Re: [PATCH] cxgb4: use dev_port to identify ports

[David Miller]

From: Thadeu Lima de Souza Cascardo <cascardo@xxxxxxxxxxxxxxxxxx>
Date: Mon, 23 Jun 2014 09:16:40 -0300

> On Sun, Jun 22, 2014 at 05:23:07PM -0700, David Miller wrote:
>> From: Thadeu Lima de Souza Cascardo <cascardo@xxxxxxxxxxxxxxxxxx>
>> Date: Sat, 21 Jun 2014 09:48:08 -0300
>> 
>> > Commit 3f85944fe207d0225ef21a2c0951d4946fc9a95d ("net: Add sysfs file
>> > for port number") introduce dev_port to network devices. cxgb4 adapters
>> > have multiple ports on the same PCI function, and used dev_id to
>> > identify those ports. That use was removed by commit
>> > 8c367fcbe6549195d2eb11e62bea233f811aad41 ("cxgb4: Do not set
>> > net_device::dev_id to VI index"), since dev_id should be used only when
>> > devices share the same MAC address.
>> > 
>> > Using dev_port for cxgb4 allows different ports on the same PCI function
>> > to be identified.
>> > 
>> > Signed-off-by: Thadeu Lima de Souza Cascardo <cascardo@xxxxxxxxxxxxxxxxxx>
>> 
>> You've made exactly zero effort to explain why the IPV6 issue carefully
>> explained in commit 8c367fcbe6549195d2eb11e62bea233f811aad41 no longer
>> applies.
>> 
>> As far as I can tell, it absolutely does, and therefore this change
>> here should not be made.
>> 
>> I'm not applying this patch, sorry.
>> 
> 
> I have set dev_port, not dev_id. This is not a revert of commit
> 8c367fcbe6549195d2eb11e62bea233f811aad41.
> 
> $ git grep dev_port net/ipv6/
> $
> 
> I believe dev_port was introduced exactly to solve the problem dev_id
> was incorrectly being used for.

Aha, that makes much more sense.  Thanks for explaining.

Applied, thanks.
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