netdev - Re: Question about HFSC atm+man patches

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Message-ID: <492DD399.4040801@ziu.info>
Date:	Wed, 26 Nov 2008 23:54:17 +0100
From:	Michal Soltys <soltys@....info>
To:	Patrick McHardy <kaber@...sh.net>
Cc:	Linux Netdev List <netdev@...r.kernel.org>
Subject: Re: Question about HFSC atm+man patches

One question regarding size tables:

Should I assume that subsequent qdiscs attached to HFSC leaves will not 
use [different] size tables ?

This is currently the case, but from the perspective of a generic 
solution - if some inner qdisc changes pkt_len stored in cb area during 
qdisc_enqueue, then HFSC might get wrong size during peek operation.

As leaves will usually have "simple" work-conserving qdiscs attached, 
this is probably not an issue, but ...

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