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Re: [PATCH] net/mlx5e: add IPV6 dependency

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  Re: [PATCH] net/mlx5e: add IPV6 dependency David Miller <davem@davemloft.net> - 2017-03-07 21:30 +0100

#1594610 — Re: [PATCH] net/mlx5e: add IPV6 dependency

From: Arnd Bergmann <arnd@arndb.de>
Date: Tue, 28 Feb 2017 22:12:04 +0100

> The ethernet support now calls directly into the ipv6 core code, which
> fails if IPV6 is a loadable module but mlx5 is built-in:
> 
> drivers/net/ethernet/mellanox/mlx5/core/en_tc.o: In function `mlx5e_create_encap_header_ipv6':
> en_tc.c:(.text.mlx5e_create_encap_header_ipv6+0x110): undefined reference to `ip6_route_output_flags'
> 
> This adds a dependency to ensure that MLX5_CORE_EN can only be built
> if we are able link the kernel successfully. The downside is that the
> ethernet option can be hidden. Alternatively we could make MLX5_CORE
> depend on "IPV6 || !IPV6", which would force MLX5_CORE to be a module
> when IPV6 is, including in configurations where we don't use the ethernet
> support at all.
> 
> Signed-off-by: Arnd Bergmann <arnd@arndb.de>

Applied.

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