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| author | Aviv Heller <avivh@mellanox.com> | 2016-04-17 16:32:13 (GMT) |
|---|---|---|
| committer | Leon Romanovsky <leon@kernel.org> | 2016-08-18 15:49:56 (GMT) |
| commit | edb31b1686751f605eb02a6dcf5ef29c5d485a8e (patch) | |
| tree | b81e797ee6f8c06b1aff45441ccb99314aef2f4f | |
| parent | db60b80273c5e0e61c2ad59d2903c9988b9d184c (diff) | |
| download | linux-edb31b1686751f605eb02a6dcf5ef29c5d485a8e.tar.xz | |
net/mlx5: LAG and SRIOV cannot be used together
Until support will be added for RoCE LAG SRIOV.
Signed-off-by: Aviv Heller <avivh@mellanox.com>
Signed-off-by: Saeed Mahameed <saeedm@mellanox.com>
Signed-off-by: Leon Romanovsky <leon@kernel.org>
| -rw-r--r-- | drivers/net/ethernet/mellanox/mlx5/core/lag.c | 6 | ||||
| -rw-r--r-- | drivers/net/ethernet/mellanox/mlx5/core/mlx5_core.h | 1 | ||||
| -rw-r--r-- | drivers/net/ethernet/mellanox/mlx5/core/sriov.c | 12 |
3 files changed, 19 insertions, 0 deletions
diff --git a/drivers/net/ethernet/mellanox/mlx5/core/lag.c b/drivers/net/ethernet/mellanox/mlx5/core/lag.c index 9523050..3cb570a 100644 --- a/drivers/net/ethernet/mellanox/mlx5/core/lag.c +++ b/drivers/net/ethernet/mellanox/mlx5/core/lag.c @@ -201,6 +201,12 @@ static void mlx5_do_bond(struct mlx5_lag *ldev) mutex_unlock(&lag_mutex); if (tracker.is_bonded && !mlx5_lag_is_bonded(ldev)) { + if (mlx5_sriov_is_enabled(dev0) || + mlx5_sriov_is_enabled(dev1)) { + mlx5_core_warn(dev0, "LAG is not supported with SRIOV"); + return; + } + for (i = 0; i < MLX5_MAX_PORTS; i++) mlx5_remove_dev_by_protocol(ldev->pf[i].dev, MLX5_INTERFACE_PROTOCOL_IB); diff --git a/drivers/net/ethernet/mellanox/mlx5/core/mlx5_core.h b/drivers/net/ethernet/mellanox/mlx5/core/mlx5_core.h index e716996..8557435 100644 --- a/drivers/net/ethernet/mellanox/mlx5/core/mlx5_core.h +++ b/drivers/net/ethernet/mellanox/mlx5/core/mlx5_core.h @@ -90,6 +90,7 @@ void mlx5_core_event(struct mlx5_core_dev *dev, enum mlx5_dev_event event, void mlx5_enter_error_state(struct mlx5_core_dev *dev); void mlx5_disable_device(struct mlx5_core_dev *dev); int mlx5_core_sriov_configure(struct pci_dev *dev, int num_vfs); +bool mlx5_sriov_is_enabled(struct mlx5_core_dev *dev); int mlx5_core_enable_hca(struct mlx5_core_dev *dev, u16 func_id); int mlx5_core_disable_hca(struct mlx5_core_dev *dev, u16 func_id); int mlx5_wait_for_vf_pages(struct mlx5_core_dev *dev); diff --git a/drivers/net/ethernet/mellanox/mlx5/core/sriov.c b/drivers/net/ethernet/mellanox/mlx5/core/sriov.c index 0680dfb..78e7892 100644 --- a/drivers/net/ethernet/mellanox/mlx5/core/sriov.c +++ b/drivers/net/ethernet/mellanox/mlx5/core/sriov.c @@ -37,6 +37,13 @@ #include "eswitch.h" #endif +bool mlx5_sriov_is_enabled(struct mlx5_core_dev *dev) +{ + struct mlx5_core_sriov *sriov = &dev->priv.sriov; + + return !!sriov->num_vfs; +} + static void enable_vfs(struct mlx5_core_dev *dev, int num_vfs) { struct mlx5_core_sriov *sriov = &dev->priv.sriov; @@ -144,6 +151,11 @@ int mlx5_core_sriov_configure(struct pci_dev *pdev, int num_vfs) if (!mlx5_core_is_pf(dev)) return -EPERM; + if (num_vfs && mlx5_lag_is_active(dev)) { + mlx5_core_warn(dev, "can't turn sriov on while LAG is active"); + return -EINVAL; + } + mlx5_core_cleanup_vfs(dev); if (!num_vfs) { |