From patchwork Thu Sep 10 19:05:09 2020 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Lucy Yan X-Patchwork-Id: 1361888 X-Patchwork-Delegate: davem@davemloft.net Return-Path: X-Original-To: patchwork-incoming-netdev@ozlabs.org Delivered-To: patchwork-incoming-netdev@ozlabs.org Authentication-Results: ozlabs.org; spf=pass (sender SPF authorized) smtp.mailfrom=vger.kernel.org (client-ip=23.128.96.18; helo=vger.kernel.org; envelope-from=netdev-owner@vger.kernel.org; receiver=) Authentication-Results: ozlabs.org; dmarc=fail (p=reject dis=none) header.from=google.com Authentication-Results: ozlabs.org; dkim=fail reason="signature verification failed" (2048-bit key; unprotected) header.d=google.com header.i=@google.com header.a=rsa-sha256 header.s=20161025 header.b=WiRGqWfo; dkim-atps=neutral Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by ozlabs.org (Postfix) with ESMTP id 4BnT0b53QZz9sR4 for ; Fri, 11 Sep 2020 05:07:27 +1000 (AEST) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1726942AbgIJTHU (ORCPT ); Thu, 10 Sep 2020 15:07:20 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:42880 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1726729AbgIJTFR (ORCPT ); Thu, 10 Sep 2020 15:05:17 -0400 Received: from mail-qt1-x84a.google.com (mail-qt1-x84a.google.com [IPv6:2607:f8b0:4864:20::84a]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 726E7C061756 for ; Thu, 10 Sep 2020 12:05:17 -0700 (PDT) Received: by mail-qt1-x84a.google.com with SMTP id f12so4880480qtq.5 for ; Thu, 10 Sep 2020 12:05:17 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=google.com; s=20161025; h=sender:date:message-id:mime-version:subject:from:to:cc; bh=YeYgC+wnXE5WPKMChfHCba+wXVDxaxMd+TOtN5nzHHE=; b=WiRGqWfov9kwUNINermxnB/QkSIn7D6S9ynHb2Eiorv6y6o9z/BlDahZQqsoNbGQpg FoD4bsTSCoNWWTBknJhkroB7vgWaepGwpAVDBVo8oe5CbE46YWCejcwAiwC1/lbC+XaP OG3bYfhUU1aBUNTRrRhRGmOfMFENRYQe8UeMZgnbmrZUHiTt+BkTgQjdTFVaztUpQ7II jjdLJestf2kzGG1A8BYbdABs0uMR+g0DLvvsYaxLrptVWnoFCvqLOjOeBkUataSAH6ti ZEp3WQxE/gUHmPrZGhKQW3j7IZJFcyS9c/YiLglrl0FloEs0tjFg3y8qP6mxeWhRF0p+ lW0A== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:sender:date:message-id:mime-version:subject:from :to:cc; bh=YeYgC+wnXE5WPKMChfHCba+wXVDxaxMd+TOtN5nzHHE=; b=Qk/sFJXdg0fCo+zpslR9obU5OQOii1bx50/oSvXfruO2dlLVVHBxFYxAXOfBa4k5vO HtAeTSjxCQp0Cel7cRi7+95FUrOCpinJDRm+Ir1V2b2vNmHQFovzSLY5Sq4pijw6m+q6 Hxpoqj6xupJWmhIKZU0K0ZJFt3+9kKLF4IzYzTqUVSMWXIvAsopiRwV3CBH5ht+OVte1 wEA0d5m6IBVqt3eg2EeriDMRcw+7VlOpuT82IpaK1aLWdeLikCrIOqpCqRf2IQg6utvG C8ZB92Ry+Zp0XGCPrY6N7q5kOO1jZ1p/45Nxux9OhYUU1lo6WNrZ+4O0q++TL+AtXcLk NaQg== X-Gm-Message-State: AOAM533qjUspyFFqALa2pVNgck6rtbjiHT9Rn462WD0kKUWAlAobzlM9 53wNE1k7mZ5oWkdWvKyYp+xRM5lIM4y7 X-Google-Smtp-Source: ABdhPJx/B5q6d8zO08WfVKwINiALJEH/HQ/qTEaXeiRZTxgl6xgQI4S3QhFJYeUzQlQv37OVfDwAYHQGL5IZ X-Received: from lucyyan-linux.svl.corp.google.com ([2620:15c:2c5:3:1ea0:b8ff:fe73:6d39]) (user=lucyyan job=sendgmr) by 2002:a0c:d848:: with SMTP id i8mr9890275qvj.31.1599764716606; Thu, 10 Sep 2020 12:05:16 -0700 (PDT) Date: Thu, 10 Sep 2020 12:05:09 -0700 Message-Id: <20200910190509.81755-1-lucyyan@google.com> Mime-Version: 1.0 X-Mailer: git-send-email 2.28.0.526.ge36021eeef-goog Subject: [PATCH net] net: dec: de2104x: Increase receive ring size for Tulip From: Lucy Yan To: "David S . Miller" , Jakub Kicinski Cc: Heiner Kallweit , Arnd Bergmann , Moritz Fischer , Lucy Yan , Leon Romanovsky , "Michael S . Tsirkin" , Vaibhav Gupta , netdev@vger.kernel.org, linux-parisc@vger.kernel.org, linux-kernel@vger.kernel.org Sender: netdev-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: netdev@vger.kernel.org Increase Rx ring size to address issue where hardware is reaching the receive work limit. Before: [ 102.223342] de2104x 0000:17:00.0 eth0: rx work limit reached [ 102.245695] de2104x 0000:17:00.0 eth0: rx work limit reached [ 102.251387] de2104x 0000:17:00.0 eth0: rx work limit reached [ 102.267444] de2104x 0000:17:00.0 eth0: rx work limit reached Signed-off-by: Lucy Yan Reviewed-by: Moritz Fischer --- drivers/net/ethernet/dec/tulip/de2104x.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/drivers/net/ethernet/dec/tulip/de2104x.c b/drivers/net/ethernet/dec/tulip/de2104x.c index cb116b530f5e..2610efe4f873 100644 --- a/drivers/net/ethernet/dec/tulip/de2104x.c +++ b/drivers/net/ethernet/dec/tulip/de2104x.c @@ -85,7 +85,7 @@ MODULE_PARM_DESC (rx_copybreak, "de2104x Breakpoint at which Rx packets are copi #define DSL CONFIG_DE2104X_DSL #endif -#define DE_RX_RING_SIZE 64 +#define DE_RX_RING_SIZE 128 #define DE_TX_RING_SIZE 64 #define DE_RING_BYTES \ ((sizeof(struct de_desc) * DE_RX_RING_SIZE) + \