netdev - Re: [PATCH] net/mlx5e: Fix build error without IPV6

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Date:   Sat, 30 Nov 2019 07:32:38 +0000
From:   Saeed Mahameed <saeedm@...lanox.com>
To:     "davem@...emloft.net" <davem@...emloft.net>,
        Yevgeny Kliteynik <kliteyn@...lanox.com>,
        "pablo@...filter.org" <pablo@...filter.org>,
        Oz Shlomo <ozsh@...lanox.com>, Eli Cohen <eli@...lanox.com>,
        Eli Britstein <elibr@...lanox.com>,
        "yuehaibing@...wei.com" <yuehaibing@...wei.com>,
        "leon@...nel.org" <leon@...nel.org>, Roi Dayan <roid@...lanox.com>
CC:     "netdev@...r.kernel.org" <netdev@...r.kernel.org>,
        "linux-rdma@...r.kernel.org" <linux-rdma@...r.kernel.org>,
        "linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>
Subject: Re: [PATCH] net/mlx5e: Fix build error without IPV6

On Wed, 2019-11-27 at 21:27 +0800, YueHaibing wrote:
> If IPV6 is not set and CONFIG_MLX5_ESWITCH is y,
> building fails:
> 
> drivers/net/ethernet/mellanox/mlx5/core/en/tc_tun.c:322:5: error:
> redefinition of mlx5e_tc_tun_create_header_ipv6
>  int mlx5e_tc_tun_create_header_ipv6(struct mlx5e_priv *priv,
>      ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
> In file included from
> drivers/net/ethernet/mellanox/mlx5/core/en/tc_tun.c:7:0:
> drivers/net/ethernet/mellanox/mlx5/core/en/tc_tun.h:67:1: note:
> previous definition of mlx5e_tc_tun_create_header_ipv6 was here
>  mlx5e_tc_tun_create_header_ipv6(struct mlx5e_priv *priv,
>  ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
> 
> Use #ifdef to guard this, also move mlx5e_route_lookup_ipv6
> to cleanup unused warning.
> 
> Reported-by: Hulk Robot <hulkci@...wei.com>
> Fixes: e689e998e102 ("net/mlx5e: TC, Stub out ipv6 tun create header
> function")
> Signed-off-by: YueHaibing <yuehaibing@...wei.com>

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