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authorNoa Osherovich <noaos@mellanox.com>2016-09-12 19:16:23 +0300
committerDoug Ledford <dledford@redhat.com>2016-09-16 14:14:08 -0400
commit7fae6655a0c897875bd34501ec092232b526d3e4 (patch)
treefef1bb265517c0a5297f4d8cd6524ff9734ecc74 /drivers/infiniband
parent69d269d38910e697e461ec5677368f57d2046cbe (diff)
downloadlinux-7fae6655a0c897875bd34501ec092232b526d3e4.tar.bz2
IB/mlx5: Enable MAD_IFC commands for IB ports only
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>
Diffstat (limited to 'drivers/infiniband')
-rw-r--r--drivers/infiniband/hw/mlx5/main.c4
1 files changed, 3 insertions, 1 deletions
diff --git a/drivers/infiniband/hw/mlx5/main.c b/drivers/infiniband/hw/mlx5/main.c
index 8150ea372c53..0480b643fb9c 100644
--- a/drivers/infiniband/hw/mlx5/main.c
+++ b/drivers/infiniband/hw/mlx5/main.c
@@ -288,7 +288,9 @@ __be16 mlx5_get_roce_udp_sport(struct mlx5_ib_dev *dev, u8 port_num,
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 {