362 	struct inet_connection_sock *icsk;  in tcp_v4_err()  local
413 	icsk = inet_csk(sk);  in tcp_v4_err()
462 		if (seq != tp->snd_una  || !icsk->icsk_retransmits ||  in tcp_v4_err()
463 		    !icsk->icsk_backoff || fastopen)  in tcp_v4_err()
473 		icsk->icsk_backoff--;  in tcp_v4_err()
474 		icsk->icsk_rto = tp->srtt_us ? __tcp_set_rto(tp) :  in tcp_v4_err()
476 		icsk->icsk_rto = inet_csk_rto_backoff(icsk, TCP_RTO_MAX);  in tcp_v4_err()
478 		remaining = icsk->icsk_rto -  in tcp_v4_err()
479 			    min(icsk->icsk_rto,  in tcp_v4_err()
1812 	struct inet_connection_sock *icsk = inet_csk(sk);  in tcp_v4_init_sock()  local
1816 	icsk->icsk_af_ops = &ipv4_specific;  in tcp_v4_init_sock()
1876 	struct inet_connection_sock *icsk;  in listening_get_next()  local
1903 		icsk = inet_csk(sk);  in listening_get_next()
2201 	const struct inet_connection_sock *icsk = inet_csk(sk);  in get_tcp4_sock()  local
2203 	const struct fastopen_queue *fastopenq = &icsk->icsk_accept_queue.fastopenq;  in get_tcp4_sock()
2211 	if (icsk->icsk_pending == ICSK_TIME_RETRANS ||  in get_tcp4_sock()
2212 	    icsk->icsk_pending == ICSK_TIME_EARLY_RETRANS ||  in get_tcp4_sock()
2213 	    icsk->icsk_pending == ICSK_TIME_LOSS_PROBE) {  in get_tcp4_sock()
2215 		timer_expires	= icsk->icsk_timeout;  in get_tcp4_sock()
2216 	} else if (icsk->icsk_pending == ICSK_TIME_PROBE0) {  in get_tcp4_sock()
2218 		timer_expires	= icsk->icsk_timeout;  in get_tcp4_sock()
2243 		icsk->icsk_retransmits,  in get_tcp4_sock()
2245 		icsk->icsk_probes_out,  in get_tcp4_sock()
2248 		jiffies_to_clock_t(icsk->icsk_rto),  in get_tcp4_sock()
2249 		jiffies_to_clock_t(icsk->icsk_ack.ato),  in get_tcp4_sock()
2250 		(icsk->icsk_ack.quick << 1) | icsk->icsk_ack.pingpong,  in get_tcp4_sock()