Re: High accuracy bandwidth accounting?

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On 12/05/2011 01:01, Andrew Beverley wrote:
> On Wed, 2011-05-11 at 15:30 +0100, Ed W wrote:
>> On 09/05/2011 22:45, Andrew Beverley wrote:
>>> I wrote a similar patch for Squid (released in V3.2), which allows
>>> packets to be marked before Squid, and Squid to reapply the mark on
>>> retransmission. Marks can also be applied for locally cached files. If
>>> it helps the patch is at:
>>>
>>> http://bazaar.launchpad.net/~squid/squid/3-trunk/revision/10925
>>
>>
>> Did you find any better way to read the packet mark than using
>> conntrack?  I see that's how you are doing it in the patch you reference?
>>
> 
> No, I think that's the only/best way of doing it (you can't read it from
> a socket). That's the advice I got from the netfilter developers anyway,
> and it doesn't get much better than that.

I guess a feature request that the nf_mark is copied down to the "socket
mark" for arriving packets is going to be met with a "lets see your
patch"?  Did you do any investigation to see where such code might be
fitted - or even if it's a good idea?

Cheers

Ed W
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