1 | /* $NetBSD: mii_physubr.c,v 1.80 2013/06/20 13:56:29 roy Exp $ */ |
2 | |
3 | /*- |
4 | * Copyright (c) 1998, 1999, 2000, 2001 The NetBSD Foundation, Inc. |
5 | * All rights reserved. |
6 | * |
7 | * This code is derived from software contributed to The NetBSD Foundation |
8 | * by Jason R. Thorpe of the Numerical Aerospace Simulation Facility, |
9 | * NASA Ames Research Center. |
10 | * |
11 | * Redistribution and use in source and binary forms, with or without |
12 | * modification, are permitted provided that the following conditions |
13 | * are met: |
14 | * 1. Redistributions of source code must retain the above copyright |
15 | * notice, this list of conditions and the following disclaimer. |
16 | * 2. Redistributions in binary form must reproduce the above copyright |
17 | * notice, this list of conditions and the following disclaimer in the |
18 | * documentation and/or other materials provided with the distribution. |
19 | * |
20 | * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS |
21 | * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED |
22 | * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR |
23 | * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS |
24 | * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR |
25 | * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF |
26 | * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS |
27 | * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN |
28 | * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) |
29 | * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE |
30 | * POSSIBILITY OF SUCH DAMAGE. |
31 | */ |
32 | |
33 | /* |
34 | * Subroutines common to all PHYs. |
35 | */ |
36 | |
37 | #include <sys/cdefs.h> |
38 | __KERNEL_RCSID(0, "$NetBSD: mii_physubr.c,v 1.80 2013/06/20 13:56:29 roy Exp $" ); |
39 | |
40 | #include <sys/param.h> |
41 | #include <sys/device.h> |
42 | #include <sys/systm.h> |
43 | #include <sys/kernel.h> |
44 | #include <sys/socket.h> |
45 | #include <sys/errno.h> |
46 | #include <sys/module.h> |
47 | #include <sys/proc.h> |
48 | |
49 | #include <net/if.h> |
50 | #include <net/if_media.h> |
51 | #include <net/route.h> |
52 | |
53 | #include <dev/mii/mii.h> |
54 | #include <dev/mii/miivar.h> |
55 | |
56 | const char *(*mii_get_descr)(int, int) = mii_get_descr_stub; |
57 | |
58 | int mii_verbose_loaded = 0; |
59 | |
60 | const char *mii_get_descr_stub(int oui, int model) |
61 | { |
62 | mii_load_verbose(); |
63 | if (mii_verbose_loaded) |
64 | return mii_get_descr(oui, model); |
65 | else |
66 | return NULL; |
67 | } |
68 | |
69 | /* |
70 | * Routine to load the miiverbose kernel module as needed |
71 | */ |
72 | void mii_load_verbose(void) |
73 | { |
