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/* SPDX-License-Identifier: GPL-2.0 */
#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_generic_net {
unsigned int timeout;
};
struct nf_tcp_net {
unsigned int timeouts[TCP_CONNTRACK_TIMEOUT_MAX];
u8 tcp_loose;
u8 tcp_be_liberal;
u8 tcp_max_retrans;
u8 tcp_ignore_invalid_rst;
#if IS_ENABLED(CONFIG_NF_FLOW_TABLE)
unsigned int offload_timeout;
#endif
};
enum udp_conntrack {
UDP_CT_UNREPLIED,
UDP_CT_REPLIED,
UDP_CT_MAX
};
struct nf_udp_net {
unsigned int timeouts[UDP_CT_MAX];
#if IS_ENABLED(CONFIG_NF_FLOW_TABLE)
unsigned int offload_timeout;
#endif
};
struct nf_icmp_net {
unsigned int timeout;
};
#ifdef CONFIG_NF_CT_PROTO_DCCP
struct nf_dccp_net {
u8 dccp_loose;
unsigned int dccp_timeout[CT_DCCP_MAX + 1];
};
#endif
#ifdef CONFIG_NF_CT_PROTO_SCTP
struct nf_sctp_net {
unsigned int timeouts[SCTP_CONNTRACK_MAX];
};
#endif
#ifdef CONFIG_NF_CT_PROTO_GRE
enum gre_conntrack {
GRE_CT_UNREPLIED,
GRE_CT_REPLIED,
GRE_CT_MAX
};
struct nf_gre_net {
struct list_head keymap_list;
unsigned int timeouts[GRE_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_GRE
struct nf_gre_net gre;
#endif
};
struct ct_pcpu {
spinlock_t lock;
struct hlist_nulls_head unconfirmed;
struct hlist_nulls_head dying;
};
struct netns_ct {
#ifdef CONFIG_NF_CONNTRACK_EVENTS
bool ecache_dwork_pending;
#endif
u8 sysctl_log_invalid; /* Log invalid packets */
u8 sysctl_events;
u8 sysctl_acct;
u8 sysctl_auto_assign_helper;
u8 sysctl_tstamp;
u8 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_ip_net nf_ct_proto;
#if defined(CONFIG_NF_CONNTRACK_LABELS)
unsigned int labels_used;
#endif
};
#endif