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net/mlx5: E-switch, Fix error handling for enabling roce

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[ Upstream commit 90538d23278a981e344d364e923162fce752afeb ]

The cited commit assumes enabling roce always succeeds. But it is
not true. Add error handling for it.

Fixes: 80f09dfc23 ("net/mlx5: Eswitch, enable RoCE loopback traffic")
Signed-off-by: Chris Mi <cmi@nvidia.com>
Reviewed-by: Roi Dayan <roid@nvidia.com>
Reviewed-by: Maor Gottlieb <maorg@nvidia.com>
Signed-off-by: Mark Bloch <mbloch@nvidia.com>
Reviewed-by: Michal Swiatkowski <michal.swiatkowski@linux.intel.com>
Link: https://patch.msgid.link/20250423083611.324567-6-mbloch@nvidia.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
Signed-off-by: Sasha Levin <sashal@kernel.org>
This commit is contained in:
Chris Mi
2025-04-23 11:36:11 +03:00
committed by Greg Kroah-Hartman
parent bab395c891
commit dd20a33a0d
3 changed files with 11 additions and 7 deletions
Download Patch File Download Diff File Expand all files Collapse all files

5
drivers/net/ethernet/mellanox/mlx5/core/eswitch_offloads.c
View File

@@ -3499,7 +3499,9 @@ int esw_offloads_enable(struct mlx5_eswitch *esw)
int err;
mutex_init(&esw->offloads.termtbl_mutex);
mlx5_rdma_enable_roce(esw->dev);
err = mlx5_rdma_enable_roce(esw->dev);
if (err)
goto err_roce;
err = mlx5_esw_host_number_init(esw);
if (err)
@@ -3560,6 +3562,7 @@ err_vport_metadata:
esw_offloads_metadata_uninit(esw);
err_metadata:
mlx5_rdma_disable_roce(esw->dev);
err_roce:
mutex_destroy(&esw->offloads.termtbl_mutex);
return err;
}

9
drivers/net/ethernet/mellanox/mlx5/core/rdma.c
View File

@@ -140,17 +140,17 @@ void mlx5_rdma_disable_roce(struct mlx5_core_dev *dev)
mlx5_nic_vport_disable_roce(dev);
}
void mlx5_rdma_enable_roce(struct mlx5_core_dev *dev)
int mlx5_rdma_enable_roce(struct mlx5_core_dev *dev)
{
int err;
if (!MLX5_CAP_GEN(dev, roce))
return;
return 0;
err = mlx5_nic_vport_enable_roce(dev);
if (err) {
mlx5_core_err(dev, "Failed to enable RoCE: %d\n", err);
return;
return err;
}
err = mlx5_rdma_add_roce_addr(dev);
@@ -165,10 +165,11 @@ void mlx5_rdma_enable_roce(struct mlx5_core_dev *dev)
goto del_roce_addr;
}
return;
return err;
del_roce_addr:
mlx5_rdma_del_roce_addr(dev);
disable_roce:
mlx5_nic_vport_disable_roce(dev);
return err;
}

4
drivers/net/ethernet/mellanox/mlx5/core/rdma.h
View File

@@ -8,12 +8,12 @@
#ifdef CONFIG_MLX5_ESWITCH
void mlx5_rdma_enable_roce(struct mlx5_core_dev *dev);
int mlx5_rdma_enable_roce(struct mlx5_core_dev *dev);
void mlx5_rdma_disable_roce(struct mlx5_core_dev *dev);
#else /* CONFIG_MLX5_ESWITCH */
static inline void mlx5_rdma_enable_roce(struct mlx5_core_dev *dev) {}
static inline int mlx5_rdma_enable_roce(struct mlx5_core_dev *dev) { return 0; }
static inline void mlx5_rdma_disable_roce(struct mlx5_core_dev *dev) {}
#endif /* CONFIG_MLX5_ESWITCH */