Lines Matching full:pl
70 /* Serialize updates to pl->phydev with phylink_resolve() */
98 #define phylink_printk(level, pl, fmt, ...) \ argument
100 if ((pl)->config->type == PHYLINK_NETDEV) \
101 netdev_printk(level, (pl)->netdev, fmt, ##__VA_ARGS__); \
102 else if ((pl)->config->type == PHYLINK_DEV) \
103 dev_printk(level, (pl)->dev, fmt, ##__VA_ARGS__); \
106 #define phylink_err(pl, fmt, ...) \ argument
107 phylink_printk(KERN_ERR, pl, fmt, ##__VA_ARGS__)
108 #define phylink_warn(pl, fmt, ...) \ argument
109 phylink_printk(KERN_WARNING, pl, fmt, ##__VA_ARGS__)
110 #define phylink_info(pl, fmt, ...) \ argument
111 phylink_printk(KERN_INFO, pl, fmt, ##__VA_ARGS__)
113 #define phylink_dbg(pl, fmt, ...) \ argument
115 if ((pl)->config->type == PHYLINK_NETDEV) \
116 netdev_dbg((pl)->netdev, fmt, ##__VA_ARGS__); \
117 else if ((pl)->config->type == PHYLINK_DEV) \
118 dev_dbg((pl)->dev, fmt, ##__VA_ARGS__); \
121 #define phylink_dbg(pl, fmt, ...) \ argument
122 phylink_printk(KERN_DEBUG, pl, fmt, ##__VA_ARGS__)
124 #define phylink_dbg(pl, fmt, ...) \ argument
127 phylink_printk(KERN_DEBUG, pl, fmt, ##__VA_ARGS__); \
510 static int phylink_validate_mac_and_pcs(struct phylink *pl, in phylink_validate_mac_and_pcs() argument
519 if (pl->mac_ops->mac_select_pcs) { in phylink_validate_mac_and_pcs()
520 pcs = pl->mac_ops->mac_select_pcs(pl->config, state->interface); in phylink_validate_mac_and_pcs()
531 phylink_err(pl, "interface %s: uninitialised PCS\n", in phylink_validate_mac_and_pcs()
543 phylink_err(pl, "MAC returned PCS which does not support %s\n", in phylink_validate_mac_and_pcs()
563 if (pl->mac_ops->mac_get_caps) in phylink_validate_mac_and_pcs()
564 capabilities = pl->mac_ops->mac_get_caps(pl->config, in phylink_validate_mac_and_pcs()
567 capabilities = pl->config->mac_capabilities; in phylink_validate_mac_and_pcs()
574 static void phylink_validate_one(struct phylink *pl, struct phy_device *phy, in phylink_validate_one() argument
592 if (!phylink_validate_mac_and_pcs(pl, tmp_supported, &tmp_state)) { in phylink_validate_one()
593 phylink_dbg(pl, " interface %u (%s) rate match %s supports %*pbl\n", in phylink_validate_one()
604 static int phylink_validate_mask(struct phylink *pl, struct phy_device *phy, in phylink_validate_mask() argument
614 phylink_validate_one(pl, phy, supported, state, interface, in phylink_validate_mask()
623 static int phylink_validate(struct phylink *pl, unsigned long *supported, in phylink_validate() argument
626 const unsigned long *interfaces = pl->config->supported_interfaces; in phylink_validate()
629 return phylink_validate_mask(pl, NULL, supported, state, in phylink_validate()
635 return phylink_validate_mac_and_pcs(pl, supported, state); in phylink_validate()
651 static int phylink_parse_fixedlink(struct phylink *pl, in phylink_parse_fixedlink() argument
666 pl->link_config.speed = speed; in phylink_parse_fixedlink()
667 pl->link_config.duplex = DUPLEX_HALF; in phylink_parse_fixedlink()
670 pl->link_config.duplex = DUPLEX_FULL; in phylink_parse_fixedlink()
677 pl->link_config.lp_advertising); in phylink_parse_fixedlink()
680 pl->link_config.lp_advertising); in phylink_parse_fixedlink()
687 pl->link_gpio = desc; in phylink_parse_fixedlink()
701 phylink_err(pl, "broken fixed-link?\n"); in phylink_parse_fixedlink()
705 phylink_warn(pl, "%pfw uses deprecated array-style fixed-link binding!\n", in phylink_parse_fixedlink()
711 pl->link_config.duplex = prop[1] ? in phylink_parse_fixedlink()
713 pl->link_config.speed = prop[2]; in phylink_parse_fixedlink()
716 pl->link_config.lp_advertising); in phylink_parse_fixedlink()
719 pl->link_config.lp_advertising); in phylink_parse_fixedlink()
723 if (pl->link_config.speed > SPEED_1000 && in phylink_parse_fixedlink()
724 pl->link_config.duplex != DUPLEX_FULL) in phylink_parse_fixedlink()
725 phylink_warn(pl, "fixed link specifies half duplex for %dMbps link?\n", in phylink_parse_fixedlink()
726 pl->link_config.speed); in phylink_parse_fixedlink()
728 linkmode_zero(pl->supported); in phylink_parse_fixedlink()
729 phylink_fill_fixedlink_supported(pl->supported); in phylink_parse_fixedlink()
731 linkmode_copy(pl->link_config.advertising, pl->supported); in phylink_parse_fixedlink()
732 phylink_validate(pl, pl->supported, &pl->link_config); in phylink_parse_fixedlink()
734 c = phy_caps_lookup(pl->link_config.speed, pl->link_config.duplex, in phylink_parse_fixedlink()
735 pl->supported, true); in phylink_parse_fixedlink()
737 linkmode_and(match, pl->supported, c->linkmodes); in phylink_parse_fixedlink()
742 linkmode_and(pl->supported, pl->supported, mask); in phylink_parse_fixedlink()
744 phylink_set(pl->supported, MII); in phylink_parse_fixedlink()
747 linkmode_or(pl->supported, pl->supported, match); in phylink_parse_fixedlink()
748 linkmode_or(pl->link_config.lp_advertising, in phylink_parse_fixedlink()
749 pl->link_config.lp_advertising, match); in phylink_parse_fixedlink()
751 phylink_warn(pl, "fixed link %s duplex %dMbps not recognised\n", in phylink_parse_fixedlink()
752 pl->link_config.duplex == DUPLEX_FULL ? "full" : "half", in phylink_parse_fixedlink()
753 pl->link_config.speed); in phylink_parse_fixedlink()
756 linkmode_and(pl->link_config.advertising, pl->link_config.advertising, in phylink_parse_fixedlink()
757 pl->supported); in phylink_parse_fixedlink()
759 pl->link_config.link = 1; in phylink_parse_fixedlink()
760 pl->link_config.an_complete = 1; in phylink_parse_fixedlink()
765 static int phylink_parse_mode(struct phylink *pl, in phylink_parse_mode() argument
772 if (pl->config->default_an_inband) in phylink_parse_mode()
773 pl->cfg_link_an_mode = MLO_AN_INBAND; in phylink_parse_mode()
777 pl->cfg_link_an_mode = MLO_AN_FIXED; in phylink_parse_mode()
782 if (pl->cfg_link_an_mode == MLO_AN_FIXED) { in phylink_parse_mode()
783 phylink_err(pl, in phylink_parse_mode()
788 pl->cfg_link_an_mode = MLO_AN_INBAND; in phylink_parse_mode()
791 if (pl->cfg_link_an_mode == MLO_AN_INBAND) { in phylink_parse_mode()
792 linkmode_zero(pl->supported); in phylink_parse_mode()
793 phylink_set(pl->supported, MII); in phylink_parse_mode()
794 phylink_set(pl->supported, Autoneg); in phylink_parse_mode()
795 phylink_set(pl->supported, Asym_Pause); in phylink_parse_mode()
796 phylink_set(pl->supported, Pause); in phylink_parse_mode()
798 switch (pl->link_config.interface) { in phylink_parse_mode()
821 caps = phylink_get_capabilities(pl->link_config.interface, caps, in phylink_parse_mode()
823 phylink_caps_to_linkmodes(pl->supported, caps); in phylink_parse_mode()
827 phylink_err(pl, in phylink_parse_mode()
829 phy_modes(pl->link_config.interface)); in phylink_parse_mode()
833 linkmode_copy(pl->link_config.advertising, pl->supported); in phylink_parse_mode()
835 if (phylink_validate(pl, pl->supported, &pl->link_config)) { in phylink_parse_mode()
836 phylink_err(pl, in phylink_parse_mode()
845 static void phylink_apply_manual_flow(struct phylink *pl, in phylink_apply_manual_flow() argument
854 if (!(pl->link_config.pause & MLO_PAUSE_AN)) in phylink_apply_manual_flow()
855 state->pause = pl->link_config.pause; in phylink_apply_manual_flow()
