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SubjectRe: [PATCH v5] ixgbe: Add module parameter to disable VLAN filter
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From: Hiroshi Shimamoto <h-shimamoto@ct.jp.nec.com>
Date: Fri, 22 May 2015 00:54:31 +0000

>> Subject: Re: [PATCH v5] ixgbe: Add module parameter to disable VLAN filter
>>
>> From: Hiroshi Shimamoto <h-shimamoto@ct.jp.nec.com>
>> Date: Thu, 21 May 2015 13:10:49 +0000
>>
>> > diff --git a/drivers/net/ethernet/intel/ixgbe/ixgbe_main.c b/drivers/net/ethernet/intel/ixgbe/ixgbe_main.c
>> > index 263cb40..b45570f 100644
>> > --- a/drivers/net/ethernet/intel/ixgbe/ixgbe_main.c
>> > +++ b/drivers/net/ethernet/intel/ixgbe/ixgbe_main.c
>> > @@ -158,6 +158,10 @@ module_param(allow_unsupported_sfp, uint, 0);
>> > MODULE_PARM_DESC(allow_unsupported_sfp,
>> > "Allow unsupported and untested SFP+ modules on 82599-based adapters");
>> >
>> > +static unsigned int disable_hw_vlan_filter;
>> > +module_param(disable_hw_vlan_filter, uint, 0);
>> > +MODULE_PARM_DESC(disable_hw_vlan_filter, "Disable HW VLAN filter");
>>
>> Sorry, module parameters like this are not allowed.
>>
>> You must use a generic, portable interface, to configure networking
>> device settings.
>
> Could you please tell me which interface is good for this?

You will have to adjust the ixgbe driver such that, at run time, the
chip can be reset/restarted/whatever so that the VLAN filter can
be disabled.

Then you can add an ethtool knob for this, which then any other driver
with the same issue can use.


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