Is using 802.11s with DFS possible?

Chun-Yeow Yeoh yeohchunyeow at
Thu Jun 29 21:08:51 PDT 2017

On Fri, Jun 30, 2017 at 1:53 AM, Peter Oh <peter.oh at> wrote:
> On 06/28/2017 06:54 PM, Zach Sherin wrote:
>> Hi all,
>> I've been running some experiments in LEDE thanks to your help many
>> months ago, and I want to use DFS frequencies with my mesh network.
>> Does ath10k currently support this or am I up a creek? My tests show
>> that I can use DFS frequencies with AP mode but have always failed
>> when I use them in a mesh, such that the interface won't even start.
>> Any suggestions?
> As far as I know, no DFS channels enabled in mesh mode at this moment.
> To support DFS channels in mesh mode, wpa_supplicant and mac80211 changes
> are required.
Simon and Benjamin have submitted the above patches and some of them
has upstream to mac80211-next.

Perhaps, Simon and Benjamin can comment on this.


>> Thanks for your time,
>> Zach
>> PS: I'm using an Archer C7 v2, latest stable LEDE build with the
>> built-in ath10k firmware. Meshing on channel 36 is fine, but anything
>> that requires DFS fails.
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