Release 4.11 net/netfilter/nf_conntrack_acct.c
/* Accouting handling for netfilter. */
/*
* (C) 2008 Krzysztof Piotr Oledzki <ole@ans.pl>
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License version 2 as
* published by the Free Software Foundation.
*/
#include <linux/netfilter.h>
#include <linux/slab.h>
#include <linux/kernel.h>
#include <linux/moduleparam.h>
#include <linux/export.h>
#include <net/netfilter/nf_conntrack.h>
#include <net/netfilter/nf_conntrack_extend.h>
#include <net/netfilter/nf_conntrack_acct.h>
static bool nf_ct_acct __read_mostly;
module_param_named(acct, nf_ct_acct, bool, 0644);
MODULE_PARM_DESC(acct, "Enable connection tracking flow accounting.");
#ifdef CONFIG_SYSCTL
static struct ctl_table acct_sysctl_table[] = {
{
.procname = "nf_conntrack_acct",
.data = &init_net.ct.sysctl_acct,
.maxlen = sizeof(unsigned int),
.mode = 0644,
.proc_handler = proc_dointvec,
},
{}
};
#endif /* CONFIG_SYSCTL */
unsigned int
seq_print_acct(struct seq_file *s, const struct nf_conn *ct, int dir)
{
struct nf_conn_acct *acct;
struct nf_conn_counter *counter;
acct = nf_conn_acct_find(ct);
if (!acct)
return 0;
counter = acct->counter;
seq_printf(s, "packets=%llu bytes=%llu ",
(unsigned long long)atomic64_read(&counter[dir].packets),
(unsigned long long)atomic64_read(&counter[dir].bytes));
return 0;
}Contributors
| Person | Tokens | Prop | Commits | CommitProp |
| Krzysztof Piotr Oledzki | 68 | 73.12% | 1 | 25.00% |
| Holger Eitzenberger | 14 | 15.05% | 1 | 25.00% |
| Eric Dumazet | 8 | 8.60% | 1 | 25.00% |
| Joe Perches | 3 | 3.23% | 1 | 25.00% |
| Total | 93 | 100.00% | 4 | 100.00% |
;
EXPORT_SYMBOL_GPL(seq_print_acct);
static struct nf_ct_ext_type acct_extend __read_mostly = {
.len = sizeof(struct nf_conn_acct),
.align = __alignof__(struct nf_conn_acct),
.id = NF_CT_EXT_ACCT,
};
#ifdef CONFIG_SYSCTL
static int nf_conntrack_acct_init_sysctl(struct net *net)
{
struct ctl_table *table;
table = kmemdup(acct_sysctl_table, sizeof(acct_sysctl_table),
GFP_KERNEL);
if (!table)
goto out;
table[0].data = &net->ct.sysctl_acct;
/* Don't export sysctls to unprivileged users */
if (net->user_ns != &init_user_ns)
table[0].procname = NULL;
net->ct.acct_sysctl_header = register_net_sysctl(net, "net/netfilter",
table);
if (!net->ct.acct_sysctl_header) {
printk(KERN_ERR "nf_conntrack_acct: can't register to sysctl.\n");
goto out_register;
}
return 0;
out_register:
kfree(table);
out:
return -ENOMEM;
}
Contributors
| Person | Tokens | Prop | Commits | CommitProp |
| Alexey Dobriyan | 101 | 82.79% | 1 | 33.33% |
| Eric W. Biedermann | 21 | 17.21% | 2 | 66.67% |
| Total | 122 | 100.00% | 3 | 100.00% |
static void nf_conntrack_acct_fini_sysctl(struct net *net)
{
struct ctl_table *table;
table = net->ct.acct_sysctl_header->ctl_table_arg;
unregister_net_sysctl_table(net->ct.acct_sysctl_header);
kfree(table);
}
Contributors
| Person | Tokens | Prop | Commits | CommitProp |
| Alexey Dobriyan | 40 | 100.00% | 1 | 100.00% |
| Total | 40 | 100.00% | 1 | 100.00% |
#else
static int nf_conntrack_acct_init_sysctl(struct net *net)
{
return 0;
}
Contributors
| Person | Tokens | Prop | Commits | CommitProp |
| Alexey Dobriyan | 14 | 100.00% | 1 | 100.00% |
| Total | 14 | 100.00% | 1 | 100.00% |
static void nf_conntrack_acct_fini_sysctl(struct net *net)
{
}
Contributors
| Person | Tokens | Prop | Commits | CommitProp |
| Alexey Dobriyan | 10 | 100.00% | 1 | 100.00% |
| Total | 10 | 100.00% | 1 | 100.00% |
#endif
int nf_conntrack_acct_pernet_init(struct net *net)
{
net->ct.sysctl_acct = nf_ct_acct;
return nf_conntrack_acct_init_sysctl(net);
}
Contributors
| Person | Tokens | Prop | Commits | CommitProp |
| Alexey Dobriyan | 15 | 62.50% | 1 | 33.33% |
| Gao Feng | 5 | 20.83% | 1 | 33.33% |
| Krzysztof Piotr Oledzki | 4 | 16.67% | 1 | 33.33% |
| Total | 24 | 100.00% | 3 | 100.00% |
void nf_conntrack_acct_pernet_fini(struct net *net)
{
nf_conntrack_acct_fini_sysctl(net);
}
Contributors
| Person | Tokens | Prop | Commits | CommitProp |
| Gao Feng | 10 | 66.67% | 1 | 33.33% |
| Krzysztof Piotr Oledzki | 4 | 26.67% | 1 | 33.33% |
| Alexey Dobriyan | 1 | 6.67% | 1 | 33.33% |
| Total | 15 | 100.00% | 3 | 100.00% |
int nf_conntrack_acct_init(void)
{
int ret = nf_ct_extend_register(&acct_extend);
if (ret < 0)
pr_err("nf_conntrack_acct: Unable to register extension\n");
return ret;
}
Contributors
| Person | Tokens | Prop | Commits | CommitProp |
| Gao Feng | 14 | 46.67% | 1 | 33.33% |
| Krzysztof Piotr Oledzki | 11 | 36.67% | 1 | 33.33% |
| Alexey Dobriyan | 5 | 16.67% | 1 | 33.33% |
| Total | 30 | 100.00% | 3 | 100.00% |
void nf_conntrack_acct_fini(void)
{
nf_ct_extend_unregister(&acct_extend);
}
Contributors
| Person | Tokens | Prop | Commits | CommitProp |
| Krzysztof Piotr Oledzki | 12 | 92.31% | 1 | 50.00% |
| Gao Feng | 1 | 7.69% | 1 | 50.00% |
| Total | 13 | 100.00% | 2 | 100.00% |
Overall Contributors
| Person | Tokens | Prop | Commits | CommitProp |
| Krzysztof Piotr Oledzki | 222 | 43.87% | 1 | 9.09% |
| Alexey Dobriyan | 199 | 39.33% | 1 | 9.09% |
| Gao Feng | 30 | 5.93% | 1 | 9.09% |
| Eric W. Biedermann | 21 | 4.15% | 2 | 18.18% |
| Holger Eitzenberger | 16 | 3.16% | 1 | 9.09% |
| Eric Dumazet | 8 | 1.58% | 1 | 9.09% |
| Joe Perches | 3 | 0.59% | 1 | 9.09% |
| Tejun Heo | 3 | 0.59% | 1 | 9.09% |
| Paul Gortmaker | 3 | 0.59% | 1 | 9.09% |
| Rusty Russell | 1 | 0.20% | 1 | 9.09% |
| Total | 506 | 100.00% | 11 | 100.00% |
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