mirror of
https://github.com/AuxXxilium/linux_dsm_epyc7002.git
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07613873f1
This is to use the generic interfaces snmp_get_cpu_field{,64}_batch to
aggregate the data by going through all the items of each cpu sequentially.
Signed-off-by: Jia He <hejianet@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
93 lines
3.4 KiB
C
93 lines
3.4 KiB
C
/*
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* xfrm_proc.c
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*
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* Copyright (C)2006-2007 USAGI/WIDE Project
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*
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* Authors: Masahide NAKAMURA <nakam@linux-ipv6.org>
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*
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* This program is free software; you can redistribute it and/or
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* modify it under the terms of the GNU General Public License
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* as published by the Free Software Foundation; either version
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* 2 of the License, or (at your option) any later version.
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*/
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#include <linux/proc_fs.h>
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#include <linux/seq_file.h>
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#include <linux/export.h>
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#include <net/snmp.h>
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#include <net/xfrm.h>
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static const struct snmp_mib xfrm_mib_list[] = {
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SNMP_MIB_ITEM("XfrmInError", LINUX_MIB_XFRMINERROR),
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SNMP_MIB_ITEM("XfrmInBufferError", LINUX_MIB_XFRMINBUFFERERROR),
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SNMP_MIB_ITEM("XfrmInHdrError", LINUX_MIB_XFRMINHDRERROR),
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SNMP_MIB_ITEM("XfrmInNoStates", LINUX_MIB_XFRMINNOSTATES),
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SNMP_MIB_ITEM("XfrmInStateProtoError", LINUX_MIB_XFRMINSTATEPROTOERROR),
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SNMP_MIB_ITEM("XfrmInStateModeError", LINUX_MIB_XFRMINSTATEMODEERROR),
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SNMP_MIB_ITEM("XfrmInStateSeqError", LINUX_MIB_XFRMINSTATESEQERROR),
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SNMP_MIB_ITEM("XfrmInStateExpired", LINUX_MIB_XFRMINSTATEEXPIRED),
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SNMP_MIB_ITEM("XfrmInStateMismatch", LINUX_MIB_XFRMINSTATEMISMATCH),
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SNMP_MIB_ITEM("XfrmInStateInvalid", LINUX_MIB_XFRMINSTATEINVALID),
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SNMP_MIB_ITEM("XfrmInTmplMismatch", LINUX_MIB_XFRMINTMPLMISMATCH),
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SNMP_MIB_ITEM("XfrmInNoPols", LINUX_MIB_XFRMINNOPOLS),
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SNMP_MIB_ITEM("XfrmInPolBlock", LINUX_MIB_XFRMINPOLBLOCK),
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SNMP_MIB_ITEM("XfrmInPolError", LINUX_MIB_XFRMINPOLERROR),
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SNMP_MIB_ITEM("XfrmOutError", LINUX_MIB_XFRMOUTERROR),
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SNMP_MIB_ITEM("XfrmOutBundleGenError", LINUX_MIB_XFRMOUTBUNDLEGENERROR),
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SNMP_MIB_ITEM("XfrmOutBundleCheckError", LINUX_MIB_XFRMOUTBUNDLECHECKERROR),
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SNMP_MIB_ITEM("XfrmOutNoStates", LINUX_MIB_XFRMOUTNOSTATES),
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SNMP_MIB_ITEM("XfrmOutStateProtoError", LINUX_MIB_XFRMOUTSTATEPROTOERROR),
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SNMP_MIB_ITEM("XfrmOutStateModeError", LINUX_MIB_XFRMOUTSTATEMODEERROR),
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SNMP_MIB_ITEM("XfrmOutStateSeqError", LINUX_MIB_XFRMOUTSTATESEQERROR),
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SNMP_MIB_ITEM("XfrmOutStateExpired", LINUX_MIB_XFRMOUTSTATEEXPIRED),
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SNMP_MIB_ITEM("XfrmOutPolBlock", LINUX_MIB_XFRMOUTPOLBLOCK),
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SNMP_MIB_ITEM("XfrmOutPolDead", LINUX_MIB_XFRMOUTPOLDEAD),
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SNMP_MIB_ITEM("XfrmOutPolError", LINUX_MIB_XFRMOUTPOLERROR),
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SNMP_MIB_ITEM("XfrmFwdHdrError", LINUX_MIB_XFRMFWDHDRERROR),
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SNMP_MIB_ITEM("XfrmOutStateInvalid", LINUX_MIB_XFRMOUTSTATEINVALID),
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SNMP_MIB_ITEM("XfrmAcquireError", LINUX_MIB_XFRMACQUIREERROR),
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SNMP_MIB_SENTINEL
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};
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static int xfrm_statistics_seq_show(struct seq_file *seq, void *v)
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{
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unsigned long buff[LINUX_MIB_XFRMMAX];
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struct net *net = seq->private;
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int i;
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memset(buff, 0, sizeof(unsigned long) * LINUX_MIB_XFRMMAX);
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snmp_get_cpu_field_batch(buff, xfrm_mib_list,
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net->mib.xfrm_statistics);
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for (i = 0; xfrm_mib_list[i].name; i++)
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seq_printf(seq, "%-24s\t%lu\n", xfrm_mib_list[i].name,
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buff[i]);
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return 0;
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}
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static int xfrm_statistics_seq_open(struct inode *inode, struct file *file)
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{
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return single_open_net(inode, file, xfrm_statistics_seq_show);
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}
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static const struct file_operations xfrm_statistics_seq_fops = {
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.owner = THIS_MODULE,
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.open = xfrm_statistics_seq_open,
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.read = seq_read,
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.llseek = seq_lseek,
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.release = single_release_net,
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};
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int __net_init xfrm_proc_init(struct net *net)
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{
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if (!proc_create("xfrm_stat", S_IRUGO, net->proc_net,
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&xfrm_statistics_seq_fops))
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return -ENOMEM;
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return 0;
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}
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void xfrm_proc_fini(struct net *net)
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{
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remove_proc_entry("xfrm_stat", net->proc_net);
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}
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