[mirror_ubuntu-zesty-kernel.git] / include / net / netns / conntrack.h

#ifndef __NETNS_CONNTRACK_H
#define __NETNS_CONNTRACK_H

#include <linux/list.h>
#include <linux/list_nulls.h>
#include <linux/atomic.h>
#include <linux/workqueue.h>
#include <linux/netfilter/nf_conntrack_tcp.h>
#ifdef CONFIG_NF_CT_PROTO_DCCP
#include <linux/netfilter/nf_conntrack_dccp.h>
#endif
#ifdef CONFIG_NF_CT_PROTO_SCTP
#include <linux/netfilter/nf_conntrack_sctp.h>
#endif
#include <linux/seqlock.h>

struct ctl_table_header;
struct nf_conntrack_ecache;

struct nf_proto_net {
#ifdef CONFIG_SYSCTL
	struct ctl_table_header *ctl_table_header;
	struct ctl_table        *ctl_table;
#endif
	unsigned int		users;
};

struct nf_generic_net {
	struct nf_proto_net pn;
	unsigned int timeout;
};

struct nf_tcp_net {
	struct nf_proto_net pn;
	unsigned int timeouts[TCP_CONNTRACK_TIMEOUT_MAX];
	unsigned int tcp_loose;
	unsigned int tcp_be_liberal;
	unsigned int tcp_max_retrans;
};

enum udp_conntrack {
	UDP_CT_UNREPLIED,
	UDP_CT_REPLIED,
	UDP_CT_MAX
};

struct nf_udp_net {
	struct nf_proto_net pn;
	unsigned int timeouts[UDP_CT_MAX];
};

struct nf_icmp_net {
	struct nf_proto_net pn;
	unsigned int timeout;
};

#ifdef CONFIG_NF_CT_PROTO_DCCP
struct nf_dccp_net {
	struct nf_proto_net pn;
	int dccp_loose;
	unsigned int dccp_timeout[CT_DCCP_MAX + 1];
};
#endif

#ifdef CONFIG_NF_CT_PROTO_SCTP
struct nf_sctp_net {
	struct nf_proto_net pn;
	unsigned int timeouts[SCTP_CONNTRACK_MAX];
};
#endif

#ifdef CONFIG_NF_CT_PROTO_UDPLITE
enum udplite_conntrack {
	UDPLITE_CT_UNREPLIED,
	UDPLITE_CT_REPLIED,
	UDPLITE_CT_MAX
};

struct nf_udplite_net {
	struct nf_proto_net pn;
	unsigned int timeouts[UDPLITE_CT_MAX];
};
#endif

struct nf_ip_net {
	struct nf_generic_net   generic;
	struct nf_tcp_net	tcp;
	struct nf_udp_net	udp;
	struct nf_icmp_net	icmp;
	struct nf_icmp_net	icmpv6;
#ifdef CONFIG_NF_CT_PROTO_DCCP
	struct nf_dccp_net	dccp;
#endif
#ifdef CONFIG_NF_CT_PROTO_SCTP
	struct nf_sctp_net	sctp;
#endif
#ifdef CONFIG_NF_CT_PROTO_UDPLITE
	struct nf_udplite_net	udplite;
#endif
};

struct ct_pcpu {
	spinlock_t		lock;
	struct hlist_nulls_head unconfirmed;
	struct hlist_nulls_head dying;
};

struct netns_ct {
	atomic_t		count;
	unsigned int		expect_count;
#ifdef CONFIG_NF_CONNTRACK_EVENTS
	struct delayed_work ecache_dwork;
	bool ecache_dwork_pending;
#endif
#ifdef CONFIG_SYSCTL
	struct ctl_table_header	*sysctl_header;
	struct ctl_table_header	*acct_sysctl_header;
	struct ctl_table_header	*tstamp_sysctl_header;
	struct ctl_table_header	*event_sysctl_header;
	struct ctl_table_header	*helper_sysctl_header;
#endif
	unsigned int		sysctl_log_invalid; /* Log invalid packets */
	int			sysctl_events;
	int			sysctl_acct;
	int			sysctl_auto_assign_helper;
	bool			auto_assign_helper_warned;
	int			sysctl_tstamp;
	int			sysctl_checksum;

