Hi, I _think_ that the only valid timestamp/rssi is is the final frame in an aggregate, not the intermediary frames. Did you correlate your checking with whether it was an aggregate or not, and if it's an aggregate, whether it's first, middle or final?
-adrian On 11 December 2014 at 10:19, Till Wollenberg <till.wollenb...@uni-rostock.de> wrote: > Hi! > > * On 11.12.2014, 17:14 Christophe Prévotaux wrote: >> Sometimes it seems the ath9k series chips (at least some of them ) do not >> report RSSI for some frames, is this a known chip glitch ? > > I don't know if it is a chip glitch, but I can confirm the observation. I > have a > dataset of 2.05 billion frames received with AR9280 cards in monitor mode. I > used ath9k from OpenWRT 12.09 (kernel 3.3.8). > > Out of these frames, about 2% do not carry signal/noise information. Also, for > about 0.4% of all frames a signal level of 0dBm or above is reported, which is > unlikely to be correct. > > Best regards > Till > > -- > Dipl.-Inf. Till Wollenberg > University of Rostock, Faculty of CS and EE > Institute of Computer Science > 18055 Rostock, Germany > Tel.: +49 (0)381 498-7507 > > _______________________________________________ > ath9k-devel mailing list > ath9k-devel@lists.ath9k.org > https://lists.ath9k.org/mailman/listinfo/ath9k-devel _______________________________________________ ath9k-devel mailing list ath9k-devel@lists.ath9k.org https://lists.ath9k.org/mailman/listinfo/ath9k-devel
