120 void clean_acked_data_enable(struct inet_connection_sock *icsk,  in clean_acked_data_enable()  argument
123 	icsk->icsk_clean_acked = cad;  in clean_acked_data_enable()
128 void clean_acked_data_disable(struct inet_connection_sock *icsk)  in clean_acked_data_disable()  argument
131 	icsk->icsk_clean_acked = NULL;  in clean_acked_data_disable()
229 	struct inet_connection_sock *icsk = inet_csk(sk);  in tcp_measure_rcv_mss()  local
230 	const unsigned int lss = icsk->icsk_ack.last_seg_size;  in tcp_measure_rcv_mss()
233 	icsk->icsk_ack.last_seg_size = 0;  in tcp_measure_rcv_mss()
239 	if (len >= icsk->icsk_ack.rcv_mss) {  in tcp_measure_rcv_mss()
240 		icsk->icsk_ack.rcv_mss = min_t(unsigned int, len,  in tcp_measure_rcv_mss()
243 		if (unlikely(len > icsk->icsk_ack.rcv_mss +  in tcp_measure_rcv_mss()
266 			icsk->icsk_ack.last_seg_size = len;  in tcp_measure_rcv_mss()
268 				icsk->icsk_ack.rcv_mss = len;  in tcp_measure_rcv_mss()
272 		if (icsk->icsk_ack.pending & ICSK_ACK_PUSHED)  in tcp_measure_rcv_mss()
273 			icsk->icsk_ack.pending |= ICSK_ACK_PUSHED2;  in tcp_measure_rcv_mss()
274 		icsk->icsk_ack.pending |= ICSK_ACK_PUSHED;  in tcp_measure_rcv_mss()
280 	struct inet_connection_sock *icsk = inet_csk(sk);  in tcp_incr_quickack()  local
281 	unsigned int quickacks = tcp_sk(sk)->rcv_wnd / (2 * icsk->icsk_ack.rcv_mss);  in tcp_incr_quickack()
286 	if (quickacks > icsk->icsk_ack.quick)  in tcp_incr_quickack()
287 		icsk->icsk_ack.quick = quickacks;  in tcp_incr_quickack()
292 	struct inet_connection_sock *icsk = inet_csk(sk);  in tcp_enter_quickack_mode()  local
296 	icsk->icsk_ack.ato = TCP_ATO_MIN;  in tcp_enter_quickack_mode()
306 	const struct inet_connection_sock *icsk = inet_csk(sk);  in tcp_in_quickack_mode()  local
310 		(icsk->icsk_ack.quick && !inet_csk_in_pingpong_mode(sk));  in tcp_in_quickack_mode()
575 	struct inet_connection_sock *icsk = inet_csk(sk);  in tcp_clamp_window()  local
579 	icsk->icsk_ack.quick = 0;  in tcp_clamp_window()
777 	struct inet_connection_sock *icsk = inet_csk(sk);  in tcp_event_data_recv()  local
788 	if (!icsk->icsk_ack.ato) {  in tcp_event_data_recv()
793 		icsk->icsk_ack.ato = TCP_ATO_MIN;  in tcp_event_data_recv()
795 		int m = now - icsk->icsk_ack.lrcvtime;  in tcp_event_data_recv()
799 			icsk->icsk_ack.ato = (icsk->icsk_ack.ato >> 1) + TCP_ATO_MIN / 2;  in tcp_event_data_recv()
800 		} else if (m < icsk->icsk_ack.ato) {  in tcp_event_data_recv()
801 			icsk->icsk_ack.ato = (icsk->icsk_ack.ato >> 1) + m;  in tcp_event_data_recv()
802 			if (icsk->icsk_ack.ato > icsk->icsk_rto)  in tcp_event_data_recv()
803 				icsk->icsk_ack.ato = icsk->icsk_rto;  in tcp_event_data_recv()
