<html><head><meta http-equiv="Content-Type" content="text/html charset=us-ascii"></head><body style="word-wrap: break-word; -webkit-nbsp-mode: space; -webkit-line-break: after-white-space;" class=""><br class=""><div><blockquote type="cite" class=""><div class="">On Jun 18, 2018, at 6:08 PM, Eric Dumazet <<a href="mailto:eric.dumazet@gmail.com" class="">eric.dumazet@gmail.com</a>> wrote:</div></blockquote><blockquote type="cite" class=""><br class=""></blockquote><blockquote type="cite" class=""><div class=""><span style="font-family: Helvetica; font-size: 12px; font-style: normal; font-variant-caps: normal; font-weight: normal; letter-spacing: normal; orphans: auto; text-align: start; text-indent: 0px; text-transform: none; white-space: normal; widows: auto; word-spacing: 0px; -webkit-text-stroke-width: 0px; float: none; display: inline !important;" class="">nfq_set_mode(qh, NFQNL_COPY_PACKET, 0xffff)</span><br style="font-family: Helvetica; font-size: 12px; font-style: normal; font-variant-caps: normal; font-weight: normal; letter-spacing: normal; orphans: auto; text-align: start; text-indent: 0px; text-transform: none; white-space: normal; widows: auto; word-spacing: 0px; -webkit-text-stroke-width: 0px;" class=""><br style="font-family: Helvetica; font-size: 12px; font-style: normal; font-variant-caps: normal; font-weight: normal; letter-spacing: normal; orphans: auto; text-align: start; text-indent: 0px; text-transform: none; white-space: normal; widows: auto; word-spacing: 0px; -webkit-text-stroke-width: 0px;" class=""><span style="font-family: Helvetica; font-size: 12px; font-style: normal; font-variant-caps: normal; font-weight: normal; letter-spacing: normal; orphans: auto; text-align: start; text-indent: 0px; text-transform: none; white-space: normal; widows: auto; word-spacing: 0px; -webkit-text-stroke-width: 0px; float: none; display: inline !important;" class="">-></span><br style="font-family: Helvetica; font-size: 12px; font-style: normal; font-variant-caps: normal; font-weight: normal; letter-spacing: normal; orphans: auto; text-align: start; text-indent: 0px; text-transform: none; white-space: normal; widows: auto; word-spacing: 0px; -webkit-text-stroke-width: 0px;" class=""><br style="font-family: Helvetica; font-size: 12px; font-style: normal; font-variant-caps: normal; font-weight: normal; letter-spacing: normal; orphans: auto; text-align: start; text-indent: 0px; text-transform: none; white-space: normal; widows: auto; word-spacing: 0px; -webkit-text-stroke-width: 0px;" class=""><span style="font-family: Helvetica; font-size: 12px; font-style: normal; font-variant-caps: normal; font-weight: normal; letter-spacing: normal; orphans: auto; text-align: start; text-indent: 0px; text-transform: none; white-space: normal; widows: auto; word-spacing: 0px; -webkit-text-stroke-width: 0px; float: none; display: inline !important;" class="">nfq_set_mode(qh, NFQNL_COPY_PACKET, 128); // assuming you want to inspect headers</span><br style="font-family: Helvetica; font-size: 12px; font-style: normal; font-variant-caps: normal; font-weight: normal; letter-spacing: normal; orphans: auto; text-align: start; text-indent: 0px; text-transform: none; white-space: normal; widows: auto; word-spacing: 0px; -webkit-text-stroke-width: 0px;" class=""></div></blockquote></div><div class=""><br class=""></div><div class="">Thanks for that. I see flat RTTs, and a sometimes significant increase in throughputs. Unexpectedly, nfq with GSO throughputs are higher than without nfq at all.</div><div class=""><br class=""></div><div class="">ping mean (min-max) RTTs:</div><br class=""><div class="">APU2, nfq without GSO: 80 us -> 82 us</div><div class="">APU2, nfq with GSO: 85 us -> 83 us</div><div class="">2011 MBP, nfq without GSO: 13 us -> 14 us<br class="">2011 MBP, nfq with GSO: 14 us -> 13 us</div><div class=""><br class=""></div><div class=""><div class="">iperf3 throughputs:</div><div class=""><br class=""></div><div class="">APU2, nfq without GSO: 391 -> 415 Mbps</div><div class="">APU2, nfq with GSO: 3.35 -> 6.07 Gbps [higher than no nfqueue, 5.55 -> 6.07]</div><div class=""><div class="">2011 MBP, nfq without GSO: 1.48 Gbps -> 2.73 Gbps</div><div class="">2011 MBP, nfq with GSO: 38.0 Gbps -> 45.5 Gbps [higher than no nfqueue, 39.2 -> 45.5]</div><div class=""><br class=""></div><div class=""></div></div></div></body></html>