diff options
| author | Yishai Hadas <yishaih@mellanox.com> | 2015-01-25 17:59:40 +0300 |
|---|---|---|
| committer | David S. Miller <davem@davemloft.net> | 2015-01-26 01:43:14 +0300 |
| commit | c69453e294c9f16da977b68e658a8028b854c209 (patch) | |
| tree | 31d0d1363f6fdcad81c6de6eec722d657ae486a3 /drivers/net/ethernet/mellanox/mlx4/intf.c | |
| parent | f5aef5aa35063f2b45c3605871cd525d0cb7fb7a (diff) | |
| download | linux-c69453e294c9f16da977b68e658a8028b854c209.tar.xz | |
net/mlx4_core: Manage interface state for Reset flow cases
We need to manage interface state to sync between reset flow and some other
relative cases such as remove_one. This has to be done to prevent certain
races. For example in case software stack is down as a result of unload call,
the remove_one should skip the unload phase.
Implement the remove_one case, handling AER and other cases comes next.
The interface can be up/down, upon remove_one, the state will include an extra
bit indicating that the device is cleaned-up, forcing other tasks to finish
before the final cleanup.
Signed-off-by: Yishai Hadas <yishaih@mellanox.com>
Signed-off-by: Or Gerlitz <ogerlitz@mellanox.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'drivers/net/ethernet/mellanox/mlx4/intf.c')
| -rw-r--r-- | drivers/net/ethernet/mellanox/mlx4/intf.c | 2 |
1 files changed, 2 insertions, 0 deletions
diff --git a/drivers/net/ethernet/mellanox/mlx4/intf.c b/drivers/net/ethernet/mellanox/mlx4/intf.c index 116895ac8b35..fba0b96a6f28 100644 --- a/drivers/net/ethernet/mellanox/mlx4/intf.c +++ b/drivers/net/ethernet/mellanox/mlx4/intf.c @@ -138,6 +138,7 @@ int mlx4_register_device(struct mlx4_dev *dev) mutex_lock(&intf_mutex); + dev->persist->interface_state |= MLX4_INTERFACE_STATE_UP; list_add_tail(&priv->dev_list, &dev_list); list_for_each_entry(intf, &intf_list, list) mlx4_add_device(intf, priv); @@ -162,6 +163,7 @@ void mlx4_unregister_device(struct mlx4_dev *dev) mlx4_remove_device(intf, priv); list_del(&priv->dev_list); + dev->persist->interface_state &= ~MLX4_INTERFACE_STATE_UP; mutex_unlock(&intf_mutex); } |