Lines Matching +full:fixed +full:- +full:link
1 // SPDX-License-Identifier: GPL-2.0
4 * technologies such as SFP cages where the PHY is hot-pluggable.
38 * struct phylink - internal data type for phylink
55 u8 link_port; /* The current non-phy ethtool port */
58 /* The link configuration settings */
84 if ((pl)->config->type == PHYLINK_NETDEV) \
85 netdev_printk(level, (pl)->netdev, fmt, ##__VA_ARGS__); \
86 else if ((pl)->config->type == PHYLINK_DEV) \
87 dev_printk(level, (pl)->dev, fmt, ##__VA_ARGS__); \
99 if ((pl)->config->type == PHYLINK_NETDEV) \
100 netdev_dbg((pl)->netdev, fmt, ##__VA_ARGS__); \
101 else if ((pl)->config->type == PHYLINK_DEV) \
102 dev_dbg((pl)->dev, fmt, ##__VA_ARGS__); \
116 * phylink_set_port_modes() - set the port type modes in the ethtool mask
117 * @mask: ethtool link mode mask
149 [MLO_AN_FIXED] = "fixed", in phylink_an_mode_str()
159 pl->mac_ops->validate(pl->config, supported, state); in phylink_validate()
161 return phylink_is_empty_linkmode(supported) ? -EINVAL : 0; in phylink_validate()
173 fixed_node = fwnode_get_named_child_node(fwnode, "fixed-link"); in phylink_parse_fixedlink()
177 pl->link_config.speed = speed; in phylink_parse_fixedlink()
178 pl->link_config.duplex = DUPLEX_HALF; in phylink_parse_fixedlink()
180 if (fwnode_property_read_bool(fixed_node, "full-duplex")) in phylink_parse_fixedlink()
181 pl->link_config.duplex = DUPLEX_FULL; in phylink_parse_fixedlink()
183 /* We treat the "pause" and "asym-pause" terminology as in phylink_parse_fixedlink()
184 * defining the link partner's ability. */ in phylink_parse_fixedlink()
187 pl->link_config.lp_advertising); in phylink_parse_fixedlink()
188 if (fwnode_property_read_bool(fixed_node, "asym-pause")) in phylink_parse_fixedlink()
190 pl->link_config.lp_advertising); in phylink_parse_fixedlink()
193 desc = fwnode_gpiod_get_index(fixed_node, "link", 0, in phylink_parse_fixedlink()
197 pl->link_gpio = desc; in phylink_parse_fixedlink()
198 else if (desc == ERR_PTR(-EPROBE_DEFER)) in phylink_parse_fixedlink()
199 ret = -EPROBE_DEFER; in phylink_parse_fixedlink()
208 ret = fwnode_property_read_u32_array(fwnode, "fixed-link", in phylink_parse_fixedlink()
211 phylink_err(pl, "broken fixed-link?\n"); in phylink_parse_fixedlink()
212 return -EINVAL; in phylink_parse_fixedlink()
215 ret = fwnode_property_read_u32_array(fwnode, "fixed-link", in phylink_parse_fixedlink()
218 pl->link_config.duplex = prop[1] ? in phylink_parse_fixedlink()
220 pl->link_config.speed = prop[2]; in phylink_parse_fixedlink()
223 pl->link_config.lp_advertising); in phylink_parse_fixedlink()
226 pl->link_config.lp_advertising); in phylink_parse_fixedlink()
230 if (pl->link_config.speed > SPEED_1000 && in phylink_parse_fixedlink()
231 pl->link_config.duplex != DUPLEX_FULL) in phylink_parse_fixedlink()
232 phylink_warn(pl, "fixed link specifies half duplex for %dMbps link?\n", in phylink_parse_fixedlink()
233 pl->link_config.speed); in phylink_parse_fixedlink()
235 bitmap_fill(pl->supported, __ETHTOOL_LINK_MODE_MASK_NBITS); in phylink_parse_fixedlink()
236 linkmode_copy(pl->link_config.advertising, pl->supported); in phylink_parse_fixedlink()
237 phylink_validate(pl, pl->supported, &pl->link_config); in phylink_parse_fixedlink()
239 s = phy_lookup_setting(pl->link_config.speed, pl->link_config.duplex, in phylink_parse_fixedlink()
240 pl->supported, true); in phylink_parse_fixedlink()
241 linkmode_zero(pl->supported); in phylink_parse_fixedlink()
242 phylink_set(pl->supported, MII); in phylink_parse_fixedlink()
243 phylink_set(pl->supported, Pause); in phylink_parse_fixedlink()
244 phylink_set(pl->supported, Asym_Pause); in phylink_parse_fixedlink()
245 phylink_set(pl->supported, Autoneg); in phylink_parse_fixedlink()
247 __set_bit(s->bit, pl->supported); in phylink_parse_fixedlink()
248 __set_bit(s->bit, pl->link_config.lp_advertising); in phylink_parse_fixedlink()
250 phylink_warn(pl, "fixed link %s duplex %dMbps not recognised\n", in phylink_parse_fixedlink()
251 pl->link_config.duplex == DUPLEX_FULL ? "full" : "half", in phylink_parse_fixedlink()
252 pl->link_config.speed); in phylink_parse_fixedlink()
255 linkmode_and(pl->link_config.advertising, pl->link_config.advertising, in phylink_parse_fixedlink()
256 pl->supported); in phylink_parse_fixedlink()
258 pl->link_config.link = 1; in phylink_parse_fixedlink()
259 pl->link_config.an_complete = 1; in phylink_parse_fixedlink()
269 dn = fwnode_get_named_child_node(fwnode, "fixed-link"); in phylink_parse_mode()
270 if (dn || fwnode_property_present(fwnode, "fixed-link")) in phylink_parse_mode()
271 pl->cfg_link_an_mode = MLO_AN_FIXED; in phylink_parse_mode()
275 strcmp(managed, "in-band-status") == 0) { in phylink_parse_mode()
276 if (pl->cfg_link_an_mode == MLO_AN_FIXED) { in phylink_parse_mode()
278 "can't use both fixed-link and in-band-status\n"); in phylink_parse_mode()
279 return -EINVAL; in phylink_parse_mode()
282 linkmode_zero(pl->supported); in phylink_parse_mode()
283 phylink_set(pl->supported, MII); in phylink_parse_mode()
284 phylink_set(pl->supported, Autoneg); in phylink_parse_mode()
285 phylink_set(pl->supported, Asym_Pause); in phylink_parse_mode()
286 phylink_set(pl->supported, Pause); in phylink_parse_mode()
287 pl->link_config.an_enabled = true; in phylink_parse_mode()
288 pl->cfg_link_an_mode = MLO_AN_INBAND; in phylink_parse_mode()
290 switch (pl->link_config.interface) { in phylink_parse_mode()
293 phylink_set(pl->supported, 10baseT_Half); in phylink_parse_mode()
294 phylink_set(pl->supported, 10baseT_Full); in phylink_parse_mode()
295 phylink_set(pl->supported, 100baseT_Half); in phylink_parse_mode()
296 phylink_set(pl->supported, 100baseT_Full); in phylink_parse_mode()
297 phylink_set(pl->supported, 1000baseT_Half); in phylink_parse_mode()
298 phylink_set(pl->supported, 1000baseT_Full); in phylink_parse_mode()
302 phylink_set(pl->supported, 1000baseX_Full); in phylink_parse_mode()
306 phylink_set(pl->supported, 2500baseX_Full); in phylink_parse_mode()
312 phylink_set(pl->supported, 10baseT_Half); in phylink_parse_mode()
313 phylink_set(pl->supported, 10baseT_Full); in phylink_parse_mode()
314 phylink_set(pl->supported, 100baseT_Half); in phylink_parse_mode()
315 phylink_set(pl->supported, 100baseT_Full); in phylink_parse_mode()
