IONIC_ADDR_LEN
err = dma_set_mask_and_coherent(dev, DMA_BIT_MASK(IONIC_ADDR_LEN));
#define IONIC_ADDR_MASK (BIT_ULL(IONIC_ADDR_LEN) - 1)
#define IONIC_TXQ_DESC_ADDR_MASK (BIT_ULL(IONIC_ADDR_LEN) - 1)