2023-08-30 17:31:07 +02:00
|
|
|
/* SPDX-License-Identifier: GPL-2.0 */
|
|
|
|
|
/*
|
|
|
|
|
* ipv4 in net namespaces
|
|
|
|
|
*/
|
|
|
|
|
|
|
|
|
|
#ifndef __NETNS_IPV4_H__
|
|
|
|
|
#define __NETNS_IPV4_H__
|
|
|
|
|
|
|
|
|
|
#include <linux/uidgid.h>
|
|
|
|
|
#include <net/inet_frag.h>
|
|
|
|
|
#include <linux/rcupdate.h>
|
|
|
|
|
#include <linux/seqlock.h>
|
|
|
|
|
#include <linux/siphash.h>
|
|
|
|
|
|
|
|
|
|
struct ctl_table_header;
|
|
|
|
|
struct ipv4_devconf;
|
|
|
|
|
struct fib_rules_ops;
|
|
|
|
|
struct hlist_head;
|
|
|
|
|
struct fib_table;
|
|
|
|
|
struct sock;
|
|
|
|
|
struct local_ports {
|
|
|
|
|
seqlock_t lock;
|
|
|
|
|
int range[2];
|
|
|
|
|
bool warned;
|
|
|
|
|
};
|
|
|
|
|
|
|
|
|
|
struct ping_group_range {
|
|
|
|
|
seqlock_t lock;
|
|
|
|
|
kgid_t range[2];
|
|
|
|
|
};
|
|
|
|
|
|
|
|
|
|
struct inet_hashinfo;
|
|
|
|
|
|
|
|
|
|
struct inet_timewait_death_row {
|
|
|
|
|
refcount_t tw_refcount;
|
|
|
|
|
|
|
|
|
|
/* Padding to avoid false sharing, tw_refcount can be often written */
|
|
|
|
|
struct inet_hashinfo *hashinfo ____cacheline_aligned_in_smp;
|
|
|
|
|
int sysctl_max_tw_buckets;
|
|
|
|
|
};
|
|
|
|
|
|
|
|
|
|
struct tcp_fastopen_context;
|
|
|
|
|
|
|
|
|
|
struct netns_ipv4 {
|
|
|
|
|
struct inet_timewait_death_row tcp_death_row;
|
|
|
|
|
struct udp_table *udp_table;
|
|
|
|
|
|
|
|
|
|
#ifdef CONFIG_SYSCTL
|
|
|
|
|
struct ctl_table_header *forw_hdr;
|
|
|
|
|
struct ctl_table_header *frags_hdr;
|
|
|
|
|
struct ctl_table_header *ipv4_hdr;
|
|
|
|
|
struct ctl_table_header *route_hdr;
|
|
|
|
|
struct ctl_table_header *xfrm4_hdr;
|
|
|
|
|
#endif
|
|
|
|
|
struct ipv4_devconf *devconf_all;
|
|
|
|
|
struct ipv4_devconf *devconf_dflt;
|
|
|
|
|
struct ip_ra_chain __rcu *ra_chain;
|
|
|
|
|
struct mutex ra_mutex;
|
|
|
|
|
#ifdef CONFIG_IP_MULTIPLE_TABLES
|
|
|
|
|
struct fib_rules_ops *rules_ops;
|
|
|
|
|
struct fib_table __rcu *fib_main;
|
|
|
|
|
struct fib_table __rcu *fib_default;
|
|
|
|
|
unsigned int fib_rules_require_fldissect;
|
|
|
|
|
bool fib_has_custom_rules;
|
|
|
|
|
#endif
|
|
|
|
|
bool fib_has_custom_local_routes;
|
|