316 phylink_set(pl->supported, 1000baseT_Half); in phylink_parse_mode()
317 phylink_set(pl->supported, 1000baseT_Full); in phylink_parse_mode()
318 phylink_set(pl->supported, 1000baseX_Full); in phylink_parse_mode()
319 phylink_set(pl->supported, 1000baseKX_Full); in phylink_parse_mode()
320 phylink_set(pl->supported, 2500baseT_Full); in phylink_parse_mode()
321 phylink_set(pl->supported, 2500baseX_Full); in phylink_parse_mode()
322 phylink_set(pl->supported, 5000baseT_Full); in phylink_parse_mode()
323 phylink_set(pl->supported, 10000baseT_Full); in phylink_parse_mode()
324 phylink_set(pl->supported, 10000baseKR_Full); in phylink_parse_mode()
325 phylink_set(pl->supported, 10000baseKX4_Full); in phylink_parse_mode()
326 phylink_set(pl->supported, 10000baseCR_Full); in phylink_parse_mode()
327 phylink_set(pl->supported, 10000baseSR_Full); in phylink_parse_mode()
328 phylink_set(pl->supported, 10000baseLR_Full); in phylink_parse_mode()
329 phylink_set(pl->supported, 10000baseLRM_Full); in phylink_parse_mode()
330 phylink_set(pl->supported, 10000baseER_Full); in phylink_parse_mode()
334 phylink_set(pl->supported, 25000baseCR_Full); in phylink_parse_mode()
335 phylink_set(pl->supported, 25000baseKR_Full); in phylink_parse_mode()
336 phylink_set(pl->supported, 25000baseSR_Full); in phylink_parse_mode()
337 phylink_set(pl->supported, 40000baseKR4_Full); in phylink_parse_mode()
338 phylink_set(pl->supported, 40000baseCR4_Full); in phylink_parse_mode()
339 phylink_set(pl->supported, 40000baseSR4_Full); in phylink_parse_mode()
340 phylink_set(pl->supported, 40000baseLR4_Full); in phylink_parse_mode()
341 phylink_set(pl->supported, 50000baseCR2_Full); in phylink_parse_mode()
342 phylink_set(pl->supported, 50000baseKR2_Full); in phylink_parse_mode()
343 phylink_set(pl->supported, 50000baseSR2_Full); in phylink_parse_mode()
344 phylink_set(pl->supported, 50000baseKR_Full); in phylink_parse_mode()
345 phylink_set(pl->supported, 50000baseSR_Full); in phylink_parse_mode()
346 phylink_set(pl->supported, 50000baseCR_Full); in phylink_parse_mode()
347 phylink_set(pl->supported, 50000baseLR_ER_FR_Full); in phylink_parse_mode()
348 phylink_set(pl->supported, 50000baseDR_Full); in phylink_parse_mode()
349 phylink_set(pl->supported, 100000baseKR4_Full); in phylink_parse_mode()
350 phylink_set(pl->supported, 100000baseSR4_Full); in phylink_parse_mode()
351 phylink_set(pl->supported, 100000baseCR4_Full); in phylink_parse_mode()
352 phylink_set(pl->supported, 100000baseLR4_ER4_Full); in phylink_parse_mode()
353 phylink_set(pl->supported, 100000baseKR2_Full); in phylink_parse_mode()
354 phylink_set(pl->supported, 100000baseSR2_Full); in phylink_parse_mode()
355 phylink_set(pl->supported, 100000baseCR2_Full); in phylink_parse_mode()
356 phylink_set(pl->supported, 100000baseLR2_ER2_FR2_Full); in phylink_parse_mode()
357 phylink_set(pl->supported, 100000baseDR2_Full); in phylink_parse_mode()
362 "incorrect link mode %s for in-band status\n", in phylink_parse_mode()
363 phy_modes(pl->link_config.interface)); in phylink_parse_mode()
364 return -EINVAL; in phylink_parse_mode()
367 linkmode_copy(pl->link_config.advertising, pl->supported); in phylink_parse_mode()
369 if (phylink_validate(pl, pl->supported, &pl->link_config)) { in phylink_parse_mode()
371 "failed to validate link configuration for in-band status\n"); in phylink_parse_mode()
372 return -EINVAL; in phylink_parse_mode()
376 pl->link_config.an_enabled = phylink_test(pl->supported, Autoneg); in phylink_parse_mode()
386 if (!state->an_enabled) in phylink_apply_manual_flow()
387 state->pause &= ~MLO_PAUSE_AN; in phylink_apply_manual_flow()
390 if (!(pl->link_config.pause & MLO_PAUSE_AN)) in phylink_apply_manual_flow()
391 state->pause = pl->link_config.pause; in phylink_apply_manual_flow()
398 state->pause = MLO_PAUSE_NONE; in phylink_resolve_flow()
399 if (state->duplex == DUPLEX_FULL) { in phylink_resolve_flow()
400 linkmode_resolve_pause(state->advertising, in phylink_resolve_flow()
401 state->lp_advertising, in phylink_resolve_flow()
404 state->pause |= MLO_PAUSE_TX; in phylink_resolve_flow()
406 state->pause |= MLO_PAUSE_RX; in phylink_resolve_flow()
414 "%s: mode=%s/%s/%s/%s adv=%*pb pause=%02x link=%u an=%u\n", in phylink_mac_config()
415 __func__, phylink_an_mode_str(pl->cur_link_an_mode), in phylink_mac_config()
416 phy_modes(state->interface), in phylink_mac_config()
417 phy_speed_to_str(state->speed), in phylink_mac_config()
418 phy_duplex_to_str(state->duplex), in phylink_mac_config()
419 __ETHTOOL_LINK_MODE_MASK_NBITS, state->advertising, in phylink_mac_config()
420 state->pause, state->link, state->an_enabled); in phylink_mac_config()
422 pl->mac_ops->mac_config(pl->config, pl->cur_link_an_mode, state); in phylink_mac_config()
427 if (pl->link_config.an_enabled && in phylink_mac_pcs_an_restart()
428 phy_interface_mode_is_8023z(pl->link_config.interface) && in phylink_mac_pcs_an_restart()
429 phylink_autoneg_inband(pl->cur_link_an_mode)) { in phylink_mac_pcs_an_restart()
430 if (pl->pcs_ops) in phylink_mac_pcs_an_restart()
431 pl->pcs_ops->pcs_an_restart(pl->pcs); in phylink_mac_pcs_an_restart()
433 pl->mac_ops->mac_an_restart(pl->config); in phylink_mac_pcs_an_restart()
442 phylink_dbg(pl, "major config %s\n", phy_modes(state->interface)); in phylink_major_config()
444 if (pl->mac_ops->mac_prepare) { in phylink_major_config()
445 err = pl->mac_ops->mac_prepare(pl->config, pl->cur_link_an_mode, in phylink_major_config()
446 state->interface); in phylink_major_config()
456 if (pl->pcs_ops) { in phylink_major_config()
457 err = pl->pcs_ops->pcs_config(pl->pcs, pl->cur_link_an_mode, in phylink_major_config()
458 state->interface, in phylink_major_config()
459 state->advertising, in phylink_major_config()
460 !!(pl->link_config.pause & in phylink_major_config()
471 if (pl->mac_ops->mac_finish) { in phylink_major_config()
472 err = pl->mac_ops->mac_finish(pl->config, pl->cur_link_an_mode, in phylink_major_config()
473 state->interface); in phylink_major_config()
490 if (test_bit(PHYLINK_DISABLE_STOPPED, &pl->phylink_disable_state)) in phylink_change_inband_advert()
493 if (!pl->pcs_ops) { in phylink_change_inband_advert()
495 phylink_mac_config(pl, &pl->link_config); in phylink_change_inband_advert()
