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6271c8b827
Register each CAN channel of the device as an devlink physical port.
This makes it easier to get device information for a given network
interface (i.e. can2).
Example output:
$ devlink dev
pci/0000:07:00.0
pci/0000:08:00.0
pci/0000:09:00.0
$ devlink port
pci/0000:07:00.0/0: type eth netdev can0 flavour physical port 0 splittable false
pci/0000:07:00.0/1: type eth netdev can1 flavour physical port 1 splittable false
pci/0000:07:00.0/2: type eth netdev can2 flavour physical port 2 splittable false
pci/0000:07:00.0/3: type eth netdev can3 flavour physical port 3 splittable false
pci/0000:08:00.0/0: type eth netdev can4 flavour physical port 0 splittable false
pci/0000:08:00.0/1: type eth netdev can5 flavour physical port 1 splittable false
pci/0000:09:00.0/0: type eth netdev can6 flavour physical port 0 splittable false
pci/0000:09:00.0/1: type eth netdev can7 flavour physical port 1 splittable false
pci/0000:09:00.0/2: type eth netdev can8 flavour physical port 2 splittable false
pci/0000:09:00.0/3: type eth netdev can9 flavour physical port 3 splittable false
$ devlink port show can2
pci/0000:07:00.0/2: type eth netdev can2 flavour physical port 2 splittable false
$ devlink dev info
pci/0000:07:00.0:
driver kvaser_pciefd
versions:
running:
fw 1.3.75
pci/0000:08:00.0:
driver kvaser_pciefd
versions:
running:
fw 2.4.29
pci/0000:09:00.0:
driver kvaser_pciefd
versions:
running:
fw 1.3.72
$ sudo ethtool -i can2
driver: kvaser_pciefd
version: 6.8.0-40-generic
firmware-version: 1.3.75
expansion-rom-version:
bus-info: 0000:07:00.0
supports-statistics: no
supports-test: no
supports-eeprom-access: no
supports-register-dump: no
supports-priv-flags: no
Reviewed-by: Vincent Mailhol <mailhol.vincent@wanadoo.fr>
Signed-off-by: Jimmy Assarsson <extja@kvaser.com>
Link: https://patch.msgid.link/20250725123230.8-10-extja@kvaser.com
Signed-off-by: Marc Kleine-Budde <mkl@pengutronix.de>
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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 reStructuredText 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.