64 static void phy_process_state_change(struct phy_device *phydev,  in phy_process_state_change()  argument
67 	if (old_state != phydev->state) {  in phy_process_state_change()
68 		phydev_dbg(phydev, "PHY state change %s -> %s\n",  in phy_process_state_change()
70 			   phy_state_to_str(phydev->state));  in phy_process_state_change()
71 		if (phydev->drv && phydev->drv->link_change_notify)  in phy_process_state_change()
72 			phydev->drv->link_change_notify(phydev);  in phy_process_state_change()
76 static void phy_link_up(struct phy_device *phydev)  in phy_link_up()  argument
78 	phydev->phy_link_change(phydev, true);  in phy_link_up()
79 	phy_led_trigger_change_speed(phydev);  in phy_link_up()
82 static void phy_link_down(struct phy_device *phydev)  in phy_link_down()  argument
84 	phydev->phy_link_change(phydev, false);  in phy_link_down()
85 	phy_led_trigger_change_speed(phydev);  in phy_link_down()
86 	WRITE_ONCE(phydev->link_down_events, phydev->link_down_events + 1);  in phy_link_down()
89 static const char *phy_pause_str(struct phy_device *phydev)  in phy_pause_str()  argument
93 	if (phydev->autoneg == AUTONEG_DISABLE)  in phy_pause_str()
97 					phydev->advertising);  in phy_pause_str()
99 					     phydev->advertising);  in phy_pause_str()
101 	if (local_pause && phydev->pause)  in phy_pause_str()
104 	if (local_asym_pause && phydev->asym_pause) {  in phy_pause_str()
107 		if (phydev->pause)  in phy_pause_str()
119 void phy_print_status(struct phy_device *phydev)  in phy_print_status()  argument
121 	if (phydev->link) {  in phy_print_status()
122 		netdev_info(phydev->attached_dev,  in phy_print_status()
124 			phy_speed_to_str(phydev->speed),  in phy_print_status()
125 			phy_duplex_to_str(phydev->duplex),  in phy_print_status()
126 			phydev->downshifted_rate ? "(downshifted) " : "",  in phy_print_status()
127 			phy_pause_str(phydev));  in phy_print_status()
129 		netdev_info(phydev->attached_dev, "Link is Down\n");  in phy_print_status()
146 int phy_get_rate_matching(struct phy_device *phydev,  in phy_get_rate_matching()  argument
151 	if (phydev->drv->get_rate_matching) {  in phy_get_rate_matching()
152 		mutex_lock(&phydev->lock);  in phy_get_rate_matching()
153 		ret = phydev->drv->get_rate_matching(phydev, iface);  in phy_get_rate_matching()
154 		mutex_unlock(&phydev->lock);  in phy_get_rate_matching()
168 static int phy_config_interrupt(struct phy_device *phydev, bool interrupts)  in phy_config_interrupt()  argument
170 	phydev->interrupts = interrupts ? 1 : 0;  in phy_config_interrupt()
171 	if (phydev->drv->config_intr)  in phy_config_interrupt()
172 		return phydev->drv->config_intr(phydev);  in phy_config_interrupt()
184 int phy_restart_aneg(struct phy_device *phydev)  in phy_restart_aneg()  argument
188 	if (phydev->is_c45 && !(phydev->c45_ids.devices_in_package & BIT(0)))  in phy_restart_aneg()
189 		ret = genphy_c45_restart_aneg(phydev);  in phy_restart_aneg()
191 		ret = genphy_restart_aneg(phydev);  in phy_restart_aneg()
205 int phy_aneg_done(struct phy_device *phydev)  in phy_aneg_done()  argument
207 	if (phydev->drv && phydev->drv->aneg_done)  in phy_aneg_done()
208 		return phydev->drv->aneg_done(phydev);  in phy_aneg_done()
209 	else if (phydev->is_c45)  in phy_aneg_done()
210 		return genphy_c45_aneg_done(phydev);  in phy_aneg_done()
212 		return genphy_aneg_done(phydev);  in phy_aneg_done()
256 static void phy_sanitize_settings(struct phy_device *phydev)  in phy_sanitize_settings()  argument
260 	c = phy_caps_lookup(phydev->speed, phydev->duplex, phydev->supported,  in phy_sanitize_settings()
264 		phydev->speed = c->speed;  in phy_sanitize_settings()
265 		phydev->duplex = c->duplex;  in phy_sanitize_settings()
268 		phydev->speed = SPEED_UNKNOWN;  in phy_sanitize_settings()
269 		phydev->duplex = DUPLEX_UNKNOWN;  in phy_sanitize_settings()
273 void phy_ethtool_ksettings_get(struct phy_device *phydev,  in phy_ethtool_ksettings_get()  argument
276 	mutex_lock(&phydev->lock);  in phy_ethtool_ksettings_get()
277 	linkmode_copy(cmd->link_modes.supported, phydev->supported);  in phy_ethtool_ksettings_get()
278 	linkmode_copy(cmd->link_modes.advertising, phydev->advertising);  in phy_ethtool_ksettings_get()
279 	linkmode_copy(cmd->link_modes.lp_advertising, phydev->lp_advertising);  in phy_ethtool_ksettings_get()
