netdev - [PATCH 3/3] net/sched: netem: update intro comment

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Message-ID: <20240201034653.450138-4-stephen@networkplumber.org>
Date: Wed, 31 Jan 2024 19:46:00 -0800
From: Stephen Hemminger <stephen@...workplumber.org>
To: netdev@...r.kernel.org
Cc: Stephen Hemminger <stephen@...workplumber.org>
Subject: [PATCH 3/3] net/sched: netem: update intro comment

Netem originally used a nested qdisc to handle rate limiting,
but that has been replaced (for many years) with an internal FIFO.
Update the intro comment to reflect this.

Signed-off-by: Stephen Hemminger <stephen@...workplumber.org>
---
 net/sched/sch_netem.c | 5 ++---
 1 file changed, 2 insertions(+), 3 deletions(-)

diff --git a/net/sched/sch_netem.c b/net/sched/sch_netem.c
index f712d03ad854..cc3df77503b3 100644
--- a/net/sched/sch_netem.c
+++ b/net/sched/sch_netem.c
@@ -44,9 +44,8 @@
 	 duplication, and reordering can also be emulated.
 
 	 This qdisc does not do classification that can be handled in
-	 layering other disciplines.  It does not need to do bandwidth
-	 control either since that can be handled by using token
-	 bucket or other rate control.
+	 layering other disciplines. Netem includes an optional internal
+	 rate limiter (tfifo) based on next time to send.
 
      Correlated Loss Generator models
 
-- 
2.43.0