From patchwork Mon Oct 12 08:03:02 2020 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Heiner Kallweit X-Patchwork-Id: 11831837 Return-Path: Received: from mail.kernel.org (pdx-korg-mail-1.web.codeaurora.org [172.30.200.123]) by pdx-korg-patchwork-2.web.codeaurora.org (Postfix) with ESMTP id 0F1221592 for ; Mon, 12 Oct 2020 08:22:03 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id DC671215A4 for ; Mon, 12 Oct 2020 08:22:02 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (2048-bit key) header.d=gmail.com header.i=@gmail.com header.b="r6+dEJT5" Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1727172AbgJLIVt (ORCPT ); Mon, 12 Oct 2020 04:21:49 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:38264 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1726862AbgJLIVo (ORCPT ); Mon, 12 Oct 2020 04:21:44 -0400 Received: from mail-ej1-x642.google.com (mail-ej1-x642.google.com [IPv6:2a00:1450:4864:20::642]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 89763C0613D0; Mon, 12 Oct 2020 01:21:44 -0700 (PDT) Received: by mail-ej1-x642.google.com with SMTP id a3so21925705ejy.11; Mon, 12 Oct 2020 01:21:44 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20161025; h=subject:from:to:cc:references:message-id:date:user-agent :mime-version:in-reply-to:content-language:content-transfer-encoding; bh=EZ+IbzJK89SwFCG1NFlS+aDcNGqO/ZCcv8sBQgOTnbQ=; b=r6+dEJT54fqzUWR5q15h1ohJU7GSqwKNPr0wwYUCR9XCTdLKdbLl/g2lZ0nXs1jQvz C3Tv1XZvTVgoZJF6UHs3Oc46DUIMvnDnj7uDDoOFCg2ArDh/KfqcGsd/dCYiNTUEguqh SpGuK9so6KztFAnhdlzmi/xYloxnwgRARGt9EymKxkpsWZ5X1E4y5I/3MnmldroXGDYl W3dzUuQu//7BXtLGhsrAm16WbAs+JczHD/hob7XjLNoGgReKiCCjGjMTzY/MskbPU2gG to+57D9kJ4xDijHR0OplnAMPNUcBg0Y2AmvGHyf8Tc2W2qArQbsfgunDPnK+5uJHVDDQ +EbQ== 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:references:message-id:date :user-agent:mime-version:in-reply-to:content-language :content-transfer-encoding; bh=EZ+IbzJK89SwFCG1NFlS+aDcNGqO/ZCcv8sBQgOTnbQ=; b=LGzJn82std96iD+SKEm+Lf8+amp6lkYL3ACfvifrH9boBSSHM6w/0IxCAGJ3CI+lav LeJIXpZ7PwG53V6b9Ecvt+ke4P3EL+6+y9L8G85UZegfl28fTkd01+gWoxX3DRYnprrw TbxZx5GGL9WpKWI24WCqhZ4u0Ugk4G4AqFx9F1E5xrc8ITH2rBWClVxaQX3hYfNTLamc OBB1UV8QzjIjFM9uXsf8/ATWTXLkd+loXYDdYIKTLGRMGrk9N7+ib9ti8FUh5Or86E7F vpwrWHLBXMjaNwjNjlK/QKmziVnrY2cCWv2kUj8hhbIznArS6+yJk90tie+Tbw3RpH/8 1EVQ== X-Gm-Message-State: AOAM530QhfR1WfBWxQnFd1DpeFmv9hQR3xsXqUe2huLbbYdwO7n5nZNf PsHesxFwA15x5VY+G8nCvZM= X-Google-Smtp-Source: ABdhPJweVMrmU1ObMd/170YNOHwEEvLd63J0fEwxMUfm/eiLR1MQL0SnCrS4MDyvbJLNLt14feEgLQ== X-Received: by 2002:a17:906:304f:: with SMTP id d15mr11312921ejd.11.1602490903215; Mon, 12 Oct 2020 01:21:43 -0700 (PDT) Received: from ?IPv6:2003:ea:8f00:6a00:f90c:2907:849f:701c? 