Loading...
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#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