blob: f656d393fa92d9a74ec8ad90b5fa941547c1d6ac [file] [log] [blame]
// SPDX-License-Identifier: GPL-2.0-or-later
/*
* (C) 2010 Pablo Neira Ayuso <pablo@netfilter.org>
*/
#define pr_fmt(fmt) KBUILD_MODNAME ": " fmt
#include <linux/netfilter.h>
#include <linux/slab.h>
#include <linux/kernel.h>
#include <linux/moduleparam.h>
#include <net/netfilter/nf_conntrack.h>
#include <net/netfilter/nf_conntrack_extend.h>
#include <net/netfilter/nf_conntrack_timestamp.h>
static bool nf_ct_tstamp __read_mostly;
module_param_named(tstamp, nf_ct_tstamp, bool, 0644);
MODULE_PARM_DESC(tstamp, "Enable connection tracking flow timestamping.");
static const struct nf_ct_ext_type tstamp_extend = {
.len = sizeof(struct nf_conn_tstamp),
.align = __alignof__(struct nf_conn_tstamp),
.id = NF_CT_EXT_TSTAMP,
};
void nf_conntrack_tstamp_pernet_init(struct net *net)
{
net->ct.sysctl_tstamp = nf_ct_tstamp;
}
int nf_conntrack_tstamp_init(void)
{
int ret;
ret = nf_ct_extend_register(&tstamp_extend);
if (ret < 0)
pr_err("Unable to register extension\n");
return ret;
}
void nf_conntrack_tstamp_fini(void)
{
nf_ct_extend_unregister(&tstamp_extend);
}