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net: phy: c45: add support for MDIO_AN_EEE_ADV2

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Add support for handling the EEE advertisement 2 register.
For now only 2500baseT and 5000baseT modes are supported.

Signed-off-by: Heiner Kallweit <hkallweit1@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Heiner Kallweit 2024-02-14 21:19:47 +01:00 committed by David S. Miller
parent 1bbe04e305
commit 9a1e31299d
1 changed files with 27 additions and 0 deletions
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27
drivers/net/phy/phy-c45.c
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@ -706,6 +706,22 @@ int genphy_c45_write_eee_adv(struct phy_device *phydev, unsigned long *adv)
changed = 1;
}
if (linkmode_intersects(phydev->supported_eee, PHY_EEE_CAP2_FEATURES)) {
val = linkmode_to_mii_eee_cap2_t(adv);
/* IEEE 802.3-2022 45.2.7.16 EEE advertisement 2
* (Register 7.62)
*/
val = phy_modify_mmd_changed(phydev, MDIO_MMD_AN,
MDIO_AN_EEE_ADV2,
MDIO_EEE_2_5GT | MDIO_EEE_5GT,
val);
if (val < 0)
return val;
if (val > 0)
changed = 1;
}
if (linkmode_test_bit(ETHTOOL_LINK_MODE_10baseT1L_Full_BIT,
phydev->supported_eee)) {
val = linkmode_adv_to_mii_10base_t1_t(adv);
@ -745,6 +761,17 @@ int genphy_c45_read_eee_adv(struct phy_device *phydev, unsigned long *adv)
mii_eee_cap1_mod_linkmode_t(adv, val);
}
if (linkmode_intersects(phydev->supported_eee, PHY_EEE_CAP2_FEATURES)) {
/* IEEE 802.3-2022 45.2.7.16 EEE advertisement 2
* (Register 7.62)
*/
val = phy_read_mmd(phydev, MDIO_MMD_AN, MDIO_AN_EEE_ADV2);
if (val < 0)
return val;
mii_eee_cap2_mod_linkmode_adv_t(adv, val);
}
if (linkmode_test_bit(ETHTOOL_LINK_MODE_10baseT1L_Full_BIT,
phydev->supported_eee)) {
/* IEEE 802.3cg-2019 45.2.7.25 10BASE-T1 AN control register