74 | if (mii_verbose_loaded == 0) |
75 | module_autoload("miiverbose" , MODULE_CLASS_MISC); |
76 | } |
77 | |
78 | static void mii_phy_statusmsg(struct mii_softc *); |
79 | |
80 | /* |
81 | * Media to register setting conversion table. Order matters. |
82 | */ |
83 | static const struct mii_media mii_media_table[MII_NMEDIA] = { |
84 | /* None */ |
85 | { BMCR_ISO, ANAR_CSMA, |
86 | 0, }, |
87 | |
88 | /* 10baseT */ |
89 | { BMCR_S10, ANAR_CSMA|ANAR_10, |
90 | 0, }, |
91 | |
92 | /* 10baseT-FDX */ |
93 | { BMCR_S10|BMCR_FDX, ANAR_CSMA|ANAR_10_FD, |
94 | 0, }, |
95 | |
96 | /* 100baseT4 */ |
97 | { BMCR_S100, ANAR_CSMA|ANAR_T4, |
98 | 0, }, |
99 | |
100 | /* 100baseTX */ |
101 | { BMCR_S100, ANAR_CSMA|ANAR_TX, |
102 | 0, }, |
103 | |
104 | /* 100baseTX-FDX */ |
105 | { BMCR_S100|BMCR_FDX, ANAR_CSMA|ANAR_TX_FD, |
106 | 0, }, |
107 | |
108 | /* 1000baseX */ |
109 | { BMCR_S1000, ANAR_CSMA, |
110 | 0, }, |
111 | |
112 | /* 1000baseX-FDX */ |
113 | { BMCR_S1000|BMCR_FDX, ANAR_CSMA, |
114 | 0, }, |
115 | |
116 | /* 1000baseT */ |
117 | { BMCR_S1000, ANAR_CSMA, |
118 | GTCR_ADV_1000THDX }, |
119 | |
120 | /* 1000baseT-FDX */ |
121 | { BMCR_S1000, ANAR_CSMA, |
122 | GTCR_ADV_1000TFDX }, |
123 | }; |
124 | |
125 | static void mii_phy_auto_timeout(void *); |
126 | |
127 | void |
128 | mii_phy_setmedia(struct mii_softc *sc) |
129 | { |
130 | struct mii_data *mii = sc->mii_pdata; |
131 | struct ifmedia_entry *ife = mii->mii_media.ifm_cur; |
132 | int bmcr, anar, gtcr; |
133 | |
134 | if (IFM_SUBTYPE(ife->ifm_media) == IFM_AUTO) { |
135 | /* |
136 | * Force renegotiation if MIIF_DOPAUSE. |
137 | * |
138 | * XXX This is only necessary because many NICs don't |
139 | * XXX advertise PAUSE capabilities at boot time. Maybe |
140 | * XXX we should force this only once? |
141 | */ |
142 | if ((PHY_READ(sc, MII_BMCR) & BMCR_AUTOEN) == 0 || |
143 | (sc->mii_flags & (MIIF_FORCEANEG|MIIF_DOPAUSE))) |
144 | (void) mii_phy_auto(sc, 1); |
145 | return; |
146 | } |
147 | |
148 | /* |
149 | * Table index is stored in the media entry. |
150 | */ |
151 | |
152 | #ifdef DIAGNOSTIC |
153 | if (/* ife->ifm_data < 0 || */ ife->ifm_data >= MII_NMEDIA) |
154 | panic("mii_phy_setmedia" ); |
155 | #endif |
156 | |
157 | anar = mii_media_table[ife->ifm_data].mm_anar; |
158 | bmcr = mii_media_table[ife->ifm_data].mm_bmcr; |
159 | gtcr = mii_media_table[ife->ifm_data].mm_gtcr; |
160 | |
161 | if (mii->mii_media.ifm_media & IFM_ETH_MASTER) { |
162 | switch (IFM_SUBTYPE(ife->ifm_media)) { |
163 | case IFM_1000_T: |
164 | gtcr |= GTCR_MAN_MS|GTCR_ADV_MS; |
165 | break; |
166 | |
167 | default: |
168 | panic("mii_phy_setmedia: MASTER on wrong media" ); |
169 | } |
170 | } |
171 | |
172 | if (mii->mii_media.ifm_media & IFM_FLOW) { |
