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Task
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Resolution: Duplicate
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Major
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None
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None
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None
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rhel-net-core
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ssg_networking
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None
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False
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None
On RHEL9 we see the error:
TCP_FASTOPEN socket option not valid on MPTCP socket level
When speaking with local mptcp developers, our understanding is that we likely lack the following patches in the EL9 kernel.
ca7ae8916043 ("selftests: mptcp: mptfo Initiator/Listener") 🔒 N (1 year, 6 months ago) <Dmytro Shytyi> 4ffb0a02346c ("mptcp: add TCP_FASTOPEN sock option") 🔒 N (1 year, 6 months ago) <Dmytro Shytyi>
36b122baf6a8 ("mptcp: add subflow_v(4,6)_send_synack()") 🔒 N (1 year, 6 months ago) <Dmytro Shytyi>
dfc8d0603033 ("mptcp: implement delayed seq generation for passive fastopen") 🔒 N (1 year, 6 months ago) <Dmytro Shytyi>
1e777f39b4d7 ("mptcp: add MSG_FASTOPEN sendmsg flag support") 🔒 N (1 year, 6 months ago) <Dmytro Shytyi>
d98a82a6afc7 ("mptcp: handle defer connect in mptcp_sendmsg") 🔒 N (1 year, 9 months ago) <Dmytro Shytyi>
Please consider these for future kernels at your earliest convenience.
Thank you
