As far as I understand, only CT firmware provides per-packet information about TX rate at the moment. http://www.candelatech.com/ath10k-10.4.php Best regards, Alexis On Mon, Mar 20, 2017 at 11:00 AM, Matteo Grandi <iu5bdp@xxxxxxxxx> wrote: > Hello all, > > I have an issue to collect tx/rx bitrates using ath10k. > I want to collect Tx/RX statistics on a mesh network using > compexWLE900VX Wi-Fi miniPCIe adapters chipset QCA9884 (QCA988X) with > ath10k firmware firmware-5.bin_10.2.4.70.59-2. > > The OS is Ubuntu 14.04 kernel 3.14.48 backports 4.4.2. > > I'm able to build the mesh without any problem and I already have read > that ath10k firmware doesn't provide correct TX/RX information. > Using "iw <iunterface> station dump" I can see the tx bitrate stuck on > 6Mbps and the rx giving unreliable information about MCS, NSS, bitrate > etc. > I tried using iw version 3.4, 3.6 and 4.9. > > I really need to retrieve these info, and I tried also sniffing the > airtraffic with another ath10k interface. According to > https://wireless.wiki.kernel.org/en/users/drivers/ath10k/monitor I > should see the right radiotap headers, since they are not in the > knowing issue list. > But I had the same bad results. > > I tried also using an ath9k wifi card. > Each mesh link is set on 80MHz channel bandwidth, therefore I'm not > able to capture the data traffic with the ath9k that doesn't support > 80MHz. > > I'm able to sniff the traffic and see the radiotap header only using > my laptop with an iwlwifi 11ac card. > > Do you know if there is a way to obtain reliable TX/RX information > from the firmware, or if there is a way to sniff the radiotap header > on an 80MHz channel using an ath9k interface? > > Thank you in advance for any hint! > > My best regards > > Matteo
