diff options
Diffstat (limited to 'drivers/net/phy/phylink.c')
| -rw-r--r-- | drivers/net/phy/phylink.c | 45 |
1 files changed, 44 insertions, 1 deletions
diff --git a/drivers/net/phy/phylink.c b/drivers/net/phy/phylink.c index 51c526d227fa..4309317de3d1 100644 --- a/drivers/net/phy/phylink.c +++ b/drivers/net/phy/phylink.c @@ -1636,6 +1636,48 @@ static int phylink_register_sfp(struct phylink *pl, } /** + * phylink_set_fixed_link() - set the fixed link + * @pl: a pointer to a &struct phylink returned from phylink_create() + * @state: a pointer to a struct phylink_link_state. + * + * This function is used when the link parameters are known and do not change, + * making it suitable for certain types of network connections. + * + * Returns: zero on success or negative error code. + */ +int phylink_set_fixed_link(struct phylink *pl, + const struct phylink_link_state *state) +{ + const struct phy_setting *s; + unsigned long *adv; + + if (pl->cfg_link_an_mode != MLO_AN_PHY || !state || + !test_bit(PHYLINK_DISABLE_STOPPED, &pl->phylink_disable_state)) + return -EINVAL; + + s = phy_lookup_setting(state->speed, state->duplex, + pl->supported, true); + if (!s) + return -EINVAL; + + adv = pl->link_config.advertising; + linkmode_zero(adv); + linkmode_set_bit(s->bit, adv); + linkmode_set_bit(ETHTOOL_LINK_MODE_Autoneg_BIT, adv); + + pl->link_config.speed = state->speed; + pl->link_config.duplex = state->duplex; + pl->link_config.link = 1; + pl->link_config.an_complete = 1; + + pl->cfg_link_an_mode = MLO_AN_FIXED; + pl->cur_link_an_mode = pl->cfg_link_an_mode; + + return 0; +} +EXPORT_SYMBOL_GPL(phylink_set_fixed_link); + +/** * phylink_create() - create a phylink instance * @config: a pointer to the target &struct phylink_config * @fwnode: a pointer to a &struct fwnode_handle describing the network @@ -3423,7 +3465,8 @@ static int phylink_sfp_connect_phy(void *upstream, struct phy_device *phy) return ret; } -static void phylink_sfp_disconnect_phy(void *upstream) +static void phylink_sfp_disconnect_phy(void *upstream, + struct phy_device *phydev) { phylink_disconnect_phy(upstream); } |