BCM_PAGE_BITS
BCM_PAGE_MASK) >> BCM_PAGE_BITS)
#define TX_PAGE(x) (((x) & ~USABLE_TX_BD_PER_PAGE) >> (BCM_PAGE_BITS - 4))
#define RX_PAGE(x) (((x) & ~USABLE_RX_BD_PER_PAGE) >> (BCM_PAGE_BITS - 4))
#define PG_PAGE(x) (((x) & ~USABLE_PG_BD_PER_PAGE) >> (BCM_PAGE_BITS - 4))