__field_prep
__field_prep(SP_CPORT_MASK(val), FE_PSE_PORT_CDM2));
__field_prep(mask, AIROHA_GDM2_IDX));
__field_prep(CHAN_QOS_MODE_MASK(channel), mode));
__field_prep(FP_EGRESS_MTU_MASK(index), len));
__field_prep(DFT_CPORT_MASK(fport), fe_cpu_port));
: __field_prep(mask, val))