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 | |
15 | static 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_SENTINEL |
45 | }; |
46 | |
47 | static int xfrm_statistics_seq_show(struct seq_file *seq, void *v) |
48 | { |
49 | unsigned long buff[LINUX_MIB_XFRMMAX]; |
50 | struct net *net = seq->private; |
51 | int i; |
52 | |
53 | memset(buff, 0, sizeof(unsigned long) * LINUX_MIB_XFRMMAX); |
54 | |
55 | snmp_get_cpu_field_batch(buff, xfrm_mib_list, |
56 | net->mib.xfrm_statistics); |
57 | for (i = 0; xfrm_mib_list[i].name; i++) |
58 | seq_printf(m: seq, fmt: "%-24s\t%lu\n" , xfrm_mib_list[i].name, |
59 | buff[i]); |
60 | |
61 | return 0; |
62 | } |
63 | |
64 | int __net_init xfrm_proc_init(struct net *net) |
65 | { |
66 | if (!proc_create_net_single(name: "xfrm_stat" , mode: 0444, parent: net->proc_net, |
67 | show: xfrm_statistics_seq_show, NULL)) |
68 | return -ENOMEM; |
69 | return 0; |
70 | } |
71 | |
72 | void xfrm_proc_fini(struct net *net) |
73 | { |
74 | remove_proc_entry("xfrm_stat" , net->proc_net); |
75 | } |
76 | |