEVPRINTF(...) do { } while (0)
90 #define DEVPRINTFN(...) do { } while (0)
91 #endif
92 #endif
93
94 /*
95 * Various supported device vendors/products.
96 */
97 static const STRUCT_USB_HOST_ID ure_devs[] = {
98 #define URE_DEV(v,p,i) { \
99 USB_VPI(USB_VENDOR_##v, USB_PRODUCT_##v##_##p, i), \
100 USB_IFACE_CLASS(UICLASS_VENDOR), \
101 USB_IFACE_SUBCLASS(UISUBCLASS_VENDOR) }
102 URE_DEV(LENOVO, RTL8153, URE_FLAG_8153),
103 URE_DEV(LENOVO, TBT3LAN, 0),
104 URE_DEV(LENOVO, TBT3LANGEN2, 0),
105 URE_DEV(LENOVO, ONELINK, 0),
106 URE_DEV(LENOVO, RTL8153_04, URE_FLAG_8153),
107 URE_DEV(LENOVO, USBCLAN, 0),
108 URE_DEV(LENOVO, USBCLANGEN2, 0),
109 URE_DEV(MICROSOFT, WINDEVETH, 0),
110 URE_DEV(NVIDIA, RTL8153, URE_FLAG_8153),
111 URE_DEV(REALTEK, RTL8152, URE_FLAG_8152),
112 URE_DEV(REALTEK, RTL8153, URE_FLAG_8153),
113 URE_DEV(TPLINK, RTL8153, URE_FLAG_8153),
114 URE_DEV(REALTEK, RTL8156, URE_FLAG_8156),
115 #undef URE_DEV
116 };
117
118 static device_probe_t ure_probe;
119 static device_attach_t ure_attach;
120 static device_detach_t ure_detach;
121
122 static usb_callback_t ure_bulk_read_callback;
123 static usb_callback_t ure_bulk_write_callback;
124
125 static miibus_readreg_t ure_miibus_readreg;
126 static miibus_writereg_t ure_miibus_writereg;
127 static miibus_statchg_t ure_miibus_statchg;
128
129 static uether_fn_t ure_attach_post;
130 static uether_fn_t ure_init;
131 static uether_fn_t ure_stop;
132 static uether_fn_t ure_start;
133 static uether_fn_t ure_tick;
134 static uether_fn_t ure_rxfilter;
135
136 static int ure_ctl(struct ure_softc *, uint8_t, uint16_t, uint16_t,
137 void *, int);
138 static int ure_read_mem(struct ure_softc *, uint16_t, uint16_t, void *,
139 int);
140 static int ure_write_mem(struct ure_softc *, uint16_t, uint16_t, void *,
141 int);
142 static uint8_t ure_read_1(struct ure_softc *, uint16_t, uint16_t);
143 static uint16_t ure_read_2(struct ure_softc *, uint16_t, uint16_t);
144 static uint32_t ure_read_4(struct ure_softc *, uint16_t, uint16_t);
145 static int ure_write_1(struct ure_softc *, uint16_t, uint16_t, uint32_t);
146 static int ure_write_2(struct ure_softc *, uint16_t, uint16_t, uint32_t);
147 static int ure_write_4(struct ure_softc *, uint16_t, uint16_t, uint32_t);
148 static uint16_t ure_ocp_reg_read(struct ure_softc *, uint16_t);
149 static void ure_ocp_reg_write(struct ure_softc *, uint16_t, uint16_t);
150 static void ure_sram_write(struct ure_softc *, uint16_t, uint16_t);
151
152 static int ure_sysctl_chipver(SYSCTL_HANDLER_ARGS);
153
154 static void ure_read_chipver(struct ure_softc *);
155 static int ure_attach_post_sub(struct usb_ether *);
156 static void ure_reset(struct ure_softc *);
157 static int ure_ifmedia_upd(struct ifnet *);
158 static void ure_ifmedia_sts(struct ifnet *, struct ifmediareq *);
159 static void ure_add_media_types(struct ure_softc *);
160 static void ure_link_state(struct ure_softc *sc);
161 static int ure_get_link_status(struct ure_softc *);
162 static int ure_ioctl(struct ifnet *, u_long, caddr_t);
163 static void ure_rtl8152_init(struct ure_softc *);
164 static void ure_rtl8152_nic_reset(struct ure_softc *);
165 static void ure_rtl8153_init(struct ure_softc *);
166 static void ure_rtl8153b_init(struct ure_softc *);
167 static void ure_rtl8153b_nic_reset(struct ure_softc *);
168 static void ure_disable_teredo(struct ure_softc *);
169 static void ure_enable_aldps(struct ure_softc *, bool);
170 static uint16_t ure_phy_status(struct ure_softc *, uint16_t);
171 static void ure_rxcsum(int capenb, struct ure_rxpkt *rp, struct mbuf *m);
172 static int ure_txcsum(struct mbuf *m, int caps, uint32_t *regout);
173
174 static device_method_t ure_methods[] = {
175 /* Device interface. */
176 DEVMETHOD(device_probe, ure_probe),
177 DEVMETHOD(device_attach, ure_attach),
178 DEVMETHOD(device_detach, ure_detach),
179
180 /* MII interface. */
181 DEVMETHOD(miibus_readreg, ure_miibus_readreg),
182 DEVMETHOD(miibus_writereg, ure_miibus_writereg),
183 DEVMETHOD(miibus_statchg, ure_miibus_statchg),
184
185 DEVMETHOD_END
186 };
187
188 static driver_t ure_driver = {
189 .name = "ure",
190 .methods = ure_methods,
191 .size = sizeof(struct ure_softc),
192 };
193
194 DRIVER_MODULE(ure, uhub, ure_driver, NULL, NULL);
195 DRIVER_MODULE(miibus, ure, miibus_driver, NULL, NULL);
196 MODULE_DEPEND(ure, uether, 1, 1, 1);
197 MODULE_DEPEND(ure, usb, 1, 1, 1);
198 MODULE_DEPEND(ure, ether, 1, 1, 1);
199 MODULE_DEPEND(ure, miibus, 1, 1, 1);
200 MODULE_VERSION(ure, 1);
201 USB_PNP_HOST_INFO(ure_devs);
202
203 static const struct usb_ether_methods ure_ue_methods = {
204 .ue_attach_post = ure_attach_post,
205 .ue_attach_post_sub = ure_attach_post_sub,
206 .ue_start = ure_start,
207 .ue_init = ure_init,
208 .ue_stop = ure_stop,
209 .ue_tick = ure_tick,
210 .ue_setmulti = ure_rxfilter,
211 .ue_setpromisc = ure_rxfilter,
212 .ue_mii_upd = ure_ifmedia_upd,
213 .ue_mii_sts = ure_ifmedia_sts,
214 };
215
216 #define URE_SETBIT_1(sc, reg, index, x) \
217 ure_write_1(sc, reg, index, ure_read_1(sc, reg, index) | (x))
218 #define URE_SETBIT_2(sc, reg, index, x) \
219 ure_write_2(sc, reg, index, ure_read_2(sc, reg, index) | (x))
220 #define URE_SETBIT_4(sc, reg, index, x) \
221 ure_write_4(sc, reg, index, ure_read_4(sc, reg, index) | (x))
222
223 #define URE_CLRBIT_1(sc, reg, index, x) \
224 ure_write_1(sc, reg, index, ure_read_1(sc, reg, index) & ~(x))
225 #define URE_CLRBIT_2(sc, reg, index, x) \
226 ure_write_2(sc, reg, index, ure_read_2(sc, reg, index) & ~(x))
227 #define URE_CLRBIT_4(sc, reg, index, x) \
228 ure_write_4(sc, reg, index, ure_read_4(sc, reg, index) & ~(x))
229
230 static int
231 ure_ctl(struct ure_softc *sc, uint8_t rw, uint16_t val, uint16_t index,
232 void *buf, int len)
233 {
234 struct usb_device_request req;
235
236 URE_LOCK_ASSERT(sc, MA_OWNED);
237
238 if (rw == URE_CTL_WRITE)
239 req.bmRequestType = UT_WRITE_VENDOR_DEVICE;
240 else
241 req.bmRequestType = UT_READ_VENDOR_DEVICE;
242 req.bRequest = UR_SET_ADDRESS;
243 USETW(req.wValue, val);
244 USETW(req.wIndex, index);
245 USETW(req.wLength, len);
246
247 return (uether_do_request(&sc->sc_ue, &req, buf, 1000));
248 }
249
250 static int
251 ure_read_mem(struct ure_softc *sc, uint16_t addr, uint16_t index,
252 void *buf, int len)
253 {
254
255 return (ure_ctl(sc, URE_CTL_READ, addr, index, buf, len));
256 }
257
258 static int
259 ure_write_mem(struct ure_softc *sc, uint16_t addr, uint16_t index,
260 void *buf, int len)
261 {
262
263 return (ure_ctl(sc, URE_CTL_WRITE, addr, index, buf, len));
264 }
265
266 static uint8_t
267 ure_read_1(struct ure_softc *sc, uint16_t reg, uint16_t index)
268 {
269 uint32_t val;
270 uint8_t temp[4];
271 uint8_t shift;
272
273 shift = (reg & 3) << 3;
274 reg &= ~3;
275
276 ure_read_mem(sc, reg, index, &temp, 4);
277 val = UGETDW(temp);
278 val >>= shift;
279
280 return (val & 0xff);
281 }
282
283 static uint16_t
284 ure_read_2(struct ure_softc *sc, uint16_t reg, uint16_t index)
285 {
286 uint32_t val;
287 uint8_t temp[4];
288 uint8_t shift;
289
290 shift = (reg & 2) << 3;
291 reg &= ~3;
292
293 ure_read_mem(sc, reg, index, &temp, 4);
294 val = UGETDW(temp);
295 val >>= shift;
296
297 return (val & 0xffff);
298 }
299
300 static uint32_t
301 ure_read_4(struct ure_softc *sc, uint16_t reg, uint16_t index)
302 {
303 uint8_t temp[4];
304
305 ure_read_mem(sc, reg, index, &temp, 4);
306 return (UGETDW(temp));
307 }
308
309 static int
310 ure_write_1(struct ure_softc *sc, uint16_t reg, uint16_t index, uint32_t val)
311 {
312 uint16_t byen;
313 uint8_t temp[4];
314 uint8_t shift;
315
316 byen = URE_BYTE_EN_BYTE;
317 shift = reg & 3;
318 val &= 0xff;
319
320 if (reg & 3) {
321 byen <<= shift;
322 val <<= (shift << 3);
323 reg &= ~3;
324 }
325
326 USETDW(temp, val);
327 return (ure_write_mem(sc, reg, index | byen, &temp, 4));
328 }
329
330 static int
331 ure_write_2(struct ure_softc *sc, uint16_t reg, uint16_t index, uint32_t val)
332 {
333 uint16_t byen;
334 uint8_t temp[4];
335 uint8_t shift;
336
337 byen = URE_BYTE_EN_WORD;
338 shift = reg & 2;
339 val &= 0xffff;
340
341 if (reg & 2) {
342 byen <<= shift;
343 val <<= (shift << 3);
344 reg &= ~3;
345 }
346
347 USETDW(temp, val);
348 return (ure_write_mem(sc, reg, index | byen, &temp, 4));
349 }
350
351 static int
352 ure_write_4(struct ure_softc *sc, uint16_t reg, uint16_t index, uint32_t val)
353 {
354 uint8_t temp[4];
355
356 USETDW(temp, val);
357 return (ure_write_mem(sc, reg, index | URE_BYTE_EN_DWORD, &temp, 4));
358 }
359
360 static uint16_t
361 ure_ocp_reg_read(struct ure_softc *sc, uint16_t addr)
362 {
363 uint16_t reg;
364
365 ure_write_2(sc, URE_PLA_OCP_GPHY_BASE, URE_MCU_TYPE_PLA, addr & 0xf000);
366 reg = (addr & 0x0fff) | 0xb000;
367
368 return (ure_read_2(sc, reg, URE_MCU_TYPE_PLA));
369 }
370
371 static void
372 ure_ocp_reg_write(struct ure_softc *sc, uint16_t addr, uint16_t data)
373 {
374 uint16_t reg;
375
376 ure_write_2(sc, URE_PLA_OCP_GPHY_BASE, URE_MCU_TYPE_PLA, addr & 0xf000);
377 reg = (addr & 0x0fff) | 0xb000;
378
379 ure_write_2(sc, reg, URE_MCU_TYPE_PLA, data);
380 }
381
382 static void
383 ure_sram_write(struct ure_softc *sc, uint16_t addr, uint16_t data)
384 {
385 ure_ocp_reg_write(sc, URE_OCP_SRAM_ADDR, addr);
386 ure_ocp_reg_write(sc, URE_OCP_SRAM_DATA, data);
387 }
388
389 static int
390 ure_miibus_readreg(device_t dev, int phy, int reg)
391 {
392 struct ure_softc *sc;
393 uint16_t val;
394 int locked;
395
396 sc = device_get_softc(dev);
397 locked = mtx_owned(&sc->sc_mtx);
398 if (!locked)
399 URE_LOCK(sc);
400
401 /* Let the rgephy driver read the URE_GMEDIASTAT register. */
402 if (reg == URE_GMEDIASTAT) {
403 if (!locked)
404 URE_UNLOCK(sc);
405 return (ure_read_1(sc, URE_GMEDIASTAT, URE_MCU_TYPE_PLA));
406 }
407
408 val = ure_ocp_reg_read(sc, URE_OCP_BASE_MII + reg * 2);
409
410 if (!locked)
411 URE_UNLOCK(sc);
412 return (val);
413 }
414
415 static int
416 ure_miibus_writereg(device_t dev, int phy, int reg, int val)
417 {
418 struct ure_softc *sc;
419 int locked;
420
421 sc = device_get_softc(dev);
422 if (sc->sc_phyno != phy)
423 return (0);
424
425 locked = mtx_owned(&sc->sc_mtx);
426 if (!locked)
427 URE_LOCK(sc);
428
429 ure_ocp_reg_write(sc, URE_OCP_BASE_MII + reg * 2, val);
430
431 if (!locked)
432 URE_UNLOCK(sc);
433 return (0);
434 }
435
436 static void
437 ure_miibus_statchg(device_t dev)
438 {
439 struct ure_softc *sc;
440 struct mii_data *mii;
441 struct ifnet *ifp;
442 int locked;
443
444 sc = device_get_softc(dev);
445 mii = GET_MII(sc);
446 locked = mtx_owned(&sc->sc_mtx);
447 if (!locked)
448 URE_LOCK(sc);
449
450 ifp = uether_getifp(&sc->sc_ue);
451 if (mii == NULL || ifp == NULL ||
452 (ifp->if_drv_flags & IFF_DRV_RUNNING) == 0)
453 goto done;
454
455 sc->sc_flags &= ~URE_FLAG_LINK;
456 if ((mii->mii_media_status & (IFM_ACTIVE | IFM_AVALID)) ==
457 (IFM_ACTIVE | IFM_AVALID)) {
458 switch (IFM_SUBTYPE(mii->mii_media_active)) {
459 case IFM_10_T:
460 case IFM_100_TX:
461 sc->sc_flags |= URE_FLAG_LINK;
462 sc->sc_rxstarted = 0;
463 break;
464 case IFM_1000_T:
465 if ((sc->sc_flags & URE_FLAG_8152) != 0)
466 break;
467 sc->sc_flags |= URE_FLAG_LINK;
468 sc->sc_rxstarted = 0;
469 break;
470 default:
471 break;
472 }
473 }
474
475 /* Lost link, do nothing. */
476 if ((sc->sc_flags & URE_FLAG_LINK) == 0)
477 goto done;
478 done:
479 if (!locked)
480 URE_UNLOCK(sc);
481 }
482
483 /*
484 * Probe for a RTL8152/RTL8153 chip.
