119 void clean_acked_data_enable(struct inet_connection_sock *icsk,  in clean_acked_data_enable()  argument
122 	icsk->icsk_clean_acked = cad;  in clean_acked_data_enable()
127 void clean_acked_data_disable(struct inet_connection_sock *icsk)  in clean_acked_data_disable()  argument
130 	icsk->icsk_clean_acked = NULL;  in clean_acked_data_disable()
228 	struct inet_connection_sock *icsk = inet_csk(sk);  in tcp_measure_rcv_mss()  local
229 	const unsigned int lss = icsk->icsk_ack.last_seg_size;  in tcp_measure_rcv_mss()
232 	icsk->icsk_ack.last_seg_size = 0;  in tcp_measure_rcv_mss()
238 	if (len >= icsk->icsk_ack.rcv_mss) {  in tcp_measure_rcv_mss()
239 		icsk->icsk_ack.rcv_mss = min_t(unsigned int, len,  in tcp_measure_rcv_mss()
242 		if (unlikely(len > icsk->icsk_ack.rcv_mss +  in tcp_measure_rcv_mss()
265 			icsk->icsk_ack.last_seg_size = len;  in tcp_measure_rcv_mss()
267 				icsk->icsk_ack.rcv_mss = len;  in tcp_measure_rcv_mss()
271 		if (icsk->icsk_ack.pending & ICSK_ACK_PUSHED)  in tcp_measure_rcv_mss()
272 			icsk->icsk_ack.pending |= ICSK_ACK_PUSHED2;  in tcp_measure_rcv_mss()
273 		icsk->icsk_ack.pending |= ICSK_ACK_PUSHED;  in tcp_measure_rcv_mss()
279 	struct inet_connection_sock *icsk = inet_csk(sk);  in tcp_incr_quickack()  local
280 	unsigned int quickacks = tcp_sk(sk)->rcv_wnd / (2 * icsk->icsk_ack.rcv_mss);  in tcp_incr_quickack()
285 	if (quickacks > icsk->icsk_ack.quick)  in tcp_incr_quickack()
286 		icsk->icsk_ack.quick = quickacks;  in tcp_incr_quickack()
291 	struct inet_connection_sock *icsk = inet_csk(sk);  in tcp_enter_quickack_mode()  local
295 	icsk->icsk_ack.ato = TCP_ATO_MIN;  in tcp_enter_quickack_mode()
305 	const struct inet_connection_sock *icsk = inet_csk(sk);  in tcp_in_quickack_mode()  local
309 		(icsk->icsk_ack.quick && !inet_csk_in_pingpong_mode(sk));  in tcp_in_quickack_mode()
544 	struct inet_connection_sock *icsk = inet_csk(sk);  in tcp_clamp_window()  local
547 	icsk->icsk_ack.quick = 0;  in tcp_clamp_window()
745 	struct inet_connection_sock *icsk = inet_csk(sk);  in tcp_event_data_recv()  local
756 	if (!icsk->icsk_ack.ato) {  in tcp_event_data_recv()
761 		icsk->icsk_ack.ato = TCP_ATO_MIN;  in tcp_event_data_recv()
763 		int m = now - icsk->icsk_ack.lrcvtime;  in tcp_event_data_recv()
767 			icsk->icsk_ack.ato = (icsk->icsk_ack.ato >> 1) + TCP_ATO_MIN / 2;  in tcp_event_data_recv()
768 		} else if (m < icsk->icsk_ack.ato) {  in tcp_event_data_recv()
769 			icsk->icsk_ack.ato = (icsk->icsk_ack.ato >> 1) + m;  in tcp_event_data_recv()
770 			if (icsk->icsk_ack.ato > icsk->icsk_rto)  in tcp_event_data_recv()
771 				icsk->icsk_ack.ato = icsk->icsk_rto;  in tcp_event_data_recv()
772 		} else if (m > icsk->icsk_rto) {  in tcp_event_data_recv()
780 	icsk->icsk_ack.lrcvtime = now;  in tcp_event_data_recv()
2096 	const struct inet_connection_sock *icsk = inet_csk(sk);  in tcp_enter_loss()  local
2099 	bool new_recovery = icsk->icsk_ca_state < TCP_CA_Recovery;  in tcp_enter_loss()
2104 	if (icsk->icsk_ca_state <= TCP_CA_Disorder ||  in tcp_enter_loss()
2106 	    (icsk->icsk_ca_state == TCP_CA_Loss && !icsk->icsk_retransmits)) {  in tcp_enter_loss()
2109 		tp->snd_ssthresh = icsk->icsk_ca_ops->ssthresh(sk);  in tcp_enter_loss()
2120 	if (icsk->icsk_ca_state <= TCP_CA_Disorder &&  in tcp_enter_loss()
2133 		   (new_recovery || icsk->icsk_retransmits) &&  in tcp_enter_loss()
2451 		const struct inet_connection_sock *icsk = inet_csk(sk);  in tcp_undo_cwnd_reduction()  local
2453 		tp->snd_cwnd = icsk->icsk_ca_ops->undo_cwnd(sk);  in tcp_undo_cwnd_reduction()
2657 	struct inet_connection_sock *icsk = inet_csk(sk);  in tcp_mtup_probe_failed()  local
2659 	icsk->icsk_mtup.search_high = icsk->icsk_mtup.probe_size - 1;  in tcp_mtup_probe_failed()
2660 	icsk->icsk_mtup.probe_size = 0;  in tcp_mtup_probe_failed()
2667 	struct inet_connection_sock *icsk = inet_csk(sk);  in tcp_mtup_probe_success()  local
2673 		       icsk->icsk_mtup.probe_size;  in tcp_mtup_probe_success()
