[PATCH] ltq-deu: Mark lantiq DEU broken

[Hauke Mehrtens]

On 6/27/21 9:38 AM, Martin Blumenstingl wrote:
> Hi Hauke,
> 
> On Sun, Jun 27, 2021 at 12:55 AM Hauke Mehrtens <hauke at hauke-m.de> wrote:
>>
>> When the ltq_deu_vr9 kernel module is loaded, hostapd does not start any
>> more. it fails with thgis error message:
>> daemon.err hostapd: nl80211: kernel reports: key addition failed
>> daemon.err hostapd: Interface initialization failed
>>
>> OpenWrt uses the standard Linux crypto API in the wifi drivers now
>> and this probably makes the system offload more crypto operations to
>> special hardware like the Lantiq DEU. There is probably a bug in the DEU
>> and these operations fail and then hostapd does not start the interface.
>>
>> Just mark the Lantiq DEU as broken for now.
>>
>> Fixes: FS#3901
>> Fixes: 53b6783907f3 ("mac80211: remove patches stripping down crypto support")
>> Signed-off-by: Hauke Mehrtens <hauke at hauke-m.de>
> I am testing wifi with Linux 5.10 only these days where ltq-deu is
> disabled anyways
> so feel free to add my:
> Acked-by: Martin Blumenstingl <martin.blumenstingl at googlemail.com>
> 

Should we also remove the deu from the default images in OpenWrt 21.02?

I would still build it, but not package it in the default images, it 
could be that more operations trigger this problem.

Hauke