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d677aebd66
sysctl_tcp_l3mdev_accept is read from TCP receive fast path from tcp_v6_early_demux(), __inet6_lookup_established, inet_request_bound_dev_if(). Move it to netns_ipv4_read_rx. Remove the '#ifdef CONFIG_NET_L3_MASTER_DEV' that was guarding its definition. Note this adds a hole of three bytes that could be filled later. Signed-off-by: Eric Dumazet <edumazet@google.com> Reviewed-by: David Ahern <dsahern@kernel.org> Cc: Wei Wang <weiwan@google.com> Cc: Coco Li <lixiaoyan@google.com> Link: https://patch.msgid.link/20241010034100.320832-1-edumazet@google.com Signed-off-by: Jakub Kicinski <kuba@kernel.org>
161 lines
13 KiB
ReStructuredText
161 lines
13 KiB
ReStructuredText
.. SPDX-License-Identifier: GPL-2.0
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.. Copyright (C) 2023 Google LLC
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===========================================
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netns_ipv4 struct fast path usage breakdown
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===========================================
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=============================== ============================================ =================== =================== =================================================
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Type Name fastpath_tx_access fastpath_rx_access comment
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=============================== ============================================ =================== =================== =================================================
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struct_inet_timewait_death_row tcp_death_row
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struct_udp_table* udp_table
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struct_ctl_table_header* forw_hdr
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struct_ctl_table_header* frags_hdr
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struct_ctl_table_header* ipv4_hdr
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struct_ctl_table_header* route_hdr
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struct_ctl_table_header* xfrm4_hdr
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struct_ipv4_devconf* devconf_all
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struct_ipv4_devconf* devconf_dflt
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struct_ip_ra_chain ra_chain
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struct_mutex ra_mutex
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struct_fib_rules_ops* rules_ops
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struct_fib_table fib_main
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struct_fib_table fib_default
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unsigned_int fib_rules_require_fldissect
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bool fib_has_custom_rules
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bool fib_has_custom_local_routes
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bool fib_offload_disabled
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atomic_t fib_num_tclassid_users
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struct_hlist_head* fib_table_hash
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struct_sock* fibnl
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struct_sock* mc_autojoin_sk
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struct_inet_peer_base* peers
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struct_fqdir* fqdir
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u8 sysctl_icmp_echo_ignore_all
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u8 sysctl_icmp_echo_enable_probe
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u8 sysctl_icmp_echo_ignore_broadcasts
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u8 sysctl_icmp_ignore_bogus_error_responses
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u8 sysctl_icmp_errors_use_inbound_ifaddr
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int sysctl_icmp_ratelimit
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int sysctl_icmp_ratemask
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u32 ip_rt_min_pmtu
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int ip_rt_mtu_expires
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int ip_rt_min_advmss
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struct_local_ports ip_local_ports
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u8 sysctl_tcp_ecn
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u8 sysctl_tcp_ecn_fallback
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u8 sysctl_ip_default_ttl ip4_dst_hoplimit/ip_select_ttl
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u8 sysctl_ip_no_pmtu_disc
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u8 sysctl_ip_fwd_use_pmtu read_mostly ip_dst_mtu_maybe_forward/ip_skb_dst_mtu
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u8 sysctl_ip_fwd_update_priority ip_forward
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u8 sysctl_ip_nonlocal_bind
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u8 sysctl_ip_autobind_reuse
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u8 sysctl_ip_dynaddr
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u8 sysctl_ip_early_demux read_mostly ip(6)_rcv_finish_core
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u8 sysctl_raw_l3mdev_accept
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u8 sysctl_tcp_early_demux read_mostly ip(6)_rcv_finish_core
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u8 sysctl_udp_early_demux
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u8 sysctl_nexthop_compat_mode
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u8 sysctl_fwmark_reflect
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u8 sysctl_tcp_fwmark_accept
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u8 sysctl_tcp_l3mdev_accept read_mostly __inet6_lookup_established/inet_request_bound_dev_if
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u8 sysctl_tcp_mtu_probing
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int sysctl_tcp_mtu_probe_floor
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int sysctl_tcp_base_mss
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int sysctl_tcp_min_snd_mss read_mostly __tcp_mtu_to_mss(tcp_write_xmit)
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int sysctl_tcp_probe_threshold tcp_mtu_probe(tcp_write_xmit)
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u32 sysctl_tcp_probe_interval tcp_mtu_check_reprobe(tcp_write_xmit)
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int sysctl_tcp_keepalive_time
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int sysctl_tcp_keepalive_intvl
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u8 sysctl_tcp_keepalive_probes
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u8 sysctl_tcp_syn_retries
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u8 sysctl_tcp_synack_retries
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u8 sysctl_tcp_syncookies generated_on_syn
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u8 sysctl_tcp_migrate_req reuseport
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u8 sysctl_tcp_comp_sack_nr __tcp_ack_snd_check
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int sysctl_tcp_reordering read_mostly tcp_may_raise_cwnd/tcp_cong_control
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u8 sysctl_tcp_retries1
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u8 sysctl_tcp_retries2
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u8 sysctl_tcp_orphan_retries
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u8 sysctl_tcp_tw_reuse timewait_sock_ops
