diff options
| author | Russell King <rmk+kernel@armlinux.org.uk> | 2020-08-16 09:32:18 +0100 |
|---|---|---|
| committer | Russell King (Oracle) <rmk+kernel@armlinux.org.uk> | 2021-09-19 13:22:20 +0100 |
| commit | e16986770e91289be92da37245e9a4bf668f24bd (patch) | |
| tree | aee19540b3cf168000d59d4fe344becf7927d44c | |
| parent | 74505eaba6278e9e554e9d7fd42e7bd720477b35 (diff) | |
net: phy: pass supported PHY interface types to phylib
Pass the supported PHY interface types to phylib so that PHY drivers
can select an appropriate host configuration mode for their interface
according to the host capabilities.
This is only done for SFP modules presently.
Signed-off-by: Russell King <rmk+kernel@armlinux.org.uk>
| -rw-r--r-- | drivers/net/phy/phylink.c | 18 | ||||
| -rw-r--r-- | include/linux/phy.h | 3 |
2 files changed, 21 insertions, 0 deletions
diff --git a/drivers/net/phy/phylink.c b/drivers/net/phy/phylink.c index 1454e8d199de..7479040ce98a 100644 --- a/drivers/net/phy/phylink.c +++ b/drivers/net/phy/phylink.c @@ -2152,6 +2152,8 @@ static void phylink_sfp_detach(void *upstream, struct sfp_bus *bus) pl->netdev->sfp_bus = NULL; } +static DECLARE_PHY_INTERFACE_MASK(phylink_sfp_interfaces); + static const phy_interface_t phylink_sfp_interface_preference[] = { PHY_INTERFACE_MODE_USXGMII, PHY_INTERFACE_MODE_10GBASER, @@ -2375,6 +2377,10 @@ static int phylink_sfp_connect_phy(void *upstream, struct phy_device *phy) else mode = MLO_AN_INBAND; + /* Set the PHY's host supported interfaces */ + phy_interface_and(phy->host_interfaces, phylink_sfp_interfaces, + pl->config->supported_interfaces); + /* Do the initial configuration */ ret = phylink_sfp_config(pl, mode, phy->supported, phy->advertising); if (ret < 0) @@ -2763,4 +2769,16 @@ void phylink_mii_c45_pcs_get_state(struct mdio_device *pcs, } EXPORT_SYMBOL_GPL(phylink_mii_c45_pcs_get_state); +static int __init phylink_init(void) +{ + int i; + + for (i = 0; i < ARRAY_SIZE(phylink_sfp_interface_preference); i++) + set_bit(phylink_sfp_interface_preference[i], + phylink_sfp_interfaces); + + return 0; +} +module_init(phylink_init); + MODULE_LICENSE("GPL v2"); diff --git a/include/linux/phy.h b/include/linux/phy.h index 92e174a35fde..ef3d16e91ae1 100644 --- a/include/linux/phy.h +++ b/include/linux/phy.h @@ -647,6 +647,9 @@ struct phy_device { /* used with phy_speed_down */ __ETHTOOL_DECLARE_LINK_MODE_MASK(adv_old); + /* supported PHY interface types */ + DECLARE_PHY_INTERFACE_MASK(host_interfaces); + /* Energy efficient ethernet modes which should be prohibited */ u32 eee_broken_modes; |