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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 <linux/uidgid.h>
9#include <net/inet_frag.h>
10
11struct tcpm_hash_bucket;
12struct ctl_table_header;
13struct ipv4_devconf;
14struct fib_rules_ops;
15struct hlist_head;
16struct fib_table;
17struct sock;
18struct local_ports {
19 seqlock_t lock;
20 int range[2];
21};
22
23struct ping_group_range {
24 seqlock_t lock;
25 kgid_t range[2];
26};
27
28struct netns_ipv4 {
29#ifdef CONFIG_SYSCTL
30 struct ctl_table_header *forw_hdr;
31 struct ctl_table_header *frags_hdr;
32 struct ctl_table_header *ipv4_hdr;
33 struct ctl_table_header *route_hdr;
34 struct ctl_table_header *xfrm4_hdr;
35#endif
36 struct ipv4_devconf *devconf_all;
37 struct ipv4_devconf *devconf_dflt;
38#ifdef CONFIG_IP_MULTIPLE_TABLES
39 struct fib_rules_ops *rules_ops;
40 bool fib_has_custom_rules;
41 struct fib_table *fib_local;
42 struct fib_table *fib_main;
43 struct fib_table *fib_default;
44#endif
45#ifdef CONFIG_IP_ROUTE_CLASSID
46 int fib_num_tclassid_users;
47#endif
48 struct hlist_head *fib_table_hash;
49 struct sock *fibnl;
50
51 struct sock **icmp_sk;
52 struct inet_peer_base *peers;
53 struct tcpm_hash_bucket *tcp_metrics_hash;
54 unsigned int tcp_metrics_hash_log;
55 struct netns_frags frags;
56#ifdef CONFIG_NETFILTER
57 struct xt_table *iptable_filter;
58 struct xt_table *iptable_mangle;
59 struct xt_table *iptable_raw;
60 struct xt_table *arptable_filter;
61#ifdef CONFIG_SECURITY
62 struct xt_table *iptable_security;
63#endif
64 struct xt_table *nat_table;
65#endif
66
67 int sysctl_icmp_echo_ignore_all;
68 int sysctl_icmp_echo_ignore_broadcasts;
69 int sysctl_icmp_ignore_bogus_error_responses;
70 int sysctl_icmp_ratelimit;
71 int sysctl_icmp_ratemask;
72 int sysctl_icmp_errors_use_inbound_ifaddr;
73
74 struct local_ports ip_local_ports;
75
76 int sysctl_tcp_ecn;
77 int sysctl_ip_no_pmtu_disc;
78 int sysctl_ip_fwd_use_pmtu;
79
80 struct ping_group_range ping_group_range;
81
82 atomic_t dev_addr_genid;
83
84#ifdef CONFIG_IP_MROUTE
85#ifndef CONFIG_IP_MROUTE_MULTIPLE_TABLES
86 struct mr_table *mrt;
87#else
88 struct list_head mr_tables;
89 struct fib_rules_ops *mr_rules_ops;
90#endif
91#endif
92 atomic_t rt_genid;
93};
94#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_main;
44 struct fib_table __rcu *fib_default;
45#endif
46#ifdef CONFIG_IP_ROUTE_CLASSID
47 int fib_num_tclassid_users;
48#endif
49 struct hlist_head *fib_table_hash;
50 bool fib_offload_disabled;
51 struct sock *fibnl;
52
53 struct sock * __percpu *icmp_sk;
54 struct sock *mc_autojoin_sk;
55
56 struct inet_peer_base *peers;
57 struct sock * __percpu *tcp_sk;
58 struct netns_frags frags;
59#ifdef CONFIG_NETFILTER
60 struct xt_table *iptable_filter;
61 struct xt_table *iptable_mangle;
62 struct xt_table *iptable_raw;
63 struct xt_table *arptable_filter;
64#ifdef CONFIG_SECURITY
65 struct xt_table *iptable_security;
66#endif
67 struct xt_table *nat_table;
68#endif
69
70 int sysctl_icmp_echo_ignore_all;
71 int sysctl_icmp_echo_ignore_broadcasts;
72 int sysctl_icmp_ignore_bogus_error_responses;
73 int sysctl_icmp_ratelimit;
74 int sysctl_icmp_ratemask;
75 int sysctl_icmp_errors_use_inbound_ifaddr;
76
77 struct local_ports ip_local_ports;
78
79 int sysctl_tcp_ecn;
80 int sysctl_tcp_ecn_fallback;
81
82 int sysctl_ip_default_ttl;
83 int sysctl_ip_no_pmtu_disc;
84 int sysctl_ip_fwd_use_pmtu;
85 int sysctl_ip_nonlocal_bind;
86 /* Shall we try to damage output packets if routing dev changes? */
87 int sysctl_ip_dynaddr;
88 int sysctl_ip_early_demux;
89
90 int sysctl_fwmark_reflect;
91 int sysctl_tcp_fwmark_accept;
92#ifdef CONFIG_NET_L3_MASTER_DEV
93 int sysctl_tcp_l3mdev_accept;
94#endif
95 int sysctl_tcp_mtu_probing;
96 int sysctl_tcp_base_mss;
97 int sysctl_tcp_probe_threshold;
98 u32 sysctl_tcp_probe_interval;
99
100 int sysctl_tcp_keepalive_time;
101 int sysctl_tcp_keepalive_probes;
102 int sysctl_tcp_keepalive_intvl;
103
104 int sysctl_tcp_syn_retries;
105 int sysctl_tcp_synack_retries;
106 int sysctl_tcp_syncookies;
107 int sysctl_tcp_reordering;
108 int sysctl_tcp_retries1;
109 int sysctl_tcp_retries2;
110 int sysctl_tcp_orphan_retries;
111 int sysctl_tcp_fin_timeout;
112 unsigned int sysctl_tcp_notsent_lowat;
113 int sysctl_tcp_tw_reuse;
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#ifdef CONFIG_IP_ROUTE_MULTIPATH
137 int sysctl_fib_multipath_use_neigh;
138#endif
139
140 unsigned int fib_seq; /* protected by rtnl_mutex */
141
142 atomic_t rt_genid;
143};
144#endif