Ath9k/mac80211 performance regression (missing data, packet drops)
Username: Koen Vandeputte
Origin: https://bugs.openwrt.org/index.php?do=details&task_id=42
Since this commit: 67a7daa9
Commit Msg: “mac80211: update to wireless-testing 2016-06-20”
Used hardware: 3x cns3xxx GW2388 + 4x SR-71-15 (ar9280) on each device
Stuff seen:
-
Packets not even reaching tcpdump anymore
-
Getting STA_INFO from a remote mac using netlink:
- following attributes are not present anymore in the netlink packet:
–> NL80211_STA_INFO_BEACON_SIGNAL_AVG
–> NL80211_STA_INFO_BEACON_LOSS
–> etc.
- Netlink reply packet size
–> Before this commit: ~3kB
–> After this commit: ~1kB
More details will follow .. (debugging at this moment)