<div dir="ltr"><pre style="font-size:10.5pt"><p style="color:rgb(14,16,26);background:transparent;margin-top:0pt;margin-bottom:0pt"><span style="background:transparent;margin-top:0pt;margin-bottom:0pt">Hi Folks,

</span></p><p style="color:rgb(14,16,26);background:transparent;margin-top:0pt;margin-bottom:0pt"></p><p style="color:rgb(14,16,26);background:transparent;margin-top:0pt;margin-bottom:0pt"><span style="background:transparent;margin-top:0pt;margin-bottom:0pt">I am observing that DPDK test-pmd with IAVF PMD, ICEN PF driver, </span></p><p style="color:rgb(14,16,26);background:transparent;margin-top:0pt;margin-bottom:0pt"><span style="background:transparent;margin-top:0pt;margin-bottom:0pt">reporting statistics incorrectly</span><span style="background:transparent;margin-top:0pt;margin-bottom:0pt"> when the RX side generates a UDP flow that randomizes or increments IP/UDP header data (IP/port, etc). </span></p><p style="color:rgb(14,16,26);background:transparent;margin-top:0pt;margin-bottom:0pt"><span style="background:transparent;margin-top:0pt;margin-bottom:0pt">I tested all 23.x stable and all branches.</span></p><p style="color:rgb(14,16,26);background:transparent;margin-top:0pt;margin-bottom:0pt"></p><p style="color:rgb(14,16,26);background:transparent;margin-top:0pt;margin-bottom:0pt"><span style="background:transparent;margin-top:0pt;margin-bottom:0pt">
-If I use </span><strong style="background:transparent;margin-top:0pt;margin-bottom:0pt"><span style="background:transparent;margin-top:0pt;margin-bottom:0pt">single</span></strong><span style="background:transparent;margin-top:0pt;margin-bottom:0pt"> flow (on the TX side, all tuples are the same on the RX </span></p><p style="color:rgb(14,16,26);background:transparent;margin-top:0pt;margin-bottom:0pt"><span style="background:transparent;margin-top:0pt;margin-bottom:0pt">HASH() produce -> same result). no issue.</span></p><p style="color:rgb(14,16,26);background:transparent;margin-top:0pt;margin-bottom:0pt"><span style="background:transparent;margin-top:0pt;margin-bottom:0pt">So, on the RX side, I see all zero packet drops and the correct pps value reported by test-pmd.</span></p><p style="color:rgb(14,16,26);background:transparent;margin-top:0pt;margin-bottom:0pt"></p><p style="color:rgb(14,16,26);background:transparent;margin-top:0pt;margin-bottom:0pt"><span style="background:transparent;margin-top:0pt;margin-bottom:0pt">
- If I increase the number of flows ( IP/UDP, etc.), the PPS Counter and byte/pkt counter </span></p><p style="color:rgb(14,16,26);background:transparent;margin-top:0pt;margin-bottom:0pt"><span style="background:transparent;margin-top:0pt;margin-bottom:0pt">report only single queues. (</span><span style="background:transparent;margin-top:0pt;margin-bottom:0pt">i.e</span><span style="background:transparent;margin-top:0pt;margin-bottom:0pt">, it looks to me like it uses some default queue 0 </span></p><p style="color:rgb(14,16,26);background:transparent;margin-top:0pt;margin-bottom:0pt"><span style="background:transparent;margin-top:0pt;margin-bottom:0pt">or something and skips the rest 15 (in my case --rxq=16). (It could IAVF do that or ICEN report that). I'm not sure.</span></p><p style="color:rgb(14,16,26);background:transparent;margin-top:0pt;margin-bottom:0pt"></p><p style="color:rgb(14,16,26);background:transparent;margin-top:0pt;margin-bottom:0pt"><span style="background:transparent;margin-top:0pt;margin-bottom:0pt">
For example, the counter I'm referring to test-pmd Rx-pps counter.</span></p><p style="color:rgb(14,16,26);background:transparent;margin-top:0pt;margin-bottom:0pt"><span style="background:transparent;margin-top:0pt;margin-bottom:0pt">
Rx-pps: 4158531 Rx-bps: 2129167832

</span></p><p style="color:rgb(14,16,26);background:transparent;margin-top:0pt;margin-bottom:0pt"></p><p style="color:rgb(14,16,26);background:transparent;margin-top:0pt;margin-bottom:0pt"><span style="background:transparent;margin-top:0pt;margin-bottom:0pt">I'm also observing PMD Failing fetch stats error msg.

