diff options
Diffstat (limited to 'drivers/net/phy/phylink.c')
| -rw-r--r-- | drivers/net/phy/phylink.c | 45 |
1 files changed, 34 insertions, 11 deletions
diff --git a/drivers/net/phy/phylink.c b/drivers/net/phy/phylink.c index 97c15e1f81de..5d8f8b84908c 100644 --- a/drivers/net/phy/phylink.c +++ b/drivers/net/phy/phylink.c @@ -71,6 +71,7 @@ struct phylink { struct mutex state_mutex; struct phylink_link_state phy_state; struct work_struct resolve; + unsigned int pcs_neg_mode; bool mac_link_dropped; bool using_mac_select_pcs; @@ -992,23 +993,23 @@ static void phylink_resolve_an_pause(struct phylink_link_state *state) } } -static int phylink_pcs_config(struct phylink_pcs *pcs, unsigned int mode, +static int phylink_pcs_config(struct phylink_pcs *pcs, unsigned int neg_mode, const struct phylink_link_state *state, bool permit_pause_to_mac) { if (!pcs) return 0; - return pcs->ops->pcs_config(pcs, mode, state->interface, + return pcs->ops->pcs_config(pcs, neg_mode, state->interface, state->advertising, permit_pause_to_mac); } -static void phylink_pcs_link_up(struct phylink_pcs *pcs, unsigned int mode, +static void phylink_pcs_link_up(struct phylink_pcs *pcs, unsigned int neg_mode, phy_interface_t interface, int speed, int duplex) { if (pcs && pcs->ops->pcs_link_up) - pcs->ops->pcs_link_up(pcs, mode, interface, speed, duplex); + pcs->ops->pcs_link_up(pcs, neg_mode, interface, speed, duplex); } static void phylink_pcs_poll_stop(struct phylink *pl) @@ -1058,10 +1059,15 @@ static void phylink_major_config(struct phylink *pl, bool restart, struct phylink_pcs *pcs = NULL; bool pcs_changed = false; unsigned int rate_kbd; + unsigned int neg_mode; int err; phylink_dbg(pl, "major config %s\n", phy_modes(state->interface)); + pl->pcs_neg_mode = phylink_pcs_neg_mode(pl->cur_link_an_mode, + state->interface, + state->advertising); + if (pl->using_mac_select_pcs) { pcs = pl->mac_ops->mac_select_pcs(pl->config, state->interface); if (IS_ERR(pcs)) { @@ -1094,9 +1100,12 @@ static void phylink_major_config(struct phylink *pl, bool restart, phylink_mac_config(pl, state); - err = phylink_pcs_config(pl->pcs, pl->cur_link_an_mode, state, - !!(pl->link_config.pause & - MLO_PAUSE_AN)); + neg_mode = pl->cur_link_an_mode; + if (pl->pcs && pl->pcs->neg_mode) + neg_mode = pl->pcs_neg_mode; + + err = phylink_pcs_config(pl->pcs, neg_mode, state, + !!(pl->link_config.pause & MLO_PAUSE_AN)); if (err < 0) phylink_err(pl, "pcs_config failed: %pe\n", ERR_PTR(err)); @@ -1131,6 +1140,7 @@ static void phylink_major_config(struct phylink *pl, bool restart, */ static int phylink_change_inband_advert(struct phylink *pl) { + unsigned int neg_mode; int ret; if (test_bit(PHYLINK_DISABLE_STOPPED, &pl->phylink_disable_state)) @@ -1149,12 +1159,20 @@ static int phylink_change_inband_advert(struct phylink *pl) __ETHTOOL_LINK_MODE_MASK_NBITS, pl->link_config.advertising, pl->link_config.pause); + /* Recompute the PCS neg mode */ + pl->pcs_neg_mode = phylink_pcs_neg_mode(pl->cur_link_an_mode, + pl->link_config.interface, + pl->link_config.advertising); + + neg_mode = pl->cur_link_an_mode; + if (pl->pcs->neg_mode) + neg_mode = pl->pcs_neg_mode; + /* Modern PCS-based method; update the advert at the PCS, and * restart negotiation if the pcs_config() helper indicates that * the programmed advertisement has changed. */ - ret = phylink_pcs_config(pl->pcs, pl->cur_link_an_mode, - &pl->link_config, + ret = phylink_pcs_config(pl->pcs, neg_mode, &pl->link_config, !!(pl->link_config.pause & MLO_PAUSE_AN)); if (ret < 0) return ret; @@ -1257,6 +1275,7 @@ static void phylink_link_up(struct phylink *pl, struct phylink_link_state link_state) { struct net_device *ndev = pl->netdev; + unsigned int neg_mode; int speed, duplex; bool rx_pause; @@ -1287,8 +1306,12 @@ static void phylink_link_up(struct phylink *pl, pl->cur_interface = link_state.interface; - phylink_pcs_link_up(pl->pcs, pl->cur_link_an_mode, pl->cur_interface, - speed, duplex); + neg_mode = pl->cur_link_an_mode; + if (pl->pcs && pl->pcs->neg_mode) + neg_mode = pl->pcs_neg_mode; + + phylink_pcs_link_up(pl->pcs, neg_mode, pl->cur_interface, speed, + duplex); pl->mac_ops->mac_link_up(pl->config, pl->phydev, pl->cur_link_an_mode, pl->cur_interface, speed, duplex, |