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Commit | Line | Data |
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8afd351c PE |
1 | /* |
2 | * ipv4 in net namespaces | |
3 | */ | |
4 | ||
5 | #ifndef __NETNS_IPV4_H__ | |
6 | #define __NETNS_IPV4_H__ | |
e4e4971c | 7 | |
7064d16e | 8 | #include <linux/uidgid.h> |
ac18e750 | 9 | #include <net/inet_frag.h> |
a7e53531 | 10 | #include <linux/rcupdate.h> |
ac18e750 | 11 | |
51c5d0c4 | 12 | struct tcpm_hash_bucket; |
752d14dc PE |
13 | struct ctl_table_header; |
14 | struct ipv4_devconf; | |
e4e4971c | 15 | struct fib_rules_ops; |
e4aef8ae | 16 | struct hlist_head; |
f4530fa5 | 17 | struct fib_table; |
6bd48fcf | 18 | struct sock; |
0bbf87d8 EB |
19 | struct local_ports { |
20 | seqlock_t lock; | |
21 | int range[2]; | |
ed2dfd90 | 22 | bool warned; |
0bbf87d8 | 23 | }; |
752d14dc | 24 | |
ba6b918a CW |
25 | struct ping_group_range { |
26 | seqlock_t lock; | |
27 | kgid_t range[2]; | |
28 | }; | |
29 | ||
1946e672 HY |
30 | struct inet_hashinfo; |
31 | ||
32 | struct inet_timewait_death_row { | |
33 | atomic_t tw_count; | |
34 | ||
35 | struct inet_hashinfo *hashinfo ____cacheline_aligned_in_smp; | |
36 | int sysctl_tw_recycle; | |
37 | int sysctl_max_tw_buckets; | |
38 | }; | |
39 | ||
8afd351c | 40 | struct netns_ipv4 { |
2a75de0c | 41 | #ifdef CONFIG_SYSCTL |
752d14dc | 42 | struct ctl_table_header *forw_hdr; |
e4a2d5c2 | 43 | struct ctl_table_header *frags_hdr; |
68528f09 | 44 | struct ctl_table_header *ipv4_hdr; |
39a23e75 | 45 | struct ctl_table_header *route_hdr; |
8d068875 | 46 | struct ctl_table_header *xfrm4_hdr; |
2a75de0c | 47 | #endif |
752d14dc PE |
48 | struct ipv4_devconf *devconf_all; |
49 | struct ipv4_devconf *devconf_dflt; | |
e4e4971c DL |
50 | #ifdef CONFIG_IP_MULTIPLE_TABLES |
51 | struct fib_rules_ops *rules_ops; | |
f4530fa5 | 52 | bool fib_has_custom_rules; |
a7e53531 AD |
53 | struct fib_table __rcu *fib_main; |
54 | struct fib_table __rcu *fib_default; | |
f4530fa5 DM |
55 | #endif |
56 | #ifdef CONFIG_IP_ROUTE_CLASSID | |
57 | int fib_num_tclassid_users; | |
e4e4971c | 58 | #endif |
e4aef8ae | 59 | struct hlist_head *fib_table_hash; |
448b128a | 60 | bool fib_offload_disabled; |
6bd48fcf | 61 | struct sock *fibnl; |
ac18e750 | 62 | |
349c9e3c | 63 | struct sock * __percpu *icmp_sk; |
93a714d6 | 64 | struct sock *mc_autojoin_sk; |
349c9e3c | 65 | |
c8a627ed | 66 | struct inet_peer_base *peers; |
bdbbb852 | 67 | struct sock * __percpu *tcp_sk; |
ac18e750 | 68 | struct netns_frags frags; |
9335f047 AD |
69 | #ifdef CONFIG_NETFILTER |
70 | struct xt_table *iptable_filter; | |
71 | struct xt_table *iptable_mangle; | |
72 | struct xt_table *iptable_raw; | |
9ea0cb26 | 73 | struct xt_table *arptable_filter; |
e9d3897c | 74 | #ifdef CONFIG_SECURITY |
560ee653 | 75 | struct xt_table *iptable_security; |
e9d3897c | 76 | #endif |
e099a173 | 77 | struct xt_table *nat_table; |
9335f047 | 78 | #endif |
a24022e1 PE |
79 | |
80 | int sysctl_icmp_echo_ignore_all; | |
81 | int sysctl_icmp_echo_ignore_broadcasts; | |
82 | int sysctl_icmp_ignore_bogus_error_responses; | |
