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(seq, "%-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("tls_stat", 0444, net->proc_net, 46 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