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authorHeiner Kallweit <hkallweit1@gmail.com>2024-02-14 21:19:47 +0100
committerDavid S. Miller <davem@davemloft.net>2024-02-17 18:45:06 +0000
commit9a1e31299decfb4fc134933dbb6c34236187173f (patch)
tree4b4f8828cf14b7c7d18c830aab902db9611b7544 /drivers
parent1bbe04e305fb2b5127650e6f2c0dbd611e8ebb14 (diff)
net: phy: c45: add support for MDIO_AN_EEE_ADV2
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>
Diffstat (limited to 'drivers')
-rw-r--r--drivers/net/phy/phy-c45.c27
1 files changed, 27 insertions, 0 deletions
diff --git a/drivers/net/phy/phy-c45.c b/drivers/net/phy/phy-c45.c
index b09c6baf0c08..c69568e7695e 100644
--- a/drivers/net/phy/phy-c45.c
+++ b/drivers/net/phy/phy-c45.c
@@ -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