Commit 9a1e3129 authored by Heiner Kallweit's avatar Heiner Kallweit Committed by David S. Miller
Browse files

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: default avatarHeiner Kallweit <hkallweit1@gmail.com>
Signed-off-by: default avatarDavid S. Miller <davem@davemloft.net>
parent 1bbe04e3

drivers/net/phy/phy-c45.c

+27 −0
Original line number Diff line number Diff line
@@ -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