linux/net/ipv4/netfilter/nf_dup_ipv4.c

// SPDX-License-Identifier: GPL-2.0-or-later
/*
 * (C) 2007 by Sebastian Claßen <[email protected]>
 * (C) 2007-2010 by Jan Engelhardt <[email protected]>
 *
 * Extracted from xt_TEE.c
 */
#include <linux/ip.h>
#include <linux/module.h>
#include <linux/percpu.h>
#include <linux/route.h>
#include <linux/skbuff.h>
#include <linux/netfilter.h>
#include <net/checksum.h>
#include <net/icmp.h>
#include <net/ip.h>
#include <net/route.h>
#include <net/inet_dscp.h>
#include <net/netfilter/ipv4/nf_dup_ipv4.h>
#if IS_ENABLED(CONFIG_NF_CONNTRACK)
#include <net/netfilter/nf_conntrack.h>
#endif

static bool nf_dup_ipv4_route(struct net *net, struct sk_buff *skb,
			      const struct in_addr *gw, int oif)
{ … }

void nf_dup_ipv4(struct net *net, struct sk_buff *skb, unsigned int hooknum,
		 const struct in_addr *gw, int oif)
{ … }
EXPORT_SYMBOL_GPL(…);

MODULE_AUTHOR(…) …;
MODULE_AUTHOR(…) …;
MODULE_DESCRIPTION(…) …;
MODULE_LICENSE(…) …;