1.. SPDX-License-Identifier: GPL-2.0 2.. Copyright (C) 2023 Google LLC 3 4========================================== 5inet_sock struct fast path usage breakdown 6========================================== 7 8Type Name fastpath_tx_access fastpath_rx_access comment 9..struct ..inet_sock 10struct_sock sk read_mostly read_mostly tcp_init_buffer_space,tcp_init_transfer,tcp_finish_connect,tcp_connect,tcp_send_rcvq,tcp_send_syn_data 11struct_ipv6_pinfo* pinet6 - - 12be16 inet_sport read_mostly - __tcp_transmit_skb 13be32 inet_daddr read_mostly - ip_select_ident_segs 14be32 inet_rcv_saddr - - 15be16 inet_dport read_mostly - __tcp_transmit_skb 16u16 inet_num - - 17be32 inet_saddr - - 18s16 uc_ttl read_mostly - __ip_queue_xmit/ip_select_ttl 19u16 cmsg_flags - - 20struct_ip_options_rcu* inet_opt read_mostly - __ip_queue_xmit 21u16 inet_id read_mostly - ip_select_ident_segs 22u8 tos read_mostly - ip_queue_xmit 23u8 min_ttl - - 24u8 mc_ttl - - 25u8 pmtudisc - - 26u8:1 recverr - - 27u8:1 is_icsk - - 28u8:1 freebind - - 29u8:1 hdrincl - - 30u8:1 mc_loop - - 31u8:1 transparent - - 32u8:1 mc_all - - 33u8:1 nodefrag - - 34u8:1 bind_address_no_port - - 35u8:1 recverr_rfc4884 - - 36u8:1 defer_connect read_mostly - tcp_sendmsg_fastopen 37u8 rcv_tos - - 38u8 convert_csum - - 39int uc_index - - 40int mc_index - - 41be32 mc_addr - - 42struct_ip_mc_socklist* mc_list - - 43struct_inet_cork_full cork read_mostly - __tcp_transmit_skb 44struct local_port_range - - 45