Linux Kernel  3.7.1
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conntrack.h
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1 #ifndef __NETNS_CONNTRACK_H
2 #define __NETNS_CONNTRACK_H
3 
4 #include <linux/list.h>
5 #include <linux/list_nulls.h>
6 #include <linux/atomic.h>
7 #include <linux/netfilter/nf_conntrack_tcp.h>
8 
9 struct ctl_table_header;
10 struct nf_conntrack_ecache;
11 
12 struct 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 
24 struct nf_generic_net {
25  struct nf_proto_net pn;
26  unsigned int timeout;
27 };
28 
29 struct 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 
37 enum udp_conntrack {
38  UDP_CT_UNREPLIED,
39  UDP_CT_REPLIED,
40  UDP_CT_MAX
41 };
42 
43 struct nf_udp_net {
44  struct nf_proto_net pn;
45  unsigned int timeouts[UDP_CT_MAX];
46 };
47 
48 struct nf_icmp_net {
49  struct nf_proto_net pn;
50  unsigned int timeout;
51 };
52 
53 struct nf_ip_net {
54  struct nf_generic_net generic;
55  struct nf_tcp_net tcp;
56  struct nf_udp_net udp;
57  struct nf_icmp_net icmp;
58  struct nf_icmp_net icmpv6;
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 
65 struct netns_ct {
66  atomic_t count;
67  unsigned int expect_count;
68  unsigned int htable_size;
69  struct kmem_cache *nf_conntrack_cachep;
70  struct hlist_nulls_head *hash;
71  struct hlist_head *expect_hash;
72  struct hlist_nulls_head unconfirmed;
73  struct hlist_nulls_head dying;
74  struct ip_conntrack_stat __percpu *stat;
75  struct nf_ct_event_notifier __rcu *nf_conntrack_event_cb;
76  struct nf_exp_event_notifier __rcu *nf_expect_event_cb;
77  int sysctl_events;
78  unsigned int sysctl_events_retry_timeout;
79  int sysctl_acct;
80  int sysctl_tstamp;
81  int sysctl_checksum;
82  unsigned int sysctl_log_invalid; /* Log invalid packets */
83  int sysctl_auto_assign_helper;
84  bool auto_assign_helper_warned;
85  struct nf_ip_net nf_ct_proto;
86 #ifdef CONFIG_NF_NAT_NEEDED
87  struct hlist_head *nat_bysource;
88  unsigned int nat_htable_size;
89 #endif
90 #ifdef CONFIG_SYSCTL
91  struct ctl_table_header *sysctl_header;
92  struct ctl_table_header *acct_sysctl_header;
93  struct ctl_table_header *tstamp_sysctl_header;
94  struct ctl_table_header *event_sysctl_header;
95  struct ctl_table_header *helper_sysctl_header;
96 #endif
97  char *slabname;
98 };
99 #endif
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