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<DIV dir=ltr align=left><FONT face=Arial><FONT size=2><SPAN
class=190373421-05012006><FONT color=#0000ff> I </FONT></SPAN>'m
having a problem identical to one encountered on this list awhile
back:</FONT></FONT> </DIV>
<P><FONT face=Arial size=2>>I'm trying to configure dsmark qdisc on 2.6.11.4
user mode linux and</FONT> <BR><FONT face=Arial size=2>>tc from
iproute2-2.6.11-050314.</FONT> <BR><FONT face=Arial size=2>></FONT> <BR><FONT
face=Arial size=2>></FONT> <BR><FONT face=Arial size=2>>I think I have
some mismatch in my setup since adding dsmark qdisc</FONT> <BR><FONT face=Arial
size=2>>fails *unless* I specify "set_tc_index" argument which I believe
should</FONT> <BR><FONT face=Arial size=2>>be optional:</FONT> <BR><FONT
face=Arial size=2>></FONT> <BR><FONT face=Arial size=2>></FONT> <BR><FONT
face=Arial size=2>># tc qdisc add dev eth1 handle 1:0 root dsmark indices
8</FONT> <BR><FONT face=Arial size=2>>RTNETLINK answers: Invalid
argument</FONT> <BR><FONT face=Arial size=2>>Mar 20 13:00:50 user user.debug
kernel: dsmark_init(sch a0bb3ae0,[qdisc a0bb3b60],opt 00000000)</FONT> <BR><FONT
face=Arial size=2>></FONT> <BR><FONT face=Arial size=2>>here the log shows
that opt is null, sch_dsmark checks for that and</FONT> <BR><FONT face=Arial
size=2>>bails out. However running tc with "set_tc_index" goes
ok:</FONT> <BR><FONT face=Arial size=2>></FONT> <BR><FONT face=Arial
size=2>></FONT> <BR><FONT face=Arial size=2>># tc qdisc add dev eth1
handle 1:0 root dsmark indices 8 set_tc_index</FONT> <BR><FONT face=Arial
size=2>>Mar 20 13:01:12 user user.debug kernel: dsmark_init(sch
a0bb3060,[qdisc a0bb30e0],opt a038e9d0)</FONT> <BR><FONT face=Arial
size=2>>Mar 20 13:01:12 user user.debug kernel: dsmark_init: qdisc
a0bb30e0</FONT> <BR><FONT face=Arial size=2>></FONT> <BR><FONT face=Arial
size=2>># tc qdisc show dev eth1</FONT> <BR><FONT face=Arial size=2>>qdisc
dsmark 1: indices 0x0008 set_tc_index</FONT> <BR><FONT face=Arial
size=2>></FONT> <BR><FONT face=Arial size=2>></FONT> <BR><FONT face=Arial
size=2>></FONT> <BR><FONT face=Arial size=2>>but then changing the class
fails:</FONT> <BR><FONT face=Arial size=2>></FONT> <BR><FONT face=Arial
size=2>></FONT> <BR><FONT face=Arial size=2>># tc class change dev eth1
classid 1:1 dsmark mask 0x0 value 0xb8</FONT> <BR><FONT face=Arial
size=2>>RTNETLINK answers: Invalid argument</FONT> <BR><FONT face=Arial
size=2>>Mar 20 13:02:28 user user.debug kernel: dsmark_get(sch
a0bb3060,[qdisc a0bb30e0],classid 10001)</FONT> <BR><FONT face=Arial
size=2>>Mar 20 13:02:28 user user.debug kernel: dsmark_change(sch
a0bb3060,[qdisc a0bb30e0],classid 10001,parent 0),arg 0x2</FONT> <BR><FONT
face=Arial size=2>></FONT> <BR><FONT face=Arial size=2>></FONT> <BR><FONT
face=Arial size=2>>Any ideas where I've gone wrong?</FONT> <BR><FONT
face=Arial size=2>></FONT> <BR><FONT face=Arial size=2>></FONT> <BR><FONT
face=Arial size=2>>--</FONT> <BR><FONT face=Arial size=2>>Tero</FONT> </P>
<P><FONT face=Arial size=2>I've applied the patch to my iproute2 that was
suggested as a solution, as well as upgrading to the latest version (</FONT><A
href="http://developer.osdl.org/dev/iproute2/download/iproute2-2.6.14-051107.tar.gz"><U><FONT
face=Arial color=#0000ff
size=2>http://developer.osdl.org/dev/iproute2/download/iproute2-2.6.14-051107.tar.gz</FONT></U></A><FONT
face=Arial size=2>) of iproute2 which includes the patch, but always get the
following errors:</FONT></P>
<P><FONT face=Arial size=2># tc qdisc add dev eth1 handle 1:0 root dsmark
indices 64</FONT> <BR><FONT face=Arial size=2>RTNETLINK answers: Invalid
argument</FONT> </P>
<P><FONT face=Arial size=2>Changing that to:</FONT> </P>
<P><FONT face=Arial size=2># tc qdisc add dev eth1 handle 1:0 root dsmark
indices 64 set_tc_index</FONT> </P>
<P><FONT face=Arial size=2>Works, but following that with produces the same
error:</FONT> </P>
<P><FONT face=Arial size=2># tc class change dev eth1 classid 1:1 dsmark
mask 0x3 value 0x88</FONT> <BR><FONT face=Arial size=2>RTNETLINK answers:
Invalid argument</FONT> </P>
<P><FONT face=Arial size=2>Is this an iproute2 bug, or user error?</FONT> </P>
<P><FONT face=Arial size=2>I'm using iproute2 on FC4 2.6.14-1.1653</FONT>
</P><BR>
<P><FONT face=Arial size=2>TIY</FONT> </P>
<P><FONT face=Arial size=2>Keith Mitchell</FONT> <BR><FONT face=Arial
size=2>CTO</FONT> <BR><FONT face=Arial size=2>Productivity Associates,
Inc.</FONT> <BR><FONT face=Arial size=2>5625 Ruffin Rd STE 220</FONT> <BR><FONT
face=Arial size=2>San Diego, CA 92123</FONT> <BR><FONT face=Arial
size=2>858-495-3528 (Direct)</FONT> <BR><FONT face=Arial size=2>858-495-3540
(Fax) </FONT></P><BR></BODY></HTML>