173 | if (sc->mii_flags & MIIF_IS_1000X) |
174 | anar |= ANAR_X_PAUSE_SYM | ANAR_X_PAUSE_ASYM; |
175 | else { |
176 | anar |= ANAR_FC; |
177 | /* XXX Only 1000BASE-T has PAUSE_ASYM? */ |
178 | if ((sc->mii_flags & MIIF_HAVE_GTCR) && |
179 | (sc->mii_extcapabilities & |
180 | (EXTSR_1000THDX | EXTSR_1000TFDX))) |
181 | anar |= ANAR_PAUSE_ASYM; |
182 | } |
183 | } |
184 | |
185 | if (ife->ifm_media & IFM_LOOP) |
186 | bmcr |= BMCR_LOOP; |
187 | |
188 | PHY_WRITE(sc, MII_ANAR, anar); |
189 | if (sc->mii_flags & MIIF_HAVE_GTCR) |
190 | PHY_WRITE(sc, MII_100T2CR, gtcr); |
191 | if (IFM_SUBTYPE(ife->ifm_media) == IFM_1000_T) { |
192 | mii_phy_auto(sc, 0); |
193 | } else { |
194 | PHY_WRITE(sc, MII_BMCR, bmcr); |
195 | } |
196 | } |
197 | |
198 | int |
199 | mii_phy_auto(struct mii_softc *sc, int waitfor) |
200 | { |
201 | int i; |
202 | struct mii_data *mii = sc->mii_pdata; |
203 | struct ifmedia_entry *ife = mii->mii_media.ifm_cur; |
204 | |
205 | sc->mii_ticks = 0; |
206 | if ((sc->mii_flags & MIIF_DOINGAUTO) == 0) { |
207 | /* |
208 | * Check for 1000BASE-X. Autonegotiation is a bit |
209 | * different on such devices. |
210 | */ |
211 | if (sc->mii_flags & MIIF_IS_1000X) { |
212 | uint16_t anar = 0; |
213 | |
214 | if (sc->mii_extcapabilities & EXTSR_1000XFDX) |
215 | anar |= ANAR_X_FD; |
216 | if (sc->mii_extcapabilities & EXTSR_1000XHDX) |
217 | anar |= ANAR_X_HD; |
218 | |
219 | if (sc->mii_flags & MIIF_DOPAUSE) { |
220 | /* XXX Asymmetric vs. symmetric? */ |
221 | anar |= ANLPAR_X_PAUSE_TOWARDS; |
222 | } |
223 | |
224 | PHY_WRITE(sc, MII_ANAR, anar); |
225 | } else { |
226 | uint16_t anar; |
227 | |
228 | anar = BMSR_MEDIA_TO_ANAR(sc->mii_capabilities) | |
229 | ANAR_CSMA; |
230 | if (sc->mii_flags & MIIF_DOPAUSE) { |
231 | anar |= ANAR_FC; |
232 | /* XXX Only 1000BASE-T has PAUSE_ASYM? */ |
233 | if ((sc->mii_flags & MIIF_HAVE_GTCR) && |
234 | (sc->mii_extcapabilities & |
235 | (EXTSR_1000THDX | EXTSR_1000TFDX))) |
236 | anar |= ANAR_PAUSE_ASYM; |
237 | } |
238 | |
239 | /* |
240 | *for 1000-base-T, autonegotiation mus be enabled, but |
241 | *if we're not set to auto, only advertise |
242 | *1000-base-T with the link partner. |
243 | */ |
244 | if (IFM_SUBTYPE(ife->ifm_media) == IFM_1000_T) { |
245 | anar &= ~(ANAR_T4|ANAR_TX_FD|ANAR_TX|ANAR_10_FD|ANAR_10); |
246 | } |
247 | |
248 | PHY_WRITE(sc, MII_ANAR, anar); |
249 | if (sc->mii_flags & MIIF_HAVE_GTCR) { |
250 | uint16_t gtcr = 0; |
251 | |
252 | if (sc->mii_extcapabilities & EXTSR_1000TFDX) |
253 | gtcr |= GTCR_ADV_1000TFDX; |
254 | if (sc->mii_extcapabilities & EXTSR_1000THDX) |
255 | gtcr |= GTCR_ADV_1000THDX; |
256 | |
257 | PHY_WRITE(sc, MII_100T2CR, gtcr); |
258 | } |
259 | } |
260 | PHY_WRITE(sc, MII_BMCR, BMCR_AUTOEN | BMCR_STARTNEG); |
