[Cake] Possible conntrack lookup improvements

Kevin Darbyshire-Bryant kevin at darbyshire-bryant.me.uk
Fri May 3 14:57:06 EDT 2019

> On 3 May 2019, at 15:16, Jonathan Morton <chromatix99 at gmail.com> wrote:
>> On 3 May, 2019, at 4:55 pm, Kevin Darbyshire-Bryant <kevin at darbyshire-bryant.me.uk> wrote:
>> Two patches attached - one is a simple variable elimination with no functional change.  The second changes/simplifies the conntrack tuple lookup & usage.  I’ve had a play and I don’t think I’ve broken any of the host fairness BUT it could do with some more testing, that’s where you come in… 
> Looks like sound logic, as long as it does actually work.  It could be a useful speedup for those small CPE devices which need NAT and host-fairness working.

It’s interesting you bring that up - are we sure that ingress host NAT fairness works in the upstream kernel version of CAKE anyway?  I’m looking at cake_update_flowkeys(…) and thinking half of it is missing?

> - Jonathan Morton


Kevin D-B

gpg: 012C ACB2 28C6 C53E 9775  9123 B3A2 389B 9DE2 334A

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