From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from dpdk.org (dpdk.org [92.243.14.124]) by inbox.dpdk.org (Postfix) with ESMTP id 4666FA053D for ; Wed, 5 Aug 2020 20:00:44 +0200 (CEST) Received: from [92.243.14.124] (localhost [127.0.0.1]) by dpdk.org (Postfix) with ESMTP id D29472C23; Wed, 5 Aug 2020 20:00:43 +0200 (CEST) Received: from mail-pl1-f181.google.com (mail-pl1-f181.google.com [209.85.214.181]) by dpdk.org (Postfix) with ESMTP id 06B86E07 for ; Wed, 5 Aug 2020 20:00:42 +0200 (CEST) Received: by mail-pl1-f181.google.com with SMTP id r4so15088069pls.2 for ; Wed, 05 Aug 2020 11:00:41 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=networkplumber-org.20150623.gappssmtp.com; s=20150623; h=date:from:to:cc:subject:message-id:in-reply-to:references :mime-version:content-transfer-encoding; bh=UloQZtID+EJxnVScJCBqlyIHuv+U0rBT3vCUQ/436C4=; b=wspzn5HTB+V7puVwxULYxCYYflt5bUz5Np8UoGpPq+SIiGIZpp+4LHRNTuaUl9mu4t mmE8F14DhbnzD4YuEaawPz3aghlwBV3TKTEa+2dgx3PNt9CY9eJfRb6Ph7keU/B+OqSP CvvU7o5l9LVnEy2wHceWw7y9itahr/ZAkE6G+GR4wWqZTrdaWUOWvsssmAe1wjP9t1SZ AaAyZ0pFtnlkREUydumV7l4GQzTrRIB7r5p77E0LtdL9cf2su42uOvprIlUy5L9GrclB Mdk5o0jNg2QwN05lBumPc9mwDcVB1XrHS+ALUCsgxOCb9AemtnIgGR6gSZZlwOSAVBf/ ajBg== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:date:from:to:cc:subject:message-id:in-reply-to :references:mime-version:content-transfer-encoding; bh=UloQZtID+EJxnVScJCBqlyIHuv+U0rBT3vCUQ/436C4=; b=tu7xK6tXgENSh2uh5MjhDdTS2LCrEl0IHsE884TsD8/Mpufkf5xbSADTWfXbhmu2sT BvkCKFSkTXFynnCldiYN4yA8dUAxMxsmwG1Czcnfbe3fNFsyzVULhohiKQ23ln+v6gao O7y2p7Ow2xOKQFY7PaGqo/0olXLeWAxeyOo5AshUQOdNkA3riu236TlrBP1iN2H3gBZd bkYs+c44uwl1hRy1OqrVNdyR/wFTsaWIoo6aMLABbT5hDCm/k27opAa2e1gxRqfo6rkX 0VmJmU87CmgiEhym8XAvFGFTJpJrn8XqAjSJOy1Dz1nMqE/0HsonIOWETzs4Yx5yilX8 wSBA== X-Gm-Message-State: AOAM530jJ8U6F7dQw8BjbzhOq3ba/U6X+2C+Ib9SXvoZ+m/cEIPWS45n SAgPiG0FgtQlVhcKttXGs+1vYw== X-Google-Smtp-Source: ABdhPJycURHtrS3dOcmbZFb2h1UBrT41VPT+OUbb/fDzO2zxHRiJrUqfrBIL89+leuEGiNxPSmY4Bw== X-Received: by 2002:a17:90a:ac04:: with SMTP id o4mr4295120pjq.130.1596650441154; Wed, 05 Aug 2020 11:00:41 -0700 (PDT) Received: from hermes.lan (204-195-22-127.wavecable.com. [204.195.22.127]) by smtp.gmail.com with ESMTPSA id lk16sm3587516pjb.13.2020.08.05.11.00.40 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Wed, 05 Aug 2020 11:00:40 -0700 (PDT) Date: Wed, 5 Aug 2020 11:00:31 -0700 From: Stephen Hemminger To: David Aldrich Cc: users Message-ID: <20200805110031.5d5604cc@hermes.lan> In-Reply-To: References: MIME-Version: 1.0 Content-Type: text/plain; charset=US-ASCII Content-Transfer-Encoding: 7bit Subject: Re: [dpdk-users] How to receive jumbo packets? X-BeenThere: users@dpdk.org X-Mailman-Version: 2.1.15 Precedence: list List-Id: DPDK usage discussions List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: users-bounces@dpdk.org Sender: "users" On Wed, 5 Aug 2020 18:38:01 +0100 David Aldrich wrote: > Hi > > Our dpdk application uses dpdk-stable-18.11.9. It successfully receives udp > packets <1500 octets, but does not correctly process larger udp packets. > > I don't know where to look. Is there a DPDK function that sets or takes the > MTU size for reception? > > How would jumbo packets typically be supported on the Rx side? > > Best regards > David Did you configure larger mtu and enable jumbo in the rx_conf?