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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#include <linux/seqlock.h>
9
10struct ctl_table_header;
11struct nf_conntrack_ecache;
12
13struct nf_proto_net {
14#ifdef CONFIG_SYSCTL
15 struct ctl_table_header *ctl_table_header;
16 struct ctl_table *ctl_table;
17#ifdef CONFIG_NF_CONNTRACK_PROC_COMPAT
18 struct ctl_table_header *ctl_compat_header;
19 struct ctl_table *ctl_compat_table;
20#endif
21#endif
22 unsigned int users;
23};
24
25struct nf_generic_net {
26 struct nf_proto_net pn;
27 unsigned int timeout;
28};
29
30struct nf_tcp_net {
31 struct nf_proto_net pn;
32 unsigned int timeouts[TCP_CONNTRACK_TIMEOUT_MAX];
33 unsigned int tcp_loose;
34 unsigned int tcp_be_liberal;
35 unsigned int tcp_max_retrans;
36};
37
38enum udp_conntrack {
39 UDP_CT_UNREPLIED,
40 UDP_CT_REPLIED,
41 UDP_CT_MAX
42};
43
44struct nf_udp_net {
45 struct nf_proto_net pn;
46 unsigned int timeouts[UDP_CT_MAX];
47};
48
49struct nf_icmp_net {
50 struct nf_proto_net pn;
51 unsigned int timeout;
52};
53
54struct nf_ip_net {
55 struct nf_generic_net generic;
56 struct nf_tcp_net tcp;
57 struct nf_udp_net udp;
58 struct nf_icmp_net icmp;
59 struct nf_icmp_net icmpv6;
60#if defined(CONFIG_SYSCTL) && defined(CONFIG_NF_CONNTRACK_PROC_COMPAT)
61 struct ctl_table_header *ctl_table_header;
62 struct ctl_table *ctl_table;
63#endif
64};
65
66struct ct_pcpu {
67 spinlock_t lock;
68 struct hlist_nulls_head unconfirmed;
69 struct hlist_nulls_head dying;
70 struct hlist_nulls_head tmpl;
71};
72
73struct netns_ct {
74 atomic_t count;
75 unsigned int expect_count;
76#ifdef CONFIG_SYSCTL
77 struct ctl_table_header *sysctl_header;
78 struct ctl_table_header *acct_sysctl_header;
79 struct ctl_table_header *tstamp_sysctl_header;
80 struct ctl_table_header *event_sysctl_header;
81 struct ctl_table_header *helper_sysctl_header;
82#endif
83 char *slabname;
84 unsigned int sysctl_log_invalid; /* Log invalid packets */
85 unsigned int sysctl_events_retry_timeout;
86 int sysctl_events;
87 int sysctl_acct;
88 int sysctl_auto_assign_helper;
89 bool auto_assign_helper_warned;
90 int sysctl_tstamp;
91 int sysctl_checksum;
92
93 unsigned int htable_size;
94 seqcount_t generation;
95 struct kmem_cache *nf_conntrack_cachep;
96 struct hlist_nulls_head *hash;
97 struct hlist_head *expect_hash;
98 struct ct_pcpu __percpu *pcpu_lists;
99 struct ip_conntrack_stat __percpu *stat;
100 struct nf_ct_event_notifier __rcu *nf_conntrack_event_cb;
101 struct nf_exp_event_notifier __rcu *nf_expect_event_cb;
102 struct nf_ip_net nf_ct_proto;
103#if defined(CONFIG_NF_CONNTRACK_LABELS)
104 unsigned int labels_used;
105 u8 label_words;
106#endif
107#ifdef CONFIG_NF_NAT_NEEDED
108 struct hlist_head *nat_bysource;
109 unsigned int nat_htable_size;
110#endif
111};
112#endif
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/workqueue.h>
8#include <linux/netfilter/nf_conntrack_tcp.h>
9#include <linux/seqlock.h>
10
11struct ctl_table_header;
12struct nf_conntrack_ecache;
13
14struct nf_proto_net {
15#ifdef CONFIG_SYSCTL
16 struct ctl_table_header *ctl_table_header;
17 struct ctl_table *ctl_table;
18#ifdef CONFIG_NF_CONNTRACK_PROC_COMPAT
19 struct ctl_table_header *ctl_compat_header;
20 struct ctl_table *ctl_compat_table;
21#endif
22#endif
23 unsigned int users;
24};
25
26struct nf_generic_net {
27 struct nf_proto_net pn;
28 unsigned int timeout;
29};
30
31struct nf_tcp_net {
32 struct nf_proto_net pn;
33 unsigned int timeouts[TCP_CONNTRACK_TIMEOUT_MAX];
34 unsigned int tcp_loose;
35 unsigned int tcp_be_liberal;
36 unsigned int tcp_max_retrans;
37};
38
39enum udp_conntrack {
40 UDP_CT_UNREPLIED,
41 UDP_CT_REPLIED,
42 UDP_CT_MAX
43};
44
45struct nf_udp_net {
46 struct nf_proto_net pn;
47 unsigned int timeouts[UDP_CT_MAX];
48};
49
50struct nf_icmp_net {
51 struct nf_proto_net pn;
52 unsigned int timeout;
53};
54
55struct nf_ip_net {
56 struct nf_generic_net generic;
57 struct nf_tcp_net tcp;
58 struct nf_udp_net udp;
59 struct nf_icmp_net icmp;
60 struct nf_icmp_net icmpv6;
61#if defined(CONFIG_SYSCTL) && defined(CONFIG_NF_CONNTRACK_PROC_COMPAT)
62 struct ctl_table_header *ctl_table_header;
63 struct ctl_table *ctl_table;
64#endif
65};
66
67struct ct_pcpu {
68 spinlock_t lock;
69 struct hlist_nulls_head unconfirmed;
70 struct hlist_nulls_head dying;
71};
72
73struct netns_ct {
74 atomic_t count;
75 unsigned int expect_count;
76#ifdef CONFIG_NF_CONNTRACK_EVENTS
77 struct delayed_work ecache_dwork;
78 bool ecache_dwork_pending;
79#endif
80#ifdef CONFIG_SYSCTL
81 struct ctl_table_header *sysctl_header;
82 struct ctl_table_header *acct_sysctl_header;
83 struct ctl_table_header *tstamp_sysctl_header;
84 struct ctl_table_header *event_sysctl_header;
85 struct ctl_table_header *helper_sysctl_header;
86#endif
87 char *slabname;
88 unsigned int sysctl_log_invalid; /* Log invalid packets */
89 int sysctl_events;
90 int sysctl_acct;
91 int sysctl_auto_assign_helper;
92 bool auto_assign_helper_warned;
93 int sysctl_tstamp;
94 int sysctl_checksum;
95
96 unsigned int htable_size;
97 seqcount_t generation;
98 struct kmem_cache *nf_conntrack_cachep;
99 struct hlist_nulls_head *hash;
100 struct hlist_head *expect_hash;
101 struct ct_pcpu __percpu *pcpu_lists;
102 struct ip_conntrack_stat __percpu *stat;
103 struct nf_ct_event_notifier __rcu *nf_conntrack_event_cb;
104 struct nf_exp_event_notifier __rcu *nf_expect_event_cb;
105 struct nf_ip_net nf_ct_proto;
106#if defined(CONFIG_NF_CONNTRACK_LABELS)
107 unsigned int labels_used;
108 u8 label_words;
109#endif
110#ifdef CONFIG_NF_NAT_NEEDED
111 struct hlist_head *nat_bysource;
112 unsigned int nat_htable_size;
113#endif
114};
115#endif