linux-kernel - [PATCH net-next v5 3/9] net: qlogic: qede: Use linkmode helpers for EEE

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Date: Mon, 26 Feb 2024 19:29:09 -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>, Simon Horman <horms@...nel.org>
Subject: [PATCH net-next v5 3/9] net: qlogic: qede: Use linkmode helpers
 for EEE

Make use of the existing linkmode helpers for bit manipulation of EEE
advertise, support and link partner support. The aim is to drop the
restricted _u32 variants in the near future.

Reviewed-by: Simon Horman <horms@...nel.org>
Signed-off-by: Andrew Lunn <andrew@...n.ch>
---
 drivers/net/ethernet/qlogic/qede/qede_ethtool.c | 60 ++++++++++++++++---------
 1 file changed, 38 insertions(+), 22 deletions(-)

diff --git a/drivers/net/ethernet/qlogic/qede/qede_ethtool.c b/drivers/net/ethernet/qlogic/qede/qede_ethtool.c
index dfa15619fd78..ae3ebf0cf999 100644
--- a/drivers/net/ethernet/qlogic/qede/qede_ethtool.c
+++ b/drivers/net/ethernet/qlogic/qede/qede_ethtool.c
@@ -1789,18 +1789,26 @@ static int qede_get_eee(struct net_device *dev, struct ethtool_keee *edata)
 		return -EOPNOTSUPP;
 	}
 
-	if (current_link.eee.adv_caps & QED_EEE_1G_ADV)
-		edata->advertised_u32 = ADVERTISED_1000baseT_Full;
-	if (current_link.eee.adv_caps & QED_EEE_10G_ADV)
-		edata->advertised_u32 |= ADVERTISED_10000baseT_Full;
-	if (current_link.sup_caps & QED_EEE_1G_ADV)
-		edata->supported_u32 = ADVERTISED_1000baseT_Full;
-	if (current_link.sup_caps & QED_EEE_10G_ADV)
-		edata->supported_u32 |= ADVERTISED_10000baseT_Full;
-	if (current_link.eee.lp_adv_caps & QED_EEE_1G_ADV)
-		edata->lp_advertised_u32 = ADVERTISED_1000baseT_Full;
-	if (current_link.eee.lp_adv_caps & QED_EEE_10G_ADV)
-		edata->lp_advertised_u32 |= ADVERTISED_10000baseT_Full;
+	linkmode_mod_bit(ETHTOOL_LINK_MODE_1000baseT_Full_BIT,
+			 edata->advertised,
+			 current_link.eee.adv_caps & QED_EEE_1G_ADV);
+	linkmode_mod_bit(ETHTOOL_LINK_MODE_10000baseT_Full_BIT,
+			 edata->advertised,
+			 current_link.eee.adv_caps & QED_EEE_10G_ADV);
+
+	linkmode_mod_bit(ETHTOOL_LINK_MODE_1000baseT_Full_BIT,
+			 edata->supported,
+			 current_link.sup_caps & QED_EEE_1G_ADV);
+	linkmode_mod_bit(ETHTOOL_LINK_MODE_10000baseT_Full_BIT,
+			 edata->supported,
+			 current_link.sup_caps & QED_EEE_10G_ADV);
+
+	linkmode_mod_bit(ETHTOOL_LINK_MODE_1000baseT_Full_BIT,
+			 edata->lp_advertised,
+			 current_link.eee.lp_adv_caps & QED_EEE_1G_ADV);
+	linkmode_mod_bit(ETHTOOL_LINK_MODE_10000baseT_Full_BIT,
+			 edata->lp_advertised,
+			 current_link.eee.lp_adv_caps & QED_EEE_10G_ADV);
 
 	edata->tx_lpi_timer = current_link.eee.tx_lpi_timer;
 	edata->eee_enabled = current_link.eee.enable;
@@ -1812,9 +1820,12 @@ static int qede_get_eee(struct net_device *dev, struct ethtool_keee *edata)
 
 static int qede_set_eee(struct net_device *dev, struct ethtool_keee *edata)
 {
+	__ETHTOOL_DECLARE_LINK_MODE_MASK(supported) = {};
+	__ETHTOOL_DECLARE_LINK_MODE_MASK(tmp) = {};
 	struct qede_dev *edev = netdev_priv(dev);
 	struct qed_link_output current_link;
 	struct qed_link_params params;
+	bool unsupp;
 
 	if (!edev->ops->common->can_link_change(edev->cdev)) {
 		DP_INFO(edev, "Link settings are not allowed to be changed\n");
@@ -1832,21 +1843,26 @@ static int qede_set_eee(struct net_device *dev, struct ethtool_keee *edata)
 	memset(&params, 0, sizeof(params));
 	params.override_flags |= QED_LINK_OVERRIDE_EEE_CONFIG;
 
-	if (!(edata->advertised_u32 & (ADVERTISED_1000baseT_Full |
-				       ADVERTISED_10000baseT_Full)) ||
-	    ((edata->advertised_u32 & (ADVERTISED_1000baseT_Full |
-				       ADVERTISED_10000baseT_Full)) !=
-	     edata->advertised_u32)) {
+	linkmode_set_bit(ETHTOOL_LINK_MODE_10000baseT_Full_BIT,
+			 supported);
+	linkmode_set_bit(ETHTOOL_LINK_MODE_1000baseT_Full_BIT,
+			 supported);
+
+	unsupp = linkmode_andnot(tmp, edata->advertised, supported);
+	if (unsupp) {
 		DP_VERBOSE(edev, QED_MSG_DEBUG,
-			   "Invalid advertised capabilities %d\n",
-			   edata->advertised_u32);
+			   "Invalid advertised capabilities %*pb\n",
+			   __ETHTOOL_LINK_MODE_MASK_NBITS, edata->advertised);
 		return -EINVAL;
 	}
 
-	if (edata->advertised_u32 & ADVERTISED_1000baseT_Full)
+	if (linkmode_test_bit(ETHTOOL_LINK_MODE_1000baseT_Full_BIT,
+			      edata->advertised))
 		params.eee.adv_caps = QED_EEE_1G_ADV;
-	if (edata->advertised_u32 & ADVERTISED_10000baseT_Full)
-		params.eee.adv_caps |= QED_EEE_10G_ADV;
+	if (linkmode_test_bit(ETHTOOL_LINK_MODE_10000baseT_Full_BIT,
+			      edata->advertised))
+		params.eee.adv_caps = QED_EEE_10G_ADV;
+
 	params.eee.enable = edata->eee_enabled;
 	params.eee.tx_lpi_enable = edata->tx_lpi_enabled;
 	params.eee.tx_lpi_timer = edata->tx_lpi_timer;

-- 
2.43.0