From: Matan Barak <mat...@mellanox.com>
When the device has only Ethernet ports, don't try to allocate range of
steerable
UD QPs since they aren't needed. This fixes an issue where mlx4 VFs tried to
allocate a range of UD steerable QPs, but failed to do so.
Fixes: c1c9850 ('IB/mlx4: Add support for steerable IB UD QPs')
Signed-off-by: Matan Barak <mat...@mellanox.com>
Signed-off-by: Or Gerlitz <ogerl...@mellanox.com>
---
drivers/infiniband/hw/mlx4/main.c | 7 ++++++-
1 files changed, 6 insertions(+), 1 deletions(-)
diff --git a/drivers/infiniband/hw/mlx4/main.c
b/drivers/infiniband/hw/mlx4/main.c
index 5d4088a..d7a0619 100644
--- a/drivers/infiniband/hw/mlx4/main.c
+++ b/drivers/infiniband/hw/mlx4/main.c
@@ -1810,6 +1810,7 @@ static void *mlx4_ib_add(struct mlx4_dev *dev)
int i, j;
int err;
struct mlx4_ib_iboe *iboe;
+ int ib_num_ports = 0;
pr_info_once("%s", mlx4_ib_version);
@@ -1985,10 +1986,14 @@ static void *mlx4_ib_add(struct mlx4_dev *dev)
ibdev->counters[i] = -1;
}
+ mlx4_foreach_port(i, dev, MLX4_PORT_TYPE_IB)
+ ib_num_ports++;
+
spin_lock_init(&ibdev->sm_lock);
mutex_init(&ibdev->cap_mask_mutex);
- if (ibdev->steering_support == MLX4_STEERING_MODE_DEVICE_MANAGED) {
+ if (ibdev->steering_support == MLX4_STEERING_MODE_DEVICE_MANAGED &&
+ ib_num_ports) {
ibdev->steer_qpn_count = MLX4_IB_UC_MAX_NUM_QPS;
err = mlx4_qp_reserve_range(dev, ibdev->steer_qpn_count,
MLX4_IB_UC_STEER_QPN_ALIGN,
--
1.7.1
--
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