Release 4.15 net/xfrm/xfrm_proc.c

/*
 * xfrm_proc.c
 *
 * Copyright (C)2006-2007 USAGI/WIDE Project
 *
 * Authors:     Masahide NAKAMURA <nakam@linux-ipv6.org>
 *
 * This program is free software; you can redistribute it and/or
 * modify it under the terms of the GNU General Public License
 * as published by the Free Software Foundation; either version
 * 2 of the License, or (at your option) any later version.
 */
#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;
}

Contributors
Person
Tokens
Prop
Commits
CommitProp
Masahide Nakamura
55
55.00%
1
33.33%
Jia He
36
36.00%
1
33.33%
Alexey Dobriyan
9
9.00%
1
33.33%
Total
100
100.00%
3
100.00%



static int xfrm_statistics_seq_open(struct inode *inode, struct file *file)
{
	return single_open_net(inode, file, xfrm_statistics_seq_show);
}

Contributors
Person
Tokens
Prop
Commits
CommitProp
Masahide Nakamura
23
88.46%
1
50.00%
Alexey Dobriyan
3
11.54%
1
50.00%
Total
26
100.00%
2
100.00%


static const struct file_operations xfrm_statistics_seq_fops = {
	.owner	 = THIS_MODULE,
	.open	 = xfrm_statistics_seq_open,
	.read	 = seq_read,
	.llseek	 = seq_lseek,
	.release = single_release_net,
};



int __net_init xfrm_proc_init(struct net *net)
{
	if (!proc_create("xfrm_stat", S_IRUGO, net->proc_net,
			 &xfrm_statistics_seq_fops))
		return -ENOMEM;
	return 0;
}

Contributors
Person
Tokens
Prop
Commits
CommitProp
Masahide Nakamura
20
57.14%
1
33.33%
Alexey Dobriyan
10
28.57%
1
33.33%
Gao Feng
5
14.29%
1
33.33%
Total
35
100.00%
3
100.00%



void xfrm_proc_fini(struct net *net)
{
	remove_proc_entry("xfrm_stat", net->proc_net);
}
Contributors
Person
Tokens
Prop
Commits
CommitProp
Alexey Dobriyan
12
63.16%
1
33.33%
Gao Feng
5
26.32%
1
33.33%
Masahide Nakamura
2
10.53%
1
33.33%
Total
19
100.00%
3
100.00%

Overall Contributors
Person
Tokens
Prop
Commits
CommitProp
Masahide Nakamura
329
75.46%
2
16.67%
Jia He
36
8.26%
1
8.33%
Alexey Dobriyan
36
8.26%
2
16.67%
Gao Feng
10
2.29%
2
16.67%
Fan Du
7
1.61%
1
8.33%
Jamal Hadi Salim
7
1.61%
1
8.33%
Li RongQing
7
1.61%
1
8.33%
Paul Gortmaker
3
0.69%
1
8.33%
Stephen Hemminger
1
0.23%
1
8.33%
Total
436
100.00%
12
100.00%
Directory: net/xfrm

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