net/ipv4/tcp.c

426 	struct inet_connection_sock *icsk = inet_csk(sk);
436 	icsk->icsk_rto = TCP_TIMEOUT_INIT;
439 	icsk->icsk_rto_max = msecs_to_jiffies(rto_max_ms);
442 	icsk->icsk_rto_min = usecs_to_jiffies(rto_min_us);
443 	icsk->icsk_delack_max = TCP_DELACK_MAX;
474 	icsk->icsk_sync_mss = tcp_sync_mss;
1561 		const struct inet_connection_sock *icsk = inet_csk(sk);
1564 		    tp->rcv_nxt - tp->rcv_wup > icsk->icsk_ack.rcv_mss ||
1572 		     ((icsk->icsk_ack.pending & ICSK_ACK_PUSHED2) ||
1573 		      ((icsk->icsk_ack.pending & ICSK_ACK_PUSHED) &&
3369 	struct inet_connection_sock *icsk = inet_csk(sk);
3421 	icsk->icsk_backoff = 0;
3422 	WRITE_ONCE(icsk->icsk_probes_out, 0);
3423 	icsk->icsk_probes_tstamp = 0;
3424 	icsk->icsk_rto = TCP_TIMEOUT_INIT;
3425 	WRITE_ONCE(icsk->icsk_rto_min, TCP_RTO_MIN);
3426 	WRITE_ONCE(icsk->icsk_delack_max, TCP_DELACK_MAX);
3441 	if (icsk->icsk_ca_initialized && icsk->icsk_ca_ops->release)
3442 		icsk->icsk_ca_ops->release(sk);
3443 	memset(icsk->icsk_ca_priv, 0, sizeof(icsk->icsk_ca_priv));
3444 	icsk->icsk_ca_initialized = 0;
3453 	icsk->icsk_ack.rcv_mss = TCP_MIN_MSS;
3502 	WARN_ON(inet->inet_num && !icsk->icsk_bind_hash);
3846 	struct inet_connection_sock *icsk = inet_csk(sk);
3940 		WRITE_ONCE(icsk->icsk_accept_queue.rskq_defer_accept,
4180 	const struct inet_connection_sock *icsk = inet_csk(sk);
4184 		return READ_ONCE(icsk->icsk_af_ops)->setsockopt(sk, level, optname,
4212 	const struct inet_connection_sock *icsk = inet_csk(sk);
4251 	info->tcpi_ca_state = icsk->icsk_ca_state;
4252 	info->tcpi_retransmits = icsk->icsk_retransmits;
4253 	info->tcpi_probes = icsk->icsk_probes_out;
4254 	info->tcpi_backoff = icsk->icsk_backoff;
4277 	info->tcpi_rto = jiffies_to_usecs(icsk->icsk_rto);
4278 	info->tcpi_ato = jiffies_to_usecs(min_t(u32, icsk->icsk_ack.ato,
4281 	info->tcpi_rcv_mss = icsk->icsk_ack.rcv_mss;
4291 	info->tcpi_last_data_recv = jiffies_to_msecs(now - icsk->icsk_ack.lrcvtime);
4294 	info->tcpi_pmtu = icsk->icsk_pmtu_cookie;
4478 	struct inet_connection_sock *icsk = inet_csk(sk);
4518 		val = READ_ONCE(icsk->icsk_syn_retries) ? :
4527 		val = READ_ONCE(icsk->icsk_accept_queue.rskq_defer_accept);
4558 		ca_ops = icsk->icsk_ca_ops;
4579 		if (copy_to_sockptr(optval, icsk->icsk_ca_ops->name, len))
4587 		if (!icsk->icsk_ulp_ops) {
4595 		if (copy_to_sockptr(optval, icsk->icsk_ulp_ops->name, len))
4606 		key_len = tcp_fastopen_get_cipher(net, icsk, key) *
4666 		val = READ_ONCE(icsk->icsk_user_timeout);
4670 		val = READ_ONCE(icsk->icsk_accept_queue.fastopenq.max_qlen);
4854 	struct inet_connection_sock *icsk = inet_csk(sk);
4858 		return READ_ONCE(icsk->icsk_af_ops)->getsockopt(sk, level, optname,