Loic Poulain <loic.poulain@xxxxxxxxxx> wrote: > When entering suspend as a client station with wowlan enabled, > the Wi-Fi link is supposed to be maintained. In that state, no > more data is generated from client side, and the link stays idle > as long the station is suspended and as long the AP as no data to > transmit. > > However, most of the APs kick-off such 'inactive' stations after > few minutes, causing unexpected disconnect (reconnect, etc...). > > The usual way to prevent this is to submit a Null function frame > periodically as a keep-alive. This is something that can be host > /software generated (e.g. wpa_supplicant), but that needs to be > offloaded to the Wi-Fi controller in case of suspended host. > > This change enables firmware generated keep-alive frames when > entering wowlan suspend, using the 'mkeep_alive' IOVAR. > > Signed-off-by: Loic Poulain <loic.poulain@xxxxxxxxxx> Patch applied to wireless-drivers-next.git, thanks. 7a6cfe28ae3e brcmfmac: Configure keep-alive packet on suspend -- https://patchwork.kernel.org/project/linux-wireless/patch/1637596046-21651-1-git-send-email-loic.poulain@xxxxxxxxxx/ https://wireless.wiki.kernel.org/en/developers/documentation/submittingpatches
