1 /* SPDX-License-Identifier: GPL-2.0 */
2 #ifndef __NETNS_CONNTRACK_H
3 #define __NETNS_CONNTRACK_H
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>
13 #ifdef CONFIG_NF_CT_PROTO_SCTP
14 #include <linux/netfilter/nf_conntrack_sctp.h>
16 #include <linux/seqlock.h>
18 struct ctl_table_header;
19 struct nf_conntrack_ecache;
23 struct ctl_table_header *ctl_table_header;
24 struct ctl_table *ctl_table;
29 struct nf_generic_net {
30 struct nf_proto_net pn;
35 struct nf_proto_net pn;
36 unsigned int timeouts[TCP_CONNTRACK_TIMEOUT_MAX];
37 unsigned int tcp_loose;
38 unsigned int tcp_be_liberal;
39 unsigned int tcp_max_retrans;
49 struct nf_proto_net pn;
50 unsigned int timeouts[UDP_CT_MAX];
54 struct nf_proto_net pn;
58 #ifdef CONFIG_NF_CT_PROTO_DCCP
60 struct nf_proto_net pn;
62 unsigned int dccp_timeout[CT_DCCP_MAX + 1];
66 #ifdef CONFIG_NF_CT_PROTO_SCTP
68 struct nf_proto_net pn;
69 unsigned int timeouts[SCTP_CONNTRACK_MAX];
74 struct nf_generic_net generic;
75 struct nf_tcp_net tcp;
76 struct nf_udp_net udp;
77 struct nf_icmp_net icmp;
78 struct nf_icmp_net icmpv6;
79 #ifdef CONFIG_NF_CT_PROTO_DCCP
80 struct nf_dccp_net dccp;
82 #ifdef CONFIG_NF_CT_PROTO_SCTP
83 struct nf_sctp_net sctp;
89 struct hlist_nulls_head unconfirmed;
90 struct hlist_nulls_head dying;
95 unsigned int expect_count;
96 #ifdef CONFIG_NF_CONNTRACK_EVENTS
97 struct delayed_work ecache_dwork;
98 bool ecache_dwork_pending;
101 struct ctl_table_header *sysctl_header;
102 struct ctl_table_header *acct_sysctl_header;
103 struct ctl_table_header *tstamp_sysctl_header;
104 struct ctl_table_header *event_sysctl_header;
105 struct ctl_table_header *helper_sysctl_header;
107 unsigned int sysctl_log_invalid; /* Log invalid packets */
110 int sysctl_auto_assign_helper;
111 bool auto_assign_helper_warned;
115 struct ct_pcpu __percpu *pcpu_lists;
116 struct ip_conntrack_stat __percpu *stat;
117 struct nf_ct_event_notifier __rcu *nf_conntrack_event_cb;
118 struct nf_exp_event_notifier __rcu *nf_expect_event_cb;
119 struct nf_ip_net nf_ct_proto;
120 #if defined(CONFIG_NF_CONNTRACK_LABELS)
121 unsigned int labels_used;