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Subject: Re: xdpsock ... -N -z and AF_XDP XDP_ZEROCOPY not working: RESOLVED!
References: <CAMyc9bVpR9thvVsa-LWNg6BPwkqNcL-W-FuEXdfXgGxCUUn3jA@mail.gmail.com>
From: David Ahern <dsahern@gmail.com>
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Date: Wed, 29 Jan 2020 21:41:57 -0700
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To: Cameron Elliott <cameron@cameronelliott.com>, Xdp <xdp-newbies@vger.kernel.org>, Magnus Karlsson <magnus.karlsson@gmail.com>

On 1/29/20 6:02 PM, Cameron Elliott wrote:
> With this command:
> git clone git://git.kernel.org/pub/scm/linux/kernel/git/bpf/bpf-next.git
> More info: https://git.kernel.org/pub/scm/linux/kernel/git/bpf/bpf-next.git/
> 
> I built the kernel using these directions:
> https://wiki.ubuntu.com/KernelTeam/GitKernelBuild
> 
> And after rebooting and running on the 5.5 bpf-next kernel, -z and
> XDP_ZEROCOPY were working fine!

since this is literally bleeding edge, is there a wiki/doc/other for
kernel versions and supported features? Something similar to what MLX
does for switchdev [1] would be really helpful.

[1] https://github.com/Mellanox/mlxsw/wiki