One more thing did u tried putting your sniffing (monitoring) PC close to the iwlwifi based device?
On Fri, Oct 24, 2014 at 2:51 PM, Kamran Nishat <kamran.nis...@gmail.com> wrote: > we saw this but according to some list of iwlwifi driver. AMPDUs are off. > Are u sure, u got BlockAcks from iwlwifi > > On Fri, Oct 24, 2014 at 1:58 PM, Tsaixiong <ivycx1...@gmail.com> wrote: > >> Astrit Zhushi <a.zhushi <at> cs.ucl.ac.uk> writes: >> >> > >> > Hi, >> > I need to capture aggregate MPDUs between an AP and a client (both >> running >> iwlwifi driver). I have a monitoring node running Atheros AR9300 >> (MiniPCIe) >> card with a monitoring interface setup. The problem is that aggregated >> data >> frames (A-MPDUs) being sent from AP to the client are not being captured >> at the >> monitoring node, only control frames (CTS,BlockAck). Of course, if AP >> transmits >> to the monitoring node then aggregates can be captured. >> > >> > My question is that is this a hardware limitation? I suspect that the >> card is >> not passing to the driver aggregated frames that are not destined to >> itself. >> Does this has to do with any state the card has to keep for aggregation? >> Finally, if that is the case can the card be instructed to pass all >> aggregated >> frames without keeping any state? >> > >> > I am looking at the number of frames that are aggregated on a typical >> WLAN. >> While this can be inferred by looking at BlockACKs, seeing actual >> aggregates >> would be helpful as a sanity check. >> > >> > Thanks, >> > >> > Astrit >> > >> > >> > _______________________________________________ >> > ath9k-devel mailing list >> > ath9k-devel <at> lists.ath9k.org >> > https://lists.ath9k.org/mailman/listinfo/ath9k-devel >> > >> >> Dear Astrit >> >> I am confronting with the same problem!Can you give some advice on where I >> can capture the control frame in mac80211?I want to confirm the >> receiver ,transimitter and duration of next data frame. >> >> Thanks in advance. >> Tsaixiong >> >> >> _______________________________________________ >> ath9k-devel mailing list >> ath9k-devel@lists.ath9k.org >> https://lists.ath9k.org/mailman/listinfo/ath9k-devel >> > >
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