281 	cmd->base.speed = phydev->speed;  in phy_ethtool_ksettings_get()
282 	cmd->base.duplex = phydev->duplex;  in phy_ethtool_ksettings_get()
283 	cmd->base.master_slave_cfg = phydev->master_slave_get;  in phy_ethtool_ksettings_get()
284 	cmd->base.master_slave_state = phydev->master_slave_state;  in phy_ethtool_ksettings_get()
285 	cmd->base.rate_matching = phydev->rate_matching;  in phy_ethtool_ksettings_get()
286 	if (phydev->interface == PHY_INTERFACE_MODE_MOCA)  in phy_ethtool_ksettings_get()
289 		cmd->base.port = phydev->port;  in phy_ethtool_ksettings_get()
290 	cmd->base.transceiver = phydev->is_internal ?  in phy_ethtool_ksettings_get()
292 	cmd->base.phy_address = phydev->mdio.addr;  in phy_ethtool_ksettings_get()
293 	cmd->base.autoneg = phydev->autoneg;  in phy_ethtool_ksettings_get()
294 	cmd->base.eth_tp_mdix_ctrl = phydev->mdix_ctrl;  in phy_ethtool_ksettings_get()
295 	cmd->base.eth_tp_mdix = phydev->mdix;  in phy_ethtool_ksettings_get()
296 	mutex_unlock(&phydev->lock);  in phy_ethtool_ksettings_get()
310 int phy_mii_ioctl(struct phy_device *phydev, struct ifreq *ifr, int cmd)  in phy_mii_ioctl()  argument
323 		mii_data->phy_id = phydev->mdio.addr;  in phy_mii_ioctl()
330 			ret = mdiobus_c45_read(phydev->mdio.bus, prtad, devad,  in phy_mii_ioctl()
334 			ret = mdiobus_read(phydev->mdio.bus, mii_data->phy_id,  in phy_mii_ioctl()
353 		if (prtad == phydev->mdio.addr) {  in phy_mii_ioctl()
357 					if (phydev->autoneg == AUTONEG_ENABLE)  in phy_mii_ioctl()
359 					phydev->autoneg = AUTONEG_DISABLE;  in phy_mii_ioctl()
361 						phydev->duplex = DUPLEX_FULL;  in phy_mii_ioctl()
363 						phydev->duplex = DUPLEX_HALF;  in phy_mii_ioctl()
365 						phydev->speed = SPEED_1000;  in phy_mii_ioctl()
367 						phydev->speed = SPEED_100;  in phy_mii_ioctl()
368 					else phydev->speed = SPEED_10;  in phy_mii_ioctl()
370 					if (phydev->autoneg == AUTONEG_DISABLE)  in phy_mii_ioctl()
372 					phydev->autoneg = AUTONEG_ENABLE;  in phy_mii_ioctl()
376 				mii_adv_mod_linkmode_adv_t(phydev->advertising,  in phy_mii_ioctl()
381 				mii_ctrl1000_mod_linkmode_adv_t(phydev->advertising,  in phy_mii_ioctl()
392 			mdiobus_c45_write(phydev->mdio.bus, prtad, devad,  in phy_mii_ioctl()
395 			mdiobus_write(phydev->mdio.bus, prtad, devad, val);  in phy_mii_ioctl()
397 		if (prtad == phydev->mdio.addr &&  in phy_mii_ioctl()
400 			return phy_init_hw(phydev);  in phy_mii_ioctl()
403 			return phy_start_aneg(phydev);  in phy_mii_ioctl()
408 		if (phydev->mii_ts && phydev->mii_ts->hwtstamp_set) {  in phy_mii_ioctl()
413 			ret = phydev->mii_ts->hwtstamp_set(phydev->mii_ts,  in phy_mii_ioctl()
441 	if (!dev->phydev)  in phy_do_ioctl()
444 	return phy_mii_ioctl(dev->phydev, ifr, cmd);  in phy_do_ioctl()
475 int __phy_hwtstamp_get(struct phy_device *phydev,  in __phy_hwtstamp_get()  argument
478 	if (!phydev)  in __phy_hwtstamp_get()
481 	if (phydev->mii_ts && phydev->mii_ts->hwtstamp_get)  in __phy_hwtstamp_get()
482 		return phydev->mii_ts->hwtstamp_get(phydev->mii_ts, config);  in __phy_hwtstamp_get()
494 int __phy_hwtstamp_set(struct phy_device *phydev,  in __phy_hwtstamp_set()  argument
498 	if (!phydev)  in __phy_hwtstamp_set()
501 	if (phydev->mii_ts && phydev->mii_ts->hwtstamp_set)  in __phy_hwtstamp_set()
502 		return phydev->mii_ts->hwtstamp_set(phydev->mii_ts, config,  in __phy_hwtstamp_set()
514 static void phy_queue_state_machine(struct phy_device *phydev,  in phy_queue_state_machine()  argument
517 	mod_delayed_work(system_power_efficient_wq, &phydev->state_queue,  in phy_queue_state_machine()
526 void phy_trigger_machine(struct phy_device *phydev)  in phy_trigger_machine()  argument
528 	phy_queue_state_machine(phydev, 0);  in phy_trigger_machine()
532 static void phy_abort_cable_test(struct phy_device *phydev)  in phy_abort_cable_test()  argument
536 	ethnl_cable_test_finished(phydev);  in phy_abort_cable_test()
538 	err = phy_init_hw(phydev);  in phy_abort_cable_test()
540 		phydev_err(phydev, "Error while aborting cable test");  in phy_abort_cable_test()
549 int phy_ethtool_get_strings(struct phy_device *phydev, u8 *data)  in phy_ethtool_get_strings()  argument
551 	if (!phydev->drv)  in phy_ethtool_get_strings()
554 	mutex_lock(&phydev->lock);  in phy_ethtool_get_strings()
555 	phydev->drv->get_strings(phydev, data);  in phy_ethtool_get_strings()
