120 tcp_ecn_input_syn_sent(struct tcpcb *tp, uint16_t thflags, int iptos)  in tcp_ecn_input_syn_sent()  argument
130 			tp->t_flags2 |= TF2_ECN_PERMIT;  in tcp_ecn_input_syn_sent()
131 			tp->t_flags2 &= ~TF2_ACE_PERMIT;  in tcp_ecn_input_syn_sent()
151 			tp->t_flags2 |= TF2_ECN_PERMIT;  in tcp_ecn_input_syn_sent()
152 			tp->t_flags2 &= ~TF2_ACE_PERMIT;  in tcp_ecn_input_syn_sent()
157 			tp->t_flags2 |= TF2_ACE_PERMIT;  in tcp_ecn_input_syn_sent()
158 			tp->t_flags2 &= ~TF2_ECN_PERMIT;  in tcp_ecn_input_syn_sent()
159 			tp->t_scep = 5;  in tcp_ecn_input_syn_sent()
165 			tp->t_flags2 |= TF2_ACE_PERMIT;  in tcp_ecn_input_syn_sent()
166 			tp->t_flags2 &= ~TF2_ECN_PERMIT;  in tcp_ecn_input_syn_sent()
167 			tp->t_scep = 5;  in tcp_ecn_input_syn_sent()
173 			tp->t_flags2 |= TF2_ACE_PERMIT;  in tcp_ecn_input_syn_sent()
174 			tp->t_flags2 &= ~TF2_ECN_PERMIT;  in tcp_ecn_input_syn_sent()
175 			tp->t_scep = 5;  in tcp_ecn_input_syn_sent()
181 			tp->t_flags2 |= TF2_ACE_PERMIT;  in tcp_ecn_input_syn_sent()
182 			tp->t_flags2 &= ~TF2_ECN_PERMIT;  in tcp_ecn_input_syn_sent()
183 			tp->t_scep = 6;  in tcp_ecn_input_syn_sent()
189 			tp->snd_cwnd = 2 * tcp_maxseg(tp);  in tcp_ecn_input_syn_sent()
194 			tp->t_flags2 &= ~(TF2_ECN_PERMIT | TF2_ACE_PERMIT);  in tcp_ecn_input_syn_sent()
206 			tp->t_rcep = 0b010;  in tcp_ecn_input_syn_sent()
209 			tp->t_rcep = 0b100;  in tcp_ecn_input_syn_sent()
212 			tp->t_rcep = 0b011;  in tcp_ecn_input_syn_sent()
215 			tp->t_rcep = 0b110;  in tcp_ecn_input_syn_sent()
226 tcp_ecn_input_parallel_syn(struct tcpcb *tp, uint16_t thflags, int iptos)  in tcp_ecn_input_parallel_syn()  argument
238 			tp->t_flags2 |= TF2_ECN_PERMIT;  in tcp_ecn_input_parallel_syn()
239 			tp->t_flags2 &= ~TF2_ACE_PERMIT;  in tcp_ecn_input_parallel_syn()
240 			tp->t_flags2 |= TF2_ECN_SND_ECE;  in tcp_ecn_input_parallel_syn()
251 			tp->t_flags2 &= ~(TF2_ECN_PERMIT | TF2_ACE_PERMIT);  in tcp_ecn_input_parallel_syn()
254 			tp->t_flags2 |= TF2_ECN_PERMIT;  in tcp_ecn_input_parallel_syn()
255 			tp->t_flags2 &= ~TF2_ACE_PERMIT;  in tcp_ecn_input_parallel_syn()
256 			tp->t_flags2 |= TF2_ECN_SND_ECE;  in tcp_ecn_input_parallel_syn()
260 			tp->t_flags2 |= TF2_ACE_PERMIT;  in tcp_ecn_input_parallel_syn()
261 			tp->t_flags2 &= ~TF2_ECN_PERMIT;  in tcp_ecn_input_parallel_syn()
272 				tp->t_rcep = 0b010;  in tcp_ecn_input_parallel_syn()
275 				tp->t_rcep = 0b100;  in tcp_ecn_input_parallel_syn()
278 				tp->t_rcep = 0b011;  in tcp_ecn_input_parallel_syn()
281 				tp->t_rcep = 0b110;  in tcp_ecn_input_parallel_syn()
294 tcp_ecn_input_segment(struct tcpcb *tp, uint16_t thflags, int tlen, int pkts, int iptos)  in tcp_ecn_input_segment()  argument
310 	if (tp->t_flags2 & (TF2_ECN_PERMIT | TF2_ACE_PERMIT)) {  in tcp_ecn_input_segment()
311 		if (tp->t_flags2 & TF2_ACE_PERMIT) {  in tcp_ecn_input_segment()