950 static unsigned int phylink_inband_caps(struct phylink *pl, in phylink_inband_caps() argument
955 if (!pl->mac_ops->mac_select_pcs) in phylink_inband_caps()
958 pcs = pl->mac_ops->mac_select_pcs(pl->config, interface); in phylink_inband_caps()
965 static void phylink_pcs_poll_stop(struct phylink *pl) in phylink_pcs_poll_stop() argument
967 if (pl->cfg_link_an_mode == MLO_AN_INBAND) in phylink_pcs_poll_stop()
968 timer_delete(&pl->link_poll); in phylink_pcs_poll_stop()
971 static void phylink_pcs_poll_start(struct phylink *pl) in phylink_pcs_poll_start() argument
973 if (pl->pcs && pl->pcs->poll && pl->cfg_link_an_mode == MLO_AN_INBAND) in phylink_pcs_poll_start()
974 mod_timer(&pl->link_poll, jiffies + HZ); in phylink_pcs_poll_start()
977 int phylink_pcs_pre_init(struct phylink *pl, struct phylink_pcs *pcs) in phylink_pcs_pre_init() argument
982 if (pl->config->mac_requires_rxc) in phylink_pcs_pre_init()
992 static void phylink_mac_config(struct phylink *pl, in phylink_mac_config() argument
1004 phylink_dbg(pl, in phylink_mac_config()
1006 __func__, phylink_an_mode_str(pl->act_link_an_mode), in phylink_mac_config()
1012 pl->mac_ops->mac_config(pl->config, pl->act_link_an_mode, &st); in phylink_mac_config()
1015 static void phylink_pcs_an_restart(struct phylink *pl) in phylink_pcs_an_restart() argument
1017 if (pl->pcs && linkmode_test_bit(ETHTOOL_LINK_MODE_Autoneg_BIT, in phylink_pcs_an_restart()
1018 pl->link_config.advertising) && in phylink_pcs_an_restart()
1019 phy_interface_mode_is_8023z(pl->link_config.interface) && in phylink_pcs_an_restart()
1020 phylink_autoneg_inband(pl->act_link_an_mode)) in phylink_pcs_an_restart()
1021 pl->pcs->ops->pcs_an_restart(pl->pcs); in phylink_pcs_an_restart()
1062 * @pl: a pointer to a &struct phylink returned from phylink_create()
1080 static void phylink_pcs_neg_mode(struct phylink *pl, struct phylink_pcs *pcs, in phylink_pcs_neg_mode() argument
1091 pl->pcs_neg_mode = PHYLINK_PCS_NEG_NONE; in phylink_pcs_neg_mode()
1092 pl->act_link_an_mode = pl->req_link_an_mode; in phylink_pcs_neg_mode()
1096 mode = pl->req_link_an_mode; in phylink_pcs_neg_mode()
1098 pl->phy_ib_mode = 0; in phylink_pcs_neg_mode()
1103 if (pl->phydev) in phylink_pcs_neg_mode()
1104 phy_ib_caps = phy_inband_caps(pl->phydev, interface); in phylink_pcs_neg_mode()
1106 phylink_dbg(pl, "interface %s inband modes: pcs=%02x phy=%02x\n", in phylink_pcs_neg_mode()
1128 pl->phy_ib_mode = LINK_INBAND_DISABLE; in phylink_pcs_neg_mode()
1130 pl->phy_ib_mode = LINK_INBAND_BYPASS; in phylink_pcs_neg_mode()
1140 phylink_warn(pl, in phylink_pcs_neg_mode()
1148 } else if (type == INBAND_CISCO_SGMII || pl->phydev) { in phylink_pcs_neg_mode()
1183 pl->phy_ib_mode = LINK_INBAND_ENABLE; in phylink_pcs_neg_mode()
1185 pl->phy_ib_mode = LINK_INBAND_BYPASS; in phylink_pcs_neg_mode()
1194 pl->phy_ib_mode = LINK_INBAND_DISABLE; in phylink_pcs_neg_mode()
1196 pl->phy_ib_mode = LINK_INBAND_BYPASS; in phylink_pcs_neg_mode()
1199 if (pl->phydev) in phylink_pcs_neg_mode()
1203 phylink_warn(pl, "%s: incompatible in-band capabilities, trying in-band", in phylink_pcs_neg_mode()
1226 pl->pcs_neg_mode = neg_mode; in phylink_pcs_neg_mode()
1227 pl->act_link_an_mode = mode; in phylink_pcs_neg_mode()
1230 static void phylink_major_config(struct phylink *pl, bool restart, in phylink_major_config() argument
1238 phylink_dbg(pl, "major config, requested %s/%s\n", in phylink_major_config()
1239 phylink_an_mode_str(pl->req_link_an_mode), in phylink_major_config()
1242 pl->major_config_failed = false; in phylink_major_config()
1244 if (pl->mac_ops->mac_select_pcs) { in phylink_major_config()
1245 pcs = pl->mac_ops->mac_select_pcs(pl->config, state->interface); in phylink_major_config()
1247 phylink_err(pl, in phylink_major_config()
1251 pl->major_config_failed = true; in phylink_major_config()
1255 pcs_changed = pl->pcs != pcs; in phylink_major_config()
1258 phylink_pcs_neg_mode(pl, pcs, state->interface, state->advertising); in phylink_major_config()
1260 phylink_dbg(pl, "major config, active %s/%s/%s\n", in phylink_major_config()
1261 phylink_an_mode_str(pl->act_link_an_mode), in phylink_major_config()
1262 phylink_pcs_mode_str(pl->pcs_neg_mode), in phylink_major_config()
1265 phylink_pcs_poll_stop(pl); in phylink_major_config()
1267 if (pl->mac_ops->mac_prepare) { in phylink_major_config()
1268 err = pl->mac_ops->mac_prepare(pl->config, pl->act_link_an_mode, in phylink_major_config()
1271 phylink_err(pl, "mac_prepare failed: %pe\n", in phylink_major_config()
1273 pl->major_config_failed = true; in phylink_major_config()
1282 phylink_pcs_disable(pl->pcs); in phylink_major_config()
1284 if (pl->pcs) in phylink_major_config()
1285 pl->pcs->phylink = NULL; in phylink_major_config()
1287 pcs->phylink = pl; in phylink_major_config()
1289 pl->pcs = pcs; in phylink_major_config()
1292 if (pl->pcs) in phylink_major_config()
1293 phylink_pcs_pre_config(pl->pcs, state->interface); in phylink_major_config()
1295 phylink_mac_config(pl, state); in phylink_major_config()
1297 if (pl->pcs) { in phylink_major_config()
1298 err = phylink_pcs_post_config(pl->pcs, state->interface); in phylink_major_config()
1300 phylink_err(pl, "pcs_post_config failed: %pe\n", in phylink_major_config()
1303 pl->major_config_failed = true; in phylink_major_config()
1307 if (pl->pcs_state == PCS_STATE_STARTING || pcs_changed) in phylink_major_config()
1308 phylink_pcs_enable(pl->pcs); in phylink_major_config()
1310 err = phylink_pcs_config(pl->pcs, pl->pcs_neg_mode, state, in phylink_major_config()
1311 !!(pl->link_config.pause & MLO_PAUSE_AN)); in phylink_major_config()
1313 phylink_err(pl, "pcs_config failed: %pe\n", ERR_PTR(err)); in phylink_major_config()
1314 pl->major_config_failed = true; in phylink_major_config()
1320 phylink_pcs_an_restart(pl); in phylink_major_config()
1322 if (pl->mac_ops->mac_finish) { in phylink_major_config()
1323 err = pl->mac_ops->mac_finish(pl->config, pl->act_link_an_mode, in phylink_major_config()
1326 phylink_err(pl, "mac_finish failed: %pe\n", in phylink_major_config()
1329 pl->major_config_failed = true; in phylink_major_config()
1333 if (pl->phydev && pl->phy_ib_mode) { in phylink_major_config()
1334 err = phy_config_inband(pl->phydev, pl->phy_ib_mode); in phylink_major_config()
1336 phylink_err(pl, "phy_config_inband: %pe\n", in phylink_major_config()
1339 pl->major_config_failed = true; in phylink_major_config()
1343 if (pl->sfp_bus) { in phylink_major_config()
1346 sfp_upstream_set_signal_rate(pl->sfp_bus, rate_kbd); in phylink_major_config()
1349 phylink_pcs_poll_start(pl); in phylink_major_config()
1358 static int phylink_change_inband_advert(struct phylink *pl) in phylink_change_inband_advert() argument
1362 if (test_bit(PHYLINK_DISABLE_STOPPED, &pl->phylink_disable_state)) in phylink_change_inband_advert()
1365 phylink_dbg(pl, "%s: mode=%s/%s adv=%*pb pause=%02x\n", __func__, in phylink_change_inband_advert()
1366 phylink_an_mode_str(pl->req_link_an_mode), in phylink_change_inband_advert()
1367 phy_modes(pl->link_config.interface), in phylink_change_inband_advert()
1368 __ETHTOOL_LINK_MODE_MASK_NBITS, pl->link_config.advertising, in phylink_change_inband_advert()