556 	mutex_unlock(&phydev->lock);  in phy_ethtool_get_strings()
567 int phy_ethtool_get_sset_count(struct phy_device *phydev)  in phy_ethtool_get_sset_count()  argument
571 	if (!phydev->drv)  in phy_ethtool_get_sset_count()
574 	if (phydev->drv->get_sset_count &&  in phy_ethtool_get_sset_count()
575 	    phydev->drv->get_strings &&  in phy_ethtool_get_sset_count()
576 	    phydev->drv->get_stats) {  in phy_ethtool_get_sset_count()
577 		mutex_lock(&phydev->lock);  in phy_ethtool_get_sset_count()
578 		ret = phydev->drv->get_sset_count(phydev);  in phy_ethtool_get_sset_count()
579 		mutex_unlock(&phydev->lock);  in phy_ethtool_get_sset_count()
595 int phy_ethtool_get_stats(struct phy_device *phydev,  in phy_ethtool_get_stats()  argument
598 	if (!phydev->drv)  in phy_ethtool_get_stats()
601 	mutex_lock(&phydev->lock);  in phy_ethtool_get_stats()
602 	phydev->drv->get_stats(phydev, stats, data);  in phy_ethtool_get_stats()
603 	mutex_unlock(&phydev->lock);  in phy_ethtool_get_stats()
619 void __phy_ethtool_get_phy_stats(struct phy_device *phydev,  in __phy_ethtool_get_phy_stats()  argument
623 	if (!phydev->drv || !phydev->drv->get_phy_stats)  in __phy_ethtool_get_phy_stats()
626 	mutex_lock(&phydev->lock);  in __phy_ethtool_get_phy_stats()
627 	phydev->drv->get_phy_stats(phydev, phy_stats, phydev_stats);  in __phy_ethtool_get_phy_stats()
628 	mutex_unlock(&phydev->lock);  in __phy_ethtool_get_phy_stats()
639 void __phy_ethtool_get_link_ext_stats(struct phy_device *phydev,  in __phy_ethtool_get_link_ext_stats()  argument
642 	link_stats->link_down_events = READ_ONCE(phydev->link_down_events);  in __phy_ethtool_get_link_ext_stats()
644 	if (!phydev->drv || !phydev->drv->get_link_stats)  in __phy_ethtool_get_link_ext_stats()
647 	mutex_lock(&phydev->lock);  in __phy_ethtool_get_link_ext_stats()
648 	phydev->drv->get_link_stats(phydev, link_stats);  in __phy_ethtool_get_link_ext_stats()
649 	mutex_unlock(&phydev->lock);  in __phy_ethtool_get_link_ext_stats()
660 int phy_ethtool_get_plca_cfg(struct phy_device *phydev,  in phy_ethtool_get_plca_cfg()  argument
665 	if (!phydev->drv) {  in phy_ethtool_get_plca_cfg()
670 	if (!phydev->drv->get_plca_cfg) {  in phy_ethtool_get_plca_cfg()
675 	mutex_lock(&phydev->lock);  in phy_ethtool_get_plca_cfg()
676 	ret = phydev->drv->get_plca_cfg(phydev, plca_cfg);  in phy_ethtool_get_plca_cfg()
678 	mutex_unlock(&phydev->lock);  in phy_ethtool_get_plca_cfg()
693 static int plca_check_valid(struct phy_device *phydev,  in plca_check_valid()  argument
700 			       phydev->advertising)) {  in plca_check_valid()
721 int phy_ethtool_set_plca_cfg(struct phy_device *phydev,  in phy_ethtool_set_plca_cfg()  argument
728 	if (!phydev->drv) {  in phy_ethtool_set_plca_cfg()
733 	if (!phydev->drv->set_plca_cfg ||  in phy_ethtool_set_plca_cfg()
734 	    !phydev->drv->get_plca_cfg) {  in phy_ethtool_set_plca_cfg()
745 	mutex_lock(&phydev->lock);  in phy_ethtool_set_plca_cfg()
747 	ret = phydev->drv->get_plca_cfg(phydev, curr_plca_cfg);  in phy_ethtool_set_plca_cfg()
799 		ret = plca_check_valid(phydev, curr_plca_cfg, extack);  in phy_ethtool_set_plca_cfg()
804 	ret = phydev->drv->set_plca_cfg(phydev, plca_cfg);  in phy_ethtool_set_plca_cfg()
808 	mutex_unlock(&phydev->lock);  in phy_ethtool_set_plca_cfg()
821 int phy_ethtool_get_plca_status(struct phy_device *phydev,  in phy_ethtool_get_plca_status()  argument
826 	if (!phydev->drv) {  in phy_ethtool_get_plca_status()
831 	if (!phydev->drv->get_plca_status) {  in phy_ethtool_get_plca_status()
836 	mutex_lock(&phydev->lock);  in phy_ethtool_get_plca_status()
837 	ret = phydev->drv->get_plca_status(phydev, plca_st);  in phy_ethtool_get_plca_status()
839 	mutex_unlock(&phydev->lock);  in phy_ethtool_get_plca_status()
850 int phy_start_cable_test(struct phy_device *phydev,  in phy_start_cable_test()  argument
853 	struct net_device *dev = phydev->attached_dev;  in phy_start_cable_test()
856 	if (!(phydev->drv &&  in phy_start_cable_test()
857 	      phydev->drv->cable_test_start &&  in phy_start_cable_test()
858 	      phydev->drv->cable_test_get_status)) {  in phy_start_cable_test()
864 	mutex_lock(&phydev->lock);  in phy_start_cable_test()
865 	if (phydev->state == PHY_CABLETEST) {  in phy_start_cable_test()
872 	if (phydev->state < PHY_UP ||  in phy_start_cable_test()