261 | } |
262 | |
263 | if (waitfor) { |
264 | /* Wait 500ms for it to complete. */ |
265 | for (i = 0; i < 500; i++) { |
266 | if (PHY_READ(sc, MII_BMSR) & BMSR_ACOMP) |
267 | return (0); |
268 | delay(1000); |
269 | } |
270 | |
271 | /* |
272 | * Don't need to worry about clearing MIIF_DOINGAUTO. |
273 | * If that's set, a timeout is pending, and it will |
274 | * clear the flag. |
275 | */ |
276 | return (EIO); |
277 | } |
278 | |
279 | /* |
280 | * Just let it finish asynchronously. This is for the benefit of |
281 | * the tick handler driving autonegotiation. Don't want 500ms |
282 | * delays all the time while the system is running! |
283 | */ |
284 | if (sc->mii_flags & MIIF_AUTOTSLEEP) { |
285 | sc->mii_flags |= MIIF_DOINGAUTO; |
286 | tsleep(&sc->mii_flags, PZERO, "miiaut" , hz >> 1); |
287 | mii_phy_auto_timeout(sc); |
288 | } else if ((sc->mii_flags & MIIF_DOINGAUTO) == 0) { |
289 | sc->mii_flags |= MIIF_DOINGAUTO; |
290 | callout_reset(&sc->mii_nway_ch, hz >> 1, |
291 | mii_phy_auto_timeout, sc); |
292 | } |
293 | return (EJUSTRETURN); |
294 | } |
295 | |
296 | static void |
297 | mii_phy_auto_timeout(void *arg) |
298 | { |
299 | struct mii_softc *sc = arg; |
300 | int s; |
301 | |
302 | if (!device_is_active(sc->mii_dev)) |
303 | return; |
304 | |
305 | s = splnet(); |
306 | sc->mii_flags &= ~MIIF_DOINGAUTO; |
307 | |
308 | /* Update the media status. */ |
309 | (void) PHY_SERVICE(sc, sc->mii_pdata, MII_POLLSTAT); |
310 | splx(s); |
311 | } |
312 | |
313 | int |
314 | mii_phy_tick(struct mii_softc *sc) |
315 | { |
316 | struct mii_data *mii = sc->mii_pdata; |
317 | struct ifmedia_entry *ife = mii->mii_media.ifm_cur; |
318 | int reg; |
319 | |
320 | /* Just bail now if the interface is down. */ |
321 | if ((mii->mii_ifp->if_flags & IFF_UP) == 0) |
322 | return (EJUSTRETURN); |
323 | |
324 | /* |
325 | * If we're not doing autonegotiation, we don't need to do |
326 | * any extra work here. However, we need to check the link |
327 | * status so we can generate an announcement by returning |
328 | * with 0 if the status changes. |
329 | */ |
330 | if ((IFM_SUBTYPE(ife->ifm_media) != IFM_AUTO) && |
331 | (IFM_SUBTYPE(ife->ifm_media) != IFM_1000_T)) { |
332 | /* |
333 | * Reset autonegotiation timer to 0 just to make sure |
334 | * the future autonegotiation start with 0. |
335 | */ |
336 | sc->mii_ticks = 0; |
337 | return (0); |
338 | } |
339 | |
340 | /* Read the status register twice; BMSR_LINK is latch-low. */ |
341 | reg = PHY_READ(sc, MII_BMSR) | PHY_READ(sc, MII_BMSR); |
342 | if (reg & BMSR_LINK) { |
343 | /* |
344 | * Reset autonegotiation timer to 0 in case the link |
345 | * goes down in the next tick. |
346 | */ |
347 | sc->mii_ticks = 0; |
