Lines Matching +full:asym +full:- +full:pause
1 // SPDX-License-Identifier: GPL-2.0
4 * technologies such as SFP cages where the PHY is hot-pluggable.
44 * struct phylink - internal data type for phylink
60 u8 link_port; /* The current non-phy ethtool port */
93 if ((pl)->config->type == PHYLINK_NETDEV) \
94 netdev_printk(level, (pl)->netdev, fmt, ##__VA_ARGS__); \
95 else if ((pl)->config->type == PHYLINK_DEV) \
96 dev_printk(level, (pl)->dev, fmt, ##__VA_ARGS__); \
108 if ((pl)->config->type == PHYLINK_NETDEV) \
109 netdev_dbg((pl)->netdev, fmt, ##__VA_ARGS__); \
110 else if ((pl)->config->type == PHYLINK_DEV) \
111 dev_dbg((pl)->dev, fmt, ##__VA_ARGS__); \
138 * phylink_set_port_modes() - set the port type modes in the ethtool mask
161 phylink_set(tmp, Pause); in phylink_is_empty_linkmode()
196 * phylink_interface_max_speed() - get the maximum speed of a phy interface
266 * phylink_caps_to_linkmodes() - Convert capabilities to ethtool link modes
270 * Set all possible pause, speed and duplex linkmodes in @linkmodes that are
443 * phylink_limit_mac_speed - limit the phylink_config to a maximum speed
456 config->mac_capabilities &= ~phylink_caps_params[i].mask; in phylink_limit_mac_speed()
461 * phylink_cap_from_speed_duplex - Get mac capability from speed/duplex
485 * phylink_get_capabilities() - get capabilities for a given MAC
582 /* The MAC must support asymmetric pause towards the local in phylink_get_capabilities()
583 * device for this. We could allow just symmetric pause, but in phylink_get_capabilities()
585 * doesn't support pause. This is because there's no way to in phylink_get_capabilities()
586 * accept pause frames without transmitting them if we only in phylink_get_capabilities()
587 * support symmetric pause. in phylink_get_capabilities()
598 /* Although a duplex-matching phy might exist, we in phylink_get_capabilities()
600 * will not be aware of the half-duplex nature of the in phylink_get_capabilities()
624 * phylink_validate_mask_caps() - Restrict link modes based on caps
642 caps = phylink_get_capabilities(state->interface, mac_capabilities, in phylink_validate_mask_caps()
643 state->rate_matching); in phylink_validate_mask_caps()
647 linkmode_and(state->advertising, state->advertising, mask); in phylink_validate_mask_caps()
659 if (pl->using_mac_select_pcs) { in phylink_validate_mac_and_pcs()
660 pcs = pl->mac_ops->mac_select_pcs(pl->config, state->interface); in phylink_validate_mac_and_pcs()
664 pcs = pl->pcs; in phylink_validate_mac_and_pcs()
672 if (!pcs->ops) { in phylink_validate_mac_and_pcs()
674 phy_modes(state->interface)); in phylink_validate_mac_and_pcs()
676 return -EINVAL; in phylink_validate_mac_and_pcs()
680 if (pcs->ops->pcs_validate) { in phylink_validate_mac_and_pcs()
681 ret = pcs->ops->pcs_validate(pcs, supported, state); in phylink_validate_mac_and_pcs()
683 return -EINVAL; in phylink_validate_mac_and_pcs()
688 linkmode_and(state->advertising, state->advertising, in phylink_validate_mac_and_pcs()
694 if (pl->mac_ops->mac_get_caps) in phylink_validate_mac_and_pcs()
695 capabilities = pl->mac_ops->mac_get_caps(pl->config, in phylink_validate_mac_and_pcs()
696 state->interface); in phylink_validate_mac_and_pcs()
698 capabilities = pl->config->mac_capabilities; in phylink_validate_mac_and_pcs()
702 return phylink_is_empty_linkmode(supported) ? -EINVAL : 0; in phylink_validate_mac_and_pcs()
749 linkmode_copy(state->advertising, all_adv); in phylink_validate_mask()
751 return phylink_is_empty_linkmode(supported) ? -EINVAL : 0; in phylink_validate_mask()
757 const unsigned long *interfaces = pl->config->supported_interfaces; in phylink_validate()
759 if (state->interface == PHY_INTERFACE_MODE_NA) in phylink_validate()
763 if (!test_bit(state->interface, interfaces)) in phylink_validate()
764 return -EINVAL; in phylink_validate()
773 bool pause, asym_pause, autoneg; in phylink_parse_fixedlink() local
779 fixed_node = fwnode_get_named_child_node(fwnode, "fixed-link"); in phylink_parse_fixedlink()
783 pl->link_config.speed = speed; in phylink_parse_fixedlink()
784 pl->link_config.duplex = DUPLEX_HALF; in phylink_parse_fixedlink()
786 if (fwnode_property_read_bool(fixed_node, "full-duplex")) in phylink_parse_fixedlink()
787 pl->link_config.duplex = DUPLEX_FULL; in phylink_parse_fixedlink()
789 /* We treat the "pause" and "asym-pause" terminology as in phylink_parse_fixedlink()
792 if (fwnode_property_read_bool(fixed_node, "pause")) in phylink_parse_fixedlink()
794 pl->link_config.lp_advertising); in phylink_parse_fixedlink()
795 if (fwnode_property_read_bool(fixed_node, "asym-pause")) in phylink_parse_fixedlink()
797 pl->link_config.lp_advertising); in phylink_parse_fixedlink()
804 pl->link_gpio = desc; in phylink_parse_fixedlink()
805 else if (desc == ERR_PTR(-EPROBE_DEFER)) in phylink_parse_fixedlink()
806 ret = -EPROBE_DEFER; in phylink_parse_fixedlink()
815 ret = fwnode_property_read_u32_array(fwnode, "fixed-link", in phylink_parse_fixedlink()
818 phylink_err(pl, "broken fixed-link?\n"); in phylink_parse_fixedlink()
819 return -EINVAL; in phylink_parse_fixedlink()
822 ret = fwnode_property_read_u32_array(fwnode, "fixed-link", in phylink_parse_fixedlink()
825 pl->link_config.duplex = prop[1] ? in phylink_parse_fixedlink()
827 pl->link_config.speed = prop[2]; in phylink_parse_fixedlink()
830 pl->link_config.lp_advertising); in phylink_parse_fixedlink()
833 pl->link_config.lp_advertising); in phylink_parse_fixedlink()
837 if (pl->link_config.speed > SPEED_1000 && in phylink_parse_fixedlink()
838 pl->link_config.duplex != DUPLEX_FULL) in phylink_parse_fixedlink()
840 pl->link_config.speed); in phylink_parse_fixedlink()
842 linkmode_fill(pl->supported); in phylink_parse_fixedlink()
843 linkmode_copy(pl->link_config.advertising, pl->supported); in phylink_parse_fixedlink()
844 phylink_validate(pl, pl->supported, &pl->link_config); in phylink_parse_fixedlink()
846 pause = phylink_test(pl->supported, Pause); in phylink_parse_fixedlink()
847 asym_pause = phylink_test(pl->supported, Asym_Pause); in phylink_parse_fixedlink()
848 autoneg = phylink_test(pl->supported, Autoneg); in phylink_parse_fixedlink()
849 s = phy_lookup_setting(pl->link_config.speed, pl->link_config.duplex, in phylink_parse_fixedlink()
850 pl->supported, true); in phylink_parse_fixedlink()
851 linkmode_zero(pl->supported); in phylink_parse_fixedlink()
852 phylink_set(pl->supported, MII); in phylink_parse_fixedlink()
854 if (pause) in phylink_parse_fixedlink()
855 phylink_set(pl->supported, Pause); in phylink_parse_fixedlink()
858 phylink_set(pl->supported, Asym_Pause); in phylink_parse_fixedlink()
861 phylink_set(pl->supported, Autoneg); in phylink_parse_fixedlink()
864 __set_bit(s->bit, pl->supported); in phylink_parse_fixedlink()
865 __set_bit(s->bit, pl->link_config.lp_advertising); in phylink_parse_fixedlink()
868 pl->link_config.duplex == DUPLEX_FULL ? "full" : "half", in phylink_parse_fixedlink()
869 pl->link_config.speed); in phylink_parse_fixedlink()
