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()
567 	struct inet_connection_sock *icsk = inet_csk(sk);  in tcp_clamp_window()  local
570 	icsk->icsk_ack.quick = 0;  in tcp_clamp_window()
768 	struct inet_connection_sock *icsk = inet_csk(sk);  in tcp_event_data_recv()  local
779 	if (!icsk->icsk_ack.ato) {  in tcp_event_data_recv()
784 		icsk->icsk_ack.ato = TCP_ATO_MIN;  in tcp_event_data_recv()
786 		int m = now - icsk->icsk_ack.lrcvtime;  in tcp_event_data_recv()
790 			icsk->icsk_ack.ato = (icsk->icsk_ack.ato >> 1) + TCP_ATO_MIN / 2;  in tcp_event_data_recv()
791 		} else if (m < icsk->icsk_ack.ato) {  in tcp_event_data_recv()
792 			icsk->icsk_ack.ato = (icsk->icsk_ack.ato >> 1) + m;  in tcp_event_data_recv()
793 			if (icsk->icsk_ack.ato > icsk->icsk_rto)  in tcp_event_data_recv()
794 				icsk->icsk_ack.ato = icsk->icsk_rto;  in tcp_event_data_recv()
795 		} else if (m > icsk->icsk_rto) {  in tcp_event_data_recv()
803 	icsk->icsk_ack.lrcvtime = now;  in tcp_event_data_recv()
2128 	const struct inet_connection_sock *icsk = inet_csk(sk);  in tcp_enter_loss()  local
2131 	bool new_recovery = icsk->icsk_ca_state < TCP_CA_Recovery;  in tcp_enter_loss()
2136 	if (icsk->icsk_ca_state <= TCP_CA_Disorder ||  in tcp_enter_loss()
2138 	    (icsk->icsk_ca_state == TCP_CA_Loss && !icsk->icsk_retransmits)) {  in tcp_enter_loss()
2141 		tp->snd_ssthresh = icsk->icsk_ca_ops->ssthresh(sk);  in tcp_enter_loss()
2152 	if (icsk->icsk_ca_state <= TCP_CA_Disorder &&  in tcp_enter_loss()
2165 		   (new_recovery || icsk->icsk_retransmits) &&  in tcp_enter_loss()
2483 		const struct inet_connection_sock *icsk = inet_csk(sk);  in tcp_undo_cwnd_reduction()  local
2485 		tp->snd_cwnd = icsk->icsk_ca_ops->undo_cwnd(sk);  in tcp_undo_cwnd_reduction()
2688 	struct inet_connection_sock *icsk = inet_csk(sk);  in tcp_mtup_probe_failed()  local
2690 	icsk->icsk_mtup.search_high = icsk->icsk_mtup.probe_size - 1;  in tcp_mtup_probe_failed()
2691 	icsk->icsk_mtup.probe_size = 0;  in tcp_mtup_probe_failed()
2698 	struct inet_connection_sock *icsk = inet_csk(sk);  in tcp_mtup_probe_success()  local
2704 		       icsk->icsk_mtup.probe_size;  in tcp_mtup_probe_success()
2709 	icsk->icsk_mtup.search_low = icsk->icsk_mtup.probe_size;  in tcp_mtup_probe_success()
2710 	icsk->icsk_mtup.probe_size = 0;  in tcp_mtup_probe_success()
2711 	tcp_sync_mss(sk, icsk->icsk_pmtu_cookie);  in tcp_mtup_probe_success()
2721 	const struct inet_connection_sock *icsk = inet_csk(sk);  in tcp_simple_retransmit()  local
2761 	if (icsk->icsk_ca_state != TCP_CA_Loss) {  in tcp_simple_retransmit()
2927 	struct inet_connection_sock *icsk = inet_csk(sk);  in tcp_fastretrans_alert()  local
2951 	if (icsk->icsk_ca_state == TCP_CA_Open) {  in tcp_fastretrans_alert()
2955 		switch (icsk->icsk_ca_state) {  in tcp_fastretrans_alert()
2976 	switch (icsk->icsk_ca_state) {  in tcp_fastretrans_alert()
2988 		if (icsk->icsk_ca_state != TCP_CA_Recovery) {  in tcp_fastretrans_alert()
3000 		if (!(icsk->icsk_ca_state == TCP_CA_Open ||  in tcp_fastretrans_alert()
3012 		if (icsk->icsk_ca_state <= TCP_CA_Disorder)  in tcp_fastretrans_alert()
