i40e/i40evf: Allow bad packets to reach application (SBP)

https://bugs.dpdk.org/show_bug.cgi?id=349

            Bug ID: 349
           Summary: i40e/i40evf: Allow bad packets to reach application
                    (SBP)
           Product: DPDK
           Version: 18.11
          Hardware: All
                OS: All
            Status: UNCONFIRMED
          Severity: normal
          Priority: Normal
         Component: ethdev
          Assignee: [email protected]
          Reporter: [email protected]

Target Milestone: ---

For i40 drivers there is no option to allow bad packets reaching the application (i.e. undersized, oversized, length error, etc) even though Intel X710 datasheet
(https://www.intel.com/content/dam/www/public/us/en/documents/datasheets/xl710-10-40-controller-datasheet.pdf)
states one should set the SBP flag in the PRT_SBPVSI register in order to permit bad packets.

Is there any way you can expose such a setting? For example, ixgbe driver allows this option by setting the IXGBE_FCTRL_SBP flag.

Thank you,
Alexandru Nicolae

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