From mboxrd@z Thu Jan 1 00:00:00 1970 From: David Miller Subject: Re: [PATCH v5] ixgbe: Add module parameter to disable VLAN filter Date: Thu, 21 May 2015 23:56:21 -0400 (EDT) Message-ID: <20150521.235621.1327147683644588927.davem@davemloft.net> References: <7F861DC0615E0C47A872E6F3C5FCDDBD05EB460C@BPXM14GP.gisp.nec.co.jp> <20150521.120713.1811144256149554543.davem@davemloft.net> <7F861DC0615E0C47A872E6F3C5FCDDBD05EB4CA5@BPXM14GP.gisp.nec.co.jp> Mime-Version: 1.0 Content-Type: Text/Plain; charset=us-ascii Content-Transfer-Encoding: 7bit Cc: jeffrey.t.kirsher@intel.com, intel-wired-lan@lists.osuosl.org, sy.jong.choi@intel.com, ben@decadent.org.uk, linux-kernel@vger.kernel.org, netdev@vger.kernel.org To: h-shimamoto@ct.jp.nec.com Return-path: In-Reply-To: <7F861DC0615E0C47A872E6F3C5FCDDBD05EB4CA5@BPXM14GP.gisp.nec.co.jp> Sender: linux-kernel-owner@vger.kernel.org List-Id: netdev.vger.kernel.org From: Hiroshi Shimamoto Date: Fri, 22 May 2015 00:54:31 +0000 >> Subject: Re: [PATCH v5] ixgbe: Add module parameter to disable VLAN filter >> >> From: Hiroshi Shimamoto >> 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.