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SubjectRe: [PATCH] igb: add parameter to ignore nvm checksum validation
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On 5/16/19, 12:35 PM, "Jeff Kirsher" <jeffrey.t.kirsher@intel.com> wrote:

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@cisco.com
>> Signed-off-by: Nikunj Kela <nkela@cisco.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.

I am proposing this as a debug parameter. Obviously, we need to fix EEPROM but this helps us continuing the development while manufacturing fixes NIC.


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