// SPDX-License-Identifier: GPL-2.0-or-later
|
/*
|
* xfrm_proc.c
|
*
|
* Copyright (C)2006-2007 USAGI/WIDE Project
|
*
|
* Authors: Masahide NAKAMURA <nakam@linux-ipv6.org>
|
*/
|
#include <linux/proc_fs.h>
|
#include <linux/seq_file.h>
|
#include <linux/export.h>
|
#include <net/snmp.h>
|
#include <net/xfrm.h>
|
|
static const struct snmp_mib xfrm_mib_list[] = {
|
SNMP_MIB_ITEM("XfrmInError", LINUX_MIB_XFRMINERROR),
|
SNMP_MIB_ITEM("XfrmInBufferError", LINUX_MIB_XFRMINBUFFERERROR),
|
SNMP_MIB_ITEM("XfrmInHdrError", LINUX_MIB_XFRMINHDRERROR),
|
SNMP_MIB_ITEM("XfrmInNoStates", LINUX_MIB_XFRMINNOSTATES),
|
SNMP_MIB_ITEM("XfrmInStateProtoError", LINUX_MIB_XFRMINSTATEPROTOERROR),
|
SNMP_MIB_ITEM("XfrmInStateModeError", LINUX_MIB_XFRMINSTATEMODEERROR),
|
SNMP_MIB_ITEM("XfrmInStateSeqError", LINUX_MIB_XFRMINSTATESEQERROR),
|
SNMP_MIB_ITEM("XfrmInStateExpired", LINUX_MIB_XFRMINSTATEEXPIRED),
|
SNMP_MIB_ITEM("XfrmInStateMismatch", LINUX_MIB_XFRMINSTATEMISMATCH),
|
SNMP_MIB_ITEM("XfrmInStateInvalid", LINUX_MIB_XFRMINSTATEINVALID),
|
SNMP_MIB_ITEM("XfrmInTmplMismatch", LINUX_MIB_XFRMINTMPLMISMATCH),
|
SNMP_MIB_ITEM("XfrmInNoPols", LINUX_MIB_XFRMINNOPOLS),
|
SNMP_MIB_ITEM("XfrmInPolBlock", LINUX_MIB_XFRMINPOLBLOCK),
|
SNMP_MIB_ITEM("XfrmInPolError", LINUX_MIB_XFRMINPOLERROR),
|
SNMP_MIB_ITEM("XfrmOutError", LINUX_MIB_XFRMOUTERROR),
|
SNMP_MIB_ITEM("XfrmOutBundleGenError", LINUX_MIB_XFRMOUTBUNDLEGENERROR),
|
SNMP_MIB_ITEM("XfrmOutBundleCheckError", LINUX_MIB_XFRMOUTBUNDLECHECKERROR),
|
SNMP_MIB_ITEM("XfrmOutNoStates", LINUX_MIB_XFRMOUTNOSTATES),
|
SNMP_MIB_ITEM("XfrmOutStateProtoError", LINUX_MIB_XFRMOUTSTATEPROTOERROR),
|
SNMP_MIB_ITEM("XfrmOutStateModeError", LINUX_MIB_XFRMOUTSTATEMODEERROR),
|
SNMP_MIB_ITEM("XfrmOutStateSeqError", LINUX_MIB_XFRMOUTSTATESEQERROR),
|
SNMP_MIB_ITEM("XfrmOutStateExpired", LINUX_MIB_XFRMOUTSTATEEXPIRED),
|
SNMP_MIB_ITEM("XfrmOutPolBlock", LINUX_MIB_XFRMOUTPOLBLOCK),
|
SNMP_MIB_ITEM("XfrmOutPolDead", LINUX_MIB_XFRMOUTPOLDEAD),
|
SNMP_MIB_ITEM("XfrmOutPolError", LINUX_MIB_XFRMOUTPOLERROR),
|
SNMP_MIB_ITEM("XfrmFwdHdrError", LINUX_MIB_XFRMFWDHDRERROR),
|
SNMP_MIB_ITEM("XfrmOutStateInvalid", LINUX_MIB_XFRMOUTSTATEINVALID),
|
SNMP_MIB_ITEM("XfrmAcquireError", LINUX_MIB_XFRMACQUIREERROR),
|
SNMP_MIB_SENTINEL
|
};
|
|
static int xfrm_statistics_seq_show(struct seq_file *seq, void *v)
|
{
|
unsigned long buff[LINUX_MIB_XFRMMAX];
|
struct net *net = seq->private;
|
int i;
|
|
memset(buff, 0, sizeof(unsigned long) * LINUX_MIB_XFRMMAX);
|
|
snmp_get_cpu_field_batch(buff, xfrm_mib_list,
|
net->mib.xfrm_statistics);
|
for (i = 0; xfrm_mib_list[i].name; i++)
|
seq_printf(seq, "%-24s\t%lu\n", xfrm_mib_list[i].name,
|
buff[i]);
|
|
return 0;
|
}
|
|
int __net_init xfrm_proc_init(struct net *net)
|
{
|
if (!proc_create_net_single("xfrm_stat", 0444, net->proc_net,
|
xfrm_statistics_seq_show, NULL))
|
return -ENOMEM;
|
return 0;
|
}
|
|
void xfrm_proc_fini(struct net *net)
|
{
|
remove_proc_entry("xfrm_stat", net->proc_net);
|
}
|