1369 pl->link_config.pause); in phylink_change_inband_advert()
1372 phylink_pcs_neg_mode(pl, pl->pcs, pl->link_config.interface, in phylink_change_inband_advert()
1373 pl->link_config.advertising); in phylink_change_inband_advert()
1379 ret = phylink_pcs_config(pl->pcs, pl->pcs_neg_mode, &pl->link_config, in phylink_change_inband_advert()
1380 !!(pl->link_config.pause & MLO_PAUSE_AN)); in phylink_change_inband_advert()
1385 phylink_pcs_an_restart(pl); in phylink_change_inband_advert()
1390 static void phylink_mac_pcs_get_state(struct phylink *pl, in phylink_mac_pcs_get_state() argument
1396 linkmode_copy(state->advertising, pl->link_config.advertising); in phylink_mac_pcs_get_state()
1398 state->interface = pl->link_config.interface; in phylink_mac_pcs_get_state()
1399 state->rate_matching = pl->link_config.rate_matching; in phylink_mac_pcs_get_state()
1403 autoneg = pl->pcs_neg_mode == PHYLINK_PCS_NEG_INBAND_ENABLED; in phylink_mac_pcs_get_state()
1409 state->speed = pl->link_config.speed; in phylink_mac_pcs_get_state()
1410 state->duplex = pl->link_config.duplex; in phylink_mac_pcs_get_state()
1411 state->pause = pl->link_config.pause; in phylink_mac_pcs_get_state()
1414 pcs = pl->pcs; in phylink_mac_pcs_get_state()
1416 pcs->ops->pcs_get_state(pcs, pl->pcs_neg_mode, state); in phylink_mac_pcs_get_state()
1424 static void phylink_get_fixed_state(struct phylink *pl, in phylink_get_fixed_state() argument
1427 *state = pl->link_config; in phylink_get_fixed_state()
1428 if (pl->config->get_fixed_state) in phylink_get_fixed_state()
1429 pl->config->get_fixed_state(pl->config, state); in phylink_get_fixed_state()
1430 else if (pl->link_gpio) in phylink_get_fixed_state()
1431 state->link = !!gpiod_get_value_cansleep(pl->link_gpio); in phylink_get_fixed_state()
1437 static void phylink_mac_initial_config(struct phylink *pl, bool force_restart) in phylink_mac_initial_config() argument
1440 struct phy_device *phy = pl->phydev; in phylink_mac_initial_config()
1442 switch (pl->req_link_an_mode) { in phylink_mac_initial_config()
1444 link_state = pl->phy_state; in phylink_mac_initial_config()
1448 phylink_get_fixed_state(pl, &link_state); in phylink_mac_initial_config()
1452 link_state = pl->link_config; in phylink_mac_initial_config()
1463 phylink_apply_manual_flow(pl, &link_state); in phylink_mac_initial_config()
1466 phylink_major_config(pl, force_restart, &link_state); in phylink_mac_initial_config()
1485 static void phylink_deactivate_lpi(struct phylink *pl) in phylink_deactivate_lpi() argument
1487 if (pl->mac_enable_tx_lpi) { in phylink_deactivate_lpi()
1488 pl->mac_enable_tx_lpi = false; in phylink_deactivate_lpi()
1490 phylink_dbg(pl, "disabling LPI\n"); in phylink_deactivate_lpi()
1492 pl->mac_ops->mac_disable_tx_lpi(pl->config); in phylink_deactivate_lpi()
1494 phylink_pcs_disable_eee(pl->pcs); in phylink_deactivate_lpi()
1498 static void phylink_activate_lpi(struct phylink *pl) in phylink_activate_lpi() argument
1502 if (!test_bit(pl->cur_interface, pl->config->lpi_interfaces)) { in phylink_activate_lpi()
1503 phylink_dbg(pl, "MAC does not support LPI with %s\n", in phylink_activate_lpi()
1504 phy_modes(pl->cur_interface)); in phylink_activate_lpi()
1508 phylink_dbg(pl, "LPI timer %uus, tx clock stop %u\n", in phylink_activate_lpi()
1509 pl->mac_tx_lpi_timer, pl->mac_tx_clk_stop); in phylink_activate_lpi()
1511 phylink_pcs_enable_eee(pl->pcs); in phylink_activate_lpi()
1513 err = pl->mac_ops->mac_enable_tx_lpi(pl->config, pl->mac_tx_lpi_timer, in phylink_activate_lpi()
1514 pl->mac_tx_clk_stop); in phylink_activate_lpi()
1516 phylink_pcs_disable_eee(pl->pcs); in phylink_activate_lpi()
1517 phylink_err(pl, "%ps() failed: %pe\n", in phylink_activate_lpi()
1518 pl->mac_ops->mac_enable_tx_lpi, ERR_PTR(err)); in phylink_activate_lpi()
1522 pl->mac_enable_tx_lpi = true; in phylink_activate_lpi()
1525 static void phylink_link_up(struct phylink *pl, in phylink_link_up() argument
1528 struct net_device *ndev = pl->netdev; in phylink_link_up()
1557 pl->cur_interface = link_state.interface; in phylink_link_up()
1559 phylink_pcs_link_up(pl->pcs, pl->pcs_neg_mode, pl->cur_interface, speed, in phylink_link_up()
1562 pl->mac_ops->mac_link_up(pl->config, pl->phydev, pl->act_link_an_mode, in phylink_link_up()
1563 pl->cur_interface, speed, duplex, in phylink_link_up()
1566 if (pl->mac_supports_eee && pl->phy_enable_tx_lpi) in phylink_link_up()
1567 phylink_activate_lpi(pl); in phylink_link_up()
1572 phylink_info(pl, in phylink_link_up()
1579 static void phylink_link_down(struct phylink *pl) in phylink_link_down() argument
1581 struct net_device *ndev = pl->netdev; in phylink_link_down()
1586 phylink_deactivate_lpi(pl); in phylink_link_down()
1588 pl->mac_ops->mac_link_down(pl->config, pl->act_link_an_mode, in phylink_link_down()
1589 pl->cur_interface); in phylink_link_down()
1590 phylink_info(pl, "Link is Down\n"); in phylink_link_down()
1593 static bool phylink_link_is_up(struct phylink *pl) in phylink_link_is_up() argument
1595 return pl->netdev ? netif_carrier_ok(pl->netdev) : pl->old_link_state; in phylink_link_is_up()
1600 struct phylink *pl = container_of(w, struct phylink, resolve); in phylink_resolve() local
1607 mutex_lock(&pl->phydev_mutex); in phylink_resolve()
1608 phy = pl->phydev; in phylink_resolve()
1611 mutex_lock(&pl->state_mutex); in phylink_resolve()
1612 cur_link_state = phylink_link_is_up(pl); in phylink_resolve()
1614 if (pl->phylink_disable_state) { in phylink_resolve()
1615 pl->link_failed = false; in phylink_resolve()
1617 } else if (pl->link_failed) { in phylink_resolve()
1620 } else if (pl->act_link_an_mode == MLO_AN_FIXED) { in phylink_resolve()
1621 phylink_get_fixed_state(pl, &link_state); in phylink_resolve()
1623 } else if (pl->act_link_an_mode == MLO_AN_PHY) { in phylink_resolve()
1624 link_state = pl->phy_state; in phylink_resolve()
1627 phylink_mac_pcs_get_state(pl, &link_state); in phylink_resolve()
1638 phylink_mac_pcs_get_state(pl, &link_state); in phylink_resolve()
1645 link_state.link &= pl->phy_state.link; in phylink_resolve()
1648 if (phy && pl->phy_state.link) { in phylink_resolve()
1652 if (link_state.interface != pl->phy_state.interface) { in phylink_resolve()
1657 link_state.interface = pl->phy_state.interface; in phylink_resolve()
1662 if (pl->phy_state.rate_matching) { in phylink_resolve()
1664 pl->phy_state.rate_matching; in phylink_resolve()
1665 link_state.speed = pl->phy_state.speed; in phylink_resolve()
1666 link_state.duplex = pl->phy_state.duplex; in phylink_resolve()
1672 link_state.pause = pl->phy_state.pause; in phylink_resolve()
1677 if (pl->act_link_an_mode != MLO_AN_FIXED) in phylink_resolve()
1678 phylink_apply_manual_flow(pl, &link_state); in phylink_resolve()
1681 if (link_state.interface != pl->link_config.interface) { in phylink_resolve()
1686 phylink_link_down(pl); in phylink_resolve()
1689 phylink_major_config(pl, false, &link_state); in phylink_resolve()
1690 pl->link_config.interface = link_state.interface; in phylink_resolve()
1697 if (pl->major_config_failed) in phylink_resolve()
1701 pl->old_link_state = link_state.link; in phylink_resolve()
1703 phylink_link_down(pl); in phylink_resolve()
