2013-01-25 10:57:22

by Erwin Van de Velde

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Subject: Unable to set HT40 for ath9k

Dear all,

I have been trying to set up a wireless network (tested both managed
and ad-hoc mode) with HT40 enabled using Atheros chipsets and thus
the ath9k driver. In both cases, iw responded with:
Command failed: Invalid argument (-22)

when e.g. executing the command:
iw dev wlan0 ibss join network 5180 HT40+

Is this not implemented or is this a (known) bug?

Linux OpenWrt 3.3.8
driver: ath9k

Best regards,