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v6.13.7
  1/* SPDX-License-Identifier: GPL-2.0 */
  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
 18struct ctl_table_header;
 19struct nf_conntrack_ecache;
 20
 
 
 
 
 
 
 
 
 21struct nf_generic_net {
 
 22	unsigned int timeout;
 23};
 24
 25struct nf_tcp_net {
 
 26	unsigned int timeouts[TCP_CONNTRACK_TIMEOUT_MAX];
 27	u8 tcp_loose;
 28	u8 tcp_be_liberal;
 29	u8 tcp_max_retrans;
 30	u8 tcp_ignore_invalid_rst;
 31#if IS_ENABLED(CONFIG_NF_FLOW_TABLE)
 32	unsigned int offload_timeout;
 33#endif
 34};
 35
 36enum udp_conntrack {
 37	UDP_CT_UNREPLIED,
 38	UDP_CT_REPLIED,
 39	UDP_CT_MAX
 40};
 41
 42struct nf_udp_net {
 
 43	unsigned int timeouts[UDP_CT_MAX];
 44#if IS_ENABLED(CONFIG_NF_FLOW_TABLE)
 45	unsigned int offload_timeout;
 46#endif
 47};
 48
 49struct nf_icmp_net {
 
 50	unsigned int timeout;
 51};
 52
 53#ifdef CONFIG_NF_CT_PROTO_DCCP
 54struct nf_dccp_net {
 55	u8 dccp_loose;
 
 56	unsigned int dccp_timeout[CT_DCCP_MAX + 1];
 57};
 58#endif
 59
 60#ifdef CONFIG_NF_CT_PROTO_SCTP
 61struct nf_sctp_net {
 
 62	unsigned int timeouts[SCTP_CONNTRACK_MAX];
 63};
 64#endif
 65
 66#ifdef CONFIG_NF_CT_PROTO_GRE
 67enum gre_conntrack {
 68	GRE_CT_UNREPLIED,
 69	GRE_CT_REPLIED,
 70	GRE_CT_MAX
 71};
 72
 73struct nf_gre_net {
 74	struct list_head	keymap_list;
 75	unsigned int		timeouts[GRE_CT_MAX];
 76};
 77#endif
 78
 79struct nf_ip_net {
 80	struct nf_generic_net   generic;
 81	struct nf_tcp_net	tcp;
 82	struct nf_udp_net	udp;
 83	struct nf_icmp_net	icmp;
 84	struct nf_icmp_net	icmpv6;
 85#ifdef CONFIG_NF_CT_PROTO_DCCP
 86	struct nf_dccp_net	dccp;
 87#endif
 88#ifdef CONFIG_NF_CT_PROTO_SCTP
 89	struct nf_sctp_net	sctp;
 90#endif
 91#ifdef CONFIG_NF_CT_PROTO_GRE
 92	struct nf_gre_net	gre;
 93#endif
 94};
 95
 
 
 
 
 
 
 96struct netns_ct {
 
 
 97#ifdef CONFIG_NF_CONNTRACK_EVENTS
 
 98	bool ecache_dwork_pending;
 99#endif
100	u8			sysctl_log_invalid; /* Log invalid packets */
101	u8			sysctl_events;
102	u8			sysctl_acct;
103	u8			sysctl_tstamp;
104	u8			sysctl_checksum;
 
 
 
 
 
 
 
 
 
105
 
106	struct ip_conntrack_stat __percpu *stat;
107	struct nf_ct_event_notifier __rcu *nf_conntrack_event_cb;
 
108	struct nf_ip_net	nf_ct_proto;
109#if defined(CONFIG_NF_CONNTRACK_LABELS)
110	atomic_t		labels_used;
111#endif
112};
113#endif
v4.10.11
 
  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