Cross Reference: /src/sys/dev/mii/mii.c

Lines Matching refs:mii
1 /*	$NetBSD: mii.c,v 1.59 2024/02/08 20:11:55 andvar Exp $	*/
34  * MII bus layer, glues MII-capable network interface drivers to shareable
39 __KERNEL_RCSID(0, "$NetBSD: mii.c,v 1.59 2024/02/08 20:11:55 andvar Exp $");
51 #include <dev/mii/mii.h>
52 #include <dev/mii/miivar.h>
63 mii_attach(device_t parent, struct mii_data *mii, int capmask,
74 	KASSERT(mii->mii_media.ifm_lock != NULL);
85 	mii_lock(mii);
87 	if ((mii->mii_flags & MIIF_INITDONE) == 0) {
88 		LIST_INIT(&mii->mii_phys);
89 		cv_init(&mii->mii_probe_cv, "mii_attach");
90 		mii->mii_flags |= MIIF_INITDONE;
94 	 * Probing temporarily unlocks the MII; wait until anyone
97 	mii->mii_probe_waiters++;
99 		if (mii->mii_flags & MIIF_EXITING) {
100 			mii->mii_probe_waiters--;
101 			cv_signal(&mii->mii_probe_cv);
102 			mii_unlock(mii);
105 		if ((mii->mii_flags & MIIF_PROBING) == 0)
107 		cv_wait(&mii->mii_probe_cv, mii->mii_media.ifm_lock);
109 	mii->mii_probe_waiters--;
112 	mii->mii_flags |= MIIF_PROBING;
120 		LIST_FOREACH(child, &mii->mii_phys, mii_list) {
137 		rv = (*mii->mii_readreg)(parent, ma.mii_phyno, MII_BMSR,
160 		rv = (*mii->mii_readreg)(parent, ma.mii_phyno,
162 		rv |= (*mii->mii_readreg)(parent, ma.mii_phyno,
167 		ma.mii_data = mii;
169 		ma.mii_flags = flags | (mii->mii_flags & MIIF_INHERIT_MASK);
173 		mii_unlock(mii);
178 					.iattr = "mii",
181 			/* Link it up in the parent's MII data. */
186 			mii_lock(mii);
187 			LIST_INSERT_HEAD(&mii->mii_phys, child, mii_list);
189 			mii->mii_instance++;
191 			mii_lock(mii);
197 	mii->mii_flags &= ~MIIF_PROBING;
198 	cv_signal(&mii->mii_probe_cv);
199 	mii_unlock(mii);
203 mii_detach(struct mii_data *mii, int phyloc, int offloc)
211 	mii_lock(mii);
213 	if ((mii->mii_flags & MIIF_INITDONE) == 0 ||
214 	    (mii->mii_flags & MIIF_EXITING) != 0) {
215 		mii_unlock(mii);
227 		mii->mii_flags |= MIIF_EXITING;
228 		cv_broadcast(&mii->mii_probe_cv);
232 	mii->mii_probe_waiters++;
238 		if (!exiting && (mii->mii_flags & MIIF_EXITING) != 0) {
239 			mii->mii_probe_waiters--;
240 			cv_signal(&mii->mii_probe_cv);
241 			mii_unlock(mii);
244 		if ((mii->mii_flags & MIIF_PROBING) == 0 &&
245 		    (!exiting || (exiting && mii->mii_probe_waiters == 1)))
247 		cv_wait(&mii->mii_probe_cv, mii->mii_media.ifm_lock);
249 	mii->mii_probe_waiters--;
252 		mii->mii_flags |= MIIF_PROBING;
254 	LIST_FOREACH_SAFE(child, &mii->mii_phys, mii_list, nchild) {
264 		mii_unlock(mii);
266 		mii_lock(mii);
270 		cv_destroy(&mii->mii_probe_cv);
272 		mii->mii_flags &= ~MIIF_PROBING;
273 		cv_signal(&mii->mii_probe_cv);
276 	mii_unlock(mii);
294 phy_service(struct mii_softc *sc, struct mii_data *mii, int cmd)
299 	return PHY_SERVICE(sc, mii, cmd);
303 mii_ifmedia_change(struct mii_data *mii)
306 	KASSERT(mii_locked(mii) ||
307 		ifmedia_islegacy(&mii->mii_media));
308 	return ifmedia_change(&mii->mii_media, mii->mii_ifp);
315 mii_mediachg(struct mii_data *mii)
320 	IFMEDIA_LOCK_FOR_LEGACY(&mii->mii_media);
321 	KASSERT(mii_locked(mii));
323 	mii->mii_media_status = 0;
324 	mii->mii_media_active = IFM_NONE;
326 	LIST_FOREACH(child, &mii->mii_phys, mii_list) {
327 		rv = phy_service(child, mii, MII_MEDIACHG);
331 	IFMEDIA_UNLOCK_FOR_LEGACY(&mii->mii_media);
339 mii_tick(struct mii_data *mii)
343 	IFMEDIA_LOCK_FOR_LEGACY(&mii->mii_media);
344 	KASSERT(mii_locked(mii));
346 	LIST_FOREACH(child, &mii->mii_phys, mii_list)
347 		(void)phy_service(child, mii, MII_TICK);
349 	IFMEDIA_UNLOCK_FOR_LEGACY(&mii->mii_media);
356 mii_pollstat(struct mii_data *mii)
360 	IFMEDIA_LOCK_FOR_LEGACY(&mii->mii_media);
361 	KASSERT(mii_locked(mii));
363 	mii->mii_media_status = 0;
364 	mii->mii_media_active = IFM_NONE;
366 	LIST_FOREACH(child, &mii->mii_phys, mii_list)
367 		(void)phy_service(child, mii, MII_POLLSTAT);
369 	IFMEDIA_UNLOCK_FOR_LEGACY(&mii->mii_media);
376 mii_down(struct mii_data *mii)
380 	IFMEDIA_LOCK_FOR_LEGACY(&mii->mii_media);
381 	KASSERT(mii_locked(mii));
383 	LIST_FOREACH(child, &mii->mii_phys, mii_list)
384 		(void)phy_service(child, mii, MII_DOWN);
386 	IFMEDIA_UNLOCK_FOR_LEGACY(&mii->mii_media);
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