1705 phylink_link_up(pl, link_state); in phylink_resolve()
1708 pl->link_failed = false; in phylink_resolve()
1709 queue_work(system_power_efficient_wq, &pl->resolve); in phylink_resolve()
1711 mutex_unlock(&pl->state_mutex); in phylink_resolve()
1714 mutex_unlock(&pl->phydev_mutex); in phylink_resolve()
1717 static void phylink_run_resolve(struct phylink *pl) in phylink_run_resolve() argument
1719 if (!pl->phylink_disable_state) in phylink_run_resolve()
1720 queue_work(system_power_efficient_wq, &pl->resolve); in phylink_run_resolve()
1723 static void phylink_run_resolve_and_disable(struct phylink *pl, int bit) in phylink_run_resolve_and_disable() argument
1725 unsigned long state = pl->phylink_disable_state; in phylink_run_resolve_and_disable()
1727 set_bit(bit, &pl->phylink_disable_state); in phylink_run_resolve_and_disable()
1729 queue_work(system_power_efficient_wq, &pl->resolve); in phylink_run_resolve_and_disable()
1730 flush_work(&pl->resolve); in phylink_run_resolve_and_disable()
1734 static void phylink_enable_and_run_resolve(struct phylink *pl, int bit) in phylink_enable_and_run_resolve() argument
1736 clear_bit(bit, &pl->phylink_disable_state); in phylink_enable_and_run_resolve()
1737 phylink_run_resolve(pl); in phylink_enable_and_run_resolve()
1742 struct phylink *pl = container_of(t, struct phylink, link_poll); in phylink_fixed_poll() local
1746 phylink_run_resolve(pl); in phylink_fixed_poll()
1751 static int phylink_register_sfp(struct phylink *pl, in phylink_register_sfp() argument
1762 phylink_err(pl, "unable to attach SFP bus: %pe\n", bus); in phylink_register_sfp()
1766 pl->sfp_bus = bus; in phylink_register_sfp()
1768 ret = sfp_bus_add_upstream(bus, pl, &sfp_phylink_ops); in phylink_register_sfp()
1776 * @pl: a pointer to a &struct phylink returned from phylink_create()
1784 int phylink_set_fixed_link(struct phylink *pl, in phylink_set_fixed_link() argument
1790 if (pl->cfg_link_an_mode != MLO_AN_PHY || !state || in phylink_set_fixed_link()
1791 !test_bit(PHYLINK_DISABLE_STOPPED, &pl->phylink_disable_state)) in phylink_set_fixed_link()
1795 pl->supported, true); in phylink_set_fixed_link()
1799 adv = pl->link_config.advertising; in phylink_set_fixed_link()
1800 linkmode_and(adv, pl->supported, c->linkmodes); in phylink_set_fixed_link()
1803 pl->link_config.speed = state->speed; in phylink_set_fixed_link()
1804 pl->link_config.duplex = state->duplex; in phylink_set_fixed_link()
1805 pl->link_config.link = 1; in phylink_set_fixed_link()
1806 pl->link_config.an_complete = 1; in phylink_set_fixed_link()
1808 pl->cfg_link_an_mode = MLO_AN_FIXED; in phylink_set_fixed_link()
1809 pl->req_link_an_mode = pl->cfg_link_an_mode; in phylink_set_fixed_link()
1836 struct phylink *pl; in phylink_create() local
1846 pl = kzalloc(sizeof(*pl), GFP_KERNEL); in phylink_create()
1847 if (!pl) in phylink_create()
1850 mutex_init(&pl->phydev_mutex); in phylink_create()
1851 mutex_init(&pl->state_mutex); in phylink_create()
1852 INIT_WORK(&pl->resolve, phylink_resolve); in phylink_create()
1854 pl->config = config; in phylink_create()
1856 pl->netdev = to_net_dev(config->dev); in phylink_create()
1857 netif_carrier_off(pl->netdev); in phylink_create()
1859 pl->dev = config->dev; in phylink_create()
1861 kfree(pl); in phylink_create()
1865 pl->mac_supports_eee_ops = phylink_mac_implements_lpi(mac_ops); in phylink_create()
1866 pl->mac_supports_eee = pl->mac_supports_eee_ops && in phylink_create()
1867 pl->config->lpi_capabilities && in phylink_create()
1868 !phy_interface_empty(pl->config->lpi_interfaces); in phylink_create()
1871 pl->eee_cfg.eee_enabled = pl->config->eee_enabled_default; in phylink_create()
1872 pl->eee_cfg.tx_lpi_enabled = pl->eee_cfg.eee_enabled; in phylink_create()
1873 pl->eee_cfg.tx_lpi_timer = pl->config->lpi_timer_default; in phylink_create()
1875 pl->phy_state.interface = iface; in phylink_create()
1876 pl->link_interface = iface; in phylink_create()
1878 pl->link_port = PORT_BNC; in phylink_create()
1880 pl->link_port = PORT_MII; in phylink_create()
1881 pl->link_config.interface = iface; in phylink_create()
1882 pl->link_config.pause = MLO_PAUSE_AN; in phylink_create()
1883 pl->link_config.speed = SPEED_UNKNOWN; in phylink_create()
1884 pl->link_config.duplex = DUPLEX_UNKNOWN; in phylink_create()
1885 pl->pcs_state = PCS_STATE_DOWN; in phylink_create()
1886 pl->mac_ops = mac_ops; in phylink_create()
1887 __set_bit(PHYLINK_DISABLE_STOPPED, &pl->phylink_disable_state); in phylink_create()
1888 timer_setup(&pl->link_poll, phylink_fixed_poll, 0); in phylink_create()
1890 linkmode_fill(pl->supported); in phylink_create()
1891 linkmode_copy(pl->link_config.advertising, pl->supported); in phylink_create()
1892 phylink_validate(pl, pl->supported, &pl->link_config); in phylink_create()
1894 ret = phylink_parse_mode(pl, fwnode); in phylink_create()
1896 kfree(pl); in phylink_create()
1900 if (pl->cfg_link_an_mode == MLO_AN_FIXED) { in phylink_create()
1901 ret = phylink_parse_fixedlink(pl, fwnode); in phylink_create()
1903 kfree(pl); in phylink_create()
1908 pl->req_link_an_mode = pl->cfg_link_an_mode; in phylink_create()
1910 ret = phylink_register_sfp(pl, fwnode); in phylink_create()
1912 kfree(pl); in phylink_create()
1916 return pl; in phylink_create()
1922 * @pl: a pointer to a &struct phylink returned from phylink_create()
1929 void phylink_destroy(struct phylink *pl) in phylink_destroy() argument
1931 sfp_bus_del_upstream(pl->sfp_bus); in phylink_destroy()
1932 if (pl->link_gpio) in phylink_destroy()
1933 gpiod_put(pl->link_gpio); in phylink_destroy()
1935 cancel_work_sync(&pl->resolve); in phylink_destroy()
1936 kfree(pl); in phylink_destroy()
1942 * @pl: a pointer to a &struct phylink returned from phylink_create()
1949 bool phylink_expects_phy(struct phylink *pl) in phylink_expects_phy() argument
1951 if (pl->cfg_link_an_mode == MLO_AN_FIXED || in phylink_expects_phy()
1952 (pl->cfg_link_an_mode == MLO_AN_INBAND && in phylink_expects_phy()
1953 phy_interface_mode_is_8023z(pl->link_interface))) in phylink_expects_phy()
1961 struct phylink *pl = phydev->phylink; in phylink_phy_change() local
1966 mutex_lock(&pl->state_mutex); in phylink_phy_change()
1967 pl->phy_state.speed = phydev->speed; in phylink_phy_change()
1968 pl->phy_state.duplex = phydev->duplex; in phylink_phy_change()
1969 pl->phy_state.rate_matching = phydev->rate_matching; in phylink_phy_change()
1970 pl->phy_state.pause = MLO_PAUSE_NONE; in phylink_phy_change()
1972 pl->phy_state.pause |= MLO_PAUSE_TX; in phylink_phy_change()
1974 pl->phy_state.pause |= MLO_PAUSE_RX; in phylink_phy_change()
1975 pl->phy_state.interface = phydev->interface; in phylink_phy_change()
1976 pl->phy_state.link = up; in phylink_phy_change()
1978 pl->link_failed = true; in phylink_phy_change()
1981 pl->phy_enable_tx_lpi = phydev->enable_tx_lpi; in phylink_phy_change()
1982 pl->mac_tx_lpi_timer = phydev->eee_cfg.tx_lpi_timer; in phylink_phy_change()
1983 mutex_unlock(&pl->state_mutex); in phylink_phy_change()
1985 phylink_run_resolve(pl); in phylink_phy_change()
1987 phylink_dbg(pl, "phy link %s %s/%s/%s/%s/%s/%slpi\n", in phylink_phy_change()
1993 phylink_pause_to_str(pl->phy_state.pause), in phylink_phy_change()
