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</o:shapelayout></xml><![endif]--></head><body lang=DE link=blue vlink=purple><div class=WordSection1><p class=MsoNormal><span style='font-family:"Calibri",sans-serif;color:black;mso-fareast-language:EN-US'>Hi,<o:p></o:p></span></p><p class=MsoNormal><span style='font-family:"Calibri",sans-serif;color:black;mso-fareast-language:EN-US'>ok seems the ddp profiles are persistent when unbinding and rebinding the dpdk / linux drivers. However it seems like the ddp profile is not used for rss hashing when i bind the i40e driver and run some test (e.g. PPPoE traffic).<o:p></o:p></span></p><p class=MsoNormal><span style='font-family:"Calibri",sans-serif;color:black;mso-fareast-language:EN-US'>Are there any plans to support ddp profiles for rss hashing when i40e is used without dpdk ?<o:p></o:p></span></p><p class=MsoNormal><span style='font-family:"Calibri",sans-serif;color:black;mso-fareast-language:EN-US'><o:p> </o:p></span></p><p class=MsoNormal><span style='font-family:"Calibri",sans-serif;color:black;mso-fareast-language:EN-US'>Thanks.<o:p></o:p></span></p><p class=MsoNormal><span style='font-family:"Calibri",sans-serif;color:black;mso-fareast-language:EN-US'><o:p> </o:p></span></p><p class=MsoNormal><b><span style='font-size:11.0pt;font-family:"Calibri",sans-serif'>Von:</span></b><span style='font-size:11.0pt;font-family:"Calibri",sans-serif'> Rami Rosen <ramirose@gmail.com> <br><b>Gesendet:</b> Sonntag, 26. August 2018 22:46<br><b>An:</b> Sebastian Foss <sfo@ingenieurbuero-foss.de><br><b>Cc:</b> dts@dpdk.org<br><b>Betreff:</b> Re: [dts] DDP / testpmd setup<o:p></o:p></span></p><p class=MsoNormal><o:p> </o:p></p><div><p class=MsoNormal>Hi, Sebastian,<o:p></o:p></p><div><p class=MsoNormal>Regarding rebinding, there are two types:<o:p></o:p></p></div><div><p class=MsoNormal>One is with <o:p></o:p></p></div><div><p class=MsoNormal>dpdk-devbind -b i40e pci_id_of_port<o:p></o:p></p></div><div><p class=MsoNormal>And the second is the ribust one:<o:p></o:p></p></div><div><p class=MsoNormal>rmmod i40e and then modprobe i40e. I am not sure as to which of the two you aim when talking about rebinding.<o:p></o:p></p></div><div><p class=MsoNormal>I would suggest to start with the first option. It triggers calling the probe() callback of I40E, and not the full longer and heavier way with I40E module_exit() and module_init() callbacks<o:p></o:p></p></div><div><p class=MsoNormal><o:p> </o:p></p></div><div><p class=MsoNormal>Regarding userspace app for achieving it: you can follow the dpdk testpmd code, but<o:p></o:p></p></div><div><p class=MsoNormal>this can take quite a time and effort.<o:p></o:p></p></div><div><p class=MsoNormal><o:p> </o:p></p></div><div><p class=MsoNormal>Regards,<o:p></o:p></p></div><div><p class=MsoNormal>Rami Rosen<o:p></o:p></p></div><div><p class=MsoNormal> <o:p></o:p></p></div></div><p class=MsoNormal><o:p> </o:p></p><div><div><p class=MsoNormal>בתאריך יום א׳, 26 באוג׳ 2018, 22:57, מאת Sebastian Foss <<a href="mailto:sfo@ingenieurbuero-foss.de">sfo@ingenieurbuero-foss.de</a>>:<o:p></o:p></p></div><blockquote style='border:none;border-left:solid #CCCCCC 1.0pt;padding:0cm 0cm 0cm 6.0pt;margin-left:4.8pt;margin-right:0cm'><div><div><p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto'><span style='font-family:"Calibri",sans-serif;color:black'>Hi Rami,</span><o:p></o:p></p><p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto'><span style='font-family:"Calibri",sans-serif;color:black'>I found the switch for testpmd to use a cmd line script instead of using interactive mode. Still need to see if loading a ddp persists on the card when rebinding the i40e driver instead of vfio / uio.</span><o:p></o:p></p><p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto'><span style='font-family:"Calibri",sans-serif;color:black'>The kernel i40e driver also seems to have the functions to use AdminQ to load DDPs onto the card – however im not sure how to do it from userland.