501 phylink_an_mode_str(pl->cur_link_an_mode), in phylink_change_inband_advert()
502 phy_modes(pl->link_config.interface), in phylink_change_inband_advert()
503 __ETHTOOL_LINK_MODE_MASK_NBITS, pl->link_config.advertising, in phylink_change_inband_advert()
504 pl->link_config.pause); in phylink_change_inband_advert()
506 /* Modern PCS-based method; update the advert at the PCS, and in phylink_change_inband_advert()
510 ret = pl->pcs_ops->pcs_config(pl->pcs, pl->cur_link_an_mode, in phylink_change_inband_advert()
511 pl->link_config.interface, in phylink_change_inband_advert()
512 pl->link_config.advertising, in phylink_change_inband_advert()
513 !!(pl->link_config.pause & MLO_PAUSE_AN)); in phylink_change_inband_advert()
526 linkmode_copy(state->advertising, pl->link_config.advertising); in phylink_mac_pcs_get_state()
527 linkmode_zero(state->lp_advertising); in phylink_mac_pcs_get_state()
528 state->interface = pl->link_config.interface; in phylink_mac_pcs_get_state()
529 state->an_enabled = pl->link_config.an_enabled; in phylink_mac_pcs_get_state()
530 state->speed = SPEED_UNKNOWN; in phylink_mac_pcs_get_state()
531 state->duplex = DUPLEX_UNKNOWN; in phylink_mac_pcs_get_state()
532 state->pause = MLO_PAUSE_NONE; in phylink_mac_pcs_get_state()
533 state->an_complete = 0; in phylink_mac_pcs_get_state()
534 state->link = 1; in phylink_mac_pcs_get_state()
536 if (pl->pcs_ops) in phylink_mac_pcs_get_state()
537 pl->pcs_ops->pcs_get_state(pl->pcs, state); in phylink_mac_pcs_get_state()
538 else if (pl->mac_ops->mac_pcs_get_state) in phylink_mac_pcs_get_state()
539 pl->mac_ops->mac_pcs_get_state(pl->config, state); in phylink_mac_pcs_get_state()
541 state->link = 0; in phylink_mac_pcs_get_state()
544 /* The fixed state is... fixed except for the link state,
550 *state = pl->link_config; in phylink_get_fixed_state()
551 if (pl->config->get_fixed_state) in phylink_get_fixed_state()
552 pl->config->get_fixed_state(pl->config, state); in phylink_get_fixed_state()
553 else if (pl->link_gpio) in phylink_get_fixed_state()
554 state->link = !!gpiod_get_value_cansleep(pl->link_gpio); in phylink_get_fixed_state()
563 switch (pl->cur_link_an_mode) { in phylink_mac_initial_config()
565 link_state = pl->phy_state; in phylink_mac_initial_config()
573 link_state = pl->link_config; in phylink_mac_initial_config()
582 link_state.link = false; in phylink_mac_initial_config()
605 struct net_device *ndev = pl->netdev; in phylink_link_up()
607 pl->cur_interface = link_state.interface; in phylink_link_up()
609 if (pl->pcs_ops && pl->pcs_ops->pcs_link_up) in phylink_link_up()
610 pl->pcs_ops->pcs_link_up(pl->pcs, pl->cur_link_an_mode, in phylink_link_up()
611 pl->cur_interface, in phylink_link_up()
614 pl->mac_ops->mac_link_up(pl->config, pl->phydev, in phylink_link_up()
615 pl->cur_link_an_mode, pl->cur_interface, in phylink_link_up()
624 "Link is Up - %s/%s - flow control %s\n", in phylink_link_up()
632 struct net_device *ndev = pl->netdev; in phylink_link_down()
636 pl->mac_ops->mac_link_down(pl->config, pl->cur_link_an_mode, in phylink_link_down()
637 pl->cur_interface); in phylink_link_down()
638 phylink_info(pl, "Link is Down\n"); in phylink_link_down()
645 struct net_device *ndev = pl->netdev; in phylink_resolve()
650 mutex_lock(&pl->state_mutex); in phylink_resolve()
651 if (pl->netdev) in phylink_resolve()
654 cur_link_state = pl->old_link_state; in phylink_resolve()
656 if (pl->phylink_disable_state) { in phylink_resolve()
657 pl->mac_link_dropped = false; in phylink_resolve()
658 link_state.link = false; in phylink_resolve()
659 } else if (pl->mac_link_dropped) { in phylink_resolve()
660 link_state.link = false; in phylink_resolve()
663 switch (pl->cur_link_an_mode) { in phylink_resolve()
665 link_state = pl->phy_state; in phylink_resolve()
667 mac_config = link_state.link; in phylink_resolve()
672 mac_config = link_state.link; in phylink_resolve()
678 /* The PCS may have a latching link-fail indicator. in phylink_resolve()
679 * If the link was up, bring the link down and in phylink_resolve()
680 * re-trigger the resolve. Otherwise, re-read the in phylink_resolve()
681 * PCS state to get the current status of the link. in phylink_resolve()
683 if (!link_state.link) { in phylink_resolve()
693 if (pl->phydev) in phylink_resolve()
694 link_state.link &= pl->phy_state.link; in phylink_resolve()
696 /* Only update if the PHY link is up */ in phylink_resolve()
697 if (pl->phydev && pl->phy_state.link) { in phylink_resolve()
699 * link down event if the link isn't already in phylink_resolve()
700 * down, and re-resolve. in phylink_resolve()
703 pl->phy_state.interface) { in phylink_resolve()
705 link_state.link = false; in phylink_resolve()
707 link_state.interface = pl->phy_state.interface; in phylink_resolve()
711 link_state.pause = pl->phy_state.pause; in phylink_resolve()
720 if (link_state.interface != pl->link_config.interface) { in phylink_resolve()
721 /* The interface has changed, force the link down and in phylink_resolve()
729 pl->link_config.interface = link_state.interface; in phylink_resolve()
730 } else if (!pl->pcs_ops) { in phylink_resolve()
741 if (link_state.link != cur_link_state) { in phylink_resolve()
742 pl->old_link_state = link_state.link; in phylink_resolve()
743 if (!link_state.link) in phylink_resolve()
748 if (!link_state.link && retrigger) { in phylink_resolve()
749 pl->mac_link_dropped = false; in phylink_resolve()
750 queue_work(system_power_efficient_wq, &pl->resolve); in phylink_resolve()
752 mutex_unlock(&pl->state_mutex); in phylink_resolve()
757 if (!pl->phylink_disable_state) in phylink_run_resolve()
758 queue_work(system_power_efficient_wq, &pl->resolve); in phylink_run_resolve()
763 unsigned long state = pl->phylink_disable_state; in phylink_run_resolve_and_disable()
765 set_bit(bit, &pl->phylink_disable_state); in phylink_run_resolve_and_disable()
767 queue_work(system_power_efficient_wq, &pl->resolve); in phylink_run_resolve_and_disable()
768 flush_work(&pl->resolve); in phylink_run_resolve_and_disable()
799 pl->sfp_bus = bus; in phylink_register_sfp()
808 * phylink_create() - create a phylink instance
812 * @iface: the desired link mode defined by &typedef phy_interface_t
815 * Create a new phylink instance, and parse the link parameters found in @np.
