SHORT_SLOT_TIME
#define SHORT_PIFS (SIFS + SHORT_SLOT_TIME)
#define SHORT_DIFS (SHORT_PIFS + SHORT_SLOT_TIME)
erp.slot_time = bss_conf->use_short_slot ? SHORT_SLOT_TIME : SLOT_TIME;
pmlmeinfo->slotTime = SHORT_SLOT_TIME;
pmlmeinfo->slotTime = SHORT_SLOT_TIME;
pmlmeinfo->slotTime = SHORT_SLOT_TIME;