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