From mboxrd@z Thu Jan  1 00:00:00 1970
Return-Path: <dev-bounces@dpdk.org>
Received: from dpdk.org (dpdk.org [92.243.14.124])
	by inbox.dpdk.org (Postfix) with ESMTP id 67538A0562;
	Tue, 31 Mar 2020 11:48:34 +0200 (CEST)
Received: from [92.243.14.124] (localhost [127.0.0.1])
	by dpdk.org (Postfix) with ESMTP id 456AE1C045;
	Tue, 31 Mar 2020 11:48:34 +0200 (CEST)
Received: from mail-ed1-f44.google.com (mail-ed1-f44.google.com
 [209.85.208.44]) by dpdk.org (Postfix) with ESMTP id EA7D81BFC1
 for <dev@dpdk.org>; Tue, 31 Mar 2020 11:48:32 +0200 (CEST)
Received: by mail-ed1-f44.google.com with SMTP id de14so24319914edb.4
 for <dev@dpdk.org>; Tue, 31 Mar 2020 02:48:32 -0700 (PDT)
DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed;
 d=semihalf-com.20150623.gappssmtp.com; s=20150623;
 h=mime-version:references:in-reply-to:from:date:message-id:subject:to
 :cc:content-transfer-encoding;
 bh=cGnNRmQQ9sCx0E4ftlt6nZzjHozQ2Ot41nZ8YXLiZko=;
 b=mWs0p+qCPWJefxTpOlUCbWesrW8G4e1S+gMHqihR4ugbcjkM0iY22vIVb+pCVmXuu+
 nZYIAVgZUfUbXwiGLxQonzxbzCvccBb62SUWnfmPa9ZTTNEguCC/cMtQ+IXQ+D+BosZL
 GbFIfHuuj02Be+St0Nkye8cIkMSFUaqj5RgbO4U+5WrxOz2LFtbWp9Ui29WNFdxJCspJ
 Beo60V5ESq+o6E35BIWLqOh928IPZl1JGfb/VQS5wk6XainkPvMaq8T8DNK2wohNJRSu
 xO0q4s+rq5wqQt/IuXlqwcirT3viZSr8jhT2aZDroKsyst5YSyz9M6v5qtlC0EixIkvM
 U0dA==
X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed;
 d=1e100.net; s=20161025;
 h=x-gm-message-state:mime-version:references:in-reply-to:from:date
 :message-id:subject:to:cc:content-transfer-encoding;
 bh=cGnNRmQQ9sCx0E4ftlt6nZzjHozQ2Ot41nZ8YXLiZko=;
 b=U+/i2mDsF4P9rSCL3Xx8O/fFk9iesDNGd2PWO1ONR1HW3yR6EJtG8smPIv2uAiJ0gw
 nSOISuOu+lhoEBwu+tINjli0rf1CugYateHyt950IFvmZ8s5wEAZhQsoDtP3JhYgRrrK
 /zKraweG00AHpN798p7vn16r2dW9CDkWT8NSoEtp2sYKMAHOanhRwa7iBFWbK015BNxL
 RzV9vI5Pokt/hPIlXg69/j7xheXWcI4/N7QuMrkiXYHTULbtqD7gNCoTZ++12T7EgjMk
 y1774CBFddiShLw4IKmjgzSl4ei2ZT7WwHIaphjhN8VpGT7Jfs5Hpimx7VGVADtfZsJv
 J4Cg==
X-Gm-Message-State: ANhLgQ1U4gfh/vePmpnAIRpwe7J2MiMHiW6pEmZInyUJHySig0m2cU7J
 hj8Xa2zL0yGmnHCL8E+WL9L7Ea+gVNCAZyBJ+42f4A==
X-Google-Smtp-Source: ADFU+vtjLGfMSCKxdjPZNUu8s8l/X2pPrkzhPmgB4Y3dZbsPLlCg0CAAI6GwRcbPnbY1ROSX/ykL0tr5dmM95SOUizE=
X-Received: by 2002:a17:906:164f:: with SMTP id
 n15mr9791295ejd.322.1585648112736; 
 Tue, 31 Mar 2020 02:48:32 -0700 (PDT)
MIME-Version: 1.0
References: <20200327101823.12646-1-mk@semihalf.com>
 <20200327101823.12646-2-mk@semihalf.com>
 <20200327075102.65f68358@hermes.lan>
In-Reply-To: <20200327075102.65f68358@hermes.lan>
From: =?UTF-8?Q?Micha=C5=82_Krawczyk?= <mk@semihalf.com>
Date: Tue, 31 Mar 2020 11:48:21 +0200
Message-ID: <CAJMMOfOrk4+qe_o=s0f45zz+KkL38EB1P6LWWYzbepoxwPymGA@mail.gmail.com>
To: Stephen Hemminger <stephen@networkplumber.org>
Cc: dev@dpdk.org, Marcin Wojtas <mw@semihalf.com>,
 Maciej Bielski <mba@semihalf.com>, 
 "Tzalik, Guy" <gtzalik@amazon.com>, "Schmeilin, Evgeny" <evgenys@amazon.com>, 
 "Chauskin, Igor" <igorch@amazon.com>
Content-Type: text/plain; charset="UTF-8"
Content-Transfer-Encoding: quoted-printable
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 <dev.dpdk.org>
List-Unsubscribe: <https://mails.dpdk.org/options/dev>,
 <mailto:dev-request@dpdk.org?subject=unsubscribe>
List-Archive: <http://mails.dpdk.org/archives/dev/>
List-Post: <mailto:dev@dpdk.org>
List-Help: <mailto:dev-request@dpdk.org?subject=help>
List-Subscribe: <https://mails.dpdk.org/listinfo/dev>,
 <mailto:dev-request@dpdk.org?subject=subscribe>
Errors-To: dev-bounces@dpdk.org
Sender: "dev" <dev-bounces@dpdk.org>

pt., 27 mar 2020 o 15:51 Stephen Hemminger
<stephen@networkplumber.org> napisa=C5=82(a):
>
> On Fri, 27 Mar 2020 11:17:55 +0100
> Michal Krawczyk <mk@semihalf.com> wrote:
>
> > +     /* ENA isn't supporting buffers smaller than 1400 bytes */
> > +     buffer_size =3D mp->elt_size - sizeof(struct rte_mbuf) -
> > +             RTE_PKTMBUF_HEADROOM;
>
> This should use rte_pktmbuf_data_room_size(mp) - RTE_PKTMBUF_HEADROOM

Thanks - I'll change it in v2.