#define RDMAC_MODE_MBUF_SBD_CRPT_ENAB 0x00002000
#define RDMAC_MODE_FIFO_SIZE_128 0x00020000
#define RDMAC_MODE_FIFO_LONG_BURST 0x00030000
+#define RDMAC_MODE_MULT_DMA_RD_DIS 0x01000000
#define RDMAC_MODE_IPV4_LSO_EN 0x08000000
#define RDMAC_MODE_IPV6_LSO_EN 0x10000000
#define RDMAC_STATUS 0x00004804