3022 		if (icsk->icsk_ca_state < TCP_CA_CWR &&  in tcp_fastretrans_alert()
3023 		    icsk->icsk_mtup.probe_size &&  in tcp_fastretrans_alert()
3121 	const struct inet_connection_sock *icsk = inet_csk(sk);  in tcp_cong_avoid()  local
3123 	icsk->icsk_ca_ops->cong_avoid(sk, ack, acked);  in tcp_cong_avoid()
3132 	const struct inet_connection_sock *icsk = inet_csk(sk);  in tcp_rearm_rto()  local
3146 		if (icsk->icsk_pending == ICSK_TIME_REO_TIMEOUT ||  in tcp_rearm_rto()
3147 		    icsk->icsk_pending == ICSK_TIME_LOSS_PROBE) {  in tcp_rearm_rto()
3213 	const struct inet_connection_sock *icsk = inet_csk(sk);  in tcp_clean_rtx_queue()  local
3346 		if (unlikely(icsk->icsk_mtup.probe_size &&  in tcp_clean_rtx_queue()
3382 	if (icsk->icsk_ca_ops->pkts_acked) {  in tcp_clean_rtx_queue()
3387 		icsk->icsk_ca_ops->pkts_acked(sk, &sample);  in tcp_clean_rtx_queue()
3395 		icsk = inet_csk(sk);  in tcp_clean_rtx_queue()
3398 				 tp->lost_out, icsk->icsk_ca_state);  in tcp_clean_rtx_queue()
3403 				 tp->sacked_out, icsk->icsk_ca_state);  in tcp_clean_rtx_queue()
3408 				 tp->retrans_out, icsk->icsk_ca_state);  in tcp_clean_rtx_queue()
3418 	struct inet_connection_sock *icsk = inet_csk(sk);  in tcp_ack_probe()  local
3426 		icsk->icsk_backoff = 0;  in tcp_ack_probe()
3427 		icsk->icsk_probes_tstamp = 0;  in tcp_ack_probe()
3469 	const struct inet_connection_sock *icsk = inet_csk(sk);  in tcp_cong_control()  local
3471 	if (icsk->icsk_ca_ops->cong_control) {  in tcp_cong_control()
3472 		icsk->icsk_ca_ops->cong_control(sk, rs);  in tcp_cong_control()
3685 	const struct inet_connection_sock *icsk = inet_csk(sk);  in tcp_in_ack_event()  local
3687 	if (icsk->icsk_ca_ops->in_ack_event)  in tcp_in_ack_event()
3688 		icsk->icsk_ca_ops->in_ack_event(sk, flags);  in tcp_in_ack_event()
3730 	struct inet_connection_sock *icsk = inet_csk(sk);  in tcp_ack()  local
3773 		icsk->icsk_retransmits = 0;  in tcp_ack()
3777 			if (icsk->icsk_clean_acked)  in tcp_ack()
3778 				icsk->icsk_clean_acked(sk, ack);  in tcp_ack()
3846 	icsk->icsk_probes_out = 0;  in tcp_ack()
5946 	struct inet_connection_sock *icsk = inet_csk(sk);  in tcp_init_transfer()  local
5950 	icsk->icsk_af_ops->rebuild_header(sk);  in tcp_init_transfer()
5967 	if (!icsk->icsk_ca_initialized)  in tcp_init_transfer()
5975 	struct inet_connection_sock *icsk = inet_csk(sk);  in tcp_finish_connect()  local
5978 	icsk->icsk_ack.lrcvtime = tcp_jiffies32;  in tcp_finish_connect()
5981 		icsk->icsk_af_ops->sk_rx_dst_set(sk, skb);  in tcp_finish_connect()
6093 	struct inet_connection_sock *icsk = inet_csk(sk);  in tcp_rcv_synsent_state_process()  local
6115 			if (icsk->icsk_retransmits == 0)  in tcp_rcv_synsent_state_process()
6192 		tcp_sync_mss(sk, icsk->icsk_pmtu_cookie);  in tcp_rcv_synsent_state_process()
6216 		    icsk->icsk_accept_queue.rskq_defer_accept ||  in tcp_rcv_synsent_state_process()
6286 		tcp_sync_mss(sk, icsk->icsk_pmtu_cookie);  in tcp_rcv_synsent_state_process()
6364 	struct inet_connection_sock *icsk = inet_csk(sk);  in tcp_rcv_state_process()  local
6389 			acceptable = icsk->icsk_af_ops->conn_request(sk, skb) >= 0;  in tcp_rcv_state_process()