I'm trying to implement AF-XDP support in my driver using the 'igc' code as a reference. I want to add stubs first for e.g. ndo_xsk_wakeup and just see how the code flows etc and build it one at a time, i.e from configuration/setup to slowly enabling the actual data path. The problem is I'm not able to figure out a suitable, quick n easy way to test this. I looked online and this tutorial talks about `xdpsock' in samples/bpf, but I could not find this in my kernel (linux-6.0.9) ? I see the xdp-tutorial, but i'm not sure of how to build and use that either Any pointers or help in this regard would be highly appreciated, thank you so much in advance
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Depends on how your linux distribution is configured i guess.. On a setup, when i ran make M=samples/bpf from my linux source directory i could see xdpsock binary generated and using that was able to get it running on my interface. But this was linux-5.19.8. Not seen in latest kernels starting from 6.0..Not sure why or how to use it now