873 	    phydev->state > PHY_CABLETEST) {  in phy_start_cable_test()
880 	err = ethnl_cable_test_alloc(phydev, ETHTOOL_MSG_CABLE_TEST_NTF);  in phy_start_cable_test()
885 	phy_link_down(phydev);  in phy_start_cable_test()
888 	err = phydev->drv->cable_test_start(phydev);  in phy_start_cable_test()
891 		phy_link_up(phydev);  in phy_start_cable_test()
895 	phydev->state = PHY_CABLETEST;  in phy_start_cable_test()
897 	if (phy_polling_mode(phydev))  in phy_start_cable_test()
898 		phy_trigger_machine(phydev);  in phy_start_cable_test()
900 	mutex_unlock(&phydev->lock);  in phy_start_cable_test()
905 	ethnl_cable_test_free(phydev);  in phy_start_cable_test()
907 	mutex_unlock(&phydev->lock);  in phy_start_cable_test()
920 int phy_start_cable_test_tdr(struct phy_device *phydev,  in phy_start_cable_test_tdr()  argument
924 	struct net_device *dev = phydev->attached_dev;  in phy_start_cable_test_tdr()
927 	if (!(phydev->drv &&  in phy_start_cable_test_tdr()
928 	      phydev->drv->cable_test_tdr_start &&  in phy_start_cable_test_tdr()
929 	      phydev->drv->cable_test_get_status)) {  in phy_start_cable_test_tdr()
935 	mutex_lock(&phydev->lock);  in phy_start_cable_test_tdr()
936 	if (phydev->state == PHY_CABLETEST) {  in phy_start_cable_test_tdr()
943 	if (phydev->state < PHY_UP ||  in phy_start_cable_test_tdr()
944 	    phydev->state > PHY_CABLETEST) {  in phy_start_cable_test_tdr()
951 	err = ethnl_cable_test_alloc(phydev, ETHTOOL_MSG_CABLE_TEST_TDR_NTF);  in phy_start_cable_test_tdr()
956 	phy_link_down(phydev);  in phy_start_cable_test_tdr()
959 	err = phydev->drv->cable_test_tdr_start(phydev, config);  in phy_start_cable_test_tdr()
962 		phy_link_up(phydev);  in phy_start_cable_test_tdr()
966 	phydev->state = PHY_CABLETEST;  in phy_start_cable_test_tdr()
968 	if (phy_polling_mode(phydev))  in phy_start_cable_test_tdr()
969 		phy_trigger_machine(phydev);  in phy_start_cable_test_tdr()
971 	mutex_unlock(&phydev->lock);  in phy_start_cable_test_tdr()
976 	ethnl_cable_test_free(phydev);  in phy_start_cable_test_tdr()
978 	mutex_unlock(&phydev->lock);  in phy_start_cable_test_tdr()
984 int phy_config_aneg(struct phy_device *phydev)  in phy_config_aneg()  argument
986 	if (phydev->drv->config_aneg)  in phy_config_aneg()
987 		return phydev->drv->config_aneg(phydev);  in phy_config_aneg()
992 	if (phydev->is_c45 && !(phydev->c45_ids.devices_in_package & BIT(0)))  in phy_config_aneg()
993 		return genphy_c45_config_aneg(phydev);  in phy_config_aneg()
995 	return genphy_config_aneg(phydev);  in phy_config_aneg()
1006 static int phy_check_link_status(struct phy_device *phydev)  in phy_check_link_status()  argument
1010 	lockdep_assert_held(&phydev->lock);  in phy_check_link_status()
1015 	if (phydev->loopback_enabled)  in phy_check_link_status()
1018 	err = phy_read_status(phydev);  in phy_check_link_status()
1022 	if (phydev->link && phydev->state != PHY_RUNNING) {  in phy_check_link_status()
1023 		phy_check_downshift(phydev);  in phy_check_link_status()
1024 		phydev->state = PHY_RUNNING;  in phy_check_link_status()
1025 		err = genphy_c45_eee_is_active(phydev, NULL);  in phy_check_link_status()
1026 		phydev->eee_active = err > 0;  in phy_check_link_status()
1027 		phydev->enable_tx_lpi = phydev->eee_cfg.tx_lpi_enabled &&  in phy_check_link_status()
1028 					phydev->eee_active;  in phy_check_link_status()
1030 		phy_link_up(phydev);  in phy_check_link_status()
1031 	} else if (!phydev->link && phydev->state != PHY_NOLINK) {  in phy_check_link_status()
1032 		phydev->state = PHY_NOLINK;  in phy_check_link_status()
1033 		phydev->eee_active = false;  in phy_check_link_status()
1034 		phydev->enable_tx_lpi = false;  in phy_check_link_status()
1035 		phy_link_down(phydev);  in phy_check_link_status()
1052 unsigned int phy_inband_caps(struct phy_device *phydev,  in phy_inband_caps()  argument
1055 	if (phydev->drv && phydev->drv->inband_caps)  in phy_inband_caps()
1056 		return phydev->drv->inband_caps(phydev, interface);  in phy_inband_caps()
1072 int phy_config_inband(struct phy_device *phydev, unsigned int modes)  in phy_config_inband()  argument
1074 	lockdep_assert_held(&phydev->lock);  in phy_config_inband()
1081 	if (!phydev->drv)  in phy_config_inband()
1083 	else if (!phydev->drv->config_inband)  in phy_config_inband()
