[LARTC] Adding dsmark qdisc fails

[Tero Saarni]

I'm trying to configure dsmark qdisc on 2.6.11.4 user mode linux and
tc from iproute2-2.6.11-050314.

I think I have some mismatch in my setup since adding dsmark qdisc
fails *unless* I specify "set_tc_index" argument which I believe should
be optional:

# tc qdisc add dev eth1 handle 1:0 root dsmark indices 8
RTNETLINK answers: Invalid argument
Mar 20 13:00:50 user user.debug kernel: dsmark_init(sch a0bb3ae0,[qdisc 
a0bb3b60],opt 00000000)

here the log shows that opt is null, sch_dsmark checks for that and
bails out.  However running tc with "set_tc_index" goes ok:

# tc qdisc add dev eth1 handle 1:0 root dsmark indices 8 set_tc_index
Mar 20 13:01:12 user user.debug kernel: dsmark_init(sch a0bb3060,[qdisc 
a0bb30e0],opt a038e9d0)
Mar 20 13:01:12 user user.debug kernel: dsmark_init: qdisc a0bb30e0

# tc qdisc show dev eth1
qdisc dsmark 1: indices 0x0008 set_tc_index


but then changing the class fails:

# tc class change dev eth1 classid 1:1 dsmark mask 0x0 value 0xb8
RTNETLINK answers: Invalid argument
Mar 20 13:02:28 user user.debug kernel: dsmark_get(sch a0bb3060,[qdisc 
a0bb30e0],classid 10001)
Mar 20 13:02:28 user user.debug kernel: dsmark_change(sch a0bb3060,[qdisc 
a0bb30e0],classid 10001,parent 0),arg 0x2


Any ideas where I've gone wrong?

--
Tero

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