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Currently we have several protocol constraints on MPTCP options generation (e.g. MPC and MPJ subopt are mutually exclusive) and some additional ones required by our implementation (e.g. almost all ADD_ADDR variant are mutually exclusive with everything else). We can leverage the above to optimize the out option generation: we check DSS/MPC/MPJ presence in a mutually exclusive way, avoiding many unneeded conditionals in the common cases. Additionally extend the existing constraints on ADD_ADDR opt on all subvariants, so that it becomes fully mutually exclusive with the above and we can skip another conditional statement for the common case. This change is also needed by the next patch. Signed-off-by: Paolo Abeni <pabeni@redhat.com> Signed-off-by: Mat Martineau <mathew.j.martineau@linux.intel.com> Signed-off-by: David S. Miller <davem@davemloft.net>
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.