1// SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
 2/* Copyright (C) 2019 Netronome Systems, Inc. */
 3
 4#include <linux/proc_fs.h>
 5#include <linux/seq_file.h>
 6#include <net/snmp.h>
 7#include <net/tls.h>
 8
 9#ifdef CONFIG_PROC_FS
10static const struct snmp_mib tls_mib_list[] = {
11	SNMP_MIB_ITEM("TlsCurrTxSw", LINUX_MIB_TLSCURRTXSW),
12	SNMP_MIB_ITEM("TlsCurrRxSw", LINUX_MIB_TLSCURRRXSW),
13	SNMP_MIB_ITEM("TlsCurrTxDevice", LINUX_MIB_TLSCURRTXDEVICE),
14	SNMP_MIB_ITEM("TlsCurrRxDevice", LINUX_MIB_TLSCURRRXDEVICE),
15	SNMP_MIB_ITEM("TlsTxSw", LINUX_MIB_TLSTXSW),
16	SNMP_MIB_ITEM("TlsRxSw", LINUX_MIB_TLSRXSW),
17	SNMP_MIB_ITEM("TlsTxDevice", LINUX_MIB_TLSTXDEVICE),
18	SNMP_MIB_ITEM("TlsRxDevice", LINUX_MIB_TLSRXDEVICE),
19	SNMP_MIB_ITEM("TlsDecryptError", LINUX_MIB_TLSDECRYPTERROR),
20	SNMP_MIB_ITEM("TlsRxDeviceResync", LINUX_MIB_TLSRXDEVICERESYNC),
21	SNMP_MIB_SENTINEL
22};
23
24static int tls_statistics_seq_show(struct seq_file *seq, void *v)
25{
26	unsigned long buf[LINUX_MIB_TLSMAX] = {};
27	struct net *net = seq->private;
28	int i;
29
30	snmp_get_cpu_field_batch(buf, tls_mib_list, net->mib.tls_statistics);
31	for (i = 0; tls_mib_list[i].name; i++)
32		seq_printf(seq, "%-32s\t%lu\n", tls_mib_list[i].name, buf[i]);
33
34	return 0;
35}
36#endif
37
38int __net_init tls_proc_init(struct net *net)
39{
40	if (!proc_create_net_single("tls_stat", 0444, net->proc_net,
41				    tls_statistics_seq_show, NULL))
42		return -ENOMEM;
43	return 0;
44}
45
46void __net_exit tls_proc_fini(struct net *net)
47{
48	remove_proc_entry("tls_stat", net->proc_net);
49}