118 void clean_acked_data_enable(struct inet_connection_sock *icsk,  in clean_acked_data_enable()  argument
121 	icsk->icsk_clean_acked = cad;  in clean_acked_data_enable()
126 void clean_acked_data_disable(struct inet_connection_sock *icsk)  in clean_acked_data_disable()  argument
129 	icsk->icsk_clean_acked = NULL;  in clean_acked_data_disable()
158 	struct inet_connection_sock *icsk = inet_csk(sk);  in tcp_measure_rcv_mss()  local
159 	const unsigned int lss = icsk->icsk_ack.last_seg_size;  in tcp_measure_rcv_mss()
162 	icsk->icsk_ack.last_seg_size = 0;  in tcp_measure_rcv_mss()
168 	if (len >= icsk->icsk_ack.rcv_mss) {  in tcp_measure_rcv_mss()
169 		icsk->icsk_ack.rcv_mss = min_t(unsigned int, len,  in tcp_measure_rcv_mss()
172 		if (unlikely(len > icsk->icsk_ack.rcv_mss +  in tcp_measure_rcv_mss()
195 			icsk->icsk_ack.last_seg_size = len;  in tcp_measure_rcv_mss()
197 				icsk->icsk_ack.rcv_mss = len;  in tcp_measure_rcv_mss()
201 		if (icsk->icsk_ack.pending & ICSK_ACK_PUSHED)  in tcp_measure_rcv_mss()
202 			icsk->icsk_ack.pending |= ICSK_ACK_PUSHED2;  in tcp_measure_rcv_mss()
203 		icsk->icsk_ack.pending |= ICSK_ACK_PUSHED;  in tcp_measure_rcv_mss()
209 	struct inet_connection_sock *icsk = inet_csk(sk);  in tcp_incr_quickack()  local
210 	unsigned int quickacks = tcp_sk(sk)->rcv_wnd / (2 * icsk->icsk_ack.rcv_mss);  in tcp_incr_quickack()
215 	if (quickacks > icsk->icsk_ack.quick)  in tcp_incr_quickack()
216 		icsk->icsk_ack.quick = quickacks;  in tcp_incr_quickack()
221 	struct inet_connection_sock *icsk = inet_csk(sk);  in tcp_enter_quickack_mode()  local
224 	icsk->icsk_ack.pingpong = 0;  in tcp_enter_quickack_mode()
225 	icsk->icsk_ack.ato = TCP_ATO_MIN;  in tcp_enter_quickack_mode()
235 	const struct inet_connection_sock *icsk = inet_csk(sk);  in tcp_in_quickack_mode()  local
239 		(icsk->icsk_ack.quick && !icsk->icsk_ack.pingpong);  in tcp_in_quickack_mode()
492 	struct inet_connection_sock *icsk = inet_csk(sk);  in tcp_clamp_window()  local
495 	icsk->icsk_ack.quick = 0;  in tcp_clamp_window()
690 	struct inet_connection_sock *icsk = inet_csk(sk);  in tcp_event_data_recv()  local
701 	if (!icsk->icsk_ack.ato) {  in tcp_event_data_recv()
706 		icsk->icsk_ack.ato = TCP_ATO_MIN;  in tcp_event_data_recv()
708 		int m = now - icsk->icsk_ack.lrcvtime;  in tcp_event_data_recv()
712 			icsk->icsk_ack.ato = (icsk->icsk_ack.ato >> 1) + TCP_ATO_MIN / 2;  in tcp_event_data_recv()
713 		} else if (m < icsk->icsk_ack.ato) {  in tcp_event_data_recv()
714 			icsk->icsk_ack.ato = (icsk->icsk_ack.ato >> 1) + m;  in tcp_event_data_recv()
715 			if (icsk->icsk_ack.ato > icsk->icsk_rto)  in tcp_event_data_recv()
716 				icsk->icsk_ack.ato = icsk->icsk_rto;  in tcp_event_data_recv()
717 		} else if (m > icsk->icsk_rto) {  in tcp_event_data_recv()
725 	icsk->icsk_ack.lrcvtime = now;  in tcp_event_data_recv()
1980 	const struct inet_connection_sock *icsk = inet_csk(sk);  in tcp_enter_loss()  local
1983 	bool new_recovery = icsk->icsk_ca_state < TCP_CA_Recovery;  in tcp_enter_loss()
1988 	if (icsk->icsk_ca_state <= TCP_CA_Disorder ||  in tcp_enter_loss()
1990 	    (icsk->icsk_ca_state == TCP_CA_Loss && !icsk->icsk_retransmits)) {  in tcp_enter_loss()
1993 		tp->snd_ssthresh = icsk->icsk_ca_ops->ssthresh(sk);  in tcp_enter_loss()
2004 	if (icsk->icsk_ca_state <= TCP_CA_Disorder &&  in tcp_enter_loss()
2017 		   (new_recovery || icsk->icsk_retransmits) &&  in tcp_enter_loss()
2351 		const struct inet_connection_sock *icsk = inet_csk(sk);  in tcp_undo_cwnd_reduction()  local
2353 		tp->snd_cwnd = icsk->icsk_ca_ops->undo_cwnd(sk);  in tcp_undo_cwnd_reduction()
2557 	struct inet_connection_sock *icsk = inet_csk(sk);  in tcp_mtup_probe_failed()  local
2559 	icsk->icsk_mtup.search_high = icsk->icsk_mtup.probe_size - 1;  in tcp_mtup_probe_failed()
2560 	icsk->icsk_mtup.probe_size = 0;  in tcp_mtup_probe_failed()
