On Wednesday 2009-09-02 17:36, Patrick McHardy wrote:
>>
>> Nice, I'll use par->family.
>>
>> So in theory I do not even need a check like the following in the beginning?
>>
>> if (family != NFPROTO_IPV4
>> #ifdef CONFIG_IP_VS_IPV6
>> && family != NFPROTO_IPV6
>> #endif
>> ) {
>> match = false;
>> goto out;
>> }
>
>With the AF_UNSPEC registration of your match, it might be used
par->family always contains the NFPROTO of the invoking implementation,
which can never be UNSPEC (except, in future, xtables2 ;-)
par->match->family however may be UNSPEC if the module works that way.
Which is why we have par->family.
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