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Mat Martineau says: ==================== mptcp: MPTCP support for TCP_FASTOPEN_CONNECT RFC 8684 appendix B describes how to use TCP Fast Open with MPTCP. This series allows TFO use with MPTCP using the TCP_FASTOPEN_CONNECT socket option. The scope here is limited to the initiator of the connection - support for MSG_FASTOPEN and the listener side of the connection will be in a separate series. The preexisting TCP fastopen code does most of the work, so these changes mostly involve plumbing MPTCP through to those TCP functions. Patch 1 changes the MPTCP socket option code to pass the TCP_FASTOPEN_CONNECT option through to the initial unconnected subflow. Patch 2 exports the existing tcp_sendmsg_fastopen() function from tcp.c Patch 3 adds the call to tcp_sendmsg_fastopen() from the MPTCP send function. Patch 4 modifies mptcp_poll() to handle the deferred TFO connection. ==================== Link: https://lore.kernel.org/r/20220926232739.76317-1-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.