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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/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
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#ifdef CONFIG_NF_CT_PROTO_DCCP
10#include <linux/netfilter/nf_conntrack_dccp.h>
11#endif
12#ifdef CONFIG_NF_CT_PROTO_SCTP
13#include <linux/netfilter/nf_conntrack_sctp.h>
14#endif
15#include <linux/seqlock.h>
16
17struct ctl_table_header;
18struct nf_conntrack_ecache;
19
20struct nf_proto_net {
21#ifdef CONFIG_SYSCTL
22 struct ctl_table_header *ctl_table_header;
23 struct ctl_table *ctl_table;
24#endif
25 unsigned int users;
26};
27
28struct nf_generic_net {
29 struct nf_proto_net pn;
30 unsigned int timeout;
31};
32
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
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
52struct nf_icmp_net {
53 struct nf_proto_net pn;
54 unsigned int timeout;
55};
56
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
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
72#ifdef CONFIG_NF_CT_PROTO_UDPLITE
73enum udplite_conntrack {
74 UDPLITE_CT_UNREPLIED,
75 UDPLITE_CT_REPLIED,
76 UDPLITE_CT_MAX
77};
78
79struct nf_udplite_net {
80 struct nf_proto_net pn;
81 unsigned int timeouts[UDPLITE_CT_MAX];
82};
83#endif
84
85struct nf_ip_net {
86 struct nf_generic_net generic;
87 struct nf_tcp_net tcp;
88 struct nf_udp_net udp;
89 struct nf_icmp_net icmp;
90 struct nf_icmp_net icmpv6;
91#ifdef CONFIG_NF_CT_PROTO_DCCP
92 struct nf_dccp_net dccp;
93#endif
94#ifdef CONFIG_NF_CT_PROTO_SCTP
95 struct nf_sctp_net sctp;
96#endif
97#ifdef CONFIG_NF_CT_PROTO_UDPLITE
98 struct nf_udplite_net udplite;
99#endif
100};
101
102struct ct_pcpu {
103 spinlock_t lock;
104 struct hlist_nulls_head unconfirmed;
105 struct hlist_nulls_head dying;
106};
107
108struct netns_ct {
109 atomic_t count;
110 unsigned int expect_count;
111#ifdef CONFIG_NF_CONNTRACK_EVENTS
112 struct delayed_work ecache_dwork;
113 bool ecache_dwork_pending;
114#endif
115#ifdef CONFIG_SYSCTL
116 struct ctl_table_header *sysctl_header;
117 struct ctl_table_header *acct_sysctl_header;
118 struct ctl_table_header *tstamp_sysctl_header;
119 struct ctl_table_header *event_sysctl_header;
120 struct ctl_table_header *helper_sysctl_header;
121#endif
122 unsigned int sysctl_log_invalid; /* Log invalid packets */
123 int sysctl_events;
124 int sysctl_acct;
125 int sysctl_auto_assign_helper;
126 bool auto_assign_helper_warned;
127 int sysctl_tstamp;
128 int sysctl_checksum;
129
130 struct ct_pcpu __percpu *pcpu_lists;
131 struct ip_conntrack_stat __percpu *stat;
132 struct nf_ct_event_notifier __rcu *nf_conntrack_event_cb;
133 struct nf_exp_event_notifier __rcu *nf_expect_event_cb;
134 struct nf_ip_net nf_ct_proto;
135#if defined(CONFIG_NF_CONNTRACK_LABELS)
136 unsigned int labels_used;
137#endif
138};
139#endif