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b79fbd86c8
Add core phylink managed Wake-on-Lan support, which is enabled when the MAC driver fills in the new .mac_wol_set() method that this commit creates. When this feature is disabled, phylink acts as it has in the past, merely passing the ethtool WoL calls to phylib whenever a PHY exists. No other new functionality provided by this commit is enabled. When this feature is enabled, a more inteligent approach is used. Phylink will first pass WoL options to the PHY, read them back, and attempt to set any options that were not set at the PHY at the MAC. Since we have PHY drivers that report they support WoL, and accept WoL configuration even though they aren't wired up to be capable of waking the system, we need a way to differentiate between PHYs that think they support WoL and those which actually do. As PHY drivers do not make use of the driver model's wake-up infrastructure, but could, we use this to determine whether PHY drivers can participate. This gives a path forward where, as MAC drivers are converted to this, it encourages PHY drivers to also be converted. Phylink will also ignore the mac_wol argument to phylink_suspend() as it now knows the WoL state at the MAC. MAC drivers are expected to record/configure the Wake-on-Lan state in their .mac_set_wol() method, and deal appropriately with it in their suspend/resume methods. The driver model provides assistance to set the IRQ wake support which may assist driver authors in achieving the necessary configuration. Signed-off-by: Russell King (Oracle) <rmk+kernel@armlinux.org.uk> Link: https://patch.msgid.link/E1vBrR2-0000000BLzU-1xYL@rmk-PC.armlinux.org.uk Signed-off-by: Jakub Kicinski <kuba@kernel.org> |
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| arch | ||
| block | ||
| certs | ||
| crypto | ||
| Documentation | ||
| drivers | ||
| fs | ||
| include | ||
| init | ||
| io_uring | ||
| ipc | ||
| kernel | ||
| lib | ||
| LICENSES | ||
| mm | ||
| net | ||
| rust | ||
| samples | ||
| scripts | ||
| security | ||
| sound | ||
| tools | ||
| usr | ||
| virt | ||
| .clang-format | ||
| .clippy.toml | ||
| .cocciconfig | ||
| .editorconfig | ||
| .get_maintainer.ignore | ||
| .gitattributes | ||
| .gitignore | ||
| .mailmap | ||
| .pylintrc | ||
| .rustfmt.toml | ||
| COPYING | ||
| CREDITS | ||
| Kbuild | ||
| Kconfig | ||
| MAINTAINERS | ||
| Makefile | ||
| 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 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.