From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from mail-wm0-f51.google.com (mail-wm0-f51.google.com [74.125.82.51]) by dpdk.org (Postfix) with ESMTP id 6E9465938 for ; Fri, 30 Oct 2015 12:35:26 +0100 (CET) Received: by wmff134 with SMTP id f134so9575309wmf.1 for ; Fri, 30 Oct 2015 04:35:26 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=6wind_com.20150623.gappssmtp.com; s=20150623; h=from:to:cc:subject:date:message-id:organization:user-agent :in-reply-to:references:mime-version:content-transfer-encoding :content-type; bh=Fc9xdZu1wF9AD/1W8eAqDFk4DyQET1bKkef27PT0c/A=; b=M/6NKiA+JVqfQwf+znoYEjNjk7I0se2FIz4rs+kZbX+sd5GrwIX/SiqveWLhbrL95/ KuXkcdM5GeXaDQg1iLEfp0oc2GMY5GQAPi+YGWhexbWJi2JpTR8hCMiBMWJJOd3oZ/Rk fuL/n8GCTfCtaaq4JeJBG6Lq7zLKi50uFWcoSEAjs2hzV8XdR6P0Nx8HfmftsdpKgFe3 kXv6rpyzPtRtjZ0itRGls9vVAyjxhigZPDGnFaaadoVA/NxnH5+I28nfNyxAFMwPu8T3 vhQH6PDgzgx72S9HJU6vrVzGGVQ9vdfaF7fUlaI7//cddlhf1Sh4ALBg/ziyUojaeJbE WRvA== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20130820; h=x-gm-message-state:from:to:cc:subject:date:message-id:organization :user-agent:in-reply-to:references:mime-version :content-transfer-encoding:content-type; bh=Fc9xdZu1wF9AD/1W8eAqDFk4DyQET1bKkef27PT0c/A=; b=k1Oi5iLIP+UQ3kMqUtr9kJP+IaLjkoo5sT3qO0+PLJyivEotoVKCYP+Efd6ZG0PCZk B8pAlASXcFs/JHVtKr1P35MEM/EV3w14M9r5SP5GkBVYqtJWczEbC/Y7wE9F+2YANwGv AAWxzTsUIciXO80vH/u0celSpe98WyF+lwYZfO3gfat2wlQpnRL7yCQMxTzbydA/LJwM JEKqPkoVfiv/pQ6xks976yfJX3jzDCXJWQFoyp7iMp0IdumEH49wQb8Tugy6x8v0kF6P lDFllZP2e4MCjJrIoOQ0maiGM7WRJcIQmBfAlQ1F72rnOLCrPAPBWHiEXYDC+/WcNhtR z+Yw== X-Gm-Message-State: ALoCoQlKbxzao1lBQ5BVr4+R5mRSsn9Az/kRLErT5eh4rVQ42KpfgEHVBsaOHMoRJDrm5HaLqXgU X-Received: by 10.28.143.1 with SMTP id r1mr2998953wmd.80.1446204926306; Fri, 30 Oct 2015 04:35:26 -0700 (PDT) Received: from xps13.localnet (136-92-190-109.dsl.ovh.fr. [109.190.92.136]) by smtp.gmail.com with ESMTPSA id 184sm2476810wmk.10.2015.10.30.04.35.25 (version=TLSv1.2 cipher=ECDHE-RSA-AES128-GCM-SHA256 bits=128/128); Fri, 30 Oct 2015 04:35:25 -0700 (PDT) From: Thomas Monjalon To: "Wu, Jingjing" Date: Fri, 30 Oct 2015 12:34:15 +0100 Message-ID: <3366788.C6cg6KygKL@xps13> Organization: 6WIND User-Agent: KMail/4.14.10 (Linux/4.1.6-1-ARCH; KDE/4.14.11; x86_64; ; ) In-Reply-To: References: <1444378608-708-1-git-send-email-jingjing.wu@intel.com> <1445393871-21775-1-git-send-email-jingjing.wu@intel.com> MIME-Version: 1.0 Content-Transfer-Encoding: 7Bit Content-Type: text/plain; charset="us-ascii" Cc: dev@dpdk.org Subject: Re: [dpdk-dev] [PATCH v2] i40e: fix the write back issue in FVL VF X-BeenThere: dev@dpdk.org X-Mailman-Version: 2.1.15 Precedence: list List-Id: patches and discussions about DPDK List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Fri, 30 Oct 2015 11:35:26 -0000 > > If DPDK is used on VF while the host is using Linux Kernel driver as PF driver on > > FVL NIC, then VF Rx is reported only in batches of > > 4 packets. It is due to the kernel driver assumes VF driver is working in interrupt > > mode, but DPDK VF is working in Polling mode. > > This patch fixes this issue by using the V1.1 virtual channel with Linux i40e PF > > driver. > > > > Signed-off-by: Jingjing Wu > Acked-by: Helin Zhang Applied, thanks