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netfilter: xt_NFQUEUE: remove modulo operations
Signed-off-by: Changli Gao <xiaosuo@gmail.com> Acked-by: Eric Dumazet <eric.dumazet@gmail.com> Signed-off-by: Patrick McHardy <kaber@trash.net>
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@ -72,10 +72,12 @@ nfqueue_tg_v1(struct sk_buff *skb, const struct xt_action_param *par)
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if (info->queues_total > 1) {
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if (par->family == NFPROTO_IPV4)
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queue = hash_v4(skb) % info->queues_total + queue;
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queue = (((u64) hash_v4(skb) * info->queues_total) >>
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32) + queue;
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#if defined(CONFIG_IP6_NF_IPTABLES) || defined(CONFIG_IP6_NF_IPTABLES_MODULE)
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else if (par->family == NFPROTO_IPV6)
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queue = hash_v6(skb) % info->queues_total + queue;
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queue = (((u64) hash_v6(skb) * info->queues_total) >>
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32) + queue;
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#endif
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}
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return NF_QUEUE_NR(queue);
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