Jouni Malinen wrote: > You can send as many nullfunc Data frames as you want and pretty much > whenever you want.. If the AP has information indicating that the STA is > in power save mode, this frame needs to be sent. If the AP doesn't have > such information or the STA does not know what the state is, this frame > can still be sent. I would skip this only if the STA is reasonably > certain the AP does not have it recorded to be in power save mode. > > In addition to power save management, nullfunc frames can be used for > number of other purposes, e.g., to check that the association is valid > and to trigger operations (well, that is related to power save). In any > case, there are no rules (other than normal Data frame rules) that > somehow limit the STA from sending this frame. Thanks for clarifying. This patch is unnecessary then. John, please drop this patch. Sujith -- To unsubscribe from this list: send the line "unsubscribe linux-wireless" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html