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Kernel config for Docker: CONFIG_BRIDGE_VLAN_FILTERING
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Bili Oslavi
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Joined: 12 Mar 2023
Posts: 18

PostPosted: Mon Apr 22, 2024 3:17 am    Post subject: Kernel config for Docker: CONFIG_BRIDGE_VLAN_FILTERING Reply with quote

Trying to emerge app-containers/docker-24.0.5::gentoo
kernel 6.6.21-gentoo
amd64

Error Flag:
* CONFIG_BRIDGE_VLAN_FILTERING: is not set when it should be.

But CONFIG_BRIDGE_VLAN_FILTERING isn't in .config, so it seems to be a
possible misnaming of another config flag. Or maybe just a remnant from an
older kernel config.

Possibly CONFIG_NF_CONNTRACK_BRIDGE or CONFIG_BRIDGE_NF_EBTABLES?
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grknight
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Joined: 20 Feb 2015
Posts: 1896

PostPosted: Mon Apr 22, 2024 3:56 am    Post subject: Reply with quote

Bili Oslavi wrote:
But CONFIG_BRIDGE_VLAN_FILTERING isn't in .config, so it seems to be a
possible misnaming of another config flag. Or maybe just a remnant from an
older kernel config.

No it says what it means. Use menuconfig to search for it as you likely don't have a dependency enabled (such as BRIDGE or VLAN_8021Q).
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Bili Oslavi
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Joined: 12 Mar 2023
Posts: 18

PostPosted: Mon Apr 22, 2024 4:19 am    Post subject: Reply with quote

You're right. The CONFIG_BRIDGE_VLAN_FILTERING only becomes
visible if CONFIG_VLAN_8021Q is enabled first.

I mistakenly thought that all of the flags were in .config and that menuconfig
was just reading the file, but I see now that menuconfig writes options to
the file depending on what higher level item is chosen.
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