blob: 79d8d16732b426d722f11ec2951ef03891159a63 [file] [log] [blame]
* (C) 2008 Krzysztof Piotr Oledzki <>
* 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.
#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);
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;
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;
/* Enable/disable connection tracking accounting */
static inline void nf_ct_set_acct(struct net *net, bool enable)
net->ct.sysctl_acct = enable;
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 */