From patchwork Fri Mar 12 17:48:14 2021 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Alexander Duyck X-Patchwork-Id: 12135629 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 X-Spam-Level: X-Spam-Status: No, score=-12.7 required=3.0 tests=BAYES_00,DKIM_SIGNED, DKIM_VALID,DKIM_VALID_AU,FREEMAIL_FORGED_FROMDOMAIN,FREEMAIL_FROM, HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_CR_TRAILER,INCLUDES_PATCH, MAILING_LIST_MULTI,SPF_HELO_NONE,SPF_PASS,URIBL_BLOCKED autolearn=ham autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id 7BEF3C4332D for ; Fri, 12 Mar 2021 17:49:15 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 6754264F2C for ; Fri, 12 Mar 2021 17:49:15 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S233001AbhCLRsp (ORCPT ); Fri, 12 Mar 2021 12:48:45 -0500 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:45950 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S232973AbhCLRsQ (ORCPT ); Fri, 12 Mar 2021 12:48:16 -0500 Received: from mail-pg1-x530.google.com (mail-pg1-x530.google.com [IPv6:2607:f8b0:4864:20::530]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 05CD2C061574 for ; Fri, 12 Mar 2021 09:48:16 -0800 (PST) Received: by mail-pg1-x530.google.com with SMTP id v14so9413945pgq.2 for ; Fri, 12 Mar 2021 09:48:16 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20161025; h=subject:from:to:cc:date:message-id:in-reply-to:references :user-agent:mime-version:content-transfer-encoding; bh=qRbccARXlRCPUWaG1KfN16iDlT6bnnDQLr5CqzaWN7I=; b=QWSCgIEAcFptuUuTtBiIISgnV980uFwyPPVj4f1awompLaTlrJajZ/bX9LuUhxUtaY VL+y9hLrukI8/pvWke49GARaEvS3kp/7jJhns5BUaZZgtQ6hQlrfUzyXtRmaQvgeXxOH 85aOKmF8ure22nwoqzNRZ58dOuzh/jKSZs4ZLg+gpgPThP+FTvdXXwXFhduTUcIRPG8Y dsH0GftJd5OtFY9xSGWo1lSaDGLQ0j+TwOo60hMyZIbMrXgDU/xEMu/hsrHVNpixp5kZ h3u4doSmQfw7/BhIN10QWPDy2pfXWLcHdmxd9B0uXX23kPaUfY9RbdHWZrSLxZgAcy14 GhNA== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:subject:from:to:cc:date:message-id:in-reply-to :references:user-agent:mime-version:content-transfer-encoding; bh=qRbccARXlRCPUWaG1KfN16iDlT6bnnDQLr5CqzaWN7I=; b=VXjyUYyphkT7mrifqisyDJUrsw2JfFobwVx1gxCCT/ZyJfax6ye9fxhqrdekf1/OWT sxkfT+O58FVEPtIRDCYUQM0qa9/Jfz4YGC+UUucRJRh5EJwsmxRs4D/rijCtJkOxgI/1 Rmv9uPLbXssNbjVVDoqt4uqznYmv2NZC0mz8yzomoTqnnChiXaPcMUmSycJAl1DThQ+1 rvIWCt2pnVLvuFldeV5M9S9+DZjImt4mPHuabe7ezD+f3n+v6A612W55j++1DxIOTS8f KwBTOoZG6Uh4bQMdOrZHM7wA2eFAZYHD0nKnB91KuhWxxv78x0GNiNn3p0m0fkJWTR1k rlXg== X-Gm-Message-State: AOAM531+klpDXkgakIW+FAwdsh0M/2ds++XYgdKK/ANxgqBB305c8FyI 0XCpa7aUaBpACL5oSPgqhJo= X-Google-Smtp-Source: ABdhPJyKBYwQG5sNJFvKyLaZl8EtyukLOiy1+l0ik2EKubZ6arUXoeutsZFbXc+mH5UDB6F91U1FDQ== X-Received: by 2002:a63:fc12:: with SMTP id j18mr12712758pgi.334.1615571295540; Fri, 12 Mar 2021 09:48:15 -0800 (PST) Received: from localhost.localdomain ([2001:470:b:9c3:9e5c:8eff:fe4f:f2d0]) by smtp.gmail.com with ESMTPSA id k11sm5639974pfc.22.2021.03.12.09.48.14 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Fri, 12 Mar 2021 09:48:15 -0800 (PST) Subject: [net-next PATCH 02/10] intel: Update drivers to use ethtool_sprintf From: Alexander Duyck To: davem@davemloft.net, kuba@kernel.org Cc: