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5bc56388c7
This patch adds two new helpers, subflow_use_different_sport and subflow_use_different_dport, to check whether the subflow's source or destination port number is different from the msk's port number. When receiving the MP_JOIN's SYN/SYNACK/ACK, we do these port number checks and print out the different port numbers. And furthermore, when receiving the MP_JOIN's SYN/ACK, we also use a new helper mptcp_pm_sport_in_anno_list to check whether this port number is announced. If it isn't, we need to abort this connection. This patch also populates the local address's port field in local_address. Signed-off-by: Geliang Tang <geliangtang@gmail.com> Signed-off-by: Mat Martineau <mathew.j.martineau@linux.intel.com> Signed-off-by: Jakub Kicinski <kuba@kernel.org>
Linux kernel
============
There are several guides for kernel developers and users. These guides can
be rendered in a number of formats, like HTML and PDF. Please read
Documentation/admin-guide/README.rst first.
In order to build the documentation, use ``make htmldocs`` or
``make pdfdocs``. The formatted documentation can also be read online at:
https://www.kernel.org/doc/html/latest/
There are various text files in the Documentation/ subdirectory,
several of them using the Restructured Text markup notation.
Please read the Documentation/process/changes.rst file, as it contains the
requirements for building and running the kernel, and information about
the problems which may result by upgrading your kernel.