816 * This will parse in-band modes, fixed-link or SFP configuration.
820 * Returns a pointer to a &struct phylink, or an error-pointer value. Users
833 return ERR_PTR(-ENOMEM); in phylink_create()
835 mutex_init(&pl->state_mutex); in phylink_create()
836 INIT_WORK(&pl->resolve, phylink_resolve); in phylink_create()
838 pl->config = config; in phylink_create()
839 if (config->type == PHYLINK_NETDEV) { in phylink_create()
840 pl->netdev = to_net_dev(config->dev); in phylink_create()
841 } else if (config->type == PHYLINK_DEV) { in phylink_create()
842 pl->dev = config->dev; in phylink_create()
845 return ERR_PTR(-EINVAL); in phylink_create()
848 pl->phy_state.interface = iface; in phylink_create()
849 pl->link_interface = iface; in phylink_create()
851 pl->link_port = PORT_BNC; in phylink_create()
853 pl->link_port = PORT_MII; in phylink_create()
854 pl->link_config.interface = iface; in phylink_create()
855 pl->link_config.pause = MLO_PAUSE_AN; in phylink_create()
856 pl->link_config.speed = SPEED_UNKNOWN; in phylink_create()
857 pl->link_config.duplex = DUPLEX_UNKNOWN; in phylink_create()
858 pl->link_config.an_enabled = true; in phylink_create()
859 pl->mac_ops = mac_ops; in phylink_create()
860 __set_bit(PHYLINK_DISABLE_STOPPED, &pl->phylink_disable_state); in phylink_create()
861 timer_setup(&pl->link_poll, phylink_fixed_poll, 0); in phylink_create()
863 bitmap_fill(pl->supported, __ETHTOOL_LINK_MODE_MASK_NBITS); in phylink_create()
864 linkmode_copy(pl->link_config.advertising, pl->supported); in phylink_create()
865 phylink_validate(pl, pl->supported, &pl->link_config); in phylink_create()
873 if (pl->cfg_link_an_mode == MLO_AN_FIXED) { in phylink_create()
881 pl->cur_link_an_mode = pl->cfg_link_an_mode; in phylink_create()
894 * phylink_set_pcs() - set the current PCS for phylink to use
909 pl->pcs = pcs; in phylink_set_pcs()
910 pl->pcs_ops = pcs->ops; in phylink_set_pcs()
915 * phylink_destroy() - cleanup and destroy the phylink instance
925 sfp_bus_del_upstream(pl->sfp_bus); in phylink_destroy()
926 if (pl->link_gpio) in phylink_destroy()
927 gpiod_put(pl->link_gpio); in phylink_destroy()
929 cancel_work_sync(&pl->resolve); in phylink_destroy()
936 struct phylink *pl = phydev->phylink; in phylink_phy_change()
941 mutex_lock(&pl->state_mutex); in phylink_phy_change()
942 pl->phy_state.speed = phydev->speed; in phylink_phy_change()
943 pl->phy_state.duplex = phydev->duplex; in phylink_phy_change()
944 pl->phy_state.pause = MLO_PAUSE_NONE; in phylink_phy_change()
946 pl->phy_state.pause |= MLO_PAUSE_TX; in phylink_phy_change()
948 pl->phy_state.pause |= MLO_PAUSE_RX; in phylink_phy_change()
949 pl->phy_state.interface = phydev->interface; in phylink_phy_change()
950 pl->phy_state.link = up; in phylink_phy_change()
951 mutex_unlock(&pl->state_mutex); in phylink_phy_change()
955 phylink_dbg(pl, "phy link %s %s/%s/%s\n", up ? "up" : "down", in phylink_phy_change()
956 phy_modes(phydev->interface), in phylink_phy_change()
957 phy_speed_to_str(phydev->speed), in phylink_phy_change()
958 phy_duplex_to_str(phydev->duplex)); in phylink_phy_change()
979 linkmode_copy(supported, phy->supported); in phylink_bringup_phy()
980 linkmode_copy(config.advertising, phy->advertising); in phylink_bringup_phy()
983 * modes, normally 10GBASE-R, SGMII. Some use 2500BASE-X for 2.5G in phylink_bringup_phy()
987 if (phy->is_c45 && in phylink_bringup_phy()
999 __ETHTOOL_LINK_MODE_MASK_NBITS, phy->supported, in phylink_bringup_phy()
1005 phy->phylink = pl; in phylink_bringup_phy()
1006 phy->phy_link_change = phylink_phy_change; in phylink_bringup_phy()
1011 dev_name(&phy->mdio.dev), phy->drv->name, irq_str); in phylink_bringup_phy()
1014 mutex_lock(&phy->lock); in phylink_bringup_phy()
1015 mutex_lock(&pl->state_mutex); in phylink_bringup_phy()
1016 pl->phydev = phy; in phylink_bringup_phy()
1017 pl->phy_state.interface = interface; in phylink_bringup_phy()
1018 pl->phy_state.pause = MLO_PAUSE_NONE; in phylink_bringup_phy()
1019 pl->phy_state.speed = SPEED_UNKNOWN; in phylink_bringup_phy()
1020 pl->phy_state.duplex = DUPLEX_UNKNOWN; in phylink_bringup_phy()
1021 linkmode_copy(pl->supported, supported); in phylink_bringup_phy()
1022 linkmode_copy(pl->link_config.advertising, config.advertising); in phylink_bringup_phy()
1025 linkmode_copy(phy->advertising, config.advertising); in phylink_bringup_phy()
1026 mutex_unlock(&pl->state_mutex); in phylink_bringup_phy()
1027 mutex_unlock(&phy->lock); in phylink_bringup_phy()
1031 __ETHTOOL_LINK_MODE_MASK_NBITS, pl->supported, in phylink_bringup_phy()
1032 __ETHTOOL_LINK_MODE_MASK_NBITS, phy->advertising); in phylink_bringup_phy()
1043 if (WARN_ON(pl->cfg_link_an_mode == MLO_AN_FIXED || in phylink_attach_phy()
1044 (pl->cfg_link_an_mode == MLO_AN_INBAND && in phylink_attach_phy()
1046 return -EINVAL; in phylink_attach_phy()
1048 if (pl->phydev) in phylink_attach_phy()
1049 return -EBUSY; in phylink_attach_phy()
1051 return phy_attach_direct(pl->netdev, phy, 0, interface); in phylink_attach_phy()
1055 * phylink_connect_phy() - connect a PHY to the phylink instance
1064 * This updates the phylink's ethtool supported and advertising link mode
1074 if (pl->link_interface == PHY_INTERFACE_MODE_NA) { in phylink_connect_phy()
1075 pl->link_interface = phy->interface; in phylink_connect_phy()
1076 pl->link_config.interface = pl->link_interface; in phylink_connect_phy()
1079 ret = phylink_attach_phy(pl, phy, pl->link_interface); in phylink_connect_phy()
1083 ret = phylink_bringup_phy(pl, phy, pl->link_config.interface); in phylink_connect_phy()
1092 * phylink_of_phy_connect() - connect the PHY specified in the DT mode.
