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authorJiri Pirko <jiri@mellanox.com>2019-09-12 11:49:44 +0300
committerDavid S. Miller <davem@davemloft.net>2019-09-13 23:11:14 +0300
commit35c7ff349a2d1df1b59909f67ba4ddcd84ad934e (patch)
tree574260b18587dd65e5563abc016d945602749655
parentc6af0c227a22bb6bb8ff72f043e0fb6d99fd6515 (diff)
downloadlinux-35c7ff349a2d1df1b59909f67ba4ddcd84ad934e.tar.xz
mlx4: Split restart_one into two functions
Split the function restart_one into two functions and separate teardown and buildup. Signed-off-by: Jiri Pirko <jiri@mellanox.com> Signed-off-by: David S. Miller <davem@davemloft.net>
-rw-r--r--drivers/net/ethernet/mellanox/mlx4/catas.c2
-rw-r--r--drivers/net/ethernet/mellanox/mlx4/main.c25
-rw-r--r--drivers/net/ethernet/mellanox/mlx4/mlx4.h3
3 files changed, 23 insertions, 7 deletions
diff --git a/drivers/net/ethernet/mellanox/mlx4/catas.c b/drivers/net/ethernet/mellanox/mlx4/catas.c
index 87e90b5d4d7d..5b11557f1ae4 100644
--- a/drivers/net/ethernet/mellanox/mlx4/catas.c
+++ b/drivers/net/ethernet/mellanox/mlx4/catas.c
@@ -210,7 +210,7 @@ static void mlx4_handle_error_state(struct mlx4_dev_persistent *persist)
mutex_lock(&persist->interface_state_mutex);
if (persist->interface_state & MLX4_INTERFACE_STATE_UP &&
!(persist->interface_state & MLX4_INTERFACE_STATE_DELETION)) {
- err = mlx4_restart_one(persist->pdev, false, NULL);
+ err = mlx4_restart_one(persist->pdev);
mlx4_info(persist->dev, "mlx4_restart_one was ended, ret=%d\n",
err);
}
diff --git a/drivers/net/ethernet/mellanox/mlx4/main.c b/drivers/net/ethernet/mellanox/mlx4/main.c
index 07c204bd3fc4..a39c647c12dc 100644
--- a/drivers/net/ethernet/mellanox/mlx4/main.c
+++ b/drivers/net/ethernet/mellanox/mlx4/main.c
@@ -3931,6 +3931,10 @@ static void mlx4_devlink_param_load_driverinit_values(struct devlink *devlink)
}
}
+static void mlx4_restart_one_down(struct pci_dev *pdev);
+static int mlx4_restart_one_up(struct pci_dev *pdev, bool reload,
+ struct devlink *devlink);
+
static int mlx4_devlink_reload(struct devlink *devlink,
struct netlink_ext_ack *extack)
{
@@ -3941,9 +3945,11 @@ static int mlx4_devlink_reload(struct devlink *devlink,
if (persist->num_vfs)
mlx4_warn(persist->dev, "Reload performed on PF, will cause reset on operating Virtual Functions\n");
- err = mlx4_restart_one(persist->pdev, true, devlink);
+ mlx4_restart_one_down(persist->pdev);
+ err = mlx4_restart_one_up(persist->pdev, true, devlink);
if (err)
- mlx4_err(persist->dev, "mlx4_restart_one failed, ret=%d\n", err);
+ mlx4_err(persist->dev, "mlx4_restart_one_up failed, ret=%d\n",
+ err);
return err;
}
@@ -4163,7 +4169,13 @@ static int restore_current_port_types(struct mlx4_dev *dev,
return err;
}
-int mlx4_restart_one(struct pci_dev *pdev, bool reload, struct devlink *devlink)
+static void mlx4_restart_one_down(struct pci_dev *pdev)
+{
+ mlx4_unload_one(pdev);
+}
+
+static int mlx4_restart_one_up(struct pci_dev *pdev, bool reload,
+ struct devlink *devlink)
{
struct mlx4_dev_persistent *persist = pci_get_drvdata(pdev);
struct mlx4_dev *dev = persist->dev;
@@ -4175,7 +4187,6 @@ int mlx4_restart_one(struct pci_dev *pdev, bool reload, struct devlink *devlink)
total_vfs = dev->persist->num_vfs;
memcpy(nvfs, dev->persist->nvfs, sizeof(dev->persist->nvfs));
- mlx4_unload_one(pdev);
if (reload)
mlx4_devlink_param_load_driverinit_values(devlink);
err = mlx4_load_one(pdev, pci_dev_data, total_vfs, nvfs, priv, 1);
@@ -4194,6 +4205,12 @@ int mlx4_restart_one(struct pci_dev *pdev, bool reload, struct devlink *devlink)
return err;
}
+int mlx4_restart_one(struct pci_dev *pdev)
+{
+ mlx4_restart_one_down(pdev);
+ return mlx4_restart_one_up(pdev, false, NULL);
+}
+
#define MLX_SP(id) { PCI_VDEVICE(MELLANOX, id), MLX4_PCI_DEV_FORCE_SENSE_PORT }
#define MLX_VF(id) { PCI_VDEVICE(MELLANOX, id), MLX4_PCI_DEV_IS_VF }
#define MLX_GN(id) { PCI_VDEVICE(MELLANOX, id), 0 }
diff --git a/drivers/net/ethernet/mellanox/mlx4/mlx4.h b/drivers/net/ethernet/mellanox/mlx4/mlx4.h
index 23f1b5b512c2..527b52e48276 100644
--- a/drivers/net/ethernet/mellanox/mlx4/mlx4.h
+++ b/drivers/net/ethernet/mellanox/mlx4/mlx4.h
@@ -1043,8 +1043,7 @@ int mlx4_catas_init(struct mlx4_dev *dev);
void mlx4_catas_end(struct mlx4_dev *dev);
int mlx4_crdump_init(struct mlx4_dev *dev);
void mlx4_crdump_end(struct mlx4_dev *dev);
-int mlx4_restart_one(struct pci_dev *pdev, bool reload,
- struct devlink *devlink);
+int mlx4_restart_one(struct pci_dev *pdev);
int mlx4_register_device(struct mlx4_dev *dev);
void mlx4_unregister_device(struct mlx4_dev *dev);
void mlx4_dispatch_event(struct mlx4_dev *dev, enum mlx4_dev_event type,