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Subject: Re: mac80211_hwsim (kernel 4.18+): wmediumd + 2.4Ghz
From:   Johannes Berg <johannes@sipsolutions.net>
To:     Ramon Fontes <ramonreisfontes@gmail.com>
Cc:     linux-wireless@vger.kernel.org
Date:   Thu, 29 Aug 2019 19:24:25 +0200
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On Thu, 2019-08-29 at 14:04 -0300, Ramon Fontes wrote:
> Yes, that's what I (we?) expect.
> 
> Yes, wmediumd has some log files, but they don't help me to identify
> the reason of the problem. I also unsuccessfully tried to modified the
> wmediumd code. Both wmediumd and mac80211_hwsim work fine up to kernel
> version 4.17. The problem comes only from kernel 4.18. Since there are
> some wmediumd related-codes in mac80211_hwsim, I was wondering whether
> something wasn't missing in mac80211_hwsim (or even some needed
> changes in wmediumd) that is causing such problem.

Hmm, but are there? There's basically no change in hwsim between 4.17
and 4.18, only a few error path cleanups/fixes and the SUPPORTS_PS
change which also shouldn't matter for this?

> Another weird thing
> is the channel, since the channel is the same as defined in hostapd
> and doesn't match 5Ghz channels.

You mean the DS element? That's just from the frame itself.

johannes