Hi Bob, thank you very much!!
The open source firmware works fine. Thanks, Lukas > -----Ursprüngliche Nachricht----- > Von: Bob Copeland [mailto:[email protected]] > Gesendet: Mittwoch, 03. Juni 2015 13:05 > An: Lukas Göstl; [email protected] > Betreff: Re: Mesh Synchronisation Problem > > On Wed, Jun 03, 2015 at 09:56:14AM +0000, Lukas Göstl via Devel wrote: > > Hi all, > > > > today I enabled the option do print mesh synchronization debug messages > > (CONFIG_MAC80211_MESH_SYNC_DEBUG). > > > > I set up a mesh network with only 2 nodes (usb adapter with ath9k_htc) and > > recognized that the mesh synchronisation seems to fail. > > It says the clockdrift is too large. In the source code the > > TOFFSET_MAXIMUM_ADJUSTMENT is defined as 30000, but my clockdrift is > sometimes around 90000. > > > > Why is my clockdrift so high? Or is it mandatory to synchronize the nodes? > > Which firmware and which actual device are you using? For me, two ath9k_htc > devices maintain sync within 100 us. There was a fix to > the firmware a couple of years ago in this area, so if you're using a very > old firmware you may see this. Latest open source firmware > should be ok. > > Sync only really matters if doing power save, beacon collision avoidance, or > MCCA, so for now, it probably won't affect the network in > any observable way. > > -- > Bob Copeland %% http://bobcopeland.com/ _______________________________________________ Devel mailing list [email protected] http://lists.open80211s.org/cgi-bin/mailman/listinfo/devel
