MVXPE_TX_CMD_L4_CHECKSUM_NOFRAG
t->command |= MVXPE_TX_CMD_L4_CHECKSUM_NOFRAG;
t->command |= MVXPE_TX_CMD_L4_CHECKSUM_NOFRAG;
t->command |= MVXPE_TX_CMD_L4_CHECKSUM_NOFRAG;
t->command |= MVXPE_TX_CMD_L4_CHECKSUM_NOFRAG;