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Jakub Kicinski says: ==================== nfp: ethtool link settings This series adds support for getting and setting link settings via the (moderately) new ethtool ksettings ops. First patch introduces minimal speed and duplex reporting using the information directly provided in PCI BAR0 memory. Next few changes deal with the need to refresh port state read from the service process and patch 6 finally uses that information to provide link speed and duplex. Patches 7 and 8 add auto negotiation and port type reporting. Remaining changes provide the set support for speed and auto negotiation. An upcoming series will also add port splitting support via devlink. Quite a bit of churn in this series is caused by the fact that currently port speed and split changes will usually require a reboot to take effect. Current service process code is not capable of performing MAC reinitialization after chip has been passing traffic. To make sure user is aware of this limitation we refuse the configuration unless netdev is down, print warning to the logs and if configuration was performed but did take effect we unregister the netdev. Service process has a "reboot needed" sticky bit, so reloading the driver will not bring the netdev back. Note that there is a helper in patch 13 which is marked as __always_inline, because the FIELD_* macros require the parameters to be known at compilation time. I hope that is OK. ==================== Signed-off-by: David S. Miller <davem@davemloft.net> |
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Linux kernel ============ This file was moved to Documentation/admin-guide/README.rst Please notice that there are several guides for kernel developers and users. These guides can be rendered in a number of formats, like HTML and PDF. In order to build the documentation, use ``make htmldocs`` or ``make pdfdocs``. There are various text files in the Documentation/ subdirectory, several of them using the Restructured Text markup notation. See Documentation/00-INDEX for a list of what is contained in each file. 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.