1095 * @flags: PHY-specific flags to communicate to the PHY device driver
1110 /* Fixed links and 802.3z are handled without needing a PHY */ in phylink_of_phy_connect()
1111 if (pl->cfg_link_an_mode == MLO_AN_FIXED || in phylink_of_phy_connect()
1112 (pl->cfg_link_an_mode == MLO_AN_INBAND && in phylink_of_phy_connect()
1113 phy_interface_mode_is_8023z(pl->link_interface))) in phylink_of_phy_connect()
1116 phy_node = of_parse_phandle(dn, "phy-handle", 0); in phylink_of_phy_connect()
1120 phy_node = of_parse_phandle(dn, "phy-device", 0); in phylink_of_phy_connect()
1123 if (pl->cfg_link_an_mode == MLO_AN_PHY) in phylink_of_phy_connect()
1124 return -ENODEV; in phylink_of_phy_connect()
1132 return -ENODEV; in phylink_of_phy_connect()
1134 ret = phy_attach_direct(pl->netdev, phy_dev, flags, in phylink_of_phy_connect()
1135 pl->link_interface); in phylink_of_phy_connect()
1139 ret = phylink_bringup_phy(pl, phy_dev, pl->link_config.interface); in phylink_of_phy_connect()
1148 * phylink_disconnect_phy() - disconnect any PHY attached to the phylink
1160 phy = pl->phydev; in phylink_disconnect_phy()
1162 mutex_lock(&phy->lock); in phylink_disconnect_phy()
1163 mutex_lock(&pl->state_mutex); in phylink_disconnect_phy()
1164 pl->phydev = NULL; in phylink_disconnect_phy()
1165 mutex_unlock(&pl->state_mutex); in phylink_disconnect_phy()
1166 mutex_unlock(&phy->lock); in phylink_disconnect_phy()
1167 flush_work(&pl->resolve); in phylink_disconnect_phy()
1175 * phylink_mac_change() - notify phylink of a change in MAC state
1177 * @up: indicates whether the link is currently up.
1179 * The MAC driver should call this driver when the state of its link
1180 * changes (eg, link failure, new negotiation results, etc.)
1185 pl->mac_link_dropped = true; in phylink_mac_change()
1187 phylink_dbg(pl, "mac link %s\n", up ? "up" : "down"); in phylink_mac_change()
1201 * phylink_start() - start a phylink instance
1205 * desired link mode(s) and negotiation style. This should be called from the
1214 phylink_info(pl, "configuring for %s/%s link mode\n", in phylink_start()
1215 phylink_an_mode_str(pl->cur_link_an_mode), in phylink_start()
1216 phy_modes(pl->link_config.interface)); in phylink_start()
1219 if (pl->netdev) in phylink_start()
1220 netif_carrier_off(pl->netdev); in phylink_start()
1222 /* Apply the link configuration to the MAC when starting. This allows in phylink_start()
1223 * a fixed-link to start with the correct parameters, and also in phylink_start()
1226 * Restart autonegotiation if using 802.3z to ensure that the link in phylink_start()
1232 clear_bit(PHYLINK_DISABLE_STOPPED, &pl->phylink_disable_state); in phylink_start()
1235 if (pl->cfg_link_an_mode == MLO_AN_FIXED && pl->link_gpio) { in phylink_start()
1236 int irq = gpiod_to_irq(pl->link_gpio); in phylink_start()
1242 "netdev link", pl)) in phylink_start()
1243 pl->link_irq = irq; in phylink_start()
1251 switch (pl->cfg_link_an_mode) { in phylink_start()
1253 poll |= pl->config->poll_fixed_state; in phylink_start()
1256 poll |= pl->config->pcs_poll; in phylink_start()
1257 if (pl->pcs) in phylink_start()
1258 poll |= pl->pcs->poll; in phylink_start()
1262 mod_timer(&pl->link_poll, jiffies + HZ); in phylink_start()
1263 if (pl->phydev) in phylink_start()
1264 phy_start(pl->phydev); in phylink_start()
1265 if (pl->sfp_bus) in phylink_start()
1266 sfp_upstream_start(pl->sfp_bus); in phylink_start()
1271 * phylink_stop() - stop a phylink instance
1283 if (pl->sfp_bus) in phylink_stop()
1284 sfp_upstream_stop(pl->sfp_bus); in phylink_stop()
1285 if (pl->phydev) in phylink_stop()
1286 phy_stop(pl->phydev); in phylink_stop()
1287 del_timer_sync(&pl->link_poll); in phylink_stop()
1288 if (pl->link_irq) { in phylink_stop()
1289 free_irq(pl->link_irq, pl); in phylink_stop()
1290 pl->link_irq = 0; in phylink_stop()
1298 * phylink_ethtool_get_wol() - get the wake on lan parameters for the PHY
1310 wol->supported = 0; in phylink_ethtool_get_wol()
1311 wol->wolopts = 0; in phylink_ethtool_get_wol()
1313 if (pl->phydev) in phylink_ethtool_get_wol()
1314 phy_ethtool_get_wol(pl->phydev, wol); in phylink_ethtool_get_wol()
1319 * phylink_ethtool_set_wol() - set wake on lan parameters
1331 int ret = -EOPNOTSUPP; in phylink_ethtool_set_wol()
1335 if (pl->phydev) in phylink_ethtool_set_wol()
1336 ret = phy_ethtool_set_wol(pl->phydev, wol); in phylink_ethtool_set_wol()
1356 phylink_merge_link_mode(kset->link_modes.advertising, state->advertising); in phylink_get_ksettings()
1357 linkmode_copy(kset->link_modes.lp_advertising, state->lp_advertising); in phylink_get_ksettings()
1358 kset->base.speed = state->speed; in phylink_get_ksettings()
1359 kset->base.duplex = state->duplex; in phylink_get_ksettings()
1360 kset->base.autoneg = state->an_enabled ? AUTONEG_ENABLE : in phylink_get_ksettings()
1365 * phylink_ethtool_ksettings_get() - get the current link settings
1367 * @kset: a pointer to a &struct ethtool_link_ksettings to hold link settings
1369 * Read the current link settings for the phylink instance specified by @pl.