872 linkmode_and(pl->link_config.advertising, pl->link_config.advertising, in phylink_parse_fixedlink()
873 pl->supported); in phylink_parse_fixedlink()
875 pl->link_config.link = 1; in phylink_parse_fixedlink()
876 pl->link_config.an_complete = 1; in phylink_parse_fixedlink()
888 dn = fwnode_get_named_child_node(fwnode, "fixed-link"); in phylink_parse_mode()
889 if (dn || fwnode_property_present(fwnode, "fixed-link")) in phylink_parse_mode()
890 pl->cfg_link_an_mode = MLO_AN_FIXED; in phylink_parse_mode()
894 strcmp(managed, "in-band-status") == 0) || in phylink_parse_mode()
895 pl->config->ovr_an_inband) { in phylink_parse_mode()
896 if (pl->cfg_link_an_mode == MLO_AN_FIXED) { in phylink_parse_mode()
898 "can't use both fixed-link and in-band-status\n"); in phylink_parse_mode()
899 return -EINVAL; in phylink_parse_mode()
902 linkmode_zero(pl->supported); in phylink_parse_mode()
903 phylink_set(pl->supported, MII); in phylink_parse_mode()
904 phylink_set(pl->supported, Autoneg); in phylink_parse_mode()
905 phylink_set(pl->supported, Asym_Pause); in phylink_parse_mode()
906 phylink_set(pl->supported, Pause); in phylink_parse_mode()
907 pl->cfg_link_an_mode = MLO_AN_INBAND; in phylink_parse_mode()
909 switch (pl->link_config.interface) { in phylink_parse_mode()
928 caps = phylink_get_capabilities(pl->link_config.interface, caps, in phylink_parse_mode()
930 phylink_caps_to_linkmodes(pl->supported, caps); in phylink_parse_mode()
935 "incorrect link mode %s for in-band status\n", in phylink_parse_mode()
936 phy_modes(pl->link_config.interface)); in phylink_parse_mode()
937 return -EINVAL; in phylink_parse_mode()
940 linkmode_copy(pl->link_config.advertising, pl->supported); in phylink_parse_mode()
942 if (phylink_validate(pl, pl->supported, &pl->link_config)) { in phylink_parse_mode()
944 "failed to validate link configuration for in-band status\n"); in phylink_parse_mode()
945 return -EINVAL; in phylink_parse_mode()
955 /* If autoneg is disabled, pause AN is also disabled */ in phylink_apply_manual_flow()
957 state->advertising)) in phylink_apply_manual_flow()
958 state->pause &= ~MLO_PAUSE_AN; in phylink_apply_manual_flow()
960 /* Manual configuration of pause modes */ in phylink_apply_manual_flow()
961 if (!(pl->link_config.pause & MLO_PAUSE_AN)) in phylink_apply_manual_flow()
962 state->pause = pl->link_config.pause; in phylink_apply_manual_flow()
969 if (state->duplex == DUPLEX_FULL) { in phylink_resolve_an_pause()
970 linkmode_resolve_pause(state->advertising, in phylink_resolve_an_pause()
971 state->lp_advertising, in phylink_resolve_an_pause()
974 state->pause |= MLO_PAUSE_TX; in phylink_resolve_an_pause()
976 state->pause |= MLO_PAUSE_RX; in phylink_resolve_an_pause()
983 if (pcs && pcs->ops->pcs_pre_config) in phylink_pcs_pre_config()
984 pcs->ops->pcs_pre_config(pcs, interface); in phylink_pcs_pre_config()
992 if (pcs && pcs->ops->pcs_post_config) in phylink_pcs_post_config()
993 err = pcs->ops->pcs_post_config(pcs, interface); in phylink_pcs_post_config()
1000 if (pcs && pcs->ops->pcs_disable) in phylink_pcs_disable()
1001 pcs->ops->pcs_disable(pcs); in phylink_pcs_disable()
1008 if (pcs && pcs->ops->pcs_enable) in phylink_pcs_enable()
1009 err = pcs->ops->pcs_enable(pcs); in phylink_pcs_enable()
1021 return pcs->ops->pcs_config(pcs, neg_mode, state->interface, in phylink_pcs_config()
1022 state->advertising, permit_pause_to_mac); in phylink_pcs_config()
1029 if (pcs && pcs->ops->pcs_link_up) in phylink_pcs_link_up()
1030 pcs->ops->pcs_link_up(pcs, neg_mode, interface, speed, duplex); in phylink_pcs_link_up()
1035 if (pl->cfg_link_an_mode == MLO_AN_INBAND) in phylink_pcs_poll_stop()
1036 del_timer(&pl->link_poll); in phylink_pcs_poll_stop()
1041 if (pl->pcs && pl->pcs->poll && pl->cfg_link_an_mode == MLO_AN_INBAND) in phylink_pcs_poll_start()
1042 mod_timer(&pl->link_poll, jiffies + HZ); in phylink_pcs_poll_start()
1058 "%s: mode=%s/%s/%s adv=%*pb pause=%02x\n", in phylink_mac_config()
1059 __func__, phylink_an_mode_str(pl->cur_link_an_mode), in phylink_mac_config()
1063 st.pause); in phylink_mac_config()
1065 pl->mac_ops->mac_config(pl->config, pl->cur_link_an_mode, &st); in phylink_mac_config()
1070 if (pl->pcs && linkmode_test_bit(ETHTOOL_LINK_MODE_Autoneg_BIT, in phylink_pcs_an_restart()
1071 pl->link_config.advertising) && in phylink_pcs_an_restart()
1072 phy_interface_mode_is_8023z(pl->link_config.interface) && in phylink_pcs_an_restart()
1073 phylink_autoneg_inband(pl->cur_link_an_mode)) in phylink_pcs_an_restart()
1074 pl->pcs->ops->pcs_an_restart(pl->pcs); in phylink_pcs_an_restart()
1078 * phylink_pcs_neg_mode() - helper to determine PCS inband mode
1086 * - %PHYLINK_PCS_NEG_NONE: interface mode does not support inband
1087 * - %PHYLINK_PCS_NEG_OUTBAND: an out of band mode (e.g. reading the PHY)
1089 * - %PHYLINK_PCS_NEG_INBAND_DISABLED: inband mode selected but autoneg
1091 * - %PHYLINK_PCS_NEG_INBAND_ENABLED: inband mode selected and autoneg enabled
1120 /* 1000base-X is designed for use media-side for Fibre in phylink_pcs_neg_mode()
1122 * taken into account. We also do this for 2500base-X in phylink_pcs_neg_mode()
1152 phylink_dbg(pl, "major config %s\n", phy_modes(state->interface)); in phylink_major_config()
1154 pl->pcs_neg_mode = phylink_pcs_neg_mode(pl->cur_link_an_mode, in phylink_major_config()
1155 state->interface, in phylink_major_config()
1156 state->advertising); in phylink_major_config()
1158 if (pl->using_mac_select_pcs) { in phylink_major_config()
1159 pcs = pl->mac_ops->mac_select_pcs(pl->config, state->interface); in phylink_major_config()
1167 pcs_changed = pcs && pl->pcs != pcs; in phylink_major_config()
1172 if (pl->mac_ops->mac_prepare) { in phylink_major_config()
1173 err = pl->mac_ops->mac_prepare(pl->config, pl->cur_link_an_mode, in phylink_major_config()
1174 state->interface); in phylink_major_config()
1186 phylink_pcs_disable(pl->pcs); in phylink_major_config()
1188 if (pl->pcs) in phylink_major_config()
1189 pl->pcs->phylink = NULL; in phylink_major_config()
1191 pcs->phylink = pl; in phylink_major_config()
1193 pl->pcs = pcs; in phylink_major_config()
1196 if (pl->pcs) in phylink_major_config()
1197 phylink_pcs_pre_config(pl->pcs, state->interface); in phylink_major_config()
1201 if (pl->pcs) in phylink_major_config()
1202 phylink_pcs_post_config(pl->pcs, state->interface); in phylink_major_config()
1204 if (pl->pcs_state == PCS_STATE_STARTING || pcs_changed) in phylink_major_config()
1205 phylink_pcs_enable(pl->pcs); in phylink_major_config()
1207 neg_mode = pl->cur_link_an_mode; in phylink_major_config()
1208 if (pl->pcs && pl->pcs->neg_mode) in phylink_major_config()
1209 neg_mode = pl->pcs_neg_mode; in phylink_major_config()
1211 err = phylink_pcs_config(pl->pcs, neg_mode, state, in phylink_major_config()
1212 !!(pl->link_config.pause & MLO_PAUSE_AN)); in phylink_major_config()
1222 if (pl->mac_ops->mac_finish) { in phylink_major_config()
1223 err = pl->mac_ops->mac_finish(pl->config, pl->cur_link_an_mode, in phylink_major_config()
1224 state->interface); in phylink_major_config()
