ixgbe: Add protection from VF invalid target DMA
It is possible for a VF to set an invalid target DMA address in its
Tx/Rx descriptor buffer pointers. The workarounds in this patch
will guard against such an event and issue a VFLR to the VF in response.
The VFLR will shut down the VF until an administrator can take action
to investigate the event and correct the problem.
Signed-off-by: Greg Rose <gregory.v.rose@intel.com>
Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
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