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IB/mlx4: Don't allocate range of steerable UD QPs for Ethernet-only device

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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: c1c9850112 ("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>
This commit is contained in:
Matan Barak 2014-02-02 17:06:47 +02:00 committed by Roland Dreier
parent 38dbfb59d1
commit 4196670be7
1 changed files with 6 additions and 1 deletions
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7
drivers/infiniband/hw/mlx4/main.c
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@ -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,