</span><o:p></o:p></p><p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto'><span style='font-family:"Calibri",sans-serif;color:black'> </span><o:p></o:p></p><p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto'><span style='font-family:"Calibri",sans-serif;color:black'> </span><o:p></o:p></p><p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto'><b><span style='font-size:11.0pt;font-family:"Calibri",sans-serif'>Von:</span></b><span style='font-size:11.0pt;font-family:"Calibri",sans-serif'> Rami Rosen <<a href="mailto:ramirose@gmail.com" target="_blank">ramirose@gmail.com</a>> <br><b>Gesendet:</b> Sonntag, 26. August 2018 20:59<br><b>An:</b> <a href="mailto:sfo@ingenieurbuero-foss.de" target="_blank">sfo@ingenieurbuero-foss.de</a><br><b>Betreff:</b> Re: [dts] DDP / testpmd setup</span><o:p></o:p></p><p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto'> <o:p></o:p></p><div><div><p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto'>Hi Sebastian,<o:p></o:p></p></div><div><p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto'>I don't know of such a way, unfortunately. Also you cannot automate testpmd<o:p></o:p></p></div><div><p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto'>as it is to load the profile automatically without going interactive mode.<o:p></o:p></p></div><div><p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto'> <o:p></o:p></p></div><div><p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto'>Regards,<o:p></o:p></p></div><div><p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto'>Rami Rosen<o:p></o:p></p></div><div><p class=MsoNormal style='mso-margin-top-alt:auto;margin-bottom:12.0pt'><a href="http://ramirose.wix.com/ramirosen" target="_blank">http://ramirose.wix.com/ramirosen</a><o:p></o:p></p></div><div><p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto'> <o:p></o:p></p></div><div><p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto'> <o:p></o:p></p></div><div><p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto'> <o:p></o:p></p></div></div><p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto'> <o:p></o:p></p><div><div><p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto'>On Sun, Aug 26, 2018 at 3:18 PM Sebastian Foss <<a href="mailto:sfo@ingenieurbuero-foss.de" target="_blank">sfo@ingenieurbuero-foss.de</a>> wrote:<o:p></o:p></p></div><blockquote style='border:none;border-left:solid #CCCCCC 1.0pt;padding:0cm 0cm 0cm 6.0pt;margin-left:4.8pt;margin-top:5.0pt;margin-right:0cm;margin-bottom:5.0pt'><div><div><p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto'>Hi,<o:p></o:p></p><p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto'>we are using testpmd to store ddp profiles in an Intel X710DA2 NIC. Is there a way to have those profiles stored in the NIC permanently – or what would be the best solution to have those profiles loaded automatically at boot and use a regular kernel driver afterwards ? From what i understand so far to use the DPDK functions to load a DDP Profile the UIO or VFIO drivers have to be used.<o:p></o:p></p><p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto'> <o:p></o:p></p><p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto'>Thank you!<o:p></o:p></p><p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto'> <o:p></o:p></p><p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto'><span style='color:black'>Mit freundlichen Grüßen / Best Regards</span><o:p></o:p></p><p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto'><span style='color:black'>Sebastian Foss, Electrical Engineering (B. Eng.)</span><o:p></o:p></p><p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto'><span style='color:black'>Hardware & Software Development</span><o:p></o:p></p><p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto'><span style='color:black'>Geschäftsführer / CEO</span><o:p></o:p></p><p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto'><span style='color:black'>SF Engineering UG & Co. KG</span><o:p></o:p></p><p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto'><span style='color:black'> </span><o:p></o:p></p><p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto'> <o:p></o:p></p></div></div></blockquote></div><p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto'><br clear=all><br>-- <o:p></o:p></p><div><div><p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto'>regards,<o:p></o:p></p><div><p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto'>Rami Rosen<o:p></o:p></p></div></div></div></div></div></blockquote></div></div></body></html>