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

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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 <mohamad@mellanox.com>
Signed-off-by: Saeed Mahameed <saeedm@mellanox.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Mohamad Haj Yahia 2016-09-09 17:35:17 +03:00 committed by David S. Miller
parent 48b4e51fa7
commit d62292e850
1 changed files with 12 additions and 1 deletions
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13
drivers/net/ethernet/mellanox/mlx5/core/pagealloc.c
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@ -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) {