net/netfilter/nf_conntrack_timestamp.c

Source file repositories/reference/linux-study-clean/net/netfilter/nf_conntrack_timestamp.c

File Facts

System
Linux kernel
Corpus path
net/netfilter/nf_conntrack_timestamp.c
Extension
.c
Size
667 bytes
Lines
26
Domain
Networking Core
Bucket
Sockets, Protocols, Packet Path, And Network Policy
Inferred role
Networking Core: implementation source
Status
source implementation candidate

Why This File Exists

Networking stack implementation surface: socket APIs, protocol dispatch, packet flow, routing, filtering, and network namespaces.

Dependency Surface

Detected Declarations

Annotated Snippet

// 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.");

void nf_conntrack_tstamp_pernet_init(struct net *net)
{
	net->ct.sysctl_tstamp = nf_ct_tstamp;
}

Annotation

Implementation Notes