1230 if (pl->sfp_bus) { in phylink_major_config()
1231 rate_kbd = phylink_interface_signal_rate(state->interface); in phylink_major_config()
1233 sfp_upstream_set_signal_rate(pl->sfp_bus, rate_kbd); in phylink_major_config()
1250 if (test_bit(PHYLINK_DISABLE_STOPPED, &pl->phylink_disable_state)) in phylink_change_inband_advert()
1253 phylink_dbg(pl, "%s: mode=%s/%s adv=%*pb pause=%02x\n", __func__, in phylink_change_inband_advert()
1254 phylink_an_mode_str(pl->cur_link_an_mode), in phylink_change_inband_advert()
1255 phy_modes(pl->link_config.interface), in phylink_change_inband_advert()
1256 __ETHTOOL_LINK_MODE_MASK_NBITS, pl->link_config.advertising, in phylink_change_inband_advert()
1257 pl->link_config.pause); in phylink_change_inband_advert()
1260 pl->pcs_neg_mode = phylink_pcs_neg_mode(pl->cur_link_an_mode, in phylink_change_inband_advert()
1261 pl->link_config.interface, in phylink_change_inband_advert()
1262 pl->link_config.advertising); in phylink_change_inband_advert()
1264 neg_mode = pl->cur_link_an_mode; in phylink_change_inband_advert()
1265 if (pl->pcs->neg_mode) in phylink_change_inband_advert()
1266 neg_mode = pl->pcs_neg_mode; in phylink_change_inband_advert()
1268 /* Modern PCS-based method; update the advert at the PCS, and in phylink_change_inband_advert()
1272 ret = phylink_pcs_config(pl->pcs, neg_mode, &pl->link_config, in phylink_change_inband_advert()
1273 !!(pl->link_config.pause & MLO_PAUSE_AN)); in phylink_change_inband_advert()
1286 linkmode_copy(state->advertising, pl->link_config.advertising); in phylink_mac_pcs_get_state()
1287 linkmode_zero(state->lp_advertising); in phylink_mac_pcs_get_state()
1288 state->interface = pl->link_config.interface; in phylink_mac_pcs_get_state()
1289 state->rate_matching = pl->link_config.rate_matching; in phylink_mac_pcs_get_state()
1291 state->advertising)) { in phylink_mac_pcs_get_state()
1292 state->speed = SPEED_UNKNOWN; in phylink_mac_pcs_get_state()
1293 state->duplex = DUPLEX_UNKNOWN; in phylink_mac_pcs_get_state()
1294 state->pause = MLO_PAUSE_NONE; in phylink_mac_pcs_get_state()
1296 state->speed = pl->link_config.speed; in phylink_mac_pcs_get_state()
1297 state->duplex = pl->link_config.duplex; in phylink_mac_pcs_get_state()
1298 state->pause = pl->link_config.pause; in phylink_mac_pcs_get_state()
1300 state->an_complete = 0; in phylink_mac_pcs_get_state()
1301 state->link = 1; in phylink_mac_pcs_get_state()
1303 if (pl->pcs) in phylink_mac_pcs_get_state()
1304 pl->pcs->ops->pcs_get_state(pl->pcs, state); in phylink_mac_pcs_get_state()
1306 state->link = 0; in phylink_mac_pcs_get_state()
1315 *state = pl->link_config; in phylink_get_fixed_state()
1316 if (pl->config->get_fixed_state) in phylink_get_fixed_state()
1317 pl->config->get_fixed_state(pl->config, state); in phylink_get_fixed_state()
1318 else if (pl->link_gpio) in phylink_get_fixed_state()
1319 state->link = !!gpiod_get_value_cansleep(pl->link_gpio); in phylink_get_fixed_state()
1321 state->pause = MLO_PAUSE_NONE; in phylink_get_fixed_state()
1329 switch (pl->cur_link_an_mode) { in phylink_mac_initial_config()
1331 link_state = pl->phy_state; in phylink_mac_initial_config()
1339 link_state = pl->link_config; in phylink_mac_initial_config()
1341 link_state.pause = MLO_PAUSE_NONE; in phylink_mac_initial_config()
1354 static const char *phylink_pause_to_str(int pause) in phylink_pause_to_str() argument
1356 switch (pause & MLO_PAUSE_TXRX_MASK) { in phylink_pause_to_str()
1371 struct net_device *ndev = pl->netdev; in phylink_link_up()
1378 rx_pause = !!(link_state.pause & MLO_PAUSE_RX); in phylink_link_up()
1384 * pause frames to the MAC to limit its transmission speed. in phylink_link_up()
1401 pl->cur_interface = link_state.interface; in phylink_link_up()
1403 neg_mode = pl->cur_link_an_mode; in phylink_link_up()
1404 if (pl->pcs && pl->pcs->neg_mode) in phylink_link_up()
1405 neg_mode = pl->pcs_neg_mode; in phylink_link_up()
1407 phylink_pcs_link_up(pl->pcs, neg_mode, pl->cur_interface, speed, in phylink_link_up()
1410 pl->mac_ops->mac_link_up(pl->config, pl->phydev, pl->cur_link_an_mode, in phylink_link_up()
1411 pl->cur_interface, speed, duplex, in phylink_link_up()
1412 !!(link_state.pause & MLO_PAUSE_TX), rx_pause); in phylink_link_up()
1418 "Link is Up - %s/%s - flow control %s\n", in phylink_link_up()
1421 phylink_pause_to_str(link_state.pause)); in phylink_link_up()
1426 struct net_device *ndev = pl->netdev; in phylink_link_down()
1430 pl->mac_ops->mac_link_down(pl->config, pl->cur_link_an_mode, in phylink_link_down()
1431 pl->cur_interface); in phylink_link_down()
1439 struct net_device *ndev = pl->netdev; in phylink_resolve()
1444 mutex_lock(&pl->state_mutex); in phylink_resolve()
1445 if (pl->netdev) in phylink_resolve()
1448 cur_link_state = pl->old_link_state; in phylink_resolve()
1450 if (pl->phylink_disable_state) { in phylink_resolve()
1451 pl->mac_link_dropped = false; in phylink_resolve()
1453 } else if (pl->mac_link_dropped) { in phylink_resolve()
1457 switch (pl->cur_link_an_mode) { in phylink_resolve()
1459 link_state = pl->phy_state; in phylink_resolve()
1472 /* The PCS may have a latching link-fail indicator. in phylink_resolve()
1474 * re-trigger the resolve. Otherwise, re-read the in phylink_resolve()
1488 if (pl->phydev) in phylink_resolve()
1489 link_state.link &= pl->phy_state.link; in phylink_resolve()
1492 if (pl->phydev && pl->phy_state.link) { in phylink_resolve()
1495 * down, and re-resolve. in phylink_resolve()
1498 pl->phy_state.interface) { in phylink_resolve()
1502 link_state.interface = pl->phy_state.interface; in phylink_resolve()
1507 if (pl->phy_state.rate_matching) { in phylink_resolve()
1509 pl->phy_state.rate_matching; in phylink_resolve()
1510 link_state.speed = pl->phy_state.speed; in phylink_resolve()
1512 pl->phy_state.duplex; in phylink_resolve()
1518 link_state.pause = pl->phy_state.pause; in phylink_resolve()
1527 if (link_state.interface != pl->link_config.interface) { in phylink_resolve()
1536 pl->link_config.interface = link_state.interface; in phylink_resolve()
1541 pl->old_link_state = link_state.link; in phylink_resolve()
1548 pl->mac_link_dropped = false; in phylink_resolve()
1549 queue_work(system_power_efficient_wq, &pl->resolve); in phylink_resolve()
1551 mutex_unlock(&pl->state_mutex); in phylink_resolve()
1556 if (!pl->phylink_disable_state) in phylink_run_resolve()
1557 queue_work(system_power_efficient_wq, &pl->resolve); in phylink_run_resolve()
1562 unsigned long state = pl->phylink_disable_state; in phylink_run_resolve_and_disable()
1564 set_bit(bit, &pl->phylink_disable_state); in phylink_run_resolve_and_disable()
1566 queue_work(system_power_efficient_wq, &pl->resolve); in phylink_run_resolve_and_disable()
1567 flush_work(&pl->resolve); in phylink_run_resolve_and_disable()
1573 clear_bit(bit, &pl->phylink_disable_state); in phylink_enable_and_run_resolve()
1603 pl->sfp_bus = bus; in phylink_register_sfp()
1612 * phylink_create() - create a phylink instance
1620 * This will parse in-band modes, fixed-link or SFP configuration.
