netdev - Re: [PATCH, net-next] net/mlx5e: fix TLS dependency

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Message-ID: <ffcbcc97b72bd9957a7eafb2553edd1cd7e68dab.camel@mellanox.com>
Date:   Fri, 25 May 2018 23:18:54 +0000
From:   Saeed Mahameed <saeedm@...lanox.com>
To:     "davem@...emloft.net" <davem@...emloft.net>,
        "arnd@...db.de" <arnd@...db.de>,
        "leon@...nel.org" <leon@...nel.org>
CC:     "linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>,
        "linux-rdma@...r.kernel.org" <linux-rdma@...r.kernel.org>,
        Boris Pismenny <borisp@...lanox.com>,
        Or Gerlitz <ogerlitz@...lanox.com>,
        Feras Daoud <ferasda@...lanox.com>,
        Ilan Tayari <ilant@...lanox.com>,
        "netdev@...r.kernel.org" <netdev@...r.kernel.org>,
        Ilya Lesokhin <ilyal@...lanox.com>
Subject: Re: [PATCH, net-next] net/mlx5e: fix TLS dependency

On Fri, 2018-05-25 at 23:36 +0200, Arnd Bergmann wrote:
> With CONFIG_TLS=m and MLX5_CORE_EN=y, we get a link failure:
> 
> drivers/net/ethernet/mellanox/mlx5/core/en_accel/tls_rxtx.o: In
> function `mlx5e_tls_handle_ooo':
> tls_rxtx.c:(.text+0x24c): undefined reference to `tls_get_record'
> drivers/net/ethernet/mellanox/mlx5/core/en_accel/tls_rxtx.o: In
> function `mlx5e_tls_handle_tx_skb':
> tls_rxtx.c:(.text+0x9a8): undefined reference to
> `tls_device_sk_destruct'
> 
> This narrows down the dependency to only allow the configurations
> that will actually work. The existing dependency on TLS_DEVICE is
> not sufficient here since MLX5_EN_TLS is a 'bool' symbol.
> 
> Fixes: c83294b9efa5 ("net/mlx5e: TLS, Add Innova TLS TX support")
> Signed-off-by: Arnd Bergmann <arnd@...db.de>
> ---

LGTM

Acked-by: Saeed Mahameed <saeedm@...lanox.com>

Thank you Arnd!


>  drivers/net/ethernet/mellanox/mlx5/core/Kconfig | 1 +
>  1 file changed, 1 insertion(+)
> 
> diff --git a/drivers/net/ethernet/mellanox/mlx5/core/Kconfig
> b/drivers/net/ethernet/mellanox/mlx5/core/Kconfig
> index ee6684779d11..2545296a0c08 100644
> --- a/drivers/net/ethernet/mellanox/mlx5/core/Kconfig
> +++ b/drivers/net/ethernet/mellanox/mlx5/core/Kconfig
> @@ -91,6 +91,7 @@ config MLX5_EN_TLS
>  	bool "TLS cryptography-offload accelaration"
>  	depends on MLX5_CORE_EN
>  	depends on TLS_DEVICE
> +	depends on TLS=y || MLX5_CORE=m
>  	depends on MLX5_ACCEL
>  	default n
>  	---help---