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diff --git a/sys/netinet/cc/cc.c b/sys/netinet/cc/cc.c
--- a/sys/netinet/cc/cc.c
+++ b/sys/netinet/cc/cc.c
@@ -401,13 +401,8 @@
* approximately snd_ssthresh outstanding data. But in case we
* would be inclined to send a burst, better to do it via the
* slow start mechanism.
- *
- * XXXLAS: Find a way to do this without needing curack
*/
- if (V_tcp_do_newsack)
- pipe = tcp_compute_pipe(ccv->tp);
- else
- pipe = CCV(ccv, snd_max) - ccv->curack;
+ pipe = tcp_compute_pipe(ccv->tp);
if (pipe < CCV(ccv, snd_ssthresh))
/*
* Ensure that cwnd does not collapse to 1 MSS under
diff --git a/sys/netinet/cc/cc_cubic.c b/sys/netinet/cc/cc_cubic.c
--- a/sys/netinet/cc/cc_cubic.c
+++ b/sys/netinet/cc/cc_cubic.c
@@ -530,14 +530,8 @@
* If inflight data is less than ssthresh, set cwnd
* conservatively to avoid a burst of data, as suggested in
* the NewReno RFC. Otherwise, use the CUBIC method.
- *
- * XXXLAS: Find a way to do this without needing curack
*/
- if (V_tcp_do_newsack)
- pipe = tcp_compute_pipe(ccv->tp);
- else
- pipe = CCV(ccv, snd_max) - ccv->curack;
-
+ pipe = tcp_compute_pipe(ccv->tp);
if (pipe < CCV(ccv, snd_ssthresh))
/*
* Ensure that cwnd does not collapse to 1 MSS under
diff --git a/sys/netinet/cc/cc_htcp.c b/sys/netinet/cc/cc_htcp.c
--- a/sys/netinet/cc/cc_htcp.c
+++ b/sys/netinet/cc/cc_htcp.c
@@ -375,14 +375,8 @@
* If inflight data is less than ssthresh, set cwnd
* conservatively to avoid a burst of data, as suggested in the
* NewReno RFC. Otherwise, use the HTCP method.
- *
- * XXXLAS: Find a way to do this without needing curack
*/
- if (V_tcp_do_newsack)
- pipe = tcp_compute_pipe(ccv->tp);
- else
- pipe = CCV(ccv, snd_max) - ccv->curack;
-
+ pipe = tcp_compute_pipe(ccv->tp);
if (pipe < CCV(ccv, snd_ssthresh))
/*
* Ensure that cwnd down not collape to 1 MSS under

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