Re: [RFC,PATCH] netfilter: SNMP conntrack module

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Am 14.01.2011 21:18, schrieb Jiri Olsa:
> hi,
> 
> attached patch adds SNMP conntrack module to the netfilter.
> 
> I refer to the following conversation:
> http://marc.info/?l=netfilter-devel&m=125992205006600&w=2
> 
> Patrick McHardy wrote:
>> The best solution would be to add generic broadcast tracking, the
>> use of expectations for this is a bit of abuse.
> 
>> The second best choice I guess would be to move the help() function
>> to a shared module and generalize it so it can be used for both.
> 
> The patch tries to implement the "second best choice".
> 
> In case the 'second best choice' is not good enough anyway,
> could you please outline the first one in more detail..?

Adding full broadcast tracking is non-trivial, so this is good
enough for now.

> Also the patch is not adding the "help" function to the
> shared module, since I'm not sure where to put it. If the
> idea of the patch would be acceptable, could you please
> suggest the shared module for the 'help' function?

How about adding a nf_conntrack_broadcast.c or something
like that and keep the common code there? The help function
and the expect policy (probably not really worth it) could
be moved to that file.

> --- /dev/null
> +++ b/net/netfilter/nf_conntrack_snmp.c

Besides Jan comments, the patch looks fine to me.

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