485 */
486 static int
487 ure_probe(device_t dev)
488 {
489 struct usb_attach_arg *uaa;
490
491 uaa = device_get_ivars(dev);
492 if (uaa->usb_mode != USB_MODE_HOST)
493 return (ENXIO);
494 if (uaa->info.bIfaceIndex != URE_IFACE_IDX)
495 return (ENXIO);
496
497 return (usbd_lookup_id_by_uaa(ure_devs, sizeof(ure_devs), uaa));
498 }
499
500 /*
501 * Attach the interface. Allocate softc structures, do ifmedia
502 * setup and ethernet/BPF attach.
503 */
504 static int
505 ure_attach(device_t dev)
506 {
507 struct usb_attach_arg *uaa = device_get_ivars(dev);
508 struct ure_softc *sc = device_get_softc(dev);
509 struct usb_ether *ue = &sc->sc_ue;
510 struct usb_config ure_config_rx[URE_MAX_RX];
511 struct usb_config ure_config_tx[URE_MAX_TX];
512 uint8_t iface_index;
513 int error;
514 int i;
515
516 sc->sc_flags = USB_GET_DRIVER_INFO(uaa);
517 device_set_usb_desc(dev);
518 mtx_init(&sc->sc_mtx, device_get_nameunit(dev), NULL, MTX_DEF);
519
520 iface_index = URE_IFACE_IDX;
521
522 if (sc->sc_flags & (URE_FLAG_8153 | URE_FLAG_8153B))
523 sc->sc_rxbufsz = URE_8153_RX_BUFSZ;
524 else if (sc->sc_flags & (URE_FLAG_8156 | URE_FLAG_8156B))
525 sc->sc_rxbufsz = URE_8156_RX_BUFSZ;
526 else
527 sc->sc_rxbufsz = URE_8152_RX_BUFSZ;
528
529 for (i = 0; i < URE_MAX_RX; i++) {
530 ure_config_rx[i] = (struct usb_config) {
531 .type = UE_BULK,
532 .endpoint = UE_ADDR_ANY,
533 .direction = UE_DIR_IN,
534 .bufsize = sc->sc_rxbufsz,
535 .flags = {.pipe_bof = 1,.short_xfer_ok = 1,},
536 .callback = ure_bulk_read_callback,
537 .timeout = 0, /* no timeout */
538 };
539 }
540 error = usbd_transfer_setup(uaa->device, &iface_index, sc->sc_rx_xfer,
541 ure_config_rx, URE_MAX_RX, sc, &sc->sc_mtx);
542 if (error != 0) {
543 device_printf(dev, "allocating USB RX transfers failed\n");
544 goto detach;
545 }
546
547 for (i = 0; i < URE_MAX_TX; i++) {
548 ure_config_tx[i] = (struct usb_config) {
549 .type = UE_BULK,
550 .endpoint = UE_ADDR_ANY,
551 .direction = UE_DIR_OUT,
552 .bufsize = URE_TX_BUFSZ,
553 .flags = {.pipe_bof = 1,.force_short_xfer = 1,},
554 .callback = ure_bulk_write_callback,
555 .timeout = 10000, /* 10 seconds */
556 };
557 }
558 error = usbd_transfer_setup(uaa->device, &iface_index, sc->sc_tx_xfer,
559 ure_config_tx, URE_MAX_TX, sc, &sc->sc_mtx);
560 if (error != 0) {
561 usbd_transfer_unsetup(sc->sc_rx_xfer, URE_MAX_RX);
562 device_printf(dev, "allocating USB TX transfers failed\n");
563 goto detach;
564 }
565
566 ue->ue_sc = sc;
567 ue->ue_dev = dev;
568 ue->ue_udev = uaa->device;
569 ue->ue_mtx = &sc->sc_mtx;
570 ue->ue_methods = &ure_ue_methods;
571
572 error = uether_ifattach(ue);
573 if (error != 0) {
574 device_printf(dev, "could not attach interface\n");
575 goto detach;
576 }
577 return (0); /* success */
578
579 detach:
580 ure_detach(dev);
581 return (ENXIO); /* failure */
582 }
583
584 static int
585 ure_detach(device_t dev)
586 {
587 struct ure_softc *sc = device_get_softc(dev);
588 struct usb_ether *ue = &sc->sc_ue;
589
590 usbd_transfer_unsetup(sc->sc_tx_xfer, URE_MAX_TX);
591 usbd_transfer_unsetup(sc->sc_rx_xfer, URE_MAX_RX);
592 uether_ifdetach(ue);
593 mtx_destroy(&sc->sc_mtx);
594
595 return (0);
596 }
597
598 /*
599 * Copy from USB buffers to a new mbuf chain with pkt header.
600 *
601 * This will use m_getm2 to get a mbuf chain w/ properly sized mbuf
602 * clusters as necessary.
603 */
604 static struct mbuf *
605 ure_makembuf(struct usb_page_cache *pc, usb_frlength_t offset,
606 usb_frlength_t len)
607 {
608 struct usb_page_search_res;
609 struct mbuf *m, *mb;
610 usb_frlength_t tlen;
611
612 m = m_getm2(NULL, len + ETHER_ALIGN, M_NOWAIT, MT_DATA, M_PKTHDR);
613 if (m == NULL)
614 return (m);
615
616 /* uether_newbuf does this. */
617 m_adj(m, ETHER_ALIGN);
618
619 m->m_pkthdr.len = len;
620
621 for (mb = m; len > 0; mb = mb->m_next) {
622 tlen = MIN(len, M_TRAILINGSPACE(mb));
623
624 usbd_copy_out(pc, offset, mtod(mb, uint8_t *), tlen);
625 mb->m_len = tlen;
626
627 offset += tlen;
628 len -= tlen;
629 }
630
631 return (m);
632 }
633
634 static void
635 ure_bulk_read_callback(struct usb_xfer *xfer, usb_error_t error)
636 {
637 struct ure_softc *sc = usbd_xfer_softc(xfer);
638 struct usb_ether *ue = &sc->sc_ue;
639 struct ifnet *ifp = uether_getifp(ue);
640 struct usb_page_cache *pc;
641 struct mbuf *m;
642 struct ure_rxpkt pkt;
643 int actlen, off, len;
644 int caps;
645 uint32_t pktcsum;
646
647 usbd_xfer_status(xfer, &actlen, NULL, NULL, NULL);
648
649 switch (USB_GET_STATE(xfer)) {
650 case USB_ST_TRANSFERRED:
651 off = 0;
652 pc = usbd_xfer_get_frame(xfer, 0);
653 caps = if_getcapenable(ifp);
654 DEVPRINTFN(13, sc->sc_ue.ue_dev, "rcb start\n");
655 while (actlen > 0) {
656 if (actlen < (int)(sizeof(pkt))) {
657 if_inc_counter(ifp, IFCOUNTER_IERRORS, 1);
658 goto tr_setup;
659 }
660 usbd_copy_out(pc, off, &pkt, sizeof(pkt));
661
662 off += sizeof(pkt);
663 actlen -= sizeof(pkt);
664
665 len = le32toh(pkt.ure_pktlen) & URE_RXPKT_LEN_MASK;
666
667 DEVPRINTFN(13, sc->sc_ue.ue_dev,
668 "rxpkt: %#x, %#x, %#x, %#x, %#x, %#x\n",
669 pkt.ure_pktlen, pkt.ure_csum, pkt.ure_misc,
670 pkt.ure_rsvd2, pkt.ure_rsvd3, pkt.ure_rsvd4);
671 DEVPRINTFN(13, sc->sc_ue.ue_dev, "len: %d\n", len);
672
673 if (len >= URE_RXPKT_LEN_MASK) {
674 /*
675 * drop the rest of this segment. With out
676 * more information, we cannot know where next
677 * packet starts. Blindly continuing would
678 * cause a packet in packet attack, allowing
679 * one VLAN to inject packets w/o a VLAN tag,
680 * or injecting packets into other VLANs.
