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Matthieu Baerts says: ==================== mptcp: PM listener events + selftests cleanup Thanks to the patch 6/11, the MPTCP path manager now sends Netlink events when MPTCP listening sockets are created and closed. The reason why it is needed is explained in the linked ticket [1]: MPTCP for Linux, when not using the in-kernel PM, depends on the userspace PM to create extra listening sockets before announcing addresses and ports. Let's call these "PM listeners". With the existing MPTCP netlink events, a userspace PM can create PM listeners at startup time, or in response to an incoming connection. Creating sockets in response to connections is not optimal: ADD_ADDRs can't be sent until the sockets are created and listen()ed, and if all connections are closed then it may not be clear to the userspace PM daemon that PM listener sockets should be cleaned up. Hence this feature request: to add MPTCP netlink events for listening socket close & create, so PM listening sockets can be managed based on application activity. [1] https://github.com/multipath-tcp/mptcp_net-next/issues/313 Selftests for these new Netlink events have been added in patches 9,11/11. The remaining patches introduce different cleanups and small improvements in MPTCP selftests to ease the maintenance and the addition of new tests. ==================== Link: https://lore.kernel.org/r/20221130140637.409926-1-matthieu.baerts@tessares.net Signed-off-by: Jakub Kicinski <kuba@kernel.org> |
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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.