inet_connection_sock struct fast path usage breakdown¶
| Type | Name | fastpath_tx_access | fastpath_rx_access | comment | 
|---|---|---|---|---|
| struct inet_sock | icsk_inet | read_mostly | read_mostly | tcp_init_buffer_space,tcp_init_transfer,tcp_finish_connect,tcp_connect,tcp_send_rcvq,tcp_send_syn_data | 
| struct request_sock_queue | icsk_accept_queue | |||
| struct inet_bind_bucket | icsk_bind_hash | read_mostly | tcp_set_state | |
| struct inet_bind2_bucket | icsk_bind2_hash | read_mostly | tcp_set_state,inet_put_port | |
| struct timer_list | icsk_retransmit_timer | read_write | inet_csk_reset_xmit_timer,tcp_connect | |
| struct timer_list | icsk_delack_timer | read_mostly | inet_csk_reset_xmit_timer,tcp_connect | |
| u32 | icsk_rto | read_write | tcp_cwnd_validate,tcp_schedule_loss_probe,tcp_connect_init,tcp_connect,tcp_write_xmit,tcp_push_one | |
| u32 | icsk_rto_min | |||
| u32 | icsk_rto_max | read_mostly | tcp_reset_xmit_timer | |
| u32 | icsk_delack_max | |||
| u32 | icsk_pmtu_cookie | read_write | tcp_sync_mss,tcp_current_mss,tcp_send_syn_data,tcp_connect_init,tcp_connect | |
| struct tcp_congestion_ops | icsk_ca_ops | read_write | tcp_cwnd_validate,tcp_tso_segs,tcp_ca_dst_init,tcp_connect_init,tcp_connect,tcp_write_xmit | |
| struct inet_connection_sock_af_ops | icsk_af_ops | read_mostly | tcp_finish_connect,tcp_send_syn_data,tcp_mtup_init,tcp_mtu_check_reprobe,tcp_mtu_probe,tcp_connect_init,tcp_connect,__tcp_transmit_skb | |
| struct tcp_ulp_ops* | icsk_ulp_ops | |||
| void* | icsk_ulp_data | |||
| u8:5 | icsk_ca_state | read_write | tcp_cwnd_application_limited,tcp_set_ca_state,tcp_enter_cwr,tcp_tso_should_defer,tcp_mtu_probe,tcp_schedule_loss_probe,tcp_write_xmit,__tcp_transmit_skb | |
| u8:1 | icsk_ca_initialized | read_write | tcp_init_transfer,tcp_init_congestion_control,tcp_init_transfer,tcp_finish_connect,tcp_connect | |
| u8:1 | icsk_ca_setsockopt | |||
| u8:1 | icsk_ca_dst_locked | write_mostly | tcp_ca_dst_init,tcp_connect_init,tcp_connect | |
| u8 | icsk_retransmits | write_mostly | tcp_connect_init,tcp_connect | |
| u8 | icsk_pending | read_write | inet_csk_reset_xmit_timer,tcp_connect,tcp_check_probe_timer,__tcp_push_pending_frames,tcp_rearm_rto,tcp_event_new_data_sent,tcp_event_new_data_sent | |
| u8 | icsk_backoff | write_mostly | tcp_write_queue_purge,tcp_connect_init | |
| u8 | icsk_syn_retries | |||
| u8 | icsk_probes_out | |||
| u16 | icsk_ext_hdr_len | read_mostly | __tcp_mtu_to_mss,tcp_mtu_to_rss,tcp_mtu_probe,tcp_write_xmit,tcp_mtu_to_mss, | |
| struct icsk_ack_u8 | pending | read_write | read_write | inet_csk_ack_scheduled,__tcp_cleanup_rbuf,tcp_cleanup_rbuf,inet_csk_clear_xmit_timer,tcp_event_ack-sent,inet_csk_reset_xmit_timer | 
| struct icsk_ack_u8 | quick | read_write | write_mostly | tcp_dec_quickack_mode,tcp_event_ack_sent,__tcp_transmit_skb,__tcp_select_window,__tcp_cleanup_rbuf | 
| struct icsk_ack_u8 | pingpong | |||
| struct icsk_ack_u8 | retry | write_mostly | read_write | inet_csk_clear_xmit_timer,tcp_rearm_rto,tcp_event_new_data_sent,tcp_write_xmit,__tcp_send_ack,tcp_send_ack, | 
| struct icsk_ack_u8 | ato | read_mostly | write_mostly | tcp_dec_quickack_mode,tcp_event_ack_sent,__tcp_transmit_skb,__tcp_send_ack,tcp_send_ack | 
| struct icsk_ack_u32 | lrcvtime | read_write | tcp_finish_connect,tcp_connect,tcp_event_data_sent,__tcp_transmit_skb | |
| struct icsk_ack_u16 | rcv_mss | write_mostly | read_mostly | __tcp_select_window,__tcp_cleanup_rbuf,tcp_initialize_rcv_mss,tcp_connect_init | 
| struct icsk_mtup_int | search_high | read_write | tcp_mtup_init,tcp_sync_mss,tcp_connect_init,tcp_mtu_check_reprobe,tcp_write_xmit | |
| struct icsk_mtup_int | search_low | read_write | tcp_mtu_probe,tcp_mtu_check_reprobe,tcp_write_xmit,tcp_sync_mss,tcp_connect_init,tcp_mtup_init | |
| struct icsk_mtup_u32:31 | probe_size | read_write | tcp_mtup_init,tcp_connect_init,__tcp_transmit_skb | |
| struct icsk_mtup_u32:1 | enabled | read_write | tcp_mtup_init,tcp_sync_mss,tcp_connect_init,tcp_mtu_probe,tcp_write_xmit | |
| struct icsk_mtup_u32 | probe_timestamp | read_write | tcp_mtup_init,tcp_connect_init,tcp_mtu_check_reprobe,tcp_mtu_probe | |
| u32 | icsk_probes_tstamp | |||
| u32 | icsk_user_timeout | |||
| u64[104/sizeof(u64)] | icsk_ca_priv |