netdev@vger.kernel.org, oss-drivers@netronome.com, simon.horman@netronome.com, yisen.zhuang@huawei.com, salil.mehta@huawei.com, intel-wired-lan@lists.osuosl.org, jesse.brandeburg@intel.com, anthony.l.nguyen@intel.com, drivers@pensando.io, snelson@pensando.io, netanel@amazon.com, akiyano@amazon.com, gtzalik@amazon.com, saeedb@amazon.com, GR-Linux-NIC-Dev@marvell.com, skalluru@marvell.com, rmody@marvell.com, kys@microsoft.com, haiyangz@microsoft.com, sthemmin@microsoft.com, wei.liu@kernel.org, mst@redhat.com, jasowang@redhat.com, pv-drivers@vmware.com, doshir@vmware.com, alexanderduyck@fb.com, Kernel-team@fb.com Date: Fri, 12 Mar 2021 09:48:14 -0800 Message-ID: <161557129416.10304.13389129491117212311.stgit@localhost.localdomain> In-Reply-To: <161557111604.10304.1798900949114188676.stgit@localhost.localdomain> References: <161557111604.10304.1798900949114188676.stgit@localhost.localdomain> User-Agent: StGit/0.23 MIME-Version: 1.0 Precedence: bulk List-ID: X-Mailing-List: netdev@vger.kernel.org X-Patchwork-Delegate: kuba@kernel.org From: Alexander Duyck Update the Intel drivers to make use of ethtool_sprintf. The general idea is to reduce code size and overhead by replacing the repeated pattern of string printf statements and ETH_STRING_LEN counter increments. Signed-off-by: Alexander Duyck --- drivers/net/ethernet/intel/i40e/i40e_ethtool.c | 16 ++---- drivers/net/ethernet/intel/ice/ice_ethtool.c | 55 +++++++--------------- drivers/net/ethernet/intel/igb/igb_ethtool.c | 40 ++++++---------- drivers/net/ethernet/intel/ixgbe/ixgbe_ethtool.c | 40 ++++++---------- 4 files changed, 50 insertions(+), 101 deletions(-) diff --git a/drivers/net/ethernet/intel/i40e/i40e_ethtool.c b/drivers/net/ethernet/intel/i40e/i40e_ethtool.c index c70dec65a572..3c9054e13aa5 100644 --- a/drivers/net/ethernet/intel/i40e/i40e_ethtool.c +++ b/drivers/net/ethernet/intel/i40e/i40e_ethtool.c @@ -2368,21 +2368,15 @@ static void i40e_get_priv_flag_strings(struct net_device *netdev, u8 *data) struct i40e_netdev_priv *np = netdev_priv(netdev); struct i40e_vsi *vsi = np->vsi; struct i40e_pf *pf = vsi->back; - char *p = (char *)data; unsigned int i; + u8 *p = data; - for (i = 0; i < I40E_PRIV_FLAGS_STR_LEN; i++) { - snprintf(p, ETH_GSTRING_LEN, "%s", - i40e_gstrings_priv_flags[i].flag_string); - p += ETH_GSTRING_LEN; - } + for (i = 0; i < I40E_PRIV_FLAGS_STR_LEN; i++) + ethtool_sprintf(&p, i40e_gstrings_priv_flags[i].flag_string); if (pf->hw.pf_id != 0) return; - for (i = 0; i < I40E_GL_PRIV_FLAGS_STR_LEN; i++) { - snprintf(p, ETH_GSTRING_LEN, "%s", - i40e_gl_gstrings_priv_flags[i].flag_string); - p += ETH_GSTRING_LEN; - } + for (i = 0; i < I40E_GL_PRIV_FLAGS_STR_LEN; i++) + ethtool_sprintf(&p, i40e_gl_gstrings_priv_flags[i].flag_string); } static void i40e_get_strings(struct net_device *netdev, u32 stringset, diff --git a/drivers/net/ethernet/intel/ice/ice_ethtool.c b/drivers/net/ethernet/intel/ice/ice_ethtool.c index 2dcfa685b763..4f738425fb44 100644 --- a/drivers/net/ethernet/intel/ice/ice_ethtool.c +++ b/drivers/net/ethernet/intel/ice/ice_ethtool.c @@ -871,68 +871,47 @@ static void ice_get_strings(struct net_device *netdev, u32 stringset, u8 *data) { struct ice_netdev_priv *np = netdev_priv(netdev); struct ice_vsi *vsi = np->vsi; - char *p = (char *)data; unsigned int i; + u8 *p = data; switch (stringset) { case ETH_SS_STATS: - for (i = 0; i < ICE_VSI_STATS_LEN; i++) { - snprintf(p, ETH_GSTRING_LEN, "%s", - ice_gstrings_vsi_stats[i].stat_string); - p += ETH_GSTRING_LEN; - } + for (i = 0; i < ICE_VSI_STATS_LEN; i++) + ethtool_sprintf(&p, + ice_gstrings_vsi_stats[i].stat_string); ice_for_each_alloc_txq(vsi, i) { - snprintf(p, ETH_GSTRING_LEN, - "tx_queue_%u_packets", i); - p += ETH_GSTRING_LEN; - snprintf(p, ETH_GSTRING_LEN, "tx_queue_%u_bytes", i); - p += ETH_GSTRING_LEN; + ethtool_sprintf(&p, "tx_queue_%u_packets", i); + ethtool_sprintf(&p, "tx_queue_%u_bytes", i); } ice_for_each_alloc_rxq(vsi, i) { - snprintf(p, ETH_GSTRING_LEN, - "rx_queue_%u_packets", i); - p += ETH_GSTRING_LEN; - snprintf(p, ETH_GSTRING_LEN, "rx_queue_%u_bytes", i); - p += ETH_GSTRING_LEN; + ethtool_sprintf(&p, "rx_queue_%u_packets", i); + ethtool_sprintf(&p, "rx_queue_%u_bytes", i); } if (vsi->type != ICE_VSI_PF) return; - for (i = 0; i < ICE_PF_STATS_LEN; i++) { - snprintf(p, ETH_GSTRING_LEN, "%s", - ice_gstrings_pf_stats[i].stat_string); - p += ETH_GSTRING_LEN; - } + for (i = 0; i < ICE_PF_STATS_LEN; i++) + ethtool_sprintf(&p, + ice_gstrings_pf_stats[i].stat_string); for (i = 0; i < ICE_MAX_USER_PRIORITY; i++) { - snprintf(p, ETH_GSTRING_LEN, - "tx_priority_%u_xon.nic", i); - p += ETH_GSTRING_LEN; - snprintf(p, ETH_GSTRING_LEN, - "tx_priority_%u_xoff.nic", i); - p += ETH_GSTRING_LEN; + ethtool_sprintf(&p, "tx_priority_%u_xon.nic", i); + ethtool_sprintf(&p, "tx_priority_%u_xoff.nic", i); } for (i = 0; i < ICE_MAX_USER_PRIORITY; i++) { - snprintf(p, ETH_GSTRING_LEN, - "rx_priority_%u_xon.nic", i); - p += ETH_GSTRING_LEN; - snprintf(p, ETH_GSTRING_LEN, - "rx_priority_%u_xoff.nic", i); - p += ETH_GSTRING_LEN; + ethtool_sprintf(&p, "rx_priority_%u_xon.nic", i); + ethtool_sprintf(&p, "rx_priority_%u_xoff.nic", i); } break; case ETH_SS_TEST: memcpy(data, ice_gstrings_test, ICE_TEST_LEN * ETH_GSTRING_LEN); break; case ETH_SS_PRIV_FLAGS: - for (i = 0; i < ICE_PRIV_FLAG_ARRAY_SIZE; i++) { - snprintf(p, ETH_GSTRING_LEN, "%s", - ice_gstrings_priv_flags[i].name); - p += ETH_GSTRING_LEN; - } + for (i = 0; i < ICE_PRIV_FLAG_ARRAY_SIZE; i++) + ethtool_sprintf(&p, ice_gstrings_priv_flags[i].name); break; default: break; diff --git a/drivers/net/ethernet/intel/igb/igb_ethtool.c b/drivers/net/ethernet/intel/igb/igb_ethtool.c index 28baf203459a..4ab9f468f08e 100644 --- a/drivers/net/ethernet/intel/igb/igb_ethtool.c +++ b/drivers/net/ethernet/intel/igb/igb_ethtool.c @@ -2347,35 +2347,23 @@ static void igb_get_strings(struct net_device *netdev, u32 stringset, u8 *data) IGB_TEST_LEN*ETH_GSTRING_LEN); break; case ETH_SS_STATS: - for (i = 0; i < IGB_GLOBAL_STATS_LEN; i++) { - memcpy(p, igb_gstrings_stats[i].stat_string, - ETH_GSTRING_LEN); - p += ETH_GSTRING_LEN; - } - for (i = 0; i < IGB_NETDEV_STATS_LEN; i++) { - memcpy(p, igb_gstrings_net_stats[i].stat_string, - ETH_GSTRING_LEN); - p += ETH_GSTRING_LEN; - } + for (i = 0; i < IGB_GLOBAL_STATS_LEN; i++) + ethtool_sprintf(&p, + igb_gstrings_stats[i].stat_string); + for (i = 0; i < IGB_NETDEV_STATS_LEN; i++) + ethtool_sprintf(&p, + igb_gstrings_net_stats[i].stat_string); for (i = 