cregit-Linux how code gets into the kernel

Release 4.11 net/xfrm/xfrm_proc.c

Directory: net/xfrm
/*
 * 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; }

Contributors

PersonTokensPropCommitsCommitProp
Masahide Nakamura5555.00%133.33%
Jia He3636.00%133.33%
Alexey Dobriyan99.00%133.33%
Total100100.00%3100.00%


static int xfrm_statistics_seq_open(struct inode *inode, struct file *file) { return single_open_net(inode, file, xfrm_statistics_seq_show); }

Contributors

PersonTokensPropCommitsCommitProp
Masahide Nakamura2388.46%150.00%
Alexey Dobriyan311.54%150.00%
Total26100.00%2100.00%

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_create("xfrm_stat", S_IRUGO, net->proc_net, &xfrm_statistics_seq_fops)) return -ENOMEM; return 0; }

Contributors

PersonTokensPropCommitsCommitProp
Masahide Nakamura2057.14%133.33%
Alexey Dobriyan1028.57%133.33%
Gao Feng514.29%133.33%
Total35100.00%3100.00%


void xfrm_proc_fini(struct net *net) { remove_proc_entry("xfrm_stat", net->proc_net); }

Contributors

PersonTokensPropCommitsCommitProp
Alexey Dobriyan1263.16%133.33%
Gao Feng526.32%133.33%
Masahide Nakamura210.53%133.33%
Total19100.00%3100.00%


Overall Contributors

PersonTokensPropCommitsCommitProp
Masahide Nakamura32975.46%216.67%
Alexey Dobriyan368.26%216.67%
Jia He368.26%18.33%
Gao Feng102.29%216.67%
Jamal Hadi Salim71.61%18.33%
Li RongQing71.61%18.33%
Fan Du71.61%18.33%
Paul Gortmaker30.69%18.33%
Stephen Hemminger10.23%18.33%
Total436100.00%12100.00%
Directory: net/xfrm
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