net: ethernet: mtk_eth_soc: fix tx vlan tag for llc packets

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When sending llc packets with vlan tx offload, the hardware fails to
actually add the tag. Deal with this by fixing it up in software.

Fixes: 656e705243 ("net-next: mediatek: add support for MT7623 ethernet")
Reported-by: Thibaut VARENE <hacks@slashdirt.org>
Signed-off-by: Felix Fietkau <nbd@nbd.name>
Reviewed-by: Simon Horman <horms@kernel.org>
Link: https://patch.msgid.link/20250831182007.51619-1-nbd@nbd.name
Signed-off-by: Jakub Kicinski <kuba@kernel.org>

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Felix Fietkau 2025-08-31 20:20:07 +02:00 • committed by Jakub Kicinski

parent c06ca8ce90

commit d473673711

1 changed files with 9 additions and 1 deletions

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drivers/net/ethernet/mediatek/mtk_eth_soc.c

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