348 | /* See above. */ |
349 | return (0); |
350 | } |
351 | |
352 | /* |
353 | * mii_ticks == 0 means it's the first tick after changing the media or |
354 | * the link became down since the last tick (see above), so return with |
355 | * 0 to update the status. |
356 | */ |
357 | if (sc->mii_ticks++ == 0) |
358 | return (0); |
359 | |
360 | /* |
361 | * Only retry autonegotiation every N seconds. |
362 | */ |
363 | KASSERT(sc->mii_anegticks != 0); |
364 | if (sc->mii_ticks <= sc->mii_anegticks) |
365 | return (EJUSTRETURN); |
366 | |
367 | PHY_RESET(sc); |
368 | |
369 | if (mii_phy_auto(sc, 0) == EJUSTRETURN) |
370 | return (EJUSTRETURN); |
371 | |
372 | /* |
373 | * Might need to generate a status message if autonegotiation |
374 | * failed. |
375 | */ |
376 | return (0); |
377 | } |
378 | |
379 | void |
380 | mii_phy_reset(struct mii_softc *sc) |
381 | { |
382 | int reg, i; |
383 | |
384 | if (sc->mii_flags & MIIF_NOISOLATE) |
385 | reg = BMCR_RESET; |
386 | else |
387 | reg = BMCR_RESET | BMCR_ISO; |
388 | PHY_WRITE(sc, MII_BMCR, reg); |
389 | |
390 | /* Wait another 100ms for it to complete. */ |
391 | for (i = 0; i < 100; i++) { |
392 | reg = PHY_READ(sc, MII_BMCR); |
393 | if ((reg & BMCR_RESET) == 0) |
394 | break; |
395 | delay(1000); |
396 | } |
397 | |
398 | if (sc->mii_inst != 0 && ((sc->mii_flags & MIIF_NOISOLATE) == 0)) |
399 | PHY_WRITE(sc, MII_BMCR, reg | BMCR_ISO); |
400 | } |
401 | |
402 | void |
403 | mii_phy_down(struct mii_softc *sc) |
404 | { |
405 | |
406 | if (sc->mii_flags & MIIF_DOINGAUTO) { |
407 | sc->mii_flags &= ~MIIF_DOINGAUTO; |
408 | callout_stop(&sc->mii_nway_ch); |
409 | } |
410 | } |
411 | |
412 | void |
413 | mii_phy_status(struct mii_softc *sc) |
414 | { |
415 | |
416 | PHY_STATUS(sc); |
417 | } |
418 | |
419 | void |
420 | mii_phy_update(struct mii_softc *sc, int cmd) |
421 | { |
422 | struct mii_data *mii = sc->mii_pdata; |
423 | |
424 | if (sc->mii_media_active != mii->mii_media_active || |
425 | sc->mii_media_status != mii->mii_media_status || |
426 | cmd == MII_MEDIACHG) { |
427 | mii_phy_statusmsg(sc); |
428 | (*mii->mii_statchg)(mii->mii_ifp); |
429 | sc->mii_media_active = mii->mii_media_active; |
430 | sc->mii_media_status = mii->mii_media_status; |
431 | } |
432 | } |
433 | |
434 | static void |
435 | mii_phy_statusmsg(struct mii_softc *sc) |
436 | { |
437 | struct mii_data *mii = sc->mii_pdata; |
438 | struct ifnet *ifp = mii->mii_ifp; |
439 | |
440 | if (mii->mii_media_status & IFM_AVALID) { |
441 | if (mii->mii_media_status & IFM_ACTIVE) |
442 | if_link_state_change(ifp, LINK_STATE_UP); |
443 | else |
444 | if_link_state_change(ifp, LINK_STATE_DOWN); |
445 | } else |
446 | if_link_state_change(ifp, LINK_STATE_UNKNOWN); |
