Merge branch 'init-ahmac-and-port-of-mptcp_options_received'

Geliang Tang says:

====================
init ahmac and port of mptcp_options_received

This patchset deals with initializations of mptcp_options_received's two
fields, ahmac and port.
====================

Link: https://lore.kernel.org/r/cover.1603102503.git.geliangtang@gmail.com


Signed-off-by: Jakub Kicinski <kuba@kernel.org>