1// SPDX-License-Identifier: GPL-2.0-or-later
 2/*
 3 * xfrm_proc.c
 4 *
 5 * Copyright (C)2006-2007 USAGI/WIDE Project
 6 *
 7 * Authors:	Masahide NAKAMURA <nakam@linux-ipv6.org>
 
 
 
 
 
 8 */
 9#include <linux/proc_fs.h>
10#include <linux/seq_file.h>
11#include <linux/export.h>
12#include <net/snmp.h>
13#include <net/xfrm.h>
14
15static const struct snmp_mib xfrm_mib_list[] = {
16	SNMP_MIB_ITEM("XfrmInError", LINUX_MIB_XFRMINERROR),
17	SNMP_MIB_ITEM("XfrmInBufferError", LINUX_MIB_XFRMINBUFFERERROR),
18	SNMP_MIB_ITEM("XfrmInHdrError", LINUX_MIB_XFRMINHDRERROR),
19	SNMP_MIB_ITEM("XfrmInNoStates", LINUX_MIB_XFRMINNOSTATES),
20	SNMP_MIB_ITEM("XfrmInStateProtoError", LINUX_MIB_XFRMINSTATEPROTOERROR),
21	SNMP_MIB_ITEM("XfrmInStateModeError", LINUX_MIB_XFRMINSTATEMODEERROR),
22	SNMP_MIB_ITEM("XfrmInStateSeqError", LINUX_MIB_XFRMINSTATESEQERROR),
23	SNMP_MIB_ITEM("XfrmInStateExpired", LINUX_MIB_XFRMINSTATEEXPIRED),
24	SNMP_MIB_ITEM("XfrmInStateMismatch", LINUX_MIB_XFRMINSTATEMISMATCH),
25	SNMP_MIB_ITEM("XfrmInStateInvalid", LINUX_MIB_XFRMINSTATEINVALID),
26	SNMP_MIB_ITEM("XfrmInTmplMismatch", LINUX_MIB_XFRMINTMPLMISMATCH),
27	SNMP_MIB_ITEM("XfrmInNoPols", LINUX_MIB_XFRMINNOPOLS),
28	SNMP_MIB_ITEM("XfrmInPolBlock", LINUX_MIB_XFRMINPOLBLOCK),
29	SNMP_MIB_ITEM("XfrmInPolError", LINUX_MIB_XFRMINPOLERROR),
30	SNMP_MIB_ITEM("XfrmOutError", LINUX_MIB_XFRMOUTERROR),
31	SNMP_MIB_ITEM("XfrmOutBundleGenError", LINUX_MIB_XFRMOUTBUNDLEGENERROR),
32	SNMP_MIB_ITEM("XfrmOutBundleCheckError", LINUX_MIB_XFRMOUTBUNDLECHECKERROR),
33	SNMP_MIB_ITEM("XfrmOutNoStates", LINUX_MIB_XFRMOUTNOSTATES),
34	SNMP_MIB_ITEM("XfrmOutStateProtoError", LINUX_MIB_XFRMOUTSTATEPROTOERROR),
35	SNMP_MIB_ITEM("XfrmOutStateModeError", LINUX_MIB_XFRMOUTSTATEMODEERROR),
36	SNMP_MIB_ITEM("XfrmOutStateSeqError", LINUX_MIB_XFRMOUTSTATESEQERROR),
37	SNMP_MIB_ITEM("XfrmOutStateExpired", LINUX_MIB_XFRMOUTSTATEEXPIRED),
38	SNMP_MIB_ITEM("XfrmOutPolBlock", LINUX_MIB_XFRMOUTPOLBLOCK),
39	SNMP_MIB_ITEM("XfrmOutPolDead", LINUX_MIB_XFRMOUTPOLDEAD),
40	SNMP_MIB_ITEM("XfrmOutPolError", LINUX_MIB_XFRMOUTPOLERROR),
41	SNMP_MIB_ITEM("XfrmFwdHdrError", LINUX_MIB_XFRMFWDHDRERROR),
42	SNMP_MIB_ITEM("XfrmOutStateInvalid", LINUX_MIB_XFRMOUTSTATEINVALID),
43	SNMP_MIB_ITEM("XfrmAcquireError", LINUX_MIB_XFRMACQUIREERROR),
44	SNMP_MIB_ITEM("XfrmOutStateDirError", LINUX_MIB_XFRMOUTSTATEDIRERROR),
45	SNMP_MIB_ITEM("XfrmInStateDirError", LINUX_MIB_XFRMINSTATEDIRERROR),
46	SNMP_MIB_SENTINEL
47};
48
49static int xfrm_statistics_seq_show(struct seq_file *seq, void *v)
50{
51	unsigned long buff[LINUX_MIB_XFRMMAX];
52	struct net *net = seq->private;
53	int i;
54
55	memset(buff, 0, sizeof(unsigned long) * LINUX_MIB_XFRMMAX);
56
57	xfrm_state_update_stats(net);
58	snmp_get_cpu_field_batch(buff, xfrm_mib_list,
59				 net->mib.xfrm_statistics);
60	for (i = 0; xfrm_mib_list[i].name; i++)
61		seq_printf(seq, "%-24s\t%lu\n", xfrm_mib_list[i].name,
62						buff[i]);
63
 
64	return 0;
65}
66
 
 
 
 
 
 
 
 
 
 
 
 
 
67int __net_init xfrm_proc_init(struct net *net)
68{
69	if (!proc_create_net_single("xfrm_stat", 0444, net->proc_net,
70			 xfrm_statistics_seq_show, NULL))
71		return -ENOMEM;
72	return 0;
73}
74
75void xfrm_proc_fini(struct net *net)
76{
77	remove_proc_entry("xfrm_stat", net->proc_net);
78}

