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<p class="MsoNormal"><span lang="EN-US">Hello,<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-US"><o:p> </o:p></span></p>
<p class="MsoNormal"><span lang="EN-US">The Flex item API allows to extend network protocols provided in port hardware.<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-US">The API allows DPDK application build a custom network protocol parser after providing the protocol description.<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-US">You can create a Flex item for network protocols you’ve mentioned over mlx5 BlueField-2 ports.<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-US"><o:p> </o:p></span></p>
<p class="MsoNormal"><span lang="EN-US">Regards,<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-US">Gregory <o:p></o:p></span></p>
<p class="MsoNormal"><span lang="en-IL"><o:p> </o:p></span></p>
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<p class="MsoNormal"><b><span lang="EN-US" style="mso-fareast-language:#2000">From:</span></b><span lang="EN-US" style="mso-fareast-language:#2000"> Tarun Badnora <tarun.badnora@clear-trail.com>
<br>
<b>Sent:</b> Thursday, 10 November 2022 16:48<br>
<b>To:</b> dev@dpdk.org<br>
<b>Subject:</b> RSS on L2TP, Teredo, PPPoE Tunnels<o:p></o:p></span></p>
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<p class="MsoNormal"><o:p> </o:p></p>
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<p class="MsoNormal"><b><span style="font-size:7.5pt;font-family:"Verdana",sans-serif;color:black;mso-fareast-language:#2000">External email: Use caution opening links or attachments</span></b><span style="font-size:7.5pt;font-family:"Verdana",sans-serif;color:black;mso-fareast-language:#2000">
</span><span style="mso-fareast-language:#2000"><o:p></o:p></span></p>
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<p class="MsoNormal"><span lang="EN-IN" style="mso-fareast-language:#2000"><o:p> </o:p></span></p>
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<p class="MsoNormal"><span lang="EN-IN"><o:p> </o:p></span></p>
<p class="MsoNormal"><span lang="EN-IN">Hello DPDK Team,<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-IN"><o:p> </o:p></span></p>
<p class="MsoNormal"><span lang="EN-IN">Hope you guys are doing great !!<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-IN"><o:p> </o:p></span></p>
<p class="MsoNormal"><span lang="EN-IN">We are developing application with dpdk 22.03 & Mellanox Connectx-6 adapter,<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-IN">Want to use IP-Port tuples (Inner in case of tunnels) to RSS traffic to multiple queues.<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-IN"><o:p> </o:p></span></p>
<p class="MsoNormal"><span lang="EN-IN">We need to handle L2TPv2/3, Teredo, PPPoE etc, but adapter have limited tunnels support.<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-IN"><o:p> </o:p></span></p>
<p class="MsoNormal"><span lang="EN-IN">Is there a way/possibility in DPDK to support mentioned or define user specific tunnels & achieve RSS on inner tuples ?
<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-IN"><o:p> </o:p></span></p>
<p class="MsoNormal"><span lang="EN-IN">From documentation, we came across these approaches:<o:p></o:p></span></p>
<ol style="margin-top:0cm" start="1" type="1">
<li class="MsoListParagraph" style="margin-left:0cm;mso-list:l0 level1 lfo2"><span lang="EN-IN">Rte flow Flex item:
<o:p></o:p></span></li></ol>
<ol style="margin-top:0cm" start="1" type="1">
<ol style="margin-top:0cm" start="1" type="a">
<li class="MsoListParagraph" style="margin-left:0cm;mso-list:l0 level2 lfo2"><span lang="EN-IN">This is not supported by adapter.
<o:p></o:p></span></li></ol>
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<li class="MsoListParagraph" style="margin-left:0cm;mso-list:l0 level1 lfo2"><span lang="EN-IN">testpmd> flow tunnel create 0 type “”:<o:p></o:p></span></li></ol>
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<ol style="margin-top:0cm" start="1" type="a">
<li class="MsoListParagraph" style="margin-left:0cm;mso-list:l0 level2 lfo2"><span lang="EN-IN"> Not getting documentation to check.<o:p></o:p></span></li></ol>
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<p class="MsoListParagraph" style="margin-left:72.0pt"><span lang="EN-IN"><o:p> </o:p></span></p>
<p class="MsoNormal"><span lang="EN-IN">Please suggest.<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-IN"><o:p> </o:p></span></p>
<p class="MsoNormal"><u><span lang="EN-IN">Environment:<o:p></o:p></span></u></p>
<ul style="margin-top:0cm" type="disc">
<li class="MsoListParagraph" style="margin-left:0cm;mso-list:l1 level1 lfo4"><span lang="EN-IN">OS: Ubuntu 20.04<o:p></o:p></span></li><li class="MsoListParagraph" style="margin-left:0cm;mso-list:l1 level1 lfo4"><span lang="EN-IN">Driver: MLNX_OFED_LINUX-5.5-1.0.3.2<o:p></o:p></span></li><li class="MsoListParagraph" style="margin-left:0cm;mso-list:l1 level1 lfo4"><span lang="EN-IN">Firmware: 22.32.2004<o:p></o:p></span></li></ul>
<p class="MsoNormal"><span lang="EN-IN"><o:p> </o:p></span></p>
<p class="MsoNormal"><span lang="EN-IN">Regards,<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-IN">Tarun Badnora<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-IN"><o:p> </o:p></span></p>
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