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<p style="margin:0cm;background:white"><span class="uioutputtext"><span style="font-size:10.0pt;font-family:"Open Sans",sans-serif;color:#333333">I am using Mellanox Technologies MT27800 Family [ConnectX-5], using dpdk
</span></span><span class="uioutputtext"><span lang="EN-US" style="font-size:10.0pt;font-family:"Open Sans",sans-serif;color:#333333">19 with
</span></span><span class="uioutputtext"><span style="font-size:10.0pt;font-family:"Open Sans",sans-serif;color:#333333">multi rx queue with rss port_conf.rx_adv_conf.rss_conf.rss_hf</span></span><span class="uioutputtext"><span lang="EN-US" style="font-size:10.0pt;font-family:"Open Sans",sans-serif;color:#333333">=(</span></span><span class="uioutputtext"><span style="font-size:10.0pt;font-family:"Open Sans",sans-serif;color:#333333">ETH_RSS_IP
| ETH_RSS_UDP | ETH_RSS_TCP</span></span><span class="uioutputtext"><span lang="EN-US" style="font-size:10.0pt;font-family:"Open Sans",sans-serif;color:#333333">)</span></span><span lang="EN-US" style="font-size:10.0pt;font-family:"Open Sans",sans-serif;color:#333333"><o:p></o:p></span></p>
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<span class="uioutputtext"><span style="font-size:10.0pt;font-family:"Open Sans",sans-serif;color:#333333">I analyze traffic and need all packet of same session to arrive to the same process ( session for now can be ip+port)</span></span><span style="font-size:10.0pt;font-family:"Open Sans",sans-serif;color:#333333"><o:p></o:p></span></p>
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<span class="uioutputtext"><span style="font-size:10.0pt;font-family:"Open Sans",sans-serif;color:#333333">So Packet that have the same ip + port arrive to the same queue.</span></span><span style="font-size:10.0pt;font-family:"Open Sans",sans-serif;color:#333333"><o:p></o:p></span></p>
<p style="margin:0cm;background:white;box-sizing: border-box;font-variant-ligatures: normal;font-variant-caps: normal;orphans: 2;text-align:start;widows: 2;-webkit-text-stroke-width: 0px;text-decoration-thickness: initial;text-decoration-style: initial;text-decoration-color: initial;word-spacing:0px">
<span class="uioutputtext"><span style="font-size:10.0pt;font-family:"Open Sans",sans-serif;color:#333333">But If some packet are ip fragmented, packet arrive to different process. It is a problem!</span></span><span style="font-size:10.0pt;font-family:"Open Sans",sans-serif;color:#333333"><o:p></o:p></span></p>
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<span class="uioutputtext"><span style="font-size:10.0pt;font-family:"Open Sans",sans-serif;color:#333333">How can i calculate the hash value in the c++ code, like it is done in the card, so i can reassemble packets and send them to the same process like the
non fragmented packets</span></span><span class="uioutputtext"><span lang="EN-US" style="font-size:10.0pt;font-family:"Open Sans",sans-serif;color:#333333">?</span></span><span lang="EN-US" style="font-size:10.0pt;font-family:"Open Sans",sans-serif;color:#333333"><o:p></o:p></span></p>
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<span class="uioutputtext"><span style="font-size:10.0pt;font-family:"Open Sans",sans-serif;color:#333333"> </span></span><span lang="en-IL" style="mso-fareast-language:EN-US"><o:p></o:p></span></p>
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