1086 	return phydev->drv->config_inband(phydev, modes);  in phy_config_inband()
1099 int _phy_start_aneg(struct phy_device *phydev)  in _phy_start_aneg()  argument
1103 	lockdep_assert_held(&phydev->lock);  in _phy_start_aneg()
1105 	if (!phydev->drv)  in _phy_start_aneg()
1108 	if (AUTONEG_DISABLE == phydev->autoneg)  in _phy_start_aneg()
1109 		phy_sanitize_settings(phydev);  in _phy_start_aneg()
1111 	err = phy_config_aneg(phydev);  in _phy_start_aneg()
1115 	if (phy_is_started(phydev))  in _phy_start_aneg()
1116 		err = phy_check_link_status(phydev);  in _phy_start_aneg()
1131 int phy_start_aneg(struct phy_device *phydev)  in phy_start_aneg()  argument
1135 	mutex_lock(&phydev->lock);  in phy_start_aneg()
1136 	err = _phy_start_aneg(phydev);  in phy_start_aneg()
1137 	mutex_unlock(&phydev->lock);  in phy_start_aneg()
1143 static int phy_poll_aneg_done(struct phy_device *phydev)  in phy_poll_aneg_done()  argument
1150 		ret = phy_aneg_done(phydev);  in phy_poll_aneg_done()
1159 int phy_ethtool_ksettings_set(struct phy_device *phydev,  in phy_ethtool_ksettings_set()  argument
1167 	if (cmd->base.phy_address != phydev->mdio.addr)  in phy_ethtool_ksettings_set()
1173 	linkmode_and(advertising, advertising, phydev->supported);  in phy_ethtool_ksettings_set()
1182 				phydev->supported)))  in phy_ethtool_ksettings_set()
1193 	mutex_lock(&phydev->lock);  in phy_ethtool_ksettings_set()
1194 	phydev->autoneg = autoneg;  in phy_ethtool_ksettings_set()
1197 		phydev->speed = speed;  in phy_ethtool_ksettings_set()
1198 		phydev->duplex = duplex;  in phy_ethtool_ksettings_set()
1201 	linkmode_copy(phydev->advertising, advertising);  in phy_ethtool_ksettings_set()
1204 			 phydev->advertising, autoneg == AUTONEG_ENABLE);  in phy_ethtool_ksettings_set()
1206 	phydev->master_slave_set = cmd->base.master_slave_cfg;  in phy_ethtool_ksettings_set()
1207 	phydev->mdix_ctrl = cmd->base.eth_tp_mdix_ctrl;  in phy_ethtool_ksettings_set()
1210 	if (phy_is_started(phydev)) {  in phy_ethtool_ksettings_set()
1211 		phydev->state = PHY_UP;  in phy_ethtool_ksettings_set()
1212 		phy_trigger_machine(phydev);  in phy_ethtool_ksettings_set()
1214 		_phy_start_aneg(phydev);  in phy_ethtool_ksettings_set()
1217 	mutex_unlock(&phydev->lock);  in phy_ethtool_ksettings_set()
1235 int phy_speed_down(struct phy_device *phydev, bool sync)  in phy_speed_down()  argument
1240 	mutex_lock(&phydev->lock);  in phy_speed_down()
1242 	if (phydev->autoneg != AUTONEG_ENABLE)  in phy_speed_down()
1245 	linkmode_copy(adv_tmp, phydev->advertising);  in phy_speed_down()
1247 	ret = phy_speed_down_core(phydev);  in phy_speed_down()
1251 	linkmode_copy(phydev->adv_old, adv_tmp);  in phy_speed_down()
1253 	if (linkmode_equal(phydev->advertising, adv_tmp)) {  in phy_speed_down()
1258 	ret = phy_config_aneg(phydev);  in phy_speed_down()
1262 	ret = sync ? phy_poll_aneg_done(phydev) : 0;  in phy_speed_down()
1264 	mutex_unlock(&phydev->lock);  in phy_speed_down()
1276 int phy_speed_up(struct phy_device *phydev)  in phy_speed_up()  argument
1281 	mutex_lock(&phydev->lock);  in phy_speed_up()
1283 	if (phydev->autoneg != AUTONEG_ENABLE)  in phy_speed_up()
1286 	if (linkmode_empty(phydev->adv_old))  in phy_speed_up()
1289 	linkmode_copy(adv_tmp, phydev->advertising);  in phy_speed_up()
1290 	linkmode_copy(phydev->advertising, phydev->adv_old);  in phy_speed_up()
1291 	linkmode_zero(phydev->adv_old);  in phy_speed_up()
1293 	if (linkmode_equal(phydev->advertising, adv_tmp))  in phy_speed_up()
1296 	ret = phy_config_aneg(phydev);  in phy_speed_up()
1298 	mutex_unlock(&phydev->lock);  in phy_speed_up()
1314 void phy_start_machine(struct phy_device *phydev)  in phy_start_machine()  argument
1316 	phy_trigger_machine(phydev);  in phy_start_machine()
1328 void phy_stop_machine(struct phy_device *phydev)  in phy_stop_machine()  argument
1330 	cancel_delayed_work_sync(&phydev->state_queue);  in phy_stop_machine()
1332 	mutex_lock(&phydev->lock);  in phy_stop_machine()
1333 	if (phy_is_started(phydev))  in phy_stop_machine()
1334 		phydev->state = PHY_UP;  in phy_stop_machine()
1335 	mutex_unlock(&phydev->lock);  in phy_stop_machine()
1338 static void phy_process_error(struct phy_device *phydev)  in phy_process_error()  argument
1341 	if (!mutex_is_locked(&phydev->lock))  in phy_process_error()
