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net/tls: add skeleton of MIB statistics

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Add a skeleton structure for adding TLS statistics.

Signed-off-by: Jakub Kicinski <jakub.kicinski@netronome.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Jakub Kicinski 2019-10-04 16:19:24 -07:00 • committed by David S. Miller
parent 9ec1c6ac27
commit d26b698dd3
8 changed files with 110 additions and 1 deletions
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37
net/tls/tls_proc.c Normal file
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// SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
/* Copyright (C) 2019 Netronome Systems, Inc. */
#include <linux/proc_fs.h>
#include <linux/seq_file.h>
#include <net/snmp.h>
#include <net/tls.h>
static const struct snmp_mib tls_mib_list[] = {
SNMP_MIB_SENTINEL
};
static int tls_statistics_seq_show(struct seq_file *seq, void *v)
{
unsigned long buf[LINUX_MIB_TLSMAX] = {};
struct net *net = seq->private;
int i;
snmp_get_cpu_field_batch(buf, tls_mib_list, net->mib.tls_statistics);
for (i = 0; tls_mib_list[i].name; i++)
seq_printf(seq, "%-32s\t%lu\n", tls_mib_list[i].name, buf[i]);
return 0;
}
int __net_init tls_proc_init(struct net *net)
{
if (!proc_create_net_single("tls_stat", 0444, net->proc_net,
tls_statistics_seq_show, NULL))
return -ENOMEM;
return 0;
}
void __net_exit tls_proc_fini(struct net *net)
{
remove_proc_entry("tls_stat", net->proc_net);
}