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Date: Fri, 31 Jul 2020 15:37:31 -0700 (PDT) From: Mat Martineau <mathew.j.martineau@...ux.intel.com> To: Florian Westphal <fw@...len.de> cc: netdev@...r.kernel.org, edumazet@...gle.com, matthieu.baerts@...sares.net, pabeni@...hat.com Subject: Re: [PATCH v2 net-next 2/9] mptcp: token: move retry to caller On Thu, 30 Jul 2020, Florian Westphal wrote: > Once syncookie support is added, no state will be stored anymore when the > syn/ack is generated in syncookie mode. > > When the ACK comes back, the generated key will be taken from the TCP ACK, > the token is re-generated and inserted into the token tree. > > This means we can't retry with a new key when the token is already taken > in the syncookie case. > > Therefore, move the retry logic to the caller to prepare for syncookie > support in mptcp. > > Signed-off-by: Florian Westphal <fw@...len.de> > --- > net/mptcp/subflow.c | 9 ++++++++- > net/mptcp/token.c | 12 ++++-------- > 2 files changed, 12 insertions(+), 9 deletions(-) Reviewed-by: Mat Martineau <mathew.j.martineau@...ux.intel.com> -- Mat Martineau Intel
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