681 */
682 if_inc_counter(ifp, IFCOUNTER_IERRORS, 1);
683 goto tr_setup;
684 }
685
686 if (actlen < len) {
687 if_inc_counter(ifp, IFCOUNTER_IERRORS, 1);
688 goto tr_setup;
689 }
690
691 if (len >= (ETHER_HDR_LEN + ETHER_CRC_LEN))
692 m = ure_makembuf(pc, off, len - ETHER_CRC_LEN);
693 else
694 m = NULL;
695 if (m == NULL) {
696 if_inc_counter(ifp, IFCOUNTER_IQDROPS, 1);
697 } else {
698 /* make mbuf and queue */
699 pktcsum = le32toh(pkt.ure_csum);
700 if (caps & IFCAP_VLAN_HWTAGGING &&
701 pktcsum & URE_RXPKT_RX_VLAN_TAG) {
702 m->m_pkthdr.ether_vtag =
703 bswap16(pktcsum &
704 URE_RXPKT_VLAN_MASK);
705 m->m_flags |= M_VLANTAG;
706 }
707
708 /* set the necessary flags for rx checksum */
709 ure_rxcsum(caps, &pkt, m);
710
711 uether_rxmbuf(ue, m, len - ETHER_CRC_LEN);
712 }
713
714 off += roundup(len, URE_RXPKT_ALIGN);
715 actlen -= roundup(len, URE_RXPKT_ALIGN);
716 }
717 DEVPRINTFN(13, sc->sc_ue.ue_dev, "rcb end\n");
718
719 /* FALLTHROUGH */
720 case USB_ST_SETUP:
721 tr_setup:
722 usbd_xfer_set_frame_len(xfer, 0, usbd_xfer_max_len(xfer));
723 usbd_transfer_submit(xfer);
724 uether_rxflush(ue);
725 return;
726
727 default: /* Error */
728 DPRINTF("bulk read error, %s\n",
729 usbd_errstr(error));
730
731 if (error != USB_ERR_CANCELLED) {
732 /* try to clear stall first */
733 usbd_xfer_set_stall(xfer);
734 goto tr_setup;
735 }
736 return;
737 }
738 }
739
740 static void
741 ure_bulk_write_callback(struct usb_xfer *xfer, usb_error_t error)
742 {
743 struct ure_softc *sc = usbd_xfer_softc(xfer);
744 struct ifnet *ifp = uether_getifp(&sc->sc_ue);
745 struct usb_page_cache *pc;
746 struct mbuf *m;
747 struct ure_txpkt txpkt;
748 uint32_t regtmp;
749 int len, pos;
750 int rem;
751 int caps;
752
753 switch (USB_GET_STATE(xfer)) {
754 case USB_ST_TRANSFERRED:
755 DPRINTFN(11, "transfer complete\n");
756 ifp->if_drv_flags &= ~IFF_DRV_OACTIVE;
757
758 /* FALLTHROUGH */
759 case USB_ST_SETUP:
760 tr_setup:
761 if ((sc->sc_flags & URE_FLAG_LINK) == 0) {
762 /* don't send anything if there is no link! */
763 break;
764 }
765
766 pc = usbd_xfer_get_frame(xfer, 0);
767 caps = if_getcapenable(ifp);
768
769 pos = 0;
770 rem = URE_TX_BUFSZ;
771 while (rem > sizeof(txpkt)) {
772 IFQ_DRV_DEQUEUE(&ifp->if_snd, m);
773 if (m == NULL)
774 break;
775
776 /*
777 * make sure we don't ever send too large of a
778 * packet
779 */
780 len = m->m_pkthdr.len;
781 if ((len & URE_TXPKT_LEN_MASK) != len) {
782 device_printf(sc->sc_ue.ue_dev,
783 "pkt len too large: %#x", len);
784 pkterror:
785 if_inc_counter(ifp, IFCOUNTER_OERRORS, 1);
786 m_freem(m);
787 continue;
788 }
789
790 if (sizeof(txpkt) +
791 roundup(len, URE_TXPKT_ALIGN) > rem) {
792 /* out of space */
793 IFQ_DRV_PREPEND(&ifp->if_snd, m);
794 m = NULL;
795 break;
796 }
797
798 txpkt = (struct ure_txpkt){};
799 txpkt.ure_pktlen = htole32((len & URE_TXPKT_LEN_MASK) |
800 URE_TKPKT_TX_FS | URE_TKPKT_TX_LS);
801 if (m->m_flags & M_VLANTAG) {
802 txpkt.ure_csum = htole32(
803 bswap16(m->m_pkthdr.ether_vtag &
804 URE_TXPKT_VLAN_MASK) | URE_TXPKT_VLAN);
805 }
806 if (ure_txcsum(m, caps, ®tmp)) {
807 device_printf(sc->sc_ue.ue_dev,
808 "pkt l4 off too large");
809 goto pkterror;
810 }
811 txpkt.ure_csum |= htole32(regtmp);
812
813 DEVPRINTFN(13, sc->sc_ue.ue_dev,
814 "txpkt: mbflg: %#x, %#x, %#x\n",
815 m->m_pkthdr.csum_flags, le32toh(txpkt.ure_pktlen),
816 le32toh(txpkt.ure_csum));
817
818 usbd_copy_in(pc, pos, &txpkt, sizeof(txpkt));
819
820 pos += sizeof(txpkt);
821 rem -= sizeof(txpkt);
822
823 usbd_m_copy_in(pc, pos, m, 0, len);
824
825 pos += roundup(len, URE_TXPKT_ALIGN);
826 rem -= roundup(len, URE_TXPKT_ALIGN);
827
828 if_inc_counter(ifp, IFCOUNTER_OPACKETS, 1);
829
830 /*
831 * If there's a BPF listener, bounce a copy
832 * of this frame to him.
833 */
834 BPF_MTAP(ifp, m);
835
836 m_freem(m);
837 }
838
839 /* no packets to send */
840 if (pos == 0)
841 break;
842
843 /* Set frame length. */
844 usbd_xfer_set_frame_len(xfer, 0, pos);
845
846 usbd_transfer_submit(xfer);
847
848 return;
849
850 default: /* Error */
851 DPRINTFN(11, "transfer error, %s\n",
852 usbd_errstr(error));
853
854 if_inc_counter(ifp, IFCOUNTER_OERRORS, 1);
855 ifp->if_drv_flags &= ~IFF_DRV_OACTIVE;
856
857 if (error == USB_ERR_TIMEOUT) {
858 DEVPRINTFN(12, sc->sc_ue.ue_dev,
859 "pkt tx timeout\n");
860 }
861
862 if (error != USB_ERR_CANCELLED) {
863 /* try to clear stall first */
864 usbd_xfer_set_stall(xfer);
865 goto tr_setup;
866 }
867 }
868 }
869
870 static void
871 ure_read_chipver(struct ure_softc *sc)
872 {
873 uint16_t ver;
874
875 ver = ure_read_2(sc, URE_PLA_TCR1, URE_MCU_TYPE_PLA) & URE_VERSION_MASK;
876 sc->sc_ver = ver;
877 switch (ver) {
878 case 0x4c00:
879 sc->sc_chip |= URE_CHIP_VER_4C00;
880 sc->sc_flags = URE_FLAG_8152;
881 break;
882 case 0x4c10:
883 sc->sc_chip |= URE_CHIP_VER_4C10;
884 sc->sc_flags = URE_FLAG_8152;
885 break;
886 case 0x5c00:
887 sc->sc_chip |= URE_CHIP_VER_5C00;
888 sc->sc_flags = URE_FLAG_8153;
889 break;
890 case 0x5c10:
891 sc->sc_chip |= URE_CHIP_VER_5C10;
892 sc->sc_flags = URE_FLAG_8153;
893 break;
894 case 0x5c20:
895 sc->sc_chip |= URE_CHIP_VER_5C20;
896 sc->sc_flags = URE_FLAG_8153;
897 break;
898 case 0x5c30:
899 sc->sc_chip |= URE_CHIP_VER_5C30;
900 sc->sc_flags = URE_FLAG_8153;
901 break;
902 case 0x6000:
903 sc->sc_flags = URE_FLAG_8153B;
904 sc->sc_chip |= URE_CHIP_VER_6000;
905 break;
906 case 0x6010:
907 sc->sc_flags = URE_FLAG_8153B;
908 sc->sc_chip |= URE_CHIP_VER_6010;
909 break;
910 case 0x7020:
911 sc->sc_flags = URE_FLAG_8156;
912 sc->sc_chip |= URE_CHIP_VER_7020;
913 break;
914 case 0x7030:
915 sc->sc_flags = URE_FLAG_8156;
916 sc->sc_chip |= URE_CHIP_VER_7030;
917 break;
918 case 0x7400:
919 sc->sc_flags = URE_FLAG_8156B;
920 sc->sc_chip |= URE_CHIP_VER_7400;
921 break;
922 case 0x7410:
923 sc->sc_flags = URE_FLAG_8156B;
924 sc->sc_chip |= URE_CHIP_VER_7410;
925 break;
926 default:
927 device_printf(sc->sc_ue.ue_dev,
928 "unknown version 0x%04x\n", ver);
929 break;
930 }
931 }
932
933 static int
934 ure_sysctl_chipver(SYSCTL_HANDLER_ARGS)
935 {
936 struct sbuf sb;
937 struct ure_softc *sc = arg1;
938 int error;
939
940 sbuf_new_for_sysctl(&sb, NULL, 0, req);
941
942 sbuf_printf(&sb, "%04x", sc->sc_ver);
943
944 error = sbuf_finish(&sb);
945 sbuf_delete(&sb);
946
947 return (error);
948 }
949
950 static void
951 ure_attach_post(struct usb_ether *ue)
952 {
953 struct ure_softc *sc = uether_getsc(ue);
954
955 sc->sc_rxstarted = 0;
956 sc->sc_phyno = 0;
957
958 /* Determine the chip version. */
959 ure_read_chipver(sc);
960
961 /* Initialize controller and get station address. */
962 if (sc->sc_flags & URE_FLAG_8152)
963 ure_rtl8152_init(sc);
964 else if (sc->sc_flags & (URE_FLAG_8153B | URE_FLAG_8156 | URE_FLAG_8156B))
965 ure_rtl8153b_init(sc);
966 else
967 ure_rtl8153_init(sc);
968
969 if ((sc->sc_chip & URE_CHIP_VER_4C00) ||
970 (sc->sc_chip & URE_CHIP_VER_4C10))
971 ure_read_mem(sc, URE_PLA_IDR, URE_MCU_TYPE_PLA,
972 ue->ue_eaddr, 8);
973 else
974 ure_read_mem(sc, URE_PLA_BACKUP, URE_MCU_TYPE_PLA,
975 ue->ue_eaddr, 8);
976
977 if (ETHER_IS_ZERO(sc->sc_ue.ue_eaddr)) {
978 device_printf(sc->sc_ue.ue_dev, "MAC assigned randomly\n");
979 arc4rand(sc->sc_ue.ue_eaddr, ETHER_ADDR_LEN, 0);
980 sc->sc_ue.ue_eaddr[0] &= ~0x01; /* unicast */
981 sc->sc_ue.ue_eaddr[0] |= 0x02; /* locally administered */
982 }
983 }
984
985 static int
986 ure_attach_post_sub(struct usb_ether *ue)
987 {
988 struct sysctl_ctx_list *sctx;
989 struct sysctl_oid *soid;
990 struct ure_softc *sc;
991 struct ifnet *ifp;
992 int error;
993
994 sc = uether_getsc(ue);
995 ifp = ue->ue_ifp;
996 ifp->if_flags = IFF_BROADCAST | IFF_SIMPLEX | IFF_MULTICAST;
997 ifp->if_start = uether_start;
998 ifp->if_ioctl = ure_ioctl;
999 ifp->if_init = uether_init;
1000 IFQ_SET_MAXLEN(&ifp->if_snd, ifqmaxlen);
1001 /*
1002 * Try to keep two transfers full at a time.
