On 6/27/21 9:38 AM, Martin Blumenstingl wrote:
Hi Hauke,

On Sun, Jun 27, 2021 at 12:55 AM Hauke Mehrtens <ha...@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 <ha...@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.blumensti...@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

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