[dpdk-dev] [RFC] ethdev: add min/max MTU to device info

Stokes, Ian ian.stokes at intel.com
Thu Nov 22 10:58:30 CET 2018


> On Thu, 6 Sep 2018 09:29:32 +0300
> Andrew Rybchenko <arybchenko at solarflare.com> wrote:
> 
> > On 09/05/2018 07:41 PM, Stephen Hemminger wrote:
> > > This addresses the usability issue raised by OVS at DPDK Userspace
> > > summit. It adds general min/max mtu into device info. For
> > > compatiablity, and to save space, it fits in a hole in existing
> structure.
> >
> > It is true for amd64, but it looks like it is false on 32-bit. So, ABI
> > breakage.
> 
> Yes it is ABI change on 32 bit, but 18.11 is a major release where this is
> allowed/expected.

Thanks for this work Stephen, I've tested it with OVS DPDK and it resolves the issues as described, if it's to be part of DPDK 19.02 I guess there should be an ABI breakage notification in 18.11?



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