mptcp: relax check on MPC passive fallback

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[ Upstream commit c0f5aec28e ]

While testing the blamed commit below, I was able to miss (!)
packetdrill failures in the fastopen test-cases.

On passive fastopen the child socket is created by incoming TCP MPC syn,
allow for both MPC_SYN and MPC_ACK header.

Fixes: 724b00c129 ("mptcp: refine opt_mp_capable determination")
Reviewed-by: Matthieu Baerts <matttbe@kernel.org>
Signed-off-by: Paolo Abeni <pabeni@redhat.com>
Reviewed-by: Eric Dumazet <edumazet@google.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Signed-off-by: Sasha Levin <sashal@kernel.org>

...

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Paolo Abeni 2024-01-16 18:18:47 +01:00 • committed by Greg Kroah-Hartman

parent 7924ade13a

commit 77c63a08cd

1 changed files with 2 additions and 1 deletions

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net/mptcp/subflow.c

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