76 static void dctcp_reset(const struct tcp_sock *tp, struct dctcp *ca)  in dctcp_reset()  argument
78 	ca->next_seq = tp->snd_nxt;  in dctcp_reset()
86 	const struct tcp_sock *tp = tcp_sk(sk);  in dctcp_init()  local
88 	if ((tp->ecn_flags & TCP_ECN_OK) ||  in dctcp_init()
93 		ca->prior_snd_una = tp->snd_una;  in dctcp_init()
94 		ca->prior_rcv_nxt = tp->rcv_nxt;  in dctcp_init()
101 		dctcp_reset(tp, ca);  in dctcp_init()
115 	struct tcp_sock *tp = tcp_sk(sk);  in dctcp_ssthresh()  local
117 	return max(tp->snd_cwnd - ((tp->snd_cwnd * ca->dctcp_alpha) >> 11U), 2U);  in dctcp_ssthresh()
129 	struct tcp_sock *tp = tcp_sk(sk);  in dctcp_ce_state_0_to_1()  local
138 		tmp_rcv_nxt = tp->rcv_nxt;  in dctcp_ce_state_0_to_1()
141 		tp->ecn_flags &= ~TCP_ECN_DEMAND_CWR;  in dctcp_ce_state_0_to_1()
142 		tp->rcv_nxt = ca->prior_rcv_nxt;  in dctcp_ce_state_0_to_1()
147 		tp->rcv_nxt = tmp_rcv_nxt;  in dctcp_ce_state_0_to_1()
150 	ca->prior_rcv_nxt = tp->rcv_nxt;  in dctcp_ce_state_0_to_1()
153 	tp->ecn_flags |= TCP_ECN_DEMAND_CWR;  in dctcp_ce_state_0_to_1()
159 	struct tcp_sock *tp = tcp_sk(sk);  in dctcp_ce_state_1_to_0()  local
168 		tmp_rcv_nxt = tp->rcv_nxt;  in dctcp_ce_state_1_to_0()
171 		tp->ecn_flags |= TCP_ECN_DEMAND_CWR;  in dctcp_ce_state_1_to_0()
172 		tp->rcv_nxt = ca->prior_rcv_nxt;  in dctcp_ce_state_1_to_0()
177 		tp->rcv_nxt = tmp_rcv_nxt;  in dctcp_ce_state_1_to_0()
180 	ca->prior_rcv_nxt = tp->rcv_nxt;  in dctcp_ce_state_1_to_0()
183 	tp->ecn_flags &= ~TCP_ECN_DEMAND_CWR;  in dctcp_ce_state_1_to_0()
188 	const struct tcp_sock *tp = tcp_sk(sk);  in dctcp_update_alpha()  local
190 	u32 acked_bytes = tp->snd_una - ca->prior_snd_una;  in dctcp_update_alpha()
199 		ca->prior_snd_una = tp->snd_una;  in dctcp_update_alpha()
206 	if (!before(tp->snd_una, ca->next_seq)) {  in dctcp_update_alpha()
227 		dctcp_reset(tp, ca);  in dctcp_update_alpha()