1997 static int phylink_validate_phy(struct phylink *pl, struct phy_device *phy, in phylink_validate_phy() argument
2012 pl->config->supported_interfaces); in phylink_validate_phy()
2015 phylink_err(pl, "PHY has no common interfaces\n"); in phylink_validate_phy()
2027 phylink_err(pl, "SFP PHY's possible interfaces becomes empty\n"); in phylink_validate_phy()
2032 phylink_dbg(pl, "PHY %s uses interfaces %*pbl, validating %*pbl\n", in phylink_validate_phy()
2038 return phylink_validate_mask(pl, phy, supported, state, in phylink_validate_phy()
2042 phylink_dbg(pl, "PHY %s doesn't supply possible interfaces\n", in phylink_validate_phy()
2067 return phylink_validate(pl, supported, state); in phylink_validate_phy()
2070 static int phylink_bringup_phy(struct phylink *pl, struct phy_device *phy, in phylink_bringup_phy() argument
2092 ret = phylink_validate_phy(pl, phy, supported, &config); in phylink_bringup_phy()
2094 phylink_warn(pl, "validation of %s with support %*pb and advertisement %*pb failed: %pe\n", in phylink_bringup_phy()
2102 phy->phylink = pl; in phylink_bringup_phy()
2106 phylink_info(pl, in phylink_bringup_phy()
2111 mutex_lock(&pl->phydev_mutex); in phylink_bringup_phy()
2113 mutex_lock(&pl->state_mutex); in phylink_bringup_phy()
2114 pl->phydev = phy; in phylink_bringup_phy()
2115 pl->phy_state.interface = interface; in phylink_bringup_phy()
2116 pl->phy_state.pause = MLO_PAUSE_NONE; in phylink_bringup_phy()
2117 pl->phy_state.speed = SPEED_UNKNOWN; in phylink_bringup_phy()
2118 pl->phy_state.duplex = DUPLEX_UNKNOWN; in phylink_bringup_phy()
2119 pl->phy_state.rate_matching = RATE_MATCH_NONE; in phylink_bringup_phy()
2120 linkmode_copy(pl->supported, supported); in phylink_bringup_phy()
2121 linkmode_copy(pl->link_config.advertising, config.advertising); in phylink_bringup_phy()
2129 if (pl->mac_supports_eee) { in phylink_bringup_phy()
2134 if (pl->eee_cfg.eee_enabled) in phylink_bringup_phy()
2137 phy->eee_cfg.tx_lpi_enabled = pl->eee_cfg.tx_lpi_enabled; in phylink_bringup_phy()
2138 phy->eee_cfg.tx_lpi_timer = pl->eee_cfg.tx_lpi_timer; in phylink_bringup_phy()
2141 linkmode_zero(pl->supported_lpi); in phylink_bringup_phy()
2142 phylink_caps_to_linkmodes(pl->supported_lpi, in phylink_bringup_phy()
2143 pl->config->lpi_capabilities); in phylink_bringup_phy()
2149 pl->supported_lpi); in phylink_bringup_phy()
2150 } else if (pl->mac_supports_eee_ops) { in phylink_bringup_phy()
2155 mutex_unlock(&pl->state_mutex); in phylink_bringup_phy()
2157 mutex_unlock(&pl->phydev_mutex); in phylink_bringup_phy()
2159 phylink_dbg(pl, in phylink_bringup_phy()
2162 __ETHTOOL_LINK_MODE_MASK_NBITS, pl->supported, in phylink_bringup_phy()
2165 if (pl->config->mac_managed_pm) in phylink_bringup_phy()
2169 pl->mac_tx_clk_stop = phy_eee_tx_clock_stop_capable(phy) > 0; in phylink_bringup_phy()
2171 if (pl->mac_supports_eee_ops) { in phylink_bringup_phy()
2176 pl->config->eee_rx_clk_stop_enable); in phylink_bringup_phy()
2187 static int phylink_attach_phy(struct phylink *pl, struct phy_device *phy, in phylink_attach_phy() argument
2192 if (WARN_ON(pl->cfg_link_an_mode == MLO_AN_FIXED || in phylink_attach_phy()
2193 (pl->cfg_link_an_mode == MLO_AN_INBAND && in phylink_attach_phy()
2194 phy_interface_mode_is_8023z(interface) && !pl->sfp_bus))) in phylink_attach_phy()
2197 if (pl->phydev) in phylink_attach_phy()
2200 if (pl->config->mac_requires_rxc) in phylink_attach_phy()
2203 return phy_attach_direct(pl->netdev, phy, flags, interface); in phylink_attach_phy()
2208 * @pl: a pointer to a &struct phylink returned from phylink_create()
2211 * Connect @phy to the phylink instance specified by @pl by calling
2221 int phylink_connect_phy(struct phylink *pl, struct phy_device *phy) in phylink_connect_phy() argument
2226 if (pl->link_interface == PHY_INTERFACE_MODE_NA) { in phylink_connect_phy()
2227 pl->link_interface = phy->interface; in phylink_connect_phy()
2228 pl->link_config.interface = pl->link_interface; in phylink_connect_phy()
2231 ret = phylink_attach_phy(pl, phy, pl->link_interface); in phylink_connect_phy()
2235 ret = phylink_bringup_phy(pl, phy, pl->link_config.interface); in phylink_connect_phy()
2245 * @pl: a pointer to a &struct phylink returned from phylink_create()
2250 * specified by @pl. Actions specified in phylink_connect_phy() will be
2255 int phylink_of_phy_connect(struct phylink *pl, struct device_node *dn, in phylink_of_phy_connect() argument
2258 return phylink_fwnode_phy_connect(pl, of_fwnode_handle(dn), flags); in phylink_of_phy_connect()
2264 * @pl: a pointer to a &struct phylink returned from phylink_create()
2269 * by @pl.
2273 int phylink_fwnode_phy_connect(struct phylink *pl, in phylink_fwnode_phy_connect() argument
2282 if (pl->cfg_link_an_mode == MLO_AN_FIXED || in phylink_fwnode_phy_connect()
2283 (pl->cfg_link_an_mode == MLO_AN_INBAND && in phylink_fwnode_phy_connect()
2284 phy_interface_mode_is_8023z(pl->link_interface))) in phylink_fwnode_phy_connect()
2289 if (pl->cfg_link_an_mode == MLO_AN_PHY) in phylink_fwnode_phy_connect()
2301 if (pl->link_interface == PHY_INTERFACE_MODE_NA) { in phylink_fwnode_phy_connect()
2302 pl->link_interface = phy_dev->interface; in phylink_fwnode_phy_connect()
2303 pl->link_config.interface = pl->link_interface; in phylink_fwnode_phy_connect()
2306 if (pl->config->mac_requires_rxc) in phylink_fwnode_phy_connect()
2309 ret = phy_attach_direct(pl->netdev, phy_dev, flags, in phylink_fwnode_phy_connect()
2310 pl->link_interface); in phylink_fwnode_phy_connect()
2315 ret = phylink_bringup_phy(pl, phy_dev, pl->link_config.interface); in phylink_fwnode_phy_connect()
2326 * @pl: a pointer to a &struct phylink returned from phylink_create()
2328 * Disconnect any current PHY from the phylink instance described by @pl.
2330 void phylink_disconnect_phy(struct phylink *pl) in phylink_disconnect_phy() argument
2336 mutex_lock(&pl->phydev_mutex); in phylink_disconnect_phy()
2337 phy = pl->phydev; in phylink_disconnect_phy()
2340 mutex_lock(&pl->state_mutex); in phylink_disconnect_phy()
2341 pl->phydev = NULL; in phylink_disconnect_phy()
2342 pl->phy_enable_tx_lpi = false; in phylink_disconnect_phy()
2343 pl->mac_tx_clk_stop = false; in phylink_disconnect_phy()
2344 mutex_unlock(&pl->state_mutex); in phylink_disconnect_phy()
2347 mutex_unlock(&pl->phydev_mutex); in phylink_disconnect_phy()
2350 flush_work(&pl->resolve); in phylink_disconnect_phy()
2356 static void phylink_link_changed(struct phylink *pl, bool up, const char *what) in phylink_link_changed() argument
2359 pl->link_failed = true; in phylink_link_changed()
2360 phylink_run_resolve(pl); in phylink_link_changed()
2361 phylink_dbg(pl, "%s link %s\n", what, up ? "up" : "down"); in phylink_link_changed()
2366 * @pl: a pointer to a &struct phylink returned from phylink_create()
2372 void phylink_mac_change(struct phylink *pl, bool up) in phylink_mac_change() argument
2374 phylink_link_changed(pl, up, "mac"); in phylink_mac_change()
2391 struct phylink *pl = pcs->phylink; in phylink_pcs_change() local
2393 if (pl) in phylink_pcs_change()
2394 phylink_link_changed(pl, up, "pcs"); in phylink_pcs_change()
