From mboxrd@z Thu Jan  1 00:00:00 1970
From: Wang Jian <lark@linux.net.cn>
Date: Mon, 04 Apr 2005 07:21:17 +0000
Subject: [LARTC] new perflow rate control queue
Message-Id: <20050404152117.6d90635d.lark@linux.net.cn>
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List-Id: <lartc.vger.kernel.org>
To: lartc@vger.kernel.org

This is a multi-part message in MIME format.

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Hi,

One of my customer needs per flow rate control, so I write one.

The code I post here is not finished, but it seems to work as expected.

The kernel patch is agains kernel 2.6.11, the iproute2 patch is against
iproute2-2.6.11-050314. 

I write the code in a hurry to meet deadline. There are many other things
to do ahead for me. The code is written in 2 days (including read other
queue's code) and tested for a while to find obvious mistake. Don't be
suprised when you find many many bugs.

The test scenario is like this

      www server <- [ eth0   eth1 ] -> www clients

The attached t.sh is used to generate test rules. Clients download a
big ISO file from www server, so flows' rate can be estimated by view
progress. However I use wget to test the speed, so the speed is
accumulated, not current.

The problems I know:

1. The rtnetlink related code is quick hack. I am not familiar with
rtnetlink, so I look at other queue's code and use the simplest one.

2. perflow queue has no stats code. It will be added later.

3. I don't know what is the dump() method 's purpose, so I didn't write
dump() method. I will add it later when I know what it is for and how to
write rtnetlink code.

Any feedback is welcome. And test it if you can :)

PS: the code is licensed under GPL. If it is acceptable by upstream, it
will be submitted.

--
  lark

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