|
|
|
bool fib_offload_disabled;
|
2023-10-24 12:59:35 +02:00
|
|
|
u8 sysctl_tcp_shrink_window;
|
2023-08-30 17:31:07 +02:00
|
|
|
#ifdef CONFIG_IP_ROUTE_CLASSID
|
|
|
|
|
atomic_t fib_num_tclassid_users;
|
|
|
|
|
#endif
|
|
|
|
|
struct hlist_head *fib_table_hash;
|
|
|
|
|
struct sock *fibnl;
|
|
|
|
|
|
|
|
|
|
struct sock *mc_autojoin_sk;
|
|
|
|
|
|
|
|
|
|
struct inet_peer_base *peers;
|
|
|
|
|
struct fqdir *fqdir;
|
|
|
|
|
|
|
|
|
|
u8 sysctl_icmp_echo_ignore_all;
|
|
|
|
|
u8 sysctl_icmp_echo_enable_probe;
|
|
|
|
|
u8 sysctl_icmp_echo_ignore_broadcasts;
|
|
|
|
|
u8 sysctl_icmp_ignore_bogus_error_responses;
|
|
|
|
|
u8 sysctl_icmp_errors_use_inbound_ifaddr;
|
|
|
|
|
int sysctl_icmp_ratelimit;
|
|
|
|
|
int sysctl_icmp_ratemask;
|
|
|
|
|
|
|
|
|
|
u32 ip_rt_min_pmtu;
|
|
|
|
|
int ip_rt_mtu_expires;
|
|
|
|
|
int ip_rt_min_advmss;
|
|
|
|
|
|
|
|
|
|
struct local_ports ip_local_ports;
|
|
|
|
|
|
|
|
|
|
u8 sysctl_tcp_ecn;
|
|
|
|
|
u8 sysctl_tcp_ecn_fallback;
|
|
|
|
|
|
|
|
|
|
u8 sysctl_ip_default_ttl;
|
|
|
|
|
u8 sysctl_ip_no_pmtu_disc;
|
|
|
|
|
u8 sysctl_ip_fwd_use_pmtu;
|
|
|
|
|
u8 sysctl_ip_fwd_update_priority;
|
|
|
|
|
u8 sysctl_ip_nonlocal_bind;
|
|
|
|
|
u8 sysctl_ip_autobind_reuse;
|
|
|
|
|
/* Shall we try to damage output packets if routing dev changes? */
|
|
|
|
|
u8 sysctl_ip_dynaddr;
|
|
|
|
|
u8 sysctl_ip_early_demux;
|
|
|
|
|
#ifdef CONFIG_NET_L3_MASTER_DEV
|
|
|
|
|
u8 sysctl_raw_l3mdev_accept;
|
|
|
|
|
#endif
|
|
|
|
|
u8 sysctl_tcp_early_demux;
|
|
|
|
|
u8 sysctl_udp_early_demux;
|
|
|
|
|
|
|
|
|
|
u8 sysctl_nexthop_compat_mode;
|
|
|
|
|
|
|
|
|
|
u8 sysctl_fwmark_reflect;
|
|
|
|
|
u8 sysctl_tcp_fwmark_accept;
|
|
|
|
|
#ifdef CONFIG_NET_L3_MASTER_DEV
|
|
|
|
|
u8 sysctl_tcp_l3mdev_accept;
|
|
|
|
|
#endif
|
|
|
|
|
u8 sysctl_tcp_mtu_probing;
|
|
|
|
|
int sysctl_tcp_mtu_probe_floor;
|
|
|
|
|
int sysctl_tcp_base_mss;
|
|
|
|
|
int sysctl_tcp_min_snd_mss;
|
|
|
|
|
int sysctl_tcp_probe_threshold;
|
|
|
|
|
u32 sysctl_tcp_probe_interval;
|
|
|
|
|
|
|
|
|
|
int sysctl_tcp_keepalive_time;
|
|
|
|
|
int sysctl_tcp_keepalive_intvl;
|
|
|
|
|
