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sys/netinet/tcp_stacks/rack.c
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| Show First 20 Lines • Show All 13,432 Lines • ▼ Show 20 Lines | if (tp->t_rxtshift >= 1) { | ||||
| flags |= TH_ECE | TH_CWR; | flags |= TH_ECE | TH_CWR; | ||||
| } | } | ||||
| /* Handle parallel SYN for ECN */ | /* Handle parallel SYN for ECN */ | ||||
| if ((tp->t_state == TCPS_SYN_RECEIVED) && | if ((tp->t_state == TCPS_SYN_RECEIVED) && | ||||
| (tp->t_flags2 & TF2_ECN_SND_ECE)) { | (tp->t_flags2 & TF2_ECN_SND_ECE)) { | ||||
| flags |= TH_ECE; | flags |= TH_ECE; | ||||
| tp->t_flags2 &= ~TF2_ECN_SND_ECE; | tp->t_flags2 &= ~TF2_ECN_SND_ECE; | ||||
| } | } | ||||
| if (tp->t_state == TCPS_ESTABLISHED && | if (TCPS_HAVEESTABLISHED(tp->t_state) && | ||||
| (tp->t_flags2 & TF2_ECN_PERMIT)) { | (tp->t_flags2 & TF2_ECN_PERMIT)) { | ||||
| /* | /* | ||||
| * If the peer has ECN, mark data packets with ECN capable | * If the peer has ECN, mark data packets with ECN capable | ||||
| * transmission (ECT). Ignore pure ack packets, | * transmission (ECT). Ignore pure ack packets, | ||||
| * retransmissions. | * retransmissions. | ||||
| */ | */ | ||||
| if (len > 0 && SEQ_GEQ(tp->snd_nxt, tp->snd_max) && | if (len > 0 && SEQ_GEQ(tp->snd_nxt, tp->snd_max) && | ||||
| (sack_rxmit == 0)) { | (sack_rxmit == 0)) { | ||||
| ▲ Show 20 Lines • Show All 1,532 Lines • Show Last 20 Lines | |||||