net: qed: introduce critical hardware error handler
MCP may signal driver about generic critical failure. Driver has to collect mdump information (get_retain), it pushes that to logs and triggers generic notification on "hardware attention" event. Signed-off-by: NAriel Elior <ariel.elior@marvell.com> Signed-off-by: NMichal Kalderon <michal.kalderon@marvell.com> Signed-off-by: NIgor Russkikh <irusskikh@marvell.com> Signed-off-by: NDavid S. Miller <davem@davemloft.net>
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