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d26b698d JK |
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 | ||
58790314 JK |
9 | #include "tls.h" |
10 | ||
d6649d78 | 11 | #ifdef CONFIG_PROC_FS |
d26b698d | 12 | static const struct snmp_mib tls_mib_list[] = { |
b32fd3cc JK |
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), | |
5c5ec668 | 21 | SNMP_MIB_ITEM("TlsDecryptError", LINUX_MIB_TLSDECRYPTERROR), |
a4d26fdb | 22 | SNMP_MIB_ITEM("TlsRxDeviceResync", LINUX_MIB_TLSRXDEVICERESYNC), |
1090c1ea | 23 | SNMP_MIB_ITEM("TlsDecryptRetry", LINUX_MIB_TLSDECRYPTRETRY), |
bb56cea9 | 24 | SNMP_MIB_ITEM("TlsRxNoPadViolation", LINUX_MIB_TLSRXNOPADVIOL), |
d26b698d JK |
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(seq, "%-32s\t%lu\n", tls_mib_list[i].name, buf[i]); | |
37 | ||
38 | return 0; | |
39 | } | |
d6649d78 | 40 | #endif |
d26b698d JK |
41 | |
42 | int __net_init tls_proc_init(struct net *net) | |
43 | { | |
a268e0f2 | 44 | #ifdef CONFIG_PROC_FS |
d26b698d JK |
45 | if (!proc_create_net_single("tls_stat", 0444, net->proc_net, |
46 | tls_statistics_seq_show, NULL)) | |
47 | return -ENOMEM; | |
a268e0f2 YL |
48 | #endif /* CONFIG_PROC_FS */ |
49 | ||
d26b698d JK |
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 | } |