https://community.nxp.com/t5/i-MX-Processors/i-MX6-network-driver-How-to-configure-NAPI-in-kernel/m-p/1286776#M174979 <P>I am evaluating the ethernet receive data rate performance of the i.MX6QP processor using the SABRESD.</P><P>(I am aware of the limitation described in errata ERR004512 described in this document <A href="https://www.nxp.com/docs/en/errata/IMX6DQCE.pdf" target="_blank">https://www.nxp.com/docs/en/errata/IMX6DQCE.pdf</A>)</P><P>Reading through on-line discussions about the limitations in the performance throws up some pointers to enabling the NAPI (New API) mode in the kernel. I would like to experiment with enabling / disabling this to see the effects.</P><P>However I do not know how to enable the NAPI mode. Can anyone clarify this for me please?</P><P>I am using Yocto to build the linux image. If NAPI can be switched on / off using Yocto can someone please tell me which recipe controls this?</P><P>Note that I have tried configuring the kernel using Yocto bitbake but I was unable to find any switch in that which looked relevant.</P><P>Thank you.</P><P>&nbsp;</P> Thu, 03 Jun 2021 11:15:59 GMT alanmyler 2021-06-03T11:15:59Z https://community.nxp.com/t5/i-MX-Processors/i-MX6-network-driver-How-to-configure-NAPI-in-kernel/m-p/1286776#M174979 <P>I am evaluating the ethernet receive data rate performance of the i.MX6QP processor using the SABRESD.</P><P>(I am aware of the limitation described in errata ERR004512 described in this document <A href="https://www.nxp.com/docs/en/errata/IMX6DQCE.pdf" target="_blank">https://www.nxp.com/docs/en/errata/IMX6DQCE.pdf</A>)</P><P>Reading through on-line discussions about the limitations in the performance throws up some pointers to enabling the NAPI (New API) mode in the kernel. I would like to experiment with enabling / disabling this to see the effects.</P><P>However I do not know how to enable the NAPI mode. Can anyone clarify this for me please?</P><P>I am using Yocto to build the linux image. If NAPI can be switched on / off using Yocto can someone please tell me which recipe controls this?</P><P>Note that I have tried configuring the kernel using Yocto bitbake but I was unable to find any switch in that which looked relevant.</P><P>Thank you.</P><P>&nbsp;</P> Thu, 03 Jun 2021 11:15:59 GMT https://community.nxp.com/t5/i-MX-Processors/i-MX6-network-driver-How-to-configure-NAPI-in-kernel/m-p/1286776#M174979 alanmyler 2021-06-03T11:15:59Z