Stanislaw Gruszka <sgruszka@xxxxxxxxxx> wrote: > According to documentation IEEE80211_TX_STAT_AMPDU_NO_BACK is suppose > to be used when we do not recive BA (BlockAck). However on rt2x00 we > use it when remote station fail to decode one or more subframes within > AMPDU (some bits are not set in BlockAck bitmap). Setting the flag result > in sent of BAR (BlockAck Request) frame and this might result of abuse > of BA session, since remote station can sent BA with incorrect > sequence numbers after receiving BAR. This problem is visible especially > when connecting two rt2800 devices. > > Previously I observed some performance benefits when using the flag > when connecting with iwlwifi devices. But currently possibly due > to reacent changes in rt2x00 removing the flag has no effect on > those test cases. > > So remove the IEEE80211_TX_STAT_AMPDU_NO_BACK. > > Signed-off-by: Stanislaw Gruszka <sgruszka@xxxxxxxxxx> Patch applied to wireless-drivers-next.git, thanks. 567a9b766b47 rt2x00: do not set IEEE80211_TX_STAT_AMPDU_NO_BACK on tx status -- https://patchwork.kernel.org/patch/11110703/ https://wireless.wiki.kernel.org/en/developers/documentation/submittingpatches