u8 sysctl_tcp_keepalive_probes;
|
|
|
|
|
|
|
|
|
|
u8 sysctl_tcp_syn_retries;
|
|
|
|
|
u8 sysctl_tcp_synack_retries;
|
|
|
|
|
u8 sysctl_tcp_syncookies;
|
|
|
|
|
u8 sysctl_tcp_migrate_req;
|
|
|
|
|
u8 sysctl_tcp_comp_sack_nr;
|
|
|
|
|
int sysctl_tcp_reordering;
|
|
|
|
|
u8 sysctl_tcp_retries1;
|
|
|
|
|
u8 sysctl_tcp_retries2;
|
|
|
|
|
u8 sysctl_tcp_orphan_retries;
|
|
|
|
|
u8 sysctl_tcp_tw_reuse;
|
|
|
|
|
int sysctl_tcp_fin_timeout;
|
|
|
|
|
unsigned int sysctl_tcp_notsent_lowat;
|
|
|
|
|
u8 sysctl_tcp_sack;
|
|
|
|
|
u8 sysctl_tcp_window_scaling;
|
|
|
|
|
u8 sysctl_tcp_timestamps;
|
|
|
|
|
u8 sysctl_tcp_early_retrans;
|
|
|
|
|
u8 sysctl_tcp_recovery;
|
|
|
|
|
u8 sysctl_tcp_thin_linear_timeouts;
|
|
|
|
|
u8 sysctl_tcp_slow_start_after_idle;
|
|
|
|
|
u8 sysctl_tcp_retrans_collapse;
|
|
|
|
|
u8 sysctl_tcp_stdurg;
|
|
|
|
|
u8 sysctl_tcp_rfc1337;
|
|
|
|
|
u8 sysctl_tcp_abort_on_overflow;
|
|
|
|
|
u8 sysctl_tcp_fack; /* obsolete */
|
|
|
|
|
int sysctl_tcp_max_reordering;
|
|
|
|
|
int sysctl_tcp_adv_win_scale;
|
|
|
|
|
u8 sysctl_tcp_dsack;
|
|
|
|
|
u8 sysctl_tcp_app_win;
|
|
|
|
|
u8 sysctl_tcp_frto;
|
|
|
|
|
u8 sysctl_tcp_nometrics_save;
|
|
|
|
|
u8 sysctl_tcp_no_ssthresh_metrics_save;
|
|
|
|
|
u8 sysctl_tcp_moderate_rcvbuf;
|
|
|
|
|
u8 sysctl_tcp_tso_win_divisor;
|
|
|
|
|
u8 sysctl_tcp_workaround_signed_windows;
|
|
|
|
|
int sysctl_tcp_limit_output_bytes;
|
|
|
|
|
int sysctl_tcp_challenge_ack_limit;
|
|
|
|
|
int sysctl_tcp_min_rtt_wlen;
|
|
|
|
|
u8 sysctl_tcp_min_tso_segs;
|
|
|
|
|
u8 sysctl_tcp_tso_rtt_log;
|
|
|
|
|
u8 sysctl_tcp_autocorking;
|
|
|
|
|
u8 sysctl_tcp_reflect_tos;
|
|
|
|
|
int sysctl_tcp_invalid_ratelimit;
|
|
|
|
|
int sysctl_tcp_pacing_ss_ratio;
|
|
|
|
|
int sysctl_tcp_pacing_ca_ratio;
|
|
|
|
|
int sysctl_tcp_wmem[3];
|
|
|
|
|
int sysctl_tcp_rmem[3];
|
|
|
|
|
unsigned int sysctl_tcp_child_ehash_entries;
|
|
|
|
|
unsigned long sysctl_tcp_comp_sack_delay_ns;
|
|
|
|
|
unsigned long sysctl_tcp_comp_sack_slack_ns;
|
|
|
|
|
int sysctl_max_syn_backlog;
|
|
|
|
|
int sysctl_tcp_fastopen;
|
|
|
|
|
const struct tcp_congestion_ops __rcu *tcp_congestion_control;
|
|
