| From | Greg Kroah-Hartman <> | Subject | [PATCH 4.7 127/141] IB/mlx5: Enable MAD_IFC commands for IB ports only | Date | Thu, 6 Oct 2016 10:29:23 +0200 |
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4.7-stable review patch. If anyone has any objections, please let me know.
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From: Noa Osherovich <noaos@mellanox.com>
commit 7fae6655a0c897875bd34501ec092232b526d3e4 upstream.
MAD_IFC command is supported only for physical functions (PF) and when physical port is IB. The proposed fix enforces it.
Fixes: d603c809ef91 ("IB/mlx5: Fix decision on using MAD_IFC") Reported-by: David Chang <dchang@suse.com> Signed-off-by: Noa Osherovich <noaos@mellanox.com> Signed-off-by: Leon Romanovsky <leon@kernel.org> Signed-off-by: Doug Ledford <dledford@redhat.com> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
--- drivers/infiniband/hw/mlx5/main.c | 4 +++- 1 file changed, 3 insertions(+), 1 deletion(-)
--- a/drivers/infiniband/hw/mlx5/main.c +++ b/drivers/infiniband/hw/mlx5/main.c @@ -287,7 +287,9 @@ __be16 mlx5_get_roce_udp_sport(struct ml static int mlx5_use_mad_ifc(struct mlx5_ib_dev *dev) { - return !MLX5_CAP_GEN(dev->mdev, ib_virt); + if (MLX5_CAP_GEN(dev->mdev, port_type) == MLX5_CAP_PORT_TYPE_IB) + return !MLX5_CAP_GEN(dev->mdev, ib_virt); + return 0; } enum {
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