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[mirror_ubuntu-artful-kernel.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>
9500507c 7#include <linux/workqueue.h>
d2ba1fde 8#include <linux/netfilter/nf_conntrack_tcp.h>
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9#ifdef CONFIG_NF_CT_PROTO_DCCP
10#include <linux/netfilter/nf_conntrack_dccp.h>
11#endif
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12#ifdef CONFIG_NF_CT_PROTO_SCTP
13#include <linux/netfilter/nf_conntrack_sctp.h>
14#endif
93bb0ceb 15#include <linux/seqlock.h>
49ac8713 16
80250707 17struct ctl_table_header;
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18struct nf_conntrack_ecache;
19
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20struct nf_proto_net {
21#ifdef CONFIG_SYSCTL
22 struct ctl_table_header *ctl_table_header;
23 struct ctl_table *ctl_table;
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24#endif
25 unsigned int users;
26};
27
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28struct nf_generic_net {
29 struct nf_proto_net pn;
30 unsigned int timeout;
31};
32
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33struct nf_tcp_net {
34 struct nf_proto_net pn;
35 unsigned int timeouts[TCP_CONNTRACK_TIMEOUT_MAX];
36 unsigned int tcp_loose;
37 unsigned int tcp_be_liberal;
38 unsigned int tcp_max_retrans;
39};
40
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41enum udp_conntrack {
42 UDP_CT_UNREPLIED,
43 UDP_CT_REPLIED,
44 UDP_CT_MAX
45};
46
47struct nf_udp_net {
48 struct nf_proto_net pn;
49 unsigned int timeouts[UDP_CT_MAX];
50};
51
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52struct nf_icmp_net {
53 struct nf_proto_net pn;
54 unsigned int timeout;
55};
56
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57#ifdef CONFIG_NF_CT_PROTO_DCCP
58struct nf_dccp_net {
59 struct nf_proto_net pn;
60 int dccp_loose;
61 unsigned int dccp_timeout[CT_DCCP_MAX + 1];
62};
63#endif
64
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65#ifdef CONFIG_NF_CT_PROTO_SCTP
66struct nf_sctp_net {
67 struct nf_proto_net pn;
68 unsigned int timeouts[SCTP_CONNTRACK_MAX];
69};
70#endif
71
524a53e5 72struct nf_ip_net {
15f585bd 73 struct nf_generic_net generic;
d2ba1fde 74 struct nf_tcp_net tcp;
0ce490ad 75 struct nf_udp_net udp;
4b626b9c 76 struct nf_icmp_net icmp;
7080ba09 77 struct nf_icmp_net icmpv6;
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78#ifdef CONFIG_NF_CT_PROTO_DCCP
79 struct nf_dccp_net dccp;
80#endif
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81#ifdef CONFIG_NF_CT_PROTO_SCTP
82 struct nf_sctp_net sctp;
83#endif
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84};
85
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86struct ct_pcpu {
87 spinlock_t lock;
88 struct hlist_nulls_head unconfirmed;
89 struct hlist_nulls_head dying;
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90};
91
dfdb8d79 92struct netns_ct {
49ac8713 93 atomic_t count;
9b03f38d 94 unsigned int expect_count;
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95#ifdef CONFIG_NF_CONNTRACK_EVENTS
96 struct delayed_work ecache_dwork;
97 bool ecache_dwork_pending;
98#endif
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99#ifdef CONFIG_SYSCTL
100 struct ctl_table_header *sysctl_header;
101 struct ctl_table_header *acct_sysctl_header;
102 struct ctl_table_header *tstamp_sysctl_header;
103 struct ctl_table_header *event_sysctl_header;
104 struct ctl_table_header *helper_sysctl_header;
105#endif
8cf4d6a2 106 unsigned int sysctl_log_invalid; /* Log invalid packets */
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107 int sysctl_events;
108 int sysctl_acct;
109 int sysctl_auto_assign_helper;
110 bool auto_assign_helper_warned;
111 int sysctl_tstamp;
112 int sysctl_checksum;
113
b7779d06 114 struct ct_pcpu __percpu *pcpu_lists;
7d720c3e 115 struct ip_conntrack_stat __percpu *stat;
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116 struct nf_ct_event_notifier __rcu *nf_conntrack_event_cb;
117 struct nf_exp_event_notifier __rcu *nf_expect_event_cb;
524a53e5 118 struct nf_ip_net nf_ct_proto;
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119#if defined(CONFIG_NF_CONNTRACK_LABELS)
120 unsigned int labels_used;
c539f017 121#endif
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122};
123#endif