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Subject: Re: [PATCH] iw: add command to register and capture mgmt frames
From: Johannes Berg <johannes@sipsolutions.net>
To: Igor Mitsyanko <igor.mitsyanko.os@quantenna.com>,
        Sergey Matyukevich <sergey.matyukevich.os@quantenna.com>
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> Maybe we could add an additional nl attribute to 
> NL80211_CMD_REGISTER_FRAME command to allow applications to
> advertise 
> what is their intention, something like
> NL80211_ATTR_MGMT_LISTENER_TYPE. 
> Only allow to register more then one listener if it explicitly
> specifies 
> that it will not try to answer (TYPE_LISTEN_ONLY or smth like that).
> This will preserve behavior for existing userspace.

We could, in theory, but I don't like using this API for monitoring
purposes. We really should just come up with more generic and flexible
ways of doing that, and I think the eBPF thing is pretty good there.

johannes