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The DSA tagging protocol driver macros are in the public include/net/dsa.h probably because that's also where the DSA_TAG_PROTO_*_VALUE macros are (MODULE_ALIAS_DSA_TAG_DRIVER hinges on those macro definitions). But there is no reason to expose these helpers to <net/dsa.h>. That header is shared between switch drivers (drivers/net/dsa/), tagging protocol drivers (net/dsa/tag_*.c), the DSA core (net/dsa/ sans tag_*.c), and the rest of the world (DSA master drivers, network stack, etc). Too much exposure. On the other hand, net/dsa/dsa_priv.h is included only by the DSA core and by DSA tagging protocol drivers (or IOW, "friend" modules). Also a bit too much exposure - I've contemplated creating a new header which is only included by tagging protocol drivers, but completely separating a new dsa_tag_proto.h from dsa_priv.h is not immediately trivial - for example dsa_slave_to_port() is used both from the fast path and from the control path. So for now, move these definitions to dsa_priv.h which at least hides them from the world. Signed-off-by: Vladimir Oltean <vladimir.oltean@nxp.com> Tested-by: Michael Walle <michael@walle.cc> 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.