1 .. SPDX-License-Identifier: GPL-2.0 2 .. Copyright (C) 2023 Google LLC 3 4 =========================================== 5 netns_ipv4 struct fast path usage breakdown 6 =========================================== 7 8 Type Name fastpath_tx_access fastpath_rx_access comment 9 ..struct ..netns_ipv4 10 struct_inet_timewait_death_row tcp_death_row 11 struct_udp_table* udp_table 12 struct_ctl_table_header* forw_hdr 13 struct_ctl_table_header* frags_hdr 14 struct_ctl_table_header* ipv4_hdr 15 struct_ctl_table_header* route_hdr 16 struct_ctl_table_header* xfrm4_hdr 17 struct_ipv4_devconf* devconf_all 18 struct_ipv4_devconf* devconf_dflt 19 struct_ip_ra_chain ra_chain 20 struct_mutex ra_mutex 21 struct_fib_rules_ops* rules_ops 22 struct_fib_table fib_main 23 struct_fib_table fib_default 24 unsigned_int fib_rules_require_fldissect 25 bool fib_has_custom_rules 26 bool fib_has_custom_local_routes 27 bool fib_offload_disabled 28 atomic_t fib_num_tclassid_users 29 struct_hlist_head* fib_table_hash 30 struct_sock* fibnl 31 struct_sock* mc_autojoin_sk 32 struct_inet_peer_base* peers 33 struct_fqdir* fqdir 34 u8 sysctl_icmp_echo_ignore_all 35 u8 sysctl_icmp_echo_enable_probe 36 u8 sysctl_icmp_echo_ignore_broadcasts 37 u8 sysctl_icmp_ignore_bogus_error_responses 38 u8 sysctl_icmp_errors_use_inbound_ifaddr 39 int sysctl_icmp_ratelimit 40 int sysctl_icmp_ratemask 41 u32 ip_rt_min_pmtu - - 42 int ip_rt_mtu_expires - - 43 int ip_rt_min_advmss - - 44 struct_local_ports ip_local_ports - - 45 u8 sysctl_tcp_ecn - - 46 u8 sysctl_tcp_ecn_fallback - - 47 u8 sysctl_ip_default_ttl - - ip4_dst_hoplimit/ip_select_ttl 48 u8 sysctl_ip_no_pmtu_disc - - 49 u8 sysctl_ip_fwd_use_pmtu read_mostly - ip_dst_mtu_maybe_forward/ip_skb_dst_mtu 50 u8 sysctl_ip_fwd_update_priority - - ip_forward 51 u8 sysctl_ip_nonlocal_bind - - 52 u8 sysctl_ip_autobind_reuse - - 53 u8 sysctl_ip_dynaddr - - 54 u8 sysctl_ip_early_demux - read_mostly ip(6)_rcv_finish_core 55 u8 sysctl_raw_l3mdev_accept - - 56 u8 sysctl_tcp_early_demux - read_mostly ip(6)_rcv_finish_core 57 u8 sysctl_udp_early_demux 58 u8 sysctl_nexthop_compat_mode - - 59 u8 sysctl_fwmark_reflect - - 60 u8 sysctl_tcp_fwmark_accept - - 61 u8 sysctl_tcp_l3mdev_accept - - 62 u8 sysctl_tcp_mtu_probing - - 63 int sysctl_tcp_mtu_probe_floor - - 64 int sysctl_tcp_base_mss - - 65 int sysctl_tcp_min_snd_mss read_mostly - __tcp_mtu_to_mss(tcp_write_xmit) 66 int sysctl_tcp_probe_threshold - - tcp_mtu_probe(tcp_write_xmit) 67 u32 sysctl_tcp_probe_interval - - tcp_mtu_check_reprobe(tcp_write_xmit) 68 int sysctl_tcp_keepalive_time - - 69 int sysctl_tcp_keepalive_intvl - - 70 u8 sysctl_tcp_keepalive_probes - - 71 u8 sysctl_tcp_syn_retries - - 72 u8 sysctl_tcp_synack_retries - - 73 u8 sysctl_tcp_syncookies - - generated_on_syn 74 u8 sysctl_tcp_migrate_req - - reuseport 75 u8 sysctl_tcp_comp_sack_nr - - __tcp_ack_snd_check 76 int sysctl_tcp_reordering - read_mostly tcp_may_raise_cwnd/tcp_cong_control 77 u8 sysctl_tcp_retries1 - - 78 u8 sysctl_tcp_retries2 - - 79 u8 sysctl_tcp_orphan_retries - - 80 u8 sysctl_tcp_tw_reuse - - timewait_sock_ops 81 int sysctl_tcp_fin_timeout - - TCP_LAST_ACK/tcp_rcv_state_process 82 unsigned_int sysctl_tcp_notsent_lowat read_mostly - tcp_notsent_lowat/tcp_stream_memory_free 83 u8 sysctl_tcp_sack - - tcp_syn_options 84 u8 sysctl_tcp_window_scaling - - tcp_syn_options,tcp_parse_options 85 u8 sysctl_tcp_timestamps 86 u8 sysctl_tcp_early_retrans read_mostly - tcp_schedule_loss_probe(tcp_write_xmit) 87 u8 sysctl_tcp_recovery - - tcp_fastretrans_alert 88 u8 