1370 * This will be the link settings read from the MAC, PHY or fixed link
1380 if (pl->phydev) { in phylink_ethtool_ksettings_get()
1381 phy_ethtool_ksettings_get(pl->phydev, kset); in phylink_ethtool_ksettings_get()
1383 kset->base.port = pl->link_port; in phylink_ethtool_ksettings_get()
1386 linkmode_copy(kset->link_modes.supported, pl->supported); in phylink_ethtool_ksettings_get()
1388 switch (pl->cur_link_an_mode) { in phylink_ethtool_ksettings_get()
1390 /* We are using fixed settings. Report these as the in phylink_ethtool_ksettings_get()
1391 * current link settings - and note that these also in phylink_ethtool_ksettings_get()
1402 if (pl->phydev) in phylink_ethtool_ksettings_get()
1407 /* The MAC is reporting the link results from its own PCS in phylink_ethtool_ksettings_get()
1408 * layer via in-band status. Report these as the current in phylink_ethtool_ksettings_get()
1409 * link settings. in phylink_ethtool_ksettings_get()
1420 * phylink_ethtool_ksettings_set() - set the link settings
1433 if (pl->phydev) { in phylink_ethtool_ksettings_set()
1435 * to update the pl->link_config settings: in phylink_ethtool_ksettings_set()
1436 * - the configuration returned via ksettings_get() will come in phylink_ethtool_ksettings_set()
1438 * - link_config.interface will be updated by the PHY calling in phylink_ethtool_ksettings_set()
1440 * - initial link configuration for PHY mode comes from the in phylink_ethtool_ksettings_set()
1442 * - other configuration changes (e.g. pause modes) are in phylink_ethtool_ksettings_set()
1444 * - if in in-band mode with a PHY, the link configuration in phylink_ethtool_ksettings_set()
1445 * is passed on the link from the PHY, and all of in phylink_ethtool_ksettings_set()
1447 * - the only possible use would be link_config.advertising in phylink_ethtool_ksettings_set()
1448 * pause modes when in 1000base-X mode with a PHY, but in in phylink_ethtool_ksettings_set()
1452 return phy_ethtool_ksettings_set(pl->phydev, kset); in phylink_ethtool_ksettings_set()
1455 linkmode_copy(support, pl->supported); in phylink_ethtool_ksettings_set()
1456 config = pl->link_config; in phylink_ethtool_ksettings_set()
1457 config.an_enabled = kset->base.autoneg == AUTONEG_ENABLE; in phylink_ethtool_ksettings_set()
1460 linkmode_and(config.advertising, kset->link_modes.advertising, in phylink_ethtool_ksettings_set()
1466 switch (kset->base.autoneg) { in phylink_ethtool_ksettings_set()
1471 s = phy_lookup_setting(kset->base.speed, kset->base.duplex, in phylink_ethtool_ksettings_set()
1474 return -EINVAL; in phylink_ethtool_ksettings_set()
1476 /* If we have a fixed link, refuse to change link parameters. in phylink_ethtool_ksettings_set()
1477 * If the link parameters match, accept them but do nothing. in phylink_ethtool_ksettings_set()
1479 if (pl->cur_link_an_mode == MLO_AN_FIXED) { in phylink_ethtool_ksettings_set()
1480 if (s->speed != pl->link_config.speed || in phylink_ethtool_ksettings_set()
1481 s->duplex != pl->link_config.duplex) in phylink_ethtool_ksettings_set()
1482 return -EINVAL; in phylink_ethtool_ksettings_set()
1486 config.speed = s->speed; in phylink_ethtool_ksettings_set()
1487 config.duplex = s->duplex; in phylink_ethtool_ksettings_set()
1491 /* If we have a fixed link, allow autonegotiation (since that in phylink_ethtool_ksettings_set()
1495 if (pl->cur_link_an_mode == MLO_AN_FIXED) { in phylink_ethtool_ksettings_set()
1497 pl->link_config.advertising)) in phylink_ethtool_ksettings_set()
1498 return -EINVAL; in phylink_ethtool_ksettings_set()
1507 return -EINVAL; in phylink_ethtool_ksettings_set()
1511 * fixed-link cases. All that is left are in-band links. in phylink_ethtool_ksettings_set()
1514 return -EINVAL; in phylink_ethtool_ksettings_set()
1518 return -EINVAL; in phylink_ethtool_ksettings_set()
1520 /* If this link is with an SFP, ensure that changes to advertised modes in phylink_ethtool_ksettings_set()
1522 * link can be configured correctly. in phylink_ethtool_ksettings_set()
1524 if (pl->sfp_port && pl->sfp_bus) { in phylink_ethtool_ksettings_set()
1525 config.interface = sfp_select_interface(pl->sfp_bus, in phylink_ethtool_ksettings_set()
1532 return -EINVAL; in phylink_ethtool_ksettings_set()
1536 linkmode_copy(support, pl->supported); in phylink_ethtool_ksettings_set()
1539 phylink_an_mode_str(pl->cur_link_an_mode), in phylink_ethtool_ksettings_set()
1542 return -EINVAL; in phylink_ethtool_ksettings_set()
1546 mutex_lock(&pl->state_mutex); in phylink_ethtool_ksettings_set()
1547 pl->link_config.speed = config.speed; in phylink_ethtool_ksettings_set()
1548 pl->link_config.duplex = config.duplex; in phylink_ethtool_ksettings_set()
1549 pl->link_config.an_enabled = config.an_enabled; in phylink_ethtool_ksettings_set()
1551 if (pl->link_config.interface != config.interface) { in phylink_ethtool_ksettings_set()
1552 /* The interface changed, e.g. 1000base-X <-> 2500base-X */ in phylink_ethtool_ksettings_set()
1553 /* We need to force the link down, then change the interface */ in phylink_ethtool_ksettings_set()
1554 if (pl->old_link_state) { in phylink_ethtool_ksettings_set()
1556 pl->old_link_state = false; in phylink_ethtool_ksettings_set()
1559 &pl->phylink_disable_state)) in phylink_ethtool_ksettings_set()
1561 pl->link_config.interface = config.interface; in phylink_ethtool_ksettings_set()
1562 linkmode_copy(pl->link_config.advertising, config.advertising); in phylink_ethtool_ksettings_set()
1563 } else if (!linkmode_equal(pl->link_config.advertising, in phylink_ethtool_ksettings_set()
1565 linkmode_copy(pl->link_config.advertising, config.advertising); in phylink_ethtool_ksettings_set()
1568 mutex_unlock(&pl->state_mutex); in phylink_ethtool_ksettings_set()
1575 * phylink_ethtool_nway_reset() - restart negotiation
1579 * cause any attached phy to restart negotiation with the link partner, and
1591 if (pl->phydev) in phylink_ethtool_nway_reset()
1592 ret = phy_restart_aneg(pl->phydev); in phylink_ethtool_nway_reset()
1600 * phylink_ethtool_get_pauseparam() - get the current pause parameters
1609 pause->autoneg = !!(pl->link_config.pause & MLO_PAUSE_AN); in phylink_ethtool_get_pauseparam()
1610 pause->rx_pause = !!(pl->link_config.pause & MLO_PAUSE_RX); in phylink_ethtool_get_pauseparam()
1611 pause->tx_pause = !!(pl->link_config.pause & MLO_PAUSE_TX); in phylink_ethtool_get_pauseparam()
1616 * phylink_ethtool_set_pauseparam() - set the current pause parameters
