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 21BEF293C; Wed, 25 Jan 2017 15:40:33 +0100 (CET) Received: from orsmga003.jf.intel.com ([10.7.209.27]) by orsmga102.jf.intel.com with ESMTP; 25 Jan 2017 06:40:32 -0800 X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="5.33,284,1477983600"; d="scan'208";a="926505925" Received: from fyigit-mobl1.ger.corp.intel.com (HELO [10.237.220.38]) ([10.237.220.38]) by orsmga003.jf.intel.com with ESMTP; 25 Jan 2017 06:40:30 -0800 To: "Dai, Wei" , Yuanhan Liu , Yi Zhang References: <20161214185019.19581-1-zhang.yi75@zte.com.cn> <20161214070621.GJ18991@yliu-dev.sh.intel.com> <49759EB36A64CF4892C1AFEC9231E8D63A355A02@PGSMSX106.gar.corp.intel.com> <49759EB36A64CF4892C1AFEC9231E8D63A355A13@PGSMSX106.gar.corp.intel.com> Cc: "Zhang, Helin" , "Ananyev, Konstantin" , "dev@dpdk.org" , "Lu, Wenzhuo" , dpdk stable From: Ferruh Yigit Message-ID: Date: Wed, 25 Jan 2017 14:40:30 +0000 User-Agent: Mozilla/5.0 (Windows NT 10.0; WOW64; rv:45.0) Gecko/20100101 Thunderbird/45.6.0 MIME-Version: 1.0 In-Reply-To: <49759EB36A64CF4892C1AFEC9231E8D63A355A13@PGSMSX106.gar.corp.intel.com> Content-Type: text/plain; charset=windows-1252 Content-Transfer-Encoding: 7bit Subject: Re: [dpdk-dev] [PATCH v3] net/ixgbe:fix max packet length in ixgbevf 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, 25 Jan 2017 14:40:37 -0000 On 1/25/2017 1:42 AM, Dai, Wei wrote: >> -----Original Message----- >> From: dev [mailto:dev-bounces@dpdk.org] On Behalf Of Dai, Wei >> Sent: Wednesday, January 25, 2017 9:40 AM >> To: Yuanhan Liu ; Yi Zhang >> >> Cc: Zhang, Helin ; Ananyev, Konstantin >> ; dev@dpdk.org; Lu, Wenzhuo >> >> Subject: Re: [dpdk-dev] [PATCH v3] net/ixgbe:fix max packet length in ixgbevf >> >> I think your patch does fix an error in ixgbevf and I can acknowledge it after I >> have checked with 82599 and x540 and x550 datasheet. >> >> In 82599 datasheet, there is an annotation in the chapter 1.3 Features >> Summary (page 29) The 82599 supports full-size 15.5 KB (15872-byte) jumbo >> packets while in a basic mode of operation. When DCB mode is enabled, or >> security engines enabled or virtualization is enabled, the 82599 supports 9.5 KB >> (9728-byte) jumbo packets >> >> In x540 datasheet, there is also an annotation in the chapter 1.3 Features >> Summary (page 13) The X540 and 82599 support full-size 15.5 KB jumbo >> packets while in a basic mode of operation. When DCB mode is enabled, or >> security engines enabled, or virtualization is enabled, or OS2BMC is enabled, >> then the X540 supports 9.5 KB jumbo packets. >> Packets to/from MC longer than 2KB are filtered out. >> >> In x550 datasheet, there is still also an annotation in the chapter 1.4 Feature >> Summary (page 23) All the products support full-size 15.5 KB jumbo packets >> while in a basic mode of operation. When DCB mode is enabled, or security >> engines enabled, or virtualization is enabled, or OS2BMC is enabled, then only >> 9.5 KB jumbo packets are supported. Packets to/ from the MC longer than 2 KB >> are filtered out. >> >> >>> -----Original Message----- >>> From: dev [mailto:dev-bounces@dpdk.org] On Behalf Of Yuanhan Liu >>> Sent: Wednesday, December 14, 2016 3:06 PM >>> To: Yi Zhang >>> Cc: Zhang, Helin ; Ananyev, Konstantin >>> ; dev@dpdk.org >>> Subject: Re: [dpdk-dev] [PATCH v3] net/ixgbe:fix max packet length in >>> ixgbevf >>> >>> On Thu, Dec 15, 2016 at 02:50:19AM +0800, Yi Zhang wrote: >>>> Current ixgbevf driver get max_rx_pktlen = 15872, but in fact PF >>>> supports 15872-byte jumbo frame and VF only supports 9728-byte jumbo >>>> frame. If VF is running DPDK driver and set frame_size > 9728 ,PF >>>> running kernel ixgbe driver will report an error and set VF failed. >>>> This patch fixs DPDK ixgbevf driver to get correct jumbo frame size >>>> of VF. >>>> Fixes: 2144f6630fca ("ixgbe: add redirection table size in device info") Cc: stable@dpdk.org >>>> Signed-off-by: Yi Zhang > Acked-by: Wei Dai Applied to dpdk-next-net/master, thanks. (datasheet references by Wei added into commit log)