linux-kernel - [PATCH net-next v3 7/8] net: intel: igb: Use linkmode helpers for EEE

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Message-Id: <20240217-keee-u32-cleanup-v3-7-fcf6b62a0c7f@lunn.ch>
Date: Sat, 17 Feb 2024 12:08:28 -0600
From: Andrew Lunn <andrew@...n.ch>
To: "David S. Miller" <davem@...emloft.net>, 
 Eric Dumazet <edumazet@...gle.com>, Jakub Kicinski <kuba@...nel.org>, 
 Paolo Abeni <pabeni@...hat.com>, Ariel Elior <aelior@...vell.com>, 
 Manish Chopra <manishc@...vell.com>, 
 Jesse Brandeburg <jesse.brandeburg@...el.com>, 
 Tony Nguyen <anthony.l.nguyen@...el.com>
Cc: linux-usb@...r.kernel.org, netdev@...r.kernel.org, 
 linux-kernel@...r.kernel.org, intel-wired-lan@...ts.osuosl.org, 
 Andrew Lunn <andrew@...n.ch>
Subject: [PATCH net-next v3 7/8] net: intel: igb: Use linkmode helpers for
 EEE

Make use of the existing linkmode helpers for converting PHY EEE
register values into links modes, now that ethtool_keee uses link
modes, rather than u32 values.

Signed-off-by: Andrew Lunn <andrew@...n.ch>
---
 drivers/net/ethernet/intel/igb/igb_ethtool.c | 33 ++++++++++++++++++----------
 1 file changed, 22 insertions(+), 11 deletions(-)

diff --git a/drivers/net/ethernet/intel/igb/igb_ethtool.c b/drivers/net/ethernet/intel/igb/igb_ethtool.c
index b87b23d2151c..5da50574a28c 100644
--- a/drivers/net/ethernet/intel/igb/igb_ethtool.c
+++ b/drivers/net/ethernet/intel/igb/igb_ethtool.c
@@ -3038,11 +3038,13 @@ static int igb_get_eee(struct net_device *netdev, struct ethtool_keee *edata)
 	    (hw->phy.media_type != e1000_media_type_copper))
 		return -EOPNOTSUPP;
 
-	edata->supported_u32 = (SUPPORTED_1000baseT_Full |
-				SUPPORTED_100baseT_Full);
+	linkmode_set_bit(ETHTOOL_LINK_MODE_1000baseT_Full_BIT,
+			 edata->supported);
+	linkmode_set_bit(ETHTOOL_LINK_MODE_100baseT_Full_BIT,
+			 edata->supported);
 	if (!hw->dev_spec._82575.eee_disable)
-		edata->advertised_u32 =
-			mmd_eee_adv_to_ethtool_adv_t(adapter->eee_advert);
+		mii_eee_cap1_mod_linkmode_t(edata->advertised,
+					    adapter->eee_advert);
 
 	/* The IPCNFG and EEER registers are not supported on I354. */
 	if (hw->mac.type == e1000_i354) {
@@ -3068,7 +3070,7 @@ static int igb_get_eee(struct net_device *netdev, struct ethtool_keee *edata)
 		if (ret_val)
 			return -ENODATA;
 
-		edata->lp_advertised_u32 = mmd_eee_adv_to_ethtool_adv_t(phy_data);
+		mii_eee_cap1_mod_linkmode_t(edata->lp_advertised, phy_data);
 		break;
 	case e1000_i354:
 	case e1000_i210:
@@ -3099,7 +3101,7 @@ static int igb_get_eee(struct net_device *netdev, struct ethtool_keee *edata)
 		edata->eee_enabled = false;
 		edata->eee_active = false;
 		edata->tx_lpi_enabled = false;
-		edata->advertised_u32 &= ~edata->advertised_u32;
+		linkmode_zero(edata->advertised);
 	}
 
 	return 0;
@@ -3109,6 +3111,8 @@ static int igb_set_eee(struct net_device *netdev,
 		       struct ethtool_keee *edata)
 {
 	struct igb_adapter *adapter = netdev_priv(netdev);
+	__ETHTOOL_DECLARE_LINK_MODE_MASK(supported) = {};
+	__ETHTOOL_DECLARE_LINK_MODE_MASK(tmp) = {};
 	struct e1000_hw *hw = &adapter->hw;
 	struct ethtool_keee eee_curr;
 	bool adv1g_eee = true, adv100m_eee = true;
@@ -3138,14 +3142,21 @@ static int igb_set_eee(struct net_device *netdev,
 			return -EINVAL;
 		}
 
-		if (!edata->advertised_u32 || (edata->advertised_u32 &
-		    ~(ADVERTISE_100_FULL | ADVERTISE_1000_FULL))) {
+		linkmode_set_bit(ETHTOOL_LINK_MODE_1000baseT_Full_BIT,
+				 supported);
+		linkmode_set_bit(ETHTOOL_LINK_MODE_100baseT_Full_BIT,
+				 supported);
+		if (linkmode_andnot(tmp, edata->advertised, supported)) {
 			dev_err(&adapter->pdev->dev,
 				"EEE Advertisement supports only 100Tx and/or 100T full duplex\n");
 			return -EINVAL;
 		}
-		adv100m_eee = !!(edata->advertised_u32 & ADVERTISE_100_FULL);
-		adv1g_eee = !!(edata->advertised_u32 & ADVERTISE_1000_FULL);
+		adv100m_eee = linkmode_test_bit(
+			ETHTOOL_LINK_MODE_100baseT_Full_BIT,
+			edata->advertised);
+		adv1g_eee = linkmode_test_bit(
+			ETHTOOL_LINK_MODE_1000baseT_Full_BIT,
+			edata->advertised);
 
 	} else if (!edata->eee_enabled) {
 		dev_err(&adapter->pdev->dev,
@@ -3153,7 +3164,7 @@ static int igb_set_eee(struct net_device *netdev,
 		return -EINVAL;
 	}
 
-	adapter->eee_advert = ethtool_adv_to_mmd_eee_adv_t(edata->advertised_u32);
+	adapter->eee_advert = linkmode_to_mii_eee_cap1_t(edata->advertised);
 	if (hw->dev_spec._82575.eee_disable != !edata->eee_enabled) {
 		hw->dev_spec._82575.eee_disable = !edata->eee_enabled;
 		adapter->flags |= IGB_FLAG_EEE;

-- 
2.43.0