Since I admin the gateway for a network of bandwidth-greedy machines, I
figured that esfq with "hash src" would be a more fair allocation of
bandwidth than sfq. Unfortunately, there didn''t seem to be a recent
patch for 2.6, so I endeavored to build one. The three patches I made
(described below) are available within the attached tar.bz2 or at:
http://fatooh.org/esfq-2.6/
1. I downloaded the combined esfq + imq patch from Jim diGriz''s QoS
Script, at:
http://www.digriz.org.uk/jdg-qos-script/
2. I don''t know anything about IMQ, so I extracted the parts that
relate
to esfq and madified the patch to apply cleanly to 2.6.4. The
resulting file is esfq-2.6.patch.old, which seems to work but is
marked unsafe upon insmod due to use of deprecated
MOD_INC_USE_COUNT/MOD_DEC_USE_COUNT.
3. There have been several updates to sfq since esfq was forked,
viewable at:
http://linux.bkbits.net:8080/linux-2.5/hist/net/sched/sch_sfq.c?nav=index.html|src/|src/net|src/net/sched
I did my best to apply revisions 1.5 - 1.13 to the esfq patch, and
the result is esfq-2.6.patch. I made an incremental patch between
esfq-2.6.patch.old and esfq-2.6.patch: esfq-2.6.patch.incr
In order to use this, you''ll need:
1. Some Linux kernel source similar to 2.6.4.
2. esfq-2.6.patch from the attachment or:
http://fatooh.org/esfq-2.6/
Patch your source, compile, install. Note that this may prevent tc
from using egular sfq until you patch your iproute.
3. Iproute2 source. I used the debianized source from:
http://packages.debian.org/testing/net/iproute
...but the vanilla source should work fine. For some reason I can''t
find a working download right now.
4. The esfq 0.2 patch from:
http://www.ssi.bg/~alex/esfq/
Extract the tar.gz and use iproute2-2.2.4-now-ss001007-esfq.diff to
patch your iproute2 source. Beware that this may not compile if your
distro uses its own headers in /usr/include, and iproute2 needs to
reference the patched pkt_sched.h. I don''t know what the best way
around this is.
Please note that I don''t really know what I''m doing. The
process seemed
straightforward enough and so loading and using the new sch_esfq module
hasn''t caused my computer to crash, complain, melt, or walk away.
Actually, it seems to work as expected; however, don''t blame me if you
use the patch and something starts setting the evil bit on all your packets.
I''m posting this partly because I hope somebody who knows about this
stuff can fix any problems in the patch that may exist... :)
Thanks,
Corey
