IXGBE_MTA
mta_reg = IXGBE_READ_REG(&sc->hw, IXGBE_MTA(vec_reg));
IXGBE_WRITE_REG(&sc->hw, IXGBE_MTA(vec_reg), mta_reg);
IXGBE_WRITE_REG(hw, IXGBE_MTA(i), 0);
IXGBE_WRITE_REG_ARRAY(hw, IXGBE_MTA(0), i,