Hi Fan Zhang, With DPDK plugin, VPP does the DMA page map in IOMMU, only when DPDK supported ethernet devices are present. As a result, Mellanox NIC and QAT combo doesn't work. This issue is fixed by adding DPDK supported crypto device check do the DMA page map. https://gerrit.fd.io/r/c/vpp/+/35634
Please provide your comments. Thanks Govind
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