From patchwork Fri Mar 3 16:42:38 2023 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Kory Maincent X-Patchwork-Id: 13158995 X-Patchwork-Delegate: kuba@kernel.org 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 44534C7EE2D for ; Fri, 3 Mar 2023 16:43:13 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S231171AbjCCQnL (ORCPT ); Fri, 3 Mar 2023 11:43:11 -0500 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:49512 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S231254AbjCCQnI (ORCPT ); Fri, 3 Mar 2023 11:43:08 -0500 Received: from relay2-d.mail.gandi.net (relay2-d.mail.gandi.net [217.70.183.194]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id B9DA3BBAF; Fri, 3 Mar 2023 08:43:05 -0800 (PST) Received: (Authenticated sender: kory.maincent@bootlin.com) by mail.gandi.net (Postfix) with ESMTPSA id EB74C40003; Fri, 3 Mar 2023 16:43:01 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=bootlin.com; s=gm1; t=1677861784; h=from:from:reply-to:subject:subject:date:date:message-id:message-id: to:to:cc:cc:mime-version:mime-version: content-transfer-encoding:content-transfer-encoding: in-reply-to:in-reply-to:references:references; bh=//XnOC4QFhmJ7i1YYoN/2+RccvSoeB5H6nk0zPIwbOo=; b=CfYES1Mn4SKovvzDlfSASlocr5IrxtmT4WFJGnwtTM9zvgONA9y/2oY+UPaK9nmDMzeEkK ce60mxgA8wP2cglpzFD2VSg6GCqxJyfFfm6Lc4C0Hgg9vZlY3WsFPI2yfXUFXPJeAlJDNZ WMPAVbLXuJxQi3rm6FC4Qm2Ernwga8Cv5oghIb0nAa2sfzQpBBgu4foACtNKMoi56R33iI N5Pc4vdcnrRjgfy4XRhkbE89f6bR7/61/BAqSj0wdu3kZgnsNUfD4iXxNs4GCBr+iN04Pe zndpeWA51yrMlymqj0pAr2dvIN0Mg1KlqzIG99RF1+hjKhkHFmetRK2W4qovww== From: =?utf-8?q?K=C3=B6ry_Maincent?= To: linux-kernel@vger.kernel.org, netdev@vger.kernel.org, linux-omap@vger.kernel.org Cc: Michael Walle , Richard Cochran , Kory Maincent , thomas.petazzoni@bootlin.com, Jay Vosburgh , Veaceslav Falico , Andy Gospodarek , "David S. Miller" , Eric Dumazet , Jakub Kicinski , Paolo Abeni , Joakim Zhang , Vladimir Oltean , Claudiu Manoil , Alexandre Belloni , UNGLinuxDriver@microchip.com, Grygorii Strashko , Andrew Lunn , Heiner Kallweit , Russell King , Minghao Chi , Jie Wang , Guangbin Huang , Wolfram Sang , Johannes Berg , Wang Yufen , Alexandru Tachici Subject: [PATCH v2 1/4] net: ethtool: Refactor identical get_ts_info implementations. Date: Fri, 3 Mar 2023 17:42:38 +0100 Message-Id: <20230303164248.499286-2-kory.maincent@bootlin.com> X-Mailer: git-send-email 2.25.1 In-Reply-To: <20230303164248.499286-1-kory.maincent@bootlin.com> References: <20230303164248.499286-1-kory.maincent@bootlin.com> MIME-Version: 1.0 Precedence: bulk List-ID: X-Mailing-List: netdev@vger.kernel.org X-Patchwork-Delegate: kuba@kernel.org From: Richard Cochran The vlan, macvlan and the bonding drivers call their "real" device driver in order to report the time stamping capabilities. Provide a core ethtool helper function to avoid copy/paste in the stack. Signed-off-by: Richard Cochran Signed-off-by: Kory Maincent --- Notes: Changes in V2: - Refactor also macvlan driver drivers/net/bonding/bond_main.c | 14 ++------------ drivers/net/macvlan.c | 14 +------------- include/linux/ethtool.h | 8 ++++++++ net/8021q/vlan_dev.c | 15 +-------------- net/ethtool/common.c | 6 ++++++ 5 files changed, 18 insertions(+), 39 deletions(-) diff --git a/drivers/net/bonding/bond_main.c b/drivers/net/bonding/bond_main.c index fce9301c8ebb..11e025074594 100644 --- a/drivers/net/bonding/bond_main.c +++ b/drivers/net/bonding/bond_main.c @@ -5683,9 +5683,7 @@ static int bond_ethtool_get_ts_info(struct net_device *bond_dev, struct ethtool_ts_info *info) { struct bonding *bond = netdev_priv(bond_dev); - const struct ethtool_ops *ops; struct