BT
#define IXGBE_BT2KB(BT) ((BT + (8 * 1024 - 1)) / (8 * 1024))
#define IXGBE_B2BT(BT) (BT * 8)
if (flags & BT)
cur_fld->flags |= (gflag & (BI | BT));
cur_fld->flags &= ~BT;
&& !(!(cur_fld->flags & BI) && cur_fld->flags & BT)
return BT;
fldtab[0].flags |= BI | BT;
fldtab[0].flags &= ~(BI|BT);