1003 * ~(TRANSFER_SIZE / 80 bytes/pkt * 2 buffers in flight)
1004 */
1005 ifp->if_snd.ifq_drv_maxlen = 512;
1006 IFQ_SET_READY(&ifp->if_snd);
1007
1008 if_setcapabilitiesbit(ifp, IFCAP_VLAN_MTU, 0);
1009 if_setcapabilitiesbit(ifp, IFCAP_VLAN_HWTAGGING, 0);
1010 if_setcapabilitiesbit(ifp, IFCAP_VLAN_HWCSUM|IFCAP_HWCSUM, 0);
1011 if_sethwassist(ifp, CSUM_IP|CSUM_IP_UDP|CSUM_IP_TCP);
1012 #ifdef INET6
1013 if_setcapabilitiesbit(ifp, IFCAP_HWCSUM_IPV6, 0);
1014 #endif
1015 if_setcapenable(ifp, if_getcapabilities(ifp));
1016
1017 if (sc->sc_flags & (URE_FLAG_8156 | URE_FLAG_8156B)) {
1018 ifmedia_init(&sc->sc_ifmedia, IFM_IMASK, ure_ifmedia_upd,
1019 ure_ifmedia_sts);
1020 ure_add_media_types(sc);
1021 ifmedia_add(&sc->sc_ifmedia, IFM_ETHER | IFM_AUTO, 0, NULL);
1022 ifmedia_set(&sc->sc_ifmedia, IFM_ETHER | IFM_AUTO);
1023 sc->sc_ifmedia.ifm_media = IFM_ETHER | IFM_AUTO;
1024 error = 0;
1025 } else {
1026 bus_topo_lock();
1027 error = mii_attach(ue->ue_dev, &ue->ue_miibus, ifp,
1028 uether_ifmedia_upd, ue->ue_methods->ue_mii_sts,
1029 BMSR_DEFCAPMASK, sc->sc_phyno, MII_OFFSET_ANY, 0);
1030 bus_topo_unlock();
1031 }
1032
1033 sctx = device_get_sysctl_ctx(sc->sc_ue.ue_dev);
1034 soid = device_get_sysctl_tree(sc->sc_ue.ue_dev);
1035 SYSCTL_ADD_PROC(sctx, SYSCTL_CHILDREN(soid), OID_AUTO, "chipver",
1036 CTLTYPE_STRING | CTLFLAG_RD | CTLFLAG_MPSAFE, sc, 0,
1037 ure_sysctl_chipver, "A",
1038 "Return string with chip version.");
1039
1040 return (error);
1041 }
1042
1043 static void
1044 ure_init(struct usb_ether *ue)
1045 {
1046 struct ure_softc *sc = uether_getsc(ue);
1047 struct ifnet *ifp = uether_getifp(ue);
1048 uint16_t cpcr;
1049 uint32_t reg;
1050
1051 URE_LOCK_ASSERT(sc, MA_OWNED);
1052
1053 if ((ifp->if_drv_flags & IFF_DRV_RUNNING) != 0)
1054 return;
1055
1056 /* Cancel pending I/O. */
1057 ure_stop(ue);
1058
1059 if (sc->sc_flags & (URE_FLAG_8153B | URE_FLAG_8156 | URE_FLAG_8156B))
1060 ure_rtl8153b_nic_reset(sc);
1061 else
1062 ure_reset(sc);
1063
1064 /* Set MAC address. */
1065 ure_write_1(sc, URE_PLA_CRWECR, URE_MCU_TYPE_PLA, URE_CRWECR_CONFIG);
1066 ure_write_mem(sc, URE_PLA_IDR, URE_MCU_TYPE_PLA | URE_BYTE_EN_SIX_BYTES,
1067 IF_LLADDR(ifp), 8);
1068 ure_write_1(sc, URE_PLA_CRWECR, URE_MCU_TYPE_PLA, URE_CRWECR_NORAML);
1069
1070 /* Set RX EARLY timeout and size */
1071 if (sc->sc_flags & URE_FLAG_8153) {
1072 switch (usbd_get_speed(sc->sc_ue.ue_udev)) {
1073 case USB_SPEED_SUPER:
1074 reg = URE_COALESCE_SUPER / 8;
1075 break;
1076 case USB_SPEED_HIGH:
1077 reg = URE_COALESCE_HIGH / 8;
1078 break;
1079 default:
1080 reg = URE_COALESCE_SLOW / 8;
1081 break;
1082 }
1083 ure_write_2(sc, URE_USB_RX_EARLY_AGG, URE_MCU_TYPE_USB, reg);
1084 reg = URE_8153_RX_BUFSZ - (URE_FRAMELEN(if_getmtu(ifp)) +
1085 sizeof(struct ure_rxpkt) + URE_RXPKT_ALIGN);
1086 ure_write_2(sc, URE_USB_RX_EARLY_SIZE, URE_MCU_TYPE_USB, reg / 4);
1087 } else if (sc->sc_flags & URE_FLAG_8153B) {
1088 ure_write_2(sc, URE_USB_RX_EARLY_AGG, URE_MCU_TYPE_USB, 158);
1089 ure_write_2(sc, URE_USB_RX_EXTRA_AGG_TMR, URE_MCU_TYPE_USB, 1875);
1090 reg = URE_8153_RX_BUFSZ - (URE_FRAMELEN(if_getmtu(ifp)) +
1091 sizeof(struct ure_rxpkt) + URE_RXPKT_ALIGN);
1092 ure_write_2(sc, URE_USB_RX_EARLY_SIZE, URE_MCU_TYPE_USB, reg / 8);
1093 ure_write_1(sc, URE_USB_UPT_RXDMA_OWN, URE_MCU_TYPE_USB,
1094 URE_OWN_UPDATE | URE_OWN_CLEAR);
1095 } else if (sc->sc_flags & (URE_FLAG_8156 | URE_FLAG_8156B)) {
1096 ure_write_2(sc, URE_USB_RX_EARLY_AGG, URE_MCU_TYPE_USB, 80);
1097 ure_write_2(sc, URE_USB_RX_EXTRA_AGG_TMR, URE_MCU_TYPE_USB, 1875);
1098 reg = URE_8156_RX_BUFSZ - (URE_FRAMELEN(if_getmtu(ifp)) +
1099 sizeof(struct ure_rxpkt) + URE_RXPKT_ALIGN);
1100 ure_write_2(sc, URE_USB_RX_EARLY_SIZE, URE_MCU_TYPE_USB, reg / 8);
1101 ure_write_1(sc, URE_USB_UPT_RXDMA_OWN, URE_MCU_TYPE_USB,
1102 URE_OWN_UPDATE | URE_OWN_CLEAR);
1103 }
1104
1105 if (sc->sc_flags & URE_FLAG_8156B) {
1106 URE_CLRBIT_2(sc, URE_USB_FW_TASK, URE_MCU_TYPE_USB, URE_FC_PATCH_TASK);
1107 uether_pause(&sc->sc_ue, hz / 500);
1108 URE_SETBIT_2(sc, URE_USB_FW_TASK, URE_MCU_TYPE_USB, URE_FC_PATCH_TASK);
1109 }
1110
1111 /* Reset the packet filter. */
1112 URE_CLRBIT_2(sc, URE_PLA_FMC, URE_MCU_TYPE_PLA, URE_FMC_FCR_MCU_EN);
1113 URE_SETBIT_2(sc, URE_PLA_FMC, URE_MCU_TYPE_PLA, URE_FMC_FCR_MCU_EN);
1114
1115 /* Enable RX VLANs if enabled */
1116 cpcr = ure_read_2(sc, URE_PLA_CPCR, URE_MCU_TYPE_PLA);
1117 if (if_getcapenable(ifp) & IFCAP_VLAN_HWTAGGING) {
1118 DEVPRINTFN(12, sc->sc_ue.ue_dev, "enabled hw vlan tag\n");
1119 cpcr |= URE_CPCR_RX_VLAN;
1120 } else {
1121 DEVPRINTFN(12, sc->sc_ue.ue_dev, "disabled hw vlan tag\n");
1122 cpcr &= ~URE_CPCR_RX_VLAN;
1123 }
1124 ure_write_2(sc, URE_PLA_CPCR, URE_MCU_TYPE_PLA, cpcr);
1125
1126 /* Enable transmit and receive. */
1127 URE_SETBIT_1(sc, URE_PLA_CR, URE_MCU_TYPE_PLA, URE_CR_RE | URE_CR_TE);
1128
1129 URE_CLRBIT_2(sc, URE_PLA_MISC_1, URE_MCU_TYPE_PLA, URE_RXDY_GATED_EN);
1130
1131 /* Configure RX filters. */
1132 ure_rxfilter(ue);
1133
1134 usbd_xfer_set_stall(sc->sc_tx_xfer[0]);
1135
1136 /* Indicate we are up and running. */
1137 ifp->if_drv_flags |= IFF_DRV_RUNNING;
1138
1139 /* Switch to selected media. */
1140 ure_ifmedia_upd(ifp);
1141 }
1142
1143 static void
1144 ure_tick(struct usb_ether *ue)
1145 {
1146 struct ure_softc *sc = uether_getsc(ue);
1147 struct ifnet *ifp = uether_getifp(ue);
1148 struct mii_data *mii;
1149
1150 URE_LOCK_ASSERT(sc, MA_OWNED);
1151
1152 (void)ifp;
1153 for (int i = 0; i < URE_MAX_RX; i++)
1154 DEVPRINTFN(13, sc->sc_ue.ue_dev,
1155 "rx[%d] = %d\n", i, USB_GET_STATE(sc->sc_rx_xfer[i]));
1156
1157 for (int i = 0; i < URE_MAX_TX; i++)
1158 DEVPRINTFN(13, sc->sc_ue.ue_dev,
1159 "tx[%d] = %d\n", i, USB_GET_STATE(sc->sc_tx_xfer[i]));
1160
1161 if (sc->sc_flags & (URE_FLAG_8156 | URE_FLAG_8156B)) {
1162 ure_link_state(sc);
1163 } else {
1164 mii = GET_MII(sc);
1165 mii_tick(mii);
1166 if ((sc->sc_flags & URE_FLAG_LINK) == 0
1167 && mii->mii_media_status & IFM_ACTIVE &&
1168 IFM_SUBTYPE(mii->mii_media_active) != IFM_NONE) {
1169 sc->sc_flags |= URE_FLAG_LINK;
1170 sc->sc_rxstarted = 0;
1171 ure_start(ue);
1172 }
1173 }
1174 }
1175
1176 static u_int
1177 ure_hash_maddr(void *arg, struct sockaddr_dl *sdl, u_int cnt)
1178 {
1179 uint32_t h, *hashes = arg;
1180
1181 h = ether_crc32_be(LLADDR(sdl), ETHER_ADDR_LEN) >> 26;
1182 if (h < 32)
1183 hashes[0] |= (1 << h);
1184 else
1185 hashes[1] |= (1 << (h - 32));
1186 return (1);
1187 }
1188
1189 /*
1190 * Program the 64-bit multicast hash filter.
1191 */
1192 static void
1193 ure_rxfilter(struct usb_ether *ue)
1194 {
1195 struct ure_softc *sc = uether_getsc(ue);
1196 struct ifnet *ifp = uether_getifp(ue);
1197 uint32_t rxmode;
1198 uint32_t h, hashes[2] = { 0, 0 };
1199
1200 URE_LOCK_ASSERT(sc, MA_OWNED);
1201
1202 rxmode = ure_read_4(sc, URE_PLA_RCR, URE_MCU_TYPE_PLA);
1203 rxmode &= ~(URE_RCR_AAP | URE_RCR_AM);
1204 rxmode |= URE_RCR_APM; /* accept physical match packets */
1205 rxmode |= URE_RCR_AB; /* always accept broadcasts */
1206 if (ifp->if_flags & (IFF_ALLMULTI | IFF_PROMISC)) {
1207 if (ifp->if_flags & IFF_PROMISC)
1208 rxmode |= URE_RCR_AAP;
1209 rxmode |= URE_RCR_AM;
1210 hashes[0] = hashes[1] = 0xffffffff;
1211 goto done;
1212 }
1213
1214 /* calculate multicast masks */
1215 if_foreach_llmaddr(ifp, ure_hash_maddr, &hashes);
1216
1217 h = bswap32(hashes[0]);
1218 hashes[0] = bswap32(hashes[1]);
1219 hashes[1] = h;
1220 rxmode |= URE_RCR_AM; /* accept multicast packets */
1221
1222 done:
1223 DEVPRINTFN(14, ue->ue_dev, "rxfilt: RCR: %#x\n",
1224 ure_read_4(sc, URE_PLA_RCR, URE_MCU_TYPE_PLA));
1225 ure_write_4(sc, URE_PLA_MAR0, URE_MCU_TYPE_PLA, hashes[0]);
1226 ure_write_4(sc, URE_PLA_MAR4, URE_MCU_TYPE_PLA, hashes[1]);
1227 ure_write_4(sc, URE_PLA_RCR, URE_MCU_TYPE_PLA, rxmode);
1228 }
1229
1230 static void
1231 ure_start(struct usb_ether *ue)
1232 {
1233 struct ure_softc *sc = uether_getsc(ue);
1234 unsigned i;
1235
1236 URE_LOCK_ASSERT(sc, MA_OWNED);
1237
1238 if (!sc->sc_rxstarted) {
1239 sc->sc_rxstarted = 1;
1240 for (i = 0; i != URE_MAX_RX; i++)
1241 usbd_transfer_start(sc->sc_rx_xfer[i]);
1242 }
1243
1244 for (i = 0; i != URE_MAX_TX; i++)
1245 usbd_transfer_start(sc->sc_tx_xfer[i]);
1246 }
1247
1248 static void
1249 ure_reset(struct ure_softc *sc)
1250 {
1251 int i;
1252
1253 ure_write_1(sc, URE_PLA_CR, URE_MCU_TYPE_PLA, URE_CR_RST);
1254
1255 for (i = 0; i < URE_TIMEOUT; i++) {
1256 if (!(ure_read_1(sc, URE_PLA_CR, URE_MCU_TYPE_PLA) &
1257 URE_CR_RST))
1258 break;
1259 uether_pause(&sc->sc_ue, hz / 100);
1260 }
1261 if (i == URE_TIMEOUT)
1262 device_printf(sc->sc_ue.ue_dev, "reset never completed\n");
1263 }
1264
1265 /*
1266 * Set media options.
1267 */
1268 static int
1269 ure_ifmedia_upd(struct ifnet *ifp)
1270 {
1271 struct ure_softc *sc = ifp->if_softc;
1272 struct ifmedia *ifm;
1273 struct mii_data *mii;
1274 struct mii_softc *miisc;
1275 int gig;
1276 int reg;
1277 int anar;
1278 int locked;
1279 int error;
1280
1281 if (sc->sc_flags & (URE_FLAG_8156 | URE_FLAG_8156B)) {
1282 ifm = &sc->sc_ifmedia;
1283 if (IFM_TYPE(ifm->ifm_media) != IFM_ETHER)
1284 return (EINVAL);
1285
1286 locked = mtx_owned(&sc->sc_mtx);
1287 if (!locked)
1288 URE_LOCK(sc);
1289 reg = ure_ocp_reg_read(sc, 0xa5d4);
1290 reg &= ~URE_ADV_2500TFDX;
1291
1292 anar = gig = 0;
1293 switch (IFM_SUBTYPE(ifm->ifm_media)) {
1294 case IFM_AUTO:
1295 anar |= ANAR_TX_FD | ANAR_TX | ANAR_10_FD | ANAR_10;
1296 gig |= GTCR_ADV_1000TFDX | GTCR_ADV_1000THDX;
1297 reg |= URE_ADV_2500TFDX;
1298 break;
1299 case IFM_2500_T:
1300 anar |= ANAR_TX_FD | ANAR_TX | ANAR_10_FD | ANAR_10;
1301 gig |= GTCR_ADV_1000TFDX | GTCR_ADV_1000THDX;
1302 reg |= URE_ADV_2500TFDX;
1303 ifp->if_baudrate = IF_Mbps(2500);
1304 break;
1305 case IFM_1000_T:
1306 anar |= ANAR_TX_FD | ANAR_TX | ANAR_10_FD | ANAR_10;
1307 gig |= GTCR_ADV_1000TFDX | GTCR_ADV_1000THDX;
1308 ifp->if_baudrate = IF_Gbps(1);
1309 break;
1310 case IFM_100_TX:
1311 anar |= ANAR_TX | ANAR_TX_FD;
1312 ifp->if_baudrate = IF_Mbps(100);
1313 break;
1314 case IFM_10_T:
1315 anar |= ANAR_10 | ANAR_10_FD;
1316 ifp->if_baudrate = IF_Mbps(10);
1317 break;
1318 default:
1319 device_printf(sc->sc_ue.ue_dev, "unsupported media type\n");
1320 if (!locked)
1321 URE_UNLOCK(sc);
1322 return (EINVAL);
1323 }
1324
1325 ure_ocp_reg_write(sc, URE_OCP_BASE_MII + MII_ANAR * 2,
1326 anar | ANAR_PAUSE_ASYM | ANAR_FC);
1327 ure_ocp_reg_write(sc, URE_OCP_BASE_MII + MII_100T2CR * 2, gig);
1328 ure_ocp_reg_write(sc, 0xa5d4, reg);
1329 ure_ocp_reg_write(sc, URE_OCP_BASE_MII + MII_BMCR,
1330 BMCR_AUTOEN | BMCR_STARTNEG);
1331 if (!locked)
1332 URE_UNLOCK(sc);
1333 return (0);
1334 }
1335
1336 mii = GET_MII(sc);
1337
1338 URE_LOCK_ASSERT(sc, MA_OWNED);
1339 LIST_FOREACH(miisc, &mii->mii_phys, mii_list)
1340 PHY_RESET(miisc);
1341 error = mii_mediachg(mii);
1342 return (error);
1343 }
1344
1345 /*
1346 * Report current media status.
