1*4882a593Smuzhiyun // SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
2*4882a593Smuzhiyun /* Copyright (C) 2019 Netronome Systems, Inc. */
3*4882a593Smuzhiyun
4*4882a593Smuzhiyun #include <linux/proc_fs.h>
5*4882a593Smuzhiyun #include <linux/seq_file.h>
6*4882a593Smuzhiyun #include <net/snmp.h>
7*4882a593Smuzhiyun #include <net/tls.h>
8*4882a593Smuzhiyun
9*4882a593Smuzhiyun #ifdef CONFIG_PROC_FS
10*4882a593Smuzhiyun static const struct snmp_mib tls_mib_list[] = {
11*4882a593Smuzhiyun SNMP_MIB_ITEM("TlsCurrTxSw", LINUX_MIB_TLSCURRTXSW),
12*4882a593Smuzhiyun SNMP_MIB_ITEM("TlsCurrRxSw", LINUX_MIB_TLSCURRRXSW),
13*4882a593Smuzhiyun SNMP_MIB_ITEM("TlsCurrTxDevice", LINUX_MIB_TLSCURRTXDEVICE),
14*4882a593Smuzhiyun SNMP_MIB_ITEM("TlsCurrRxDevice", LINUX_MIB_TLSCURRRXDEVICE),
15*4882a593Smuzhiyun SNMP_MIB_ITEM("TlsTxSw", LINUX_MIB_TLSTXSW),
16*4882a593Smuzhiyun SNMP_MIB_ITEM("TlsRxSw", LINUX_MIB_TLSRXSW),
17*4882a593Smuzhiyun SNMP_MIB_ITEM("TlsTxDevice", LINUX_MIB_TLSTXDEVICE),
18*4882a593Smuzhiyun SNMP_MIB_ITEM("TlsRxDevice", LINUX_MIB_TLSRXDEVICE),
19*4882a593Smuzhiyun SNMP_MIB_ITEM("TlsDecryptError", LINUX_MIB_TLSDECRYPTERROR),
20*4882a593Smuzhiyun SNMP_MIB_ITEM("TlsRxDeviceResync", LINUX_MIB_TLSRXDEVICERESYNC),
21*4882a593Smuzhiyun SNMP_MIB_SENTINEL
22*4882a593Smuzhiyun };
23*4882a593Smuzhiyun
tls_statistics_seq_show(struct seq_file * seq,void * v)24*4882a593Smuzhiyun static int tls_statistics_seq_show(struct seq_file *seq, void *v)
25*4882a593Smuzhiyun {
26*4882a593Smuzhiyun unsigned long buf[LINUX_MIB_TLSMAX] = {};
27*4882a593Smuzhiyun struct net *net = seq->private;
28*4882a593Smuzhiyun int i;
29*4882a593Smuzhiyun
30*4882a593Smuzhiyun snmp_get_cpu_field_batch(buf, tls_mib_list, net->mib.tls_statistics);
31*4882a593Smuzhiyun for (i = 0; tls_mib_list[i].name; i++)
32*4882a593Smuzhiyun seq_printf(seq, "%-32s\t%lu\n", tls_mib_list[i].name, buf[i]);
33*4882a593Smuzhiyun
34*4882a593Smuzhiyun return 0;
35*4882a593Smuzhiyun }
36*4882a593Smuzhiyun #endif
37*4882a593Smuzhiyun
tls_proc_init(struct net * net)38*4882a593Smuzhiyun int __net_init tls_proc_init(struct net *net)
39*4882a593Smuzhiyun {
40*4882a593Smuzhiyun #ifdef CONFIG_PROC_FS
41*4882a593Smuzhiyun if (!proc_create_net_single("tls_stat", 0444, net->proc_net,
42*4882a593Smuzhiyun tls_statistics_seq_show, NULL))
43*4882a593Smuzhiyun return -ENOMEM;
44*4882a593Smuzhiyun #endif /* CONFIG_PROC_FS */
45*4882a593Smuzhiyun
46*4882a593Smuzhiyun return 0;
47*4882a593Smuzhiyun }
48*4882a593Smuzhiyun
tls_proc_fini(struct net * net)49*4882a593Smuzhiyun void __net_exit tls_proc_fini(struct net *net)
50*4882a593Smuzhiyun {
51*4882a593Smuzhiyun remove_proc_entry("tls_stat", net->proc_net);
52*4882a593Smuzhiyun }
53