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a61b19f4a6
netpoll_send_udp can return if send was successful. It will allow client code to be aware of the send status. Possible return values are the result of __netpoll_send_skb (cast to int) and -ENOMEM. This doesn't cover the case when TX was not successful instantaneously and was scheduled for later, __netpoll__send_skb returns success in that case. Signed-off-by: Maksym Kutsevol <max@kutsevol.com> Link: https://patch.msgid.link/20241202-netcons-add-udp-send-fail-statistics-to-netconsole-v5-1-70e82239f922@kutsevol.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 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.