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Mon, 05 Dec 2022 04:02:48 -0800 (PST) X-Google-Smtp-Source: AA0mqf6USSAw6lJOR2Mjs8ls1KqhiRfZ0LycVytpJzIhX7QkZkheGu0gebXrKXAdB4+cp1mVxiC7VQ== X-Received: by 2002:a05:600c:1e04:b0:3d0:bda:f20 with SMTP id ay4-20020a05600c1e0400b003d00bda0f20mr54824948wmb.105.1670241768534; Mon, 05 Dec 2022 04:02:48 -0800 (PST) Received: from [192.168.0.36] ([78.19.98.83]) by smtp.gmail.com with ESMTPSA id j11-20020a05600c190b00b003b47e75b401sm23966793wmq.37.2022.12.05.04.02.46 (version=TLS1_3 cipher=TLS_AES_128_GCM_SHA256 bits=128/128); Mon, 05 Dec 2022 04:02:47 -0800 (PST) Message-ID: Date: Mon, 5 Dec 2022 12:02:46 +0000 MIME-Version: 1.0 User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:102.0) Gecko/20100101 Thunderbird/102.5.0 To: David Marchand , "Zhang, Qi Z" Cc: "stable@dpdk.org" , "Yuan, DukaiX" , "Wang, Jie1X" , "dev@dpdk.org" , "Yang, SteveX" , "Yang, Qiming" , "Xing, Beilei" , "Zhang, Yuying" References: <20221110034524.467431-1-jie1x.wang@intel.com> From: Kevin Traynor Subject: Re: [PATCH] net/i40e: fix X722 NIC receives jumbo frame packets In-Reply-To: X-Mimecast-Spam-Score: 0 X-Mimecast-Originator: redhat.com Content-Language: en-US Content-Type: text/plain; charset=UTF-8; format=flowed Content-Transfer-Encoding: 7bit X-BeenThere: dev@dpdk.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: DPDK patches and discussions List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: dev-bounces@dpdk.org On 05/12/2022 11:15, David Marchand wrote: > Hi Kevin, Qi, > > On Thu, Nov 10, 2022 at 10:48 AM Zhang, Qi Z wrote: >>>> Subject: [PATCH] net/i40e: fix X722 NIC receives jumbo frame packets >>>> >>>> For NIC I40E_10G-10G_BASE_T_X722, when the port is configured with >>>> link speed, it cannot receive jumbo frame packets. >>>> >>>> Because it set maximum frame size failed when starts the port that the >>>> port link status is still down. >>>> >>>> This patch fix the error that starts the port will force set maximum frame >>> size. >>>> >>>> Fixes: 2184f7cdeeaa ("net/i40e: fix max frame size config at port >>>> level") >>>> Cc: stable@dpdk.org >>>> >>>> Signed-off-by: Jie Wang > > It seems this fix has been missed in 21.11 (for the reason we > discussed with Kevin offlist). > > Our QE reported that reception of jumbo frames seems broken in the 21.11 branch. > > I can reproduce with a X710 nic: v21.11.0 is fine, but v21.11.1 and > v21.11.2 show the following error log. > Dec 05 05:41:37 xxx ovs-vswitchd[53585]: > ovs|00183|dpdk|ERR|i40e_set_mac_max_frame(): Set max frame size at > port level not applicable on link down > > The log goes away with backporting this current patch. > Can this be added to 21.11 queue, and have Intel validate this issue? > Thanks David. I am have applied and pushing through CI. Will push to 21.11 branch when it completes. > Thanks! > >