2678 	icsk->icsk_mtup.search_low = icsk->icsk_mtup.probe_size;  in tcp_mtup_probe_success()
2679 	icsk->icsk_mtup.probe_size = 0;  in tcp_mtup_probe_success()
2680 	tcp_sync_mss(sk, icsk->icsk_pmtu_cookie);  in tcp_mtup_probe_success()
2690 	const struct inet_connection_sock *icsk = inet_csk(sk);  in tcp_simple_retransmit()  local
2715 	if (icsk->icsk_ca_state != TCP_CA_Loss) {  in tcp_simple_retransmit()
2877 	struct inet_connection_sock *icsk = inet_csk(sk);  in tcp_fastretrans_alert()  local
2901 	if (icsk->icsk_ca_state == TCP_CA_Open) {  in tcp_fastretrans_alert()
2905 		switch (icsk->icsk_ca_state) {  in tcp_fastretrans_alert()
2926 	switch (icsk->icsk_ca_state) {  in tcp_fastretrans_alert()
2946 		if (!(icsk->icsk_ca_state == TCP_CA_Open ||  in tcp_fastretrans_alert()
2958 		if (icsk->icsk_ca_state <= TCP_CA_Disorder)  in tcp_fastretrans_alert()
2968 		if (icsk->icsk_ca_state < TCP_CA_CWR &&  in tcp_fastretrans_alert()
2969 		    icsk->icsk_mtup.probe_size &&  in tcp_fastretrans_alert()
3067 	const struct inet_connection_sock *icsk = inet_csk(sk);  in tcp_cong_avoid()  local
3069 	icsk->icsk_ca_ops->cong_avoid(sk, ack, acked);  in tcp_cong_avoid()
3078 	const struct inet_connection_sock *icsk = inet_csk(sk);  in tcp_rearm_rto()  local
3092 		if (icsk->icsk_pending == ICSK_TIME_REO_TIMEOUT ||  in tcp_rearm_rto()
3093 		    icsk->icsk_pending == ICSK_TIME_LOSS_PROBE) {  in tcp_rearm_rto()
3159 	const struct inet_connection_sock *icsk = inet_csk(sk);  in tcp_clean_rtx_queue()  local
3292 		if (unlikely(icsk->icsk_mtup.probe_size &&  in tcp_clean_rtx_queue()
3328 	if (icsk->icsk_ca_ops->pkts_acked) {  in tcp_clean_rtx_queue()
3333 		icsk->icsk_ca_ops->pkts_acked(sk, &sample);  in tcp_clean_rtx_queue()
3341 		icsk = inet_csk(sk);  in tcp_clean_rtx_queue()
3344 				 tp->lost_out, icsk->icsk_ca_state);  in tcp_clean_rtx_queue()
3349 				 tp->sacked_out, icsk->icsk_ca_state);  in tcp_clean_rtx_queue()
3354 				 tp->retrans_out, icsk->icsk_ca_state);  in tcp_clean_rtx_queue()
3364 	struct inet_connection_sock *icsk = inet_csk(sk);  in tcp_ack_probe()  local
3372 		icsk->icsk_backoff = 0;  in tcp_ack_probe()
3414 	const struct inet_connection_sock *icsk = inet_csk(sk);  in tcp_cong_control()  local
3416 	if (icsk->icsk_ca_ops->cong_control) {  in tcp_cong_control()
3417 		icsk->icsk_ca_ops->cong_control(sk, rs);  in tcp_cong_control()
3630 	const struct inet_connection_sock *icsk = inet_csk(sk);  in tcp_in_ack_event()  local
3632 	if (icsk->icsk_ca_ops->in_ack_event)  in tcp_in_ack_event()
3633 		icsk->icsk_ca_ops->in_ack_event(sk, flags);  in tcp_in_ack_event()
3675 	struct inet_connection_sock *icsk = inet_csk(sk);  in tcp_ack()  local
3718 		icsk->icsk_retransmits = 0;  in tcp_ack()
3722 			if (icsk->icsk_clean_acked)  in tcp_ack()
3723 				icsk->icsk_clean_acked(sk, ack);  in tcp_ack()
3791 	icsk->icsk_probes_out = 0;  in tcp_ack()
5886 	struct inet_connection_sock *icsk = inet_csk(sk);  in tcp_init_transfer()  local
5890 	icsk->icsk_af_ops->rebuild_header(sk);  in tcp_init_transfer()
5905 	icsk->icsk_ca_initialized = 0;  in tcp_init_transfer()
5907 	if (!icsk->icsk_ca_initialized)  in tcp_init_transfer()
5915 	struct inet_connection_sock *icsk = inet_csk(sk);  in tcp_finish_connect()  local
5918 	icsk->icsk_ack.lrcvtime = tcp_jiffies32;  in tcp_finish_connect()
5921 		icsk->icsk_af_ops->sk_rx_dst_set(sk, skb);  in tcp_finish_connect()
6035 	struct inet_connection_sock *icsk = inet_csk(sk);  in tcp_rcv_synsent_state_process()  local
6057 			if (icsk->icsk_retransmits == 0)  in tcp_rcv_synsent_state_process()
6134 		tcp_sync_mss(sk, icsk->icsk_pmtu_cookie);  in tcp_rcv_synsent_state_process()
6158 		    icsk->icsk_accept_queue.rskq_defer_accept ||  in tcp_rcv_synsent_state_process()
6228 		tcp_sync_mss(sk, icsk->icsk_pmtu_cookie);  in tcp_rcv_synsent_state_process()
6306 	struct inet_connection_sock *icsk = inet_csk(sk);  in tcp_rcv_state_process()  local
6331 			acceptable = icsk->icsk_af_ops->conn_request(sk, skb) >= 0;  in tcp_rcv_state_process()