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int sysctl_tcp_fin_timeout TCP_LAST_ACK/tcp_rcv_state_process
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unsigned_int sysctl_tcp_notsent_lowat read_mostly tcp_notsent_lowat/tcp_stream_memory_free
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u8 sysctl_tcp_sack tcp_syn_options
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u8 sysctl_tcp_window_scaling tcp_syn_options,tcp_parse_options
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u8 sysctl_tcp_timestamps
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u8 sysctl_tcp_early_retrans read_mostly tcp_schedule_loss_probe(tcp_write_xmit)
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u8 sysctl_tcp_recovery tcp_fastretrans_alert
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u8 sysctl_tcp_thin_linear_timeouts tcp_retrans_timer(on_thin_streams)
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u8 sysctl_tcp_slow_start_after_idle unlikely(tcp_cwnd_validate-network-not-starved)
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u8 sysctl_tcp_retrans_collapse
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u8 sysctl_tcp_stdurg unlikely(tcp_check_urg)
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u8 sysctl_tcp_rfc1337
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u8 sysctl_tcp_abort_on_overflow
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u8 sysctl_tcp_fack
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int sysctl_tcp_max_reordering tcp_check_sack_reordering
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int sysctl_tcp_adv_win_scale tcp_init_buffer_space
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u8 sysctl_tcp_dsack partial_packet_or_retrans_in_tcp_data_queue
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u8 sysctl_tcp_app_win tcp_win_from_space
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u8 sysctl_tcp_frto tcp_enter_loss
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u8 sysctl_tcp_nometrics_save TCP_LAST_ACK/tcp_update_metrics
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u8 sysctl_tcp_no_ssthresh_metrics_save TCP_LAST_ACK/tcp_(update/init)_metrics
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u8 sysctl_tcp_moderate_rcvbuf read_mostly read_mostly tcp_tso_should_defer(tx);tcp_rcv_space_adjust(rx)
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u8 sysctl_tcp_tso_win_divisor read_mostly tcp_tso_should_defer(tcp_write_xmit)
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u8 sysctl_tcp_workaround_signed_windows tcp_select_window
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int sysctl_tcp_limit_output_bytes read_mostly tcp_small_queue_check(tcp_write_xmit)
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int sysctl_tcp_challenge_ack_limit
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int sysctl_tcp_min_rtt_wlen read_mostly tcp_ack_update_rtt
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u8 sysctl_tcp_min_tso_segs unlikely(icsk_ca_ops-written)
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u8 sysctl_tcp_tso_rtt_log read_mostly tcp_tso_autosize
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u8 sysctl_tcp_autocorking read_mostly tcp_push/tcp_should_autocork
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u8 sysctl_tcp_reflect_tos tcp_v(4/6)_send_synack
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int sysctl_tcp_invalid_ratelimit
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int sysctl_tcp_pacing_ss_ratio default_cong_cont(tcp_update_pacing_rate)
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int sysctl_tcp_pacing_ca_ratio default_cong_cont(tcp_update_pacing_rate)
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int sysctl_tcp_wmem[3] read_mostly tcp_wmem_schedule(sendmsg/sendpage)
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int sysctl_tcp_rmem[3] read_mostly __tcp_grow_window(tx),tcp_rcv_space_adjust(rx)
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unsigned_int sysctl_tcp_child_ehash_entries
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unsigned_long sysctl_tcp_comp_sack_delay_ns __tcp_ack_snd_check
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unsigned_long sysctl_tcp_comp_sack_slack_ns __tcp_ack_snd_check
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int sysctl_max_syn_backlog
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int sysctl_tcp_fastopen
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struct_tcp_congestion_ops tcp_congestion_control init_cc
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struct_tcp_fastopen_context tcp_fastopen_ctx
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unsigned_int sysctl_tcp_fastopen_blackhole_timeout
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atomic_t tfo_active_disable_times
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unsigned_long tfo_active_disable_stamp
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u32 tcp_challenge_timestamp
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u32 tcp_challenge_count
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u8 sysctl_tcp_plb_enabled
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u8 sysctl_tcp_plb_idle_rehash_rounds
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u8 sysctl_tcp_plb_rehash_rounds
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u8 sysctl_tcp_plb_suspend_rto_sec
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int sysctl_tcp_plb_cong_thresh
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int sysctl_udp_wmem_min
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int sysctl_udp_rmem_min
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u8 sysctl_fib_notify_on_flag_change
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u8 sysctl_udp_l3mdev_accept
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u8 sysctl_igmp_llm_reports
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int sysctl_igmp_max_memberships
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int sysctl_igmp_max_msf
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int sysctl_igmp_qrv
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struct_ping_group_range ping_group_range
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atomic_t dev_addr_genid
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unsigned_int sysctl_udp_child_hash_entries
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unsigned_long* sysctl_local_reserved_ports
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int sysctl_ip_prot_sock
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struct_mr_table* mrt
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struct_list_head mr_tables
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struct_fib_rules_ops* mr_rules_ops
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u32 sysctl_fib_multipath_hash_fields
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u8 sysctl_fib_multipath_use_neigh
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u8 sysctl_fib_multipath_hash_policy
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struct_fib_notifier_ops* notifier_ops
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unsigned_int fib_seq
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struct_fib_notifier_ops* ipmr_notifier_ops
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unsigned_int ipmr_seq
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atomic_t rt_genid
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siphash_key_t ip_id_key
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=============================== ============================================ =================== =================== =================================================
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