2400 struct phylink *pl = data; in phylink_link_handler() local
2402 phylink_run_resolve(pl); in phylink_link_handler()
2409 * @pl: a pointer to a &struct phylink returned from phylink_create()
2411 * Start the phylink instance specified by @pl, configuring the MAC for the
2415 void phylink_start(struct phylink *pl) in phylink_start() argument
2421 phylink_info(pl, "configuring for %s/%s link mode\n", in phylink_start()
2422 phylink_an_mode_str(pl->req_link_an_mode), in phylink_start()
2423 phy_modes(pl->link_config.interface)); in phylink_start()
2426 if (pl->netdev) in phylink_start()
2427 netif_carrier_off(pl->netdev); in phylink_start()
2429 pl->pcs_state = PCS_STATE_STARTING; in phylink_start()
2439 phylink_mac_initial_config(pl, true); in phylink_start()
2441 pl->pcs_state = PCS_STATE_STARTED; in phylink_start()
2443 phylink_enable_and_run_resolve(pl, PHYLINK_DISABLE_STOPPED); in phylink_start()
2445 if (pl->cfg_link_an_mode == MLO_AN_FIXED && pl->link_gpio) { in phylink_start()
2446 int irq = gpiod_to_irq(pl->link_gpio); in phylink_start()
2452 "netdev link", pl)) in phylink_start()
2453 pl->link_irq = irq; in phylink_start()
2461 if (pl->cfg_link_an_mode == MLO_AN_FIXED) in phylink_start()
2462 poll |= pl->config->poll_fixed_state; in phylink_start()
2465 mod_timer(&pl->link_poll, jiffies + HZ); in phylink_start()
2466 if (pl->phydev) in phylink_start()
2467 phy_start(pl->phydev); in phylink_start()
2468 if (pl->sfp_bus) in phylink_start()
2469 sfp_upstream_start(pl->sfp_bus); in phylink_start()
2475 * @pl: a pointer to a &struct phylink returned from phylink_create()
2477 * Stop the phylink instance specified by @pl. This should be called from the
2485 void phylink_stop(struct phylink *pl) in phylink_stop() argument
2489 if (pl->sfp_bus) in phylink_stop()
2490 sfp_upstream_stop(pl->sfp_bus); in phylink_stop()
2491 if (pl->phydev) in phylink_stop()
2492 phy_stop(pl->phydev); in phylink_stop()
2493 timer_delete_sync(&pl->link_poll); in phylink_stop()
2494 if (pl->link_irq) { in phylink_stop()
2495 free_irq(pl->link_irq, pl); in phylink_stop()
2496 pl->link_irq = 0; in phylink_stop()
2499 phylink_run_resolve_and_disable(pl, PHYLINK_DISABLE_STOPPED); in phylink_stop()
2501 pl->pcs_state = PCS_STATE_DOWN; in phylink_stop()
2503 phylink_pcs_disable(pl->pcs); in phylink_stop()
2509 * @pl: a pointer to a &struct phylink returned from phylink_create()
2515 void phylink_rx_clk_stop_block(struct phylink *pl) in phylink_rx_clk_stop_block() argument
2519 if (pl->mac_rx_clk_stop_blocked == U8_MAX) { in phylink_rx_clk_stop_block()
2520 phylink_warn(pl, "%s called too many times - ignoring\n", in phylink_rx_clk_stop_block()
2529 if (pl->mac_rx_clk_stop_blocked++ == 0 && in phylink_rx_clk_stop_block()
2530 pl->mac_supports_eee_ops && pl->phydev && in phylink_rx_clk_stop_block()
2531 pl->config->eee_rx_clk_stop_enable) in phylink_rx_clk_stop_block()
2532 phy_eee_rx_clock_stop(pl->phydev, false); in phylink_rx_clk_stop_block()
2538 * @pl: a pointer to a &struct phylink returned from phylink_create()
2544 void phylink_rx_clk_stop_unblock(struct phylink *pl) in phylink_rx_clk_stop_unblock() argument
2548 if (pl->mac_rx_clk_stop_blocked == 0) { in phylink_rx_clk_stop_unblock()
2549 phylink_warn(pl, "%s called too many times - ignoring\n", in phylink_rx_clk_stop_unblock()
2558 if (--pl->mac_rx_clk_stop_blocked == 0 && in phylink_rx_clk_stop_unblock()
2559 pl->mac_supports_eee_ops && pl->phydev && in phylink_rx_clk_stop_unblock()
2560 pl->config->eee_rx_clk_stop_enable) in phylink_rx_clk_stop_unblock()
2561 phy_eee_rx_clock_stop(pl->phydev, true); in phylink_rx_clk_stop_unblock()
2567 * @pl: a pointer to a &struct phylink returned from phylink_create()
2579 void phylink_suspend(struct phylink *pl, bool mac_wol) in phylink_suspend() argument
2583 if (mac_wol && (!pl->netdev || pl->netdev->ethtool->wol_enabled)) { in phylink_suspend()
2585 mutex_lock(&pl->state_mutex); in phylink_suspend()
2588 __set_bit(PHYLINK_DISABLE_MAC_WOL, &pl->phylink_disable_state); in phylink_suspend()
2590 pl->suspend_link_up = phylink_link_is_up(pl); in phylink_suspend()
2591 if (pl->suspend_link_up) { in phylink_suspend()
2596 if (pl->netdev) in phylink_suspend()
2597 netif_carrier_off(pl->netdev); in phylink_suspend()
2598 pl->old_link_state = false; in phylink_suspend()
2604 mutex_unlock(&pl->state_mutex); in phylink_suspend()
2606 phylink_stop(pl); in phylink_suspend()
2613 * @pl: a pointer to a &struct phylink returned from phylink_create()
2619 void phylink_prepare_resume(struct phylink *pl) in phylink_prepare_resume() argument
2621 struct phy_device *phydev = pl->phydev; in phylink_prepare_resume()
2631 if (pl->config->mac_requires_rxc && phydev && phydev->suspended) in phylink_prepare_resume()
2638 * @pl: a pointer to a &struct phylink returned from phylink_create()
2643 void phylink_resume(struct phylink *pl) in phylink_resume() argument
2647 if (test_bit(PHYLINK_DISABLE_MAC_WOL, &pl->phylink_disable_state)) { in phylink_resume()
2650 if (pl->suspend_link_up) { in phylink_resume()
2658 mutex_lock(&pl->state_mutex); in phylink_resume()
2659 phylink_link_down(pl); in phylink_resume()
2660 mutex_unlock(&pl->state_mutex); in phylink_resume()
2666 phylink_mac_initial_config(pl, true); in phylink_resume()
2669 phylink_enable_and_run_resolve(pl, PHYLINK_DISABLE_MAC_WOL); in phylink_resume()
2671 phylink_start(pl); in phylink_resume()
2678 * @pl: a pointer to a &struct phylink returned from phylink_create()
2682 * instance specified by @pl. If no PHY is currently attached, report no
2685 void phylink_ethtool_get_wol(struct phylink *pl, struct ethtool_wolinfo *wol) in phylink_ethtool_get_wol() argument
2692 if (pl->phydev) in phylink_ethtool_get_wol()
2693 phy_ethtool_get_wol(pl->phydev, wol); in phylink_ethtool_get_wol()
2699 * @pl: a pointer to a &struct phylink returned from phylink_create()
2703 * instance specified by @pl. If no PHY is attached, returns %EOPNOTSUPP
2708 int phylink_ethtool_set_wol(struct phylink *pl, struct ethtool_wolinfo *wol) in phylink_ethtool_set_wol() argument
2714 if (pl->phydev) in phylink_ethtool_set_wol()
2715 ret = phy_ethtool_set_wol(pl->phydev, wol); in phylink_ethtool_set_wol()
2721 static phy_interface_t phylink_sfp_select_interface(struct phylink *pl, in phylink_sfp_select_interface() argument
2726 interface = sfp_select_interface(pl->sfp_bus, link_modes); in phylink_sfp_select_interface()
2728 phylink_err(pl, in phylink_sfp_select_interface()
2735 if (!test_bit(interface, pl->config->supported_interfaces)) { in phylink_sfp_select_interface()
2736 phylink_err(pl, in phylink_sfp_select_interface()
2740 pl->config->supported_interfaces); in phylink_sfp_select_interface()
2747 static phy_interface_t phylink_sfp_select_interface_speed(struct phylink *pl, in phylink_sfp_select_interface_speed() argument
2757 if (!test_bit(interface, pl->sfp_interfaces)) in phylink_sfp_select_interface_speed()
2774 phylink_err(pl, "selection of interface failed, speed %u\n", in phylink_sfp_select_interface_speed()
2807 * @pl: a pointer to a &struct phylink returned from phylink_create()
2810 * Read the current link settings for the phylink instance specified by @pl.
