netdev - Re: [net-next v5 07/15] net/mlx5: SF, Add auxiliary device support

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Date:   Sat, 19 Dec 2020 09:43:13 -0800
From:   Jakub Kicinski <kuba@...nel.org>
To:     Parav Pandit <parav@...dia.com>
Cc:     Saeed Mahameed <saeed@...nel.org>,
        "David S. Miller" <davem@...emloft.net>,
        Jason Gunthorpe <jgg@...dia.com>,
        Leon Romanovsky <leonro@...dia.com>,
        "netdev@...r.kernel.org" <netdev@...r.kernel.org>,
        "linux-rdma@...r.kernel.org" <linux-rdma@...r.kernel.org>,
        David Ahern <dsahern@...nel.org>,
        Jacob Keller <jacob.e.keller@...el.com>,
        "Sridhar Samudrala" <sridhar.samudrala@...el.com>,
        "david.m.ertman@...el.com" <david.m.ertman@...el.com>,
        "dan.j.williams@...el.com" <dan.j.williams@...el.com>,
        "kiran.patil@...el.com" <kiran.patil@...el.com>,
        "gregkh@...uxfoundation.org" <gregkh@...uxfoundation.org>,
        Vu Pham <vuhuong@...dia.com>,
        Saeed Mahameed <saeedm@...dia.com>
Subject: Re: [net-next v5 07/15] net/mlx5: SF, Add auxiliary device support

On Sat, 19 Dec 2020 04:53:45 +0000 Parav Pandit wrote:
> > Why can't the SF ID match aux dev ID?   
> Auxiliary bus holds the SFs of multiple PFs.

I see it now. Very unfortunate :(

> SF ID can be same for SFs from multiple PFs. Encoding PCI address in SF auxiliary device name doesn't do good.
> So SF ID attribute of device is more appropriate.