Re: [PATCH bpf-next/net v2 0/7] bpf: Add mptcp_subflow bpf_iter support

On 1/15/25 1:39 AM, Matthieu Baerts wrote:

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Here is a series from Geliang, adding mptcp_subflow bpf_iter support.

We are working on extending MPTCP with BPF, e.g. to control the path manager -- in charge of the creation, deletion, and announcements of subflows (paths) -- and the packet scheduler -- in charge of selecting which available path the next data will be sent to. These extensions need to iterate over the list of subflows attached to an MPTCP connection, and do some specific actions via some new kfunc that will be added later on.

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Changes in v2:

• Patches 1-2: new ones.
• Patch 3: remove two kfunc, more restrictions. (Martin)
• Patch 4: add BUILD_BUG_ON(), more restrictions. (Martin)
• Patch 7: adaptations due to modifications in patches 1-4.
• Link to v1: https://lore.kernel.org/r/20241108-bpf-next-net-mptcp-bpf_iter-subflows-v1-0...

The v2 of this series didn't get any reviews, probably because it has been sent the week before Xmas. Do you prefer if I resend it?

No need to resend. will get to it.