1347 */
1348 static void
1349 ure_ifmedia_sts(struct ifnet *ifp, struct ifmediareq *ifmr)
1350 {
1351 struct ure_softc *sc;
1352 struct mii_data *mii;
1353 uint16_t status;
1354
1355 sc = ifp->if_softc;
1356 if (sc->sc_flags & (URE_FLAG_8156 | URE_FLAG_8156B)) {
1357 URE_LOCK(sc);
1358 ifmr->ifm_status = IFM_AVALID;
1359 if (ure_get_link_status(sc)) {
1360 ifmr->ifm_status |= IFM_ACTIVE;
1361 status = ure_read_2(sc, URE_PLA_PHYSTATUS,
1362 URE_MCU_TYPE_PLA);
1363 if ((status & URE_PHYSTATUS_FDX) ||
1364 (status & URE_PHYSTATUS_2500MBPS))
1365 ifmr->ifm_active |= IFM_FDX;
1366 else
1367 ifmr->ifm_active |= IFM_HDX;
1368 if (status & URE_PHYSTATUS_10MBPS)
1369 ifmr->ifm_active |= IFM_10_T;
1370 else if (status & URE_PHYSTATUS_100MBPS)
1371 ifmr->ifm_active |= IFM_100_TX;
1372 else if (status & URE_PHYSTATUS_1000MBPS)
1373 ifmr->ifm_active |= IFM_1000_T;
1374 else if (status & URE_PHYSTATUS_2500MBPS)
1375 ifmr->ifm_active |= IFM_2500_T;
1376 }
1377 URE_UNLOCK(sc);
1378 return;
1379 }
1380
1381 mii = GET_MII(sc);
1382
1383 URE_LOCK(sc);
1384 mii_pollstat(mii);
1385 ifmr->ifm_active = mii->mii_media_active;
1386 ifmr->ifm_status = mii->mii_media_status;
1387 URE_UNLOCK(sc);
1388 }
1389
1390 static void
1391 ure_add_media_types(struct ure_softc *sc)
1392 {
1393 ifmedia_add(&sc->sc_ifmedia, IFM_ETHER | IFM_10_T, 0, NULL);
1394 ifmedia_add(&sc->sc_ifmedia, IFM_ETHER | IFM_10_T | IFM_FDX, 0, NULL);
1395 ifmedia_add(&sc->sc_ifmedia, IFM_ETHER | IFM_100_TX, 0, NULL);
1396 ifmedia_add(&sc->sc_ifmedia, IFM_ETHER | IFM_100_TX | IFM_FDX, 0, NULL);
1397 ifmedia_add(&sc->sc_ifmedia, IFM_ETHER | IFM_1000_T | IFM_FDX, 0, NULL);
1398 ifmedia_add(&sc->sc_ifmedia, IFM_ETHER | IFM_2500_T | IFM_FDX, 0, NULL);
1399 }
1400
1401 static void
1402 ure_link_state(struct ure_softc *sc)
1403 {
1404 struct ifnet *ifp = uether_getifp(&sc->sc_ue);
1405
1406 if (ure_get_link_status(sc)) {
1407 if (ifp->if_link_state != LINK_STATE_UP) {
1408 if_link_state_change(ifp, LINK_STATE_UP);
1409 /* Enable transmit and receive. */
1410 URE_SETBIT_1(sc, URE_PLA_CR, URE_MCU_TYPE_PLA, URE_CR_RE | URE_CR_TE);
1411
1412 if (ure_read_2(sc, URE_PLA_PHYSTATUS, URE_MCU_TYPE_PLA) &
1413 URE_PHYSTATUS_2500MBPS)
1414 URE_CLRBIT_2(sc, URE_PLA_MAC_PWR_CTRL4, URE_MCU_TYPE_PLA, 0x40);
1415 else
1416 URE_SETBIT_2(sc, URE_PLA_MAC_PWR_CTRL4, URE_MCU_TYPE_PLA, 0x40);
1417 }
1418 } else {
1419 if (ifp->if_link_state != LINK_STATE_DOWN) {
1420 if_link_state_change(ifp, LINK_STATE_DOWN);
1421 }
1422 }
1423 }
1424
1425 static int
1426 ure_get_link_status(struct ure_softc *sc)
1427 {
1428 if (ure_read_2(sc, URE_PLA_PHYSTATUS, URE_MCU_TYPE_PLA) &
1429 URE_PHYSTATUS_LINK) {
1430 sc->sc_flags |= URE_FLAG_LINK;
1431 return (1);
1432 } else {
1433 sc->sc_flags &= ~URE_FLAG_LINK;
1434 return (0);
1435 }
1436 }
1437
1438 static int
1439 ure_ioctl(struct ifnet *ifp, u_long cmd, caddr_t data)
1440 {
1441 struct usb_ether *ue = ifp->if_softc;
1442 struct ure_softc *sc;
1443 struct ifreq *ifr;
1444 int error, mask, reinit;
1445
1446 sc = uether_getsc(ue);
1447 ifr = (struct ifreq *)data;
1448 error = 0;
1449 reinit = 0;
1450 switch (cmd) {
1451 case SIOCSIFCAP:
1452 URE_LOCK(sc);
1453 mask = ifr->ifr_reqcap ^ ifp->if_capenable;
1454 if ((mask & IFCAP_VLAN_HWTAGGING) != 0 &&
1455 (ifp->if_capabilities & IFCAP_VLAN_HWTAGGING) != 0) {
1456 ifp->if_capenable ^= IFCAP_VLAN_HWTAGGING;
1457 reinit++;
1458 }
1459 if ((mask & IFCAP_TXCSUM) != 0 &&
1460 (ifp->if_capabilities & IFCAP_TXCSUM) != 0) {
1461 ifp->if_capenable ^= IFCAP_TXCSUM;
1462 }
1463 if ((mask & IFCAP_RXCSUM) != 0 &&
1464 (ifp->if_capabilities & IFCAP_RXCSUM) != 0) {
1465 ifp->if_capenable ^= IFCAP_RXCSUM;
1466 }
1467 if ((mask & IFCAP_TXCSUM_IPV6) != 0 &&
1468 (ifp->if_capabilities & IFCAP_TXCSUM_IPV6) != 0) {
1469 ifp->if_capenable ^= IFCAP_TXCSUM_IPV6;
1470 }
1471 if ((mask & IFCAP_RXCSUM_IPV6) != 0 &&
1472 (ifp->if_capabilities & IFCAP_RXCSUM_IPV6) != 0) {
1473 ifp->if_capenable ^= IFCAP_RXCSUM_IPV6;
1474 }
1475 if (reinit > 0 && ifp->if_drv_flags & IFF_DRV_RUNNING)
1476 ifp->if_drv_flags &= ~IFF_DRV_RUNNING;
1477 else
1478 reinit = 0;
1479 URE_UNLOCK(sc);
1480 if (reinit > 0)
1481 uether_init(ue);
1482 break;
1483
1484 case SIOCSIFMTU:
1485 /*
1486 * in testing large MTUs "crashes" the device, it
1487 * leaves the device w/ a broken state where link
1488 * is in a bad state.
1489 */
1490 if (ifr->ifr_mtu < ETHERMIN ||
1491 ifr->ifr_mtu > (4096 - ETHER_HDR_LEN -
1492 ETHER_VLAN_ENCAP_LEN - ETHER_CRC_LEN)) {
1493 error = EINVAL;
1494 break;
1495 }
1496 URE_LOCK(sc);
1497 if (if_getmtu(ifp) != ifr->ifr_mtu)
1498 if_setmtu(ifp, ifr->ifr_mtu);
1499 URE_UNLOCK(sc);
1500 break;
1501
1502 case SIOCGIFMEDIA:
1503 case SIOCSIFMEDIA:
1504 if (sc->sc_flags & (URE_FLAG_8156 | URE_FLAG_8156B))
1505 error = ifmedia_ioctl(ifp, ifr, &sc->sc_ifmedia, cmd);
1506 else
1507 error = uether_ioctl(ifp, cmd, data);
1508 break;
1509
1510 default:
1511 error = uether_ioctl(ifp, cmd, data);
1512 break;
1513 }
1514
1515 return (error);
1516 }
1517
1518 static void
1519 ure_rtl8152_init(struct ure_softc *sc)
1520 {
1521 uint32_t pwrctrl;
1522
1523 ure_enable_aldps(sc, false);
1524
1525 if (sc->sc_chip & URE_CHIP_VER_4C00) {
1526 URE_CLRBIT_2(sc, URE_PLA_LED_FEATURE, URE_MCU_TYPE_PLA, URE_LED_MODE_MASK);
1527 }
1528
1529 URE_CLRBIT_2(sc, URE_USB_UPS_CTRL, URE_MCU_TYPE_USB, URE_POWER_CUT);
1530
1531 URE_CLRBIT_2(sc, URE_USB_PM_CTRL_STATUS, URE_MCU_TYPE_USB, URE_RESUME_INDICATE);
1532
1533 URE_SETBIT_2(sc, URE_PLA_PHY_PWR, URE_MCU_TYPE_PLA, URE_TX_10M_IDLE_EN | URE_PFM_PWM_SWITCH);
1534
1535 pwrctrl = ure_read_4(sc, URE_PLA_MAC_PWR_CTRL, URE_MCU_TYPE_PLA);
1536 pwrctrl &= ~URE_MCU_CLK_RATIO_MASK;
1537 pwrctrl |= URE_MCU_CLK_RATIO | URE_D3_CLK_GATED_EN;
1538 ure_write_4(sc, URE_PLA_MAC_PWR_CTRL, URE_MCU_TYPE_PLA, pwrctrl);
1539 ure_write_2(sc, URE_PLA_GPHY_INTR_IMR, URE_MCU_TYPE_PLA,
1540 URE_GPHY_STS_MSK | URE_SPEED_DOWN_MSK | URE_SPDWN_RXDV_MSK |
1541 URE_SPDWN_LINKCHG_MSK);
1542
1543 /* Enable Rx aggregation. */
1544 URE_CLRBIT_2(sc, URE_USB_USB_CTRL, URE_MCU_TYPE_USB, URE_RX_AGG_DISABLE | URE_RX_ZERO_EN);
1545
1546 ure_enable_aldps(sc, false);
1547
1548 ure_rtl8152_nic_reset(sc);
1549
1550 ure_write_1(sc, URE_USB_TX_AGG, URE_MCU_TYPE_USB,
1551 URE_TX_AGG_MAX_THRESHOLD);
1552 ure_write_4(sc, URE_USB_RX_BUF_TH, URE_MCU_TYPE_USB, URE_RX_THR_HIGH);
1553 ure_write_4(sc, URE_USB_TX_DMA, URE_MCU_TYPE_USB,
1554 URE_TEST_MODE_DISABLE | URE_TX_SIZE_ADJUST1);
1555 }
1556
1557 static void
1558 ure_rtl8153_init(struct ure_softc *sc)
1559 {
1560 uint16_t val;
1561 uint8_t u1u2[8];
1562 int i;
1563
1564 ure_enable_aldps(sc, false);
1565
1566 memset(u1u2, 0x00, sizeof(u1u2));
1567 ure_write_mem(sc, URE_USB_TOLERANCE,
1568 URE_MCU_TYPE_USB | URE_BYTE_EN_SIX_BYTES, u1u2, sizeof(u1u2));
1569
1570 for (i = 0; i < URE_TIMEOUT; i++) {
1571 if (ure_read_2(sc, URE_PLA_BOOT_CTRL, URE_MCU_TYPE_PLA) &
1572 URE_AUTOLOAD_DONE)
1573 break;
1574 uether_pause(&sc->sc_ue, hz / 100);
1575 }
1576 if (i == URE_TIMEOUT)
1577 device_printf(sc->sc_ue.ue_dev,
1578 "timeout waiting for chip autoload\n");
1579
1580 for (i = 0; i < URE_TIMEOUT; i++) {
1581 val = ure_ocp_reg_read(sc, URE_OCP_PHY_STATUS) &
1582 URE_PHY_STAT_MASK;
1583 if (val == URE_PHY_STAT_LAN_ON || val == URE_PHY_STAT_PWRDN)
1584 break;
1585 uether_pause(&sc->sc_ue, hz / 100);
1586 }
1587 if (i == URE_TIMEOUT)
1588 device_printf(sc->sc_ue.ue_dev,
1589 "timeout waiting for phy to stabilize\n");
1590
