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From: Thomas Monjalon <thomas@monjalon.net>
To: Finn Christensen <fc@napatech.com>
Cc: dev@dpdk.org, Yuanhan Liu <yliu@fridaylinux.org>,
 Adrien Mazarguil <adrien.mazarguil@6wind.com>,
 Ciara Loftus <ciara.loftus@intel.com>, Kevin Traynor <ktraynor@redhat.com>,
 stephen@networkplumber.org, ferruh.yigit@intel.com
Date: Fri, 05 Jan 2018 09:39:38 +0100
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Subject: Re: [dpdk-dev] standardize device identification
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05/01/2018 08:52, Finn Christensen:
> From: Thomas
> > It may look like this:
> >
> > bus=BUS_NAME,id=BUS_ID/class=CLASS_NAME,dev_port=PORT_NUM,
> > mac=MAC_ADDRESS/driver=DRIVER_NAME,driverspecificproperty=VALUE
[...] 
> We also need to distinguish between multiple ports sitting on same PCI bus ID.
> and from our point of view, this will fully cover our needs.

Which property can help to distinguish Napatech ports?
Can you use class=eth,dev_port=X ?
The dev_port property will use /sys/class/net/DEV/dev_port
on Linux. Is it OK for you?