diff mbox series

[net-next,V1,7/7] net: lan743x: Add support to ethtool phylink get and set settings

Message ID 20231017094208.4956-8-Raju.Lakkaraju@microchip.com (mailing list archive)
State Changes Requested
Delegated to: Netdev Maintainers
Headers show
Series Add support to PHYLINK and SFP for PCI11x1x chips | expand

Checks

Context Check Description
netdev/series_format success Posting correctly formatted
netdev/tree_selection success Clearly marked for net-next
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: 1360 this patch: 1360
netdev/cc_maintainers warning 3 maintainers not CCed: pabeni@redhat.com bryan.whitehead@microchip.com edumazet@google.com
netdev/build_clang success Errors and warnings before: 1385 this patch: 1385
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: 1385 this patch: 1385
netdev/checkpatch warning WARNING: line length of 81 exceeds 80 columns WARNING: line length of 87 exceeds 80 columns
netdev/kdoc success Errors and warnings before: 0 this patch: 0
netdev/source_inline success Was 0 now: 0

Commit Message

Raju Lakkaraju - I30499 Oct. 17, 2023, 9:42 a.m. UTC
Add support to ethtool phylink functions:
  - get/set settings like speed, duplex etc.
  - get/set the wake-on-lan (WOL)
  - get/set the energy-efficient ethernet (EEE)
  - get/set the pause

Signed-off-by: Raju Lakkaraju <Raju.Lakkaraju@microchip.com>
---
Change Log:                                                                     
===========                                                                     
V0 -> V1:                                                                       
  - Remove the phylib ethtool functions and support the phylink ethtool 

 .../net/ethernet/microchip/lan743x_ethtool.c  | 85 ++++++++-----------
 1 file changed, 34 insertions(+), 51 deletions(-)
diff mbox series

Patch

diff --git a/drivers/net/ethernet/microchip/lan743x_ethtool.c b/drivers/net/ethernet/microchip/lan743x_ethtool.c
index 9f825d0c6dec..349630baa29a 100644
--- a/drivers/net/ethernet/microchip/lan743x_ethtool.c
+++ b/drivers/net/ethernet/microchip/lan743x_ethtool.c
@@ -1055,19 +1055,10 @@  static int lan743x_ethtool_get_eee(struct net_device *netdev,
 				   struct ethtool_eee *eee)
 {
 	struct lan743x_adapter *adapter = netdev_priv(netdev);
-	struct phy_device *phydev = netdev->phydev;
 	u32 buf;
 	int ret;
 
-	if (!phydev)
-		return -EIO;
-	if (!phydev->drv) {
-		netif_err(adapter, drv, adapter->netdev,
-			  "Missing PHY Driver\n");
-		return -EIO;
-	}
-
-	ret = phy_ethtool_get_eee(phydev, eee);
+	ret = phylink_ethtool_get_eee(adapter->phylink, eee);
 	if (ret < 0)
 		return ret;
 
@@ -1093,32 +1084,15 @@  static int lan743x_ethtool_set_eee(struct net_device *netdev,
 				   struct ethtool_eee *eee)
 {
 	struct lan743x_adapter *adapter;
-	struct phy_device *phydev;
 	u32 buf = 0;
-	int ret = 0;
 
 	if (!netdev)
 		return -EINVAL;
 	adapter = netdev_priv(netdev);
 	if (!adapter)
 		return -EINVAL;
-	phydev = netdev->phydev;
-	if (!phydev)
-		return -EIO;
-	if (!phydev->drv) {
-		netif_err(adapter, drv, adapter->netdev,
-			  "Missing PHY Driver\n");
-		return -EIO;
-	}
 
 	if (eee->eee_enabled) {
-		ret = phy_init_eee(phydev, false);
-		if (ret) {
-			netif_err(adapter, drv, adapter->netdev,
-				  "EEE initialization failed\n");
-			return ret;
-		}
-
 		buf = (u32)eee->tx_lpi_timer;
 		lan743x_csr_write(adapter, MAC_EEE_TX_LPI_REQ_DLY_CNT, buf);
 
@@ -1131,7 +1105,23 @@  static int lan743x_ethtool_set_eee(struct net_device *netdev,
 		lan743x_csr_write(adapter, MAC_CR, buf);
 	}
 
-	return phy_ethtool_set_eee(phydev, eee);
+	return phylink_ethtool_set_eee(adapter->phylink, eee);
+}
+
+static int lan743x_ethtool_set_link_ksettings(struct net_device *netdev,
+					      const struct ethtool_link_ksettings *cmd)
+{
+	struct lan743x_adapter *adapter = netdev_priv(netdev);
+
+	return phylink_ethtool_ksettings_set(adapter->phylink, cmd);
+}
+
+static int lan743x_ethtool_get_link_ksettings(struct net_device *netdev,
+					      struct ethtool_link_ksettings *cmd)
+{
+	struct lan743x_adapter *adapter = netdev_priv(netdev);
+
+	return phylink_ethtool_ksettings_get(adapter->phylink, cmd);
 }
 
