net/mlx5: Consider PCI domain in search for next dev

The PCI BDF is not unique. PCI domain must also be considered when
searching for the next physical device during lag setup. Example below:

mlx5_core 0000:01:00.0: MLX5E: StrdRq(1) RqSz(8) StrdSz(128) RxCqeCmprss(0)
mlx5_core 0000:01:00.1: MLX5E: StrdRq(1) RqSz(8) StrdSz(128) RxCqeCmprss(0)
mlx5_core 0001:01:00.0: MLX5E: StrdRq(1) RqSz(8) StrdSz(128) RxCqeCmprss(0)
mlx5_core 0001:01:00.1: MLX5E: StrdRq(1) RqSz(8) StrdSz(128) RxCqeCmprss(0)

Signed-off-by: Daniel Jurgens <danielj@mellanox.com>
Reviewed-by: Aviv Heller <avivh@mellanox.com>
Signed-off-by: Saeed Mahameed <saeedm@mellanox.com>

diff --git a/drivers/net/ethernet/mellanox/mlx5/core/dev.c b/drivers/net/ethernet/mellanox/mlx5/core/dev.c
index b994b80d5714ad142a3af4711c65d62b7b1d5a6c..ada723bd91b64c60d0acb1469ce4063d105dffd1 100644 (file)
--- a/drivers/net/ethernet/mellanox/mlx5/core/dev.c
+++ b/drivers/net/ethernet/mellanox/mlx5/core/dev.c
@@ -391,16 +391,17 @@ void mlx5_remove_dev_by_protocol(struct mlx5_core_dev *dev, int protocol)
                }
 }
 
-static u16 mlx5_gen_pci_id(struct mlx5_core_dev *dev)
+static u32 mlx5_gen_pci_id(struct mlx5_core_dev *dev)
 {
-       return (u16)((dev->pdev->bus->number << 8) |
+       return (u32)((pci_domain_nr(dev->pdev->bus) << 16) |
+                    (dev->pdev->bus->number << 8) |
                     PCI_SLOT(dev->pdev->devfn));
 }
 
 /* Must be called with intf_mutex held */
 struct mlx5_core_dev *mlx5_get_next_phys_dev(struct mlx5_core_dev *dev)
 {
-       u16 pci_id = mlx5_gen_pci_id(dev);
+       u32 pci_id = mlx5_gen_pci_id(dev);
        struct mlx5_core_dev *res = NULL;
        struct mlx5_core_dev *tmp_dev;
        struct mlx5_priv *priv;