projects / mirror_ubuntu-eoan-kernel.git / blame
| Commit | Line | Data |
|---|---|---|
| b2441318 | 1 | /* SPDX-License-Identifier: GPL-2.0 */ |
| 8afd351c PE |
2 | /* |
| 3 | * ipv4 in net namespaces | |
| 4 | */ | |
| 5 | ||
| 6 | #ifndef __NETNS_IPV4_H__ | |
| 7 | #define __NETNS_IPV4_H__ | |
| e4e4971c | 8 | |
| 7064d16e | 9 | #include <linux/uidgid.h> |
| ac18e750 | 10 | #include <net/inet_frag.h> |
| a7e53531 | 11 | #include <linux/rcupdate.h> |
| ac18e750 | 12 | |
| 51c5d0c4 | 13 | struct tcpm_hash_bucket; |
| 752d14dc PE |
14 | struct ctl_table_header; |
| 15 | struct ipv4_devconf; | |
| e4e4971c | 16 | struct fib_rules_ops; |
| e4aef8ae | 17 | struct hlist_head; |
| f4530fa5 | 18 | struct fib_table; |
| 6bd48fcf | 19 | struct sock; |
| 0bbf87d8 EB |
20 | struct local_ports { |
| 21 | seqlock_t lock; | |
| 22 | int range[2]; | |
| ed2dfd90 | 23 | bool warned; |
| 0bbf87d8 | 24 | }; |
| 752d14dc | 25 | |
| ba6b918a CW |
26 | struct ping_group_range { |
| 27 | seqlock_t lock; | |
| 28 | kgid_t range[2]; | |
| 29 | }; | |
| 30 | ||
| 1946e672 HY |
31 | struct inet_hashinfo; |
| 32 | ||
| 33 | struct inet_timewait_death_row { | |
| 34 | atomic_t tw_count; | |
| 35 | ||
| 36 | struct inet_hashinfo *hashinfo ____cacheline_aligned_in_smp; | |
| 1946e672 HY |
37 | int sysctl_max_tw_buckets; |
| 38 | }; | |
| 39 | ||
| 43713848 HY |
40 | struct tcp_fastopen_context; |
| 41 | ||
| 8afd351c | 42 | struct netns_ipv4 { |
| 2a75de0c | 43 | #ifdef CONFIG_SYSCTL |
| 752d14dc | 44 | struct ctl_table_header *forw_hdr; |
| e4a2d5c2 | 45 | struct ctl_table_header *frags_hdr; |
| 68528f09 | 46 | struct ctl_table_header *ipv4_hdr; |
| 39a23e75 | 47 | struct ctl_table_header *route_hdr; |
| 8d068875 | 48 | struct ctl_table_header *xfrm4_hdr; |
| 2a75de0c | 49 | #endif |
| 752d14dc PE |
50 | struct ipv4_devconf *devconf_all; |
| 51 | struct ipv4_devconf *devconf_dflt; | |
| 5796ef75 | 52 | struct ip_ra_chain __rcu *ra_chain; |
| d9ff3049 | 53 | struct mutex ra_mutex; |
| e4e4971c DL |
54 | #ifdef CONFIG_IP_MULTIPLE_TABLES |
| 55 | struct fib_rules_ops *rules_ops; | |
| f4530fa5 | 56 | bool fib_has_custom_rules; |
| e37b1e97 | 57 | unsigned int fib_rules_require_fldissect; |
| a7e53531 AD |
58 | struct fib_table __rcu *fib_main; |
| 59 | struct fib_table __rcu *fib_default; | |
| f4530fa5 | 60 | #endif |
| a1f3316d | 61 | bool fib_has_custom_local_routes; |
| f4530fa5 DM |
62 | #ifdef CONFIG_IP_ROUTE_CLASSID |
| 63 | int fib_num_tclassid_users; | |
| e4e4971c | 64 | #endif |
| e4aef8ae | 65 | struct hlist_head *fib_table_hash; |
| 448b128a | 66 | bool fib_offload_disabled; |
| 6bd48fcf | 67 | struct sock *fibnl; |
| ac18e750 | 68 | |
| 349c9e3c | 69 | struct sock * __percpu *icmp_sk; |
| 93a714d6 | 70 | struct sock *mc_autojoin_sk; |
| 349c9e3c | 71 | |
| c8a627ed | 72 | struct inet_peer_base *peers; |
| bdbbb852 | 73 | struct sock * __percpu *tcp_sk; |
| ac18e750 | 74 | struct netns_frags frags; |
| 9335f047 AD |
75 | #ifdef CONFIG_NETFILTER |
| 76 | struct xt_table *iptable_filter; | |
| 77 | struct xt_table *iptable_mangle; | |