1624 * Returns a pointer to a &struct phylink, or an error-pointer value. Users
1637 if (phy_interface_empty(config->supported_interfaces)) { in phylink_create()
1638 dev_err(config->dev, in phylink_create()
1640 return ERR_PTR(-EINVAL); in phylink_create()
1643 if (mac_ops->mac_select_pcs && in phylink_create()
1644 mac_ops->mac_select_pcs(config, PHY_INTERFACE_MODE_NA) != in phylink_create()
1645 ERR_PTR(-EOPNOTSUPP)) in phylink_create()
1650 return ERR_PTR(-ENOMEM); in phylink_create()
1652 mutex_init(&pl->state_mutex); in phylink_create()
1653 INIT_WORK(&pl->resolve, phylink_resolve); in phylink_create()
1655 pl->config = config; in phylink_create()
1656 if (config->type == PHYLINK_NETDEV) { in phylink_create()
1657 pl->netdev = to_net_dev(config->dev); in phylink_create()
1658 netif_carrier_off(pl->netdev); in phylink_create()
1659 } else if (config->type == PHYLINK_DEV) { in phylink_create()
1660 pl->dev = config->dev; in phylink_create()
1663 return ERR_PTR(-EINVAL); in phylink_create()
1666 pl->using_mac_select_pcs = using_mac_select_pcs; in phylink_create()
1667 pl->phy_state.interface = iface; in phylink_create()
1668 pl->link_interface = iface; in phylink_create()
1670 pl->link_port = PORT_BNC; in phylink_create()
1672 pl->link_port = PORT_MII; in phylink_create()
1673 pl->link_config.interface = iface; in phylink_create()
1674 pl->link_config.pause = MLO_PAUSE_AN; in phylink_create()
1675 pl->link_config.speed = SPEED_UNKNOWN; in phylink_create()
1676 pl->link_config.duplex = DUPLEX_UNKNOWN; in phylink_create()
1677 pl->pcs_state = PCS_STATE_DOWN; in phylink_create()
1678 pl->mac_ops = mac_ops; in phylink_create()
1679 __set_bit(PHYLINK_DISABLE_STOPPED, &pl->phylink_disable_state); in phylink_create()
1680 timer_setup(&pl->link_poll, phylink_fixed_poll, 0); in phylink_create()
1682 linkmode_fill(pl->supported); in phylink_create()
1683 linkmode_copy(pl->link_config.advertising, pl->supported); in phylink_create()
1684 phylink_validate(pl, pl->supported, &pl->link_config); in phylink_create()
1692 if (pl->cfg_link_an_mode == MLO_AN_FIXED) { in phylink_create()
1700 pl->cur_link_an_mode = pl->cfg_link_an_mode; in phylink_create()
1713 * phylink_destroy() - cleanup and destroy the phylink instance
1723 sfp_bus_del_upstream(pl->sfp_bus); in phylink_destroy()
1724 if (pl->link_gpio) in phylink_destroy()
1725 gpiod_put(pl->link_gpio); in phylink_destroy()
1727 cancel_work_sync(&pl->resolve); in phylink_destroy()
1733 * phylink_expects_phy() - Determine if phylink expects a phy to be attached
1736 * When using fixed-link mode, or in-band mode with 1000base-X or 2500base-X,
1743 if (pl->cfg_link_an_mode == MLO_AN_FIXED || in phylink_expects_phy()
1744 (pl->cfg_link_an_mode == MLO_AN_INBAND && in phylink_expects_phy()
1745 phy_interface_mode_is_8023z(pl->link_config.interface))) in phylink_expects_phy()
1753 struct phylink *pl = phydev->phylink; in phylink_phy_change()
1758 mutex_lock(&pl->state_mutex); in phylink_phy_change()
1759 pl->phy_state.speed = phydev->speed; in phylink_phy_change()
1760 pl->phy_state.duplex = phydev->duplex; in phylink_phy_change()
1761 pl->phy_state.rate_matching = phydev->rate_matching; in phylink_phy_change()
1762 pl->phy_state.pause = MLO_PAUSE_NONE; in phylink_phy_change()
1764 pl->phy_state.pause |= MLO_PAUSE_TX; in phylink_phy_change()
1766 pl->phy_state.pause |= MLO_PAUSE_RX; in phylink_phy_change()
1767 pl->phy_state.interface = phydev->interface; in phylink_phy_change()
1768 pl->phy_state.link = up; in phylink_phy_change()
1769 mutex_unlock(&pl->state_mutex); in phylink_phy_change()
1774 phy_modes(phydev->interface), in phylink_phy_change()
1775 phy_speed_to_str(phydev->speed), in phylink_phy_change()
1776 phy_duplex_to_str(phydev->duplex), in phylink_phy_change()
1777 phy_rate_matching_to_str(phydev->rate_matching), in phylink_phy_change()
1778 phylink_pause_to_str(pl->phy_state.pause)); in phylink_phy_change()
1791 if (!phy_interface_empty(phy->possible_interfaces)) { in phylink_validate_phy()
1795 phy_interface_and(interfaces, phy->possible_interfaces, in phylink_validate_phy()
1796 pl->config->supported_interfaces); in phylink_validate_phy()
1800 return -EINVAL; in phylink_validate_phy()
1812 return -EINVAL; in phylink_validate_phy()
1819 phy->possible_interfaces, in phylink_validate_phy()
1829 state->rate_matching = phy_get_rate_matching(phy, state->interface); in phylink_validate_phy()
1831 /* Clause 45 PHYs may switch their Serdes lane between, e.g. 10GBASE-R, in phylink_validate_phy()
1832 * 5GBASE-R, 2500BASE-X and SGMII if they are not using rate matching. in phylink_validate_phy()
1838 * linkmodes can be supported. For now, as a work-around, we validate in phylink_validate_phy()
1842 if (phy->is_c45 && state->rate_matching == RATE_MATCH_NONE && in phylink_validate_phy()
1843 state->interface != PHY_INTERFACE_MODE_RXAUI && in phylink_validate_phy()
1844 state->interface != PHY_INTERFACE_MODE_XAUI && in phylink_validate_phy()
1845 state->interface != PHY_INTERFACE_MODE_USXGMII) in phylink_validate_phy()
1846 state->interface = PHY_INTERFACE_MODE_NA; in phylink_validate_phy()
1862 * phy drivers should not set SUPPORTED_[Asym_]Pause") except in phylink_bringup_phy()
1869 linkmode_copy(supported, phy->supported); in phylink_bringup_phy()
1870 linkmode_copy(config.advertising, phy->advertising); in phylink_bringup_phy()
1877 __ETHTOOL_LINK_MODE_MASK_NBITS, phy->supported, in phylink_bringup_phy()
1883 phy->phylink = pl; in phylink_bringup_phy()
1884 phy->phy_link_change = phylink_phy_change; in phylink_bringup_phy()
1889 dev_name(&phy->mdio.dev), phy->drv->name, irq_str); in phylink_bringup_phy()
1892 mutex_lock(&phy->lock); in phylink_bringup_phy()
1893 mutex_lock(&pl->state_mutex); in phylink_bringup_phy()
1894 pl->phydev = phy; in phylink_bringup_phy()
1895 pl->phy_state.interface = interface; in phylink_bringup_phy()
1896 pl->phy_state.pause = MLO_PAUSE_NONE; in phylink_bringup_phy()
1897 pl->phy_state.speed = SPEED_UNKNOWN; in phylink_bringup_phy()
1898 pl->phy_state.duplex = DUPLEX_UNKNOWN; in phylink_bringup_phy()
1899 pl->phy_state.rate_matching = RATE_MATCH_NONE; in phylink_bringup_phy()
1900 linkmode_copy(pl->supported, supported); in phylink_bringup_phy()
1901 linkmode_copy(pl->link_config.advertising, config.advertising); in phylink_bringup_phy()
1904 linkmode_copy(phy->advertising, config.advertising); in phylink_bringup_phy()
1905 mutex_unlock(&pl->state_mutex); in phylink_bringup_phy()
1906 mutex_unlock(&phy->lock); in phylink_bringup_phy()
1911 __ETHTOOL_LINK_MODE_MASK_NBITS, pl->supported, in phylink_bringup_phy()
1912 __ETHTOOL_LINK_MODE_MASK_NBITS, phy->advertising); in phylink_bringup_phy()
1917 if (pl->config->mac_managed_pm) in phylink_bringup_phy()
1918 phy->mac_managed_pm = true; in phylink_bringup_phy()
1926 if (WARN_ON(pl->cfg_link_an_mode == MLO_AN_FIXED || in phylink_attach_phy()
1927 (pl->cfg_link_an_mode == MLO_AN_INBAND && in phylink_attach_phy()
1928 phy_interface_mode_is_8023z(interface) && !pl->sfp_bus))) in phylink_attach_phy()
1929 return -EINVAL; in phylink_attach_phy()
1931 if (pl->phydev) in phylink_attach_phy()
1932 return -EBUSY; in phylink_attach_phy()
1934 return phy_attach_direct(pl->netdev, phy, 0, interface); in phylink_attach_phy()
1938 * phylink_connect_phy() - connect a PHY to the phylink instance
1957 if (pl->link_interface == PHY_INTERFACE_MODE_NA) { in phylink_connect_phy()
1958 pl->link_interface = phy->interface; in phylink_connect_phy()
1959 pl->link_config.interface = pl->link_interface; in phylink_connect_phy()
1962 ret = phylink_attach_phy(pl, phy, pl->link_interface); in phylink_connect_phy()
1966 ret = phylink_bringup_phy(pl, phy, pl->link_config.interface); in phylink_connect_phy()
1975 * phylink_of_phy_connect() - connect the PHY specified in the DT mode.
