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()
1406 		const struct inet_connection_sock *icsk = inet_csk(sk);  in tcp_cleanup_rbuf()  local
1409 		if (icsk->icsk_ack.blocked ||  in tcp_cleanup_rbuf()
1411 		    tp->rcv_nxt - tp->rcv_wup > icsk->icsk_ack.rcv_mss ||  in tcp_cleanup_rbuf()
1419 		     ((icsk->icsk_ack.pending & ICSK_ACK_PUSHED2) ||  in tcp_cleanup_rbuf()
1420 		      ((icsk->icsk_ack.pending & ICSK_ACK_PUSHED) &&  in tcp_cleanup_rbuf()
1421 		       !icsk->icsk_ack.pingpong)) &&  in tcp_cleanup_rbuf()
2216 	struct inet_connection_sock *icsk = inet_csk(sk);  in tcp_disconnect()  local
2257 	icsk->icsk_probes_out = 0;  in tcp_disconnect()
2262 	if (icsk->icsk_ca_ops->release)  in tcp_disconnect()
2263 		icsk->icsk_ca_ops->release(sk);  in tcp_disconnect()
2264 	memset(icsk->icsk_ca_priv, 0, sizeof(icsk->icsk_ca_priv));  in tcp_disconnect()
2272 	icsk->icsk_ack.rcv_mss = TCP_MIN_MSS;  in tcp_disconnect()
2284 	WARN_ON(inet->inet_num && !icsk->icsk_bind_hash);  in tcp_disconnect()
2359 	struct inet_connection_sock *icsk = inet_csk(sk);  in do_tcp_setsockopt()  local
2543 			icsk->icsk_syn_retries = val;  in do_tcp_setsockopt()
2564 		icsk->icsk_accept_queue.rskq_defer_accept =  in do_tcp_setsockopt()
2583 			icsk->icsk_ack.pingpong = 1;  in do_tcp_setsockopt()
2585 			icsk->icsk_ack.pingpong = 0;  in do_tcp_setsockopt()
2589 				icsk->icsk_ack.pending |= ICSK_ACK_PUSHED;  in do_tcp_setsockopt()
2592 					icsk->icsk_ack.pingpong = 1;  in do_tcp_setsockopt()
2609 			icsk->icsk_user_timeout = msecs_to_jiffies(val);  in do_tcp_setsockopt()
2644 	const struct inet_connection_sock *icsk = inet_csk(sk);  in tcp_setsockopt()  local
2647 		return icsk->icsk_af_ops->setsockopt(sk, level, optname,  in tcp_setsockopt()
2669 	const struct inet_connection_sock *icsk = inet_csk(sk);  in tcp_get_info()  local
2681 	info->tcpi_ca_state = icsk->icsk_ca_state;  in tcp_get_info()
2682 	info->tcpi_retransmits = icsk->icsk_retransmits;  in tcp_get_info()
2683 	info->tcpi_probes = icsk->icsk_probes_out;  in tcp_get_info()
2684 	info->tcpi_backoff = icsk->icsk_backoff;  in tcp_get_info()
2703 	info->tcpi_rto = jiffies_to_usecs(icsk->icsk_rto);  in tcp_get_info()
2704 	info->tcpi_ato = jiffies_to_usecs(icsk->icsk_ack.ato);  in tcp_get_info()
2706 	info->tcpi_rcv_mss = icsk->icsk_ack.rcv_mss;  in tcp_get_info()
2720 	info->tcpi_last_data_recv = jiffies_to_msecs(now - icsk->icsk_ack.lrcvtime);  in tcp_get_info()
2723 	info->tcpi_pmtu = icsk->icsk_pmtu_cookie;  in tcp_get_info()
2758 	struct inet_connection_sock *icsk = inet_csk(sk);  in do_tcp_getsockopt()  local
2794 		val = icsk->icsk_syn_retries ? : sysctl_tcp_syn_retries;  in do_tcp_getsockopt()
2802 		val = retrans_to_secs(icsk->icsk_accept_queue.rskq_defer_accept,  in do_tcp_getsockopt()
2832 		ca_ops = icsk->icsk_ca_ops;  in do_tcp_getsockopt()
2844 		val = !icsk->icsk_ack.pingpong;  in do_tcp_getsockopt()
2853 		if (copy_to_user(optval, icsk->icsk_ca_ops->name, len))  in do_tcp_getsockopt()
2885 		val = jiffies_to_msecs(icsk->icsk_user_timeout);  in do_tcp_getsockopt()
2889 		val = icsk->icsk_accept_queue.fastopenq.max_qlen;  in do_tcp_getsockopt()
2948 	struct inet_connection_sock *icsk = inet_csk(sk);  in tcp_getsockopt()  local
2951 		return icsk->icsk_af_ops->getsockopt(sk, level, optname,  in tcp_getsockopt()