2814 int phylink_ethtool_ksettings_get(struct phylink *pl, in phylink_ethtool_ksettings_get() argument
2821 if (pl->phydev) in phylink_ethtool_ksettings_get()
2822 phy_ethtool_ksettings_get(pl->phydev, kset); in phylink_ethtool_ksettings_get()
2824 kset->base.port = pl->link_port; in phylink_ethtool_ksettings_get()
2826 linkmode_copy(kset->link_modes.supported, pl->supported); in phylink_ethtool_ksettings_get()
2828 switch (pl->act_link_an_mode) { in phylink_ethtool_ksettings_get()
2834 phylink_get_fixed_state(pl, &link_state); in phylink_ethtool_ksettings_get()
2842 if (pl->phydev) in phylink_ethtool_ksettings_get()
2845 phylink_mac_pcs_get_state(pl, &link_state); in phylink_ethtool_ksettings_get()
2859 static bool phylink_validate_pcs_inband_autoneg(struct phylink *pl, in phylink_validate_pcs_inband_autoneg() argument
2863 unsigned int inband = phylink_inband_caps(pl, interface); in phylink_validate_pcs_inband_autoneg()
2881 * @pl: a pointer to a &struct phylink returned from phylink_create()
2884 int phylink_ethtool_ksettings_set(struct phylink *pl, in phylink_ethtool_ksettings_set() argument
2893 if (pl->phydev) { in phylink_ethtool_ksettings_set()
2898 pl->supported); in phylink_ethtool_ksettings_set()
2901 * to update the pl->link_config settings: in phylink_ethtool_ksettings_set()
2918 return phy_ethtool_ksettings_set(pl->phydev, &phy_kset); in phylink_ethtool_ksettings_set()
2921 config = pl->link_config; in phylink_ethtool_ksettings_set()
2924 pl->supported); in phylink_ethtool_ksettings_set()
2933 pl->supported, false); in phylink_ethtool_ksettings_set()
2940 if (pl->req_link_an_mode == MLO_AN_FIXED) { in phylink_ethtool_ksettings_set()
2941 if (c->speed != pl->link_config.speed || in phylink_ethtool_ksettings_set()
2942 c->duplex != pl->link_config.duplex) in phylink_ethtool_ksettings_set()
2956 if (pl->req_link_an_mode == MLO_AN_FIXED) { in phylink_ethtool_ksettings_set()
2958 pl->link_config.advertising)) in phylink_ethtool_ksettings_set()
2981 if (pl->sfp_bus) { in phylink_ethtool_ksettings_set()
2984 phylink_sfp_select_interface(pl, in phylink_ethtool_ksettings_set()
2988 phylink_sfp_select_interface_speed(pl, in phylink_ethtool_ksettings_set()
2994 linkmode_copy(support, pl->supported); in phylink_ethtool_ksettings_set()
2995 if (phylink_validate(pl, support, &config)) { in phylink_ethtool_ksettings_set()
2996 phylink_err(pl, "validation of %s/%s with support %*pb failed\n", in phylink_ethtool_ksettings_set()
2997 phylink_an_mode_str(pl->req_link_an_mode), in phylink_ethtool_ksettings_set()
3004 linkmode_copy(support, pl->supported); in phylink_ethtool_ksettings_set()
3005 if (phylink_validate(pl, support, &config)) in phylink_ethtool_ksettings_set()
3018 if (!phylink_validate_pcs_inband_autoneg(pl, config.interface, in phylink_ethtool_ksettings_set()
3022 mutex_lock(&pl->state_mutex); in phylink_ethtool_ksettings_set()
3023 pl->link_config.speed = config.speed; in phylink_ethtool_ksettings_set()
3024 pl->link_config.duplex = config.duplex; in phylink_ethtool_ksettings_set()
3026 if (pl->link_config.interface != config.interface) { in phylink_ethtool_ksettings_set()
3029 if (pl->old_link_state) { in phylink_ethtool_ksettings_set()
3030 phylink_link_down(pl); in phylink_ethtool_ksettings_set()
3031 pl->old_link_state = false; in phylink_ethtool_ksettings_set()
3034 &pl->phylink_disable_state)) in phylink_ethtool_ksettings_set()
3035 phylink_major_config(pl, false, &config); in phylink_ethtool_ksettings_set()
3036 pl->link_config.interface = config.interface; in phylink_ethtool_ksettings_set()
3037 linkmode_copy(pl->link_config.advertising, config.advertising); in phylink_ethtool_ksettings_set()
3038 } else if (!linkmode_equal(pl->link_config.advertising, in phylink_ethtool_ksettings_set()
3040 linkmode_copy(pl->link_config.advertising, config.advertising); in phylink_ethtool_ksettings_set()
3041 phylink_change_inband_advert(pl); in phylink_ethtool_ksettings_set()
3043 mutex_unlock(&pl->state_mutex); in phylink_ethtool_ksettings_set()
3051 * @pl: a pointer to a &struct phylink returned from phylink_create()
3053 * Restart negotiation for the phylink instance specified by @pl. This will
3060 int phylink_ethtool_nway_reset(struct phylink *pl) in phylink_ethtool_nway_reset() argument
3066 if (pl->phydev) in phylink_ethtool_nway_reset()
3067 ret = phy_restart_aneg(pl->phydev); in phylink_ethtool_nway_reset()
3068 phylink_pcs_an_restart(pl); in phylink_ethtool_nway_reset()
3076 * @pl: a pointer to a &struct phylink returned from phylink_create()
3079 void phylink_ethtool_get_pauseparam(struct phylink *pl, in phylink_ethtool_get_pauseparam() argument
3084 pause->autoneg = !!(pl->link_config.pause & MLO_PAUSE_AN); in phylink_ethtool_get_pauseparam()
3085 pause->rx_pause = !!(pl->link_config.pause & MLO_PAUSE_RX); in phylink_ethtool_get_pauseparam()
3086 pause->tx_pause = !!(pl->link_config.pause & MLO_PAUSE_TX); in phylink_ethtool_get_pauseparam()
3092 * @pl: a pointer to a &struct phylink returned from phylink_create()
3095 int phylink_ethtool_set_pauseparam(struct phylink *pl, in phylink_ethtool_set_pauseparam() argument
3098 struct phylink_link_state *config = &pl->link_config; in phylink_ethtool_set_pauseparam()
3104 if (pl->req_link_an_mode == MLO_AN_FIXED) in phylink_ethtool_set_pauseparam()
3107 if (!phylink_test(pl->supported, Pause) && in phylink_ethtool_set_pauseparam()
3108 !phylink_test(pl->supported, Asym_Pause)) in phylink_ethtool_set_pauseparam()
3111 if (!phylink_test(pl->supported, Asym_Pause) && in phylink_ethtool_set_pauseparam()
3123 mutex_lock(&pl->state_mutex); in phylink_ethtool_set_pauseparam()
3149 if (!pl->phydev) in phylink_ethtool_set_pauseparam()
3150 phylink_change_inband_advert(pl); in phylink_ethtool_set_pauseparam()
3152 mutex_unlock(&pl->state_mutex); in phylink_ethtool_set_pauseparam()
3159 if (pl->phydev) in phylink_ethtool_set_pauseparam()
3160 phy_set_asym_pause(pl->phydev, pause->rx_pause, in phylink_ethtool_set_pauseparam()
3168 pl->link_failed = true; in phylink_ethtool_set_pauseparam()
3169 phylink_run_resolve(pl); in phylink_ethtool_set_pauseparam()
3179 * @pl: a pointer to a &struct phylink returned from phylink_create().
3182 * with the phylink instance specified by @pl.
3186 int phylink_get_eee_err(struct phylink *pl) in phylink_get_eee_err() argument
3192 if (pl->phydev) in phylink_get_eee_err()
3193 ret = phy_get_eee_err(pl->phydev); in phylink_get_eee_err()
3201 * @pl: a pointer to a &struct phylink returned from phylink_create()
3204 int phylink_ethtool_get_eee(struct phylink *pl, struct ethtool_keee *eee) in phylink_ethtool_get_eee() argument
3210 if (pl->mac_supports_eee_ops && !pl->mac_supports_eee) in phylink_ethtool_get_eee()
3213 if (pl->phydev) { in phylink_ethtool_get_eee()
3214 ret = phy_ethtool_get_eee(pl->phydev, eee); in phylink_ethtool_get_eee()
3216 if (ret == 0 && pl->mac_supports_eee_ops) in phylink_ethtool_get_eee()
3218 pl->supported_lpi); in phylink_ethtool_get_eee()
3227 * @pl: a pointer to a &struct phylink returned from phylink_create()
3230 int phylink_ethtool_set_eee(struct phylink *pl, struct ethtool_keee *eee) in phylink_ethtool_set_eee() argument
3232 bool mac_eee = pl->mac_supports_eee; in phylink_ethtool_set_eee()
3237 phylink_dbg(pl, "mac %s phylink EEE%s, adv %*pbl, LPI%s timer %uus\n", in phylink_ethtool_set_eee()
3243 if (pl->mac_supports_eee_ops && !mac_eee) in phylink_ethtool_set_eee()
3246 if (pl->phydev) { in phylink_ethtool_set_eee()
3248 if (pl->mac_supports_eee_ops) in phylink_ethtool_set_eee()
3250 pl->supported_lpi); in phylink_ethtool_set_eee()
3251 ret = phy_ethtool_set_eee(pl->phydev, eee); in phylink_ethtool_set_eee()
3253 eee_to_eeecfg(&pl->eee_cfg, eee); in phylink_ethtool_set_eee()
3286 static int phylink_phy_read(struct phylink *pl, unsigned int phy_id, in phylink_phy_read() argument
3289 struct phy_device *phydev = pl->phydev; in phylink_phy_read()
3295 return mdiobus_c45_read(pl->phydev->mdio.bus, prtad, devad, in phylink_phy_read()
3321 return mdiobus_c45_read(pl->phydev->mdio.bus, prtad, devad, in phylink_phy_read()
3325 return mdiobus_read(pl->phydev->mdio.bus, phy_id, reg); in phylink_phy_read()
3328 static int phylink_phy_write(struct phylink *pl, unsigned int phy_id, in phylink_phy_write() argument
3331 struct phy_device *phydev = pl->phydev; in phylink_phy_write()
3337 return mdiobus_c45_write(pl->phydev->mdio.bus, prtad, devad, in phylink_phy_write()
3362 return mdiobus_c45_write(pl->phydev->mdio.bus, phy_id, devad, in phylink_phy_write()
3369 static int phylink_mii_read(struct phylink *pl, unsigned int phy_id, in phylink_mii_read() argument
3375 switch (pl->act_link_an_mode) { in phylink_mii_read()
3378 phylink_get_fixed_state(pl, &state); in phylink_mii_read()
3388 phylink_mac_pcs_get_state(pl, &state); in phylink_mii_read()
3397 static int phylink_mii_write(struct phylink *pl, unsigned int phy_id, in phylink_mii_write() argument
3400 switch (pl->act_link_an_mode) { in phylink_mii_write()
3416 * @pl: a pointer to a &struct phylink returned from phylink_create()
3421 * specified by @pl. If no PHY is attached, emulate the presence of the PHY.
