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path: root/drivers/infiniband/hw/mlx5/main.c
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Diffstat (limited to 'drivers/infiniband/hw/mlx5/main.c')
-rw-r--r--drivers/infiniband/hw/mlx5/main.c45
1 files changed, 29 insertions, 16 deletions
diff --git a/drivers/infiniband/hw/mlx5/main.c b/drivers/infiniband/hw/mlx5/main.c
index c414f3809e5c..e1b03b6908f0 100644
--- a/drivers/infiniband/hw/mlx5/main.c
+++ b/drivers/infiniband/hw/mlx5/main.c
@@ -1571,6 +1571,32 @@ static void deallocate_uars(struct mlx5_ib_dev *dev,
mlx5_cmd_free_uar(dev->mdev, bfregi->sys_pages[i]);
}
+static int mlx5_ib_enable_lb(struct mlx5_ib_dev *dev)
+{
+ int err = 0;
+
+ mutex_lock(&dev->lb.mutex);
+ dev->lb.user_td++;
+
+ if (dev->lb.user_td == 2)
+ err = mlx5_nic_vport_update_local_lb(dev->mdev, true);
+
+ mutex_unlock(&dev->lb.mutex);
+
+ return err;
+}
+
+static void mlx5_ib_disable_lb(struct mlx5_ib_dev *dev)
+{
+ mutex_lock(&dev->lb.mutex);
+ dev->lb.user_td--;
+
+ if (dev->lb.user_td < 2)
+ mlx5_nic_vport_update_local_lb(dev->mdev, false);
+
+ mutex_unlock(&dev->lb.mutex);
+}
+
static int mlx5_ib_alloc_transport_domain(struct mlx5_ib_dev *dev, u32 *tdn)
{
int err;
@@ -1587,14 +1613,7 @@ static int mlx5_ib_alloc_transport_domain(struct mlx5_ib_dev *dev, u32 *tdn)
!MLX5_CAP_GEN(dev->mdev, disable_local_lb_mc)))
return err;
- mutex_lock(&dev->lb_mutex);
- dev->user_td++;
-
- if (dev->user_td == 2)
- err = mlx5_nic_vport_update_local_lb(dev->mdev, true);
-
- mutex_unlock(&dev->lb_mutex);
- return err;
+ return mlx5_ib_enable_lb(dev);
}
static void mlx5_ib_dealloc_transport_domain(struct mlx5_ib_dev *dev, u32 tdn)
@@ -1609,13 +1628,7 @@ static void mlx5_ib_dealloc_transport_domain(struct mlx5_ib_dev *dev, u32 tdn)
!MLX5_CAP_GEN(dev->mdev, disable_local_lb_mc)))
return;
- mutex_lock(&dev->lb_mutex);
- dev->user_td--;
-
- if (dev->user_td < 2)
- mlx5_nic_vport_update_local_lb(dev->mdev, false);
-
- mutex_unlock(&dev->lb_mutex);
+ mlx5_ib_disable_lb(dev);
}
static struct ib_ucontext *mlx5_ib_alloc_ucontext(struct ib_device *ibdev,
@@ -5880,7 +5893,7 @@ int mlx5_ib_stage_caps_init(struct mlx5_ib_dev *dev)
if ((MLX5_CAP_GEN(dev->mdev, port_type) == MLX5_CAP_PORT_TYPE_ETH) &&
(MLX5_CAP_GEN(dev->mdev, disable_local_lb_uc) ||
MLX5_CAP_GEN(dev->mdev, disable_local_lb_mc)))
- mutex_init(&dev->lb_mutex);
+ mutex_init(&dev->lb.mutex);
return 0;
}