LXR linux/net/tls/tls

   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
  10static 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
  24static 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
  38int __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
  49void __net_exit tls_proc_fini(struct net *net)
  50{
  51        remove_proc_entry("tls_stat", net->proc_net);
  52}
  53