netdev - PRIO qdisc classes and filters

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Date:	Sat, 24 Dec 2011 14:36:33 -0500
From:	"John A. Sullivan III" <jsullivan@...nsourcedevel.com>
To:	netdev@...r.kernel.org
Subject: PRIO qdisc classes and filters

Hello, all.  Sorry for such pestering; I really do spend a lot of time
in Internet research before posting believe it or not!

Is it my imagination or is it not possible to attach a filter to a PRIO
qdisc class? I only succeed in attaching filters to root or the qdisc
itself.

tc qdisc add dev eth1 root handle 2: prio bands 2 priomap 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0
root@...tswitch01:~# tc filter add dev eth1 parent 2:2 protocol ip prio 1 u32 match u32 0 0 flowid 1:1
RTNETLINK answers: Invalid argument
We have an error talking to the kernel
root@...tswitch01:~# tc filter add dev eth1 parent 2:0 protocol ip prio 1 u32 match u32 0 0 flowid 1:0
root@...tswitch01:~# tc filter del dev eth1 parent 2:0 protocol ip prio 1 u32 match u32 0 0 flowid 1:0
root@...tswitch01:~# tc filter add dev eth1 parent 2:1 protocol ip prio 1 u32 match u32 0 0 flowid 1:0
RTNETLINK answers: Invalid argument
We have an error talking to the kernel

I am trying to use PRIO simply as a container so that I can apply two
separate filters to the same traffic.  Thanks - John

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