382 	struct inet_connection_sock *icsk = inet_csk(sk);  in tcp_init_sock()  local
390 	icsk->icsk_rto = TCP_TIMEOUT_INIT;  in tcp_init_sock()
420 	icsk->icsk_sync_mss = tcp_sync_mss;  in tcp_init_sock()
1397 		const struct inet_connection_sock *icsk = inet_csk(sk);  in tcp_cleanup_rbuf()  local
1400 		if (icsk->icsk_ack.blocked ||  in tcp_cleanup_rbuf()
1402 		    tp->rcv_nxt - tp->rcv_wup > icsk->icsk_ack.rcv_mss ||  in tcp_cleanup_rbuf()
1410 		     ((icsk->icsk_ack.pending & ICSK_ACK_PUSHED2) ||  in tcp_cleanup_rbuf()
1411 		      ((icsk->icsk_ack.pending & ICSK_ACK_PUSHED) &&  in tcp_cleanup_rbuf()
1412 		       !icsk->icsk_ack.pingpong)) &&  in tcp_cleanup_rbuf()
2204 	struct inet_connection_sock *icsk = inet_csk(sk);  in tcp_disconnect()  local
2244 	icsk->icsk_backoff = 0;  in tcp_disconnect()
2246 	icsk->icsk_probes_out = 0;  in tcp_disconnect()
2258 	WARN_ON(inet->inet_num && !icsk->icsk_bind_hash);  in tcp_disconnect()
2327 	struct inet_connection_sock *icsk = inet_csk(sk);  in do_tcp_setsockopt()  local
2511 			icsk->icsk_syn_retries = val;  in do_tcp_setsockopt()
2532 		icsk->icsk_accept_queue.rskq_defer_accept =  in do_tcp_setsockopt()
2551 			icsk->icsk_ack.pingpong = 1;  in do_tcp_setsockopt()
2553 			icsk->icsk_ack.pingpong = 0;  in do_tcp_setsockopt()
2557 				icsk->icsk_ack.pending |= ICSK_ACK_PUSHED;  in do_tcp_setsockopt()
2560 					icsk->icsk_ack.pingpong = 1;  in do_tcp_setsockopt()
2578 			icsk->icsk_user_timeout = msecs_to_jiffies(val);  in do_tcp_setsockopt()
2613 	const struct inet_connection_sock *icsk = inet_csk(sk);  in tcp_setsockopt()  local
2616 		return icsk->icsk_af_ops->setsockopt(sk, level, optname,  in tcp_setsockopt()
2638 	const struct inet_connection_sock *icsk = inet_csk(sk);  in tcp_get_info()  local
2650 	info->tcpi_ca_state = icsk->icsk_ca_state;  in tcp_get_info()
2651 	info->tcpi_retransmits = icsk->icsk_retransmits;  in tcp_get_info()
2652 	info->tcpi_probes = icsk->icsk_probes_out;  in tcp_get_info()
2653 	info->tcpi_backoff = icsk->icsk_backoff;  in tcp_get_info()
2672 	info->tcpi_rto = jiffies_to_usecs(icsk->icsk_rto);  in tcp_get_info()
2673 	info->tcpi_ato = jiffies_to_usecs(icsk->icsk_ack.ato);  in tcp_get_info()
2675 	info->tcpi_rcv_mss = icsk->icsk_ack.rcv_mss;  in tcp_get_info()
2689 	info->tcpi_last_data_recv = jiffies_to_msecs(now - icsk->icsk_ack.lrcvtime);  in tcp_get_info()
2692 	info->tcpi_pmtu = icsk->icsk_pmtu_cookie;  in tcp_get_info()
2727 	struct inet_connection_sock *icsk = inet_csk(sk);  in do_tcp_getsockopt()  local
2763 		val = icsk->icsk_syn_retries ? : sysctl_tcp_syn_retries;  in do_tcp_getsockopt()
2771 		val = retrans_to_secs(icsk->icsk_accept_queue.rskq_defer_accept,  in do_tcp_getsockopt()
2801 		ca_ops = icsk->icsk_ca_ops;  in do_tcp_getsockopt()
2813 		val = !icsk->icsk_ack.pingpong;  in do_tcp_getsockopt()
2822 		if (copy_to_user(optval, icsk->icsk_ca_ops->name, len))  in do_tcp_getsockopt()
2854 		val = jiffies_to_msecs(icsk->icsk_user_timeout);  in do_tcp_getsockopt()
2858 		val = icsk->icsk_accept_queue.fastopenq.max_qlen;  in do_tcp_getsockopt()
2917 	struct inet_connection_sock *icsk = inet_csk(sk);  in tcp_getsockopt()  local
2920 		return icsk->icsk_af_ops->getsockopt(sk, level, optname,  in tcp_getsockopt()