2567 	struct inet_connection_sock *icsk = inet_csk(sk);  in tcp_mtup_probe_success()  local
2573 		       icsk->icsk_mtup.probe_size;  in tcp_mtup_probe_success()
2578 	icsk->icsk_mtup.search_low = icsk->icsk_mtup.probe_size;  in tcp_mtup_probe_success()
2579 	icsk->icsk_mtup.probe_size = 0;  in tcp_mtup_probe_success()
2580 	tcp_sync_mss(sk, icsk->icsk_pmtu_cookie);  in tcp_mtup_probe_success()
2590 	const struct inet_connection_sock *icsk = inet_csk(sk);  in tcp_simple_retransmit()  local
2621 	if (icsk->icsk_ca_state != TCP_CA_Loss) {  in tcp_simple_retransmit()
2783 	struct inet_connection_sock *icsk = inet_csk(sk);  in tcp_fastretrans_alert()  local
2806 	if (icsk->icsk_ca_state == TCP_CA_Open) {  in tcp_fastretrans_alert()
2810 		switch (icsk->icsk_ca_state) {  in tcp_fastretrans_alert()
2831 	switch (icsk->icsk_ca_state) {  in tcp_fastretrans_alert()
2852 		if (!(icsk->icsk_ca_state == TCP_CA_Open ||  in tcp_fastretrans_alert()
2865 		if (icsk->icsk_ca_state <= TCP_CA_Disorder)  in tcp_fastretrans_alert()
2875 		if (icsk->icsk_ca_state < TCP_CA_CWR &&  in tcp_fastretrans_alert()
2876 		    icsk->icsk_mtup.probe_size &&  in tcp_fastretrans_alert()
2970 	const struct inet_connection_sock *icsk = inet_csk(sk);  in tcp_cong_avoid()  local
2972 	icsk->icsk_ca_ops->cong_avoid(sk, ack, acked);  in tcp_cong_avoid()
2981 	const struct inet_connection_sock *icsk = inet_csk(sk);  in tcp_rearm_rto()  local
2995 		if (icsk->icsk_pending == ICSK_TIME_REO_TIMEOUT ||  in tcp_rearm_rto()
2996 		    icsk->icsk_pending == ICSK_TIME_LOSS_PROBE) {  in tcp_rearm_rto()
3062 	const struct inet_connection_sock *icsk = inet_csk(sk);  in tcp_clean_rtx_queue()  local
3191 		if (unlikely(icsk->icsk_mtup.probe_size &&  in tcp_clean_rtx_queue()
3226 	if (icsk->icsk_ca_ops->pkts_acked) {  in tcp_clean_rtx_queue()
3231 		icsk->icsk_ca_ops->pkts_acked(sk, &sample);  in tcp_clean_rtx_queue()
3239 		icsk = inet_csk(sk);  in tcp_clean_rtx_queue()
3242 				 tp->lost_out, icsk->icsk_ca_state);  in tcp_clean_rtx_queue()
3247 				 tp->sacked_out, icsk->icsk_ca_state);  in tcp_clean_rtx_queue()
3252 				 tp->retrans_out, icsk->icsk_ca_state);  in tcp_clean_rtx_queue()
3262 	struct inet_connection_sock *icsk = inet_csk(sk);  in tcp_ack_probe()  local
3270 		icsk->icsk_backoff = 0;  in tcp_ack_probe()
3312 	const struct inet_connection_sock *icsk = inet_csk(sk);  in tcp_cong_control()  local
3314 	if (icsk->icsk_ca_ops->cong_control) {  in tcp_cong_control()
3315 		icsk->icsk_ca_ops->cong_control(sk, rs);  in tcp_cong_control()
3527 	const struct inet_connection_sock *icsk = inet_csk(sk);  in tcp_in_ack_event()  local
3529 	if (icsk->icsk_ca_ops->in_ack_event)  in tcp_in_ack_event()
3530 		icsk->icsk_ca_ops->in_ack_event(sk, flags);  in tcp_in_ack_event()
3573 	struct inet_connection_sock *icsk = inet_csk(sk);  in tcp_ack()  local
3615 		icsk->icsk_retransmits = 0;  in tcp_ack()
3619 			if (icsk->icsk_clean_acked)  in tcp_ack()
3620 				icsk->icsk_clean_acked(sk, ack);  in tcp_ack()
3674 	icsk->icsk_probes_out = 0;  in tcp_ack()
5658 	struct inet_connection_sock *icsk = inet_csk(sk);  in tcp_finish_connect()  local
5661 	icsk->icsk_ack.lrcvtime = tcp_jiffies32;  in tcp_finish_connect()
5664 		icsk->icsk_af_ops->sk_rx_dst_set(sk, skb);  in tcp_finish_connect()
5759 	struct inet_connection_sock *icsk = inet_csk(sk);  in tcp_rcv_synsent_state_process()  local
5851 		tcp_sync_mss(sk, icsk->icsk_pmtu_cookie);  in tcp_rcv_synsent_state_process()
5875 		    icsk->icsk_accept_queue.rskq_defer_accept ||  in tcp_rcv_synsent_state_process()
5876 		    icsk->icsk_ack.pingpong) {  in tcp_rcv_synsent_state_process()
5945 		tcp_sync_mss(sk, icsk->icsk_pmtu_cookie);  in tcp_rcv_synsent_state_process()
5991 	struct inet_connection_sock *icsk = inet_csk(sk);  in tcp_rcv_state_process()  local
6016 			acceptable = icsk->icsk_af_ops->conn_request(sk, skb) >= 0;  in tcp_rcv_state_process()