tree a6d6ca875bf06a4d3213108dbaddbcdee5c18f63
parent e59ff2c49ae16e1d179de679aca81405829aee6c
author Jason Wang <jasowang@redhat.com> 1542868591 +0800
committer David S. Miller <davem@davemloft.net> 1543003180 -0800

virtio-net: fail XDP set if guest csum is negotiated

We don't support partial csumed packet since its metadata will be lost
or incorrect during XDP processing. So fail the XDP set if guest_csum
feature is negotiated.

Fixes: f600b6905015 ("virtio_net: Add XDP support")
Reported-by: Jesper Dangaard Brouer <brouer@redhat.com>
Cc: Jesper Dangaard Brouer <brouer@redhat.com>
Cc: Pavel Popa <pashinho1990@gmail.com>
Cc: David Ahern <dsahern@gmail.com>
Signed-off-by: Jason Wang <jasowang@redhat.com>
Signed-off-by: David S. Miller <davem@davemloft.net>