804 		} else if (m > icsk->icsk_rto) {  in tcp_event_data_recv()
811 	icsk->icsk_ack.lrcvtime = now;  in tcp_event_data_recv()
2139 	const struct inet_connection_sock *icsk = inet_csk(sk);  in tcp_enter_loss()  local
2142 	bool new_recovery = icsk->icsk_ca_state < TCP_CA_Recovery;  in tcp_enter_loss()
2148 	if (icsk->icsk_ca_state <= TCP_CA_Disorder ||  in tcp_enter_loss()
2150 	    (icsk->icsk_ca_state == TCP_CA_Loss && !icsk->icsk_retransmits)) {  in tcp_enter_loss()
2153 		tp->snd_ssthresh = icsk->icsk_ca_ops->ssthresh(sk);  in tcp_enter_loss()
2165 	if (icsk->icsk_ca_state <= TCP_CA_Disorder &&  in tcp_enter_loss()
2179 		   (new_recovery || icsk->icsk_retransmits) &&  in tcp_enter_loss()
2498 		const struct inet_connection_sock *icsk = inet_csk(sk);  in tcp_undo_cwnd_reduction()  local
2500 		tcp_snd_cwnd_set(tp, icsk->icsk_ca_ops->undo_cwnd(sk));  in tcp_undo_cwnd_reduction()
2714 	struct inet_connection_sock *icsk = inet_csk(sk);  in tcp_mtup_probe_failed()  local
2716 	icsk->icsk_mtup.search_high = icsk->icsk_mtup.probe_size - 1;  in tcp_mtup_probe_failed()
2717 	icsk->icsk_mtup.probe_size = 0;  in tcp_mtup_probe_failed()
2724 	struct inet_connection_sock *icsk = inet_csk(sk);  in tcp_mtup_probe_success()  local
2730 	do_div(val, icsk->icsk_mtup.probe_size);  in tcp_mtup_probe_success()
2738 	icsk->icsk_mtup.search_low = icsk->icsk_mtup.probe_size;  in tcp_mtup_probe_success()
2739 	icsk->icsk_mtup.probe_size = 0;  in tcp_mtup_probe_success()
2740 	tcp_sync_mss(sk, icsk->icsk_pmtu_cookie);  in tcp_mtup_probe_success()
2750 	const struct inet_connection_sock *icsk = inet_csk(sk);  in tcp_simple_retransmit()  local
2790 	if (icsk->icsk_ca_state != TCP_CA_Loss) {  in tcp_simple_retransmit()
2956 	struct inet_connection_sock *icsk = inet_csk(sk);  in tcp_fastretrans_alert()  local
2980 	if (icsk->icsk_ca_state == TCP_CA_Open) {  in tcp_fastretrans_alert()
2984 		switch (icsk->icsk_ca_state) {  in tcp_fastretrans_alert()
3005 	switch (icsk->icsk_ca_state) {  in tcp_fastretrans_alert()
3017 		if (icsk->icsk_ca_state != TCP_CA_Recovery) {  in tcp_fastretrans_alert()
3029 		if (!(icsk->icsk_ca_state == TCP_CA_Open ||  in tcp_fastretrans_alert()
3041 		if (icsk->icsk_ca_state <= TCP_CA_Disorder)  in tcp_fastretrans_alert()
3051 		if (icsk->icsk_ca_state < TCP_CA_CWR &&  in tcp_fastretrans_alert()
3052 		    icsk->icsk_mtup.probe_size &&  in tcp_fastretrans_alert()
3150 	const struct inet_connection_sock *icsk = inet_csk(sk);  in tcp_cong_avoid()  local
3152 	icsk->icsk_ca_ops->cong_avoid(sk, ack, acked);  in tcp_cong_avoid()
3161 	const struct inet_connection_sock *icsk = inet_csk(sk);  in tcp_rearm_rto()  local
3175 		if (icsk->icsk_pending == ICSK_TIME_REO_TIMEOUT ||  in tcp_rearm_rto()
