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authorAviv Heller <avivh@mellanox.com>2016-05-30 18:32:32 +0300
committerLeon Romanovsky <leon@kernel.org>2016-08-18 18:49:58 +0300
commit917b41aab7b3afb2221ac0895f302ee32431fa6e (patch)
treeb419326e0c2b5241138280219745aea91e73c6e1 /drivers/net/ethernet/mellanox/mlx5
parent3bc34f3bcb087764796d9a6eaa476e270114eb8f (diff)
downloadop-kernel-dev-917b41aab7b3afb2221ac0895f302ee32431fa6e.zip
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net/mlx5: Configure IB devices according to LAG state
When mlx5_ib is loaded, we would like each card's IB devices to be added according to its LAG state (one IB device, instead of two, is to be added if LAG is active). Signed-off-by: Aviv Heller <avivh@mellanox.com> Signed-off-by: Saeed Mahameed <saeedm@mellanox.com> Signed-off-by: Leon Romanovsky <leon@kernel.org>
Diffstat (limited to 'drivers/net/ethernet/mellanox/mlx5')
-rw-r--r--drivers/net/ethernet/mellanox/mlx5/core/lag.c17
-rw-r--r--drivers/net/ethernet/mellanox/mlx5/core/main.c3
-rw-r--r--drivers/net/ethernet/mellanox/mlx5/core/mlx5_core.h2
3 files changed, 22 insertions, 0 deletions
diff --git a/drivers/net/ethernet/mellanox/mlx5/core/lag.c b/drivers/net/ethernet/mellanox/mlx5/core/lag.c
index 5fe320c..92c3e0d 100644
--- a/drivers/net/ethernet/mellanox/mlx5/core/lag.c
+++ b/drivers/net/ethernet/mellanox/mlx5/core/lag.c
@@ -583,3 +583,20 @@ unlock:
}
EXPORT_SYMBOL(mlx5_lag_get_roce_netdev);
+bool mlx5_lag_intf_add(struct mlx5_interface *intf, struct mlx5_priv *priv)
+{
+ struct mlx5_core_dev *dev = container_of(priv, struct mlx5_core_dev,
+ priv);
+ struct mlx5_lag *ldev;
+
+ if (intf->protocol != MLX5_INTERFACE_PROTOCOL_IB)
+ return true;
+
+ ldev = mlx5_lag_dev_get(dev);
+ if (!ldev || !mlx5_lag_is_bonded(ldev) || ldev->pf[0].dev == dev)
+ return true;
+
+ /* If bonded, we do not add an IB device for PF1. */
+ return false;
+}
+
diff --git a/drivers/net/ethernet/mellanox/mlx5/core/main.c b/drivers/net/ethernet/mellanox/mlx5/core/main.c
index db7bcfc..28e3ce6 100644
--- a/drivers/net/ethernet/mellanox/mlx5/core/main.c
+++ b/drivers/net/ethernet/mellanox/mlx5/core/main.c
@@ -783,6 +783,9 @@ static void mlx5_add_device(struct mlx5_interface *intf, struct mlx5_priv *priv)
struct mlx5_device_context *dev_ctx;
struct mlx5_core_dev *dev = container_of(priv, struct mlx5_core_dev, priv);
+ if (!mlx5_lag_intf_add(intf, priv))
+ return;
+
dev_ctx = kmalloc(sizeof(*dev_ctx), GFP_KERNEL);
if (!dev_ctx)
return;
diff --git a/drivers/net/ethernet/mellanox/mlx5/core/mlx5_core.h b/drivers/net/ethernet/mellanox/mlx5/core/mlx5_core.h
index 8557435..714b71b 100644
--- a/drivers/net/ethernet/mellanox/mlx5/core/mlx5_core.h
+++ b/drivers/net/ethernet/mellanox/mlx5/core/mlx5_core.h
@@ -105,6 +105,8 @@ void mlx5_lag_remove(struct mlx5_core_dev *dev);
void mlx5_add_dev_by_protocol(struct mlx5_core_dev *dev, int protocol);
void mlx5_remove_dev_by_protocol(struct mlx5_core_dev *dev, int protocol);
+bool mlx5_lag_intf_add(struct mlx5_interface *intf, struct mlx5_priv *priv);
+
void mlx5e_init(void);
void mlx5e_cleanup(void);
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