ixgbe_ieee_ets and ixgbe_ieee_pfc are intialized at
the same time. Do a check for both before configuring
IEEE802.1Qaz. Also max_frame was causing a sparse
warning resolved here as well.
Reported-by: NDan Carpenter <dan.carpenter@oracle.com>
Signed-off-by: NJohn Fastabend <john.r.fastabend@intel.com>
Tested-by: NRoss Brattain <ross.b.brattain@intel.com>
Signed-off-by: NJeff Kirsher <jeffrey.t.kirsher@intel.com>