On Fri, 2010-10-29 at 13:35 +0200, ext Johannes Berg wrote: > On Fri, 2010-10-29 at 14:27 +0300, juuso.oikarinen@xxxxxxxxx wrote: > > From: Juuso Oikarinen <juuso.oikarinen@xxxxxxxxx> > > > > The wl1271 has hardware connection monitoring, i.e. the hardware chipset > > internally handles periodic null-funcs and probe-req transmitting in case of > > non-acked periodic null-func or beacon loss. > > I'm wondering why it wants to do probe-req instead of nullfunc? I mean, > we're trying to make mac80211 use nullfunc+ACK instead of probereq > +proberesp ... The wl1271 actually uses null-funcs for the periodic stuff. Only when the null-func fails, or it misses a specific number of consecutive beacons, it will transmit a probe-request to the AP in a final attempt to re-sync before indicating connection loss to the host. The thing with the wl1271 is, that we cannot disable the probe-req. If we don't configure a template for it, it will transmit garbage upon losing connection with the AP. Why it uses a probe-request as the final means to resync, I'm not sure. -Juuso -- 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
