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-rw-r--r--Documentation/networking/net_cachelines/netns_ipv4_sysctl.rst302
1 files changed, 153 insertions, 149 deletions
diff --git a/Documentation/networking/net_cachelines/netns_ipv4_sysctl.rst b/Documentation/networking/net_cachelines/netns_ipv4_sysctl.rst
index 9b87089a84c6..6e7b20afd2d4 100644
--- a/Documentation/networking/net_cachelines/netns_ipv4_sysctl.rst
+++ b/Documentation/networking/net_cachelines/netns_ipv4_sysctl.rst
@@ -5,154 +5,158 @@
netns_ipv4 struct fast path usage breakdown
===========================================
+=============================== ============================================ =================== =================== =================================================
Type Name fastpath_tx_access fastpath_rx_access comment
-..struct ..netns_ipv4
-struct_inet_timewait_death_row tcp_death_row
-struct_udp_table* udp_table
-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
-struct_ipv4_devconf* devconf_all
-struct_ipv4_devconf* devconf_dflt
-struct_ip_ra_chain ra_chain
-struct_mutex ra_mutex
-struct_fib_rules_ops* rules_ops
-struct_fib_table fib_main
-struct_fib_table fib_default
-unsigned_int fib_rules_require_fldissect
-bool fib_has_custom_rules
-bool fib_has_custom_local_routes
-bool fib_offload_disabled
-atomic_t fib_num_tclassid_users
-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 - - ip4_dst_hoplimit/ip_select_ttl
-u8 sysctl_ip_no_pmtu_disc - -
-u8 sysctl_ip_fwd_use_pmtu read_mostly - ip_dst_mtu_maybe_forward/ip_skb_dst_mtu
-u8 sysctl_ip_fwd_update_priority - - ip_forward
-u8 sysctl_ip_nonlocal_bind - -
-u8 sysctl_ip_autobind_reuse - -
-u8 sysctl_ip_dynaddr - -
-u8 sysctl_ip_early_demux - read_mostly ip(6)_rcv_finish_core
-u8 sysctl_raw_l3mdev_accept - -
-u8 sysctl_tcp_early_demux - read_mostly ip(6)_rcv_finish_core
-u8 sysctl_udp_early_demux
-u8 sysctl_nexthop_compat_mode - -
-u8 sysctl_fwmark_reflect - -
-u8 sysctl_tcp_fwmark_accept - -
-u8 sysctl_tcp_l3mdev_accept - -
-u8 sysctl_tcp_mtu_probing - -
-int sysctl_tcp_mtu_probe_floor - -
-int sysctl_tcp_base_mss - -
-int sysctl_tcp_min_snd_mss read_mostly - __tcp_mtu_to_mss(tcp_write_xmit)
-int sysctl_tcp_probe_threshold - - tcp_mtu_probe(tcp_write_xmit)
-u32 sysctl_tcp_probe_interval - - tcp_mtu_check_reprobe(tcp_write_xmit)
-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 - - generated_on_syn
-u8 sysctl_tcp_migrate_req - - reuseport
-u8 sysctl_tcp_comp_sack_nr - - __tcp_ack_snd_check
-int sysctl_tcp_reordering - read_mostly tcp_may_raise_cwnd/tcp_cong_control
-u8 sysctl_tcp_retries1 - -
-u8 sysctl_tcp_retries2 - -
-u8 sysctl_tcp_orphan_retries - -
-u8 sysctl_tcp_tw_reuse - - timewait_sock_ops
-int sysctl_tcp_fin_timeout - - TCP_LAST_ACK/tcp_rcv_state_process
-unsigned_int sysctl_tcp_notsent_lowat read_mostly - tcp_notsent_lowat/tcp_stream_memory_free
-u8 sysctl_tcp_sack - - tcp_syn_options
-u8 sysctl_tcp_window_scaling - - tcp_syn_options,tcp_parse_options
-u8 sysctl_tcp_timestamps
-u8 sysctl_tcp_early_retrans read_mostly - tcp_schedule_loss_probe(tcp_write_xmit)
-u8 sysctl_tcp_recovery - - tcp_fastretrans_alert
-u8 sysctl_tcp_thin_linear_timeouts - - tcp_retrans_timer(on_thin_streams)
-u8 sysctl_tcp_slow_start_after_idle - - unlikely(tcp_cwnd_validate-network-not-starved)
-u8 sysctl_tcp_retrans_collapse - -
-u8 sysctl_tcp_stdurg - - unlikely(tcp_check_urg)
-u8 sysctl_tcp_rfc1337 - -
-u8 sysctl_tcp_abort_on_overflow - -
-u8 sysctl_tcp_fack - -
-int sysctl_tcp_max_reordering - - tcp_check_sack_reordering
-int sysctl_tcp_adv_win_scale - - tcp_init_buffer_space
-u8 sysctl_tcp_dsack - - partial_packet_or_retrans_in_tcp_data_queue
