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1/*
2 * ipv4 in net namespaces
3 */
4
5#ifndef __NETNS_IPV4_H__
6#define __NETNS_IPV4_H__
7
8#include <net/inet_frag.h>
9
10struct ctl_table_header;
11struct ipv4_devconf;
12struct fib_rules_ops;
13struct hlist_head;
14struct sock;
15
16struct netns_ipv4 {
17#ifdef CONFIG_SYSCTL
18 struct ctl_table_header *forw_hdr;
19 struct ctl_table_header *frags_hdr;
20 struct ctl_table_header *ipv4_hdr;
21 struct ctl_table_header *route_hdr;
22#endif
23 struct ipv4_devconf *devconf_all;
24 struct ipv4_devconf *devconf_dflt;
25#ifdef CONFIG_IP_MULTIPLE_TABLES
26 struct fib_rules_ops *rules_ops;
27#endif
28 struct hlist_head *fib_table_hash;
29 struct sock *fibnl;
30
31 struct sock **icmp_sk;
32 struct sock *tcp_sock;
33
34 struct netns_frags frags;
35#ifdef CONFIG_NETFILTER
36 struct xt_table *iptable_filter;
37 struct xt_table *iptable_mangle;
38 struct xt_table *iptable_raw;
39 struct xt_table *arptable_filter;
40#ifdef CONFIG_SECURITY
41 struct xt_table *iptable_security;
42#endif
43 struct xt_table *nat_table;
44 struct hlist_head *nat_bysource;
45 unsigned int nat_htable_size;
46#endif
47
48 int sysctl_icmp_echo_ignore_all;
49 int sysctl_icmp_echo_ignore_broadcasts;
50 int sysctl_icmp_ignore_bogus_error_responses;
51 int sysctl_icmp_ratelimit;
52 int sysctl_icmp_ratemask;
53 int sysctl_icmp_errors_use_inbound_ifaddr;
54 int sysctl_rt_cache_rebuild_count;
55 int current_rt_cache_rebuild_count;
56
57 unsigned int sysctl_ping_group_range[2];
58
59 atomic_t rt_genid;
60 atomic_t dev_addr_genid;
61
62#ifdef CONFIG_IP_MROUTE
63#ifndef CONFIG_IP_MROUTE_MULTIPLE_TABLES
64 struct mr_table *mrt;
65#else
66 struct list_head mr_tables;
67 struct fib_rules_ops *mr_rules_ops;
68#endif
69#endif
70};
71#endif
1/*
2 * ipv4 in net namespaces
3 */
4
5#ifndef __NETNS_IPV4_H__
6#define __NETNS_IPV4_H__
7
8#include <linux/uidgid.h>
9#include <net/inet_frag.h>
10#include <linux/rcupdate.h>
11
12struct tcpm_hash_bucket;
13struct ctl_table_header;
14struct ipv4_devconf;
15struct fib_rules_ops;
16struct hlist_head;
17struct fib_table;
18struct sock;
19struct local_ports {
20 seqlock_t lock;
21 int range[2];
22 bool warned;
23};
24
25struct ping_group_range {
26 seqlock_t lock;
27 kgid_t range[2];
28};
29
30struct netns_ipv4 {
31#ifdef CONFIG_SYSCTL
32 struct ctl_table_header *forw_hdr;
33 struct ctl_table_header *frags_hdr;
34 struct ctl_table_header *ipv4_hdr;
35 struct ctl_table_header *route_hdr;
36 struct ctl_table_header *xfrm4_hdr;
37#endif
38 struct ipv4_devconf *devconf_all;
39 struct ipv4_devconf *devconf_dflt;
40#ifdef CONFIG_IP_MULTIPLE_TABLES
41 struct fib_rules_ops *rules_ops;
42 bool fib_has_custom_rules;
43 struct fib_table __rcu *fib_local;
44 struct fib_table __rcu *fib_main;
45 struct fib_table __rcu *fib_default;
46#endif
47#ifdef CONFIG_IP_ROUTE_CLASSID
48 int fib_num_tclassid_users;
49#endif
50 struct hlist_head *fib_table_hash;
51 bool fib_offload_disabled;
52 struct sock *fibnl;
53
54 struct sock * __percpu *icmp_sk;
55 struct sock *mc_autojoin_sk;
56
57 struct inet_peer_base *peers;
58 struct sock * __percpu *tcp_sk;
59 struct netns_frags frags;
60#ifdef CONFIG_NETFILTER
61 struct xt_table *iptable_filter;
62 struct xt_table *iptable_mangle;
63 struct xt_table *iptable_raw;
64 struct xt_table *arptable_filter;
65#ifdef CONFIG_SECURITY
66 struct xt_table *iptable_security;
67#endif
68 struct xt_table *nat_table;
69#endif
70
71 int sysctl_icmp_echo_ignore_all;
72 int sysctl_icmp_echo_ignore_broadcasts;
73 int sysctl_icmp_ignore_bogus_error_responses;
74 int sysctl_icmp_ratelimit;
75 int sysctl_icmp_ratemask;
76 int sysctl_icmp_errors_use_inbound_ifaddr;
77
78 struct local_ports ip_local_ports;
79
80 int sysctl_tcp_ecn;
81 int sysctl_tcp_ecn_fallback;
82
83 int sysctl_ip_default_ttl;
84 int sysctl_ip_no_pmtu_disc;
85 int sysctl_ip_fwd_use_pmtu;
86 int sysctl_ip_nonlocal_bind;
87 /* Shall we try to damage output packets if routing dev changes? */
88 int sysctl_ip_dynaddr;
89 int sysctl_ip_early_demux;
90
91 int sysctl_fwmark_reflect;
92 int sysctl_tcp_fwmark_accept;
93#ifdef CONFIG_NET_L3_MASTER_DEV
94 int sysctl_tcp_l3mdev_accept;
95#endif
96 int sysctl_tcp_mtu_probing;
97 int sysctl_tcp_base_mss;
98 int sysctl_tcp_probe_threshold;
99 u32 sysctl_tcp_probe_interval;
100
101 int sysctl_tcp_keepalive_time;
102 int sysctl_tcp_keepalive_probes;
103 int sysctl_tcp_keepalive_intvl;
104
105 int sysctl_tcp_syn_retries;
106 int sysctl_tcp_synack_retries;
107 int sysctl_tcp_syncookies;
108 int sysctl_tcp_reordering;
109 int sysctl_tcp_retries1;
110 int sysctl_tcp_retries2;
111 int sysctl_tcp_orphan_retries;
112 int sysctl_tcp_fin_timeout;
113 unsigned int sysctl_tcp_notsent_lowat;
114
115 int sysctl_igmp_max_memberships;
116 int sysctl_igmp_max_msf;
117 int sysctl_igmp_llm_reports;
118 int sysctl_igmp_qrv;
119
120 struct ping_group_range ping_group_range;
121
122 atomic_t dev_addr_genid;
123
124#ifdef CONFIG_SYSCTL
125 unsigned long *sysctl_local_reserved_ports;
126#endif
127
128#ifdef CONFIG_IP_MROUTE
129#ifndef CONFIG_IP_MROUTE_MULTIPLE_TABLES
130 struct mr_table *mrt;
131#else
132 struct list_head mr_tables;
133 struct fib_rules_ops *mr_rules_ops;
134#endif
135#endif
136 atomic_t rt_genid;
137};
138#endif