1623 struct phylink_link_state *config = &pl->link_config; in phylink_ethtool_set_pauseparam()
1629 if (pl->cur_link_an_mode == MLO_AN_FIXED) in phylink_ethtool_set_pauseparam()
1630 return -EOPNOTSUPP; in phylink_ethtool_set_pauseparam()
1632 if (!phylink_test(pl->supported, Pause) && in phylink_ethtool_set_pauseparam()
1633 !phylink_test(pl->supported, Asym_Pause)) in phylink_ethtool_set_pauseparam()
1634 return -EOPNOTSUPP; in phylink_ethtool_set_pauseparam()
1636 if (!phylink_test(pl->supported, Asym_Pause) && in phylink_ethtool_set_pauseparam()
1637 pause->rx_pause != pause->tx_pause) in phylink_ethtool_set_pauseparam()
1638 return -EINVAL; in phylink_ethtool_set_pauseparam()
1641 if (pause->autoneg) in phylink_ethtool_set_pauseparam()
1643 if (pause->rx_pause) in phylink_ethtool_set_pauseparam()
1645 if (pause->tx_pause) in phylink_ethtool_set_pauseparam()
1648 mutex_lock(&pl->state_mutex); in phylink_ethtool_set_pauseparam()
1662 linkmode_set_pause(config->advertising, pause->tx_pause, in phylink_ethtool_set_pauseparam()
1663 pause->rx_pause); in phylink_ethtool_set_pauseparam()
1665 manual_changed = (config->pause ^ pause_state) & MLO_PAUSE_AN || in phylink_ethtool_set_pauseparam()
1667 (config->pause ^ pause_state) & MLO_PAUSE_TXRX_MASK); in phylink_ethtool_set_pauseparam()
1669 config->pause = pause_state; in phylink_ethtool_set_pauseparam()
1671 /* Update our in-band advertisement, triggering a renegotiation if in phylink_ethtool_set_pauseparam()
1674 if (!pl->phydev) in phylink_ethtool_set_pauseparam()
1677 mutex_unlock(&pl->state_mutex); in phylink_ethtool_set_pauseparam()
1684 if (pl->phydev) in phylink_ethtool_set_pauseparam()
1685 phy_set_asym_pause(pl->phydev, pause->rx_pause, in phylink_ethtool_set_pauseparam()
1686 pause->tx_pause); in phylink_ethtool_set_pauseparam()
1690 * link will cycle. in phylink_ethtool_set_pauseparam()
1693 pl->mac_link_dropped = true; in phylink_ethtool_set_pauseparam()
1702 * phylink_ethtool_get_eee_err() - read the energy efficient ethernet error
1717 if (pl->phydev) in phylink_get_eee_err()
1718 ret = phy_get_eee_err(pl->phydev); in phylink_get_eee_err()
1725 * phylink_init_eee() - init and check the EEE features
1733 int ret = -EOPNOTSUPP; in phylink_init_eee()
1735 if (pl->phydev) in phylink_init_eee()
1736 ret = phy_init_eee(pl->phydev, clk_stop_enable); in phylink_init_eee()
1743 * phylink_ethtool_get_eee() - read the energy efficient ethernet parameters
1749 int ret = -EOPNOTSUPP; in phylink_ethtool_get_eee()
1753 if (pl->phydev) in phylink_ethtool_get_eee()
1754 ret = phy_ethtool_get_eee(pl->phydev, eee); in phylink_ethtool_get_eee()
1761 * phylink_ethtool_set_eee() - set the energy efficient ethernet parameters
1767 int ret = -EOPNOTSUPP; in phylink_ethtool_set_eee()
1771 if (pl->phydev) in phylink_ethtool_set_eee()
1772 ret = phy_ethtool_set_eee(pl->phydev, eee); in phylink_ethtool_set_eee()
1778 /* This emulates MII registers for a fixed-mode phy operating as per the
1787 unsigned long *lpa = state->lp_advertising; in phylink_mii_emul_read()
1790 fs.link = state->link; in phylink_mii_emul_read()
1791 fs.speed = state->speed; in phylink_mii_emul_read()
1792 fs.duplex = state->duplex; in phylink_mii_emul_read()
1798 if (!state->an_complete) in phylink_mii_emul_read()
1807 struct phy_device *phydev = pl->phydev; in phylink_phy_read()
1814 } else if (phydev->is_c45) { in phylink_phy_read()
1820 devad = __ffs(phydev->c45_ids.mmds_present); in phylink_phy_read()
1824 if (!(phydev->c45_ids.mmds_present & MDIO_DEVS_AN)) in phylink_phy_read()
1825 return -EINVAL; in phylink_phy_read()
1833 return -EINVAL; in phylink_phy_read()
1841 return mdiobus_read(pl->phydev->mdio.bus, prtad, devad); in phylink_phy_read()
1847 struct phy_device *phydev = pl->phydev; in phylink_phy_write()
1854 } else if (phydev->is_c45) { in phylink_phy_write()
1860 devad = __ffs(phydev->c45_ids.mmds_present); in phylink_phy_write()
1864 if (!(phydev->c45_ids.mmds_present & MDIO_DEVS_AN)) in phylink_phy_write()
1865 return -EINVAL; in phylink_phy_write()
1873 return -EINVAL; in phylink_phy_write()
1882 return mdiobus_write(phydev->mdio.bus, prtad, devad, val); in phylink_phy_write()
1891 switch (pl->cur_link_an_mode) { in phylink_mii_read()
1900 return -EOPNOTSUPP; in phylink_mii_read()
1916 switch (pl->cur_link_an_mode) { in phylink_mii_write()
1921 return -EOPNOTSUPP; in phylink_mii_write()
1931 * phylink_mii_ioctl() - generic mii ioctl interface
1955 if (pl->phydev) { in phylink_mii_ioctl()
1959 mii->phy_id = pl->phydev->mdio.addr; in phylink_mii_ioctl()
1963 ret = phylink_phy_read(pl, mii->phy_id, mii->reg_num); in phylink_mii_ioctl()
1965 mii->val_out = ret; in phylink_mii_ioctl()
1971 ret = phylink_phy_write(pl, mii->phy_id, mii->reg_num, in phylink_mii_ioctl()
1972 mii->val_in); in phylink_mii_ioctl()
1976 ret = phy_mii_ioctl(pl->phydev, ifr, cmd); in phylink_mii_ioctl()
1982 mii->phy_id = 0; in phylink_mii_ioctl()
1986 ret = phylink_mii_read(pl, mii->phy_id, mii->reg_num); in phylink_mii_ioctl()
1988 mii->val_out = ret; in phylink_mii_ioctl()
1994 ret = phylink_mii_write(pl, mii->phy_id, mii->reg_num, in phylink_mii_ioctl()
1995 mii->val_in); in phylink_mii_ioctl()
1999 ret = -EOPNOTSUPP; in phylink_mii_ioctl()
2009 * phylink_speed_down() - set the non-SFP PHY to lowest speed supported by both
2010 * link partners
2026 if (!pl->sfp_bus && pl->phydev) in phylink_speed_down()
2027 ret = phy_speed_down(pl->phydev, sync); in phylink_speed_down()
2034 * phylink_speed_up() - restore the advertised speeds prior to the call to
2049 if (!pl->sfp_bus && pl->phydev) in phylink_speed_up()
2050 ret = phy_speed_up(pl->phydev); in phylink_speed_up()
2060 pl->netdev->sfp_bus = bus; in phylink_sfp_attach()
2067 pl->netdev->sfp_bus = NULL; in phylink_sfp_detach()
2089 config.an_enabled = pl->link_config.an_enabled; in phylink_sfp_config()
2099 iface = sfp_select_interface(pl->sfp_bus, config.advertising); in phylink_sfp_config()
2104 return -EINVAL; in phylink_sfp_config()
2118 phylink_dbg(pl, "requesting link mode %s/%s with support %*pb\n", in phylink_sfp_config()
2122 if (phy_interface_mode_is_8023z(iface) && pl->phydev) in phylink_sfp_config()
2123 return -EINVAL; in phylink_sfp_config()
2125 changed = !linkmode_equal(pl->supported, support) || in phylink_sfp_config()
2126 !linkmode_equal(pl->link_config.advertising, in phylink_sfp_config()
2129 linkmode_copy(pl->supported, support); in phylink_sfp_config()
