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Paolo Abeni says: ==================== mptcp: introduce support for real multipath xmit This series enable MPTCP socket to transmit data on multiple subflows concurrently in a load balancing scenario. First the receive code path is refactored to better deal with out-of-order data (patches 1-7). An RB-tree is introduced to queue MPTCP-level out-of-order data, closely resembling the TCP level OoO handling. When data is sent on multiple subflows, the peer can easily see OoO - "future" data at the MPTCP level, especially if speeds, delay, or jitter are not symmetric. The other major change regards the netlink PM, which is extended to allow creating non backup subflows in patches 9-11. There are a few smaller additions, like the introduction of OoO related mibs, send buffer autotuning and better ack handling. Finally a bunch of new self-tests is introduced. The new feature is tested ensuring that the B/W used by an MPTCP socket using multiple subflows matches the link aggregated B/W - we use low B/W virtual links, to ensure the tests are not CPU bounded. v1 -> v2: - fix 32 bit build breakage - fix a bunch of checkpatch issues ==================== 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.