447 | |
448 | ifp->if_baudrate = ifmedia_baudrate(mii->mii_media_active); |
449 | } |
450 | |
451 | /* |
452 | * Initialize generic PHY media based on BMSR, called when a PHY is |
453 | * attached. We expect to be set up to print a comma-separated list |
454 | * of media names. Does not print a newline. |
455 | */ |
456 | void |
457 | mii_phy_add_media(struct mii_softc *sc) |
458 | { |
459 | struct mii_data *mii = sc->mii_pdata; |
460 | device_t self = sc->mii_dev; |
461 | const char *sep = "" ; |
462 | int fdx = 0; |
463 | |
464 | #define ADD(m, c) ifmedia_add(&mii->mii_media, (m), (c), NULL) |
465 | #define PRINT(n) aprint_normal("%s%s", sep, (n)); sep = ", " |
466 | |
467 | if ((sc->mii_flags & MIIF_NOISOLATE) == 0) |
468 | ADD(IFM_MAKEWORD(IFM_ETHER, IFM_NONE, 0, sc->mii_inst), |
469 | MII_MEDIA_NONE); |
470 | |
471 | /* |
472 | * There are different interpretations for the bits in |
473 | * HomePNA PHYs. And there is really only one media type |
474 | * that is supported. |
475 | */ |
476 | if (sc->mii_flags & MIIF_IS_HPNA) { |
477 | if (sc->mii_capabilities & BMSR_10THDX) { |
478 | ADD(IFM_MAKEWORD(IFM_ETHER, IFM_HPNA_1, 0, |
479 | sc->mii_inst), |
480 | MII_MEDIA_10_T); |
481 | PRINT("HomePNA1" ); |
482 | } |
483 | goto out; |
484 | } |
485 | |
486 | if (sc->mii_capabilities & BMSR_10THDX) { |
487 | ADD(IFM_MAKEWORD(IFM_ETHER, IFM_10_T, 0, sc->mii_inst), |
488 | MII_MEDIA_10_T); |
489 | PRINT("10baseT" ); |
490 | } |
491 | if (sc->mii_capabilities & BMSR_10TFDX) { |
492 | ADD(IFM_MAKEWORD(IFM_ETHER, IFM_10_T, IFM_FDX, sc->mii_inst), |
493 | MII_MEDIA_10_T_FDX); |
494 | PRINT("10baseT-FDX" ); |
495 | fdx = 1; |
496 | } |
497 | if (sc->mii_capabilities & BMSR_100TXHDX) { |
498 | ADD(IFM_MAKEWORD(IFM_ETHER, IFM_100_TX, 0, sc->mii_inst), |
499 | MII_MEDIA_100_TX); |
500 | PRINT("100baseTX" ); |
501 | } |
502 | if (sc->mii_capabilities & BMSR_100TXFDX) { |
503 | ADD(IFM_MAKEWORD(IFM_ETHER, IFM_100_TX, IFM_FDX, sc->mii_inst), |
504 | MII_MEDIA_100_TX_FDX); |
505 | PRINT("100baseTX-FDX" ); |
506 | fdx = 1; |
507 | } |
508 | if (sc->mii_capabilities & BMSR_100T4) { |
509 | ADD(IFM_MAKEWORD(IFM_ETHER, IFM_100_T4, 0, sc->mii_inst), |
510 | MII_MEDIA_100_T4); |
511 | PRINT("100baseT4" ); |
512 | } |
513 | |
514 | if (sc->mii_extcapabilities & EXTSR_MEDIAMASK) { |
515 | /* |
516 | * XXX Right now only handle 1000SX and 1000TX. Need |
517 | * XXX to handle 1000LX and 1000CX some how. |
518 | * |
519 | * Note since it can take 5 seconds to auto-negotiate |
520 | * a gigabit link, we make anegticks 10 seconds for |
521 | * all the gigabit media types. |
522 | */ |
523 | if (sc->mii_extcapabilities & EXTSR_1000XHDX) { |
524 | sc->mii_anegticks = MII_ANEGTICKS_GIGE; |
