From: Florian Fainelli <f.fainelli@gmail.com>
To: "Nikunj Kela (nkela)" <nkela@cisco.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 15:02:18 -0700 [thread overview]
Message-ID: <4469196a-0705-5459-8aca-3f08e9889d61@gmail.com> (raw)
In-Reply-To: <76B41175-0CEE-466C-91BF-89A1CA857061@cisco.com>
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
next prev parent reply other threads:[~2019-05-16 22:02 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 [this message]
2019-05-16 22:33 ` Nikunj Kela (nkela)
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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