netdev - SFQ: backport some features from ESFQ (try 5)

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Date:	Mon, 29 Oct 2007 00:22:59 -0700
From:	Corey Hickey <bugfood-ml@...ooh.org>
To:	netdev@...r.kernel.org
Subject: SFQ: backport some features from ESFQ (try 5)

Patchset try 2 addresses the review by Michael Buesch.
Patchset try 3 addresses the review by Patrick McHardy.
Patchset try 4 has a few cosmetic improvements.
Patchset try 5 addresses further review by Patrick McHardy.

This set of patches is substantially the same as my previous try, with
changes made according to Patrick's recommendations.

Iproute2 patches will follow shortly.

The following is the original patch text.

This set of patches adds some of ESFQ's modifications to the original 
SFQ. Thus far, I have received support for this approach rather than for 
trying to get ESFQ included as a separate qdisc.

http://mailman.ds9a.nl/pipermail/lartc/2007q2/021056.html

My patches here implement "tc qdisc change", user-configurable depth 
(number of flows), and user-configurable divisor (for setting hash table 
size). I've left out the remaining ESFQ features (usage of jhash and 
different hashing methods) because Patrick McHardy intends to submit a 
patch that will supersede that functionality; see the URL above.

Default values remain the same, and SFQ's default behavior remains the 
same, so there should be no user disruption.

Thanks for your consideration,
Corey

 include/linux/pkt_sched.h |   23 ++-
 net/sched/sch_sfq.c       |  434 +++++++++++++++++++++++++++++++--------------
 2 files changed, 319 insertions(+), 138 deletions(-)

[PATCH 1/8] Preparatory refactoring part 1.
[PATCH 2/8] Preparatory refactoring part 2.
[PATCH 3/8] Make "depth" (number of queues) user-configurable
[PATCH 4/8] Add divisor.
[PATCH 5/8] Make qdisc changeable.
[PATCH 6/8] Remove comments about hardcoded values.
[PATCH 7/8] Rework perturb_period.
[PATCH 8/8] Use nested compat attributes to pass parameters.
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