1*4882a593Smuzhiyun // SPDX-License-Identifier: GPL-2.0-or-later
2*4882a593Smuzhiyun /*
3*4882a593Smuzhiyun * xfrm_proc.c
4*4882a593Smuzhiyun *
5*4882a593Smuzhiyun * Copyright (C)2006-2007 USAGI/WIDE Project
6*4882a593Smuzhiyun *
7*4882a593Smuzhiyun * Authors: Masahide NAKAMURA <nakam@linux-ipv6.org>
8*4882a593Smuzhiyun */
9*4882a593Smuzhiyun #include <linux/proc_fs.h>
10*4882a593Smuzhiyun #include <linux/seq_file.h>
11*4882a593Smuzhiyun #include <linux/export.h>
12*4882a593Smuzhiyun #include <net/snmp.h>
13*4882a593Smuzhiyun #include <net/xfrm.h>
14*4882a593Smuzhiyun
15*4882a593Smuzhiyun static const struct snmp_mib xfrm_mib_list[] = {
16*4882a593Smuzhiyun SNMP_MIB_ITEM("XfrmInError", LINUX_MIB_XFRMINERROR),
17*4882a593Smuzhiyun SNMP_MIB_ITEM("XfrmInBufferError", LINUX_MIB_XFRMINBUFFERERROR),
18*4882a593Smuzhiyun SNMP_MIB_ITEM("XfrmInHdrError", LINUX_MIB_XFRMINHDRERROR),
19*4882a593Smuzhiyun SNMP_MIB_ITEM("XfrmInNoStates", LINUX_MIB_XFRMINNOSTATES),
20*4882a593Smuzhiyun SNMP_MIB_ITEM("XfrmInStateProtoError", LINUX_MIB_XFRMINSTATEPROTOERROR),
21*4882a593Smuzhiyun SNMP_MIB_ITEM("XfrmInStateModeError", LINUX_MIB_XFRMINSTATEMODEERROR),
22*4882a593Smuzhiyun SNMP_MIB_ITEM("XfrmInStateSeqError", LINUX_MIB_XFRMINSTATESEQERROR),
23*4882a593Smuzhiyun SNMP_MIB_ITEM("XfrmInStateExpired", LINUX_MIB_XFRMINSTATEEXPIRED),
24*4882a593Smuzhiyun SNMP_MIB_ITEM("XfrmInStateMismatch", LINUX_MIB_XFRMINSTATEMISMATCH),
25*4882a593Smuzhiyun SNMP_MIB_ITEM("XfrmInStateInvalid", LINUX_MIB_XFRMINSTATEINVALID),
26*4882a593Smuzhiyun SNMP_MIB_ITEM("XfrmInTmplMismatch", LINUX_MIB_XFRMINTMPLMISMATCH),
27*4882a593Smuzhiyun SNMP_MIB_ITEM("XfrmInNoPols", LINUX_MIB_XFRMINNOPOLS),
28*4882a593Smuzhiyun SNMP_MIB_ITEM("XfrmInPolBlock", LINUX_MIB_XFRMINPOLBLOCK),
29*4882a593Smuzhiyun SNMP_MIB_ITEM("XfrmInPolError", LINUX_MIB_XFRMINPOLERROR),
30*4882a593Smuzhiyun SNMP_MIB_ITEM("XfrmOutError", LINUX_MIB_XFRMOUTERROR),
31*4882a593Smuzhiyun SNMP_MIB_ITEM("XfrmOutBundleGenError", LINUX_MIB_XFRMOUTBUNDLEGENERROR),
32*4882a593Smuzhiyun SNMP_MIB_ITEM("XfrmOutBundleCheckError", LINUX_MIB_XFRMOUTBUNDLECHECKERROR),
33*4882a593Smuzhiyun SNMP_MIB_ITEM("XfrmOutNoStates", LINUX_MIB_XFRMOUTNOSTATES),
34*4882a593Smuzhiyun SNMP_MIB_ITEM("XfrmOutStateProtoError", LINUX_MIB_XFRMOUTSTATEPROTOERROR),
