Linux kernel mirror (for testing)
git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git
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kernel
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linux
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
114 int sysctl_igmp_max_memberships;
115 int sysctl_igmp_max_msf;
116 int sysctl_igmp_llm_reports;
117 int sysctl_igmp_qrv;
118
119 struct ping_group_range ping_group_range;
120
121 atomic_t dev_addr_genid;
122
123#ifdef CONFIG_SYSCTL
124 unsigned long *sysctl_local_reserved_ports;
125#endif
126
127#ifdef CONFIG_IP_MROUTE
128#ifndef CONFIG_IP_MROUTE_MULTIPLE_TABLES
129 struct mr_table *mrt;
130#else
131 struct list_head mr_tables;
132 struct fib_rules_ops *mr_rules_ops;
133#endif
134#endif
135#ifdef CONFIG_IP_ROUTE_MULTIPATH
136 int sysctl_fib_multipath_use_neigh;
137#endif
138 atomic_t rt_genid;
139};
140#endif