83 | int sysctl_icmp_ratelimit; | |
84 | int sysctl_icmp_ratemask; | |
85 | int sysctl_icmp_errors_use_inbound_ifaddr; | |
9f5e97e5 | 86 | |
c9d8f1a6 | 87 | struct local_ports ip_local_ports; |
0bbf87d8 | 88 | |
5d134f1c | 89 | int sysctl_tcp_ecn; |
49213555 DB |
90 | int sysctl_tcp_ecn_fallback; |
91 | ||
fa50d974 | 92 | int sysctl_ip_default_ttl; |
974eda11 | 93 | int sysctl_ip_no_pmtu_disc; |
f87c10a8 | 94 | int sysctl_ip_fwd_use_pmtu; |
49a60158 | 95 | int sysctl_ip_nonlocal_bind; |
287b7f38 NB |
96 | /* Shall we try to damage output packets if routing dev changes? */ |
97 | int sysctl_ip_dynaddr; | |
e21145a9 | 98 | int sysctl_ip_early_demux; |
5d134f1c | 99 | |
e110861f | 100 | int sysctl_fwmark_reflect; |
84f39b08 | 101 | int sysctl_tcp_fwmark_accept; |
6dd9a14e DA |
102 | #ifdef CONFIG_NET_L3_MASTER_DEV |
103 | int sysctl_tcp_l3mdev_accept; | |
104 | #endif | |
b0f9ca53 FD |
105 | int sysctl_tcp_mtu_probing; |
106 | int sysctl_tcp_base_mss; | |
6b58e0a5 | 107 | int sysctl_tcp_probe_threshold; |
05cbc0db | 108 | u32 sysctl_tcp_probe_interval; |
e110861f | 109 | |
13b287e8 | 110 | int sysctl_tcp_keepalive_time; |
9bd6861b | 111 | int sysctl_tcp_keepalive_probes; |
b840d15d | 112 | int sysctl_tcp_keepalive_intvl; |
13b287e8 | 113 | |
6fa25166 | 114 | int sysctl_tcp_syn_retries; |
7c083ecb | 115 | int sysctl_tcp_synack_retries; |
12ed8244 | 116 | int sysctl_tcp_syncookies; |
1043e25f | 117 | int sysctl_tcp_reordering; |
ae5c3f40 | 118 | int sysctl_tcp_retries1; |
c6214a97 | 119 | int sysctl_tcp_retries2; |
c402d9be | 120 | int sysctl_tcp_orphan_retries; |
1e579caa | 121 | int sysctl_tcp_fin_timeout; |
4979f2d9 | 122 | unsigned int sysctl_tcp_notsent_lowat; |
56ab6b93 | 123 | int sysctl_tcp_tw_reuse; |
1946e672 | 124 | struct inet_timewait_death_row tcp_death_row; |
fee83d09 | 125 | int sysctl_max_syn_backlog; |
12ed8244 | 126 | |
63a6fff3 RS |
127 | #ifdef CONFIG_NET_L3_MASTER_DEV |
128 | int sysctl_udp_l3mdev_accept; | |
129 | #endif | |
130 | ||
815c5270 | 131 | int sysctl_igmp_max_memberships; |
166b6b2d | 132 | int sysctl_igmp_max_msf; |
87a8a2ae | 133 | int sysctl_igmp_llm_reports; |
165094af | 134 | int sysctl_igmp_qrv; |
815c5270 | 135 | |
ba6b918a | 136 | struct ping_group_range ping_group_range; |
c319b4d7 | 137 | |
436c3b66 | 138 | atomic_t dev_addr_genid; |
70a269e6 | 139 | |
122ff243 WC |
140 | #ifdef CONFIG_SYSCTL |
141 | unsigned long *sysctl_local_reserved_ports; | |
4548b683 | 142 | int sysctl_ip_prot_sock; |
122ff243 WC |
143 | #endif |
144 | ||
70a269e6 | 145 | #ifdef CONFIG_IP_MROUTE |
f0ad0860 | 146 | #ifndef CONFIG_IP_MROUTE_MULTIPLE_TABLES |
0c12295a | 147 | struct mr_table *mrt; |
f0ad0860 PM |
148 | #else |
149 | struct list_head mr_tables; | |
150 | struct fib_rules_ops *mr_rules_ops; | |
151 | #endif | |
a6db4494 DA |
152 | #endif |
153 | #ifdef CONFIG_IP_ROUTE_MULTIPATH | |
154 | int sysctl_fib_multipath_use_neigh; | |
70a269e6 | 155 | #endif |
cacaad11 IS |
156 | |
157 | unsigned int fib_seq; /* protected by rtnl_mutex */ | |
158 | ||
ca4c3fc2 | 159 | atomic_t rt_genid; |
8afd351c PE |
160 | }; |
161 | #endif |