1978 * @flags: PHY-specific flags to communicate to the PHY device driver
1994 * phylink_fwnode_phy_connect() - connect the PHY specified in the fwnode.
1997 * @flags: PHY-specific flags to communicate to the PHY device driver
2013 if (pl->cfg_link_an_mode == MLO_AN_FIXED || in phylink_fwnode_phy_connect()
2014 (pl->cfg_link_an_mode == MLO_AN_INBAND && in phylink_fwnode_phy_connect()
2015 phy_interface_mode_is_8023z(pl->link_interface))) in phylink_fwnode_phy_connect()
2020 if (pl->cfg_link_an_mode == MLO_AN_PHY) in phylink_fwnode_phy_connect()
2021 return -ENODEV; in phylink_fwnode_phy_connect()
2029 return -ENODEV; in phylink_fwnode_phy_connect()
2032 if (pl->link_interface == PHY_INTERFACE_MODE_NA) { in phylink_fwnode_phy_connect()
2033 pl->link_interface = phy_dev->interface; in phylink_fwnode_phy_connect()
2034 pl->link_config.interface = pl->link_interface; in phylink_fwnode_phy_connect()
2037 ret = phy_attach_direct(pl->netdev, phy_dev, flags, in phylink_fwnode_phy_connect()
2038 pl->link_interface); in phylink_fwnode_phy_connect()
2043 ret = phylink_bringup_phy(pl, phy_dev, pl->link_config.interface); in phylink_fwnode_phy_connect()
2052 * phylink_disconnect_phy() - disconnect any PHY attached to the phylink
2064 phy = pl->phydev; in phylink_disconnect_phy()
2066 mutex_lock(&phy->lock); in phylink_disconnect_phy()
2067 mutex_lock(&pl->state_mutex); in phylink_disconnect_phy()
2068 pl->phydev = NULL; in phylink_disconnect_phy()
2069 mutex_unlock(&pl->state_mutex); in phylink_disconnect_phy()
2070 mutex_unlock(&phy->lock); in phylink_disconnect_phy()
2071 flush_work(&pl->resolve); in phylink_disconnect_phy()
2081 pl->mac_link_dropped = true; in phylink_link_changed()
2087 * phylink_mac_change() - notify phylink of a change in MAC state
2101 * phylink_pcs_change() - notify phylink of a change to PCS link state
2109 * the latched link-down state, otherwise pass false.
2113 struct phylink *pl = pcs->phylink; in phylink_pcs_change()
2130 * phylink_start() - start a phylink instance
2144 phylink_an_mode_str(pl->cur_link_an_mode), in phylink_start()
2145 phy_modes(pl->link_config.interface)); in phylink_start()
2148 if (pl->netdev) in phylink_start()
2149 netif_carrier_off(pl->netdev); in phylink_start()
2151 pl->pcs_state = PCS_STATE_STARTING; in phylink_start()
2154 * a fixed-link to start with the correct parameters, and also in phylink_start()
2163 pl->pcs_state = PCS_STATE_STARTED; in phylink_start()
2167 if (pl->cfg_link_an_mode == MLO_AN_FIXED && pl->link_gpio) { in phylink_start()
2168 int irq = gpiod_to_irq(pl->link_gpio); in phylink_start()
2175 pl->link_irq = irq; in phylink_start()
2183 if (pl->cfg_link_an_mode == MLO_AN_FIXED) in phylink_start()
2184 poll |= pl->config->poll_fixed_state; in phylink_start()
2187 mod_timer(&pl->link_poll, jiffies + HZ); in phylink_start()
2188 if (pl->phydev) in phylink_start()
2189 phy_start(pl->phydev); in phylink_start()
2190 if (pl->sfp_bus) in phylink_start()
2191 sfp_upstream_start(pl->sfp_bus); in phylink_start()
2196 * phylink_stop() - stop a phylink instance
2211 if (pl->sfp_bus) in phylink_stop()
2212 sfp_upstream_stop(pl->sfp_bus); in phylink_stop()
2213 if (pl->phydev) in phylink_stop()
2214 phy_stop(pl->phydev); in phylink_stop()
2215 del_timer_sync(&pl->link_poll); in phylink_stop()
2216 if (pl->link_irq) { in phylink_stop()
2217 free_irq(pl->link_irq, pl); in phylink_stop()
2218 pl->link_irq = 0; in phylink_stop()
2223 pl->pcs_state = PCS_STATE_DOWN; in phylink_stop()
2225 phylink_pcs_disable(pl->pcs); in phylink_stop()
2230 * phylink_suspend() - handle a network device suspend event
2232 * @mac_wol: true if the MAC needs to receive packets for Wake-on-Lan
2236 * - If Wake-on-Lan is not active, we can bring down the link between
2238 * - If Wake-on-Lan is active, and being handled only by the PHY, we
2240 * - If Wake-on-Lan is active, but being handled by the MAC, the MAC
2247 if (mac_wol && (!pl->netdev || pl->netdev->wol_enabled)) { in phylink_suspend()
2248 /* Wake-on-Lan enabled, MAC handling */ in phylink_suspend()
2249 mutex_lock(&pl->state_mutex); in phylink_suspend()
2252 __set_bit(PHYLINK_DISABLE_MAC_WOL, &pl->phylink_disable_state); in phylink_suspend()
2258 if (pl->netdev) in phylink_suspend()
2259 netif_carrier_off(pl->netdev); in phylink_suspend()
2261 pl->old_link_state = false; in phylink_suspend()
2266 mutex_unlock(&pl->state_mutex); in phylink_suspend()
2274 * phylink_resume() - handle a network device resume event
2284 if (test_bit(PHYLINK_DISABLE_MAC_WOL, &pl->phylink_disable_state)) { in phylink_resume()
2285 /* Wake-on-Lan enabled, MAC handling */ in phylink_resume()
2290 * resume, which is harmless - the true link state will be in phylink_resume()
2293 mutex_lock(&pl->state_mutex); in phylink_resume()
2295 mutex_unlock(&pl->state_mutex); in phylink_resume()
2297 /* Re-apply the link parameters so that all the settings get in phylink_resume()
2302 /* Re-enable and re-resolve the link parameters */ in phylink_resume()
2311 * phylink_ethtool_get_wol() - get the wake on lan parameters for the PHY
2323 wol->supported = 0; in phylink_ethtool_get_wol()
2324 wol->wolopts = 0; in phylink_ethtool_get_wol()
2326 if (pl->phydev) in phylink_ethtool_get_wol()
2327 phy_ethtool_get_wol(pl->phydev, wol); in phylink_ethtool_get_wol()
2332 * phylink_ethtool_set_wol() - set wake on lan parameters
2344 int ret = -EOPNOTSUPP; in phylink_ethtool_set_wol()
2348 if (pl->phydev) in phylink_ethtool_set_wol()
2349 ret = phy_ethtool_set_wol(pl->phydev, wol); in phylink_ethtool_set_wol()
2369 phylink_merge_link_mode(kset->link_modes.advertising, state->advertising); in phylink_get_ksettings()
2370 linkmode_copy(kset->link_modes.lp_advertising, state->lp_advertising); in phylink_get_ksettings()
2371 if (kset->base.rate_matching == RATE_MATCH_NONE) { in phylink_get_ksettings()
2372 kset->base.speed = state->speed; in phylink_get_ksettings()
2373 kset->base.duplex = state->duplex; in phylink_get_ksettings()
2375 kset->base.autoneg = linkmode_test_bit(ETHTOOL_LINK_MODE_Autoneg_BIT, in phylink_get_ksettings()
2376 state->advertising) ? in phylink_get_ksettings()
2381 * phylink_ethtool_ksettings_get() - get the current link settings
2396 if (pl->phydev) in phylink_ethtool_ksettings_get()
2397 phy_ethtool_ksettings_get(pl->phydev, kset); in phylink_ethtool_ksettings_get()
2399 kset->base.port = pl->link_port; in phylink_ethtool_ksettings_get()
2401 linkmode_copy(kset->link_modes.supported, pl->supported); in phylink_ethtool_ksettings_get()
2403 switch (pl->cur_link_an_mode) { in phylink_ethtool_ksettings_get()
