From: Arnd Bergmann <[email protected]>
Date: Thu, 22 Sep 2016 11:40:52 +0200
> The new l3s mode in ipvlan relies on netfilter interfaces, but
> the ipvlan driver can be configured when CONFIG_NETFILTER is disabled,
> leading to a build error:
>
> drivers/net/ipvlan/ipvlan.h:132:22: error: 'struct nf_hook_state' declared
> inside parameter list will not be visible outside of this definition or
> declaration [-Werror]
> drivers/net/ipvlan/ipvlan_main.c:14:27: error: array type has incomplete
> element type 'struct nf_hook_ops'
> ...
>
> This adds a forward declaration for struct nf_hook_state, and hides
> the newly added l3s code in an #ifdef.
>
> Fixes: 4fbae7d83c98 ("ipvlan: Introduce l3s mode")
> Signed-off-by: Arnd Bergmann <[email protected]>
I'm pretty sure I applied a Kconfig patch that added the
necessary dependency.
