George P Nychis wrote:
>
> Hi,
>
> I am trying to install a proprietary qdisc made for research, it is not publically released yet, however its been used several times so i know it works.
>
> The files included are:
> q_xcp.c:
> static int xcp_parse_opt()
> static int xcp_print_opt()
> static int xcp_print_xstats()
> struct qdisc_util xcp_util = { "NULL", "xcp" ..... };
>
> sch_xcp.c:
> static int xcp_enqueue()
> static int xcp_requeue()
> static struct sk_buff * xcp_dequeue()
> ....
> ....
> struct Qdisc_ops xcp_qdisc_ops ={ NULL,NULL,"xcp",.... };
>
> printk(KERN_INFO "XCP qdisc module loaded.\n");
> return register_qdisc(&xcp_qdisc_ops);
>
> So, i make everything successfully, it creates q_xcp.so and copies it to /usr/lib and sch_xcp.o which it copies to /lib/modules/... so then I "insmod sch_xcp" and i see in dmesg:
> "XCP qdisc module loaded."
>
> I then try:
> "tc qdisc add dev eth0 root xcp capacity 10Mbit limit 500" and get:
> "Unknown qdisc "xcp", hence option "capacity" is unparsable"
>
> So then I read the INSTALL further to find some sort of solution and it mentions:
> This again assumes "tc" version is 2.4.7. If your "tc" is a different
> version, download the iproute2 source code, and edit Makefile to
> point "TC_INCLUDE" to "-I..../iproute2/include -I..../iproute2/tc"
>
> So, i did that, and i recompiled the q_xcp.so:
> lanthanum-ini src-1.0.1 # make q_xcp.so
> cc -O2 -fPIC -I/var/tmp/portage/iproute2-2.6.11.20050310-r1/work/iproute2-2.6.11/include/ -I/var/tmp/portage/iproute2-2.6.11.20050310-r1/work/iproute2-2.6.11/tc_include -o q_xcp.o -c q_xcp.c
> ld -shared -o q_xcp.so q_xcp.o
> rm -f q_xcp.o
>
> But i still get the same error.... so then my very final last effort was to move q_xcp.c to my iproute2 source code tc/ directory and added this to the makefile:
> TCMODULES += q_xcp.o
>
> Then I compiled tc, and i check tc to see if the xcp qdisc functions were loaded:
> lanthanum-ini tc # nm tc | grep xcp
> 080531ec t xcp_parse_opt
> 080533e0 t xcp_print_opt
> 08053426 t xcp_print_xstats
> 08070cc0 D xcp_util
>
> And finally:
> lanthanum-ini tc # ./tc qdisc add dev ath0 root xcp capacity 54Mbit limit 500
> Unknown qdisc "xcp", hence option "capacity" is unparsable
>
> I have no clue :( I figured that putting the .so into /usr/lib would have been enough. Sorry for the long e-mail, I hope someone can help, and thank you for your time even if you don't know the solution but read this :)
>
> - George
George,
Please show us
iproute/include/linux/pkt_sched.h
There shouldn't be anything there the author wishes to keep private.
--
gypsy
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