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sfc: document devlink flash support

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Update the information in sfc's devlink documentation including
 support for firmware update with devlink flash.
Also update the help text for CONFIG_SFC_MTD, as it is no longer
 strictly required for firmware updates.

Signed-off-by: Edward Cree <ecree.xilinx@gmail.com>
Link: https://patch.msgid.link/3476b0ef04a0944f03e0b771ec8ed1a9c70db4dc.1739186253.git.ecree.xilinx@gmail.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
This commit is contained in:
Edward Cree 2025-02-10 11:25:45 +00:00 • committed by Jakub Kicinski
parent 3ed63980ae
commit 5ea73bf3c4
2 changed files with 18 additions and 3 deletions
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16
Documentation/networking/devlink/sfc.rst
View file

@ -5,7 +5,7 @@ sfc devlink support
===================
This document describes the devlink features implemented by the ``sfc``
device driver for the ef100 device.
device driver for the ef10 and ef100 devices.
Info versions
=============
@ -18,6 +18,10 @@ The ``sfc`` driver reports the following versions
* - Name
- Type
- Description
* - ``fw.bundle_id``
- stored
- Version of the firmware "bundle" image that was last used to update
multiple components.
* - ``fw.mgmt.suc``
- running
- For boards where the management function is split between multiple
@ -55,3 +59,13 @@ The ``sfc`` driver reports the following versions
* - ``fw.uefi``
- running
- UEFI driver version (No UNDI support).
Flash Update
============
The ``sfc`` driver implements support for flash update using the
``devlink-flash`` interface. It supports updating the device flash using a
combined flash image ("bundle") that contains multiple components (on ef10,
typically ``fw.mgmt``, ``fw.app``, ``fw.exprom`` and ``fw.uefi``).
The driver does not support any overwrite mask flags.

5
drivers/net/ethernet/sfc/Kconfig
View file

@ -38,8 +38,9 @@ config SFC_MTD
default y
help
This exposes the on-board flash and/or EEPROM as MTD devices
(e.g. /dev/mtd1). This is required to update the firmware or
the boot configuration under Linux.
(e.g. /dev/mtd1). This is required to update the boot
configuration under Linux, or use some older userland tools to
update the firmware.
config SFC_MCDI_MON
bool "Solarflare SFC9100-family hwmon support"
depends on SFC && HWMON && !(SFC=y && HWMON=m)