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07a92ab8b4
[ Upstream commit 8425161ac1204d2185e0a10f5ae652bae75d2451 ]
The nfp_net_get_rxfh_key_size() function returns -EOPNOTSUPP when
devices don't support RSS, and callers treat the negative value as a
large positive value since the return type is u32.
Return 0 when devices don't support RSS, aligning with the ethtool
interface .get_rxfh_key_size() that requires returning 0 in such cases.
Fixes: 9ff304bfaf ("nfp: add support for reporting CRC32 hash function")
Signed-off-by: Kohei Enju <enjuk@amazon.com>
Link: https://patch.msgid.link/20250929054230.68120-1-enjuk@amazon.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
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.