3176 		    icsk->icsk_pending == ICSK_TIME_LOSS_PROBE) {  in tcp_rearm_rto()
3242 	const struct inet_connection_sock *icsk = inet_csk(sk);  in tcp_clean_rtx_queue()  local
3373 		if (unlikely(icsk->icsk_mtup.probe_size &&  in tcp_clean_rtx_queue()
3409 	if (icsk->icsk_ca_ops->pkts_acked) {  in tcp_clean_rtx_queue()
3415 		icsk->icsk_ca_ops->pkts_acked(sk, &sample);  in tcp_clean_rtx_queue()
3423 		icsk = inet_csk(sk);  in tcp_clean_rtx_queue()
3426 				 tp->lost_out, icsk->icsk_ca_state);  in tcp_clean_rtx_queue()
3431 				 tp->sacked_out, icsk->icsk_ca_state);  in tcp_clean_rtx_queue()
3436 				 tp->retrans_out, icsk->icsk_ca_state);  in tcp_clean_rtx_queue()
3446 	struct inet_connection_sock *icsk = inet_csk(sk);  in tcp_ack_probe()  local
3454 		icsk->icsk_backoff = 0;  in tcp_ack_probe()
3455 		icsk->icsk_probes_tstamp = 0;  in tcp_ack_probe()
3498 	const struct inet_connection_sock *icsk = inet_csk(sk);  in tcp_cong_control()  local
3500 	if (icsk->icsk_ca_ops->cong_control) {  in tcp_cong_control()
3501 		icsk->icsk_ca_ops->cong_control(sk, rs);  in tcp_cong_control()
3716 	const struct inet_connection_sock *icsk = inet_csk(sk);  in tcp_in_ack_event()  local
3718 	if (icsk->icsk_ca_ops->in_ack_event)  in tcp_in_ack_event()
3719 		icsk->icsk_ca_ops->in_ack_event(sk, flags);  in tcp_in_ack_event()
3761 	struct inet_connection_sock *icsk = inet_csk(sk);  in tcp_ack()  local
3804 		icsk->icsk_retransmits = 0;  in tcp_ack()
3808 			if (icsk->icsk_clean_acked)  in tcp_ack()
3809 				icsk->icsk_clean_acked(sk, ack);  in tcp_ack()
3877 	icsk->icsk_probes_out = 0;  in tcp_ack()
6024 	struct inet_connection_sock *icsk = inet_csk(sk);  in tcp_init_transfer()  local
6028 	icsk->icsk_af_ops->rebuild_header(sk);  in tcp_init_transfer()
6045 	if (!icsk->icsk_ca_initialized)  in tcp_init_transfer()
6053 	struct inet_connection_sock *icsk = inet_csk(sk);  in tcp_finish_connect()  local
6056 	icsk->icsk_ack.lrcvtime = tcp_jiffies32;  in tcp_finish_connect()
6059 		icsk->icsk_af_ops->sk_rx_dst_set(sk, skb);  in tcp_finish_connect()
6171 	struct inet_connection_sock *icsk = inet_csk(sk);  in tcp_rcv_synsent_state_process()  local
6194 			if (icsk->icsk_retransmits == 0)  in tcp_rcv_synsent_state_process()
6274 		tcp_sync_mss(sk, icsk->icsk_pmtu_cookie);  in tcp_rcv_synsent_state_process()
6298 		    icsk->icsk_accept_queue.rskq_defer_accept ||  in tcp_rcv_synsent_state_process()
6365 		tcp_sync_mss(sk, icsk->icsk_pmtu_cookie);  in tcp_rcv_synsent_state_process()
6444 	struct inet_connection_sock *icsk = inet_csk(sk);  in tcp_rcv_state_process()  local
6474 			acceptable = icsk->icsk_af_ops->conn_request(sk, skb) >= 0;  in tcp_rcv_state_process()