Adding upstream version 5.10.209.upstream/5.10.209upstream

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>

1 files changed, 45 insertions, 0 deletions

diff --git a/net/netfilter/nf_conntrack_timestamp.c b/net/netfilter/nf_conntrack_timestamp.c
new file mode 100644
index 000000000..f656d393f
--- /dev/null
+++ b/net/netfilter/nf_conntrack_timestamp.c
@@ -0,0 +1,45 @@
+// 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);
+}