[Intel-wired-lan] [PATCH v2] ixgbe: Fix MDD events generated when FCoE+SRIOV are enabled

[Schmitt, Phillip J]

> -----Original Message-----
> From: Intel-wired-lan [mailto:intel-wired-lan-bounces at lists.osuosl.org] On
> Behalf Of Neerav Parikh
> Sent: Tuesday, December 08, 2015 10:14 PM
> To: intel-wired-lan at lists.osuosl.org
> Subject: [Intel-wired-lan] [PATCH v2] ixgbe: Fix MDD events generated when
> FCoE+SRIOV are enabled
> 
> When FCoE is enabled with SR-IOV on the X550 NIC the hardware generates
> MDD events.
> 
> This patch fixes these by setting the expected values in the Tx context
> descriptors for FCoE/FIP frames and adding a flush after writing the RDLEN
> register.
> 
> Changes in v2:
> - Removed updating the skb network header for FIP frames
> 
> Signed-off-by: Neerav Parikh <neerav.parikh at intel.com>

Tested-by: Phil Schmitt <phillip.j.schmitt at intel.com>
The scope of my testing was limited to trying to find any issues that this patch might cause with standard (non-DCB) networking traffic.