| /* |
| * xfrm_proc.c |
| * |
| * Copyright (C)2006-2007 USAGI/WIDE Project |
| * |
| * Authors: Masahide NAKAMURA <nakam@linux-ipv6.org> |
| * |
| * This program is free software; you can redistribute it and/or |
| * modify it under the terms of the GNU General Public License |
| * as published by the Free Software Foundation; either version |
| * 2 of the License, or (at your option) any later version. |
| */ |
| #include <linux/proc_fs.h> |
| #include <linux/seq_file.h> |
| #include <linux/export.h> |
| #include <net/snmp.h> |
| #include <net/xfrm.h> |
| |
| static const struct snmp_mib xfrm_mib_list[] = { |
| SNMP_MIB_ITEM("XfrmInError", LINUX_MIB_XFRMINERROR), |
| SNMP_MIB_ITEM("XfrmInBufferError", LINUX_MIB_XFRMINBUFFERERROR), |
| SNMP_MIB_ITEM("XfrmInHdrError", LINUX_MIB_XFRMINHDRERROR), |
| SNMP_MIB_ITEM("XfrmInNoStates", LINUX_MIB_XFRMINNOSTATES), |
| SNMP_MIB_ITEM("XfrmInStateProtoError", LINUX_MIB_XFRMINSTATEPROTOERROR), |
| SNMP_MIB_ITEM("XfrmInStateModeError", LINUX_MIB_XFRMINSTATEMODEERROR), |
| SNMP_MIB_ITEM("XfrmInStateSeqError", LINUX_MIB_XFRMINSTATESEQERROR), |
| SNMP_MIB_ITEM("XfrmInStateExpired", LINUX_MIB_XFRMINSTATEEXPIRED), |
| SNMP_MIB_ITEM("XfrmInStateMismatch", LINUX_MIB_XFRMINSTATEMISMATCH), |
| SNMP_MIB_ITEM("XfrmInStateInvalid", LINUX_MIB_XFRMINSTATEINVALID), |
| SNMP_MIB_ITEM("XfrmInTmplMismatch", LINUX_MIB_XFRMINTMPLMISMATCH), |
| SNMP_MIB_ITEM("XfrmInNoPols", LINUX_MIB_XFRMINNOPOLS), |
| SNMP_MIB_ITEM("XfrmInPolBlock", LINUX_MIB_XFRMINPOLBLOCK), |
| SNMP_MIB_ITEM("XfrmInPolError", LINUX_MIB_XFRMINPOLERROR), |
| SNMP_MIB_ITEM("XfrmOutError", LINUX_MIB_XFRMOUTERROR), |
| SNMP_MIB_ITEM("XfrmOutBundleGenError", LINUX_MIB_XFRMOUTBUNDLEGENERROR), |
| SNMP_MIB_ITEM("XfrmOutBundleCheckError", LINUX_MIB_XFRMOUTBUNDLECHECKERROR), |
| SNMP_MIB_ITEM("XfrmOutNoStates", LINUX_MIB_XFRMOUTNOSTATES), |
| SNMP_MIB_ITEM("XfrmOutStateProtoError", LINUX_MIB_XFRMOUTSTATEPROTOERROR), |
| SNMP_MIB_ITEM("XfrmOutStateModeError", LINUX_MIB_XFRMOUTSTATEMODEERROR), |
| SNMP_MIB_ITEM("XfrmOutStateSeqError", LINUX_MIB_XFRMOUTSTATESEQERROR), |
| SNMP_MIB_ITEM("XfrmOutStateExpired", LINUX_MIB_XFRMOUTSTATEEXPIRED), |
| SNMP_MIB_ITEM("XfrmOutPolBlock", LINUX_MIB_XFRMOUTPOLBLOCK), |
| SNMP_MIB_ITEM("XfrmOutPolDead", LINUX_MIB_XFRMOUTPOLDEAD), |
| SNMP_MIB_ITEM("XfrmOutPolError", LINUX_MIB_XFRMOUTPOLERROR), |
| SNMP_MIB_ITEM("XfrmFwdHdrError", LINUX_MIB_XFRMFWDHDRERROR), |
| SNMP_MIB_ITEM("XfrmOutStateInvalid", LINUX_MIB_XFRMOUTSTATEINVALID), |
| SNMP_MIB_ITEM("XfrmAcquireError", LINUX_MIB_XFRMACQUIREERROR), |
| SNMP_MIB_SENTINEL |
| }; |
| |
| static int xfrm_statistics_seq_show(struct seq_file *seq, void *v) |
| { |
| unsigned long buff[LINUX_MIB_XFRMMAX]; |
| struct net *net = seq->private; |
| int i; |
| |
| memset(buff, 0, sizeof(unsigned long) * LINUX_MIB_XFRMMAX); |
| |
| snmp_get_cpu_field_batch(buff, xfrm_mib_list, |
| net->mib.xfrm_statistics); |
| for (i = 0; xfrm_mib_list[i].name; i++) |
| seq_printf(seq, "%-24s\t%lu\n", xfrm_mib_list[i].name, |
| buff[i]); |
| |
| return 0; |
| } |
| |
| int __net_init xfrm_proc_init(struct net *net) |
| { |
| if (!proc_create_net_single("xfrm_stat", 0444, net->proc_net, |
| xfrm_statistics_seq_show, NULL)) |
| return -ENOMEM; |
| return 0; |
| } |
| |
| void xfrm_proc_fini(struct net *net) |
| { |
| remove_proc_entry("xfrm_stat", net->proc_net); |
| } |