From mboxrd@z Thu Jan  1 00:00:00 1970
Return-Path: <medvedkinv@gmail.com>
Received: from mail-la0-x229.google.com (mail-la0-x229.google.com
 [IPv6:2a00:1450:4010:c03::229])
 by dpdk.org (Postfix) with ESMTP id 34E7E156
 for <dev@dpdk.org>; Thu,  7 Nov 2013 22:04:16 +0100 (CET)
Received: by mail-la0-f41.google.com with SMTP id ea20so947529lab.0
 for <dev@dpdk.org>; Thu, 07 Nov 2013 13:05:09 -0800 (PST)
DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20120113;
 h=mime-version:in-reply-to:references:date:message-id:subject:from:to
 :content-type; bh=SEWhomoXSCbEgsdG7lSIUscbndtTyMyvk6KccKCw2Fs=;
 b=wyq7MK+QCfSFwPTrq/OcqD596Zvd+gyeBEFev8O3EZEm+Y7HRuEJ7oo1cgpLP3KRyf
 OTVKLIWCirIsvd48tdMGejh56z8KEE2KjruZRLoROmqG1CdQBOOtckl8C1C3daTQayg0
 OGmxSkTqdV1K6RQcfKp57TVBe4OVCGlzAwfPbC5LYu5cHPot5qoM/2uNRSRYHUvo3UuO
 ujzMQw6hD1DKDfO6DwucBRiKGJAmSUGgyegnc4Rjc+3mCbiYaSobotBppf4BmoaXidgh
 6ZkbXHXSVixIUfsl90jKDxvYsIwxndhkIWox4x8OT1k7TgbPEXdntLrL02cha8GxzIRL
 MfaQ==
MIME-Version: 1.0
X-Received: by 10.152.120.73 with SMTP id la9mr7740256lab.3.1383858309719;
 Thu, 07 Nov 2013 13:05:09 -0800 (PST)
Received: by 10.114.12.233 with HTTP; Thu, 7 Nov 2013 13:05:09 -0800 (PST)
In-Reply-To: <CA+8v-JziNxf5e=m-y-JEeRyoRnpk14rmXo3X5acasV3ocdbbMw@mail.gmail.com>
References: <CA+8v-JziNxf5e=m-y-JEeRyoRnpk14rmXo3X5acasV3ocdbbMw@mail.gmail.com>
Date: Fri, 8 Nov 2013 01:05:09 +0400
Message-ID: <CANDrEHmzUgHS8pvVbQa7FChOVR50gAeE=zsS4tmZ=30KLDHvBQ@mail.gmail.com>
From: Vladimir Medvedkin <medvedkinv@gmail.com>
To: "dev@dpdk.org" <dev@dpdk.org>
Content-Type: text/plain; charset=ISO-8859-1
X-Content-Filtered-By: Mailman/MimeDel 2.1.15
Subject: Re: [dpdk-dev] TX IP checksum offloading
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: Thu, 07 Nov 2013 21:04:16 -0000

Hi,

Did you set
                m->pkt.vlan_macip.f.l2_len = sizeof(struct ether_hdr);
                m->pkt.vlan_macip.f.l3_len = sizeof(struct ipv4_hdr);
 fields?

Regards,
Vladimir


2013/11/7 Daniel Kaminsky <daniel.kaminsky@infinitelocality.com>

> Hi,
>
> Did anyone had an experience using the PKT_TX_IP_CKSUM flag?
> I have an application that generates IP traffic but whenever I try to set
> this flag on (*m->ol_flags = PKT_TX_IP_CKSUM)* the rte_mbuf nothing is sent
> out.
> Retrieving that statistics from the ethernet device show zero for opackets
> and oerrors.
>
> I'm using ixgbe driver and DPDK 1.5.0-8 (from Intel) distribution.
>
> Thanks,
> Daniel
>