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Some parts of the documentation may lead the reader to think that the socket's own frames are always received when CAN_RAW_RECV_OWN_MSGS is enabled, but all frames are subject to filtering. As explained by Marc Kleine-Budde: On TX complete of a CAN frame it's pushed into the RX path of the networking stack, along with the information of the originating socket. Then the CAN frame is delivered into AF_CAN, where it is passed on to all registered receivers depending on filters. One receiver is the sending socket in CAN_RAW. Then in CAN_RAW the it is checked if the sending socket has RECV_OWN_MSGS enabled. Link: https://lore.kernel.org/r/20210420191212.42753-1-erik@flodin.me Signed-off-by: Erik Flodin <erik@flodin.me> Signed-off-by: Marc Kleine-Budde <mkl@pengutronix.de>
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.