net: ethernet: mtk_eth_soc: enable hardware DSA untagging

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- pass the tag to DSA via metadata dst
- disabled on 7986 for now, since it's not working yet
- disabled if a MAC is enabled that does not use DSA

This improves performance by bypassing the DSA tag driver and avoiding extra
skb data mangling

Signed-off-by: Felix Fietkau <nbd@nbd.name>
Signed-off-by: Jakub Kicinski <kuba@kernel.org>

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Felix Fietkau 2022-11-14 13:42:14 +01:00 • committed by Jakub Kicinski

parent 08666cbb7d

commit 2d7605a729

2 changed files with 67 additions and 7 deletions

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66

drivers/net/ethernet/mediatek/mtk_eth_soc.c

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8

drivers/net/ethernet/mediatek/mtk_eth_soc.h

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