Re: [PATCH net-next] tcp: socket option to check for MPTCP fallback to TCP

[patchwork-bot+netdevbpf]

Hello:

This patch was applied to netdev/net-next.git (main)
by Jakub Kicinski <kuba@xxxxxxxxxx>:

On Thu, 09 May 2024 20:10:10 +0200 you wrote:
> A way for an application to know if an MPTCP connection fell back to TCP
> is to use getsockopt(MPTCP_INFO) and look for errors. The issue with
> this technique is that the same errors -- EOPNOTSUPP (IPv4) and
> ENOPROTOOPT (IPv6) -- are returned if there was a fallback, *or* if the
> kernel doesn't support this socket option. The userspace then has to
> look at the kernel version to understand what the errors mean.
> 
> [...]

Here is the summary with links:
  - [net-next] tcp: socket option to check for MPTCP fallback to TCP
    https://git.kernel.org/netdev/net-next/c/c084ebd77a00

You are awesome, thank you!
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