DepSurf

Struct: `tcp_sock`

Status

Regular

In 4.4: ✅

struct tcp_sock {
    struct inet_connection_sock inet_conn;
    u16 tcp_header_len;
    u16 gso_segs;
    __be32 pred_flags;
    u64 bytes_received;
    u32 segs_in;
    u32 rcv_nxt;
    u32 copied_seq;
    u32 rcv_wup;
    u32 snd_nxt;
    u32 segs_out;
    u64 bytes_acked;
    struct u64_stats_sync syncp;
    u32 snd_una;
    u32 snd_sml;
    u32 rcv_tstamp;
    u32 lsndtime;
    u32 last_oow_ack_time;
    u32 tsoffset;
    struct list_head tsq_node;
    long unsigned int tsq_flags;
    struct (anon) ucopy;
    u32 snd_wl1;
    u32 snd_wnd;
    u32 max_window;
    u32 mss_cache;
    u32 window_clamp;
    u32 rcv_ssthresh;
    struct tcp_rack rack;
    u16 advmss;
    u8 unused;
    u8 nonagle;
    u8 thin_lto;
    u8 thin_dupack;
    u8 repair;
    u8 frto;
    u8 repair_queue;
    u8 do_early_retrans;
    u8 syn_data;
    u8 syn_fastopen;
    u8 syn_fastopen_exp;
    u8 syn_data_acked;
    u8 save_syn;
    u8 is_cwnd_limited;
    u32 tlp_high_seq;
    u32 srtt_us;
    u32 mdev_us;
    u32 mdev_max_us;
    u32 rttvar_us;
    u32 rtt_seq;
    struct rtt_meas rtt_min[3];
    u32 packets_out;
    u32 retrans_out;
    u32 max_packets_out;
    u32 max_packets_seq;
    u16 urg_data;
    u8 ecn_flags;
    u8 keepalive_probes;
    u32 reordering;
    u32 snd_up;
    struct tcp_options_received rx_opt;
    u32 snd_ssthresh;
    u32 snd_cwnd;
    u32 snd_cwnd_cnt;
    u32 snd_cwnd_clamp;
    u32 snd_cwnd_used;
    u32 snd_cwnd_stamp;
    u32 prior_cwnd;
    u32 prr_delivered;
    u32 prr_out;
    u32 rcv_wnd;
    u32 write_seq;
    u32 notsent_lowat;
    u32 pushed_seq;
    u32 lost_out;
    u32 sacked_out;
    u32 fackets_out;
    struct sk_buff *lost_skb_hint;
    struct sk_buff *retransmit_skb_hint;
    struct sk_buff_head out_of_order_queue;
    struct tcp_sack_block duplicate_sack[1];
    struct tcp_sack_block selective_acks[4];
    struct tcp_sack_block recv_sack_cache[4];
    struct sk_buff *highest_sack;
    int lost_cnt_hint;
    u32 retransmit_high;
    u32 prior_ssthresh;
    u32 high_seq;
    u32 retrans_stamp;
    u32 undo_marker;
    int undo_retrans;
    u32 total_retrans;
    u32 urg_seq;
    unsigned int keepalive_time;
    unsigned int keepalive_intvl;
    int linger2;
    struct (anon) rcv_rtt_est;
    struct (anon) rcvq_space;
    struct (anon) mtu_probe;
    u32 mtu_info;
    const struct tcp_sock_af_ops *af_specific;
    struct tcp_md5sig_info *md5sig_info;
    struct tcp_fastopen_request *fastopen_req;
    struct request_sock *fastopen_rsk;
    u32 *saved_syn;
};

In 4.8: ✅

struct tcp_sock {
    struct inet_connection_sock inet_conn;
    u16 tcp_header_len;
    u16 gso_segs;
    __be32 pred_flags;
    u64 bytes_received;
    u32 segs_in;
    u32 data_segs_in;
    u32 rcv_nxt;
    u32 copied_seq;
    u32 rcv_wup;
    u32 snd_nxt;
    u32 segs_out;
    u32 data_segs_out;
    u64 bytes_acked;
    struct u64_stats_sync syncp;
    u32 snd_una;
    u32 snd_sml;
    u32 rcv_tstamp;
    u32 lsndtime;
    u32 last_oow_ack_time;
    u32 tsoffset;
    struct list_head tsq_node;
    long unsigned int tsq_flags;
    struct (anon) ucopy;
    u32 snd_wl1;
    u32 snd_wnd;
    u32 max_window;
    u32 mss_cache;
    u32 window_clamp;
    u32 rcv_ssthresh;
    struct tcp_rack rack;
    u16 advmss;
    u8 unused;
    u8 nonagle;
    u8 thin_lto;
    u8 thin_dupack;
    u8 repair;
    u8 frto;
    u8 repair_queue;
    u8 do_early_retrans;
    u8 syn_data;
    u8 syn_fastopen;
    u8 syn_fastopen_exp;
    u8 syn_data_acked;
    u8 save_syn;
    u8 is_cwnd_limited;
    u32 tlp_high_seq;
    u32 srtt_us;
    u32 mdev_us;
    u32 mdev_max_us;
    u32 rttvar_us;
    u32 rtt_seq;
    struct rtt_meas rtt_min[3];
    u32 packets_out;
    u32 retrans_out;
    u32 max_packets_out;
    u32 max_packets_seq;
    u16 urg_data;
    u8 ecn_flags;
    u8 keepalive_probes;
    u32 reordering;
    u32 snd_up;
    struct tcp_options_received rx_opt;
    u32 snd_ssthresh;
    u32 snd_cwnd;
    u32 snd_cwnd_cnt;
    u32 snd_cwnd_clamp;
    u32 snd_cwnd_used;
    u32 snd_cwnd_stamp;
    u32 prior_cwnd;
    u32 prr_delivered;
    u32 prr_out;
    u32 delivered;
    u32 rcv_wnd;
    u32 write_seq;
    u32 notsent_lowat;
    u32 pushed_seq;
    u32 lost_out;
    u32 sacked_out;
    u32 fackets_out;
    struct sk_buff *lost_skb_hint;
    struct sk_buff *retransmit_skb_hint;
    struct sk_buff_head out_of_order_queue;
    struct tcp_sack_block duplicate_sack[1];
    struct tcp_sack_block selective_acks[4];
    struct tcp_sack_block recv_sack_cache[4];
    struct sk_buff *highest_sack;
    int lost_cnt_hint;
    u32 retransmit_high;
    u32 prior_ssthresh;
    u32 high_seq;
    u32 retrans_stamp;
    u32 undo_marker;
    int undo_retrans;
    u32 total_retrans;
    u32 urg_seq;
    unsigned int keepalive_time;
    unsigned int keepalive_intvl;
    int linger2;
    struct (anon) rcv_rtt_est;
    struct (anon) rcvq_space;
    struct (anon) mtu_probe;
    u32 mtu_info;
    const struct tcp_sock_af_ops *af_specific;
    struct tcp_md5sig_info *md5sig_info;
    struct tcp_fastopen_request *fastopen_req;
    struct request_sock *fastopen_rsk;
    u32 *saved_syn;
};

In 4.10: ✅

struct tcp_sock {
    struct inet_connection_sock inet_conn;
    u16 tcp_header_len;
    u16 gso_segs;
    __be32 pred_flags;
    u64 bytes_received;
    u32 segs_in;
    u32 data_segs_in;
    u32 rcv_nxt;
    u32 copied_seq;
    u32 rcv_wup;
    u32 snd_nxt;
    u32 segs_out;
    u32 data_segs_out;
    u64 bytes_acked;
    u32 snd_una;
    u32 snd_sml;
    u32 rcv_tstamp;
    u32 lsndtime;
    u32 last_oow_ack_time;
    u32 tsoffset;
    struct list_head tsq_node;
    struct (anon) ucopy;
    u32 snd_wl1;
    u32 snd_wnd;
    u32 max_window;
    u32 mss_cache;
    u32 window_clamp;
    u32 rcv_ssthresh;
    struct tcp_rack rack;
    u16 advmss;
    u32 chrono_start;
    u32 chrono_stat[3];
    u8 chrono_type;
    u8 rate_app_limited;
    u8 unused;
    u8 nonagle;
    u8 thin_lto;
    u8 thin_dupack;
    u8 repair;
    u8 frto;
    u8 repair_queue;
    u8 do_early_retrans;
    u8 syn_data;
    u8 syn_fastopen;
    u8 syn_fastopen_exp;
    u8 syn_data_acked;
    u8 save_syn;
    u8 is_cwnd_limited;
    u32 tlp_high_seq;
    u32 srtt_us;
    u32 mdev_us;
    u32 mdev_max_us;
    u32 rttvar_us;
    u32 rtt_seq;
    struct minmax rtt_min;
    u32 packets_out;
    u32 retrans_out;
    u32 max_packets_out;
    u32 max_packets_seq;
    u16 urg_data;
    u8 ecn_flags;
    u8 keepalive_probes;
    u32 reordering;
    u32 snd_up;
    struct tcp_options_received rx_opt;
    u32 snd_ssthresh;
    u32 snd_cwnd;
    u32 snd_cwnd_cnt;
    u32 snd_cwnd_clamp;
    u32 snd_cwnd_used;
    u32 snd_cwnd_stamp;
    u32 prior_cwnd;
    u32 prr_delivered;
    u32 prr_out;
    u32 delivered;
    u32 lost;
    u32 app_limited;
    struct skb_mstamp first_tx_mstamp;
    struct skb_mstamp delivered_mstamp;
    u32 rate_delivered;
    u32 rate_interval_us;
    u32 rcv_wnd;
    u32 write_seq;
    u32 notsent_lowat;
    u32 pushed_seq;
    u32 lost_out;
    u32 sacked_out;
    u32 fackets_out;
    struct sk_buff *lost_skb_hint;
    struct sk_buff *retransmit_skb_hint;
    struct rb_root out_of_order_queue;
    struct sk_buff *ooo_last_skb;
    struct tcp_sack_block duplicate_sack[1];
    struct tcp_sack_block selective_acks[4];
    struct tcp_sack_block recv_sack_cache[4];
    struct sk_buff *highest_sack;
    int lost_cnt_hint;
    u32 retransmit_high;
    u32 prior_ssthresh;
    u32 high_seq;
    u32 retrans_stamp;
    u32 undo_marker;
    int undo_retrans;
    u32 total_retrans;
    u32 urg_seq;
    unsigned int keepalive_time;
    unsigned int keepalive_intvl;
    int linger2;
    struct (anon) rcv_rtt_est;
    struct (anon) rcvq_space;
    struct (anon) mtu_probe;
    u32 mtu_info;
    const struct tcp_sock_af_ops *af_specific;
    struct tcp_md5sig_info *md5sig_info;
    struct tcp_fastopen_request *fastopen_req;
    struct request_sock *fastopen_rsk;
    u32 *saved_syn;
};

In 4.13: ✅

struct tcp_sock {
    struct inet_connection_sock inet_conn;
    u16 tcp_header_len;
    u16 gso_segs;
    __be32 pred_flags;
    u64 bytes_received;
    u32 segs_in;
    u32 data_segs_in;
    u32 rcv_nxt;
    u32 copied_seq;
    u32 rcv_wup;
    u32 snd_nxt;
    u32 segs_out;
    u32 data_segs_out;
    u64 bytes_acked;
    u32 snd_una;
    u32 snd_sml;
    u32 rcv_tstamp;
    u32 lsndtime;
    u32 last_oow_ack_time;
    u32 tsoffset;
    struct list_head tsq_node;
    struct (anon) ucopy;
    u32 snd_wl1;
    u32 snd_wnd;
    u32 max_window;
    u32 mss_cache;
    u32 window_clamp;
    u32 rcv_ssthresh;
    struct tcp_rack rack;
    u16 advmss;
    u32 chrono_start;
    u32 chrono_stat[3];
    u8 chrono_type;
    u8 rate_app_limited;
    u8 fastopen_connect;
    u8 unused;
    u8 nonagle;
    u8 thin_lto;
    u8 unused1;
    u8 repair;
    u8 frto;
    u8 repair_queue;
    u8 syn_data;
    u8 syn_fastopen;
    u8 syn_fastopen_exp;
    u8 syn_fastopen_ch;
    u8 syn_data_acked;
    u8 save_syn;
    u8 is_cwnd_limited;
    u32 tlp_high_seq;
    u64 tcp_mstamp;
    u32 srtt_us;
    u32 mdev_us;
    u32 mdev_max_us;
    u32 rttvar_us;
    u32 rtt_seq;
    struct minmax rtt_min;
    u32 packets_out;
    u32 retrans_out;
    u32 max_packets_out;
    u32 max_packets_seq;
    u16 urg_data;
    u8 ecn_flags;
    u8 keepalive_probes;
    u32 reordering;
    u32 snd_up;
    struct tcp_options_received rx_opt;
    u32 snd_ssthresh;
    u32 snd_cwnd;
    u32 snd_cwnd_cnt;
    u32 snd_cwnd_clamp;
    u32 snd_cwnd_used;
    u32 snd_cwnd_stamp;
    u32 prior_cwnd;
    u32 prr_delivered;
    u32 prr_out;
    u32 delivered;
    u32 lost;
    u32 app_limited;
    u64 first_tx_mstamp;
    u64 delivered_mstamp;
    u32 rate_delivered;
    u32 rate_interval_us;
    u32 rcv_wnd;
    u32 write_seq;
    u32 notsent_lowat;
    u32 pushed_seq;
    u32 lost_out;
    u32 sacked_out;
    u32 fackets_out;
    struct hrtimer pacing_timer;
    struct sk_buff *lost_skb_hint;
    struct sk_buff *retransmit_skb_hint;
    struct rb_root out_of_order_queue;
    struct sk_buff *ooo_last_skb;
    struct tcp_sack_block duplicate_sack[1];
    struct tcp_sack_block selective_acks[4];
    struct tcp_sack_block recv_sack_cache[4];
    struct sk_buff *highest_sack;
    int lost_cnt_hint;
    u32 prior_ssthresh;
    u32 high_seq;
    u32 retrans_stamp;
    u32 undo_marker;
    int undo_retrans;
    u32 total_retrans;
    u32 urg_seq;
    unsigned int keepalive_time;
    unsigned int keepalive_intvl;
    int linger2;
    struct (anon) rcv_rtt_est;
    struct (anon) rcvq_space;
    struct (anon) mtu_probe;
    u32 mtu_info;
    const struct tcp_sock_af_ops *af_specific;
    struct tcp_md5sig_info *md5sig_info;
    struct tcp_fastopen_request *fastopen_req;
    struct request_sock *fastopen_rsk;
    u32 *saved_syn;
};

