Re: [dpdk-stable] [PATCH] common/mlx5: fix PCI driver name

[Raslan Darawsheh <rasland@nvidia.com>]

Hi,

> -----Original Message-----
> From: Bing Zhao <bingz@nvidia.com>
> Sent: Monday, October 26, 2020 10:38 AM
> To: viacheslavo@mellanox.com; matan@mellanox.com
> Cc: dev@dpdk.org; Ori Kam <orika@nvidia.com>; Raslan Darawsheh
> <rasland@nvidia.com>; stable@dpdk.org; parav@mellanox.com
> Subject: [PATCH] common/mlx5: fix PCI driver name
> 
> In the refactor of mlx5 common layer, the PCI driver name to the RTE
> device was changed from "net_mlx5" to "mlx5_pci". The string of name
> "mlx5_pci" is used directly in the structure rte_pci_driver.
> 
> In the past, a macro "MLX5_DRIVER_NAME" is used instead of any direct
> string, and now it is missing. The functions that use
> "MLX5_DRIVER_NAME" will get some mismatch, e.g mlx5_eth_find_next.
> 
> It needs to use this macro again in all code to make everything get
> aligned.
> 
> Fixes: 8a41f4deccc3 ("common/mlx5: introduce layer for multiple class
> drivers")
> Cc: parav@mellanox.com
> Cc: stable@dpdk.org
> 
> Signed-off-by: Bing Zhao <bingz@nvidia.com>
> Reviewed-by: Parav Pandit <parav@nvidia.com>
> Acked-by: Matan Azrad <matan@nvidia.com>
> ---
>  drivers/common/mlx5/mlx5_common.h     | 2 ++
>  drivers/common/mlx5/mlx5_common_pci.c | 2 +-
>  drivers/net/mlx5/mlx5_defs.h          | 3 ---
>  3 files changed, 3 insertions(+), 4 deletions(-)
> 
> diff --git a/drivers/common/mlx5/mlx5_common.h
> b/drivers/common/mlx5/mlx5_common.h
> index ed44a45..3d3d109 100644
> --- a/drivers/common/mlx5/mlx5_common.h
> +++ b/drivers/common/mlx5/mlx5_common.h
> @@ -18,6 +18,8 @@
>  #include "mlx5_prm.h"
>  #include "mlx5_devx_cmds.h"
> 
> +/* Reported driver name. */
> +#define MLX5_DRIVER_NAME "mlx5_pci"
> 
>  /* Bit-field manipulation. */
>  #define BITFIELD_DECLARE(bf, type, size) \
> diff --git a/drivers/common/mlx5/mlx5_common_pci.c
> b/drivers/common/mlx5/mlx5_common_pci.c
> index 02417c6..5208972 100644
> --- a/drivers/common/mlx5/mlx5_common_pci.c
> +++ b/drivers/common/mlx5/mlx5_common_pci.c
> @@ -408,7 +408,7 @@ class_name_to_value(const char *class_name)
> 
>  static struct rte_pci_driver mlx5_pci_driver = {
>  	.driver = {
> -		.name = "mlx5_pci",
> +		.name = MLX5_DRIVER_NAME,
>  	},
>  	.probe = mlx5_common_pci_probe,
>  	.remove = mlx5_common_pci_remove,
> diff --git a/drivers/net/mlx5/mlx5_defs.h b/drivers/net/mlx5/mlx5_defs.h
> index 42916ed..2657081 100644
> --- a/drivers/net/mlx5/mlx5_defs.h
> +++ b/drivers/net/mlx5/mlx5_defs.h
> @@ -11,9 +11,6 @@
> 
>  #include "mlx5_autoconf.h"
> 
> -/* Reported driver name. */
> -#define MLX5_DRIVER_NAME "net_mlx5"
> -
>  /* Maximum number of simultaneous VLAN filters. */
>  #define MLX5_MAX_VLAN_IDS 128
> 
> --
> 1.8.3.1

Patch applied to next-net-mlx,

Kindest regards,
Raslan Darawsheh