Hi Kalle, On Mon, 22 Nov 2021 at 12:01, Kalle Valo <kvalo@xxxxxxxxxxxxxx> wrote: > > Loic Poulain <loic.poulain@xxxxxxxxxx> writes: > > > When system enter suspend, there is no more wireless traffic, and > > if there is no incoming data, most of the AP kick-out the client > > station after few minutes because of inactivity. > > > > The usual way to prevent this is to submit a Null function frame > > periodically as a keep-alive. This is supported by brcm controllers > > and can be configured via the mkeep_alive IOVAR. > > This is with brcmfmac in client mode, right? Right, it's in client mode. > Wouldn't it make more sense to disconnect entirely during suspend? > Nobody is processing the data packets anyway during suspend. Disconnect is performed automatically when wowlan is not enabled, otherwise we may want to wake-up on events (disconnect, 4-way-handshake) or data packets (magic, unicast, etc...). Some devices use suspend aggressively such as Android in which the network link is expected to be maintained. Regards, Loic
