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Re: is adm8211 capable of sending arbitrary frames?

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On Tuesday 25 March 2008 08:56:40 Johannes Berg wrote:
> Quick question: it appears that the adm8211 driver pulls out the 802.11
> header and instead inserts a custom TX header that only contains one/two
> addresses (3/4-addr header format).
>
Yep. It is unfortunate.

> This appears to mean that it can send neither QoS frames properly nor
> can actually communicate with an AP other than the one it is associated
> to. The latter isn't much of a problem, but it seems that the driver
> will fall over with QoS AP since it doesn't strip the QoS-data bit from
> the frame control. Or does the hardware do that? In any case, mac80211
> shouldn't be announcing QoS support for this driver, should it?
>
ADM8211A does not support QoS.. ADM8211B might and ADM8211C does for sure, but 
that revision was never sold AFAIK.

At any rate, there is no QoS support for this driver.

-Michael Wu


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