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[ Upstream commit 2ee73c54a615b74d2e7ee6f20844fd3ba63fc485 ] Allow tracking of packets sent with send_subcrq direct vs indirect. `ethtool -S <dev>` will now provide a counter of the number of uses of each xmit method. This metric will be useful in performance debugging. Signed-off-by: Nick Child <nnac123@linux.ibm.com> Reviewed-by: Simon Horman <horms@kernel.org> Link: https://patch.msgid.link/20241001163531.1803152-1-nnac123@linux.ibm.com Signed-off-by: Jakub Kicinski <kuba@kernel.org> Stable-dep-of: bdf5d13aa05e ("ibmvnic: Don't reference skb after sending to VIOS") Signed-off-by: Sasha Levin <sashal@kernel.org>
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 Restructured Text 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.