1342 		phydev_err(phydev, "PHY-device data unsafe context\n");  in phy_process_error()
1344 	phydev->state = PHY_ERROR;  in phy_process_error()
1346 	phy_trigger_machine(phydev);  in phy_process_error()
1349 static void phy_error_precise(struct phy_device *phydev,  in phy_error_precise()  argument
1353 	phy_process_error(phydev);  in phy_error_precise()
1364 void phy_error(struct phy_device *phydev)  in phy_error()  argument
1367 	phy_process_error(phydev);  in phy_error()
1375 int phy_disable_interrupts(struct phy_device *phydev)  in phy_disable_interrupts()  argument
1378 	return phy_config_interrupt(phydev, PHY_INTERRUPT_DISABLED);  in phy_disable_interrupts()
1390 	struct phy_device *phydev = phy_dat;  in phy_interrupt()  local
1396 	if (IS_ENABLED(CONFIG_PM_SLEEP) && phydev->irq_suspended) {  in phy_interrupt()
1397 		struct net_device *netdev = phydev->attached_dev;  in phy_interrupt()
1410 		phydev->irq_rerun = 1;  in phy_interrupt()
1415 	mutex_lock(&phydev->lock);  in phy_interrupt()
1416 	ret = phydev->drv->handle_interrupt(phydev);  in phy_interrupt()
1417 	mutex_unlock(&phydev->lock);  in phy_interrupt()
1426 static int phy_enable_interrupts(struct phy_device *phydev)  in phy_enable_interrupts()  argument
1428 	return phy_config_interrupt(phydev, PHY_INTERRUPT_ENABLED);  in phy_enable_interrupts()
1440 static int phy_update_stats(struct phy_device *phydev)  in phy_update_stats()  argument
1442 	if (!phydev->drv->update_stats)  in phy_update_stats()
1445 	return phydev->drv->update_stats(phydev);  in phy_update_stats()
1456 void phy_request_interrupt(struct phy_device *phydev)  in phy_request_interrupt()  argument
1460 	err = request_threaded_irq(phydev->irq, NULL, phy_interrupt,  in phy_request_interrupt()
1462 				   phydev_name(phydev), phydev);  in phy_request_interrupt()
1464 		phydev_warn(phydev, "Error %d requesting IRQ %d, falling back to polling\n",  in phy_request_interrupt()
1465 			    err, phydev->irq);  in phy_request_interrupt()
1466 		phydev->irq = PHY_POLL;  in phy_request_interrupt()
1468 		if (phy_enable_interrupts(phydev)) {  in phy_request_interrupt()
1469 			phydev_warn(phydev, "Can't enable interrupt, falling back to polling\n");  in phy_request_interrupt()
1470 			phy_free_interrupt(phydev);  in phy_request_interrupt()
1471 			phydev->irq = PHY_POLL;  in phy_request_interrupt()
1484 void phy_free_interrupt(struct phy_device *phydev)  in phy_free_interrupt()  argument
1486 	phy_disable_interrupts(phydev);  in phy_free_interrupt()
1487 	free_irq(phydev->irq, phydev);  in phy_free_interrupt()
1501 static unsigned int phy_get_next_update_time(struct phy_device *phydev)  in phy_get_next_update_time()  argument
1503 	if (phydev->drv && phydev->drv->get_next_update_time)  in phy_get_next_update_time()
1504 		return phydev->drv->get_next_update_time(phydev);  in phy_get_next_update_time()
1515 static enum phy_state_work _phy_state_machine(struct phy_device *phydev)  in _phy_state_machine()  argument
1518 	struct net_device *dev = phydev->attached_dev;  in _phy_state_machine()
1519 	enum phy_state old_state = phydev->state;  in _phy_state_machine()
1524 	switch (phydev->state) {  in _phy_state_machine()
1533 		err = phy_check_link_status(phydev);  in _phy_state_machine()
1537 			err = phy_update_stats(phydev);  in _phy_state_machine()
1540 		err = phydev->drv->cable_test_get_status(phydev, &finished);  in _phy_state_machine()
1542 			phy_abort_cable_test(phydev);  in _phy_state_machine()
1545 			phydev->state = PHY_UP;  in _phy_state_machine()
1550 			ethnl_cable_test_finished(phydev);  in _phy_state_machine()
1553 			phydev->state = PHY_UP;  in _phy_state_machine()
1557 		if (phydev->link) {  in _phy_state_machine()
1558 			if (phydev->autoneg == AUTONEG_ENABLE) {  in _phy_state_machine()
1559 				phydev->speed = SPEED_UNKNOWN;  in _phy_state_machine()
1560 				phydev->duplex = DUPLEX_UNKNOWN;  in _phy_state_machine()
1562 			if (phydev->master_slave_state !=  in _phy_state_machine()
1564 				phydev->master_slave_state =  in _phy_state_machine()
1566 			phydev->mdix = ETH_TP_MDI_INVALID;  in _phy_state_machine()
1567 			linkmode_zero(phydev->lp_advertising);  in _phy_state_machine()
1571 		if (phydev->link) {  in _phy_state_machine()
1572 			phydev->link = 0;  in _phy_state_machine()
1573 			phydev->eee_active = false;  in _phy_state_machine()
