| 1 | |
| 2 |
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| 3 |
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| 4 | #include <linux/proc_fs.h>
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| 5 | #include <linux/seq_file.h>
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| 6 | #include <net/snmp.h>
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| 7 | #include <net/tls.h>
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| 8 |
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| 9 | #include "tls.h"
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| 10 |
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| 11 | #ifdef CONFIG_PROC_FS
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| 12 | static const struct snmp_mib tls_mib_list[] = {
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| 13 | SNMP_MIB_ITEM("TlsCurrTxSw", LINUX_MIB_TLSCURRTXSW),
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| 14 | SNMP_MIB_ITEM("TlsCurrRxSw", LINUX_MIB_TLSCURRRXSW),
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| 15 | SNMP_MIB_ITEM("TlsCurrTxDevice", LINUX_MIB_TLSCURRTXDEVICE),
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| 16 | SNMP_MIB_ITEM("TlsCurrRxDevice", LINUX_MIB_TLSCURRRXDEVICE),
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| 17 | SNMP_MIB_ITEM("TlsTxSw", LINUX_MIB_TLSTXSW),
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| 18 | SNMP_MIB_ITEM("TlsRxSw", LINUX_MIB_TLSRXSW),
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| 19 | SNMP_MIB_ITEM("TlsTxDevice", LINUX_MIB_TLSTXDEVICE),
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| 20 | SNMP_MIB_ITEM("TlsRxDevice", LINUX_MIB_TLSRXDEVICE),
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| 21 | SNMP_MIB_ITEM("TlsDecryptError", LINUX_MIB_TLSDECRYPTERROR),
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| 22 | SNMP_MIB_ITEM("TlsRxDeviceResync", LINUX_MIB_TLSRXDEVICERESYNC),
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| 23 | SNMP_MIB_ITEM("TlsDecryptRetry", LINUX_MIB_TLSDECRYPTRETRY),
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| 24 | SNMP_MIB_ITEM("TlsRxNoPadViolation", LINUX_MIB_TLSRXNOPADVIOL),
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| 25 | SNMP_MIB_ITEM("TlsRxRekeyOk", LINUX_MIB_TLSRXREKEYOK),
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| 26 | SNMP_MIB_ITEM("TlsRxRekeyError", LINUX_MIB_TLSRXREKEYERROR),
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| 27 | SNMP_MIB_ITEM("TlsTxRekeyOk", LINUX_MIB_TLSTXREKEYOK),
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| 28 | SNMP_MIB_ITEM("TlsTxRekeyError", LINUX_MIB_TLSTXREKEYERROR),
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| 29 | SNMP_MIB_ITEM("TlsRxRekeyReceived", LINUX_MIB_TLSRXREKEYRECEIVED),
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| 30 | };
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| 31 |
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| 32 | static int tls_statistics_seq_show(struct seq_file *seq, void *v)
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| 33 | {
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| 34 | unsigned long buf[ARRAY_SIZE(tls_mib_list)];
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| 35 | const int cnt = ARRAY_SIZE(tls_mib_list);
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| 36 | struct net *net = seq->private;
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| 37 | int i;
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| 38 |
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| 39 | memset(buf, 0, sizeof(buf));
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| 40 | snmp_get_cpu_field_batch_cnt(buf, tls_mib_list, cnt,
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| 41 | net->mib.tls_statistics);
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| 42 | for (i = 0; i < cnt; i++)
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| 43 | seq_printf(seq, "%-32s\t%lu\n", tls_mib_list[i].name, buf[i]);
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| 44 |
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| 45 | return 0;
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| 46 | }
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| 47 | #endif
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| 48 |
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| 49 | int __net_init tls_proc_init(struct net *net)
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| 50 | {
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| 51 | #ifdef CONFIG_PROC_FS
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| 52 | if (!proc_create_net_single("tls_stat", 0444, net->proc_net,
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| 53 | tls_statistics_seq_show, NULL))
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| 54 | return -ENOMEM;
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| 55 | #endif
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| 56 |
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| 57 | return 0;
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| 58 | }
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| 59 |
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| 60 | void __net_exit tls_proc_fini(struct net *net)
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| 61 | {
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| 62 | remove_proc_entry("tls_stat", net->proc_net);
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| 63 | }
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