cachepc-linux

Fork of AMDESE/linux with modifications for CachePC side-channel attack
git clone https://git.sinitax.com/sinitax/cachepc-linux
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xfrm_proc.c (2908B)

      1// SPDX-License-Identifier: GPL-2.0-or-later
      2/*
      3 * xfrm_proc.c
      4 *
      5 * Copyright (C)2006-2007 USAGI/WIDE Project
      6 *
      7 * Authors:	Masahide NAKAMURA <nakam@linux-ipv6.org>
      8 */
      9#include <linux/proc_fs.h>
     10#include <linux/seq_file.h>
     11#include <linux/export.h>
     12#include <net/snmp.h>
     13#include <net/xfrm.h>
     14
     15static const struct snmp_mib xfrm_mib_list[] = {
     16	SNMP_MIB_ITEM("XfrmInError", LINUX_MIB_XFRMINERROR),
     17	SNMP_MIB_ITEM("XfrmInBufferError", LINUX_MIB_XFRMINBUFFERERROR),
     18	SNMP_MIB_ITEM("XfrmInHdrError", LINUX_MIB_XFRMINHDRERROR),
     19	SNMP_MIB_ITEM("XfrmInNoStates", LINUX_MIB_XFRMINNOSTATES),
     20	SNMP_MIB_ITEM("XfrmInStateProtoError", LINUX_MIB_XFRMINSTATEPROTOERROR),
     21	SNMP_MIB_ITEM("XfrmInStateModeError", LINUX_MIB_XFRMINSTATEMODEERROR),
     22	SNMP_MIB_ITEM("XfrmInStateSeqError", LINUX_MIB_XFRMINSTATESEQERROR),
     23	SNMP_MIB_ITEM("XfrmInStateExpired", LINUX_MIB_XFRMINSTATEEXPIRED),
     24	SNMP_MIB_ITEM("XfrmInStateMismatch", LINUX_MIB_XFRMINSTATEMISMATCH),
     25	SNMP_MIB_ITEM("XfrmInStateInvalid", LINUX_MIB_XFRMINSTATEINVALID),
     26	SNMP_MIB_ITEM("XfrmInTmplMismatch", LINUX_MIB_XFRMINTMPLMISMATCH),
     27	SNMP_MIB_ITEM("XfrmInNoPols", LINUX_MIB_XFRMINNOPOLS),
     28	SNMP_MIB_ITEM("XfrmInPolBlock", LINUX_MIB_XFRMINPOLBLOCK),
     29	SNMP_MIB_ITEM("XfrmInPolError", LINUX_MIB_XFRMINPOLERROR),
     30	SNMP_MIB_ITEM("XfrmOutError", LINUX_MIB_XFRMOUTERROR),
     31	SNMP_MIB_ITEM("XfrmOutBundleGenError", LINUX_MIB_XFRMOUTBUNDLEGENERROR),
     32	SNMP_MIB_ITEM("XfrmOutBundleCheckError", LINUX_MIB_XFRMOUTBUNDLECHECKERROR),
     33	SNMP_MIB_ITEM("XfrmOutNoStates", LINUX_MIB_XFRMOUTNOSTATES),
     34	SNMP_MIB_ITEM("XfrmOutStateProtoError", LINUX_MIB_XFRMOUTSTATEPROTOERROR),
     35	SNMP_MIB_ITEM("XfrmOutStateModeError", LINUX_MIB_XFRMOUTSTATEMODEERROR),
     36	SNMP_MIB_ITEM("XfrmOutStateSeqError", LINUX_MIB_XFRMOUTSTATESEQERROR),
     37	SNMP_MIB_ITEM("XfrmOutStateExpired", LINUX_MIB_XFRMOUTSTATEEXPIRED),
     38	SNMP_MIB_ITEM("XfrmOutPolBlock", LINUX_MIB_XFRMOUTPOLBLOCK),
     39	SNMP_MIB_ITEM("XfrmOutPolDead", LINUX_MIB_XFRMOUTPOLDEAD),
     40	SNMP_MIB_ITEM("XfrmOutPolError", LINUX_MIB_XFRMOUTPOLERROR),
     41	SNMP_MIB_ITEM("XfrmFwdHdrError", LINUX_MIB_XFRMFWDHDRERROR),
     42	SNMP_MIB_ITEM("XfrmOutStateInvalid", LINUX_MIB_XFRMOUTSTATEINVALID),
     43	SNMP_MIB_ITEM("XfrmAcquireError", LINUX_MIB_XFRMACQUIREERROR),
     44	SNMP_MIB_SENTINEL
     45};
     46
     47static int xfrm_statistics_seq_show(struct seq_file *seq, void *v)
     48{
     49	unsigned long buff[LINUX_MIB_XFRMMAX];
     50	struct net *net = seq->private;
     51	int i;
     52
     53	memset(buff, 0, sizeof(unsigned long) * LINUX_MIB_XFRMMAX);
     54
     55	snmp_get_cpu_field_batch(buff, xfrm_mib_list,
     56				 net->mib.xfrm_statistics);
     57	for (i = 0; xfrm_mib_list[i].name; i++)
     58		seq_printf(seq, "%-24s\t%lu\n", xfrm_mib_list[i].name,
     59						buff[i]);
     60
     61	return 0;
     62}
     63
     64int __net_init xfrm_proc_init(struct net *net)
     65{
     66	if (!proc_create_net_single("xfrm_stat", 0444, net->proc_net,
     67			 xfrm_statistics_seq_show, NULL))
     68		return -ENOMEM;
     69	return 0;
     70}
     71
     72void xfrm_proc_fini(struct net *net)
     73{
     74	remove_proc_entry("xfrm_stat", net->proc_net);
     75}