In 4.15: ✅

struct tcp_sock {
    struct inet_connection_sock inet_conn;
    u16 tcp_header_len;
    u16 gso_segs;
    __be32 pred_flags;
    u64 bytes_received;
    u32 segs_in;
    u32 data_segs_in;
    u32 rcv_nxt;
    u32 copied_seq;
    u32 rcv_wup;
    u32 snd_nxt;
    u32 segs_out;
    u32 data_segs_out;
    u64 bytes_acked;
    u32 snd_una;
    u32 snd_sml;
    u32 rcv_tstamp;
    u32 lsndtime;
    u32 last_oow_ack_time;
    u32 tsoffset;
    struct list_head tsq_node;
    struct list_head tsorted_sent_queue;
    u32 snd_wl1;
    u32 snd_wnd;
    u32 max_window;
    u32 mss_cache;
    u32 window_clamp;
    u32 rcv_ssthresh;
    struct tcp_rack rack;
    u16 advmss;
    u32 chrono_start;
    u32 chrono_stat[3];
    u8 chrono_type;
    u8 rate_app_limited;
    u8 fastopen_connect;
    u8 fastopen_no_cookie;
    u8 is_sack_reneg;
    u8 unused;
    u8 nonagle;
    u8 thin_lto;
    u8 unused1;
    u8 repair;
    u8 frto;
    u8 repair_queue;
    u8 syn_data;
    u8 syn_fastopen;
    u8 syn_fastopen_exp;
    u8 syn_fastopen_ch;
    u8 syn_data_acked;
    u8 save_syn;
    u8 is_cwnd_limited;
    u8 syn_smc;
    u32 tlp_high_seq;
    u64 tcp_mstamp;
    u32 srtt_us;
    u32 mdev_us;
    u32 mdev_max_us;
    u32 rttvar_us;
    u32 rtt_seq;
    struct minmax rtt_min;
    u32 packets_out;
    u32 retrans_out;
    u32 max_packets_out;
    u32 max_packets_seq;
    u16 urg_data;
    u8 ecn_flags;
    u8 keepalive_probes;
    u32 reordering;
    u32 snd_up;
    struct tcp_options_received rx_opt;
    u32 snd_ssthresh;
    u32 snd_cwnd;
    u32 snd_cwnd_cnt;
    u32 snd_cwnd_clamp;
    u32 snd_cwnd_used;
    u32 snd_cwnd_stamp;
    u32 prior_cwnd;
    u32 prr_delivered;
    u32 prr_out;
    u32 delivered;
    u32 lost;
    u32 app_limited;
    u64 first_tx_mstamp;
    u64 delivered_mstamp;
    u32 rate_delivered;
    u32 rate_interval_us;
    u32 rcv_wnd;
    u32 write_seq;
    u32 notsent_lowat;
    u32 pushed_seq;
    u32 lost_out;
    u32 sacked_out;
    struct hrtimer pacing_timer;
    struct sk_buff *lost_skb_hint;
    struct sk_buff *retransmit_skb_hint;
    struct rb_root out_of_order_queue;
    struct sk_buff *ooo_last_skb;
    struct tcp_sack_block duplicate_sack[1];
    struct tcp_sack_block selective_acks[4];
    struct tcp_sack_block recv_sack_cache[4];
    struct sk_buff *highest_sack;
    int lost_cnt_hint;
    u32 prior_ssthresh;
    u32 high_seq;
    u32 retrans_stamp;
    u32 undo_marker;
    int undo_retrans;
    u32 total_retrans;
    u32 urg_seq;
    unsigned int keepalive_time;
    unsigned int keepalive_intvl;
    int linger2;
    struct (anon) rcv_rtt_est;
    struct (anon) rcvq_space;
    struct (anon) mtu_probe;
    u32 mtu_info;
    const struct tcp_sock_af_ops *af_specific;
    struct tcp_md5sig_info *md5sig_info;
    struct tcp_fastopen_request *fastopen_req;
    struct request_sock *fastopen_rsk;
    u32 *saved_syn;
};

In 4.18: ✅

struct tcp_sock {
    struct inet_connection_sock inet_conn;
    u16 tcp_header_len;
    u16 gso_segs;
    __be32 pred_flags;
    u64 bytes_received;
    u32 segs_in;
    u32 data_segs_in;
    u32 rcv_nxt;
    u32 copied_seq;
    u32 rcv_wup;
    u32 snd_nxt;
    u32 segs_out;
    u32 data_segs_out;
    u64 bytes_acked;
    u32 snd_una;
    u32 snd_sml;
    u32 rcv_tstamp;
    u32 lsndtime;
    u32 last_oow_ack_time;
    u32 tsoffset;
    struct list_head tsq_node;
    struct list_head tsorted_sent_queue;
    u32 snd_wl1;
    u32 snd_wnd;
    u32 max_window;
    u32 mss_cache;
    u32 window_clamp;
    u32 rcv_ssthresh;
    struct tcp_rack rack;
    u16 advmss;
    u8 compressed_ack;
    u32 chrono_start;
    u32 chrono_stat[3];
    u8 chrono_type;
    u8 rate_app_limited;
    u8 fastopen_connect;
    u8 fastopen_no_cookie;
    u8 is_sack_reneg;
    u8 unused;
    u8 nonagle;
    u8 thin_lto;
    u8 recvmsg_inq;
    u8 repair;
    u8 frto;
    u8 repair_queue;
    u8 syn_data;
    u8 syn_fastopen;
    u8 syn_fastopen_exp;
    u8 syn_fastopen_ch;
    u8 syn_data_acked;
    u8 save_syn;
    u8 is_cwnd_limited;
    u8 syn_smc;
    u32 tlp_high_seq;
    u64 tcp_mstamp;
    u32 srtt_us;
    u32 mdev_us;
    u32 mdev_max_us;
    u32 rttvar_us;
    u32 rtt_seq;
    struct minmax rtt_min;
    u32 packets_out;
    u32 retrans_out;
    u32 max_packets_out;
    u32 max_packets_seq;
    u16 urg_data;
    u8 ecn_flags;
    u8 keepalive_probes;
    u32 reordering;
    u32 snd_up;
    struct tcp_options_received rx_opt;
    u32 snd_ssthresh;
    u32 snd_cwnd;
    u32 snd_cwnd_cnt;
    u32 snd_cwnd_clamp;
    u32 snd_cwnd_used;
    u32 snd_cwnd_stamp;
    u32 prior_cwnd;
    u32 prr_delivered;
    u32 prr_out;
    u32 delivered;
    u32 delivered_ce;
    u32 lost;
    u32 app_limited;
    u64 first_tx_mstamp;
    u64 delivered_mstamp;
    u32 rate_delivered;
    u32 rate_interval_us;
    u32 rcv_wnd;
    u32 write_seq;
    u32 notsent_lowat;
    u32 pushed_seq;
    u32 lost_out;
    u32 sacked_out;
    struct hrtimer pacing_timer;
    struct hrtimer compressed_ack_timer;
    struct sk_buff *lost_skb_hint;
    struct sk_buff *retransmit_skb_hint;
    struct rb_root out_of_order_queue;
    struct sk_buff *ooo_last_skb;
    struct tcp_sack_block duplicate_sack[1];
    struct tcp_sack_block selective_acks[4];
    struct tcp_sack_block recv_sack_cache[4];
    struct sk_buff *highest_sack;
    int lost_cnt_hint;
    u32 prior_ssthresh;
    u32 high_seq;
    u32 retrans_stamp;
    u32 undo_marker;
    int undo_retrans;
    u32 total_retrans;
    u32 urg_seq;
    unsigned int keepalive_time;
    unsigned int keepalive_intvl;
    int linger2;
    u8 bpf_sock_ops_cb_flags;
    struct (anon) rcv_rtt_est;
    struct (anon) rcvq_space;
    struct (anon) mtu_probe;
    u32 mtu_info;
    const struct tcp_sock_af_ops *af_specific;
    struct tcp_md5sig_info *md5sig_info;
    struct tcp_fastopen_request *fastopen_req;
    struct request_sock *fastopen_rsk;
    u32 *saved_syn;
};

In 5.0: ✅

struct tcp_sock {
    struct inet_connection_sock inet_conn;
    u16 tcp_header_len;
    u16 gso_segs;
    __be32 pred_flags;
    u64 bytes_received;
    u32 segs_in;
    u32 data_segs_in;
    u32 rcv_nxt;
    u32 copied_seq;
    u32 rcv_wup;
    u32 snd_nxt;
    u32 segs_out;
    u32 data_segs_out;
    u64 bytes_sent;
    u64 bytes_acked;
    u32 dsack_dups;
    u32 snd_una;
    u32 snd_sml;
    u32 rcv_tstamp;
    u32 lsndtime;
    u32 last_oow_ack_time;
    u32 compressed_ack_rcv_nxt;
    u32 tsoffset;
    struct list_head tsq_node;
    struct list_head tsorted_sent_queue;
    u32 snd_wl1;
    u32 snd_wnd;
    u32 max_window;
    u32 mss_cache;
    u32 window_clamp;
    u32 rcv_ssthresh;
    struct tcp_rack rack;
    u16 advmss;
    u8 compressed_ack;
    u32 chrono_start;
    u32 chrono_stat[3];
    u8 chrono_type;
    u8 rate_app_limited;
    u8 fastopen_connect;
    u8 fastopen_no_cookie;
    u8 is_sack_reneg;
    u8 unused;
    u8 nonagle;
    u8 thin_lto;
    u8 recvmsg_inq;
    u8 repair;
    u8 frto;
    u8 repair_queue;
    u8 syn_data;
    u8 syn_fastopen;
    u8 syn_fastopen_exp;
    u8 syn_fastopen_ch;
    u8 syn_data_acked;
    u8 save_syn;
    u8 is_cwnd_limited;
    u8 syn_smc;
    u32 tlp_high_seq;
    u64 tcp_wstamp_ns;
    u64 tcp_clock_cache;
    u64 tcp_mstamp;
    u32 srtt_us;
    u32 mdev_us;
    u32 mdev_max_us;
    u32 rttvar_us;
    u32 rtt_seq;
    struct minmax rtt_min;
    u32 packets_out;
    u32 retrans_out;
    u32 max_packets_out;
    u32 max_packets_seq;
    u16 urg_data;
    u8 ecn_flags;
    u8 keepalive_probes;
    u32 reordering;
    u32 reord_seen;
    u32 snd_up;
    struct tcp_options_received rx_opt;
    u32 snd_ssthresh;
    u32 snd_cwnd;
    u32 snd_cwnd_cnt;
    u32 snd_cwnd_clamp;
    u32 snd_cwnd_used;
    u32 snd_cwnd_stamp;
    u32 prior_cwnd;
    u32 prr_delivered;
    u32 prr_out;
    u32 delivered;
    u32 delivered_ce;
    u32 lost;
    u32 app_limited;
    u64 first_tx_mstamp;
    u64 delivered_mstamp;
    u32 rate_delivered;
    u32 rate_interval_us;
    u32 rcv_wnd;
    u32 write_seq;
    u32 notsent_lowat;
    u32 pushed_seq;
    u32 lost_out;
    u32 sacked_out;
    struct hrtimer pacing_timer;
    struct hrtimer compressed_ack_timer;
    struct sk_buff *lost_skb_hint;
    struct sk_buff *retransmit_skb_hint;
    struct rb_root out_of_order_queue;
    struct sk_buff *ooo_last_skb;
    struct tcp_sack_block duplicate_sack[1];
    struct tcp_sack_block selective_acks[4];
    struct tcp_sack_block recv_sack_cache[4];
    struct sk_buff *highest_sack;
    int lost_cnt_hint;
    u32 prior_ssthresh;
    u32 high_seq;
    u32 retrans_stamp;
    u32 undo_marker;
    int undo_retrans;
    u64 bytes_retrans;
    u32 total_retrans;
    u32 urg_seq;
    unsigned int keepalive_time;
    unsigned int keepalive_intvl;
    int linger2;
    u8 bpf_sock_ops_cb_flags;
    u32 rcv_rtt_last_tsecr;
    struct (anon) rcv_rtt_est;
    struct (anon) rcvq_space;
    struct (anon) mtu_probe;
    u32 mtu_info;
    const struct tcp_sock_af_ops *af_specific;
    struct tcp_md5sig_info *md5sig_info;
    struct tcp_fastopen_request *fastopen_req;
    struct request_sock *fastopen_rsk;
    u32 *saved_syn;
};

