On Thu, 13 Dec 2018 12:06:39 +0200, Or Gerlitz wrote:
> > Maybe having a side library that could take a ethtool/flower/nft flow
> > and return common IR representation of that flow would be less painful?
> > Drivers could then migrate at its own pace, for new functionality etc.
> > Was that discussed before?  I may have lost track of this discussion...  
> 
> Currently all drivers are ported to use the IR on the tc/flower offload path
> 
> End of the day, seems that Jiri and Jakub are good with this and I didn't hear
> any further rejections from other driver folks, so I guess my concerns
> were basically addressed by them.

I think having the drivers call the IR translation could be a good
compromise instead of having flower always pass down converted flows.

tc flower ->  flower offload object -> setup_tc   -> driver -> 
  -> flow_offload_from_flower() -> driver -> driver's common handling

This patchset already does that for ethtool:

ethtool   ->  ethtool flow          -> ethtool_op -> driver -> 
  -> ethtool_rx_flow_rule_create() -> driver -> driver's common handling

It feels like a bit of a waste to let the driver patches go, but
perhaps it's a good way to move forward?

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