[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>
#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;
#ifdef CONFIG_NF_CONNTRACK_PROC_COMPAT
	struct ctl_table_header *ctl_compat_header;
	struct ctl_table        *ctl_compat_table;
#endif
#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;
};

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;
#if defined(CONFIG_SYSCTL) && defined(CONFIG_NF_CONNTRACK_PROC_COMPAT)
	struct ctl_table_header *ctl_table_header;
	struct ctl_table	*ctl_table;
#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
	char			*slabname;
	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;

	unsigned int		htable_size;
	seqcount_t		generation;
	struct kmem_cache	*nf_conntrack_cachep;
	struct hlist_nulls_head	*hash;
	struct hlist_head	*expect_hash;
	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;
	u8			label_words;
#endif
#ifdef CONFIG_NF_NAT_NEEDED
	struct hlist_head	*nat_bysource;
	unsigned int		nat_htable_size;
#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>
93bb0ceb	9	#include <linux/seqlock.h>
49ac8713	10
80250707	11	struct ctl_table_header;
6058fa6b AD	12	struct nf_conntrack_ecache;
6058fa6b AD	13
2c352f44 G	14	struct 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
15f585bd G	26	struct nf_generic_net {
	27	struct nf_proto_net pn;
	28	unsigned int timeout;
	29	};
	30
d2ba1fde G	31	struct 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
0ce490ad G	39	enum udp_conntrack {
	40	UDP_CT_UNREPLIED,
	41	UDP_CT_REPLIED,
	42	UDP_CT_MAX
	43	};
	44
	45	struct nf_udp_net {
	46	struct nf_proto_net pn;
	47	unsigned int timeouts[UDP_CT_MAX];
	48	};
	49
4b626b9c G	50	struct nf_icmp_net {
	51	struct nf_proto_net pn;
	52	unsigned int timeout;
	53	};
	54
524a53e5	55	struct nf_ip_net {
15f585bd	56	struct nf_generic_net generic;
d2ba1fde	57	struct nf_tcp_net tcp;
0ce490ad	58	struct nf_udp_net udp;
4b626b9c	59	struct nf_icmp_net icmp;
7080ba09	60	struct nf_icmp_net icmpv6;
524a53e5 G	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
b7779d06 JDB	67	struct ct_pcpu {
	68	spinlock_t lock;
	69	struct hlist_nulls_head unconfirmed;
	70	struct hlist_nulls_head dying;
b7779d06 JDB	71	};
b7779d06 JDB	72
dfdb8d79	73	struct netns_ct {
49ac8713	74	atomic_t count;
9b03f38d	75	unsigned int expect_count;
9500507c FW	76	#ifdef CONFIG_NF_CONNTRACK_EVENTS
	77	struct delayed_work ecache_dwork;
	78	bool ecache_dwork_pending;
	79	#endif
8cf4d6a2 JDB	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 */
8cf4d6a2 JDB	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
d696c7bd	96	unsigned int htable_size;
93bb0ceb	97	seqcount_t generation;
5b3501fa	98	struct kmem_cache *nf_conntrack_cachep;
ea781f19	99	struct hlist_nulls_head *hash;
9b03f38d	100	struct hlist_head *expect_hash;
b7779d06	101	struct ct_pcpu __percpu *pcpu_lists;
7d720c3e	102	struct ip_conntrack_stat __percpu *stat;
70e9942f PNA	103	struct nf_ct_event_notifier __rcu *nf_conntrack_event_cb;
70e9942f PNA	104	struct nf_exp_event_notifier __rcu *nf_expect_event_cb;
524a53e5	105	struct nf_ip_net nf_ct_proto;
c539f017 FW	106	#if defined(CONFIG_NF_CONNTRACK_LABELS)
	107	unsigned int labels_used;
	108	u8 label_words;
	109	#endif
c7232c99 PM	110	#ifdef CONFIG_NF_NAT_NEEDED
	111	struct hlist_head *nat_bysource;
	112	unsigned int nat_htable_size;
	113	#endif
dfdb8d79 AD	114	};
dfdb8d79 AD	115	#endif