</span></p><p style="color:rgb(14,16,26);background:transparent;margin-top:0pt;margin-bottom:0pt"><span style="background:transparent;margin-top:0pt;margin-bottom:0pt">iavf_query_stats(): fail to execute command OP_GET_STATS</span></p><p style="color:rgb(14,16,26);background:transparent;margin-top:0pt;margin-bottom:0pt"><span style="background:transparent;margin-top:0pt;margin-bottom:0pt">iavf_dev_stats_get(): Get statistics failed</span></p><p style="color:rgb(14,16,26);background:transparent;margin-top:0pt;margin-bottom:0pt"></p><p style="color:rgb(14,16,26);background:transparent;margin-top:0pt;margin-bottom:0pt"><span style="background:transparent;margin-top:0pt;margin-bottom:0pt">
My Question.

</span></p><p style="color:rgb(14,16,26);background:transparent;margin-top:0pt;margin-bottom:0pt"><span style="background:transparent;margin-top:0pt;margin-bottom:0pt">If I have two instances of </span></p><p style="color:rgb(14,16,26);background:transparent;margin-top:0pt;margin-bottom:0pt"><span style="background:transparent;margin-top:0pt;margin-bottom:0pt">test-</span><span style="background:transparent;margin-top:0pt;margin-bottom:0pt">pmd</span><span style="background:transparent;margin-top:0pt;margin-bottom:0pt"> --allowed X</span></p><p style="color:rgb(14,16,26);background:transparent;margin-top:0pt;margin-bottom:0pt"><span style="background:transparent;margin-top:0pt;margin-bottom:0pt">test-</span><span style="background:transparent;margin-top:0pt;margin-bottom:0pt">pmd</span><span style="background:transparent;margin-top:0pt;margin-bottom:0pt"> --allowed Y </span></p><p style="color:rgb(14,16,26);background:transparent;margin-top:0pt;margin-bottom:0pt"><span style="background:transparent;margin-top:0pt;margin-bottom:0pt">Where X is VFs PCI ADDR X and Y  PCI ADDR Y from the</span><strong style="background:transparent;margin-top:0pt;margin-bottom:0pt"><span style="background:transparent;margin-top:0pt;margin-bottom:0pt"> </span></strong><span style="background:transparent;margin-top:0pt;margin-bottom:0pt"> PF?</span></p><p style="color:rgb(14,16,26);background:transparent;margin-top:0pt;margin-bottom:0pt"><span style="background:transparent;margin-top:0pt;margin-bottom:0pt">I expect to see the total stats (pps/bytes, etc.) (combined value for all 16 queues for a port 0 ) </span></p><p style="color:rgb(14,16,26);background:transparent;margin-top:0pt;margin-bottom:0pt"></p><p style="color:rgb(14,16,26);background:transparent;margin-top:0pt;margin-bottom:0pt"><span style="background:transparent;margin-top:0pt;margin-bottom:0pt">RX-PPS and bytes per port on both instances.</span></p><p style="color:rgb(14,16,26);background:transparent;margin-top:0pt;margin-bottom:0pt"><span style="background:transparent;margin-top:0pt;margin-bottom:0pt">Yes/No?</span></p><p style="color:rgb(14,16,26);background:transparent;margin-top:0pt;margin-bottom:0pt"></p><p style="color:rgb(14,16,26);background:transparent;margin-top:0pt;margin-bottom:0pt"><span style="background:transparent;margin-top:0pt;margin-bottom:0pt">
Has anyone had a similar issue in the past?

</span></p><p style="color:rgb(14,16,26);background:transparent;margin-top:0pt;margin-bottom:0pt"></p><p style="color:rgb(14,16,26);background:transparent;margin-top:0pt;margin-bottom:0pt"><span style="background:transparent;margin-top:0pt;margin-bottom:0pt">Thank you,</span></p><p style="color:rgb(14,16,26);background:transparent;margin-top:0pt;margin-bottom:0pt"><span style="background:transparent;margin-top:0pt;margin-bottom:0pt">MB</span></p></pre><pre style="font-size:10.5pt"><font color="#c6c8d1"><span style="font-family:Ayuthaya,monospace"></span></font></pre></div>