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 8B7C8A057C; Fri, 27 Mar 2020 15:51:09 +0100 (CET) Received: from [92.243.14.124] (localhost [127.0.0.1]) by dpdk.org (Postfix) with ESMTP id 3B34A1C201; Fri, 27 Mar 2020 15:51:08 +0100 (CET) Received: from mail-pg1-f193.google.com (mail-pg1-f193.google.com [209.85.215.193]) by dpdk.org (Postfix) with ESMTP id 6D6301C200 for ; Fri, 27 Mar 2020 15:51:07 +0100 (CET) Received: by mail-pg1-f193.google.com with SMTP id b22so4680471pgb.6 for ; Fri, 27 Mar 2020 07:51:07 -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=0X9rern43nj18311KAJFlZhTWXxSkNYMsD0G5dhgBf8=; b=SWB5k5MVf099MKkRlfNz9o4gdGKtuFfn+i7SF2i1lxhmM71w6tpJlRwzURpw+DcEAx 55fvf0dyRKOxJ53LjrJNcrbsINPPUxzaPmWHSqTWpPx83YU1+Hz+tOY7fZNau/A80/HW vpavl/gYBwt+OEibQ82tN3HJ+LYxR2exHtW3oCJ3Dg/DoC8zfSLROZAeywTbIPCpHTfZ csKcCcsrCfJTh3EO3Gl7oSWysFc24ezrX+v21X6gVi6vmjRIT6ax6GC5MDaRgchT48KJ Kbh3dQhSQ6cjopRefHUFVzrO24s7Oq4xOHdxwVjJSsXFJ2QC2p/qJe/x57qG8+pbu8px 6sfA== 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=0X9rern43nj18311KAJFlZhTWXxSkNYMsD0G5dhgBf8=; b=cyNRzEN0KNAhUNjSTD9SdRUUV6A3HKy7gzwszruh2GUKpXbXl2JLyQ4j3PvXF6jyK2 6BZ6v6di1Bz/jRI9mJ8XIWRMOWJptd+aL3tEl/+hdRgAArX3gN3Ch2ioWkSkapNuftrJ cmPZyPZe8PMRlJS44DBkptWdKOuelW88CRnNhgyiglQTE9Sdv0a5mG6E2dVtFxuOZsPL g3XL+tYKJ0mD5zkKRpPQKxNcGiV3zeZHxaASB7w+YYZPD1xWsYkA6ypmtuZcE4IDXFnU eBnE5CTYD5l/4AGzXXV3qvWEonn7TTQoGK2sxB1a6HIo/ZZ5Htu9+nSaUXXJ5k9My+QG ddOA== X-Gm-Message-State: ANhLgQ24YInaoGPKKhyLCeymm+C00zh39b6v/RxsS1lnuD/hXWZeP6bh RhycxV7MnbvpDYufIoOLcCijMg== X-Google-Smtp-Source: ADFU+vvi8c6iBg/ZOVk2ecsWEzDh98e+pjIcoB0XXVlIDGnzMy8tnx0IuT1lCGnZmF8nlzSoZQWCZA== X-Received: by 2002:aa7:99d1:: with SMTP id v17mr15759866pfi.165.1585320666583; Fri, 27 Mar 2020 07:51:06 -0700 (PDT) Received: from hermes.lan (204-195-22-127.wavecable.com. [204.195.22.127]) by smtp.gmail.com with ESMTPSA id v38sm3996390pjb.1.2020.03.27.07.51.05 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Fri, 27 Mar 2020 07:51:06 -0700 (PDT) Date: Fri, 27 Mar 2020 07:51:02 -0700 From: Stephen Hemminger To: Michal Krawczyk Cc: dev@dpdk.org, mw@semihalf.com, mba@semihalf.com, gtzalik@amazon.com, evgenys@amazon.com, igorch@amazon.com Message-ID: <20200327075102.65f68358@hermes.lan> In-Reply-To: <20200327101823.12646-2-mk@semihalf.com> References: <20200327101823.12646-1-mk@semihalf.com> <20200327101823.12646-2-mk@semihalf.com> MIME-Version: 1.0 Content-Type: text/plain; charset=US-ASCII Content-Transfer-Encoding: 7bit Subject: Re: [dpdk-dev] [PATCH 01/29] net/ena: check if size of buffer is at least 1400B 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: , Errors-To: dev-bounces@dpdk.org Sender: "dev" On Fri, 27 Mar 2020 11:17:55 +0100 Michal Krawczyk wrote: > + /* ENA isn't supporting buffers smaller than 1400 bytes */ > + buffer_size = mp->elt_size - sizeof(struct rte_mbuf) - > + RTE_PKTMBUF_HEADROOM; This should use rte_pktmbuf_data_room_size(mp) - RTE_PKTMBUF_HEADROOM