igb: push data into first igb_tx_buffer sooner to reduce stack usage
Instead of storing most of the data for the TX hot path in the stack until we are ready to write the descriptor we can save ourselves some time and effort by pushing the SKB, tx_flags, gso_size, bytecount, and protocol into the first igb_tx_buffer since that is where we will end up putting it anyway. Signed-off-by: NAlexander Duyck <alexander.h.duyck@intel.com> Tested-by: NAaron Brown <aaron.f.brown@intel.com> Signed-off-by: NJeff Kirsher <jeffrey.t.kirsher@intel.com>
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