net/mlx5: Skip waiting for vf pages in internal error

In case of device in internal error state there is no need to wait for
vf pages since they will be reclaimed manually later in the unload flow.

Signed-off-by: Mohamad Haj Yahia <[email protected]>
Signed-off-by: Saeed Mahameed <[email protected]>
Signed-off-by: David S. Miller <[email protected]>

Author: Mohamad Haj Yahia

drivers/net/ethernet/mellanox/mlx5/core/pagealloc.c

@@ -326,6 +326,7 @@ static int reclaim_pages_cmd(struct mlx5_core_dev *dev,
 {
 	struct fw_page *fwp;
 	struct rb_node *p;
+	u32 func_id;
 	u32 npages;
 	u32 i = 0;
 
@@ -334,12 +335,16 @@ static int reclaim_pages_cmd(struct mlx5_core_dev *dev,
 
 	/* No hard feelings, we want our pages back! */
 	npages = MLX5_GET(manage_pages_in, in, input_num_entries);
+	func_id = MLX5_GET(manage_pages_in, in, function_id);
 
 	p = rb_first(&dev->priv.page_root);
 	while (p && i < npages) {
 		fwp = rb_entry(p, struct fw_page, rb_node);
-		MLX5_SET64(manage_pages_out, out, pas[i], fwp->addr);
 		p = rb_next(p);
+		if (fwp->func_id != func_id)
+			continue;
+
+		MLX5_SET64(manage_pages_out, out, pas[i], fwp->addr);
 		i++;
 	}
 
@@ -540,6 +545,12 @@ int mlx5_wait_for_vf_pages(struct mlx5_core_dev *dev)
 	unsigned long end = jiffies + msecs_to_jiffies(MAX_RECLAIM_VFS_PAGES_TIME_MSECS);
 	int prev_vfs_pages = dev->priv.vfs_pages;
 
+	/* In case of internal error we will free the pages manually later */
+	if (dev->state == MLX5_DEVICE_STATE_INTERNAL_ERROR) {
+		mlx5_core_warn(dev, "Skipping wait for vf pages stage");
+		return 0;
+	}
+
 	mlx5_core_dbg(dev, "Waiting for %d pages from %s\n", prev_vfs_pages,
 		      dev->priv.name);
 	while (dev->priv.vfs_pages) {