Gal Pressman
a100ff3eef
net/mlx5e: Fix update of hash function/key via ethtool
Modifying TIR hash should change selected fields bitmask in addition to the function and key. Formerly, Only on ethool mlx5e_set_rxfh "ethtoo -X" we would not set this field resulting in zeroing of its value, which means no packet fields are used for RX RSS hash calculation thus causing all traffic to arrive in RQ[0]. On driver load out of the box we don't have this issue, since the TIR hash is fully created from scratch. Tested: ethtool -X ethX hkey <new key> ethtool -X ethX hfunc <new func> ethtool -X ethX equal <new indirection table> All cases are verified with TCP Multi-Stream traffic over IPv4 & IPv6. Fixes: bdfc028de1b3 ("net/mlx5e: Fix ethtool RX hash func configuration change") Signed-off-by: Gal Pressman <galp@mellanox.com> Signed-off-by: Saeed Mahameed <saeedm@mellanox.com>
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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.
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