From mboxrd@z Thu Jan  1 00:00:00 1970
Return-Path: <sami.assaad@alcatel-lucent.com>
Received: from smtp-fr.alcatel-lucent.com (fr-hpida-esg-01.alcatel-lucent.com
 [135.245.210.20]) by dpdk.org (Postfix) with ESMTP id 23346C9C6
 for <dev@dpdk.org>; Fri, 26 Jun 2015 18:56:21 +0200 (CEST)
Received: from us70tusmtp2.zam.alcatel-lucent.com (unknown [135.5.2.64])
 by Websense Email Security Gateway with ESMTPS id 041F356E1C98F
 for <dev@dpdk.org>; Fri, 26 Jun 2015 16:56:17 +0000 (GMT)
Received: from US70UWXCHHUB01.zam.alcatel-lucent.com
 (us70uwxchhub01.zam.alcatel-lucent.com [135.5.2.48])
 by us70tusmtp2.zam.alcatel-lucent.com (GMO) with ESMTP id t5QGuJEY005378
 (version=TLSv1/SSLv3 cipher=AES128-SHA bits=128 verify=FAIL)
 for <dev@dpdk.org>; Fri, 26 Jun 2015 16:56:19 GMT
Received: from US70TWXCHMBA07.zam.alcatel-lucent.com ([169.254.1.180]) by
 US70UWXCHHUB01.zam.alcatel-lucent.com ([135.5.2.48]) with mapi id
 14.03.0195.001; Fri, 26 Jun 2015 12:56:19 -0400
From: "Assaad, Sami (Sami)" <sami.assaad@alcatel-lucent.com>
To: "dev@dpdk.org" <dev@dpdk.org>
Thread-Topic: 10G Interface used as PCI Pass-Through reports 64bytes / packet
Thread-Index: AdCwMQTUCXg/w0KeRdCfiJzhxdVx0w==
Date: Fri, 26 Jun 2015 16:56:18 +0000
Message-ID: <9478F0FB69DAA249AF0A9BDA1E6ED95218841F3C@US70TWXCHMBA07.zam.alcatel-lucent.com>
Accept-Language: en-US
Content-Language: en-US
X-MS-Has-Attach: 
X-MS-TNEF-Correlator: 
x-originating-ip: [135.5.27.17]
MIME-Version: 1.0
Content-Type: text/plain; charset="us-ascii"
Content-Transfer-Encoding: quoted-printable
X-Content-Filtered-By: Mailman/MimeDel 2.1.15
Subject: [dpdk-dev] 10G Interface used as PCI Pass-Through reports 64bytes /
	packet
X-BeenThere: dev@dpdk.org
X-Mailman-Version: 2.1.15
Precedence: list
List-Id: patches and discussions about DPDK <dev.dpdk.org>
List-Unsubscribe: <http://dpdk.org/ml/options/dev>,
 <mailto:dev-request@dpdk.org?subject=unsubscribe>
List-Archive: <http://dpdk.org/ml/archives/dev/>
List-Post: <mailto:dev@dpdk.org>
List-Help: <mailto:dev-request@dpdk.org?subject=help>
List-Subscribe: <http://dpdk.org/ml/listinfo/dev>,
 <mailto:dev-request@dpdk.org?subject=subscribe>
X-List-Received-Date: Fri, 26 Jun 2015 16:56:21 -0000

Hello,

Is it normal that a 10G NIC interface, supporting the 82599 Ethernet Contro=
ller, configured as PCI Pass-through for a virtual machine using DPDK,  rep=
orts 64 bytes per packet; no matter what the packet size?

If so; I'm assuming this is to improve the performance of passing the netwo=
rk traffic to the VM.  Is there a way to configure the NIC to properly pres=
ent the proper byte count/packet?

Thanks in advance.

Best Regards,
Sami.