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>
12 struct tcpm_hash_bucket;
13 struct ctl_table_header;
25 struct ping_group_range {
32 struct inet_timewait_death_row {
35 struct inet_hashinfo *hashinfo ____cacheline_aligned_in_smp;
36 int sysctl_max_tw_buckets;
41 struct ctl_table_header *forw_hdr;
42 struct ctl_table_header *frags_hdr;
43 struct ctl_table_header *ipv4_hdr;
44 struct ctl_table_header *route_hdr;
45 struct ctl_table_header *xfrm4_hdr;
47 struct ipv4_devconf *devconf_all;
48 struct ipv4_devconf *devconf_dflt;
49 #ifdef CONFIG_IP_MULTIPLE_TABLES
50 struct fib_rules_ops *rules_ops;
51 bool fib_has_custom_rules;
52 struct fib_table __rcu *fib_main;
53 struct fib_table __rcu *fib_default;
55 #ifdef CONFIG_IP_ROUTE_CLASSID
56 int fib_num_tclassid_users;
58 struct hlist_head *fib_table_hash;
59 bool fib_offload_disabled;
62 struct sock * __percpu *icmp_sk;
63 struct sock *mc_autojoin_sk;
65 struct inet_peer_base *peers;
66 struct sock * __percpu *tcp_sk;
67 struct netns_frags frags;
68 #ifdef CONFIG_NETFILTER
69 struct xt_table *iptable_filter;
70 struct xt_table *iptable_mangle;
71 struct xt_table *iptable_raw;
72 struct xt_table *arptable_filter;
73 #ifdef CONFIG_SECURITY
74 struct xt_table *iptable_security;
76 struct xt_table *nat_table;
79 int sysctl_icmp_echo_ignore_all;
80 int sysctl_icmp_echo_ignore_broadcasts;
81 int sysctl_icmp_ignore_bogus_error_responses;
82 int sysctl_icmp_ratelimit;
83 int sysctl_icmp_ratemask;
84 int sysctl_icmp_errors_use_inbound_ifaddr;
86 struct local_ports ip_local_ports;
89 int sysctl_tcp_ecn_fallback;
91 int sysctl_ip_default_ttl;
92 int sysctl_ip_no_pmtu_disc;
93 int sysctl_ip_fwd_use_pmtu;
94 int sysctl_ip_nonlocal_bind;
95 /* Shall we try to damage output packets if routing dev changes? */
96 int sysctl_ip_dynaddr;
97 int sysctl_ip_early_demux;
98 int sysctl_tcp_early_demux;
99 int sysctl_udp_early_demux;
101 int sysctl_fwmark_reflect;
102 int sysctl_tcp_fwmark_accept;
103 #ifdef CONFIG_NET_L3_MASTER_DEV
104 int sysctl_tcp_l3mdev_accept;
106 int sysctl_tcp_mtu_probing;
107 int sysctl_tcp_base_mss;
108 int sysctl_tcp_probe_threshold;
109 u32 sysctl_tcp_probe_interval;
111 int sysctl_tcp_keepalive_time;
112 int sysctl_tcp_keepalive_probes;
113 int sysctl_tcp_keepalive_intvl;
115 int sysctl_tcp_syn_retries;
116 int sysctl_tcp_synack_retries;
117 int sysctl_tcp_syncookies;
118 int sysctl_tcp_reordering;
119 int sysctl_tcp_retries1;
120 int sysctl_tcp_retries2;
121 int sysctl_tcp_orphan_retries;
122 int sysctl_tcp_fin_timeout;
123 unsigned int sysctl_tcp_notsent_lowat;
124 int sysctl_tcp_tw_reuse;
125 struct inet_timewait_death_row tcp_death_row;
126 int sysctl_max_syn_backlog;
128 #ifdef CONFIG_NET_L3_MASTER_DEV
129 int sysctl_udp_l3mdev_accept;
132 int sysctl_igmp_max_memberships;
133 int sysctl_igmp_max_msf;
134 int sysctl_igmp_llm_reports;
137 struct ping_group_range ping_group_range;
139 atomic_t dev_addr_genid;
142 unsigned long *sysctl_local_reserved_ports;
143 int sysctl_ip_prot_sock;
146 #ifdef CONFIG_IP_MROUTE
147 #ifndef CONFIG_IP_MROUTE_MULTIPLE_TABLES
148 struct mr_table *mrt;
150 struct list_head mr_tables;
151 struct fib_rules_ops *mr_rules_ops;
154 #ifdef CONFIG_IP_ROUTE_MULTIPATH
155 int sysctl_fib_multipath_use_neigh;
156 int sysctl_fib_multipath_hash_policy;
159 unsigned int fib_seq; /* protected by rtnl_mutex */