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Florian Westphal
6fc8c827dd
If SYN packet contains MP_CAPABLE option, keep it enabled. Syncokie validation and cookie-based socket creation is changed to instantiate an mptcp request sockets if the ACK contains an MPTCP connection request. Rather than extend both cookie_v4/6_check, add a common helper to create the (mp)tcp request socket. Suggested-by: Paolo Abeni <[email protected]> Signed-off-by: Florian Westphal <[email protected]> Signed-off-by: David S. Miller <[email protected]>