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 | #include "tls.h" |
10 | |
11 | #ifdef CONFIG_PROC_FS |
12 | static const struct snmp_mib tls_mib_list[] = { |
13 | SNMP_MIB_ITEM("TlsCurrTxSw" , LINUX_MIB_TLSCURRTXSW), |
14 | SNMP_MIB_ITEM("TlsCurrRxSw" , LINUX_MIB_TLSCURRRXSW), |
15 | SNMP_MIB_ITEM("TlsCurrTxDevice" , LINUX_MIB_TLSCURRTXDEVICE), |
16 | SNMP_MIB_ITEM("TlsCurrRxDevice" , LINUX_MIB_TLSCURRRXDEVICE), |
17 | SNMP_MIB_ITEM("TlsTxSw" , LINUX_MIB_TLSTXSW), |
18 | SNMP_MIB_ITEM("TlsRxSw" , LINUX_MIB_TLSRXSW), |
19 | SNMP_MIB_ITEM("TlsTxDevice" , LINUX_MIB_TLSTXDEVICE), |
20 | SNMP_MIB_ITEM("TlsRxDevice" , LINUX_MIB_TLSRXDEVICE), |
21 | SNMP_MIB_ITEM("TlsDecryptError" , LINUX_MIB_TLSDECRYPTERROR), |
22 | SNMP_MIB_ITEM("TlsRxDeviceResync" , LINUX_MIB_TLSRXDEVICERESYNC), |
23 | SNMP_MIB_ITEM("TlsDecryptRetry" , LINUX_MIB_TLSDECRYPTRETRY), |
24 | SNMP_MIB_ITEM("TlsRxNoPadViolation" , LINUX_MIB_TLSRXNOPADVIOL), |
25 | SNMP_MIB_SENTINEL |
26 | }; |
27 | |
28 | static int tls_statistics_seq_show(struct seq_file *seq, void *v) |
29 | { |
30 | unsigned long buf[LINUX_MIB_TLSMAX] = {}; |
31 | struct net *net = seq->private; |
32 | int i; |
33 | |
34 | snmp_get_cpu_field_batch(buf, tls_mib_list, net->mib.tls_statistics); |
35 | for (i = 0; tls_mib_list[i].name; i++) |
36 | seq_printf(m: seq, fmt: "%-32s\t%lu\n" , tls_mib_list[i].name, buf[i]); |
37 | |
38 | return 0; |
39 | } |
40 | #endif |
41 | |
42 | int __net_init tls_proc_init(struct net *net) |
43 | { |
44 | #ifdef CONFIG_PROC_FS |
45 | if (!proc_create_net_single(name: "tls_stat" , mode: 0444, parent: net->proc_net, |
46 | show: tls_statistics_seq_show, NULL)) |
47 | return -ENOMEM; |
48 | #endif /* CONFIG_PROC_FS */ |
49 | |
50 | return 0; |
51 | } |
52 | |
53 | void __net_exit tls_proc_fini(struct net *net) |
54 | { |
55 | remove_proc_entry("tls_stat" , net->proc_net); |
56 | } |
57 | |