net: mscc: improve the frame header parsing readability

This cosmetic patch improves the frame header parsing readability by
introducing a new macro to access and mask its fields.

Signed-off-by: Antoine Tenart <antoine.tenart@bootlin.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Antoine Tenart 2019-08-12 16:45:35 +02:00 • committed by David S. Miller
commit d8c964dcca