1591 URE_CLRBIT_2(sc, URE_USB_U2P3_CTRL, URE_MCU_TYPE_USB, URE_U2P3_ENABLE);
1592
1593 if (sc->sc_chip & URE_CHIP_VER_5C10) {
1594 val = ure_read_2(sc, URE_USB_SSPHYLINK2, URE_MCU_TYPE_USB);
1595 val &= ~URE_PWD_DN_SCALE_MASK;
1596 val |= URE_PWD_DN_SCALE(96);
1597 ure_write_2(sc, URE_USB_SSPHYLINK2, URE_MCU_TYPE_USB, val);
1598
1599 URE_SETBIT_1(sc, URE_USB_USB2PHY, URE_MCU_TYPE_USB, URE_USB2PHY_L1 | URE_USB2PHY_SUSPEND);
1600 } else if (sc->sc_chip & URE_CHIP_VER_5C20)
1601 URE_CLRBIT_1(sc, URE_PLA_DMY_REG0, URE_MCU_TYPE_PLA, URE_ECM_ALDPS);
1602
1603 if (sc->sc_chip & (URE_CHIP_VER_5C20 | URE_CHIP_VER_5C30)) {
1604 val = ure_read_1(sc, URE_USB_CSR_DUMMY1, URE_MCU_TYPE_USB);
1605 if (ure_read_2(sc, URE_USB_BURST_SIZE, URE_MCU_TYPE_USB) ==
1606 0)
1607 val &= ~URE_DYNAMIC_BURST;
1608 else
1609 val |= URE_DYNAMIC_BURST;
1610 ure_write_1(sc, URE_USB_CSR_DUMMY1, URE_MCU_TYPE_USB, val);
1611 }
1612
1613 URE_SETBIT_1(sc, URE_USB_CSR_DUMMY2, URE_MCU_TYPE_USB, URE_EP4_FULL_FC);
1614
1615 URE_CLRBIT_2(sc, URE_USB_WDT11_CTRL, URE_MCU_TYPE_USB, URE_TIMER11_EN);
1616
1617 URE_CLRBIT_2(sc, URE_PLA_LED_FEATURE, URE_MCU_TYPE_PLA, URE_LED_MODE_MASK);
1618
1619 if ((sc->sc_chip & URE_CHIP_VER_5C10) &&
1620 usbd_get_speed(sc->sc_ue.ue_udev) != USB_SPEED_SUPER)
1621 val = URE_LPM_TIMER_500MS;
1622 else
1623 val = URE_LPM_TIMER_500US;
1624 ure_write_1(sc, URE_USB_LPM_CTRL, URE_MCU_TYPE_USB,
1625 val | URE_FIFO_EMPTY_1FB | URE_ROK_EXIT_LPM);
1626
1627 val = ure_read_2(sc, URE_USB_AFE_CTRL2, URE_MCU_TYPE_USB);
1628 val &= ~URE_SEN_VAL_MASK;
1629 val |= URE_SEN_VAL_NORMAL | URE_SEL_RXIDLE;
1630 ure_write_2(sc, URE_USB_AFE_CTRL2, URE_MCU_TYPE_USB, val);
1631
1632 ure_write_2(sc, URE_USB_CONNECT_TIMER, URE_MCU_TYPE_USB, 0x0001);
1633
1634 URE_CLRBIT_2(sc, URE_USB_POWER_CUT, URE_MCU_TYPE_USB, URE_PWR_EN | URE_PHASE2_EN);
1635
1636 URE_CLRBIT_2(sc, URE_USB_MISC_0, URE_MCU_TYPE_USB, URE_PCUT_STATUS);
1637
1638 memset(u1u2, 0xff, sizeof(u1u2));
1639 ure_write_mem(sc, URE_USB_TOLERANCE,
1640 URE_MCU_TYPE_USB | URE_BYTE_EN_SIX_BYTES, u1u2, sizeof(u1u2));
1641
1642 ure_write_2(sc, URE_PLA_MAC_PWR_CTRL, URE_MCU_TYPE_PLA,
1643 URE_ALDPS_SPDWN_RATIO);
1644 ure_write_2(sc, URE_PLA_MAC_PWR_CTRL2, URE_MCU_TYPE_PLA,
1645 URE_EEE_SPDWN_RATIO);
1646 ure_write_2(sc, URE_PLA_MAC_PWR_CTRL3, URE_MCU_TYPE_PLA,
1647 URE_PKT_AVAIL_SPDWN_EN | URE_SUSPEND_SPDWN_EN |
1648 URE_U1U2_SPDWN_EN | URE_L1_SPDWN_EN);
1649 ure_write_2(sc, URE_PLA_MAC_PWR_CTRL4, URE_MCU_TYPE_PLA,
1650 URE_PWRSAVE_SPDWN_EN | URE_RXDV_SPDWN_EN | URE_TX10MIDLE_EN |
1651 URE_TP100_SPDWN_EN | URE_TP500_SPDWN_EN | URE_TP1000_SPDWN_EN |
1652 URE_EEE_SPDWN_EN);
1653
1654 val = ure_read_2(sc, URE_USB_U2P3_CTRL, URE_MCU_TYPE_USB);
1655 if (!(sc->sc_chip & (URE_CHIP_VER_5C00 | URE_CHIP_VER_5C10)))
1656 val |= URE_U2P3_ENABLE;
1657 else
1658 val &= ~URE_U2P3_ENABLE;
1659 ure_write_2(sc, URE_USB_U2P3_CTRL, URE_MCU_TYPE_USB, val);
1660
1661 memset(u1u2, 0x00, sizeof(u1u2));
1662 ure_write_mem(sc, URE_USB_TOLERANCE,
1663 URE_MCU_TYPE_USB | URE_BYTE_EN_SIX_BYTES, u1u2, sizeof(u1u2));
1664
1665 ure_enable_aldps(sc, false);
1666
1667 if (sc->sc_chip & (URE_CHIP_VER_5C00 | URE_CHIP_VER_5C10 |
1668 URE_CHIP_VER_5C20)) {
1669 ure_ocp_reg_write(sc, URE_OCP_ADC_CFG,
1670 URE_CKADSEL_L | URE_ADC_EN | URE_EN_EMI_L);
1671 }
1672 if (sc->sc_chip & URE_CHIP_VER_5C00) {
1673 ure_ocp_reg_write(sc, URE_OCP_EEE_CFG,
1674 ure_ocp_reg_read(sc, URE_OCP_EEE_CFG) &
1675 ~URE_CTAP_SHORT_EN);
1676 }
1677 ure_ocp_reg_write(sc, URE_OCP_POWER_CFG,
1678 ure_ocp_reg_read(sc, URE_OCP_POWER_CFG) |
1679 URE_EEE_CLKDIV_EN);
1680 ure_ocp_reg_write(sc, URE_OCP_DOWN_SPEED,
1681 ure_ocp_reg_read(sc, URE_OCP_DOWN_SPEED) |
1682 URE_EN_10M_BGOFF);
1683 ure_ocp_reg_write(sc, URE_OCP_POWER_CFG,
1684 ure_ocp_reg_read(sc, URE_OCP_POWER_CFG) |
1685 URE_EN_10M_PLLOFF);
1686 ure_sram_write(sc, URE_SRAM_IMPEDANCE, 0x0b13);
1687 URE_SETBIT_2(sc, URE_PLA_PHY_PWR, URE_MCU_TYPE_PLA, URE_PFM_PWM_SWITCH);
1688
1689 /* Enable LPF corner auto tune. */
1690 ure_sram_write(sc, URE_SRAM_LPF_CFG, 0xf70f);
1691
1692 /* Adjust 10M amplitude. */
1693 ure_sram_write(sc, URE_SRAM_10M_AMP1, 0x00af);
1694 ure_sram_write(sc, URE_SRAM_10M_AMP2, 0x0208);
1695
1696 ure_rtl8152_nic_reset(sc);
1697
1698 /* Enable Rx aggregation. */
1699 URE_CLRBIT_2(sc, URE_USB_USB_CTRL, URE_MCU_TYPE_USB, URE_RX_AGG_DISABLE | URE_RX_ZERO_EN);
1700
1701 val = ure_read_2(sc, URE_USB_U2P3_CTRL, URE_MCU_TYPE_USB);
1702 if (!(sc->sc_chip & (URE_CHIP_VER_5C00 | URE_CHIP_VER_5C10)))
1703 val |= URE_U2P3_ENABLE;
1704 else
1705 val &= ~URE_U2P3_ENABLE;
1706 ure_write_2(sc, URE_USB_U2P3_CTRL, URE_MCU_TYPE_USB, val);
1707
1708 memset(u1u2, 0xff, sizeof(u1u2));
1709 ure_write_mem(sc, URE_USB_TOLERANCE,
1710 URE_MCU_TYPE_USB | URE_BYTE_EN_SIX_BYTES, u1u2, sizeof(u1u2));
1711 }
1712
1713 static void
1714 ure_rtl8153b_init(struct ure_softc *sc)
1715 {
1716 uint16_t val;
1717 int i;
1718
1719 if (sc->sc_flags & (URE_FLAG_8156 | URE_FLAG_8156B)) {
1720 URE_CLRBIT_1(sc, 0xd26b, URE_MCU_TYPE_USB, 0x01);
1721 ure_write_2(sc, 0xd32a, URE_MCU_TYPE_USB, 0);
1722 URE_SETBIT_2(sc, 0xcfee, URE_MCU_TYPE_USB, 0x0020);
1723 }
1724
1725 if (sc->sc_flags & URE_FLAG_8156B) {
1726 URE_SETBIT_2(sc, 0xb460, URE_MCU_TYPE_USB, 0x08);
1727 }
1728
1729 ure_enable_aldps(sc, false);
1730
1731 /* Disable U1U2 */
1732 URE_CLRBIT_2(sc, URE_USB_LPM_CONFIG, URE_MCU_TYPE_USB, URE_LPM_U1U2_EN);
1733
1734 /* Wait loading flash */
1735 if (sc->sc_chip == URE_CHIP_VER_7410) {
1736 if ((ure_read_2(sc, 0xd3ae, URE_MCU_TYPE_PLA) & 0x0002) &&
1737 !(ure_read_2(sc, 0xd284, URE_MCU_TYPE_USB) & 0x0020)) {
1738 for (i=0; i < 100; i++) {
1739 if (ure_read_2(sc, 0xd284, URE_MCU_TYPE_USB) & 0x0004)
1740 break;
1741 uether_pause(&sc->sc_ue, hz / 1000);
1742 }
1743 }
1744 }
1745
1746 for (i = 0; i < URE_TIMEOUT; i++) {
1747 if (ure_read_2(sc, URE_PLA_BOOT_CTRL, URE_MCU_TYPE_PLA) &
1748 URE_AUTOLOAD_DONE)
1749 break;
1750 uether_pause(&sc->sc_ue, hz / 100);
1751 }
1752 if (i == URE_TIMEOUT)
1753 device_printf(sc->sc_ue.ue_dev,
1754 "timeout waiting for chip autoload\n");
1755
1756 val = ure_phy_status(sc, 0);
1757 if ((val == URE_PHY_STAT_EXT_INIT) &
1758 (sc->sc_flags & (URE_FLAG_8156 | URE_FLAG_8156B))) {
1759 ure_ocp_reg_write(sc, 0xa468,
1760 ure_ocp_reg_read(sc, 0xa468) & ~0x0a);
1761 if (sc->sc_flags & URE_FLAG_8156B)
1762 ure_ocp_reg_write(sc, 0xa466,
1763 ure_ocp_reg_read(sc, 0xa466) & ~0x01);
1764 }
1765
1766 val = ure_ocp_reg_read(sc, URE_OCP_BASE_MII + MII_BMCR);
1767 if (val & BMCR_PDOWN) {
1768 val &= ~BMCR_PDOWN;
1769 ure_ocp_reg_write(sc, URE_OCP_BASE_MII + MII_BMCR, val);
1770 }
1771
1772 ure_phy_status(sc, URE_PHY_STAT_LAN_ON);
1773
1774 /* Disable U2P3 */
1775 URE_CLRBIT_2(sc, URE_USB_U2P3_CTRL, URE_MCU_TYPE_USB, URE_U2P3_ENABLE);
1776
1777 /* MSC timer, 32760 ms. */
1778 ure_write_2(sc, URE_USB_MSC_TIMER, URE_MCU_TYPE_USB, 0x0fff);
1779
1780 /* U1/U2/L1 idle timer, 500 us. */
1781 ure_write_2(sc, URE_USB_U1U2_TIMER, URE_MCU_TYPE_USB, 500);
1782
1783 /* Disable power cut */
1784 URE_CLRBIT_2(sc, URE_USB_POWER_CUT, URE_MCU_TYPE_USB, URE_PWR_EN);
1785 URE_CLRBIT_2(sc, URE_USB_MISC_0, URE_MCU_TYPE_USB, URE_PCUT_STATUS);
1786
1787 /* Disable ups */
1788 URE_CLRBIT_1(sc, URE_USB_POWER_CUT, URE_MCU_TYPE_USB, URE_UPS_EN | URE_USP_PREWAKE);
1789 URE_CLRBIT_1(sc, 0xcfff, URE_MCU_TYPE_USB, 0x01);
1790
1791 /* Disable queue wake */
1792 URE_CLRBIT_1(sc, URE_PLA_INDICATE_FALG, URE_MCU_TYPE_USB, URE_UPCOMING_RUNTIME_D3);
