netfilter: add protocol independent NAT core
[deliverable/linux.git] / include / net / netns / conntrack.h
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1#ifndef __NETNS_CONNTRACK_H
2#define __NETNS_CONNTRACK_H
3
63c9a262 4#include <linux/list.h>
ea781f19 5#include <linux/list_nulls.h>
60063497 6#include <linux/atomic.h>
d2ba1fde 7#include <linux/netfilter/nf_conntrack_tcp.h>
49ac8713 8
80250707 9struct ctl_table_header;
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10struct nf_conntrack_ecache;
11
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12struct nf_proto_net {
13#ifdef CONFIG_SYSCTL
14 struct ctl_table_header *ctl_table_header;
15 struct ctl_table *ctl_table;
16#ifdef CONFIG_NF_CONNTRACK_PROC_COMPAT
17 struct ctl_table_header *ctl_compat_header;
18 struct ctl_table *ctl_compat_table;
19#endif
20#endif
21 unsigned int users;
22};
23
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24struct nf_generic_net {
25 struct nf_proto_net pn;
26 unsigned int timeout;
27};
28
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29struct nf_tcp_net {
30 struct nf_proto_net pn;
31 unsigned int timeouts[TCP_CONNTRACK_TIMEOUT_MAX];
32 unsigned int tcp_loose;
33 unsigned int tcp_be_liberal;
34 unsigned int tcp_max_retrans;
35};
36
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37enum udp_conntrack {
38 UDP_CT_UNREPLIED,
39 UDP_CT_REPLIED,
40 UDP_CT_MAX
41};
42
43struct nf_udp_net {
44 struct nf_proto_net pn;
45 unsigned int timeouts[UDP_CT_MAX];
46};
47
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48struct nf_icmp_net {
49 struct nf_proto_net pn;
50 unsigned int timeout;
51};
52
524a53e5 53struct nf_ip_net {
15f585bd 54 struct nf_generic_net generic;
d2ba1fde 55 struct nf_tcp_net tcp;
0ce490ad 56 struct nf_udp_net udp;
4b626b9c 57 struct nf_icmp_net icmp;
7080ba09 58 struct nf_icmp_net icmpv6;
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59#if defined(CONFIG_SYSCTL) && defined(CONFIG_NF_CONNTRACK_PROC_COMPAT)
60 struct ctl_table_header *ctl_table_header;
61 struct ctl_table *ctl_table;
62#endif
63};
64
dfdb8d79 65struct netns_ct {
49ac8713 66 atomic_t count;
9b03f38d 67 unsigned int expect_count;
d696c7bd 68 unsigned int htable_size;
5b3501fa 69 struct kmem_cache *nf_conntrack_cachep;
ea781f19 70 struct hlist_nulls_head *hash;
9b03f38d 71 struct hlist_head *expect_hash;
ea781f19 72 struct hlist_nulls_head unconfirmed;
dd7669a9 73 struct hlist_nulls_head dying;
7d720c3e 74 struct ip_conntrack_stat __percpu *stat;
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75 struct nf_ct_event_notifier __rcu *nf_conntrack_event_cb;
76 struct nf_exp_event_notifier __rcu *nf_expect_event_cb;
a0891aa6 77 int sysctl_events;
dd7669a9 78 unsigned int sysctl_events_retry_timeout;
d716a4df 79 int sysctl_acct;
a992ca2a 80 int sysctl_tstamp;
c04d0552 81 int sysctl_checksum;
c2a2c7e0 82 unsigned int sysctl_log_invalid; /* Log invalid packets */
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83 int sysctl_auto_assign_helper;
84 bool auto_assign_helper_warned;
524a53e5 85 struct nf_ip_net nf_ct_proto;
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86#ifdef CONFIG_NF_NAT_NEEDED
87 struct hlist_head *nat_bysource;
88 unsigned int nat_htable_size;
89#endif
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90#ifdef CONFIG_SYSCTL
91 struct ctl_table_header *sysctl_header;
d716a4df 92 struct ctl_table_header *acct_sysctl_header;
a992ca2a 93 struct ctl_table_header *tstamp_sysctl_header;
a0891aa6 94 struct ctl_table_header *event_sysctl_header;
a9006892 95 struct ctl_table_header *helper_sysctl_header;
6058fa6b 96#endif
5b3501fa 97 char *slabname;
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98};
99#endif
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