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 } 53