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Date:   Thu, 16 May 2019 12:35:27 -0700
From:   Jeff Kirsher <jeffrey.t.kirsher@...el.com>
To:     Nikunj Kela <nkela@...co.com>
Cc:     xe-linux-external@...co.com,
        "David S. Miller" <davem@...emloft.net>,
        intel-wired-lan@...ts.osuosl.org, netdev@...r.kernel.org,
        linux-kernel@...r.kernel.org
Subject: Re: [PATCH] igb: add parameter to ignore nvm checksum validation

On Wed, 2019-05-08 at 23:14 +0000, Nikunj Kela wrote:
> Some of the broken NICs don't have EEPROM programmed correctly. It
> results
> in probe to fail. This change adds a module parameter that can be
> used to
> ignore nvm checksum validation.
> 
> Cc: xe-linux-external@...co.com
> Signed-off-by: Nikunj Kela <nkela@...co.com>
> ---
>  drivers/net/ethernet/intel/igb/igb_main.c | 28
> ++++++++++++++++++++++------
>  1 file changed, 22 insertions(+), 6 deletions(-)

NAK for two reasons.  First, module parameters are not desirable
because their individual to one driver and a global solution should be
found so that all networking device drivers can use the solution.  This
will keep the interface to change/setup/modify networking drivers
consistent for all drivers.

Second and more importantly, if your NIC is broken, fix it.  Do not try
and create a software workaround so that you can continue to use a
broken NIC.  There are methods/tools available to properly reprogram
the EEPROM on a NIC, which is the right solution for your issue.

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