1574 			phydev->enable_tx_lpi = false;  in _phy_state_machine()
1575 			phy_link_down(phydev);  in _phy_state_machine()
1582 		err = _phy_start_aneg(phydev);  in _phy_state_machine()
1590 		phy_error_precise(phydev, func, err);  in _phy_state_machine()
1592 	phy_process_state_change(phydev, old_state);  in _phy_state_machine()
1602 	if (phy_polling_mode(phydev) && phy_is_started(phydev))  in _phy_state_machine()
1603 		phy_queue_state_machine(phydev,  in _phy_state_machine()
1604 					phy_get_next_update_time(phydev));  in _phy_state_machine()
1610 static void _phy_state_machine_post_work(struct phy_device *phydev,  in _phy_state_machine_post_work()  argument
1614 		phy_suspend(phydev);  in _phy_state_machine_post_work()
1624 	struct phy_device *phydev =  in phy_state_machine()  local
1628 	mutex_lock(&phydev->lock);  in phy_state_machine()
1629 	state_work = _phy_state_machine(phydev);  in phy_state_machine()
1630 	mutex_unlock(&phydev->lock);  in phy_state_machine()
1632 	_phy_state_machine_post_work(phydev, state_work);  in phy_state_machine()
1639 void phy_stop(struct phy_device *phydev)  in phy_stop()  argument
1641 	struct net_device *dev = phydev->attached_dev;  in phy_stop()
1645 	if (!phy_is_started(phydev) && phydev->state != PHY_DOWN &&  in phy_stop()
1646 	    phydev->state != PHY_ERROR) {  in phy_stop()
1648 		     phy_state_to_str(phydev->state));  in phy_stop()
1652 	mutex_lock(&phydev->lock);  in phy_stop()
1653 	old_state = phydev->state;  in phy_stop()
1655 	if (phydev->state == PHY_CABLETEST) {  in phy_stop()
1656 		phy_abort_cable_test(phydev);  in phy_stop()
1660 	if (phydev->sfp_bus)  in phy_stop()
1661 		sfp_upstream_stop(phydev->sfp_bus);  in phy_stop()
1663 	phydev->state = PHY_HALTED;  in phy_stop()
1664 	phy_process_state_change(phydev, old_state);  in phy_stop()
1666 	state_work = _phy_state_machine(phydev);  in phy_stop()
1667 	mutex_unlock(&phydev->lock);  in phy_stop()
1669 	_phy_state_machine_post_work(phydev, state_work);  in phy_stop()
1670 	phy_stop_machine(phydev);  in phy_stop()
1689 void phy_start(struct phy_device *phydev)  in phy_start()  argument
1691 	mutex_lock(&phydev->lock);  in phy_start()
1693 	if (phydev->state != PHY_READY && phydev->state != PHY_HALTED) {  in phy_start()
1695 		     phy_state_to_str(phydev->state));  in phy_start()
1699 	if (phydev->sfp_bus)  in phy_start()
1700 		sfp_upstream_start(phydev->sfp_bus);  in phy_start()
1703 	__phy_resume(phydev);  in phy_start()
1705 	phydev->state = PHY_UP;  in phy_start()
1707 	phy_start_machine(phydev);  in phy_start()
1709 	mutex_unlock(&phydev->lock);  in phy_start()
1720 void phy_mac_interrupt(struct phy_device *phydev)  in phy_mac_interrupt()  argument
1723 	phy_trigger_machine(phydev);  in phy_mac_interrupt()
1738 int phy_loopback(struct phy_device *phydev, bool enable, int speed)  in phy_loopback()  argument
1743 	if (!phydev->drv)  in phy_loopback()
1746 	mutex_lock(&phydev->lock);  in phy_loopback()
1748 	if (enable && phydev->loopback_enabled) {  in phy_loopback()
1753 	if (!enable && !phydev->loopback_enabled) {  in phy_loopback()
1764 		if (phydev->link && phydev->state == PHY_RUNNING) {  in phy_loopback()
1766 			if (speed && phydev->speed != speed) {  in phy_loopback()
1768 				phydev->link = false;  in phy_loopback()
1769 				phydev->state = PHY_NOLINK;  in phy_loopback()
1770 				phy_link_down(phydev);  in phy_loopback()
1783 	if (phydev->drv->set_loopback)  in phy_loopback()
1784 		ret = phydev->drv->set_loopback(phydev, enable, speed);  in phy_loopback()
1786 		ret = genphy_loopback(phydev, enable, speed);  in phy_loopback()
1791 			if (phydev->drv->set_loopback)  in phy_loopback()
1792 				phydev->drv->set_loopback(phydev, false, 0);  in phy_loopback()
1794 				genphy_loopback(phydev, false, 0);  in phy_loopback()
1801 		phydev->link = true;  in phy_loopback()
1802 		phydev->state = PHY_RUNNING;  in phy_loopback()
1803 		phy_link_up(phydev);  in phy_loopback()
1806 	phydev->loopback_enabled = enable;  in phy_loopback()
1809 	mutex_unlock(&phydev->lock);  in phy_loopback()
1822 int phy_eee_tx_clock_stop_capable(struct phy_device *phydev)  in phy_eee_tx_clock_stop_capable()  argument
1826 	stat1 = phy_read_mmd(phydev, MDIO_MMD_PCS, MDIO_STAT1);  in phy_eee_tx_clock_stop_capable()
