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Vladimir Oltean says: ==================== Autoload DSA tagging driver when dynamically changing protocol This patch set solves the issue reported by Michael and Heiko here: https://lore.kernel.org/lkml/20221027113248.420216-1-michael@walle.cc/ making full use of Michael's suggestion of having two modaliases: one gets used for loading the tagging protocol when it's the default one reported by the switch driver, the other gets loaded at user's request, by name. # modinfo tag_ocelot filename: /lib/modules/6.1.0-rc4+/kernel/net/dsa/tag_ocelot.ko license: GPL v2 alias: dsa_tag:seville alias: dsa_tag:id-21 alias: dsa_tag:ocelot alias: dsa_tag:id-15 depends: dsa_core intree: Y name: tag_ocelot vermagic: 6.1.0-rc4+ SMP preempt mod_unload modversions aarch64 Tested on NXP LS1028A-RDB with the following device tree addition: &mscc_felix_port4 { dsa-tag-protocol = "ocelot-8021q"; }; &mscc_felix_port5 { dsa-tag-protocol = "ocelot-8021q"; }; CONFIG_NET_DSA and everything that depends on it is built as module. Everything auto-loads, and "cat /sys/class/net/eno2/dsa/tagging" shows "ocelot-8021q". Traffic works as well. Furthermore, "echo ocelot-8021q" into the aforementioned sysfs file now auto-loads the driver for it. ==================== Link: https://lore.kernel.org/r/20221115011847.2843127-1-vladimir.oltean@nxp.com Signed-off-by: Jakub Kicinski <kuba@kernel.org> |
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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.