Re: [PATCH v2 bpf-next 01/10] ice: allow toggling loopback mode via ndo_set_features callback

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On Thu, 16 Jun 2022 18:00:40 +0200 Maciej Fijalkowski wrote:
> > Loopback or not, I don't think we should be accepting the shutdown ->
> > set config -> pray approach in modern drivers. ice_open() seems to be
> > allocating all the Rx memory, and can fail.  
> 
> They say that those who sing pray twice, so why don't we sing? :)
> 
> But seriously, I'll degrade this to ice_down/up and check retvals. I think
> I just mimicked flow from ice_self_test(), which should be fixed as
> well...
> 
> I'll send v4.

checking retval is not enough, does ice not have the ability to
allocate resources upfront? I think iavf was already restructured
to follow the "resilient" paradigm, time for ice to follow suit?

This is something DaveM complained about in the first Ethernet driver 
I upstreamed, which must have been a decade ago by now. It's time we
all get on board :)



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