525 | sc->mii_flags |= MIIF_IS_1000X; |
526 | ADD(IFM_MAKEWORD(IFM_ETHER, IFM_1000_SX, 0, |
527 | sc->mii_inst), MII_MEDIA_1000_X); |
528 | PRINT("1000baseSX" ); |
529 | } |
530 | if (sc->mii_extcapabilities & EXTSR_1000XFDX) { |
531 | sc->mii_anegticks = MII_ANEGTICKS_GIGE; |
532 | sc->mii_flags |= MIIF_IS_1000X; |
533 | ADD(IFM_MAKEWORD(IFM_ETHER, IFM_1000_SX, IFM_FDX, |
534 | sc->mii_inst), MII_MEDIA_1000_X_FDX); |
535 | PRINT("1000baseSX-FDX" ); |
536 | fdx = 1; |
537 | } |
538 | |
539 | /* |
540 | * 1000baseT media needs to be able to manipulate |
541 | * master/slave mode. We set IFM_ETH_MASTER in |
542 | * the "don't care mask" and filter it out when |
543 | * the media is set. |
544 | * |
545 | * All 1000baseT PHYs have a 1000baseT control register. |
546 | */ |
547 | if (sc->mii_extcapabilities & EXTSR_1000THDX) { |
548 | sc->mii_anegticks = MII_ANEGTICKS_GIGE; |
549 | sc->mii_flags |= MIIF_HAVE_GTCR; |
550 | mii->mii_media.ifm_mask |= IFM_ETH_MASTER; |
551 | ADD(IFM_MAKEWORD(IFM_ETHER, IFM_1000_T, 0, |
552 | sc->mii_inst), MII_MEDIA_1000_T); |
553 | PRINT("1000baseT" ); |
554 | } |
555 | if (sc->mii_extcapabilities & EXTSR_1000TFDX) { |
556 | sc->mii_anegticks = MII_ANEGTICKS_GIGE; |
557 | sc->mii_flags |= MIIF_HAVE_GTCR; |
558 | mii->mii_media.ifm_mask |= IFM_ETH_MASTER; |
559 | ADD(IFM_MAKEWORD(IFM_ETHER, IFM_1000_T, IFM_FDX, |
560 | sc->mii_inst), MII_MEDIA_1000_T_FDX); |
561 | PRINT("1000baseT-FDX" ); |
562 | fdx = 1; |
563 | } |
564 | } |
565 | |
566 | if (sc->mii_capabilities & BMSR_ANEG) { |
567 | ADD(IFM_MAKEWORD(IFM_ETHER, IFM_AUTO, 0, sc->mii_inst), |
568 | MII_NMEDIA); /* intentionally invalid index */ |
569 | PRINT("auto" ); |
570 | } |
571 | #undef ADD |
572 | #undef PRINT |
573 | if (fdx != 0 && (sc->mii_flags & MIIF_DOPAUSE)) |
574 | mii->mii_media.ifm_mask |= IFM_ETH_FMASK; |
575 | out: |
576 | if (!pmf_device_register(self, NULL, mii_phy_resume)) { |
577 | aprint_normal("\n" ); |
578 | aprint_error_dev(self, "couldn't establish power handler" ); |
579 | } |
580 | } |
581 | |
582 | void |
583 | mii_phy_delete_media(struct mii_softc *sc) |
584 | { |
585 | struct mii_data *mii = sc->mii_pdata; |
586 | |
587 | ifmedia_delete_instance(&mii->mii_media, sc->mii_inst); |
588 | } |
589 | |
590 | int |
591 | mii_phy_activate(device_t self, enum devact act) |
592 | { |
593 | switch (act) { |
594 | case DVACT_DEACTIVATE: |
595 | /* XXX Invalidate parent's media setting? */ |
596 | return 0; |
597 | default: |
598 | return EOPNOTSUPP; |
599 | } |
600 | } |
601 | |
602 | /* ARGSUSED1 */ |
603 | int |
604 | mii_phy_detach(device_t self, int flags) |
605 | { |
606 | struct mii_softc *sc = device_private(self); |
607 | |
608 | /* XXX Invalidate parent's media setting? */ |
