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path: root/drivers/net/ethernet/mellanox/mlx5/core/dev.c
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Diffstat (limited to 'drivers/net/ethernet/mellanox/mlx5/core/dev.c')
-rw-r--r--drivers/net/ethernet/mellanox/mlx5/core/dev.c14
1 files changed, 13 insertions, 1 deletions
diff --git a/drivers/net/ethernet/mellanox/mlx5/core/dev.c b/drivers/net/ethernet/mellanox/mlx5/core/dev.c
index e8093c4e09d4..a8b84d53dfb0 100644
--- a/drivers/net/ethernet/mellanox/mlx5/core/dev.c
+++ b/drivers/net/ethernet/mellanox/mlx5/core/dev.c
@@ -33,6 +33,7 @@
#include <linux/mlx5/driver.h>
#include <linux/mlx5/eswitch.h>
#include <linux/mlx5/mlx5_ifc_vdpa.h>
+#include <linux/mlx5/vport.h>
#include "mlx5_core.h"
/* intf dev list mutex */
@@ -537,6 +538,16 @@ int mlx5_rescan_drivers_locked(struct mlx5_core_dev *dev)
return add_drivers(dev);
}
+static bool mlx5_same_hw_devs(struct mlx5_core_dev *dev, struct mlx5_core_dev *peer_dev)
+{
+ u64 fsystem_guid, psystem_guid;
+
+ fsystem_guid = mlx5_query_nic_system_image_guid(dev);
+ psystem_guid = mlx5_query_nic_system_image_guid(peer_dev);
+
+ return (fsystem_guid && psystem_guid && fsystem_guid == psystem_guid);
+}
+
static u32 mlx5_gen_pci_id(const struct mlx5_core_dev *dev)
{
return (u32)((pci_domain_nr(dev->pdev->bus) << 16) |
@@ -556,7 +567,8 @@ static int next_phys_dev(struct device *dev, const void *data)
if (mdev == curr)
return 0;
- if (mlx5_gen_pci_id(mdev) != mlx5_gen_pci_id(curr))
+ if (!mlx5_same_hw_devs(mdev, (struct mlx5_core_dev *)curr) &&
+ mlx5_gen_pci_id(mdev) != mlx5_gen_pci_id(curr))
return 0;
return 1;