Arend van Spriel <arend@xxxxxxxxxxxx> writes: >>> Does ath driver notify mac80211 about firmware restart, ie. through >>> ieee80211_restart_hw(). >> >> ath10k does use ieee80211_restart_hw(). >> >>> If only user-space could get that info. >> >> Yeah, that would be nice to have for ath10k firmware crash dump >> functionality. And doesn't Android also need something similar? > > Probably. bcmdhd seems to send a "firmware hang" event up to wpa_supp, > which probably ends up in the android wifi framework through the > control interface. Currently, this is a driver private event handled > by wpa_supplicant_lib, but it seems trivial to me to add a nl80211 > event to trigger that. > > I am not sure what infrastructure your "ath10k firmware crash dump" is > going to use. Currently we are planning to just provide a debugfs file to retrieve the latest dump. > I have seen similar thing from Marvell recently [1] which relies on > udev and ethtool to do the work. I guess aligning the solutions is why > this topic is listed for the wireless breakout session at kernel > summit in Chicago. Yeah, we did talk about that a bit in the mailing list few months back. -- Kalle Valo -- 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