-u8 sysctl_tcp_app_win - - tcp_win_from_space
-u8 sysctl_tcp_frto - - tcp_enter_loss
-u8 sysctl_tcp_nometrics_save - - TCP_LAST_ACK/tcp_update_metrics
-u8 sysctl_tcp_no_ssthresh_metrics_save - - TCP_LAST_ACK/tcp_(update/init)_metrics
+=============================== ============================================ =================== =================== =================================================
+struct_inet_timewait_death_row tcp_death_row
+struct_udp_table* udp_table
+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
+struct_ipv4_devconf* devconf_all
+struct_ipv4_devconf* devconf_dflt
+struct_ip_ra_chain ra_chain
+struct_mutex ra_mutex
+struct_fib_rules_ops* rules_ops
+struct_fib_table fib_main
+struct_fib_table fib_default
+unsigned_int fib_rules_require_fldissect
+bool fib_has_custom_rules
+bool fib_has_custom_local_routes
+bool fib_offload_disabled
+atomic_t fib_num_tclassid_users
+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 ip4_dst_hoplimit/ip_select_ttl
+u8 sysctl_ip_no_pmtu_disc
+u8 sysctl_ip_fwd_use_pmtu read_mostly ip_dst_mtu_maybe_forward/ip_skb_dst_mtu
+u8 sysctl_ip_fwd_update_priority ip_forward
+u8 sysctl_ip_nonlocal_bind
+u8 sysctl_ip_autobind_reuse
+u8 sysctl_ip_dynaddr
+u8 sysctl_ip_early_demux read_mostly ip(6)_rcv_finish_core
+u8 sysctl_raw_l3mdev_accept
+u8 sysctl_tcp_early_demux read_mostly ip(6)_rcv_finish_core
+u8 sysctl_udp_early_demux
+u8 sysctl_nexthop_compat_mode
+u8 sysctl_fwmark_reflect
+u8 sysctl_tcp_fwmark_accept
+u8 sysctl_tcp_l3mdev_accept read_mostly __inet6_lookup_established/inet_request_bound_dev_if
+u8 sysctl_tcp_mtu_probing
+int sysctl_tcp_mtu_probe_floor
+int sysctl_tcp_base_mss
+int sysctl_tcp_min_snd_mss read_mostly __tcp_mtu_to_mss(tcp_write_xmit)
+int sysctl_tcp_probe_threshold tcp_mtu_probe(tcp_write_xmit)
+u32 sysctl_tcp_probe_interval tcp_mtu_check_reprobe(tcp_write_xmit)
+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 generated_on_syn
+u8 sysctl_tcp_migrate_req reuseport
+u8 sysctl_tcp_comp_sack_nr __tcp_ack_snd_check
+int sysctl_tcp_reordering read_mostly tcp_may_raise_cwnd/tcp_cong_control
+u8 sysctl_tcp_retries1
+u8 sysctl_tcp_retries2
+u8 sysctl_tcp_orphan_retries
+u8 sysctl_tcp_tw_reuse timewait_sock_ops
+unsigned_int sysctl_tcp_tw_reuse_delay timewait_sock_ops
+int sysctl_tcp_fin_timeout TCP_LAST_ACK/tcp_rcv_state_process
+unsigned_int sysctl_tcp_notsent_lowat read_mostly tcp_notsent_lowat/tcp_stream_memory_free
+u8 sysctl_tcp_sack tcp_syn_options
+u8 sysctl_tcp_window_scaling tcp_syn_options,tcp_parse_options
+u8 sysctl_tcp_timestamps
+u8 sysctl_tcp_early_retrans read_mostly tcp_schedule_loss_probe(tcp_write_xmit)
+u32 sysctl_tcp_rto_max_ms
+u8 sysctl_tcp_recovery tcp_fastretrans_alert
+u8 sysctl_tcp_thin_linear_timeouts tcp_retrans_timer(on_thin_streams)
+u8 sysctl_tcp_slow_start_after_idle unlikely(tcp_cwnd_validate-network-not-starved)
+u8 sysctl_tcp_retrans_collapse
+u8 sysctl_tcp_stdurg unlikely(tcp_check_urg)
+u8 sysctl_tcp_rfc1337
+u8 sysctl_tcp_abort_on_overflow
+u8 sysctl_tcp_fack
+int sysctl_tcp_max_reordering tcp_check_sack_reordering
+int sysctl_tcp_adv_win_scale tcp_init_buffer_space
+u8 sysctl_tcp_dsack partial_packet_or_retrans_in_tcp_data_queue
+u8 sysctl_tcp_app_win tcp_win_from_space
+u8 sysctl_tcp_frto tcp_enter_loss
+u8 sysctl_tcp_nometrics_save TCP_LAST_ACK/tcp_update_metrics
+u8 sysctl_tcp_no_ssthresh_metrics_save TCP_LAST_ACK/tcp_(update/init)_metrics
u8 sysctl_tcp_moderate_rcvbuf read_mostly read_mostly tcp_tso_should_defer(tx);tcp_rcv_space_adjust(rx)
-u8 sysctl_tcp_tso_win_divisor read_mostly - tcp_tso_should_defer(tcp_write_xmit)
-u8 sysctl_tcp_workaround_signed_windows - - tcp_select_window
