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Switch id should be the same for each netdevice on a driver. The id must be unique between devices on the same system, but does not need to be unique between devices on different systems. The switch id is used to locate ports on a switch and to know if aggregated ports belong to the same switch. To meet this requirements, use pci_get_dsn as switch id value, as this is unique value for each devices on the same system. Implementing switch id is needed by automatic tools for kubernetes. Set switch id by setting devlink port attribiutes and calling devlink_port_attrs_set while creating pf (for uplink) and vf (for representator) devlink port. To get switch id (in switchdev mode): cat /sys/class/net/$PF0/phys_switch_id Signed-off-by: Michal Swiatkowski <michal.swiatkowski@linux.intel.com> Signed-off-by: Marcin Szycik <marcin.szycik@linux.intel.com> Tested-by: Sandeep Penigalapati <sandeep.penigalapati@intel.com> Signed-off-by: Tony Nguyen <anthony.l.nguyen@intel.com>
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.