2406 * current link settings - and note that these also in phylink_ethtool_ksettings_get()
2407 * represent the supported speeds/duplex/pause modes. in phylink_ethtool_ksettings_get()
2417 if (pl->phydev) in phylink_ethtool_ksettings_get()
2423 * layer via in-band status. Report these as the current in phylink_ethtool_ksettings_get()
2435 * phylink_ethtool_ksettings_set() - set the link settings
2448 if (pl->phydev) { in phylink_ethtool_ksettings_set()
2453 pl->supported); in phylink_ethtool_ksettings_set()
2456 * to update the pl->link_config settings: in phylink_ethtool_ksettings_set()
2457 * - the configuration returned via ksettings_get() will come in phylink_ethtool_ksettings_set()
2459 * - link_config.interface will be updated by the PHY calling in phylink_ethtool_ksettings_set()
2461 * - initial link configuration for PHY mode comes from the in phylink_ethtool_ksettings_set()
2463 * - other configuration changes (e.g. pause modes) are in phylink_ethtool_ksettings_set()
2465 * - if in in-band mode with a PHY, the link configuration in phylink_ethtool_ksettings_set()
2467 * link_config.{speed,duplex,an_enabled,pause} are not used. in phylink_ethtool_ksettings_set()
2468 * - the only possible use would be link_config.advertising in phylink_ethtool_ksettings_set()
2469 * pause modes when in 1000base-X mode with a PHY, but in in phylink_ethtool_ksettings_set()
2473 return phy_ethtool_ksettings_set(pl->phydev, &phy_kset); in phylink_ethtool_ksettings_set()
2476 config = pl->link_config; in phylink_ethtool_ksettings_set()
2478 linkmode_and(config.advertising, kset->link_modes.advertising, in phylink_ethtool_ksettings_set()
2479 pl->supported); in phylink_ethtool_ksettings_set()
2482 switch (kset->base.autoneg) { in phylink_ethtool_ksettings_set()
2487 s = phy_lookup_setting(kset->base.speed, kset->base.duplex, in phylink_ethtool_ksettings_set()
2488 pl->supported, false); in phylink_ethtool_ksettings_set()
2490 return -EINVAL; in phylink_ethtool_ksettings_set()
2495 if (pl->cur_link_an_mode == MLO_AN_FIXED) { in phylink_ethtool_ksettings_set()
2496 if (s->speed != pl->link_config.speed || in phylink_ethtool_ksettings_set()
2497 s->duplex != pl->link_config.duplex) in phylink_ethtool_ksettings_set()
2498 return -EINVAL; in phylink_ethtool_ksettings_set()
2502 config.speed = s->speed; in phylink_ethtool_ksettings_set()
2503 config.duplex = s->duplex; in phylink_ethtool_ksettings_set()
2511 if (pl->cur_link_an_mode == MLO_AN_FIXED) { in phylink_ethtool_ksettings_set()
2513 pl->link_config.advertising)) in phylink_ethtool_ksettings_set()
2514 return -EINVAL; in phylink_ethtool_ksettings_set()
2523 return -EINVAL; in phylink_ethtool_ksettings_set()
2527 * fixed-link cases. All that is left are in-band links. in phylink_ethtool_ksettings_set()
2530 kset->base.autoneg == AUTONEG_ENABLE); in phylink_ethtool_ksettings_set()
2536 if (pl->sfp_bus) { in phylink_ethtool_ksettings_set()
2537 config.interface = sfp_select_interface(pl->sfp_bus, in phylink_ethtool_ksettings_set()
2544 return -EINVAL; in phylink_ethtool_ksettings_set()
2548 linkmode_copy(support, pl->supported); in phylink_ethtool_ksettings_set()
2551 phylink_an_mode_str(pl->cur_link_an_mode), in phylink_ethtool_ksettings_set()
2554 return -EINVAL; in phylink_ethtool_ksettings_set()
2558 linkmode_copy(support, pl->supported); in phylink_ethtool_ksettings_set()
2560 return -EINVAL; in phylink_ethtool_ksettings_set()
2567 return -EINVAL; in phylink_ethtool_ksettings_set()
2569 mutex_lock(&pl->state_mutex); in phylink_ethtool_ksettings_set()
2570 pl->link_config.speed = config.speed; in phylink_ethtool_ksettings_set()
2571 pl->link_config.duplex = config.duplex; in phylink_ethtool_ksettings_set()
2573 if (pl->link_config.interface != config.interface) { in phylink_ethtool_ksettings_set()
2574 /* The interface changed, e.g. 1000base-X <-> 2500base-X */ in phylink_ethtool_ksettings_set()
2576 if (pl->old_link_state) { in phylink_ethtool_ksettings_set()
2578 pl->old_link_state = false; in phylink_ethtool_ksettings_set()
2581 &pl->phylink_disable_state)) in phylink_ethtool_ksettings_set()
2583 pl->link_config.interface = config.interface; in phylink_ethtool_ksettings_set()
2584 linkmode_copy(pl->link_config.advertising, config.advertising); in phylink_ethtool_ksettings_set()
2585 } else if (!linkmode_equal(pl->link_config.advertising, in phylink_ethtool_ksettings_set()
2587 linkmode_copy(pl->link_config.advertising, config.advertising); in phylink_ethtool_ksettings_set()
2590 mutex_unlock(&pl->state_mutex); in phylink_ethtool_ksettings_set()
2597 * phylink_ethtool_nway_reset() - restart negotiation
2613 if (pl->phydev) in phylink_ethtool_nway_reset()
2614 ret = phy_restart_aneg(pl->phydev); in phylink_ethtool_nway_reset()
2622 * phylink_ethtool_get_pauseparam() - get the current pause parameters
2624 * @pause: a pointer to a &struct ethtool_pauseparam
2627 struct ethtool_pauseparam *pause) in phylink_ethtool_get_pauseparam() argument
2631 pause->autoneg = !!(pl->link_config.pause & MLO_PAUSE_AN); in phylink_ethtool_get_pauseparam()
2632 pause->rx_pause = !!(pl->link_config.pause & MLO_PAUSE_RX); in phylink_ethtool_get_pauseparam()
2633 pause->tx_pause = !!(pl->link_config.pause & MLO_PAUSE_TX); in phylink_ethtool_get_pauseparam()
2638 * phylink_ethtool_set_pauseparam() - set the current pause parameters
2640 * @pause: a pointer to a &struct ethtool_pauseparam
2643 struct ethtool_pauseparam *pause) in phylink_ethtool_set_pauseparam() argument
2645 struct phylink_link_state *config = &pl->link_config; in phylink_ethtool_set_pauseparam()
2651 if (pl->cur_link_an_mode == MLO_AN_FIXED) in phylink_ethtool_set_pauseparam()
2652 return -EOPNOTSUPP; in phylink_ethtool_set_pauseparam()
2654 if (!phylink_test(pl->supported, Pause) && in phylink_ethtool_set_pauseparam()
2655 !phylink_test(pl->supported, Asym_Pause)) in phylink_ethtool_set_pauseparam()
2656 return -EOPNOTSUPP; in phylink_ethtool_set_pauseparam()
2658 if (!phylink_test(pl->supported, Asym_Pause) && in phylink_ethtool_set_pauseparam()
2659 pause->rx_pause != pause->tx_pause) in phylink_ethtool_set_pauseparam()
2660 return -EINVAL; in phylink_ethtool_set_pauseparam()
2663 if (pause->autoneg) in phylink_ethtool_set_pauseparam()
2665 if (pause->rx_pause) in phylink_ethtool_set_pauseparam()
2667 if (pause->tx_pause) in phylink_ethtool_set_pauseparam()
2670 mutex_lock(&pl->state_mutex); in phylink_ethtool_set_pauseparam()
2676 * rx tx Pause AsymDir in phylink_ethtool_set_pauseparam()
2682 * rx/tx pause resolution. in phylink_ethtool_set_pauseparam()
