[dpdk-dev] [PATCH] [RFC] ether: standardize getting the port by name

[Stephen Hemminger]

On Thu, 30 Nov 2017 18:35:11 +0100
Thomas Monjalon <thomas at monjalon.net> wrote:

> 30/11/2017 18:15, Stephen Hemminger:
> > Some thoughts.
> > 1) Not all devices are PCI; look at recent VMBUS  
> 
> Yes, we need a syntax which works for every devices.
> I suggest to use the prefix "pci:" before the PCI id.
> We need also a prefix and ids for NXP buses.
> We could use "vmbus:" before VMBUS ids.
> How VMBUS ids look like?
> 
> > 2) The name may have to be set before MAC address is determined on boot.  
> 
> I don't understand this comment.
> Do you mean MAC may be unknown when starting DPDK?

The MAC be known by the hardware, but the device would have to be
created before using  hardware to read it.


> 
> > 3) The names themselves are not persistent or human friendly. This is hard
> >    see the effort udev goes to.  
> 
> Yes udev has a syntax to identify devices. It can be inspiring.
> Qemu may also be inspiring:
> 	https://github.com/qemu/qemu/blob/master/docs/qdev-device-use.txt