2130 linkmode_copy(pl->link_config.advertising, config.advertising); in phylink_sfp_config()
2133 if (pl->cur_link_an_mode != mode || in phylink_sfp_config()
2134 pl->link_config.interface != config.interface) { in phylink_sfp_config()
2135 pl->link_config.interface = config.interface; in phylink_sfp_config()
2136 pl->cur_link_an_mode = mode; in phylink_sfp_config()
2140 phylink_info(pl, "switched to %s/%s link mode\n", in phylink_sfp_config()
2145 pl->link_port = pl->sfp_port; in phylink_sfp_config()
2148 &pl->phylink_disable_state)) in phylink_sfp_config()
2158 unsigned long *support = pl->sfp_support; in phylink_sfp_module_insert()
2163 sfp_parse_support(pl->sfp_bus, id, support); in phylink_sfp_module_insert()
2164 pl->sfp_port = sfp_parse_port(pl->sfp_bus, id, support); in phylink_sfp_module_insert()
2167 pl->sfp_may_have_phy = sfp_may_have_phy(pl->sfp_bus, id); in phylink_sfp_module_insert()
2168 if (pl->sfp_may_have_phy) in phylink_sfp_module_insert()
2179 if (pl->phydev) { in phylink_sfp_module_start()
2180 phy_start(pl->phydev); in phylink_sfp_module_start()
2187 if (!pl->sfp_may_have_phy) in phylink_sfp_module_start()
2191 pl->sfp_support, pl->sfp_support); in phylink_sfp_module_start()
2199 if (pl->phydev) in phylink_sfp_module_stop()
2200 phy_stop(pl->phydev); in phylink_sfp_module_stop()
2218 clear_bit(PHYLINK_DISABLE_LINK, &pl->phylink_disable_state); in phylink_sfp_link_up()
2227 return phy->is_c45 && in phylink_phy_no_inband()
2228 (phy->c45_ids.device_ids[1] & 0xfffffff0) == 0xae025150; in phylink_phy_no_inband()
2253 ret = phylink_sfp_config(pl, mode, phy->supported, phy->advertising); in phylink_sfp_connect_phy()
2257 interface = pl->link_config.interface; in phylink_sfp_connect_phy()
2289 * phylink_helper_basex_speed() - 1000BaseX/2500BaseX helper
2294 * the interface mode to suit. @state->interface is appropriately
2300 if (phy_interface_mode_is_8023z(state->interface)) { in phylink_helper_basex_speed()
2301 bool want_2500 = state->an_enabled ? in phylink_helper_basex_speed()
2302 phylink_test(state->advertising, 2500baseX_Full) : in phylink_helper_basex_speed()
2303 state->speed == SPEED_2500; in phylink_helper_basex_speed()
2306 phylink_clear(state->advertising, 1000baseX_Full); in phylink_helper_basex_speed()
2307 state->interface = PHY_INTERFACE_MODE_2500BASEX; in phylink_helper_basex_speed()
2309 phylink_clear(state->advertising, 2500baseX_Full); in phylink_helper_basex_speed()
2310 state->interface = PHY_INTERFACE_MODE_1000BASEX; in phylink_helper_basex_speed()
2327 mii_lpa_mod_linkmode_x(state->lp_advertising, config_reg, fd_bit); in phylink_decode_c37_word()
2329 if (linkmode_test_bit(fd_bit, state->advertising) && in phylink_decode_c37_word()
2330 linkmode_test_bit(fd_bit, state->lp_advertising)) { in phylink_decode_c37_word()
2331 state->speed = speed; in phylink_decode_c37_word()
2332 state->duplex = DUPLEX_FULL; in phylink_decode_c37_word()
2335 state->link = false; in phylink_decode_c37_word()
2338 linkmode_resolve_pause(state->advertising, state->lp_advertising, in phylink_decode_c37_word()
2342 state->pause |= MLO_PAUSE_TX; in phylink_decode_c37_word()
2344 state->pause |= MLO_PAUSE_RX; in phylink_decode_c37_word()
2351 state->link = false; in phylink_decode_sgmii_word()
2357 state->speed = SPEED_10; in phylink_decode_sgmii_word()
2360 state->speed = SPEED_100; in phylink_decode_sgmii_word()
2363 state->speed = SPEED_1000; in phylink_decode_sgmii_word()
2366 state->link = false; in phylink_decode_sgmii_word()
2370 state->duplex = DUPLEX_FULL; in phylink_decode_sgmii_word()
2372 state->duplex = DUPLEX_HALF; in phylink_decode_sgmii_word()
2376 * phylink_decode_usxgmii_word() - decode the USXGMII word from a MAC PCS
2378 * @lpa: a 16 bit value which stores the USXGMII auto-negotiation word
2380 * Helper for MAC PCS supporting the USXGMII protocol and the auto-negotiation
2389 state->speed = SPEED_10; in phylink_decode_usxgmii_word()
2392 state->speed = SPEED_100; in phylink_decode_usxgmii_word()
2395 state->speed = SPEED_1000; in phylink_decode_usxgmii_word()
2398 state->speed = SPEED_2500; in phylink_decode_usxgmii_word()
2401 state->speed = SPEED_5000; in phylink_decode_usxgmii_word()
2404 state->speed = SPEED_10000; in phylink_decode_usxgmii_word()
2407 state->link = false; in phylink_decode_usxgmii_word()
2412 state->duplex = DUPLEX_FULL; in phylink_decode_usxgmii_word()
2414 state->duplex = DUPLEX_HALF; in phylink_decode_usxgmii_word()
2419 * phylink_mii_c22_pcs_get_state() - read the MAC PCS state
2427 * parse the Clause 37 or Cisco SGMII link partner negotiation word into
2435 struct mii_bus *bus = pcs->bus; in phylink_mii_c22_pcs_get_state()
2436 int addr = pcs->addr; in phylink_mii_c22_pcs_get_state()
2442 state->link = false; in phylink_mii_c22_pcs_get_state()
2446 state->link = !!(bmsr & BMSR_LSTATUS); in phylink_mii_c22_pcs_get_state()
2447 state->an_complete = !!(bmsr & BMSR_ANEGCOMPLETE); in phylink_mii_c22_pcs_get_state()
2448 if (!state->link) in phylink_mii_c22_pcs_get_state()
2451 switch (state->interface) { in phylink_mii_c22_pcs_get_state()
2466 state->link = false; in phylink_mii_c22_pcs_get_state()
2473 * phylink_mii_c22_pcs_set_advertisement() - configure the clause 37 PCS
2493 struct mii_bus *bus = pcs->bus; in phylink_mii_c22_pcs_set_advertisement()
2494 int addr = pcs->addr; in phylink_mii_c22_pcs_set_advertisement()
2544 * phylink_mii_c22_pcs_config() - configure clause 22 PCS
2546 * @mode: link autonegotiation mode
2571 ret = mdiobus_modify(pcs->bus, pcs->addr, MII_BMCR, in phylink_mii_c22_pcs_config()
2581 * phylink_mii_c22_pcs_an_restart() - restart 802.3z autonegotiation
2587 * Restart the clause 37 negotiation with the link partner. This is
2593 struct mii_bus *bus = pcs->bus; in phylink_mii_c22_pcs_an_restart()
2594 int val, addr = pcs->addr; in phylink_mii_c22_pcs_an_restart()
2608 struct mii_bus *bus = pcs->bus; in phylink_mii_c45_pcs_get_state()
2609 int addr = pcs->addr; in phylink_mii_c45_pcs_get_state()
2614 state->link = false; in phylink_mii_c45_pcs_get_state()
2618 state->link = !!(stat & MDIO_STAT1_LSTATUS); in phylink_mii_c45_pcs_get_state()
2619 if (!state->link) in phylink_mii_c45_pcs_get_state()
2622 switch (state->interface) { in phylink_mii_c45_pcs_get_state()
2624 state->speed = SPEED_10000; in phylink_mii_c45_pcs_get_state()
2625 state->duplex = DUPLEX_FULL; in phylink_mii_c45_pcs_get_state()