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Date: Wed, 09 Sep 2020 08:46:21 +0000
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Subject: [dpdk-dev] [Bug 535] mlx5: vlan/qinq packets are not matched by
 eth/ipv4 RTE_FLOW
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https://bugs.dpdk.org/show_bug.cgi?id=3D535

            Bug ID: 535
           Summary: mlx5: vlan/qinq packets are not matched by eth/ipv4
                    RTE_FLOW
           Product: DPDK
           Version: 19.11
          Hardware: All
                OS: All
            Status: UNCONFIRMED
          Severity: normal
          Priority: Normal
         Component: ethdev
          Assignee: dev@dpdk.org
          Reporter: maxime.leroy@6wind.com
  Target Milestone: ---

With dpdk 19.11.0, the following rte_flow created in test pmd:
 > flow create 0 ingress  pattern  eth type spec 0 type mask 0 / ipv4 / end
actions  mark id 2 / queue index 0 / end

was able to match ipv4 whatever if the packets has 0 or N vlan headers.
With dpdk 19.11.4, it's not anymore possible.

Only packets without vlan header are matched. It means that packet having t=
he
type field in the ethernet header not equal to 0x800 are not matched. But in
the RTE_FLOW, the mask of the type field of the Ethernet item is set to 0.

By the way, I can also reproduce the issue with the master branch.

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