From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from smtpout.netcore.co.in (sm.nsmailserv.com [202.162.237.18]) by dpdk.org (Postfix) with ESMTP id 4294D377A for ; Wed, 12 Apr 2017 14:59:45 +0200 (CEST) Received: from cf3.netcore.co.in (unknown [203.199.124.153]) by smtpout1.netcore.co.in (Postfix) with ESMTP id 6F8F01CA5377 for ; Wed, 12 Apr 2017 18:29:45 +0530 (IST) Received: from smtpin4.netcore.co.in (unknown [192.168.2.129]) by cf3.netcore.co.in (Postfix) with ESMTP id 4830A120044 for ; Wed, 12 Apr 2017 18:29:42 +0530 (IST) Received: from localhost.localdomain (unknown [59.90.246.43]) (using TLSv1.2 with cipher DHE-RSA-AES256-SHA (256/256 bits)) (No client certificate requested) (Authenticated sender: karthikraj.palanichamy@veryxtech.com) by smtpin4.netcore.co.in (Postfix) with ESMTPSA id 6D8A911DCF9 for ; Wed, 12 Apr 2017 18:26:27 +0530 (IST) To: dev@dpdk.org References: <58EE22B5.5040001@veryxtech.com> From: Karthikraj palanichamy Message-ID: <58EE24B9.4050200@veryxtech.com> Date: Wed, 12 Apr 2017 18:29:37 +0530 User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:38.0) Gecko/20100101 Thunderbird/38.8.0 MIME-Version: 1.0 In-Reply-To: <58EE22B5.5040001@veryxtech.com> X-SMTP30-MailScanner-Information: Please contact the ISP for more information X-MailScanner-ID: 6D8A911DCF9.A2910 X-SMTP30-MailScanner: Found to be clean X-MailScanner-From: karthikraj.palanichamy@veryxtech.com X-Spam-Status: No X-Cloudmilter-Processed: 1 Content-Type: text/plain; charset=utf-8; format=flowed Content-Transfer-Encoding: 7bit X-Content-Filtered-By: Mailman/MimeDel 2.1.15 Subject: Re: [dpdk-dev] I350 jumbo frame transmission 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: Wed, 12 Apr 2017 12:59:45 -0000 But I could receive frames upto 16384 bytes. If 'max_rx_pktlen' is meant only for reception, then is there any way I could get the maximum tx capability? On 04/12/2017 06:21 PM, Karthikraj palanichamy wrote: > Hi, > > I am using I350 card. The API rte_eth_dev_info_get() updated the > parameter 'max_rx_pktlen' in 'struct rte_eth_dev_info' as 16384. > > But when I try transmission with multiple segments, I could not > transmit more than 9732 bytes. > > I tried with testpmd and getting the same results.ie) couldn't > transmit more than 9732 using testpmd. > > Is this a limitation or am I missing anything? > > Note : I tried with X540 card. I got 'max_rx_pktlen' as 15387 and I > could transmit and receive upto 15387. > > Thanks > Karthik DISCLAIMER: Privileged and/or Confidential information may be contained in this message. If you are not the addressee of this message, you may not copy, use or deliver this message to anyone. In such event,you should destroy the message and kindly notify the sender by reply e-mail. It is understood that opinions or conclusions that do not relate to the official business of the company are neither given nor endorsed by the company.