+ /*
+ * tso mode.
+ * value range:
+ * HNS3_TSO_SW_CAL_PSEUDO_H_CSUM/HNS3_TSO_HW_CAL_PSEUDO_H_CSUM
+ *
+ * - HNS3_TSO_SW_CAL_PSEUDO_H_CSUM
+ * In this mode, because of the hardware constraint, network driver
+ * software need erase the L4 len value of the TCP pseudo header
+ * and recalculate the TCP pseudo header checksum of packets that
+ * need TSO.
+ *
+ * - HNS3_TSO_HW_CAL_PSEUDO_H_CSUM
+ * In this mode, hardware support recalculate the TCP pseudo header
+ * checksum of packets that need TSO, so network driver software
+ * not need to recalculate it.
+ */
+ uint8_t tso_mode;