net: use flow_indr_dev_setup_offload()
Update existing frontends to use flow_indr_dev_setup_offload(). This new function must be called if ->ndo_setup_tc is unset to deal with tunnel devices. If there is no driver that is subscribed to new tunnel device flow_block bindings, then this function bails out with EOPNOTSUPP. If the driver module is removed, the ->cleanup() callback removes the entries that belong to this tunnel device. This cleanup procedures is triggered when the device unregisters the tunnel device offload handler. Signed-off-by: NPablo Neira Ayuso <pablo@netfilter.org> Signed-off-by: NDavid S. Miller <davem@davemloft.net>
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