11 		Written 1998-2002 by Donald Becker.
40 	advert = mii->mdio_read(mii->dev, mii->phy_id, addr);  in mii_get_an()
46  * mii_ethtool_gset - get settings that are specified in @ecmd
55 	struct net_device *dev = mii->dev;  in mii_ethtool_gset()
59 	ecmd->supported =  in mii_ethtool_gset()
63 	if (mii->supports_gmii)  in mii_ethtool_gset()
64 		ecmd->supported |= SUPPORTED_1000baseT_Half |  in mii_ethtool_gset()
67 	/* only supports twisted-pair */  in mii_ethtool_gset()
68 	ecmd->port = PORT_MII;  in mii_ethtool_gset()
71 	ecmd->transceiver = XCVR_INTERNAL;  in mii_ethtool_gset()
74 	ecmd->phy_address = mii->phy_id;  in mii_ethtool_gset()
75 	ecmd->mdio_support = ETH_MDIO_SUPPORTS_C22;  in mii_ethtool_gset()
77 	ecmd->advertising = ADVERTISED_TP | ADVERTISED_MII;  in mii_ethtool_gset()
79 	bmcr = mii->mdio_read(dev, mii->phy_id, MII_BMCR);  in mii_ethtool_gset()
80 	bmsr = mii->mdio_read(dev, mii->phy_id, MII_BMSR);  in mii_ethtool_gset()
81 	if (mii->supports_gmii) {  in mii_ethtool_gset()
82 		ctrl1000 = mii->mdio_read(dev, mii->phy_id, MII_CTRL1000);  in mii_ethtool_gset()
83 		stat1000 = mii->mdio_read(dev, mii->phy_id, MII_STAT1000);  in mii_ethtool_gset()
86 	ecmd->advertising |= mii_get_an(mii, MII_ADVERTISE);  in mii_ethtool_gset()
87 	if (mii->supports_gmii)  in mii_ethtool_gset()
88 		ecmd->advertising |=  in mii_ethtool_gset()
92 		ecmd->advertising |= ADVERTISED_Autoneg;  in mii_ethtool_gset()
93 		ecmd->autoneg = AUTONEG_ENABLE;  in mii_ethtool_gset()
96 			ecmd->lp_advertising = mii_get_an(mii, MII_LPA);  in mii_ethtool_gset()
97 			ecmd->lp_advertising |=  in mii_ethtool_gset()
100 			ecmd->lp_advertising = 0;  in mii_ethtool_gset()
103 		nego = ecmd->advertising & ecmd->lp_advertising;  in mii_ethtool_gset()
108 			ecmd->duplex = !!(nego & ADVERTISED_1000baseT_Full);  in mii_ethtool_gset()
112 			ecmd->duplex = !!(nego & ADVERTISED_100baseT_Full);  in mii_ethtool_gset()
115 			ecmd->duplex = !!(nego & ADVERTISED_10baseT_Full);  in mii_ethtool_gset()
118 		ecmd->autoneg = AUTONEG_DISABLE;  in mii_ethtool_gset()
126 		ecmd->duplex = (bmcr & BMCR_FULLDPLX) ? DUPLEX_FULL : DUPLEX_HALF;  in mii_ethtool_gset()
129 	mii->full_duplex = ecmd->duplex;  in mii_ethtool_gset()
135  * mii_ethtool_get_link_ksettings - get settings that are specified in @cmd
145 	struct net_device *dev = mii->dev;  in mii_ethtool_get_link_ksettings()
152 	if (mii->supports_gmii)  in mii_ethtool_get_link_ksettings()
156 	/* only supports twisted-pair */  in mii_ethtool_get_link_ksettings()
157 	cmd->base.port = PORT_MII;  in mii_ethtool_get_link_ksettings()
160 	cmd->base.phy_address = mii->phy_id;  in mii_ethtool_get_link_ksettings()
161 	cmd->base.mdio_support = ETH_MDIO_SUPPORTS_C22;  in mii_ethtool_get_link_ksettings()
165 	bmcr = mii->mdio_read(dev, mii->phy_id, MII_BMCR);  in mii_ethtool_get_link_ksettings()
166 	bmsr = mii->mdio_read(dev, mii->phy_id, MII_BMSR);  in mii_ethtool_get_link_ksettings()
167 	if (mii->supports_gmii) {  in mii_ethtool_get_link_ksettings()
168 		ctrl1000 = mii->mdio_read(dev, mii->phy_id, MII_CTRL1000);  in mii_ethtool_get_link_ksettings()
169 		stat1000 = mii->mdio_read(dev, mii->phy_id, MII_STAT1000);  in mii_ethtool_get_link_ksettings()
173 	if (mii->supports_gmii)  in mii_ethtool_get_link_ksettings()
