[dpdk-dev] [PATCH] ethdev: support PCI domains

Stephen Hemminger stephen at networkplumber.org
Fri Jul 22 23:12:59 CEST 2016


On Fri, 22 Jul 2016 11:34:10 -0400
Sinan Kaya <okaya at codeaurora.org> wrote:

> The current code is enumerating devices based on bus, device and function
> pairs. This does not work well for architectures with multiple PCI
> segments/domains. Multiple PCI devices will have the same BDF value but
> different segment numbers (01:01:01.0 and 02:01:01.0) for instance.
> 
> Adding segment numbers to device naming so that we can uniquely identify
> devices.
> 
> Signed-off-by: Sinan Kaya <okaya at codeaurora.org>

I ran into this yes. There is a small risk of breaking some application that
assumed something about names though.

Acked-by: Stephen Hemminger <stephen at networkplumber.org>


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