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Date:   Mon, 7 Sep 2020 09:18:13 -0700
From:   Jakub Kicinski <kuba@...nel.org>
To:     Jiri Pirko <jiri@...nulli.us>
Cc:     Parav Pandit <parav@...dia.com>, Parav Pandit <parav@...lanox.com>,
        "davem@...emloft.net" <davem@...emloft.net>,
        "netdev@...r.kernel.org" <netdev@...r.kernel.org>,
        "roid@...lanox.com" <roid@...lanox.com>,
        "saeedm@...lanox.com" <saeedm@...lanox.com>,
        Jiri Pirko <jiri@...dia.com>
Subject: Re: [PATCH net-next 2/3] devlink: Consider other controller while
 building phys_port_name

On Mon, 7 Sep 2020 09:21:53 +0200 Jiri Pirko wrote:
> >Putting little more realistic example for Jakub's and your suggestion below.
> >
> >Below is the output for 3 controllers. ( 2 external + 1 local )
> >Each external controller consist of 2 PCI PFs for a external host via single PCIe cable.
> >Each local controller consist of 1 PCI PF.
> >
> >$ devlink port show
> >pci/0000:00:08.0/0: type eth netdev enp0s8f0_pf0 flavour pcipf pfnum 0 cnum 0 external false
> >pci/0000:00:08.0/1: type eth netdev enp0s8f0_c1pf0 flavour pcipf pfnum 0 cnum 1 external true
> >pci/0000:00:08.1/1: type eth netdev enp0s8f1_c1pf1 flavour pcipf pfnum 1 cnum 1 external true  
> 
> I see cnum 0 and cnum 1, yet you talk about 3 controllers. What did I
> miss?

Heh, good point. Please make sure to put this example in docs so folks
have a reference on how we expect a 2-port smartnic to look.

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