Change necessary condition check for XSK from ndo functions to
xdp features flags.
Signed-off-by: Marek Majtyka <alardam@gmail.com>
Signed-off-by: Lorenzo Bianconi <lorenzo@kernel.org>
Link: https://lore.kernel.org/r/45a98ec67b4556a6a22dfd85df3eb8276beeeb74.1675245258.git.lorenzo@kernel.orgSigned-off-by: Alexei Starovoitov <ast@kernel.org>