Re: [RFC/RFT v1] net: ethernet: mtk_eth_soc: drop generic vlan rx offload, only use DSA untagging

From: Arınç ÜNAL
Date: Sun Apr 16 2023 - 05:53:37 EST


On 16.04.2023 12:10, Frank Wunderlich wrote:
From: Felix Fietkau <nbd@xxxxxxxx>

Through testing I found out that hardware vlan rx offload support seems to
have some hardware issues. At least when using multiple MACs and when receiving
tagged packets on the secondary MAC, the hardware can sometimes start to emit
wrong tags on the first MAC as well.

In order to avoid such issues, drop the feature configuration and use the
offload feature only for DSA hardware untagging on MT7621/MT7622 devices which
only use one MAC.

MT7621 devices most certainly use both MACs.


Tested-by: Frank Wunderlich <frank-w@xxxxxxxxxxxxxxx>
Signed-off-by: Felix Fietkau <nbd@xxxxxxxx>
Signed-off-by: Frank Wunderlich <frank-w@xxxxxxxxxxxxxxx>
---
used felix Patch as base and ported up to 6.3-rc6 which seems to get lost
and the original bug is not handled again.

it reverts changes from vladimirs patch

1a3245fe0cf8 net: ethernet: mtk_eth_soc: fix DSA TX tag hwaccel for switch port 0

Do I understand correctly that this is considered being reverted because the feature it fixes is being removed?

Arınç