 #ifdef CONFIG_PM
@@ -1143,8 +1133,7 @@  static void lan743x_ethtool_get_wol(struct net_device *netdev,
 	wol->supported = 0;
 	wol->wolopts = 0;
 
-	if (netdev->phydev)
-		phy_ethtool_get_wol(netdev->phydev, wol);
+	phylink_ethtool_get_wol(adapter->phylink, wol);
 
 	wol->supported |= WAKE_BCAST | WAKE_UCAST | WAKE_MCAST |
 		WAKE_MAGIC | WAKE_PHY | WAKE_ARP;
@@ -1161,8 +1150,18 @@  static int lan743x_ethtool_set_wol(struct net_device *netdev,
 				   struct ethtool_wolinfo *wol)
 {
 	struct lan743x_adapter *adapter = netdev_priv(netdev);
+	int ret;
 
 	adapter->wolopts = 0;
+
+	/* Pass the order to phylink layer */
+	ret = phylink_ethtool_set_wol(adapter->phylink, wol);
+	/* Don't manage WoL on MAC if handled by the PHY
+	 * or if there's a failure in talking to the PHY
+	 */
+	if (!ret || ret != -EOPNOTSUPP)
+		return ret;
+
 	if (wol->wolopts & WAKE_UCAST)
 		adapter->wolopts |= WAKE_UCAST;
 	if (wol->wolopts & WAKE_MCAST)
@@ -1185,8 +1184,7 @@  static int lan743x_ethtool_set_wol(struct net_device *netdev,
 
 	device_set_wakeup_enable(&adapter->pdev->dev, (bool)wol->wolopts);
 
-	return netdev->phydev ? phy_ethtool_set_wol(netdev->phydev, wol)
-			: -ENETDOWN;
+	return 0;
 }
 #endif /* CONFIG_PM */
 
@@ -1342,28 +1340,16 @@  static void lan743x_get_pauseparam(struct net_device *dev,
 				   struct ethtool_pauseparam *pause)
 {
 	struct lan743x_adapter *adapter = netdev_priv(dev);
-	struct lan743x_phy *phy = &adapter->phy;
 
-	if (phy->fc_request_control & FLOW_CTRL_TX)
-		pause->tx_pause = 1;
-	if (phy->fc_request_control & FLOW_CTRL_RX)
-		pause->rx_pause = 1;
-	pause->autoneg = phy->fc_autoneg;
+	phylink_ethtool_get_pauseparam(adapter->phylink, pause);
 }
 
 static int lan743x_set_pauseparam(struct net_device *dev,
 				  struct ethtool_pauseparam *pause)
 {
 	struct lan743x_adapter *adapter = netdev_priv(dev);
-	struct phy_device *phydev = dev->phydev;
 	struct lan743x_phy *phy = &adapter->phy;
 
-	if (!phydev)
-		return -ENODEV;
-
-	if (!phy_validate_pause(phydev, pause))
-		return -EINVAL;
-
 	phy->fc_request_control = 0;
 	if (pause->rx_pause)
 		phy->fc_request_control |= FLOW_CTRL_RX;
@@ -1376,10 +1362,7 @@  static int lan743x_set_pauseparam(struct net_device *dev,
 	if (pause->autoneg == AUTONEG_DISABLE)
 		lan743x_mac_flow_ctrl_set_enables(adapter, pause->tx_pause,
 						  pause->rx_pause);
-	else
-		phy_set_asym_pause(phydev, pause->rx_pause,  pause->tx_pause);
-
-	return 0;
+	return phylink_ethtool_set_pauseparam(adapter->phylink, pause);
 }
 
 const struct ethtool_ops lan743x_ethtool_ops = {
@@ -1404,8 +1387,8 @@  const struct ethtool_ops lan743x_ethtool_ops = {
 	.get_ts_info = lan743x_ethtool_get_ts_info,
 	.get_eee = lan743x_ethtool_get_eee,
 	.set_eee = lan743x_ethtool_set_eee,
-	.get_link_ksettings = phy_ethtool_get_link_ksettings,
-	.set_link_ksettings = phy_ethtool_set_link_ksettings,
+	.get_link_ksettings = lan743x_ethtool_get_link_ksettings,
+	.set_link_ksettings = lan743x_ethtool_set_link_ksettings,
 	.get_regs_len = lan743x_get_regs_len,
 	.get_regs = lan743x_get_regs,
 	.get_pauseparam = lan743x_get_pauseparam,