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review.trustedfirmware.org / hafnium / third_party / linux.git / 0f672f6c0b52b7b0700b0915c72b540721af4465 / . / include / net / netns / conntrack.h
blob: 806454e767bf422893a523eebf96b67d38a532cb [file] [log] [blame]
Andrew Scullb4b6d4a2019-01-02 15:54:55 +0000[diff] [blame]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
Andrew Scullb4b6d4a2019-01-02 15:54:55 +0000[diff] [blame]21struct nf_generic_net {
Andrew Scullb4b6d4a2019-01-02 15:54:55 +0000[diff] [blame]22 unsigned int timeout;
23};
24
25struct nf_tcp_net {
Andrew Scullb4b6d4a2019-01-02 15:54:55 +0000[diff] [blame]26 unsigned int timeouts[TCP_CONNTRACK_TIMEOUT_MAX];
David Brazdil0f672f62019-12-10 10:32:29 +0000[diff] [blame^]27 int tcp_loose;
28 int tcp_be_liberal;
29 int tcp_max_retrans;
Andrew Scullb4b6d4a2019-01-02 15:54:55 +0000[diff] [blame]30};
31
32enum udp_conntrack {
33 UDP_CT_UNREPLIED,
34 UDP_CT_REPLIED,
35 UDP_CT_MAX
36};
37
38struct nf_udp_net {
Andrew Scullb4b6d4a2019-01-02 15:54:55 +0000[diff] [blame]39 unsigned int timeouts[UDP_CT_MAX];
40};
41
42struct nf_icmp_net {
Andrew Scullb4b6d4a2019-01-02 15:54:55 +0000[diff] [blame]43 unsigned int timeout;
44};
45
46#ifdef CONFIG_NF_CT_PROTO_DCCP
47struct nf_dccp_net {
Andrew Scullb4b6d4a2019-01-02 15:54:55 +0000[diff] [blame]48 int dccp_loose;
49 unsigned int dccp_timeout[CT_DCCP_MAX + 1];
50};
51#endif
52
53#ifdef CONFIG_NF_CT_PROTO_SCTP
54struct nf_sctp_net {
Andrew Scullb4b6d4a2019-01-02 15:54:55 +0000[diff] [blame]55 unsigned int timeouts[SCTP_CONNTRACK_MAX];
56};
57#endif
58
David Brazdil0f672f62019-12-10 10:32:29 +0000[diff] [blame^]59#ifdef CONFIG_NF_CT_PROTO_GRE
60enum gre_conntrack {
61 GRE_CT_UNREPLIED,
62 GRE_CT_REPLIED,
63 GRE_CT_MAX
64};
65
66struct nf_gre_net {
67 struct list_head keymap_list;
68 unsigned int timeouts[GRE_CT_MAX];
69};
70#endif
71
Andrew Scullb4b6d4a2019-01-02 15:54:55 +0000[diff] [blame]72struct nf_ip_net {
73 struct nf_generic_net generic;
74 struct nf_tcp_net tcp;
75 struct nf_udp_net udp;
76 struct nf_icmp_net icmp;
77 struct nf_icmp_net icmpv6;
78#ifdef CONFIG_NF_CT_PROTO_DCCP
79 struct nf_dccp_net dccp;
80#endif
81#ifdef CONFIG_NF_CT_PROTO_SCTP
82 struct nf_sctp_net sctp;
83#endif
David Brazdil0f672f62019-12-10 10:32:29 +0000[diff] [blame^]84#ifdef CONFIG_NF_CT_PROTO_GRE
85 struct nf_gre_net gre;
86#endif
Andrew Scullb4b6d4a2019-01-02 15:54:55 +0000[diff] [blame]87};
88
89struct ct_pcpu {
90 spinlock_t lock;
91 struct hlist_nulls_head unconfirmed;
92 struct hlist_nulls_head dying;
93};
94
95struct netns_ct {
96 atomic_t count;
97 unsigned int expect_count;
98#ifdef CONFIG_NF_CONNTRACK_EVENTS
99 struct delayed_work ecache_dwork;
100 bool ecache_dwork_pending;
101#endif
David Brazdil0f672f62019-12-10 10:32:29 +0000[diff] [blame^]102 bool auto_assign_helper_warned;
Andrew Scullb4b6d4a2019-01-02 15:54:55 +0000[diff] [blame]103#ifdef CONFIG_SYSCTL
104 struct ctl_table_header *sysctl_header;
Andrew Scullb4b6d4a2019-01-02 15:54:55 +0000[diff] [blame]105#endif
106 unsigned int sysctl_log_invalid; /* Log invalid packets */
107 int sysctl_events;
108 int sysctl_acct;
109 int sysctl_auto_assign_helper;
Andrew Scullb4b6d4a2019-01-02 15:54:55 +0000[diff] [blame]110 int sysctl_tstamp;
111 int sysctl_checksum;
112
113 struct ct_pcpu __percpu *pcpu_lists;
114 struct ip_conntrack_stat __percpu *stat;
115 struct nf_ct_event_notifier __rcu *nf_conntrack_event_cb;
116 struct nf_exp_event_notifier __rcu *nf_expect_event_cb;
117 struct nf_ip_net nf_ct_proto;
118#if defined(CONFIG_NF_CONNTRACK_LABELS)
119 unsigned int labels_used;
120#endif
121};
122#endif