Re: [PATCH v2 1/9] tproxy: split off ipv6 defragmentation to a separate module

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Am 25.10.2010 12:14, schrieb Eric Dumazet:
> Le lundi 25 octobre 2010 Ã 11:38 +0200, KOVACS Krisztian a Ãcrit :
>> Hi,
>>
>> On Fri, 2010-10-22 at 00:19 +0200, Eric Dumazet wrote:
>>> Le jeudi 21 octobre 2010 Ã 16:04 +0200, Patrick McHardy a Ãcrit :
>>>> Am 21.10.2010 13:43, schrieb KOVACS Krisztian:
>>>>> tproxy: split off ipv6 defragmentation to a separate module
>>>>>     
>>>>>     Like with IPv4, TProxy needs IPv6 defragmentation but does not
>>>>>     require connection tracking. Since defragmentation was coupled
>>>>>     with conntrack, I split off the two, creating an nf_defrag_ipv6 module,
>>>>>     similar to the already existing nf_defrag_ipv4.
>>>>
>>>> Applied, thanks.
>>>
>>> Hmm...
>>>
>>> CONFIG_IPV6=m
>>> CONFIG_NETFILTER_TPROXY=m
>>>
>>>
>>>   MODPOST 201 modules
>>> ERROR: "nf_defrag_ipv6_enable" [net/netfilter/xt_TPROXY.ko] undefined!
>>> ERROR: "ipv6_find_hdr" [net/netfilter/xt_TPROXY.ko] undefined!
>>>
>>> Sorry, it's late here, I wont fix this ;)
>>
>> Oops, I guess this is because you do have IPv6 support but don't have
>> ip6tables enabled in your config. Does the patch below fix the issue for
>> you? (For me it now compiles with and without IPv6 conntrack, ip6tables
>> and IPv6 support, too.)
>>
>>
> 
> I had ip6tables enabled, but not CONFIG_NF_CONNTRACK_IPV6 ;)
> 
>>
>> netfilter: fix module dependency issues with IPv6 defragmentation, ip6tables and xt_TPROXY
>>
>> One of the previous tproxy related patches split IPv6 defragmentation and
>> connection tracking, but did not correctly add Kconfig stanzas to handle the
>> new dependencies correctly. This patch fixes that by making the config options
>> mirror the setup we have for IPv4: a distinct config option for defragmentation
>> that is automatically selected by both connection tracking and
>> xt_TPROXY/xt_socket.
>>
>> The patch also changes the #ifdefs enclosing IPv6 specific code in xt_socket
>> and xt_TPROXY: we only compile these in case we have ip6tables support enabled.
>>
>> Signed-off-by: KOVACS Krisztian <hidden@xxxxxxxxxx>
> 
> Reported-and-tested-by: Eric Dumazet <eric.dumazet@xxxxxxxxx>

Dave, please apply directly. Thanks!
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