From nobody Mon Sep 8 12:00:21 2025 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by smtp.lore.kernel.org (Postfix) with ESMTP id 4D807CDB474 for ; Tue, 17 Oct 2023 09:44:27 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S235000AbjJQJo0 (ORCPT ); Tue, 17 Oct 2023 05:44:26 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:54782 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S234998AbjJQJoP (ORCPT ); Tue, 17 Oct 2023 05:44:15 -0400 Received: from esa.microchip.iphmx.com (esa.microchip.iphmx.com [68.232.154.123]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 7DF97103; Tue, 17 Oct 2023 02:44:12 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=microchip.com; i=@microchip.com; q=dns/txt; s=mchp; t=1697535852; x=1729071852; h=from:to:cc:subject:date:message-id:in-reply-to: references:mime-version:content-transfer-encoding; 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Tue, 17 Oct 2023 02:43:42 -0700 Received: from HYD-DK-UNGSW21.microchip.com (10.10.85.11) by chn-vm-ex01.mchp-main.com (10.10.85.143) with Microsoft SMTP Server id 15.1.2507.21 via Frontend Transport; Tue, 17 Oct 2023 02:43:39 -0700 From: Raju Lakkaraju To: CC: , , , , , , Subject: [PATCH net-next V1 7/7] net: lan743x: Add support to ethtool phylink get and set settings Date: Tue, 17 Oct 2023 15:12:08 +0530 Message-ID: <20231017094208.4956-8-Raju.Lakkaraju@microchip.com> X-Mailer: git-send-email 2.34.1 In-Reply-To: <20231017094208.4956-1-Raju.Lakkaraju@microchip.com> References: <20231017094208.4956-1-Raju.Lakkaraju@microchip.com> MIME-Version: 1.0 Content-Transfer-Encoding: quoted-printable Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Type: text/plain; charset="utf-8" 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 --- Change Log: = =20 =3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D = =20 V0 -> V1: = =20 - Remove the phylib ethtool functions and support the phylink ethtool=20 .../net/ethernet/microchip/lan743x_ethtool.c | 85 ++++++++----------- 1 file changed, 34 insertions(+), 51 deletions(-) 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_devic= e *netdev, struct ethtool_eee *eee) { struct lan743x_adapter *adapter =3D netdev_priv(netdev); - struct phy_device *phydev =3D netdev->phydev; u32 buf; int ret; =20 - if (!phydev) - return -EIO; - if (!phydev->drv) { - netif_err(adapter, drv, adapter->netdev, - "Missing PHY Driver\n"); - return -EIO; - } - - ret =3D phy_ethtool_get_eee(phydev, eee); + ret =3D phylink_ethtool_get_eee(adapter->phylink, eee); if (ret < 0) return ret; =20 @@ -1093,32 +1084,15 @@ static int lan743x_ethtool_set_eee(struct net_devic= e *netdev, struct ethtool_eee *eee) { struct lan743x_adapter *adapter; - struct phy_device *phydev; u32 buf =3D 0; - int ret =3D 0; =20 if (!netdev) return -EINVAL; adapter =3D netdev_priv(netdev); if (!adapter) return -EINVAL; - phydev =3D netdev->phydev; - if (!phydev) - return -EIO; - if (!phydev->drv) { - netif_err(adapter, drv, adapter->netdev, - "Missing PHY Driver\n"); - return -EIO; - } =20 if (eee->eee_enabled) { - ret =3D phy_init_eee(phydev, false); - if (ret) { - netif_err(adapter, drv, adapter->netdev, - "EEE initialization failed\n"); - return ret; - } - buf =3D (u32)eee->tx_lpi_timer; lan743x_csr_write(adapter, MAC_EEE_TX_LPI_REQ_DLY_CNT, buf); =20 @@ -1131,7 +1105,23 @@ static int lan743x_ethtool_set_eee(struct net_device= *netdev, lan743x_csr_write(adapter, MAC_CR, buf); } =20 - 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 =3D 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 =3D netdev_priv(netdev); + + return phylink_ethtool_ksettings_get(adapter->phylink, cmd); } =20 #ifdef CONFIG_PM @@ -1143,8 +1133,7 @@ static void lan743x_ethtool_get_wol(struct net_device= *netdev, wol->supported =3D 0; wol->wolopts =3D 0; =20 - if (netdev->phydev) - phy_ethtool_get_wol(netdev->phydev, wol); + phylink_ethtool_get_wol(adapter->phylink, wol); =20 wol->supported |=3D 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 =3D netdev_priv(netdev); + int ret; =20 adapter->wolopts =3D 0; + + /* Pass the order to phylink layer */ + ret =3D 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 !=3D -EOPNOTSUPP) + return ret; + if (wol->wolopts & WAKE_UCAST) adapter->wolopts |=3D WAKE_UCAST; if (wol->wolopts & WAKE_MCAST) @@ -1185,8 +1184,7 @@ static int lan743x_ethtool_set_wol(struct net_device = *netdev, =20 device_set_wakeup_enable(&adapter->pdev->dev, (bool)wol->wolopts); =20 - return netdev->phydev ? phy_ethtool_set_wol(netdev->phydev, wol) - : -ENETDOWN; + return 0; } #endif /* CONFIG_PM */ =20 @@ -1342,28 +1340,16 @@ static void lan743x_get_pauseparam(struct net_devic= e *dev, struct ethtool_pauseparam *pause) { struct lan743x_adapter *adapter =3D netdev_priv(dev); - struct lan743x_phy *phy =3D &adapter->phy; =20 - if (phy->fc_request_control & FLOW_CTRL_TX) - pause->tx_pause =3D 1; - if (phy->fc_request_control & FLOW_CTRL_RX) - pause->rx_pause =3D 1; - pause->autoneg =3D phy->fc_autoneg; + phylink_ethtool_get_pauseparam(adapter->phylink, pause); } =20 static int lan743x_set_pauseparam(struct net_device *dev, struct ethtool_pauseparam *pause) { struct lan743x_adapter *adapter =3D netdev_priv(dev); - struct phy_device *phydev =3D dev->phydev; struct lan743x_phy *phy =3D &adapter->phy; =20 - if (!phydev) - return -ENODEV; - - if (!phy_validate_pause(phydev, pause)) - return -EINVAL; - phy->fc_request_control =3D 0; if (pause->rx_pause) phy->fc_request_control |=3D FLOW_CTRL_RX; @@ -1376,10 +1362,7 @@ static int lan743x_set_pauseparam(struct net_device = *dev, if (pause->autoneg =3D=3D 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); } =20 const struct ethtool_ops lan743x_ethtool_ops =3D { @@ -1404,8 +1387,8 @@ const struct ethtool_ops lan743x_ethtool_ops =3D { .get_ts_info =3D lan743x_ethtool_get_ts_info, .get_eee =3D lan743x_ethtool_get_eee, .set_eee =3D lan743x_ethtool_set_eee, - .get_link_ksettings =3D phy_ethtool_get_link_ksettings, - .set_link_ksettings =3D phy_ethtool_set_link_ksettings, + .get_link_ksettings =3D lan743x_ethtool_get_link_ksettings, + .set_link_ksettings =3D lan743x_ethtool_set_link_ksettings, .get_regs_len =3D lan743x_get_regs_len, .get_regs =3D lan743x_get_regs, .get_pauseparam =3D lan743x_get_pauseparam, --=20 2.34.1