In 5.3: ✅

struct tcp_sock {
    struct inet_connection_sock inet_conn;
    u16 tcp_header_len;
    u16 gso_segs;
    __be32 pred_flags;
    u64 bytes_received;
    u32 segs_in;
    u32 data_segs_in;
    u32 rcv_nxt;
    u32 copied_seq;
    u32 rcv_wup;
    u32 snd_nxt;
    u32 segs_out;
    u32 data_segs_out;
    u64 bytes_sent;
    u64 bytes_acked;
    u32 dsack_dups;
    u32 snd_una;
    u32 snd_sml;
    u32 rcv_tstamp;
    u32 lsndtime;
    u32 last_oow_ack_time;
    u32 compressed_ack_rcv_nxt;
    u32 tsoffset;
    struct list_head tsq_node;
    struct list_head tsorted_sent_queue;
    u32 snd_wl1;
    u32 snd_wnd;
    u32 max_window;
    u32 mss_cache;
    u32 window_clamp;
    u32 rcv_ssthresh;
    struct tcp_rack rack;
    u16 advmss;
    u8 compressed_ack;
    u32 chrono_start;
    u32 chrono_stat[3];
    u8 chrono_type;
    u8 rate_app_limited;
    u8 fastopen_connect;
    u8 fastopen_no_cookie;
    u8 is_sack_reneg;
    u8 unused;
    u8 nonagle;
    u8 thin_lto;
    u8 recvmsg_inq;
    u8 repair;
    u8 frto;
    u8 repair_queue;
    u8 syn_data;
    u8 syn_fastopen;
    u8 syn_fastopen_exp;
    u8 syn_fastopen_ch;
    u8 syn_data_acked;
    u8 save_syn;
    u8 is_cwnd_limited;
    u8 syn_smc;
    u32 tlp_high_seq;
    u32 tcp_tx_delay;
    u64 tcp_wstamp_ns;
    u64 tcp_clock_cache;
    u64 tcp_mstamp;
    u32 srtt_us;
    u32 mdev_us;
    u32 mdev_max_us;
    u32 rttvar_us;
    u32 rtt_seq;
    struct minmax rtt_min;
    u32 packets_out;
    u32 retrans_out;
    u32 max_packets_out;
    u32 max_packets_seq;
    u16 urg_data;
    u8 ecn_flags;
    u8 keepalive_probes;
    u32 reordering;
    u32 reord_seen;
    u32 snd_up;
    struct tcp_options_received rx_opt;
    u32 snd_ssthresh;
    u32 snd_cwnd;
    u32 snd_cwnd_cnt;
    u32 snd_cwnd_clamp;
    u32 snd_cwnd_used;
    u32 snd_cwnd_stamp;
    u32 prior_cwnd;
    u32 prr_delivered;
    u32 prr_out;
    u32 delivered;
    u32 delivered_ce;
    u32 lost;
    u32 app_limited;
    u64 first_tx_mstamp;
    u64 delivered_mstamp;
    u32 rate_delivered;
    u32 rate_interval_us;
    u32 rcv_wnd;
    u32 write_seq;
    u32 notsent_lowat;
    u32 pushed_seq;
    u32 lost_out;
    u32 sacked_out;
    struct hrtimer pacing_timer;
    struct hrtimer compressed_ack_timer;
    struct sk_buff *lost_skb_hint;
    struct sk_buff *retransmit_skb_hint;
    struct rb_root out_of_order_queue;
    struct sk_buff *ooo_last_skb;
    struct tcp_sack_block duplicate_sack[1];
    struct tcp_sack_block selective_acks[4];
    struct tcp_sack_block recv_sack_cache[4];
    struct sk_buff *highest_sack;
    int lost_cnt_hint;
    u32 prior_ssthresh;
    u32 high_seq;
    u32 retrans_stamp;
    u32 undo_marker;
    int undo_retrans;
    u64 bytes_retrans;
    u32 total_retrans;
    u32 urg_seq;
    unsigned int keepalive_time;
    unsigned int keepalive_intvl;
    int linger2;
    u8 bpf_sock_ops_cb_flags;
    u32 rcv_rtt_last_tsecr;
    struct (anon) rcv_rtt_est;
    struct (anon) rcvq_space;
    struct (anon) mtu_probe;
    u32 mtu_info;
    const struct tcp_sock_af_ops *af_specific;
    struct tcp_md5sig_info *md5sig_info;
    struct tcp_fastopen_request *fastopen_req;
    struct request_sock *fastopen_rsk;
    u32 *saved_syn;
};

In 5.4: ✅

struct tcp_sock {
    struct inet_connection_sock inet_conn;
    u16 tcp_header_len;
    u16 gso_segs;
    __be32 pred_flags;
    u64 bytes_received;
    u32 segs_in;
    u32 data_segs_in;
    u32 rcv_nxt;
    u32 copied_seq;
    u32 rcv_wup;
    u32 snd_nxt;
    u32 segs_out;
    u32 data_segs_out;
    u64 bytes_sent;
    u64 bytes_acked;
    u32 dsack_dups;
    u32 snd_una;
    u32 snd_sml;
    u32 rcv_tstamp;
    u32 lsndtime;
    u32 last_oow_ack_time;
    u32 compressed_ack_rcv_nxt;
    u32 tsoffset;
    struct list_head tsq_node;
    struct list_head tsorted_sent_queue;
    u32 snd_wl1;
    u32 snd_wnd;
    u32 max_window;
    u32 mss_cache;
    u32 window_clamp;
    u32 rcv_ssthresh;
    struct tcp_rack rack;
    u16 advmss;
    u8 compressed_ack;
    u32 chrono_start;
    u32 chrono_stat[3];
    u8 chrono_type;
    u8 rate_app_limited;
    u8 fastopen_connect;
    u8 fastopen_no_cookie;
    u8 is_sack_reneg;
    u8 unused;
    u8 nonagle;
    u8 thin_lto;
    u8 recvmsg_inq;
    u8 repair;
    u8 frto;
    u8 repair_queue;
    u8 syn_data;
    u8 syn_fastopen;
    u8 syn_fastopen_exp;
    u8 syn_fastopen_ch;
    u8 syn_data_acked;
    u8 save_syn;
    u8 is_cwnd_limited;
    u8 syn_smc;
    u32 tlp_high_seq;
    u32 tcp_tx_delay;
    u64 tcp_wstamp_ns;
    u64 tcp_clock_cache;
    u64 tcp_mstamp;
    u32 srtt_us;
    u32 mdev_us;
    u32 mdev_max_us;
    u32 rttvar_us;
    u32 rtt_seq;
    struct minmax rtt_min;
    u32 packets_out;
    u32 retrans_out;
    u32 max_packets_out;
    u32 max_packets_seq;
    u16 urg_data;
    u8 ecn_flags;
    u8 keepalive_probes;
    u32 reordering;
    u32 reord_seen;
    u32 snd_up;
    struct tcp_options_received rx_opt;
    u32 snd_ssthresh;
    u32 snd_cwnd;
    u32 snd_cwnd_cnt;
    u32 snd_cwnd_clamp;
    u32 snd_cwnd_used;
    u32 snd_cwnd_stamp;
    u32 prior_cwnd;
    u32 prr_delivered;
    u32 prr_out;
    u32 delivered;
    u32 delivered_ce;
    u32 lost;
    u32 app_limited;
    u64 first_tx_mstamp;
    u64 delivered_mstamp;
    u32 rate_delivered;
    u32 rate_interval_us;
    u32 rcv_wnd;
    u32 write_seq;
    u32 notsent_lowat;
    u32 pushed_seq;
    u32 lost_out;
    u32 sacked_out;
    struct hrtimer pacing_timer;
    struct hrtimer compressed_ack_timer;
    struct sk_buff *lost_skb_hint;
    struct sk_buff *retransmit_skb_hint;
    struct rb_root out_of_order_queue;
    struct sk_buff *ooo_last_skb;
    struct tcp_sack_block duplicate_sack[1];
    struct tcp_sack_block selective_acks[4];
    struct tcp_sack_block recv_sack_cache[4];
    struct sk_buff *highest_sack;
    int lost_cnt_hint;
    u32 prior_ssthresh;
    u32 high_seq;
    u32 retrans_stamp;
    u32 undo_marker;
    int undo_retrans;
    u64 bytes_retrans;
    u32 total_retrans;
    u32 urg_seq;
    unsigned int keepalive_time;
    unsigned int keepalive_intvl;
    int linger2;
    u8 bpf_sock_ops_cb_flags;
    u32 rcv_ooopack;
    u32 rcv_rtt_last_tsecr;
    struct (anon) rcv_rtt_est;
    struct (anon) rcvq_space;
    struct (anon) mtu_probe;
    u32 mtu_info;
    const struct tcp_sock_af_ops *af_specific;
    struct tcp_md5sig_info *md5sig_info;
    struct tcp_fastopen_request *fastopen_req;
    struct request_sock *fastopen_rsk;
    u32 *saved_syn;
};

In 5.8: ✅

struct tcp_sock {
    struct inet_connection_sock inet_conn;
    u16 tcp_header_len;
    u16 gso_segs;
    __be32 pred_flags;
    u64 bytes_received;
    u32 segs_in;
    u32 data_segs_in;
    u32 rcv_nxt;
    u32 copied_seq;
    u32 rcv_wup;
    u32 snd_nxt;
    u32 segs_out;
    u32 data_segs_out;
    u64 bytes_sent;
    u64 bytes_acked;
    u32 dsack_dups;
    u32 snd_una;
    u32 snd_sml;
    u32 rcv_tstamp;
    u32 lsndtime;
    u32 last_oow_ack_time;
    u32 compressed_ack_rcv_nxt;
    u32 tsoffset;
    struct list_head tsq_node;
    struct list_head tsorted_sent_queue;
    u32 snd_wl1;
    u32 snd_wnd;
    u32 max_window;
    u32 mss_cache;
    u32 window_clamp;
    u32 rcv_ssthresh;
    struct tcp_rack rack;
    u16 advmss;
    u8 compressed_ack;
    u8 dup_ack_counter;
    u8 tlp_retrans;
    u8 unused;
    u32 chrono_start;
    u32 chrono_stat[3];
    u8 chrono_type;
    u8 rate_app_limited;
    u8 fastopen_connect;
    u8 fastopen_no_cookie;
    u8 is_sack_reneg;
    u8 fastopen_client_fail;
    u8 nonagle;
    u8 thin_lto;
    u8 recvmsg_inq;
    u8 repair;
    u8 frto;
    u8 repair_queue;
    u8 syn_data;
    u8 syn_fastopen;
    u8 syn_fastopen_exp;
    u8 syn_fastopen_ch;
    u8 syn_data_acked;
    u8 save_syn;
    u8 is_cwnd_limited;
    u8 syn_smc;
    u32 tlp_high_seq;
    u32 tcp_tx_delay;
    u64 tcp_wstamp_ns;
    u64 tcp_clock_cache;
    u64 tcp_mstamp;
    u32 srtt_us;
    u32 mdev_us;
    u32 mdev_max_us;
    u32 rttvar_us;
    u32 rtt_seq;
    struct minmax rtt_min;
    u32 packets_out;
    u32 retrans_out;
    u32 max_packets_out;
    u32 max_packets_seq;
    u16 urg_data;
    u8 ecn_flags;
    u8 keepalive_probes;
    u32 reordering;
    u32 reord_seen;
    u32 snd_up;
    struct tcp_options_received rx_opt;
    u32 snd_ssthresh;
    u32 snd_cwnd;
    u32 snd_cwnd_cnt;
    u32 snd_cwnd_clamp;
    u32 snd_cwnd_used;
    u32 snd_cwnd_stamp;
    u32 prior_cwnd;
    u32 prr_delivered;
    u32 prr_out;
    u32 delivered;
    u32 delivered_ce;
    u32 lost;
    u32 app_limited;
    u64 first_tx_mstamp;
    u64 delivered_mstamp;
    u32 rate_delivered;
    u32 rate_interval_us;
    u32 rcv_wnd;
    u32 write_seq;
    u32 notsent_lowat;
    u32 pushed_seq;
    u32 lost_out;
    u32 sacked_out;
    struct hrtimer pacing_timer;
    struct hrtimer compressed_ack_timer;
    struct sk_buff *lost_skb_hint;
    struct sk_buff *retransmit_skb_hint;
    struct rb_root out_of_order_queue;
    struct sk_buff *ooo_last_skb;
    struct tcp_sack_block duplicate_sack[1];
    struct tcp_sack_block selective_acks[4];
    struct tcp_sack_block recv_sack_cache[4];
    struct sk_buff *highest_sack;
    int lost_cnt_hint;
    u32 prior_ssthresh;
    u32 high_seq;
    u32 retrans_stamp;
    u32 undo_marker;
    int undo_retrans;
    u64 bytes_retrans;
    u32 total_retrans;
    u32 urg_seq;
    unsigned int keepalive_time;
    unsigned int keepalive_intvl;
    int linger2;
    u8 bpf_sock_ops_cb_flags;
    u16 timeout_rehash;
    u32 rcv_ooopack;
    u32 rcv_rtt_last_tsecr;
    struct (anon) rcv_rtt_est;
    struct (anon) rcvq_space;
    struct (anon) mtu_probe;
    u32 mtu_info;
    bool is_mptcp;
    const struct tcp_sock_af_ops *af_specific;
    struct tcp_md5sig_info *md5sig_info;
    struct tcp_fastopen_request *fastopen_req;
    struct request_sock *fastopen_rsk;
    u32 *saved_syn;
};

