nfp: parse metadata prepend before XDP runs
Calling memcpy to shift metadata out of the way for XDP to run seems like an overkill. The most common metadata contents are 8 bytes containing type and flow hash. Simply parse the metadata before we run XDP. Signed-off-by: NJakub Kicinski <jakub.kicinski@netronome.com> Signed-off-by: NDavid S. Miller <davem@davemloft.net>
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