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Alexey Dobriyandfdb8d72008-10-08 11:35:02 +02001#ifndef __NETNS_CONNTRACK_H
2#define __NETNS_CONNTRACK_H
3
Alexey Dobriyan63c9a262008-10-08 11:35:04 +02004#include <linux/list.h>
Eric Dumazetea781f12009-03-25 21:05:46 +01005#include <linux/list_nulls.h>
Arun Sharma600634972011-07-26 16:09:06 -07006#include <linux/atomic.h>
Gao fengd2ba1fd2012-05-28 21:04:12 +00007#include <linux/netfilter/nf_conntrack_tcp.h>
Alexey Dobriyan49ac8712008-10-08 11:35:03 +02008
Alexey Dobriyan80250702008-10-08 11:35:08 +02009struct ctl_table_header;
Alexey Dobriyan6058fa62008-10-08 11:35:07 +020010struct nf_conntrack_ecache;
11
Gao feng2c352f42012-05-28 21:04:09 +000012struct 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
Gao feng15f585b2012-05-28 21:04:11 +000024struct nf_generic_net {
25 struct nf_proto_net pn;
26 unsigned int timeout;
27};
28
Gao fengd2ba1fd2012-05-28 21:04:12 +000029struct 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
Gao feng0ce490a2012-05-28 21:04:13 +000037enum 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
Gao feng524a53e2012-05-28 21:04:10 +000048struct nf_ip_net {
Gao feng15f585b2012-05-28 21:04:11 +000049 struct nf_generic_net generic;
Gao fengd2ba1fd2012-05-28 21:04:12 +000050 struct nf_tcp_net tcp;
Gao feng0ce490a2012-05-28 21:04:13 +000051 struct nf_udp_net udp;
Gao feng524a53e2012-05-28 21:04:10 +000052#if defined(CONFIG_SYSCTL) && defined(CONFIG_NF_CONNTRACK_PROC_COMPAT)
53 struct ctl_table_header *ctl_table_header;
54 struct ctl_table *ctl_table;
55#endif
56};
57
Alexey Dobriyandfdb8d72008-10-08 11:35:02 +020058struct netns_ct {
Alexey Dobriyan49ac8712008-10-08 11:35:03 +020059 atomic_t count;
Alexey Dobriyan9b03f382008-10-08 11:35:03 +020060 unsigned int expect_count;
Patrick McHardyd696c7b2010-02-08 11:18:07 -080061 unsigned int htable_size;
Eric Dumazet5b3501f2010-02-08 11:16:56 -080062 struct kmem_cache *nf_conntrack_cachep;
Eric Dumazetea781f12009-03-25 21:05:46 +010063 struct hlist_nulls_head *hash;
Alexey Dobriyan9b03f382008-10-08 11:35:03 +020064 struct hlist_head *expect_hash;
Eric Dumazetea781f12009-03-25 21:05:46 +010065 struct hlist_nulls_head unconfirmed;
Pablo Neira Ayusodd7669a2009-06-13 12:30:52 +020066 struct hlist_nulls_head dying;
Tejun Heo7d720c32010-02-16 15:20:26 +000067 struct ip_conntrack_stat __percpu *stat;
Pablo Neira Ayuso70e99422011-11-22 00:16:51 +010068 struct nf_ct_event_notifier __rcu *nf_conntrack_event_cb;
69 struct nf_exp_event_notifier __rcu *nf_expect_event_cb;
Pablo Neira Ayusoa0891aa2009-06-13 12:26:29 +020070 int sysctl_events;
Pablo Neira Ayusodd7669a2009-06-13 12:30:52 +020071 unsigned int sysctl_events_retry_timeout;
Alexey Dobriyand716a4d2008-10-08 11:35:09 +020072 int sysctl_acct;
Pablo Neira Ayusoa992ca22011-01-19 16:00:07 +010073 int sysctl_tstamp;
Alexey Dobriyanc04d0552008-10-08 11:35:08 +020074 int sysctl_checksum;
Alexey Dobriyanc2a2c7e2008-10-08 11:35:08 +020075 unsigned int sysctl_log_invalid; /* Log invalid packets */
Eric Leblonda9006892012-04-18 11:20:41 +020076 int sysctl_auto_assign_helper;
77 bool auto_assign_helper_warned;
Gao feng524a53e2012-05-28 21:04:10 +000078 struct nf_ip_net nf_ct_proto;
Alexey Dobriyan80250702008-10-08 11:35:08 +020079#ifdef CONFIG_SYSCTL
80 struct ctl_table_header *sysctl_header;
Alexey Dobriyand716a4d2008-10-08 11:35:09 +020081 struct ctl_table_header *acct_sysctl_header;
Pablo Neira Ayusoa992ca22011-01-19 16:00:07 +010082 struct ctl_table_header *tstamp_sysctl_header;
Pablo Neira Ayusoa0891aa2009-06-13 12:26:29 +020083 struct ctl_table_header *event_sysctl_header;
Eric Leblonda9006892012-04-18 11:20:41 +020084 struct ctl_table_header *helper_sysctl_header;
Alexey Dobriyan80250702008-10-08 11:35:08 +020085#endif
Eric Dumazet5b3501f2010-02-08 11:16:56 -080086 char *slabname;
Alexey Dobriyandfdb8d72008-10-08 11:35:02 +020087};
88#endif