3432 int phylink_mii_ioctl(struct phylink *pl, struct ifreq *ifr, int cmd) in phylink_mii_ioctl() argument
3439 if (pl->phydev) { in phylink_mii_ioctl()
3443 mii->phy_id = pl->phydev->mdio.addr; in phylink_mii_ioctl()
3447 ret = phylink_phy_read(pl, mii->phy_id, mii->reg_num); in phylink_mii_ioctl()
3455 ret = phylink_phy_write(pl, mii->phy_id, mii->reg_num, in phylink_mii_ioctl()
3460 ret = phy_mii_ioctl(pl->phydev, ifr, cmd); in phylink_mii_ioctl()
3470 ret = phylink_mii_read(pl, mii->phy_id, mii->reg_num); in phylink_mii_ioctl()
3478 ret = phylink_mii_write(pl, mii->phy_id, mii->reg_num, in phylink_mii_ioctl()
3495 * @pl: a pointer to a &struct phylink returned from phylink_create()
3504 int phylink_speed_down(struct phylink *pl, bool sync) in phylink_speed_down() argument
3510 if (!pl->sfp_bus && pl->phydev) in phylink_speed_down()
3511 ret = phy_speed_down(pl->phydev, sync); in phylink_speed_down()
3520 * @pl: a pointer to a &struct phylink returned from phylink_create()
3527 int phylink_speed_up(struct phylink *pl) in phylink_speed_up() argument
3533 if (!pl->sfp_bus && pl->phydev) in phylink_speed_up()
3534 ret = phy_speed_up(pl->phydev); in phylink_speed_up()
3542 struct phylink *pl = upstream; in phylink_sfp_attach() local
3544 pl->netdev->sfp_bus = bus; in phylink_sfp_attach()
3549 struct phylink *pl = upstream; in phylink_sfp_detach() local
3551 pl->netdev->sfp_bus = NULL; in phylink_sfp_detach()
3554 static phy_interface_t phylink_choose_sfp_interface(struct phylink *pl, in phylink_choose_sfp_interface() argument
3570 static void phylink_sfp_set_config(struct phylink *pl, unsigned long *supported, in phylink_sfp_set_config() argument
3576 phylink_dbg(pl, "requesting link mode %s/%s with support %*pb\n", in phylink_sfp_set_config()
3580 if (!linkmode_equal(pl->supported, supported)) { in phylink_sfp_set_config()
3581 linkmode_copy(pl->supported, supported); in phylink_sfp_set_config()
3585 if (!linkmode_equal(pl->link_config.advertising, state->advertising)) { in phylink_sfp_set_config()
3586 linkmode_copy(pl->link_config.advertising, state->advertising); in phylink_sfp_set_config()
3590 if (pl->req_link_an_mode != mode || in phylink_sfp_set_config()
3591 pl->link_config.interface != state->interface) { in phylink_sfp_set_config()
3592 pl->req_link_an_mode = mode; in phylink_sfp_set_config()
3593 pl->link_config.interface = state->interface; in phylink_sfp_set_config()
3597 phylink_info(pl, "switched to %s/%s link mode\n", in phylink_sfp_set_config()
3603 &pl->phylink_disable_state)) in phylink_sfp_set_config()
3604 phylink_mac_initial_config(pl, false); in phylink_sfp_set_config()
3607 static int phylink_sfp_config_phy(struct phylink *pl, struct phy_device *phy) in phylink_sfp_config_phy() argument
3613 /* We're not using pl->sfp_interfaces, so clear it. */ in phylink_sfp_config_phy()
3614 phy_interface_zero(pl->sfp_interfaces); in phylink_sfp_config_phy()
3625 ret = phylink_validate(pl, support, &config); in phylink_sfp_config_phy()
3627 phylink_err(pl, "validation with support %*pb failed: %pe\n", in phylink_sfp_config_phy()
3633 config.interface = phylink_sfp_select_interface(pl, config.advertising); in phylink_sfp_config_phy()
3640 ret = phylink_attach_phy(pl, phy, config.interface); in phylink_sfp_config_phy()
3645 ret = phylink_bringup_phy(pl, phy, config.interface); in phylink_sfp_config_phy()
3651 pl->link_port = pl->sfp_port; in phylink_sfp_config_phy()
3653 phylink_sfp_set_config(pl, support, &config, true); in phylink_sfp_config_phy()
3658 static int phylink_sfp_config_optical(struct phylink *pl) in phylink_sfp_config_optical() argument
3666 phylink_dbg(pl, "optical SFP: interfaces=[mac=%*pbl, sfp=%*pbl]\n", in phylink_sfp_config_optical()
3668 pl->config->supported_interfaces, in phylink_sfp_config_optical()
3670 pl->sfp_interfaces); in phylink_sfp_config_optical()
3675 phy_interface_and(pl->sfp_interfaces, pl->config->supported_interfaces, in phylink_sfp_config_optical()
3676 pl->sfp_interfaces); in phylink_sfp_config_optical()
3677 if (phy_interface_empty(pl->sfp_interfaces)) { in phylink_sfp_config_optical()
3678 phylink_err(pl, "unsupported SFP module: no common interface modes\n"); in phylink_sfp_config_optical()
3683 linkmode_copy(support, pl->sfp_support); in phylink_sfp_config_optical()
3684 linkmode_copy(config.advertising, pl->sfp_support); in phylink_sfp_config_optical()
3692 ret = phylink_validate_mask(pl, NULL, pl->sfp_support, &config, in phylink_sfp_config_optical()
3693 pl->sfp_interfaces); in phylink_sfp_config_optical()
3695 phylink_err(pl, "unsupported SFP module: validation with support %*pb failed\n", in phylink_sfp_config_optical()
3700 interface = phylink_choose_sfp_interface(pl, pl->sfp_interfaces); in phylink_sfp_config_optical()
3702 phylink_err(pl, "failed to select SFP interface\n"); in phylink_sfp_config_optical()
3706 phylink_dbg(pl, "optical SFP: chosen %s interface\n", in phylink_sfp_config_optical()
3716 if (phy_interface_weight(pl->sfp_interfaces) == 1) { in phylink_sfp_config_optical()
3718 pl->sfp_support); in phylink_sfp_config_optical()
3726 if (!phylink_validate_pcs_inband_autoneg(pl, interface, in phylink_sfp_config_optical()
3728 phylink_err(pl, "autoneg setting not compatible with PCS"); in phylink_sfp_config_optical()
3735 ret = phylink_validate(pl, support, &config); in phylink_sfp_config_optical()
3737 phylink_err(pl, "validation with support %*pb failed: %pe\n", in phylink_sfp_config_optical()
3743 pl->link_port = pl->sfp_port; in phylink_sfp_config_optical()
3745 phylink_sfp_set_config(pl, pl->sfp_support, &config, false); in phylink_sfp_config_optical()
3754 struct phylink *pl = upstream; in phylink_sfp_module_insert() local
3758 caps = sfp_get_module_caps(pl->sfp_bus); in phylink_sfp_module_insert()
3759 phy_interface_copy(pl->sfp_interfaces, caps->interfaces); in phylink_sfp_module_insert()
3760 linkmode_copy(pl->sfp_support, caps->link_modes); in phylink_sfp_module_insert()
3761 pl->sfp_may_have_phy = caps->may_have_phy; in phylink_sfp_module_insert()
3762 pl->sfp_port = caps->port; in phylink_sfp_module_insert()
3765 if (pl->sfp_may_have_phy) in phylink_sfp_module_insert()
3768 return phylink_sfp_config_optical(pl); in phylink_sfp_module_insert()
3773 struct phylink *pl = upstream; in phylink_sfp_module_remove() local
3775 phy_interface_zero(pl->sfp_interfaces); in phylink_sfp_module_remove()
3780 struct phylink *pl = upstream; in phylink_sfp_module_start() local
3783 if (pl->phydev) { in phylink_sfp_module_start()
3784 phy_start(pl->phydev); in phylink_sfp_module_start()
3791 if (!pl->sfp_may_have_phy) in phylink_sfp_module_start()
3794 return phylink_sfp_config_optical(pl); in phylink_sfp_module_start()
3799 struct phylink *pl = upstream; in phylink_sfp_module_stop() local
3802 if (pl->phydev) in phylink_sfp_module_stop()
3803 phy_stop(pl->phydev); in phylink_sfp_module_stop()
3808 struct phylink *pl = upstream; in phylink_sfp_link_down() local
3812 phylink_run_resolve_and_disable(pl, PHYLINK_DISABLE_LINK); in phylink_sfp_link_down()
3817 struct phylink *pl = upstream; in phylink_sfp_link_up() local
3821 phylink_enable_and_run_resolve(pl, PHYLINK_DISABLE_LINK); in phylink_sfp_link_up()
3826 struct phylink *pl = upstream; in phylink_sfp_connect_phy() local
3829 phylink_err(pl, "PHY %s (id 0x%.8lx) has no driver loaded\n", in phylink_sfp_connect_phy()
3831 …phylink_err(pl, "Drivers which handle known common cases: CONFIG_BCM84881_PHY, CONFIG_MARVELL_PHY\… in phylink_sfp_connect_phy()
3846 pl->config->supported_interfaces); in phylink_sfp_connect_phy()
3849 return phylink_sfp_config_phy(pl, phy); in phylink_sfp_connect_phy()