Re: [LARTC] patch: HTB update for ADSL users

[Ed Wildgoose <lists@wildgooses.com>]

Jason Boxman wrote:

>On Friday 18 June 2004 07:45, Ed Wildgoose wrote:
>  
>
>>OK, here it is.  Near perfect bandwidth calculation for ADSL users.
>>Patch iproute2 with the HTB stuff and then this:
>>    
>>
>
>Did I miss this the first time around?  There's a patch to sch_htb.c as well, 
>or not?  If there is, I haven't applied it which would explain why the 
>original tc patch did not have any effect for me.
>  
>

Nope, it's just a case of patching the TC prog.  Make sure it is all up 
to date with the latest HTB patches first though (not the HTB 2 stuff 
for example).

It works by changing the "rate" calculations which are then later used 
in the HTB, policer and CBQ modules.  I haven't tested the effect in 
anything other than HTB though, and it seems to be pretty reliable.  I 
*think* it might be a hack because now "rates" are measured correctly, 
but bytes per bucket are measured in the original units.  However, it 
seems to be very accurate, so I think it is "good enough"

Basically, just lie slightly about the rates that the device can achieve 
for a given packet size...  It's actually just a one line patch done in 
a slightly verbose way (you might need to patch manually if line endings 
got mangled in my email - easy though)

Ed W
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