Re: [dpdk-stable] [PATCH] net/mlx5: fix unix socket server file name

[Slava Ovsiienko <viacheslavo@nvidia.com>]

> -----Original Message-----
> From: Xueming Li <xuemingl@nvidia.com>
> Sent: Tuesday, November 3, 2020 10:29
> To: Matan Azrad <matan@nvidia.com>; Slava Ovsiienko
> <viacheslavo@nvidia.com>
> Cc: dev@dpdk.org; Xueming(Steven) Li <xuemingl@nvidia.com>; Asaf Penso
> <asafp@nvidia.com>; Bing Zhao <bingz@nvidia.com>; stable@dpdk.org
> Subject: [PATCH] net/mlx5: fix unix socket server file name
> 
> mlx_steering_dump_parser.py tool failed to dump flow due to socket file name
> changed.
> 
> Change socket file name back to make it consistent.
> 
> Fixes: b1e15224849b ("common/mlx5: fix PCI driver name")
> Cc: bingz@nvidia.com
> Cc: stable@dpdk.org
> 
> Signed-off-by: Xueming Li <xuemingl@nvidia.com>
Acked-by: Viacheslav Ovsiienko <viacheslavo@nvidia.com>

> ---
>  drivers/net/mlx5/linux/mlx5_socket.c | 14 +++++---------
>  1 file changed, 5 insertions(+), 9 deletions(-)
> 
> diff --git a/drivers/net/mlx5/linux/mlx5_socket.c
> b/drivers/net/mlx5/linux/mlx5_socket.c
> index 08af905126..1938453980 100644
> --- a/drivers/net/mlx5/linux/mlx5_socket.c
> +++ b/drivers/net/mlx5/linux/mlx5_socket.c
> @@ -20,16 +20,11 @@
> 
>  /* PMD socket service for tools. */
> 
> +#define MLX5_SOCKET_PATH "/var/tmp/dpdk_net_mlx5_%d"
> +
>  int server_socket; /* Unix socket for primary process. */  struct
> rte_intr_handle server_intr_handle; /* Interrupt handler. */
> 
> -static void
> -mlx5_pmd_make_path(struct sockaddr_un *addr, int pid) -{
> -	snprintf(addr->sun_path, sizeof(addr->sun_path),
> "/var/tmp/dpdk_%s_%d",
> -		 MLX5_DRIVER_NAME, pid);
> -}
> -
>  /**
>   * Handle server pmd socket interrupts.
>   */
> @@ -186,7 +181,8 @@ mlx5_pmd_socket_init(void)
>  	ret = fcntl(server_socket, F_SETFL, flags | O_NONBLOCK);
>  	if (ret < 0)
>  		goto error;
> -	mlx5_pmd_make_path(&sun, getpid());
> +	snprintf(sun.sun_path, sizeof(sun.sun_path), MLX5_SOCKET_PATH,
> +		 getpid());
>  	remove(sun.sun_path);
>  	ret = bind(server_socket, (const struct sockaddr *)&sun, sizeof(sun));
>  	if (ret < 0) {
> @@ -225,6 +221,6 @@ RTE_FINI(mlx5_pmd_socket_uninit)
>  	mlx5_pmd_interrupt_handler_uninstall();
>  	claim_zero(close(server_socket));
>  	server_socket = 0;
> -	MKSTR(path, "/var/tmp/dpdk_%s_%d", MLX5_DRIVER_NAME,
> getpid());
> +	MKSTR(path, MLX5_SOCKET_PATH, getpid());
>  	claim_zero(remove(path));
>  }
> --
> 2.25.1