mptcp: always graft subflow socket to parent

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Currently, incoming subflows link to the parent socket,
while outgoing ones link to a per subflow socket. The latter
is not really needed, except at the initial connect() time and
for the first subflow.

Always graft the outgoing subflow to the parent socket and
free the unneeded ones early.

This allows some code cleanup, reduces the amount of memory
used and will simplify the next patch

Reviewed-by: Mat Martineau <mathew.j.martineau@linux.intel.com>
Signed-off-by: Paolo Abeni <pabeni@redhat.com>
Signed-off-by: Jakub Kicinski <kuba@kernel.org>

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Paolo Abeni 2021-01-20 15:39:10 +01:00 • committed by Jakub Kicinski

parent e26ca4b535

commit 866f26f2a9

3 changed files with 14 additions and 26 deletions

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36

net/mptcp/protocol.c

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1

net/mptcp/protocol.h

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3

net/mptcp/subflow.c

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