forked from mirrors/linux
510128b30f
This introduces 5 counters to keep track of key updates:
Tls{Rx,Tx}Rekey{Ok,Error} and TlsRxRekeyReceived.
Suggested-by: Jakub Kicinski <kuba@kernel.org>
Signed-off-by: Sabrina Dubroca <sd@queasysnail.net>
Signed-off-by: David S. Miller <davem@davemloft.net>
61 lines
1.9 KiB
C
61 lines
1.9 KiB
C
// SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
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/* Copyright (C) 2019 Netronome Systems, Inc. */
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#include <linux/proc_fs.h>
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#include <linux/seq_file.h>
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#include <net/snmp.h>
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#include <net/tls.h>
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#include "tls.h"
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#ifdef CONFIG_PROC_FS
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static const struct snmp_mib tls_mib_list[] = {
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SNMP_MIB_ITEM("TlsCurrTxSw", LINUX_MIB_TLSCURRTXSW),
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SNMP_MIB_ITEM("TlsCurrRxSw", LINUX_MIB_TLSCURRRXSW),
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SNMP_MIB_ITEM("TlsCurrTxDevice", LINUX_MIB_TLSCURRTXDEVICE),
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SNMP_MIB_ITEM("TlsCurrRxDevice", LINUX_MIB_TLSCURRRXDEVICE),
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SNMP_MIB_ITEM("TlsTxSw", LINUX_MIB_TLSTXSW),
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SNMP_MIB_ITEM("TlsRxSw", LINUX_MIB_TLSRXSW),
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SNMP_MIB_ITEM("TlsTxDevice", LINUX_MIB_TLSTXDEVICE),
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SNMP_MIB_ITEM("TlsRxDevice", LINUX_MIB_TLSRXDEVICE),
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SNMP_MIB_ITEM("TlsDecryptError", LINUX_MIB_TLSDECRYPTERROR),
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SNMP_MIB_ITEM("TlsRxDeviceResync", LINUX_MIB_TLSRXDEVICERESYNC),
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SNMP_MIB_ITEM("TlsDecryptRetry", LINUX_MIB_TLSDECRYPTRETRY),
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SNMP_MIB_ITEM("TlsRxNoPadViolation", LINUX_MIB_TLSRXNOPADVIOL),
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SNMP_MIB_ITEM("TlsRxRekeyOk", LINUX_MIB_TLSRXREKEYOK),
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SNMP_MIB_ITEM("TlsRxRekeyError", LINUX_MIB_TLSRXREKEYERROR),
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SNMP_MIB_ITEM("TlsTxRekeyOk", LINUX_MIB_TLSTXREKEYOK),
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SNMP_MIB_ITEM("TlsTxRekeyError", LINUX_MIB_TLSTXREKEYERROR),
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SNMP_MIB_ITEM("TlsRxRekeyReceived", LINUX_MIB_TLSRXREKEYRECEIVED),
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SNMP_MIB_SENTINEL
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};
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static int tls_statistics_seq_show(struct seq_file *seq, void *v)
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{
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unsigned long buf[LINUX_MIB_TLSMAX] = {};
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struct net *net = seq->private;
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int i;
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snmp_get_cpu_field_batch(buf, tls_mib_list, net->mib.tls_statistics);
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for (i = 0; tls_mib_list[i].name; i++)
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seq_printf(seq, "%-32s\t%lu\n", tls_mib_list[i].name, buf[i]);
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return 0;
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}
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#endif
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int __net_init tls_proc_init(struct net *net)
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{
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#ifdef CONFIG_PROC_FS
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if (!proc_create_net_single("tls_stat", 0444, net->proc_net,
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tls_statistics_seq_show, NULL))
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return -ENOMEM;
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#endif /* CONFIG_PROC_FS */
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return 0;
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}
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void __net_exit tls_proc_fini(struct net *net)
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{
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remove_proc_entry("tls_stat", net->proc_net);
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}
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