diff mbox series

[net-next,5/5] net: phy: c45: add support for MDIO_AN_EEE_ADV2

Message ID e04d38d9-cb0d-41c2-84b2-2ddfd9a4c5ef@gmail.com (mailing list archive)
State Accepted
Commit 9a1e31299decfb4fc134933dbb6c34236187173f
Delegated to: Netdev Maintainers
Headers show
Series net: phy: add support for the EEE 2 registers | expand

Checks

Context Check Description
netdev/series_format success Posting correctly formatted
netdev/tree_selection success Clearly marked for net-next
netdev/ynl success Generated files up to date; no warnings/errors; no diff in generated;
netdev/fixes_present success Fixes tag not required for -next series
netdev/header_inline success No static functions without inline keyword in header files
netdev/build_32bit success Errors and warnings before: 989 this patch: 989
netdev/build_tools success No tools touched, skip
netdev/cc_maintainers success CCed 7 of 7 maintainers
netdev/build_clang success Errors and warnings before: 1006 this patch: 1006
netdev/verify_signedoff success Signed-off-by tag matches author and committer
netdev/deprecated_api success None detected
netdev/check_selftest success No net selftest shell script
netdev/verify_fixes success No Fixes tag
netdev/build_allmodconfig_warn success Errors and warnings before: 1006 this patch: 1006
netdev/checkpatch success total: 0 errors, 0 warnings, 0 checks, 39 lines checked
netdev/build_clang_rust success No Rust files in patch. Skipping build
netdev/kdoc success Errors and warnings before: 0 this patch: 0
netdev/source_inline success Was 0 now: 0
netdev/contest success net-next-2024-02-16--21-00 (tests: 1448)

Commit Message

Heiner Kallweit Feb. 14, 2024, 8:19 p.m. UTC 
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>
---
 drivers/net/phy/phy-c45.c | 27 +++++++++++++++++++++++++++
 1 file changed, 27 insertions(+)
diff mbox series

Patch

diff --git a/drivers/net/phy/phy-c45.c b/drivers/net/phy/phy-c45.c
index b09c6baf0..c69568e76 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