In 5.11: ✅

struct tcp_sock {
    struct inet_connection_sock inet_conn;
    u16 tcp_header_len;
    u16 gso_segs;
    __be32 pred_flags;
    u64 bytes_received;
    u32 segs_in;
    u32 data_segs_in;
    u32 rcv_nxt;
    u32 copied_seq;
    u32 rcv_wup;
    u32 snd_nxt;
    u32 segs_out;
    u32 data_segs_out;
    u64 bytes_sent;
    u64 bytes_acked;
    u32 dsack_dups;
    u32 snd_una;
    u32 snd_sml;
    u32 rcv_tstamp;
    u32 lsndtime;
    u32 last_oow_ack_time;
    u32 compressed_ack_rcv_nxt;
    u32 tsoffset;
    struct list_head tsq_node;
    struct list_head tsorted_sent_queue;
    u32 snd_wl1;
    u32 snd_wnd;
    u32 max_window;
    u32 mss_cache;
    u32 window_clamp;
    u32 rcv_ssthresh;
    struct tcp_rack rack;
    u16 advmss;
    u8 compressed_ack;
    u8 dup_ack_counter;
    u8 tlp_retrans;
    u8 unused;
    u32 chrono_start;
    u32 chrono_stat[3];
    u8 chrono_type;
    u8 rate_app_limited;
    u8 fastopen_connect;
    u8 fastopen_no_cookie;
    u8 is_sack_reneg;
    u8 fastopen_client_fail;
    u8 nonagle;
    u8 thin_lto;
    u8 recvmsg_inq;
    u8 repair;
    u8 frto;
    u8 repair_queue;
    u8 save_syn;
    u8 syn_data;
    u8 syn_fastopen;
    u8 syn_fastopen_exp;
    u8 syn_fastopen_ch;
    u8 syn_data_acked;
    u8 is_cwnd_limited;
    u32 tlp_high_seq;
    u32 tcp_tx_delay;
    u64 tcp_wstamp_ns;
    u64 tcp_clock_cache;
    u64 tcp_mstamp;
    u32 srtt_us;
    u32 mdev_us;
    u32 mdev_max_us;
    u32 rttvar_us;
    u32 rtt_seq;
    struct minmax rtt_min;
    u32 packets_out;
    u32 retrans_out;
    u32 max_packets_out;
    u32 max_packets_seq;
    u16 urg_data;
    u8 ecn_flags;
    u8 keepalive_probes;
    u32 reordering;
    u32 reord_seen;
    u32 snd_up;
    struct tcp_options_received rx_opt;
    u32 snd_ssthresh;
    u32 snd_cwnd;
    u32 snd_cwnd_cnt;
    u32 snd_cwnd_clamp;
    u32 snd_cwnd_used;
    u32 snd_cwnd_stamp;
    u32 prior_cwnd;
    u32 prr_delivered;
    u32 prr_out;
    u32 delivered;
    u32 delivered_ce;
    u32 lost;
    u32 app_limited;
    u64 first_tx_mstamp;
    u64 delivered_mstamp;
    u32 rate_delivered;
    u32 rate_interval_us;
    u32 rcv_wnd;
    u32 write_seq;
    u32 notsent_lowat;
    u32 pushed_seq;
    u32 lost_out;
    u32 sacked_out;
    struct hrtimer pacing_timer;
    struct hrtimer compressed_ack_timer;
    struct sk_buff *lost_skb_hint;
    struct sk_buff *retransmit_skb_hint;
    struct rb_root out_of_order_queue;
    struct sk_buff *ooo_last_skb;
    struct tcp_sack_block duplicate_sack[1];
    struct tcp_sack_block selective_acks[4];
    struct tcp_sack_block recv_sack_cache[4];
    struct sk_buff *highest_sack;
    int lost_cnt_hint;
    u32 prior_ssthresh;
    u32 high_seq;
    u32 retrans_stamp;
    u32 undo_marker;
    int undo_retrans;
    u64 bytes_retrans;
    u32 total_retrans;
    u32 urg_seq;
    unsigned int keepalive_time;
    unsigned int keepalive_intvl;
    int linger2;
    u8 bpf_sock_ops_cb_flags;
    u16 timeout_rehash;
    u32 rcv_ooopack;
    u32 rcv_rtt_last_tsecr;
    struct (anon) rcv_rtt_est;
    struct (anon) rcvq_space;
    struct (anon) mtu_probe;
    u32 mtu_info;
    bool is_mptcp;
    bool syn_smc;
    const struct tcp_sock_af_ops *af_specific;
    struct tcp_md5sig_info *md5sig_info;
    struct tcp_fastopen_request *fastopen_req;
    struct request_sock *fastopen_rsk;
    struct saved_syn *saved_syn;
};

In 5.13: ✅

struct tcp_sock {
    struct inet_connection_sock inet_conn;
    u16 tcp_header_len;
    u16 gso_segs;
    __be32 pred_flags;
    u64 bytes_received;
    u32 segs_in;
    u32 data_segs_in;
    u32 rcv_nxt;
    u32 copied_seq;
    u32 rcv_wup;
    u32 snd_nxt;
    u32 segs_out;
    u32 data_segs_out;
    u64 bytes_sent;
    u64 bytes_acked;
    u32 dsack_dups;
    u32 snd_una;
    u32 snd_sml;
    u32 rcv_tstamp;
    u32 lsndtime;
    u32 last_oow_ack_time;
    u32 compressed_ack_rcv_nxt;
    u32 tsoffset;
    struct list_head tsq_node;
    struct list_head tsorted_sent_queue;
    u32 snd_wl1;
    u32 snd_wnd;
    u32 max_window;
    u32 mss_cache;
    u32 window_clamp;
    u32 rcv_ssthresh;
    struct tcp_rack rack;
    u16 advmss;
    u8 compressed_ack;
    u8 dup_ack_counter;
    u8 tlp_retrans;
    u8 unused;
    u32 chrono_start;
    u32 chrono_stat[3];
    u8 chrono_type;
    u8 rate_app_limited;
    u8 fastopen_connect;
    u8 fastopen_no_cookie;
    u8 is_sack_reneg;
    u8 fastopen_client_fail;
    u8 nonagle;
    u8 thin_lto;
    u8 recvmsg_inq;
    u8 repair;
    u8 frto;
    u8 repair_queue;
    u8 save_syn;
    u8 syn_data;
    u8 syn_fastopen;
    u8 syn_fastopen_exp;
    u8 syn_fastopen_ch;
    u8 syn_data_acked;
    u8 is_cwnd_limited;
    u32 tlp_high_seq;
    u32 tcp_tx_delay;
    u64 tcp_wstamp_ns;
    u64 tcp_clock_cache;
    u64 tcp_mstamp;
    u32 srtt_us;
    u32 mdev_us;
    u32 mdev_max_us;
    u32 rttvar_us;
    u32 rtt_seq;
    struct minmax rtt_min;
    u32 packets_out;
    u32 retrans_out;
    u32 max_packets_out;
    u32 max_packets_seq;
    u16 urg_data;
    u8 ecn_flags;
    u8 keepalive_probes;
    u32 reordering;
    u32 reord_seen;
    u32 snd_up;
    struct tcp_options_received rx_opt;
    u32 snd_ssthresh;
    u32 snd_cwnd;
    u32 snd_cwnd_cnt;
    u32 snd_cwnd_clamp;
    u32 snd_cwnd_used;
    u32 snd_cwnd_stamp;
    u32 prior_cwnd;
    u32 prr_delivered;
    u32 prr_out;
    u32 delivered;
    u32 delivered_ce;
    u32 lost;
    u32 app_limited;
    u64 first_tx_mstamp;
    u64 delivered_mstamp;
    u32 rate_delivered;
    u32 rate_interval_us;
    u32 rcv_wnd;
    u32 write_seq;
    u32 notsent_lowat;
    u32 pushed_seq;
    u32 lost_out;
    u32 sacked_out;
    struct hrtimer pacing_timer;
    struct hrtimer compressed_ack_timer;
    struct sk_buff *lost_skb_hint;
    struct sk_buff *retransmit_skb_hint;
    struct rb_root out_of_order_queue;
    struct sk_buff *ooo_last_skb;
    struct tcp_sack_block duplicate_sack[1];
    struct tcp_sack_block selective_acks[4];
    struct tcp_sack_block recv_sack_cache[4];
    struct sk_buff *highest_sack;
    int lost_cnt_hint;
    u32 prior_ssthresh;
    u32 high_seq;
    u32 retrans_stamp;
    u32 undo_marker;
    int undo_retrans;
    u64 bytes_retrans;
    u32 total_retrans;
    u32 urg_seq;
    unsigned int keepalive_time;
    unsigned int keepalive_intvl;
    int linger2;
    u8 bpf_sock_ops_cb_flags;
    u16 timeout_rehash;
    u32 rcv_ooopack;
    u32 rcv_rtt_last_tsecr;
    struct (anon) rcv_rtt_est;
    struct (anon) rcvq_space;
    struct (anon) mtu_probe;
    u32 mtu_info;
    bool is_mptcp;
    bool syn_smc;
    const struct tcp_sock_af_ops *af_specific;
    struct tcp_md5sig_info *md5sig_info;
    struct tcp_fastopen_request *fastopen_req;
    struct request_sock *fastopen_rsk;
    struct saved_syn *saved_syn;
};

In 5.15: ✅

struct tcp_sock {
    struct inet_connection_sock inet_conn;
    u16 tcp_header_len;
    u16 gso_segs;
    __be32 pred_flags;
    u64 bytes_received;
    u32 segs_in;
    u32 data_segs_in;
    u32 rcv_nxt;
    u32 copied_seq;
    u32 rcv_wup;
    u32 snd_nxt;
    u32 segs_out;
    u32 data_segs_out;
    u64 bytes_sent;
    u64 bytes_acked;
    u32 dsack_dups;
    u32 snd_una;
    u32 snd_sml;
    u32 rcv_tstamp;
    u32 lsndtime;
    u32 last_oow_ack_time;
    u32 compressed_ack_rcv_nxt;
    u32 tsoffset;
    struct list_head tsq_node;
    struct list_head tsorted_sent_queue;
    u32 snd_wl1;
    u32 snd_wnd;
    u32 max_window;
    u32 mss_cache;
    u32 window_clamp;
    u32 rcv_ssthresh;
    struct tcp_rack rack;
    u16 advmss;
    u8 compressed_ack;
    u8 dup_ack_counter;
    u8 tlp_retrans;
    u8 unused;
    u32 chrono_start;
    u32 chrono_stat[3];
    u8 chrono_type;
    u8 rate_app_limited;
    u8 fastopen_connect;
    u8 fastopen_no_cookie;
    u8 is_sack_reneg;
    u8 fastopen_client_fail;
    u8 nonagle;
    u8 thin_lto;
    u8 recvmsg_inq;
    u8 repair;
    u8 frto;
    u8 repair_queue;
    u8 save_syn;
    u8 syn_data;
    u8 syn_fastopen;
    u8 syn_fastopen_exp;
    u8 syn_fastopen_ch;
    u8 syn_data_acked;
    u8 is_cwnd_limited;
    u32 tlp_high_seq;
    u32 tcp_tx_delay;
    u64 tcp_wstamp_ns;
    u64 tcp_clock_cache;
    u64 tcp_mstamp;
    u32 srtt_us;
    u32 mdev_us;
    u32 mdev_max_us;
    u32 rttvar_us;
    u32 rtt_seq;
    struct minmax rtt_min;
    u32 packets_out;
    u32 retrans_out;
    u32 max_packets_out;
    u32 max_packets_seq;
    u16 urg_data;
    u8 ecn_flags;
    u8 keepalive_probes;
    u32 reordering;
    u32 reord_seen;
    u32 snd_up;
    struct tcp_options_received rx_opt;
    u32 snd_ssthresh;
    u32 snd_cwnd;
    u32 snd_cwnd_cnt;
    u32 snd_cwnd_clamp;
    u32 snd_cwnd_used;
    u32 snd_cwnd_stamp;
    u32 prior_cwnd;
    u32 prr_delivered;
    u32 prr_out;
    u32 delivered;
    u32 delivered_ce;
    u32 lost;
    u32 app_limited;
    u64 first_tx_mstamp;
    u64 delivered_mstamp;
    u32 rate_delivered;
    u32 rate_interval_us;
    u32 rcv_wnd;
    u32 write_seq;
    u32 notsent_lowat;
    u32 pushed_seq;
    u32 lost_out;
    u32 sacked_out;
    struct hrtimer pacing_timer;
    struct hrtimer compressed_ack_timer;
    struct sk_buff *lost_skb_hint;
    struct sk_buff *retransmit_skb_hint;
    struct rb_root out_of_order_queue;
    struct sk_buff *ooo_last_skb;
    struct tcp_sack_block duplicate_sack[1];
    struct tcp_sack_block selective_acks[4];
    struct tcp_sack_block recv_sack_cache[4];
    struct sk_buff *highest_sack;
    int lost_cnt_hint;
    u32 prior_ssthresh;
    u32 high_seq;
    u32 retrans_stamp;
    u32 undo_marker;
    int undo_retrans;
    u64 bytes_retrans;
    u32 total_retrans;
    u32 urg_seq;
    unsigned int keepalive_time;
    unsigned int keepalive_intvl;
    int linger2;
    u8 bpf_sock_ops_cb_flags;
    u16 timeout_rehash;
    u32 rcv_ooopack;
    u32 rcv_rtt_last_tsecr;
    struct (anon) rcv_rtt_est;
    struct (anon) rcvq_space;
    struct (anon) mtu_probe;
    u32 mtu_info;
    bool is_mptcp;
    bool syn_smc;
    const struct tcp_sock_af_ops *af_specific;
    struct tcp_md5sig_info *md5sig_info;
    struct tcp_fastopen_request *fastopen_req;
    struct request_sock *fastopen_rsk;
    struct saved_syn *saved_syn;
};

