1
2 #ifndef __NETNS_CONNTRACK_H
3 #define __NETNS_CONNTRACK_H
4
5 #include <linux/list.h>
6 #include <linux/list_nulls.h>
7 #include <linux/atomic.h>
8 #include <linux/workqueue.h>
9 #include <linux/netfilter/nf_conntrack_tcp.h>
10 #ifdef CONFIG_NF_CT_PROTO_DCCP
11 #include <linux/netfilter/nf_conntrack_dccp.h>
12 #endif
13 #ifdef CONFIG_NF_CT_PROTO_SCTP
14 #include <linux/netfilter/nf_conntrack_sctp.h>
15 #endif
16 #include <linux/seqlock.h>
17
18 struct ctl_table_header;
19 struct nf_conntrack_ecache;
20
21 struct nf_generic_net {
22 unsigned int timeout;
23 };
24
25 struct nf_tcp_net {
26 unsigned int timeouts[TCP_CONNTRACK_TIMEOUT_MAX];
27 int tcp_loose;
28 int tcp_be_liberal;
29 int tcp_max_retrans;
30 };
31
32 enum udp_conntrack {
33 UDP_CT_UNREPLIED,
34 UDP_CT_REPLIED,
35 UDP_CT_MAX
36 };
37
38 struct nf_udp_net {
39 unsigned int timeouts[UDP_CT_MAX];
40 };
41
42 struct nf_icmp_net {
43 unsigned int timeout;
44 };
45
46 #ifdef CONFIG_NF_CT_PROTO_DCCP
47 struct nf_dccp_net {
48 int dccp_loose;
49 unsigned int dccp_timeout[CT_DCCP_MAX + 1];
50 };
51 #endif
52
53 #ifdef CONFIG_NF_CT_PROTO_SCTP
54 struct nf_sctp_net {
55 unsigned int timeouts[SCTP_CONNTRACK_MAX];
56 };
57 #endif
58
59 #ifdef CONFIG_NF_CT_PROTO_GRE
60 enum gre_conntrack {
61 GRE_CT_UNREPLIED,
62 GRE_CT_REPLIED,
63 GRE_CT_MAX
64 };
65
66 struct nf_gre_net {
67 struct list_head keymap_list;
68 unsigned int timeouts[GRE_CT_MAX];
69 };
70 #endif
71
72 struct nf_ip_net {
73 struct nf_generic_net generic;
74 struct nf_tcp_net tcp;
75 struct nf_udp_net udp;
76 struct nf_icmp_net icmp;
77 struct nf_icmp_net icmpv6;
78 #ifdef CONFIG_NF_CT_PROTO_DCCP
79 struct nf_dccp_net dccp;
80 #endif
81 #ifdef CONFIG_NF_CT_PROTO_SCTP
82 struct nf_sctp_net sctp;
83 #endif
84 #ifdef CONFIG_NF_CT_PROTO_GRE
85 struct nf_gre_net gre;
86 #endif
87 };
88
89 struct ct_pcpu {
90 spinlock_t lock;
91 struct hlist_nulls_head unconfirmed;
92 struct hlist_nulls_head dying;
93 };
94
95 struct netns_ct {
96 atomic_t count;
97 unsigned int expect_count;
98 #ifdef CONFIG_NF_CONNTRACK_EVENTS
99 struct delayed_work ecache_dwork;
100 bool ecache_dwork_pending;
101 #endif
102 bool auto_assign_helper_warned;
103 #ifdef CONFIG_SYSCTL
104 struct ctl_table_header *sysctl_header;
105 #endif
106 unsigned int sysctl_log_invalid;
107 int sysctl_events;
108 int sysctl_acct;
109 int sysctl_auto_assign_helper;
110 int sysctl_tstamp;
111 int sysctl_checksum;
112
113 struct ct_pcpu __percpu *pcpu_lists;
114 struct ip_conntrack_stat __percpu *stat;
115 struct nf_ct_event_notifier __rcu *nf_conntrack_event_cb;
116 struct nf_exp_event_notifier __rcu *nf_expect_event_cb;
117 struct nf_ip_net nf_ct_proto;
118 #if defined(CONFIG_NF_CONNTRACK_LABELS)
119 unsigned int labels_used;
120 #endif
121 };
122 #endif