diff options
Diffstat (limited to 'net/xfrm/xfrm_proc.c')
| -rw-r--r-- | net/xfrm/xfrm_proc.c | 84 |
1 files changed, 84 insertions, 0 deletions
diff --git a/net/xfrm/xfrm_proc.c b/net/xfrm/xfrm_proc.c new file mode 100644 index 00000000..58d9ae00 --- /dev/null +++ b/net/xfrm/xfrm_proc.c @@ -0,0 +1,84 @@ +/* + * 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 <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_SENTINEL +}; + +static int xfrm_statistics_seq_show(struct seq_file *seq, void *v) +{ + struct net *net = seq->private; + int i; + for (i=0; xfrm_mib_list[i].name; i++) + seq_printf(seq, "%-24s\t%lu\n", xfrm_mib_list[i].name, + snmp_fold_field((void __percpu **) + net->mib.xfrm_statistics, + xfrm_mib_list[i].entry)); + return 0; +} + +static int xfrm_statistics_seq_open(struct inode *inode, struct file *file) +{ + return single_open_net(inode, file, xfrm_statistics_seq_show); +} + +static const struct file_operations xfrm_statistics_seq_fops = { + .owner = THIS_MODULE, + .open = xfrm_statistics_seq_open, + .read = seq_read, + .llseek = seq_lseek, + .release = single_release_net, +}; + +int __net_init xfrm_proc_init(struct net *net) +{ + if (!proc_net_fops_create(net, "xfrm_stat", S_IRUGO, + &xfrm_statistics_seq_fops)) + return -ENOMEM; + return 0; +} + +void xfrm_proc_fini(struct net *net) +{ + proc_net_remove(net, "xfrm_stat"); +} |