In simpler terms , I want to know if I could run ath10k on DFS channels in countries "outside" of FCC, ETSI and JP regulations? Thanks, Raj Joshi On Tue, Aug 16, 2016 at 10:23 PM, Raj Joshi <rajjoshi at comp.nus.edu.sg> wrote: > Hi, > > I am aware that DFS scan and pattern detection is possible in ath10k > or to be precise it is implemented in the ath kernel module. From the > source code (dfs_pattern_detector.c), I can see that there are > patterns specific to ETSI, FCC and JP regulatory regions. > > I got some conceptual questions regarding the pattern detection and regulations: > > Q.1 For a given country, the wireless-regdb [1] specifies one of these > 3 regions for DFS. For example, "country AE: DFS-FCC" or "country AF: > DFS-ETSI". What does this mean? Does it mean that country AE follows > DFS rules of FCC and that country AF follows those of ETSI? > > Q.2 If the above is the case, then can I run ath10k "correctly" as > well as "legally" in country AE, given that pattern detection is > implemented for FCC? When I say "correctly", I mean that pattern > detection will not have any false negatives. And when I say "legally", > I mean that my ath10k device would comply with the local regulations > of country AE, given that my device is FCC DFS compliant. > > It is little hard to believe that all the world's radar patterns could > be covered by 3 regulatory standards (FCC, ETSI and JP). Also if that > was the case, then ath10k already does a very good job with DFS > channels and the new swanky 802.11ac devices such as [2] are simply > not worth their price! > > I would appreciate if someone can provide a clarification around this. > > Thanks, > Raj > > [1] http://git.kernel.org/cgit/linux/kernel/git/sforshee/wireless-regdb.git/tree/db.txt > [2] https://www.kickstarter.com/projects/portalwifi/portal-turbocharged-wifi/description