net/mlx4_en: Avoid changing dev->features directly in run-time
commit 925ab1aa upstream. It's forbidden to manually change dev->features in run-time. Currently, this is done in the driver to make sure that GSO_UDP_TUNNEL is advertized only when VXLAN tunnel is set. However, since the stack actually does features intersection with hw_enc_features, we can safely revert to advertizing features early when registering the netdevice. Fixes: f4a1edd5 ('net/mlx4_en: Advertize encapsulation offloads [...]') Signed-off-by: Eugenia Emantayev <eugenia@mellanox.com> Signed-off-by: Or Gerlitz <ogerlitz@mellanox.com> Signed-off-by: David S. Miller <davem@davemloft.net> [ luis: backported to 3.16: adjusted context ] Signed-off-by: Luis Henriques <luis.henriques@canonical.com>
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