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Re: [PATCH 9/9] mac80211: save transmit power envelope element and power constraint

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On 2021-08-13 18:11, Johannes Berg wrote:
On Fri, 2021-08-13 at 17:16 +0800, Wen Gong wrote:

yes, it should have some flag/logic to check whether it is BIGTK.
If you know it, you can tell me. :)

Uh, actually, we don't have a secure indication of BIGTK getting used
until after the 4-way-HS.

>
Yes, the lower driver also have the max power limit itself. If power
calulated
from the fake beacon is bigger than the max power limit, then it will be
ignored.

Right.

>
The Transmit Power Envelope is not existed in the assoc response, it is
existed
in beacon. So it can not use assoc response.

Right.


Given this discussion, I think we should just leave it as is, and simply not assume that the TPE is protected by beacon protection or such. There are a number of other similar parameters, and doing some real protection
at this level would likely require further spec changes.

Thanks.
I will leave it as is without change for BIGTK.
I will change others patch and send new version.
johannes



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