| Andrew Scull | b4b6d4a | 2019-01-02 15:54:55 +0000 | [diff] [blame] | 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 <linux/export.h> |
| 16 | #include <net/snmp.h> |
| 17 | #include <net/xfrm.h> |
| 18 | |
| 19 | static const struct snmp_mib xfrm_mib_list[] = { |
| 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), |
| 26 | SNMP_MIB_ITEM("XfrmInStateSeqError", LINUX_MIB_XFRMINSTATESEQERROR), |
| 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), |
| 40 | SNMP_MIB_ITEM("XfrmOutStateSeqError", LINUX_MIB_XFRMOUTSTATESEQERROR), |
| 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), |
| 45 | SNMP_MIB_ITEM("XfrmFwdHdrError", LINUX_MIB_XFRMFWDHDRERROR), |
| 46 | SNMP_MIB_ITEM("XfrmOutStateInvalid", LINUX_MIB_XFRMOUTSTATEINVALID), |
| 47 | SNMP_MIB_ITEM("XfrmAcquireError", LINUX_MIB_XFRMACQUIREERROR), |
| 48 | SNMP_MIB_SENTINEL |
| 49 | }; |
| 50 | |
| 51 | static int xfrm_statistics_seq_show(struct seq_file *seq, void *v) |
| 52 | { |
| 53 | unsigned long buff[LINUX_MIB_XFRMMAX]; |
| 54 | struct net *net = seq->private; |
| 55 | int i; |
| 56 | |
| 57 | memset(buff, 0, sizeof(unsigned long) * LINUX_MIB_XFRMMAX); |
| 58 | |
| 59 | snmp_get_cpu_field_batch(buff, xfrm_mib_list, |
| 60 | net->mib.xfrm_statistics); |
| 61 | for (i = 0; xfrm_mib_list[i].name; i++) |
| 62 | seq_printf(seq, "%-24s\t%lu\n", xfrm_mib_list[i].name, |
| 63 | buff[i]); |
| 64 | |
| 65 | return 0; |
| 66 | } |
| 67 | |
| 68 | int __net_init xfrm_proc_init(struct net *net) |
| 69 | { |
| 70 | if (!proc_create_net_single("xfrm_stat", 0444, net->proc_net, |
| 71 | xfrm_statistics_seq_show, NULL)) |
| 72 | return -ENOMEM; |
| 73 | return 0; |
| 74 | } |
| 75 | |
| 76 | void xfrm_proc_fini(struct net *net) |
| 77 | { |
| 78 | remove_proc_entry("xfrm_stat", net->proc_net); |
| 79 | } |