[dpdk-dev] [Bug 814] Intel PMD both i40 and iavf send OP_DISABLE_VLAN_STRIPPING and it not mandatory

[bugzilla at dpdk.org]

https://bugs.dpdk.org/show_bug.cgi?id=814

            Bug ID: 814
           Summary: Intel PMD both i40 and iavf send
                    OP_DISABLE_VLAN_STRIPPING and it not mandatory
           Product: DPDK
           Version: 20.11
          Hardware: All
                OS: All
            Status: UNCONFIRMED
          Severity: normal
          Priority: Normal
         Component: core
          Assignee: dev at dpdk.org
          Reporter: spyroot at gmail.com
  Target Milestone: ---

Hi Folks,

There is an issue in i40 and ivfx PMD's both drivers send optional commands
that require trusted mode enabled and if OP_DISABLE_VLAN_STRIPPING discard by
PF, PMD return error and not gracefully handles.


Example iavf_disable_vlan_strip() same function present in i40 that disable
vlan strip.  That is optional and not required and must be gracefully be
handled.


EAL: Detected 4 lcore(s)
EAL: Detected 1 NUMA nodes
EAL: Detected static linkage of DPDK
EAL: Multi-process socket /var/run/dpdk/rte/mp_socket
EAL: Selected IOVA mode 'PA'
EAL: No available hugepages reported in hugepages-1048576kB
EAL: Probing VFIO support...
EAL: Probe PCI driver: net_iavf (8086:1889) device: 0000:13:00.0 (socket 0)
EAL: Error reading from file descriptor 26: Input/output error
EAL: No legacy callbacks, legacy socket not created
testpmd: create a new mbuf pool <mb_pool_0>: n=171456, size=2176, socket=0
testpmd: preferred mempool ops selected: ring_mp_mc

Warning! port-topology=paired and odd forward ports number, the last port will
pair with itself.

Configuring Port 0 (socket 0)
iavf_execute_vf_cmd(): No response for cmd 28
iavf_disable_vlan_strip(): Failed to execute command of
OP_DISABLE_VLAN_STRIPPING
iavf_init_rss(): RSS is enabled by PF by default
iavf_execute_vf_cmd(): No response for cmd 24
iavf_configure_rss_lut(): Failed to execute command of OP_CONFIG_RSS_LUT
iavf_dev_configure(): configure rss failed
Port0 dev_configure = -1
Fail to configure port 0
EAL: Error - exiting with code: 1
  Cause: Start ports failed

Thank you,
Mus>

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