On 2018-09-29 10:53, Jérôme Benoit wrote:
> Le 28/09/2018 à 18:55, Rosen Penev a écrit :
>> So in kernel 4.17 I believe landed flow offloading support. This 
>> accomplishes something similar to SFE while being a proper upstream 
>> solution. This is already implemented in OpenWrt.
> flow offloading for NAT is different from SFE :
> In the first case, you offload the NATing algorithm work to the hardware
> that support it, which narrow a lot the supported targets.
> In the second case, you optimize the NATing algorithm Linux kernel
> implementation for all targets, it's a software and generic optimization.  
Flow offloading (as implemented in OpenWrt on 4.14) supports both
hardware offload and generic software offload for routing and NAT.
SFE is not necessary anymore.

- Felix

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