2684 linkmode_set_pause(config->advertising, pause->tx_pause, in phylink_ethtool_set_pauseparam()
2685 pause->rx_pause); in phylink_ethtool_set_pauseparam()
2687 manual_changed = (config->pause ^ pause_state) & MLO_PAUSE_AN || in phylink_ethtool_set_pauseparam()
2689 (config->pause ^ pause_state) & MLO_PAUSE_TXRX_MASK); in phylink_ethtool_set_pauseparam()
2691 config->pause = pause_state; in phylink_ethtool_set_pauseparam()
2693 /* Update our in-band advertisement, triggering a renegotiation if in phylink_ethtool_set_pauseparam()
2696 if (!pl->phydev) in phylink_ethtool_set_pauseparam()
2699 mutex_unlock(&pl->state_mutex); in phylink_ethtool_set_pauseparam()
2701 /* If we have a PHY, a change of the pause frame advertisement will in phylink_ethtool_set_pauseparam()
2706 if (pl->phydev) in phylink_ethtool_set_pauseparam()
2707 phy_set_asym_pause(pl->phydev, pause->rx_pause, in phylink_ethtool_set_pauseparam()
2708 pause->tx_pause); in phylink_ethtool_set_pauseparam()
2710 /* If the manual pause settings changed, make sure we trigger a in phylink_ethtool_set_pauseparam()
2715 pl->mac_link_dropped = true; in phylink_ethtool_set_pauseparam()
2724 * phylink_get_eee_err() - read the energy efficient ethernet error
2739 if (pl->phydev) in phylink_get_eee_err()
2740 ret = phy_get_eee_err(pl->phydev); in phylink_get_eee_err()
2747 * phylink_init_eee() - init and check the EEE features
2755 int ret = -EOPNOTSUPP; in phylink_init_eee()
2757 if (pl->phydev) in phylink_init_eee()
2758 ret = phy_init_eee(pl->phydev, clk_stop_enable); in phylink_init_eee()
2765 * phylink_ethtool_get_eee() - read the energy efficient ethernet parameters
2771 int ret = -EOPNOTSUPP; in phylink_ethtool_get_eee()
2775 if (pl->phydev) in phylink_ethtool_get_eee()
2776 ret = phy_ethtool_get_eee(pl->phydev, eee); in phylink_ethtool_get_eee()
2783 * phylink_ethtool_set_eee() - set the energy efficient ethernet parameters
2789 int ret = -EOPNOTSUPP; in phylink_ethtool_set_eee()
2793 if (pl->phydev) in phylink_ethtool_set_eee()
2794 ret = phy_ethtool_set_eee(pl->phydev, eee); in phylink_ethtool_set_eee()
2800 /* This emulates MII registers for a fixed-mode phy operating as per the
2809 unsigned long *lpa = state->lp_advertising; in phylink_mii_emul_read()
2812 fs.link = state->link; in phylink_mii_emul_read()
2813 fs.speed = state->speed; in phylink_mii_emul_read()
2814 fs.duplex = state->duplex; in phylink_mii_emul_read()
2815 fs.pause = test_bit(ETHTOOL_LINK_MODE_Pause_BIT, lpa); in phylink_mii_emul_read()
2820 if (!state->an_complete) in phylink_mii_emul_read()
2829 struct phy_device *phydev = pl->phydev; in phylink_phy_read()
2835 return mdiobus_c45_read(pl->phydev->mdio.bus, prtad, devad, in phylink_phy_read()
2839 if (phydev->is_c45) { in phylink_phy_read()
2845 devad = __ffs(phydev->c45_ids.mmds_present); in phylink_phy_read()
2849 if (!(phydev->c45_ids.mmds_present & MDIO_DEVS_AN)) in phylink_phy_read()
2850 return -EINVAL; in phylink_phy_read()
2858 return -EINVAL; in phylink_phy_read()
2861 return mdiobus_c45_read(pl->phydev->mdio.bus, prtad, devad, in phylink_phy_read()
2865 return mdiobus_read(pl->phydev->mdio.bus, phy_id, reg); in phylink_phy_read()
2871 struct phy_device *phydev = pl->phydev; in phylink_phy_write()
2877 return mdiobus_c45_write(pl->phydev->mdio.bus, prtad, devad, in phylink_phy_write()
2881 if (phydev->is_c45) { in phylink_phy_write()
2887 devad = __ffs(phydev->c45_ids.mmds_present); in phylink_phy_write()
2891 if (!(phydev->c45_ids.mmds_present & MDIO_DEVS_AN)) in phylink_phy_write()
2892 return -EINVAL; in phylink_phy_write()
2900 return -EINVAL; in phylink_phy_write()
2902 return mdiobus_c45_write(pl->phydev->mdio.bus, phy_id, devad, in phylink_phy_write()
2906 return mdiobus_write(phydev->mdio.bus, phy_id, reg, val); in phylink_phy_write()
2915 switch (pl->cur_link_an_mode) { in phylink_mii_read()
2924 return -EOPNOTSUPP; in phylink_mii_read()
2940 switch (pl->cur_link_an_mode) { in phylink_mii_write()
2945 return -EOPNOTSUPP; in phylink_mii_write()
2955 * phylink_mii_ioctl() - generic mii ioctl interface
2979 if (pl->phydev) { in phylink_mii_ioctl()
2983 mii->phy_id = pl->phydev->mdio.addr; in phylink_mii_ioctl()
2987 ret = phylink_phy_read(pl, mii->phy_id, mii->reg_num); in phylink_mii_ioctl()
2989 mii->val_out = ret; in phylink_mii_ioctl()
2995 ret = phylink_phy_write(pl, mii->phy_id, mii->reg_num, in phylink_mii_ioctl()
2996 mii->val_in); in phylink_mii_ioctl()
3000 ret = phy_mii_ioctl(pl->phydev, ifr, cmd); in phylink_mii_ioctl()
3006 mii->phy_id = 0; in phylink_mii_ioctl()
3010 ret = phylink_mii_read(pl, mii->phy_id, mii->reg_num); in phylink_mii_ioctl()
3012 mii->val_out = ret; in phylink_mii_ioctl()
3018 ret = phylink_mii_write(pl, mii->phy_id, mii->reg_num, in phylink_mii_ioctl()
3019 mii->val_in); in phylink_mii_ioctl()
3023 ret = -EOPNOTSUPP; in phylink_mii_ioctl()
3033 * phylink_speed_down() - set the non-SFP PHY to lowest speed supported by both
3050 if (!pl->sfp_bus && pl->phydev) in phylink_speed_down()
3051 ret = phy_speed_down(pl->phydev, sync); in phylink_speed_down()
3058 * phylink_speed_up() - restore the advertised speeds prior to the call to
3073 if (!pl->sfp_bus && pl->phydev) in phylink_speed_up()
3074 ret = phy_speed_up(pl->phydev); in phylink_speed_up()
3084 pl->netdev->sfp_bus = bus; in phylink_sfp_attach()
3091 pl->netdev->sfp_bus = NULL; in phylink_sfp_detach()
3117 phylink_an_mode_str(mode), phy_modes(state->interface), in phylink_sfp_set_config()
3120 if (!linkmode_equal(pl->supported, supported)) { in phylink_sfp_set_config()
3121 linkmode_copy(pl->supported, supported); in phylink_sfp_set_config()
3125 if (!linkmode_equal(pl->link_config.advertising, state->advertising)) { in phylink_sfp_set_config()
3126 linkmode_copy(pl->link_config.advertising, state->advertising); in phylink_sfp_set_config()
3130 if (pl->cur_link_an_mode != mode || in phylink_sfp_set_config()
3131 pl->link_config.interface != state->interface) { in phylink_sfp_set_config()
3132 pl->cur_link_an_mode = mode; in phylink_sfp_set_config()
3133 pl->link_config.interface = state->interface; in phylink_sfp_set_config()
3139 phy_modes(state->interface)); in phylink_sfp_set_config()
3143 &pl->phylink_disable_state)) in phylink_sfp_set_config()
3156 linkmode_copy(support, phy->supported); in phylink_sfp_config_phy()
3159 linkmode_copy(config.advertising, phy->advertising); in phylink_sfp_config_phy()
3163 config.pause = MLO_PAUSE_AN; in phylink_sfp_config_phy()
3174 iface = sfp_select_interface(pl->sfp_bus, config.advertising); in phylink_sfp_config_phy()
3179 return -EINVAL; in phylink_sfp_config_phy()
