wcn36xx: Add hardware scan offload support

Kalle Valo kvalo at qca.qualcomm.com
Thu Dec 14 07:29:35 PST 2017


Loic Poulain <loic.poulain at linaro.org> wrote:

> Current hw_scan implementation does not trigger offloaded
> hardware scan and seems to only put the device in a kind of
> listening mode (beacon/probe-response) for software scan.
> Since no probe request are generated by the software, current
> scanning method is similar to a passive scan.
> 
> This patch introduces support for 'true' hardware offloaded scan.
> Hardware scan is configured and started via the start-scan-offload
> firmware message. Once scan has been completed a scan indicator
> message is received from firmware.
> 
> Moreover, this patch includes support for directed probe-request,
> allowing connection with hidden APs. It also fixes scan issues with
> band-steering AP which are not 'visible' with passive scan (due to
> hidden ssid in beacons).
> 
> Let's keep the 'legacy' scanning method in case scan-offload is not
> supported.
> 
> Signed-off-by: Loic Poulain <loic.poulain at linaro.org>
> Signed-off-by: Kalle Valo <kvalo at qca.qualcomm.com>

Patch applied to ath-next branch of ath.git, thanks.

2f3bef4b247e wcn36xx: Add hardware scan offload support

-- 
https://patchwork.kernel.org/patch/10101937/

https://wireless.wiki.kernel.org/en/developers/documentation/submittingpatches




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