609 | |
610 | if (sc->mii_flags & MIIF_DOINGAUTO) |
611 | callout_halt(&sc->mii_nway_ch, NULL); |
612 | |
613 | callout_destroy(&sc->mii_nway_ch); |
614 | |
615 | mii_phy_delete_media(sc); |
616 | LIST_REMOVE(sc, mii_list); |
617 | |
618 | return (0); |
619 | } |
620 | |
621 | const struct mii_phydesc * |
622 | mii_phy_match(const struct mii_attach_args *ma, const struct mii_phydesc *mpd) |
623 | { |
624 | |
625 | for (; mpd->mpd_name != NULL; mpd++) { |
626 | if (MII_OUI(ma->mii_id1, ma->mii_id2) == mpd->mpd_oui && |
627 | MII_MODEL(ma->mii_id2) == mpd->mpd_model) |
628 | return (mpd); |
629 | } |
630 | return (NULL); |
631 | } |
632 | |
633 | /* |
634 | * Return the flow control status flag from MII_ANAR & MII_ANLPAR. |
635 | */ |
636 | u_int |
637 | mii_phy_flowstatus(struct mii_softc *sc) |
638 | { |
639 | u_int anar, anlpar; |
640 | |
641 | if ((sc->mii_flags & MIIF_DOPAUSE) == 0) |
642 | return (0); |
643 | |
644 | anar = PHY_READ(sc, MII_ANAR); |
645 | anlpar = PHY_READ(sc, MII_ANLPAR); |
646 | |
647 | /* For 1000baseX, the bits are in a different location. */ |
648 | if (sc->mii_flags & MIIF_IS_1000X) { |
649 | anar <<= 3; |
650 | anlpar <<= 3; |
651 | } |
652 | |
653 | if ((anar & ANAR_PAUSE_SYM) & (anlpar & ANLPAR_PAUSE_SYM)) |
654 | return (IFM_FLOW|IFM_ETH_TXPAUSE|IFM_ETH_RXPAUSE); |
655 | |
656 | if ((anar & ANAR_PAUSE_SYM) == 0) { |
657 | if ((anar & ANAR_PAUSE_ASYM) && |
658 | ((anlpar & ANLPAR_PAUSE_TOWARDS) == ANLPAR_PAUSE_TOWARDS)) |
659 | return (IFM_FLOW|IFM_ETH_TXPAUSE); |
660 | else |
661 | return (0); |
662 | } |
663 | |
664 | if ((anar & ANAR_PAUSE_ASYM) == 0) { |
665 | if (anlpar & ANLPAR_PAUSE_SYM) |
666 | return (IFM_FLOW|IFM_ETH_TXPAUSE|IFM_ETH_RXPAUSE); |
667 | else |
668 | return (0); |
669 | } |
670 | |
671 | switch ((anlpar & ANLPAR_PAUSE_TOWARDS)) { |
672 | case ANLPAR_PAUSE_NONE: |
673 | return (0); |
674 | |
675 | case ANLPAR_PAUSE_ASYM: |
676 | return (IFM_FLOW|IFM_ETH_RXPAUSE); |
677 | |
678 | default: |
679 | return (IFM_FLOW|IFM_ETH_RXPAUSE|IFM_ETH_TXPAUSE); |
680 | } |
681 | /* NOTREACHED */ |
682 | } |
683 | |
684 | bool |
685 | mii_phy_resume(device_t dv, const pmf_qual_t *qual) |
686 | { |
687 | struct mii_softc *sc = device_private(dv); |
688 | |
689 | PHY_RESET(sc); |
690 | return PHY_SERVICE(sc, sc->mii_pdata, MII_MEDIACHG) == 0; |
691 | } |
692 | |
693 | |
694 | /* |
695 | * Given an ifmedia word, return the corresponding ANAR value. |
696 | */ |
697 | int |
698 | mii_anar(int media) |
699 | { |
700 | int rv; |
701 | |
702 | #ifdef DIAGNOSTIC |
703 | if (/* media < 0 || */ media >= MII_NMEDIA) |
704 | panic("mii_anar" ); |
705 | #endif |
706 | |
707 | rv = mii_media_table[media].mm_anar; |
708 | |
709 | return rv; |
710 | } |
711 | |