| Olivier Deprez | 157378f | 2022-04-04 15:47:50 +0200 | [diff] [blame^] | 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 |
| 10 | static 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 | |
| 24 | static 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 | |
| 38 | int __net_init tls_proc_init(struct net *net) |
| 39 | { |
| 40 | #ifdef CONFIG_PROC_FS |
| 41 | if (!proc_create_net_single("tls_stat", 0444, net->proc_net, |
| 42 | tls_statistics_seq_show, NULL)) |
| 43 | return -ENOMEM; |
| 44 | #endif /* CONFIG_PROC_FS */ |
| 45 | |
| 46 | return 0; |
| 47 | } |
| 48 | |
| 49 | void __net_exit tls_proc_fini(struct net *net) |
| 50 | { |
| 51 | remove_proc_entry("tls_stat", net->proc_net); |
| 52 | } |