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
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