Re: [PATCH net v5 0/5] net: stmmac: Fix double VLAN 802.1ad tag handling

[Jakub Kicinski <kuba@kernel.org>]

On Sun, 20 Sep 2026 15:35:11 +0000 Ovidiu Panait wrote:
> Currently, hardware VLAN stripping is broken for 802.1ad tags. vlan_rx_hw()
> hardcodes ETH_P_8021Q when putting the hardware tag into the skb, rather
> than using the actual protocol from the packet. Because of this, packets
> that contain an 802.1ad outer tag are incorrectly passed up the stack as
> having an 802.1Q tag.

Failed to apply patch:
Applying: net: stmmac: Remove VLAN perfect matching dead code
Applying: net: stmmac: Stop toggling the EDVLP bit
Applying: net: stmmac: Rename double VLAN references to svlan
error: sha1 information is lacking or useless (drivers/net/ethernet/stmicro/stmmac/hwif.h).
error: could not build fake ancestor
hint: Use 'git am --show-current-patch=diff' to see the failed patch
hint: When you have resolved this problem, run "git am --continue".
hint: If you prefer to skip this patch, run "git am --skip" instead.
hint: To restore the original branch and stop patching, run "git am --abort".
hint: Disable this message with "git config set advice.mergeConflict false"
Patch failed at 0003 net: stmmac: Rename double VLAN references to svlan
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