2 * ipv4 in net namespaces
5 #ifndef __NETNS_IPV4_H__
6 #define __NETNS_IPV4_H__
8 #include <linux/uidgid.h>
9 #include <net/inet_frag.h>
10 #include <linux/rcupdate.h>
11 #include <linux/siphash.h>
13 struct tcpm_hash_bucket;
14 struct ctl_table_header;
26 struct ping_group_range {
33 struct ctl_table_header *forw_hdr;
34 struct ctl_table_header *frags_hdr;
35 struct ctl_table_header *ipv4_hdr;
36 struct ctl_table_header *route_hdr;
37 struct ctl_table_header *xfrm4_hdr;
39 struct ipv4_devconf *devconf_all;
40 struct ipv4_devconf *devconf_dflt;
41 #ifdef CONFIG_IP_MULTIPLE_TABLES
42 struct fib_rules_ops *rules_ops;
43 bool fib_has_custom_rules;
44 struct fib_table __rcu *fib_main;
45 struct fib_table __rcu *fib_default;
47 #ifdef CONFIG_IP_ROUTE_CLASSID
48 int fib_num_tclassid_users;
50 struct hlist_head *fib_table_hash;
51 bool fib_offload_disabled;
54 struct sock * __percpu *icmp_sk;
55 struct sock *mc_autojoin_sk;
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;
68 struct xt_table *nat_table;
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;
78 struct local_ports ip_local_ports;
81 int sysctl_tcp_ecn_fallback;
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;
91 int sysctl_fwmark_reflect;
92 int sysctl_tcp_fwmark_accept;
93 #ifdef CONFIG_NET_L3_MASTER_DEV
94 int sysctl_tcp_l3mdev_accept;
96 int sysctl_tcp_mtu_probing;
97 int sysctl_tcp_base_mss;
98 int sysctl_tcp_min_snd_mss;
99 int sysctl_tcp_probe_threshold;
100 u32 sysctl_tcp_probe_interval;
102 int sysctl_tcp_keepalive_time;
103 int sysctl_tcp_keepalive_probes;
104 int sysctl_tcp_keepalive_intvl;
106 int sysctl_tcp_syn_retries;
107 int sysctl_tcp_synack_retries;
108 int sysctl_tcp_syncookies;
109 int sysctl_tcp_reordering;
110 int sysctl_tcp_retries1;
111 int sysctl_tcp_retries2;
112 int sysctl_tcp_orphan_retries;
113 int sysctl_tcp_fin_timeout;
114 unsigned int sysctl_tcp_notsent_lowat;
116 int sysctl_igmp_max_memberships;
117 int sysctl_igmp_max_msf;
118 int sysctl_igmp_llm_reports;
121 struct ping_group_range ping_group_range;
123 atomic_t dev_addr_genid;
126 unsigned long *sysctl_local_reserved_ports;
129 #ifdef CONFIG_IP_MROUTE
130 #ifndef CONFIG_IP_MROUTE_MULTIPLE_TABLES
131 struct mr_table *mrt;
133 struct list_head mr_tables;
134 struct fib_rules_ops *mr_rules_ops;
137 #ifdef CONFIG_IP_ROUTE_MULTIPATH
138 int sysctl_fib_multipath_use_neigh;
141 siphash_key_t ip_id_key;