From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from mga02.intel.com (mga02.intel.com [134.134.136.20]) by dpdk.org (Postfix) with ESMTP id 27BBF1B5F3 for ; Tue, 9 Oct 2018 18:48:12 +0200 (CEST) X-Amp-Result: SKIPPED(no attachment in message) X-Amp-File-Uploaded: False Received: from orsmga004.jf.intel.com ([10.7.209.38]) by orsmga101.jf.intel.com with ESMTP/TLS/DHE-RSA-AES256-GCM-SHA384; 09 Oct 2018 09:48:12 -0700 X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="5.54,361,1534834800"; d="scan'208";a="239867459" Received: from fyigit-mobl.ger.corp.intel.com (HELO [10.237.221.49]) ([10.237.221.49]) by orsmga004.jf.intel.com with ESMTP; 09 Oct 2018 09:48:09 -0700 To: Ori Kam , arybchenko@solarflare.com, stephen@networkplumber.org, adrien.mazarguil@6wind.com Cc: dev@dpdk.org, dekelp@mellanox.com, thomas@monjalon.net, nelio.laranjeiro@6wind.com, yskoh@mellanox.com, shahafs@mellanox.com References: <1537995646-95260-1-git-send-email-orika@mellanox.com> <1538917054-68283-1-git-send-email-orika@mellanox.com> From: Ferruh Yigit Openpgp: preference=signencrypt Autocrypt: addr=ferruh.yigit@intel.com; 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WOW64; rv:52.0) Gecko/20100101 Thunderbird/52.9.1 MIME-Version: 1.0 In-Reply-To: <1538917054-68283-1-git-send-email-orika@mellanox.com> Content-Type: text/plain; charset=utf-8 Content-Language: en-US Content-Transfer-Encoding: 7bit Subject: Re: [dpdk-dev] [PATCH v3 0/3] ethdev: add generic L2/L3 tunnel encapsulation actions 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: , X-List-Received-Date: Tue, 09 Oct 2018 16:48:13 -0000 On 10/7/2018 1:57 PM, Ori Kam wrote: > This series implement the generic L2/L3 tunnel encapsulation actions > and is based on rfc [1] "add generic L2/L3 tunnel encapsulation actions" > > Currenlty the encap/decap actions only support encapsulation > of VXLAN and NVGRE L2 packets (L2 encapsulation is where > the inner packet has a valid Ethernet header, while L3 encapsulation > is where the inner packet doesn't have the Ethernet header). > In addtion the parameter to to the encap action is a list of rte items, > this results in 2 extra translation, between the application to the action > and from the action to the NIC. This results in negetive impact on the > insertion performance. > > Looking forward there are going to be a need to support many more tunnel > encapsulations. For example MPLSoGRE, MPLSoUDP. > Adding the new encapsulation will result in duplication of code. > For example the code for handling NVGRE and VXLAN are exactly the same, > and each new tunnel will have the same exact structure. > > This series introduce a generic encapsulation for L2 tunnel types, and > generic encapsulation for L3 tunnel types. In addtion the new > encapsulations commands are using raw buffer inorder to save the > converstion time, both for the application and the PMD. > > [1]https://mails.dpdk.org/archives/dev/2018-August/109944.html > > v3: > * rebase on tip. > > v2: > * add missing decap_l3 structure. > * fix typo. > > > Ori Kam (3): > ethdev: add generic L2/L3 tunnel encapsulation actions > app/testpmd: convert testpmd encap commands to new API > ethdev: remove vxlan and nvgre encapsulation commands Reminder of this patchset, any reviews welcome.