On Mon, 2017-11-27 at 16:07 +0100, Peter Große wrote: > > I think if the driver has WANT_MONITOR_VIF, then we can pass that > > through and let the driver sort it out. > > > > But if not, we probably just have to reject the configuration? > > With passing through you mean calling bss_info_changed on the driver for the > monitor interface? I meant to pass the &monitor_sdata.vif pointer instead of the real monitor interface that's coming through cfg80211. The former is virtual and has no netdev, but the diver is aware of it. > Are monitor interfaces allowed to exist when WANT_MONITOR_VIF is not set? Yes > I ask, whether I would have to check > sdata->vif.type == NL80211_IFTYPE_MONITOR > _and_ also > ieee80211_hw_check(&local->hw, WANT_MONITOR_VIF) You can check that local->monitor_sdata exists, and use it if yes, and reject if no. johannes
