Release 4.18 net/ipv6/netfilter/ip6table_raw.c
/*
* IPv6 raw table, a port of the IPv4 raw table to IPv6
*
* Copyright (C) 2003 Jozsef Kadlecsik <kadlec@blackhole.kfki.hu>
*/
#define pr_fmt(fmt) KBUILD_MODNAME ": " fmt
#include <linux/module.h>
#include <linux/netfilter_ipv6/ip6_tables.h>
#include <linux/slab.h>
#define RAW_VALID_HOOKS ((1 << NF_INET_PRE_ROUTING) | (1 << NF_INET_LOCAL_OUT))
static int __net_init ip6table_raw_table_init(struct net *net);
static bool raw_before_defrag __read_mostly;
MODULE_PARM_DESC(raw_before_defrag, "Enable raw table before defrag");
module_param(raw_before_defrag, bool, 0000);
static const struct xt_table packet_raw = {
.name = "raw",
.valid_hooks = RAW_VALID_HOOKS,
.me = THIS_MODULE,
.af = NFPROTO_IPV6,
.priority = NF_IP6_PRI_RAW,
.table_init = ip6table_raw_table_init,
};
static const struct xt_table packet_raw_before_defrag = {
.name = "raw",
.valid_hooks = RAW_VALID_HOOKS,
.me = THIS_MODULE,
.af = NFPROTO_IPV6,
.priority = NF_IP6_PRI_RAW_BEFORE_DEFRAG,
.table_init = ip6table_raw_table_init,
};
/* The work comes in here from netfilter.c. */
static unsigned int
ip6table_raw_hook(void *priv, struct sk_buff *skb,
const struct nf_hook_state *state)
{
return ip6t_do_table(skb, state, state->net->ipv6.ip6table_raw);
}
Contributors
| Person | Tokens | Prop | Commits | CommitProp |
| Harald Welte | 17 | 44.74% | 1 | 10.00% |
| Alexey Dobriyan | 10 | 26.32% | 2 | 20.00% |
| Eric W. Biedermann | 4 | 10.53% | 2 | 20.00% |
| David S. Miller | 3 | 7.89% | 1 | 10.00% |
| Jan Engelhardt | 2 | 5.26% | 2 | 20.00% |
| Patrick McHardy | 1 | 2.63% | 1 | 10.00% |
| Herbert Xu | 1 | 2.63% | 1 | 10.00% |
| Total | 38 | 100.00% | 10 | 100.00% |
static struct nf_hook_ops *rawtable_ops __read_mostly;
static int __net_init ip6table_raw_table_init(struct net *net)
{
struct ip6t_replace *repl;
const struct xt_table *table = &packet_raw;
int ret;
if (raw_before_defrag)
table = &packet_raw_before_defrag;
if (net->ipv6.ip6table_raw)
return 0;
repl = ip6t_alloc_initial_table(table);
if (repl == NULL)
return -ENOMEM;
ret = ip6t_register_table(net, table, repl, rawtable_ops,
&net->ipv6.ip6table_raw);
kfree(repl);
return ret;
}
Contributors
| Person | Tokens | Prop | Commits | CommitProp |
| Florian Westphal | 26 | 27.66% | 2 | 25.00% |
| Jan Engelhardt | 26 | 27.66% | 1 | 12.50% |
| Arnd Bergmann | 20 | 21.28% | 1 | 12.50% |
| Harald Welte | 13 | 13.83% | 2 | 25.00% |
| Alexey Dobriyan | 9 | 9.57% | 2 | 25.00% |
| Total | 94 | 100.00% | 8 | 100.00% |
static void __net_exit ip6table_raw_net_exit(struct net *net)
{
if (!net->ipv6.ip6table_raw)
return;
ip6t_unregister_table(net, net->ipv6.ip6table_raw, rawtable_ops);
net->ipv6.ip6table_raw = NULL;
}
Contributors
| Person | Tokens | Prop | Commits | CommitProp |
| Alexey Dobriyan | 23 | 53.49% | 2 | 50.00% |
| Florian Westphal | 20 | 46.51% | 2 | 50.00% |
| Total | 43 | 100.00% | 4 | 100.00% |
static struct pernet_operations ip6table_raw_net_ops = {
.exit = ip6table_raw_net_exit,
};
static int __init ip6table_raw_init(void)
{
int ret;
const struct xt_table *table = &packet_raw;
if (raw_before_defrag) {
table = &packet_raw_before_defrag;
pr_info("Enabling raw table before defrag\n");
}
/* Register hooks */
rawtable_ops = xt_hook_ops_alloc(table, ip6table_raw_hook);
if (IS_ERR(rawtable_ops))
return PTR_ERR(rawtable_ops);
ret = register_pernet_subsys(&ip6table_raw_net_ops);
if (ret < 0) {
kfree(rawtable_ops);
return ret;
}
ret = ip6table_raw_table_init(&init_net);
if (ret) {
unregister_pernet_subsys(&ip6table_raw_net_ops);
kfree(rawtable_ops);
}
return ret;
}
Contributors
| Person | Tokens | Prop | Commits | CommitProp |
| Florian Westphal | 41 | 36.61% | 1 | 14.29% |
| Harald Welte | 18 | 16.07% | 1 | 14.29% |
| Alexey Dobriyan | 14 | 12.50% | 1 | 14.29% |
| Subash Abhinov Kasiviswanathan | 13 | 11.61% | 1 | 14.29% |
| Arnd Bergmann | 13 | 11.61% | 1 | 14.29% |
| Jan Engelhardt | 12 | 10.71% | 1 | 14.29% |
| Patrick McHardy | 1 | 0.89% | 1 | 14.29% |
| Total | 112 | 100.00% | 7 | 100.00% |
static void __exit ip6table_raw_fini(void)
{
unregister_pernet_subsys(&ip6table_raw_net_ops);
kfree(rawtable_ops);
}
Contributors
| Person | Tokens | Prop | Commits | CommitProp |
| Harald Welte | 14 | 70.00% | 1 | 25.00% |
| Florian Westphal | 4 | 20.00% | 1 | 25.00% |
| Jan Engelhardt | 1 | 5.00% | 1 | 25.00% |
| Andrew Morton | 1 | 5.00% | 1 | 25.00% |
| Total | 20 | 100.00% | 4 | 100.00% |
module_init(ip6table_raw_init);
module_exit(ip6table_raw_fini);
MODULE_LICENSE("GPL");
Overall Contributors
| Person | Tokens | Prop | Commits | CommitProp |
| Harald Welte | 115 | 24.42% | 3 | 11.11% |
| Florian Westphal | 107 | 22.72% | 2 | 7.41% |
| Arnd Bergmann | 72 | 15.29% | 1 | 3.70% |
| Alexey Dobriyan | 69 | 14.65% | 4 | 14.81% |
| Jan Engelhardt | 48 | 10.19% | 5 | 18.52% |
| Subash Abhinov Kasiviswanathan | 41 | 8.70% | 1 | 3.70% |
| Eric W. Biedermann | 4 | 0.85% | 2 | 7.41% |
| Patrick McHardy | 4 | 0.85% | 4 | 14.81% |
| David S. Miller | 3 | 0.64% | 1 | 3.70% |
| Andrew Morton | 3 | 0.64% | 1 | 3.70% |
| Tejun Heo | 3 | 0.64% | 1 | 3.70% |
| Herbert Xu | 1 | 0.21% | 1 | 3.70% |
| Jozsef Kadlecsik | 1 | 0.21% | 1 | 3.70% |
| Total | 471 | 100.00% | 27 | 100.00% |
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