PERFORCE change 161596 for review

Andre Oppermann andre at FreeBSD.org
Tue May 5 07:25:29 UTC 2009


http://perforce.freebsd.org/chv.cgi?CH=161596

Change 161596 by andre at andre_t61 on 2009/05/05 07:25:27

	Update comments.

Affected files ...

.. //depot/projects/tcp_new/netinet/tcp_cc_newreno.c#3 edit

Differences ...

==== //depot/projects/tcp_new/netinet/tcp_cc_newreno.c#3 (text+ko) ====

@@ -93,6 +93,7 @@
 	 *   avoid capping cwnd.
 	 *
 	 * NB: Make sure to lower bound cwnd to one (two?) segments.
+	 * XXXAO: Upper bound to link-speed to avoid CWND overshooting.
 	 */
 	if (tp->snd_cwnd > tp->snd_ssthresh) {
 		/* Congestion avoidance */
@@ -150,14 +151,14 @@
 newreno_post_lr(struct tcpcb *tp, struct tcphdr *th)
 {
 	/*
-	* Out of fast recovery.
-	* Window inflation should have left us
-	* with 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.
-	*/
+	 * Out of fast recovery.
+	 * Window inflation should have left us
+	 * with 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.
+	 */
 	if (th && SEQ_GT(th->th_ack + tp->snd_ssthresh, tp->snd_nxt))
 		tp->snd_cwnd = tp->snd_nxt - th->th_ack + tp->snd_mss;
 	else


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