netdev - RE: [PATCH] NET: [UPDATED] Multiqueue network device support implementation.

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Message-ID: <D5C1322C3E673F459512FB59E0DDC32902A1A3BC@orsmsx414.amr.corp.intel.com>
Date:	Wed, 11 Apr 2007 08:40:25 -0700
From:	"Waskiewicz Jr, Peter P" <peter.p.waskiewicz.jr@...el.com>
To:	"Patrick McHardy" <kaber@...sh.net>
Cc:	<davem@...emloft.net>, <netdev@...r.kernel.org>,
	<linux-kernel@...r.kernel.org>, <jgarzik@...ox.com>,
	"cramerj" <cramerj@...el.com>,
	"Kok, Auke-jan H" <auke-jan.h.kok@...el.com>,
	"Leech, Christopher" <christopher.leech@...el.com>
Subject: RE: [PATCH] NET: [UPDATED] Multiqueue network device support implementation.

> >>>+			skb->queue_mapping =
> >>>+				 
> q->prio2band[q->band2queue[band&TC_PRIO_MAX]];
> >>
> >>
> >>Does this needs to be cleared at some point again? TC actions might 
> >>redirect or mirror packets to other (multiqueue) devices.
> > 
> > 
> > If an skb is redirected to another device, the skb should 
> be filtered 
> > through that device's qdisc, yes?
> 
> 
> Yes, but the device might not have a queue or use something 
> different than prio, so the value would stay the same. I 
> think you need to clear it before enqueueing a packet or 
> alternatively when redirecting in the mirred action.
> 

I see what you're saying now - I'll set the queue_mapping to zero before
the enqueue occurs.  Thanks for the feedback.

-PJ Waskiewicz
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