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058102a6e9
Monitor the following events and notify the driver when: - A DSA port joins/leaves a LAG. - A LAG, made up of DSA ports, joins/leaves a bridge. - A DSA port in a LAG is enabled/disabled (enabled meaning "distributing" in 802.3ad LACP terms). When a LAG joins a bridge, the DSA subsystem will treat that as each individual port joining the bridge. The driver may look at the port's LAG device pointer to see if it is associated with any LAG, if that is required. This is analogue to how switchdev events are replicated out to all lower devices when reaching e.g. a LAG. Drivers can optionally request that DSA maintain a linear mapping from a LAG ID to the corresponding netdev by setting ds->num_lag_ids to the desired size. In the event that the hardware is not capable of offloading a particular LAG for any reason (the typical case being use of exotic modes like broadcast), DSA will take a hands-off approach, allowing the LAG to be formed as a pure software construct. This is reported back through the extended ACK, but is otherwise transparent to the user. Signed-off-by: Tobias Waldekranz <tobias@waldekranz.com> Reviewed-by: Vladimir Oltean <olteanv@gmail.com> Tested-by: Vladimir Oltean <olteanv@gmail.com> Signed-off-by: Jakub Kicinski <kuba@kernel.org> |
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| README | ||
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.