In 5.19: ✅

struct tcp_sock {
    struct inet_connection_sock inet_conn;
    u16 tcp_header_len;
    u16 gso_segs;
    __be32 pred_flags;
    u64 bytes_received;
    u32 segs_in;
    u32 data_segs_in;
    u32 rcv_nxt;
    u32 copied_seq;
    u32 rcv_wup;
    u32 snd_nxt;
    u32 segs_out;
    u32 data_segs_out;
    u64 bytes_sent;
    u64 bytes_acked;
    u32 dsack_dups;
    u32 snd_una;
    u32 snd_sml;
    u32 rcv_tstamp;
    u32 lsndtime;
    u32 last_oow_ack_time;
    u32 compressed_ack_rcv_nxt;
    u32 tsoffset;
    struct list_head tsq_node;
    struct list_head tsorted_sent_queue;
    u32 snd_wl1;
    u32 snd_wnd;
    u32 max_window;
    u32 mss_cache;
    u32 window_clamp;
    u32 rcv_ssthresh;
    struct tcp_rack rack;
    u16 advmss;
    u8 compressed_ack;
    u8 dup_ack_counter;
    u8 tlp_retrans;
    u8 unused;
    u32 chrono_start;
    u32 chrono_stat[3];
    u8 chrono_type;
    u8 rate_app_limited;
    u8 fastopen_connect;
    u8 fastopen_no_cookie;
    u8 is_sack_reneg;
    u8 fastopen_client_fail;
    u8 nonagle;
    u8 thin_lto;
    u8 recvmsg_inq;
    u8 repair;
    u8 frto;
    u8 repair_queue;
    u8 save_syn;
    u8 syn_data;
    u8 syn_fastopen;
    u8 syn_fastopen_exp;
    u8 syn_fastopen_ch;
    u8 syn_data_acked;
    u8 is_cwnd_limited;
    u32 tlp_high_seq;
    u32 tcp_tx_delay;
    u64 tcp_wstamp_ns;
    u64 tcp_clock_cache;
    u64 tcp_mstamp;
    u32 srtt_us;
    u32 mdev_us;
    u32 mdev_max_us;
    u32 rttvar_us;
    u32 rtt_seq;
    struct minmax rtt_min;
    u32 packets_out;
    u32 retrans_out;
    u32 max_packets_out;
    u32 max_packets_seq;
    u16 urg_data;
    u8 ecn_flags;
    u8 keepalive_probes;
    u32 reordering;
    u32 reord_seen;
    u32 snd_up;
    struct tcp_options_received rx_opt;
    u32 snd_ssthresh;
    u32 snd_cwnd;
    u32 snd_cwnd_cnt;
    u32 snd_cwnd_clamp;
    u32 snd_cwnd_used;
    u32 snd_cwnd_stamp;
    u32 prior_cwnd;
    u32 prr_delivered;
    u32 prr_out;
    u32 delivered;
    u32 delivered_ce;
    u32 lost;
    u32 app_limited;
    u64 first_tx_mstamp;
    u64 delivered_mstamp;
    u32 rate_delivered;
    u32 rate_interval_us;
    u32 rcv_wnd;
    u32 write_seq;
    u32 notsent_lowat;
    u32 pushed_seq;
    u32 lost_out;
    u32 sacked_out;
    struct hrtimer pacing_timer;
    struct hrtimer compressed_ack_timer;
    struct sk_buff *lost_skb_hint;
    struct sk_buff *retransmit_skb_hint;
    struct rb_root out_of_order_queue;
    struct sk_buff *ooo_last_skb;
    struct tcp_sack_block duplicate_sack[1];
    struct tcp_sack_block selective_acks[4];
    struct tcp_sack_block recv_sack_cache[4];
    struct sk_buff *highest_sack;
    int lost_cnt_hint;
    u32 prior_ssthresh;
    u32 high_seq;
    u32 retrans_stamp;
    u32 undo_marker;
    int undo_retrans;
    u64 bytes_retrans;
    u32 total_retrans;
    u32 urg_seq;
    unsigned int keepalive_time;
    unsigned int keepalive_intvl;
    int linger2;
    u8 bpf_sock_ops_cb_flags;
    u16 timeout_rehash;
    u32 rcv_ooopack;
    u32 rcv_rtt_last_tsecr;
    struct (anon) rcv_rtt_est;
    struct (anon) rcvq_space;
    struct (anon) mtu_probe;
    u32 mtu_info;
    bool is_mptcp;
    bool (*smc_hs_congested)(const struct sock *);
    bool syn_smc;
    const struct tcp_sock_af_ops *af_specific;
    struct tcp_md5sig_info *md5sig_info;
    struct tcp_fastopen_request *fastopen_req;
    struct request_sock *fastopen_rsk;
    struct saved_syn *saved_syn;
};

In 6.2: ✅

struct tcp_sock {
    struct inet_connection_sock inet_conn;
    u16 tcp_header_len;
    u16 gso_segs;
    __be32 pred_flags;
    u64 bytes_received;
    u32 segs_in;
    u32 data_segs_in;
    u32 rcv_nxt;
    u32 copied_seq;
    u32 rcv_wup;
    u32 snd_nxt;
    u32 segs_out;
    u32 data_segs_out;
    u64 bytes_sent;
    u64 bytes_acked;
    u32 dsack_dups;
    u32 snd_una;
    u32 snd_sml;
    u32 rcv_tstamp;
    u32 lsndtime;
    u32 last_oow_ack_time;
    u32 compressed_ack_rcv_nxt;
    u32 tsoffset;
    struct list_head tsq_node;
    struct list_head tsorted_sent_queue;
    u32 snd_wl1;
    u32 snd_wnd;
    u32 max_window;
    u32 mss_cache;
    u32 window_clamp;
    u32 rcv_ssthresh;
    struct tcp_rack rack;
    u16 advmss;
    u8 compressed_ack;
    u8 dup_ack_counter;
    u8 tlp_retrans;
    u8 unused;
    u32 chrono_start;
    u32 chrono_stat[3];
    u8 chrono_type;
    u8 rate_app_limited;
    u8 fastopen_connect;
    u8 fastopen_no_cookie;
    u8 is_sack_reneg;
    u8 fastopen_client_fail;
    u8 nonagle;
    u8 thin_lto;
    u8 recvmsg_inq;
    u8 repair;
    u8 frto;
    u8 repair_queue;
    u8 save_syn;
    u8 syn_data;
    u8 syn_fastopen;
    u8 syn_fastopen_exp;
    u8 syn_fastopen_ch;
    u8 syn_data_acked;
    u8 is_cwnd_limited;
    u32 tlp_high_seq;
    u32 tcp_tx_delay;
    u64 tcp_wstamp_ns;
    u64 tcp_clock_cache;
    u64 tcp_mstamp;
    u32 srtt_us;
    u32 mdev_us;
    u32 mdev_max_us;
    u32 rttvar_us;
    u32 rtt_seq;
    struct minmax rtt_min;
    u32 packets_out;
    u32 retrans_out;
    u32 max_packets_out;
    u32 cwnd_usage_seq;
    u16 urg_data;
    u8 ecn_flags;
    u8 keepalive_probes;
    u32 reordering;
    u32 reord_seen;
    u32 snd_up;
    struct tcp_options_received rx_opt;
    u32 snd_ssthresh;
    u32 snd_cwnd;
    u32 snd_cwnd_cnt;
    u32 snd_cwnd_clamp;
    u32 snd_cwnd_used;
    u32 snd_cwnd_stamp;
    u32 prior_cwnd;
    u32 prr_delivered;
    u32 prr_out;
    u32 delivered;
    u32 delivered_ce;
    u32 lost;
    u32 app_limited;
    u64 first_tx_mstamp;
    u64 delivered_mstamp;
    u32 rate_delivered;
    u32 rate_interval_us;
    u32 rcv_wnd;
    u32 write_seq;
    u32 notsent_lowat;
    u32 pushed_seq;
    u32 lost_out;
    u32 sacked_out;
    struct hrtimer pacing_timer;
    struct hrtimer compressed_ack_timer;
    struct sk_buff *lost_skb_hint;
    struct sk_buff *retransmit_skb_hint;
    struct rb_root out_of_order_queue;
    struct sk_buff *ooo_last_skb;
    struct tcp_sack_block duplicate_sack[1];
    struct tcp_sack_block selective_acks[4];
    struct tcp_sack_block recv_sack_cache[4];
    struct sk_buff *highest_sack;
    int lost_cnt_hint;
    u32 prior_ssthresh;
    u32 high_seq;
    u32 retrans_stamp;
    u32 undo_marker;
    int undo_retrans;
    u64 bytes_retrans;
    u32 total_retrans;
    u32 urg_seq;
    unsigned int keepalive_time;
    unsigned int keepalive_intvl;
    int linger2;
    u8 bpf_sock_ops_cb_flags;
    u8 bpf_chg_cc_inprogress;
    u16 timeout_rehash;
    u32 rcv_ooopack;
    u32 rcv_rtt_last_tsecr;
    struct (anon) rcv_rtt_est;
    struct (anon) rcvq_space;
    struct (anon) mtu_probe;
    u32 plb_rehash;
    u32 mtu_info;
    bool is_mptcp;
    bool (*smc_hs_congested)(const struct sock *);
    bool syn_smc;
    const struct tcp_sock_af_ops *af_specific;
    struct tcp_md5sig_info *md5sig_info;
    struct tcp_fastopen_request *fastopen_req;
    struct request_sock *fastopen_rsk;
    struct saved_syn *saved_syn;
};

In 6.5: ✅

struct tcp_sock {
    struct inet_connection_sock inet_conn;
    u16 tcp_header_len;
    u16 gso_segs;
    __be32 pred_flags;
    u64 bytes_received;
    u32 segs_in;
    u32 data_segs_in;
    u32 rcv_nxt;
    u32 copied_seq;
    u32 rcv_wup;
    u32 snd_nxt;
    u32 segs_out;
    u32 data_segs_out;
    u64 bytes_sent;
    u64 bytes_acked;
    u32 dsack_dups;
    u32 snd_una;
    u32 snd_sml;
    u32 rcv_tstamp;
    u32 lsndtime;
    u32 last_oow_ack_time;
    u32 compressed_ack_rcv_nxt;
    u32 tsoffset;
    struct list_head tsq_node;
    struct list_head tsorted_sent_queue;
    u32 snd_wl1;
    u32 snd_wnd;
    u32 max_window;
    u32 mss_cache;
    u32 window_clamp;
    u32 rcv_ssthresh;
    struct tcp_rack rack;
    u16 advmss;
    u8 compressed_ack;
    u8 dup_ack_counter;
    u8 tlp_retrans;
    u8 unused;
    u32 chrono_start;
    u32 chrono_stat[3];
    u8 chrono_type;
    u8 rate_app_limited;
    u8 fastopen_connect;
    u8 fastopen_no_cookie;
    u8 is_sack_reneg;
    u8 fastopen_client_fail;
    u8 nonagle;
    u8 thin_lto;
    u8 recvmsg_inq;
    u8 repair;
    u8 frto;
    u8 repair_queue;
    u8 save_syn;
    u8 syn_data;
    u8 syn_fastopen;
    u8 syn_fastopen_exp;
    u8 syn_fastopen_ch;
    u8 syn_data_acked;
    u8 is_cwnd_limited;
    u32 tlp_high_seq;
    u32 tcp_tx_delay;
    u64 tcp_wstamp_ns;
    u64 tcp_clock_cache;
    u64 tcp_mstamp;
    u32 srtt_us;
    u32 mdev_us;
    u32 mdev_max_us;
    u32 rttvar_us;
    u32 rtt_seq;
    struct minmax rtt_min;
    u32 packets_out;
    u32 retrans_out;
    u32 max_packets_out;
    u32 cwnd_usage_seq;
    u16 urg_data;
    u8 ecn_flags;
    u8 keepalive_probes;
    u32 reordering;
    u32 reord_seen;
    u32 snd_up;
    struct tcp_options_received rx_opt;
    u32 snd_ssthresh;
    u32 snd_cwnd;
    u32 snd_cwnd_cnt;
    u32 snd_cwnd_clamp;
    u32 snd_cwnd_used;
    u32 snd_cwnd_stamp;
    u32 prior_cwnd;
    u32 prr_delivered;
    u32 prr_out;
    u32 delivered;
    u32 delivered_ce;
    u32 lost;
    u32 app_limited;
    u64 first_tx_mstamp;
    u64 delivered_mstamp;
    u32 rate_delivered;
    u32 rate_interval_us;
    u32 rcv_wnd;
    u32 write_seq;
    u32 notsent_lowat;
    u32 pushed_seq;
    u32 lost_out;
    u32 sacked_out;
    struct hrtimer pacing_timer;
    struct hrtimer compressed_ack_timer;
    struct sk_buff *lost_skb_hint;
    struct sk_buff *retransmit_skb_hint;
    struct rb_root out_of_order_queue;
    struct sk_buff *ooo_last_skb;
    struct tcp_sack_block duplicate_sack[1];
    struct tcp_sack_block selective_acks[4];
    struct tcp_sack_block recv_sack_cache[4];
    struct sk_buff *highest_sack;
    int lost_cnt_hint;
    u32 prior_ssthresh;
    u32 high_seq;
    u32 retrans_stamp;
    u32 undo_marker;
    int undo_retrans;
    u64 bytes_retrans;
    u32 total_retrans;
    u32 urg_seq;
    unsigned int keepalive_time;
    unsigned int keepalive_intvl;
    int linger2;
    u8 bpf_sock_ops_cb_flags;
    u8 bpf_chg_cc_inprogress;
    u16 timeout_rehash;
    u32 rcv_ooopack;
    u32 rcv_rtt_last_tsecr;
    struct (anon) rcv_rtt_est;
    struct (anon) rcvq_space;
    struct (anon) mtu_probe;
    u32 plb_rehash;
    u32 mtu_info;
    bool is_mptcp;
    bool (*smc_hs_congested)(const struct sock *);
    bool syn_smc;
    const struct tcp_sock_af_ops *af_specific;
    struct tcp_md5sig_info *md5sig_info;
    struct tcp_fastopen_request *fastopen_req;
    struct request_sock *fastopen_rsk;
    struct saved_syn *saved_syn;
};

