netdev - Re: [PATCH net-next] af_mpls: fix undefined reference to ip6_route

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Date:	Wed, 22 Jul 2015 13:04:44 -0700 (PDT)
From:	David Miller <davem@...emloft.net>
To:	tgraf@...g.ch
Cc:	roopa@...ulusnetworks.com, netdev@...r.kernel.org
Subject: Re: [PATCH net-next] af_mpls: fix undefined reference to
 ip6_route_output

From: Thomas Graf <tgraf@...g.ch>
Date: Wed, 22 Jul 2015 21:57:06 +0200

> On 07/22/15 at 12:30pm, roopa wrote:
>> diff --git a/net/mpls/Kconfig b/net/mpls/Kconfig
>> index 5c467ef..2b28615 100644
>> --- a/net/mpls/Kconfig
>> +++ b/net/mpls/Kconfig
>> @@ -24,6 +24,8 @@ config NET_MPLS_GSO
>> 
>>  config MPLS_ROUTING
>>         tristate "MPLS: routing support"
>> +       depends on INET
>> +       depends on IPV6
>>         ---help---
>>          Add support for forwarding of mpls packets.
> 
> This looks like a much better fix to me and resolves the
> module/built-in dependency mess.

It's only OK if we don't create a new hard dependency on IPV6,
which this patch does.

Consitently across the tree we give the user the option of
using a bi-AF facility with or without IPV6.
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