netfilter: xt_connlimit: remove mask argument
Instead of passing mask to all the helpers, just fixup the search key early. After rbtree conversion, each rbtree node stores connections of same 'addr & mask', so no need to pass the mask too. Signed-off-by: Florian Westphal <fw@strlen.de> Signed-off-by: Pablo Neira Ayuso <pablo@netfilter.org>
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