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40 lines
957 B
C
40 lines
957 B
C
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/*
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* Copyright (c) 2015 Pablo Neira Ayuso <pablo@netfilter.org>
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*
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* This program is free software; you can redistribute it and/or modify it
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* under the terms of the GNU General Public License version 2 as published by
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* the Free Software Foundation.
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*/
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#include <linux/kernel.h>
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#include <linux/init.h>
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#include <linux/module.h>
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#include <linux/netlink.h>
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#include <linux/netfilter.h>
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#include <linux/netfilter/nf_tables.h>
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#include <net/netfilter/nf_tables.h>
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void nf_dup_netdev_egress(const struct nft_pktinfo *pkt, int oif)
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{
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struct net_device *dev;
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struct sk_buff *skb;
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dev = dev_get_by_index_rcu(pkt->net, oif);
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if (dev == NULL)
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return;
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skb = skb_clone(pkt->skb, GFP_ATOMIC);
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if (skb == NULL)
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return;
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if (skb_mac_header_was_set(skb))
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skb_push(skb, skb->mac_len);
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skb->dev = dev;
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dev_queue_xmit(skb);
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}
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EXPORT_SYMBOL_GPL(nf_dup_netdev_egress);
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MODULE_LICENSE("GPL");
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MODULE_AUTHOR("Pablo Neira Ayuso <pablo@netfilter.org>");
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