sysctl_tcp_thin_linear_timeouts - - tcp_retrans_timer(on_thin_streams) 89 u8 sysctl_tcp_slow_start_after_idle - - unlikely(tcp_cwnd_validate-network-not-starved) 90 u8 sysctl_tcp_retrans_collapse - - 91 u8 sysctl_tcp_stdurg - - unlikely(tcp_check_urg) 92 u8 sysctl_tcp_rfc1337 - - 93 u8 sysctl_tcp_abort_on_overflow - - 94 u8 sysctl_tcp_fack - - 95 int sysctl_tcp_max_reordering - - tcp_check_sack_reordering 96 int sysctl_tcp_adv_win_scale - - tcp_init_buffer_space 97 u8 sysctl_tcp_dsack - - partial_packet_or_retrans_in_tcp_data_queue 98 u8 sysctl_tcp_app_win - - tcp_win_from_space 99 u8 sysctl_tcp_frto - - tcp_enter_loss 100 u8 sysctl_tcp_nometrics_save - - TCP_LAST_ACK/tcp_update_metrics 101 u8 sysctl_tcp_no_ssthresh_metrics_save - - TCP_LAST_ACK/tcp_(update/init)_metrics 102 u8 sysctl_tcp_moderate_rcvbuf read_mostly read_mostly tcp_tso_should_defer(tx);tcp_rcv_space_adjust(rx) 103 u8 sysctl_tcp_tso_win_divisor read_mostly - tcp_tso_should_defer(tcp_write_xmit) 104 u8 sysctl_tcp_workaround_signed_windows - - tcp_select_window 105 int sysctl_tcp_limit_output_bytes read_mostly - tcp_small_queue_check(tcp_write_xmit) 106 int sysctl_tcp_challenge_ack_limit - - 107 int sysctl_tcp_min_rtt_wlen read_mostly - tcp_ack_update_rtt 108 u8 sysctl_tcp_min_tso_segs - - unlikely(icsk_ca_ops-written) 109 u8 sysctl_tcp_tso_rtt_log read_mostly - tcp_tso_autosize 110 u8 sysctl_tcp_autocorking read_mostly - tcp_push/tcp_should_autocork 111 u8 sysctl_tcp_reflect_tos - - tcp_v(4/6)_send_synack 112 int sysctl_tcp_invalid_ratelimit - - 113 int sysctl_tcp_pacing_ss_ratio - - default_cong_cont(tcp_update_pacing_rate) 114 int sysctl_tcp_pacing_ca_ratio - - default_cong_cont(tcp_update_pacing_rate) 115 int sysctl_tcp_wmem[3] read_mostly - tcp_wmem_schedule(sendmsg/sendpage) 116 int sysctl_tcp_rmem[3] - read_mostly __tcp_grow_window(tx),tcp_rcv_space_adjust(rx) 117 unsigned_int sysctl_tcp_child_ehash_entries 118 unsigned_long sysctl_tcp_comp_sack_delay_ns - - __tcp_ack_snd_check 119 unsigned_long sysctl_tcp_comp_sack_slack_ns - - __tcp_ack_snd_check 120 int sysctl_max_syn_backlog - - 121 int sysctl_tcp_fastopen - - 122 struct_tcp_congestion_ops tcp_congestion_control - - init_cc 123 struct_tcp_fastopen_context tcp_fastopen_ctx - - 124 unsigned_int sysctl_tcp_fastopen_blackhole_timeout - - 125 atomic_t tfo_active_disable_times - - 126 unsigned_long tfo_active_disable_stamp - - 127 u32 tcp_challenge_timestamp - - 128 u32 tcp_challenge_count - - 129 u8 sysctl_tcp_plb_enabled - - 130 u8 sysctl_tcp_plb_idle_rehash_rounds - - 131 u8 sysctl_tcp_plb_rehash_rounds - - 132 u8 sysctl_tcp_plb_suspend_rto_sec - - 133 int sysctl_tcp_plb_cong_thresh - - 134 int sysctl_udp_wmem_min 135 int sysctl_udp_rmem_min 136 u8 sysctl_fib_notify_on_flag_change 137 u8 sysctl_udp_l3mdev_accept 138 u8 sysctl_igmp_llm_reports 139 int sysctl_igmp_max_memberships 140 int sysctl_igmp_max_msf 141 int sysctl_igmp_qrv 142 struct_ping_group_range ping_group_range 143 atomic_t dev_addr_genid 144 unsigned_int sysctl_udp_child_hash_entries 145 unsigned_long* sysctl_local_reserved_ports 146 int sysctl_ip_prot_sock 147 struct_mr_table* mrt 148 struct_list_head mr_tables 149 struct_fib_rules_ops* mr_rules_ops 150 u32 sysctl_fib_multipath_hash_fields 151 u8 sysctl_fib_multipath_use_neigh 152 u8 sysctl_fib_multipath_hash_policy 153 struct_fib_notifier_ops* notifier_ops 154 unsigned_int fib_seq 155 struct_fib_notifier_ops* ipmr_notifier_ops 156 unsigned_int ipmr_seq 157 atomic_t rt_genid 158 siphash_key_t ip_id_key
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