From mboxrd@z Thu Jan 1 00:00:00 1970 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=-15.7 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,USER_AGENT_GIT autolearn=unavailable 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 5B205C4332B for ; Thu, 24 Dec 2020 14:27:12 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 291F122EBF for ; Thu, 24 Dec 2020 14:27:12 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1728910AbgLXO0o (ORCPT ); Thu, 24 Dec 2020 09:26:44 -0500 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:57206 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1727114AbgLXO0n (ORCPT ); Thu, 24 Dec 2020 09:26:43 -0500 Received: from mail-pj1-x102a.google.com (mail-pj1-x102a.google.com [IPv6:2607:f8b0:4864:20::102a]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id A4F1DC06138C; Thu, 24 Dec 2020 06:26:02 -0800 (PST) Received: by mail-pj1-x102a.google.com with SMTP id w1so2472081pjc.0; Thu, 24 Dec 2020 06:26:02 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20161025; h=from:to:cc:subject:date:message-id:in-reply-to:references; bh=p5OOA0vAPiVA8ZIkD7KgNkPxCYfKKWPfzTIiwGStjcc=; b=NKFeTK1FPdhwu/0w/5r3XpnZUiLir3X1fXJoj1c3B/fxnxjzVf7pPyBAEIdmOXJTf8 CYM5kMC7uJ2W7rnumdqt1V/y9Cdg5lGdFpucoAKbRnlqmPN4+LcA0HaG93/mxv7+Zcfw qRCuMJ2bl72+c9eZVqG0LTJBBDIgFTi4isHmfe5SHsRlqVusAEQGvBFOQpo+TCmK4CK1 MxlUii8FiS8h7T3nGP8+o9zUG1jh9alsSsa8ykZIej6ZA3KnkfLrahEyaI8HZ6/rgRIi 8a8QEojj+1KauSWDo6G7ytxzmal+wgqHc+AyoB3HnSygWlCoARLwL78hHNwBjQS8XxPi 9idQ== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:from:to:cc:subject:date:message-id:in-reply-to :references; bh=p5OOA0vAPiVA8ZIkD7KgNkPxCYfKKWPfzTIiwGStjcc=; b=bQ9edTlNYA2YzBYSEkAECP1UV4zHVjcox6kB5ZpqU9h/mXR8SOZzVHoKJjvDPbkqCX wakqcjHPuZ6QCB4bBWFi1twtboZfzNyJoJiCd6rbTHO4fA7IYB5FPeFSs8/xRaAsW5XE Py4D0qbQTvO4LqSteJ1taqsgaVFQI+PFMvL7VrOp2xe9rPDWdFMjai8CanXVxPbVDveq BRLXz0dv9XQzxShHVX/v3fz2vp4yz+Uwl8gISR5DPBxgKc0ENPVdxZuC3n1CSwhD25w7 LY5bBjer/vX5B4ggS8NsSiN8ScnxKwzWgjqua43f1Zlui0jc6VWw9tDJozmDcw1T5Ecl m1rA== X-Gm-Message-State: AOAM531PZk4gb5axKM+JoNSvMk+LmZYtEobAwr+w6TdGjSGv7vgp7afw p1Sa25jatXTZ+Iv4qBmF7BxLeB+AIbQ= X-Google-Smtp-Source: ABdhPJzu8Ot+YFAcDFa6AYDYxYNBf3QgYbPdHpZAkjqHHDJ9ExXkEphkz89et0z+ocVTNu/44GNCnQ== X-Received: by 2002:a17:90a:7844:: with SMTP id y4mr4738006pjl.68.1608819962297; Thu, 24 Dec 2020 06:26:02 -0800 (PST) Received: from DESKTOP-8REGVGF.localdomain ([124.13.157.5]) by smtp.gmail.com with ESMTPSA id r185sm26936351pfc.53.2020.12.24.06.25.59 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Thu, 24 Dec 2020 06:26:01 -0800 (PST) From: Sieng Piaw Liew To: Florian Fainelli Cc: bcm-kernel-feedback-list@broadcom.com, Sieng Piaw Liew , netdev@vger.kernel.org, linux-arm-kernel@lists.infradead.org, linux-kernel@vger.kernel.org Subject: [PATCH net-next v2 3/6] bcm63xx_enet: add xmit_more support Date: Thu, 24 Dec 2020 22:24:18 +0800 Message-Id: <20201224142421.32350-4-liew.s.piaw@gmail.com> X-Mailer: git-send-email 2.17.1 In-Reply-To: <20201224142421.32350-1-liew.s.piaw@gmail.com> References: <20201224142421.32350-1-liew.s.piaw@gmail.com> Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Support bulking hardware TX queue by using netdev_xmit_more(). Signed-off-by: Sieng Piaw Liew --- drivers/net/ethernet/broadcom/bcm63xx_enet.c | 11 +++++++---- 1 file changed, 7 insertions(+), 4 deletions(-) diff --git a/drivers/net/ethernet/broadcom/bcm63xx_enet.c b/drivers/net/ethernet/broadcom/bcm63xx_enet.c index 90f8214b4d22..452968f168ed 100644 --- a/drivers/net/ethernet/broadcom/bcm63xx_enet.c +++ b/drivers/net/ethernet/broadcom/bcm63xx_enet.c @@ -633,14 +633,17 @@ bcm_enet_start_xmit(struct sk_buff *skb, struct net_device *dev) netdev_sent_queue(dev, skb->len); - /* kick tx dma */ - enet_dmac_writel(priv, priv->dma_chan_en_mask, - ENETDMAC_CHANCFG, priv->tx_chan); - /* stop queue if no more desc available */ if (!priv->tx_desc_count) netif_stop_queue(dev); + /* kick tx dma */ + if (!netdev_xmit_more() || !priv->tx_desc_count) + enet_dmac_writel(priv, priv->dma_chan_en_mask, + ENETDMAC_CHANCFG, priv->tx_chan); + + + dev->stats.tx_bytes += skb->len; dev->stats.tx_packets++; ret = NETDEV_TX_OK; -- 2.17.1