178 		cmd->base.autoneg = AUTONEG_ENABLE;  in mii_ethtool_get_link_ksettings()
192 			cmd->base.speed = SPEED_1000;  in mii_ethtool_get_link_ksettings()
193 			cmd->base.duplex = !!(nego & ADVERTISED_1000baseT_Full);  in mii_ethtool_get_link_ksettings()
196 			cmd->base.speed = SPEED_100;  in mii_ethtool_get_link_ksettings()
197 			cmd->base.duplex = !!(nego & ADVERTISED_100baseT_Full);  in mii_ethtool_get_link_ksettings()
199 			cmd->base.speed = SPEED_10;  in mii_ethtool_get_link_ksettings()
200 			cmd->base.duplex = !!(nego & ADVERTISED_10baseT_Full);  in mii_ethtool_get_link_ksettings()
203 		cmd->base.autoneg = AUTONEG_DISABLE;  in mii_ethtool_get_link_ksettings()
205 		cmd->base.speed = ((bmcr & BMCR_SPEED1000 &&  in mii_ethtool_get_link_ksettings()
210 		cmd->base.duplex = (bmcr & BMCR_FULLDPLX) ?  in mii_ethtool_get_link_ksettings()
217 		cmd->base.speed = SPEED_UNKNOWN;  in mii_ethtool_get_link_ksettings()
219 	mii->full_duplex = cmd->base.duplex;  in mii_ethtool_get_link_ksettings()
221 	ethtool_convert_legacy_u32_to_link_mode(cmd->link_modes.supported,  in mii_ethtool_get_link_ksettings()
223 	ethtool_convert_legacy_u32_to_link_mode(cmd->link_modes.advertising,  in mii_ethtool_get_link_ksettings()
225 	ethtool_convert_legacy_u32_to_link_mode(cmd->link_modes.lp_advertising,  in mii_ethtool_get_link_ksettings()
232  * mii_ethtool_sset - set settings that are specified in @ecmd
240 	struct net_device *dev = mii->dev;  in mii_ethtool_sset()
246 		return -EINVAL;  in mii_ethtool_sset()
247 	if (ecmd->duplex != DUPLEX_HALF && ecmd->duplex != DUPLEX_FULL)  in mii_ethtool_sset()
248 		return -EINVAL;  in mii_ethtool_sset()
249 	if (ecmd->port != PORT_MII)  in mii_ethtool_sset()
250 		return -EINVAL;  in mii_ethtool_sset()
251 	if (ecmd->transceiver != XCVR_INTERNAL)  in mii_ethtool_sset()
252 		return -EINVAL;  in mii_ethtool_sset()
253 	if (ecmd->phy_address != mii->phy_id)  in mii_ethtool_sset()
254 		return -EINVAL;  in mii_ethtool_sset()
255 	if (ecmd->autoneg != AUTONEG_DISABLE && ecmd->autoneg != AUTONEG_ENABLE)  in mii_ethtool_sset()
256 		return -EINVAL;  in mii_ethtool_sset()
257 	if ((speed == SPEED_1000) && (!mii->supports_gmii))  in mii_ethtool_sset()
258 		return -EINVAL;  in mii_ethtool_sset()
262 	if (ecmd->autoneg == AUTONEG_ENABLE) {  in mii_ethtool_sset()
266 		if ((ecmd->advertising & (ADVERTISED_10baseT_Half |  in mii_ethtool_sset()
272 			return -EINVAL;  in mii_ethtool_sset()
275 		advert = mii->mdio_read(dev, mii->phy_id, MII_ADVERTISE);  in mii_ethtool_sset()
277 		if (mii->supports_gmii) {  in mii_ethtool_sset()
278 			advert2 = mii->mdio_read(dev, mii->phy_id, MII_CTRL1000);  in mii_ethtool_sset()
281 		tmp |= ethtool_adv_to_mii_adv_t(ecmd->advertising);  in mii_ethtool_sset()
283 		if (mii->supports_gmii)  in mii_ethtool_sset()
285 			      ethtool_adv_to_mii_ctrl1000_t(ecmd->advertising);  in mii_ethtool_sset()
287 			mii->mdio_write(dev, mii->phy_id, MII_ADVERTISE, tmp);  in mii_ethtool_sset()
288 			mii->advertising = tmp;  in mii_ethtool_sset()
290 		if ((mii->supports_gmii) && (advert2 != tmp2))  in mii_ethtool_sset()
291 			mii->mdio_write(dev, mii->phy_id, MII_CTRL1000, tmp2);  in mii_ethtool_sset()
294 		bmcr = mii->mdio_read(dev, mii->phy_id, MII_BMCR);  in mii_ethtool_sset()
