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Commit c01accbf authored by Slawomir Laba's avatar Slawomir Laba Committed by Greg Kroah-Hartman
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i40e: Fix ethtool rx-flow-hash setting for X722



[ Upstream commit 54b5af5a438076082d482cab105b1bd484ab5074 ]

When enabling flow type for RSS hash via ethtool:

ethtool -N $pf rx-flow-hash tcp4|tcp6|udp4|udp6 s|d

the driver would fail to setup this setting on X722
device since it was using the mask on the register
dedicated for X710 devices.

Apply a different mask on the register when setting the
RSS hash for the X722 device.

When displaying the flow types enabled via ethtool:

ethtool -n $pf rx-flow-hash tcp4|tcp6|udp4|udp6

the driver would print wrong values for X722 device.

Fix this issue by testing masks for X722 device in
i40e_get_rss_hash_opts function.

Fixes: eb0dd6e4 ("i40e: Allow RSS Hash set with less than four parameters")
Signed-off-by: default avatarSlawomir Laba <slawomirx.laba@intel.com>
Signed-off-by: default avatarMichal Jaron <michalx.jaron@intel.com>
Signed-off-by: default avatarMateusz Palczewski <mateusz.palczewski@intel.com>
Tested-by: Gurucharan <gurucharanx.g@intel.com> (A Contingent worker at Intel)
Signed-off-by: default avatarJacob Keller <jacob.e.keller@intel.com>
Link: https://lore.kernel.org/r/20221024100526.1874914-1-jacob.e.keller@intel.com


Signed-off-by: default avatarJakub Kicinski <kuba@kernel.org>
Signed-off-by: default avatarSasha Levin <sashal@kernel.org>
parent e63a257e
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