// SPDX-License-Identifier: GPL-2.0-only
/* Accouting handling for netfilter. */
/*
* (C) 2008 Krzysztof Piotr Oledzki <ole@ans.pl>
*/
#define pr_fmt(fmt) KBUILD_MODNAME ": " fmt
#include <linux/netfilter.h>
#include <linux/slab.h>
#include <linux/kernel.h>
#include <linux/moduleparam.h>
#include <linux/export.h>
#include <net/netfilter/nf_conntrack.h>
#include <net/netfilter/nf_conntrack_extend.h>
#include <net/netfilter/nf_conntrack_acct.h>
static bool nf_ct_acct __read_mostly;
module_param_named(acct, nf_ct_acct, bool, 0644);
MODULE_PARM_DESC(acct, "Enable connection tracking flow accounting.");
static const struct nf_ct_ext_type acct_extend = {
.len = sizeof(struct nf_conn_acct),
.align = __alignof__(struct nf_conn_acct),
.id = NF_CT_EXT_ACCT,
};
void nf_conntrack_acct_pernet_init(struct net *net)
{
net->ct.sysctl_acct = nf_ct_acct;
}
int nf_conntrack_acct_init(void)
{
int ret = nf_ct_extend_register(&acct_extend);
if (ret < 0)
pr_err("Unable to register extension\n");
return ret;
}
void nf_conntrack_acct_fini(void)
{
nf_ct_extend_unregister(&acct_extend);
}