296 		mii->mdio_write(dev, mii->phy_id, MII_BMCR, bmcr);  in mii_ethtool_sset()
298 		mii->force_media = 0;  in mii_ethtool_sset()
303 		bmcr = mii->mdio_read(dev, mii->phy_id, MII_BMCR);  in mii_ethtool_sset()
310 		if (ecmd->duplex == DUPLEX_FULL) {  in mii_ethtool_sset()
312 			mii->full_duplex = 1;  in mii_ethtool_sset()
314 			mii->full_duplex = 0;  in mii_ethtool_sset()
316 			mii->mdio_write(dev, mii->phy_id, MII_BMCR, tmp);  in mii_ethtool_sset()
318 		mii->force_media = 1;  in mii_ethtool_sset()
324  * mii_ethtool_set_link_ksettings - set settings that are specified in @cmd
333 	struct net_device *dev = mii->dev;  in mii_ethtool_set_link_ksettings()
334 	u32 speed = cmd->base.speed;  in mii_ethtool_set_link_ksettings()
339 		return -EINVAL;  in mii_ethtool_set_link_ksettings()
340 	if (cmd->base.duplex != DUPLEX_HALF && cmd->base.duplex != DUPLEX_FULL)  in mii_ethtool_set_link_ksettings()
341 		return -EINVAL;  in mii_ethtool_set_link_ksettings()
342 	if (cmd->base.port != PORT_MII)  in mii_ethtool_set_link_ksettings()
343 		return -EINVAL;  in mii_ethtool_set_link_ksettings()
344 	if (cmd->base.phy_address != mii->phy_id)  in mii_ethtool_set_link_ksettings()
345 		return -EINVAL;  in mii_ethtool_set_link_ksettings()
346 	if (cmd->base.autoneg != AUTONEG_DISABLE &&  in mii_ethtool_set_link_ksettings()
347 	    cmd->base.autoneg != AUTONEG_ENABLE)  in mii_ethtool_set_link_ksettings()
348 		return -EINVAL;  in mii_ethtool_set_link_ksettings()
349 	if ((speed == SPEED_1000) && (!mii->supports_gmii))  in mii_ethtool_set_link_ksettings()
350 		return -EINVAL;  in mii_ethtool_set_link_ksettings()
354 	if (cmd->base.autoneg == AUTONEG_ENABLE) {  in mii_ethtool_set_link_ksettings()
360 			&advertising, cmd->link_modes.advertising);  in mii_ethtool_set_link_ksettings()
368 			return -EINVAL;  in mii_ethtool_set_link_ksettings()
371 		advert = mii->mdio_read(dev, mii->phy_id, MII_ADVERTISE);  in mii_ethtool_set_link_ksettings()
373 		if (mii->supports_gmii) {  in mii_ethtool_set_link_ksettings()
374 			advert2 = mii->mdio_read(dev, mii->phy_id,  in mii_ethtool_set_link_ksettings()
381 		if (mii->supports_gmii)  in mii_ethtool_set_link_ksettings()
384 			mii->mdio_write(dev, mii->phy_id, MII_ADVERTISE, tmp);  in mii_ethtool_set_link_ksettings()
385 			mii->advertising = tmp;  in mii_ethtool_set_link_ksettings()
387 		if ((mii->supports_gmii) && (advert2 != tmp2))  in mii_ethtool_set_link_ksettings()
388 			mii->mdio_write(dev, mii->phy_id, MII_CTRL1000, tmp2);  in mii_ethtool_set_link_ksettings()
391 		bmcr = mii->mdio_read(dev, mii->phy_id, MII_BMCR);  in mii_ethtool_set_link_ksettings()
393 		mii->mdio_write(dev, mii->phy_id, MII_BMCR, bmcr);  in mii_ethtool_set_link_ksettings()
395 		mii->force_media = 0;  in mii_ethtool_set_link_ksettings()
400 		bmcr = mii->mdio_read(dev, mii->phy_id, MII_BMCR);  in mii_ethtool_set_link_ksettings()
407 		if (cmd->base.duplex == DUPLEX_FULL) {  in mii_ethtool_set_link_ksettings()
409 			mii->full_duplex = 1;  in mii_ethtool_set_link_ksettings()
411 			mii->full_duplex = 0;  in mii_ethtool_set_link_ksettings()
414 			mii->mdio_write(dev, mii->phy_id, MII_BMCR, tmp);  in mii_ethtool_set_link_ksettings()
416 		mii->force_media = 1;  in mii_ethtool_set_link_ksettings()
422  * mii_check_gmii_support - check if the MII supports Gb interfaces
