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Erni Sri Satya Vennela says: ==================== Support bandwidth clamping in mana using net shapers This patchset introduces hardware-backed bandwidth rate limiting for MANA NICs via the net_shaper_ops interface, enabling efficient and fine-grained traffic shaping directly on the device. Previously, MANA lacked a mechanism for user-configurable bandwidth control. With this addition, users can now configure shaping parameters, allowing better traffic management and performance isolation. The implementation includes the net_shaper_ops callbacks in the MANA driver and supports one shaper per vport. Add shaping support via mana_set_bw_clamp(), allowing the configuration of bandwidth rates in 100 Mbps increments (minimum 100 Mbps). The driver validates input and rejects unsupported values. On failure, it restores the previous configuration which is queried using mana_query_link_cfg() or retains the current state. To prevent potential deadlocks introduced by net_shaper_ops, switch to _locked variants of NAPI APIs when netdevops_lock is held during VF setup and teardown. Also, Add support for ethtool get_link_ksettings to report the maximum link speed supported by the SKU in mbps. These APIs when invoked on hardware that are older or that do not support these APIs, the speed would be reported as UNKNOWN and the net-shaper calls to set speed would fail. ==================== Link: https://patch.msgid.link/1750144656-2021-1-git-send-email-ernis@linux.microsoft.com Signed-off-by: Paolo Abeni <pabeni@redhat.com> |
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| 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.