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linux-next/include/net/netns/conntrack.h
Florian Westphal 8527f9df04 netfilter: netns: shrink netns_ct struct
remove the obsolete sysctl anchors and move auto_assign_helper_warned
to avoid/cover a hole.  Reduces size by 40 bytes on 64 bit.

Signed-off-by: Florian Westphal <fw@strlen.de>
Signed-off-by: Pablo Neira Ayuso <pablo@netfilter.org>
2018-12-21 00:51:56 +01:00

121 lines
2.5 KiB
C

/* 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_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
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
};
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
bool auto_assign_helper_warned;
#ifdef CONFIG_SYSCTL
struct ctl_table_header *sysctl_header;
#endif
unsigned int sysctl_log_invalid; /* Log invalid packets */
int sysctl_events;
int sysctl_acct;
int sysctl_auto_assign_helper;
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