linux/net/tls/tls_proc.c
YueHaibing d6649d788e net/tls: Fix unused function warning
If PROC_FS is not set, gcc warning this:

net/tls/tls_proc.c:23:12: warning:
 'tls_statistics_seq_show' defined but not used [-Wunused-function]

Use #ifdef to guard this.

Reported-by: Hulk Robot <hulkci@huawei.com>
Signed-off-by: YueHaibing <yuehaibing@huawei.com>
Acked-by: Jakub Kicinski <jakub.kicinski@netronome.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2019-11-15 12:12:28 -08:00

50 lines
1.5 KiB
C

// 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>
#ifdef CONFIG_PROC_FS
static const struct snmp_mib tls_mib_list[] = {
SNMP_MIB_ITEM("TlsCurrTxSw", LINUX_MIB_TLSCURRTXSW),
SNMP_MIB_ITEM("TlsCurrRxSw", LINUX_MIB_TLSCURRRXSW),
SNMP_MIB_ITEM("TlsCurrTxDevice", LINUX_MIB_TLSCURRTXDEVICE),
SNMP_MIB_ITEM("TlsCurrRxDevice", LINUX_MIB_TLSCURRRXDEVICE),
SNMP_MIB_ITEM("TlsTxSw", LINUX_MIB_TLSTXSW),
SNMP_MIB_ITEM("TlsRxSw", LINUX_MIB_TLSRXSW),
SNMP_MIB_ITEM("TlsTxDevice", LINUX_MIB_TLSTXDEVICE),
SNMP_MIB_ITEM("TlsRxDevice", LINUX_MIB_TLSRXDEVICE),
SNMP_MIB_ITEM("TlsDecryptError", LINUX_MIB_TLSDECRYPTERROR),
SNMP_MIB_ITEM("TlsRxDeviceResync", LINUX_MIB_TLSRXDEVICERESYNC),
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;
}
#endif
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);
}