Re: [PATCH bpf-next v4 5/6] selftests/bpf: add test for XDP metadata support in tun driver

[Stanislav Fomichev]

On 02/27, Marcus Wichelmann wrote:
> Add a selftest that creates a tap device, attaches XDP and TC programs,
> writes a packet with a test payload into the tap device and checks the
> test result. This test ensures that the XDP metadata support in the tun
> driver is enabled and that the metadata size is correctly passed to the
> skb.
> 
> See the previous commit ("selftests/bpf: refactor xdp_context_functional
> test and bpf program") for details about the test design.
> 
> The test runs in its own network namespace using the feature introduced
> with commit c047e0e0e435 ("selftests/bpf: Optionally open a dedicated
> namespace to run test in it"). This provides some extra safety against
> conflicting interface names.
> 
> Signed-off-by: Marcus Wichelmann <marcus.wichelmann@xxxxxxxxxxxxxxxx>

Acked-by: Stanislav Fomichev <sdf@xxxxxxxxxxx>