Release 4.7 include/net/netfilter/nf_conntrack_acct.h

/*
 * (C) 2008 Krzysztof Piotr Oledzki <ole@ans.pl>
 *
 * This program is free software; you can redistribute it and/or modify
 * it under the terms of the GNU General Public License version 2 as
 * published by the Free Software Foundation.
 */

#ifndef _NF_CONNTRACK_ACCT_H

#define _NF_CONNTRACK_ACCT_H
#include <net/net_namespace.h>
#include <linux/netfilter/nf_conntrack_common.h>
#include <linux/netfilter/nf_conntrack_tuple_common.h>
#include <net/netfilter/nf_conntrack.h>
#include <net/netfilter/nf_conntrack_extend.h>


struct nf_conn_counter {
	
atomic64_t packets;
	
atomic64_t bytes;
};


struct nf_conn_acct {
	
struct nf_conn_counter counter[IP_CT_DIR_MAX];
};


static inline

struct nf_conn_acct *nf_conn_acct_find(const struct nf_conn *ct)
{
	return nf_ct_ext_find(ct, NF_CT_EXT_ACCT);
}

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static inline

struct nf_conn_acct *nf_ct_acct_ext_add(struct nf_conn *ct, gfp_t gfp)
{
	struct net *net = nf_ct_net(ct);
	struct nf_conn_acct *acct;

	if (!net->ct.sysctl_acct)
		return NULL;

	acct = nf_ct_ext_add(ct, NF_CT_EXT_ACCT, gfp);
	if (!acct)
		pr_debug("failed to add accounting extension area");


	return acct;
}
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;

unsigned int seq_print_acct(struct seq_file *s, const struct nf_conn *ct,
			    int dir);

/* Check if connection tracking accounting is enabled */


static inline bool nf_ct_acct_enabled(struct net *net)
{
	return net->ct.sysctl_acct != 0;
}

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/* Enable/disable connection tracking accounting */


static inline void nf_ct_set_acct(struct net *net, bool enable)
{
	net->ct.sysctl_acct = enable;
}

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int nf_conntrack_acct_pernet_init(struct net *net);
void nf_conntrack_acct_pernet_fini(struct net *net);

int nf_conntrack_acct_init(void);
void nf_conntrack_acct_fini(void);
#endif /* _NF_CONNTRACK_ACCT_H */
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Directory: include/net/netfilter

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