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linux-stable-mirror/include/linux
Shay DroryandSasha Levin 481a86e5a0 net/mlx5: Fix multiport device check over light SFs
[ Upstream commit 47bf2e8138 ]

Driver is using num_vhca_ports capability to distinguish between
multiport master device and multiport slave device. num_vhca_ports is a
capability the driver sets according to the MAX num_vhca_ports
capability reported by FW. On the other hand, light SFs doesn't set the
above capbility.

This leads to wrong results whenever light SFs is checking whether he is
a multiport master or slave.

Therefore, use the MAX capability to distinguish between master and
slave devices.

Fixes: e71383fb9c ("net/mlx5: Light probe local SFs")
Signed-off-by: Shay Drory <shayd@nvidia.com>
Reviewed-by: Moshe Shemesh <moshe@nvidia.com>
Signed-off-by: Tariq Toukan <tariqt@nvidia.com>
Reviewed-by: Jacob Keller <Jacob.e.keller@intel.com>
Link: https://patch.msgid.link/20260218072904.1764634-2-tariqt@nvidia.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
Signed-off-by: Sasha Levin <sashal@kernel.org>
2026-03-04 07:20:39 -05:00
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