From: Andrew Lunn <andrew@lunn.ch>
To: Tim Harvey <tharvey@gateworks.com>
Cc: netdev <netdev@vger.kernel.org>, David Miller <davem@davemloft.net>
Subject: Re: DSA driver - how to glue to a PCI based NIC's mdio?
Date: Wed, 30 Sep 2015 23:40:52 +0200 [thread overview]
Message-ID: <20150930214052.GG20219@lunn.ch> (raw)
In-Reply-To: <CAJ+vNU2SUpsQ+7dwPfR6EHVofpvVFF42KO=YUDaarLaDwWvXFw@mail.gmail.com>
> > information to the NIC's device driver. Better would be to have a
> > small shim driver which is loaded on your PCI_ID/DEVICE_ID. That would
> > instantiate the NIC driver, and insert a DSA platform device.
>
> I was thinking of this as well, but then I would still need that shim
> to know the netdevice that the driver I'm shimming creates so I can't
> figure a way to do it without touching the PCI driver.
You can probably get that from the PCI information you have:
# /sys/devices/pci0000:00/0000:00:1c.2/0000:06:00.0 is the PCIe device. And it has
# /sys/devices/pci0000:00/0000:00:1c.2/0000:06:00.0/net$ ls -l
total 0
drwxr-xr-x 5 root root 0 Aug 19 18:23 eth0
So the linking is there.
Andrew
next prev parent reply other threads:[~2015-09-30 21:40 UTC|newest]
Thread overview: 6+ messages / expand[flat|nested] mbox.gz Atom feed top
2015-09-30 20:44 DSA driver - how to glue to a PCI based NIC's mdio? Tim Harvey
2015-09-30 21:12 ` Andrew Lunn
2015-09-30 21:27 ` Tim Harvey
2015-09-30 21:33 ` Florian Fainelli
2015-09-30 21:40 ` Andrew Lunn [this message]
2015-10-02 23:44 ` Tim Harvey
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