Re: [PATCH bpf-next 1/7] netdev-genl: create a simple family for netdev stuff

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On Mon, 23 Jan 2023 00:00:15 +0100 Lorenzo Bianconi wrote:
> > FWIW I'm not 100% sure if we should scope the family to all of netdev
> > or just xdp. Same for the name of the op, should we call the op dev_get
> > or dev_xdp_get..  
> 
> is it likely we are going to add non-xdp info here in the near future? If not
> I would say we can target just xdp for the moment.

What brought it to mind for me was offloads like the NVMe/DDP for
instance. Whether that stuff should live in ethtool or a netdev
family is a bit unclear.

> > These defines don't belong in uAPI. Especially the use of BIT().  
> 
> since netdev xdp_features is a bitmask, can we use 'flags' as type for definitions in
> netdev.yaml so we can get rid of this BIT() definitions for both user and
> kernel space?

If you have no use for the bit numbers - definitely.



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