429 	reg = mii->mdio_read(mii->dev, mii->phy_id, MII_BMSR);  in mii_check_gmii_support()
431 		reg = mii->mdio_read(mii->dev, mii->phy_id, MII_ESTATUS);  in mii_check_gmii_support()
440  * mii_link_ok - is link status up/ok
448 	mii->mdio_read(mii->dev, mii->phy_id, MII_BMSR);  in mii_link_ok()
449 	if (mii->mdio_read(mii->dev, mii->phy_id, MII_BMSR) & BMSR_LSTATUS)  in mii_link_ok()
455  * mii_nway_restart - restart NWay (autonegotiation) for this interface
463 	int r = -EINVAL;  in mii_nway_restart()
466 	bmcr = mii->mdio_read(mii->dev, mii->phy_id, MII_BMCR);  in mii_nway_restart()
470 		mii->mdio_write(mii->dev, mii->phy_id, MII_BMCR, bmcr);  in mii_nway_restart()
478  * mii_check_link - check MII link status
488 	int prev_link = netif_carrier_ok(mii->dev);  in mii_check_link()
491 		netif_carrier_on(mii->dev);  in mii_check_link()
493 		netif_carrier_off(mii->dev);  in mii_check_link()
497  * mii_check_media - check the MII interface for a carrier/speed/duplex change
514 	old_carrier = netif_carrier_ok(mii->dev) ? 1 : 0;  in mii_check_media()
525 		netif_carrier_off(mii->dev);  in mii_check_media()
527 			netdev_info(mii->dev, "link down\n");  in mii_check_media()
534 	netif_carrier_on(mii->dev);  in mii_check_media()
536 	if (mii->force_media) {  in mii_check_media()
538 			netdev_info(mii->dev, "link up\n");  in mii_check_media()
543 	if ((!init_media) && (mii->advertising))  in mii_check_media()
544 		advertise = mii->advertising;  in mii_check_media()
546 		advertise = mii->mdio_read(mii->dev, mii->phy_id, MII_ADVERTISE);  in mii_check_media()
547 		mii->advertising = advertise;  in mii_check_media()
549 	lpa = mii->mdio_read(mii->dev, mii->phy_id, MII_LPA);  in mii_check_media()
550 	if (mii->supports_gmii)  in mii_check_media()
551 		lpa2 = mii->mdio_read(mii->dev, mii->phy_id, MII_STAT1000);  in mii_check_media()
560 		netdev_info(mii->dev, "link up, %uMbps, %s-duplex, lpa 0x%04X\n",  in mii_check_media()
567 	if ((init_media) || (mii->full_duplex != duplex)) {  in mii_check_media()
568 		mii->full_duplex = duplex;  in mii_check_media()
576  * generic_mii_ioctl - main MII ioctl interface
595 	mii_data->phy_id &= mii_if->phy_id_mask;  in generic_mii_ioctl()
596 	mii_data->reg_num &= mii_if->reg_num_mask;  in generic_mii_ioctl()
600 		mii_data->phy_id = mii_if->phy_id;  in generic_mii_ioctl()
604 		mii_data->val_out =  in generic_mii_ioctl()
605 			mii_if->mdio_read(mii_if->dev, mii_data->phy_id,  in generic_mii_ioctl()
606 					  mii_data->reg_num);  in generic_mii_ioctl()
610 		u16 val = mii_data->val_in;  in generic_mii_ioctl()
612 		if (mii_data->phy_id == mii_if->phy_id) {  in generic_mii_ioctl()
613 			switch(mii_data->reg_num) {  in generic_mii_ioctl()
617 					mii_if->force_media = 0;  in generic_mii_ioctl()
619 					mii_if->force_media = 1;  in generic_mii_ioctl()
620 				if (mii_if->force_media &&  in generic_mii_ioctl()
623 				if (mii_if->full_duplex != new_duplex) {  in generic_mii_ioctl()
625 					mii_if->full_duplex = new_duplex;  in generic_mii_ioctl()
630 				mii_if->advertising = val;  in generic_mii_ioctl()
638 		mii_if->mdio_write(mii_if->dev, mii_data->phy_id,  in generic_mii_ioctl()
639 				   mii_data->reg_num, val);  in generic_mii_ioctl()
644 		rc = -EOPNOTSUPP;  in generic_mii_ioctl()