	struct ct_pcpu __percpu *pcpu_lists;
	struct ip_conntrack_stat __percpu *stat;
	struct nf_ct_event_notifier __rcu *nf_conntrack_event_cb;
	struct nf_exp_event_notifier __rcu *nf_expect_event_cb;
	struct nf_ip_net	nf_ct_proto;
#if defined(CONFIG_NF_CONNTRACK_LABELS)
	unsigned int		labels_used;
#endif
};
#endif
Commit	Line	Data
dfdb8d79 AD	1	#ifndef __NETNS_CONNTRACK_H
	2	#define __NETNS_CONNTRACK_H
	3
63c9a262	4	#include <linux/list.h>
ea781f19	5	#include <linux/list_nulls.h>
60063497	6	#include <linux/atomic.h>
9500507c	7	#include <linux/workqueue.h>
d2ba1fde	8	#include <linux/netfilter/nf_conntrack_tcp.h>
c51d3901 DC	9	#ifdef CONFIG_NF_CT_PROTO_DCCP
	10	#include <linux/netfilter/nf_conntrack_dccp.h>
	11	#endif
a85406af DC	12	#ifdef CONFIG_NF_CT_PROTO_SCTP
	13	#include <linux/netfilter/nf_conntrack_sctp.h>
	14	#endif
93bb0ceb	15	#include <linux/seqlock.h>
49ac8713	16
80250707	17	struct ctl_table_header;
6058fa6b AD	18	struct nf_conntrack_ecache;
6058fa6b AD	19
2c352f44 G	20	struct nf_proto_net {
	21	#ifdef CONFIG_SYSCTL
	22	struct ctl_table_header *ctl_table_header;
	23	struct ctl_table *ctl_table;
2c352f44 G	24	#endif
	25	unsigned int users;
	26	};
	27
15f585bd G	28	struct nf_generic_net {
	29	struct nf_proto_net pn;
	30	unsigned int timeout;
	31	};
	32
d2ba1fde G	33	struct 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
0ce490ad G	41	enum udp_conntrack {
	42	UDP_CT_UNREPLIED,
	43	UDP_CT_REPLIED,
	44	UDP_CT_MAX
	45	};
	46
	47	struct nf_udp_net {
	48	struct nf_proto_net pn;
	49	unsigned int timeouts[UDP_CT_MAX];
	50	};
	51
4b626b9c G	52	struct nf_icmp_net {
	53	struct nf_proto_net pn;
	54	unsigned int timeout;
	55	};
	56
c51d3901 DC	57	#ifdef CONFIG_NF_CT_PROTO_DCCP
	58	struct 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
a85406af DC	65	#ifdef CONFIG_NF_CT_PROTO_SCTP
	66	struct nf_sctp_net {
	67	struct nf_proto_net pn;
	68	unsigned int timeouts[SCTP_CONNTRACK_MAX];
	69	};
	70	#endif
	71
9b91c96c DC	72	#ifdef CONFIG_NF_CT_PROTO_UDPLITE
	73	enum udplite_conntrack {
	74	UDPLITE_CT_UNREPLIED,
	75	UDPLITE_CT_REPLIED,
	76	UDPLITE_CT_MAX
	77	};
	78
	79	struct nf_udplite_net {
	80	struct nf_proto_net pn;
	81	unsigned int timeouts[UDPLITE_CT_MAX];
	82	};
	83	#endif
	84
524a53e5	85	struct nf_ip_net {
15f585bd	86	struct nf_generic_net generic;
d2ba1fde	87	struct nf_tcp_net tcp;
0ce490ad	88	struct nf_udp_net udp;
4b626b9c	89	struct nf_icmp_net icmp;
7080ba09	90	struct nf_icmp_net icmpv6;
c51d3901 DC	91	#ifdef CONFIG_NF_CT_PROTO_DCCP
	92	struct nf_dccp_net dccp;
	93	#endif
a85406af DC	94	#ifdef CONFIG_NF_CT_PROTO_SCTP
	95	struct nf_sctp_net sctp;
	96	#endif
9b91c96c DC	97	#ifdef CONFIG_NF_CT_PROTO_UDPLITE
	98	struct nf_udplite_net udplite;
	99	#endif
524a53e5 G	100	};
524a53e5 G	101
b7779d06 JDB	102	struct ct_pcpu {
	103	spinlock_t lock;
	104	struct hlist_nulls_head unconfirmed;
	105	struct hlist_nulls_head dying;
b7779d06 JDB	106	};
b7779d06 JDB	107
dfdb8d79	108	struct netns_ct {
49ac8713	109	atomic_t count;
9b03f38d	110	unsigned int expect_count;
9500507c FW	111	#ifdef CONFIG_NF_CONNTRACK_EVENTS
	112	struct delayed_work ecache_dwork;
	113	bool ecache_dwork_pending;
	114	#endif
8cf4d6a2 JDB	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
8cf4d6a2	122	unsigned int sysctl_log_invalid; /* Log invalid packets */
8cf4d6a2 JDB	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
b7779d06	130	struct ct_pcpu __percpu *pcpu_lists;
7d720c3e	131	struct ip_conntrack_stat __percpu *stat;
70e9942f PNA	132	struct nf_ct_event_notifier __rcu *nf_conntrack_event_cb;
70e9942f PNA	133	struct nf_exp_event_notifier __rcu *nf_expect_event_cb;
524a53e5	134	struct nf_ip_net nf_ct_proto;
c539f017 FW	135	#if defined(CONFIG_NF_CONNTRACK_LABELS)
c539f017 FW	136	unsigned int labels_used;
c539f017	137	#endif
dfdb8d79 AD	138	};
dfdb8d79 AD	139	#endif