HelenOS sources

ieee80211_report_current_freq  370 uspace/drv/nic/ar9271/hw.c 	ieee80211_report_current_freq(ar9271->ieee80211_dev, freq);
ieee80211_report_current_freq  187 uspace/lib/ieee80211/include/ieee80211.h extern void ieee80211_report_current_freq(ieee80211_dev_t *, uint16_t);
HelenOS homepage, sources at GitHub