BPF_T_FORMAT
BPF_T_FORMAT(d->bd_tstamp) == BPF_T_MICROTIME)
switch (BPF_T_FORMAT(tstype)) {
if (tstype == BPF_T_NONE || BPF_T_FORMAT(tstype) == BPF_T_MICROTIME) {
((t) == BPF_T_NONE || (BPF_T_FORMAT(t) != BPF_T_NONE && \