1844 int phy_eee_rx_clock_stop(struct phy_device *phydev, bool clk_stop_enable)  in phy_eee_rx_clock_stop()  argument
1849 	return phy_modify_mmd(phydev, MDIO_MMD_PCS, MDIO_CTRL1,  in phy_eee_rx_clock_stop()
1865 int phy_init_eee(struct phy_device *phydev, bool clk_stop_enable)  in phy_init_eee()  argument
1869 	if (!phydev->drv)  in phy_init_eee()
1872 	ret = genphy_c45_eee_is_active(phydev, NULL);  in phy_init_eee()
1879 		ret = phy_eee_rx_clock_stop(phydev, true);  in phy_init_eee()
1892 int phy_get_eee_err(struct phy_device *phydev)  in phy_get_eee_err()  argument
1896 	if (!phydev->drv)  in phy_get_eee_err()
1899 	mutex_lock(&phydev->lock);  in phy_get_eee_err()
1900 	ret = phy_read_mmd(phydev, MDIO_MMD_PCS, MDIO_PCS_EEE_WK_ERR);  in phy_get_eee_err()
1901 	mutex_unlock(&phydev->lock);  in phy_get_eee_err()
1915 int phy_ethtool_get_eee(struct phy_device *phydev, struct ethtool_keee *data)  in phy_ethtool_get_eee()  argument
1919 	if (!phydev->drv)  in phy_ethtool_get_eee()
1922 	mutex_lock(&phydev->lock);  in phy_ethtool_get_eee()
1923 	ret = genphy_c45_ethtool_get_eee(phydev, data);  in phy_ethtool_get_eee()
1924 	eeecfg_to_eee(data, &phydev->eee_cfg);  in phy_ethtool_get_eee()
1925 	mutex_unlock(&phydev->lock);  in phy_ethtool_get_eee()
1945 static void phy_ethtool_set_eee_noneg(struct phy_device *phydev,  in phy_ethtool_set_eee_noneg()  argument
1950 	if (!phydev->link)  in phy_ethtool_set_eee_noneg()
1953 	enable_tx_lpi = phydev->eee_cfg.tx_lpi_enabled && phydev->eee_active;  in phy_ethtool_set_eee_noneg()
1955 	if (phydev->enable_tx_lpi != enable_tx_lpi ||  in phy_ethtool_set_eee_noneg()
1956 	    phydev->eee_cfg.tx_lpi_timer != old_cfg->tx_lpi_timer) {  in phy_ethtool_set_eee_noneg()
1957 		phydev->enable_tx_lpi = false;  in phy_ethtool_set_eee_noneg()
1958 		phydev->link = false;  in phy_ethtool_set_eee_noneg()
1959 		phy_link_down(phydev);  in phy_ethtool_set_eee_noneg()
1960 		phydev->enable_tx_lpi = enable_tx_lpi;  in phy_ethtool_set_eee_noneg()
1961 		phydev->link = true;  in phy_ethtool_set_eee_noneg()
1962 		phy_link_up(phydev);  in phy_ethtool_set_eee_noneg()
1973 int phy_ethtool_set_eee(struct phy_device *phydev, struct ethtool_keee *data)  in phy_ethtool_set_eee()  argument
1978 	if (!phydev->drv)  in phy_ethtool_set_eee()
1981 	mutex_lock(&phydev->lock);  in phy_ethtool_set_eee()
1983 	old_cfg = phydev->eee_cfg;  in phy_ethtool_set_eee()
1984 	eee_to_eeecfg(&phydev->eee_cfg, data);  in phy_ethtool_set_eee()
1986 	ret = genphy_c45_ethtool_set_eee(phydev, data);  in phy_ethtool_set_eee()
1988 		phy_ethtool_set_eee_noneg(phydev, &old_cfg);  in phy_ethtool_set_eee()
1990 		phydev->eee_cfg = old_cfg;  in phy_ethtool_set_eee()
1992 	mutex_unlock(&phydev->lock);  in phy_ethtool_set_eee()
2004 int phy_ethtool_set_wol(struct phy_device *phydev, struct ethtool_wolinfo *wol)  in phy_ethtool_set_wol()  argument
2008 	if (phydev->drv && phydev->drv->set_wol) {  in phy_ethtool_set_wol()
2009 		mutex_lock(&phydev->lock);  in phy_ethtool_set_wol()
2010 		ret = phydev->drv->set_wol(phydev, wol);  in phy_ethtool_set_wol()
2011 		mutex_unlock(&phydev->lock);  in phy_ethtool_set_wol()
2026 void phy_ethtool_get_wol(struct phy_device *phydev, struct ethtool_wolinfo *wol)  in phy_ethtool_get_wol()  argument
2028 	if (phydev->drv && phydev->drv->get_wol) {  in phy_ethtool_get_wol()
2029 		mutex_lock(&phydev->lock);  in phy_ethtool_get_wol()
2030 		phydev->drv->get_wol(phydev, wol);  in phy_ethtool_get_wol()
2031 		mutex_unlock(&phydev->lock);  in phy_ethtool_get_wol()
2039 	struct phy_device *phydev = ndev->phydev;  in phy_ethtool_get_link_ksettings()  local
2041 	if (!phydev)  in phy_ethtool_get_link_ksettings()
2044 	phy_ethtool_ksettings_get(phydev, cmd);  in phy_ethtool_get_link_ksettings()
2053 	struct phy_device *phydev = ndev->phydev;  in phy_ethtool_set_link_ksettings()  local
2055 	if (!phydev)  in phy_ethtool_set_link_ksettings()
2058 	return phy_ethtool_ksettings_set(phydev, cmd);  in phy_ethtool_set_link_ksettings()
2068 	struct phy_device *phydev = ndev->phydev;  in phy_ethtool_nway_reset()  local
2071 	if (!phydev)  in phy_ethtool_nway_reset()
2074 	if (!phydev->drv)  in phy_ethtool_nway_reset()
2077 	mutex_lock(&phydev->lock);  in phy_ethtool_nway_reset()
2078 	ret = phy_restart_aneg(phydev);  in phy_ethtool_nway_reset()
2079 	mutex_unlock(&phydev->lock);  in phy_ethtool_nway_reset()