Hi There is huge interest both from hardwire and software vendors in using Indoor Navigation at mobile devices. We are interested in making the ChromeOS ecosystem using this feature as well.
I checked how Android implements indoor navigation where it is used for a while. It defines its custom API called Round-trip time [1]. Broadcom chips firmware implements 11MC draft for this. I looked at current Linux tree and do not see any standard API for this feature. iwlwifi/mvm/debugfs-vif.c file mentions "Time of Flight" that seems 11MC related. Though this driver uses debugfs to communicate with the driver. It does not sound like a best way to do it. I would expect a callback in cfg80211 interface. Does anybody work on more conventional API for this 11MC feature? I expect that many wireless chips are going to implement 11MC in the nearest future. Having such clean API from the start will simplify the feature development. [1] https://android.googlesource.com/platform/hardware/libhardware_legacy/+/master/include/hardware_legacy/rtt.h -- To unsubscribe from this list: send the line "unsubscribe linux-wireless" in the body of a message to [email protected] More majordomo info at http://vger.kernel.org/majordomo-info.html
