From: "Nikunj Kela (nkela)" <nkela@cisco.com>
To: Florian Fainelli <f.fainelli@gmail.com>,
"jeffrey.t.kirsher@intel.com" <jeffrey.t.kirsher@intel.com>
Cc: "xe-linux-external(mailer list)" <xe-linux-external@cisco.com>,
"David S. Miller" <davem@davemloft.net>,
"intel-wired-lan@lists.osuosl.org"
<intel-wired-lan@lists.osuosl.org>,
"netdev@vger.kernel.org" <netdev@vger.kernel.org>,
"linux-kernel@vger.kernel.org" <linux-kernel@vger.kernel.org>
Subject: Re: [PATCH] igb: add parameter to ignore nvm checksum validation
Date: Thu, 16 May 2019 22:33:15 +0000 [thread overview]
Message-ID: <F028ADDC-EA02-46C3-AC7A-A1A6606BC3F5@cisco.com> (raw)
In-Reply-To: <4469196a-0705-5459-8aca-3f08e9889d61@gmail.com>
On 5/16/19, 3:02 PM, "Florian Fainelli" <f.fainelli@gmail.com> wrote:
On 5/16/19 12:55 PM, Nikunj Kela (nkela) wrote:
>>
>>
>> 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.
>Then why even bother with sending this upstream?
>--
>Florian
My colleagues wanted me to upstream so if there is anyone else in the same situations, maybe there is a better solution.
next prev parent reply other threads:[~2019-05-16 22:33 UTC|newest]
Thread overview: 12+ messages / expand[flat|nested] mbox.gz Atom feed top
2019-05-08 23:14 [PATCH] igb: add parameter to ignore nvm checksum validation Nikunj Kela
2019-05-16 19:35 ` Jeff Kirsher
2019-05-16 19:55 ` Nikunj Kela (nkela)
2019-05-16 22:02 ` Florian Fainelli
2019-05-16 22:33 ` Nikunj Kela (nkela) [this message]
2019-05-17 1:03 ` Daniel Walker
2019-05-17 1:48 ` Florian Fainelli
2019-05-17 15:16 ` [Intel-wired-lan] " Alexander Duyck
2019-05-17 16:36 ` Daniel Walker
2019-05-17 16:47 ` Florian Fainelli
2019-05-17 16:58 ` Alexander Duyck
2019-05-17 18:09 ` Daniel Walker
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