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Index: head/sys/netinet/cc/cc_cubic.c
===================================================================
--- head/sys/netinet/cc/cc_cubic.c
+++ head/sys/netinet/cc/cc_cubic.c
@@ -299,8 +299,10 @@
cubic_post_recovery(struct cc_var *ccv)
{
struct cubic *cubic_data;
+ int pipe;
cubic_data = ccv->cc_data;
+ pipe = 0;
/* Fast convergence heuristic. */
if (cubic_data->max_cwnd < cubic_data->prev_max_cwnd)
@@ -315,10 +317,13 @@
*
* XXXLAS: Find a way to do this without needing curack
*/
- if (SEQ_GT(ccv->curack + CCV(ccv, snd_ssthresh),
- CCV(ccv, snd_max)))
- CCV(ccv, snd_cwnd) = CCV(ccv, snd_max) - ccv->curack +
- CCV(ccv, t_maxseg);
+ if (V_tcp_do_rfc6675_pipe)
+ pipe = tcp_compute_pipe(ccv->ccvc.tcp);
+ else
+ pipe = CCV(ccv, snd_max) - ccv->curack;
+
+ if (pipe < CCV(ccv, snd_ssthresh))
+ CCV(ccv, snd_cwnd) = pipe + CCV(ccv, t_maxseg);
else
/* Update cwnd based on beta and adjusted max_cwnd. */
CCV(ccv, snd_cwnd) = max(1, ((CUBIC_BETA *

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