In 6.8: ✅

struct tcp_sock {
    struct inet_connection_sock inet_conn;
    __u8 __cacheline_group_begin__tcp_sock_read_tx[0];
    u32 max_window;
    u32 rcv_ssthresh;
    u32 reordering;
    u32 notsent_lowat;
    u16 gso_segs;
    struct sk_buff *lost_skb_hint;
    struct sk_buff *retransmit_skb_hint;
    __u8 __cacheline_group_end__tcp_sock_read_tx[0];
    __u8 __cacheline_group_begin__tcp_sock_read_txrx[0];
    u32 tsoffset;
    u32 snd_wnd;
    u32 mss_cache;
    u32 snd_cwnd;
    u32 prr_out;
    u32 lost_out;
    u32 sacked_out;
    u16 tcp_header_len;
    u8 scaling_ratio;
    u8 chrono_type;
    u8 repair;
    u8 tcp_usec_ts;
    u8 is_sack_reneg;
    u8 is_cwnd_limited;
    __u8 __cacheline_group_end__tcp_sock_read_txrx[0];
    __u8 __cacheline_group_begin__tcp_sock_read_rx[0];
    u32 copied_seq;
    u32 rcv_tstamp;
    u32 snd_wl1;
    u32 tlp_high_seq;
    u32 rttvar_us;
    u32 retrans_out;
    u16 advmss;
    u16 urg_data;
    u32 lost;
    struct minmax rtt_min;
    struct rb_root out_of_order_queue;
    u32 snd_ssthresh;
    __u8 __cacheline_group_end__tcp_sock_read_rx[0];
    __u8 __cacheline_group_begin__tcp_sock_write_tx[0];
    u32 segs_out;
    u32 data_segs_out;
    u64 bytes_sent;
    u32 snd_sml;
    u32 chrono_start;
    u32 chrono_stat[3];
    u32 write_seq;
    u32 pushed_seq;
    u32 lsndtime;
    u32 mdev_us;
    u64 tcp_wstamp_ns;
    u64 tcp_clock_cache;
    u64 tcp_mstamp;
    u32 rtt_seq;
    struct list_head tsorted_sent_queue;
    struct sk_buff *highest_sack;
    u8 ecn_flags;
    __u8 __cacheline_group_end__tcp_sock_write_tx[0];
    __u8 __cacheline_group_begin__tcp_sock_write_txrx[0];
    __be32 pred_flags;
    u32 rcv_nxt;
    u32 snd_nxt;
    u32 snd_una;
    u32 window_clamp;
    u32 srtt_us;
    u32 packets_out;
    u32 snd_up;
    u32 delivered;
    u32 delivered_ce;
    u32 app_limited;
    u32 rcv_wnd;
    struct tcp_options_received rx_opt;
    u8 nonagle;
    u8 rate_app_limited;
    __u8 __cacheline_group_end__tcp_sock_write_txrx[0];
    __u8 __cacheline_group_begin__tcp_sock_write_rx[0];
    u64 bytes_received;
    u32 segs_in;
    u32 data_segs_in;
    u32 rcv_wup;
    u32 max_packets_out;
    u32 cwnd_usage_seq;
    u32 rate_delivered;
    u32 rate_interval_us;
    u32 rcv_rtt_last_tsecr;
    u64 first_tx_mstamp;
    u64 delivered_mstamp;
    u64 bytes_acked;
    struct (anon) rcv_rtt_est;
    struct (anon) rcvq_space;
    __u8 __cacheline_group_end__tcp_sock_write_rx[0];
    u32 dsack_dups;
    u32 last_oow_ack_time;
    u32 compressed_ack_rcv_nxt;
    struct list_head tsq_node;
    struct tcp_rack rack;
    u8 compressed_ack;
    u8 dup_ack_counter;
    u8 tlp_retrans;
    u8 unused;
    u8 thin_lto;
    u8 recvmsg_inq;
    u8 fastopen_connect;
    u8 fastopen_no_cookie;
    u8 fastopen_client_fail;
    u8 frto;
    u8 repair_queue;
    u8 save_syn;
    u8 syn_data;
    u8 syn_fastopen;
    u8 syn_fastopen_exp;
    u8 syn_fastopen_ch;
    u8 syn_data_acked;
    u32 tcp_tx_delay;
    u32 mdev_max_us;
    u8 keepalive_probes;
    u32 reord_seen;
    u32 snd_cwnd_cnt;
    u32 snd_cwnd_clamp;
    u32 snd_cwnd_used;
    u32 snd_cwnd_stamp;
    u32 prior_cwnd;
    u32 prr_delivered;
    struct hrtimer pacing_timer;
    struct hrtimer compressed_ack_timer;
    struct sk_buff *ooo_last_skb;
    struct tcp_sack_block duplicate_sack[1];
    struct tcp_sack_block selective_acks[4];
    struct tcp_sack_block recv_sack_cache[4];
    int lost_cnt_hint;
    u32 prior_ssthresh;
    u32 high_seq;
    u32 retrans_stamp;
    u32 undo_marker;
    int undo_retrans;
    u64 bytes_retrans;
    u32 total_retrans;
    u32 rto_stamp;
    u16 total_rto;
    u16 total_rto_recoveries;
    u32 total_rto_time;
    u32 urg_seq;
    unsigned int keepalive_time;
    unsigned int keepalive_intvl;
    int linger2;
    u8 bpf_sock_ops_cb_flags;
    u8 bpf_chg_cc_inprogress;
    u16 timeout_rehash;
    u32 rcv_ooopack;
    struct (anon) mtu_probe;
    u32 plb_rehash;
    u32 mtu_info;
    bool is_mptcp;
    bool (*smc_hs_congested)(const struct sock *);
    bool syn_smc;
    const struct tcp_sock_af_ops *af_specific;
    struct tcp_md5sig_info *md5sig_info;
    struct tcp_ao_info *ao_info;
    struct tcp_fastopen_request *fastopen_req;
    struct request_sock *fastopen_rsk;
    struct saved_syn *saved_syn;
};

Arch

In arm64: ✅

struct tcp_sock {
    struct inet_connection_sock inet_conn;
    u16 tcp_header_len;
    u16 gso_segs;
    __be32 pred_flags;
    u64 bytes_received;
    u32 segs_in;
    u32 data_segs_in;
    u32 rcv_nxt;
    u32 copied_seq;
    u32 rcv_wup;
    u32 snd_nxt;
    u32 segs_out;
    u32 data_segs_out;
    u64 bytes_sent;
    u64 bytes_acked;
    u32 dsack_dups;
    u32 snd_una;
    u32 snd_sml;
    u32 rcv_tstamp;
    u32 lsndtime;
    u32 last_oow_ack_time;
    u32 compressed_ack_rcv_nxt;
    u32 tsoffset;
    struct list_head tsq_node;
    struct list_head tsorted_sent_queue;
    u32 snd_wl1;
    u32 snd_wnd;
    u32 max_window;
    u32 mss_cache;
    u32 window_clamp;
    u32 rcv_ssthresh;
    struct tcp_rack rack;
    u16 advmss;
    u8 compressed_ack;
    u32 chrono_start;
    u32 chrono_stat[3];
    u8 chrono_type;
    u8 rate_app_limited;
    u8 fastopen_connect;
    u8 fastopen_no_cookie;
    u8 is_sack_reneg;
    u8 unused;
    u8 nonagle;
    u8 thin_lto;
    u8 recvmsg_inq;
    u8 repair;
    u8 frto;
    u8 repair_queue;
    u8 syn_data;
    u8 syn_fastopen;
    u8 syn_fastopen_exp;
    u8 syn_fastopen_ch;
    u8 syn_data_acked;
    u8 save_syn;
    u8 is_cwnd_limited;
    u8 syn_smc;
    u32 tlp_high_seq;
    u32 tcp_tx_delay;
    u64 tcp_wstamp_ns;
    u64 tcp_clock_cache;
    u64 tcp_mstamp;
    u32 srtt_us;
    u32 mdev_us;
    u32 mdev_max_us;
    u32 rttvar_us;
    u32 rtt_seq;
    struct minmax rtt_min;
    u32 packets_out;
    u32 retrans_out;
    u32 max_packets_out;
    u32 max_packets_seq;
    u16 urg_data;
    u8 ecn_flags;
    u8 keepalive_probes;
    u32 reordering;
    u32 reord_seen;
    u32 snd_up;
    struct tcp_options_received rx_opt;
    u32 snd_ssthresh;
    u32 snd_cwnd;
    u32 snd_cwnd_cnt;
    u32 snd_cwnd_clamp;
    u32 snd_cwnd_used;
    u32 snd_cwnd_stamp;
    u32 prior_cwnd;
    u32 prr_delivered;
    u32 prr_out;
    u32 delivered;
    u32 delivered_ce;
    u32 lost;
    u32 app_limited;
    u64 first_tx_mstamp;
    u64 delivered_mstamp;
    u32 rate_delivered;
    u32 rate_interval_us;
    u32 rcv_wnd;
    u32 write_seq;
    u32 notsent_lowat;
    u32 pushed_seq;
    u32 lost_out;
    u32 sacked_out;
    struct hrtimer pacing_timer;
    struct hrtimer compressed_ack_timer;
    struct sk_buff *lost_skb_hint;
    struct sk_buff *retransmit_skb_hint;
    struct rb_root out_of_order_queue;
    struct sk_buff *ooo_last_skb;
    struct tcp_sack_block duplicate_sack[1];
    struct tcp_sack_block selective_acks[4];
    struct tcp_sack_block recv_sack_cache[4];
    struct sk_buff *highest_sack;
    int lost_cnt_hint;
    u32 prior_ssthresh;
    u32 high_seq;
    u32 retrans_stamp;
    u32 undo_marker;
    int undo_retrans;
    u64 bytes_retrans;
    u32 total_retrans;
    u32 urg_seq;
    unsigned int keepalive_time;
    unsigned int keepalive_intvl;
    int linger2;
    u8 bpf_sock_ops_cb_flags;
    u32 rcv_ooopack;
    u32 rcv_rtt_last_tsecr;
    struct (anon) rcv_rtt_est;
    struct (anon) rcvq_space;
    struct (anon) mtu_probe;
    u32 mtu_info;
    const struct tcp_sock_af_ops *af_specific;
    struct tcp_md5sig_info *md5sig_info;
    struct tcp_fastopen_request *fastopen_req;
    struct request_sock *fastopen_rsk;
    u32 *saved_syn;
};

In armhf: ✅

struct tcp_sock {
    struct inet_connection_sock inet_conn;
    u16 tcp_header_len;
    u16 gso_segs;
    __be32 pred_flags;
    u64 bytes_received;
    u32 segs_in;
    u32 data_segs_in;
    u32 rcv_nxt;
    u32 copied_seq;
    u32 rcv_wup;
    u32 snd_nxt;
    u32 segs_out;
    u32 data_segs_out;
    u64 bytes_sent;
    u64 bytes_acked;
    u32 dsack_dups;
    u32 snd_una;
    u32 snd_sml;
    u32 rcv_tstamp;
    u32 lsndtime;
    u32 last_oow_ack_time;
    u32 compressed_ack_rcv_nxt;
    u32 tsoffset;
    struct list_head tsq_node;
    struct list_head tsorted_sent_queue;
    u32 snd_wl1;
    u32 snd_wnd;
    u32 max_window;
    u32 mss_cache;
    u32 window_clamp;
    u32 rcv_ssthresh;
    struct tcp_rack rack;
    u16 advmss;
    u8 compressed_ack;
    u32 chrono_start;
    u32 chrono_stat[3];
    u8 chrono_type;
    u8 rate_app_limited;
    u8 fastopen_connect;
    u8 fastopen_no_cookie;
    u8 is_sack_reneg;
    u8 unused;
    u8 nonagle;
    u8 thin_lto;
    u8 recvmsg_inq;
    u8 repair;
    u8 frto;
    u8 repair_queue;
    u8 syn_data;
    u8 syn_fastopen;
    u8 syn_fastopen_exp;
    u8 syn_fastopen_ch;
    u8 syn_data_acked;
    u8 save_syn;
    u8 is_cwnd_limited;
    u8 syn_smc;
    u32 tlp_high_seq;
    u32 tcp_tx_delay;
    u64 tcp_wstamp_ns;
    u64 tcp_clock_cache;
    u64 tcp_mstamp;
    u32 srtt_us;
    u32 mdev_us;
    u32 mdev_max_us;
    u32 rttvar_us;
    u32 rtt_seq;
    struct minmax rtt_min;
    u32 packets_out;
    u32 retrans_out;
    u32 max_packets_out;
    u32 max_packets_seq;
    u16 urg_data;
    u8 ecn_flags;
    u8 keepalive_probes;
    u32 reordering;
    u32 reord_seen;
    u32 snd_up;
    struct tcp_options_received rx_opt;
    u32 snd_ssthresh;
    u32 snd_cwnd;
    u32 snd_cwnd_cnt;
    u32 snd_cwnd_clamp;
    u32 snd_cwnd_used;
    u32 snd_cwnd_stamp;
    u32 prior_cwnd;
    u32 prr_delivered;
    u32 prr_out;
    u32 delivered;
    u32 delivered_ce;
    u32 lost;
    u32 app_limited;
    u64 first_tx_mstamp;
    u64 delivered_mstamp;
    u32 rate_delivered;
    u32 rate_interval_us;
    u32 rcv_wnd;
    u32 write_seq;
    u32 notsent_lowat;
    u32 pushed_seq;
    u32 lost_out;
    u32 sacked_out;
    struct hrtimer pacing_timer;
    struct hrtimer compressed_ack_timer;
    struct sk_buff *lost_skb_hint;
    struct sk_buff *retransmit_skb_hint;
    struct rb_root out_of_order_queue;
    struct sk_buff *ooo_last_skb;
    struct tcp_sack_block duplicate_sack[1];
    struct tcp_sack_block selective_acks[4];
    struct tcp_sack_block recv_sack_cache[4];
    struct sk_buff *highest_sack;
    int lost_cnt_hint;
    u32 prior_ssthresh;
    u32 high_seq;
    u32 retrans_stamp;
    u32 undo_marker;
    int undo_retrans;
    u64 bytes_retrans;
    u32 total_retrans;
    u32 urg_seq;
    unsigned int keepalive_time;
    unsigned int keepalive_intvl;
    int linger2;
    u8 bpf_sock_ops_cb_flags;
    u32 rcv_ooopack;
    u32 rcv_rtt_last_tsecr;
    struct (anon) rcv_rtt_est;
    struct (anon) rcvq_space;
    struct (anon) mtu_probe;
    u32 mtu_info;
    const struct tcp_sock_af_ops *af_specific;
    struct tcp_md5sig_info *md5sig_info;
    struct tcp_fastopen_request *fastopen_req;
    struct request_sock *fastopen_rsk;
    u32 *saved_syn;
};

