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558f82ef MN |
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> | |
bc3b2d7f | 15 | #include <linux/export.h> |
558f82ef MN |
16 | #include <net/snmp.h> |
17 | #include <net/xfrm.h> | |
18 | ||
5833929c | 19 | static const struct snmp_mib xfrm_mib_list[] = { |
558f82ef MN |
20 | SNMP_MIB_ITEM("XfrmInError", LINUX_MIB_XFRMINERROR), |
21 | SNMP_MIB_ITEM("XfrmInBufferError", LINUX_MIB_XFRMINBUFFERERROR), | |
22 | SNMP_MIB_ITEM("XfrmInHdrError", LINUX_MIB_XFRMINHDRERROR), | |
23 | SNMP_MIB_ITEM("XfrmInNoStates", LINUX_MIB_XFRMINNOSTATES), | |
24 | SNMP_MIB_ITEM("XfrmInStateProtoError", LINUX_MIB_XFRMINSTATEPROTOERROR), | |
25 | SNMP_MIB_ITEM("XfrmInStateModeError", LINUX_MIB_XFRMINSTATEMODEERROR), | |
9472c9ef | 26 | SNMP_MIB_ITEM("XfrmInStateSeqError", LINUX_MIB_XFRMINSTATESEQERROR), |
558f82ef MN |
27 | SNMP_MIB_ITEM("XfrmInStateExpired", LINUX_MIB_XFRMINSTATEEXPIRED), |
28 | SNMP_MIB_ITEM("XfrmInStateMismatch", LINUX_MIB_XFRMINSTATEMISMATCH), | |
29 | SNMP_MIB_ITEM("XfrmInStateInvalid", LINUX_MIB_XFRMINSTATEINVALID), | |
30 | SNMP_MIB_ITEM("XfrmInTmplMismatch", LINUX_MIB_XFRMINTMPLMISMATCH), | |
31 | SNMP_MIB_ITEM("XfrmInNoPols", LINUX_MIB_XFRMINNOPOLS), | |
32 | SNMP_MIB_ITEM("XfrmInPolBlock", LINUX_MIB_XFRMINPOLBLOCK), | |
33 | SNMP_MIB_ITEM("XfrmInPolError", LINUX_MIB_XFRMINPOLERROR), | |
34 | SNMP_MIB_ITEM("XfrmOutError", LINUX_MIB_XFRMOUTERROR), | |
35 | SNMP_MIB_ITEM("XfrmOutBundleGenError", LINUX_MIB_XFRMOUTBUNDLEGENERROR), | |
36 | SNMP_MIB_ITEM("XfrmOutBundleCheckError", LINUX_MIB_XFRMOUTBUNDLECHECKERROR), | |
37 | SNMP_MIB_ITEM("XfrmOutNoStates", LINUX_MIB_XFRMOUTNOSTATES), | |
38 | SNMP_MIB_ITEM("XfrmOutStateProtoError", LINUX_MIB_XFRMOUTSTATEPROTOERROR), | |
39 | SNMP_MIB_ITEM("XfrmOutStateModeError", LINUX_MIB_XFRMOUTSTATEMODEERROR), | |
9472c9ef | 40 | SNMP_MIB_ITEM("XfrmOutStateSeqError", LINUX_MIB_XFRMOUTSTATESEQERROR), |
558f82ef MN |
41 | SNMP_MIB_ITEM("XfrmOutStateExpired", LINUX_MIB_XFRMOUTSTATEEXPIRED), |
42 | SNMP_MIB_ITEM("XfrmOutPolBlock", LINUX_MIB_XFRMOUTPOLBLOCK), | |
43 | SNMP_MIB_ITEM("XfrmOutPolDead", LINUX_MIB_XFRMOUTPOLDEAD), | |
44 | SNMP_MIB_ITEM("XfrmOutPolError", LINUX_MIB_XFRMOUTPOLERROR), | |
72032fdb | 45 | SNMP_MIB_ITEM("XfrmFwdHdrError", LINUX_MIB_XFRMFWDHDRERROR), |
558f82ef MN |
46 | SNMP_MIB_SENTINEL |
47 | }; | |
48 | ||
558f82ef MN |
49 | static int xfrm_statistics_seq_show(struct seq_file *seq, void *v) |
50 | { | |
c68cd1a0 | 51 | struct net *net = seq->private; |
558f82ef MN |
52 | int i; |
53 | for (i=0; xfrm_mib_list[i].name; i++) | |
54 | seq_printf(seq, "%-24s\t%lu\n", xfrm_mib_list[i].name, | |
7d720c3e TH |
55 | snmp_fold_field((void __percpu **) |
56 | net->mib.xfrm_statistics, | |
91b208c7 | 57 | xfrm_mib_list[i].entry)); |
558f82ef MN |
58 | return 0; |
59 | } | |
60 | ||
61 | static int xfrm_statistics_seq_open(struct inode *inode, struct file *file) | |
62 | { | |
c68cd1a0 | 63 | return single_open_net(inode, file, xfrm_statistics_seq_show); |
558f82ef MN |
64 | } |
65 | ||
5ca1b998 | 66 | static const struct file_operations xfrm_statistics_seq_fops = { |
558f82ef MN |
67 | .owner = THIS_MODULE, |
68 | .open = xfrm_statistics_seq_open, | |
69 | .read = seq_read, | |
70 | .llseek = seq_lseek, | |
c68cd1a0 | 71 | .release = single_release_net, |
558f82ef MN |
72 | }; |
73 | ||
c68cd1a0 | 74 | int __net_init xfrm_proc_init(struct net *net) |
558f82ef | 75 | { |
c68cd1a0 | 76 | if (!proc_net_fops_create(net, "xfrm_stat", S_IRUGO, |
558f82ef | 77 | &xfrm_statistics_seq_fops)) |
c68cd1a0 AD |
78 | return -ENOMEM; |
79 | return 0; | |
80 | } | |
558f82ef | 81 | |
c68cd1a0 AD |
82 | void xfrm_proc_fini(struct net *net) |
83 | { | |
84 | proc_net_remove(net, "xfrm_stat"); | |
558f82ef | 85 | } |