Sven Eckelmann <[email protected]> wrote: > The QCA4019 hw1.0 firmware 10.4-3.2.1-00050 and 10.4-3.5.3-00053 (and most > likely all other) seem to ignore the WMI_CHAN_FLAG_DFS flag during the > scan. This results in transmission (probe requests) on channels which are > not "available" for transmissions. > > Since the firmware is closed source and nothing can be done from our side > to fix the problem in it, the driver has to work around this problem. The > WMI_CHAN_FLAG_PASSIVE seems to be interpreted by the firmware to not > scan actively on a channel unless an AP was detected on it. Simple probe > requests will then be transmitted by the STA on the channel. > > ath10k must therefore also use this flag when it queues a radar channel for > scanning. This should reduce the chance of an active scan when the channel > might be "unusable" for transmissions. > > Fixes: e8a50f8ba44b ("ath10k: introduce DFS implementation") > Signed-off-by: Sven Eckelmann <[email protected]> > Signed-off-by: Kalle Valo <[email protected]>
Patch applied to ath-next branch of ath.git, thanks. 3f2591115838 ath10k: prevent active scans on potential unusable channels -- https://patchwork.kernel.org/patch/10545939/ https://wireless.wiki.kernel.org/en/developers/documentation/submittingpatches _______________________________________________ ath10k mailing list [email protected] http://lists.infradead.org/mailman/listinfo/ath10k