In ppc64el: ✅

struct tcp_sock {
    struct inet_connection_sock inet_conn;
    u16 tcp_header_len;
    u16 gso_segs;
    __be32 pred_flags;
    u64 bytes_received;
    u32 segs_in;
    u32 data_segs_in;
    u32 rcv_nxt;
    u32 copied_seq;
    u32 rcv_wup;
    u32 snd_nxt;
    u32 segs_out;
    u32 data_segs_out;
    u64 bytes_sent;
    u64 bytes_acked;
    u32 dsack_dups;
    u32 snd_una;
    u32 snd_sml;
    u32 rcv_tstamp;
    u32 lsndtime;
    u32 last_oow_ack_time;
    u32 compressed_ack_rcv_nxt;
    u32 tsoffset;
    struct list_head tsq_node;
    struct list_head tsorted_sent_queue;
    u32 snd_wl1;
    u32 snd_wnd;
    u32 max_window;
    u32 mss_cache;
    u32 window_clamp;
    u32 rcv_ssthresh;
    struct tcp_rack rack;
    u16 advmss;
    u8 compressed_ack;
    u32 chrono_start;
    u32 chrono_stat[3];
    u8 chrono_type;
    u8 rate_app_limited;
    u8 fastopen_connect;
    u8 fastopen_no_cookie;
    u8 is_sack_reneg;
    u8 unused;
    u8 nonagle;
    u8 thin_lto;
    u8 recvmsg_inq;
    u8 repair;
    u8 frto;
    u8 repair_queue;
    u8 syn_data;
    u8 syn_fastopen;
    u8 syn_fastopen_exp;
    u8 syn_fastopen_ch;
    u8 syn_data_acked;
    u8 save_syn;
    u8 is_cwnd_limited;
    u8 syn_smc;
    u32 tlp_high_seq;
    u32 tcp_tx_delay;
    u64 tcp_wstamp_ns;
    u64 tcp_clock_cache;
    u64 tcp_mstamp;
    u32 srtt_us;
    u32 mdev_us;
    u32 mdev_max_us;
    u32 rttvar_us;
    u32 rtt_seq;
    struct minmax rtt_min;
    u32 packets_out;
    u32 retrans_out;
    u32 max_packets_out;
    u32 max_packets_seq;
    u16 urg_data;
    u8 ecn_flags;
    u8 keepalive_probes;
    u32 reordering;
    u32 reord_seen;
    u32 snd_up;
    struct tcp_options_received rx_opt;
    u32 snd_ssthresh;
    u32 snd_cwnd;
    u32 snd_cwnd_cnt;
    u32 snd_cwnd_clamp;
    u32 snd_cwnd_used;
    u32 snd_cwnd_stamp;
    u32 prior_cwnd;
    u32 prr_delivered;
    u32 prr_out;
    u32 delivered;
    u32 delivered_ce;
    u32 lost;
    u32 app_limited;
    u64 first_tx_mstamp;
    u64 delivered_mstamp;
    u32 rate_delivered;
    u32 rate_interval_us;
    u32 rcv_wnd;
    u32 write_seq;
    u32 notsent_lowat;
    u32 pushed_seq;
    u32 lost_out;
    u32 sacked_out;
    struct hrtimer pacing_timer;
    struct hrtimer compressed_ack_timer;
    struct sk_buff *lost_skb_hint;
    struct sk_buff *retransmit_skb_hint;
    struct rb_root out_of_order_queue;
    struct sk_buff *ooo_last_skb;
    struct tcp_sack_block duplicate_sack[1];
    struct tcp_sack_block selective_acks[4];
    struct tcp_sack_block recv_sack_cache[4];
    struct sk_buff *highest_sack;
    int lost_cnt_hint;
    u32 prior_ssthresh;
    u32 high_seq;
    u32 retrans_stamp;
    u32 undo_marker;
    int undo_retrans;
    u64 bytes_retrans;
    u32 total_retrans;
    u32 urg_seq;
    unsigned int keepalive_time;
    unsigned int keepalive_intvl;
    int linger2;
    u8 bpf_sock_ops_cb_flags;
    u32 rcv_ooopack;
    u32 rcv_rtt_last_tsecr;
    struct (anon) rcv_rtt_est;
    struct (anon) rcvq_space;
    struct (anon) mtu_probe;
    u32 mtu_info;
    const struct tcp_sock_af_ops *af_specific;
    struct tcp_md5sig_info *md5sig_info;
    struct tcp_fastopen_request *fastopen_req;
    struct request_sock *fastopen_rsk;
    u32 *saved_syn;
};

In riscv64: ✅

struct tcp_sock {
    struct inet_connection_sock inet_conn;
    u16 tcp_header_len;
    u16 gso_segs;
    __be32 pred_flags;
    u64 bytes_received;
    u32 segs_in;
    u32 data_segs_in;
    u32 rcv_nxt;
    u32 copied_seq;
    u32 rcv_wup;
    u32 snd_nxt;
    u32 segs_out;
    u32 data_segs_out;
    u64 bytes_sent;
    u64 bytes_acked;
    u32 dsack_dups;
    u32 snd_una;
    u32 snd_sml;
    u32 rcv_tstamp;
    u32 lsndtime;
    u32 last_oow_ack_time;
    u32 compressed_ack_rcv_nxt;
    u32 tsoffset;
    struct list_head tsq_node;
    struct list_head tsorted_sent_queue;
    u32 snd_wl1;
    u32 snd_wnd;
    u32 max_window;
    u32 mss_cache;
    u32 window_clamp;
    u32 rcv_ssthresh;
    struct tcp_rack rack;
    u16 advmss;
    u8 compressed_ack;
    u32 chrono_start;
    u32 chrono_stat[3];
    u8 chrono_type;
    u8 rate_app_limited;
    u8 fastopen_connect;
    u8 fastopen_no_cookie;
    u8 is_sack_reneg;
    u8 unused;
    u8 nonagle;
    u8 thin_lto;
    u8 recvmsg_inq;
    u8 repair;
    u8 frto;
    u8 repair_queue;
    u8 syn_data;
    u8 syn_fastopen;
    u8 syn_fastopen_exp;
    u8 syn_fastopen_ch;
    u8 syn_data_acked;
    u8 save_syn;
    u8 is_cwnd_limited;
    u8 syn_smc;
    u32 tlp_high_seq;
    u32 tcp_tx_delay;
    u64 tcp_wstamp_ns;
    u64 tcp_clock_cache;
    u64 tcp_mstamp;
    u32 srtt_us;
    u32 mdev_us;
    u32 mdev_max_us;
    u32 rttvar_us;
    u32 rtt_seq;
    struct minmax rtt_min;
    u32 packets_out;
    u32 retrans_out;
    u32 max_packets_out;
    u32 max_packets_seq;
    u16 urg_data;
    u8 ecn_flags;
    u8 keepalive_probes;
    u32 reordering;
    u32 reord_seen;
    u32 snd_up;
    struct tcp_options_received rx_opt;
    u32 snd_ssthresh;
    u32 snd_cwnd;
    u32 snd_cwnd_cnt;
    u32 snd_cwnd_clamp;
    u32 snd_cwnd_used;
    u32 snd_cwnd_stamp;
    u32 prior_cwnd;
    u32 prr_delivered;
    u32 prr_out;
    u32 delivered;
    u32 delivered_ce;
    u32 lost;
    u32 app_limited;
    u64 first_tx_mstamp;
    u64 delivered_mstamp;
    u32 rate_delivered;
    u32 rate_interval_us;
    u32 rcv_wnd;
    u32 write_seq;
    u32 notsent_lowat;
    u32 pushed_seq;
    u32 lost_out;
    u32 sacked_out;
    struct hrtimer pacing_timer;
    struct hrtimer compressed_ack_timer;
    struct sk_buff *lost_skb_hint;
    struct sk_buff *retransmit_skb_hint;
    struct rb_root out_of_order_queue;
    struct sk_buff *ooo_last_skb;
    struct tcp_sack_block duplicate_sack[1];
    struct tcp_sack_block selective_acks[4];
    struct tcp_sack_block recv_sack_cache[4];
    struct sk_buff *highest_sack;
    int lost_cnt_hint;
    u32 prior_ssthresh;
    u32 high_seq;
    u32 retrans_stamp;
    u32 undo_marker;
    int undo_retrans;
    u64 bytes_retrans;
    u32 total_retrans;
    u32 urg_seq;
    unsigned int keepalive_time;
    unsigned int keepalive_intvl;
    int linger2;
    u8 bpf_sock_ops_cb_flags;
    u32 rcv_ooopack;
    u32 rcv_rtt_last_tsecr;
    struct (anon) rcv_rtt_est;
    struct (anon) rcvq_space;
    struct (anon) mtu_probe;
    u32 mtu_info;
    const struct tcp_sock_af_ops *af_specific;
    struct tcp_md5sig_info *md5sig_info;
    struct tcp_fastopen_request *fastopen_req;
    struct request_sock *fastopen_rsk;
    u32 *saved_syn;
};

Flavor

In aws: ✅

struct tcp_sock {
    struct inet_connection_sock inet_conn;
    u16 tcp_header_len;
    u16 gso_segs;
    __be32 pred_flags;
    u64 bytes_received;
    u32 segs_in;
    u32 data_segs_in;
    u32 rcv_nxt;
    u32 copied_seq;
    u32 rcv_wup;
    u32 snd_nxt;
    u32 segs_out;
    u32 data_segs_out;
    u64 bytes_sent;
    u64 bytes_acked;
    u32 dsack_dups;
    u32 snd_una;
    u32 snd_sml;
    u32 rcv_tstamp;
    u32 lsndtime;
    u32 last_oow_ack_time;
    u32 compressed_ack_rcv_nxt;
    u32 tsoffset;
    struct list_head tsq_node;
    struct list_head tsorted_sent_queue;
    u32 snd_wl1;
    u32 snd_wnd;
    u32 max_window;
    u32 mss_cache;
    u32 window_clamp;
    u32 rcv_ssthresh;
    struct tcp_rack rack;
    u16 advmss;
    u8 compressed_ack;
    u32 chrono_start;
    u32 chrono_stat[3];
    u8 chrono_type;
    u8 rate_app_limited;
    u8 fastopen_connect;
    u8 fastopen_no_cookie;
    u8 is_sack_reneg;
    u8 unused;
    u8 nonagle;
    u8 thin_lto;
    u8 recvmsg_inq;
    u8 repair;
    u8 frto;
    u8 repair_queue;
    u8 syn_data;
    u8 syn_fastopen;
    u8 syn_fastopen_exp;
    u8 syn_fastopen_ch;
    u8 syn_data_acked;
    u8 save_syn;
    u8 is_cwnd_limited;
    u8 syn_smc;
    u32 tlp_high_seq;
    u32 tcp_tx_delay;
    u64 tcp_wstamp_ns;
    u64 tcp_clock_cache;
    u64 tcp_mstamp;
    u32 srtt_us;
    u32 mdev_us;
    u32 mdev_max_us;
    u32 rttvar_us;
    u32 rtt_seq;
    struct minmax rtt_min;
    u32 packets_out;
    u32 retrans_out;
    u32 max_packets_out;
    u32 max_packets_seq;
    u16 urg_data;
    u8 ecn_flags;
    u8 keepalive_probes;
    u32 reordering;
    u32 reord_seen;
    u32 snd_up;
    struct tcp_options_received rx_opt;
    u32 snd_ssthresh;
    u32 snd_cwnd;
    u32 snd_cwnd_cnt;
    u32 snd_cwnd_clamp;
    u32 snd_cwnd_used;
    u32 snd_cwnd_stamp;
    u32 prior_cwnd;
    u32 prr_delivered;
    u32 prr_out;
    u32 delivered;
    u32 delivered_ce;
    u32 lost;
    u32 app_limited;
    u64 first_tx_mstamp;
    u64 delivered_mstamp;
    u32 rate_delivered;
    u32 rate_interval_us;
    u32 rcv_wnd;
    u32 write_seq;
    u32 notsent_lowat;
    u32 pushed_seq;
    u32 lost_out;
    u32 sacked_out;
    struct hrtimer pacing_timer;
    struct hrtimer compressed_ack_timer;
    struct sk_buff *lost_skb_hint;
    struct sk_buff *retransmit_skb_hint;
    struct rb_root out_of_order_queue;
    struct sk_buff *ooo_last_skb;
    struct tcp_sack_block duplicate_sack[1];
    struct tcp_sack_block selective_acks[4];
    struct tcp_sack_block recv_sack_cache[4];
    struct sk_buff *highest_sack;
    int lost_cnt_hint;
    u32 prior_ssthresh;
    u32 high_seq;
    u32 retrans_stamp;
    u32 undo_marker;
    int undo_retrans;
    u64 bytes_retrans;
    u32 total_retrans;
    u32 urg_seq;
    unsigned int keepalive_time;
    unsigned int keepalive_intvl;
    int linger2;
    u8 bpf_sock_ops_cb_flags;
    u32 rcv_ooopack;
    u32 rcv_rtt_last_tsecr;
    struct (anon) rcv_rtt_est;
    struct (anon) rcvq_space;
    struct (anon) mtu_probe;
    u32 mtu_info;
    const struct tcp_sock_af_ops *af_specific;
    struct tcp_md5sig_info *md5sig_info;
    struct tcp_fastopen_request *fastopen_req;
    struct request_sock *fastopen_rsk;
    u32 *saved_syn;
};