3195 pl->link_port = pl->sfp_port; in phylink_sfp_config_phy()
3212 pl->config->supported_interfaces, in phylink_sfp_config_optical()
3214 pl->sfp_interfaces); in phylink_sfp_config_optical()
3219 phy_interface_and(interfaces, pl->config->supported_interfaces, in phylink_sfp_config_optical()
3220 pl->sfp_interfaces); in phylink_sfp_config_optical()
3223 return -EINVAL; in phylink_sfp_config_optical()
3227 linkmode_copy(support, pl->sfp_support); in phylink_sfp_config_optical()
3228 linkmode_copy(config.advertising, pl->sfp_support); in phylink_sfp_config_optical()
3231 config.pause = MLO_PAUSE_AN; in phylink_sfp_config_optical()
3236 ret = phylink_validate_mask(pl, NULL, pl->sfp_support, &config, in phylink_sfp_config_optical()
3247 return -EINVAL; in phylink_sfp_config_optical()
3264 pl->link_port = pl->sfp_port; in phylink_sfp_config_optical()
3266 phylink_sfp_set_config(pl, MLO_AN_INBAND, pl->sfp_support, &config); in phylink_sfp_config_optical()
3278 linkmode_zero(pl->sfp_support); in phylink_sfp_module_insert()
3279 phy_interface_zero(pl->sfp_interfaces); in phylink_sfp_module_insert()
3280 sfp_parse_support(pl->sfp_bus, id, pl->sfp_support, pl->sfp_interfaces); in phylink_sfp_module_insert()
3281 pl->sfp_port = sfp_parse_port(pl->sfp_bus, id, pl->sfp_support); in phylink_sfp_module_insert()
3284 pl->sfp_may_have_phy = sfp_may_have_phy(pl->sfp_bus, id); in phylink_sfp_module_insert()
3285 if (pl->sfp_may_have_phy) in phylink_sfp_module_insert()
3296 if (pl->phydev) { in phylink_sfp_module_start()
3297 phy_start(pl->phydev); in phylink_sfp_module_start()
3304 if (!pl->sfp_may_have_phy) in phylink_sfp_module_start()
3315 if (pl->phydev) in phylink_sfp_module_stop()
3316 phy_stop(pl->phydev); in phylink_sfp_module_stop()
3342 return phy->is_c45 && phy_id_compare(phy->c45_ids.device_ids[1], in phylink_phy_no_inband()
3356 * phy drivers should not set SUPPORTED_[Asym_]Pause") except in phylink_sfp_connect_phy()
3368 phy_interface_and(phy->host_interfaces, phylink_sfp_interfaces, in phylink_sfp_connect_phy()
3369 pl->config->supported_interfaces); in phylink_sfp_connect_phy()
3376 interface = pl->link_config.interface; in phylink_sfp_connect_phy()
3413 /* 100GBASE-KP4 and 100GBASE-CR10 not supported */
3418 /* 5GBASE-KR not supported */
3429 if (linkmode_test_bit(bit, state->advertising) && in phylink_resolve_c73()
3430 linkmode_test_bit(bit, state->lp_advertising)) in phylink_resolve_c73()
3435 state->speed = phylink_c73_priority_resolution[i].speed; in phylink_resolve_c73()
3436 state->duplex = DUPLEX_FULL; in phylink_resolve_c73()
3439 state->link = false; in phylink_resolve_c73()
3456 mii_lpa_mod_linkmode_x(state->lp_advertising, config_reg, fd_bit); in phylink_decode_c37_word()
3458 if (linkmode_test_bit(fd_bit, state->advertising) && in phylink_decode_c37_word()
3459 linkmode_test_bit(fd_bit, state->lp_advertising)) { in phylink_decode_c37_word()
3460 state->speed = speed; in phylink_decode_c37_word()
3461 state->duplex = DUPLEX_FULL; in phylink_decode_c37_word()
3464 state->link = false; in phylink_decode_c37_word()
3474 state->link = false; in phylink_decode_sgmii_word()
3480 state->speed = SPEED_10; in phylink_decode_sgmii_word()
3483 state->speed = SPEED_100; in phylink_decode_sgmii_word()
3486 state->speed = SPEED_1000; in phylink_decode_sgmii_word()
3489 state->link = false; in phylink_decode_sgmii_word()
3493 state->duplex = DUPLEX_FULL; in phylink_decode_sgmii_word()
3495 state->duplex = DUPLEX_HALF; in phylink_decode_sgmii_word()
3499 * phylink_decode_usxgmii_word() - decode the USXGMII word from a MAC PCS
3501 * @lpa: a 16 bit value which stores the USXGMII auto-negotiation word
3503 * Helper for MAC PCS supporting the USXGMII protocol and the auto-negotiation
3512 state->speed = SPEED_10; in phylink_decode_usxgmii_word()
3515 state->speed = SPEED_100; in phylink_decode_usxgmii_word()
3518 state->speed = SPEED_1000; in phylink_decode_usxgmii_word()
3521 state->speed = SPEED_2500; in phylink_decode_usxgmii_word()
3524 state->speed = SPEED_5000; in phylink_decode_usxgmii_word()
3527 state->speed = SPEED_10000; in phylink_decode_usxgmii_word()
3530 state->link = false; in phylink_decode_usxgmii_word()
3535 state->duplex = DUPLEX_FULL; in phylink_decode_usxgmii_word()
3537 state->duplex = DUPLEX_HALF; in phylink_decode_usxgmii_word()
3542 * phylink_decode_usgmii_word() - decode the USGMII word from a MAC PCS
3544 * @lpa: a 16 bit value which stores the USGMII auto-negotiation word
3546 * Helper for MAC PCS supporting the USGMII protocol and the auto-negotiation
3557 state->speed = SPEED_10; in phylink_decode_usgmii_word()
3560 state->speed = SPEED_100; in phylink_decode_usgmii_word()
3563 state->speed = SPEED_1000; in phylink_decode_usgmii_word()
3566 state->link = false; in phylink_decode_usgmii_word()
3571 state->duplex = DUPLEX_FULL; in phylink_decode_usgmii_word()
3573 state->duplex = DUPLEX_HALF; in phylink_decode_usgmii_word()
3577 * phylink_mii_c22_pcs_decode_state() - Decode MAC PCS state from MII registers
3593 state->link = !!(bmsr & BMSR_LSTATUS); in phylink_mii_c22_pcs_decode_state()
3594 state->an_complete = !!(bmsr & BMSR_ANEGCOMPLETE); in phylink_mii_c22_pcs_decode_state()
3598 if (!state->link || !linkmode_test_bit(ETHTOOL_LINK_MODE_Autoneg_BIT, in phylink_mii_c22_pcs_decode_state()
3599 state->advertising)) in phylink_mii_c22_pcs_decode_state()
3602 switch (state->interface) { in phylink_mii_c22_pcs_decode_state()
3620 state->link = false; in phylink_mii_c22_pcs_decode_state()
3627 * phylink_mii_c22_pcs_get_state() - read the MAC PCS state
3648 state->link = false; in phylink_mii_c22_pcs_get_state()
3657 * phylink_mii_c22_pcs_encode_advertisement() - configure the clause 37 PCS
3668 * Return: The new value for @adv, or ``-EINVAL`` if it should not be changed.
3691 return -EINVAL; in phylink_mii_c22_pcs_encode_advertisement()
3697 * phylink_mii_c22_pcs_config() - configure clause 22 PCS
3719 ret = mdiobus_modify_changed(pcs->bus, pcs->addr, in phylink_mii_c22_pcs_config()
3741 * phylink_mii_c22_pcs_an_restart() - restart 802.3z autonegotiation
3766 struct mii_bus *bus = pcs->bus; in phylink_mii_c45_pcs_get_state()
3767 int addr = pcs->addr; in phylink_mii_c45_pcs_get_state()
3772 state->link = false; in phylink_mii_c45_pcs_get_state()
3776 state->link = !!(stat & MDIO_STAT1_LSTATUS); in phylink_mii_c45_pcs_get_state()
3777 if (!state->link) in phylink_mii_c45_pcs_get_state()
3780 switch (state->interface) { in phylink_mii_c45_pcs_get_state()
3782 state->speed = SPEED_10000; in phylink_mii_c45_pcs_get_state()
3783 state->duplex = DUPLEX_FULL; in phylink_mii_c45_pcs_get_state()