313 				tp->t_rcep += 1;  in tcp_ecn_input_segment()
314 			if (tp->t_flags2 & TF2_ECN_PERMIT) {  in tcp_ecn_input_segment()
316 					    (tp->t_scep & 7)) & 7;  in tcp_ecn_input_segment()
320 				tp->t_scep += delta_cep;  in tcp_ecn_input_segment()
335 					tp->t_scep = 5;  in tcp_ecn_input_segment()
339 					tp->t_scep = 6;  in tcp_ecn_input_segment()
340 					tp->snd_cwnd = 2 * tcp_maxseg(tp);  in tcp_ecn_input_segment()
344 					tp->t_scep = 5;  in tcp_ecn_input_segment()
347 				tp->t_flags2 |= TF2_ECN_PERMIT;  in tcp_ecn_input_segment()
353 				tp->t_scep++;  in tcp_ecn_input_segment()
356 				tp->t_flags2 &= ~TF2_ECN_SND_ECE;  in tcp_ecn_input_segment()
357 				tp->t_flags |= TF_ACKNOW;  in tcp_ecn_input_segment()
360 				tp->t_flags2 |= TF2_ECN_SND_ECE;  in tcp_ecn_input_segment()
364 		cc_ecnpkt_handler_flags(tp, thflags, iptos);  in tcp_ecn_input_segment()
374 tcp_ecn_output_syn_sent(struct tcpcb *tp)  in tcp_ecn_output_syn_sent()  argument
382 		if (tp->t_rxtshift >= 1) {  in tcp_ecn_output_syn_sent()
383 			if (tp->t_rxtshift <= V_tcp_ecn_maxretries)  in tcp_ecn_output_syn_sent()
389 		if (tp->t_rxtshift >= 1) {  in tcp_ecn_output_syn_sent()
390 			if (tp->t_rxtshift <= V_tcp_ecn_maxretries)  in tcp_ecn_output_syn_sent()
404 tcp_ecn_output_established(struct tcpcb *tp, uint16_t *thflags, int len, bool rxmit)  in tcp_ecn_output_established()  argument
415 	newdata = (len > 0 && SEQ_GEQ(tp->snd_nxt, tp->snd_max) &&  in tcp_ecn_output_established()
417 		    !((tp->t_flags & TF_FORCEDATA) && len == 1));  in tcp_ecn_output_established()
420 		if (tp->t_flags2 & TF2_ECN_USE_ECT1) {  in tcp_ecn_output_established()
431 	if (tp->t_flags2 & TF2_ACE_PERMIT) {  in tcp_ecn_output_established()
432 		tcp_ecn_set_ace(thflags, tp->t_rcep);  in tcp_ecn_output_established()
433 		if (!(tp->t_flags2 & TF2_ECN_PERMIT)) {  in tcp_ecn_output_established()
438 			if (tp->t_rcep == 0b110) {  in tcp_ecn_output_established()
439 				tp->t_rcep = 6;  in tcp_ecn_output_established()
441 				tp->t_rcep = 5;  in tcp_ecn_output_established()
443 			tp->t_flags2 |= TF2_ECN_PERMIT;  in tcp_ecn_output_established()
447 		    (tp->t_flags2 & TF2_ECN_SND_CWR)) {  in tcp_ecn_output_established()
449 			tp->t_flags2 &= ~TF2_ECN_SND_CWR;  in tcp_ecn_output_established()
451 		if (tp->t_flags2 & TF2_ECN_SND_ECE)  in tcp_ecn_output_established()
463 tcp_ecn_syncache_socket(struct tcpcb *tp, struct syncache *sc)  in tcp_ecn_syncache_socket()  argument
468 			tp->t_flags2 |= TF2_ECN_PERMIT;  in tcp_ecn_syncache_socket()
475 			tp->t_flags2 |= TF2_ACE_PERMIT;  in tcp_ecn_syncache_socket()
476 			tp->t_scep = 5;  in tcp_ecn_syncache_socket()
477 			tp->t_rcep = 5;  in tcp_ecn_syncache_socket()
480 			tp->t_flags2 |= TF2_ACE_PERMIT;  in tcp_ecn_syncache_socket()
481 			tp->t_scep = 6;  in tcp_ecn_syncache_socket()
482 			tp->t_rcep = 6;  in tcp_ecn_syncache_socket()