From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from mail-wi0-f173.google.com (mail-wi0-f173.google.com [209.85.212.173]) by dpdk.org (Postfix) with ESMTP id B5E815958 for ; Wed, 9 Sep 2015 14:29:42 +0200 (CEST) Received: by wicge5 with SMTP id ge5so153083684wic.0 for ; Wed, 09 Sep 2015 05:29:42 -0700 (PDT) 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=HorJiyq9bI72M3V2IPAgHekjC/8k0OEk5CDbPjeCa08=; b=GaCCUtX59OpYtOEmPSNYrKs4HrYOA0zkeV4TneGU9hBUJcjsODAnFMBJ3Vud5mpTUj 7kUmbTpfE1yHGSBVvlAF7jxfLiNXN5aU+No75J2N2A9wad+GXN9Ph3XTWZNTDZhoi/0A XoWYQi+xeyOZMmJyvWOaZmrVSio8yNyJb3gsE7CjpJipRaaxY+IJQuNQ3nCvogeUQ+ya +guZlVhLLqZgTz0rOdpdohZIKZhdQDQvX/vQ27mbrDSgP7xlOuoG03q4MMwe802Icbf2 rJIAHIncFy+aGAS3pDY9RXi59zuWuTmK+Y4avYt4ZaW8/OEqwU74OOeSVMleoGWQFhlc WXZg== X-Gm-Message-State: ALoCoQnziIDKG8urM6Zw1nyGj2LNEakVrvhyQ1WW2I7IYee7Xhbt/iQll2eQ+ezhQ7Tj8jsjwY90 X-Received: by 10.180.19.68 with SMTP id c4mr3165678wie.50.1441801782514; Wed, 09 Sep 2015 05:29:42 -0700 (PDT) Received: from xps13.localnet (guy78-3-82-239-227-177.fbx.proxad.net. [82.239.227.177]) by smtp.gmail.com with ESMTPSA id mc18sm3624499wic.23.2015.09.09.05.29.41 (version=TLSv1.2 cipher=ECDHE-RSA-AES128-GCM-SHA256 bits=128/128); Wed, 09 Sep 2015 05:29:41 -0700 (PDT) From: Thomas Monjalon To: "Lu, Wenzhuo" Date: Wed, 09 Sep 2015 14:28:34 +0200 Message-ID: <5000913.VDPRVFQlOm@xps13> Organization: 6WIND User-Agent: KMail/4.14.10 (Linux/4.1.6-1-ARCH; KDE/4.14.11; x86_64; ; ) In-Reply-To: <9BB6961774997848B5B42BEC655768F8CCADE4@SHSMSX104.ccr.corp.intel.com> References: <1440573069-9385-1-git-send-email-wenzhuo.lu@intel.com> <9BB6961774997848B5B42BEC655768F8CCADE4@SHSMSX104.ccr.corp.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] ixgbe: fix a x550 DCB issue 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: Wed, 09 Sep 2015 12:29:43 -0000 > > There's a DCB issue on x550. For 8 TCs, if a packet with user priority 6 or 7 is > > injected to the NIC, then the NIC will put 3 packets into the queue. There's > > also a similar issue for 4 TCs. > > The root cause is RXPBSIZE is not right. RXPBSIZE of x550 is 384. It's different > > from other 10G NICs. We need to set the RXPBSIZE according to the NIC type. > > > > Signed-off-by: Wenzhuo Lu > Acked-by: Jingjing Wu Applied, thanks