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head/sys/netinet/cc/cc_cubic.c
| Show First 20 Lines • Show All 179 Lines • ▼ Show 20 Lines | if (CCV(ccv, snd_cwnd) <= CCV(ccv, snd_ssthresh) || | ||||
| if (w_cubic_next < w_tf) { | if (w_cubic_next < w_tf) { | ||||
| /* | /* | ||||
| * TCP-friendly region, follow tf | * TCP-friendly region, follow tf | ||||
| * cwnd growth. | * cwnd growth. | ||||
| */ | */ | ||||
| if (CCV(ccv, snd_cwnd) < w_tf) | if (CCV(ccv, snd_cwnd) < w_tf) | ||||
| CCV(ccv, snd_cwnd) = ulmin(w_tf, INT_MAX); | CCV(ccv, snd_cwnd) = ulmin(w_tf, INT_MAX); | ||||
| } | } else if (CCV(ccv, snd_cwnd) < w_cubic_next) { | ||||
| else if (CCV(ccv, snd_cwnd) < w_cubic_next) { | |||||
| /* | /* | ||||
| * Concave or convex region, follow CUBIC | * Concave or convex region, follow CUBIC | ||||
| * cwnd growth. | * cwnd growth. | ||||
| * Only update snd_cwnd, if it doesn't shrink. | |||||
| */ | */ | ||||
| if (V_tcp_do_rfc3465) | if (V_tcp_do_rfc3465) | ||||
| CCV(ccv, snd_cwnd) = ulmin(w_cubic_next, | CCV(ccv, snd_cwnd) = ulmin(w_cubic_next, | ||||
| INT_MAX); | INT_MAX); | ||||
| else | else | ||||
| CCV(ccv, snd_cwnd) += ulmax(1, | CCV(ccv, snd_cwnd) += ulmax(1, | ||||
| ((ulmin(w_cubic_next, INT_MAX) - | ((ulmin(w_cubic_next, INT_MAX) - | ||||
| CCV(ccv, snd_cwnd)) * | CCV(ccv, snd_cwnd)) * | ||||
| ▲ Show 20 Lines • Show All 275 Lines • Show Last 20 Lines | |||||