| 1 | initial version |
Presuming you're looking for info on the wlan_radio.phy and wlan_radio.duration fields, packet-ieee80211-radio.c derives these values.
wlan_radio.phy is derived from the 802.11 pseudo-header in dissect_wlan_radio_phdr().wlan_radio.duration is derived in the same function, depending on many factors in the actual frame.