0; i < adapter->num_tx_queues; i++) { - sprintf(p, "tx_queue_%u_packets", i); - p += ETH_GSTRING_LEN; - sprintf(p, "tx_queue_%u_bytes", i); - p += ETH_GSTRING_LEN; - sprintf(p, "tx_queue_%u_restart", i); - p += ETH_GSTRING_LEN; + ethtool_sprintf(&p, "tx_queue_%u_packets", i); + ethtool_sprintf(&p, "tx_queue_%u_bytes", i); + ethtool_sprintf(&p, "tx_queue_%u_restart", i); } for (i = 0; i < adapter->num_rx_queues; i++) { - sprintf(p, "rx_queue_%u_packets", i); - p += ETH_GSTRING_LEN; - sprintf(p, "rx_queue_%u_bytes", i); - p += ETH_GSTRING_LEN; - sprintf(p, "rx_queue_%u_drops", i); - p += ETH_GSTRING_LEN; - sprintf(p, "rx_queue_%u_csum_err", i); - p += ETH_GSTRING_LEN; - sprintf(p, "rx_queue_%u_alloc_failed", i); - p += ETH_GSTRING_LEN; + ethtool_sprintf(&p, "rx_queue_%u_packets", i); + ethtool_sprintf(&p, "rx_queue_%u_bytes", i); + ethtool_sprintf(&p, "rx_queue_%u_drops", i); + ethtool_sprintf(&p, "rx_queue_%u_csum_err", i); + ethtool_sprintf(&p, "rx_queue_%u_alloc_failed", i); } /* BUG_ON(p - data != IGB_STATS_LEN * ETH_GSTRING_LEN); */ break; diff --git a/drivers/net/ethernet/intel/ixgbe/ixgbe_ethtool.c b/drivers/net/ethernet/intel/ixgbe/ixgbe_ethtool.c index a280aa34ca1d..4ceaca0f6ce3 100644 --- a/drivers/net/ethernet/intel/ixgbe/ixgbe_ethtool.c +++ b/drivers/net/ethernet/intel/ixgbe/ixgbe_ethtool.c @@ -1368,45 +1368,33 @@ static void ixgbe_get_ethtool_stats(struct net_device *netdev, static void ixgbe_get_strings(struct net_device *netdev, u32 stringset, u8 *data) { - char *p = (char *)data; unsigned int i; + u8 *p = data; switch (stringset) { case ETH_SS_TEST: - for (i = 0; i < IXGBE_TEST_LEN; i++) { - memcpy(data, ixgbe_gstrings_test[i], ETH_GSTRING_LEN); - data += ETH_GSTRING_LEN; - } + for (i = 0; i < IXGBE_TEST_LEN; i++) + ethtool_sprintf(&p, ixgbe_gstrings_test[i]); break; case ETH_SS_STATS: - for (i = 0; i < IXGBE_GLOBAL_STATS_LEN; i++) { - memcpy(p, ixgbe_gstrings_stats[i].stat_string, - ETH_GSTRING_LEN); - p += ETH_GSTRING_LEN; - } + for (i = 0; i < IXGBE_GLOBAL_STATS_LEN; i++) + ethtool_sprintf(&p, + ixgbe_gstrings_stats[i].stat_string); for (i = 0; i < netdev->num_tx_queues; i++) { - sprintf(p, "tx_queue_%u_packets", i); - p += ETH_GSTRING_LEN; - sprintf(p, "tx_queue_%u_bytes", i); - p += ETH_GSTRING_LEN; + ethtool_sprintf(&p, "tx_queue_%u_packets", i); + ethtool_sprintf(&p, "tx_queue_%u_bytes", i); } for (i = 0; i < IXGBE_NUM_RX_QUEUES; i++) { - sprintf(p, "rx_queue_%u_packets", i); - p += ETH_GSTRING_LEN; - sprintf(p, "rx_queue_%u_bytes", i); - p += ETH_GSTRING_LEN; + ethtool_sprintf(&p, "rx_queue_%u_packets", i); + ethtool_sprintf(&p, "rx_queue_%u_bytes", i); } for (i = 0; i < IXGBE_MAX_PACKET_BUFFERS; i++) { - sprintf(p, "tx_pb_%u_pxon", i); - p += ETH_GSTRING_LEN; - sprintf(p, "tx_pb_%u_pxoff", i); - p += ETH_GSTRING_LEN; + ethtool_sprintf(&p, "tx_pb_%u_pxon", i); + ethtool_sprintf(&p, "tx_pb_%u_pxoff", i); } for (i = 0; i < IXGBE_MAX_PACKET_BUFFERS; i++) { - sprintf(p, "rx_pb_%u_pxon", i); - p += ETH_GSTRING_LEN; - sprintf(p, "rx_pb_%u_pxoff", i); - p += ETH_GSTRING_LEN; + ethtool_sprintf(&p, "rx_pb_%u_pxon", i); + ethtool_sprintf(&p, "rx_pb_%u_pxoff", i); } /* BUG_ON(p - data != IXGBE_STATS_LEN * ETH_GSTRING_LEN); */ break;