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authorMatan Barak <matanb@mellanox.com>2014-02-02 17:06:47 +0200
committerRoland Dreier <roland@purestorage.com>2014-02-13 09:00:18 -0800
commit4196670be786d529ab7f6c18f5077141ce1b787e (patch)
tree3b6f5a807429babfe64e9ef40a139228afa55ab0 /drivers/infiniband/hw
parent38dbfb59d1175ef458d006556061adeaa8751b72 (diff)
IB/mlx4: Don't allocate range of steerable UD QPs for Ethernet-only device
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: c1c98501121e ("IB/mlx4: Add support for steerable IB UD QPs") Signed-off-by: Matan Barak <matanb@mellanox.com> Signed-off-by: Or Gerlitz <ogerlitz@mellanox.com> Signed-off-by: Roland Dreier <roland@purestorage.com>
Diffstat (limited to 'drivers/infiniband/hw')
-rw-r--r--drivers/infiniband/hw/mlx4/main.c7
1 files changed, 6 insertions, 1 deletions
diff --git a/drivers/infiniband/hw/mlx4/main.c b/drivers/infiniband/hw/mlx4/main.c
index c2702f549f1..64ca4087fb5 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,