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

[Thadeu Lima de Souza Cascardo <cascardo@linux.vnet.ibm.com>]

On Sun, Jun 22, 2014 at 05:23:07PM -0700, David Miller wrote:
> From: Thadeu Lima de Souza Cascardo <cascardo@linux.vnet.ibm.com>
> 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@linux.vnet.ibm.com>
> 
> 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.

Cascardo.