_tail              59 drivers/net/fjes/fjes_hw.h #define EP_RING_FULL(_head, _tail, _max)				\
_tail              60 drivers/net/fjes/fjes_hw.h 	(0 == EP_RING_INDEX(((_tail) - (_head)), (_max)))
_tail              61 drivers/net/fjes/fjes_hw.h #define EP_RING_EMPTY(_head, _tail, _max) \
_tail              62 drivers/net/fjes/fjes_hw.h 	(1 == EP_RING_INDEX(((_tail) - (_head)), (_max)))