| 78 | struct xt_table *iptable_raw; | |
| 9ea0cb26 | 79 | struct xt_table *arptable_filter; |
| e9d3897c | 80 | #ifdef CONFIG_SECURITY |
| 560ee653 | 81 | struct xt_table *iptable_security; |
| e9d3897c | 82 | #endif |
| e099a173 | 83 | struct xt_table *nat_table; |
| 9335f047 | 84 | #endif |
| a24022e1 PE |
85 | |
| 86 | int sysctl_icmp_echo_ignore_all; | |
| 87 | int sysctl_icmp_echo_ignore_broadcasts; | |
| 88 | int sysctl_icmp_ignore_bogus_error_responses; | |
| 89 | int sysctl_icmp_ratelimit; | |
| 90 | int sysctl_icmp_ratemask; | |
| 91 | int sysctl_icmp_errors_use_inbound_ifaddr; | |
| 9f5e97e5 | 92 | |
| c9d8f1a6 | 93 | struct local_ports ip_local_ports; |
| 0bbf87d8 | 94 | |
| 5d134f1c | 95 | int sysctl_tcp_ecn; |
| 49213555 DB |
96 | int sysctl_tcp_ecn_fallback; |
| 97 | ||
| fa50d974 | 98 | int sysctl_ip_default_ttl; |
| 974eda11 | 99 | int sysctl_ip_no_pmtu_disc; |
| f87c10a8 | 100 | int sysctl_ip_fwd_use_pmtu; |
| 49a60158 | 101 | int sysctl_ip_nonlocal_bind; |
| 287b7f38 NB |
102 | /* Shall we try to damage output packets if routing dev changes? */ |
| 103 | int sysctl_ip_dynaddr; | |
| e21145a9 | 104 | int sysctl_ip_early_demux; |
| dddb64bc SAK |
105 | int sysctl_tcp_early_demux; |
| 106 | int sysctl_udp_early_demux; | |
| 5d134f1c | 107 | |
| e110861f | 108 | int sysctl_fwmark_reflect; |
| 84f39b08 | 109 | int sysctl_tcp_fwmark_accept; |
| 6dd9a14e DA |
110 | #ifdef CONFIG_NET_L3_MASTER_DEV |
| 111 | int sysctl_tcp_l3mdev_accept; | |
| 112 | #endif | |
| b0f9ca53 FD |
113 | int sysctl_tcp_mtu_probing; |
| 114 | int sysctl_tcp_base_mss; | |
| 6b58e0a5 | 115 | int sysctl_tcp_probe_threshold; |
| 05cbc0db | 116 | u32 sysctl_tcp_probe_interval; |
| e110861f | 117 | |
| 13b287e8 | 118 | int sysctl_tcp_keepalive_time; |
| 9bd6861b | 119 | int sysctl_tcp_keepalive_probes; |
| b840d15d | 120 | int sysctl_tcp_keepalive_intvl; |
| 13b287e8 | 121 | |
| 6fa25166 | 122 | int sysctl_tcp_syn_retries; |
| 7c083ecb | 123 | int sysctl_tcp_synack_retries; |
| 12ed8244 | 124 | int sysctl_tcp_syncookies; |
| 1043e25f | 125 | int sysctl_tcp_reordering; |
| ae5c3f40 | 126 | int sysctl_tcp_retries1; |
| c6214a97 | 127 | int sysctl_tcp_retries2; |
| c402d9be | 128 | int sysctl_tcp_orphan_retries; |
| 1e579caa | 129 | int sysctl_tcp_fin_timeout; |
| 4979f2d9 | 130 | unsigned int sysctl_tcp_notsent_lowat; |
| 56ab6b93 | 131 | int sysctl_tcp_tw_reuse; |
| f9301034 | 132 | int sysctl_tcp_sack; |
| 9bb37ef0 | 133 | int sysctl_tcp_window_scaling; |
| 5d2ed052 | 134 | int sysctl_tcp_timestamps; |
| 2ae21cf5 | 135 | int sysctl_tcp_early_retrans; |
| e20223f1 | 136 | int sysctl_tcp_recovery; |
| 2c04ac8a | 137 | int sysctl_tcp_thin_linear_timeouts; |
| b510f0d2 | 138 | int sysctl_tcp_slow_start_after_idle; |
| e0a1e5b5 | 139 | int sysctl_tcp_retrans_collapse; |
| 3f4c7c6f | 140 | int sysctl_tcp_stdurg; |
| 625357aa | 141 | int sysctl_tcp_rfc1337; |
| 65c9410c | 142 | int sysctl_tcp_abort_on_overflow; |
| 0bc65a28 | 143 | int sysctl_tcp_fack; |
| c6e21803 | 144 | int sysctl_tcp_max_reordering; |
| 6496f6bd | 145 | int sysctl_tcp_dsack; |