35*4882a593Smuzhiyun SNMP_MIB_ITEM("XfrmOutStateModeError", LINUX_MIB_XFRMOUTSTATEMODEERROR),
36*4882a593Smuzhiyun SNMP_MIB_ITEM("XfrmOutStateSeqError", LINUX_MIB_XFRMOUTSTATESEQERROR),
37*4882a593Smuzhiyun SNMP_MIB_ITEM("XfrmOutStateExpired", LINUX_MIB_XFRMOUTSTATEEXPIRED),
38*4882a593Smuzhiyun SNMP_MIB_ITEM("XfrmOutPolBlock", LINUX_MIB_XFRMOUTPOLBLOCK),
39*4882a593Smuzhiyun SNMP_MIB_ITEM("XfrmOutPolDead", LINUX_MIB_XFRMOUTPOLDEAD),
40*4882a593Smuzhiyun SNMP_MIB_ITEM("XfrmOutPolError", LINUX_MIB_XFRMOUTPOLERROR),
41*4882a593Smuzhiyun SNMP_MIB_ITEM("XfrmFwdHdrError", LINUX_MIB_XFRMFWDHDRERROR),
42*4882a593Smuzhiyun SNMP_MIB_ITEM("XfrmOutStateInvalid", LINUX_MIB_XFRMOUTSTATEINVALID),
43*4882a593Smuzhiyun SNMP_MIB_ITEM("XfrmAcquireError", LINUX_MIB_XFRMACQUIREERROR),
44*4882a593Smuzhiyun SNMP_MIB_SENTINEL
45*4882a593Smuzhiyun };
46*4882a593Smuzhiyun
xfrm_statistics_seq_show(struct seq_file * seq,void * v)47*4882a593Smuzhiyun static int xfrm_statistics_seq_show(struct seq_file *seq, void *v)
48*4882a593Smuzhiyun {
49*4882a593Smuzhiyun unsigned long buff[LINUX_MIB_XFRMMAX];
50*4882a593Smuzhiyun struct net *net = seq->private;
51*4882a593Smuzhiyun int i;
52*4882a593Smuzhiyun
53*4882a593Smuzhiyun memset(buff, 0, sizeof(unsigned long) * LINUX_MIB_XFRMMAX);
54*4882a593Smuzhiyun
55*4882a593Smuzhiyun snmp_get_cpu_field_batch(buff, xfrm_mib_list,
56*4882a593Smuzhiyun net->mib.xfrm_statistics);
57*4882a593Smuzhiyun for (i = 0; xfrm_mib_list[i].name; i++)
58*4882a593Smuzhiyun seq_printf(seq, "%-24s\t%lu\n", xfrm_mib_list[i].name,
59*4882a593Smuzhiyun buff[i]);
60*4882a593Smuzhiyun
61*4882a593Smuzhiyun return 0;
62*4882a593Smuzhiyun }
63*4882a593Smuzhiyun
xfrm_proc_init(struct net * net)64*4882a593Smuzhiyun int __net_init xfrm_proc_init(struct net *net)
65*4882a593Smuzhiyun {
66*4882a593Smuzhiyun if (!proc_create_net_single("xfrm_stat", 0444, net->proc_net,
67*4882a593Smuzhiyun xfrm_statistics_seq_show, NULL))
68*4882a593Smuzhiyun return -ENOMEM;
69*4882a593Smuzhiyun return 0;
70*4882a593Smuzhiyun }
71*4882a593Smuzhiyun
xfrm_proc_fini(struct net * net)72*4882a593Smuzhiyun void xfrm_proc_fini(struct net *net)
73*4882a593Smuzhiyun {
74*4882a593Smuzhiyun remove_proc_entry("xfrm_stat", net->proc_net);
75*4882a593Smuzhiyun }
76