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Ido Schimmel says: ==================== Expose port split attributes Danielle says: Currently, user space has no way of knowing if a port can be split and into how many ports. Among other things, this makes it impossible to write generic tests for port split functionality. Therefore, this set exposes two new devlink port attributes to user space: Number of lanes and whether the port can be split or not. Patch set overview: Patches #1-#4 cleanup 'struct devlink_port_attrs' and reduce the number of parameters passed between drivers and devlink via devlink_port_attrs_set() Patch #5 adds devlink port lanes attributes Patches #6-#7 add devlink port splittable attribute Patch #8 exploits the fact that devlink is now aware of port's number of lanes and whether the port can be split or not and moves some checks from drivers to devlink Patch #9 adds a port split test Changes since v2: * Remove some local variables from patch #3 * Reword function description in patch #5 * Fix a bug in patch #8 * Add a test for the splittable attribute in patch #9 Changes since v1: * Rename 'width' attribute to 'lanes' * Add 'splittable' attribute * Move checks from drivers to devlink ==================== Reviewed-by: Jakub Kicinski <kuba@kernel.org> Signed-off-by: David S. Miller <davem@davemloft.net> |
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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.