 
 1/*
 2 * xfrm_proc.c
 3 *
 4 * Copyright (C)2006-2007 USAGI/WIDE Project
 5 *
 6 * Authors:	Masahide NAKAMURA <nakam@linux-ipv6.org>
 7 *
 8 * This program is free software; you can redistribute it and/or
 9 * modify it under the terms of the GNU General Public License
10 * as published by the Free Software Foundation; either version
11 * 2 of the License, or (at your option) any later version.
12 */
13#include <linux/proc_fs.h>
14#include <linux/seq_file.h>
 
15#include <net/snmp.h>
16#include <net/xfrm.h>
17
18static const struct snmp_mib xfrm_mib_list[] = {
19	SNMP_MIB_ITEM("XfrmInError", LINUX_MIB_XFRMINERROR),
20	SNMP_MIB_ITEM("XfrmInBufferError", LINUX_MIB_XFRMINBUFFERERROR),
21	SNMP_MIB_ITEM("XfrmInHdrError", LINUX_MIB_XFRMINHDRERROR),
22	SNMP_MIB_ITEM("XfrmInNoStates", LINUX_MIB_XFRMINNOSTATES),
23	SNMP_MIB_ITEM("XfrmInStateProtoError", LINUX_MIB_XFRMINSTATEPROTOERROR),
24	SNMP_MIB_ITEM("XfrmInStateModeError", LINUX_MIB_XFRMINSTATEMODEERROR),
25	SNMP_MIB_ITEM("XfrmInStateSeqError", LINUX_MIB_XFRMINSTATESEQERROR),
26	SNMP_MIB_ITEM("XfrmInStateExpired", LINUX_MIB_XFRMINSTATEEXPIRED),
27	SNMP_MIB_ITEM("XfrmInStateMismatch", LINUX_MIB_XFRMINSTATEMISMATCH),
28	SNMP_MIB_ITEM("XfrmInStateInvalid", LINUX_MIB_XFRMINSTATEINVALID),
29	SNMP_MIB_ITEM("XfrmInTmplMismatch", LINUX_MIB_XFRMINTMPLMISMATCH),
30	SNMP_MIB_ITEM("XfrmInNoPols", LINUX_MIB_XFRMINNOPOLS),
31	SNMP_MIB_ITEM("XfrmInPolBlock", LINUX_MIB_XFRMINPOLBLOCK),
32	SNMP_MIB_ITEM("XfrmInPolError", LINUX_MIB_XFRMINPOLERROR),
33	SNMP_MIB_ITEM("XfrmOutError", LINUX_MIB_XFRMOUTERROR),
34	SNMP_MIB_ITEM("XfrmOutBundleGenError", LINUX_MIB_XFRMOUTBUNDLEGENERROR),
35	SNMP_MIB_ITEM("XfrmOutBundleCheckError", LINUX_MIB_XFRMOUTBUNDLECHECKERROR),
36	SNMP_MIB_ITEM("XfrmOutNoStates", LINUX_MIB_XFRMOUTNOSTATES),
37	SNMP_MIB_ITEM("XfrmOutStateProtoError", LINUX_MIB_XFRMOUTSTATEPROTOERROR),
38	SNMP_MIB_ITEM("XfrmOutStateModeError", LINUX_MIB_XFRMOUTSTATEMODEERROR),
39	SNMP_MIB_ITEM("XfrmOutStateSeqError", LINUX_MIB_XFRMOUTSTATESEQERROR),
40	SNMP_MIB_ITEM("XfrmOutStateExpired", LINUX_MIB_XFRMOUTSTATEEXPIRED),
41	SNMP_MIB_ITEM("XfrmOutPolBlock", LINUX_MIB_XFRMOUTPOLBLOCK),
42	SNMP_MIB_ITEM("XfrmOutPolDead", LINUX_MIB_XFRMOUTPOLDEAD),
43	SNMP_MIB_ITEM("XfrmOutPolError", LINUX_MIB_XFRMOUTPOLERROR),
44	SNMP_MIB_ITEM("XfrmFwdHdrError", LINUX_MIB_XFRMFWDHDRERROR),
 
 
 
 
45	SNMP_MIB_SENTINEL
46};
47
48static int xfrm_statistics_seq_show(struct seq_file *seq, void *v)
49{
 
50	struct net *net = seq->private;
51	int i;
52	for (i=0; xfrm_mib_list[i].name; i++)
 
 
 
 
 
 
53		seq_printf(seq, "%-24s\t%lu\n", xfrm_mib_list[i].name,
54			   snmp_fold_field((void __percpu **)
55					   net->mib.xfrm_statistics,
56					   xfrm_mib_list[i].entry));
57	return 0;
58}
59
60static int xfrm_statistics_seq_open(struct inode *inode, struct file *file)
61{
62	return single_open_net(inode, file, xfrm_statistics_seq_show);
63}
64
65static const struct file_operations xfrm_statistics_seq_fops = {
66	.owner	 = THIS_MODULE,
67	.open	 = xfrm_statistics_seq_open,
68	.read	 = seq_read,
69	.llseek	 = seq_lseek,
70	.release = single_release_net,
71};
72
73int __net_init xfrm_proc_init(struct net *net)
74{
75	if (!proc_net_fops_create(net, "xfrm_stat", S_IRUGO,
76				  &xfrm_statistics_seq_fops))
77		return -ENOMEM;
78	return 0;
79}
80
81void xfrm_proc_fini(struct net *net)
82{
83	proc_net_remove(net, "xfrm_stat");
84}