Hi Marcelo,

Apologies. It wasn't clear that you had actually hands on experience of the 
issue.

Regards,
Billy. 

> -----Original Message-----
> From: ovs-dev-boun...@openvswitch.org [mailto:ovs-dev-
> boun...@openvswitch.org] On Behalf Of O Mahony, Billy
> Sent: Wednesday, April 11, 2018 10:32 AM
> To: Marcelo Ricardo Leitner <marcelo.leit...@gmail.com>;
> d...@openvswitch.org
> Cc: slav...@mellanox.com
> Subject: Re: [ovs-dev] [PATCH] netdev-dpdk: fix MAC address in port addr
> example
> 
> Hi Marcelo,
> 
> I haven't used the specific cards referred to in the surrounding documentation
> but I don't think the 'mac' address format is a typo.
> 
> The notation is specific to some vendor NICs that have several Ethernet 
> devices
> sharing a single PCI bus:device.function address. In that case the PCI address
> alone cannot distinguish the Ethernet device to be uses ofr the dpdk port.
> 
> "Some NICs (i.e. Mellanox ConnectX-3) have only one PCI address associated
> with multiple ports. Using a PCI device like above won't work. Instead, below
> usage is suggested::"
> 
> Regards,
> Billy.
> 
> > -----Original Message-----
> > From: ovs-dev-boun...@openvswitch.org [mailto:ovs-dev-
> > boun...@openvswitch.org] On Behalf Of Marcelo Ricardo Leitner
> > Sent: Monday, April 9, 2018 6:21 PM
> > To: d...@openvswitch.org
> > Cc: marcelo.leit...@gmail.com; slav...@mellanox.com
> > Subject: [ovs-dev] [PATCH] netdev-dpdk: fix MAC address in port addr
> > example
> >
> > The MAC address is always 6-bytes long, never 7. The extra :01 and :02
> > doesn't belong in there as it doesn't mean selecting one port or another.
> >
> > Instead, use an incrementing MAC address, which is what usually
> > happens on such cards.
> >
> > See-also: http://www.dpdk.org/ml/archives/dev/2018-April/094976.html
> > Fixes: 5e7588186839 ("netdev-dpdk: fix port addition for ports sharing
> > same PCI
> > id")
> > Signed-off-by: Marcelo Ricardo Leitner <marcelo.leit...@gmail.com>
> > ---
> >  Documentation/howto/dpdk.rst | 4 ++--
> >  1 file changed, 2 insertions(+), 2 deletions(-)
> >
> > diff --git a/Documentation/howto/dpdk.rst
> > b/Documentation/howto/dpdk.rst index
> >
> 79b626c76d0dd45381bd75ab867b7815ca941208..69e692f40d500cf65d59d1979
> > e07afa6f99cf903 100644
> > --- a/Documentation/howto/dpdk.rst
> > +++ b/Documentation/howto/dpdk.rst
> > @@ -53,9 +53,9 @@ with multiple ports. Using a PCI device like above
> > won't work. Instead, below  usage is suggested::
> >
> >      $ ovs-vsctl add-port br0 dpdk-p0 -- set Interface dpdk-p0 type=dpdk \
> > -        options:dpdk-devargs="class=eth,mac=00:11:22:33:44:55:01"
> > +        options:dpdk-devargs="class=eth,mac=00:11:22:33:44:55"
> >      $ ovs-vsctl add-port br0 dpdk-p1 -- set Interface dpdk-p1 type=dpdk \
> > -        options:dpdk-devargs="class=eth,mac=00:11:22:33:44:55:02"
> > +        options:dpdk-devargs="class=eth,mac=00:11:22:33:44:56"
> >
> >  Note: such syntax won't support hotplug. The hotplug is supposed to
> > work with future DPDK release, v18.05.
> > --
> > 2.14.3
> >
> > _______________________________________________
> > dev mailing list
> > d...@openvswitch.org
> > https://mail.openvswitch.org/mailman/listinfo/ovs-dev
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