In azure: ✅

struct tcp_sock {
    struct inet_connection_sock inet_conn;
    u16 tcp_header_len;
    u16 gso_segs;
    __be32 pred_flags;
    u64 bytes_received;
    u32 segs_in;
    u32 data_segs_in;
    u32 rcv_nxt;
    u32 copied_seq;
    u32 rcv_wup;
    u32 snd_nxt;
    u32 segs_out;
    u32 data_segs_out;
    u64 bytes_sent;
    u64 bytes_acked;
    u32 dsack_dups;
    u32 snd_una;
    u32 snd_sml;
    u32 rcv_tstamp;
    u32 lsndtime;
    u32 last_oow_ack_time;
    u32 compressed_ack_rcv_nxt;
    u32 tsoffset;
    struct list_head tsq_node;
    struct list_head tsorted_sent_queue;
    u32 snd_wl1;
    u32 snd_wnd;
    u32 max_window;
    u32 mss_cache;
    u32 window_clamp;
    u32 rcv_ssthresh;
    struct tcp_rack rack;
    u16 advmss;
    u8 compressed_ack;
    u32 chrono_start;
    u32 chrono_stat[3];
    u8 chrono_type;
    u8 rate_app_limited;
    u8 fastopen_connect;
    u8 fastopen_no_cookie;
    u8 is_sack_reneg;
    u8 unused;
    u8 nonagle;
    u8 thin_lto;
    u8 recvmsg_inq;
    u8 repair;
    u8 frto;
    u8 repair_queue;
    u8 syn_data;
    u8 syn_fastopen;
    u8 syn_fastopen_exp;
    u8 syn_fastopen_ch;
    u8 syn_data_acked;
    u8 save_syn;
    u8 is_cwnd_limited;
    u8 syn_smc;
    u32 tlp_high_seq;
    u32 tcp_tx_delay;
    u64 tcp_wstamp_ns;
    u64 tcp_clock_cache;
    u64 tcp_mstamp;
    u32 srtt_us;
    u32 mdev_us;
    u32 mdev_max_us;
    u32 rttvar_us;
    u32 rtt_seq;
    struct minmax rtt_min;
    u32 packets_out;
    u32 retrans_out;
    u32 max_packets_out;
    u32 max_packets_seq;
    u16 urg_data;
    u8 ecn_flags;
    u8 keepalive_probes;
    u32 reordering;
    u32 reord_seen;
    u32 snd_up;
    struct tcp_options_received rx_opt;
    u32 snd_ssthresh;
    u32 snd_cwnd;
    u32 snd_cwnd_cnt;
    u32 snd_cwnd_clamp;
    u32 snd_cwnd_used;
    u32 snd_cwnd_stamp;
    u32 prior_cwnd;
    u32 prr_delivered;
    u32 prr_out;
    u32 delivered;
    u32 delivered_ce;
    u32 lost;
    u32 app_limited;
    u64 first_tx_mstamp;
    u64 delivered_mstamp;
    u32 rate_delivered;
    u32 rate_interval_us;
    u32 rcv_wnd;
    u32 write_seq;
    u32 notsent_lowat;
    u32 pushed_seq;
    u32 lost_out;
    u32 sacked_out;
    struct hrtimer pacing_timer;
    struct hrtimer compressed_ack_timer;
    struct sk_buff *lost_skb_hint;
    struct sk_buff *retransmit_skb_hint;
    struct rb_root out_of_order_queue;
    struct sk_buff *ooo_last_skb;
    struct tcp_sack_block duplicate_sack[1];
    struct tcp_sack_block selective_acks[4];
    struct tcp_sack_block recv_sack_cache[4];
    struct sk_buff *highest_sack;
    int lost_cnt_hint;
    u32 prior_ssthresh;
    u32 high_seq;
    u32 retrans_stamp;
    u32 undo_marker;
    int undo_retrans;
    u64 bytes_retrans;
    u32 total_retrans;
    u32 urg_seq;
    unsigned int keepalive_time;
    unsigned int keepalive_intvl;
    int linger2;
    u8 bpf_sock_ops_cb_flags;
    u32 rcv_ooopack;
    u32 rcv_rtt_last_tsecr;
    struct (anon) rcv_rtt_est;
    struct (anon) rcvq_space;
    struct (anon) mtu_probe;
    u32 mtu_info;
    const struct tcp_sock_af_ops *af_specific;
    struct tcp_md5sig_info *md5sig_info;
    struct tcp_fastopen_request *fastopen_req;
    struct request_sock *fastopen_rsk;
    u32 *saved_syn;
};

In gcp: ✅

struct tcp_sock {
    struct inet_connection_sock inet_conn;
    u16 tcp_header_len;
    u16 gso_segs;
    __be32 pred_flags;
    u64 bytes_received;
    u32 segs_in;
    u32 data_segs_in;
    u32 rcv_nxt;
    u32 copied_seq;
    u32 rcv_wup;
    u32 snd_nxt;
    u32 segs_out;
    u32 data_segs_out;
    u64 bytes_sent;
    u64 bytes_acked;
    u32 dsack_dups;
    u32 snd_una;
    u32 snd_sml;
    u32 rcv_tstamp;
    u32 lsndtime;
    u32 last_oow_ack_time;
    u32 compressed_ack_rcv_nxt;
    u32 tsoffset;
    struct list_head tsq_node;
    struct list_head tsorted_sent_queue;
    u32 snd_wl1;
    u32 snd_wnd;
    u32 max_window;
    u32 mss_cache;
    u32 window_clamp;
    u32 rcv_ssthresh;
    struct tcp_rack rack;
    u16 advmss;
    u8 compressed_ack;
    u32 chrono_start;
    u32 chrono_stat[3];
    u8 chrono_type;
    u8 rate_app_limited;
    u8 fastopen_connect;
    u8 fastopen_no_cookie;
    u8 is_sack_reneg;
    u8 unused;
    u8 nonagle;
    u8 thin_lto;
    u8 recvmsg_inq;
    u8 repair;
    u8 frto;
    u8 repair_queue;
    u8 syn_data;
    u8 syn_fastopen;
    u8 syn_fastopen_exp;
    u8 syn_fastopen_ch;
    u8 syn_data_acked;
    u8 save_syn;
    u8 is_cwnd_limited;
    u8 syn_smc;
    u32 tlp_high_seq;
    u32 tcp_tx_delay;
    u64 tcp_wstamp_ns;
    u64 tcp_clock_cache;
    u64 tcp_mstamp;
    u32 srtt_us;
    u32 mdev_us;
    u32 mdev_max_us;
    u32 rttvar_us;
    u32 rtt_seq;
    struct minmax rtt_min;
    u32 packets_out;
    u32 retrans_out;
    u32 max_packets_out;
    u32 max_packets_seq;
    u16 urg_data;
    u8 ecn_flags;
    u8 keepalive_probes;
    u32 reordering;
    u32 reord_seen;
    u32 snd_up;
    struct tcp_options_received rx_opt;
    u32 snd_ssthresh;
    u32 snd_cwnd;
    u32 snd_cwnd_cnt;
    u32 snd_cwnd_clamp;
    u32 snd_cwnd_used;
    u32 snd_cwnd_stamp;
    u32 prior_cwnd;
    u32 prr_delivered;
    u32 prr_out;
    u32 delivered;
    u32 delivered_ce;
    u32 lost;
    u32 app_limited;
    u64 first_tx_mstamp;
    u64 delivered_mstamp;
    u32 rate_delivered;
    u32 rate_interval_us;
    u32 rcv_wnd;
    u32 write_seq;
    u32 notsent_lowat;
    u32 pushed_seq;
    u32 lost_out;
    u32 sacked_out;
    struct hrtimer pacing_timer;
    struct hrtimer compressed_ack_timer;
    struct sk_buff *lost_skb_hint;
    struct sk_buff *retransmit_skb_hint;
    struct rb_root out_of_order_queue;
    struct sk_buff *ooo_last_skb;
    struct tcp_sack_block duplicate_sack[1];
    struct tcp_sack_block selective_acks[4];
    struct tcp_sack_block recv_sack_cache[4];
    struct sk_buff *highest_sack;
    int lost_cnt_hint;
    u32 prior_ssthresh;
    u32 high_seq;
    u32 retrans_stamp;
    u32 undo_marker;
    int undo_retrans;
    u64 bytes_retrans;
    u32 total_retrans;
    u32 urg_seq;
    unsigned int keepalive_time;
    unsigned int keepalive_intvl;
    int linger2;
    u8 bpf_sock_ops_cb_flags;
    u32 rcv_ooopack;
    u32 rcv_rtt_last_tsecr;
    struct (anon) rcv_rtt_est;
    struct (anon) rcvq_space;
    struct (anon) mtu_probe;
    u32 mtu_info;
    const struct tcp_sock_af_ops *af_specific;
    struct tcp_md5sig_info *md5sig_info;
    struct tcp_fastopen_request *fastopen_req;
    struct request_sock *fastopen_rsk;
    u32 *saved_syn;
};

In lowlatency: ✅

struct tcp_sock {
    struct inet_connection_sock inet_conn;
    u16 tcp_header_len;
    u16 gso_segs;
    __be32 pred_flags;
    u64 bytes_received;
    u32 segs_in;
    u32 data_segs_in;
    u32 rcv_nxt;
    u32 copied_seq;
    u32 rcv_wup;
    u32 snd_nxt;
    u32 segs_out;
    u32 data_segs_out;
    u64 bytes_sent;
    u64 bytes_acked;
    u32 dsack_dups;
    u32 snd_una;
    u32 snd_sml;
    u32 rcv_tstamp;
    u32 lsndtime;
    u32 last_oow_ack_time;
    u32 compressed_ack_rcv_nxt;
    u32 tsoffset;
    struct list_head tsq_node;
    struct list_head tsorted_sent_queue;
    u32 snd_wl1;
    u32 snd_wnd;
    u32 max_window;
    u32 mss_cache;
    u32 window_clamp;
    u32 rcv_ssthresh;
    struct tcp_rack rack;
    u16 advmss;
    u8 compressed_ack;
    u32 chrono_start;
    u32 chrono_stat[3];
    u8 chrono_type;
    u8 rate_app_limited;
    u8 fastopen_connect;
    u8 fastopen_no_cookie;
    u8 is_sack_reneg;
    u8 unused;
    u8 nonagle;
    u8 thin_lto;
    u8 recvmsg_inq;
    u8 repair;
    u8 frto;
    u8 repair_queue;
    u8 syn_data;
    u8 syn_fastopen;
    u8 syn_fastopen_exp;
    u8 syn_fastopen_ch;
    u8 syn_data_acked;
    u8 save_syn;
    u8 is_cwnd_limited;
    u8 syn_smc;
    u32 tlp_high_seq;
    u32 tcp_tx_delay;
    u64 tcp_wstamp_ns;
    u64 tcp_clock_cache;
    u64 tcp_mstamp;
    u32 srtt_us;
    u32 mdev_us;
    u32 mdev_max_us;
    u32 rttvar_us;
    u32 rtt_seq;
    struct minmax rtt_min;
    u32 packets_out;
    u32 retrans_out;
    u32 max_packets_out;
    u32 max_packets_seq;
    u16 urg_data;
    u8 ecn_flags;
    u8 keepalive_probes;
    u32 reordering;
    u32 reord_seen;
    u32 snd_up;
    struct tcp_options_received rx_opt;
    u32 snd_ssthresh;
    u32 snd_cwnd;
    u32 snd_cwnd_cnt;
    u32 snd_cwnd_clamp;
    u32 snd_cwnd_used;
    u32 snd_cwnd_stamp;
    u32 prior_cwnd;
    u32 prr_delivered;
    u32 prr_out;
    u32 delivered;
    u32 delivered_ce;
    u32 lost;
    u32 app_limited;
    u64 first_tx_mstamp;
    u64 delivered_mstamp;
    u32 rate_delivered;
    u32 rate_interval_us;
    u32 rcv_wnd;
    u32 write_seq;
    u32 notsent_lowat;
    u32 pushed_seq;
    u32 lost_out;
    u32 sacked_out;
    struct hrtimer pacing_timer;
    struct hrtimer compressed_ack_timer;
    struct sk_buff *lost_skb_hint;
    struct sk_buff *retransmit_skb_hint;
    struct rb_root out_of_order_queue;
    struct sk_buff *ooo_last_skb;
    struct tcp_sack_block duplicate_sack[1];
    struct tcp_sack_block selective_acks[4];
    struct tcp_sack_block recv_sack_cache[4];
    struct sk_buff *highest_sack;
    int lost_cnt_hint;
    u32 prior_ssthresh;
    u32 high_seq;
    u32 retrans_stamp;
    u32 undo_marker;
    int undo_retrans;
    u64 bytes_retrans;
    u32 total_retrans;
    u32 urg_seq;
    unsigned int keepalive_time;
    unsigned int keepalive_intvl;
    int linger2;
    u8 bpf_sock_ops_cb_flags;
    u32 rcv_ooopack;
    u32 rcv_rtt_last_tsecr;
    struct (anon) rcv_rtt_est;
    struct (anon) rcvq_space;
    struct (anon) mtu_probe;
    u32 mtu_info;
    const struct tcp_sock_af_ops *af_specific;
    struct tcp_md5sig_info *md5sig_info;
    struct tcp_fastopen_request *fastopen_req;
    struct request_sock *fastopen_rsk;
    u32 *saved_syn;
};

Differences