Fri, Apr 27, 2018 at 04:15:46PM CEST, jose.ab...@synopsys.com wrote:
>Hi,
>
>I'm trying to use u32 filter to filter specific fields of packets
>by HW *only* but I'm having a hard time in trying to run tc to
>configure it.
>I implemented a dummy .ndo_setup_tc callback which always returns
>success and I set NETIF_F_HW_TC field in hw_features. Then I run

Did you register a block cb?

>tc, like this:
>
>    # tc filter add dev eth0 u32 skip_sw sample u32 20 ffff at 0
>
>At this stage I'm not really caring about the packet content (the
>"20 ffff at 0"), I just want to see the configuration reaching my
>driver but I'm getting a "RTNETLINK answers: Operation not
>supported" error.
>
>Can you tell me what I'm I doing wrong?
>
>Thanks and Best Regards,
>Jose Miguel Abreu

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