[Intel-wired-lan] [next-queue v3] i40e: Add a check to see if MFS is set

[Bowers, AndrewX]

> -----Original Message-----
> From: Intel-wired-lan <intel-wired-lan-bounces at osuosl.org> On Behalf Of
> Jeff Kirsher
> Sent: Thursday, May 28, 2020 10:27 PM
> To: intel-wired-lan at lists.osuosl.org
> Subject: [Intel-wired-lan] [next-queue v3] i40e: Add a check to see if MFS is
> set
> 
> From: Todd Fujinaka <todd.fujinaka at intel.com>
> 
> A customer was chain-booting to provision his systems and one of the steps
> was setting MFS. MFS isn't cleared by normal warm reboots (clearing
> requires a GLOBR) and there was no indication of why Jumbo Frame receives
> were failing.
> 
> Add a warning if MFS is set to anything lower than the default.
> 
> Signed-off-by: Todd Fujinaka <todd.fujinaka at intel.com>
> ---
> v3: removed the unnecessary 'for loop'
> 
>  drivers/net/ethernet/intel/i40e/i40e_main.c | 8 ++++++++
>  1 file changed, 8 insertions(+)


Tested-by: Andrew Bowers <andrewx.bowers at intel.com>