1793 URE_CLRBIT_1(sc, URE_PLA_SUSPEND_FLAG, URE_MCU_TYPE_USB, URE_LINK_CHG_EVENT);
1794 URE_CLRBIT_2(sc, URE_PLA_EXTRA_STATUS, URE_MCU_TYPE_USB, URE_LINK_CHANGE_FLAG);
1795
1796 /* Disable runtime suspend */
1797 ure_write_1(sc, URE_PLA_CRWECR, URE_MCU_TYPE_PLA, URE_CRWECR_CONFIG);
1798 URE_CLRBIT_2(sc, URE_PLA_CONFIG34, URE_MCU_TYPE_USB, URE_LINK_OFF_WAKE_EN);
1799 ure_write_1(sc, URE_PLA_CRWECR, URE_MCU_TYPE_PLA, URE_CRWECR_NORAML);
1800
1801 /* Enable U1U2 */
1802 if (usbd_get_speed(sc->sc_ue.ue_udev) == USB_SPEED_SUPER)
1803 URE_SETBIT_2(sc, URE_USB_LPM_CONFIG, URE_MCU_TYPE_USB, URE_LPM_U1U2_EN);
1804
1805 if (sc->sc_flags & URE_FLAG_8156B) {
1806 URE_CLRBIT_2(sc, 0xc010, URE_MCU_TYPE_PLA, 0x0800);
1807 URE_SETBIT_2(sc, 0xe854, URE_MCU_TYPE_PLA, 0x0001);
1808
1809 /* enable fc timer and set timer to 600 ms. */
1810 ure_write_2(sc, URE_USB_FC_TIMER, URE_MCU_TYPE_USB, URE_CTRL_TIMER_EN | (600 / 8));
1811
1812 if (!(ure_read_1(sc, 0xdc6b, URE_MCU_TYPE_PLA) & 0x80)) {
1813 val = ure_read_2(sc, URE_USB_FW_CTRL, URE_MCU_TYPE_USB);
1814 val |= URE_FLOW_CTRL_PATCH_OPT | 0x0100;
1815 val &= ~0x08;
1816 ure_write_2(sc, URE_USB_FW_CTRL, URE_MCU_TYPE_USB, val);
1817 }
1818
1819 URE_SETBIT_2(sc, URE_USB_FW_TASK, URE_MCU_TYPE_USB, URE_FC_PATCH_TASK);
1820 }
1821
1822 val = ure_read_2(sc, URE_PLA_EXTRA_STATUS, URE_MCU_TYPE_PLA);
1823 if (ure_get_link_status(sc))
1824 val |= URE_CUR_LINK_OK;
1825 else
1826 val &= ~URE_CUR_LINK_OK;
1827 val |= URE_POLL_LINK_CHG;
1828 ure_write_2(sc, URE_PLA_EXTRA_STATUS, URE_MCU_TYPE_PLA, val);
1829
1830 /* MAC clock speed down */
1831 if (sc->sc_flags & (URE_FLAG_8156 | URE_FLAG_8156B)) {
1832 ure_write_2(sc, URE_PLA_MAC_PWR_CTRL, URE_MCU_TYPE_PLA, 0x0403);
1833 val = ure_read_2(sc, URE_PLA_MAC_PWR_CTRL2, URE_MCU_TYPE_PLA);
1834 val &= ~0xff;
1835 val |= URE_MAC_CLK_SPDWN_EN | 0x03;
1836 ure_write_2(sc, URE_PLA_MAC_PWR_CTRL2, URE_MCU_TYPE_PLA, val);
1837 } else {
1838 URE_SETBIT_2(sc, URE_PLA_MAC_PWR_CTRL2, URE_MCU_TYPE_USB, URE_MAC_CLK_SPDWN_EN);
1839 }
1840 URE_CLRBIT_2(sc, URE_PLA_MAC_PWR_CTRL3, URE_MCU_TYPE_PLA, URE_PLA_MCU_SPDWN_EN);
1841
1842 /* Enable Rx aggregation. */
1843 URE_CLRBIT_2(sc, URE_USB_USB_CTRL, URE_MCU_TYPE_USB, URE_RX_AGG_DISABLE | URE_RX_ZERO_EN);
1844
1845 if (sc->sc_flags & URE_FLAG_8156)
1846 URE_SETBIT_1(sc, 0xd4b4, URE_MCU_TYPE_USB, 0x02);
1847
1848 /* Reset tally */
1849 URE_SETBIT_2(sc, URE_PLA_RSTTALLY, URE_MCU_TYPE_USB, URE_TALLY_RESET);
1850 }
1851
1852 static void
1853 ure_rtl8153b_nic_reset(struct ure_softc *sc)
1854 {
1855 struct ifnet *ifp = uether_getifp(&sc->sc_ue);
1856 uint16_t val;
1857 int i;
1858
1859 /* Disable U1U2 */
1860 URE_CLRBIT_2(sc, URE_USB_LPM_CONFIG, URE_MCU_TYPE_USB, URE_LPM_U1U2_EN);
1861
1862 /* Disable U2P3 */
1863 URE_CLRBIT_2(sc, URE_USB_U2P3_CTRL, URE_MCU_TYPE_USB, URE_U2P3_ENABLE);
1864
1865 ure_enable_aldps(sc, false);
1866
1867 /* Enable rxdy_gated */
1868 URE_SETBIT_2(sc, URE_PLA_MISC_1, URE_MCU_TYPE_PLA, URE_RXDY_GATED_EN);
1869
1870 /* Disable teredo */
1871 ure_disable_teredo(sc);
1872
1873 DEVPRINTFN(14, sc->sc_ue.ue_dev, "rtl8153b_nic_reset: RCR: %#x\n", ure_read_4(sc, URE_PLA_RCR, URE_MCU_TYPE_PLA));
1874 URE_CLRBIT_4(sc, URE_PLA_RCR, URE_MCU_TYPE_PLA, URE_RCR_ACPT_ALL);
1875
1876 ure_reset(sc);
1877
1878 /* Reset BMU */
1879 URE_CLRBIT_1(sc, URE_USB_BMU_RESET, URE_MCU_TYPE_USB, URE_BMU_RESET_EP_IN | URE_BMU_RESET_EP_OUT);
1880 URE_SETBIT_1(sc, URE_USB_BMU_RESET, URE_MCU_TYPE_USB, URE_BMU_RESET_EP_IN | URE_BMU_RESET_EP_OUT);
1881
1882 URE_CLRBIT_1(sc, URE_PLA_OOB_CTRL, URE_MCU_TYPE_PLA, URE_NOW_IS_OOB);
1883 URE_CLRBIT_2(sc, URE_PLA_SFF_STS_7, URE_MCU_TYPE_PLA, URE_MCU_BORW_EN);
1884 if (sc->sc_flags & URE_FLAG_8153B) {
1885 for (i = 0; i < URE_TIMEOUT; i++) {
1886 if (ure_read_1(sc, URE_PLA_OOB_CTRL, URE_MCU_TYPE_PLA) &
1887 URE_LINK_LIST_READY)
1888 break;
1889 uether_pause(&sc->sc_ue, hz / 100);
1890 }
1891 if (i == URE_TIMEOUT)
1892 device_printf(sc->sc_ue.ue_dev,
1893 "timeout waiting for OOB control\n");
1894
1895 URE_SETBIT_2(sc, URE_PLA_SFF_STS_7, URE_MCU_TYPE_PLA, URE_RE_INIT_LL);
1896 for (i = 0; i < URE_TIMEOUT; i++) {
1897 if (ure_read_1(sc, URE_PLA_OOB_CTRL, URE_MCU_TYPE_PLA) &
1898 URE_LINK_LIST_READY)
1899 break;
1900 uether_pause(&sc->sc_ue, hz / 100);
1901 }
1902 if (i == URE_TIMEOUT)
1903 device_printf(sc->sc_ue.ue_dev,
1904 "timeout waiting for OOB control\n");
1905 }
1906
1907 /* Configure rxvlan */
1908 val = ure_read_2(sc, 0xc012, URE_MCU_TYPE_PLA);
1909 val &= ~0x00c0;
1910 if (ifp->if_capabilities & IFCAP_VLAN_HWTAGGING)
1911 val |= 0x00c0;
1912 ure_write_2(sc, 0xc012, URE_MCU_TYPE_PLA, val);
1913
1914 val = if_getmtu(ifp);
1915 ure_write_2(sc, URE_PLA_RMS, URE_MCU_TYPE_PLA, URE_FRAMELEN(val));
1916 ure_write_1(sc, URE_PLA_MTPS, URE_MCU_TYPE_PLA, URE_MTPS_JUMBO);
1917
1918 if (sc->sc_flags & URE_FLAG_8153B) {
1919 URE_SETBIT_2(sc, URE_PLA_TCR0, URE_MCU_TYPE_PLA, URE_TCR0_AUTO_FIFO);
1920 ure_reset(sc);
1921 }
1922
1923 /* Configure fc parameter */
1924 if (sc->sc_flags & URE_FLAG_8156) {
1925 ure_write_2(sc, 0xc0a6, URE_MCU_TYPE_PLA, 0x0400);
1926 ure_write_2(sc, 0xc0aa, URE_MCU_TYPE_PLA, 0x0800);
1927 } else if (sc->sc_flags & URE_FLAG_8156B) {
1928 ure_write_2(sc, 0xc0a6, URE_MCU_TYPE_PLA, 0x0200);
1929 ure_write_2(sc, 0xc0aa, URE_MCU_TYPE_PLA, 0x0400);
1930 }
1931
1932 /* Configure Rx FIFO threshold. */
1933 if (sc->sc_flags & URE_FLAG_8153B) {
1934 ure_write_4(sc, URE_PLA_RXFIFO_CTRL0, URE_MCU_TYPE_PLA, URE_RXFIFO_THR1_NORMAL);
1935 ure_write_2(sc, URE_PLA_RXFIFO_CTRL1, URE_MCU_TYPE_PLA, URE_RXFIFO_THR2_NORMAL);
1936 ure_write_2(sc, URE_PLA_RXFIFO_CTRL2, URE_MCU_TYPE_PLA, URE_RXFIFO_THR3_NORMAL);
1937 ure_write_4(sc, URE_USB_RX_BUF_TH, URE_MCU_TYPE_USB, URE_RX_THR_B);
1938 } else {
1939 ure_write_2(sc, 0xc0a2, URE_MCU_TYPE_PLA,
1940 (ure_read_2(sc, 0xc0a2, URE_MCU_TYPE_PLA) & ~0xfff) | 0x08);
1941 ure_write_4(sc, URE_USB_RX_BUF_TH, URE_MCU_TYPE_USB, 0x00600400);
1942 }
1943
1944 /* Configure Tx FIFO threshold. */
1945 if (sc->sc_flags & URE_FLAG_8153B) {
1946 ure_write_4(sc, URE_PLA_TXFIFO_CTRL, URE_MCU_TYPE_PLA, URE_TXFIFO_THR_NORMAL2);
1947 } else if (sc->sc_flags & URE_FLAG_8156) {
1948 ure_write_2(sc, URE_PLA_TXFIFO_CTRL, URE_MCU_TYPE_PLA, URE_TXFIFO_THR_NORMAL2);
1949 URE_SETBIT_2(sc, 0xd4b4, URE_MCU_TYPE_USB, 0x0002);
1950 } else if (sc->sc_flags & URE_FLAG_8156B) {
1951 ure_write_2(sc, URE_PLA_TXFIFO_CTRL, URE_MCU_TYPE_PLA, 0x0008);
1952 ure_write_2(sc, 0xe61a, URE_MCU_TYPE_PLA,
1953 (URE_FRAMELEN(val) + 0x100) / 16 );
1954 }
1955
1956 URE_CLRBIT_2(sc, URE_PLA_MAC_PWR_CTRL3, URE_MCU_TYPE_PLA, URE_PLA_MCU_SPDWN_EN);
1957
1958 if (sc->sc_flags & (URE_FLAG_8156 | URE_FLAG_8156B))
1959 URE_CLRBIT_2(sc, 0xd32a, URE_MCU_TYPE_USB, 0x300);
1960
1961 ure_enable_aldps(sc, true);
1962
1963 if (sc->sc_flags & (URE_FLAG_8156 | URE_FLAG_8156B)) {
1964 /* Enable U2P3 */
1965 URE_SETBIT_2(sc, URE_USB_U2P3_CTRL, URE_MCU_TYPE_USB, URE_U2P3_ENABLE);
1966 }
1967
1968 /* Enable U1U2 */
1969 if (usbd_get_speed(sc->sc_ue.ue_udev) == USB_SPEED_SUPER)
1970 URE_SETBIT_2(sc, URE_USB_LPM_CONFIG, URE_MCU_TYPE_USB, URE_LPM_U1U2_EN);
1971 }
1972
1973 static void
1974 ure_stop(struct usb_ether *ue)
1975 {
1976 struct ure_softc *sc = uether_getsc(ue);
1977 struct ifnet *ifp = uether_getifp(ue);
1978
1979 URE_LOCK_ASSERT(sc, MA_OWNED);
1980
1981 ifp->if_drv_flags &= ~(IFF_DRV_RUNNING | IFF_DRV_OACTIVE);
1982 sc->sc_flags &= ~URE_FLAG_LINK;
1983 sc->sc_rxstarted = 0;
1984
1985 /*
1986 * stop all the transfers, if not already stopped:
1987 */
1988 for (int i = 0; i < URE_MAX_RX; i++)
1989 usbd_transfer_stop(sc->sc_rx_xfer[i]);
1990 for (int i = 0; i < URE_MAX_TX; i++)
1991 usbd_transfer_stop(sc->sc_tx_xfer[i]);
1992 }
1993
1994 static void
1995 ure_disable_teredo(struct ure_softc *sc)
1996 {
1997
1998 if (sc->sc_flags & (URE_FLAG_8153B | URE_FLAG_8156 | URE_FLAG_8156B))
1999 ure_write_1(sc, URE_PLA_TEREDO_CFG, URE_MCU_TYPE_PLA, 0xff);
2000 else {
2001 URE_CLRBIT_2(sc, URE_PLA_TEREDO_CFG, URE_MCU_TYPE_PLA,
2002 (URE_TEREDO_SEL | URE_TEREDO_RS_EVENT_MASK | URE_OOB_TEREDO_EN));
2003 }
2004 ure_write_2(sc, URE_PLA_WDT6_CTRL, URE_MCU_TYPE_PLA, URE_WDT6_SET_MODE);
2005 ure_write_2(sc, URE_PLA_REALWOW_TIMER, URE_MCU_TYPE_PLA, 0);
2006 ure_write_4(sc, URE_PLA_TEREDO_TIMER, URE_MCU_TYPE_PLA, 0);
2007 }
2008
2009 static void
2010 ure_enable_aldps(struct ure_softc *sc, bool enable)
2011 {
2012 int i;
2013
2014 if (enable) {
2015 ure_ocp_reg_write(sc, URE_OCP_POWER_CFG,
2016 ure_ocp_reg_read(sc, URE_OCP_POWER_CFG) | URE_EN_ALDPS);
2017 } else {
2018 ure_ocp_reg_write(sc, URE_OCP_ALDPS_CONFIG, URE_ENPDNPS | URE_LINKENA |
2019 URE_DIS_SDSAVE);
2020 for (i = 0; i < 20; i++) {
2021 uether_pause(&sc->sc_ue, hz / 1000);
2022 if (ure_ocp_reg_read(sc, 0xe000) & 0x0100)
2023 break;
2024 }
2025 }
2026 }
2027
2028 static uint16_t
2029 ure_phy_status(struct ure_softc *sc, uint16_t desired)
2030 {
2031 uint16_t val;
2032 int i;
2033
2034 for (i = 0; i < URE_TIMEOUT; i++) {
2035 val = ure_ocp_reg_read(sc, URE_OCP_PHY_STATUS) &
2036 URE_PHY_STAT_MASK;
2037 if (desired) {
2038 if (val == desired)
2039 break;
2040 } else {
2041 if (val == URE_PHY_STAT_LAN_ON ||
2042 val == URE_PHY_STAT_PWRDN ||
2043 val == URE_PHY_STAT_EXT_INIT)
2044 break;
2045 }
2046 uether_pause(&sc->sc_ue, hz / 100);
2047 }
2048 if (i == URE_TIMEOUT)
2049 device_printf(sc->sc_ue.ue_dev,
2050 "timeout waiting for phy to stabilize\n");
2051
2052 return (val);
2053 }
2054
2055 static void
2056 ure_rtl8152_nic_reset(struct ure_softc *sc)
2057 {
2058 uint32_t rx_fifo1, rx_fifo2;
2059 int i;
2060
2061 URE_SETBIT_2(sc, URE_PLA_MISC_1, URE_MCU_TYPE_PLA, URE_RXDY_GATED_EN);
2062
2063 ure_disable_teredo(sc);
2064
2065 DEVPRINTFN(14, sc->sc_ue.ue_dev, "rtl8152_nic_reset: RCR: %#x\n", ure_read_4(sc, URE_PLA_RCR, URE_MCU_TYPE_PLA));
2066 URE_CLRBIT_4(sc, URE_PLA_RCR, URE_MCU_TYPE_PLA, URE_RCR_ACPT_ALL);
2067
2068 ure_reset(sc);
2069
2070 ure_write_1(sc, URE_PLA_CR, URE_MCU_TYPE_PLA, 0);
2071
2072 URE_CLRBIT_1(sc, URE_PLA_OOB_CTRL, URE_MCU_TYPE_PLA, URE_NOW_IS_OOB);
2073
2074 URE_CLRBIT_2(sc, URE_PLA_SFF_STS_7, URE_MCU_TYPE_PLA, URE_MCU_BORW_EN);
2075 for (i = 0; i < URE_TIMEOUT; i++) {
2076 if (ure_read_1(sc, URE_PLA_OOB_CTRL, URE_MCU_TYPE_PLA) &
2077 URE_LINK_LIST_READY)
2078 break;
2079 uether_pause(&sc->sc_ue, hz / 100);
2080 }
2081 if (i == URE_TIMEOUT)
2082 device_printf(sc->sc_ue.ue_dev,
2083 "timeout waiting for OOB control\n");
2084 URE_SETBIT_2(sc, URE_PLA_SFF_STS_7, URE_MCU_TYPE_PLA, URE_RE_INIT_LL);
2085 for (i = 0; i < URE_TIMEOUT; i++) {
2086 if (ure_read_1(sc, URE_PLA_OOB_CTRL, URE_MCU_TYPE_PLA) &
2087 URE_LINK_LIST_READY)
2088 break;
2089 uether_pause(&sc->sc_ue, hz / 100);
2090 }
2091 if (i == URE_TIMEOUT)
2092 device_printf(sc->sc_ue.ue_dev,
2093 "timeout waiting for OOB control\n");
2094
2095 URE_CLRBIT_2(sc, URE_PLA_CPCR, URE_MCU_TYPE_PLA, URE_CPCR_RX_VLAN);
2096
2097 URE_SETBIT_2(sc, URE_PLA_TCR0, URE_MCU_TYPE_PLA, URE_TCR0_AUTO_FIFO);
2098
2099 /* Configure Rx FIFO threshold. */
2100 ure_write_4(sc, URE_PLA_RXFIFO_CTRL0, URE_MCU_TYPE_PLA,
2101 URE_RXFIFO_THR1_NORMAL);
2102 if (usbd_get_speed(sc->sc_ue.ue_udev) == USB_SPEED_FULL) {
2103 rx_fifo1 = URE_RXFIFO_THR2_FULL;
2104 rx_fifo2 = URE_RXFIFO_THR3_FULL;
2105 } else {
2106 rx_fifo1 = URE_RXFIFO_THR2_HIGH;
2107 rx_fifo2 = URE_RXFIFO_THR3_HIGH;
2108 }
2109 ure_write_4(sc, URE_PLA_RXFIFO_CTRL1, URE_MCU_TYPE_PLA, rx_fifo1);
2110 ure_write_4(sc, URE_PLA_RXFIFO_CTRL2, URE_MCU_TYPE_PLA, rx_fifo2);
2111
2112 /* Configure Tx FIFO threshold. */
2113 ure_write_4(sc, URE_PLA_TXFIFO_CTRL, URE_MCU_TYPE_PLA,
2114 URE_TXFIFO_THR_NORMAL);
2115 }
2116
2117 /*
2118 * Update mbuf for rx checksum from hardware
2119 */
2120 static void
2121 ure_rxcsum(int capenb, struct ure_rxpkt *rp, struct mbuf *m)
2122 {
2123 int flags;
2124 uint32_t csum, misc;
2125 int tcp, udp;
2126
2127 m->m_pkthdr.csum_flags = 0;
2128
2129 if (!(capenb & IFCAP_RXCSUM))
2130 return;
2131
2132 csum = le32toh(rp->ure_csum);
2133 misc = le32toh(rp->ure_misc);
2134
2135 tcp = udp = 0;
2136
2137 flags = 0;
2138 if (csum & URE_RXPKT_IPV4_CS)
2139 flags |= CSUM_IP_CHECKED;
2140 else if (csum & URE_RXPKT_IPV6_CS)
2141 flags = 0;
2142
2143 tcp = rp->ure_csum & URE_RXPKT_TCP_CS;
2144 udp = rp->ure_csum & URE_RXPKT_UDP_CS;
2145
2146 if (__predict_true((flags & CSUM_IP_CHECKED) &&
2147 !(misc & URE_RXPKT_IP_F))) {
2148 flags |= CSUM_IP_VALID;
2149 }
2150 if (__predict_true(
2151 (tcp && !(misc & URE_RXPKT_TCP_F)) ||
2152 (udp && !(misc & URE_RXPKT_UDP_F)))) {
2153 flags |= CSUM_DATA_VALID|CSUM_PSEUDO_HDR;
2154 m->m_pkthdr.csum_data = 0xFFFF;
2155 }
2156
2157 m->m_pkthdr.csum_flags = flags;
2158 }
2159
2160 /*
2161 * If the L4 checksum offset is larger than 0x7ff (2047), return failure.
2162 * We currently restrict MTU such that it can't happen, and even if we
2163 * did have a large enough MTU, only a very specially crafted IPv6 packet
2164 * with MANY headers could possibly come close.
2165 *
2166 * Returns 0 for success, and 1 if the packet cannot be checksummed and
2167 * should be dropped.
2168 */
2169 static int
2170 ure_txcsum(struct mbuf *m, int caps, uint32_t *regout)
2171 {
2172 struct ip ip;
2173 struct ether_header *eh;
2174 int flags;
2175 uint32_t data;
2176 uint32_t reg;
2177 int l3off, l4off;
2178 uint16_t type;
2179
2180 *regout = 0;
2181 flags = m->m_pkthdr.csum_flags;
2182 if (flags == 0)
2183 return (0);
2184
2185 if (__predict_true(m->m_len >= (int)sizeof(*eh))) {
2186 eh = mtod(m, struct ether_header *);
2187 type = eh->ether_type;
2188 } else
2189 m_copydata(m, offsetof(struct ether_header, ether_type),
2190 sizeof(type), (caddr_t)&type);
2191
2192 switch (type = htons(type)) {
2193 case ETHERTYPE_IP:
2194 case ETHERTYPE_IPV6:
2195 l3off = ETHER_HDR_LEN;
2196 break;
2197 case ETHERTYPE_VLAN:
2198 /* XXX - what about QinQ? */
2199 l3off = ETHER_HDR_LEN + ETHER_VLAN_ENCAP_LEN;
2200 break;
2201 default:
2202 return (0);
2203 }
2204
2205 reg = 0;
2206
2207 if (flags & CSUM_IP)
2208 reg |= URE_TXPKT_IPV4_CS;
2209
2210 data = m->m_pkthdr.csum_data;
2211 if (flags & (CSUM_IP_TCP | CSUM_IP_UDP)) {
2212 m_copydata(m, l3off, sizeof ip, (caddr_t)&ip);
2213 l4off = l3off + (ip.ip_hl << 2) + data;
2214 if (__predict_false(l4off > URE_L4_OFFSET_MAX))
2215 return (1);
2216
2217 reg |= URE_TXPKT_IPV4_CS;
2218 if (flags & CSUM_IP_TCP)
2219 reg |= URE_TXPKT_TCP_CS;
2220 else if (flags & CSUM_IP_UDP)
2221 reg |= URE_TXPKT_UDP_CS;
2222 reg |= l4off << URE_L4_OFFSET_SHIFT;
2223 }
2224 #ifdef INET6
2225 else if (flags & (CSUM_IP6_TCP | CSUM_IP6_UDP)) {
2226 l4off = l3off + data;
2227 if (__predict_false(l4off > URE_L4_OFFSET_MAX))
2228 return (1);
2229
2230 reg |= URE_TXPKT_IPV6_CS;
2231 if (flags & CSUM_IP6_TCP)
2232 reg |= URE_TXPKT_TCP_CS;
2233 else if (flags & CSUM_IP6_UDP)
2234 reg |= URE_TXPKT_UDP_CS;
2235 reg |= l4off << URE_L4_OFFSET_SHIFT;
2236 }
2237 #endif
2238 *regout = reg;
2239 return 0;
2240 }
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