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[2003:ea:8f00:6a00:f90c:2907:849f:701c]) by smtp.googlemail.com with ESMTPSA id c5sm10375718edx.58.2020.10.12.01.21.42 (version=TLS1_3 cipher=TLS_AES_128_GCM_SHA256 bits=128/128); Mon, 12 Oct 2020 01:21:42 -0700 (PDT) Subject: [PATCH net-next v2 02/12] IB/hfi1: use new function dev_fetch_sw_netstats From: Heiner Kallweit To: David Miller , Jakub Kicinski , =?utf-8?q?Bj=C3=B8rn_Mork?= , Oliver Neukum , Igor Mitsyanko , Sergey Matyukevich , Kalle Valo , Roopa Prabhu , Nikolay Aleksandrov , Andrew Lunn , Vivien Didelot , Florian Fainelli , Vladimir Oltean , Alexey Kuznetsov , Hideaki YOSHIFUJI , Johannes Berg , Pravin B Shelar , Steffen Klassert , Herbert Xu Cc: "netdev@vger.kernel.org" , linux-rdma@vger.kernel.org, Linux USB Mailing List , linux-wireless , bridge@lists.linux-foundation.org References: Message-ID: <6cad1a04-f021-d94b-45fd-7cc7cf07367d@gmail.com> Date: Mon, 12 Oct 2020 10:03:02 +0200 User-Agent: Mozilla/5.0 (Windows NT 10.0; WOW64; rv:68.0) Gecko/20100101 Thunderbird/68.12.1 MIME-Version: 1.0 In-Reply-To: Content-Language: en-US Precedence: bulk List-ID: X-Mailing-List: linux-rdma@vger.kernel.org Simplify the code by using new function dev_fetch_sw_netstats(). Signed-off-by: Heiner Kallweit --- drivers/infiniband/hw/hfi1/ipoib_main.c | 34 +------------------------ 1 file changed, 1 insertion(+), 33 deletions(-) diff --git a/drivers/infiniband/hw/hfi1/ipoib_main.c b/drivers/infiniband/hw/hfi1/ipoib_main.c index 014351ebb..9f71b9d70 100644 --- a/drivers/infiniband/hw/hfi1/ipoib_main.c +++ b/drivers/infiniband/hw/hfi1/ipoib_main.c @@ -97,41 +97,9 @@ static void hfi1_ipoib_dev_get_stats64(struct net_device *dev, struct rtnl_link_stats64 *storage) { struct hfi1_ipoib_dev_priv *priv = hfi1_ipoib_priv(dev); - u64 rx_packets = 0ull; - u64 rx_bytes = 0ull; - u64 tx_packets = 0ull; - u64 tx_bytes = 0ull; - int i; netdev_stats_to_stats64(storage, &dev->stats); - - for_each_possible_cpu(i) { - const struct pcpu_sw_netstats *stats; - unsigned int start; - u64 trx_packets; - u64 trx_bytes; - u64 ttx_packets; - u64 ttx_bytes; - - stats = per_cpu_ptr(priv->netstats, i); - do { - start = u64_stats_fetch_begin_irq(&stats->syncp); - trx_packets = stats->rx_packets; - trx_bytes = stats->rx_bytes; - ttx_packets = stats->tx_packets; - ttx_bytes = stats->tx_bytes; - } while (u64_stats_fetch_retry_irq(&stats->syncp, start)); - - rx_packets += trx_packets; - rx_bytes += trx_bytes; - tx_packets += ttx_packets; - tx_bytes += ttx_bytes; - } - - storage->rx_packets += rx_packets; - storage->rx_bytes += rx_bytes; - storage->tx_packets += tx_packets; - storage->tx_bytes += tx_bytes; + dev_fetch_sw_netstats(storage, priv->netstats); } static const struct net_device_ops hfi1_ipoib_netdev_ops = {