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Jason XingandPaolo Abeni
5cb2cb3cb2
Add a new standalone file for the easy future extension to support both active reset and passive reset in the TCP/DCCP/MPTCP protocols. This patch only does the preparations for reset reason mechanism, nothing else changes. The reset reasons are divided into three parts: 1) reuse drop reasons for passive reset in TCP 2) our own independent reasons which aren't relying on other reasons at all 3) reuse MP_TCPRST option for MPTCP The benefits of a standalone reset reason are listed here: 1) it can cover more than one case, such as reset reasons in MPTCP, active reset reasons. 2) people can easily/fastly understand and maintain this mechanism. 3) we get unified format of output with prefix stripped. 4) more new reset reasons are on the way ... I will implement the basic codes of active/passive reset reason in those three protocols, which are not complete for this moment. For passive reset part in TCP, I only introduce the NO_SOCKET common case which could be set as an example. After this series applied, it will have the ability to open a new gate to let other people contribute more reasons into it :) Signed-off-by: Jason Xing <kernelxing@tencent.com> Acked-by: Matthieu Baerts (NGI0) <matttbe@kernel.org> Reviewed-by: Eric Dumazet <edumazet@google.com> Signed-off-by: Paolo Abeni <pabeni@redhat.com>
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 reStructuredText 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.