SHORT_PIFS        124 drivers/net/wireless/ralink/rt2x00/rt2x00.h #define SHORT_DIFS		(SHORT_PIFS + SHORT_SLOT_TIME)
SHORT_PIFS         83 drivers/net/wireless/ralink/rt2x00/rt2x00config.c 	erp.pifs = bss_conf->use_short_slot ? SHORT_PIFS : PIFS;