-int sysctl_tcp_limit_output_bytes read_mostly - tcp_small_queue_check(tcp_write_xmit)
-int sysctl_tcp_challenge_ack_limit - -
-int sysctl_tcp_min_rtt_wlen read_mostly - tcp_ack_update_rtt
-u8 sysctl_tcp_min_tso_segs - - unlikely(icsk_ca_ops-written)
-u8 sysctl_tcp_tso_rtt_log read_mostly - tcp_tso_autosize
-u8 sysctl_tcp_autocorking read_mostly - tcp_push/tcp_should_autocork
-u8 sysctl_tcp_reflect_tos - - tcp_v(4/6)_send_synack
-int sysctl_tcp_invalid_ratelimit - -
-int sysctl_tcp_pacing_ss_ratio - - default_cong_cont(tcp_update_pacing_rate)
-int sysctl_tcp_pacing_ca_ratio - - default_cong_cont(tcp_update_pacing_rate)
-int sysctl_tcp_wmem[3] read_mostly - tcp_wmem_schedule(sendmsg/sendpage)
-int sysctl_tcp_rmem[3] - read_mostly __tcp_grow_window(tx),tcp_rcv_space_adjust(rx)
-unsigned_int sysctl_tcp_child_ehash_entries
-unsigned_long sysctl_tcp_comp_sack_delay_ns - - __tcp_ack_snd_check
-unsigned_long sysctl_tcp_comp_sack_slack_ns - - __tcp_ack_snd_check
-int sysctl_max_syn_backlog - -
-int sysctl_tcp_fastopen - -
-struct_tcp_congestion_ops tcp_congestion_control - - init_cc
-struct_tcp_fastopen_context 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
-u8 sysctl_udp_l3mdev_accept
-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
-unsigned_long* sysctl_local_reserved_ports
-int sysctl_ip_prot_sock
-struct_mr_table* mrt
-struct_list_head mr_tables
-struct_fib_rules_ops* mr_rules_ops
-u32 sysctl_fib_multipath_hash_fields
-u8 sysctl_fib_multipath_use_neigh
-u8 sysctl_fib_multipath_hash_policy
-struct_fib_notifier_ops* notifier_ops
-unsigned_int fib_seq
-struct_fib_notifier_ops* ipmr_notifier_ops
-unsigned_int ipmr_seq
-atomic_t rt_genid
-siphash_key_t ip_id_key
+u8 sysctl_tcp_tso_win_divisor read_mostly tcp_tso_should_defer(tcp_write_xmit)
+u8 sysctl_tcp_workaround_signed_windows tcp_select_window
+int sysctl_tcp_limit_output_bytes read_mostly tcp_small_queue_check(tcp_write_xmit)
+int sysctl_tcp_challenge_ack_limit
+int sysctl_tcp_min_rtt_wlen read_mostly tcp_ack_update_rtt
+u8 sysctl_tcp_min_tso_segs unlikely(icsk_ca_ops-written)
+u8 sysctl_tcp_tso_rtt_log read_mostly tcp_tso_autosize
+u8 sysctl_tcp_autocorking read_mostly tcp_push/tcp_should_autocork
+u8 sysctl_tcp_reflect_tos tcp_v(4/6)_send_synack
+int sysctl_tcp_invalid_ratelimit
+int sysctl_tcp_pacing_ss_ratio default_cong_cont(tcp_update_pacing_rate)
+int sysctl_tcp_pacing_ca_ratio default_cong_cont(tcp_update_pacing_rate)
+int sysctl_tcp_wmem[3] read_mostly tcp_wmem_schedule(sendmsg/sendpage)
+int sysctl_tcp_rmem[3] read_mostly __tcp_grow_window(tx),tcp_rcv_space_adjust(rx)
+unsigned_int sysctl_tcp_child_ehash_entries
+unsigned_long sysctl_tcp_comp_sack_delay_ns __tcp_ack_snd_check
+unsigned_long sysctl_tcp_comp_sack_slack_ns __tcp_ack_snd_check
+int sysctl_max_syn_backlog
+int sysctl_tcp_fastopen
+struct_tcp_congestion_ops tcp_congestion_control init_cc
+struct_tcp_fastopen_context 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
+u8 sysctl_udp_l3mdev_accept
+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
+unsigned_long* sysctl_local_reserved_ports
+int sysctl_ip_prot_sock
+struct_mr_table* mrt
+struct_list_head mr_tables
+struct_fib_rules_ops* mr_rules_ops
+u32 sysctl_fib_multipath_hash_fields
+u8 sysctl_fib_multipath_use_neigh
+u8 sysctl_fib_multipath_hash_policy
+struct_fib_notifier_ops* notifier_ops
+unsigned_int fib_seq
+struct_fib_notifier_ops* ipmr_notifier_ops
+unsigned_int ipmr_seq
+atomic_t rt_genid
+siphash_key_t ip_id_key
+=============================== ============================================ =================== =================== =================================================