net_device *real_dev; - struct phy_device *phydev; int ret = 0; rcu_read_lock(); @@ -5694,16 +5692,8 @@ static int bond_ethtool_get_ts_info(struct net_device *bond_dev, rcu_read_unlock(); if (real_dev) { - ops = real_dev->ethtool_ops; - phydev = real_dev->phydev; - - if (phy_has_tsinfo(phydev)) { - ret = phy_ts_info(phydev, info); - goto out; - } else if (ops->get_ts_info) { - ret = ops->get_ts_info(real_dev, info); - goto out; - } + ret = ethtool_get_ts_info_by_layer(real_dev, info); + goto out; } info->so_timestamping = SOF_TIMESTAMPING_RX_SOFTWARE | diff --git a/drivers/net/macvlan.c b/drivers/net/macvlan.c index b8cc55b2d721..7e923d27196f 100644 --- a/drivers/net/macvlan.c +++ b/drivers/net/macvlan.c @@ -1059,20 +1059,8 @@ static int macvlan_ethtool_get_ts_info(struct net_device *dev, struct ethtool_ts_info *info) { struct net_device *real_dev = macvlan_dev_real_dev(dev); - const struct ethtool_ops *ops = real_dev->ethtool_ops; - struct phy_device *phydev = real_dev->phydev; - if (phy_has_tsinfo(phydev)) { - return phy_ts_info(phydev, info); - } else if (ops->get_ts_info) { - return ops->get_ts_info(real_dev, info); - } else { - info->so_timestamping = SOF_TIMESTAMPING_RX_SOFTWARE | - SOF_TIMESTAMPING_SOFTWARE; - info->phc_index = -1; - } - - return 0; + return ethtool_get_ts_info_by_layer(real_dev, info); } static netdev_features_t macvlan_fix_features(struct net_device *dev, diff --git a/include/linux/ethtool.h b/include/linux/ethtool.h index 99dc7bfbcd3c..fa20abec4b93 100644 --- a/include/linux/ethtool.h +++ b/include/linux/ethtool.h @@ -834,6 +834,14 @@ ethtool_params_from_link_mode(struct ethtool_link_ksettings *link_ksettings, */ int ethtool_get_phc_vclocks(struct net_device *dev, int **vclock_index); +/** + * ethtool_get_ts_info_by_layer - Obtains time stamping capabilities from the MAC or PHY layer. + * @dev: pointer to net_device structure + * @info: buffer to hold the result + * Returns zero on sauces, non-zero otherwise. + */ +int ethtool_get_ts_info_by_layer(struct net_device *dev, struct ethtool_ts_info *info); + /** * ethtool_sprintf - Write formatted string to ethtool string data * @data: Pointer to start of string to update diff --git a/net/8021q/vlan_dev.c b/net/8021q/vlan_dev.c index e1bb41a443c4..3e475feae543 100644 --- a/net/8021q/vlan_dev.c +++ b/net/8021q/vlan_dev.c @@ -683,20 +683,7 @@ static int vlan_ethtool_get_ts_info(struct net_device *dev, struct ethtool_ts_info *info) { const struct vlan_dev_priv *vlan = vlan_dev_priv(dev); - const struct ethtool_ops *ops = vlan->real_dev->ethtool_ops; - struct phy_device *phydev = vlan->real_dev->phydev; - - if (phy_has_tsinfo(phydev)) { - return phy_ts_info(phydev, info); - } else if (ops->get_ts_info) { - return ops->get_ts_info(vlan->real_dev, info); - } else { - info->so_timestamping = SOF_TIMESTAMPING_RX_SOFTWARE | - SOF_TIMESTAMPING_SOFTWARE; - info->phc_index = -1; - } - - return 0; + return ethtool_get_ts_info_by_layer(vlan->real_dev, info); } static void vlan_dev_get_stats64(struct net_device *dev, diff --git a/net/ethtool/common.c b/net/ethtool/common.c index 566adf85e658..64a7e05cf2c2 100644 --- a/net/ethtool/common.c +++ b/net/ethtool/common.c @@ -572,6 +572,12 @@ int ethtool_get_phc_vclocks(struct net_device *dev, int **vclock_index) } EXPORT_SYMBOL(ethtool_get_phc_vclocks); +int ethtool_get_ts_info_by_layer(struct net_device *dev, struct ethtool_ts_info *info) +{ + return __ethtool_get_ts_info(dev, info); +} +EXPORT_SYMBOL(ethtool_get_ts_info_by_layer); + const struct ethtool_phy_ops *ethtool_phy_ops; void ethtool_set_ethtool_phy_ops(const struct ethtool_phy_ops *ops)