mptcp: skip to next candidate if subflow has unacked data
In case a subflow path is blocked, MPTCP-level retransmit may not take place anymore because such subflow is likely to have unacked data left in its write queue. Ignore subflows that have experienced loss and test next candidate. Fixes: 3b1d6210 ("mptcp: implement and use MPTCP-level retransmission") Signed-off-by: NFlorian Westphal <fw@strlen.de> Signed-off-by: NMat Martineau <mathew.j.martineau@linux.intel.com> Signed-off-by: NJakub Kicinski <kuba@kernel.org>
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