From mboxrd@z Thu Jan  1 00:00:00 1970
Return-Path: <thomas.monjalon@6wind.com>
Received: from mail-wm0-f46.google.com (mail-wm0-f46.google.com [74.125.82.46])
 by dpdk.org (Postfix) with ESMTP id F089332A5
 for <dev@dpdk.org>; Mon, 25 Jul 2016 15:43:47 +0200 (CEST)
Received: by mail-wm0-f46.google.com with SMTP id o80so157793292wme.1
 for <dev@dpdk.org>; Mon, 25 Jul 2016 06:43:47 -0700 (PDT)
DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed;
 d=6wind-com.20150623.gappssmtp.com; s=20150623;
 h=from:to:cc:subject:date:message-id:user-agent:in-reply-to
 :references:mime-version:content-transfer-encoding;
 bh=tkTQ1ldXks5cP7/DLkW8qlMfn+YFmzxfW4jWi+p2Kug=;
 b=EPxhI90E1ucQRVf1CpJDMgYgv4+bL7EBjSytE3sWFezTQrJcYfmP9g5lLXXvw+uE7S
 Ca8fjNsjO3CMIe1ZeEzW7UrLTKf0i59ejYBOC6AIIN4jaE690+/KwhylMOszq2Cu+LDH
 GqjOnjKG8wKyyih1jb8XgBH5SX6xBzkD6UA4uHsoBNvVP4rPtfjSyLxfhhjW9pzkWO/W
 Jgl+9ik06HwFVZC5j3xRA6tzK0LcTey9GjomAijWtYbaq4gIkhda6Rk2NVWCFPRkjpZV
 fCp6hhqSSOMLRolsGxJXnoNWQupNWqt9MR3dvapb47sJyBFmHCFaGPkH8WBH19e+bdH1
 IStA==
X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed;
 d=1e100.net; s=20130820;
 h=x-gm-message-state:from:to:cc:subject:date:message-id:user-agent
 :in-reply-to:references:mime-version:content-transfer-encoding;
 bh=tkTQ1ldXks5cP7/DLkW8qlMfn+YFmzxfW4jWi+p2Kug=;
 b=Pnv454IjVR3fLO9njOFDn4ps9NwkGMjKxv3FtDeflbPoQBXI0xpFO0g9Yr+Zl4iy7F
 tAzOCVOaDL7v4oeiDfMXqyL1yCawk5mAelLftIREmPBuQAqg9iFr4kHM/sG63EXzroR3
 3ZmkJBqiIe6xM0bPbbXBri8Gj+Hc8M3c9AEmYk96xEMSKX1qADQmZxBUg7Bv8n/1hD4g
 YruuVNQOLp1Wi4ryVJ7fSBlK6x+M25YUvwM4wUNaUJsl3wUhr7F0d/hCd15Vf1hb3Er/
 +Ss5bvxH20TBoqi39TEpX23YCWGq5HR7ruFo4o4wBGthE8j0yXUg5iLPdh72DiCrcc/B
 ouGA==
X-Gm-Message-State: ALyK8tJqrPbn/xmju6kOi/ZQ+wXAeR8QU/8aV08W2w3QgRwVCyCKMv/KzLOgwZY5sOMcX0EJ
X-Received: by 10.28.0.203 with SMTP id 194mr41168279wma.29.1469454227484;
 Mon, 25 Jul 2016 06:43:47 -0700 (PDT)
Received: from xps13.localnet (184.203.134.77.rev.sfr.net. [77.134.203.184])
 by smtp.gmail.com with ESMTPSA id uo4sm15894604wjc.36.2016.07.25.06.43.46
 (version=TLS1_2 cipher=ECDHE-RSA-AES128-GCM-SHA256 bits=128/128);
 Mon, 25 Jul 2016 06:43:46 -0700 (PDT)
From: Thomas Monjalon <thomas.monjalon@6wind.com>
To: Ferruh Yigit <ferruh.yigit@intel.com>, Zoltan Kiss <zoltan.kiss@schaman.hu>
Cc: dev@dpdk.org, Nicolas Pernas Maradei <nicolas.pernas.maradei@emutex.com>
Date: Mon, 25 Jul 2016 15:43:45 +0200
Message-ID: <48982545.S9g3uDomrp@xps13>
User-Agent: KMail/4.14.10 (Linux/4.5.4-1-ARCH; KDE/4.14.11; x86_64; ; )
In-Reply-To: <5796153A.1070007@intel.com>
References: <1469452240-1204-1-git-send-email-zoltan.kiss@schaman.hu>
 <5796153A.1070007@intel.com>
MIME-Version: 1.0
Content-Transfer-Encoding: 7Bit
Content-Type: text/plain; charset="us-ascii"
Subject: Re: [dpdk-dev] net/pcap: set rte_errno on TX error
X-BeenThere: dev@dpdk.org
X-Mailman-Version: 2.1.15
Precedence: list
List-Id: patches and discussions about DPDK <dev.dpdk.org>
List-Unsubscribe: <http://dpdk.org/ml/options/dev>,
 <mailto:dev-request@dpdk.org?subject=unsubscribe>
List-Archive: <http://dpdk.org/ml/archives/dev/>
List-Post: <mailto:dev@dpdk.org>
List-Help: <mailto:dev-request@dpdk.org?subject=help>
List-Subscribe: <http://dpdk.org/ml/listinfo/dev>,
 <mailto:dev-request@dpdk.org?subject=subscribe>
X-List-Received-Date: Mon, 25 Jul 2016 13:43:48 -0000

2016-07-25 14:33, Ferruh Yigit:
> On 7/25/2016 2:10 PM, Zoltan Kiss wrote:
> > This returns the error code provided by pcap_sendpacket()
> 
> Although this is good idea, this adds undocumented side effect to
> rte_eth_tx_burst().
> 
> I am not able to find any information in rte_eth_tx_burst() that it can
> alter rte_errno.
> 
> Since rte_errno is shared resource, it shouldn't be updated without
> documented.

That's something I was looking into.
Maybe we should generalize the use of rte_errno in 16.11?