From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from mga09.intel.com (mga09.intel.com [134.134.136.24]) by dpdk.org (Postfix) with ESMTP id 890AD7CDF for ; Tue, 22 Aug 2017 11:31:59 +0200 (CEST) Received: from orsmga005.jf.intel.com ([10.7.209.41]) by orsmga102.jf.intel.com with ESMTP/TLS/DHE-RSA-AES256-GCM-SHA384; 22 Aug 2017 02:31:58 -0700 X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="5.41,411,1498546800"; d="scan'208";a="140585046" Received: from fyigit-mobl1.ger.corp.intel.com (HELO [10.237.220.57]) ([10.237.220.57]) by orsmga005.jf.intel.com with ESMTP; 22 Aug 2017 02:31:57 -0700 To: zimeiw Cc: dev@dpdk.org References: <2f4bdab7-9873-e293-26fd-36ef5f2d80a1@126.com> <34912f2e.542d.15e084275cd.Coremail.zimeiw@163.com> <4d5af588.9018.15e09100fb5.Coremail.zimeiw@163.com> From: Ferruh Yigit Message-ID: Date: Tue, 22 Aug 2017 10:31:56 +0100 User-Agent: Mozilla/5.0 (Windows NT 10.0; WOW64; rv:52.0) Gecko/20100101 Thunderbird/52.3.0 MIME-Version: 1.0 In-Reply-To: <4d5af588.9018.15e09100fb5.Coremail.zimeiw@163.com> Content-Type: text/plain; charset=UTF-8 Content-Language: en-US Content-Transfer-Encoding: 8bit Subject: Re: [dpdk-dev] Intel 82599ES send packets failed on dpdk-17.05.1 after traffic testing X-BeenThere: dev@dpdk.org X-Mailman-Version: 2.1.15 Precedence: list List-Id: DPDK patches and discussions List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Tue, 22 Aug 2017 09:31:59 -0000 On 8/22/2017 9:30 AM, zimeiw wrote: > hi, > > no use rte_eth_tx_prepare()? > > I set txq_flags value as below,  may it cause this issue? > >   .txq_flags = ~ETH_TXQ_FLAGS_NOXSUMS So you are enabling all csum offloading, for Tx path this requires packets to be prepared before sending to the NIC. Can you please test with rte_eth_tx_prepare()? testpmd has the sample usage. Thanks, ferruh > > -- > Best Regards, > zimeiw > > > At 2017-08-22 15:49:56, "Ferruh Yigit" wrote: >>On 8/22/2017 5:45 AM, zimeiw wrote: >>> hi, >>> My test env is dell T430 server, NIC is intel 82599ES. >>> I integrate my app with dpdk-17.05.1 version. after do some tcp traffic testing, app can receive packets from the 82599 NIC, but 82599 NIC send packets failed. >>> But my app with dpdk-17.02 works well. >>> >>> >>> If any change with ixgbe driver? or need some additional configuration for the NIC? >> >>tx_pkt_prepare added but it has been added on 17.02 which seems working >>for your case. >> >>Just to double check, are you using rte_eth_tx_prepare()? >> >>> >>> >>> >>> Thanks. >>> >>> >>> -- >>> >>> Best Regards, >>> zimeiw >>> >> > > > >   >