| 0c12654a | 146 | int sysctl_tcp_app_win; |
| 94f0893e | 147 | int sysctl_tcp_adv_win_scale; |
| af9b69a7 | 148 | int sysctl_tcp_frto; |
| ec36e416 | 149 | int sysctl_tcp_nometrics_save; |
| 4540c0cf | 150 | int sysctl_tcp_moderate_rcvbuf; |
| d06a9904 | 151 | int sysctl_tcp_tso_win_divisor; |
| ceef9ab6 | 152 | int sysctl_tcp_workaround_signed_windows; |
| 9184d8bb | 153 | int sysctl_tcp_limit_output_bytes; |
| b530b681 | 154 | int sysctl_tcp_challenge_ack_limit; |
| 26e9596e | 155 | int sysctl_tcp_min_tso_segs; |
| bd239704 | 156 | int sysctl_tcp_min_rtt_wlen; |
| 790f00e1 | 157 | int sysctl_tcp_autocorking; |
| 4170ba6b | 158 | int sysctl_tcp_invalid_ratelimit; |
| 23a7102a | 159 | int sysctl_tcp_pacing_ss_ratio; |
| c26e91f8 | 160 | int sysctl_tcp_pacing_ca_ratio; |
| 356d1833 ED |
161 | int sysctl_tcp_wmem[3]; |
| 162 | int sysctl_tcp_rmem[3]; | |
| 1946e672 | 163 | struct inet_timewait_death_row tcp_death_row; |
| fee83d09 | 164 | int sysctl_max_syn_backlog; |
| e1cfcbe8 | 165 | int sysctl_tcp_fastopen; |
| 6670e152 | 166 | const struct tcp_congestion_ops __rcu *tcp_congestion_control; |
| 43713848 HY |
167 | struct tcp_fastopen_context __rcu *tcp_fastopen_ctx; |
| 168 | spinlock_t tcp_fastopen_ctx_lock; | |
| 3733be14 HY |
169 | unsigned int sysctl_tcp_fastopen_blackhole_timeout; |
| 170 | atomic_t tfo_active_disable_times; | |
| 171 | unsigned long tfo_active_disable_stamp; | |
| 12ed8244 | 172 | |
| 1e802951 TZ |
173 | int sysctl_udp_wmem_min; |
| 174 | int sysctl_udp_rmem_min; | |
| 175 | ||
| 63a6fff3 RS |
176 | #ifdef CONFIG_NET_L3_MASTER_DEV |
| 177 | int sysctl_udp_l3mdev_accept; | |
| 178 | #endif | |
| 179 | ||
| 815c5270 | 180 | int sysctl_igmp_max_memberships; |
| 166b6b2d | 181 | int sysctl_igmp_max_msf; |
| 87a8a2ae | 182 | int sysctl_igmp_llm_reports; |
| 165094af | 183 | int sysctl_igmp_qrv; |
| 815c5270 | 184 | |
| ba6b918a | 185 | struct ping_group_range ping_group_range; |
| c319b4d7 | 186 | |
| 436c3b66 | 187 | atomic_t dev_addr_genid; |
| 70a269e6 | 188 | |
| 122ff243 WC |
189 | #ifdef CONFIG_SYSCTL |
| 190 | unsigned long *sysctl_local_reserved_ports; | |
| 4548b683 | 191 | int sysctl_ip_prot_sock; |
| 122ff243 WC |
192 | #endif |
| 193 | ||
| 70a269e6 | 194 | #ifdef CONFIG_IP_MROUTE |
| f0ad0860 | 195 | #ifndef CONFIG_IP_MROUTE_MULTIPLE_TABLES |
| 0c12295a | 196 | struct mr_table *mrt; |
| f0ad0860 PM |
197 | #else |
| 198 | struct list_head mr_tables; | |
| 199 | struct fib_rules_ops *mr_rules_ops; | |
| 200 | #endif | |
| a6db4494 DA |
201 | #endif |
| 202 | #ifdef CONFIG_IP_ROUTE_MULTIPATH | |
| 203 | int sysctl_fib_multipath_use_neigh; | |
| bf4e0a3d | 204 | int sysctl_fib_multipath_hash_policy; |
| 70a269e6 | 205 | #endif |
| cacaad11 | 206 | |
| 04b1d4e5 | 207 | struct fib_notifier_ops *notifier_ops; |
| cacaad11 IS |
208 | unsigned int fib_seq; /* protected by rtnl_mutex */ |
| 209 | ||
| 4d65b948 YG |
210 | struct fib_notifier_ops *ipmr_notifier_ops; |
| 211 | unsigned int ipmr_seq; /* protected by rtnl_mutex */ | |
| 212 | ||
| ca4c3fc2 | 213 | atomic_t rt_genid; |
| 8afd351c PE |
214 | }; |
| 215 | #endif |