Re: created new q_disc, inserted module, tc tells me unknown qdisc

Linux Advanced Routing and Traffic Control

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Hey Tim,

I will take a look at that routine, it just seems no matter what I do I cannot seem to find out why it determines it does not have xcp qdisc support. I will look deeper into it.

I am not sure if it has been released to the public yet. I am using Yongguang Zhang and Tom Henderson's Linux implementation. I am also not sure it is the same packet formated as the ISI FreeBSD implementation. Tom pre-released it to me for my research on the topic, I think I will ask him if it is public yet, because if so I think I could find help a lot easier :)

I will get back to you with what I find.

Thanks!
George


Tim Shepard wrote:
To debug this you'll probably want to have a look at the
get_qdisc_kind() routine in tc/tc.c in the iproute sources and
understand how it uses dlopen() to find the routines to parse the
arguments to the various different qdisc implementations..

I hope this helps.


Is your xcp-implementing qdisc code available anywhere yet?  Are you
using the same packet format as the folks at ISI are using in their
FreeBSD implementation?  (They wrote a internet draft describing the
XCP packet format a year or two ago.)

			-Tim Shepard
			 shep@xxxxxxxxxxxx

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