|
|
|
struct tcp_fastopen_context __rcu *tcp_fastopen_ctx;
|
|
|
|
|
unsigned int sysctl_tcp_fastopen_blackhole_timeout;
|
|
|
|
|
atomic_t tfo_active_disable_times;
|
|
|
|
|
unsigned long tfo_active_disable_stamp;
|
|
|
|
|
u32 tcp_challenge_timestamp;
|
|
|
|
|
u32 tcp_challenge_count;
|
|
|
|
|
u8 sysctl_tcp_plb_enabled;
|
|
|
|
|
u8 sysctl_tcp_plb_idle_rehash_rounds;
|
|
|
|
|
u8 sysctl_tcp_plb_rehash_rounds;
|
|
|
|
|
u8 sysctl_tcp_plb_suspend_rto_sec;
|
|
|
|
|
int sysctl_tcp_plb_cong_thresh;
|
|
|
|
|
|
|
|
|
|
int sysctl_udp_wmem_min;
|
|
|
|
|
int sysctl_udp_rmem_min;
|
|
|
|
|
|
|
|
|
|
u8 sysctl_fib_notify_on_flag_change;
|
2023-10-24 12:59:35 +02:00
|
|
|
u8 sysctl_tcp_syn_linear_timeouts;
|
2023-08-30 17:31:07 +02:00
|
|
|
|
|
|
|
|
#ifdef CONFIG_NET_L3_MASTER_DEV
|
|
|
|
|
u8 sysctl_udp_l3mdev_accept;
|
|
|
|
|
#endif
|
|
|
|
|
|
|
|
|
|
u8 sysctl_igmp_llm_reports;
|
|
|
|
|
int sysctl_igmp_max_memberships;
|
|
|
|
|
int sysctl_igmp_max_msf;
|
|
|
|
|
int sysctl_igmp_qrv;
|
|
|
|
|
|
|
|
|
|
struct ping_group_range ping_group_range;
|
|
|
|
|
|
|
|
|
|
atomic_t dev_addr_genid;
|
|
|
|
|
|
|
|
|
|
unsigned int sysctl_udp_child_hash_entries;
|
|
|
|
|
|
|
|
|
|
#ifdef CONFIG_SYSCTL
|
|
|
|
|
unsigned long *sysctl_local_reserved_ports;
|
|
|
|
|
int sysctl_ip_prot_sock;
|
|
|
|
|
#endif
|
|
|
|
|
|
|
|
|
|
#ifdef CONFIG_IP_MROUTE
|
|
|
|
|
#ifndef CONFIG_IP_MROUTE_MULTIPLE_TABLES
|
|
|
|
|
struct mr_table *mrt;
|
|
|
|
|
#else
|
|
|
|
|
struct list_head mr_tables;
|
|
|
|
|
struct fib_rules_ops *mr_rules_ops;
|
|
|
|
|
#endif
|
|
|
|
|
#endif
|
|
|
|
|
#ifdef CONFIG_IP_ROUTE_MULTIPATH
|
|
|
|
|
u32 sysctl_fib_multipath_hash_fields;
|
|
|
|
|
u8 sysctl_fib_multipath_use_neigh;
|
|
|
|
|
u8 sysctl_fib_multipath_hash_policy;
|
|
|
|
|
#endif
|
|
|
|
|
|
|
|
|
|
struct fib_notifier_ops *notifier_ops;
|
|
|
|
|
unsigned int fib_seq; /* protected by rtnl_mutex */
|
|
|
|
|
|
|
|
|
|
struct fib_notifier_ops *ipmr_notifier_ops;
|
|
|
|
|
unsigned int ipmr_seq; /* protected by rtnl_mutex */
|
|
|
|
|
|
|
|
|
|
atomic_t rt_genid;
|
|
|
|
|
siphash_key_t ip_id_key;
|
|
|
|
|
};
|
|
|
|
|
#endif
|
