Felix Fietkau <nbd@xxxxxxxx> wrote: > When transmitting to a receiver in dynamic SMPS mode, all transmissions that > use multiple spatial streams need to be sent using CTS-to-self or RTS/CTS to > give the receiver's extra chains some time to wake up. > This fixes the tx rate getting stuck at <= MCS7 for some clients, especially > Intel ones, which make aggressive use of SMPS. > > Cc: stable@xxxxxxxxxxxxxxx > Reported-by: Martin Kennedy <hurricos@xxxxxxxxx> > Signed-off-by: Felix Fietkau <nbd@xxxxxxxx> Patch applied to wireless-drivers.git, thanks. 3b9ea7206d7e ath9k: fix transmitting to stations in dynamic SMPS mode -- https://patchwork.kernel.org/project/linux-wireless/patch/20210214184911.96702-1-nbd@xxxxxxxx/ https://wireless.wiki.kernel.org/en/developers/documentation/submittingpatches
