D64_XS0_CD_MASK
DMA64TXREGOFFS(di, status0)) & D64_XS0_CD_MASK) ==
D64_XS0_CD_MASK));
D64_XS0_CD_MASK) - di->xmtptrbase) &
D64_XS0_CD_MASK, struct dma64desc));
(active_desc - di->xmtptrbase) & D64_XS0_CD_MASK;