changing channel width

Ben Greear greearb at
Fri May 23 10:22:47 PDT 2014

On 05/23/2014 10:03 AM, Phil Moora wrote:
> Hi all,
> I am trying to change the channel width (20, 40 or 80 MHz) with ath10k
> using iw. I am not able to do so dynamically (while the radio is
> operating in managed or AP mode). In some cases, it is not possible to
> change channel width even when radio is off (ifconfig down). I always
> get "Device busy" error.
> Is it true that with current Ath10k, we have to reset the radio to
> change the channel width? Is there a workaround?
> I am using Compex WLE900N5-18 miniPCIe (hw2) with latest ath10k.

Can you just configure hostapd to use the proper channel width?


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Ben Greear <greearb at>
Candela Technologies Inc

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